/* 顶部导航 */
        .header {
            position: sticky;
            top: 0;
            background: linear-gradient(135deg, #e60012 0%, #b3000d 100%);
            color: white;
            padding: 12px 15px;
            z-index: 100;
            box-shadow: 0 2px 10px rgba(0, 0, 0, 0.1);
        }

        .top-bar {
            display: flex;
            justify-content: space-between;
            align-items: center;
            margin-bottom: 15px;
        }

        .logo {
            font-size: 22px;
            font-weight: bold;
            display: flex;
            align-items: center;
        }

        .logo i {
            margin-right: 8px;
            font-size: 26px;
        }

        .actions {
            display: flex;
            gap: 20px;
        }

        .actions i {
            font-size: 20px;
        }

        .search-box {
            background: white;
            border-radius: 20px;
            padding: 8px 15px;
            display: flex;
            align-items: center;
        }

        .search-box input {
            border: none;
            outline: none;
            width: 100%;
            padding: 0 10px;
            font-size: 14px;
        }

        .search-box i {
            color: #999;
        }


        /* 发现导航 */
        .discover-nav {
            display: flex;
            overflow-x: auto;
            background: white;
            padding: 15px 10px;
            box-shadow: 0 2px 5px rgba(0, 0, 0, 0.05);
            position: sticky;
            top: 60px;
            z-index: 90;
            -ms-overflow-style: none;
            scrollbar-width: none;
        }

        .discover-nav::-webkit-scrollbar {
            display: none;
        }

        .nav-item {
            padding: 8px 18px;
            border-radius: 20px;
            background: #f5f5f5;
            margin: 0 5px;
            white-space: nowrap;
            font-size: 14px;
            color: #666;
            flex-shrink: 0;
        }

        .nav-item.active {
            background: #ffe6e8;
            color: #e60012;
            font-weight: 500;
        }

        /* 内容卡片 */
        .content-section {
            padding: 15px;
        }

        .section-header {
            display: flex;
            justify-content: space-between;
            align-items: center;
            margin-bottom: 15px;
        }

        .section-title {
            font-size: 18px;
            font-weight: 700;
            position: relative;
            padding-left: 15px;
        }

        .section-title::before {
            content: '';
            position: absolute;
            left: 0;
            top: 5px;
            bottom: 5px;
            width: 4px;
            background: #e60012;
            border-radius: 2px;
        }

        .section-link {
            font-size: 13px;
            color: #999;
        }

        /* 主题卡片 */
        .theme-grid {
            display: grid;
            grid-template-columns: repeat(2, 1fr);
            gap: 12px;
            margin-bottom: 25px;
        }

        .theme-card {
            border-radius: 12px;
            overflow: hidden;
            position: relative;
            height: 180px;
            box-shadow: 0 4px 12px rgba(0, 0, 0, 0.08);
        }

        .theme-image {
            width: 100%;
            height: 100%;
            object-fit: cover;
            transition: transform 0.5s ease;
        }

        .theme-card:hover .theme-image {
            transform: scale(1.05);
        }

        .theme-overlay {
            position: absolute;
            bottom: 0;
            left: 0;
            right: 0;
            padding: 15px;
            background: linear-gradient(to top, rgba(0, 0, 0, 0.7), transparent);
            color: white;
        }

        .theme-title {
            font-size: 16px;
            font-weight: 600;
            margin-bottom: 5px;
        }

        .theme-desc {
            font-size: 12px;
            opacity: 0.9;
        }

        /* 推荐商品 */
        .product-grid {
            display: grid;
            grid-template-columns: repeat(2, 1fr);
            gap: 12px;
        }

        .product-card {
            background: white;
            border-radius: 12px;
            overflow: hidden;
            box-shadow: 0 2px 8px rgba(0, 0, 0, 0.05);
            transition: transform 0.3s;
        }

        .product-card:hover {
            transform: translateY(-5px);
            box-shadow: 0 6px 15px rgba(0, 0, 0, 0.1);
        }

        .product-image {
            height: 160px;
            position: relative;
        }

        .product-image img {
            width: 100%;
            height: 100%;
            object-fit: cover;
        }

        .product-tag {
            position: absolute;
            top: 8px;
            left: 8px;
            background: #e60012;
            color: white;
            padding: 3px 8px;
            border-radius: 3px;
            font-size: 11px;
        }

        .product-info {
            padding: 12px;
        }

        .product-title {
            font-size: 14px;
            height: 40px;
            overflow: hidden;
            margin-bottom: 8px;
            display: -webkit-box;
            -webkit-line-clamp: 2;
            -webkit-box-orient: vertical;
        }

        .product-price {
            color: #e60012;
            font-weight: 700;
            font-size: 16px;
        }

        .product-original-price {
            color: #999;
            font-size: 12px;
            text-decoration: line-through;
            margin-left: 5px;
        }

        /* 内容创作者 */
        .creator-list {
            display: flex;
            overflow-x: auto;
            gap: 15px;
            padding: 5px 0 20px;
            -ms-overflow-style: none;
            scrollbar-width: none;
        }

        .creator-list::-webkit-scrollbar {
            display: none;
        }

        .creator-card {
            flex: 0 0 120px;
            background: white;
            border-radius: 12px;
            padding: 15px;
            text-align: center;
            box-shadow: 0 2px 8px rgba(0, 0, 0, 0.05);
        }

        .creator-avatar {
            width: 60px;
            height: 60px;
            border-radius: 50%;
            margin: 0 auto 10px;
            background: #f0f0f0;
            display: flex;
            align-items: center;
            justify-content: center;
            font-size: 24px;
            color: #e60012;
            overflow: hidden;
        }

        .creator-avatar img {
            width: 100%;
            height: 100%;
            object-fit: cover;
        }

        .creator-name {
            font-weight: 500;
            margin-bottom: 5px;
        }

        .creator-followers {
            color: #999;
            font-size: 12px;
        }

        .follow-btn {
            background: #f5f5f5;
            color: #e60012;
            padding: 5px 10px;
            border-radius: 15px;
            font-size: 12px;
            margin-top: 10px;
            display: inline-block;
        }

        /* 热门话题 */
        .topic-list {
            display: grid;
            grid-template-columns: repeat(2, 1fr);
            gap: 12px;
        }

        .topic-card {
            background: white;
            border-radius: 12px;
            padding: 15px;
            box-shadow: 0 2px 8px rgba(0, 0, 0, 0.05);
        }

        .topic-header {
            display: flex;
            align-items: center;
            margin-bottom: 12px;
        }

        .topic-icon {
            width: 36px;
            height: 36px;
            border-radius: 8px;
            background: #ffe6e8;
            display: flex;
            align-items: center;
            justify-content: center;
            margin-right: 10px;
            color: #e60012;
        }

        .topic-title {
            font-weight: 500;
            font-size: 15px;
        }

        .topic-content {
            color: #666;
            font-size: 13px;
            margin-bottom: 12px;
            display: -webkit-box;
            -webkit-line-clamp: 3;
            -webkit-box-orient: vertical;
            overflow: hidden;
        }

        .topic-meta {
            display: flex;
            color: #999;
            font-size: 12px;
        }

        .topic-meta span {
            margin-right: 15px;
            display: flex;
            align-items: center;
        }

        .topic-meta i {
            margin-right: 3px;
        }

        /* 底部导航 */
        .bottom-nav {
            position: fixed;
            bottom: 0;
            left: 0;
            right: 0;
            background: white;
            display: flex;
            border-top: 1px solid #eee;
            z-index: 100;
        }

        .nav-tab {
            flex: 1;
            text-align: center;
            padding: 10px 0;
            font-size: 12px;
            color: #666;
        }

        .nav-tab.active {
            color: #e60012;
        }

        .nav-tab i {
            display: block;
            font-size: 18px;
            margin-bottom: 4px;
        }

        /* 搜索框 */
        .search-container {
            background: rgba(255, 255, 255, 0.2);
            border-radius: 25px;
            padding: 10px 15px;
            display: flex;
            align-items: center;
            margin-top: 15px;
        }

        .search-container i {
            color: rgba(255, 255, 255, 0.8);
            margin-right: 10px;
        }

        .search-container input {
            background: transparent;
            border: none;
            outline: none;
            color: white;
            width: 100%;
            font-size: 14px;
        }

        .search-container input::placeholder {
            color: rgba(255, 255, 255, 0.8);
        }

        /* 动画效果 */
        @keyframes fadeIn {
            from {
                opacity: 0;
                transform: translateY(20px);
            }

            to {
                opacity: 1;
                transform: translateY(0);
            }
        }

        .animated-card {
            animation: fadeIn 0.6s ease forwards;
            opacity: 0;
        }

        .card-1 {
            animation-delay: 0.1s;
        }

        .card-2 {
            animation-delay: 0.2s;
        }

        .card-3 {
            animation-delay: 0.3s;
        }

        .card-4 {
            animation-delay: 0.4s;
        }

        .card-5 {
            animation-delay: 0.5s;
        }

        .card-6 {
            animation-delay: 0.6s;
        }