/* roulang page: index */
:root {
            --primary: #2F7BEA;
            --primary-strong: #1F67D0;
            --primary-soft: rgba(47, 123, 234, 0.10);
            --cyan: #25C9E0;
            --cyan-soft: rgba(37, 201, 224, 0.12);
            --orange: #FF6B35;
            --orange-soft: rgba(255, 107, 53, 0.12);
            --text-main: #1A2233;
            --text-sub: #5C6B80;
            --text-mute: #8A96A8;
            --bg-page: #F5F7FB;
            --bg-white: #FFFFFF;
            --bg-footer: #1B2434;
            --border-light: rgba(0, 0, 0, 0.04);
            --border-input: #D6DFEC;
            --shadow-card: 0 12px 32px rgba(0, 0, 0, 0.06);
            --shadow-card-hover: 0 20px 44px rgba(0, 0, 0, 0.10);
            --radius-sm: 10px;
            --radius-md: 14px;
            --radius-lg: 16px;
            --radius-xl: 20px;
            --font-sans: "PingFang SC", "Hiragino Sans GB", "Source Han Sans SC", "Microsoft YaHei", "Noto Sans CJK SC", -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, Helvetica, Arial, sans-serif;
            --transition: 0.25s cubic-bezier(0.22, 0.61, 0.36, 1);
            --container-max: 1200px;
            --header-height: 64px;
            --drawer-width: 400px;
        }
        * {
            box-sizing: border-box;
            margin: 0;
            padding: 0;
        }
        html {
            scroll-behavior: smooth;
            -webkit-text-size-adjust: 100%;
        }
        body {
            font-family: var(--font-sans);
            font-size: 16px;
            line-height: 1.7;
            color: var(--text-main);
            background-color: var(--bg-page);
            min-height: 100vh;
            display: flex;
            flex-direction: column;
        }
        img {
            max-width: 100%;
            height: auto;
            display: block;
            border: 0;
        }
        a {
            color: var(--primary);
            text-decoration: none;
            transition: color var(--transition);
        }
        a:hover {
            color: var(--primary-strong);
        }
        a:focus-visible {
            outline: 3px solid rgba(47, 123, 234, 0.35);
            outline-offset: 2px;
            border-radius: 4px;
        }
        button,
        input,
        textarea,
        select {
            font: inherit;
            color: inherit;
        }
        button {
            cursor: pointer;
            border: none;
            background: none;
            -webkit-tap-highlight-color: transparent;
        }
        button:focus-visible,
        input:focus-visible,
        textarea:focus-visible,
        select:focus-visible {
            outline: 3px solid rgba(47, 123, 234, 0.35);
            outline-offset: 2px;
        }
        ::selection {
            background: rgba(47, 123, 234, 0.16);
            color: var(--text-main);
        }
        .container {
            max-width: var(--container-max);
            margin: 0 auto;
            padding-left: 32px;
            padding-right: 32px;
        }
        @media (max-width:767px) {
            .container {
                padding-left: 16px;
                padding-right: 16px;
            }
        }

        /* Header & Navigation */
        .site-header {
            position: sticky;
            top: 0;
            z-index: 1000;
            height: var(--header-height);
            background: rgba(255, 255, 255, 0.92);
            backdrop-filter: saturate(1.4) blur(16px);
            -webkit-backdrop-filter: saturate(1.4) blur(16px);
            border-bottom: 1px solid var(--border-light);
            display: flex;
            align-items: center;
            justify-content: space-between;
            padding: 0 32px;
            transition: box-shadow var(--transition), border-color var(--transition);
        }
        .site-header.scrolled {
            box-shadow: 0 6px 24px rgba(0, 0, 0, 0.06);
            border-bottom-color: rgba(0, 0, 0, 0.06);
        }
        .header-left {
            display: flex;
            align-items: center;
            gap: 12px;
        }
        .logo {
            display: flex;
            align-items: center;
            gap: 10px;
            font-weight: 800;
            font-size: 21px;
            color: var(--text-main);
            letter-spacing: 0.02em;
            text-decoration: none;
            transition: opacity var(--transition);
        }
        .logo:hover {
            opacity: 0.82;
            color: var(--text-main);
        }
        .logo-mark {
            width: 36px;
            height: 36px;
            border-radius: 10px;
            background: linear-gradient(135deg, var(--primary), var(--cyan));
            display: inline-flex;
            align-items: center;
            justify-content: center;
            color: #fff;
            font-weight: 900;
            font-size: 18px;
            flex-shrink: 0;
            box-shadow: 0 4px 12px rgba(47, 123, 234, 0.28);
        }
        .header-right {
            display: flex;
            align-items: center;
            gap: 12px;
        }
        .btn-hamburger {
            width: 42px;
            height: 42px;
            border-radius: 12px;
            border: 1px solid var(--border-input);
            background: var(--bg-white);
            display: inline-flex;
            flex-direction: column;
            align-items: center;
            justify-content: center;
            gap: 4.5px;
            transition: border-color var(--transition), background var(--transition), transform var(--transition);
            position: relative;
            z-index: 1201;
        }
        .btn-hamburger:hover {
            border-color: var(--primary);
            background: var(--primary-soft);
            transform: translateY(-1px);
        }
        .btn-hamburger:active {
            transform: translateY(0);
            background: rgba(47, 123, 234, 0.18);
        }
        .btn-hamburger span {
            display: block;
            width: 18px;
            height: 1.8px;
            background: var(--text-main);
            border-radius: 3px;
            transition: all var(--transition);
        }
        .btn-hamburger.active span:nth-child(1) {
            transform: translateY(6.3px) rotate(45deg);
            background: var(--primary);
        }
        .btn-hamburger.active span:nth-child(2) {
            opacity: 0;
        }
        .btn-hamburger.active span:nth-child(3) {
            transform: translateY(-6.3px) rotate(-45deg);
            background: var(--primary);
        }
        .btn-cta-top {
            display: inline-flex;
            align-items: center;
            justify-content: center;
            height: 42px;
            padding: 0 18px;
            border-radius: 12px;
            background: var(--primary);
            color: #fff;
            font-weight: 700;
            font-size: 14px;
            letter-spacing: 0.01em;
            transition: background var(--transition), transform var(--transition), box-shadow var(--transition);
            white-space: nowrap;
            text-decoration: none;
        }
        .btn-cta-top:hover {
            background: var(--primary-strong);
            transform: translateY(-1px);
            box-shadow: 0 8px 20px rgba(47, 123, 234, 0.24);
            color: #fff;
        }

        .drawer-overlay {
            position: fixed;
            inset: 0;
            background: rgba(15, 23, 42, 0.55);
            opacity: 0;
            pointer-events: none;
            transition: opacity 0.3s ease;
            z-index: 1190;
        }
        .drawer-overlay.active {
            opacity: 1;
            pointer-events: auto;
        }
        .drawer-panel {
            position: fixed;
            top: 0;
            right: 0;
            bottom: 0;
            width: var(--drawer-width);
            max-width: 100%;
            background: #fff;
            box-shadow: -8px 0 32px rgba(0, 0, 0, 0.10);
            transform: translateX(105%);
            transition: transform 0.3s ease;
            z-index: 1200;
            display: flex;
            flex-direction: column;
            padding: 24px 28px 28px;
            overflow-y: auto;
        }
        .drawer-panel.active {
            transform: translateX(0);
        }
        .drawer-header {
            display: flex;
            align-items: center;
            justify-content: space-between;
            margin-bottom: 28px;
            flex-shrink: 0;
        }
        .drawer-title {
            font-weight: 800;
            font-size: 18px;
            color: var(--text-main);
            display: flex;
            align-items: center;
            gap: 8px;
        }
        .btn-drawer-close {
            width: 38px;
            height: 38px;
            border-radius: 12px;
            border: 1px solid var(--border-input);
            background: var(--bg-white);
            display: inline-flex;
            align-items: center;
            justify-content: center;
            font-size: 18px;
            color: var(--text-sub);
            transition: all var(--transition);
        }
        .btn-drawer-close:hover {
            background: rgba(255, 107, 53, 0.10);
            border-color: var(--orange);
            color: var(--orange);
        }
        .drawer-nav {
            flex: 1;
            display: flex;
            flex-direction: column;
            gap: 4px;
        }
        .drawer-nav-item {
            display: flex;
            align-items: center;
            justify-content: space-between;
            padding: 13px 14px;
            border-radius: 12px;
            color: var(--text-main);
            font-weight: 600;
            font-size: 16px;
            transition: background var(--transition), color var(--transition);
            text-decoration: none;
            letter-spacing: 0.01em;
        }
        .drawer-nav-item:hover {
            background: var(--primary-soft);
            color: var(--primary-strong);
        }
        .drawer-nav-item.active {
            background: var(--primary-soft);
            color: var(--primary);
        }
        .drawer-nav-item small {
            font-weight: 400;
            font-size: 12px;
            color: var(--text-mute);
            margin-left: auto;
            padding-left: 12px;
            white-space: nowrap;
        }
        .drawer-cta {
            margin-top: 24px;
            flex-shrink: 0;
            display: flex;
            flex-direction: column;
            gap: 12px;
        }
        .drawer-cta a {
            display: flex;
            align-items: center;
            justify-content: center;
            height: 46px;
            border-radius: 12px;
            font-weight: 700;
            font-size: 15px;
            text-decoration: none;
        }
        .drawer-cta .cta-primary {
            background: var(--primary);
            color: #fff;
        }
        .drawer-cta .cta-primary:hover {
            background: var(--primary-strong);
            color: #fff;
        }
        .drawer-cta .cta-secondary {
            border: 1px solid var(--primary);
            color: var(--primary);
            background: #fff;
        }
        .drawer-cta .cta-secondary:hover {
            background: var(--primary-soft);
        }
        @media (max-width: 519px) {
            .drawer-panel {
                width: 100%;
                padding: 20px 20px 24px;
            }
            .site-header {
                padding: 0 16px;
            }
            .btn-cta-top {
                height: 38px;
                padding: 0 14px;
                font-size: 13px;
            }
        }

        /* Hero */
        .hero {
            position: relative;
            padding: 72px 0 56px;
            background: #fff;
            overflow: hidden;
        }
        .hero::before {
            content: "";
            position: absolute;
            top: -140px;
            right: -120px;
            width: 420px;
            height: 420px;
            border-radius: 50%;
            background: radial-gradient(circle, rgba(37, 201, 224, 0.08), transparent 70%);
            pointer-events: none;
        }
        .hero-inner {
            position: relative;
            z-index: 1;
            display: grid;
            grid-template-columns: 1.15fr 1fr;
            gap: 56px;
            align-items: center;
        }
        .hero-tag {
            display: inline-flex;
            align-items: center;
            gap: 8px;
            background: var(--orange-soft);
            color: var(--orange);
            font-size: 13px;
            font-weight: 700;
            padding: 6px 14px;
            border-radius: 50px;
            margin-bottom: 18px;
            letter-spacing: 0.03em;
        }
        .hero h1 {
            font-size: 42px;
            line-height: 1.25;
            font-weight: 800;
            color: var(--text-main);
            letter-spacing: 0.02em;
            margin-bottom: 20px;
        }
        .hero-subtitle {
            font-size: 16px;
            line-height: 1.85;
            color: var(--text-sub);
            max-width: 540px;
            margin-bottom: 28px;
        }
        .hero-actions {
            display: flex;
            flex-wrap: wrap;
            gap: 12px;
            margin-bottom: 24px;
        }
        .btn-primary {
            display: inline-flex;
            align-items: center;
            justify-content: center;
            height: 48px;
            padding: 0 26px;
            border-radius: 12px;
            background: var(--primary);
            color: #fff;
            font-weight: 700;
            font-size: 15px;
            transition: background var(--transition), transform var(--transition), box-shadow var(--transition);
            text-decoration: none;
            white-space: nowrap;
        }
        .btn-primary:hover {
            background: var(--primary-strong);
            transform: translateY(-2px);
            box-shadow: 0 12px 28px rgba(47, 123, 234, 0.28);
            color: #fff;
        }
        .btn-primary:active {
            transform: translateY(0);
        }
        .btn-primary:disabled,
        .btn-primary.disabled {
            background: #C4CFE0;
            color: #fff;
            cursor: not-allowed;
            box-shadow: none;
            transform: none;
        }
        .btn-secondary {
            display: inline-flex;
            align-items: center;
            justify-content: center;
            height: 48px;
            padding: 0 26px;
            border-radius: 12px;
            border: 1px solid var(--primary);
            color: var(--primary);
            background: #fff;
            font-weight: 700;
            font-size: 15px;
            transition: background var(--transition), transform var(--transition), box-shadow var(--transition);
            text-decoration: none;
            white-space: nowrap;
        }
        .btn-secondary:hover {
            background: var(--primary-soft);
            transform: translateY(-2px);
            box-shadow: 0 8px 18px rgba(47, 123, 234, 0.16);
            color: var(--primary);
        }
        .btn-secondary:active {
            transform: translateY(0);
        }
        .hero-visual {
            position: relative;
            background: var(--bg-white);
            border-radius: var(--radius-xl);
            box-shadow: var(--shadow-card);
            overflow: hidden;
            border: 1px solid var(--border-light);
        }
        .hero-visual img {
            width: 100%;
            height: 290px;
            object-fit: cover;
            border-radius: var(--radius-xl) var(--radius-xl) 0 0;
        }
        .hero-visual-body {
            padding: 18px 20px 20px;
        }
        .hero-visual-title {
            font-weight: 700;
            font-size: 16px;
            color: var(--text-main);
            margin-bottom: 8px;
        }
        .hero-visual-stats {
            display: flex;
            gap: 20px;
            flex-wrap: wrap;
        }
        .hero-visual-stat {
            font-size: 13px;
            color: var(--text-sub);
        }
        .hero-visual-stat strong {
            display: block;
            font-size: 22px;
            color: var(--primary);
            font-weight: 800;
            letter-spacing: -0.01em;
        }
        .hero-comparison {
            margin-top: 44px;
            position: relative;
            z-index: 1;
            display: grid;
            grid-template-columns: repeat(3, 1fr);
            gap: 18px;
        }
        .compare-card {
            background: #fff;
            border: 1px solid var(--border-light);
            border-radius: var(--radius-lg);
            padding: 22px 20px;
            box-shadow: var(--shadow-card);
            transition: transform var(--transition), box-shadow var(--transition), border-color var(--transition);
            position: relative;
            display: flex;
            flex-direction: column;
        }
        .compare-card:hover {
            transform: translateY(-4px);
            box-shadow: var(--shadow-card-hover);
        }
        .compare-card.recommended {
            border-color: var(--primary);
            background: linear-gradient(180deg, rgba(47, 123, 234, 0.04), #fff 80%);
            box-shadow: 0 16px 40px rgba(47, 123, 234, 0.14);
        }
        .compare-badge {
            position: absolute;
            top: -12px;
            right: 16px;
            background: var(--primary);
            color: #fff;
            font-size: 11px;
            font-weight: 700;
            padding: 4px 10px;
            border-radius: 20px;
            letter-spacing: 0.03em;
        }
        .compare-card h3 {
            font-size: 17px;
            font-weight: 700;
            color: var(--text-main);
            margin-bottom: 6px;
        }
        .compare-card .compare-name {
            font-size: 13px;
            color: var(--text-mute);
            margin-bottom: 14px;
            letter-spacing: 0.02em;
        }
        .compare-card ul {
            list-style: none;
            margin-top: 4px;
            margin-bottom: 16px;
            flex: 1;
        }
        .compare-card ul li {
            font-size: 13px;
            line-height: 1.6;
            color: var(--text-sub);
            padding: 5px 0;
            border-bottom: 1px dashed rgba(0, 0, 0, 0.05);
            display: flex;
            align-items: center;
            gap: 6px;
        }
        .compare-card ul li::before {
            content: "✓";
            color: var(--primary);
            font-weight: 700;
            font-size: 12px;
        }
        .compare-card .btn-mini {
            width: 100%;
            height: 38px;
            border-radius: 10px;
            background: var(--primary-soft);
            color: var(--primary);
            font-weight: 700;
            font-size: 13px;
            display: inline-flex;
            align-items: center;
            justify-content: center;
            transition: all var(--transition);
            text-decoration: none;
        }
        .compare-card .btn-mini:hover {
            background: var(--primary);
            color: #fff;
        }
        .compare-card.recommended .btn-mini {
            background: var(--primary);
            color: #fff;
        }
        .compare-card.recommended .btn-mini:hover {
            background: var(--primary-strong);
        }

        @media (max-width: 1023px) {
            .hero-inner {
                grid-template-columns: 1fr;
                gap: 32px;
            }
            .hero h1 {
                font-size: 34px;
            }
            .hero-visual img {
                height: 240px;
            }
            .hero-comparison {
                grid-template-columns: 1fr;
                gap: 18px;
            }
        }
        @media (max-width: 767px) {
            .hero {
                padding: 40px 0 36px;
            }
            .hero h1 {
                font-size: 28px;
            }
            .hero-subtitle {
                font-size: 14px;
            }
            .hero-actions {
                flex-direction: column;
                width: 100%;
            }
            .btn-primary,
            .btn-secondary {
                width: 100%;
                height: 46px;
                font-size: 14px;
                padding: 0 16px;
            }
            .hero-visual img {
                height: 190px;
            }
            .hero-comparison {
                grid-template-columns: 1fr;
            }
        }

        /* Section Base */
        .section {
            padding: 56px 0;
        }
        .section-offset {
            background: var(--bg-white);
        }
        .section-header {
            margin-bottom: 30px;
        }
        .section-header h2 {
            font-size: 28px;
            line-height: 1.4;
            font-weight: 800;
            color: var(--text-main);
            margin-bottom: 10px;
            letter-spacing: 0.02em;
        }
        .section-header p {
            font-size: 15px;
            line-height: 1.8;
            color: var(--text-sub);
            max-width: 780px;
        }
        .section-header.center {
            text-align: center;
        }
        .section-header.center p {
            margin: 0 auto;
        }

        /* Grid utilities */
        .grid-2 {
            display: grid;
            grid-template-columns: repeat(2, 1fr);
            gap: 24px;
        }
        .grid-3 {
            display: grid;
            grid-template-columns: repeat(3, 1fr);
            gap: 24px;
        }
        .grid-4 {
            display: grid;
            grid-template-columns: repeat(4, 1fr);
            gap: 20px;
        }
        @media (max-width: 1023px) {
            .grid-2,
            .grid-3,
            .grid-4 {
                grid-template-columns: repeat(2, 1fr);
            }
        }
        @media (max-width: 767px) {
            .grid-2,
            .grid-3,
            .grid-4 {
                grid-template-columns: 1fr;
                gap: 16px;
            }
        }

        /* Cards */
        .card {
            background: #fff;
            border: 1px solid var(--border-light);
            border-radius: var(--radius-lg);
            box-shadow: var(--shadow-card);
            padding: 22px 20px;
            transition: transform var(--transition), box-shadow var(--transition), border-color var(--transition);
        }
        .card:hover {
            transform: translateY(-4px);
            box-shadow: var(--shadow-card-hover);
            border-color: rgba(47, 123, 234, 0.14);
        }
        .card-media {
            border-radius: var(--radius-md);
            overflow: hidden;
            margin-bottom: 16px;
            aspect-ratio: 16 / 9;
            position: relative;
            background: #F0F4F9;
        }
        .card-media img {
            width: 100%;
            height: 100%;
            object-fit: cover;
            transition: transform 0.5s ease;
        }
        .card:hover .card-media img {
            transform: scale(1.04);
        }
        .card-tag {
            display: inline-block;
            background: var(--cyan-soft);
            color: var(--cyan);
            font-size: 11px;
            font-weight: 700;
            padding: 3px 10px;
            border-radius: 20px;
            margin-bottom: 10px;
            letter-spacing: 0.03em;
        }
        .card-tag.orange {
            background: var(--orange-soft);
            color: var(--orange);
        }
        .card h3 {
            font-size: 18px;
            font-weight: 700;
            color: var(--text-main);
            margin-bottom: 8px;
            line-height: 1.45;
        }
        .card p {
            font-size: 14px;
            line-height: 1.7;
            color: var(--text-sub);
            margin-bottom: 10px;
        }
        .card-meta {
            font-size: 12px;
            color: var(--text-mute);
            display: flex;
            align-items: center;
            gap: 12px;
            flex-wrap: wrap;
        }
        .card-meta span {
            display: inline-flex;
            align-items: center;
            gap: 4px;
        }

        /* Feature cards */
        .feature-grid {
            display: grid;
            grid-template-columns: repeat(6, 1fr);
            gap: 20px;
        }
        @media (max-width: 1023px) {
            .feature-grid {
                grid-template-columns: repeat(3, 1fr);
            }
        }
        @media (max-width: 767px) {
            .feature-grid {
                grid-template-columns: repeat(2, 1fr);
                gap: 14px;
            }
        }
        @media (max-width: 519px) {
            .feature-grid {
                grid-template-columns: 1fr;
            }
        }
        .feature-card {
            background: #fff;
            border: 1px solid var(--border-light);
            border-radius: var(--radius-lg);
            padding: 20px 18px;
            box-shadow: 0 4px 16px rgba(0, 0, 0, 0.04);
            transition: all var(--transition);
        }
        .feature-card:hover {
            transform: translateY(-4px);
            box-shadow: var(--shadow-card-hover);
        }
        .feature-icon {
            width: 42px;
            height: 42px;
            border-radius: 12px;
            display: inline-flex;
            align-items: center;
            justify-content: center;
            font-size: 20px;
            margin-bottom: 14px;
            background: var(--primary-soft);
            color: var(--primary);
            flex-shrink: 0;
        }
        .feature-icon.cyan {
            background: var(--cyan-soft);
            color: var(--cyan);
        }
        .feature-icon.orange {
            background: var(--orange-soft);
            color: var(--orange);
        }
        .feature-card h3 {
            font-size: 16px;
            font-weight: 700;
            color: var(--text-main);
            margin-bottom: 7px;
            line-height: 1.4;
        }
        .feature-card p {
            font-size: 13px;
            line-height: 1.7;
            color: var(--text-sub);
        }

        /* Stats strip */
        .stats-strip {
            background: #fff;
            border-radius: var(--radius-xl);
            box-shadow: var(--shadow-card);
            padding: 28px 24px;
            display: flex;
            flex-wrap: wrap;
            align-items: center;
            justify-content: space-around;
            gap: 20px;
            border: 1px solid var(--border-light);
        }
        .stat-item {
            text-align: center;
            padding: 8px 16px;
            flex: 1;
            min-width: 120px;
        }
        .stat-item .stat-number {
            font-size: 32px;
            font-weight: 800;
            color: var(--primary);
            letter-spacing: -0.02em;
            line-height: 1.3;
        }
        .stat-item .stat-number.cyan {
            color: var(--cyan);
        }
        .stat-item .stat-number.orange {
            color: var(--orange);
        }
        .stat-item .stat-label {
            font-size: 13px;
            color: var(--text-sub);
            margin-top: 4px;
        }
        @media (max-width: 767px) {
            .stats-strip {
                flex-direction: column;
                padding: 22px 16px;
            }
            .stat-item {
                padding: 6px 12px;
            }
            .stat-item .stat-number {
                font-size: 26px;
            }
        }

        /* Steps */
        .steps-grid {
            display: grid;
            grid-template-columns: repeat(4, 1fr);
            gap: 20px;
            position: relative;
        }
        @media (max-width: 1023px) {
            .steps-grid {
                grid-template-columns: repeat(2, 1fr);
            }
        }
        @media (max-width: 767px) {
            .steps-grid {
                grid-template-columns: 1fr;
            }
        }
        .step-item {
            background: #fff;
            border-radius: var(--radius-lg);
            padding: 22px 20px;
            border: 1px solid var(--border-light);
            box-shadow: 0 4px 14px rgba(0, 0, 0, 0.04);
            position: relative;
            transition: all var(--transition);
        }
        .step-item:hover {
            transform: translateY(-3px);
            box-shadow: var(--shadow-card-hover);
        }
        .step-num {
            display: inline-flex;
            align-items: center;
            justify-content: center;
            width: 32px;
            height: 32px;
            border-radius: 50%;
            background: var(--primary);
            color: #fff;
            font-size: 14px;
            font-weight: 800;
            margin-bottom: 14px;
        }
        .step-num.cyan {
            background: var(--cyan);
        }
        .step-num.orange {
            background: var(--orange);
        }
        .step-item h3 {
            font-size: 16px;
            font-weight: 700;
            color: var(--text-main);
            margin-bottom: 7px;
        }
        .step-item p {
            font-size: 13px;
            line-height: 1.7;
            color: var(--text-sub);
        }

        /* List / timeline */
        .info-list {
            display: flex;
            flex-direction: column;
            gap: 14px;
        }
        .info-item {
            background: #fff;
            border-radius: var(--radius-lg);
            padding: 16px 20px;
            border: 1px solid var(--border-light);
            box-shadow: 0 4px 12px rgba(0, 0, 0, 0.04);
            display: flex;
            align-items: center;
            gap: 14px;
            transition: all var(--transition);
        }
        .info-item:hover {
            transform: translateX(4px);
            box-shadow: var(--shadow-card-hover);
            border-left: 3px solid var(--primary);
        }
        .info-item .info-date {
            font-size: 12px;
            font-weight: 700;
            color: var(--primary);
            min-width: 58px;
            text-align: center;
            background: var(--primary-soft);
            padding: 6px 8px;
            border-radius: 10px;
            flex-shrink: 0;
        }
        .info-item h3 {
            font-size: 15px;
            font-weight: 600;
            color: var(--text-main);
            margin-bottom: 3px;
            line-height: 1.4;
        }
        .info-item p {
            font-size: 13px;
            color: var(--text-sub);
            margin: 0;
        }

        /* Calendar */
        .calendar-grid {
            display: grid;
            grid-template-columns: repeat(5, 1fr);
            gap: 16px;
        }
        @media (max-width: 1023px) {
            .calendar-grid {
                grid-template-columns: repeat(3, 1fr);
            }
        }
        @media (max-width: 767px) {
            .calendar-grid {
                grid-template-columns: repeat(2, 1fr);
                gap: 12px;
            }
        }
        @media (max-width: 519px) {
            .calendar-grid {
                grid-template-columns: 1fr;
            }
        }
        .calendar-item {
            background: #fff;
            border-radius: var(--radius-lg);
            border: 1px solid var(--border-light);
            box-shadow: 0 4px 12px rgba(0, 0, 0, 0.04);
            padding: 16px;
            transition: all var(--transition);
        }
        .calendar-item:hover {
            transform: translateY(-3px);
            box-shadow: var(--shadow-card-hover);
            border-color: rgba(47, 123, 234, 0.18);
        }
        .calendar-date {
            font-size: 12px;
            font-weight: 700;
            color: var(--orange);
            margin-bottom: 8px;
            letter-spacing: 0.03em;
        }
        .calendar-item h3 {
            font-size: 14px;
            font-weight: 700;
            color: var(--text-main);
            margin-bottom: 6px;
            line-height: 1.45;
        }
        .calendar-item p {
            font-size: 12px;
            line-height: 1.6;
            color: var(--text-sub);
            margin: 0;
        }

        /* Community wall */
        .community-grid {
            display: grid;
            grid-template-columns: repeat(4, 1fr);
            gap: 16px;
        }
        @media (max-width: 1023px) {
            .community-grid {
                grid-template-columns: repeat(2, 1fr);
            }
        }
        @media (max-width: 767px) {
            .community-grid {
                grid-template-columns: 1fr;
            }
        }
        .community-item {
            background: #fff;
            border-radius: var(--radius-lg);
            border: 1px solid var(--border-light);
            padding: 18px 16px;
            box-shadow: 0 4px 12px rgba(0, 0, 0, 0.04);
            transition: all var(--transition);
        }
        .community-item:hover {
            transform: translateY(-3px);
            box-shadow: var(--shadow-card-hover);
        }
        .community-user {
            display: flex;
            align-items: center;
            gap: 8px;
            margin-bottom: 10px;
        }
        .community-avatar {
            width: 32px;
            height: 32px;
            border-radius: 50%;
            background: linear-gradient(135deg, var(--primary), var(--cyan));
            color: #fff;
            display: inline-flex;
            align-items: center;
            justify-content: center;
            font-size: 13px;
            font-weight: 700;
            flex-shrink: 0;
        }
        .community-user span {
            font-size: 13px;
            font-weight: 600;
            color: var(--text-main);
        }
        .community-item p {
            font-size: 13px;
            line-height: 1.7;
            color: var(--text-sub);
            margin: 0;
        }
        .community-item .community-time {
            display: block;
            margin-top: 8px;
            font-size: 11px;
            color: var(--text-mute);
        }

        /* Brand intro */
        .brand-intro {
            background: #fff;
            border-radius: var(--radius-xl);
            box-shadow: var(--shadow-card);
            border: 1px solid var(--border-light);
            padding: 32px 28px;
            display: grid;
            grid-template-columns: 1fr 1.2fr;
            gap: 32px;
            align-items: center;
        }
        .brand-intro-media img {
            border-radius: var(--radius-lg);
            height: 240px;
            object-fit: cover;
            width: 100%;
        }
        .brand-intro h2 {
            font-size: 22px;
            font-weight: 800;
            color: var(--text-main);
            margin-bottom: 12px;
            letter-spacing: 0.02em;
        }
        .brand-intro p {
            font-size: 14px;
            line-height: 1.85;
            color: var(--text-sub);
            margin-bottom: 10px;
        }
        @media (max-width: 767px) {
            .brand-intro {
                grid-template-columns: 1fr;
                padding: 22px 18px;
                gap: 18px;
            }
            .brand-intro-media img {
                height: 180px;
            }
        }

        /* FAQ */
        .faq-list {
            display: flex;
            flex-direction: column;
            gap: 12px;
        }
        .faq-item {
            background: #fff;
            border: 1px solid var(--border-light);
            border-radius: var(--radius-md);
            box-shadow: 0 4px 12px rgba(0, 0, 0, 0.04);
            overflow: hidden;
            transition: box-shadow var(--transition), border-color var(--transition);
        }
        .faq-item:hover {
            box-shadow: var(--shadow-card-hover);
            border-color: rgba(47, 123, 234, 0.14);
        }
        .faq-question {
            padding: 18px 20px;
            display: flex;
            align-items: center;
            justify-content: space-between;
            gap: 12px;
            cursor: pointer;
            font-weight: 700;
            font-size: 15px;
            color: var(--text-main);
            width: 100%;
            text-align: left;
            background: transparent;
            line-height: 1.5;
        }
        .faq-icon {
            width: 24px;
            height: 24px;
            border-radius: 50%;
            background: var(--primary-soft);
            color: var(--primary);
            display: inline-flex;
            align-items: center;
            justify-content: center;
            font-weight: 700;
            font-size: 14px;
            flex-shrink: 0;
            transition: all var(--transition);
        }
        .faq-item.open .faq-icon {
            transform: rotate(45deg);
            background: var(--orange-soft);
            color: var(--orange);
        }
        .faq-answer {
            max-height: 0;
            overflow: hidden;
            transition: max-height 0.35s ease, padding 0.35s ease;
            padding: 0 20px;
            color: var(--text-sub);
            font-size: 14px;
            line-height: 1.75;
        }
        .faq-item.open .faq-answer {
            max-height: 300px;
            padding: 0 20px 18px;
        }

        /* Guarantee strip */
        .guarantee-strip {
            background: #fff;
            border-radius: var(--radius-xl);
            box-shadow: var(--shadow-card);
            padding: 24px 28px;
            display: grid;
            grid-template-columns: repeat(3, 1fr);
            gap: 18px;
            border: 1px solid var(--border-light);
        }
        .guarantee-item {
            display: flex;
            align-items: flex-start;
            gap: 12px;
        }
        .guarantee-icon {
            width: 36px;
            height: 36px;
            border-radius: 10px;
            background: var(--cyan-soft);
            color: var(--cyan);
            display: inline-flex;
            align-items: center;
            justify-content: center;
            flex-shrink: 0;
            font-size: 16px;
        }
        .guarantee-item h3 {
            font-size: 14px;
            font-weight: 700;
            color: var(--text-main);
            margin-bottom: 4px;
        }
        .guarantee-item p {
            font-size: 12px;
            line-height: 1.6;
            color: var(--text-sub);
            margin: 0;
        }
        @media (max-width: 767px) {
            .guarantee-strip {
                grid-template-columns: 1fr;
                padding: 20px 16px;
            }
        }

        /* CTA form */
        .cta-section {
            background: #fff;
            border-radius: var(--radius-xl);
            box-shadow: var(--shadow-card);
            border: 1px solid var(--border-light);
            padding: 32px 28px;
            display: grid;
            grid-template-columns: 1fr 1fr;
            gap: 32px;
            align-items: center;
        }
        .cta-section h2 {
            font-size: 24px;
            font-weight: 800;
            color: var(--text-main);
            margin-bottom: 10px;
        }
        .cta-section p {
            font-size: 14px;
            line-height: 1.8;
            color: var(--text-sub);
            margin-bottom: 12px;
        }
        .cta-contact-item {
            display: flex;
            align-items: center;
            gap: 10px;
            margin-bottom: 8px;
            font-size: 14px;
            color: var(--text-sub);
        }
        .cta-contact-item strong {
            color: var(--text-main);
        }
        .form-group {
            margin-bottom: 14px;
        }
        .form-group label {
            display: block;
            font-size: 13px;
            font-weight: 600;
            color: var(--text-main);
            margin-bottom: 6px;
        }
        .form-group input,
        .form-group textarea {
            width: 100%;
            border: 1px solid var(--border-input);
            border-radius: 8px;
            padding: 11px 14px;
            font-size: 14px;
            transition: border-color var(--transition), box-shadow var(--transition);
            background: #fff;
            color: var(--text-main);
        }
        .form-group input:focus,
        .form-group textarea:focus {
            border-color: var(--primary);
            box-shadow: 0 0 0 3px rgba(47, 123, 234, 0.18);
            outline: none;
        }
        .form-group textarea {
            resize: vertical;
            min-height: 90px;
        }
        .form-privacy {
            font-size: 12px;
            color: var(--text-mute);
            margin-top: 8px;
        }
        .btn-submit {
            width: 100%;
            height: 46px;
            border-radius: 10px;
            background: var(--primary);
            color: #fff;
            font-weight: 700;
            font-size: 15px;
            transition: background var(--transition), transform var(--transition);
            border: none;
        }
        .btn-submit:hover {
            background: var(--primary-strong);
            transform: translateY(-1px);
        }
        @media (max-width: 767px) {
            .cta-section {
                grid-template-columns: 1fr;
                padding: 22px 18px;
                gap: 20px;
            }
        }

        /* Footer */
        .site-footer {
            background: var(--bg-footer);
            color: rgba(255, 255, 255, 0.82);
            padding: 48px 0 28px;
            margin-top: 56px;
        }
        .footer-grid {
            display: grid;
            grid-template-columns: 2fr 1fr 1fr 1fr;
            gap: 32px;
            margin-bottom: 32px;
        }
        .footer-brand p {
            font-size: 13px;
            line-height: 1.8;
            color: rgba(255, 255, 255, 0.62);
            margin-top: 10px;
            max-width: 300px;
        }
        .footer-brand .footer-logo {
            font-size: 20px;
            font-weight: 800;
            color: #fff;
            display: inline-flex;
            align-items: center;
            gap: 8px;
        }
        .footer-col h3 {
            font-size: 14px;
            font-weight: 700;
            color: #fff;
            margin-bottom: 14px;
        }
        .footer-col ul {
            list-style: none;
            display: flex;
            flex-direction: column;
            gap: 8px;
        }
        .footer-col ul a {
            color: rgba(255, 255, 255, 0.62);
            font-size: 13px;
            transition: color var(--transition);
            text-decoration: none;
        }
        .footer-col ul a:hover {
            color: #fff;
        }
        .footer-bottom {
            border-top: 1px solid rgba(255, 255, 255, 0.10);
            padding-top: 20px;
            display: flex;
            flex-wrap: wrap;
            align-items: center;
            justify-content: space-between;
            gap: 12px;
            font-size: 12px;
            color: rgba(255, 255, 255, 0.52);
        }
        .footer-bottom a {
            color: rgba(255, 255, 255, 0.62);
            text-decoration: none;
        }
        .footer-bottom a:hover {
            color: #fff;
        }
        .footer-legal {
            display: flex;
            flex-wrap: wrap;
            gap: 12px;
            align-items: center;
        }
        @media (max-width: 1023px) {
            .footer-grid {
                grid-template-columns: 1fr 1fr;
                gap: 24px;
            }
        }
        @media (max-width: 767px) {
            .footer-grid {
                grid-template-columns: 1fr;
                gap: 20px;
            }
            .footer-bottom {
                flex-direction: column;
                text-align: center;
            }
            .footer-legal {
                justify-content: center;
            }
        }

        /* Misc */
        .mt-0 {
            margin-top: 0;
        }
        .mb-0 {
            margin-bottom: 0;
        }
        .sr-only {
            position: absolute;
            width: 1px;
            height: 1px;
            padding: 0;
            margin: -1px;
            overflow: hidden;
            clip: rect(0, 0, 0, 0);
            white-space: nowrap;
            border: 0;
        }
        .text-center {
            text-align: center;
        }

/* roulang page: category1 */
:root {
            --primary: #2F7BEA;
            --primary-strong: #1F67D0;
            --primary-soft: rgba(47, 123, 234, 0.10);
            --cyan: #25C9E0;
            --cyan-soft: rgba(37, 201, 224, 0.12);
            --orange: #FF6B35;
            --orange-soft: rgba(255, 107, 53, 0.12);
            --text-main: #1A2233;
            --text-sub: #5C6B80;
            --text-mute: #8A96A8;
            --bg-page: #F5F7FB;
            --bg-white: #FFFFFF;
            --bg-footer: #1B2434;
            --border-light: rgba(0, 0, 0, 0.04);
            --border-input: #D6DFEC;
            --shadow-card: 0 12px 32px rgba(0, 0, 0, 0.06);
            --shadow-card-hover: 0 20px 44px rgba(0, 0, 0, 0.10);
            --radius-sm: 10px;
            --radius-md: 14px;
            --radius-lg: 16px;
            --radius-xl: 20px;
            --font-sans: "PingFang SC", "Hiragino Sans GB", "Source Han Sans SC", "Microsoft YaHei", "Noto Sans CJK SC", -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, Helvetica, Arial, sans-serif;
            --transition: 0.25s cubic-bezier(0.22, 0.61, 0.36, 1);
            --container-max: 1200px;
            --header-height: 64px;
            --drawer-width: 400px;
        }

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

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

        body {
            font-family: var(--font-sans);
            font-size: 16px;
            line-height: 1.7;
            color: var(--text-main);
            background-color: var(--bg-page);
            min-height: 100vh;
            display: flex;
            flex-direction: column;
            overflow-x: hidden;
        }

        img {
            max-width: 100%;
            height: auto;
            display: block;
            border: 0;
        }

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

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

        a:focus-visible {
            outline: 3px solid rgba(47, 123, 234, 0.35);
            outline-offset: 2px;
            border-radius: 4px;
        }

        button,
        input,
        textarea,
        select {
            font: inherit;
            color: inherit;
        }

        button {
            cursor: pointer;
            border: none;
            background: none;
            -webkit-tap-highlight-color: transparent;
        }

        button:focus-visible,
        input:focus-visible,
        textarea:focus-visible,
        select:focus-visible {
            outline: 3px solid rgba(47, 123, 234, 0.35);
            outline-offset: 2px;
        }

        ul,
        ol {
            list-style: none;
        }

        .container {
            max-width: var(--container-max);
            margin: 0 auto;
            padding-left: 32px;
            padding-right: 32px;
        }

        /* Header */
        .site-header {
            position: sticky;
            top: 0;
            z-index: 1000;
            height: var(--header-height);
            background: rgba(255, 255, 255, 0.92);
            backdrop-filter: saturate(1.4) blur(16px);
            -webkit-backdrop-filter: saturate(1.4) blur(16px);
            border-bottom: 1px solid var(--border-light);
            display: flex;
            align-items: center;
            justify-content: space-between;
            padding: 0 32px;
            transition: box-shadow var(--transition), border-color var(--transition);
        }

        .site-header.scrolled {
            box-shadow: 0 6px 24px rgba(0, 0, 0, 0.06);
            border-bottom-color: rgba(0, 0, 0, 0.06);
        }

        .header-left {
            display: flex;
            align-items: center;
            gap: 12px;
        }

        .logo {
            display: flex;
            align-items: center;
            gap: 10px;
            font-weight: 800;
            font-size: 21px;
            color: var(--text-main);
            letter-spacing: 0.02em;
            text-decoration: none;
            transition: opacity var(--transition);
        }

        .logo:hover {
            opacity: 0.82;
            color: var(--text-main);
        }

        .logo-mark {
            width: 36px;
            height: 36px;
            border-radius: 10px;
            background: linear-gradient(135deg, var(--primary), var(--cyan));
            display: inline-flex;
            align-items: center;
            justify-content: center;
            color: #fff;
            font-weight: 900;
            font-size: 18px;
            flex-shrink: 0;
            box-shadow: 0 4px 12px rgba(47, 123, 234, 0.28);
        }

        .header-right {
            display: flex;
            align-items: center;
            gap: 12px;
        }

        .btn-hamburger {
            width: 42px;
            height: 42px;
            border-radius: 12px;
            border: 1px solid var(--border-input);
            background: var(--bg-white);
            display: inline-flex;
            flex-direction: column;
            align-items: center;
            justify-content: center;
            gap: 4.5px;
            transition: border-color var(--transition), background var(--transition), transform var(--transition);
            position: relative;
            z-index: 1201;
        }

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

        .btn-hamburger:active {
            transform: translateY(0);
            background: rgba(47, 123, 234, 0.18);
        }

        .btn-hamburger span {
            display: block;
            width: 18px;
            height: 1.8px;
            background: var(--text-main);
            border-radius: 3px;
            transition: all var(--transition);
        }

        .header-cta {
            display: inline-flex;
            align-items: center;
            justify-content: center;
            gap: 8px;
            padding: 10px 18px;
            background: var(--primary);
            color: #fff;
            font-weight: 700;
            font-size: 14px;
            border-radius: var(--radius-sm);
            text-decoration: none;
            transition: background var(--transition), transform var(--transition), box-shadow var(--transition);
            white-space: nowrap;
        }

        .header-cta:hover {
            background: var(--primary-strong);
            color: #fff;
            transform: translateY(-1px);
            box-shadow: 0 8px 18px rgba(47, 123, 234, 0.25);
        }

        .header-cta:active {
            transform: translateY(0);
        }

        /* Drawer Navigation */
        .drawer-overlay {
            position: fixed;
            inset: 0;
            background: rgba(15, 23, 42, 0.55);
            z-index: 1100;
            opacity: 0;
            visibility: hidden;
            transition: opacity 0.3s ease, visibility 0.3s ease;
        }

        .drawer-overlay.open {
            opacity: 1;
            visibility: visible;
        }

        .drawer {
            position: fixed;
            top: 0;
            right: 0;
            bottom: 0;
            width: var(--drawer-width);
            max-width: 100%;
            background: var(--bg-white);
            z-index: 1150;
            transform: translateX(100%);
            transition: transform 0.3s ease;
            display: flex;
            flex-direction: column;
            padding: 24px 28px 32px;
            box-shadow: -12px 0 40px rgba(0, 0, 0, 0.12);
            overflow-y: auto;
        }

        .drawer.open {
            transform: translateX(0);
        }

        .drawer-top {
            display: flex;
            align-items: center;
            justify-content: space-between;
            margin-bottom: 28px;
        }

        .drawer-logo {
            display: flex;
            align-items: center;
            gap: 10px;
            font-weight: 800;
            font-size: 19px;
            color: var(--text-main);
        }

        .drawer-close {
            width: 36px;
            height: 36px;
            border-radius: 10px;
            border: 1px solid var(--border-input);
            background: var(--bg-white);
            display: inline-flex;
            align-items: center;
            justify-content: center;
            font-size: 18px;
            color: var(--text-sub);
            transition: border-color var(--transition), background var(--transition), color var(--transition);
        }

        .drawer-close:hover {
            border-color: var(--primary);
            background: var(--primary-soft);
            color: var(--primary);
        }

        .drawer-nav {
            display: flex;
            flex-direction: column;
            gap: 6px;
            flex: 1;
        }

        .drawer-nav-item {
            display: flex;
            align-items: baseline;
            justify-content: space-between;
            padding: 14px 16px;
            border-radius: var(--radius-md);
            font-size: 17px;
            font-weight: 600;
            color: var(--text-main);
            text-decoration: none;
            transition: background var(--transition), color var(--transition);
        }

        .drawer-nav-item small {
            font-size: 13px;
            font-weight: 400;
            color: var(--text-mute);
            letter-spacing: 0.04em;
            transition: color var(--transition);
        }

        .drawer-nav-item:hover {
            background: var(--primary-soft);
            color: var(--primary);
        }

        .drawer-nav-item:hover small {
            color: var(--primary);
        }

        .drawer-nav-item.active {
            background: var(--primary-soft);
            color: var(--primary);
            font-weight: 700;
        }

        .drawer-nav-item.active small {
            color: var(--primary);
        }

        .drawer-cta {
            margin-top: auto;
            display: flex;
            align-items: center;
            justify-content: center;
            gap: 8px;
            padding: 14px 20px;
            background: var(--primary);
            color: #fff;
            font-weight: 700;
            font-size: 15px;
            border-radius: var(--radius-md);
            text-decoration: none;
            transition: background var(--transition), transform var(--transition);
        }

        .drawer-cta:hover {
            background: var(--primary-strong);
            color: #fff;
            transform: translateY(-1px);
        }

        /* Breadcrumb */
        .breadcrumb {
            display: flex;
            align-items: center;
            gap: 8px;
            font-size: 14px;
            color: var(--text-mute);
            padding: 20px 0 8px;
            flex-wrap: wrap;
        }

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

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

        .breadcrumb .sep {
            color: var(--text-mute);
            font-size: 12px;
        }

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

        /* Compact Hero */
        .compact-hero {
            position: relative;
            background: var(--bg-white);
            border-radius: var(--radius-xl);
            padding: 40px 40px 32px;
            margin-top: 16px;
            box-shadow: var(--shadow-card);
            overflow: hidden;
            border: 1px solid var(--border-light);
        }

        .compact-hero::after {
            content: '';
            position: absolute;
            top: 0;
            right: 0;
            width: 340px;
            height: 340px;
            background: radial-gradient(circle at top right, rgba(37, 201, 224, 0.08), transparent 65%);
            pointer-events: none;
            border-radius: 50%;
        }

        .compact-hero-inner {
            position: relative;
            z-index: 1;
            display: flex;
            align-items: center;
            gap: 32px;
            flex-wrap: wrap;
        }

        .compact-hero-text {
            flex: 1;
            min-width: 260px;
        }

        .compact-hero-text h1 {
            font-size: 36px;
            font-weight: 800;
            line-height: 1.3;
            color: var(--text-main);
            letter-spacing: 0.01em;
            margin-bottom: 14px;
        }

        .compact-hero-text p {
            font-size: 16px;
            color: var(--text-sub);
            line-height: 1.8;
            max-width: 620px;
        }

        .compact-hero-tag {
            display: inline-flex;
            align-items: center;
            gap: 6px;
            padding: 6px 14px;
            background: var(--cyan-soft);
            color: #0A9FAD;
            font-size: 13px;
            font-weight: 600;
            border-radius: 20px;
            margin-bottom: 16px;
        }

        .compact-hero-visual {
            flex-shrink: 0;
            width: 280px;
            height: 180px;
            border-radius: var(--radius-lg);
            overflow: hidden;
            background: var(--primary-soft);
            display: flex;
            align-items: center;
            justify-content: center;
            box-shadow: 0 8px 24px rgba(0, 0, 0, 0.06);
        }

        .compact-hero-visual img {
            width: 100%;
            height: 100%;
            object-fit: cover;
        }

        /* Stats Band */
        .stats-band {
            display: grid;
            grid-template-columns: repeat(4, 1fr);
            gap: 20px;
            margin-top: 24px;
        }

        .stat-card {
            background: var(--bg-white);
            border-radius: var(--radius-lg);
            padding: 22px 24px;
            border: 1px solid var(--border-light);
            box-shadow: var(--shadow-card);
            transition: transform var(--transition), box-shadow var(--transition);
        }

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

        .stat-value {
            font-size: 32px;
            font-weight: 800;
            color: var(--primary);
            line-height: 1.2;
            letter-spacing: -0.01em;
        }

        .stat-value .unit {
            font-size: 16px;
            font-weight: 600;
            color: var(--text-mute);
            margin-left: 2px;
        }

        .stat-label {
            font-size: 14px;
            color: var(--text-sub);
            margin-top: 6px;
        }

        /* Section Common */
        .section {
            padding: 48px 0 20px;
        }

        .section-header {
            display: flex;
            align-items: flex-end;
            justify-content: space-between;
            gap: 16px;
            margin-bottom: 24px;
            flex-wrap: wrap;
        }

        .section-header h2 {
            font-size: 26px;
            font-weight: 800;
            color: var(--text-main);
            letter-spacing: 0.01em;
            line-height: 1.35;
        }

        .section-header .sub {
            font-size: 15px;
            color: var(--text-sub);
            margin-top: 4px;
        }

        .section-header .link-more {
            font-size: 14px;
            font-weight: 600;
            color: var(--primary);
            display: inline-flex;
            align-items: center;
            gap: 6px;
            transition: gap var(--transition), color var(--transition);
            white-space: nowrap;
        }

        .section-header .link-more:hover {
            color: var(--primary-strong);
            gap: 10px;
        }

        /* Focus Cards */
        .focus-grid {
            display: grid;
            grid-template-columns: repeat(3, 1fr);
            gap: 20px;
        }

        .focus-card {
            background: var(--bg-white);
            border-radius: var(--radius-lg);
            overflow: hidden;
            border: 1px solid var(--border-light);
            box-shadow: var(--shadow-card);
            transition: transform var(--transition), box-shadow var(--transition);
        }

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

        .focus-card-img {
            width: 100%;
            height: 170px;
            object-fit: cover;
        }

        .focus-card-body {
            padding: 18px 20px 20px;
        }

        .focus-card-tag {
            display: inline-block;
            padding: 4px 10px;
            background: var(--cyan-soft);
            color: #0A9FAD;
            font-size: 12px;
            font-weight: 600;
            border-radius: 6px;
            margin-bottom: 10px;
        }

        .focus-card-title {
            font-size: 17px;
            font-weight: 700;
            color: var(--text-main);
            line-height: 1.5;
            margin-bottom: 6px;
        }

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

        /* Match List */
        .match-list {
            display: flex;
            flex-direction: column;
            gap: 16px;
        }

        .match-item {
            display: flex;
            align-items: center;
            gap: 20px;
            background: var(--bg-white);
            border-radius: var(--radius-lg);
            padding: 16px 20px;
            border: 1px solid var(--border-light);
            box-shadow: var(--shadow-card);
            transition: transform var(--transition), box-shadow var(--transition);
            flex-wrap: wrap;
        }

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

        .match-item-img {
            flex-shrink: 0;
            width: 120px;
            height: 80px;
            border-radius: var(--radius-md);
            object-fit: cover;
            background: var(--primary-soft);
        }

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

        .match-item-tags {
            display: flex;
            align-items: center;
            gap: 8px;
            margin-bottom: 6px;
            flex-wrap: wrap;
        }

        .match-tag {
            display: inline-block;
            padding: 3px 8px;
            background: var(--primary-soft);
            color: var(--primary);
            font-size: 12px;
            font-weight: 600;
            border-radius: 5px;
        }

        .match-tag.hot {
            background: var(--orange-soft);
            color: var(--orange);
        }

        .match-tag.cyan {
            background: var(--cyan-soft);
            color: #0A9FAD;
        }

        .match-item-title {
            font-size: 17px;
            font-weight: 700;
            color: var(--text-main);
            line-height: 1.5;
            margin-bottom: 4px;
        }

        .match-item-summary {
            font-size: 14px;
            color: var(--text-sub);
            line-height: 1.7;
        }

        .match-item-meta {
            flex-shrink: 0;
            display: flex;
            flex-direction: column;
            align-items: flex-end;
            gap: 6px;
            min-width: 100px;
        }

        .match-score {
            font-size: 22px;
            font-weight: 800;
            color: var(--orange);
            line-height: 1.2;
        }

        .match-score .label {
            font-size: 12px;
            font-weight: 500;
            color: var(--text-mute);
        }

        .match-date {
            font-size: 13px;
            color: var(--text-mute);
        }

        /* Timeline */
        .timeline {
            position: relative;
            display: flex;
            flex-direction: column;
            gap: 0;
            padding-left: 24px;
        }

        .timeline::before {
            content: '';
            position: absolute;
            left: 8px;
            top: 8px;
            bottom: 8px;
            width: 2px;
            background: var(--border-input);
            border-radius: 2px;
        }

        .timeline-item {
            position: relative;
            padding: 0 0 24px 20px;
        }

        .timeline-item:last-child {
            padding-bottom: 0;
        }

        .timeline-item::before {
            content: '';
            position: absolute;
            left: -22px;
            top: 6px;
            width: 12px;
            height: 12px;
            border-radius: 50%;
            background: var(--primary);
            border: 3px solid #fff;
            box-shadow: 0 0 0 3px var(--primary-soft);
        }

        .timeline-item .timeline-date {
            font-size: 13px;
            font-weight: 600;
            color: var(--primary);
            margin-bottom: 4px;
        }

        .timeline-item .timeline-title {
            font-size: 16px;
            font-weight: 700;
            color: var(--text-main);
            line-height: 1.5;
            margin-bottom: 2px;
        }

        .timeline-item .timeline-desc {
            font-size: 14px;
            color: var(--text-sub);
            line-height: 1.7;
        }

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

        /* Topic Grid */
        .topic-grid {
            display: grid;
            grid-template-columns: repeat(4, 1fr);
            gap: 16px;
        }

        .topic-card {
            display: flex;
            align-items: center;
            gap: 14px;
            background: var(--bg-white);
            border-radius: var(--radius-lg);
            padding: 20px;
            border: 1px solid var(--border-light);
            box-shadow: var(--shadow-card);
            text-decoration: none;
            transition: transform var(--transition), box-shadow var(--transition);
        }

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

        .topic-icon {
            width: 46px;
            height: 46px;
            border-radius: 12px;
            background: var(--primary-soft);
            display: flex;
            align-items: center;
            justify-content: center;
            font-size: 20px;
            flex-shrink: 0;
            color: var(--primary);
        }

        .topic-card:hover .topic-icon {
            background: var(--primary);
            color: #fff;
        }

        .topic-card h3 {
            font-size: 16px;
            font-weight: 700;
            color: var(--text-main);
            line-height: 1.4;
            margin-bottom: 2px;
        }

        .topic-card p {
            font-size: 13px;
            color: var(--text-sub);
            line-height: 1.5;
        }

        /* Analysis Panel */
        .analysis-panel {
            background: var(--bg-white);
            border-radius: var(--radius-xl);
            padding: 32px 36px;
            border: 1px solid var(--border-light);
            box-shadow: var(--shadow-card);
        }

        .analysis-panel h2 {
            font-size: 24px;
            font-weight: 800;
            color: var(--text-main);
            margin-bottom: 18px;
        }

        .analysis-grid {
            display: grid;
            grid-template-columns: repeat(2, 1fr);
            gap: 20px;
        }

        .analysis-block {
            background: var(--bg-page);
            border-radius: var(--radius-md);
            padding: 20px;
            border: 1px solid var(--border-light);
        }

        .analysis-block h3 {
            font-size: 17px;
            font-weight: 700;
            color: var(--text-main);
            margin-bottom: 8px;
        }

        .analysis-block p {
            font-size: 14px;
            color: var(--text-sub);
            line-height: 1.8;
        }

        .analysis-highlight {
            display: inline-block;
            margin-top: 10px;
            padding: 6px 12px;
            background: var(--orange-soft);
            color: var(--orange);
            font-size: 13px;
            font-weight: 600;
            border-radius: 6px;
        }

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

        .faq-item {
            background: var(--bg-white);
            border-radius: var(--radius-md);
            border: 1px solid var(--border-light);
            box-shadow: 0 4px 16px rgba(0, 0, 0, 0.04);
            overflow: hidden;
            transition: border-color var(--transition), box-shadow var(--transition);
        }

        .faq-item.active {
            border-color: rgba(47, 123, 234, 0.3);
            box-shadow: var(--shadow-card);
        }

        .faq-question {
            width: 100%;
            display: flex;
            align-items: center;
            justify-content: space-between;
            gap: 16px;
            padding: 18px 20px;
            text-align: left;
            font-size: 16px;
            font-weight: 700;
            color: var(--text-main);
            transition: color var(--transition);
        }

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

        .faq-icon {
            flex-shrink: 0;
            width: 28px;
            height: 28px;
            border-radius: 8px;
            background: var(--primary-soft);
            color: var(--primary);
            display: inline-flex;
            align-items: center;
            justify-content: center;
            font-size: 18px;
            font-weight: 600;
            transition: transform var(--transition), background var(--transition), color var(--transition);
        }

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

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

        .faq-item.active .faq-answer {
            max-height: 300px;
        }

        .faq-answer-inner {
            padding: 0 20px 20px;
            font-size: 15px;
            color: var(--text-sub);
            line-height: 1.8;
        }

        /* CTA */
        .cta-section {
            padding: 40px 0 48px;
        }

        .cta-panel {
            background: var(--bg-white);
            border-radius: var(--radius-xl);
            padding: 40px 44px;
            border: 1px solid var(--border-light);
            box-shadow: var(--shadow-card);
            display: flex;
            align-items: center;
            gap: 40px;
            flex-wrap: wrap;
        }

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

        .cta-text h2 {
            font-size: 26px;
            font-weight: 800;
            color: var(--text-main);
            margin-bottom: 10px;
        }

        .cta-text p {
            font-size: 15px;
            color: var(--text-sub);
            line-height: 1.8;
        }

        .cta-form {
            flex: 1;
            min-width: 280px;
            display: flex;
            gap: 12px;
            flex-wrap: wrap;
        }

        .cta-form input {
            flex: 1;
            min-width: 180px;
            padding: 12px 16px;
            border: 1px solid var(--border-input);
            border-radius: var(--radius-sm);
            font-size: 15px;
            background: var(--bg-page);
            transition: border-color var(--transition), box-shadow var(--transition);
        }

        .cta-form input:focus {
            border-color: var(--primary);
            box-shadow: 0 0 0 3px rgba(47, 123, 234, 0.15);
            outline: none;
        }

        .btn-primary {
            display: inline-flex;
            align-items: center;
            justify-content: center;
            gap: 8px;
            padding: 12px 24px;
            background: var(--primary);
            color: #fff;
            font-weight: 700;
            font-size: 15px;
            border-radius: var(--radius-sm);
            transition: background var(--transition), transform var(--transition), box-shadow var(--transition);
            white-space: nowrap;
        }

        .btn-primary:hover {
            background: var(--primary-strong);
            color: #fff;
            transform: translateY(-1px);
            box-shadow: 0 8px 18px rgba(47, 123, 234, 0.25);
        }

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

        .btn-secondary {
            display: inline-flex;
            align-items: center;
            justify-content: center;
            gap: 8px;
            padding: 12px 24px;
            border: 1.5px solid var(--primary);
            color: var(--primary);
            font-weight: 700;
            font-size: 15px;
            border-radius: var(--radius-sm);
            transition: background var(--transition), color var(--transition), transform var(--transition);
            white-space: nowrap;
        }

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

        /* Footer */
        .site-footer {
            background: var(--bg-footer);
            color: rgba(255, 255, 255, 0.72);
            padding: 52px 0 28px;
            margin-top: auto;
        }

        .footer-grid {
            display: grid;
            grid-template-columns: 2fr 1fr 1fr 1fr;
            gap: 32px;
            margin-bottom: 36px;
        }

        .footer-brand p {
            font-size: 14px;
            line-height: 1.8;
            color: rgba(255, 255, 255, 0.62);
            margin-top: 14px;
            max-width: 320px;
        }

        .footer-logo {
            display: flex;
            align-items: center;
            gap: 10px;
            font-weight: 800;
            font-size: 19px;
            color: #fff;
        }

        .footer-col h3 {
            font-size: 15px;
            font-weight: 700;
            color: #fff;
            margin-bottom: 16px;
        }

        .footer-col ul {
            display: flex;
            flex-direction: column;
            gap: 10px;
        }

        .footer-col a {
            color: rgba(255, 255, 255, 0.62);
            font-size: 14px;
            transition: color var(--transition);
        }

        .footer-col a:hover {
            color: #fff;
        }

        .footer-bottom {
            border-top: 1px solid rgba(255, 255, 255, 0.12);
            padding-top: 20px;
            display: flex;
            align-items: center;
            justify-content: space-between;
            gap: 16px;
            flex-wrap: wrap;
            font-size: 13px;
            color: rgba(255, 255, 255, 0.55);
        }

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

        .footer-legal a {
            color: rgba(255, 255, 255, 0.62);
        }

        .footer-legal a:hover {
            color: #fff;
        }

        /* Responsive */
        @media (max-width: 1024px) {
            .container {
                padding-left: 20px;
                padding-right: 20px;
            }

            .site-header {
                padding: 0 20px;
            }

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

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

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

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

            .footer-grid {
                grid-template-columns: 2fr 1fr 1fr;
            }
        }

        @media (max-width: 768px) {
            .container {
                padding-left: 16px;
                padding-right: 16px;
            }

            .site-header {
                padding: 0 16px;
            }

            .header-cta {
                padding: 8px 14px;
                font-size: 13px;
            }

            .drawer {
                width: 100%;
                max-width: 100%;
            }

            .compact-hero {
                padding: 28px 22px 24px;
            }

            .compact-hero-inner {
                flex-direction: column;
                align-items: flex-start;
                gap: 20px;
            }

            .compact-hero-visual {
                width: 100%;
                height: 160px;
            }

            .compact-hero-text h1 {
                font-size: 28px;
            }

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

            .stat-card {
                padding: 16px 18px;
            }

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

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

            .match-item {
                flex-direction: column;
                align-items: flex-start;
            }

            .match-item-img {
                width: 100%;
                height: 160px;
            }

            .match-item-meta {
                flex-direction: row;
                align-items: center;
                gap: 12px;
                min-width: auto;
            }

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

            .cta-panel {
                padding: 28px 24px;
                flex-direction: column;
                align-items: flex-start;
                gap: 24px;
            }

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

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

            .footer-grid {
                grid-template-columns: 1fr;
                gap: 24px;
            }

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

            .breadcrumb {
                font-size: 13px;
                padding: 14px 0 6px;
            }
        }

        @media (max-width: 520px) {
            .stats-band {
                grid-template-columns: 1fr;
            }

            .section-header {
                flex-direction: column;
                align-items: flex-start;
                gap: 10px;
            }

            .section-header h2 {
                font-size: 22px;
            }

            .match-score {
                font-size: 20px;
            }

            .analysis-panel {
                padding: 24px 20px;
            }

            .timeline-panel {
                padding: 20px 16px;
            }
        }

/* roulang page: category2 */
:root {
            --primary: #2F7BEA;
            --primary-strong: #1F67D0;
            --primary-soft: rgba(47, 123, 234, 0.10);
            --cyan: #25C9E0;
            --cyan-soft: rgba(37, 201, 224, 0.12);
            --orange: #FF6B35;
            --orange-soft: rgba(255, 107, 53, 0.12);
            --text-main: #1A2233;
            --text-sub: #5C6B80;
            --text-mute: #8A96A8;
            --bg-page: #F5F7FB;
            --bg-white: #FFFFFF;
            --bg-footer: #1B2434;
            --border-light: rgba(0, 0, 0, 0.04);
            --border-input: #D6DFEC;
            --shadow-card: 0 12px 32px rgba(0, 0, 0, 0.06);
            --shadow-card-hover: 0 20px 44px rgba(0, 0, 0, 0.10);
            --radius-sm: 10px;
            --radius-md: 14px;
            --radius-lg: 16px;
            --radius-xl: 20px;
            --font-sans: "PingFang SC", "Hiragino Sans GB", "Source Han Sans SC", "Microsoft YaHei", "Noto Sans CJK SC", -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, Helvetica, Arial, sans-serif;
            --transition: 0.25s cubic-bezier(0.22, 0.61, 0.36, 1);
            --container-max: 1200px;
            --header-height: 64px;
            --drawer-width: 400px;
        }

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

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

        body {
            font-family: var(--font-sans);
            font-size: 16px;
            line-height: 1.7;
            color: var(--text-main);
            background-color: var(--bg-page);
            min-height: 100vh;
            display: flex;
            flex-direction: column;
        }

        img {
            max-width: 100%;
            height: auto;
            display: block;
            border: 0;
        }

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

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

        a:focus-visible {
            outline: 3px solid rgba(47, 123, 234, 0.35);
            outline-offset: 2px;
            border-radius: 4px;
        }

        button,
        input,
        textarea,
        select {
            font: inherit;
            color: inherit;
        }

        button {
            cursor: pointer;
            border: none;
            background: none;
            -webkit-tap-highlight-color: transparent;
        }

        button:focus-visible,
        input:focus-visible,
        textarea:focus-visible,
        select:focus-visible {
            outline: 3px solid rgba(47, 123, 234, 0.35);
            outline-offset: 2px;
        }

        .container {
            max-width: var(--container-max);
            margin: 0 auto;
            padding-left: 32px;
            padding-right: 32px;
        }

        /* Header & Navigation */
        .site-header {
            position: sticky;
            top: 0;
            z-index: 1000;
            height: var(--header-height);
            background: rgba(255, 255, 255, 0.92);
            backdrop-filter: saturate(1.4) blur(16px);
            -webkit-backdrop-filter: saturate(1.4) blur(16px);
            border-bottom: 1px solid var(--border-light);
            display: flex;
            align-items: center;
            justify-content: space-between;
            padding: 0 32px;
            transition: box-shadow var(--transition), border-color var(--transition);
        }

        .site-header.scrolled {
            box-shadow: 0 6px 24px rgba(0, 0, 0, 0.06);
            border-bottom-color: rgba(0, 0, 0, 0.06);
        }

        .header-left {
            display: flex;
            align-items: center;
            gap: 12px;
        }

        .logo {
            display: flex;
            align-items: center;
            gap: 10px;
            font-weight: 800;
            font-size: 21px;
            color: var(--text-main);
            letter-spacing: 0.02em;
            text-decoration: none;
            transition: opacity var(--transition);
        }

        .logo:hover {
            opacity: 0.82;
            color: var(--text-main);
        }

        .logo-mark {
            width: 36px;
            height: 36px;
            border-radius: 10px;
            background: linear-gradient(135deg, var(--primary), var(--cyan));
            display: inline-flex;
            align-items: center;
            justify-content: center;
            color: #fff;
            font-weight: 900;
            font-size: 18px;
            flex-shrink: 0;
            box-shadow: 0 4px 12px rgba(47, 123, 234, 0.28);
        }

        .header-right {
            display: flex;
            align-items: center;
            gap: 12px;
        }

        .btn-hamburger {
            width: 42px;
            height: 42px;
            border-radius: 12px;
            border: 1px solid var(--border-input);
            background: var(--bg-white);
            display: inline-flex;
            flex-direction: column;
            align-items: center;
            justify-content: center;
            gap: 4.5px;
            transition: border-color var(--transition), background var(--transition), transform var(--transition);
            position: relative;
            z-index: 1201;
        }

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

        .btn-hamburger:active {
            transform: translateY(0);
            background: rgba(47, 123, 234, 0.18);
        }

        .btn-hamburger span {
            display: block;
            width: 18px;
            height: 1.8px;
            background: var(--text-main);
            border-radius: 3px;
            transition: all var(--transition);
        }

        .header-cta {
            display: inline-flex;
            align-items: center;
            gap: 6px;
            padding: 0 18px;
            height: 40px;
            border-radius: var(--radius-sm);
            background: var(--primary);
            color: #fff;
            font-weight: 600;
            font-size: 14px;
            text-decoration: none;
            transition: background var(--transition), transform var(--transition);
            white-space: nowrap;
        }

        .header-cta:hover {
            background: var(--primary-strong);
            color: #fff;
            transform: translateY(-1px);
        }

        .header-cta:active {
            transform: translateY(0);
        }

        /* Drawer */
        .drawer-overlay {
            position: fixed;
            inset: 0;
            background: rgba(15, 23, 42, 0.55);
            z-index: 1100;
            opacity: 0;
            visibility: hidden;
            transition: opacity 0.3s ease, visibility 0.3s ease;
        }

        .drawer-overlay.active {
            opacity: 1;
            visibility: visible;
        }

        .drawer-panel {
            position: fixed;
            top: 0;
            right: 0;
            bottom: 0;
            width: var(--drawer-width);
            max-width: 100%;
            background: #ffffff;
            z-index: 1150;
            transform: translateX(100%);
            transition: transform 0.3s ease;
            display: flex;
            flex-direction: column;
            box-shadow: -12px 0 40px rgba(0, 0, 0, 0.12);
        }

        .drawer-panel.active {
            transform: translateX(0);
        }

        .drawer-header {
            display: flex;
            align-items: center;
            justify-content: space-between;
            padding: 18px 24px;
            border-bottom: 1px solid var(--border-light);
            flex-shrink: 0;
        }

        .drawer-title {
            font-weight: 700;
            font-size: 18px;
            color: var(--text-main);
        }

        .drawer-close {
            width: 36px;
            height: 36px;
            border-radius: 10px;
            border: 1px solid var(--border-input);
            background: transparent;
            display: inline-flex;
            align-items: center;
            justify-content: center;
            font-size: 20px;
            color: var(--text-sub);
            transition: all var(--transition);
            line-height: 1;
        }

        .drawer-close:hover {
            border-color: var(--orange);
            background: var(--orange-soft);
            color: var(--orange);
        }

        .drawer-nav {
            flex: 1;
            overflow-y: auto;
            padding: 20px 24px;
            display: flex;
            flex-direction: column;
            gap: 4px;
        }

        .drawer-nav-item {
            display: flex;
            align-items: baseline;
            gap: 10px;
            padding: 12px 16px;
            border-radius: var(--radius-sm);
            font-size: 17px;
            font-weight: 600;
            color: var(--text-main);
            text-decoration: none;
            transition: all var(--transition);
            line-height: 1.4;
        }

        .drawer-nav-item small {
            font-size: 12px;
            font-weight: 400;
            color: var(--text-mute);
            letter-spacing: 0.04em;
            margin-left: 2px;
        }

        .drawer-nav-item:hover {
            background: var(--primary-soft);
            color: var(--primary);
        }

        .drawer-nav-item.active {
            background: var(--primary-soft);
            color: var(--primary);
        }

        .drawer-nav-item.active small {
            color: var(--primary);
        }

        .drawer-footer {
            padding: 20px 24px;
            border-top: 1px solid var(--border-light);
            flex-shrink: 0;
        }

        .btn {
            display: inline-flex;
            align-items: center;
            justify-content: center;
            gap: 8px;
            height: 44px;
            padding: 0 22px;
            border-radius: var(--radius-sm);
            font-weight: 600;
            font-size: 15px;
            text-decoration: none;
            transition: all var(--transition);
            cursor: pointer;
            white-space: nowrap;
            line-height: 1;
        }

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

        .btn-primary:hover {
            background: var(--primary-strong);
            border-color: var(--primary-strong);
            color: #fff;
            transform: translateY(-1px);
            box-shadow: 0 8px 20px rgba(47, 123, 234, 0.22);
        }

        .btn-primary:active {
            transform: translateY(0);
            box-shadow: none;
        }

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

        .btn-outline:hover {
            background: var(--primary-soft);
            color: var(--primary-strong);
            transform: translateY(-1px);
        }

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

        .btn-block {
            width: 100%;
        }

        .btn-sm {
            height: 36px;
            padding: 0 16px;
            font-size: 13px;
            border-radius: 8px;
        }

        /* Breadcrumb */
        .breadcrumb {
            display: flex;
            align-items: center;
            gap: 8px;
            font-size: 14px;
            color: var(--text-mute);
            margin-bottom: 12px;
            flex-wrap: wrap;
        }

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

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

        .breadcrumb .sep {
            color: var(--text-mute);
            font-size: 12px;
        }

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

        /* Category Compact Hero */
        .cat-hero {
            background: linear-gradient(135deg, #EAF2FE 0%, #F5F7FB 70%, #E8F7FA 100%);
            padding: 32px 0 24px;
            border-bottom: 1px solid var(--border-light);
            position: relative;
            overflow: hidden;
        }

        .cat-hero::after {
            content: "";
            position: absolute;
            top: -60px;
            right: -40px;
            width: 260px;
            height: 260px;
            border-radius: 50%;
            background: var(--cyan-soft);
            pointer-events: none;
        }

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

        .cat-hero-content {
            display: flex;
            align-items: center;
            gap: 24px;
            flex-wrap: wrap;
        }

        .cat-hero-text {
            flex: 1;
            min-width: 0;
        }

        .cat-hero h1 {
            font-size: 32px;
            font-weight: 800;
            color: var(--text-main);
            line-height: 1.3;
            letter-spacing: 0.02em;
            margin-bottom: 8px;
        }

        .cat-hero-desc {
            font-size: 15px;
            color: var(--text-sub);
            max-width: 640px;
            line-height: 1.8;
            margin-bottom: 0;
        }

        .cat-hero-badge {
            display: inline-flex;
            align-items: center;
            gap: 6px;
            padding: 6px 14px;
            border-radius: 999px;
            background: var(--orange-soft);
            color: var(--orange);
            font-size: 13px;
            font-weight: 600;
            margin-bottom: 12px;
        }

        /* Section */
        section {
            padding: 48px 0;
        }

        section.alt-bg {
            background: #ffffff;
        }

        .section-heading {
            margin-bottom: 28px;
        }

        .section-heading h2 {
            font-size: 26px;
            font-weight: 800;
            color: var(--text-main);
            letter-spacing: 0.01em;
            line-height: 1.35;
            margin-bottom: 6px;
        }

        .section-heading p {
            font-size: 15px;
            color: var(--text-sub);
            max-width: 600px;
            line-height: 1.8;
        }

        .section-heading.with-action {
            display: flex;
            align-items: flex-end;
            justify-content: space-between;
            gap: 16px;
            flex-wrap: wrap;
        }

        .section-heading.with-action .heading-text {
            flex: 1;
            min-width: 0;
        }

        /* Filter Bar */
        .filter-bar {
            display: flex;
            align-items: center;
            gap: 10px;
            flex-wrap: wrap;
            margin-bottom: 20px;
        }

        .filter-btn {
            height: 38px;
            padding: 0 18px;
            border-radius: 999px;
            border: 1px solid var(--border-input);
            background: var(--bg-white);
            font-size: 14px;
            font-weight: 500;
            color: var(--text-sub);
            transition: all var(--transition);
            white-space: nowrap;
            line-height: 1;
        }

        .filter-btn:hover {
            border-color: var(--primary);
            color: var(--primary);
            background: var(--primary-soft);
        }

        .filter-btn.active {
            border-color: var(--primary);
            background: var(--primary);
            color: #fff;
        }

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

        /* Review Grid */
        .review-grid {
            display: grid;
            grid-template-columns: 1fr 1fr;
            gap: 24px;
        }

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

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

        .review-card-media {
            position: relative;
            aspect-ratio: 16 / 9;
            overflow: hidden;
            background: #eef2f7;
        }

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

        .review-card:hover .review-card-media img {
            transform: scale(1.03);
        }

        .review-card-tag {
            position: absolute;
            top: 12px;
            left: 12px;
            padding: 4px 12px;
            border-radius: 999px;
            background: rgba(255, 255, 255, 0.92);
            color: var(--text-main);
            font-size: 12px;
            font-weight: 600;
            letter-spacing: 0.02em;
            backdrop-filter: blur(6px);
            -webkit-backdrop-filter: blur(6px);
        }

        .review-card-score {
            position: absolute;
            top: 12px;
            right: 12px;
            width: 44px;
            height: 44px;
            border-radius: 12px;
            background: var(--orange);
            color: #fff;
            font-weight: 800;
            font-size: 18px;
            display: flex;
            align-items: center;
            justify-content: center;
            box-shadow: 0 4px 14px rgba(255, 107, 53, 0.35);
            line-height: 1;
        }

        .review-card-body {
            padding: 18px 20px 20px;
            display: flex;
            flex-direction: column;
            gap: 8px;
            flex: 1;
        }

        .review-card-body h3 {
            font-size: 18px;
            font-weight: 700;
            color: var(--text-main);
            line-height: 1.45;
            margin: 0;
        }

        .review-card-body .review-title-link {
            color: var(--text-main);
            text-decoration: none;
            transition: color var(--transition);
        }

        .review-card-body .review-title-link:hover {
            color: var(--primary);
        }

        .review-card-body p {
            font-size: 14px;
            color: var(--text-sub);
            line-height: 1.75;
            margin: 0;
            flex: 1;
        }

        .review-card-meta {
            display: flex;
            align-items: center;
            gap: 12px;
            font-size: 12px;
            color: var(--text-mute);
            padding-top: 10px;
            border-top: 1px solid var(--border-light);
            flex-wrap: wrap;
        }

        .review-card-meta .review-author {
            font-weight: 500;
            color: var(--text-sub);
        }

        .review-card-meta .review-date {
            color: var(--text-mute);
        }

        .review-card-meta .review-link-more {
            margin-left: auto;
            font-weight: 600;
            font-size: 12px;
            color: var(--primary);
            text-decoration: none;
            transition: color var(--transition);
        }

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

        /* Stats Band */
        .stats-band {
            display: grid;
            grid-template-columns: repeat(4, 1fr);
            gap: 20px;
            background: var(--bg-white);
            border-radius: var(--radius-lg);
            border: 1px solid var(--border-light);
            box-shadow: var(--shadow-card);
            padding: 28px 24px;
        }

        .stat-item {
            text-align: center;
            padding: 8px 12px;
        }

        .stat-number {
            font-size: 34px;
            font-weight: 800;
            color: var(--primary);
            line-height: 1.2;
            letter-spacing: -0.02em;
        }

        .stat-number .stat-unit {
            font-size: 16px;
            font-weight: 600;
            color: var(--cyan);
            margin-left: 2px;
        }

        .stat-label {
            font-size: 13px;
            color: var(--text-sub);
            margin-top: 6px;
            line-height: 1.5;
        }

        /* Featured Reviews - horizontal scroll */
        .featured-scroll {
            display: flex;
            gap: 18px;
            overflow-x: auto;
            padding-bottom: 12px;
            scroll-snap-type: x mandatory;
            -webkit-overflow-scrolling: touch;
        }

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

        .featured-scroll::-webkit-scrollbar-track {
            background: var(--border-light);
            border-radius: 3px;
        }

        .featured-scroll::-webkit-scrollbar-thumb {
            background: var(--border-input);
            border-radius: 3px;
        }

        .featured-card {
            flex: 0 0 300px;
            scroll-snap-align: start;
            background: var(--bg-white);
            border-radius: var(--radius-lg);
            border: 1px solid var(--border-light);
            box-shadow: var(--shadow-card);
            overflow: hidden;
            transition: all var(--transition);
        }

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

        .featured-card-media {
            position: relative;
            aspect-ratio: 16 / 9;
            overflow: hidden;
            background: #eef2f7;
        }

        .featured-card-media img {
            width: 100%;
            height: 100%;
            object-fit: cover;
        }

        .featured-card-score-mini {
            position: absolute;
            top: 10px;
            right: 10px;
            width: 36px;
            height: 36px;
            border-radius: 10px;
            background: var(--orange);
            color: #fff;
            font-weight: 700;
            font-size: 15px;
            display: flex;
            align-items: center;
            justify-content: center;
            line-height: 1;
        }

        .featured-card-body {
            padding: 14px 16px 16px;
        }

        .featured-card-body h3 {
            font-size: 16px;
            font-weight: 700;
            color: var(--text-main);
            margin-bottom: 4px;
            line-height: 1.4;
        }

        .featured-card-body .featured-desc {
            font-size: 13px;
            color: var(--text-sub);
            line-height: 1.65;
            margin-bottom: 8px;
            display: -webkit-box;
            -webkit-line-clamp: 2;
            -webkit-box-orient: vertical;
            overflow: hidden;
        }

        .featured-card-body .featured-tag {
            display: inline-block;
            padding: 3px 10px;
            border-radius: 999px;
            background: var(--cyan-soft);
            color: var(--cyan);
            font-size: 11px;
            font-weight: 600;
        }

        /* Channel Entry */
        .channel-grid {
            display: grid;
            grid-template-columns: repeat(4, 1fr);
            gap: 18px;
        }

        .channel-card {
            background: var(--bg-white);
            border-radius: var(--radius-md);
            border: 1px solid var(--border-light);
            box-shadow: var(--shadow-card);
            padding: 22px 18px;
            text-align: center;
            transition: all var(--transition);
            text-decoration: none;
            color: var(--text-main);
            display: block;
        }

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

        .channel-card .channel-icon {
            font-size: 28px;
            margin-bottom: 10px;
            line-height: 1;
        }

        .channel-card h3 {
            font-size: 16px;
            font-weight: 700;
            color: var(--text-main);
            margin-bottom: 4px;
        }

        .channel-card p {
            font-size: 13px;
            color: var(--text-sub);
            line-height: 1.6;
            margin: 0;
        }

        /* FAQ */
        .faq-list {
            max-width: 800px;
            margin: 0 auto;
            display: flex;
            flex-direction: column;
            gap: 12px;
        }

        .faq-item {
            background: var(--bg-white);
            border-radius: var(--radius-md);
            border: 1px solid var(--border-light);
            box-shadow: 0 4px 16px rgba(0, 0, 0, 0.04);
            overflow: hidden;
            transition: all var(--transition);
        }

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

        .faq-question {
            width: 100%;
            padding: 18px 20px;
            display: flex;
            align-items: center;
            justify-content: space-between;
            gap: 12px;
            text-align: left;
            background: transparent;
            font-size: 16px;
            font-weight: 600;
            color: var(--text-main);
            transition: color var(--transition);
            line-height: 1.5;
        }

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

        .faq-icon {
            width: 28px;
            height: 28px;
            border-radius: 8px;
            background: var(--primary-soft);
            color: var(--primary);
            display: flex;
            align-items: center;
            justify-content: center;
            font-size: 16px;
            font-weight: 700;
            flex-shrink: 0;
            transition: transform var(--transition), background var(--transition), color var(--transition);
            line-height: 1;
        }

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

        .faq-answer {
            max-height: 0;
            overflow: hidden;
            transition: max-height 0.35s ease, padding 0.35s ease;
            padding: 0 20px;
        }

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

        .faq-answer p {
            font-size: 14px;
            color: var(--text-sub);
            line-height: 1.8;
            margin: 0;
        }

        /* CTA Section */
        .cta-section {
            background: linear-gradient(135deg, #2F7BEA 0%, #1F67D0 60%, #1A5CBA 100%);
            padding: 56px 0;
            position: relative;
            overflow: hidden;
        }

        .cta-section::before {
            content: "";
            position: absolute;
            top: -80px;
            right: -60px;
            width: 300px;
            height: 300px;
            border-radius: 50%;
            background: rgba(255, 255, 255, 0.06);
            pointer-events: none;
        }

        .cta-section::after {
            content: "";
            position: absolute;
            bottom: -100px;
            left: -40px;
            width: 260px;
            height: 260px;
            border-radius: 50%;
            background: rgba(37, 201, 224, 0.12);
            pointer-events: none;
        }

        .cta-section .container {
            position: relative;
            z-index: 1;
        }

        .cta-grid {
            display: grid;
            grid-template-columns: 1fr 1fr;
            gap: 32px;
            align-items: center;
        }

        .cta-info h2 {
            font-size: 28px;
            font-weight: 800;
            color: #fff;
            line-height: 1.4;
            margin-bottom: 12px;
        }

        .cta-info p {
            font-size: 15px;
            color: rgba(255, 255, 255, 0.82);
            line-height: 1.8;
            margin-bottom: 16px;
        }

        .cta-info .cta-note {
            display: flex;
            align-items: center;
            gap: 8px;
            font-size: 13px;
            color: rgba(255, 255, 255, 0.7);
        }

        .cta-info .cta-note .dot {
            width: 6px;
            height: 6px;
            border-radius: 50%;
            background: var(--cyan);
            flex-shrink: 0;
        }

        .cta-form-card {
            background: #fff;
            border-radius: var(--radius-lg);
            padding: 28px 24px;
            box-shadow: 0 16px 44px rgba(0, 0, 0, 0.18);
        }

        .cta-form-card h3 {
            font-size: 18px;
            font-weight: 700;
            color: var(--text-main);
            margin-bottom: 16px;
        }

        .form-group {
            margin-bottom: 14px;
        }

        .form-group label {
            display: block;
            font-size: 13px;
            font-weight: 600;
            color: var(--text-sub);
            margin-bottom: 5px;
        }

        .form-group input,
        .form-group textarea {
            width: 100%;
            padding: 10px 14px;
            border-radius: 8px;
            border: 1px solid var(--border-input);
            background: var(--bg-page);
            font-size: 14px;
            transition: border-color var(--transition), box-shadow var(--transition);
            line-height: 1.5;
        }

        .form-group input::placeholder,
        .form-group textarea::placeholder {
            color: var(--text-mute);
        }

        .form-group input:focus,
        .form-group textarea:focus {
            border-color: var(--primary);
            box-shadow: 0 0 0 3px rgba(47, 123, 234, 0.15);
            outline: none;
        }

        .form-group textarea {
            resize: vertical;
            min-height: 80px;
        }

        .form-submit {
            width: 100%;
            height: 44px;
            border-radius: var(--radius-sm);
            background: var(--primary);
            color: #fff;
            font-weight: 600;
            font-size: 15px;
            transition: all var(--transition);
            line-height: 1;
        }

        .form-submit:hover {
            background: var(--primary-strong);
            transform: translateY(-1px);
            box-shadow: 0 8px 20px rgba(47, 123, 234, 0.28);
        }

        .form-submit:active {
            transform: translateY(0);
        }

        .form-submit:disabled {
            background: #b0c4de;
            cursor: not-allowed;
            transform: none;
            box-shadow: none;
        }

        /* Footer */
        .site-footer {
            background: var(--bg-footer);
            color: rgba(255, 255, 255, 0.75);
            padding: 48px 0 24px;
            margin-top: auto;
        }

        .footer-grid {
            display: grid;
            grid-template-columns: 2fr 1fr 1fr 1fr;
            gap: 32px;
            margin-bottom: 32px;
        }

        .footer-brand p {
            font-size: 14px;
            line-height: 1.8;
            color: rgba(255, 255, 255, 0.6);
            margin-top: 12px;
            max-width: 300px;
        }

        .footer-logo {
            display: flex;
            align-items: center;
            gap: 10px;
            font-weight: 800;
            font-size: 20px;
            color: #fff;
        }

        .footer-col h3 {
            font-size: 15px;
            font-weight: 700;
            color: #fff;
            margin-bottom: 14px;
            letter-spacing: 0.02em;
        }

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

        .footer-col ul li a {
            color: rgba(255, 255, 255, 0.55);
            text-decoration: none;
            font-size: 14px;
            transition: color var(--transition);
            line-height: 1.6;
        }

        .footer-col ul li a:hover {
            color: #fff;
        }

        .footer-bottom {
            padding-top: 20px;
            border-top: 1px solid rgba(255, 255, 255, 0.08);
            display: flex;
            align-items: center;
            justify-content: space-between;
            gap: 16px;
            flex-wrap: wrap;
            font-size: 13px;
            color: rgba(255, 255, 255, 0.5);
        }

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

        .footer-legal span {
            color: rgba(255, 255, 255, 0.45);
        }

        .footer-legal a {
            color: rgba(255, 255, 255, 0.55);
            text-decoration: none;
            transition: color var(--transition);
        }

        .footer-legal a:hover {
            color: #fff;
        }

        /* Responsive */
        @media (max-width: 1023px) {
            .container {
                padding-left: 24px;
                padding-right: 24px;
            }

            .site-header {
                padding: 0 24px;
            }

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

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

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

            .cta-grid {
                grid-template-columns: 1fr;
                gap: 24px;
            }

            .cat-hero h1 {
                font-size: 28px;
            }

            .footer-grid {
                grid-template-columns: 1fr 1fr;
                gap: 24px;
            }
        }

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

            .site-header {
                padding: 0 16px;
            }

            .header-cta {
                display: none;
            }

            .cat-hero {
                padding: 24px 0 20px;
            }

            .cat-hero h1 {
                font-size: 24px;
            }

            .cat-hero-desc {
                font-size: 14px;
            }

            section {
                padding: 32px 0;
            }

            .section-heading h2 {
                font-size: 22px;
            }

            .review-grid {
                grid-template-columns: 1fr;
                gap: 14px;
            }

            .stats-band {
                grid-template-columns: 1fr 1fr;
                padding: 16px 12px;
                gap: 8px;
            }

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

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

            .featured-card {
                flex: 0 0 260px;
            }

            .cta-section {
                padding: 40px 0;
            }

            .cta-info h2 {
                font-size: 22px;
            }

            .cta-form-card {
                padding: 20px 16px;
            }

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

            .footer-bottom {
                flex-direction: column;
                text-align: center;
                gap: 10px;
            }

            .footer-legal {
                justify-content: center;
            }

            .drawer-panel {
                width: 100%;
            }

            .btn-hamburger {
                width: 38px;
                height: 38px;
                border-radius: 10px;
            }
        }

        @media (max-width: 519px) {
            .cat-hero h1 {
                font-size: 21px;
            }

            .review-card-body h3 {
                font-size: 16px;
            }

            .review-card-body p {
                font-size: 13px;
            }

            .filter-bar {
                gap: 6px;
            }

            .filter-btn {
                height: 34px;
                padding: 0 14px;
                font-size: 13px;
            }

            .faq-question {
                font-size: 14px;
                padding: 14px 16px;
            }

            .faq-answer p {
                font-size: 13px;
            }
        }

/* roulang page: category3 */
:root {
            --primary: #2F7BEA;
            --primary-strong: #1F67D0;
            --primary-soft: rgba(47, 123, 234, 0.10);
            --cyan: #25C9E0;
            --cyan-soft: rgba(37, 201, 224, 0.12);
            --orange: #FF6B35;
            --orange-soft: rgba(255, 107, 53, 0.12);
            --text-main: #1A2233;
            --text-sub: #5C6B80;
            --text-mute: #8A96A8;
            --bg-page: #F5F7FB;
            --bg-white: #FFFFFF;
            --bg-footer: #1B2434;
            --border-light: rgba(0, 0, 0, 0.04);
            --border-input: #D6DFEC;
            --shadow-card: 0 12px 32px rgba(0, 0, 0, 0.06);
            --shadow-card-hover: 0 20px 44px rgba(0, 0, 0, 0.10);
            --radius-sm: 10px;
            --radius-md: 14px;
            --radius-lg: 16px;
            --radius-xl: 20px;
            --font-sans: "PingFang SC", "Hiragino Sans GB", "Source Han Sans SC", "Microsoft YaHei", "Noto Sans CJK SC", -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, Helvetica, Arial, sans-serif;
            --transition: 0.25s cubic-bezier(0.22, 0.61, 0.36, 1);
            --container-max: 1200px;
            --header-height: 64px;
            --drawer-width: 400px;
        }
        html {
            scroll-behavior: smooth;
            -webkit-text-size-adjust: 100%;
            box-sizing: border-box;
        }
        *,
        *::before,
        *::after {
            box-sizing: inherit;
            margin: 0;
            padding: 0;
        }
        body {
            font-family: var(--font-sans);
            font-size: 16px;
            line-height: 1.7;
            color: var(--text-main);
            background-color: var(--bg-page);
            min-height: 100vh;
            display: flex;
            flex-direction: column;
            -webkit-font-smoothing: antialiased;
            -moz-osx-font-smoothing: grayscale;
        }
        img {
            max-width: 100%;
            height: auto;
            display: block;
            border: 0;
        }
        a {
            color: var(--primary);
            text-decoration: none;
            transition: color var(--transition);
        }
        a:hover {
            color: var(--primary-strong);
        }
        a:focus-visible {
            outline: 3px solid rgba(47, 123, 234, 0.35);
            outline-offset: 2px;
            border-radius: 4px;
        }
        button,
        input,
        textarea,
        select {
            font: inherit;
            color: inherit;
        }
        button {
            cursor: pointer;
            border: none;
            background: none;
            -webkit-tap-highlight-color: transparent;
        }
        button:focus-visible,
        input:focus-visible,
        textarea:focus-visible,
        select:focus-visible {
            outline: 3px solid rgba(47, 123, 234, 0.35);
            outline-offset: 2px;
        }
        h1,
        h2,
        h3,
        h4,
        h5,
        h6 {
            line-height: 1.35;
            font-weight: 700;
        }
        ul,
        ol {
            list-style: none;
        }
        .container {
            max-width: var(--container-max);
            margin: 0 auto;
            padding-left: 32px;
            padding-right: 32px;
        }
        .site-header {
            position: sticky;
            top: 0;
            z-index: 1000;
            height: var(--header-height);
            background: rgba(255, 255, 255, 0.92);
            backdrop-filter: saturate(1.4) blur(16px);
            -webkit-backdrop-filter: saturate(1.4) blur(16px);
            border-bottom: 1px solid var(--border-light);
            display: flex;
            align-items: center;
            justify-content: space-between;
            padding: 0 32px;
            transition: box-shadow var(--transition), border-color var(--transition);
        }
        .site-header.scrolled {
            box-shadow: 0 6px 24px rgba(0, 0, 0, 0.06);
            border-bottom-color: rgba(0, 0, 0, 0.06);
        }
        .header-left {
            display: flex;
            align-items: center;
            gap: 12px;
        }
        .logo {
            display: flex;
            align-items: center;
            gap: 10px;
            font-weight: 800;
            font-size: 21px;
            color: var(--text-main);
            letter-spacing: 0.02em;
            text-decoration: none;
            transition: opacity var(--transition);
        }
        .logo:hover {
            opacity: 0.82;
            color: var(--text-main);
        }
        .logo-mark {
            width: 36px;
            height: 36px;
            border-radius: 10px;
            background: linear-gradient(135deg, var(--primary), var(--cyan));
            display: inline-flex;
            align-items: center;
            justify-content: center;
            color: #fff;
            font-weight: 900;
            font-size: 18px;
            flex-shrink: 0;
            box-shadow: 0 4px 12px rgba(47, 123, 234, 0.28);
        }
        .header-right {
            display: flex;
            align-items: center;
            gap: 12px;
        }
        .btn-hamburger {
            width: 42px;
            height: 42px;
            border-radius: 12px;
            border: 1px solid var(--border-input);
            background: var(--bg-white);
            display: inline-flex;
            flex-direction: column;
            align-items: center;
            justify-content: center;
            gap: 4.5px;
            transition: border-color var(--transition), background var(--transition), transform var(--transition);
            position: relative;
            z-index: 1201;
        }
        .btn-hamburger:hover {
            border-color: var(--primary);
            background: var(--primary-soft);
            transform: translateY(-1px);
        }
        .btn-hamburger:active {
            transform: translateY(0);
            background: rgba(47, 123, 234, 0.18);
        }
        .btn-hamburger span {
            display: block;
            width: 18px;
            height: 1.8px;
            background: var(--text-main);
            border-radius: 3px;
            transition: all var(--transition);
        }
        .btn-hamburger.active span:nth-child(1) {
            transform: translateY(6.3px) rotate(45deg);
        }
        .btn-hamburger.active span:nth-child(2) {
            opacity: 0;
        }
        .btn-hamburger.active span:nth-child(3) {
            transform: translateY(-6.3px) rotate(-45deg);
        }
        .header-cta {
            display: inline-flex;
            align-items: center;
            justify-content: center;
            padding: 0 18px;
            height: 42px;
            border-radius: var(--radius-sm);
            background: var(--primary);
            color: #fff;
            font-weight: 600;
            font-size: 14px;
            letter-spacing: 0.01em;
            transition: background var(--transition), transform var(--transition), box-shadow var(--transition);
            white-space: nowrap;
            text-decoration: none;
        }
        .header-cta:hover {
            background: var(--primary-strong);
            color: #fff;
            transform: translateY(-1px);
            box-shadow: 0 6px 16px rgba(47, 123, 234, 0.35);
        }
        .header-cta:active {
            transform: translateY(0);
            box-shadow: none;
        }
        .drawer-overlay {
            position: fixed;
            inset: 0;
            background: rgba(15, 23, 42, 0.55);
            z-index: 1198;
            opacity: 0;
            visibility: hidden;
            transition: opacity 0.3s ease, visibility 0.3s ease;
        }
        .drawer-overlay.open {
            opacity: 1;
            visibility: visible;
        }
        .drawer {
            position: fixed;
            top: 0;
            right: 0;
            bottom: 0;
            width: var(--drawer-width);
            max-width: 100vw;
            background: var(--bg-white);
            z-index: 1199;
            transform: translateX(100%);
            transition: transform 0.3s ease;
            display: flex;
            flex-direction: column;
            box-shadow: -16px 0 48px rgba(0, 0, 0, 0.12);
            border-radius: 20px 0 0 20px;
            overflow-y: auto;
        }
        .drawer.open {
            transform: translateX(0);
        }
        .drawer-header {
            display: flex;
            align-items: center;
            justify-content: space-between;
            padding: 20px 24px 16px;
            border-bottom: 1px solid var(--border-light);
            flex-shrink: 0;
        }
        .drawer-title {
            font-size: 18px;
            font-weight: 800;
            color: var(--text-main);
            display: flex;
            align-items: center;
            gap: 8px;
        }
        .btn-drawer-close {
            width: 38px;
            height: 38px;
            border-radius: 10px;
            border: 1px solid var(--border-input);
            background: var(--bg-white);
            display: inline-flex;
            align-items: center;
            justify-content: center;
            font-size: 20px;
            color: var(--text-sub);
            transition: all var(--transition);
            flex-shrink: 0;
        }
        .btn-drawer-close:hover {
            border-color: var(--primary);
            background: var(--primary-soft);
            color: var(--primary);
            transform: rotate(90deg);
        }
        .drawer-nav {
            padding: 20px 24px;
            display: flex;
            flex-direction: column;
            gap: 8px;
            flex: 1;
        }
        .drawer-nav-item {
            display: flex;
            align-items: center;
            justify-content: space-between;
            gap: 12px;
            padding: 14px 16px;
            border-radius: var(--radius-sm);
            font-size: 17px;
            font-weight: 600;
            color: var(--text-main);
            text-decoration: none;
            transition: all var(--transition);
            border: 1px solid transparent;
        }
        .drawer-nav-item small {
            font-size: 12px;
            font-weight: 400;
            color: var(--text-mute);
            letter-spacing: 0.03em;
            transition: color var(--transition);
        }
        .drawer-nav-item:hover {
            background: var(--primary-soft);
            border-color: rgba(47, 123, 234, 0.15);
            color: var(--primary);
            transform: translateX(-3px);
        }
        .drawer-nav-item:hover small {
            color: var(--primary);
        }
        .drawer-nav-item.active {
            background: var(--primary-soft);
            border-color: rgba(47, 123, 234, 0.25);
            color: var(--primary);
        }
        .drawer-nav-item.active small {
            color: var(--primary);
        }
        .drawer-cta {
            padding: 20px 24px 24px;
            flex-shrink: 0;
            border-top: 1px solid var(--border-light);
        }
        .drawer-cta .btn-primary {
            width: 100%;
            display: inline-flex;
            align-items: center;
            justify-content: center;
            padding: 13px 20px;
            border-radius: var(--radius-sm);
            background: var(--primary);
            color: #fff;
            font-weight: 700;
            font-size: 15px;
            text-decoration: none;
            transition: background var(--transition), transform var(--transition), box-shadow var(--transition);
        }
        .drawer-cta .btn-primary:hover {
            background: var(--primary-strong);
            color: #fff;
            transform: translateY(-1px);
            box-shadow: 0 6px 18px rgba(47, 123, 234, 0.35);
        }
        .breadcrumb {
            display: flex;
            align-items: center;
            flex-wrap: wrap;
            gap: 8px;
            font-size: 13px;
            color: var(--text-mute);
            margin-bottom: 14px;
        }
        .breadcrumb a {
            color: var(--text-mute);
            text-decoration: none;
            transition: color var(--transition);
        }
        .breadcrumb a:hover {
            color: var(--primary);
        }
        .breadcrumb .sep {
            color: #C9D3E0;
            user-select: none;
        }
        .breadcrumb .current {
            color: var(--text-sub);
            font-weight: 500;
        }
        .compact-hero {
            padding: 36px 0 28px;
            background: linear-gradient(180deg, #FFFFFF 0%, #F5F7FB 100%);
            border-bottom: 1px solid var(--border-light);
        }
        .compact-hero .container {
            display: flex;
            flex-direction: column;
        }
        .compact-hero h1 {
            font-size: 34px;
            font-weight: 800;
            color: var(--text-main);
            letter-spacing: 0.01em;
            margin-bottom: 10px;
        }
        .compact-hero p {
            font-size: 16px;
            color: var(--text-sub);
            max-width: 720px;
            line-height: 1.8;
        }
        .compact-hero .hero-meta {
            display: flex;
            flex-wrap: wrap;
            gap: 16px;
            margin-top: 16px;
        }
        .hero-meta span {
            display: inline-flex;
            align-items: center;
            gap: 6px;
            font-size: 13px;
            color: var(--text-mute);
        }
        .hero-meta .dot {
            width: 4px;
            height: 4px;
            border-radius: 50%;
            background: var(--cyan);
        }
        main {
            flex: 1;
            display: flex;
            flex-direction: column;
        }
        section {
            padding: 48px 0;
        }
        section:nth-child(even) {
            background: var(--bg-white);
        }
        section:nth-child(odd) {
            background: var(--bg-page);
        }
        .section-head {
            margin-bottom: 28px;
            display: flex;
            align-items: flex-end;
            justify-content: space-between;
            gap: 20px;
            flex-wrap: wrap;
        }
        .section-head h2 {
            font-size: 26px;
            font-weight: 800;
            color: var(--text-main);
            letter-spacing: 0.01em;
        }
        .section-head .sub {
            font-size: 14px;
            color: var(--text-sub);
            margin-top: 4px;
        }
        .section-head .more-link {
            font-size: 14px;
            font-weight: 600;
            color: var(--primary);
            text-decoration: none;
            display: inline-flex;
            align-items: center;
            gap: 4px;
            white-space: nowrap;
            transition: gap var(--transition), color var(--transition);
        }
        .section-head .more-link:hover {
            color: var(--primary-strong);
            gap: 8px;
        }
        .filter-bar {
            display: flex;
            flex-wrap: wrap;
            align-items: center;
            gap: 10px;
            padding: 16px 0;
            margin-bottom: 8px;
        }
        .filter-bar .filter-label {
            font-size: 14px;
            font-weight: 600;
            color: var(--text-sub);
            margin-right: 4px;
        }
        .filter-bar .filter-group {
            display: flex;
            flex-wrap: wrap;
            gap: 8px;
        }
        .filter-chip {
            display: inline-flex;
            align-items: center;
            gap: 6px;
            padding: 7px 14px;
            border-radius: 20px;
            border: 1px solid var(--border-input);
            background: var(--bg-white);
            font-size: 13px;
            font-weight: 500;
            color: var(--text-sub);
            transition: all var(--transition);
            cursor: pointer;
            user-select: none;
        }
        .filter-chip:hover {
            border-color: var(--primary);
            color: var(--primary);
            background: var(--primary-soft);
        }
        .filter-chip.active {
            background: var(--primary);
            border-color: var(--primary);
            color: #fff;
        }
        .stats-band {
            display: grid;
            grid-template-columns: repeat(4, 1fr);
            gap: 16px;
            padding: 20px 0;
        }
        .stat-item {
            text-align: center;
            padding: 18px 12px;
            border-radius: var(--radius-md);
            background: var(--bg-white);
            border: 1px solid var(--border-light);
            box-shadow: var(--shadow-card);
            transition: transform var(--transition), box-shadow var(--transition);
        }
        .stat-item:hover {
            transform: translateY(-3px);
            box-shadow: var(--shadow-card-hover);
        }
        .stat-item .stat-num {
            font-size: 30px;
            font-weight: 800;
            color: var(--primary);
            line-height: 1.2;
        }
        .stat-item .stat-num.cyan {
            color: var(--cyan);
        }
        .stat-item .stat-num.orange {
            color: var(--orange);
        }
        .stat-item .stat-label {
            font-size: 13px;
            color: var(--text-sub);
            margin-top: 4px;
        }
        .guide-grid {
            display: grid;
            grid-template-columns: repeat(3, 1fr);
            gap: 24px;
        }
        .guide-card {
            background: var(--bg-white);
            border-radius: var(--radius-lg);
            border: 1px solid var(--border-light);
            box-shadow: var(--shadow-card);
            overflow: hidden;
            transition: transform var(--transition), box-shadow var(--transition);
            display: flex;
            flex-direction: column;
        }
        .guide-card:hover {
            transform: translateY(-4px);
            box-shadow: var(--shadow-card-hover);
        }
        .guide-card .card-thumb {
            position: relative;
            aspect-ratio: 16 / 9;
            overflow: hidden;
            background: #E8EDF5;
        }
        .guide-card .card-thumb img {
            width: 100%;
            height: 100%;
            object-fit: cover;
            transition: transform 0.4s ease;
        }
        .guide-card:hover .card-thumb img {
            transform: scale(1.04);
        }
        .guide-card .card-badge {
            position: absolute;
            top: 12px;
            left: 12px;
            display: inline-flex;
            align-items: center;
            gap: 4px;
            padding: 5px 10px;
            border-radius: 6px;
            font-size: 12px;
            font-weight: 600;
            white-space: nowrap;
        }
        .badge-orange {
            background: var(--orange-soft);
            color: var(--orange);
        }
        .badge-cyan {
            background: var(--cyan-soft);
            color: #1AA5B8;
        }
        .badge-primary {
            background: var(--primary-soft);
            color: var(--primary);
        }
        .guide-card .card-body {
            padding: 18px 18px 20px;
            display: flex;
            flex-direction: column;
            flex: 1;
            gap: 8px;
        }
        .guide-card .card-title {
            font-size: 17px;
            font-weight: 700;
            color: var(--text-main);
            line-height: 1.5;
        }
        .guide-card .card-desc {
            font-size: 14px;
            color: var(--text-sub);
            line-height: 1.7;
            display: -webkit-box;
            -webkit-line-clamp: 2;
            -webkit-box-orient: vertical;
            overflow: hidden;
        }
        .guide-card .card-meta {
            display: flex;
            flex-wrap: wrap;
            align-items: center;
            gap: 10px;
            font-size: 12px;
            color: var(--text-mute);
            margin-top: auto;
            padding-top: 8px;
        }
        .guide-card .card-meta .rating {
            display: inline-flex;
            align-items: center;
            gap: 4px;
            font-weight: 700;
            color: var(--orange);
        }
        .topic-row {
            display: grid;
            grid-template-columns: repeat(6, 1fr);
            gap: 16px;
        }
        .topic-card {
            background: var(--bg-white);
            border-radius: var(--radius-md);
            border: 1px solid var(--border-light);
            box-shadow: var(--shadow-card);
            padding: 20px 14px;
            text-align: center;
            transition: all var(--transition);
            cursor: pointer;
        }
        .topic-card:hover {
            transform: translateY(-3px);
            box-shadow: var(--shadow-card-hover);
            border-color: rgba(47, 123, 234, 0.2);
        }
        .topic-card .topic-icon {
            width: 48px;
            height: 48px;
            border-radius: 14px;
            background: var(--primary-soft);
            display: flex;
            align-items: center;
            justify-content: center;
            margin: 0 auto 10px;
            font-size: 22px;
            font-weight: 800;
            color: var(--primary);
        }
        .topic-card .topic-name {
            font-size: 14px;
            font-weight: 600;
            color: var(--text-main);
            line-height: 1.4;
        }
        .topic-card .topic-count {
            font-size: 12px;
            color: var(--text-mute);
            margin-top: 4px;
        }
        .faq-list {
            max-width: 820px;
            margin: 0 auto;
            display: flex;
            flex-direction: column;
            gap: 12px;
        }
        .faq-item {
            background: var(--bg-white);
            border-radius: var(--radius-md);
            border: 1px solid var(--border-light);
            box-shadow: var(--shadow-card);
            overflow: hidden;
            transition: border-color var(--transition), box-shadow var(--transition);
        }
        .faq-item:hover {
            border-color: rgba(47, 123, 234, 0.15);
        }
        .faq-item.open {
            border-color: rgba(47, 123, 234, 0.3);
            box-shadow: var(--shadow-card-hover);
        }
        .faq-question {
            display: flex;
            align-items: center;
            justify-content: space-between;
            gap: 16px;
            padding: 18px 20px;
            cursor: pointer;
            user-select: none;
            transition: background var(--transition);
        }
        .faq-question:hover {
            background: var(--primary-soft);
        }
        .faq-question h3 {
            font-size: 16px;
            font-weight: 700;
            color: var(--text-main);
            line-height: 1.5;
            margin: 0;
        }
        .faq-question .faq-icon {
            width: 28px;
            height: 28px;
            border-radius: 8px;
            background: var(--bg-page);
            display: flex;
            align-items: center;
            justify-content: center;
            font-size: 18px;
            font-weight: 700;
            color: var(--text-sub);
            transition: all var(--transition);
            flex-shrink: 0;
        }
        .faq-item.open .faq-question .faq-icon {
            background: var(--primary-soft);
            color: var(--primary);
            transform: rotate(45deg);
        }
        .faq-answer {
            max-height: 0;
            overflow: hidden;
            transition: max-height 0.35s ease, padding 0.35s ease;
            padding: 0 20px;
        }
        .faq-item.open .faq-answer {
            max-height: 300px;
            padding: 0 20px 18px;
        }
        .faq-answer p {
            font-size: 14px;
            color: var(--text-sub);
            line-height: 1.8;
        }
        .cta-band {
            background: linear-gradient(135deg, #2F7BEA 0%, #1F67D0 100%);
            border-radius: var(--radius-xl);
            padding: 44px 40px;
            display: flex;
            align-items: center;
            justify-content: space-between;
            gap: 32px;
            flex-wrap: wrap;
            box-shadow: 0 16px 48px rgba(47, 123, 234, 0.25);
        }
        .cta-band .cta-text {
            color: #fff;
            flex: 1;
            min-width: 260px;
        }
        .cta-band .cta-text h2 {
            font-size: 26px;
            font-weight: 800;
            margin-bottom: 8px;
            color: #fff;
        }
        .cta-band .cta-text p {
            font-size: 15px;
            color: rgba(255, 255, 255, 0.85);
            line-height: 1.7;
        }
        .cta-band .cta-actions {
            display: flex;
            gap: 12px;
            flex-wrap: wrap;
        }
        .btn-white {
            display: inline-flex;
            align-items: center;
            justify-content: center;
            padding: 13px 24px;
            border-radius: var(--radius-sm);
            background: #fff;
            color: var(--primary);
            font-weight: 700;
            font-size: 15px;
            text-decoration: none;
            transition: all var(--transition);
            white-space: nowrap;
        }
        .btn-white:hover {
            background: rgba(255, 255, 255, 0.9);
            color: var(--primary-strong);
            transform: translateY(-2px);
            box-shadow: 0 8px 20px rgba(0, 0, 0, 0.2);
        }
        .btn-outline-white {
            display: inline-flex;
            align-items: center;
            justify-content: center;
            padding: 13px 24px;
            border-radius: var(--radius-sm);
            background: transparent;
            border: 1.5px solid rgba(255, 255, 255, 0.6);
            color: #fff;
            font-weight: 700;
            font-size: 15px;
            text-decoration: none;
            transition: all var(--transition);
            white-space: nowrap;
        }
        .btn-outline-white:hover {
            background: rgba(255, 255, 255, 0.15);
            border-color: #fff;
            color: #fff;
            transform: translateY(-2px);
        }
        .site-footer {
            background: var(--bg-footer);
            color: rgba(255, 255, 255, 0.75);
            padding: 48px 0 24px;
            margin-top: auto;
        }
        .footer-grid {
            display: grid;
            grid-template-columns: 2fr 1fr 1fr 1fr;
            gap: 32px;
            margin-bottom: 32px;
        }
        .footer-brand .footer-logo {
            display: flex;
            align-items: center;
            gap: 8px;
            font-weight: 800;
            font-size: 18px;
            color: #fff;
            margin-bottom: 12px;
        }
        .footer-brand p {
            font-size: 14px;
            color: rgba(255, 255, 255, 0.6);
            line-height: 1.8;
            max-width: 320px;
        }
        .footer-col h3 {
            font-size: 15px;
            font-weight: 700;
            color: #fff;
            margin-bottom: 14px;
        }
        .footer-col ul {
            display: flex;
            flex-direction: column;
            gap: 8px;
        }
        .footer-col ul li a {
            font-size: 14px;
            color: rgba(255, 255, 255, 0.6);
            text-decoration: none;
            transition: color var(--transition);
        }
        .footer-col ul li a:hover {
            color: #fff;
        }
        .footer-bottom {
            border-top: 1px solid rgba(255, 255, 255, 0.1);
            padding-top: 20px;
            display: flex;
            align-items: center;
            justify-content: space-between;
            flex-wrap: wrap;
            gap: 12px;
            font-size: 13px;
            color: rgba(255, 255, 255, 0.5);
        }
        .footer-legal {
            display: flex;
            align-items: center;
            flex-wrap: wrap;
            gap: 12px;
        }
        .footer-legal a {
            color: rgba(255, 255, 255, 0.5);
            text-decoration: none;
            transition: color var(--transition);
        }
        .footer-legal a:hover {
            color: #fff;
        }
        @media (max-width: 1024px) {
            .container {
                padding-left: 24px;
                padding-right: 24px;
            }
            .site-header {
                padding: 0 24px;
            }
            .guide-grid {
                grid-template-columns: repeat(2, 1fr);
                gap: 20px;
            }
            .topic-row {
                grid-template-columns: repeat(3, 1fr);
                gap: 12px;
            }
            .stats-band {
                grid-template-columns: repeat(2, 1fr);
                gap: 12px;
            }
            .footer-grid {
                grid-template-columns: 1fr 1fr;
                gap: 24px;
            }
        }
        @media (max-width: 768px) {
            .container {
                padding-left: 16px;
                padding-right: 16px;
            }
            .site-header {
                padding: 0 16px;
            }
            .header-cta {
                display: none;
            }
            .logo {
                font-size: 18px;
            }
            .logo-mark {
                width: 32px;
                height: 32px;
                font-size: 16px;
                border-radius: 8px;
            }
            .compact-hero {
                padding: 28px 0 20px;
            }
            .compact-hero h1 {
                font-size: 26px;
            }
            .compact-hero p {
                font-size: 14px;
            }
            section {
                padding: 32px 0;
            }
            .section-head h2 {
                font-size: 22px;
            }
            .guide-grid {
                grid-template-columns: 1fr;
                gap: 16px;
            }
            .topic-row {
                grid-template-columns: repeat(2, 1fr);
                gap: 10px;
            }
            .stats-band {
                grid-template-columns: repeat(2, 1fr);
                gap: 10px;
            }
            .stat-item .stat-num {
                font-size: 24px;
            }
            .cta-band {
                padding: 28px 20px;
                gap: 20px;
                flex-direction: column;
                text-align: center;
            }
            .cta-band .cta-actions {
                justify-content: center;
            }
            .btn-white,
            .btn-outline-white {
                padding: 11px 18px;
                font-size: 14px;
            }
            .footer-grid {
                grid-template-columns: 1fr;
                gap: 20px;
            }
            .footer-bottom {
                flex-direction: column;
                align-items: flex-start;
                gap: 8px;
            }
            .footer-legal {
                flex-direction: column;
                align-items: flex-start;
                gap: 4px;
            }
            .drawer {
                width: 100vw;
                border-radius: 0;
            }
            .filter-bar {
                gap: 6px;
            }
            .filter-chip {
                padding: 6px 12px;
                font-size: 12px;
            }
        }
        @media (max-width: 520px) {
            .topic-row {
                grid-template-columns: 1fr 1fr;
                gap: 8px;
            }
            .topic-card .topic-icon {
                width: 40px;
                height: 40px;
                font-size: 18px;
                border-radius: 10px;
            }
            .compact-hero h1 {
                font-size: 22px;
            }
            .section-head {
                flex-direction: column;
                align-items: flex-start;
                gap: 8px;
            }
        }

/* roulang page: category4 */
:root {
            --primary: #2F7BEA;
            --primary-strong: #1F67D0;
            --primary-soft: rgba(47, 123, 234, 0.10);
            --cyan: #25C9E0;
            --cyan-soft: rgba(37, 201, 224, 0.12);
            --orange: #FF6B35;
            --orange-soft: rgba(255, 107, 53, 0.12);
            --text-main: #1A2233;
            --text-sub: #5C6B80;
            --text-mute: #8A96A8;
            --bg-page: #F5F7FB;
            --bg-white: #FFFFFF;
            --bg-footer: #1B2434;
            --border-light: rgba(0, 0, 0, 0.04);
            --border-input: #D6DFEC;
            --shadow-card: 0 12px 32px rgba(0, 0, 0, 0.06);
            --shadow-card-hover: 0 20px 44px rgba(0, 0, 0, 0.10);
            --radius-sm: 10px;
            --radius-md: 14px;
            --radius-lg: 16px;
            --radius-xl: 20px;
            --font-sans: "PingFang SC", "Hiragino Sans GB", "Source Han Sans SC", "Microsoft YaHei", "Noto Sans CJK SC", -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, Helvetica, Arial, sans-serif;
            --transition: 0.25s cubic-bezier(0.22, 0.61, 0.36, 1);
            --container-max: 1200px;
            --header-height: 64px;
            --drawer-width: 400px;
        }

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

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

        body {
            font-family: var(--font-sans);
            font-size: 16px;
            line-height: 1.7;
            color: var(--text-main);
            background-color: var(--bg-page);
            min-height: 100vh;
            display: flex;
            flex-direction: column;
        }

        img {
            max-width: 100%;
            height: auto;
            display: block;
            border: 0;
        }

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

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

        a:focus-visible {
            outline: 3px solid rgba(47, 123, 234, 0.35);
            outline-offset: 2px;
            border-radius: 4px;
        }

        button,
        input,
        textarea,
        select {
            font: inherit;
            color: inherit;
        }

        button {
            cursor: pointer;
            border: none;
            background: none;
            -webkit-tap-highlight-color: transparent;
        }

        button:focus-visible,
        input:focus-visible,
        textarea:focus-visible,
        select:focus-visible {
            outline: 3px solid rgba(47, 123, 234, 0.35);
            outline-offset: 2px;
        }

        .container {
            max-width: var(--container-max);
            margin: 0 auto;
            padding-left: 32px;
            padding-right: 32px;
        }

        @media (max-width: 768px) {
            .container {
                padding-left: 16px;
                padding-right: 16px;
            }
        }

        /* Header & Navigation */
        .site-header {
            position: sticky;
            top: 0;
            z-index: 1000;
            height: var(--header-height);
            background: rgba(255, 255, 255, 0.92);
            backdrop-filter: saturate(1.4) blur(16px);
            -webkit-backdrop-filter: saturate(1.4) blur(16px);
            border-bottom: 1px solid var(--border-light);
            display: flex;
            align-items: center;
            justify-content: space-between;
            padding: 0 32px;
            transition: box-shadow var(--transition), border-color var(--transition);
        }

        .site-header.scrolled {
            box-shadow: 0 6px 24px rgba(0, 0, 0, 0.06);
            border-bottom-color: rgba(0, 0, 0, 0.06);
        }

        @media (max-width: 768px) {
            .site-header {
                padding: 0 16px;
            }
        }

        .header-left {
            display: flex;
            align-items: center;
            gap: 12px;
        }

        .logo {
            display: flex;
            align-items: center;
            gap: 10px;
            font-weight: 800;
            font-size: 21px;
            color: var(--text-main);
            letter-spacing: 0.02em;
            text-decoration: none;
            transition: opacity var(--transition);
        }

        .logo:hover {
            opacity: 0.82;
            color: var(--text-main);
        }

        .logo-mark {
            width: 36px;
            height: 36px;
            border-radius: 10px;
            background: linear-gradient(135deg, var(--primary), var(--cyan));
            display: inline-flex;
            align-items: center;
            justify-content: center;
            color: #fff;
            font-weight: 900;
            font-size: 18px;
            flex-shrink: 0;
            box-shadow: 0 4px 12px rgba(47, 123, 234, 0.28);
        }

        .header-right {
            display: flex;
            align-items: center;
            gap: 12px;
        }

        .btn-hamburger {
            width: 42px;
            height: 42px;
            border-radius: 12px;
            border: 1px solid var(--border-input);
            background: var(--bg-white);
            display: inline-flex;
            flex-direction: column;
            align-items: center;
            justify-content: center;
            gap: 4.5px;
            transition: border-color var(--transition), background var(--transition), transform var(--transition);
            position: relative;
            z-index: 1201;
        }

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

        .btn-hamburger:active {
            transform: translateY(0);
            background: rgba(47, 123, 234, 0.18);
        }

        .btn-hamburger span {
            display: block;
            width: 18px;
            height: 1.8px;
            background: var(--text-main);
            border-radius: 3px;
            transition: all var(--transition);
        }

        .btn-primary {
            display: inline-flex;
            align-items: center;
            justify-content: center;
            gap: 8px;
            background: var(--primary);
            color: #fff;
            font-weight: 700;
            font-size: 15px;
            padding: 10px 20px;
            border-radius: var(--radius-sm);
            transition: background var(--transition), transform var(--transition), box-shadow var(--transition);
            white-space: nowrap;
            letter-spacing: 0.01em;
            border: none;
            cursor: pointer;
            text-decoration: none;
        }

        .btn-primary:hover {
            background: var(--primary-strong);
            color: #fff;
            transform: translateY(-1px);
            box-shadow: 0 8px 20px rgba(47, 123, 234, 0.25);
        }

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

        .btn-primary:focus-visible {
            outline: 3px solid rgba(47, 123, 234, 0.35);
            outline-offset: 2px;
        }

        @media (max-width: 520px) {
            .btn-primary {
                font-size: 14px;
                padding: 9px 16px;
            }
        }

        /* Drawer */
        .drawer-overlay {
            position: fixed;
            inset: 0;
            background: rgba(15, 23, 42, 0.55);
            z-index: 1198;
            opacity: 0;
            pointer-events: none;
            transition: opacity 0.3s ease;
        }

        .drawer-overlay.active {
            opacity: 1;
            pointer-events: auto;
        }

        .drawer {
            position: fixed;
            top: 0;
            right: 0;
            bottom: 0;
            width: var(--drawer-width);
            max-width: 100vw;
            background: var(--bg-white);
            z-index: 1200;
            transform: translateX(100%);
            transition: transform 0.3s cubic-bezier(0.22, 0.61, 0.36, 1);
            display: flex;
            flex-direction: column;
            box-shadow: -12px 0 40px rgba(0, 0, 0, 0.16);
        }

        .drawer.active {
            transform: translateX(0);
        }

        .drawer-header {
            display: flex;
            align-items: center;
            justify-content: space-between;
            padding: 20px 24px;
            border-bottom: 1px solid var(--border-light);
            flex-shrink: 0;
        }

        .drawer-logo {
            display: flex;
            align-items: center;
            gap: 10px;
            font-weight: 800;
            font-size: 19px;
            color: var(--text-main);
        }

        .drawer-close {
            width: 36px;
            height: 36px;
            border-radius: 10px;
            border: 1px solid var(--border-input);
            background: var(--bg-white);
            display: inline-flex;
            align-items: center;
            justify-content: center;
            font-size: 18px;
            color: var(--text-sub);
            transition: all var(--transition);
        }

        .drawer-close:hover {
            border-color: var(--primary);
            background: var(--primary-soft);
            color: var(--primary);
        }

        .drawer-body {
            flex: 1;
            overflow-y: auto;
            padding: 20px 24px;
        }

        .drawer-nav {
            display: flex;
            flex-direction: column;
            gap: 6px;
        }

        .drawer-nav-item {
            display: flex;
            align-items: baseline;
            gap: 10px;
            padding: 14px 16px;
            border-radius: var(--radius-sm);
            font-size: 17px;
            font-weight: 600;
            color: var(--text-main);
            transition: background var(--transition), color var(--transition);
            text-decoration: none;
            position: relative;
        }

        .drawer-nav-item small {
            font-size: 12px;
            font-weight: 400;
            color: var(--text-mute);
            letter-spacing: 0.04em;
            margin-left: auto;
            flex-shrink: 0;
        }

        .drawer-nav-item:hover {
            background: var(--primary-soft);
            color: var(--primary);
        }

        .drawer-nav-item.active {
            background: var(--primary-soft);
            color: var(--primary);
            font-weight: 700;
        }

        .drawer-nav-item.active::before {
            content: '';
            position: absolute;
            left: 0;
            top: 50%;
            transform: translateY(-50%);
            width: 4px;
            height: 24px;
            border-radius: 4px;
            background: var(--primary);
        }

        .drawer-footer {
            padding: 20px 24px;
            border-top: 1px solid var(--border-light);
            flex-shrink: 0;
            display: flex;
            flex-direction: column;
            gap: 12px;
        }

        .drawer-footer .btn-primary {
            width: 100%;
            justify-content: center;
        }

        @media (max-width: 520px) {
            .drawer {
                width: 100vw;
            }
        }

        /* Hero */
        .hero-slant {
            position: relative;
            background: linear-gradient(102deg, var(--bg-white) 0%, var(--bg-white) 62%, var(--primary-soft) 62.1%, var(--cyan-soft) 100%);
            padding: 48px 0 56px;
            border-bottom: 1px solid var(--border-light);
            overflow: hidden;
        }

        .hero-slant::after {
            content: '';
            position: absolute;
            top: -80px;
            right: -120px;
            width: 420px;
            height: 420px;
            border-radius: 50%;
            background: radial-gradient(circle, rgba(37, 201, 224, 0.14), transparent 65%);
            pointer-events: none;
        }

        .hero-slant::before {
            content: '';
            position: absolute;
            bottom: -140px;
            right: 60px;
            width: 320px;
            height: 320px;
            border-radius: 50%;
            background: radial-gradient(circle, rgba(255, 107, 53, 0.07), transparent 60%);
            pointer-events: none;
        }

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

        .breadcrumb {
            display: flex;
            align-items: center;
            gap: 8px;
            font-size: 13px;
            color: var(--text-mute);
            margin-bottom: 16px;
            flex-wrap: wrap;
        }

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

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

        .breadcrumb .sep {
            color: var(--text-mute);
            font-size: 12px;
        }

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

        .hero-slant h1 {
            font-size: 36px;
            font-weight: 800;
            line-height: 1.3;
            color: var(--text-main);
            margin-bottom: 12px;
            letter-spacing: -0.01em;
            max-width: 700px;
        }

        .hero-slant .hero-sub {
            font-size: 16px;
            color: var(--text-sub);
            line-height: 1.8;
            max-width: 560px;
            margin-bottom: 20px;
        }

        .hero-slant .hero-cta-row {
            display: flex;
            align-items: center;
            gap: 12px;
            flex-wrap: wrap;
        }

        @media (max-width: 768px) {
            .hero-slant {
                padding: 32px 0 40px;
            }
            .hero-slant h1 {
                font-size: 28px;
            }
        }

        @media (max-width: 520px) {
            .hero-slant h1 {
                font-size: 24px;
            }
            .hero-slant .hero-sub {
                font-size: 15px;
            }
            .hero-slant .hero-cta-row {
                flex-direction: column;
                align-items: stretch;
                width: 100%;
            }
            .hero-slant .hero-cta-row .btn-primary {
                width: 100%;
            }
        }

        /* Section base */
        .section {
            padding: 56px 0;
        }

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

        .section-head {
            margin-bottom: 32px;
        }

        .section-head h2 {
            font-size: 28px;
            font-weight: 800;
            color: var(--text-main);
            line-height: 1.35;
            letter-spacing: -0.01em;
            margin-bottom: 8px;
        }

        .section-head p {
            font-size: 15px;
            color: var(--text-sub);
            line-height: 1.8;
            max-width: 640px;
        }

        @media (max-width: 768px) {
            .section {
                padding: 40px 0;
            }
            .section-head h2 {
                font-size: 24px;
            }
        }

        /* Stat band */
        .stat-band {
            display: grid;
            grid-template-columns: repeat(4, 1fr);
            gap: 16px;
            margin-bottom: 12px;
        }

        .stat-card {
            background: var(--bg-white);
            border-radius: var(--radius-lg);
            padding: 22px 20px;
            border: 1px solid var(--border-light);
            box-shadow: var(--shadow-card);
            text-align: center;
            transition: transform var(--transition), box-shadow var(--transition);
        }

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

        .stat-number {
            font-size: 32px;
            font-weight: 800;
            color: var(--primary);
            line-height: 1.2;
            letter-spacing: -0.02em;
        }

        .stat-number.cyan {
            color: var(--cyan);
        }

        .stat-number.orange {
            color: var(--orange);
        }

        .stat-label {
            font-size: 14px;
            color: var(--text-sub);
            margin-top: 6px;
            font-weight: 500;
        }

        @media (max-width: 768px) {
            .stat-band {
                grid-template-columns: repeat(2, 1fr);
                gap: 12px;
            }
            .stat-number {
                font-size: 26px;
            }
        }

        @media (max-width: 520px) {
            .stat-band {
                grid-template-columns: 1fr 1fr;
                gap: 10px;
            }
            .stat-card {
                padding: 16px 14px;
            }
            .stat-number {
                font-size: 24px;
            }
            .stat-label {
                font-size: 12px;
            }
        }

        /* Ranking list cards */
        .ranking-grid {
            display: grid;
            grid-template-columns: repeat(2, 1fr);
            gap: 20px;
        }

        .ranking-card {
            background: var(--bg-white);
            border-radius: var(--radius-lg);
            border: 1px solid var(--border-light);
            box-shadow: var(--shadow-card);
            padding: 22px;
            display: flex;
            gap: 16px;
            align-items: flex-start;
            transition: transform var(--transition), box-shadow var(--transition);
        }

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

        .ranking-cover {
            width: 120px;
            height: 84px;
            border-radius: var(--radius-sm);
            overflow: hidden;
            flex-shrink: 0;
            background: var(--bg-page);
            position: relative;
        }

        .ranking-cover img {
            width: 100%;
            height: 100%;
            object-fit: cover;
        }

        .ranking-tag {
            position: absolute;
            top: 8px;
            left: 8px;
            background: rgba(26, 34, 51, 0.82);
            color: #fff;
            font-size: 11px;
            font-weight: 700;
            padding: 3px 8px;
            border-radius: 20px;
            letter-spacing: 0.02em;
            backdrop-filter: blur(6px);
        }

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

        .ranking-title {
            font-size: 17px;
            font-weight: 700;
            color: var(--text-main);
            margin-bottom: 6px;
            line-height: 1.45;
        }

        .ranking-meta {
            font-size: 13px;
            color: var(--text-mute);
            display: flex;
            flex-wrap: wrap;
            gap: 8px 14px;
            margin-bottom: 8px;
        }

        .ranking-meta span {
            display: inline-flex;
            align-items: center;
            gap: 4px;
        }

        .ranking-desc {
            font-size: 14px;
            color: var(--text-sub);
            line-height: 1.7;
            display: -webkit-box;
            -webkit-line-clamp: 2;
            -webkit-box-orient: vertical;
            overflow: hidden;
        }

        .ranking-score {
            font-size: 22px;
            font-weight: 800;
            color: var(--orange);
            flex-shrink: 0;
            margin-left: 8px;
            letter-spacing: -0.02em;
        }

        @media (max-width: 768px) {
            .ranking-grid {
                grid-template-columns: 1fr;
                gap: 14px;
            }
            .ranking-card {
                padding: 16px;
                gap: 12px;
            }
            .ranking-cover {
                width: 90px;
                height: 64px;
            }
            .ranking-score {
                font-size: 18px;
            }
        }

        @media (max-width: 520px) {
            .ranking-card {
                flex-direction: column;
                gap: 10px;
            }
            .ranking-cover {
                width: 100%;
                height: 160px;
            }
            .ranking-score {
                margin-left: 0;
                align-self: flex-start;
            }
        }

        /* Filter bar */
        .filter-bar {
            display: flex;
            flex-wrap: wrap;
            gap: 10px;
            align-items: center;
            margin-bottom: 24px;
            padding: 14px 16px;
            background: var(--bg-white);
            border-radius: var(--radius-md);
            border: 1px solid var(--border-light);
            box-shadow: 0 4px 16px rgba(0, 0, 0, 0.03);
        }

        .filter-label {
            font-size: 14px;
            font-weight: 700;
            color: var(--text-main);
            margin-right: 4px;
        }

        .filter-btn {
            padding: 7px 16px;
            border-radius: 20px;
            font-size: 13px;
            font-weight: 600;
            color: var(--text-sub);
            background: var(--bg-page);
            border: 1px solid transparent;
            transition: all var(--transition);
            white-space: nowrap;
        }

        .filter-btn:hover {
            color: var(--primary);
            background: var(--primary-soft);
            border-color: rgba(47, 123, 234, 0.2);
        }

        .filter-btn.active {
            background: var(--primary);
            color: #fff;
            border-color: var(--primary);
        }

        @media (max-width: 768px) {
            .filter-bar {
                gap: 8px;
                padding: 12px;
                flex-wrap: nowrap;
                overflow-x: auto;
                -webkit-overflow-scrolling: touch;
            }
            .filter-btn {
                flex-shrink: 0;
                font-size: 12px;
                padding: 6px 12px;
            }
        }

        /* Topic strip */
        .topic-strip {
            display: grid;
            grid-template-columns: repeat(4, 1fr);
            gap: 14px;
        }

        .topic-card {
            background: var(--bg-white);
            border-radius: var(--radius-md);
            padding: 18px 16px;
            border: 1px solid var(--border-light);
            box-shadow: var(--shadow-card);
            text-align: center;
            transition: transform var(--transition), box-shadow var(--transition), border-color var(--transition);
        }

        .topic-card:hover {
            transform: translateY(-3px);
            box-shadow: var(--shadow-card-hover);
            border-color: rgba(47, 123, 234, 0.18);
        }

        .topic-card .topic-icon {
            width: 44px;
            height: 44px;
            border-radius: 12px;
            margin: 0 auto 10px;
            display: flex;
            align-items: center;
            justify-content: center;
            font-size: 20px;
            font-weight: 800;
            background: var(--primary-soft);
            color: var(--primary);
        }

        .topic-card .topic-icon.cyan {
            background: var(--cyan-soft);
            color: var(--cyan);
        }

        .topic-card .topic-icon.orange {
            background: var(--orange-soft);
            color: var(--orange);
        }

        .topic-card h3 {
            font-size: 15px;
            font-weight: 700;
            color: var(--text-main);
            margin-bottom: 4px;
        }

        .topic-card p {
            font-size: 12px;
            color: var(--text-mute);
            line-height: 1.5;
        }

        @media (max-width: 768px) {
            .topic-strip {
                grid-template-columns: repeat(2, 1fr);
                gap: 10px;
            }
        }

        @media (max-width: 520px) {
            .topic-strip {
                grid-template-columns: 1fr;
            }
        }

        /* Trend timeline */
        .trend-list {
            display: flex;
            flex-direction: column;
            gap: 12px;
        }

        .trend-item {
            display: flex;
            align-items: center;
            gap: 16px;
            background: var(--bg-white);
            border-radius: var(--radius-md);
            border: 1px solid var(--border-light);
            box-shadow: 0 4px 16px rgba(0, 0, 0, 0.03);
            padding: 14px 18px;
            transition: transform var(--transition), box-shadow var(--transition), border-color var(--transition);
        }

        .trend-item:hover {
            transform: translateY(-2px);
            box-shadow: var(--shadow-card);
            border-color: rgba(47, 123, 234, 0.15);
        }

        .trend-change {
            width: 52px;
            height: 52px;
            border-radius: 12px;
            display: inline-flex;
            align-items: center;
            justify-content: center;
            font-weight: 800;
            font-size: 18px;
            flex-shrink: 0;
            background: var(--primary-soft);
            color: var(--primary);
        }

        .trend-change.up {
            background: var(--cyan-soft);
            color: var(--cyan);
        }

        .trend-change.down {
            background: var(--orange-soft);
            color: var(--orange);
        }

        .trend-change.stable {
            background: var(--bg-page);
            color: var(--text-mute);
        }

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

        .trend-info h4 {
            font-size: 15px;
            font-weight: 700;
            color: var(--text-main);
            margin-bottom: 2px;
        }

        .trend-info p {
            font-size: 13px;
            color: var(--text-sub);
            line-height: 1.5;
        }

        .trend-date {
            font-size: 12px;
            color: var(--text-mute);
            flex-shrink: 0;
            text-align: right;
        }

        @media (max-width: 520px) {
            .trend-item {
                flex-wrap: wrap;
                gap: 10px;
                padding: 12px 14px;
            }
            .trend-change {
                width: 40px;
                height: 40px;
                font-size: 15px;
                border-radius: 10px;
            }
            .trend-date {
                text-align: left;
            }
        }

        /* CTA band */
        .cta-band {
            background: linear-gradient(135deg, var(--primary), var(--cyan));
            border-radius: var(--radius-xl);
            padding: 40px 32px;
            color: #fff;
            display: flex;
            align-items: center;
            justify-content: space-between;
            gap: 24px;
            flex-wrap: wrap;
            box-shadow: 0 16px 40px rgba(47, 123, 234, 0.24);
        }

        .cta-band h2 {
            font-size: 24px;
            font-weight: 800;
            line-height: 1.4;
            margin-bottom: 4px;
            color: #fff;
        }

        .cta-band p {
            font-size: 15px;
            line-height: 1.7;
            color: rgba(255, 255, 255, 0.88);
            max-width: 520px;
        }

        .cta-band .btn-white {
            background: #fff;
            color: var(--primary);
            font-weight: 700;
            font-size: 15px;
            padding: 12px 28px;
            border-radius: var(--radius-sm);
            display: inline-flex;
            align-items: center;
            gap: 8px;
            transition: transform var(--transition), box-shadow var(--transition), background var(--transition);
            white-space: nowrap;
            text-decoration: none;
        }

        .cta-band .btn-white:hover {
            transform: translateY(-2px);
            box-shadow: 0 10px 28px rgba(0, 0, 0, 0.18);
            background: #f0f6ff;
            color: var(--primary-strong);
        }

        @media (max-width: 768px) {
            .cta-band {
                padding: 28px 20px;
                flex-direction: column;
                align-items: flex-start;
                gap: 18px;
                text-align: left;
            }
            .cta-band h2 {
                font-size: 20px;
            }
        }

        @media (max-width: 520px) {
            .cta-band .btn-white {
                width: 100%;
                justify-content: center;
            }
        }

        /* Footer */
        .site-footer {
            background: var(--bg-footer);
            color: rgba(255, 255, 255, 0.7);
            padding: 48px 0 28px;
            margin-top: auto;
        }

        .footer-grid {
            display: grid;
            grid-template-columns: 1.4fr 1fr 1fr 1.2fr;
            gap: 32px;
            margin-bottom: 32px;
        }

        .footer-brand p {
            font-size: 14px;
            line-height: 1.8;
            margin-top: 12px;
            color: rgba(255, 255, 255, 0.62);
        }

        .footer-logo {
            display: flex;
            align-items: center;
            gap: 10px;
            font-weight: 800;
            font-size: 19px;
            color: #fff;
        }

        .footer-col h3 {
            font-size: 14px;
            font-weight: 700;
            color: #fff;
            margin-bottom: 14px;
            letter-spacing: 0.04em;
        }

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

        .footer-col ul a {
            font-size: 14px;
            color: rgba(255, 255, 255, 0.62);
            transition: color var(--transition);
            text-decoration: none;
        }

        .footer-col ul a:hover {
            color: #fff;
        }

        .footer-bottom {
            border-top: 1px solid rgba(255, 255, 255, 0.08);
            padding-top: 20px;
            display: flex;
            align-items: center;
            justify-content: space-between;
            flex-wrap: wrap;
            gap: 12px;
            font-size: 13px;
            color: rgba(255, 255, 255, 0.5);
        }

        .footer-legal {
            display: flex;
            align-items: center;
            flex-wrap: wrap;
            gap: 12px 16px;
            font-size: 13px;
            color: rgba(255, 255, 255, 0.5);
        }

        .footer-legal a {
            color: rgba(255, 255, 255, 0.6);
            text-decoration: none;
            transition: color var(--transition);
        }

        .footer-legal a:hover {
            color: #fff;
        }

        @media (max-width: 992px) {
            .footer-grid {
                grid-template-columns: repeat(2, 1fr);
                gap: 24px;
            }
        }

        @media (max-width: 520px) {
            .footer-grid {
                grid-template-columns: 1fr;
                gap: 20px;
            }
            .footer-bottom {
                flex-direction: column;
                align-items: flex-start;
            }
            .footer-legal {
                flex-direction: column;
                align-items: flex-start;
                gap: 6px;
            }
            .site-footer {
                padding: 32px 0 20px;
            }
        }

        /* Section-specific alt backgrounds */
        .bg-white-section {
            background: var(--bg-white);
        }

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

/* roulang page: category5 */
:root {
  --primary: #2F7BEA;
  --primary-strong: #1F67D0;
  --primary-soft: rgba(47, 123, 234, 0.10);
  --primary-softer: rgba(47, 123, 234, 0.05);
  --cyan: #25C9E0;
  --cyan-soft: rgba(37, 201, 224, 0.12);
  --orange: #FF6B35;
  --orange-soft: rgba(255, 107, 53, 0.12);
  --text-main: #1A2233;
  --text-sub: #5C6B80;
  --text-mute: #8A96A8;
  --bg-page: #F5F7FB;
  --bg-white: #FFFFFF;
  --bg-footer: #1B2434;
  --border-light: rgba(0, 0, 0, 0.04);
  --border-input: #D6DFEC;
  --shadow-card: 0 12px 32px rgba(0, 0, 0, 0.06);
  --shadow-card-hover: 0 20px 44px rgba(0, 0, 0, 0.10);
  --radius-sm: 10px;
  --radius-md: 14px;
  --radius-lg: 16px;
  --radius-xl: 20px;
  --font-sans: "PingFang SC", "Hiragino Sans GB", "Source Han Sans SC", "Microsoft YaHei", "Noto Sans CJK SC", -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, Helvetica, Arial, sans-serif;
  --transition: 0.25s cubic-bezier(0.22, 0.61, 0.36, 1);
  --container-max: 1200px;
  --header-height: 64px;
  --drawer-width: 400px;
}
*,
*::before,
*::after {
  box-sizing: border-box;
  margin: 0;
  padding: 0;
}
html {
  scroll-behavior: smooth;
  -webkit-text-size-adjust: 100%;
}
body {
  font-family: var(--font-sans);
  font-size: 16px;
  line-height: 1.7;
  color: var(--text-main);
  background-color: var(--bg-page);
  min-height: 100vh;
  display: flex;
  flex-direction: column;
  overflow-x: hidden;
}
img {
  max-width: 100%;
  height: auto;
  display: block;
  border: 0;
}
a {
  color: var(--primary);
  text-decoration: none;
  transition: color var(--transition);
}
a:hover {
  color: var(--primary-strong);
}
a:focus-visible {
  outline: 3px solid rgba(47, 123, 234, 0.35);
  outline-offset: 2px;
  border-radius: 4px;
}
button,
input,
textarea,
select {
  font: inherit;
  color: inherit;
}
button {
  cursor: pointer;
  border: none;
  background: none;
  -webkit-tap-highlight-color: transparent;
}
button:focus-visible,
input:focus-visible,
textarea:focus-visible,
select:focus-visible {
  outline: 3px solid rgba(47, 123, 234, 0.35);
  outline-offset: 2px;
}
.container {
  max-width: var(--container-max);
  margin: 0 auto;
  padding-left: 24px;
  padding-right: 24px;
}
@media (min-width: 768px) {
  .container {
    padding-left: 32px;
    padding-right: 32px;
  }
}
/* Header */
.site-header {
  position: sticky;
  top: 0;
  z-index: 1000;
  height: var(--header-height);
  background: rgba(255, 255, 255, 0.92);
  backdrop-filter: saturate(1.4) blur(16px);
  -webkit-backdrop-filter: saturate(1.4) blur(16px);
  border-bottom: 1px solid var(--border-light);
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: 0 16px;
  transition: box-shadow var(--transition), border-color var(--transition);
}
@media (min-width: 768px) {
  .site-header {
    padding: 0 32px;
  }
}
.site-header.scrolled {
  box-shadow: 0 6px 24px rgba(0, 0, 0, 0.06);
  border-bottom-color: rgba(0, 0, 0, 0.06);
}
.header-left {
  display: flex;
  align-items: center;
  gap: 12px;
}
.logo {
  display: flex;
  align-items: center;
  gap: 10px;
  font-weight: 800;
  font-size: 20px;
  color: var(--text-main);
  letter-spacing: 0.02em;
  text-decoration: none;
  transition: opacity var(--transition);
}
.logo:hover {
  opacity: 0.82;
  color: var(--text-main);
}
.logo-mark {
  width: 36px;
  height: 36px;
  border-radius: 10px;
  background: linear-gradient(135deg, var(--primary), var(--cyan));
  display: inline-flex;
  align-items: center;
  justify-content: center;
  color: #fff;
  font-weight: 900;
  font-size: 18px;
  flex-shrink: 0;
  box-shadow: 0 4px 12px rgba(47, 123, 234, 0.28);
}
.header-right {
  display: flex;
  align-items: center;
  gap: 12px;
}
.btn-hamburger {
  width: 42px;
  height: 42px;
  border-radius: 12px;
  border: 1px solid var(--border-input);
  background: var(--bg-white);
  display: inline-flex;
  flex-direction: column;
  align-items: center;
  justify-content: center;
  gap: 4.5px;
  transition: border-color var(--transition), background var(--transition), transform var(--transition);
  position: relative;
  z-index: 1001;
}
.btn-hamburger:hover {
  border-color: var(--primary);
  background: var(--primary-soft);
  transform: translateY(-1px);
}
.btn-hamburger:active {
  transform: translateY(0);
  background: rgba(47, 123, 234, 0.18);
}
.btn-hamburger span {
  display: block;
  width: 18px;
  height: 1.8px;
  background: var(--text-main);
  border-radius: 3px;
  transition: all var(--transition);
}
.header-cta {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  padding: 10px 18px;
  border-radius: 10px;
  background: var(--primary);
  color: #fff;
  font-weight: 600;
  font-size: 14px;
  text-decoration: none;
  transition: background var(--transition), transform var(--transition), box-shadow var(--transition);
  white-space: nowrap;
}
.header-cta:hover {
  background: var(--primary-strong);
  color: #fff;
  transform: translateY(-1px);
  box-shadow: 0 8px 18px rgba(47, 123, 234, 0.28);
}
.header-cta:active {
  transform: translateY(0);
}
/* Drawer */
.drawer-overlay {
  position: fixed;
  inset: 0;
  background: rgba(15, 23, 42, 0.55);
  z-index: 1100;
  opacity: 0;
  pointer-events: none;
  transition: opacity 0.3s ease;
}
.drawer-overlay.active {
  opacity: 1;
  pointer-events: auto;
}
.drawer {
  position: fixed;
  top: 0;
  right: 0;
  width: var(--drawer-width);
  max-width: 100vw;
  height: 100vh;
  background: #fff;
  z-index: 1200;
  transform: translateX(100%);
  transition: transform 0.3s ease;
  display: flex;
  flex-direction: column;
  padding: 32px;
  box-shadow: -12px 0 40px rgba(0, 0, 0, 0.16);
  overflow-y: auto;
}
.drawer.active {
  transform: translateX(0);
}
.drawer-head {
  display: flex;
  align-items: center;
  justify-content: space-between;
  margin-bottom: 32px;
  flex-shrink: 0;
}
.drawer-head .logo {
  font-size: 18px;
}
.btn-drawer-close {
  width: 38px;
  height: 38px;
  border-radius: 10px;
  border: 1px solid var(--border-input);
  background: var(--bg-white);
  display: inline-flex;
  align-items: center;
  justify-content: center;
  font-size: 18px;
  font-weight: 300;
  color: var(--text-sub);
  transition: background var(--transition), color var(--transition);
}
.btn-drawer-close:hover {
  background: var(--primary-soft);
  color: var(--primary);
}
.drawer-nav {
  display: flex;
  flex-direction: column;
  gap: 6px;
  flex: 1;
}
.drawer-nav-item {
  display: flex;
  align-items: baseline;
  justify-content: space-between;
  padding: 12px 14px;
  border-radius: 10px;
  font-weight: 600;
  font-size: 18px;
  color: var(--text-main);
  text-decoration: none;
  transition: background var(--transition), color var(--transition);
}
.drawer-nav-item small {
  font-weight: 400;
  font-size: 13px;
  color: var(--text-mute);
  margin-left: 12px;
  letter-spacing: 0.02em;
}
.drawer-nav-item:hover {
  background: var(--primary-soft);
  color: var(--primary);
}
.drawer-nav-item:hover small {
  color: var(--primary);
}
.drawer-nav-item.active {
  background: var(--primary-soft);
  color: var(--primary);
}
.drawer-nav-item.active small {
  color: var(--primary);
}
.drawer-cta {
  margin-top: auto;
  padding-top: 24px;
  flex-shrink: 0;
}
.drawer-cta a {
  display: flex;
  align-items: center;
  justify-content: center;
  padding: 12px 20px;
  border-radius: 10px;
  background: var(--primary);
  color: #fff;
  font-weight: 600;
  font-size: 15px;
  text-decoration: none;
  transition: background var(--transition), transform var(--transition);
}
.drawer-cta a:hover {
  background: var(--primary-strong);
  color: #fff;
  transform: translateY(-1px);
}
/* Main */
main {
  flex: 1;
}
/* Category Compact Header */
.category-header {
  position: relative;
  background: linear-gradient(135deg, #EDF4FE 0%, #F8FAFD 60%, #F0FAFC 100%);
  border-bottom: 1px solid rgba(47, 123, 234, 0.12);
  padding: 48px 0 44px;
  overflow: hidden;
}
.category-header::before {
  content: '';
  position: absolute;
  top: -60px;
  right: -40px;
  width: 260px;
  height: 220px;
  background: radial-gradient(circle, rgba(37, 201, 224, 0.18) 0%, transparent 70%);
  pointer-events: none;
}
.category-header::after {
  content: '';
  position: absolute;
  bottom: -70px;
  left: 30%;
  width: 360px;
  height: 200px;
  background: radial-gradient(circle, rgba(47, 123, 234, 0.09) 0%, transparent 70%);
  pointer-events: none;
}
.category-header .container {
  position: relative;
  z-index: 1;
}
.breadcrumb {
  display: flex;
  align-items: center;
  flex-wrap: wrap;
  gap: 8px;
  font-size: 13px;
  color: var(--text-mute);
  margin-bottom: 16px;
}
.breadcrumb a {
  color: var(--text-sub);
  text-decoration: none;
  transition: color var(--transition);
}
.breadcrumb a:hover {
  color: var(--primary);
}
.breadcrumb-sep {
  color: var(--text-mute);
}
.category-header h1 {
  font-size: 32px;
  line-height: 1.3;
  font-weight: 800;
  color: var(--text-main);
  letter-spacing: 0.01em;
  margin-bottom: 10px;
}
@media (min-width: 768px) {
  .category-header h1 {
    font-size: 36px;
  }
}
.category-header-desc {
  font-size: 15px;
  color: var(--text-sub);
  max-width: 720px;
  line-height: 1.75;
}
/* Section Base */
.section {
  padding: 56px 0;
}
.section-alt {
  background: #ffffff;
  border-top: 1px solid rgba(0,0,0,0.03);
  border-bottom: 1px solid rgba(0,0,0,0.03);
}
.section-head {
  margin-bottom: 32px;
}
.section-head h2 {
  font-size: 24px;
  font-weight: 800;
  color: var(--text-main);
  letter-spacing: 0.01em;
  line-height: 1.4;
  margin-bottom: 8px;
}
@media (min-width: 768px) {
  .section-head h2 {
    font-size: 28px;
  }
}
.section-head p {
  font-size: 15px;
  color: var(--text-sub);
  max-width: 680px;
  line-height: 1.7;
}
/* Community Featured Posts */
.featured-posts-grid {
  display: grid;
  grid-template-columns: 1fr;
  gap: 20px;
}
@media (min-width: 768px) and (max-width: 1023px) {
  .featured-posts-grid {
    grid-template-columns: repeat(2, 1fr);
  }
}
@media (min-width: 1024px) {
  .featured-posts-grid {
    grid-template-columns: repeat(3, 1fr);
  }
}
.featured-post-card {
  background: var(--bg-white);
  border-radius: var(--radius-lg);
  border: 1px solid var(--border-light);
  box-shadow: var(--shadow-card);
  overflow: hidden;
  transition: transform var(--transition), box-shadow var(--transition);
}
.featured-post-card:hover {
  transform: translateY(-4px);
  box-shadow: var(--shadow-card-hover);
}
.featured-post-thumb {
  position: relative;
  aspect-ratio: 16/9;
  overflow: hidden;
  background: #e9eef6;
}
.featured-post-thumb img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  display: block;
}
.featured-post-badge {
  position: absolute;
  top: 12px;
  left: 12px;
  background: rgba(26,34,51,0.72);
  color: #fff;
  font-size: 12px;
  font-weight: 600;
  padding: 4px 10px;
  border-radius: 20px;
  letter-spacing: 0.02em;
  backdrop-filter: blur(6px);
  -webkit-backdrop-filter: blur(6px);
}
.featured-post-body {
  padding: 18px 18px 20px;
}
.featured-post-tag {
  display: inline-block;
  font-size: 12px;
  font-weight: 600;
  color: var(--primary);
  background: var(--primary-soft);
  padding: 3px 10px;
  border-radius: 20px;
  margin-bottom: 10px;
}
.featured-post-body h3 {
  font-size: 17px;
  font-weight: 700;
  line-height: 1.5;
  color: var(--text-main);
  margin-bottom: 8px;
}
.featured-post-excerpt {
  font-size: 14px;
  color: var(--text-sub);
  line-height: 1.65;
  margin-bottom: 14px;
  display: -webkit-box;
  -webkit-line-clamp: 2;
  -webkit-box-orient: vertical;
  overflow: hidden;
}
.featured-post-meta {
  display: flex;
  align-items: center;
  gap: 12px;
  font-size: 12px;
  color: var(--text-mute);
}
.featured-post-meta .meta-hot {
  color: var(--orange);
  font-weight: 600;
}
/* Stats Strip */
.stats-strip {
  background: var(--bg-white);
  border-radius: var(--radius-lg);
  border: 1px solid rgba(47, 123, 234, 0.08);
  box-shadow: var(--shadow-card);
  padding: 28px 24px;
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  gap: 20px;
}
@media (min-width: 768px) {
  .stats-strip {
    grid-template-columns: repeat(4, 1fr);
    padding: 32px 36px;
    gap: 24px;
  }
}
.stat-item {
  text-align: center;
}
.stat-number {
  font-size: 30px;
  font-weight: 800;
  color: var(--primary);
  letter-spacing: 0.01em;
  line-height: 1.2;
  margin-bottom: 6px;
}
@media (min-width: 768px) {
  .stat-number {
    font-size: 34px;
  }
}
.stat-number .unit {
  font-size: 15px;
  font-weight: 600;
  color: var(--cyan);
  margin-left: 2px;
}
.stat-label {
  font-size: 13px;
  color: var(--text-sub);
}
/* Discussion List */
.discussion-list {
  display: flex;
  flex-direction: column;
  gap: 14px;
}
.discussion-item {
  background: var(--bg-white);
  border-radius: var(--radius-md);
  border: 1px solid var(--border-light);
  box-shadow: 0 4px 14px rgba(0,0,0,0.03);
  padding: 16px 18px;
  display: flex;
  align-items: center;
  gap: 16px;
  transition: border-color var(--transition), box-shadow var(--transition), transform var(--transition);
}
.discussion-item:hover {
  border-color: rgba(47, 123, 234, 0.25);
  box-shadow: 0 10px 28px rgba(0,0,0,0.07);
  transform: translateY(-1px);
}
.discussion-index {
  width: 36px;
  height: 36px;
  border-radius: 10px;
  background: var(--primary-soft);
  color: var(--primary);
  font-weight: 700;
  font-size: 15px;
  display: flex;
  align-items: center;
  justify-content: center;
  flex-shrink: 0;
}
.discussion-content {
  flex: 1;
  min-width: 0;
}
.discussion-content h3 {
  font-size: 15px;
  font-weight: 600;
  color: var(--text-main);
  line-height: 1.5;
  margin-bottom: 4px;
  white-space: nowrap;
  overflow: hidden;
  text-overflow: ellipsis;
}
.discussion-content p {
  font-size: 13px;
  color: var(--text-sub);
  line-height: 1.5;
  white-space: nowrap;
  overflow: hidden;
  text-overflow: ellipsis;
  margin-bottom: 4px;
}
.discussion-meta {
  display: flex;
  align-items: center;
  gap: 12px;
  font-size: 12px;
  color: var(--text-mute);
  flex-wrap: wrap;
}
.discussion-meta .meta-tag {
  color: var(--cyan);
  font-weight: 600;
  font-size: 12px;
}
.discussion-meta .meta-replies {
  color: var(--orange);
  font-weight: 600;
}
.discussion-arrow {
  flex-shrink: 0;
  width: 34px;
  height: 34px;
  border-radius: 8px;
  border: 1px solid var(--border-input);
  background: var(--bg-white);
  color: var(--text-sub);
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 16px;
  transition: all var(--transition);
}
.discussion-arrow:hover {
  background: var(--primary-soft);
  color: var(--primary);
  border-color: var(--primary);
}
.view-more-wrap {
  text-align: center;
  margin-top: 24px;
}
.btn-outline {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 6px;
  padding: 11px 22px;
  border-radius: 10px;
  border: 1px solid var(--primary);
  color: var(--primary);
  font-weight: 600;
  font-size: 14px;
  text-decoration: none;
  transition: background var(--transition), color var(--transition), transform var(--transition);
}
.btn-outline:hover {
  background: var(--primary-soft);
  color: var(--primary-strong);
  transform: translateY(-1px);
}
.btn-outline:active {
  transform: translateY(0);
}
/* Topic Tags */
.topic-tags {
  display: flex;
  flex-wrap: wrap;
  gap: 10px;
}
.topic-tag {
  display: inline-flex;
  align-items: center;
  gap: 6px;
  padding: 8px 16px;
  border-radius: 24px;
  font-size: 13px;
  font-weight: 500;
  background: var(--bg-white);
  border: 1px solid var(--border-input);
  color: var(--text-sub);
  transition: border-color var(--transition), color var(--transition), background var(--transition), transform var(--transition);
}
.topic-tag:hover {
  border-color: var(--primary);
  color: var(--primary);
  background: var(--primary-soft);
  transform: translateY(-1px);
}
.topic-tag .tag-count {
  font-weight: 700;
  color: var(--primary);
}
/* Weekly Spotlight */
.weekly-spotlight {
  background: linear-gradient(135deg, #F8FAFE 0%, #FAFCFE 50%, #F5FBFD 100%);
  border-radius: var(--radius-xl);
  border: 1px solid rgba(37, 201, 224, 0.16);
  padding: 28px 24px;
  display: grid;
  grid-template-columns: 1fr;
  gap: 24px;
  align-items: center;
}
@media (min-width: 768px) {
  .weekly-spotlight {
    grid-template-columns: 1.2fr 0.8fr;
    padding: 36px 40px;
    gap: 36px;
  }
}
.weekly-spotlight-text h3 {
  font-size: 20px;
  font-weight: 800;
  color: var(--text-main);
  margin-bottom: 10px;
}
.weekly-spotlight-text p {
  font-size: 14px;
  color: var(--text-sub);
  line-height: 1.7;
  margin-bottom: 16px;
}
.weekly-spotlight-text ul {
  list-style: none;
  display: flex;
  flex-direction: column;
  gap: 8px;
  margin-bottom: 16px;
}
.weekly-spotlight-text ul li {
  font-size: 14px;
  color: var(--text-sub);
  padding-left: 24px;
  position: relative;
}
.weekly-spotlight-text ul li::before {
  content: '';
  position: absolute;
  left: 0;
  top: 8px;
  width: 10px;
  height: 10px;
  border-radius: 50%;
  background: var(--cyan);
  opacity: 0.8;
}
.weekly-spotlight-visual {
  display: flex;
  align-items: center;
  justify-content: center;
}
.spotlight-img-wrap {
  width: 100%;
  max-width: 380px;
  border-radius: var(--radius-lg);
  overflow: hidden;
  box-shadow: 0 12px 28px rgba(0,0,0,0.08);
}
.spotlight-img-wrap img {
  width: 100%;
  height: auto;
  object-fit: cover;
  aspect-ratio: 4/3;
}
/* FAQ */
.faq-list {
  display: flex;
  flex-direction: column;
  gap: 12px;
}
.faq-item {
  background: var(--bg-white);
  border-radius: var(--radius-md);
  border: 1px solid var(--border-light);
  box-shadow: 0 4px 16px rgba(0,0,0,0.03);
  overflow: hidden;
  transition: border-color var(--transition), box-shadow var(--transition);
}
.faq-item:hover {
  border-color: rgba(47, 123, 234, 0.2);
  box-shadow: 0 8px 26px rgba(0,0,0,0.06);
}
.faq-question {
  width: 100%;
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 14px;
  padding: 18px 20px;
  text-align: left;
  cursor: pointer;
  transition: background var(--transition);
}
.faq-question:hover {
  background: var(--primary-softer);
}
.faq-question h3 {
  font-size: 15px;
  font-weight: 600;
  color: var(--text-main);
  line-height: 1.5;
  flex: 1;
}
.faq-icon {
  width: 26px;
  height: 26px;
  border-radius: 8px;
  background: var(--primary-soft);
  color: var(--primary);
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 16px;
  font-weight: 700;
  flex-shrink: 0;
  transition: transform var(--transition), background var(--transition), color var(--transition);
}
.faq-item.open .faq-icon {
  transform: rotate(45deg);
  background: var(--primary);
  color: #fff;
}
.faq-answer {
  max-height: 0;
  overflow: hidden;
  transition: max-height 0.35s ease, padding 0.35s ease;
}
.faq-answer-inner {
  padding: 0 20px 20px;
  font-size: 14px;
  color: var(--text-sub);
  line-height: 1.75;
}
.faq-item.open .faq-answer {
  max-height: 300px;
}
/* CTA */
.cta-section {
  background: linear-gradient(135deg, #EDF4FE 0%, #E8F8FB 100%);
  border-radius: var(--radius-xl);
  padding: 40px 24px;
  text-align: center;
  border: 1px solid rgba(47, 123, 234, 0.12);
}
.cta-section h2 {
  font-size: 24px;
  font-weight: 800;
  color: var(--text-main);
  margin-bottom: 10px;
}
.cta-section p {
  font-size: 15px;
  color: var(--text-sub);
  max-width: 560px;
  margin: 0 auto 20px;
  line-height: 1.7;
}
.cta-actions {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  justify-content: center;
  gap: 12px;
}
.btn-primary {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  padding: 12px 24px;
  border-radius: 10px;
  background: var(--primary);
  color: #fff;
  font-weight: 600;
  font-size: 15px;
  text-decoration: none;
  transition: background var(--transition), transform var(--transition), box-shadow var(--transition);
}
.btn-primary:hover {
  background: var(--primary-strong);
  color: #fff;
  transform: translateY(-1px);
  box-shadow: 0 10px 22px rgba(47, 123, 234, 0.28);
}
.btn-primary:active {
  transform: translateY(0);
}
/* Footer */
.site-footer {
  background: var(--bg-footer);
  color: rgba(255,255,255,0.75);
  padding: 48px 0 24px;
  margin-top: auto;
}
.site-footer .footer-grid {
  display: grid;
  grid-template-columns: 1fr;
  gap: 32px;
  padding-bottom: 32px;
  border-bottom: 1px solid rgba(255,255,255,0.08);
}
@media (min-width: 768px) {
  .site-footer .footer-grid {
    grid-template-columns: 1.5fr 1fr 1fr 1fr;
    gap: 36px;
  }
}
.footer-brand .footer-logo {
  display: flex;
  align-items: center;
  gap: 8px;
  font-weight: 800;
  font-size: 18px;
  color: #fff;
  margin-bottom: 12px;
}
.footer-brand p {
  font-size: 13px;
  line-height: 1.7;
  color: rgba(255,255,255,0.65);
  margin-top: 0;
}
.footer-col h3 {
  font-size: 15px;
  font-weight: 600;
  color: #fff;
  margin-bottom: 14px;
  letter-spacing: 0.02em;
}
.footer-col ul {
  list-style: none;
  display: flex;
  flex-direction: column;
  gap: 8px;
}
.footer-col ul a {
  color: rgba(255,255,255,0.65);
  font-size: 13px;
  text-decoration: none;
  transition: color var(--transition);
}
.footer-col ul a:hover {
  color: #fff;
}
.footer-bottom {
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: 10px;
  padding-top: 20px;
  text-align: center;
  font-size: 12px;
  color: rgba(255,255,255,0.55);
}
@media (min-width: 768px) {
  .footer-bottom {
    flex-direction: row;
    justify-content: space-between;
    align-items: center;
    text-align: left;
  }
}
.footer-legal {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  justify-content: center;
  gap: 8px;
}
.footer-legal a {
  color: rgba(255,255,255,0.65);
  text-decoration: none;
  transition: color var(--transition);
}
.footer-legal a:hover {
  color: #fff;
}
.footer-legal .legal-sep {
  color: rgba(255,255,255,0.35);
}
/* Responsive */
@media (max-width: 767px) {
  .section {
    padding: 40px 0;
  }
  .category-header {
    padding: 36px 0 32px;
  }
  .category-header h1 {
    font-size: 26px;
  }
  .section-head h2 {
    font-size: 22px;
  }
  .featured-posts-grid {
    grid-template-columns: 1fr;
  }
  .discussion-item {
    padding: 14px 14px;
    gap: 12px;
  }
  .stats-strip {
    grid-template-columns: repeat(2, 1fr);
    padding: 20px 16px;
  }
  .stat-number {
    font-size: 26px;
  }
  .weekly-spotlight {
    grid-template-columns: 1fr;
    padding: 24px 18px;
  }
  .cta-section {
    padding: 28px 18px;
  }
  .header-cta {
    padding: 8px 14px;
    font-size: 13px;
  }
  .drawer {
    padding: 20px;
  }
  .drawer-nav-item {
    font-size: 17px;
    padding: 10px 12px;
  }
}
@media (min-width: 768px) and (max-width: 1023px) {
  .stats-strip {
    grid-template-columns: repeat(4, 1fr);
    padding: 24px 20px;
  }
  .stat-number {
    font-size: 28px;
  }
  .category-header h1 {
    font-size: 32px;
  }
}