/* roulang page: index */
:root {
            --navy: #0A1F3F;
            --gold: #D4AF37;
            --gold-light: #E8C860;
            --orange: #FF6B35;
            --orange-dark: #E55A2B;
            --bg-light: #F8F9FA;
            --text-main: #2D3748;
            --text-sub: #718096;
            --card-border: #E2E8F0;
            --card-shadow: 0 2px 20px rgba(0, 0, 0, 0.05);
            --card-shadow-hover: 0 8px 30px rgba(0, 0, 0, 0.1);
            --radius-card: 12px;
            --radius-btn: 8px;
            --sidebar-width: 280px;
            --transition-fast: 0.2s ease;
            --transition-smooth: 0.3s ease;
        }

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

        html {
            scroll-behavior: smooth;
            font-size: 16px;
        }

        body {
            font-family: 'PingFang SC', 'Microsoft YaHei', 'system-ui', 'sans-serif';
            color: var(--text-main);
            background-color: var(--bg-light);
            line-height: 1.8;
            -webkit-font-smoothing: antialiased;
            -moz-osx-font-smoothing: grayscale;
            overflow-x: hidden;
        }

        a {
            color: inherit;
            text-decoration: none;
            transition: color var(--transition-fast);
        }
        a:hover {
            color: var(--gold);
        }
        img {
            max-width: 100%;
            height: auto;
            display: block;
        }
        button {
            cursor: pointer;
            font-family: inherit;
            border: none;
            outline: none;
        }
        input {
            font-family: inherit;
            outline: none;
        }

        /* ========== 侧边栏 ========== */
        .sidebar {
            position: fixed;
            top: 0;
            left: 0;
            width: var(--sidebar-width);
            height: 100vh;
            background-color: var(--navy);
            z-index: 1000;
            display: flex;
            flex-direction: column;
            padding: 28px 20px 20px;
            overflow-y: auto;
            transition: transform var(--transition-smooth);
        }
        .sidebar-logo {
            font-size: 24px;
            font-weight: 700;
            color: var(--gold);
            letter-spacing: 0.5px;
            margin-bottom: 40px;
            padding-left: 8px;
            line-height: 1.3;
            white-space: nowrap;
        }
        .sidebar-nav {
            flex: 1;
            display: flex;
            flex-direction: column;
            gap: 6px;
            list-style: none;
        }
        .sidebar-nav li a {
            display: flex;
            align-items: center;
            padding: 12px 16px;
            color: #cbd5e0;
            font-size: 15px;
            border-radius: 8px;
            transition: all var(--transition-smooth);
            position: relative;
            border-left: 3px solid transparent;
            white-space: nowrap;
        }
        .sidebar-nav li a:hover,
        .sidebar-nav li a.active {
            color: #ffffff;
            background-color: rgba(212, 175, 55, 0.08);
            border-left-color: var(--gold);
            padding-left: 20px;
        }
        .sidebar-nav li a.active {
            color: var(--gold);
            font-weight: 600;
        }
        .sidebar-bottom {
            margin-top: auto;
            padding-top: 16px;
        }
        .sidebar-cta {
            display: block;
            width: 100%;
            background-color: var(--orange);
            color: #fff;
            text-align: center;
            padding: 13px 20px;
            border-radius: var(--radius-btn);
            font-weight: 600;
            font-size: 15px;
            transition: all var(--transition-smooth);
            letter-spacing: 0.3px;
        }
        .sidebar-cta:hover {
            background-color: var(--orange-dark);
            transform: scale(1.02);
            color: #fff;
        }
        .sidebar-search-icon {
            display: flex;
            align-items: center;
            justify-content: center;
            width: 40px;
            height: 40px;
            border-radius: 50%;
            background: rgba(255, 255, 255, 0.06);
            color: #cbd5e0;
            margin: 0 auto 12px;
            cursor: pointer;
            transition: all var(--transition-fast);
            font-size: 16px;
        }
        .sidebar-search-icon:hover {
            background: rgba(255, 255, 255, 0.14);
            color: #fff;
        }

        /* ========== 主内容区 ========== */
        .main-content {
            margin-left: var(--sidebar-width);
            min-height: 100vh;
            background: var(--bg-light);
        }
        .container-main {
            max-width: 1100px;
            margin: 0 auto;
            padding: 0 32px;
        }

        /* ========== 移动端顶部导航 ========== */
        .mobile-header {
            display: none;
            position: fixed;
            top: 0;
            left: 0;
            right: 0;
            height: 60px;
            background-color: var(--navy);
            z-index: 999;
            align-items: center;
            padding: 0 16px;
            justify-content: space-between;
        }
        .mobile-header .mobile-logo {
            font-size: 18px;
            font-weight: 700;
            color: var(--gold);
            letter-spacing: 0.3px;
        }
        .hamburger {
            width: 36px;
            height: 36px;
            display: flex;
            flex-direction: column;
            justify-content: center;
            gap: 5px;
            cursor: pointer;
            background: none;
            border: none;
            padding: 6px;
            z-index: 1001;
        }
        .hamburger span {
            display: block;
            width: 24px;
            height: 2px;
            background: #fff;
            border-radius: 2px;
            transition: all var(--transition-smooth);
        }
        .hamburger.open span:nth-child(1) {
            transform: rotate(45deg) translate(5px, 5px);
        }
        .hamburger.open span:nth-child(2) {
            opacity: 0;
        }
        .hamburger.open span:nth-child(3) {
            transform: rotate(-45deg) translate(5px, -5px);
        }
        .mobile-menu {
            display: none;
            position: fixed;
            top: 60px;
            left: 0;
            right: 0;
            background: #fff;
            z-index: 998;
            box-shadow: 0 8px 30px rgba(0, 0, 0, 0.12);
            padding: 12px 0;
            flex-direction: column;
            list-style: none;
        }
        .mobile-menu.open {
            display: flex;
        }
        .mobile-menu li a {
            display: block;
            padding: 14px 24px;
            color: var(--text-main);
            font-size: 15px;
            border-left: 3px solid transparent;
            transition: all var(--transition-fast);
        }
        .mobile-menu li a:hover,
        .mobile-menu li a.active {
            color: var(--gold);
            border-left-color: var(--gold);
            background: #fef9ee;
        }

        /* ========== Section 通用 ========== */
        .section-block {
            padding: 80px 0;
        }
        .section-block-sm {
            padding: 50px 0;
        }
        .section-title {
            font-size: 30px;
            font-weight: 700;
            color: var(--navy);
            margin-bottom: 12px;
            line-height: 1.3;
        }
        .section-subtitle {
            font-size: 16px;
            color: var(--text-sub);
            line-height: 1.7;
            max-width: 680px;
        }
        .section-tag {
            display: inline-block;
            font-size: 13px;
            font-weight: 600;
            color: var(--orange);
            letter-spacing: 1px;
            text-transform: uppercase;
            margin-bottom: 8px;
        }

        /* ========== 卡片 ========== */
        .card-base {
            background: #fff;
            border-radius: var(--radius-card);
            border: 1px solid var(--card-border);
            box-shadow: var(--card-shadow);
            transition: all var(--transition-smooth);
        }
        .card-base:hover {
            box-shadow: var(--card-shadow-hover);
            transform: translateY(-4px);
        }
        .card-padded {
            padding: 28px;
        }

        /* ========== 按钮 ========== */
        .btn-primary {
            display: inline-block;
            background-color: var(--orange);
            color: #fff;
            padding: 13px 28px;
            border-radius: var(--radius-btn);
            font-weight: 600;
            font-size: 15px;
            transition: all var(--transition-smooth);
            letter-spacing: 0.3px;
            text-align: center;
        }
        .btn-primary:hover {
            background-color: var(--orange-dark);
            transform: scale(1.02);
            box-shadow: 0 6px 20px rgba(255, 107, 53, 0.3);
            color: #fff;
        }
        .btn-outline {
            display: inline-block;
            background: transparent;
            color: var(--navy);
            border: 2px solid var(--gold);
            padding: 11px 26px;
            border-radius: var(--radius-btn);
            font-weight: 600;
            font-size: 15px;
            transition: all var(--transition-smooth);
            letter-spacing: 0.3px;
            text-align: center;
        }
        .btn-outline:hover {
            background-color: var(--gold);
            color: #fff;
            transform: scale(1.02);
        }
        .btn-sm {
            padding: 8px 18px;
            font-size: 13px;
            border-radius: 6px;
        }

        /* ========== Hero Bento ========== */
        .hero-bento {
            display: grid;
            grid-template-columns: 1fr 1fr;
            grid-template-rows: auto auto;
            gap: 20px;
            padding: 60px 0 40px;
            min-height: 520px;
        }
        .hero-bento-main {
            grid-row: 1 / 3;
            background: linear-gradient(135deg, #0A1F3F 0%, #132d5a 50%, #0a1f3f 100%);
            border-radius: 16px;
            padding: 48px 40px;
            display: flex;
            flex-direction: column;
            justify-content: center;
            color: #fff;
            position: relative;
            overflow: hidden;
        }
        .hero-bento-main::after {
            content: '';
            position: absolute;
            top: -60px;
            right: -80px;
            width: 300px;
            height: 300px;
            border-radius: 50%;
            background: rgba(212, 175, 55, 0.06);
            pointer-events: none;
        }
        .hero-bento-main h1 {
            font-size: 40px;
            font-weight: 700;
            line-height: 1.25;
            color: #fff;
            position: relative;
            z-index: 1;
            letter-spacing: 0.5px;
        }
        .hero-bento-main .hero-sub {
            font-size: 17px;
            color: #cbd5e0;
            margin-top: 16px;
            line-height: 1.7;
            position: relative;
            z-index: 1;
            max-width: 440px;
        }
        .hero-bento-main .hero-cta-wrap {
            margin-top: 28px;
            position: relative;
            z-index: 1;
            display: flex;
            gap: 12px;
            flex-wrap: wrap;
        }
        .hero-bento-sub {
            background: #fff;
            border-radius: 14px;
            padding: 28px 24px;
            border: 1px solid var(--card-border);
            box-shadow: var(--card-shadow);
            display: flex;
            flex-direction: column;
            justify-content: center;
            transition: all var(--transition-smooth);
        }
        .hero-bento-sub:hover {
            box-shadow: var(--card-shadow-hover);
            transform: translateY(-2px);
        }
        .hero-bento-sub .sub-icon {
            font-size: 32px;
            margin-bottom: 8px;
        }
        .hero-bento-sub .sub-title {
            font-weight: 700;
            font-size: 17px;
            color: var(--navy);
            margin-bottom: 4px;
        }
        .hero-bento-sub .sub-desc {
            font-size: 14px;
            color: var(--text-sub);
            line-height: 1.5;
        }
        .hero-cta-bar {
            grid-column: 1 / -1;
            background: linear-gradient(135deg, #fef9ee 0%, #fff8e1 100%);
            border-radius: 12px;
            padding: 18px 24px;
            display: flex;
            align-items: center;
            justify-content: space-between;
            gap: 16px;
            flex-wrap: wrap;
            border: 1px solid rgba(212, 175, 55, 0.25);
        }
        .hero-cta-bar .cta-bar-text {
            font-weight: 600;
            color: var(--navy);
            font-size: 15px;
        }

        /* ========== 服务轨 ========== */
        .service-track {
            display: flex;
            gap: 16px;
            overflow-x: auto;
            padding: 10px 0 20px;
            scroll-snap-type: x mandatory;
            -webkit-overflow-scrolling: touch;
            scrollbar-width: thin;
            scrollbar-color: #cbd5e0 transparent;
        }
        .service-track::-webkit-scrollbar {
            height: 6px;
        }
        .service-track::-webkit-scrollbar-thumb {
            background: #cbd5e0;
            border-radius: 10px;
        }
        .service-track-card {
            flex: 0 0 200px;
            scroll-snap-align: start;
            background: #fff;
            border-radius: var(--radius-card);
            border: 1px solid var(--card-border);
            padding: 22px 18px;
            text-align: center;
            transition: all var(--transition-smooth);
            cursor: pointer;
            box-shadow: var(--card-shadow);
        }
        .service-track-card:hover {
            box-shadow: var(--card-shadow-hover);
            transform: translateY(-3px);
            border-color: var(--gold);
        }
        .service-track-card .track-icon {
            font-size: 36px;
            margin-bottom: 8px;
        }
        .service-track-card .track-title {
            font-weight: 700;
            font-size: 15px;
            color: var(--navy);
        }
        .service-track-card .track-desc {
            font-size: 12px;
            color: var(--text-sub);
            margin-top: 4px;
            line-height: 1.4;
        }

        /* ========== 数据更新提示条 ========== */
        .update-banner {
            background: #fff;
            border: 1px solid #e8d5a0;
            border-radius: 10px;
            padding: 16px 24px;
            display: flex;
            align-items: center;
            gap: 16px;
            flex-wrap: wrap;
            background: linear-gradient(135deg, #fffef9 0%, #fef9ee 100%);
            box-shadow: 0 1px 8px rgba(0, 0, 0, 0.03);
        }
        .update-banner .update-dot {
            width: 10px;
            height: 10px;
            border-radius: 50%;
            background: #22c55e;
            animation: pulse-dot 2s infinite;
        }
        @keyframes pulse-dot {
            0%,
            100% {
                box-shadow: 0 0 0 0 rgba(34, 197, 94, 0.4);
            }
            50% {
                box-shadow: 0 0 0 10px rgba(34, 197, 94, 0);
            }
        }
        .update-banner .update-text {
            font-weight: 600;
            color: var(--navy);
            font-size: 15px;
            flex: 1;
        }
        .update-banner .update-countdown {
            font-size: 14px;
            color: var(--orange);
            font-weight: 700;
            white-space: nowrap;
        }

        /* ========== 数字跳动 ========== */
        .stat-number {
            font-size: 48px;
            font-weight: 700;
            color: var(--orange);
            line-height: 1;
            letter-spacing: -1px;
        }
        .stat-label {
            font-size: 14px;
            color: var(--text-sub);
            margin-top: 4px;
        }

        /* ========== 证言卡片 ========== */
        .testimonial-card {
            background: #fff;
            border-radius: var(--radius-card);
            padding: 24px;
            box-shadow: var(--card-shadow);
            display: flex;
            gap: 16px;
            align-items: flex-start;
            transition: all var(--transition-smooth);
            border: 1px solid transparent;
        }
        .testimonial-card:hover {
            box-shadow: var(--card-shadow-hover);
            border-color: #e8d5a0;
            transform: translateY(-3px);
        }
        .testimonial-avatar {
            width: 50px;
            height: 50px;
            border-radius: 50%;
            background: #e2e8f0;
            flex-shrink: 0;
            display: flex;
            align-items: center;
            justify-content: center;
            font-size: 20px;
            color: var(--navy);
            font-weight: 700;
        }
        .testimonial-name {
            font-weight: 700;
            font-size: 15px;
            color: var(--navy);
        }
        .testimonial-text {
            font-size: 14px;
            color: var(--text-sub);
            line-height: 1.7;
            margin-top: 4px;
        }

        /* ========== FAQ 手风琴 ========== */
        .faq-item {
            border-bottom: 1px solid var(--card-border);
            overflow: hidden;
        }
        .faq-question {
            width: 100%;
            background: none;
            padding: 18px 0;
            font-size: 17px;
            font-weight: 700;
            color: var(--navy);
            text-align: left;
            display: flex;
            justify-content: space-between;
            align-items: center;
            cursor: pointer;
            transition: color var(--transition-fast);
        }
        .faq-question:hover {
            color: var(--gold);
        }
        .faq-icon {
            font-size: 20px;
            transition: transform var(--transition-smooth);
            flex-shrink: 0;
            margin-left: 12px;
            color: var(--gold);
        }
        .faq-item.open .faq-icon {
            transform: rotate(45deg);
        }
        .faq-answer {
            max-height: 0;
            overflow: hidden;
            transition: max-height 0.4s ease, padding 0.3s ease;
            font-size: 15px;
            color: var(--text-sub);
            line-height: 1.8;
            padding: 0;
        }
        .faq-item.open .faq-answer {
            max-height: 400px;
            padding: 0 0 18px;
        }

        /* ========== 滚动淡入 ========== */
        .fade-in-section {
            opacity: 0;
            transform: translateY(20px);
            transition: opacity 0.6s ease, transform 0.6s ease;
        }
        .fade-in-section.visible {
            opacity: 1;
            transform: translateY(0);
        }

        /* ========== 节日战役区 ========== */
        .campaign-zone {
            background: linear-gradient(135deg, #1a3a5c 0%, #0A1F3F 40%, #1a3350 100%);
            border-radius: 16px;
            padding: 44px 36px;
            color: #fff;
            position: relative;
            overflow: hidden;
        }
        .campaign-zone::before {
            content: '';
            position: absolute;
            top: -40px;
            left: -40px;
            width: 180px;
            height: 180px;
            border-radius: 50%;
            background: rgba(212, 175, 55, 0.08);
            pointer-events: none;
        }
        .campaign-zone .campaign-tag {
            display: inline-block;
            background: var(--orange);
            color: #fff;
            padding: 4px 14px;
            border-radius: 20px;
            font-size: 12px;
            font-weight: 700;
            letter-spacing: 1px;
            position: relative;
            z-index: 1;
        }
        .campaign-zone h3 {
            font-size: 28px;
            font-weight: 700;
            color: #fff;
            margin-top: 12px;
            position: relative;
            z-index: 1;
        }
        .campaign-zone p {
            color: #cbd5e0;
            margin-top: 8px;
            position: relative;
            z-index: 1;
            line-height: 1.7;
        }

        /* ========== 票种对比表 ========== */
        .compare-table {
            width: 100%;
            border-collapse: separate;
            border-spacing: 0;
            border-radius: 12px;
            overflow: hidden;
            box-shadow: var(--card-shadow);
            border: 1px solid var(--card-border);
        }
        .compare-table th,
        .compare-table td {
            padding: 16px 20px;
            text-align: center;
            font-size: 14px;
        }
        .compare-table thead th {
            background: var(--navy);
            color: #fff;
            font-weight: 700;
            font-size: 15px;
        }
        .compare-table tbody tr:nth-child(even) {
            background: #f8fafc;
        }
        .compare-table tbody tr:nth-child(odd) {
            background: #fff;
        }
        .compare-table tbody td {
            border-bottom: 1px solid #f1f5f9;
        }
        .compare-table .highlight-col {
            background: #fef9ee !important;
        }
        .compare-table .check-icon {
            color: #22c55e;
            font-weight: 700;
        }

        /* ========== 页脚 ========== */
        .site-footer {
            background: var(--navy);
            color: #cbd5e0;
            padding: 32px 0;
            margin-top: 0;
        }
        .footer-inner {
            display: flex;
            justify-content: space-between;
            align-items: center;
            flex-wrap: wrap;
            gap: 16px;
            max-width: 1100px;
            margin: 0 auto;
            padding: 0 32px;
        }
        .footer-inner a {
            color: var(--gold);
            transition: color var(--transition-fast);
        }
        .footer-inner a:hover {
            color: var(--gold-light);
        }
        .footer-brand {
            font-weight: 700;
            color: #fff;
            font-size: 15px;
        }

        /* ========== 响应式 ========== */
        @media (max-width: 1024px) {
            .hero-bento {
                grid-template-columns: 1fr 1fr;
                gap: 14px;
                padding: 40px 0 30px;
            }
            .hero-bento-main h1 {
                font-size: 32px;
            }
            .hero-bento-main {
                padding: 32px 24px;
            }
            .section-block {
                padding: 50px 0;
            }
            .section-title {
                font-size: 26px;
            }
            .stat-number {
                font-size: 38px;
            }
            .container-main {
                padding: 0 20px;
            }
        }
        @media (max-width: 768px) {
            .sidebar {
                transform: translateX(-100%);
                width: 260px;
                z-index: 1000;
            }
            .sidebar.open {
                transform: translateX(0);
            }
            .main-content {
                margin-left: 0;
            }
            .mobile-header {
                display: flex;
            }
            .main-content {
                padding-top: 60px;
            }
            .hero-bento {
                grid-template-columns: 1fr;
                grid-template-rows: auto;
                gap: 12px;
                padding: 24px 0 20px;
                min-height: auto;
            }
            .hero-bento-main {
                grid-row: auto;
                padding: 28px 20px;
            }
            .hero-bento-main h1 {
                font-size: 28px;
            }
            .hero-bento-sub {
                padding: 20px 16px;
            }
            .hero-cta-bar {
                flex-direction: column;
                text-align: center;
            }
            .section-block {
                padding: 36px 0;
            }
            .section-title {
                font-size: 22px;
            }
            .stat-number {
                font-size: 32px;
            }
            .service-track-card {
                flex: 0 0 150px;
            }
            .container-main {
                padding: 0 14px;
            }
            .campaign-zone {
                padding: 28px 20px;
            }
            .campaign-zone h3 {
                font-size: 22px;
            }
            .compare-table th,
            .compare-table td {
                padding: 10px 8px;
                font-size: 12px;
            }
            .footer-inner {
                flex-direction: column;
                text-align: center;
                padding: 0 14px;
            }
            .update-banner {
                flex-direction: column;
                text-align: center;
            }
        }
        @media (max-width: 520px) {
            .hero-bento-main h1 {
                font-size: 24px;
            }
            .hero-bento-main .hero-sub {
                font-size: 14px;
            }
            .section-title {
                font-size: 20px;
            }
            .btn-primary,
            .btn-outline {
                padding: 10px 20px;
                font-size: 13px;
            }
            .card-padded {
                padding: 18px;
            }
            .stat-number {
                font-size: 28px;
            }
            .service-track-card {
                flex: 0 0 130px;
            }
        }
        /* 侧边栏遮罩 */
        .sidebar-overlay {
            display: none;
            position: fixed;
            inset: 0;
            background: rgba(0, 0, 0, 0.5);
            z-index: 999;
        }
        .sidebar-overlay.open {
            display: block;
        }
        @media (min-width: 769px) {
            .sidebar-overlay {
                display: none !important;
            }
        }

/* roulang page: category3 */
:root {
            --navy: #0A1F3F;
            --gold: #D4AF37;
            --gold-light: #E8C860;
            --orange: #FF6B35;
            --orange-dark: #E55A2B;
            --bg-light: #F8F9FA;
            --text-main: #2D3748;
            --text-sub: #718096;
            --card-border: #E2E8F0;
            --card-shadow: 0 2px 20px rgba(0, 0, 0, 0.05);
            --card-shadow-hover: 0 8px 30px rgba(0, 0, 0, 0.1);
            --radius-card: 12px;
            --radius-btn: 8px;
            --sidebar-width: 280px;
            --transition-fast: 0.2s ease;
            --transition-smooth: 0.3s ease;
        }

        html {
            scroll-behavior: smooth;
            font-size: 16px;
        }

        body {
            font-family: 'PingFang SC', 'Microsoft YaHei', 'system-ui', 'sans-serif';
            color: var(--text-main);
            background-color: var(--bg-light);
            line-height: 1.8;
            -webkit-font-smoothing: antialiased;
            -moz-osx-font-smoothing: grayscale;
            overflow-x: hidden;
            margin: 0;
            padding: 0;
        }

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

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

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

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

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

        input {
            font-family: inherit;
            outline: none;
        }

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

        h1,
        h2,
        h3,
        h4,
        h5,
        h6 {
            margin: 0;
            color: var(--navy);
            line-height: 1.3;
        }

        p {
            margin: 0;
        }

        /* ========== 侧边栏 ========== */
        .sidebar {
            position: fixed;
            top: 0;
            left: 0;
            width: var(--sidebar-width);
            height: 100vh;
            background-color: var(--navy);
            z-index: 1000;
            display: flex;
            flex-direction: column;
            padding: 28px 20px 20px;
            overflow-y: auto;
            transition: transform var(--transition-smooth);
        }

        .sidebar-logo {
            font-size: 24px;
            font-weight: 700;
            color: var(--gold);
            letter-spacing: 0.5px;
            margin-bottom: 40px;
            padding-left: 8px;
            line-height: 1.3;
            white-space: nowrap;
        }

        .sidebar-nav {
            flex: 1;
            display: flex;
            flex-direction: column;
            gap: 6px;
            list-style: none;
            padding: 0;
            margin: 0;
        }

        .sidebar-nav li a {
            display: flex;
            align-items: center;
            padding: 12px 16px;
            color: #cbd5e0;
            font-size: 15px;
            border-radius: 8px;
            transition: all var(--transition-smooth);
            position: relative;
            border-left: 3px solid transparent;
            white-space: nowrap;
        }

        .sidebar-nav li a:hover,
        .sidebar-nav li a.active {
            color: #ffffff;
            background-color: rgba(212, 175, 55, 0.08);
            border-left-color: var(--gold);
            padding-left: 20px;
        }

        .sidebar-nav li a.active {
            color: var(--gold);
            font-weight: 600;
        }

        .sidebar-bottom {
            margin-top: auto;
            padding-top: 16px;
        }

        .sidebar-search-icon {
            display: flex;
            align-items: center;
            justify-content: center;
            width: 40px;
            height: 40px;
            border-radius: 50%;
            background: rgba(255, 255, 255, 0.06);
            color: #cbd5e0;
            margin: 0 auto 12px;
            cursor: pointer;
            transition: all var(--transition-fast);
            font-size: 16px;
        }

        .sidebar-search-icon:hover {
            background: rgba(255, 255, 255, 0.14);
            color: #fff;
        }

        .sidebar-cta {
            display: block;
            width: 100%;
            background-color: var(--orange);
            color: #fff;
            text-align: center;
            padding: 13px 20px;
            border-radius: var(--radius-btn);
            font-weight: 600;
            font-size: 15px;
            transition: all var(--transition-smooth);
            letter-spacing: 0.3px;
        }

        .sidebar-cta:hover {
            background-color: var(--orange-dark);
            transform: scale(1.02);
            color: #fff;
        }

        /* ========== 主内容区 ========== */
        .main-content {
            margin-left: var(--sidebar-width);
            min-height: 100vh;
            background: var(--bg-light);
        }

        .container-main {
            max-width: 1100px;
            margin: 0 auto;
            padding: 0 32px;
        }

        /* ========== 移动端顶部导航 ========== */
        .mobile-header {
            display: none;
            position: fixed;
            top: 0;
            left: 0;
            right: 0;
            height: 60px;
            background-color: var(--navy);
            z-index: 999;
            align-items: center;
            padding: 0 16px;
            justify-content: space-between;
        }

        .mobile-header .mobile-logo {
            font-size: 18px;
            font-weight: 700;
            color: var(--gold);
            letter-spacing: 0.3px;
        }

        .hamburger {
            width: 36px;
            height: 36px;
            display: flex;
            flex-direction: column;
            justify-content: center;
            gap: 5px;
            cursor: pointer;
            background: none;
            border: none;
            padding: 6px;
            z-index: 1001;
        }

        .hamburger span {
            display: block;
            width: 24px;
            height: 2px;
            background: #fff;
            border-radius: 2px;
            transition: all var(--transition-smooth);
        }

        .hamburger.open span:nth-child(1) {
            transform: rotate(45deg) translate(5px, 5px);
        }

        .hamburger.open span:nth-child(2) {
            opacity: 0;
        }

        .hamburger.open span:nth-child(3) {
            transform: rotate(-45deg) translate(5px, -5px);
        }

        .mobile-menu {
            display: none;
            position: fixed;
            top: 60px;
            left: 0;
            right: 0;
            background: #fff;
            z-index: 998;
            box-shadow: 0 8px 30px rgba(0, 0, 0, 0.12);
            padding: 12px 0;
            flex-direction: column;
            list-style: none;
            margin: 0;
        }

        .mobile-menu.open {
            display: flex;
        }

        .mobile-menu li a {
            display: block;
            padding: 14px 24px;
            color: var(--text-main);
            font-size: 15px;
            border-left: 3px solid transparent;
            transition: all var(--transition-fast);
        }

        .mobile-menu li a:hover,
        .mobile-menu li a.active {
            color: var(--gold);
            border-left-color: var(--gold);
            background: #fef9ee;
        }

        /* ========== Section 通用 ========== */
        .section {
            padding: 80px 0;
        }

        .section-sm {
            padding: 50px 0;
        }

        .section-label {
            display: inline-block;
            font-size: 13px;
            font-weight: 600;
            color: var(--orange);
            letter-spacing: 1.5px;
            text-transform: uppercase;
            margin-bottom: 8px;
        }

        .section-title {
            font-size: 32px;
            font-weight: 700;
            color: var(--navy);
            margin-bottom: 12px;
            letter-spacing: 0.3px;
        }

        .section-subtitle {
            font-size: 16px;
            color: var(--text-sub);
            line-height: 1.8;
            max-width: 700px;
        }

        /* ========== Hero Bento ========== */
        .hero-bento {
            display: grid;
            grid-template-columns: 1.4fr 1fr;
            grid-template-rows: auto auto;
            gap: 20px;
            padding: 60px 0 40px;
        }

        .hero-bento-main {
            grid-row: 1 / 3;
            background: #fff;
            border-radius: var(--radius-card);
            border: 1px solid var(--card-border);
            box-shadow: var(--card-shadow);
            padding: 48px 40px;
            display: flex;
            flex-direction: column;
            justify-content: center;
            background-image: url('/assets/images/backpic/back-1.webp');
            background-size: cover;
            background-position: center;
            position: relative;
            overflow: hidden;
        }

        .hero-bento-main::before {
            content: '';
            position: absolute;
            inset: 0;
            background: linear-gradient(135deg, rgba(10, 31, 63, 0.88) 0%, rgba(10, 31, 63, 0.72) 100%);
            z-index: 1;
        }

        .hero-bento-main>* {
            position: relative;
            z-index: 2;
        }

        .hero-bento-main .hero-tag {
            display: inline-block;
            background: rgba(212, 175, 55, 0.2);
            color: var(--gold-light);
            padding: 6px 16px;
            border-radius: 20px;
            font-size: 13px;
            font-weight: 600;
            letter-spacing: 0.8px;
            margin-bottom: 16px;
            width: fit-content;
            border: 1px solid rgba(212, 175, 55, 0.35);
        }

        .hero-bento-main h1 {
            font-size: 42px;
            font-weight: 700;
            color: #fff;
            line-height: 1.2;
            margin-bottom: 12px;
            letter-spacing: 0.5px;
        }

        .hero-bento-main .hero-desc {
            font-size: 17px;
            color: rgba(255, 255, 255, 0.85);
            line-height: 1.7;
            max-width: 480px;
            margin-bottom: 24px;
        }

        .hero-bento-main .hero-cta-row {
            display: flex;
            gap: 12px;
            flex-wrap: wrap;
        }

        .btn-primary {
            display: inline-block;
            background-color: var(--orange);
            color: #fff;
            padding: 14px 28px;
            border-radius: var(--radius-btn);
            font-weight: 600;
            font-size: 15px;
            letter-spacing: 0.3px;
            transition: all var(--transition-smooth);
            text-align: center;
        }

        .btn-primary:hover {
            background-color: var(--orange-dark);
            transform: scale(1.02);
            color: #fff;
        }

        .btn-outline-light {
            display: inline-block;
            background: transparent;
            color: #fff;
            padding: 14px 28px;
            border-radius: var(--radius-btn);
            font-weight: 600;
            font-size: 15px;
            letter-spacing: 0.3px;
            transition: all var(--transition-smooth);
            text-align: center;
            border: 2px solid rgba(255, 255, 255, 0.5);
        }

        .btn-outline-light:hover {
            border-color: #fff;
            background: rgba(255, 255, 255, 0.08);
            color: #fff;
        }

        .hero-bento-mini {
            background: #fff;
            border-radius: var(--radius-card);
            border: 1px solid var(--card-border);
            box-shadow: var(--card-shadow);
            padding: 28px 24px;
            display: flex;
            align-items: center;
            gap: 16px;
            transition: all var(--transition-smooth);
            cursor: pointer;
        }

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

        .hero-bento-mini .mini-icon {
            width: 48px;
            height: 48px;
            border-radius: 10px;
            background: #fef9ee;
            display: flex;
            align-items: center;
            justify-content: center;
            font-size: 22px;
            color: var(--gold);
            flex-shrink: 0;
        }

        .hero-bento-mini .mini-info h4 {
            font-size: 16px;
            font-weight: 600;
            color: var(--navy);
            margin-bottom: 2px;
        }

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

        .hero-bento-cta-bar {
            grid-column: 1 / -1;
            background: linear-gradient(135deg, #fef9ee 0%, #fdf3d6 100%);
            border-radius: var(--radius-card);
            border: 1px solid rgba(212, 175, 55, 0.3);
            padding: 20px 28px;
            display: flex;
            align-items: center;
            justify-content: space-between;
            flex-wrap: wrap;
            gap: 16px;
        }

        .hero-bento-cta-bar span {
            font-size: 15px;
            font-weight: 600;
            color: var(--navy);
        }

        .hero-bento-cta-bar .btn-sm {
            display: inline-block;
            background-color: var(--orange);
            color: #fff;
            padding: 10px 22px;
            border-radius: var(--radius-btn);
            font-weight: 600;
            font-size: 14px;
            transition: all var(--transition-smooth);
            white-space: nowrap;
        }

        .hero-bento-cta-bar .btn-sm:hover {
            background-color: var(--orange-dark);
            transform: scale(1.02);
            color: #fff;
        }

        /* ========== 非对称网格 ========== */
        .asymmetric-grid {
            display: grid;
            grid-template-columns: repeat(2, 1fr);
            gap: 24px;
        }

        .asymmetric-grid .article-card {
            background: #fff;
            border-radius: var(--radius-card);
            border: 1px solid var(--card-border);
            box-shadow: var(--card-shadow);
            overflow: hidden;
            transition: all var(--transition-smooth);
            cursor: pointer;
            display: flex;
            flex-direction: column;
        }

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

        .asymmetric-grid .article-card.card-full {
            grid-column: 1 / -1;
            flex-direction: row;
        }

        .asymmetric-grid .article-card .card-img {
            width: 100%;
            aspect-ratio: 16 / 9;
            overflow: hidden;
            background: #e2e8f0;
            flex-shrink: 0;
        }

        .asymmetric-grid .article-card.card-full .card-img {
            width: 40%;
            aspect-ratio: auto;
            min-height: 220px;
        }

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

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

        .asymmetric-grid .article-card .card-body {
            padding: 22px 24px;
            flex: 1;
            display: flex;
            flex-direction: column;
        }

        .asymmetric-grid .article-card.card-full .card-body {
            padding: 28px 32px;
            justify-content: center;
        }

        .asymmetric-grid .article-card .card-date {
            font-size: 12px;
            color: var(--text-sub);
            letter-spacing: 0.4px;
            margin-bottom: 6px;
        }

        .asymmetric-grid .article-card .card-title {
            font-size: 18px;
            font-weight: 700;
            color: var(--navy);
            margin-bottom: 8px;
            line-height: 1.4;
            transition: color var(--transition-fast);
        }

        .asymmetric-grid .article-card:hover .card-title {
            color: var(--gold);
        }

        .asymmetric-grid .article-card.card-full .card-title {
            font-size: 22px;
        }

        .asymmetric-grid .article-card .card-excerpt {
            font-size: 14px;
            color: var(--text-sub);
            line-height: 1.7;
            flex: 1;
            margin-bottom: 12px;
        }

        .asymmetric-grid .article-card .card-link {
            font-size: 14px;
            font-weight: 600;
            color: var(--orange);
            display: inline-flex;
            align-items: center;
            gap: 4px;
            transition: all var(--transition-fast);
            width: fit-content;
        }

        .asymmetric-grid .article-card .card-link:hover {
            color: var(--orange-dark);
            gap: 8px;
        }

        .asymmetric-grid .article-card .card-link::after {
            content: '→';
            transition: transform var(--transition-fast);
        }

        .asymmetric-grid .article-card .card-link:hover::after {
            transform: translateX(3px);
        }

        /* ========== 标签云 ========== */
        .tag-cloud {
            display: flex;
            flex-wrap: wrap;
            gap: 10px;
        }

        .tag-cloud .tag {
            display: inline-block;
            padding: 8px 18px;
            border-radius: 20px;
            font-size: 14px;
            font-weight: 500;
            background: #fff;
            border: 1px solid var(--card-border);
            color: var(--text-main);
            transition: all var(--transition-fast);
            cursor: pointer;
        }

        .tag-cloud .tag:hover {
            border-color: var(--gold);
            color: var(--gold);
            background: #fef9ee;
            box-shadow: 0 2px 8px rgba(212, 175, 55, 0.12);
        }

        .tag-cloud .tag.tag-featured {
            background: var(--navy);
            color: #fff;
            border-color: var(--navy);
            font-weight: 600;
        }

        .tag-cloud .tag.tag-featured:hover {
            background: #0d2a52;
            border-color: #0d2a52;
            color: #fff;
        }

        /* ========== 深度内容区 ========== */
        .deep-content {
            background: #fff;
            border-radius: var(--radius-card);
            border: 1px solid var(--card-border);
            box-shadow: var(--card-shadow);
            padding: 44px 40px;
        }

        .deep-content h3 {
            font-size: 22px;
            font-weight: 700;
            color: var(--navy);
            margin-bottom: 16px;
            padding-bottom: 12px;
            border-bottom: 2px solid #f0f0f0;
        }

        .deep-content h4 {
            font-size: 18px;
            font-weight: 600;
            color: var(--navy);
            margin-top: 24px;
            margin-bottom: 8px;
        }

        .deep-content p {
            font-size: 15px;
            color: var(--text-main);
            line-height: 1.9;
            margin-bottom: 16px;
        }

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

        .faq-item {
            background: #fff;
            border-radius: var(--radius-card);
            border: 1px solid var(--card-border);
            box-shadow: var(--card-shadow);
            overflow: hidden;
            transition: all var(--transition-smooth);
        }

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

        .faq-question {
            width: 100%;
            padding: 20px 24px;
            display: flex;
            align-items: center;
            justify-content: space-between;
            background: none;
            font-size: 17px;
            font-weight: 600;
            color: var(--navy);
            text-align: left;
            transition: all var(--transition-fast);
            gap: 16px;
        }

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

        .faq-icon {
            width: 28px;
            height: 28px;
            flex-shrink: 0;
            display: flex;
            align-items: center;
            justify-content: center;
            border-radius: 50%;
            background: #f0f0f0;
            transition: all var(--transition-smooth);
            font-size: 14px;
            color: var(--text-sub);
        }

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

        .faq-answer {
            max-height: 0;
            overflow: hidden;
            transition: max-height 0.4s ease, padding 0.4s ease;
            padding: 0 24px;
        }

        .faq-item.open .faq-answer {
            max-height: 400px;
            padding: 0 24px 20px;
        }

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

        /* ========== CTA 横幅 ========== */
        .cta-banner {
            background: linear-gradient(135deg, var(--navy) 0%, #0d2a52 100%);
            border-radius: var(--radius-card);
            padding: 52px 44px;
            text-align: center;
            position: relative;
            overflow: hidden;
        }

        .cta-banner::before {
            content: '';
            position: absolute;
            top: -40px;
            right: -40px;
            width: 180px;
            height: 180px;
            border-radius: 50%;
            background: rgba(212, 175, 55, 0.08);
            z-index: 1;
        }

        .cta-banner::after {
            content: '';
            position: absolute;
            bottom: -30px;
            left: -30px;
            width: 120px;
            height: 120px;
            border-radius: 50%;
            background: rgba(255, 107, 53, 0.1);
            z-index: 1;
        }

        .cta-banner>* {
            position: relative;
            z-index: 2;
        }

        .cta-banner h2 {
            font-size: 30px;
            font-weight: 700;
            color: #fff;
            margin-bottom: 12px;
        }

        .cta-banner p {
            font-size: 16px;
            color: rgba(255, 255, 255, 0.8);
            margin-bottom: 24px;
            max-width: 500px;
            margin-left: auto;
            margin-right: auto;
        }

        .cta-banner .btn-cta-large {
            display: inline-block;
            background-color: var(--orange);
            color: #fff;
            padding: 16px 36px;
            border-radius: var(--radius-btn);
            font-weight: 700;
            font-size: 16px;
            letter-spacing: 0.4px;
            transition: all var(--transition-smooth);
        }

        .cta-banner .btn-cta-large:hover {
            background-color: var(--orange-dark);
            transform: scale(1.03);
            color: #fff;
            box-shadow: 0 8px 24px rgba(255, 107, 53, 0.35);
        }

        /* ========== 页脚 ========== */
        .site-footer {
            background-color: var(--navy);
            color: #cbd5e0;
            padding: 28px 0;
        }

        .footer-inner {
            max-width: 1100px;
            margin: 0 auto;
            padding: 0 32px;
            display: flex;
            align-items: center;
            justify-content: space-between;
            flex-wrap: wrap;
            gap: 12px;
            font-size: 13px;
        }

        .footer-brand {
            font-weight: 600;
            color: var(--gold);
            font-size: 14px;
        }

        .footer-inner a {
            color: var(--gold-light);
            transition: color var(--transition-fast);
        }

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

        /* ========== 滚动淡入 ========== */
        .fade-in {
            opacity: 0;
            transform: translateY(20px);
            transition: opacity 0.7s ease, transform 0.7s ease;
        }

        .fade-in.visible {
            opacity: 1;
            transform: translateY(0);
        }

        /* ========== 响应式 ========== */
        @media (max-width: 1024px) {
            .hero-bento {
                grid-template-columns: 1fr 1fr;
                gap: 16px;
            }
            .hero-bento-main h1 {
                font-size: 32px;
            }
            .asymmetric-grid .article-card.card-full {
                flex-direction: column;
            }
            .asymmetric-grid .article-card.card-full .card-img {
                width: 100%;
                aspect-ratio: 16 / 9;
                min-height: auto;
            }
            .section-title {
                font-size: 26px;
            }
            .deep-content {
                padding: 32px 24px;
            }
        }

        @media (max-width: 768px) {
            .sidebar {
                display: none;
            }
            .main-content {
                margin-left: 0;
                padding-top: 60px;
            }
            .mobile-header {
                display: flex;
            }
            .hero-bento {
                grid-template-columns: 1fr;
                gap: 14px;
                padding: 30px 0 24px;
            }
            .hero-bento-main {
                grid-row: auto;
                padding: 32px 24px;
            }
            .hero-bento-main h1 {
                font-size: 28px;
            }
            .hero-bento-main .hero-desc {
                font-size: 15px;
            }
            .hero-bento-cta-bar {
                flex-direction: column;
                text-align: center;
            }
            .asymmetric-grid {
                grid-template-columns: 1fr;
                gap: 16px;
            }
            .asymmetric-grid .article-card.card-full {
                grid-column: auto;
            }
            .section {
                padding: 50px 0;
            }
            .section-sm {
                padding: 32px 0;
            }
            .section-title {
                font-size: 24px;
            }
            .container-main {
                padding: 0 16px;
            }
            .cta-banner {
                padding: 36px 24px;
            }
            .cta-banner h2 {
                font-size: 24px;
            }
            .deep-content {
                padding: 24px 18px;
            }
            .deep-content h3 {
                font-size: 19px;
            }
            .footer-inner {
                flex-direction: column;
                text-align: center;
                gap: 8px;
            }
            .hero-bento-mini {
                padding: 20px 16px;
            }
        }

        @media (max-width: 520px) {
            .hero-bento-main h1 {
                font-size: 24px;
            }
            .hero-bento-main .hero-desc {
                font-size: 14px;
            }
            .btn-primary,
            .btn-outline-light {
                padding: 12px 20px;
                font-size: 14px;
            }
            .asymmetric-grid .article-card .card-title {
                font-size: 16px;
            }
            .asymmetric-grid .article-card.card-full .card-title {
                font-size: 18px;
            }
            .tag-cloud .tag {
                font-size: 12px;
                padding: 6px 14px;
            }
            .faq-question {
                font-size: 15px;
                padding: 16px 18px;
            }
        }

/* roulang page: category1 */
:root {
            --navy: #0A1F3F;
            --gold: #D4AF37;
            --gold-light: #E8C860;
            --orange: #FF6B35;
            --orange-dark: #E55A2B;
            --bg-light: #F8F9FA;
            --text-main: #2D3748;
            --text-sub: #718096;
            --card-border: #E2E8F0;
            --card-shadow: 0 2px 20px rgba(0, 0, 0, 0.05);
            --card-shadow-hover: 0 8px 30px rgba(0, 0, 0, 0.1);
            --radius-card: 12px;
            --radius-btn: 8px;
            --sidebar-width: 280px;
            --transition-fast: 0.2s ease;
            --transition-smooth: 0.3s ease;
        }

        html {
            scroll-behavior: smooth;
            font-size: 16px;
        }

        body {
            font-family: 'PingFang SC', 'Microsoft YaHei', 'system-ui', 'sans-serif';
            color: var(--text-main);
            background-color: var(--bg-light);
            line-height: 1.8;
            -webkit-font-smoothing: antialiased;
            -moz-osx-font-smoothing: grayscale;
            overflow-x: hidden;
            margin: 0;
            padding: 0;
        }

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

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

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

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

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

        input {
            font-family: inherit;
            outline: none;
        }

        /* ========== 侧边栏 ========== */
        .sidebar {
            position: fixed;
            top: 0;
            left: 0;
            width: var(--sidebar-width);
            height: 100vh;
            background-color: var(--navy);
            z-index: 1000;
            display: flex;
            flex-direction: column;
            padding: 28px 20px 20px;
            overflow-y: auto;
            transition: transform var(--transition-smooth);
        }

        .sidebar-logo {
            font-size: 24px;
            font-weight: 700;
            color: var(--gold);
            letter-spacing: 0.5px;
            margin-bottom: 40px;
            padding-left: 8px;
            line-height: 1.3;
            white-space: nowrap;
        }

        .sidebar-nav {
            flex: 1;
            display: flex;
            flex-direction: column;
            gap: 6px;
            list-style: none;
            padding: 0;
            margin: 0;
        }

        .sidebar-nav li a {
            display: flex;
            align-items: center;
            padding: 12px 16px;
            color: #cbd5e0;
            font-size: 15px;
            border-radius: 8px;
            transition: all var(--transition-smooth);
            position: relative;
            border-left: 3px solid transparent;
            white-space: nowrap;
        }

        .sidebar-nav li a:hover,
        .sidebar-nav li a.active {
            color: #ffffff;
            background-color: rgba(212, 175, 55, 0.08);
            border-left-color: var(--gold);
            padding-left: 20px;
        }

        .sidebar-nav li a.active {
            color: var(--gold);
            font-weight: 600;
        }

        .sidebar-cta {
            display: block;
            width: 100%;
            background-color: var(--orange);
            color: #fff;
            text-align: center;
            padding: 13px 20px;
            border-radius: var(--radius-btn);
            font-weight: 600;
            font-size: 15px;
            transition: all var(--transition-smooth);
            letter-spacing: 0.3px;
        }

        .sidebar-cta:hover {
            background-color: var(--orange-dark);
            transform: scale(1.02);
            color: #fff;
        }

        .sidebar-search-icon {
            display: flex;
            align-items: center;
            justify-content: center;
            width: 40px;
            height: 40px;
            border-radius: 50%;
            background: rgba(255, 255, 255, 0.06);
            color: #cbd5e0;
            margin: 0 auto 12px;
            cursor: pointer;
            transition: all var(--transition-fast);
            font-size: 16px;
        }

        .sidebar-search-icon:hover {
            background: rgba(255, 255, 255, 0.14);
            color: #fff;
        }

        /* ========== 主内容区 ========== */
        .main-content {
            margin-left: var(--sidebar-width);
            min-height: 100vh;
            background: var(--bg-light);
        }

        .container-main {
            max-width: 1100px;
            margin: 0 auto;
            padding: 0 32px;
        }

        /* ========== 移动端顶部导航 ========== */
        .mobile-header {
            display: none;
            position: fixed;
            top: 0;
            left: 0;
            right: 0;
            height: 60px;
            background-color: var(--navy);
            z-index: 999;
            align-items: center;
            padding: 0 16px;
            justify-content: space-between;
        }

        .mobile-header .mobile-logo {
            font-size: 18px;
            font-weight: 700;
            color: var(--gold);
            letter-spacing: 0.3px;
        }

        .hamburger {
            width: 36px;
            height: 36px;
            display: flex;
            flex-direction: column;
            justify-content: center;
            gap: 5px;
            cursor: pointer;
            background: none;
            border: none;
            padding: 6px;
            z-index: 1001;
        }

        .hamburger span {
            display: block;
            width: 24px;
            height: 2px;
            background: #fff;
            border-radius: 2px;
            transition: all var(--transition-smooth);
        }

        .hamburger.open span:nth-child(1) {
            transform: rotate(45deg) translate(5px, 5px);
        }

        .hamburger.open span:nth-child(2) {
            opacity: 0;
        }

        .hamburger.open span:nth-child(3) {
            transform: rotate(-45deg) translate(5px, -5px);
        }

        .mobile-menu {
            display: none;
            position: fixed;
            top: 60px;
            left: 0;
            right: 0;
            background: #fff;
            z-index: 998;
            box-shadow: 0 8px 30px rgba(0, 0, 0, 0.12);
            padding: 12px 0;
            flex-direction: column;
            list-style: none;
            margin: 0;
        }

        .mobile-menu.open {
            display: flex;
        }

        .mobile-menu li a {
            display: block;
            padding: 14px 24px;
            color: var(--text-main);
            font-size: 15px;
            border-left: 3px solid transparent;
            transition: all var(--transition-fast);
        }

        .mobile-menu li a:hover,
        .mobile-menu li a.active {
            color: var(--gold);
            border-left-color: var(--gold);
            background: #fef9ee;
        }

        /* ========== 板块间距 ========== */
        .section-spacing {
            padding: 80px 0;
        }

        .section-spacing-sm {
            padding: 50px 0;
        }

        /* ========== Hero区 ========== */
        .hero-category {
            position: relative;
            background: url('/assets/images/backpic/back-1.webp') center/cover no-repeat;
            min-height: 420px;
            display: flex;
            align-items: center;
            overflow: hidden;
        }

        .hero-category::before {
            content: '';
            position: absolute;
            inset: 0;
            background: linear-gradient(135deg, rgba(10, 31, 63, 0.88) 0%, rgba(10, 31, 63, 0.72) 100%);
            z-index: 1;
        }

        .hero-category .hero-inner {
            position: relative;
            z-index: 2;
            width: 100%;
        }

        .hero-breadcrumb {
            display: flex;
            gap: 8px;
            align-items: center;
            font-size: 14px;
            color: rgba(255, 255, 255, 0.75);
            margin-bottom: 16px;
            flex-wrap: wrap;
        }

        .hero-breadcrumb a {
            color: var(--gold-light);
            transition: color var(--transition-fast);
        }

        .hero-breadcrumb a:hover {
            color: #fff;
        }

        .hero-breadcrumb .sep {
            color: rgba(255, 255, 255, 0.4);
        }

        /* ========== 开奖号码球 ========== */
        .ball-number {
            display: inline-flex;
            align-items: center;
            justify-content: center;
            width: 52px;
            height: 52px;
            border-radius: 50%;
            font-weight: 700;
            font-size: 20px;
            color: #fff;
            transition: all var(--transition-smooth);
            animation: ballPulse 2.5s ease-in-out infinite;
        }

        .ball-number.front {
            background: linear-gradient(135deg, #1a5fb4, #2563eb);
            box-shadow: 0 4px 14px rgba(37, 99, 235, 0.35);
        }

        .ball-number.back {
            background: linear-gradient(135deg, #e05a2b, #ff6b35);
            box-shadow: 0 4px 14px rgba(255, 107, 53, 0.35);
            animation-delay: 0.4s;
        }

        .ball-number:nth-child(2) {
            animation-delay: 0.15s;
        }

        .ball-number:nth-child(3) {
            animation-delay: 0.3s;
        }

        .ball-number:nth-child(4) {
            animation-delay: 0.45s;
        }

        .ball-number:nth-child(5) {
            animation-delay: 0.6s;
        }

        @keyframes ballPulse {
            0%,
            100% {
                transform: scale(1);
            }
            30% {
                transform: scale(1.06);
            }
            60% {
                transform: scale(1);
            }
        }

        /* ========== 表格样式 ========== */
        .lottery-table {
            width: 100%;
            border-collapse: separate;
            border-spacing: 0;
            border-radius: var(--radius-card);
            overflow: hidden;
            box-shadow: var(--card-shadow);
            background: #fff;
        }

        .lottery-table thead th {
            background-color: var(--navy);
            color: #fff;
            padding: 16px 14px;
            font-weight: 600;
            font-size: 14px;
            text-align: center;
            white-space: nowrap;
            letter-spacing: 0.3px;
        }

        .lottery-table tbody td {
            padding: 14px 12px;
            text-align: center;
            font-size: 15px;
            border-bottom: 1px solid var(--card-border);
            transition: background-color var(--transition-fast);
            white-space: nowrap;
        }

        .lottery-table tbody tr:nth-child(even) td {
            background-color: #f8fafc;
        }

        .lottery-table tbody tr:nth-child(odd) td {
            background-color: #ffffff;
        }

        .lottery-table tbody tr:hover td {
            background-color: #fef9ee;
        }

        .lottery-table .td-front {
            color: #1a5fb4;
            font-weight: 600;
            letter-spacing: 1px;
        }

        .lottery-table .td-back {
            color: #e05a2b;
            font-weight: 600;
            letter-spacing: 1px;
        }

        .table-wrap {
            overflow-x: auto;
            -webkit-overflow-scrolling: touch;
            border-radius: var(--radius-card);
        }

        /* ========== 分页 ========== */
        .pagination {
            display: flex;
            gap: 6px;
            flex-wrap: wrap;
            justify-content: center;
            align-items: center;
            list-style: none;
            padding: 0;
            margin: 0;
        }

        .pagination button {
            min-width: 38px;
            height: 38px;
            border-radius: 8px;
            background: #fff;
            border: 1px solid var(--card-border);
            color: var(--text-main);
            font-size: 14px;
            font-weight: 500;
            transition: all var(--transition-fast);
            cursor: pointer;
            padding: 0 10px;
        }

        .pagination button:hover {
            border-color: var(--gold);
            color: var(--gold);
            background: #fef9ee;
        }

        .pagination button.active-page {
            background: var(--navy);
            color: #fff;
            border-color: var(--navy);
            font-weight: 600;
        }

        .pagination button:disabled {
            opacity: 0.4;
            cursor: not-allowed;
            pointer-events: none;
        }

        /* ========== 筛选栏 ========== */
        .filter-bar {
            display: flex;
            gap: 12px;
            flex-wrap: wrap;
            align-items: center;
            background: #fff;
            padding: 20px 24px;
            border-radius: var(--radius-card);
            box-shadow: var(--card-shadow);
            border: 1px solid var(--card-border);
        }

        .filter-bar input[type="date"],
        .filter-bar input[type="text"] {
            padding: 10px 16px;
            border: 1px solid #CBD5E0;
            border-radius: var(--radius-btn);
            font-size: 14px;
            color: var(--text-main);
            background: #fff;
            transition: all var(--transition-fast);
            min-width: 160px;
        }

        .filter-bar input:focus {
            border-color: var(--gold);
            box-shadow: 0 0 0 3px rgba(212, 175, 55, 0.3);
        }

        .filter-bar .btn-filter {
            padding: 10px 22px;
            background: var(--orange);
            color: #fff;
            border-radius: var(--radius-btn);
            font-weight: 600;
            font-size: 14px;
            transition: all var(--transition-smooth);
            border: none;
            cursor: pointer;
            white-space: nowrap;
        }

        .filter-bar .btn-filter:hover {
            background: var(--orange-dark);
            transform: scale(1.02);
        }

        .filter-bar .btn-reset {
            padding: 10px 22px;
            background: #fff;
            color: var(--text-main);
            border-radius: var(--radius-btn);
            font-weight: 500;
            font-size: 14px;
            transition: all var(--transition-smooth);
            border: 1px solid var(--card-border);
            cursor: pointer;
            white-space: nowrap;
        }

        .filter-bar .btn-reset:hover {
            border-color: var(--gold);
            color: var(--gold);
        }

        /* ========== 最新开奖大卡 ========== */
        .latest-draw-card {
            background: #fff;
            border-radius: var(--radius-card);
            box-shadow: var(--card-shadow);
            border: 1px solid var(--card-border);
            padding: 32px;
            text-align: center;
            position: relative;
            overflow: hidden;
        }

        .latest-draw-card::before {
            content: '';
            position: absolute;
            top: 0;
            left: 0;
            right: 0;
            height: 4px;
            background: linear-gradient(90deg, var(--navy), var(--gold), var(--orange));
            border-radius: var(--radius-card) var(--radius-card) 0 0;
        }

        .latest-draw-card .draw-label {
            display: inline-block;
            background: #fef9ee;
            color: var(--gold);
            font-weight: 600;
            font-size: 13px;
            padding: 5px 14px;
            border-radius: 20px;
            letter-spacing: 0.5px;
            margin-bottom: 12px;
        }

        /* ========== 内部链接卡片 ========== */
        .link-card {
            display: block;
            background: #fff;
            border-radius: var(--radius-card);
            box-shadow: var(--card-shadow);
            border: 1px solid var(--card-border);
            padding: 24px 20px;
            text-align: center;
            transition: all var(--transition-smooth);
            text-decoration: none;
            color: var(--text-main);
        }

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

        .link-card .link-icon {
            font-size: 32px;
            margin-bottom: 8px;
        }

        .link-card .link-title {
            font-weight: 600;
            font-size: 16px;
            margin-bottom: 4px;
        }

        .link-card .link-desc {
            font-size: 13px;
            color: var(--text-sub);
        }

        /* ========== FAQ手风琴 ========== */
        .faq-item {
            border: 1px solid var(--card-border);
            border-radius: var(--radius-card);
            margin-bottom: 10px;
            overflow: hidden;
            background: #fff;
            transition: all var(--transition-fast);
        }

        .faq-item .faq-question {
            width: 100%;
            text-align: left;
            padding: 18px 20px;
            font-size: 17px;
            font-weight: 600;
            color: var(--text-main);
            background: #fff;
            cursor: pointer;
            display: flex;
            justify-content: space-between;
            align-items: center;
            border: none;
            transition: all var(--transition-fast);
            gap: 12px;
        }

        .faq-item .faq-question:hover {
            background: #fef9ee;
        }

        .faq-item .faq-icon {
            font-size: 20px;
            transition: transform var(--transition-smooth);
            flex-shrink: 0;
            color: var(--gold);
            font-weight: 700;
            line-height: 1;
        }

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

        .faq-item .faq-answer {
            max-height: 0;
            overflow: hidden;
            transition: max-height 0.4s ease, padding 0.4s ease;
            padding: 0 20px;
            font-size: 15px;
            color: var(--text-sub);
            line-height: 1.8;
        }

        .faq-item.open .faq-answer {
            max-height: 400px;
            padding: 0 20px 18px;
        }

        /* ========== CTA横幅 ========== */
        .cta-banner {
            background: linear-gradient(135deg, #0A1F3F 0%, #1a3a5c 50%, #0A1F3F 100%);
            border-radius: var(--radius-card);
            padding: 48px 32px;
            text-align: center;
            color: #fff;
            position: relative;
            overflow: hidden;
        }

        .cta-banner::after {
            content: '';
            position: absolute;
            top: -60px;
            right: -60px;
            width: 200px;
            height: 200px;
            border-radius: 50%;
            background: rgba(212, 175, 55, 0.08);
            pointer-events: none;
        }

        .cta-banner .btn-cta-large {
            display: inline-block;
            background: var(--orange);
            color: #fff;
            padding: 14px 36px;
            border-radius: var(--radius-btn);
            font-weight: 600;
            font-size: 16px;
            transition: all var(--transition-smooth);
            letter-spacing: 0.4px;
            border: none;
            cursor: pointer;
            text-decoration: none;
            position: relative;
            z-index: 1;
        }

        .cta-banner .btn-cta-large:hover {
            background: var(--orange-dark);
            transform: scale(1.04);
            color: #fff;
        }

        /* ========== 页脚 ========== */
        .site-footer {
            background-color: var(--navy);
            color: #cbd5e0;
            padding: 24px 0;
            margin-top: 0;
        }

        .footer-inner {
            max-width: 1100px;
            margin: 0 auto;
            padding: 0 32px;
            display: flex;
            justify-content: space-between;
            align-items: center;
            flex-wrap: wrap;
            gap: 12px;
            font-size: 13px;
        }

        .footer-brand {
            color: var(--gold);
            font-weight: 600;
            font-size: 14px;
        }

        .site-footer a {
            color: var(--gold-light);
            transition: color var(--transition-fast);
        }

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

        /* ========== 响应式 ========== */
        @media (max-width: 1024px) {
            .sidebar {
                transform: translateX(-100%);
            }
            .sidebar.open {
                transform: translateX(0);
            }
            .main-content {
                margin-left: 0;
            }
            .mobile-header {
                display: flex;
            }
            .main-content {
                padding-top: 60px;
            }
            .hero-category {
                min-height: 300px;
            }
            .section-spacing {
                padding: 50px 0;
            }
            .section-spacing-sm {
                padding: 32px 0;
            }
            .container-main {
                padding: 0 20px;
            }
            .ball-number {
                width: 40px;
                height: 40px;
                font-size: 16px;
            }
            .latest-draw-card {
                padding: 20px 16px;
            }
            .filter-bar {
                flex-direction: column;
                align-items: stretch;
            }
            .filter-bar input[type="date"],
            .filter-bar input[type="text"] {
                min-width: auto;
                width: 100%;
            }
            .cta-banner {
                padding: 32px 20px;
            }
            .footer-inner {
                flex-direction: column;
                text-align: center;
                gap: 8px;
            }
        }

        @media (max-width: 640px) {
            .hero-category {
                min-height: 240px;
            }
            .ball-number {
                width: 34px;
                height: 34px;
                font-size: 14px;
            }
            .lottery-table thead th,
            .lottery-table tbody td {
                padding: 8px 6px;
                font-size: 12px;
            }
            .section-spacing {
                padding: 36px 0;
            }
            .section-spacing-sm {
                padding: 24px 0;
            }
            .pagination button {
                min-width: 30px;
                height: 30px;
                font-size: 12px;
                padding: 0 6px;
            }
            .link-card {
                padding: 16px 12px;
            }
        }

/* roulang page: category2 */
:root {
            --navy: #0A1F3F;
            --gold: #D4AF37;
            --gold-light: #E8C860;
            --orange: #FF6B35;
            --orange-dark: #E55A2B;
            --bg-light: #F8F9FA;
            --text-main: #2D3748;
            --text-sub: #718096;
            --card-border: #E2E8F0;
            --card-shadow: 0 2px 20px rgba(0, 0, 0, 0.05);
            --card-shadow-hover: 0 8px 30px rgba(0, 0, 0, 0.1);
            --radius-card: 12px;
            --radius-btn: 8px;
            --sidebar-width: 280px;
            --transition-fast: 0.2s ease;
            --transition-smooth: 0.3s ease;
        }

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

        html {
            scroll-behavior: smooth;
            font-size: 16px;
        }

        body {
            font-family: 'PingFang SC', 'Microsoft YaHei', 'system-ui', 'sans-serif';
            color: var(--text-main);
            background-color: var(--bg-light);
            line-height: 1.8;
            -webkit-font-smoothing: antialiased;
            -moz-osx-font-smoothing: grayscale;
            overflow-x: hidden;
            min-height: 100vh;
        }

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

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

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

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

        input {
            font-family: inherit;
            outline: none;
        }

        ul {
            list-style: none;
        }

        /* ========== 侧边栏 ========== */
        .sidebar {
            position: fixed;
            top: 0;
            left: 0;
            width: var(--sidebar-width);
            height: 100vh;
            background-color: var(--navy);
            z-index: 1000;
            display: flex;
            flex-direction: column;
            padding: 28px 20px 20px;
            overflow-y: auto;
            transition: transform var(--transition-smooth);
        }

        .sidebar-logo {
            font-size: 24px;
            font-weight: 700;
            color: var(--gold);
            letter-spacing: 0.5px;
            margin-bottom: 40px;
            padding-left: 8px;
            line-height: 1.3;
            white-space: nowrap;
            flex-shrink: 0;
        }

        .sidebar-nav {
            flex: 1;
            display: flex;
            flex-direction: column;
            gap: 6px;
            list-style: none;
            padding: 0;
            margin: 0;
        }

        .sidebar-nav li a {
            display: flex;
            align-items: center;
            padding: 12px 16px;
            color: #cbd5e0;
            font-size: 15px;
            border-radius: 8px;
            transition: all var(--transition-smooth);
            position: relative;
            border-left: 3px solid transparent;
            white-space: nowrap;
            text-decoration: none;
        }

        .sidebar-nav li a:hover,
        .sidebar-nav li a.active {
            color: #ffffff;
            background-color: rgba(212, 175, 55, 0.08);
            border-left-color: var(--gold);
            padding-left: 20px;
        }

        .sidebar-nav li a.active {
            color: var(--gold);
            font-weight: 600;
        }

        .sidebar-bottom {
            flex-shrink: 0;
            margin-top: auto;
            padding-top: 20px;
            display: flex;
            flex-direction: column;
            align-items: center;
            gap: 8px;
        }

        .sidebar-search-icon {
            display: flex;
            align-items: center;
            justify-content: center;
            width: 40px;
            height: 40px;
            border-radius: 50%;
            background: rgba(255, 255, 255, 0.06);
            color: #cbd5e0;
            cursor: pointer;
            transition: all var(--transition-fast);
            font-size: 16px;
        }

        .sidebar-search-icon:hover {
            background: rgba(255, 255, 255, 0.14);
            color: #fff;
        }

        .sidebar-cta {
            display: block;
            width: 100%;
            background-color: var(--orange);
            color: #fff;
            text-align: center;
            padding: 13px 20px;
            border-radius: var(--radius-btn);
            font-weight: 600;
            font-size: 15px;
            transition: all var(--transition-smooth);
            letter-spacing: 0.3px;
            text-decoration: none;
        }

        .sidebar-cta:hover {
            background-color: var(--orange-dark);
            transform: scale(1.02);
            color: #fff;
        }

        /* ========== 主内容区 ========== */
        .main-content {
            margin-left: var(--sidebar-width);
            min-height: 100vh;
            background: var(--bg-light);
        }

        .container-main {
            max-width: 1100px;
            margin: 0 auto;
            padding: 0 32px;
        }

        /* ========== 移动端顶部导航 ========== */
        .mobile-header {
            display: none;
            position: fixed;
            top: 0;
            left: 0;
            right: 0;
            height: 60px;
            background-color: var(--navy);
            z-index: 999;
            align-items: center;
            padding: 0 16px;
            justify-content: space-between;
        }

        .mobile-header .mobile-logo {
            font-size: 18px;
            font-weight: 700;
            color: var(--gold);
            letter-spacing: 0.3px;
        }

        .hamburger {
            width: 36px;
            height: 36px;
            display: flex;
            flex-direction: column;
            justify-content: center;
            gap: 5px;
            cursor: pointer;
            background: none;
            border: none;
            padding: 6px;
            z-index: 1001;
        }

        .hamburger span {
            display: block;
            width: 24px;
            height: 2px;
            background: #fff;
            border-radius: 2px;
            transition: all var(--transition-smooth);
        }

        .hamburger.open span:nth-child(1) {
            transform: rotate(45deg) translate(5px, 5px);
        }

        .hamburger.open span:nth-child(2) {
            opacity: 0;
        }

        .hamburger.open span:nth-child(3) {
            transform: rotate(-45deg) translate(5px, -5px);
        }

        .mobile-menu {
            display: none;
            position: fixed;
            top: 60px;
            left: 0;
            right: 0;
            background: #fff;
            z-index: 998;
            box-shadow: 0 8px 30px rgba(0, 0, 0, 0.12);
            padding: 12px 0;
            flex-direction: column;
            list-style: none;
        }

        .mobile-menu.open {
            display: flex;
        }

        .mobile-menu li a {
            display: block;
            padding: 14px 24px;
            color: var(--text-main);
            font-size: 15px;
            border-left: 3px solid transparent;
            transition: all var(--transition-fast);
            text-decoration: none;
        }

        .mobile-menu li a:hover,
        .mobile-menu li a.active {
            color: var(--gold);
            border-left-color: var(--gold);
            background: #fef9ee;
        }

        /* ========== 板块间距 ========== */
        .section {
            padding: 60px 0;
        }

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

        .section-lg {
            padding: 80px 0;
        }

        /* ========== 卡片 ========== */
        .card {
            background: #fff;
            border-radius: var(--radius-card);
            border: 1px solid var(--card-border);
            box-shadow: var(--card-shadow);
            transition: all var(--transition-smooth);
            overflow: hidden;
        }

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

        .card-body {
            padding: 28px;
        }

        /* ========== 按钮 ========== */
        .btn {
            display: inline-block;
            padding: 12px 28px;
            border-radius: var(--radius-btn);
            font-weight: 600;
            font-size: 15px;
            transition: all var(--transition-smooth);
            letter-spacing: 0.3px;
            text-align: center;
            cursor: pointer;
            text-decoration: none;
        }

        .btn-primary {
            background-color: var(--orange);
            color: #fff;
            border: 2px solid var(--orange);
        }

        .btn-primary:hover {
            background-color: var(--orange-dark);
            border-color: var(--orange-dark);
            transform: scale(1.02);
            color: #fff;
        }

        .btn-outline {
            background-color: transparent;
            color: var(--gold);
            border: 2px solid var(--gold);
        }

        .btn-outline:hover {
            background-color: var(--gold);
            color: #fff;
            transform: scale(1.02);
        }

        .btn-lg {
            padding: 16px 36px;
            font-size: 17px;
            border-radius: 10px;
        }

        /* ========== 标签 ========== */
        .tag {
            display: inline-block;
            padding: 4px 12px;
            border-radius: 20px;
            font-size: 12px;
            font-weight: 600;
            letter-spacing: 0.3px;
        }

        .tag-hot {
            background: #FFF5F5;
            color: #E53E3E;
        }

        .tag-cold {
            background: #EDF2F7;
            color: #4A5568;
        }

        .tag-warm {
            background: #FFFAF0;
            color: #DD6B20;
        }

        /* ========== 斑马纹表格 ========== */
        .table-zebra {
            width: 100%;
            border-collapse: collapse;
            font-size: 14px;
        }

        .table-zebra thead th {
            background: var(--navy);
            color: #fff;
            padding: 14px 16px;
            text-align: center;
            font-weight: 600;
            font-size: 13px;
            letter-spacing: 0.5px;
            white-space: nowrap;
        }

        .table-zebra tbody td {
            padding: 12px 16px;
            text-align: center;
            border-bottom: 1px solid #E2E8F0;
            transition: background var(--transition-fast);
        }

        .table-zebra tbody tr:nth-child(even) {
            background: #F8FAFC;
        }

        .table-zebra tbody tr:nth-child(odd) {
            background: #fff;
        }

        .table-zebra tbody tr:hover {
            background: #FFFAF0;
        }

        .table-zebra .num-cell {
            display: inline-block;
            width: 32px;
            height: 32px;
            line-height: 32px;
            border-radius: 50%;
            font-weight: 700;
            font-size: 14px;
            transition: all var(--transition-fast);
        }

        .table-zebra .num-hot {
            background: #FFF5F5;
            color: #E53E3E;
        }

        .table-zebra .num-warm {
            background: #FFFAF0;
            color: #DD6B20;
        }

        .table-zebra .num-cold {
            background: #EDF2F7;
            color: #4A5568;
        }

        /* ========== FAQ 手风琴 ========== */
        .faq-item {
            border: 1px solid var(--card-border);
            border-radius: var(--radius-card);
            margin-bottom: 12px;
            overflow: hidden;
            background: #fff;
            transition: all var(--transition-smooth);
        }

        .faq-question {
            width: 100%;
            padding: 18px 24px;
            background: #fff;
            font-size: 17px;
            font-weight: 600;
            color: var(--text-main);
            display: flex;
            justify-content: space-between;
            align-items: center;
            cursor: pointer;
            transition: all var(--transition-fast);
            border: none;
            text-align: left;
            line-height: 1.6;
        }

        .faq-question:hover {
            background: #FAFBFC;
            color: var(--navy);
        }

        .faq-icon {
            font-size: 22px;
            transition: transform var(--transition-smooth);
            flex-shrink: 0;
            margin-left: 16px;
            color: var(--gold);
            font-weight: 400;
        }

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

        .faq-answer {
            max-height: 0;
            overflow: hidden;
            transition: max-height 0.4s ease, padding 0.4s ease;
            padding: 0 24px;
            font-size: 15px;
            color: var(--text-sub);
            line-height: 1.8;
        }

        .faq-item.open .faq-answer {
            max-height: 400px;
            padding: 0 24px 20px;
        }

        /* ========== 滚动淡入 ========== */
        .fade-in {
            opacity: 0;
            transform: translateY(20px);
            transition: opacity 0.6s ease, transform 0.6s ease;
        }

        .fade-in.visible {
            opacity: 1;
            transform: translateY(0);
        }

        /* ========== Hero Banner ========== */
        .hero-banner {
            position: relative;
            background-image: url('/assets/images/backpic/back-1.webp');
            background-size: cover;
            background-position: center;
            min-height: 380px;
            display: flex;
            align-items: center;
            overflow: hidden;
        }

        .hero-banner::before {
            content: '';
            position: absolute;
            inset: 0;
            background: linear-gradient(135deg, rgba(10, 31, 63, 0.88) 0%, rgba(10, 31, 63, 0.7) 100%);
            z-index: 1;
        }

        .hero-banner-content {
            position: relative;
            z-index: 2;
            width: 100%;
            padding: 60px 0;
        }

        /* ========== Canvas 图表容器 ========== */
        .chart-container {
            background: #fff;
            border-radius: var(--radius-card);
            border: 1px solid var(--card-border);
            box-shadow: var(--card-shadow);
            padding: 20px;
            position: relative;
        }

        .chart-container canvas {
            display: block;
            width: 100%;
            height: auto;
        }

        /* ========== 页脚 ========== */
        .site-footer {
            background-color: var(--navy);
            color: #cbd5e0;
            padding: 24px 0;
            font-size: 13px;
        }

        .footer-inner {
            max-width: 1100px;
            margin: 0 auto;
            padding: 0 32px;
            display: flex;
            justify-content: space-between;
            align-items: center;
            flex-wrap: wrap;
            gap: 12px;
        }

        .footer-brand {
            color: var(--gold);
            font-weight: 600;
            font-size: 15px;
        }

        .site-footer a {
            color: var(--gold-light);
            text-decoration: none;
            transition: color var(--transition-fast);
        }

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

        /* ========== 响应式 ========== */
        @media (max-width: 1024px) {
            .sidebar {
                width: 240px;
            }
            :root {
                --sidebar-width: 240px;
            }
            .container-main {
                padding: 0 24px;
            }
            .hero-banner {
                min-height: 300px;
            }
            .section {
                padding: 48px 0;
            }
            .section-lg {
                padding: 60px 0;
            }
        }

        @media (max-width: 768px) {
            .sidebar {
                display: none;
            }
            .main-content {
                margin-left: 0;
                padding-top: 60px;
            }
            .mobile-header {
                display: flex;
            }
            .container-main {
                padding: 0 16px;
            }
            .hero-banner {
                min-height: 260px;
            }
            .hero-banner-content {
                padding: 40px 0;
            }
            .section {
                padding: 36px 0;
            }
            .section-lg {
                padding: 48px 0;
            }
            .section-sm {
                padding: 28px 0;
            }
            .footer-inner {
                flex-direction: column;
                text-align: center;
                gap: 10px;
            }
            .card-body {
                padding: 20px;
            }
            .table-zebra {
                font-size: 12px;
            }
            .table-zebra thead th,
            .table-zebra tbody td {
                padding: 8px 6px;
            }
            .table-zebra .num-cell {
                width: 26px;
                height: 26px;
                line-height: 26px;
                font-size: 12px;
            }
            .chart-container {
                padding: 12px;
            }
        }

        @media (max-width: 520px) {
            .hero-banner {
                min-height: 220px;
            }
            .btn-lg {
                padding: 12px 24px;
                font-size: 15px;
            }
            .table-zebra {
                font-size: 11px;
            }
            .table-zebra .num-cell {
                width: 22px;
                height: 22px;
                line-height: 22px;
                font-size: 10px;
            }
        }

/* roulang page: category4 */
:root {
            --navy: #0A1F3F;
            --gold: #D4AF37;
            --gold-light: #E8C860;
            --orange: #FF6B35;
            --orange-dark: #E55A2B;
            --bg-light: #F8F9FA;
            --text-main: #2D3748;
            --text-sub: #718096;
            --card-border: #E2E8F0;
            --card-shadow: 0 2px 20px rgba(0, 0, 0, 0.05);
            --card-shadow-hover: 0 8px 30px rgba(0, 0, 0, 0.1);
            --radius-card: 12px;
            --radius-btn: 8px;
            --sidebar-width: 280px;
            --transition-fast: 0.2s ease;
            --transition-smooth: 0.3s ease;
        }

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

        html {
            scroll-behavior: smooth;
            font-size: 16px;
        }

        body {
            font-family: 'PingFang SC', 'Microsoft YaHei', 'system-ui', 'sans-serif';
            color: var(--text-main);
            background-color: var(--bg-light);
            line-height: 1.8;
            -webkit-font-smoothing: antialiased;
            -moz-osx-font-smoothing: grayscale;
            overflow-x: hidden;
            margin: 0;
            padding: 0;
        }

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

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

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

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

        input {
            font-family: inherit;
            outline: none;
        }

        /* ========== 侧边栏 ========== */
        .sidebar {
            position: fixed;
            top: 0;
            left: 0;
            width: var(--sidebar-width);
            height: 100vh;
            background-color: var(--navy);
            z-index: 1000;
            display: flex;
            flex-direction: column;
            padding: 28px 20px 20px;
            overflow-y: auto;
        }

        .sidebar-logo {
            font-size: 24px;
            font-weight: 700;
            color: var(--gold);
            letter-spacing: 0.5px;
            margin-bottom: 40px;
            padding-left: 8px;
            line-height: 1.3;
            white-space: nowrap;
        }

        .sidebar-nav {
            flex: 1;
            display: flex;
            flex-direction: column;
            gap: 6px;
            list-style: none;
            padding: 0;
            margin: 0;
        }

        .sidebar-nav li a {
            display: flex;
            align-items: center;
            padding: 12px 16px;
            color: #cbd5e0;
            font-size: 15px;
            border-radius: 8px;
            transition: all var(--transition-smooth);
            position: relative;
            border-left: 3px solid transparent;
            white-space: nowrap;
        }

        .sidebar-nav li a:hover,
        .sidebar-nav li a.active {
            color: #ffffff;
            background-color: rgba(212, 175, 55, 0.08);
            border-left-color: var(--gold);
            padding-left: 20px;
        }

        .sidebar-nav li a.active {
            color: var(--gold);
            font-weight: 600;
        }

        .sidebar-bottom {
            margin-top: auto;
            padding-top: 16px;
            display: flex;
            flex-direction: column;
            align-items: center;
            gap: 8px;
        }

        .sidebar-search-icon {
            display: flex;
            align-items: center;
            justify-content: center;
            width: 40px;
            height: 40px;
            border-radius: 50%;
            background: rgba(255, 255, 255, 0.06);
            color: #cbd5e0;
            cursor: pointer;
            transition: all var(--transition-fast);
            font-size: 16px;
        }

        .sidebar-search-icon:hover {
            background: rgba(255, 255, 255, 0.14);
            color: #fff;
        }

        .sidebar-cta {
            display: block;
            width: 100%;
            background-color: var(--orange);
            color: #fff;
            text-align: center;
            padding: 13px 20px;
            border-radius: var(--radius-btn);
            font-weight: 600;
            font-size: 15px;
            transition: all var(--transition-smooth);
            letter-spacing: 0.3px;
        }

        .sidebar-cta:hover {
            background-color: var(--orange-dark);
            transform: scale(1.02);
            color: #fff;
        }

        /* ========== 主内容区 ========== */
        .main-content {
            margin-left: var(--sidebar-width);
            min-height: 100vh;
            background: var(--bg-light);
        }

        .container-main {
            max-width: 1100px;
            margin: 0 auto;
            padding: 0 32px;
        }

        /* ========== 移动端顶部导航 ========== */
        .mobile-header {
            display: none;
            position: fixed;
            top: 0;
            left: 0;
            right: 0;
            height: 60px;
            background-color: var(--navy);
            z-index: 999;
            align-items: center;
            padding: 0 16px;
            justify-content: space-between;
        }

        .mobile-header .mobile-logo {
            font-size: 18px;
            font-weight: 700;
            color: var(--gold);
            letter-spacing: 0.3px;
        }

        .hamburger {
            width: 36px;
            height: 36px;
            display: flex;
            flex-direction: column;
            justify-content: center;
            gap: 5px;
            cursor: pointer;
            background: none;
            border: none;
            padding: 6px;
            z-index: 1001;
        }

        .hamburger span {
            display: block;
            width: 24px;
            height: 2px;
            background: #fff;
            border-radius: 2px;
            transition: all var(--transition-smooth);
        }

        .hamburger.open span:nth-child(1) {
            transform: rotate(45deg) translate(5px, 5px);
        }

        .hamburger.open span:nth-child(2) {
            opacity: 0;
        }

        .hamburger.open span:nth-child(3) {
            transform: rotate(-45deg) translate(5px, -5px);
        }

        .mobile-menu {
            display: none;
            position: fixed;
            top: 60px;
            left: 0;
            right: 0;
            background: #fff;
            z-index: 998;
            box-shadow: 0 8px 30px rgba(0, 0, 0, 0.12);
            padding: 12px 0;
            flex-direction: column;
            list-style: none;
            margin: 0;
        }

        .mobile-menu.open {
            display: flex;
        }

        .mobile-menu li a {
            display: block;
            padding: 14px 24px;
            color: var(--text-main);
            font-size: 15px;
            border-left: 3px solid transparent;
            transition: all var(--transition-fast);
        }

        .mobile-menu li a:hover,
        .mobile-menu li a.active {
            color: var(--gold);
            border-left-color: var(--gold);
            background: #fef9ee;
        }

        /* ========== 板块间距 ========== */
        .section-spacing {
            padding: 70px 0;
        }

        .section-spacing-sm {
            padding: 50px 0;
        }

        /* ========== Hero ========== */
        .category-hero {
            background: linear-gradient(135deg, #0A1F3F 0%, #132d56 40%, #0d2247 100%);
            color: #fff;
            padding: 60px 0 50px;
            position: relative;
            overflow: hidden;
        }

        .category-hero::before {
            content: '';
            position: absolute;
            top: -60px;
            right: -80px;
            width: 300px;
            height: 300px;
            border-radius: 50%;
            background: rgba(212, 175, 55, 0.06);
            pointer-events: none;
        }

        .category-hero::after {
            content: '';
            position: absolute;
            bottom: -40px;
            left: 10%;
            width: 180px;
            height: 180px;
            border-radius: 50%;
            background: rgba(255, 107, 53, 0.05);
            pointer-events: none;
        }

        .category-hero .hero-inner {
            position: relative;
            z-index: 1;
            max-width: 1100px;
            margin: 0 auto;
            padding: 0 32px;
        }

        .category-hero h1 {
            font-size: 40px;
            font-weight: 700;
            color: #fff;
            margin: 0 0 16px;
            line-height: 1.3;
            letter-spacing: 0.3px;
        }

        .category-hero .hero-subtitle {
            font-size: 17px;
            color: #cbd5e0;
            max-width: 650px;
            line-height: 1.8;
            margin: 0;
        }

        .category-hero .hero-stats {
            display: flex;
            gap: 40px;
            margin-top: 28px;
            flex-wrap: wrap;
        }

        .category-hero .hero-stat-item {
            display: flex;
            align-items: center;
            gap: 10px;
        }

        .category-hero .hero-stat-num {
            font-size: 32px;
            font-weight: 700;
            color: var(--gold);
            line-height: 1;
        }

        .category-hero .hero-stat-label {
            font-size: 14px;
            color: #a0aec0;
            line-height: 1.4;
        }

        /* ========== 故事卡片网格 ========== */
        .stories-grid {
            display: grid;
            grid-template-columns: repeat(3, 1fr);
            gap: 28px;
        }

        .story-card {
            background: #fff;
            border-radius: var(--radius-card);
            border: 1px solid var(--card-border);
            box-shadow: var(--card-shadow);
            overflow: hidden;
            transition: all var(--transition-smooth);
            cursor: pointer;
            display: flex;
            flex-direction: column;
        }

        .story-card:hover {
            box-shadow: var(--card-shadow-hover);
            transform: translateY(-4px);
            border-color: #d4cdb8;
        }

        .story-card .story-thumb {
            width: 100%;
            aspect-ratio: 16 / 10;
            object-fit: cover;
            background: #e8ecf1;
            display: block;
        }

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

        .story-card .story-title {
            font-size: 17px;
            font-weight: 600;
            color: var(--text-main);
            margin: 0 0 8px;
            line-height: 1.4;
            display: -webkit-box;
            -webkit-line-clamp: 2;
            -webkit-box-orient: vertical;
            overflow: hidden;
        }

        .story-card .story-summary {
            font-size: 14px;
            color: var(--text-sub);
            line-height: 1.7;
            margin: 0 0 14px;
            flex: 1;
            display: -webkit-box;
            -webkit-line-clamp: 3;
            -webkit-box-orient: vertical;
            overflow: hidden;
        }

        .story-card .story-meta {
            display: flex;
            align-items: center;
            gap: 10px;
            padding-top: 12px;
            border-top: 1px solid #f0f0f0;
        }

        .story-card .story-avatar {
            width: 40px;
            height: 40px;
            border-radius: 50%;
            background: linear-gradient(135deg, #e8d5a3 0%, #d4af37 60%, #c49b2c 100%);
            display: flex;
            align-items: center;
            justify-content: center;
            color: #fff;
            font-weight: 700;
            font-size: 16px;
            flex-shrink: 0;
        }

        .story-card .story-author {
            font-size: 13px;
            font-weight: 500;
            color: var(--text-main);
        }

        .story-card .story-date {
            font-size: 12px;
            color: #a0aec0;
            margin-left: auto;
        }

        .story-card .story-tag {
            display: inline-block;
            font-size: 11px;
            padding: 3px 10px;
            border-radius: 20px;
            background: #fef9ee;
            color: #b8861e;
            font-weight: 500;
            margin-bottom: 10px;
            letter-spacing: 0.3px;
        }

        /* ========== 精选故事 ========== */
        .featured-story {
            background: #fff;
            border-radius: var(--radius-card);
            border: 1px solid var(--card-border);
            box-shadow: var(--card-shadow);
            overflow: hidden;
            display: flex;
            flex-direction: row;
            transition: all var(--transition-smooth);
        }

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

        .featured-story .featured-thumb {
            width: 45%;
            flex-shrink: 0;
            min-height: 280px;
            object-fit: cover;
            background: #e8ecf1;
            display: block;
        }

        .featured-story .featured-body {
            padding: 32px;
            display: flex;
            flex-direction: column;
            justify-content: center;
        }

        .featured-story .featured-tag {
            display: inline-block;
            font-size: 12px;
            padding: 4px 12px;
            border-radius: 20px;
            background: #fff3e8;
            color: #e55a2b;
            font-weight: 600;
            margin-bottom: 12px;
            letter-spacing: 0.3px;
            width: fit-content;
        }

        .featured-story .featured-title {
            font-size: 22px;
            font-weight: 700;
            color: var(--text-main);
            margin: 0 0 10px;
            line-height: 1.4;
        }

        .featured-story .featured-summary {
            font-size: 15px;
            color: var(--text-sub);
            line-height: 1.8;
            margin: 0 0 16px;
        }

        .featured-story .featured-meta {
            display: flex;
            align-items: center;
            gap: 10px;
            font-size: 13px;
            color: #a0aec0;
        }

        .featured-story .featured-avatar {
            width: 44px;
            height: 44px;
            border-radius: 50%;
            background: linear-gradient(135deg, #e8d5a3 0%, #d4af37 60%, #c49b2c 100%);
            display: flex;
            align-items: center;
            justify-content: center;
            color: #fff;
            font-weight: 700;
            font-size: 18px;
            flex-shrink: 0;
        }

        /* ========== 提交故事CTA板块 ========== */
        .submit-story-section {
            background: linear-gradient(135deg, #0A1F3F 0%, #132d56 100%);
            border-radius: 16px;
            padding: 48px 40px;
            color: #fff;
            text-align: center;
            position: relative;
            overflow: hidden;
        }

        .submit-story-section::before {
            content: '';
            position: absolute;
            top: -40px;
            right: -40px;
            width: 200px;
            height: 200px;
            border-radius: 50%;
            background: rgba(212, 175, 55, 0.08);
            pointer-events: none;
        }

        .submit-story-section h3 {
            font-size: 26px;
            font-weight: 700;
            margin: 0 0 12px;
            position: relative;
            z-index: 1;
        }

        .submit-story-section p {
            font-size: 15px;
            color: #cbd5e0;
            margin: 0 0 24px;
            position: relative;
            z-index: 1;
        }

        .btn-submit-story {
            display: inline-block;
            background: var(--orange);
            color: #fff;
            padding: 14px 36px;
            border-radius: var(--radius-btn);
            font-weight: 600;
            font-size: 16px;
            transition: all var(--transition-smooth);
            position: relative;
            z-index: 1;
            letter-spacing: 0.3px;
        }

        .btn-submit-story:hover {
            background: var(--orange-dark);
            transform: scale(1.03);
            color: #fff;
            box-shadow: 0 6px 24px rgba(255, 107, 53, 0.35);
        }

        /* ========== 相关分类链接卡片 ========== */
        .related-link-card {
            background: #fff;
            border-radius: var(--radius-card);
            border: 1px solid var(--card-border);
            padding: 22px 20px;
            text-align: center;
            transition: all var(--transition-smooth);
            cursor: pointer;
            display: block;
        }

        .related-link-card:hover {
            box-shadow: var(--card-shadow-hover);
            transform: translateY(-3px);
            border-color: #d4cdb8;
        }

        .related-link-card .related-icon {
            font-size: 32px;
            margin-bottom: 10px;
            display: block;
        }

        .related-link-card .related-label {
            font-size: 15px;
            font-weight: 600;
            color: var(--text-main);
        }

        .related-link-card .related-desc {
            font-size: 13px;
            color: var(--text-sub);
            margin-top: 4px;
        }

        /* ========== FAQ 手风琴 ========== */
        .faq-item {
            border: 1px solid var(--card-border);
            border-radius: 10px;
            margin-bottom: 10px;
            background: #fff;
            overflow: hidden;
            transition: all var(--transition-fast);
        }

        .faq-item:hover {
            border-color: #d4cdb8;
        }

        .faq-question {
            width: 100%;
            background: none;
            padding: 18px 22px;
            font-size: 17px;
            font-weight: 600;
            color: var(--text-main);
            display: flex;
            justify-content: space-between;
            align-items: center;
            cursor: pointer;
            text-align: left;
            line-height: 1.5;
            transition: color var(--transition-fast);
        }

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

        .faq-icon {
            flex-shrink: 0;
            width: 28px;
            height: 28px;
            border-radius: 50%;
            background: #f0f0f0;
            display: flex;
            align-items: center;
            justify-content: center;
            font-size: 18px;
            transition: all var(--transition-smooth);
            color: #666;
            margin-left: 12px;
        }

        .faq-item.open .faq-icon {
            transform: rotate(45deg);
            background: #fef9ee;
            color: var(--gold);
        }

        .faq-answer {
            max-height: 0;
            overflow: hidden;
            transition: max-height 0.4s ease, padding 0.4s ease;
            padding: 0 22px;
            font-size: 15px;
            color: var(--text-sub);
            line-height: 1.8;
        }

        .faq-item.open .faq-answer {
            max-height: 300px;
            padding: 0 22px 20px;
        }

        /* ========== CTA 横幅 ========== */
        .cta-banner {
            background: linear-gradient(135deg, #FF6B35 0%, #e55a2b 60%, #d44a1f 100%);
            border-radius: 16px;
            padding: 44px 36px;
            text-align: center;
            color: #fff;
            position: relative;
            overflow: hidden;
        }

        .cta-banner::after {
            content: '';
            position: absolute;
            top: -30px;
            right: -30px;
            width: 160px;
            height: 160px;
            border-radius: 50%;
            background: rgba(255, 255, 255, 0.06);
            pointer-events: none;
        }

        .cta-banner h3 {
            font-size: 26px;
            font-weight: 700;
            margin: 0 0 10px;
            position: relative;
            z-index: 1;
        }

        .cta-banner p {
            font-size: 15px;
            opacity: 0.9;
            margin: 0 0 22px;
            position: relative;
            z-index: 1;
        }

        .btn-cta-white {
            display: inline-block;
            background: #fff;
            color: var(--orange);
            padding: 13px 32px;
            border-radius: var(--radius-btn);
            font-weight: 700;
            font-size: 15px;
            transition: all var(--transition-smooth);
            position: relative;
            z-index: 1;
            letter-spacing: 0.3px;
        }

        .btn-cta-white:hover {
            transform: scale(1.03);
            box-shadow: 0 6px 22px rgba(0, 0, 0, 0.2);
            color: var(--orange-dark);
        }

        /* ========== 页脚 ========== */
        .site-footer {
            background: var(--navy);
            color: #cbd5e0;
            padding: 24px 0;
            margin-top: 40px;
        }

        .footer-inner {
            max-width: 1100px;
            margin: 0 auto;
            padding: 0 32px;
            display: flex;
            justify-content: space-between;
            align-items: center;
            flex-wrap: wrap;
            gap: 12px;
        }

        .footer-brand {
            color: var(--gold);
            font-weight: 600;
            font-size: 15px;
            letter-spacing: 0.3px;
        }

        .site-footer a {
            color: var(--gold-light);
            transition: color var(--transition-fast);
        }

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

        /* ========== 滚动淡入动效 ========== */
        .fade-up {
            opacity: 0;
            transform: translateY(20px);
            transition: opacity 0.6s ease, transform 0.6s ease;
        }

        .fade-up.visible {
            opacity: 1;
            transform: translateY(0);
        }

        /* ========== 响应式 ========== */
        @media (max-width: 1024px) {
            .stories-grid {
                grid-template-columns: repeat(2, 1fr);
                gap: 20px;
            }
            .featured-story {
                flex-direction: column;
            }
            .featured-story .featured-thumb {
                width: 100%;
                min-height: 200px;
                aspect-ratio: 16 / 9;
            }
            .category-hero h1 {
                font-size: 32px;
            }
            .section-spacing {
                padding: 50px 0;
            }
            .section-spacing-sm {
                padding: 36px 0;
            }
        }

        @media (max-width: 768px) {
            .sidebar {
                display: none;
            }
            .main-content {
                margin-left: 0;
                padding-top: 60px;
            }
            .mobile-header {
                display: flex;
            }
            .stories-grid {
                grid-template-columns: 1fr;
                gap: 16px;
            }
            .category-hero {
                padding: 40px 0 32px;
            }
            .category-hero h1 {
                font-size: 26px;
            }
            .category-hero .hero-subtitle {
                font-size: 15px;
            }
            .category-hero .hero-stats {
                gap: 20px;
                margin-top: 18px;
            }
            .category-hero .hero-stat-num {
                font-size: 26px;
            }
            .container-main {
                padding: 0 16px;
            }
            .section-spacing {
                padding: 36px 0;
            }
            .section-spacing-sm {
                padding: 28px 0;
            }
            .featured-story .featured-body {
                padding: 20px;
            }
            .featured-story .featured-title {
                font-size: 18px;
            }
            .submit-story-section {
                padding: 32px 20px;
            }
            .submit-story-section h3 {
                font-size: 22px;
            }
            .cta-banner {
                padding: 28px 20px;
            }
            .cta-banner h3 {
                font-size: 22px;
            }
            .footer-inner {
                flex-direction: column;
                text-align: center;
                gap: 8px;
            }
            .related-link-grid {
                grid-template-columns: repeat(2, 1fr) !important;
                gap: 12px !important;
            }
        }

        @media (max-width: 520px) {
            .category-hero h1 {
                font-size: 22px;
            }
            .category-hero .hero-stats {
                flex-direction: column;
                gap: 10px;
            }
            .story-card .story-body {
                padding: 16px 14px 14px;
            }
            .story-card .story-title {
                font-size: 15px;
            }
            .related-link-grid {
                grid-template-columns: 1fr !important;
            }
        }

/* roulang page: category5 */
:root {
            --navy: #0A1F3F;
            --gold: #D4AF37;
            --gold-light: #E8C860;
            --orange: #FF6B35;
            --orange-dark: #E55A2B;
            --bg-light: #F8F9FA;
            --text-main: #2D3748;
            --text-sub: #718096;
            --card-border: #E2E8F0;
            --card-shadow: 0 2px 20px rgba(0, 0, 0, 0.05);
            --card-shadow-hover: 0 8px 30px rgba(0, 0, 0, 0.1);
            --radius-card: 12px;
            --radius-btn: 8px;
            --sidebar-width: 280px;
            --transition-fast: 0.2s ease;
            --transition-smooth: 0.3s ease;
        }

        html {
            scroll-behavior: smooth;
            font-size: 16px;
        }
        body {
            font-family: 'PingFang SC', 'Microsoft YaHei', 'system-ui', 'sans-serif';
            color: var(--text-main);
            background-color: var(--bg-light);
            line-height: 1.8;
            -webkit-font-smoothing: antialiased;
            -moz-osx-font-smoothing: grayscale;
            overflow-x: hidden;
            margin: 0;
            padding: 0;
        }
        *,
        *::before,
        *::after {
            box-sizing: border-box;
        }
        a {
            color: inherit;
            text-decoration: none;
            transition: color var(--transition-fast);
        }
        a:hover {
            color: var(--gold);
        }
        img {
            max-width: 100%;
            height: auto;
            display: block;
        }
        button {
            cursor: pointer;
            font-family: inherit;
            border: none;
            outline: none;
        }
        input {
            font-family: inherit;
            outline: none;
        }
        ul {
            list-style: none;
            padding: 0;
            margin: 0;
        }

        /* ========== 侧边栏 ========== */
        .sidebar {
            position: fixed;
            top: 0;
            left: 0;
            width: var(--sidebar-width);
            height: 100vh;
            background-color: var(--navy);
            z-index: 1000;
            display: flex;
            flex-direction: column;
            padding: 28px 20px 20px;
            overflow-y: auto;
        }
        .sidebar-logo {
            font-size: 24px;
            font-weight: 700;
            color: var(--gold);
            letter-spacing: 0.5px;
            margin-bottom: 40px;
            padding-left: 8px;
            line-height: 1.3;
            white-space: nowrap;
        }
        .sidebar-nav {
            flex: 1;
            display: flex;
            flex-direction: column;
            gap: 6px;
            list-style: none;
            padding: 0;
            margin: 0;
        }
        .sidebar-nav li a {
            display: flex;
            align-items: center;
            padding: 12px 16px;
            color: #cbd5e0;
            font-size: 15px;
            border-radius: 8px;
            transition: all var(--transition-smooth);
            position: relative;
            border-left: 3px solid transparent;
            white-space: nowrap;
        }
        .sidebar-nav li a:hover,
        .sidebar-nav li a.active {
            color: #ffffff;
            background-color: rgba(212, 175, 55, 0.08);
            border-left-color: var(--gold);
            padding-left: 20px;
        }
        .sidebar-nav li a.active {
            color: var(--gold);
            font-weight: 600;
        }
        .sidebar-cta {
            display: block;
            width: 100%;
            background-color: var(--orange);
            color: #fff;
            text-align: center;
            padding: 13px 20px;
            border-radius: var(--radius-btn);
            font-weight: 600;
            font-size: 15px;
            transition: all var(--transition-smooth);
            letter-spacing: 0.3px;
            margin-top: 20px;
        }
        .sidebar-cta:hover {
            background-color: var(--orange-dark);
            transform: scale(1.02);
            color: #fff;
        }
        .sidebar-search-icon {
            display: flex;
            align-items: center;
            justify-content: center;
            width: 40px;
            height: 40px;
            border-radius: 50%;
            background: rgba(255, 255, 255, 0.06);
            color: #cbd5e0;
            margin: 0 auto 12px;
            cursor: pointer;
            transition: all var(--transition-fast);
            font-size: 16px;
        }
        .sidebar-search-icon:hover {
            background: rgba(255, 255, 255, 0.14);
            color: #fff;
        }

        /* ========== 主内容区 ========== */
        .main-content {
            margin-left: var(--sidebar-width);
            min-height: 100vh;
            background: var(--bg-light);
        }
        .container-main {
            max-width: 1100px;
            margin: 0 auto;
            padding: 0 32px;
        }

        /* ========== 移动端顶部导航 ========== */
        .mobile-header {
            display: none;
            position: fixed;
            top: 0;
            left: 0;
            right: 0;
            height: 60px;
            background-color: var(--navy);
            z-index: 999;
            align-items: center;
            padding: 0 16px;
            justify-content: space-between;
        }
        .mobile-header .mobile-logo {
            font-size: 18px;
            font-weight: 700;
            color: var(--gold);
            letter-spacing: 0.3px;
        }
        .hamburger {
            width: 36px;
            height: 36px;
            display: flex;
            flex-direction: column;
            justify-content: center;
            gap: 5px;
            cursor: pointer;
            background: none;
            border: none;
            padding: 6px;
            z-index: 1001;
        }
        .hamburger span {
            display: block;
            width: 24px;
            height: 2px;
            background: #fff;
            border-radius: 2px;
            transition: all var(--transition-smooth);
        }
        .hamburger.open span:nth-child(1) {
            transform: rotate(45deg) translate(5px, 5px);
        }
        .hamburger.open span:nth-child(2) {
            opacity: 0;
        }
        .hamburger.open span:nth-child(3) {
            transform: rotate(-45deg) translate(5px, -5px);
        }
        .mobile-menu {
            display: none;
            position: fixed;
            top: 60px;
            left: 0;
            right: 0;
            background: #fff;
            z-index: 998;
            box-shadow: 0 8px 30px rgba(0, 0, 0, 0.12);
            padding: 12px 0;
            flex-direction: column;
            list-style: none;
            margin: 0;
        }
        .mobile-menu.open {
            display: flex;
        }
        .mobile-menu li a {
            display: block;
            padding: 14px 24px;
            color: var(--text-main);
            font-size: 15px;
            border-left: 3px solid transparent;
            transition: all var(--transition-fast);
        }
        .mobile-menu li a:hover,
        .mobile-menu li a.active {
            color: var(--gold);
            border-left-color: var(--gold);
            background: #fef9ee;
        }

        /* ========== Section 通用 ========== */
        .section-block {
            padding: 80px 0;
        }
        .section-block-sm {
            padding: 50px 0;
        }
        .section-title {
            font-size: 28px;
            font-weight: 700;
            color: var(--navy);
            margin-bottom: 12px;
            line-height: 1.3;
        }
        .section-subtitle {
            font-size: 16px;
            color: var(--text-sub);
            margin-bottom: 32px;
            line-height: 1.7;
        }

        /* ========== Hero ========== */
        .hero-tools {
            position: relative;
            background: linear-gradient(135deg, #0A1F3F 0%, #0D2B54 40%, #0F3460 100%);
            padding: 80px 0 100px;
            overflow: hidden;
            min-height: 420px;
            display: flex;
            align-items: center;
        }
        .hero-tools::before {
            content: '';
            position: absolute;
            top: -50%;
            right: -15%;
            width: 600px;
            height: 600px;
            border-radius: 50%;
            background: radial-gradient(circle, rgba(212, 175, 55, 0.12) 0%, transparent 70%);
            pointer-events: none;
        }
        .hero-tools::after {
            content: '';
            position: absolute;
            bottom: -30%;
            left: -10%;
            width: 400px;
            height: 400px;
            border-radius: 50%;
            background: radial-gradient(circle, rgba(255, 107, 53, 0.08) 0%, transparent 70%);
            pointer-events: none;
        }
        .hero-tools .hero-inner {
            position: relative;
            z-index: 2;
            display: flex;
            align-items: center;
            gap: 48px;
            flex-wrap: wrap;
        }
        .hero-tools .hero-text {
            flex: 1;
            min-width: 300px;
        }
        .hero-tools .hero-text h1 {
            font-size: 44px;
            font-weight: 700;
            color: #fff;
            line-height: 1.2;
            margin-bottom: 16px;
            letter-spacing: 0.5px;
        }
        .hero-tools .hero-text h1 span {
            color: var(--gold);
        }
        .hero-tools .hero-text .hero-desc {
            font-size: 17px;
            color: #cbd5e0;
            line-height: 1.7;
            margin-bottom: 28px;
            max-width: 520px;
        }
        .hero-tools .hero-visual {
            flex: 0 0 340px;
            background: rgba(255, 255, 255, 0.04);
            border-radius: 20px;
            padding: 36px 28px;
            border: 1px solid rgba(255, 255, 255, 0.1);
            backdrop-filter: blur(8px);
            text-align: center;
        }
        .hero-tools .hero-visual .tool-preview-icon {
            font-size: 56px;
            margin-bottom: 16px;
            display: block;
        }
        .hero-tools .hero-visual .tool-preview-title {
            color: #fff;
            font-size: 18px;
            font-weight: 600;
            margin-bottom: 8px;
        }
        .hero-tools .hero-visual .tool-preview-nums {
            display: flex;
            gap: 8px;
            justify-content: center;
            flex-wrap: wrap;
            margin-top: 16px;
        }
        .hero-tools .hero-visual .tool-preview-nums span {
            display: inline-flex;
            align-items: center;
            justify-content: center;
            width: 42px;
            height: 42px;
            border-radius: 50%;
            background: var(--orange);
            color: #fff;
            font-weight: 700;
            font-size: 16px;
            animation: pulseBall 2s ease-in-out infinite;
        }
        .hero-tools .hero-visual .tool-preview-nums span:nth-child(2) {
            animation-delay: 0.15s;
        }
        .hero-tools .hero-visual .tool-preview-nums span:nth-child(3) {
            animation-delay: 0.3s;
        }
        .hero-tools .hero-visual .tool-preview-nums span:nth-child(4) {
            animation-delay: 0.45s;
        }
        .hero-tools .hero-visual .tool-preview-nums span:nth-child(5) {
            animation-delay: 0.6s;
        }
        .hero-tools .hero-visual .tool-preview-nums span.ball-back {
            background: #0A1F3F;
            border: 2px solid var(--gold);
            color: var(--gold);
            animation-delay: 0.75s;
        }
        .hero-tools .hero-visual .tool-preview-nums span.ball-back:nth-child(7) {
            animation-delay: 0.9s;
        }
        @keyframes pulseBall {
            0%,
            100% {
                transform: scale(1);
            }
            50% {
                transform: scale(1.12);
            }
        }
        .btn-hero {
            display: inline-block;
            background: var(--orange);
            color: #fff;
            padding: 14px 32px;
            border-radius: var(--radius-btn);
            font-weight: 600;
            font-size: 16px;
            transition: all var(--transition-smooth);
            letter-spacing: 0.3px;
            text-align: center;
        }
        .btn-hero:hover {
            background: var(--orange-dark);
            transform: scale(1.03);
            color: #fff;
            box-shadow: 0 6px 24px rgba(255, 107, 53, 0.35);
        }
        .btn-outline-hero {
            display: inline-block;
            background: transparent;
            color: #fff;
            border: 2px solid rgba(255, 255, 255, 0.5);
            padding: 13px 30px;
            border-radius: var(--radius-btn);
            font-weight: 600;
            font-size: 16px;
            transition: all var(--transition-smooth);
            letter-spacing: 0.3px;
            text-align: center;
            margin-left: 12px;
        }
        .btn-outline-hero:hover {
            border-color: var(--gold);
            color: var(--gold);
            background: rgba(212, 175, 55, 0.06);
        }

        /* ========== 卡片 ========== */
        .card-tool {
            background: #fff;
            border-radius: var(--radius-card);
            border: 1px solid var(--card-border);
            box-shadow: var(--card-shadow);
            padding: 28px;
            transition: all var(--transition-smooth);
            height: 100%;
        }
        .card-tool:hover {
            box-shadow: var(--card-shadow-hover);
            transform: translateY(-4px);
        }
        .card-tool .card-icon {
            width: 52px;
            height: 52px;
            border-radius: 12px;
            display: flex;
            align-items: center;
            justify-content: center;
            font-size: 24px;
            margin-bottom: 16px;
            background: #fef9ee;
            color: var(--gold);
        }
        .card-tool h3 {
            font-size: 18px;
            font-weight: 600;
            color: var(--navy);
            margin-bottom: 8px;
        }
        .card-tool p {
            font-size: 14px;
            color: var(--text-sub);
            line-height: 1.7;
            margin: 0;
        }

        /* ========== 表单区域 ========== */
        .form-section {
            background: #fff;
            border-radius: 16px;
            border: 1px solid var(--card-border);
            box-shadow: var(--card-shadow);
            padding: 40px;
            position: relative;
        }
        .form-section .form-label {
            font-weight: 600;
            color: var(--navy);
            font-size: 15px;
            margin-bottom: 8px;
            display: block;
        }
        .form-input {
            width: 100%;
            padding: 12px 16px;
            border: 1px solid #CBD5E0;
            border-radius: 8px;
            font-size: 15px;
            transition: all var(--transition-fast);
            background: #fff;
            color: var(--text-main);
        }
        .form-input:focus {
            border-color: var(--gold);
            box-shadow: 0 0 0 3px rgba(212, 175, 55, 0.3);
            outline: none;
        }
        .btn-primary {
            background: var(--orange);
            color: #fff;
            padding: 13px 28px;
            border-radius: var(--radius-btn);
            font-weight: 600;
            font-size: 15px;
            transition: all var(--transition-smooth);
            letter-spacing: 0.3px;
            display: inline-block;
            text-align: center;
        }
        .btn-primary:hover {
            background: var(--orange-dark);
            transform: scale(1.02);
            color: #fff;
            box-shadow: 0 4px 18px rgba(255, 107, 53, 0.3);
        }
        .btn-secondary {
            background: #fff;
            color: var(--navy);
            border: 2px solid #CBD5E0;
            padding: 12px 26px;
            border-radius: var(--radius-btn);
            font-weight: 600;
            font-size: 15px;
            transition: all var(--transition-smooth);
            display: inline-block;
            text-align: center;
        }
        .btn-secondary:hover {
            border-color: var(--gold);
            color: var(--gold);
            background: #fef9ee;
        }
        .result-display {
            background: #f8fafc;
            border-radius: 12px;
            padding: 24px;
            text-align: center;
            border: 1px dashed #CBD5E0;
            min-height: 80px;
            display: flex;
            align-items: center;
            justify-content: center;
            flex-wrap: wrap;
            gap: 10px;
        }
        .result-ball {
            display: inline-flex;
            align-items: center;
            justify-content: center;
            width: 48px;
            height: 48px;
            border-radius: 50%;
            background: var(--orange);
            color: #fff;
            font-weight: 700;
            font-size: 18px;
            transition: all 0.3s ease;
        }
        .result-ball.back-ball {
            background: var(--navy);
            border: 2px solid var(--gold);
            color: var(--gold);
        }
        .result-ball.pop {
            animation: popIn 0.4s ease-out;
        }
        @keyframes popIn {
            0% {
                transform: scale(0);
                opacity: 0;
            }
            60% {
                transform: scale(1.2);
            }
            100% {
                transform: scale(1);
                opacity: 1;
            }
        }
        .analysis-row {
            display: flex;
            gap: 12px;
            flex-wrap: wrap;
            margin-top: 12px;
        }
        .analysis-tag {
            display: inline-block;
            padding: 6px 14px;
            border-radius: 20px;
            font-size: 13px;
            font-weight: 500;
            background: #f0f4f8;
            color: var(--text-main);
        }
        .analysis-tag.highlight {
            background: #fef9ee;
            color: #b8860b;
            border: 1px solid var(--gold);
        }

        /* ========== FAQ ========== */
        .faq-item {
            border-bottom: 1px solid #E2E8F0;
            padding: 0;
        }
        .faq-question {
            width: 100%;
            background: none;
            text-align: left;
            padding: 18px 0;
            font-size: 17px;
            font-weight: 600;
            color: var(--navy);
            cursor: pointer;
            display: flex;
            justify-content: space-between;
            align-items: center;
            transition: color var(--transition-fast);
            border: none;
            outline: none;
        }
        .faq-question:hover {
            color: var(--gold);
        }
        .faq-question .faq-icon {
            font-size: 22px;
            transition: transform var(--transition-smooth);
            color: var(--text-sub);
            flex-shrink: 0;
            margin-left: 16px;
        }
        .faq-question.open .faq-icon {
            transform: rotate(45deg);
            color: var(--gold);
        }
        .faq-answer {
            max-height: 0;
            overflow: hidden;
            transition: max-height 0.4s ease, padding 0.4s ease;
            padding: 0;
            font-size: 15px;
            color: var(--text-sub);
            line-height: 1.8;
        }
        .faq-answer.open {
            max-height: 400px;
            padding: 0 0 20px 0;
        }

        /* ========== CTA Banner ========== */
        .cta-banner {
            background: linear-gradient(135deg, #0A1F3F 0%, #0F3460 100%);
            border-radius: 16px;
            padding: 48px 40px;
            text-align: center;
            position: relative;
            overflow: hidden;
        }
        .cta-banner::before {
            content: '';
            position: absolute;
            top: -60%;
            right: -20%;
            width: 350px;
            height: 350px;
            border-radius: 50%;
            background: radial-gradient(circle, rgba(212, 175, 55, 0.15) 0%, transparent 70%);
            pointer-events: none;
        }
        .cta-banner h2 {
            font-size: 30px;
            font-weight: 700;
            color: #fff;
            margin-bottom: 12px;
            position: relative;
            z-index: 1;
        }
        .cta-banner p {
            color: #cbd5e0;
            font-size: 16px;
            margin-bottom: 24px;
            position: relative;
            z-index: 1;
        }
        .cta-banner .btn-cta-banner {
            display: inline-block;
            background: var(--orange);
            color: #fff;
            padding: 15px 36px;
            border-radius: var(--radius-btn);
            font-weight: 700;
            font-size: 17px;
            transition: all var(--transition-smooth);
            letter-spacing: 0.4px;
            position: relative;
            z-index: 1;
        }
        .cta-banner .btn-cta-banner:hover {
            background: var(--orange-dark);
            transform: scale(1.04);
            color: #fff;
            box-shadow: 0 8px 28px rgba(255, 107, 53, 0.4);
        }

        /* ========== 页脚 ========== */
        .site-footer {
            background: var(--navy);
            color: #cbd5e0;
            padding: 24px 0;
            margin-top: 0;
        }
        .footer-inner {
            max-width: 1100px;
            margin: 0 auto;
            padding: 0 32px;
            display: flex;
            justify-content: space-between;
            align-items: center;
            flex-wrap: wrap;
            gap: 12px;
        }
        .footer-brand {
            color: var(--gold);
            font-weight: 600;
            font-size: 15px;
        }
        .site-footer a {
            color: var(--gold);
            font-size: 13px;
            transition: color var(--transition-fast);
        }
        .site-footer a:hover {
            color: var(--gold-light);
        }

        /* ========== 滚动淡入 ========== */
        .fade-up {
            opacity: 0;
            transform: translateY(20px);
            transition: opacity 0.7s ease, transform 0.7s ease;
        }
        .fade-up.visible {
            opacity: 1;
            transform: translateY(0);
        }

        /* ========== 响应式 ========== */
        @media (max-width: 1024px) {
            .sidebar {
                display: none;
            }
            .main-content {
                margin-left: 0;
                padding-top: 60px;
            }
            .mobile-header {
                display: flex;
            }
            .hero-tools .hero-inner {
                flex-direction: column;
                gap: 32px;
            }
            .hero-tools .hero-visual {
                flex: 0 0 auto;
                width: 100%;
                max-width: 400px;
            }
            .hero-tools .hero-text h1 {
                font-size: 34px;
            }
            .section-block {
                padding: 50px 0;
            }
            .section-block-sm {
                padding: 36px 0;
            }
            .container-main {
                padding: 0 20px;
            }
            .form-section {
                padding: 28px 20px;
            }
            .footer-inner {
                flex-direction: column;
                text-align: center;
                gap: 8px;
            }
        }
        @media (max-width: 640px) {
            .hero-tools {
                padding: 50px 0 60px;
                min-height: auto;
            }
            .hero-tools .hero-text h1 {
                font-size: 26px;
            }
            .hero-tools .hero-visual .tool-preview-nums span {
                width: 34px;
                height: 34px;
                font-size: 14px;
            }
            .section-title {
                font-size: 22px;
            }
            .btn-hero,
            .btn-outline-hero {
                display: block;
                width: 100%;
                margin: 8px 0;
            }
            .btn-outline-hero {
                margin-left: 0;
            }
            .result-ball {
                width: 38px;
                height: 38px;
                font-size: 15px;
            }
            .cta-banner {
                padding: 32px 20px;
            }
            .cta-banner h2 {
                font-size: 22px;
            }
            .card-tool {
                padding: 20px;
            }
        }

/* roulang page: category6 */
:root {
            --navy: #0A1F3F;
            --gold: #D4AF37;
            --gold-light: #E8C860;
            --orange: #FF6B35;
            --orange-dark: #E55A2B;
            --bg-light: #F8F9FA;
            --text-main: #2D3748;
            --text-sub: #718096;
            --card-border: #E2E8F0;
            --card-shadow: 0 2px 20px rgba(0, 0, 0, 0.05);
            --card-shadow-hover: 0 8px 30px rgba(0, 0, 0, 0.1);
            --radius-card: 12px;
            --radius-btn: 8px;
            --sidebar-width: 280px;
            --transition-fast: 0.2s ease;
            --transition-smooth: 0.3s ease;
        }

        html {
            scroll-behavior: smooth;
            font-size: 16px;
        }

        body {
            font-family: 'PingFang SC', 'Microsoft YaHei', 'system-ui', 'sans-serif';
            color: var(--text-main);
            background-color: var(--bg-light);
            line-height: 1.8;
            -webkit-font-smoothing: antialiased;
            -moz-osx-font-smoothing: grayscale;
            overflow-x: hidden;
            margin: 0;
            padding: 0;
        }

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

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

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

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

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

        input {
            font-family: inherit;
            outline: none;
        }

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

        /* ========== 侧边栏 ========== */
        .sidebar {
            position: fixed;
            top: 0;
            left: 0;
            width: var(--sidebar-width);
            height: 100vh;
            background-color: var(--navy);
            z-index: 1000;
            display: flex;
            flex-direction: column;
            padding: 32px 20px 24px;
            overflow-y: auto;
            box-shadow: 2px 0 24px rgba(0, 0, 0, 0.18);
        }

        .sidebar-logo {
            font-size: 24px;
            font-weight: 700;
            color: var(--gold);
            letter-spacing: 0.5px;
            margin-bottom: 40px;
            padding-left: 8px;
            line-height: 1.3;
            white-space: nowrap;
            text-align: left;
        }

        .sidebar-nav {
            flex: 1;
            display: flex;
            flex-direction: column;
            gap: 6px;
            list-style: none;
            padding: 0;
            margin: 0;
        }

        .sidebar-nav li a {
            display: flex;
            align-items: center;
            padding: 12px 16px;
            color: #cbd5e0;
            font-size: 15px;
            border-radius: 8px;
            transition: all var(--transition-smooth);
            position: relative;
            border-left: 3px solid transparent;
            white-space: nowrap;
            text-decoration: none;
        }

        .sidebar-nav li a:hover,
        .sidebar-nav li a.active {
            color: #ffffff;
            background-color: rgba(212, 175, 55, 0.08);
            border-left-color: var(--gold);
            padding-left: 20px;
        }

        .sidebar-nav li a.active {
            color: var(--gold);
            font-weight: 600;
        }

        .sidebar-search-icon {
            display: flex;
            align-items: center;
            justify-content: center;
            width: 40px;
            height: 40px;
            border-radius: 50%;
            background: rgba(255, 255, 255, 0.06);
            color: #cbd5e0;
            margin: 0 auto 12px;
            cursor: pointer;
            transition: all var(--transition-fast);
            font-size: 16px;
        }

        .sidebar-search-icon:hover {
            background: rgba(255, 255, 255, 0.14);
            color: #fff;
        }

        .sidebar-cta {
            display: block;
            width: 100%;
            background-color: var(--orange);
            color: #fff;
            text-align: center;
            padding: 13px 20px;
            border-radius: var(--radius-btn);
            font-weight: 600;
            font-size: 15px;
            transition: all var(--transition-smooth);
            letter-spacing: 0.3px;
            text-decoration: none;
            cursor: pointer;
        }

        .sidebar-cta:hover {
            background-color: var(--orange-dark);
            transform: scale(1.02);
            color: #fff;
        }

        /* ========== 主内容区 ========== */
        .main-content {
            margin-left: var(--sidebar-width);
            min-height: 100vh;
            background: var(--bg-light);
        }

        .container-main {
            max-width: 1100px;
            margin: 0 auto;
            padding: 0 32px;
        }

        /* ========== 移动端顶部导航 ========== */
        .mobile-header {
            display: none;
            position: fixed;
            top: 0;
            left: 0;
            right: 0;
            height: 60px;
            background-color: var(--navy);
            z-index: 999;
            align-items: center;
            padding: 0 16px;
            justify-content: space-between;
        }

        .mobile-header .mobile-logo {
            font-size: 18px;
            font-weight: 700;
            color: var(--gold);
            letter-spacing: 0.3px;
        }

        .hamburger {
            width: 36px;
            height: 36px;
            display: flex;
            flex-direction: column;
            justify-content: center;
            gap: 5px;
            cursor: pointer;
            background: none;
            border: none;
            padding: 6px;
            z-index: 1001;
        }

        .hamburger span {
            display: block;
            width: 24px;
            height: 2px;
            background: #fff;
            border-radius: 2px;
            transition: all var(--transition-smooth);
        }

        .hamburger.open span:nth-child(1) {
            transform: rotate(45deg) translate(5px, 5px);
        }

        .hamburger.open span:nth-child(2) {
            opacity: 0;
        }

        .hamburger.open span:nth-child(3) {
            transform: rotate(-45deg) translate(5px, -5px);
        }

        .mobile-menu {
            display: none;
            position: fixed;
            top: 60px;
            left: 0;
            right: 0;
            background: #fff;
            z-index: 998;
            box-shadow: 0 8px 30px rgba(0, 0, 0, 0.12);
            padding: 12px 0;
            flex-direction: column;
            list-style: none;
            margin: 0;
        }

        .mobile-menu.open {
            display: flex;
        }

        .mobile-menu li a {
            display: block;
            padding: 14px 24px;
            color: var(--text-main);
            font-size: 15px;
            border-left: 3px solid transparent;
            transition: all var(--transition-fast);
            text-decoration: none;
        }

        .mobile-menu li a:hover,
        .mobile-menu li a.active {
            color: var(--gold);
            border-left-color: var(--gold);
            background: #fef9ee;
        }

        /* ========== 板块通用 ========== */
        .section-block {
            padding: 80px 0;
        }

        .section-block-sm {
            padding: 48px 0;
        }

        .section-title {
            font-size: 32px;
            font-weight: 700;
            color: var(--navy);
            margin-bottom: 16px;
            line-height: 1.3;
        }

        .section-subtitle {
            font-size: 16px;
            color: var(--text-sub);
            line-height: 1.8;
            max-width: 780px;
        }

        /* ========== Hero ========== */
        .hero-news {
            background: linear-gradient(135deg, #0A1F3F 0%, #132d56 50%, #0a1f3f 100%);
            padding: 72px 0 64px;
            position: relative;
            overflow: hidden;
        }

        .hero-news::before {
            content: '';
            position: absolute;
            top: -40px;
            right: -60px;
            width: 280px;
            height: 280px;
            border-radius: 50%;
            background: rgba(212, 175, 55, 0.06);
            pointer-events: none;
        }

        .hero-news::after {
            content: '';
            position: absolute;
            bottom: -50px;
            left: 20%;
            width: 200px;
            height: 200px;
            border-radius: 50%;
            background: rgba(255, 107, 53, 0.05);
            pointer-events: none;
        }

        .hero-news-inner {
            position: relative;
            z-index: 1;
            max-width: 1100px;
            margin: 0 auto;
            padding: 0 32px;
        }

        .hero-news h1 {
            font-size: 48px;
            font-weight: 700;
            color: #fff;
            margin-bottom: 20px;
            line-height: 1.2;
            letter-spacing: 0.3px;
        }

        .hero-news .hero-desc {
            font-size: 17px;
            color: #cbd5e0;
            line-height: 1.8;
            max-width: 720px;
        }

        .hero-news .hero-badge {
            display: inline-block;
            background: rgba(212, 175, 55, 0.15);
            color: var(--gold-light);
            padding: 6px 16px;
            border-radius: 20px;
            font-size: 13px;
            font-weight: 500;
            margin-bottom: 16px;
            letter-spacing: 0.5px;
        }

        /* ========== 新闻标签筛选 ========== */
        .news-tags {
            display: flex;
            flex-wrap: wrap;
            gap: 10px;
            padding: 0;
            margin: 0;
            list-style: none;
        }

        .news-tags li button {
            padding: 8px 20px;
            border-radius: 20px;
            font-size: 14px;
            font-weight: 500;
            cursor: pointer;
            background: #fff;
            color: var(--text-main);
            border: 1px solid var(--card-border);
            transition: all var(--transition-fast);
            white-space: nowrap;
        }

        .news-tags li button:hover {
            border-color: var(--gold);
            color: var(--gold);
            background: #fef9ee;
        }

        .news-tags li button.active-tag {
            background: var(--navy);
            color: #fff;
            border-color: var(--navy);
        }

        /* ========== 新闻列表卡片 ========== */
        .news-list-card {
            display: flex;
            gap: 24px;
            background: #fff;
            border-radius: var(--radius-card);
            border: 1px solid var(--card-border);
            padding: 28px;
            box-shadow: var(--card-shadow);
            transition: all var(--transition-smooth);
            align-items: flex-start;
            cursor: pointer;
        }

        .news-list-card:hover {
            box-shadow: var(--card-shadow-hover);
            transform: translateY(-3px);
            border-color: #d0d5dd;
        }

        .news-list-card .news-thumb {
            flex-shrink: 0;
            width: 200px;
            height: 130px;
            border-radius: 10px;
            overflow: hidden;
            background: #e2e8f0;
        }

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

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

        .news-list-card .news-info {
            flex: 1;
            min-width: 0;
        }

        .news-list-card .news-date {
            font-size: 13px;
            color: var(--text-sub);
            margin-bottom: 6px;
            letter-spacing: 0.3px;
        }

        .news-list-card .news-title {
            font-size: 20px;
            font-weight: 700;
            color: var(--navy);
            margin-bottom: 10px;
            line-height: 1.4;
            transition: color var(--transition-fast);
        }

        .news-list-card:hover .news-title {
            color: var(--gold);
        }

        .news-list-card .news-excerpt {
            font-size: 15px;
            color: var(--text-sub);
            line-height: 1.7;
            margin-bottom: 14px;
            display: -webkit-box;
            -webkit-line-clamp: 3;
            -webkit-box-orient: vertical;
            overflow: hidden;
        }

        .news-list-card .news-readmore {
            display: inline-flex;
            align-items: center;
            gap: 6px;
            font-size: 14px;
            font-weight: 600;
            color: var(--orange);
            transition: all var(--transition-fast);
            text-decoration: none;
        }

        .news-list-card .news-readmore:hover {
            color: var(--orange-dark);
            gap: 10px;
        }

        .news-list-card .news-readmore .arrow {
            display: inline-block;
            transition: transform var(--transition-fast);
        }

        .news-list-card .news-readmore:hover .arrow {
            transform: translateX(3px);
        }

        /* ========== 分页 ========== */
        .pagination {
            display: flex;
            align-items: center;
            justify-content: center;
            gap: 8px;
            flex-wrap: wrap;
        }

        .pagination .page-btn {
            width: 40px;
            height: 40px;
            border-radius: 8px;
            display: flex;
            align-items: center;
            justify-content: center;
            font-size: 14px;
            font-weight: 500;
            cursor: pointer;
            background: #fff;
            color: var(--text-main);
            border: 1px solid var(--card-border);
            transition: all var(--transition-fast);
            text-decoration: none;
        }

        .pagination .page-btn:hover {
            border-color: var(--gold);
            color: var(--gold);
            background: #fef9ee;
        }

        .pagination .page-btn.active-page {
            background: var(--navy);
            color: #fff;
            border-color: var(--navy);
            font-weight: 700;
        }

        .pagination .page-btn.disabled-page {
            opacity: 0.4;
            pointer-events: none;
            cursor: not-allowed;
        }

        .pagination .page-info {
            font-size: 14px;
            color: var(--text-sub);
            padding: 0 8px;
        }

        /* ========== 分类导航卡片 ========== */
        .cat-nav-card {
            display: block;
            background: #fff;
            border-radius: var(--radius-card);
            border: 1px solid var(--card-border);
            padding: 24px;
            text-align: center;
            box-shadow: var(--card-shadow);
            transition: all var(--transition-smooth);
            text-decoration: none;
            cursor: pointer;
        }

        .cat-nav-card:hover {
            box-shadow: var(--card-shadow-hover);
            transform: translateY(-4px);
            border-color: var(--gold);
        }

        .cat-nav-card .cat-icon {
            font-size: 36px;
            margin-bottom: 12px;
            display: block;
        }

        .cat-nav-card .cat-name {
            font-size: 16px;
            font-weight: 600;
            color: var(--navy);
            transition: color var(--transition-fast);
        }

        .cat-nav-card:hover .cat-name {
            color: var(--gold);
        }

        /* ========== CTA Banner ========== */
        .cta-banner {
            background: linear-gradient(135deg, #FF6B35 0%, #e55a2b 100%);
            border-radius: 16px;
            padding: 48px 40px;
            text-align: center;
            color: #fff;
            position: relative;
            overflow: hidden;
        }

        .cta-banner::before {
            content: '';
            position: absolute;
            top: -30px;
            right: -30px;
            width: 140px;
            height: 140px;
            border-radius: 50%;
            background: rgba(255, 255, 255, 0.08);
            pointer-events: none;
        }

        .cta-banner h3 {
            font-size: 28px;
            font-weight: 700;
            margin-bottom: 12px;
            position: relative;
            z-index: 1;
        }

        .cta-banner p {
            font-size: 16px;
            opacity: 0.9;
            margin-bottom: 24px;
            position: relative;
            z-index: 1;
        }

        .cta-banner .cta-btn {
            display: inline-block;
            background: #fff;
            color: var(--orange);
            padding: 14px 36px;
            border-radius: var(--radius-btn);
            font-weight: 700;
            font-size: 16px;
            transition: all var(--transition-smooth);
            text-decoration: none;
            position: relative;
            z-index: 1;
            cursor: pointer;
        }

        .cta-banner .cta-btn:hover {
            transform: scale(1.04);
            box-shadow: 0 6px 24px rgba(0, 0, 0, 0.2);
            color: var(--orange-dark);
        }

        /* ========== FAQ 手风琴 ========== */
        .faq-item {
            background: #fff;
            border-radius: var(--radius-card);
            border: 1px solid var(--card-border);
            margin-bottom: 12px;
            overflow: hidden;
            transition: all var(--transition-fast);
        }

        .faq-item .faq-question {
            width: 100%;
            padding: 20px 24px;
            font-size: 18px;
            font-weight: 700;
            color: var(--navy);
            background: none;
            text-align: left;
            cursor: pointer;
            display: flex;
            justify-content: space-between;
            align-items: center;
            gap: 12px;
            transition: all var(--transition-fast);
        }

        .faq-item .faq-question:hover {
            background: #fef9ee;
        }

        .faq-item .faq-icon {
            font-size: 22px;
            transition: transform var(--transition-smooth);
            flex-shrink: 0;
            color: var(--gold);
            font-weight: 400;
        }

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

        .faq-item .faq-answer {
            max-height: 0;
            overflow: hidden;
            transition: max-height 0.4s ease, padding 0.4s ease;
            padding: 0 24px;
        }

        .faq-item.open .faq-answer {
            max-height: 300px;
            padding: 0 24px 20px;
        }

        .faq-item .faq-answer p {
            font-size: 16px;
            color: var(--text-sub);
            line-height: 1.8;
            margin: 0;
        }

        /* ========== 订阅区 ========== */
        .subscribe-box {
            background: #fff;
            border-radius: var(--radius-card);
            border: 1px solid var(--card-border);
            padding: 36px 32px;
            text-align: center;
            box-shadow: var(--card-shadow);
        }

        .subscribe-box .subscribe-input-row {
            display: flex;
            gap: 12px;
            max-width: 480px;
            margin: 0 auto;
            flex-wrap: wrap;
            justify-content: center;
        }

        .subscribe-box input[type="email"] {
            flex: 1;
            min-width: 220px;
            padding: 13px 18px;
            border: 1px solid #CBD5E0;
            border-radius: var(--radius-btn);
            font-size: 15px;
            transition: all var(--transition-fast);
            background: #f8f9fa;
        }

        .subscribe-box input[type="email"]:focus {
            border-color: var(--gold);
            box-shadow: 0 0 0 3px rgba(212, 175, 55, 0.3);
            background: #fff;
            outline: none;
        }

        .subscribe-box .subscribe-btn {
            padding: 13px 28px;
            background: var(--orange);
            color: #fff;
            border-radius: var(--radius-btn);
            font-weight: 600;
            font-size: 15px;
            cursor: pointer;
            transition: all var(--transition-smooth);
            white-space: nowrap;
            border: none;
        }

        .subscribe-box .subscribe-btn:hover {
            background: var(--orange-dark);
            transform: scale(1.02);
        }

        /* ========== 页脚 ========== */
        .site-footer {
            background: var(--navy);
            color: #cbd5e0;
            padding: 28px 0;
            margin-top: 0;
        }

        .footer-inner {
            max-width: 1100px;
            margin: 0 auto;
            padding: 0 32px;
            display: flex;
            justify-content: space-between;
            align-items: center;
            flex-wrap: wrap;
            gap: 16px;
        }

        .footer-brand {
            color: var(--gold);
            font-weight: 600;
            font-size: 15px;
        }

        .site-footer a {
            color: var(--gold-light);
            text-decoration: none;
            transition: color var(--transition-fast);
        }

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

        /* ========== 滚动淡入 ========== */
        .fade-in-up {
            opacity: 0;
            transform: translateY(20px);
            transition: opacity 0.6s ease, transform 0.6s ease;
        }

        .fade-in-up.visible {
            opacity: 1;
            transform: translateY(0);
        }

        /* ========== 响应式 ========== */
        @media (max-width: 1024px) {
            .sidebar {
                width: 240px;
            }
            :root {
                --sidebar-width: 240px;
            }
            .news-list-card .news-thumb {
                width: 160px;
                height: 110px;
            }
            .news-list-card .news-title {
                font-size: 18px;
            }
            .hero-news h1 {
                font-size: 38px;
            }
            .section-block {
                padding: 56px 0;
            }
        }

        @media (max-width: 768px) {
            .sidebar {
                display: none;
            }
            .main-content {
                margin-left: 0;
                padding-top: 60px;
            }
            .mobile-header {
                display: flex;
            }
            .container-main {
                padding: 0 20px;
            }
            .hero-news {
                padding: 48px 0 40px;
            }
            .hero-news h1 {
                font-size: 30px;
            }
            .hero-news .hero-desc {
                font-size: 15px;
            }
            .news-list-card {
                flex-direction: column;
                gap: 16px;
                padding: 20px;
            }
            .news-list-card .news-thumb {
                width: 100%;
                height: 180px;
            }
            .news-list-card .news-title {
                font-size: 17px;
            }
            .section-block {
                padding: 40px 0;
            }
            .section-title {
                font-size: 26px;
            }
            .cta-banner {
                padding: 32px 20px;
            }
            .cta-banner h3 {
                font-size: 22px;
            }
            .pagination .page-btn {
                width: 34px;
                height: 34px;
                font-size: 13px;
            }
            .footer-inner {
                flex-direction: column;
                text-align: center;
                gap: 10px;
            }
            .news-tags {
                gap: 6px;
            }
            .news-tags li button {
                padding: 6px 14px;
                font-size: 13px;
            }
            .cat-nav-card {
                padding: 18px 14px;
            }
            .cat-nav-card .cat-name {
                font-size: 14px;
            }
            .subscribe-box .subscribe-input-row {
                flex-direction: column;
                align-items: center;
            }
            .subscribe-box input[type="email"] {
                width: 100%;
                min-width: auto;
            }
        }

        @media (max-width: 520px) {
            .hero-news h1 {
                font-size: 26px;
            }
            .hero-news .hero-desc {
                font-size: 14px;
            }
            .news-list-card .news-thumb {
                height: 150px;
            }
            .section-title {
                font-size: 22px;
            }
            .pagination {
                gap: 4px;
            }
            .pagination .page-btn {
                width: 30px;
                height: 30px;
                font-size: 12px;
                border-radius: 6px;
            }
            .cat-nav-card .cat-icon {
                font-size: 28px;
            }
        }