/* roulang page: index */
:root {
            --color-primary: #14181F;
            --color-accent: #00D9A6;
            --color-gold: #F5A623;
            --color-danger: #FF4D4F;
            --color-bg: #0F1218;
            --color-bg-secondary: #161B24;
            --color-card: #1A1F2A;
            --color-border: rgba(255, 255, 255, 0.06);
            --color-border-hover: rgba(0, 217, 166, 0.35);
            --color-text-primary: #F5F6FA;
            --color-text-secondary: #A8B0C0;
            --color-text-muted: #6A7280;
            --radius-card: 14px;
            --radius-button: 10px;
            --radius-chip: 20px;
            --shadow-card: 0 8px 24px rgba(0, 0, 0, 0.35);
            --shadow-card-hover: 0 12px 32px rgba(0, 0, 0, 0.5);
            --shadow-focus: 0 0 0 3px rgba(0, 217, 166, 0.25);
            --font-sans: 'Noto Sans SC', 'Source Han Sans SC', 'PingFang SC', 'Microsoft YaHei', system-ui, -apple-system, sans-serif;
            --font-serif: 'Noto Serif SC', 'Source Han Serif SC', 'Songti SC', Georgia, serif;
            --font-mono: 'SF Mono', 'Cascadia Code', 'Roboto Mono', monospace;
            --container-max: 1200px;
            --header-height: 112px;
            --transition-fast: 0.18s ease;
            --transition-base: 0.28s cubic-bezier(0.4, 0, 0.2, 1);
            --transition-slow: 0.45s cubic-bezier(0.4, 0, 0.2, 1);
            --spacing-section: 72px;
            --spacing-section-mobile: 48px;
            --z-header: 50;
            --z-fixed-bar: 60;
        }

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

        html {
            scroll-behavior: smooth;
            -webkit-text-size-adjust: 100%;
            font-size: 16px;
        }

        body {
            font-family: var(--font-serif);
            background-color: var(--color-bg);
            color: var(--color-text-primary);
            line-height: 1.85;
            font-weight: 400;
            min-height: 100vh;
            overflow-x: hidden;
            -webkit-font-smoothing: antialiased;
            -moz-osx-font-smoothing: grayscale;
            padding-bottom: 80px;
        }

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

        a {
            color: var(--color-accent);
            text-decoration: none;
            transition: color var(--transition-fast), opacity var(--transition-fast);
        }
        a:hover {
            color: #1fe6b6;
            text-decoration: underline;
        }
        a:focus-visible {
            outline: none;
            box-shadow: var(--shadow-focus);
            border-radius: 4px;
        }

        button {
            font-family: var(--font-sans);
            cursor: pointer;
            border: none;
            background: none;
            font-size: 1rem;
            transition: all var(--transition-fast);
        }
        button:focus-visible {
            outline: none;
            box-shadow: var(--shadow-focus);
        }

        input {
            font-family: var(--font-sans);
            transition: all var(--transition-fast);
        }
        input:focus-visible {
            outline: none;
        }

        h1,
        h2,
        h3,
        h4,
        h5,
        h6 {
            font-family: var(--font-sans);
            color: var(--color-text-primary);
            line-height: 1.25;
            font-weight: 700;
            letter-spacing: -0.01em;
        }

        h1 {
            font-size: clamp(28px, 5vw, 46px);
            font-weight: 800;
            line-height: 1.15;
        }
        h2 {
            font-size: clamp(24px, 3.5vw, 32px);
            font-weight: 700;
        }
        h3 {
            font-size: clamp(18px, 2.5vw, 21px);
            font-weight: 600;
        }

        p {
            font-family: var(--font-serif);
            color: var(--color-text-secondary);
            line-height: 1.85;
            font-weight: 400;
        }

        .container {
            max-width: var(--container-max);
            margin: 0 auto;
            padding: 0 clamp(16px, 4vw, 48px);
            width: 100%;
        }

        /* ========== HEADER ========== */
        .site-header {
            position: sticky;
            top: 0;
            z-index: var(--z-header);
            background: rgba(15, 18, 24, 0.92);
            backdrop-filter: blur(16px);
            -webkit-backdrop-filter: blur(16px);
            border-bottom: 1px solid var(--color-border);
        }

        .header-inner {
            display: flex;
            flex-direction: column;
            gap: 8px;
            padding: 14px clamp(16px, 4vw, 48px) 12px;
        }

        .header-brand-row {
            display: flex;
            align-items: center;
            justify-content: space-between;
            gap: 16px;
            flex-wrap: wrap;
        }

        .brand-logo {
            font-family: var(--font-sans);
            font-size: 1.35rem;
            font-weight: 800;
            color: var(--color-text-primary);
            letter-spacing: 0.02em;
            text-decoration: none;
            display: flex;
            align-items: center;
            gap: 8px;
            transition: color var(--transition-fast);
        }
        .brand-logo:hover {
            color: var(--color-accent);
            text-decoration: none;
        }
        .brand-logo .logo-mark {
            width: 28px;
            height: 28px;
            background: var(--color-accent);
            border-radius: 7px;
            display: inline-flex;
            align-items: center;
            justify-content: center;
            font-size: 0.9rem;
            font-weight: 800;
            color: var(--color-primary);
            flex-shrink: 0;
        }

        .header-meta {
            display: flex;
            align-items: center;
            gap: 12px;
            font-family: var(--font-sans);
            font-size: 0.8rem;
            color: var(--color-text-muted);
        }
        .header-meta .status-dot {
            width: 7px;
            height: 7px;
            background: var(--color-accent);
            border-radius: 50%;
            animation: pulse-dot 2.4s ease-in-out infinite;
        }

        @keyframes pulse-dot {
            0%,
            100% {
                opacity: 1;
                transform: scale(1);
            }
            50% {
                opacity: 0.45;
                transform: scale(0.8);
            }
        }

        .chip-nav-wrapper {
            position: relative;
        }
        .chip-nav {
            display: flex;
            gap: 8px;
            overflow-x: auto;
            -webkit-overflow-scrolling: touch;
            scrollbar-width: thin;
            scrollbar-color: rgba(0, 217, 166, 0.3) transparent;
            padding: 4px 0 2px;
            -webkit-mask-image: linear-gradient(to right, #000 88%, transparent 100%);
            mask-image: linear-gradient(to right, #000 88%, transparent 100%);
        }
        .chip-nav::-webkit-scrollbar {
            height: 3px;
        }
        .chip-nav::-webkit-scrollbar-track {
            background: transparent;
        }
        .chip-nav::-webkit-scrollbar-thumb {
            background: rgba(0, 217, 166, 0.3);
            border-radius: 3px;
        }

        .chip-link {
            display: inline-flex;
            align-items: center;
            flex-shrink: 0;
            padding: 7px 16px;
            font-family: var(--font-sans);
            font-size: 0.88rem;
            font-weight: 600;
            color: var(--color-text-secondary);
            background: transparent;
            border: 1px solid rgba(255, 255, 255, 0.12);
            border-radius: var(--radius-chip);
            text-decoration: none;
            transition: all var(--transition-fast);
            white-space: nowrap;
            user-select: none;
        }
        .chip-link:hover {
            color: var(--color-accent);
            border-color: var(--color-border-hover);
            text-decoration: none;
            background: rgba(0, 217, 166, 0.06);
        }
        .chip-link.active {
            background: var(--color-accent);
            color: var(--color-primary);
            border-color: var(--color-accent);
            font-weight: 700;
        }
        .chip-link:focus-visible {
            outline: none;
            box-shadow: var(--shadow-focus);
        }

        /* ========== SECTION BASE ========== */
        main {
            display: block;
        }
        section {
            padding: var(--spacing-section) 0;
        }
        .section-alt {
            background: var(--color-bg-secondary);
            border-top: 1px solid var(--color-border);
            border-bottom: 1px solid var(--color-border);
        }
        .section-label {
            display: inline-block;
            font-family: var(--font-sans);
            font-size: 0.82rem;
            font-weight: 600;
            color: var(--color-accent);
            letter-spacing: 0.06em;
            text-transform: uppercase;
            margin-bottom: 12px;
        }
        .section-title {
            font-size: clamp(24px, 3.5vw, 32px);
            margin-bottom: 16px;
        }
        .section-desc {
            font-size: 1rem;
            color: var(--color-text-secondary);
            max-width: 680px;
            margin-bottom: 32px;
        }

        /* ========== HERO ========== */
        .hero-section {
            padding: clamp(40px, 7vw, 80px) 0 clamp(40px, 6vw, 64px);
            background: linear-gradient(180deg, #0F1218 0%, #121820 40%, #0F1218 100%);
            position: relative;
            overflow: hidden;
        }
        .hero-section::before {
            content: '';
            position: absolute;
            top: -40%;
            right: -20%;
            width: 600px;
            height: 600px;
            background: radial-gradient(circle, rgba(0, 217, 166, 0.06) 0%, transparent 70%);
            border-radius: 50%;
            pointer-events: none;
        }
        .hero-section::after {
            content: '';
            position: absolute;
            bottom: -30%;
            left: -15%;
            width: 450px;
            height: 450px;
            background: radial-gradient(circle, rgba(245, 166, 35, 0.04) 0%, transparent 70%);
            border-radius: 50%;
            pointer-events: none;
        }
        .hero-grid {
            display: grid;
            grid-template-columns: 1.2fr 0.8fr;
            gap: clamp(28px, 5vw, 56px);
            align-items: center;
            position: relative;
            z-index: 1;
        }
        .hero-text .hero-title {
            font-size: clamp(30px, 5.5vw, 50px);
            margin-bottom: 18px;
            line-height: 1.12;
        }
        .hero-text .hero-title .hl {
            color: var(--color-accent);
        }
        .hero-text .hero-sub {
            font-size: clamp(0.95rem, 1.5vw, 1.1rem);
            color: var(--color-text-secondary);
            margin-bottom: 28px;
            max-width: 560px;
            line-height: 1.9;
        }
        .hero-cta-row {
            display: flex;
            align-items: center;
            gap: 16px;
            flex-wrap: wrap;
            margin-bottom: 28px;
        }
        .btn-primary {
            display: inline-flex;
            align-items: center;
            justify-content: center;
            gap: 8px;
            padding: 12px 26px;
            background: var(--color-accent);
            color: var(--color-primary);
            font-family: var(--font-sans);
            font-size: 0.95rem;
            font-weight: 700;
            border-radius: var(--radius-button);
            text-decoration: none;
            transition: all var(--transition-fast);
            border: 1px solid transparent;
            letter-spacing: 0.01em;
        }
        .btn-primary:hover {
            background: #1fe6b6;
            color: var(--color-primary);
            text-decoration: none;
            box-shadow: 0 4px 16px rgba(0, 217, 166, 0.35);
            transform: translateY(-1px);
        }
        .btn-primary:active {
            transform: translateY(0);
            box-shadow: none;
        }
        .btn-secondary {
            display: inline-flex;
            align-items: center;
            justify-content: center;
            gap: 8px;
            padding: 12px 24px;
            background: transparent;
            color: var(--color-accent);
            font-family: var(--font-sans);
            font-size: 0.95rem;
            font-weight: 600;
            border-radius: var(--radius-button);
            text-decoration: none;
            transition: all var(--transition-fast);
            border: 1px solid var(--color-accent);
        }
        .btn-secondary:hover {
            background: rgba(0, 217, 166, 0.1);
            color: #1fe6b6;
            text-decoration: none;
            border-color: #1fe6b6;
        }
        .btn-secondary:active {
            transform: translateY(1px);
        }
        .btn-text-link {
            display: inline-flex;
            align-items: center;
            gap: 4px;
            color: var(--color-accent);
            font-family: var(--font-sans);
            font-size: 0.92rem;
            font-weight: 600;
            text-decoration: none;
            transition: all var(--transition-fast);
        }
        .btn-text-link:hover {
            text-decoration: underline;
            color: #1fe6b6;
        }
        .hero-trust {
            display: flex;
            align-items: center;
            gap: 10px;
            font-family: var(--font-sans);
            font-size: 0.82rem;
            color: var(--color-text-muted);
            flex-wrap: wrap;
        }
        .hero-trust .trust-divider {
            width: 3px;
            height: 3px;
            background: var(--color-text-muted);
            border-radius: 50%;
        }

        .hero-panel {
            background: var(--color-card);
            border: 1px solid var(--color-border);
            border-radius: var(--radius-card);
            padding: 24px;
            box-shadow: var(--shadow-card);
            display: flex;
            flex-direction: column;
            gap: 18px;
        }
        .hero-panel-head {
            display: flex;
            align-items: center;
            justify-content: space-between;
            gap: 10px;
        }
        .hero-panel-head .panel-title {
            font-family: var(--font-sans);
            font-size: 0.9rem;
            font-weight: 700;
            color: var(--color-text-primary);
        }
        .hero-panel-head .live-badge {
            font-family: var(--font-sans);
            font-size: 0.72rem;
            font-weight: 700;
            color: var(--color-accent);
            background: rgba(0, 217, 166, 0.1);
            padding: 3px 10px;
            border-radius: 20px;
            display: flex;
            align-items: center;
            gap: 5px;
        }
        .hero-data-grid {
            display: grid;
            grid-template-columns: 1fr 1fr;
            gap: 12px;
        }
        .hero-data-item {
            background: rgba(255, 255, 255, 0.03);
            border: 1px solid var(--color-border);
            border-radius: 10px;
            padding: 14px;
            display: flex;
            flex-direction: column;
            gap: 4px;
        }
        .hero-data-item .data-label {
            font-family: var(--font-sans);
            font-size: 0.75rem;
            color: var(--color-text-muted);
            font-weight: 500;
        }
        .hero-data-item .data-value {
            font-family: var(--font-sans);
            font-size: 1.3rem;
            font-weight: 800;
            color: var(--color-accent);
            letter-spacing: -0.02em;
        }
        .hero-data-item .data-note {
            font-family: var(--font-sans);
            font-size: 0.7rem;
            color: var(--color-text-muted);
        }
        .hero-divider {
            height: 1px;
            background: var(--color-border);
            margin: 4px 0;
        }
        .hero-panel-foot {
            font-family: var(--font-sans);
            font-size: 0.78rem;
            color: var(--color-text-muted);
            display: flex;
            align-items: center;
            gap: 6px;
        }
        .hero-panel-foot .foot-dot {
            width: 6px;
            height: 6px;
            background: var(--color-gold);
            border-radius: 50%;
            flex-shrink: 0;
        }

        /* ========== CARDS & GRIDS ========== */
        .three-col-grid {
            display: grid;
            grid-template-columns: repeat(3, 1fr);
            gap: 20px;
        }
        .feature-card {
            background: var(--color-card);
            border: 1px solid var(--color-border);
            border-radius: var(--radius-card);
            padding: 24px;
            box-shadow: var(--shadow-card);
            transition: all var(--transition-base);
            display: flex;
            flex-direction: column;
            gap: 10px;
        }
        .feature-card:hover {
            transform: translateY(-3px);
            box-shadow: var(--shadow-card-hover);
            border-color: var(--color-border-hover);
        }
        .feature-card .card-icon {
            width: 40px;
            height: 40px;
            border-radius: 10px;
            background: rgba(0, 217, 166, 0.1);
            display: flex;
            align-items: center;
            justify-content: center;
            font-size: 1.2rem;
            margin-bottom: 4px;
        }
        .feature-card .card-title {
            font-family: var(--font-sans);
            font-size: 1.05rem;
            font-weight: 700;
            color: var(--color-text-primary);
        }
        .feature-card .card-desc {
            font-size: 0.9rem;
            color: var(--color-text-secondary);
            line-height: 1.8;
        }

        /* ========== PROCESS STEPS ========== */
        .process-steps {
            display: grid;
            grid-template-columns: repeat(5, 1fr);
            gap: 14px;
            margin-top: 20px;
        }
        .process-step {
            background: var(--color-card);
            border: 1px solid var(--color-border);
            border-radius: var(--radius-card);
            padding: 18px 14px;
            text-align: center;
            transition: all var(--transition-base);
            display: flex;
            flex-direction: column;
            align-items: center;
            gap: 6px;
        }
        .process-step:hover {
            transform: translateY(-3px);
            border-color: var(--color-border-hover);
            box-shadow: var(--shadow-card-hover);
        }
        .process-step .step-number {
            font-family: var(--font-sans);
            font-size: 1.5rem;
            font-weight: 800;
            color: var(--color-accent);
            line-height: 1;
        }
        .process-step .step-name {
            font-family: var(--font-sans);
            font-size: 0.9rem;
            font-weight: 700;
            color: var(--color-text-primary);
        }
        .process-step .step-desc {
            font-size: 0.78rem;
            color: var(--color-text-muted);
            line-height: 1.6;
        }

        /* ========== SOCIAL PROOF ========== */
        .social-proof-grid {
            display: grid;
            grid-template-columns: 1fr 1fr;
            gap: 32px;
            align-items: start;
        }
        .testimonial-list {
            display: flex;
            flex-direction: column;
            gap: 14px;
        }
        .testimonial-card {
            background: var(--color-card);
            border: 1px solid var(--color-border);
            border-radius: var(--radius-card);
            padding: 18px 20px;
            transition: all var(--transition-base);
        }
        .testimonial-card:hover {
            border-color: var(--color-border-hover);
        }
        .testimonial-card .quote {
            font-size: 0.9rem;
            color: var(--color-text-secondary);
            line-height: 1.8;
            margin-bottom: 10px;
        }
        .testimonial-card .author {
            font-family: var(--font-sans);
            font-size: 0.8rem;
            color: var(--color-accent);
            font-weight: 600;
        }
        .stats-row {
            display: grid;
            grid-template-columns: 1fr 1fr;
            gap: 14px;
        }
        .stat-item {
            background: var(--color-card);
            border: 1px solid var(--color-border);
            border-radius: var(--radius-card);
            padding: 20px 16px;
            text-align: center;
            display: flex;
            flex-direction: column;
            gap: 4px;
        }
        .stat-item .stat-number {
            font-family: var(--font-sans);
            font-size: 1.8rem;
            font-weight: 800;
            color: var(--color-accent);
            letter-spacing: -0.02em;
        }
        .stat-item .stat-label {
            font-family: var(--font-sans);
            font-size: 0.8rem;
            color: var(--color-text-muted);
            font-weight: 500;
        }

        /* ========== COMPARISON ========== */
        .comparison-grid {
            display: grid;
            grid-template-columns: 1fr 1fr;
            gap: 20px;
        }
        .compare-card {
            border-radius: var(--radius-card);
            padding: 28px 24px;
            border: 1px solid var(--color-border);
            transition: all var(--transition-base);
        }
        .compare-card.professional {
            background: rgba(0, 217, 166, 0.05);
            border-color: rgba(0, 217, 166, 0.2);
        }
        .compare-card.intuitive {
            background: var(--color-card);
            border-color: var(--color-border);
        }
        .compare-card:hover {
            box-shadow: var(--shadow-card-hover);
            transform: translateY(-2px);
        }
        .compare-card .compare-title {
            font-family: var(--font-sans);
            font-size: 1.1rem;
            font-weight: 700;
            margin-bottom: 12px;
            display: flex;
            align-items: center;
            gap: 8px;
        }
        .compare-card.professional .compare-title {
            color: var(--color-accent);
        }
        .compare-card.intuitive .compare-title {
            color: var(--color-text-secondary);
        }
        .compare-card ul {
            list-style: none;
            display: flex;
            flex-direction: column;
            gap: 8px;
        }
        .compare-card ul li {
            font-size: 0.88rem;
            color: var(--color-text-secondary);
            padding-left: 20px;
            position: relative;
            line-height: 1.7;
        }
        .compare-card ul li::before {
            content: '';
            position: absolute;
            left: 0;
            top: 0.55em;
            width: 8px;
            height: 8px;
            border-radius: 50%;
        }
        .compare-card.professional ul li::before {
            background: var(--color-accent);
        }
        .compare-card.intuitive ul li::before {
            background: var(--color-text-muted);
        }

        /* ========== NEWS LIST ========== */
        .news-list {
            display: grid;
            grid-template-columns: 1fr 1fr;
            gap: 18px;
        }
        .news-item {
            background: var(--color-card);
            border: 1px solid var(--color-border);
            border-radius: var(--radius-card);
            padding: 20px;
            transition: all var(--transition-base);
            display: flex;
            flex-direction: column;
            gap: 8px;
            overflow: hidden;
        }
        .news-item:hover {
            border-color: var(--color-border-hover);
            box-shadow: var(--shadow-card-hover);
            transform: translateY(-2px);
        }
        .news-item .news-date {
            font-family: var(--font-sans);
            font-size: 0.75rem;
            color: var(--color-gold);
            font-weight: 600;
        }
        .news-item .news-title {
            font-family: var(--font-sans);
            font-size: 1rem;
            font-weight: 700;
            color: var(--color-text-primary);
            line-height: 1.4;
        }
        .news-item .news-summary {
            font-size: 0.88rem;
            color: var(--color-text-secondary);
            line-height: 1.75;
            flex-grow: 1;
        }
        .news-item .btn-read-more {
            display: inline-flex;
            align-items: center;
            gap: 4px;
            font-family: var(--font-sans);
            font-size: 0.82rem;
            font-weight: 600;
            color: var(--color-accent);
            text-decoration: none;
            transition: all var(--transition-fast);
            align-self: flex-start;
        }
        .news-item .btn-read-more:hover {
            text-decoration: underline;
            color: #1fe6b6;
        }

        /* ========== FAQ ========== */
        .faq-list {
            display: flex;
            flex-direction: column;
            gap: 10px;
            max-width: 800px;
        }
        .faq-item {
            background: var(--color-card);
            border: 1px solid var(--color-border);
            border-radius: var(--radius-card);
            overflow: hidden;
            transition: all var(--transition-base);
        }
        .faq-item:hover {
            border-color: var(--color-border-hover);
        }
        .faq-question {
            width: 100%;
            display: flex;
            align-items: center;
            justify-content: space-between;
            gap: 12px;
            padding: 18px 20px;
            font-family: var(--font-sans);
            font-size: 1rem;
            font-weight: 700;
            color: var(--color-text-primary);
            text-align: left;
            background: none;
            border: none;
            cursor: pointer;
            transition: all var(--transition-fast);
        }
        .faq-question .faq-icon {
            font-size: 1.3rem;
            font-weight: 400;
            color: var(--color-accent);
            flex-shrink: 0;
            transition: transform var(--transition-fast);
        }
        .faq-item.open .faq-icon {
            transform: rotate(45deg);
        }
        .faq-answer {
            display: grid;
            grid-template-rows: 0fr;
            transition: grid-template-rows var(--transition-base);
        }
        .faq-item.open .faq-answer {
            grid-template-rows: 1fr;
        }
        .faq-answer-inner {
            overflow: hidden;
            padding: 0 20px;
        }
        .faq-item.open .faq-answer-inner {
            padding-bottom: 18px;
        }
        .faq-answer-inner p {
            font-size: 0.9rem;
            color: var(--color-text-secondary);
            line-height: 1.8;
            border-left: 3px solid var(--color-accent);
            padding-left: 14px;
        }

        /* ========== BRAND INTRO ========== */
        .brand-intro-block {
            background: var(--color-card);
            border: 1px solid var(--color-border);
            border-radius: var(--radius-card);
            padding: 32px 28px;
            box-shadow: var(--shadow-card);
        }
        .brand-intro-block p {
            font-size: 0.95rem;
            color: var(--color-text-secondary);
            line-height: 2;
            margin-bottom: 12px;
        }
        .brand-intro-block p:last-child {
            margin-bottom: 0;
        }

        /* ========== HOT MATCH CARDS ========== */
        .hot-match-scroll {
            display: flex;
            gap: 16px;
            overflow-x: auto;
            -webkit-overflow-scrolling: touch;
            scrollbar-width: thin;
            scrollbar-color: rgba(0, 217, 166, 0.3) transparent;
            padding: 8px 0 12px;
        }
        .hot-match-scroll::-webkit-scrollbar {
            height: 4px;
        }
        .hot-match-scroll::-webkit-scrollbar-thumb {
            background: rgba(0, 217, 166, 0.3);
            border-radius: 4px;
        }
        .match-card {
            flex-shrink: 0;
            width: 260px;
            background: var(--color-card);
            border: 1px solid var(--color-border);
            border-radius: var(--radius-card);
            overflow: hidden;
            box-shadow: var(--shadow-card);
            transition: all var(--transition-base);
            cursor: pointer;
        }
        .match-card:hover {
            transform: translateY(-3px);
            box-shadow: var(--shadow-card-hover);
            border-color: var(--color-border-hover);
        }
        .match-card .match-img {
            width: 100%;
            height: 150px;
            background: var(--color-bg-secondary);
            overflow: hidden;
            position: relative;
        }
        .match-card .match-img img {
            width: 100%;
            height: 100%;
            object-fit: cover;
            transition: transform var(--transition-slow);
        }
        .match-card:hover .match-img img {
            transform: scale(1.04);
        }
        .match-card .match-body {
            padding: 14px 16px;
            display: flex;
            flex-direction: column;
            gap: 6px;
        }
        .match-card .match-name {
            font-family: var(--font-sans);
            font-size: 0.95rem;
            font-weight: 700;
            color: var(--color-text-primary);
        }
        .match-card .match-time {
            font-family: var(--font-sans);
            font-size: 0.78rem;
            color: var(--color-gold);
            font-weight: 600;
        }
        .match-card .match-odds {
            font-family: var(--font-sans);
            font-size: 0.78rem;
            color: var(--color-text-muted);
            display: flex;
            align-items: center;
            gap: 8px;
        }
        .match-card .match-odds .odds-change {
            color: var(--color-danger);
            font-weight: 700;
        }

        /* ========== TEAM DATA BARS ========== */
        .data-bars-list {
            display: flex;
            flex-direction: column;
            gap: 18px;
            max-width: 700px;
        }
        .data-bar-item {
            display: flex;
            flex-direction: column;
            gap: 6px;
        }
        .data-bar-head {
            display: flex;
            align-items: center;
            justify-content: space-between;
            font-family: var(--font-sans);
            font-size: 0.85rem;
            font-weight: 600;
            color: var(--color-text-primary);
        }
        .data-bar-head .bar-value {
            color: var(--color-accent);
            font-family: var(--font-mono);
            font-weight: 700;
        }
        .data-bar-track {
            height: 10px;
            background: rgba(255, 255, 255, 0.06);
            border-radius: 5px;
            overflow: hidden;
        }
        .data-bar-fill {
            height: 100%;
            border-radius: 5px;
            background: linear-gradient(90deg, var(--color-accent) 0%, #56e8c6 100%);
            transition: width var(--transition-slow);
        }
        .data-bar-fill.warm {
            background: linear-gradient(90deg, var(--color-gold) 0%, #ffc65c 100%);
        }

        /* ========== ODDS VISUAL ========== */
        .odds-visual-wrapper {
            display: grid;
            grid-template-columns: 1.2fr 0.8fr;
            gap: 28px;
            align-items: center;
        }
        .odds-chart-placeholder {
            background: var(--color-card);
            border: 1px solid var(--color-border);
            border-radius: var(--radius-card);
            height: 240px;
            display: flex;
            align-items: center;
            justify-content: center;
            position: relative;
            overflow: hidden;
            box-shadow: var(--shadow-card);
        }
        .odds-chart-placeholder img {
            width: 100%;
            height: 100%;
            object-fit: cover;
            opacity: 0.5;
            filter: saturate(0.7);
        }
        .odds-chart-placeholder .chart-overlay {
            position: absolute;
            top: 16px;
            left: 16px;
            font-family: var(--font-sans);
            font-size: 0.8rem;
            font-weight: 700;
            color: var(--color-accent);
            background: rgba(0, 0, 0, 0.6);
            padding: 6px 12px;
            border-radius: 6px;
        }
        .odds-insight-list {
            display: flex;
            flex-direction: column;
            gap: 14px;
        }
        .odds-insight-item {
            background: var(--color-card);
            border: 1px solid var(--color-border);
            border-radius: 10px;
            padding: 14px 16px;
            font-size: 0.88rem;
            color: var(--color-text-secondary);
            line-height: 1.7;
            border-left: 3px solid var(--color-gold);
            transition: all var(--transition-fast);
        }
        .odds-insight-item:hover {
            border-left-color: var(--color-accent);
            border-color: var(--color-border-hover);
        }

        /* ========== GLOSSARY ========== */
        .glossary-grid {
            display: grid;
            grid-template-columns: 1fr 1fr;
            gap: 12px;
        }
        .glossary-item {
            background: var(--color-card);
            border: 1px solid var(--color-border);
            border-radius: 10px;
            padding: 14px 18px;
            transition: all var(--transition-fast);
        }
        .glossary-item:hover {
            border-color: var(--color-border-hover);
            transform: translateX(3px);
        }
        .glossary-item .term-name {
            font-family: var(--font-sans);
            font-size: 0.9rem;
            font-weight: 700;
            color: var(--color-accent);
            margin-bottom: 4px;
        }
        .glossary-item .term-desc {
            font-size: 0.82rem;
            color: var(--color-text-secondary);
            line-height: 1.7;
        }

        /* ========== COMMUNITY ========== */
        .community-grid {
            display: grid;
            grid-template-columns: 1fr 1fr;
            gap: 14px;
        }
        .community-card {
            background: var(--color-card);
            border: 1px solid var(--color-border);
            border-radius: var(--radius-card);
            padding: 18px;
            display: flex;
            align-items: flex-start;
            gap: 12px;
            transition: all var(--transition-fast);
        }
        .community-card:hover {
            border-color: var(--color-border-hover);
            box-shadow: var(--shadow-card-hover);
            transform: translateY(-2px);
        }
        .community-card .avatar {
            width: 40px;
            height: 40px;
            border-radius: 50%;
            background: rgba(0, 217, 166, 0.15);
            border: 2px solid var(--color-accent);
            flex-shrink: 0;
            display: flex;
            align-items: center;
            justify-content: center;
            font-family: var(--font-sans);
            font-size: 0.9rem;
            font-weight: 700;
            color: var(--color-accent);
        }
        .community-card .community-body .cm-author {
            font-family: var(--font-sans);
            font-size: 0.8rem;
            font-weight: 700;
            color: var(--color-text-primary);
            margin-bottom: 4px;
        }
        .community-card .community-body .cm-text {
            font-size: 0.85rem;
            color: var(--color-text-secondary);
            line-height: 1.7;
        }

        /* ========== SUBSCRIBE CTA ========== */
        .subscribe-wrapper {
            background: var(--color-card);
            border: 1px solid var(--color-border-hover);
            border-radius: var(--radius-card);
            padding: 36px 32px;
            box-shadow: var(--shadow-card);
            text-align: center;
            max-width: 720px;
            margin: 0 auto;
        }
        .subscribe-wrapper .subscribe-title {
            font-size: clamp(20px, 2.5vw, 26px);
            margin-bottom: 8px;
        }
        .subscribe-wrapper .subscribe-desc {
            font-size: 0.92rem;
            color: var(--color-text-secondary);
            margin-bottom: 22px;
        }
        .subscribe-form {
            display: flex;
            gap: 10px;
            max-width: 480px;
            margin: 0 auto;
            flex-wrap: wrap;
            justify-content: center;
        }
        .subscribe-form input[type="email"] {
            flex: 1;
            min-width: 220px;
            padding: 12px 18px;
            background: var(--color-bg);
            border: 1px solid rgba(255, 255, 255, 0.12);
            border-radius: var(--radius-button);
            color: var(--color-text-primary);
            font-size: 0.92rem;
            transition: all var(--transition-fast);
        }
        .subscribe-form input[type="email"]::placeholder {
            color: var(--color-text-muted);
        }
        .subscribe-form input[type="email"]:focus {
            border-color: var(--color-accent);
            box-shadow: 0 0 0 3px rgba(0, 217, 166, 0.15);
            outline: none;
        }
        .subscribe-form .btn-primary {
            padding: 12px 24px;
            white-space: nowrap;
        }

        /* ========== SAFETY BAR ========== */
        .safety-bar {
            display: grid;
            grid-template-columns: repeat(3, 1fr);
            gap: 20px;
            padding: 20px 0;
        }
        .safety-item {
            display: flex;
            align-items: center;
            gap: 12px;
            font-family: var(--font-sans);
            font-size: 0.88rem;
            color: var(--color-text-secondary);
            padding: 14px 18px;
            background: var(--color-card);
            border: 1px solid var(--color-border);
            border-radius: 10px;
            transition: all var(--transition-fast);
        }
        .safety-item:hover {
            border-color: var(--color-border-hover);
            transform: translateY(-2px);
        }
        .safety-item .safety-icon {
            width: 32px;
            height: 32px;
            border-radius: 8px;
            background: rgba(245, 166, 35, 0.12);
            display: flex;
            align-items: center;
            justify-content: center;
            flex-shrink: 0;
            font-size: 0.9rem;
        }

        /* ========== FIXED BOTTOM BAR ========== */
        .fixed-bottom-bar {
            position: fixed;
            bottom: 0;
            left: 0;
            right: 0;
            z-index: var(--z-fixed-bar);
            background: rgba(15, 18, 24, 0.95);
            backdrop-filter: blur(16px);
            -webkit-backdrop-filter: blur(16px);
            border-top: 1px solid var(--color-border);
            padding: 12px clamp(16px, 4vw, 32px);
            display: flex;
            align-items: center;
            justify-content: space-between;
            gap: 14px;
            flex-wrap: wrap;
            transition: all var(--transition-fast);
        }
        .fixed-bottom-bar .bar-text {
            font-family: var(--font-sans);
            font-size: 0.88rem;
            color: var(--color-text-secondary);
            font-weight: 500;
        }
        .fixed-bottom-bar .bar-text .highlight {
            color: var(--color-gold);
            font-weight: 700;
        }
        .fixed-bottom-bar .btn-primary {
            padding: 10px 20px;
            font-size: 0.88rem;
            white-space: nowrap;
        }

        /* ========== FOOTER ========== */
        .site-footer {
            background: var(--color-primary);
            border-top: 1px solid var(--color-border);
            padding-top: 48px;
        }
        .footer-inner {
            display: grid;
            grid-template-columns: 1.5fr 1fr 1fr;
            gap: 32px;
            padding-bottom: 32px;
        }
        .footer-brand .footer-logo {
            font-family: var(--font-sans);
            font-size: 1.15rem;
            font-weight: 800;
            color: var(--color-text-primary);
            margin-bottom: 10px;
            display: flex;
            align-items: center;
            gap: 8px;
        }
        .footer-brand .footer-logo .logo-mark {
            width: 22px;
            height: 22px;
            background: var(--color-accent);
            border-radius: 5px;
            display: inline-flex;
            align-items: center;
            justify-content: center;
            font-size: 0.7rem;
            font-weight: 800;
            color: var(--color-primary);
        }
        .footer-brand .footer-desc {
            font-size: 0.85rem;
            color: var(--color-text-muted);
            line-height: 1.8;
            max-width: 300px;
        }
        .footer-col .footer-col-title {
            font-family: var(--font-sans);
            font-size: 0.9rem;
            font-weight: 700;
            color: var(--color-text-primary);
            margin-bottom: 14px;
        }
        .footer-col ul {
            list-style: none;
            display: flex;
            flex-direction: column;
            gap: 8px;
        }
        .footer-col ul li a {
            font-family: var(--font-sans);
            font-size: 0.85rem;
            color: var(--color-text-secondary);
            text-decoration: none;
            transition: all var(--transition-fast);
        }
        .footer-col ul li a:hover {
            color: var(--color-accent);
        }
        .footer-bottom {
            border-top: 1px solid var(--color-border);
            padding: 18px 0;
            display: flex;
            align-items: center;
            justify-content: space-between;
            gap: 12px;
            flex-wrap: wrap;
            font-family: var(--font-sans);
            font-size: 0.8rem;
            color: var(--color-text-muted);
        }
        .footer-bottom a {
            color: var(--color-text-secondary);
            text-decoration: none;
            transition: color var(--transition-fast);
        }
        .footer-bottom a:hover {
            color: var(--color-accent);
        }

        /* ========== RESPONSIVE ========== */
        @media (max-width: 1024px) {
            :root {
                --spacing-section: 56px;
            }
            .hero-grid {
                grid-template-columns: 1fr;
                gap: 28px;
            }
            .hero-panel {
                max-width: 480px;
            }
            .three-col-grid {
                grid-template-columns: repeat(2, 1fr);
            }
            .process-steps {
                grid-template-columns: repeat(3, 1fr);
            }
            .news-list {
                grid-template-columns: 1fr;
            }
            .social-proof-grid {
                grid-template-columns: 1fr;
                gap: 24px;
            }
            .comparison-grid {
                grid-template-columns: 1fr;
            }
            .odds-visual-wrapper {
                grid-template-columns: 1fr;
            }
            .glossary-grid {
                grid-template-columns: 1fr;
            }
            .community-grid {
                grid-template-columns: 1fr;
            }
            .safety-bar {
                grid-template-columns: 1fr;
            }
            .footer-inner {
                grid-template-columns: 1fr 1fr;
            }
        }

        @media (max-width: 768px) {
            :root {
                --spacing-section: 48px;
                --header-height: 98px;
            }
            .header-inner {
                padding: 10px 16px 8px;
            }
            .brand-logo {
                font-size: 1.1rem;
            }
            .header-meta .meta-text {
                display: none;
            }
            .chip-link {
                font-size: 0.8rem;
                padding: 6px 12px;
            }
            .three-col-grid {
                grid-template-columns: 1fr;
                gap: 14px;
            }
            .process-steps {
                grid-template-columns: 1fr 1fr;
                gap: 10px;
            }
            .stats-row {
                grid-template-columns: 1fr 1fr;
                gap: 10px;
            }
            .match-card {
                width: 220px;
            }
            .subscribe-wrapper {
                padding: 24px 18px;
            }
            .fixed-bottom-bar {
                flex-direction: column;
                text-align: center;
                gap: 8px;
                padding: 10px 16px;
            }
            .safety-item {
                padding: 10px 14px;
                font-size: 0.8rem;
            }
        }

        @media (max-width: 520px) {
            body {
                padding-bottom: 100px;
            }
            .process-steps {
                grid-template-columns: 1fr;
            }
            .hero-cta-row {
                flex-direction: column;
                align-items: stretch;
            }
            .hero-cta-row .btn-primary,
            .hero-cta-row .btn-secondary {
                width: 100%;
                justify-content: center;
            }
            .stats-row {
                grid-template-columns: 1fr;
            }
            .footer-inner {
                grid-template-columns: 1fr;
                gap: 20px;
            }
            .header-brand-row {
                flex-wrap: nowrap;
            }
        }

/* roulang page: category2 */
:root {
            --color-primary: #14181F;
            --color-accent: #00D9A6;
            --color-gold: #F5A623;
            --color-danger: #FF4D4F;
            --color-bg: #0F1218;
            --color-bg-secondary: #161B24;
            --color-card: #1A1F2A;
            --color-border: rgba(255, 255, 255, 0.06);
            --color-border-hover: rgba(0, 217, 166, 0.35);
            --color-text-primary: #F5F6FA;
            --color-text-secondary: #A8B0C0;
            --color-text-muted: #6A7280;
            --radius-card: 14px;
            --radius-button: 10px;
            --radius-chip: 20px;
            --shadow-card: 0 8px 24px rgba(0, 0, 0, 0.35);
            --shadow-card-hover: 0 12px 32px rgba(0, 0, 0, 0.5);
            --shadow-focus: 0 0 0 3px rgba(0, 217, 166, 0.25);
            --font-sans: 'Noto Sans SC', 'Source Han Sans SC', 'PingFang SC', 'Microsoft YaHei', system-ui, -apple-system, sans-serif;
            --font-serif: 'Noto Serif SC', 'Source Han Serif SC', 'Songti SC', Georgia, serif;
            --font-mono: 'SF Mono', 'Cascadia Code', 'Roboto Mono', monospace;
            --container-max: 1200px;
            --header-height: 112px;
            --transition-fast: 0.18s ease;
            --transition-base: 0.28s cubic-bezier(0.4, 0, 0.2, 1);
            --transition-slow: 0.45s cubic-bezier(0.4, 0, 0.2, 1);
            --spacing-section: 56px;
            --spacing-section-mobile: 48px;
            --z-header: 50;
            --z-fixed-bar: 60;
        }

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

        html {
            scroll-behavior: smooth;
            -webkit-text-size-adjust: 100%;
            font-size: 16px;
        }

        body {
            font-family: var(--font-serif);
            background-color: var(--color-bg);
            color: var(--color-text-primary);
            line-height: 1.85;
            font-weight: 400;
            min-height: 100vh;
            overflow-x: hidden;
            -webkit-font-smoothing: antialiased;
            -moz-osx-font-smoothing: grayscale;
            padding-bottom: 80px;
        }

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

        a {
            color: var(--color-accent);
            text-decoration: none;
            transition: color var(--transition-fast), opacity var(--transition-fast);
        }

        a:hover {
            color: #1fe6b6;
            text-decoration: underline;
        }

        a:focus-visible {
            outline: none;
            box-shadow: var(--shadow-focus);
            border-radius: 4px;
        }

        button {
            font-family: var(--font-sans);
            cursor: pointer;
            border: none;
            background: none;
            font-size: 1rem;
            transition: all var(--transition-fast);
        }

        button:focus-visible {
            outline: none;
            box-shadow: var(--shadow-focus);
        }

        input {
            font-family: var(--font-sans);
            transition: all var(--transition-fast);
        }

        input:focus-visible {
            outline: none;
        }

        .container {
            max-width: var(--container-max);
            margin: 0 auto;
            padding: 0 clamp(16px, 4vw, 48px);
            width: 100%;
        }

        /* ========== HEADER ========== */
        .site-header {
            position: sticky;
            top: 0;
            z-index: var(--z-header);
            background: rgba(15, 18, 24, 0.92);
            backdrop-filter: blur(16px);
            -webkit-backdrop-filter: blur(16px);
            border-bottom: 1px solid var(--color-border);
        }

        .header-inner {
            display: flex;
            flex-direction: column;
            gap: 8px;
            padding: 14px clamp(16px, 4vw, 48px) 12px;
        }

        .header-brand-row {
            display: flex;
            align-items: center;
            justify-content: space-between;
            gap: 16px;
            flex-wrap: wrap;
        }

        .brand-logo {
            font-family: var(--font-sans);
            font-size: 1.35rem;
            font-weight: 800;
            color: var(--color-text-primary);
            letter-spacing: 0.02em;
            text-decoration: none;
            display: flex;
            align-items: center;
            gap: 8px;
            transition: color var(--transition-fast);
        }

        .brand-logo:hover {
            color: var(--color-accent);
            text-decoration: none;
        }

        .brand-logo .logo-mark {
            width: 28px;
            height: 28px;
            background: var(--color-accent);
            border-radius: 7px;
            display: inline-flex;
            align-items: center;
            justify-content: center;
            font-size: 0.9rem;
            font-weight: 800;
            color: var(--color-primary);
            flex-shrink: 0;
        }

        .header-meta {
            display: flex;
            align-items: center;
            gap: 12px;
            font-family: var(--font-sans);
            font-size: 0.8rem;
            color: var(--color-text-muted);
        }

        .header-meta .status-dot {
            width: 7px;
            height: 7px;
            background: var(--color-accent);
            border-radius: 50%;
            animation: pulse-dot 2.4s ease-in-out infinite;
        }

        @keyframes pulse-dot {
            0%,
            100% {
                opacity: 1;
                box-shadow: 0 0 0 0 rgba(0, 217, 166, 0.4);
            }
            50% {
                opacity: 0.6;
                box-shadow: 0 0 0 6px rgba(0, 217, 166, 0);
            }
        }

        .chip-nav-wrapper {
            position: relative;
            overflow: hidden;
        }

        .chip-nav-wrapper::after {
            content: '';
            position: absolute;
            top: 0;
            right: 0;
            width: 60px;
            height: 100%;
            background: linear-gradient(to right, rgba(15, 18, 24, 0), rgba(15, 18, 24, 0.95));
            pointer-events: none;
            z-index: 1;
            border-radius: 0 var(--radius-chip) var(--radius-chip) 0;
        }

        .chip-nav {
            display: flex;
            gap: 8px;
            overflow-x: auto;
            -webkit-overflow-scrolling: touch;
            scrollbar-width: thin;
            scrollbar-color: rgba(255, 255, 255, 0.15) transparent;
            padding: 4px 2px 12px;
            white-space: nowrap;
            -webkit-mask-image: linear-gradient(to right, black 0%, black calc(100% - 60px), transparent 100%);
            mask-image: linear-gradient(to right, black 0%, black calc(100% - 60px), transparent 100%);
        }

        .chip-nav::-webkit-scrollbar {
            height: 4px;
        }

        .chip-nav::-webkit-scrollbar-track {
            background: transparent;
        }

        .chip-nav::-webkit-scrollbar-thumb {
            background: rgba(255, 255, 255, 0.15);
            border-radius: 4px;
        }

        .chip-link {
            font-family: var(--font-sans);
            font-size: 0.9rem;
            font-weight: 600;
            color: var(--color-text-secondary);
            padding: 7px 18px;
            border-radius: var(--radius-chip);
            border: 1px solid var(--color-border);
            transition: all var(--transition-base);
            white-space: nowrap;
            flex-shrink: 0;
            text-decoration: none;
            display: inline-flex;
            align-items: center;
        }

        .chip-link:hover {
            color: var(--color-accent);
            border-color: var(--color-border-hover);
            text-decoration: none;
            background: rgba(0, 217, 166, 0.05);
        }

        .chip-link.active {
            background: var(--color-accent);
            color: var(--color-primary);
            border-color: var(--color-accent);
            font-weight: 700;
        }

        .chip-link.active:hover {
            color: var(--color-primary);
            background: #1fe6b6;
            border-color: #1fe6b6;
        }

        /* ========== BREADCRUMB ========== */
        .breadcrumb-section {
            padding: 28px 0 0;
        }

        .breadcrumb {
            font-family: var(--font-sans);
            font-size: 0.85rem;
            color: var(--color-text-muted);
            display: flex;
            align-items: center;
            gap: 8px;
            flex-wrap: wrap;
        }

        .breadcrumb a {
            color: var(--color-text-muted);
            text-decoration: none;
            transition: color var(--transition-fast);
        }

        .breadcrumb a:hover {
            color: var(--color-accent);
            text-decoration: none;
        }

        .breadcrumb .separator {
            color: var(--color-text-muted);
            opacity: 0.5;
            font-size: 0.75rem;
        }

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

        /* ========== CATEGORY H1 ========== */
        .category-hero {
            padding: 32px 0 28px;
        }

        .category-hero h1 {
            font-family: var(--font-sans);
            font-size: clamp(1.8rem, 4vw, 2.6rem);
            line-height: 1.2;
            font-weight: 800;
            color: var(--color-text-primary);
            margin-bottom: 16px;
            letter-spacing: 0.01em;
        }

        .category-hero .category-desc {
            font-size: 1rem;
            color: var(--color-text-secondary);
            max-width: 780px;
            line-height: 1.85;
        }

        /* ========== SECTION COMMON ========== */
        .section {
            padding: var(--spacing-section) 0;
        }

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

        .section-title {
            font-family: var(--font-sans);
            font-size: clamp(1.4rem, 3vw, 2rem);
            line-height: 1.3;
            font-weight: 700;
            color: var(--color-text-primary);
            margin-bottom: 12px;
            letter-spacing: 0.01em;
        }

        .section-subtitle {
            font-size: 1rem;
            color: var(--color-text-secondary);
            margin-bottom: 32px;
            max-width: 700px;
        }

        /* ========== CHIPS FILTER ========== */
        .chips-filter-section {
            padding: 16px 0 32px;
        }

        .chips-filter {
            display: flex;
            gap: 10px;
            overflow-x: auto;
            -webkit-overflow-scrolling: touch;
            scrollbar-width: thin;
            scrollbar-color: rgba(255, 255, 255, 0.15) transparent;
            padding: 4px 2px 8px;
            white-space: nowrap;
        }

        .chips-filter::-webkit-scrollbar {
            height: 4px;
        }

        .chips-filter::-webkit-scrollbar-track {
            background: transparent;
        }

        .chips-filter::-webkit-scrollbar-thumb {
            background: rgba(255, 255, 255, 0.15);
            border-radius: 4px;
        }

        .filter-chip {
            font-family: var(--font-sans);
            font-size: 0.85rem;
            font-weight: 500;
            color: var(--color-text-secondary);
            padding: 8px 20px;
            border-radius: var(--radius-chip);
            border: 1px solid var(--color-border);
            background: var(--color-card);
            transition: all var(--transition-base);
            white-space: nowrap;
            flex-shrink: 0;
            text-decoration: none;
            display: inline-flex;
            align-items: center;
            gap: 6px;
        }

        .filter-chip:hover {
            color: var(--color-accent);
            border-color: var(--color-border-hover);
            text-decoration: none;
            background: rgba(0, 217, 166, 0.06);
        }

        .filter-chip:focus-visible {
            outline: none;
            box-shadow: var(--shadow-focus);
        }

        /* ========== CARDS LIST ========== */
        .cards-list {
            display: grid;
            grid-template-columns: repeat(2, 1fr);
            gap: 24px;
        }

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

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

        .list-card .card-cover {
            height: 190px;
            background: var(--color-bg-secondary);
            overflow: hidden;
            position: relative;
        }

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

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

        .list-card .card-body {
            padding: 20px 22px 22px;
            flex: 1;
            display: flex;
            flex-direction: column;
        }

        .card-date {
            font-family: var(--font-sans);
            font-size: 0.8rem;
            color: var(--color-text-muted);
            margin-bottom: 10px;
            letter-spacing: 0.03em;
        }

        .list-card .card-title {
            font-family: var(--font-sans);
            font-size: 1.15rem;
            font-weight: 700;
            line-height: 1.5;
            color: var(--color-text-primary);
            margin-bottom: 10px;
            letter-spacing: 0.01em;
        }

        .list-card .card-summary {
            font-size: 0.95rem;
            color: var(--color-text-secondary);
            flex: 1;
            margin-bottom: 16px;
        }

        .card-link {
            font-family: var(--font-sans);
            font-size: 0.9rem;
            font-weight: 600;
            color: var(--color-accent);
            text-decoration: none;
            display: inline-flex;
            align-items: center;
            gap: 6px;
            transition: all var(--transition-fast);
        }

        .card-link:hover {
            color: #1fe6b6;
            text-decoration: none;
            gap: 10px;
        }

        /* ========== EDITOR PICKS ========== */
        .picks-grid {
            display: grid;
            grid-template-columns: repeat(3, 1fr);
            gap: 18px;
        }

        .pick-card {
            background: rgba(255, 255, 255, 0.03);
            border: 1px solid var(--color-border);
            border-radius: var(--radius-card);
            padding: 18px;
            transition: all var(--transition-base);
            display: flex;
            flex-direction: column;
        }

        .pick-card:hover {
            border-color: var(--color-border-hover);
            background: rgba(0, 217, 166, 0.04);
            transform: translateY(-2px);
        }

        .pick-card .pick-tag {
            font-family: var(--font-sans);
            font-size: 0.75rem;
            font-weight: 600;
            color: var(--color-gold);
            letter-spacing: 0.05em;
            margin-bottom: 8px;
        }

        .pick-card .pick-title {
            font-family: var(--font-sans);
            font-size: 1rem;
            font-weight: 700;
            line-height: 1.5;
            color: var(--color-text-primary);
            margin-bottom: 8px;
        }

        .pick-card .pick-meta {
            font-family: var(--font-sans);
            font-size: 0.8rem;
            color: var(--color-text-muted);
            margin-top: auto;
        }

        .pick-card a {
            text-decoration: none;
            color: inherit;
        }

        .pick-card a:hover {
            text-decoration: none;
            color: inherit;
        }

        /* ========== DATA SNAPSHOT ========== */
        .data-snapshot-grid {
            display: grid;
            grid-template-columns: repeat(4, 1fr);
            gap: 18px;
        }

        .data-snapshot-item {
            background: var(--color-card);
            border: 1px solid var(--color-border);
            border-radius: var(--radius-card);
            padding: 24px 20px;
            text-align: center;
            transition: all var(--transition-base);
        }

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

        .data-snapshot-item .data-value {
            font-family: var(--font-mono);
            font-size: 2rem;
            font-weight: 700;
            color: var(--color-accent);
            line-height: 1.2;
            margin-bottom: 8px;
            letter-spacing: 0.02em;
        }

        .data-snapshot-item .data-label {
            font-family: var(--font-sans);
            font-size: 0.85rem;
            color: var(--color-text-secondary);
            line-height: 1.5;
        }

        .data-snapshot-item .data-trend {
            font-family: var(--font-sans);
            font-size: 0.75rem;
            font-weight: 600;
            color: var(--color-gold);
            margin-top: 6px;
        }

        /* ========== LIGHT CTA ========== */
        .light-cta-section {
            background: var(--color-bg-secondary);
            border: 1px solid var(--color-border);
            border-radius: var(--radius-card);
            padding: 36px 32px;
            display: flex;
            align-items: center;
            justify-content: space-between;
            gap: 24px;
            flex-wrap: wrap;
        }

        .light-cta-text h3 {
            font-family: var(--font-sans);
            font-size: 1.3rem;
            font-weight: 700;
            color: var(--color-text-primary);
            margin-bottom: 8px;
            letter-spacing: 0.01em;
        }

        .light-cta-text p {
            font-size: 0.95rem;
            color: var(--color-text-secondary);
            max-width: 520px;
        }

        .mini-form {
            display: flex;
            gap: 10px;
            flex-wrap: wrap;
            align-items: center;
        }

        .mini-form input {
            background: var(--color-bg);
            border: 1px solid var(--color-border);
            border-radius: var(--radius-button);
            padding: 10px 18px;
            font-size: 0.9rem;
            color: var(--color-text-primary);
            min-width: 240px;
            transition: all var(--transition-fast);
        }

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

        .mini-form input:focus {
            border-color: var(--color-accent);
            box-shadow: var(--shadow-focus);
            outline: none;
        }

        .btn-primary {
            font-family: var(--font-sans);
            font-size: 0.9rem;
            font-weight: 700;
            color: var(--color-primary);
            background: var(--color-accent);
            border-radius: var(--radius-button);
            padding: 10px 22px;
            transition: all var(--transition-fast);
            letter-spacing: 0.01em;
            white-space: nowrap;
        }

        .btn-primary:hover {
            background: #1fe6b6;
            box-shadow: 0 4px 16px rgba(0, 217, 166, 0.3);
        }

        .btn-primary:active {
            background: #00b889;
            transform: scale(0.98);
        }

        .btn-primary:focus-visible {
            outline: none;
            box-shadow: var(--shadow-focus);
        }

        .btn-secondary {
            font-family: var(--font-sans);
            font-size: 0.9rem;
            font-weight: 600;
            color: var(--color-accent);
            background: transparent;
            border: 1px solid var(--color-accent);
            border-radius: var(--radius-button);
            padding: 10px 20px;
            transition: all var(--transition-fast);
            white-space: nowrap;
        }

        .btn-secondary:hover {
            background: rgba(0, 217, 166, 0.1);
            border-color: #1fe6b6;
            color: #1fe6b6;
        }

        .btn-secondary:active {
            background: rgba(0, 217, 166, 0.18);
            transform: scale(0.98);
        }

        .btn-secondary:focus-visible {
            outline: none;
            box-shadow: var(--shadow-focus);
        }

        /* ========== FAQ ========== */
        .faq-list {
            display: flex;
            flex-direction: column;
            gap: 12px;
            max-width: 820px;
        }

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

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

        .faq-question {
            font-family: var(--font-sans);
            font-size: 1.05rem;
            font-weight: 600;
            color: var(--color-text-primary);
            padding: 18px 22px;
            cursor: pointer;
            display: flex;
            align-items: center;
            justify-content: space-between;
            gap: 16px;
            user-select: none;
            transition: color var(--transition-fast);
            position: relative;
        }

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

        .faq-item.open .faq-question::before {
            content: '';
            position: absolute;
            left: 0;
            top: 0;
            bottom: 0;
            width: 3px;
            background: var(--color-accent);
            border-radius: 0 2px 2px 0;
        }

        .faq-question .faq-icon {
            font-size: 1.3rem;
            color: var(--color-text-muted);
            transition: transform var(--transition-base);
            flex-shrink: 0;
            font-family: var(--font-sans);
            font-weight: 400;
            line-height: 1;
        }

        .faq-item.open .faq-icon {
            transform: rotate(180deg);
            color: var(--color-accent);
        }

        .faq-answer {
            font-size: 0.95rem;
            color: var(--color-text-secondary);
            padding: 0 22px 18px;
            line-height: 1.85;
            display: none;
        }

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

        /* ========== MORE LINK ========== */
        .more-section {
            text-align: center;
            padding: 16px 0 24px;
        }

        .more-link {
            font-family: var(--font-sans);
            font-size: 0.95rem;
            font-weight: 600;
            color: var(--color-accent);
            text-decoration: none;
            display: inline-flex;
            align-items: center;
            gap: 8px;
            padding: 12px 28px;
            border: 1px solid var(--color-border);
            border-radius: var(--radius-button);
            transition: all var(--transition-fast);
        }

        .more-link:hover {
            border-color: var(--color-accent);
            background: rgba(0, 217, 166, 0.06);
            text-decoration: none;
            color: #1fe6b6;
        }

        /* ========== FIXED BOTTOM BAR ========== */
        .fixed-bottom-bar {
            position: fixed;
            bottom: 0;
            left: 0;
            right: 0;
            z-index: var(--z-fixed-bar);
            background: rgba(15, 18, 24, 0.95);
            backdrop-filter: blur(14px);
            -webkit-backdrop-filter: blur(14px);
            border-top: 1px solid var(--color-border);
            padding: 12px clamp(16px, 4vw, 48px);
            display: flex;
            align-items: center;
            justify-content: space-between;
            gap: 16px;
            flex-wrap: wrap;
        }

        .fixed-bar-text {
            font-family: var(--font-sans);
            font-size: 0.85rem;
            color: var(--color-text-secondary);
        }

        .fixed-bar-text strong {
            color: var(--color-accent);
            font-weight: 700;
        }

        .fixed-bar-action {
            display: flex;
            align-items: center;
            gap: 12px;
            flex-wrap: wrap;
        }

        /* ========== FOOTER ========== */
        .site-footer {
            background: #0A0D12;
            border-top: 1px solid var(--color-border);
            padding: 48px 0 32px;
            margin-top: 32px;
        }

        .footer-inner {
            display: grid;
            grid-template-columns: 2fr 1fr 1fr;
            gap: 40px;
            margin-bottom: 36px;
        }

        .footer-brand .footer-logo {
            font-family: var(--font-sans);
            font-size: 1.2rem;
            font-weight: 800;
            color: var(--color-text-primary);
            display: flex;
            align-items: center;
            gap: 8px;
            margin-bottom: 14px;
            letter-spacing: 0.02em;
        }

        .footer-brand .footer-logo .logo-mark {
            width: 26px;
            height: 26px;
            background: var(--color-accent);
            border-radius: 6px;
            display: inline-flex;
            align-items: center;
            justify-content: center;
            font-size: 0.8rem;
            font-weight: 800;
            color: var(--color-primary);
            flex-shrink: 0;
        }

        .footer-desc {
            font-size: 0.9rem;
            color: var(--color-text-muted);
            max-width: 360px;
            line-height: 1.7;
        }

        .footer-col-title {
            font-family: var(--font-sans);
            font-size: 0.9rem;
            font-weight: 700;
            color: var(--color-text-primary);
            display: block;
            margin-bottom: 14px;
            letter-spacing: 0.03em;
        }

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

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

        .footer-col ul li a {
            font-family: var(--font-sans);
            font-size: 0.85rem;
            color: var(--color-text-muted);
            text-decoration: none;
            transition: color var(--transition-fast);
        }

        .footer-col ul li a:hover {
            color: var(--color-accent);
            text-decoration: none;
        }

        .footer-bottom {
            border-top: 1px solid var(--color-border);
            padding-top: 20px;
            display: flex;
            align-items: center;
            justify-content: space-between;
            gap: 16px;
            flex-wrap: wrap;
            font-family: var(--font-sans);
            font-size: 0.8rem;
            color: var(--color-text-muted);
        }

        .footer-bottom a {
            color: var(--color-text-muted);
            text-decoration: none;
            transition: color var(--transition-fast);
        }

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

        /* ========== RESPONSIVE ========== */
        @media (max-width: 1024px) {
            :root {
                --spacing-section: 48px;
                --header-height: 98px;
            }

            .cards-list {
                grid-template-columns: 1fr 1fr;
                gap: 18px;
            }

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

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

            .footer-inner {
                grid-template-columns: 1.5fr 1fr 1fr;
                gap: 28px;
            }
        }

        @media (max-width: 768px) {
            :root {
                --spacing-section: 40px;
                --header-height: 96px;
            }

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

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

            .data-snapshot-grid {
                grid-template-columns: repeat(2, 1fr);
                gap: 12px;
            }

            .light-cta-section {
                padding: 28px 22px;
                flex-direction: column;
                text-align: left;
                align-items: flex-start;
            }

            .mini-form {
                width: 100%;
            }

            .mini-form input {
                min-width: 100%;
                flex: 1;
            }

            .footer-inner {
                grid-template-columns: 1fr;
                gap: 28px;
            }

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

        @media (max-width: 520px) {
            :root {
                --spacing-section: 36px;
                --header-height: 92px;
            }

            .header-inner {
                padding: 10px 16px 8px;
            }

            .header-meta {
                font-size: 0.7rem;
                gap: 6px;
            }

            .brand-logo {
                font-size: 1.2rem;
            }

            .brand-logo .logo-mark {
                width: 24px;
                height: 24px;
                font-size: 0.75rem;
            }

            .chip-link {
                font-size: 0.8rem;
                padding: 6px 14px;
            }

            .data-snapshot-grid {
                grid-template-columns: 1fr 1fr;
                gap: 10px;
            }

            .data-snapshot-item .data-value {
                font-size: 1.5rem;
            }

            .list-card .card-cover {
                height: 160px;
            }

            .list-card .card-body {
                padding: 16px 16px 18px;
            }

            .list-card .card-title {
                font-size: 1.05rem;
            }

            .fixed-bottom-bar {
                padding: 10px 16px;
                flex-direction: column;
                text-align: center;
                gap: 8px;
            }

            .fixed-bar-action {
                width: 100%;
                justify-content: center;
            }

            .fixed-bar-text {
                font-size: 0.75rem;
            }
        }

        @media (max-width: 375px) {
            .data-snapshot-grid {
                grid-template-columns: 1fr;
            }

            .container {
                padding: 0 14px;
            }

            .category-hero h1 {
                font-size: 1.6rem;
            }
        }

/* roulang page: category3 */
:root {
            --color-primary: #14181F;
            --color-accent: #00D9A6;
            --color-gold: #F5A623;
            --color-danger: #FF4D4F;
            --color-bg: #0F1218;
            --color-bg-secondary: #161B24;
            --color-card: #1A1F2A;
            --color-border: rgba(255, 255, 255, 0.06);
            --color-border-hover: rgba(0, 217, 166, 0.35);
            --color-text-primary: #F5F6FA;
            --color-text-secondary: #A8B0C0;
            --color-text-muted: #6A7280;
            --radius-card: 14px;
            --radius-button: 10px;
            --radius-chip: 20px;
            --shadow-card: 0 8px 24px rgba(0, 0, 0, 0.35);
            --shadow-card-hover: 0 12px 32px rgba(0, 0, 0, 0.5);
            --shadow-focus: 0 0 0 3px rgba(0, 217, 166, 0.25);
            --font-sans: 'Noto Sans SC', 'Source Han Sans SC', 'PingFang SC', 'Microsoft YaHei', system-ui, -apple-system, sans-serif;
            --font-serif: 'Noto Serif SC', 'Source Han Serif SC', 'Songti SC', Georgia, serif;
            --font-mono: 'SF Mono', 'Cascadia Code', 'Roboto Mono', monospace;
            --container-max: 1200px;
            --header-height: 112px;
            --transition-fast: 0.18s ease;
            --transition-base: 0.28s cubic-bezier(0.4, 0, 0.2, 1);
            --transition-slow: 0.45s cubic-bezier(0.4, 0, 0.2, 1);
            --spacing-section: 72px;
            --spacing-section-mobile: 48px;
            --z-header: 50;
            --z-fixed-bar: 60;
        }
        @media (max-width: 768px) {
            :root {
                --spacing-section: 48px;
                --header-height: 98px;
            }
        }
        html {
            scroll-behavior: smooth;
            -webkit-text-size-adjust: 100%;
            font-size: 16px;
        }
        body {
            font-family: var(--font-serif);
            background-color: var(--color-bg);
            color: var(--color-text-primary);
            line-height: 1.85;
            font-weight: 400;
            min-height: 100vh;
            overflow-x: hidden;
            -webkit-font-smoothing: antialiased;
            -moz-osx-font-smoothing: grayscale;
            padding-bottom: 80px;
            margin: 0;
        }
        img {
            max-width: 100%;
            height: auto;
            display: block;
        }
        a {
            color: var(--color-accent);
            text-decoration: none;
            transition: color var(--transition-fast), opacity var(--transition-fast);
        }
        a:hover {
            color: #1fe6b6;
            text-decoration: underline;
        }
        a:focus-visible {
            outline: none;
            box-shadow: var(--shadow-focus);
            border-radius: 4px;
        }
        button {
            font-family: var(--font-sans);
            cursor: pointer;
            border: none;
            background: none;
            font-size: 1rem;
            transition: all var(--transition-fast);
        }
        button:focus-visible {
            outline: none;
            box-shadow: var(--shadow-focus);
        }
        input {
            font-family: var(--font-sans);
            transition: all var(--transition-fast);
        }
        input:focus-visible {
            outline: none;
        }
        .container {
            max-width: var(--container-max);
            margin: 0 auto;
            padding: 0 clamp(16px, 4vw, 48px);
            width: 100%;
            box-sizing: border-box;
        }
        /* ========== HEADER ========== */
        .site-header {
            position: sticky;
            top: 0;
            z-index: var(--z-header);
            background: rgba(15, 18, 24, 0.92);
            backdrop-filter: blur(16px);
            -webkit-backdrop-filter: blur(16px);
            border-bottom: 1px solid var(--color-border);
        }
        .header-inner {
            display: flex;
            flex-direction: column;
            gap: 8px;
            padding: 14px clamp(16px, 4vw, 48px) 12px;
        }
        .header-brand-row {
            display: flex;
            align-items: center;
            justify-content: space-between;
            gap: 16px;
            flex-wrap: wrap;
        }
        .brand-logo {
            font-family: var(--font-sans);
            font-size: 1.35rem;
            font-weight: 800;
            color: var(--color-text-primary);
            letter-spacing: 0.02em;
            text-decoration: none;
            display: flex;
            align-items: center;
            gap: 8px;
            transition: color var(--transition-fast);
        }
        .brand-logo:hover {
            color: var(--color-accent);
            text-decoration: none;
        }
        .brand-logo .logo-mark {
            width: 28px;
            height: 28px;
            background: var(--color-accent);
            border-radius: 7px;
            display: inline-flex;
            align-items: center;
            justify-content: center;
            font-size: 0.9rem;
            font-weight: 800;
            color: var(--color-primary);
            flex-shrink: 0;
        }
        .header-meta {
            display: flex;
            align-items: center;
            gap: 12px;
            font-family: var(--font-sans);
            font-size: 0.8rem;
            color: var(--color-text-muted);
        }
        .header-meta .status-dot {
            width: 7px;
            height: 7px;
            background: var(--color-accent);
            border-radius: 50%;
            animation: pulse-dot 2.4s ease-in-out infinite;
        }
        .chip-nav-wrapper {
            position: relative;
            overflow: visible;
        }
        .chip-nav-wrapper::after {
            content: '';
            position: absolute;
            top: 0;
            right: 0;
            width: 48px;
            height: 100%;
            background: linear-gradient(to left, rgba(15, 18, 24, 0.95), transparent);
            pointer-events: none;
            border-radius: 0;
        }
        .chip-nav {
            display: flex;
            gap: 10px;
            overflow-x: auto;
            -webkit-overflow-scrolling: touch;
            scrollbar-width: thin;
            scrollbar-color: rgba(0, 217, 166, 0.3) transparent;
            padding: 4px 52px 4px 0;
            flex-wrap: nowrap;
        }
        .chip-nav::-webkit-scrollbar {
            height: 4px;
        }
        .chip-nav::-webkit-scrollbar-track {
            background: transparent;
        }
        .chip-nav::-webkit-scrollbar-thumb {
            background: rgba(0, 217, 166, 0.3);
            border-radius: 4px;
        }
        .chip-link {
            display: inline-flex;
            align-items: center;
            padding: 8px 18px;
            border-radius: var(--radius-chip);
            font-family: var(--font-sans);
            font-size: 0.85rem;
            font-weight: 500;
            color: var(--color-text-secondary);
            border: 1px solid var(--color-border);
            background: transparent;
            white-space: nowrap;
            flex-shrink: 0;
            transition: all var(--transition-fast);
            text-decoration: none;
        }
        .chip-link:hover {
            color: var(--color-text-primary);
            border-color: var(--color-border-hover);
            text-decoration: none;
            background: rgba(0, 217, 166, 0.05);
        }
        .chip-link.active {
            background: var(--color-accent);
            color: var(--color-primary);
            border-color: var(--color-accent);
            font-weight: 700;
        }
        .chip-link:focus-visible {
            outline: none;
            box-shadow: var(--shadow-focus);
        }
        @keyframes pulse-dot {
            0%, 100% {
                opacity: 1;
                transform: scale(1);
            }
            50% {
                opacity: 0.4;
                transform: scale(0.8);
            }
        }
        /* ========== PAGE HERO / BREADCRUMB ========== */
        .page-head {
            padding: 36px 0 24px;
            background: var(--color-bg-secondary);
            border-bottom: 1px solid var(--color-border);
        }
        .breadcrumb {
            font-family: var(--font-sans);
            font-size: 0.82rem;
            color: var(--color-text-muted);
            display: flex;
            gap: 8px;
            align-items: center;
            flex-wrap: wrap;
            margin-bottom: 14px;
        }
        .breadcrumb a {
            color: var(--color-text-secondary);
            text-decoration: none;
        }
        .breadcrumb a:hover {
            color: var(--color-accent);
            text-decoration: underline;
        }
        .breadcrumb .sep {
            color: var(--color-text-muted);
            opacity: 0.6;
        }
        .breadcrumb .current {
            color: var(--color-accent);
            font-weight: 500;
        }
        .page-head h1 {
            font-family: var(--font-sans);
            font-size: clamp(1.8rem, 4vw, 2.6rem);
            font-weight: 800;
            line-height: 1.2;
            margin: 0 0 12px;
            color: var(--color-text-primary);
            letter-spacing: 0.01em;
        }
        .page-head .lead {
            font-family: var(--font-serif);
            font-size: 1rem;
            line-height: 1.85;
            color: var(--color-text-secondary);
            max-width: 820px;
            margin: 0;
        }
        /* ========== SECTION TYPOGRAPHY ========== */
        .section {
            padding: 48px 0;
            box-sizing: border-box;
        }
        .section.alt-bg {
            background: var(--color-bg-secondary);
            border-top: 1px solid var(--color-border);
            border-bottom: 1px solid var(--color-border);
        }
        .section-label {
            font-family: var(--font-sans);
            font-size: 0.75rem;
            font-weight: 700;
            letter-spacing: 0.08em;
            text-transform: uppercase;
            color: var(--color-accent);
            display: block;
            margin-bottom: 10px;
        }
        .section-title {
            font-family: var(--font-sans);
            font-size: clamp(1.4rem, 3vw, 1.9rem);
            font-weight: 700;
            line-height: 1.3;
            color: var(--color-text-primary);
            margin: 0 0 10px;
            letter-spacing: 0.01em;
        }
        .section-sub {
            font-family: var(--font-serif);
            font-size: 0.95rem;
            line-height: 1.8;
            color: var(--color-text-secondary);
            max-width: 680px;
            margin: 0 0 24px;
        }
        /* ========== CHIPS FILTER ========== */
        .filter-chips {
            display: flex;
            gap: 10px;
            overflow-x: auto;
            -webkit-overflow-scrolling: touch;
            scrollbar-width: thin;
            scrollbar-color: rgba(0, 217, 166, 0.3) transparent;
            padding-bottom: 6px;
            flex-wrap: nowrap;
        }
        .filter-chips::-webkit-scrollbar {
            height: 4px;
        }
        .filter-chips::-webkit-scrollbar-thumb {
            background: rgba(0, 217, 166, 0.3);
            border-radius: 4px;
        }
        .filter-chip {
            display: inline-flex;
            align-items: center;
            padding: 7px 16px;
            border-radius: var(--radius-chip);
            font-family: var(--font-sans);
            font-size: 0.8rem;
            color: var(--color-text-secondary);
            border: 1px solid var(--color-border);
            background: transparent;
            white-space: nowrap;
            flex-shrink: 0;
            transition: all var(--transition-fast);
            text-decoration: none;
            cursor: pointer;
        }
        .filter-chip:hover {
            color: var(--color-accent);
            border-color: var(--color-border-hover);
            background: rgba(0, 217, 166, 0.05);
            text-decoration: none;
        }
        .filter-chip.active {
            background: var(--color-accent);
            color: var(--color-primary);
            border-color: var(--color-accent);
            font-weight: 700;
        }
        /* ========== CARD GRID ========== */
        .card-grid {
            display: grid;
            grid-template-columns: repeat(12, 1fr);
            gap: 24px;
        }
        .card-grid.col-2 {
            grid-template-columns: repeat(2, 1fr);
        }
        .card-grid.col-3 {
            grid-template-columns: repeat(3, 1fr);
        }
        .card-grid.col-4 {
            grid-template-columns: repeat(4, 1fr);
        }
        /* ========== FEATURE CARD ========== */
        .data-card {
            background: var(--color-card);
            border: 1px solid var(--color-border);
            border-radius: var(--radius-card);
            padding: 24px;
            box-shadow: var(--shadow-card);
            transition: all var(--transition-base);
            position: relative;
            overflow: hidden;
            box-sizing: border-box;
        }
        .data-card:hover {
            border-color: var(--color-border-hover);
            box-shadow: var(--shadow-card-hover);
            transform: translateY(-3px);
        }
        .data-card .card-icon {
            width: 40px;
            height: 40px;
            border-radius: 10px;
            display: flex;
            align-items: center;
            justify-content: center;
            font-size: 1.1rem;
            margin-bottom: 14px;
            background: rgba(0, 217, 166, 0.1);
            color: var(--color-accent);
            flex-shrink: 0;
        }
        .data-card .card-icon.gold {
            background: rgba(245, 166, 35, 0.1);
            color: var(--color-gold);
        }
        .data-card .card-icon.red {
            background: rgba(255, 77, 79, 0.1);
            color: var(--color-danger);
        }
        .data-card h3 {
            font-family: var(--font-sans);
            font-size: 1.1rem;
            font-weight: 700;
            line-height: 1.4;
            color: var(--color-text-primary);
            margin: 0 0 8px;
        }
        .data-card p {
            font-family: var(--font-serif);
            font-size: 0.9rem;
            line-height: 1.75;
            color: var(--color-text-secondary);
            margin: 0;
        }
        /* ========== ARTICLE CARD ========== */
        .article-card {
            background: var(--color-card);
            border: 1px solid var(--color-border);
            border-radius: var(--radius-card);
            overflow: hidden;
            box-shadow: var(--shadow-card);
            transition: all var(--transition-base);
            display: flex;
            flex-direction: column;
            box-sizing: border-box;
        }
        .article-card:hover {
            border-color: var(--color-border-hover);
            box-shadow: var(--shadow-card-hover);
            transform: translateY(-3px);
        }
        .article-card .article-img {
            width: 100%;
            height: 180px;
            object-fit: cover;
            background: var(--color-bg-secondary);
            display: block;
        }
        .article-card .article-body {
            padding: 18px 20px 20px;
            display: flex;
            flex-direction: column;
            gap: 10px;
            flex: 1;
        }
        .article-card .article-meta {
            font-family: var(--font-sans);
            font-size: 0.78rem;
            color: var(--color-text-muted);
            display: flex;
            align-items: center;
            gap: 10px;
        }
        .article-card .article-meta .tag {
            background: rgba(0, 217, 166, 0.1);
            color: var(--color-accent);
            padding: 2px 10px;
            border-radius: 20px;
            font-size: 0.7rem;
            font-weight: 600;
        }
        .article-card h3 {
            font-family: var(--font-sans);
            font-size: 1.05rem;
            font-weight: 700;
            line-height: 1.45;
            color: var(--color-text-primary);
            margin: 0;
        }
        .article-card p {
            font-family: var(--font-serif);
            font-size: 0.88rem;
            line-height: 1.7;
            color: var(--color-text-secondary);
            margin: 0;
            flex: 1;
        }
        .article-card .btn-read {
            align-self: flex-start;
            font-family: var(--font-sans);
            font-size: 0.8rem;
            font-weight: 600;
            color: var(--color-accent);
            text-decoration: none;
            transition: all var(--transition-fast);
            display: inline-flex;
            align-items: center;
            gap: 4px;
        }
        .article-card .btn-read:hover {
            color: #1fe6b6;
            text-decoration: underline;
        }
        /* ========== STATIC DATA ========== */
        .stat-block {
            display: grid;
            grid-template-columns: repeat(4, 1fr);
            gap: 20px;
        }
        .stat-item {
            background: var(--color-card);
            border: 1px solid var(--color-border);
            border-radius: var(--radius-card);
            padding: 20px 18px;
            text-align: center;
            box-shadow: var(--shadow-card);
            transition: all var(--transition-base);
        }
        .stat-item:hover {
            border-color: var(--color-border-hover);
            box-shadow: var(--shadow-card-hover);
        }
        .stat-item .stat-value {
            font-family: var(--font-mono);
            font-size: 1.7rem;
            font-weight: 700;
            color: var(--color-accent);
            line-height: 1.2;
            display: block;
            margin-bottom: 4px;
        }
        .stat-item .stat-value.gold {
            color: var(--color-gold);
        }
        .stat-item .stat-label {
            font-family: var(--font-sans);
            font-size: 0.8rem;
            color: var(--color-text-secondary);
            line-height: 1.4;
        }
        /* ========== HOT CARDS ========== */
        .hot-row {
            display: grid;
            grid-template-columns: repeat(3, 1fr);
            gap: 20px;
        }
        .hot-card {
            background: var(--color-bg-secondary);
            border: 1px solid var(--color-border);
            border-radius: var(--radius-card);
            padding: 16px;
            transition: all var(--transition-base);
            display: flex;
            gap: 14px;
            align-items: center;
            box-sizing: border-box;
        }
        .hot-card:hover {
            border-color: var(--color-border-hover);
            box-shadow: var(--shadow-card-hover);
        }
        .hot-card .hot-img {
            width: 76px;
            height: 76px;
            border-radius: 8px;
            object-fit: cover;
            flex-shrink: 0;
            background: var(--color-card);
        }
        .hot-card .hot-info h3 {
            font-family: var(--font-sans);
            font-size: 0.9rem;
            font-weight: 700;
            color: var(--color-text-primary);
            margin: 0 0 4px;
            line-height: 1.4;
        }
        .hot-card .hot-info p {
            font-family: var(--font-sans);
            font-size: 0.78rem;
            color: var(--color-text-muted);
            margin: 0;
            line-height: 1.5;
        }
        /* ========== FORM ========== */
        .inline-form {
            display: flex;
            gap: 10px;
            max-width: 520px;
            flex-wrap: wrap;
        }
        .inline-form input {
            flex: 1;
            min-width: 200px;
            padding: 12px 16px;
            border-radius: var(--radius-button);
            border: 1px solid var(--color-border);
            background: var(--color-card);
            color: var(--color-text-primary);
            font-size: 0.9rem;
            box-sizing: border-box;
            transition: all var(--transition-fast);
        }
        .inline-form input:focus {
            border-color: var(--color-accent);
            box-shadow: var(--shadow-focus);
        }
        .inline-form input::placeholder {
            color: var(--color-text-muted);
        }
        .btn-primary {
            display: inline-flex;
            align-items: center;
            justify-content: center;
            padding: 12px 24px;
            border-radius: var(--radius-button);
            font-family: var(--font-sans);
            font-size: 0.9rem;
            font-weight: 700;
            background: var(--color-accent);
            color: var(--color-primary);
            transition: all var(--transition-fast);
            text-decoration: none;
            border: none;
            cursor: pointer;
            letter-spacing: 0.02em;
        }
        .btn-primary:hover {
            background: #1fe6b6;
            text-decoration: none;
            color: var(--color-primary);
        }
        .btn-primary:active {
            background: #00c497;
        }
        .btn-primary:focus-visible {
            outline: none;
            box-shadow: var(--shadow-focus);
        }
        .btn-secondary {
            display: inline-flex;
            align-items: center;
            justify-content: center;
            padding: 11px 22px;
            border-radius: var(--radius-button);
            font-family: var(--font-sans);
            font-size: 0.9rem;
            font-weight: 600;
            background: transparent;
            color: var(--color-accent);
            border: 1px solid var(--color-accent);
            transition: all var(--transition-fast);
            text-decoration: none;
            cursor: pointer;
            letter-spacing: 0.02em;
        }
        .btn-secondary:hover {
            background: rgba(0, 217, 166, 0.1);
            text-decoration: none;
            color: var(--color-accent);
        }
        .btn-secondary:focus-visible {
            outline: none;
            box-shadow: var(--shadow-focus);
        }
        /* ========== FAQ ========== */
        .faq-list {
            display: flex;
            flex-direction: column;
            gap: 12px;
            max-width: 820px;
        }
        .faq-item {
            background: var(--color-card);
            border: 1px solid var(--color-border);
            border-radius: var(--radius-card);
            overflow: hidden;
            transition: all var(--transition-base);
        }
        .faq-item:hover {
            border-color: var(--color-border-hover);
        }
        .faq-q {
            font-family: var(--font-sans);
            font-size: 1rem;
            font-weight: 600;
            color: var(--color-text-primary);
            padding: 16px 20px;
            display: flex;
            align-items: center;
            gap: 12px;
            cursor: pointer;
            margin: 0;
            border: none;
            background: transparent;
            text-align: left;
            width: 100%;
            box-sizing: border-box;
            transition: all var(--transition-fast);
        }
        .faq-q:hover {
            color: var(--color-accent);
        }
        .faq-q .faq-indicator {
            width: 20px;
            height: 20px;
            border-radius: 4px;
            background: rgba(0, 217, 166, 0.1);
            color: var(--color-accent);
            display: flex;
            align-items: center;
            justify-content: center;
            font-size: 0.7rem;
            font-weight: 700;
            flex-shrink: 0;
            transition: all var(--transition-fast);
        }
        .faq-item.open .faq-indicator {
            background: var(--color-accent);
            color: var(--color-primary);
        }
        .faq-a {
            padding: 0 20px 18px;
            font-family: var(--font-serif);
            font-size: 0.9rem;
            line-height: 1.75;
            color: var(--color-text-secondary);
            display: none;
        }
        .faq-item.open .faq-a {
            display: block;
        }
        .faq-item.open {
            border-left: 3px solid var(--color-accent);
        }
        /* ========== FOOTER ========== */
        .site-footer {
            background: var(--color-primary);
            border-top: 1px solid var(--color-border);
            padding: 48px 0 24px;
            margin-top: 48px;
        }
        .footer-inner {
            display: grid;
            grid-template-columns: 2fr 1fr 1fr;
            gap: 40px;
            margin-bottom: 32px;
        }
        .footer-brand .footer-logo {
            font-family: var(--font-sans);
            font-size: 1.2rem;
            font-weight: 800;
            color: var(--color-text-primary);
            display: flex;
            align-items: center;
            gap: 8px;
            margin-bottom: 12px;
            letter-spacing: 0.02em;
        }
        .footer-brand .footer-logo .logo-mark {
            width: 26px;
            height: 26px;
            background: var(--color-accent);
            border-radius: 7px;
            display: inline-flex;
            align-items: center;
            justify-content: center;
            font-size: 0.8rem;
            font-weight: 800;
            color: var(--color-primary);
        }
        .footer-brand .footer-desc {
            font-family: var(--font-serif);
            font-size: 0.85rem;
            line-height: 1.75;
            color: var(--color-text-secondary);
            margin: 0;
            max-width: 360px;
        }
        .footer-col-title {
            font-family: var(--font-sans);
            font-size: 0.85rem;
            font-weight: 700;
            color: var(--color-text-primary);
            display: block;
            margin-bottom: 12px;
            letter-spacing: 0.03em;
        }
        .footer-col ul {
            list-style: none;
            margin: 0;
            padding: 0;
        }
        .footer-col ul li {
            margin-bottom: 8px;
        }
        .footer-col ul li a {
            font-family: var(--font-sans);
            font-size: 0.85rem;
            color: var(--color-text-secondary);
            text-decoration: none;
            transition: color var(--transition-fast);
        }
        .footer-col ul li a:hover {
            color: var(--color-accent);
            text-decoration: underline;
        }
        .footer-bottom {
            border-top: 1px solid var(--color-border);
            padding-top: 20px;
            display: flex;
            align-items: center;
            justify-content: space-between;
            flex-wrap: wrap;
            gap: 12px;
            font-family: var(--font-sans);
            font-size: 0.78rem;
            color: var(--color-text-muted);
        }
        .footer-bottom a {
            color: var(--color-text-secondary);
            text-decoration: none;
        }
        .footer-bottom a:hover {
            color: var(--color-accent);
            text-decoration: underline;
        }
        /* ========== BOTTOM FIXED BAR ========== */
        .fixed-cta-bar {
            position: fixed;
            bottom: 0;
            left: 0;
            right: 0;
            z-index: var(--z-fixed-bar);
            background: rgba(15, 18, 24, 0.95);
            backdrop-filter: blur(16px);
            -webkit-backdrop-filter: blur(16px);
            border-top: 1px solid var(--color-border);
            padding: 12px clamp(16px, 4vw, 48px);
            display: flex;
            align-items: center;
            justify-content: space-between;
            gap: 16px;
            flex-wrap: wrap;
            box-sizing: border-box;
        }
        .fixed-cta-bar .cta-text {
            font-family: var(--font-sans);
            font-size: 0.85rem;
            color: var(--color-text-secondary);
            line-height: 1.4;
        }
        .fixed-cta-bar .cta-text strong {
            color: var(--color-text-primary);
            font-weight: 700;
        }
        /* ========== RESPONSIVE ========== */
        @media (max-width: 1024px) {
            .card-grid.col-4 {
                grid-template-columns: repeat(2, 1fr);
            }
            .stat-block {
                grid-template-columns: repeat(2, 1fr);
            }
            .hot-row {
                grid-template-columns: repeat(2, 1fr);
            }
            .footer-inner {
                grid-template-columns: 1fr 1fr;
            }
        }
        @media (max-width: 768px) {
            .card-grid.col-2,
            .card-grid.col-3,
            .card-grid.col-4 {
                grid-template-columns: 1fr;
            }
            .hot-row {
                grid-template-columns: 1fr;
            }
            .stat-block {
                grid-template-columns: repeat(2, 1fr);
                gap: 12px;
            }
            .footer-inner {
                grid-template-columns: 1fr;
                gap: 28px;
            }
            .fixed-cta-bar {
                flex-direction: column;
                align-items: stretch;
                text-align: center;
            }
            .fixed-cta-bar .btn-primary {
                width: 100%;
            }
            .page-head {
                padding: 28px 0 18px;
            }
            .section {
                padding: 36px 0;
            }
            .article-card .article-img {
                height: 160px;
            }
            .inline-form {
                flex-direction: column;
            }
            .inline-form input {
                min-width: auto;
                width: 100%;
            }
        }
        @media (max-width: 520px) {
            .stat-block {
                grid-template-columns: 1fr 1fr;
                gap: 10px;
            }
            .stat-item {
                padding: 14px 10px;
            }
            .stat-item .stat-value {
                font-size: 1.3rem;
            }
            .article-card .article-img {
                height: 140px;
            }
            .header-inner {
                padding: 10px 16px 8px;
            }
            .chip-nav {
                padding-right: 44px;
            }
            .chip-link {
                padding: 6px 14px;
                font-size: 0.78rem;
            }
        }
        /* ========== UTILITY ========== */
        .sr-only {
            position: absolute;
            width: 1px;
            height: 1px;
            padding: 0;
            margin: -1px;
            overflow: hidden;
            clip: rect(0, 0, 0, 0);
            white-space: nowrap;
            border-width: 0;
        }
        .text-accent {
            color: var(--color-accent);
        }
        .text-gold {
            color: var(--color-gold);
        }
        .text-danger {
            color: var(--color-danger);
        }
        .mt-0 {
            margin-top: 0;
        }
        .mb-0 {
            margin-bottom: 0;
        }
        .w-full {
            width: 100%;
        }

/* roulang page: category1 */
:root {
            --color-primary: #14181F;
            --color-accent: #00D9A6;
            --color-gold: #F5A623;
            --color-danger: #FF4D4F;
            --color-bg: #0F1218;
            --color-bg-secondary: #161B24;
            --color-card: #1A1F2A;
            --color-border: rgba(255, 255, 255, 0.06);
            --color-border-hover: rgba(0, 217, 166, 0.35);
            --color-text-primary: #F5F6FA;
            --color-text-secondary: #A8B0C0;
            --color-text-muted: #6A7280;
            --radius-card: 14px;
            --radius-button: 10px;
            --radius-chip: 20px;
            --shadow-card: 0 8px 24px rgba(0, 0, 0, 0.35);
            --shadow-card-hover: 0 12px 32px rgba(0, 0, 0, 0.5);
            --shadow-focus: 0 0 0 3px rgba(0, 217, 166, 0.25);
            --font-sans: 'Noto Sans SC', 'Source Han Sans SC', 'PingFang SC', 'Microsoft YaHei', system-ui, -apple-system, sans-serif;
            --font-serif: 'Noto Serif SC', 'Source Han Serif SC', 'Songti SC', Georgia, serif;
            --font-mono: 'SF Mono', 'Cascadia Code', 'Roboto Mono', monospace;
            --container-max: 1200px;
            --header-height: 112px;
            --transition-fast: 0.18s ease;
            --transition-base: 0.28s cubic-bezier(0.4, 0, 0.2, 1);
            --transition-slow: 0.45s cubic-bezier(0.4, 0, 0.2, 1);
            --spacing-section: 72px;
            --spacing-section-mobile: 48px;
            --z-header: 50;
            --z-fixed-bar: 60;
        }

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

        html {
            scroll-behavior: smooth;
            -webkit-text-size-adjust: 100%;
            font-size: 16px;
        }

        body {
            font-family: var(--font-serif);
            background-color: var(--color-bg);
            color: var(--color-text-primary);
            line-height: 1.85;
            font-weight: 400;
            min-height: 100vh;
            overflow-x: hidden;
            -webkit-font-smoothing: antialiased;
            -moz-osx-font-smoothing: grayscale;
            padding-bottom: 80px;
        }

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

        a {
            color: var(--color-accent);
            text-decoration: none;
            transition: color var(--transition-fast), opacity var(--transition-fast), box-shadow var(--transition-fast);
        }
        a:hover {
            color: #1fe6b6;
            text-decoration: underline;
        }
        a:focus-visible {
            outline: none;
            box-shadow: var(--shadow-focus);
            border-radius: 4px;
        }

        button {
            font-family: var(--font-sans);
            cursor: pointer;
            border: none;
            background: none;
            font-size: 1rem;
            transition: all var(--transition-fast);
        }
        button:focus-visible {
            outline: none;
            box-shadow: var(--shadow-focus);
        }

        input {
            font-family: var(--font-sans);
            transition: all var(--transition-fast);
        }
        input:focus-visible {
            outline: none;
        }

        .container {
            max-width: var(--container-max);
            margin: 0 auto;
            padding: 0 clamp(16px, 4vw, 48px);
            width: 100%;
        }

        /* ========== HEADER ========== */
        .site-header {
            position: sticky;
            top: 0;
            z-index: var(--z-header);
            background: rgba(15, 18, 24, 0.92);
            backdrop-filter: blur(16px);
            -webkit-backdrop-filter: blur(16px);
            border-bottom: 1px solid var(--color-border);
        }
        .header-inner {
            display: flex;
            flex-direction: column;
            gap: 8px;
            padding: 14px clamp(16px, 4vw, 48px) 12px;
        }
        .header-brand-row {
            display: flex;
            align-items: center;
            justify-content: space-between;
            gap: 16px;
            flex-wrap: wrap;
        }
        .brand-logo {
            font-family: var(--font-sans);
            font-size: 1.35rem;
            font-weight: 800;
            color: var(--color-text-primary);
            letter-spacing: 0.02em;
            text-decoration: none;
            display: flex;
            align-items: center;
            gap: 8px;
            transition: color var(--transition-fast);
        }
        .brand-logo:hover {
            color: var(--color-accent);
            text-decoration: none;
        }
        .brand-logo .logo-mark {
            width: 28px;
            height: 28px;
            background: var(--color-accent);
            border-radius: 7px;
            display: inline-flex;
            align-items: center;
            justify-content: center;
            font-size: 0.9rem;
            font-weight: 800;
            color: var(--color-primary);
            flex-shrink: 0;
        }
        .header-meta {
            display: flex;
            align-items: center;
            gap: 12px;
            font-family: var(--font-sans);
            font-size: 0.8rem;
            color: var(--color-text-muted);
        }
        .header-meta .status-dot {
            width: 7px;
            height: 7px;
            background: var(--color-accent);
            border-radius: 50%;
            animation: pulse-dot 2.4s ease-in-out infinite;
        }
        @keyframes pulse-dot {
            0%, 100% { opacity: 1; transform: scale(1); }
            50% { opacity: 0.4; transform: scale(0.8); }
        }
        .chip-nav-wrapper {
            position: relative;
            overflow: hidden;
        }
        .chip-nav-wrapper::after {
            content: '';
            position: absolute;
            top: 0;
            right: 0;
            bottom: 0;
            width: 48px;
            background: linear-gradient(to right, rgba(15, 18, 24, 0), rgba(15, 18, 24, 0.9));
            pointer-events: none;
            z-index: 2;
        }
        .chip-nav {
            display: flex;
            gap: 8px;
            overflow-x: auto;
            -webkit-overflow-scrolling: touch;
            scrollbar-width: thin;
            scrollbar-color: rgba(0, 217, 166, 0.4) transparent;
            padding: 4px 0 6px;
            position: relative;
            z-index: 1;
        }
        .chip-nav::-webkit-scrollbar {
            height: 4px;
        }
        .chip-nav::-webkit-scrollbar-track {
            background: transparent;
        }
        .chip-nav::-webkit-scrollbar-thumb {
            background: rgba(0, 217, 166, 0.35);
            border-radius: 4px;
        }
        .chip-link {
            flex-shrink: 0;
            padding: 7px 18px;
            border-radius: var(--radius-chip);
            font-family: var(--font-sans);
            font-size: 0.88rem;
            font-weight: 600;
            color: var(--color-text-secondary);
            border: 1px solid var(--color-border);
            transition: all var(--transition-fast);
            text-decoration: none;
            white-space: nowrap;
        }
        .chip-link:hover {
            border-color: var(--color-border-hover);
            color: var(--color-accent);
            text-decoration: none;
            background: rgba(0, 217, 166, 0.05);
        }
        .chip-link.active {
            background: var(--color-accent);
            color: var(--color-primary);
            border-color: var(--color-accent);
            font-weight: 700;
        }
        .chip-link.active:hover {
            color: var(--color-primary);
            background: var(--color-accent);
        }

        /* ========== MAIN ========== */
        main {
            display: block;
        }
        .section {
            padding: var(--spacing-section) 0;
        }
        .section:first-of-type {
            padding-top: 48px;
        }
        .section-alt {
            background-color: var(--color-bg-secondary);
            border-top: 1px solid var(--color-border);
            border-bottom: 1px solid var(--color-border);
        }

        .section-title {
            font-family: var(--font-sans);
            font-size: clamp(1.5rem, 3vw, 2rem);
            font-weight: 700;
            line-height: 1.3;
            color: var(--color-text-primary);
            margin-bottom: 8px;
        }
        .section-subtitle {
            font-size: 1rem;
            color: var(--color-text-secondary);
            line-height: 1.8;
            max-width: 720px;
            margin-bottom: 28px;
        }
        .section-head {
            margin-bottom: 24px;
        }

        /* ========== BREADCRUMB ========== */
        .breadcrumb {
            display: flex;
            align-items: center;
            gap: 8px;
            font-family: var(--font-sans);
            font-size: 0.85rem;
            color: var(--color-text-muted);
            margin-bottom: 16px;
            flex-wrap: wrap;
        }
        .breadcrumb a {
            color: var(--color-text-secondary);
            text-decoration: none;
            transition: color var(--transition-fast);
        }
        .breadcrumb a:hover {
            color: var(--color-accent);
        }
        .breadcrumb .separator {
            color: var(--color-text-muted);
            font-size: 0.7rem;
        }
        .breadcrumb .current {
            color: var(--color-accent);
            font-weight: 600;
        }

        /* ========== CATEGORY H1 ========== */
        .category-hero {
            display: grid;
            grid-template-columns: 1fr;
            gap: 24px;
            padding: 28px 0 12px;
        }
        .category-hero h1 {
            font-family: var(--font-sans);
            font-size: clamp(1.75rem, 4vw, 2.5rem);
            font-weight: 800;
            line-height: 1.2;
            color: var(--color-text-primary);
            letter-spacing: -0.01em;
        }
        .category-hero .category-desc {
            font-size: 1rem;
            color: var(--color-text-secondary);
            line-height: 1.85;
            max-width: 800px;
        }
        .category-hero .accent-text {
            color: var(--color-accent);
        }

        /* ========== SUBTOPIC CHIPS ========== */
        .subtopic-chips {
            display: flex;
            gap: 10px;
            overflow-x: auto;
            -webkit-overflow-scrolling: touch;
            padding: 8px 0 12px;
            scrollbar-width: thin;
            scrollbar-color: rgba(0, 217, 166, 0.35) transparent;
            position: relative;
        }
        .subtopic-chips::-webkit-scrollbar {
            height: 4px;
        }
        .subtopic-chips::-webkit-scrollbar-thumb {
            background: rgba(0, 217, 166, 0.35);
            border-radius: 4px;
        }
        .subtopic-chip {
            flex-shrink: 0;
            padding: 6px 16px;
            border-radius: var(--radius-chip);
            font-family: var(--font-sans);
            font-size: 0.82rem;
            font-weight: 500;
            color: var(--color-text-secondary);
            background: var(--color-card);
            border: 1px solid var(--color-border);
            text-decoration: none;
            transition: all var(--transition-fast);
            white-space: nowrap;
        }
        .subtopic-chip:hover {
            border-color: var(--color-border-hover);
            color: var(--color-accent);
            text-decoration: none;
            background: rgba(0, 217, 166, 0.06);
        }

        /* ========== ARTICLE CARDS ========== */
        .article-grid {
            display: grid;
            grid-template-columns: 1fr;
            gap: 20px;
        }
        .article-card {
            background: var(--color-card);
            border: 1px solid var(--color-border);
            border-radius: var(--radius-card);
            overflow: hidden;
            display: flex;
            flex-direction: column;
            transition: transform var(--transition-base), box-shadow var(--transition-base), border-color var(--transition-base);
            box-shadow: var(--shadow-card);
        }
        .article-card:hover {
            transform: translateY(-3px);
            box-shadow: var(--shadow-card-hover);
            border-color: var(--color-border-hover);
        }
        .article-card-cover {
            width: 100%;
            height: 180px;
            background: var(--color-bg-secondary);
            overflow: hidden;
            position: relative;
            flex-shrink: 0;
        }
        .article-card-cover img {
            width: 100%;
            height: 100%;
            object-fit: cover;
            transition: transform var(--transition-slow);
        }
        .article-card:hover .article-card-cover img {
            transform: scale(1.04);
        }
        .article-card-body {
            padding: 20px 20px 18px;
            display: flex;
            flex-direction: column;
            gap: 10px;
            flex: 1;
        }
        .article-card-date {
            font-family: var(--font-sans);
            font-size: 0.78rem;
            color: var(--color-text-muted);
            display: flex;
            align-items: center;
            gap: 6px;
        }
        .article-card-date .date-dot {
            width: 5px;
            height: 5px;
            background: var(--color-accent);
            border-radius: 50%;
            flex-shrink: 0;
        }
        .article-card-title {
            font-family: var(--font-sans);
            font-size: 1.08rem;
            font-weight: 700;
            line-height: 1.4;
            color: var(--color-text-primary);
            text-decoration: none;
            transition: color var(--transition-fast);
        }
        .article-card-title a {
            color: inherit;
            text-decoration: none;
        }
        .article-card-title a:hover {
            color: var(--color-accent);
            text-decoration: none;
        }
        .article-card-summary {
            font-size: 0.9rem;
            color: var(--color-text-secondary);
            line-height: 1.75;
            flex: 1;
        }
        .article-card-meta {
            display: flex;
            align-items: center;
            justify-content: space-between;
            gap: 12px;
            flex-wrap: wrap;
            margin-top: 4px;
        }
        .article-tag {
            font-family: var(--font-sans);
            font-size: 0.72rem;
            color: var(--color-text-secondary);
            background: rgba(255, 255, 255, 0.04);
            padding: 3px 10px;
            border-radius: 10px;
            border: 1px solid var(--color-border);
        }
        .btn-read-more {
            font-family: var(--font-sans);
            font-size: 0.82rem;
            font-weight: 600;
            color: var(--color-accent);
            padding: 6px 14px;
            border-radius: var(--radius-button);
            border: 1px solid var(--color-border-hover);
            text-decoration: none;
            transition: all var(--transition-fast);
            white-space: nowrap;
            display: inline-flex;
            align-items: center;
            gap: 4px;
        }
        .btn-read-more:hover {
            background: rgba(0, 217, 166, 0.08);
            border-color: var(--color-accent);
            text-decoration: none;
        }
        .btn-read-more .arrow {
            transition: transform var(--transition-fast);
            font-size: 0.8rem;
        }
        .btn-read-more:hover .arrow {
            transform: translateX(3px);
        }

        /* ========== EDITOR PICKS ========== */
        .picks-grid {
            display: grid;
            grid-template-columns: 1fr;
            gap: 14px;
        }
        .pick-card {
            background: var(--color-bg-secondary);
            border: 1px solid var(--color-border);
            border-radius: 10px;
            padding: 14px 16px;
            display: flex;
            align-items: center;
            gap: 14px;
            transition: all var(--transition-fast);
            text-decoration: none;
        }
        .pick-card:hover {
            border-color: var(--color-border-hover);
            background: rgba(0, 217, 166, 0.04);
            text-decoration: none;
        }
        .pick-card-img {
            width: 64px;
            height: 64px;
            border-radius: 8px;
            overflow: hidden;
            flex-shrink: 0;
            background: var(--color-card);
        }
        .pick-card-img img {
            width: 100%;
            height: 100%;
            object-fit: cover;
        }
        .pick-card-info {
            flex: 1;
            min-width: 0;
        }
        .pick-card-title {
            font-family: var(--font-sans);
            font-size: 0.92rem;
            font-weight: 600;
            color: var(--color-text-primary);
            line-height: 1.4;
            margin-bottom: 4px;
            display: -webkit-box;
            -webkit-line-clamp: 2;
            -webkit-box-orient: vertical;
            overflow: hidden;
        }
        .pick-card-date {
            font-family: var(--font-sans);
            font-size: 0.72rem;
            color: var(--color-text-muted);
        }
        .pick-badge {
            font-family: var(--font-sans);
            font-size: 0.65rem;
            font-weight: 700;
            color: var(--color-primary);
            background: var(--color-accent);
            padding: 2px 8px;
            border-radius: 8px;
            flex-shrink: 0;
            letter-spacing: 0.03em;
        }

        /* ========== DATA SNAPSHOT ========== */
        .snapshot-grid {
            display: grid;
            grid-template-columns: repeat(2, 1fr);
            gap: 14px;
        }
        .snapshot-item {
            background: var(--color-card);
            border: 1px solid var(--color-border);
            border-radius: var(--radius-card);
            padding: 20px 18px;
            text-align: center;
            transition: all var(--transition-fast);
        }
        .snapshot-item:hover {
            border-color: var(--color-border-hover);
            box-shadow: var(--shadow-card);
        }
        .snapshot-value {
            font-family: var(--font-mono);
            font-size: 1.6rem;
            font-weight: 700;
            color: var(--color-accent);
            line-height: 1.2;
            margin-bottom: 4px;
        }
        .snapshot-value.gold {
            color: var(--color-gold);
        }
        .snapshot-value.danger {
            color: var(--color-danger);
        }
        .snapshot-label {
            font-family: var(--font-sans);
            font-size: 0.82rem;
            color: var(--color-text-secondary);
            line-height: 1.5;
        }

        /* ========== LIGHT CTA ========== */
        .light-cta {
            background: var(--color-card);
            border: 1px solid var(--color-border);
            border-radius: var(--radius-card);
            padding: 28px 24px;
            display: flex;
            flex-direction: column;
            gap: 16px;
            align-items: flex-start;
        }
        .light-cta-title {
            font-family: var(--font-sans);
            font-size: 1.1rem;
            font-weight: 700;
            color: var(--color-text-primary);
        }
        .light-cta-form {
            display: flex;
            gap: 10px;
            flex-wrap: wrap;
            width: 100%;
            max-width: 480px;
        }
        .light-cta-input {
            flex: 1;
            min-width: 200px;
            padding: 10px 16px;
            border-radius: var(--radius-button);
            background: var(--color-bg-secondary);
            border: 1px solid var(--color-border);
            color: var(--color-text-primary);
            font-size: 0.9rem;
            font-family: var(--font-sans);
        }
        .light-cta-input::placeholder {
            color: var(--color-text-muted);
        }
        .light-cta-input:focus {
            border-color: var(--color-accent);
            box-shadow: var(--shadow-focus);
        }
        .btn-primary {
            padding: 10px 20px;
            border-radius: var(--radius-button);
            background: var(--color-accent);
            color: var(--color-primary);
            font-weight: 700;
            font-size: 0.88rem;
            font-family: var(--font-sans);
            letter-spacing: 0.02em;
            white-space: nowrap;
            transition: all var(--transition-fast);
        }
        .btn-primary:hover {
            filter: brightness(1.06);
            transform: translateY(-1px);
            box-shadow: 0 4px 12px rgba(0, 217, 166, 0.3);
        }
        .btn-primary:active {
            filter: brightness(0.94);
            transform: translateY(0);
        }

        /* ========== FAQ ========== */
        .faq-list {
            display: flex;
            flex-direction: column;
            gap: 12px;
        }
        .faq-item {
            background: var(--color-card);
            border: 1px solid var(--color-border);
            border-radius: 12px;
            overflow: hidden;
            transition: border-color var(--transition-fast);
        }
        .faq-item.open {
            border-color: var(--color-border-hover);
        }
        .faq-question {
            width: 100%;
            padding: 18px 20px;
            display: flex;
            align-items: center;
            justify-content: space-between;
            gap: 12px;
            cursor: pointer;
            font-family: var(--font-sans);
            font-size: 0.98rem;
            font-weight: 600;
            color: var(--color-text-primary);
            text-align: left;
            transition: color var(--transition-fast);
            border-left: 3px solid transparent;
        }
        .faq-item.open .faq-question {
            border-left-color: var(--color-accent);
            color: var(--color-accent);
        }
        .faq-question:hover {
            color: var(--color-accent);
        }
        .faq-icon {
            flex-shrink: 0;
            width: 22px;
            height: 22px;
            display: flex;
            align-items: center;
            justify-content: center;
            font-size: 1.1rem;
            color: var(--color-text-muted);
            transition: transform var(--transition-base), color var(--transition-fast);
            font-family: var(--font-sans);
        }
        .faq-item.open .faq-icon {
            transform: rotate(45deg);
            color: var(--color-accent);
        }
        .faq-answer {
            max-height: 0;
            overflow: hidden;
            transition: max-height var(--transition-base), padding var(--transition-base), opacity var(--transition-base);
            padding: 0 20px;
            opacity: 0;
        }
        .faq-item.open .faq-answer {
            max-height: 360px;
            padding: 0 20px 18px;
            opacity: 1;
        }
        .faq-answer p {
            font-size: 0.9rem;
            color: var(--color-text-secondary);
            line-height: 1.8;
        }

        /* ========== VIEW MORE ========== */
        .view-more-wrapper {
            display: flex;
            justify-content: center;
            padding: 16px 0 8px;
        }
        .btn-view-more {
            padding: 12px 28px;
            border-radius: var(--radius-button);
            background: transparent;
            color: var(--color-accent);
            font-family: var(--font-sans);
            font-size: 0.9rem;
            font-weight: 600;
            border: 1px solid var(--color-border);
            transition: all var(--transition-fast);
            text-decoration: none;
            display: inline-flex;
            align-items: center;
            gap: 8px;
        }
        .btn-view-more:hover {
            border-color: var(--color-accent);
            background: rgba(0, 217, 166, 0.06);
            text-decoration: none;
        }

        /* ========== FOOTER ========== */
        .site-footer {
            background: var(--color-primary);
            border-top: 1px solid var(--color-border);
            padding: 40px 0 20px;
            margin-top: 0;
        }
        .footer-inner {
            display: grid;
            grid-template-columns: 1fr;
            gap: 28px;
            padding-bottom: 24px;
            border-bottom: 1px solid var(--color-border);
            margin-bottom: 16px;
        }
        .footer-brand {
            display: flex;
            flex-direction: column;
            gap: 10px;
        }
        .footer-logo {
            font-family: var(--font-sans);
            font-size: 1.15rem;
            font-weight: 800;
            color: var(--color-text-primary);
            display: flex;
            align-items: center;
            gap: 8px;
        }
        .footer-logo .logo-mark {
            width: 24px;
            height: 24px;
            background: var(--color-accent);
            border-radius: 6px;
            display: inline-flex;
            align-items: center;
            justify-content: center;
            font-size: 0.75rem;
            font-weight: 800;
            color: var(--color-primary);
            flex-shrink: 0;
        }
        .footer-desc {
            font-size: 0.85rem;
            color: var(--color-text-secondary);
            line-height: 1.75;
            max-width: 360px;
        }
        .footer-col {
            display: flex;
            flex-direction: column;
            gap: 8px;
        }
        .footer-col-title {
            font-family: var(--font-sans);
            font-size: 0.82rem;
            font-weight: 700;
            color: var(--color-text-primary);
            letter-spacing: 0.06em;
            margin-bottom: 4px;
        }
        .footer-col ul {
            list-style: none;
            display: flex;
            flex-direction: column;
            gap: 6px;
        }
        .footer-col ul a {
            font-family: var(--font-sans);
            font-size: 0.85rem;
            color: var(--color-text-secondary);
            text-decoration: none;
            transition: color var(--transition-fast);
        }
        .footer-col ul a:hover {
            color: var(--color-accent);
            text-decoration: none;
        }
        .footer-bottom {
            display: flex;
            flex-direction: column;
            gap: 8px;
            align-items: flex-start;
            font-family: var(--font-sans);
            font-size: 0.78rem;
            color: var(--color-text-muted);
        }
        .footer-bottom a {
            color: var(--color-text-muted);
            text-decoration: none;
        }
        .footer-bottom a:hover {
            color: var(--color-accent);
        }

        /* ========== FIXED BOTTOM CTA ========== */
        .fixed-cta-bar {
            position: fixed;
            bottom: 0;
            left: 0;
            right: 0;
            z-index: var(--z-fixed-bar);
            background: rgba(15, 18, 24, 0.95);
            backdrop-filter: blur(18px);
            -webkit-backdrop-filter: blur(18px);
            border-top: 1px solid var(--color-border);
            padding: 10px clamp(16px, 4vw, 48px);
            display: flex;
            align-items: center;
            justify-content: space-between;
            gap: 12px;
            flex-wrap: wrap;
        }
        .fixed-cta-text {
            font-family: var(--font-sans);
            font-size: 0.82rem;
            color: var(--color-text-secondary);
            flex: 1;
            min-width: 200px;
        }
        .fixed-cta-text strong {
            color: var(--color-text-primary);
            font-weight: 700;
        }
        .btn-accent-sm {
            padding: 8px 18px;
            border-radius: var(--radius-button);
            background: var(--color-accent);
            color: var(--color-primary);
            font-weight: 700;
            font-size: 0.82rem;
            font-family: var(--font-sans);
            white-space: nowrap;
            text-decoration: none;
            transition: all var(--transition-fast);
        }
        .btn-accent-sm:hover {
            filter: brightness(1.06);
            text-decoration: none;
            transform: translateY(-1px);
            box-shadow: 0 4px 12px rgba(0, 217, 166, 0.3);
        }

        /* ========== RESPONSIVE ========== */
        @media (max-width: 1024px) {
            :root {
                --spacing-section: 56px;
            }
            .section {
                padding: var(--spacing-section) 0;
            }
            .section:first-of-type {
                padding-top: 36px;
            }
        }

        @media (max-width: 768px) {
            :root {
                --spacing-section: 48px;
                --header-height: 98px;
            }
            .section {
                padding: var(--spacing-section) 0;
            }
            .section:first-of-type {
                padding-top: 28px;
            }
            .header-inner {
                padding: 10px clamp(16px, 4vw, 48px) 8px;
                gap: 4px;
            }
            .brand-logo {
                font-size: 1.15rem;
            }
            .brand-logo .logo-mark {
                width: 24px;
                height: 24px;
                font-size: 0.75rem;
            }
            .header-meta {
                font-size: 0.7rem;
                gap: 8px;
            }
            .chip-link {
                padding: 6px 14px;
                font-size: 0.8rem;
            }
            .article-card-cover {
                height: 160px;
            }
            .article-card-body {
                padding: 16px 16px 14px;
            }
            .article-card-title {
                font-size: 0.98rem;
            }
            .article-card-summary {
                font-size: 0.85rem;
            }
            .snapshot-grid {
                grid-template-columns: repeat(2, 1fr);
                gap: 10px;
            }
            .snapshot-value {
                font-size: 1.3rem;
            }
            .snapshot-item {
                padding: 14px 12px;
            }
            .light-cta {
                padding: 20px 16px;
            }
            .light-cta-form {
                flex-direction: column;
                gap: 8px;
            }
            .light-cta-input {
                width: 100%;
                min-width: 0;
            }
            .btn-primary {
                width: 100%;
                text-align: center;
            }
            .fixed-cta-bar {
                padding: 8px clamp(16px, 4vw, 48px);
                gap: 8px;
            }
            .fixed-cta-text {
                font-size: 0.74rem;
            }
            .btn-accent-sm {
                padding: 7px 14px;
                font-size: 0.75rem;
            }
            .footer-inner {
                grid-template-columns: 1fr;
                gap: 20px;
            }
            .category-hero h1 {
                font-size: clamp(1.5rem, 5vw, 2rem);
            }
            .category-hero .category-desc {
                font-size: 0.92rem;
            }
        }

        @media (max-width: 520px) {
            .article-grid {
                gap: 14px;
            }
            .article-card-cover {
                height: 140px;
            }
            .article-card-summary {
                -webkit-line-clamp: 3;
                display: -webkit-box;
                -webkit-box-orient: vertical;
                overflow: hidden;
            }
            .article-card-meta {
                flex-direction: column;
                align-items: flex-start;
                gap: 8px;
            }
            .btn-read-more {
                align-self: flex-start;
            }
            .snapshot-grid {
                grid-template-columns: 1fr 1fr;
                gap: 8px;
            }
            .snapshot-value {
                font-size: 1.1rem;
            }
            .snapshot-label {
                font-size: 0.72rem;
            }
            .pick-card-img {
                width: 48px;
                height: 48px;
            }
            .pick-card-title {
                font-size: 0.82rem;
            }
            .faq-question {
                font-size: 0.88rem;
                padding: 14px 16px;
            }
            .faq-answer p {
                font-size: 0.82rem;
            }
            .faq-item.open .faq-answer {
                padding: 0 16px 14px;
            }
            .fixed-cta-bar {
                flex-direction: column;
                align-items: flex-start;
            }
            .fixed-cta-text {
                min-width: 0;
                width: 100%;
            }
            .btn-accent-sm {
                width: 100%;
                text-align: center;
            }
            body {
                padding-bottom: 120px;
            }
        }

        @media (min-width: 768px) {
            .article-grid {
                grid-template-columns: repeat(2, 1fr);
                gap: 20px;
            }
            .picks-grid {
                grid-template-columns: repeat(3, 1fr);
                gap: 14px;
            }
            .snapshot-grid {
                grid-template-columns: repeat(4, 1fr);
                gap: 14px;
            }
            .footer-inner {
                grid-template-columns: 1.5fr 1fr 1fr;
                gap: 32px;
            }
            .footer-bottom {
                flex-direction: row;
                justify-content: space-between;
                align-items: center;
            }
            .light-cta {
                flex-direction: row;
                align-items: center;
                justify-content: space-between;
                gap: 20px;
            }
            .light-cta-form {
                max-width: 400px;
            }
        }

        @media (min-width: 1024px) {
            .article-grid {
                grid-template-columns: repeat(2, 1fr);
                gap: 24px;
            }
            .section:first-of-type {
                padding-top: 56px;
            }
        }

.chip-nav-wrapper.scrolled-to-end::after {
            opacity: 0;
            transition: opacity var(--transition-base);
        }
        .chip-nav-wrapper::after {
            transition: opacity var(--transition-base);
        }

/* roulang page: category4 */
:root {
  --color-primary: #14181F;
  --color-accent: #00D9A6;
  --color-gold: #F5A623;
  --color-danger: #FF4D4F;
  --color-bg: #0F1218;
  --color-bg-secondary: #161B24;
  --color-card: #1A1F2A;
  --color-border: rgba(255, 255, 255, 0.06);
  --color-border-hover: rgba(0, 217, 166, 0.35);
  --color-text-primary: #F5F6FA;
  --color-text-secondary: #A8B0C0;
  --color-text-muted: #6A7280;
  --radius-card: 14px;
  --radius-button: 10px;
  --radius-chip: 20px;
  --shadow-card: 0 8px 24px rgba(0, 0, 0, 0.35);
  --shadow-card-hover: 0 12px 32px rgba(0, 0, 0, 0.5);
  --shadow-focus: 0 0 0 3px rgba(0, 217, 166, 0.25);
  --font-sans: 'Noto Sans SC', 'Source Han Sans SC', 'PingFang SC', 'Microsoft YaHei', system-ui, -apple-system, sans-serif;
  --font-serif: 'Noto Serif SC', 'Source Han Serif SC', 'Songti SC', Georgia, serif;
  --font-mono: 'SF Mono', 'Cascadia Code', 'Roboto Mono', monospace;
  --container-max: 1200px;
  --header-height: 112px;
  --transition-fast: 0.18s ease;
  --transition-base: 0.28s cubic-bezier(0.4, 0, 0.2, 1);
  --transition-slow: 0.45s cubic-bezier(0.4, 0, 0.2, 1);
  --spacing-section: 64px;
  --spacing-section-mobile: 44px;
  --z-header: 50;
  --z-fixed-bar: 60;
}

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

html {
  scroll-behavior: smooth;
  -webkit-text-size-adjust: 100%;
  font-size: 16px;
}

body {
  font-family: var(--font-serif);
  background-color: var(--color-bg);
  color: var(--color-text-primary);
  line-height: 1.85;
  font-weight: 400;
  min-height: 100vh;
  overflow-x: hidden;
  -webkit-font-smoothing: antialiased;
  -moz-osx-font-smoothing: grayscale;
  padding-bottom: 86px;
}

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

a {
  color: var(--color-accent);
  text-decoration: none;
  transition: color var(--transition-fast), opacity var(--transition-fast), box-shadow var(--transition-fast);
}

a:hover {
  color: #1fe6b6;
  text-decoration: underline;
}

a:focus-visible {
  outline: none;
  box-shadow: var(--shadow-focus);
  border-radius: 4px;
}

button {
  font-family: var(--font-sans);
  cursor: pointer;
  border: none;
  background: none;
  font-size: 1rem;
  transition: all var(--transition-fast);
}

button:focus-visible {
  outline: none;
  box-shadow: var(--shadow-focus);
}

input {
  font-family: var(--font-sans);
  transition: all var(--transition-fast);
}

input:focus-visible {
  outline: none;
}

.container {
  max-width: var(--container-max);
  margin: 0 auto;
  padding: 0 clamp(16px, 4vw, 48px);
  width: 100%;
}

/* ========== HEADER ========== */
.site-header {
  position: sticky;
  top: 0;
  z-index: var(--z-header);
  background: rgba(15, 18, 24, 0.92);
  backdrop-filter: blur(16px);
  -webkit-backdrop-filter: blur(16px);
  border-bottom: 1px solid var(--color-border);
}

.header-inner {
  display: flex;
  flex-direction: column;
  gap: 8px;
  padding: 14px clamp(16px, 4vw, 48px) 12px;
}

.header-brand-row {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 16px;
  flex-wrap: wrap;
}

.brand-logo {
  font-family: var(--font-sans);
  font-size: 1.35rem;
  font-weight: 800;
  color: var(--color-text-primary);
  letter-spacing: 0.02em;
  text-decoration: none;
  display: flex;
  align-items: center;
  gap: 8px;
  transition: color var(--transition-fast);
}

.brand-logo:hover {
  color: var(--color-accent);
  text-decoration: none;
}

.brand-logo .logo-mark {
  width: 28px;
  height: 28px;
  background: var(--color-accent);
  border-radius: 7px;
  display: inline-flex;
  align-items: center;
  justify-content: center;
  font-size: 0.9rem;
  font-weight: 800;
  color: var(--color-primary);
  flex-shrink: 0;
}

.header-meta {
  display: flex;
  align-items: center;
  gap: 12px;
  font-family: var(--font-sans);
  font-size: 0.8rem;
  color: var(--color-text-muted);
}

.header-meta .status-dot {
  width: 7px;
  height: 7px;
  background: var(--color-accent);
  border-radius: 50%;
  animation: pulse-dot 2.4s ease-in-out infinite;
}

@keyframes pulse-dot {
  0%, 100% { opacity: 1; box-shadow: 0 0 0 0 rgba(0, 217, 166, 0.5); }
  50% { opacity: 0.7; box-shadow: 0 0 0 6px rgba(0, 217, 166, 0); }
}

.chip-nav-wrapper {
  position: relative;
  width: 100%;
}

.chip-nav-wrapper::after {
  content: '';
  position: absolute;
  top: 0;
  right: 0;
  width: 48px;
  height: 100%;
  background: linear-gradient(to right, rgba(15, 18, 24, 0), rgba(15, 18, 24, 0.9));
  pointer-events: none;
  border-radius: 0 var(--radius-chip) var(--radius-chip) 0;
}

.chip-nav {
  display: flex;
  gap: 10px;
  overflow-x: auto;
  -webkit-overflow-scrolling: touch;
  scrollbar-width: thin;
  scrollbar-color: rgba(255, 255, 255, 0.1) transparent;
  padding: 4px 4px 6px 0;
  white-space: nowrap;
}

.chip-nav::-webkit-scrollbar {
  height: 4px;
}

.chip-nav::-webkit-scrollbar-track {
  background: transparent;
}

.chip-nav::-webkit-scrollbar-thumb {
  background: rgba(255, 255, 255, 0.1);
  border-radius: 4px;
}

.chip-link {
  font-family: var(--font-sans);
  font-size: 0.9rem;
  font-weight: 600;
  padding: 8px 18px;
  border-radius: var(--radius-chip);
  border: 1px solid rgba(255, 255, 255, 0.14);
  color: var(--color-text-secondary);
  background: transparent;
  transition: all var(--transition-fast);
  text-decoration: none;
  flex-shrink: 0;
  letter-spacing: 0.01em;
}

.chip-link:hover {
  color: var(--color-text-primary);
  border-color: rgba(0, 217, 166, 0.45);
  background: rgba(0, 217, 166, 0.06);
  text-decoration: none;
}

.chip-link.active {
  background: var(--color-accent);
  color: var(--color-primary);
  border-color: var(--color-accent);
  font-weight: 700;
}

.chip-link:focus-visible {
  outline: none;
  box-shadow: var(--shadow-focus);
}

/* ========== MAIN CONTENT ========== */
main {
  display: block;
}

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

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

.section-heading {
  font-family: var(--font-sans);
  font-size: 2rem;
  font-weight: 800;
  color: var(--color-text-primary);
  line-height: 1.3;
  letter-spacing: 0.01em;
  margin-bottom: 12px;
}

.section-subheading {
  font-family: var(--font-sans);
  font-size: 1rem;
  color: var(--color-text-secondary);
  max-width: 720px;
  line-height: 1.8;
  margin-bottom: 32px;
}

/* Breadcrumb */
.breadcrumb {
  font-family: var(--font-sans);
  font-size: 0.85rem;
  color: var(--color-text-muted);
  margin-bottom: 18px;
  display: flex;
  align-items: center;
  flex-wrap: wrap;
  gap: 6px;
}

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

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

.breadcrumb .sep {
  color: var(--color-text-muted);
  user-select: none;
}

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

/* Page H1 area */
.page-header {
  padding: clamp(32px, 6vw, 56px) 0 28px;
  border-bottom: 1px solid var(--color-border);
  background: radial-gradient(circle at 15% 20%, rgba(0, 217, 166, 0.06), transparent 40%);
}

.page-header h1 {
  font-family: var(--font-sans);
  font-size: clamp(1.8rem, 4vw, 2.5rem);
  font-weight: 800;
  color: var(--color-text-primary);
  line-height: 1.25;
  letter-spacing: 0.015em;
  margin-bottom: 14px;
}

.page-header .page-description {
  font-size: 1rem;
  color: var(--color-text-secondary);
  max-width: 780px;
  line-height: 1.9;
}

/* Filter chips */
.filter-chips {
  display: flex;
  gap: 10px;
  overflow-x: auto;
  -webkit-overflow-scrolling: touch;
  scrollbar-width: thin;
  scrollbar-color: rgba(255, 255, 255, 0.1) transparent;
  padding: 6px 2px 10px 0;
  margin-bottom: 12px;
  position: relative;
}

.filter-chips::-webkit-scrollbar {
  height: 5px;
}

.filter-chips::-webkit-scrollbar-track {
  background: transparent;
}

.filter-chips::-webkit-scrollbar-thumb {
  background: rgba(255, 255, 255, 0.12);
  border-radius: 4px;
}

.chip-filter {
  font-family: var(--font-sans);
  font-size: 0.88rem;
  font-weight: 600;
  padding: 8px 18px;
  border-radius: var(--radius-chip);
  border: 1px solid rgba(255, 255, 255, 0.1);
  color: var(--color-text-secondary);
  background: transparent;
  transition: all var(--transition-fast);
  text-decoration: none;
  flex-shrink: 0;
  line-height: 1.4;
}

.chip-filter:hover {
  color: var(--color-text-primary);
  border-color: var(--color-border-hover);
  background: rgba(0, 217, 166, 0.08);
  text-decoration: none;
}

.chip-filter:focus-visible {
  outline: none;
  box-shadow: var(--shadow-focus);
}

/* List cards */
.article-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 24px;
}

.article-card {
  background: var(--color-card);
  border: 1px solid var(--color-border);
  border-radius: var(--radius-card);
  overflow: hidden;
  transition: all var(--transition-base);
  display: flex;
  flex-direction: column;
  text-decoration: none;
  color: var(--color-text-primary);
}

.article-card:hover {
  transform: translateY(-3px);
  border-color: var(--color-border-hover);
  box-shadow: var(--shadow-card-hover);
  text-decoration: none;
}

.article-card .card-image {
  position: relative;
  height: 180px;
  overflow: hidden;
  background: #11151e;
}

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

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

.article-card .card-image .image-overlay {
  position: absolute;
  inset: 0;
  background: linear-gradient(to bottom, transparent 40%, rgba(10, 13, 18, 0.85));
  pointer-events: none;
}

.article-card .card-image .card-tag {
  position: absolute;
  top: 12px;
  left: 12px;
  background: rgba(15, 18, 24, 0.85);
  backdrop-filter: blur(6px);
  border: 1px solid rgba(0, 217, 166, 0.4);
  color: var(--color-accent);
  font-family: var(--font-sans);
  font-size: 0.75rem;
  font-weight: 700;
  padding: 4px 12px;
  border-radius: 20px;
  letter-spacing: 0.03em;
}

.article-card .card-body {
  padding: 18px 20px 22px;
  display: flex;
  flex-direction: column;
  flex: 1;
}

.article-card .card-date {
  font-family: var(--font-sans);
  font-size: 0.8rem;
  color: var(--color-text-muted);
  margin-bottom: 10px;
  display: flex;
  align-items: center;
  gap: 6px;
}

.article-card .card-date::before {
  content: '';
  width: 5px;
  height: 5px;
  background: var(--color-accent);
  border-radius: 50%;
  display: inline-block;
}

.article-card h3 {
  font-family: var(--font-sans);
  font-size: 1.12rem;
  font-weight: 700;
  color: var(--color-text-primary);
  line-height: 1.45;
  margin-bottom: 10px;
  letter-spacing: 0.01em;
}

.article-card .card-summary {
  font-size: 0.92rem;
  color: var(--color-text-secondary);
  line-height: 1.8;
  flex: 1;
  margin-bottom: 16px;
}

.article-card .read-more {
  font-family: var(--font-sans);
  font-size: 0.85rem;
  font-weight: 700;
  color: var(--color-accent);
  display: inline-flex;
  align-items: center;
  gap: 6px;
  transition: all var(--transition-fast);
  text-decoration: none;
}

.article-card .read-more::after {
  content: '→';
  transition: transform var(--transition-fast);
}

.article-card .read-more:hover {
  color: #1fe6b6;
  text-decoration: none;
}

.article-card .read-more:hover::after {
  transform: translateX(4px);
}

/* Featured list */
.featured-list {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 18px;
}

.featured-card {
  background: #141A24;
  border: 1px solid rgba(255, 255, 255, 0.08);
  border-radius: 12px;
  padding: 16px;
  display: flex;
  align-items: center;
  gap: 14px;
  transition: all var(--transition-fast);
  text-decoration: none;
  color: var(--color-text-primary);
}

.featured-card:hover {
  border-color: rgba(245, 166, 35, 0.4);
  background: #171d29;
  transform: translateY(-2px);
  text-decoration: none;
}

.featured-card img {
  width: 56px;
  height: 56px;
  border-radius: 8px;
  object-fit: cover;
  flex-shrink: 0;
}

.featured-card .fc-content {
  flex: 1;
  min-width: 0;
}

.featured-card .fc-tag {
  font-family: var(--font-sans);
  font-size: 0.72rem;
  font-weight: 700;
  color: var(--color-gold);
  letter-spacing: 0.04em;
  display: block;
  margin-bottom: 4px;
}

.featured-card .fc-title {
  font-family: var(--font-sans);
  font-size: 0.95rem;
  font-weight: 700;
  color: var(--color-text-primary);
  line-height: 1.45;
  overflow: hidden;
  text-overflow: ellipsis;
  white-space: nowrap;
}

/* Data snapshot */
.data-snapshot {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 18px;
}

.data-item {
  background: var(--color-card);
  border: 1px solid var(--color-border);
  border-radius: 12px;
  padding: 22px 20px;
  text-align: left;
  transition: all var(--transition-base);
}

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

.data-item .data-label {
  font-family: var(--font-sans);
  font-size: 0.82rem;
  color: var(--color-text-muted);
  margin-bottom: 8px;
  letter-spacing: 0.02em;
}

.data-item .data-value {
  font-family: var(--font-sans);
  font-size: 2rem;
  font-weight: 800;
  color: var(--color-accent);
  line-height: 1.2;
  letter-spacing: 0.01em;
}

.data-item .data-note {
  font-family: var(--font-sans);
  font-size: 0.8rem;
  color: var(--color-text-muted);
  margin-top: 6px;
}

/* Subscribe CTA */
.subscribe-box {
  background: var(--color-card);
  border: 1px solid var(--color-border);
  border-radius: var(--radius-card);
  padding: 32px 28px;
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 24px;
  flex-wrap: wrap;
  background-image: radial-gradient(circle at 85% 30%, rgba(245, 166, 35, 0.06), transparent 35%);
}

.subscribe-box .sb-text {
  flex: 1;
  min-width: 260px;
}

.subscribe-box .sb-title {
  font-family: var(--font-sans);
  font-size: 1.2rem;
  font-weight: 700;
  color: var(--color-text-primary);
  margin-bottom: 6px;
}

.subscribe-box .sb-desc {
  font-size: 0.92rem;
  color: var(--color-text-secondary);
  line-height: 1.7;
}

.subscribe-box .sb-form {
  display: flex;
  gap: 10px;
  flex-shrink: 0;
  flex-wrap: wrap;
}

.subscribe-box input[type="email"] {
  background: var(--color-bg);
  border: 1px solid rgba(255, 255, 255, 0.14);
  border-radius: var(--radius-button);
  padding: 12px 16px;
  color: var(--color-text-primary);
  font-size: 0.9rem;
  min-width: 240px;
  width: 100%;
  max-width: 320px;
  transition: all var(--transition-fast);
}

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

.subscribe-box input[type="email"]:focus {
  border-color: var(--color-accent);
  box-shadow: 0 0 0 3px rgba(0, 217, 166, 0.18);
  outline: none;
}

.btn {
  font-family: var(--font-sans);
  font-size: 0.9rem;
  font-weight: 700;
  padding: 12px 22px;
  border-radius: var(--radius-button);
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 8px;
  text-decoration: none;
  transition: all var(--transition-fast);
  cursor: pointer;
  letter-spacing: 0.01em;
  line-height: 1.4;
}

.btn-primary {
  background: var(--color-accent);
  color: var(--color-primary);
  border: 1px solid var(--color-accent);
}

.btn-primary:hover {
  background: #1fe6b6;
  color: var(--color-primary);
  text-decoration: none;
  filter: brightness(1.06);
}

.btn-primary:active {
  filter: brightness(0.94);
}

.btn-secondary {
  background: transparent;
  color: var(--color-accent);
  border: 1px solid var(--color-accent);
}

.btn-secondary:hover {
  background: rgba(0, 217, 166, 0.1);
  color: #1fe6b6;
  text-decoration: none;
}

.btn-link {
  color: var(--color-accent);
  text-decoration: none;
  font-family: var(--font-sans);
  font-weight: 600;
  font-size: 0.9rem;
  display: inline-flex;
  align-items: center;
  gap: 6px;
  transition: all var(--transition-fast);
}

.btn-link:hover {
  color: #1fe6b6;
  text-decoration: underline;
}

/* FAQ */
.faq-list {
  display: grid;
  gap: 12px;
  max-width: 820px;
}

.faq-item {
  background: var(--color-card);
  border: 1px solid var(--color-border);
  border-radius: 12px;
  overflow: hidden;
  transition: all var(--transition-fast);
}

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

.faq-question {
  width: 100%;
  text-align: left;
  padding: 18px 20px;
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 12px;
  background: none;
  border: none;
  cursor: pointer;
  font-size: 1rem;
  font-family: var(--font-sans);
  font-weight: 600;
  color: var(--color-text-primary);
  transition: color var(--transition-fast);
}

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

.faq-question .faq-icon {
  font-size: 1.2rem;
  color: var(--color-accent);
  flex-shrink: 0;
  transition: transform var(--transition-fast);
  font-weight: 400;
}

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

.faq-answer {
  max-height: 0;
  overflow: hidden;
  transition: max-height var(--transition-base), padding var(--transition-base);
  padding: 0 20px;
  font-size: 0.92rem;
  color: var(--color-text-secondary);
  line-height: 1.85;
}

.faq-item.open .faq-answer {
  max-height: 240px;
  padding: 0 20px 18px;
  border-left: 3px solid var(--color-accent);
  margin-left: 20px;
  padding-left: 16px;
}

/* See more */
.see-more {
  text-align: center;
  margin-top: 36px;
}

.see-more .btn {
  min-width: 200px;
}

/* ========== FOOTER ========== */
.site-footer {
  background: #0C0F14;
  border-top: 1px solid var(--color-border);
  padding: 48px 0 32px;
  margin-top: 24px;
}

.footer-inner {
  display: flex;
  justify-content: space-between;
  gap: 40px;
  flex-wrap: wrap;
  margin-bottom: 32px;
}

.footer-brand {
  flex: 1;
  min-width: 260px;
  max-width: 420px;
}

.footer-logo {
  font-family: var(--font-sans);
  font-size: 1.3rem;
  font-weight: 800;
  color: var(--color-text-primary);
  display: flex;
  align-items: center;
  gap: 8px;
  margin-bottom: 14px;
}

.footer-logo .logo-mark {
  width: 28px;
  height: 28px;
  background: var(--color-accent);
  border-radius: 7px;
  display: inline-flex;
  align-items: center;
  justify-content: center;
  font-size: 0.9rem;
  font-weight: 800;
  color: var(--color-primary);
}

.footer-desc {
  font-size: 0.85rem;
  color: var(--color-text-muted);
  line-height: 1.8;
  margin-bottom: 12px;
}

.footer-col {
  min-width: 140px;
}

.footer-col-title {
  font-family: var(--font-sans);
  font-size: 0.9rem;
  font-weight: 700;
  color: var(--color-text-primary);
  margin-bottom: 14px;
  display: block;
  letter-spacing: 0.02em;
}

.footer-col ul {
  list-style: none;
  display: grid;
  gap: 8px;
}

.footer-col ul li a {
  color: var(--color-text-secondary);
  text-decoration: none;
  font-size: 0.88rem;
  transition: color var(--transition-fast);
  font-family: var(--font-sans);
}

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

.footer-bottom {
  border-top: 1px solid var(--color-border);
  padding-top: 20px;
  display: flex;
  justify-content: space-between;
  align-items: center;
  flex-wrap: wrap;
  gap: 12px;
  font-size: 0.8rem;
  color: var(--color-text-muted);
  font-family: var(--font-sans);
}

.footer-bottom a {
  color: var(--color-text-muted);
  text-decoration: none;
  transition: color var(--transition-fast);
}

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

/* ========== BOTTOM FIXED BAR ========== */
.fixed-bottom-bar {
  position: fixed;
  bottom: 0;
  left: 0;
  right: 0;
  z-index: var(--z-fixed-bar);
  background: rgba(15, 18, 24, 0.94);
  backdrop-filter: blur(14px);
  -webkit-backdrop-filter: blur(14px);
  border-top: 1px solid var(--color-border);
  padding: 12px clamp(16px, 4vw, 48px);
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 16px;
  flex-wrap: wrap;
}

.fixed-bottom-bar .bar-text {
  font-family: var(--font-sans);
  font-size: 0.9rem;
  color: var(--color-text-secondary);
  line-height: 1.5;
}

.fixed-bottom-bar .bar-actions {
  display: flex;
  align-items: center;
  gap: 12px;
  flex-shrink: 0;
}

/* ========== RESPONSIVE ========== */
@media (max-width: 1024px) {
  .article-grid {
    grid-template-columns: repeat(2, 1fr);
  }
  .featured-list {
    grid-template-columns: repeat(3, 1fr);
  }
  .data-snapshot {
    grid-template-columns: repeat(2, 1fr);
  }
  .section {
    padding: 52px 0;
  }
  .page-header {
    padding: 28px 0 20px;
  }
}

@media (max-width: 768px) {
  .article-grid {
    grid-template-columns: 1fr;
  }
  .featured-list {
    grid-template-columns: 1fr;
  }
  .data-snapshot {
    grid-template-columns: 1fr 1fr;
  }
  .header-meta {
    display: none;
  }
  .header-inner {
    padding: 10px clamp(16px, 4vw, 48px) 10px;
  }
  .section {
    padding: var(--spacing-section-mobile) 0;
  }
  .section-heading {
    font-size: 1.5rem;
  }
  .subscribe-box {
    flex-direction: column;
    align-items: stretch;
  }
  .subscribe-box .sb-form {
    flex-direction: column;
  }
  .subscribe-box input[type="email"] {
    max-width: 100%;
    min-width: 0;
  }
  .fixed-bottom-bar {
    padding: 10px 16px;
    flex-direction: column;
    text-align: center;
  }
  .footer-inner {
    flex-direction: column;
    gap: 28px;
  }
  .footer-bottom {
    flex-direction: column;
    text-align: center;
  }
}

@media (max-width: 520px) {
  .data-snapshot {
    grid-template-columns: 1fr;
  }
  .page-header h1 {
    font-size: 1.6rem;
  }
  .chip-link {
    font-size: 0.8rem;
    padding: 6px 14px;
  }
  .chip-filter {
    font-size: 0.8rem;
    padding: 6px 14px;
  }
  .article-card .card-image {
    height: 160px;
  }
}