/* roulang page: index */
:root {
            --primary: #0B6E6E;
            --primary-dark: #085754;
            --primary-light: rgba(11, 110, 110, 0.08);
            --accent: #F5A623;
            --action: #E2553E;
            --action-dark: #C44831;
            --bg: #FAF8F4;
            --dark: #132B2B;
            --text: #1F2A2A;
            --text-sub: #5A6B6B;
            --border: #DCE5E3;
            --success: #2BA471;
            --error: #D64541;
            --white: #FFFFFF;
            --radius: 16px;
            --radius-sm: 10px;
            --radius-xs: 8px;
            --shadow-sm: 0 1px 3px rgba(19, 43, 43, 0.06);
            --shadow-md: 0 8px 28px rgba(19, 43, 43, 0.10);
            --shadow-lg: 0 20px 50px rgba(11, 110, 110, 0.25);
            --font-family: "PingFang SC", "Microsoft YaHei", "Noto Sans SC", system-ui, -apple-system, sans-serif;
            --container: 1200px;
            --section-gap: 6rem;
        }

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

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

        body {
            font-family: var(--font-family);
            font-size: 16px;
            line-height: 1.75;
            color: var(--text);
            background-color: var(--bg);
            -webkit-font-smoothing: antialiased;
            text-rendering: optimizeLegibility;
        }

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

        a {
            color: inherit;
            text-decoration: none;
            transition: color 0.25s ease, background-color 0.25s ease, border-color 0.25s ease, box-shadow 0.25s ease, transform 0.25s ease;
        }

        button {
            font-family: inherit;
            border: none;
            background: none;
            cursor: pointer;
        }

        input,
        select,
        textarea {
            font-family: inherit;
            font-size: 1rem;
        }

        ::selection {
            background: rgba(11, 110, 110, 0.18);
            color: var(--dark);
        }

        .container {
            width: 100%;
            max-width: var(--container);
            margin: 0 auto;
            padding: 0 24px;
        }

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

        .section-head {
            text-align: center;
            margin-bottom: 3rem;
        }

        .section-title {
            font-size: clamp(1.5rem, 2.5vw, 2.25rem);
            font-weight: 700;
            line-height: 1.3;
            color: var(--text);
            position: relative;
            display: inline-block;
            margin-bottom: 1rem;
        }

        .section-title::after {
            content: "";
            display: block;
            width: 40px;
            height: 4px;
            background: var(--primary);
            border-radius: 2px;
            margin: 0.75rem auto 0;
        }

        .section-subtitle {
            font-size: 1rem;
            color: var(--text-sub);
            line-height: 1.7;
            max-width: 640px;
            margin: 0 auto;
        }

        /* ===== Button System ===== */
        .btn {
            display: inline-flex;
            align-items: center;
            justify-content: center;
            gap: 8px;
            padding: 0.875rem 2rem;
            border-radius: var(--radius-sm);
            font-size: 0.9375rem;
            font-weight: 600;
            line-height: 1;
            border: 1.5px solid transparent;
            transition: all 0.25s ease;
            cursor: pointer;
            white-space: nowrap;
        }
        .btn:focus-visible {
            outline: 3px solid rgba(11, 110, 110, 0.35);
            outline-offset: 2px;
        }

        .btn-primary {
            background-color: var(--primary);
            color: var(--white);
            box-shadow: 0 2px 8px rgba(11, 110, 110, 0.2);
        }
        .btn-primary:hover {
            background-color: var(--primary-dark);
            box-shadow: 0 6px 18px rgba(11, 110, 110, 0.3);
            transform: translateY(-2px) scale(1.02);
        }
        .btn-primary:active {
            transform: scale(0.98);
            box-shadow: 0 2px 6px rgba(11, 110, 110, 0.2);
        }

        .btn-outline {
            background: transparent;
            border-color: var(--primary);
            color: var(--primary);
        }
        .btn-outline:hover {
            background: var(--primary-light);
            border-color: var(--primary-dark);
            color: var(--primary-dark);
            transform: translateY(-2px);
        }
        .btn-outline:active {
            transform: scale(0.98);
        }

        .btn-action {
            background-color: var(--action);
            color: var(--white);
            box-shadow: 0 4px 14px rgba(226, 85, 62, 0.2);
        }
        .btn-action:hover {
            background-color: var(--action-dark);
            box-shadow: 0 6px 20px rgba(226, 85, 62, 0.3);
            transform: translateY(-2px);
        }
        .btn-action:active {
            transform: scale(0.98);
        }

        .btn-disabled,
        .btn:disabled {
            background: #E4E9E8;
            color: #A0B0AF;
            box-shadow: none;
            transform: none;
            cursor: not-allowed;
        }

        .btn-success {
            background-color: var(--success);
            color: var(--white);
            box-shadow: 0 2px 8px rgba(43, 164, 113, 0.2);
        }

        .btn-block {
            width: 100%;
            justify-content: center;
        }

        .btn-lg {
            padding: 1rem 2.25rem;
            font-size: 1rem;
        }

        /* ===== Badge ===== */
        .badge {
            display: inline-flex;
            align-items: center;
            gap: 4px;
            padding: 0.25rem 1rem;
            border-radius: 999px;
            font-size: 0.8125rem;
            font-weight: 500;
            line-height: 1.5;
        }

        .badge-promo {
            background: rgba(226, 85, 62, 0.12);
            color: var(--action);
        }

        .badge-accent {
            background: rgba(245, 166, 35, 0.15);
            color: #A97416;
        }

        .badge-primary {
            background: var(--primary-light);
            color: var(--primary);
        }

        /* ===== Header / Dock Nav ===== */
        .site-header {
            position: fixed;
            top: 1rem;
            left: 50%;
            transform: translateX(-50%);
            width: min(1100px, 94%);
            z-index: 1000;
        }

        .dock-nav {
            display: flex;
            align-items: center;
            justify-content: space-between;
            gap: 1.5rem;
            background: rgba(250, 248, 244, 0.88);
            backdrop-filter: blur(16px);
            -webkit-backdrop-filter: blur(16px);
            border: 1px solid var(--border);
            border-radius: 999px;
            box-shadow: 0 4px 20px rgba(19, 43, 43, 0.08);
            padding: 0.625rem 1.25rem 0.625rem 1.5rem;
        }

        .brand-logo {
            display: flex;
            align-items: baseline;
            gap: 0.375rem;
            flex-shrink: 0;
        }

        .brand-name {
            font-size: 1.375rem;
            font-weight: 800;
            color: var(--primary);
            letter-spacing: 0.01em;
            line-height: 1.2;
        }

        .brand-sub {
            font-size: 0.75rem;
            font-weight: 400;
            color: var(--text-sub);
            background: var(--primary-light);
            padding: 0.15rem 0.5rem;
            border-radius: 999px;
            line-height: 1.5;
            white-space: nowrap;
        }

        .nav-menu {
            display: flex;
            align-items: center;
        }

        .nav-menu ul {
            display: flex;
            list-style: none;
            gap: 0.25rem;
        }

        .nav-link {
            display: inline-block;
            padding: 0.5rem 1rem;
            border-radius: 999px;
            font-size: 0.875rem;
            font-weight: 500;
            color: var(--text);
            position: relative;
            transition: all 0.25s ease;
        }

        .nav-link:hover {
            color: var(--primary);
            background: var(--primary-light);
        }

        .nav-link.active {
            background: rgba(11, 110, 110, 0.1);
            color: var(--primary);
            font-weight: 600;
        }

        .nav-actions {
            display: flex;
            align-items: center;
            gap: 0.75rem;
            flex-shrink: 0;
        }

        .btn-consult {
            padding: 0.625rem 1.25rem;
            font-size: 0.875rem;
        }

        .nav-toggle {
            display: none;
            flex-direction: column;
            justify-content: center;
            align-items: center;
            gap: 4px;
            width: 40px;
            height: 40px;
            border-radius: 50%;
            background: var(--primary-light);
            transition: background 0.25s ease;
        }

        .nav-toggle span {
            display: block;
            width: 18px;
            height: 2px;
            background: var(--primary);
            border-radius: 2px;
            transition: all 0.3s ease;
        }

        .nav-toggle:hover {
            background: rgba(11, 110, 110, 0.18);
        }

        .mobile-menu {
            display: none;
            position: absolute;
            top: calc(100% + 10px);
            left: 0;
            right: 0;
            background: var(--bg);
            border: 1px solid var(--border);
            border-radius: var(--radius);
            box-shadow: var(--shadow-md);
            padding: 1rem;
            flex-direction: column;
            gap: 0.5rem;
        }

        .mobile-menu.open {
            display: flex;
        }

        .mobile-link {
            padding: 0.75rem 1rem;
            border-radius: var(--radius-xs);
            font-size: 0.9375rem;
            font-weight: 500;
            color: var(--text);
        }

        .mobile-link:hover {
            background: var(--primary-light);
            color: var(--primary);
        }

        .mobile-link.active {
            background: rgba(11, 110, 110, 0.1);
            color: var(--primary);
            font-weight: 600;
        }

        /* ===== Hero ===== */
        .hero {
            background: linear-gradient(135deg, rgba(11, 110, 110, 0.85) 0%, rgba(19, 43, 43, 0.62) 100%), url('/assets/images/backpic/back-1.webp') center / cover no-repeat;
            min-height: 100vh;
            display: flex;
            align-items: center;
            padding: 7rem 0 4rem;
            color: var(--white);
            position: relative;
            overflow: hidden;
        }

        .hero::before {
            content: "";
            position: absolute;
            top: -120px;
            right: -120px;
            width: 360px;
            height: 360px;
            background: rgba(245, 166, 35, 0.12);
            border-radius: 50%;
            filter: blur(80px);
        }

        .hero .container {
            display: grid;
            grid-template-columns: 1.05fr 0.95fr;
            gap: 4rem;
            align-items: center;
            position: relative;
            z-index: 2;
        }

        .hero-badge {
            margin-bottom: 1.25rem;
        }

        .hero-title {
            font-size: clamp(2.25rem, 5vw, 3.5rem);
            font-weight: 800;
            line-height: 1.15;
            letter-spacing: 0.01em;
            margin-bottom: 1.25rem;
        }

        .hero-title span {
            color: var(--accent);
        }

        .hero-subtitle {
            font-size: 1.0625rem;
            line-height: 1.8;
            color: rgba(255, 255, 255, 0.85);
            max-width: 480px;
            margin-bottom: 2rem;
        }

        .hero-buttons {
            display: flex;
            flex-wrap: wrap;
            gap: 1rem;
        }

        .hero-buttons .btn-primary {
            background: var(--white);
            color: var(--primary);
            box-shadow: 0 4px 16px rgba(0, 0, 0, 0.18);
        }
        .hero-buttons .btn-primary:hover {
            background: #f0f7f7;
            box-shadow: 0 8px 26px rgba(0, 0, 0, 0.22);
        }

        .hero-buttons .btn-outline {
            border-color: rgba(255, 255, 255, 0.85);
            color: var(--white);
        }
        .hero-buttons .btn-outline:hover {
            background: rgba(255, 255, 255, 0.12);
            border-color: #fff;
            color: #fff;
        }

        .hero-visual {
            position: relative;
        }

        .hero-visual img {
            width: 100%;
            border-radius: 24px;
            box-shadow: 0 20px 50px rgba(11, 110, 110, 0.25);
            border: 2px solid rgba(255, 255, 255, 0.2);
        }

        .hero-float-badge {
            position: absolute;
            top: -16px;
            left: -16px;
            background: var(--white);
            color: var(--text);
            font-size: 0.8125rem;
            font-weight: 600;
            padding: 0.5rem 1.1rem;
            border-radius: 12px;
            box-shadow: 0 8px 26px rgba(19, 43, 43, 0.15);
            display: flex;
            align-items: center;
            gap: 6px;
        }

        .hero-float-badge::before {
            content: "";
            width: 6px;
            height: 6px;
            background: var(--primary);
            border-radius: 50%;
        }

        /* ===== Trust Bar ===== */
        .trust-bar {
            background: var(--white);
            border-bottom: 1px solid var(--border);
            padding: 2rem 0;
        }

        .trust-grid {
            display: flex;
            justify-content: space-between;
            flex-wrap: wrap;
            gap: 1.5rem;
        }

        .trust-item {
            display: flex;
            align-items: center;
            gap: 1rem;
            flex: 1;
            min-width: 180px;
            justify-content: center;
            position: relative;
        }

        .trust-item:not(:last-child)::after {
            content: "";
            position: absolute;
            right: 0;
            top: 50%;
            transform: translateY(-50%);
            width: 1px;
            height: 36px;
            background: var(--border);
        }

        .trust-icon {
            width: 48px;
            height: 48px;
            border-radius: 14px;
            background: var(--primary-light);
            display: flex;
            align-items: center;
            justify-content: center;
            color: var(--primary);
            flex-shrink: 0;
        }

        .trust-icon svg {
            width: 24px;
            height: 24px;
        }

        .trust-num {
            font-size: 1.625rem;
            font-weight: 800;
            color: var(--text);
            line-height: 1.2;
        }

        .trust-label {
            font-size: 0.75rem;
            color: var(--text-sub);
            line-height: 1.4;
            margin-top: 2px;
        }

        /* ===== News Section ===== */
        .news-section {
            background: var(--bg);
        }

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

        .news-card {
            background: var(--white);
            border: 1px solid var(--border);
            border-radius: var(--radius);
            overflow: hidden;
            box-shadow: var(--shadow-sm);
            transition: all 0.3s ease;
            display: flex;
            flex-direction: column;
        }

        .news-card:hover {
            box-shadow: var(--shadow-md);
            transform: translateY(-4px);
            border-color: rgba(11, 110, 110, 0.4);
        }

        .news-cover {
            aspect-ratio: 16 / 9;
            overflow: hidden;
            background: rgba(11, 110, 110, 0.1);
        }

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

        .news-card:hover .news-cover img {
            transform: scale(1.05);
        }

        .news-body {
            padding: 1.5rem;
            display: flex;
            flex-direction: column;
            flex: 1;
        }

        .news-meta {
            display: flex;
            align-items: center;
            justify-content: space-between;
            margin-bottom: 0.75rem;
            font-size: 0.8125rem;
            color: var(--text-sub);
        }

        .news-tag {
            background: var(--primary-light);
            color: var(--primary);
            padding: 0.2rem 0.7rem;
            border-radius: 999px;
            font-size: 0.75rem;
            font-weight: 500;
        }

        .news-body h3 {
            font-size: 1.125rem;
            font-weight: 600;
            line-height: 1.45;
            margin-bottom: 0.625rem;
            display: -webkit-box;
            -webkit-line-clamp: 2;
            -webkit-box-orient: vertical;
            overflow: hidden;
            color: var(--text);
        }

        .news-body p {
            font-size: 0.875rem;
            color: var(--text-sub);
            line-height: 1.65;
            display: -webkit-box;
            -webkit-line-clamp: 3;
            -webkit-box-orient: vertical;
            overflow: hidden;
            margin-bottom: 1rem;
            flex: 1;
        }

        .news-link {
            font-size: 0.875rem;
            font-weight: 600;
            color: var(--primary);
            display: inline-flex;
            align-items: center;
            gap: 4px;
        }

        .news-link i {
            font-style: normal;
            transition: transform 0.25s ease;
        }

        .news-card:hover .news-link i {
            transform: translateX(4px);
        }

        .empty-state {
            background: rgba(19, 43, 43, 0.04);
            border: 1px dashed var(--border);
            border-radius: var(--radius);
            padding: 3rem 2rem;
            text-align: center;
            color: var(--text-sub);
            font-size: 0.9375rem;
            grid-column: 1 / -1;
        }

        .empty-state .empty-icon {
            font-size: 2rem;
            display: block;
            margin-bottom: 0.5rem;
        }

        /* ===== Tier Section ===== */
        .tier-section {
            background: var(--white);
        }

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

        .tier-card {
            background: var(--bg);
            border: 1px solid var(--border);
            border-radius: var(--radius);
            padding: 2rem;
            position: relative;
            box-shadow: var(--shadow-sm);
            transition: all 0.3s ease;
        }

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

        .tier-card.featured {
            background: rgba(11, 110, 110, 0.05);
            border: 1.5px solid var(--primary);
            box-shadow: var(--shadow-lg);
            transform: scale(1.02);
            padding-top: 2.5rem;
        }

        .tier-card.featured:hover {
            transform: scale(1.02) translateY(-4px);
        }

        .tier-badge {
            position: absolute;
            top: -14px;
            left: 50%;
            transform: translateX(-50%);
            background: var(--accent);
            color: #5C3F0A;
            font-size: 0.75rem;
            font-weight: 700;
            padding: 0.3rem 1.2rem;
            border-radius: 999px;
            box-shadow: 0 4px 12px rgba(245, 166, 35, 0.35);
            white-space: nowrap;
        }

        .tier-name {
            font-size: 1.125rem;
            font-weight: 600;
            color: var(--text);
            margin-bottom: 0.75rem;
        }

        .tier-value {
            font-size: clamp(2rem, 4vw, 3rem);
            font-weight: 800;
            color: var(--primary);
            line-height: 1.1;
            margin-bottom: 1.25rem;
        }

        .tier-value small {
            font-size: 1rem;
            font-weight: 500;
            color: var(--text-sub);
        }

        .tier-list {
            list-style: none;
            margin-bottom: 1.5rem;
        }

        .tier-list li {
            display: flex;
            align-items: flex-start;
            gap: 8px;
            font-size: 0.875rem;
            color: var(--text);
            padding: 0.45rem 0;
            line-height: 1.5;
        }

        .tier-list li svg {
            width: 18px;
            height: 18px;
            flex-shrink: 0;
            margin-top: 1px;
            color: var(--primary);
        }

        .tier-list li.no {
            color: var(--text-sub);
        }

        .tier-list li.no svg {
            color: #B0C0BF;
        }

        /* ===== Compare Section ===== */
        .compare-section {
            background: var(--bg);
        }

        .compare-wrap {
            overflow-x: auto;
            background: var(--white);
            border-radius: var(--radius);
            border: 1px solid var(--border);
            box-shadow: var(--shadow-sm);
        }

        .compare-table {
            width: 100%;
            border-collapse: collapse;
            min-width: 680px;
        }

        .compare-table th,
        .compare-table td {
            padding: 1rem 1.5rem;
            text-align: center;
            border-bottom: 1px solid var(--border);
            font-size: 0.875rem;
        }

        .compare-table th {
            background: var(--bg);
            font-weight: 600;
            color: var(--text);
            font-size: 0.9375rem;
        }

        .compare-table tr:last-child th,
        .compare-table tr:last-child td {
            border-bottom: none;
        }

        .compare-table tbody tr:hover {
            background: rgba(11, 110, 110, 0.04);
        }

        .compare-table .dim-label {
            text-align: left;
            color: var(--text-sub);
            font-weight: 500;
            white-space: nowrap;
        }

        .compare-table .yes {
            color: var(--primary);
            font-weight: 700;
            font-size: 1rem;
        }

        .compare-table .no {
            color: #B0C0BF;
        }

        .compare-table .rec-col {
            background: rgba(11, 110, 110, 0.04);
            border-left: 2px solid var(--primary);
            border-right: 2px solid var(--primary);
            position: relative;
        }

        .compare-table th.rec-col {
            background: rgba(11, 110, 110, 0.08);
        }

        .rec-tag {
            display: inline-block;
            background: var(--accent);
            color: #5C3F0A;
            font-size: 0.6875rem;
            font-weight: 700;
            padding: 0.15rem 0.75rem;
            border-radius: 999px;
            margin-bottom: 0.4rem;
        }

        .rec-col .plan-name {
            font-weight: 700;
            color: var(--primary);
            font-size: 1rem;
        }

        /* ===== Limited Section ===== */
        .limited-section {
            background: linear-gradient(180deg, rgba(19, 43, 43, 0.92), rgba(11, 110, 110, 0.85)), url('/assets/images/backpic/back-2.webp') center / cover no-repeat;
            color: var(--white);
            text-align: center;
            padding: 5rem 0;
            position: relative;
            overflow: hidden;
        }

        .limited-section::before {
            content: "";
            position: absolute;
            top: -80px;
            left: -80px;
            width: 260px;
            height: 260px;
            background: rgba(245, 166, 35, 0.15);
            border-radius: 50%;
            filter: blur(60px);
        }

        .limited-inner {
            position: relative;
            z-index: 2;
            max-width: 700px;
            margin: 0 auto;
        }

        .limited-title {
            font-size: clamp(1.75rem, 3.5vw, 2.5rem);
            font-weight: 800;
            line-height: 1.25;
            margin: 1rem 0 0.75rem;
        }

        .limited-subtitle {
            font-size: 1rem;
            color: rgba(255, 255, 255, 0.72);
            margin-bottom: 2rem;
            line-height: 1.7;
        }

        .countdown {
            display: flex;
            justify-content: center;
            align-items: center;
            gap: 0.75rem;
            margin-bottom: 2.25rem;
        }

        .count-item {
            background: rgba(255, 255, 255, 0.08);
            border: 1px solid rgba(255, 255, 255, 0.15);
            border-radius: 16px;
            padding: 0.875rem 1.5rem;
            min-width: 88px;
        }

        .count-num {
            font-size: 2.25rem;
            font-weight: 800;
            font-variant-numeric: tabular-nums;
            color: var(--white);
            line-height: 1.2;
            display: block;
        }

        .count-label {
            font-size: 0.75rem;
            color: rgba(255, 255, 255, 0.6);
            display: block;
            margin-top: 4px;
        }

        .count-sep {
            font-size: 2rem;
            color: rgba(255, 255, 255, 0.4);
            font-weight: 300;
        }

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

        .faq-list {
            max-width: 820px;
            margin: 0 auto;
            display: flex;
            flex-direction: column;
            gap: 12px;
        }

        .faq-item {
            border: 1px solid var(--border);
            border-radius: 12px;
            background: var(--bg);
            transition: border-color 0.3s ease, box-shadow 0.3s ease;
            overflow: hidden;
        }

        .faq-item.open {
            border-color: rgba(11, 110, 110, 0.3);
            box-shadow: var(--shadow-sm);
        }

        .faq-question {
            display: flex;
            align-items: center;
            justify-content: space-between;
            gap: 1rem;
            padding: 1.25rem 1.5rem;
            font-size: 0.9375rem;
            font-weight: 600;
            color: var(--text);
            cursor: pointer;
            text-align: left;
            width: 100%;
            background: none;
            border: none;
            line-height: 1.5;
        }

        .faq-question .faq-icon {
            flex-shrink: 0;
            width: 24px;
            height: 24px;
            border-radius: 50%;
            background: var(--primary-light);
            display: flex;
            align-items: center;
            justify-content: center;
            color: var(--primary);
            font-size: 0.875rem;
            transition: transform 0.3s ease;
        }

        .faq-item.open .faq-icon {
            transform: rotate(45deg);
        }

        .faq-answer {
            display: none;
            padding: 0 1.5rem 1.25rem;
            font-size: 0.875rem;
            color: var(--text-sub);
            line-height: 1.7;
        }

        .faq-item.open .faq-answer {
            display: block;
        }

        /* ===== Contact Section ===== */
        .contact-section {
            background: var(--bg);
        }

        .contact-grid {
            display: grid;
            grid-template-columns: 40% 60%;
            gap: 3rem;
            align-items: stretch;
        }

        .contact-left {
            background: var(--white);
            border: 1px solid var(--border);
            border-radius: var(--radius);
            padding: 2rem;
            box-shadow: var(--shadow-sm);
        }

        .contact-left h3 {
            font-size: 1.25rem;
            font-weight: 700;
            color: var(--text);
            margin-bottom: 1.5rem;
        }

        .promise-list {
            list-style: none;
        }

        .promise-list li {
            display: flex;
            align-items: flex-start;
            gap: 12px;
            padding: 0.9rem 0;
            border-bottom: 1px solid var(--border);
            font-size: 0.875rem;
            color: var(--text);
            line-height: 1.5;
        }

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

        .promise-icon {
            width: 36px;
            height: 36px;
            border-radius: 10px;
            background: var(--primary-light);
            display: flex;
            align-items: center;
            justify-content: center;
            color: var(--primary);
            flex-shrink: 0;
        }

        .promise-icon svg {
            width: 20px;
            height: 20px;
        }

        .contact-right {
            background: var(--white);
            border: 1px solid var(--border);
            border-radius: var(--radius);
            padding: 2rem;
            box-shadow: var(--shadow-sm);
        }

        .contact-right h3 {
            font-size: 1.25rem;
            font-weight: 700;
            color: var(--text);
            margin-bottom: 0.5rem;
        }

        .contact-right > p {
            font-size: 0.875rem;
            color: var(--text-sub);
            margin-bottom: 1.5rem;
        }

        .form-grid {
            display: grid;
            grid-template-columns: 1fr 1fr;
            gap: 1rem;
        }

        .form-group {
            display: flex;
            flex-direction: column;
            margin-bottom: 0.5rem;
        }

        .form-group.full-width {
            grid-column: 1 / -1;
        }

        .form-group label {
            font-size: 0.8125rem;
            font-weight: 500;
            color: var(--text);
            margin-bottom: 0.375rem;
        }

        .form-group label .required {
            color: var(--action);
            margin-left: 2px;
        }

        .form-group input,
        .form-group select,
        .form-group textarea {
            border: 1px solid var(--border);
            border-radius: var(--radius-xs);
            padding: 0.75rem 1rem;
            font-size: 0.875rem;
            background: var(--white);
            color: var(--text);
            transition: border-color 0.25s ease, box-shadow 0.25s ease;
            width: 100%;
        }

        .form-group input:focus,
        .form-group select:focus,
        .form-group textarea:focus {
            outline: none;
            border-color: var(--primary);
            box-shadow: 0 0 0 3px rgba(11, 110, 110, 0.12);
        }

        .form-group textarea {
            min-height: 110px;
            resize: vertical;
        }

        .form-group input.error,
        .form-group select.error,
        .form-group textarea.error {
            border-color: var(--error);
        }

        .form-group .error-msg {
            font-size: 0.75rem;
            color: var(--error);
            margin-top: 4px;
            display: none;
        }

        .form-group.has-error .error-msg {
            display: block;
        }

        .form-group.has-error input,
        .form-group.has-error select,
        .form-group.has-error textarea {
            border-color: var(--error);
        }

        .form-submit {
            grid-column: 1 / -1;
            margin-top: 0.5rem;
        }

        .form-feedback {
            display: none;
            padding: 0.875rem 1rem;
            border-radius: var(--radius-xs);
            font-size: 0.875rem;
            margin-top: 1rem;
        }

        .form-feedback.success {
            display: block;
            background: rgba(43, 164, 113, 0.1);
            color: var(--success);
            border: 1px solid rgba(43, 164, 113, 0.3);
        }

        .form-feedback.error {
            display: block;
            background: rgba(214, 69, 65, 0.08);
            color: var(--error);
            border: 1px solid rgba(214, 69, 65, 0.3);
        }

        /* ===== Footer ===== */
        .site-footer {
            background: var(--dark);
            color: rgba(255, 255, 255, 0.72);
            padding: 4rem 0 0;
        }

        .footer-grid {
            display: grid;
            grid-template-columns: 1.3fr 0.8fr 1fr 0.8fr;
            gap: 3rem;
            padding-bottom: 3rem;
        }

        .footer-brand .brand-logo {
            margin-bottom: 1rem;
        }

        .footer-brand .brand-name {
            color: var(--white);
            font-size: 1.25rem;
        }

        .footer-brand .brand-sub {
            background: rgba(255, 255, 255, 0.1);
            color: rgba(255, 255, 255, 0.7);
        }

        .footer-description {
            font-size: 0.8125rem;
            line-height: 1.7;
            color: rgba(255, 255, 255, 0.55);
            max-width: 300px;
            margin-top: 0.75rem;
        }

        .footer-title {
            font-size: 0.9375rem;
            font-weight: 600;
            color: var(--white);
            margin-bottom: 1.25rem;
            position: relative;
            padding-bottom: 0.5rem;
        }

        .footer-title::after {
            content: "";
            position: absolute;
            bottom: 0;
            left: 0;
            width: 24px;
            height: 2px;
            background: var(--accent);
            border-radius: 1px;
        }

        .footer-links {
            list-style: none;
            display: flex;
            flex-direction: column;
            gap: 0.6rem;
        }

        .footer-links a {
            font-size: 0.8125rem;
            color: rgba(255, 255, 255, 0.6);
            display: inline-block;
            padding-left: 0;
            transition: all 0.25s ease;
        }

        .footer-links a:hover {
            color: var(--white);
            padding-left: 10px;
            border-left: 4px solid var(--primary);
        }

        .footer-contact {
            list-style: none;
            display: flex;
            flex-direction: column;
            gap: 0.75rem;
        }

        .footer-contact li {
            display: flex;
            align-items: flex-start;
            gap: 10px;
            font-size: 0.8125rem;
            color: rgba(255, 255, 255, 0.6);
            line-height: 1.6;
        }

        .footer-contact li svg {
            width: 18px;
            height: 18px;
            flex-shrink: 0;
            color: var(--accent);
            margin-top: 2px;
        }

        .footer-qr {
            width: 110px;
            height: 110px;
            border-radius: 12px;
            border: 1px solid rgba(255, 255, 255, 0.15);
            background: rgba(255, 255, 255, 0.06);
            display: flex;
            align-items: center;
            justify-content: center;
            color: rgba(255, 255, 255, 0.45);
            font-size: 0.6875rem;
            text-align: center;
            line-height: 1.4;
        }

        .footer-bottom {
            border-top: 1px solid rgba(255, 255, 255, 0.08);
            padding: 1.5rem 0;
            text-align: center;
            font-size: 0.75rem;
            color: rgba(255, 255, 255, 0.4);
        }

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

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

        /* ===== Focus Visible ===== */
        a:focus-visible,
        button:focus-visible {
            outline: 3px solid rgba(11, 110, 110, 0.35);
            outline-offset: 2px;
        }

        /* ===== Responsive ===== */
        @media (max-width: 1023px) {
            :root {
                --section-gap: 4.5rem;
            }

            .dock-nav {
                gap: 0.75rem;
                padding: 0.625rem 1rem;
            }

            .nav-menu {
                display: none;
            }

            .nav-toggle {
                display: flex;
            }

            .nav-actions .btn-consult {
                display: none;
            }

            .hero {
                padding: 6.5rem 0 3rem;
            }

            .hero .container {
                grid-template-columns: 1fr;
                gap: 2.5rem;
            }

            .hero-visual {
                max-width: 520px;
                margin: 0 auto;
            }

            .hero-subtitle {
                max-width: 100%;
            }

            .trust-grid {
                justify-content: center;
            }

            .trust-item:not(:last-child)::after {
                display: none;
            }

            .news-grid {
                grid-template-columns: repeat(2, 1fr);
                gap: 20px;
            }

            .tier-grid {
                grid-template-columns: repeat(2, 1fr);
                gap: 20px;
            }

            .tier-card.featured {
                grid-column: span 2;
                order: -1;
            }

            .contact-grid {
                grid-template-columns: 1fr;
                gap: 2rem;
            }

            .footer-grid {
                grid-template-columns: 1fr 1fr;
                gap: 2rem;
            }
        }

        @media (max-width: 767px) {
            :root {
                --section-gap: 3rem;
            }

            .container {
                padding: 0 16px;
            }

            .hero {
                min-height: auto;
                padding: 7rem 0 3.5rem;
            }

            .hero-title {
                font-size: clamp(1.75rem, 7vw, 2.25rem);
            }

            .hero-buttons .btn {
                width: 100%;
            }

            .hero-float-badge {
                top: -10px;
                left: 8px;
            }

            .trust-grid {
                flex-direction: column;
                gap: 1.25rem;
            }

            .trust-item {
                justify-content: flex-start;
                min-width: 100%;
            }

            .news-grid {
                grid-template-columns: 1fr;
                gap: 16px;
            }

            .tier-grid {
                grid-template-columns: 1fr;
                gap: 16px;
            }

            .tier-card.featured {
                grid-column: span 1;
                order: initial;
            }

            .tier-card {
                padding: 1.5rem;
            }

            .compare-wrap {
                border-radius: var(--radius-sm);
            }

            .limited-section {
                padding: 4rem 0;
            }

            .countdown {
                gap: 0.375rem;
            }

            .count-item {
                padding: 0.625rem 0.875rem;
                min-width: 64px;
                border-radius: 12px;
            }

            .count-num {
                font-size: 1.5rem;
            }

            .count-sep {
                font-size: 1.25rem;
            }

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

            .form-group.full-width {
                grid-column: span 1;
            }

            .contact-left,
            .contact-right {
                padding: 1.5rem;
            }

            .footer-grid {
                grid-template-columns: 1fr;
                gap: 2rem;
            }

            .footer-qr {
                margin: 0 auto;
            }

            .footer-bottom {
                padding: 1.25rem 16px;
            }
        }

        @media (max-width: 360px) {
            .brand-name {
                font-size: 1.125rem;
            }

            .brand-sub {
                font-size: 0.6875rem;
                padding: 0.1rem 0.35rem;
            }

            .hero-buttons .btn {
                font-size: 0.875rem;
                padding: 0.8125rem 1.5rem;
            }

            .section-title {
                font-size: 1.5rem;
            }

            .countdown {
                flex-wrap: wrap;
            }
        }

/* roulang page: category1 */
:root {
            --primary: #0B6E6E;
            --primary-dark: #085754;
            --primary-light: rgba(11, 110, 110, 0.1);
            --accent: #F5A623;
            --accent-dark: #D48F15;
            --action: #E2553E;
            --action-dark: #C44831;
            --bg: #FAF8F4;
            --dark: #132B2B;
            --ink: #1F2A2A;
            --ink-2: #5A6B6B;
            --border: #DCE5E3;
            --success: #2BA471;
            --error: #D64541;
            --radius-card: 16px;
            --radius-btn: 10px;
            --radius-input: 8px;
            --shadow-xs: 0 1px 3px rgba(19, 43, 43, 0.06);
            --shadow-md: 0 8px 28px rgba(19, 43, 43, 0.10);
            --shadow-dock: 0 4px 20px rgba(19, 43, 43, 0.08);
            --shadow-glow: 0 20px 50px rgba(11, 110, 110, 0.25);
            --font-stack: "PingFang SC", "Microsoft YaHei", "Noto Sans SC", system-ui, -apple-system, sans-serif;
            --space-section: 6rem;
            --space-section-mobile: 3.5rem;
            --container-max: 1200px;
        }

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

        html {
            scroll-behavior: smooth;
        }

        body {
            font-family: var(--font-stack);
            font-size: 1rem;
            line-height: 1.75;
            color: var(--ink);
            background: var(--bg);
            -webkit-font-smoothing: antialiased;
            overflow-x: hidden;
        }

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

        a {
            color: var(--primary);
            text-decoration: none;
            transition: color 0.25s ease;
        }

        a:hover {
            color: var(--primary-dark);
        }

        ul {
            list-style: none;
        }

        button, input, select, textarea {
            font-family: inherit;
            font-size: inherit;
            color: inherit;
            border: none;
            outline: none;
            background: none;
        }

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

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

        .section-header {
            text-align: center;
            margin-bottom: 3rem;
        }

        .section-header .section-title {
            font-size: clamp(1.5rem, 2.5vw, 2.25rem);
            font-weight: 700;
            line-height: 1.3;
            color: var(--ink);
            letter-spacing: 0.01em;
            position: relative;
            display: inline-block;
            padding-bottom: 14px;
        }

        .section-header .section-title::after {
            content: "";
            position: absolute;
            left: 50%;
            bottom: 0;
            transform: translateX(-50%);
            width: 42px;
            height: 4px;
            background: var(--primary);
            border-radius: 3px;
        }

        .section-header .section-sub {
            max-width: 640px;
            margin: 16px auto 0;
            color: var(--ink-2);
            font-size: 0.9375rem;
            line-height: 1.7;
        }

        /* ===== 顶部悬浮导航 ===== */
        .nav-wrap {
            position: fixed;
            top: 1rem;
            left: 50%;
            transform: translateX(-50%);
            width: min(1100px, 94%);
            z-index: 1000;
        }

        .site-header {
            background: rgba(250, 248, 244, 0.85);
            -webkit-backdrop-filter: blur(16px);
            backdrop-filter: blur(16px);
            border: 1px solid var(--border);
            border-radius: 999px;
            box-shadow: var(--shadow-dock);
            padding: 0 24px;
            display: flex;
            align-items: center;
            justify-content: space-between;
            height: 64px;
        }

        .brand-logo {
            display: flex;
            flex-direction: column;
            align-items: flex-start;
            line-height: 1.1;
            gap: 1px;
            flex-shrink: 0;
            padding: 0 8px;
        }

        .brand-name {
            font-size: 1.35rem;
            font-weight: 800;
            color: var(--primary);
            letter-spacing: 0.02em;
        }

        .brand-sub {
            font-size: 0.65rem;
            font-weight: 500;
            color: var(--ink-2);
            letter-spacing: 0.14em;
        }

        .nav-menu ul {
            display: flex;
            align-items: center;
            gap: 4px;
            padding: 0;
        }

        .nav-menu .nav-link {
            display: inline-block;
            padding: 8px 18px;
            border-radius: 999px;
            font-size: 0.9375rem;
            font-weight: 500;
            color: var(--ink);
            transition: all 0.25s ease;
            position: relative;
        }

        .nav-menu .nav-link:hover {
            color: var(--primary);
            background: var(--primary-light);
        }

        .nav-menu .nav-link.active {
            background: var(--primary-light);
            color: var(--primary);
            font-weight: 600;
        }

        .nav-menu .nav-link.active::after {
            content: "";
            position: absolute;
            bottom: 4px;
            left: 50%;
            transform: translateX(-50%);
            width: 18px;
            height: 2px;
            border-radius: 2px;
            background: var(--primary);
        }

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

        .nav-search {
            width: 38px;
            height: 38px;
            display: flex;
            align-items: center;
            justify-content: center;
            border-radius: 50%;
            color: var(--ink-2);
            transition: all 0.2s;
            cursor: pointer;
            background: transparent;
        }

        .nav-search:hover {
            background: var(--primary-light);
            color: var(--primary);
        }

        .btn {
            display: inline-flex;
            align-items: center;
            justify-content: center;
            gap: 8px;
            padding: 12px 28px;
            border-radius: var(--radius-btn);
            font-size: 0.9375rem;
            font-weight: 600;
            line-height: 1.2;
            cursor: pointer;
            transition: all 0.25s ease;
            border: none;
            letter-spacing: 0.02em;
            white-space: nowrap;
        }

        .btn-primary {
            background: var(--primary);
            color: #fff;
            box-shadow: 0 4px 12px rgba(11, 110, 110, 0.25);
        }

        .btn-primary:hover {
            background: var(--primary-dark);
            color: #fff;
            transform: scale(1.02);
            box-shadow: 0 8px 20px rgba(11, 110, 110, 0.3);
        }

        .btn-primary:active {
            transform: scale(0.98);
        }

        .btn-secondary {
            background: transparent;
            border: 1.5px solid var(--primary);
            color: var(--primary);
        }

        .btn-secondary:hover {
            background: var(--primary-light);
            border-color: var(--primary-dark);
            color: var(--primary-dark);
        }

        .btn-accent {
            background: var(--action);
            color: #fff;
            box-shadow: 0 6px 20px rgba(226, 85, 62, 0.3);
        }

        .btn-accent:hover {
            background: var(--action-dark);
            color: #fff;
            box-shadow: 0 8px 24px rgba(226, 85, 62, 0.4);
            transform: translateY(-2px);
        }

        .btn-nav {
            padding: 9px 22px;
            font-size: 0.875rem;
        }

        .btn-lg {
            padding: 15px 38px;
            font-size: 1rem;
        }

        a:focus-visible, button:focus-visible, input:focus-visible, select:focus-visible, textarea:focus-visible {
            outline: 3px solid rgba(11, 110, 110, 0.4);
            outline-offset: 2px;
        }

        .hamburger {
            display: none;
            width: 42px;
            height: 42px;
            flex-direction: column;
            align-items: center;
            justify-content: center;
            gap: 5px;
            border-radius: 50%;
            cursor: pointer;
            background: transparent;
        }

        .hamburger span {
            display: block;
            width: 20px;
            height: 2px;
            background: var(--ink);
            border-radius: 2px;
            transition: all 0.3s ease;
        }

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

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

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

        /* ===== Hero 分类首屏 ===== */
        .category-hero {
            position: relative;
            min-height: 88vh;
            display: flex;
            align-items: center;
            padding: 140px 0 80px;
            background: linear-gradient(135deg, rgba(11, 110, 110, 0.88), rgba(19, 43, 43, 0.72)),
                        url('/assets/images/backpic/back-1.webp') center/cover no-repeat;
            color: #fff;
            overflow: hidden;
        }

        .category-hero .container {
            position: relative;
            z-index: 2;
            display: grid;
            grid-template-columns: 1.1fr 0.9fr;
            gap: 60px;
            align-items: center;
        }

        .hero-badge {
            display: inline-flex;
            align-items: center;
            gap: 8px;
            background: rgba(226, 85, 62, 0.2);
            color: #FFD9D1;
            border-radius: 999px;
            padding: 6px 18px;
            font-size: 0.8125rem;
            font-weight: 500;
            letter-spacing: 0.04em;
            margin-bottom: 20px;
        }

        .hero-badge svg {
            width: 16px;
            height: 16px;
        }

        .category-hero h1 {
            font-size: clamp(2.25rem, 5vw, 3.5rem);
            font-weight: 800;
            line-height: 1.15;
            letter-spacing: 0.01em;
            margin-bottom: 20px;
            color: #fff;
        }

        .category-hero h1 span {
            color: #FFE2A8;
        }

        .category-hero .hero-sub {
            font-size: clamp(0.9375rem, 1.5vw, 1.125rem);
            line-height: 1.75;
            color: rgba(255, 255, 255, 0.82);
            max-width: 540px;
            margin-bottom: 32px;
        }

        .hero-ctas {
            display: flex;
            gap: 16px;
            flex-wrap: wrap;
        }

        .hero-ctas .btn-secondary {
            border-color: rgba(255, 255, 255, 0.7);
            color: #fff;
            background: rgba(255, 255, 255, 0.08);
        }

        .hero-ctas .btn-secondary:hover {
            background: rgba(255, 255, 255, 0.18);
            border-color: #fff;
        }

        .hero-visual {
            position: relative;
        }

        .hero-visual img {
            border-radius: 24px;
            box-shadow: var(--shadow-glow);
            border: 2px solid rgba(255, 255, 255, 0.2);
            width: 100%;
            height: auto;
            object-fit: cover;
            aspect-ratio: 4/3;
        }

        .hero-float-tag {
            position: absolute;
            top: -14px;
            right: 12px;
            background: #fff;
            color: var(--ink);
            border-radius: 12px;
            padding: 10px 16px;
            font-size: 0.875rem;
            font-weight: 600;
            box-shadow: 0 8px 24px rgba(0, 0, 0, 0.2);
            display: flex;
            align-items: center;
            gap: 8px;
            animation: float-tag 3s ease-in-out infinite;
        }

        .hero-float-tag svg {
            width: 18px;
            height: 18px;
            color: var(--primary);
        }

        @keyframes float-tag {
            0%, 100% { transform: translateY(0); }
            50% { transform: translateY(-6px); }
        }

        /* ===== 信任指标条 ===== */
        .trust-bar {
            background: #fff;
            border-bottom: 1px solid var(--border);
            padding: 28px 0;
        }

        .trust-grid {
            display: flex;
            justify-content: space-around;
            align-items: center;
            flex-wrap: wrap;
            gap: 20px;
        }

        .trust-item {
            display: flex;
            align-items: center;
            gap: 16px;
        }

        .trust-item .trust-num {
            font-size: 2rem;
            font-weight: 800;
            color: var(--primary);
            line-height: 1;
        }

        .trust-item .trust-label {
            font-size: 0.8125rem;
            color: var(--ink-2);
            line-height: 1.4;
        }

        /* ===== 分类亮点卡片 ===== */
        .feature-grid {
            display: grid;
            grid-template-columns: repeat(4, 1fr);
            gap: 24px;
        }

        .feature-card {
            background: #fff;
            border: 1px solid var(--border);
            border-radius: var(--radius-card);
            padding: 32px 24px;
            text-align: center;
            box-shadow: var(--shadow-xs);
            transition: all 0.3s ease;
        }

        .feature-card:hover {
            transform: translateY(-4px);
            box-shadow: var(--shadow-md);
            border-color: rgba(11, 110, 110, 0.4);
        }

        .feature-icon {
            width: 60px;
            height: 60px;
            margin: 0 auto 20px;
            border-radius: 16px;
            background: var(--primary-light);
            display: flex;
            align-items: center;
            justify-content: center;
            color: var(--primary);
        }

        .feature-icon svg {
            width: 30px;
            height: 30px;
        }

        .feature-card h3 {
            font-size: 1.125rem;
            font-weight: 600;
            margin-bottom: 10px;
            color: var(--ink);
        }

        .feature-card p {
            font-size: 0.875rem;
            color: var(--ink-2);
            line-height: 1.65;
        }

        /* ===== 内容主区 / 图文交错 ===== */
        .content-split {
            background: #fff;
            border-top: 1px solid var(--border);
            border-bottom: 1px solid var(--border);
        }

        .content-block {
            display: grid;
            grid-template-columns: 1fr 1fr;
            gap: 64px;
            align-items: center;
        }

        .content-block .content-media img {
            border-radius: 20px;
            box-shadow: var(--shadow-md);
            width: 100%;
            height: auto;
            object-fit: cover;
        }

        .content-block .content-copy .section-title {
            text-align: left;
            margin-bottom: 20px;
            font-size: clamp(1.5rem, 2.5vw, 2rem);
            font-weight: 700;
            color: var(--ink);
            line-height: 1.3;
        }

        .content-block .content-copy .section-title::after {
            left: 0;
            transform: none;
        }

        .content-block .content-copy p {
            color: var(--ink-2);
            font-size: 0.9375rem;
            line-height: 1.8;
            margin-bottom: 14px;
        }

        .check-list {
            margin-top: 18px;
        }

        .check-list li {
            display: flex;
            align-items: flex-start;
            gap: 10px;
            padding: 6px 0;
            font-size: 0.9375rem;
            color: var(--ink);
        }

        .check-list li svg {
            width: 20px;
            height: 20px;
            color: var(--primary);
            flex-shrink: 0;
            margin-top: 2px;
        }

        /* ===== 观赛流程 ===== */
        .process-section {
            background: var(--bg);
        }

        .process-grid {
            display: grid;
            grid-template-columns: repeat(4, 1fr);
            gap: 24px;
        }

        .process-card {
            background: #fff;
            border: 1px solid var(--border);
            border-radius: var(--radius-card);
            padding: 32px 24px;
            position: relative;
            text-align: left;
            box-shadow: var(--shadow-xs);
            transition: all 0.3s;
        }

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

        .process-num {
            font-size: 2.25rem;
            font-weight: 800;
            color: var(--primary);
            opacity: 0.22;
            line-height: 1;
            margin-bottom: 16px;
        }

        .process-card h3 {
            font-size: 1.0625rem;
            font-weight: 600;
            margin-bottom: 8px;
            color: var(--ink);
        }

        .process-card p {
            font-size: 0.875rem;
            color: var(--ink-2);
            line-height: 1.65;
        }

        /* ===== 场景区块 ===== */
        .scenario-grid {
            display: grid;
            grid-template-columns: repeat(2, 1fr);
            gap: 24px;
        }

        .scenario-card {
            display: flex;
            gap: 20px;
            background: #fff;
            border: 1px solid var(--border);
            border-radius: var(--radius-card);
            padding: 28px;
            box-shadow: var(--shadow-xs);
            transition: all 0.3s;
        }

        .scenario-card:hover {
            box-shadow: var(--shadow-md);
            transform: translateY(-3px);
            border-color: rgba(11, 110, 110, 0.4);
        }

        .scenario-icon {
            width: 52px;
            height: 52px;
            flex-shrink: 0;
            border-radius: 14px;
            background: var(--primary-light);
            display: flex;
            align-items: center;
            justify-content: center;
            color: var(--primary);
        }

        .scenario-icon svg {
            width: 26px;
            height: 26px;
        }

        .scenario-card h3 {
            font-size: 1.0625rem;
            font-weight: 600;
            color: var(--ink);
            margin-bottom: 6px;
        }

        .scenario-card p {
            font-size: 0.875rem;
            color: var(--ink-2);
            line-height: 1.65;
        }

        /* ===== FAQ ===== */
        .faq-section {
            background: #fff;
            border-top: 1px solid var(--border);
        }

        .faq-list {
            max-width: 768px;
            margin: 0 auto;
        }

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

        .faq-item.open {
            border-color: rgba(11, 110, 110, 0.4);
        }

        .faq-question {
            display: flex;
            align-items: center;
            justify-content: space-between;
            padding: 20px 24px;
            cursor: pointer;
            font-weight: 500;
            font-size: 0.9375rem;
            color: var(--ink);
            user-select: none;
        }

        .faq-question .faq-icon {
            width: 26px;
            height: 26px;
            flex-shrink: 0;
            display: flex;
            align-items: center;
            justify-content: center;
            border-radius: 50%;
            background: var(--primary-light);
            color: var(--primary);
            transition: transform 0.3s ease;
            font-size: 1.125rem;
            font-weight: 600;
        }

        .faq-item.open .faq-question .faq-icon {
            transform: rotate(45deg);
        }

        .faq-answer {
            max-height: 0;
            overflow: hidden;
            transition: max-height 0.35s ease;
        }

        .faq-item.open .faq-answer {
            max-height: 300px;
        }

        .faq-answer p {
            padding: 0 24px 20px;
            font-size: 0.875rem;
            color: var(--ink-2);
            line-height: 1.75;
            border-top: 1px solid var(--border);
            padding-top: 16px;
        }

        /* ===== CTA 深色区块 ===== */
        .cta-strip {
            background: var(--dark);
            position: relative;
            overflow: hidden;
            padding: 80px 0;
            text-align: center;
        }

        .cta-strip::before {
            content: "";
            position: absolute;
            inset: 0;
            background: url('/assets/images/backpic/back-2.webp') center/cover no-repeat;
            opacity: 0.18;
        }

        .cta-strip .container {
            position: relative;
            z-index: 1;
        }

        .cta-strip h2 {
            color: #fff;
            font-size: clamp(1.5rem, 2.5vw, 2.25rem);
            font-weight: 700;
            margin-bottom: 14px;
        }

        .cta-strip p {
            color: rgba(255, 255, 255, 0.72);
            font-size: 0.9375rem;
            max-width: 560px;
            margin: 0 auto 32px;
            line-height: 1.75;
        }

        .cta-strip .btn-accent {
            box-shadow: 0 6px 30px rgba(226, 85, 62, 0.4);
        }

        /* ===== 相关分类 ===== */
        .related-cat {
            background: var(--bg);
        }

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

        .related-card {
            background: #fff;
            border: 1px solid var(--border);
            border-radius: var(--radius-card);
            overflow: hidden;
            box-shadow: var(--shadow-xs);
            transition: all 0.3s ease;
            position: relative;
        }

        .related-card:hover {
            transform: translateY(-6px);
            box-shadow: var(--shadow-md);
            border-color: rgba(11, 110, 110, 0.4);
        }

        .related-card img {
            width: 100%;
            height: 180px;
            object-fit: cover;
        }

        .related-card .related-body {
            padding: 24px;
        }

        .related-card .related-tag {
            display: inline-block;
            font-size: 0.75rem;
            color: var(--primary);
            background: var(--primary-light);
            border-radius: 999px;
            padding: 4px 12px;
            margin-bottom: 12px;
            font-weight: 500;
        }

        .related-card h3 {
            font-size: 1.125rem;
            font-weight: 600;
            color: var(--ink);
            margin-bottom: 8px;
        }

        .related-card p {
            font-size: 0.875rem;
            color: var(--ink-2);
            line-height: 1.6;
        }

        .related-card .related-link {
            display: inline-flex;
            align-items: center;
            gap: 5px;
            margin-top: 16px;
            font-weight: 500;
            font-size: 0.875rem;
        }

        .related-card .related-link svg {
            width: 16px;
            height: 16px;
            transition: transform 0.3s;
        }

        .related-card:hover .related-link svg {
            transform: translateX(4px);
        }

        .related-card .related-current {
            position: absolute;
            top: 12px;
            right: 12px;
            background: var(--action);
            color: #fff;
            font-size: 0.75rem;
            padding: 4px 12px;
            border-radius: 999px;
            font-weight: 500;
        }

        /* ===== 页脚 ===== */
        .site-footer {
            background: var(--dark);
            color: rgba(255, 255, 255, 0.72);
            padding-top: 64px;
        }

        .footer-grid {
            display: grid;
            grid-template-columns: 1.4fr 1fr 1fr 0.8fr;
            gap: 48px;
            padding-bottom: 48px;
            border-bottom: 1px solid rgba(255, 255, 255, 0.1);
        }

        .footer-brand .brand-logo {
            margin-bottom: 16px;
        }

        .footer-brand .brand-name {
            color: #fff;
            font-size: 1.5rem;
        }

        .footer-brand .brand-sub {
            color: rgba(255, 255, 255, 0.5);
        }

        .footer-description {
            font-size: 0.875rem;
            line-height: 1.75;
            color: rgba(255, 255, 255, 0.55);
            margin-bottom: 24px;
        }

        .footer-title {
            color: #fff;
            font-size: 0.9375rem;
            font-weight: 600;
            margin-bottom: 20px;
            letter-spacing: 0.04em;
        }

        .footer-links li, .footer-contact li {
            margin-bottom: 12px;
        }

        .footer-links a {
            color: rgba(255, 255, 255, 0.6);
            font-size: 0.875rem;
            padding-left: 0;
            transition: all 0.25s;
            display: inline-block;
        }

        .footer-links a:hover {
            color: #fff;
            padding-left: 8px;
            border-left: 3px solid var(--primary);
            padding-left: 10px;
            border-left-color: var(--accent);
        }

        .footer-contact li {
            display: flex;
            align-items: center;
            gap: 10px;
            font-size: 0.875rem;
        }

        .footer-contact svg {
            width: 18px;
            height: 18px;
            flex-shrink: 0;
            color: var(--accent);
        }

        .footer-qr-placeholder {
            width: 120px;
            height: 120px;
            background: rgba(255, 255, 255, 0.08);
            border: 1px solid rgba(255, 255, 255, 0.15);
            border-radius: 12px;
            display: flex;
            align-items: center;
            justify-content: center;
            color: rgba(255, 255, 255, 0.5);
            font-size: 0.75rem;
        }

        .footer-bottom {
            padding: 24px 0;
            display: flex;
            justify-content: space-between;
            align-items: center;
            flex-wrap: wrap;
            gap: 12px;
            font-size: 0.8125rem;
            color: rgba(255, 255, 255, 0.4);
        }

        .footer-bottom a {
            color: rgba(255, 255, 255, 0.4);
        }

        .footer-bottom a:hover {
            color: #fff;
        }

        /* ===== 移动端导航面板 ===== */
        .mobile-menu {
            display: none;
            position: fixed;
            top: 5rem;
            left: 3%;
            width: 94%;
            background: var(--bg);
            border-radius: 20px;
            box-shadow: var(--shadow-md);
            border: 1px solid var(--border);
            z-index: 999;
            padding: 24px;
        }

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

        .mobile-menu ul li {
            margin-bottom: 4px;
        }

        .mobile-menu .nav-link {
            display: block;
            padding: 14px 16px;
            border-radius: 10px;
            font-size: 1rem;
            color: var(--ink);
            transition: all 0.2s;
        }

        .mobile-menu .nav-link:hover {
            background: var(--primary-light);
        }

        .mobile-menu .nav-link.active {
            background: var(--primary-light);
            color: var(--primary);
            font-weight: 600;
        }

        .mobile-menu .btn {
            width: 100%;
            margin-top: 16px;
        }

        /* ===== 响应式断点 ===== */
        @media (min-width: 768px) and (max-width: 1023px) {
            .feature-grid {
                grid-template-columns: repeat(2, 1fr);
            }

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

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

            .category-hero .container {
                grid-template-columns: 1fr;
                gap: 32px;
            }

            .hero-visual {
                max-width: 560px;
                margin: 0 auto;
            }

            .content-block {
                grid-template-columns: 1fr;
                gap: 32px;
            }

            .nav-menu ul {
                gap: 2px;
            }

            .nav-menu .nav-link {
                padding: 8px 12px;
                font-size: 0.85rem;
            }

            .nav-search {
                display: none;
            }

            .footer-grid {
                grid-template-columns: 1fr 1fr;
                gap: 32px;
            }
        }

        @media (max-width: 767px) {
            :root {
                --space-section: 3.5rem;
            }

            .container {
                padding: 0 16px;
            }

            .nav-wrap {
                width: 96%;
                top: 0.75rem;
            }

            .site-header {
                padding: 0 14px;
                height: 58px;
            }

            .brand-name {
                font-size: 1.2rem;
            }

            .brand-sub {
                font-size: 0.6rem;
            }

            .nav-menu {
                display: none;
            }

            .nav-actions .btn-nav {
                display: none;
            }

            .hamburger {
                display: flex;
            }

            .nav-search {
                display: flex;
            }

            .category-hero {
                padding: 110px 0 60px;
                min-height: 90vh;
                text-align: center;
            }

            .category-hero .container {
                grid-template-columns: 1fr;
                gap: 36px;
            }

            .category-hero .hero-sub {
                margin-left: auto;
                margin-right: auto;
                font-size: 0.9375rem;
            }

            .hero-ctas {
                justify-content: center;
            }

            .hero-ctas .btn {
                min-width: 140px;
                min-height: 48px;
            }

            .hero-visual {
                max-width: 100%;
            }

            .trust-grid {
                flex-direction: column;
                gap: 16px;
                text-align: center;
            }

            .trust-item {
                justify-content: center;
            }

            .feature-grid {
                grid-template-columns: 1fr;
                gap: 16px;
            }

            .process-grid {
                grid-template-columns: 1fr;
                gap: 16px;
            }

            .scenario-grid {
                grid-template-columns: 1fr;
                gap: 16px;
            }

            .related-grid {
                grid-template-columns: 1fr;
                gap: 16px;
            }

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

            .content-block .content-media img {
                border-radius: 14px;
            }

            .section-header {
                margin-bottom: 2rem;
            }

            .footer-grid {
                grid-template-columns: 1fr;
                gap: 32px;
                padding-bottom: 32px;
            }

            .footer-bottom {
                flex-direction: column;
                text-align: center;
            }

            .faq-question {
                padding: 16px 18px;
                font-size: 0.875rem;
                line-height: 1.4;
            }

            .faq-answer p {
                padding: 0 18px 16px;
                font-size: 0.8125rem;
            }

            .cta-strip .btn {
                min-width: 160px;
                min-height: 48px;
            }
        }

        @media (max-width: 360px) {
            body {
                font-size: 0.9375rem;
            }

            .category-hero h1 {
                font-size: 1.75rem;
            }

            .hero-ctas {
                flex-direction: column;
                align-items: center;
            }

            .hero-ctas .btn {
                width: 100%;
            }

            .brand-name {
                font-size: 1.1rem;
            }

            .site-header {
                padding: 0 10px;
            }
        }

        @media (min-width: 1024px) and (max-width: 1100px) {
            .nav-menu .nav-link {
                padding: 8px 12px;
                font-size: 0.875rem;
            }

            .btn-nav {
                padding: 9px 16px;
                font-size: 0.8125rem;
            }
        }

/* roulang page: article */
/* ===== 设计变量 ===== */
:root {
    --primary: #0B6E6E;
    --primary-dark: #085754;
    --accent: #F5A623;
    --action: #E2553E;
    --action-dark: #C44831;
    --bg: #FAF8F4;
    --dark: #132B2B;
    --text: #1F2A2A;
    --text-light: #5A6B6B;
    --border: #DCE5E3;
    --success: #2BA471;
    --error: #D64541;
    --radius-card: 15px;
    --radius-btn: 9px;
    --radius-pill: 999px;
    --shadow-card: 0 1px 3px rgba(19,43,43,0.06);
    --shadow-hover: 0 8px 28px rgba(19,43,43,0.10);
    --shadow-dock: 0 4px 20px rgba(19,43,43,0.08);
    --font-family: "PingFang SC", "Microsoft YaHei", "Noto Sans SC", system-ui, -apple-system, sans-serif;
}

/* ===== Reset / 基础 ===== */
*, *::before, *::after { box-sizing: border-box; }
html { scroll-behavior: smooth; }
body {
    margin: 0;
    font-family: var(--font-family);
    font-size: 1rem;
    line-height: 1.75;
    color: var(--text);
    background: var(--bg);
    -webkit-font-smoothing: antialiased;
    padding-top: 88px;
}
img { max-width: 100%; display: block; }
a { color: var(--primary); text-decoration: none; transition: color 0.2s ease; }
a:hover { color: var(--primary-dark); }
button { font-family: inherit; cursor: pointer; border: none; background: none; }
input, select, textarea { font-family: inherit; font-size: 1rem; }
.container { width: 100%; max-width: 1200px; margin: 0 auto; padding-left: 24px; padding-right: 24px; }
a:focus-visible, button:focus-visible {
    outline: 3px solid rgba(11,110,110,0.3);
    outline-offset: 2px;
    border-radius: 4px;
}

/* ===== 按钮 ===== */
.btn-primary {
    display: inline-flex; align-items: center; justify-content: center; gap: 8px;
    background: var(--primary); color: #fff; border: none;
    border-radius: var(--radius-btn); padding: 0.75rem 1.75rem;
    font-size: 0.9375rem; font-weight: 600; cursor: pointer;
    transition: all 0.2s ease; box-shadow: var(--shadow-card);
    text-decoration: none; line-height: 1.4;
}
.btn-primary:hover { background: var(--primary-dark); color: #fff; transform: scale(1.02); box-shadow: 0 6px 20px rgba(11,110,110,0.25); }
.btn-primary:active { transform: scale(0.98); }
.btn-secondary {
    display: inline-flex; align-items: center; justify-content: center; gap: 8px;
    background: transparent; color: var(--primary); border: 1.5px solid var(--primary);
    border-radius: var(--radius-btn); padding: 0.75rem 1.75rem;
    font-size: 0.9375rem; font-weight: 600; cursor: pointer;
    transition: all 0.2s ease; text-decoration: none; line-height: 1.4;
}
.btn-secondary:hover { background: rgba(11,110,110,0.08); border-color: var(--primary-dark); color: var(--primary-dark); }
.btn-urgent {
    display: inline-flex; align-items: center; justify-content: center; gap: 8px;
    background: var(--action); color: #fff; border: none;
    border-radius: var(--radius-btn); padding: 0.875rem 2rem;
    font-size: 0.9375rem; font-weight: 600; cursor: pointer;
    transition: all 0.2s ease; box-shadow: 0 4px 14px rgba(226,85,62,0.25);
    text-decoration: none; line-height: 1.4;
}
.btn-urgent:hover { background: var(--action-dark); color: #fff; box-shadow: 0 6px 20px rgba(226,85,62,0.35); transform: translateY(-2px); }

/* ===== 浮动 Dock 导航 ===== */
.site-header {
    position: fixed; top: 1rem; left: 50%;
    transform: translateX(-50%);
    width: min(1100px, 94%);
    z-index: 1000;
}
.nav-dock {
    display: flex; align-items: center; gap: 0.75rem;
    background: rgba(250,248,244,0.86);
    -webkit-backdrop-filter: blur(16px);
    backdrop-filter: blur(16px);
    border: 1px solid var(--border);
    border-radius: var(--radius-pill);
    padding: 0.5rem 0.75rem 0.5rem 1.25rem;
    box-shadow: var(--shadow-dock);
}
.brand-logo { display: flex; align-items: baseline; gap: 0.35rem; text-decoration: none; flex-shrink: 0; }
.brand-name { font-size: 1.3rem; font-weight: 800; color: var(--primary); letter-spacing: -0.01em; }
.brand-sub { font-size: 0.7rem; color: var(--text-light); letter-spacing: 0.05em; }
.nav-menu {
    display: flex; align-items: center; gap: 0.5rem;
    margin-left: auto;
}
.nav-menu ul {
    display: flex; align-items: center; gap: 0.25rem;
    list-style: none; margin: 0; padding: 0;
}
.nav-menu .nav-link {
    display: block; padding: 0.55rem 1rem;
    border-radius: var(--radius-pill);
    font-size: 0.9375rem; font-weight: 500;
    color: var(--text); transition: all 0.2s ease;
    position: relative; text-decoration: none;
}
.nav-menu .nav-link:hover { color: var(--primary); background: rgba(11,110,110,0.06); }
.nav-menu .nav-link.active { color: var(--primary); background: rgba(11,110,110,0.10); font-weight: 600; }
.nav-menu .btn-cta { padding: 0.5rem 1.4rem; font-size: 0.875rem; border-radius: var(--radius-pill); white-space: nowrap; }
.nav-toggle {
    display: none; flex-direction: column; gap: 5px;
    padding: 0.5rem; margin-left: auto;
}
.nav-toggle span { width: 22px; height: 2px; background: var(--text); border-radius: 2px; transition: all 0.3s ease; }
.nav-toggle.menu-open span:nth-child(1) { transform: translateY(7px) rotate(45deg); }
.nav-toggle.menu-open span:nth-child(2) { opacity: 0; }
.nav-toggle.menu-open span:nth-child(3) { transform: translateY(-7px) rotate(-45deg); }

/* ===== 文章 Hero ===== */
.article-hero {
    background: linear-gradient(135deg, rgba(11,110,110,0.88), rgba(19,43,43,0.75)), url('/assets/images/backpic/back-1.webp') center/cover no-repeat;
    padding: 3.5rem 0 3rem;
    color: #fff;
}
.breadcrumb {
    display: flex; align-items: center; flex-wrap: wrap; gap: 0.5rem;
    font-size: 0.8125rem; color: rgba(255,255,255,0.7);
    margin-bottom: 1.75rem;
}
.breadcrumb a { color: rgba(255,255,255,0.7); text-decoration: none; }
.breadcrumb a:hover { color: #fff; }
.breadcrumb .sep { color: rgba(255,255,255,0.4); }
.breadcrumb .current { color: #fff; overflow: hidden; white-space: nowrap; text-overflow: ellipsis; max-width: 320px; }
.article-hero-content { max-width: 860px; }
.article-badge {
    display: inline-block;
    background: rgba(245,166,35,0.2);
    color: #F5A623;
    font-size: 0.75rem; font-weight: 600;
    border-radius: 999px; padding: 0.3rem 1rem;
    margin-bottom: 1rem; letter-spacing: 0.02em;
}
.article-hero h1 {
    font-size: clamp(1.65rem, 3.5vw, 2.5rem);
    font-weight: 800; line-height: 1.3;
    margin: 0 0 1.25rem;
    letter-spacing: 0.01em;
}
.article-meta {
    display: flex; align-items: center; flex-wrap: wrap; gap: 1rem 1.5rem;
    font-size: 0.875rem; color: rgba(255,255,255,0.7);
}
.article-meta svg { width: 16px; height: 16px; margin-right: 4px; vertical-align: -3px; }

/* ===== 文章主体区 ===== */
.article-section { padding: 3.5rem 0 4rem; }
.article-container { max-width: 820px; }
.article-body {
    background: #fff;
    border: 1px solid var(--border);
    border-radius: var(--radius-card);
    box-shadow: var(--shadow-card);
    padding: 2.5rem;
    font-size: 1rem;
    line-height: 1.8;
    color: var(--text);
}
.article-body h2 {
    font-size: 1.5rem; font-weight: 700; color: var(--text);
    margin: 2rem 0 1rem; line-height: 1.4;
    padding-bottom: 0.5rem;
    border-bottom: 2px solid rgba(11,110,110,0.15);
}
.article-body h3 {
    font-size: 1.25rem; font-weight: 600; color: var(--text);
    margin: 1.5rem 0 0.75rem; line-height: 1.4;
}
.article-body p { margin: 0 0 1.25rem; color: var(--text); }
.article-body a { color: var(--primary); text-decoration: underline; text-underline-offset: 3px; }
.article-body a:hover { color: var(--primary-dark); }
.article-body ul, .article-body ol { margin: 0 0 1.25rem; padding-left: 1.5rem; }
.article-body li { margin-bottom: 0.5rem; }
.article-body img { border-radius: 12px; margin: 1.5rem 0; width: 100%; height: auto; }
.article-body blockquote {
    border-left: 4px solid var(--primary);
    background: rgba(11,110,110,0.04);
    padding: 1rem 1.5rem;
    border-radius: 0 12px 12px 0;
    margin: 1.5rem 0;
    color: var(--text-light);
    font-style: normal;
}
.article-body blockquote p:last-child { margin-bottom: 0; }
.article-body table { width: 100%; border-collapse: collapse; margin: 1.5rem 0; font-size: 0.9375rem; }
.article-body th, .article-body td { border: 1px solid var(--border); padding: 0.75rem 1rem; text-align: left; }
.article-body th { background: rgba(11,110,110,0.06); font-weight: 600; }
.article-body tr:hover td { background: rgba(11,110,110,0.02); }
.article-body code { background: rgba(11,110,110,0.08); padding: 0.2rem 0.4rem; border-radius: 4px; font-size: 0.875em; }

/* ===== 文章未找到 ===== */
.not-found {
    text-align: center; padding: 3.5rem 1rem;
}
.not-found-icon {
    width: 72px; height: 72px; border-radius: 50%;
    background: rgba(11,110,110,0.08);
    display: flex; align-items: center; justify-content: center;
    margin: 0 auto 1.25rem;
    color: var(--primary);
}
.not-found h2 { font-size: 1.25rem; margin: 0 0 0.5rem; }
.not-found p { color: var(--text-light); margin: 0 0 1.5rem; }

/* ===== 文末操作 ===== */
.article-footer-nav {
    display: flex; align-items: center; justify-content: space-between;
    flex-wrap: wrap; gap: 1rem;
    margin-top: 2rem;
    padding: 1.5rem 2.5rem;
    background: #fff;
    border: 1px solid var(--border);
    border-radius: var(--radius-card);
    box-shadow: var(--shadow-card);
}
.article-footer-nav .info { font-size: 0.875rem; color: var(--text-light); }
.article-footer-nav .btns { display: flex; gap: 0.75rem; flex-wrap: wrap; }

/* ===== 相关推荐 ===== */
.related-section {
    padding: 4rem 0;
    background: linear-gradient(180deg, var(--bg) 0%, #fff 100%);
}
.section-head { margin-bottom: 2.5rem; }
.section-head .section-tag {
    display: inline-block;
    background: rgba(11,110,110,0.08);
    color: var(--primary);
    font-size: 0.75rem; font-weight: 600;
    border-radius: 999px; padding: 0.3rem 0.9rem;
    margin-bottom: 0.75rem;
}
.section-head h2 {
    font-size: clamp(1.5rem, 2.5vw, 2rem);
    font-weight: 700; color: var(--text);
    margin: 0 0 0.75rem; line-height: 1.3;
}
.section-head h2::after {
    content: '';
    display: block;
    width: 40px; height: 4px;
    background: var(--primary);
    border-radius: 2px;
    margin-top: 0.6rem;
}
.section-head p { color: var(--text-light); font-size: 0.9375rem; margin: 0; }
.related-grid {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: 24px;
}
.related-card {
    background: #fff;
    border-radius: var(--radius-card);
    border: 1px solid var(--border);
    overflow: hidden;
    box-shadow: var(--shadow-card);
    transition: all 0.25s ease;
    display: flex; flex-direction: column;
    text-decoration: none; color: var(--text);
}
.related-card:hover {
    transform: translateY(-4px);
    box-shadow: var(--shadow-hover);
    border-color: rgba(11,110,110,0.4);
    color: var(--text);
}
.related-card-img {
    aspect-ratio: 16/9;
    overflow: hidden;
    background: rgba(11,110,110,0.12);
    position: relative;
}
.related-card-img img { width: 100%; height: 100%; object-fit: cover; transition: transform 0.4s ease; }
.related-card:hover .related-card-img img { transform: scale(1.05); }
.related-card-body { padding: 1.5rem; display: flex; flex-direction: column; flex: 1; gap: 0.5rem; }
.card-tag {
    display: inline-block; align-self: flex-start;
    background: rgba(11,110,110,0.08); color: var(--primary);
    font-size: 0.75rem; font-weight: 600;
    border-radius: 999px; padding: 0.25rem 0.75rem;
}
.related-card-title { font-size: 1.125rem; font-weight: 600; margin: 0; color: var(--text); }
.related-card-desc { font-size: 0.875rem; color: var(--text-light); line-height: 1.6; margin: 0; flex: 1; }
.related-card-link {
    color: var(--primary); font-size: 0.875rem; font-weight: 600;
    display: inline-flex; align-items: center; gap: 4px;
    transition: gap 0.2s ease;
}
.related-card:hover .related-card-link { gap: 8px; }

/* ===== CTA 区 ===== */
.cta-section {
    padding: 4.5rem 0;
    background: var(--dark);
    position: relative;
    overflow: hidden;
}
.cta-section::before {
    content: '';
    position: absolute; inset: 0;
    background: url('/assets/images/backpic/back-2.webp') center/cover no-repeat;
    opacity: 0.15;
    pointer-events: none;
}
.cta-box {
    position: relative;
    text-align: center; color: #fff;
    max-width: 720px; margin: 0 auto;
    padding: 3rem 2rem;
    background: rgba(255,255,255,0.06);
    border: 1px solid rgba(255,255,255,0.14);
    border-radius: 24px;
}
.cta-box h2 { font-size: clamp(1.4rem, 2.5vw, 1.9rem); margin: 0 0 0.75rem; font-weight: 700; }
.cta-box p { color: rgba(255,255,255,0.7); margin: 0 0 1.75rem; font-size: 0.9375rem; }

/* ===== 页脚 ===== */
.site-footer {
    background: var(--dark);
    color: rgba(255,255,255,0.72);
    padding: 4rem 0 0;
}
.footer-grid {
    display: grid;
    grid-template-columns: 2fr 1fr 1.6fr 1fr;
    gap: 2.75rem;
    padding-bottom: 3rem;
}
.footer-brand .brand-logo { margin-bottom: 1rem; }
.footer-brand .brand-name { color: #fff; }
.footer-brand .brand-sub { color: rgba(255,255,255,0.5); }
.footer-description { font-size: 0.875rem; line-height: 1.7; color: rgba(255,255,255,0.6); margin: 0; max-width: 320px; }
.footer-title {
    font-size: 0.9375rem; font-weight: 600; color: #fff;
    margin: 0 0 1.25rem;
}
.footer-links { list-style: none; margin: 0; padding: 0; }
.footer-links li { margin-bottom: 0.65rem; }
.footer-links a {
    color: rgba(255,255,255,0.6); text-decoration: none;
    font-size: 0.875rem; transition: all 0.2s ease;
    display: inline-block; position: relative; padding-left: 0;
}
.footer-links a:hover {
    color: #fff;
    padding-left: 12px;
}
.footer-links a:hover::before {
    content: '';
    position: absolute; left: 0; top: 50%;
    transform: translateY(-50%);
    width: 4px; height: 4px;
    background: var(--primary);
    border-radius: 2px;
}
.footer-contact { list-style: none; margin: 0; padding: 0; }
.footer-contact li {
    display: flex; align-items: flex-start; gap: 10px;
    font-size: 0.875rem; color: rgba(255,255,255,0.6);
    margin-bottom: 0.75rem;
}
.footer-contact svg { width: 18px; height: 18px; flex-shrink: 0; color: var(--primary); margin-top: 2px; }
.footer-qr {
    width: 108px; height: 108px;
    background: rgba(255,255,255,0.08);
    border: 1px solid rgba(255,255,255,0.15);
    border-radius: 12px;
    display: flex; align-items: center; justify-content: center;
    color: rgba(255,255,255,0.5);
    font-size: 0.75rem;
    text-align: center;
    margin-top: 0.25rem;
}
.footer-bottom {
    border-top: 1px solid rgba(255,255,255,0.1);
    padding: 1.25rem 0;
    display: flex; justify-content: space-between;
    flex-wrap: wrap; gap: 0.5rem;
    font-size: 0.8125rem; color: rgba(255,255,255,0.5);
}

/* ===== 响应式 ===== */
@media (max-width: 1023px) {
    .footer-grid { grid-template-columns: 1fr 1fr; gap: 2rem; }
    .nav-menu .nav-link { padding: 0.5rem 0.8rem; font-size: 0.875rem; }
    .related-grid { grid-template-columns: repeat(2, 1fr); }
}
@media (max-width: 768px) {
    body { padding-top: 82px; }
    .site-header { top: 0.75rem; }
    .nav-dock { border-radius: 24px; }
    .nav-toggle { display: flex; }
    .nav-menu {
        display: none;
        position: absolute;
        top: calc(100% + 10px);
        left: 0; right: 0;
        background: #fff;
        border-radius: 16px;
        box-shadow: var(--shadow-hover);
        padding: 1rem;
        flex-direction: column;
        align-items: stretch;
        margin-left: 0;
        border: 1px solid var(--border);
    }
    .nav-menu.open { display: flex; }
    .nav-menu ul { flex-direction: column; width: 100%; gap: 2px; }
    .nav-menu .nav-link { padding: 0.75rem 1rem; border-radius: 10px; font-size: 0.9375rem; }
    .nav-menu .btn-cta { margin-top: 0.5rem; width: 100%; justify-content: center; border-radius: 10px; }
    .article-hero { padding: 2.5rem 0 2rem; }
    .breadcrumb .current { max-width: 180px; }
    .article-section { padding: 2.5rem 0 3rem; }
    .article-body { padding: 1.5rem; font-size: 0.9375rem; }
    .article-body h2 { font-size: 1.3rem; }
    .article-footer-nav { padding: 1.25rem 1.5rem; }
    .related-grid { grid-template-columns: 1fr; gap: 16px; }
    .cta-section { padding: 3rem 0; }
    .cta-box { padding: 2rem 1.25rem; }
    .footer-grid { grid-template-columns: 1fr; gap: 2rem; }
    .footer-bottom { flex-direction: column; text-align: center; justify-content: center; }
}
@media (max-width: 520px) {
    body { padding-top: 78px; }
    .brand-name { font-size: 1.1rem; }
    .brand-sub { font-size: 0.62rem; }
    .container { padding-left: 16px; padding-right: 16px; }
    .article-body { padding: 1.25rem; }
    .article-footer-nav { flex-direction: column; align-items: flex-start; }
    .related-grid { grid-template-columns: 1fr; }
}

/* roulang page: category2 */
:root {
            --primary: #0B6E6E;
            --primary-dark: #085754;
            --accent: #F5A623;
            --action: #E2553E;
            --action-dark: #C44831;
            --bg: #FAF8F4;
            --deep: #132B2B;
            --text: #1F2A2A;
            --text-muted: #5A6B6B;
            --border: #DCE5E3;
            --success: #2BA471;
            --error: #D64541;
            --radius-card: 16px;
            --radius-btn: 10px;
            --radius-nav: 999px;
            --shadow-card: 0 1px 3px rgba(19, 43, 43, 0.06);
            --shadow-hover: 0 8px 28px rgba(19, 43, 43, 0.10);
            --shadow-dock: 0 4px 20px rgba(19, 43, 43, 0.08);
            --transition: 0.3s ease;
            --container: 1200px;
            --space-section: 6rem;
            --font-sans: "PingFang SC", "Microsoft YaHei", "Noto Sans SC", system-ui, -apple-system, sans-serif;
        }

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

        html {
            scroll-behavior: smooth;
        }

        body {
            font-family: var(--font-sans);
            background: var(--bg);
            color: var(--text);
            line-height: 1.75;
            letter-spacing: 0.02em;
            -webkit-font-smoothing: antialiased;
        }

        img,
        svg {
            display: block;
            max-width: 100%;
        }

        a {
            color: inherit;
            text-decoration: none;
            transition: color var(--transition);
        }

        button {
            font-family: inherit;
            border: none;
            background: none;
            cursor: pointer;
            color: inherit;
        }

        ul,
        ol {
            list-style: none;
        }

        .container {
            max-width: var(--container);
            margin: 0 auto;
            padding: 0 24px;
            width: 100%;
        }

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

        .section-head {
            max-width: 640px;
            margin-bottom: 3rem;
        }

        .section-head.center {
            margin-left: auto;
            margin-right: auto;
            text-align: center;
        }

        .section-tag {
            display: inline-block;
            background: rgba(11, 110, 110, 0.10);
            color: var(--primary);
            font-size: 0.8125rem;
            font-weight: 600;
            padding: 0.25rem 1rem;
            border-radius: 999px;
            letter-spacing: 0.04em;
            margin-bottom: 1rem;
        }

        .section-head h2 {
            font-size: clamp(1.5rem, 2.5vw, 2.25rem);
            font-weight: 700;
            line-height: 1.3;
            margin-bottom: 0.75rem;
            position: relative;
        }

        .section-head h2::after {
            content: "";
            display: block;
            width: 40px;
            height: 4px;
            border-radius: 4px;
            background: var(--primary);
            margin-top: 0.75rem;
        }

        .section-head.center h2::after {
            margin-left: auto;
            margin-right: auto;
        }

        .section-head p {
            color: var(--text-muted);
            font-size: 0.9375rem;
            margin-top: 0.75rem;
        }

        /* ===== Buttons ===== */
        .btn {
            display: inline-flex;
            align-items: center;
            justify-content: center;
            gap: 0.5rem;
            font-size: 0.9375rem;
            font-weight: 600;
            padding: 0.875rem 2rem;
            border-radius: var(--radius-btn);
            transition: all var(--transition);
            line-height: 1;
            white-space: nowrap;
        }

        .btn-primary {
            background: var(--primary);
            color: #fff;
            box-shadow: 0 2px 8px rgba(11, 110, 110, 0.22);
        }

        .btn-primary:hover {
            background: var(--primary-dark);
            transform: scale(1.02);
            box-shadow: 0 6px 18px rgba(11, 110, 110, 0.30);
        }

        .btn-primary:active {
            transform: scale(0.98);
        }

        .btn-outline {
            background: transparent;
            border: 1.5px solid var(--primary);
            color: var(--primary);
        }

        .btn-outline:hover {
            background: rgba(11, 110, 110, 0.08);
            border-color: var(--primary-dark);
            color: var(--primary-dark);
        }

        .btn-action {
            background: var(--action);
            color: #fff;
            box-shadow: 0 4px 14px rgba(226, 85, 62, 0.28);
        }

        .btn-action:hover {
            background: var(--action-dark);
            box-shadow: 0 6px 20px rgba(226, 85, 62, 0.35);
            transform: scale(1.02);
        }

        .btn-ghost {
            background: rgba(255, 255, 255, 0.08);
            border: 1px solid rgba(255, 255, 255, 0.28);
            color: #fff;
        }

        .btn-ghost:hover {
            background: rgba(255, 255, 255, 0.14);
            border-color: rgba(255, 255, 255, 0.5);
        }

        .btn:focus-visible,
        .nav-link:focus-visible,
        .faq-q:focus-visible,
        .nav-toggle:focus-visible {
            outline: 3px solid rgba(11, 110, 110, 0.30);
            outline-offset: 2px;
        }

        /* ===== Header / Dock Nav ===== */
        .site-header {
            position: fixed;
            top: 1rem;
            left: 0;
            right: 0;
            z-index: 100;
            display: flex;
            justify-content: center;
            pointer-events: none;
            padding: 0 12px;
        }

        .nav-dock {
            width: min(1100px, 100%);
            pointer-events: auto;
            background: rgba(250, 248, 244, 0.85);
            -webkit-backdrop-filter: blur(16px);
            backdrop-filter: blur(16px);
            border: 1px solid var(--border);
            border-radius: var(--radius-nav);
            box-shadow: var(--shadow-dock);
        }

        .nav-inner {
            display: flex;
            align-items: center;
            justify-content: space-between;
            padding: 0.45rem 0.5rem 0.45rem 1.5rem;
            gap: 0.75rem;
        }

        .brand-logo {
            display: flex;
            align-items: baseline;
            gap: 6px;
            flex-shrink: 0;
        }

        .brand-name {
            font-size: 1.25rem;
            font-weight: 800;
            color: var(--primary);
            letter-spacing: 0.02em;
        }

        .brand-sub {
            font-size: 0.75rem;
            font-weight: 600;
            color: var(--text-muted);
            letter-spacing: 0.05em;
        }

        .nav-menu ul {
            display: flex;
            align-items: center;
            gap: 0.25rem;
        }

        .nav-link {
            position: relative;
            font-size: 0.906rem;
            font-weight: 500;
            color: var(--text);
            padding: 0.6rem 1rem;
            border-radius: 999px;
            transition: all var(--transition);
        }

        .nav-link:hover {
            color: var(--primary);
            background: rgba(11, 110, 110, 0.06);
        }

        .nav-link.active {
            color: var(--primary);
            background: rgba(11, 110, 110, 0.10);
            font-weight: 600;
        }

        .nav-toggle {
            display: none;
            width: 44px;
            height: 44px;
            border-radius: 12px;
            border: 1px solid var(--border);
            background: rgba(255, 255, 255, 0.6);
            flex-direction: column;
            align-items: center;
            justify-content: center;
            gap: 5px;
            transition: background var(--transition);
            flex-shrink: 0;
        }

        .nav-toggle span {
            display: block;
            width: 20px;
            height: 2px;
            border-radius: 2px;
            background: var(--text);
            transition: all 0.3s ease;
        }

        .nav-toggle:hover {
            background: rgba(11, 110, 110, 0.06);
        }

        .nav-toggle[aria-expanded="true"] span:nth-child(1) {
            transform: translateY(7px) rotate(45deg);
        }

        .nav-toggle[aria-expanded="true"] span:nth-child(2) {
            opacity: 0;
        }

        .nav-toggle[aria-expanded="true"] span:nth-child(3) {
            transform: translateY(-7px) rotate(-45deg);
        }

        /* ===== Hero ===== */
        .category-hero {
            position: relative;
            padding: 10rem 0 5rem;
            min-height: 620px;
            display: flex;
            align-items: center;
            overflow: hidden;
            background:
                linear-gradient(135deg, rgba(11, 110, 110, 0.86) 0%, rgba(19, 43, 43, 0.72) 100%),
                url('/assets/images/backpic/back-2.webp') center/cover no-repeat;
        }

        .hero-inner {
            position: relative;
            z-index: 2;
            display: grid;
            grid-template-columns: 1.1fr 0.9fr;
            gap: 4rem;
            align-items: center;
            width: 100%;
        }

        .hero-badge {
            display: inline-flex;
            align-items: center;
            gap: 6px;
            background: rgba(226, 85, 62, 0.18);
            border: 1px solid rgba(226, 85, 62, 0.25);
            color: #ffd9d2;
            font-size: 0.8125rem;
            font-weight: 600;
            padding: 0.3rem 1.1rem;
            border-radius: 999px;
            letter-spacing: 0.04em;
            margin-bottom: 1.5rem;
        }

        .category-hero h1 {
            font-size: clamp(2.25rem, 5vw, 3.25rem);
            font-weight: 800;
            line-height: 1.15;
            color: #fff;
            margin-bottom: 1.25rem;
        }

        .hero-sub {
            font-size: 1.0625rem;
            color: rgba(255, 255, 255, 0.85);
            line-height: 1.8;
            max-width: 28rem;
            margin-bottom: 2rem;
        }

        .hero-actions {
            display: flex;
            gap: 0.875rem;
            flex-wrap: wrap;
        }

        .hero-visual {
            position: relative;
        }

        .hero-visual img {
            width: 100%;
            border-radius: 24px;
            box-shadow: 0 20px 50px rgba(11, 110, 110, 0.35);
            border: 1px solid rgba(255, 255, 255, 0.18);
            object-fit: cover;
            aspect-ratio: 4/3;
        }

        .hero-float-badge {
            position: absolute;
            top: 1.25rem;
            left: 1.25rem;
            background: #fff;
            color: var(--text);
            font-size: 0.8125rem;
            font-weight: 600;
            padding: 0.45rem 1rem;
            border-radius: 999px;
            box-shadow: 0 4px 16px rgba(0, 0, 0, 0.18);
        }

        /* ===== Stats ===== */
        .stats {
            padding: 3.5rem 0;
            background: #fff;
            border-bottom: 1px solid var(--border);
        }

        .stats-grid {
            display: grid;
            grid-template-columns: repeat(4, 1fr);
            gap: 2rem;
        }

        .stat-item {
            text-align: center;
            padding: 0.75rem;
        }

        .stat-num {
            font-size: clamp(1.75rem, 3vw, 2.5rem);
            font-weight: 800;
            color: var(--primary);
            line-height: 1.2;
        }

        .stat-label {
            font-size: 0.875rem;
            color: var(--text-muted);
            margin-top: 0.375rem;
        }

        .stat-divider {
            width: 1px;
            background: var(--border);
        }

        /* ===== Games Section ===== */
        .games-grid {
            display: grid;
            grid-template-columns: repeat(4, 1fr);
            gap: 24px;
        }

        .game-card {
            background: #fff;
            border: 1px solid var(--border);
            border-radius: var(--radius-card);
            padding: 2rem 1.6rem;
            box-shadow: var(--shadow-card);
            transition: all var(--transition);
        }

        .game-card:hover {
            transform: translateY(-4px);
            box-shadow: var(--shadow-hover);
            border-color: rgba(11, 110, 110, 0.4);
        }

        .game-icon {
            width: 52px;
            height: 52px;
            border-radius: 14px;
            display: flex;
            align-items: center;
            justify-content: center;
            background: rgba(11, 110, 110, 0.10);
            color: var(--primary);
            margin-bottom: 1.25rem;
        }

        .game-card h3 {
            font-size: 1.125rem;
            font-weight: 600;
            margin-bottom: 0.625rem;
        }

        .game-card p {
            font-size: 0.875rem;
            color: var(--text-muted);
            line-height: 1.7;
        }

        /* ===== Scenarios ===== */
        .scenarios {
            background: #fff;
            border-top: 1px solid var(--border);
            border-bottom: 1px solid var(--border);
        }

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

        .scenario-card {
            border-radius: var(--radius-card);
            padding: 2rem 1.75rem;
            background: var(--bg);
            border: 1px solid var(--border);
            transition: all var(--transition);
            position: relative;
            overflow: hidden;
        }

        .scenario-card::before {
            content: "";
            position: absolute;
            top: 0;
            left: 0;
            right: 0;
            height: 4px;
            background: var(--primary);
            opacity: 0;
            transition: opacity var(--transition);
        }

        .scenario-card:hover::before {
            opacity: 1;
        }

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

        .scenario-icon {
            width: 48px;
            height: 48px;
            border-radius: 12px;
            display: flex;
            align-items: center;
            justify-content: center;
            background: rgba(245, 166, 35, 0.15);
            color: #C58214;
            margin-bottom: 1.1rem;
        }

        .scenario-card h3 {
            font-size: 1.125rem;
            font-weight: 600;
            margin-bottom: 0.5rem;
        }

        .scenario-card p {
            font-size: 0.875rem;
            color: var(--text-muted);
        }

        /* ===== Features ===== */
        .feature-item {
            display: grid;
            grid-template-columns: 1fr 1fr;
            gap: 4rem;
            align-items: center;
            margin-bottom: 5rem;
        }

        .feature-item:last-child {
            margin-bottom: 0;
        }

        .feature-item.reverse .feature-img {
            order: 2;
        }

        .feature-item.reverse .feature-text {
            order: 1;
        }

        .feature-img img {
            width: 100%;
            border-radius: 20px;
            object-fit: cover;
            aspect-ratio: 4/3;
            box-shadow: var(--shadow-hover);
            border: 1px solid var(--border);
        }

        .feature-text h3 {
            font-size: clamp(1.25rem, 2vw, 1.625rem);
            font-weight: 700;
            margin-bottom: 0.875rem;
        }

        .feature-text>p {
            color: var(--text-muted);
            font-size: 0.9375rem;
            margin-bottom: 1.25rem;
        }

        .feature-list {
            display: grid;
            gap: 0.75rem;
        }

        .feature-list li {
            display: flex;
            align-items: flex-start;
            gap: 0.625rem;
            font-size: 0.906rem;
            color: var(--text);
        }

        .feature-list li svg {
            flex-shrink: 0;
            width: 20px;
            height: 20px;
            color: var(--primary);
            margin-top: 2px;
        }

        .feature-badge {
            display: inline-flex;
            align-items: center;
            gap: 6px;
            background: rgba(11, 110, 110, 0.08);
            color: var(--primary);
            font-size: 0.8125rem;
            font-weight: 600;
            padding: 0.35rem 0.9rem;
            border-radius: 999px;
            margin-bottom: 1rem;
        }

        /* ===== Steps ===== */
        .steps {
            background:
                linear-gradient(180deg, rgba(19, 43, 43, 0.03), rgba(19, 43, 43, 0.06)),
                var(--bg);
        }

        .steps-grid {
            display: grid;
            grid-template-columns: repeat(4, 1fr);
            gap: 24px;
            counter-reset: step;
        }

        .step-item {
            background: #fff;
            border: 1px solid var(--border);
            border-radius: var(--radius-card);
            padding: 2rem 1.5rem;
            box-shadow: var(--shadow-card);
            position: relative;
            transition: all var(--transition);
        }

        .step-item:hover {
            box-shadow: var(--shadow-hover);
            transform: translateY(-4px);
        }

        .step-num {
            font-size: 0.8125rem;
            font-weight: 700;
            color: #fff;
            background: var(--primary);
            display: inline-block;
            padding: 0.25rem 0.8rem;
            border-radius: 999px;
            margin-bottom: 1.25rem;
            letter-spacing: 0.03em;
        }

        .step-item h3 {
            font-size: 1.125rem;
            font-weight: 600;
            margin-bottom: 0.5rem;
        }

        .step-item p {
            font-size: 0.875rem;
            color: var(--text-muted);
        }

        /* ===== FAQ ===== */
        .faq-list {
            max-width: 800px;
            margin: 0 auto;
            display: grid;
            gap: 12px;
        }

        .faq-item {
            background: #fff;
            border: 1px solid var(--border);
            border-radius: 12px;
            overflow: hidden;
            transition: border-color var(--transition);
        }

        .faq-item.open {
            border-color: rgba(11, 110, 110, 0.30);
        }

        .faq-q {
            width: 100%;
            display: flex;
            align-items: center;
            justify-content: space-between;
            gap: 1rem;
            padding: 1.25rem 1.5rem;
            text-align: left;
            font-size: 1rem;
            font-weight: 600;
            color: var(--text);
            line-height: 1.5;
        }

        .faq-icon {
            width: 28px;
            height: 28px;
            border-radius: 50%;
            background: rgba(11, 110, 110, 0.08);
            color: var(--primary);
            display: flex;
            align-items: center;
            justify-content: center;
            font-size: 1.25rem;
            font-weight: 400;
            flex-shrink: 0;
            transition: transform 0.3s ease;
        }

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

        .faq-a {
            display: none;
            padding: 0 1.5rem 1.4rem;
            font-size: 0.9375rem;
            color: var(--text-muted);
            line-height: 1.8;
        }

        .faq-item.open .faq-a {
            display: block;
        }

        /* ===== Related ===== */
        .related {
            background: #fff;
            border-top: 1px solid var(--border);
        }

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

        .related-card {
            display: flex;
            flex-direction: column;
            border: 1px solid var(--border);
            border-radius: var(--radius-card);
            overflow: hidden;
            background: var(--bg);
            transition: all var(--transition);
        }

        .related-card:hover {
            transform: translateY(-4px);
            box-shadow: var(--shadow-hover);
            border-color: rgba(11, 110, 110, 0.4);
        }

        .related-card img {
            width: 100%;
            aspect-ratio: 16/9;
            object-fit: cover;
        }

        .related-body {
            padding: 1.5rem;
            flex: 1;
            display: flex;
            flex-direction: column;
        }

        .related-body h3 {
            font-size: 1.125rem;
            font-weight: 600;
            margin-bottom: 0.5rem;
        }

        .related-body p {
            font-size: 0.875rem;
            color: var(--text-muted);
            flex: 1;
        }

        .related-link {
            display: inline-flex;
            align-items: center;
            gap: 0.375rem;
            color: var(--primary);
            font-size: 0.875rem;
            font-weight: 600;
            margin-top: 1rem;
            transition: gap var(--transition);
        }

        .related-card:hover .related-link {
            gap: 0.625rem;
        }

        /* ===== CTA ===== */
        .cta {
            padding: 0;
        }

        .cta-box {
            position: relative;
            background:
                linear-gradient(135deg, rgba(19, 43, 43, 0.92), rgba(19, 43, 43, 0.82)),
                url('/assets/images/backpic/back-1.webp') center/cover no-repeat;
            border-radius: 28px;
            padding: 4.5rem 3rem;
            text-align: center;
            overflow: hidden;
            margin: var(--space-section) 0;
        }

        .cta-badge {
            display: inline-block;
            background: rgba(226, 85, 62, 0.2);
            border: 1px solid rgba(226, 85, 62, 0.35);
            color: #ffc4b8;
            font-size: 0.8125rem;
            font-weight: 600;
            padding: 0.3rem 1.1rem;
            border-radius: 999px;
            margin-bottom: 1.5rem;
            letter-spacing: 0.04em;
        }

        .cta-box h2 {
            font-size: clamp(1.5rem, 2.8vw, 2.375rem);
            font-weight: 800;
            color: #fff;
            margin-bottom: 1rem;
            line-height: 1.3;
        }

        .cta-box p {
            color: rgba(255, 255, 255, 0.72);
            font-size: 0.9375rem;
            max-width: 30rem;
            margin: 0 auto 2rem;
        }

        .cta-actions {
            display: flex;
            justify-content: center;
            gap: 1rem;
            flex-wrap: wrap;
        }

        /* ===== Footer ===== */
        .site-footer {
            background: var(--deep);
            color: rgba(255, 255, 255, 0.72);
            padding: 4.5rem 0 0;
            margin-top: var(--space-section);
        }

        .footer-grid {
            display: grid;
            grid-template-columns: 1.4fr 1fr 1.2fr 0.9fr;
            gap: 3rem;
            padding-bottom: 3rem;
        }

        .footer-brand .brand-logo {
            margin-bottom: 1rem;
        }

        .footer-brand .brand-name {
            color: #fff;
        }

        .footer-brand .brand-sub {
            color: rgba(255, 255, 255, 0.5);
        }

        .footer-description {
            font-size: 0.875rem;
            line-height: 1.8;
            color: rgba(255, 255, 255, 0.6);
            max-width: 18rem;
        }

        .footer-title {
            font-size: 1rem;
            font-weight: 600;
            color: #fff;
            margin-bottom: 1.25rem;
        }

        .footer-links li,
        .footer-contact li {
            margin-bottom: 0.625rem;
        }

        .footer-links a {
            font-size: 0.875rem;
            color: rgba(255, 255, 255, 0.65);
            transition: color var(--transition), padding-left var(--transition);
            position: relative;
        }

        .footer-links a:hover {
            color: #fff;
            padding-left: 12px;
        }

        .footer-links a:hover::before {
            content: "";
            position: absolute;
            left: 0;
            top: 50%;
            transform: translateY(-50%);
            width: 4px;
            height: 4px;
            border-radius: 50%;
            background: var(--primary);
        }

        .footer-contact li {
            display: flex;
            align-items: flex-start;
            gap: 0.625rem;
            font-size: 0.875rem;
            color: rgba(255, 255, 255, 0.65);
        }

        .footer-contact svg {
            width: 18px;
            height: 18px;
            flex-shrink: 0;
            margin-top: 3px;
            color: rgba(255, 255, 255, 0.45);
        }

        .footer-qr {
            width: 112px;
            height: 112px;
            border: 1px dashed rgba(255, 255, 255, 0.25);
            border-radius: 12px;
            display: flex;
            align-items: center;
            justify-content: center;
            font-size: 0.75rem;
            color: rgba(255, 255, 255, 0.4);
            background: rgba(255, 255, 255, 0.04);
        }

        .footer-bottom {
            border-top: 1px solid rgba(255, 255, 255, 0.10);
            padding: 1.5rem 0;
            display: flex;
            justify-content: space-between;
            align-items: center;
            flex-wrap: wrap;
            gap: 0.75rem;
            font-size: 0.8125rem;
            color: rgba(255, 255, 255, 0.4);
        }

        /* ===== Responsive ===== */
        @media (max-width: 1023px) {
            :root {
                --space-section: 4.5rem;
            }

            .hero-inner {
                grid-template-columns: 1fr;
                gap: 2.5rem;
            }

            .hero-visual {
                max-width: 520px;
            }

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

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

            .feature-item {
                gap: 2.5rem;
            }

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

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

            .nav-menu {
                display: none;
            }

            .nav-toggle {
                display: flex;
            }

            .nav-menu.open {
                display: block;
                position: absolute;
                top: calc(100% + 12px);
                left: 0;
                right: 0;
                background: rgba(250, 248, 244, 0.97);
                -webkit-backdrop-filter: blur(16px);
                backdrop-filter: blur(16px);
                border: 1px solid var(--border);
                border-radius: 20px;
                box-shadow: var(--shadow-dock);
                padding: 1rem;
            }

            .nav-menu.open ul {
                flex-direction: column;
                align-items: stretch;
                gap: 0.25rem;
            }

            .nav-menu.open .nav-link {
                display: block;
                padding: 0.875rem 1rem;
                border-radius: 12px;
                text-align: center;
            }

            .nav-inner {
                position: relative;
            }
        }

        @media (max-width: 767px) {
            :root {
                --space-section: 3rem;
            }

            .container {
                padding: 0 16px;
            }

            .category-hero {
                padding: 8.5rem 0 3.5rem;
                min-height: auto;
            }

            .hero-actions .btn {
                width: 100%;
            }

            .stats-grid {
                grid-template-columns: repeat(2, 1fr);
                gap: 1.5rem;
            }

            .stat-item {
                padding: 0.5rem;
            }

            .games-grid {
                gap: 16px;
            }

            .games-grid,
            .scenarios-grid,
            .steps-grid,
            .related-grid {
                grid-template-columns: 1fr;
            }

            .feature-item,
            .feature-item.reverse {
                grid-template-columns: 1fr;
                gap: 1.75rem;
            }

            .feature-item.reverse .feature-img {
                order: 1;
            }

            .feature-item.reverse .feature-text {
                order: 2;
            }

            .cta-box {
                padding: 3rem 1.5rem;
                border-radius: 20px;
                margin: 3rem 0;
            }

            .cta-actions .btn {
                width: 100%;
            }

            .footer-grid {
                grid-template-columns: 1fr;
                gap: 2.25rem;
            }

            .footer-bottom {
                flex-direction: column;
                text-align: center;
            }

            .section-head {
                margin-bottom: 2rem;
            }
        }

        @media (max-width: 520px) {
            .nav-dock {
                border-radius: 20px;
            }

            .nav-inner {
                padding: 0.4rem 0.5rem 0.4rem 1.1rem;
            }

            .brand-name {
                font-size: 1.125rem;
            }

            .brand-sub {
                font-size: 0.6875rem;
            }

            .category-hero h1 {
                font-size: clamp(1.75rem, 7vw, 2.25rem);
            }

            .hero-sub {
                font-size: 0.9375rem;
            }

            .games-grid {
                gap: 16px;
            }

            .game-card {
                padding: 1.5rem 1.25rem;
            }

            .stat-num {
                font-size: 1.5rem;
            }

            .footer-qr {
                width: 96px;
                height: 96px;
            }
        }

/* roulang page: category3 */
:root {
  --primary: #0B6E6E;
  --primary-dark: #085754;
  --accent: #F5A623;
  --action: #E2553E;
  --action-dark: #C44831;
  --bg: #FAF8F4;
  --ink: #1F2A2A;
  --ink-soft: #5A6B6B;
  --line: #DCE5E3;
  --deep: #132B2B;
  --success: #2BA471;
  --error: #D64541;
  --radius-card: 16px;
  --radius-btn: 10px;
  --radius-input: 8px;
  --shadow-card: 0 1px 3px rgba(19,43,43,0.06);
  --shadow-hover: 0 8px 28px rgba(19,43,43,0.10);
  --shadow-dock: 0 4px 20px rgba(19,43,43,0.08);
  --space-section: 6rem;
  --font-family: "PingFang SC","Microsoft YaHei","Noto Sans SC",system-ui,-apple-system,sans-serif;
}
*,*::before,*::after{box-sizing:border-box;margin:0;padding:0}
html{scroll-behavior:smooth}
body{font-family:var(--font-family);background:var(--bg);color:var(--ink);line-height:1.75;font-size:1rem;-webkit-font-smoothing:antialiased}
img{max-width:100%;display:block}
a{color:var(--primary);text-decoration:none;transition:color .25s ease}
a:hover{color:var(--primary-dark)}
ul,ol{list-style:none}
button,input,select,textarea{font-family:inherit;font-size:inherit}
.container{width:min(1200px,100% - 48px);margin-inline:auto}
.section{padding-block:var(--space-section)}
.section-head{max-width:720px;margin-bottom:3rem}
.section-eyebrow{display:inline-block;background:rgba(11,110,110,0.1);color:var(--primary);font-size:0.8125rem;font-weight:600;letter-spacing:0.04em;padding:0.25rem 1rem;border-radius:999px;margin-bottom:1rem}
.section-title{font-size:clamp(1.5rem,2.5vw,2.25rem);font-weight:700;line-height:1.3;color:var(--ink);position:relative;padding-bottom:0.85rem;letter-spacing:0.01em}
.section-title::after{content:"";position:absolute;left:0;bottom:0;width:40px;height:4px;border-radius:4px;background:var(--primary)}
.section-sub{color:var(--ink-soft);font-size:1rem;margin-top:1rem;line-height:1.8}
.text-center{text-align:center}
.text-center .section-title::after{left:50%;transform:translateX(-50%)}
.btn{display:inline-flex;align-items:center;justify-content:center;gap:0.5rem;padding:0.875rem 2rem;border-radius:var(--radius-btn);font-weight:600;font-size:0.9375rem;line-height:1;border:1.5px solid transparent;cursor:pointer;transition:all .25s ease;text-decoration:none}
.btn:focus-visible{outline:3px solid rgba(11,110,110,0.3);outline-offset:2px}
.btn-primary{background:var(--primary);color:#fff;border-color:var(--primary)}
.btn-primary:hover{background:var(--primary-dark);border-color:var(--primary-dark);color:#fff;transform:scale(1.02);box-shadow:0 8px 24px rgba(11,110,110,0.22)}
.btn-primary:active{transform:scale(0.98)}
.btn-outline{background:transparent;color:var(--primary);border-color:var(--primary)}
.btn-outline:hover{background:rgba(11,110,110,0.08);border-color:var(--primary-dark);color:var(--primary-dark)}
.btn-outline:active{transform:scale(0.98)}
.btn-action{background:var(--action);color:#fff;border-color:var(--action)}
.btn-action:hover{background:var(--action-dark);border-color:var(--action-dark);color:#fff;box-shadow:0 6px 20px rgba(226,85,62,0.3);transform:scale(1.02)}
.btn-action:active{transform:scale(0.98)}
.btn-block{width:100%}
/* ===== Header / Dock ===== */
.site-header{position:fixed;top:1rem;left:50%;transform:translateX(-50%);width:min(1100px,94%);z-index:1000}
.nav-container{display:flex;align-items:center;justify-content:space-between;gap:1.25rem;padding:0.625rem 1rem 0.625rem 1.25rem;background:rgba(250,248,244,0.85);backdrop-filter:blur(16px);-webkit-backdrop-filter:blur(16px);border:1px solid var(--line);border-radius:999px;box-shadow:var(--shadow-dock)}
.brand-logo{display:flex;align-items:baseline;gap:0.4rem;text-decoration:none;flex-shrink:0}
.brand-name{font-size:1.375rem;font-weight:800;color:var(--primary);letter-spacing:0.02em;line-height:1.2}
.brand-sub{font-size:0.75rem;color:var(--ink-soft);letter-spacing:0.08em;font-weight:500}
.nav-menu{display:flex;align-items:center}
.nav-menu ul{display:flex;align-items:center;gap:0.25rem;list-style:none}
.nav-link{display:inline-block;padding:0.5rem 0.875rem;border-radius:999px;font-size:0.875rem;font-weight:500;color:var(--ink-soft);text-decoration:none;transition:all .25s ease;position:relative}
.nav-link:hover{color:var(--primary);background:rgba(11,110,110,0.06)}
.nav-link.active{color:var(--primary);background:rgba(11,110,110,0.10);font-weight:600}
.nav-cta{padding:0.625rem 1.5rem;font-size:0.875rem;flex-shrink:0}
.nav-toggle{display:none;flex-direction:column;gap:4px;background:transparent;border:none;padding:0.5rem;border-radius:8px;cursor:pointer}
.nav-toggle span{display:block;width:20px;height:2px;border-radius:2px;background:var(--ink);transition:transform .25s ease,opacity .25s ease}
.nav-toggle:hover span{background:var(--primary)}
/* ===== Hero ===== */
.hero{position:relative;min-height:92vh;display:flex;align-items:center;padding:7rem 0 4rem;background:linear-gradient(rgba(11,110,110,0.82),rgba(19,43,43,0.65)),url('/assets/images/backpic/back-2.webp') center/cover no-repeat;color:#fff;overflow:hidden}
.hero .container{position:relative;z-index:2;display:grid;grid-template-columns:1.1fr 0.9fr;gap:4rem;align-items:center}
.hero-badge{display:inline-flex;align-items:center;gap:0.4rem;background:rgba(226,85,62,0.22);color:#FFE4DC;border:1px solid rgba(255,255,255,0.2);border-radius:999px;padding:0.3rem 1rem;font-size:0.8125rem;font-weight:600;margin-bottom:1.5rem;letter-spacing:0.04em}
.hero-title{font-size:clamp(2.25rem,5vw,3.5rem);font-weight:800;line-height:1.15;margin-bottom:1.25rem;letter-spacing:0.01em}
.hero-title .hero-highlight{color:#F7D9A0}
.hero-sub{font-size:1.0625rem;line-height:1.8;color:rgba(255,255,255,0.88);max-width:480px;margin-bottom:2rem}
.hero-actions{display:flex;flex-wrap:wrap;gap:1rem;align-items:center}
.hero-visual{position:relative}
.hero-visual img{border-radius:24px;box-shadow:0 20px 50px rgba(11,110,110,0.35);border:1px solid rgba(255,255,255,0.18);width:100%;object-fit:cover}
.hero-float-card{position:absolute;top:-16px;left:-16px;background:#fff;color:var(--ink);padding:0.625rem 1.125rem;border-radius:12px;box-shadow:0 8px 24px rgba(19,43,43,0.14);font-size:0.8125rem;font-weight:600;display:flex;align-items:center;gap:0.4rem}
.hero-float-card svg{width:16px;height:16px;color:var(--primary)}
/* ===== Trust bar ===== */
.trust-bar{background:#fff;border-bottom:1px solid var(--line);padding:2.25rem 0}
.trust-grid{display:grid;grid-template-columns:repeat(4,1fr);gap:2rem}
.trust-item{display:flex;align-items:center;justify-content:center;gap:1rem;padding:0.5rem 1rem;border-left:1px solid var(--line)}
.trust-item:first-child{border-left:none}
.trust-icon{width:44px;height:44px;border-radius:12px;background:rgba(11,110,110,0.08);display:flex;align-items:center;justify-content:center;color:var(--primary);flex-shrink:0}
.trust-icon svg{width:22px;height:22px}
.trust-value{font-size:1.375rem;font-weight:800;color:var(--ink);line-height:1.2}
.trust-label{font-size:0.8125rem;color:var(--ink-soft);line-height:1.4}
/* ===== Perks ===== */
.perks-grid{display:grid;grid-template-columns:repeat(4,1fr);gap:24px}
.perk-card{background:#fff;border:1px solid var(--line);border-radius:var(--radius-card);padding:2rem 1.5rem;box-shadow:var(--shadow-card);transition:transform .3s ease,box-shadow .3s ease,border-color .3s ease}
.perk-card:hover{transform:translateY(-4px);box-shadow:var(--shadow-hover);border-color:rgba(11,110,110,0.4)}
.perk-icon{width:52px;height:52px;border-radius:14px;background:rgba(11,110,110,0.08);display:flex;align-items:center;justify-content:center;color:var(--primary);margin-bottom:1.25rem}
.perk-icon svg{width:26px;height:26px}
.perk-card h3{font-size:1.125rem;font-weight:600;margin-bottom:0.625rem;line-height:1.4}
.perk-card p{font-size:0.875rem;color:var(--ink-soft);line-height:1.75}
/* ===== Tiers ===== */
.tiers{background:linear-gradient(180deg,var(--bg) 0%,rgba(11,110,110,0.04) 100%)}
.tiers-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:24px;align-items:stretch}
.tier-card{position:relative;background:#fff;border:1px solid var(--line);border-radius:20px;padding:2.25rem 1.875rem;box-shadow:var(--shadow-card);transition:transform .3s ease,box-shadow .3s ease,border-color .3s ease;display:flex;flex-direction:column}
.tier-card:hover{transform:translateY(-4px);box-shadow:var(--shadow-hover)}
.tier-card.featured{background:rgba(11,110,110,0.04);border:1.5px solid var(--primary);box-shadow:0 8px 32px rgba(11,110,110,0.12)}
.tier-flag{position:absolute;top:-12px;right:1.5rem;background:var(--accent);color:#3A2A00;font-size:0.75rem;font-weight:700;padding:0.25rem 0.875rem;border-radius:999px;box-shadow:0 4px 12px rgba(245,166,35,0.25)}
.tier-name{font-size:1.125rem;font-weight:700;color:var(--ink);margin-bottom:0.5rem}
.tier-desc{font-size:0.8125rem;color:var(--ink-soft);margin-bottom:1.5rem;line-height:1.6}
.tier-value{font-size:clamp(2rem,4vw,3rem);font-weight:800;color:var(--primary);line-height:1.1;margin-bottom:0.5rem}
.tier-value small{font-size:0.9375rem;font-weight:600;color:var(--ink-soft);margin-left:0.25rem}
.tier-list{margin:1.5rem 0 2rem;display:grid;gap:0.75rem}
.tier-list li{display:flex;align-items:flex-start;gap:0.625rem;font-size:0.875rem;color:var(--ink);line-height:1.6}
.tier-list li::before{content:"✓";color:var(--primary);font-weight:700;font-size:0.9375rem;line-height:1.5;flex-shrink:0}
.tier-card .btn{margin-top:auto}
/* ===== Scenarios ===== */
.scenarios-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:24px}
.scenario-card{position:relative;border-radius:var(--radius-card);overflow:hidden;background:#fff;border:1px solid var(--line);box-shadow:var(--shadow-card);transition:transform .3s ease,box-shadow .3s ease}
.scenario-card:hover{transform:translateY(-4px);box-shadow:var(--shadow-hover)}
.scenario-card img{width:100%;height:200px;object-fit:cover;background:rgba(11,110,110,0.15)}
.scenario-body{padding:1.5rem}
.scenario-body h3{font-size:1.125rem;font-weight:600;margin-bottom:0.5rem}
.scenario-body p{font-size:0.875rem;color:var(--ink-soft);line-height:1.75}
.scenario-num{position:absolute;top:1rem;left:1rem;background:rgba(255,255,255,0.92);color:var(--primary);font-size:0.8125rem;font-weight:700;padding:0.25rem 0.875rem;border-radius:999px;box-shadow:0 2px 8px rgba(19,43,43,0.1)}
/* ===== Steps ===== */
.steps{background:var(--deep);color:#fff}
.steps .section-title{color:#fff}
.steps .section-title::after{background:var(--accent)}
.steps .section-sub{color:rgba(255,255,255,0.7)}
.steps .section-eyebrow{background:rgba(255,255,255,0.1);color:#F7D9A0}
.steps-grid{display:grid;grid-template-columns:repeat(4,1fr);gap:24px;counter-reset:step}
.step-card{position:relative;background:rgba(255,255,255,0.05);border:1px solid rgba(255,255,255,0.1);border-radius:16px;padding:2rem 1.5rem;transition:background .3s ease,border-color .3s ease}
.step-card:hover{background:rgba(255,255,255,0.08);border-color:rgba(255,255,255,0.2)}
.step-card::before{counter-increment:step;content:"0" counter(step);display:block;font-size:2rem;font-weight:800;color:var(--accent);line-height:1;margin-bottom:0.875rem;opacity:0.9}
.step-card h3{font-size:1.0625rem;font-weight:600;margin-bottom:0.5rem}
.step-card p{font-size:0.8125rem;color:rgba(255,255,255,0.65);line-height:1.7}
/* ===== FAQ ===== */
.faq-wrap{max-width:768px;margin-inline:auto}
.faq-item{background:#fff;border:1px solid var(--line);border-radius:12px;margin-bottom:12px;overflow:hidden;box-shadow:var(--shadow-card);transition:border-color .25s ease,box-shadow .25s ease}
.faq-item[open]{border-color:rgba(11,110,110,0.3);box-shadow:var(--shadow-hover)}
.faq-item summary{display:flex;align-items:center;justify-content:space-between;gap:1rem;padding:1.25rem 1.5rem;cursor:pointer;font-size:0.9375rem;font-weight:600;color:var(--ink);list-style:none}
.faq-item summary::-webkit-details-marker{display:none}
.faq-item summary .faq-icon{position:relative;width:20px;height:20px;flex-shrink:0;border-radius:50%;background:rgba(11,110,110,0.08);transition:transform .3s ease,background .3s ease}
.faq-item summary .faq-icon::before,.faq-item summary .faq-icon::after{content:"";position:absolute;top:50%;left:50%;width:10px;height:2px;background:var(--primary);border-radius:2px;transform:translate(-50%,-50%)}
.faq-item summary .faq-icon::after{transform:translate(-50%,-50%) rotate(90deg)}
.faq-item[open] summary .faq-icon{background:var(--primary)}
.faq-item[open] summary .faq-icon::before,.faq-item[open] summary .faq-icon::after{background:#fff}
.faq-item[open] summary .faq-icon::after{transform:translate(-50%,-50%) rotate(0deg)}
.faq-item summary:hover{color:var(--primary)}
.faq-answer{padding:0 1.5rem 1.375rem;font-size:0.875rem;color:var(--ink-soft);line-height:1.8;border-top:1px solid rgba(220,229,227,0.5);margin-top:0;padding-top:1rem}
/* ===== CTA ===== */
.cta-band{position:relative;background:linear-gradient(rgba(19,43,43,0.88),rgba(19,43,43,0.92)),url('/assets/images/backpic/back-1.webp') center/cover no-repeat;padding:5rem 0;text-align:center;color:#fff}
.cta-badge{display:inline-block;background:var(--action);color:#fff;font-size:0.8125rem;font-weight:700;padding:0.3rem 1.125rem;border-radius:999px;margin-bottom:1.5rem;letter-spacing:0.04em}
.cta-title{font-size:clamp(1.75rem,3.5vw,2.75rem);font-weight:800;line-height:1.3;margin-bottom:1rem}
.cta-sub{color:rgba(255,255,255,0.72);max-width:560px;margin:0 auto 2.5rem;font-size:1rem;line-height:1.8}
.countdown{display:flex;justify-content:center;gap:1rem;margin-bottom:2.5rem}
.countdown-item{background:rgba(255,255,255,0.08);border:1px solid rgba(255,255,255,0.15);border-radius:14px;padding:1rem 1.25rem;min-width:84px}
.countdown-num{font-size:2rem;font-weight:800;line-height:1;font-variant-numeric:tabular-nums}
.countdown-label{display:block;font-size:0.6875rem;color:rgba(255,255,255,0.6);margin-top:0.5rem;letter-spacing:0.06em}
/* ===== Contact / Form ===== */
.contact-grid{display:grid;grid-template-columns:0.9fr 1.1fr;gap:3rem;align-items:start}
.contact-promise{display:grid;gap:0}
.promise-item{display:flex;align-items:center;gap:1rem;padding:1rem 0;border-bottom:1px solid var(--line)}
.promise-item:first-child{padding-top:0}
.promise-item:last-child{border-bottom:none;padding-bottom:0}
.promise-icon{width:40px;height:40px;border-radius:10px;background:rgba(11,110,110,0.08);display:flex;align-items:center;justify-content:center;color:var(--primary);flex-shrink:0;transition:background .25s ease,color .25s ease}
.promise-icon svg{width:20px;height:20px}
.promise-item:hover .promise-icon{background:var(--primary);color:#fff}
.promise-item span{font-size:0.9375rem;color:var(--ink);font-weight:500}
.form-card{background:#fff;border:1px solid var(--line);border-radius:20px;padding:2.25rem;box-shadow:var(--shadow-card)}
.form-title{font-size:1.25rem;font-weight:700;margin-bottom:0.5rem}
.form-desc{font-size:0.8125rem;color:var(--ink-soft);margin-bottom:1.75rem}
.form-row{display:grid;grid-template-columns:1fr 1fr;gap:1.25rem}
.form-group{display:flex;flex-direction:column;gap:0.375rem;margin-bottom:1.25rem}
.form-group label{font-size:0.8125rem;font-weight:600;color:var(--ink)}
.form-group label .req{color:var(--error)}
.form-group input,.form-group select,.form-group textarea{height:48px;border:1px solid var(--line);border-radius:var(--radius-input);padding:0 1rem;background:#fff;color:var(--ink);transition:border-color .25s ease,box-shadow .25s ease;width:100%}
.form-group textarea{height:auto;min-height:120px;padding:0.875rem 1rem;resize:vertical;line-height:1.7}
.form-group input:focus,.form-group select:focus,.form-group textarea:focus{outline:none;border-color:var(--primary);box-shadow:0 0 0 3px rgba(11,110,110,0.12)}
.form-group input.error,.form-group select.error,.form-group textarea.error{border-color:var(--error)}
.form-error{display:none;font-size:0.75rem;color:var(--error);margin-top:0.25rem}
.form-group.has-error .form-error{display:block}
.form-note{font-size:0.75rem;color:var(--ink-soft);margin-top:0.75rem;text-align:center}
.form-success{display:none;background:rgba(43,164,113,0.1);border:1px solid rgba(43,164,113,0.25);color:var(--success);font-size:0.875rem;border-radius:8px;padding:0.875rem 1.25rem;margin-bottom:1.25rem}
.form-success.show{display:block}
/* ===== Related ===== */
.related-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:24px}
.related-card{background:#fff;border:1px solid var(--line);border-radius:var(--radius-card);overflow:hidden;display:flex;flex-direction:column;box-shadow:var(--shadow-card);transition:transform .3s ease,box-shadow .3s ease,border-color .3s ease}
.related-card:hover{transform:translateY(-4px);box-shadow:var(--shadow-hover);border-color:rgba(11,110,110,0.4)}
.related-card img{width:100%;height:170px;object-fit:cover;background:rgba(11,110,110,0.15)}
.related-body{padding:1.5rem;display:flex;flex-direction:column;flex:1}
.related-body h3{font-size:1.125rem;font-weight:600;margin-bottom:0.5rem}
.related-body p{font-size:0.875rem;color:var(--ink-soft);line-height:1.7;flex:1}
.related-link{margin-top:1rem;display:inline-flex;align-items:center;gap:0.375rem;font-size:0.875rem;font-weight:600;color:var(--primary)}
.related-link svg{width:16px;height:16px;transition:transform .25s ease}
.related-card:hover .related-link svg{transform:translateX(4px)}
/* ===== Footer ===== */
.site-footer{background:var(--deep);color:rgba(255,255,255,0.72);padding:4rem 0 2rem}
.footer-grid{display:grid;grid-template-columns:1.4fr 1fr 1.2fr 0.9fr;gap:2.5rem;margin-bottom:3rem}
.footer-brand .brand-logo{margin-bottom:1rem}
.footer-brand .brand-name{color:#fff}
.footer-brand .brand-sub{color:rgba(255,255,255,0.45)}
.footer-description{font-size:0.8125rem;line-height:1.8;color:rgba(255,255,255,0.55);margin-top:0.75rem;max-width:280px}
.footer-title{font-size:0.9375rem;font-weight:700;color:#fff;margin-bottom:1.125rem;position:relative;padding-bottom:0.75rem}
.footer-title::after{content:"";position:absolute;left:0;bottom:0;width:24px;height:3px;border-radius:3px;background:var(--primary)}
.footer-links{display:grid;gap:0.5rem}
.footer-links a{color:rgba(255,255,255,0.6);font-size:0.875rem;text-decoration:none;padding-left:0;transition:color .25s ease,padding-left .25s ease}
.footer-links a:hover{color:#fff;padding-left:8px;border-left:3px solid var(--primary)}
.footer-contact li{display:flex;align-items:flex-start;gap:0.75rem;font-size:0.875rem;line-height:1.6;margin-bottom:0.875rem;color:rgba(255,255,255,0.6)}
.footer-contact svg{width:18px;height:18px;color:var(--primary);flex-shrink:0;margin-top:0.125rem}
.footer-qr{width:120px;height:120px;border-radius:12px;background:rgba(255,255,255,0.08);border:1px solid rgba(255,255,255,0.12);display:flex;flex-direction:column;align-items:center;justify-content:center;gap:0.5rem;color:rgba(255,255,255,0.45)}
.footer-qr svg{width:34px;height:34px}
.footer-qr span{font-size:0.6875rem;letter-spacing:0.06em}
.footer-bottom{border-top:1px solid rgba(255,255,255,0.08);padding-top:1.75rem;display:flex;flex-wrap:wrap;justify-content:space-between;gap:0.75rem;font-size:0.75rem;color:rgba(255,255,255,0.4)}
/* ===== Responsive ===== */
@media (max-width:1023px){
  :root{--space-section:4.5rem}
  .perks-grid{grid-template-columns:repeat(2,1fr)}
  .tiers-grid{grid-template-columns:repeat(3,1fr);gap:16px}
  .tier-card{padding:1.75rem 1.25rem}
  .scenarios-grid{grid-template-columns:repeat(2,1fr)}
  .steps-grid{grid-template-columns:repeat(2,1fr)}
  .hero .container{grid-template-columns:1fr 0.8fr;gap:2rem}
  .trust-grid{grid-template-columns:repeat(2,1fr);gap:1.25rem}
  .trust-item{border-left:none;border-top:1px solid var(--line);padding-top:1rem}
  .contact-grid{grid-template-columns:1fr;gap:2rem}
  .footer-grid{grid-template-columns:1fr 1fr}
  .nav-cta{display:none}
}
@media (max-width:767px){
  :root{--space-section:3rem}
  .site-header{top:0.75rem;width:calc(100% - 24px)}
  .nav-container{padding:0.5rem 0.75rem 0.5rem 1rem;border-radius:999px}
  .nav-menu{display:none;position:absolute;top:calc(100% + 12px);left:0;width:100%;background:rgba(250,248,244,0.98);backdrop-filter:blur(16px);border:1px solid var(--line);border-radius:16px;box-shadow:var(--shadow-hover);padding:0.75rem}
  .nav-menu.open{display:block}
  .nav-menu ul{flex-direction:column;gap:0.125rem;align-items:stretch}
  .nav-link{display:block;padding:0.75rem 1rem;border-radius:10px}
  .nav-toggle{display:flex}
  .nav-cta{display:inline-flex;margin-top:0.75rem;width:100%;justify-content:center}
  .hero{padding:6rem 0 3.5rem;min-height:auto}
  .hero .container{grid-template-columns:1fr;gap:2.5rem;text-align:center}
  .hero-sub{margin-inline:auto}
  .hero-actions{justify-content:center}
  .hero-visual{max-width:420px;margin-inline:auto}
  .hero-float-card{left:-8px;top:-12px}
  .trust-grid{grid-template-columns:1fr 1fr}
  .trust-item{flex-direction:column;text-align:center;gap:0.5rem}
  .perks-grid{grid-template-columns:1fr;gap:16px}
  .tiers-grid{grid-template-columns:1fr;gap:20px}
  .tier-card.featured{order:-1}
  .scenarios-grid{grid-template-columns:1fr;gap:16px}
  .steps-grid{grid-template-columns:1fr;gap:16px}
  .countdown{flex-wrap:wrap;gap:0.75rem}
  .countdown-item{min-width:72px;padding:0.875rem 0.75rem}
  .countdown-num{font-size:1.5rem}
  .contact-grid{grid-template-columns:1fr}
  .form-card{padding:1.5rem}
  .form-row{grid-template-columns:1fr;gap:0}
  .related-grid{grid-template-columns:1fr;gap:16px}
  .footer-grid{grid-template-columns:1fr;gap:2rem}
  .footer-bottom{flex-direction:column;text-align:center}
}
@media (max-width:360px){
  :root{--space-section:2.25rem}
  .hero-title{font-size:clamp(1.75rem,7vw,2.25rem)}
  .btn{width:100%;padding-inline:1.25rem}
  .trust-item{padding-inline:0.5rem}
}