/* roulang page: index */
:root {
            --primary: #0F3A2F;
            --primary-deep: #0A2A22;
            --primary-light: #1B5A47;
            --accent: #E8682A;
            --accent-hover: #C8531F;
            --highlight: #C8E455;
            --bg: #F6F2E9;
            --bg-dark: #1B1E1A;
            --text: #20231E;
            --text-sub: #5C665D;
            --border: #D9DED4;
            --radius-sm: 8px;
            --radius-md: 12px;
            --radius-lg: 16px;
            --shadow-sm: 0 2px 8px rgba(15, 58, 47, 0.08);
            --shadow-md: 0 8px 24px rgba(15, 58, 47, 0.12);
            --shadow-lg: 0 16px 40px rgba(15, 58, 47, 0.18);
            --font-hero: 'Noto Sans SC', 'Source Han Sans CN', 'Microsoft YaHei', sans-serif;
            --font-body: 'Noto Sans SC', 'Microsoft YaHei', 'PingFang SC', sans-serif;
            --font-mono: 'DIN', 'Roboto Mono', 'Courier New', monospace;
            --container-max: 1200px;
            --section-gap: 96px;
            --section-gap-mobile: 64px;
            --nav-height: 68px;
        }

        *,
        *::before,
        *::after {
            box-sizing: border-box;
            margin: 0;
            padding: 0;
        }

        html {
            scroll-behavior: smooth;
            -webkit-text-size-adjust: 100%;
        }

        body {
            font-family: var(--font-body);
            font-size: 16px;
            line-height: 1.75;
            color: var(--text);
            background-color: var(--bg);
            min-height: 100vh;
            overflow-x: hidden;
            -webkit-font-smoothing: antialiased;
            -moz-osx-font-smoothing: grayscale;
        }

        img {
            max-width: 100%;
            height: auto;
            display: block;
        }

        a {
            color: var(--primary);
            text-decoration: none;
            transition: color 0.25s ease, background-color 0.25s ease, border-color 0.25s ease, transform 0.25s ease, box-shadow 0.25s ease, opacity 0.25s ease;
        }

        a:hover {
            color: var(--accent);
        }

        button,
        input,
        select,
        textarea {
            font-family: inherit;
            font-size: inherit;
            line-height: inherit;
        }

        button {
            cursor: pointer;
            border: none;
            background: none;
        }

        .container-custom {
            max-width: var(--container-max);
            margin: 0 auto;
            padding-left: 24px;
            padding-right: 24px;
        }

        .section-gap {
            padding: var(--section-gap) 0;
        }

        .section-gap-sm {
            padding: 56px 0;
        }

        .section-title {
            font-family: var(--font-hero);
            font-weight: 700;
            font-size: 30px;
            line-height: 1.3;
            color: var(--text);
            margin-bottom: 8px;
            letter-spacing: 0.02em;
        }

        .section-desc {
            font-size: 16px;
            color: var(--text-sub);
            line-height: 1.8;
            max-width: 720px;
            margin-bottom: 40px;
        }

        .section-tag {
            display: inline-block;
            background-color: var(--highlight);
            color: var(--primary);
            font-size: 12px;
            font-weight: 600;
            padding: 4px 12px;
            border-radius: 100px;
            letter-spacing: 0.06em;
            margin-bottom: 12px;
        }

        .btn-primary {
            display: inline-flex;
            align-items: center;
            gap: 8px;
            background-color: var(--accent);
            color: #ffffff;
            font-weight: 600;
            font-size: 15px;
            padding: 14px 32px;
            border-radius: var(--radius-sm);
            transition: all 0.3s ease;
            border: 2px solid var(--accent);
            letter-spacing: 0.03em;
        }

        .btn-primary:hover {
            background-color: var(--accent-hover);
            border-color: var(--accent-hover);
            transform: translateY(-2px);
            box-shadow: 0 8px 20px rgba(232, 104, 42, 0.3);
            color: #ffffff;
        }

        .btn-primary:active {
            transform: translateY(0);
            box-shadow: 0 2px 8px rgba(232, 104, 42, 0.2);
        }

        .btn-primary:focus-visible {
            outline: 3px solid rgba(232, 104, 42, 0.35);
            outline-offset: 2px;
        }

        .btn-secondary {
            display: inline-flex;
            align-items: center;
            gap: 8px;
            background-color: transparent;
            color: var(--primary);
            font-weight: 600;
            font-size: 15px;
            padding: 13px 30px;
            border-radius: var(--radius-sm);
            border: 2px solid var(--primary);
            transition: all 0.3s ease;
            letter-spacing: 0.03em;
        }

        .btn-secondary:hover {
            background-color: rgba(15, 58, 47, 0.06);
            color: var(--primary);
            transform: translateY(-2px);
        }

        .btn-secondary:focus-visible {
            outline: 3px solid rgba(15, 58, 47, 0.25);
            outline-offset: 2px;
        }

        .btn-ghost {
            display: inline-flex;
            align-items: center;
            gap: 8px;
            background-color: transparent;
            color: #ffffff;
            font-weight: 600;
            font-size: 15px;
            padding: 13px 30px;
            border-radius: var(--radius-sm);
            border: 2px solid rgba(255, 255, 255, 0.7);
            transition: all 0.3s ease;
            letter-spacing: 0.03em;
        }

        .btn-ghost:hover {
            background-color: #ffffff;
            color: var(--primary);
            border-color: #ffffff;
            transform: translateY(-2px);
        }

        .btn-ghost:focus-visible {
            outline: 3px solid rgba(255, 255, 255, 0.4);
            outline-offset: 2px;
        }

        .btn-sm {
            font-size: 13px;
            padding: 10px 22px;
        }

        .badge-highlight {
            display: inline-flex;
            align-items: center;
            gap: 6px;
            background-color: var(--highlight);
            color: var(--primary);
            font-size: 12px;
            font-weight: 700;
            padding: 5px 14px;
            border-radius: 100px;
            letter-spacing: 0.05em;
        }

        .badge-outline {
            display: inline-flex;
            align-items: center;
            gap: 6px;
            background-color: transparent;
            color: var(--highlight);
            font-size: 12px;
            font-weight: 600;
            padding: 4px 12px;
            border-radius: 100px;
            border: 1px solid var(--highlight);
            letter-spacing: 0.04em;
        }

        /* ===== HEADER NAV ===== */
        .site-header {
            position: sticky;
            top: 0;
            z-index: 1000;
            background-color: var(--primary);
            box-shadow: 0 2px 16px rgba(0, 0, 0, 0.18);
            min-height: var(--nav-height);
        }

        .site-header .container-custom {
            display: flex;
            align-items: center;
            justify-content: space-between;
            min-height: var(--nav-height);
            gap: 16px;
        }

        .nav-logo {
            display: flex;
            align-items: center;
            gap: 10px;
            flex-shrink: 0;
        }

        .nav-logo-icon {
            width: 36px;
            height: 36px;
            background-color: var(--accent);
            border-radius: 8px;
            display: flex;
            align-items: center;
            justify-content: center;
            font-weight: 900;
            font-size: 18px;
            color: #ffffff;
            letter-spacing: -0.03em;
            flex-shrink: 0;
        }

        .nav-logo-text {
            font-family: var(--font-hero);
            font-weight: 700;
            font-size: 22px;
            color: #ffffff;
            letter-spacing: 0.04em;
            line-height: 1;
        }

        .nav-logo-text span {
            color: var(--highlight);
        }

        .nav-links {
            display: flex;
            align-items: center;
            gap: 4px;
            list-style: none;
            margin: 0;
            flex-wrap: wrap;
        }

        .nav-links li a {
            display: flex;
            align-items: center;
            gap: 4px;
            font-size: 14px;
            font-weight: 500;
            color: rgba(255, 255, 255, 0.85);
            padding: 8px 14px;
            border-radius: 6px;
            letter-spacing: 0.02em;
            transition: all 0.25s ease;
            white-space: nowrap;
        }

        .nav-links li a:hover {
            color: var(--highlight);
            background-color: rgba(255, 255, 255, 0.06);
        }

        .nav-links li a.active {
            color: var(--highlight);
            background-color: rgba(200, 228, 85, 0.12);
            font-weight: 600;
        }

        .nav-links li a .nav-badge {
            font-size: 9px;
            background-color: var(--accent);
            color: #ffffff;
            padding: 2px 6px;
            border-radius: 100px;
            font-weight: 700;
            letter-spacing: 0.05em;
            margin-left: 2px;
        }

        .nav-right {
            display: flex;
            align-items: center;
            gap: 12px;
            flex-shrink: 0;
        }

        .nav-countdown {
            display: flex;
            align-items: center;
            gap: 6px;
            font-family: var(--font-mono);
            font-size: 13px;
            font-weight: 700;
            color: var(--highlight);
            background-color: rgba(200, 228, 85, 0.12);
            padding: 6px 14px;
            border-radius: 100px;
            letter-spacing: 0.04em;
        }

        .nav-status {
            display: flex;
            align-items: center;
            gap: 6px;
            font-size: 12px;
            font-weight: 600;
            color: #ffffff;
            background-color: rgba(232, 104, 42, 0.7);
            padding: 6px 14px;
            border-radius: 100px;
            letter-spacing: 0.04em;
        }

        .nav-status i {
            font-size: 8px;
            animation: pulse-dot 1.8s ease-in-out infinite;
        }

        @keyframes pulse-dot {
            0%,
            100% {
                opacity: 1;
                transform: scale(1);
            }
            50% {
                opacity: 0.4;
                transform: scale(0.7);
            }
        }

        .hamburger-btn {
            display: none;
            flex-direction: column;
            gap: 5px;
            padding: 8px;
            border-radius: 6px;
            border: 1px solid rgba(255, 255, 255, 0.3);
            background: transparent;
        }

        .hamburger-btn span {
            display: block;
            width: 24px;
            height: 2px;
            background-color: #ffffff;
            border-radius: 2px;
            transition: all 0.3s ease;
        }

        .mobile-drawer {
            display: none;
            position: fixed;
            top: var(--nav-height);
            left: 0;
            right: 0;
            bottom: 0;
            background-color: var(--primary);
            z-index: 999;
            padding: 24px;
            overflow-y: auto;
            transform: translateY(-100%);
            transition: transform 0.35s ease;
        }

        .mobile-drawer.open {
            transform: translateY(0);
        }

        .mobile-drawer ul {
            list-style: none;
            margin: 0;
            padding: 0;
        }

        .mobile-drawer ul li a {
            display: flex;
            align-items: center;
            justify-content: space-between;
            font-size: 18px;
            font-weight: 600;
            color: #ffffff;
            padding: 16px 8px;
            border-bottom: 1px solid rgba(255, 255, 255, 0.1);
            transition: all 0.25s ease;
        }

        .mobile-drawer ul li a:hover {
            color: var(--highlight);
            padding-left: 16px;
        }

        .mobile-drawer .btn-primary {
            width: 100%;
            justify-content: center;
            margin-top: 24px;
            font-size: 16px;
        }

        /* ===== HERO ===== */
        .hero-section {
            position: relative;
            min-height: 78vh;
            display: flex;
            align-items: center;
            background-image: url('/assets/images/backpic/back-1.webp');
            background-size: cover;
            background-position: center;
            background-repeat: no-repeat;
            overflow: hidden;
        }

        .hero-section::before {
            content: '';
            position: absolute;
            inset: 0;
            background: linear-gradient(135deg, rgba(15, 58, 47, 0.92) 0%, rgba(15, 58, 47, 0.78) 40%, rgba(27, 30, 26, 0.65) 100%);
            z-index: 1;
        }

        .hero-content {
            position: relative;
            z-index: 2;
            padding: 80px 0;
            color: #ffffff;
            max-width: 640px;
        }

        .hero-badge-row {
            display: flex;
            align-items: center;
            gap: 10px;
            flex-wrap: wrap;
            margin-bottom: 20px;
        }

        .hero-offer-tag {
            display: inline-flex;
            align-items: center;
            gap: 8px;
            background-color: var(--accent);
            color: #ffffff;
            font-size: 13px;
            font-weight: 700;
            padding: 8px 18px;
            border-radius: 100px;
            letter-spacing: 0.05em;
            box-shadow: 0 4px 16px rgba(232, 104, 42, 0.4);
        }

        .hero-offer-tag i {
            font-size: 14px;
        }

        .hero-title {
            font-family: var(--font-hero);
            font-weight: 900;
            font-size: 48px;
            line-height: 1.2;
            letter-spacing: 0.01em;
            margin-bottom: 16px;
            color: #ffffff;
        }

        .hero-title .highlight-text {
            color: var(--highlight);
            position: relative;
        }

        .hero-subtitle {
            font-size: 18px;
            line-height: 1.85;
            color: rgba(255, 255, 255, 0.88);
            margin-bottom: 28px;
            max-width: 560px;
        }

        .hero-cta-row {
            display: flex;
            align-items: center;
            gap: 16px;
            flex-wrap: wrap;
            margin-bottom: 32px;
        }

        .hero-stats-row {
            display: flex;
            align-items: center;
            gap: 28px;
            flex-wrap: wrap;
            padding-top: 20px;
            border-top: 1px solid rgba(255, 255, 255, 0.15);
        }

        .hero-stat-item {
            display: flex;
            flex-direction: column;
            gap: 2px;
        }

        .hero-stat-num {
            font-family: var(--font-mono);
            font-size: 26px;
            font-weight: 700;
            color: var(--highlight);
            letter-spacing: 0.02em;
        }

        .hero-stat-label {
            font-size: 12px;
            color: rgba(255, 255, 255, 0.7);
            letter-spacing: 0.04em;
        }

        /* ===== SERIES NAV ===== */
        .series-nav-section {
            background-color: #ffffff;
            padding: 0;
            border-bottom: 1px solid var(--border);
        }

        .series-nav-bar {
            display: flex;
            align-items: center;
            gap: 8px;
            overflow-x: auto;
            padding: 14px 0;
            -webkit-overflow-scrolling: touch;
            scrollbar-width: thin;
            scrollbar-color: var(--border) transparent;
        }

        .series-nav-bar::-webkit-scrollbar {
            height: 4px;
        }

        .series-nav-bar::-webkit-scrollbar-thumb {
            background-color: var(--border);
            border-radius: 100px;
        }

        .series-nav-item {
            display: inline-flex;
            align-items: center;
            gap: 8px;
            font-size: 14px;
            font-weight: 500;
            color: var(--text-sub);
            padding: 8px 18px;
            border-radius: 100px;
            background-color: var(--bg);
            white-space: nowrap;
            border: 1px solid transparent;
            transition: all 0.25s ease;
        }

        .series-nav-item:hover {
            color: var(--primary);
            background-color: #ffffff;
            border-color: var(--primary);
        }

        .series-nav-item.active {
            color: #ffffff;
            background-color: var(--primary);
            font-weight: 600;
        }

        /* ===== HOT DISPLAY ===== */
        .hot-display-section {
            background-color: var(--bg);
        }

        .hot-display-grid {
            display: grid;
            grid-template-columns: 1.3fr 1fr 1fr;
            gap: 28px;
            align-items: stretch;
        }

        .hot-card {
            background-color: #ffffff;
            border-radius: var(--radius-lg);
            overflow: hidden;
            box-shadow: var(--shadow-sm);
            transition: all 0.35s ease;
            display: flex;
            flex-direction: column;
            position: relative;
        }

        .hot-card:hover {
            box-shadow: var(--shadow-lg);
            transform: translateY(-4px);
        }

        .hot-card-featured {
            grid-row: span 2;
        }

        .hot-card-image {
            position: relative;
            overflow: hidden;
            aspect-ratio: 16 / 10;
        }

        .hot-card-featured .hot-card-image {
            aspect-ratio: 16 / 11;
        }

        .hot-card-image img {
            width: 100%;
            height: 100%;
            object-fit: cover;
            transition: transform 0.5s ease;
        }

        .hot-card:hover .hot-card-image img {
            transform: scale(1.05);
        }

        .hot-card-image-overlay {
            position: absolute;
            inset: 0;
            background: linear-gradient(to top, rgba(15, 58, 47, 0.7) 0%, rgba(15, 58, 47, 0.1) 60%, transparent 100%);
            display: flex;
            align-items: flex-end;
            justify-content: space-between;
            padding: 16px;
            gap: 8px;
        }

        .hot-card-tag {
            display: inline-flex;
            align-items: center;
            gap: 5px;
            font-size: 11px;
            font-weight: 700;
            color: #ffffff;
            background-color: rgba(232, 104, 42, 0.9);
            padding: 4px 10px;
            border-radius: 100px;
            letter-spacing: 0.04em;
        }

        .hot-card-hot {
            display: inline-flex;
            align-items: center;
            gap: 5px;
            font-size: 11px;
            font-weight: 700;
            color: var(--primary);
            background-color: var(--highlight);
            padding: 4px 12px;
            border-radius: 100px;
            letter-spacing: 0.04em;
        }

        .hot-card-body {
            padding: 20px 22px;
            flex: 1;
            display: flex;
            flex-direction: column;
            gap: 8px;
        }

        .hot-card-title {
            font-family: var(--font-hero);
            font-weight: 700;
            font-size: 17px;
            line-height: 1.45;
            color: var(--text);
            margin: 0;
        }

        .hot-card-desc {
            font-size: 13px;
            line-height: 1.7;
            color: var(--text-sub);
            flex: 1;
            margin: 0;
        }

        .hot-card-link {
            display: inline-flex;
            align-items: center;
            gap: 6px;
            font-size: 13px;
            font-weight: 600;
            color: var(--accent);
            transition: all 0.25s ease;
        }

        .hot-card-link:hover {
            color: var(--accent-hover);
            gap: 10px;
        }

        /* ===== INFO NEWS ===== */
        .info-news-section {
            background-color: #ffffff;
        }

        .info-news-layout {
            display: grid;
            grid-template-columns: 1.6fr 1fr;
            gap: 40px;
        }

        .news-list {
            list-style: none;
            margin: 0;
            padding: 0;
            display: flex;
            flex-direction: column;
        }

        .news-list-item {
            display: flex;
            align-items: flex-start;
            gap: 18px;
            padding: 18px 0;
            border-bottom: 1px solid var(--border);
            transition: all 0.25s ease;
        }

        .news-list-item:first-child {
            padding-top: 0;
        }

        .news-list-item:last-child {
            border-bottom: none;
            padding-bottom: 0;
        }

        .news-list-item:hover {
            padding-left: 6px;
        }

        .news-date-badge {
            display: flex;
            flex-direction: column;
            align-items: center;
            justify-content: center;
            min-width: 56px;
            height: 56px;
            background-color: var(--primary);
            color: #ffffff;
            border-radius: var(--radius-sm);
            flex-shrink: 0;
            padding: 4px;
        }

        .news-date-badge .day {
            font-family: var(--font-mono);
            font-size: 20px;
            font-weight: 700;
            line-height: 1;
        }

        .news-date-badge .month {
            font-size: 11px;
            letter-spacing: 0.08em;
            opacity: 0.85;
        }

        .news-item-content h4 {
            font-size: 15px;
            font-weight: 600;
            line-height: 1.5;
            color: var(--text);
            margin: 0 0 6px;
        }

        .news-item-content h4 a {
            color: var(--text);
        }

        .news-item-content h4 a:hover {
            color: var(--accent);
        }

        .news-item-content p {
            font-size: 13px;
            line-height: 1.7;
            color: var(--text-sub);
            margin: 0;
            display: -webkit-box;
            -webkit-line-clamp: 2;
            -webkit-box-orient: vertical;
            overflow: hidden;
        }

        .news-sidebar {
            background-color: var(--bg);
            border-radius: var(--radius-md);
            padding: 28px;
        }

        .news-sidebar-title {
            font-size: 16px;
            font-weight: 700;
            color: var(--text);
            margin-bottom: 16px;
            padding-bottom: 12px;
            border-bottom: 2px solid var(--accent);
            display: inline-block;
        }

        .news-sidebar-list {
            list-style: none;
            margin: 0;
            padding: 0;
        }

        .news-sidebar-list li {
            padding: 12px 0;
            border-bottom: 1px solid var(--border);
        }

        .news-sidebar-list li:last-child {
            border-bottom: none;
            padding-bottom: 0;
        }

        .news-sidebar-list li a {
            display: flex;
            align-items: flex-start;
            gap: 8px;
            font-size: 14px;
            font-weight: 500;
            color: var(--text);
            line-height: 1.5;
            transition: all 0.25s ease;
        }

        .news-sidebar-list li a:hover {
            color: var(--accent);
        }

        .news-sidebar-list li a i {
            color: var(--accent);
            font-size: 12px;
            margin-top: 4px;
        }

        /* ===== BRAND INTRO ===== */
        .brand-intro-section {
            background-color: var(--bg-dark);
            color: #ffffff;
            position: relative;
            overflow: hidden;
        }

        .brand-intro-section::before {
            content: '';
            position: absolute;
            top: -50%;
            right: -20%;
            width: 500px;
            height: 500px;
            border-radius: 50%;
            background: radial-gradient(circle, rgba(232, 104, 42, 0.15) 0%, transparent 70%);
            pointer-events: none;
        }

        .brand-intro-content {
            max-width: 760px;
            position: relative;
            z-index: 1;
        }

        .brand-intro-content .section-title {
            color: #ffffff;
            margin-bottom: 20px;
        }

        .brand-intro-content p {
            font-size: 16px;
            line-height: 1.9;
            color: rgba(255, 255, 255, 0.8);
            margin-bottom: 16px;
        }

        .brand-intro-content .highlight-text {
            color: var(--highlight);
            font-weight: 600;
        }

        /* ===== MEMBER ENTRY ===== */
        .member-entry-section {
            background-color: var(--bg);
        }

        .member-entry-grid {
            display: grid;
            grid-template-columns: repeat(3, 1fr);
            gap: 28px;
        }

        .member-card {
            background-color: #ffffff;
            border-radius: var(--radius-md);
            padding: 28px;
            box-shadow: var(--shadow-sm);
            border: 1px solid var(--border);
            transition: all 0.35s ease;
            display: flex;
            flex-direction: column;
            gap: 12px;
            position: relative;
            overflow: hidden;
        }

        .member-card:hover {
            box-shadow: var(--shadow-md);
            transform: translateY(-4px);
            border-color: var(--accent);
        }

        .member-card-icon {
            width: 48px;
            height: 48px;
            border-radius: var(--radius-sm);
            background-color: rgba(15, 58, 47, 0.08);
            display: flex;
            align-items: center;
            justify-content: center;
            font-size: 22px;
            color: var(--primary);
            flex-shrink: 0;
        }

        .member-card h3 {
            font-size: 17px;
            font-weight: 700;
            color: var(--text);
            margin: 0;
            line-height: 1.4;
        }

        .member-card p {
            font-size: 13px;
            line-height: 1.7;
            color: var(--text-sub);
            margin: 0;
            flex: 1;
        }

        .member-card .btn-secondary {
            align-self: flex-start;
            font-size: 13px;
            padding: 9px 20px;
        }

        /* ===== FAQ ===== */
        .faq-section {
            background-color: #ffffff;
        }

        .faq-list {
            max-width: 800px;
            margin: 0 auto;
        }

        .faq-item {
            border: 1px solid var(--border);
            border-radius: var(--radius-md);
            margin-bottom: 12px;
            background-color: #ffffff;
            transition: all 0.3s ease;
            overflow: hidden;
        }

        .faq-item:hover {
            border-color: rgba(15, 58, 47, 0.3);
        }

        .faq-question {
            display: flex;
            align-items: center;
            justify-content: space-between;
            gap: 16px;
            padding: 18px 22px;
            cursor: pointer;
            font-size: 16px;
            font-weight: 600;
            color: var(--text);
            letter-spacing: 0.01em;
            transition: all 0.25s ease;
            user-select: none;
        }

        .faq-question:hover {
            color: var(--primary);
        }

        .faq-question .faq-icon {
            flex-shrink: 0;
            width: 28px;
            height: 28px;
            border-radius: 50%;
            background-color: var(--bg);
            display: flex;
            align-items: center;
            justify-content: center;
            font-size: 14px;
            color: var(--primary);
            transition: all 0.35s ease;
        }

        .faq-item.active .faq-question .faq-icon {
            transform: rotate(45deg);
            background-color: var(--accent);
            color: #ffffff;
        }

        .faq-item.active .faq-question {
            color: var(--primary);
        }

        .faq-answer {
            max-height: 0;
            overflow: hidden;
            transition: max-height 0.4s ease, padding 0.4s ease;
            padding: 0 22px;
        }

        .faq-item.active .faq-answer {
            max-height: 300px;
            padding: 0 22px 20px;
        }

        .faq-answer p {
            font-size: 14px;
            line-height: 1.8;
            color: var(--text-sub);
            margin: 0;
        }

        /* ===== REVIEWS ===== */
        .reviews-section {
            background-color: var(--bg);
        }

        .reviews-grid {
            display: grid;
            grid-template-columns: repeat(3, 1fr);
            gap: 24px;
        }

        .review-card {
            background-color: #ffffff;
            border-radius: var(--radius-md);
            padding: 24px;
            box-shadow: var(--shadow-sm);
            border: 1px solid var(--border);
            transition: all 0.3s ease;
            display: flex;
            flex-direction: column;
            gap: 12px;
        }

        .review-card:hover {
            box-shadow: var(--shadow-md);
            transform: translateY(-3px);
        }

        .review-stars {
            display: flex;
            gap: 4px;
            color: #f5a623;
            font-size: 13px;
        }

        .review-text {
            font-size: 14px;
            line-height: 1.75;
            color: var(--text);
            flex: 1;
            margin: 0;
        }

        .review-author {
            display: flex;
            align-items: center;
            gap: 10px;
            padding-top: 12px;
            border-top: 1px solid var(--border);
        }

        .review-avatar {
            width: 36px;
            height: 36px;
            border-radius: 50%;
            background-color: var(--primary);
            color: #ffffff;
            display: flex;
            align-items: center;
            justify-content: center;
            font-size: 14px;
            font-weight: 600;
            flex-shrink: 0;
        }

        .review-author-name {
            font-size: 13px;
            font-weight: 600;
            color: var(--text);
        }

        .review-author-title {
            font-size: 11px;
            color: var(--text-sub);
            letter-spacing: 0.03em;
        }

        /* ===== PARTNERS ===== */
        .partners-section {
            background-color: #ffffff;
        }

        .partners-grid {
            display: grid;
            grid-template-columns: repeat(6, 1fr);
            gap: 16px;
        }

        .partner-tag {
            display: flex;
            flex-direction: column;
            align-items: center;
            gap: 8px;
            background-color: var(--bg);
            border-radius: var(--radius-sm);
            padding: 20px 12px;
            text-align: center;
            border: 1px solid transparent;
            transition: all 0.3s ease;
        }

        .partner-tag:hover {
            border-color: var(--accent);
            background-color: #ffffff;
            box-shadow: var(--shadow-sm);
        }

        .partner-tag-icon {
            width: 40px;
            height: 40px;
            border-radius: 50%;
            background-color: rgba(15, 58, 47, 0.1);
            display: flex;
            align-items: center;
            justify-content: center;
            font-size: 18px;
            color: var(--primary);
        }

        .partner-tag-name {
            font-size: 13px;
            font-weight: 600;
            color: var(--text);
        }

        .partner-tag-desc {
            font-size: 11px;
            color: var(--text-sub);
            line-height: 1.4;
        }

        /* ===== CTA FLOATING ===== */
        .floating-cta-mobile {
            display: none;
            position: fixed;
            bottom: 0;
            left: 0;
            right: 0;
            z-index: 998;
            background-color: var(--primary);
            padding: 10px 16px;
            box-shadow: 0 -4px 16px rgba(0, 0, 0, 0.2);
            align-items: center;
            justify-content: space-between;
            gap: 12px;
        }

        .floating-cta-mobile .fc-text {
            font-size: 13px;
            color: rgba(255, 255, 255, 0.9);
            font-weight: 500;
        }

        .floating-cta-mobile .fc-text strong {
            color: var(--highlight);
            font-weight: 700;
        }

        .floating-cta-desktop {
            position: fixed;
            bottom: 24px;
            right: 24px;
            z-index: 997;
            display: flex;
            align-items: center;
            gap: 12px;
            background-color: var(--primary);
            color: #ffffff;
            padding: 12px 20px;
            border-radius: 100px;
            box-shadow: var(--shadow-lg);
            transition: all 0.3s ease;
            font-size: 14px;
            font-weight: 500;
        }

        .floating-cta-desktop:hover {
            transform: translateY(-4px);
            box-shadow: 0 20px 40px rgba(15, 58, 47, 0.3);
            color: #ffffff;
        }

        .floating-cta-desktop .btn-primary {
            padding: 8px 20px;
            font-size: 13px;
            border-radius: 100px;
        }

        /* ===== FOOTER ===== */
        .site-footer {
            background-color: var(--bg-dark);
            color: rgba(255, 255, 255, 0.75);
            padding-top: 60px;
        }

        .footer-grid {
            display: grid;
            grid-template-columns: 1.4fr 1fr 1fr 1fr;
            gap: 40px;
            padding-bottom: 40px;
        }

        .footer-brand .nav-logo-text {
            color: #ffffff;
            font-size: 20px;
            margin-bottom: 12px;
            display: inline-block;
        }

        .footer-brand p {
            font-size: 13px;
            line-height: 1.8;
            color: rgba(255, 255, 255, 0.6);
            margin: 0;
        }

        .footer-title {
            font-size: 14px;
            font-weight: 700;
            color: #ffffff;
            margin-bottom: 16px;
            letter-spacing: 0.04em;
        }

        .footer-links {
            list-style: none;
            margin: 0;
            padding: 0;
        }

        .footer-links li {
            margin-bottom: 8px;
        }

        .footer-links li a {
            font-size: 13px;
            color: rgba(255, 255, 255, 0.6);
            transition: all 0.25s ease;
        }

        .footer-links li a:hover {
            color: var(--highlight);
            padding-left: 4px;
        }

        .footer-bottom {
            border-top: 1px solid rgba(255, 255, 255, 0.1);
            padding: 20px 0;
            display: flex;
            align-items: center;
            justify-content: space-between;
            flex-wrap: wrap;
            gap: 12px;
            font-size: 12px;
            color: rgba(255, 255, 255, 0.5);
        }

        .footer-bottom a {
            color: rgba(255, 255, 255, 0.5);
            font-size: 12px;
        }

        .footer-bottom a:hover {
            color: var(--highlight);
        }

        .footer-beian {
            display: flex;
            align-items: center;
            gap: 16px;
            flex-wrap: wrap;
        }

        /* ===== RESPONSIVE ===== */
        @media (max-width: 1024px) {
            :root {
                --section-gap: 72px;
            }

            .hero-title {
                font-size: 38px;
            }

            .hot-display-grid {
                grid-template-columns: 1fr 1fr;
            }

            .hot-card-featured {
                grid-row: auto;
                grid-column: span 2;
            }

            .hot-card-featured .hot-card-image {
                aspect-ratio: 16 / 9;
            }

            .member-entry-grid {
                grid-template-columns: repeat(2, 1fr);
            }

            .reviews-grid {
                grid-template-columns: repeat(2, 1fr);
            }

            .partners-grid {
                grid-template-columns: repeat(3, 1fr);
            }

            .footer-grid {
                grid-template-columns: 1fr 1fr;
            }

            .nav-links {
                display: none;
            }

            .hamburger-btn {
                display: flex;
            }

            .mobile-drawer {
                display: block;
            }

            .nav-countdown {
                display: none;
            }

            .floating-cta-mobile {
                display: flex;
            }

            .floating-cta-desktop {
                display: none;
            }

            .info-news-layout {
                grid-template-columns: 1fr;
            }
        }

        @media (max-width: 768px) {
            :root {
                --section-gap: 56px;
                --nav-height: 60px;
            }

            .hero-section {
                min-height: auto;
                padding: 60px 0;
            }

            .hero-title {
                font-size: 30px;
            }

            .hero-subtitle {
                font-size: 15px;
            }

            .hero-stats-row {
                gap: 20px;
            }

            .hero-stat-num {
                font-size: 22px;
            }

            .hot-display-grid {
                grid-template-columns: 1fr;
            }

            .hot-card-featured {
                grid-column: auto;
            }

            .member-entry-grid {
                grid-template-columns: 1fr;
            }

            .reviews-grid {
                grid-template-columns: 1fr;
            }

            .partners-grid {
                grid-template-columns: repeat(2, 1fr);
            }

            .footer-grid {
                grid-template-columns: 1fr;
                gap: 28px;
            }

            .footer-bottom {
                flex-direction: column;
                align-items: flex-start;
            }

            .section-title {
                font-size: 24px;
            }

            .hot-card-image {
                aspect-ratio: 16 / 10;
            }

            .hot-card-featured .hot-card-image {
                aspect-ratio: 16 / 10;
            }
        }

        @media (max-width: 520px) {
            :root {
                --section-gap: 44px;
            }

            .container-custom {
                padding-left: 16px;
                padding-right: 16px;
            }

            .hero-title {
                font-size: 26px;
            }

            .hero-cta-row {
                flex-direction: column;
                align-items: stretch;
            }

            .hero-cta-row .btn-primary,
            .hero-cta-row .btn-ghost {
                justify-content: center;
                width: 100%;
            }

            .nav-status {
                display: none;
            }

            .nav-logo-text {
                font-size: 18px;
            }

            .nav-logo-icon {
                width: 30px;
                height: 30px;
                font-size: 15px;
            }

            .partners-grid {
                grid-template-columns: 1fr 1fr;
                gap: 10px;
            }

            .partner-tag {
                padding: 14px 8px;
            }

            .faq-question {
                font-size: 14px;
                padding: 14px 16px;
            }

            .faq-answer {
                padding: 0 16px;
            }

            .faq-item.active .faq-answer {
                padding: 0 16px 16px;
            }

            .floating-cta-mobile {
                padding: 8px 12px;
            }

            .floating-cta-mobile .fc-text {
                font-size: 11px;
            }

            .floating-cta-mobile .btn-primary {
                font-size: 12px;
                padding: 8px 16px;
                white-space: nowrap;
            }
        }

/* roulang page: category2 */
/* ==================== 设计系统变量 ==================== */
        :root {
            --primary: #0F3A2F;
            --primary-deep: #0A2A22;
            --primary-light: #1B5A47;
            --accent: #E8682A;
            --accent-hover: #C8531F;
            --highlight: #C8E455;
            --bg: #F6F2E9;
            --bg-dark: #1B1E1A;
            --text: #20231E;
            --text-sub: #5C665D;
            --border: #D9DED4;
            --radius-sm: 8px;
            --radius-md: 12px;
            --radius-lg: 16px;
            --shadow-sm: 0 2px 8px rgba(15, 58, 47, 0.08);
            --shadow-md: 0 8px 24px rgba(15, 58, 47, 0.12);
            --shadow-lg: 0 16px 40px rgba(15, 58, 47, 0.18);
            --font-hero: 'Noto Sans SC', 'Source Han Sans CN', 'Microsoft YaHei', sans-serif;
            --font-body: 'Noto Sans SC', 'Microsoft YaHei', 'PingFang SC', sans-serif;
            --font-mono: 'DIN', 'Roboto Mono', 'Courier New', monospace;
            --container-max: 1200px;
            --section-gap: 72px;
            --section-gap-mobile: 56px;
            --nav-height: 68px;
        }

        /* ==================== 基础 Reset ==================== */
        html {
            scroll-behavior: smooth;
            -webkit-text-size-adjust: 100%;
        }
        body {
            font-family: var(--font-body);
            font-size: 16px;
            line-height: 1.75;
            color: var(--text);
            background-color: var(--bg);
            min-height: 100vh;
            overflow-x: hidden;
            -webkit-font-smoothing: antialiased;
            -moz-osx-font-smoothing: grayscale;
        }
        img {
            max-width: 100%;
            height: auto;
            display: block;
        }
        a {
            color: var(--primary);
            text-decoration: none;
            transition: color 0.25s ease, background-color 0.25s ease, border-color 0.25s ease, transform 0.25s ease, box-shadow 0.25s ease, opacity 0.25s ease;
        }
        a:hover {
            color: var(--accent);
        }
        button, input, select, textarea {
            font-family: inherit;
            font-size: inherit;
            line-height: inherit;
        }
        button {
            cursor: pointer;
            border: none;
            background: none;
        }
        * {
            box-sizing: border-box;
        }

        /* ==================== 容器与布局 ==================== */
        .container-custom {
            max-width: var(--container-max);
            margin: 0 auto;
            padding-left: 24px;
            padding-right: 24px;
        }
        .section-gap {
            padding: var(--section-gap) 0;
        }
        .section-gap-sm {
            padding: 48px 0;
        }
        .section-title {
            font-family: var(--font-hero);
            font-weight: 700;
            font-size: 30px;
            line-height: 1.3;
            color: var(--text);
            margin-bottom: 8px;
            letter-spacing: 0.02em;
        }
        .section-desc {
            font-size: 16px;
            color: var(--text-sub);
            line-height: 1.8;
            max-width: 720px;
            margin-bottom: 40px;
        }
        .section-tag {
            display: inline-block;
            background-color: var(--highlight);
            color: var(--primary);
            font-size: 12px;
            font-weight: 600;
            padding: 4px 12px;
            border-radius: 100px;
            letter-spacing: 0.06em;
            margin-bottom: 12px;
        }

        /* ==================== 按钮 ==================== */
        .btn-primary {
            display: inline-flex;
            align-items: center;
            gap: 8px;
            background-color: var(--accent);
            color: #fff;
            font-weight: 600;
            font-size: 15px;
            padding: 14px 32px;
            border-radius: var(--radius-sm);
            transition: all 0.3s ease;
            border: 2px solid var(--accent);
            letter-spacing: 0.03em;
            text-decoration: none;
        }
        .btn-primary:hover {
            background-color: var(--accent-hover);
            border-color: var(--accent-hover);
            transform: translateY(-2px);
            box-shadow: 0 8px 20px rgba(232, 104, 42, 0.3);
            color: #fff;
        }
        .btn-primary:active {
            transform: translateY(0);
            box-shadow: 0 2px 8px rgba(232, 104, 42, 0.2);
        }
        .btn-primary:focus-visible {
            outline: 3px solid rgba(232, 104, 42, 0.35);
            outline-offset: 2px;
        }
        .btn-secondary {
            display: inline-flex;
            align-items: center;
            gap: 8px;
            background-color: transparent;
            color: var(--primary);
            font-weight: 600;
            font-size: 15px;
            padding: 13px 30px;
            border-radius: var(--radius-sm);
            border: 2px solid var(--primary);
            transition: all 0.3s ease;
            letter-spacing: 0.03em;
            text-decoration: none;
        }
        .btn-secondary:hover {
            background-color: rgba(15, 58, 47, 0.06);
            color: var(--primary);
            transform: translateY(-2px);
        }
        .btn-secondary:focus-visible {
            outline: 3px solid rgba(15, 58, 47, 0.25);
            outline-offset: 2px;
        }
        .btn-ghost {
            display: inline-flex;
            align-items: center;
            gap: 8px;
            background-color: transparent;
            color: #fff;
            font-weight: 600;
            font-size: 15px;
            padding: 13px 30px;
            border-radius: var(--radius-sm);
            border: 2px solid rgba(255, 255, 255, 0.7);
            transition: all 0.3s ease;
            letter-spacing: 0.03em;
            text-decoration: none;
        }
        .btn-ghost:hover {
            background-color: #fff;
            color: var(--primary);
            border-color: #fff;
            transform: translateY(-2px);
        }
        .btn-ghost:focus-visible {
            outline: 3px solid rgba(255, 255, 255, 0.4);
            outline-offset: 2px;
        }
        .btn-sm {
            padding: 10px 22px;
            font-size: 14px;
        }

        /* ==================== 导航 ==================== */
        .top-navbar {
            background-color: var(--primary);
            height: var(--nav-height);
            display: flex;
            align-items: center;
            position: relative;
            z-index: 100;
            box-shadow: 0 2px 12px rgba(0, 0, 0, 0.15);
        }
        .nav-wrapper {
            display: flex;
            align-items: center;
            justify-content: space-between;
            width: 100%;
        }
        .nav-logo {
            display: flex;
            align-items: center;
            gap: 10px;
            text-decoration: none;
            color: #fff;
            font-family: var(--font-hero);
            font-weight: 700;
            font-size: 24px;
            letter-spacing: 0.04em;
            transition: opacity 0.25s ease;
        }
        .nav-logo:hover {
            opacity: 0.85;
            color: #fff;
        }
        .nav-logo-icon {
            display: inline-flex;
            align-items: center;
            justify-content: center;
            width: 38px;
            height: 38px;
            background-color: var(--accent);
            color: #fff;
            border-radius: 10px;
            font-size: 20px;
            font-weight: 700;
        }
        .nav-logo-text {
            font-size: 22px;
            font-weight: 700;
            color: #fff;
            letter-spacing: 0.05em;
        }
        .nav-logo-text span {
            color: var(--highlight);
        }
        .nav-links {
            display: flex;
            align-items: center;
            gap: 4px;
            list-style: none;
            margin: 0;
            padding: 0;
        }
        .nav-links li {
            margin: 0;
        }
        .nav-links a {
            display: inline-flex;
            align-items: center;
            gap: 6px;
            color: rgba(255, 255, 255, 0.85);
            font-size: 15px;
            font-weight: 500;
            padding: 8px 14px;
            border-radius: 6px;
            transition: all 0.25s ease;
            position: relative;
            text-decoration: none;
            letter-spacing: 0.02em;
        }
        .nav-links a:hover {
            color: #fff;
            background-color: rgba(255, 255, 255, 0.1);
        }
        .nav-links a.active {
            color: #fff;
            background-color: rgba(200, 228, 85, 0.18);
            font-weight: 600;
        }
        .nav-links a.active::after {
            content: '';
            position: absolute;
            bottom: 0;
            left: 14px;
            right: 14px;
            height: 2px;
            background-color: var(--highlight);
            border-radius: 2px;
        }
        .nav-badge {
            display: inline-flex;
            align-items: center;
            background-color: var(--highlight);
            color: var(--primary);
            font-size: 10px;
            font-weight: 700;
            padding: 2px 7px;
            border-radius: 100px;
            letter-spacing: 0.04em;
        }
        .nav-actions {
            display: flex;
            align-items: center;
            gap: 12px;
        }
        .nav-countdown {
            font-family: var(--font-mono);
            color: var(--highlight);
            font-size: 14px;
            font-weight: 600;
            letter-spacing: 0.05em;
            display: flex;
            align-items: center;
            gap: 5px;
        }
        .nav-countdown i {
            font-size: 13px;
        }
        .nav-cta-btn {
            display: inline-flex;
            align-items: center;
            gap: 6px;
            background-color: var(--accent);
            color: #fff;
            font-weight: 600;
            font-size: 14px;
            padding: 10px 22px;
            border-radius: 100px;
            transition: all 0.3s ease;
            text-decoration: none;
            letter-spacing: 0.03em;
            border: 2px solid var(--accent);
        }
        .nav-cta-btn:hover {
            background-color: var(--accent-hover);
            border-color: var(--accent-hover);
            color: #fff;
            transform: translateY(-1px);
            box-shadow: 0 4px 12px rgba(232, 104, 42, 0.35);
        }
        .nav-toggle {
            display: none;
            color: #fff;
            font-size: 24px;
            background: none;
            border: none;
            padding: 4px;
            cursor: pointer;
        }

        /* 移动端导航 */
        @media (max-width: 1024px) {
            .nav-toggle {
                display: block;
            }
            .nav-links {
                position: fixed;
                top: var(--nav-height);
                left: 0;
                right: 0;
                background-color: var(--primary-deep);
                flex-direction: column;
                align-items: stretch;
                gap: 0;
                padding: 16px 24px;
                display: none;
                box-shadow: 0 20px 40px rgba(0, 0, 0, 0.3);
                max-height: calc(100vh - var(--nav-height));
                overflow-y: auto;
                z-index: 99;
            }
            .nav-links.open {
                display: flex;
            }
            .nav-links a {
                padding: 12px 16px;
                border-radius: 8px;
                font-size: 16px;
            }
            .nav-links a.active::after {
                display: none;
            }
            .nav-actions .nav-countdown {
                display: none;
            }
        }
        @media (max-width: 640px) {
            .nav-cta-btn {
                font-size: 12px;
                padding: 8px 16px;
            }
            .nav-logo-text {
                font-size: 18px;
            }
            .nav-logo-icon {
                width: 32px;
                height: 32px;
                font-size: 16px;
                border-radius: 8px;
            }
        }

        /* ==================== Hero 区 ==================== */
        .category-hero {
            position: relative;
            background-image: url('/assets/images/backpic/back-1.webp');
            background-size: cover;
            background-position: center;
            min-height: 520px;
            display: flex;
            align-items: center;
            color: #fff;
            overflow: hidden;
        }
        .category-hero::before {
            content: '';
            position: absolute;
            inset: 0;
            background: linear-gradient(135deg, rgba(15, 58, 47, 0.88) 0%, rgba(10, 42, 34, 0.72) 40%, rgba(27, 30, 26, 0.85) 100%);
            z-index: 1;
        }
        .category-hero .container-custom {
            position: relative;
            z-index: 2;
        }
        .hero-badge-group {
            display: flex;
            gap: 10px;
            margin-bottom: 18px;
            flex-wrap: wrap;
        }
        .hero-badge {
            display: inline-flex;
            align-items: center;
            gap: 6px;
            background-color: rgba(200, 228, 85, 0.2);
            color: var(--highlight);
            font-size: 12px;
            font-weight: 600;
            padding: 6px 14px;
            border-radius: 100px;
            letter-spacing: 0.04em;
            border: 1px solid rgba(200, 228, 85, 0.3);
        }
        .hero-badge i {
            font-size: 11px;
        }
        .category-hero h1 {
            font-family: var(--font-hero);
            font-weight: 700;
            font-size: 44px;
            line-height: 1.25;
            color: #fff;
            margin-bottom: 16px;
            letter-spacing: 0.03em;
            max-width: 800px;
        }
        .category-hero h1 .highlight-text {
            color: var(--highlight);
            position: relative;
        }
        .hero-subtitle {
            font-size: 18px;
            line-height: 1.8;
            color: rgba(255, 255, 255, 0.85);
            max-width: 680px;
            margin-bottom: 28px;
        }
        .hero-actions {
            display: flex;
            gap: 16px;
            flex-wrap: wrap;
            align-items: center;
        }
        .hero-stats {
            display: flex;
            gap: 36px;
            margin-top: 36px;
            flex-wrap: wrap;
        }
        .hero-stat-item {
            display: flex;
            flex-direction: column;
            gap: 4px;
        }
        .hero-stat-num {
            font-family: var(--font-mono);
            font-size: 28px;
            font-weight: 700;
            color: var(--highlight);
            letter-spacing: 0.03em;
        }
        .hero-stat-label {
            font-size: 13px;
            color: rgba(255, 255, 255, 0.7);
            letter-spacing: 0.03em;
        }
        @media (max-width: 768px) {
            .category-hero {
                min-height: 440px;
            }
            .category-hero h1 {
                font-size: 30px;
            }
            .hero-subtitle {
                font-size: 15px;
            }
            .hero-stats {
                gap: 20px;
                margin-top: 24px;
            }
            .hero-stat-num {
                font-size: 22px;
            }
        }
        @media (max-width: 520px) {
            .category-hero {
                min-height: 400px;
            }
            .category-hero h1 {
                font-size: 26px;
            }
            .hero-actions {
                flex-direction: column;
                align-items: flex-start;
            }
        }

        /* ==================== 标签筛选条 ==================== */
        .filter-bar-section {
            background-color: #fff;
            border-bottom: 1px solid var(--border);
            padding: 16px 0;
            position: relative;
            z-index: 10;
        }
        .filter-bar {
            display: flex;
            align-items: center;
            gap: 8px;
            flex-wrap: wrap;
        }
        .filter-label {
            font-size: 14px;
            font-weight: 600;
            color: var(--text-sub);
            margin-right: 8px;
            display: flex;
            align-items: center;
            gap: 6px;
        }
        .filter-tag {
            display: inline-flex;
            align-items: center;
            gap: 6px;
            background-color: #fff;
            color: var(--text);
            font-size: 14px;
            font-weight: 500;
            padding: 8px 18px;
            border-radius: 100px;
            border: 1px solid var(--border);
            cursor: pointer;
            transition: all 0.25s ease;
            white-space: nowrap;
        }
        .filter-tag:hover {
            border-color: var(--primary);
            color: var(--primary);
            background-color: rgba(15, 58, 47, 0.04);
        }
        .filter-tag.active {
            background-color: var(--primary);
            color: #fff;
            border-color: var(--primary);
            font-weight: 600;
        }
        .filter-tag .count {
            background-color: rgba(15, 58, 47, 0.1);
            color: var(--text-sub);
            font-size: 11px;
            font-weight: 600;
            padding: 1px 8px;
            border-radius: 100px;
        }
        .filter-tag.active .count {
            background-color: rgba(255, 255, 255, 0.2);
            color: var(--highlight);
        }
        @media (max-width: 768px) {
            .filter-bar-section {
                overflow-x: auto;
                -webkit-overflow-scrolling: touch;
            }
            .filter-bar {
                flex-wrap: nowrap;
                padding-bottom: 4px;
            }
        }

        /* ==================== 权益卡片网格 ==================== */
        .benefits-grid-section {
            padding: 64px 0 0;
        }
        .benefits-grid {
            display: grid;
            grid-template-columns: repeat(3, 1fr);
            gap: 28px;
        }
        .benefit-card {
            background: #fff;
            border-radius: var(--radius-lg);
            overflow: hidden;
            box-shadow: var(--shadow-sm);
            transition: all 0.3s ease;
            border: 1px solid var(--border);
            display: flex;
            flex-direction: column;
        }
        .benefit-card:hover {
            box-shadow: var(--shadow-lg);
            transform: translateY(-4px);
        }
        .benefit-card.featured {
            grid-column: span 2;
            display: grid;
            grid-template-columns: 1.2fr 1fr;
            min-height: 360px;
        }
        .benefit-card-image {
            position: relative;
            overflow: hidden;
            min-height: 200px;
            flex-shrink: 0;
        }
        .benefit-card.featured .benefit-card-image {
            min-height: 100%;
        }
        .benefit-card-image img {
            width: 100%;
            height: 100%;
            object-fit: cover;
            transition: transform 0.5s ease;
        }
        .benefit-card:hover .benefit-card-image img {
            transform: scale(1.05);
        }
        .benefit-card-body {
            padding: 28px 32px;
            display: flex;
            flex-direction: column;
            gap: 12px;
            flex: 1;
        }
        .benefit-card.featured .benefit-card-body {
            padding: 36px 40px;
            justify-content: center;
        }
        .benefit-card-tag {
            display: inline-flex;
            align-items: center;
            gap: 5px;
            background-color: var(--highlight);
            color: var(--primary);
            font-size: 11px;
            font-weight: 700;
            padding: 4px 12px;
            border-radius: 100px;
            letter-spacing: 0.05em;
            align-self: flex-start;
        }
        .benefit-card h3 {
            font-family: var(--font-hero);
            font-size: 20px;
            font-weight: 700;
            color: var(--text);
            line-height: 1.4;
            margin: 0;
        }
        .benefit-card.featured h3 {
            font-size: 26px;
        }
        .benefit-card-desc {
            font-size: 15px;
            color: var(--text-sub);
            line-height: 1.75;
            margin: 0;
        }
        .benefit-card-meta {
            display: flex;
            align-items: center;
            gap: 16px;
            font-size: 13px;
            color: var(--text-sub);
            margin-top: auto;
        }
        .benefit-card-link {
            display: inline-flex;
            align-items: center;
            gap: 5px;
            color: var(--accent);
            font-weight: 600;
            font-size: 14px;
            text-decoration: none;
            transition: all 0.25s ease;
        }
        .benefit-card-link:hover {
            color: var(--accent-hover);
            gap: 8px;
        }
        @media (max-width: 1024px) {
            .benefits-grid {
                grid-template-columns: repeat(2, 1fr);
            }
            .benefit-card.featured {
                grid-column: span 2;
            }
        }
        @media (max-width: 640px) {
            .benefits-grid {
                grid-template-columns: 1fr;
            }
            .benefit-card.featured {
                grid-column: span 1;
                display: flex;
                min-height: auto;
            }
            .benefit-card.featured .benefit-card-image {
                min-height: 200px;
            }
            .benefit-card-body {
                padding: 20px 24px;
            }
            .benefit-card.featured .benefit-card-body {
                padding: 24px;
            }
            .benefit-card.featured h3 {
                font-size: 20px;
            }
        }

        /* ==================== 会员等级 ==================== */
        .tier-section {
            background-color: #fff;
            border-radius: var(--radius-lg);
            padding: 56px 48px;
            box-shadow: var(--shadow-md);
            margin-top: 56px;
        }
        .tier-grid {
            display: grid;
            grid-template-columns: repeat(3, 1fr);
            gap: 24px;
            margin-top: 36px;
        }
        .tier-card {
            background: linear-gradient(180deg, #faf8f3 0%, #f4f1e9 100%);
            border-radius: var(--radius-md);
            padding: 32px 28px;
            border: 1px solid var(--border);
            transition: all 0.3s ease;
            position: relative;
            overflow: hidden;
        }
        .tier-card:hover {
            border-color: var(--primary);
            box-shadow: var(--shadow-sm);
            transform: translateY(-3px);
        }
        .tier-card.featured-tier {
            border-color: var(--accent);
            box-shadow: 0 8px 24px rgba(232, 104, 42, 0.15);
        }
        .tier-card .tier-ribbon {
            position: absolute;
            top: 16px;
            right: -30px;
            background-color: var(--accent);
            color: #fff;
            font-size: 11px;
            font-weight: 700;
            padding: 4px 36px;
            transform: rotate(45deg);
            letter-spacing: 0.06em;
        }
        .tier-name {
            font-family: var(--font-hero);
            font-size: 20px;
            font-weight: 700;
            color: var(--primary);
            margin-bottom: 4px;
        }
        .tier-level {
            font-size: 13px;
            color: var(--accent);
            font-weight: 600;
            margin-bottom: 16px;
            letter-spacing: 0.04em;
        }
        .tier-desc {
            font-size: 14px;
            color: var(--text-sub);
            line-height: 1.7;
            margin-bottom: 18px;
        }
        .tier-benefits {
            list-style: none;
            margin: 0 0 20px;
            padding: 0;
        }
        .tier-benefits li {
            font-size: 14px;
            color: var(--text);
            padding: 6px 0;
            display: flex;
            align-items: center;
            gap: 8px;
        }
        .tier-benefits li i {
            color: var(--accent);
            font-size: 13px;
        }
        @media (max-width: 1024px) {
            .tier-grid {
                grid-template-columns: repeat(2, 1fr);
            }
            .tier-section {
                padding: 40px 32px;
            }
        }
        @media (max-width: 640px) {
            .tier-grid {
                grid-template-columns: 1fr;
            }
            .tier-section {
                padding: 28px 20px;
            }
        }

        /* ==================== 服务流程 ==================== */
        .process-grid {
            display: grid;
            grid-template-columns: repeat(4, 1fr);
            gap: 24px;
            margin-top: 40px;
        }
        .process-step {
            background: #fff;
            border-radius: var(--radius-md);
            padding: 28px 24px;
            border: 1px solid var(--border);
            text-align: center;
            transition: all 0.3s ease;
            position: relative;
        }
        .process-step:hover {
            box-shadow: var(--shadow-md);
            transform: translateY(-3px);
        }
        .process-step-num {
            display: inline-flex;
            align-items: center;
            justify-content: center;
            width: 48px;
            height: 48px;
            background-color: var(--primary);
            color: var(--highlight);
            font-family: var(--font-mono);
            font-size: 20px;
            font-weight: 700;
            border-radius: 50%;
            margin-bottom: 16px;
        }
        .process-step h3 {
            font-size: 17px;
            font-weight: 700;
            color: var(--text);
            margin-bottom: 8px;
        }
        .process-step p {
            font-size: 14px;
            color: var(--text-sub);
            line-height: 1.7;
            margin: 0;
        }
        @media (max-width: 1024px) {
            .process-grid {
                grid-template-columns: repeat(2, 1fr);
            }
        }
        @media (max-width: 640px) {
            .process-grid {
                grid-template-columns: 1fr;
            }
        }

        /* ==================== 评价区 ==================== */
        .reviews-section {
            background-color: var(--bg-dark);
            color: #fff;
        }
        .reviews-section .section-title {
            color: #fff;
        }
        .reviews-section .section-desc {
            color: rgba(255, 255, 255, 0.7);
        }
        .reviews-grid {
            display: grid;
            grid-template-columns: repeat(3, 1fr);
            gap: 24px;
            margin-top: 36px;
        }
        .review-card {
            background-color: rgba(255, 255, 255, 0.06);
            border-radius: var(--radius-md);
            padding: 28px 26px;
            border: 1px solid rgba(255, 255, 255, 0.12);
            transition: all 0.3s ease;
        }
        .review-card:hover {
            background-color: rgba(255, 255, 255, 0.08);
            border-color: rgba(200, 228, 85, 0.3);
        }
        .review-header {
            display: flex;
            align-items: center;
            gap: 12px;
            margin-bottom: 14px;
        }
        .review-avatar {
            width: 44px;
            height: 44px;
            border-radius: 50%;
            background-color: var(--accent);
            color: #fff;
            display: flex;
            align-items: center;
            justify-content: center;
            font-weight: 700;
            font-size: 18px;
            flex-shrink: 0;
        }
        .review-name {
            font-size: 15px;
            font-weight: 600;
            color: #fff;
        }
        .review-tag {
            font-size: 12px;
            color: var(--highlight);
            letter-spacing: 0.04em;
        }
        .review-text {
            font-size: 14px;
            color: rgba(255, 255, 255, 0.8);
            line-height: 1.75;
            margin: 0;
        }
        .review-stars {
            display: flex;
            gap: 2px;
            color: var(--highlight);
            font-size: 12px;
            margin-bottom: 10px;
        }
        @media (max-width: 1024px) {
            .reviews-grid {
                grid-template-columns: repeat(2, 1fr);
            }
        }
        @media (max-width: 640px) {
            .reviews-grid {
                grid-template-columns: 1fr;
            }
        }

        /* ==================== FAQ ==================== */
        .faq-section {
            background-color: #fff;
            border-radius: var(--radius-lg);
            padding: 56px 48px;
            box-shadow: var(--shadow-md);
        }
        .faq-list {
            margin-top: 36px;
            display: flex;
            flex-direction: column;
            gap: 12px;
        }
        .faq-item {
            border: 1px solid var(--border);
            border-radius: var(--radius-sm);
            overflow: hidden;
            transition: all 0.3s ease;
            background-color: #fafaf7;
        }
        .faq-item.active {
            border-color: var(--accent);
        }
        .faq-question {
            display: flex;
            align-items: center;
            justify-content: space-between;
            padding: 18px 24px;
            cursor: pointer;
            font-size: 16px;
            font-weight: 600;
            color: var(--text);
            transition: all 0.25s ease;
            gap: 16px;
            background: transparent;
            border: none;
            width: 100%;
            text-align: left;
        }
        .faq-question:hover {
            color: var(--primary);
        }
        .faq-icon {
            flex-shrink: 0;
            width: 24px;
            height: 24px;
            border-radius: 50%;
            background-color: var(--border);
            color: var(--text);
            display: flex;
            align-items: center;
            justify-content: center;
            font-size: 14px;
            transition: all 0.3s ease;
        }
        .faq-item.active .faq-icon {
            background-color: var(--accent);
            color: #fff;
            transform: rotate(45deg);
        }
        .faq-answer {
            max-height: 0;
            overflow: hidden;
            transition: max-height 0.4s ease;
            padding: 0 24px;
            font-size: 14px;
            color: var(--text-sub);
            line-height: 1.75;
        }
        .faq-item.active .faq-answer {
            max-height: 300px;
            padding-bottom: 20px;
        }
        @media (max-width: 640px) {
            .faq-section {
                padding: 28px 20px;
            }
            .faq-question {
                padding: 14px 18px;
                font-size: 15px;
            }
        }

        /* ==================== 底部 CTA ==================== */
        .cta-section {
            background: linear-gradient(135deg, var(--primary) 0%, var(--primary-deep) 60%, var(--bg-dark) 100%);
            color: #fff;
            border-radius: var(--radius-lg);
            overflow: hidden;
            position: relative;
        }
        .cta-section::before {
            content: '';
            position: absolute;
            top: -60px;
            right: -40px;
            width: 280px;
            height: 280px;
            background: radial-gradient(circle, rgba(200, 228, 85, 0.2) 0%, transparent 70%);
            border-radius: 50%;
            pointer-events: none;
        }
        .cta-inner {
            padding: 56px 48px;
            position: relative;
            z-index: 2;
            display: flex;
            align-items: center;
            justify-content: space-between;
            gap: 36px;
            flex-wrap: wrap;
        }
        .cta-content h2 {
            font-family: var(--font-hero);
            font-size: 30px;
            font-weight: 700;
            color: #fff;
            margin-bottom: 12px;
        }
        .cta-content p {
            font-size: 16px;
            color: rgba(255, 255, 255, 0.8);
            margin: 0;
            max-width: 560px;
            line-height: 1.8;
        }
        .cta-actions {
            display: flex;
            gap: 14px;
            flex-wrap: wrap;
        }
        @media (max-width: 768px) {
            .cta-inner {
                padding: 36px 24px;
                flex-direction: column;
                align-items: flex-start;
            }
            .cta-content h2 {
                font-size: 24px;
            }
        }

        /* ==================== 底部固定转化条 ==================== */
        .fixed-conversion-bar {
            display: none;
            position: fixed;
            bottom: 0;
            left: 0;
            right: 0;
            background-color: var(--primary-deep);
            padding: 10px 16px;
            z-index: 90;
            box-shadow: 0 -4px 16px rgba(0, 0, 0, 0.2);
            align-items: center;
            justify-content: space-between;
            gap: 12px;
        }
        .fixed-bar-text {
            font-size: 13px;
            color: rgba(255, 255, 255, 0.85);
            font-weight: 500;
            letter-spacing: 0.02em;
        }
        @media (max-width: 768px) {
            .fixed-conversion-bar {
                display: flex;
            }
            body {
                padding-bottom: 56px;
            }
        }

        /* ==================== 页脚 ==================== */
        .site-footer {
            background-color: var(--bg-dark);
            color: rgba(255, 255, 255, 0.8);
            padding: 56px 0 0;
        }
        .footer-grid {
            display: grid;
            grid-template-columns: 1.4fr 1fr 1fr 1fr;
            gap: 36px;
            padding-bottom: 36px;
        }
        .footer-brand p {
            font-size: 14px;
            line-height: 1.8;
            color: rgba(255, 255, 255, 0.65);
            margin-top: 12px;
            max-width: 320px;
        }
        .footer-title {
            font-size: 16px;
            font-weight: 700;
            color: #fff;
            margin-bottom: 16px;
            letter-spacing: 0.04em;
        }
        .footer-links {
            list-style: none;
            margin: 0;
            padding: 0;
        }
        .footer-links li {
            margin-bottom: 10px;
        }
        .footer-links a {
            color: rgba(255, 255, 255, 0.6);
            font-size: 14px;
            text-decoration: none;
            transition: color 0.25s ease;
        }
        .footer-links a:hover {
            color: var(--highlight);
        }
        .footer-bottom {
            border-top: 1px solid rgba(255, 255, 255, 0.12);
            padding: 20px 0;
            display: flex;
            align-items: center;
            justify-content: space-between;
            flex-wrap: wrap;
            gap: 12px;
            font-size: 13px;
            color: rgba(255, 255, 255, 0.5);
        }
        .footer-beian {
            display: flex;
            gap: 16px;
            flex-wrap: wrap;
            align-items: center;
        }
        .footer-beian a {
            color: rgba(255, 255, 255, 0.5);
            text-decoration: none;
            transition: color 0.25s ease;
        }
        .footer-beian a:hover {
            color: var(--highlight);
        }
        @media (max-width: 1024px) {
            .footer-grid {
                grid-template-columns: repeat(2, 1fr);
            }
        }
        @media (max-width: 640px) {
            .footer-grid {
                grid-template-columns: 1fr;
                gap: 24px;
            }
            .footer-bottom {
                flex-direction: column;
                align-items: flex-start;
            }
        }

        /* ==================== 通用辅助 ==================== */
        .text-center {
            text-align: center;
        }
        .mb-0 {
            margin-bottom: 0;
        }
        .mt-0 {
            margin-top: 0;
        }
        .bg-white {
            background-color: #fff;
        }
        .rounded-card {
            border-radius: var(--radius-lg);
            box-shadow: var(--shadow-md);
            background: #fff;
            overflow: hidden;
        }
        .section-divider {
            border: none;
            border-top: 1px solid var(--border);
            margin: 0;
        }

/* roulang page: category1 */
:root {
            --primary: #0F3A2F;
            --primary-deep: #0A2A22;
            --primary-light: #1B5A47;
            --accent: #E8682A;
            --accent-hover: #C8531F;
            --highlight: #C8E455;
            --bg: #F6F2E9;
            --bg-dark: #1B1E1A;
            --text: #20231E;
            --text-sub: #5C665D;
            --border: #D9DED4;
            --radius-sm: 8px;
            --radius-md: 12px;
            --radius-lg: 16px;
            --shadow-sm: 0 2px 8px rgba(15,58,47,0.08);
            --shadow-md: 0 8px 24px rgba(15,58,47,0.12);
            --shadow-lg: 0 16px 40px rgba(15,58,47,0.18);
            --font-hero: 'Noto Sans SC','Source Han Sans CN','Microsoft YaHei',sans-serif;
            --font-body: 'Noto Sans SC','Microsoft YaHei','PingFang SC',sans-serif;
            --font-mono: 'DIN','Roboto Mono','Courier New',monospace;
            --container-max: 1200px;
            --section-gap: 72px;
            --section-gap-mobile: 56px;
            --nav-height: 68px;
        }

        * {
            box-sizing: border-box;
            margin: 0;
            padding: 0;
        }

        html {
            scroll-behavior: smooth;
            -webkit-text-size-adjust: 100%;
        }

        body {
            font-family: var(--font-body);
            font-size: 16px;
            line-height: 1.75;
            color: var(--text);
            background-color: var(--bg);
            min-height: 100vh;
            overflow-x: hidden;
            -webkit-font-smoothing: antialiased;
            -moz-osx-font-smoothing: grayscale;
        }

        img {
            max-width: 100%;
            height: auto;
            display: block;
        }

        a {
            color: var(--primary);
            text-decoration: none;
            transition: color 0.25s ease, background-color 0.25s ease, border-color 0.25s ease, transform 0.25s ease, box-shadow 0.25s ease, opacity 0.25s ease;
        }

        a:hover {
            color: var(--accent);
        }

        button,
        input,
        select,
        textarea {
            font-family: inherit;
            font-size: inherit;
            line-height: inherit;
        }

        button {
            cursor: pointer;
            border: none;
            background: none;
        }

        .container-custom {
            max-width: var(--container-max);
            margin: 0 auto;
            padding-left: 24px;
            padding-right: 24px;
        }

        .section-gap {
            padding: var(--section-gap) 0;
        }

        .section-gap-sm {
            padding: 48px 0;
        }

        .section-title {
            font-family: var(--font-hero);
            font-weight: 700;
            font-size: 30px;
            line-height: 1.3;
            color: var(--text);
            margin-bottom: 8px;
            letter-spacing: 0.02em;
        }

        .section-desc {
            font-size: 16px;
            color: var(--text-sub);
            line-height: 1.8;
            max-width: 720px;
            margin-bottom: 36px;
        }

        .section-tag {
            display: inline-block;
            background-color: var(--highlight);
            color: var(--primary);
            font-size: 12px;
            font-weight: 600;
            padding: 4px 14px;
            border-radius: 100px;
            letter-spacing: 0.06em;
            margin-bottom: 12px;
        }

        .btn-primary {
            display: inline-flex;
            align-items: center;
            gap: 8px;
            background-color: var(--accent);
            color: #fff;
            font-weight: 600;
            font-size: 15px;
            padding: 14px 32px;
            border-radius: var(--radius-sm);
            transition: all 0.3s ease;
            border: 2px solid var(--accent);
            letter-spacing: 0.03em;
        }

        .btn-primary:hover {
            background-color: var(--accent-hover);
            border-color: var(--accent-hover);
            transform: translateY(-2px);
            box-shadow: 0 8px 20px rgba(232,104,42,0.3);
            color: #fff;
        }

        .btn-primary:active {
            transform: translateY(0);
            box-shadow: 0 2px 8px rgba(232,104,42,0.2);
        }

        .btn-primary:focus-visible {
            outline: 3px solid rgba(232,104,42,0.35);
            outline-offset: 2px;
        }

        .btn-secondary {
            display: inline-flex;
            align-items: center;
            gap: 8px;
            background-color: transparent;
            color: var(--primary);
            font-weight: 600;
            font-size: 15px;
            padding: 13px 30px;
            border-radius: var(--radius-sm);
            border: 2px solid var(--primary);
            transition: all 0.3s ease;
            letter-spacing: 0.03em;
        }

        .btn-secondary:hover {
            background-color: rgba(15,58,47,0.06);
            color: var(--primary);
            transform: translateY(-2px);
        }

        .btn-secondary:focus-visible {
            outline: 3px solid rgba(15,58,47,0.25);
            outline-offset: 2px;
        }

        .btn-ghost {
            display: inline-flex;
            align-items: center;
            gap: 8px;
            background-color: transparent;
            color: #fff;
            font-weight: 600;
            font-size: 15px;
            padding: 13px 30px;
            border-radius: var(--radius-sm);
            border: 2px solid rgba(255,255,255,0.7);
            transition: all 0.3s ease;
            letter-spacing: 0.03em;
        }

        .btn-ghost:hover {
            background-color: #fff;
            color: var(--primary);
            border-color: #fff;
            transform: translateY(-2px);
        }

        .btn-ghost:focus-visible {
            outline: 3px solid rgba(255,255,255,0.4);
            outline-offset: 2px;
        }

        .btn-sm {
            display: inline-flex;
            align-items: center;
            gap: 6px;
            background-color: var(--accent);
            color: #fff;
            font-weight: 600;
            font-size: 13px;
            padding: 10px 20px;
            border-radius: var(--radius-sm);
            transition: all 0.3s ease;
            border: 1px solid var(--accent);
            letter-spacing: 0.02em;
        }

        .btn-sm:hover {
            background-color: var(--accent-hover);
            border-color: var(--accent-hover);
            color: #fff;
            transform: translateY(-1px);
            box-shadow: 0 4px 12px rgba(232,104,42,0.28);
        }

        .btn-outline-sm {
            display: inline-flex;
            align-items: center;
            gap: 6px;
            background-color: transparent;
            color: var(--primary);
            font-weight: 600;
            font-size: 13px;
            padding: 10px 20px;
            border-radius: var(--radius-sm);
            border: 1px solid var(--primary);
            transition: all 0.3s ease;
            letter-spacing: 0.02em;
        }

        .btn-outline-sm:hover {
            background-color: rgba(15,58,47,0.08);
            color: var(--primary);
            transform: translateY(-1px);
        }

        /* Navigation */
        .site-header {
            position: sticky;
            top: 0;
            z-index: 100;
            background-color: var(--primary-deep);
            min-height: var(--nav-height);
            box-shadow: 0 2px 12px rgba(0,0,0,0.22);
            display: flex;
            align-items: center;
        }

        .site-header .container-custom {
            display: flex;
            align-items: center;
            justify-content: space-between;
            width: 100%;
            gap: 20px;
            flex-wrap: nowrap;
        }

        .nav-logo {
            display: inline-flex;
            align-items: center;
            gap: 10px;
            flex-shrink: 0;
            text-decoration: none;
        }

        .nav-logo-icon {
            width: 38px;
            height: 38px;
            background-color: var(--accent);
            color: #fff;
            display: flex;
            align-items: center;
            justify-content: center;
            border-radius: 10px;
            font-weight: 900;
            font-size: 18px;
            font-family: var(--font-hero);
            letter-spacing: 0;
            box-shadow: 0 2px 8px rgba(232,104,42,0.35);
            transition: transform 0.3s ease;
        }

        .nav-logo:hover .nav-logo-icon {
            transform: scale(1.05);
        }

        .nav-logo-text {
            font-family: var(--font-hero);
            font-size: 22px;
            font-weight: 800;
            color: #fff;
            letter-spacing: 0.04em;
            white-space: nowrap;
        }

        .nav-logo-text span {
            color: var(--accent);
        }

        .nav-links {
            display: flex;
            align-items: center;
            list-style: none;
            gap: 4px;
            margin: 0;
            flex-wrap: nowrap;
        }

        .nav-links li {
            margin: 0;
            list-style: none;
        }

        .nav-links a {
            color: rgba(255,255,255,0.85);
            font-size: 14px;
            font-weight: 500;
            padding: 8px 13px;
            border-radius: 8px;
            transition: all 0.25s ease;
            letter-spacing: 0.02em;
            white-space: nowrap;
            position: relative;
        }

        .nav-links a:hover {
            color: #fff;
            background-color: rgba(255,255,255,0.1);
        }

        .nav-links a.active {
            color: var(--highlight);
            background-color: rgba(200,228,85,0.12);
            font-weight: 600;
        }

        .nav-links a.active::after {
            content: '';
            position: absolute;
            bottom: -2px;
            left: 13px;
            right: 13px;
            height: 3px;
            background-color: var(--highlight);
            border-radius: 3px 3px 0 0;
        }

        .nav-badge {
            display: inline-block;
            background-color: var(--highlight);
            color: var(--primary-deep);
            font-size: 10px;
            font-weight: 700;
            padding: 2px 6px;
            border-radius: 4px;
            margin-left: 4px;
            vertical-align: middle;
            letter-spacing: 0.04em;
        }

        .nav-cta-group {
            display: flex;
            align-items: center;
            gap: 10px;
            flex-shrink: 0;
        }

        .nav-countdown {
            display: flex;
            align-items: center;
            gap: 5px;
            color: var(--highlight);
            font-family: var(--font-mono);
            font-size: 13px;
            font-weight: 600;
            letter-spacing: 0.04em;
            background-color: rgba(200,228,85,0.1);
            padding: 6px 12px;
            border-radius: 100px;
        }

        .nav-countdown i {
            font-size: 11px;
        }

        .nav-cta-btn {
            display: inline-flex;
            align-items: center;
            gap: 6px;
            background-color: var(--accent);
            color: #fff;
            font-weight: 600;
            font-size: 13px;
            padding: 9px 18px;
            border-radius: 100px;
            border: 1px solid var(--accent);
            transition: all 0.3s ease;
            white-space: nowrap;
            letter-spacing: 0.02em;
        }

        .nav-cta-btn:hover {
            background-color: var(--accent-hover);
            border-color: var(--accent-hover);
            color: #fff;
            transform: translateY(-1px);
            box-shadow: 0 4px 14px rgba(232,104,42,0.35);
        }

        .hamburger {
            display: none;
            flex-direction: column;
            gap: 5px;
            background: none;
            border: none;
            cursor: pointer;
            padding: 6px;
            flex-shrink: 0;
        }

        .hamburger span {
            display: block;
            width: 24px;
            height: 2px;
            background-color: #fff;
            border-radius: 2px;
            transition: all 0.3s ease;
        }

        .hamburger.is-active span:nth-child(1) {
            transform: translateY(7px) rotate(45deg);
        }

        .hamburger.is-active span:nth-child(2) {
            opacity: 0;
        }

        .hamburger.is-active span:nth-child(3) {
            transform: translateY(-7px) rotate(-45deg);
        }

        .mobile-menu {
            display: none;
            position: fixed;
            top: var(--nav-height);
            left: 0;
            right: 0;
            background-color: var(--primary-deep);
            padding: 20px 24px;
            z-index: 99;
            box-shadow: 0 16px 32px rgba(0,0,0,0.3);
            border-top: 1px solid rgba(255,255,255,0.08);
        }

        .mobile-menu.is-open {
            display: block;
        }

        .mobile-menu-list {
            list-style: none;
            margin: 0;
            padding: 0;
        }

        .mobile-menu-list li {
            margin: 0;
            list-style: none;
        }

        .mobile-menu-list a {
            display: flex;
            align-items: center;
            justify-content: space-between;
            color: rgba(255,255,255,0.88);
            font-size: 15px;
            font-weight: 500;
            padding: 14px 10px;
            border-bottom: 1px solid rgba(255,255,255,0.08);
            transition: all 0.25s ease;
        }

        .mobile-menu-list a:hover,
        .mobile-menu-list a.active {
            color: var(--highlight);
            background-color: rgba(200,228,85,0.06);
        }

        .mobile-cta {
            margin-top: 16px;
            display: flex;
            gap: 10px;
        }

        /* Category Hero */
        .category-hero {
            position: relative;
            min-height: 54vh;
            display: flex;
            align-items: center;
            background-image: linear-gradient(135deg, rgba(15,58,47,0.92) 0%, rgba(10,42,34,0.86) 100%), url('/assets/images/backpic/back-1.webp');
            background-size: cover;
            background-position: center;
            padding: 72px 0 64px;
            color: #fff;
        }

        .category-hero-content {
            max-width: 800px;
        }

        .category-hero .section-tag {
            background-color: var(--highlight);
            color: var(--primary-deep);
        }

        .category-hero h1 {
            font-family: var(--font-hero);
            font-weight: 800;
            font-size: 40px;
            line-height: 1.25;
            color: #fff;
            margin-bottom: 16px;
            letter-spacing: 0.02em;
        }

        .category-hero p {
            font-size: 17px;
            color: rgba(255,255,255,0.85);
            line-height: 1.85;
            max-width: 650px;
            margin-bottom: 28px;
        }

        .hero-stats {
            display: flex;
            gap: 32px;
            flex-wrap: wrap;
            margin-top: 12px;
        }

        .hero-stat-item {
            display: flex;
            flex-direction: column;
        }

        .hero-stat-num {
            font-family: var(--font-mono);
            font-size: 22px;
            font-weight: 700;
            color: var(--highlight);
            letter-spacing: 0.04em;
        }

        .hero-stat-label {
            font-size: 13px;
            color: rgba(255,255,255,0.7);
            letter-spacing: 0.04em;
        }

        /* Filter + Card Grid */
        .experience-layout {
            display: grid;
            grid-template-columns: 260px 1fr;
            gap: 32px;
            align-items: start;
        }

        .filter-sidebar {
            background-color: #fff;
            border-radius: var(--radius-lg);
            border: 1px solid var(--border);
            padding: 24px 20px;
            position: sticky;
            top: calc(var(--nav-height) + 24px);
            box-shadow: var(--shadow-sm);
        }

        .filter-sidebar h3 {
            font-family: var(--font-hero);
            font-weight: 700;
            font-size: 17px;
            color: var(--text);
            margin-bottom: 16px;
            padding-bottom: 12px;
            border-bottom: 2px solid var(--border);
            letter-spacing: 0.02em;
        }

        .filter-group {
            margin-bottom: 20px;
        }

        .filter-group:last-child {
            margin-bottom: 0;
        }

        .filter-group label {
            display: block;
            font-size: 13px;
            font-weight: 600;
            color: var(--text);
            margin-bottom: 8px;
            letter-spacing: 0.04em;
        }

        .filter-select {
            width: 100%;
            padding: 10px 14px;
            border: 1px solid var(--border);
            border-radius: var(--radius-sm);
            background-color: var(--bg);
            color: var(--text);
            font-size: 14px;
            transition: border-color 0.25s ease, box-shadow 0.25s ease;
            appearance: none;
            background-image: url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' viewBox='0 0 24 24' fill='%235C665D'%3E%3Cpath d='M7 10l5 5 5-5z'/%3E%3C/svg%3E");
            background-repeat: no-repeat;
            background-position: right 12px center;
            background-size: 16px;
            cursor: pointer;
        }

        .filter-select:focus {
            border-color: var(--primary);
            box-shadow: 0 0 0 3px rgba(15,58,47,0.12);
            outline: none;
        }

        .filter-checkbox-group {
            display: flex;
            flex-direction: column;
            gap: 8px;
        }

        .filter-checkbox-item {
            display: flex;
            align-items: center;
            gap: 8px;
            cursor: pointer;
            font-size: 14px;
            color: var(--text-sub);
            transition: color 0.2s ease;
        }

        .filter-checkbox-item:hover {
            color: var(--primary);
        }

        .filter-checkbox-item input[type="checkbox"] {
            width: 16px;
            height: 16px;
            accent-color: var(--primary);
            cursor: pointer;
        }

        .filter-reset {
            width: 100%;
            margin-top: 14px;
            padding: 10px 0;
            background-color: transparent;
            border: 1px solid var(--border);
            border-radius: var(--radius-sm);
            color: var(--text-sub);
            font-size: 13px;
            font-weight: 500;
            transition: all 0.25s ease;
            cursor: pointer;
            letter-spacing: 0.03em;
        }

        .filter-reset:hover {
            border-color: var(--primary);
            color: var(--primary);
            background-color: rgba(15,58,47,0.04);
        }

        .exp-card-grid {
            display: grid;
            grid-template-columns: 1fr 1fr;
            gap: 24px;
        }

        .exp-card {
            background-color: #fff;
            border-radius: var(--radius-lg);
            border: 1px solid var(--border);
            overflow: hidden;
            box-shadow: var(--shadow-sm);
            transition: all 0.35s ease;
            display: flex;
            flex-direction: column;
        }

        .exp-card:hover {
            box-shadow: var(--shadow-lg);
            transform: translateY(-4px);
            border-color: rgba(15,58,47,0.2);
        }

        .exp-card-image {
            position: relative;
            height: 180px;
            overflow: hidden;
        }

        .exp-card-image img {
            width: 100%;
            height: 100%;
            object-fit: cover;
            transition: transform 0.45s ease;
        }

        .exp-card:hover .exp-card-image img {
            transform: scale(1.04);
        }

        .exp-card-badge {
            position: absolute;
            top: 12px;
            left: 12px;
            background-color: var(--highlight);
            color: var(--primary-deep);
            font-size: 11px;
            font-weight: 700;
            padding: 4px 10px;
            border-radius: 100px;
            letter-spacing: 0.05em;
        }

        .exp-card-body {
            padding: 20px 20px 18px;
            display: flex;
            flex-direction: column;
            flex: 1;
        }

        .exp-card-title {
            font-family: var(--font-hero);
            font-weight: 700;
            font-size: 18px;
            color: var(--text);
            margin-bottom: 8px;
            letter-spacing: 0.01em;
        }

        .exp-card-desc {
            font-size: 14px;
            color: var(--text-sub);
            line-height: 1.7;
            margin-bottom: 16px;
            flex: 1;
        }

        .exp-card-meta {
            display: flex;
            align-items: center;
            gap: 16px;
            font-size: 12px;
            color: var(--text-sub);
            margin-bottom: 16px;
            flex-wrap: wrap;
        }

        .exp-card-meta span {
            display: inline-flex;
            align-items: center;
            gap: 5px;
        }

        .exp-card-meta i {
            color: var(--accent);
            font-size: 11px;
        }

        .exp-card-action {
            display: flex;
            align-items: center;
            justify-content: space-between;
            gap: 10px;
        }

        .exp-card-action .btn-sm {
            flex: 1;
            justify-content: center;
        }

        .exp-card-action .btn-outline-sm {
            flex: 1;
            justify-content: center;
        }

        /* Feature highlights */
        .feature-rows {
            display: flex;
            flex-direction: column;
            gap: 28px;
        }

        .feature-row {
            display: grid;
            grid-template-columns: 1fr 1fr;
            gap: 32px;
            align-items: center;
            background-color: #fff;
            border-radius: var(--radius-lg);
            border: 1px solid var(--border);
            padding: 32px;
            box-shadow: var(--shadow-sm);
            transition: all 0.35s ease;
        }

        .feature-row:hover {
            box-shadow: var(--shadow-md);
            transform: translateY(-2px);
        }

        .feature-row:nth-child(even) {
            direction: rtl;
        }

        .feature-row:nth-child(even) > * {
            direction: ltr;
        }

        .feature-row-image {
            height: 220px;
            border-radius: var(--radius-md);
            overflow: hidden;
        }

        .feature-row-image img {
            width: 100%;
            height: 100%;
            object-fit: cover;
            transition: transform 0.4s ease;
        }

        .feature-row:hover .feature-row-image img {
            transform: scale(1.03);
        }

        .feature-row-content h3 {
            font-family: var(--font-hero);
            font-weight: 700;
            font-size: 21px;
            color: var(--text);
            margin-bottom: 10px;
            letter-spacing: 0.02em;
        }

        .feature-row-content p {
            font-size: 15px;
            color: var(--text-sub);
            line-height: 1.8;
            margin-bottom: 14px;
        }

        .feature-row-content ul {
            list-style: none;
            padding: 0;
            margin: 0 0 16px;
            display: flex;
            flex-direction: column;
            gap: 8px;
        }

        .feature-row-content ul li {
            display: flex;
            align-items: center;
            gap: 8px;
            font-size: 14px;
            color: var(--text);
        }

        .feature-row-content ul li i {
            color: var(--accent);
            font-size: 13px;
        }

        /* Brand intro */
        .brand-intro-card {
            background: linear-gradient(135deg, var(--primary-deep) 0%, var(--primary) 100%);
            border-radius: var(--radius-lg);
            padding: 48px 40px;
            color: #fff;
            display: grid;
            grid-template-columns: 1.6fr 1fr;
            gap: 32px;
            align-items: center;
            box-shadow: var(--shadow-lg);
        }

        .brand-intro-card h2 {
            font-family: var(--font-hero);
            font-weight: 800;
            font-size: 28px;
            color: #fff;
            margin-bottom: 14px;
            letter-spacing: 0.02em;
        }

        .brand-intro-card p {
            font-size: 15px;
            color: rgba(255,255,255,0.85);
            line-height: 1.85;
            margin-bottom: 12px;
        }

        .brand-intro-stats {
            display: grid;
            grid-template-columns: 1fr 1fr;
            gap: 16px;
        }

        .brand-stat-item {
            background-color: rgba(255,255,255,0.08);
            border: 1px solid rgba(255,255,255,0.12);
            border-radius: var(--radius-md);
            padding: 18px 16px;
            text-align: center;
        }

        .brand-stat-item .brand-stat-num {
            font-family: var(--font-mono);
            font-size: 26px;
            font-weight: 700;
            color: var(--highlight);
            letter-spacing: 0.04em;
        }

        .brand-stat-item .brand-stat-label {
            font-size: 12px;
            color: rgba(255,255,255,0.7);
            letter-spacing: 0.05em;
        }

        /* Testimonials */
        .testimonial-grid {
            display: grid;
            grid-template-columns: 1fr 1fr 1fr;
            gap: 20px;
        }

        .testimonial-card {
            background-color: #fff;
            border-radius: var(--radius-md);
            border: 1px solid var(--border);
            padding: 24px;
            box-shadow: var(--shadow-sm);
            transition: all 0.3s ease;
            display: flex;
            flex-direction: column;
            gap: 12px;
        }

        .testimonial-card:hover {
            box-shadow: var(--shadow-md);
            transform: translateY(-2px);
        }

        .testimonial-card p {
            font-size: 14px;
            color: var(--text);
            line-height: 1.75;
            flex: 1;
        }

        .testimonial-author {
            display: flex;
            align-items: center;
            gap: 10px;
            padding-top: 12px;
            border-top: 1px solid var(--border);
        }

        .testimonial-avatar {
            width: 36px;
            height: 36px;
            border-radius: 50%;
            background-color: var(--primary-light);
            color: #fff;
            display: flex;
            align-items: center;
            justify-content: center;
            font-size: 15px;
            font-weight: 700;
            flex-shrink: 0;
        }

        .testimonial-info {
            display: flex;
            flex-direction: column;
        }

        .testimonial-info strong {
            font-size: 13px;
            color: var(--text);
            font-weight: 600;
        }

        .testimonial-info span {
            font-size: 12px;
            color: var(--text-sub);
        }

        /* FAQ */
        .faq-list {
            max-width: 800px;
            margin: 0 auto;
        }

        .faq-item {
            background-color: #fff;
            border: 1px solid var(--border);
            border-radius: var(--radius-md);
            margin-bottom: 12px;
            overflow: hidden;
            transition: all 0.3s ease;
            box-shadow: var(--shadow-sm);
        }

        .faq-item:hover {
            border-color: rgba(15,58,47,0.25);
        }

        .faq-item.is-open {
            border-color: var(--accent);
            box-shadow: var(--shadow-md);
        }

        .faq-question {
            display: flex;
            align-items: center;
            justify-content: space-between;
            gap: 16px;
            padding: 16px 20px;
            cursor: pointer;
            font-size: 15px;
            font-weight: 600;
            color: var(--text);
            font-family: var(--font-hero);
            letter-spacing: 0.01em;
            transition: color 0.25s ease;
            text-align: left;
            width: 100%;
            background: none;
            border: none;
        }

        .faq-question:hover {
            color: var(--primary);
        }

        .faq-toggle-icon {
            flex-shrink: 0;
            width: 26px;
            height: 26px;
            display: flex;
            align-items: center;
            justify-content: center;
            border-radius: 50%;
            background-color: rgba(15,58,47,0.06);
            color: var(--primary);
            font-size: 13px;
            transition: all 0.3s ease;
        }

        .faq-item.is-open .faq-toggle-icon {
            background-color: var(--accent);
            color: #fff;
            transform: rotate(45deg);
        }

        .faq-answer {
            max-height: 0;
            overflow: hidden;
            transition: max-height 0.4s ease, padding 0.3s ease;
            padding: 0 20px;
            font-size: 14px;
            color: var(--text-sub);
            line-height: 1.75;
        }

        .faq-item.is-open .faq-answer {
            max-height: 400px;
            padding: 0 20px 18px;
        }

        /* Partner tags */
        .partner-tag-grid {
            display: grid;
            grid-template-columns: repeat(3, 1fr);
            gap: 16px;
        }

        .partner-tag {
            background-color: #fff;
            border: 1px solid var(--border);
            border-radius: var(--radius-md);
            padding: 18px 18px;
            display: flex;
            align-items: center;
            gap: 12px;
            transition: all 0.3s ease;
            box-shadow: var(--shadow-sm);
        }

        .partner-tag:hover {
            border-color: var(--primary);
            box-shadow: var(--shadow-md);
            transform: translateY(-2px);
        }

        .partner-tag-icon {
            width: 40px;
            height: 40px;
            border-radius: 10px;
            background-color: rgba(15,58,47,0.06);
            display: flex;
            align-items: center;
            justify-content: center;
            color: var(--primary);
            font-size: 17px;
            flex-shrink: 0;
        }

        .partner-tag-text strong {
            display: block;
            font-size: 14px;
            color: var(--text);
            font-weight: 600;
            letter-spacing: 0.01em;
        }

        .partner-tag-text span {
            font-size: 12px;
            color: var(--text-sub);
            line-height: 1.5;
        }

        /* CTA section */
        .cta-section {
            background: linear-gradient(135deg, var(--primary-deep) 0%, var(--primary) 60%);
            border-radius: var(--radius-lg);
            padding: 48px 40px;
            color: #fff;
            text-align: center;
            box-shadow: var(--shadow-lg);
            position: relative;
            overflow: hidden;
        }

        .cta-section::before {
            content: '';
            position: absolute;
            top: -50%;
            right: -20%;
            width: 400px;
            height: 400px;
            border-radius: 50%;
            background-color: rgba(200,228,85,0.06);
            pointer-events: none;
        }

        .cta-section h2 {
            font-family: var(--font-hero);
            font-weight: 800;
            font-size: 28px;
            color: #fff;
            margin-bottom: 12px;
            letter-spacing: 0.02em;
            position: relative;
            z-index: 1;
        }

        .cta-section p {
            font-size: 15px;
            color: rgba(255,255,255,0.82);
            line-height: 1.8;
            max-width: 560px;
            margin: 0 auto 24px;
            position: relative;
            z-index: 1;
        }

        .cta-section .cta-btn-group {
            display: flex;
            justify-content: center;
            gap: 14px;
            flex-wrap: wrap;
            position: relative;
            z-index: 1;
        }

        /* Sticky bottom bar */
        .sticky-bottom-bar {
            display: none;
            position: fixed;
            bottom: 0;
            left: 0;
            right: 0;
            background-color: var(--primary-deep);
            padding: 10px 16px;
            z-index: 90;
            box-shadow: 0 -4px 20px rgba(0,0,0,0.25);
            align-items: center;
            justify-content: space-between;
            gap: 12px;
            min-height: 56px;
        }

        .sticky-bottom-bar .sticky-text {
            font-size: 13px;
            color: rgba(255,255,255,0.85);
            font-weight: 500;
            letter-spacing: 0.02em;
        }

        .sticky-bottom-bar .btn-sm {
            white-space: nowrap;
        }

        .desktop-fab {
            display: none;
            position: fixed;
            bottom: 24px;
            right: 24px;
            z-index: 90;
        }

        .desktop-fab .btn-primary {
            border-radius: 100px;
            padding: 14px 24px;
            box-shadow: 0 8px 24px rgba(232,104,42,0.4);
            font-size: 14px;
        }

        /* Footer */
        .site-footer {
            background-color: var(--bg-dark);
            color: rgba(255,255,255,0.8);
            padding: 56px 0 24px;
        }

        .footer-grid {
            display: grid;
            grid-template-columns: 1.8fr 1fr 1fr 1fr;
            gap: 32px;
            margin-bottom: 36px;
        }

        .footer-brand p {
            font-size: 14px;
            line-height: 1.75;
            color: rgba(255,255,255,0.68);
            margin-top: 12px;
        }

        .footer-title {
            font-size: 14px;
            font-weight: 700;
            color: #fff;
            margin-bottom: 14px;
            letter-spacing: 0.06em;
        }

        .footer-links {
            list-style: none;
            padding: 0;
            margin: 0;
        }

        .footer-links li {
            margin: 0 0 8px;
            list-style: none;
        }

        .footer-links a {
            color: rgba(255,255,255,0.65);
            font-size: 13px;
            transition: color 0.25s ease;
        }

        .footer-links a:hover {
            color: var(--accent);
        }

        .footer-bottom {
            display: flex;
            align-items: center;
            justify-content: space-between;
            flex-wrap: wrap;
            gap: 12px;
            padding-top: 20px;
            border-top: 1px solid rgba(255,255,255,0.1);
            font-size: 12px;
            color: rgba(255,255,255,0.55);
        }

        .footer-beian {
            display: flex;
            align-items: center;
            gap: 14px;
            flex-wrap: wrap;
            font-size: 12px;
            color: rgba(255,255,255,0.5);
        }

        .footer-beian a {
            color: rgba(255,255,255,0.55);
            text-decoration: none;
            transition: color 0.25s ease;
        }

        .footer-beian a:hover {
            color: var(--accent);
        }

        /* Responsive */
        @media (max-width: 1024px) {
            .site-header .container-custom {
                flex-wrap: wrap;
                gap: 10px;
            }

            .nav-links {
                order: 3;
                width: 100%;
                overflow-x: auto;
                padding-bottom: 8px;
                -webkit-overflow-scrolling: touch;
                scrollbar-width: thin;
                scrollbar-color: rgba(255,255,255,0.2) transparent;
            }

            .nav-links a {
                white-space: nowrap;
            }

            .experience-layout {
                grid-template-columns: 1fr;
            }

            .filter-sidebar {
                position: static;
                order: 1;
                display: grid;
                grid-template-columns: repeat(auto-fit, minmax(180px, 1fr));
                gap: 16px;
                padding: 20px;
            }

            .filter-sidebar h3 {
                grid-column: 1 / -1;
                margin-bottom: 0;
            }

            .filter-reset {
                grid-column: 1 / -1;
                margin-top: 0;
            }

            .exp-card-grid {
                order: 2;
            }

            .testimonial-grid {
                grid-template-columns: 1fr 1fr;
            }

            .partner-tag-grid {
                grid-template-columns: 1fr 1fr;
            }

            .brand-intro-card {
                grid-template-columns: 1fr;
                padding: 36px 28px;
            }
        }

        @media (max-width: 768px) {
            :root {
                --section-gap: 48px;
                --nav-height: 60px;
            }

            .category-hero {
                min-height: auto;
                padding: 48px 0 40px;
            }

            .category-hero h1 {
                font-size: 30px;
            }

            .category-hero p {
                font-size: 15px;
            }

            .hero-stats {
                gap: 20px;
            }

            .hero-stat-num {
                font-size: 18px;
            }

            .exp-card-grid {
                grid-template-columns: 1fr;
            }

            .feature-row {
                grid-template-columns: 1fr;
                padding: 22px;
                direction: ltr !important;
            }

            .feature-row:nth-child(even) {
                direction: ltr;
            }

            .feature-row:nth-child(even) > * {
                direction: ltr;
            }

            .feature-row-image {
                height: 180px;
            }

            .testimonial-grid {
                grid-template-columns: 1fr;
            }

            .partner-tag-grid {
                grid-template-columns: 1fr;
            }

            .cta-section {
                padding: 36px 22px;
            }

            .cta-section h2 {
                font-size: 24px;
            }

            .footer-grid {
                grid-template-columns: 1fr 1fr;
                gap: 24px;
            }

            .footer-brand {
                grid-column: 1 / -1;
            }

            .footer-bottom {
                flex-direction: column;
                align-items: flex-start;
                gap: 8px;
            }

            .footer-beian {
                flex-direction: column;
                align-items: flex-start;
                gap: 6px;
            }
        }

        @media (max-width: 640px) {
            :root {
                --section-gap: 40px;
            }

            .container-custom {
                padding-left: 16px;
                padding-right: 16px;
            }

            .nav-logo-text {
                font-size: 18px;
            }

            .nav-logo-icon {
                width: 32px;
                height: 32px;
                font-size: 15px;
            }

            .nav-cta-group .nav-countdown {
                display: none;
            }

            .nav-cta-btn {
                padding: 7px 14px;
                font-size: 12px;
            }

            .hamburger {
                display: flex;
            }

            .nav-links {
                display: none;
            }

            .mobile-menu {
                display: none;
            }

            .mobile-menu.is-open {
                display: block;
            }

            .category-hero h1 {
                font-size: 26px;
                line-height: 1.35;
            }

            .category-hero p {
                font-size: 14px;
            }

            .hero-stats {
                gap: 14px;
            }

            .hero-stat-num {
                font-size: 16px;
            }

            .hero-stat-label {
                font-size: 11px;
            }

            .exp-card-image {
                height: 160px;
            }

            .filter-sidebar {
                grid-template-columns: 1fr;
                padding: 16px;
            }

            .filter-reset {
                grid-column: auto;
            }

            .feature-row-image {
                height: 160px;
            }

            .brand-intro-card {
                padding: 28px 18px;
            }

            .brand-intro-card h2 {
                font-size: 22px;
            }

            .brand-stat-item .brand-stat-num {
                font-size: 20px;
            }

            .sticky-bottom-bar {
                display: flex;
            }

            .desktop-fab {
                display: none !important;
            }

            .section-title {
                font-size: 24px;
            }

            .footer-grid {
                grid-template-columns: 1fr;
                gap: 20px;
            }

            .footer-brand {
                grid-column: auto;
            }

            .cta-section .cta-btn-group {
                flex-direction: column;
                align-items: center;
            }

            .cta-section .cta-btn-group .btn-primary,
            .cta-section .cta-btn-group .btn-ghost {
                width: 100%;
                justify-content: center;
            }
        }

        @media (min-width: 641px) and (max-width: 1024px) {
            .sticky-bottom-bar {
                display: flex;
            }

            .desktop-fab {
                display: none !important;
            }
        }

        @media (min-width: 1025px) {
            .sticky-bottom-bar {
                display: none;
            }

            .desktop-fab {
                display: block;
            }
        }

/* roulang page: category3 */
:root {
            --primary: #0F3A2F;
            --primary-deep: #0A2A22;
            --primary-light: #1B5A47;
            --accent: #E8682A;
            --accent-hover: #C8531F;
            --highlight: #C8E455;
            --bg: #F6F2E9;
            --bg-dark: #1B1E1A;
            --text: #20231E;
            --text-sub: #5C665D;
            --border: #D9DED4;
            --radius-sm: 8px;
            --radius-md: 12px;
            --radius-lg: 16px;
            --shadow-sm: 0 2px 8px rgba(15, 58, 47, 0.08);
            --shadow-md: 0 8px 24px rgba(15, 58, 47, 0.12);
            --shadow-lg: 0 16px 40px rgba(15, 58, 47, 0.18);
            --font-hero: 'Noto Sans SC', 'Source Han Sans CN', 'Microsoft YaHei', sans-serif;
            --font-body: 'Noto Sans SC', 'Microsoft YaHei', 'PingFang SC', sans-serif;
            --font-mono: 'DIN', 'Roboto Mono', 'Courier New', monospace;
            --container-max: 1200px;
            --section-gap: 72px;
            --section-gap-mobile: 56px;
            --nav-height: 68px;
        }

        * {
            box-sizing: border-box;
            margin: 0;
            padding: 0;
        }

        html {
            scroll-behavior: smooth;
            -webkit-text-size-adjust: 100%;
        }

        body {
            font-family: var(--font-body);
            font-size: 16px;
            line-height: 1.75;
            color: var(--text);
            background-color: var(--bg);
            min-height: 100vh;
            overflow-x: hidden;
            -webkit-font-smoothing: antialiased;
            -moz-osx-font-smoothing: grayscale;
        }

        img {
            max-width: 100%;
            height: auto;
            display: block;
        }

        a {
            color: var(--primary);
            text-decoration: none;
            transition: color 0.25s ease, background-color 0.25s ease, border-color 0.25s ease, transform 0.25s ease, box-shadow 0.25s ease, opacity 0.25s ease;
        }

        a:hover {
            color: var(--accent);
        }

        button,
        input,
        select,
        textarea {
            font-family: inherit;
            font-size: inherit;
            line-height: inherit;
        }

        button {
            cursor: pointer;
            border: none;
            background: none;
        }

        .container-custom {
            max-width: var(--container-max);
            margin: 0 auto;
            padding-left: 24px;
            padding-right: 24px;
        }

        .section-gap {
            padding: var(--section-gap) 0;
        }

        .section-gap-sm {
            padding: 48px 0;
        }

        .section-title {
            font-family: var(--font-hero);
            font-weight: 700;
            font-size: 30px;
            line-height: 1.3;
            color: var(--text);
            margin-bottom: 8px;
            letter-spacing: 0.02em;
        }

        .section-desc {
            font-size: 16px;
            color: var(--text-sub);
            line-height: 1.8;
            max-width: 720px;
            margin-bottom: 40px;
        }

        .section-tag {
            display: inline-block;
            background-color: var(--highlight);
            color: var(--primary);
            font-size: 12px;
            font-weight: 600;
            padding: 4px 14px;
            border-radius: 100px;
            letter-spacing: 0.06em;
            margin-bottom: 12px;
        }

        .btn-primary {
            display: inline-flex;
            align-items: center;
            gap: 8px;
            background-color: var(--accent);
            color: #ffffff;
            font-weight: 600;
            font-size: 15px;
            padding: 14px 32px;
            border-radius: var(--radius-sm);
            transition: all 0.3s ease;
            border: 2px solid var(--accent);
            letter-spacing: 0.03em;
            cursor: pointer;
        }
        .btn-primary:hover {
            background-color: var(--accent-hover);
            border-color: var(--accent-hover);
            transform: translateY(-2px);
            box-shadow: 0 8px 20px rgba(232, 104, 42, 0.3);
            color: #ffffff;
        }
        .btn-primary:active {
            transform: translateY(0);
            box-shadow: 0 2px 8px rgba(232, 104, 42, 0.2);
        }
        .btn-primary:focus-visible {
            outline: 3px solid rgba(232, 104, 42, 0.35);
            outline-offset: 2px;
        }

        .btn-secondary {
            display: inline-flex;
            align-items: center;
            gap: 8px;
            background-color: transparent;
            color: var(--primary);
            font-weight: 600;
            font-size: 15px;
            padding: 13px 30px;
            border-radius: var(--radius-sm);
            border: 2px solid var(--primary);
            transition: all 0.3s ease;
            letter-spacing: 0.03em;
            cursor: pointer;
        }
        .btn-secondary:hover {
            background-color: rgba(15, 58, 47, 0.06);
            color: var(--primary);
            transform: translateY(-2px);
        }
        .btn-secondary:focus-visible {
            outline: 3px solid rgba(15, 58, 47, 0.25);
            outline-offset: 2px;
        }

        .btn-ghost {
            display: inline-flex;
            align-items: center;
            gap: 8px;
            background-color: transparent;
            color: #ffffff;
            font-weight: 600;
            font-size: 15px;
            padding: 13px 30px;
            border-radius: var(--radius-sm);
            border: 2px solid rgba(255, 255, 255, 0.7);
            transition: all 0.3s ease;
            letter-spacing: 0.03em;
            cursor: pointer;
        }
        .btn-ghost:hover {
            background-color: #ffffff;
            color: var(--primary);
            border-color: #ffffff;
            transform: translateY(-2px);
        }
        .btn-ghost:focus-visible {
            outline: 3px solid rgba(255, 255, 255, 0.4);
            outline-offset: 2px;
        }

        /* Navigation */
        .site-header {
            position: sticky;
            top: 0;
            z-index: 1000;
            background-color: var(--primary);
            height: var(--nav-height);
            display: flex;
            align-items: center;
            box-shadow: 0 2px 12px rgba(0, 0, 0, 0.18);
        }
        .site-header .container-custom {
            display: flex;
            align-items: center;
            justify-content: space-between;
            width: 100%;
        }
        .nav-logo {
            display: flex;
            align-items: center;
            gap: 8px;
            color: #ffffff;
            font-family: var(--font-hero);
            font-weight: 700;
            font-size: 22px;
            letter-spacing: 0.04em;
            white-space: nowrap;
        }
        .nav-logo:hover {
            color: var(--highlight);
        }
        .nav-logo-icon {
            display: inline-flex;
            align-items: center;
            justify-content: center;
            width: 36px;
            height: 36px;
            background: var(--accent);
            color: #ffffff;
            border-radius: 8px;
            font-size: 18px;
            font-weight: 700;
            flex-shrink: 0;
        }
        .nav-logo-text {
            font-size: 20px;
            font-weight: 700;
            color: #ffffff;
        }
        .nav-logo-text span {
            color: var(--highlight);
        }
        .nav-links {
            display: flex;
            align-items: center;
            gap: 8px;
            list-style: none;
            margin: 0;
            padding: 0;
        }
        .nav-links li a {
            display: flex;
            align-items: center;
            gap: 4px;
            color: rgba(255, 255, 255, 0.78);
            font-size: 14px;
            font-weight: 500;
            padding: 8px 12px;
            border-radius: 6px;
            transition: all 0.25s ease;
            letter-spacing: 0.03em;
            white-space: nowrap;
        }
        .nav-links li a:hover {
            color: #ffffff;
            background-color: rgba(255, 255, 255, 0.1);
        }
        .nav-links li a.active {
            color: var(--highlight);
            background-color: rgba(200, 228, 85, 0.12);
            font-weight: 600;
        }
        .nav-badge {
            display: inline-block;
            background-color: var(--accent);
            color: #ffffff;
            font-size: 10px;
            font-weight: 700;
            padding: 2px 7px;
            border-radius: 100px;
            letter-spacing: 0.05em;
            margin-left: 4px;
        }
        .nav-cta-group {
            display: flex;
            align-items: center;
            gap: 10px;
            flex-shrink: 0;
        }
        .nav-cta-btn {
            display: inline-flex;
            align-items: center;
            gap: 6px;
            background-color: var(--accent);
            color: #ffffff;
            font-weight: 600;
            font-size: 13px;
            padding: 9px 18px;
            border-radius: 100px;
            transition: all 0.3s ease;
            border: none;
            cursor: pointer;
            white-space: nowrap;
        }
        .nav-cta-btn:hover {
            background-color: var(--accent-hover);
            color: #ffffff;
            transform: translateY(-1px);
        }
        .nav-countdown {
            display: flex;
            align-items: center;
            gap: 6px;
            background-color: rgba(200, 228, 85, 0.15);
            color: var(--highlight);
            font-family: var(--font-mono);
            font-size: 13px;
            font-weight: 600;
            padding: 6px 14px;
            border-radius: 100px;
            border: 1px solid rgba(200, 228, 85, 0.3);
            white-space: nowrap;
        }
        .nav-countdown i {
            font-size: 12px;
        }

        /* Mobile nav toggle */
        .nav-toggle {
            display: none;
            background: none;
            border: none;
            color: #ffffff;
            font-size: 22px;
            padding: 8px;
            cursor: pointer;
            transition: color 0.25s ease;
        }
        .nav-toggle:hover {
            color: var(--highlight);
        }

        .mobile-nav {
            display: none;
            position: fixed;
            top: var(--nav-height);
            left: 0;
            right: 0;
            bottom: 0;
            background-color: var(--primary-deep);
            z-index: 999;
            padding: 24px;
            overflow-y: auto;
            flex-direction: column;
            gap: 8px;
        }
        .mobile-nav.open {
            display: flex;
        }
        .mobile-nav a {
            color: rgba(255, 255, 255, 0.85);
            font-size: 16px;
            padding: 14px 16px;
            border-radius: 8px;
            transition: all 0.25s ease;
            display: flex;
            align-items: center;
            justify-content: space-between;
        }
        .mobile-nav a:hover {
            background-color: rgba(255, 255, 255, 0.1);
            color: #ffffff;
        }
        .mobile-nav a.active {
            color: var(--highlight);
            background-color: rgba(200, 228, 85, 0.1);
            font-weight: 600;
        }
        .mobile-nav .mobile-cta {
            background-color: var(--accent);
            color: #ffffff;
            text-align: center;
            justify-content: center;
            font-weight: 600;
            padding: 14px 16px;
            border-radius: 8px;
            margin-top: 12px;
        }
        .mobile-nav .mobile-cta:hover {
            background-color: var(--accent-hover);
            color: #ffffff;
        }

        /* Hero */
        .hero-carnival {
            background-color: var(--primary-deep);
            background-image: linear-gradient(135deg, rgba(10, 42, 34, 0.95) 0%, rgba(15, 58, 47, 0.88) 55%, rgba(27, 90, 71, 0.75) 100%), url('/assets/images/backpic/back-1.webp');
            background-size: cover;
            background-position: center;
            padding: 72px 0 64px;
            color: #ffffff;
            position: relative;
        }
        .hero-carnival .container-custom {
            position: relative;
            z-index: 2;
        }
        .hero-content {
            display: grid;
            grid-template-columns: 1fr 360px;
            gap: 40px;
            align-items: center;
        }
        .hero-text h1 {
            font-family: var(--font-hero);
            font-size: 40px;
            font-weight: 700;
            color: #ffffff;
            margin-bottom: 16px;
            line-height: 1.25;
            letter-spacing: 0.02em;
        }
        .hero-text h1 .highlight-text {
            color: var(--highlight);
        }
        .hero-text .hero-sub {
            font-size: 17px;
            color: rgba(255, 255, 255, 0.82);
            line-height: 1.85;
            max-width: 560px;
            margin-bottom: 28px;
        }
        .hero-actions {
            display: flex;
            align-items: center;
            gap: 14px;
            flex-wrap: wrap;
            margin-bottom: 28px;
        }
        .hero-stats {
            display: flex;
            gap: 32px;
            flex-wrap: wrap;
        }
        .hero-stat {
            text-align: left;
        }
        .hero-stat .stat-num {
            font-family: var(--font-mono);
            font-size: 26px;
            font-weight: 700;
            color: var(--highlight);
            line-height: 1.2;
        }
        .hero-stat .stat-label {
            font-size: 12px;
            color: rgba(255, 255, 255, 0.65);
            letter-spacing: 0.04em;
        }

        /* Progress ring panel */
        .hero-progress-panel {
            background-color: rgba(255, 255, 255, 0.06);
            border: 1px solid rgba(255, 255, 255, 0.12);
            border-radius: var(--radius-lg);
            padding: 24px 20px;
            backdrop-filter: blur(4px);
        }
        .progress-ring-wrapper {
            display: flex;
            align-items: center;
            gap: 20px;
            margin-bottom: 18px;
        }
        .progress-ring {
            position: relative;
            width: 100px;
            height: 100px;
            flex-shrink: 0;
        }
        .progress-ring svg {
            width: 100%;
            height: 100%;
            transform: rotate(-90deg);
        }
        .progress-ring .ring-bg {
            fill: none;
            stroke: rgba(255, 255, 255, 0.15);
            stroke-width: 7;
        }
        .progress-ring .ring-fg {
            fill: none;
            stroke: var(--highlight);
            stroke-width: 7;
            stroke-linecap: round;
            stroke-dasharray: 283;
            stroke-dashoffset: 57;
            transition: stroke-dashoffset 1.2s ease;
        }
        .progress-ring .ring-center {
            position: absolute;
            top: 50%;
            left: 50%;
            transform: translate(-50%, -50%);
            text-align: center;
        }
        .progress-ring .ring-center .ring-pct {
            font-family: var(--font-mono);
            font-size: 20px;
            font-weight: 700;
            color: #ffffff;
            line-height: 1.1;
        }
        .progress-ring .ring-center .ring-sub {
            font-size: 10px;
            color: rgba(255, 255, 255, 0.6);
            letter-spacing: 0.04em;
        }
        .progress-info h3 {
            font-size: 15px;
            font-weight: 600;
            color: #ffffff;
            margin-bottom: 4px;
        }
        .progress-info p {
            font-size: 13px;
            color: rgba(255, 255, 255, 0.7);
            line-height: 1.6;
            margin: 0;
        }
        .progress-tiers {
            display: flex;
            flex-direction: column;
            gap: 10px;
            margin-bottom: 20px;
        }
        .progress-tier {
            display: flex;
            align-items: center;
            justify-content: space-between;
            padding: 10px 14px;
            background: rgba(255, 255, 255, 0.05);
            border-radius: 8px;
            border: 1px solid rgba(255, 255, 255, 0.1);
            transition: all 0.25s ease;
        }
        .progress-tier:hover {
            background: rgba(255, 255, 255, 0.1);
            border-color: rgba(200, 228, 85, 0.4);
        }
        .progress-tier .tier-name {
            font-size: 13px;
            font-weight: 500;
            color: rgba(255, 255, 255, 0.85);
        }
        .progress-tier .tier-status {
            font-size: 12px;
            font-weight: 600;
            color: var(--highlight);
        }
        .progress-tier .tier-status.full {
            color: rgba(255, 255, 255, 0.5);
        }
        .progress-cta {
            width: 100%;
            justify-content: center;
            font-size: 14px;
            padding: 13px 20px;
        }

        /* Left list + right image linkage */
        .linkage-section {
            background-color: #ffffff;
            border-radius: var(--radius-lg);
            box-shadow: var(--shadow-md);
            overflow: hidden;
        }
        .linkage-grid {
            display: grid;
            grid-template-columns: 1fr 1.2fr;
            gap: 0;
            min-height: 520px;
        }
        .linkage-list {
            padding: 32px 24px;
            display: flex;
            flex-direction: column;
            gap: 6px;
            max-height: 620px;
            overflow-y: auto;
            border-right: 1px solid var(--border);
            background-color: #FAF8F3;
        }
        .linkage-list::-webkit-scrollbar {
            width: 5px;
        }
        .linkage-list::-webkit-scrollbar-track {
            background: transparent;
        }
        .linkage-list::-webkit-scrollbar-thumb {
            background: rgba(15, 58, 47, 0.2);
            border-radius: 100px;
        }
        .linkage-item {
            padding: 16px 18px;
            border-radius: 10px;
            cursor: pointer;
            transition: all 0.3s ease;
            border: 2px solid transparent;
            background: transparent;
            text-align: left;
            display: block;
            width: 100%;
        }
        .linkage-item:hover {
            background-color: rgba(15, 58, 47, 0.05);
            border-color: rgba(15, 58, 47, 0.15);
        }
        .linkage-item.active {
            background-color: #ffffff;
            border-color: var(--accent);
            box-shadow: var(--shadow-sm);
        }
        .linkage-item .linkage-index {
            display: inline-block;
            font-family: var(--font-mono);
            font-size: 11px;
            font-weight: 600;
            color: var(--accent);
            letter-spacing: 0.06em;
            margin-bottom: 4px;
        }
        .linkage-item h3 {
            font-size: 16px;
            font-weight: 600;
            color: var(--text);
            margin-bottom: 4px;
            line-height: 1.4;
        }
        .linkage-item p {
            font-size: 13px;
            color: var(--text-sub);
            line-height: 1.7;
            margin: 0;
        }
        .linkage-item.active h3 {
            color: var(--primary);
        }
        .linkage-display {
            position: relative;
            background-color: var(--primary-deep);
            overflow: hidden;
            display: flex;
            align-items: stretch;
        }
        .linkage-display img {
            width: 100%;
            height: 100%;
            object-fit: cover;
            opacity: 0.9;
            transition: opacity 0.4s ease, transform 0.4s ease;
        }
        .linkage-display:hover img {
            opacity: 1;
            transform: scale(1.02);
        }
        .linkage-display .linkage-overlay {
            position: absolute;
            bottom: 0;
            left: 0;
            right: 0;
            padding: 32px 24px;
            background: linear-gradient(to top, rgba(10, 42, 34, 0.95) 0%, rgba(10, 42, 34, 0.7) 60%, transparent 100%);
            color: #ffffff;
        }
        .linkage-display .linkage-overlay h3 {
            font-size: 22px;
            font-weight: 700;
            color: #ffffff;
            margin-bottom: 8px;
        }
        .linkage-display .linkage-overlay p {
            font-size: 14px;
            color: rgba(255, 255, 255, 0.8);
            line-height: 1.75;
            margin: 0 0 12px;
            max-width: 500px;
        }
        .linkage-display .linkage-tag {
            display: inline-block;
            background-color: var(--highlight);
            color: var(--primary);
            font-size: 12px;
            font-weight: 600;
            padding: 4px 12px;
            border-radius: 100px;
            letter-spacing: 0.04em;
        }

        /* Highlights */
        .highlights-grid {
            display: grid;
            grid-template-columns: repeat(3, 1fr);
            gap: 24px;
            margin-top: 24px;
        }
        .highlight-card {
            background: #ffffff;
            border-radius: var(--radius-md);
            padding: 28px 24px;
            box-shadow: var(--shadow-sm);
            border: 1px solid var(--border);
            transition: all 0.3s ease;
        }
        .highlight-card:hover {
            box-shadow: var(--shadow-md);
            transform: translateY(-4px);
            border-color: rgba(15, 58, 47, 0.3);
        }
        .highlight-card .highlight-icon {
            width: 48px;
            height: 48px;
            background-color: rgba(15, 58, 47, 0.08);
            border-radius: 10px;
            display: flex;
            align-items: center;
            justify-content: center;
            margin-bottom: 16px;
            font-size: 20px;
            color: var(--primary);
        }
        .highlight-card h3 {
            font-size: 17px;
            font-weight: 600;
            color: var(--text);
            margin-bottom: 10px;
        }
        .highlight-card p {
            font-size: 14px;
            color: var(--text-sub);
            line-height: 1.8;
            margin: 0;
        }

        /* Venue info */
        .venue-section {
            background-color: var(--bg-dark);
            color: #ffffff;
            padding: 64px 0;
        }
        .venue-grid {
            display: grid;
            grid-template-columns: repeat(3, 1fr);
            gap: 32px;
            margin-top: 32px;
        }
        .venue-card {
            background-color: rgba(255, 255, 255, 0.05);
            border: 1px solid rgba(255, 255, 255, 0.1);
            border-radius: var(--radius-md);
            padding: 24px;
            transition: all 0.3s ease;
        }
        .venue-card:hover {
            background-color: rgba(255, 255, 255, 0.08);
            border-color: rgba(200, 228, 85, 0.3);
        }
        .venue-card .venue-icon {
            font-size: 22px;
            color: var(--highlight);
            margin-bottom: 12px;
        }
        .venue-card h3 {
            font-size: 16px;
            font-weight: 600;
            color: #ffffff;
            margin-bottom: 8px;
        }
        .venue-card p {
            font-size: 13px;
            color: rgba(255, 255, 255, 0.7);
            line-height: 1.75;
            margin: 0;
        }

        /* Timeline */
        .timeline-section {
            background-color: #ffffff;
            border-radius: var(--radius-lg);
            box-shadow: var(--shadow-sm);
            padding: 40px 32px;
            border: 1px solid var(--border);
        }
        .timeline-list {
            display: flex;
            flex-direction: column;
            gap: 0;
            margin-top: 24px;
            position: relative;
            padding-left: 32px;
        }
        .timeline-list::before {
            content: '';
            position: absolute;
            left: 14px;
            top: 8px;
            bottom: 8px;
            width: 2px;
            background-color: var(--border);
        }
        .timeline-item {
            position: relative;
            padding: 12px 0 20px;
            display: flex;
            gap: 16px;
            align-items: flex-start;
        }
        .timeline-item::before {
            content: '';
            position: absolute;
            left: -32px;
            top: 18px;
            width: 10px;
            height: 10px;
            border-radius: 50%;
            background-color: var(--accent);
            border: 2px solid #ffffff;
            box-shadow: 0 0 0 2px var(--accent);
        }
        .timeline-item .timeline-content h4 {
            font-size: 15px;
            font-weight: 600;
            color: var(--text);
            margin-bottom: 4px;
        }
        .timeline-item .timeline-content p {
            font-size: 13px;
            color: var(--text-sub);
            line-height: 1.7;
            margin: 0;
        }
        .timeline-item .timeline-date {
            font-family: var(--font-mono);
            font-size: 12px;
            font-weight: 600;
            color: var(--accent);
            white-space: nowrap;
            margin-top: 2px;
        }

        /* FAQ */
        .faq-section {
            background-color: #fff;
            border-radius: var(--radius-lg);
            box-shadow: var(--shadow-sm);
            border: 1px solid var(--border);
            padding: 40px 32px;
        }
        .faq-list {
            margin-top: 24px;
            display: flex;
            flex-direction: column;
            gap: 10px;
        }
        .faq-item {
            border: 1px solid var(--border);
            border-radius: 10px;
            background: #FAF8F3;
            overflow: hidden;
            transition: all 0.3s ease;
        }
        .faq-item.active {
            border-color: var(--accent);
            background: #ffffff;
            box-shadow: var(--shadow-sm);
        }
        .faq-question {
            width: 100%;
            text-align: left;
            padding: 16px 20px;
            font-size: 15px;
            font-weight: 600;
            color: var(--text);
            display: flex;
            align-items: center;
            justify-content: space-between;
            gap: 12px;
            background: none;
            border: none;
            cursor: pointer;
            transition: color 0.25s ease;
        }
        .faq-question:hover {
            color: var(--accent);
        }
        .faq-question .faq-icon {
            font-size: 14px;
            color: var(--text-sub);
            transition: transform 0.3s ease;
            flex-shrink: 0;
        }
        .faq-item.active .faq-question .faq-icon {
            transform: rotate(45deg);
            color: var(--accent);
        }
        .faq-answer {
            max-height: 0;
            overflow: hidden;
            transition: max-height 0.4s ease, padding 0.4s ease;
            padding: 0 20px;
        }
        .faq-item.active .faq-answer {
            max-height: 300px;
            padding: 0 20px 16px;
        }
        .faq-answer p {
            font-size: 14px;
            color: var(--text-sub);
            line-height: 1.8;
            margin: 0;
        }

        /* CTA */
        .cta-section {
            background: linear-gradient(135deg, var(--primary-deep) 0%, var(--primary) 100%);
            border-radius: var(--radius-lg);
            padding: 56px 40px;
            text-align: center;
            color: #ffffff;
            box-shadow: var(--shadow-lg);
            position: relative;
            overflow: hidden;
        }
        .cta-section::before {
            content: '';
            position: absolute;
            top: -50%;
            right: -20%;
            width: 400px;
            height: 400px;
            background: rgba(200, 228, 85, 0.08);
            border-radius: 50%;
            pointer-events: none;
        }
        .cta-section h2 {
            font-family: var(--font-hero);
            font-size: 28px;
            font-weight: 700;
            color: #ffffff;
            margin-bottom: 12px;
            position: relative;
            z-index: 2;
        }
        .cta-section p {
            font-size: 15px;
            color: rgba(255, 255, 255, 0.78);
            line-height: 1.8;
            max-width: 560px;
            margin: 0 auto 24px;
            position: relative;
            z-index: 2;
        }
        .cta-actions {
            display: flex;
            align-items: center;
            justify-content: center;
            gap: 14px;
            flex-wrap: wrap;
            position: relative;
            z-index: 2;
        }

        /* Fixed conversion bar */
        .fixed-conversion-bar {
            position: fixed;
            bottom: 24px;
            right: 24px;
            z-index: 990;
            display: flex;
            align-items: center;
            gap: 12px;
            background-color: var(--primary-deep);
            color: #ffffff;
            padding: 10px 16px 10px 20px;
            border-radius: 100px;
            box-shadow: var(--shadow-lg);
            transition: all 0.3s ease;
            border: 1px solid rgba(255, 255, 255, 0.15);
        }
        .fixed-conversion-bar:hover {
            box-shadow: 0 20px 50px rgba(15, 58, 47, 0.3);
            transform: translateY(-2px);
        }
        .fixed-conversion-bar .conv-text {
            font-size: 13px;
            color: rgba(255, 255, 255, 0.85);
            white-space: nowrap;
        }
        .fixed-conversion-bar .conv-btn {
            display: inline-flex;
            align-items: center;
            gap: 4px;
            background-color: var(--accent);
            color: #ffffff;
            font-weight: 600;
            font-size: 13px;
            padding: 9px 20px;
            border-radius: 100px;
            white-space: nowrap;
            transition: all 0.3s ease;
            border: none;
            cursor: pointer;
        }
        .fixed-conversion-bar .conv-btn:hover {
            background-color: var(--accent-hover);
            color: #ffffff;
        }

        /* Footer */
        .site-footer {
            background-color: var(--bg-dark);
            color: rgba(255, 255, 255, 0.75);
            padding: 56px 0 0;
            margin-top: 0;
        }
        .footer-grid {
            display: grid;
            grid-template-columns: 1.4fr 1fr 1fr 1fr;
            gap: 32px;
            padding-bottom: 40px;
        }
        .footer-brand p {
            font-size: 13px;
            color: rgba(255, 255, 255, 0.6);
            line-height: 1.8;
            margin-top: 12px;
            margin-bottom: 0;
        }
        .footer-title {
            font-size: 14px;
            font-weight: 600;
            color: #ffffff;
            margin-bottom: 16px;
            letter-spacing: 0.04em;
        }
        .footer-links {
            list-style: none;
            margin: 0;
            padding: 0;
            display: flex;
            flex-direction: column;
            gap: 8px;
        }
        .footer-links li a {
            font-size: 13px;
            color: rgba(255, 255, 255, 0.6);
            transition: color 0.25s ease;
        }
        .footer-links li a:hover {
            color: var(--highlight);
        }
        .footer-bottom {
            padding: 20px 0;
            border-top: 1px solid rgba(255, 255, 255, 0.1);
            display: flex;
            align-items: center;
            justify-content: space-between;
            flex-wrap: wrap;
            gap: 12px;
            font-size: 12px;
            color: rgba(255, 255, 255, 0.5);
        }
        .footer-beian {
            display: flex;
            align-items: center;
            gap: 14px;
            flex-wrap: wrap;
        }
        .footer-beian a {
            color: rgba(255, 255, 255, 0.5);
            font-size: 12px;
        }
        .footer-beian a:hover {
            color: var(--highlight);
        }

        /* Responsive */
        @media (max-width: 1024px) {
            .hero-content {
                grid-template-columns: 1fr;
                gap: 28px;
            }
            .hero-text h1 {
                font-size: 32px;
            }
            .linkage-grid {
                grid-template-columns: 1fr;
            }
            .linkage-list {
                max-height: 300px;
                border-right: none;
                border-bottom: 1px solid var(--border);
                flex-direction: row;
                overflow-x: auto;
                overflow-y: hidden;
                gap: 8px;
                padding: 16px;
            }
            .linkage-item {
                min-width: 240px;
                flex-shrink: 0;
            }
            .linkage-display {
                min-height: 360px;
            }
            .highlights-grid {
                grid-template-columns: repeat(2, 1fr);
            }
            .venue-grid {
                grid-template-columns: repeat(2, 1fr);
            }
            .footer-grid {
                grid-template-columns: 1fr 1fr;
            }
        }

        @media (max-width: 768px) {
            :root {
                --section-gap: 56px;
            }
            .nav-links {
                display: none;
            }
            .nav-cta-group .nav-countdown {
                display: none;
            }
            .nav-toggle {
                display: block;
            }
            .hero-carnival {
                padding: 48px 0;
            }
            .hero-text h1 {
                font-size: 26px;
            }
            .hero-stat .stat-num {
                font-size: 20px;
            }
            .highlights-grid {
                grid-template-columns: 1fr;
            }
            .venue-grid {
                grid-template-columns: 1fr;
            }
            .timeline-section {
                padding: 28px 20px;
            }
            .faq-section {
                padding: 28px 20px;
            }
            .cta-section {
                padding: 40px 24px;
            }
            .cta-section h2 {
                font-size: 22px;
            }
            .fixed-conversion-bar {
                left: 16px;
                right: 16px;
                bottom: 12px;
                border-radius: 12px;
                padding: 10px 14px;
                justify-content: space-between;
            }
            .fixed-conversion-bar .conv-text {
                font-size: 12px;
                white-space: normal;
            }
            .fixed-conversion-bar .conv-btn {
                font-size: 12px;
                padding: 8px 14px;
                flex-shrink: 0;
            }
            .footer-grid {
                grid-template-columns: 1fr;
                gap: 24px;
            }
            .footer-bottom {
                flex-direction: column;
                align-items: flex-start;
            }
            .section-title {
                font-size: 24px;
            }
        }

        @media (max-width: 520px) {
            :root {
                --section-gap: 44px;
            }
            .container-custom {
                padding-left: 16px;
                padding-right: 16px;
            }
            .hero-text h1 {
                font-size: 22px;
            }
            .hero-text .hero-sub {
                font-size: 14px;
            }
            .hero-actions {
                flex-direction: column;
                align-items: flex-start;
                gap: 10px;
            }
            .hero-stats {
                gap: 18px;
            }
            .progress-ring-wrapper {
                flex-direction: column;
                align-items: flex-start;
            }
            .linkage-list {
                padding: 12px;
            }
            .linkage-item {
                min-width: 200px;
                padding: 12px 14px;
            }
            .linkage-display {
                min-height: 280px;
            }
            .linkage-display .linkage-overlay {
                padding: 20px 16px;
            }
            .linkage-display .linkage-overlay h3 {
                font-size: 18px;
            }
            .timeline-list {
                padding-left: 20px;
            }
            .timeline-item::before {
                left: -20px;
                width: 8px;
                height: 8px;
            }
            .timeline-list::before {
                left: 9px;
            }
        }

/* roulang page: category4 */
/* ========== 设计系统变量 ========== */
    :root {
      --primary: #0F3A2F;
      --primary-deep: #0A2A22;
      --primary-light: #1B5A47;
      --accent: #E8682A;
      --accent-hover: #C8531F;
      --highlight: #C8E455;
      --bg: #F6F2E9;
      --bg-dark: #1B1E1A;
      --text: #20231E;
      --text-sub: #5C665D;
      --border: #D9DED4;
      --radius-sm: 8px;
      --radius-md: 12px;
      --radius-lg: 16px;
      --shadow-sm: 0 2px 8px rgba(15, 58, 47, 0.08);
      --shadow-md: 0 8px 24px rgba(15, 58, 47, 0.12);
      --shadow-lg: 0 16px 40px rgba(15, 58, 47, 0.18);
      --font-hero: 'Noto Sans SC', 'Source Han Sans CN', 'Microsoft YaHei', sans-serif;
      --font-body: 'Noto Sans SC', 'Microsoft YaHei', 'PingFang SC', sans-serif;
      --font-mono: 'DIN', 'Roboto Mono', 'Courier New', monospace;
      --container-max: 1200px;
      --section-gap: 72px;
      --section-gap-mobile: 44px;
      --nav-height: 64px;
    }
    
    /* ========== 基础重置 ========== */
    * {
      box-sizing: border-box;
      margin: 0;
      padding: 0;
    }
    html {
      scroll-behavior: smooth;
      -webkit-text-size-adjust: 100%;
    }
    body {
      font-family: var(--font-body);
      font-size: 16px;
      line-height: 1.75;
      color: var(--text);
      background-color: var(--bg);
      min-height: 100vh;
      overflow-x: hidden;
      -webkit-font-smoothing: antialiased;
      -moz-osx-font-smoothing: grayscale;
    }
    img {
      max-width: 100%;
      height: auto;
      display: block;
    }
    a {
      color: var(--primary);
      text-decoration: none;
      transition: color 0.25s ease, background-color 0.25s ease, border-color 0.25s ease, transform 0.25s ease, box-shadow 0.25s ease, opacity 0.25s ease;
    }
    a:hover {
      color: var(--accent);
    }
    button, input, select, textarea {
      font-family: inherit;
      font-size: inherit;
      line-height: inherit;
    }
    button {
      cursor: pointer;
      border: none;
      background: none;
    }
    .container-custom {
      max-width: var(--container-max);
      margin: 0 auto;
      padding-left: 24px;
      padding-right: 24px;
    }
    
    /* ========== 通用板块 ========== */
    .section-gap {
      padding: var(--section-gap) 0;
    }
    .section-gap-sm {
      padding: 48px 0;
    }
    .section-title {
      font-family: var(--font-hero);
      font-weight: 700;
      font-size: 30px;
      line-height: 1.3;
      color: var(--text);
      margin-bottom: 8px;
      letter-spacing: 0.02em;
    }
    .section-desc {
      font-size: 16px;
      color: var(--text-sub);
      line-height: 1.8;
      max-width: 720px;
      margin-bottom: 40px;
    }
    .section-tag {
      display: inline-block;
      background-color: var(--highlight);
      color: var(--primary);
      font-size: 12px;
      font-weight: 600;
      padding: 4px 14px;
      border-radius: 100px;
      letter-spacing: 0.06em;
      margin-bottom: 12px;
    }
    
    /* ========== 按钮 ========== */
    .btn-primary {
      display: inline-flex;
      align-items: center;
      gap: 8px;
      background-color: var(--accent);
      color: #ffffff;
      font-weight: 600;
      font-size: 15px;
      padding: 13px 28px;
      border-radius: var(--radius-sm);
      transition: all 0.3s ease;
      border: 2px solid var(--accent);
      letter-spacing: 0.03em;
      text-decoration: none;
    }
    .btn-primary:hover {
      background-color: var(--accent-hover);
      border-color: var(--accent-hover);
      transform: translateY(-2px);
      box-shadow: 0 8px 20px rgba(232, 104, 42, 0.3);
      color: #fff;
    }
    .btn-primary:active {
      transform: translateY(0);
      box-shadow: 0 2px 8px rgba(232, 104, 42, 0.2);
    }
    .btn-primary:focus-visible {
      outline: 3px solid rgba(232, 104, 42, 0.35);
      outline-offset: 2px;
    }
    .btn-secondary {
      display: inline-flex;
      align-items: center;
      gap: 8px;
      background-color: transparent;
      color: var(--primary);
      font-weight: 600;
      font-size: 15px;
      padding: 12px 28px;
      border-radius: var(--radius-sm);
      border: 2px solid var(--primary);
      transition: all 0.3s ease;
      letter-spacing: 0.03em;
      text-decoration: none;
    }
    .btn-secondary:hover {
      background-color: rgba(15, 58, 47, 0.06);
      color: var(--primary);
      transform: translateY(-2px);
    }
    .btn-ghost {
      display: inline-flex;
      align-items: center;
      gap: 8px;
      background-color: transparent;
      color: #fff;
      font-weight: 600;
      font-size: 15px;
      padding: 12px 28px;
      border-radius: var(--radius-sm);
      border: 2px solid rgba(255, 255, 255, 0.7);
      transition: all 0.3s ease;
      letter-spacing: 0.03em;
      text-decoration: none;
    }
    .btn-ghost:hover {
      background-color: #fff;
      color: var(--primary);
      border-color: #fff;
      transform: translateY(-2px);
    }
    
    /* ========== 头部导航 ========== */
    .site-header {
      background-color: var(--primary);
      color: #fff;
      position: sticky;
      top: 0;
      z-index: 100;
      box-shadow: 0 2px 10px rgba(0,0,0,0.15);
      height: var(--nav-height);
    }
    .header-inner {
      display: flex;
      align-items: center;
      justify-content: space-between;
      height: 100%;
      position: relative;
    }
    .nav-logo {
      display: flex;
      align-items: center;
      gap: 10px;
      text-decoration: none;
      color: #fff;
      font-family: var(--font-hero);
      font-weight: 700;
      font-size: 24px;
      letter-spacing: 0.02em;
    }
    .nav-logo-icon {
      width: 36px;
      height: 36px;
      background-color: var(--accent);
      border-radius: var(--radius-sm);
      display: inline-flex;
      align-items: center;
      justify-content: center;
      font-size: 20px;
      font-weight: 900;
      color: #fff;
    }
    .nav-logo-text {
      white-space: nowrap;
    }
    .nav-logo-text span {
      color: var(--highlight);
    }
    .nav-logo:hover {
      color: #fff;
    }
    .main-nav {
      display: flex;
      align-items: center;
    }
    .nav-links {
      display: flex;
      align-items: center;
      gap: 24px;
      list-style: none;
      margin: 0;
    }
    .nav-links li {
      position: relative;
    }
    .nav-links a {
      color: rgba(255,255,255,0.9);
      font-size: 15px;
      font-weight: 500;
      letter-spacing: 0.02em;
      padding: 6px 0;
      text-decoration: none;
      transition: color 0.25s ease;
      display: inline-flex;
      align-items: center;
      gap: 6px;
    }
    .nav-links a:hover {
      color: var(--highlight);
    }
    .nav-links a.active {
      color: var(--highlight);
      font-weight: 700;
    }
    .nav-links a.active::after {
      content: '';
      position: absolute;
      bottom: -2px;
      left: 0;
      width: 100%;
      height: 3px;
      background-color: var(--highlight);
      border-radius: 3px;
    }
    .nav-badge {
      background-color: var(--highlight);
      color: var(--primary);
      font-size: 11px;
      font-weight: 700;
      padding: 2px 8px;
      border-radius: 100px;
      letter-spacing: 0.05em;
    }
    .nav-actions {
      display: flex;
      align-items: center;
      gap: 14px;
    }
    .nav-status {
      background-color: rgba(255,255,255,0.12);
      border: 1px solid rgba(255,255,255,0.25);
      color: var(--highlight);
      font-size: 13px;
      padding: 6px 14px;
      border-radius: 100px;
      font-family: var(--font-mono);
      letter-spacing: 0.04em;
      white-space: nowrap;
    }
    .btn-nav-cta {
      background-color: var(--accent);
      color: #fff;
      font-weight: 600;
      font-size: 14px;
      padding: 9px 22px;
      border-radius: 100px;
      text-decoration: none;
      border: 2px solid var(--accent);
      transition: all 0.3s ease;
    }
    .btn-nav-cta:hover {
      background-color: var(--accent-hover);
      border-color: var(--accent-hover);
      color: #fff;
      transform: translateY(-1px);
    }
    
    /* 汉堡按钮 */
    .nav-toggle {
      display: none;
      flex-direction: column;
      gap: 5px;
      background: transparent;
      border: none;
      padding: 8px;
      cursor: pointer;
      z-index: 105;
    }
    .nav-toggle span {
      display: block;
      width: 24px;
      height: 2px;
      background-color: #fff;
      border-radius: 2px;
      transition: all 0.3s ease;
    }
    
    /* 移动抽屉 */
    .mobile-drawer {
      position: fixed;
      top: 0;
      right: -100%;
      width: 85%;
      max-width: 360px;
      height: 100vh;
      background-color: var(--primary);
      z-index: 200;
      transition: right 0.35s ease;
      display: flex;
      flex-direction: column;
      padding: 20px;
      box-shadow: -4px 0 30px rgba(0,0,0,0.2);
    }
    .mobile-drawer.open {
      right: 0;
    }
    .mobile-drawer-header {
      display: flex;
      align-items: center;
      justify-content: space-between;
      margin-bottom: 30px;
    }
    .mobile-drawer .nav-logo {
      color: #fff;
    }
    .mobile-drawer-close {
      font-size: 24px;
      color: #fff;
      background: transparent;
      border: none;
    }
    .mobile-drawer-links {
      list-style: none;
      margin: 0;
      padding: 0;
    }
    .mobile-drawer-links li {
      margin-bottom: 8px;
    }
    .mobile-drawer-links a {
      color: #fff;
      font-size: 18px;
      font-weight: 500;
      display: block;
      padding: 10px 0;
      border-bottom: 1px solid rgba(255,255,255,0.1);
      text-decoration: none;
    }
    .mobile-drawer-links a.active {
      color: var(--highlight);
      font-weight: 700;
    }
    .mobile-drawer-cta {
      margin-top: auto;
    }
    .drawer-overlay {
      position: fixed;
      top: 0;
      left: 0;
      width: 100%;
      height: 100vh;
      background-color: rgba(0,0,0,0.5);
      z-index: 150;
      opacity: 0;
      pointer-events: none;
      transition: opacity 0.3s ease;
    }
    .drawer-overlay.active {
      opacity: 1;
      pointer-events: auto;
    }
    
    /* ========== Hero 对比选型 ========== */
    .hero-points {
      background-color: var(--primary);
      background-image: linear-gradient(135deg, #0F3A2F 0%, #0A2A22 100%);
      position: relative;
      overflow: hidden;
      padding: 60px 0;
    }
    .hero-points::before {
      content: '';
      position: absolute;
      top: -50%;
      right: -10%;
      width: 600px;
      height: 600px;
      background: radial-gradient(circle, rgba(232,104,42,0.25) 0%, transparent 70%);
      pointer-events: none;
    }
    .hero-points .container-custom {
      position: relative;
      z-index: 1;
    }
    .hero-badge {
      display: inline-block;
      background-color: var(--highlight);
      color: var(--primary);
      font-size: 13px;
      font-weight: 700;
      padding: 4px 16px;
      border-radius: 100px;
      letter-spacing: 0.06em;
      margin-bottom: 16px;
    }
    .hero-points h1 {
      font-family: var(--font-hero);
      font-size: 38px;
      font-weight: 900;
      color: #fff;
      letter-spacing: 0.02em;
      line-height: 1.25;
      margin-bottom: 16px;
    }
    .hero-points h1 span {
      color: var(--highlight);
    }
    .hero-subtitle {
      color: rgba(255,255,255,0.85);
      font-size: 17px;
      max-width: 700px;
      line-height: 1.8;
      margin-bottom: 32px;
    }
    .hero-actions {
      display: flex;
      flex-wrap: wrap;
      gap: 14px;
      margin-bottom: 40px;
    }
    .hero-points .btn-primary,
    .hero-points .btn-ghost {
      min-width: 140px;
    }
    
    /* 对比选型卡片 */
    .plan-comparison {
      display: grid;
      grid-template-columns: repeat(3, 1fr);
      gap: 24px;
      align-items: stretch;
      margin-top: 20px;
    }
    .plan-card {
      background: #fff;
      border-radius: var(--radius-md);
      padding: 28px 20px;
      box-shadow: var(--shadow-md);
      display: flex;
      flex-direction: column;
      transition: all 0.3s ease;
      position: relative;
      border: 1px solid var(--border);
    }
    .plan-card:hover {
      transform: translateY(-6px);
      box-shadow: var(--shadow-lg);
    }
    .plan-card.recommend {
      background-color: var(--highlight);
      border: 2px solid var(--accent);
      transform: scale(1.03);
      box-shadow: 0 0 0 6px rgba(232,104,42,0.12), var(--shadow-lg);
      z-index: 2;
    }
    .plan-card.recommend:hover {
      transform: scale(1.03) translateY(-4px);
    }
    .plan-badge {
      position: absolute;
      top: -12px;
      right: 16px;
      background-color: var(--accent);
      color: #fff;
      font-size: 12px;
      font-weight: 700;
      padding: 4px 14px;
      border-radius: 100px;
      letter-spacing: 0.04em;
    }
    .plan-name {
      font-family: var(--font-hero);
      font-size: 20px;
      font-weight: 700;
      color: var(--primary);
      margin-bottom: 8px;
    }
    .plan-points {
      font-family: var(--font-mono);
      font-size: 28px;
      font-weight: 700;
      color: var(--accent);
      margin-bottom: 16px;
    }
    .plan-points small {
      font-size: 14px;
      color: var(--text-sub);
      font-weight: 400;
    }
    .plan-features {
      list-style: none;
      margin: 0 0 20px 0;
      padding: 0;
      flex: 1;
    }
    .plan-features li {
      font-size: 14px;
      color: var(--text-sub);
      padding: 6px 0;
      display: flex;
      align-items: center;
      gap: 8px;
      border-bottom: 1px dashed var(--border);
    }
    .plan-features li:last-child {
      border-bottom: none;
    }
    .plan-features i {
      color: var(--primary);
      font-size: 14px;
      width: 18px;
      text-align: center;
    }
    .plan-card.recommend .plan-features i {
      color: var(--accent);
    }
    .plan-btn {
      margin-top: auto;
    }
    
    /* ========== 横向滚动卡片带 ========== */
    .scroll-cards-wrapper {
      overflow-x: auto;
      padding: 8px 0 24px;
      scrollbar-width: thin;
      scrollbar-color: var(--primary) var(--border);
    }
    .scroll-cards-wrapper::-webkit-scrollbar {
      height: 6px;
    }
    .scroll-cards-wrapper::-webkit-scrollbar-thumb {
      background-color: var(--primary);
      border-radius: 6px;
    }
    .scroll-cards {
      display: flex;
      gap: 20px;
      width: max-content;
      padding: 0 24px;
    }
    .scroll-card {
      width: 280px;
      flex-shrink: 0;
      background: #fff;
      border-radius: var(--radius-md);
      overflow: hidden;
      box-shadow: var(--shadow-sm);
      transition: all 0.3s ease;
      border: 1px solid var(--border);
    }
    .scroll-card:hover {
      box-shadow: var(--shadow-md);
      transform: translateY(-4px);
    }
    .scroll-card-img {
      height: 160px;
      overflow: hidden;
    }
    .scroll-card-img img {
      width: 100%;
      height: 100%;
      object-fit: cover;
      transition: transform 0.4s ease;
    }
    .scroll-card:hover .scroll-card-img img {
      transform: scale(1.05);
    }
    .scroll-card-body {
      padding: 18px 16px;
    }
    .scroll-card-title {
      font-family: var(--font-hero);
      font-size: 17px;
      font-weight: 700;
      color: var(--text);
      margin-bottom: 6px;
    }
    .scroll-card-desc {
      font-size: 13px;
      color: var(--text-sub);
      line-height: 1.6;
      margin-bottom: 12px;
    }
    .scroll-card-meta {
      display: flex;
      justify-content: space-between;
      align-items: center;
      font-size: 13px;
    }
    .scroll-card-points {
      color: var(--accent);
      font-weight: 700;
      font-family: var(--font-mono);
    }
    .scroll-card-btn {
      background-color: var(--primary);
      color: #fff;
      font-size: 13px;
      padding: 6px 14px;
      border-radius: 100px;
      text-decoration: none;
      transition: all 0.3s ease;
    }
    .scroll-card-btn:hover {
      background-color: var(--accent);
      color: #fff;
    }
    
    /* ========== 图文摘要列表 ========== */
    .summary-list {
      display: flex;
      flex-direction: column;
      gap: 32px;
    }
    .summary-item {
      display: flex;
      gap: 24px;
      align-items: center;
      background: #fff;
      border-radius: var(--radius-md);
      padding: 24px;
      box-shadow: var(--shadow-sm);
      transition: all 0.3s ease;
    }
    .summary-item:hover {
      box-shadow: var(--shadow-md);
      transform: translateY(-2px);
    }
    .summary-item.reverse {
      flex-direction: row-reverse;
    }
    .summary-img {
      flex: 0 0 45%;
      border-radius: var(--radius-sm);
      overflow: hidden;
      height: 220px;
    }
    .summary-img img {
      width: 100%;
      height: 100%;
      object-fit: cover;
    }
    .summary-content {
      flex: 1;
    }
    .summary-title {
      font-family: var(--font-hero);
      font-size: 22px;
      font-weight: 700;
      color: var(--text);
      margin-bottom: 10px;
    }
    .summary-desc {
      font-size: 15px;
      color: var(--text-sub);
      line-height: 1.8;
      margin-bottom: 16px;
    }
    .summary-list-point {
      display: inline-flex;
      align-items: center;
      gap: 6px;
      background-color: var(--highlight);
      color: var(--primary);
      font-size: 12px;
      font-weight: 600;
      padding: 4px 12px;
      border-radius: 100px;
      margin-right: 8px;
      margin-bottom: 8px;
    }
    
    /* ========== 流程步骤 ========== */
    .steps-grid {
      display: grid;
      grid-template-columns: repeat(4, 1fr);
      gap: 20px;
    }
    .step-card {
      background: #fff;
      border-radius: var(--radius-md);
      padding: 28px 20px;
      text-align: center;
      box-shadow: var(--shadow-sm);
      transition: all 0.3s ease;
      border: 1px solid var(--border);
    }
    .step-card:hover {
      box-shadow: var(--shadow-md);
      transform: translateY(-4px);
    }
    .step-number {
      width: 48px;
      height: 48px;
      background-color: var(--primary);
      color: #fff;
      font-size: 20px;
      font-weight: 700;
      border-radius: 50%;
      display: inline-flex;
      align-items: center;
      justify-content: center;
      margin-bottom: 14px;
      font-family: var(--font-mono);
    }
    .step-title {
      font-family: var(--font-hero);
      font-size: 18px;
      font-weight: 700;
      margin-bottom: 8px;
    }
    .step-desc {
      font-size: 14px;
      color: var(--text-sub);
      line-height: 1.7;
    }
    
    /* ========== FAQ ========== */
    .faq-list {
      max-width: 800px;
      margin: 0 auto;
    }
    .faq-item {
      background: #fff;
      border-radius: var(--radius-sm);
      margin-bottom: 12px;
      box-shadow: var(--shadow-sm);
      border: 1px solid var(--border);
      transition: all 0.3s ease;
    }
    .faq-item.open {
      border-color: var(--accent);
      box-shadow: var(--shadow-md);
    }
    .faq-question {
      padding: 18px 24px;
      display: flex;
      align-items: center;
      justify-content: space-between;
      cursor: pointer;
      font-weight: 600;
      font-size: 16px;
      color: var(--text);
      user-select: none;
      transition: color 0.2s ease;
    }
    .faq-question:hover {
      color: var(--accent);
    }
    .faq-icon {
      font-size: 20px;
      transition: transform 0.3s ease;
      color: var(--accent);
    }
    .faq-item.open .faq-icon {
      transform: rotate(45deg);
    }
    .faq-answer {
      max-height: 0;
      overflow: hidden;
      transition: max-height 0.4s ease, padding 0.3s ease;
      padding: 0 24px;
      color: var(--text-sub);
      font-size: 15px;
      line-height: 1.8;
    }
    .faq-item.open .faq-answer {
      max-height: 300px;
      padding: 0 24px 18px;
    }
    
    /* ========== CTA 区块 ========== */
    .cta-banner {
      background: var(--primary);
      border-radius: var(--radius-lg);
      padding: 48px 40px;
      color: #fff;
      display: flex;
      align-items: center;
      justify-content: space-between;
      gap: 32px;
      flex-wrap: wrap;
      position: relative;
      overflow: hidden;
    }
    .cta-banner::after {
      content: '';
      position: absolute;
      top: -20%;
      right: -5%;
      width: 300px;
      height: 300px;
      background: radial-gradient(circle, rgba(200,228,85,0.2) 0%, transparent 70%);
      pointer-events: none;
    }
    .cta-banner h2 {
      font-family: var(--font-hero);
      font-size: 28px;
      font-weight: 700;
      margin-bottom: 8px;
      color: #fff;
    }
    .cta-banner p {
      color: rgba(255,255,255,0.85);
      font-size: 16px;
      max-width: 500px;
      margin-bottom: 0;
    }
    .cta-banner .btn-primary {
      z-index: 1;
    }
    
    /* ========== 底部固定转化条 ========== */
    .floating-cta-mobile {
      display: none;
      position: fixed;
      bottom: 0;
      left: 0;
      right: 0;
      background-color: var(--primary);
      box-shadow: 0 -4px 20px rgba(0,0,0,0.15);
      z-index: 90;
      padding: 10px 16px;
    }
    .floating-cta-mobile .inner {
      display: flex;
      align-items: center;
      justify-content: space-between;
      gap: 12px;
      max-width: var(--container-max);
      margin: 0 auto;
    }
    .floating-cta-mobile p {
      color: #fff;
      font-size: 14px;
      margin: 0;
      line-height: 1.4;
    }
    .floating-cta-mobile .btn-primary {
      padding: 10px 20px;
      font-size: 14px;
      white-space: nowrap;
    }
    .floating-cta-desktop {
      position: fixed;
      bottom: 24px;
      right: 24px;
      z-index: 90;
      display: block;
    }
    .floating-cta-desktop .btn-primary {
      box-shadow: var(--shadow-lg);
      padding: 14px 28px;
      border-radius: 100px;
    }
    
    /* ========== 页脚 ========== */
    .site-footer {
      background-color: var(--bg-dark);
      color: #fff;
      padding: 60px 0 20px;
      margin-top: var(--section-gap);
    }
    .footer-grid {
      display: grid;
      grid-template-columns: 2fr 1fr 1fr 1fr;
      gap: 40px;
      margin-bottom: 40px;
    }
    .footer-brand p {
      color: rgba(255,255,255,0.75);
      font-size: 14px;
      line-height: 1.8;
      margin-top: 12px;
      max-width: 300px;
    }
    .footer-title {
      font-size: 16px;
      font-weight: 700;
      margin-bottom: 16px;
      color: #fff;
      letter-spacing: 0.04em;
    }
    .footer-links {
      list-style: none;
      margin: 0;
      padding: 0;
    }
    .footer-links li {
      margin-bottom: 10px;
    }
    .footer-links a {
      color: rgba(255,255,255,0.7);
      font-size: 14px;
      text-decoration: none;
      transition: color 0.25s ease;
    }
    .footer-links a:hover {
      color: var(--highlight);
    }
    .footer-bottom {
      border-top: 1px solid rgba(255,255,255,0.15);
      padding-top: 20px;
      display: flex;
      justify-content: space-between;
      align-items: center;
      flex-wrap: wrap;
      gap: 12px;
      font-size: 13px;
      color: rgba(255,255,255,0.6);
    }
    .footer-beian {
      display: flex;
      flex-wrap: wrap;
      gap: 16px;
    }
    .footer-beian a {
      color: rgba(255,255,255,0.6);
      text-decoration: none;
    }
    .footer-beian a:hover {
      color: var(--highlight);
    }
    
    /* ========== 响应式设计 ========== */
    @media (max-width: 1024px) {
      :root {
        --section-gap: 56px;
        --nav-height: 60px;
      }
      .hero-points h1 {
        font-size: 32px;
      }
      .plan-comparison {
        grid-template-columns: repeat(2, 1fr);
      }
      .plan-card.recommend {
        transform: scale(1);
      }
      .steps-grid {
        grid-template-columns: repeat(2, 1fr);
      }
      .footer-grid {
        grid-template-columns: 1fr 1fr;
        gap: 28px;
      }
      .floating-cta-mobile {
        display: none;
      }
      .floating-cta-desktop {
        display: block;
      }
    }
    
    @media (max-width: 768px) {
      :root {
        --section-gap: 44px;
        --nav-height: 56px;
      }
      .nav-links,
      .nav-actions .nav-status,
      .nav-actions .btn-nav-cta {
        display: none;
      }
      .nav-toggle {
        display: flex;
      }
      .hero-points {
        padding: 40px 0;
      }
      .hero-points h1 {
        font-size: 28px;
        line-height: 1.3;
      }
      .hero-subtitle {
        font-size: 15px;
      }
      .plan-comparison {
        grid-template-columns: 1fr;
      }
      .plan-card.recommend {
        transform: scale(1);
        margin: 6px 0;
      }
      .summary-item,
      .summary-item.reverse {
        flex-direction: column;
      }
      .summary-img {
        flex: 0 0 auto;
        width: 100%;
        height: 180px;
      }
      .steps-grid {
        grid-template-columns: 1fr;
      }
      .cta-banner {
        flex-direction: column;
        text-align: center;
        padding: 36px 24px;
      }
      .footer-grid {
        grid-template-columns: 1fr;
        gap: 24px;
      }
      .footer-bottom {
        flex-direction: column;
        text-align: center;
      }
      .footer-beian {
        justify-content: center;
      }
      .floating-cta-desktop {
        display: none;
      }
      .floating-cta-mobile {
        display: block;
      }
      body {
        padding-bottom: 70px; /* 为底部固定条留空间 */
      }
    }
    
    @media (max-width: 520px) {
      .container-custom {
        padding-left: 16px;
        padding-right: 16px;
      }
      .section-title {
        font-size: 24px;
      }
      .hero-points h1 {
        font-size: 24px;
      }
      .hero-actions .btn-primary,
      .hero-actions .btn-ghost {
        width: 100%;
        justify-content: center;
      }
      .scroll-card {
        width: 240px;
      }
      .scroll-card-img {
        height: 130px;
      }
    }

/* roulang page: category5 */
:root {
            --primary: #0F3A2F;
            --primary-deep: #0A2A22;
            --primary-light: #1B5A47;
            --accent: #E8682A;
            --accent-hover: #C8531F;
            --highlight: #C8E455;
            --bg: #F6F2E9;
            --bg-dark: #1B1E1A;
            --text: #20231E;
            --text-sub: #5C665D;
            --border: #D9DED4;
            --radius-sm: 8px;
            --radius-md: 12px;
            --radius-lg: 16px;
            --shadow-sm: 0 2px 8px rgba(15, 58, 47, 0.08);
            --shadow-md: 0 8px 24px rgba(15, 58, 47, 0.12);
            --shadow-lg: 0 16px 40px rgba(15, 58, 47, 0.18);
            --font-hero: 'Noto Sans SC', 'Source Han Sans CN', 'Microsoft YaHei', sans-serif;
            --font-body: 'Noto Sans SC', 'Microsoft YaHei', 'PingFang SC', sans-serif;
            --font-mono: 'DIN', 'Roboto Mono', 'Courier New', monospace;
            --container-max: 1200px;
            --section-gap: 72px;
            --section-gap-mobile: 64px;
            --nav-height: 68px;
        }

        html {
            scroll-behavior: smooth;
            -webkit-text-size-adjust: 100%;
        }

        body {
            font-family: var(--font-body);
            font-size: 16px;
            line-height: 1.75;
            color: var(--text);
            background-color: var(--bg);
            min-height: 100vh;
            overflow-x: hidden;
            -webkit-font-smoothing: antialiased;
            -moz-osx-font-smoothing: grayscale;
        }

        img {
            max-width: 100%;
            height: auto;
            display: block;
        }

        a {
            color: var(--primary);
            text-decoration: none;
            transition: color 0.25s ease, background-color 0.25s ease, border-color 0.25s ease, transform 0.25s ease, box-shadow 0.25s ease, opacity 0.25s ease;
        }

        a:hover {
            color: var(--accent);
        }

        button,
        input,
        select,
        textarea {
            font-family: inherit;
            font-size: inherit;
            line-height: inherit;
        }

        button {
            cursor: pointer;
            border: none;
            background: none;
        }

        .container-custom {
            max-width: var(--container-max);
            margin: 0 auto;
            padding-left: 24px;
            padding-right: 24px;
        }

        .section-gap {
            padding: var(--section-gap) 0;
        }

        .section-gap-sm {
            padding: 48px 0;
        }

        .section-tag {
            display: inline-block;
            background-color: var(--highlight);
            color: var(--primary);
            font-size: 12px;
            font-weight: 600;
            padding: 4px 12px;
            border-radius: 100px;
            letter-spacing: 0.06em;
            margin-bottom: 12px;
        }

        .section-title {
            font-family: var(--font-hero);
            font-weight: 700;
            font-size: 30px;
            line-height: 1.35;
            color: var(--text);
            margin-bottom: 8px;
            letter-spacing: 0.02em;
        }

        .section-desc {
            font-size: 16px;
            color: var(--text-sub);
            line-height: 1.8;
            max-width: 720px;
            margin-bottom: 40px;
        }

        .btn-primary {
            display: inline-flex;
            align-items: center;
            gap: 8px;
            background-color: var(--accent);
            color: #ffffff;
            font-weight: 600;
            font-size: 15px;
            padding: 14px 32px;
            border-radius: var(--radius-sm);
            transition: all 0.3s ease;
            border: 2px solid var(--accent);
            letter-spacing: 0.03em;
        }

        .btn-primary:hover {
            background-color: var(--accent-hover);
            border-color: var(--accent-hover);
            transform: translateY(-2px);
            box-shadow: 0 8px 20px rgba(232, 104, 42, 0.3);
            color: #ffffff;
        }

        .btn-primary:active {
            transform: translateY(0);
            box-shadow: 0 2px 8px rgba(232, 104, 42, 0.2);
        }

        .btn-primary:focus-visible {
            outline: 3px solid rgba(232, 104, 42, 0.35);
            outline-offset: 2px;
        }

        .btn-secondary {
            display: inline-flex;
            align-items: center;
            gap: 8px;
            background-color: transparent;
            color: var(--primary);
            font-weight: 600;
            font-size: 15px;
            padding: 13px 30px;
            border-radius: var(--radius-sm);
            border: 2px solid var(--primary);
            transition: all 0.3s ease;
            letter-spacing: 0.03em;
        }

        .btn-secondary:hover {
            background-color: rgba(15, 58, 47, 0.06);
            color: var(--primary);
            transform: translateY(-2px);
        }

        .btn-secondary:focus-visible {
            outline: 3px solid rgba(15, 58, 47, 0.25);
            outline-offset: 2px;
        }

        .btn-ghost {
            display: inline-flex;
            align-items: center;
            gap: 8px;
            background-color: transparent;
            color: #ffffff;
            font-weight: 600;
            font-size: 15px;
            padding: 13px 30px;
            border-radius: var(--radius-sm);
            border: 2px solid rgba(255, 255, 255, 0.7);
            transition: all 0.3s ease;
            letter-spacing: 0.03em;
        }

        .btn-ghost:hover {
            background-color: #ffffff;
            color: var(--primary);
            border-color: #ffffff;
            transform: translateY(-2px);
        }

        .btn-ghost:focus-visible {
            outline: 3px solid rgba(255, 255, 255, 0.4);
            outline-offset: 2px;
        }

        /* Header & Navigation */
        .site-header {
            background-color: var(--primary);
            position: sticky;
            top: 0;
            z-index: 100;
            box-shadow: 0 2px 16px rgba(0, 0, 0, 0.18);
            height: var(--nav-height);
        }

        .site-header .container-custom {
            display: flex;
            align-items: center;
            justify-content: space-between;
            height: 100%;
        }

        .nav-logo {
            display: flex;
            align-items: center;
            gap: 10px;
            flex-shrink: 0;
        }

        .nav-logo-icon {
            display: inline-flex;
            align-items: center;
            justify-content: center;
            width: 38px;
            height: 38px;
            background-color: var(--accent);
            color: #fff;
            font-family: var(--font-hero);
            font-weight: 700;
            font-size: 18px;
            border-radius: 8px;
            letter-spacing: 0;
        }

        .nav-logo-text {
            font-family: var(--font-hero);
            font-weight: 700;
            font-size: 22px;
            color: #ffffff;
            line-height: 1.2;
            letter-spacing: 0.02em;
        }

        .nav-logo-text span {
            color: var(--highlight);
        }

        .nav-links {
            display: flex;
            align-items: center;
            list-style: none;
            margin: 0;
            gap: 6px;
        }

        .nav-links li {
            margin: 0;
        }

        .nav-links a {
            display: inline-flex;
            align-items: center;
            gap: 6px;
            color: rgba(255, 255, 255, 0.85);
            font-size: 15px;
            font-weight: 500;
            padding: 8px 12px;
            border-radius: 6px;
            transition: all 0.25s ease;
            letter-spacing: 0.02em;
            white-space: nowrap;
        }

        .nav-links a:hover {
            color: #ffffff;
            background-color: rgba(255, 255, 255, 0.08);
        }

        .nav-links a.active {
            color: var(--highlight);
            background-color: rgba(200, 228, 85, 0.12);
        }

        .nav-badge {
            display: inline-block;
            background-color: var(--accent);
            color: #fff;
            font-size: 10px;
            font-weight: 700;
            padding: 2px 6px;
            border-radius: 100px;
            letter-spacing: 0.04em;
            line-height: 1.4;
        }

        .nav-right {
            display: flex;
            align-items: center;
            gap: 12px;
            flex-shrink: 0;
        }

        .nav-countdown {
            display: flex;
            align-items: center;
            gap: 6px;
            font-family: var(--font-mono);
            font-size: 13px;
            color: var(--highlight);
            background-color: rgba(200, 228, 85, 0.1);
            padding: 6px 12px;
            border-radius: 100px;
            border: 1px solid rgba(200, 228, 85, 0.25);
            font-weight: 600;
        }

        .nav-countdown i {
            font-size: 12px;
        }

        .nav-cta {
            background-color: var(--accent);
            color: #fff;
            font-size: 14px;
            font-weight: 600;
            padding: 10px 22px;
            border-radius: 100px;
            transition: all 0.3s ease;
            white-space: nowrap;
        }

        .nav-cta:hover {
            background-color: var(--accent-hover);
            color: #fff;
            transform: translateY(-1px);
            box-shadow: 0 4px 14px rgba(232, 104, 42, 0.35);
        }

        .nav-toggle {
            display: none;
            flex-direction: column;
            gap: 4px;
            background: none;
            border: none;
            padding: 8px;
            cursor: pointer;
        }

        .nav-toggle span {
            display: block;
            width: 24px;
            height: 2px;
            background-color: #fff;
            border-radius: 2px;
            transition: all 0.3s ease;
        }

        /* Hero Banner */
        .hero-banner {
            position: relative;
            min-height: 520px;
            display: flex;
            align-items: center;
            background-image: url('/assets/images/backpic/back-1.webp');
            background-size: cover;
            background-position: center;
            overflow: hidden;
        }

        .hero-banner::before {
            content: '';
            position: absolute;
            inset: 0;
            background: linear-gradient(180deg, rgba(10, 42, 34, 0.85) 0%, rgba(15, 58, 47, 0.75) 50%, rgba(15, 58, 47, 0.9) 100%);
            z-index: 1;
        }

        .hero-banner .container-custom {
            position: relative;
            z-index: 2;
            width: 100%;
        }

        .hero-content {
            max-width: 680px;
            padding: 64px 0;
        }

        .hero-badge {
            display: inline-flex;
            align-items: center;
            gap: 6px;
            background-color: rgba(200, 228, 85, 0.15);
            color: var(--highlight);
            font-size: 13px;
            font-weight: 600;
            padding: 6px 16px;
            border-radius: 100px;
            border: 1px solid rgba(200, 228, 85, 0.3);
            margin-bottom: 16px;
            letter-spacing: 0.05em;
        }

        .hero-banner h1 {
            font-family: var(--font-hero);
            font-weight: 700;
            font-size: 44px;
            line-height: 1.25;
            color: #ffffff;
            margin-bottom: 16px;
            letter-spacing: 0.02em;
        }

        .hero-banner h1 .highlight-text {
            color: var(--highlight);
        }

        .hero-banner .hero-sub {
            font-size: 18px;
            line-height: 1.8;
            color: rgba(255, 255, 255, 0.85);
            margin-bottom: 32px;
            max-width: 560px;
        }

        .hero-actions {
            display: flex;
            align-items: center;
            gap: 14px;
            flex-wrap: wrap;
            margin-bottom: 32px;
        }

        .hero-stats {
            display: flex;
            gap: 28px;
            flex-wrap: wrap;
        }

        .hero-stat {
            display: flex;
            flex-direction: column;
            gap: 2px;
        }

        .hero-stat-num {
            font-family: var(--font-mono);
            font-size: 28px;
            font-weight: 700;
            color: var(--highlight);
            line-height: 1.2;
        }

        .hero-stat-label {
            font-size: 13px;
            color: rgba(255, 255, 255, 0.7);
            letter-spacing: 0.03em;
        }

        /* Growth Level Overview */
        .levels-overview {
            background-color: #fff;
            border-radius: var(--radius-lg);
            box-shadow: var(--shadow-md);
            padding: 40px;
            margin-top: -60px;
            position: relative;
            z-index: 10;
        }

        .level-grid {
            display: grid;
            grid-template-columns: repeat(5, 1fr);
            gap: 20px;
        }

        .level-item {
            text-align: center;
            padding: 20px 16px;
            border-radius: var(--radius-md);
            border: 1px solid var(--border);
            transition: all 0.3s ease;
            background-color: var(--bg);
        }

        .level-item:hover {
            transform: translateY(-4px);
            box-shadow: var(--shadow-md);
            border-color: var(--primary-light);
        }

        .level-item.featured {
            background-color: var(--primary);
            border-color: var(--primary);
            color: #fff;
        }

        .level-item.featured .level-name {
            color: #fff;
        }

        .level-item.featured .level-desc {
            color: rgba(255, 255, 255, 0.75);
        }

        .level-icon {
            font-size: 28px;
            margin-bottom: 10px;
            color: var(--accent);
        }

        .level-item.featured .level-icon {
            color: var(--highlight);
        }

        .level-name {
            font-family: var(--font-hero);
            font-weight: 700;
            font-size: 16px;
            color: var(--text);
            margin-bottom: 4px;
            line-height: 1.3;
        }

        .level-desc {
            font-size: 13px;
            color: var(--text-sub);
            line-height: 1.5;
        }

        /* Feature cards with visual weight */
        .growth-features {
            background-color: var(--bg);
        }

        .features-flex {
            display: flex;
            gap: 24px;
            align-items: stretch;
        }

        .feature-card {
            flex: 1;
            background-color: #fff;
            border-radius: var(--radius-md);
            padding: 28px 24px;
            box-shadow: var(--shadow-sm);
            transition: all 0.35s ease;
            border: 1px solid var(--border);
            display: flex;
            flex-direction: column;
            gap: 12px;
        }

        .feature-card:hover {
            transform: translateY(-4px);
            box-shadow: var(--shadow-lg);
            border-color: var(--primary-light);
        }

        .feature-card.featured {
            flex: 1.3;
            background-color: var(--primary);
            border-color: var(--primary);
            color: #fff;
            position: relative;
        }

        .feature-card.featured::after {
            content: '推荐';
            position: absolute;
            top: 16px;
            right: 16px;
            background-color: var(--highlight);
            color: var(--primary);
            font-size: 11px;
            font-weight: 700;
            padding: 3px 10px;
            border-radius: 100px;
            letter-spacing: 0.04em;
        }

        .feature-card.featured .feature-title {
            color: #fff;
        }

        .feature-card.featured .feature-desc {
            color: rgba(255, 255, 255, 0.8);
        }

        .feature-icon {
            display: inline-flex;
            align-items: center;
            justify-content: center;
            width: 48px;
            height: 48px;
            border-radius: 12px;
            background-color: rgba(232, 104, 42, 0.1);
            color: var(--accent);
            font-size: 22px;
            margin-bottom: 4px;
        }

        .feature-card.featured .feature-icon {
            background-color: rgba(200, 228, 85, 0.15);
            color: var(--highlight);
        }

        .feature-title {
            font-family: var(--font-hero);
            font-weight: 700;
            font-size: 18px;
            color: var(--text);
            line-height: 1.4;
        }

        .feature-desc {
            font-size: 14px;
            color: var(--text-sub);
            line-height: 1.7;
        }

        /* Two-column mixed layout */
        .mix-section {
            background-color: #fff;
            border-top: 1px solid var(--border);
            border-bottom: 1px solid var(--border);
        }

        .mix-block {
            display: grid;
            grid-template-columns: 1fr 1fr;
            gap: 48px;
            align-items: center;
            padding: 40px 0;
        }

        .mix-block.reverse .mix-image {
            order: 2;
        }

        .mix-block.reverse .mix-text {
            order: 1;
        }

        .mix-image {
            border-radius: var(--radius-lg);
            overflow: hidden;
            box-shadow: var(--shadow-md);
            position: relative;
        }

        .mix-image img {
            width: 100%;
            height: 320px;
            object-fit: cover;
            transition: transform 0.4s ease;
        }

        .mix-image:hover img {
            transform: scale(1.03);
        }

        .mix-image .image-label {
            position: absolute;
            bottom: 16px;
            left: 16px;
            background-color: rgba(15, 58, 47, 0.85);
            color: #fff;
            font-size: 13px;
            font-weight: 600;
            padding: 6px 14px;
            border-radius: 6px;
            letter-spacing: 0.03em;
            z-index: 2;
        }

        .mix-text .mix-step {
            display: inline-flex;
            align-items: center;
            gap: 6px;
            font-family: var(--font-mono);
            font-size: 13px;
            color: var(--accent);
            font-weight: 600;
            margin-bottom: 8px;
            letter-spacing: 0.06em;
        }

        .mix-text h3 {
            font-family: var(--font-hero);
            font-weight: 700;
            font-size: 24px;
            color: var(--text);
            line-height: 1.4;
            margin-bottom: 12px;
        }

        .mix-text p {
            font-size: 15px;
            color: var(--text-sub);
            line-height: 1.8;
            margin-bottom: 16px;
        }

        .mix-list {
            list-style: none;
            margin: 0 0 16px 0;
            padding: 0;
        }

        .mix-list li {
            display: flex;
            align-items: flex-start;
            gap: 10px;
            margin-bottom: 8px;
            font-size: 14px;
            color: var(--text);
            line-height: 1.6;
        }

        .mix-list li i {
            color: var(--accent);
            font-size: 14px;
            margin-top: 4px;
            flex-shrink: 0;
        }

        /* Progress Section */
        .progress-section {
            background-color: var(--bg-dark);
            color: #fff;
        }

        .progress-section .section-title {
            color: #fff;
        }

        .progress-section .section-desc {
            color: rgba(255, 255, 255, 0.7);
        }

        .progress-grid {
            display: grid;
            grid-template-columns: repeat(3, 1fr);
            gap: 24px;
        }

        .progress-card {
            background-color: rgba(255, 255, 255, 0.05);
            border: 1px solid rgba(255, 255, 255, 0.12);
            border-radius: var(--radius-md);
            padding: 28px 24px;
            text-align: center;
            transition: all 0.3s ease;
        }

        .progress-card:hover {
            background-color: rgba(255, 255, 255, 0.08);
            transform: translateY(-3px);
        }

        .progress-num {
            font-family: var(--font-mono);
            font-size: 36px;
            font-weight: 700;
            color: var(--highlight);
            line-height: 1.2;
            margin-bottom: 8px;
        }

        .progress-label {
            font-size: 15px;
            font-weight: 600;
            color: #fff;
            margin-bottom: 4px;
        }

        .progress-desc {
            font-size: 13px;
            color: rgba(255, 255, 255, 0.65);
            line-height: 1.6;
        }

        /* FAQ Section */
        .faq-section {
            background-color: var(--bg);
        }

        .faq-container {
            max-width: 800px;
            margin: 0 auto;
        }

        .accordion {
            border: none;
            margin: 0;
        }

        .accordion-item {
            border: 1px solid var(--border);
            border-radius: var(--radius-md);
            margin-bottom: 12px;
            overflow: hidden;
            background-color: #fff;
            transition: all 0.3s ease;
        }

        .accordion-item:hover {
            border-color: var(--primary-light);
        }

        .accordion-title {
            font-size: 16px;
            font-weight: 600;
            color: var(--text);
            padding: 18px 24px;
            background: none;
            border: none;
            width: 100%;
            text-align: left;
            cursor: pointer;
            display: flex;
            align-items: center;
            justify-content: space-between;
            gap: 12px;
            transition: color 0.25s ease;
        }

        .accordion-title:hover {
            color: var(--accent);
        }

        .accordion-title .faq-icon {
            color: var(--accent);
            font-size: 14px;
            transition: transform 0.3s ease;
            flex-shrink: 0;
        }

        .accordion-item.is-active .accordion-title {
            color: var(--primary);
        }

        .accordion-item.is-active .accordion-title .faq-icon {
            transform: rotate(45deg);
            color: var(--accent);
        }

        .accordion-item.is-active {
            border-color: var(--accent);
            box-shadow: var(--shadow-sm);
        }

        .accordion-content {
            display: none;
            padding: 0 24px 20px;
            font-size: 15px;
            color: var(--text-sub);
            line-height: 1.8;
        }

        .accordion-item.is-active .accordion-content {
            display: block;
        }

        /* CTA Section */
        .cta-section {
            background: linear-gradient(135deg, var(--primary) 0%, var(--primary-deep) 100%);
            color: #fff;
            text-align: center;
            padding: 64px 0;
        }

        .cta-section h2 {
            font-family: var(--font-hero);
            font-weight: 700;
            font-size: 32px;
            color: #fff;
            line-height: 1.4;
            margin-bottom: 12px;
        }

        .cta-section p {
            font-size: 16px;
            color: rgba(255, 255, 255, 0.8);
            line-height: 1.8;
            max-width: 560px;
            margin: 0 auto 28px;
        }

        .cta-actions {
            display: flex;
            justify-content: center;
            gap: 14px;
            flex-wrap: wrap;
        }

        /* Bottom Fixed Conversion Bar */
        .fixed-cta-bar {
            position: fixed;
            bottom: 0;
            left: 0;
            right: 0;
            background-color: var(--primary);
            color: #fff;
            padding: 12px 24px;
            display: flex;
            align-items: center;
            justify-content: space-between;
            gap: 16px;
            z-index: 90;
            box-shadow: 0 -4px 20px rgba(0, 0, 0, 0.2);
            height: 64px;
        }

        .fixed-cta-bar .bar-text {
            font-size: 14px;
            color: rgba(255, 255, 255, 0.85);
            font-weight: 500;
            letter-spacing: 0.02em;
        }

        .fixed-cta-bar .bar-text strong {
            color: var(--highlight);
            font-weight: 700;
        }

        .fixed-cta-bar .bar-btn {
            background-color: var(--accent);
            color: #fff;
            font-size: 14px;
            font-weight: 600;
            padding: 10px 24px;
            border-radius: 100px;
            transition: all 0.3s ease;
            white-space: nowrap;
            flex-shrink: 0;
        }

        .fixed-cta-bar .bar-btn:hover {
            background-color: var(--accent-hover);
            color: #fff;
            transform: translateY(-1px);
        }

        /* Footer */
        .site-footer {
            background-color: var(--bg-dark);
            color: rgba(255, 255, 255, 0.8);
            padding: 48px 0 24px;
            margin-bottom: 64px;
        }

        .site-footer .footer-grid {
            display: grid;
            grid-template-columns: 2fr 1fr 1fr 1fr;
            gap: 36px;
            margin-bottom: 32px;
        }

        .site-footer .footer-brand p {
            font-size: 14px;
            color: rgba(255, 255, 255, 0.65);
            line-height: 1.7;
            margin-top: 12px;
            max-width: 320px;
        }

        .site-footer .footer-title {
            font-family: var(--font-hero);
            font-weight: 700;
            font-size: 15px;
            color: #fff;
            margin-bottom: 14px;
            letter-spacing: 0.03em;
        }

        .footer-links {
            list-style: none;
            margin: 0;
            padding: 0;
        }

        .footer-links li {
            margin-bottom: 8px;
        }

        .footer-links a {
            color: rgba(255, 255, 255, 0.65);
            font-size: 14px;
            transition: color 0.25s ease;
        }

        .footer-links a:hover {
            color: var(--accent);
        }

        .footer-bottom {
            border-top: 1px solid rgba(255, 255, 255, 0.1);
            padding-top: 20px;
            display: flex;
            justify-content: space-between;
            align-items: center;
            flex-wrap: wrap;
            gap: 12px;
            font-size: 13px;
            color: rgba(255, 255, 255, 0.55);
        }

        .footer-beian {
            display: flex;
            align-items: center;
            gap: 12px;
            flex-wrap: wrap;
        }

        .footer-beian a {
            color: rgba(255, 255, 255, 0.55);
            font-size: 13px;
        }

        .footer-beian a:hover {
            color: var(--accent);
        }

        /* Responsive */
        @media (max-width: 1024px) {
            .level-grid {
                grid-template-columns: repeat(3, 1fr);
                gap: 16px;
            }
            .level-item:nth-child(4),
            .level-item:nth-child(5) {
                grid-column: span 1;
            }
            .features-flex {
                flex-direction: column;
                gap: 16px;
            }
            .feature-card.featured {
                flex: 1;
            }
            .progress-grid {
                grid-template-columns: repeat(3, 1fr);
                gap: 16px;
            }
        }

        @media (max-width: 768px) {
            :root {
                --section-gap: 48px;
                --nav-height: 60px;
            }
            .site-header .container-custom {
                flex-wrap: nowrap;
            }
            .nav-links {
                display: none;
                position: absolute;
                top: var(--nav-height);
                left: 0;
                right: 0;
                background-color: var(--primary);
                flex-direction: column;
                align-items: stretch;
                padding: 16px 24px;
                gap: 4px;
                box-shadow: 0 8px 24px rgba(0, 0, 0, 0.2);
            }
            .nav-links.open {
                display: flex;
            }
            .nav-links a {
                padding: 12px 8px;
                font-size: 16px;
                border-bottom: 1px solid rgba(255, 255, 255, 0.08);
            }
            .nav-toggle {
                display: flex;
            }
            .nav-right .nav-cta {
                display: none;
            }
            .hero-banner {
                min-height: 440px;
            }
            .hero-banner h1 {
                font-size: 30px;
            }
            .hero-content {
                padding: 40px 0;
            }
            .hero-actions {
                flex-direction: column;
                align-items: flex-start;
            }
            .hero-stats {
                gap: 16px;
            }
            .levels-overview {
                padding: 24px 16px;
                margin-top: -40px;
            }
            .level-grid {
                grid-template-columns: repeat(2, 1fr);
                gap: 12px;
            }
            .level-item:nth-child(5) {
                grid-column: span 2;
            }
            .mix-block {
                grid-template-columns: 1fr;
                gap: 24px;
                padding: 24px 0;
            }
            .mix-block.reverse .mix-image {
                order: 1;
            }
            .mix-block.reverse .mix-text {
                order: 2;
            }
            .mix-image img {
                height: 220px;
            }
            .progress-grid {
                grid-template-columns: 1fr 1fr;
                gap: 12px;
            }
            .progress-card:last-child {
                grid-column: span 2;
            }
            .site-footer .footer-grid {
                grid-template-columns: 1fr 1fr;
                gap: 24px;
            }
            .footer-bottom {
                flex-direction: column;
                align-items: flex-start;
                gap: 8px;
            }
            .fixed-cta-bar {
                height: auto;
                flex-wrap: wrap;
                padding: 10px 16px;
            }
            .section-title {
                font-size: 24px;
            }
        }

        @media (max-width: 520px) {
            :root {
                --section-gap: 36px;
            }
            .container-custom {
                padding-left: 16px;
                padding-right: 16px;
            }
            .nav-logo-text {
                font-size: 18px;
            }
            .hero-banner {
                min-height: 400px;
            }
            .hero-banner h1 {
                font-size: 26px;
            }
            .hero-banner .hero-sub {
                font-size: 15px;
            }
            .hero-stats {
                gap: 12px;
                flex-wrap: wrap;
            }
            .hero-stat-num {
                font-size: 22px;
            }
            .level-grid {
                grid-template-columns: 1fr;
                gap: 8px;
            }
            .level-item:nth-child(5) {
                grid-column: span 1;
            }
            .mix-text h3 {
                font-size: 20px;
            }
            .progress-grid {
                grid-template-columns: 1fr;
                gap: 10px;
            }
            .progress-card:last-child {
                grid-column: span 1;
            }
            .site-footer .footer-grid {
                grid-template-columns: 1fr;
                gap: 20px;
            }
            .cta-section h2 {
                font-size: 24px;
            }
            .btn-primary,
            .btn-secondary,
            .btn-ghost {
                font-size: 14px;
                padding: 12px 24px;
                width: 100%;
                justify-content: center;
            }
            .fixed-cta-bar {
                flex-direction: column;
                align-items: stretch;
                gap: 8px;
                text-align: center;
            }
        }

/* roulang page: category6 */
:root {
        --primary: #0F3A2F;
        --primary-deep: #0A2A22;
        --primary-light: #1B5A47;
        --primary-soft: #E8F0EB;
        --accent: #E8682A;
        --accent-hover: #C8531F;
        --accent-soft: #FDE8DC;
        --highlight: #C8E455;
        --highlight-soft: #F3F9D8;
        --bg: #F6F2E9;
        --bg-dark: #1B1E1A;
        --bg-card: #FFFFFF;
        --text: #20231E;
        --text-sub: #5C665D;
        --text-light: #8A938B;
        --border: #D9DED4;
        --border-light: #EAEDE6;
        --radius-sm: 8px;
        --radius-md: 12px;
        --radius-lg: 16px;
        --radius-xl: 24px;
        --shadow-sm: 0 2px 8px rgba(15, 58, 47, 0.08);
        --shadow-md: 0 8px 24px rgba(15, 58, 47, 0.12);
        --shadow-lg: 0 16px 40px rgba(15, 58, 47, 0.18);
        --shadow-accent: 0 8px 20px rgba(232, 104, 42, 0.3);
        --font-hero: 'Noto Sans SC', 'Source Han Sans CN', 'Microsoft YaHei', sans-serif;
        --font-body: 'Noto Sans SC', 'Microsoft YaHei', 'PingFang SC', sans-serif;
        --font-mono: 'DIN', 'Roboto Mono', 'Courier New', monospace;
        --container-max: 1200px;
        --section-gap: 72px;
        --section-gap-mobile: 48px;
        --nav-height: 68px;
        --transition: 0.25s cubic-bezier(0.4, 0, 0.2, 1);
    }

    *,
    *::before,
    *::after {
        box-sizing: border-box;
        margin: 0;
        padding: 0;
    }

    html {
        scroll-behavior: smooth;
        -webkit-text-size-adjust: 100%;
        scroll-padding-top: var(--nav-height);
    }

    body {
        font-family: var(--font-body);
        font-size: 16px;
        line-height: 1.75;
        color: var(--text);
        background-color: var(--bg);
        min-height: 100vh;
        overflow-x: hidden;
        -webkit-font-smoothing: antialiased;
        -moz-osx-font-smoothing: grayscale;
    }

    img {
        max-width: 100%;
        height: auto;
        display: block;
    }

    a {
        color: var(--primary);
        text-decoration: none;
        transition: color var(--transition), background-color var(--transition), border-color var(--transition), transform var(--transition), box-shadow var(--transition), opacity var(--transition);
    }

    a:hover {
        color: var(--accent);
    }

    button,
    input,
    select,
    textarea {
        font-family: inherit;
        font-size: inherit;
        line-height: inherit;
    }

    button {
        cursor: pointer;
        border: none;
        background: none;
    }

    ul,
    ol {
        list-style: none;
    }

    .container-custom {
        max-width: var(--container-max);
        margin: 0 auto;
        padding-left: 24px;
        padding-right: 24px;
    }

    .section-gap {
        padding: var(--section-gap) 0;
    }

    .section-gap-sm {
        padding: 48px 0;
    }

    .section-title {
        font-family: var(--font-hero);
        font-weight: 700;
        font-size: 30px;
        line-height: 1.35;
        color: var(--text);
        margin-bottom: 8px;
        letter-spacing: 0.02em;
    }

    .section-desc {
        font-size: 16px;
        color: var(--text-sub);
        line-height: 1.85;
        max-width: 720px;
        margin-bottom: 36px;
    }

    .section-tag {
        display: inline-block;
        background-color: var(--highlight);
        color: var(--primary);
        font-size: 12px;
        font-weight: 700;
        padding: 4px 14px;
        border-radius: 100px;
        letter-spacing: 0.08em;
        margin-bottom: 12px;
        text-transform: uppercase;
    }

    .section-tag--accent {
        background-color: var(--accent-soft);
        color: var(--accent-hover);
    }

    .btn-primary {
        display: inline-flex;
        align-items: center;
        gap: 8px;
        background-color: var(--accent);
        color: #ffffff;
        font-weight: 600;
        font-size: 15px;
        padding: 14px 32px;
        border-radius: var(--radius-sm);
        transition: all var(--transition);
        border: 2px solid var(--accent);
        letter-spacing: 0.03em;
        cursor: pointer;
        white-space: nowrap;
    }

    .btn-primary:hover {
        background-color: var(--accent-hover);
        border-color: var(--accent-hover);
        transform: translateY(-2px);
        box-shadow: var(--shadow-accent);
        color: #ffffff;
    }

    .btn-primary:active {
        transform: translateY(0);
        box-shadow: 0 2px 8px rgba(232, 104, 42, 0.2);
    }

    .btn-primary:focus-visible {
        outline: 3px solid rgba(232, 104, 42, 0.35);
        outline-offset: 2px;
    }

    .btn-secondary {
        display: inline-flex;
        align-items: center;
        gap: 8px;
        background-color: transparent;
        color: var(--primary);
        font-weight: 600;
        font-size: 15px;
        padding: 13px 30px;
        border-radius: var(--radius-sm);
        border: 2px solid var(--primary);
        transition: all var(--transition);
        letter-spacing: 0.03em;
        cursor: pointer;
        white-space: nowrap;
    }

    .btn-secondary:hover {
        background-color: rgba(15, 58, 47, 0.06);
        color: var(--primary);
        transform: translateY(-2px);
    }

    .btn-secondary:focus-visible {
        outline: 3px solid rgba(15, 58, 47, 0.25);
        outline-offset: 2px;
    }

    .btn-ghost {
        display: inline-flex;
        align-items: center;
        gap: 8px;
        background-color: transparent;
        color: #ffffff;
        font-weight: 600;
        font-size: 15px;
        padding: 13px 30px;
        border-radius: var(--radius-sm);
        border: 2px solid rgba(255, 255, 255, 0.7);
        transition: all var(--transition);
        letter-spacing: 0.03em;
        cursor: pointer;
        white-space: nowrap;
    }

    .btn-ghost:hover {
        background-color: #ffffff;
        color: var(--primary);
        border-color: #ffffff;
        transform: translateY(-2px);
    }

    .btn-ghost:focus-visible {
        outline: 3px solid rgba(255, 255, 255, 0.4);
        outline-offset: 2px;
    }

    .btn-sm {
        padding: 10px 20px;
        font-size: 13px;
        border-radius: 6px;
    }

    .btn-lg {
        padding: 16px 40px;
        font-size: 16px;
    }

    /* Header / Nav */
    .site-header {
        position: sticky;
        top: 0;
        z-index: 1000;
        background-color: var(--primary);
        height: var(--nav-height);
        display: flex;
        align-items: center;
        box-shadow: 0 2px 12px rgba(0, 0, 0, 0.15);
    }

    .site-header .container-custom {
        display: flex;
        align-items: center;
        justify-content: space-between;
        width: 100%;
    }

    .nav-logo {
        display: inline-flex;
        align-items: center;
        gap: 10px;
        color: #ffffff;
        font-family: var(--font-hero);
        font-weight: 700;
        font-size: 22px;
        letter-spacing: 0.02em;
        flex-shrink: 0;
    }

    .nav-logo:hover {
        color: #ffffff;
        opacity: 0.9;
    }

    .nav-logo-icon {
        display: inline-flex;
        align-items: center;
        justify-content: center;
        width: 36px;
        height: 36px;
        background-color: var(--accent);
        color: #ffffff;
        border-radius: 8px;
        font-size: 18px;
        font-weight: 700;
        flex-shrink: 0;
    }

    .nav-logo-text {
        display: inline-flex;
        align-items: baseline;
    }

    .nav-logo-text span {
        color: var(--highlight);
        font-weight: 900;
    }

    .nav-links {
        display: flex;
        align-items: center;
        gap: 4px;
    }

    .nav-links li a {
        display: inline-flex;
        align-items: center;
        gap: 4px;
        color: rgba(255, 255, 255, 0.85);
        font-size: 15px;
        font-weight: 500;
        padding: 8px 14px;
        border-radius: 6px;
        letter-spacing: 0.02em;
        position: relative;
        transition: all var(--transition);
        white-space: nowrap;
    }

    .nav-links li a:hover {
        color: #ffffff;
        background-color: rgba(255, 255, 255, 0.1);
    }

    .nav-links li a.active {
        color: #ffffff;
        background-color: rgba(232, 104, 42, 0.25);
        font-weight: 600;
    }

    .nav-links li a.active::after {
        content: '';
        position: absolute;
        bottom: 2px;
        left: 50%;
        transform: translateX(-50%);
        width: 20px;
        height: 2px;
        background-color: var(--highlight);
        border-radius: 2px;
    }

    .nav-badge {
        display: inline-flex;
        align-items: center;
        background-color: var(--accent);
        color: #ffffff;
        font-size: 10px;
        font-weight: 700;
        padding: 2px 6px;
        border-radius: 100px;
        letter-spacing: 0.04em;
        line-height: 1.2;
    }

    .nav-cta-group {
        display: flex;
        align-items: center;
        gap: 10px;
        flex-shrink: 0;
    }

    .nav-countdown {
        display: flex;
        align-items: center;
        gap: 6px;
        background-color: rgba(255, 255, 255, 0.1);
        border: 1px solid rgba(255, 255, 255, 0.15);
        padding: 6px 12px;
        border-radius: 100px;
        font-family: var(--font-mono);
        font-size: 13px;
        color: var(--highlight);
        letter-spacing: 0.05em;
    }

    .nav-status-badge {
        display: inline-flex;
        align-items: center;
        gap: 6px;
        background-color: var(--highlight);
        color: var(--primary);
        font-size: 12px;
        font-weight: 700;
        padding: 5px 12px;
        border-radius: 100px;
        letter-spacing: 0.04em;
        white-space: nowrap;
    }

    .nav-status-badge i {
        font-size: 10px;
    }

    .nav-toggle {
        display: none;
        background: none;
        border: none;
        color: #ffffff;
        font-size: 24px;
        padding: 8px;
        cursor: pointer;
        transition: color var(--transition);
    }

    .nav-toggle:hover {
        color: var(--highlight);
    }

    /* Mobile nav drawer */
    .mobile-nav {
        display: none;
        position: fixed;
        top: var(--nav-height);
        left: 0;
        right: 0;
        bottom: 0;
        background-color: var(--primary-deep);
        z-index: 999;
        padding: 24px;
        overflow-y: auto;
        transform: translateX(-100%);
        transition: transform 0.3s ease;
    }

    .mobile-nav.open {
        transform: translateX(0);
    }

    .mobile-nav ul li a {
        display: flex;
        align-items: center;
        justify-content: space-between;
        color: rgba(255, 255, 255, 0.9);
        font-size: 18px;
        font-weight: 500;
        padding: 16px 8px;
        border-bottom: 1px solid rgba(255, 255, 255, 0.1);
        transition: color var(--transition);
    }

    .mobile-nav ul li a:hover,
    .mobile-nav ul li a.active {
        color: var(--highlight);
    }

    .mobile-nav .mobile-cta {
        margin-top: 24px;
        display: flex;
        flex-direction: column;
        gap: 12px;
    }

    /* Hero / Banner */
    .page-hero {
        background-color: var(--primary-deep);
        background-image: linear-gradient(rgba(10, 42, 34, 0.82), rgba(10, 42, 34, 0.92)), url('/assets/images/backpic/back-2.webp');
        background-size: cover;
        background-position: center;
        padding: 72px 0 56px;
        color: #ffffff;
        position: relative;
        overflow: hidden;
    }

    .page-hero::after {
        content: '';
        position: absolute;
        bottom: 0;
        left: 0;
        right: 0;
        height: 4px;
        background: linear-gradient(90deg, var(--accent), var(--highlight), var(--accent));
    }

    .page-hero .container-custom {
        position: relative;
        z-index: 1;
    }

    .page-hero-badge {
        display: inline-flex;
        align-items: center;
        gap: 8px;
        background-color: rgba(200, 228, 69, 0.15);
        border: 1px solid rgba(200, 228, 69, 0.35);
        color: var(--highlight);
        font-size: 13px;
        font-weight: 600;
        padding: 6px 16px;
        border-radius: 100px;
        letter-spacing: 0.06em;
        margin-bottom: 18px;
    }

    .page-hero h1 {
        font-family: var(--font-hero);
        font-weight: 900;
        font-size: 40px;
        line-height: 1.25;
        color: #ffffff;
        margin-bottom: 16px;
        letter-spacing: 0.01em;
        max-width: 720px;
    }

    .page-hero h1 .highlight-word {
        color: var(--highlight);
        position: relative;
    }

    .page-hero-sub {
        font-size: 17px;
        line-height: 1.85;
        color: rgba(255, 255, 255, 0.85);
        max-width: 680px;
        margin-bottom: 28px;
    }

    .page-hero-actions {
        display: flex;
        align-items: center;
        gap: 14px;
        flex-wrap: wrap;
        margin-bottom: 28px;
    }

    .page-hero-stats {
        display: flex;
        align-items: center;
        gap: 32px;
        flex-wrap: wrap;
    }

    .page-hero-stat {
        display: flex;
        align-items: center;
        gap: 10px;
    }

    .page-hero-stat-num {
        font-family: var(--font-mono);
        font-size: 28px;
        font-weight: 700;
        color: var(--highlight);
        line-height: 1;
    }

    .page-hero-stat-label {
        font-size: 13px;
        color: rgba(255, 255, 255, 0.75);
        line-height: 1.4;
    }

    /* Main layout: two-column with sticky TOC */
    .content-layout {
        display: grid;
        grid-template-columns: 1fr 280px;
        gap: 48px;
        align-items: start;
    }

    .content-main {
        min-width: 0;
    }

    .content-aside {
        position: sticky;
        top: calc(var(--nav-height) + 24px);
        align-self: start;
    }

    /* TOC card */
    .toc-card {
        background-color: var(--bg-card);
        border: 1px solid var(--border);
        border-radius: var(--radius-lg);
        padding: 24px;
        box-shadow: var(--shadow-sm);
    }

    .toc-card-title {
        font-family: var(--font-hero);
        font-weight: 700;
        font-size: 15px;
        color: var(--text);
        margin-bottom: 14px;
        display: flex;
        align-items: center;
        gap: 8px;
    }

    .toc-card-title i {
        color: var(--accent);
        font-size: 14px;
    }

    .toc-list li a {
        display: flex;
        align-items: flex-start;
        gap: 8px;
        font-size: 14px;
        color: var(--text-sub);
        padding: 8px 0;
        border-bottom: 1px solid var(--border-light);
        transition: all var(--transition);
        line-height: 1.5;
    }

    .toc-list li:last-child a {
        border-bottom: none;
    }

    .toc-list li a:hover {
        color: var(--accent);
        padding-left: 4px;
    }

    .toc-list li a .toc-dot {
        display: inline-block;
        width: 5px;
        height: 5px;
        background-color: var(--border);
        border-radius: 50%;
        flex-shrink: 0;
        margin-top: 8px;
        transition: background-color var(--transition);
    }

    .toc-list li a:hover .toc-dot {
        background-color: var(--accent);
    }

    .toc-cta {
        margin-top: 16px;
        padding-top: 16px;
        border-top: 1px solid var(--border-light);
    }

    .toc-cta .btn-primary {
        width: 100%;
        justify-content: center;
        font-size: 13px;
        padding: 12px 20px;
    }

    /* Article content blocks */
    .article-block {
        margin-bottom: 48px;
    }

    .article-block:last-child {
        margin-bottom: 0;
    }

    .article-block-heading {
        display: flex;
        align-items: center;
        gap: 12px;
        margin-bottom: 16px;
        scroll-margin-top: calc(var(--nav-height) + 20px);
    }

    .article-block-heading-icon {
        display: inline-flex;
        align-items: center;
        justify-content: center;
        width: 40px;
        height: 40px;
        background-color: var(--primary-soft);
        color: var(--primary);
        border-radius: 10px;
        font-size: 16px;
        flex-shrink: 0;
    }

    .article-block-heading h2 {
        font-family: var(--font-hero);
        font-weight: 700;
        font-size: 24px;
        color: var(--text);
        line-height: 1.35;
        letter-spacing: 0.02em;
    }

    .article-block-heading .heading-badge {
        display: inline-block;
        background-color: var(--accent-soft);
        color: var(--accent-hover);
        font-size: 11px;
        font-weight: 700;
        padding: 3px 10px;
        border-radius: 100px;
        letter-spacing: 0.05em;
        margin-left: 8px;
        white-space: nowrap;
    }

    .article-text {
        font-size: 16px;
        line-height: 1.9;
        color: var(--text);
        margin-bottom: 14px;
    }

    .article-text--sub {
        color: var(--text-sub);
        font-size: 15px;
    }

    .article-list {
        margin: 16px 0;
    }

    .article-list li {
        display: flex;
        align-items: flex-start;
        gap: 10px;
        font-size: 15px;
        line-height: 1.8;
        padding: 8px 0;
        color: var(--text);
    }

    .article-list li i {
        color: var(--accent);
        font-size: 14px;
        margin-top: 6px;
        flex-shrink: 0;
    }

    /* Image cards */
    .image-card {
        border-radius: var(--radius-lg);
        overflow: hidden;
        box-shadow: var(--shadow-md);
        position: relative;
        margin: 20px 0;
    }

    .image-card img {
        width: 100%;
        height: auto;
        object-fit: cover;
        min-height: 220px;
    }

    .image-card-overlay {
        position: absolute;
        bottom: 0;
        left: 0;
        right: 0;
        padding: 16px 20px;
        background: linear-gradient(transparent, rgba(10, 42, 34, 0.7));
        color: #ffffff;
        font-size: 14px;
        font-weight: 500;
        letter-spacing: 0.03em;
    }

    /* Community feature cards */
    .community-card-grid {
        display: grid;
        grid-template-columns: repeat(2, 1fr);
        gap: 20px;
        margin: 24px 0;
    }

    .community-card {
        background-color: var(--bg-card);
        border: 1px solid var(--border);
        border-radius: var(--radius-md);
        padding: 24px;
        transition: all var(--transition);
        position: relative;
        overflow: hidden;
    }

    .community-card:hover {
        box-shadow: var(--shadow-md);
        transform: translateY(-3px);
        border-color: var(--primary-light);
    }

    .community-card-icon {
        display: inline-flex;
        align-items: center;
        justify-content: center;
        width: 44px;
        height: 44px;
        background-color: var(--primary-soft);
        color: var(--primary);
        border-radius: 10px;
        font-size: 18px;
        margin-bottom: 12px;
    }

    .community-card h3 {
        font-family: var(--font-hero);
        font-weight: 700;
        font-size: 17px;
        color: var(--text);
        margin-bottom: 8px;
        line-height: 1.4;
    }

    .community-card p {
        font-size: 14px;
        color: var(--text-sub);
        line-height: 1.8;
        margin-bottom: 0;
    }

    /* Stats strip */
    .stats-strip {
        display: grid;
        grid-template-columns: repeat(4, 1fr);
        gap: 20px;
        margin: 28px 0;
        background-color: var(--primary);
        border-radius: var(--radius-lg);
        padding: 32px 28px;
    }

    .stats-strip-item {
        text-align: center;
    }

    .stats-strip-num {
        font-family: var(--font-mono);
        font-size: 30px;
        font-weight: 700;
        color: var(--highlight);
        line-height: 1.1;
        margin-bottom: 4px;
    }

    .stats-strip-label {
        font-size: 13px;
        color: rgba(255, 255, 255, 0.7);
        letter-spacing: 0.03em;
    }

    /* Highlight box */
    .highlight-box {
        background-color: var(--highlight-soft);
        border: 1px solid rgba(200, 228, 69, 0.35);
        border-radius: var(--radius-md);
        padding: 24px 28px;
        margin: 24px 0;
        display: flex;
        align-items: flex-start;
        gap: 14px;
    }

    .highlight-box-icon {
        display: inline-flex;
        align-items: center;
        justify-content: center;
        width: 40px;
        height: 40px;
        background-color: var(--highlight);
        color: var(--primary);
        border-radius: 8px;
        font-size: 16px;
        flex-shrink: 0;
        margin-top: 2px;
    }

    .highlight-box-content h3 {
        font-family: var(--font-hero);
        font-weight: 700;
        font-size: 16px;
        color: var(--text);
        margin-bottom: 4px;
    }

    .highlight-box-content p {
        font-size: 14px;
        color: var(--text-sub);
        line-height: 1.8;
        margin-bottom: 0;
    }

    /* FAQ */
    .faq-section {
        background-color: var(--bg-card);
        border-radius: var(--radius-xl);
        padding: 40px 36px;
        box-shadow: var(--shadow-sm);
        border: 1px solid var(--border);
        margin-top: 40px;
    }

    .faq-accordion-item {
        border-bottom: 1px solid var(--border-light);
        padding: 16px 0;
        transition: all var(--transition);
    }

    .faq-accordion-item:first-child {
        padding-top: 0;
    }

    .faq-accordion-item:last-child {
        border-bottom: none;
        padding-bottom: 0;
    }

    .faq-accordion-question {
        display: flex;
        align-items: center;
        justify-content: space-between;
        gap: 16px;
        font-family: var(--font-hero);
        font-weight: 700;
        font-size: 16px;
        color: var(--text);
        line-height: 1.5;
        cursor: pointer;
        transition: color var(--transition);
        text-align: left;
        width: 100%;
        padding: 4px 0;
    }

    .faq-accordion-question:hover {
        color: var(--accent);
    }

    .faq-accordion-question .faq-icon {
        display: inline-flex;
        align-items: center;
        justify-content: center;
        width: 26px;
        height: 26px;
        background-color: var(--primary-soft);
        color: var(--primary);
        border-radius: 50%;
        font-size: 14px;
        flex-shrink: 0;
        transition: all var(--transition);
    }

    .faq-accordion-item.open .faq-accordion-question {
        color: var(--accent);
    }

    .faq-accordion-item.open .faq-icon {
        background-color: var(--accent);
        color: #ffffff;
        transform: rotate(45deg);
    }

    .faq-accordion-answer {
        max-height: 0;
        overflow: hidden;
        transition: max-height 0.35s ease, padding 0.35s ease;
        font-size: 15px;
        color: var(--text-sub);
        line-height: 1.85;
    }

    .faq-accordion-item.open .faq-accordion-answer {
        max-height: 400px;
        padding-top: 10px;
    }

    /* CTA section */
    .cta-section {
        background-color: var(--primary-deep);
        background-image: linear-gradient(135deg, rgba(15, 58, 47, 0.95), rgba(27, 30, 26, 0.97)), url('/assets/images/backpic/back-3.webp');
        background-size: cover;
        background-position: center;
        border-radius: var(--radius-xl);
        padding: 48px 40px;
        color: #ffffff;
        margin-top: 56px;
        position: relative;
        overflow: hidden;
    }

    .cta-section::before {
        content: '';
        position: absolute;
        top: 0;
        left: 0;
        right: 0;
        height: 4px;
        background: linear-gradient(90deg, var(--accent), var(--highlight));
    }

    .cta-section h2 {
        font-family: var(--font-hero);
        font-weight: 900;
        font-size: 28px;
        color: #ffffff;
        margin-bottom: 12px;
        line-height: 1.3;
    }

    .cta-section p {
        font-size: 15px;
        color: rgba(255, 255, 255, 0.8);
        line-height: 1.8;
        max-width: 480px;
        margin-bottom: 24px;
    }

    .cta-section .btn-group {
        display: flex;
        gap: 12px;
        flex-wrap: wrap;
    }

    /* Form */
    .form-group {
        margin-bottom: 16px;
    }

    .form-group label {
        display: block;
        font-size: 14px;
        font-weight: 600;
        color: var(--text);
        margin-bottom: 6px;
        letter-spacing: 0.02em;
    }

    .form-group input,
    .form-group textarea,
    .form-group select {
        display: block;
        width: 100%;
        padding: 12px 14px;
        border: 1px solid var(--border);
        border-radius: var(--radius-sm);
        font-size: 15px;
        color: var(--text);
        background-color: #ffffff;
        transition: all var(--transition);
        outline: none;
    }

    .form-group input:focus,
    .form-group textarea:focus,
    .form-group select:focus {
        border-color: var(--primary);
        box-shadow: 0 0 0 3px rgba(15, 58, 47, 0.1);
    }

    .form-group textarea {
        min-height: 100px;
        resize: vertical;
    }

    /* Footer */
    .site-footer {
        background-color: var(--bg-dark);
        color: rgba(255, 255, 255, 0.85);
        padding: 56px 0 0;
        margin-top: 72px;
    }

    .footer-grid {
        display: grid;
        grid-template-columns: 1.5fr 1fr 1fr 1fr;
        gap: 40px;
        padding-bottom: 36px;
    }

    .footer-brand p {
        font-size: 14px;
        line-height: 1.85;
        color: rgba(255, 255, 255, 0.65);
        margin-top: 12px;
        max-width: 320px;
    }

    .footer-title {
        font-family: var(--font-hero);
        font-weight: 700;
        font-size: 15px;
        color: #ffffff;
        margin-bottom: 14px;
        letter-spacing: 0.03em;
    }

    .footer-links li {
        margin-bottom: 8px;
    }

    .footer-links li a {
        color: rgba(255, 255, 255, 0.65);
        font-size: 14px;
        transition: color var(--transition);
        line-height: 1.6;
    }

    .footer-links li a:hover {
        color: var(--highlight);
    }

    .footer-bottom {
        border-top: 1px solid rgba(255, 255, 255, 0.1);
        padding: 20px 0;
        display: flex;
        align-items: center;
        justify-content: space-between;
        flex-wrap: wrap;
        gap: 12px;
        font-size: 13px;
        color: rgba(255, 255, 255, 0.5);
    }

    .footer-beian {
        display: flex;
        align-items: center;
        gap: 16px;
        flex-wrap: wrap;
    }

    .footer-beian a {
        color: rgba(255, 255, 255, 0.5);
        font-size: 13px;
        transition: color var(--transition);
    }

    .footer-beian a:hover {
        color: var(--highlight);
    }

    /* Floating bottom CTA */
    .floating-cta {
        display: none;
        position: fixed;
        bottom: 0;
        left: 0;
        right: 0;
        background-color: var(--primary-deep);
        padding: 10px 20px;
        z-index: 900;
        align-items: center;
        justify-content: space-between;
        gap: 12px;
        box-shadow: 0 -4px 16px rgba(0, 0, 0, 0.2);
        border-top: 2px solid var(--accent);
    }

    .floating-cta-text {
        font-size: 14px;
        color: #ffffff;
        font-weight: 500;
        line-height: 1.4;
    }

    .floating-cta-text strong {
        color: var(--highlight);
        font-weight: 700;
    }

    .floating-cta .btn-primary {
        padding: 10px 20px;
        font-size: 13px;
        flex-shrink: 0;
    }

    /* Desktop floating pill */
    .desktop-float {
        display: none;
        position: fixed;
        bottom: 24px;
        right: 24px;
        z-index: 900;
    }

    .desktop-float .btn-primary {
        padding: 14px 26px;
        font-size: 14px;
        border-radius: 100px;
        box-shadow: var(--shadow-lg);
    }

    /* Responsive */
    @media (max-width: 1024px) {
        .content-layout {
            grid-template-columns: 1fr;
            gap: 32px;
        }

        .content-aside {
            position: static;
            order: -1;
        }

        .toc-card {
            padding: 18px 20px;
        }

        .toc-list {
            display: flex;
            flex-wrap: wrap;
            gap: 6px;
        }

        .toc-list li {
            flex-shrink: 0;
        }

        .toc-list li a {
            background-color: var(--primary-soft);
            border-radius: 100px;
            padding: 6px 14px;
            border-bottom: none;
            font-size: 13px;
        }

        .toc-list li a:hover {
            padding-left: 14px;
        }

        .toc-list li a .toc-dot {
            display: none;
        }

        .toc-cta {
            display: none;
        }

        .stats-strip {
            grid-template-columns: repeat(2, 1fr);
            gap: 16px;
            padding: 24px 20px;
        }

        .footer-grid {
            grid-template-columns: 1fr 1fr;
            gap: 28px;
        }

        .page-hero h1 {
            font-size: 32px;
        }

        .nav-cta-group .nav-countdown {
            display: none;
        }
    }

    @media (max-width: 768px) {
        :root {
            --section-gap: 48px;
            --nav-height: 60px;
        }

        .nav-links {
            display: none;
        }

        .nav-toggle {
            display: block;
        }

        .mobile-nav {
            display: block;
        }

        .nav-cta-group .nav-status-badge {
            display: none;
        }

        .page-hero {
            padding: 48px 0 40px;
        }

        .page-hero h1 {
            font-size: 28px;
            line-height: 1.35;
        }

        .page-hero-sub {
            font-size: 15px;
        }

        .page-hero-stats {
            gap: 16px;
        }

        .page-hero-stat-num {
            font-size: 22px;
        }

        .community-card-grid {
            grid-template-columns: 1fr;
        }

        .stats-strip {
            grid-template-columns: repeat(2, 1fr);
            gap: 14px;
            padding: 20px 16px;
        }

        .stats-strip-num {
            font-size: 24px;
        }

        .faq-section {
            padding: 28px 20px;
        }

        .cta-section {
            padding: 36px 24px;
            border-radius: var(--radius-lg);
        }

        .cta-section h2 {
            font-size: 22px;
        }

        .footer-grid {
            grid-template-columns: 1fr;
            gap: 24px;
        }

        .footer-bottom {
            flex-direction: column;
            align-items: flex-start;
            gap: 10px;
        }

        .footer-beian {
            flex-wrap: wrap;
            gap: 10px;
        }

        .floating-cta {
            display: flex;
        }

        .desktop-float {
            display: none !important;
        }

        .section-title {
            font-size: 24px;
        }

        .article-block-heading h2 {
            font-size: 20px;
        }

        .article-block-heading .heading-badge {
            display: none;
        }
    }

    @media (max-width: 520px) {
        .container-custom {
            padding-left: 16px;
            padding-right: 16px;
        }

        .page-hero h1 {
            font-size: 24px;
        }

        .page-hero-sub {
            font-size: 14px;
        }

        .page-hero-actions {
            flex-direction: column;
            align-items: stretch;
        }

        .page-hero-actions .btn-primary,
        .page-hero-actions .btn-ghost {
            width: 100%;
            justify-content: center;
        }

        .page-hero-stats {
            gap: 12px;
        }

        .page-hero-stat {
            gap: 6px;
        }

        .page-hero-stat-num {
            font-size: 18px;
        }

        .stats-strip {
            grid-template-columns: 1fr 1fr;
            gap: 12px;
            padding: 16px 12px;
        }

        .stats-strip-num {
            font-size: 20px;
        }

        .floating-cta {
            padding: 8px 14px;
        }

        .floating-cta-text {
            font-size: 12px;
        }

        .floating-cta .btn-primary {
            padding: 8px 14px;
            font-size: 12px;
        }
    }

    @media (min-width: 1025px) {
        .desktop-float {
            display: block;
        }
    }