:root {
            --primary-blue: #0A2463;
            --accent-green: #00B894;
            --light-blue: #E8F1FF;
            --light-gray: #F8F9FA;
            --medium-gray: #E9ECEF;
            --dark-gray: #6C757D;
            --darker-gray: #343A40;
            --white: #FFFFFF;
            --shadow: 0 4px 12px rgba(0, 0, 0, 0.08);
            --border-radius: 8px;
            --transition: all 0.3s ease;
        }

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

        body {
            font-family: 'Noto Sans SC', sans-serif;
            line-height: 1.6;
            color: var(--darker-gray);
            background-color: var(--white);
        }

        .container {
            width: 100%;
            max-width: 1400px;
            margin: 0 auto;
            padding: 0 20px;
        }

        /* 头部导航样式 */
        header {
            background-color: var(--white);
            box-shadow: 0 2px 10px rgba(0, 0, 0, 0.05);
            position: sticky;
            top: 0;
            z-index: 1000;
        }

        .header-container {
            display: flex;
            justify-content: space-between;
            align-items: center;
            padding: 15px 0;
        }

        .logo {
            display: flex;
            align-items: center;
            gap: 10px;
        }

        .logo-icon {
            width: 40px;
            height: 40px;
            background: linear-gradient(135deg, var(--primary-blue), var(--accent-green));
            border-radius: 50%;
            display: flex;
            align-items: center;
            justify-content: center;
            color: var(--white);
            font-weight: 700;
        }

        .logo-text h1 {
            color: var(--primary-blue);
            font-size: 24px;
            font-weight: 700;
        }

        .logo-text p {
            color: var(--dark-gray);
            font-size: 12px;
            margin-top: -5px;
        }

        .nav-links {
            display: flex;
            gap: 30px;
        }

        .nav-links a {
            text-decoration: none;
            color: var(--darker-gray);
            font-weight: 500;
            transition: var(--transition);
            position: relative;
        }

        .nav-links a:hover {
            color: var(--primary-blue);
        }

        .nav-links a.active {
            color: var(--primary-blue);
        }

        .nav-links a.active::after {
            content: '';
            position: absolute;
            bottom: -5px;
            left: 0;
            width: 100%;
            height: 2px;
            background-color: var(--primary-blue);
        }

        .header-actions {
            display: flex;
            align-items: center;
            gap: 15px;
        }

        .btn-login {
            background: none;
            border: 1px solid var(--medium-gray);
            padding: 8px 20px;
            border-radius: var(--border-radius);
            color: var(--darker-gray);
            font-weight: 500;
            cursor: pointer;
            transition: var(--transition);
        }

        .btn-login:hover {
            background-color: var(--light-gray);
        }

        .btn-register {
            background-color: var(--primary-blue);
            border: none;
            padding: 8px 20px;
            border-radius: var(--border-radius);
            color: var(--white);
            font-weight: 500;
            cursor: pointer;
            transition: var(--transition);
        }

        .btn-register:hover {
            background-color: #082048;
        }

        .mobile-menu-btn {
            display: none;
            background: none;
            border: none;
            font-size: 24px;
            color: var(--primary-blue);
            cursor: pointer;
        }

        /* 面包屑导航 */
        .breadcrumb {
            padding: 20px 0;
            background-color: var(--light-gray);
        }

        .breadcrumb-content {
            display: flex;
            align-items: center;
            gap: 10px;
            font-size: 14px;
        }

        .breadcrumb a {
            text-decoration: none;
            color: var(--dark-gray);
        }

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

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

        /* 页面标题 */
        .page-header {
            padding: 40px 0 20px;
        }

        .page-title {
            font-size: 36px;
            font-weight: 700;
            color: var(--primary-blue);
            margin-bottom: 10px;
        }

        .page-subtitle {
            color: var(--dark-gray);
            font-size: 18px;
            margin-bottom: 30px;
        }

        /* 贷款产品页面主布局 */
        .product-page {
            display: flex;
            gap: 30px;
            padding: 30px 0 80px;
        }

        /* 侧边栏筛选 */
        .sidebar {
            width: 280px;
            flex-shrink: 0;
        }

        .filter-card {
            background-color: var(--white);
            border-radius: var(--border-radius);
            padding: 25px;
            box-shadow: var(--shadow);
            margin-bottom: 20px;
        }

        .filter-card h3 {
            font-size: 18px;
            color: var(--primary-blue);
            margin-bottom: 20px;
            padding-bottom: 10px;
            border-bottom: 1px solid var(--medium-gray);
        }

        .filter-section {
            margin-bottom: 25px;
        }

        .filter-section:last-child {
            margin-bottom: 0;
        }

        .filter-section h4 {
            font-size: 16px;
            color: var(--darker-gray);
            margin-bottom: 15px;
        }

        .filter-options {
            display: flex;
            flex-direction: column;
            gap: 12px;
        }

        .filter-option {
            display: flex;
            align-items: center;
            gap: 10px;
        }

        .filter-option input[type="checkbox"] {
            width: 18px;
            height: 18px;
            accent-color: var(--accent-green);
        }

        .filter-option label {
            cursor: pointer;
            font-size: 15px;
        }

        .filter-option .count {
            margin-left: auto;
            color: var(--dark-gray);
            font-size: 14px;
        }

        .range-slider {
            padding: 10px 0;
        }

        .range-values {
            display: flex;
            justify-content: space-between;
            margin-top: 10px;
            font-size: 14px;
            color: var(--dark-gray);
        }

        .range-slider input[type="range"] {
            width: 100%;
            height: 6px;
            border-radius: 3px;
            background: var(--medium-gray);
            outline: none;
            -webkit-appearance: none;
        }

        .range-slider input[type="range"]::-webkit-slider-thumb {
            -webkit-appearance: none;
            width: 20px;
            height: 20px;
            border-radius: 50%;
            background: var(--accent-green);
            cursor: pointer;
        }

        .btn-filter {
            width: 100%;
            background-color: var(--primary-blue);
            color: var(--white);
            border: none;
            padding: 12px;
            border-radius: var(--border-radius);
            font-weight: 600;
            cursor: pointer;
            transition: var(--transition);
            margin-top: 10px;
        }

        .btn-filter:hover {
            background-color: #082048;
        }

        .btn-reset {
            width: 100%;
            background-color: var(--light-gray);
            color: var(--darker-gray);
            border: 1px solid var(--medium-gray);
            padding: 12px;
            border-radius: var(--border-radius);
            font-weight: 600;
            cursor: pointer;
            transition: var(--transition);
            margin-top: 10px;
        }

        .btn-reset:hover {
            background-color: var(--medium-gray);
        }

        /* 快速导航 */
        .quick-nav {
            background-color: var(--white);
            border-radius: var(--border-radius);
            padding: 25px;
            box-shadow: var(--shadow);
        }

        .quick-nav h3 {
            font-size: 18px;
            color: var(--primary-blue);
            margin-bottom: 20px;
            padding-bottom: 10px;
            border-bottom: 1px solid var(--medium-gray);
        }

        .nav-links-vertical {
            display: flex;
            flex-direction: column;
            gap: 15px;
        }

        .nav-links-vertical a {
            text-decoration: none;
            color: var(--darker-gray);
            padding: 10px 15px;
            border-radius: var(--border-radius);
            transition: var(--transition);
            display: flex;
            align-items: center;
            gap: 10px;
        }

        .nav-links-vertical a:hover {
            background-color: var(--light-blue);
            color: var(--primary-blue);
        }

        .nav-links-vertical a.active {
            background-color: var(--light-blue);
            color: var(--primary-blue);
            font-weight: 500;
        }

        /* 产品列表区域 */
        .product-list-container {
            flex: 1;
        }

        /* 排序和视图控制 */
        .list-controls {
            display: flex;
            justify-content: space-between;
            align-items: center;
            margin-bottom: 30px;
            background-color: var(--white);
            padding: 20px;
            border-radius: var(--border-radius);
            box-shadow: var(--shadow);
        }

        .results-count {
            font-size: 16px;
            color: var(--darker-gray);
        }

        .results-count span {
            color: var(--primary-blue);
            font-weight: 600;
        }

        .sort-controls {
            display: flex;
            align-items: center;
            gap: 15px;
        }

        .sort-controls label {
            font-size: 15px;
            color: var(--darker-gray);
        }

        .sort-controls select {
            padding: 10px 15px;
            border: 1px solid var(--medium-gray);
            border-radius: var(--border-radius);
            font-family: 'Noto Sans SC', sans-serif;
            font-size: 15px;
            background-color: var(--white);
            color: var(--darker-gray);
            min-width: 180px;
        }

        .view-toggle {
            display: flex;
            border: 1px solid var(--medium-gray);
            border-radius: var(--border-radius);
            overflow: hidden;
        }

        .view-toggle button {
            background-color: var(--white);
            border: none;
            padding: 10px 15px;
            cursor: pointer;
            color: var(--dark-gray);
            transition: var(--transition);
        }

        .view-toggle button.active {
            background-color: var(--light-blue);
            color: var(--primary-blue);
        }

        .view-toggle button:hover:not(.active) {
            background-color: var(--light-gray);
        }

        /* 产品列表 */
        .product-list {
            display: flex;
            flex-direction: column;
            gap: 20px;
        }

        .product-card {
            background-color: var(--white);
            border-radius: var(--border-radius);
            padding: 25px;
            box-shadow: var(--shadow);
            transition: var(--transition);
        }

        .product-card:hover {
            box-shadow: 0 8px 20px rgba(0, 0, 0, 0.12);
            transform: translateY(-3px);
        }

        .product-card-header {
            display: flex;
            justify-content: space-between;
            align-items: flex-start;
            margin-bottom: 20px;
        }

        .product-info {
            display: flex;
            gap: 20px;
        }

        .product-logo {
            width: 60px;
            height: 60px;
            background-color: var(--light-blue);
            border-radius: var(--border-radius);
            display: flex;
            align-items: center;
            justify-content: center;
            font-size: 24px;
            color: var(--primary-blue);
            font-weight: 700;
        }

        .product-details {
            flex: 1;
        }

        .product-title {
            font-size: 20px;
            font-weight: 700;
            color: var(--primary-blue);
            margin-bottom: 5px;
        }

        .product-institution {
            color: var(--dark-gray);
            font-size: 15px;
            margin-bottom: 10px;
        }

        .product-tags {
            display: flex;
            flex-wrap: wrap;
            gap: 8px;
        }

        .tag {
            background-color: var(--light-blue);
            color: var(--primary-blue);
            padding: 4px 10px;
            border-radius: 20px;
            font-size: 12px;
            font-weight: 500;
        }

        .tag.hot {
            background-color: #FFE8E8;
            color: #FF6B6B;
        }

        .tag.recommended {
            background-color: #E8FFE8;
            color: var(--accent-green);
        }

        .product-rating {
            display: flex;
            flex-direction: column;
            align-items: flex-end;
        }

        .rating-stars {
            color: #FFC107;
            font-size: 18px;
            margin-bottom: 5px;
        }

        .rating-text {
            font-size: 14px;
            color: var(--dark-gray);
        }

        .product-card-body {
            display: grid;
            grid-template-columns: repeat(4, 1fr);
            gap: 20px;
            margin-bottom: 25px;
            padding-bottom: 25px;
            border-bottom: 1px solid var(--medium-gray);
        }

        .product-feature {
            display: flex;
            flex-direction: column;
        }

        .feature-label {
            font-size: 14px;
            color: var(--dark-gray);
            margin-bottom: 8px;
        }

        .feature-value {
            font-size: 20px;
            font-weight: 700;
            color: var(--primary-blue);
        }

        .feature-value .unit {
            font-size: 14px;
            font-weight: 400;
        }

        .feature-note {
            font-size: 13px;
            color: var(--dark-gray);
            margin-top: 5px;
        }

        .product-card-footer {
            display: flex;
            justify-content: space-between;
            align-items: center;
        }

        .product-actions {
            display: flex;
            gap: 15px;
        }

        .btn-outline {
            background-color: transparent;
            border: 1px solid var(--medium-gray);
            color: var(--darker-gray);
            padding: 10px 20px;
            border-radius: var(--border-radius);
            font-weight: 500;
            cursor: pointer;
            transition: var(--transition);
            display: flex;
            align-items: center;
            gap: 8px;
        }

        .btn-outline:hover {
            background-color: var(--light-gray);
        }

        .btn-primary {
            background-color: var(--accent-green);
            border: none;
            color: var(--white);
            padding: 10px 25px;
            border-radius: var(--border-radius);
            font-weight: 600;
            cursor: pointer;
            transition: var(--transition);
        }

        .btn-primary:hover {
            background-color: #00a085;
        }

        .compare-checkbox {
            display: flex;
            align-items: center;
            gap: 8px;
            font-size: 15px;
            color: var(--darker-gray);
        }

        .compare-checkbox input[type="checkbox"] {
            width: 18px;
            height: 18px;
            accent-color: var(--accent-green);
        }

        /* 对比栏 */
        .compare-bar {
            position: fixed;
            bottom: 0;
            left: 0;
            right: 0;
            background-color: var(--white);
            box-shadow: 0 -4px 20px rgba(0, 0, 0, 0.1);
            padding: 15px 20px;
            transform: translateY(100%);
            transition: var(--transition);
            z-index: 999;
        }

        .compare-bar.active {
            transform: translateY(0);
        }

        .compare-content {
            display: flex;
            justify-content: space-between;
            align-items: center;
            max-width: 1400px;
            margin: 0 auto;
        }

        .compare-products {
            display: flex;
            gap: 15px;
            flex-wrap: wrap;
        }

        .compare-product-item {
            background-color: var(--light-blue);
            border-radius: var(--border-radius);
            padding: 8px 15px;
            display: flex;
            align-items: center;
            gap: 10px;
        }

        .compare-product-name {
            font-weight: 500;
            font-size: 14px;
        }

        .remove-compare {
            background: none;
            border: none;
            color: var(--dark-gray);
            cursor: pointer;
            font-size: 12px;
        }

        .compare-actions {
            display: flex;
            gap: 15px;
            align-items: center;
        }

        .compare-count {
            font-size: 14px;
            color: var(--darker-gray);
        }

        .btn-compare {
            background-color: var(--primary-blue);
            color: var(--white);
            border: none;
            padding: 10px 25px;
            border-radius: var(--border-radius);
            font-weight: 600;
            cursor: pointer;
            transition: var(--transition);
        }

        .btn-compare:hover {
            background-color: #082048;
        }

        .btn-clear {
            background-color: var(--light-gray);
            color: var(--darker-gray);
            border: 1px solid var(--medium-gray);
            padding: 10px 20px;
            border-radius: var(--border-radius);
            font-weight: 500;
            cursor: pointer;
            transition: var(--transition);
        }

        .btn-clear:hover {
            background-color: var(--medium-gray);
        }

        /* 分页 */
        .pagination {
            display: flex;
            justify-content: center;
            align-items: center;
            gap: 10px;
            margin-top: 50px;
            flex-wrap: wrap;
        }

        .pagination button {
            background-color: var(--white);
            border: 1px solid var(--medium-gray);
            color: var(--darker-gray);
            width: 40px;
            height: 40px;
            border-radius: var(--border-radius);
            cursor: pointer;
            transition: var(--transition);
            display: inline-flex;
            align-items: center;
            justify-content: center;
        }

        /* 页码按钮容器横向排列 */
        #pageButtons {
            display: flex;
            align-items: center;
            gap: 10px;
            flex-wrap: wrap;
        }

        .pagination button:hover:not(:disabled) {
            background-color: var(--light-blue);
            color: var(--primary-blue);
        }

        .pagination button.active {
            background-color: var(--primary-blue);
            color: var(--white);
            border-color: var(--primary-blue);
        }

        .pagination button:disabled {
            color: var(--medium-gray);
            cursor: not-allowed;
        }

        .pagination-ellipsis {
            color: var(--dark-gray);
            margin: 0 5px;
        }

        /* 底部样式 */
        footer {
            background-color: var(--primary-blue);
            color: var(--white);
            padding: 60px 0 30px;
            margin-top: 50px;
        }

        .footer-content {
            display: grid;
            grid-template-columns: repeat(auto-fit, minmax(200px, 1fr));
            gap: 40px;
            margin-bottom: 40px;
        }

        .footer-column h3 {
            font-size: 18px;
            font-weight: 600;
            margin-bottom: 20px;
            color: var(--white);
        }

        .footer-column ul {
            list-style: none;
        }

        .footer-column ul li {
            margin-bottom: 12px;
        }

        .footer-column ul li a {
            color: rgba(255, 255, 255, 0.8);
            text-decoration: none;
            transition: var(--transition);
        }

        .footer-column ul li a:hover {
            color: var(--white);
            padding-left: 5px;
        }

        .footer-bottom {
            border-top: 1px solid rgba(255, 255, 255, 0.1);
            padding-top: 30px;
            display: flex;
            justify-content: space-between;
            align-items: center;
            flex-wrap: wrap;
            gap: 20px;
        }

        .footer-disclaimer {
            font-size: 14px;
            color: rgba(255, 255, 255, 0.7);
            max-width: 600px;
        }

        .social-links {
            display: flex;
            gap: 15px;
        }

        .social-links a {
            color: var(--white);
            background-color: rgba(255, 255, 255, 0.1);
            width: 36px;
            height: 36px;
            border-radius: 50%;
            display: flex;
            align-items: center;
            justify-content: center;
            text-decoration: none;
            transition: var(--transition);
        }

        .social-links a:hover {
            background-color: var(--accent-green);
            transform: translateY(-3px);
        }

        /* ---------------- 产品详情弹窗（全尺寸） ---------------- */
        .modal-mask {
            position: fixed;
            inset: 0;
            background: rgba(0, 0, 0, 0.45);
            z-index: 2000;
        }

        .modal {
            position: fixed;
            top: 50%;
            left: 50%;
            transform: translate(-50%, -50%);
            width: min(760px, calc(100vw - 40px));
            max-height: calc(100vh - 40px);
            overflow: auto;
            background: var(--white);
            border-radius: var(--border-radius);
            box-shadow: 0 16px 40px rgba(0, 0, 0, 0.18);
            z-index: 2001;
        }

        /* 用 id 选择器确保不被其它 .modal 规则覆盖，同时兼容 hidden 属性 */
        #product-modal-mask[hidden],
        #product-modal[hidden] {
            display: none !important;
        }

        #product-modal-mask:not([hidden]) {
            display: block;
        }

        #product-modal:not([hidden]) {
            display: block;
        }

        #product-modal-mask {
            z-index: 2000;
        }

        #product-modal {
            z-index: 2001;
        }

        .modal-header {
            display: flex;
            align-items: center;
            justify-content: space-between;
            padding: 18px 20px;
            border-bottom: 1px solid var(--medium-gray);
        }

        .modal-title {
            font-size: 18px;
            font-weight: 700;
            color: var(--primary-blue);
        }

        .modal-close {
            width: 36px;
            height: 36px;
            border-radius: 50%;
            border: 1px solid var(--medium-gray);
            background: var(--white);
            color: var(--dark-gray);
            cursor: pointer;
            transition: var(--transition);
            display: inline-flex;
            align-items: center;
            justify-content: center;
        }

        .modal-close:hover {
            background: var(--light-gray);
            color: var(--primary-blue);
        }

        .modal-content {
            padding: 20px;
        }

        .detail-header {
            display: flex;
            gap: 16px;
            align-items: center;
            margin-bottom: 16px;
        }

        .detail-logo {
            width: 56px;
            height: 56px;
            border-radius: 50%;
            background: var(--light-blue);
            color: var(--primary-blue);
            display: flex;
            align-items: center;
            justify-content: center;
            font-weight: 800;
            font-size: 20px;
            flex-shrink: 0;
        }

        .detail-title {
            font-size: 20px;
            font-weight: 800;
            color: var(--primary-blue);
            margin-bottom: 4px;
        }

        .detail-sub {
            font-size: 14px;
            color: var(--dark-gray);
            margin-bottom: 6px;
        }

        .detail-stars {
            font-size: 14px;
            color: #f1c40f;
        }

        .detail-rating {
            color: var(--darker-gray);
            margin-left: 6px;
            font-weight: 600;
        }

        .detail-apply {
            color: var(--dark-gray);
        }

        .detail-grid {
            display: grid;
            grid-template-columns: repeat(2, minmax(0, 1fr));
            gap: 12px;
            margin: 14px 0;
        }

        .detail-item {
            border: 1px solid var(--medium-gray);
            border-radius: var(--border-radius);
            padding: 12px;
            background: var(--light-gray);
        }

        .detail-item .k {
            font-size: 12px;
            color: var(--dark-gray);
            margin-bottom: 6px;
        }

        .detail-item .v {
            font-size: 16px;
            font-weight: 700;
            color: var(--primary-blue);
        }

        .detail-tags {
            margin-top: 10px;
        }

        .detail-section {
            margin-top: 14px;
            border: 1px solid var(--medium-gray);
            border-radius: var(--border-radius);
            overflow: hidden;
        }

        .detail-section-title {
            background: var(--light-gray);
            padding: 10px 12px;
            font-weight: 700;
            color: var(--primary-blue);
            border-bottom: 1px solid var(--medium-gray);
        }

        .detail-section-body {
            padding: 12px;
            color: var(--darker-gray);
            font-size: 14px;
            line-height: 1.7;
        }

        .detail-tips {
            margin-top: 14px;
            padding: 12px;
            border-radius: var(--border-radius);
            background: var(--light-blue);
            color: var(--darker-gray);
            font-size: 14px;
        }

        .detail-actions {
            margin-top: 16px;
            display: flex;
            justify-content: flex-end;
            gap: 10px;
        }

        /* 响应式设计 */
        @media (max-width: 1200px) {
            .product-card-body {
                grid-template-columns: repeat(2, 1fr);
            }
        }

        @media (max-width: 992px) {
            .product-page {
                flex-direction: column;
            }
            
            .sidebar {
                width: 100%;
            }
            
            .list-controls {
                flex-direction: column;
                align-items: flex-start;
                gap: 20px;
            }
            
            .product-card-body {
                grid-template-columns: repeat(2, 1fr);
            }
            
            .compare-content {
                flex-direction: column;
                gap: 15px;
            }
            
            .compare-products {
                max-width: 100%;
                overflow-x: auto;
                padding-bottom: 10px;
            }
        }

        @media (max-width: 768px) {
            .mobile-menu-btn {
                display: block;
            }
            
            .nav-links {
                display: none;
                position: absolute;
                top: 70px;
                left: 0;
                width: 100%;
                background-color: var(--white);
                flex-direction: column;
                padding: 20px;
                box-shadow: 0 10px 20px rgba(0, 0, 0, 0.1);
                z-index: 100;
            }
            
            .nav-links.active {
                display: flex;
            }
            
            .product-card-header {
                flex-direction: column;
                gap: 15px;
            }
            
            .product-rating {
                align-items: flex-start;
            }
            
            .product-card-body {
                grid-template-columns: 1fr;
            }
            
            .product-card-footer {
                flex-direction: column;
                align-items: flex-start;
                gap: 15px;
            }
            
            .product-actions {
                width: 100%;
                justify-content: space-between;
            }
        }

        @media (max-width: 576px) {
            .page-title {
                font-size: 28px;
            }

            .page-subtitle {
                font-size: 16px;
            }

            .filter-card, .quick-nav {
                padding: 20px;
            }

            .product-card {
                padding: 20px;
            }

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