/* roulang page: index */
:root {
            --bg: #0D100F;
            --bg-elev: #161A18;
            --bg-card: #1A1F1D;
            --primary: #C6A24F;
            --primary-hover: #D9B968;
            --accent: #48A68C;
            --text-hi: #F2EFE9;
            --text-mid: #A9B0AA;
            --text-low: #70766F;
            --line: rgba(255, 255, 255, 0.08);
            --radius-card: 16px;
            --radius-btn: 999px;
            --radius-sm: 12px;
            --shadow-hover: 0 20px 40px -20px rgba(0, 0, 0, 0.6);
            --transition: all 0.3s ease;
        }
        * {
            margin: 0;
            padding: 0;
            box-sizing: border-box;
        }
        html {
            scroll-behavior: smooth;
        }
        body {
            background-color: var(--bg);
            color: var(--text-hi);
            font-family: 'PingFang SC', 'Microsoft YaHei', system-ui, sans-serif;
            line-height: 1.75;
            font-size: 16px;
            -webkit-font-smoothing: antialiased;
        }
        img {
            max-width: 100%;
            display: block;
        }
        a {
            color: inherit;
            text-decoration: none;
            transition: var(--transition);
        }
        button {
            cursor: pointer;
            font-family: inherit;
            background: none;
            border: none;
            color: inherit;
        }
        .container {
            max-width: 1280px;
            margin: 0 auto;
            padding-left: 24px;
            padding-right: 24px;
        }
        @media (min-width: 768px) {
            .container {
                padding-left: 32px;
                padding-right: 32px;
            }
        }
        /* Header */
        .site-header {
            position: sticky;
            top: 0;
            z-index: 100;
            background: rgba(13, 16, 15, 0.92);
            backdrop-filter: blur(12px);
            -webkit-backdrop-filter: blur(12px);
            border-bottom: 1px solid var(--line);
            transition: var(--transition);
        }
        .header-top {
            border-bottom: 1px solid rgba(255, 255, 255, 0.04);
        }
        .header-row {
            display: flex;
            align-items: center;
            justify-content: space-between;
            height: 52px;
            gap: 16px;
        }
        .logo {
            font-size: 1.125rem;
            font-weight: 700;
            letter-spacing: 0.02em;
            color: var(--text-hi);
            white-space: nowrap;
            background: linear-gradient(90deg, #C6A24F 0%, #F2EFE9 50%, #C6A24F 100%);
            -webkit-background-clip: text;
            -webkit-text-fill-color: transparent;
            background-clip: text;
        }
        .search-box {
            display: flex;
            align-items: center;
            background: var(--bg-card);
            border: 1px solid transparent;
            border-radius: 999px;
            height: 36px;
            padding: 0 14px;
            width: 260px;
            transition: var(--transition);
            flex-shrink: 1;
        }
        .search-box:focus-within {
            border-color: var(--primary);
            box-shadow: 0 0 0 3px rgba(198, 162, 79, 0.2);
        }
        .search-box input {
            background: transparent;
            border: none;
            outline: none;
            color: var(--text-hi);
            font-size: 0.8125rem;
            width: 100%;
            padding: 0 8px;
        }
        .search-box input::placeholder {
            color: var(--text-low);
        }
        .search-box svg {
            color: var(--text-low);
            font-size: 0.875rem;
            flex-shrink: 0;
        }
        .trend-links {
            display: flex;
            align-items: center;
            gap: 12px;
        }
        .trend-links a {
            font-size: 0.8125rem;
            color: var(--text-low);
            white-space: nowrap;
            transition: var(--transition);
        }
        .trend-links a:hover {
            color: var(--primary);
        }
        .header-nav {
            height: 44px;
            position: relative;
        }
        .nav-row {
            display: flex;
            align-items: center;
            gap: 28px;
            height: 44px;
            overflow-x: auto;
            scrollbar-width: none;
        }
        .nav-row::-webkit-scrollbar {
            display: none;
        }
        .nav-item {
            font-size: 0.875rem;
            font-weight: 500;
            color: var(--text-mid);
            position: relative;
            white-space: nowrap;
            padding: 4px 0;
            transition: var(--transition);
        }
        .nav-item::after {
            content: '';
            position: absolute;
            left: 0;
            bottom: -2px;
            width: 0;
            height: 2px;
            background: var(--primary);
            transition: width 0.3s ease;
            border-radius: 2px;
        }
        .nav-item:hover {
            color: var(--text-hi);
        }
        .nav-item:hover::after {
            width: 100%;
        }
        .nav-item.active {
            color: var(--text-hi);
            font-weight: 600;
        }
        .nav-item.active::after {
            width: 100%;
        }
        .online-status {
            display: flex;
            align-items: center;
            gap: 6px;
            font-size: 0.75rem;
            color: var(--accent);
            margin-left: auto;
            white-space: nowrap;
            flex-shrink: 0;
        }
        .online-status i {
            font-size: 0.5rem;
            animation: pulse-dot 2s ease-in-out infinite;
        }
        @keyframes pulse-dot {
            0%,
            100% {
                opacity: 1;
            }
            50% {
                opacity: 0.35;
            }
        }
        .menu-toggle {
            display: none;
            font-size: 1.25rem;
            color: var(--text-hi);
            padding: 6px;
            background: transparent;
            border: none;
            transition: var(--transition);
        }
        .menu-toggle:hover {
            color: var(--primary);
        }
        .mobile-menu {
            display: none;
            position: fixed;
            top: 0;
            left: 0;
            width: 100%;
            height: 100vh;
            background: rgba(13, 16, 15, 0.98);
            z-index: 200;
            padding: 24px;
            flex-direction: column;
            overflow-y: auto;
        }
        .mobile-menu.open {
            display: flex;
        }
        .mobile-menu-header {
            display: flex;
            justify-content: space-between;
            align-items: center;
            margin-bottom: 32px;
            border-bottom: 1px solid var(--line);
            padding-bottom: 16px;
        }
        .mobile-menu-close {
            font-size: 1.5rem;
            color: var(--text-hi);
            background: transparent;
            border: none;
            transition: var(--transition);
        }
        .mobile-menu-close:hover {
            color: var(--primary);
        }
        .mobile-menu-link {
            font-size: 1rem;
            line-height: 48px;
            color: var(--text-mid);
            border-bottom: 1px solid var(--line);
            display: block;
            transition: var(--transition);
        }
        .mobile-menu-link:hover {
            color: var(--primary);
            padding-left: 4px;
        }
        .mobile-menu-link.active {
            color: var(--primary);
            font-weight: 600;
        }
        /* Hero */
        .hero {
            position: relative;
            min-height: 90vh;
            display: flex;
            align-items: center;
            overflow: hidden;
        }
        .hero-bg {
            position: absolute;
            inset: 0;
            background-size: cover;
            background-position: center;
            animation: ken-burns 20s ease-in-out infinite alternate;
            z-index: 0;
        }
        @keyframes ken-burns {
            0% {
                transform: scale(1);
            }
            100% {
                transform: scale(1.06);
            }
        }
        .hero-overlay {
            position: absolute;
            inset: 0;
            background: linear-gradient(90deg, rgba(13, 16, 15, 0.88) 0%, rgba(13, 16, 15, 0.55) 55%, rgba(13, 16, 15, 0.35) 100%),
                linear-gradient(0deg, rgba(13, 16, 15, 0.8) 0%, transparent 40%);
            z-index: 1;
        }
        .hero-content {
            position: relative;
            z-index: 2;
            padding-top: 60px;
            padding-bottom: 60px;
            max-width: 760px;
        }
        .hero-badge {
            display: inline-flex;
            align-items: center;
            gap: 8px;
            font-size: 0.75rem;
            color: var(--primary);
            border: 1px solid rgba(198, 162, 79, 0.4);
            padding: 6px 16px;
            border-radius: 999px;
            background: rgba(198, 162, 79, 0.08);
            margin-bottom: 24px;
            letter-spacing: 0.05em;
        }
        .hero-badge i {
            font-size: 0.5rem;
            animation: pulse-dot 1.5s ease-in-out infinite;
        }
        .hero h1 {
            font-family: 'Noto Serif SC', 'Songti SC', STSong, serif;
            font-size: clamp(2.2rem, 5vw, 4rem);
            font-weight: 200;
            line-height: 1.2;
            color: var(--text-hi);
            margin-bottom: 20px;
            letter-spacing: 0.02em;
        }
        .hero h1 .highlight {
            color: var(--primary);
            font-weight: 300;
        }
        .hero-sub {
            font-size: 1.0625rem;
            color: var(--text-mid);
            line-height: 1.6;
            margin-bottom: 36px;
            max-width: 560px;
        }
        .hero-actions {
            display: flex;
            gap: 16px;
            flex-wrap: wrap;
            margin-bottom: 44px;
        }
        .btn-primary {
            display: inline-flex;
            align-items: center;
            gap: 8px;
            background: var(--primary);
            color: #0D100F;
            font-size: 0.9375rem;
            font-weight: 600;
            padding: 14px 32px;
            border-radius: 999px;
            border: 1px solid var(--primary);
            transition: var(--transition);
            text-decoration: none;
        }
        .btn-primary:hover {
            background: var(--primary-hover);
            border-color: var(--primary-hover);
            transform: translateY(-1px);
            box-shadow: 0 8px 24px rgba(198, 162, 79, 0.25);
        }
        .btn-primary:active {
            transform: translateY(0);
            box-shadow: none;
        }
        .btn-primary:focus-visible {
            outline: 2px solid var(--primary-hover);
            outline-offset: 2px;
        }
        .btn-ghost {
            display: inline-flex;
            align-items: center;
            gap: 8px;
            background: transparent;
            color: var(--text-hi);
            font-size: 0.9375rem;
            font-weight: 500;
            padding: 14px 32px;
            border-radius: 999px;
            border: 1px solid rgba(255, 255, 255, 0.3);
            transition: var(--transition);
            text-decoration: none;
        }
        .btn-ghost:hover {
            border-color: var(--primary);
            color: var(--primary);
            transform: translateY(-1px);
        }
        .btn-ghost:active {
            transform: translateY(0);
        }
        .btn-ghost:focus-visible {
            outline: 2px solid var(--primary);
            outline-offset: 2px;
        }
        .hero-stats {
            display: flex;
            gap: 40px;
            padding-top: 28px;
            border-top: 1px solid var(--line);
            flex-wrap: wrap;
        }
        .stat-item {
            display: flex;
            flex-direction: column;
            gap: 4px;
        }
        .stat-num {
            font-size: 1.5rem;
            font-weight: 600;
            color: var(--text-hi);
            font-variant-numeric: tabular-nums;
        }
        .stat-label {
            font-size: 0.75rem;
            color: var(--text-low);
            letter-spacing: 0.03em;
        }
        /* Sections */
        .section-steps,
        .section-rewards,
        .section-progress,
        .section-news,
        .section-faq {
            padding: 64px 0;
        }
        @media (min-width: 768px) {
            .section-steps,
            .section-rewards,
            .section-progress,
            .section-news,
            .section-faq {
                padding: 96px 0;
            }
        }
        .section-head {
            margin-bottom: 48px;
            max-width: 560px;
        }
        .section-anchor {
            display: inline-block;
            font-size: 0.75rem;
            font-weight: 600;
            color: var(--primary);
            border: 1px solid rgba(198, 162, 79, 0.4);
            border-radius: 999px;
            padding: 4px 16px;
            letter-spacing: 0.08em;
            text-transform: uppercase;
            margin-bottom: 16px;
            background: rgba(198, 162, 79, 0.06);
        }
        .section-head h2 {
            font-family: 'Noto Serif SC', 'Songti SC', STSong, serif;
            font-size: clamp(1.5rem, 3vw, 2rem);
            font-weight: 600;
            color: var(--text-hi);
            line-height: 1.3;
            margin-bottom: 12px;
        }
        .section-head p {
            font-size: 0.9375rem;
            color: var(--text-mid);
            line-height: 1.7;
        }
        .section-head.with-more {
            display: flex;
            justify-content: space-between;
            align-items: flex-end;
            max-width: 100%;
        }
        .more-link {
            display: inline-flex;
            align-items: center;
            gap: 8px;
            font-size: 0.875rem;
            font-weight: 500;
            color: var(--primary);
            transition: var(--transition);
            border-bottom: 1px solid transparent;
            padding-bottom: 2px;
            white-space: nowrap;
            margin-bottom: 8px;
        }
        .more-link:hover {
            color: var(--primary-hover);
            border-bottom-color: var(--primary);
        }
        .more-link i {
            transition: transform 0.3s ease;
        }
        .more-link:hover i {
            transform: translateX(4px);
        }
        /* Steps */
        .steps-grid {
            display: grid;
            grid-template-columns: 1fr;
            gap: 32px;
        }
        @media (min-width: 640px) {
            .steps-grid {
                grid-template-columns: repeat(2, 1fr);
                gap: 40px;
            }
        }
        @media (min-width: 1024px) {
            .steps-grid {
                grid-template-columns: repeat(4, 1fr);
            }
        }
        .step-card {
            position: relative;
            padding: 32px 24px 24px;
            border-radius: var(--radius-card);
            background: transparent;
            border-bottom: 1px solid var(--line);
            transition: var(--transition);
        }
        .step-card:hover {
            background: var(--bg-card);
            transform: translateY(-4px);
            box-shadow: var(--shadow-hover);
            border-bottom-color: rgba(198, 162, 79, 0.3);
        }
        .step-num {
            font-family: 'Noto Serif SC', serif;
            font-size: 3rem;
            font-weight: 200;
            color: var(--primary);
            opacity: 0.6;
            line-height: 1;
            display: block;
            margin-bottom: 20px;
            transition: var(--transition);
        }
        .step-card:hover .step-num {
            opacity: 1;
        }
        .step-card h3 {
            font-size: 1rem;
            font-weight: 600;
            color: var(--text-hi);
            margin-bottom: 8px;
            font-family: system-ui, sans-serif;
        }
        .step-card p {
            font-size: 0.875rem;
            color: var(--text-mid);
            line-height: 1.7;
        }
        /* Rewards */
        .rewards-grid {
            display: grid;
            grid-template-columns: 1fr;
            gap: 24px;
        }
        @media (min-width: 1024px) {
            .rewards-grid {
                grid-template-columns: repeat(3, 1fr);
                gap: 32px;
            }
        }
        @media (min-width: 1024px) {
            .rewards-grid .reward-card.large {
                grid-column: span 1;
                min-height: 100%;
                display: flex;
                flex-direction: column;
            }
            .rewards-grid .reward-card.large .reward-body {
                flex: 1;
            }
        }
        .reward-card {
            background: var(--bg-card);
            border-radius: var(--radius-card);
            overflow: hidden;
            border: 1px solid var(--line);
            transition: var(--transition);
        }
        .reward-card:hover {
            transform: translateY(-4px);
            box-shadow: var(--shadow-hover);
            border-color: rgba(198, 162, 79, 0.25);
        }
        .reward-card img {
            width: 100%;
            height: 200px;
            object-fit: cover;
            transition: transform 0.4s ease;
        }
        .reward-card:hover img {
            transform: scale(1.04);
        }
        .reward-body {
            padding: 24px;
        }
        .reward-tag {
            display: inline-block;
            font-size: 0.75rem;
            font-weight: 600;
            color: #0D100F;
            background: var(--primary);
            border-radius: 999px;
            padding: 3px 14px;
            letter-spacing: 0.04em;
            margin-bottom: 14px;
        }
        .reward-value {
            font-size: 1.75rem;
            font-weight: 600;
            color: var(--primary);
            font-variant-numeric: tabular-nums;
            line-height: 1.2;
            margin-bottom: 8px;
        }
        .reward-card .reward-value.jade {
            color: var(--accent);
        }
        .reward-body h3 {
            font-size: 1.125rem;
            font-weight: 600;
            color: var(--text-hi);
            margin-bottom: 8px;
        }
        .reward-body p {
            font-size: 0.875rem;
            color: var(--text-mid);
            line-height: 1.7;
            margin-bottom: 16px;
        }
        .text-link {
            display: inline-flex;
            align-items: center;
            gap: 6px;
            font-size: 0.875rem;
            font-weight: 500;
            color: var(--primary);
            transition: var(--transition);
            text-decoration: none;
            border-bottom: 1px solid transparent;
            padding-bottom: 1px;
        }
        .text-link:hover {
            color: var(--primary-hover);
            border-bottom-color: var(--primary);
        }
        .text-link i {
            transition: transform 0.3s ease;
            font-size: 0.75rem;
        }
        .text-link:hover i {
            transform: translateX(4px);
        }
        /* Progress */
        .section-progress {
            background: var(--bg-elev);
            border-top: 1px solid var(--line);
            border-bottom: 1px solid var(--line);
        }
        .progress-track {
            display: flex;
            align-items: center;
            justify-content: center;
            margin: 48px 0 32px;
            gap: 0;
        }
        .progress-step {
            display: flex;
            flex-direction: column;
            align-items: center;
            gap: 10px;
            min-width: 80px;
        }
        .progress-icon {
            width: 48px;
            height: 48px;
            border-radius: 50%;
            background: var(--bg-card);
            border: 2px solid var(--line);
            display: flex;
            align-items: center;
            justify-content: center;
            font-size: 1rem;
            color: var(--text-low);
            transition: var(--transition);
            position: relative;
        }
        .progress-step.done .progress-icon {
            background: rgba(72, 166, 140, 0.2);
            border-color: var(--accent);
            color: var(--accent);
        }
        .progress-step.current .progress-icon {
            border-color: var(--primary);
            color: var(--primary);
            box-shadow: 0 0 0 4px rgba(198, 162, 79, 0.15), 0 0 20px rgba(198, 162, 79, 0.2);
        }
        .progress-step.current .progress-icon::after {
            content: '';
            position: absolute;
            inset: -6px;
            border-radius: 50%;
            border: 2px solid rgba(198, 162, 79, 0.3);
            animation: pulse-ring 2s ease-out infinite;
        }
        @keyframes pulse-ring {
            0% {
                transform: scale(0.9);
                opacity: 0.8;
            }
            100% {
                transform: scale(1.3);
                opacity: 0;
            }
        }
        .progress-label {
            font-size: 0.8125rem;
            color: var(--text-mid);
            font-weight: 500;
        }
        .progress-step.done .progress-label {
            color: var(--accent);
        }
        .progress-step.current .progress-label {
            color: var(--primary);
            font-weight: 600;
        }
        .progress-line {
            height: 2px;
            flex: 0 0 40px;
            background: rgba(255, 255, 255, 0.1);
            border-radius: 2px;
            position: relative;
            top: -17px;
        }
        @media (min-width: 640px) {
            .progress-line {
                flex: 0 0 80px;
            }
        }
        .progress-line.done {
            background: rgba(72, 166, 140, 0.6);
        }
        .progress-bar-wrap {
            max-width: 420px;
            margin: 0 auto;
            background: rgba(255, 255, 255, 0.08);
            height: 6px;
            border-radius: 999px;
            overflow: hidden;
        }
        .progress-bar-fill {
            height: 100%;
            background: linear-gradient(90deg, var(--primary), var(--primary-hover));
            border-radius: 999px;
            color: transparent;
            font-size: 0;
            display: flex;
            align-items: center;
            justify-content: center;
            transition: width 1s ease;
        }
        .progress-bar-fill.has-text {
            color: var(--text-hi);
            font-size: 0.75rem;
            font-weight: 600;
            padding-right: 10px;
            justify-content: flex-end;
            min-width: 40px;
        }
        /* CTA */
        .section-cta {
            padding: 80px 0;
            background-image: url('/assets/images/backpic/back-2.png');
            background-size: cover;
            background-position: center;
            background-attachment: fixed;
            position: relative;
        }
        .section-cta::before {
            content: '';
            position: absolute;
            inset: 0;
            background: rgba(13, 16, 15, 0.75);
        }
        .cta-box {
            position: relative;
            z-index: 1;
            text-align: center;
            max-width: 640px;
            margin: 0 auto;
            padding: 24px;
        }
        .cta-box h2 {
            font-family: 'Noto Serif SC', serif;
            font-size: clamp(1.625rem, 3vw, 2.25rem);
            font-weight: 300;
            color: var(--text-hi);
            margin-bottom: 16px;
            line-height: 1.3;
        }
        .cta-box p {
            font-size: 1rem;
            color: var(--text-mid);
            margin-bottom: 32px;
            line-height: 1.7;
        }
        .cta-box .btn-primary {
            font-size: 1rem;
            padding: 16px 40px;
        }
        /* News */
        .section-news {
            background: transparent;
        }
        .news-grid {
            display: grid;
            grid-template-columns: 1fr;
            gap: 24px;
        }
        @media (min-width: 640px) {
            .news-grid {
                grid-template-columns: repeat(2, 1fr);
            }
        }
        @media (min-width: 1024px) {
            .news-grid {
                grid-template-columns: repeat(3, 1fr);
                gap: 28px;
            }
        }
        .news-card {
            background: var(--bg-card);
            border-radius: var(--radius-card);
            overflow: hidden;
            border: 1px solid var(--line);
            display: flex;
            flex-direction: column;
            transition: var(--transition);
        }
        .news-card:hover {
            transform: translateY(-4px);
            box-shadow: var(--shadow-hover);
            border-color: rgba(198, 162, 79, 0.25);
        }
        .news-thumb {
            width: 100%;
            height: 190px;
            background-size: cover;
            background-position: center;
            position: relative;
            transition: transform 0.4s ease;
        }
        .news-thumb::after {
            content: '';
            position: absolute;
            inset: 0;
            background: linear-gradient(0deg, rgba(13, 16, 15, 0.15) 0%, transparent 40%);
        }
        .news-card:hover .news-thumb {
            transform: scale(1.02);
        }
        .news-body {
            padding: 20px 20px 24px;
            display: flex;
            flex-direction: column;
            flex: 1;
        }
        .news-tag {
            display: inline-block;
            align-self: flex-start;
            font-size: 0.75rem;
            font-weight: 600;
            color: var(--primary);
            background: rgba(198, 162, 79, 0.12);
            border: 1px solid rgba(198, 162, 79, 0.25);
            border-radius: 999px;
            padding: 3px 12px;
            letter-spacing: 0.03em;
            margin-bottom: 12px;
            text-transform: uppercase;
        }
        .news-body h3 {
            font-size: 1rem;
            font-weight: 600;
            color: var(--text-hi);
            line-height: 1.5;
            margin-bottom: 8px;
            display: -webkit-box;
            -webkit-line-clamp: 2;
            -webkit-box-orient: vertical;
            overflow: hidden;
        }
        .news-body p {
            font-size: 0.875rem;
            color: var(--text-mid);
            line-height: 1.7;
            margin-bottom: 16px;
            display: -webkit-box;
            -webkit-line-clamp: 2;
            -webkit-box-orient: vertical;
            overflow: hidden;
            flex: 1;
        }
        .news-meta {
            display: flex;
            align-items: center;
            justify-content: space-between;
            font-size: 0.8125rem;
            color: var(--text-low);
            border-top: 1px solid var(--line);
            padding-top: 12px;
        }
        .news-meta time {
            font-variant-numeric: tabular-nums;
            font-size: 0.75rem;
        }
        .read-more {
            display: inline-flex;
            align-items: center;
            gap: 4px;
            font-size: 0.8125rem;
            color: var(--primary);
            font-weight: 500;
            transition: var(--transition);
        }
        .read-more:hover {
            color: var(--primary-hover);
        }
        .read-more i {
            font-size: 0.75rem;
            transition: transform 0.3s ease;
        }
        .news-card:hover .read-more i {
            transform: translateX(4px);
        }
        .empty-state {
            grid-column: 1 / -1;
            display: flex;
            flex-direction: column;
            align-items: center;
            justify-content: center;
            min-height: 220px;
            background: var(--bg-card);
            border-radius: var(--radius-card);
            border: 1px dashed var(--line);
            color: var(--text-low);
            font-size: 0.9375rem;
            gap: 12px;
        }
        .empty-state i {
            font-size: 2rem;
            opacity: 0.5;
        }
        /* FAQ */
        .section-faq {
            background: var(--bg-elev);
            border-top: 1px solid var(--line);
        }
        .faq-list {
            max-width: 800px;
            margin: 0 auto;
        }
        .faq-item {
            border-bottom: 1px solid var(--line);
        }
        .faq-item:first-child {
            border-top: 1px solid var(--line);
        }
        .faq-question {
            display: flex;
            align-items: center;
            justify-content: space-between;
            width: 100%;
            text-align: left;
            padding: 20px 0;
            font-size: 1rem;
            font-weight: 500;
            color: var(--text-hi);
            background: transparent;
            border: none;
            cursor: pointer;
            transition: var(--transition);
            gap: 16px;
        }
        .faq-question:hover {
            color: var(--primary);
        }
        .faq-question.active {
            color: var(--primary);
        }
        .faq-icon {
            display: flex;
            align-items: center;
            justify-content: center;
            width: 28px;
            height: 28px;
            border-radius: 50%;
            border: 1px solid var(--line);
            flex-shrink: 0;
            font-size: 0.875rem;
            color: var(--text-mid);
            transition: var(--transition);
        }
        .faq-question.active .faq-icon {
            transform: rotate(45deg);
            border-color: var(--primary);
            color: var(--primary);
        }
        .faq-answer {
            max-height: 0;
            overflow: hidden;
            transition: max-height 0.4s ease;
        }
        .faq-answer p {
            padding: 0 0 20px;
            font-size: 0.875rem;
            color: var(--text-mid);
            line-height: 1.7;
            margin: 0;
        }
        /* Footer */
        .site-footer {
            background: #0A0D0C;
            border-top: 1px solid var(--line);
            padding: 64px 0 0;
        }
        .footer-grid {
            display: grid;
            grid-template-columns: 1fr;
            gap: 40px;
            padding-bottom: 48px;
        }
        @media (min-width: 768px) {
            .footer-grid {
                grid-template-columns: 2fr 1fr 1fr;
            }
        }
        .footer-brand {
            max-width: 360px;
        }
        .footer-logo {
            font-size: 1.25rem;
            font-weight: 700;
            color: var(--text-hi);
            display: block;
            margin-bottom: 16px;
            letter-spacing: 0.02em;
            background: linear-gradient(90deg, #C6A24F 0%, #F2EFE9 50%, #C6A24F 100%);
            -webkit-background-clip: text;
            -webkit-text-fill-color: transparent;
            background-clip: text;
        }
        .footer-brand p {
            font-size: 0.875rem;
            color: var(--text-low);
            line-height: 1.7;
        }
        .footer-col h4 {
            font-size: 0.875rem;
            font-weight: 600;
            color: var(--text-hi);
            margin-bottom: 16px;
            letter-spacing: 0.05em;
        }
        .footer-col a {
            display: block;
            font-size: 0.875rem;
            color: var(--text-low);
            line-height: 36px;
            transition: var(--transition);
        }
        .footer-col a:hover {
            color: var(--primary);
            padding-left: 4px;
        }
        .footer-bottom {
            border-top: 1px solid var(--line);
            padding: 24px 0;
            text-align: center;
        }
        .footer-bottom p {
            font-size: 0.8125rem;
            color: var(--text-low);
            line-height: 1.6;
        }
        /* Responsive */
        @media (max-width: 1024px) {
            .search-box {
                width: 200px;
            }
            .nav-row {
                gap: 20px;
            }
        }
        @media (max-width: 768px) {
            .trend-links {
                display: none;
            }
            .search-box {
                flex: 1;
                max-width: 260px;
            }
            .header-row {
                gap: 12px;
            }
        }
        @media (max-width: 640px) {
            .search-box {
                width: 160px;
            }
            .search-box input {
                font-size: 0.75rem;
            }
            .header-nav {
                display: none;
            }
            .menu-toggle {
                display: block;
            }
            .hero {
                min-height: 80vh;
            }
            .hero-actions {
                flex-direction: column;
                align-items: stretch;
            }
            .hero-actions .btn-primary,
            .hero-actions .btn-ghost {
                justify-content: center;
            }
            .hero-stats {
                gap: 24px;
                flex-direction: column;
            }
            .stat-item {
                flex-direction: row;
                align-items: baseline;
                gap: 8px;
            }
            .progress-track {
                flex-direction: column;
                gap: 8px;
                align-items: flex-start;
                padding-left: 24px;
            }
            .progress-line {
                width: 2px;
                height: 24px;
                flex: none;
                top: 0;
                margin-left: 24px;
            }
            .progress-step {
                flex-direction: row;
                min-width: 0;
                gap: 12px;
            }
            .progress-label {
                font-size: 0.875rem;
            }
            .progress-icon {
                width: 40px;
                height: 40px;
            }
            .faq-question {
                font-size: 0.9375rem;
                padding: 16px 0;
            }
        }
        @media (max-width: 480px) {
            .search-box {
                width: 120px;
                padding: 0 10px;
            }
            .search-box svg {
                font-size: 0.75rem;
            }
            .logo {
                font-size: 1rem;
            }
            .hero h1 {
                font-size: 2rem;
            }
            .hero-sub {
                font-size: 0.9375rem;
            }
            .section-steps,
            .section-rewards,
            .section-progress,
            .section-news,
            .section-faq {
                padding: 48px 0;
            }
        }
        /* Scroll reveal */
        .reveal {
            opacity: 0;
            transform: translateY(24px);
            transition: opacity 0.6s ease, transform 0.6s ease;
        }
        .reveal.visible {
            opacity: 1;
            transform: translateY(0);
        }
        .reveal-delay-1 {
            transition-delay: 0.08s;
        }
        .reveal-delay-2 {
            transition-delay: 0.16s;
        }
        .reveal-delay-3 {
            transition-delay: 0.24s;
        }
        /* Focus accessibility */
        a:focus-visible,
        button:focus-visible {
            outline: 2px solid var(--primary);
            outline-offset: 2px;
            border-radius: 4px;
        }

/* roulang page: category1 */
:root {
            --bg: #0D100F;
            --bg-elev: #161A18;
            --bg-card: #1A1F1D;
            --primary: #C6A24F;
            --primary-hover: #D9B968;
            --accent: #48A68C;
            --text-hi: #F2EFE9;
            --text-mid: #A9B0AA;
            --text-low: #70766F;
            --line: rgba(255, 255, 255, 0.08);
            --radius: 16px;
            --radius-sm: 12px;
            --radius-pill: 999px;
            --shadow: 0 20px 40px -20px rgba(0, 0, 0, 0.6);
            --transition: all 0.3s ease;
        }

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

        html {
            scroll-behavior: smooth;
        }

        body {
            font-family: "PingFang SC", "Microsoft YaHei", system-ui, -apple-system, sans-serif;
            background-color: var(--bg);
            color: var(--text-hi);
            line-height: 1.75;
            font-size: 16px;
            -webkit-font-smoothing: antialiased;
        }

        .site-wrapper {
            max-width: 1280px;
            margin: 0 auto;
            padding: 0 20px;
        }

        @media (min-width: 768px) {
            .site-wrapper {
                padding: 0 32px;
            }
        }

        a {
            color: inherit;
            text-decoration: none;
        }

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

        button,
        input {
            font-family: inherit;
        }

        /* 导航 */
        .header-nav {
            position: sticky;
            top: 0;
            z-index: 999;
            border-bottom: 1px solid rgba(255, 255, 255, 0.08);
            background: rgba(13, 16, 15, 0.88);
            backdrop-filter: blur(18px);
            -webkit-backdrop-filter: blur(18px);
            transition: var(--transition);
        }

        .header-nav .nav-row {
            display: flex;
            align-items: center;
            justify-content: space-between;
            min-height: 52px;
            gap: 8px;
            flex-wrap: nowrap;
        }

        .header-nav .nav-item {
            font-size: 14px;
            color: var(--text-mid);
            padding: 6px 14px;
            border-radius: 999px;
            transition: var(--transition);
            white-space: nowrap;
            position: relative;
        }

        .header-nav .nav-item:hover {
            color: var(--text-hi);
            background: rgba(255, 255, 255, 0.04);
        }

        .header-nav .nav-item.active {
            color: var(--primary);
            font-weight: 500;
            background: rgba(198, 162, 79, 0.1);
        }

        .header-nav .nav-item.active::after {
            content: '';
            position: absolute;
            bottom: 0;
            left: 50%;
            transform: translateX(-50%);
            width: 20px;
            height: 2px;
            border-radius: 2px;
            background: var(--primary);
        }

        .header-nav .online-status {
            display: inline-flex;
            align-items: center;
            gap: 6px;
            font-size: 12px;
            color: var(--accent);
            background: rgba(72, 166, 140, 0.1);
            padding: 4px 12px;
            border-radius: 999px;
            white-space: nowrap;
        }

        .header-nav .online-status i {
            font-size: 8px;
            animation: pulse 1.8s infinite;
        }

        @keyframes pulse {
            0%,
            100% {
                opacity: 1;
            }
            50% {
                opacity: 0.35;
            }
        }

        .mobile-nav-toggle {
            display: none;
            background: none;
            border: none;
            color: var(--text-hi);
            font-size: 20px;
            cursor: pointer;
        }

        .nav-mobile {
            display: none;
            flex-direction: column;
            background: var(--bg-elev);
            border-top: 1px solid var(--line);
            padding: 8px 0;
        }

        .nav-mobile a {
            padding: 12px 24px;
            font-size: 15px;
            color: var(--text-mid);
            border-bottom: 1px solid rgba(255, 255, 255, 0.04);
            transition: var(--transition);
        }

        .nav-mobile a:hover {
            color: var(--primary);
            background: rgba(255, 255, 255, 0.02);
        }

        .nav-mobile a.active {
            color: var(--primary);
            font-weight: 500;
        }

        .nav-mobile .online-status {
            margin: 12px 24px;
        }

        @media (max-width: 960px) {
            .header-nav .nav-row .nav-item,
            .header-nav .nav-row .online-status {
                display: none;
            }
            .mobile-nav-toggle {
                display: inline-flex;
                align-items: center;
            }
            .nav-mobile.open {
                display: flex;
            }
            .header-nav .logo-text {
                font-size: 15px !important;
            }
        }

        /* 品牌Logo */
        .logo-text {
            font-family: "Noto Serif SC", "Songti SC", "STSong", serif;
            font-size: 18px;
            font-weight: 600;
            color: var(--text-hi);
            letter-spacing: 0.02em;
            white-space: nowrap;
        }

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

        /* Hero */
        .category-hero {
            position: relative;
            min-height: 420px;
            display: flex;
            align-items: center;
            overflow: hidden;
            background-color: var(--bg);
            border-bottom: 1px solid var(--line);
        }

        .category-hero .bg-layer {
            position: absolute;
            inset: 0;
            background-image: url('/assets/images/backpic/back-1.webp');
            background-size: cover;
            background-position: center;
            animation: kenburns 20s ease-in-out infinite alternate;
            z-index: 0;
        }

        .category-hero .bg-overlay {
            position: absolute;
            inset: 0;
            background: linear-gradient(90deg, rgba(13, 16, 15, 0.92) 0%, rgba(13, 16, 15, 0.72) 45%, rgba(13, 16, 15, 0.55) 100%);
            z-index: 1;
        }

        @keyframes kenburns {
            0% {
                transform: scale(1);
            }
            100% {
                transform: scale(1.08);
            }
        }

        .category-hero .hero-content {
            position: relative;
            z-index: 2;
            padding: 80px 0;
            max-width: 760px;
        }

        .category-hero .hero-tag {
            display: inline-flex;
            align-items: center;
            gap: 8px;
            font-size: 12px;
            letter-spacing: 0.08em;
            color: var(--primary);
            border: 1px solid rgba(198, 162, 79, 0.4);
            border-radius: 999px;
            padding: 6px 18px;
            background: rgba(198, 162, 79, 0.06);
            text-transform: uppercase;
            margin-bottom: 20px;
        }

        .category-hero .hero-title {
            font-family: "Noto Serif SC", "Songti SC", "STSong", serif;
            font-size: clamp(2rem, 5vw, 3.2rem);
            font-weight: 600;
            color: var(--text-hi);
            line-height: 1.25;
            margin-bottom: 16px;
            letter-spacing: 0.02em;
        }

        .category-hero .hero-title em {
            font-style: normal;
            color: var(--primary);
        }

        .category-hero .hero-desc {
            font-size: 16px;
            color: var(--text-mid);
            line-height: 1.7;
            margin-bottom: 28px;
            max-width: 620px;
        }

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

        /* 按钮 */
        .btn {
            display: inline-flex;
            align-items: center;
            justify-content: center;
            gap: 8px;
            font-size: 15px;
            font-weight: 600;
            border-radius: 999px;
            padding: 12px 30px;
            transition: var(--transition);
            cursor: pointer;
            border: none;
            letter-spacing: 0.01em;
        }

        .btn-primary {
            background: var(--primary);
            color: #0D100F;
        }

        .btn-primary:hover {
            background: var(--primary-hover);
            transform: translateY(-2px);
            box-shadow: 0 12px 24px -8px rgba(198, 162, 79, 0.35);
        }

        .btn-primary:active {
            transform: translateY(1px);
            box-shadow: none;
        }

        .btn-ghost {
            background: transparent;
            color: var(--text-hi);
            border: 1px solid rgba(255, 255, 255, 0.25);
        }

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

        .btn-ghost:active {
            transform: translateY(1px);
        }

        .btn-lg {
            padding: 14px 36px;
            font-size: 16px;
        }

        /* 区块 */
        .section {
            padding: 72px 0;
            border-bottom: 1px solid var(--line);
        }

        .section-tag {
            display: inline-flex;
            align-items: center;
            gap: 8px;
            font-size: 12px;
            letter-spacing: 0.06em;
            color: var(--primary);
            border: 1px solid rgba(198, 162, 79, 0.35);
            border-radius: 999px;
            padding: 5px 16px;
            background: rgba(198, 162, 79, 0.05);
            margin-bottom: 20px;
            text-transform: uppercase;
        }

        .section-title {
            font-family: "Noto Serif SC", "Songti SC", "STSong", serif;
            font-size: clamp(1.5rem, 2.6vw, 2rem);
            font-weight: 600;
            color: var(--text-hi);
            line-height: 1.3;
            margin-bottom: 16px;
            letter-spacing: 0.01em;
        }

        .section-desc {
            font-size: 15px;
            color: var(--text-mid);
            line-height: 1.75;
            max-width: 640px;
            margin-bottom: 32px;
        }

        /* 图文交错 */
        .feature-block {
            display: grid;
            grid-template-columns: 1fr 1fr;
            gap: 48px;
            align-items: center;
            margin-bottom: 56px;
        }

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

        .feature-block.reverse {
            direction: rtl;
        }

        .feature-block.reverse>* {
            direction: ltr;
        }

        .feature-image {
            position: relative;
            border-radius: var(--radius);
            overflow: hidden;
            height: 340px;
            background-color: var(--bg-card);
            border: 1px solid var(--line);
            box-shadow: var(--shadow);
        }

        .feature-image img {
            width: 100%;
            height: 100%;
            object-fit: cover;
            transition: transform 0.6s ease;
        }

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

        .feature-image .img-badge {
            position: absolute;
            top: 16px;
            left: 16px;
            background: rgba(13, 16, 15, 0.75);
            backdrop-filter: blur(4px);
            border: 1px solid rgba(198, 162, 79, 0.4);
            color: var(--primary);
            font-size: 12px;
            padding: 6px 14px;
            border-radius: 999px;
            letter-spacing: 0.04em;
        }

        .feature-content h3 {
            font-family: "Noto Serif SC", "Songti SC", "STSong", serif;
            font-size: 1.4rem;
            font-weight: 600;
            color: var(--text-hi);
            margin-bottom: 14px;
            line-height: 1.4;
        }

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

        .feature-list {
            display: grid;
            gap: 10px;
            margin-top: 16px;
        }

        .feature-list li {
            display: flex;
            align-items: flex-start;
            gap: 10px;
            font-size: 14px;
            color: var(--text-mid);
            line-height: 1.65;
        }

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

        /* 入口卡片 */
        .entry-cards {
            display: grid;
            grid-template-columns: repeat(3, 1fr);
            gap: 24px;
        }

        .entry-card {
            background: var(--bg-card);
            border: 1px solid var(--line);
            border-radius: var(--radius);
            padding: 32px 24px;
            transition: var(--transition);
            position: relative;
            overflow: hidden;
        }

        .entry-card::before {
            content: '';
            position: absolute;
            top: 0;
            left: 0;
            right: 0;
            height: 2px;
            background: linear-gradient(90deg, transparent, var(--primary), transparent);
            opacity: 0.4;
            transition: var(--transition);
        }

        .entry-card:hover {
            transform: translateY(-4px);
            border-color: rgba(198, 162, 79, 0.3);
            box-shadow: var(--shadow);
        }

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

        .entry-icon {
            width: 52px;
            height: 52px;
            border-radius: 14px;
            display: flex;
            align-items: center;
            justify-content: center;
            font-size: 20px;
            background: rgba(198, 162, 79, 0.1);
            color: var(--primary);
            margin-bottom: 20px;
        }

        .entry-card h3 {
            font-size: 17px;
            font-weight: 600;
            color: var(--text-hi);
            margin-bottom: 8px;
        }

        .entry-card p {
            font-size: 14px;
            color: var(--text-mid);
            line-height: 1.7;
        }

        .entry-tag {
            display: inline-block;
            font-size: 12px;
            color: var(--accent);
            background: rgba(72, 166, 140, 0.08);
            border-radius: 999px;
            padding: 3px 12px;
            margin-top: 14px;
        }

        /* 优势列表 */
        .advantage-grid {
            display: grid;
            grid-template-columns: repeat(4, 1fr);
            gap: 20px;
        }

        .advantage-item {
            background: rgba(255, 255, 255, 0.02);
            border: 1px solid var(--line);
            border-radius: var(--radius-sm);
            padding: 24px 20px;
            transition: var(--transition);
        }

        .advantage-item:hover {
            background: rgba(198, 162, 79, 0.04);
            border-color: rgba(198, 162, 79, 0.2);
        }

        .advantage-num {
            font-family: "Noto Serif SC", "Songti SC", "STSong", serif;
            font-size: 28px;
            font-weight: 300;
            color: var(--primary);
            line-height: 1.2;
            margin-bottom: 10px;
            letter-spacing: 0.02em;
        }

        .advantage-item h4 {
            font-size: 15px;
            font-weight: 600;
            color: var(--text-hi);
            margin-bottom: 6px;
        }

        .advantage-item p {
            font-size: 13px;
            color: var(--text-low);
            line-height: 1.6;
        }

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

        .scenario-card {
            background: var(--bg-card);
            border: 1px solid var(--line);
            border-radius: var(--radius);
            padding: 28px 24px;
            display: flex;
            gap: 16px;
            align-items: flex-start;
            transition: var(--transition);
        }

        .scenario-card:hover {
            border-color: rgba(198, 162, 79, 0.25);
            transform: translateY(-2px);
        }

        .scenario-icon {
            width: 44px;
            height: 44px;
            border-radius: 12px;
            display: flex;
            align-items: center;
            justify-content: center;
            font-size: 18px;
            background: rgba(72, 166, 140, 0.1);
            color: var(--accent);
            flex-shrink: 0;
        }

        .scenario-card h4 {
            font-size: 16px;
            font-weight: 600;
            color: var(--text-hi);
            margin-bottom: 6px;
        }

        .scenario-card p {
            font-size: 14px;
            color: var(--text-mid);
            line-height: 1.6;
        }

        /* 流程时间线 */
        .process-timeline {
            display: flex;
            gap: 0;
            position: relative;
            margin-top: 32px;
        }

        .process-timeline::before {
            content: '';
            position: absolute;
            top: 28px;
            left: 60px;
            right: 60px;
            height: 1px;
            background: var(--line);
        }

        .process-step {
            flex: 1;
            text-align: center;
            position: relative;
            z-index: 1;
            padding: 0 16px;
        }

        .process-dot {
            width: 56px;
            height: 56px;
            border-radius: 50%;
            background: var(--bg-elev);
            border: 1px solid var(--line);
            display: flex;
            align-items: center;
            justify-content: center;
            margin: 0 auto 16px;
            font-family: "Noto Serif SC", "Songti SC", "STSong", serif;
            font-size: 18px;
            color: var(--primary);
            transition: var(--transition);
        }

        .process-step:hover .process-dot {
            border-color: var(--primary);
            box-shadow: 0 0 20px rgba(198, 162, 79, 0.2);
        }

        .process-step h4 {
            font-size: 15px;
            font-weight: 600;
            color: var(--text-hi);
            margin-bottom: 6px;
        }

        .process-step p {
            font-size: 14px;
            color: var(--text-low);
            line-height: 1.6;
        }

        /* FAQ */
        .faq-wrap {
            max-width: 780px;
            margin: 0 auto;
        }

        .faq-item {
            border-bottom: 1px solid var(--line);
        }

        .faq-item:first-child {
            border-top: 1px solid var(--line);
        }

        .faq-question {
            width: 100%;
            display: flex;
            justify-content: space-between;
            align-items: center;
            background: none;
            border: none;
            padding: 20px 0;
            cursor: pointer;
            font-size: 16px;
            font-weight: 500;
            color: var(--text-hi);
            transition: var(--transition);
            text-align: left;
        }

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

        .faq-question .icon-plus {
            font-size: 18px;
            color: var(--primary);
            transition: transform 0.3s ease;
            flex-shrink: 0;
        }

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

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

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

        .faq-answer-inner {
            padding: 0 0 20px;
            font-size: 14px;
            color: var(--text-mid);
            line-height: 1.75;
        }

        /* CTA */
        .cta-banner {
            background: linear-gradient(135deg, var(--bg-elev), #101411);
            border: 1px solid rgba(198, 162, 79, 0.25);
            border-radius: 20px;
            padding: 56px 40px;
            text-align: center;
            position: relative;
            overflow: hidden;
        }

        .cta-banner::before {
            content: '';
            position: absolute;
            top: -50%;
            right: -20%;
            width: 300px;
            height: 300px;
            border-radius: 50%;
            background: rgba(198, 162, 79, 0.08);
            filter: blur(60px);
        }

        .cta-banner h2 {
            font-family: "Noto Serif SC", "Songti SC", "STSong", serif;
            font-size: clamp(1.6rem, 3vw, 2.2rem);
            color: var(--text-hi);
            font-weight: 600;
            margin-bottom: 12px;
            position: relative;
            z-index: 1;
        }

        .cta-banner p {
            font-size: 15px;
            color: var(--text-mid);
            margin-bottom: 28px;
            position: relative;
            z-index: 1;
            max-width: 520px;
            margin-left: auto;
            margin-right: auto;
        }

        .cta-banner .btn {
            position: relative;
            z-index: 1;
        }

        /* 页脚 */
        .site-footer {
            background: var(--bg-elev);
            border-top: 1px solid var(--line);
            padding-top: 48px;
            margin-top: 0;
        }

        .footer-grid {
            display: grid;
            grid-template-columns: 1.5fr 1fr 1fr;
            gap: 32px;
            margin-bottom: 32px;
        }

        .footer-logo {
            font-family: "Noto Serif SC", "Songti SC", "STSong", serif;
            font-size: 18px;
            font-weight: 600;
            color: var(--text-hi);
            margin-bottom: 12px;
            display: inline-block;
        }

        .footer-brand p {
            font-size: 14px;
            color: var(--text-low);
            line-height: 1.7;
            max-width: 320px;
        }

        .footer-col h4 {
            font-size: 14px;
            color: var(--text-hi);
            font-weight: 600;
            margin-bottom: 16px;
            letter-spacing: 0.02em;
        }

        .footer-col a {
            display: block;
            font-size: 14px;
            color: var(--text-mid);
            padding: 5px 0;
            transition: var(--transition);
        }

        .footer-col a:hover {
            color: var(--primary);
            padding-left: 4px;
        }

        .footer-bottom {
            border-top: 1px solid var(--line);
            padding: 16px 0;
            font-size: 13px;
            color: var(--text-low);
            text-align: center;
        }

        /* 移动端 */
        @media (max-width: 768px) {
            .section {
                padding: 48px 0;
            }

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

            .feature-block.reverse {
                direction: ltr;
            }

            .feature-image {
                height: 240px;
            }

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

            .advantage-grid {
                grid-template-columns: repeat(2, 1fr);
                gap: 16px;
            }

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

            .process-timeline {
                flex-direction: column;
                gap: 24px;
                padding-left: 28px;
            }

            .process-timeline::before {
                left: 14px;
                right: auto;
                top: 0;
                bottom: 0;
                width: 1px;
                height: auto;
            }

            .process-step {
                text-align: left;
                padding: 0;
                display: flex;
                align-items: flex-start;
                gap: 16px;
            }

            .process-dot {
                margin: 0;
                flex-shrink: 0;
            }

            .cta-banner {
                padding: 40px 24px;
            }

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

            .category-hero {
                min-height: 360px;
            }

            .category-hero .hero-content {
                padding: 48px 0;
            }

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

        @media (max-width: 520px) {
            .advantage-grid {
                grid-template-columns: 1fr;
            }

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

            .category-hero .hero-title {
                font-size: 1.7rem;
            }

            .header-nav .nav-row {
                min-height: 48px;
            }
        }

        /* 滚动进入动画 */
        .fade-up {
            opacity: 0;
            transform: translateY(20px);
            transition: opacity 0.6s ease, transform 0.6s ease;
        }

        .fade-up.visible {
            opacity: 1;
            transform: translateY(0);
        }

        /* 滚动条 */
        ::-webkit-scrollbar {
            width: 8px;
        }

        ::-webkit-scrollbar-track {
            background: var(--bg);
        }

        ::-webkit-scrollbar-thumb {
            background: #2a312e;
            border-radius: 8px;
        }

        ::-webkit-scrollbar-thumb:hover {
            background: #3a4340;
        }

        /* 焦点可见性 */
        a:focus-visible,
        button:focus-visible {
            outline: 2px solid var(--primary);
            outline-offset: 3px;
            border-radius: 4px;
        }

        input:focus-visible {
            outline: 2px solid var(--primary);
            outline-offset: 2px;
        }

/* roulang page: article */
:root {
  --bg: #0D100F;
  --bg-elev: #161A18;
  --bg-card: #1A1F1D;
  --primary: #C6A24F;
  --primary-hover: #D9B968;
  --accent: #48A68C;
  --text-hi: #F2EFE9;
  --text-mid: #A9B0AA;
  --text-low: #70766F;
  --line: rgba(255,255,255,0.08);
  --radius-card: 16px;
  --radius-btn: 999px;
  --radius-small: 12px;
  --shadow-hover: 0 20px 40px -20px rgba(0,0,0,0.6);
  --transition: all 0.3s ease;
}
*, *::before, *::after { box-sizing: border-box; }
html { scroll-behavior: smooth; }
body {
  margin: 0;
  background: var(--bg);
  color: var(--text-hi);
  font-family: "PingFang SC", "Microsoft YaHei", system-ui, sans-serif;
  font-size: 16px;
  line-height: 1.75;
  -webkit-font-smoothing: antialiased;
}
img { max-width: 100%; display: block; }
a { color: inherit; text-decoration: none; }
button { cursor: pointer; border: none; background: none; font: inherit; }
input { font: inherit; }
h1, h2, h3, h4 { margin: 0; font-weight: 600; line-height: 1.4; }
.container { max-width: 1280px; margin: 0 auto; padding-left: 20px; padding-right: 20px; }

.site-header {
  position: sticky;
  top: 0;
  z-index: 50;
  background: rgba(13,16,15,0.92);
  backdrop-filter: blur(12px);
  border-bottom: 1px solid var(--line);
}
.top-row {
  display: flex;
  align-items: center;
  justify-content: space-between;
  height: 52px;
  gap: 16px;
}
.logo {
  font-family: "Noto Serif SC", "Songti SC", "STSong", serif;
  font-size: 1.2rem;
  font-weight: 600;
  letter-spacing: 0.02em;
  color: var(--text-hi);
  white-space: nowrap;
}
.logo span { color: var(--primary); }
.header-nav { border-top: 1px solid var(--line); }
.nav-row {
  display: flex;
  align-items: center;
  gap: 28px;
  height: 44px;
  overflow-x: auto;
  white-space: nowrap;
  scrollbar-width: none;
}
.nav-row::-webkit-scrollbar { display: none; }
.nav-item {
  position: relative;
  font-size: 0.9375rem;
  color: var(--text-mid);
  padding: 8px 0;
  transition: var(--transition);
  flex-shrink: 0;
}
.nav-item:hover { color: var(--primary-hover); }
.nav-item.active { color: var(--text-hi); }
.nav-item.active::after {
  content: "";
  position: absolute;
  left: 0;
  bottom: 0;
  width: 100%;
  height: 2px;
  background: var(--primary);
  border-radius: 2px;
}
.online-status {
  display: flex;
  align-items: center;
  gap: 6px;
  margin-left: auto;
  font-size: 0.8rem;
  color: var(--accent);
  flex-shrink: 0;
}
.online-status i { font-size: 0.5rem; animation: statusPulse 2s infinite; }
@keyframes statusPulse {
  0%, 100% { opacity: 1; }
  50% { opacity: 0.4; }
}

.page-banner {
  position: relative;
  padding: 72px 0 48px;
  background:
    linear-gradient(to right, rgba(13,16,15,0.92), rgba(13,16,15,0.72)),
    url('/assets/images/backpic/back-1.webp') center / cover no-repeat;
  border-bottom: 1px solid var(--line);
}
.breadcrumb {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  gap: 8px;
  font-size: 0.8125rem;
  color: var(--text-low);
  margin-bottom: 16px;
}
.breadcrumb a { color: var(--text-mid); transition: var(--transition); }
.breadcrumb a:hover { color: var(--primary); }
.breadcrumb .sep { color: var(--text-low); }
.banner-title {
  font-family: "Noto Serif SC", "Songti SC", "STSong", serif;
  font-size: clamp(1.5rem, 3vw, 2.2rem);
  font-weight: 300;
  color: var(--text-hi);
  max-width: 720px;
  line-height: 1.4;
}

.article-wrap {
  max-width: 820px;
  margin: 0 auto;
  padding: 48px 20px 72px;
}
.article-header { margin-bottom: 32px; padding-bottom: 24px; border-bottom: 1px solid var(--line); }
.article-header h1 {
  font-family: "Noto Serif SC", "Songti SC", "STSong", serif;
  font-size: clamp(1.6rem, 3vw, 2.4rem);
  font-weight: 300;
  line-height: 1.4;
  color: var(--text-hi);
  margin-bottom: 16px;
}
.article-meta {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  gap: 16px;
  font-size: 0.8125rem;
  color: var(--text-mid);
}
.article-meta .cat {
  display: inline-flex;
  align-items: center;
  background: rgba(198,162,79,0.12);
  border: 1px solid rgba(198,162,79,0.4);
  color: var(--primary);
  font-size: 0.75rem;
  padding: 2px 12px;
  border-radius: 999px;
}
.article-meta span { display: inline-flex; align-items: center; gap: 6px; }
.article-meta i { color: var(--text-low); font-size: 0.875rem; }

.article-body {
  font-size: 1rem;
  line-height: 1.85;
  color: var(--text-mid);
}
.article-body p { margin: 0 0 1.5rem; }
.article-body h2 {
  font-size: 1.375rem;
  color: var(--text-hi);
  margin: 2rem 0 1rem;
  font-family: "Noto Serif SC", "Songti SC", "STSong", serif;
}
.article-body h3 {
  font-size: 1.125rem;
  color: var(--text-hi);
  margin: 1.5rem 0 0.75rem;
}
.article-body blockquote {
  margin: 1.5rem 0;
  padding: 16px 20px;
  border-left: 2px solid var(--primary);
  background: var(--bg-elev);
  border-radius: 0 12px 12px 0;
  color: var(--text-mid);
  font-style: italic;
}
.article-body img { border-radius: 12px; margin: 1.5rem auto; }
.article-body ul, .article-body ol { padding-left: 1.25rem; margin: 0 0 1.5rem; }
.article-body li { margin-bottom: 0.5rem; }
.article-body a { color: var(--primary); text-decoration: underline; text-underline-offset: 4px; }
.article-body a:hover { color: var(--primary-hover); }
.article-body code {
  background: var(--bg-elev);
  border: 1px solid var(--line);
  border-radius: 6px;
  padding: 2px 6px;
  font-size: 0.875em;
}
.back-link { margin-top: 40px; padding-top: 20px; border-top: 1px solid var(--line); }
.back-link a {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  color: var(--text-mid);
  font-size: 0.875rem;
  transition: var(--transition);
}
.back-link a:hover { color: var(--primary); }

.not-found {
  text-align: center;
  padding: 80px 20px;
  background: var(--bg-card);
  border: 1px solid var(--line);
  border-radius: var(--radius-card);
}
.not-found h2 { font-size: 1.5rem; margin-bottom: 12px; }
.not-found p { color: var(--text-mid); margin-bottom: 24px; }

.related { border-top: 1px solid var(--line); margin-top: 56px; padding-top: 48px; }
.related h2 {
  font-size: 1.375rem;
  margin-bottom: 24px;
  font-family: "Noto Serif SC", "Songti SC", "STSong", serif;
}
.related-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 24px;
}
.related-card {
  background: var(--bg-card);
  border: 1px solid var(--line);
  border-radius: var(--radius-card);
  overflow: hidden;
  transition: var(--transition);
}
.related-card:hover {
  transform: translateY(-4px);
  border-color: rgba(198,162,79,0.4);
  box-shadow: var(--shadow-hover);
}
.related-card img { aspect-ratio: 16 / 10; object-fit: cover; width: 100%; }
.related-body { padding: 16px; }
.related-body h3 {
  font-size: 0.9375rem;
  font-weight: 600;
  line-height: 1.5;
  color: var(--text-hi);
  margin-bottom: 8px;
  display: -webkit-box;
  -webkit-line-clamp: 2;
  -webkit-box-orient: vertical;
  overflow: hidden;
}
.related-body time { font-size: 0.8125rem; color: var(--text-low); }

.faq-section { padding: 64px 0; border-top: 1px solid var(--line); background: var(--bg-elev); }
.section-label {
  display: inline-flex;
  align-items: center;
  font-size: 0.75rem;
  letter-spacing: 0.08em;
  color: var(--primary);
  border: 1px solid rgba(198,162,79,0.35);
  border-radius: 999px;
  padding: 4px 14px;
  margin-bottom: 16px;
}
.faq-list { max-width: 780px; margin: 0 auto; }
.faq-item { border-bottom: 1px solid var(--line); }
.faq-q {
  display: flex;
  justify-content: space-between;
  align-items: center;
  width: 100%;
  padding: 20px 0;
  font-size: 1rem;
  font-weight: 500;
  color: var(--text-hi);
  text-align: left;
  transition: var(--transition);
}
.faq-q:hover { color: var(--primary); }
.faq-q .icon { font-size: 1.125rem; color: var(--primary); transition: transform 0.3s ease; }
.faq-item.open .faq-q .icon { transform: rotate(45deg); }
.faq-item.open .faq-q { color: var(--primary); }
.faq-a { max-height: 0; overflow: hidden; transition: max-height 0.3s ease; }
.faq-a p { padding: 0 0 20px; margin: 0; color: var(--text-mid); font-size: 0.9375rem; line-height: 1.7; }

.cta-section { padding: 64px 0; }
.cta-box {
  background: var(--bg-elev);
  border: 1px solid rgba(198,162,79,0.35);
  border-radius: 24px;
  padding: 56px 32px;
  text-align: center;
  position: relative;
  overflow: hidden;
}
.cta-box::before {
  content: "";
  position: absolute;
  top: 0;
  left: 0;
  right: 0;
  height: 3px;
  background: linear-gradient(90deg, transparent, var(--primary), transparent);
}
.cta-box h2 {
  font-family: "Noto Serif SC", "Songti SC", "STSong", serif;
  font-size: clamp(1.5rem, 3vw, 2rem);
  font-weight: 300;
  margin-bottom: 12px;
}
.cta-box p { color: var(--text-mid); max-width: 560px; margin: 0 auto 24px; }

.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 8px;
  padding: 12px 28px;
  border-radius: 999px;
  font-weight: 600;
  font-size: 0.9375rem;
  transition: var(--transition);
}
.btn-primary { background: var(--primary); color: #0D100F; }
.btn-primary:hover {
  background: var(--primary-hover);
  transform: translateY(-1px);
  box-shadow: 0 8px 24px rgba(198,162,79,0.25);
}
.btn-primary:active { transform: translateY(0); }
.btn-ghost {
  background: transparent;
  border: 1px solid rgba(255,255,255,0.35);
  color: var(--text-hi);
}
.btn-ghost:hover { border-color: var(--primary); color: var(--primary); }
.btn-sm { padding: 8px 18px; font-size: 0.8125rem; }

.site-footer {
  border-top: 1px solid var(--line);
  background: var(--bg-elev);
  padding: 56px 0 0;
}
.footer-grid {
  display: grid;
  grid-template-columns: 2fr 1fr 1fr;
  gap: 40px;
  padding-bottom: 40px;
}
.footer-brand p {
  color: var(--text-mid);
  font-size: 0.875rem;
  max-width: 360px;
  margin-top: 12px;
}
.footer-logo {
  font-family: "Noto Serif SC", "Songti SC", "STSong", serif;
  font-size: 1.25rem;
  color: var(--text-hi);
}
.footer-logo span { color: var(--primary); }
.footer-col h4 { font-size: 0.9375rem; color: var(--text-hi); margin-bottom: 16px; }
.footer-col a {
  display: block;
  color: var(--text-mid);
  font-size: 0.875rem;
  padding: 6px 0;
  transition: var(--transition);
}
.footer-col a:hover { color: var(--primary); }
.footer-bottom {
  border-top: 1px solid var(--line);
  padding: 22px 0;
  color: var(--text-low);
  font-size: 0.8125rem;
}

@media (max-width: 1024px) {
  .related-grid { grid-template-columns: repeat(2, 1fr); }
  .footer-grid { grid-template-columns: 1fr 1fr; }
}
@media (max-width: 768px) {
  .nav-row { gap: 20px; }
  .page-banner { padding: 52px 0 36px; }
  .article-wrap { padding: 32px 20px 56px; }
  .related-grid { grid-template-columns: 1fr; }
  .footer-grid { grid-template-columns: 1fr; gap: 32px; }
  .cta-box { padding: 40px 20px; }
}
@media (max-width: 520px) {
  .article-meta { gap: 10px; }
  .top-row { height: 52px; }
  .btn-sm { padding: 6px 14px; font-size: 0.75rem; }
}

/* roulang page: category2 */
:root {
            --bg: #0D100F;
            --bg-elev: #161A18;
            --bg-card: #1A1F1D;
            --primary: #C6A24F;
            --primary-hover: #D9B968;
            --accent: #48A68C;
            --text-hi: #F2EFE9;
            --text-mid: #A9B0AA;
            --text-low: #70766F;
            --line: rgba(255, 255, 255, 0.08);
            --radius-card: 16px;
            --radius-btn: 999px;
            --shadow-card: 0 20px 40px -20px rgba(0, 0, 0, 0.6);
            --font-serif: "Noto Serif SC", "Songti SC", "STSong", serif;
            --font-body: "PingFang SC", "Microsoft YaHei", system-ui, sans-serif;
        }

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

        html {
            scroll-behavior: smooth;
        }

        body {
            background: var(--bg);
            color: var(--text-hi);
            font-family: var(--font-body);
            font-size: 0.9375rem;
            line-height: 1.75;
            -webkit-font-smoothing: antialiased;
        }

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

        a {
            color: inherit;
            text-decoration: none;
        }

        input,
        button {
            font-family: inherit;
            outline: none;
            border: none;
        }

        .container {
            max-width: 1280px;
            margin: 0 auto;
            padding-left: 1.25rem;
            padding-right: 1.25rem;
        }

        @media (min-width: 768px) {
            .container {
                padding-left: 2rem;
                padding-right: 2rem;
            }
        }

        .section {
            padding-top: 3.5rem;
            padding-bottom: 3.5rem;
        }

        @media (min-width: 768px) {
            .section {
                padding-top: 5rem;
                padding-bottom: 5rem;
            }
        }

        .section-label {
            display: inline-flex;
            align-items: center;
            gap: 6px;
            font-size: 12px;
            letter-spacing: 0.08em;
            color: var(--primary);
            border: 1px solid rgba(198, 162, 79, 0.4);
            border-radius: 999px;
            padding: 6px 16px;
            text-transform: uppercase;
        }

        .section-title {
            font-family: var(--font-serif);
            font-size: clamp(1.6rem, 3vw, 2.2rem);
            font-weight: 600;
            line-height: 1.4;
            margin-top: 1.25rem;
        }

        .section-desc {
            color: var(--text-mid);
            font-size: 0.9375rem;
            max-width: 560px;
            margin-top: 0.75rem;
        }

        /* ===== Header ===== */
        .site-header {
            position: sticky;
            top: 0;
            z-index: 50;
            background: rgba(13, 16, 15, 0.88);
            backdrop-filter: blur(14px);
            -webkit-backdrop-filter: blur(14px);
            border-bottom: 1px solid var(--line);
        }

        .header-top {
            height: 52px;
            display: flex;
            align-items: center;
            justify-content: space-between;
            gap: 1rem;
        }

        .brand {
            font-family: var(--font-serif);
            font-size: 1.15rem;
            font-weight: 600;
            color: var(--text-hi);
            white-space: nowrap;
            letter-spacing: 0.02em;
            transition: color 0.3s ease;
        }

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

        .header-search {
            flex: 1;
            max-width: 360px;
            position: relative;
            display: none;
        }

        .header-search input {
            width: 100%;
            height: 40px;
            border-radius: 999px;
            background: var(--bg-card);
            border: 1px solid transparent;
            color: var(--text-hi);
            padding: 0 44px 0 18px;
            font-size: 13px;
            transition: border-color 0.3s ease, box-shadow 0.3s ease;
        }

        .header-search input::placeholder {
            color: var(--text-low);
        }

        .header-search input:focus {
            border-color: var(--primary);
            box-shadow: 0 0 0 3px rgba(198, 162, 79, 0.18);
        }

        .header-search i {
            position: absolute;
            right: 16px;
            top: 50%;
            transform: translateY(-50%);
            color: var(--text-low);
            font-size: 14px;
            pointer-events: none;
        }

        .header-trends {
            display: none;
            align-items: center;
            gap: 12px;
            font-size: 12px;
            color: var(--text-low);
            white-space: nowrap;
        }

        .header-trends a {
            transition: color 0.3s ease;
        }

        .header-trends a:hover {
            color: var(--primary);
        }

        .nav-toggle {
            display: inline-flex;
            align-items: center;
            justify-content: center;
            width: 40px;
            height: 40px;
            border-radius: 12px;
            background: var(--bg-card);
            border: 1px solid var(--line);
            color: var(--text-hi);
            font-size: 16px;
            cursor: pointer;
            transition: border-color 0.3s ease, color 0.3s ease;
        }

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

        .header-nav {
            border-top: 1px solid var(--line);
        }

        .nav-row {
            display: flex;
            align-items: center;
            gap: 4px;
            min-height: 44px;
            overflow-x: auto;
            scrollbar-width: none;
        }

        .nav-row::-webkit-scrollbar {
            display: none;
        }

        .nav-item {
            position: relative;
            display: inline-flex;
            align-items: center;
            height: 100%;
            padding: 0 14px;
            font-size: 14px;
            color: var(--text-mid);
            white-space: nowrap;
            transition: color 0.3s ease;
            min-height: 44px;
        }

        .nav-item::after {
            content: '';
            position: absolute;
            left: 14px;
            right: 14px;
            bottom: 0;
            height: 2px;
            border-radius: 2px 2px 0 0;
            background: var(--primary);
            transform: scaleX(0);
            transform-origin: left;
            transition: transform 0.3s ease;
        }

        .nav-item:hover {
            color: var(--text-hi);
        }

        .nav-item:hover::after,
        .nav-item.active::after {
            transform: scaleX(1);
        }

        .nav-item.active {
            color: var(--primary);
            font-weight: 500;
        }

        .online-status {
            display: inline-flex;
            align-items: center;
            gap: 6px;
            margin-left: auto;
            font-size: 12px;
            color: var(--text-low);
            white-space: nowrap;
            padding: 0 8px;
        }

        .online-status i {
            color: var(--accent);
            font-size: 8px;
            animation: pulse-dot 2s infinite;
        }

        @keyframes pulse-dot {
            0%,
            100% {
                opacity: 1;
            }
            50% {
                opacity: 0.35;
            }
        }

        @media (min-width: 768px) {
            .header-search {
                display: block;
            }
            .header-trends {
                display: flex;
            }
            .nav-toggle {
                display: none;
            }
        }

        @media (max-width: 767px) {
            .header-top {
                height: 56px;
            }
            .brand {
                font-size: 1rem;
            }
            .nav-row {
                display: none;
                flex-direction: column;
                align-items: stretch;
                padding: 8px 0 12px;
                gap: 0;
            }
            .nav-row.open {
                display: flex;
            }
            .nav-item {
                justify-content: flex-start;
                border-bottom: 1px solid var(--line);
                min-height: 48px;
            }
            .nav-item::after {
                display: none;
            }
            .nav-item.active {
                background: rgba(198, 162, 79, 0.08);
                border-radius: 10px;
            }
            .online-status {
                margin: 10px 14px 0;
                padding: 0;
            }
        }

        /* ===== Hero ===== */
        .hero {
            position: relative;
            min-height: 64vh;
            display: flex;
            align-items: center;
            overflow: hidden;
            border-bottom: 1px solid var(--line);
        }

        .hero-bg {
            position: absolute;
            inset: 0;
            background-image: url('/assets/images/backpic/back-1.webp');
            background-size: cover;
            background-position: center;
            animation: kenburns 20s ease-in-out infinite alternate;
        }

        @keyframes kenburns {
            0% {
                transform: scale(1) translateY(0);
            }
            100% {
                transform: scale(1.08) translateY(-10px);
            }
        }

        .hero-overlay {
            position: absolute;
            inset: 0;
            background: linear-gradient(90deg, rgba(13, 16, 15, 0.92) 0%, rgba(13, 16, 15, 0.72) 48%, rgba(13, 16, 15, 0.35) 100%);
        }

        .hero-overlay::before {
            content: '';
            position: absolute;
            inset: 0;
            background: linear-gradient(0deg, rgba(13, 16, 15, 0.9) 0%, transparent 55%);
        }

        .hero-content {
            position: relative;
            z-index: 2;
            padding-top: 4rem;
            padding-bottom: 4rem;
        }

        .hero-badge {
            display: inline-flex;
            align-items: center;
            gap: 8px;
            border: 1px solid rgba(198, 162, 79, 0.5);
            border-radius: 999px;
            padding: 7px 16px;
            font-size: 12px;
            letter-spacing: 0.06em;
            color: var(--primary);
            background: rgba(13, 16, 15, 0.35);
        }

        .hero-badge i {
            font-size: 8px;
            color: var(--accent);
        }

        .hero h1 {
            font-family: var(--font-serif);
            font-size: clamp(2rem, 5vw, 3.4rem);
            font-weight: 200;
            line-height: 1.25;
            margin: 1.25rem 0 1rem;
            color: var(--text-hi);
            max-width: 640px;
        }

        .hero h1 span {
            color: var(--primary);
        }

        .hero-sub {
            font-size: 16px;
            color: var(--text-mid);
            line-height: 1.7;
            max-width: 440px;
            margin-bottom: 1.75rem;
        }

        .hero-metrics {
            display: grid;
            grid-template-columns: repeat(3, auto);
            justify-content: start;
            gap: 0 2.5rem;
            margin-top: 2.5rem;
            padding-top: 1.5rem;
            border-top: 1px solid var(--line);
        }

        .hero-metrics .hm-item {
            font-size: 12px;
            color: var(--text-low);
        }

        .hero-metrics .hm-item strong {
            display: block;
            font-family: var(--font-serif);
            font-size: 18px;
            color: var(--text-hi);
            font-weight: 600;
            font-variant-numeric: tabular-nums;
        }

        /* ===== Buttons ===== */
        .btn {
            display: inline-flex;
            align-items: center;
            justify-content: center;
            gap: 8px;
            border-radius: 999px;
            padding: 14px 30px;
            font-size: 15px;
            font-weight: 600;
            cursor: pointer;
            transition: all 0.3s ease;
            border: 1px solid transparent;
        }

        .btn-primary {
            background: var(--primary);
            color: #0D100F;
        }

        .btn-primary:hover {
            background: var(--primary-hover);
            transform: translateY(-1px);
            box-shadow: 0 12px 28px -12px rgba(198, 162, 79, 0.55);
        }

        .btn-primary:active {
            transform: translateY(1px);
            box-shadow: none;
        }

        .btn-ghost {
            background: transparent;
            color: var(--text-hi);
            border-color: rgba(255, 255, 255, 0.35);
        }

        .btn-ghost:hover {
            border-color: var(--primary);
            color: var(--primary);
            transform: translateY(-1px);
        }

        .btn-ghost:active {
            transform: translateY(1px);
        }

        /* ===== Timeline ===== */
        .guide-layout {
            display: grid;
            gap: 2.5rem;
        }

        @media (min-width: 1024px) {
            .guide-layout {
                grid-template-columns: 1fr 340px;
                align-items: start;
            }
        }

        .guide-timeline {
            position: relative;
            padding-left: 64px;
        }

        .guide-timeline::before {
            content: '';
            position: absolute;
            left: 21px;
            top: 12px;
            bottom: 12px;
            width: 1px;
            background: var(--line);
        }

        .timeline-item {
            position: relative;
            padding-bottom: 2.25rem;
        }

        .timeline-item:last-child {
            padding-bottom: 0;
        }

        .timeline-marker {
            position: absolute;
            left: -64px;
            top: 0;
            width: 44px;
            height: 44px;
            border-radius: 50%;
            border: 1px solid rgba(198, 162, 79, 0.45);
            background: var(--bg);
            display: flex;
            align-items: center;
            justify-content: center;
            font-family: var(--font-serif);
            font-size: 13px;
            color: var(--primary);
            font-variant-numeric: tabular-nums;
            transition: all 0.3s ease;
        }

        .timeline-item:hover .timeline-marker {
            border-color: var(--primary);
            background: rgba(198, 162, 79, 0.12);
            box-shadow: 0 0 22px rgba(198, 162, 79, 0.2);
        }

        .timeline-content {
            background: var(--bg-card);
            border: 1px solid var(--line);
            border-radius: var(--radius-card);
            padding: 1.25rem 1.5rem;
            transition: border-color 0.3s ease, transform 0.3s ease;
        }

        .timeline-item:hover .timeline-content {
            border-color: rgba(198, 162, 79, 0.35);
            transform: translateX(4px);
        }

        .timeline-content h3 {
            font-size: 16px;
            font-weight: 600;
            margin-bottom: 4px;
        }

        .timeline-content p {
            font-size: 14px;
            color: var(--text-mid);
            line-height: 1.7;
        }

        .timeline-content .time-notes {
            display: inline-flex;
            align-items: center;
            gap: 6px;
            margin-top: 10px;
            font-size: 12px;
            color: var(--accent);
        }

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

        .guide-card::after {
            content: '';
            position: absolute;
            left: 0;
            top: 0;
            height: 3px;
            width: 100%;
            background: linear-gradient(90deg, var(--primary), transparent);
        }

        .guide-card h3 {
            font-family: var(--font-serif);
            font-size: 18px;
            margin-bottom: 1rem;
        }

        .guide-card ul {
            list-style: none;
        }

        .guide-card ul li {
            display: flex;
            gap: 10px;
            font-size: 14px;
            color: var(--text-mid);
            padding: 9px 0;
            border-bottom: 1px solid var(--line);
        }

        .guide-card ul li:last-child {
            border-bottom: none;
        }

        .guide-card ul li i {
            color: var(--primary);
            font-size: 13px;
            margin-top: 3px;
        }

        @media (max-width: 767px) {
            .guide-timeline {
                padding-left: 56px;
            }
            .timeline-marker {
                left: -56px;
                width: 40px;
                height: 40px;
                font-size: 12px;
            }
            .guide-timeline::before {
                left: 19px;
            }
        }

        /* ===== Type cards ===== */
        .type-card {
            position: relative;
            border-radius: var(--radius-card);
            overflow: hidden;
            background: var(--bg-card);
            border: 1px solid var(--line);
            display: flex;
            flex-direction: column;
            min-height: 280px;
            transition: border-color 0.35s ease, transform 0.35s ease, box-shadow 0.35s ease;
        }

        .type-card:hover {
            transform: translateY(-4px);
            border-color: rgba(198, 162, 79, 0.35);
            box-shadow: var(--shadow-card);
        }

        .type-card .type-img {
            height: 170px;
            overflow: hidden;
            position: relative;
        }

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

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

        .type-card .type-img::after {
            content: '';
            position: absolute;
            inset: 0;
            background: linear-gradient(0deg, rgba(13, 16, 15, 0.55), transparent 60%);
        }

        .type-card .type-tag {
            position: absolute;
            left: 16px;
            bottom: 14px;
            z-index: 2;
            background: var(--primary);
            color: #0D100F;
            font-size: 12px;
            font-weight: 600;
            padding: 5px 14px;
            border-radius: 999px;
        }

        .type-card .type-body {
            padding: 1.25rem 1.5rem 1.5rem;
            flex: 1;
            display: flex;
            flex-direction: column;
        }

        .type-card .type-body h3 {
            font-size: 17px;
            font-weight: 600;
            margin-bottom: 6px;
        }

        .type-card .type-body p {
            font-size: 14px;
            color: var(--text-mid);
            line-height: 1.7;
            flex: 1;
        }

        .type-card .type-link {
            display: inline-flex;
            align-items: center;
            gap: 6px;
            margin-top: 14px;
            font-size: 14px;
            color: var(--primary);
            transition: gap 0.3s ease, color 0.3s ease;
        }

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

        .type-card.featured .type-img {
            height: 220px;
        }

        /* ===== Prepare ===== */
        .prepare-wrap {
            display: grid;
            gap: 2rem;
            align-items: center;
        }

        @media (min-width: 1024px) {
            .prepare-wrap {
                grid-template-columns: 1fr 1fr;
            }
        }

        .prepare-list {
            background: var(--bg-card);
            border: 1px solid var(--line);
            border-radius: var(--radius-card);
            padding: 1.75rem 2rem;
        }

        .prepare-list h3 {
            font-family: var(--font-serif);
            font-size: 18px;
            margin-bottom: 1rem;
        }

        .prepare-list ul {
            list-style: none;
        }

        .prepare-list ul li {
            display: flex;
            align-items: flex-start;
            gap: 12px;
            font-size: 14px;
            color: var(--text-mid);
            padding: 10px 0;
            border-bottom: 1px solid var(--line);
        }

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

        .prepare-list ul li i {
            color: var(--accent);
            font-size: 14px;
            margin-top: 4px;
        }

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

        .metric-card {
            background: var(--bg-elev);
            border: 1px solid var(--line);
            border-radius: var(--radius-card);
            padding: 1.5rem;
            text-align: center;
            transition: border-color 0.3s ease, transform 0.3s ease;
        }

        .metric-card:hover {
            border-color: rgba(198, 162, 79, 0.3);
            transform: translateY(-2px);
        }

        .metric-card .num {
            font-family: var(--font-serif);
            font-size: 30px;
            font-weight: 700;
            color: var(--primary);
            font-variant-numeric: tabular-nums;
        }

        .metric-card .accent-num {
            color: var(--accent);
        }

        .metric-card .label {
            font-size: 13px;
            color: var(--text-mid);
            margin-top: 4px;
        }

        /* ===== News / dynamic ===== */
        .dynamic-card {
            border-radius: var(--radius-card);
            background: var(--bg-card);
            border: 1px solid var(--line);
            padding: 1.75rem;
            display: flex;
            flex-direction: column;
            min-height: 220px;
            transition: border-color 0.3s ease, transform 0.3s ease;
        }

        .dynamic-card:hover {
            border-color: rgba(198, 162, 79, 0.35);
            transform: translateY(-4px);
        }

        .dynamic-card .dc-icon {
            width: 44px;
            height: 44px;
            border-radius: 12px;
            background: rgba(198, 162, 79, 0.12);
            border: 1px solid rgba(198, 162, 79, 0.3);
            display: flex;
            align-items: center;
            justify-content: center;
            color: var(--primary);
            font-size: 18px;
            margin-bottom: 1rem;
        }

        .dynamic-card h3 {
            font-size: 17px;
            font-weight: 600;
            margin-bottom: 6px;
        }

        .dynamic-card p {
            font-size: 14px;
            color: var(--text-mid);
            line-height: 1.7;
            flex: 1;
        }

        .dynamic-card .dc-meta {
            margin-top: 16px;
            font-size: 13px;
            color: var(--text-low);
            display: flex;
            gap: 10px;
            align-items: center;
        }

        .dynamic-card .dc-meta span {
            display: inline-flex;
            align-items: center;
            gap: 6px;
        }

        .dynamic-card .dc-meta i {
            color: var(--primary);
        }

        /* ===== FAQ ===== */
        .faq-wrap {
            max-width: 820px;
            margin: 0 auto;
        }

        .faq-item {
            border-bottom: 1px solid var(--line);
        }

        .faq-item:first-child {
            border-top: 1px solid var(--line);
        }

        .faq-question {
            width: 100%;
            display: flex;
            align-items: center;
            justify-content: space-between;
            gap: 16px;
            background: transparent;
            color: var(--text-hi);
            font-size: 16px;
            font-weight: 500;
            padding: 20px 4px;
            cursor: pointer;
            text-align: left;
            border: none;
            transition: color 0.3s ease;
        }

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

        .faq-question .faq-icon {
            flex-shrink: 0;
            width: 28px;
            height: 28px;
            border-radius: 50%;
            border: 1px solid var(--line);
            display: inline-flex;
            align-items: center;
            justify-content: center;
            font-size: 14px;
            color: var(--text-low);
            transition: all 0.3s ease;
        }

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

        .faq-item.active .faq-icon {
            border-color: var(--primary);
            color: var(--primary);
            transform: rotate(45deg);
        }

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

        .faq-answer-inner {
            padding: 0 4px 20px;
            font-size: 14px;
            color: var(--text-mid);
            line-height: 1.75;
            max-width: 720px;
        }

        /* ===== CTA ===== */
        .cta-section {
            position: relative;
            border-top: 1px solid var(--line);
            border-bottom: 1px solid var(--line);
            overflow: hidden;
        }

        .cta-box {
            position: relative;
            border-radius: 20px;
            border: 1px solid rgba(198, 162, 79, 0.35);
            background: linear-gradient(135deg, rgba(198, 162, 79, 0.08), rgba(13, 16, 15, 0.4)), var(--bg-card);
            padding: 3rem 2rem;
            text-align: center;
            overflow: hidden;
        }

        .cta-box::before {
            content: '';
            position: absolute;
            width: 240px;
            height: 240px;
            border-radius: 50%;
            background: rgba(198, 162, 79, 0.14);
            filter: blur(60px);
            top: -80px;
            right: -60px;
        }

        .cta-box h2 {
            font-family: var(--font-serif);
            font-size: clamp(1.6rem, 3vw, 2.2rem);
            font-weight: 600;
            margin-bottom: 12px;
        }

        .cta-box p {
            color: var(--text-mid);
            max-width: 500px;
            margin: 0 auto 1.75rem;
            font-size: 15px;
        }

        /* ===== Footer ===== */
        .site-footer {
            background: var(--bg-elev);
            border-top: 1px solid var(--line);
            padding-top: 3rem;
        }

        .footer-grid {
            display: grid;
            gap: 2.5rem;
            padding-bottom: 2.5rem;
        }

        @media (min-width: 768px) {
            .footer-grid {
                grid-template-columns: 1.6fr 1fr 1fr;
            }
        }

        .footer-logo {
            font-family: var(--font-serif);
            font-size: 1.2rem;
            font-weight: 600;
            color: var(--text-hi);
        }

        .footer-brand p {
            font-size: 14px;
            color: var(--text-mid);
            margin-top: 12px;
            max-width: 360px;
            line-height: 1.75;
        }

        .footer-col h4 {
            font-size: 14px;
            font-weight: 600;
            color: var(--text-hi);
            margin-bottom: 14px;
        }

        .footer-col a {
            display: block;
            font-size: 14px;
            color: var(--text-mid);
            padding: 6px 0;
            transition: color 0.3s ease, padding-left 0.3s ease;
        }

        .footer-col a:hover {
            color: var(--primary);
            padding-left: 6px;
        }

        .footer-bottom {
            border-top: 1px solid var(--line);
            padding: 1.25rem 0;
            text-align: center;
            font-size: 13px;
            color: var(--text-low);
        }

        /* ===== Reveal ===== */
        .reveal {
            opacity: 0;
            transform: translateY(20px);
            transition: opacity 0.5s ease, transform 0.5s ease;
        }

        .reveal.visible {
            opacity: 1;
            transform: translateY(0);
        }

        .reveal-delay-1 {
            transition-delay: 0.1s;
        }
        .reveal-delay-2 {
            transition-delay: 0.2s;
        }
        .reveal-delay-3 {
            transition-delay: 0.3s;
        }
        .reveal-delay-4 {
            transition-delay: 0.4s;
        }

        @media (max-width: 520px) {
            .hero-metrics {
                grid-template-columns: repeat(3, 1fr);
                gap: 0.5rem;
            }
            .metrics-grid {
                grid-template-columns: 1fr 1fr;
            }
            .cta-box {
                padding: 2.25rem 1.25rem;
            }
            .btn {
                width: 100%;
            }
        }

/* roulang page: category3 */
:root {
            --bg: #0D100F;
            --bg-elev: #161A18;
            --bg-card: #1A1F1D;
            --primary: #C6A24F;
            --primary-hover: #D9B968;
            --accent: #48A68C;
            --text-hi: #F2EFE9;
            --text-mid: #A9B0AA;
            --text-low: #70766F;
            --line: rgba(255, 255, 255, 0.08);
            --radius: 16px;
            --radius-sm: 12px;
            --radius-full: 999px;
        }
        * {
            box-sizing: border-box;
        }
        html {
            scroll-behavior: smooth;
        }
        body {
            margin: 0;
            background: var(--bg);
            color: var(--text-hi);
            font-family: "PingFang SC", "Microsoft YaHei", system-ui, sans-serif;
            line-height: 1.75;
            -webkit-font-smoothing: antialiased;
        }
        a {
            color: inherit;
            text-decoration: none;
            transition: color .3s;
        }
        img {
            max-width: 100%;
            display: block;
        }
        button,
        input {
            font-family: inherit;
        }
        .serif-display {
            font-family: "Noto Serif SC", "Songti SC", STSong, serif;
            font-weight: 300;
            letter-spacing: .04em;
        }
        .text-gold {
            color: var(--primary);
        }
        .text-mid {
            color: var(--text-mid);
        }
        .text-low {
            color: var(--text-low);
        }
        .container {
            max-width: 1280px;
            margin-inline: auto;
            padding-inline: 1.25rem;
        }
        @media (min-width: 768px) {
            .container {
                padding-inline: 2rem;
            }
        }
        .section-tag {
            display: inline-flex;
            align-items: center;
            gap: .5rem;
            padding: .3rem 1rem;
            border: 1px solid rgba(198, 162, 79, .4);
            border-radius: 999px;
            color: var(--primary);
            font-size: .75rem;
            letter-spacing: .12em;
            background: rgba(198, 162, 79, .06);
        }
        .section-title {
            font-size: clamp(1.5rem, 3vw, 2rem);
            font-weight: 600;
            color: var(--text-hi);
            line-height: 1.3;
            margin-top: 1rem;
        }
        .section-desc {
            color: var(--text-mid);
            font-size: .9375rem;
            max-width: 640px;
        }

        /* Header / Nav */
        .site-header {
            position: sticky;
            top: 0;
            z-index: 100;
            background: rgba(13, 16, 15, .92);
            backdrop-filter: blur(12px);
            border-bottom: 1px solid var(--line);
        }
        .brand-row {
            display: flex;
            align-items: center;
            height: 52px;
            gap: 1.25rem;
        }
        .brand-logo {
            font-family: "Noto Serif SC", "Songti SC", STSong, serif;
            font-size: 1.15rem;
            letter-spacing: .06em;
            color: var(--text-hi);
            white-space: nowrap;
            font-weight: 600;
            display: flex;
            align-items: center;
            gap: .3rem;
        }
        .brand-logo .logo-accent {
            color: var(--primary);
        }
        .search-box {
            flex: 1;
            max-width: 360px;
            margin-left: auto;
            display: flex;
            align-items: center;
            height: 38px;
            background: var(--bg-card);
            border: 1px solid transparent;
            border-radius: 999px;
            padding: 0 .9rem;
            gap: .5rem;
            transition: border-color .3s, box-shadow .3s;
        }
        .search-box:focus-within {
            border-color: var(--primary);
            box-shadow: 0 0 0 3px rgba(198, 162, 79, .2);
        }
        .search-box svg {
            width: 16px;
            height: 16px;
            color: var(--text-low);
            flex-shrink: 0;
        }
        .search-box input {
            background: transparent;
            border: none;
            outline: none;
            color: var(--text-hi);
            font-size: .875rem;
            width: 100%;
        }
        .search-box input::placeholder {
            color: var(--text-low);
        }
        .trending-tags {
            display: flex;
            gap: .9rem;
            align-items: center;
        }
        .trending-tags a {
            font-size: .75rem;
            color: var(--text-low);
            transition: color .3s;
        }
        .trending-tags a:hover,
        .trending-tags a.active {
            color: var(--primary);
        }
        .menu-toggle {
            display: none;
            width: 36px;
            height: 36px;
            align-items: center;
            justify-content: center;
            background: transparent;
            border: 1px solid var(--line);
            border-radius: 10px;
            color: var(--text-hi);
            cursor: pointer;
            font-size: 1rem;
            flex-shrink: 0;
        }
        .header-nav {
            border-top: 1px solid var(--line);
        }
        .nav-row {
            display: flex;
            align-items: center;
            gap: .4rem;
            min-height: 44px;
            overflow-x: auto;
            scrollbar-width: none;
        }
        .nav-row::-webkit-scrollbar {
            display: none;
        }
        .nav-item {
            display: inline-block;
            padding: .5rem .85rem;
            font-size: .9rem;
            color: var(--text-mid);
            border-radius: 8px;
            white-space: nowrap;
            position: relative;
            transition: background .3s, color .3s;
        }
        .nav-item:hover {
            color: var(--text-hi);
            background: rgba(255, 255, 255, .04);
        }
        .nav-item.active {
            color: var(--primary);
        }
        .nav-item.active::after {
            content: '';
            position: absolute;
            left: .85rem;
            right: .85rem;
            bottom: 0;
            height: 2px;
            background: var(--primary);
            border-radius: 2px;
        }
        .online-status {
            margin-left: auto;
            display: inline-flex;
            align-items: center;
            gap: .45rem;
            font-size: .75rem;
            color: var(--text-mid);
            white-space: nowrap;
        }
        .online-status i {
            color: var(--accent);
            font-size: .55rem;
            animation: pulse-dot 2s infinite ease-in-out;
        }
        @keyframes pulse-dot {
            0%,
            100% {
                opacity: 1;
            }
            50% {
                opacity: .4;
            }
        }
        @media (max-width: 820px) {
            .brand-row {
                height: 56px;
                gap: .75rem;
            }
            .search-box {
                max-width: none;
            }
            .trending-tags {
                display: none;
            }
            .menu-toggle {
                display: flex;
            }
            .header-nav {
                display: none;
                position: absolute;
                top: 100%;
                left: 0;
                right: 0;
                background: rgba(13, 16, 15, .97);
                border-bottom: 1px solid var(--line);
                box-shadow: 0 20px 40px rgba(0, 0, 0, .5);
            }
            .header-nav.open {
                display: block;
            }
            .nav-row {
                flex-direction: column;
                align-items: stretch;
                padding: .75rem 1rem;
                overflow: visible;
                gap: .25rem;
            }
            .nav-item {
                padding: .8rem .75rem;
            }
            .nav-item.active::after {
                display: none;
            }
            .nav-item.active {
                background: rgba(198, 162, 79, .1);
            }
            .online-status {
                margin-left: 0;
                padding: .8rem .75rem;
            }
        }

        /* Hero */
        .hero-section {
            position: relative;
            min-height: 58vh;
            display: flex;
            align-items: center;
            padding: 4rem 0;
            background: url('/assets/images/backpic/back-1.webp') center/cover no-repeat;
            isolation: isolate;
            overflow: hidden;
        }
        .hero-section::before {
            content: '';
            position: absolute;
            inset: 0;
            background: linear-gradient(to right, rgba(13, 16, 15, .9) 0%, rgba(13, 16, 15, .65) 50%, rgba(13, 16, 15, .45) 100%);
            z-index: -1;
        }
        .hero-tag {
            display: inline-flex;
            align-items: center;
            gap: .5rem;
            border: 1px solid rgba(198, 162, 79, .5);
            padding: .3rem 1rem;
            border-radius: 999px;
            color: var(--primary);
            font-size: .8rem;
            letter-spacing: .1em;
            background: rgba(13, 16, 15, .4);
        }
        .hero-title {
            font-size: clamp(2.2rem, 5vw, 3.6rem);
            font-weight: 300;
            line-height: 1.2;
            margin-top: 1.25rem;
            color: var(--text-hi);
        }
        .hero-subtitle {
            font-size: 1rem;
            color: var(--text-mid);
            max-width: 520px;
            margin-top: 1rem;
            line-height: 1.7;
        }
        .hero-ctas {
            display: flex;
            flex-wrap: wrap;
            gap: .9rem;
            margin-top: 2rem;
        }
        .btn-primary {
            display: inline-flex;
            align-items: center;
            justify-content: center;
            background: var(--primary);
            color: #0D100F;
            font-weight: 600;
            border-radius: 999px;
            padding: .75rem 1.75rem;
            border: none;
            cursor: pointer;
            font-size: .95rem;
            transition: all .3s ease;
        }
        .btn-primary:hover {
            background: var(--primary-hover);
            transform: translateY(-1px);
            box-shadow: 0 10px 20px -10px rgba(198, 162, 79, .6);
        }
        .btn-primary:active {
            transform: translateY(0);
        }
        .btn-ghost {
            display: inline-flex;
            align-items: center;
            justify-content: center;
            background: transparent;
            color: var(--text-hi);
            border: 1px solid rgba(255, 255, 255, .35);
            border-radius: 999px;
            padding: .75rem 1.75rem;
            font-weight: 500;
            cursor: pointer;
            font-size: .95rem;
            transition: all .3s ease;
        }
        .btn-ghost:hover {
            border-color: var(--primary);
            color: var(--primary);
        }
        .hero-metrics {
            display: flex;
            flex-wrap: wrap;
            gap: 2rem;
            margin-top: 3rem;
            padding-top: 1.5rem;
            border-top: 1px solid var(--line);
            max-width: 640px;
        }
        .metric-item {
            display: flex;
            flex-direction: column;
            gap: .15rem;
        }
        .metric-value {
            font-family: "Noto Serif SC", serif;
            font-size: 1.1rem;
            color: var(--primary);
            font-weight: 600;
        }
        .metric-label {
            font-size: .75rem;
            color: var(--text-low);
        }

        /* Filter Tags */
        .filter-bar {
            display: flex;
            flex-wrap: wrap;
            gap: .6rem;
            align-items: center;
        }
        .filter-chip {
            display: inline-block;
            padding: .45rem 1.1rem;
            border-radius: 999px;
            border: 1px solid var(--line);
            color: var(--text-mid);
            font-size: .85rem;
            background: transparent;
            cursor: pointer;
            transition: all .3s ease;
            white-space: nowrap;
        }
        .filter-chip:hover {
            border-color: rgba(198, 162, 79, .5);
            color: var(--primary);
        }
        .filter-chip.active {
            background: var(--primary);
            color: #0D100F;
            border-color: var(--primary);
            font-weight: 600;
        }

        /* Feature Cards */
        .feature-card {
            background: var(--bg-card);
            border: 1px solid var(--line);
            border-radius: var(--radius);
            overflow: hidden;
            transition: all .3s ease;
            height: 100%;
            display: flex;
            flex-direction: column;
        }
        .feature-card:hover {
            transform: translateY(-4px);
            border-color: rgba(198, 162, 79, .5);
            box-shadow: 0 20px 40px -20px rgba(0, 0, 0, .6);
        }
        .feature-card-img {
            position: relative;
            overflow: hidden;
            aspect-ratio: 16 / 9;
            background: var(--bg-elev);
        }
        .feature-card-img img {
            width: 100%;
            height: 100%;
            object-fit: cover;
            transition: transform .5s ease;
        }
        .feature-card:hover .feature-card-img img {
            transform: scale(1.03);
        }
        .feature-card-body {
            padding: 1.5rem;
            display: flex;
            flex-direction: column;
            flex: 1;
            gap: .6rem;
        }
        .feature-label {
            display: inline-flex;
            align-self: flex-start;
            padding: .2rem .7rem;
            border-radius: 999px;
            background: rgba(72, 166, 140, .15);
            color: var(--accent);
            font-size: .75rem;
            font-weight: 500;
        }
        .feature-card-title {
            font-size: 1.2rem;
            font-weight: 600;
            color: var(--text-hi);
        }
        .feature-card-desc {
            font-size: .875rem;
            color: var(--text-mid);
            line-height: 1.7;
        }
        .feature-data {
            font-family: "Noto Serif SC", serif;
            font-size: 1.9rem;
            color: var(--primary);
            font-weight: 600;
            display: flex;
            align-items: baseline;
            gap: .35rem;
            margin-top: auto;
            font-variant-numeric: tabular-nums;
        }
        .feature-data small {
            font-size: .8rem;
            color: var(--text-low);
            font-weight: 400;
        }
        .feature-link {
            display: inline-flex;
            align-items: center;
            gap: .35rem;
            font-size: .85rem;
            color: var(--primary);
            font-weight: 500;
            transition: gap .3s ease;
        }
        .feature-link:hover {
            gap: .6rem;
        }

        /* Process / Timeline */
        .process-steps {
            display: grid;
            grid-template-columns: repeat(4, 1fr);
            gap: 1.5rem;
            margin-top: 2.5rem;
            position: relative;
        }
        .process-item {
            position: relative;
            padding-top: 1rem;
        }
        .process-item::before {
            content: '';
            position: absolute;
            top: 0;
            left: 0;
            right: 0;
            height: 1px;
            background: var(--line);
        }
        .process-num {
            font-family: "Noto Serif SC", serif;
            font-size: 2.2rem;
            color: rgba(198, 162, 79, .55);
            line-height: 1;
            transition: color .3s;
        }
        .process-item:hover .process-num {
            color: var(--primary);
        }
        .process-title {
            font-size: 1.05rem;
            font-weight: 600;
            color: var(--text-hi);
            margin-top: .8rem;
        }
        .process-desc {
            font-size: .85rem;
            color: var(--text-mid);
            line-height: 1.7;
            margin-top: .4rem;
        }
        @media (max-width: 900px) {
            .process-steps {
                grid-template-columns: 1fr 1fr;
            }
        }
        @media (max-width: 540px) {
            .process-steps {
                grid-template-columns: 1fr;
            }
        }

        /* News Cards */
        .news-card {
            background: var(--bg-card);
            border: 1px solid var(--line);
            border-radius: var(--radius);
            overflow: hidden;
            transition: all .3s ease;
            height: 100%;
            display: flex;
            flex-direction: column;
        }
        .news-card:hover {
            transform: translateY(-4px);
            border-color: rgba(198, 162, 79, .4);
            box-shadow: 0 20px 40px -20px rgba(0, 0, 0, .6);
        }
        .news-card-img {
            aspect-ratio: 16 / 9;
            overflow: hidden;
            background: var(--bg-elev);
            position: relative;
        }
        .news-card-img img {
            width: 100%;
            height: 100%;
            object-fit: cover;
            transition: transform .5s;
        }
        .news-card:hover .news-card-img img {
            transform: scale(1.04);
        }
        .news-card-body {
            padding: 1.25rem;
            display: flex;
            flex-direction: column;
            flex: 1;
            gap: .5rem;
        }
        .news-card-tag {
            align-self: flex-start;
            font-size: .7rem;
            padding: .2rem .65rem;
            border-radius: 999px;
            background: rgba(198, 162, 79, .15);
            color: var(--primary);
        }
        .news-card-title {
            font-size: 1rem;
            font-weight: 600;
            color: var(--text-hi);
            line-height: 1.5;
            display: -webkit-box;
            -webkit-line-clamp: 2;
            -webkit-box-orient: vertical;
            overflow: hidden;
        }
        .news-card-excerpt {
            font-size: .85rem;
            color: var(--text-mid);
            display: -webkit-box;
            -webkit-line-clamp: 2;
            -webkit-box-orient: vertical;
            overflow: hidden;
        }
        .news-card-meta {
            margin-top: auto;
            display: flex;
            justify-content: space-between;
            align-items: center;
            font-size: .8rem;
            color: var(--text-low);
        }
        .news-card-meta a {
            color: var(--primary);
        }
        .news-card-meta a:hover {
            color: var(--primary-hover);
        }

        /* FAQ */
        .faq-list {
            max-width: 860px;
            margin-top: 1.5rem;
        }
        .faq-item {
            border-bottom: 1px solid var(--line);
        }
        .faq-question {
            display: flex;
            justify-content: space-between;
            align-items: center;
            width: 100%;
            padding: 1.2rem 0;
            background: transparent;
            border: none;
            color: var(--text-hi);
            font-size: 1rem;
            font-weight: 500;
            cursor: pointer;
            text-align: left;
            transition: color .3s;
        }
        .faq-question .faq-icon {
            color: var(--primary);
            transition: transform .35s ease;
            flex-shrink: 0;
            font-size: 1.1rem;
        }
        .faq-item.active .faq-question {
            color: var(--primary);
        }
        .faq-item.active .faq-question .faq-icon {
            transform: rotate(45deg);
        }
        .faq-answer {
            max-height: 0;
            overflow: hidden;
            transition: max-height .4s ease, padding .4s ease;
            font-size: .875rem;
            color: var(--text-mid);
            line-height: 1.75;
        }
        .faq-item.active .faq-answer {
            max-height: 320px;
            padding-bottom: 1.25rem;
        }

        /* CTA */
        .cta-section {
            background:
                linear-gradient(135deg, rgba(198, 162, 79, .14), transparent 55%),
                var(--bg-elev);
            border: 1px solid rgba(198, 162, 79, .3);
            border-radius: 24px;
            overflow: hidden;
            position: relative;
        }
        .cta-section::after {
            content: '';
            position: absolute;
            width: 300px;
            height: 300px;
            border-radius: 50%;
            background: rgba(198, 162, 79, .08);
            top: -100px;
            right: -80px;
            pointer-events: none;
        }

        /* Footer */
        .site-footer {
            background: var(--bg-elev);
            border-top: 1px solid var(--line);
            padding-top: 3rem;
            margin-top: 4rem;
        }
        .footer-grid {
            display: grid;
            grid-template-columns: 1.4fr 1fr 1fr;
            gap: 2.5rem;
            padding-bottom: 2rem;
        }
        .footer-logo {
            font-family: "Noto Serif SC", serif;
            font-size: 1.2rem;
            font-weight: 600;
            color: var(--text-hi);
            letter-spacing: .04em;
        }
        .footer-brand p {
            font-size: .85rem;
            color: var(--text-low);
            margin-top: .8rem;
            max-width: 360px;
            line-height: 1.7;
        }
        .footer-col h4 {
            font-size: .9rem;
            font-weight: 600;
            color: var(--text-hi);
            margin-bottom: .8rem;
        }
        .footer-col a {
            display: block;
            font-size: .85rem;
            color: var(--text-mid);
            padding: .28rem 0;
            transition: color .3s;
        }
        .footer-col a:hover {
            color: var(--primary);
        }
        .footer-bottom {
            border-top: 1px solid var(--line);
            padding: 1.2rem 0;
            text-align: center;
        }
        .footer-bottom p {
            font-size: .75rem;
            color: var(--text-low);
            margin: 0;
        }
        @media (max-width: 820px) {
            .footer-grid {
                grid-template-columns: 1fr 1fr;
            }
            .footer-brand {
                grid-column: 1 / -1;
            }
        }
        @media (max-width: 520px) {
            .footer-grid {
                grid-template-columns: 1fr;
            }
        }

        /* Reveal animation */
        .reveal {
            opacity: 0;
            transform: translateY(20px);
            transition: opacity .6s ease, transform .6s ease;
        }
        .reveal.visible {
            opacity: 1;
            transform: none;
        }
        .reveal-delay-1 {
            transition-delay: .1s;
        }
        .reveal-delay-2 {
            transition-delay: .2s;
        }
        .reveal-delay-3 {
            transition-delay: .3s;
        }

        /* Focus visible accessibility */
        a:focus-visible,
        button:focus-visible,
        input:focus-visible {
            outline: 2px solid var(--primary);
            outline-offset: 3px;
            border-radius: 4px;
        }