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

        body {
            font-family: -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, "Helvetica Neue", Arial, sans-serif;
            background-color: #f5f7fa;
            color: #333;
            line-height: 1.6;
        }

        .container {
            max-width: 1400px;
            margin: 0 auto;
            padding: 0 24px;
        }

     
         .navbar {
            /* max-width: 1352px; */
            display: flex;
            justify-content: space-between;
            align-items: center;
            padding: 1rem 0;
            border-bottom: 1px solid #eef2f8;
            flex-wrap: wrap;
            gap: 0.8rem;
            position: relative;
            z-index: 1000;
        }
       .navbar .logo {
            font-size: 1.5rem;
            font-weight: 700;
            color: #1e3a5f;
            letter-spacing: -0.3px;
            text-decoration: none;
        }
        .logo span {
            color: #5685a8;
        }
        .nav-container {
            display: flex;
            align-items: center;
            gap: 0.5rem;
        }
        .nav-links {
            display: flex;
            gap: 0.3rem;
            list-style: none;
        }
        .nav-item {
            position: relative;
        }
        .nav-item > a {
            display: flex;
            align-items: center;
            gap: 4px;
            padding: 0.6rem 1rem;
            text-decoration: none;
            color: #5a6e7c;
            font-weight: 500;
            font-size: 0.9rem;
            transition: all 0.2s;
            border-radius: 0.5rem;
        }
        .nav-item > a:hover, .nav-item > a.active {
            color: #2c6280;
            background: rgba(44, 98, 128, 0.08);
        }
        .nav-item > a .arrow {
            font-size: 0.7rem;
            transition: transform 0.2s;
        }
        .nav-item:hover > a .arrow {
            transform: rotate(180deg);
        }
        .nav-item .arrow {
            font-size: 10px;
        }

        /* 下拉菜单 */
        .dropdown {
            position: absolute;
            top: 100%;
            left: 0;
            min-width: 200px;
            background: #fff;
            border-radius: 1rem;
            box-shadow: 0 10px 40px rgba(0,0,0,0.12);
            padding: 0.8rem 0;
            opacity: 0;
            visibility: hidden;
            transform: translateY(10px);
            transition: all 0.3s ease;
            z-index: 1001;
        }
        .nav-item:hover .dropdown {
            opacity: 1;
            visibility: visible;
            transform: translateY(0);
        }
        .dropdown a {
            display: flex;
            align-items: center;
            gap: 0.6rem;
            padding: 0.7rem 1.2rem;
            text-decoration: none;
            color: #5a6e7c;
            font-size: 0.85rem;
            transition: all 0.2s;
        }
        .dropdown a:hover {
            background: #f0f4f8;
            color: #2c6280;
        }
        .dropdown a .icon {
            font-size: 1rem;
        }
        .dropdown-divider {
            height: 1px;
            background: #eef2f8;
            margin: 0.5rem 0;
        }
        .dropdown-title {
            padding: 0.5rem 1.2rem;
            font-size: 0.75rem;
            color: #9aaebf;
            font-weight: 600;
            text-transform: uppercase;
            letter-spacing: 0.5px;
        }

        .nav-actions {
            display: flex;
            align-items: center;
            gap: 0.8rem;
        }
        .nav-btn {
            background: linear-gradient(135deg, #ff6b35, #ff8f5a);
            padding: 0.6rem 1.4rem;
            border-radius: 2rem;
            text-decoration: none;
            color: white;
            font-weight: 500;
            font-size: 0.85rem;
            transition: all 0.2s;
            box-shadow: 0 4px 12px rgba(255, 107, 53, 0.25);
        }
        .nav-btn:hover {
            background: linear-gradient(135deg, #e55a28, #ff6b35);
            box-shadow: 0 6px 16px rgba(255, 107, 53, 0.35);
            transform: translateY(-2px);
        }
        .nav-login {
            color: #5a6e7c;
            text-decoration: none;
            font-size: 0.85rem;
            font-weight: 500;
            padding: 0.6rem 1rem;
            border-radius: 0.5rem;
            transition: all 0.2s;
        }
        .nav-login:hover {
            color: #2c6280;
            background: rgba(44, 98, 128, 0.08);
        }

        /* 移动端菜单按钮 */
        .mobile-menu-btn {
            display: none;
            background: none;
            border: none;
            padding: 0.5rem;
            cursor: pointer;
        }
        .mobile-menu-btn span {
            display: block;
            width: 24px;
            height: 2px;
            background: #5a6e7c;
            margin: 5px 0;
            border-radius: 2px;
            transition: all 0.3s;
        }



          /* 英雄区栏 */
         .hero-search {
              margin-bottom: 20px;
              margin: 0 auto;
              margin-top: 32px;
            text-align: center;
            padding: 3rem 1rem 4rem;
            background: linear-gradient(135deg, #94a2b4 0%, #2c6280 100%);
            border-radius: 2rem;
            
        }
        .hero-search h1 {
            font-size: 2.5rem;
            font-weight: 700;
            color: #ffffff;
            margin-bottom: 0.8rem;
            letter-spacing: -0.02em;
        }
        .hero-search p {
            font-size: 1rem;
            color: rgba(255,255,255,0.8);
            margin-bottom: 2rem;
        }
        .search-container {
            max-width: 700px;
            margin: 0 auto;
            display: flex;
            gap: 0.5rem;
            background: white;
            border-radius: 3rem;
            padding: 0.3rem;
            box-shadow: 0 8px 24px rgba(0,0,0,0.1);
        }
        .search-container input {
            flex: 1;
            border: none;
            padding: 0 1.2rem;
            font-size: 1rem;
            outline: none;
            background: transparent;
            color: #1e2a3a;
        }
        .search-container input::placeholder {
            color: #9aaebf;
        }
        .search-container button {
            background: #ff6b35;
            border: none;
            padding: 0.8rem 1.8rem;
            border-radius: 3rem;
            color: white;
            font-weight: 500;
            cursor: pointer;
            transition: background 0.2s;
            font-size: 0.9rem;
        }
        .search-container button:hover {
            background: #e55a28;
        }
        .hot-keywords {
            margin-top: 1.2rem;
            display: flex;
            flex-wrap: wrap;
            justify-content: center;
            gap: 0.8rem;
        }
        .hot-keywords span {
            padding-top: 2px;
            font-size: 1.0rem;
            color: rgba(255,255,255,0.8);
        }
        .hot-keywords a {
            color: #ffffff;
            text-decoration: none;
            font-size: 0.8rem;
            background: rgba(255,255,255,0.15);
            padding: 0.3rem 0.8rem;
            border-radius: 2rem;
            transition: background 0.2s;
        }
        .hot-keywords a:hover {
            background: rgba(255,255,255,0.25);
        } 

        

        /* 热门搜索标签 */
        .hot-search {
            display: flex;
            align-items: center;
            justify-content: center;
            gap: 10px;
            flex-wrap: wrap;
            margin-top: 15px;
        }

        .hot-search-label {
            font-size: 13px;
            color: rgba(255,255,255,0.8);
        }

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

        .hot-search-tag {
            padding: 5px 12px;
            background: rgba(255,255,255,0.2);
            color: #fff;
            font-size: 12px;
            border-radius: 15px;
            text-decoration: none;
            transition: all 0.3s;
        }

        .hot-search-tag:hover {
            background: rgba(255,255,255,0.35);
        }

        /* 筛选条件 */
        .filter-section {
            background: #fff;
            border-radius: 12px;
            padding: 20px 25px;
            box-shadow: 0 2px 15px rgba(0,0,0,0.05);
            margin-bottom: 25px;
            margin-top: 20px;
        }

        .filter-row {
            display: flex;
            align-items: center;
            padding: 12px 0;
            border-bottom: 1px solid #f0f0f0;
        }

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

        .filter-label {
            width: 80px;
            font-size: 13px;
            color: #999;
            flex-shrink: 0;
        }

        .filter-options {
            flex: 1;
            display: flex;
            gap: 8px;
            flex-wrap: wrap;
        }

        .filter-option {
            padding: 6px 14px;
            background: #fff;
            border: 1px solid #e5e5e5;
            border-radius: 20px;
            color: #666;
            font-size: 13px;
            cursor: pointer;
            transition: all 0.3s;
            text-decoration: none;
        }

        .filter-option:hover {
            border-color: #5a7388;
            color: #5a7388;
        }

        .filter-option.active {
            background: linear-gradient(135deg, #5a7388, #5a7388);
            color: #fff;
            border-color: transparent;
        }

        /* 搜索结果区域 */
        .search-results {
            display: grid;
            grid-template-columns: 1fr 340px;
            gap: 25px;
            margin-bottom: 40px;
        }

        /* 结果列表 */
        .results-container {
            background: #fff;
            border-radius: 12px;
            padding: 25px;
            box-shadow: 0 2px 15px rgba(0,0,0,0.05);
        }

        .results-header {
            display: flex;
            justify-content: space-between;
            align-items: center;
            margin-bottom: 20px;
            padding-bottom: 15px;
            border-bottom: 2px solid #f0f0f0;
        }

        .results-title {
            font-size: 1.2rem;
            color: #333;
            display: flex;
            align-items: center;
            gap: 8px;
        }

        .results-title::before {
            content: '';
            width: 4px;
            height: 18px;
            background: linear-gradient(180deg, #5a7388, #5a7388);
            border-radius: 2px;
        }

        .results-count {
            font-size: 13px;
            color: #999;
        }

        .results-count strong {
            color: #ff6b35;
        }

        .results-sort {
            display: flex;
            gap: 12px;
        }

        .results-sort a {
            color: #999;
            text-decoration: none;
            font-size: 13px;
            padding: 5px 10px;
            border-radius: 4px;
            transition: all 0.3s;
        }

        .results-sort a:hover,
        .results-sort a.active {
            color: #5a7388;
            background: rgba(255,255,255,0.5);
        }

        /* 搜索结果条目 */
        .result-item {
            display: flex;
            gap: 18px;
            padding: 20px 0;
            border-bottom: 1px solid #f0f0f0;
            transition: all 0.3s;
        }

        .result-item:hover {
            background: rgba(255,107,53,0.02);
            margin: 0 -10px;
            padding: 20px 10px;
            border-radius: 8px;
        }

        .result-item:last-child {
            border-bottom: none;
        }

        .result-thumb {
            width: 180px;
            height: 120px;
            border-radius: 8px;
            overflow: hidden;
            flex-shrink: 0;
            background: #f5f5f5;
            display: flex;
            align-items: center;
            justify-content: center;
            display: none;
        }

        .result-thumb img {
            width: 100%;
            height: 100%;
            object-fit: cover;
            transition: transform 0.5s;
        }

        .result-item:hover .result-thumb img {
            transform: scale(1.08);
        }

        .result-logo-placeholder {
            width: 60px;
            height: 60px;
            background: linear-gradient(135deg, #5a7388, #2c6280);
            border-radius: 8px;
            display: flex;
            align-items: center;
            justify-content: center;
            color: #fff;
            font-size: 24px;
            font-weight: bold;
        }

        .result-content {
            flex: 1;
            display: flex;
            flex-direction: column;
            justify-content: space-between;
        }

        .result-category {
            display: inline-block;
            padding: 3px 10px;
            background: linear-gradient(135deg, #5a7388, #5a7388);
            color: #fff;
            font-size: 11px;
            border-radius: 4px;
            margin-bottom: 8px;
            width: fit-content;
        }

        .result-title {
            font-size: 1.05rem;
            color: #333;
            margin-bottom: 8px;
            line-height: 1.5;
        }

        .result-title a {
            color: #333;
            text-decoration: none;
            transition: color 0.3s;
        }

        .result-title a:hover {
            color: #5a7388;
        }

       

        .result-desc {
            color: #666;
            font-size: 13px;
            line-height: 1.6;
            display: -webkit-box;
            -webkit-line-clamp: 2;
            -webkit-box-orient: vertical;
            overflow: hidden;
            margin-bottom: 10px;
        }

        .result-meta {
            display: flex;
            align-items: center;
            gap: 15px;
            font-size: 12px;
            color: #999;
        }

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

        .result-tags {
            display: flex;
            gap: 6px;
            margin-top: 8px;
        }

        .result-tag {
            padding: 3px 8px;
            background: #f5f5f5;
            color: #666;
            font-size: 11px;
            border-radius: 4px;
        }

        /* 右侧边栏 */
        .search-sidebar {
            display: flex;
            flex-direction: column;
            gap: 20px;
        }

        .sidebar-card {
            background: #fff;
            border-radius: 12px;
            padding: 20px;
            box-shadow: 0 2px 15px rgba(0,0,0,0.05);
        }

        .sidebar-card h3 {
            font-size: 1rem;
            color: #333;
            margin-bottom: 15px;
            padding-bottom: 10px;
            border-bottom: 2px solid #f0f0f0;
            display: flex;
            align-items: center;
            gap: 8px;
        }

        .sidebar-card h3::before {
            content: '';
            width: 4px;
            height: 14px;
            background: linear-gradient(180deg, #5a7388, #5a7388);
            border-radius: 2px;
        }

        /* 热门品牌 */
        .hot-brand-list {
            display: flex;
            flex-direction: column;
            gap: 10px;
        }

        .hot-brand-item {
            display: flex;
            align-items: center;
            gap: 12px;
            padding: 12px;
            background: #f9f9f9;
            border-radius: 8px;
            text-decoration: none;
            transition: all 0.3s;
        }

        .hot-brand-item:hover {
            background: rgba(255,255,255,0.5);
            transform: translateX(3px);
        }

        .hot-brand-rank {
            width: 24px;
            height: 24px;
            background: linear-gradient(135deg, #5a7388, #5a7388);
            color: #fff;
            font-size: 12px;
            font-weight: 600;
            display: flex;
            align-items: center;
            justify-content: center;
            border-radius: 4px;
            flex-shrink: 0;
        }

        .hot-brand-rank.top {
            background: linear-gradient(135deg, #ff6b35, #ff8f5a);
        }

        .hot-brand-logo {
            width: 40px;
            height: 40px;
            border-radius: 6px;
            object-fit: cover;
            background: #fff;
            display: flex;
            align-items: center;
            justify-content: center;
            font-size: 16px;
            font-weight: bold;
            color: #5a7388;
        }

        .hot-brand-info {
            flex: 1;
        }

        .hot-brand-name {
            color: #333;
            font-size: 13px;
            font-weight: 500;
            margin-bottom: 2px;
        }

        .hot-brand-category {
            color: #999;
            font-size: 11px;
        }

        .hot-brand-arrow {
            color: #ccc;
            font-size: 12px;
        }

        /* 相关搜索 */
        .related-search-list {
            display: flex;
            flex-direction: column;
            gap: 8px;
        }

        .related-search-item {
            padding: 10px 12px;
            background: #f9f9f9;
            border-radius: 6px;
            text-decoration: none;
            transition: all 0.3s;
        }

        .related-search-item:hover {
            background: rgba(255,255,255,0.5);
        }

        .related-search-item a {
            color: #666;
            font-size: 13px;
            text-decoration: none;
            display: flex;
            justify-content: space-between;
            align-items: center;
        }

        .related-search-item:hover a {
            color: #5a7388;
        }

        .related-search-count {
            color: #999;
            font-size: 11px;
        }

        /* 搜索热度 */
         .search-history-list {
            display: flex;
            flex-direction: column;
            gap: 8px;
        }

        .search-history-item {
            padding: 10px 12px;
            background: #f9f9f9;
            border-radius: 6px;
            text-decoration: none;
            transition: all 0.3s;
        }

        .search-history-item:hover {
            background: rgba(255,255,255,0.5);
        }

        .search-history-item a {
            color: #666;
            font-size: 13px;
            text-decoration: none;
            display: flex;
            justify-content: space-between;
            align-items: center;
        }

        .search-history-item:hover a {
            color: #5a7388;
        }

        .search-history-count {
            color: #999;
            font-size: 11px;
        }
        /* 行业分类 */
        .category-list {
            display: flex;
            flex-wrap: wrap;
            gap: 6px;
        }

        .category-item {
            padding: 5px 10px;
            background: #f5f5f5;
            color: #666;
            font-size: 12px;
            border-radius: 4px;
            text-decoration: none;
            transition: all 0.3s;
        }

        .category-item:hover {
            background: linear-gradient(135deg, #5a7388, #5a7388);
            color: #fff;
        }

        /* 广告位 */
        .advertisement {
            background: linear-gradient(135deg, #667eea 0%, #764ba2 100%);
            border-radius: 12px;
            padding: 25px 20px;
            text-align: center;
            color: #fff;
            position: relative;
            overflow: hidden;
            min-height: 200px;
            display: flex;
            flex-direction: column;
            justify-content: center;
            align-items: center;
        }

        .advertisement::before {
            content: '';
            position: absolute;
            top: -50%;
            left: -50%;
            width: 200%;
            height: 200%;
            background: radial-gradient(circle, rgba(255,255,255,0.1) 0%, transparent 60%);
            animation: shimmer 3s ease-in-out infinite;
        }

        @keyframes shimmer {
            0%, 100% { transform: translate(-30%, -30%); }
            50% { transform: translate(30%, 30%); }
        }

        .advertisement.secondary {
            background: linear-gradient(135deg, #f093fb 0%, #f5576c 100%);
            min-height: 150px;
        }

        .advertisement-content {
            position: relative;
            z-index: 1;
        }

        .advertisement-icon {
            font-size: 40px;
            margin-bottom: 10px;
        }

        .advertisement-title {
            font-size: 1.1rem;
            font-weight: 600;
            margin-bottom: 8px;
        }

        .advertisement-desc {
            font-size: 0.85rem;
            opacity: 0.9;
            margin-bottom: 15px;
        }

        .advertisement-btn {
            display: inline-block;
            padding: 8px 20px;
            background: rgba(255,255,255,0.2);
            color: #fff;
            border-radius: 20px;
            font-size: 13px;
            text-decoration: none;
            transition: all 0.3s;
            backdrop-filter: blur(4px);
        }

        .advertisement-btn:hover {
            background: rgba(255,255,255,0.35);
        }

        .advertisement-label {
            position: absolute;
            top: 10px;
            right: 10px;
            padding: 3px 8px;
            background: rgba(0,0,0,0.2);
            border-radius: 4px;
            font-size: 10px;
            color: rgba(255,255,255,0.8);
        }

        /* 分页 */
        .pagination {
            display: flex;
            justify-content: center;
            align-items: center;
            gap: 6px;
            margin-top: 30px;
        }

        .pagination a,
        .pagination span {
            padding: 8px 14px;
            background: #fff;
            border: 1px solid #e5e5e5;
            border-radius: 6px;
            color: #666;
            text-decoration: none;
            font-size: 13px;
            transition: all 0.3s;
        }

        .pagination a:hover {
            border-color: #5a7388;
            color: #5a7388;
        }

        .pagination span.current {
            background: linear-gradient(135deg, #5a7388, #5a7388);
            color: #fff;
            border-color: transparent;
        }

        .pagination .ellipsis {
            border: none;
            background: none;
            color: #999;
        }

        /* 底部 */
          
 .footer {
               max-width: 1400px;
              margin: 0 auto;
            margin-top: 3rem;
            padding: 2rem 0 3rem;
            border-top: 1px solid #eef2f8;
            display: flex;
            justify-content: space-between;
            flex-wrap: wrap;
            gap: 2rem;
        }
        .footer-col p {
            color: #8aa2b8;
            font-size: 0.8rem;
            margin-top: 0.5rem;
        }
        .footer-links {
            display: flex;
            gap: 2rem;
        }
        .footer-links a {
            text-decoration: none;
            color: #5a6e7c;
            font-size: 0.8rem;
        }
        /* 空结果提示 */
        .empty-results {
            text-align: center;
            padding: 60px 20px;
        }

        .empty-icon {
            font-size: 64px;
            color: #ddd;
            margin-bottom: 20px;
        }

        .empty-title {
            font-size: 18px;
            color: #333;
            margin-bottom: 10px;
        }

        .empty-desc {
            font-size: 14px;
            color: #999;
            margin-bottom: 20px;
        }

        .empty-suggestion {
            display: flex;
            justify-content: center;
            gap: 10px;
            flex-wrap: wrap;
        }

        .empty-suggestion a {
            padding: 8px 16px;
            background: #f5f5f5;
            color: #666;
            border-radius: 20px;
            font-size: 13px;
            text-decoration: none;
            transition: all 0.3s;
        }

        .empty-suggestion a:hover {
            background: linear-gradient(135deg, #5a7388, #5a7388);
            color: #fff;
        }

        /* 响应式 */
        @media (max-width: 992px) {
            .search-results {
                grid-template-columns: 1fr;
            }

            .search-sidebar {
                order: -1;
                display: grid;
                grid-template-columns: repeat(2, 1fr);
                gap: 15px;
            }

            .sidebar-card {
                margin-bottom: 0;
            }
        }

        @media (max-width: 768px) {
            .nav-container {
                display: none;
            }

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

            .navbar {
                display: none !important;
            }

            .search-hero {
                padding: 30px 20px;
                border-radius: 0;
                margin-left: -20px;
                margin-right: -20px;
                margin-bottom: 20px;
            }

            .search-hero h1 {
                font-size: 1.5rem;
            }

            .search-hero-box {
                padding: 15px;
                border-radius: 8px;
            }

            .search-form {
                flex-direction: column;
            }

            .search-btn {
                width: 100%;
            }

            .filter-row {
                flex-direction: column;
                align-items: flex-start;
                gap: 10px;
            }

            .filter-label {
                width: auto;
            }

            .result-item {
                flex-direction: column;
            }

            .result-thumb {
                width: 100%;
                height: 160px;
            }

            .search-sidebar {
                grid-template-columns: 1fr;
            }

            .pagination {
                flex-wrap: wrap;
            }

            .footer .container {
                flex-direction: column;
                gap: 15px;
                text-align: center;
            }
        }

        @media (max-width: 480px) {
            .filter-options {
                gap: 6px;
            }

            .filter-option {
                padding: 5px 10px;
                font-size: 12px;
            }
        }


@media (max-width: 480px) {
    /* 导航栏隐藏 */
    .navbar {
        display: none !important;
    }

    /* 英雄区搜索：纵向单列 */
    .hero-search {
        padding: 2rem 0.8rem 3rem;
        border-radius: 1.2rem;
        margin-top: 20px;
    }

    .hero-search h1 {
        font-size: 1.6rem;
    }

    .hero-search p {
        font-size: 0.88rem;
    }

    .search-container {
        flex-direction: column;
        background: transparent;
        box-shadow: none;
        padding: 0;
        border-radius: 0;
        gap: 0.6rem;
    }

    .search-container input {
        width: 100%;
        background: white;
        border-radius: 2rem;
        padding: 0.9rem 1.2rem;
        border: 1.5px solid rgba(255,255,255,0.4);
        box-shadow: 0 4px 12px rgba(0,0,0,0.1);
    }

    .search-container button {
        width: 100%;
        border-radius: 2rem;
        padding: 0.8rem 1.5rem;
    }

    /* 筛选条件 */
    .filter-section {
        padding: 14px;
        border-radius: 10px;
    }

    .filter-row {
        flex-direction: column;
        align-items: flex-start;
        gap: 8px;
    }

    .filter-label {
        width: auto;
    }

    .filter-options {
        gap: 5px;
    }

    .filter-option {
        padding: 5px 10px;
        font-size: 12px;
    }

    /* 结果列表 */
    .result-item {
        flex-direction: column;
        gap: 12px;
    }

    .result-thumb {
        width: 100%;
        height: 150px;
    }

    .result-title {
        font-size: 0.95rem;
    }

    .result-desc {
        font-size: 12px;
    }

    .result-tags {
        flex-wrap: wrap;
    }

    /* 侧边栏 */
    .search-sidebar {
        grid-template-columns: 1fr !important;
    }

    .sidebar-card {
        padding: 14px;
    }

    /* 热门品牌 */
    .hot-brand-item {
        padding: 10px;
    }

    /* 行业分类 */
    .category-list {
        gap: 5px;
    }

    .category-item {
        padding: 4px 8px;
        font-size: 11px;
    }

    /* 分页 */
    .pagination a,
    .pagination span {
        padding: 6px 10px;
        font-size: 12px;
    }

    /* 页脚进一步居中 */
    .footer {
        flex-direction: column;
        align-items: center;
        text-align: center;
        gap: 1rem;
        padding: 1.2rem 1rem;
    }

    .footer-links {
        gap: 10px 14px;
        justify-content: center;
    }

    .footer-links a {
        font-size: 0.75rem;
    }
}