/* roulang page: index */
:root {
            --primary: #1E5AA8;
            --primary-light: #4A82C4;
            --primary-dark: #163D73;
            --accent: #F59E0B;
            --accent-dark: #D97706;
            --success: #10B981;
            --bg: #F6F8FC;
            --bg-alt: #EEF3F9;
            --card: #FFFFFF;
            --border: #E2E8F0;
            --text: #1E293B;
            --text-sub: #64748B;
            --text-light: #94A3B8;
        }

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

        html {
            scroll-behavior: smooth;
        }

        body {
            font-family: "PingFang SC", "HarmonyOS Sans SC", "Microsoft YaHei", "Noto Sans SC", sans-serif;
            background-color: var(--bg);
            color: var(--text);
            line-height: 1.75;
            font-size: 15px;
            -webkit-font-smoothing: antialiased;
            -moz-osx-font-smoothing: grayscale;
        }

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

        a {
            text-decoration: none;
            color: inherit;
        }

        button, input, select, textarea {
            font-family: inherit;
            font-size: 100%;
            line-height: 1.15;
        }

        .container {
            max-width: 80rem;
            margin-left: auto;
            margin-right: auto;
            padding-left: 1rem;
            padding-right: 1rem;
        }

        @media (min-width: 640px) {
            .container {
                padding-left: 1.5rem;
                padding-right: 1.5rem;
            }
        }

        @media (min-width: 1024px) {
            .container {
                padding-left: 2rem;
                padding-right: 2rem;
            }
        }

        /* ===== Header/Nav ===== */
        .site-header {
            position: sticky;
            top: 0;
            z-index: 50;
            background-color: rgba(255, 255, 255, 0.92);
            backdrop-filter: blur(8px);
            -webkit-backdrop-filter: blur(8px);
            border-bottom: 1px solid transparent;
            transition: box-shadow 0.2s ease, border-color 0.2s ease, background-color 0.2s ease;
        }

        .site-header.scrolled {
            background-color: rgba(255, 255, 255, 0.98);
            border-color: var(--border);
            box-shadow: 0 4px 20px rgba(30, 90, 168, 0.06);
        }

        .nav-wrapper {
            display: flex;
            align-items: center;
            justify-content: space-between;
            height: 68px;
        }

        .logo {
            display: flex;
            align-items: center;
            gap: 10px;
            font-weight: 700;
            font-size: 20px;
            letter-spacing: -0.01em;
            color: var(--text);
        }

        .logo-mark {
            width: 38px;
            height: 38px;
            background: var(--primary);
            border-radius: 10px;
            display: flex;
            align-items: center;
            justify-content: center;
            color: #fff;
            font-size: 16px;
            flex-shrink: 0;
        }

        .nav-links {
            display: flex;
            align-items: center;
            gap: 4px;
            margin: 0 24px;
        }

        .nav-links a {
            display: inline-block;
            padding: 8px 14px;
            border-radius: 8px;
            font-size: 15px;
            font-weight: 500;
            color: var(--text-sub);
            transition: color 0.2s ease, background-color 0.2s ease;
        }

        .nav-links a:hover {
            color: var(--primary);
            background-color: #F0F5FB;
        }

        .nav-links a.active {
            color: var(--primary);
            background-color: #E3ECF7;
            font-weight: 600;
        }

        .lang-switch {
            display: flex;
            align-items: center;
            gap: 2px;
            background: #F1F5F9;
            border-radius: 999px;
            padding: 3px;
            height: 32px;
            margin-right: 12px;
        }

        .lang-switch a {
            display: inline-flex;
            align-items: center;
            justify-content: center;
            width: 32px;
            height: 24px;
            border-radius: 999px;
            font-size: 13px;
            font-weight: 500;
            color: var(--text-sub);
            transition: all 0.2s ease;
        }

        .lang-switch a.lang-active {
            background-color: var(--primary);
            color: #fff;
        }

        .lang-switch a.lang-active:hover {
            background-color: var(--primary-dark);
        }

        .lang-switch a:not(.lang-active):hover {
            background-color: #E2E8F0;
            color: var(--text);
        }

        .nav-cta {
            display: inline-flex;
            align-items: center;
            gap: 6px;
            background-color: var(--primary);
            color: #fff;
            padding: 10px 20px;
            border-radius: 999px;
            font-weight: 500;
            font-size: 14px;
            transition: background-color 0.2s ease, transform 0.2s ease, box-shadow 0.2s ease;
            box-shadow: 0 2px 6px rgba(30, 90, 168, 0.24);
        }

        .nav-cta:hover {
            background-color: var(--primary-dark);
            transform: translateY(-1px);
            box-shadow: 0 4px 12px rgba(30, 90, 168, 0.3);
        }

        .nav-cta:focus-visible,
        .lang-switch a:focus-visible,
        .nav-links a:focus-visible,
        .logo:focus-visible {
            outline: none;
            box-shadow: 0 0 0 2px var(--bg), 0 0 0 4px rgba(30, 90, 168, 0.4);
        }

        .hamburger {
            display: none;
            width: 42px;
            height: 42px;
            border: none;
            background: transparent;
            border-radius: 10px;
            cursor: pointer;
            align-items: center;
            justify-content: center;
            color: var(--text);
            font-size: 20px;
            transition: background-color 0.2s ease;
        }

        .hamburger:hover {
            background-color: #F1F5F9;
        }

        .mobile-panel {
            display: none;
            position: fixed;
            top: 0;
            right: -100%;
            width: 300px;
            height: 100vh;
            background: #fff;
            z-index: 100;
            padding: 20px;
            box-shadow: -8px 0 30px rgba(0,0,0,0.1);
            transition: right 0.3s ease;
            flex-direction: column;
        }

        .mobile-panel.open {
            right: 0;
        }

        .mobile-panel-header {
            display: flex;
            align-items: center;
            justify-content: space-between;
            margin-bottom: 24px;
        }

        .mobile-panel-close {
            width: 36px;
            height: 36px;
            border: none;
            background: #F1F5F9;
            border-radius: 10px;
            cursor: pointer;
            font-size: 16px;
            color: var(--text);
        }

        .mobile-panel a {
            display: block;
            padding: 12px 10px;
            border-radius: 8px;
            font-size: 16px;
            font-weight: 500;
            color: var(--text);
            transition: background-color 0.2s ease;
        }

        .mobile-panel a:hover {
            background-color: #F6F8FC;
            color: var(--primary);
        }

        .mobile-panel a.mobile-active {
            color: var(--primary);
            background-color: #E3ECF7;
        }

        .mobile-panel .lang-switch {
            margin: 20px 0;
        }

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

        .mobile-overlay {
            display: none;
            position: fixed;
            inset: 0;
            background: rgba(15, 23, 42, 0.45);
            z-index: 90;
            opacity: 0;
            transition: opacity 0.3s ease;
        }

        .mobile-overlay.show {
            display: block;
            opacity: 1;
        }

        /* ===== Hero 首屏（全宽矮横幅变体） ===== */
        .hero-section {
            position: relative;
            background-color: var(--primary);
            background-image: linear-gradient(120deg, #163D73 0%, #1E5AA8 45%, #2E6BB5 100%);
            padding: 70px 0 80px;
            overflow: hidden;
        }

        .hero-section::before {
            content: "";
            position: absolute;
            top: -40px;
            right: -30px;
            width: 320px;
            height: 320px;
            border-radius: 50%;
            background: rgba(255, 255, 255, 0.07);
        }

        .hero-section::after {
            content: "";
            position: absolute;
            bottom: -80px;
            left: 10%;
            width: 260px;
            height: 260px;
            border-radius: 50%;
            background: rgba(255, 255, 255, 0.04);
        }

        .hero-inner {
            position: relative;
            z-index: 2;
            display: flex;
            align-items: center;
            gap: 40px;
            min-height: 320px;
        }

        .hero-content {
            flex: 1 1 60%;
        }

        .hero-badge {
            display: inline-flex;
            align-items: center;
            gap: 8px;
            background: rgba(255,255,255,0.15);
            color: #EFF6FF;
            padding: 6px 14px;
            border-radius: 999px;
            font-size: 13px;
            font-weight: 500;
            margin-bottom: 18px;
            backdrop-filter: blur(4px);
        }

        .hero-badge i {
            font-size: 11px;
            color: #7DD3FC;
        }

        .hero-title {
            font-size: 38px;
            line-height: 1.2;
            font-weight: 700;
            letter-spacing: -0.02em;
            color: #ffffff;
            margin-bottom: 16px;
            max-width: 680px;
        }

        .hero-title .highlight {
            color: #FCD34D;
        }

        .hero-desc {
            font-size: 16px;
            line-height: 1.75;
            color: rgba(255,255,255,0.86);
            max-width: 600px;
            margin-bottom: 28px;
        }

        .hero-actions {
            display: flex;
            align-items: center;
            flex-wrap: wrap;
            gap: 12px;
            margin-bottom: 22px;
        }

        .btn-primary-hero {
            display: inline-flex;
            align-items: center;
            gap: 8px;
            background-color: var(--accent);
            color: #1E293B;
            padding: 12px 26px;
            border-radius: 10px;
            font-weight: 600;
            font-size: 15px;
            transition: all 0.2s ease;
            box-shadow: 0 4px 14px rgba(245, 158, 11, 0.35);
        }

        .btn-primary-hero:hover {
            background-color: var(--accent-dark);
            color: #fff;
            transform: translateY(-2px);
            box-shadow: 0 6px 20px rgba(245, 158, 11, 0.4);
        }

        .btn-outline-hero {
            display: inline-flex;
            align-items: center;
            gap: 8px;
            background: transparent;
            color: #EFF6FF;
            border: 1.5px solid rgba(255,255,255,0.5);
            padding: 12px 24px;
            border-radius: 10px;
            font-weight: 500;
            font-size: 15px;
            transition: all 0.2s ease;
        }

        .btn-outline-hero:hover {
            border-color: #ffffff;
            background: rgba(255,255,255,0.12);
            transform: translateY(-2px);
        }

        .hero-stats {
            display: flex;
            flex-wrap: wrap;
            align-items: center;
            gap: 8px;
            font-size: 13px;
            color: rgba(255,255,255,0.72);
        }

        .hero-stats .stat-dot {
            width: 6px;
            height: 6px;
            border-radius: 50%;
            background-color: #34D399;
            display: inline-block;
            margin-right: 4px;
        }

        .hero-stats strong {
            color: #ffffff;
            font-weight: 600;
            font-variant-numeric: tabular-nums;
        }

        .hero-visual {
            flex: 0 0 36%;
            max-width: 420px;
            position: relative;
        }

        .hero-visual img {
            border-radius: 16px;
            box-shadow: 0 20px 40px rgba(0,0,0,0.3);
            width: 100%;
            height: 220px;
            object-fit: cover;
        }

        .hero-float-card {
            position: absolute;
            bottom: -18px;
            left: -18px;
            background: #ffffff;
            border-radius: 12px;
            padding: 14px 18px;
            box-shadow: 0 10px 28px rgba(0,0,0,0.2);
            display: flex;
            align-items: center;
            gap: 12px;
            z-index: 3;
        }

        .hero-float-card .icon-circle {
            width: 38px;
            height: 38px;
            background: #E3ECF7;
            color: var(--primary);
            border-radius: 10px;
            display: flex;
            align-items: center;
            justify-content: center;
            font-size: 16px;
        }

        .hero-float-card .float-label {
            font-size: 12px;
            color: var(--text-light);
        }

        .hero-float-card .float-value {
            font-size: 18px;
            font-weight: 700;
            color: var(--text);
            font-variant-numeric: tabular-nums;
        }

        /* ===== 指标看板 ===== */
        .stats-board {
            background-color: var(--bg);
            padding: 48px 0;
            border-bottom: 1px solid var(--border);
        }

        .stats-grid {
            display: grid;
            grid-template-columns: 1fr 1fr;
            gap: 32px 24px;
        }

        @media (min-width: 768px) {
            .stats-grid {
                grid-template-columns: repeat(4, 1fr);
                gap: 24px;
            }
        }

        .stat-item {
            text-align: center;
            padding: 8px 4px;
            position: relative;
        }

        .stat-item:not(:last-child)::after {
            content: "";
            position: absolute;
            right: -12px;
            top: 20%;
            height: 60%;
            width: 1px;
            background: var(--border);
            display: none;
        }

        @media (min-width: 768px) {
            .stat-item:not(:last-child)::after {
                display: block;
            }
        }

        .stat-number {
            font-size: 44px;
            font-weight: 700;
            color: var(--primary);
            line-height: 1.2;
            font-variant-numeric: tabular-nums;
            margin-bottom: 4px;
        }

        .stat-label {
            font-size: 14px;
            color: var(--text-sub);
            margin-bottom: 4px;
        }

        .stat-trend {
            font-size: 12px;
            color: var(--success);
            display: inline-flex;
            align-items: center;
            gap: 4px;
        }

        .stat-trend i {
            font-size: 10px;
        }

        /* ===== 服务矩阵 / 资源分类矩阵 ===== */
        .section-matrix {
            padding: 72px 0 80px;
            background-color: var(--bg);
        }

        .matrix-header {
            display: flex;
            align-items: flex-end;
            justify-content: space-between;
            flex-wrap: wrap;
            gap: 16px;
            margin-bottom: 36px;
        }

        .matrix-title-wrap {
            max-width: 560px;
        }

        .section-eyebrow {
            display: inline-flex;
            align-items: center;
            gap: 6px;
            font-size: 13px;
            font-weight: 600;
            color: var(--primary);
            background: #E3ECF7;
            padding: 4px 12px;
            border-radius: 999px;
            margin-bottom: 10px;
        }

        .section-title {
            font-size: 30px;
            line-height: 1.3;
            font-weight: 700;
            letter-spacing: -0.01em;
            color: var(--text);
            margin-bottom: 8px;
        }

        .section-sub {
            font-size: 15px;
            color: var(--text-sub);
            line-height: 1.7;
        }

        .matrix-link {
            display: inline-flex;
            align-items: center;
            gap: 6px;
            font-size: 14px;
            font-weight: 500;
            color: var(--primary);
            padding: 8px 14px;
            border-radius: 8px;
            transition: all 0.2s ease;
        }

        .matrix-link:hover {
            background-color: #E3ECF7;
            color: var(--primary-dark);
        }

        .matrix-link i {
            transition: transform 0.2s ease;
        }

        .matrix-link:hover i {
            transform: translateX(4px);
        }

        .matrix-grid {
            display: grid;
            grid-template-columns: 1fr;
            gap: 18px;
        }

        @media (min-width: 640px) {
            .matrix-grid {
                grid-template-columns: repeat(2, 1fr);
            }
        }

        @media (min-width: 1024px) {
            .matrix-grid {
                grid-template-columns: repeat(4, 1fr);
            }
        }

        .matrix-card {
            background: var(--card);
            border: 1px solid var(--border);
            border-radius: 12px;
            padding: 24px 20px;
            transition: all 0.2s ease;
            position: relative;
            display: flex;
            flex-direction: column;
        }

        .matrix-card.featured {
            grid-column: span 2;
        }

        .matrix-card:hover {
            transform: translateY(-4px);
            box-shadow: 0 12px 28px rgba(30, 90, 168, 0.1);
            border-color: #C7D9EC;
        }

        .matrix-card-top {
            display: flex;
            align-items: flex-start;
            justify-content: space-between;
            margin-bottom: 14px;
        }

        .matrix-icon {
            width: 50px;
            height: 50px;
            background: #E3ECF7;
            color: var(--primary);
            border-radius: 12px;
            display: flex;
            align-items: center;
            justify-content: center;
            font-size: 20px;
            transition: all 0.2s ease;
        }

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

        .matrix-num {
            font-size: 26px;
            font-weight: 700;
            color: #E2E8F0;
            font-variant-numeric: tabular-nums;
            letter-spacing: -0.02em;
        }

        .matrix-featured-cover {
            overflow: hidden;
            border-radius: 10px;
            margin-bottom: 14px;
        }

        .matrix-featured-cover img {
            width: 100%;
            height: 140px;
            object-fit: cover;
            transition: transform 0.4s ease;
        }

        .matrix-featured-cover img:hover {
            transform: scale(1.03);
        }

        .matrix-card-title {
            font-size: 18px;
            font-weight: 600;
            color: var(--text);
            margin-bottom: 6px;
        }

        .matrix-card-desc {
            font-size: 14px;
            color: var(--text-sub);
            margin-bottom: 14px;
            flex-grow: 1;
        }

        .matrix-tags {
            display: flex;
            flex-wrap: wrap;
            gap: 6px;
            margin-top: 4px;
            margin-bottom: 14px;
        }

        .tag-chip {
            display: inline-flex;
            align-items: center;
            gap: 4px;
            background: #F1F5F9;
            color: #475569;
            font-size: 13px;
            padding: 3px 10px;
            border-radius: 999px;
            font-weight: 500;
        }

        .tag-chip i {
            font-size: 10px;
            color: var(--text-light);
        }

        .status-line {
            display: flex;
            align-items: center;
            gap: 8px;
            font-size: 13px;
            color: var(--text-sub);
            margin-bottom: 14px;
        }

        .status-point {
            width: 8px;
            height: 8px;
            border-radius: 50%;
        }

        .status-point.green {
            background-color: var(--success);
        }

        .status-point.orange {
            background-color: var(--accent);
        }

        .status-point.blue {
            background-color: var(--primary-light);
        }


        .matrix-link-bottom {
            display: inline-flex;
            align-items: center;
            gap: 4px;
            font-size: 14px;
            font-weight: 500;
            color: var(--primary);
            transition: all 0.2s ease;
        }

        .matrix-link-bottom i {
            transition: transform 0.2s ease;
        }

        .matrix-card:hover .matrix-link-bottom i {
            transform: translateX(4px);
        }

        .matrix-card:hover .matrix-link-bottom {
            color: var(--primary-dark);
        }

        /* ===== 结果对比 ===== */
        .section-compare {
            background-color: var(--bg-alt);
            padding: 72px 0 80px;
        }

        .compare-grid {
            display: grid;
            grid-template-columns: 1fr;
            gap: 24px;
            margin-top: 36px;
        }

        @media (min-width: 768px) {
            .compare-grid {
                grid-template-columns: 1fr 1fr;
                gap: 32px;
            }
        }

        .compare-card {
            background: #fff;
            border-radius: 16px;
            padding: 32px 28px;
            border: 1px solid var(--border);
            box-shadow: 0 4px 16px rgba(30, 90, 168, 0.04);
        }

        .compare-card.bad {
            background: #F8FAFC;
            border-color: #E2E8F0;
        }

        .compare-card.good {
            background: #ffffff;
            border: 1.5px solid var(--primary);
            box-shadow: 0 6px 20px rgba(30, 90, 168, 0.14);
            position: relative;
        }

        .good-badge {
            position: absolute;
            top: -14px;
            right: 20px;
            background: var(--primary);
            color: #fff;
            font-size: 12px;
            font-weight: 600;
            padding: 4px 14px;
            border-radius: 999px;
        }

        .compare-card-title {
            display: flex;
            align-items: center;
            gap: 10px;
            font-size: 20px;
            font-weight: 700;
            color: var(--text);
            margin-bottom: 8px;
        }

        .compare-card-title .icon-x {
            width: 32px;
            height: 32px;
            background: #FEE2E2;
            color: #B91C1C;
            border-radius: 8px;
            display: flex;
            align-items: center;
            justify-content: center;
            font-size: 14px;
        }

        .compare-card-title .icon-check {
            width: 32px;
            height: 32px;
            background: #D1FAE5;
            color: #059669;
            border-radius: 8px;
            display: flex;
            align-items: center;
            justify-content: center;
            font-size: 14px;
        }

        .compare-sub {
            font-size: 14px;
            color: var(--text-sub);
            margin-bottom: 20px;
        }

        .compare-list {
            list-style: none;
            margin: 0;
        }

        .compare-list li {
            display: flex;
            align-items: flex-start;
            gap: 10px;
            padding: 10px 0;
            border-bottom: 1px solid #EDF1F7;
            font-size: 15px;
            color: var(--text);
            line-height: 1.6;
        }

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

        .compare-list li i {
            margin-top: 3px;
            width: 18px;
            height: 18px;
            border-radius: 50%;
            display: flex;
            align-items: center;
            justify-content: center;
            font-size: 10px;
            flex-shrink: 0;
        }

        .compare-list.bad-list li i {
            background: #FEE2E2;
            color: #B91C1C;
        }

        .compare-list.good-list li i {
            background: #D1FAE5;
            color: #059669;
        }

        .compare-result {
            margin-top: 20px;
            background: #F1F5F9;
            border-radius: 10px;
            padding: 12px 16px;
            display: flex;
            align-items: center;
            justify-content: space-between;
            font-size: 14px;
        }

        .compare-result .value {
            font-size: 22px;
            font-weight: 700;
            color: var(--primary);
        }

        .compare-card.good .compare-result .value {
            color: var(--accent);
        }

        /* ===== FAQ 手风琴 ===== */
        .section-faq {
            background-color: var(--bg);
            padding: 72px 0 80px;
        }

        .faq-wrap {
            max-width: 760px;
            margin: 40px auto 0;
        }

        .faq-item {
            background: #fff;
            border: 1px solid var(--border);
            border-radius: 12px;
            margin-bottom: 12px;
            box-shadow: 0 2px 8px rgba(30, 90, 168, 0.04);
            transition: border-color 0.2s ease, box-shadow 0.2s ease;
            overflow: hidden;
        }

        .faq-item.open {
            border-color: var(--primary);
            box-shadow: 0 4px 16px rgba(30, 90, 168, 0.1);
            background-color: #F9FCFF;
        }

        .faq-question {
            width: 100%;
            display: flex;
            align-items: center;
            justify-content: space-between;
            padding: 18px 20px;
            background: transparent;
            border: none;
            cursor: pointer;
            text-align: left;
            font-size: 16px;
            font-weight: 600;
            color: var(--text);
            gap: 16px;
        }

        .faq-question .faq-icon {
            width: 28px;
            height: 28px;
            border-radius: 50%;
            background: #F1F5F9;
            display: flex;
            align-items: center;
            justify-content: center;
            font-size: 14px;
            color: var(--text-sub);
            flex-shrink: 0;
            transition: all 0.25s ease;
        }

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

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

        .faq-answer-inner {
            padding: 0 20px 18px;
            font-size: 15px;
            line-height: 1.75;
            color: var(--text-sub);
        }

        /* ===== 转化表单 ===== */
        .section-cta-form {
            background-color: var(--bg-alt);
            padding: 72px 0 80px;
        }

        .cta-card {
            max-width: 720px;
            margin: 0 auto;
            background: #fff;
            border-radius: 16px;
            box-shadow: 0 8px 30px rgba(30, 90, 168, 0.1);
            padding: 40px 32px;
            border: 1px solid var(--border);
        }

        .cta-card .section-title {
            text-align: center;
        }

        .cta-card .section-sub {
            text-align: center;
            margin-bottom: 28px;
        }

        .cta-form {
            max-width: 520px;
            margin: 0 auto;
        }

        .form-group {
            margin-bottom: 16px;
        }

        .form-label {
            display: block;
            font-size: 14px;
            font-weight: 600;
            color: var(--text);
            margin-bottom: 6px;
        }

        .form-input {
            width: 100%;
            height: 46px;
            border: 1.5px solid var(--border);
            border-radius: 10px;
            padding: 0 16px;
            font-size: 15px;
            color: var(--text);
            transition: border-color 0.2s ease, box-shadow 0.2s ease;
            background: #fff;
        }

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

        .form-input:focus {
            outline: none;
            border-color: var(--primary);
            box-shadow: 0 0 0 3px rgba(30, 90, 168, 0.15);
        }

        .chip-group {
            display: flex;
            flex-wrap: wrap;
            gap: 8px;
            margin-top: 6px;
        }

        .chip-check {
            display: inline-flex;
            align-items: center;
            gap: 6px;
            background: #F1F5F9;
            border: 1px solid transparent;
            padding: 6px 14px;
            border-radius: 999px;
            font-size: 14px;
            color: var(--text-sub);
            cursor: pointer;
            transition: all 0.2s ease;
            user-select: none;
        }

        .chip-check:hover {
            background: #E3ECF7;
            color: var(--primary);
        }

        .chip-check input {
            display: none;
        }

        .chip-check input:checked + span {
            color: var(--primary);
        }

        .chip-check:has(input:checked) {
            background: var(--primary);
            color: #fff;
        }

        .btn-submit {
            width: 100%;
            height: 48px;
            background-color: var(--accent);
            color: #1E293B;
            border: none;
            border-radius: 10px;
            font-size: 16px;
            font-weight: 600;
            cursor: pointer;
            transition: all 0.2s ease;
            box-shadow: 0 4px 14px rgba(245, 158, 11, 0.3);
            margin-top: 8px;
        }

        .btn-submit:hover {
            background-color: var(--accent-dark);
            color: #fff;
            transform: translateY(-2px);
            box-shadow: 0 6px 20px rgba(245, 158, 11, 0.35);
        }

        .btn-submit:focus-visible {
            outline: none;
            box-shadow: 0 0 0 3px rgba(245, 158, 11, 0.4);
        }

        .form-privacy {
            font-size: 13px;
            color: var(--text-light);
            text-align: center;
            margin-top: 12px;
        }

        /* ===== 页脚 ===== */
        .site-footer {
            background-color: #0F2552;
            color: rgba(255,255,255,0.7);
            padding: 56px 0 28px;
        }

        .footer-top {
            display: grid;
            grid-template-columns: 1fr;
            gap: 32px;
            margin-bottom: 40px;
        }

        @media (min-width: 640px) {
            .footer-top {
                grid-template-columns: 1fr 1fr;
            }
        }

        @media (min-width: 1024px) {
            .footer-top {
                grid-template-columns: 2fr 1fr 1fr 1.2fr;
                gap: 40px;
            }
        }

        .footer-brand .logo {
            color: #fff;
            margin-bottom: 12px;
        }

        .footer-brand .logo-mark {
            background: rgba(255,255,255,0.2);
        }

        .footer-desc {
            font-size: 14px;
            line-height: 1.7;
            color: rgba(255,255,255,0.6);
            max-width: 280px;
        }

        .footer-title {
            font-size: 15px;
            font-weight: 600;
            color: #ffffff;
            margin-bottom: 12px;
        }

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

        .footer-links a {
            font-size: 14px;
            color: rgba(255,255,255,0.65);
            transition: color 0.2s ease;
            display: inline-flex;
            align-items: center;
            gap: 6px;
        }

        .footer-links a:hover {
            color: #9EC5FE;
        }

        .footer-links a i {
            font-size: 10px;
        }

        .footer-bottom {
            border-top: 1px solid rgba(255,255,255,0.12);
            padding-top: 22px;
            display: flex;
            flex-direction: column;
            align-items: center;
            gap: 8px;
            font-size: 13px;
            color: rgba(255,255,255,0.45);
        }

        @media (min-width: 768px) {
            .footer-bottom {
                flex-direction: row;
                justify-content: space-between;
            }
        }

        .footer-bottom-links {
            display: flex;
            gap: 16px;
            color: rgba(255,255,255,0.45);
        }

        .footer-bottom-links a:hover {
            color: #9EC5FE;
        }

        /* ===== 响应式 ===== */
        @media (max-width: 1024px) {
            .nav-links {
                display: none;
            }
            .hamburger {
                display: flex;
            }
            .hero-inner {
                flex-direction: column;
            }
            .hero-visual {
                flex: 0 0 auto;
                max-width: 100%;
                width: 100%;
            }
            .hero-visual img {
                height: 180px;
            }
            .hero-section {
                padding: 60px 0;
            }
        }

        @media (max-width: 640px) {
            .hero-title {
                font-size: 28px;
            }
            .section-title {
                font-size: 24px;
            }
            .stat-number {
                font-size: 34px;
            }
            .matrix-card.featured {
                grid-column: span 1;
            }
            .compare-card {
                padding: 24px 20px;
            }
            .cta-card {
                padding: 28px 18px;
            }
            .footer-top {
                grid-template-columns: 1fr;
            }
            .hero-float-card {
                left: 8px;
                bottom: -14px;
                padding: 10px 14px;
            }
            .hero-actions .btn-primary-hero,
            .hero-actions .btn-outline-hero {
                width: 100%;
                justify-content: center;
            }
        }

        @media (max-width: 420px) {
            .stats-grid {
                gap: 20px 12px;
            }
            .stat-number {
                font-size: 28px;
            }
            .hero-visual img {
                height: 150px;
            }
        }

/* roulang page: category1 */
:root {
            --primary: #1E5AA8;
            --primary-light: #4A82C4;
            --primary-dark: #163D73;
            --accent: #F59E0B;
            --accent-dark: #D97706;
            --success: #10B981;
            --bg: #F6F8FC;
            --bg-alt: #EEF3F9;
            --card: #FFFFFF;
            --border: #E2E8F0;
            --text: #1E293B;
            --text-sub: #64748B;
            --text-light: #94A3B8;
        }
        html {
            scroll-behavior: smooth;
        }
        body {
            font-family: "PingFang SC", "HarmonyOS Sans SC", "Microsoft YaHei", "Noto Sans SC", sans-serif;
            background-color: var(--bg);
            color: var(--text);
            line-height: 1.75;
            font-size: 15px;
            -webkit-font-smoothing: antialiased;
            -moz-osx-font-smoothing: grayscale;
        }
        img {
            max-width: 100%;
            height: auto;
            display: block;
        }
        a {
            text-decoration: none;
            color: inherit;
        }
        button,
        input,
        select,
        textarea {
            font-family: inherit;
            font-size: 100%;
            line-height: 1.15;
        }
        .container {
            max-width: 80rem;
            margin-left: auto;
            margin-right: auto;
            padding-left: 1rem;
            padding-right: 1rem;
        }
        @media (min-width: 640px) {
            .container {
                padding-left: 1.5rem;
                padding-right: 1.5rem;
            }
        }
        @media (min-width: 1024px) {
            .container {
                padding-left: 2rem;
                padding-right: 2rem;
            }
        }
        /* ===== Header/Nav ===== */
        .site-header {
            position: sticky;
            top: 0;
            z-index: 50;
            background-color: rgba(255, 255, 255, 0.92);
            backdrop-filter: blur(8px);
            -webkit-backdrop-filter: blur(8px);
            border-bottom: 1px solid transparent;
            transition: box-shadow 0.2s ease, border-color 0.2s ease, background-color 0.2s ease;
        }
        .site-header.scrolled {
            background-color: rgba(255, 255, 255, 0.98);
            border-color: var(--border);
            box-shadow: 0 4px 20px rgba(30, 90, 168, 0.06);
        }
        .nav-wrapper {
            display: flex;
            align-items: center;
            justify-content: space-between;
            height: 68px;
        }
        .logo {
            display: flex;
            align-items: center;
            gap: 10px;
            font-weight: 700;
            font-size: 20px;
            letter-spacing: -0.01em;
            color: var(--text);
        }
        .logo-mark {
            width: 38px;
            height: 38px;
            background: var(--primary);
            border-radius: 10px;
            display: flex;
            align-items: center;
            justify-content: center;
            color: #fff;
            font-size: 16px;
            flex-shrink: 0;
        }
        .nav-links {
            display: flex;
            align-items: center;
            gap: 4px;
            margin: 0 24px;
        }
        .nav-links a {
            display: inline-block;
            padding: 8px 14px;
            border-radius: 8px;
            font-size: 15px;
            font-weight: 500;
            color: var(--text-sub);
            transition: color 0.2s ease, background-color 0.2s ease;
        }
        .nav-links a:hover {
            color: var(--primary);
            background-color: #F0F5FB;
        }
        .nav-links a.active {
            color: var(--primary);
            background-color: #E3ECF7;
            font-weight: 600;
        }
        .lang-switch {
            display: flex;
            align-items: center;
            background-color: #F1F5F9;
            border-radius: 999px;
            padding: 2px;
            margin: 0 8px;
        }
        .lang-switch a {
            display: inline-flex;
            align-items: center;
            justify-content: center;
            width: 32px;
            height: 24px;
            border-radius: 999px;
            font-size: 13px;
            font-weight: 500;
            color: var(--text-sub);
            transition: all 0.2s ease;
        }
        .lang-switch a.lang-active {
            background-color: var(--primary);
            color: #fff;
        }
        .lang-switch a.lang-active:hover {
            background-color: var(--primary-dark);
        }
        .lang-switch a:not(.lang-active):hover {
            background-color: #E2E8F0;
            color: var(--text);
        }
        .nav-cta {
            display: inline-flex;
            align-items: center;
            gap: 6px;
            background-color: var(--primary);
            color: #fff;
            padding: 10px 20px;
            border-radius: 999px;
            font-weight: 500;
            font-size: 14px;
            transition: background-color 0.2s ease, transform 0.2s ease, box-shadow 0.2s ease;
            box-shadow: 0 2px 6px rgba(30, 90, 168, 0.24);
        }
        .nav-cta:hover {
            background-color: var(--primary-dark);
            transform: translateY(-1px);
            box-shadow: 0 4px 12px rgba(30, 90, 168, 0.3);
        }
        .nav-cta:focus-visible,
        .lang-switch a:focus-visible,
        .nav-links a:focus-visible,
        .logo:focus-visible {
            outline: none;
            box-shadow: 0 0 0 2px var(--bg), 0 0 0 4px rgba(30, 90, 168, 0.4);
        }
        .hamburger {
            display: none;
            width: 42px;
            height: 42px;
            border: none;
            background: transparent;
            border-radius: 10px;
            cursor: pointer;
            align-items: center;
            justify-content: center;
            color: var(--text);
            font-size: 20px;
            transition: background-color 0.2s ease;
        }
        .hamburger:hover {
            background-color: #F1F5F9;
        }
        .mobile-panel {
            display: none;
            position: fixed;
            top: 0;
            right: -100%;
            width: 300px;
            height: 100vh;
            background: #fff;
            z-index: 100;
            padding: 20px;
            box-shadow: -8px 0 30px rgba(0, 0, 0, 0.1);
            transition: right 0.3s ease;
            flex-direction: column;
        }
        .mobile-panel.open {
            right: 0;
        }
        .mobile-panel-header {
            display: flex;
            align-items: center;
            justify-content: space-between;
            margin-bottom: 24px;
        }
        .mobile-panel-close {
            width: 36px;
            height: 36px;
            border: none;
            background: #F1F5F9;
            border-radius: 10px;
            cursor: pointer;
            font-size: 16px;
            color: var(--text);
        }
        .mobile-panel a {
            display: block;
            padding: 12px 10px;
            border-radius: 8px;
            font-size: 15px;
            font-weight: 500;
            color: var(--text);
            transition: background-color 0.2s ease;
        }
        .mobile-panel a:hover {
            background-color: #F0F5FB;
        }
        .mobile-panel a.active {
            color: var(--primary);
            background-color: #E3ECF7;
        }
        .mobile-panel .lang-switch {
            margin: 16px 0;
            width: fit-content;
        }
        .mobile-panel .nav-cta {
            display: inline-flex;
            width: fit-content;
            margin-top: 8px;
        }
        .overlay {
            display: none;
            position: fixed;
            top: 0;
            left: 0;
            width: 100%;
            height: 100%;
            background: rgba(0, 0, 0, 0.35);
            z-index: 90;
            opacity: 0;
            transition: opacity 0.3s ease;
        }
        .overlay.show {
            display: block;
            opacity: 1;
        }
        /* ===== 分类页头 ===== */
        .page-hero {
            background-color: var(--bg-alt);
            border-bottom: 1px solid var(--border);
            padding: 56px 0 48px;
            position: relative;
            overflow: hidden;
        }
        .page-hero::before {
            content: '';
            position: absolute;
            top: -60px;
            right: -40px;
            width: 320px;
            height: 320px;
            background: rgba(30, 90, 168, 0.06);
            border-radius: 50%;
            pointer-events: none;
        }
        .breadcrumb {
            display: flex;
            align-items: center;
            gap: 8px;
            font-size: 13px;
            color: var(--text-sub);
            margin-bottom: 16px;
            flex-wrap: wrap;
        }
        .breadcrumb a {
            color: var(--text-sub);
            transition: color 0.2s ease;
        }
        .breadcrumb a:hover {
            color: var(--primary);
        }
        .breadcrumb i {
            font-size: 10px;
            color: var(--text-light);
        }
        .page-hero-title {
            font-size: 36px;
            font-weight: 700;
            line-height: 1.25;
            letter-spacing: -0.02em;
            color: var(--text);
            margin-bottom: 12px;
        }
        .page-hero-title span {
            color: var(--primary);
        }
        .page-hero-desc {
            font-size: 16px;
            line-height: 1.75;
            color: var(--text-sub);
            max-width: 560px;
            margin-bottom: 0;
        }
        .page-hero .hero-stats {
            display: flex;
            gap: 24px;
            margin-top: 24px;
            flex-wrap: wrap;
        }
        .hero-stats .stat-item {
            background: rgba(255, 255, 255, 0.8);
            border: 1px solid var(--border);
            border-radius: 12px;
            padding: 12px 20px;
            display: flex;
            align-items: center;
            gap: 10px;
        }
        .hero-stats .stat-num {
            font-size: 24px;
            font-weight: 700;
            color: var(--primary);
            font-variant-numeric: tabular-nums;
            line-height: 1;
        }
        .hero-stats .stat-label {
            font-size: 13px;
            color: var(--text-sub);
        }
        .page-hero-image {
            border-radius: 16px;
            box-shadow: 0 16px 40px rgba(30, 90, 168, 0.12);
            overflow: hidden;
            background: var(--card);
        }
        .page-hero-image img {
            width: 100%;
            height: 280px;
            object-fit: cover;
        }
        /* ===== 筛选工具栏 ===== */
        .filter-bar-wrap {
            padding: 0;
            margin-top: -28px;
            position: relative;
            z-index: 10;
        }
        .filter-bar {
            background: var(--card);
            border-radius: 12px;
            box-shadow: 0 8px 24px rgba(30, 90, 168, 0.08);
            border: 1px solid var(--border);
            padding: 16px 20px;
            display: flex;
            align-items: center;
            justify-content: space-between;
            flex-wrap: wrap;
            gap: 12px;
        }
        .filter-count {
            font-size: 14px;
            font-weight: 500;
            color: var(--text);
            white-space: nowrap;
        }
        .filter-count strong {
            color: var(--primary);
            font-size: 18px;
            font-variant-numeric: tabular-nums;
        }
        .filter-controls {
            display: flex;
            align-items: center;
            gap: 12px;
            flex-wrap: wrap;
        }
        .sort-select-wrap {
            position: relative;
            display: inline-flex;
            align-items: center;
        }
        .sort-select-wrap i {
            position: absolute;
            right: 12px;
            font-size: 12px;
            color: var(--text-sub);
            pointer-events: none;
        }
        .sort-select {
            appearance: none;
            -webkit-appearance: none;
            border: 1px solid var(--border);
            border-radius: 8px;
            padding: 8px 32px 8px 14px;
            font-size: 14px;
            color: var(--text);
            background: #F9FBFF;
            cursor: pointer;
            transition: border-color 0.2s ease, box-shadow 0.2s ease;
            line-height: 1.4;
        }
        .sort-select:hover {
            border-color: var(--primary-light);
        }
        .sort-select:focus {
            outline: none;
            border-color: var(--primary);
            box-shadow: 0 0 0 3px rgba(30, 90, 168, 0.12);
        }
        .filter-chips {
            display: flex;
            align-items: center;
            gap: 6px;
            flex-wrap: wrap;
        }
        .chip {
            display: inline-flex;
            align-items: center;
            padding: 6px 14px;
            border-radius: 999px;
            font-size: 13px;
            font-weight: 500;
            color: #475569;
            background: #F1F5F9;
            border: 1px solid transparent;
            cursor: pointer;
            transition: all 0.2s ease;
            line-height: 1.4;
            white-space: nowrap;
        }
        .chip:hover {
            background: #E2E8F0;
            color: var(--text);
        }
        .chip.active {
            background: var(--primary);
            color: #fff;
            font-weight: 600;
        }
        /* ===== 资源列表 ===== */
        .resource-section {
            padding: 48px 0 40px;
        }
        .resource-list {
            display: flex;
            flex-direction: column;
            gap: 16px;
        }
        .resource-row {
            display: flex;
            align-items: center;
            background: var(--card);
            border: 1px solid var(--border);
            border-radius: 12px;
            padding: 16px 20px;
            transition: box-shadow 0.2s ease, border-color 0.2s ease, background-color 0.2s ease;
            gap: 20px;
        }
        .resource-row:hover {
            background: #F6F9FE;
            border-color: #BFD4F0;
            box-shadow: 0 6px 20px rgba(30, 90, 168, 0.07);
        }
        .resource-thumb {
            width: 160px;
            height: 120px;
            border-radius: 10px;
            overflow: hidden;
            flex-shrink: 0;
            position: relative;
            background: var(--bg-alt);
        }
        .resource-thumb img {
            width: 100%;
            height: 100%;
            object-fit: cover;
            transition: transform 0.3s ease;
        }
        .resource-row:hover .resource-thumb img {
            transform: scale(1.03);
        }
        .resource-thumb .type-badge {
            position: absolute;
            top: 8px;
            left: 8px;
            background: rgba(255, 255, 255, 0.92);
            backdrop-filter: blur(4px);
            padding: 2px 10px;
            border-radius: 999px;
            font-size: 12px;
            font-weight: 600;
            color: var(--primary);
            box-shadow: 0 2px 6px rgba(0, 0, 0, 0.06);
        }
        .resource-info {
            flex: 1;
            min-width: 0;
        }
        .resource-info h3 {
            font-size: 18px;
            font-weight: 600;
            line-height: 1.4;
            margin-bottom: 4px;
            color: var(--text);
            transition: color 0.2s ease;
        }
        .resource-row:hover .resource-info h3 {
            color: var(--primary);
        }
        .resource-info p {
            font-size: 14px;
            line-height: 1.65;
            color: var(--text-sub);
            margin-bottom: 8px;
            display: -webkit-box;
            -webkit-line-clamp: 2;
            -webkit-box-orient: vertical;
            overflow: hidden;
        }
        .resource-tags {
            display: flex;
            gap: 6px;
            flex-wrap: wrap;
        }
        .resource-tags .tag {
            display: inline-block;
            padding: 3px 10px;
            border-radius: 999px;
            font-size: 12px;
            font-weight: 500;
            color: #475569;
            background: #F1F5F9;
            transition: background-color 0.2s ease;
        }
        .resource-meta {
            display: flex;
            align-items: center;
            gap: 6px;
            margin-top: 8px;
            font-size: 12px;
            color: var(--text-light);
        }
        .update-dot {
            width: 6px;
            height: 6px;
            border-radius: 50%;
            background: var(--success);
            display: inline-block;
            flex-shrink: 0;
        }
        .update-dot.hot {
            background: var(--accent);
        }
        .update-dot.new {
            background: var(--primary-light);
        }
        .resource-action {
            flex-shrink: 0;
            display: flex;
            align-items: center;
        }
        .btn {
            display: inline-flex;
            align-items: center;
            justify-content: center;
            gap: 6px;
            border-radius: 8px;
            padding: 10px 20px;
            font-size: 14px;
            font-weight: 500;
            transition: all 0.2s ease;
            cursor: pointer;
            border: 1px solid transparent;
            line-height: 1.4;
        }
        .btn-outline {
            border: 1px solid var(--primary);
            color: var(--primary);
            background: transparent;
        }
        .btn-outline:hover {
            background: var(--primary);
            color: #fff;
            box-shadow: 0 4px 12px rgba(30, 90, 168, 0.2);
        }
        .resource-row:hover .btn-outline {
            background: var(--primary);
            color: #fff;
            border-color: var(--primary);
        }
        .btn-accent {
            background: var(--accent);
            color: #fff;
            border-color: var(--accent);
            box-shadow: 0 4px 12px rgba(245, 158, 11, 0.25);
        }
        .btn-accent:hover {
            background: var(--accent-dark);
            border-color: var(--accent-dark);
            transform: translateY(-1px);
            box-shadow: 0 6px 16px rgba(245, 158, 11, 0.3);
        }
        .btn-primary {
            background: var(--primary);
            color: #fff;
            border-color: var(--primary);
        }
        .btn-primary:hover {
            background: var(--primary-dark);
            border-color: var(--primary-dark);
            transform: translateY(-1px);
            box-shadow: 0 4px 12px rgba(30, 90, 168, 0.25);
        }
        .btn:focus-visible,
        .chip:focus-visible,
        .sort-select:focus-visible,
        .page-link:focus-visible {
            outline: none;
            box-shadow: 0 0 0 2px var(--bg), 0 0 0 4px rgba(30, 90, 168, 0.4);
        }
        /* ===== 分页 ===== */
        .pagination-wrap {
            display: flex;
            justify-content: center;
            padding: 32px 0 8px;
        }
        .pagination {
            display: flex;
            align-items: center;
            gap: 6px;
            list-style: none;
            padding: 0;
            margin: 0;
        }
        .page-link {
            display: inline-flex;
            align-items: center;
            justify-content: center;
            min-width: 40px;
            height: 40px;
            padding: 0 12px;
            border-radius: 999px;
            font-size: 14px;
            font-weight: 500;
            color: var(--text-sub);
            background: var(--card);
            border: 1px solid var(--border);
            transition: all 0.2s ease;
            cursor: pointer;
        }
        .page-link:hover {
            background: #F0F5FB;
            border-color: var(--primary-light);
            color: var(--primary);
        }
        .page-link.active {
            background: var(--primary);
            color: #fff;
            border-color: var(--primary);
            font-weight: 600;
            box-shadow: 0 4px 10px rgba(30, 90, 168, 0.2);
        }
        .page-link.arrow {
            font-size: 13px;
        }
        /* ===== FAQ ===== */
        .faq-section {
            padding: 56px 0 48px;
            background: var(--bg-alt);
        }
        .faq-section .section-title {
            font-size: 28px;
            font-weight: 700;
            text-align: center;
            margin-bottom: 8px;
            color: var(--text);
        }
        .faq-section .section-sub {
            text-align: center;
            color: var(--text-sub);
            font-size: 15px;
            margin-bottom: 32px;
        }
        .faq-list {
            max-width: 800px;
            margin: 0 auto;
            display: flex;
            flex-direction: column;
            gap: 12px;
        }
        .faq-item {
            background: var(--card);
            border: 1px solid var(--border);
            border-radius: 12px;
            box-shadow: 0 2px 8px rgba(30, 90, 168, 0.05);
            overflow: hidden;
            transition: border-color 0.2s ease, box-shadow 0.2s ease;
        }
        .faq-item.active {
            border-color: var(--primary-light);
            box-shadow: 0 4px 16px rgba(30, 90, 168, 0.1);
        }
        .faq-question {
            display: flex;
            align-items: center;
            justify-content: space-between;
            padding: 18px 22px;
            cursor: pointer;
            font-size: 16px;
            font-weight: 600;
            color: var(--text);
            user-select: none;
            transition: background-color 0.2s ease;
        }
        .faq-question:hover {
            background-color: #F9FBFF;
        }
        .faq-question .faq-icon {
            width: 28px;
            height: 28px;
            border-radius: 50%;
            background: #F1F5F9;
            display: flex;
            align-items: center;
            justify-content: center;
            font-size: 14px;
            color: var(--text-sub);
            transition: transform 0.25s ease, background-color 0.2s ease;
            flex-shrink: 0;
        }
        .faq-item.active .faq-icon {
            transform: rotate(45deg);
            background: var(--primary);
            color: #fff;
        }
        .faq-answer {
            padding: 0 22px;
            max-height: 0;
            overflow: hidden;
            transition: max-height 0.3s ease, padding 0.3s ease;
            font-size: 15px;
            line-height: 1.7;
            color: var(--text-sub);
        }
        .faq-answer.open {
            padding: 0 22px 18px;
            max-height: 400px;
        }
        /* ===== CTA横幅 ===== */
        .cta-banner-section {
            padding: 48px 0 56px;
        }
        .cta-banner {
            background: linear-gradient(135deg, #EEF3F9 0%, #E3ECF7 100%);
            border: 1px solid var(--border);
            border-radius: 16px;
            padding: 40px 48px;
            display: flex;
            align-items: center;
            justify-content: space-between;
            gap: 32px;
            flex-wrap: wrap;
        }
        .cta-banner-content {
            flex: 1;
            min-width: 280px;
        }
        .cta-banner-content h2 {
            font-size: 26px;
            font-weight: 700;
            color: var(--text);
            margin-bottom: 6px;
            letter-spacing: -0.01em;
        }
        .cta-banner-content p {
            font-size: 15px;
            color: var(--text-sub);
            margin-bottom: 0;
        }
        .cta-banner-btn {
            flex-shrink: 0;
        }
        /* ===== 页脚 ===== */
        .site-footer {
            background: #0F2552;
            color: rgba(255, 255, 255, 0.85);
            padding-top: 56px;
        }
        .footer-top {
            display: grid;
            grid-template-columns: 1.5fr 1fr 1fr 1.2fr;
            gap: 40px;
            padding-bottom: 40px;
        }
        .footer-brand .logo {
            color: #fff;
            margin-bottom: 12px;
        }
        .footer-brand .logo .logo-mark {
            background: rgba(255, 255, 255, 0.15);
        }
        .footer-desc {
            font-size: 14px;
            line-height: 1.7;
            color: rgba(255, 255, 255, 0.6);
            max-width: 320px;
        }
        .footer-title {
            font-size: 16px;
            font-weight: 600;
            color: #fff;
            margin-bottom: 14px;
        }
        .footer-links {
            list-style: none;
            padding: 0;
            margin: 0;
            display: flex;
            flex-direction: column;
            gap: 8px;
        }
        .footer-links a {
            display: inline-flex;
            align-items: center;
            gap: 6px;
            font-size: 14px;
            color: rgba(255, 255, 255, 0.6);
            transition: color 0.2s ease, transform 0.2s ease;
        }
        .footer-links a:hover {
            color: #9EC5FE;
            transform: translateX(2px);
        }
        .footer-links i {
            font-size: 10px;
        }
        .footer-bottom {
            border-top: 1px solid rgba(255, 255, 255, 0.08);
            padding: 20px 0;
            display: flex;
            align-items: center;
            justify-content: space-between;
            flex-wrap: wrap;
            gap: 8px;
        }
        .footer-bottom span {
            font-size: 13px;
            color: rgba(255, 255, 255, 0.5);
        }
        .footer-bottom-links {
            display: flex;
            gap: 20px;
        }
        .footer-bottom-links a {
            font-size: 13px;
            color: rgba(255, 255, 255, 0.5);
            transition: color 0.2s ease;
        }
        .footer-bottom-links a:hover {
            color: #9EC5FE;
        }
        /* ===== 响应式 ===== */
        @media (max-width: 767px) {
            .nav-links,
            .lang-switch,
            .nav-cta {
                display: none;
            }
            .hamburger {
                display: flex;
            }
            .mobile-panel {
                display: flex;
                transform: translateX(100%);
            }
            .mobile-panel.open {
                transform: translateX(0);
            }
            .page-hero {
                padding: 36px 0 32px;
            }
            .page-hero-title {
                font-size: 28px;
            }
            .page-hero-image {
                margin-top: 24px;
            }
            .page-hero-image img {
                height: 200px;
            }
            .filter-bar {
                flex-direction: column;
                align-items: flex-start;
            }
            .filter-controls {
                width: 100%;
                flex-direction: column;
                align-items: flex-start;
            }
            .resource-row {
                flex-direction: column;
                align-items: flex-start;
                padding: 16px;
            }
            .resource-thumb {
                width: 100%;
                height: 180px;
            }
            .resource-action {
                width: 100%;
            }
            .resource-action .btn {
                width: 100%;
            }
            .pagination {
                flex-wrap: wrap;
                justify-content: center;
            }
            .cta-banner {
                padding: 28px 24px;
                flex-direction: column;
                align-items: flex-start;
            }
            .cta-banner-btn .btn {
                width: 100%;
            }
            .footer-top {
                grid-template-columns: 1fr;
                gap: 24px;
            }
        }
        @media (min-width: 768px) and (max-width: 1023px) {
            .nav-links {
                display: none;
            }
            .hamburger {
                display: flex;
            }
            .page-hero-image img {
                height: 220px;
            }
            .footer-top {
                grid-template-columns: 1fr 1fr;
            }
        }
        @media (min-width: 1024px) {
            .hamburger {
                display: none;
            }
            .mobile-panel {
                display: none;
            }
        }