/* roulang page: index */
:root {
            --c-bg-primary: #0F1115;
            --c-bg-secondary: #161A20;
            --c-bg-card: #1C2129;
            --c-primary: #6C3CF4;
            --c-primary-hover: #7C4CF8;
            --c-secondary: #F97316;
            --c-secondary-hover: #FB8D3F;
            --c-accent: #14B8A6;
            --c-text-primary: #F5F7FA;
            --c-text-secondary: #A1A7B3;
            --c-text-muted: #6B7280;
            --c-border: rgba(255, 255, 255, 0.08);
            --c-border-strong: rgba(108, 60, 244, 0.45);
            --radius-card: 14px;
            --radius-sm: 8px;
            --radius-pill: 999px;
            --shadow-card: 0 8px 28px rgba(0, 0, 0, 0.35);
            --shadow-card-hover: 0 14px 40px rgba(108, 60, 244, 0.22);
            --fs-display: clamp(2.2rem, 5vw, 3.6rem);
            --fs-h1: clamp(1.8rem, 4vw, 2.6rem);
            --fs-h2: clamp(1.4rem, 3vw, 1.9rem);
            --fs-h3: 1.25rem;
            --fs-body: 1rem;
            --fs-small: 0.875rem;
            --font-cn: "PingFang SC", "Microsoft YaHei", "Hiragino Sans GB", "Noto Sans CJK SC", system-ui, sans-serif;
            --font-num: "Inter", "Roboto", system-ui, sans-serif;
            --section-padding: 4rem 0;
            --section-padding-mobile: 2.5rem 0;
            --transition-base: 0.25s ease;
        }

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

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

        body {
            font-family: var(--font-cn);
            font-size: var(--fs-body);
            font-weight: 400;
            line-height: 1.75;
            color: var(--c-text-primary);
            background-color: var(--c-bg-primary);
            -webkit-font-smoothing: antialiased;
            -moz-osx-font-smoothing: grayscale;
            overflow-x: hidden;
        }

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

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

        a:hover {
            color: var(--c-primary-hover);
            text-decoration: underline;
            text-decoration-thickness: 1px;
            text-underline-offset: 4px;
        }

        a:focus-visible,
        button:focus-visible,
        input:focus-visible,
        .btn:focus-visible,
        .accordion-button:focus-visible {
            outline: 2px solid var(--c-border-strong);
            outline-offset: 2px;
            border-radius: var(--radius-sm);
        }

        button,
        .btn {
            transition: background-color var(--transition-base), border-color var(--transition-base), color var(--transition-base), box-shadow var(--transition-base), transform var(--transition-base), filter var(--transition-base);
        }

        .container-custom {
            width: 100%;
            max-width: 1200px;
            margin: 0 auto;
            padding-left: 24px;
            padding-right: 24px;
        }

        .row {
            --bs-gutter-x: 24px;
        }

        @media (max-width: 991px) {
            .row {
                --bs-gutter-x: 18px;
            }
            .container-custom {
                padding-left: 18px;
                padding-right: 18px;
            }
        }

        @media (max-width: 767px) {
            .row {
                --bs-gutter-x: 12px;
            }
            .container-custom {
                padding-left: 12px;
                padding-right: 12px;
            }
        }

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

        @media (max-width: 767px) {
            section {
                padding: var(--section-padding-mobile);
            }
        }

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

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

        .section-label {
            display: inline-block;
            font-size: 0.8rem;
            font-weight: 600;
            letter-spacing: 0.08em;
            text-transform: uppercase;
            color: var(--c-accent);
            background: rgba(20, 184, 166, 0.12);
            padding: 4px 12px;
            border-radius: var(--radius-pill);
            margin-bottom: 12px;
        }

        .section-title {
            font-size: var(--fs-h2);
            font-weight: 700;
            color: var(--c-text-primary);
            margin-bottom: 12px;
            line-height: 1.3;
            letter-spacing: -0.01em;
        }

        .section-subtitle {
            font-size: var(--fs-body);
            color: var(--c-text-secondary);
            line-height: 1.7;
            max-width: 720px;
            margin-bottom: 2rem;
        }

        .section-divider {
            width: 56px;
            height: 3px;
            background: linear-gradient(90deg, var(--c-primary), var(--c-secondary));
            border-radius: 2px;
            margin-bottom: 1.5rem;
        }

        /* Header / Navigation */
        .site-header {
            position: sticky;
            top: 0;
            z-index: 1050;
            background: linear-gradient(90deg, #2A1245 0%, #12141A 100%);
            height: 64px;
            display: flex;
            align-items: center;
            box-shadow: 0 2px 18px rgba(0, 0, 0, 0.45);
            border-bottom: 1px solid rgba(255, 255, 255, 0.06);
        }

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

        .navbar-logo {
            display: flex;
            align-items: center;
            gap: 8px;
            font-size: 1.25rem;
            font-weight: 700;
            color: var(--c-text-primary);
            text-decoration: none;
            white-space: nowrap;
            letter-spacing: 0.02em;
        }

        .navbar-logo:hover {
            color: var(--c-text-primary);
            text-decoration: none;
        }

        .navbar-logo .logo-icon {
            width: 28px;
            height: 28px;
            border-radius: 6px;
            background: linear-gradient(135deg, var(--c-primary), var(--c-secondary));
            display: flex;
            align-items: center;
            justify-content: center;
            font-size: 0.9rem;
            color: #fff;
            flex-shrink: 0;
        }

        .navbar-nav-custom {
            display: flex;
            align-items: center;
            gap: 4px;
            list-style: none;
            margin: 0;
            padding: 0;
        }

        .navbar-nav-custom li a {
            display: block;
            padding: 8px 14px;
            font-size: 0.9rem;
            font-weight: 500;
            color: rgba(245, 247, 250, 0.88);
            border-radius: 6px;
            text-decoration: none;
            white-space: nowrap;
            transition: background-color var(--transition-base), color var(--transition-base);
        }

        .navbar-nav-custom li a:hover {
            color: #fff;
            background-color: rgba(255, 255, 255, 0.1);
            text-decoration: none;
        }

        .navbar-nav-custom li a.active {
            color: #fff;
            font-weight: 700;
            background-color: rgba(255, 255, 255, 0.08);
            box-shadow: inset 0 -2px 0 var(--c-secondary);
        }

        .nav-cta-btn {
            background-color: var(--c-secondary);
            color: #fff;
            font-size: 0.9rem;
            font-weight: 600;
            padding: 8px 18px;
            border-radius: var(--radius-pill);
            border: none;
            text-decoration: none;
            white-space: nowrap;
            transition: background-color var(--transition-base), transform var(--transition-base), box-shadow var(--transition-base);
        }

        .nav-cta-btn:hover {
            background-color: var(--c-secondary-hover);
            color: #fff;
            text-decoration: none;
            box-shadow: 0 4px 14px rgba(249, 115, 22, 0.35);
        }

        .nav-cta-btn:active {
            transform: translateY(1px);
            filter: brightness(0.92);
        }

        .navbar-toggler-custom {
            display: none;
            background: none;
            border: none;
            cursor: pointer;
            padding: 6px 4px;
            flex-direction: column;
            gap: 5px;
            align-items: center;
        }

        .navbar-toggler-custom .toggler-line {
            display: block;
            width: 22px;
            height: 2px;
            background-color: #F5F7FA;
            border-radius: 2px;
            transition: transform var(--transition-base), opacity var(--transition-base);
        }

        .navbar-toggler-custom[aria-expanded="true"] .toggler-line:nth-child(1) {
            transform: translateY(7px) rotate(45deg);
        }

        .navbar-toggler-custom[aria-expanded="true"] .toggler-line:nth-child(2) {
            opacity: 0;
        }

        .navbar-toggler-custom[aria-expanded="true"] .toggler-line:nth-child(3) {
            transform: translateY(-7px) rotate(-45deg);
        }

        .mobile-nav-collapse {
            display: none;
        }

        @media (max-width: 991px) {
            .navbar-nav-custom {
                display: none;
            }
            .nav-cta-btn.desktop-only {
                display: none;
            }
            .navbar-toggler-custom {
                display: flex;
            }
            .mobile-nav-collapse {
                display: none;
                position: absolute;
                top: 64px;
                left: 0;
                right: 0;
                background: linear-gradient(90deg, #2A1245 0%, #12141A 100%);
                padding: 16px 18px;
                border-bottom: 1px solid rgba(255, 255, 255, 0.08);
                box-shadow: 0 12px 28px rgba(0, 0, 0, 0.5);
                flex-direction: column;
                gap: 6px;
            }
            .mobile-nav-collapse.show {
                display: flex;
            }
            .mobile-nav-collapse a {
                display: block;
                padding: 12px 14px;
                font-size: 1rem;
                font-weight: 500;
                color: var(--c-text-primary);
                border-radius: 6px;
                text-decoration: none;
            }
            .mobile-nav-collapse a:hover,
            .mobile-nav-collapse a.active {
                background-color: rgba(255, 255, 255, 0.1);
                color: #fff;
                text-decoration: none;
            }
            .mobile-nav-collapse .nav-cta-btn {
                margin-top: 8px;
                text-align: center;
                padding: 10px 18px;
                display: inline-block;
            }
        }

        @media (max-width: 575px) {
            .site-header {
                height: 56px;
            }
            .mobile-nav-collapse {
                top: 56px;
            }
        }

        /* Hero */
        .hero-section {
            padding: 0;
            min-height: 82vh;
            display: flex;
            align-items: center;
            position: relative;
            overflow: hidden;
            background: var(--c-bg-primary);
        }

        .hero-bg-image {
            position: absolute;
            inset: 0;
            width: 100%;
            height: 100%;
            object-fit: cover;
            object-position: center;
            z-index: 1;
        }

        .hero-overlay {
            position: absolute;
            inset: 0;
            z-index: 2;
            background: linear-gradient(135deg, rgba(15, 17, 21, 0.92) 0%, rgba(42, 18, 69, 0.82) 45%, rgba(15, 17, 21, 0.88) 100%);
        }

        .hero-content {
            position: relative;
            z-index: 3;
            padding: 4rem 0 3rem;
            width: 100%;
        }

        .hero-title {
            font-size: var(--fs-display);
            font-weight: 800;
            color: #fff;
            line-height: 1.2;
            letter-spacing: -0.02em;
            margin-bottom: 1.2rem;
        }

        .hero-title .highlight-purple {
            color: var(--c-primary);
            position: relative;
        }

        .hero-title .highlight-orange {
            color: var(--c-secondary);
        }

        .hero-subtitle {
            font-size: 1.05rem;
            color: rgba(245, 247, 250, 0.85);
            line-height: 1.75;
            max-width: 620px;
            margin-bottom: 1.8rem;
        }

        .hero-buttons {
            display: flex;
            flex-wrap: wrap;
            gap: 12px;
            margin-bottom: 2.5rem;
        }

        .btn-primary-custom {
            background-color: var(--c-primary);
            color: #fff;
            font-weight: 600;
            font-size: 0.95rem;
            padding: 12px 24px;
            border-radius: var(--radius-sm);
            border: none;
            text-decoration: none;
            transition: background-color var(--transition-base), transform var(--transition-base), box-shadow var(--transition-base);
        }

        .btn-primary-custom:hover {
            background-color: var(--c-primary-hover);
            color: #fff;
            text-decoration: none;
            box-shadow: 0 6px 20px rgba(108, 60, 244, 0.4);
        }

        .btn-primary-custom:active {
            transform: translateY(1px);
            filter: brightness(0.95);
        }

        .btn-secondary-custom {
            background-color: var(--c-secondary);
            color: #fff;
            font-weight: 600;
            font-size: 0.95rem;
            padding: 12px 24px;
            border-radius: var(--radius-sm);
            border: none;
            text-decoration: none;
            transition: background-color var(--transition-base), transform var(--transition-base), box-shadow var(--transition-base);
        }

        .btn-secondary-custom:hover {
            background-color: var(--c-secondary-hover);
            color: #fff;
            text-decoration: none;
            box-shadow: 0 6px 20px rgba(249, 115, 22, 0.4);
        }

        .btn-secondary-custom:active {
            transform: translateY(1px);
            filter: brightness(0.92);
        }

        .btn-ghost-custom {
            background: transparent;
            color: #fff;
            font-weight: 600;
            font-size: 0.95rem;
            padding: 12px 24px;
            border-radius: var(--radius-sm);
            border: 1.5px solid var(--c-primary);
            text-decoration: none;
            transition: background-color var(--transition-base), border-color var(--transition-base), color var(--transition-base);
        }

        .btn-ghost-custom:hover {
            background-color: rgba(108, 60, 244, 0.15);
            border-color: var(--c-primary-hover);
            color: #fff;
            text-decoration: none;
        }

        .btn-ghost-custom:active {
            transform: translateY(1px);
        }

        /* Coupon wall in hero */
        .hero-coupon-wall {
            display: flex;
            flex-wrap: wrap;
            gap: 14px;
            align-items: flex-end;
        }

        .main-coupon-card {
            background: var(--c-bg-card);
            border: 1.5px dashed rgba(108, 60, 244, 0.6);
            border-radius: var(--radius-card);
            padding: 24px 22px;
            min-width: 260px;
            max-width: 340px;
            flex: 1;
            box-shadow: var(--shadow-card);
            position: relative;
            overflow: hidden;
            transition: box-shadow var(--transition-base), border-color var(--transition-base);
        }

        .main-coupon-card:hover {
            border-color: var(--c-border-strong);
            box-shadow: var(--shadow-card-hover);
        }

        .main-coupon-card::before {
            content: '';
            position: absolute;
            top: -40px;
            right: -40px;
            width: 100px;
            height: 100px;
            border-radius: 50%;
            background: rgba(108, 60, 244, 0.18);
            pointer-events: none;
        }

        .coupon-top-row {
            display: flex;
            align-items: center;
            gap: 8px;
            margin-bottom: 12px;
        }

        .coupon-badge {
            font-size: 0.75rem;
            font-weight: 700;
            padding: 3px 10px;
            border-radius: var(--radius-pill);
            background: var(--c-secondary);
            color: #fff;
            letter-spacing: 0.06em;
        }

        .coupon-main-title {
            font-size: 1.15rem;
            font-weight: 700;
            color: #fff;
            margin-bottom: 8px;
            line-height: 1.4;
        }

        .coupon-desc {
            font-size: 0.85rem;
            color: var(--c-text-secondary);
            line-height: 1.6;
            margin-bottom: 14px;
        }

        .coupon-btn {
            display: inline-block;
            background: var(--c-primary);
            color: #fff;
            font-size: 0.85rem;
            font-weight: 600;
            padding: 8px 18px;
            border-radius: var(--radius-pill);
            border: none;
            text-decoration: none;
            transition: background-color var(--transition-base), box-shadow var(--transition-base);
        }

        .coupon-btn:hover {
            background: var(--c-primary-hover);
            color: #fff;
            text-decoration: none;
            box-shadow: 0 4px 14px rgba(108, 60, 244, 0.4);
        }

        .small-coupon-item {
            background: var(--c-bg-card);
            border: 1px solid var(--c-border);
            border-radius: 10px;
            padding: 12px 16px;
            min-width: 150px;
            flex: 1;
            max-width: 185px;
            transition: border-color var(--transition-base), transform var(--transition-base);
            cursor: default;
        }

        .small-coupon-item:hover {
            border-color: var(--c-border-strong);
            transform: translateY(-2px);
        }

        .small-coupon-item .sc-label {
            font-size: 0.75rem;
            color: var(--c-text-muted);
            margin-bottom: 4px;
        }

        .small-coupon-item .sc-value {
            font-size: 0.9rem;
            font-weight: 600;
            color: var(--c-text-primary);
        }

        .small-coupon-item .sc-value.highlight {
            color: var(--c-accent);
        }

        .hero-mini-stats {
            display: flex;
            flex-wrap: wrap;
            gap: 16px;
            margin-top: 1.2rem;
        }

        .hero-mini-stat {
            font-size: 0.8rem;
            color: var(--c-text-secondary);
            display: flex;
            align-items: center;
            gap: 6px;
        }

        .hero-mini-stat .dot {
            width: 6px;
            height: 6px;
            border-radius: 50%;
            background: var(--c-accent);
            flex-shrink: 0;
        }

        /* Content Calendar */
        .calendar-grid {
            display: grid;
            grid-template-columns: repeat(auto-fill, minmax(150px, 1fr));
            gap: 12px;
        }

        .calendar-item {
            background: var(--c-bg-card);
            border: 1px solid var(--c-border);
            border-radius: var(--radius-sm);
            padding: 16px 14px;
            text-align: center;
            transition: border-color var(--transition-base), transform var(--transition-base), box-shadow var(--transition-base);
        }

        .calendar-item:hover {
            border-color: var(--c-border-strong);
            transform: translateY(-2px);
            box-shadow: 0 6px 18px rgba(0, 0, 0, 0.3);
        }

        .calendar-date {
            font-size: 0.8rem;
            color: var(--c-text-muted);
            font-weight: 500;
            margin-bottom: 6px;
        }

        .calendar-match {
            font-size: 0.9rem;
            font-weight: 600;
            color: var(--c-text-primary);
            margin-bottom: 4px;
            line-height: 1.35;
        }

        .calendar-tag {
            font-size: 0.7rem;
            color: var(--c-accent);
            font-weight: 500;
        }

        /* Cards general */
        .card-custom {
            background: var(--c-bg-card);
            border: 1px solid var(--c-border);
            border-radius: var(--radius-card);
            padding: 20px;
            box-shadow: var(--shadow-card);
            transition: box-shadow var(--transition-base), border-color var(--transition-base), transform var(--transition-base);
            height: 100%;
        }

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

        .card-custom .card-icon {
            width: 42px;
            height: 42px;
            border-radius: 10px;
            background: rgba(108, 60, 244, 0.15);
            display: flex;
            align-items: center;
            justify-content: center;
            font-size: 1.2rem;
            color: var(--c-primary);
            margin-bottom: 12px;
        }

        .card-custom .card-title {
            font-size: var(--fs-h3);
            font-weight: 600;
            color: var(--c-text-primary);
            margin-bottom: 8px;
            line-height: 1.35;
        }

        .card-custom .card-text {
            font-size: var(--fs-small);
            color: var(--c-text-secondary);
            line-height: 1.65;
            margin-bottom: 0;
        }

        .card-custom .card-link-arrow {
            font-size: 0.85rem;
            color: var(--c-secondary);
            font-weight: 600;
            display: inline-flex;
            align-items: center;
            gap: 4px;
            margin-top: 12px;
            text-decoration: none;
            transition: color var(--transition-base), gap var(--transition-base);
        }

        .card-custom .card-link-arrow:hover {
            color: var(--c-secondary-hover);
            text-decoration: none;
            gap: 8px;
        }

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

        .topic-tag {
            display: inline-block;
            padding: 8px 16px;
            font-size: 0.85rem;
            font-weight: 500;
            color: var(--c-text-secondary);
            background: var(--c-bg-card);
            border: 1px solid var(--c-border);
            border-radius: var(--radius-pill);
            text-decoration: none;
            transition: background-color var(--transition-base), color var(--transition-base), border-color var(--transition-base), transform var(--transition-base);
        }

        .topic-tag:hover {
            background: var(--c-primary);
            color: #fff;
            border-color: var(--c-primary);
            text-decoration: none;
            transform: translateY(-1px);
        }

        .topic-tag.tag-orange {
            border-color: rgba(249, 115, 22, 0.4);
            color: var(--c-secondary);
        }

        .topic-tag.tag-orange:hover {
            background: var(--c-secondary);
            border-color: var(--c-secondary);
            color: #fff;
        }

        .topic-tag.tag-cyan {
            border-color: rgba(20, 184, 166, 0.4);
            color: var(--c-accent);
        }

        .topic-tag.tag-cyan:hover {
            background: var(--c-accent);
            border-color: var(--c-accent);
            color: #0F1115;
        }

        /* Opinion cards */
        .opinion-card {
            background: var(--c-bg-card);
            border: 1px solid var(--c-border);
            border-radius: var(--radius-card);
            padding: 22px;
            box-shadow: var(--shadow-card);
            height: 100%;
            transition: border-color var(--transition-base), transform var(--transition-base), box-shadow var(--transition-base);
        }

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

        .opinion-card .opinion-date {
            font-size: 0.75rem;
            color: var(--c-text-muted);
            margin-bottom: 8px;
        }

        .opinion-card .opinion-title {
            font-size: 1.05rem;
            font-weight: 600;
            color: var(--c-text-primary);
            margin-bottom: 10px;
            line-height: 1.45;
        }

        .opinion-card .opinion-text {
            font-size: var(--fs-small);
            color: var(--c-text-secondary);
            line-height: 1.65;
            margin-bottom: 0;
        }

        /* Data showcase */
        .data-number {
            font-size: clamp(2rem, 4vw, 3rem);
            font-weight: 800;
            color: var(--c-accent);
            font-variant-numeric: tabular-nums;
            line-height: 1.1;
            letter-spacing: -0.02em;
        }

        .data-number.purple {
            color: var(--c-primary);
        }

        .data-number.orange {
            color: var(--c-secondary);
        }

        .data-label {
            font-size: 0.85rem;
            color: var(--c-text-secondary);
            margin-top: 4px;
            font-weight: 500;
        }

        .data-desc {
            font-size: 0.75rem;
            color: var(--c-text-muted);
            margin-top: 4px;
            line-height: 1.5;
        }

        .data-card {
            background: var(--c-bg-card);
            border: 1px solid var(--c-border);
            border-radius: var(--radius-card);
            padding: 22px 18px;
            text-align: center;
            box-shadow: var(--shadow-card);
            transition: border-color var(--transition-base), transform var(--transition-base);
            height: 100%;
        }

        .data-card:hover {
            border-color: var(--c-border-strong);
            transform: translateY(-2px);
        }

        /* News list */
        .news-list-item {
            background: var(--c-bg-card);
            border: 1px solid var(--c-border);
            border-radius: var(--radius-card);
            padding: 18px 20px;
            margin-bottom: 14px;
            display: flex;
            flex-wrap: wrap;
            gap: 16px;
            box-shadow: 0 4px 16px rgba(0, 0, 0, 0.25);
            transition: border-color var(--transition-base), box-shadow var(--transition-base);
        }

        .news-list-item:hover {
            border-color: var(--c-border-strong);
            box-shadow: 0 8px 24px rgba(108, 60, 244, 0.18);
        }

        .news-date-block {
            flex-shrink: 0;
            min-width: 80px;
            text-align: center;
            padding: 6px 8px;
            background: rgba(108, 60, 244, 0.12);
            border-radius: var(--radius-sm);
            display: flex;
            flex-direction: column;
            align-items: center;
            justify-content: center;
        }

        .news-date-block .news-day {
            font-size: 1.1rem;
            font-weight: 700;
            color: var(--c-primary);
            line-height: 1.1;
            font-variant-numeric: tabular-nums;
        }

        .news-date-block .news-month {
            font-size: 0.7rem;
            color: var(--c-text-muted);
        }

        .news-content {
            flex: 1;
            min-width: 200px;
        }

        .news-title {
            font-size: 1.05rem;
            font-weight: 600;
            color: var(--c-text-primary);
            margin-bottom: 6px;
            line-height: 1.4;
        }

        .news-excerpt {
            font-size: var(--fs-small);
            color: var(--c-text-secondary);
            line-height: 1.65;
            margin-bottom: 8px;
        }

        .news-readmore {
            font-size: 0.82rem;
            font-weight: 600;
            color: var(--c-secondary);
            text-decoration: none;
            display: inline-flex;
            align-items: center;
            gap: 4px;
            transition: color var(--transition-base), gap var(--transition-base);
        }

        .news-readmore:hover {
            color: var(--c-secondary-hover);
            text-decoration: underline;
            text-decoration-thickness: 1px;
            text-underline-offset: 3px;
            gap: 7px;
        }

        /* Brand intro */
        .brand-intro-block {
            background: var(--c-bg-secondary);
            border: 1px solid var(--c-border);
            border-radius: var(--radius-card);
            padding: 28px 30px;
            line-height: 1.8;
            color: var(--c-text-secondary);
            box-shadow: var(--shadow-card);
        }

        .brand-intro-block p {
            margin-bottom: 0;
            font-size: 0.95rem;
        }

        /* Partner logos */
        .partner-logo-grid {
            display: flex;
            flex-wrap: wrap;
            gap: 14px;
            justify-content: center;
        }

        .partner-logo-item {
            background: var(--c-bg-card);
            border: 1px solid var(--c-border);
            border-radius: var(--radius-sm);
            padding: 14px 20px;
            min-width: 110px;
            text-align: center;
            font-size: 0.8rem;
            color: var(--c-text-muted);
            font-weight: 500;
            transition: border-color var(--transition-base), color var(--transition-base);
            cursor: default;
            letter-spacing: 0.02em;
        }

        .partner-logo-item:hover {
            border-color: var(--c-border-strong);
            color: var(--c-text-secondary);
        }

        /* Team / player cards */
        .team-card {
            background: var(--c-bg-card);
            border: 1px solid var(--c-border);
            border-radius: var(--radius-card);
            padding: 18px 16px;
            text-align: center;
            box-shadow: var(--shadow-card);
            transition: border-color var(--transition-base), transform var(--transition-base);
            height: 100%;
        }

        .team-card:hover {
            border-color: var(--c-border-strong);
            transform: translateY(-3px);
        }

        .team-avatar {
            width: 64px;
            height: 64px;
            border-radius: 50%;
            background: rgba(108, 60, 244, 0.12);
            margin: 0 auto 12px;
            display: flex;
            align-items: center;
            justify-content: center;
            font-size: 1.4rem;
            color: var(--c-primary);
            font-weight: 700;
            border: 2px solid rgba(108, 60, 244, 0.3);
        }

        .team-name {
            font-size: 1rem;
            font-weight: 600;
            color: var(--c-text-primary);
            margin-bottom: 2px;
        }

        .team-role {
            font-size: 0.75rem;
            color: var(--c-text-muted);
            margin-bottom: 10px;
        }

        .team-stats {
            display: flex;
            gap: 6px;
            justify-content: center;
            flex-wrap: wrap;
        }

        .team-stat-pill {
            font-size: 0.7rem;
            padding: 3px 8px;
            background: rgba(20, 184, 166, 0.1);
            border-radius: var(--radius-pill);
            color: var(--c-accent);
            font-variant-numeric: tabular-nums;
        }

        /* Data bar */
        .data-bar-wrap {
            margin-top: 12px;
        }

        .data-bar-row {
            display: flex;
            align-items: center;
            gap: 10px;
            margin-bottom: 10px;
        }

        .data-bar-label {
            font-size: 0.8rem;
            color: var(--c-text-secondary);
            min-width: 88px;
            flex-shrink: 0;
            text-align: right;
        }

        .data-bar-track {
            flex: 1;
            height: 8px;
            background: rgba(255, 255, 255, 0.06);
            border-radius: 4px;
            overflow: hidden;
        }

        .data-bar-fill {
            height: 100%;
            border-radius: 4px;
            background: linear-gradient(90deg, var(--c-primary), var(--c-accent));
            transition: width 0.5s ease;
        }

        .data-bar-fill.orange {
            background: linear-gradient(90deg, var(--c-secondary), #FBBF24);
        }

        .data-bar-fill.purple {
            background: linear-gradient(90deg, var(--c-primary), #A78BFA);
        }

        .data-bar-value {
            font-size: 0.8rem;
            font-weight: 600;
            color: var(--c-text-primary);
            min-width: 40px;
            font-variant-numeric: tabular-nums;
        }

        /* Steps */
        .step-row {
            display: flex;
            flex-wrap: wrap;
            gap: 20px;
        }

        .step-card {
            background: var(--c-bg-card);
            border: 1px solid var(--c-border);
            border-radius: var(--radius-card);
            padding: 20px 18px;
            flex: 1;
            min-width: 180px;
            box-shadow: var(--shadow-card);
            text-align: center;
            position: relative;
            transition: border-color var(--transition-base), transform var(--transition-base);
        }

        .step-card:hover {
            border-color: var(--c-border-strong);
            transform: translateY(-2px);
        }

        .step-number {
            display: inline-flex;
            align-items: center;
            justify-content: center;
            width: 36px;
            height: 36px;
            border-radius: 50%;
            background: var(--c-primary);
            color: #fff;
            font-weight: 700;
            font-size: 1rem;
            margin-bottom: 10px;
        }

        .step-number.orange {
            background: var(--c-secondary);
        }

        .step-title {
            font-size: 0.95rem;
            font-weight: 600;
            color: var(--c-text-primary);
            margin-bottom: 4px;
        }

        .step-desc {
            font-size: 0.8rem;
            color: var(--c-text-secondary);
            line-height: 1.5;
        }

        /* Highlight match cards */
        .highlight-card {
            background: var(--c-bg-card);
            border: 1px solid var(--c-border);
            border-radius: var(--radius-card);
            overflow: hidden;
            box-shadow: var(--shadow-card);
            transition: border-color var(--transition-base), transform var(--transition-base), box-shadow var(--transition-base);
            height: 100%;
        }

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

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

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

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

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

        .highlight-card .highlight-date {
            font-size: 0.75rem;
            color: var(--c-text-muted);
            margin-bottom: 4px;
        }

        .highlight-card .highlight-title {
            font-size: 1rem;
            font-weight: 600;
            color: var(--c-text-primary);
            margin-bottom: 6px;
            line-height: 1.4;
        }

        .highlight-card .highlight-comment {
            font-size: 0.8rem;
            color: var(--c-text-secondary);
            line-height: 1.6;
            margin-bottom: 0;
        }

        /* FAQ */
        .accordion-custom .accordion-item {
            background: var(--c-bg-card);
            border: 1px solid var(--c-border);
            border-radius: var(--radius-sm) !important;
            margin-bottom: 10px;
            overflow: hidden;
            transition: border-color var(--transition-base);
        }

        .accordion-custom .accordion-item:last-child {
            margin-bottom: 0;
        }

        .accordion-custom .accordion-button {
            background: var(--c-bg-card);
            color: var(--c-text-primary);
            font-weight: 600;
            font-size: 0.95rem;
            padding: 16px 18px;
            border: none;
            box-shadow: none;
            border-radius: var(--radius-sm) !important;
            display: flex;
            align-items: center;
            justify-content: space-between;
            width: 100%;
            text-align: left;
            cursor: pointer;
            transition: background-color var(--transition-base), color var(--transition-base);
        }

        .accordion-custom .accordion-button:not(.collapsed) {
            background: var(--c-bg-card);
            color: var(--c-text-primary);
            box-shadow: none;
        }

        .accordion-custom .accordion-button::after {
            content: '+';
            font-size: 1.4rem;
            font-weight: 300;
            color: var(--c-primary);
            background: none;
            transform: none;
            transition: transform 0.2s ease;
            margin-left: 12px;
            line-height: 1;
        }

        .accordion-custom .accordion-button:not(.collapsed)::after {
            content: '−';
            color: var(--c-secondary);
            transform: none;
        }

        .accordion-custom .accordion-button:hover {
            background: rgba(108, 60, 244, 0.08);
        }

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

        .accordion-custom .accordion-body {
            padding: 12px 18px 16px;
            color: var(--c-text-secondary);
            font-size: 0.88rem;
            line-height: 1.7;
            background: var(--c-bg-card);
        }

        .accordion-custom .accordion-item:focus-within {
            border-color: var(--c-border-strong);
        }

        /* Safety note */
        .safety-banner {
            background: var(--c-bg-card);
            border-left: 4px solid var(--c-accent);
            border-radius: var(--radius-sm);
            padding: 18px 20px;
            display: flex;
            align-items: flex-start;
            gap: 12px;
            box-shadow: var(--shadow-card);
        }

        .safety-banner .safety-icon {
            flex-shrink: 0;
            font-size: 1.3rem;
            color: var(--c-accent);
            width: 32px;
            height: 32px;
            display: flex;
            align-items: center;
            justify-content: center;
            background: rgba(20, 184, 166, 0.1);
            border-radius: 50%;
        }

        .safety-banner .safety-text {
            font-size: 0.88rem;
            color: var(--c-text-secondary);
            line-height: 1.65;
        }

        /* CTA section */
        .cta-section {
            background: linear-gradient(135deg, rgba(42, 18, 69, 0.95) 0%, rgba(15, 17, 21, 0.98) 100%);
            border-top: 1px solid rgba(108, 60, 244, 0.2);
            border-bottom: 1px solid rgba(108, 60, 244, 0.2);
            position: relative;
            overflow: hidden;
        }

        .cta-section::before {
            content: '';
            position: absolute;
            top: 0;
            left: 0;
            right: 0;
            height: 2px;
            background: linear-gradient(90deg, transparent, var(--c-primary), var(--c-secondary), transparent);
        }

        .cta-title {
            font-size: var(--fs-h2);
            font-weight: 700;
            color: #fff;
            margin-bottom: 12px;
            line-height: 1.3;
        }

        .cta-text {
            font-size: 0.95rem;
            color: rgba(245, 247, 250, 0.8);
            line-height: 1.7;
            margin-bottom: 20px;
            max-width: 560px;
        }

        /* Form styles */
        .form-custom .form-control-custom {
            background: var(--c-bg-card);
            border: 1px solid var(--c-border);
            border-radius: var(--radius-sm);
            color: var(--c-text-primary);
            padding: 12px 16px;
            font-size: 0.9rem;
            width: 100%;
            transition: border-color var(--transition-base), box-shadow var(--transition-base);
        }

        .form-custom .form-control-custom::placeholder {
            color: var(--c-text-muted);
        }

        .form-custom .form-control-custom:focus {
            border-color: var(--c-primary);
            box-shadow: 0 0 0 3px rgba(108, 60, 244, 0.2);
            outline: none;
        }

        .btn-submit-custom {
            background: var(--c-secondary);
            color: #fff;
            border: none;
            border-radius: var(--radius-sm);
            padding: 12px 24px;
            font-weight: 600;
            font-size: 0.9rem;
            transition: background-color var(--transition-base), box-shadow var(--transition-base);
        }

        .btn-submit-custom:hover {
            background: var(--c-secondary-hover);
            box-shadow: 0 6px 18px rgba(249, 115, 22, 0.35);
        }

        /* Footer */
        .site-footer {
            background: #0A0C10;
            border-top: 2px solid rgba(108, 60, 244, 0.35);
            padding: 3rem 0 2rem;
        }

        .footer-logo {
            font-size: 1.3rem;
            font-weight: 700;
            color: #fff;
            margin-bottom: 8px;
            display: flex;
            align-items: center;
            gap: 8px;
        }

        .footer-desc {
            font-size: 0.85rem;
            color: var(--c-text-muted);
            line-height: 1.7;
            margin-bottom: 16px;
        }

        .footer-heading {
            font-size: 1rem;
            font-weight: 600;
            color: var(--c-text-primary);
            margin-bottom: 14px;
        }

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

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

        .footer-links li a {
            font-size: 0.85rem;
            color: var(--c-text-muted);
            text-decoration: none;
            transition: color var(--transition-base), text-decoration var(--transition-base);
        }

        .footer-links li a:hover {
            color: var(--c-secondary);
            text-decoration: underline;
            text-underline-offset: 3px;
        }

        .footer-bottom {
            border-top: 1px solid var(--c-border);
            margin-top: 2rem;
            padding-top: 1.2rem;
            display: flex;
            flex-wrap: wrap;
            justify-content: space-between;
            align-items: center;
            gap: 12px;
        }

        .footer-bottom .copyright {
            font-size: 0.78rem;
            color: var(--c-text-muted);
        }

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

        .footer-bottom .footer-meta-links a {
            font-size: 0.78rem;
            color: var(--c-text-muted);
            text-decoration: none;
            transition: color var(--transition-base);
        }

        .footer-bottom .footer-meta-links a:hover {
            color: var(--c-secondary);
            text-decoration: underline;
            text-underline-offset: 3px;
        }

        @media (max-width: 767px) {
            .hero-section {
                min-height: auto;
                padding: 3rem 0 2rem;
            }
            .hero-title {
                font-size: clamp(1.8rem, 4vw, 2.4rem);
            }
            .hero-subtitle {
                font-size: 0.95rem;
            }
            .main-coupon-card {
                min-width: 100%;
            }
            .small-coupon-item {
                min-width: calc(50% - 7px);
                max-width: calc(50% - 7px);
            }
            .calendar-grid {
                grid-template-columns: repeat(auto-fill, minmax(120px, 1fr));
            }
            .news-list-item {
                flex-direction: column;
                gap: 12px;
            }
            .news-date-block {
                flex-direction: row;
                gap: 8px;
                min-width: auto;
                width: fit-content;
            }
            .section-title {
                font-size: 1.4rem;
            }
            .data-card {
                padding: 16px 12px;
            }
            .data-number {
                font-size: 1.8rem;
            }
            .brand-intro-block {
                padding: 20px 18px;
            }
            .footer-bottom {
                flex-direction: column;
                align-items: flex-start;
            }
        }

        @media (max-width: 520px) {
            .hero-buttons {
                flex-direction: column;
                gap: 8px;
            }
            .btn-primary-custom,
            .btn-secondary-custom,
            .btn-ghost-custom {
                width: 100%;
                text-align: center;
            }
            .coupon-btn {
                display: block;
                text-align: center;
            }
            .calendar-grid {
                grid-template-columns: 1fr 1fr;
            }
            .step-row {
                gap: 12px;
            }
            .step-card {
                min-width: 100%;
            }
            .partner-logo-item {
                min-width: calc(33% - 10px);
                padding: 10px 8px;
                font-size: 0.7rem;
            }
            .team-card {
                padding: 14px 10px;
            }
            .team-avatar {
                width: 48px;
                height: 48px;
                font-size: 1.1rem;
            }
        }

/* roulang page: category3 */
:root {
            --c-bg-primary: #0F1115;
            --c-bg-secondary: #161A20;
            --c-bg-card: #1C2129;
            --c-primary: #6C3CF4;
            --c-primary-hover: #7C4CF8;
            --c-secondary: #F97316;
            --c-secondary-hover: #FB8D3F;
            --c-accent: #14B8A6;
            --c-text-primary: #F5F7FA;
            --c-text-secondary: #A1A7B3;
            --c-text-muted: #6B7280;
            --c-border: rgba(255, 255, 255, 0.08);
            --c-border-strong: rgba(108, 60, 244, 0.45);
            --radius-card: 14px;
            --radius-sm: 8px;
            --radius-pill: 999px;
            --shadow-card: 0 8px 28px rgba(0, 0, 0, 0.35);
            --shadow-card-hover: 0 14px 40px rgba(108, 60, 244, 0.22);
            --fs-display: clamp(2.2rem, 5vw, 3.6rem);
            --fs-h1: clamp(1.8rem, 4vw, 2.6rem);
            --fs-h2: clamp(1.4rem, 3vw, 1.9rem);
            --fs-h3: 1.25rem;
            --fs-body: 1rem;
            --fs-small: 0.875rem;
            --font-cn: "PingFang SC", "Microsoft YaHei", "Hiragino Sans GB", "Noto Sans CJK SC", system-ui, sans-serif;
            --font-num: "Inter", "Roboto", system-ui, sans-serif;
            --section-padding: 4rem 0;
            --section-padding-mobile: 2.5rem 0;
            --transition-base: 0.25s ease;
        }
        html {
            scroll-behavior: smooth;
            -webkit-text-size-adjust: 100%;
        }
        body {
            font-family: var(--font-cn);
            font-size: var(--fs-body);
            font-weight: 400;
            line-height: 1.75;
            color: var(--c-text-primary);
            background-color: var(--c-bg-primary);
            -webkit-font-smoothing: antialiased;
            -moz-osx-font-smoothing: grayscale;
            overflow-x: hidden;
        }
        img {
            max-width: 100%;
            height: auto;
            display: block;
        }
        a {
            color: var(--c-primary);
            text-decoration: none;
            transition: color var(--transition-base), text-decoration var(--transition-base);
        }
        a:hover {
            color: var(--c-primary-hover);
            text-decoration: underline;
            text-decoration-thickness: 1px;
            text-underline-offset: 4px;
        }
        a:focus-visible,
        button:focus-visible,
        input:focus-visible,
        .btn:focus-visible,
        .accordion-button:focus-visible {
            outline: 2px solid var(--c-border-strong);
            outline-offset: 2px;
            border-radius: var(--radius-sm);
        }
        button,
        .btn {
            transition: background-color var(--transition-base), border-color var(--transition-base), color var(--transition-base), box-shadow var(--transition-base), transform var(--transition-base), filter var(--transition-base);
        }
        .container-custom {
            width: 100%;
            max-width: 1200px;
            margin: 0 auto;
            padding-left: 24px;
            padding-right: 24px;
        }
        .row {
            --bs-gutter-x: 24px;
        }
        section {
            padding: var(--section-padding);
            position: relative;
        }
        .section-bg-secondary {
            background-color: var(--c-bg-secondary);
        }
        .section-bg-primary {
            background-color: var(--c-bg-primary);
        }
        .section-label {
            display: inline-block;
            font-size: 0.8rem;
            font-weight: 600;
            letter-spacing: 0.08em;
            text-transform: uppercase;
            color: var(--c-accent);
            background: rgba(20, 184, 166, 0.12);
            padding: 4px 12px;
            border-radius: var(--radius-pill);
            margin-bottom: 12px;
        }
        .section-title {
            font-size: var(--fs-h2);
            font-weight: 700;
            color: var(--c-text-primary);
            margin-bottom: 12px;
            line-height: 1.3;
            letter-spacing: -0.01em;
        }
        .section-subtitle {
            font-size: var(--fs-body);
            color: var(--c-text-secondary);
            line-height: 1.7;
            max-width: 720px;
            margin-bottom: 2rem;
        }
        .section-divider {
            width: 56px;
            height: 3px;
            background: linear-gradient(90deg, var(--c-primary), var(--c-secondary));
            border-radius: 2px;
            margin-bottom: 1.5rem;
        }
        .site-header {
            position: sticky;
            top: 0;
            z-index: 1050;
            background: linear-gradient(90deg, #2A1245 0%, #12141A 100%);
            height: 64px;
            display: flex;
            align-items: center;
            box-shadow: 0 2px 18px rgba(0, 0, 0, 0.45);
            border-bottom: 1px solid rgba(255, 255, 255, 0.06);
        }
        .site-header .container-custom {
            display: flex;
            align-items: center;
            justify-content: space-between;
            width: 100%;
        }
        .navbar-logo {
            display: flex;
            align-items: center;
            gap: 8px;
            font-size: 1.25rem;
            font-weight: 700;
            color: var(--c-text-primary);
            text-decoration: none;
            white-space: nowrap;
        }
        .navbar-logo:hover {
            color: var(--c-text-primary);
            text-decoration: none;
        }
        .logo-icon {
            width: 30px;
            height: 30px;
            border-radius: 6px;
            background: linear-gradient(135deg, var(--c-primary), var(--c-secondary));
            display: inline-flex;
            align-items: center;
            justify-content: center;
            font-size: 0.95rem;
            color: #fff;
        }
        .navbar-nav-custom {
            display: flex;
            align-items: center;
            gap: 6px;
            list-style: none;
            margin: 0;
            padding: 0;
        }
        .navbar-nav-custom li a {
            display: block;
            padding: 8px 14px;
            border-radius: 6px;
            color: rgba(255, 255, 255, 0.9);
            font-size: 0.95rem;
            font-weight: 500;
            text-decoration: none;
            transition: background-color var(--transition-base), color var(--transition-base);
        }
        .navbar-nav-custom li a:hover {
            background-color: rgba(255, 255, 255, 0.1);
            color: #fff;
            text-decoration: none;
        }
        .navbar-nav-custom li a.active-nav {
            background-color: rgba(255, 255, 255, 0.1);
            color: #fff;
            font-weight: 600;
            box-shadow: inset 0 -3px 0 var(--c-secondary);
        }
        .nav-cta-btn {
            display: inline-flex;
            align-items: center;
            justify-content: center;
            padding: 8px 20px;
            border-radius: var(--radius-pill);
            background-color: var(--c-secondary);
            color: #fff;
            font-size: 0.95rem;
            font-weight: 600;
            text-decoration: none;
            white-space: nowrap;
            border: none;
            box-shadow: 0 4px 14px rgba(249, 115, 22, 0.25);
        }
        .nav-cta-btn:hover {
            background-color: var(--c-secondary-hover);
            color: #fff;
            text-decoration: none;
            transform: translateY(-1px);
            box-shadow: 0 8px 20px rgba(249, 115, 22, 0.35);
        }
        .nav-cta-btn:active {
            transform: translateY(1px);
            background-color: #e9640a;
        }
        .desktop-only {
            display: inline-flex;
        }
        .navbar-toggler-custom {
            display: none;
            flex-direction: column;
            justify-content: center;
            gap: 5px;
            background: transparent;
            border: none;
            padding: 6px;
            cursor: pointer;
        }
        .toggler-line {
            display: block;
            width: 24px;
            height: 2px;
            background-color: #fff;
            border-radius: 2px;
            transition: transform var(--transition-base), opacity var(--transition-base);
        }
        .mobile-nav-collapse {
            display: none;
            position: absolute;
            top: 64px;
            left: 0;
            right: 0;
            background: linear-gradient(90deg, #2A1245 0%, #12141A 100%);
            padding: 16px 24px 24px;
            flex-direction: column;
            gap: 6px;
            box-shadow: 0 18px 40px rgba(0, 0, 0, 0.55);
            border-bottom: 1px solid rgba(255, 255, 255, 0.08);
            z-index: 1049;
        }
        .mobile-nav-collapse a {
            padding: 12px 14px;
            border-radius: 8px;
            color: var(--c-text-primary);
            font-size: 1rem;
            font-weight: 500;
            text-decoration: none;
        }
        .mobile-nav-collapse a:hover {
            background-color: rgba(255, 255, 255, 0.1);
            color: #fff;
            text-decoration: none;
        }
        .mobile-nav-collapse a.active-nav {
            background-color: rgba(255, 255, 255, 0.1);
            color: #fff;
            font-weight: 700;
            box-shadow: inset 0 -2px 0 var(--c-secondary);
        }
        .mobile-nav-collapse .nav-cta-btn {
            margin-top: 8px;
            text-align: center;
        }
        .mobile-nav-collapse.open {
            display: flex;
        }
        .page-hero {
            background: linear-gradient(135deg, #1a0f2e 0%, #0f1115 45%, #1c1510 100%);
            padding: 3rem 0 2.5rem;
            border-bottom: 1px solid var(--c-border);
            position: relative;
            overflow: hidden;
        }
        .page-hero::before {
            content: '';
            position: absolute;
            top: -80px;
            right: -80px;
            width: 280px;
            height: 280px;
            background: radial-gradient(circle, rgba(108, 60, 244, 0.18) 0%, transparent 70%);
            border-radius: 50%;
            pointer-events: none;
        }
        .breadcrumb-custom {
            display: flex;
            align-items: center;
            flex-wrap: wrap;
            gap: 8px;
            list-style: none;
            margin: 0 0 16px;
            padding: 0;
            font-size: 0.875rem;
            color: var(--c-text-muted);
        }
        .breadcrumb-custom a {
            color: var(--c-text-secondary);
            text-decoration: none;
        }
        .breadcrumb-custom a:hover {
            color: var(--c-secondary);
            text-decoration: underline;
        }
        .breadcrumb-separator {
            color: var(--c-text-muted);
        }
        .category-title {
            font-size: var(--fs-h1);
            font-weight: 800;
            color: var(--c-text-primary);
            margin-bottom: 10px;
            line-height: 1.25;
            letter-spacing: -0.02em;
        }
        .category-desc {
            font-size: 1rem;
            color: var(--c-text-secondary);
            max-width: 780px;
            line-height: 1.7;
        }
        .guide-card {
            background: var(--c-bg-card);
            border: 1px solid var(--c-border);
            border-radius: var(--radius-card);
            overflow: hidden;
            box-shadow: var(--shadow-card);
            height: 100%;
            display: flex;
            flex-direction: column;
            transition: transform var(--transition-base), box-shadow var(--transition-base), border-color var(--transition-base);
        }
        .guide-card:hover {
            transform: translateY(-3px);
            box-shadow: var(--shadow-card-hover);
            border-color: var(--c-border-strong);
        }
        .guide-card-img {
            aspect-ratio: 16 / 9;
            overflow: hidden;
            background: #0a0c10;
        }
        .guide-card-img img {
            width: 100%;
            height: 100%;
            object-fit: cover;
            transition: transform 0.4s ease;
        }
        .guide-card:hover .guide-card-img img {
            transform: scale(1.04);
        }
        .guide-card-body {
            padding: 1.25rem 1.25rem 1.5rem;
            display: flex;
            flex-direction: column;
            flex: 1;
        }
        .guide-card-tags {
            display: flex;
            flex-wrap: wrap;
            gap: 8px;
            margin-bottom: 12px;
        }
        .tag-badge {
            display: inline-block;
            padding: 3px 10px;
            border-radius: var(--radius-pill);
            font-size: 0.75rem;
            font-weight: 600;
            letter-spacing: 0.02em;
            background: rgba(20, 184, 166, 0.12);
            color: var(--c-accent);
            white-space: nowrap;
        }
        .tag-badge.orange {
            background: rgba(249, 115, 22, 0.12);
            color: var(--c-secondary);
        }
        .guide-card-title {
            font-size: var(--fs-h3);
            font-weight: 600;
            color: var(--c-text-primary);
            margin-bottom: 8px;
            line-height: 1.4;
        }
        .guide-card-summary {
            font-size: var(--fs-small);
            color: var(--c-text-secondary);
            line-height: 1.7;
            margin-bottom: 16px;
            flex: 1;
        }
        .guide-card-link {
            font-size: 0.9rem;
            font-weight: 600;
            color: var(--c-secondary);
            text-decoration: none;
            display: inline-flex;
            align-items: center;
            gap: 6px;
        }
        .guide-card-link:hover {
            color: var(--c-secondary-hover);
            text-decoration: underline;
            text-underline-offset: 4px;
        }
        .info-block {
            background: var(--c-bg-card);
            border: 1px solid var(--c-border);
            border-radius: var(--radius-card);
            padding: 1.5rem;
            height: 100%;
        }
        .info-block-num {
            font-family: var(--font-num);
            font-size: 1.5rem;
            font-weight: 700;
            color: var(--c-accent);
            margin-bottom: 6px;
            font-variant-numeric: tabular-nums;
        }
        .info-block-title {
            font-size: 1.1rem;
            font-weight: 600;
            color: var(--c-text-primary);
            margin-bottom: 8px;
        }
        .info-block-text {
            font-size: var(--fs-small);
            color: var(--c-text-secondary);
            line-height: 1.7;
        }
        .tag-cloud {
            display: flex;
            flex-wrap: wrap;
            gap: 10px;
        }
        .tag-cloud a {
            display: inline-block;
            padding: 8px 16px;
            border-radius: var(--radius-pill);
            background: var(--c-bg-card);
            border: 1px solid var(--c-border);
            color: var(--c-text-secondary);
            font-size: 0.875rem;
            font-weight: 500;
            text-decoration: none;
            transition: all var(--transition-base);
        }
        .tag-cloud a:hover {
            border-color: var(--c-border-strong);
            color: var(--c-text-primary);
            background: rgba(108, 60, 244, 0.08);
            text-decoration: none;
        }
        .tip-list {
            list-style: none;
            padding: 0;
            margin: 0;
        }
        .tip-list li {
            padding: 12px 0;
            border-bottom: 1px solid var(--c-border);
            color: var(--c-text-secondary);
            font-size: 0.95rem;
            line-height: 1.6;
            display: flex;
            gap: 10px;
            align-items: flex-start;
        }
        .tip-list li:last-child {
            border-bottom: none;
        }
        .tip-list .tip-dot {
            display: inline-block;
            width: 8px;
            height: 8px;
            border-radius: 50%;
            background: var(--c-secondary);
            flex-shrink: 0;
            margin-top: 8px;
        }
        .strategy-strip {
            background: linear-gradient(90deg, rgba(108, 60, 244, 0.12) 0%, rgba(249, 115, 22, 0.06) 100%);
            border: 1px solid var(--c-border);
            border-radius: var(--radius-card);
            padding: 1.25rem 1.5rem;
            display: flex;
            align-items: center;
            justify-content: space-between;
            gap: 20px;
            flex-wrap: wrap;
        }
        .strategy-strip-text {
            font-size: 1rem;
            color: var(--c-text-primary);
            font-weight: 500;
        }
        .site-footer {
            background: #0A0C10;
            border-top: 1px solid rgba(108, 60, 244, 0.25);
            padding: 3.5rem 0 2rem;
        }
        .footer-logo {
            display: flex;
            align-items: center;
            gap: 8px;
            font-size: 1.25rem;
            font-weight: 700;
            color: var(--c-text-primary);
            margin-bottom: 12px;
        }
        .footer-desc {
            font-size: 0.9rem;
            color: var(--c-text-secondary);
            line-height: 1.7;
            margin-bottom: 0;
        }
        .footer-heading {
            font-size: 1rem;
            font-weight: 600;
            color: var(--c-text-primary);
            margin-bottom: 16px;
        }
        .footer-links {
            list-style: none;
            padding: 0;
            margin: 0;
        }
        .footer-links li {
            margin-bottom: 10px;
        }
        .footer-links a {
            color: var(--c-text-secondary);
            font-size: 0.9rem;
            text-decoration: none;
            transition: color var(--transition-base);
        }
        .footer-links a:hover {
            color: var(--c-secondary);
            text-decoration: underline;
            text-underline-offset: 4px;
        }
        .footer-bottom {
            border-top: 1px solid var(--c-border);
            margin-top: 2.5rem;
            padding-top: 1.5rem;
            display: flex;
            align-items: center;
            justify-content: space-between;
            flex-wrap: wrap;
            gap: 12px;
        }
        .copyright {
            font-size: 0.8rem;
            color: var(--c-text-muted);
        }
        .footer-meta-links {
            display: flex;
            align-items: center;
            gap: 8px;
            font-size: 0.8rem;
        }
        .footer-meta-links a {
            color: var(--c-text-muted);
            text-decoration: none;
        }
        .footer-meta-links a:hover {
            color: var(--c-secondary);
            text-decoration: underline;
            text-underline-offset: 4px;
        }
        @media (max-width: 991.98px) {
            .desktop-only {
                display: none !important;
            }
            .navbar-toggler-custom {
                display: flex;
            }
            .navbar-nav-custom {
                display: none;
            }
        }
        @media (max-width: 767.98px) {
            .container-custom {
                padding-left: 16px;
                padding-right: 16px;
            }
            .row {
                --bs-gutter-x: 16px;
            }
            section {
                padding: var(--section-padding-mobile);
            }
            .page-hero {
                padding: 2rem 0 1.5rem;
            }
            .category-title {
                font-size: 1.7rem;
            }
            .site-header {
                height: 56px;
            }
            .mobile-nav-collapse {
                top: 56px;
            }
            .strategy-strip {
                padding: 1rem;
                flex-direction: column;
                align-items: flex-start;
            }
            .footer-bottom {
                flex-direction: column;
                align-items: flex-start;
            }
        }
        @media (max-width: 575.98px) {
            .container-custom {
                padding-left: 12px;
                padding-right: 12px;
            }
            .row {
                --bs-gutter-x: 12px;
            }
            .category-desc {
                font-size: 0.9rem;
            }
        }

/* roulang page: category2 */
:root {
            --c-bg-primary: #0F1115;
            --c-bg-secondary: #161A20;
            --c-bg-card: #1C2129;
            --c-primary: #6C3CF4;
            --c-primary-hover: #7C4CF8;
            --c-secondary: #F97316;
            --c-secondary-hover: #FB8D3F;
            --c-accent: #14B8A6;
            --c-text-primary: #F5F7FA;
            --c-text-secondary: #A1A7B3;
            --c-text-muted: #6B7280;
            --c-border: rgba(255, 255, 255, 0.08);
            --c-border-strong: rgba(108, 60, 244, 0.45);
            --radius-card: 14px;
            --radius-sm: 8px;
            --radius-pill: 999px;
            --shadow-card: 0 8px 28px rgba(0, 0, 0, 0.35);
            --shadow-card-hover: 0 14px 40px rgba(108, 60, 244, 0.22);
            --fs-display: clamp(2.2rem, 5vw, 3.6rem);
            --fs-h1: clamp(1.8rem, 4vw, 2.6rem);
            --fs-h2: clamp(1.4rem, 3vw, 1.9rem);
            --fs-h3: 1.25rem;
            --fs-body: 1rem;
            --fs-small: 0.875rem;
            --font-cn: "PingFang SC", "Microsoft YaHei", "Hiragino Sans GB", "Noto Sans CJK SC", system-ui, sans-serif;
            --font-num: "Inter", "Roboto", system-ui, sans-serif;
            --section-padding: 4rem 0;
            --section-padding-mobile: 2.5rem 0;
            --transition-base: 0.25s ease;
        }

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

        body {
            font-family: var(--font-cn);
            font-size: var(--fs-body);
            font-weight: 400;
            line-height: 1.75;
            color: var(--c-text-primary);
            background-color: var(--c-bg-primary);
            -webkit-font-smoothing: antialiased;
            -moz-osx-font-smoothing: grayscale;
            overflow-x: hidden;
        }

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

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

        a:hover {
            color: var(--c-primary-hover);
            text-decoration: underline;
            text-decoration-thickness: 1px;
            text-underline-offset: 4px;
        }

        a:focus-visible,
        button:focus-visible,
        input:focus-visible,
        .btn:focus-visible,
        .accordion-button:focus-visible {
            outline: 2px solid var(--c-border-strong);
            outline-offset: 2px;
            border-radius: var(--radius-sm);
        }

        button,
        .btn {
            transition: background-color var(--transition-base), border-color var(--transition-base), color var(--transition-base), box-shadow var(--transition-base), transform var(--transition-base), filter var(--transition-base);
        }

        .container-custom {
            width: 100%;
            max-width: 1200px;
            margin: 0 auto;
            padding-left: 24px;
            padding-right: 24px;
        }

        .row {
            --bs-gutter-x: 24px;
        }

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

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

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

        .section-label {
            display: inline-block;
            font-size: 0.8rem;
            font-weight: 600;
            letter-spacing: 0.08em;
            text-transform: uppercase;
            color: var(--c-accent);
            background: rgba(20, 184, 166, 0.12);
            padding: 4px 12px;
            border-radius: var(--radius-pill);
            margin-bottom: 12px;
        }

        .section-title {
            font-size: var(--fs-h2);
            font-weight: 700;
            color: var(--c-text-primary);
            margin-bottom: 12px;
            line-height: 1.3;
            letter-spacing: -0.01em;
        }

        .section-subtitle {
            font-size: var(--fs-body);
            color: var(--c-text-secondary);
            line-height: 1.7;
            max-width: 720px;
            margin-bottom: 2rem;
        }

        .section-divider {
            width: 56px;
            height: 3px;
            background: linear-gradient(90deg, var(--c-primary), var(--c-secondary));
            border-radius: 2px;
            margin-bottom: 1.5rem;
        }

        /* Header / Navigation */
        .site-header {
            position: sticky;
            top: 0;
            z-index: 1050;
            background: linear-gradient(90deg, #2A1245 0%, #12141A 100%);
            height: 64px;
            display: flex;
            align-items: center;
            box-shadow: 0 2px 18px rgba(0, 0, 0, 0.45);
            border-bottom: 1px solid rgba(255, 255, 255, 0.06);
        }

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

        .navbar-logo {
            display: flex;
            align-items: center;
            gap: 8px;
            font-size: 1.25rem;
            font-weight: 700;
            color: var(--c-text-primary);
            text-decoration: none;
            white-space: nowrap;
            letter-spacing: 0.01em;
        }

        .navbar-logo:hover {
            color: var(--c-text-primary);
            text-decoration: none;
        }

        .logo-icon {
            width: 32px;
            height: 32px;
            border-radius: 6px;
            background: linear-gradient(135deg, var(--c-primary), var(--c-secondary));
            display: inline-flex;
            align-items: center;
            justify-content: center;
            font-size: 1rem;
            color: #fff;
            flex-shrink: 0;
        }

        .navbar-nav-custom {
            display: flex;
            align-items: center;
            gap: 4px;
            list-style: none;
            margin: 0;
            padding: 0;
        }

        .navbar-nav-custom li {
            margin: 0;
        }

        .navbar-nav-custom li a {
            display: block;
            padding: 6px 14px;
            font-size: 0.9rem;
            font-weight: 500;
            color: rgba(255, 255, 255, 0.85);
            border-radius: 6px;
            text-decoration: none;
            transition: color var(--transition-base), background-color var(--transition-base);
            white-space: nowrap;
        }

        .navbar-nav-custom li a:hover {
            color: #fff;
            background: rgba(255, 255, 255, 0.1);
            text-decoration: none;
        }

        .navbar-nav-custom li a.active {
            color: #fff;
            font-weight: 600;
            border-bottom: 3px solid var(--c-secondary);
            border-radius: 6px 6px 0 0;
        }

        .nav-cta-btn {
            display: inline-flex;
            align-items: center;
            gap: 6px;
            background: var(--c-secondary);
            color: #fff;
            font-weight: 600;
            font-size: 0.9rem;
            padding: 8px 18px;
            border-radius: var(--radius-pill);
            text-decoration: none;
            border: none;
            cursor: pointer;
            white-space: nowrap;
            transition: background-color var(--transition-base), transform var(--transition-base), box-shadow var(--transition-base);
        }

        .nav-cta-btn:hover {
            background: var(--c-secondary-hover);
            color: #fff;
            text-decoration: none;
            transform: translateY(-1px);
            box-shadow: 0 6px 20px rgba(249, 115, 22, 0.35);
        }

        .navbar-toggler-custom {
            display: none;
            flex-direction: column;
            gap: 5px;
            background: none;
            border: none;
            padding: 8px;
            cursor: pointer;
            border-radius: 6px;
        }

        .toggler-line {
            width: 24px;
            height: 2px;
            background: #fff;
            border-radius: 2px;
            transition: transform var(--transition-base), opacity var(--transition-base);
        }

        .mobile-nav-collapse {
            display: none;
            position: absolute;
            top: 64px;
            left: 0;
            right: 0;
            background: linear-gradient(135deg, #2A1245 0%, #12141A 100%);
            padding: 16px 24px;
            flex-direction: column;
            gap: 4px;
            border-bottom: 1px solid rgba(255, 255, 255, 0.06);
            z-index: 1049;
        }

        .mobile-nav-collapse.open {
            display: flex;
        }

        .mobile-nav-collapse a {
            color: rgba(255, 255, 255, 0.9);
            padding: 12px 16px;
            border-radius: 8px;
            font-size: 1rem;
            text-decoration: none;
            transition: background-color var(--transition-base), color var(--transition-base);
            border-bottom: 1px solid rgba(255, 255, 255, 0.04);
        }

        .mobile-nav-collapse a:hover {
            background: rgba(255, 255, 255, 0.08);
            color: #fff;
            text-decoration: none;
        }

        .mobile-nav-collapse .nav-cta-btn {
            margin-top: 8px;
            justify-content: center;
        }

        /* Class Page Header */
        .class-page-header {
            background: var(--c-bg-secondary);
            padding: 3rem 0 2.5rem;
            border-bottom: 1px solid var(--c-border);
            background: linear-gradient(180deg, #181B22 0%, #0F1115 100%);
        }

        .breadcrumb-custom {
            display: flex;
            align-items: center;
            gap: 8px;
            font-size: 0.85rem;
            color: var(--c-text-muted);
            margin-bottom: 16px;
            flex-wrap: wrap;
        }

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

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

        .breadcrumb-custom .sep {
            color: var(--c-text-muted);
            font-size: 0.75rem;
        }

        .breadcrumb-custom .current {
            color: var(--c-accent);
            font-weight: 500;
        }

        .class-page-header h1 {
            font-size: var(--fs-h1);
            font-weight: 800;
            color: var(--c-text-primary);
            margin-bottom: 12px;
            line-height: 1.25;
            letter-spacing: -0.01em;
        }

        .class-page-header .class-intro {
            font-size: var(--fs-body);
            color: var(--c-text-secondary);
            max-width: 800px;
            line-height: 1.7;
        }

        /* News List Section */
        .news-list-section {
            background: var(--c-bg-primary);
        }

        .news-list-item {
            display: flex;
            flex-direction: column;
            background: var(--c-bg-card);
            border: 1px solid var(--c-border);
            border-radius: var(--radius-card);
            padding: 24px;
            margin-bottom: 20px;
            transition: border-color var(--transition-base), box-shadow var(--transition-base), transform var(--transition-base);
            position: relative;
        }

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

        .news-date-block {
            display: flex;
            align-items: center;
            gap: 8px;
            margin-bottom: 10px;
        }

        .news-date {
            font-family: var(--font-num);
            font-size: 0.85rem;
            font-weight: 500;
            color: var(--c-text-muted);
            letter-spacing: 0.02em;
        }

        .news-tag {
            display: inline-block;
            font-size: 0.72rem;
            font-weight: 600;
            letter-spacing: 0.05em;
            color: #fff;
            background: var(--c-primary);
            padding: 3px 10px;
            border-radius: var(--radius-pill);
        }

        .news-tag.orange {
            background: var(--c-secondary);
        }

        .news-tag.teal {
            background: var(--c-accent);
        }

        .news-list-item h2 {
            font-size: var(--fs-h3);
            font-weight: 600;
            color: var(--c-text-primary);
            margin-bottom: 8px;
            line-height: 1.4;
        }

        .news-list-item h2 a {
            color: var(--c-text-primary);
            text-decoration: none;
            transition: color var(--transition-base);
        }

        .news-list-item h2 a:hover {
            color: var(--c-primary-hover);
            text-decoration: none;
        }

        .news-summary {
            font-size: var(--fs-small);
            color: var(--c-text-secondary);
            line-height: 1.7;
            margin-bottom: 14px;
        }

        .news-read-more {
            color: var(--c-secondary);
            font-size: 0.85rem;
            font-weight: 600;
            text-decoration: none;
            transition: color var(--transition-base);
            display: inline-flex;
            align-items: center;
            gap: 4px;
        }

        .news-read-more:hover {
            color: var(--c-secondary-hover);
            text-decoration: underline;
            text-underline-offset: 4px;
        }

        .news-read-more .arrow {
            transition: transform var(--transition-base);
        }

        .news-read-more:hover .arrow {
            transform: translateX(3px);
        }

        /* Hot Tags Section */
        .hot-tags-section {
            background: var(--c-bg-secondary);
            padding: 3rem 0;
        }

        .tags-cloud {
            display: flex;
            flex-wrap: wrap;
            gap: 10px;
        }

        .tag-chip {
            display: inline-block;
            padding: 6px 16px;
            font-size: 0.82rem;
            font-weight: 500;
            color: var(--c-text-secondary);
            background: var(--c-bg-card);
            border: 1px solid var(--c-border);
            border-radius: var(--radius-pill);
            text-decoration: none;
            transition: all var(--transition-base);
        }

        .tag-chip:hover {
            color: #fff;
            background: var(--c-primary);
            border-color: var(--c-primary);
            text-decoration: none;
            transform: translateY(-2px);
            box-shadow: 0 6px 16px rgba(108, 60, 244, 0.3);
        }

        /* Editor Picks */
        .editor-picks-section {
            background: var(--c-bg-primary);
        }

        .editor-pick-card {
            background: var(--c-bg-card);
            border: 1px solid var(--c-border);
            border-radius: var(--radius-card);
            overflow: hidden;
            transition: border-color var(--transition-base), box-shadow var(--transition-base), transform var(--transition-base);
            height: 100%;
            display: flex;
            flex-direction: column;
        }

        .editor-pick-card:hover {
            border-color: var(--c-border-strong);
            box-shadow: var(--shadow-card-hover);
            transform: translateY(-3px);
        }

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

        .editor-pick-card .card-img-wrapper img {
            width: 100%;
            height: 100%;
            object-fit: cover;
        }

        .editor-pick-card .card-body {
            padding: 16px 20px 20px;
            display: flex;
            flex-direction: column;
            flex: 1;
        }

        .editor-pick-card .card-title {
            font-size: 1rem;
            font-weight: 600;
            color: var(--c-text-primary);
            margin-bottom: 8px;
            line-height: 1.45;
        }

        .editor-pick-card .card-meta {
            font-size: 0.78rem;
            color: var(--c-text-muted);
            margin-bottom: 8px;
        }

        .editor-pick-card .card-desc {
            font-size: 0.82rem;
            color: var(--c-text-secondary);
            line-height: 1.6;
            flex: 1;
        }

        /* Data Reference Section */
        .data-reference-section {
            background: var(--c-bg-secondary);
            padding: 3.5rem 0;
        }

        .data-ref-box {
            background: var(--c-bg-card);
            border: 1px solid var(--c-border);
            border-radius: var(--radius-card);
            padding: 24px;
            height: 100%;
        }

        .data-ref-box .ref-label {
            font-size: 0.75rem;
            font-weight: 600;
            letter-spacing: 0.05em;
            text-transform: uppercase;
            color: var(--c-accent);
            margin-bottom: 8px;
        }

        .data-ref-box .ref-num {
            font-family: var(--font-num);
            font-size: 2.2rem;
            font-weight: 700;
            color: var(--c-text-primary);
            line-height: 1.2;
            margin-bottom: 6px;
            font-variant-numeric: tabular-nums;
        }

        .data-ref-box .ref-desc {
            font-size: 0.82rem;
            color: var(--c-text-secondary);
            line-height: 1.6;
        }

        /* CTA Section */
        .cta-section {
            background: linear-gradient(135deg, #2A1245 0%, #12141A 60%, #1C2129 100%);
            padding: 3.5rem 0;
            border-top: 1px solid var(--c-border-strong);
            border-bottom: 1px solid var(--c-border);
        }

        .cta-section .cta-title {
            font-size: var(--fs-h2);
            font-weight: 700;
            color: var(--c-text-primary);
            margin-bottom: 12px;
        }

        .cta-section .cta-text {
            font-size: var(--fs-body);
            color: var(--c-text-secondary);
            margin-bottom: 24px;
            max-width: 600px;
            line-height: 1.7;
        }

        .btn-custom-primary {
            display: inline-flex;
            align-items: center;
            gap: 8px;
            background: var(--c-primary);
            color: #fff;
            font-weight: 600;
            font-size: 0.95rem;
            padding: 12px 28px;
            border-radius: var(--radius-pill);
            border: none;
            cursor: pointer;
            text-decoration: none;
            transition: background-color var(--transition-base), transform var(--transition-base), box-shadow var(--transition-base);
        }

        .btn-custom-primary:hover {
            background: var(--c-primary-hover);
            color: #fff;
            text-decoration: none;
            transform: translateY(-2px);
            box-shadow: 0 8px 24px rgba(108, 60, 244, 0.35);
        }

        .btn-custom-secondary {
            display: inline-flex;
            align-items: center;
            gap: 8px;
            background: var(--c-secondary);
            color: #fff;
            font-weight: 600;
            font-size: 0.95rem;
            padding: 12px 28px;
            border-radius: var(--radius-pill);
            border: none;
            cursor: pointer;
            text-decoration: none;
            transition: background-color var(--transition-base), transform var(--transition-base), box-shadow var(--transition-base);
        }

        .btn-custom-secondary:hover {
            background: var(--c-secondary-hover);
            color: #fff;
            text-decoration: none;
            transform: translateY(-2px);
            box-shadow: 0 8px 24px rgba(249, 115, 22, 0.35);
        }

        /* Footer */
        .site-footer {
            background: #0A0C10;
            padding: 4rem 0 1.5rem;
            border-top: 1px solid var(--c-primary);
            border-image: linear-gradient(90deg, var(--c-primary), var(--c-secondary)) 1;
        }

        .footer-logo {
            display: flex;
            align-items: center;
            gap: 8px;
            font-size: 1.2rem;
            font-weight: 700;
            color: var(--c-text-primary);
            margin-bottom: 14px;
        }

        .footer-desc {
            font-size: 0.85rem;
            color: var(--c-text-secondary);
            line-height: 1.7;
            max-width: 320px;
        }

        .footer-heading {
            font-size: 0.9rem;
            font-weight: 600;
            color: var(--c-text-primary);
            margin-bottom: 14px;
            letter-spacing: 0.03em;
        }

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

        .footer-links a {
            color: var(--c-text-secondary);
            font-size: 0.85rem;
            text-decoration: none;
            transition: color var(--transition-base);
        }

        .footer-links a:hover {
            color: var(--c-secondary);
            text-decoration: underline;
            text-underline-offset: 3px;
        }

        .footer-bottom {
            margin-top: 3rem;
            padding-top: 1.5rem;
            border-top: 1px solid var(--c-border);
            display: flex;
            align-items: center;
            justify-content: space-between;
            flex-wrap: wrap;
            gap: 12px;
        }

        .copyright {
            font-size: 0.8rem;
            color: var(--c-text-muted);
        }

        .footer-meta-links {
            display: flex;
            align-items: center;
            gap: 12px;
        }

        .footer-meta-links a {
            font-size: 0.8rem;
            color: var(--c-text-secondary);
            text-decoration: none;
            transition: color var(--transition-base);
        }

        .footer-meta-links a:hover {
            color: var(--c-secondary);
            text-decoration: underline;
        }

        /* Responsive */
        @media (max-width: 991px) {
            .navbar-nav-custom {
                display: none;
            }

            .navbar-toggler-custom {
                display: flex;
            }

            .desktop-only {
                display: none;
            }

            .site-header {
                height: 56px;
            }

            .mobile-nav-collapse {
                top: 56px;
            }

            .row {
                --bs-gutter-x: 18px;
            }

            section {
                padding: var(--section-padding-mobile);
            }

            .class-page-header {
                padding: 2.5rem 0 2rem;
            }
        }

        @media (max-width: 767px) {
            .container-custom {
                padding-left: 16px;
                padding-right: 16px;
            }

            .row {
                --bs-gutter-x: 12px;
            }

            .news-list-item {
                padding: 18px;
                margin-bottom: 14px;
            }

            .cta-section {
                padding: 2.5rem 0;
            }

            .data-ref-box .ref-num {
                font-size: 1.7rem;
            }

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

        @media (max-width: 575px) {
            .container-custom {
                padding-left: 12px;
                padding-right: 12px;
            }

            .class-page-header h1 {
                font-size: clamp(1.5rem, 7vw, 2rem);
            }

            .news-list-item {
                padding: 16px;
                border-radius: 12px;
            }

            .btn-custom-primary,
            .btn-custom-secondary {
                padding: 10px 22px;
                font-size: 0.85rem;
            }
        }

/* roulang page: category1 */
:root {
            --c-bg-primary: #0F1115;
            --c-bg-secondary: #161A20;
            --c-bg-card: #1C2129;
            --c-primary: #6C3CF4;
            --c-primary-hover: #7C4CF8;
            --c-secondary: #F97316;
            --c-secondary-hover: #FB8D3F;
            --c-accent: #14B8A6;
            --c-text-primary: #F5F7FA;
            --c-text-secondary: #A1A7B3;
            --c-text-muted: #6B7280;
            --c-border: rgba(255, 255, 255, 0.08);
            --c-border-strong: rgba(108, 60, 244, 0.45);
            --radius-card: 14px;
            --radius-sm: 8px;
            --radius-pill: 999px;
            --shadow-card: 0 8px 28px rgba(0, 0, 0, 0.35);
            --shadow-card-hover: 0 14px 40px rgba(108, 60, 244, 0.22);
            --fs-display: clamp(2.2rem, 5vw, 3.6rem);
            --fs-h1: clamp(1.8rem, 4vw, 2.6rem);
            --fs-h2: clamp(1.4rem, 3vw, 1.9rem);
            --fs-h3: 1.25rem;
            --fs-body: 1rem;
            --fs-small: 0.875rem;
            --font-cn: "PingFang SC", "Microsoft YaHei", "Hiragino Sans GB", "Noto Sans CJK SC", system-ui, sans-serif;
            --font-num: "Inter", "Roboto", system-ui, sans-serif;
            --section-padding: 4rem 0;
            --section-padding-mobile: 2.5rem 0;
            --transition-base: 0.25s ease;
        }

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

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

        body {
            font-family: var(--font-cn);
            font-size: var(--fs-body);
            font-weight: 400;
            line-height: 1.75;
            color: var(--c-text-primary);
            background-color: var(--c-bg-primary);
            -webkit-font-smoothing: antialiased;
            -moz-osx-font-smoothing: grayscale;
            overflow-x: hidden;
            margin: 0;
            padding: 0;
        }

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

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

        a:hover {
            color: var(--c-primary-hover);
            text-decoration: underline;
            text-decoration-thickness: 1px;
            text-underline-offset: 4px;
        }

        a:focus-visible,
        button:focus-visible,
        input:focus-visible,
        .btn:focus-visible,
        .accordion-button:focus-visible {
            outline: 2px solid var(--c-border-strong);
            outline-offset: 2px;
            border-radius: var(--radius-sm);
        }

        button,
        .btn {
            transition: background-color var(--transition-base), border-color var(--transition-base), color var(--transition-base), box-shadow var(--transition-base), transform var(--transition-base), filter var(--transition-base);
        }

        .container-custom {
            width: 100%;
            max-width: 1200px;
            margin: 0 auto;
            padding-left: 24px;
            padding-right: 24px;
        }

        .row {
            --bs-gutter-x: 24px;
        }

        /* Header / Navigation */
        .site-header {
            position: sticky;
            top: 0;
            z-index: 1050;
            background: linear-gradient(90deg, #2A1245 0%, #12141A 100%);
            height: 64px;
            display: flex;
            align-items: center;
            box-shadow: 0 2px 18px rgba(0, 0, 0, 0.45);
            border-bottom: 1px solid rgba(255, 255, 255, 0.06);
        }

        .site-header .container-custom {
            display: flex;
            align-items: center;
            justify-content: space-between;
            width: 100%;
            gap: 16px;
            flex-wrap: nowrap;
        }

        .navbar-logo {
            display: flex;
            align-items: center;
            gap: 8px;
            font-size: 1.25rem;
            font-weight: 700;
            color: var(--c-text-primary);
            text-decoration: none;
            white-space: nowrap;
            flex-shrink: 0;
        }

        .navbar-logo:hover {
            color: var(--c-text-primary);
            text-decoration: none;
        }

        .logo-icon {
            width: 32px;
            height: 32px;
            border-radius: 6px;
            background: linear-gradient(135deg, var(--c-primary), var(--c-secondary));
            display: inline-flex;
            align-items: center;
            justify-content: center;
            font-size: 0.9rem;
            color: #fff;
            flex-shrink: 0;
        }

        .navbar-nav-custom {
            display: flex;
            align-items: center;
            gap: 4px;
            list-style: none;
            margin: 0;
            padding: 0;
            flex-wrap: nowrap;
        }

        .navbar-nav-custom li a {
            display: block;
            padding: 8px 14px;
            font-size: 0.9rem;
            font-weight: 500;
            color: rgba(245, 247, 250, 0.9);
            border-radius: 6px;
            text-decoration: none;
            white-space: nowrap;
            transition: color var(--transition-base), background-color var(--transition-base);
        }

        .navbar-nav-custom li a:hover {
            color: #fff;
            background: rgba(255, 255, 255, 0.1);
            text-decoration: none;
        }

        .navbar-nav-custom li a.active {
            color: #fff;
            font-weight: 700;
            background: rgba(255, 255, 255, 0.08);
            border-bottom: 3px solid var(--c-secondary);
            border-radius: 6px 6px 0 0;
        }

        .nav-cta-btn {
            display: inline-flex;
            align-items: center;
            justify-content: center;
            padding: 8px 18px;
            font-size: 0.9rem;
            font-weight: 600;
            color: #fff;
            background: var(--c-secondary);
            border-radius: var(--radius-pill);
            text-decoration: none;
            white-space: nowrap;
            flex-shrink: 0;
            transition: background-color var(--transition-base), transform var(--transition-base), filter var(--transition-base);
            border: none;
            cursor: pointer;
        }

        .nav-cta-btn:hover {
            background: var(--c-secondary-hover);
            color: #fff;
            text-decoration: none;
            filter: saturate(1.05);
            transform: translateY(-1px);
        }

        .nav-cta-btn:active {
            transform: translateY(1px);
            filter: saturate(0.95);
        }

        .navbar-toggler-custom {
            display: none;
            flex-direction: column;
            gap: 4px;
            background: transparent;
            border: none;
            cursor: pointer;
            padding: 8px;
            flex-shrink: 0;
        }

        .toggler-line {
            display: block;
            width: 22px;
            height: 2px;
            background: #fff;
            border-radius: 1px;
            transition: transform var(--transition-base), opacity var(--transition-base);
        }

        .mobile-nav-collapse {
            display: none;
            position: absolute;
            top: 64px;
            left: 0;
            right: 0;
            background: linear-gradient(90deg, #2A1245 0%, #12141A 100%);
            padding: 16px 24px 24px;
            flex-direction: column;
            gap: 6px;
            z-index: 1049;
            box-shadow: 0 18px 30px rgba(0, 0, 0, 0.5);
            border-bottom: 1px solid rgba(255, 255, 255, 0.08);
        }

        .mobile-nav-collapse a {
            display: block;
            padding: 12px 16px;
            color: rgba(245, 247, 250, 0.9);
            font-size: 1rem;
            font-weight: 500;
            border-radius: 8px;
            text-decoration: none;
            transition: background-color var(--transition-base), color var(--transition-base);
        }

        .mobile-nav-collapse a:hover {
            background: rgba(255, 255, 255, 0.1);
            color: #fff;
            text-decoration: none;
        }

        .mobile-nav-collapse a.active {
            color: #fff;
            font-weight: 700;
            background: rgba(255, 255, 255, 0.08);
            border-left: 3px solid var(--c-secondary);
        }

        .mobile-nav-collapse.show {
            display: flex;
        }

        /* Breadcrumb */
        .breadcrumb-section {
            padding: 1rem 0 0.5rem;
            background: var(--c-bg-primary);
            border-bottom: 1px solid var(--c-border);
        }

        .breadcrumb-custom {
            list-style: none;
            display: flex;
            align-items: center;
            gap: 8px;
            margin: 0;
            padding: 0;
            font-size: 0.85rem;
            color: var(--c-text-muted);
            flex-wrap: wrap;
        }

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

        .breadcrumb-custom li a {
            color: var(--c-text-secondary);
            text-decoration: none;
            transition: color var(--transition-base);
        }

        .breadcrumb-custom li a:hover {
            color: var(--c-primary-hover);
            text-decoration: underline;
        }

        .breadcrumb-custom li span {
            color: var(--c-text-muted);
        }

        .breadcrumb-custom li.current {
            color: var(--c-text-primary);
            font-weight: 600;
        }

        /* Category Hero */
        .category-hero {
            position: relative;
            background: var(--c-bg-secondary);
            padding: 3.5rem 0;
            min-height: 42vh;
            display: flex;
            align-items: center;
            border-bottom: 1px solid var(--c-border);
            overflow: hidden;
        }

        .category-hero::before {
            content: '';
            position: absolute;
            top: 0;
            left: 0;
            right: 0;
            bottom: 0;
            background: linear-gradient(135deg, rgba(42, 18, 69, 0.7) 0%, rgba(15, 17, 21, 0.95) 100%);
            z-index: 1;
        }

        .category-hero-bg {
            position: absolute;
            top: 0;
            left: 0;
            right: 0;
            bottom: 0;
            background-image: url('/assets/images/be71a20b704ee87a.jpg');
            background-size: cover;
            background-position: center;
            z-index: 0;
        }

        .category-hero .container-custom {
            position: relative;
            z-index: 2;
        }

        .category-hero h1 {
            font-size: var(--fs-h1);
            font-weight: 800;
            color: var(--c-text-primary);
            margin-bottom: 12px;
            letter-spacing: -0.02em;
            line-height: 1.25;
        }

        .category-hero p {
            font-size: 1.1rem;
            color: var(--c-text-secondary);
            line-height: 1.7;
            max-width: 680px;
            margin-bottom: 0;
        }

        .category-badge {
            display: inline-block;
            font-size: 0.8rem;
            font-weight: 600;
            letter-spacing: 0.06em;
            text-transform: uppercase;
            color: var(--c-secondary);
            background: rgba(249, 115, 22, 0.15);
            padding: 4px 14px;
            border-radius: var(--radius-pill);
            margin-bottom: 12px;
        }

        /* Section common */
        section {
            padding: var(--section-padding);
            position: relative;
        }

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

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

        .section-label {
            display: inline-block;
            font-size: 0.8rem;
            font-weight: 600;
            letter-spacing: 0.08em;
            text-transform: uppercase;
            color: var(--c-accent);
            background: rgba(20, 184, 166, 0.12);
            padding: 4px 12px;
            border-radius: var(--radius-pill);
            margin-bottom: 12px;
        }

        .section-title {
            font-size: var(--fs-h2);
            font-weight: 700;
            color: var(--c-text-primary);
            margin-bottom: 12px;
            line-height: 1.3;
            letter-spacing: -0.01em;
        }

        .section-subtitle {
            font-size: var(--fs-body);
            color: var(--c-text-secondary);
            line-height: 1.7;
            max-width: 720px;
            margin-bottom: 2rem;
        }

        .section-divider {
            width: 56px;
            height: 3px;
            background: linear-gradient(90deg, var(--c-primary), var(--c-secondary));
            border-radius: 2px;
            margin-bottom: 1.5rem;
        }

        /* Schedule cards */
        .schedule-card {
            background: var(--c-bg-card);
            border: 1px solid var(--c-border);
            border-radius: var(--radius-card);
            padding: 18px 20px;
            box-shadow: var(--shadow-card);
            transition: border-color var(--transition-base), box-shadow var(--transition-base), transform var(--transition-base);
            height: 100%;
            display: flex;
            flex-direction: column;
            gap: 10px;
        }

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

        .schedule-card-time {
            display: flex;
            align-items: center;
            gap: 6px;
            font-size: 0.8rem;
            font-weight: 600;
            color: var(--c-accent);
            letter-spacing: 0.04em;
        }

        .schedule-card-time i {
            font-size: 0.85rem;
        }

        .schedule-card-title {
            font-size: 1.05rem;
            font-weight: 700;
            color: var(--c-text-primary);
            line-height: 1.4;
            margin: 0;
        }

        .schedule-card-matchup {
            display: flex;
            align-items: center;
            gap: 12px;
            font-size: 1.05rem;
            font-weight: 600;
            color: var(--c-text-primary);
            flex-wrap: wrap;
        }

        .schedule-card-matchup .vs {
            color: var(--c-secondary);
            font-weight: 800;
        }

        .schedule-card-tags {
            display: flex;
            align-items: center;
            gap: 6px;
            flex-wrap: wrap;
        }

        .badge-tag {
            display: inline-block;
            font-size: 0.75rem;
            font-weight: 500;
            padding: 3px 10px;
            border-radius: var(--radius-pill);
            background: rgba(108, 60, 244, 0.15);
            color: var(--c-primary-hover);
            letter-spacing: 0.03em;
        }

        .badge-tag.orange {
            background: rgba(249, 115, 22, 0.15);
            color: var(--c-secondary);
        }

        .badge-tag.teal {
            background: rgba(20, 184, 166, 0.15);
            color: var(--c-accent);
        }

        .schedule-card-status {
            display: inline-flex;
            align-items: center;
            gap: 5px;
            font-size: 0.75rem;
            font-weight: 600;
            padding: 3px 10px;
            border-radius: var(--radius-pill);
            background: rgba(20, 184, 166, 0.15);
            color: var(--c-accent);
        }

        .schedule-card-status.upcoming {
            background: rgba(108, 60, 244, 0.18);
            color: var(--c-primary-hover);
        }

        .schedule-card-status.live {
            background: rgba(249, 115, 22, 0.2);
            color: var(--c-secondary);
            animation: pulse-live 1.5s ease-in-out infinite;
        }

        @keyframes pulse-live {
            0%, 100% { opacity: 1; }
            50% { opacity: 0.6; }
        }

        /* Data snapshot */
        .data-snapshot-card {
            background: var(--c-bg-card);
            border: 1px solid var(--c-border);
            border-radius: var(--radius-card);
            padding: 22px 20px;
            text-align: center;
            height: 100%;
            transition: border-color var(--transition-base), transform var(--transition-base);
        }

        .data-snapshot-card:hover {
            border-color: var(--c-border-strong);
            transform: translateY(-2px);
        }

        .data-snapshot-value {
            font-family: var(--font-num);
            font-size: 2rem;
            font-weight: 800;
            color: var(--c-accent);
            line-height: 1.2;
            font-variant-numeric: tabular-nums;
        }

        .data-snapshot-value.orange {
            color: var(--c-secondary);
        }

        .data-snapshot-value.purple {
            color: var(--c-primary-hover);
        }

        .data-snapshot-label {
            font-size: 0.85rem;
            font-weight: 500;
            color: var(--c-text-secondary);
            margin-top: 6px;
        }

        .data-bar {
            display: block;
            height: 6px;
            border-radius: 3px;
            background: rgba(255, 255, 255, 0.08);
            margin-top: 10px;
            overflow: hidden;
        }

        .data-bar-fill {
            display: block;
            height: 100%;
            border-radius: 3px;
            background: linear-gradient(90deg, var(--c-primary), var(--c-secondary));
            transition: width 0.6s ease;
        }

        /* Review cards */
        .review-card {
            background: var(--c-bg-card);
            border: 1px solid var(--c-border);
            border-radius: var(--radius-card);
            overflow: hidden;
            box-shadow: var(--shadow-card);
            transition: border-color var(--transition-base), box-shadow var(--transition-base), transform var(--transition-base);
            height: 100%;
        }

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

        .review-card-img {
            width: 100%;
            aspect-ratio: 16/9;
            object-fit: cover;
            border-bottom: 1px solid var(--c-border);
        }

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

        .review-card-date {
            font-size: 0.8rem;
            color: var(--c-text-muted);
            margin-bottom: 6px;
        }

        .review-card-title {
            font-size: 1.1rem;
            font-weight: 700;
            color: var(--c-text-primary);
            margin-bottom: 8px;
            line-height: 1.4;
        }

        .review-card-text {
            font-size: 0.85rem;
            color: var(--c-text-secondary);
            line-height: 1.6;
            margin-bottom: 0;
        }

        /* Tips bar */
        .tips-bar {
            background: var(--c-bg-secondary);
            border: 1px solid var(--c-border);
            border-radius: var(--radius-card);
            padding: 22px 24px;
            display: flex;
            align-items: flex-start;
            gap: 16px;
            flex-wrap: wrap;
        }

        .tips-bar-icon {
            width: 44px;
            height: 44px;
            border-radius: 50%;
            background: rgba(20, 184, 166, 0.15);
            color: var(--c-accent);
            display: inline-flex;
            align-items: center;
            justify-content: center;
            font-size: 1.2rem;
            flex-shrink: 0;
        }

        .tips-bar-content {
            flex: 1;
            min-width: 260px;
        }

        .tips-bar-content h4 {
            font-size: 1rem;
            font-weight: 700;
            color: var(--c-text-primary);
            margin-bottom: 6px;
        }

        .tips-bar-content p {
            font-size: 0.9rem;
            color: var(--c-text-secondary);
            line-height: 1.6;
            margin: 0;
        }

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

        .tag-cloud-item {
            display: inline-block;
            font-size: 0.85rem;
            font-weight: 500;
            padding: 6px 16px;
            border-radius: var(--radius-pill);
            background: var(--c-bg-card);
            border: 1px solid var(--c-border);
            color: var(--c-text-secondary);
            cursor: default;
            transition: border-color var(--transition-base), color var(--transition-base), background var(--transition-base);
        }

        .tag-cloud-item:hover {
            border-color: var(--c-border-strong);
            color: var(--c-text-primary);
            background: rgba(108, 60, 244, 0.08);
        }

        /* Source note */
        .source-note {
            background: var(--c-bg-card);
            border: 1px dashed var(--c-border);
            border-radius: var(--radius-card);
            padding: 20px 24px;
            display: flex;
            align-items: center;
            gap: 14px;
        }

        .source-note-icon {
            font-size: 1.4rem;
            color: var(--c-accent);
            flex-shrink: 0;
        }

        .source-note p {
            font-size: 0.85rem;
            color: var(--c-text-secondary);
            line-height: 1.6;
            margin: 0;
        }

        /* Footer */
        .site-footer {
            background: #0A0C10;
            padding: 3rem 0 1.5rem;
            border-top: 2px solid rgba(108, 60, 244, 0.3);
        }

        .footer-logo {
            display: flex;
            align-items: center;
            gap: 8px;
            font-size: 1.15rem;
            font-weight: 700;
            color: var(--c-text-primary);
            margin-bottom: 12px;
        }

        .footer-desc {
            font-size: 0.9rem;
            color: var(--c-text-secondary);
            line-height: 1.7;
            margin-bottom: 0;
        }

        .footer-heading {
            font-size: 0.95rem;
            font-weight: 700;
            color: var(--c-text-primary);
            margin-bottom: 14px;
            letter-spacing: 0.02em;
        }

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

        .footer-links a {
            font-size: 0.85rem;
            color: var(--c-text-secondary);
            text-decoration: none;
            transition: color var(--transition-base);
        }

        .footer-links a:hover {
            color: var(--c-secondary);
            text-decoration: underline;
            text-underline-offset: 3px;
        }

        .footer-bottom {
            margin-top: 2rem;
            padding-top: 1.5rem;
            border-top: 1px solid var(--c-border);
            display: flex;
            align-items: center;
            justify-content: space-between;
            flex-wrap: wrap;
            gap: 12px;
        }

        .copyright {
            font-size: 0.8rem;
            color: var(--c-text-muted);
        }

        .footer-meta-links {
            display: flex;
            align-items: center;
            gap: 10px;
        }

        .footer-meta-links a {
            font-size: 0.8rem;
            color: var(--c-text-secondary);
            text-decoration: none;
            transition: color var(--transition-base);
        }

        .footer-meta-links a:hover {
            color: var(--c-secondary);
            text-decoration: underline;
            text-underline-offset: 3px;
        }

        /* Responsive */
        @media (max-width: 992px) {
            .desktop-only {
                display: none !important;
            }
            .navbar-toggler-custom {
                display: flex;
            }
            .navbar-nav-custom {
                display: none;
            }
            .site-header .container-custom {
                flex-wrap: nowrap;
            }
            .category-hero {
                min-height: 36vh;
                padding: 2.5rem 0;
            }
            .category-hero h1 {
                font-size: clamp(1.6rem, 5vw, 2.2rem);
            }
            .category-hero p {
                font-size: 1rem;
            }
        }

        @media (max-width: 768px) {
            .container-custom {
                padding-left: 18px;
                padding-right: 18px;
            }
            .row {
                --bs-gutter-x: 18px;
            }
            section {
                padding: 2.5rem 0;
            }
            .site-header {
                height: 48px;
            }
            .site-header .navbar-logo {
                font-size: 1.05rem;
            }
            .logo-icon {
                width: 28px;
                height: 28px;
                font-size: 0.8rem;
            }
            .mobile-nav-collapse {
                top: 48px;
            }
            .schedule-card {
                padding: 14px 16px;
                border-radius: 12px;
            }
            .schedule-card-matchup {
                font-size: 0.95rem;
                gap: 8px;
            }
            .schedule-card-title {
                font-size: 0.95rem;
            }
            .data-snapshot-value {
                font-size: 1.6rem;
            }
            .tips-bar {
                padding: 16px 18px;
                border-radius: 12px;
            }
            .review-card {
                border-radius: 12px;
            }
            .source-note {
                padding: 16px 18px;
                border-radius: 12px;
                flex-direction: column;
                align-items: flex-start;
                gap: 10px;
            }
            .footer-bottom {
                flex-direction: column;
                align-items: flex-start;
                gap: 8px;
            }
            .category-hero {
                min-height: auto;
                padding: 2rem 0;
            }
        }

        @media (max-width: 520px) {
            .container-custom {
                padding-left: 12px;
                padding-right: 12px;
            }
            .row {
                --bs-gutter-x: 12px;
            }
            .navbar-logo {
                font-size: 0.95rem;
                gap: 6px;
            }
            .logo-icon {
                width: 24px;
                height: 24px;
                font-size: 0.7rem;
                border-radius: 4px;
            }
            .nav-cta-btn {
                padding: 6px 12px;
                font-size: 0.8rem;
            }
            .category-hero h1 {
                font-size: 1.5rem;
            }
            .category-hero p {
                font-size: 0.9rem;
                line-height: 1.6;
            }
            .section-title {
                font-size: 1.3rem;
            }
            .schedule-card-matchup {
                font-size: 0.85rem;
            }
            .schedule-card {
                padding: 12px 14px;
            }
        }

/* roulang page: category6 */
:root {
            --c-bg-primary: #0F1115;
            --c-bg-secondary: #161A20;
            --c-bg-card: #1C2129;
            --c-primary: #6C3CF4;
            --c-primary-hover: #7C4CF8;
            --c-secondary: #F97316;
            --c-secondary-hover: #FB8D3F;
            --c-accent: #14B8A6;
            --c-text-primary: #F5F7FA;
            --c-text-secondary: #A1A7B3;
            --c-text-muted: #6B7280;
            --c-border: rgba(255, 255, 255, 0.08);
            --c-border-strong: rgba(108, 60, 244, 0.45);
            --radius-card: 14px;
            --radius-sm: 8px;
            --radius-pill: 999px;
            --shadow-card: 0 8px 28px rgba(0, 0, 0, 0.35);
            --shadow-card-hover: 0 14px 40px rgba(108, 60, 244, 0.22);
            --fs-display: clamp(2.2rem, 5vw, 3.6rem);
            --fs-h1: clamp(1.8rem, 4vw, 2.6rem);
            --fs-h2: clamp(1.4rem, 3vw, 1.9rem);
            --fs-h3: 1.25rem;
            --fs-body: 1rem;
            --fs-small: 0.875rem;
            --font-cn: "PingFang SC", "Microsoft YaHei", "Hiragino Sans GB", "Noto Sans CJK SC", system-ui, sans-serif;
            --font-num: "Inter", "Roboto", system-ui, sans-serif;
            --section-padding: 4rem 0;
            --section-padding-mobile: 2.5rem 0;
            --transition-base: 0.25s ease;
        }

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

        body {
            font-family: var(--font-cn);
            font-size: var(--fs-body);
            font-weight: 400;
            line-height: 1.75;
            color: var(--c-text-primary);
            background-color: var(--c-bg-primary);
            -webkit-font-smoothing: antialiased;
            -moz-osx-font-smoothing: grayscale;
            overflow-x: hidden;
        }

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

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

        a:hover {
            color: var(--c-primary-hover);
            text-decoration: underline;
            text-decoration-thickness: 1px;
            text-underline-offset: 4px;
        }

        a:focus-visible,
        button:focus-visible,
        input:focus-visible,
        .btn:focus-visible,
        .accordion-button:focus-visible {
            outline: 2px solid var(--c-border-strong);
            outline-offset: 2px;
            border-radius: var(--radius-sm);
        }

        button,
        .btn {
            transition: background-color var(--transition-base), border-color var(--transition-base), color var(--transition-base), box-shadow var(--transition-base), transform var(--transition-base), filter var(--transition-base);
        }

        .container-custom {
            width: 100%;
            max-width: 1200px;
            margin: 0 auto;
            padding-left: 24px;
            padding-right: 24px;
        }

        .row {
            --bs-gutter-x: 24px;
        }

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

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

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

        .section-label {
            display: inline-block;
            font-size: 0.8rem;
            font-weight: 600;
            letter-spacing: 0.08em;
            text-transform: uppercase;
            color: var(--c-accent);
            background: rgba(20, 184, 166, 0.12);
            padding: 4px 12px;
            border-radius: var(--radius-pill);
            margin-bottom: 12px;
        }

        .section-title {
            font-size: var(--fs-h2);
            font-weight: 700;
            color: var(--c-text-primary);
            margin-bottom: 12px;
            line-height: 1.3;
            letter-spacing: -0.01em;
        }

        .section-subtitle {
            font-size: var(--fs-body);
            color: var(--c-text-secondary);
            line-height: 1.7;
            max-width: 720px;
            margin-bottom: 2rem;
        }

        .section-divider {
            width: 56px;
            height: 3px;
            background: linear-gradient(90deg, var(--c-primary), var(--c-secondary));
            border-radius: 2px;
            margin-bottom: 1.5rem;
        }

        /* Header / Navigation */
        .site-header {
            position: sticky;
            top: 0;
            z-index: 1050;
            background: linear-gradient(90deg, #2A1245 0%, #12141A 100%);
            height: 64px;
            display: flex;
            align-items: center;
            box-shadow: 0 2px 18px rgba(0, 0, 0, 0.45);
            border-bottom: 1px solid rgba(255, 255, 255, 0.06);
        }

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

        .navbar-logo {
            display: flex;
            align-items: center;
            gap: 8px;
            font-size: 1.25rem;
            font-weight: 700;
            color: var(--c-text-primary);
            text-decoration: none;
            white-space: nowrap;
        }

        .navbar-logo:hover {
            text-decoration: none;
            color: var(--c-text-primary);
        }

        .logo-icon {
            width: 28px;
            height: 28px;
            border-radius: 6px;
            background: linear-gradient(135deg, var(--c-primary), var(--c-secondary));
            display: inline-flex;
            align-items: center;
            justify-content: center;
            font-size: 0.9rem;
            color: #fff;
            flex-shrink: 0;
        }

        .navbar-nav-custom {
            display: flex;
            list-style: none;
            margin: 0;
            padding: 0;
            gap: 4px;
            align-items: center;
        }

        .navbar-nav-custom li a {
            display: block;
            padding: 8px 14px;
            font-size: 0.95rem;
            font-weight: 500;
            color: rgba(245, 247, 250, 0.9);
            border-radius: 6px;
            text-decoration: none;
            transition: background-color var(--transition-base), color var(--transition-base);
        }

        .navbar-nav-custom li a:hover {
            background-color: rgba(255, 255, 255, 0.1);
            color: #fff;
            text-decoration: none;
        }

        .navbar-nav-custom li a.active {
            color: #fff;
            font-weight: 600;
            border-bottom: 3px solid var(--c-secondary);
            background-color: rgba(255, 255, 255, 0.08);
            border-radius: 6px 6px 0 0;
        }

        .nav-cta-btn {
            display: inline-flex;
            align-items: center;
            justify-content: center;
            font-size: 0.95rem;
            font-weight: 600;
            color: #fff;
            background-color: var(--c-secondary);
            padding: 8px 18px;
            border-radius: var(--radius-pill);
            text-decoration: none;
            border: none;
            cursor: pointer;
            transition: background-color var(--transition-base), transform var(--transition-base), filter var(--transition-base);
        }

        .nav-cta-btn:hover {
            background-color: var(--c-secondary-hover);
            color: #fff;
            text-decoration: none;
            filter: saturate(1.05);
        }

        .nav-cta-btn:active {
            transform: translateY(1px);
            filter: brightness(0.9);
        }

        .navbar-toggler-custom {
            display: none;
            flex-direction: column;
            gap: 5px;
            background: none;
            border: none;
            cursor: pointer;
            padding: 8px;
            border-radius: var(--radius-sm);
        }

        .toggler-line {
            display: block;
            width: 24px;
            height: 2px;
            background-color: #fff;
            border-radius: 2px;
            transition: transform var(--transition-base), opacity var(--transition-base);
        }

        .mobile-nav-collapse {
            display: none;
            position: absolute;
            top: 64px;
            left: 0;
            right: 0;
            background: linear-gradient(90deg, #2A1245 0%, #12141A 100%);
            padding: 16px 24px;
            flex-direction: column;
            gap: 8px;
            border-bottom: 1px solid rgba(255, 255, 255, 0.08);
            z-index: 1049;
        }

        .mobile-nav-collapse.open {
            display: flex;
        }

        .mobile-nav-collapse a {
            display: block;
            padding: 10px 14px;
            color: rgba(245, 247, 250, 0.9);
            border-radius: 6px;
            text-decoration: none;
            font-weight: 500;
        }

        .mobile-nav-collapse a:hover {
            background-color: rgba(255, 255, 255, 0.1);
            color: #fff;
            text-decoration: none;
        }

        .mobile-nav-collapse .nav-cta-btn {
            margin-top: 8px;
            text-align: center;
        }

        /* Category Page Header */
        .category-page-header {
            background-color: var(--c-bg-secondary);
            padding: 2.5rem 0 2rem;
            border-bottom: 1px solid var(--c-border);
            position: relative;
        }

        .breadcrumb-custom {
            display: flex;
            align-items: center;
            gap: 8px;
            font-size: var(--fs-small);
            color: var(--c-text-muted);
            margin-bottom: 1rem;
        }

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

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

        .breadcrumb-custom .separator {
            color: var(--c-text-muted);
            opacity: 0.6;
        }

        .breadcrumb-custom .current {
            color: var(--c-text-secondary);
        }

        .category-page-header h1 {
            font-size: var(--fs-h1);
            font-weight: 800;
            color: var(--c-text-primary);
            margin-bottom: 12px;
            line-height: 1.25;
            letter-spacing: -0.01em;
        }

        .category-page-header .category-desc {
            font-size: var(--fs-body);
            color: var(--c-text-secondary);
            max-width: 720px;
            line-height: 1.7;
        }

        /* Guide Cards */
        .guide-card {
            background-color: var(--c-bg-card);
            border: 1px solid var(--c-border);
            border-radius: var(--radius-card);
            overflow: hidden;
            box-shadow: var(--shadow-card);
            transition: transform var(--transition-base), box-shadow var(--transition-base), border-color var(--transition-base);
            height: 100%;
            display: flex;
            flex-direction: column;
        }

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

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

        .guide-card-img img {
            width: 100%;
            height: 100%;
            object-fit: cover;
            transition: transform 0.4s ease;
        }

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

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

        .guide-card-tags {
            display: flex;
            flex-wrap: wrap;
            gap: 6px;
            margin-bottom: 10px;
        }

        .guide-tag {
            display: inline-block;
            font-size: 0.75rem;
            font-weight: 500;
            color: var(--c-accent);
            background: rgba(20, 184, 166, 0.12);
            padding: 3px 10px;
            border-radius: var(--radius-pill);
        }

        .guide-tag.orange {
            color: var(--c-secondary);
            background: rgba(249, 115, 22, 0.12);
        }

        .guide-tag.purple {
            color: var(--c-primary-hover);
            background: rgba(108, 60, 244, 0.12);
        }

        .guide-card-title {
            font-size: var(--fs-h3);
            font-weight: 600;
            color: var(--c-text-primary);
            margin-bottom: 8px;
            line-height: 1.4;
        }

        .guide-card-excerpt {
            font-size: var(--fs-small);
            color: var(--c-text-secondary);
            line-height: 1.7;
            margin-bottom: 1rem;
            flex: 1;
        }

        .guide-card-link {
            display: inline-flex;
            align-items: center;
            gap: 4px;
            font-size: var(--fs-small);
            font-weight: 600;
            color: var(--c-secondary);
            text-decoration: none;
            transition: color var(--transition-base), gap var(--transition-base);
        }

        .guide-card-link:hover {
            color: var(--c-secondary-hover);
            text-decoration: underline;
            gap: 8px;
        }

        /* Info Blocks */
        .info-block {
            background-color: var(--c-bg-card);
            border: 1px solid var(--c-border);
            border-radius: var(--radius-card);
            padding: 1.5rem;
            height: 100%;
            transition: border-color var(--transition-base), box-shadow var(--transition-base);
        }

        .info-block:hover {
            border-color: var(--c-border-strong);
            box-shadow: var(--shadow-card-hover);
        }

        .info-block h3 {
            font-size: 1.1rem;
            font-weight: 600;
            color: var(--c-text-primary);
            margin-bottom: 10px;
            line-height: 1.4;
        }

        .info-block p {
            font-size: var(--fs-small);
            color: var(--c-text-secondary);
            line-height: 1.7;
            margin-bottom: 0;
        }

        .info-block .info-num {
            display: inline-flex;
            align-items: center;
            justify-content: center;
            width: 32px;
            height: 32px;
            border-radius: 50%;
            background: linear-gradient(135deg, var(--c-primary), var(--c-secondary));
            color: #fff;
            font-weight: 700;
            font-size: 0.95rem;
            margin-bottom: 12px;
        }

        /* FAQ */
        .accordion-custom {
            display: flex;
            flex-direction: column;
            gap: 10px;
        }

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

        .accordion-item-custom.open {
            border-color: var(--c-border-strong);
        }

        .accordion-button-custom {
            display: flex;
            align-items: center;
            justify-content: space-between;
            width: 100%;
            padding: 1rem 1.25rem;
            background: none;
            border: none;
            cursor: pointer;
            font-size: 1rem;
            font-weight: 600;
            color: var(--c-text-primary);
            text-align: left;
            gap: 12px;
            transition: background-color var(--transition-base);
        }

        .accordion-button-custom:hover {
            background-color: rgba(255, 255, 255, 0.04);
        }

        .accordion-arrow {
            flex-shrink: 0;
            width: 18px;
            height: 18px;
            position: relative;
            transition: transform 0.2s ease;
        }

        .accordion-item-custom.open .accordion-arrow {
            transform: rotate(180deg);
        }

        .accordion-arrow::before,
        .accordion-arrow::after {
            content: '';
            position: absolute;
            background-color: var(--c-text-secondary);
            border-radius: 2px;
            top: 50%;
            left: 50%;
        }

        .accordion-arrow::before {
            width: 10px;
            height: 2px;
            transform: translate(-50%, -50%);
        }

        .accordion-arrow::after {
            width: 2px;
            height: 10px;
            transform: translate(-50%, -50%);
            transition: opacity 0.2s ease;
        }

        .accordion-item-custom.open .accordion-arrow::after {
            opacity: 0;
        }

        .accordion-panel {
            max-height: 0;
            overflow: hidden;
            transition: max-height 0.3s ease;
        }

        .accordion-panel-inner {
            padding: 0 1.25rem 1.25rem;
            font-size: var(--fs-small);
            color: var(--c-text-secondary);
            line-height: 1.7;
        }

        /* CTA */
        .cta-banner {
            background: linear-gradient(135deg, #2A1245 0%, #12141A 100%);
            border: 1px solid var(--c-border-strong);
            border-radius: var(--radius-card);
            padding: 2.5rem;
            text-align: center;
            position: relative;
            overflow: hidden;
        }

        .cta-banner h2 {
            font-size: var(--fs-h2);
            font-weight: 700;
            color: var(--c-text-primary);
            margin-bottom: 10px;
        }

        .cta-banner p {
            color: var(--c-text-secondary);
            max-width: 560px;
            margin: 0 auto 1.5rem;
            font-size: var(--fs-body);
        }

        .btn-primary-glow {
            display: inline-flex;
            align-items: center;
            justify-content: center;
            background-color: var(--c-primary);
            color: #fff;
            font-weight: 600;
            font-size: 1rem;
            padding: 12px 28px;
            border-radius: var(--radius-pill);
            border: none;
            cursor: pointer;
            text-decoration: none;
            transition: background-color var(--transition-base), transform var(--transition-base), filter var(--transition-base);
        }

        .btn-primary-glow:hover {
            background-color: var(--c-primary-hover);
            color: #fff;
            text-decoration: none;
            filter: saturate(1.05);
        }

        .btn-primary-glow:active {
            transform: translateY(1px);
            filter: brightness(0.9);
        }

        .btn-secondary-glow {
            display: inline-flex;
            align-items: center;
            justify-content: center;
            background-color: var(--c-secondary);
            color: #fff;
            font-weight: 600;
            font-size: 1rem;
            padding: 12px 28px;
            border-radius: var(--radius-pill);
            border: none;
            cursor: pointer;
            text-decoration: none;
            transition: background-color var(--transition-base), transform var(--transition-base), filter var(--transition-base);
        }

        .btn-secondary-glow:hover {
            background-color: var(--c-secondary-hover);
            color: #fff;
            text-decoration: none;
            filter: saturate(1.05);
        }

        .btn-secondary-glow:active {
            transform: translateY(1px);
            filter: brightness(0.9);
        }

        /* Footer */
        .site-footer {
            background-color: #0A0C10;
            border-top: 2px solid var(--c-primary);
            padding: 3rem 0 1.5rem;
        }

        .site-footer .footer-logo {
            display: flex;
            align-items: center;
            gap: 8px;
            font-size: 1.1rem;
            font-weight: 700;
            color: var(--c-text-primary);
            margin-bottom: 12px;
        }

        .footer-desc {
            font-size: var(--fs-small);
            color: var(--c-text-secondary);
            line-height: 1.7;
            max-width: 320px;
        }

        .footer-heading {
            font-size: 0.95rem;
            font-weight: 600;
            color: var(--c-text-primary);
            margin-bottom: 12px;
        }

        .footer-links {
            list-style: none;
            padding: 0;
            margin: 0;
            display: flex;
            flex-direction: column;
            gap: 6px;
        }

        .footer-links a {
            font-size: var(--fs-small);
            color: var(--c-text-secondary);
            text-decoration: none;
            transition: color var(--transition-base);
        }

        .footer-links a:hover {
            color: var(--c-secondary);
            text-decoration: underline;
        }

        .footer-bottom {
            display: flex;
            align-items: center;
            justify-content: space-between;
            flex-wrap: wrap;
            gap: 12px;
            padding-top: 1.5rem;
            margin-top: 2rem;
            border-top: 1px solid var(--c-border);
        }

        .copyright {
            font-size: 0.8rem;
            color: var(--c-text-muted);
        }

        .footer-meta-links {
            display: flex;
            align-items: center;
            gap: 8px;
            font-size: 0.8rem;
        }

        .footer-meta-links a {
            color: var(--c-text-muted);
            text-decoration: none;
            transition: color var(--transition-base);
        }

        .footer-meta-links a:hover {
            color: var(--c-secondary);
            text-decoration: underline;
        }

        /* Responsive */
        @media (max-width: 991px) {
            .desktop-only {
                display: none;
            }
            .navbar-toggler-custom {
                display: flex;
            }
            .navbar-nav-custom {
                display: none;
            }
            .site-header {
                height: 56px;
            }
            .mobile-nav-collapse {
                top: 56px;
            }
            .category-page-header {
                padding: 1.8rem 0 1.5rem;
            }
        }

        @media (max-width: 767px) {
            .container-custom {
                padding-left: 16px;
                padding-right: 16px;
            }
            .row {
                --bs-gutter-x: 12px;
            }
            section {
                padding: var(--section-padding-mobile);
            }
            .category-page-header h1 {
                font-size: 1.6rem;
            }
            .section-title {
                font-size: 1.3rem;
            }
            .cta-banner {
                padding: 1.5rem;
            }
            .guide-card-body {
                padding: 1rem;
            }
            .footer-bottom {
                flex-direction: column;
                align-items: flex-start;
            }
        }

        @media (max-width: 575px) {
            .container-custom {
                padding-left: 12px;
                padding-right: 12px;
            }
        }

/* roulang page: category5 */
:root {
            --c-bg-primary: #0F1115;
            --c-bg-secondary: #161A20;
            --c-bg-card: #1C2129;
            --c-primary: #6C3CF4;
            --c-primary-hover: #7C4CF8;
            --c-secondary: #F97316;
            --c-secondary-hover: #FB8D3F;
            --c-accent: #14B8A6;
            --c-text-primary: #F5F7FA;
            --c-text-secondary: #A1A7B3;
            --c-text-muted: #6B7280;
            --c-border: rgba(255, 255, 255, 0.08);
            --c-border-strong: rgba(108, 60, 244, 0.45);
            --radius-card: 14px;
            --radius-sm: 8px;
            --radius-pill: 999px;
            --shadow-card: 0 8px 28px rgba(0, 0, 0, 0.35);
            --shadow-card-hover: 0 14px 40px rgba(108, 60, 244, 0.22);
            --fs-display: clamp(2.2rem, 5vw, 3.6rem);
            --fs-h1: clamp(1.8rem, 4vw, 2.6rem);
            --fs-h2: clamp(1.4rem, 3vw, 1.9rem);
            --fs-h3: 1.25rem;
            --fs-body: 1rem;
            --fs-small: 0.875rem;
            --font-cn: "PingFang SC", "Microsoft YaHei", "Hiragino Sans GB", "Noto Sans CJK SC", system-ui, sans-serif;
            --font-num: "Inter", "Roboto", system-ui, sans-serif;
            --section-padding: 4rem 0;
            --section-padding-mobile: 2.5rem 0;
            --transition-base: 0.25s ease;
        }
        html {
            scroll-behavior: smooth;
            -webkit-text-size-adjust: 100%;
        }
        body {
            font-family: var(--font-cn);
            font-size: var(--fs-body);
            font-weight: 400;
            line-height: 1.75;
            color: var(--c-text-primary);
            background-color: var(--c-bg-primary);
            -webkit-font-smoothing: antialiased;
            -moz-osx-font-smoothing: grayscale;
            overflow-x: hidden;
        }
        img {
            max-width: 100%;
            height: auto;
            display: block;
        }
        a {
            color: var(--c-primary);
            text-decoration: none;
            transition: color var(--transition-base), text-decoration var(--transition-base);
        }
        a:hover {
            color: var(--c-primary-hover);
            text-decoration: underline;
            text-decoration-thickness: 1px;
            text-underline-offset: 4px;
        }
        a:focus-visible,
        button:focus-visible,
        input:focus-visible,
        .btn:focus-visible,
        .accordion-button:focus-visible {
            outline: 2px solid var(--c-border-strong);
            outline-offset: 2px;
            border-radius: var(--radius-sm);
        }
        button,
        .btn {
            transition: background-color var(--transition-base), border-color var(--transition-base), color var(--transition-base), box-shadow var(--transition-base), transform var(--transition-base), filter var(--transition-base);
        }
        .container-custom {
            width: 100%;
            max-width: 1200px;
            margin: 0 auto;
            padding-left: 24px;
            padding-right: 24px;
        }
        .row {
            --bs-gutter-x: 24px;
        }
        section {
            padding: var(--section-padding);
            position: relative;
        }
        .section-bg-secondary {
            background-color: var(--c-bg-secondary);
        }
        .section-bg-primary {
            background-color: var(--c-bg-primary);
        }
        .section-label {
            display: inline-block;
            font-size: 0.8rem;
            font-weight: 600;
            letter-spacing: 0.08em;
            text-transform: uppercase;
            color: var(--c-accent);
            background: rgba(20, 184, 166, 0.12);
            padding: 4px 12px;
            border-radius: var(--radius-pill);
            margin-bottom: 12px;
        }
        .section-title {
            font-size: var(--fs-h2);
            font-weight: 700;
            color: var(--c-text-primary);
            margin-bottom: 12px;
            line-height: 1.3;
            letter-spacing: -0.01em;
        }
        .section-subtitle {
            font-size: var(--fs-body);
            color: var(--c-text-secondary);
            line-height: 1.7;
            max-width: 720px;
            margin-bottom: 2rem;
        }
        .section-divider {
            width: 56px;
            height: 3px;
            background: linear-gradient(90deg, var(--c-primary), var(--c-secondary));
            border-radius: 2px;
            margin-bottom: 1.5rem;
        }
        .site-header {
            position: sticky;
            top: 0;
            z-index: 1050;
            background: linear-gradient(90deg, #2A1245 0%, #12141A 100%);
            height: 64px;
            display: flex;
            align-items: center;
            box-shadow: 0 2px 18px rgba(0, 0, 0, 0.45);
            border-bottom: 1px solid rgba(255, 255, 255, 0.06);
        }
        .site-header .container-custom {
            display: flex;
            align-items: center;
            justify-content: space-between;
            width: 100%;
        }
        .navbar-logo {
            display: flex;
            align-items: center;
            gap: 8px;
            font-size: 1.25rem;
            font-weight: 700;
            color: var(--c-text-primary);
            text-decoration: none;
            white-space: nowrap;
        }
        .navbar-logo:hover {
            color: var(--c-text-primary);
            text-decoration: none;
        }
        .logo-icon {
            width: 32px;
            height: 32px;
            border-radius: 6px;
            background: linear-gradient(135deg, var(--c-primary), var(--c-secondary));
            display: inline-flex;
            align-items: center;
            justify-content: center;
            font-size: 1rem;
            color: #fff;
            flex-shrink: 0;
        }
        .navbar-nav-custom {
            list-style: none;
            display: flex;
            align-items: center;
            gap: 4px;
            margin: 0;
            padding: 0;
        }
        .navbar-nav-custom li {
            margin: 0;
        }
        .navbar-nav-custom li a {
            display: block;
            padding: 6px 14px;
            font-size: 0.95rem;
            font-weight: 500;
            color: rgba(245, 247, 250, 0.88);
            border-radius: 6px;
            transition: all var(--transition-base);
            text-decoration: none;
            white-space: nowrap;
        }
        .navbar-nav-custom li a:hover {
            color: #F5F7FA;
            background: rgba(255, 255, 255, 0.1);
            text-decoration: none;
        }
        .navbar-nav-custom li a.active {
            color: #F5F7FA;
            background: rgba(255, 255, 255, 0.1);
            font-weight: 600;
            position: relative;
        }
        .navbar-nav-custom li a.active::after {
            content: '';
            position: absolute;
            bottom: 0;
            left: 14px;
            right: 14px;
            height: 3px;
            background: var(--c-secondary);
            border-radius: 2px 2px 0 0;
        }
        .nav-cta-btn {
            display: inline-flex;
            align-items: center;
            gap: 6px;
            background: var(--c-secondary);
            color: #fff;
            font-weight: 600;
            font-size: 0.95rem;
            padding: 8px 18px;
            border-radius: var(--radius-pill);
            text-decoration: none;
            border: none;
            cursor: pointer;
            white-space: nowrap;
            transition: all var(--transition-base);
        }
        .nav-cta-btn:hover {
            background: var(--c-secondary-hover);
            color: #fff;
            text-decoration: none;
            filter: saturate(1.05);
        }
        .navbar-toggler-custom {
            display: none;
            flex-direction: column;
            gap: 5px;
            background: transparent;
            border: none;
            padding: 8px;
            cursor: pointer;
        }
        .toggler-line {
            display: block;
            width: 24px;
            height: 2px;
            background: #F5F7FA;
            border-radius: 2px;
            transition: all var(--transition-base);
        }
        .mobile-nav-collapse {
            display: none;
            position: absolute;
            top: 64px;
            left: 0;
            right: 0;
            background: linear-gradient(135deg, #2A1245 0%, #12141A 100%);
            padding: 16px 24px 24px;
            flex-direction: column;
            gap: 8px;
            box-shadow: 0 8px 24px rgba(0, 0, 0, 0.5);
            border-bottom: 1px solid rgba(255, 255, 255, 0.08);
        }
        .mobile-nav-collapse.show {
            display: flex;
        }
        .mobile-nav-collapse a {
            display: block;
            padding: 12px 16px;
            font-size: 1rem;
            font-weight: 500;
            color: rgba(245, 247, 250, 0.9);
            border-radius: 8px;
            text-decoration: none;
            transition: all var(--transition-base);
        }
        .mobile-nav-collapse a:hover {
            background: rgba(255, 255, 255, 0.1);
            color: #F5F7FA;
            text-decoration: none;
        }
        .mobile-nav-collapse a.nav-cta-btn {
            display: inline-flex;
            align-items: center;
            justify-content: center;
            margin-top: 8px;
            padding: 12px 18px;
            font-size: 1rem;
        }
        .desktop-only {
            display: inline-flex;
        }
        .category-hero {
            position: relative;
            background-image: url('/assets/images/be71a20b704ee87a.jpg');
            background-size: cover;
            background-position: center;
            background-repeat: no-repeat;
            padding: 4.5rem 0 3.5rem;
            min-height: 45vh;
            display: flex;
            align-items: flex-end;
            border-bottom: 1px solid var(--c-border);
        }
        .category-hero::before {
            content: '';
            position: absolute;
            inset: 0;
            background: linear-gradient(135deg, rgba(15, 17, 21, 0.82) 0%, rgba(42, 18, 69, 0.78) 55%, rgba(15, 17, 21, 0.88) 100%);
            z-index: 1;
        }
        .category-hero .container-custom {
            position: relative;
            z-index: 2;
        }
        .breadcrumb-custom {
            display: flex;
            align-items: center;
            gap: 8px;
            list-style: none;
            padding: 0;
            margin: 0 0 16px;
            font-size: 0.875rem;
            color: var(--c-text-muted);
        }
        .breadcrumb-custom li {
            display: flex;
            align-items: center;
            gap: 8px;
        }
        .breadcrumb-custom li:not(:last-child)::after {
            content: '›';
            color: var(--c-text-muted);
            font-size: 1rem;
        }
        .breadcrumb-custom a {
            color: var(--c-text-secondary);
            text-decoration: none;
            transition: color var(--transition-base);
        }
        .breadcrumb-custom a:hover {
            color: var(--c-text-primary);
            text-decoration: underline;
        }
        .breadcrumb-custom .current {
            color: var(--c-accent);
            font-weight: 500;
        }
        .category-hero h1 {
            font-size: var(--fs-h1);
            font-weight: 800;
            color: var(--c-text-primary);
            margin-bottom: 12px;
            line-height: 1.25;
        }
        .category-hero .hero-desc {
            font-size: 1.05rem;
            color: var(--c-text-secondary);
            max-width: 640px;
            line-height: 1.7;
        }
        .stat-card {
            background: var(--c-bg-card);
            border: 1px solid var(--c-border);
            border-radius: var(--radius-card);
            padding: 1.5rem;
            box-shadow: var(--shadow-card);
            transition: all var(--transition-base);
            height: 100%;
            display: flex;
            flex-direction: column;
        }
        .stat-card:hover {
            border-color: var(--c-border-strong);
            box-shadow: var(--shadow-card-hover);
            transform: translateY(-3px);
        }
        .stat-card .stat-icon {
            width: 42px;
            height: 42px;
            border-radius: 10px;
            display: flex;
            align-items: center;
            justify-content: center;
            font-size: 1.2rem;
            margin-bottom: 12px;
            background: linear-gradient(135deg, rgba(108, 60, 244, 0.2), rgba(249, 115, 22, 0.15));
            color: var(--c-accent);
        }
        .stat-card .stat-value {
            font-size: 2rem;
            font-weight: 800;
            font-family: var(--font-num);
            font-variant-numeric: tabular-nums;
            color: var(--c-text-primary);
            margin-bottom: 4px;
            letter-spacing: -0.02em;
        }
        .stat-card .stat-label {
            font-size: 0.95rem;
            font-weight: 600;
            color: var(--c-text-primary);
            margin-bottom: 6px;
        }
        .stat-card .stat-desc {
            font-size: 0.8rem;
            color: var(--c-text-muted);
            line-height: 1.5;
        }
        .stat-trend {
            display: inline-flex;
            align-items: center;
            gap: 4px;
            font-size: 0.78rem;
            font-weight: 600;
            padding: 2px 8px;
            border-radius: var(--radius-pill);
            margin-top: 8px;
        }
        .stat-trend.up {
            color: var(--c-accent);
            background: rgba(20, 184, 166, 0.12);
        }
        .stat-trend.down {
            color: #EF4444;
            background: rgba(239, 68, 68, 0.12);
        }
        .stat-trend.flat {
            color: var(--c-text-muted);
            background: rgba(107, 114, 128, 0.12);
        }
        .data-bar-chart {
            background: var(--c-bg-card);
            border: 1px solid var(--c-border);
            border-radius: var(--radius-card);
            padding: 1.5rem;
            box-shadow: var(--shadow-card);
        }
        .chart-bars {
            display: flex;
            align-items: flex-end;
            gap: 12px;
            height: 200px;
            padding-top: 16px;
            border-bottom: 1px solid var(--c-border);
        }
        .chart-bar-group {
            flex: 1;
            display: flex;
            flex-direction: column;
            align-items: center;
            gap: 6px;
            height: 100%;
            justify-content: flex-end;
        }
        .chart-bar {
            width: 100%;
            max-width: 42px;
            border-radius: 6px 6px 0 0;
            background: linear-gradient(180deg, var(--c-primary), rgba(108, 60, 244, 0.5));
            transition: all var(--transition-base);
            min-height: 12px;
            position: relative;
        }
        .chart-bar:hover {
            background: linear-gradient(180deg, var(--c-primary-hover), rgba(124, 76, 248, 0.6));
            box-shadow: 0 0 20px rgba(108, 60, 244, 0.35);
        }
        .chart-bar.orange {
            background: linear-gradient(180deg, var(--c-secondary), rgba(249, 115, 22, 0.5));
        }
        .chart-bar.orange:hover {
            background: linear-gradient(180deg, var(--c-secondary-hover), rgba(251, 141, 63, 0.6));
            box-shadow: 0 0 20px rgba(249, 115, 22, 0.35);
        }
        .chart-bar.teal {
            background: linear-gradient(180deg, var(--c-accent), rgba(20, 184, 166, 0.5));
        }
        .chart-bar-label {
            font-size: 0.75rem;
            color: var(--c-text-muted);
            white-space: nowrap;
        }
        .chart-bar-value {
            font-size: 0.75rem;
            color: var(--c-text-secondary);
            font-weight: 600;
            font-family: var(--font-num);
            font-variant-numeric: tabular-nums;
        }
        .indicator-card {
            background: var(--c-bg-card);
            border: 1px solid var(--c-border);
            border-radius: var(--radius-card);
            padding: 1.5rem;
            box-shadow: var(--shadow-card);
            height: 100%;
            transition: all var(--transition-base);
        }
        .indicator-card:hover {
            border-color: var(--c-border-strong);
            box-shadow: var(--shadow-card-hover);
            transform: translateY(-2px);
        }
        .indicator-card .indicator-title {
            font-size: 1rem;
            font-weight: 700;
            color: var(--c-text-primary);
            margin-bottom: 8px;
            display: flex;
            align-items: center;
            gap: 8px;
        }
        .indicator-card .indicator-en {
            font-size: 0.8rem;
            color: var(--c-accent);
            font-weight: 600;
            font-family: var(--font-num);
            letter-spacing: 0.03em;
        }
        .indicator-card p {
            font-size: 0.875rem;
            color: var(--c-text-secondary);
            margin-bottom: 0;
            line-height: 1.65;
        }
        .table-custom {
            background: var(--c-bg-card);
            border: 1px solid var(--c-border);
            border-radius: var(--radius-card);
            overflow: hidden;
            box-shadow: var(--shadow-card);
            width: 100%;
        }
        .table-custom table {
            width: 100%;
            border-collapse: collapse;
            font-size: 0.9rem;
        }
        .table-custom thead {
            background: rgba(108, 60, 244, 0.1);
        }
        .table-custom th {
            padding: 12px 16px;
            text-align: left;
            font-weight: 600;
            font-size: 0.82rem;
            color: var(--c-text-secondary);
            text-transform: uppercase;
            letter-spacing: 0.04em;
            border-bottom: 1px solid var(--c-border);
        }
        .table-custom td {
            padding: 12px 16px;
            border-bottom: 1px solid var(--c-border);
            color: var(--c-text-primary);
            font-family: var(--font-num);
            font-variant-numeric: tabular-nums;
        }
        .table-custom tbody tr {
            transition: background-color var(--transition-base);
        }
        .table-custom tbody tr:hover {
            background: rgba(255, 255, 255, 0.03);
        }
        .table-custom tbody tr:last-child td {
            border-bottom: none;
        }
        .rank-badge {
            display: inline-flex;
            align-items: center;
            justify-content: center;
            min-width: 28px;
            height: 28px;
            border-radius: 50%;
            font-weight: 700;
            font-size: 0.8rem;
            font-family: var(--font-num);
        }
        .rank-1 {
            background: rgba(249, 115, 22, 0.18);
            color: var(--c-secondary);
        }
        .rank-2 {
            background: rgba(108, 60, 244, 0.18);
            color: var(--c-primary);
        }
        .rank-3 {
            background: rgba(20, 184, 166, 0.18);
            color: var(--c-accent);
        }
        .rank-default {
            background: rgba(107, 114, 128, 0.15);
            color: var(--c-text-muted);
        }
        .source-card {
            background: var(--c-bg-card);
            border: 1px solid var(--c-border);
            border-radius: var(--radius-card);
            padding: 1.5rem;
            box-shadow: var(--shadow-card);
            height: 100%;
        }
        .source-card h3 {
            font-size: 1.05rem;
            font-weight: 700;
            color: var(--c-text-primary);
            margin-bottom: 10px;
        }
        .source-card p {
            font-size: 0.875rem;
            color: var(--c-text-secondary);
            margin-bottom: 0;
            line-height: 1.65;
        }
        .source-tag {
            display: inline-block;
            font-size: 0.75rem;
            font-weight: 600;
            color: var(--c-accent);
            background: rgba(20, 184, 166, 0.1);
            padding: 3px 10px;
            border-radius: var(--radius-pill);
            margin-bottom: 8px;
        }
        .cta-strip {
            background: linear-gradient(135deg, #2A1245 0%, #12141A 100%);
            border: 1px solid rgba(255, 255, 255, 0.08);
            border-radius: var(--radius-card);
            padding: 2rem 2rem;
            display: flex;
            align-items: center;
            justify-content: space-between;
            gap: 20px;
            flex-wrap: wrap;
            box-shadow: var(--shadow-card);
        }
        .cta-strip h3 {
            font-size: 1.15rem;
            font-weight: 700;
            color: var(--c-text-primary);
            margin-bottom: 4px;
        }
        .cta-strip p {
            font-size: 0.875rem;
            color: var(--c-text-secondary);
            margin-bottom: 0;
        }
        .btn-custom-primary {
            display: inline-flex;
            align-items: center;
            gap: 8px;
            background: var(--c-primary);
            color: #fff;
            font-weight: 600;
            font-size: 0.95rem;
            padding: 10px 22px;
            border-radius: var(--radius-sm);
            border: none;
            cursor: pointer;
            text-decoration: none;
            transition: all var(--transition-base);
        }
        .btn-custom-primary:hover {
            background: var(--c-primary-hover);
            color: #fff;
            text-decoration: none;
            filter: saturate(1.05);
            transform: translateY(-1px);
        }
        .btn-custom-primary:active {
            transform: translateY(1px);
            filter: brightness(0.9);
        }
        .btn-custom-secondary {
            display: inline-flex;
            align-items: center;
            gap: 8px;
            background: var(--c-secondary);
            color: #fff;
            font-weight: 600;
            font-size: 0.95rem;
            padding: 10px 22px;
            border-radius: var(--radius-sm);
            border: none;
            cursor: pointer;
            text-decoration: none;
            transition: all var(--transition-base);
        }
        .btn-custom-secondary:hover {
            background: var(--c-secondary-hover);
            color: #fff;
            text-decoration: none;
            filter: saturate(1.05);
            transform: translateY(-1px);
        }
        .btn-custom-secondary:active {
            transform: translateY(1px);
            filter: brightness(0.9);
        }
        .btn-custom-ghost {
            display: inline-flex;
            align-items: center;
            gap: 8px;
            background: transparent;
            color: var(--c-text-primary);
            font-weight: 600;
            font-size: 0.95rem;
            padding: 10px 22px;
            border-radius: var(--radius-sm);
            border: 1px solid var(--c-primary);
            cursor: pointer;
            text-decoration: none;
            transition: all var(--transition-base);
        }
        .btn-custom-ghost:hover {
            background: rgba(255, 255, 255, 0.08);
            color: var(--c-text-primary);
            text-decoration: none;
            border-color: var(--c-primary-hover);
        }
        .btn-custom-ghost:active {
            transform: translateY(1px);
        }
        .site-footer {
            background: #0A0C10;
            border-top: 1px solid rgba(108, 60, 244, 0.25);
            padding: 3rem 0 1.5rem;
            color: var(--c-text-secondary);
        }
        .site-footer .footer-logo {
            font-size: 1.25rem;
            font-weight: 700;
            color: var(--c-text-primary);
            display: flex;
            align-items: center;
            gap: 8px;
            margin-bottom: 12px;
        }
        .site-footer .footer-desc {
            font-size: 0.875rem;
            color: var(--c-text-muted);
            line-height: 1.65;
            max-width: 340px;
        }
        .site-footer .footer-heading {
            font-size: 0.95rem;
            font-weight: 700;
            color: var(--c-text-primary);
            margin-bottom: 12px;
            letter-spacing: 0.02em;
        }
        .site-footer .footer-links {
            list-style: none;
            padding: 0;
            margin: 0;
        }
        .site-footer .footer-links li {
            margin-bottom: 6px;
        }
        .site-footer .footer-links a {
            font-size: 0.875rem;
            color: var(--c-text-muted);
            text-decoration: none;
            transition: all var(--transition-base);
        }
        .site-footer .footer-links a:hover {
            color: var(--c-secondary);
            text-decoration: underline;
            text-decoration-thickness: 1px;
            text-underline-offset: 4px;
        }
        .site-footer .footer-bottom {
            display: flex;
            align-items: center;
            justify-content: space-between;
            flex-wrap: wrap;
            gap: 12px;
            padding-top: 1.5rem;
            margin-top: 2rem;
            border-top: 1px solid var(--c-border);
            font-size: 0.82rem;
            color: var(--c-text-muted);
        }
        .site-footer .footer-bottom a {
            color: var(--c-text-muted);
            text-decoration: none;
            transition: all var(--transition-base);
        }
        .site-footer .footer-bottom a:hover {
            color: var(--c-secondary);
            text-decoration: underline;
        }
        .footer-meta-links {
            display: flex;
            align-items: center;
            gap: 8px;
        }
        @media (max-width: 991px) {
            .desktop-only {
                display: none !important;
            }
            .navbar-toggler-custom {
                display: flex;
            }
            .navbar-nav-custom {
                display: none;
            }
            .category-hero {
                min-height: 38vh;
                padding: 3rem 0 2.5rem;
            }
            .chart-bars {
                height: 160px;
            }
        }
        @media (max-width: 767px) {
            .container-custom {
                padding-left: 16px;
                padding-right: 16px;
            }
            .row {
                --bs-gutter-x: 12px;
            }
            section {
                padding: var(--section-padding-mobile);
            }
            .category-hero {
                min-height: 35vh;
                padding: 2.5rem 0 2rem;
            }
            .chart-bars {
                height: 130px;
                gap: 8px;
            }
            .chart-bar {
                max-width: 28px;
            }
            .stat-card .stat-value {
                font-size: 1.5rem;
            }
            .cta-strip {
                flex-direction: column;
                align-items: flex-start;
                padding: 1.5rem;
            }
            .site-footer .footer-bottom {
                flex-direction: column;
                align-items: flex-start;
            }
        }
        @media (max-width: 520px) {
            .container-custom {
                padding-left: 12px;
                padding-right: 12px;
            }
            .chart-bars {
                height: 110px;
                gap: 6px;
            }
            .chart-bar {
                max-width: 20px;
                border-radius: 4px 4px 0 0;
            }
            .chart-bar-label {
                font-size: 0.65rem;
            }
            .chart-bar-value {
                font-size: 0.65rem;
            }
        }

/* roulang page: category4 */
:root {
            --c-bg-primary: #0F1115;
            --c-bg-secondary: #161A20;
            --c-bg-card: #1C2129;
            --c-primary: #6C3CF4;
            --c-primary-hover: #7C4CF8;
            --c-secondary: #F97316;
            --c-secondary-hover: #FB8D3F;
            --c-accent: #14B8A6;
            --c-text-primary: #F5F7FA;
            --c-text-secondary: #A1A7B3;
            --c-text-muted: #6B7280;
            --c-border: rgba(255, 255, 255, 0.08);
            --c-border-strong: rgba(108, 60, 244, 0.45);
            --radius-card: 14px;
            --radius-sm: 8px;
            --radius-pill: 999px;
            --shadow-card: 0 8px 28px rgba(0, 0, 0, 0.35);
            --shadow-card-hover: 0 14px 40px rgba(108, 60, 244, 0.22);
            --fs-display: clamp(2.2rem, 5vw, 3.6rem);
            --fs-h1: clamp(1.8rem, 4vw, 2.6rem);
            --fs-h2: clamp(1.4rem, 3vw, 1.9rem);
            --fs-h3: 1.25rem;
            --fs-body: 1rem;
            --fs-small: 0.875rem;
            --font-cn: "PingFang SC", "Microsoft YaHei", "Hiragino Sans GB", "Noto Sans CJK SC", system-ui, sans-serif;
            --font-num: "Inter", "Roboto", system-ui, sans-serif;
            --section-padding: 4rem 0;
            --section-padding-mobile: 2.5rem 0;
            --transition-base: 0.25s ease;
        }

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

        body {
            font-family: var(--font-cn);
            font-size: var(--fs-body);
            font-weight: 400;
            line-height: 1.75;
            color: var(--c-text-primary);
            background-color: var(--c-bg-primary);
            -webkit-font-smoothing: antialiased;
            -moz-osx-font-smoothing: grayscale;
            overflow-x: hidden;
        }

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

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

        a:hover {
            color: var(--c-primary-hover);
            text-decoration: underline;
            text-decoration-thickness: 1px;
            text-underline-offset: 4px;
        }

        a:focus-visible,
        button:focus-visible,
        input:focus-visible,
        .btn:focus-visible,
        .accordion-button:focus-visible {
            outline: 2px solid var(--c-border-strong);
            outline-offset: 2px;
            border-radius: var(--radius-sm);
        }

        button,
        .btn {
            transition: background-color var(--transition-base), border-color var(--transition-base), color var(--transition-base), box-shadow var(--transition-base), transform var(--transition-base), filter var(--transition-base);
        }

        .container-custom {
            width: 100%;
            max-width: 1200px;
            margin: 0 auto;
            padding-left: 24px;
            padding-right: 24px;
        }

        .row {
            --bs-gutter-x: 24px;
        }

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

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

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

        .section-label {
            display: inline-block;
            font-size: 0.8rem;
            font-weight: 600;
            letter-spacing: 0.08em;
            text-transform: uppercase;
            color: var(--c-accent);
            background: rgba(20, 184, 166, 0.12);
            padding: 4px 12px;
            border-radius: var(--radius-pill);
            margin-bottom: 12px;
        }

        .section-title {
            font-size: var(--fs-h2);
            font-weight: 700;
            color: var(--c-text-primary);
            margin-bottom: 12px;
            line-height: 1.3;
            letter-spacing: -0.01em;
        }

        .section-subtitle {
            font-size: var(--fs-body);
            color: var(--c-text-secondary);
            line-height: 1.7;
            max-width: 720px;
            margin-bottom: 2rem;
        }

        .section-divider {
            width: 56px;
            height: 3px;
            background: linear-gradient(90deg, var(--c-primary), var(--c-secondary));
            border-radius: 2px;
            margin-bottom: 1.5rem;
        }

        /* Header / Navigation */
        .site-header {
            position: sticky;
            top: 0;
            z-index: 1050;
            background: linear-gradient(90deg, #2A1245 0%, #12141A 100%);
            height: 64px;
            display: flex;
            align-items: center;
            box-shadow: 0 2px 18px rgba(0, 0, 0, 0.45);
            border-bottom: 1px solid rgba(255, 255, 255, 0.06);
        }

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

        .navbar-logo {
            display: flex;
            align-items: center;
            gap: 8px;
            font-size: 1.25rem;
            font-weight: 700;
            color: var(--c-text-primary);
            text-decoration: none;
            white-space: nowrap;
        }

        .navbar-logo:hover {
            color: var(--c-text-primary);
            text-decoration: none;
        }

        .logo-icon {
            width: 28px;
            height: 28px;
            border-radius: 6px;
            background: linear-gradient(135deg, var(--c-primary), var(--c-secondary));
            display: inline-flex;
            align-items: center;
            justify-content: center;
            font-size: 0.9rem;
            color: #fff;
        }

        .navbar-nav-custom {
            display: flex;
            align-items: center;
            gap: 4px;
            list-style: none;
            margin: 0;
            padding: 0;
        }

        .navbar-nav-custom li a {
            display: block;
            padding: 8px 14px;
            font-size: 0.9rem;
            font-weight: 500;
            color: rgba(255, 255, 255, 0.9);
            border-radius: 6px;
            text-decoration: none;
            transition: background-color var(--transition-base), color var(--transition-base);
            white-space: nowrap;
        }

        .navbar-nav-custom li a:hover {
            background-color: rgba(255, 255, 255, 0.1);
            color: #ffffff;
            text-decoration: none;
        }

        .navbar-nav-custom li a.active {
            background-color: rgba(255, 255, 255, 0.08);
            color: #ffffff;
            font-weight: 600;
            box-shadow: inset 0 -3px 0 0 var(--c-secondary);
        }

        .nav-cta-btn {
            display: inline-flex;
            align-items: center;
            justify-content: center;
            padding: 8px 18px;
            font-size: 0.9rem;
            font-weight: 600;
            color: #ffffff;
            background-color: var(--c-secondary);
            border: none;
            border-radius: var(--radius-pill);
            text-decoration: none;
            transition: background-color var(--transition-base), transform var(--transition-base), filter var(--transition-base);
            white-space: nowrap;
            flex-shrink: 0;
        }

        .nav-cta-btn:hover {
            background-color: var(--c-secondary-hover);
            color: #ffffff;
            text-decoration: none;
            filter: saturate(1.05);
        }

        .nav-cta-btn:active {
            transform: translateY(1px);
            background-color: #d85f0f;
        }

        .navbar-toggler-custom {
            display: none;
            flex-direction: column;
            gap: 5px;
            background: transparent;
            border: 1px solid rgba(255, 255, 255, 0.2);
            border-radius: 6px;
            padding: 8px;
            cursor: pointer;
        }

        .toggler-line {
            width: 22px;
            height: 2px;
            background-color: #ffffff;
            border-radius: 1px;
            display: block;
            transition: transform var(--transition-base), opacity var(--transition-base);
        }

        .mobile-nav-collapse {
            display: none;
            position: absolute;
            top: 64px;
            left: 0;
            right: 0;
            background: linear-gradient(180deg, #2A1245 0%, #12141A 100%);
            flex-direction: column;
            padding: 16px 24px 24px;
            gap: 8px;
            border-bottom: 1px solid rgba(255, 255, 255, 0.08);
            box-shadow: 0 12px 28px rgba(0, 0, 0, 0.5);
            z-index: 1049;
        }

        .mobile-nav-collapse.open {
            display: flex;
        }

        .mobile-nav-collapse a {
            display: block;
            padding: 12px 14px;
            font-size: 0.95rem;
            font-weight: 500;
            color: rgba(255, 255, 255, 0.9);
            border-radius: 6px;
            text-decoration: none;
            transition: background-color var(--transition-base);
        }

        .mobile-nav-collapse a:hover {
            background-color: rgba(255, 255, 255, 0.08);
            color: #ffffff;
            text-decoration: none;
        }

        .mobile-nav-collapse a.active {
            background-color: rgba(255, 255, 255, 0.08);
            color: #ffffff;
            font-weight: 600;
            box-shadow: inset 0 -2px 0 0 var(--c-secondary);
        }

        /* Category Page Header */
        .category-page-header {
            background-image: url('/assets/images/b147e356feff1210.webp');
            background-size: cover;
            background-position: center;
            padding: 3rem 0;
            min-height: 40vh;
            display: flex;
            align-items: flex-end;
            position: relative;
            border-bottom: 1px solid var(--c-border);
        }

        .category-page-header::before {
            content: "";
            position: absolute;
            inset: 0;
            background: linear-gradient(135deg, rgba(42, 18, 69, 0.88) 0%, rgba(15, 17, 21, 0.82) 100%);
            z-index: 1;
        }

        .category-page-header .container-custom {
            position: relative;
            z-index: 2;
        }

        .breadcrumb-custom {
            display: flex;
            align-items: center;
            gap: 8px;
            font-size: 0.85rem;
            color: var(--c-text-secondary);
            margin-bottom: 1rem;
            flex-wrap: wrap;
        }

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

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

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

        .breadcrumb-custom .current {
            color: var(--c-accent);
            font-weight: 500;
        }

        .category-page-header h1 {
            font-size: var(--fs-h1);
            font-weight: 800;
            color: var(--c-text-primary);
            margin-bottom: 0.75rem;
            letter-spacing: -0.02em;
        }

        .category-page-header .category-desc {
            font-size: 1rem;
            color: rgba(255, 255, 255, 0.75);
            max-width: 640px;
            line-height: 1.6;
        }

        /* Cards */
        .card-custom {
            background-color: var(--c-bg-card);
            border: 1px solid var(--c-border);
            border-radius: var(--radius-card);
            box-shadow: var(--shadow-card);
            overflow: hidden;
            transition: border-color var(--transition-base), box-shadow var(--transition-base), transform var(--transition-base);
            height: 100%;
        }

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

        .card-cover-img {
            width: 100%;
            aspect-ratio: 16 / 9;
            object-fit: cover;
        }

        .card-body-custom {
            padding: 1.25rem 1.25rem 1.5rem;
        }

        .card-title-custom {
            font-size: var(--fs-h3);
            font-weight: 600;
            color: var(--c-text-primary);
            margin-bottom: 0.5rem;
            line-height: 1.35;
        }

        .card-desc-custom {
            font-size: var(--fs-small);
            color: var(--c-text-secondary);
            line-height: 1.6;
            margin-bottom: 1rem;
        }

        .card-tag-row {
            display: flex;
            flex-wrap: wrap;
            gap: 8px;
            margin-bottom: 1rem;
        }

        .badge-tag {
            display: inline-block;
            font-size: 0.75rem;
            font-weight: 500;
            padding: 3px 10px;
            border-radius: var(--radius-pill);
            background: rgba(108, 60, 244, 0.15);
            color: #B69CF7;
            border: 1px solid rgba(108, 60, 244, 0.25);
        }

        .badge-tag-orange {
            display: inline-block;
            font-size: 0.75rem;
            font-weight: 500;
            padding: 3px 10px;
            border-radius: var(--radius-pill);
            background: rgba(249, 115, 22, 0.15);
            color: #FCA96D;
            border: 1px solid rgba(249, 115, 22, 0.25);
        }

        .badge-tag-accent {
            display: inline-block;
            font-size: 0.75rem;
            font-weight: 500;
            padding: 3px 10px;
            border-radius: var(--radius-pill);
            background: rgba(20, 184, 166, 0.12);
            color: #5ED3C4;
            border: 1px solid rgba(20, 184, 166, 0.25);
        }

        .btn-primary-custom {
            display: inline-flex;
            align-items: center;
            justify-content: center;
            padding: 10px 22px;
            font-size: 0.9rem;
            font-weight: 600;
            color: #ffffff;
            background-color: var(--c-primary);
            border: none;
            border-radius: var(--radius-sm);
            text-decoration: none;
            cursor: pointer;
            transition: background-color var(--transition-base), transform var(--transition-base), box-shadow var(--transition-base);
        }

        .btn-primary-custom:hover {
            background-color: var(--c-primary-hover);
            color: #ffffff;
            text-decoration: none;
            box-shadow: 0 6px 20px rgba(108, 60, 244, 0.4);
        }

        .btn-primary-custom:active {
            transform: translateY(1px);
            background-color: #5A2FD0;
        }

        .btn-secondary-custom {
            display: inline-flex;
            align-items: center;
            justify-content: center;
            padding: 10px 22px;
            font-size: 0.9rem;
            font-weight: 600;
            color: #ffffff;
            background-color: var(--c-secondary);
            border: none;
            border-radius: var(--radius-sm);
            text-decoration: none;
            cursor: pointer;
            transition: background-color var(--transition-base), transform var(--transition-base), filter var(--transition-base);
        }

        .btn-secondary-custom:hover {
            background-color: var(--c-secondary-hover);
            color: #ffffff;
            text-decoration: none;
            filter: saturate(1.05);
        }

        .btn-secondary-custom:active {
            transform: translateY(1px);
            background-color: #d85f0f;
        }

        .btn-ghost-custom {
            display: inline-flex;
            align-items: center;
            justify-content: center;
            padding: 10px 22px;
            font-size: 0.9rem;
            font-weight: 600;
            color: var(--c-text-primary);
            background: transparent;
            border: 1px solid var(--c-primary);
            border-radius: var(--radius-sm);
            text-decoration: none;
            cursor: pointer;
            transition: background-color var(--transition-base), color var(--transition-base), border-color var(--transition-base);
        }

        .btn-ghost-custom:hover {
            background-color: rgba(255, 255, 255, 0.08);
            border-color: var(--c-primary-hover);
            color: #ffffff;
            text-decoration: none;
        }

        /* Team Card */
        .team-card {
            background-color: var(--c-bg-card);
            border: 1px solid var(--c-border);
            border-radius: var(--radius-card);
            box-shadow: var(--shadow-card);
            overflow: hidden;
            transition: border-color var(--transition-base), box-shadow var(--transition-base), transform var(--transition-base);
            height: 100%;
            display: flex;
            flex-direction: column;
        }

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

        .team-card-cover {
            width: 100%;
            aspect-ratio: 16 / 9;
            object-fit: cover;
            border-bottom: 1px solid var(--c-border);
        }

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

        .team-card-name {
            font-size: 1.15rem;
            font-weight: 700;
            color: var(--c-text-primary);
            margin-bottom: 4px;
        }

        .team-card-game {
            font-size: 0.8rem;
            color: var(--c-accent);
            margin-bottom: 10px;
            font-weight: 500;
        }

        .team-stats-row {
            display: flex;
            gap: 12px;
            margin-top: auto;
            padding-top: 12px;
            border-top: 1px solid var(--c-border);
        }

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

        .team-stat-value {
            font-size: 1.1rem;
            font-weight: 700;
            color: var(--c-text-primary);
            font-variant-numeric: tabular-nums;
            font-family: var(--font-num);
        }

        .team-stat-label {
            font-size: 0.7rem;
            color: var(--c-text-muted);
            letter-spacing: 0.04em;
        }

        /* Data Snapshot */
        .data-snapshot-card {
            background-color: var(--c-bg-card);
            border: 1px solid var(--c-border);
            border-radius: var(--radius-card);
            padding: 1.5rem;
            height: 100%;
            transition: border-color var(--transition-base), box-shadow var(--transition-base);
            display: flex;
            flex-direction: column;
        }

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

        .data-snapshot-number {
            font-size: 2.4rem;
            font-weight: 800;
            color: var(--c-accent);
            font-variant-numeric: tabular-nums;
            font-family: var(--font-num);
            line-height: 1.1;
            margin-bottom: 8px;
        }

        .data-snapshot-label {
            font-size: 0.85rem;
            font-weight: 600;
            color: var(--c-text-primary);
            margin-bottom: 6px;
        }

        .data-snapshot-note {
            font-size: 0.78rem;
            color: var(--c-text-secondary);
            line-height: 1.5;
        }

        .data-bar-track {
            width: 100%;
            height: 6px;
            background-color: rgba(255, 255, 255, 0.08);
            border-radius: 3px;
            margin-top: 12px;
            overflow: hidden;
        }

        .data-bar-fill {
            height: 100%;
            border-radius: 3px;
            background: linear-gradient(90deg, var(--c-primary), var(--c-accent));
            transition: width 0.6s ease;
        }

        /* Timeline */
        .timeline-custom {
            position: relative;
            padding-left: 28px;
            list-style: none;
            margin: 0;
        }

        .timeline-custom::before {
            content: "";
            position: absolute;
            left: 8px;
            top: 4px;
            bottom: 4px;
            width: 2px;
            background: linear-gradient(180deg, var(--c-primary), var(--c-secondary));
            border-radius: 1px;
        }

        .timeline-item {
            position: relative;
            margin-bottom: 1.25rem;
            padding-bottom: 1.25rem;
            border-bottom: 1px solid var(--c-border);
        }

        .timeline-item:last-child {
            margin-bottom: 0;
            padding-bottom: 0;
            border-bottom: none;
        }

        .timeline-item::before {
            content: "";
            position: absolute;
            left: -24px;
            top: 6px;
            width: 10px;
            height: 10px;
            border-radius: 50%;
            background: var(--c-secondary);
            box-shadow: 0 0 0 3px rgba(249, 115, 22, 0.25);
        }

        .timeline-date {
            font-size: 0.75rem;
            color: var(--c-text-muted);
            margin-bottom: 4px;
            font-family: var(--font-num);
        }

        .timeline-title {
            font-size: 0.95rem;
            font-weight: 600;
            color: var(--c-text-primary);
            margin-bottom: 4px;
        }

        .timeline-desc {
            font-size: 0.82rem;
            color: var(--c-text-secondary);
            line-height: 1.5;
        }

        /* FAQ */
        .accordion-custom .accordion-item {
            background-color: var(--c-bg-card);
            border: 1px solid var(--c-border);
            border-radius: var(--radius-card) !important;
            margin-bottom: 12px;
            overflow: hidden;
            transition: border-color var(--transition-base);
        }

        .accordion-custom .accordion-item:has(.accordion-button:not(.collapsed)) {
            border-color: var(--c-border-strong);
        }

        .accordion-custom .accordion-button {
            background-color: var(--c-bg-card);
            color: var(--c-text-primary);
            font-weight: 600;
            font-size: 0.95rem;
            padding: 1rem 1.25rem;
            border-radius: var(--radius-card) !important;
            box-shadow: none;
            transition: background-color var(--transition-base), color var(--transition-base);
        }

        .accordion-custom .accordion-button:not(.collapsed) {
            background-color: var(--c-bg-card);
            color: var(--c-text-primary);
            box-shadow: none;
        }

        .accordion-custom .accordion-button::after {
            filter: invert(0.7);
            transition: transform 0.2s ease;
        }

        .accordion-custom .accordion-button:hover {
            background-color: rgba(255, 255, 255, 0.04);
        }

        .accordion-custom .accordion-body {
            background-color: var(--c-bg-card);
            color: var(--c-text-secondary);
            font-size: 0.88rem;
            line-height: 1.7;
            padding: 0 1.25rem 1.25rem;
        }

        /* CTA */
        .cta-section {
            background: linear-gradient(135deg, #2A1245 0%, #12141A 100%);
            border-top: 1px solid rgba(108, 60, 244, 0.25);
            border-bottom: 1px solid rgba(108, 60, 244, 0.25);
        }

        .cta-section .section-title {
            color: #ffffff;
        }

        /* Footer */
        .site-footer {
            background-color: #0A0C10;
            padding: 3rem 0 2rem;
            border-top: 2px solid var(--c-primary);
        }

        .footer-logo {
            display: flex;
            align-items: center;
            gap: 8px;
            font-size: 1.2rem;
            font-weight: 700;
            color: var(--c-text-primary);
            margin-bottom: 12px;
        }

        .footer-desc {
            font-size: 0.85rem;
            color: var(--c-text-secondary);
            line-height: 1.6;
            max-width: 320px;
        }

        .footer-heading {
            font-size: 0.9rem;
            font-weight: 600;
            color: var(--c-text-primary);
            margin-bottom: 14px;
        }

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

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

        .footer-links a {
            font-size: 0.82rem;
            color: var(--c-text-secondary);
            text-decoration: none;
            transition: color var(--transition-base);
        }

        .footer-links a:hover {
            color: var(--c-secondary);
            text-decoration: underline;
        }

        .footer-bottom {
            margin-top: 2rem;
            padding-top: 1.5rem;
            border-top: 1px solid rgba(255, 255, 255, 0.06);
            display: flex;
            flex-wrap: wrap;
            gap: 12px;
            justify-content: space-between;
            align-items: center;
        }

        .copyright {
            font-size: 0.78rem;
            color: var(--c-text-muted);
        }

        .footer-meta-links {
            display: flex;
            align-items: center;
            gap: 8px;
        }

        .footer-meta-links a {
            font-size: 0.78rem;
            color: var(--c-text-secondary);
            text-decoration: none;
            transition: color var(--transition-base);
        }

        .footer-meta-links a:hover {
            color: var(--c-secondary);
            text-decoration: underline;
        }

        /* Responsive */
        @media (min-width: 992px) {
            .desktop-only {
                display: inline-flex;
            }
            .navbar-toggler-custom {
                display: none;
            }
            .mobile-nav-collapse {
                display: none !important;
            }
        }

        @media (max-width: 991px) {
            .desktop-only {
                display: none !important;
            }
            .navbar-toggler-custom {
                display: flex;
            }
            .navbar-nav-custom {
                display: none;
            }
            .site-header {
                height: 56px;
            }
            .mobile-nav-collapse {
                top: 56px;
            }
        }

        @media (max-width: 767px) {
            section {
                padding: var(--section-padding-mobile);
            }
            .container-custom {
                padding-left: 16px;
                padding-right: 16px;
            }
            .row {
                --bs-gutter-x: 14px;
            }
            .category-page-header {
                min-height: 35vh;
                padding: 2rem 0;
            }
            .category-page-header h1 {
                font-size: clamp(1.5rem, 5vw, 2rem);
            }
            .data-snapshot-number {
                font-size: 1.8rem;
            }
            .team-stats-row {
                gap: 8px;
            }
            .footer-bottom {
                flex-direction: column;
                align-items: flex-start;
                gap: 8px;
            }
        }

        @media (max-width: 520px) {
            .container-custom {
                padding-left: 12px;
                padding-right: 12px;
            }
            .row {
                --bs-gutter-x: 10px;
            }
            .nav-cta-btn {
                padding: 6px 14px;
                font-size: 0.8rem;
            }
            .navbar-logo {
                font-size: 1.05rem;
            }
            .logo-icon {
                width: 24px;
                height: 24px;
                font-size: 0.8rem;
            }
        }

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