/* roulang page: index */
:root {
            --color-primary: #d4a33a;
            --color-primary-bright: #f0c75e;
            --color-primary-dark: #b8912f;
            --color-accent: #b3402a;
            --color-accent-hover: #d04a30;
            --color-bg: #171310;
            --color-bg-alt: #1a1614;
            --color-bg-card: #221c17;
            --color-bg-input: #2a231d;
            --color-text: #f5efe6;
            --color-text-secondary: #c7bca8;
            --color-text-muted: #a6987f;
            --color-border: #3a3128;
            --color-gold-transparent: rgba(212, 163, 58, 0.25);
            --color-gold-hover-border: rgba(212, 163, 58, 0.6);
            --radius-card: 6px;
            --radius-btn: 4px;
            --radius-sm: 3px;
            --shadow-card: 0 8px 24px rgba(0, 0, 0, 0.4);
            --shadow-card-hover: 0 14px 36px rgba(0, 0, 0, 0.6);
            --shadow-gold: 0 0 0 3px rgba(212, 163, 58, 0.35);
            --shadow-btn: 0 4px 12px rgba(212, 163, 58, 0.3);
            --transition-fast: 150ms ease;
            --transition-base: 200ms ease;
            --transition-slow: 300ms ease;
            --font-h1: clamp(2.1rem, 4.5vw, 2.75rem);
            --font-h2: clamp(1.6rem, 3vw, 2rem);
            --font-h3: clamp(1.2rem, 2vw, 1.5rem);
            --font-body: clamp(0.95rem, 1.1vw, 1.0625rem);
            --font-small: clamp(0.8rem, 0.9vw, 0.875rem);
            --font-data: clamp(2.2rem, 4vw, 3.25rem);
            --nav-height: 64px;
            --section-gap: clamp(3rem, 6vw, 5rem);
            --container-max: 1200px;
            --card-spacing: clamp(1rem, 2vw, 1.75rem);
        }

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

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

        body {
            font-family: "PingFang SC", "Hiragino Sans GB", "Microsoft YaHei", "Noto Sans SC", system-ui, -apple-system, sans-serif;
            background-color: var(--color-bg);
            color: var(--color-text);
            line-height: 1.9;
            font-size: var(--font-body);
            min-height: 100vh;
            overflow-x: hidden;
            -webkit-font-smoothing: antialiased;
            -moz-osx-font-smoothing: grayscale;
        }

        a {
            color: var(--color-primary);
            text-decoration: none;
            transition: color var(--transition-fast);
        }
        a:hover {
            color: var(--color-primary-bright);
        }
        a:focus-visible,
        button:focus-visible,
        input:focus-visible {
            outline: none;
            box-shadow: var(--shadow-gold);
            border-radius: var(--radius-sm);
        }

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

        .container {
            max-width: var(--container-max);
            margin: 0 auto;
            padding: 0 clamp(1.25rem, 3vw, 2rem);
        }

        .sr-only {
            position: absolute;
            width: 1px;
            height: 1px;
            padding: 0;
            margin: -1px;
            overflow: hidden;
            clip: rect(0, 0, 0, 0);
            white-space: nowrap;
            border: 0;
        }

        /* Header & Navigation */
        .site-header {
            position: sticky;
            top: 0;
            z-index: 1000;
            background-color: rgba(23, 19, 16, 0.97);
            border-bottom: 1px solid var(--color-border);
            height: var(--nav-height);
            display: flex;
            align-items: center;
            backdrop-filter: blur(12px);
            -webkit-backdrop-filter: blur(12px);
        }

        .nav-container {
            display: flex;
            align-items: center;
            justify-content: space-between;
            width: 100%;
            max-width: var(--container-max);
            margin: 0 auto;
            padding: 0 clamp(1.25rem, 3vw, 2rem);
        }

        .nav-logo {
            display: flex;
            align-items: center;
            gap: 0.5rem;
            font-weight: 700;
            font-size: 1.15rem;
            color: var(--color-primary);
            letter-spacing: 0.03em;
            white-space: nowrap;
        }
        .nav-logo:hover {
            color: var(--color-primary-bright);
        }
        .nav-logo-icon {
            display: inline-block;
            width: 28px;
            height: 28px;
            border: 2px solid var(--color-primary);
            border-radius: 50%;
            position: relative;
            flex-shrink: 0;
        }
        .nav-logo-icon::after {
            content: "";
            position: absolute;
            inset: 4px;
            border-radius: 50%;
            background: radial-gradient(circle, var(--color-primary-bright), var(--color-primary-dark));
        }

        .nav-menu {
            display: flex;
            align-items: center;
            gap: clamp(0.75rem, 2vw, 1.75rem);
            list-style: none;
        }
        .nav-menu li {
            position: relative;
        }
        .nav-menu a {
            color: var(--color-text-muted);
            font-size: 0.9rem;
            font-weight: 500;
            padding: 0.5rem 0;
            letter-spacing: 0.01em;
            position: relative;
            white-space: nowrap;
            transition: color var(--transition-fast);
        }
        .nav-menu a:hover {
            color: var(--color-primary-bright);
        }
        .nav-menu a.nav-active {
            color: var(--color-primary);
        }
        .nav-menu a.nav-active::after {
            content: "";
            position: absolute;
            bottom: -2px;
            left: 0;
            right: 0;
            height: 2px;
            background: var(--color-primary);
            border-radius: 1px;
        }

        .nav-cta {
            background: transparent;
            border: 1.5px solid var(--color-primary);
            color: var(--color-primary);
            padding: 0.45rem 1.1rem;
            font-size: 0.85rem;
            font-weight: 600;
            border-radius: var(--radius-btn);
            cursor: pointer;
            white-space: nowrap;
            transition: all var(--transition-fast);
            letter-spacing: 0.02em;
        }
        .nav-cta:hover {
            background: var(--color-primary);
            color: var(--color-bg);
            box-shadow: var(--shadow-btn);
            transform: translateY(-1px);
        }
        .nav-cta:active {
            transform: translateY(0);
        }

        .nav-toggle {
            display: none;
            flex-direction: column;
            gap: 5px;
            background: transparent;
            border: none;
            cursor: pointer;
            padding: 8px 4px;
            z-index: 1100;
        }
        .nav-toggle span {
            display: block;
            width: 24px;
            height: 2px;
            background: var(--color-text);
            transition: all var(--transition-base);
            border-radius: 1px;
        }
        .nav-toggle.active span:nth-child(1) {
            transform: translateY(7px) rotate(45deg);
        }
        .nav-toggle.active span:nth-child(2) {
            opacity: 0;
        }
        .nav-toggle.active span:nth-child(3) {
            transform: translateY(-7px) rotate(-45deg);
        }

        @media (max-width: 991px) {
            .nav-toggle {
                display: flex;
            }
            .nav-menu {
                position: fixed;
                top: var(--nav-height);
                right: 0;
                bottom: 0;
                width: min(80vw, 320px);
                background: var(--color-bg-alt);
                border-left: 1px solid var(--color-border);
                flex-direction: column;
                align-items: flex-start;
                justify-content: flex-start;
                padding: 2rem 1.5rem;
                gap: 1rem;
                transform: translateX(100%);
                transition: transform var(--transition-slow);
                z-index: 1050;
                overflow-y: auto;
            }
            .nav-menu.open {
                transform: translateX(0);
            }
            .nav-menu a {
                font-size: 1.05rem;
                padding: 0.6rem 0;
                display: block;
                width: 100%;
            }
            .nav-cta {
                display: none;
            }
        }

        /* Hero Section */
        .hero {
            position: relative;
            min-height: clamp(480px, 70vh, 680px);
            display: flex;
            align-items: center;
            background-image: url('/assets/images/6ae641cf52f79fcd.jpg');
            background-size: cover;
            background-position: center center;
            background-repeat: no-repeat;
            isolation: isolate;
            border-bottom: 1px solid var(--color-border);
        }
        .hero::before {
            content: "";
            position: absolute;
            inset: 0;
            background: linear-gradient(135deg, rgba(23, 19, 16, 0.92) 0%, rgba(23, 19, 16, 0.7) 45%, rgba(23, 19, 16, 0.55) 100%);
            z-index: 1;
        }
        .hero::after {
            content: "";
            position: absolute;
            bottom: 0;
            left: 0;
            right: 0;
            height: 4px;
            background: linear-gradient(90deg, var(--color-primary), var(--color-accent), var(--color-primary));
            z-index: 2;
        }
        .hero-content {
            position: relative;
            z-index: 3;
            max-width: 720px;
            padding: calc(var(--section-gap) * 0.8) 0;
        }
        .hero-badge {
            display: inline-block;
            background: rgba(212, 163, 58, 0.15);
            border: 1px solid var(--color-gold-transparent);
            color: var(--color-primary-bright);
            font-size: 0.8rem;
            font-weight: 600;
            letter-spacing: 0.08em;
            padding: 0.3rem 0.9rem;
            border-radius: var(--radius-sm);
            margin-bottom: 1.25rem;
            text-transform: uppercase;
        }
        .hero h1 {
            font-size: var(--font-h1);
            font-weight: 800;
            letter-spacing: 0.02em;
            line-height: 1.25;
            margin-bottom: 1.25rem;
            background: linear-gradient(135deg, #f5e6c4 0%, var(--color-primary-bright) 35%, var(--color-primary) 70%, #e8c86a 100%);
            -webkit-background-clip: text;
            background-clip: text;
            color: transparent;
            -webkit-text-fill-color: transparent;
        }
        .hero-subtitle {
            font-size: 1.1rem;
            color: var(--color-text-secondary);
            line-height: 2;
            max-width: 580px;
            margin-bottom: 2rem;
        }
        .hero-actions {
            display: flex;
            flex-wrap: wrap;
            gap: 1rem;
            align-items: center;
        }
        .btn-primary {
            background: linear-gradient(135deg, var(--color-primary) 0%, var(--color-primary-bright) 100%);
            color: var(--color-bg);
            padding: 0.8rem 2rem;
            font-size: 0.95rem;
            font-weight: 700;
            border-radius: var(--radius-btn);
            border: none;
            cursor: pointer;
            letter-spacing: 0.03em;
            transition: all var(--transition-fast);
            display: inline-flex;
            align-items: center;
            gap: 0.35rem;
            white-space: nowrap;
        }
        .btn-primary:hover {
            background: var(--color-primary-bright);
            color: var(--color-bg);
            box-shadow: 0 8px 24px rgba(212, 163, 58, 0.4);
            transform: translateY(-2px);
        }
        .btn-primary:active {
            transform: translateY(0);
            box-shadow: 0 2px 8px rgba(212, 163, 58, 0.3);
        }
        .btn-outline {
            background: transparent;
            border: 1.5px solid var(--color-primary);
            color: var(--color-primary);
            padding: 0.8rem 1.75rem;
            font-size: 0.95rem;
            font-weight: 600;
            border-radius: var(--radius-btn);
            cursor: pointer;
            letter-spacing: 0.03em;
            transition: all var(--transition-fast);
            display: inline-flex;
            align-items: center;
            gap: 0.35rem;
            white-space: nowrap;
        }
        .btn-outline:hover {
            background: var(--color-primary);
            color: var(--color-bg);
            box-shadow: var(--shadow-btn);
            transform: translateY(-2px);
        }
        .btn-outline:active {
            transform: translateY(0);
        }
        .btn-accent {
            background: var(--color-accent);
            color: #fff;
            padding: 0.8rem 1.75rem;
            font-size: 0.95rem;
            font-weight: 700;
            border-radius: var(--radius-btn);
            border: none;
            cursor: pointer;
            letter-spacing: 0.03em;
            transition: all var(--transition-fast);
            display: inline-flex;
            align-items: center;
            gap: 0.35rem;
            white-space: nowrap;
        }
        .btn-accent:hover {
            background: var(--color-accent-hover);
            box-shadow: 0 8px 24px rgba(179, 64, 42, 0.45);
            transform: translateY(-2px);
        }
        .btn-accent:active {
            transform: translateY(0);
        }

        /* Section Base */
        .section {
            padding: var(--section-gap) 0;
            border-bottom: 1px solid var(--color-border);
        }
        .section-alt {
            background-color: var(--color-bg-alt);
        }
        .section-header {
            max-width: 760px;
            margin-bottom: clamp(1.5rem, 3vw, 2.5rem);
        }
        .section-header .section-tag {
            display: inline-block;
            color: var(--color-primary);
            font-size: 0.8rem;
            font-weight: 600;
            letter-spacing: 0.08em;
            margin-bottom: 0.6rem;
            text-transform: uppercase;
        }
        .section-header h2 {
            font-size: var(--font-h2);
            font-weight: 700;
            letter-spacing: 0.02em;
            line-height: 1.3;
            color: var(--color-text);
            margin-bottom: 0.6rem;
        }
        .section-header p {
            font-size: 0.95rem;
            color: var(--color-text-secondary);
            line-height: 2;
            max-width: 680px;
        }

        /* Data Stats Bar */
        .data-stats {
            display: grid;
            grid-template-columns: repeat(6, 1fr);
            gap: 1rem;
            margin-top: 0.5rem;
        }
        .stat-card {
            background: var(--color-bg-card);
            border: 1px solid var(--color-border);
            border-radius: var(--radius-card);
            padding: 1.25rem 1rem;
            text-align: center;
            box-shadow: var(--shadow-card);
            transition: all var(--transition-base);
        }
        .stat-card:hover {
            border-color: var(--color-gold-hover-border);
            box-shadow: var(--shadow-card-hover);
            transform: translateY(-2px);
        }
        .stat-number {
            font-size: var(--font-data);
            font-weight: 800;
            color: var(--color-primary);
            line-height: 1.2;
            letter-spacing: 0.01em;
            display: block;
            margin-bottom: 0.35rem;
            background: linear-gradient(135deg, var(--color-primary-bright), var(--color-primary));
            -webkit-background-clip: text;
            background-clip: text;
            color: transparent;
            -webkit-text-fill-color: transparent;
        }
        .stat-label {
            font-size: var(--font-small);
            color: var(--color-text-muted);
            letter-spacing: 0.03em;
            font-weight: 500;
        }

        /* Data Overview Cards */
        .card-grid-3 {
            display: grid;
            grid-template-columns: repeat(3, 1fr);
            gap: var(--card-spacing);
        }
        .data-card {
            background: var(--color-bg-card);
            border: 1px solid var(--color-border);
            border-radius: var(--radius-card);
            overflow: hidden;
            box-shadow: var(--shadow-card);
            transition: all var(--transition-base);
            display: flex;
            flex-direction: column;
        }
        .data-card:hover {
            border-color: var(--color-gold-hover-border);
            box-shadow: var(--shadow-card-hover);
            transform: translateY(-2px);
        }
        .data-card-img {
            aspect-ratio: 16 / 9;
            overflow: hidden;
            background-color: #2a231d;
            position: relative;
        }
        .data-card-img img {
            width: 100%;
            height: 100%;
            object-fit: cover;
            transition: transform var(--transition-slow);
        }
        .data-card:hover .data-card-img img {
            transform: scale(1.04);
        }
        .data-card-body {
            padding: 1.25rem 1.35rem 1.5rem;
            flex: 1;
            display: flex;
            flex-direction: column;
        }
        .data-card-body h3 {
            font-size: 1.15rem;
            font-weight: 600;
            color: var(--color-text);
            margin-bottom: 0.5rem;
            letter-spacing: 0.01em;
        }
        .data-card-body p {
            font-size: 0.88rem;
            color: var(--color-text-secondary);
            line-height: 1.85;
            flex: 1;
            margin-bottom: 0.9rem;
        }
        .card-link {
            display: inline-flex;
            align-items: center;
            gap: 0.3rem;
            font-size: 0.85rem;
            font-weight: 600;
            color: var(--color-primary);
            transition: all var(--transition-fast);
            letter-spacing: 0.02em;
        }
        .card-link:hover {
            color: var(--color-primary-bright);
            gap: 0.5rem;
        }

        /* Ranking Section */
        .ranking-wrap {
            background: var(--color-bg-card);
            border: 1px solid var(--color-border);
            border-radius: var(--radius-card);
            box-shadow: var(--shadow-card);
            overflow: hidden;
        }
        .ranking-header {
            display: grid;
            grid-template-columns: 60px 1fr 120px 100px;
            padding: 0.9rem 1.5rem;
            background: rgba(212, 163, 58, 0.08);
            border-bottom: 1px solid var(--color-border);
            font-size: 0.8rem;
            font-weight: 600;
            color: var(--color-text-muted);
            letter-spacing: 0.05em;
            text-transform: uppercase;
        }
        .ranking-row {
            display: grid;
            grid-template-columns: 60px 1fr 120px 100px;
            padding: 1rem 1.5rem;
            border-bottom: 1px solid var(--color-border);
            align-items: center;
            transition: background var(--transition-fast);
            font-size: 0.9rem;
        }
        .ranking-row:last-child {
            border-bottom: none;
        }
        .ranking-row:hover {
            background: rgba(212, 163, 58, 0.05);
        }
        .rank-num {
            font-weight: 800;
            font-size: 1.3rem;
            color: var(--color-text-muted);
            letter-spacing: 0.02em;
        }
        .rank-num.top1 {
            color: var(--color-primary-bright);
            font-size: 1.5rem;
        }
        .rank-num.top2 {
            color: #d4d4d4;
            font-size: 1.4rem;
        }
        .rank-num.top3 {
            color: #cd8c3f;
            font-size: 1.35rem;
        }
        .rank-player {
            font-weight: 600;
            color: var(--color-text);
            letter-spacing: 0.01em;
        }
        .rank-bounty {
            font-weight: 700;
            color: var(--color-primary);
            letter-spacing: 0.02em;
        }
        .rank-games {
            color: var(--color-text-muted);
            font-variant-numeric: tabular-nums;
        }

        /* Strategy Cards */
        .card-grid-3 .strategy-card {
            background: var(--color-bg-card);
            border: 1px solid var(--color-border);
            border-radius: var(--radius-card);
            overflow: hidden;
            box-shadow: var(--shadow-card);
            transition: all var(--transition-base);
            display: flex;
            flex-direction: column;
        }
        .strategy-card:hover {
            border-color: var(--color-gold-hover-border);
            box-shadow: var(--shadow-card-hover);
            transform: translateY(-2px);
        }
        .strategy-card-img {
            aspect-ratio: 16 / 9;
            overflow: hidden;
            background-color: #2a231d;
        }
        .strategy-card-img img {
            width: 100%;
            height: 100%;
            object-fit: cover;
            transition: transform var(--transition-slow);
        }
        .strategy-card:hover .strategy-card-img img {
            transform: scale(1.04);
        }
        .strategy-card-body {
            padding: 1.25rem 1.35rem 1.5rem;
            flex: 1;
            display: flex;
            flex-direction: column;
        }
        .strategy-card-body h3 {
            font-size: 1.1rem;
            font-weight: 600;
            color: var(--color-text);
            margin-bottom: 0.5rem;
        }
        .strategy-card-body p {
            font-size: 0.88rem;
            color: var(--color-text-secondary);
            line-height: 1.85;
            flex: 1;
            margin-bottom: 0.9rem;
        }

        /* Battle Focus */
        .battle-focus {
            display: grid;
            grid-template-columns: 1fr 1fr;
            gap: clamp(1.5rem, 3vw, 2.5rem);
            align-items: center;
        }
        .battle-focus-text {
            padding-right: 0.5rem;
        }
        .battle-focus-text h3 {
            font-size: var(--font-h3);
            font-weight: 700;
            color: var(--color-text);
            margin-bottom: 0.8rem;
            letter-spacing: 0.01em;
        }
        .battle-focus-text p {
            font-size: 0.92rem;
            color: var(--color-text-secondary);
            line-height: 2;
            margin-bottom: 1rem;
        }
        .battle-focus-img {
            aspect-ratio: 4 / 3;
            overflow: hidden;
            border-radius: var(--radius-card);
            border: 1px solid var(--color-border);
            box-shadow: var(--shadow-card);
            background-color: #2a231d;
        }
        .battle-focus-img img {
            width: 100%;
            height: 100%;
            object-fit: cover;
            transition: transform var(--transition-slow);
        }
        .battle-focus-img:hover img {
            transform: scale(1.03);
        }
        .tag-list {
            display: flex;
            flex-wrap: wrap;
            gap: 0.5rem;
            margin-bottom: 1rem;
        }
        .tag {
            display: inline-block;
            background: rgba(212, 163, 58, 0.12);
            border: 1px solid var(--color-gold-transparent);
            color: var(--color-primary-bright);
            font-size: 0.75rem;
            font-weight: 500;
            padding: 0.25rem 0.7rem;
            border-radius: var(--radius-sm);
            letter-spacing: 0.04em;
        }

        /* Deep Analysis */
        .analysis-grid {
            display: grid;
            grid-template-columns: 1fr 1fr;
            gap: clamp(1.5rem, 3vw, 2.5rem);
            align-items: start;
        }
        .analysis-chart {
            background: var(--color-bg-card);
            border: 1px solid var(--color-border);
            border-radius: var(--radius-card);
            padding: 1.5rem;
            box-shadow: var(--shadow-card);
            min-height: 260px;
            display: flex;
            align-items: flex-end;
            gap: 0.8rem;
        }
        .chart-bar {
            flex: 1;
            background: linear-gradient(180deg, var(--color-primary-bright), var(--color-primary-dark));
            border-radius: 2px 2px 0 0;
            min-height: 20px;
            position: relative;
            transition: all var(--transition-base);
        }
        .chart-bar:hover {
            background: linear-gradient(180deg, #ffe9a8, var(--color-primary));
            transform: translateY(-2px);
        }
        .chart-label {
            text-align: center;
            font-size: 0.7rem;
            color: var(--color-text-muted);
            margin-top: 0.4rem;
            letter-spacing: 0.02em;
        }
        .analysis-text h3 {
            font-size: var(--font-h3);
            font-weight: 700;
            color: var(--color-text);
            margin-bottom: 0.8rem;
        }
        .analysis-text p {
            font-size: 0.92rem;
            color: var(--color-text-secondary);
            line-height: 2;
            margin-bottom: 1rem;
        }
        .insight-list {
            list-style: none;
            margin-top: 0.5rem;
        }
        .insight-list li {
            padding: 0.5rem 0;
            border-bottom: 1px solid var(--color-border);
            font-size: 0.9rem;
            color: var(--color-text-secondary);
            display: flex;
            align-items: flex-start;
            gap: 0.6rem;
            line-height: 1.7;
        }
        .insight-list li::before {
            content: "◆";
            color: var(--color-primary);
            font-size: 0.6rem;
            margin-top: 0.55rem;
            flex-shrink: 0;
        }

        /* Brand About */
        .about-brand {
            display: grid;
            grid-template-columns: 1fr 1fr;
            gap: clamp(1.5rem, 3vw, 2.5rem);
            align-items: center;
        }
        .about-brand-text h3 {
            font-size: var(--font-h3);
            font-weight: 700;
            color: var(--color-text);
            margin-bottom: 0.8rem;
        }
        .about-brand-text p {
            font-size: 0.92rem;
            color: var(--color-text-secondary);
            line-height: 2.1;
            margin-bottom: 1rem;
        }
        .about-brand-img {
            aspect-ratio: 4 / 3;
            overflow: hidden;
            border-radius: var(--radius-card);
            border: 1px solid var(--color-border);
            box-shadow: var(--shadow-card);
            background-color: #2a231d;
        }
        .about-brand-img img {
            width: 100%;
            height: 100%;
            object-fit: cover;
            transition: transform var(--transition-slow);
        }
        .about-brand-img:hover img {
            transform: scale(1.03);
        }

        /* Achievements */
        .card-grid-3 .achievement-card {
            background: var(--color-bg-card);
            border: 1px solid var(--color-border);
            border-radius: var(--radius-card);
            overflow: hidden;
            box-shadow: var(--shadow-card);
            transition: all var(--transition-base);
        }
        .achievement-card:hover {
            border-color: var(--color-gold-hover-border);
            box-shadow: var(--shadow-card-hover);
            transform: translateY(-2px);
        }
        .achievement-img {
            aspect-ratio: 4 / 3;
            overflow: hidden;
            background-color: #2a231d;
        }
        .achievement-img img {
            width: 100%;
            height: 100%;
            object-fit: cover;
            transition: transform var(--transition-slow);
        }
        .achievement-card:hover .achievement-img img {
            transform: scale(1.04);
        }
        .achievement-body {
            padding: 1.25rem 1.35rem 1.5rem;
        }
        .achievement-body h3 {
            font-size: 1.05rem;
            font-weight: 600;
            color: var(--color-text);
            margin-bottom: 0.5rem;
        }
        .achievement-body p {
            font-size: 0.88rem;
            color: var(--color-text-secondary);
            line-height: 1.85;
        }

        /* Guide Topics */
        .guide-list {
            display: grid;
            grid-template-columns: 1fr;
            gap: 0.8rem;
        }
        .guide-item {
            display: flex;
            align-items: center;
            justify-content: space-between;
            background: var(--color-bg-card);
            border: 1px solid var(--color-border);
            border-radius: var(--radius-card);
            padding: 1rem 1.4rem;
            transition: all var(--transition-fast);
            cursor: pointer;
        }
        .guide-item:hover {
            border-color: var(--color-gold-hover-border);
            background: rgba(212, 163, 58, 0.06);
            transform: translateX(4px);
        }
        .guide-item-left {
            display: flex;
            align-items: center;
            gap: 1rem;
        }
        .guide-item-icon {
            width: 36px;
            height: 36px;
            border-radius: 50%;
            background: rgba(212, 163, 58, 0.15);
            border: 1px solid var(--color-gold-transparent);
            display: flex;
            align-items: center;
            justify-content: center;
            font-weight: 700;
            color: var(--color-primary);
            font-size: 0.9rem;
            flex-shrink: 0;
        }
        .guide-item-title {
            font-weight: 600;
            color: var(--color-text);
            font-size: 0.95rem;
            letter-spacing: 0.01em;
        }
        .guide-item-arrow {
            color: var(--color-primary);
            font-weight: 700;
            font-size: 1.1rem;
            transition: transform var(--transition-fast);
        }
        .guide-item:hover .guide-item-arrow {
            transform: translateX(4px);
        }

        /* Probability Insight */
        .probability-wrap {
            background: var(--color-bg-card);
            border: 1px solid var(--color-border);
            border-radius: var(--radius-card);
            padding: clamp(1.5rem, 3vw, 2.5rem);
            box-shadow: var(--shadow-card);
            display: grid;
            grid-template-columns: 1fr 1fr;
            gap: clamp(1.5rem, 3vw, 2rem);
        }
        .probability-text h3 {
            font-size: var(--font-h3);
            font-weight: 700;
            color: var(--color-text);
            margin-bottom: 0.8rem;
        }
        .probability-text p {
            font-size: 0.92rem;
            color: var(--color-text-secondary);
            line-height: 2;
            margin-bottom: 1rem;
        }
        .prob-grid {
            display: grid;
            grid-template-columns: 1fr 1fr;
            gap: 1rem;
        }
        .prob-item {
            background: rgba(42, 35, 29, 0.7);
            border: 1px solid var(--color-border);
            border-radius: var(--radius-sm);
            padding: 1rem 1.25rem;
            text-align: center;
            transition: all var(--transition-fast);
        }
        .prob-item:hover {
            border-color: var(--color-gold-hover-border);
        }
        .prob-number {
            font-size: 1.6rem;
            font-weight: 800;
            color: var(--color-primary);
            display: block;
            line-height: 1.2;
            margin-bottom: 0.3rem;
            letter-spacing: 0.02em;
        }
        .prob-label {
            font-size: 0.78rem;
            color: var(--color-text-muted);
            letter-spacing: 0.04em;
        }

        /* FAQ */
        .faq-list {
            display: flex;
            flex-direction: column;
            gap: 0.7rem;
            max-width: 820px;
        }
        .faq-item {
            background: var(--color-bg-card);
            border: 1px solid var(--color-border);
            border-radius: var(--radius-card);
            overflow: hidden;
            transition: border-color var(--transition-fast);
        }
        .faq-item:hover {
            border-color: var(--color-gold-hover-border);
        }
        .faq-question {
            width: 100%;
            background: transparent;
            border: none;
            padding: 1.1rem 1.4rem;
            display: flex;
            align-items: center;
            justify-content: space-between;
            gap: 1rem;
            cursor: pointer;
            font-size: 0.95rem;
            font-weight: 600;
            color: var(--color-text);
            text-align: left;
            letter-spacing: 0.01em;
            transition: color var(--transition-fast);
        }
        .faq-question:hover {
            color: var(--color-primary);
        }
        .faq-arrow {
            font-size: 1.2rem;
            color: var(--color-primary);
            transition: transform var(--transition-base);
            flex-shrink: 0;
            line-height: 1;
        }
        .faq-item.open .faq-arrow {
            transform: rotate(45deg);
        }
        .faq-answer {
            max-height: 0;
            overflow: hidden;
            transition: max-height var(--transition-slow), padding var(--transition-slow);
            padding: 0 1.4rem;
        }
        .faq-item.open .faq-answer {
            max-height: 300px;
            padding-bottom: 1.2rem;
        }
        .faq-answer p {
            font-size: 0.88rem;
            color: var(--color-text-secondary);
            line-height: 2;
        }

        /* News Updates */
        .news-list {
            display: flex;
            flex-direction: column;
            gap: 0.7rem;
        }
        .news-item {
            display: flex;
            align-items: center;
            gap: 1.2rem;
            background: var(--color-bg-card);
            border: 1px solid var(--color-border);
            border-radius: var(--radius-card);
            padding: 0.9rem 1.4rem;
            transition: all var(--transition-fast);
        }
        .news-item:hover {
            border-color: var(--color-gold-hover-border);
            transform: translateX(4px);
        }
        .news-date {
            font-size: 0.78rem;
            color: var(--color-text-muted);
            font-weight: 500;
            white-space: nowrap;
            letter-spacing: 0.03em;
            min-width: 70px;
        }
        .news-text {
            font-size: 0.9rem;
            color: var(--color-text-secondary);
            line-height: 1.7;
            flex: 1;
        }
        .news-badge {
            display: inline-block;
            background: var(--color-accent);
            color: #fff;
            font-size: 0.68rem;
            font-weight: 700;
            padding: 0.15rem 0.6rem;
            border-radius: 2px;
            letter-spacing: 0.05em;
            white-space: nowrap;
            flex-shrink: 0;
        }

        /* CTA Section */
        .cta-section {
            padding: var(--section-gap) 0;
            background: linear-gradient(135deg, rgba(212, 163, 58, 0.12) 0%, rgba(179, 64, 42, 0.08) 100%);
            border-bottom: 1px solid var(--color-border);
            text-align: center;
        }
        .cta-section h2 {
            font-size: var(--font-h2);
            font-weight: 700;
            color: var(--color-text);
            letter-spacing: 0.02em;
            margin-bottom: 0.8rem;
        }
        .cta-section p {
            font-size: 1rem;
            color: var(--color-text-secondary);
            max-width: 560px;
            margin: 0 auto 1.5rem;
            line-height: 2;
        }
        .cta-actions {
            display: flex;
            flex-wrap: wrap;
            gap: 1rem;
            justify-content: center;
            align-items: center;
        }

        /* Subscribe */
        .subscribe-wrap {
            display: grid;
            grid-template-columns: 1fr 1fr;
            gap: clamp(1.5rem, 3vw, 2.5rem);
            align-items: center;
            max-width: 950px;
            margin: 0 auto;
        }
        .subscribe-info h3 {
            font-size: var(--font-h3);
            font-weight: 700;
            color: var(--color-text);
            margin-bottom: 0.6rem;
        }
        .subscribe-info p {
            font-size: 0.9rem;
            color: var(--color-text-secondary);
            line-height: 2;
        }
        .subscribe-form {
            display: flex;
            flex-direction: column;
            gap: 0.8rem;
        }
        .subscribe-form input[type="email"] {
            background: var(--color-bg-input);
            border: 1.5px solid var(--color-gold-transparent);
            border-radius: var(--radius-btn);
            padding: 0.75rem 1.25rem;
            font-size: 0.9rem;
            color: var(--color-text);
            letter-spacing: 0.02em;
            transition: all var(--transition-fast);
            font-family: inherit;
        }
        .subscribe-form input[type="email"]::placeholder {
            color: var(--color-text-muted);
            opacity: 0.7;
        }
        .subscribe-form input[type="email"]:focus {
            outline: none;
            border-color: var(--color-primary);
            box-shadow: var(--shadow-gold);
        }
        .form-submit {
            background: linear-gradient(135deg, var(--color-primary) 0%, var(--color-primary-bright) 100%);
            color: var(--color-bg);
            padding: 0.75rem 1.75rem;
            font-size: 0.95rem;
            font-weight: 700;
            border-radius: var(--radius-btn);
            border: none;
            cursor: pointer;
            letter-spacing: 0.03em;
            transition: all var(--transition-fast);
            font-family: inherit;
            white-space: nowrap;
        }
        .form-submit:hover {
            background: var(--color-primary-bright);
            box-shadow: 0 8px 24px rgba(212, 163, 58, 0.4);
            transform: translateY(-2px);
        }
        .form-submit:active {
            transform: translateY(0);
        }

        /* Footer */
        .site-footer {
            background-color: #100d0b;
            border-top: 1px solid var(--color-border);
            padding: clamp(2.5rem, 5vw, 4rem) 0 0;
        }
        .footer-grid {
            display: grid;
            grid-template-columns: 2fr 1fr 1fr 1fr;
            gap: clamp(1.5rem, 3vw, 2.5rem);
            padding-bottom: 2.5rem;
            border-bottom: 1px solid var(--color-border);
        }
        .footer-brand h3 {
            font-size: 1.2rem;
            font-weight: 700;
            color: var(--color-primary);
            margin-bottom: 0.7rem;
            letter-spacing: 0.02em;
        }
        .footer-brand p {
            font-size: 0.85rem;
            color: var(--color-text-muted);
            line-height: 1.9;
            max-width: 260px;
        }
        .footer-col h4 {
            font-size: 0.85rem;
            font-weight: 700;
            color: var(--color-text);
            margin-bottom: 0.7rem;
            letter-spacing: 0.05em;
            text-transform: uppercase;
        }
        .footer-col ul {
            list-style: none;
            display: flex;
            flex-direction: column;
            gap: 0.45rem;
        }
        .footer-col a {
            color: var(--color-text-muted);
            font-size: 0.84rem;
            transition: color var(--transition-fast);
            letter-spacing: 0.02em;
        }
        .footer-col a:hover {
            color: var(--color-primary);
        }
        .footer-bottom {
            padding: 1.5rem 0;
            display: flex;
            flex-wrap: wrap;
            align-items: center;
            justify-content: space-between;
            gap: 1rem;
            font-size: 0.78rem;
            color: var(--color-text-muted);
        }
        .footer-bottom-links {
            display: flex;
            flex-wrap: wrap;
            gap: 1.2rem;
            align-items: center;
        }
        .footer-bottom-links a {
            color: var(--color-text-muted);
            font-size: 0.78rem;
            transition: color var(--transition-fast);
            letter-spacing: 0.02em;
        }
        .footer-bottom-links a:hover {
            color: var(--color-primary);
        }
        .footer-bottom-links span {
            color: var(--color-border);
            user-select: none;
        }

        /* Responsive */
        @media (max-width: 1024px) {
            .data-stats {
                grid-template-columns: repeat(3, 1fr);
            }
            .card-grid-3 {
                grid-template-columns: repeat(2, 1fr);
            }
            .battle-focus,
            .analysis-grid,
            .about-brand,
            .subscribe-wrap {
                grid-template-columns: 1fr;
            }
            .battle-focus-text {
                padding-right: 0;
            }
            .footer-grid {
                grid-template-columns: 1.5fr 1fr 1fr;
            }
            .footer-brand {
                grid-column: 1 / -1;
            }
        }

        @media (max-width: 768px) {
            .data-stats {
                grid-template-columns: repeat(2, 1fr);
            }
            .card-grid-3 {
                grid-template-columns: 1fr;
            }
            .ranking-header,
            .ranking-row {
                grid-template-columns: 40px 1fr 90px 70px;
                padding: 0.7rem 1rem;
                font-size: 0.8rem;
            }
            .rank-num {
                font-size: 1.1rem;
            }
            .rank-num.top1 {
                font-size: 1.25rem;
            }
            .rank-num.top2 {
                font-size: 1.15rem;
            }
            .rank-num.top3 {
                font-size: 1.12rem;
            }
            .probability-wrap {
                grid-template-columns: 1fr;
            }
            .footer-grid {
                grid-template-columns: 1fr 1fr;
                gap: 1.5rem;
            }
            .footer-brand {
                grid-column: 1 / -1;
            }
            .footer-bottom {
                flex-direction: column;
                text-align: center;
                justify-content: center;
            }
            .footer-bottom-links {
                justify-content: center;
            }
            .hero {
                min-height: 520px;
            }
            .hero h1 {
                font-size: clamp(1.8rem, 4vw, 2.2rem);
            }
            .section {
                padding: 2.5rem 0;
            }
        }

        @media (max-width: 520px) {
            .data-stats {
                grid-template-columns: repeat(2, 1fr);
                gap: 0.7rem;
            }
            .stat-card {
                padding: 0.9rem 0.7rem;
            }
            .stat-number {
                font-size: 1.7rem;
            }
            .ranking-header,
            .ranking-row {
                grid-template-columns: 32px 1fr 70px 55px;
                padding: 0.6rem 0.7rem;
                font-size: 0.75rem;
                gap: 0.3rem;
            }
            .rank-bounty {
                font-size: 0.78rem;
            }
            .hero-actions {
                flex-direction: column;
                align-items: flex-start;
                width: 100%;
            }
            .hero-actions .btn-primary,
            .hero-actions .btn-outline,
            .hero-actions .btn-accent {
                width: 100%;
                justify-content: center;
            }
            .footer-grid {
                grid-template-columns: 1fr;
            }
            .footer-brand {
                grid-column: auto;
            }
            .cta-actions {
                flex-direction: column;
                width: 100%;
            }
            .cta-actions .btn-primary,
            .cta-actions .btn-outline,
            .cta-actions .btn-accent {
                width: 100%;
                justify-content: center;
            }
            .subscribe-form input[type="email"],
            .form-submit {
                width: 100%;
            }
            .nav-container {
                padding: 0 1rem;
            }
        }

/* roulang page: category1 */
:root {
            --color-primary: #d4a33a;
            --color-primary-bright: #f0c75e;
            --color-primary-dark: #b8912f;
            --color-accent: #b3402a;
            --color-accent-hover: #d04a30;
            --color-bg: #171310;
            --color-bg-alt: #1a1614;
            --color-bg-card: #221c17;
            --color-bg-input: #2a231d;
            --color-text: #f5efe6;
            --color-text-secondary: #c7bca8;
            --color-text-muted: #a6987f;
            --color-border: #3a3128;
            --color-gold-transparent: rgba(212, 163, 58, 0.25);
            --color-gold-hover-border: rgba(212, 163, 58, 0.6);
            --radius-card: 6px;
            --radius-btn: 4px;
            --radius-sm: 3px;
            --shadow-card: 0 8px 24px rgba(0, 0, 0, 0.4);
            --shadow-card-hover: 0 14px 36px rgba(0, 0, 0, 0.6);
            --shadow-gold: 0 0 0 3px rgba(212, 163, 58, 0.35);
            --shadow-btn: 0 4px 12px rgba(212, 163, 58, 0.3);
            --transition-fast: 150ms ease;
            --transition-base: 200ms ease;
            --transition-slow: 300ms ease;
            --font-h1: clamp(2.1rem, 4.5vw, 2.75rem);
            --font-h2: clamp(1.6rem, 3vw, 2rem);
            --font-h3: clamp(1.2rem, 2vw, 1.5rem);
            --font-body: clamp(0.95rem, 1.1vw, 1.0625rem);
            --font-small: clamp(0.8rem, 0.9vw, 0.875rem);
            --font-data: clamp(2.2rem, 4vw, 3.25rem);
            --nav-height: 64px;
            --section-gap: clamp(3rem, 6vw, 5rem);
            --container-max: 1200px;
            --card-spacing: clamp(1rem, 2vw, 1.75rem);
        }

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

        body {
            font-family: "PingFang SC", "Hiragino Sans GB", "Microsoft YaHei", "Noto Sans SC", system-ui, -apple-system, sans-serif;
            background-color: var(--color-bg);
            color: var(--color-text);
            line-height: 1.9;
            font-size: var(--font-body);
            min-height: 100vh;
            overflow-x: hidden;
            -webkit-font-smoothing: antialiased;
            -moz-osx-font-smoothing: grayscale;
        }

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

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

        a:focus-visible,
        button:focus-visible,
        input:focus-visible {
            outline: none;
            box-shadow: var(--shadow-gold);
            border-radius: var(--radius-sm);
        }

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

        .container {
            max-width: var(--container-max);
            margin: 0 auto;
            padding: 0 clamp(1.25rem, 3vw, 2rem);
        }

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

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

        /* Header & Navigation */
        .site-header {
            position: sticky;
            top: 0;
            z-index: 1000;
            background-color: rgba(23, 19, 16, 0.97);
            border-bottom: 1px solid var(--color-border);
            height: var(--nav-height);
            display: flex;
            align-items: center;
            backdrop-filter: blur(12px);
            -webkit-backdrop-filter: blur(12px);
        }

        .nav-container {
            display: flex;
            align-items: center;
            justify-content: space-between;
            width: 100%;
            max-width: var(--container-max);
            margin: 0 auto;
            padding: 0 clamp(1.25rem, 3vw, 2rem);
            gap: 1rem;
        }

        .nav-logo {
            display: flex;
            align-items: center;
            gap: 0.5rem;
            font-weight: 700;
            font-size: 1.15rem;
            color: var(--color-primary);
            letter-spacing: 0.03em;
            white-space: nowrap;
        }

        .nav-logo:hover {
            color: var(--color-primary-bright);
        }

        .nav-logo-icon {
            display: inline-block;
            width: 28px;
            height: 28px;
            border: 2px solid var(--color-primary);
            border-radius: 50%;
            position: relative;
            flex-shrink: 0;
        }

        .nav-logo-icon::after {
            content: "";
            position: absolute;
            inset: 4px;
            border-radius: 50%;
            background: radial-gradient(circle, var(--color-primary-bright), var(--color-primary-dark));
        }

        .nav-menu {
            display: flex;
            align-items: center;
            gap: clamp(0.75rem, 2vw, 1.75rem);
            list-style: none;
            margin: 0;
            padding: 0;
        }

        .nav-menu li {
            position: relative;
        }

        .nav-menu a {
            color: var(--color-text-muted);
            font-size: 0.9rem;
            font-weight: 500;
            padding: 0.5rem 0;
            letter-spacing: 0.01em;
            position: relative;
            white-space: nowrap;
            transition: color var(--transition-fast);
        }

        .nav-menu a:hover {
            color: var(--color-primary-bright);
        }

        .nav-menu a.nav-active {
            color: var(--color-primary);
        }

        .nav-menu a.nav-active::after {
            content: "";
            position: absolute;
            bottom: -2px;
            left: 0;
            right: 0;
            height: 2px;
            background: var(--color-primary);
        }

        .nav-cta {
            background: transparent;
            border: 1px solid var(--color-primary);
            color: var(--color-primary);
            padding: 0.4rem 1.1rem;
            border-radius: var(--radius-btn);
            font-size: 0.85rem;
            font-weight: 600;
            cursor: pointer;
            transition: all var(--transition-fast);
            white-space: nowrap;
        }

        .nav-cta:hover {
            background: var(--color-primary);
            color: var(--color-bg);
        }

        .nav-toggle {
            display: none;
            background: none;
            border: none;
            cursor: pointer;
            padding: 0.4rem;
            flex-direction: column;
            gap: 5px;
            align-items: center;
            justify-content: center;
        }

        .nav-toggle span {
            display: block;
            width: 24px;
            height: 2px;
            background: var(--color-text);
            border-radius: 2px;
            transition: all var(--transition-base);
        }

        /* Breadcrumb */
        .breadcrumb-wrapper {
            padding: 1.25rem 0 0.5rem;
            font-size: 0.85rem;
            color: var(--color-text-muted);
        }

        .breadcrumb-wrapper a {
            color: var(--color-text-muted);
        }

        .breadcrumb-wrapper a:hover {
            color: var(--color-primary-bright);
        }

        .breadcrumb-sep {
            margin: 0 0.5rem;
            color: var(--color-border);
        }

        /* Page Header */
        .page-header {
            padding: 2.5rem 0 1.5rem;
            background: linear-gradient(180deg, rgba(42, 33, 24, 0.55) 0%, rgba(23, 19, 16, 0) 100%);
            border-bottom: 1px solid var(--color-border);
            position: relative;
            overflow: hidden;
        }

        .page-header::before {
            content: "";
            position: absolute;
            top: 0;
            right: 0;
            width: 38%;
            height: 100%;
            background: linear-gradient(135deg, rgba(212, 163, 58, 0.12) 0%, rgba(212, 163, 58, 0) 70%);
            clip-path: polygon(30% 0, 100% 0, 100% 100%, 0 100%);
            pointer-events: none;
        }

        .page-header h1 {
            font-size: var(--font-h1);
            font-weight: 800;
            letter-spacing: 0.02em;
            margin-bottom: 1rem;
            background: linear-gradient(135deg, var(--color-primary-bright) 0%, var(--color-primary) 50%, var(--color-primary-dark) 100%);
            -webkit-background-clip: text;
            -webkit-text-fill-color: transparent;
            background-clip: text;
            position: relative;
            z-index: 1;
        }

        .page-header .lead {
            font-size: 1.05rem;
            color: var(--color-text-secondary);
            max-width: 780px;
            line-height: 2;
            position: relative;
            z-index: 1;
        }

        /* Data Snapshot */
        .data-snapshot {
            display: grid;
            grid-template-columns: repeat(4, 1fr);
            gap: var(--card-spacing);
        }

        .snapshot-card {
            background: var(--color-bg-card);
            border: 1px solid var(--color-border);
            border-radius: var(--radius-card);
            padding: 1.5rem 1.25rem;
            text-align: center;
            box-shadow: var(--shadow-card);
            transition: all var(--transition-base);
            position: relative;
            overflow: hidden;
        }

        .snapshot-card::after {
            content: "";
            position: absolute;
            top: 0;
            left: 0;
            right: 0;
            height: 2px;
            background: linear-gradient(90deg, var(--color-primary), var(--color-primary-bright));
            opacity: 0.7;
        }

        .snapshot-card:hover {
            transform: translateY(-2px);
            box-shadow: var(--shadow-card-hover);
            border-color: var(--color-gold-hover-border);
        }

        .snapshot-value {
            font-size: var(--font-data);
            font-weight: 800;
            color: var(--color-primary);
            line-height: 1.2;
            margin-bottom: 0.35rem;
        }

        .snapshot-label {
            font-size: 0.85rem;
            color: var(--color-text-muted);
            font-weight: 500;
        }

        /* Battle Data Cards */
        .battle-card-grid {
            display: grid;
            grid-template-columns: repeat(3, 1fr);
            gap: var(--card-spacing);
        }

        .battle-data-card {
            background: var(--color-bg-card);
            border: 1px solid var(--color-border);
            border-radius: var(--radius-card);
            overflow: hidden;
            box-shadow: var(--shadow-card);
            transition: all var(--transition-base);
            display: flex;
            flex-direction: column;
            height: 100%;
        }

        .battle-data-card:hover {
            transform: translateY(-3px);
            box-shadow: var(--shadow-card-hover);
            border-color: var(--color-gold-hover-border);
        }

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

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

        .battle-data-card:hover .battle-card-img img {
            transform: scale(1.04);
        }

        .battle-card-img::after {
            content: "";
            position: absolute;
            inset: 0;
            background: linear-gradient(180deg, rgba(23, 19, 16, 0.05) 0%, rgba(23, 19, 16, 0.55) 100%);
            pointer-events: none;
        }

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

        .battle-card-tag {
            display: inline-flex;
            align-items: center;
            gap: 0.35rem;
            font-size: 0.72rem;
            color: var(--color-primary);
            background: rgba(212, 163, 58, 0.12);
            border: 1px solid rgba(212, 163, 58, 0.3);
            border-radius: 20px;
            padding: 0.2rem 0.7rem;
            margin-bottom: 0.75rem;
            width: fit-content;
            font-weight: 500;
        }

        .battle-card-title {
            font-size: 1.05rem;
            font-weight: 700;
            color: var(--color-text);
            margin-bottom: 0.55rem;
            line-height: 1.5;
        }

        .battle-card-summary {
            font-size: 0.88rem;
            color: var(--color-text-secondary);
            line-height: 1.8;
            flex: 1;
            margin-bottom: 1rem;
        }

        .battle-card-meta {
            display: flex;
            flex-wrap: wrap;
            gap: 0.6rem;
            margin-bottom: 0.9rem;
        }

        .battle-card-meta span {
            font-size: 0.75rem;
            color: var(--color-text-muted);
            background: var(--color-bg-input);
            border-radius: var(--radius-sm);
            padding: 0.2rem 0.6rem;
        }

        .battle-card-link {
            font-size: 0.85rem;
            font-weight: 600;
            color: var(--color-primary);
            display: inline-flex;
            align-items: center;
            gap: 0.3rem;
            transition: all var(--transition-fast);
            border: none;
            background: none;
            padding: 0;
            cursor: pointer;
            width: fit-content;
        }

        .battle-card-link:hover {
            color: var(--color-primary-bright);
            gap: 0.5rem;
        }

        /* Hot Matches */
        .hot-match-grid {
            display: grid;
            grid-template-columns: repeat(4, 1fr);
            gap: var(--card-spacing);
        }

        .hot-match-card {
            background: var(--color-bg-card);
            border: 1px solid var(--color-border);
            border-radius: var(--radius-card);
            overflow: hidden;
            box-shadow: var(--shadow-card);
            transition: all var(--transition-base);
        }

        .hot-match-card:hover {
            transform: translateY(-3px);
            box-shadow: var(--shadow-card-hover);
            border-color: var(--color-gold-hover-border);
        }

        .hot-match-img {
            aspect-ratio: 4 / 3;
            overflow: hidden;
            background: var(--color-bg-input);
        }

        .hot-match-img img {
            width: 100%;
            height: 100%;
            object-fit: cover;
            transition: transform var(--transition-slow);
        }

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

        .hot-match-body {
            padding: 1rem 1.1rem 1.25rem;
        }

        .hot-match-title {
            font-size: 0.95rem;
            font-weight: 600;
            color: var(--color-text);
            margin-bottom: 0.4rem;
        }

        .hot-match-desc {
            font-size: 0.8rem;
            color: var(--color-text-muted);
            line-height: 1.7;
        }

        /* Strategy Links */
        .strategy-list {
            list-style: none;
            padding: 0;
            margin: 0;
        }

        .strategy-list li {
            border-bottom: 1px solid var(--color-border);
            padding: 0.9rem 0;
            transition: background var(--transition-fast);
        }

        .strategy-list li:hover {
            background: rgba(212, 163, 58, 0.04);
        }

        .strategy-list a {
            display: flex;
            align-items: center;
            justify-content: space-between;
            font-size: 0.95rem;
            font-weight: 500;
            color: var(--color-text-secondary);
            gap: 1rem;
        }

        .strategy-list a:hover {
            color: var(--color-primary-bright);
        }

        .strategy-list .arrow {
            color: var(--color-primary);
            font-size: 0.85rem;
            flex-shrink: 0;
        }

        /* FAQ */
        .faq-section .accordion-item {
            background: var(--color-bg-card);
            border: 1px solid var(--color-border);
            border-radius: var(--radius-card) !important;
            margin-bottom: 0.75rem;
            overflow: hidden;
        }

        .faq-section .accordion-button {
            background: var(--color-bg-card);
            color: var(--color-text);
            font-weight: 600;
            font-size: 0.95rem;
            padding: 1.1rem 1.25rem;
            border: none;
            box-shadow: none;
            border-radius: var(--radius-card) !important;
        }

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

        .faq-section .accordion-button::after {
            filter: invert(60%) sepia(30%) saturate(500%) hue-rotate(5deg);
        }

        .faq-section .accordion-button:focus {
            box-shadow: var(--shadow-gold);
            border-color: var(--color-gold-transparent);
        }

        .faq-section .accordion-body {
            background: var(--color-bg-card);
            color: var(--color-text-secondary);
            font-size: 0.88rem;
            line-height: 1.9;
            padding: 1.1rem 1.25rem;
        }

        /* CTA Section */
        .cta-section {
            background: linear-gradient(135deg, var(--color-bg-card) 0%, var(--color-bg-alt) 100%);
            border: 1px solid var(--color-gold-transparent);
            border-radius: var(--radius-card);
            padding: 3rem 2rem;
            text-align: center;
            position: relative;
            overflow: hidden;
        }

        .cta-section::before {
            content: "";
            position: absolute;
            top: -50%;
            left: -20%;
            width: 60%;
            height: 200%;
            background: radial-gradient(circle, rgba(212, 163, 58, 0.1) 0%, rgba(212, 163, 58, 0) 65%);
            pointer-events: none;
        }

        .cta-section h2 {
            font-size: var(--font-h2);
            font-weight: 700;
            color: var(--color-text);
            margin-bottom: 0.75rem;
            position: relative;
            z-index: 1;
        }

        .cta-section p {
            color: var(--color-text-secondary);
            font-size: 0.95rem;
            max-width: 560px;
            margin: 0 auto 1.75rem;
            position: relative;
            z-index: 1;
        }

        .btn-gold {
            background: linear-gradient(135deg, var(--color-primary) 0%, var(--color-primary-bright) 100%);
            border: none;
            color: var(--color-bg);
            font-weight: 700;
            font-size: 0.95rem;
            padding: 0.75rem 2rem;
            border-radius: var(--radius-btn);
            cursor: pointer;
            transition: all var(--transition-fast);
            box-shadow: var(--shadow-btn);
            position: relative;
            z-index: 1;
            display: inline-block;
        }

        .btn-gold:hover {
            background: var(--color-primary-bright);
            color: var(--color-bg);
            transform: translateY(-2px);
            box-shadow: 0 8px 20px rgba(212, 163, 58, 0.45);
        }

        .btn-outline-gold {
            background: transparent;
            border: 1px solid var(--color-primary);
            color: var(--color-primary);
            font-weight: 600;
            font-size: 0.95rem;
            padding: 0.7rem 1.75rem;
            border-radius: var(--radius-btn);
            cursor: pointer;
            transition: all var(--transition-fast);
            position: relative;
            z-index: 1;
            display: inline-block;
        }

        .btn-outline-gold:hover {
            background: rgba(212, 163, 58, 0.12);
            border-color: var(--color-primary-bright);
            color: var(--color-primary-bright);
            transform: translateY(-2px);
        }

        /* Subscribe */
        .subscribe-section {
            background: var(--color-bg-alt);
            border-top: 1px solid var(--color-border);
            border-bottom: 1px solid var(--color-border);
        }

        .subscribe-box {
            display: flex;
            gap: 1rem;
            align-items: center;
            justify-content: center;
            flex-wrap: wrap;
            max-width: 620px;
            margin: 0 auto;
        }

        .subscribe-box input[type="email"] {
            flex: 1;
            min-width: 260px;
            background: var(--color-bg-input);
            border: 1px solid var(--color-gold-transparent);
            border-radius: var(--radius-btn);
            padding: 0.7rem 1.1rem;
            color: var(--color-text);
            font-size: 0.9rem;
            transition: all var(--transition-fast);
        }

        .subscribe-box input[type="email"]::placeholder {
            color: var(--color-text-muted);
        }

        .subscribe-box input[type="email"]:focus {
            border-color: var(--color-primary);
            box-shadow: var(--shadow-gold);
            outline: none;
        }

        .subscribe-box .btn-gold {
            padding: 0.7rem 1.5rem;
            white-space: nowrap;
        }

        /* Footer */
        .site-footer {
            background: #100d0b;
            padding: 3.5rem 0 1.75rem;
            border-top: 1px solid var(--color-border);
        }

        .footer-grid {
            display: grid;
            grid-template-columns: 2fr 1fr 1fr 1.25fr;
            gap: 2rem;
            margin-bottom: 2rem;
        }

        .footer-brand h3 {
            font-size: 1.15rem;
            font-weight: 700;
            color: var(--color-primary);
            margin-bottom: 0.75rem;
        }

        .footer-brand p {
            font-size: 0.85rem;
            color: var(--color-text-muted);
            line-height: 1.8;
            max-width: 300px;
        }

        .footer-col h4 {
            font-size: 0.9rem;
            font-weight: 600;
            color: var(--color-text);
            margin-bottom: 0.9rem;
            letter-spacing: 0.02em;
        }

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

        .footer-col ul li {
            margin-bottom: 0.5rem;
        }

        .footer-col ul a {
            font-size: 0.82rem;
            color: var(--color-text-muted);
            transition: color var(--transition-fast);
        }

        .footer-col ul a:hover {
            color: var(--color-primary-bright);
        }

        .footer-bottom {
            padding-top: 1.5rem;
            border-top: 1px solid var(--color-border);
            display: flex;
            flex-wrap: wrap;
            gap: 1rem;
            align-items: center;
            justify-content: space-between;
            font-size: 0.78rem;
            color: var(--color-text-muted);
        }

        .footer-bottom-links {
            display: flex;
            flex-wrap: wrap;
            gap: 1rem;
            align-items: center;
        }

        .footer-bottom-links a {
            color: var(--color-text-muted);
        }

        .footer-bottom-links a:hover {
            color: var(--color-primary-bright);
        }

        /* Section Title */
        .section-title {
            font-size: var(--font-h2);
            font-weight: 700;
            letter-spacing: 0.02em;
            margin-bottom: 0.75rem;
            color: var(--color-text);
        }

        .section-desc {
            color: var(--color-text-secondary);
            font-size: 0.92rem;
            max-width: 640px;
            line-height: 1.9;
            margin-bottom: 2rem;
        }

        .section-header {
            margin-bottom: 2.25rem;
        }

        .section-header .section-tag {
            display: inline-block;
            font-size: 0.75rem;
            font-weight: 600;
            color: var(--color-primary);
            background: rgba(212, 163, 58, 0.1);
            border: 1px solid var(--color-gold-transparent);
            padding: 0.25rem 0.85rem;
            border-radius: 20px;
            margin-bottom: 0.75rem;
            letter-spacing: 0.04em;
        }

        /* Responsive */
        @media (max-width: 991px) {
            .data-snapshot {
                grid-template-columns: repeat(2, 1fr);
            }

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

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

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

        @media (max-width: 767px) {
            .nav-toggle {
                display: flex;
            }

            .nav-menu {
                position: fixed;
                top: var(--nav-height);
                left: 0;
                right: 0;
                background: rgba(23, 19, 16, 0.98);
                flex-direction: column;
                padding: 1.5rem 2rem;
                gap: 1.25rem;
                border-bottom: 1px solid var(--color-border);
                transform: translateY(-120%);
                transition: transform var(--transition-slow);
                z-index: 999;
                align-items: flex-start;
            }

            .nav-menu.nav-open {
                transform: translateY(0);
            }

            .nav-menu a {
                font-size: 1rem;
            }

            .nav-cta {
                display: none;
            }
        }

        @media (max-width: 575px) {
            .battle-card-grid {
                grid-template-columns: 1fr;
            }

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

            .data-snapshot {
                grid-template-columns: repeat(2, 1fr);
                gap: 0.75rem;
            }

            .snapshot-card {
                padding: 1rem 0.75rem;
            }

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

            .cta-section {
                padding: 2rem 1.25rem;
            }

            .page-header h1 {
                font-size: clamp(1.7rem, 6vw, 2.2rem);
            }

            .subscribe-box {
                flex-direction: column;
                align-items: stretch;
            }

            .subscribe-box input[type="email"] {
                min-width: auto;
            }

            .section-title {
                font-size: clamp(1.3rem, 4.5vw, 1.6rem);
            }
        }

        @media (min-width: 768px) and (max-width: 991px) {
            .battle-card-grid {
                grid-template-columns: repeat(2, 1fr);
            }

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

/* roulang page: category2 */
:root {
            --color-primary: #d4a33a;
            --color-primary-bright: #f0c75e;
            --color-primary-dark: #b8912f;
            --color-accent: #b3402a;
            --color-accent-hover: #d04a30;
            --color-bg: #171310;
            --color-bg-alt: #1a1614;
            --color-bg-card: #221c17;
            --color-bg-input: #2a231d;
            --color-text: #f5efe6;
            --color-text-secondary: #c7bca8;
            --color-text-muted: #a6987f;
            --color-border: #3a3128;
            --color-gold-transparent: rgba(212, 163, 58, 0.25);
            --color-gold-hover-border: rgba(212, 163, 58, 0.6);
            --radius-card: 6px;
            --radius-btn: 4px;
            --radius-sm: 3px;
            --shadow-card: 0 8px 24px rgba(0, 0, 0, 0.4);
            --shadow-card-hover: 0 14px 36px rgba(0, 0, 0, 0.6);
            --shadow-gold: 0 0 0 3px rgba(212, 163, 58, 0.35);
            --shadow-btn: 0 4px 12px rgba(212, 163, 58, 0.3);
            --transition-fast: 150ms ease;
            --transition-base: 200ms ease;
            --transition-slow: 300ms ease;
            --font-h1: clamp(2rem, 4vw, 2.6rem);
            --font-h2: clamp(1.5rem, 2.8vw, 1.9rem);
            --font-h3: clamp(1.15rem, 1.8vw, 1.4rem);
            --font-body: clamp(0.95rem, 1.05vw, 1.0625rem);
            --font-small: clamp(0.8rem, 0.9vw, 0.875rem);
            --font-data: clamp(2rem, 3.5vw, 2.8rem);
            --nav-height: 64px;
            --section-gap: clamp(2.8rem, 5vw, 4.5rem);
            --container-max: 1200px;
            --card-spacing: clamp(1rem, 2vw, 1.75rem);
        }

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

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

        body {
            font-family: "PingFang SC", "Hiragino Sans GB", "Microsoft YaHei", "Noto Sans SC", system-ui, -apple-system, sans-serif;
            background-color: var(--color-bg);
            color: var(--color-text);
            line-height: 1.9;
            font-size: var(--font-body);
            min-height: 100vh;
            overflow-x: hidden;
            -webkit-font-smoothing: antialiased;
            -moz-osx-font-smoothing: grayscale;
        }

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

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

        a:focus-visible,
        button:focus-visible,
        input:focus-visible {
            outline: none;
            box-shadow: var(--shadow-gold);
            border-radius: var(--radius-sm);
        }

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

        ul,
        ol {
            list-style: none;
        }

        .container {
            max-width: var(--container-max);
            margin: 0 auto;
            padding: 0 clamp(1.25rem, 3vw, 2rem);
        }

        /* Header & Navigation */
        .site-header {
            position: sticky;
            top: 0;
            z-index: 1000;
            background-color: rgba(23, 19, 16, 0.97);
            border-bottom: 1px solid var(--color-border);
            height: var(--nav-height);
            display: flex;
            align-items: center;
            backdrop-filter: blur(12px);
            -webkit-backdrop-filter: blur(12px);
        }

        .nav-container {
            display: flex;
            align-items: center;
            justify-content: space-between;
            width: 100%;
            max-width: var(--container-max);
            margin: 0 auto;
            padding: 0 clamp(1.25rem, 3vw, 2rem);
            gap: 1rem;
        }

        .nav-logo {
            display: flex;
            align-items: center;
            gap: 0.5rem;
            font-weight: 700;
            font-size: 1.15rem;
            color: var(--color-primary);
            letter-spacing: 0.03em;
            white-space: nowrap;
        }

        .nav-logo:hover {
            color: var(--color-primary-bright);
        }

        .nav-logo-icon {
            display: inline-block;
            width: 28px;
            height: 28px;
            border: 2px solid var(--color-primary);
            border-radius: 50%;
            position: relative;
            flex-shrink: 0;
        }

        .nav-logo-icon::after {
            content: "";
            position: absolute;
            inset: 4px;
            border-radius: 50%;
            background: radial-gradient(circle, var(--color-primary-bright), var(--color-primary-dark));
        }

        .nav-menu {
            display: flex;
            align-items: center;
            gap: clamp(0.75rem, 2vw, 1.75rem);
            list-style: none;
            margin: 0;
            padding: 0;
        }

        .nav-menu li {
            position: relative;
        }

        .nav-menu a {
            color: var(--color-text-muted);
            font-size: 0.9rem;
            font-weight: 500;
            padding: 0.5rem 0;
            letter-spacing: 0.01em;
            position: relative;
            white-space: nowrap;
            transition: color var(--transition-fast);
        }

        .nav-menu a:hover {
            color: var(--color-primary-bright);
        }

        .nav-menu a.nav-active {
            color: var(--color-primary);
        }

        .nav-menu a.nav-active::after {
            content: "";
            position: absolute;
            bottom: -2px;
            left: 0;
            right: 0;
            height: 2px;
            background: var(--color-primary);
            border-radius: 2px;
        }

        .nav-cta {
            background: transparent;
            border: 1px solid var(--color-gold-transparent);
            color: var(--color-primary);
            padding: 0.5rem 1.25rem;
            border-radius: var(--radius-btn);
            font-size: 0.85rem;
            font-weight: 600;
            cursor: pointer;
            white-space: nowrap;
            transition: all var(--transition-base);
            letter-spacing: 0.02em;
        }

        .nav-cta:hover {
            background: var(--color-primary);
            color: #171310;
            border-color: var(--color-primary);
            box-shadow: var(--shadow-btn);
            transform: translateY(-2px);
        }

        .nav-toggle {
            display: none;
            background: none;
            border: 1px solid var(--color-border);
            border-radius: var(--radius-sm);
            padding: 0.5rem 0.6rem;
            cursor: pointer;
            flex-direction: column;
            gap: 5px;
            align-items: center;
            transition: border-color var(--transition-fast);
        }

        .nav-toggle span {
            display: block;
            width: 22px;
            height: 2px;
            background: var(--color-primary);
            border-radius: 2px;
            transition: transform var(--transition-base), opacity var(--transition-base);
        }

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

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

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

        /* Breadcrumb */
        .breadcrumb-wrapper {
            background-color: var(--color-bg-alt);
            border-bottom: 1px solid var(--color-border);
            padding: 0.75rem 0;
        }

        .breadcrumb-nav {
            display: flex;
            align-items: center;
            gap: 0.5rem;
            font-size: var(--font-small);
            color: var(--color-text-muted);
        }

        .breadcrumb-nav a {
            color: var(--color-text-muted);
            transition: color var(--transition-fast);
        }

        .breadcrumb-nav a:hover {
            color: var(--color-primary-bright);
        }

        .breadcrumb-nav .breadcrumb-sep {
            color: var(--color-primary);
            opacity: 0.7;
        }

        .breadcrumb-nav .breadcrumb-current {
            color: var(--color-primary);
            font-weight: 600;
        }

        /* Section Common */
        section {
            padding: var(--section-gap) 0;
        }

        .section-label {
            display: inline-block;
            font-size: 0.75rem;
            font-weight: 700;
            letter-spacing: 0.12em;
            text-transform: uppercase;
            color: var(--color-primary);
            background: rgba(212, 163, 58, 0.12);
            border: 1px solid var(--color-gold-transparent);
            border-radius: 20px;
            padding: 0.3rem 1rem;
            margin-bottom: 1rem;
        }

        .section-title {
            font-size: var(--font-h2);
            font-weight: 700;
            color: var(--color-text);
            margin-bottom: 0.75rem;
            letter-spacing: 0.015em;
            line-height: 1.35;
        }

        .section-desc {
            font-size: var(--font-body);
            color: var(--color-text-secondary);
            max-width: 720px;
            line-height: 2;
        }

        /* Page Header / Category H1 */
        .page-header {
            background-color: var(--color-bg-alt);
            border-bottom: 1px solid var(--color-border);
            padding: clamp(2.5rem, 5vw, 4rem) 0;
            position: relative;
            overflow: hidden;
        }

        .page-header::before {
            content: "";
            position: absolute;
            top: 0;
            right: -80px;
            width: 280px;
            height: 280px;
            background: radial-gradient(circle, rgba(212, 163, 58, 0.12), transparent 70%);
            border-radius: 50%;
            pointer-events: none;
        }

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

        .page-header h1 {
            font-size: var(--font-h1);
            font-weight: 800;
            letter-spacing: 0.02em;
            color: var(--color-text);
            margin-bottom: 1rem;
            line-height: 1.3;
            background: linear-gradient(135deg, var(--color-primary-bright), var(--color-primary) 60%, var(--color-primary-dark));
            -webkit-background-clip: text;
            -webkit-text-fill-color: transparent;
            background-clip: text;
        }

        .page-header .header-desc {
            font-size: clamp(1rem, 1.4vw, 1.125rem);
            color: var(--color-text-secondary);
            max-width: 800px;
            line-height: 2.1;
        }

        .page-header .header-tags {
            display: flex;
            flex-wrap: wrap;
            gap: 0.5rem;
            margin-top: 1.25rem;
        }

        .page-header .header-tag {
            font-size: 0.75rem;
            font-weight: 600;
            color: var(--color-text-secondary);
            background: var(--color-bg-card);
            border: 1px solid var(--color-border);
            border-radius: 20px;
            padding: 0.25rem 0.9rem;
            letter-spacing: 0.04em;
        }

        /* Ranking Table / Leaderboard */
        .ranking-section {
            background-color: var(--color-bg);
        }

        .ranking-list {
            display: flex;
            flex-direction: column;
            gap: 0.75rem;
            margin-top: 2rem;
        }

        .ranking-item {
            display: flex;
            align-items: center;
            gap: 1rem;
            background: var(--color-bg-card);
            border: 1px solid var(--color-border);
            border-radius: var(--radius-card);
            padding: 1rem 1.25rem;
            transition: all var(--transition-base);
            position: relative;
            overflow: hidden;
        }

        .ranking-item:hover {
            border-color: var(--color-gold-hover-border);
            box-shadow: var(--shadow-card);
            transform: translateY(-2px);
        }

        .ranking-item.top-rank {
            border-color: var(--color-gold-transparent);
            background: linear-gradient(135deg, rgba(212, 163, 58, 0.08), rgba(212, 163, 58, 0.02));
        }

        .ranking-item.top-rank .rank-number {
            color: var(--color-primary-bright);
            font-size: 1.8rem;
            font-weight: 800;
            min-width: 3.5rem;
            text-align: center;
            line-height: 1.2;
            text-shadow: 0 0 20px rgba(240, 199, 94, 0.5);
        }

        .ranking-item .rank-number {
            color: var(--color-text-muted);
            font-size: 1.4rem;
            font-weight: 700;
            min-width: 3rem;
            text-align: center;
            line-height: 1.2;
        }

        .ranking-avatar {
            width: 48px;
            height: 48px;
            border-radius: 50%;
            border: 2px solid var(--color-gold-transparent);
            overflow: hidden;
            flex-shrink: 0;
            background: var(--color-bg-input);
        }

        .ranking-info {
            flex: 1;
            min-width: 0;
        }

        .ranking-name {
            font-weight: 700;
            font-size: 1.05rem;
            color: var(--color-text);
            letter-spacing: 0.02em;
        }

        .ranking-sub {
            font-size: 0.8rem;
            color: var(--color-text-muted);
            margin-top: 0.15rem;
        }

        .ranking-stats {
            display: flex;
            align-items: center;
            gap: 1.5rem;
            flex-shrink: 0;
        }

        .rank-stat {
            text-align: center;
        }

        .rank-stat-value {
            font-size: 1.1rem;
            font-weight: 700;
            color: var(--color-primary);
            line-height: 1.3;
        }

        .rank-stat-label {
            font-size: 0.7rem;
            color: var(--color-text-muted);
            letter-spacing: 0.05em;
        }

        .rank-trend {
            display: inline-flex;
            align-items: center;
            gap: 0.25rem;
            font-size: 0.75rem;
            font-weight: 600;
            padding: 0.2rem 0.7rem;
            border-radius: 20px;
            white-space: nowrap;
        }

        .rank-trend.up {
            color: #5cb85c;
            background: rgba(92, 184, 92, 0.12);
            border: 1px solid rgba(92, 184, 92, 0.3);
        }

        .rank-trend.down {
            color: var(--color-accent);
            background: rgba(179, 64, 42, 0.12);
            border: 1px solid rgba(179, 64, 42, 0.3);
        }

        .rank-trend.stable {
            color: var(--color-text-secondary);
            background: rgba(199, 188, 168, 0.08);
            border: 1px solid var(--color-border);
        }

        /* Data Summary Stats */
        .data-summary-section {
            background-color: var(--color-bg-alt);
            border-top: 1px solid var(--color-border);
            border-bottom: 1px solid var(--color-border);
        }

        .summary-grid {
            display: grid;
            grid-template-columns: repeat(4, 1fr);
            gap: 1.25rem;
            margin-top: 2rem;
        }

        .summary-card {
            background: var(--color-bg-card);
            border: 1px solid var(--color-border);
            border-radius: var(--radius-card);
            padding: 1.5rem 1.25rem;
            text-align: center;
            transition: all var(--transition-base);
        }

        .summary-card:hover {
            border-color: var(--color-gold-hover-border);
            box-shadow: var(--shadow-card);
            transform: translateY(-2px);
        }

        .summary-number {
            font-size: var(--font-data);
            font-weight: 800;
            color: var(--color-primary-bright);
            line-height: 1.2;
            letter-spacing: 0.02em;
            text-shadow: 0 0 24px rgba(240, 199, 94, 0.35);
        }

        .summary-label {
            font-size: 0.85rem;
            color: var(--color-text-secondary);
            margin-top: 0.5rem;
            font-weight: 500;
        }

        .summary-note {
            font-size: 0.72rem;
            color: var(--color-text-muted);
            margin-top: 0.25rem;
        }

        /* Hot Matches */
        .hot-matches-section {
            background-color: var(--color-bg);
        }

        .hot-matches-grid {
            display: grid;
            grid-template-columns: repeat(2, 1fr);
            gap: 1.5rem;
            margin-top: 2rem;
        }

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

        .hot-match-card:hover {
            border-color: var(--color-gold-hover-border);
            box-shadow: var(--shadow-card-hover);
            transform: translateY(-4px);
        }

        .hot-match-img {
            width: 100%;
            aspect-ratio: 16/9;
            object-fit: cover;
            background: var(--color-bg-input);
        }

        .hot-match-body {
            padding: 1.25rem 1.5rem;
            flex: 1;
        }

        .hot-match-tag {
            display: inline-block;
            font-size: 0.7rem;
            font-weight: 700;
            color: var(--color-primary);
            background: rgba(212, 163, 58, 0.1);
            border: 1px solid var(--color-gold-transparent);
            border-radius: 4px;
            padding: 0.2rem 0.7rem;
            letter-spacing: 0.06em;
            margin-bottom: 0.75rem;
        }

        .hot-match-title {
            font-size: 1.1rem;
            font-weight: 700;
            color: var(--color-text);
            margin-bottom: 0.5rem;
            line-height: 1.5;
        }

        .hot-match-desc {
            font-size: 0.88rem;
            color: var(--color-text-secondary);
            line-height: 1.85;
            margin-bottom: 1rem;
        }

        .hot-match-meta {
            display: flex;
            gap: 1.25rem;
            font-size: 0.78rem;
            color: var(--color-text-muted);
        }

        .hot-match-meta span {
            display: flex;
            align-items: center;
            gap: 0.3rem;
        }

        /* Strategy Links */
        .strategy-links-section {
            background-color: var(--color-bg-alt);
            border-top: 1px solid var(--color-border);
            border-bottom: 1px solid var(--color-border);
        }

        .strategy-links-list {
            margin-top: 1.5rem;
            display: flex;
            flex-direction: column;
            gap: 0.5rem;
        }

        .strategy-link-item {
            display: flex;
            align-items: center;
            justify-content: space-between;
            padding: 0.9rem 1.25rem;
            background: var(--color-bg-card);
            border: 1px solid var(--color-border);
            border-radius: var(--radius-card);
            transition: all var(--transition-base);
            gap: 1rem;
        }

        .strategy-link-item:hover {
            border-color: var(--color-gold-hover-border);
            transform: translateX(4px);
            box-shadow: var(--shadow-card);
        }

        .strategy-link-text {
            flex: 1;
            min-width: 0;
        }

        .strategy-link-title {
            font-weight: 600;
            font-size: 0.95rem;
            color: var(--color-text);
            line-height: 1.5;
        }

        .strategy-link-desc {
            font-size: 0.78rem;
            color: var(--color-text-muted);
            margin-top: 0.15rem;
        }

        .strategy-link-arrow {
            color: var(--color-primary);
            font-size: 1.2rem;
            font-weight: 700;
            flex-shrink: 0;
            transition: transform var(--transition-fast);
        }

        .strategy-link-item:hover .strategy-link-arrow {
            transform: translateX(4px);
        }

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

        .faq-list {
            margin-top: 2rem;
            max-width: 800px;
        }

        .faq-item {
            background: var(--color-bg-card);
            border: 1px solid var(--color-border);
            border-radius: var(--radius-card);
            margin-bottom: 0.75rem;
            overflow: hidden;
            transition: border-color var(--transition-base);
        }

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

        .faq-question {
            width: 100%;
            background: none;
            border: none;
            padding: 1.1rem 1.25rem;
            display: flex;
            align-items: center;
            justify-content: space-between;
            cursor: pointer;
            font-size: 0.95rem;
            font-weight: 600;
            color: var(--color-text);
            text-align: left;
            gap: 1rem;
            letter-spacing: 0.01em;
            transition: color var(--transition-fast);
        }

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

        .faq-icon {
            flex-shrink: 0;
            width: 24px;
            height: 24px;
            border-radius: 50%;
            border: 1px solid var(--color-gold-transparent);
            display: flex;
            align-items: center;
            justify-content: center;
            font-size: 0.9rem;
            color: var(--color-primary);
            transition: transform var(--transition-base);
        }

        .faq-item.open .faq-icon {
            transform: rotate(45deg);
            background: var(--color-primary);
            color: #171310;
            border-color: var(--color-primary);
        }

        .faq-answer {
            max-height: 0;
            overflow: hidden;
            transition: max-height var(--transition-slow), padding var(--transition-slow);
            padding: 0 1.25rem;
        }

        .faq-item.open .faq-answer {
            max-height: 300px;
            padding: 0 1.25rem 1.1rem;
        }

        .faq-answer p {
            font-size: 0.85rem;
            color: var(--color-text-secondary);
            line-height: 1.9;
        }

        /* CTA Section */
        .cta-section {
            background: linear-gradient(135deg, var(--color-bg-alt), var(--color-bg-card));
            border-top: 1px solid var(--color-border);
            border-bottom: 1px solid var(--color-border);
            text-align: center;
            padding: clamp(3rem, 6vw, 5rem) 0;
        }

        .cta-title {
            font-size: var(--font-h2);
            font-weight: 800;
            color: var(--color-text);
            margin-bottom: 0.75rem;
            letter-spacing: 0.02em;
        }

        .cta-desc {
            font-size: var(--font-body);
            color: var(--color-text-secondary);
            max-width: 600px;
            margin: 0 auto 1.75rem;
            line-height: 2;
        }

        .btn-gold {
            display: inline-block;
            background: linear-gradient(135deg, var(--color-primary-bright), var(--color-primary));
            color: #171310;
            font-weight: 700;
            font-size: 0.95rem;
            padding: 0.85rem 2rem;
            border-radius: var(--radius-btn);
            border: none;
            cursor: pointer;
            letter-spacing: 0.03em;
            transition: all var(--transition-base);
            box-shadow: var(--shadow-btn);
        }

        .btn-gold:hover {
            background: var(--color-primary-bright);
            color: #171310;
            transform: translateY(-2px);
            box-shadow: 0 8px 24px rgba(212, 163, 58, 0.45);
        }

        .btn-outline-gold {
            display: inline-block;
            background: transparent;
            border: 1px solid var(--color-gold-hover-border);
            color: var(--color-primary);
            font-weight: 600;
            font-size: 0.95rem;
            padding: 0.85rem 2rem;
            border-radius: var(--radius-btn);
            cursor: pointer;
            letter-spacing: 0.03em;
            transition: all var(--transition-base);
            margin-left: 0.75rem;
        }

        .btn-outline-gold:hover {
            background: var(--color-gold-transparent);
            color: var(--color-primary-bright);
            border-color: var(--color-primary);
            transform: translateY(-2px);
        }

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

        .subscribe-form {
            margin-top: 1.75rem;
            display: flex;
            gap: 0.75rem;
            max-width: 520px;
            flex-wrap: wrap;
        }

        .subscribe-form input[type="email"] {
            flex: 1;
            min-width: 240px;
            background: var(--color-bg-input);
            border: 1px solid var(--color-border);
            border-radius: var(--radius-btn);
            padding: 0.85rem 1.25rem;
            color: var(--color-text);
            font-size: 0.9rem;
            transition: border-color var(--transition-fast);
            letter-spacing: 0.02em;
        }

        .subscribe-form input[type="email"]::placeholder {
            color: var(--color-text-muted);
        }

        .subscribe-form input[type="email"]:focus {
            border-color: var(--color-primary);
            outline: none;
            box-shadow: var(--shadow-gold);
        }

        .subscribe-form .btn-gold {
            white-space: nowrap;
            padding: 0.85rem 1.5rem;
        }

        .subscribe-note {
            font-size: 0.8rem;
            color: var(--color-text-muted);
            margin-top: 0.75rem;
        }

        /* Footer */
        .site-footer {
            background-color: #100d0b;
            border-top: 1px solid var(--color-border);
            padding: 3rem 0 1.5rem;
        }

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

        .footer-brand h3 {
            font-size: 1.1rem;
            font-weight: 700;
            color: var(--color-primary);
            margin-bottom: 0.75rem;
            letter-spacing: 0.03em;
        }

        .footer-brand p {
            font-size: 0.85rem;
            color: var(--color-text-muted);
            line-height: 1.85;
            max-width: 320px;
        }

        .footer-col h4 {
            font-size: 0.85rem;
            font-weight: 700;
            color: var(--color-text);
            margin-bottom: 0.75rem;
            letter-spacing: 0.06em;
        }

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

        .footer-col li {
            margin-bottom: 0.45rem;
        }

        .footer-col a {
            font-size: 0.82rem;
            color: var(--color-text-muted);
            transition: color var(--transition-fast);
        }

        .footer-col a:hover {
            color: var(--color-primary-bright);
        }

        .footer-bottom {
            border-top: 1px solid var(--color-border);
            padding-top: 1.25rem;
            display: flex;
            flex-wrap: wrap;
            justify-content: space-between;
            align-items: center;
            gap: 0.5rem 1rem;
            font-size: 0.75rem;
            color: var(--color-text-muted);
        }

        .footer-bottom-links {
            display: flex;
            flex-wrap: wrap;
            gap: 1rem;
            align-items: center;
        }

        .footer-bottom-links span {
            color: var(--color-text-muted);
        }

        .footer-bottom-links a {
            color: var(--color-text-muted);
            font-size: 0.75rem;
            transition: color var(--transition-fast);
        }

        .footer-bottom-links a:hover {
            color: var(--color-primary-bright);
        }

        /* Responsive */
        @media (max-width: 991px) {
            .summary-grid {
                grid-template-columns: repeat(2, 1fr);
            }
            .footer-grid {
                grid-template-columns: 1fr 1fr;
            }
            .hot-matches-grid {
                grid-template-columns: 1fr;
                gap: 1.25rem;
            }
        }

        @media (max-width: 767px) {
            :root {
                --nav-height: 56px;
                --section-gap: 2.25rem;
            }

            .nav-toggle {
                display: flex;
            }

            .nav-menu {
                position: fixed;
                top: var(--nav-height);
                left: 0;
                right: 0;
                background-color: rgba(23, 19, 16, 0.98);
                border-bottom: 1px solid var(--color-border);
                flex-direction: column;
                padding: 1.5rem;
                gap: 1rem;
                display: none;
                z-index: 999;
                box-shadow: 0 20px 40px rgba(0, 0, 0, 0.6);
            }

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

            .nav-menu a {
                font-size: 1rem;
                padding: 0.6rem 0;
                display: block;
                width: 100%;
            }

            .nav-menu li {
                width: 100%;
                text-align: center;
            }

            .nav-cta {
                display: none;
            }

            .page-header h1 {
                font-size: clamp(1.6rem, 6vw, 2rem);
            }

            .ranking-item {
                flex-wrap: wrap;
                gap: 0.75rem;
                padding: 0.9rem 1rem;
            }

            .ranking-item.top-rank .rank-number {
                font-size: 1.5rem;
                min-width: 2.5rem;
            }

            .ranking-item .rank-number {
                font-size: 1.2rem;
                min-width: 2.25rem;
            }

            .ranking-stats {
                width: 100%;
                justify-content: flex-start;
                gap: 1.25rem;
                flex-wrap: wrap;
                padding-left: 0.5rem;
            }

            .summary-grid {
                grid-template-columns: repeat(2, 1fr);
                gap: 0.75rem;
            }

            .summary-card {
                padding: 1rem 0.75rem;
            }

            .summary-number {
                font-size: 1.6rem;
            }

            .btn-outline-gold {
                margin-left: 0;
                margin-top: 0.5rem;
            }

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

            .subscribe-form input[type="email"] {
                min-width: 100%;
            }

            .footer-grid {
                grid-template-columns: 1fr;
                gap: 1.5rem;
            }

            .footer-bottom {
                flex-direction: column;
                align-items: flex-start;
                gap: 0.75rem;
            }
        }

        @media (max-width: 520px) {
            .summary-grid {
                grid-template-columns: repeat(2, 1fr);
                gap: 0.6rem;
            }

            .ranking-item {
                flex-wrap: wrap;
                gap: 0.6rem;
            }

            .ranking-avatar {
                width: 40px;
                height: 40px;
            }

            .ranking-name {
                font-size: 0.92rem;
            }

            .rank-stat-value {
                font-size: 0.95rem;
            }

            .strategy-link-item {
                flex-direction: column;
                align-items: flex-start;
                gap: 0.5rem;
            }
        }

/* roulang page: category3 */
:root {
            --color-primary: #d4a33a;
            --color-primary-bright: #f0c75e;
            --color-primary-dark: #b8912f;
            --color-accent: #b3402a;
            --color-accent-hover: #d04a30;
            --color-bg: #171310;
            --color-bg-alt: #1a1614;
            --color-bg-card: #221c17;
            --color-bg-input: #2a231d;
            --color-text: #f5efe6;
            --color-text-secondary: #c7bca8;
            --color-text-muted: #a6987f;
            --color-border: #3a3128;
            --color-gold-transparent: rgba(212, 163, 58, 0.25);
            --color-gold-hover-border: rgba(212, 163, 58, 0.6);
            --radius-card: 6px;
            --radius-btn: 4px;
            --radius-sm: 3px;
            --shadow-card: 0 8px 24px rgba(0, 0, 0, 0.4);
            --shadow-card-hover: 0 14px 36px rgba(0, 0, 0, 0.6);
            --shadow-gold: 0 0 0 3px rgba(212, 163, 58, 0.35);
            --shadow-btn: 0 4px 12px rgba(212, 163, 58, 0.3);
            --transition-fast: 150ms ease;
            --transition-base: 200ms ease;
            --transition-slow: 300ms ease;
            --font-h1: clamp(2.1rem, 4.5vw, 2.75rem);
            --font-h2: clamp(1.6rem, 3vw, 2rem);
            --font-h3: clamp(1.2rem, 2vw, 1.5rem);
            --font-body: clamp(0.95rem, 1.1vw, 1.0625rem);
            --font-small: clamp(0.8rem, 0.9vw, 0.875rem);
            --font-data: clamp(2.2rem, 4vw, 3.25rem);
            --nav-height: 64px;
            --section-gap: clamp(3rem, 6vw, 5rem);
            --container-max: 1200px;
            --card-spacing: clamp(1rem, 2vw, 1.75rem);
        }

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

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

        body {
            font-family: "PingFang SC", "Hiragino Sans GB", "Microsoft YaHei", "Noto Sans SC", system-ui, -apple-system, sans-serif;
            background-color: var(--color-bg);
            color: var(--color-text);
            line-height: 1.9;
            font-size: var(--font-body);
            min-height: 100vh;
            overflow-x: hidden;
            -webkit-font-smoothing: antialiased;
            -moz-osx-font-smoothing: grayscale;
        }

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

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

        a:focus-visible,
        button:focus-visible,
        input:focus-visible {
            outline: none;
            box-shadow: var(--shadow-gold);
            border-radius: var(--radius-sm);
        }

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

        ul,
        ol {
            list-style: none;
        }

        .container {
            max-width: var(--container-max);
            margin: 0 auto;
            padding: 0 clamp(1.25rem, 3vw, 2rem);
        }

        /* Header & Navigation */
        .site-header {
            position: sticky;
            top: 0;
            z-index: 1000;
            background-color: rgba(23, 19, 16, 0.97);
            border-bottom: 1px solid var(--color-border);
            height: var(--nav-height);
            display: flex;
            align-items: center;
            backdrop-filter: blur(12px);
            -webkit-backdrop-filter: blur(12px);
        }

        .nav-container {
            display: flex;
            align-items: center;
            justify-content: space-between;
            width: 100%;
            max-width: var(--container-max);
            margin: 0 auto;
            padding: 0 clamp(1.25rem, 3vw, 2rem);
            gap: 1rem;
        }

        .nav-logo {
            display: flex;
            align-items: center;
            gap: 0.5rem;
            font-weight: 700;
            font-size: 1.15rem;
            color: var(--color-primary);
            letter-spacing: 0.03em;
            white-space: nowrap;
        }

        .nav-logo:hover {
            color: var(--color-primary-bright);
        }

        .nav-logo-icon {
            display: inline-block;
            width: 28px;
            height: 28px;
            border: 2px solid var(--color-primary);
            border-radius: 50%;
            position: relative;
            flex-shrink: 0;
        }

        .nav-logo-icon::after {
            content: "";
            position: absolute;
            inset: 4px;
            border-radius: 50%;
            background: radial-gradient(circle, var(--color-primary-bright), var(--color-primary-dark));
        }

        .nav-menu {
            display: flex;
            align-items: center;
            gap: clamp(0.75rem, 2vw, 1.75rem);
            list-style: none;
            margin: 0;
            padding: 0;
        }

        .nav-menu li {
            position: relative;
        }

        .nav-menu a {
            color: var(--color-text-muted);
            font-size: 0.9rem;
            font-weight: 500;
            padding: 0.5rem 0;
            letter-spacing: 0.01em;
            position: relative;
            white-space: nowrap;
            transition: color var(--transition-fast);
        }

        .nav-menu a:hover {
            color: var(--color-primary-bright);
        }

        .nav-menu a.nav-active {
            color: var(--color-primary);
        }

        .nav-menu a.nav-active::after {
            content: "";
            position: absolute;
            bottom: -2px;
            left: 0;
            right: 0;
            height: 2px;
            background: var(--color-primary);
            border-radius: 1px;
        }

        .nav-cta {
            background: transparent;
            border: 1px solid var(--color-gold-transparent);
            color: var(--color-primary);
            padding: 0.55rem 1.2rem;
            border-radius: var(--radius-btn);
            font-size: 0.85rem;
            font-weight: 600;
            cursor: pointer;
            white-space: nowrap;
            transition: all var(--transition-base);
            letter-spacing: 0.02em;
        }

        .nav-cta:hover {
            background: var(--color-primary);
            color: #1a1614;
            border-color: var(--color-primary);
            box-shadow: var(--shadow-btn);
        }

        .nav-toggle {
            display: none;
            background: transparent;
            border: none;
            cursor: pointer;
            padding: 0.5rem;
            flex-direction: column;
            gap: 5px;
            align-items: center;
            justify-content: center;
            border-radius: var(--radius-sm);
        }

        .nav-toggle span {
            display: block;
            width: 22px;
            height: 2px;
            background: var(--color-primary);
            border-radius: 1px;
            transition: all var(--transition-base);
        }

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

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

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

        @media (max-width: 991px) {
            .nav-menu {
                display: none;
                position: absolute;
                top: var(--nav-height);
                left: 0;
                right: 0;
                background: var(--color-bg-alt);
                border-bottom: 1px solid var(--color-border);
                flex-direction: column;
                padding: 1.5rem 2rem;
                gap: 0.25rem;
                align-items: flex-start;
                box-shadow: 0 12px 32px rgba(0, 0, 0, 0.5);
            }

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

            .nav-menu a {
                display: block;
                padding: 0.8rem 0;
                font-size: 1rem;
                width: 100%;
                border-bottom: 1px solid rgba(58, 49, 40, 0.4);
            }

            .nav-menu li:last-child a {
                border-bottom: none;
            }

            .nav-toggle {
                display: flex;
            }

            .nav-cta {
                display: none;
            }
        }

        @media (max-width: 575px) {
            .nav-container {
                padding: 0 1rem;
            }

            .nav-logo {
                font-size: 1rem;
            }

            .nav-logo-icon {
                width: 24px;
                height: 24px;
            }
        }

        /* Breadcrumb */
        .breadcrumb-wrap {
            background: var(--color-bg-alt);
            border-bottom: 1px solid var(--color-border);
            padding: 0.9rem 0;
        }

        .breadcrumb-nav {
            display: flex;
            align-items: center;
            gap: 0.5rem;
            font-size: 0.82rem;
            color: var(--color-text-muted);
            flex-wrap: wrap;
        }

        .breadcrumb-nav a {
            color: var(--color-text-muted);
            transition: color var(--transition-fast);
        }

        .breadcrumb-nav a:hover {
            color: var(--color-primary);
        }

        .breadcrumb-nav .separator {
            color: var(--color-primary-dark);
            font-weight: 600;
        }

        .breadcrumb-nav .current {
            color: var(--color-primary);
            font-weight: 500;
        }

        /* Page Hero / Category Intro */
        .category-hero {
            padding: clamp(2.5rem, 5vw, 4.5rem) 0 clamp(1.5rem, 3vw, 2.5rem);
            background: linear-gradient(135deg, var(--color-bg-alt) 0%, var(--color-bg) 55%, rgba(212, 163, 58, 0.04) 100%);
            border-bottom: 1px solid var(--color-border);
            position: relative;
            overflow: hidden;
        }

        .category-hero::before {
            content: "";
            position: absolute;
            top: -40%;
            right: -10%;
            width: 55%;
            height: 180%;
            background: linear-gradient(125deg, rgba(212, 163, 58, 0.06) 0%, transparent 60%);
            transform: skewX(-12deg);
            pointer-events: none;
        }

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

        .category-hero h1 {
            font-size: var(--font-h1);
            font-weight: 800;
            letter-spacing: 0.02em;
            color: var(--color-text);
            margin-bottom: 1.1rem;
            line-height: 1.25;
            background: linear-gradient(135deg, #f5efe6 0%, #f0c75e 55%, #d4a33a 100%);
            -webkit-background-clip: text;
            background-clip: text;
            -webkit-text-fill-color: transparent;
            color: transparent;
        }

        .category-hero .hero-tag {
            display: inline-block;
            background: var(--color-gold-transparent);
            color: var(--color-primary-bright);
            padding: 0.35rem 0.9rem;
            border-radius: 999px;
            font-size: 0.8rem;
            font-weight: 600;
            letter-spacing: 0.06em;
            margin-bottom: 1rem;
            border: 1px solid var(--color-gold-transparent);
        }

        .category-hero .hero-desc {
            font-size: 1.05rem;
            color: var(--color-text-secondary);
            max-width: 820px;
            line-height: 2;
            margin-bottom: 0.75rem;
        }

        .category-hero .hero-cover {
            border-radius: var(--radius-card);
            overflow: hidden;
            border: 1px solid var(--color-gold-transparent);
            box-shadow: var(--shadow-card);
            margin-top: 2rem;
        }

        .category-hero .hero-cover img {
            width: 100%;
            height: auto;
            object-fit: cover;
            aspect-ratio: 21/9;
        }

        @media (max-width: 767px) {
            .category-hero h1 {
                font-size: 1.85rem;
            }

            .category-hero .hero-desc {
                font-size: 0.95rem;
                line-height: 1.9;
            }
        }

        /* Section Base */
        .section {
            padding: var(--section-gap) 0;
        }

        .section-alt {
            background: var(--color-bg-alt);
            border-top: 1px solid var(--color-border);
            border-bottom: 1px solid var(--color-border);
        }

        .section-header {
            margin-bottom: clamp(1.75rem, 3vw, 2.5rem);
        }

        .section-header h2 {
            font-size: var(--font-h2);
            font-weight: 700;
            color: var(--color-text);
            letter-spacing: 0.02em;
            margin-bottom: 0.75rem;
            line-height: 1.4;
        }

        .section-header p {
            color: var(--color-text-secondary);
            font-size: 0.98rem;
            max-width: 680px;
            line-height: 1.9;
            margin: 0;
        }

        .section-eyebrow {
            display: inline-block;
            font-size: 0.78rem;
            font-weight: 600;
            letter-spacing: 0.08em;
            color: var(--color-primary);
            text-transform: uppercase;
            margin-bottom: 0.5rem;
            border-left: 3px solid var(--color-primary);
            padding-left: 0.65rem;
        }

        /* Stats Overview */
        .stats-grid {
            display: grid;
            grid-template-columns: repeat(4, 1fr);
            gap: var(--card-spacing);
        }

        .stat-card {
            background: var(--color-bg-card);
            border: 1px solid var(--color-gold-transparent);
            border-radius: var(--radius-card);
            padding: clamp(1.15rem, 2vw, 1.75rem);
            box-shadow: var(--shadow-card);
            transition: all var(--transition-base);
            position: relative;
            overflow: hidden;
        }

        .stat-card::after {
            content: "";
            position: absolute;
            top: 0;
            left: 0;
            right: 0;
            height: 3px;
            background: linear-gradient(90deg, var(--color-primary), var(--color-primary-bright));
            opacity: 0;
            transition: opacity var(--transition-base);
        }

        .stat-card:hover {
            transform: translateY(-2px);
            box-shadow: var(--shadow-card-hover);
            border-color: var(--color-gold-hover-border);
        }

        .stat-card:hover::after {
            opacity: 1;
        }

        .stat-card .stat-number {
            font-size: var(--font-data);
            font-weight: 800;
            color: var(--color-primary);
            line-height: 1.2;
            letter-spacing: 0.01em;
            margin-bottom: 0.35rem;
        }

        .stat-card .stat-label {
            font-size: 0.85rem;
            color: var(--color-text-muted);
            letter-spacing: 0.03em;
        }

        .stat-card .stat-context {
            font-size: 0.78rem;
            color: var(--color-text-secondary);
            margin-top: 0.4rem;
            line-height: 1.6;
        }

        @media (max-width: 991px) {
            .stats-grid {
                grid-template-columns: repeat(2, 1fr);
            }
        }

        @media (max-width: 575px) {
            .stats-grid {
                grid-template-columns: 1fr;
            }
        }

        /* Strategy Cards Grid */
        .strategy-grid {
            display: grid;
            grid-template-columns: repeat(3, 1fr);
            gap: var(--card-spacing);
        }

        .strategy-card {
            background: var(--color-bg-card);
            border: 1px solid var(--color-border);
            border-radius: var(--radius-card);
            overflow: hidden;
            box-shadow: var(--shadow-card);
            transition: all var(--transition-base);
            display: flex;
            flex-direction: column;
            height: 100%;
            position: relative;
        }

        .strategy-card:hover {
            transform: translateY(-4px);
            box-shadow: var(--shadow-card-hover);
            border-color: var(--color-gold-hover-border);
        }

        .strategy-card .card-img {
            aspect-ratio: 16/9;
            overflow: hidden;
            position: relative;
        }

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

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

        .strategy-card .card-badge {
            position: absolute;
            top: 0.85rem;
            left: 0.85rem;
            background: rgba(23, 19, 16, 0.85);
            border: 1px solid var(--color-gold-transparent);
            color: var(--color-primary-bright);
            padding: 0.3rem 0.75rem;
            border-radius: 999px;
            font-size: 0.75rem;
            font-weight: 600;
            letter-spacing: 0.05em;
            backdrop-filter: blur(6px);
        }

        .strategy-card .card-body {
            padding: 1.35rem 1.5rem 1.6rem;
            flex: 1;
            display: flex;
            flex-direction: column;
        }

        .strategy-card .card-title {
            font-size: 1.1rem;
            font-weight: 700;
            color: var(--color-text);
            margin-bottom: 0.7rem;
            line-height: 1.5;
            letter-spacing: 0.01em;
        }

        .strategy-card .card-excerpt {
            font-size: 0.88rem;
            color: var(--color-text-secondary);
            line-height: 1.8;
            flex: 1;
            margin-bottom: 1rem;
            display: -webkit-box;
            -webkit-line-clamp: 3;
            -webkit-box-orient: vertical;
            overflow: hidden;
        }

        .strategy-card .card-link {
            font-size: 0.85rem;
            font-weight: 600;
            color: var(--color-primary);
            display: inline-flex;
            align-items: center;
            gap: 0.3rem;
            transition: all var(--transition-fast);
            align-self: flex-start;
        }

        .strategy-card .card-link:hover {
            color: var(--color-primary-bright);
            gap: 0.55rem;
        }

        .strategy-card .card-meta {
            display: flex;
            align-items: center;
            gap: 1rem;
            font-size: 0.75rem;
            color: var(--color-text-muted);
            margin-bottom: 0.8rem;
        }

        .strategy-card .card-meta span {
            display: inline-flex;
            align-items: center;
            gap: 0.3rem;
        }

        @media (max-width: 991px) {
            .strategy-grid {
                grid-template-columns: repeat(2, 1fr);
            }
        }

        @media (max-width: 575px) {
            .strategy-grid {
                grid-template-columns: 1fr;
            }

            .strategy-card .card-body {
                padding: 1.1rem 1.2rem 1.35rem;
            }
        }

        /* Deep Dive Feature */
        .feature-split {
            display: grid;
            grid-template-columns: 1fr 1fr;
            gap: clamp(1.5rem, 3vw, 2.5rem);
            align-items: center;
        }

        .feature-text h2 {
            font-size: var(--font-h2);
            font-weight: 700;
            color: var(--color-text);
            line-height: 1.4;
            margin-bottom: 1.1rem;
            letter-spacing: 0.02em;
        }

        .feature-text h3 {
            font-size: 1.1rem;
            font-weight: 600;
            color: var(--color-primary);
            margin-bottom: 0.8rem;
            letter-spacing: 0.02em;
        }

        .feature-text p {
            color: var(--color-text-secondary);
            font-size: 0.98rem;
            line-height: 2;
            margin-bottom: 1.1rem;
        }

        .feature-text .insight-list {
            list-style: none;
            padding: 0;
            margin: 0 0 1.4rem;
        }

        .feature-text .insight-list li {
            position: relative;
            padding-left: 1.5rem;
            margin-bottom: 0.6rem;
            color: var(--color-text-secondary);
            font-size: 0.92rem;
            line-height: 1.7;
        }

        .feature-text .insight-list li::before {
            content: "";
            position: absolute;
            left: 0;
            top: 0.5rem;
            width: 8px;
            height: 8px;
            border-radius: 50%;
            background: var(--color-primary);
            box-shadow: 0 0 8px rgba(212, 163, 58, 0.5);
        }

        .feature-text .insight-list li strong {
            color: var(--color-primary-bright);
            font-weight: 600;
        }

        .feature-img {
            border-radius: var(--radius-card);
            overflow: hidden;
            border: 1px solid var(--color-gold-transparent);
            box-shadow: var(--shadow-card);
            position: relative;
        }

        .feature-img img {
            width: 100%;
            height: auto;
            aspect-ratio: 4/3;
            object-fit: cover;
        }

        .feature-img::after {
            content: "";
            position: absolute;
            inset: 0;
            background: linear-gradient(180deg, transparent 55%, rgba(23, 19, 16, 0.6) 100%);
            pointer-events: none;
        }

        .feature-img .img-label {
            position: absolute;
            bottom: 1rem;
            left: 1rem;
            z-index: 2;
            color: var(--color-text);
            font-size: 0.82rem;
            font-weight: 600;
            background: rgba(23, 19, 16, 0.75);
            padding: 0.4rem 0.9rem;
            border-radius: var(--radius-sm);
            border: 1px solid var(--color-gold-transparent);
            backdrop-filter: blur(6px);
        }

        @media (max-width: 991px) {
            .feature-split {
                grid-template-columns: 1fr;
            }
        }

        /* Related Guide List */
        .guide-list {
            display: flex;
            flex-direction: column;
            gap: 0.9rem;
        }

        .guide-item {
            display: flex;
            align-items: center;
            justify-content: space-between;
            gap: 1rem;
            padding: 1.05rem 1.35rem;
            background: var(--color-bg-card);
            border: 1px solid var(--color-border);
            border-radius: var(--radius-card);
            transition: all var(--transition-base);
            cursor: pointer;
        }

        .guide-item:hover {
            border-color: var(--color-gold-hover-border);
            background: rgba(34, 28, 23, 0.9);
            box-shadow: var(--shadow-card);
            transform: translateX(4px);
        }

        .guide-item .guide-title {
            font-weight: 600;
            font-size: 0.95rem;
            color: var(--color-text);
            letter-spacing: 0.01em;
            flex: 1;
        }

        .guide-item .guide-tag {
            font-size: 0.72rem;
            font-weight: 600;
            color: var(--color-primary);
            background: var(--color-gold-transparent);
            padding: 0.3rem 0.75rem;
            border-radius: 999px;
            white-space: nowrap;
            letter-spacing: 0.04em;
        }

        .guide-item .guide-arrow {
            color: var(--color-primary);
            font-size: 1.1rem;
            transition: transform var(--transition-fast);
            flex-shrink: 0;
        }

        .guide-item:hover .guide-arrow {
            transform: translateX(4px);
        }

        @media (max-width: 575px) {
            .guide-item {
                flex-wrap: wrap;
                padding: 0.9rem 1.1rem;
            }

            .guide-item .guide-title {
                font-size: 0.88rem;
                flex: 1 1 100%;
            }
        }

        /* FAQ Accordion */
        .faq-list {
            max-width: 860px;
            margin: 0 auto;
            display: flex;
            flex-direction: column;
            gap: 0.8rem;
        }

        .faq-item {
            background: var(--color-bg-card);
            border: 1px solid var(--color-border);
            border-radius: var(--radius-card);
            overflow: hidden;
            transition: border-color var(--transition-base);
        }

        .faq-item.active {
            border-color: var(--color-gold-hover-border);
        }

        .faq-question {
            width: 100%;
            background: transparent;
            border: none;
            color: var(--color-text);
            font-size: 0.95rem;
            font-weight: 600;
            padding: 1.15rem 1.4rem;
            text-align: left;
            cursor: pointer;
            display: flex;
            align-items: center;
            justify-content: space-between;
            gap: 1rem;
            letter-spacing: 0.01em;
            line-height: 1.6;
            transition: color var(--transition-fast);
        }

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

        .faq-question .faq-icon {
            flex-shrink: 0;
            width: 20px;
            height: 20px;
            position: relative;
            display: flex;
            align-items: center;
            justify-content: center;
            color: var(--color-primary);
            transition: transform var(--transition-base);
        }

        .faq-question .faq-icon::before,
        .faq-question .faq-icon::after {
            content: "";
            position: absolute;
            background: var(--color-primary);
            border-radius: 2px;
            transition: all var(--transition-base);
        }

        .faq-question .faq-icon::before {
            width: 14px;
            height: 2px;
        }

        .faq-question .faq-icon::after {
            width: 2px;
            height: 14px;
        }

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

        .faq-answer {
            max-height: 0;
            overflow: hidden;
            transition: max-height var(--transition-slow);
            padding: 0 1.4rem;
            color: var(--color-text-secondary);
            font-size: 0.88rem;
            line-height: 1.9;
        }

        .faq-answer-inner {
            padding-bottom: 1.3rem;
            border-top: 1px solid var(--color-border);
            padding-top: 1rem;
        }

        .faq-item.active .faq-answer {
            max-height: 400px;
        }

        @media (max-width: 575px) {
            .faq-question {
                font-size: 0.88rem;
                padding: 1rem 1.1rem;
            }

            .faq-answer {
                padding: 0 1.1rem;
                font-size: 0.83rem;
            }
        }

        /* CTA Section */
        .cta-section {
            background: linear-gradient(135deg, rgba(212, 163, 58, 0.08) 0%, var(--color-bg-alt) 45%, var(--color-bg) 100%);
            border-top: 1px solid var(--color-gold-transparent);
            border-bottom: 1px solid var(--color-gold-transparent);
            padding: var(--section-gap) 0;
            text-align: center;
        }

        .cta-section h2 {
            font-size: var(--font-h2);
            font-weight: 700;
            color: var(--color-text);
            margin-bottom: 0.85rem;
            letter-spacing: 0.02em;
        }

        .cta-section p {
            color: var(--color-text-secondary);
            font-size: 0.98rem;
            max-width: 560px;
            margin: 0 auto 1.6rem;
            line-height: 1.9;
        }

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

        .btn-gold {
            background: linear-gradient(135deg, var(--color-primary) 0%, var(--color-primary-bright) 100%);
            color: #1a1614;
            padding: 0.8rem 1.8rem;
            border-radius: var(--radius-btn);
            font-weight: 700;
            font-size: 0.92rem;
            letter-spacing: 0.03em;
            border: none;
            cursor: pointer;
            transition: all var(--transition-base);
            box-shadow: var(--shadow-btn);
            display: inline-block;
        }

        .btn-gold:hover {
            background: var(--color-primary-bright);
            color: #1a1614;
            transform: translateY(-2px);
            box-shadow: 0 8px 24px rgba(212, 163, 58, 0.45);
        }

        .btn-outline-gold {
            background: transparent;
            border: 1px solid var(--color-primary);
            color: var(--color-primary);
            padding: 0.8rem 1.8rem;
            border-radius: var(--radius-btn);
            font-weight: 600;
            font-size: 0.92rem;
            letter-spacing: 0.03em;
            cursor: pointer;
            transition: all var(--transition-base);
            display: inline-block;
        }

        .btn-outline-gold:hover {
            background: rgba(212, 163, 58, 0.1);
            border-color: var(--color-primary-bright);
            color: var(--color-primary-bright);
            transform: translateY(-2px);
        }

        /* Subscribe Form */
        .subscribe-bar {
            padding: clamp(2.5rem, 4vw, 3.5rem) 0;
        }

        .subscribe-wrap {
            background: var(--color-bg-card);
            border: 1px solid var(--color-gold-transparent);
            border-radius: var(--radius-card);
            padding: clamp(1.5rem, 3vw, 2.5rem);
            display: flex;
            align-items: center;
            justify-content: space-between;
            gap: 1.5rem;
            flex-wrap: wrap;
            box-shadow: var(--shadow-card);
        }

        .subscribe-text h2 {
            font-size: 1.35rem;
            font-weight: 700;
            color: var(--color-text);
            margin-bottom: 0.4rem;
            letter-spacing: 0.01em;
        }

        .subscribe-text p {
            color: var(--color-text-secondary);
            font-size: 0.88rem;
            margin: 0;
            line-height: 1.7;
        }

        .subscribe-form {
            display: flex;
            gap: 0.7rem;
            flex: 1;
            min-width: 280px;
            max-width: 480px;
        }

        .subscribe-form input {
            flex: 1;
            background: var(--color-bg-input);
            border: 1px solid var(--color-gold-transparent);
            color: var(--color-text);
            padding: 0.75rem 1.1rem;
            border-radius: var(--radius-btn);
            font-size: 0.9rem;
            transition: all var(--transition-fast);
            min-width: 0;
        }

        .subscribe-form input::placeholder {
            color: var(--color-text-muted);
        }

        .subscribe-form input:focus {
            outline: none;
            border-color: var(--color-primary);
            box-shadow: var(--shadow-gold);
        }

        .subscribe-form button {
            background: linear-gradient(135deg, var(--color-primary) 0%, var(--color-primary-bright) 100%);
            color: #1a1614;
            border: none;
            padding: 0.75rem 1.6rem;
            border-radius: var(--radius-btn);
            font-weight: 700;
            font-size: 0.88rem;
            cursor: pointer;
            white-space: nowrap;
            letter-spacing: 0.02em;
            transition: all var(--transition-base);
            box-shadow: var(--shadow-btn);
        }

        .subscribe-form button:hover {
            background: var(--color-primary-bright);
            transform: translateY(-1px);
            box-shadow: 0 8px 20px rgba(212, 163, 58, 0.4);
        }

        @media (max-width: 767px) {
            .subscribe-wrap {
                flex-direction: column;
                text-align: center;
            }

            .subscribe-form {
                width: 100%;
                max-width: 100%;
            }
        }

        @media (max-width: 575px) {
            .subscribe-form {
                flex-direction: column;
            }

            .subscribe-form button {
                width: 100%;
            }
        }

        /* Divider */
        .section-divider {
            border: none;
            height: 1px;
            background: linear-gradient(90deg, transparent, var(--color-border), transparent);
            margin: 0;
        }

        /* Footer */
        .site-footer {
            background: #100d0b;
            border-top: 1px solid var(--color-border);
            padding: clamp(2.5rem, 4vw, 3.5rem) 0 1.5rem;
        }

        .footer-grid {
            display: grid;
            grid-template-columns: 2fr 1fr 1fr 1fr;
            gap: clamp(1.5rem, 3vw, 2.5rem);
            margin-bottom: 2rem;
        }

        .footer-brand h3 {
            font-size: 1.15rem;
            font-weight: 700;
            color: var(--color-primary);
            margin-bottom: 0.8rem;
            letter-spacing: 0.02em;
        }

        .footer-brand p {
            color: var(--color-text-muted);
            font-size: 0.85rem;
            line-height: 1.8;
            max-width: 300px;
            margin: 0;
        }

        .footer-col h4 {
            font-size: 0.9rem;
            font-weight: 600;
            color: var(--color-text);
            margin-bottom: 0.9rem;
            letter-spacing: 0.04em;
        }

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

        .footer-col ul li {
            margin-bottom: 0.55rem;
        }

        .footer-col ul a {
            color: var(--color-text-muted);
            font-size: 0.85rem;
            transition: all var(--transition-fast);
            display: inline-block;
        }

        .footer-col ul a:hover {
            color: var(--color-primary-bright);
            transform: translateX(3px);
        }

        .footer-bottom {
            border-top: 1px solid var(--color-border);
            padding-top: 1.25rem;
            display: flex;
            align-items: center;
            justify-content: space-between;
            flex-wrap: wrap;
            gap: 0.8rem;
            font-size: 0.78rem;
            color: var(--color-text-muted);
        }

        .footer-bottom-links {
            display: flex;
            align-items: center;
            gap: 1.1rem;
            flex-wrap: wrap;
            font-size: 0.78rem;
        }

        .footer-bottom-links a {
            color: var(--color-text-muted);
            transition: color var(--transition-fast);
        }

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

        @media (max-width: 991px) {
            .footer-grid {
                grid-template-columns: repeat(2, 1fr);
            }
        }

        @media (max-width: 575px) {
            .footer-grid {
                grid-template-columns: 1fr;
            }

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

            .footer-bottom-links {
                justify-content: center;
            }
        }

/* roulang page: category4 */
:root {
            --color-primary: #d4a33a;
            --color-primary-bright: #f0c75e;
            --color-primary-dark: #b8912f;
            --color-accent: #b3402a;
            --color-accent-hover: #d04a30;
            --color-bg: #171310;
            --color-bg-alt: #1a1614;
            --color-bg-card: #221c17;
            --color-bg-input: #2a231d;
            --color-text: #f5efe6;
            --color-text-secondary: #c7bca8;
            --color-text-muted: #a6987f;
            --color-border: #3a3128;
            --color-gold-transparent: rgba(212, 163, 58, 0.25);
            --color-gold-hover-border: rgba(212, 163, 58, 0.6);
            --radius-card: 6px;
            --radius-btn: 4px;
            --radius-sm: 3px;
            --shadow-card: 0 8px 24px rgba(0, 0, 0, 0.4);
            --shadow-card-hover: 0 14px 36px rgba(0, 0, 0, 0.6);
            --shadow-gold: 0 0 0 3px rgba(212, 163, 58, 0.35);
            --shadow-btn: 0 4px 12px rgba(212, 163, 58, 0.3);
            --transition-fast: 150ms ease;
            --transition-base: 200ms ease;
            --transition-slow: 300ms ease;
            --font-h1: clamp(2.1rem, 4.5vw, 2.75rem);
            --font-h2: clamp(1.6rem, 3vw, 2rem);
            --font-h3: clamp(1.2rem, 2vw, 1.5rem);
            --font-body: clamp(0.95rem, 1.1vw, 1.0625rem);
            --font-small: clamp(0.8rem, 0.9vw, 0.875rem);
            --font-data: clamp(2.2rem, 4vw, 3.25rem);
            --nav-height: 64px;
            --section-gap: clamp(3rem, 6vw, 5rem);
            --container-max: 1200px;
            --card-spacing: clamp(1rem, 2vw, 1.75rem);
        }

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

        body {
            font-family: "PingFang SC", "Hiragino Sans GB", "Microsoft YaHei", "Noto Sans SC", system-ui, -apple-system, sans-serif;
            background-color: var(--color-bg);
            color: var(--color-text);
            line-height: 1.9;
            font-size: var(--font-body);
            min-height: 100vh;
            overflow-x: hidden;
            -webkit-font-smoothing: antialiased;
            -moz-osx-font-smoothing: grayscale;
        }

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

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

        a:focus-visible,
        button:focus-visible,
        input:focus-visible {
            outline: none;
            box-shadow: var(--shadow-gold);
            border-radius: var(--radius-sm);
        }

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

        .container {
            max-width: var(--container-max);
            margin: 0 auto;
            padding: 0 clamp(1.25rem, 3vw, 2rem);
        }

        /* Header & Navigation */
        .site-header {
            position: sticky;
            top: 0;
            z-index: 1000;
            background-color: rgba(23, 19, 16, 0.97);
            border-bottom: 1px solid var(--color-border);
            height: var(--nav-height);
            display: flex;
            align-items: center;
            backdrop-filter: blur(12px);
            -webkit-backdrop-filter: blur(12px);
        }

        .nav-container {
            display: flex;
            align-items: center;
            justify-content: space-between;
            width: 100%;
            max-width: var(--container-max);
            margin: 0 auto;
            padding: 0 clamp(1.25rem, 3vw, 2rem);
        }

        .nav-logo {
            display: flex;
            align-items: center;
            gap: 0.5rem;
            font-weight: 700;
            font-size: 1.15rem;
            color: var(--color-primary);
            letter-spacing: 0.03em;
            white-space: nowrap;
        }

        .nav-logo:hover {
            color: var(--color-primary-bright);
        }

        .nav-logo-icon {
            display: inline-block;
            width: 28px;
            height: 28px;
            border: 2px solid var(--color-primary);
            border-radius: 50%;
            position: relative;
            flex-shrink: 0;
        }

        .nav-logo-icon::after {
            content: "";
            position: absolute;
            inset: 4px;
            border-radius: 50%;
            background: radial-gradient(circle, var(--color-primary-bright), var(--color-primary-dark));
        }

        .nav-menu {
            display: flex;
            align-items: center;
            gap: clamp(0.75rem, 2vw, 1.75rem);
            list-style: none;
            margin: 0;
            padding: 0;
        }

        .nav-menu li {
            position: relative;
        }

        .nav-menu a {
            color: var(--color-text-muted);
            font-size: 0.9rem;
            font-weight: 500;
            padding: 0.5rem 0;
            letter-spacing: 0.01em;
            position: relative;
            white-space: nowrap;
            transition: color var(--transition-fast);
        }

        .nav-menu a:hover {
            color: var(--color-primary-bright);
        }

        .nav-menu a.nav-active {
            color: var(--color-primary);
        }

        .nav-menu a.nav-active::after {
            content: "";
            position: absolute;
            bottom: -2px;
            left: 0;
            right: 0;
            height: 2px;
            background: var(--color-primary);
            border-radius: 1px;
        }

        .nav-cta {
            background: transparent;
            color: var(--color-primary);
            border: 1px solid var(--color-gold-transparent);
            padding: 0.45rem 1.1rem;
            border-radius: var(--radius-btn);
            font-size: 0.875rem;
            font-weight: 500;
            cursor: pointer;
            white-space: nowrap;
            transition: all var(--transition-fast);
            font-family: inherit;
            letter-spacing: 0.02em;
        }

        .nav-cta:hover {
            background: var(--color-primary);
            color: var(--color-bg);
            border-color: var(--color-primary);
            box-shadow: var(--shadow-btn);
        }

        .nav-toggle {
            display: none;
            flex-direction: column;
            gap: 5px;
            background: none;
            border: none;
            cursor: pointer;
            padding: 6px 4px;
            z-index: 1001;
        }

        .nav-toggle span {
            display: block;
            width: 24px;
            height: 2px;
            background-color: var(--color-primary);
            border-radius: 2px;
            transition: all var(--transition-base);
        }

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

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

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

        /* Breadcrumb */
        .breadcrumb-nav {
            display: flex;
            align-items: center;
            gap: 0.5rem;
            font-size: var(--font-small);
            color: var(--color-text-muted);
            padding: 1.25rem 0;
            flex-wrap: wrap;
        }

        .breadcrumb-nav a {
            color: var(--color-text-muted);
            transition: color var(--transition-fast);
        }

        .breadcrumb-nav a:hover {
            color: var(--color-primary);
        }

        .breadcrumb-nav .separator {
            color: var(--color-border);
            user-select: none;
        }

        .breadcrumb-nav .current {
            color: var(--color-primary);
            font-weight: 500;
        }

        /* Page Header */
        .page-header {
            padding-bottom: 2.5rem;
            border-bottom: 1px solid var(--color-border);
            margin-bottom: var(--section-gap);
        }

        .page-header h1 {
            font-size: var(--font-h1);
            font-weight: 800;
            letter-spacing: 0.02em;
            color: var(--color-text);
            margin-bottom: 1.25rem;
            line-height: 1.3;
            background: linear-gradient(135deg, var(--color-primary-bright) 0%, var(--color-primary) 35%, var(--color-primary-dark) 100%);
            -webkit-background-clip: text;
            -webkit-text-fill-color: transparent;
            background-clip: text;
        }

        .page-header .page-lead {
            font-size: 1.05rem;
            color: var(--color-text-secondary);
            max-width: 860px;
            line-height: 2;
            margin-bottom: 1rem;
        }

        /* Section Base */
        .section {
            padding: var(--section-gap) 0;
            position: relative;
        }

        .section-alt {
            background-color: var(--color-bg-alt);
            border-top: 1px solid var(--color-border);
            border-bottom: 1px solid var(--color-border);
        }

        .section-title-wrap {
            margin-bottom: clamp(2rem, 4vw, 3rem);
        }

        .section-title-wrap .section-tag {
            display: inline-block;
            font-size: 0.75rem;
            font-weight: 600;
            color: var(--color-primary);
            letter-spacing: 0.14em;
            text-transform: uppercase;
            padding: 0.3rem 0.8rem;
            border: 1px solid var(--color-gold-transparent);
            border-radius: 20px;
            background-color: rgba(212, 163, 58, 0.07);
            margin-bottom: 0.9rem;
        }

        .section-title-wrap h2 {
            font-size: var(--font-h2);
            font-weight: 700;
            color: var(--color-text);
            letter-spacing: 0.02em;
            line-height: 1.35;
            margin-bottom: 0.6rem;
        }

        .section-title-wrap .section-desc {
            color: var(--color-text-secondary);
            font-size: 0.95rem;
            max-width: 720px;
            line-height: 1.9;
        }

        /* Review List Cards */
        .review-list {
            display: grid;
            grid-template-columns: repeat(3, 1fr);
            gap: var(--card-spacing);
        }

        .review-card {
            background: var(--color-bg-card);
            border: 1px solid var(--color-gold-transparent);
            border-radius: var(--radius-card);
            overflow: hidden;
            box-shadow: var(--shadow-card);
            transition: all var(--transition-base);
            display: flex;
            flex-direction: column;
        }

        .review-card:hover {
            transform: translateY(-2px);
            border-color: var(--color-gold-hover-border);
            box-shadow: var(--shadow-card-hover);
        }

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

        .review-card .card-img-wrap img {
            width: 100%;
            height: 100%;
            object-fit: cover;
            transition: transform var(--transition-slow);
        }

        .review-card:hover .card-img-wrap img {
            transform: scale(1.04);
        }

        .review-card .card-badge {
            position: absolute;
            top: 0.75rem;
            left: 0.75rem;
            background: rgba(23, 19, 16, 0.88);
            color: var(--color-primary);
            font-size: 0.7rem;
            font-weight: 600;
            padding: 0.25rem 0.6rem;
            border-radius: var(--radius-sm);
            border: 1px solid var(--color-gold-transparent);
            letter-spacing: 0.05em;
        }

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

        .review-card .card-body h3 {
            font-size: 1.05rem;
            font-weight: 600;
            color: var(--color-text);
            line-height: 1.5;
            margin-bottom: 0.7rem;
        }

        .review-card .card-body .card-summary {
            font-size: 0.85rem;
            color: var(--color-text-secondary);
            line-height: 1.8;
            margin-bottom: 1rem;
            flex: 1;
        }

        .review-card .card-meta {
            display: flex;
            align-items: center;
            justify-content: space-between;
            padding-top: 0.75rem;
            border-top: 1px solid var(--color-border);
            font-size: 0.75rem;
            color: var(--color-text-muted);
        }

        .review-card .card-meta .read-link {
            color: var(--color-primary);
            font-weight: 500;
            font-size: 0.8rem;
            transition: color var(--transition-fast);
        }

        .review-card .card-meta .read-link:hover {
            color: var(--color-primary-bright);
        }

        /* Stats Section */
        .stats-grid {
            display: grid;
            grid-template-columns: repeat(4, 1fr);
            gap: var(--card-spacing);
        }

        .stat-card {
            background: var(--color-bg-card);
            border: 1px solid var(--color-gold-transparent);
            border-radius: var(--radius-card);
            padding: 1.75rem 1.5rem;
            text-align: center;
            box-shadow: var(--shadow-card);
            transition: all var(--transition-base);
        }

        .stat-card:hover {
            border-color: var(--color-gold-hover-border);
            transform: translateY(-2px);
            box-shadow: var(--shadow-card-hover);
        }

        .stat-card .stat-number {
            font-size: var(--font-data);
            font-weight: 800;
            color: var(--color-primary);
            line-height: 1.2;
            letter-spacing: 0.02em;
        }

        .stat-card .stat-label {
            font-size: 0.85rem;
            color: var(--color-text-secondary);
            margin-top: 0.6rem;
            letter-spacing: 0.03em;
        }

        .stat-card .stat-unit {
            font-size: 0.8rem;
            color: var(--color-text-muted);
            display: block;
            margin-top: 0.2rem;
        }

        /* Feature Cards */
        .feature-grid {
            display: grid;
            grid-template-columns: repeat(3, 1fr);
            gap: var(--card-spacing);
        }

        .feature-card {
            background: var(--color-bg-card);
            border: 1px solid var(--color-gold-transparent);
            border-radius: var(--radius-card);
            overflow: hidden;
            box-shadow: var(--shadow-card);
            transition: all var(--transition-base);
        }

        .feature-card:hover {
            border-color: var(--color-gold-hover-border);
            box-shadow: var(--shadow-card-hover);
            transform: translateY(-2px);
        }

        .feature-card .feature-img {
            aspect-ratio: 4 / 3;
            overflow: hidden;
            background-color: var(--color-bg-input);
        }

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

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

        .feature-card .feature-body {
            padding: 1.25rem;
        }

        .feature-card .feature-body h3 {
            font-size: 1rem;
            font-weight: 600;
            color: var(--color-text);
            margin-bottom: 0.5rem;
            line-height: 1.5;
        }

        .feature-card .feature-body p {
            font-size: 0.85rem;
            color: var(--color-text-secondary);
            line-height: 1.8;
            margin-bottom: 0;
        }

        /* Strategy Links List */
        .strategy-links {
            display: grid;
            grid-template-columns: 1fr 1fr;
            gap: 0.75rem 2rem;
            background: var(--color-bg-card);
            border: 1px solid var(--color-gold-transparent);
            border-radius: var(--radius-card);
            padding: 1.75rem 2rem;
            box-shadow: var(--shadow-card);
        }

        .strategy-link-item {
            display: flex;
            align-items: center;
            gap: 0.75rem;
            padding: 0.65rem 0.5rem;
            border-bottom: 1px solid var(--color-border);
            transition: all var(--transition-fast);
            border-radius: var(--radius-sm);
        }

        .strategy-link-item:last-child,
        .strategy-link-item:nth-last-child(2):nth-child(odd) {
            border-bottom: none;
        }

        .strategy-link-item:hover {
            background: rgba(212, 163, 58, 0.05);
            padding-left: 0.85rem;
        }

        .strategy-link-item .link-dot {
            width: 6px;
            height: 6px;
            background: var(--color-primary);
            border-radius: 50%;
            flex-shrink: 0;
        }

        .strategy-link-item a {
            color: var(--color-text-secondary);
            font-size: 0.9rem;
            font-weight: 500;
            transition: color var(--transition-fast);
            line-height: 1.6;
        }

        .strategy-link-item a:hover {
            color: var(--color-primary);
        }

        /* Deep Dive Block */
        .deep-dive-grid {
            display: grid;
            grid-template-columns: 1fr 1fr;
            gap: clamp(2rem, 4vw, 3.5rem);
            align-items: center;
        }

        .deep-dive-text h2 {
            font-size: var(--font-h2);
            font-weight: 700;
            color: var(--color-text);
            margin-bottom: 1rem;
            line-height: 1.4;
        }

        .deep-dive-text p {
            color: var(--color-text-secondary);
            line-height: 2;
            margin-bottom: 1rem;
            font-size: 0.95rem;
        }

        .deep-dive-text .highlight-tag {
            display: inline-block;
            background: rgba(212, 163, 58, 0.1);
            color: var(--color-primary);
            font-size: 0.8rem;
            font-weight: 600;
            padding: 0.3rem 0.8rem;
            border-radius: var(--radius-sm);
            border: 1px solid var(--color-gold-transparent);
            margin-bottom: 1rem;
        }

        .deep-dive-img {
            border-radius: var(--radius-card);
            overflow: hidden;
            border: 1px solid var(--color-gold-transparent);
            box-shadow: var(--shadow-card);
        }

        .deep-dive-img img {
            width: 100%;
            height: 100%;
            object-fit: cover;
            aspect-ratio: 4 / 3;
        }

        /* FAQ */
        .faq-list {
            max-width: 860px;
            margin: 0 auto;
        }

        .faq-item {
            border: 1px solid var(--color-border);
            border-radius: var(--radius-card);
            margin-bottom: 0.85rem;
            background-color: var(--color-bg-card);
            overflow: hidden;
            transition: border-color var(--transition-fast);
        }

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

        .faq-item.open {
            border-color: var(--color-gold-hover-border);
        }

        .faq-question {
            display: flex;
            align-items: center;
            justify-content: space-between;
            gap: 1rem;
            padding: 1.1rem 1.5rem;
            cursor: pointer;
            background: none;
            border: none;
            width: 100%;
            text-align: left;
            font-family: inherit;
            font-size: 0.95rem;
            font-weight: 600;
            color: var(--color-text);
            letter-spacing: 0.01em;
            transition: background var(--transition-fast);
        }

        .faq-question:hover {
            background: rgba(212, 163, 58, 0.04);
        }

        .faq-arrow {
            flex-shrink: 0;
            width: 28px;
            height: 28px;
            border: 1px solid var(--color-gold-transparent);
            border-radius: 50%;
            display: flex;
            align-items: center;
            justify-content: center;
            color: var(--color-primary);
            font-size: 0.75rem;
            transition: transform var(--transition-base);
        }

        .faq-item.open .faq-arrow {
            transform: rotate(180deg);
            background: rgba(212, 163, 58, 0.1);
        }

        .faq-answer {
            max-height: 0;
            overflow: hidden;
            transition: max-height var(--transition-slow), padding var(--transition-slow);
            padding: 0 1.5rem;
        }

        .faq-item.open .faq-answer {
            max-height: 500px;
            padding: 0 1.5rem 1.25rem;
        }

        .faq-answer p {
            color: var(--color-text-secondary);
            font-size: 0.88rem;
            line-height: 1.9;
            margin: 0;
        }

        /* CTA */
        .cta-section {
            background: linear-gradient(135deg, #1e1710 0%, #251d12 50%, #1a1410 100%);
            border: 1px solid var(--color-gold-transparent);
            border-radius: var(--radius-card);
            padding: clamp(2.5rem, 5vw, 4rem);
            text-align: center;
            position: relative;
            overflow: hidden;
            box-shadow: var(--shadow-card);
        }

        .cta-section::before {
            content: "";
            position: absolute;
            top: -60%;
            right: -20%;
            width: 400px;
            height: 400px;
            background: radial-gradient(circle, rgba(212, 163, 58, 0.12) 0%, transparent 70%);
            border-radius: 50%;
            pointer-events: none;
        }

        .cta-section h2 {
            font-size: var(--font-h2);
            font-weight: 700;
            color: var(--color-text);
            margin-bottom: 0.8rem;
            position: relative;
            z-index: 1;
        }

        .cta-section p {
            color: var(--color-text-secondary);
            max-width: 560px;
            margin: 0 auto 1.75rem;
            font-size: 0.95rem;
            line-height: 1.9;
            position: relative;
            z-index: 1;
        }

        .btn-gold {
            display: inline-block;
            background: linear-gradient(135deg, var(--color-primary-dark), var(--color-primary), var(--color-primary-bright));
            color: var(--color-bg);
            font-weight: 700;
            padding: 0.8rem 2.2rem;
            border-radius: var(--radius-btn);
            font-size: 0.95rem;
            letter-spacing: 0.04em;
            border: none;
            cursor: pointer;
            transition: all var(--transition-fast);
            position: relative;
            z-index: 1;
            font-family: inherit;
        }

        .btn-gold:hover {
            background: var(--color-primary-bright);
            box-shadow: var(--shadow-btn);
            transform: translateY(-2px);
            color: var(--color-bg);
        }

        .btn-gold-outline {
            display: inline-block;
            background: transparent;
            color: var(--color-primary);
            font-weight: 600;
            padding: 0.75rem 1.8rem;
            border-radius: var(--radius-btn);
            font-size: 0.9rem;
            letter-spacing: 0.03em;
            border: 1px solid var(--color-gold-transparent);
            cursor: pointer;
            transition: all var(--transition-fast);
            position: relative;
            z-index: 1;
            font-family: inherit;
            margin-left: 0.75rem;
        }

        .btn-gold-outline:hover {
            border-color: var(--color-primary);
            background: rgba(212, 163, 58, 0.08);
            color: var(--color-primary-bright);
        }

        /* Footer */
        .site-footer {
            background-color: #100d0b;
            border-top: 1px solid var(--color-border);
            padding: 3.5rem 0 0;
            margin-top: var(--section-gap);
        }

        .footer-grid {
            display: grid;
            grid-template-columns: 2fr 1fr 1fr 1fr;
            gap: clamp(2rem, 4vw, 3rem);
            padding-bottom: 2.5rem;
            border-bottom: 1px solid var(--color-border);
        }

        .footer-brand h3 {
            font-size: 1.3rem;
            font-weight: 700;
            color: var(--color-primary);
            margin-bottom: 0.8rem;
            letter-spacing: 0.03em;
        }

        .footer-brand p {
            color: var(--color-text-muted);
            font-size: 0.85rem;
            line-height: 1.8;
            max-width: 300px;
            margin-bottom: 0;
        }

        .footer-col h4 {
            font-size: 0.9rem;
            font-weight: 600;
            color: var(--color-text);
            margin-bottom: 1rem;
            letter-spacing: 0.03em;
        }

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

        .footer-col ul li {
            margin-bottom: 0.55rem;
        }

        .footer-col ul li a {
            color: var(--color-text-muted);
            font-size: 0.85rem;
            transition: color var(--transition-fast);
            line-height: 1.6;
        }

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

        .footer-bottom {
            display: flex;
            align-items: center;
            justify-content: space-between;
            flex-wrap: wrap;
            gap: 0.75rem;
            padding: 1.5rem 0;
            font-size: 0.78rem;
            color: var(--color-text-muted);
        }

        .footer-bottom-links {
            display: flex;
            align-items: center;
            gap: 1.25rem;
            flex-wrap: wrap;
        }

        .footer-bottom-links a {
            color: var(--color-text-muted);
            transition: color var(--transition-fast);
            font-size: 0.78rem;
        }

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

        /* Responsive */
        @media (max-width: 991px) {
            .review-list {
                grid-template-columns: repeat(2, 1fr);
            }
            .feature-grid {
                grid-template-columns: repeat(2, 1fr);
            }
            .stats-grid {
                grid-template-columns: repeat(2, 1fr);
            }
            .deep-dive-grid {
                grid-template-columns: 1fr;
            }
            .footer-grid {
                grid-template-columns: 1fr 1fr;
            }
            .strategy-links {
                grid-template-columns: 1fr;
                padding: 1.25rem 1.5rem;
            }
        }

        @media (max-width: 767px) {
            .nav-menu {
                position: fixed;
                top: var(--nav-height);
                left: 0;
                right: 0;
                bottom: 0;
                background: rgba(23, 19, 16, 0.99);
                flex-direction: column;
                align-items: flex-start;
                padding: 2rem 1.5rem;
                gap: 1.5rem;
                transform: translateX(100%);
                transition: transform var(--transition-base);
                z-index: 999;
                overflow-y: auto;
            }
            .nav-menu.open {
                transform: translateX(0);
            }
            .nav-menu a {
                font-size: 1.1rem;
                padding: 0.5rem 0;
            }
            .nav-toggle {
                display: flex;
            }
            .nav-cta {
                display: none;
            }
            .review-list {
                grid-template-columns: 1fr;
            }
            .feature-grid {
                grid-template-columns: 1fr;
            }
            .stats-grid {
                grid-template-columns: 1fr 1fr;
                gap: 0.85rem;
            }
            .footer-grid {
                grid-template-columns: 1fr;
                gap: 1.5rem;
            }
            .footer-bottom {
                flex-direction: column;
                align-items: flex-start;
            }
            .page-header h1 {
                font-size: 1.8rem;
            }
            .cta-section {
                padding: 2rem 1.25rem;
            }
            .btn-gold-outline {
                margin-left: 0;
                margin-top: 0.6rem;
            }
            .strategy-links {
                grid-template-columns: 1fr;
            }
            .strategy-link-item:nth-last-child(2) {
                border-bottom: 1px solid var(--color-border);
            }
            .strategy-link-item:last-child {
                border-bottom: none;
            }
        }

        @media (max-width: 520px) {
            .stats-grid {
                grid-template-columns: 1fr 1fr;
                gap: 0.6rem;
            }
            .stat-card {
                padding: 1.25rem 0.9rem;
            }
            .stat-card .stat-number {
                font-size: 1.8rem;
            }
            .section-title-wrap h2 {
                font-size: 1.35rem;
            }
            .review-card .card-body h3 {
                font-size: 0.95rem;
            }
        }

/* 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}