/* roulang page: index */
:root {
            --primary: #10251B;
            --primary-2: #1A3629;
            --accent: #B9F73E;
            --accent-strong: #C8F04B;
            --bg: #F4F4EF;
            --bg-soft: #F6F7F2;
            --card: #FFFFFF;
            --card-light: #FBFCF8;
            --border: #E5E7E0;
            --divider: #D9DCD2;
            --text: #14191A;
            --text-2: #5B6460;
            --text-3: #8A918C;
            --radius: 12px;
            --radius-sm: 8px;
            --radius-pill: 999px;
            --shadow: 0 8px 30px rgba(0, 0, 0, 0.06);
            --shadow-hover: 0 12px 36px rgba(0, 0, 0, 0.1);
            --font: 'PingFang SC', 'Source Han Sans SC', 'Noto Sans SC', 'Microsoft YaHei', 'Inter', 'Roboto', 'DIN', sans-serif;
            --spacing-sm: 8px;
            --spacing-md: 16px;
            --spacing-lg: 24px;
            --spacing-xl: 40px;
            --spacing-2xl: 64px;
            --spacing-3xl: 80px;
            --max-w: 1200px;
        }

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

        html {
            scroll-behavior: smooth;
            -webkit-font-smoothing: antialiased;
            -moz-osx-font-smoothing: grayscale;
        }

        body {
            font-family: var(--font);
            background-color: var(--bg);
            color: var(--text);
            line-height: 1.75;
            font-size: 16px;
            min-height: 100vh;
            display: flex;
            flex-direction: column;
        }

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

        a {
            color: inherit;
            text-decoration: none;
            transition: color 0.2s, background-color 0.2s, border-color 0.2s, opacity 0.2s;
        }

        a:hover {
            opacity: 0.85;
        }

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

        button:focus-visible,
        a:focus-visible {
            outline: 3px solid var(--accent);
            outline-offset: 2px;
            border-radius: 4px;
        }

        .container {
            width: 100%;
            max-width: var(--max-w);
            margin: 0 auto;
            padding-left: var(--spacing-lg);
            padding-right: var(--spacing-lg);
        }

        /* Header / Navigation */
        .site-header {
            position: sticky;
            top: 0;
            z-index: 100;
            padding: 12px 0;
            background: rgba(244, 244, 239, 0.92);
            backdrop-filter: blur(12px);
            -webkit-backdrop-filter: blur(12px);
            border-bottom: 1px solid var(--border);
        }

        .nav-panel {
            display: flex;
            align-items: center;
            justify-content: space-between;
            gap: var(--spacing-md);
            background: var(--card);
            border: 1px solid var(--border);
            border-radius: var(--radius);
            padding: 10px 16px;
            box-shadow: var(--shadow);
            flex-wrap: nowrap;
        }

        .logo {
            display: flex;
            align-items: center;
            gap: 8px;
            font-weight: 700;
            font-size: 1.25rem;
            color: var(--primary);
            letter-spacing: 0.02em;
            white-space: nowrap;
            flex-shrink: 0;
        }

        .logo-icon {
            width: 32px;
            height: 32px;
            background: var(--primary);
            color: var(--accent);
            border-radius: var(--radius-sm);
            display: flex;
            align-items: center;
            justify-content: center;
            font-size: 1rem;
            font-weight: 800;
        }

        .nav-links {
            display: flex;
            align-items: center;
            gap: 6px;
            flex-wrap: nowrap;
            overflow-x: auto;
            scrollbar-width: none;
            -ms-overflow-style: none;
        }

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

        .nav-link {
            display: inline-flex;
            align-items: center;
            gap: 4px;
            padding: 8px 14px;
            border-radius: var(--radius-sm);
            font-size: 0.88rem;
            font-weight: 500;
            color: var(--text-2);
            white-space: nowrap;
            border: 1px solid transparent;
            transition: all 0.2s;
        }

        .nav-link:hover {
            background: var(--bg-soft);
            color: var(--primary);
            border-color: var(--border);
            opacity: 1;
        }

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

        .nav-cta {
            display: inline-flex;
            align-items: center;
            gap: 6px;
            background: var(--accent);
            color: var(--primary);
            font-weight: 700;
            padding: 8px 18px;
            border-radius: var(--radius-pill);
            font-size: 0.88rem;
            white-space: nowrap;
            flex-shrink: 0;
            transition: all 0.2s;
            border: 1px solid transparent;
        }

        .nav-cta:hover {
            background: var(--accent-strong);
            opacity: 1;
            transform: translateY(-1px);
            box-shadow: 0 6px 16px rgba(185, 247, 62, 0.3);
        }

        .nav-toggle {
            display: none;
            flex-direction: column;
            gap: 5px;
            background: var(--bg-soft);
            border: 1px solid var(--border);
            border-radius: var(--radius-sm);
            padding: 8px;
            flex-shrink: 0;
        }

        .nav-toggle span {
            display: block;
            width: 20px;
            height: 2px;
            background: var(--text);
            border-radius: 2px;
            transition: all 0.2s;
        }

        /* Hero */
        .hero {
            position: relative;
            background: var(--primary);
            color: #fff;
            padding: var(--spacing-3xl) 0 var(--spacing-2xl);
            overflow: hidden;
            clip-path: polygon(0 0, 100% 0, 100% 96%, 0 100%);
            min-height: 540px;
            display: flex;
            align-items: center;
        }

        .hero::before {
            content: '';
            position: absolute;
            top: -30%;
            right: -10%;
            width: 55%;
            height: 160%;
            background: var(--primary-2);
            transform: rotate(12deg);
            border-radius: 40px;
            opacity: 0.6;
            pointer-events: none;
        }

        .hero::after {
            content: '';
            position: absolute;
            bottom: -20%;
            left: -5%;
            width: 40%;
            height: 80%;
            background: rgba(185, 247, 62, 0.06);
            transform: rotate(-8deg);
            border-radius: 60px;
            pointer-events: none;
        }

        .hero .container {
            position: relative;
            z-index: 2;
            display: grid;
            grid-template-columns: 1fr 1fr;
            align-items: center;
            gap: var(--spacing-2xl);
        }

        .hero-content {
            max-width: 560px;
        }

        .hero-tag {
            display: inline-block;
            background: rgba(185, 247, 62, 0.15);
            color: var(--accent);
            padding: 6px 16px;
            border-radius: var(--radius-pill);
            font-size: 0.82rem;
            font-weight: 600;
            letter-spacing: 0.04em;
            margin-bottom: var(--spacing-md);
            border: 1px solid rgba(185, 247, 62, 0.3);
        }

        .hero h1 {
            font-size: 2.8rem;
            line-height: 1.2;
            font-weight: 800;
            margin-bottom: var(--spacing-md);
            color: #fff;
            letter-spacing: 0.01em;
        }

        .hero h1 .highlight {
            color: var(--accent);
        }

        .hero-description {
            font-size: 1.06rem;
            line-height: 1.8;
            color: rgba(255, 255, 255, 0.8);
            margin-bottom: var(--spacing-lg);
            max-width: 520px;
        }

        .hero-actions {
            display: flex;
            flex-wrap: wrap;
            gap: var(--spacing-md);
            align-items: center;
        }

        .btn-primary {
            display: inline-flex;
            align-items: center;
            gap: 8px;
            background: var(--accent);
            color: var(--primary);
            font-weight: 700;
            padding: 14px 28px;
            border-radius: var(--radius-pill);
            font-size: 1rem;
            transition: all 0.25s;
            border: 1px solid var(--accent);
        }

        .btn-primary:hover {
            background: var(--accent-strong);
            transform: translateY(-2px);
            box-shadow: 0 12px 28px rgba(185, 247, 62, 0.35);
            opacity: 1;
        }

        .btn-secondary {
            display: inline-flex;
            align-items: center;
            gap: 8px;
            background: transparent;
            color: #fff;
            font-weight: 600;
            padding: 12px 22px;
            border-radius: var(--radius-pill);
            font-size: 0.95rem;
            transition: all 0.25s;
            border: 1px solid rgba(255, 255, 255, 0.35);
        }

        .btn-secondary:hover {
            background: rgba(255, 255, 255, 0.1);
            border-color: rgba(255, 255, 255, 0.6);
            opacity: 1;
        }

        .hero-visual {
            position: relative;
            z-index: 2;
            display: flex;
            justify-content: flex-end;
        }

        .hero-score-card {
            background: var(--card);
            color: var(--text);
            border-radius: var(--radius);
            padding: var(--spacing-lg);
            box-shadow: 0 20px 50px rgba(0, 0, 0, 0.3);
            width: 100%;
            max-width: 420px;
            border: 1px solid rgba(255, 255, 255, 0.2);
        }

        .hero-score-card .match-title {
            font-size: 0.85rem;
            font-weight: 600;
            color: var(--text-2);
            margin-bottom: var(--spacing-md);
            letter-spacing: 0.04em;
        }

        .hero-score-row {
            display: flex;
            align-items: center;
            justify-content: space-between;
            gap: var(--spacing-md);
            padding: var(--spacing-md) 0;
            border-bottom: 1px solid var(--divider);
        }

        .hero-score-row:last-child {
            border-bottom: none;
        }

        .hero-team {
            font-weight: 700;
            font-size: 1rem;
        }

        .hero-score {
            font-weight: 800;
            font-size: 1.5rem;
            color: var(--primary);
            min-width: 60px;
            text-align: center;
        }

        .hero-status {
            display: inline-block;
            background: var(--accent);
            color: var(--primary);
            font-size: 0.7rem;
            font-weight: 700;
            padding: 2px 10px;
            border-radius: var(--radius-pill);
            letter-spacing: 0.04em;
        }

        /* Sections */
        section {
            padding: var(--spacing-2xl) 0;
        }

        .section-label {
            display: inline-block;
            background: rgba(16, 37, 27, 0.07);
            color: var(--primary);
            padding: 4px 14px;
            border-radius: var(--radius-pill);
            font-size: 0.78rem;
            font-weight: 700;
            letter-spacing: 0.06em;
            margin-bottom: var(--spacing-md);
            text-transform: uppercase;
        }

        .section-title {
            font-size: 2rem;
            font-weight: 800;
            line-height: 1.3;
            color: var(--text);
            margin-bottom: var(--spacing-md);
            letter-spacing: 0.01em;
        }

        .section-description {
            font-size: 1.05rem;
            color: var(--text-2);
            line-height: 1.8;
            max-width: 680px;
            margin-bottom: var(--spacing-lg);
        }

        .section-header {
            margin-bottom: var(--spacing-xl);
        }

        /* Countdown */
        .countdown-section {
            background: var(--card);
            border-top: 1px solid var(--border);
            border-bottom: 1px solid var(--border);
        }

        .countdown-grid {
            display: flex;
            flex-wrap: wrap;
            gap: var(--spacing-lg);
            align-items: center;
            justify-content: space-between;
        }

        .countdown-info {
            flex: 1;
            min-width: 260px;
        }

        .countdown-match {
            font-size: 1.4rem;
            font-weight: 700;
            color: var(--primary);
            margin-bottom: var(--spacing-sm);
        }

        .countdown-desc {
            color: var(--text-2);
            font-size: 0.95rem;
        }

        .countdown-timer {
            display: flex;
            gap: var(--spacing-md);
            flex-wrap: wrap;
        }

        .countdown-box {
            background: var(--primary);
            color: var(--accent);
            border-radius: var(--radius);
            padding: var(--spacing-md) var(--spacing-lg);
            text-align: center;
            min-width: 80px;
        }

        .countdown-box .number {
            font-size: 2.2rem;
            font-weight: 800;
            line-height: 1.2;
            display: block;
        }

        .countdown-box .unit {
            font-size: 0.78rem;
            color: rgba(255, 255, 255, 0.7);
            text-transform: uppercase;
            letter-spacing: 0.06em;
        }

        /* Highlights */
        .highlights-grid {
            display: grid;
            grid-template-columns: repeat(auto-fill, minmax(260px, 1fr));
            gap: var(--spacing-lg);
        }

        .highlight-card {
            background: var(--card);
            border: 1px solid var(--border);
            border-radius: var(--radius);
            overflow: hidden;
            transition: all 0.25s;
        }

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

        .highlight-card img {
            width: 100%;
            height: 180px;
            object-fit: cover;
            border-bottom: 1px solid var(--border);
        }

        .highlight-body {
            padding: var(--spacing-md);
        }

        .highlight-title {
            font-size: 1.05rem;
            font-weight: 700;
            color: var(--primary);
            margin-bottom: var(--spacing-sm);
            line-height: 1.4;
        }

        .highlight-text {
            font-size: 0.9rem;
            color: var(--text-2);
            line-height: 1.6;
        }

        .highlight-tag {
            display: inline-block;
            background: rgba(185, 247, 62, 0.25);
            color: var(--primary);
            font-size: 0.72rem;
            font-weight: 700;
            padding: 3px 10px;
            border-radius: var(--radius-pill);
            margin-bottom: var(--spacing-sm);
        }

        /* Pain points */
        .pain-grid {
            display: grid;
            grid-template-columns: repeat(auto-fill, minmax(240px, 1fr));
            gap: var(--spacing-lg);
        }

        .pain-card {
            background: var(--card);
            border: 1px solid var(--border);
            border-radius: var(--radius);
            padding: var(--spacing-lg);
            transition: all 0.25s;
            position: relative;
        }

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

        .pain-icon {
            width: 44px;
            height: 44px;
            background: var(--bg-soft);
            border-radius: var(--radius-sm);
            display: flex;
            align-items: center;
            justify-content: center;
            font-size: 1.3rem;
            margin-bottom: var(--spacing-md);
            border: 1px solid var(--border);
        }

        .pain-title {
            font-size: 1.05rem;
            font-weight: 700;
            color: var(--primary);
            margin-bottom: var(--spacing-sm);
        }

        .pain-text {
            font-size: 0.9rem;
            color: var(--text-2);
            line-height: 1.7;
        }

        /* Solutions */
        .solution-grid {
            display: grid;
            grid-template-columns: repeat(auto-fit, minmax(280px, 1fr));
            gap: var(--spacing-lg);
        }

        .solution-card {
            background: var(--primary);
            color: #fff;
            border-radius: var(--radius);
            padding: var(--spacing-xl);
            transition: all 0.25s;
            border: 1px solid rgba(255, 255, 255, 0.1);
        }

        .solution-card:hover {
            transform: translateY(-4px);
            box-shadow: 0 16px 40px rgba(0, 0, 0, 0.2);
        }

        .solution-card h3 {
            font-size: 1.25rem;
            font-weight: 700;
            margin-bottom: var(--spacing-md);
            color: var(--accent);
        }

        .solution-card p {
            color: rgba(255, 255, 255, 0.8);
            font-size: 0.95rem;
            line-height: 1.7;
        }

        /* Steps */
        .steps-container {
            display: flex;
            flex-direction: column;
            gap: var(--spacing-md);
            max-width: 800px;
            margin: 0 auto;
        }

        .step-item {
            display: flex;
            gap: var(--spacing-lg);
            align-items: flex-start;
            background: var(--card);
            border: 1px solid var(--border);
            border-radius: var(--radius);
            padding: var(--spacing-lg);
            transition: all 0.25s;
        }

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

        .step-number {
            flex-shrink: 0;
            width: 48px;
            height: 48px;
            background: var(--accent);
            color: var(--primary);
            border-radius: var(--radius-sm);
            display: flex;
            align-items: center;
            justify-content: center;
            font-size: 1.3rem;
            font-weight: 800;
        }

        .step-content h4 {
            font-size: 1.1rem;
            font-weight: 700;
            color: var(--primary);
            margin-bottom: var(--spacing-sm);
        }

        .step-content p {
            font-size: 0.92rem;
            color: var(--text-2);
            line-height: 1.7;
        }

        /* Metrics */
        .metrics-grid {
            display: grid;
            grid-template-columns: repeat(auto-fit, minmax(160px, 1fr));
            gap: var(--spacing-md);
        }

        .metric-card {
            background: var(--card);
            border: 1px solid var(--border);
            border-radius: var(--radius);
            padding: var(--spacing-lg);
            text-align: center;
            transition: all 0.25s;
        }

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

        .metric-number {
            font-size: 2.4rem;
            font-weight: 800;
            color: var(--primary);
            line-height: 1.2;
            display: block;
            margin-bottom: var(--spacing-sm);
        }

        .metric-label {
            font-size: 0.85rem;
            color: var(--text-2);
            font-weight: 500;
        }

        /* Testimonials */
        .testimonial-grid {
            display: grid;
            grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
            gap: var(--spacing-lg);
        }

        .testimonial-card {
            background: var(--card);
            border: 1px solid var(--border);
            border-radius: var(--radius);
            padding: var(--spacing-xl);
            transition: all 0.25s;
            position: relative;
        }

        .testimonial-card:nth-child(even) {
            background: var(--bg-soft);
        }

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

        .testimonial-text {
            font-size: 0.98rem;
            color: var(--text);
            line-height: 1.8;
            margin-bottom: var(--spacing-md);
            font-style: italic;
        }

        .testimonial-author {
            font-size: 0.88rem;
            font-weight: 700;
            color: var(--primary);
        }

        .testimonial-role {
            font-size: 0.8rem;
            color: var(--text-3);
        }

        /* Audience */
        .audience-grid {
            display: grid;
            grid-template-columns: repeat(auto-fit, minmax(220px, 1fr));
            gap: var(--spacing-md);
        }

        .audience-card {
            background: var(--card);
            border: 1px solid var(--border);
            border-radius: var(--radius);
            padding: var(--spacing-lg);
            text-align: center;
            transition: all 0.25s;
        }

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

        .audience-card .icon {
            font-size: 2rem;
            margin-bottom: var(--spacing-sm);
        }

        .audience-card h4 {
            font-weight: 700;
            color: var(--primary);
            margin-bottom: var(--spacing-sm);
            font-size: 1.05rem;
        }

        .audience-card p {
            font-size: 0.88rem;
            color: var(--text-2);
            line-height: 1.6;
        }

        /* News */
        .news-list {
            display: flex;
            flex-direction: column;
            gap: var(--spacing-md);
        }

        .news-item {
            display: flex;
            gap: var(--spacing-lg);
            background: var(--card);
            border: 1px solid var(--border);
            border-radius: var(--radius);
            padding: var(--spacing-lg);
            transition: all 0.25s;
            align-items: flex-start;
        }

        .news-item:hover {
            transform: translateY(-2px);
            box-shadow: var(--shadow-hover);
        }

        .news-item img {
            width: 120px;
            height: 80px;
            object-fit: cover;
            border-radius: var(--radius-sm);
            flex-shrink: 0;
        }

        .news-body {
            flex: 1;
        }

        .news-date {
            font-size: 0.78rem;
            color: var(--text-3);
            font-weight: 500;
            margin-bottom: 4px;
        }

        .news-title {
            font-size: 1.08rem;
            font-weight: 700;
            color: var(--primary);
            margin-bottom: var(--spacing-sm);
            line-height: 1.4;
        }

        .news-summary {
            font-size: 0.9rem;
            color: var(--text-2);
            line-height: 1.65;
            margin-bottom: var(--spacing-sm);
        }

        .btn-outline {
            display: inline-flex;
            align-items: center;
            gap: 6px;
            border: 1px solid var(--border);
            color: var(--primary);
            font-weight: 600;
            padding: 6px 16px;
            border-radius: var(--radius-pill);
            font-size: 0.85rem;
            transition: all 0.25s;
            background: transparent;
        }

        .btn-outline:hover {
            background: var(--primary);
            color: var(--accent);
            border-color: var(--primary);
            opacity: 1;
        }

        /* Brand intro */
        .brand-section {
            background: var(--primary);
            color: #fff;
            clip-path: polygon(0 2%, 100% 0, 100% 98%, 0 100%);
            padding: var(--spacing-3xl) 0;
        }

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

        .brand-section .section-description {
            color: rgba(255, 255, 255, 0.75);
        }

        .brand-text {
            font-size: 1.05rem;
            line-height: 1.9;
            color: rgba(255, 255, 255, 0.85);
            max-width: 800px;
        }

        /* Category entrance */
        .category-grid {
            display: grid;
            grid-template-columns: repeat(auto-fit, minmax(200px, 1fr));
            gap: var(--spacing-md);
        }

        .category-link {
            display: flex;
            flex-direction: column;
            align-items: center;
            gap: var(--spacing-sm);
            background: var(--card);
            border: 1px solid var(--border);
            border-radius: var(--radius);
            padding: var(--spacing-xl);
            text-align: center;
            transition: all 0.25s;
        }

        .category-link:hover {
            transform: translateY(-4px);
            box-shadow: var(--shadow-hover);
            border-color: var(--accent);
            opacity: 1;
        }

        .category-link .icon {
            font-size: 2rem;
        }

        .category-link span {
            font-weight: 700;
            color: var(--primary);
            font-size: 1rem;
        }

        /* FAQ */
        .faq-list {
            display: flex;
            flex-direction: column;
            gap: var(--spacing-md);
            max-width: 800px;
            margin: 0 auto;
        }

        .faq-item {
            background: var(--card);
            border: 1px solid var(--border);
            border-radius: var(--radius);
            overflow: hidden;
            transition: all 0.25s;
        }

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

        .faq-question {
            display: flex;
            align-items: center;
            justify-content: space-between;
            gap: var(--spacing-md);
            padding: var(--spacing-lg);
            font-weight: 700;
            color: var(--primary);
            font-size: 1rem;
            cursor: pointer;
            background: none;
            width: 100%;
            text-align: left;
            border: none;
        }

        .faq-question .faq-icon {
            flex-shrink: 0;
            width: 24px;
            height: 24px;
            display: flex;
            align-items: center;
            justify-content: center;
            font-size: 1.2rem;
            color: var(--accent-strong);
            transition: transform 0.3s;
        }

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

        .faq-answer {
            padding: 0 var(--spacing-lg) var(--spacing-lg);
            color: var(--text-2);
            font-size: 0.95rem;
            line-height: 1.75;
            display: none;
        }

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

        /* CTA */
        .cta-section {
            background: var(--bg-soft);
            border-top: 1px solid var(--border);
            border-bottom: 1px solid var(--border);
        }

        .cta-panel {
            background: var(--primary);
            border-radius: var(--radius);
            padding: var(--spacing-2xl);
            display: flex;
            flex-wrap: wrap;
            align-items: center;
            justify-content: space-between;
            gap: var(--spacing-lg);
            box-shadow: 0 20px 50px rgba(0, 0, 0, 0.15);
        }

        .cta-panel h2 {
            font-size: 1.8rem;
            font-weight: 800;
            color: #fff;
            margin-bottom: var(--spacing-sm);
        }

        .cta-panel p {
            color: rgba(255, 255, 255, 0.7);
            font-size: 1rem;
        }

        .cta-panel .btn-primary {
            flex-shrink: 0;
        }

        /* Footer */
        .site-footer {
            background: var(--primary);
            color: rgba(255, 255, 255, 0.7);
            padding: var(--spacing-2xl) 0 var(--spacing-lg);
            margin-top: auto;
        }

        .footer-grid {
            display: grid;
            grid-template-columns: repeat(auto-fit, minmax(200px, 1fr));
            gap: var(--spacing-xl);
            margin-bottom: var(--spacing-2xl);
        }

        .footer-brand {
            font-size: 1.3rem;
            font-weight: 800;
            color: var(--accent);
            margin-bottom: var(--spacing-sm);
        }

        .footer-desc {
            font-size: 0.88rem;
            line-height: 1.7;
            color: rgba(255, 255, 255, 0.6);
        }

        .footer-col h4 {
            color: #fff;
            font-size: 1rem;
            font-weight: 700;
            margin-bottom: var(--spacing-md);
        }

        .footer-col a {
            display: block;
            color: rgba(255, 255, 255, 0.6);
            font-size: 0.88rem;
            margin-bottom: var(--spacing-sm);
            transition: color 0.2s;
        }

        .footer-col a:hover {
            color: var(--accent);
            opacity: 1;
        }

        .footer-bottom {
            border-top: 1px solid rgba(255, 255, 255, 0.15);
            padding-top: var(--spacing-lg);
            display: flex;
            flex-wrap: wrap;
            gap: var(--spacing-md);
            justify-content: space-between;
            align-items: center;
            font-size: 0.82rem;
        }

        .footer-bottom a {
            color: var(--accent);
            text-decoration: none;
            font-weight: 600;
        }

        .footer-bottom a:hover {
            opacity: 0.8;
        }

        /* Responsive */
        @media (max-width: 1024px) {
            .hero .container {
                grid-template-columns: 1fr;
                gap: var(--spacing-xl);
            }
            .hero-visual {
                justify-content: center;
            }
            .hero h1 {
                font-size: 2.2rem;
            }
            .section-title {
                font-size: 1.7rem;
            }
            .countdown-grid {
                flex-direction: column;
                align-items: flex-start;
            }
        }

        @media (max-width: 768px) {
            .nav-panel {
                flex-wrap: wrap;
                gap: 8px;
            }
            .nav-links {
                order: 3;
                width: 100%;
                flex-wrap: nowrap;
                overflow-x: auto;
                gap: 4px;
                padding-bottom: 4px;
            }
            .nav-link {
                font-size: 0.8rem;
                padding: 6px 10px;
            }
            .nav-cta {
                font-size: 0.82rem;
                padding: 6px 14px;
            }
            .nav-toggle {
                display: flex;
            }
            .nav-links {
                display: none;
                flex-wrap: nowrap;
                overflow-x: auto;
                width: 100%;
            }
            .nav-links.open {
                display: flex;
            }
            .hero {
                min-height: 420px;
                padding: var(--spacing-2xl) 0;
                clip-path: polygon(0 0, 100% 0, 100% 98%, 0 100%);
            }
            .hero h1 {
                font-size: 1.8rem;
            }
            .hero-description {
                font-size: 0.95rem;
            }
            section {
                padding: var(--spacing-xl) 0;
            }
            .section-title {
                font-size: 1.45rem;
            }
            .news-item {
                flex-direction: column;
            }
            .news-item img {
                width: 100%;
                height: 160px;
            }
            .cta-panel {
                padding: var(--spacing-xl);
            }
            .cta-panel h2 {
                font-size: 1.4rem;
            }
            .metrics-grid {
                grid-template-columns: repeat(2, 1fr);
            }
            .highlights-grid,
            .pain-grid,
            .solution-grid,
            .testimonial-grid,
            .audience-grid {
                grid-template-columns: 1fr;
            }
            .countdown-box {
                min-width: 64px;
                padding: var(--spacing-sm) var(--spacing-md);
            }
            .countdown-box .number {
                font-size: 1.6rem;
            }
        }

        @media (max-width: 520px) {
            .hero h1 {
                font-size: 1.5rem;
            }
            .container {
                padding-left: var(--spacing-md);
                padding-right: var(--spacing-md);
            }
            .section-title {
                font-size: 1.3rem;
            }
            .hero-score-card {
                padding: var(--spacing-md);
            }
            .btn-primary,
            .btn-secondary {
                width: 100%;
                justify-content: center;
            }
            .hero-actions {
                flex-direction: column;
            }
            .footer-grid {
                grid-template-columns: 1fr;
            }
            .footer-bottom {
                flex-direction: column;
                text-align: center;
            }
            .step-item {
                flex-direction: column;
                gap: var(--spacing-sm);
            }
        }

/* roulang page: category3 */
:root {
      --primary: #10251B;
      --primary-2: #1A3629;
      --accent: #B9F73E;
      --accent-strong: #C8F04B;
      --bg: #F4F4EF;
      --bg-soft: #F6F7F2;
      --card: #FFFFFF;
      --card-light: #FBFCF8;
      --border: #E5E7E0;
      --divider: #D9DCD2;
      --text: #14191A;
      --text-2: #5B6460;
      --text-3: #8A918C;
      --radius: 12px;
      --radius-sm: 8px;
      --radius-pill: 999px;
      --shadow: 0 8px 30px rgba(0, 0, 0, 0.06);
      --shadow-hover: 0 12px 36px rgba(0, 0, 0, 0.1);
      --font: 'PingFang SC', 'Source Han Sans SC', 'Noto Sans SC', 'Microsoft YaHei', 'Inter', 'Roboto', 'DIN', sans-serif;
      --spacing-sm: 8px;
      --spacing-md: 16px;
      --spacing-lg: 24px;
      --spacing-xl: 40px;
      --spacing-2xl: 64px;
      --spacing-3xl: 80px;
      --max-w: 1200px;
    }
    html {
      scroll-behavior: smooth;
      -webkit-font-smoothing: antialiased;
      -moz-osx-font-smoothing: grayscale;
    }
    body {
      font-family: var(--font);
      background-color: var(--bg);
      color: var(--text);
      line-height: 1.75;
      font-size: 16px;
      min-height: 100vh;
      display: flex;
      flex-direction: column;
      margin: 0;
    }
    img {
      max-width: 100%;
      height: auto;
      display: block;
    }
    a {
      color: inherit;
      text-decoration: none;
      transition: color 0.2s, background-color 0.2s, border-color 0.2s, opacity 0.2s;
    }
    a:hover {
      opacity: 0.85;
    }
    button {
      font-family: inherit;
      cursor: pointer;
      border: none;
      background: none;
      font-size: inherit;
    }
    button:focus-visible,
    a:focus-visible {
      outline: 3px solid var(--accent);
      outline-offset: 2px;
      border-radius: 4px;
    }
    .container {
      width: 100%;
      max-width: var(--max-w);
      margin: 0 auto;
      padding-left: var(--spacing-lg);
      padding-right: var(--spacing-lg);
    }
    /* Header / Navigation */
    .site-header {
      position: sticky;
      top: 0;
      z-index: 100;
      padding: 12px 0;
      background: rgba(244, 244, 239, 0.92);
      backdrop-filter: blur(12px);
      -webkit-backdrop-filter: blur(12px);
      border-bottom: 1px solid var(--border);
    }
    .nav-panel {
      display: flex;
      align-items: center;
      justify-content: space-between;
      gap: var(--spacing-md);
      background: var(--card);
      border: 1px solid var(--border);
      border-radius: var(--radius);
      padding: 10px 16px;
      box-shadow: var(--shadow);
      flex-wrap: nowrap;
    }
    .logo {
      display: flex;
      align-items: center;
      gap: 8px;
      font-weight: 700;
      font-size: 1.25rem;
      color: var(--primary);
      letter-spacing: 0.02em;
      white-space: nowrap;
      flex-shrink: 0;
    }
    .logo-icon {
      width: 32px;
      height: 32px;
      background: var(--primary);
      color: var(--accent);
      border-radius: var(--radius-sm);
      display: flex;
      align-items: center;
      justify-content: center;
      font-size: 1rem;
      font-weight: 800;
    }
    .nav-links {
      display: flex;
      align-items: center;
      gap: 6px;
      flex-wrap: nowrap;
      overflow-x: auto;
      scrollbar-width: none;
      -ms-overflow-style: none;
    }
    .nav-links::-webkit-scrollbar {
      display: none;
    }
    .nav-link {
      display: inline-flex;
      align-items: center;
      gap: 4px;
      padding: 8px 14px;
      border-radius: var(--radius-sm);
      font-size: 0.88rem;
      font-weight: 500;
      color: var(--text-2);
      white-space: nowrap;
      border: 1px solid transparent;
      transition: all 0.2s;
    }
    .nav-link:hover {
      background: var(--bg-soft);
      color: var(--primary);
      border-color: var(--border);
      opacity: 1;
    }
    .nav-link.active {
      background: var(--primary);
      color: var(--accent);
      font-weight: 600;
      border-color: var(--primary);
    }
    .nav-cta {
      display: inline-flex;
      align-items: center;
      gap: 6px;
      background: var(--accent);
      color: var(--primary);
      font-weight: 700;
      padding: 8px 18px;
      border-radius: var(--radius-pill);
      font-size: 0.88rem;
      white-space: nowrap;
      flex-shrink: 0;
      transition: all 0.2s;
      border: 1px solid transparent;
    }
    .nav-cta:hover {
      background: var(--accent-strong);
      opacity: 1;
      transform: translateY(-1px);
      box-shadow: 0 6px 16px rgba(185, 247, 62, 0.3);
    }
    .nav-toggle {
      display: none;
      flex-direction: column;
      gap: 5px;
      background: var(--bg-soft);
      border: 1px solid var(--border);
      border-radius: var(--radius-sm);
      padding: 8px;
      flex-shrink: 0;
    }
    .nav-toggle span {
      display: block;
      width: 20px;
      height: 2px;
      background: var(--text);
      border-radius: 2px;
      transition: all 0.2s;
    }
    /* Generic section */
    .section {
      padding: var(--spacing-2xl) 0;
    }
    .section-alt {
      background: var(--bg-soft);
    }
    .section-title {
      font-size: 1.75rem;
      font-weight: 700;
      color: var(--primary);
      margin-bottom: 12px;
      line-height: 1.3;
    }
    .section-subtitle {
      color: var(--text-2);
      margin-bottom: var(--spacing-xl);
      font-size: 1rem;
      max-width: 720px;
    }
    /* Buttons */
    .btn {
      display: inline-flex;
      align-items: center;
      justify-content: center;
      gap: 8px;
      padding: 10px 22px;
      border-radius: var(--radius-pill);
      font-weight: 600;
      font-size: 0.95rem;
      transition: all 0.2s;
      border: 1px solid transparent;
      white-space: nowrap;
    }
    .btn-primary {
      background: var(--accent);
      color: var(--primary);
      border-color: var(--accent);
    }
    .btn-primary:hover {
      background: var(--accent-strong);
      opacity: 1;
      transform: translateY(-1px);
      box-shadow: 0 6px 16px rgba(185, 247, 62, 0.3);
    }
    .btn-outline {
      background: transparent;
      color: var(--primary);
      border: 1px solid var(--border);
    }
    .btn-outline:hover {
      background: var(--bg-soft);
      opacity: 1;
      border-color: var(--divider);
    }
    .btn-dark {
      background: var(--primary);
      color: #fff;
      border-color: var(--primary);
    }
    .btn-dark:hover {
      background: var(--primary-2);
      opacity: 1;
      transform: translateY(-1px);
    }
    /* Badge / Tag */
    .badge {
      display: inline-flex;
      align-items: center;
      padding: 4px 12px;
      border-radius: var(--radius-pill);
      font-size: 0.75rem;
      font-weight: 600;
      background: var(--bg-soft);
      color: var(--text-2);
      border: 1px solid var(--border);
      white-space: nowrap;
    }
    .badge-accent {
      background: var(--accent);
      color: var(--primary);
      border-color: var(--accent);
    }
    /* Page Header (紧凑页头) */
    .page-header {
      padding: var(--spacing-xl) 0 var(--spacing-lg);
      background: var(--primary);
      color: #fff;
      border-radius: 0 0 var(--radius) var(--radius);
    }
    .page-header .container {
      display: flex;
      flex-direction: column;
      gap: 8px;
    }
    .page-header h1 {
      font-size: 2.1rem;
      font-weight: 700;
      color: var(--accent);
      margin: 0;
      line-height: 1.2;
      letter-spacing: 0.01em;
    }
    .page-header p {
      color: rgba(255, 255, 255, 0.82);
      max-width: 700px;
      font-size: 1rem;
      line-height: 1.7;
      margin: 0;
    }
    .page-header .summary {
      display: flex;
      flex-wrap: wrap;
      gap: 16px;
      margin-top: 8px;
      font-size: 0.9rem;
      color: var(--accent-strong);
      font-weight: 500;
    }
    .page-header .summary span {
      display: inline-flex;
      align-items: center;
      gap: 4px;
    }
    /* Filter bar */
    .filter-bar {
      display: flex;
      align-items: center;
      gap: 12px;
      margin: var(--spacing-lg) 0;
      flex-wrap: wrap;
    }
    .filter-label {
      font-weight: 600;
      color: var(--text-2);
      font-size: 0.9rem;
      white-space: nowrap;
    }
    .filter-options {
      display: flex;
      gap: 8px;
      flex-wrap: wrap;
    }
    .filter-btn {
      padding: 6px 14px;
      border-radius: var(--radius-pill);
      border: 1px solid var(--border);
      background: var(--card);
      color: var(--text-2);
      font-size: 0.85rem;
      font-weight: 500;
      transition: all 0.2s;
    }
    .filter-btn:hover {
      border-color: var(--divider);
      background: var(--bg-soft);
      color: var(--primary);
      opacity: 1;
    }
    .filter-btn.active {
      background: var(--primary);
      color: var(--accent);
      border-color: var(--primary);
      font-weight: 600;
    }
    /* Team grid */
    .team-grid {
      display: grid;
      grid-template-columns: repeat(auto-fill, minmax(240px, 1fr));
      gap: var(--spacing-lg);
    }
    .team-card {
      background: var(--card);
      border: 1px solid var(--border);
      border-radius: var(--radius);
      overflow: hidden;
      box-shadow: var(--shadow);
      transition: transform 0.2s, box-shadow 0.2s;
      display: flex;
      flex-direction: column;
    }
    .team-card:hover {
      transform: translateY(-4px);
      box-shadow: var(--shadow-hover);
    }
    .team-card img {
      width: 100%;
      height: 160px;
      object-fit: cover;
      background: var(--bg-soft);
    }
    .team-card-body {
      padding: var(--spacing-md);
      display: flex;
      flex-direction: column;
      gap: 10px;
      flex: 1;
    }
    .team-card-title {
      font-size: 1.15rem;
      font-weight: 700;
      color: var(--primary);
      display: flex;
      align-items: center;
      justify-content: space-between;
      gap: 8px;
    }
    .team-card-league {
      display: inline-flex;
      align-items: center;
      gap: 4px;
      font-size: 0.75rem;
      color: var(--text-2);
      background: var(--bg-soft);
      padding: 2px 8px;
      border-radius: var(--radius-pill);
      border: 1px solid var(--border);
    }
    .team-stats {
      display: grid;
      grid-template-columns: 1fr 1fr;
      gap: 8px;
    }
    .team-stat {
      background: var(--bg-soft);
      border-radius: var(--radius-sm);
      padding: 8px 10px;
      font-size: 0.8rem;
      color: var(--text-2);
      text-align: center;
    }
    .team-stat strong {
      display: block;
      font-size: 1.1rem;
      color: var(--primary);
      font-weight: 700;
    }
    .team-card .btn {
      margin-top: 4px;
      align-self: flex-start;
      padding: 8px 16px;
      font-size: 0.85rem;
    }
    /* Compare panel */
    .compare-panel {
      background: var(--primary);
      border-radius: var(--radius);
      padding: var(--spacing-xl);
      color: #fff;
      display: flex;
      flex-wrap: wrap;
      align-items: center;
      justify-content: space-between;
      gap: var(--spacing-lg);
    }
    .compare-panel h3 {
      color: var(--accent);
      font-size: 1.5rem;
      margin: 0 0 8px;
      font-weight: 700;
    }
    .compare-panel p {
      color: rgba(255, 255, 255, 0.8);
      max-width: 500px;
      margin: 0;
    }
    .compare-panel .btn {
      background: var(--accent);
      color: var(--primary);
      border: none;
      font-weight: 700;
    }
    .compare-panel .btn:hover {
      background: var(--accent-strong);
    }
    /* Player preview */
    .player-list {
      display: grid;
      grid-template-columns: repeat(auto-fill, minmax(200px, 1fr));
      gap: var(--spacing-md);
    }
    .player-item {
      background: var(--card);
      border: 1px solid var(--border);
      border-radius: var(--radius-sm);
      padding: var(--spacing-md);
      display: flex;
      align-items: center;
      gap: 12px;
      transition: all 0.2s;
    }
    .player-item:hover {
      transform: translateY(-2px);
      box-shadow: var(--shadow);
    }
    .player-avatar {
      width: 44px;
      height: 44px;
      border-radius: 50%;
      background: var(--primary);
      color: var(--accent);
      display: flex;
      align-items: center;
      justify-content: center;
      font-weight: 700;
      flex-shrink: 0;
    }
    .player-info {
      flex: 1;
    }
    .player-name {
      font-weight: 600;
      color: var(--primary);
      font-size: 0.95rem;
    }
    .player-meta {
      font-size: 0.8rem;
      color: var(--text-2);
      display: flex;
      flex-wrap: wrap;
      gap: 4px 12px;
    }
    /* News list */
    .news-list {
      display: flex;
      flex-direction: column;
      gap: var(--spacing-md);
    }
    .news-item {
      background: var(--card);
      border: 1px solid var(--border);
      border-radius: var(--radius);
      padding: var(--spacing-md) var(--spacing-lg);
      transition: box-shadow 0.2s;
    }
    .news-item:hover {
      box-shadow: var(--shadow);
    }
    .news-item .news-date {
      font-size: 0.8rem;
      color: var(--text-3);
      margin-bottom: 4px;
    }
    .news-item h4 {
      font-size: 1.05rem;
      font-weight: 700;
      color: var(--primary);
      margin: 0 0 8px;
    }
    .news-item p {
      margin: 0;
      color: var(--text-2);
      font-size: 0.95rem;
      line-height: 1.7;
    }
    /* FAQ */
    .faq-list {
      max-width: 800px;
      margin: 0 auto;
      display: flex;
      flex-direction: column;
      gap: var(--spacing-md);
    }
    .faq-item {
      background: var(--card);
      border: 1px solid var(--border);
      border-radius: var(--radius);
      overflow: hidden;
    }
    .faq-question {
      padding: var(--spacing-md) var(--spacing-lg);
      font-weight: 600;
      color: var(--primary);
      cursor: pointer;
      background: var(--card-light);
      display: flex;
      justify-content: space-between;
      align-items: center;
      gap: 12px;
      transition: background 0.2s;
      position: relative;
      user-select: none;
    }
    .faq-question:hover {
      background: var(--bg-soft);
    }
    .faq-question::after {
      content: '+';
      font-size: 1.5rem;
      color: var(--text-2);
      transition: transform 0.2s;
    }
    .faq-item.open .faq-question::after {
      transform: rotate(45deg);
      color: var(--accent);
    }
    .faq-answer {
      padding: 0 var(--spacing-lg) var(--spacing-lg);
      color: var(--text-2);
      line-height: 1.7;
      display: none;
    }
    .faq-item.open .faq-answer {
      display: block;
    }
    /* CTA band */
    .cta-band {
      background: var(--primary);
      border-radius: var(--radius);
      padding: var(--spacing-xl);
      text-align: center;
      color: #fff;
    }
    .cta-band h2 {
      color: var(--accent);
      font-size: 1.6rem;
      margin-bottom: 12px;
      font-weight: 700;
    }
    .cta-band p {
      color: rgba(255, 255, 255, 0.85);
      max-width: 600px;
      margin: 0 auto var(--spacing-lg);
    }
    .cta-band .btn-group {
      display: flex;
      justify-content: center;
      gap: 12px;
      flex-wrap: wrap;
    }
    /* Footer */
    .site-footer {
      background: var(--primary);
      color: #fff;
      padding: var(--spacing-2xl) 0 var(--spacing-lg);
      margin-top: auto;
      border-radius: var(--radius) var(--radius) 0 0;
    }
    .footer-grid {
      display: grid;
      grid-template-columns: 2fr 1fr 1fr 1fr;
      gap: var(--spacing-xl);
      margin-bottom: var(--spacing-xl);
    }
    .footer-brand {
      font-size: 1.4rem;
      font-weight: 700;
      color: var(--accent);
      margin-bottom: 8px;
    }
    .footer-desc {
      color: rgba(255, 255, 255, 0.75);
      font-size: 0.9rem;
      max-width: 320px;
    }
    .footer-col h4 {
      color: var(--accent);
      font-size: 0.9rem;
      font-weight: 600;
      margin-bottom: 12px;
      text-transform: uppercase;
      letter-spacing: 0.05em;
    }
    .footer-col a {
      display: block;
      color: rgba(255, 255, 255, 0.8);
      margin-bottom: 8px;
      font-size: 0.9rem;
      transition: color 0.2s;
    }
    .footer-col a:hover {
      color: var(--accent);
      opacity: 1;
    }
    .footer-bottom {
      border-top: 1px solid rgba(255, 255, 255, 0.15);
      padding-top: var(--spacing-lg);
      display: flex;
      justify-content: space-between;
      flex-wrap: wrap;
      gap: 8px;
      font-size: 0.85rem;
      color: rgba(255, 255, 255, 0.7);
    }
    .footer-bottom a {
      color: var(--accent);
      text-decoration: none;
    }
    /* Responsive */
    @media (max-width: 1024px) {
      .nav-panel {
        flex-wrap: wrap;
      }
      .nav-links {
        order: 3;
        width: 100%;
        overflow-x: auto;
      }
      .nav-cta {
        margin-left: auto;
      }
      .footer-grid {
        grid-template-columns: 1fr 1fr;
      }
    }
    @media (max-width: 768px) {
      .nav-toggle {
        display: flex;
      }
      .nav-links {
        display: none;
        flex-direction: column;
        width: 100%;
        gap: 4px;
        padding-top: 8px;
      }
      .nav-links.open {
        display: flex;
      }
      .nav-link {
        width: 100%;
        justify-content: flex-start;
      }
      .nav-cta {
        display: none;
      }
      .section {
        padding: var(--spacing-xl) 0;
      }
      .page-header h1 {
        font-size: 1.7rem;
      }
      .team-grid {
        grid-template-columns: 1fr 1fr;
      }
      .player-list {
        grid-template-columns: 1fr;
      }
      .compare-panel {
        flex-direction: column;
        text-align: center;
      }
      .footer-grid {
        grid-template-columns: 1fr;
        gap: var(--spacing-lg);
      }
      .footer-bottom {
        flex-direction: column;
        text-align: center;
      }
    }
    @media (max-width: 520px) {
      .team-grid {
        grid-template-columns: 1fr;
      }
      .team-card img {
        height: 140px;
      }
      .filter-bar {
        flex-direction: column;
        align-items: flex-start;
      }
      .cta-band {
        padding: var(--spacing-lg);
      }
      .cta-band h2 {
        font-size: 1.3rem;
      }
    }

/* roulang page: category2 */
:root {
            --primary: #10251B;
            --primary-2: #1A3629;
            --accent: #B9F73E;
            --accent-strong: #C8F04B;
            --bg: #F4F4EF;
            --bg-soft: #F6F7F2;
            --card: #FFFFFF;
            --card-light: #FBFCF8;
            --border: #E5E7E0;
            --divider: #D9DCD2;
            --text: #14191A;
            --text-2: #5B6460;
            --text-3: #8A918C;
            --radius: 12px;
            --radius-sm: 8px;
            --radius-pill: 999px;
            --shadow: 0 8px 30px rgba(0, 0, 0, 0.06);
            --shadow-hover: 0 12px 36px rgba(0, 0, 0, 0.1);
            --font: 'PingFang SC', 'Source Han Sans SC', 'Noto Sans SC', 'Microsoft YaHei', 'Inter', 'Roboto', 'DIN', sans-serif;
            --spacing-sm: 8px;
            --spacing-md: 16px;
            --spacing-lg: 24px;
            --spacing-xl: 40px;
            --spacing-2xl: 64px;
            --spacing-3xl: 80px;
            --max-w: 1200px;
        }

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

        html {
            scroll-behavior: smooth;
            -webkit-font-smoothing: antialiased;
            -moz-osx-font-smoothing: grayscale;
        }

        body {
            margin: 0;
            font-family: var(--font);
            background-color: var(--bg);
            color: var(--text);
            line-height: 1.75;
            font-size: 16px;
            min-height: 100vh;
            display: flex;
            flex-direction: column;
        }

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

        a {
            color: inherit;
            text-decoration: none;
            transition: color 0.2s, background-color 0.2s, border-color 0.2s, opacity 0.2s, transform 0.2s, box-shadow 0.2s;
        }

        a:hover {
            opacity: 0.85;
        }

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

        button:focus-visible,
        a:focus-visible {
            outline: 3px solid var(--accent);
            outline-offset: 2px;
            border-radius: 4px;
        }

        .container {
            width: 100%;
            max-width: var(--max-w);
            margin: 0 auto;
            padding-left: var(--spacing-lg);
            padding-right: var(--spacing-lg);
        }

        /* Header / Navigation */
        .site-header {
            position: sticky;
            top: 0;
            z-index: 100;
            padding: 12px 0;
            background: rgba(244, 244, 239, 0.92);
            backdrop-filter: blur(12px);
            -webkit-backdrop-filter: blur(12px);
            border-bottom: 1px solid var(--border);
        }

        .nav-panel {
            display: flex;
            align-items: center;
            justify-content: space-between;
            gap: var(--spacing-md);
            background: var(--card);
            border: 1px solid var(--border);
            border-radius: var(--radius);
            padding: 10px 16px;
            box-shadow: var(--shadow);
            flex-wrap: nowrap;
        }

        .logo {
            display: flex;
            align-items: center;
            gap: 8px;
            font-weight: 700;
            font-size: 1.25rem;
            color: var(--primary);
            letter-spacing: 0.02em;
            white-space: nowrap;
            flex-shrink: 0;
        }

        .logo-icon {
            width: 32px;
            height: 32px;
            background: var(--primary);
            color: var(--accent);
            border-radius: var(--radius-sm);
            display: flex;
            align-items: center;
            justify-content: center;
            font-size: 1rem;
            font-weight: 800;
        }

        .nav-links {
            display: flex;
            align-items: center;
            gap: 6px;
            flex-wrap: nowrap;
            overflow-x: auto;
            scrollbar-width: none;
            -ms-overflow-style: none;
        }

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

        .nav-link {
            display: inline-flex;
            align-items: center;
            gap: 4px;
            padding: 8px 14px;
            border-radius: var(--radius-sm);
            font-size: 0.88rem;
            font-weight: 500;
            color: var(--text-2);
            white-space: nowrap;
            border: 1px solid transparent;
            transition: all 0.2s;
        }

        .nav-link:hover {
            background: var(--bg-soft);
            color: var(--primary);
            border-color: var(--border);
            opacity: 1;
        }

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

        .nav-cta {
            display: inline-flex;
            align-items: center;
            gap: 6px;
            background: var(--accent);
            color: var(--primary);
            font-weight: 700;
            padding: 8px 18px;
            border-radius: var(--radius-pill);
            font-size: 0.88rem;
            white-space: nowrap;
            flex-shrink: 0;
            transition: all 0.2s;
            border: 1px solid transparent;
        }

        .nav-cta:hover {
            background: var(--accent-strong);
            opacity: 1;
            transform: translateY(-1px);
            box-shadow: 0 6px 16px rgba(185, 247, 62, 0.3);
        }

        .nav-toggle {
            display: none;
            flex-direction: column;
            gap: 5px;
            background: var(--bg-soft);
            border: 1px solid var(--border);
            border-radius: var(--radius-sm);
            padding: 8px;
            flex-shrink: 0;
        }

        .nav-toggle span {
            display: block;
            width: 20px;
            height: 2px;
            background: var(--text);
            border-radius: 2px;
            transition: all 0.2s;
        }

        /* Compact page header */
        .page-header {
            background: var(--primary);
            color: #fff;
            padding: var(--spacing-xl) 0;
            border-bottom: 1px solid var(--primary-2);
        }

        .page-header .container {
            display: flex;
            flex-direction: column;
            gap: var(--spacing-sm);
        }

        .page-header h1 {
            margin: 0;
            font-size: 2.5rem;
            font-weight: 700;
            letter-spacing: 0.02em;
            color: var(--accent);
        }

        .page-header .header-desc {
            font-size: 1.05rem;
            color: #D9DCD2;
            max-width: 720px;
            line-height: 1.8;
        }

        .header-meta {
            display: flex;
            flex-wrap: wrap;
            gap: 12px 24px;
            font-size: 0.9rem;
            color: #C8D0CA;
            margin-top: 8px;
        }

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

        /* Main sections */
        main {
            flex: 1;
            width: 100%;
        }

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

        .section-head {
            margin-bottom: var(--spacing-lg);
        }

        .section-head h2 {
            margin: 0 0 4px;
            font-size: 1.75rem;
            font-weight: 700;
            color: var(--primary);
        }

        .section-head p {
            margin: 0;
            color: var(--text-2);
            font-size: 0.95rem;
        }

        /* Resource category chips */
        .resource-categories {
            background: var(--bg);
        }

        .category-chips {
            display: flex;
            flex-wrap: wrap;
            gap: 10px;
        }

        .category-chip {
            display: inline-flex;
            align-items: center;
            gap: 6px;
            background: var(--card);
            border: 1px solid var(--border);
            border-radius: var(--radius-pill);
            padding: 8px 18px;
            font-size: 0.9rem;
            font-weight: 500;
            color: var(--text-2);
            transition: all 0.2s;
            cursor: default;
        }

        .category-chip:hover {
            border-color: var(--accent);
            color: var(--primary);
            background: var(--card-light);
            box-shadow: var(--shadow);
        }

        .category-chip .chip-icon {
            font-size: 1rem;
        }

        /* Resource grid */
        .resource-list {
            background: var(--bg-soft);
        }

        .resource-grid {
            display: grid;
            grid-template-columns: repeat(3, 1fr);
            gap: var(--spacing-lg);
        }

        .resource-card {
            background: var(--card);
            border: 1px solid var(--border);
            border-radius: var(--radius);
            box-shadow: var(--shadow);
            overflow: hidden;
            display: flex;
            flex-direction: column;
            transition: transform 0.2s, box-shadow 0.2s;
        }

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

        .resource-thumb {
            aspect-ratio: 16 / 9;
            overflow: hidden;
            background: var(--bg-soft);
            position: relative;
        }

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

        .resource-card:hover .resource-thumb img {
            transform: scale(1.03);
        }

        .resource-badge {
            position: absolute;
            top: 12px;
            left: 12px;
            background: var(--accent);
            color: var(--primary);
            font-size: 0.75rem;
            font-weight: 700;
            padding: 4px 10px;
            border-radius: var(--radius-pill);
            letter-spacing: 0.02em;
        }

        .resource-body {
            padding: 16px 18px 20px;
            display: flex;
            flex-direction: column;
            flex: 1;
            gap: 10px;
        }

        .resource-body h3 {
            margin: 0;
            font-size: 1.1rem;
            font-weight: 700;
            color: var(--primary);
            line-height: 1.4;
        }

        .resource-desc {
            margin: 0;
            font-size: 0.9rem;
            color: var(--text-2);
            line-height: 1.7;
            flex: 1;
        }

        .resource-footer {
            display: flex;
            align-items: center;
            justify-content: space-between;
            margin-top: 6px;
        }

        .resource-tag {
            font-size: 0.78rem;
            color: var(--text-3);
            background: var(--bg-soft);
            padding: 4px 10px;
            border-radius: var(--radius-sm);
        }

        .resource-link {
            display: inline-flex;
            align-items: center;
            gap: 4px;
            font-size: 0.85rem;
            font-weight: 600;
            color: var(--primary);
            border: 1px solid var(--border);
            border-radius: var(--radius-pill);
            padding: 6px 14px;
            transition: all 0.2s;
        }

        .resource-link:hover {
            background: var(--primary);
            color: var(--accent);
            border-color: var(--primary);
            opacity: 1;
        }

        /* Data interface */
        .data-interface {
            background: var(--card-light);
        }

        .data-interface-grid {
            display: grid;
            grid-template-columns: 1fr 1fr;
            gap: var(--spacing-xl);
            align-items: start;
        }

        .interface-info h3 {
            margin: 0 0 12px;
            font-size: 1.4rem;
            font-weight: 700;
            color: var(--primary);
        }

        .interface-info p {
            margin: 0 0 12px;
            color: var(--text-2);
            line-height: 1.8;
        }

        .interface-points {
            list-style: none;
            padding: 0;
            margin: 0;
            display: flex;
            flex-direction: column;
            gap: 8px;
        }

        .interface-points li {
            padding-left: 24px;
            position: relative;
            color: var(--text-2);
            font-size: 0.95rem;
            line-height: 1.7;
        }

        .interface-points li::before {
            content: '⚡';
            position: absolute;
            left: 0;
            top: 1px;
            color: var(--accent);
            font-size: 0.95rem;
        }

        .interface-table {
            background: var(--card);
            border: 1px solid var(--border);
            border-radius: var(--radius);
            padding: 20px;
            box-shadow: var(--shadow);
        }

        .interface-table h4 {
            margin: 0 0 12px;
            font-size: 1rem;
            font-weight: 700;
            color: var(--primary);
        }

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

        .field-list li {
            display: flex;
            align-items: center;
            justify-content: space-between;
            padding: 8px 12px;
            background: var(--bg-soft);
            border-radius: var(--radius-sm);
            font-size: 0.88rem;
            color: var(--text-2);
        }

        .field-list li span:first-child {
            font-weight: 600;
            color: var(--text);
        }

        /* Popular resources */
        .popular-resources {
            background: var(--bg);
        }

        .popular-grid {
            display: grid;
            grid-template-columns: repeat(4, 1fr);
            gap: var(--spacing-md);
        }

        .popular-card {
            background: var(--card);
            border: 1px solid var(--border);
            border-radius: var(--radius);
            padding: 16px;
            box-shadow: var(--shadow);
            transition: transform 0.2s, box-shadow 0.2s;
        }

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

        .popular-card h3 {
            margin: 0 0 6px;
            font-size: 1rem;
            font-weight: 700;
            color: var(--primary);
        }

        .popular-card p {
            margin: 0 0 10px;
            font-size: 0.85rem;
            color: var(--text-2);
            line-height: 1.6;
        }

        .popular-card .popular-link {
            font-size: 0.82rem;
            font-weight: 600;
            color: var(--primary);
            border-bottom: 1px solid var(--accent);
            padding-bottom: 2px;
        }

        .popular-card .popular-link:hover {
            color: var(--primary);
            opacity: 0.7;
        }

        /* Usage guide */
        .usage-guide {
            background: var(--primary);
            color: #fff;
        }

        .usage-guide .section-head h2 {
            color: #fff;
        }

        .usage-guide .section-head p {
            color: #C8D0CA;
        }

        .steps-grid {
            display: grid;
            grid-template-columns: repeat(4, 1fr);
            gap: var(--spacing-md);
        }

        .step-card {
            background: rgba(255, 255, 255, 0.06);
            border: 1px solid rgba(255, 255, 255, 0.12);
            border-radius: var(--radius);
            padding: 20px;
            transition: background 0.2s, border-color 0.2s;
        }

        .step-card:hover {
            background: rgba(255, 255, 255, 0.1);
            border-color: var(--accent);
        }

        .step-number {
            display: inline-flex;
            align-items: center;
            justify-content: center;
            width: 32px;
            height: 32px;
            background: var(--accent);
            color: var(--primary);
            font-weight: 700;
            border-radius: 50%;
            margin-bottom: 12px;
        }

        .step-card h3 {
            margin: 0 0 8px;
            font-size: 1rem;
            font-weight: 700;
            color: var(--accent);
        }

        .step-card p {
            margin: 0;
            font-size: 0.88rem;
            color: #D9DCD2;
            line-height: 1.7;
        }

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

        .faq-list {
            display: flex;
            flex-direction: column;
            gap: 12px;
            max-width: 860px;
        }

        .faq-item {
            background: var(--card);
            border: 1px solid var(--border);
            border-radius: var(--radius);
            overflow: hidden;
            transition: box-shadow 0.2s;
        }

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

        .faq-question {
            width: 100%;
            display: flex;
            align-items: center;
            justify-content: space-between;
            text-align: left;
            padding: 16px 20px;
            font-size: 1rem;
            font-weight: 600;
            color: var(--primary);
            background: transparent;
            cursor: pointer;
            transition: background 0.2s;
        }

        .faq-question:hover {
            background: var(--bg-soft);
        }

        .faq-toggle {
            font-size: 1.2rem;
            color: var(--accent);
            transition: transform 0.2s;
        }

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

        .faq-answer {
            max-height: 0;
            overflow: hidden;
            transition: max-height 0.3s ease, padding 0.3s ease;
            padding: 0 20px;
            color: var(--text-2);
            font-size: 0.95rem;
            line-height: 1.8;
        }

        .faq-item.open .faq-answer {
            max-height: 300px;
            padding: 0 20px 18px;
        }

        /* CTA */
        .cta-panel {
            background: var(--card-light);
        }

        .cta-box {
            background: var(--primary);
            border-radius: var(--radius);
            padding: var(--spacing-xl);
            display: flex;
            align-items: center;
            justify-content: space-between;
            flex-wrap: wrap;
            gap: 20px;
            box-shadow: var(--shadow-hover);
        }

        .cta-box h2 {
            margin: 0 0 8px;
            font-size: 1.6rem;
            font-weight: 700;
            color: #fff;
        }

        .cta-box p {
            margin: 0;
            color: #D9DCD2;
            font-size: 0.95rem;
        }

        .cta-btn {
            display: inline-flex;
            align-items: center;
            gap: 8px;
            background: var(--accent);
            color: var(--primary);
            font-weight: 700;
            padding: 12px 28px;
            border-radius: var(--radius-pill);
            font-size: 1rem;
            white-space: nowrap;
            transition: all 0.2s;
            border: 1px solid transparent;
        }

        .cta-btn:hover {
            background: var(--accent-strong);
            opacity: 1;
            transform: translateY(-2px);
            box-shadow: 0 10px 24px rgba(185, 247, 62, 0.35);
        }

        /* Footer */
        .site-footer {
            background: var(--primary);
            color: #D9DCD2;
            padding: var(--spacing-xl) 0 var(--spacing-md);
            margin-top: 0;
        }

        .footer-grid {
            display: grid;
            grid-template-columns: 2fr 1fr 1fr 1fr;
            gap: var(--spacing-xl);
            margin-bottom: var(--spacing-xl);
        }

        .footer-brand {
            font-size: 1.2rem;
            font-weight: 700;
            color: #fff;
            margin: 0 0 10px;
        }

        .footer-desc {
            font-size: 0.88rem;
            color: #C8D0CA;
            line-height: 1.7;
            max-width: 360px;
        }

        .footer-col h4 {
            margin: 0 0 12px;
            font-size: 0.95rem;
            font-weight: 700;
            color: #fff;
        }

        .footer-col a {
            display: block;
            color: #C8D0CA;
            font-size: 0.88rem;
            margin-bottom: 8px;
            transition: color 0.2s;
        }

        .footer-col a:hover {
            color: var(--accent);
            opacity: 1;
        }

        .footer-bottom {
            border-top: 1px solid rgba(255, 255, 255, 0.1);
            padding-top: var(--spacing-md);
            display: flex;
            flex-wrap: wrap;
            justify-content: space-between;
            gap: 12px;
            font-size: 0.8rem;
            color: #8A918C;
        }

        .footer-bottom a {
            color: #C8D0CA;
            text-decoration: none;
        }

        .footer-bottom a:hover {
            color: var(--accent);
            opacity: 1;
        }

        /* Responsive */
        @media (max-width: 1024px) {
            .resource-grid {
                grid-template-columns: repeat(2, 1fr);
            }
            .popular-grid {
                grid-template-columns: repeat(2, 1fr);
            }
            .steps-grid {
                grid-template-columns: repeat(2, 1fr);
            }
            .data-interface-grid {
                grid-template-columns: 1fr;
            }
            .footer-grid {
                grid-template-columns: 2fr 1fr 1fr;
            }
        }

        @media (max-width: 768px) {
            .nav-toggle {
                display: flex;
            }
            .nav-links {
                display: none;
                position: absolute;
                top: calc(100% + 8px);
                left: 16px;
                right: 16px;
                background: var(--card);
                border: 1px solid var(--border);
                border-radius: var(--radius);
                box-shadow: var(--shadow-hover);
                padding: 8px;
                flex-direction: column;
                align-items: stretch;
                overflow: visible;
            }
            .nav-links.open {
                display: flex;
            }
            .nav-panel {
                position: relative;
            }
            .nav-link {
                padding: 12px 16px;
                border-radius: var(--radius-sm);
                width: 100%;
            }
            .nav-cta {
                display: none;
            }
            .page-header h1 {
                font-size: 2rem;
            }
            .resource-grid {
                grid-template-columns: 1fr;
            }
            .popular-grid {
                grid-template-columns: 1fr;
            }
            .steps-grid {
                grid-template-columns: 1fr;
            }
            .cta-box {
                flex-direction: column;
                align-items: flex-start;
            }
            .footer-grid {
                grid-template-columns: 1fr;
                gap: var(--spacing-lg);
            }
            section {
                padding: var(--spacing-lg) 0;
            }
            .container {
                padding-left: var(--spacing-md);
                padding-right: var(--spacing-md);
            }
        }

        @media (max-width: 520px) {
            .page-header h1 {
                font-size: 1.7rem;
            }
            .page-header .header-desc {
                font-size: 0.95rem;
            }
            .header-meta {
                flex-direction: column;
                gap: 6px;
            }
            .resource-body h3 {
                font-size: 1rem;
            }
            .cta-box h2 {
                font-size: 1.3rem;
            }
        }

/* roulang page: category1 */
:root {
            --primary: #10251B;
            --primary-2: #1A3629;
            --accent: #B9F73E;
            --accent-strong: #C8F04B;
            --bg: #F4F4EF;
            --bg-soft: #F6F7F2;
            --card: #FFFFFF;
            --card-light: #FBFCF8;
            --border: #E5E7E0;
            --divider: #D9DCD2;
            --text: #14191A;
            --text-2: #5B6460;
            --text-3: #8A918C;
            --radius: 12px;
            --radius-sm: 8px;
            --radius-pill: 999px;
            --shadow: 0 8px 30px rgba(0, 0, 0, 0.06);
            --shadow-hover: 0 12px 36px rgba(0, 0, 0, 0.1);
            --font: 'PingFang SC', 'Source Han Sans SC', 'Noto Sans SC', 'Microsoft YaHei', 'Inter', 'Roboto', 'DIN', sans-serif;
            --spacing-sm: 8px;
            --spacing-md: 16px;
            --spacing-lg: 24px;
            --spacing-xl: 40px;
            --spacing-2xl: 64px;
            --spacing-3xl: 80px;
            --max-w: 1200px;
        }

        html {
            scroll-behavior: smooth;
            -webkit-font-smoothing: antialiased;
            -moz-osx-font-smoothing: grayscale;
        }

        body {
            font-family: var(--font);
            background-color: var(--bg);
            color: var(--text);
            line-height: 1.75;
            font-size: 16px;
            min-height: 100vh;
            display: flex;
            flex-direction: column;
            margin: 0;
        }

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

        a {
            color: inherit;
            text-decoration: none;
            transition: color 0.2s, background-color 0.2s, border-color 0.2s, opacity 0.2s;
        }

        a:hover {
            opacity: 0.85;
        }

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

        button:focus-visible,
        a:focus-visible {
            outline: 3px solid var(--accent);
            outline-offset: 2px;
            border-radius: 4px;
        }

        .container {
            width: 100%;
            max-width: var(--max-w);
            margin: 0 auto;
            padding-left: var(--spacing-lg);
            padding-right: var(--spacing-lg);
        }

        /* Header / Navigation */
        .site-header {
            position: sticky;
            top: 0;
            z-index: 100;
            padding: 12px 0;
            background: rgba(244, 244, 239, 0.92);
            backdrop-filter: blur(12px);
            -webkit-backdrop-filter: blur(12px);
            border-bottom: 1px solid var(--border);
        }

        .nav-panel {
            display: flex;
            align-items: center;
            justify-content: space-between;
            gap: var(--spacing-md);
            background: var(--card);
            border: 1px solid var(--border);
            border-radius: var(--radius);
            padding: 10px 16px;
            box-shadow: var(--shadow);
            flex-wrap: nowrap;
        }

        .logo {
            display: flex;
            align-items: center;
            gap: 8px;
            font-weight: 700;
            font-size: 1.25rem;
            color: var(--primary);
            letter-spacing: 0.02em;
            white-space: nowrap;
            flex-shrink: 0;
        }

        .logo-icon {
            width: 32px;
            height: 32px;
            background: var(--primary);
            color: var(--accent);
            border-radius: var(--radius-sm);
            display: flex;
            align-items: center;
            justify-content: center;
            font-size: 1rem;
            font-weight: 800;
        }

        .nav-links {
            display: flex;
            align-items: center;
            gap: 6px;
            flex-wrap: nowrap;
            overflow-x: auto;
            scrollbar-width: none;
            -ms-overflow-style: none;
        }

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

        .nav-link {
            display: inline-flex;
            align-items: center;
            gap: 4px;
            padding: 8px 14px;
            border-radius: var(--radius-sm);
            font-size: 0.88rem;
            font-weight: 500;
            color: var(--text-2);
            white-space: nowrap;
            border: 1px solid transparent;
            transition: all 0.2s;
        }

        .nav-link:hover {
            background: var(--bg-soft);
            color: var(--primary);
            border-color: var(--border);
            opacity: 1;
        }

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

        .nav-cta {
            display: inline-flex;
            align-items: center;
            gap: 6px;
            background: var(--accent);
            color: var(--primary);
            font-weight: 700;
            padding: 8px 18px;
            border-radius: var(--radius-pill);
            font-size: 0.88rem;
            white-space: nowrap;
            flex-shrink: 0;
            transition: all 0.2s;
            border: 1px solid transparent;
        }

        .nav-cta:hover {
            background: var(--accent-strong);
            opacity: 1;
            transform: translateY(-1px);
            box-shadow: 0 6px 16px rgba(185, 247, 62, 0.3);
        }

        .nav-toggle {
            display: none;
            flex-direction: column;
            gap: 5px;
            background: var(--bg-soft);
            border: 1px solid var(--border);
            border-radius: var(--radius-sm);
            padding: 8px;
            flex-shrink: 0;
        }

        .nav-toggle span {
            display: block;
            width: 20px;
            height: 2px;
            background: var(--text);
            border-radius: 2px;
            transition: all 0.2s;
        }

        /* Page Header */
        .page-header {
            background: var(--primary);
            color: #ffffff;
            padding: var(--spacing-2xl) 0 var(--spacing-xl);
            border-bottom: 1px solid var(--border);
        }

        .page-header-inner {
            display: flex;
            flex-direction: column;
            gap: var(--spacing-md);
        }

        .page-header h1 {
            font-size: 2.25rem;
            font-weight: 700;
            line-height: 1.3;
            margin: 0;
            color: var(--accent);
        }

        .page-header .subtitle {
            font-size: 1.05rem;
            color: rgba(255, 255, 255, 0.85);
            line-height: 1.7;
            max-width: 720px;
            margin: 0;
        }

        .page-header .stat-summary {
            display: flex;
            flex-wrap: wrap;
            gap: var(--spacing-md);
            margin-top: var(--spacing-sm);
        }

        .stat-summary .stat-item {
            background: rgba(255, 255, 255, 0.08);
            border: 1px solid rgba(255, 255, 255, 0.15);
            border-radius: var(--radius-sm);
            padding: 6px 14px;
            font-size: 0.85rem;
            color: rgba(255, 255, 255, 0.9);
            display: inline-flex;
            align-items: center;
            gap: 6px;
        }

        .stat-summary .stat-item strong {
            color: var(--accent);
            font-weight: 700;
        }

        /* Section Base */
        .section {
            padding: var(--spacing-2xl) 0;
        }

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

        .section-header {
            display: flex;
            flex-wrap: wrap;
            align-items: flex-end;
            justify-content: space-between;
            gap: var(--spacing-md);
            margin-bottom: var(--spacing-xl);
        }

        .section-title {
            font-size: 1.75rem;
            font-weight: 700;
            letter-spacing: 0.01em;
            margin: 0;
            color: var(--text);
        }

        .section-desc {
            font-size: 0.95rem;
            color: var(--text-2);
            margin: var(--spacing-sm) 0 0;
            max-width: 680px;
        }

        /* Category Panel */
        .category-panel-grid {
            display: grid;
            grid-template-columns: repeat(5, 1fr);
            gap: var(--spacing-md);
        }

        .category-panel-card {
            background: var(--card);
            border: 1px solid var(--border);
            border-radius: var(--radius);
            box-shadow: var(--shadow);
            padding: var(--spacing-lg);
            display: flex;
            flex-direction: column;
            align-items: flex-start;
            gap: var(--spacing-sm);
            transition: all 0.25s;
        }

        .category-panel-card:hover {
            transform: translateY(-4px);
            box-shadow: var(--shadow-hover);
            border-color: var(--divider);
            opacity: 1;
        }

        .category-panel-icon {
            width: 40px;
            height: 40px;
            background: var(--primary);
            color: var(--accent);
            border-radius: var(--radius-sm);
            display: flex;
            align-items: center;
            justify-content: center;
            font-size: 1.25rem;
            font-weight: 700;
            flex-shrink: 0;
        }

        .category-panel-card h3 {
            margin: 0;
            font-size: 1rem;
            font-weight: 700;
            color: var(--text);
        }

        .category-panel-card p {
            margin: 0;
            font-size: 0.85rem;
            color: var(--text-2);
            line-height: 1.6;
        }

        /* Live Score List */
        .score-list {
            display: flex;
            flex-direction: column;
            gap: var(--spacing-md);
        }

        .score-card {
            background: var(--card);
            border: 1px solid var(--border);
            border-radius: var(--radius);
            box-shadow: var(--shadow);
            padding: var(--spacing-lg);
            display: flex;
            flex-wrap: wrap;
            align-items: center;
            gap: var(--spacing-md);
            transition: all 0.25s;
        }

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

        .score-league {
            min-width: 100px;
            display: flex;
            flex-direction: column;
            align-items: flex-start;
            gap: 4px;
        }

        .score-league .league-name {
            font-size: 0.75rem;
            color: var(--text-3);
            text-transform: uppercase;
            letter-spacing: 0.05em;
        }

        .score-status {
            font-size: 0.75rem;
            font-weight: 600;
            padding: 2px 8px;
            border-radius: var(--radius-pill);
            background: var(--bg-soft);
            color: var(--text-2);
            white-space: nowrap;
        }

        .score-status.live {
            background: var(--accent);
            color: var(--primary);
        }

        .score-status.upcoming {
            background: #E9ECF0;
            color: #4A5551;
        }

        .score-status.finished {
            background: #E5E7E0;
            color: #6A716C;
        }

        .score-matchup {
            flex: 1;
            min-width: 220px;
            display: flex;
            align-items: center;
            justify-content: center;
            gap: var(--spacing-md);
            font-weight: 700;
            font-size: 1rem;
        }

        .score-team {
            text-align: center;
            flex: 1;
        }

        .score-team .team-name {
            display: block;
            font-weight: 700;
        }

        .score-vs {
            display: flex;
            flex-direction: column;
            align-items: center;
            gap: 4px;
        }

        .score-vs .main-score {
            font-size: 1.5rem;
            font-weight: 800;
            color: var(--primary);
            line-height: 1;
            white-space: nowrap;
        }

        .score-vs .half-score {
            font-size: 0.78rem;
            color: var(--text-3);
            white-space: nowrap;
        }

        .score-meta {
            min-width: 120px;
            display: flex;
            flex-direction: column;
            align-items: flex-end;
            gap: 4px;
        }

        .score-meta .match-time {
            font-size: 0.85rem;
            color: var(--text-2);
            font-weight: 600;
        }

        .score-meta .match-minute {
            font-size: 0.78rem;
            color: var(--text-3);
        }

        .score-list-more {
            margin-top: var(--spacing-xl);
            text-align: center;
        }

        /* Schedule */
        .schedule-scroll {
            display: flex;
            gap: var(--spacing-md);
            overflow-x: auto;
            padding-bottom: var(--spacing-sm);
            scrollbar-width: thin;
            scrollbar-color: var(--divider) transparent;
        }

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

        .schedule-scroll::-webkit-scrollbar-thumb {
            background: var(--divider);
            border-radius: 999px;
        }

        .schedule-card {
            background: var(--card);
            border: 1px solid var(--border);
            border-radius: var(--radius);
            box-shadow: var(--shadow);
            padding: var(--spacing-md) var(--spacing-lg);
            min-width: 220px;
            display: flex;
            flex-direction: column;
            gap: 6px;
            flex-shrink: 0;
            transition: all 0.25s;
        }

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

        .schedule-card .schedule-date {
            font-size: 0.78rem;
            color: var(--text-3);
            font-weight: 600;
        }

        .schedule-card .schedule-league {
            font-size: 0.8rem;
            color: var(--text-2);
        }

        .schedule-card .schedule-teams {
            font-weight: 700;
            font-size: 0.95rem;
        }

        .schedule-card .schedule-kickoff {
            font-size: 0.8rem;
            color: var(--primary);
            font-weight: 700;
        }

        /* League Filter */
        .filter-tags {
            display: flex;
            flex-wrap: wrap;
            gap: var(--spacing-sm);
        }

        .filter-tag {
            display: inline-flex;
            align-items: center;
            gap: 6px;
            padding: 8px 16px;
            border-radius: var(--radius-pill);
            background: var(--card);
            border: 1px solid var(--border);
            color: var(--text-2);
            font-size: 0.85rem;
            font-weight: 500;
            transition: all 0.2s;
        }

        .filter-tag:hover {
            border-color: var(--divider);
            color: var(--primary);
            background: var(--bg-soft);
            opacity: 1;
        }

        .filter-tag.active {
            background: var(--primary);
            color: var(--accent);
            border-color: var(--primary);
            font-weight: 600;
        }

        /* Data Note */
        .data-note-grid {
            display: grid;
            grid-template-columns: 1fr 1fr;
            gap: var(--spacing-xl);
            align-items: center;
        }

        .data-note-visual {
            border-radius: var(--radius);
            overflow: hidden;
            box-shadow: var(--shadow);
            border: 1px solid var(--border);
        }

        .data-note-visual img {
            width: 100%;
            height: 260px;
            object-fit: cover;
        }

        .data-note-content {
            display: flex;
            flex-direction: column;
            gap: var(--spacing-md);
        }

        .data-note-content h3 {
            font-size: 1.35rem;
            font-weight: 700;
            margin: 0;
        }

        .data-note-content p {
            margin: 0;
            color: var(--text-2);
            font-size: 0.95rem;
            line-height: 1.8;
        }

        .data-note-content ul {
            list-style: none;
            padding: 0;
            margin: 0;
            display: flex;
            flex-direction: column;
            gap: var(--spacing-sm);
        }

        .data-note-content ul li {
            padding-left: 20px;
            position: relative;
            color: var(--text-2);
            font-size: 0.9rem;
        }

        .data-note-content ul li::before {
            content: "●";
            position: absolute;
            left: 0;
            top: 0;
            color: var(--accent);
            font-size: 0.75rem;
        }

        /* CTA Panel */
        .cta-panel {
            background: var(--primary);
            border-radius: var(--radius);
            padding: var(--spacing-xl);
            display: flex;
            flex-wrap: wrap;
            align-items: center;
            gap: var(--spacing-lg);
            color: #ffffff;
            box-shadow: var(--shadow);
        }

        .cta-panel-info {
            flex: 1;
            min-width: 260px;
        }

        .cta-panel-info h3 {
            font-size: 1.5rem;
            font-weight: 700;
            margin: 0 0 var(--spacing-sm);
            color: var(--accent);
        }

        .cta-panel-info p {
            margin: 0;
            color: rgba(255, 255, 255, 0.85);
            font-size: 0.95rem;
            line-height: 1.7;
        }

        .cta-form {
            display: flex;
            flex-wrap: wrap;
            gap: var(--spacing-sm);
            flex: 1;
            min-width: 260px;
            justify-content: flex-end;
        }

        .cta-form input[type="email"] {
            flex: 1 1 200px;
            padding: 10px 18px;
            border-radius: var(--radius-pill);
            border: 1px solid rgba(255, 255, 255, 0.25);
            background: rgba(255, 255, 255, 0.1);
            color: #ffffff;
            font-size: 0.9rem;
            outline: none;
            transition: border-color 0.2s, background 0.2s;
        }

        .cta-form input[type="email"]::placeholder {
            color: rgba(255, 255, 255, 0.5);
        }

        .cta-form input[type="email"]:focus {
            border-color: var(--accent);
            background: rgba(255, 255, 255, 0.18);
        }

        .cta-form button {
            background: var(--accent);
            color: var(--primary);
            font-weight: 700;
            padding: 10px 24px;
            border-radius: var(--radius-pill);
            font-size: 0.9rem;
            transition: all 0.2s;
            border: 1px solid transparent;
        }

        .cta-form button:hover {
            background: var(--accent-strong);
            transform: translateY(-1px);
            box-shadow: 0 6px 16px rgba(185, 247, 62, 0.3);
        }

        /* Footer */
        .site-footer {
            background: var(--primary);
            color: rgba(255, 255, 255, 0.8);
            padding: var(--spacing-2xl) 0 var(--spacing-lg);
            margin-top: auto;
            border-top: 1px solid var(--border);
        }

        .footer-grid {
            display: grid;
            grid-template-columns: 2fr 1fr 1fr 1fr;
            gap: var(--spacing-xl);
            margin-bottom: var(--spacing-xl);
        }

        .footer-brand {
            font-size: 1.25rem;
            font-weight: 700;
            color: var(--accent);
            margin: 0 0 var(--spacing-sm);
        }

        .footer-desc {
            font-size: 0.9rem;
            line-height: 1.7;
            margin: 0;
            color: rgba(255, 255, 255, 0.7);
            max-width: 340px;
        }

        .footer-col h4 {
            font-size: 0.9rem;
            font-weight: 600;
            color: #ffffff;
            margin: 0 0 var(--spacing-md);
            letter-spacing: 0.02em;
        }

        .footer-col a {
            display: block;
            font-size: 0.85rem;
            color: rgba(255, 255, 255, 0.7);
            margin-bottom: 10px;
            transition: color 0.2s;
        }

        .footer-col a:hover {
            color: var(--accent);
            opacity: 1;
        }

        .footer-bottom {
            display: flex;
            flex-wrap: wrap;
            gap: var(--spacing-md);
            justify-content: space-between;
            align-items: center;
            border-top: 1px solid rgba(255, 255, 255, 0.15);
            padding-top: var(--spacing-lg);
            font-size: 0.8rem;
            color: rgba(255, 255, 255, 0.6);
        }

        .footer-bottom a {
            color: rgba(255, 255, 255, 0.7);
            text-decoration: underline;
        }

        .footer-bottom a:hover {
            color: var(--accent);
            opacity: 1;
        }

        /* Responsive */
        @media (max-width: 1024px) {
            .category-panel-grid {
                grid-template-columns: repeat(3, 1fr);
            }

            .data-note-grid {
                grid-template-columns: 1fr;
                gap: var(--spacing-lg);
            }

            .footer-grid {
                grid-template-columns: 1fr 1fr;
                gap: var(--spacing-lg);
            }
        }

        @media (max-width: 768px) {
            .nav-toggle {
                display: flex;
            }

            .nav-links {
                display: none;
                position: absolute;
                top: 100%;
                left: 16px;
                right: 16px;
                background: var(--card);
                border: 1px solid var(--border);
                border-radius: var(--radius);
                box-shadow: var(--shadow-hover);
                padding: var(--spacing-sm);
                flex-direction: column;
                align-items: stretch;
                gap: 4px;
                z-index: 99;
            }

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

            .nav-link {
                justify-content: center;
                width: 100%;
            }

            .nav-cta {
                display: none;
            }

            .page-header h1 {
                font-size: 1.85rem;
            }

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

            .section-header {
                flex-direction: column;
                align-items: flex-start;
            }

            .score-card {
                flex-direction: column;
                align-items: stretch;
            }

            .score-league,
            .score-meta {
                align-items: flex-start;
            }

            .score-matchup {
                justify-content: flex-start;
                flex-wrap: wrap;
            }

            .cta-panel {
                flex-direction: column;
                align-items: stretch;
            }

            .cta-form {
                justify-content: flex-start;
            }
        }

        @media (max-width: 520px) {
            .container {
                padding-left: var(--spacing-md);
                padding-right: var(--spacing-md);
            }

            .category-panel-grid {
                grid-template-columns: 1fr 1fr;
            }

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

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

            .schedule-card {
                min-width: 180px;
            }
        }

/* roulang page: category4 */
:root {
            --primary: #10251B;
            --primary-2: #1A3629;
            --accent: #B9F73E;
            --accent-strong: #C8F04B;
            --bg: #F4F4EF;
            --bg-soft: #F6F7F2;
            --card: #FFFFFF;
            --card-light: #FBFCF8;
            --border: #E5E7E0;
            --divider: #D9DCD2;
            --text: #14191A;
            --text-2: #5B6460;
            --text-3: #8A918C;
            --radius: 12px;
            --radius-sm: 8px;
            --radius-pill: 999px;
            --shadow: 0 8px 30px rgba(0, 0, 0, 0.06);
            --shadow-hover: 0 12px 36px rgba(0, 0, 0, 0.1);
            --font: 'PingFang SC', 'Source Han Sans SC', 'Noto Sans SC', 'Microsoft YaHei', 'Inter', 'Roboto', 'DIN', sans-serif;
            --spacing-sm: 8px;
            --spacing-md: 16px;
            --spacing-lg: 24px;
            --spacing-xl: 40px;
            --spacing-2xl: 64px;
            --spacing-3xl: 80px;
            --max-w: 1200px;
        }
        html {
            scroll-behavior: smooth;
            -webkit-font-smoothing: antialiased;
            -moz-osx-font-smoothing: grayscale;
        }
        body {
            font-family: var(--font);
            background-color: var(--bg);
            color: var(--text);
            line-height: 1.75;
            font-size: 16px;
            min-height: 100vh;
            display: flex;
            flex-direction: column;
            margin: 0;
            padding: 0;
        }
        img {
            max-width: 100%;
            height: auto;
            display: block;
        }
        a {
            color: inherit;
            text-decoration: none;
            transition: color 0.2s, background-color 0.2s, border-color 0.2s, opacity 0.2s;
        }
        a:hover {
            opacity: 0.85;
        }
        button {
            font-family: inherit;
            cursor: pointer;
            border: none;
            background: none;
            font-size: inherit;
        }
        button:focus-visible,
        a:focus-visible {
            outline: 3px solid var(--accent);
            outline-offset: 2px;
            border-radius: 4px;
        }
        .container {
            width: 100%;
            max-width: var(--max-w);
            margin: 0 auto;
            padding-left: var(--spacing-lg);
            padding-right: var(--spacing-lg);
            box-sizing: border-box;
        }
        .section {
            padding: var(--spacing-2xl) 0;
            box-sizing: border-box;
        }
        .section-alt {
            background: var(--bg-soft);
            border-top: 1px solid var(--border);
            border-bottom: 1px solid var(--border);
        }
        .section-dark {
            background: var(--primary);
            color: #fff;
        }
        .section-label {
            display: inline-block;
            font-size: 0.78rem;
            font-weight: 600;
            letter-spacing: 0.08em;
            text-transform: uppercase;
            color: var(--text-3);
            margin-bottom: var(--spacing-sm);
        }
        .section-title {
            font-size: 1.75rem;
            font-weight: 700;
            color: var(--text);
            margin: 0 0 var(--spacing-md);
            line-height: 1.3;
        }
        .section-desc {
            font-size: 1rem;
            color: var(--text-2);
            margin: 0 0 var(--spacing-lg);
            max-width: 720px;
            line-height: 1.85;
        }
        .btn {
            display: inline-flex;
            align-items: center;
            gap: 8px;
            font-weight: 600;
            font-size: 0.9rem;
            padding: 10px 22px;
            border-radius: var(--radius-pill);
            transition: all 0.25s;
            border: 1px solid transparent;
            white-space: nowrap;
        }
        .btn-primary {
            background: var(--accent);
            color: var(--primary);
        }
        .btn-primary:hover {
            background: var(--accent-strong);
            transform: translateY(-2px);
            box-shadow: 0 8px 20px rgba(185, 247, 62, 0.35);
            opacity: 1;
        }
        .btn-outline {
            background: transparent;
            color: var(--text);
            border-color: var(--border);
        }
        .btn-outline:hover {
            background: var(--bg-soft);
            border-color: var(--text-3);
            opacity: 1;
        }
        .btn-sm {
            font-size: 0.8rem;
            padding: 7px 16px;
        }
        .badge {
            display: inline-block;
            font-size: 0.72rem;
            font-weight: 600;
            padding: 4px 12px;
            border-radius: var(--radius-pill);
            background: var(--bg-soft);
            color: var(--text-2);
            border: 1px solid var(--border);
            letter-spacing: 0.02em;
        }
        .badge-accent {
            background: var(--accent);
            color: var(--primary);
            border-color: transparent;
        }
        .tag {
            display: inline-block;
            font-size: 0.78rem;
            font-weight: 500;
            padding: 6px 14px;
            border-radius: var(--radius-pill);
            background: var(--card);
            color: var(--text-2);
            border: 1px solid var(--border);
            transition: all 0.2s;
        }
        .tag:hover {
            background: var(--primary);
            color: var(--accent);
            border-color: var(--primary);
            opacity: 1;
        }

        /* Header / Navigation */
        .site-header {
            position: sticky;
            top: 0;
            z-index: 100;
            padding: 12px 0;
            background: rgba(244, 244, 239, 0.92);
            backdrop-filter: blur(12px);
            -webkit-backdrop-filter: blur(12px);
            border-bottom: 1px solid var(--border);
        }
        .nav-panel {
            display: flex;
            align-items: center;
            justify-content: space-between;
            gap: var(--spacing-md);
            background: var(--card);
            border: 1px solid var(--border);
            border-radius: var(--radius);
            padding: 10px 16px;
            box-shadow: var(--shadow);
            flex-wrap: nowrap;
        }
        .logo {
            display: flex;
            align-items: center;
            gap: 8px;
            font-weight: 700;
            font-size: 1.25rem;
            color: var(--primary);
            letter-spacing: 0.02em;
            white-space: nowrap;
            flex-shrink: 0;
        }
        .logo-icon {
            width: 32px;
            height: 32px;
            background: var(--primary);
            color: var(--accent);
            border-radius: var(--radius-sm);
            display: flex;
            align-items: center;
            justify-content: center;
            font-size: 1rem;
            font-weight: 800;
        }
        .nav-links {
            display: flex;
            align-items: center;
            gap: 6px;
            flex-wrap: nowrap;
            overflow-x: auto;
            scrollbar-width: none;
            -ms-overflow-style: none;
        }
        .nav-links::-webkit-scrollbar {
            display: none;
        }
        .nav-link {
            display: inline-flex;
            align-items: center;
            gap: 4px;
            padding: 8px 14px;
            border-radius: var(--radius-sm);
            font-size: 0.88rem;
            font-weight: 500;
            color: var(--text-2);
            white-space: nowrap;
            border: 1px solid transparent;
            transition: all 0.2s;
        }
        .nav-link:hover {
            background: var(--bg-soft);
            color: var(--primary);
            border-color: var(--border);
            opacity: 1;
        }
        .nav-link.active {
            background: var(--primary);
            color: var(--accent);
            font-weight: 600;
            border-color: var(--primary);
        }
        .nav-cta {
            display: inline-flex;
            align-items: center;
            gap: 6px;
            background: var(--accent);
            color: var(--primary);
            font-weight: 700;
            padding: 8px 18px;
            border-radius: var(--radius-pill);
            font-size: 0.88rem;
            white-space: nowrap;
            flex-shrink: 0;
            transition: all 0.2s;
            border: 1px solid transparent;
        }
        .nav-cta:hover {
            background: var(--accent-strong);
            opacity: 1;
            transform: translateY(-1px);
            box-shadow: 0 6px 16px rgba(185, 247, 62, 0.3);
        }
        .nav-toggle {
            display: none;
            flex-direction: column;
            gap: 5px;
            background: var(--bg-soft);
            border: 1px solid var(--border);
            border-radius: var(--radius-sm);
            padding: 8px;
            flex-shrink: 0;
        }
        .nav-toggle span {
            display: block;
            width: 20px;
            height: 2px;
            background: var(--text);
            border-radius: 2px;
            transition: all 0.2s;
        }

        /* Category Compact Header */
        .category-header {
            padding: var(--spacing-xl) 0 var(--spacing-lg);
            background: var(--bg);
            border-bottom: 1px solid var(--border);
        }
        .category-header-inner {
            display: flex;
            flex-wrap: wrap;
            align-items: flex-end;
            justify-content: space-between;
            gap: var(--spacing-lg);
        }
        .category-header-content h1 {
            font-size: 2.2rem;
            font-weight: 700;
            color: var(--text);
            margin: 0 0 var(--spacing-sm);
            line-height: 1.25;
        }
        .category-header-content p {
            font-size: 1.05rem;
            color: var(--text-2);
            margin: 0;
            max-width: 620px;
            line-height: 1.8;
        }
        .category-header-stats {
            display: flex;
            gap: var(--spacing-lg);
            flex-wrap: wrap;
        }
        .stat-item {
            text-align: center;
            padding: var(--spacing-md) var(--spacing-lg);
            background: var(--card);
            border: 1px solid var(--border);
            border-radius: var(--radius);
            box-shadow: var(--shadow);
            min-width: 90px;
        }
        .stat-num {
            font-size: 1.8rem;
            font-weight: 700;
            color: var(--primary);
            line-height: 1.2;
        }
        .stat-num span {
            font-size: 0.9rem;
            color: var(--text-3);
            font-weight: 500;
        }
        .stat-label {
            font-size: 0.78rem;
            color: var(--text-3);
            margin-top: 4px;
        }

        /* Analysis Cards Grid */
        .analysis-grid {
            display: grid;
            grid-template-columns: repeat(2, 1fr);
            gap: var(--spacing-lg);
        }
        .analysis-card {
            background: var(--card);
            border: 1px solid var(--border);
            border-radius: var(--radius);
            overflow: hidden;
            box-shadow: var(--shadow);
            transition: all 0.3s;
            display: flex;
            flex-direction: column;
        }
        .analysis-card:hover {
            transform: translateY(-4px);
            box-shadow: var(--shadow-hover);
        }
        .analysis-card-img {
            width: 100%;
            aspect-ratio: 16 / 9;
            overflow: hidden;
            background: var(--bg-soft);
        }
        .analysis-card-img img {
            width: 100%;
            height: 100%;
            object-fit: cover;
            transition: transform 0.4s;
        }
        .analysis-card:hover .analysis-card-img img {
            transform: scale(1.04);
        }
        .analysis-card-body {
            padding: var(--spacing-lg);
            flex: 1;
            display: flex;
            flex-direction: column;
        }
        .analysis-card-meta {
            display: flex;
            align-items: center;
            gap: var(--spacing-sm);
            flex-wrap: wrap;
            margin-bottom: var(--spacing-sm);
        }
        .analysis-card-title {
            font-size: 1.15rem;
            font-weight: 700;
            color: var(--text);
            margin: 0 0 var(--spacing-sm);
            line-height: 1.4;
        }
        .analysis-card-excerpt {
            font-size: 0.9rem;
            color: var(--text-2);
            line-height: 1.75;
            margin: 0 0 var(--spacing-md);
            flex: 1;
        }
        .analysis-card-footer {
            display: flex;
            align-items: center;
            justify-content: space-between;
            gap: var(--spacing-sm);
        }

        /* Editor Picks */
        .editor-picks {
            display: flex;
            flex-direction: column;
            gap: var(--spacing-md);
        }
        .pick-item {
            display: flex;
            align-items: center;
            gap: var(--spacing-md);
            background: var(--card);
            border: 1px solid var(--border);
            border-radius: var(--radius);
            padding: var(--spacing-md) var(--spacing-lg);
            box-shadow: var(--shadow);
            transition: all 0.25s;
        }
        .pick-item:hover {
            box-shadow: var(--shadow-hover);
            transform: translateX(4px);
        }
        .pick-rank {
            font-size: 1.4rem;
            font-weight: 800;
            color: var(--accent-strong);
            min-width: 36px;
            text-align: center;
            flex-shrink: 0;
        }
        .pick-rank.one {
            color: var(--accent-strong);
            font-size: 1.6rem;
        }
        .pick-info {
            flex: 1;
        }
        .pick-info h3 {
            font-size: 1rem;
            font-weight: 600;
            margin: 0 0 4px;
            color: var(--text);
        }
        .pick-info p {
            font-size: 0.82rem;
            color: var(--text-3);
            margin: 0;
        }
        .pick-badge {
            flex-shrink: 0;
        }

        /* Topic Tags */
        .topic-cloud {
            display: flex;
            flex-wrap: wrap;
            gap: var(--spacing-sm);
            padding: var(--spacing-md) 0;
        }
        .topic-tag {
            font-size: 0.82rem;
            padding: 8px 18px;
            border-radius: var(--radius-pill);
            background: var(--card);
            color: var(--text-2);
            border: 1px solid var(--border);
            transition: all 0.25s;
            cursor: pointer;
        }
        .topic-tag:hover {
            background: var(--primary);
            color: var(--accent);
            border-color: var(--primary);
            opacity: 1;
            transform: translateY(-1px);
        }
        .topic-tag.hot {
            background: var(--accent);
            color: var(--primary);
            border-color: transparent;
            font-weight: 600;
        }

        /* Timeline */
        .timeline {
            position: relative;
            padding-left: 32px;
            list-style: none;
            margin: 0;
        }
        .timeline::before {
            content: '';
            position: absolute;
            left: 10px;
            top: 8px;
            bottom: 8px;
            width: 2px;
            background: var(--divider);
            border-radius: 2px;
        }
        .timeline-item {
            position: relative;
            padding-bottom: var(--spacing-lg);
        }
        .timeline-item::before {
            content: '';
            position: absolute;
            left: -26px;
            top: 6px;
            width: 12px;
            height: 12px;
            border-radius: 50%;
            background: var(--accent);
            border: 3px solid var(--primary);
            box-shadow: 0 0 0 3px rgba(185, 247, 62, 0.25);
        }
        .timeline-item:last-child {
            padding-bottom: 0;
        }
        .timeline-date {
            font-size: 0.78rem;
            font-weight: 600;
            color: var(--text-3);
            margin-bottom: 4px;
        }
        .timeline-item h3 {
            font-size: 0.95rem;
            font-weight: 600;
            color: var(--text);
            margin: 0 0 4px;
        }
        .timeline-item p {
            font-size: 0.85rem;
            color: var(--text-2);
            margin: 0;
            line-height: 1.7;
        }

        /* CTA Panel */
        .cta-panel {
            background: var(--primary);
            border-radius: var(--radius);
            padding: var(--spacing-xl);
            display: flex;
            flex-wrap: wrap;
            align-items: center;
            justify-content: space-between;
            gap: var(--spacing-lg);
            position: relative;
            overflow: hidden;
        }
        .cta-panel::after {
            content: '';
            position: absolute;
            top: -60%;
            right: -10%;
            width: 400px;
            height: 400px;
            background: rgba(185, 247, 62, 0.08);
            border-radius: 50%;
            pointer-events: none;
        }
        .cta-content h2 {
            color: #fff;
            font-size: 1.5rem;
            font-weight: 700;
            margin: 0 0 var(--spacing-sm);
            line-height: 1.35;
        }
        .cta-content p {
            color: rgba(255, 255, 255, 0.75);
            margin: 0;
            font-size: 0.95rem;
            line-height: 1.75;
            max-width: 520px;
        }
        .cta-actions {
            display: flex;
            gap: var(--spacing-sm);
            flex-shrink: 0;
            position: relative;
            z-index: 1;
        }

        /* Data Source Note */
        .source-note {
            display: flex;
            gap: var(--spacing-md);
            align-items: flex-start;
            background: var(--card-light);
            border: 1px solid var(--border);
            border-radius: var(--radius);
            padding: var(--spacing-lg);
        }
        .source-note-icon {
            font-size: 1.5rem;
            flex-shrink: 0;
            margin-top: 2px;
        }
        .source-note-text h3 {
            font-size: 0.95rem;
            font-weight: 600;
            color: var(--text);
            margin: 0 0 6px;
        }
        .source-note-text p {
            font-size: 0.85rem;
            color: var(--text-2);
            margin: 0;
            line-height: 1.7;
        }

        /* Footer */
        .site-footer {
            background: var(--primary);
            color: rgba(255, 255, 255, 0.75);
            padding: var(--spacing-2xl) 0 var(--spacing-lg);
            margin-top: auto;
        }
        .footer-grid {
            display: grid;
            grid-template-columns: 2fr 1fr 1fr 1fr;
            gap: var(--spacing-xl);
            padding-bottom: var(--spacing-xl);
            border-bottom: 1px solid rgba(255, 255, 255, 0.1);
        }
        .footer-brand {
            font-size: 1.3rem;
            font-weight: 700;
            color: #fff;
            margin: 0 0 var(--spacing-sm);
        }
        .footer-desc {
            font-size: 0.85rem;
            line-height: 1.75;
            margin: 0;
            color: rgba(255, 255, 255, 0.6);
        }
        .footer-col h4 {
            font-size: 0.9rem;
            font-weight: 600;
            color: #fff;
            margin: 0 0 var(--spacing-sm);
        }
        .footer-col a {
            display: block;
            font-size: 0.82rem;
            color: rgba(255, 255, 255, 0.6);
            padding: 3px 0;
            transition: color 0.2s;
        }
        .footer-col a:hover {
            color: var(--accent);
            opacity: 1;
        }
        .footer-bottom {
            display: flex;
            flex-wrap: wrap;
            align-items: center;
            justify-content: space-between;
            gap: var(--spacing-sm);
            padding-top: var(--spacing-lg);
            font-size: 0.78rem;
            color: rgba(255, 255, 255, 0.5);
        }
        .footer-bottom a {
            color: rgba(255, 255, 255, 0.6);
        }
        .footer-bottom a:hover {
            color: var(--accent);
            opacity: 1;
        }

        /* Responsive */
        @media (max-width: 1024px) {
            .analysis-grid {
                grid-template-columns: 1fr;
            }
            .footer-grid {
                grid-template-columns: 1fr 1fr;
                gap: var(--spacing-lg);
            }
            .category-header-inner {
                flex-direction: column;
                align-items: flex-start;
            }
            .nav-links {
                gap: 4px;
            }
            .nav-link {
                padding: 8px 10px;
                font-size: 0.82rem;
            }
        }
        @media (max-width: 768px) {
            .nav-toggle {
                display: flex;
            }
            .nav-links {
                display: none;
                flex-direction: column;
                align-items: stretch;
                position: absolute;
                top: 100%;
                left: 0;
                right: 0;
                background: var(--card);
                border: 1px solid var(--border);
                border-radius: var(--radius-sm);
                box-shadow: var(--shadow-hover);
                padding: var(--spacing-md);
                margin-top: 8px;
                overflow-y: auto;
                max-height: 60vh;
            }
            .nav-links.open {
                display: flex;
            }
            .nav-link {
                padding: 10px 14px;
                font-size: 0.9rem;
            }
            .nav-panel {
                position: relative;
                gap: var(--spacing-sm);
            }
            .nav-cta {
                display: none;
            }
            .section {
                padding: var(--spacing-xl) 0;
            }
            .section-title {
                font-size: 1.4rem;
            }
            .category-header-content h1 {
                font-size: 1.6rem;
            }
            .category-header-stats {
                gap: var(--spacing-sm);
            }
            .stat-item {
                padding: var(--spacing-sm) var(--spacing-md);
                min-width: 70px;
            }
            .stat-num {
                font-size: 1.3rem;
            }
            .cta-panel {
                flex-direction: column;
                text-align: left;
                padding: var(--spacing-lg);
            }
            .cta-actions {
                width: 100%;
                flex-wrap: wrap;
            }
            .pick-item {
                flex-wrap: wrap;
                padding: var(--spacing-sm) var(--spacing-md);
            }
            .footer-grid {
                grid-template-columns: 1fr;
                gap: var(--spacing-md);
            }
            .footer-bottom {
                flex-direction: column;
                text-align: center;
                gap: var(--spacing-sm);
            }
        }
        @media (max-width: 520px) {
            .container {
                padding-left: var(--spacing-md);
                padding-right: var(--spacing-md);
            }
            .category-header-content h1 {
                font-size: 1.35rem;
            }
            .category-header-stats {
                flex-wrap: wrap;
                gap: var(--spacing-sm);
            }
            .stat-item {
                flex: 1;
                min-width: 60px;
                padding: var(--spacing-sm) var(--spacing-sm);
            }
            .stat-num {
                font-size: 1.1rem;
            }
            .btn {
                padding: 8px 16px;
                font-size: 0.82rem;
            }
            .analysis-card-body {
                padding: var(--spacing-md);
            }
            .analysis-card-title {
                font-size: 1rem;
            }
            .timeline {
                padding-left: 24px;
            }
            .timeline-item::before {
                left: -20px;
                width: 10px;
                height: 10px;
            }
            .timeline::before {
                left: 8px;
            }
            .cta-content h2 {
                font-size: 1.2rem;
            }
        }

/* roulang page: category5 */
:root {
            --primary: #10251B;
            --primary-2: #1A3629;
            --accent: #B9F73E;
            --accent-strong: #C8F04B;
            --bg: #F4F4EF;
            --bg-soft: #F6F7F2;
            --card: #FFFFFF;
            --card-light: #FBFCF8;
            --border: #E5E7E0;
            --divider: #D9DCD2;
            --text: #14191A;
            --text-2: #5B6460;
            --text-3: #8A918C;
            --radius: 12px;
            --radius-sm: 8px;
            --radius-pill: 999px;
            --shadow: 0 8px 30px rgba(0, 0, 0, 0.06);
            --shadow-hover: 0 12px 36px rgba(0, 0, 0, 0.1);
            --font: 'PingFang SC', 'Source Han Sans SC', 'Noto Sans SC', 'Microsoft YaHei', 'Inter', 'Roboto', 'DIN', sans-serif;
            --spacing-sm: 8px;
            --spacing-md: 16px;
            --spacing-lg: 24px;
            --spacing-xl: 40px;
            --spacing-2xl: 64px;
            --spacing-3xl: 80px;
            --max-w: 1200px;
        }

        html {
            scroll-behavior: smooth;
            -webkit-font-smoothing: antialiased;
            -moz-osx-font-smoothing: grayscale;
        }

        body {
            font-family: var(--font);
            background-color: var(--bg);
            color: var(--text);
            line-height: 1.75;
            font-size: 16px;
            min-height: 100vh;
            display: flex;
            flex-direction: column;
            margin: 0;
        }

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

        a {
            color: inherit;
            text-decoration: none;
            transition: color 0.2s, background-color 0.2s, border-color 0.2s, opacity 0.2s;
        }

        a:hover {
            opacity: 0.85;
        }

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

        button:focus-visible,
        a:focus-visible {
            outline: 3px solid var(--accent);
            outline-offset: 2px;
            border-radius: 4px;
        }

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

        h1, h2, h3, h4, h5, h6 {
            margin: 0;
            line-height: 1.35;
            font-weight: 700;
            color: var(--text);
        }

        p {
            margin: 0;
        }

        ul, ol {
            margin: 0;
            padding: 0;
            list-style: none;
        }

        .container {
            width: 100%;
            max-width: var(--max-w);
            margin: 0 auto;
            padding-left: var(--spacing-lg);
            padding-right: var(--spacing-lg);
        }

        /* Header / Navigation */
        .site-header {
            position: sticky;
            top: 0;
            z-index: 100;
            padding: 12px 0;
            background: rgba(244, 244, 239, 0.92);
            backdrop-filter: blur(12px);
            -webkit-backdrop-filter: blur(12px);
            border-bottom: 1px solid var(--border);
        }

        .nav-panel {
            display: flex;
            align-items: center;
            justify-content: space-between;
            gap: var(--spacing-md);
            background: var(--card);
            border: 1px solid var(--border);
            border-radius: var(--radius);
            padding: 10px 16px;
            box-shadow: var(--shadow);
            flex-wrap: nowrap;
        }

        .logo {
            display: flex;
            align-items: center;
            gap: 8px;
            font-weight: 700;
            font-size: 1.25rem;
            color: var(--primary);
            letter-spacing: 0.02em;
            white-space: nowrap;
            flex-shrink: 0;
        }

        .logo-icon {
            width: 32px;
            height: 32px;
            background: var(--primary);
            color: var(--accent);
            border-radius: var(--radius-sm);
            display: flex;
            align-items: center;
            justify-content: center;
            font-size: 1rem;
            font-weight: 800;
        }

        .nav-links {
            display: flex;
            align-items: center;
            gap: 6px;
            flex-wrap: nowrap;
            overflow-x: auto;
            scrollbar-width: none;
            -ms-overflow-style: none;
        }

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

        .nav-link {
            display: inline-flex;
            align-items: center;
            gap: 4px;
            padding: 8px 14px;
            border-radius: var(--radius-sm);
            font-size: 0.88rem;
            font-weight: 500;
            color: var(--text-2);
            white-space: nowrap;
            border: 1px solid transparent;
            transition: all 0.2s;
        }

        .nav-link:hover {
            background: var(--bg-soft);
            color: var(--primary);
            border-color: var(--border);
            opacity: 1;
        }

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

        .nav-cta {
            display: inline-flex;
            align-items: center;
            gap: 6px;
            background: var(--accent);
            color: var(--primary);
            font-weight: 700;
            padding: 8px 18px;
            border-radius: var(--radius-pill);
            font-size: 0.88rem;
            white-space: nowrap;
            flex-shrink: 0;
            transition: all 0.2s;
            border: 1px solid transparent;
        }

        .nav-cta:hover {
            background: var(--accent-strong);
            opacity: 1;
            transform: translateY(-1px);
            box-shadow: 0 6px 16px rgba(185, 247, 62, 0.3);
        }

        .nav-toggle {
            display: none;
            flex-direction: column;
            gap: 5px;
            background: var(--bg-soft);
            border: 1px solid var(--border);
            border-radius: var(--radius-sm);
            padding: 8px;
            flex-shrink: 0;
        }

        .nav-toggle span {
            display: block;
            width: 20px;
            height: 2px;
            background: var(--text);
            border-radius: 2px;
            transition: all 0.2s;
        }

        /* Page Hero - Compact */
        .page-hero {
            background: var(--primary);
            color: #fff;
            padding: var(--spacing-2xl) 0 var(--spacing-xl);
            position: relative;
            overflow: hidden;
        }

        .page-hero::after {
            content: '';
            position: absolute;
            top: -60%;
            right: -10%;
            width: 500px;
            height: 500px;
            background: radial-gradient(circle, rgba(185, 247, 62, 0.12), transparent 65%);
            pointer-events: none;
        }

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

        .page-hero-inner {
            display: flex;
            align-items: flex-end;
            gap: var(--spacing-xl);
            flex-wrap: wrap;
        }

        .page-hero-text {
            flex: 1 1 60%;
            min-width: 280px;
        }

        .page-hero h1 {
            font-size: clamp(1.6rem, 3.5vw, 2.4rem);
            font-weight: 700;
            color: #fff;
            margin-bottom: var(--spacing-sm);
            letter-spacing: 0.01em;
        }

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

        .page-hero-desc {
            font-size: 0.95rem;
            color: rgba(255, 255, 255, 0.75);
            max-width: 620px;
            line-height: 1.85;
        }

        .page-hero-stats {
            display: flex;
            gap: var(--spacing-lg);
            flex-wrap: wrap;
            align-items: center;
        }

        .hero-stat {
            background: rgba(255, 255, 255, 0.06);
            border: 1px solid rgba(255, 255, 255, 0.12);
            border-radius: var(--radius-sm);
            padding: 12px 18px;
            text-align: center;
            min-width: 90px;
        }

        .hero-stat strong {
            display: block;
            font-size: 1.4rem;
            font-weight: 700;
            color: var(--accent);
            line-height: 1.2;
        }

        .hero-stat span {
            font-size: 0.75rem;
            color: rgba(255, 255, 255, 0.65);
        }

        /* Section base */
        .section {
            padding: var(--spacing-2xl) 0;
        }

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

        .section-head {
            margin-bottom: var(--spacing-xl);
            max-width: 720px;
        }

        .section-head h2 {
            font-size: clamp(1.2rem, 2.5vw, 1.6rem);
            font-weight: 700;
            margin-bottom: var(--spacing-sm);
            letter-spacing: 0.01em;
        }

        .section-head p {
            color: var(--text-2);
            font-size: 0.95rem;
            line-height: 1.85;
        }

        .section-tag {
            display: inline-block;
            background: var(--primary);
            color: var(--accent);
            font-size: 0.72rem;
            font-weight: 600;
            padding: 4px 12px;
            border-radius: var(--radius-pill);
            letter-spacing: 0.06em;
            margin-bottom: var(--spacing-sm);
        }

        /* Category entry panel */
        .category-panel {
            display: grid;
            grid-template-columns: repeat(5, 1fr);
            gap: var(--spacing-md);
        }

        .category-mini-card {
            background: var(--card);
            border: 1px solid var(--border);
            border-radius: var(--radius);
            padding: 14px 12px;
            text-align: center;
            transition: all 0.25s;
            display: flex;
            flex-direction: column;
            align-items: center;
            gap: 6px;
            box-shadow: var(--shadow);
        }

        .category-mini-card:hover {
            transform: translateY(-3px);
            box-shadow: var(--shadow-hover);
            border-color: var(--primary);
            opacity: 1;
        }

        .category-mini-icon {
            width: 36px;
            height: 36px;
            background: var(--bg-soft);
            border-radius: var(--radius-sm);
            display: flex;
            align-items: center;
            justify-content: center;
            font-size: 1.1rem;
            font-weight: 700;
            color: var(--primary);
        }

        .category-mini-card span {
            font-size: 0.8rem;
            font-weight: 600;
            color: var(--text);
            white-space: nowrap;
        }

        /* Filter toolbar */
        .filter-toolbar {
            display: flex;
            align-items: center;
            gap: var(--spacing-sm);
            flex-wrap: wrap;
            margin-bottom: var(--spacing-lg);
            background: var(--card);
            border: 1px solid var(--border);
            border-radius: var(--radius);
            padding: 12px 16px;
            box-shadow: var(--shadow);
        }

        .filter-label {
            font-size: 0.85rem;
            font-weight: 600;
            color: var(--text-2);
            margin-right: 4px;
        }

        .filter-btn {
            padding: 7px 16px;
            border-radius: var(--radius-pill);
            font-size: 0.82rem;
            font-weight: 500;
            color: var(--text-2);
            background: var(--bg-soft);
            border: 1px solid var(--border);
            transition: all 0.2s;
            white-space: nowrap;
        }

        .filter-btn:hover {
            border-color: var(--primary);
            color: var(--primary);
            opacity: 1;
        }

        .filter-btn.active {
            background: var(--primary);
            color: var(--accent);
            border-color: var(--primary);
            font-weight: 600;
        }

        /* Tools grid */
        .tools-grid {
            display: grid;
            grid-template-columns: repeat(3, 1fr);
            gap: var(--spacing-lg);
        }

        .tool-card {
            background: var(--card);
            border: 1px solid var(--border);
            border-radius: var(--radius);
            padding: 0;
            overflow: hidden;
            box-shadow: var(--shadow);
            transition: all 0.25s;
            display: flex;
            flex-direction: column;
        }

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

        .tool-card-img {
            aspect-ratio: 16/9;
            object-fit: cover;
            width: 100%;
            background: var(--bg-soft);
        }

        .tool-card-body {
            padding: var(--spacing-lg);
            display: flex;
            flex-direction: column;
            gap: var(--spacing-sm);
            flex: 1;
        }

        .tool-card-tags {
            display: flex;
            gap: 6px;
            flex-wrap: wrap;
        }

        .tool-tag {
            font-size: 0.68rem;
            font-weight: 600;
            padding: 3px 10px;
            border-radius: var(--radius-pill);
            background: var(--bg-soft);
            color: var(--text-2);
            border: 1px solid var(--border);
            letter-spacing: 0.03em;
        }

        .tool-tag.hot {
            background: rgba(185, 247, 62, 0.18);
            color: var(--primary);
            border-color: var(--accent);
        }

        .tool-card h3 {
            font-size: 1.05rem;
            font-weight: 700;
            margin-top: 2px;
        }

        .tool-card p {
            font-size: 0.85rem;
            color: var(--text-2);
            line-height: 1.8;
            flex: 1;
        }

        .tool-card-action {
            display: flex;
            align-items: center;
            justify-content: space-between;
            gap: var(--spacing-sm);
            margin-top: var(--spacing-sm);
        }

        .tool-btn {
            display: inline-flex;
            align-items: center;
            gap: 6px;
            padding: 8px 16px;
            border-radius: var(--radius-sm);
            font-size: 0.8rem;
            font-weight: 600;
            border: 1px solid var(--primary);
            color: var(--primary);
            background: transparent;
            transition: all 0.2s;
            white-space: nowrap;
        }

        .tool-btn:hover {
            background: var(--primary);
            color: var(--accent);
            opacity: 1;
        }

        .tool-meta {
            font-size: 0.72rem;
            color: var(--text-3);
        }

        .tool-card.hidden {
            display: none;
        }

        /* Usage guide steps */
        .guide-steps {
            display: grid;
            grid-template-columns: repeat(4, 1fr);
            gap: var(--spacing-lg);
        }

        .guide-step {
            background: var(--card);
            border: 1px solid var(--border);
            border-radius: var(--radius);
            padding: var(--spacing-lg);
            box-shadow: var(--shadow);
            transition: all 0.25s;
            position: relative;
        }

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

        .guide-step-num {
            width: 40px;
            height: 40px;
            background: var(--primary);
            color: var(--accent);
            border-radius: 50%;
            display: flex;
            align-items: center;
            justify-content: center;
            font-weight: 700;
            font-size: 1.1rem;
            margin-bottom: var(--spacing-sm);
        }

        .guide-step h3 {
            font-size: 0.95rem;
            font-weight: 700;
            margin-bottom: 6px;
        }

        .guide-step p {
            font-size: 0.82rem;
            color: var(--text-2);
            line-height: 1.8;
        }

        /* API section */
        .api-panel {
            background: var(--primary);
            border-radius: var(--radius);
            padding: var(--spacing-xl);
            color: #fff;
            display: grid;
            grid-template-columns: 1.2fr 1fr;
            gap: var(--spacing-xl);
            align-items: center;
            box-shadow: var(--shadow);
        }

        .api-panel h2 {
            color: #fff;
            font-size: 1.4rem;
            margin-bottom: var(--spacing-sm);
        }

        .api-panel p {
            color: rgba(255, 255, 255, 0.72);
            font-size: 0.9rem;
            line-height: 1.85;
        }

        .api-code-block {
            background: rgba(0, 0, 0, 0.35);
            border: 1px solid rgba(255, 255, 255, 0.12);
            border-radius: var(--radius-sm);
            padding: var(--spacing-md);
            font-family: 'SFMono-Regular', 'Consolas', 'Liberation Mono', monospace;
            font-size: 0.8rem;
            line-height: 1.7;
            color: #c9d1d9;
            overflow-x: auto;
            white-space: pre;
        }

        .api-code-block .accent {
            color: var(--accent);
        }

        /* FAQ */
        .faq-list {
            display: flex;
            flex-direction: column;
            gap: var(--spacing-sm);
        }

        .faq-item {
            background: var(--card);
            border: 1px solid var(--border);
            border-radius: var(--radius-sm);
            overflow: hidden;
            box-shadow: 0 2px 8px rgba(0, 0, 0, 0.04);
            transition: all 0.2s;
        }

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

        .faq-question {
            display: flex;
            align-items: center;
            justify-content: space-between;
            gap: var(--spacing-md);
            width: 100%;
            padding: 14px 18px;
            background: transparent;
            text-align: left;
            font-size: 0.92rem;
            font-weight: 600;
            color: var(--text);
            border: none;
            cursor: pointer;
            transition: background-color 0.2s;
        }

        .faq-question:hover {
            background: var(--bg-soft);
        }

        .faq-icon {
            flex-shrink: 0;
            width: 24px;
            height: 24px;
            background: var(--bg-soft);
            border-radius: 50%;
            display: flex;
            align-items: center;
            justify-content: center;
            font-weight: 700;
            color: var(--primary);
            transition: transform 0.2s;
            font-size: 0.9rem;
        }

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

        .faq-answer {
            max-height: 0;
            overflow: hidden;
            transition: max-height 0.3s ease, padding 0.3s ease;
            padding: 0 18px;
        }

        .faq-item.open .faq-answer {
            max-height: 300px;
            padding: 0 18px 14px;
        }

        .faq-answer p {
            font-size: 0.85rem;
            color: var(--text-2);
            line-height: 1.85;
        }

        /* CTA */
        .cta-section {
            background: var(--primary);
            padding: var(--spacing-2xl) 0;
            text-align: center;
        }

        .cta-panel {
            display: flex;
            flex-direction: column;
            align-items: center;
            gap: var(--spacing-md);
            max-width: 680px;
            margin: 0 auto;
            text-align: center;
        }

        .cta-panel h2 {
            color: #fff;
            font-size: clamp(1.2rem, 2.5vw, 1.5rem);
            font-weight: 700;
        }

        .cta-panel p {
            color: rgba(255, 255, 255, 0.7);
            font-size: 0.92rem;
            line-height: 1.85;
        }

        .cta-btn-group {
            display: flex;
            gap: var(--spacing-md);
            flex-wrap: wrap;
            justify-content: center;
        }

        .btn-primary {
            display: inline-flex;
            align-items: center;
            gap: 6px;
            background: var(--accent);
            color: var(--primary);
            font-weight: 700;
            padding: 12px 28px;
            border-radius: var(--radius-pill);
            font-size: 0.92rem;
            transition: all 0.2s;
            border: 1px solid transparent;
            white-space: nowrap;
        }

        .btn-primary:hover {
            background: var(--accent-strong);
            opacity: 1;
            transform: translateY(-1px);
            box-shadow: 0 6px 20px rgba(185, 247, 62, 0.35);
        }

        .btn-secondary {
            display: inline-flex;
            align-items: center;
            gap: 6px;
            background: transparent;
            color: #fff;
            font-weight: 600;
            padding: 12px 28px;
            border-radius: var(--radius-pill);
            font-size: 0.92rem;
            border: 1px solid rgba(255, 255, 255, 0.35);
            transition: all 0.2s;
            white-space: nowrap;
        }

        .btn-secondary:hover {
            background: rgba(255, 255, 255, 0.1);
            border-color: rgba(255, 255, 255, 0.6);
            opacity: 1;
        }

        /* Footer */
        .site-footer {
            background: var(--primary);
            color: rgba(255, 255, 255, 0.75);
            padding: var(--spacing-2xl) 0 var(--spacing-lg);
            border-top: 1px solid var(--border);
            margin-top: auto;
        }

        .footer-grid {
            display: grid;
            grid-template-columns: 1.2fr 1fr 1fr 1fr;
            gap: var(--spacing-xl);
            margin-bottom: var(--spacing-xl);
        }

        .footer-brand {
            font-size: 1.3rem;
            font-weight: 700;
            color: var(--accent);
            margin-bottom: var(--spacing-sm);
        }

        .footer-desc {
            font-size: 0.82rem;
            line-height: 1.85;
            color: rgba(255, 255, 255, 0.6);
            max-width: 300px;
        }

        .footer-col h4 {
            font-size: 0.85rem;
            font-weight: 700;
            color: #fff;
            margin-bottom: var(--spacing-sm);
            letter-spacing: 0.04em;
        }

        .footer-col a {
            display: block;
            font-size: 0.82rem;
            color: rgba(255, 255, 255, 0.6);
            padding: 4px 0;
            transition: color 0.2s;
        }

        .footer-col a:hover {
            color: var(--accent);
            opacity: 1;
        }

        .footer-bottom {
            border-top: 1px solid rgba(255, 255, 255, 0.1);
            padding-top: var(--spacing-md);
            display: flex;
            justify-content: space-between;
            align-items: center;
            flex-wrap: wrap;
            gap: var(--spacing-sm);
            font-size: 0.75rem;
            color: rgba(255, 255, 255, 0.45);
        }

        .footer-bottom a {
            color: rgba(255, 255, 255, 0.6);
            font-size: 0.75rem;
        }

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

        /* Responsive */
        @media (max-width: 1024px) {
            .tools-grid {
                grid-template-columns: repeat(2, 1fr);
            }
            .guide-steps {
                grid-template-columns: repeat(2, 1fr);
            }
            .category-panel {
                grid-template-columns: repeat(3, 1fr);
            }
            .api-panel {
                grid-template-columns: 1fr;
                gap: var(--spacing-lg);
            }
            .footer-grid {
                grid-template-columns: 1fr 1fr;
                gap: var(--spacing-lg);
            }
        }

        @media (max-width: 768px) {
            .container {
                padding-left: var(--spacing-md);
                padding-right: var(--spacing-md);
            }
            .nav-toggle {
                display: flex;
            }
            .nav-links {
                position: absolute;
                top: calc(100% + 6px);
                left: 0;
                right: 0;
                background: var(--card);
                border: 1px solid var(--border);
                border-radius: var(--radius);
                box-shadow: var(--shadow-hover);
                padding: var(--spacing-sm);
                flex-direction: column;
                align-items: stretch;
                gap: 4px;
                display: none;
                overflow-x: visible;
                z-index: 10;
            }
            .nav-links.open {
                display: flex;
            }
            .nav-link {
                padding: 10px 14px;
                justify-content: flex-start;
                border-radius: var(--radius-sm);
            }
            .nav-cta {
                display: none;
            }
            .nav-panel {
                position: relative;
                flex-wrap: wrap;
            }
            .page-hero {
                padding: var(--spacing-xl) 0 var(--spacing-lg);
            }
            .page-hero-inner {
                flex-direction: column;
                align-items: flex-start;
                gap: var(--spacing-md);
            }
            .page-hero-stats {
                gap: var(--spacing-sm);
            }
            .section {
                padding: var(--spacing-xl) 0;
            }
            .tools-grid {
                grid-template-columns: 1fr;
            }
            .guide-steps {
                grid-template-columns: 1fr;
            }
            .category-panel {
                grid-template-columns: repeat(2, 1fr);
            }
            .api-panel {
                padding: var(--spacing-lg);
            }
            .api-code-block {
                font-size: 0.7rem;
                padding: var(--spacing-sm);
            }
            .footer-grid {
                grid-template-columns: 1fr;
                gap: var(--spacing-md);
            }
            .footer-bottom {
                flex-direction: column;
                text-align: center;
                gap: var(--spacing-xs);
            }
            .filter-toolbar {
                gap: 6px;
                padding: 10px 12px;
            }
            .filter-btn {
                padding: 6px 12px;
                font-size: 0.75rem;
            }
        }

        @media (max-width: 520px) {
            .category-panel {
                grid-template-columns: 1fr 1fr;
                gap: var(--spacing-sm);
            }
            .hero-stat {
                padding: 8px 12px;
                min-width: 70px;
            }
            .hero-stat strong {
                font-size: 1.1rem;
            }
            .cta-btn-group {
                flex-direction: column;
                align-items: center;
            }
            .tool-card-body {
                padding: var(--spacing-md);
            }
            .btn-primary, .btn-secondary {
                padding: 10px 20px;
                font-size: 0.85rem;
            }
            .page-hero h1 {
                font-size: 1.4rem;
            }
        }