/* roulang page: index */
:root {
            --color-primary: #1B1815;
            --color-primary-light: #2A2621;
            --color-accent: #C98A3D;
            --color-accent-hover: #B4782F;
            --color-accent-light: #E8D3B8;
            --color-emphasis: #4F6F6A;
            --color-bg: #F5F1E8;
            --color-bg-light: #FBF8F1;
            --color-bg-dark: #1E1C19;
            --color-text: #26221E;
            --color-text-secondary: #6C645B;
            --color-border: #E4DCCE;
            --color-border-dark: rgba(255,255,255,0.12);
            --color-success: #7C8B5A;
            --color-warning: #A85C4A;
            --radius-sm: 8px;
            --radius-md: 14px;
            --radius-lg: 20px;
            --shadow-sm: 0 4px 14px rgba(27,24,21,0.04);
            --shadow-md: 0 8px 24px rgba(27,24,21,0.06);
            --shadow-lg: 0 14px 34px rgba(27,24,21,0.12);
            --shadow-xl: 0 22px 48px rgba(27,24,21,0.16);
            --font-family: 'PingFang SC', 'Microsoft YaHei', 'Noto Sans CJK SC', system-ui, -apple-system, sans-serif;
            --font-numeric: 'DIN Alternate', system-ui, 'SF Mono', monospace;
            --section-padding: 72px;
            --section-padding-mobile: 36px;
            --transition-fast: 0.18s ease;
            --transition-base: 0.28s ease;
            --transition-slow: 0.42s cubic-bezier(0.22, 1, 0.36, 1);
        }

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

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

        body {
            margin: 0;
            font-family: var(--font-family);
            font-size: 16px;
            line-height: 1.78;
            color: var(--color-text);
            background-color: var(--color-bg);
            -webkit-font-smoothing: antialiased;
            -moz-osx-font-smoothing: grayscale;
            overflow-x: hidden;
        }

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

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

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

        a:focus-visible,
        button:focus-visible,
        input:focus-visible,
        select:focus-visible,
        textarea:focus-visible {
            outline: 2px solid var(--color-accent);
            outline-offset: 2px;
            border-radius: 4px;
        }

        h1, h2, h3, h4, h5, h6 {
            margin: 0 0 1rem;
            font-weight: 700;
            line-height: 1.3;
            color: var(--color-primary);
        }

        h1 {
            font-size: 34px;
            letter-spacing: -0.01em;
        }

        h2 {
            font-size: 27px;
            letter-spacing: -0.005em;
        }

        h3 {
            font-size: 20px;
            font-weight: 600;
            letter-spacing: -0.003em;
        }

        p {
            margin: 0 0 1.25rem;
            color: var(--color-text);
        }

        .container {
            max-width: 1200px;
            margin: 0 auto;
            padding-left: 24px;
            padding-right: 24px;
        }

        .container-wide {
            max-width: 1320px;
            margin: 0 auto;
            padding-left: 24px;
            padding-right: 24px;
        }

        section {
            padding-top: var(--section-padding);
            padding-bottom: var(--section-padding);
            position: relative;
        }

        .section-label {
            display: inline-flex;
            align-items: center;
            gap: 8px;
            font-size: 13px;
            font-weight: 600;
            letter-spacing: 0.08em;
            text-transform: uppercase;
            color: var(--color-accent);
            margin-bottom: 12px;
        }

        .section-label::before {
            content: '';
            display: inline-block;
            width: 20px;
            height: 3px;
            background: var(--color-accent);
            border-radius: 2px;
        }

        .section-title {
            font-size: 27px;
            font-weight: 700;
            color: var(--color-primary);
            margin-bottom: 16px;
            line-height: 1.35;
        }

        .section-subtitle {
            font-size: 16px;
            color: var(--color-text-secondary);
            line-height: 1.85;
            margin-bottom: 32px;
            max-width: 680px;
        }

        /* ============ NAVIGATION ============ */
        .site-header {
            background: var(--color-bg-light);
            border-bottom: 1px solid var(--color-border);
            padding: 0;
            position: sticky;
            top: 0;
            z-index: 1050;
            box-shadow: 0 1px 10px rgba(27,24,21,0.04);
        }

        .site-header .header-inner {
            display: flex;
            align-items: center;
            justify-content: space-between;
            gap: 20px;
            padding: 12px 24px;
            max-width: 1200px;
            margin: 0 auto;
            flex-wrap: nowrap;
        }

        .site-header .brand {
            display: flex;
            align-items: center;
            gap: 10px;
            font-size: 19px;
            font-weight: 700;
            color: var(--color-primary);
            white-space: nowrap;
            text-decoration: none;
            letter-spacing: -0.01em;
        }

        .site-header .brand:hover {
            color: var(--color-accent);
        }

        .brand-icon {
            width: 34px;
            height: 34px;
            border-radius: 8px;
            background: var(--color-primary);
            color: var(--color-accent);
            display: flex;
            align-items: center;
            justify-content: center;
            font-size: 16px;
            flex-shrink: 0;
        }

        .nav-chips {
            display: flex;
            align-items: center;
            gap: 6px;
            overflow-x: auto;
            scrollbar-width: none;
            -ms-overflow-style: none;
            flex-shrink: 1;
            padding: 4px 0;
        }

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

        .nav-chip {
            display: inline-flex;
            align-items: center;
            padding: 8px 18px;
            border-radius: 24px;
            font-size: 14px;
            font-weight: 500;
            color: var(--color-primary);
            background: transparent;
            border: 1.5px solid var(--color-primary);
            white-space: nowrap;
            text-decoration: none;
            transition: all var(--transition-base);
            cursor: pointer;
            flex-shrink: 0;
        }

        .nav-chip:hover {
            background: var(--color-primary);
            color: var(--color-bg-light);
            border-color: var(--color-primary);
            transform: translateY(-1px);
        }

        .nav-chip.active {
            background: var(--color-accent);
            color: #fff;
            border-color: var(--color-accent);
            box-shadow: 0 4px 12px rgba(201,138,61,0.3);
        }

        .nav-chip.active:hover {
            background: var(--color-accent-hover);
            color: #fff;
            border-color: var(--color-accent-hover);
        }

        .header-cta {
            display: inline-flex;
            align-items: center;
            gap: 6px;
            padding: 10px 22px;
            border-radius: 24px;
            font-size: 14px;
            font-weight: 600;
            background: var(--color-accent);
            color: #fff;
            border: none;
            white-space: nowrap;
            text-decoration: none;
            transition: all var(--transition-base);
            flex-shrink: 0;
        }

        .header-cta:hover {
            background: var(--color-accent-hover);
            color: #fff;
            transform: translateY(-1px);
            box-shadow: 0 6px 18px rgba(201,138,61,0.35);
        }

        .header-cta:active {
            transform: translateY(0);
            box-shadow: inset 0 2px 4px rgba(0,0,0,0.15);
        }

        /* Mobile nav toggle */
        .nav-toggle-mobile {
            display: none;
            background: none;
            border: 1.5px solid var(--color-primary);
            border-radius: 8px;
            padding: 8px 12px;
            font-size: 18px;
            color: var(--color-primary);
            cursor: pointer;
            transition: all var(--transition-fast);
            flex-shrink: 0;
        }

        .nav-toggle-mobile:hover {
            background: var(--color-primary);
            color: var(--color-bg-light);
        }

        /* ============ HERO / METRIC BOARD ============ */
        .hero-metric-board {
            background: var(--color-bg-dark);
            background-image: linear-gradient(rgba(27,24,21,0.88), rgba(27,24,21,0.92)), url('/assets/images/46aba1eb9a3d1c3d.jpg');
            background-size: cover;
            background-position: center center;
            padding: 72px 0 64px;
            color: #fff;
            position: relative;
            overflow: hidden;
        }

        .hero-metric-board::after {
            content: '';
            position: absolute;
            top: 0;
            left: 0;
            right: 0;
            bottom: 0;
            background: radial-gradient(ellipse at 30% 40%, rgba(201,138,61,0.12) 0%, transparent 60%);
            pointer-events: none;
        }

        .hero-metric-board .container {
            position: relative;
            z-index: 2;
        }

        .hero-metric-board h1 {
            color: #fff;
            font-size: 36px;
            font-weight: 700;
            line-height: 1.25;
            margin-bottom: 18px;
            letter-spacing: -0.015em;
            max-width: 720px;
        }

        .hero-metric-board .hero-sub {
            font-size: 17px;
            color: rgba(255,255,255,0.72);
            line-height: 1.85;
            margin-bottom: 40px;
            max-width: 620px;
        }

        .metric-card-grid {
            display: grid;
            grid-template-columns: repeat(4, 1fr);
            gap: 20px;
        }

        .metric-card {
            background: rgba(255,255,255,0.06);
            border: 1px solid rgba(255,255,255,0.1);
            border-radius: var(--radius-md);
            padding: 24px 22px;
            backdrop-filter: blur(4px);
            transition: all var(--transition-base);
        }

        .metric-card:hover {
            background: rgba(255,255,255,0.1);
            border-color: rgba(255,255,255,0.18);
            transform: translateY(-2px);
        }

        .metric-card .metric-icon {
            font-size: 22px;
            color: var(--color-accent);
            margin-bottom: 12px;
        }

        .metric-card .metric-value {
            font-family: var(--font-numeric);
            font-size: 38px;
            font-weight: 700;
            color: #fff;
            line-height: 1.1;
            margin-bottom: 6px;
            letter-spacing: -0.02em;
        }

        .metric-card .metric-label {
            font-size: 13px;
            color: rgba(255,255,255,0.65);
            letter-spacing: 0.04em;
        }

        /* ============ SECTION COMMON ============ */
        .section-dark {
            background: var(--color-bg-dark);
            color: #fff;
        }

        .section-dark .section-title,
        .section-dark h2,
        .section-dark h3 {
            color: #fff;
        }

        .section-dark .section-subtitle,
        .section-dark p {
            color: rgba(255,255,255,0.7);
        }

        .section-light {
            background: var(--color-bg-light);
        }

        .section-soft {
            background: var(--color-bg);
        }

        /* ============ SCENE MATRIX (Section 2) ============ */
        .scene-matrix-grid {
            display: grid;
            grid-template-columns: repeat(6, 1fr);
            grid-auto-rows: minmax(140px, auto);
            gap: 16px;
        }

        .scene-card {
            border-radius: var(--radius-md);
            background-size: cover;
            background-position: center;
            position: relative;
            overflow: hidden;
            border: 1px solid var(--color-border);
            cursor: pointer;
            text-decoration: none;
            transition: all var(--transition-base);
            display: flex;
            align-items: flex-end;
            min-height: 160px;
        }

        .scene-card::before {
            content: '';
            position: absolute;
            inset: 0;
            background: linear-gradient(to top, rgba(27,24,21,0.82) 0%, rgba(27,24,21,0.15) 60%, rgba(27,24,21,0.05) 100%);
            transition: all var(--transition-base);
        }

        .scene-card:hover::before {
            background: linear-gradient(to top, rgba(27,24,21,0.9) 0%, rgba(27,24,21,0.3) 60%, rgba(27,24,21,0.08) 100%);
        }

        .scene-card:hover {
            transform: translateY(-3px);
            box-shadow: var(--shadow-lg);
            border-color: var(--color-accent);
        }

        .scene-card .scene-info {
            position: relative;
            z-index: 2;
            padding: 16px 18px;
            color: #fff;
            width: 100%;
        }

        .scene-card .scene-name {
            font-size: 16px;
            font-weight: 600;
            color: #fff;
            margin-bottom: 2px;
            line-height: 1.35;
        }

        .scene-card .scene-count {
            font-size: 12px;
            color: rgba(255,255,255,0.65);
        }

        .scene-card.card-large {
            grid-column: span 2;
            grid-row: span 2;
            min-height: 320px;
        }

        .scene-card.card-medium {
            grid-column: span 2;
            min-height: 160px;
        }

        .scene-card.card-small {
            grid-column: span 1;
            min-height: 140px;
        }

        .scene-card.card-featured {
            border-color: var(--color-accent);
            box-shadow: 0 6px 20px rgba(201,138,61,0.2);
        }

        /* ============ COMPARISON (Section 3) ============ */
        .comparison-wrapper {
            display: grid;
            grid-template-columns: 1fr 1fr;
            gap: 28px;
        }

        .comparison-panel {
            padding: 32px 28px;
            border-radius: var(--radius-md);
            border: 1px solid var(--color-border);
            background: var(--color-bg-light);
            box-shadow: var(--shadow-sm);
            transition: all var(--transition-base);
        }

        .comparison-panel:hover {
            box-shadow: var(--shadow-md);
            border-color: var(--color-accent);
        }

        .comparison-panel.highlight {
            background: var(--color-primary);
            border-color: var(--color-primary);
            color: #fff;
            box-shadow: var(--shadow-lg);
        }

        .comparison-panel.highlight h3,
        .comparison-panel.highlight p,
        .comparison-panel.highlight li {
            color: #fff;
        }

        .comparison-panel.highlight li::marker {
            color: var(--color-accent);
        }

        .comparison-panel h3 {
            font-size: 18px;
            margin-bottom: 16px;
            display: flex;
            align-items: center;
            gap: 8px;
        }

        .comparison-panel ul {
            list-style: none;
            padding: 0;
            margin: 0;
        }

        .comparison-panel ul li {
            padding: 8px 0;
            font-size: 15px;
            color: var(--color-text-secondary);
            display: flex;
            align-items: flex-start;
            gap: 10px;
            line-height: 1.6;
        }

        .comparison-panel ul li i {
            color: var(--color-accent);
            margin-top: 3px;
            flex-shrink: 0;
        }

        .comparison-panel.highlight ul li i {
            color: var(--color-accent-light);
        }

        /* ============ MILESTONE (Section 4) ============ */
        .milestone-track {
            display: flex;
            align-items: stretch;
            gap: 0;
            position: relative;
            padding: 20px 0;
            overflow-x: auto;
            scrollbar-width: thin;
            scrollbar-color: var(--color-accent) var(--color-border);
        }

        .milestone-track::-webkit-scrollbar {
            height: 6px;
        }

        .milestone-track::-webkit-scrollbar-thumb {
            background: var(--color-accent);
            border-radius: 4px;
        }

        .milestone-node {
            flex: 1;
            min-width: 180px;
            padding: 20px 16px;
            border-radius: var(--radius-md);
            background: var(--color-bg-light);
            border: 1px solid var(--color-border);
            position: relative;
            text-align: center;
            margin-right: 12px;
            transition: all var(--transition-base);
            flex-shrink: 0;
        }

        .milestone-node:last-child {
            margin-right: 0;
        }

        .milestone-node:hover {
            border-color: var(--color-accent);
            box-shadow: var(--shadow-md);
            transform: translateY(-2px);
        }

        .milestone-node .milestone-dot {
            width: 12px;
            height: 12px;
            border-radius: 50%;
            background: var(--color-accent);
            margin: 0 auto 12px;
            box-shadow: 0 0 0 4px rgba(201,138,61,0.2);
        }

        .milestone-node .milestone-year {
            font-family: var(--font-numeric);
            font-size: 22px;
            font-weight: 700;
            color: var(--color-primary);
            margin-bottom: 6px;
        }

        .milestone-node .milestone-desc {
            font-size: 13px;
            color: var(--color-text-secondary);
            line-height: 1.6;
        }

        /* ============ NEWS LIST (Section 5) ============ */
        .news-list {
            display: grid;
            grid-template-columns: 1fr;
            gap: 16px;
        }

        .news-item {
            display: grid;
            grid-template-columns: 1fr 220px;
            gap: 20px;
            padding: 20px 22px;
            border-radius: var(--radius-md);
            background: var(--color-bg-light);
            border: 1px solid var(--color-border);
            box-shadow: var(--shadow-sm);
            transition: all var(--transition-base);
            text-decoration: none;
            color: var(--color-text);
        }

        .news-item:hover {
            box-shadow: var(--shadow-md);
            border-color: var(--color-accent);
            transform: translateX(4px);
            color: var(--color-text);
        }

        .news-item .news-body {
            display: flex;
            flex-direction: column;
            justify-content: space-between;
            gap: 8px;
        }

        .news-item .news-title {
            font-size: 17px;
            font-weight: 600;
            color: var(--color-primary);
            margin: 0;
            line-height: 1.45;
        }

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

        .news-item .news-summary {
            font-size: 14px;
            color: var(--color-text-secondary);
            line-height: 1.7;
            margin: 0;
        }

        .news-item .news-meta {
            display: flex;
            align-items: center;
            gap: 12px;
            font-size: 12px;
            color: var(--color-text-secondary);
        }

        .news-item .news-tag {
            display: inline-block;
            padding: 3px 10px;
            border-radius: 12px;
            font-size: 11px;
            background: rgba(201,138,61,0.12);
            color: var(--color-accent);
            font-weight: 500;
        }

        .news-item .news-img {
            width: 220px;
            height: 130px;
            border-radius: var(--radius-sm);
            overflow: hidden;
            background: #ddd;
            flex-shrink: 0;
        }

        .news-item .news-img img {
            width: 100%;
            height: 100%;
            object-fit: cover;
            transition: transform var(--transition-base);
        }

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

        /* ============ RANKING (Section 6) ============ */
        .ranking-scroll {
            display: flex;
            gap: 16px;
            overflow-x: auto;
            scrollbar-width: thin;
            scrollbar-color: var(--color-accent) var(--color-border);
            padding: 8px 0 16px;
        }

        .ranking-scroll::-webkit-scrollbar {
            height: 6px;
        }

        .ranking-scroll::-webkit-scrollbar-thumb {
            background: var(--color-accent);
            border-radius: 4px;
        }

        .ranking-card {
            flex: 0 0 180px;
            border-radius: var(--radius-md);
            overflow: hidden;
            background: var(--color-bg-light);
            border: 1px solid var(--color-border);
            box-shadow: var(--shadow-sm);
            transition: all var(--transition-base);
            cursor: pointer;
            position: relative;
        }

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

        .ranking-card .rank-cover {
            width: 100%;
            height: 240px;
            overflow: hidden;
        }

        .ranking-card .rank-cover img {
            width: 100%;
            height: 100%;
            object-fit: cover;
            transition: transform var(--transition-base);
        }

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

        .ranking-card .rank-number {
            position: absolute;
            top: 8px;
            left: 12px;
            font-family: var(--font-numeric);
            font-size: 32px;
            font-weight: 700;
            color: #fff;
            text-shadow: 0 2px 12px rgba(0,0,0,0.6);
            z-index: 2;
        }

        .ranking-card .rank-info {
            padding: 14px 14px 12px;
        }

        .ranking-card .rank-title {
            font-size: 14px;
            font-weight: 600;
            color: var(--color-primary);
            margin-bottom: 4px;
            line-height: 1.4;
            display: -webkit-box;
            -webkit-line-clamp: 2;
            -webkit-box-orient: vertical;
            overflow: hidden;
        }

        .ranking-card .rank-meta {
            font-size: 12px;
            color: var(--color-text-secondary);
            display: flex;
            align-items: center;
            gap: 8px;
        }

        .rank-badge {
            display: inline-block;
            padding: 2px 8px;
            border-radius: 10px;
            font-size: 10px;
            background: var(--color-accent);
            color: #fff;
            font-weight: 600;
        }

        /* ============ PLATFORM GUARANTEE (Section 7) ============ */
        .guarantee-grid {
            display: grid;
            grid-template-columns: repeat(3, 1fr);
            gap: 20px;
        }

        .guarantee-card {
            padding: 26px 24px;
            border-radius: var(--radius-md);
            background: var(--color-bg-light);
            border: 1px solid var(--color-border);
            box-shadow: var(--shadow-sm);
            transition: all var(--transition-base);
            display: flex;
            flex-direction: column;
            gap: 10px;
        }

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

        .guarantee-card.card-wide {
            grid-column: span 2;
            flex-direction: row;
            align-items: center;
            gap: 20px;
        }

        .guarantee-card .guarantee-icon {
            width: 46px;
            height: 46px;
            border-radius: 12px;
            background: rgba(201,138,61,0.12);
            color: var(--color-accent);
            display: flex;
            align-items: center;
            justify-content: center;
            font-size: 20px;
            flex-shrink: 0;
        }

        .guarantee-card h3 {
            font-size: 17px;
            font-weight: 600;
            margin-bottom: 4px;
            color: var(--color-primary);
        }

        .guarantee-card p {
            font-size: 14px;
            color: var(--color-text-secondary);
            line-height: 1.7;
            margin: 0;
        }

        .guarantee-card.card-wide .guarantee-content {
            flex: 1;
        }

        /* ============ QUICK START (Section 8) ============ */
        .quick-start-steps {
            display: flex;
            gap: 0;
            padding: 20px 0;
            counter-reset: step-counter;
            flex-wrap: nowrap;
            overflow-x: auto;
            scrollbar-width: thin;
        }

        .quick-start-steps::-webkit-scrollbar {
            height: 6px;
        }

        .quick-start-steps::-webkit-scrollbar-thumb {
            background: var(--color-accent);
            border-radius: 4px;
        }

        .step-item {
            flex: 1;
            min-width: 200px;
            padding: 24px 20px;
            border-radius: var(--radius-md);
            background: var(--color-bg-light);
            border: 1px solid var(--color-border);
            margin-right: 14px;
            position: relative;
            transition: all var(--transition-base);
            flex-shrink: 0;
            counter-increment: step-counter;
        }

        .step-item:last-child {
            margin-right: 0;
        }

        .step-item:hover {
            border-color: var(--color-accent);
            box-shadow: var(--shadow-md);
        }

        .step-item .step-number {
            font-family: var(--font-numeric);
            font-size: 16px;
            font-weight: 700;
            color: var(--color-accent);
            display: flex;
            align-items: center;
            gap: 8px;
            margin-bottom: 10px;
        }

        .step-item .step-number::before {
            content: counter(step-counter);
            width: 30px;
            height: 30px;
            border-radius: 50%;
            background: var(--color-accent);
            color: #fff;
            display: flex;
            align-items: center;
            justify-content: center;
            font-size: 14px;
            font-weight: 700;
        }

        .step-item .step-text {
            font-size: 14px;
            color: var(--color-text-secondary);
            line-height: 1.7;
            margin: 0;
            font-weight: 500;
            color: var(--color-text);
        }

        /* ============ LATE NIGHT THEATER (Section 9) ============ */
        .late-night-section {
            background: var(--color-bg-dark);
            background-image: linear-gradient(rgba(30,28,25,0.92), rgba(30,28,25,0.95)), url('/assets/images/3806ba590b9258d5.jpg');
            background-size: cover;
            background-position: center;
        }

        .late-night-scroll {
            display: flex;
            gap: 16px;
            overflow-x: auto;
            padding: 8px 0 16px;
            scrollbar-width: thin;
            scrollbar-color: var(--color-accent) rgba(255,255,255,0.15);
        }

        .late-night-scroll::-webkit-scrollbar {
            height: 6px;
        }

        .late-night-scroll::-webkit-scrollbar-thumb {
            background: var(--color-accent);
            border-radius: 4px;
        }

        .late-night-card {
            flex: 0 0 200px;
            border-radius: var(--radius-md);
            overflow: hidden;
            background: rgba(255,255,255,0.05);
            border: 1px solid rgba(255,255,255,0.1);
            transition: all var(--transition-base);
            position: relative;
            cursor: pointer;
        }

        .late-night-card:hover {
            border-color: var(--color-accent);
            box-shadow: 0 10px 30px rgba(0,0,0,0.4);
            transform: translateY(-4px);
        }

        .late-night-card .ln-cover {
            width: 100%;
            height: 260px;
            overflow: hidden;
            position: relative;
        }

        .late-night-card .ln-cover img {
            width: 100%;
            height: 100%;
            object-fit: cover;
            transition: transform var(--transition-base);
        }

        .late-night-card:hover .ln-cover img {
            transform: scale(1.05);
        }

        .late-night-card .ln-tags {
            position: absolute;
            top: 10px;
            left: 10px;
            display: flex;
            gap: 6px;
            flex-wrap: wrap;
        }

        .ln-tag {
            padding: 4px 10px;
            border-radius: 12px;
            font-size: 10px;
            font-weight: 600;
            background: rgba(201,138,61,0.9);
            color: #fff;
        }

        .ln-tag.secondary {
            background: rgba(27,24,21,0.8);
        }

        .late-night-card .ln-info {
            padding: 14px 14px 12px;
        }

        .late-night-card .ln-title {
            font-size: 14px;
            font-weight: 600;
            color: #fff;
            margin-bottom: 4px;
            line-height: 1.4;
        }

        .late-night-card .ln-meta {
            font-size: 12px;
            color: rgba(255,255,255,0.55);
        }

        /* ============ UPDATE CALENDAR (Section 10) ============ */
        .calendar-grid {
            display: grid;
            grid-template-columns: repeat(7, 1fr);
            gap: 10px;
        }

        .calendar-day {
            padding: 20px 12px;
            border-radius: var(--radius-md);
            text-align: center;
            background: var(--color-bg-light);
            border: 1px solid var(--color-border);
            transition: all var(--transition-base);
            cursor: default;
        }

        .calendar-day:hover {
            border-color: var(--color-accent);
            box-shadow: var(--shadow-sm);
            transform: translateY(-2px);
        }

        .calendar-day .cal-day-name {
            font-size: 13px;
            font-weight: 600;
            color: var(--color-text-secondary);
            margin-bottom: 8px;
        }

        .calendar-day .cal-status {
            display: inline-block;
            padding: 4px 12px;
            border-radius: 14px;
            font-size: 11px;
            font-weight: 600;
            letter-spacing: 0.02em;
        }

        .cal-status.updated {
            background: rgba(124,139,90,0.15);
            color: var(--color-success);
            border: 1px solid rgba(124,139,90,0.3);
        }

        .cal-status.upcoming {
            background: rgba(201,138,61,0.12);
            color: var(--color-accent);
            border: 1px solid rgba(201,138,61,0.3);
        }

        .cal-status.hot {
            background: rgba(168,92,74,0.15);
            color: var(--color-warning);
            border: 1px solid rgba(168,92,74,0.3);
        }

        /* ============ FAQ (Section 11) ============ */
        .faq-accordion .accordion-item {
            border: 1px solid var(--color-border);
            border-radius: var(--radius-md);
            margin-bottom: 12px;
            background: var(--color-bg-light);
            overflow: hidden;
            box-shadow: var(--shadow-sm);
            transition: all var(--transition-base);
        }

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

        .faq-accordion .accordion-button {
            background: var(--color-bg-light);
            color: var(--color-primary);
            font-weight: 600;
            font-size: 15px;
            padding: 18px 20px;
            border: none;
            box-shadow: none;
            border-left: 3px solid var(--color-accent);
            transition: all var(--transition-base);
            position: relative;
        }

        .faq-accordion .accordion-button:not(.collapsed) {
            background: var(--color-bg);
            color: var(--color-primary);
            box-shadow: none;
            border-left-color: var(--color-accent);
        }

        .faq-accordion .accordion-button:focus {
            box-shadow: none;
            outline: none;
            border-color: var(--color-accent);
        }

        .faq-accordion .accordion-button::after {
            filter: brightness(0.5);
        }

        .faq-accordion .accordion-body {
            padding: 16px 20px 18px;
            font-size: 15px;
            color: var(--color-text-secondary);
            line-height: 1.85;
            background: var(--color-bg-light);
        }

        .faq-accordion .accordion-body p {
            margin: 0;
            color: var(--color-text-secondary);
        }

        .faq-accordion .accordion-body ul {
            margin: 8px 0 0;
            padding-left: 20px;
            color: var(--color-text-secondary);
        }

        .faq-accordion .accordion-body ul li {
            margin-bottom: 4px;
        }

        /* ============ USER FEEDBACK (Section 12) ============ */
        .feedback-grid {
            display: grid;
            grid-template-columns: 1fr 1fr 1fr;
            gap: 20px;
        }

        .feedback-card {
            padding: 26px 24px;
            border-radius: var(--radius-md);
            background: var(--color-bg-light);
            border: 1px solid var(--color-border);
            box-shadow: var(--shadow-sm);
            transition: all var(--transition-base);
            position: relative;
        }

        .feedback-card:hover {
            border-color: var(--color-accent);
            box-shadow: var(--shadow-md);
            transform: translateY(-2px);
        }

        .feedback-card.card-big {
            grid-column: span 1;
            padding: 30px 26px;
            background: var(--color-primary);
            border-color: var(--color-primary);
            color: #fff;
        }

        .feedback-card.card-big h3,
        .feedback-card.card-big p {
            color: #fff;
        }

        .feedback-card.card-big .feedback-quote {
            color: rgba(255,255,255,0.75);
        }

        .feedback-card.card-big .feedback-author {
            color: rgba(255,255,255,0.6);
        }

        .feedback-card .feedback-quote {
            font-size: 15px;
            color: var(--color-text-secondary);
            line-height: 1.8;
            margin-bottom: 14px;
            font-style: italic;
        }

        .feedback-card .feedback-author {
            font-size: 13px;
            font-weight: 600;
            color: var(--color-primary);
            display: flex;
            align-items: center;
            gap: 8px;
        }

        .feedback-card .feedback-author .avatar-dot {
            width: 28px;
            height: 28px;
            border-radius: 50%;
            background: var(--color-accent);
            color: #fff;
            display: flex;
            align-items: center;
            justify-content: center;
            font-size: 11px;
            font-weight: 700;
        }

        .feedback-card .feedback-rating {
            color: var(--color-accent);
            font-size: 14px;
            margin-bottom: 12px;
        }

        /* ============ MULTI-DEVICE (Section 13) ============ */
        .device-grid {
            display: grid;
            grid-template-columns: repeat(4, 1fr);
            gap: 16px;
        }

        .device-card {
            padding: 28px 20px;
            border-radius: var(--radius-md);
            background: var(--color-bg-light);
            border: 1px solid var(--color-border);
            box-shadow: var(--shadow-sm);
            text-align: center;
            transition: all var(--transition-base);
        }

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

        .device-card .device-icon {
            font-size: 34px;
            color: var(--color-accent);
            margin-bottom: 12px;
        }

        .device-card h3 {
            font-size: 16px;
            font-weight: 600;
            color: var(--color-primary);
            margin-bottom: 6px;
        }

        .device-card p {
            font-size: 13px;
            color: var(--color-text-secondary);
            line-height: 1.65;
            margin: 0;
        }

        /* ============ SUBSCRIPTION FORM (Section 14) ============ */
        .subscribe-section {
            background: var(--color-primary);
            padding: 56px 0;
        }

        .subscribe-grid {
            display: grid;
            grid-template-columns: 1fr 1fr;
            gap: 40px;
            align-items: center;
        }

        .subscribe-info h2 {
            color: #fff;
            font-size: 24px;
            margin-bottom: 14px;
        }

        .subscribe-info p {
            color: rgba(255,255,255,0.7);
            font-size: 15px;
            line-height: 1.8;
            margin-bottom: 0;
        }

        .subscribe-info .trust-points {
            display: flex;
            flex-wrap: wrap;
            gap: 12px;
            margin-top: 16px;
        }

        .subscribe-info .trust-point {
            display: inline-flex;
            align-items: center;
            gap: 6px;
            font-size: 12px;
            color: rgba(255,255,255,0.65);
            background: rgba(255,255,255,0.08);
            padding: 6px 14px;
            border-radius: 16px;
        }

        .subscribe-info .trust-point i {
            color: var(--color-accent);
        }

        .subscribe-form {
            background: var(--color-bg-light);
            padding: 32px;
            border-radius: var(--radius-md);
            box-shadow: 0 16px 40px rgba(0,0,0,0.3);
        }

        .subscribe-form .form-control {
            background: #fff;
            border: 1px solid #D9CFC0;
            border-radius: var(--radius-sm);
            padding: 14px 16px;
            font-size: 15px;
            color: var(--color-text);
            transition: all var(--transition-fast);
            margin-bottom: 14px;
        }

        .subscribe-form .form-control:focus {
            border-color: var(--color-accent);
            box-shadow: 0 0 0 0.2rem rgba(201,138,61,0.18);
            outline: none;
        }

        .subscribe-form .form-control::placeholder {
            color: #aaa;
        }

        .btn-subscribe {
            display: inline-flex;
            align-items: center;
            justify-content: center;
            gap: 8px;
            width: 100%;
            padding: 14px 24px;
            border-radius: var(--radius-sm);
            background: var(--color-accent);
            color: #fff;
            font-size: 15px;
            font-weight: 600;
            border: none;
            transition: all var(--transition-base);
            cursor: pointer;
            letter-spacing: 0.02em;
        }

        .btn-subscribe:hover {
            background: var(--color-accent-hover);
            transform: translateY(-1px);
            box-shadow: 0 8px 20px rgba(201,138,61,0.35);
        }

        .btn-subscribe:active {
            transform: translateY(0);
            box-shadow: inset 0 2px 4px rgba(0,0,0,0.15);
        }

        /* ============ COMPLIANCE (Section 15) ============ */
        .compliance-section {
            background: #EDE8DC;
            padding: 32px 0;
        }

        .compliance-text {
            font-size: 13px;
            color: var(--color-text-secondary);
            line-height: 1.9;
            max-width: 900px;
            margin: 0 auto;
            text-align: center;
        }

        .compliance-text a {
            color: var(--color-primary);
            text-decoration: underline;
            text-underline-offset: 3px;
        }

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

        /* ============ FOOTER ============ */
        .site-footer {
            background: var(--color-bg-dark);
            color: rgba(255,255,255,0.7);
            padding: 48px 0 28px;
        }

        .footer-grid {
            display: grid;
            grid-template-columns: 2fr 1fr 1fr 1.2fr;
            gap: 32px;
            margin-bottom: 32px;
        }

        .footer-brand {
            font-size: 20px;
            font-weight: 700;
            color: #fff;
            margin-bottom: 12px;
            display: flex;
            align-items: center;
            gap: 8px;
        }

        .footer-brand .brand-icon {
            width: 28px;
            height: 28px;
            border-radius: 7px;
            background: var(--color-accent);
            color: #fff;
            display: flex;
            align-items: center;
            justify-content: center;
            font-size: 13px;
        }

        .footer-desc {
            font-size: 13px;
            color: rgba(255,255,255,0.55);
            line-height: 1.8;
            margin-bottom: 8px;
        }

        .footer-col h4 {
            font-size: 14px;
            font-weight: 600;
            color: #fff;
            margin-bottom: 14px;
        }

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

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

        .footer-col ul li a {
            font-size: 13px;
            color: rgba(255,255,255,0.55);
            text-decoration: none;
            transition: color var(--transition-fast);
        }

        .footer-col ul li a:hover {
            color: var(--color-accent);
        }

        .footer-bottom {
            border-top: 1px solid rgba(255,255,255,0.1);
            padding-top: 20px;
            display: flex;
            justify-content: space-between;
            align-items: center;
            flex-wrap: wrap;
            gap: 12px;
            font-size: 12px;
            color: rgba(255,255,255,0.45);
        }

        /* ============ BUTTONS ============ */
        .btn-primary-custom {
            display: inline-flex;
            align-items: center;
            gap: 8px;
            padding: 12px 26px;
            border-radius: 24px;
            background: var(--color-accent);
            color: #fff;
            font-size: 14px;
            font-weight: 600;
            border: none;
            text-decoration: none;
            transition: all var(--transition-base);
            cursor: pointer;
            letter-spacing: 0.02em;
        }

        .btn-primary-custom:hover {
            background: var(--color-accent-hover);
            color: #fff;
            transform: translateY(-1px);
            box-shadow: 0 6px 18px rgba(201,138,61,0.35);
        }

        .btn-primary-custom:active {
            transform: translateY(0);
            box-shadow: inset 0 2px 4px rgba(0,0,0,0.15);
        }

        .btn-outline-custom {
            display: inline-flex;
            align-items: center;
            gap: 8px;
            padding: 12px 26px;
            border-radius: 24px;
            background: transparent;
            color: var(--color-primary);
            font-size: 14px;
            font-weight: 600;
            border: 1.5px solid var(--color-primary);
            text-decoration: none;
            transition: all var(--transition-base);
            cursor: pointer;
        }

        .btn-outline-custom:hover {
            background: var(--color-primary);
            color: var(--color-bg-light);
            border-color: var(--color-primary);
            transform: translateY(-1px);
        }

        .btn-outline-custom:active {
            transform: translateY(0);
        }

        .section-dark .btn-outline-custom {
            color: #fff;
            border-color: rgba(255,255,255,0.4);
        }

        .section-dark .btn-outline-custom:hover {
            background: #fff;
            color: var(--color-primary);
            border-color: #fff;
        }

        /* ============ TAGS / CHIPS ============ */
        .chip-tag {
            display: inline-flex;
            align-items: center;
            padding: 4px 12px;
            border-radius: 14px;
            font-size: 11px;
            font-weight: 500;
            background: rgba(201,138,61,0.1);
            color: var(--color-accent);
            transition: all var(--transition-fast);
        }

        .chip-tag:hover {
            background: rgba(201,138,61,0.2);
        }

        /* ============ RESPONSIVE ============ */
        @media (max-width: 1024px) {
            :root {
                --section-padding: 56px;
            }

            .metric-card-grid {
                grid-template-columns: repeat(2, 1fr);
                gap: 14px;
            }

            .scene-matrix-grid {
                grid-template-columns: repeat(4, 1fr);
                gap: 12px;
            }

            .scene-card.card-large {
                grid-column: span 2;
                grid-row: span 2;
            }

            .scene-card.card-medium {
                grid-column: span 2;
            }

            .scene-card.card-small {
                grid-column: span 1;
            }

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

            .guarantee-card.card-wide {
                grid-column: span 2;
            }

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

            .calendar-grid {
                grid-template-columns: repeat(7, 1fr);
            }

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

        @media (max-width: 768px) {
            :root {
                --section-padding: 40px;
            }

            h1 {
                font-size: 28px;
            }

            h2 {
                font-size: 23px;
            }

            .section-title {
                font-size: 23px;
            }

            .site-header .header-inner {
                flex-wrap: wrap;
                gap: 10px;
                padding: 10px 16px;
            }

            .site-header .brand {
                font-size: 16px;
            }

            .nav-chips {
                order: 3;
                width: 100%;
                gap: 4px;
                padding: 0;
            }

            .nav-chip {
                font-size: 12px;
                padding: 6px 14px;
                border-radius: 20px;
            }

            .header-cta {
                font-size: 12px;
                padding: 8px 16px;
                border-radius: 20px;
            }

            .nav-toggle-mobile {
                display: inline-flex;
            }

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

            .hero-metric-board h1 {
                font-size: 26px;
            }

            .hero-metric-board .hero-sub {
                font-size: 15px;
                margin-bottom: 28px;
            }

            .metric-card-grid {
                grid-template-columns: repeat(2, 1fr);
                gap: 10px;
            }

            .metric-card {
                padding: 16px 14px;
            }

            .metric-card .metric-value {
                font-size: 28px;
            }

            .metric-card .metric-label {
                font-size: 11px;
            }

            .scene-matrix-grid {
                grid-template-columns: repeat(2, 1fr);
                gap: 10px;
            }

            .scene-card.card-large {
                grid-column: span 2;
                grid-row: span 1;
                min-height: 200px;
            }

            .scene-card.card-medium {
                grid-column: span 2;
                min-height: 140px;
            }

            .scene-card.card-small {
                grid-column: span 1;
                min-height: 120px;
            }

            .scene-card {
                min-height: 120px;
            }

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

            .news-item {
                grid-template-columns: 1fr;
                gap: 12px;
                padding: 16px;
            }

            .news-item .news-img {
                width: 100%;
                height: 160px;
                order: -1;
            }

            .ranking-card {
                flex: 0 0 150px;
            }

            .ranking-card .rank-cover {
                height: 200px;
            }

            .guarantee-grid {
                grid-template-columns: 1fr;
                gap: 12px;
            }

            .guarantee-card.card-wide {
                grid-column: span 1;
                flex-direction: column;
                align-items: flex-start;
            }

            .quick-start-steps {
                flex-wrap: nowrap;
                overflow-x: auto;
            }

            .step-item {
                min-width: 160px;
                padding: 18px 14px;
            }

            .late-night-card {
                flex: 0 0 160px;
            }

            .late-night-card .ln-cover {
                height: 210px;
            }

            .calendar-grid {
                grid-template-columns: repeat(4, 1fr);
                gap: 8px;
            }

            .calendar-day {
                padding: 14px 8px;
            }

            .feedback-grid {
                grid-template-columns: 1fr;
                gap: 12px;
            }

            .feedback-card.card-big {
                grid-column: span 1;
            }

            .device-grid {
                grid-template-columns: repeat(2, 1fr);
                gap: 10px;
            }

            .device-card {
                padding: 20px 14px;
            }

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

            .subscribe-form {
                padding: 24px 18px;
            }

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

            .footer-bottom {
                flex-direction: column;
                text-align: center;
                gap: 8px;
            }
        }

        @media (max-width: 520px) {
            :root {
                --section-padding: 28px;
            }

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

            h1 {
                font-size: 24px;
            }

            h2 {
                font-size: 20px;
            }

            .section-title {
                font-size: 20px;
            }

            .section-subtitle {
                font-size: 14px;
            }

            .site-header .brand {
                font-size: 14px;
            }

            .brand-icon {
                width: 28px;
                height: 28px;
                font-size: 13px;
            }

            .nav-chip {
                font-size: 11px;
                padding: 5px 12px;
            }

            .header-cta {
                font-size: 11px;
                padding: 7px 14px;
            }

            .hero-metric-board {
                padding: 36px 0 32px;
            }

            .hero-metric-board h1 {
                font-size: 22px;
            }

            .hero-metric-board .hero-sub {
                font-size: 14px;
                line-height: 1.7;
            }

            .metric-card {
                padding: 12px 10px;
            }

            .metric-card .metric-value {
                font-size: 22px;
            }

            .scene-matrix-grid {
                grid-template-columns: 1fr 1fr;
                gap: 8px;
            }

            .scene-card.card-large {
                grid-column: span 2;
                min-height: 160px;
            }

            .scene-card.card-medium {
                grid-column: span 2;
                min-height: 120px;
            }

            .scene-card.card-small {
                min-height: 100px;
            }

            .scene-card .scene-name {
                font-size: 13px;
            }

            .scene-card .scene-count {
                font-size: 10px;
            }

            .comparison-panel {
                padding: 20px 16px;
            }

            .ranking-card {
                flex: 0 0 130px;
            }

            .ranking-card .rank-cover {
                height: 175px;
            }

            .ranking-card .rank-number {
                font-size: 24px;
            }

            .late-night-card {
                flex: 0 0 140px;
            }

            .late-night-card .ln-cover {
                height: 180px;
            }

            .calendar-grid {
                grid-template-columns: repeat(4, 1fr);
                gap: 6px;
            }

            .calendar-day {
                padding: 10px 6px;
            }

            .calendar-day .cal-day-name {
                font-size: 11px;
            }

            .calendar-day .cal-status {
                font-size: 9px;
                padding: 3px 8px;
            }

            .device-grid {
                grid-template-columns: 1fr 1fr;
                gap: 8px;
            }

            .device-card .device-icon {
                font-size: 26px;
            }

            .device-card h3 {
                font-size: 14px;
            }

            .subscribe-form {
                padding: 18px 14px;
            }

            .btn-subscribe {
                font-size: 13px;
                padding: 12px 18px;
            }
        }

/* roulang page: category1 */
:root {
  --color-primary: #1B1815;
  --color-primary-light: #2A2621;
  --color-accent: #C98A3D;
  --color-accent-hover: #B4782F;
  --color-accent-light: #E8D3B8;
  --color-emphasis: #4F6F6A;
  --color-bg: #F5F1E8;
  --color-bg-light: #FBF8F1;
  --color-bg-dark: #1E1C19;
  --color-text: #26221E;
  --color-text-secondary: #6C645B;
  --color-border: #E4DCCE;
  --color-border-dark: rgba(255,255,255,0.12);
  --color-success: #7C8B5A;
  --color-warning: #A85C4A;
  --radius-sm: 8px;
  --radius-md: 14px;
  --radius-lg: 20px;
  --shadow-sm: 0 4px 14px rgba(27,24,21,0.04);
  --shadow-md: 0 8px 24px rgba(27,24,21,0.06);
  --shadow-lg: 0 14px 34px rgba(27,24,21,0.12);
  --shadow-xl: 0 22px 48px rgba(27,24,21,0.16);
  --font-family: 'PingFang SC', 'Microsoft YaHei', 'Noto Sans CJK SC', system-ui, -apple-system, sans-serif;
  --font-numeric: 'DIN Alternate', system-ui, 'SF Mono', monospace;
  --section-padding: 56px;
  --section-padding-mobile: 28px;
  --transition-fast: 0.18s ease;
  --transition-base: 0.28s ease;
  --transition-slow: 0.42s cubic-bezier(0.22, 1, 0.36, 1);
}

* {
  box-sizing: border-box;
}

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

body {
  margin: 0;
  font-family: var(--font-family);
  font-size: 16px;
  line-height: 1.78;
  color: var(--color-text);
  background-color: var(--color-bg);
  -webkit-font-smoothing: antialiased;
  -moz-osx-font-smoothing: grayscale;
  overflow-x: hidden;
}

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

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

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

a:focus-visible,
button:focus-visible,
input:focus-visible,
select:focus-visible,
textarea:focus-visible {
  outline: 2px solid var(--color-accent);
  outline-offset: 2px;
  border-radius: 4px;
}

.container {
  max-width: 1200px;
  margin: 0 auto;
  padding-left: 24px;
  padding-right: 24px;
}

.container-wide {
  max-width: 1320px;
  margin: 0 auto;
  padding-left: 24px;
  padding-right: 24px;
}

section {
  padding-top: var(--section-padding);
  padding-bottom: var(--section-padding);
  position: relative;
}

.section-label {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  font-size: 13px;
  font-weight: 600;
  letter-spacing: 0.08em;
  text-transform: uppercase;
  color: var(--color-accent);
  margin-bottom: 12px;
}

.section-label::before {
  content: '';
  display: inline-block;
  width: 20px;
  height: 3px;
  background: var(--color-accent);
  border-radius: 2px;
}

.section-title {
  font-size: 27px;
  font-weight: 700;
  color: var(--color-primary);
  margin-bottom: 16px;
  line-height: 1.35;
}

.section-subtitle {
  font-size: 16px;
  color: var(--color-text-secondary);
  line-height: 1.85;
  margin-bottom: 32px;
  max-width: 680px;
}

/* ============ HEADER NAV ============ */
.site-header {
  background: var(--color-bg-light);
  border-bottom: 1px solid var(--color-border);
  padding: 0;
  position: sticky;
  top: 0;
  z-index: 1050;
  box-shadow: 0 1px 10px rgba(27,24,21,0.04);
}

.site-header .header-inner {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 20px;
  padding: 12px 24px;
  max-width: 1200px;
  margin: 0 auto;
  flex-wrap: nowrap;
}

.site-header .brand {
  display: flex;
  align-items: center;
  gap: 10px;
  font-size: 19px;
  font-weight: 700;
  color: var(--color-primary);
  white-space: nowrap;
  text-decoration: none;
  letter-spacing: -0.01em;
}

.site-header .brand:hover {
  color: var(--color-accent);
}

.brand-icon {
  width: 34px;
  height: 34px;
  border-radius: 8px;
  background: var(--color-primary);
  color: var(--color-accent);
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 16px;
  flex-shrink: 0;
}

.nav-chips {
  display: flex;
  align-items: center;
  gap: 6px;
  overflow-x: auto;
  scrollbar-width: none;
  -ms-overflow-style: none;
  flex-shrink: 1;
  padding: 4px 0;
}

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

.nav-chip {
  display: inline-flex;
  align-items: center;
  white-space: nowrap;
  padding: 8px 16px;
  border-radius: 50rem;
  font-size: 14px;
  font-weight: 600;
  color: var(--color-primary);
  background: transparent;
  border: 1px solid var(--color-border);
  transition: all var(--transition-fast);
}

.nav-chip:hover {
  color: var(--color-accent);
  border-color: var(--color-accent);
  background: rgba(201,138,61,0.06);
}

.nav-chip.active {
  background: var(--color-accent);
  border-color: var(--color-accent);
  color: #fff;
  box-shadow: 0 6px 14px rgba(201,138,61,0.22);
}

.nav-chip.active:hover {
  color: #fff;
  background: var(--color-accent-hover);
  border-color: var(--color-accent-hover);
}

.nav-cta .btn {
  white-space: nowrap;
}

/* ============ BUTTONS ============ */
.btn {
  --bs-btn-font-size: 15px;
  --bs-btn-font-weight: 600;
  --bs-btn-padding-x: 20px;
  --bs-btn-padding-y: 10px;
  --bs-btn-border-radius: 50rem;
  --bs-btn-border-width: 1px;
  --bs-btn-transition: all var(--transition-fast);
  letter-spacing: 0.01em;
}

.btn-accent {
  --bs-btn-color: #fff;
  --bs-btn-bg: var(--color-accent);
  --bs-btn-border-color: var(--color-accent);
  --bs-btn-hover-color: #fff;
  --bs-btn-hover-bg: var(--color-accent-hover);
  --bs-btn-hover-border-color: var(--color-accent-hover);
  --bs-btn-focus-shadow-rgb: 201, 138, 61;
  --bs-btn-active-color: #fff;
  --bs-btn-active-bg: var(--color-accent-hover);
  --bs-btn-active-border-color: var(--color-accent-hover);
  box-shadow: 0 6px 16px rgba(201,138,61,0.25);
}

.btn-outline-dark-custom {
  --bs-btn-color: var(--color-primary);
  --bs-btn-bg: transparent;
  --bs-btn-border-color: var(--color-primary);
  --bs-btn-hover-color: #fff;
  --bs-btn-hover-bg: var(--color-primary);
  --bs-btn-hover-border-color: var(--color-primary);
  --bs-btn-focus-shadow-rgb: 27, 24, 21;
  --bs-btn-active-color: #fff;
  --bs-btn-active-bg: var(--color-primary);
  --bs-btn-active-border-color: var(--color-primary);
}

.btn-sm {
  --bs-btn-padding-x: 14px;
  --bs-btn-padding-y: 7px;
  --bs-btn-font-size: 13px;
}

/* ============ CATEGORY HERO ============ */
.category-hero {
  background: var(--color-bg-light);
  border-bottom: 1px solid var(--color-border);
  padding-top: 42px;
  padding-bottom: 36px;
}

.category-hero .breadcrumb {
  --bs-breadcrumb-divider-color: var(--color-text-secondary);
  --bs-breadcrumb-item-active-color: var(--color-text-secondary);
  margin-bottom: 14px;
  font-size: 14px;
}

.category-hero .breadcrumb a {
  color: var(--color-text-secondary);
  text-decoration: none;
}

.category-hero .breadcrumb a:hover {
  color: var(--color-accent);
}

.category-hero h1 {
  font-size: 34px;
  font-weight: 700;
  line-height: 1.3;
  color: var(--color-primary);
  margin-bottom: 10px;
  letter-spacing: -0.01em;
}

.category-hero .hero-desc {
  font-size: 16px;
  color: var(--color-text-secondary);
  max-width: 780px;
  line-height: 1.8;
  margin-bottom: 0;
}

/* ============ FILTER SECTION ============ */
.filter-section {
  padding-top: 32px;
  padding-bottom: 24px;
  background: var(--color-bg);
}

.filter-group {
  display: flex;
  align-items: flex-start;
  gap: 10px;
  margin-bottom: 16px;
  flex-wrap: nowrap;
}

.filter-label {
  font-size: 14px;
  font-weight: 700;
  color: var(--color-primary);
  white-space: nowrap;
  padding-top: 7px;
  min-width: 70px;
}

.filter-scroll {
  display: flex;
  gap: 8px;
  overflow-x: auto;
  scrollbar-width: none;
  -ms-overflow-style: none;
  padding-bottom: 4px;
  flex: 1;
}

.filter-scroll::-webkit-scrollbar {
  display: none;
}

.filter-chip {
  display: inline-flex;
  align-items: center;
  white-space: nowrap;
  padding: 8px 18px;
  border-radius: 50rem;
  font-size: 14px;
  font-weight: 600;
  color: var(--color-primary);
  background: var(--color-bg-light);
  border: 1px solid var(--color-border);
  transition: all var(--transition-fast);
  cursor: pointer;
  user-select: none;
}

.filter-chip:hover {
  border-color: var(--color-accent);
  color: var(--color-accent);
  background: rgba(201,138,61,0.06);
}

.filter-chip.active {
  background: var(--color-accent);
  border-color: var(--color-accent);
  color: #fff;
  box-shadow: 0 6px 14px rgba(201,138,61,0.18);
}

/* ============ LISTING SECTION ============ */
.listing-section {
  background: var(--color-bg);
  padding-top: 24px;
}

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

.content-card {
  background: var(--color-bg-light);
  border: 1px solid var(--color-border);
  border-radius: var(--radius-md);
  overflow: hidden;
  box-shadow: var(--shadow-md);
  transition: transform var(--transition-base), box-shadow var(--transition-base);
  display: flex;
  flex-direction: column;
}

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

.card-img-wrap {
  position: relative;
  overflow: hidden;
  aspect-ratio: 16 / 9;
  background: var(--color-bg-dark);
}

.card-img-wrap img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  transition: transform 0.35s ease;
}

.content-card:hover .card-img-wrap img {
  transform: scale(1.03);
}

.card-img-wrap .badge {
  position: absolute;
  top: 12px;
  left: 12px;
  background: rgba(27,24,21,0.78);
  color: #fff;
  border-radius: 50rem;
  padding: 6px 12px;
  font-size: 12px;
  font-weight: 600;
  backdrop-filter: blur(6px);
}

.card-img-wrap .badge-accent {
  background: var(--color-accent);
  color: #fff;
}

.card-body {
  padding: 16px 18px 18px;
  display: flex;
  flex-direction: column;
  gap: 10px;
  flex: 1;
}

.card-title {
  font-size: 18px;
  font-weight: 700;
  color: var(--color-primary);
  line-height: 1.4;
  margin: 0;
  display: -webkit-box;
  -webkit-line-clamp: 2;
  -webkit-box-orient: vertical;
  overflow: hidden;
}

.card-meta {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 12px;
  font-size: 13px;
  color: var(--color-text-secondary);
}

.card-meta .status {
  color: var(--color-success);
  font-weight: 600;
}

.card-meta .score {
  color: var(--color-accent);
  font-weight: 700;
}

.see-more-wrapper {
  display: flex;
  justify-content: center;
  margin-top: 32px;
}

.see-more-wrapper .btn {
  min-width: 180px;
}

/* ============ RANKING SECTION ============ */
.ranking-section {
  background: var(--color-bg-dark);
  padding-top: 56px;
  padding-bottom: 56px;
}

.ranking-section .section-label {
  color: var(--color-accent);
}

.ranking-section .section-label::before {
  background: var(--color-accent);
}

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

.ranking-section .section-subtitle {
  color: rgba(255,255,255,0.72);
}

.ranking-scroll {
  display: flex;
  gap: 18px;
  overflow-x: auto;
  scrollbar-width: thin;
  scrollbar-color: var(--color-accent) rgba(255,255,255,0.08);
  padding-bottom: 16px;
}

.ranking-scroll::-webkit-scrollbar {
  height: 6px;
}

.ranking-scroll::-webkit-scrollbar-track {
  background: rgba(255,255,255,0.06);
  border-radius: 3px;
}

.ranking-scroll::-webkit-scrollbar-thumb {
  background: var(--color-accent);
  border-radius: 3px;
}

.rank-card {
  flex: 0 0 220px;
  background: rgba(255,255,255,0.06);
  border: 1px solid rgba(255,255,255,0.10);
  border-radius: var(--radius-md);
  overflow: hidden;
  transition: transform var(--transition-base), border-color var(--transition-base), background var(--transition-base);
  position: relative;
}

.rank-card:hover {
  transform: translateY(-2px);
  border-color: rgba(201,138,61,0.55);
  background: rgba(255,255,255,0.10);
}

.rank-number {
  position: absolute;
  top: 12px;
  left: 12px;
  z-index: 2;
  font-family: var(--font-numeric);
  font-size: 40px;
  font-weight: 700;
  color: var(--color-accent);
  text-shadow: 0 2px 8px rgba(0,0,0,0.5);
  line-height: 1;
}

.rank-cover {
  aspect-ratio: 16 / 9;
  overflow: hidden;
  position: relative;
}

.rank-cover img {
  width: 100%;
  height: 100%;
  object-fit: cover;
}

.rank-cover::after {
  content: '';
  position: absolute;
  inset: 0;
  background: linear-gradient(180deg, rgba(27,24,21,0.02) 55%, rgba(27,24,21,0.72) 100%);
}

.rank-info {
  padding: 12px 16px 16px;
}

.rank-info .rank-title {
  font-size: 16px;
  font-weight: 700;
  color: #fff;
  margin-bottom: 6px;
  line-height: 1.4;
  display: -webkit-box;
  -webkit-line-clamp: 2;
  -webkit-box-orient: vertical;
  overflow: hidden;
}

.rank-info .rank-meta {
  font-size: 12px;
  color: rgba(255,255,255,0.68);
  display: flex;
  align-items: center;
  gap: 10px;
}

/* ============ UPDATES SECTION ============ */
.updates-section {
  background: var(--color-bg-light);
}

.update-timeline {
  position: relative;
  padding-left: 24px;
}

.update-timeline::before {
  content: '';
  position: absolute;
  left: 6px;
  top: 6px;
  bottom: 6px;
  width: 2px;
  background: var(--color-border);
  border-radius: 2px;
}

.update-item {
  position: relative;
  padding: 18px 20px 18px 28px;
  background: var(--color-bg);
  border: 1px solid var(--color-border);
  border-radius: var(--radius-md);
  margin-bottom: 14px;
  transition: box-shadow var(--transition-fast), border-color var(--transition-fast);
}

.update-item:hover {
  box-shadow: var(--shadow-md);
  border-color: var(--color-accent-light);
}

.update-item::before {
  content: '';
  position: absolute;
  left: -24px;
  top: 24px;
  width: 12px;
  height: 12px;
  background: var(--color-accent);
  border-radius: 50%;
  box-shadow: 0 0 0 4px var(--color-accent-light);
}

.update-item .update-date {
  font-size: 13px;
  font-weight: 600;
  color: var(--color-accent);
  margin-bottom: 6px;
}

.update-item .update-title {
  font-size: 17px;
  font-weight: 700;
  color: var(--color-primary);
  margin-bottom: 4px;
}

.update-item .update-summary {
  font-size: 14px;
  color: var(--color-text-secondary);
  margin-bottom: 0;
}

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

.accordion-custom .accordion-item {
  background: var(--color-bg-light);
  border: 1px solid var(--color-border);
  border-radius: var(--radius-md) !important;
  margin-bottom: 14px;
  overflow: hidden;
  box-shadow: var(--shadow-sm);
  transition: box-shadow var(--transition-base), border-color var(--transition-base);
}

.accordion-custom .accordion-item:hover {
  border-color: var(--color-accent-light);
  box-shadow: var(--shadow-md);
}

.accordion-custom .accordion-button {
  background: var(--color-bg-light);
  color: var(--color-primary);
  font-weight: 700;
  font-size: 16px;
  padding: 18px 20px;
  border-left: 3px solid var(--color-accent);
  box-shadow: none;
  border-radius: 0 !important;
}

.accordion-custom .accordion-button:not(.collapsed) {
  background: var(--color-accent-light);
  color: var(--color-primary);
  box-shadow: none;
}

.accordion-custom .accordion-button:focus {
  box-shadow: none;
  outline: 2px solid var(--color-accent);
  outline-offset: -2px;
}

.accordion-custom .accordion-button::after {
  filter: invert(55%) sepia(16%) saturate(321%) hue-rotate(6deg) brightness(0.85);
}

.accordion-custom .accordion-body {
  padding: 16px 20px 18px 23px;
  color: var(--color-text-secondary);
  line-height: 1.85;
  background: var(--color-bg-light);
}

/* ============ SUBSCRIBE SECTION ============ */
.subscribe-section {
  background: var(--color-bg-dark);
  padding-top: 56px;
  padding-bottom: 56px;
}

.subscribe-box {
  max-width: 580px;
  margin: 0 auto;
  text-align: center;
}

.subscribe-box .section-title {
  color: #fff;
}

.subscribe-box .section-subtitle {
  color: rgba(255,255,255,0.72);
  margin-left: auto;
  margin-right: auto;
}

.subscribe-form {
  display: flex;
  gap: 10px;
  flex-wrap: wrap;
  justify-content: center;
}

.subscribe-form .form-control {
  flex: 1 1 280px;
  min-width: 0;
  background: #FBF8F1;
  border: 1px solid #D9CFC0;
  border-radius: 50rem;
  padding: 12px 20px;
  font-size: 15px;
  color: var(--color-text);
  transition: border-color var(--transition-fast), box-shadow var(--transition-fast);
}

.subscribe-form .form-control:focus {
  border-color: var(--color-accent);
  box-shadow: 0 0 0 .2rem rgba(201,138,61,.18);
  outline: none;
}

/* ============ TOPICS SECTION ============ */
.topics-section {
  background: var(--color-bg-light);
}

.topic-cloud {
  display: flex;
  flex-wrap: wrap;
  gap: 12px;
}

.topic-chip {
  display: inline-flex;
  align-items: center;
  gap: 6px;
  padding: 10px 20px;
  border-radius: 50rem;
  background: var(--color-bg);
  border: 1px solid var(--color-border);
  color: var(--color-primary);
  font-size: 14px;
  font-weight: 600;
  transition: all var(--transition-fast);
}

.topic-chip:hover {
  background: var(--color-accent);
  border-color: var(--color-accent);
  color: #fff;
  box-shadow: 0 6px 14px rgba(201,138,61,0.22);
}

.topic-chip i {
  font-size: 13px;
  opacity: 0.8;
}

/* ============ FOOTER ============ */
.site-footer {
  background: var(--color-bg-dark);
  color: rgba(255,255,255,0.72);
  padding-top: 56px;
  padding-bottom: 24px;
}

.site-footer .footer-grid {
  display: grid;
  grid-template-columns: 1.6fr 1fr 1fr 1.2fr;
  gap: 32px;
  margin-bottom: 36px;
}

.footer-brand {
  display: flex;
  align-items: center;
  gap: 10px;
  font-size: 18px;
  font-weight: 700;
  color: #fff;
  margin-bottom: 12px;
}

.footer-brand .brand-icon {
  background: rgba(255,255,255,0.06);
  color: var(--color-accent);
}

.footer-desc {
  font-size: 14px;
  line-height: 1.8;
  color: rgba(255,255,255,0.6);
  max-width: 360px;
  margin-bottom: 0;
}

.footer-col h4 {
  font-size: 15px;
  font-weight: 700;
  color: #fff;
  margin-bottom: 16px;
}

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

.footer-col ul li {
  margin-bottom: 10px;
}

.footer-col ul li a {
  color: rgba(255,255,255,0.62);
  font-size: 14px;
  text-decoration: none;
  transition: color var(--transition-fast);
}

.footer-col ul li a:hover {
  color: var(--color-accent);
}

.footer-bottom {
  border-top: 1px solid rgba(255,255,255,0.08);
  padding-top: 20px;
  display: flex;
  justify-content: space-between;
  gap: 16px;
  font-size: 13px;
  color: rgba(255,255,255,0.5);
  flex-wrap: wrap;
}

/* ============ RESPONSIVE ============ */
@media (max-width: 991.98px) {
  :root {
    --section-padding: 40px;
  }

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

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

@media (max-width: 767.98px) {
  :root {
    --section-padding: 32px;
  }

  .site-header .header-inner {
    flex-wrap: wrap;
    padding: 10px 16px;
    gap: 10px;
  }

  .site-header .brand {
    font-size: 17px;
  }

  .nav-chips {
    order: 3;
    width: 100%;
    padding: 6px 0;
  }

  .nav-cta {
    margin-left: auto;
  }

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

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

  .filter-scroll {
    width: 100%;
  }

  .ranking-scroll {
    gap: 12px;
  }

  .rank-card {
    flex: 0 0 170px;
  }

  .rank-number {
    font-size: 30px;
  }

  .subscribe-form {
    flex-direction: column;
  }

  .subscribe-form .form-control {
    flex: 1 1 auto;
  }
}

@media (max-width: 575.98px) {
  .card-grid {
    grid-template-columns: 1fr;
  }

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

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

/* roulang: framework shim */
/* 覆盖 Bootstrap 等对 a/btn 的全局默认，避免导航出现下划线/蓝链 */
.site-header a,.site-header a:hover,.navbar a,.navbar a:hover,.nav-links a,.nav-links a:hover,header nav a,header nav a:hover{text-decoration:none}
.site-header .btn,.navbar .btn,.nav-cta{text-decoration:none}