/* 全局样式重置 */
        * {
            margin: 0;
            padding: 0;
            box-sizing: border-box;
            font-family: "Inter", "Arial", "Microsoft Yahei", sans-serif;
        }

        body {
            background: linear-gradient(180deg, #f8f9fa 0%, #e9ecef 100%);
            font-size: 14px;
            color: #333;
            line-height: 1.5;
            min-height: 100vh;
            padding: 20px 0;
        }

        /* 页面容器：限定宽度，居中显示，增加内边距 */
        .container {
            max-width: 1200px;
            margin: 0 auto;
            padding: 0 20px;
        }

        /* 头部区域：渐变文字+精致排版 */
        .header {
            padding: 30px 0;
            text-align: center;
            margin-bottom: 25px;
            position: relative;
        }

        .header::after {
            content: "";
            display: block;
            width: 80px;
            height: 3px;
            background: linear-gradient(90deg, #ff7e5f, #feb47b);
            margin: 15px auto 0;
            border-radius: 3px;
        }

        .header h1 {
            font-size: 32px;
            background: linear-gradient(90deg, #ff7e5f, #feb47b);
            -webkit-background-clip: text;
            background-clip: text;
            color: transparent;
            margin-bottom: 12px;
            font-weight: 700;
        }

        .header p {
            color: #6c757d;
            font-size: 16px;
        }

        /* 搜索区域：卡片化+阴影+圆角 */
        .search-box {
            background: #ffffff;
            padding: 25px;
            border-radius: 12px;
            margin-bottom: 30px;
            text-align: center;
            box-shadow: 0 4px 12px rgba(0, 0, 0, 0.05);
            border: 1px solid #f1f3f5;
        }

        /* 关键修复：搜索表单用flex布局，保证输入框和按钮垂直对齐 */
        .search-form {
            display: flex;
            align-items: center;
            justify-content: center;
            width: 100%;
        }

        .search-input {
            flex: 1; /* 关键：让输入框自适应剩余宽度 */
            min-width: 0; /* 解决flex布局下输入框溢出问题 */
            height: 48px;
            max-width: 550px; /* 限制PC端最大宽度 */
            padding: 0 18px;
            border: 1px solid #dee2e6;
            border-right: none;
            border-radius: 8px 0 0 8px;
            outline: none;
            font-size: 16px;
            transition: border-color 0.3s ease;
        }

        .search-input:focus {
            border-color: #ff7e5f;
        }

        .search-btn {
            flex-shrink: 0; /* 关键：防止按钮被压缩 */
            height: 48px;
            width: 110px;
            background: linear-gradient(90deg, #ff7e5f, #feb47b);
            color: #fff;
            border: none;
            border-radius: 0 8px 8px 0;
            cursor: pointer;
            font-size: 16px;
            font-weight: 500;
            transition: transform 0.2s ease;
        }

        .search-btn:hover {
            transform: translateY(-1px);
            box-shadow: 0 2px 8px rgba(255, 126, 95, 0.3);
        }

        /* 导航分类标题：增加装饰图标+间距优化 */
        .nav-category {
            font-size: 18px;
            font-weight: 600;
            margin: 25px 0 15px;
            color: #495057;
            padding-bottom: 8px;
            border-bottom: 2px solid #f1f3f5;
            position: relative;
        }

        .nav-category::after {
            content: "";
            display: inline-block;
            width: 4px;
            height: 18px;
            background: linear-gradient(180deg, #ff7e5f, #feb47b);
            position: absolute;
            left: 0;
            top: 2px;
            border-radius: 2px;
        }

        /* 导航行容器：8列布局+精致卡片 */
        .nav-row {
            display: flex;
            flex-wrap: wrap;
            margin: 0 -8px 15px;
            background: #ffffff;
            padding: 15px 0;
            border-radius: 10px;
            box-shadow: 0 2px 8px rgba(0, 0, 0, 0.03);
            border: 1px solid #f8f9fa;
        }

        /* 单个导航项：8列均分+细腻交互 */
        .nav-item {
            width: calc(100% / 8);
            padding: 0 8px;
            text-align: center;
            margin: 8px 0;
        }

        /* 导航链接：渐变背景+缩放效果 */
        .nav-item a {
            text-decoration: none;
            color: #495057;
            display: inline-block;
            padding: 8px 0;
            width: 100%;
            overflow: hidden;
            text-overflow: ellipsis;
            white-space: nowrap;
            border-radius: 6px;
            transition: all 0.3s ease;
            font-weight: 500;
        }

        .nav-item a:hover {
            color: #ffffff;
            background: linear-gradient(90deg, #ff7e5f, #feb47b);
            transform: scale(1.02);
            box-shadow: 0 2px 6px rgba(255, 126, 95, 0.2);
            text-decoration: none;
        }

        /* 页脚区域：精致排版 */
        .footer {
            margin-top: 40px;
            padding: 25px 0;
            text-align: center;
            color: #adb5bd;
            border-top: 1px solid #e9ecef;
            font-size: 13px;
        }

        /* 响应式适配：保持精致感 */
        @media (max-width: 992px) {
            .search-input {
                max-width: 450px;
            }
            .nav-item {
                width: calc(100% / 4);
            }
        }

        @media (max-width: 768px) {
            .search-input {
                max-width: none; /* 取消最大宽度限制 */
            }
            .nav-item {
                width: calc(100% / 2);
            }
            .header h1 {
                font-size: 26px;
            }
        }

        @media (max-width: 480px) {
            .search-box {
                padding: 18px;
            }
            .search-input {
                height: 42px;
                font-size: 14px;
            }
            .search-btn {
                height: 42px; /* 和输入框高度保持一致 */
                width: 90px;
                font-size: 14px;
            }
            /* 优化手机端头部内边距 */
            .header {
                padding: 20px 0;
            }
        }