/* roulang page: index */
:root {
            --primary: #1E4D3B;
            --primary-light: #E8F1ED;
            --accent: #D94A3D;
            --accent-dark: #C43B2F;
            --gold: #C9A96E;
            --bg: #F7F5F0;
            --card-bg: #FFFFFF;
            --text-main: #1A1A1A;
            --text-secondary: #5A5A5A;
            --border: #E5E0D8;
            --radius-sm: 8px;
            --radius-lg: 12px;
            --shadow-sm: 0 2px 8px rgba(0, 0, 0, 0.05);
            --shadow-hover: 0 4px 16px rgba(0, 0, 0, 0.08);
            --font-family: "PingFang SC", "Microsoft YaHei", "Noto Sans SC", sans-serif;
            --container-max: 1200px;
            --section-spacing: 64px;
            --section-spacing-mobile: 40px;
            --transition: all 0.2s ease;
        }
        *,
        *::before,
        *::after {
            box-sizing: border-box;
            margin: 0;
            padding: 0;
        }
        html {
            scroll-behavior: smooth;
            -webkit-text-size-adjust: 100%;
        }
        body {
            font-family: var(--font-family);
            font-size: 16px;
            line-height: 1.8;
            color: var(--text-main);
            background-color: var(--bg);
            -webkit-font-smoothing: antialiased;
            -moz-osx-font-smoothing: grayscale;
        }
        a {
            color: var(--primary);
            text-decoration: none;
            transition: var(--transition);
        }
        a:hover {
            color: var(--accent);
        }
        img {
            max-width: 100%;
            height: auto;
            display: block;
        }
        button {
            cursor: pointer;
            border: none;
            background: none;
            font-family: inherit;
        }
        input {
            font-family: inherit;
        }
        .container {
            max-width: var(--container-max);
            margin: 0 auto;
            padding: 0 24px;
        }
        .section {
            padding: var(--section-spacing) 0;
        }
        .section-alt {
            background: #EFECE6;
        }
        .section-title {
            font-size: 30px;
            font-weight: 700;
            line-height: 1.3;
            color: var(--text-main);
            margin-bottom: 16px;
            position: relative;
        }
        .section-title::after {
            content: '';
            display: block;
            width: 56px;
            height: 4px;
            background: var(--accent);
            border-radius: 2px;
            margin-top: 10px;
        }
        .section-desc {
            font-size: 16px;
            color: var(--text-secondary);
            line-height: 1.8;
            margin-bottom: 32px;
        }
        .section-head {
            margin-bottom: 36px;
        }
        .section-head .section-title {
            margin-bottom: 8px;
        }
        .btn {
            display: inline-flex;
            align-items: center;
            justify-content: center;
            gap: 8px;
            padding: 12px 24px;
            border-radius: 24px;
            font-size: 15px;
            font-weight: 600;
            line-height: 1.5;
            transition: var(--transition);
            text-align: center;
            white-space: nowrap;
        }
        .btn-primary {
            background: var(--accent);
            color: #fff;
        }
        .btn-primary:hover {
            background: var(--accent-dark);
            color: #fff;
            transform: translateY(-1px);
        }
        .btn-primary:active {
            transform: translateY(0);
        }
        .btn-secondary {
            background: transparent;
            border: 1.5px solid var(--primary);
            color: var(--primary);
        }
        .btn-secondary:hover {
            background: var(--primary-light);
            border-color: var(--primary);
            color: var(--primary);
            transform: translateY(-1px);
        }
        .btn-secondary:active {
            transform: translateY(0);
        }
        .btn:focus-visible,
        a:focus-visible,
        button:focus-visible,
        input:focus-visible {
            outline: 2px solid var(--accent);
            outline-offset: 2px;
        }
        .tag {
            display: inline-block;
            padding: 3px 10px;
            border-radius: 20px;
            font-size: 12px;
            font-weight: 500;
            line-height: 1.6;
            background: #F0EDE7;
            color: var(--text-secondary);
        }
        .tag-accent {
            background: #FBE8E5;
            color: var(--accent);
        }
        .tag-green {
            background: var(--primary-light);
            color: var(--primary);
        }
        .tag-gold {
            background: #F7F0E3;
            color: #8B6F3D;
        }
        .badge {
            display: inline-flex;
            align-items: center;
            gap: 4px;
            padding: 4px 10px;
            border-radius: 16px;
            font-size: 12px;
            font-weight: 600;
            background: var(--accent);
            color: #fff;
        }
        .card {
            background: var(--card-bg);
            border-radius: var(--radius-sm);
            box-shadow: var(--shadow-sm);
            padding: 24px;
            transition: var(--transition);
            border: 1px solid transparent;
        }
        .card:hover {
            box-shadow: var(--shadow-hover);
            border-color: var(--border);
        }
        .cover-image {
            width: 100%;
            border-radius: var(--radius-sm);
            overflow: hidden;
            position: relative;
            aspect-ratio: 16/9;
            background: #E8E4DC;
        }
        .cover-image img {
            width: 100%;
            height: 100%;
            object-fit: cover;
            transition: transform 0.3s ease;
        }
        .card:hover .cover-image img {
            transform: scale(1.02);
        }
        .cover-image::after {
            content: '';
            position: absolute;
            inset: 0;
            background: linear-gradient(180deg, transparent 60%, rgba(0, 0, 0, 0.15));
            pointer-events: none;
            border-radius: var(--radius-sm);
        }
        .divider {
            border: none;
            border-top: 1px solid var(--border);
            margin: 24px 0;
        }
        .text-accent {
            color: var(--accent);
        }
        .text-gold {
            color: var(--gold);
        }
        .text-secondary {
            color: var(--text-secondary);
        }
        .text-primary {
            color: var(--primary);
        }

        /* Header/Nav */
        .site-header {
            background: var(--card-bg);
            border-bottom: 1px solid var(--border);
            position: sticky;
            top: 0;
            z-index: 100;
            height: 64px;
            display: flex;
            align-items: center;
            box-shadow: 0 1px 4px rgba(0, 0, 0, 0.03);
        }
        .site-header .container {
            display: flex;
            align-items: center;
            justify-content: space-between;
            width: 100%;
        }
        .logo {
            display: flex;
            align-items: center;
            gap: 10px;
            font-size: 19px;
            font-weight: 700;
            color: var(--primary);
            letter-spacing: 0.5px;
        }
        .logo-icon {
            width: 32px;
            height: 32px;
            border-radius: 50%;
            background: var(--primary);
            color: #fff;
            display: flex;
            align-items: center;
            justify-content: center;
            font-size: 16px;
            font-weight: 700;
            flex-shrink: 0;
        }
        .logo:hover {
            color: var(--primary);
        }
        .nav-list {
            display: flex;
            list-style: none;
            gap: 28px;
            align-items: center;
        }
        .nav-list a {
            font-size: 14px;
            font-weight: 500;
            color: var(--text-secondary);
            padding: 8px 0 6px;
            position: relative;
            letter-spacing: 0.3px;
        }
        .nav-list a:hover {
            color: var(--primary);
        }
        .nav-list a.active {
            color: var(--primary);
            font-weight: 600;
        }
        .nav-list a.active::after {
            content: '';
            position: absolute;
            bottom: -1px;
            left: 0;
            right: 0;
            height: 2px;
            background: var(--accent);
            border-radius: 1px;
        }
        .hamburger {
            display: none;
            flex-direction: column;
            gap: 5px;
            padding: 8px;
            border-radius: 6px;
            background: none;
        }
        .hamburger span {
            display: block;
            width: 24px;
            height: 2px;
            background: var(--primary);
            border-radius: 1px;
            transition: var(--transition);
        }
        .hamburger[aria-expanded="true"] span:nth-child(1) {
            transform: translateY(7px) rotate(45deg);
        }
        .hamburger[aria-expanded="true"] span:nth-child(2) {
            opacity: 0;
        }
        .hamburger[aria-expanded="true"] span:nth-child(3) {
            transform: translateY(-7px) rotate(-45deg);
        }

        /* Hero */
        .hero {
            background: linear-gradient(135deg, #E8F1ED 0%, #F7F5F0 70%);
            padding: 56px 0 48px;
        }
        .hero .container {
            display: grid;
            grid-template-columns: 1fr 1fr;
            gap: 40px;
            align-items: center;
        }
        .hero-content h1 {
            font-size: 42px;
            font-weight: 700;
            line-height: 1.2;
            letter-spacing: -0.5px;
            margin-bottom: 18px;
            color: var(--text-main);
        }
        .hero-content .hero-sub {
            font-size: 17px;
            color: var(--text-secondary);
            line-height: 1.8;
            margin-bottom: 28px;
            max-width: 520px;
        }
        .hero-actions {
            display: flex;
            gap: 14px;
            flex-wrap: wrap;
        }
        .hero-image {
            border-radius: var(--radius-lg);
            overflow: hidden;
            box-shadow: 0 8px 24px rgba(0, 0, 0, 0.1);
            aspect-ratio: 16/10;
            background: #E8E4DC;
        }
        .hero-image img {
            width: 100%;
            height: 100%;
            object-fit: cover;
        }

        /* Stats strip */
        .stats-strip {
            background: var(--card-bg);
            border-top: 1px solid var(--border);
            border-bottom: 1px solid var(--border);
            padding: 28px 0;
        }
        .stats-grid {
            display: grid;
            grid-template-columns: repeat(4, 1fr);
            gap: 24px;
        }
        .stat-item {
            text-align: center;
            padding: 8px;
        }
        .stat-number {
            font-size: 34px;
            font-weight: 700;
            color: var(--gold);
            line-height: 1.2;
            letter-spacing: -0.5px;
        }
        .stat-label {
            font-size: 13px;
            color: var(--text-secondary);
            font-weight: 500;
            margin-top: 6px;
        }
        .stat-desc {
            font-size: 12px;
            color: #8A8A8A;
            margin-top: 2px;
        }

        /* Card grid */
        .card-grid {
            display: grid;
            grid-template-columns: repeat(3, 1fr);
            gap: 24px;
        }
        .card-grid-4 {
            display: grid;
            grid-template-columns: repeat(4, 1fr);
            gap: 24px;
        }
        .picks-card .card-body {
            padding-top: 14px;
        }
        .picks-card .card-title {
            font-size: 18px;
            font-weight: 700;
            line-height: 1.4;
            margin-bottom: 8px;
            color: var(--text-main);
        }
        .picks-card .card-summary {
            font-size: 14px;
            color: var(--text-secondary);
            line-height: 1.7;
            margin-bottom: 14px;
        }
        .card-meta {
            display: flex;
            align-items: center;
            gap: 8px;
            flex-wrap: wrap;
            font-size: 12px;
            color: #8A8A8A;
        }
        .confidence {
            font-weight: 600;
            color: var(--accent);
        }

        /* Article list */
        .article-list {
            display: flex;
            flex-direction: column;
            gap: 18px;
        }
        .article-item {
            padding: 18px 20px;
            background: var(--card-bg);
            border-radius: var(--radius-sm);
            border: 1px solid var(--border);
            transition: var(--transition);
        }
        .article-item:hover {
            box-shadow: var(--shadow-sm);
            border-color: #D8D2C8;
        }
        .article-item .article-top {
            display: flex;
            align-items: center;
            justify-content: space-between;
            gap: 16px;
            flex-wrap: wrap;
        }
        .article-item .article-title {
            font-size: 17px;
            font-weight: 600;
            line-height: 1.5;
            color: var(--text-main);
        }
        .article-item .article-summary {
            font-size: 14px;
            color: var(--text-secondary);
            margin-top: 6px;
            line-height: 1.7;
        }
        .article-item .article-meta {
            font-size: 12px;
            color: #8A8A8A;
            margin-top: 8px;
            display: flex;
            gap: 12px;
            flex-wrap: wrap;
        }

        /* Data insight block */
        .data-insight-grid {
            display: grid;
            grid-template-columns: 1fr 1fr;
            gap: 36px;
            align-items: center;
        }
        .data-insight-text {
            font-size: 15px;
            color: var(--text-secondary);
            line-height: 1.85;
        }
        .data-insight-text p {
            margin-bottom: 14px;
        }
        .chart-placeholder {
            background: var(--card-bg);
            border-radius: var(--radius-sm);
            padding: 28px;
            border: 1px solid var(--border);
            height: 260px;
            display: flex;
            flex-direction: column;
            justify-content: flex-end;
            gap: 8px;
        }
        .chart-bars {
            display: flex;
            gap: 12px;
            align-items: flex-end;
            height: 160px;
            padding-bottom: 8px;
            border-bottom: 1px solid var(--border);
        }
        .chart-bar {
            flex: 1;
            background: var(--primary);
            border-radius: 4px 4px 0 0;
            transition: var(--transition);
            min-height: 20px;
        }
        .chart-bar:hover {
            background: var(--accent);
        }
        .chart-bar-label {
            font-size: 11px;
            color: #8A8A8A;
            text-align: center;
            padding-top: 8px;
        }
        .chart-legend {
            display: flex;
            justify-content: space-between;
            font-size: 12px;
            color: var(--text-secondary);
            margin-top: 12px;
        }

        /* League cards */
        .league-card {
            background: var(--card-bg);
            border-radius: var(--radius-sm);
            overflow: hidden;
            box-shadow: var(--shadow-sm);
            transition: var(--transition);
            border: 1px solid transparent;
        }
        .league-card:hover {
            box-shadow: var(--shadow-hover);
            border-color: var(--border);
            transform: translateY(-2px);
        }
        .league-card .league-info {
            padding: 16px 18px 18px;
        }
        .league-card .league-name {
            font-size: 18px;
            font-weight: 700;
            margin-bottom: 6px;
        }
        .league-card .league-focus {
            font-size: 13px;
            color: var(--text-secondary);
            line-height: 1.6;
        }

        /* Expert cards */
        .expert-grid {
            display: grid;
            grid-template-columns: repeat(3, 1fr);
            gap: 24px;
        }
        .expert-card {
            background: var(--card-bg);
            border-radius: var(--radius-sm);
            padding: 24px;
            box-shadow: var(--shadow-sm);
            transition: var(--transition);
            border: 1px solid transparent;
            text-align: center;
        }
        .expert-card:hover {
            box-shadow: var(--shadow-hover);
            border-color: var(--border);
        }
        .expert-avatar {
            width: 56px;
            height: 56px;
            border-radius: 50%;
            background: var(--primary-light);
            color: var(--primary);
            display: flex;
            align-items: center;
            justify-content: center;
            font-size: 22px;
            font-weight: 600;
            margin: 0 auto 12px;
        }
        .expert-name {
            font-size: 16px;
            font-weight: 700;
            margin-bottom: 4px;
        }
        .expert-tags {
            display: flex;
            gap: 6px;
            justify-content: center;
            flex-wrap: wrap;
            margin-bottom: 10px;
        }
        .expert-comment {
            font-size: 13px;
            color: var(--text-secondary);
            line-height: 1.7;
        }

        /* Brand intro */
        .brand-intro {
            background: var(--primary);
            color: #F5F2EB;
            border-radius: var(--radius-lg);
            padding: 40px 44px;
        }
        .brand-intro .section-title {
            color: #fff;
        }
        .brand-intro .section-title::after {
            background: var(--gold);
        }
        .brand-intro p {
            font-size: 15px;
            line-height: 1.9;
            color: #E6E1D8;
            margin-bottom: 16px;
        }
        .brand-intro a {
            color: var(--gold);
        }
        .brand-intro a:hover {
            color: #E0C58B;
        }

        /* Timeline */
        .timeline {
            display: flex;
            flex-direction: column;
            gap: 14px;
        }
        .timeline-item {
            display: flex;
            gap: 16px;
            align-items: baseline;
            padding: 12px 16px;
            background: var(--card-bg);
            border-radius: var(--radius-sm);
            border-left: 3px solid var(--accent);
            transition: var(--transition);
        }
        .timeline-item:hover {
            box-shadow: var(--shadow-sm);
        }
        .timeline-date {
            font-size: 13px;
            font-weight: 600;
            color: var(--accent);
            white-space: nowrap;
            min-width: 64px;
        }
        .timeline-content {
            font-size: 14px;
            color: var(--text-secondary);
            line-height: 1.6;
        }

        /* Replay chart */
        .replay-block {
            display: grid;
            grid-template-columns: 1fr 1fr;
            gap: 32px;
            align-items: center;
        }
        .replay-chart {
            background: var(--card-bg);
            border-radius: var(--radius-sm);
            padding: 28px;
            border: 1px solid var(--border);
        }
        .replay-text {
            font-size: 14px;
            color: var(--text-secondary);
            line-height: 1.85;
        }

        /* Deep column */
        .column-list {
            display: flex;
            flex-direction: column;
            gap: 18px;
        }
        .column-item {
            padding: 16px 20px;
            background: var(--card-bg);
            border-radius: var(--radius-sm);
            border: 1px solid var(--border);
            transition: var(--transition);
        }
        .column-item:hover {
            box-shadow: var(--shadow-sm);
        }
        .column-item .column-title {
            font-size: 16px;
            font-weight: 600;
            line-height: 1.5;
        }
        .column-item .column-summary {
            font-size: 14px;
            color: var(--text-secondary);
            margin: 6px 0 8px;
            line-height: 1.7;
        }
        .column-item .column-meta {
            font-size: 12px;
            color: #8A8A8A;
            display: flex;
            gap: 14px;
            flex-wrap: wrap;
        }

        /* Weekly picks */
        .weekly-scroll {
            display: flex;
            gap: 18px;
            overflow-x: auto;
            padding-bottom: 12px;
            scroll-snap-type: x mandatory;
            -webkit-overflow-scrolling: touch;
        }
        .weekly-card {
            min-width: 280px;
            max-width: 300px;
            scroll-snap-align: start;
            background: var(--card-bg);
            border-radius: var(--radius-sm);
            padding: 20px;
            box-shadow: var(--shadow-sm);
            border: 1px solid var(--border);
            transition: var(--transition);
            flex-shrink: 0;
        }
        .weekly-card:hover {
            box-shadow: var(--shadow-hover);
        }
        .weekly-card .weekly-title {
            font-size: 15px;
            font-weight: 600;
            margin-bottom: 6px;
            line-height: 1.5;
        }
        .weekly-card .weekly-desc {
            font-size: 13px;
            color: var(--text-secondary);
            line-height: 1.7;
        }

        /* Guide cards */
        .guide-grid {
            display: grid;
            grid-template-columns: repeat(3, 1fr);
            gap: 20px;
        }
        .guide-card {
            background: var(--card-bg);
            border-radius: var(--radius-sm);
            padding: 22px;
            box-shadow: var(--shadow-sm);
            border: 1px solid var(--border);
            transition: var(--transition);
        }
        .guide-card:hover {
            box-shadow: var(--shadow-hover);
            transform: translateY(-2px);
        }
        .guide-card .guide-title {
            font-size: 16px;
            font-weight: 600;
            margin-bottom: 6px;
        }
        .guide-card .guide-desc {
            font-size: 13px;
            color: var(--text-secondary);
            line-height: 1.7;
        }

        /* FAQ */
        .faq-list {
            display: flex;
            flex-direction: column;
            gap: 12px;
        }
        .faq-item {
            background: var(--card-bg);
            border-radius: var(--radius-sm);
            border: 1px solid var(--border);
            overflow: hidden;
            transition: var(--transition);
        }
        .faq-item.open {
            box-shadow: var(--shadow-sm);
        }
        .faq-question {
            width: 100%;
            display: flex;
            align-items: center;
            justify-content: space-between;
            gap: 16px;
            padding: 18px 20px;
            font-size: 16px;
            font-weight: 600;
            color: var(--text-main);
            text-align: left;
            background: none;
            transition: var(--transition);
        }
        .faq-question:hover {
            color: var(--primary);
        }
        .faq-icon {
            font-size: 22px;
            font-weight: 300;
            color: var(--primary);
            flex-shrink: 0;
            transition: transform 0.2s ease;
            line-height: 1;
        }
        .faq-item.open .faq-icon {
            transform: rotate(45deg);
        }
        .faq-answer {
            max-height: 0;
            overflow: hidden;
            transition: max-height 0.3s ease, padding 0.3s ease;
            padding: 0 20px;
        }
        .faq-item.open .faq-answer {
            max-height: 400px;
            padding: 0 20px 18px;
        }
        .faq-answer p {
            font-size: 14px;
            color: var(--text-secondary);
            line-height: 1.8;
        }

        /* Tool entry */
        .tool-entry {
            background: linear-gradient(135deg, #FBE8E5 0%, #F7F5F0 80%);
            border-radius: var(--radius-lg);
            padding: 32px 36px;
            display: flex;
            align-items: center;
            justify-content: space-between;
            gap: 24px;
            flex-wrap: wrap;
            border: 1px solid #F0D8D2;
        }
        .tool-entry .tool-text {
            font-size: 15px;
            color: var(--text-secondary);
            line-height: 1.8;
            max-width: 620px;
        }
        .tool-entry .tool-title {
            font-size: 20px;
            font-weight: 700;
            color: var(--text-main);
            margin-bottom: 6px;
        }

        /* Calendar */
        .calendar-list {
            display: flex;
            flex-direction: column;
            gap: 10px;
        }
        .calendar-item {
            display: flex;
            align-items: center;
            gap: 16px;
            padding: 12px 16px;
            background: var(--card-bg);
            border-radius: var(--radius-sm);
            border: 1px solid var(--border);
            transition: var(--transition);
            flex-wrap: wrap;
        }
        .calendar-item:hover {
            box-shadow: var(--shadow-sm);
        }
        .calendar-date {
            font-size: 13px;
            font-weight: 600;
            color: var(--primary);
            min-width: 62px;
        }
        .calendar-league {
            font-size: 12px;
            font-weight: 500;
            background: var(--primary-light);
            color: var(--primary);
            padding: 2px 8px;
            border-radius: 12px;
            white-space: nowrap;
        }
        .calendar-match {
            font-size: 14px;
            font-weight: 500;
            color: var(--text-main);
            flex: 1;
        }
        .calendar-time {
            font-size: 12px;
            color: #8A8A8A;
            white-space: nowrap;
        }

        /* Subscribe */
        .subscribe-section {
            background: var(--primary);
            color: #fff;
            border-radius: var(--radius-lg);
            padding: 40px 44px;
            text-align: center;
        }
        .subscribe-section .subscribe-title {
            font-size: 24px;
            font-weight: 700;
            margin-bottom: 10px;
        }
        .subscribe-section .subscribe-desc {
            font-size: 15px;
            color: #E6E1D8;
            margin-bottom: 24px;
        }
        .subscribe-form {
            display: flex;
            gap: 12px;
            max-width: 460px;
            margin: 0 auto;
        }
        .subscribe-form input {
            flex: 1;
            height: 44px;
            border-radius: 8px;
            border: 1px solid var(--border);
            padding: 0 16px;
            font-size: 14px;
            background: #fff;
            color: var(--text-main);
            outline: none;
        }
        .subscribe-form input:focus {
            border-color: var(--gold);
            box-shadow: 0 0 0 2px rgba(201, 169, 110, 0.25);
        }
        .subscribe-form .btn {
            height: 44px;
        }

        /* Footer */
        .site-footer {
            background: #1A1A1A;
            color: #B5B0A8;
            padding: 48px 0 24px;
            font-size: 12px;
            line-height: 1.8;
        }
        .site-footer a {
            color: #D8D2C8;
        }
        .site-footer a:hover {
            color: var(--gold);
        }
        .footer-top {
            display: grid;
            grid-template-columns: 2fr 1fr 1fr 1fr;
            gap: 32px;
            margin-bottom: 36px;
        }
        .footer-brand {
            font-size: 18px;
            font-weight: 700;
            color: #fff;
        }
        .footer-brand .logo-icon {
            display: inline-flex;
            margin-right: 8px;
            vertical-align: middle;
        }
        .footer-desc {
            font-size: 12px;
            color: #8A8A8A;
            margin-top: 10px;
            max-width: 300px;
        }
        .footer-col h4 {
            font-size: 14px;
            font-weight: 600;
            color: #fff;
            margin-bottom: 12px;
        }
        .footer-col ul {
            list-style: none;
            display: flex;
            flex-direction: column;
            gap: 8px;
        }
        .footer-bottom {
            border-top: 1px solid #333;
            padding-top: 20px;
            display: flex;
            flex-wrap: wrap;
            gap: 12px;
            align-items: center;
            justify-content: space-between;
            font-size: 11px;
            color: #8A8A8A;
        }
        .footer-bottom .footer-links {
            display: flex;
            gap: 18px;
            flex-wrap: wrap;
        }

        /* Breadcrumb (for inner pages, but include for completeness) */
        .breadcrumb {
            display: flex;
            gap: 8px;
            align-items: center;
            font-size: 13px;
            color: var(--text-secondary);
            margin-bottom: 16px;
            flex-wrap: wrap;
        }
        .breadcrumb a {
            color: var(--primary);
        }
        .breadcrumb span {
            color: #8A8A8A;
        }

        /* Responsive */
        @media (max-width: 1024px) {
            .card-grid {
                grid-template-columns: repeat(2, 1fr);
            }
            .card-grid-4 {
                grid-template-columns: repeat(2, 1fr);
            }
            .expert-grid {
                grid-template-columns: repeat(2, 1fr);
            }
            .guide-grid {
                grid-template-columns: repeat(2, 1fr);
            }
            .footer-top {
                grid-template-columns: 2fr 1fr 1fr;
            }
            .hero .container {
                grid-template-columns: 1fr 1fr;
                gap: 28px;
            }
            .hero-content h1 {
                font-size: 34px;
            }
        }
        @media (max-width: 768px) {
            .site-header {
                height: 56px;
            }
            .nav-list {
                position: absolute;
                top: 56px;
                left: 0;
                right: 0;
                background: var(--card-bg);
                flex-direction: column;
                gap: 0;
                padding: 12px 24px;
                border-bottom: 1px solid var(--border);
                box-shadow: 0 8px 16px rgba(0, 0, 0, 0.06);
                display: none;
            }
            .nav-list.open {
                display: flex;
            }
            .nav-list a {
                padding: 12px 0;
                border-bottom: 1px solid #F0EDE7;
                width: 100%;
            }
            .nav-list a:last-child {
                border-bottom: none;
            }
            .nav-list a.active::after {
                display: none;
            }
            .nav-list a.active {
                color: var(--accent);
            }
            .hamburger {
                display: flex;
            }
            .section {
                padding: var(--section-spacing-mobile) 0;
            }
            .section-title {
                font-size: 24px;
            }
            .hero {
                padding: 32px 0;
            }
            .hero .container {
                grid-template-columns: 1fr;
                gap: 24px;
            }
            .hero-content h1 {
                font-size: 28px;
                text-align: left;
            }
            .hero-content .hero-sub {
                font-size: 15px;
            }
            .hero-actions {
                flex-direction: column;
                gap: 10px;
            }
            .hero-actions .btn {
                width: 100%;
            }
            .stats-grid {
                grid-template-columns: repeat(2, 1fr);
                gap: 16px;
            }
            .card-grid {
                grid-template-columns: 1fr;
                gap: 16px;
            }
            .card-grid-4 {
                grid-template-columns: repeat(2, 1fr);
                gap: 16px;
            }
            .expert-grid {
                grid-template-columns: 1fr;
                gap: 16px;
            }
            .guide-grid {
                grid-template-columns: 1fr;
                gap: 16px;
            }
            .data-insight-grid {
                grid-template-columns: 1fr;
                gap: 20px;
            }
            .replay-block {
                grid-template-columns: 1fr;
                gap: 20px;
            }
            .brand-intro {
                padding: 28px 22px;
            }
            .tool-entry {
                padding: 24px 20px;
                flex-direction: column;
            }
            .subscribe-section {
                padding: 28px 20px;
            }
            .subscribe-form {
                flex-direction: column;
            }
            .footer-top {
                grid-template-columns: 1fr;
                gap: 24px;
            }
            .footer-bottom {
                flex-direction: column;
                align-items: flex-start;
                gap: 10px;
            }
        }
        @media (max-width: 520px) {
            .card-grid-4 {
                grid-template-columns: 1fr;
            }
            .stats-grid {
                gap: 10px;
            }
            .stat-number {
                font-size: 26px;
            }
            .container {
                padding: 0 16px;
            }
            .hero-content h1 {
                font-size: 24px;
            }
        }

/* roulang page: category1 */
:root {
            --primary: #1E4D3B;
            --primary-light: #E8F1ED;
            --accent: #D94A3D;
            --accent-dark: #C43B2F;
            --gold: #C9A96E;
            --bg: #F7F5F0;
            --card-bg: #FFFFFF;
            --text-main: #1A1A1A;
            --text-secondary: #5A5A5A;
            --border: #E5E0D8;
            --radius-sm: 8px;
            --radius-lg: 12px;
            --shadow-sm: 0 2px 8px rgba(0, 0, 0, 0.05);
            --shadow-hover: 0 4px 16px rgba(0, 0, 0, 0.08);
            --font-family: "PingFang SC", "Microsoft YaHei", "Noto Sans SC", sans-serif;
            --container-max: 1200px;
            --section-spacing: 64px;
            --section-spacing-mobile: 40px;
            --transition: all 0.2s ease;
        }

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

        body {
            font-family: var(--font-family);
            font-size: 16px;
            line-height: 1.8;
            color: var(--text-main);
            background-color: var(--bg);
            -webkit-font-smoothing: antialiased;
            -moz-osx-font-smoothing: grayscale;
            margin: 0;
            padding: 0;
        }

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

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

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

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

        input {
            font-family: inherit;
        }

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

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

        .section-alt {
            background: #EFECE6;
        }

        .section-title {
            font-size: 30px;
            font-weight: 700;
            line-height: 1.3;
            color: var(--text-main);
            margin-bottom: 16px;
            position: relative;
        }

        .section-title::after {
            content: '';
            display: block;
            width: 56px;
            height: 4px;
            background: var(--accent);
            border-radius: 2px;
            margin-top: 10px;
        }

        .section-desc {
            font-size: 16px;
            color: var(--text-secondary);
            line-height: 1.8;
            margin-bottom: 32px;
        }

        .section-head {
            margin-bottom: 36px;
        }

        .section-head .section-title {
            margin-bottom: 8px;
        }

        .btn {
            display: inline-flex;
            align-items: center;
            justify-content: center;
            gap: 8px;
            padding: 12px 24px;
            border-radius: 24px;
            font-size: 15px;
            font-weight: 600;
            line-height: 1.5;
            transition: var(--transition);
            text-align: center;
            white-space: nowrap;
        }

        .btn-primary {
            background: var(--accent);
            color: #fff;
        }

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

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

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

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

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

        .btn:focus-visible,
        a:focus-visible,
        button:focus-visible,
        input:focus-visible {
            outline: 2px solid var(--accent);
            outline-offset: 2px;
        }

        .tag {
            display: inline-block;
            padding: 3px 10px;
            border-radius: 20px;
            font-size: 12px;
            font-weight: 500;
            line-height: 1.6;
            background: #F0EDE7;
            color: var(--text-secondary);
        }

        .tag-accent {
            background: #FBE8E5;
            color: var(--accent);
        }

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

        .tag-gold {
            background: #F7F0E3;
            color: #8B6F3D;
        }

        .badge {
            display: inline-flex;
            align-items: center;
            gap: 4px;
            padding: 4px 10px;
            border-radius: 16px;
            font-size: 12px;
            font-weight: 600;
            background: var(--accent);
            color: #fff;
        }

        .card {
            background: var(--card-bg);
            border-radius: var(--radius-sm);
            box-shadow: var(--shadow-sm);
            padding: 24px;
            transition: var(--transition);
            border: 1px solid transparent;
        }

        .card:hover {
            box-shadow: var(--shadow-hover);
            border-color: var(--border);
        }

        .cover-image {
            overflow: hidden;
            border-radius: var(--radius-sm);
            margin-bottom: 16px;
            aspect-ratio: 16/9;
        }

        .cover-image img {
            width: 100%;
            height: 100%;
            object-fit: cover;
            transition: transform 0.3s ease;
        }

        .card:hover .cover-image img {
            transform: scale(1.02);
        }

        .divider {
            border: none;
            border-top: 1px solid var(--border);
            margin: 24px 0;
        }

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

        .text-gold {
            color: var(--gold);
        }

        .text-secondary {
            color: var(--text-secondary);
        }

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

        /* Header/Nav */
        .site-header {
            background: var(--card-bg);
            border-bottom: 1px solid var(--border);
            position: sticky;
            top: 0;
            z-index: 100;
            height: 64px;
            display: flex;
            align-items: center;
            box-shadow: 0 1px 4px rgba(0, 0, 0, 0.03);
        }

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

        .logo {
            display: flex;
            align-items: center;
            gap: 10px;
            font-size: 20px;
            font-weight: 700;
            color: var(--primary);
            letter-spacing: 0.5px;
        }

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

        .logo-icon {
            display: inline-flex;
            align-items: center;
            justify-content: center;
            width: 36px;
            height: 36px;
            background: var(--primary);
            color: #fff;
            border-radius: 6px;
            font-size: 18px;
            font-weight: 700;
        }

        .nav-list {
            display: flex;
            align-items: center;
            gap: 28px;
            list-style: none;
            margin: 0;
            padding: 0;
        }

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

        .nav-list a {
            font-size: 14px;
            font-weight: 500;
            color: var(--text-main);
            padding: 8px 0;
            position: relative;
            white-space: nowrap;
            transition: var(--transition);
        }

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

        .nav-list a.active {
            color: var(--accent);
        }

        .nav-list a.active::after {
            content: '';
            display: block;
            width: 100%;
            height: 2px;
            background: var(--accent);
            border-radius: 1px;
            position: absolute;
            bottom: -2px;
            left: 0;
        }

        .hamburger {
            display: none;
            flex-direction: column;
            gap: 5px;
            padding: 8px;
            cursor: pointer;
            border: none;
            background: none;
            align-items: center;
            justify-content: center;
        }

        .hamburger span {
            display: block;
            width: 24px;
            height: 2px;
            background: var(--primary);
            border-radius: 1px;
            transition: var(--transition);
        }

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

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

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

        /* Breadcrumb */
        .breadcrumb-wrap {
            padding: 16px 0;
            background: transparent;
        }

        .breadcrumb-list {
            display: flex;
            align-items: center;
            gap: 8px;
            font-size: 13px;
            color: var(--text-secondary);
            list-style: none;
            margin: 0;
            padding: 0;
            flex-wrap: wrap;
        }

        .breadcrumb-list li {
            list-style: none;
            margin: 0;
            padding: 0;
            display: flex;
            align-items: center;
            gap: 8px;
        }

        .breadcrumb-list a {
            color: var(--text-secondary);
        }

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

        .breadcrumb-list .sep {
            color: var(--border);
            opacity: 0.8;
        }

        /* Page Hero / Intro */
        .page-intro {
            padding: 36px 0 48px;
            background: linear-gradient(180deg, #E8F1ED 0%, #F7F5F0 100%);
        }

        .page-intro .page-heading {
            margin-bottom: 16px;
        }

        .page-heading h1 {
            font-size: 36px;
            font-weight: 700;
            line-height: 1.25;
            color: var(--text-main);
            margin-bottom: 16px;
            letter-spacing: 0.5px;
        }

        .page-heading .lead {
            font-size: 17px;
            color: var(--text-secondary);
            line-height: 1.8;
            max-width: 820px;
            margin-bottom: 20px;
        }

        .intro-meta {
            display: flex;
            flex-wrap: wrap;
            gap: 16px;
            align-items: center;
        }

        .intro-meta .tag {
            font-size: 13px;
            padding: 4px 12px;
        }

        /* Recommendation Cards Grid */
        .rec-grid {
            display: grid;
            grid-template-columns: repeat(3, 1fr);
            gap: 24px;
        }

        .rec-card {
            background: var(--card-bg);
            border-radius: var(--radius-sm);
            box-shadow: var(--shadow-sm);
            overflow: hidden;
            transition: var(--transition);
            border: 1px solid transparent;
            display: flex;
            flex-direction: column;
        }

        .rec-card:hover {
            box-shadow: var(--shadow-hover);
            border-color: var(--border);
        }

        .rec-card .cover-image {
            margin-bottom: 0;
            border-radius: 0;
            aspect-ratio: 16/9;
            overflow: hidden;
        }

        .rec-card .rec-content {
            padding: 20px 24px 24px;
            flex: 1;
            display: flex;
            flex-direction: column;
        }

        .rec-card .rec-title {
            font-size: 18px;
            font-weight: 600;
            line-height: 1.4;
            color: var(--text-main);
            margin-bottom: 8px;
        }

        .rec-card .rec-subtitle {
            font-size: 14px;
            color: var(--text-secondary);
            line-height: 1.7;
            margin-bottom: 14px;
            flex: 1;
        }

        .rec-card .rec-meta {
            display: flex;
            flex-wrap: wrap;
            gap: 8px;
            align-items: center;
            border-top: 1px solid var(--border);
            padding-top: 14px;
            margin-top: auto;
        }

        .rec-card .rec-meta .date {
            font-size: 13px;
            color: var(--text-secondary);
            margin-left: auto;
        }

        .confidence-bar {
            display: flex;
            align-items: center;
            gap: 8px;
            font-size: 12px;
            color: var(--text-secondary);
        }

        .confidence-bar .bar-track {
            width: 60px;
            height: 6px;
            background: #EFECE6;
            border-radius: 3px;
            overflow: hidden;
        }

        .confidence-bar .bar-fill {
            height: 100%;
            background: var(--accent);
            border-radius: 3px;
            transition: width 0.4s ease;
        }

        /* History Summary */
        .history-wrap {
            display: grid;
            grid-template-columns: 1fr 1fr;
            gap: 32px;
            align-items: center;
        }

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

        .stat-item {
            background: var(--card-bg);
            border-radius: var(--radius-sm);
            padding: 20px;
            text-align: center;
            box-shadow: var(--shadow-sm);
            border: 1px solid var(--border);
        }

        .stat-number {
            font-size: 32px;
            font-weight: 700;
            color: var(--accent);
            line-height: 1.2;
            margin-bottom: 4px;
        }

        .stat-label {
            font-size: 13px;
            color: var(--text-secondary);
            font-weight: 500;
        }

        .history-chart {
            background: var(--card-bg);
            border-radius: var(--radius-sm);
            padding: 24px;
            box-shadow: var(--shadow-sm);
            border: 1px solid var(--border);
        }

        .history-chart .chart-title {
            font-size: 16px;
            font-weight: 600;
            color: var(--text-main);
            margin-bottom: 16px;
        }

        .chart-bars {
            display: flex;
            align-items: flex-end;
            gap: 12px;
            height: 120px;
            padding-top: 8px;
        }

        .chart-bar-group {
            flex: 1;
            display: flex;
            flex-direction: column;
            align-items: center;
            height: 100%;
            justify-content: flex-end;
        }

        .chart-bar {
            width: 36px;
            background: var(--primary);
            border-radius: 3px 3px 0 0;
            min-height: 12px;
            transition: var(--transition);
        }

        .chart-bar:hover {
            background: var(--accent);
        }

        .chart-bar-label {
            font-size: 11px;
            color: var(--text-secondary);
            margin-top: 8px;
            text-align: center;
        }

        /* Expert Section */
        .expert-grid {
            display: grid;
            grid-template-columns: repeat(3, 1fr);
            gap: 24px;
        }

        .expert-card {
            background: var(--card-bg);
            border-radius: var(--radius-sm);
            padding: 20px;
            box-shadow: var(--shadow-sm);
            border: 1px solid transparent;
            transition: var(--transition);
            display: flex;
            flex-direction: column;
        }

        .expert-card:hover {
            box-shadow: var(--shadow-hover);
            border-color: var(--border);
        }

        .expert-top {
            display: flex;
            align-items: center;
            gap: 12px;
            margin-bottom: 12px;
        }

        .expert-avatar {
            width: 44px;
            height: 44px;
            border-radius: 50%;
            background: var(--primary-light);
            display: flex;
            align-items: center;
            justify-content: center;
            font-weight: 700;
            font-size: 18px;
            color: var(--primary);
            flex-shrink: 0;
        }

        .expert-name {
            font-size: 16px;
            font-weight: 600;
            color: var(--text-main);
            line-height: 1.3;
        }

        .expert-tag {
            font-size: 12px;
            color: var(--text-secondary);
        }

        .expert-comment {
            font-size: 14px;
            color: var(--text-secondary);
            line-height: 1.7;
            margin-bottom: 12px;
            flex: 1;
        }

        .expert-keyword {
            display: inline-block;
            font-size: 12px;
            color: var(--accent);
            font-weight: 500;
            background: #FBE8E5;
            padding: 3px 10px;
            border-radius: 16px;
            align-self: flex-start;
        }

        /* Data Entry Section */
        .data-entry-wrap {
            display: grid;
            grid-template-columns: repeat(3, 1fr);
            gap: 24px;
        }

        .data-entry-item {
            background: var(--card-bg);
            border-radius: var(--radius-sm);
            padding: 20px;
            box-shadow: var(--shadow-sm);
            border: 1px solid var(--border);
            transition: var(--transition);
            display: flex;
            flex-direction: column;
        }

        .data-entry-item:hover {
            box-shadow: var(--shadow-hover);
        }

        .data-entry-icon {
            font-size: 28px;
            margin-bottom: 10px;
            color: var(--primary);
        }

        .data-entry-title {
            font-size: 16px;
            font-weight: 600;
            color: var(--text-main);
            margin-bottom: 6px;
        }

        .data-entry-desc {
            font-size: 13px;
            color: var(--text-secondary);
            line-height: 1.7;
            margin-bottom: 12px;
            flex: 1;
        }

        .data-entry-link {
            font-size: 14px;
            font-weight: 500;
            color: var(--accent);
            align-self: flex-start;
        }

        .data-entry-link:hover {
            color: var(--accent-dark);
        }

        /* Subscribe CTA */
        .subscribe-wrap {
            background: var(--primary);
            border-radius: var(--radius-lg);
            padding: 40px 36px;
            display: grid;
            grid-template-columns: 1fr 1fr;
            gap: 36px;
            align-items: center;
        }

        .subscribe-text h3 {
            font-size: 22px;
            font-weight: 700;
            color: #fff;
            margin-bottom: 8px;
            line-height: 1.4;
        }

        .subscribe-text p {
            font-size: 15px;
            color: rgba(255, 255, 255, 0.85);
            line-height: 1.7;
            margin-bottom: 0;
        }

        .subscribe-form {
            display: flex;
            gap: 12px;
            align-items: center;
            flex-wrap: wrap;
        }

        .subscribe-form input {
            flex: 1;
            min-width: 200px;
            height: 44px;
            padding: 0 16px;
            border-radius: 8px;
            border: 1px solid rgba(255, 255, 255, 0.3);
            background: rgba(255, 255, 255, 0.95);
            font-size: 14px;
            color: var(--text-main);
            outline: none;
            transition: var(--transition);
        }

        .subscribe-form input:focus {
            border-color: var(--gold);
            box-shadow: 0 0 0 3px rgba(201, 169, 110, 0.25);
        }

        .subscribe-form .btn-primary {
            background: var(--accent);
            padding: 12px 28px;
            height: 44px;
        }

        .subscribe-form .btn-primary:hover {
            background: var(--accent-dark);
        }

        /* Footer */
        .site-footer {
            background: #1A1A1A;
            color: #5A5A5A;
            padding: 48px 0 24px;
            margin-top: 0;
        }

        .site-footer .container {
            display: flex;
            flex-direction: column;
        }

        .footer-top {
            display: grid;
            grid-template-columns: 2fr 1fr 1fr 1fr;
            gap: 32px;
            padding-bottom: 32px;
            border-bottom: 1px solid #2A2A2A;
            margin-bottom: 24px;
        }

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

        .footer-brand .logo-icon {
            display: inline-flex;
            align-items: center;
            justify-content: center;
            width: 32px;
            height: 32px;
            background: var(--accent);
            color: #fff;
            border-radius: 6px;
            font-size: 16px;
            flex-shrink: 0;
        }

        .footer-desc {
            font-size: 13px;
            color: #5A5A5A;
            line-height: 1.7;
            margin-bottom: 0;
            max-width: 320px;
        }

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

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

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

        .footer-col ul li a {
            font-size: 13px;
            color: #5A5A5A;
            transition: var(--transition);
        }

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

        .footer-bottom {
            display: flex;
            flex-wrap: wrap;
            gap: 16px;
            align-items: center;
            justify-content: space-between;
            font-size: 12px;
            color: #5A5A5A;
        }

        .footer-links {
            display: flex;
            gap: 16px;
            flex-wrap: wrap;
        }

        .footer-links span {
            font-size: 12px;
            color: #5A5A5A;
        }

        /* Responsive */
        @media (max-width: 1199px) {
            .rec-grid {
                grid-template-columns: repeat(2, 1fr);
            }
            .expert-grid {
                grid-template-columns: repeat(2, 1fr);
            }
            .data-entry-wrap {
                grid-template-columns: repeat(2, 1fr);
            }
            .history-wrap {
                grid-template-columns: 1fr;
                gap: 24px;
            }
        }

        @media (max-width: 991px) {
            .footer-top {
                grid-template-columns: 1fr 1fr;
                gap: 24px;
            }
            .subscribe-wrap {
                grid-template-columns: 1fr;
                gap: 20px;
                padding: 32px 24px;
            }
        }

        @media (max-width: 767px) {
            :root {
                --section-spacing: 40px;
            }

            .site-header {
                height: 56px;
            }

            .nav-list {
                display: none;
                position: absolute;
                top: 56px;
                left: 0;
                right: 0;
                background: var(--card-bg);
                flex-direction: column;
                gap: 0;
                padding: 12px 24px;
                border-bottom: 1px solid var(--border);
                box-shadow: 0 4px 12px rgba(0, 0, 0, 0.08);
                z-index: 99;
            }

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

            .nav-list li {
                width: 100%;
            }

            .nav-list a {
                display: block;
                padding: 12px 0;
                font-size: 15px;
                border-bottom: 1px solid #F0EDE7;
            }

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

            .nav-list a.active::after {
                display: none;
            }

            .hamburger {
                display: flex;
            }

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

            .page-heading .lead {
                font-size: 15px;
                line-height: 1.7;
            }

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

            .rec-card .rec-content {
                padding: 16px 18px 20px;
            }

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

            .history-chart {
                padding: 16px;
            }

            .chart-bars {
                height: 90px;
                gap: 8px;
            }

            .chart-bar {
                width: 18px;
            }

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

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

            .subscribe-form {
                flex-direction: column;
                width: 100%;
            }

            .subscribe-form input {
                width: 100%;
                min-width: 0;
            }

            .subscribe-form .btn-primary {
                width: 100%;
                justify-content: center;
            }

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

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

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

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

        @media (max-width: 520px) {
            .container {
                padding: 0 16px;
            }

            .page-heading h1 {
                font-size: 24px;
            }

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

            .stat-number {
                font-size: 26px;
            }

            .chart-bars {
                gap: 5px;
                height: 70px;
            }

            .chart-bar {
                width: 12px;
            }

            .chart-bar-label {
                font-size: 9px;
            }
        }

/* roulang page: category2 */
:root {
      --primary: #1E4D3B;
      --primary-light: #E8F1ED;
      --accent: #D94A3D;
      --accent-dark: #C43B2F;
      --gold: #C9A96E;
      --bg: #F7F5F0;
      --card-bg: #FFFFFF;
      --text-main: #1A1A1A;
      --text-secondary: #5A5A5A;
      --border: #E5E0D8;
      --radius-sm: 8px;
      --radius-lg: 12px;
      --shadow-sm: 0 2px 8px rgba(0, 0, 0, 0.05);
      --shadow-hover: 0 4px 16px rgba(0, 0, 0, 0.08);
      --font-family: "PingFang SC", "Microsoft YaHei", "Noto Sans SC", sans-serif;
      --container-max: 1200px;
      --section-spacing: 64px;
      --section-spacing-mobile: 40px;
      --transition: all 0.2s ease;
    }

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

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

    body {
      font-family: var(--font-family);
      font-size: 16px;
      line-height: 1.8;
      color: var(--text-main);
      background-color: var(--bg);
      margin: 0;
      -webkit-font-smoothing: antialiased;
      -moz-osx-font-smoothing: grayscale;
    }

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

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

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

    button,
    input {
      font-family: inherit;
    }

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

    input {
      font-family: inherit;
    }

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

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

    .section-alt {
      background: #EFECE6;
    }

    .section-title {
      font-size: 30px;
      font-weight: 700;
      line-height: 1.3;
      color: var(--text-main);
      margin-bottom: 16px;
      position: relative;
    }

    .section-title::after {
      content: '';
      display: block;
      width: 56px;
      height: 4px;
      background: var(--accent);
      border-radius: 2px;
      margin-top: 10px;
    }

    .section-desc {
      font-size: 16px;
      color: var(--text-secondary);
      line-height: 1.8;
      margin-bottom: 32px;
    }

    .section-head {
      margin-bottom: 36px;
    }

    .section-head .section-title {
      margin-bottom: 8px;
    }

    .btn {
      display: inline-flex;
      align-items: center;
      justify-content: center;
      gap: 8px;
      padding: 12px 24px;
      border-radius: 24px;
      font-size: 15px;
      font-weight: 600;
      line-height: 1.5;
      transition: var(--transition);
      text-align: center;
      white-space: nowrap;
    }

    .btn-primary {
      background: var(--accent);
      color: #fff;
    }

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

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

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

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

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

    .btn:focus-visible,
    a:focus-visible,
    button:focus-visible,
    input:focus-visible {
      outline: 2px solid var(--accent);
      outline-offset: 2px;
    }

    .tag {
      display: inline-block;
      padding: 3px 10px;
      border-radius: 20px;
      font-size: 12px;
      font-weight: 500;
      line-height: 1.6;
      background: #F0EDE7;
      color: var(--text-secondary);
    }

    .tag-accent {
      background: #FBE8E5;
      color: var(--accent);
    }

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

    .tag-gold {
      background: #F7F0E3;
      color: #8B6F3D;
    }

    .badge {
      display: inline-flex;
      align-items: center;
      gap: 4px;
      padding: 4px 10px;
      border-radius: 16px;
      font-size: 12px;
      font-weight: 600;
      background: var(--accent);
      color: #fff;
    }

    .card {
      background: var(--card-bg);
      border-radius: var(--radius-sm);
      box-shadow: var(--shadow-sm);
      padding: 24px;
      transition: var(--transition);
      border: 1px solid transparent;
    }

    .card:hover {
      box-shadow: var(--shadow-hover);
      border-color: var(--border);
    }

    .cover-image img {
      width: 100%;
      height: 100%;
      object-fit: cover;
      transition: transform 0.3s ease;
    }

    .card:hover .cover-image img {
      transform: scale(1.02);
    }

    .divider {
      border: none;
      border-top: 1px solid var(--border);
      margin: 24px 0;
    }

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

    .text-gold {
      color: var(--gold);
    }

    .text-secondary {
      color: var(--text-secondary);
    }

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

    /* Header/Nav */
    .site-header {
      background: var(--card-bg);
      border-bottom: 1px solid var(--border);
      position: sticky;
      top: 0;
      z-index: 100;
      height: 64px;
      display: flex;
      align-items: center;
      box-shadow: 0 1px 4px rgba(0, 0, 0, 0.03);
    }

    .site-header .container {
      display: flex;
      align-items: center;
      gap: 24px;
    }

    .brand {
      display: flex;
      align-items: center;
      gap: 8px;
      font-size: 18px;
      font-weight: 700;
      color: var(--primary);
      white-space: nowrap;
    }

    .logo-icon {
      display: inline-flex;
      align-items: center;
      justify-content: center;
      width: 36px;
      height: 36px;
      border-radius: 8px;
      background: var(--accent);
      color: #fff;
      font-size: 20px;
      font-weight: 800;
    }

    .nav-list {
      display: flex;
      align-items: center;
      gap: 28px;
      list-style: none;
      margin: 0 0 0 auto;
      padding: 0;
    }

    .nav-list li {
      display: flex;
    }

    .nav-list a {
      font-size: 14px;
      font-weight: 500;
      color: var(--text-main);
      padding: 20px 0;
      display: inline-block;
      border-bottom: 2px solid transparent;
      transition: var(--transition);
    }

    .nav-list a:hover {
      color: var(--accent);
      border-bottom-color: var(--accent);
    }

    .nav-list a.active {
      color: var(--accent);
      border-bottom-color: var(--accent);
    }

    .nav-toggle {
      display: none;
      margin-left: auto;
      font-size: 24px;
      color: var(--primary);
      padding: 8px;
    }

    /* Breadcrumb */
    .breadcrumb-bar {
      padding: 16px 0 0;
      background: var(--bg);
    }

    .breadcrumb {
      display: flex;
      flex-wrap: wrap;
      align-items: center;
      gap: 8px;
      list-style: none;
      padding: 0;
      margin: 0;
      font-size: 14px;
      color: var(--text-secondary);
    }

    .breadcrumb li {
      display: flex;
      align-items: center;
      gap: 8px;
    }

    .breadcrumb li:not(:last-child)::after {
      content: '/';
      color: var(--border);
    }

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

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

    /* Page hero with H1 */
    .page-hero {
      padding: 28px 0 12px;
      background: var(--bg);
    }

    .page-hero h1 {
      font-size: 36px;
      font-weight: 700;
      line-height: 1.2;
      color: var(--text-main);
      margin: 0 0 12px;
    }

    .page-hero p {
      font-size: 16px;
      color: var(--text-secondary);
      line-height: 1.8;
      max-width: 860px;
      margin: 0;
    }

    /* Article list */
    .article-list {
      display: flex;
      flex-direction: column;
      gap: 16px;
    }

    .article-item {
      background: var(--card-bg);
      border-radius: var(--radius-sm);
      box-shadow: var(--shadow-sm);
      padding: 20px 24px;
      display: flex;
      gap: 20px;
      align-items: flex-start;
      transition: var(--transition);
      border: 1px solid transparent;
    }

    .article-item:hover {
      box-shadow: var(--shadow-hover);
      border-color: var(--border);
    }

    .article-item-content {
      flex: 1;
    }

    .article-item h3 {
      font-size: 18px;
      font-weight: 600;
      line-height: 1.4;
      margin: 0 0 8px;
    }

    .article-item h3 a {
      color: var(--text-main);
    }

    .article-item h3 a:hover {
      color: var(--accent);
    }

    .article-item p {
      font-size: 14px;
      color: var(--text-secondary);
      line-height: 1.7;
      margin: 0 0 12px;
    }

    .article-meta {
      display: flex;
      flex-wrap: wrap;
      gap: 8px;
      font-size: 12px;
      color: var(--text-secondary);
    }

    /* Match list */
    .match-table {
      width: 100%;
      border-collapse: collapse;
      background: var(--card-bg);
      border-radius: var(--radius-sm);
      overflow: hidden;
      box-shadow: var(--shadow-sm);
    }

    .match-table th,
    .match-table td {
      padding: 14px 16px;
      text-align: left;
      font-size: 14px;
      border-bottom: 1px solid var(--border);
    }

    .match-table th {
      background: var(--primary-light);
      color: var(--primary);
      font-weight: 600;
      white-space: nowrap;
    }

    .match-table tr:last-child td {
      border-bottom: none;
    }

    .match-table td:first-child {
      font-weight: 500;
      color: var(--accent);
    }

    /* Focus cards */
    .focus-card-grid {
      display: grid;
      grid-template-columns: repeat(2, 1fr);
      gap: 24px;
    }

    .focus-card {
      background: var(--card-bg);
      border-radius: var(--radius-lg);
      box-shadow: var(--shadow-sm);
      overflow: hidden;
      display: flex;
      flex-direction: column;
      transition: var(--transition);
      border: 1px solid transparent;
    }

    .focus-card:hover {
      box-shadow: var(--shadow-hover);
      border-color: var(--border);
    }

    .focus-card .cover-image {
      height: 200px;
      overflow: hidden;
    }

    .focus-card .focus-card-body {
      padding: 20px 24px 24px;
      flex: 1;
      display: flex;
      flex-direction: column;
    }

    .focus-card h3 {
      font-size: 20px;
      font-weight: 600;
      line-height: 1.4;
      margin: 0 0 10px;
      color: var(--text-main);
    }

    .focus-card p {
      font-size: 14px;
      color: var(--text-secondary);
      line-height: 1.7;
      margin: 0 0 16px;
    }

    .focus-card .tags {
      margin-top: auto;
      display: flex;
      flex-wrap: wrap;
      gap: 8px;
    }

    /* Indicator grid */
    .indicator-grid {
      display: grid;
      grid-template-columns: repeat(4, 1fr);
      gap: 20px;
    }

    .indicator-card {
      background: var(--card-bg);
      border-radius: var(--radius-sm);
      box-shadow: var(--shadow-sm);
      padding: 22px 20px;
      transition: var(--transition);
      border: 1px solid transparent;
    }

    .indicator-card:hover {
      box-shadow: var(--shadow-hover);
      border-color: var(--border);
    }

    .indicator-card h4 {
      font-size: 16px;
      font-weight: 600;
      color: var(--primary);
      margin: 0 0 8px;
    }

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

    .indicator-icon {
      font-size: 24px;
      color: var(--accent);
      margin-bottom: 8px;
    }

    /* Tag cloud */
    .tag-cloud {
      display: flex;
      flex-wrap: wrap;
      gap: 10px;
    }

    .tag-cloud a {
      display: inline-flex;
      align-items: center;
      padding: 6px 14px;
      border-radius: 20px;
      background: var(--card-bg);
      border: 1px solid var(--border);
      color: var(--text-main);
      font-size: 13px;
      font-weight: 500;
      transition: var(--transition);
    }

    .tag-cloud a:hover {
      background: var(--primary-light);
      border-color: var(--primary);
      color: var(--primary);
    }

    /* Subscribe CTA */
    .subscribe-box {
      background: linear-gradient(135deg, #E8F1ED 0%, #F7F5F0 100%);
      border-radius: var(--radius-lg);
      padding: 48px 32px;
      text-align: center;
    }

    .subscribe-box h2 {
      font-size: 26px;
      font-weight: 700;
      color: var(--text-main);
      margin: 0 0 12px;
    }

    .subscribe-box p {
      font-size: 15px;
      color: var(--text-secondary);
      max-width: 560px;
      margin: 0 auto 24px;
      line-height: 1.7;
    }

    .subscribe-form {
      display: flex;
      justify-content: center;
      gap: 12px;
      max-width: 480px;
      margin: 0 auto;
    }

    .subscribe-form input {
      flex: 1;
      height: 44px;
      border-radius: 8px;
      border: 1px solid var(--border);
      background: #fff;
      padding: 0 16px;
      font-size: 14px;
      color: var(--text-main);
      transition: var(--transition);
    }

    .subscribe-form input:focus {
      border-color: var(--primary);
      outline: none;
      box-shadow: 0 0 0 3px rgba(30, 77, 59, 0.08);
    }

    /* Footer */
    .site-footer {
      background: #1E4D3B;
      color: #E8F1ED;
      padding: 48px 0 24px;
      font-size: 13px;
    }

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

    .footer-brand {
      display: flex;
      align-items: center;
      gap: 8px;
      font-size: 16px;
      font-weight: 700;
      color: #fff;
      margin-bottom: 12px;
    }

    .footer-brand .logo-icon {
      background: var(--accent);
      color: #fff;
    }

    .footer-desc {
      color: #C9D8D1;
      font-size: 13px;
      line-height: 1.7;
      margin: 0;
    }

    .footer-col h4 {
      color: #fff;
      font-size: 14px;
      font-weight: 600;
      margin: 0 0 12px;
    }

    .footer-col ul {
      list-style: none;
      padding: 0;
      margin: 0;
      display: flex;
      flex-direction: column;
      gap: 8px;
    }

    .footer-col a,
    .footer-links span {
      color: #C9D8D1;
      text-decoration: none;
      transition: var(--transition);
    }

    .footer-col a:hover,
    .footer-links a:hover {
      color: var(--gold);
    }

    .footer-bottom {
      border-top: 1px solid rgba(255, 255, 255, 0.1);
      padding-top: 24px;
      display: flex;
      align-items: center;
      justify-content: space-between;
      flex-wrap: wrap;
      gap: 12px;
      color: #C9D8D1;
      font-size: 12px;
    }

    .footer-links {
      display: flex;
      flex-wrap: wrap;
      gap: 16px;
    }

    .footer-links a {
      color: #C9D8D1;
      text-decoration: none;
    }

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

    /* Responsive */
    @media (max-width: 1024px) {
      .focus-card-grid {
        grid-template-columns: 1fr;
      }
      .indicator-grid {
        grid-template-columns: repeat(2, 1fr);
      }
    }

    @media (max-width: 768px) {
      .section {
        padding: var(--section-spacing-mobile) 0;
      }
      .container {
        padding: 0 16px;
      }
      .page-hero h1 {
        font-size: 28px;
      }
      .section-title {
        font-size: 24px;
      }
      .nav-toggle {
        display: block;
      }
      .nav-list {
        display: none;
        flex-direction: column;
        position: absolute;
        top: 64px;
        left: 0;
        right: 0;
        background: #fff;
        border-bottom: 1px solid var(--border);
        padding: 12px 24px;
        gap: 0;
        box-shadow: 0 8px 16px rgba(0, 0, 0, 0.06);
      }
      .nav-list.open {
        display: flex;
      }
      .nav-list a {
        padding: 12px 0;
        border-bottom: 1px solid var(--border);
        width: 100%;
      }
      .nav-list li {
        width: 100%;
      }
      .footer-top {
        grid-template-columns: 1fr;
        gap: 24px;
      }
      .footer-bottom {
        flex-direction: column;
        align-items: flex-start;
      }
      .subscribe-form {
        flex-direction: column;
        gap: 12px;
      }
      .subscribe-form input {
        width: 100%;
      }
    }

    @media (max-width: 520px) {
      .indicator-grid {
        grid-template-columns: 1fr;
      }
      .article-item {
        flex-direction: column;
        gap: 12px;
      }
      .match-table th,
      .match-table td {
        padding: 12px 10px;
        font-size: 13px;
      }
      .match-table th:nth-child(2),
      .match-table td:nth-child(2) {
        display: none;
      }
      .focus-card .cover-image {
        height: 160px;
      }
    }

/* roulang page: category3 */
:root {
            --primary: #1E4D3B;
            --primary-light: #E8F1ED;
            --accent: #D94A3D;
            --accent-dark: #C43B2F;
            --gold: #C9A96E;
            --bg: #F7F5F0;
            --card-bg: #FFFFFF;
            --text-main: #1A1A1A;
            --text-secondary: #5A5A5A;
            --border: #E5E0D8;
            --radius-sm: 8px;
            --radius-lg: 12px;
            --shadow-sm: 0 2px 8px rgba(0, 0, 0, 0.05);
            --shadow-hover: 0 4px 16px rgba(0, 0, 0, 0.08);
            --font-family: "PingFang SC", "Microsoft YaHei", "Noto Sans SC", sans-serif;
            --container-max: 1200px;
            --section-spacing: 64px;
            --section-spacing-mobile: 40px;
            --transition: all 0.2s ease;
        }

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

        body {
            font-family: var(--font-family);
            font-size: 16px;
            line-height: 1.8;
            color: var(--text-main);
            background-color: var(--bg);
            -webkit-font-smoothing: antialiased;
            -moz-osx-font-smoothing: grayscale;
        }

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

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

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

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

        input {
            font-family: inherit;
        }

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

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

        .section-alt {
            background: #EFECE6;
        }

        .section-title {
            font-size: 30px;
            font-weight: 700;
            line-height: 1.3;
            color: var(--text-main);
            margin-bottom: 16px;
            position: relative;
        }

        .section-title::after {
            content: '';
            display: block;
            width: 56px;
            height: 4px;
            background: var(--accent);
            border-radius: 2px;
            margin-top: 10px;
        }

        .section-desc {
            font-size: 16px;
            color: var(--text-secondary);
            line-height: 1.8;
            margin-bottom: 32px;
        }

        .section-head {
            margin-bottom: 36px;
        }

        .section-head .section-title {
            margin-bottom: 8px;
        }

        .btn {
            display: inline-flex;
            align-items: center;
            justify-content: center;
            gap: 8px;
            padding: 12px 24px;
            border-radius: 24px;
            font-size: 15px;
            font-weight: 600;
            line-height: 1.5;
            transition: var(--transition);
            text-align: center;
            white-space: nowrap;
        }

        .btn-primary {
            background: var(--accent);
            color: #fff;
        }

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

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

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

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

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

        .btn:focus-visible,
        a:focus-visible,
        button:focus-visible,
        input:focus-visible {
            outline: 2px solid var(--accent);
            outline-offset: 2px;
        }

        .tag {
            display: inline-block;
            padding: 3px 10px;
            border-radius: 20px;
            font-size: 12px;
            font-weight: 500;
            line-height: 1.6;
            background: #F0EDE7;
            color: var(--text-secondary);
        }

        .tag-accent {
            background: #FBE8E5;
            color: var(--accent);
        }

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

        .tag-gold {
            background: #F7F0E3;
            color: #8B6F3D;
        }

        .badge {
            display: inline-flex;
            align-items: center;
            gap: 4px;
            padding: 4px 10px;
            border-radius: 16px;
            font-size: 12px;
            font-weight: 600;
            background: var(--accent);
            color: #fff;
        }

        .card {
            background: var(--card-bg);
            border-radius: var(--radius-sm);
            box-shadow: var(--shadow-sm);
            padding: 24px;
            transition: var(--transition);
            border: 1px solid transparent;
        }

        .card:hover {
            box-shadow: var(--shadow-hover);
            border-color: var(--border);
        }

        .cover-image {
            overflow: hidden;
            border-radius: var(--radius-sm);
            background: #E9E4DB;
        }

        .cover-image img {
            width: 100%;
            height: 100%;
            object-fit: cover;
            transition: transform 0.3s ease;
        }

        .card:hover .cover-image img {
            transform: scale(1.02);
        }

        .divider {
            border: none;
            border-top: 1px solid var(--border);
            margin: 24px 0;
        }

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

        .text-gold {
            color: var(--gold);
        }

        .text-secondary {
            color: var(--text-secondary);
        }

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

        .site-header {
            background: var(--card-bg);
            border-bottom: 1px solid var(--border);
            position: sticky;
            top: 0;
            z-index: 100;
            height: 64px;
            display: flex;
            align-items: center;
            box-shadow: 0 1px 4px rgba(0, 0, 0, 0.03);
        }

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

        .logo {
            display: flex;
            align-items: center;
            gap: 10px;
            font-size: 18px;
            font-weight: 700;
            color: var(--primary);
            text-decoration: none;
            white-space: nowrap;
        }

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

        .logo-icon {
            width: 32px;
            height: 32px;
            border-radius: 8px;
            background: var(--accent);
            color: #fff;
            display: inline-flex;
            align-items: center;
            justify-content: center;
            font-size: 16px;
            font-weight: 700;
            flex-shrink: 0;
        }

        .nav-list {
            display: flex;
            align-items: center;
            gap: 28px;
            list-style: none;
            margin: 0;
            padding: 0;
        }

        .nav-list a {
            font-size: 14px;
            font-weight: 500;
            color: var(--text-main);
            text-decoration: none;
            display: block;
            padding: 20px 0;
            position: relative;
            white-space: nowrap;
        }

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

        .nav-list a.active {
            color: var(--accent);
            font-weight: 700;
        }

        .nav-list a.active::after {
            content: '';
            position: absolute;
            left: 0;
            right: 0;
            bottom: 0;
            height: 2px;
            background: var(--accent);
            border-radius: 2px;
        }

        .menu-toggle {
            display: none;
            font-size: 24px;
            color: var(--primary);
            background: none;
            border: none;
            padding: 6px;
            line-height: 1;
        }

        .breadcrumb-bar {
            background: #FFFFFF;
            border-bottom: 1px solid var(--border);
            padding: 12px 0;
            font-size: 14px;
            color: var(--text-secondary);
        }

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

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

        .breadcrumb-bar .divider-symbol {
            margin: 0 8px;
            color: #B9B3AA;
        }

        .page-hero {
            background: linear-gradient(135deg, #E8F1ED 0%, #F7F5F0 100%);
            padding: 48px 0 56px;
            border-bottom: 1px solid var(--border);
        }

        .page-hero-content {
            max-width: 820px;
        }

        .page-hero h1 {
            font-size: 40px;
            font-weight: 700;
            line-height: 1.2;
            color: var(--text-main);
            margin-bottom: 18px;
        }

        .page-hero .lead {
            font-size: 17px;
            line-height: 1.9;
            color: var(--text-secondary);
            margin-bottom: 0;
        }

        .stats-strip {
            display: grid;
            grid-template-columns: repeat(4, 1fr);
            gap: 24px;
            margin-top: 36px;
        }

        .stat-item {
            background: rgba(255, 255, 255, 0.55);
            border-radius: var(--radius-sm);
            padding: 20px 18px;
            text-align: center;
            border: 1px solid rgba(229, 224, 216, 0.8);
        }

        .stat-number {
            font-size: 28px;
            font-weight: 700;
            line-height: 1.2;
            color: var(--accent);
            margin-bottom: 6px;
        }

        .stat-label {
            font-size: 14px;
            font-weight: 500;
            color: var(--text-secondary);
        }

        .insight-card {
            background: var(--card-bg);
            border-radius: var(--radius-lg);
            box-shadow: var(--shadow-sm);
            overflow: hidden;
            transition: var(--transition);
            height: 100%;
            border: 1px solid transparent;
            display: flex;
            flex-direction: column;
        }

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

        .insight-card .cover-image {
            aspect-ratio: 16/9;
            border-radius: 0;
            flex-shrink: 0;
        }

        .insight-card .card-body {
            padding: 22px 24px 24px;
            flex: 1;
            display: flex;
            flex-direction: column;
        }

        .insight-card h3 {
            font-size: 20px;
            font-weight: 700;
            line-height: 1.4;
            margin-bottom: 10px;
            color: var(--text-main);
        }

        .insight-card .card-meta {
            display: flex;
            flex-wrap: wrap;
            align-items: center;
            gap: 10px;
            margin-bottom: 12px;
            font-size: 13px;
            color: var(--text-secondary);
        }

        .insight-card .card-desc {
            font-size: 14px;
            line-height: 1.8;
            color: var(--text-secondary);
            margin-bottom: 16px;
        }

        .insight-card .card-link {
            margin-top: auto;
            font-size: 14px;
            font-weight: 600;
            color: var(--primary);
        }

        .chart-panel {
            background: var(--card-bg);
            border-radius: var(--radius-lg);
            box-shadow: var(--shadow-sm);
            padding: 28px;
            border: 1px solid var(--border);
        }

        .chart-placeholder {
            background: #F0EDE7;
            border-radius: var(--radius-sm);
            min-height: 220px;
            display: flex;
            align-items: center;
            justify-content: center;
            color: var(--text-secondary);
            font-size: 14px;
            letter-spacing: 1px;
            margin-bottom: 18px;
            padding: 20px;
            text-align: center;
        }

        .chart-caption {
            font-size: 14px;
            color: var(--text-secondary);
            line-height: 1.8;
        }

        .data-query-box {
            background: var(--primary);
            border-radius: var(--radius-lg);
            padding: 36px 32px;
            color: #fff;
            display: flex;
            align-items: center;
            justify-content: space-between;
            gap: 28px;
            flex-wrap: wrap;
        }

        .data-query-box h2 {
            font-size: 26px;
            font-weight: 700;
            margin-bottom: 10px;
            color: #fff;
        }

        .data-query-box p {
            margin-bottom: 0;
            color: rgba(255, 255, 255, 0.85);
            line-height: 1.8;
            max-width: 640px;
        }

        .update-note {
            background: #FBF8F2;
            border-left: 4px solid var(--gold);
            padding: 18px 22px;
            border-radius: 0 var(--radius-sm) var(--radius-sm) 0;
            font-size: 15px;
            color: var(--text-secondary);
            line-height: 1.9;
        }

        .site-footer {
            background: #1A1A1A;
            color: #BDBDBD;
            padding: 48px 0 28px;
            margin-top: 0;
        }

        .site-footer .footer-top {
            display: flex;
            justify-content: space-between;
            gap: 40px;
            flex-wrap: wrap;
            border-bottom: 1px solid #2E2E2E;
            padding-bottom: 28px;
            margin-bottom: 22px;
        }

        .site-footer .footer-brand {
            display: flex;
            align-items: center;
            gap: 10px;
            color: #fff;
            font-size: 17px;
            font-weight: 700;
            margin-bottom: 10px;
        }

        .site-footer .footer-desc {
            color: #9E9E9E;
            max-width: 320px;
            font-size: 13px;
            line-height: 1.8;
            margin-bottom: 0;
        }

        .site-footer .footer-col h4 {
            color: #fff;
            font-size: 15px;
            font-weight: 600;
            margin-bottom: 16px;
        }

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

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

        .site-footer .footer-col a {
            color: #BDBDBD;
            text-decoration: none;
            font-size: 13px;
            transition: var(--transition);
        }

        .site-footer .footer-col a:hover {
            color: var(--gold);
        }

        .site-footer .footer-bottom {
            display: flex;
            justify-content: space-between;
            align-items: center;
            gap: 16px;
            flex-wrap: wrap;
            font-size: 12px;
            color: #8A8A8A;
        }

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

        @media (max-width: 991px) {
            .stats-strip {
                grid-template-columns: repeat(2, 1fr);
            }
            .section {
                padding: 48px 0;
            }
            .site-header .nav-list {
                gap: 18px;
            }
        }

        @media (max-width: 767px) {
            .site-header {
                height: 56px;
            }
            .site-header .container {
                position: relative;
            }
            .nav-list {
                display: none;
                position: absolute;
                top: 56px;
                left: 0;
                right: 0;
                background: #fff;
                flex-direction: column;
                align-items: flex-start;
                gap: 0;
                padding: 12px 24px 24px;
                box-shadow: 0 8px 18px rgba(0, 0, 0, 0.08);
                border-top: 1px solid var(--border);
                z-index: 99;
            }
            .nav-list.open {
                display: flex;
            }
            .nav-list li {
                width: 100%;
            }
            .nav-list a {
                padding: 12px 0;
                width: 100%;
                border-bottom: 1px solid #F0EDE7;
            }
            .nav-list a:last-child {
                border-bottom: none;
            }
            .nav-list a.active::after {
                display: none;
            }
            .menu-toggle {
                display: inline-flex;
            }
            .page-hero {
                padding: 36px 0 40px;
            }
            .page-hero h1 {
                font-size: 32px;
            }
            .stats-strip {
                grid-template-columns: 1fr 1fr;
                gap: 14px;
                margin-top: 24px;
            }
            .stat-number {
                font-size: 24px;
            }
            .data-query-box {
                padding: 28px 22px;
                flex-direction: column;
                align-items: flex-start;
            }
            .insight-card .card-body {
                padding: 18px;
            }
            .site-footer .footer-top {
                flex-direction: column;
                gap: 28px;
            }
            .site-footer .footer-bottom {
                flex-direction: column;
                align-items: flex-start;
            }
        }

        @media (max-width: 520px) {
            .container {
                padding: 0 16px;
            }
            .section-title {
                font-size: 26px;
            }
            .page-hero h1 {
                font-size: 28px;
            }
            .page-hero .lead {
                font-size: 15px;
            }
            .stats-strip {
                grid-template-columns: 1fr 1fr;
            }
            .stat-item {
                padding: 16px 12px;
            }
            .stat-number {
                font-size: 22px;
            }
            .data-query-box h2 {
                font-size: 22px;
            }
        }

/* roulang page: category4 */
:root {
            --primary: #1E4D3B;
            --primary-light: #E8F1ED;
            --accent: #D94A3D;
            --accent-dark: #C43B2F;
            --gold: #C9A96E;
            --bg: #F7F5F0;
            --card-bg: #FFFFFF;
            --text-main: #1A1A1A;
            --text-secondary: #5A5A5A;
            --border: #E5E0D8;
            --radius-sm: 8px;
            --radius-lg: 12px;
            --shadow-sm: 0 2px 8px rgba(0, 0, 0, 0.05);
            --shadow-hover: 0 4px 16px rgba(0, 0, 0, 0.08);
            --font-family: "PingFang SC", "Microsoft YaHei", "Noto Sans SC", sans-serif;
            --container-max: 1200px;
            --section-spacing: 64px;
            --section-spacing-mobile: 40px;
            --transition: all 0.2s ease;
        }

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

        body {
            font-family: var(--font-family);
            font-size: 16px;
            line-height: 1.8;
            color: var(--text-main);
            background-color: var(--bg);
            -webkit-font-smoothing: antialiased;
            -moz-osx-font-smoothing: grayscale;
        }

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

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

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

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

        input {
            font-family: inherit;
        }

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

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

        .section-alt {
            background: #EFECE6;
        }

        .section-title {
            font-size: 30px;
            font-weight: 700;
            line-height: 1.3;
            color: var(--text-main);
            margin-bottom: 16px;
            position: relative;
        }

        .section-title::after {
            content: '';
            display: block;
            width: 56px;
            height: 4px;
            background: var(--accent);
            border-radius: 2px;
            margin-top: 10px;
        }

        .section-desc {
            font-size: 16px;
            color: var(--text-secondary);
            line-height: 1.8;
            margin-bottom: 32px;
        }

        .section-head {
            margin-bottom: 36px;
        }

        .section-head .section-title {
            margin-bottom: 8px;
        }

        .btn {
            display: inline-flex;
            align-items: center;
            justify-content: center;
            gap: 8px;
            padding: 12px 24px;
            border-radius: 24px;
            font-size: 15px;
            font-weight: 600;
            line-height: 1.5;
            transition: var(--transition);
            text-align: center;
            white-space: nowrap;
        }

        .btn-primary {
            background: var(--accent);
            color: #fff;
        }

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

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

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

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

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

        .btn:focus-visible,
        a:focus-visible,
        button:focus-visible,
        input:focus-visible {
            outline: 2px solid var(--accent);
            outline-offset: 2px;
        }

        .tag {
            display: inline-block;
            padding: 3px 10px;
            border-radius: 20px;
            font-size: 12px;
            font-weight: 500;
            line-height: 1.6;
            background: #F0EDE7;
            color: var(--text-secondary);
        }

        .tag-accent {
            background: #FBE8E5;
            color: var(--accent);
        }

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

        .tag-gold {
            background: #F7F0E3;
            color: #8B6F3D;
        }

        .badge {
            display: inline-flex;
            align-items: center;
            gap: 4px;
            padding: 4px 10px;
            border-radius: 16px;
            font-size: 12px;
            font-weight: 600;
            background: var(--accent);
            color: #fff;
        }

        .card {
            background: var(--card-bg);
            border-radius: var(--radius-sm);
            box-shadow: var(--shadow-sm);
            padding: 24px;
            transition: var(--transition);
            border: 1px solid transparent;
        }

        .card:hover {
            box-shadow: var(--shadow-hover);
            border-color: var(--border);
        }

        .cover-image {
            border-radius: var(--radius-sm);
            overflow: hidden;
            position: relative;
            background: #F0EDE7;
        }

        .cover-image img {
            width: 100%;
            height: 100%;
            object-fit: cover;
            transition: transform 0.3s ease;
        }

        .card:hover .cover-image img {
            transform: scale(1.02);
        }

        .divider {
            border: none;
            border-top: 1px solid var(--border);
            margin: 24px 0;
        }

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

        .text-gold {
            color: var(--gold);
        }

        .text-secondary {
            color: var(--text-secondary);
        }

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

        /* Header/Nav */
        .site-header {
            background: var(--card-bg);
            border-bottom: 1px solid var(--border);
            position: sticky;
            top: 0;
            z-index: 100;
            height: 64px;
            display: flex;
            align-items: center;
            box-shadow: 0 1px 4px rgba(0, 0, 0, 0.03);
        }

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

        .brand {
            display: flex;
            align-items: center;
            gap: 10px;
            font-size: 20px;
            font-weight: 700;
            color: var(--primary);
        }

        .brand .logo-icon {
            display: inline-flex;
            align-items: center;
            justify-content: center;
            width: 36px;
            height: 36px;
            border-radius: 50%;
            background: var(--accent);
            color: #fff;
            font-size: 18px;
            font-weight: 700;
        }

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

        .nav-list {
            display: flex;
            align-items: center;
            gap: 28px;
            list-style: none;
            margin: 0;
            padding: 0;
        }

        .nav-list a {
            font-size: 14px;
            font-weight: 500;
            color: var(--text-main);
            padding: 20px 0;
            position: relative;
            display: inline-block;
            transition: var(--transition);
        }

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

        .nav-list a.active {
            color: var(--accent);
            font-weight: 600;
        }

        .nav-list a.active::after {
            content: '';
            position: absolute;
            bottom: 12px;
            left: 0;
            right: 0;
            height: 2px;
            background: var(--accent);
            border-radius: 2px;
        }

        .hamburger {
            display: none;
            flex-direction: column;
            gap: 5px;
            width: 28px;
            padding: 0;
            background: none;
            border: none;
        }

        .hamburger span {
            display: block;
            height: 2px;
            width: 100%;
            background: var(--primary);
            border-radius: 2px;
            transition: var(--transition);
        }

        /* Breadcrumb */
        .breadcrumb-wrap {
            padding: 18px 0;
            background: transparent;
        }

        .breadcrumb {
            margin: 0;
            padding: 0;
            list-style: none;
            display: flex;
            align-items: center;
            gap: 8px;
            font-size: 14px;
            color: var(--text-secondary);
        }

        .breadcrumb li {
            display: flex;
            align-items: center;
            gap: 8px;
        }

        .breadcrumb li:not(:last-child)::after {
            content: '/';
            color: var(--border);
            font-size: 14px;
        }

        .breadcrumb a {
            color: var(--text-secondary);
            transition: var(--transition);
        }

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

        .breadcrumb .current {
            color: var(--text-main);
            font-weight: 500;
        }

        /* Category Hero (not home hero style) */
        .category-hero {
            padding: 40px 0 32px;
            background: linear-gradient(180deg, #E8F1ED 0%, #F7F5F0 100%);
        }

        .category-hero h1 {
            font-size: 38px;
            font-weight: 700;
            line-height: 1.3;
            color: var(--text-main);
            margin-bottom: 16px;
        }

        .category-hero .lead {
            font-size: 16px;
            color: var(--text-secondary);
            line-height: 1.8;
            max-width: 820px;
            margin-bottom: 0;
        }

        /* League cards */
        .league-card {
            background: var(--card-bg);
            border-radius: var(--radius-sm);
            box-shadow: var(--shadow-sm);
            overflow: hidden;
            transition: var(--transition);
            border: 1px solid transparent;
            height: 100%;
            display: flex;
            flex-direction: column;
        }

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

        .league-card .cover-image {
            border-radius: 0;
            aspect-ratio: 16/9;
            flex-shrink: 0;
        }

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

        .league-card .league-name {
            font-size: 20px;
            font-weight: 700;
            color: var(--text-main);
            margin-bottom: 8px;
        }

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

        .league-card .league-meta {
            display: flex;
            align-items: center;
            gap: 8px;
            flex-wrap: wrap;
        }

        /* Team cards */
        .team-card {
            background: var(--card-bg);
            border-radius: var(--radius-sm);
            box-shadow: var(--shadow-sm);
            overflow: hidden;
            transition: var(--transition);
            border: 1px solid transparent;
            height: 100%;
            display: flex;
            flex-direction: column;
        }

        .team-card:hover {
            box-shadow: var(--shadow-hover);
            border-color: var(--border);
        }

        .team-card .cover-image {
            border-radius: 0;
            aspect-ratio: 4/3;
            flex-shrink: 0;
        }

        .team-card .team-body {
            padding: 18px;
            flex: 1;
        }

        .team-card .team-name {
            font-size: 18px;
            font-weight: 700;
            color: var(--text-main);
            margin-bottom: 6px;
        }

        .team-card .team-desc {
            font-size: 14px;
            color: var(--text-secondary);
            line-height: 1.7;
        }

        /* Table */
        .ranking-table {
            width: 100%;
            border-collapse: collapse;
            background: var(--card-bg);
            border-radius: var(--radius-sm);
            overflow: hidden;
            box-shadow: var(--shadow-sm);
        }

        .ranking-table thead th {
            background: var(--primary);
            color: #fff;
            font-size: 13px;
            font-weight: 600;
            padding: 12px 16px;
            text-align: left;
            letter-spacing: 0.5px;
        }

        .ranking-table tbody td {
            padding: 12px 16px;
            font-size: 14px;
            border-bottom: 1px solid var(--border);
            color: var(--text-main);
        }

        .ranking-table tbody tr:last-child td {
            border-bottom: none;
        }

        .ranking-table tbody tr:hover td {
            background: #F9F7F3;
        }

        .ranking-table .team-cell {
            display: flex;
            align-items: center;
            gap: 10px;
        }

        .ranking-table .team-badge {
            display: inline-flex;
            align-items: center;
            justify-content: center;
            width: 28px;
            height: 28px;
            border-radius: 50%;
            background: var(--primary-light);
            color: var(--primary);
            font-size: 12px;
            font-weight: 700;
            flex-shrink: 0;
        }

        .ranking-table .pts {
            font-weight: 700;
            color: var(--accent);
            font-size: 16px;
        }

        /* Schedule list */
        .schedule-list {
            list-style: none;
            padding: 0;
            margin: 0;
        }

        .schedule-list li {
            display: flex;
            align-items: center;
            gap: 16px;
            padding: 14px 0;
            border-bottom: 1px solid var(--border);
            font-size: 14px;
            color: var(--text-main);
        }

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

        .schedule-list .match-date {
            min-width: 70px;
            font-weight: 600;
            color: var(--text-secondary);
            font-size: 13px;
        }

        .schedule-list .match-info {
            flex: 1;
            font-size: 14px;
        }

        .schedule-list .match-league {
            font-size: 12px;
            color: var(--text-secondary);
        }

        .schedule-list .match-teams {
            font-weight: 600;
            color: var(--text-main);
        }

        /* Related links */
        .related-links {
            display: flex;
            flex-wrap: wrap;
            gap: 12px;
        }

        .related-links a {
            display: inline-flex;
            align-items: center;
            gap: 6px;
            padding: 8px 16px;
            background: var(--card-bg);
            border: 1px solid var(--border);
            border-radius: 20px;
            font-size: 13px;
            font-weight: 500;
            color: var(--text-main);
            transition: var(--transition);
        }

        .related-links a:hover {
            border-color: var(--accent);
            color: var(--accent);
            background: #FDFBFA;
        }

        /* Footer */
        .site-footer {
            background: #1A1A1A;
            color: #C9C9C9;
            padding: 48px 0 24px;
            font-size: 13px;
        }

        .footer-top {
            display: grid;
            grid-template-columns: 2fr 1fr 1fr 1fr;
            gap: 40px;
            padding-bottom: 32px;
            border-bottom: 1px solid rgba(255, 255, 255, 0.1);
        }

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

        .footer-brand .logo-icon {
            display: inline-flex;
            align-items: center;
            justify-content: center;
            width: 32px;
            height: 32px;
            border-radius: 50%;
            background: var(--accent);
            color: #fff;
            font-size: 16px;
        }

        .footer-desc {
            font-size: 13px;
            color: #9A9A9A;
            line-height: 1.7;
            margin-bottom: 0;
        }

        .footer-col h4 {
            font-size: 14px;
            font-weight: 600;
            color: #fff;
            margin-bottom: 16px;
        }

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

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

        .footer-col a {
            color: #9A9A9A;
            font-size: 13px;
            transition: var(--transition);
        }

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

        .footer-bottom {
            display: flex;
            align-items: center;
            justify-content: space-between;
            flex-wrap: wrap;
            gap: 12px;
            padding-top: 20px;
            font-size: 12px;
            color: #7A7A7A;
        }

        .footer-links {
            display: flex;
            gap: 16px;
            flex-wrap: wrap;
        }

        /* Responsive */
        @media (max-width: 991px) {
            .footer-top {
                grid-template-columns: 1fr 1fr;
                gap: 32px;
            }
        }

        @media (max-width: 767px) {
            .site-header {
                height: 56px;
            }
            .hamburger {
                display: flex;
            }
            .nav-list {
                position: fixed;
                top: 56px;
                left: 0;
                right: 0;
                background: var(--card-bg);
                flex-direction: column;
                align-items: flex-start;
                gap: 0;
                padding: 12px 24px;
                border-bottom: 1px solid var(--border);
                box-shadow: 0 4px 12px rgba(0, 0, 0, 0.06);
                display: none;
                z-index: 99;
            }
            .nav-list.open {
                display: flex;
            }
            .nav-list li {
                width: 100%;
            }
            .nav-list a {
                display: block;
                padding: 12px 0;
                font-size: 15px;
            }
            .nav-list a.active::after {
                bottom: 4px;
            }
            .section {
                padding: var(--section-spacing-mobile) 0;
            }
            .section-title {
                font-size: 24px;
            }
            .category-hero h1 {
                font-size: 30px;
            }
            .footer-top {
                grid-template-columns: 1fr;
                gap: 24px;
            }
            .footer-bottom {
                flex-direction: column;
                align-items: flex-start;
            }
            .ranking-table {
                font-size: 12px;
            }
            .ranking-table thead th,
            .ranking-table tbody td {
                padding: 8px 10px;
                font-size: 12px;
            }
            .schedule-list li {
                flex-direction: column;
                align-items: flex-start;
                gap: 4px;
            }
        }

        @media (max-width: 575px) {
            .league-card .card-body {
                padding: 16px;
            }
            .team-card .team-body {
                padding: 14px;
            }
            .rank-table-wrap {
                overflow-x: auto;
            }
            .ranking-table {
                min-width: 500px;
            }
        }

/* 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}