/* roulang page: index */
:root {
            --brand: #1B6EC2;
            --brand-dark: #175EA8;
            --brand-light: #3E8BD4;
            --brand-soft: rgba(27, 110, 194, 0.08);
            --brand-ring: rgba(27, 110, 194, 0.25);
            --grass: #2E8B57;
            --grass-light: #3CA56D;
            --grass-soft: rgba(46, 139, 87, 0.12);
            --ink: #1A1D23;
            --muted: #4B5563;
            --soft: #8A94A6;
            --line: #E3E8EF;
            --paper: #FFFFFF;
            --bg: #F7F9FC;
            --card-radius: 12px;
            --btn-radius: 8px;
            --shadow-card: 0 4px 14px rgba(23, 94, 168, 0.08);
            --shadow-hover: 0 10px 28px rgba(23, 94, 168, 0.15);
            --transition: all 0.22s ease;
            --sidebar-w: 264px;
        }
        *,
        *::before,
        *::after {
            box-sizing: border-box;
            margin: 0;
            padding: 0;
        }
        html {
            scroll-behavior: smooth;
            -webkit-text-size-adjust: 100%;
        }
        body {
            font-family: 'system-ui', '-apple-system', 'PingFang SC', 'Microsoft YaHei', 'Noto Sans CJK SC', sans-serif;
            color: var(--ink);
            background: var(--bg);
            line-height: 1.6;
            font-size: 15px;
            min-height: 100vh;
        }
        img {
            max-width: 100%;
            height: auto;
            display: block;
        }
        a {
            color: inherit;
            text-decoration: none;
            transition: var(--transition);
        }
        button,
        input {
            font-family: inherit;
            font-size: inherit;
            border: none;
            outline: none;
            background: none;
        }
        button {
            cursor: pointer;
        }
        :focus-visible {
            outline: 3px solid var(--brand-ring);
            outline-offset: 2px;
        }
        .app-shell {
            display: flex;
            min-height: 100vh;
        }
        .sidebar {
            position: fixed;
            left: 0;
            top: 0;
            bottom: 0;
            width: var(--sidebar-w);
            background: #FFFFFF;
            border-right: 1px solid #E3E8EF;
            z-index: 50;
            display: flex;
            flex-direction: column;
            transition: transform 0.3s ease;
            overflow-y: auto;
            box-shadow: var(--shadow-card);
        }
        .main-area {
            margin-left: var(--sidebar-w);
            flex: 1;
            min-width: 0;
            display: flex;
            flex-direction: column;
            background: var(--bg);
        }
        .logo-block {
            padding: 22px 20px 18px;
            border-bottom: 1px solid #E3E8EF;
            flex-shrink: 0;
        }
        .logo-link {
            display: flex;
            align-items: center;
            gap: 10px;
            font-weight: 700;
            font-size: 20px;
            color: var(--brand);
            letter-spacing: 0.5px;
        }
        .logo-icon {
            width: 34px;
            height: 34px;
            border-radius: 10px;
            background: var(--brand);
            color: #fff;
            display: flex;
            align-items: center;
            justify-content: center;
            font-weight: 800;
            font-size: 16px;
            flex-shrink: 0;
            box-shadow: 0 4px 10px rgba(27, 110, 194, 0.3);
        }
        .nav-section {
            flex: 1;
            padding: 16px 12px;
            overflow-y: auto;
        }
        .nav-link {
            display: flex;
            align-items: center;
            gap: 10px;
            padding: 10px 14px;
            border-radius: 8px;
            color: #4B5563;
            font-size: 15px;
            font-weight: 500;
            margin-bottom: 4px;
            position: relative;
            transition: var(--transition);
            letter-spacing: 0.3px;
        }
        .nav-link:hover {
            background: var(--brand-soft);
            color: var(--brand);
        }
        .nav-link.active {
            background: var(--brand-soft);
            color: var(--brand);
            font-weight: 700;
        }
        .nav-link.active::before {
            content: '';
            position: absolute;
            left: -12px;
            top: 50%;
            transform: translateY(-50%);
            width: 3px;
            height: 28px;
            border-radius: 0 4px 4px 0;
            background: var(--brand);
        }
        .nav-link .nav-dot {
            width: 20px;
            text-align: center;
            flex-shrink: 0;
            font-size: 16px;
        }
        .sidebar-footer {
            padding: 16px 20px;
            border-top: 1px solid #E3E8EF;
            flex-shrink: 0;
        }
        .sidebar-footer a {
            display: block;
            color: #8A94A6;
            font-size: 13px;
            padding: 6px 0;
            transition: var(--transition);
        }
        .sidebar-footer a:hover {
            color: var(--brand);
        }
        .mobile-topbar {
            display: none;
            position: fixed;
            top: 0;
            left: 0;
            right: 0;
            z-index: 60;
            background: rgba(255, 255, 255, 0.96);
            backdrop-filter: blur(12px);
            -webkit-backdrop-filter: blur(12px);
            border-bottom: 1px solid #E3E8EF;
            padding: 12px 16px;
            align-items: center;
            justify-content: space-between;
            box-shadow: 0 2px 12px rgba(23, 94, 168, 0.08);
        }
        .hamburger {
            width: 40px;
            height: 40px;
            border-radius: 8px;
            background: var(--bg);
            display: flex;
            flex-direction: column;
            align-items: center;
            justify-content: center;
            gap: 5px;
            transition: var(--transition);
        }
        .hamburger span {
            display: block;
            width: 20px;
            height: 2px;
            border-radius: 2px;
            background: var(--muted);
            transition: var(--transition);
        }
        .drawer-overlay {
            position: fixed;
            inset: 0;
            background: rgba(26, 29, 35, 0.45);
            z-index: 55;
            display: none;
            backdrop-filter: blur(2px);
        }
        .drawer-overlay.open {
            display: block;
        }
        .section {
            padding: 56px 44px;
            background: #FFFFFF;
        }
        .section-alt {
            background: #F7F9FC;
        }
        .section-flush {
            background: #FFFFFF;
        }
        .container-inner {
            max-width: 1100px;
            margin: 0 auto;
        }
        .h2 {
            font-size: 26px;
            font-weight: 700;
            color: #1A1D23;
            letter-spacing: 0.5px;
            margin-bottom: 8px;
            display: flex;
            align-items: center;
            gap: 12px;
        }
        .h2::before {
            content: '';
            display: inline-block;
            width: 4px;
            height: 24px;
            border-radius: 4px;
            background: var(--brand);
            flex-shrink: 0;
        }
        .subtitle {
            font-size: 15px;
            color: #4B5563;
            margin-bottom: 30px;
            max-width: 740px;
            line-height: 1.8;
        }
        .btn {
            display: inline-flex;
            align-items: center;
            justify-content: center;
            gap: 6px;
            padding: 12px 26px;
            border-radius: var(--btn-radius);
            font-weight: 600;
            font-size: 15px;
            transition: var(--transition);
            letter-spacing: 0.3px;
            white-space: nowrap;
        }
        .btn-primary {
            background: var(--brand);
            color: #FFFFFF;
            box-shadow: 0 4px 12px rgba(27, 110, 194, 0.25);
        }
        .btn-primary:hover {
            background: var(--brand-dark);
            box-shadow: 0 6px 20px rgba(23, 94, 168, 0.35);
            transform: translateY(-1px);
        }
        .btn-primary:active {
            transform: translateY(1px);
            box-shadow: 0 2px 8px rgba(23, 94, 168, 0.2);
        }
        .btn-outline {
            border: 1px solid #D0D7E2;
            background: #FFFFFF;
            color: #1A1D23;
        }
        .btn-outline:hover {
            border-color: var(--brand);
            color: var(--brand);
            background: var(--brand-soft);
        }
        .btn-sm {
            padding: 8px 16px;
            font-size: 14px;
        }
        .card {
            background: #FFFFFF;
            border-radius: var(--card-radius);
            box-shadow: var(--shadow-card);
            border: 1px solid #E3E8EF;
            transition: var(--transition);
            overflow: hidden;
        }
        .card:hover {
            box-shadow: var(--shadow-hover);
            transform: translateY(-2px);
            border-color: #D0D7E2;
        }
        .badge {
            display: inline-flex;
            align-items: center;
            gap: 4px;
            padding: 3px 12px;
            border-radius: 999px;
            font-size: 12px;
            font-weight: 600;
            letter-spacing: 0.2px;
            line-height: 1.5;
        }
        .badge-live {
            background: #FEF2F2;
            color: #DC2626;
            border: 1px solid #FECACA;
        }
        .badge-upcoming {
            background: #EFF6FF;
            color: #1D4ED8;
            border: 1px solid #BFDBFE;
        }
        .badge-done {
            background: #F3F4F6;
            color: #6B7280;
            border: 1px solid #E5E7EB;
        }
        .badge-green {
            background: var(--grass-soft);
            color: var(--grass);
            border: 1px solid rgba(46, 139, 87, 0.25);
        }
        .stat-number {
            font-size: 36px;
            font-weight: 800;
            color: var(--brand);
            line-height: 1.2;
            letter-spacing: -0.5px;
        }
        .stat-label {
            font-size: 14px;
            color: #4B5563;
            margin-top: 4px;
        }
        .divider {
            height: 1px;
            background: #E3E8EF;
            width: 100%;
            margin: 12px 0;
        }
        .faq-item {
            border-bottom: 1px solid #E3E8EF;
            transition: var(--transition);
        }
        .faq-toggle {
            width: 100%;
            display: flex;
            align-items: center;
            justify-content: space-between;
            padding: 18px 0;
            text-align: left;
            font-size: 16px;
            font-weight: 500;
            color: #1A1D23;
            letter-spacing: 0.3px;
            transition: var(--transition);
        }
        .faq-toggle:hover {
            color: var(--brand);
        }
        .faq-toggle .faq-icon {
            width: 28px;
            height: 28px;
            border-radius: 50%;
            border: 1.5px solid #D0D7E2;
            display: flex;
            align-items: center;
            justify-content: center;
            font-size: 18px;
            color: #4B5563;
            transition: var(--transition);
            flex-shrink: 0;
        }
        .faq-answer {
            max-height: 0;
            overflow: hidden;
            transition: max-height 0.35s ease;
        }
        .faq-answer-inner {
            padding: 0 0 20px;
            color: #4B5563;
            font-size: 14px;
            line-height: 1.8;
        }
        .faq-item.open .faq-toggle .faq-icon {
            border-color: var(--brand);
            color: var(--brand);
            transform: rotate(45deg);
        }
        .footer {
            background: #162033;
            color: #E5E7EB;
            padding: 44px 36px 28px;
        }
        .footer-grid {
            display: grid;
            grid-template-columns: 2fr 1fr 1fr;
            gap: 32px;
            max-width: 1100px;
            margin: 0 auto;
        }
        .footer h3 {
            font-size: 16px;
            font-weight: 600;
            color: #FFFFFF;
            margin-bottom: 14px;
            letter-spacing: 0.3px;
        }
        .footer p,
        .footer a {
            font-size: 14px;
            color: #9CA3AF;
            line-height: 1.8;
        }
        .footer a:hover {
            color: #FFFFFF;
        }
        .footer-copy {
            max-width: 1100px;
            margin: 28px auto 0;
            padding-top: 20px;
            border-top: 1px solid rgba(255, 255, 255, 0.12);
            font-size: 13px;
            color: #6B7280;
            text-align: center;
        }
        .match-row {
            display: flex;
            align-items: center;
            justify-content: space-between;
            padding: 10px 0;
            border-bottom: 1px solid #F0F2F5;
            font-size: 14px;
        }
        .match-row:last-child {
            border-bottom: none;
        }
        .topic-card {
            display: flex;
            align-items: flex-start;
            gap: 16px;
            background: #FFFFFF;
            border-radius: var(--card-radius);
            padding: 18px 20px;
            border: 1px solid #E3E8EF;
            box-shadow: var(--shadow-card);
            transition: var(--transition);
        }
        .topic-card:hover {
            box-shadow: var(--shadow-hover);
            transform: translateY(-2px);
        }
        .step-circle {
            width: 44px;
            height: 44px;
            border-radius: 50%;
            background: var(--brand-soft);
            color: var(--brand);
            display: flex;
            align-items: center;
            justify-content: center;
            font-weight: 700;
            font-size: 18px;
            flex-shrink: 0;
            border: 2px solid rgba(27, 110, 194, 0.25);
        }
        .partner-block {
            background: #FFFFFF;
            border: 1px solid #E3E8EF;
            border-radius: 10px;
            padding: 14px 18px;
            text-align: center;
            font-size: 14px;
            color: #4B5563;
            font-weight: 500;
            letter-spacing: 0.3px;
            box-shadow: 0 2px 8px rgba(23, 94, 168, 0.04);
        }
        @media (max-width: 1024px) {
            .sidebar {
                width: 232px;
            }
            .main-area {
                margin-left: 232px;
            }
            .section {
                padding: 44px 28px;
            }
        }
        @media (max-width: 768px) {
            .sidebar {
                transform: translateX(-100%);
                width: 280px;
            }
            .sidebar.open {
                transform: translateX(0);
            }
            .main-area {
                margin-left: 0;
                padding-top: 64px;
            }
            .mobile-topbar {
                display: flex;
            }
            .section {
                padding: 36px 18px;
            }
            .h2 {
                font-size: 22px;
            }
            .footer-grid {
                grid-template-columns: 1fr;
                gap: 24px;
            }
            .footer {
                padding: 32px 20px 20px;
            }
            .stat-number {
                font-size: 28px;
            }
            .container-inner {
                max-width: 100%;
            }
        }
        @media (max-width: 520px) {
            .section {
                padding: 28px 14px;
            }
            .h2 {
                font-size: 20px;
            }
            .btn {
                padding: 10px 18px;
                font-size: 14px;
            }
            .stat-number {
                font-size: 24px;
            }
            .step-circle {
                width: 36px;
                height: 36px;
                font-size: 15px;
            }
        }
        .hero-bg {
            background: linear-gradient(135deg, rgba(255, 255, 255, 0.92) 0%, rgba(247, 249, 252, 0.86) 40%, rgba(27, 110, 194, 0.06) 100%);
            position: relative;
            overflow: hidden;
        }
        .hero-bg::before {
            content: '';
            position: absolute;
            inset: 0;
            background: url('/assets/images/48fc99d1eba85cc1.webp') center/cover no-repeat;
            opacity: 0.14;
            z-index: 0;
            pointer-events: none;
        }
        .hero-inner {
            position: relative;
            z-index: 1;
        }
        .data-panel {
            background: rgba(255, 255, 255, 0.92);
            backdrop-filter: blur(8px);
            -webkit-backdrop-filter: blur(8px);
            border: 1px solid #E3E8EF;
            border-radius: var(--card-radius);
            box-shadow: var(--shadow-card);
            padding: 20px 22px;
        }
        .data-panel-title {
            font-size: 14px;
            font-weight: 600;
            color: #4B5563;
            margin-bottom: 12px;
            display: flex;
            align-items: center;
            gap: 8px;
        }

/* roulang page: category2 */
:root {
            --brand: #1B6EC2;
            --brand-dark: #175EA8;
            --brand-light: #3E8BD4;
            --brand-soft: rgba(27, 110, 194, 0.08);
            --brand-ring: rgba(27, 110, 194, 0.25);
            --grass: #2E8B57;
            --grass-light: #3CA56D;
            --grass-soft: rgba(46, 139, 87, 0.12);
            --ink: #1A1D23;
            --muted: #4B5563;
            --soft: #8A94A6;
            --line: #E3E8EF;
            --paper: #FFFFFF;
            --bg: #F7F9FC;
            --card-radius: 12px;
            --btn-radius: 8px;
            --shadow-card: 0 4px 14px rgba(23, 94, 168, 0.08);
            --shadow-hover: 0 10px 28px rgba(23, 94, 168, 0.15);
            --transition: all 0.22s ease;
            --sidebar-w: 264px;
        }

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

        body {
            font-family: 'system-ui', '-apple-system', 'PingFang SC', 'Microsoft YaHei', 'Noto Sans CJK SC', sans-serif;
            color: var(--ink);
            background: var(--bg);
            line-height: 1.6;
            font-size: 15px;
            min-height: 100vh;
            margin: 0;
            padding: 0;
            overflow-x: hidden;
        }

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

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

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

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

        button,
        input,
        textarea,
        select {
            font-family: inherit;
            font-size: inherit;
            border: none;
            outline: none;
            background: none;
        }

        button {
            cursor: pointer;
        }

        .sidebar {
            position: fixed;
            top: 0;
            left: 0;
            bottom: 0;
            width: var(--sidebar-w);
            background: #FFFFFF;
            border-right: 1px solid var(--line);
            display: flex;
            flex-direction: column;
            z-index: 50;
            box-shadow: 2px 0 12px rgba(23, 94, 168, 0.04);
        }

        .main-area {
            margin-left: var(--sidebar-w);
            flex: 1;
            min-width: 0;
            display: flex;
            flex-direction: column;
            background: var(--bg);
            min-height: 100vh;
        }

        .logo-block {
            padding: 22px 20px 18px;
            border-bottom: 1px solid var(--line);
            flex-shrink: 0;
        }

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

        .logo-icon {
            width: 34px;
            height: 34px;
            border-radius: 10px;
            background: var(--brand);
            color: #fff;
            display: flex;
            align-items: center;
            justify-content: center;
            font-weight: 800;
            font-size: 16px;
            flex-shrink: 0;
            box-shadow: 0 4px 10px rgba(27, 110, 194, 0.3);
        }

        .nav-section {
            flex: 1;
            padding: 16px 12px;
            overflow-y: auto;
        }

        .nav-link {
            display: flex;
            align-items: center;
            gap: 10px;
            padding: 10px 14px;
            border-radius: 8px;
            color: var(--muted);
            font-size: 15px;
            font-weight: 500;
            margin-bottom: 4px;
            position: relative;
            transition: var(--transition);
            letter-spacing: 0.3px;
        }

        .nav-link:hover {
            background: var(--brand-soft);
            color: var(--brand);
        }

        .nav-link.active {
            background: var(--brand-soft);
            color: var(--brand);
            font-weight: 700;
        }

        .nav-link.active::before {
            content: '';
            position: absolute;
            left: -12px;
            top: 50%;
            transform: translateY(-50%);
            width: 3px;
            height: 28px;
            border-radius: 0 4px 4px 0;
            background: var(--brand);
        }

        .nav-link .nav-dot {
            width: 20px;
            text-align: center;
            flex-shrink: 0;
            font-size: 16px;
        }

        .sidebar-footer {
            padding: 16px 20px;
            border-top: 1px solid var(--line);
            flex-shrink: 0;
        }

        .sidebar-footer a {
            display: block;
            color: var(--soft);
            font-size: 13px;
            padding: 6px 0;
            transition: var(--transition);
        }

        .sidebar-footer a:hover {
            color: var(--brand);
        }

        .mobile-topbar {
            display: none;
            position: fixed;
            top: 0;
            left: 0;
            right: 0;
            z-index: 60;
            background: rgba(255, 255, 255, 0.96);
            backdrop-filter: blur(12px);
            -webkit-backdrop-filter: blur(12px);
            border-bottom: 1px solid var(--line);
            padding: 12px 16px;
            align-items: center;
            justify-content: space-between;
            box-shadow: 0 2px 12px rgba(23, 94, 168, 0.08);
        }

        .hamburger {
            width: 40px;
            height: 40px;
            border-radius: 8px;
            background: var(--bg);
            display: flex;
            flex-direction: column;
            align-items: center;
            justify-content: center;
            gap: 5px;
            transition: var(--transition);
        }

        .hamburger span {
            display: block;
            width: 20px;
            height: 2px;
            border-radius: 2px;
            background: var(--muted);
            transition: var(--transition);
        }

        .drawer-overlay {
            position: fixed;
            inset: 0;
            background: rgba(26, 29, 35, 0.45);
            z-index: 55;
            display: none;
            backdrop-filter: blur(2px);
            -webkit-backdrop-filter: blur(2px);
        }

        .drawer-overlay.open {
            display: block;
        }

        .section {
            padding: 48px 44px;
            background: #FFFFFF;
        }

        .section-alt {
            background: #F7F9FC;
        }

        .container-inner {
            max-width: 1100px;
            margin: 0 auto;
        }

        .subtitle {
            font-size: 15px;
            color: var(--muted);
            margin-bottom: 30px;
            max-width: 740px;
            line-height: 1.8;
        }

        .btn {
            display: inline-flex;
            align-items: center;
            justify-content: center;
            gap: 6px;
            padding: 11px 24px;
            border-radius: var(--btn-radius);
            font-size: 14px;
            font-weight: 600;
            transition: var(--transition);
            letter-spacing: 0.3px;
            border: 1px solid transparent;
        }

        .btn-primary {
            background: var(--brand);
            color: #fff;
            box-shadow: 0 4px 12px rgba(27, 110, 194, 0.25);
        }

        .btn-primary:hover {
            background: var(--brand-dark);
            color: #fff;
            box-shadow: 0 6px 18px rgba(27, 110, 194, 0.32);
            transform: translateY(-1px);
        }

        .btn-primary:active {
            transform: translateY(1px);
            box-shadow: 0 2px 8px rgba(27, 110, 194, 0.2);
        }

        .btn-primary:focus-visible {
            outline: 3px solid var(--brand-ring);
            outline-offset: 2px;
        }

        .btn-outline {
            background: transparent;
            border-color: #D0D7E2;
            color: var(--muted);
        }

        .btn-outline:hover {
            border-color: var(--brand);
            color: var(--brand);
            background: var(--brand-soft);
        }

        .btn-outline:focus-visible {
            outline: 3px solid var(--brand-ring);
            outline-offset: 2px;
        }

        .page-header {
            background: linear-gradient(180deg, #F7F9FC 0%, #FFFFFF 100%);
            padding: 32px 44px 24px;
            border-bottom: 1px solid var(--line);
        }

        .breadcrumb {
            display: flex;
            align-items: center;
            gap: 6px;
            font-size: 13px;
            color: var(--soft);
            margin-bottom: 16px;
            flex-wrap: wrap;
        }

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

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

        .breadcrumb .separator {
            color: #C9D2DC;
            font-size: 12px;
        }

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

        .page-header h1 {
            font-size: 30px;
            font-weight: 700;
            color: var(--ink);
            margin-bottom: 10px;
            letter-spacing: 0.5px;
        }

        .page-header .page-desc {
            font-size: 14px;
            color: var(--muted);
            max-width: 680px;
            line-height: 1.7;
            margin-bottom: 0;
        }

        .section-title {
            font-size: 24px;
            font-weight: 700;
            color: var(--ink);
            margin-bottom: 12px;
            letter-spacing: 0.3px;
        }

        .section-title .accent {
            color: var(--brand);
        }

        .card {
            background: var(--paper);
            border: 1px solid var(--line);
            border-radius: var(--card-radius);
            box-shadow: var(--shadow-card);
            transition: var(--transition);
            overflow: hidden;
        }

        .card:hover {
            box-shadow: var(--shadow-hover);
            transform: translateY(-2px);
            border-color: rgba(27, 110, 194, 0.2);
        }

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

        .news-card {
            display: flex;
            flex-direction: column;
            padding: 0;
        }

        .news-card .news-img {
            width: 100%;
            height: 200px;
            overflow: hidden;
            border-radius: var(--card-radius) var(--card-radius) 0 0;
            background: #E8EDF4;
        }

        .news-card .news-img img {
            width: 100%;
            height: 100%;
            object-fit: cover;
            transition: transform 0.5s ease;
        }

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

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

        .news-card .news-tag {
            display: inline-block;
            padding: 3px 10px;
            border-radius: 999px;
            background: var(--grass-soft);
            color: var(--grass);
            font-size: 12px;
            font-weight: 600;
            letter-spacing: 0.3px;
            margin-bottom: 10px;
            align-self: flex-start;
        }

        .news-card .news-title {
            font-size: 17px;
            font-weight: 600;
            color: var(--ink);
            line-height: 1.5;
            margin-bottom: 8px;
        }

        .news-card .news-summary {
            font-size: 14px;
            color: var(--muted);
            line-height: 1.7;
            margin-bottom: 12px;
        }

        .news-card .news-meta {
            display: flex;
            align-items: center;
            gap: 12px;
            font-size: 12px;
            color: var(--soft);
            margin-top: auto;
        }

        .news-card .news-meta .dot {
            width: 4px;
            height: 4px;
            border-radius: 50%;
            background: #C9D2DC;
        }

        .special-topic-grid {
            display: grid;
            grid-template-columns: repeat(3, 1fr);
            gap: 18px;
            margin-top: 20px;
        }

        .topic-card {
            background: var(--paper);
            border: 1px solid var(--line);
            border-radius: var(--card-radius);
            padding: 22px 20px;
            transition: var(--transition);
            box-shadow: var(--shadow-card);
            min-height: 200px;
            display: flex;
            flex-direction: column;
            position: relative;
            overflow: hidden;
        }

        .topic-card:hover {
            box-shadow: var(--shadow-hover);
            transform: translateY(-2px);
            border-color: rgba(27, 110, 194, 0.2);
        }

        .topic-card::before {
            content: '';
            position: absolute;
            top: 0;
            left: 0;
            right: 0;
            height: 4px;
            background: linear-gradient(90deg, var(--brand), var(--grass-light));
            border-radius: var(--card-radius) var(--card-radius) 0 0;
        }

        .topic-card .topic-label {
            font-size: 12px;
            font-weight: 600;
            color: var(--brand);
            letter-spacing: 0.5px;
            margin-bottom: 8px;
        }

        .topic-card .topic-title {
            font-size: 17px;
            font-weight: 700;
            color: var(--ink);
            line-height: 1.4;
            margin-bottom: 10px;
        }

        .topic-card .topic-desc {
            font-size: 14px;
            color: var(--muted);
            line-height: 1.7;
        }

        .stats-bar {
            display: grid;
            grid-template-columns: repeat(4, 1fr);
            gap: 16px;
            background: linear-gradient(135deg, var(--brand-soft) 0%, var(--grass-soft) 100%);
            border-radius: var(--card-radius);
            padding: 26px 24px;
            margin-top: 20px;
        }

        .stat-item {
            text-align: center;
        }

        .stat-item .stat-num {
            font-size: 28px;
            font-weight: 800;
            color: var(--brand);
            letter-spacing: 0.5px;
            line-height: 1.2;
        }

        .stat-item .stat-label {
            font-size: 13px;
            color: var(--muted);
            margin-top: 4px;
            font-weight: 500;
        }

        .resource-list {
            display: grid;
            grid-template-columns: repeat(3, 1fr);
            gap: 16px;
            margin-top: 20px;
        }

        .resource-item {
            background: var(--paper);
            border: 1px solid var(--line);
            border-radius: var(--card-radius);
            padding: 20px 18px;
            display: flex;
            align-items: flex-start;
            gap: 12px;
            transition: var(--transition);
            box-shadow: var(--shadow-card);
        }

        .resource-item:hover {
            box-shadow: var(--shadow-hover);
            transform: translateY(-1px);
            border-color: rgba(27, 110, 194, 0.18);
        }

        .resource-item .resource-icon {
            width: 38px;
            height: 38px;
            border-radius: 10px;
            background: var(--brand-soft);
            display: flex;
            align-items: center;
            justify-content: center;
            font-size: 18px;
            flex-shrink: 0;
        }

        .resource-item .resource-name {
            font-size: 14px;
            font-weight: 700;
            color: var(--ink);
            margin-bottom: 4px;
        }

        .resource-item .resource-desc {
            font-size: 13px;
            color: var(--muted);
            line-height: 1.6;
        }

        .faq-list {
            margin-top: 20px;
            border-top: 1px solid var(--line);
        }

        .faq-item {
            border-bottom: 1px solid var(--line);
            padding: 18px 0;
        }

        .faq-question {
            display: flex;
            align-items: center;
            justify-content: space-between;
            gap: 16px;
            cursor: pointer;
            font-size: 16px;
            font-weight: 500;
            color: var(--ink);
            letter-spacing: 0.3px;
            user-select: none;
            min-height: 52px;
            transition: color 0.2s ease;
        }

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

        .faq-question .faq-icon {
            flex-shrink: 0;
            width: 28px;
            height: 28px;
            border-radius: 50%;
            border: 1.5px solid var(--brand);
            display: flex;
            align-items: center;
            justify-content: center;
            font-size: 16px;
            color: var(--brand);
            font-weight: 700;
            transition: var(--transition);
        }

        .faq-item.open .faq-icon {
            background: var(--brand);
            color: #fff;
        }

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

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

        .faq-answer p {
            font-size: 14px;
            color: var(--muted);
            line-height: 1.7;
            padding: 0 0 6px 0;
            margin: 0;
        }

        .cta-box {
            background: linear-gradient(135deg, var(--brand) 0%, var(--brand-dark) 100%);
            border-radius: var(--card-radius);
            padding: 38px 32px;
            display: flex;
            align-items: center;
            justify-content: space-between;
            gap: 24px;
            flex-wrap: wrap;
            margin-top: 20px;
        }

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

        .cta-box .cta-text h2 {
            font-size: 20px;
            font-weight: 700;
            color: #fff;
            margin-bottom: 8px;
            letter-spacing: 0.5px;
        }

        .cta-box .cta-text p {
            font-size: 14px;
            color: rgba(255, 255, 255, 0.85);
            margin: 0;
            line-height: 1.7;
        }

        .cta-box .cta-form {
            flex: 1;
            min-width: 260px;
            display: flex;
            gap: 10px;
        }

        .cta-box .cta-form input {
            flex: 1;
            background: rgba(255, 255, 255, 0.12);
            border: 1px solid rgba(255, 255, 255, 0.3);
            border-radius: var(--btn-radius);
            padding: 11px 16px;
            color: #fff;
            font-size: 14px;
            transition: var(--transition);
        }

        .cta-box .cta-form input::placeholder {
            color: rgba(255, 255, 255, 0.6);
        }

        .cta-box .cta-form input:focus {
            border-color: rgba(255, 255, 255, 0.7);
            background: rgba(255, 255, 255, 0.18);
            outline: 3px solid rgba(255, 255, 255, 0.15);
        }

        .btn-white {
            background: #fff;
            color: var(--brand);
            border: none;
            font-weight: 700;
            padding: 11px 22px;
            white-space: nowrap;
        }

        .btn-white:hover {
            background: rgba(255, 255, 255, 0.9);
            color: var(--brand);
        }

        .footer {
            background: #162033;
            color: #B8C4D4;
            padding: 42px 44px 22px;
            margin-top: 0;
        }

        .footer-grid {
            display: grid;
            grid-template-columns: 2fr 1fr 1fr;
            gap: 28px;
            max-width: 1100px;
            margin: 0 auto;
        }

        .footer-grid h3 {
            font-size: 15px;
            font-weight: 700;
            color: #FFFFFF;
            margin-bottom: 14px;
            letter-spacing: 0.5px;
        }

        .footer-grid p {
            font-size: 13px;
            line-height: 1.7;
            color: #B8C4D4;
            margin: 0 0 10px;
        }

        .footer-grid a {
            display: inline-block;
            color: #B8C4D4;
            font-size: 13px;
            line-height: 1.8;
            transition: var(--transition);
        }

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

        .footer-copy {
            max-width: 1100px;
            margin: 24px auto 0;
            padding-top: 18px;
            border-top: 1px solid rgba(255, 255, 255, 0.1);
            font-size: 12px;
            color: #8A94A6;
            text-align: center;
            letter-spacing: 0.5px;
        }

        .badge-live {
            background: #F04438;
            color: #fff;
            font-size: 11px;
            font-weight: 600;
            padding: 2px 8px;
            border-radius: 999px;
            letter-spacing: 0.3px;
        }

        .badge-pending {
            background: var(--grass-soft);
            color: var(--grass);
            font-size: 11px;
            font-weight: 600;
            padding: 2px 8px;
            border-radius: 999px;
            letter-spacing: 0.3px;
        }

        .badge-ended {
            background: #F3F4F6;
            color: #6B7280;
            font-size: 11px;
            font-weight: 600;
            padding: 2px 8px;
            border-radius: 999px;
            letter-spacing: 0.3px;
        }

        .list-row {
            display: flex;
            align-items: center;
            gap: 16px;
            padding: 16px 18px;
            border-bottom: 1px solid var(--line);
            transition: var(--transition);
            border-radius: 8px;
        }

        .list-row:hover {
            background: var(--brand-soft);
        }

        .list-row .list-thumb {
            width: 58px;
            height: 58px;
            border-radius: 8px;
            background: #E8EDF4;
            flex-shrink: 0;
            overflow: hidden;
        }

        .list-row .list-thumb img {
            width: 100%;
            height: 100%;
            object-fit: cover;
        }

        .list-row .list-content {
            flex: 1;
            min-width: 0;
        }

        .list-row .list-title {
            font-size: 15px;
            font-weight: 600;
            color: var(--ink);
            line-height: 1.4;
            margin-bottom: 4px;
        }

        .list-row .list-desc {
            font-size: 13px;
            color: var(--muted);
            line-height: 1.6;
        }

        .list-row .list-action {
            flex-shrink: 0;
            font-size: 13px;
            color: var(--brand);
            font-weight: 600;
            white-space: nowrap;
        }

        @media (max-width: 1024px) {
            :root {
                --sidebar-w: 240px;
            }
            .section {
                padding: 40px 28px;
            }
            .page-header {
                padding: 28px 28px 22px;
            }
            .footer {
                padding: 36px 28px 20px;
            }
            .news-grid {
                gap: 16px;
            }
            .news-card .news-img {
                height: 170px;
            }
            .special-topic-grid {
                gap: 14px;
            }
            .resource-list {
                gap: 12px;
            }
            .stats-bar {
                gap: 10px;
                padding: 20px 16px;
            }
            .stat-item .stat-num {
                font-size: 24px;
            }
        }

        @media (max-width: 768px) {
            .sidebar {
                transform: translateX(-100%);
                transition: transform 0.3s ease;
                box-shadow: none;
                width: 280px;
                z-index: 70;
            }
            .sidebar.open {
                transform: translateX(0);
                box-shadow: 4px 0 24px rgba(23, 94, 168, 0.18);
            }
            .main-area {
                margin-left: 0;
                padding-top: 60px;
            }
            .mobile-topbar {
                display: flex;
            }
            .drawer-overlay.open {
                display: block;
                z-index: 65;
            }
            .section {
                padding: 32px 18px;
            }
            .page-header {
                padding: 22px 18px 18px;
            }
            .page-header h1 {
                font-size: 24px;
            }
            .footer {
                padding: 28px 18px 18px;
            }
            .footer-grid {
                grid-template-columns: 1fr;
                gap: 18px;
            }
            .news-grid {
                grid-template-columns: 1fr;
                gap: 14px;
            }
            .news-card .news-img {
                height: 190px;
            }
            .special-topic-grid {
                grid-template-columns: 1fr;
                gap: 12px;
            }
            .stats-bar {
                grid-template-columns: repeat(2, 1fr);
                gap: 14px;
            }
            .resource-list {
                grid-template-columns: 1fr;
                gap: 10px;
            }
            .cta-box {
                flex-direction: column;
                align-items: stretch;
                padding: 26px 20px;
            }
            .cta-box .cta-form {
                flex-direction: column;
            }
        }

        @media (max-width: 520px) {
            .section {
                padding: 24px 14px;
            }
            .page-header {
                padding: 18px 14px 16px;
            }
            .page-header h1 {
                font-size: 21px;
            }
            .section-title {
                font-size: 19px;
            }
            .news-card .news-body {
                padding: 16px 16px 14px;
            }
            .news-card .news-title {
                font-size: 15px;
            }
            .stats-bar {
                grid-template-columns: 1fr;
                gap: 12px;
                padding: 16px 12px;
            }
            .stat-item .stat-num {
                font-size: 22px;
            }
            .cta-box .cta-text h2 {
                font-size: 18px;
            }
            .footer {
                padding: 22px 14px 14px;
            }
            .topic-card {
                min-height: 160px;
                padding: 18px 16px;
            }
        }

/* roulang page: category1 */
:root {
            --brand: #1B6EC2;
            --brand-dark: #175EA8;
            --brand-light: #3E8BD4;
            --brand-soft: rgba(27, 110, 194, 0.08);
            --brand-ring: rgba(27, 110, 194, 0.25);
            --grass: #2E8B57;
            --grass-light: #3CA56D;
            --grass-soft: rgba(46, 139, 87, 0.12);
            --ink: #1A1D23;
            --muted: #4B5563;
            --soft: #8A94A6;
            --line: #E3E8EF;
            --paper: #FFFFFF;
            --bg: #F7F9FC;
            --card-radius: 12px;
            --btn-radius: 8px;
            --shadow-card: 0 4px 14px rgba(23, 94, 168, 0.08);
            --shadow-hover: 0 10px 28px rgba(23, 94, 168, 0.15);
            --transition: all 0.22s ease;
            --sidebar-w: 264px;
        }

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

        body {
            font-family: 'system-ui', '-apple-system', 'PingFang SC', 'Microsoft YaHei', 'Noto Sans CJK SC', sans-serif;
            color: var(--ink);
            background: var(--bg);
            line-height: 1.6;
            font-size: 15px;
            min-height: 100vh;
            margin: 0;
            display: flex;
        }

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

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

        button,
        input {
            font-family: inherit;
            font-size: inherit;
            border: none;
            outline: none;
            background: none;
        }

        button {
            cursor: pointer;
        }

        .sidebar {
            position: fixed;
            left: 0;
            top: 0;
            bottom: 0;
            width: var(--sidebar-w);
            background: #FFFFFF;
            border-right: 1px solid var(--line);
            display: flex;
            flex-direction: column;
            z-index: 50;
            box-shadow: 0 0 20px rgba(23, 94, 168, 0.04);
        }

        .logo-block {
            padding: 22px 20px 18px;
            border-bottom: 1px solid var(--line);
            flex-shrink: 0;
        }

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

        .logo-icon {
            width: 34px;
            height: 34px;
            border-radius: 10px;
            background: var(--brand);
            color: #fff;
            display: flex;
            align-items: center;
            justify-content: center;
            font-weight: 800;
            font-size: 16px;
            flex-shrink: 0;
            box-shadow: 0 4px 10px rgba(27, 110, 194, 0.3);
        }

        .nav-section {
            flex: 1;
            padding: 16px 12px;
            overflow-y: auto;
        }

        .nav-link {
            display: flex;
            align-items: center;
            gap: 10px;
            padding: 10px 14px;
            border-radius: 8px;
            color: var(--muted);
            font-size: 15px;
            font-weight: 500;
            margin-bottom: 4px;
            position: relative;
            transition: var(--transition);
            letter-spacing: 0.3px;
        }

        .nav-link:hover {
            background: var(--brand-soft);
            color: var(--brand);
        }

        .nav-link.active {
            background: var(--brand-soft);
            color: var(--brand);
            font-weight: 700;
        }

        .nav-link.active::before {
            content: '';
            position: absolute;
            left: -12px;
            top: 50%;
            transform: translateY(-50%);
            width: 3px;
            height: 28px;
            border-radius: 0 4px 4px 0;
            background: var(--brand);
        }

        .nav-link .nav-dot {
            width: 20px;
            text-align: center;
            flex-shrink: 0;
            font-size: 16px;
        }

        .sidebar-footer {
            padding: 16px 20px;
            border-top: 1px solid var(--line);
            flex-shrink: 0;
        }

        .sidebar-footer a {
            display: block;
            color: var(--soft);
            font-size: 13px;
            padding: 6px 0;
            transition: var(--transition);
        }

        .sidebar-footer a:hover {
            color: var(--brand);
        }

        .main-area {
            margin-left: var(--sidebar-w);
            flex: 1;
            min-width: 0;
            display: flex;
            flex-direction: column;
            background: var(--bg);
        }

        .mobile-topbar {
            display: none;
            position: fixed;
            top: 0;
            left: 0;
            right: 0;
            z-index: 60;
            background: rgba(255, 255, 255, 0.96);
            backdrop-filter: blur(12px);
            -webkit-backdrop-filter: blur(12px);
            border-bottom: 1px solid var(--line);
            padding: 12px 16px;
            align-items: center;
            justify-content: space-between;
            box-shadow: 0 2px 12px rgba(23, 94, 168, 0.08);
        }

        .hamburger {
            width: 40px;
            height: 40px;
            border-radius: 8px;
            background: var(--bg);
            display: flex;
            flex-direction: column;
            align-items: center;
            justify-content: center;
            gap: 5px;
            transition: var(--transition);
        }

        .hamburger span {
            display: block;
            width: 20px;
            height: 2px;
            border-radius: 2px;
            background: var(--muted);
            transition: var(--transition);
        }

        .drawer-overlay {
            position: fixed;
            inset: 0;
            background: rgba(26, 29, 35, 0.45);
            z-index: 55;
            display: none;
            backdrop-filter: blur(2px);
        }

        .drawer-overlay.open {
            display: block;
        }

        .section {
            padding: 48px 44px;
            background: #FFFFFF;
        }

        .section-alt {
            background: #F7F9FC;
        }

        .container-inner {
            max-width: 1100px;
            margin: 0 auto;
        }

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

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

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

        .breadcrumb .separator {
            color: var(--soft);
            user-select: none;
        }

        .page-header {
            padding: 36px 44px 28px;
            background: linear-gradient(180deg, #F7F9FC 0%, #FFFFFF 100%);
            border-bottom: 1px solid var(--line);
        }

        .page-header h1 {
            font-size: 32px;
            font-weight: 700;
            color: var(--ink);
            letter-spacing: 0.5px;
            margin: 0 0 10px 0;
            line-height: 1.3;
        }

        .page-header .h1-sub {
            font-size: 15px;
            color: var(--muted);
            max-width: 640px;
            line-height: 1.8;
            margin: 0;
        }

        .filter-bar {
            display: flex;
            align-items: center;
            gap: 10px;
            flex-wrap: wrap;
            padding: 16px 20px;
            background: #FFFFFF;
            border: 1px solid var(--line);
            border-radius: var(--card-radius);
            box-shadow: var(--shadow-card);
            margin-bottom: 24px;
        }

        .filter-bar .filter-label {
            font-size: 13px;
            color: var(--soft);
            font-weight: 500;
            margin-right: 4px;
        }

        .filter-chip {
            padding: 6px 16px;
            border-radius: 999px;
            font-size: 13px;
            color: var(--muted);
            background: var(--bg);
            border: 1px solid transparent;
            transition: var(--transition);
            font-weight: 500;
        }

        .filter-chip:hover {
            background: var(--brand-soft);
            color: var(--brand);
        }

        .filter-chip.active {
            background: var(--brand);
            color: #FFFFFF;
            font-weight: 600;
        }

        .match-row {
            display: flex;
            align-items: center;
            gap: 16px;
            padding: 18px 20px;
            background: #FFFFFF;
            border: 1px solid var(--line);
            border-radius: var(--card-radius);
            box-shadow: var(--shadow-card);
            margin-bottom: 10px;
            transition: var(--transition);
            position: relative;
        }

        .match-row:hover {
            box-shadow: var(--shadow-hover);
            transform: translateY(-1px);
            border-color: rgba(27, 110, 194, 0.25);
        }

        .match-league-tag {
            flex-shrink: 0;
            padding: 4px 12px;
            border-radius: 6px;
            font-size: 12px;
            font-weight: 600;
            background: var(--grass-soft);
            color: var(--grass);
            letter-spacing: 0.5px;
            white-space: nowrap;
        }

        .match-teams {
            flex: 1;
            min-width: 0;
            display: flex;
            align-items: center;
            gap: 12px;
            font-size: 15px;
            font-weight: 600;
            color: var(--ink);
        }

        .match-teams .vs {
            color: var(--soft);
            font-weight: 500;
            font-size: 13px;
            flex-shrink: 0;
        }

        .match-time {
            flex-shrink: 0;
            font-size: 14px;
            color: var(--muted);
            font-weight: 500;
            white-space: nowrap;
        }

        .match-status {
            flex-shrink: 0;
            padding: 4px 12px;
            border-radius: 999px;
            font-size: 12px;
            font-weight: 600;
            white-space: nowrap;
        }

        .status-live {
            background: rgba(220, 53, 69, 0.1);
            color: #DC3545;
        }

        .status-upcoming {
            background: var(--brand-soft);
            color: var(--brand);
        }

        .status-finished {
            background: #F1F3F5;
            color: var(--soft);
        }

        .match-heat {
            flex-shrink: 0;
            font-size: 13px;
            color: var(--grass);
            font-weight: 600;
        }

        .topic-grid {
            display: grid;
            grid-template-columns: repeat(3, 1fr);
            gap: 20px;
            margin-top: 24px;
        }

        .topic-card {
            border-radius: var(--card-radius);
            overflow: hidden;
            background: #FFFFFF;
            border: 1px solid var(--line);
            box-shadow: var(--shadow-card);
            transition: var(--transition);
        }

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

        .topic-card .topic-img {
            height: 160px;
            background-size: cover;
            background-position: center;
            position: relative;
        }

        .topic-card .topic-img .topic-tag {
            position: absolute;
            top: 12px;
            left: 12px;
            padding: 4px 12px;
            border-radius: 6px;
            background: rgba(255, 255, 255, 0.9);
            color: var(--brand);
            font-size: 12px;
            font-weight: 600;
            backdrop-filter: blur(4px);
        }

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

        .topic-card .topic-body h3 {
            font-size: 17px;
            font-weight: 600;
            color: var(--ink);
            margin: 0 0 8px 0;
        }

        .topic-card .topic-body p {
            font-size: 14px;
            color: var(--muted);
            line-height: 1.7;
            margin: 0;
        }

        .stats-strip {
            display: grid;
            grid-template-columns: repeat(4, 1fr);
            gap: 20px;
            padding: 28px 24px;
            background: rgba(27, 110, 194, 0.03);
            border-radius: var(--card-radius);
            border: 1px solid rgba(27, 110, 194, 0.08);
        }

        .stat-item {
            text-align: center;
        }

        .stat-item .stat-num {
            font-size: 32px;
            font-weight: 700;
            color: var(--brand);
            letter-spacing: 0.5px;
            line-height: 1.2;
        }

        .stat-item .stat-label {
            font-size: 13px;
            color: var(--muted);
            margin-top: 6px;
            font-weight: 500;
        }

        .resource-grid {
            display: grid;
            grid-template-columns: repeat(3, 1fr);
            gap: 20px;
            margin-top: 24px;
        }

        .resource-card {
            padding: 22px 20px;
            background: #FFFFFF;
            border: 1px solid var(--line);
            border-radius: var(--card-radius);
            box-shadow: var(--shadow-card);
            transition: var(--transition);
            text-align: left;
        }

        .resource-card:hover {
            box-shadow: var(--shadow-hover);
            transform: translateY(-2px);
            border-color: rgba(27, 110, 194, 0.25);
        }

        .resource-card .resource-icon {
            font-size: 24px;
            margin-bottom: 10px;
            display: block;
        }

        .resource-card h3 {
            font-size: 16px;
            font-weight: 600;
            color: var(--ink);
            margin: 0 0 8px 0;
        }

        .resource-card p {
            font-size: 14px;
            color: var(--muted);
            line-height: 1.7;
            margin: 0 0 12px 0;
        }

        .resource-card a {
            font-size: 14px;
            color: var(--brand);
            font-weight: 600;
            transition: var(--transition);
            display: inline-flex;
            align-items: center;
            gap: 4px;
        }

        .resource-card a:hover {
            color: var(--brand-dark);
        }

        .faq-list {
            margin-top: 20px;
            border-top: 1px solid var(--line);
        }

        .faq-item {
            border-bottom: 1px solid var(--line);
            transition: var(--transition);
        }

        .faq-question {
            display: flex;
            align-items: center;
            justify-content: space-between;
            gap: 16px;
            width: 100%;
            padding: 16px 8px;
            font-size: 16px;
            font-weight: 500;
            color: var(--ink);
            text-align: left;
            transition: var(--transition);
            background: none;
        }

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

        .faq-question .faq-icon {
            flex-shrink: 0;
            width: 24px;
            height: 24px;
            border-radius: 50%;
            border: 1px solid var(--brand);
            color: var(--brand);
            display: flex;
            align-items: center;
            justify-content: center;
            font-size: 16px;
            font-weight: 600;
            transition: var(--transition);
        }

        .faq-answer {
            padding: 0 8px 16px;
            font-size: 14px;
            color: var(--muted);
            line-height: 1.8;
            display: none;
        }

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

        .cta-section {
            padding: 48px 44px;
            background: #FFFFFF;
        }

        .cta-box {
            background: linear-gradient(135deg, #F7F9FC 0%, #FFFFFF 50%, #F0F4FA 100%);
            border: 1px solid var(--line);
            border-radius: 16px;
            padding: 36px 32px;
            display: flex;
            align-items: center;
            gap: 32px;
            box-shadow: var(--shadow-card);
        }

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

        .cta-text h2 {
            font-size: 22px;
            font-weight: 700;
            color: var(--ink);
            margin: 0 0 10px 0;
        }

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

        .cta-form {
            display: flex;
            gap: 10px;
            flex-shrink: 0;
        }

        .cta-form input {
            width: 260px;
            padding: 12px 18px;
            border: 1px solid var(--line);
            border-radius: var(--btn-radius);
            font-size: 14px;
            color: var(--ink);
            background: #FFFFFF;
            transition: var(--transition);
        }

        .cta-form input:focus {
            border-color: var(--brand);
            box-shadow: 0 0 0 3px var(--brand-ring);
        }

        .cta-form input::placeholder {
            color: var(--soft);
        }

        .btn {
            display: inline-flex;
            align-items: center;
            justify-content: center;
            gap: 6px;
            padding: 12px 26px;
            border-radius: var(--btn-radius);
            font-size: 15px;
            font-weight: 600;
            letter-spacing: 0.5px;
            transition: var(--transition);
            white-space: nowrap;
        }

        .btn-primary {
            background: var(--brand);
            color: #FFFFFF;
            box-shadow: 0 4px 12px rgba(27, 110, 194, 0.3);
        }

        .btn-primary:hover {
            background: var(--brand-dark);
            box-shadow: 0 6px 16px rgba(27, 110, 194, 0.35);
        }

        .btn-primary:active {
            transform: translateY(1px);
            box-shadow: 0 2px 6px rgba(27, 110, 194, 0.25);
        }

        .btn-primary:focus-visible {
            outline: 3px solid var(--brand-ring);
            outline-offset: 2px;
        }

        .btn-secondary {
            background: #FFFFFF;
            color: var(--brand);
            border: 1px solid #D0D7E2;
        }

        .btn-secondary:hover {
            border-color: var(--brand);
            background: var(--brand-soft);
        }

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

        .btn-secondary:focus-visible {
            outline: 3px solid var(--brand-ring);
            outline-offset: 2px;
        }

        .footer {
            background: #162033;
            color: #C7CFDA;
            padding: 40px 44px 24px;
            margin-top: auto;
        }

        .footer-grid {
            display: grid;
            grid-template-columns: 2fr 1fr 1fr;
            gap: 32px;
            max-width: 1100px;
            margin: 0 auto;
        }

        .footer h3 {
            font-size: 15px;
            font-weight: 600;
            color: #FFFFFF;
            margin: 0 0 12px 0;
            letter-spacing: 0.5px;
        }

        .footer p {
            font-size: 14px;
            line-height: 1.8;
            margin: 0 0 8px 0;
            color: #A8B2C1;
        }

        .footer a {
            color: #A8B2C1;
            font-size: 14px;
            transition: var(--transition);
            line-height: 2;
        }

        .footer a:hover {
            color: #FFFFFF;
        }

        .footer-copy {
            max-width: 1100px;
            margin: 24px auto 0;
            padding-top: 16px;
            border-top: 1px solid rgba(255, 255, 255, 0.1);
            font-size: 13px;
            color: #8A94A6;
            text-align: center;
        }

        @media (max-width: 1024px) {
            .section {
                padding: 40px 28px;
            }
            .page-header {
                padding: 28px 28px 20px;
            }
            .cta-section {
                padding: 40px 28px;
            }
            .footer {
                padding: 32px 28px 20px;
            }
            .topic-grid {
                grid-template-columns: repeat(2, 1fr);
            }
            .resource-grid {
                grid-template-columns: repeat(2, 1fr);
            }
            .stats-strip {
                grid-template-columns: repeat(2, 1fr);
            }
        }

        @media (max-width: 768px) {
            :root {
                --sidebar-w: 0px;
            }
            body {
                display: block;
            }
            .sidebar {
                transform: translateX(-100%);
                transition: transform 0.28s ease;
                width: 280px;
                box-shadow: 0 0 30px rgba(26, 29, 35, 0.15);
            }
            .sidebar.open {
                transform: translateX(0);
            }
            .main-area {
                margin-left: 0;
                padding-top: 64px;
            }
            .mobile-topbar {
                display: flex;
            }
            .section {
                padding: 32px 20px;
            }
            .page-header {
                padding: 24px 20px 16px;
            }
            .page-header h1 {
                font-size: 26px;
            }
            .filter-bar {
                flex-wrap: nowrap;
                overflow-x: auto;
                -webkit-overflow-scrolling: touch;
                padding: 12px 14px;
                gap: 6px;
            }
            .filter-chip {
                white-space: nowrap;
                flex-shrink: 0;
            }
            .match-row {
                flex-wrap: wrap;
                gap: 10px;
                padding: 14px 16px;
            }
            .match-teams {
                font-size: 14px;
                gap: 8px;
            }
            .match-time {
                font-size: 13px;
            }
            .topic-grid {
                grid-template-columns: 1fr;
                gap: 16px;
            }
            .resource-grid {
                grid-template-columns: 1fr;
                gap: 16px;
            }
            .stats-strip {
                grid-template-columns: repeat(2, 1fr);
                gap: 16px;
                padding: 20px 16px;
            }
            .cta-section {
                padding: 32px 20px;
            }
            .cta-box {
                flex-direction: column;
                align-items: flex-start;
                padding: 24px 20px;
                gap: 20px;
            }
            .cta-form {
                flex-direction: column;
                width: 100%;
            }
            .cta-form input {
                width: 100%;
            }
            .footer {
                padding: 28px 20px 16px;
            }
            .footer-grid {
                grid-template-columns: 1fr;
                gap: 24px;
            }
            .footer-copy {
                margin-top: 16px;
                padding-top: 12px;
                font-size: 12px;
            }
            .stat-item .stat-num {
                font-size: 26px;
            }
        }

        @media (max-width: 480px) {
            .page-header h1 {
                font-size: 24px;
            }
            .page-header .h1-sub {
                font-size: 14px;
            }
            .match-teams {
                font-size: 13px;
                flex-wrap: wrap;
                gap: 4px;
            }
            .match-league-tag {
                font-size: 11px;
                padding: 3px 8px;
            }
            .match-status {
                font-size: 11px;
                padding: 3px 10px;
            }
            .stat-item .stat-num {
                font-size: 22px;
            }
            .stat-item .stat-label {
                font-size: 12px;
            }
            .cta-text h2 {
                font-size: 18px;
            }
            .faq-question {
                font-size: 14px;
                padding: 14px 4px;
            }
            .faq-answer {
                font-size: 13px;
            }
        }

/* roulang page: category3 */
:root {
            --brand: #1B6EC2;
            --brand-dark: #175EA8;
            --brand-light: #3E8BD4;
            --brand-soft: rgba(27, 110, 194, 0.08);
            --brand-ring: rgba(27, 110, 194, 0.25);
            --grass: #2E8B57;
            --grass-light: #3CA56D;
            --grass-soft: rgba(46, 139, 87, 0.12);
            --ink: #1A1D23;
            --muted: #4B5563;
            --soft: #8A94A6;
            --line: #E3E8EF;
            --paper: #FFFFFF;
            --bg: #F7F9FC;
            --card-radius: 12px;
            --btn-radius: 8px;
            --shadow-card: 0 4px 14px rgba(23, 94, 168, 0.08);
            --shadow-hover: 0 10px 28px rgba(23, 94, 168, 0.15);
            --transition: all 0.22s ease;
            --sidebar-w: 264px;
        }

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

        body {
            font-family: 'system-ui', '-apple-system', 'PingFang SC', 'Microsoft YaHei', 'Noto Sans CJK SC', sans-serif;
            color: var(--ink);
            background: var(--bg);
            line-height: 1.6;
            font-size: 15px;
            min-height: 100vh;
        }

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

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

        button,
        input {
            font-family: inherit;
            font-size: inherit;
            border: none;
            outline: none;
            background: none;
        }

        button {
            cursor: pointer;
        }

        .main-area {
            margin-left: var(--sidebar-w);
            flex: 1;
            min-width: 0;
            display: flex;
            flex-direction: column;
            background: var(--bg);
        }

        .sidebar {
            position: fixed;
            left: 0;
            top: 0;
            bottom: 0;
            width: var(--sidebar-w);
            background: #FFFFFF;
            border-right: 1px solid #E3E8EF;
            z-index: 50;
            display: flex;
            flex-direction: column;
        }

        .logo-block {
            padding: 22px 20px 18px;
            border-bottom: 1px solid #E3E8EF;
            flex-shrink: 0;
        }

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

        .logo-icon {
            width: 34px;
            height: 34px;
            border-radius: 10px;
            background: var(--brand);
            color: #fff;
            display: flex;
            align-items: center;
            justify-content: center;
            font-weight: 800;
            font-size: 16px;
            flex-shrink: 0;
            box-shadow: 0 4px 10px rgba(27, 110, 194, 0.3);
        }

        .nav-section {
            flex: 1;
            padding: 16px 12px;
            overflow-y: auto;
        }

        .nav-link {
            display: flex;
            align-items: center;
            gap: 10px;
            padding: 10px 14px;
            border-radius: 8px;
            color: #4B5563;
            font-size: 15px;
            font-weight: 500;
            margin-bottom: 4px;
            position: relative;
            transition: var(--transition);
            letter-spacing: 0.3px;
        }

        .nav-link:hover {
            background: var(--brand-soft);
            color: var(--brand);
        }

        .nav-link.active {
            background: var(--brand-soft);
            color: var(--brand);
            font-weight: 700;
        }

        .nav-link.active::before {
            content: '';
            position: absolute;
            left: -12px;
            top: 50%;
            transform: translateY(-50%);
            width: 3px;
            height: 28px;
            border-radius: 0 4px 4px 0;
            background: var(--brand);
        }

        .nav-link .nav-dot {
            width: 20px;
            text-align: center;
            flex-shrink: 0;
            font-size: 16px;
        }

        .sidebar-footer {
            padding: 16px 20px;
            border-top: 1px solid #E3E8EF;
            flex-shrink: 0;
        }

        .sidebar-footer a {
            display: block;
            color: #8A94A6;
            font-size: 13px;
            padding: 6px 0;
            transition: var(--transition);
        }

        .sidebar-footer a:hover {
            color: var(--brand);
        }

        .mobile-topbar {
            display: none;
            position: fixed;
            top: 0;
            left: 0;
            right: 0;
            z-index: 60;
            background: rgba(255, 255, 255, 0.96);
            backdrop-filter: blur(12px);
            -webkit-backdrop-filter: blur(12px);
            border-bottom: 1px solid #E3E8EF;
            padding: 12px 16px;
            align-items: center;
            justify-content: space-between;
            box-shadow: 0 2px 12px rgba(23, 94, 168, 0.08);
        }

        .hamburger {
            width: 40px;
            height: 40px;
            border-radius: 8px;
            background: var(--bg);
            display: flex;
            flex-direction: column;
            align-items: center;
            justify-content: center;
            gap: 5px;
            transition: var(--transition);
        }

        .hamburger span {
            display: block;
            width: 20px;
            height: 2px;
            border-radius: 2px;
            background: var(--muted);
            transition: var(--transition);
        }

        .drawer-overlay {
            position: fixed;
            inset: 0;
            background: rgba(26, 29, 35, 0.45);
            z-index: 55;
            display: none;
            backdrop-filter: blur(2px);
        }

        .drawer-overlay.open {
            display: block;
        }

        .section {
            padding: 56px 44px;
            background: #FFFFFF;
        }

        .section-alt {
            background: #F7F9FC;
        }

        .section-flush {
            background: #FFFFFF;
        }

        .container-inner {
            max-width: 1100px;
            margin: 0 auto;
        }

        .subtitle {
            font-size: 15px;
            color: #4B5563;
            margin-bottom: 30px;
            max-width: 740px;
            line-height: 1.8;
        }

        .btn {
            display: inline-flex;
            align-items: center;
            justify-content: center;
            gap: 6px;
            padding: 12px 26px;
            border-radius: var(--btn-radius);
            font-weight: 600;
            font-size: 15px;
            letter-spacing: 0.5px;
            transition: var(--transition);
            position: relative;
        }

        .btn-primary {
            background: var(--brand);
            color: #FFFFFF;
            box-shadow: 0 4px 14px rgba(27, 110, 194, 0.28);
        }

        .btn-primary:hover {
            background: var(--brand-dark);
            box-shadow: 0 6px 20px rgba(27, 110, 194, 0.35);
            transform: translateY(-1px);
        }

        .btn-primary:active {
            transform: translateY(0);
            box-shadow: 0 2px 8px rgba(27, 110, 194, 0.25);
        }

        .btn-primary:focus-visible {
            outline: 3px solid var(--brand-ring);
            outline-offset: 2px;
        }

        .btn-secondary {
            border: 1px solid #D0D7E2;
            background: #FFFFFF;
            color: var(--muted);
        }

        .btn-secondary:hover {
            border-color: var(--brand);
            color: var(--brand);
            background: var(--brand-soft);
        }

        .btn-secondary:focus-visible {
            outline: 3px solid var(--brand-ring);
            outline-offset: 2px;
        }

        .badge {
            display: inline-flex;
            align-items: center;
            gap: 4px;
            padding: 4px 12px;
            border-radius: 999px;
            font-size: 12px;
            font-weight: 500;
            letter-spacing: 0.3px;
            line-height: 1.5;
        }

        .badge-green {
            background: var(--grass-soft);
            color: var(--grass);
        }

        .badge-blue {
            background: var(--brand-soft);
            color: var(--brand);
        }

        .badge-gray {
            background: #EEF1F5;
            color: var(--soft);
        }

        .card {
            background: #FFFFFF;
            border-radius: var(--card-radius);
            box-shadow: var(--shadow-card);
            transition: var(--transition);
            border: 1px solid #EDF0F5;
        }

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

        .list-row {
            display: flex;
            align-items: center;
            gap: 16px;
            padding: 16px 20px;
            border-bottom: 1px solid #EDF0F5;
            transition: var(--transition);
            background: #FFFFFF;
        }

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

        .list-row:hover {
            background: #FAFBFD;
        }

        .stat-num {
            font-size: 28px;
            font-weight: 700;
            color: var(--brand);
            line-height: 1.2;
            letter-spacing: -0.5px;
        }

        .stat-label {
            font-size: 13px;
            color: var(--soft);
            margin-top: 2px;
        }

        .h2-deco {
            display: inline-block;
            width: 36px;
            height: 4px;
            border-radius: 2px;
            background: var(--brand);
            margin-bottom: 14px;
        }

        .h2-deco.green {
            background: var(--grass);
        }

        .faq-item {
            border-bottom: 1px solid var(--line);
            transition: var(--transition);
        }

        .faq-question {
            display: flex;
            align-items: center;
            justify-content: space-between;
            padding: 18px 10px;
            font-size: 16px;
            font-weight: 500;
            color: var(--ink);
            cursor: pointer;
            background: none;
            width: 100%;
            text-align: left;
            transition: var(--transition);
            gap: 12px;
        }

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

        .faq-question:focus-visible {
            outline: 2px solid var(--brand-ring);
            border-radius: 6px;
        }

        .faq-icon {
            flex-shrink: 0;
            width: 24px;
            height: 24px;
            border-radius: 50%;
            border: 1.5px solid var(--brand);
            display: flex;
            align-items: center;
            justify-content: center;
            color: var(--brand);
            font-size: 16px;
            font-weight: 600;
            transition: var(--transition);
        }

        .faq-answer {
            max-height: 0;
            overflow: hidden;
            transition: max-height 0.3s ease, padding 0.3s ease;
            padding: 0 10px;
            color: var(--muted);
            font-size: 14px;
            line-height: 1.75;
        }

        .faq-item.open .faq-answer {
            max-height: 300px;
            padding: 0 10px 20px;
        }

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

        .team-list-row {
            display: grid;
            grid-template-columns: 1fr 1.4fr 1fr 1fr 1fr 0.8fr;
            gap: 12px;
            align-items: center;
            padding: 16px 20px;
            border-bottom: 1px solid #EDF0F5;
            transition: var(--transition);
            background: #FFFFFF;
        }

        .team-list-row:last-child {
            border-bottom: none;
        }

        .team-list-row:hover {
            background: #FAFBFD;
        }

        .team-name {
            font-weight: 600;
            font-size: 15px;
            color: var(--ink);
        }

        .team-league {
            font-size: 13px;
            color: var(--soft);
        }

        .metric-value {
            font-weight: 600;
            font-size: 15px;
            color: var(--ink);
        }

        .metric-label {
            font-size: 12px;
            color: var(--soft);
        }

        .trend-up {
            color: var(--grass);
            font-size: 13px;
            font-weight: 500;
        }

        .trend-down {
            color: #D64545;
            font-size: 13px;
            font-weight: 500;
        }

        .trend-flat {
            color: var(--soft);
            font-size: 13px;
            font-weight: 500;
        }

        .rank-number {
            width: 32px;
            height: 32px;
            border-radius: 50%;
            display: flex;
            align-items: center;
            justify-content: center;
            font-weight: 700;
            font-size: 14px;
            flex-shrink: 0;
        }

        .rank-1 {
            background: #FFD700;
            color: #7A6000;
        }
        .rank-2 {
            background: #E8E8E8;
            color: #555;
        }
        .rank-3 {
            background: #E8C39A;
            color: #7A4E1A;
        }
        .rank-other {
            background: var(--bg);
            color: var(--muted);
        }

        .filter-bar {
            display: flex;
            align-items: center;
            gap: 12px;
            flex-wrap: wrap;
            padding: 14px 18px;
            background: #FAFBFD;
            border-radius: 10px;
            border: 1px solid #EDF0F5;
            margin-bottom: 20px;
        }

        .filter-chip {
            padding: 7px 16px;
            border-radius: 999px;
            font-size: 13px;
            font-weight: 500;
            color: var(--muted);
            background: #FFFFFF;
            border: 1px solid #E3E8EF;
            transition: var(--transition);
            cursor: default;
        }

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

        .filter-chip:hover {
            border-color: var(--brand);
            color: var(--brand);
        }

        .filter-chip.active:hover {
            color: #fff;
        }

        .resource-card {
            display: flex;
            align-items: flex-start;
            gap: 16px;
            padding: 22px 24px;
            background: #FFFFFF;
            border-radius: var(--card-radius);
            border: 1px solid #EDF0F5;
            transition: var(--transition);
        }

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

        .resource-icon {
            width: 44px;
            height: 44px;
            border-radius: 10px;
            display: flex;
            align-items: center;
            justify-content: center;
            font-size: 22px;
            flex-shrink: 0;
        }

        .resource-icon.blue {
            background: var(--brand-soft);
        }
        .resource-icon.green {
            background: var(--grass-soft);
        }
        .resource-icon.orange {
            background: rgba(255, 165, 0, 0.12);
        }

        .topic-card {
            display: grid;
            grid-template-columns: 1fr 1fr;
            gap: 24px;
            align-items: center;
            padding: 28px 30px;
            background: #FFFFFF;
            border-radius: var(--card-radius);
            border: 1px solid #EDF0F5;
            transition: var(--transition);
        }

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

        .topic-card-img {
            border-radius: 10px;
            overflow: hidden;
            aspect-ratio: 16/10;
            background: var(--bg);
        }

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

        .footer {
            background: #162033;
            color: #B8C4D8;
            padding: 44px 44px 28px;
            margin-left: var(--sidebar-w);
        }

        .footer-grid {
            display: grid;
            grid-template-columns: 1.4fr 1fr 1fr;
            gap: 40px;
            max-width: 1100px;
            margin: 0 auto;
        }

        .footer h3 {
            color: #FFFFFF;
            font-size: 15px;
            font-weight: 600;
            margin-bottom: 14px;
            letter-spacing: 0.5px;
        }

        .footer a {
            color: #B8C4D8;
            font-size: 14px;
            display: inline-block;
            margin-bottom: 8px;
            transition: var(--transition);
        }

        .footer a:hover {
            color: #FFFFFF;
        }

        .footer p {
            font-size: 14px;
            line-height: 1.7;
            color: #B8C4D8;
        }

        .footer-copy {
            max-width: 1100px;
            margin: 28px auto 0;
            padding-top: 20px;
            border-top: 1px solid rgba(255, 255, 255, 0.12);
            font-size: 13px;
            color: #8A94A6;
            text-align: center;
        }

        .breadcrumb {
            display: flex;
            align-items: center;
            gap: 8px;
            font-size: 13px;
            color: var(--soft);
            margin-bottom: 14px;
            flex-wrap: wrap;
        }

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

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

        .breadcrumb-sep {
            color: #C5CDD8;
        }

        .cta-panel {
            background: linear-gradient(135deg, #1B6EC2 0%, #0F5A8E 60%, #0E4D7A 100%);
            border-radius: var(--card-radius);
            padding: 40px 44px;
            color: #FFFFFF;
            position: relative;
            overflow: hidden;
        }

        .cta-panel::after {
            content: '';
            position: absolute;
            right: -80px;
            top: -80px;
            width: 240px;
            height: 240px;
            border-radius: 50%;
            background: rgba(255, 255, 255, 0.06);
        }

        .cta-panel::before {
            content: '';
            position: absolute;
            right: 30px;
            bottom: -60px;
            width: 160px;
            height: 160px;
            border-radius: 50%;
            background: rgba(46, 139, 87, 0.25);
        }

        .cta-panel h2,
        .cta-panel p {
            position: relative;
            z-index: 1;
        }

        .cta-input {
            flex: 1;
            min-width: 200px;
            padding: 12px 18px;
            border-radius: var(--btn-radius);
            background: rgba(255, 255, 255, 0.12);
            border: 1px solid rgba(255, 255, 255, 0.35);
            color: #FFFFFF;
            font-size: 15px;
            transition: var(--transition);
            position: relative;
            z-index: 1;
        }

        .cta-input::placeholder {
            color: rgba(255, 255, 255, 0.6);
        }

        .cta-input:focus {
            background: rgba(255, 255, 255, 0.2);
            border-color: rgba(255, 255, 255, 0.6);
            outline: none;
        }

        .cta-btn {
            background: #FFFFFF;
            color: var(--brand);
            padding: 12px 28px;
            border-radius: var(--btn-radius);
            font-weight: 600;
            font-size: 15px;
            transition: var(--transition);
            white-space: nowrap;
            position: relative;
            z-index: 1;
        }

        .cta-btn:hover {
            background: #F0F4F8;
            transform: translateY(-1px);
        }

        .cta-btn:focus-visible {
            outline: 3px solid rgba(255, 255, 255, 0.5);
            outline-offset: 2px;
        }

        @media (max-width: 1024px) {
            .section {
                padding: 44px 28px;
            }
            .team-list-row {
                grid-template-columns: 1fr 1fr 1fr 0.7fr;
                gap: 10px;
            }
            .team-list-row .metric-col-span {
                grid-column: span 1;
            }
            .topic-card {
                grid-template-columns: 1fr;
                gap: 18px;
                padding: 22px 24px;
            }
        }

        @media (max-width: 900px) {
            .footer {
                margin-left: 0;
                padding: 36px 24px 22px;
            }
            .footer-grid {
                grid-template-columns: 1fr 1fr;
                gap: 28px;
            }
            .main-area {
                margin-left: 0;
            }
        }

        @media (max-width: 768px) {
            .sidebar {
                display: none;
                position: fixed;
                left: 0;
                top: 0;
                bottom: 0;
                width: 280px;
                transform: translateX(-100%);
                transition: transform 0.3s ease;
                box-shadow: 4px 0 24px rgba(0, 0, 0, 0.2);
                z-index: 70;
            }
            .sidebar.open {
                transform: translateX(0);
                display: flex;
            }
            .mobile-topbar {
                display: flex;
            }
            .main-area {
                margin-left: 0;
                padding-top: 60px;
            }
            .section {
                padding: 36px 18px;
            }
            .container-inner {
                max-width: 100%;
            }
            .team-list-row {
                grid-template-columns: 1fr 1fr;
                gap: 8px;
                padding: 14px 16px;
            }
            .team-list-row .metric-col-span {
                grid-column: span 1;
            }
            .cta-panel {
                padding: 28px 22px;
            }
            .cta-panel form {
                flex-direction: column;
            }
            .topic-card {
                grid-template-columns: 1fr;
                padding: 18px 18px;
            }
            .topic-card-img {
                aspect-ratio: 16/9;
            }

            .stat-num {
                font-size: 22px;
            }

            .resource-card {
                padding: 18px 16px;
                flex-direction: column;
                gap: 12px;
            }
            .filter-bar {
                gap: 8px;
                padding: 12px 12px;
            }
            .filter-chip {
                padding: 6px 12px;
                font-size: 12px;
            }
        }

        @media (max-width: 480px) {
            .section {
                padding: 28px 12px;
            }
            .team-list-row {
                grid-template-columns: 1fr;
                gap: 4px;
                padding: 12px 14px;
            }
            .team-list-row .metric-col-span {
                grid-column: span 1;
            }
            .footer-grid {
                grid-template-columns: 1fr;
                gap: 24px;
            }
            .footer {
                padding: 28px 16px 18px;
            }
            .cta-panel {
                padding: 22px 16px;
            }
            .cta-input {
                min-width: 100%;
            }
            .btn {
                padding: 10px 18px;
                font-size: 14px;
            }
            .metric-value {
                font-size: 14px;
            }
            .team-name {
                font-size: 14px;
            }
            .faq-question {
                font-size: 14px;
                padding: 14px 8px;
            }
            .faq-answer {
                font-size: 13px;
            }
        }

/* roulang page: category4 */
:root {
            --brand: #1B6EC2;
            --brand-dark: #175EA8;
            --brand-light: #3E8BD4;
            --brand-soft: rgba(27, 110, 194, 0.08);
            --brand-ring: rgba(27, 110, 194, 0.25);
            --grass: #2E8B57;
            --grass-light: #3CA56D;
            --grass-soft: rgba(46, 139, 87, 0.12);
            --ink: #1A1D23;
            --muted: #4B5563;
            --soft: #8A94A6;
            --line: #E3E8EF;
            --paper: #FFFFFF;
            --bg: #F7F9FC;
            --card-radius: 12px;
            --btn-radius: 8px;
            --shadow-card: 0 4px 14px rgba(23, 94, 168, 0.08);
            --shadow-hover: 0 10px 28px rgba(23, 94, 168, 0.15);
            --transition: all 0.22s ease;
            --sidebar-w: 264px;
        }
        html {
            scroll-behavior: smooth;
            -webkit-text-size-adjust: 100%;
        }
        *,
        *::before,
        *::after {
            box-sizing: border-box;
            margin: 0;
            padding: 0;
        }
        body {
            font-family: 'system-ui', '-apple-system', 'PingFang SC', 'Microsoft YaHei', 'Noto Sans CJK SC', sans-serif;
            color: var(--ink);
            background: var(--bg);
            line-height: 1.65;
            font-size: 15px;
            min-height: 100vh;
            display: flex;
            flex-direction: column;
        }
        img {
            max-width: 100%;
            height: auto;
            display: block;
        }
        a {
            color: inherit;
            text-decoration: none;
            transition: var(--transition);
        }
        button,
        input {
            font-family: inherit;
            font-size: inherit;
            border: none;
            outline: none;
            background: none;
        }
        button {
            cursor: pointer;
        }
        .app-shell {
            display: flex;
            min-height: 100vh;
            width: 100%;
        }
        .sidebar {
            position: fixed;
            top: 0;
            left: 0;
            bottom: 0;
            width: var(--sidebar-w);
            background: #FFFFFF;
            border-right: 1px solid var(--line);
            display: flex;
            flex-direction: column;
            z-index: 50;
            flex-shrink: 0;
        }
        .main-area {
            margin-left: var(--sidebar-w);
            flex: 1;
            min-width: 0;
            display: flex;
            flex-direction: column;
            background: var(--bg);
        }
        .logo-block {
            padding: 22px 20px 18px;
            border-bottom: 1px solid var(--line);
            flex-shrink: 0;
        }
        .logo-link {
            display: flex;
            align-items: center;
            gap: 10px;
            font-weight: 700;
            font-size: 20px;
            color: var(--brand);
            letter-spacing: 0.5px;
        }
        .logo-icon {
            width: 34px;
            height: 34px;
            border-radius: 10px;
            background: var(--brand);
            color: #fff;
            display: flex;
            align-items: center;
            justify-content: center;
            font-weight: 800;
            font-size: 16px;
            flex-shrink: 0;
            box-shadow: 0 4px 10px rgba(27, 110, 194, 0.3);
        }
        .nav-section {
            flex: 1;
            padding: 16px 12px;
            overflow-y: auto;
        }
        .nav-link {
            display: flex;
            align-items: center;
            gap: 10px;
            padding: 10px 14px;
            border-radius: 8px;
            color: var(--muted);
            font-size: 15px;
            font-weight: 500;
            margin-bottom: 4px;
            position: relative;
            transition: var(--transition);
            letter-spacing: 0.3px;
        }
        .nav-link:hover {
            background: var(--brand-soft);
            color: var(--brand);
        }
        .nav-link.active {
            background: var(--brand-soft);
            color: var(--brand);
            font-weight: 700;
        }
        .nav-link.active::before {
            content: '';
            position: absolute;
            left: -12px;
            top: 50%;
            transform: translateY(-50%);
            width: 3px;
            height: 28px;
            border-radius: 0 4px 4px 0;
            background: var(--brand);
        }
        .nav-link .nav-dot {
            width: 20px;
            text-align: center;
            flex-shrink: 0;
            font-size: 16px;
        }
        .sidebar-footer {
            padding: 16px 20px;
            border-top: 1px solid var(--line);
            flex-shrink: 0;
        }
        .sidebar-footer a {
            display: block;
            color: var(--soft);
            font-size: 13px;
            padding: 6px 0;
            transition: var(--transition);
        }
        .sidebar-footer a:hover {
            color: var(--brand);
        }
        .mobile-topbar {
            display: none;
            position: fixed;
            top: 0;
            left: 0;
            right: 0;
            z-index: 60;
            background: rgba(255, 255, 255, 0.96);
            backdrop-filter: blur(12px);
            -webkit-backdrop-filter: blur(12px);
            border-bottom: 1px solid var(--line);
            padding: 12px 16px;
            align-items: center;
            justify-content: space-between;
            box-shadow: 0 2px 12px rgba(23, 94, 168, 0.08);
        }
        .hamburger {
            width: 40px;
            height: 40px;
            border-radius: 8px;
            background: var(--bg);
            display: flex;
            flex-direction: column;
            align-items: center;
            justify-content: center;
            gap: 5px;
            transition: var(--transition);
        }
        .hamburger span {
            display: block;
            width: 20px;
            height: 2px;
            border-radius: 2px;
            background: var(--muted);
            transition: var(--transition);
        }
        .drawer-overlay {
            position: fixed;
            inset: 0;
            background: rgba(26, 29, 35, 0.45);
            z-index: 55;
            display: none;
            backdrop-filter: blur(2px);
            -webkit-backdrop-filter: blur(2px);
        }
        .drawer-overlay.open {
            display: block;
        }
        .section {
            padding: 48px 44px;
            background: #FFFFFF;
        }
        .section-alt {
            background: #F7F9FC;
        }
        .section-soft-brand {
            background: rgba(27, 110, 194, 0.04);
        }
        .container-inner {
            max-width: 1100px;
            margin: 0 auto;
        }
        .subtitle {
            font-size: 15px;
            color: var(--muted);
            margin-bottom: 30px;
            max-width: 740px;
            line-height: 1.8;
        }
        .btn {
            display: inline-flex;
            align-items: center;
            justify-content: center;
            gap: 6px;
            padding: 12px 26px;
            border-radius: var(--btn-radius);
            font-weight: 600;
            font-size: 15px;
            line-height: 1.4;
            transition: var(--transition);
            letter-spacing: 0.3px;
            text-align: center;
        }
        .btn-primary {
            background: var(--brand);
            color: #fff;
            box-shadow: 0 4px 12px rgba(27, 110, 194, 0.25);
        }
        .btn-primary:hover {
            background: var(--brand-dark);
            box-shadow: 0 6px 20px rgba(27, 110, 194, 0.35);
            transform: translateY(-1px);
        }
        .btn-primary:active {
            background: var(--brand-dark);
            transform: translateY(1px);
            box-shadow: 0 2px 8px rgba(27, 110, 194, 0.2);
        }
        .btn-primary:focus {
            box-shadow: 0 0 0 3px var(--brand-ring);
        }
        .btn-outline {
            border: 1px solid #D0D7E2;
            background: #FFFFFF;
            color: var(--muted);
        }
        .btn-outline:hover {
            border-color: var(--brand);
            background: var(--brand-soft);
            color: var(--brand);
        }
        .btn-outline:focus {
            box-shadow: 0 0 0 3px var(--brand-ring);
        }
        .btn-sm {
            padding: 8px 16px;
            font-size: 13px;
            border-radius: 6px;
        }
        .badge {
            display: inline-flex;
            align-items: center;
            gap: 4px;
            padding: 4px 12px;
            border-radius: 999px;
            font-size: 12px;
            font-weight: 600;
            line-height: 1.4;
            letter-spacing: 0.2px;
        }
        .badge-grass {
            background: var(--grass-soft);
            color: var(--grass);
        }
        .badge-brand {
            background: var(--brand-soft);
            color: var(--brand);
        }
        .badge-warm {
            background: #FEF3E2;
            color: #C07A1D;
        }
        .card {
            background: #FFFFFF;
            border-radius: var(--card-radius);
            box-shadow: var(--shadow-card);
            border: 1px solid rgba(227, 232, 239, 0.6);
            transition: var(--transition);
            overflow: hidden;
        }
        .card:hover {
            box-shadow: var(--shadow-hover);
            transform: translateY(-2px);
            border-color: rgba(27, 110, 194, 0.2);
        }
        .h2-title {
            font-size: 26px;
            font-weight: 700;
            color: var(--ink);
            margin-bottom: 14px;
            letter-spacing: 0.3px;
            line-height: 1.35;
        }
        .h2-title::after {
            content: '';
            display: block;
            width: 48px;
            height: 3px;
            border-radius: 3px;
            background: var(--brand);
            margin-top: 10px;
        }
        .h3-title {
            font-size: 18px;
            font-weight: 600;
            color: var(--ink);
            letter-spacing: 0.3px;
            line-height: 1.45;
        }
        .section-head {
            margin-bottom: 28px;
        }
        .breadcrumb {
            display: flex;
            align-items: center;
            gap: 8px;
            font-size: 13px;
            color: var(--soft);
            flex-wrap: wrap;
            margin-bottom: 12px;
        }
        .breadcrumb a {
            color: var(--soft);
            transition: var(--transition);
        }
        .breadcrumb a:hover {
            color: var(--brand);
        }
        .breadcrumb .sep {
            color: #CBD2DC;
        }
        .breadcrumb .current {
            color: var(--muted);
            font-weight: 500;
        }
        .training-card-img {
            width: 100%;
            height: 180px;
            object-fit: cover;
            background: #E6EDF5;
        }
        .training-card-body {
            padding: 18px 20px 20px;
        }
        .topic-card {
            display: flex;
            gap: 18px;
            align-items: center;
            padding: 18px 20px;
            background: #FFFFFF;
            border-radius: var(--card-radius);
            border: 1px solid rgba(227, 232, 239, 0.6);
            box-shadow: var(--shadow-card);
            transition: var(--transition);
        }
        .topic-card:hover {
            box-shadow: var(--shadow-hover);
            transform: translateY(-2px);
        }
        .topic-card-img {
            width: 88px;
            height: 88px;
            border-radius: 10px;
            object-fit: cover;
            flex-shrink: 0;
            background: #E6EDF5;
        }
        .stat-block {
            text-align: center;
            padding: 24px 16px;
            background: #FFFFFF;
            border-radius: var(--card-radius);
            border: 1px solid rgba(227, 232, 239, 0.6);
            box-shadow: var(--shadow-card);
        }
        .stat-number {
            font-size: 34px;
            font-weight: 700;
            color: var(--brand);
            letter-spacing: 0.5px;
            line-height: 1.2;
        }
        .stat-label {
            font-size: 13px;
            color: var(--muted);
            margin-top: 6px;
        }
        .faq-item {
            border-bottom: 1px solid var(--line);
        }
        .faq-question {
            display: flex;
            align-items: center;
            justify-content: space-between;
            gap: 12px;
            padding: 16px 4px;
            cursor: pointer;
            font-size: 16px;
            font-weight: 500;
            color: var(--ink);
            transition: var(--transition);
            user-select: none;
            width: 100%;
            text-align: left;
        }
        .faq-question:hover {
            color: var(--brand);
        }
        .faq-icon {
            width: 24px;
            height: 24px;
            flex-shrink: 0;
            display: flex;
            align-items: center;
            justify-content: center;
            border-radius: 50%;
            background: var(--brand-soft);
            color: var(--brand);
            font-size: 16px;
            font-weight: 600;
            transition: var(--transition);
        }
        .faq-answer {
            max-height: 0;
            overflow: hidden;
            transition: max-height 0.3s ease, padding 0.3s ease;
            padding: 0 24px 0 4px;
            font-size: 14px;
            color: var(--muted);
            line-height: 1.7;
        }
        .faq-item.open .faq-answer {
            max-height: 300px;
            padding-bottom: 16px;
        }
        .faq-item.open .faq-icon {
            transform: rotate(45deg);
            background: var(--grass-soft);
            color: var(--grass);
        }
        .cta-box {
            background: #FFFFFF;
            border-radius: var(--card-radius);
            border: 1px solid rgba(227, 232, 239, 0.6);
            box-shadow: var(--shadow-card);
            padding: 30px 32px;
            display: flex;
            gap: 28px;
            align-items: center;
            justify-content: space-between;
            flex-wrap: wrap;
        }
        .input-field {
            width: 100%;
            padding: 12px 16px;
            border-radius: var(--btn-radius);
            border: 1px solid #D0D7E2;
            background: #FFFFFF;
            font-size: 15px;
            color: var(--ink);
            transition: var(--transition);
            line-height: 1.4;
        }
        .input-field::placeholder {
            color: var(--soft);
        }
        .input-field:focus {
            border-color: var(--brand);
            box-shadow: 0 0 0 3px var(--brand-ring);
        }
        .footer {
            background: #162033;
            color: #C6D0DE;
            padding: 40px 44px 24px;
            border-top: 1px solid rgba(255, 255, 255, 0.06);
        }
        .footer-grid {
            display: grid;
            grid-template-columns: 1.5fr 1fr 1fr;
            gap: 32px;
            max-width: 1100px;
            margin: 0 auto;
        }
        .footer h3 {
            color: #FFFFFF;
            font-size: 16px;
            font-weight: 600;
            margin-bottom: 14px;
            letter-spacing: 0.3px;
        }
        .footer a {
            color: #C6D0DE;
            font-size: 14px;
            line-height: 2.4;
            transition: var(--transition);
        }
        .footer a:hover {
            color: #FFFFFF;
        }
        .footer-copy {
            max-width: 1100px;
            margin: 28px auto 0;
            padding-top: 18px;
            border-top: 1px solid rgba(255, 255, 255, 0.1);
            font-size: 13px;
            color: #8A94A6;
            letter-spacing: 0.3px;
        }
        @media (max-width: 1024px) {
            .section {
                padding: 40px 28px;
            }
            .footer {
                padding: 36px 28px 20px;
            }
            .h2-title {
                font-size: 24px;
            }
        }
        @media (max-width: 768px) {
            .sidebar {
                display: none;
            }
            .main-area {
                margin-left: 0;
                padding-top: 64px;
            }
            .mobile-topbar {
                display: flex;
            }
            .section {
                padding: 32px 18px;
            }
            .footer {
                padding: 28px 18px 18px;
            }
            .footer-grid {
                grid-template-columns: 1fr;
                gap: 24px;
            }
            .h2-title {
                font-size: 21px;
            }
            .h2-title::after {
                width: 40px;
                height: 3px;
            }
            .stat-block {
                padding: 18px 12px;
            }
            .stat-number {
                font-size: 26px;
            }
            .cta-box {
                padding: 22px 18px;
                flex-direction: column;
                gap: 16px;
            }
            .topic-card {
                flex-direction: row;
                gap: 14px;
                padding: 14px;
            }
            .topic-card-img {
                width: 60px;
                height: 60px;
            }
        }
        @media (max-width: 520px) {
            .section {
                padding: 24px 14px;
            }
            .footer {
                padding: 22px 14px 14px;
            }
            .h2-title {
                font-size: 19px;
            }
            body {
                font-size: 14px;
            }
            .btn {
                padding: 10px 18px;
                font-size: 14px;
            }
            .breadcrumb {
                font-size: 12px;
                gap: 5px;
            }
            .training-card-img {
                height: 140px;
            }
            .training-card-body {
                padding: 14px 16px 16px;
            }
        }

/* roulang page: category5 */
:root {
            --brand: #1B6EC2;
            --brand-dark: #175EA8;
            --brand-light: #3E8BD4;
            --brand-soft: rgba(27, 110, 194, 0.08);
            --brand-ring: rgba(27, 110, 194, 0.25);
            --grass: #2E8B57;
            --grass-light: #3CA56D;
            --grass-soft: rgba(46, 139, 87, 0.12);
            --ink: #1A1D23;
            --muted: #4B5563;
            --soft: #8A94A6;
            --line: #E3E8EF;
            --paper: #FFFFFF;
            --bg: #F7F9FC;
            --card-radius: 12px;
            --btn-radius: 8px;
            --shadow-card: 0 4px 14px rgba(23, 94, 168, 0.08);
            --shadow-hover: 0 10px 28px rgba(23, 94, 168, 0.15);
            --transition: all 0.22s ease;
            --sidebar-w: 264px;
        }

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

        body {
            font-family: 'system-ui', '-apple-system', 'PingFang SC', 'Microsoft YaHei', 'Noto Sans CJK SC', sans-serif;
            color: var(--ink);
            background: var(--bg);
            line-height: 1.6;
            font-size: 15px;
            min-height: 100vh;
        }

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

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

        button,
        input {
            font-family: inherit;
            font-size: inherit;
            border: none;
            outline: none;
            background: none;
        }

        button {
            cursor: pointer;
        }

        .main-area {
            margin-left: var(--sidebar-w);
            flex: 1;
            min-width: 0;
            display: flex;
            flex-direction: column;
            background: var(--bg);
        }

        .logo-block {
            padding: 22px 20px 18px;
            border-bottom: 1px solid #E3E8EF;
            flex-shrink: 0;
        }

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

        .logo-icon {
            width: 34px;
            height: 34px;
            border-radius: 10px;
            background: var(--brand);
            color: #fff;
            display: flex;
            align-items: center;
            justify-content: center;
            font-weight: 800;
            font-size: 16px;
            flex-shrink: 0;
            box-shadow: 0 4px 10px rgba(27, 110, 194, 0.3);
        }

        .nav-section {
            flex: 1;
            padding: 16px 12px;
            overflow-y: auto;
        }

        .nav-link {
            display: flex;
            align-items: center;
            gap: 10px;
            padding: 10px 14px;
            border-radius: 8px;
            color: #4B5563;
            font-size: 15px;
            font-weight: 500;
            margin-bottom: 4px;
            position: relative;
            transition: var(--transition);
            letter-spacing: 0.3px;
        }

        .nav-link:hover {
            background: var(--brand-soft);
            color: var(--brand);
        }

        .nav-link.active {
            background: var(--brand-soft);
            color: var(--brand);
            font-weight: 700;
        }

        .nav-link.active::before {
            content: '';
            position: absolute;
            left: -12px;
            top: 50%;
            transform: translateY(-50%);
            width: 3px;
            height: 28px;
            border-radius: 0 4px 4px 0;
            background: var(--brand);
        }

        .nav-link .nav-dot {
            width: 20px;
            text-align: center;
            flex-shrink: 0;
            font-size: 16px;
        }

        .sidebar-footer {
            padding: 16px 20px;
            border-top: 1px solid #E3E8EF;
            flex-shrink: 0;
        }

        .sidebar-footer a {
            display: block;
            color: #8A94A6;
            font-size: 13px;
            padding: 6px 0;
            transition: var(--transition);
        }

        .sidebar-footer a:hover {
            color: var(--brand);
        }

        .mobile-topbar {
            display: none;
            position: fixed;
            top: 0;
            left: 0;
            right: 0;
            z-index: 60;
            background: rgba(255, 255, 255, 0.96);
            backdrop-filter: blur(12px);
            -webkit-backdrop-filter: blur(12px);
            border-bottom: 1px solid #E3E8EF;
            padding: 12px 16px;
            align-items: center;
            justify-content: space-between;
            box-shadow: 0 2px 12px rgba(23, 94, 168, 0.08);
        }

        .hamburger {
            width: 40px;
            height: 40px;
            border-radius: 8px;
            background: var(--bg);
            display: flex;
            flex-direction: column;
            align-items: center;
            justify-content: center;
            gap: 5px;
            transition: var(--transition);
        }

        .hamburger span {
            display: block;
            width: 20px;
            height: 2px;
            border-radius: 2px;
            background: var(--muted);
            transition: var(--transition);
        }

        .drawer-overlay {
            position: fixed;
            inset: 0;
            background: rgba(26, 29, 35, 0.45);
            z-index: 55;
            display: none;
            backdrop-filter: blur(2px);
        }

        .drawer-overlay.open {
            display: block;
        }

        .section {
            padding: 56px 44px;
            background: #FFFFFF;
        }

        .section-alt {
            background: #F7F9FC;
        }

        .section-flush {
            background: #FFFFFF;
        }

        .container-inner {
            max-width: 1100px;
            margin: 0 auto;
        }

        .subtitle {
            font-size: 15px;
            color: #4B5563;
            margin-bottom: 30px;
            max-width: 740px;
            line-height: 1.8;
        }

        .btn {
            display: inline-flex;
            align-items: center;
            justify-content: center;
            gap: 6px;
            padding: 12px 26px;
            border-radius: var(--btn-radius);
            font-weight: 600;
            font-size: 15px;
            transition: var(--transition);
            letter-spacing: 0.3px;
        }

        .btn-primary {
            background: var(--brand);
            color: #fff;
            box-shadow: 0 4px 14px rgba(27, 110, 194, 0.3);
        }

        .btn-primary:hover {
            background: var(--brand-dark);
            box-shadow: 0 6px 20px rgba(23, 94, 168, 0.38);
            transform: translateY(-1px);
        }

        .btn-primary:active {
            transform: translateY(1px);
            box-shadow: 0 2px 6px rgba(23, 94, 168, 0.25);
        }

        .btn-primary:focus-visible {
            outline: 3px solid var(--brand-ring);
            outline-offset: 2px;
        }

        .btn-outline {
            border: 1px solid #D0D7E2;
            color: var(--muted);
            background: #fff;
        }

        .btn-outline:hover {
            border-color: var(--brand);
            color: var(--brand);
            background: var(--brand-soft);
        }

        .btn-outline:focus-visible {
            outline: 3px solid var(--brand-ring);
            outline-offset: 2px;
        }

        .btn-grass {
            background: var(--grass);
            color: #fff;
            box-shadow: 0 4px 14px rgba(46, 139, 87, 0.3);
        }

        .btn-grass:hover {
            background: var(--grass-light);
            box-shadow: 0 6px 20px rgba(46, 139, 87, 0.38);
            transform: translateY(-1px);
        }

        .card {
            background: var(--paper);
            border-radius: var(--card-radius);
            box-shadow: var(--shadow-card);
            transition: var(--transition);
            overflow: hidden;
        }

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

        .badge {
            display: inline-flex;
            align-items: center;
            gap: 4px;
            padding: 4px 12px;
            border-radius: 999px;
            font-size: 12px;
            font-weight: 600;
            letter-spacing: 0.3px;
        }

        .badge-grass {
            background: var(--grass-soft);
            color: var(--grass);
        }

        .badge-brand {
            background: var(--brand-soft);
            color: var(--brand);
        }

        .badge-warm {
            background: #FFF7E6;
            color: #B45309;
        }

        .section-title {
            font-size: 28px;
            font-weight: 700;
            color: var(--ink);
            margin-bottom: 12px;
            letter-spacing: 0.5px;
            line-height: 1.3;
        }

        .section-title .title-accent {
            display: inline-block;
            width: 32px;
            height: 5px;
            background: var(--brand);
            border-radius: 4px;
            margin-right: 12px;
            vertical-align: middle;
        }

        .section-title .title-accent-grass {
            display: inline-block;
            width: 32px;
            height: 5px;
            background: var(--grass);
            border-radius: 4px;
            margin-right: 12px;
            vertical-align: middle;
        }

        .section-desc {
            color: var(--muted);
            font-size: 15px;
            line-height: 1.8;
            margin-bottom: 32px;
            max-width: 780px;
        }

        .footer {
            background: #162033;
            color: #B8C4D8;
            padding: 48px 44px 24px;
            margin-top: 0;
        }

        .footer-grid {
            display: grid;
            grid-template-columns: 2fr 1fr 1fr;
            gap: 40px;
            max-width: 1100px;
            margin: 0 auto;
        }

        .footer h3 {
            color: #FFFFFF;
            font-size: 16px;
            font-weight: 600;
            margin-bottom: 16px;
        }

        .footer a {
            color: #B8C4D8;
            font-size: 14px;
            line-height: 2;
            display: inline-block;
        }

        .footer a:hover {
            color: #FFFFFF;
        }

        .footer p {
            font-size: 14px;
            line-height: 1.8;
            color: #8A94A6;
        }

        .footer-copy {
            max-width: 1100px;
            margin: 32px auto 0;
            padding-top: 16px;
            border-top: 1px solid rgba(255, 255, 255, 0.1);
            font-size: 13px;
            color: #8A94A6;
            text-align: center;
        }

        .rating-stars {
            color: #F5A623;
            font-size: 14px;
            letter-spacing: 2px;
        }

        .gear-card {
            display: grid;
            grid-template-columns: 220px 1fr;
            gap: 24px;
            padding: 24px;
            margin-bottom: 20px;
            border-radius: var(--card-radius);
            background: var(--paper);
            box-shadow: var(--shadow-card);
            transition: var(--transition);
            border: 1px solid var(--line);
        }

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

        .gear-card .gear-img-wrap {
            border-radius: 8px;
            overflow: hidden;
            aspect-ratio: 4/3;
            background: var(--bg);
        }

        .gear-card .gear-img-wrap img {
            width: 100%;
            height: 100%;
            object-fit: cover;
        }

        .gear-card .gear-content h3 {
            font-size: 19px;
            font-weight: 700;
            color: var(--ink);
            margin-bottom: 8px;
            line-height: 1.4;
        }

        .gear-card .gear-content .gear-meta {
            display: flex;
            flex-wrap: wrap;
            gap: 8px 16px;
            font-size: 13px;
            color: var(--soft);
            margin-bottom: 12px;
        }

        .gear-card .gear-content .gear-summary {
            font-size: 14px;
            color: var(--muted);
            line-height: 1.8;
            margin-bottom: 14px;
        }

        .gear-card .gear-content .gear-score {
            display: flex;
            align-items: center;
            gap: 12px;
        }

        .gear-card .gear-content .gear-score .score-num {
            font-size: 28px;
            font-weight: 800;
            color: var(--brand);
            line-height: 1;
        }

        .gear-card .gear-content .gear-score .score-label {
            font-size: 13px;
            color: var(--soft);
        }

        .filter-bar {
            display: flex;
            flex-wrap: wrap;
            gap: 10px;
            align-items: center;
            padding: 14px 16px;
            background: var(--bg);
            border-radius: 8px;
            border: 1px solid var(--line);
            margin-bottom: 28px;
        }

        .filter-bar .filter-label {
            font-size: 14px;
            font-weight: 600;
            color: var(--muted);
            margin-right: 6px;
        }

        .filter-chip {
            padding: 6px 16px;
            border-radius: 999px;
            font-size: 13px;
            background: #fff;
            color: var(--muted);
            border: 1px solid var(--line);
            transition: var(--transition);
        }

        .filter-chip:hover {
            border-color: var(--brand);
            color: var(--brand);
            background: var(--brand-soft);
        }

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

        .topic-card {
            padding: 24px;
            border-radius: var(--card-radius);
            background: var(--paper);
            box-shadow: var(--shadow-card);
            border: 1px solid var(--line);
            transition: var(--transition);
        }

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

        .topic-card h3 {
            font-size: 17px;
            font-weight: 700;
            color: var(--ink);
            margin-bottom: 8px;
        }

        .topic-card p {
            font-size: 14px;
            color: var(--muted);
            line-height: 1.7;
        }

        .stat-block {
            display: grid;
            grid-template-columns: repeat(4, 1fr);
            gap: 20px;
        }

        .stat-item {
            background: #FFFFFF;
            border-radius: var(--card-radius);
            padding: 24px 20px;
            text-align: center;
            box-shadow: var(--shadow-card);
            border: 1px solid var(--line);
        }

        .stat-item .stat-num {
            font-size: 32px;
            font-weight: 800;
            color: var(--brand);
            line-height: 1.2;
        }

        .stat-item .stat-label {
            font-size: 13px;
            color: var(--muted);
            margin-top: 6px;
        }

        .faq-item {
            border-bottom: 1px solid var(--line);
            transition: var(--transition);
        }

        .faq-item:first-child {
            border-top: 1px solid var(--line);
        }

        .faq-question {
            width: 100%;
            display: flex;
            align-items: center;
            justify-content: space-between;
            padding: 16px 4px;
            font-size: 16px;
            font-weight: 500;
            color: var(--ink);
            text-align: left;
            transition: var(--transition);
            gap: 12px;
        }

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

        .faq-question .faq-icon {
            flex-shrink: 0;
            width: 22px;
            height: 22px;
            border-radius: 50%;
            border: 1.5px solid var(--brand);
            color: var(--brand);
            display: flex;
            align-items: center;
            justify-content: center;
            font-size: 14px;
            font-weight: 700;
            transition: var(--transition);
        }

        .faq-question .faq-icon.open {
            background: var(--brand);
            color: #fff;
        }

        .faq-answer {
            max-height: 0;
            overflow: hidden;
            transition: max-height 0.3s ease, padding 0.3s ease;
            color: var(--muted);
            font-size: 14px;
            line-height: 1.8;
            padding: 0 4px;
        }

        .faq-answer.open {
            max-height: 200px;
            padding: 0 4px 16px;
        }

        .cta-box {
            background: linear-gradient(135deg, #1B6EC2 0%, #175EA8 50%, #0F7A8C 100%);
            border-radius: var(--card-radius);
            padding: 40px 36px;
            color: #fff;
            display: grid;
            grid-template-columns: 1.5fr 1fr;
            gap: 32px;
            align-items: center;
        }

        .cta-box h2 {
            font-size: 24px;
            font-weight: 700;
            margin-bottom: 10px;
            color: #fff;
        }

        .cta-box p {
            font-size: 15px;
            line-height: 1.8;
            color: rgba(255, 255, 255, 0.85);
            margin-bottom: 20px;
        }

        .cta-box .cta-form {
            display: flex;
            gap: 10px;
            flex-wrap: wrap;
        }

        .cta-box .cta-form input {
            flex: 1;
            min-width: 180px;
            padding: 12px 18px;
            border-radius: var(--btn-radius);
            background: #fff;
            color: var(--ink);
            font-size: 14px;
            border: 1px solid transparent;
            transition: var(--transition);
        }

        .cta-box .cta-form input:focus {
            border-color: var(--brand-light);
            box-shadow: 0 0 0 3px var(--brand-ring);
        }

        .cta-box .cta-form button {
            padding: 12px 24px;
            border-radius: var(--btn-radius);
            background: var(--grass);
            color: #fff;
            font-weight: 600;
            font-size: 15px;
            transition: var(--transition);
            white-space: nowrap;
        }

        .cta-box .cta-form button:hover {
            background: var(--grass-light);
            transform: translateY(-1px);
        }

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

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

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

        .breadcrumb .sep {
            color: #D0D7E2;
        }

        .category-header {
            padding: 44px 44px 32px;
            background: linear-gradient(135deg, #FFFFFF 0%, #F0F6FC 60%, #E8F5EE 100%);
            border-bottom: 1px solid var(--line);
        }

        .category-header h1 {
            font-size: 34px;
            font-weight: 700;
            color: var(--ink);
            margin-bottom: 10px;
            letter-spacing: 0.5px;
        }

        .category-header .cat-desc {
            font-size: 15px;
            color: var(--muted);
            line-height: 1.8;
            max-width: 700px;
        }

        @media (max-width: 1024px) {
            :root {
                --sidebar-w: 220px;
            }

            .section {
                padding: 40px 28px;
            }

            .category-header {
                padding: 32px 28px 24px;
            }

            .gear-card {
                grid-template-columns: 180px 1fr;
                gap: 18px;
                padding: 18px;
            }

            .stat-block {
                grid-template-columns: repeat(2, 1fr);
                gap: 16px;
            }

            .footer {
                padding: 36px 28px 20px;
            }

            .footer-grid {
                gap: 24px;
            }
        }

        @media (max-width: 768px) {
            :root {
                --sidebar-w: 0px;
            }

            .sidebar {
                display: none;
            }

            .main-area {
                margin-left: 0;
                padding-top: 64px;
            }

            .mobile-topbar {
                display: flex;
            }

            .mobile-drawer {
                display: block;
            }

            .section {
                padding: 28px 18px;
            }

            .category-header {
                padding: 24px 18px 20px;
            }

            .category-header h1 {
                font-size: 26px;
            }

            .section-title {
                font-size: 20px;
            }

            .section-desc {
                font-size: 14px;
            }

            .gear-card {
                grid-template-columns: 1fr;
                gap: 14px;
                padding: 16px;
            }

            .gear-card .gear-img-wrap {
                aspect-ratio: 16/9;
            }

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

            .stat-item .stat-num {
                font-size: 24px;
            }

            .cta-box {
                grid-template-columns: 1fr;
                padding: 28px 20px;
                gap: 20px;
            }

            .cta-box h2 {
                font-size: 20px;
            }

            .footer {
                padding: 28px 18px 16px;
            }

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

            .footer-copy {
                margin-top: 20px;
                padding-top: 12px;
                font-size: 12px;
            }

            .filter-bar {
                gap: 6px;
                padding: 10px 12px;
            }

            .filter-chip {
                padding: 5px 12px;
                font-size: 12px;
            }
        }

        @media (max-width: 520px) {
            .section {
                padding: 20px 12px;
            }

            .category-header {
                padding: 18px 12px 14px;
            }

            .category-header h1 {
                font-size: 22px;
            }

            .section-title {
                font-size: 18px;
                line-height: 1.4;
            }

            .section-desc {
                font-size: 13px;
                margin-bottom: 20px;
            }

            .gear-card .gear-content .gear-score .score-num {
                font-size: 22px;
            }

            .stat-block {
                grid-template-columns: 1fr;
                gap: 10px;
            }

            .stat-item .stat-num {
                font-size: 20px;
            }

            .cta-box .cta-form {
                flex-direction: column;
            }

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

            .btn {
                padding: 10px 18px;
                font-size: 13px;
            }

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

/* roulang page: category6 */
:root {
            --brand: #1B6EC2;
            --brand-dark: #175EA8;
            --brand-light: #3E8BD4;
            --brand-soft: rgba(27, 110, 194, 0.08);
            --brand-ring: rgba(27, 110, 194, 0.25);
            --grass: #2E8B57;
            --grass-light: #3CA56D;
            --grass-soft: rgba(46, 139, 87, 0.12);
            --ink: #1A1D23;
            --muted: #4B5563;
            --soft: #8A94A6;
            --line: #E3E8EF;
            --paper: #FFFFFF;
            --bg: #F7F9FC;
            --card-radius: 12px;
            --btn-radius: 8px;
            --shadow-card: 0 4px 14px rgba(23, 94, 168, 0.08);
            --shadow-hover: 0 10px 28px rgba(23, 94, 168, 0.15);
            --transition: all 0.22s ease;
            --sidebar-w: 264px;
        }

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

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

        body {
            font-family: system-ui, -apple-system, 'PingFang SC', 'Microsoft YaHei', 'Noto Sans CJK SC', sans-serif;
            color: var(--ink);
            background: var(--bg);
            line-height: 1.7;
            font-size: 15px;
            min-height: 100vh;
            display: flex;
            flex-direction: column;
        }

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

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

        button,
        input {
            font-family: inherit;
            font-size: inherit;
            border: none;
            outline: none;
            background: none;
        }

        button {
            cursor: pointer;
        }

        .app-shell {
            display: flex;
            min-height: 100vh;
            width: 100%;
        }

        .sidebar {
            width: var(--sidebar-w);
            background: #FFFFFF;
            border-right: 1px solid var(--line);
            display: flex;
            flex-direction: column;
            position: fixed;
            top: 0;
            left: 0;
            bottom: 0;
            z-index: 50;
            flex-shrink: 0;
            overflow-y: auto;
        }

        .main-area {
            margin-left: var(--sidebar-w);
            flex: 1;
            min-width: 0;
            display: flex;
            flex-direction: column;
            background: var(--bg);
        }

        .logo-block {
            padding: 22px 20px 18px;
            border-bottom: 1px solid var(--line);
            flex-shrink: 0;
        }

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

        .logo-icon {
            width: 36px;
            height: 36px;
            border-radius: 10px;
            background: var(--brand);
            color: #fff;
            display: flex;
            align-items: center;
            justify-content: center;
            font-weight: 800;
            font-size: 18px;
            flex-shrink: 0;
            box-shadow: 0 4px 10px rgba(27, 110, 194, 0.3);
        }

        .nav-section {
            flex: 1;
            padding: 16px 12px;
            overflow-y: auto;
        }

        .nav-link {
            display: flex;
            align-items: center;
            gap: 10px;
            padding: 10px 14px;
            border-radius: 8px;
            color: #4B5563;
            font-size: 15px;
            font-weight: 500;
            margin-bottom: 4px;
            position: relative;
            transition: var(--transition);
            letter-spacing: 0.3px;
        }

        .nav-link:hover {
            background: var(--brand-soft);
            color: var(--brand);
        }

        .nav-link.active {
            background: var(--brand-soft);
            color: var(--brand);
            font-weight: 700;
        }

        .nav-link.active::before {
            content: '';
            position: absolute;
            left: -12px;
            top: 50%;
            transform: translateY(-50%);
            width: 3px;
            height: 28px;
            border-radius: 0 4px 4px 0;
            background: var(--brand);
        }

        .nav-link .nav-dot {
            width: 20px;
            text-align: center;
            flex-shrink: 0;
            font-size: 16px;
        }

        .sidebar-footer {
            padding: 16px 20px;
            border-top: 1px solid var(--line);
            flex-shrink: 0;
        }

        .sidebar-footer a {
            display: block;
            color: #8A94A6;
            font-size: 13px;
            padding: 6px 0;
            transition: var(--transition);
        }

        .sidebar-footer a:hover {
            color: var(--brand);
        }

        .mobile-topbar {
            display: none;
            position: fixed;
            top: 0;
            left: 0;
            right: 0;
            z-index: 60;
            background: rgba(255, 255, 255, 0.96);
            backdrop-filter: blur(12px);
            -webkit-backdrop-filter: blur(12px);
            border-bottom: 1px solid var(--line);
            padding: 12px 16px;
            align-items: center;
            justify-content: space-between;
            box-shadow: 0 2px 12px rgba(23, 94, 168, 0.08);
        }

        .hamburger {
            width: 40px;
            height: 40px;
            border-radius: 8px;
            background: var(--bg);
            display: flex;
            flex-direction: column;
            align-items: center;
            justify-content: center;
            gap: 5px;
            transition: var(--transition);
        }

        .hamburger span {
            display: block;
            width: 20px;
            height: 2px;
            border-radius: 2px;
            background: var(--muted);
            transition: var(--transition);
        }

        .drawer-overlay {
            position: fixed;
            inset: 0;
            background: rgba(26, 29, 35, 0.45);
            z-index: 55;
            display: none;
            backdrop-filter: blur(2px);
        }

        .drawer-overlay.open {
            display: block;
        }

        .section {
            padding: 56px 44px;
            background: #FFFFFF;
        }

        .section-alt {
            background: #F7F9FC;
        }

        .section-flush {
            background: #FFFFFF;
        }

        .container-inner {
            max-width: 1100px;
            margin: 0 auto;
        }

        .breadcrumb {
            display: flex;
            align-items: center;
            gap: 6px;
            font-size: 14px;
            color: var(--soft);
            margin-bottom: 16px;
            flex-wrap: wrap;
        }

        .breadcrumb a {
            color: var(--brand);
            font-weight: 500;
        }

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

        .breadcrumb .sep {
            color: #CBD5E1;
        }

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

        .category-header {
            padding: 40px 44px 32px;
            background: #FFFFFF;
            border-bottom: 1px solid var(--line);
        }

        .category-header h1 {
            font-size: 34px;
            font-weight: 700;
            color: var(--ink);
            letter-spacing: 0.5px;
            line-height: 1.3;
            margin-bottom: 12px;
        }

        .category-header .header-desc {
            font-size: 16px;
            color: var(--muted);
            max-width: 680px;
            line-height: 1.8;
        }

        .filter-bar {
            display: flex;
            align-items: center;
            gap: 8px;
            flex-wrap: wrap;
            margin-bottom: 20px;
        }

        .filter-chip {
            padding: 7px 16px;
            border-radius: 999px;
            font-size: 13px;
            font-weight: 500;
            color: var(--muted);
            background: #FFFFFF;
            border: 1px solid var(--line);
            transition: var(--transition);
            cursor: default;
            letter-spacing: 0.3px;
        }

        .filter-chip.hot {
            background: var(--brand);
            color: #fff;
            border-color: var(--brand);
        }

        .filter-chip.grass {
            background: var(--grass-soft);
            color: var(--grass);
            border-color: transparent;
        }

        .topic-list {
            display: flex;
            flex-direction: column;
            gap: 12px;
        }

        .topic-item {
            display: flex;
            align-items: flex-start;
            gap: 16px;
            background: #FFFFFF;
            border: 1px solid var(--line);
            border-radius: var(--card-radius);
            padding: 20px 22px;
            transition: var(--transition);
            cursor: default;
        }

        .topic-item:hover {
            box-shadow: var(--shadow-hover);
            transform: translateY(-2px);
            border-color: rgba(27, 110, 194, 0.2);
        }

        .topic-avatar {
            width: 44px;
            height: 44px;
            border-radius: 999px;
            background: var(--brand-soft);
            color: var(--brand);
            display: flex;
            align-items: center;
            justify-content: center;
            font-weight: 700;
            font-size: 16px;
            flex-shrink: 0;
        }

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

        .topic-title {
            font-size: 17px;
            font-weight: 600;
            color: var(--ink);
            line-height: 1.5;
            margin-bottom: 6px;
        }

        .topic-summary {
            font-size: 14px;
            color: var(--muted);
            line-height: 1.7;
            margin-bottom: 10px;
        }

        .topic-meta {
            display: flex;
            align-items: center;
            gap: 14px;
            flex-wrap: wrap;
            font-size: 13px;
            color: var(--soft);
        }

        .topic-meta .meta-item {
            display: flex;
            align-items: center;
            gap: 4px;
        }

        .topic-tag {
            padding: 3px 10px;
            border-radius: 6px;
            font-size: 12px;
            font-weight: 500;
            background: var(--grass-soft);
            color: var(--grass);
        }

        .topic-tag.blue {
            background: var(--brand-soft);
            color: var(--brand);
        }

        .topic-thumb {
            width: 96px;
            height: 72px;
            border-radius: 8px;
            object-fit: cover;
            flex-shrink: 0;
        }

        .btn {
            display: inline-flex;
            align-items: center;
            justify-content: center;
            gap: 6px;
            padding: 12px 26px;
            border-radius: var(--btn-radius);
            font-size: 15px;
            font-weight: 600;
            letter-spacing: 0.3px;
            transition: var(--transition);
            position: relative;
        }

        .btn-primary {
            background: var(--brand);
            color: #fff;
            box-shadow: 0 4px 12px rgba(27, 110, 194, 0.3);
        }

        .btn-primary:hover {
            background: var(--brand-dark);
            box-shadow: 0 6px 18px rgba(27, 110, 194, 0.35);
            transform: translateY(-1px);
        }

        .btn-primary:active {
            transform: translateY(1px);
            box-shadow: 0 2px 8px rgba(27, 110, 194, 0.3);
        }

        .btn-primary:focus-visible {
            outline: 3px solid var(--brand-ring);
            outline-offset: 2px;
        }

        .btn-outline {
            background: #FFFFFF;
            color: var(--brand);
            border: 1px solid #D0D7E2;
        }

        .btn-outline:hover {
            border-color: var(--brand);
            background: var(--brand-soft);
        }

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

        .btn-outline:focus-visible {
            outline: 3px solid var(--brand-ring);
            outline-offset: 2px;
        }

        .card {
            background: #FFFFFF;
            border-radius: var(--card-radius);
            box-shadow: var(--shadow-card);
            overflow: hidden;
            transition: var(--transition);
        }

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

        .card-img {
            width: 100%;
            height: 180px;
            object-fit: cover;
        }

        .card-body {
            padding: 20px 22px;
        }

        .card-title {
            font-size: 18px;
            font-weight: 600;
            color: var(--ink);
            margin-bottom: 8px;
            line-height: 1.5;
        }

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

        .h2-style {
            font-size: 26px;
            font-weight: 700;
            color: var(--ink);
            letter-spacing: 0.5px;
            line-height: 1.4;
            margin-bottom: 8px;
            position: relative;
            padding-left: 16px;
        }

        .h2-style::before {
            content: '';
            position: absolute;
            left: 0;
            top: 50%;
            transform: translateY(-50%);
            width: 4px;
            height: 26px;
            border-radius: 4px;
            background: var(--brand);
        }

        .subtitle {
            font-size: 15px;
            color: var(--muted);
            margin-bottom: 30px;
            max-width: 740px;
            line-height: 1.8;
        }

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

        .stat-card {
            background: #FFFFFF;
            border-radius: var(--card-radius);
            padding: 24px 20px;
            text-align: center;
            border: 1px solid var(--line);
            transition: var(--transition);
        }

        .stat-card:hover {
            border-color: rgba(27, 110, 194, 0.25);
            box-shadow: var(--shadow-card);
        }

        .stat-number {
            font-size: 32px;
            font-weight: 700;
            color: var(--brand);
            line-height: 1.2;
            letter-spacing: 0.5px;
        }

        .stat-label {
            font-size: 14px;
            color: var(--muted);
            margin-top: 8px;
        }

        .faq-list {
            border-top: 1px solid var(--line);
        }

        .faq-item {
            border-bottom: 1px solid var(--line);
            transition: var(--transition);
        }

        .faq-question {
            display: flex;
            align-items: center;
            justify-content: space-between;
            gap: 16px;
            width: 100%;
            padding: 16px 4px;
            font-size: 16px;
            font-weight: 500;
            color: var(--ink);
            text-align: left;
            transition: var(--transition);
            line-height: 1.5;
        }

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

        .faq-icon {
            flex-shrink: 0;
            width: 24px;
            height: 24px;
            display: flex;
            align-items: center;
            justify-content: center;
            color: var(--brand);
            font-size: 18px;
            transition: transform 0.3s ease;
        }

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

        .faq-answer {
            max-height: 0;
            overflow: hidden;
            transition: max-height 0.32s ease, padding 0.32s ease;
            padding: 0 4px;
            font-size: 14px;
            color: var(--muted);
            line-height: 1.8;
        }

        .faq-item.open .faq-answer {
            max-height: 220px;
            padding: 0 4px 16px 4px;
        }

        .cta-panel {
            background: linear-gradient(135deg, #FFFFFF 0%, #F5F8FC 100%);
            border: 1px solid var(--line);
            border-radius: var(--card-radius);
            padding: 32px 36px;
            display: flex;
            align-items: center;
            gap: 32px;
            flex-wrap: wrap;
        }

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

        .cta-panel h3 {
            font-size: 22px;
            font-weight: 700;
            color: var(--ink);
            margin-bottom: 8px;
        }

        .cta-panel p {
            font-size: 15px;
            color: var(--muted);
            line-height: 1.7;
        }

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

        .cta-input {
            flex: 1;
            min-width: 220px;
            padding: 12px 16px;
            border: 1px solid #D0D7E2;
            border-radius: var(--btn-radius);
            font-size: 15px;
            background: #FFFFFF;
            color: var(--ink);
            transition: var(--transition);
        }

        .cta-input:focus {
            border-color: var(--brand);
            box-shadow: 0 0 0 3px var(--brand-ring);
        }

        .cta-input::placeholder {
            color: #A0AAB8;
        }

        .footer {
            background: #162033;
            color: #C7D0DD;
            padding: 40px 44px 28px;
            margin-top: auto;
        }

        .footer-grid {
            display: grid;
            grid-template-columns: 2fr 1fr 1fr;
            gap: 32px;
            max-width: 1100px;
            margin: 0 auto;
            margin-bottom: 24px;
        }

        .footer h3 {
            color: #FFFFFF;
            font-size: 16px;
            font-weight: 600;
            margin-bottom: 14px;
            letter-spacing: 0.3px;
        }

        .footer a {
            color: #C7D0DD;
            font-size: 14px;
            line-height: 2.1;
            transition: var(--transition);
        }

        .footer a:hover {
            color: #FFFFFF;
        }

        .footer p {
            font-size: 14px;
            line-height: 1.8;
            color: #C7D0DD;
        }

        .footer-copy {
            max-width: 1100px;
            margin: 0 auto;
            border-top: 1px solid rgba(255, 255, 255, 0.1);
            padding-top: 20px;
            font-size: 13px;
            color: #8A94A6;
            text-align: center;
        }

        @media (max-width: 1024px) {
            .section {
                padding: 40px 28px;
            }
            .category-header {
                padding: 32px 28px 24px;
            }
            .footer {
                padding: 32px 28px 20px;
            }
            .stat-grid {
                grid-template-columns: repeat(2, 1fr);
            }
        }

        @media (max-width: 768px) {
            .sidebar {
                transform: translateX(-100%);
                transition: transform 0.28s ease;
                width: 280px;
                z-index: 70;
            }
            .sidebar.open {
                transform: translateX(0);
            }
            .main-area {
                margin-left: 0;
            }
            .mobile-topbar {
                display: flex;
            }
            .section {
                padding: 32px 18px;
            }
            .category-header {
                padding: 24px 18px 20px;
                margin-top: 60px;
            }
            .category-header h1 {
                font-size: 26px;
            }
            .h2-style {
                font-size: 20px;
                padding-left: 12px;
            }
            .h2-style::before {
                height: 20px;
                width: 3px;
            }
            .topic-item {
                padding: 16px;
                gap: 12px;
            }
            .topic-thumb {
                width: 72px;
                height: 54px;
            }
            .topic-title {
                font-size: 15px;
            }
            .topic-summary {
                font-size: 13px;
            }
            .stat-grid {
                grid-template-columns: repeat(2, 1fr);
                gap: 12px;
            }
            .stat-number {
                font-size: 24px;
            }
            .cta-panel {
                padding: 24px 20px;
                flex-direction: column;
                align-items: stretch;
            }
            .cta-form {
                flex-direction: column;
            }
            .cta-input {
                min-width: 100%;
            }
            .footer-grid {
                grid-template-columns: 1fr;
                gap: 20px;
            }
            .footer {
                padding: 28px 20px 16px;
            }
            .container-inner {
                max-width: 100%;
            }
        }

        @media (max-width: 480px) {
            .category-header h1 {
                font-size: 24px;
            }
            .category-header .header-desc {
                font-size: 14px;
            }
            .section {
                padding: 24px 14px;
            }
            .h2-style {
                font-size: 18px;
            }
            .subtitle {
                font-size: 14px;
            }
            .topic-item {
                flex-wrap: wrap;
            }
            .topic-thumb {
                width: 100%;
                height: auto;
                max-height: 140px;
                margin-top: 8px;
            }
            .stat-grid {
                grid-template-columns: 1fr 1fr;
                gap: 8px;
            }
            .stat-card {
                padding: 16px 12px;
            }
            .stat-number {
                font-size: 20px;
            }
            .footer-grid {
                grid-template-columns: 1fr;
            }
            .btn {
                padding: 10px 20px;
                font-size: 14px;
            }
            body {
                font-size: 14px;
            }
        }