/* 新的顶部header区域 */
        .main-header {
            background-color: #fff;
            padding: 12px 15px;
            display: flex;
            align-items: center;
            justify-content: space-between;
            border-bottom: 1px solid #eee;
            position: relative;
        }

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

        .logo {
            width: 40px;
            height: 40px;
            background: linear-gradient(135deg, #d4a550, #b8860b);
            border-radius: 8px;
            display: flex;
            align-items: center;
            justify-content: center;
            color: white;
            font-weight: bold;
            font-size: 20px;
        }

        .site-title {
            font-size: 20px;
            font-weight: 700;
            color: #333;
        }

        .site-title .highlight {
            color: #d4a550;
        }

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

        .header-icon {
            width: 40px;
            height: 40px;
            border-radius: 50%;
            display: flex;
            align-items: center;
            justify-content: center;
            color: #666;
            font-size: 20px;
            cursor: pointer;
            transition: all 0.3s ease;
            background-color: #f8f8f8;
        }

        .header-icon:hover {
            background-color: #f0f0f0;
            color: #d4a550;
        }

        /* 搜索弹窗样式 */
        .search-modal {
            display: none;
            position: fixed;
            top: 0;
            left: 0;
            right: 0;
            bottom: 0;
            background-color: rgba(0, 0, 0, 0.8);
            z-index: 1000;
            align-items: center;
            justify-content: center;
            padding: 20px;
        }

        .search-modal.active {
            display: flex;
        }

        .search-container {
            background-color: white;
            width: 100%;
            max-width: 450px;
            border-radius: 15px;
            padding: 20px;
            position: relative;
        }

        .search-header {
            display: flex;
            align-items: center;
            margin-bottom: 20px;
        }

        .search-input {
            flex: 1;
            padding: 12px 15px;
            border: 2px solid #eee;
            border-radius: 25px;
            font-size: 16px;
            outline: none;
            transition: border-color 0.3s;
        }

        .search-input:focus {
            border-color: #d4a550;
        }

        .search-close {
            width: 40px;
            height: 40px;
            display: flex;
            align-items: center;
            justify-content: center;
            background: none;
            border: none;
            color: #666;
            font-size: 20px;
            cursor: pointer;
            margin-left: 10px;
        }

        .search-history {
            margin-top: 20px;
        }

        .history-title {
            font-size: 16px;
            font-weight: 600;
            margin-bottom: 10px;
            color: #333;
        }

        .history-tags {
            display: flex;
            flex-wrap: wrap;
            gap: 10px;
        }

        .history-tag {
            padding: 8px 15px;
            background-color: #f8f8f8;
            border-radius: 20px;
            font-size: 14px;
            color: #666;
            cursor: pointer;
            transition: all 0.3s ease;
        }

        .history-tag:hover {
            background-color: #d4a550;
            color: white;
        }

        /* 菜单弹窗样式 - 修改为四个分类 */
        .menu-modal {
            display: none;
            position: fixed;
            top: 0;
            right: 0;
            bottom: 0;
            width: 280px;
            background-color: white;
            z-index: 1001;
            box-shadow: -2px 0 20px rgba(0, 0, 0, 0.1);
            transform: translateX(100%);
            transition: transform 0.3s ease;
        }

        .menu-modal.active {
            display: block;
            transform: translateX(0);
        }

        .menu-header {
            padding: 20px;
            background: linear-gradient(135deg, #d4a550, #b8860b);
            color: white;
        }

        .menu-close {
            position: absolute;
            top: 20px;
            right: 20px;
            background: none;
            border: none;
            color: white;
            font-size: 20px;
            cursor: pointer;
        }

        .menu-user {
            display: flex;
            align-items: center;
            gap: 15px;
        }

        .menu-avatar {
            width: 60px;
            height: 60px;
            border-radius: 50%;
            background-color: white;
            color: #d4a550;
            display: flex;
            align-items: center;
            justify-content: center;
            font-size: 24px;
            font-weight: bold;
        }

        .menu-user-info h3 {
            font-size: 18px;
            margin: 5px;
        }

        .menu-user-info p {
            font-size: 14px;
            opacity: 0.9;
        }

        .menu-content {
            padding: 20px 0;
        }

        .menu-categories {
            display: grid;
            grid-template-columns: repeat(2, 1fr);
            gap: 15px;
            padding: 0 20px 20px;
        }

        .menu-category {
            display: flex;
            flex-direction: column;
            align-items: center;
            text-decoration: none;
            color: #333;
            padding: 15px;
            border-radius: 10px;
            background-color: #f8f8f8;
            transition: all 0.3s ease;
        }

        .menu-category:hover {
            background-color: #d4a550;
            color: white;
            transform: translateY(-3px);
        }

        .menu-category:hover .menu-category-icon {
            background-color: white;
            color: #d4a550;
        }

        .menu-category-icon {
            width: 50px;
            height: 50px;
            border-radius: 50%;
            background-color: #eee;
            display: flex;
            align-items: center;
            justify-content: center;
            margin-bottom: 10px;
            font-size: 22px;
            transition: all 0.3s ease;
        }

        .menu-category-name {
            font-size: 14px;
            font-weight: 600;
        }

        .menu-divider {
            height: 1px;
            background-color: #eee;
            margin: 10px 20px;
        }

        /* 移除原来的导航栏样式 */
        .navbar {
            display: none;
        }