/* CSS变量定义 */
.flex{
    display: flex;
}
.items-center{
    align-items: center;
}
.justify-between{
    justify-content: space-between;
}
.hand{
    cursor: pointer;
}
.section-title-small{
    font-size: 22px; 
}
.home-section-1-product-item{
    padding: 0px !important;
}
.home-section-1-product-item img{
    width: 100% !important;
    height: 100% !important;
    object-fit: cover;
}
#app{
    padding:0;
}
:root {
    --primary-color: #ff6900;
    --secondary-color: #333;
    --light-color: #f8f9fa;
    --dark-color: #333;
    --danger-color: #dc3545;
    --success-color: #28a745;
    --warning-color: #ffc107;
    --info-color: #17a2b8;
}

/* 基础样式重置 */
* {
    margin: 0;
    padding: 0;
    box-sizing: border-box;
}

body {
    font-family: 'Segoe UI', Tahoma, Geneva, Verdana, sans-serif;
    line-height: 1.6;
    color: #333;
}

/* Header Top 样式 */
.header-top {
    background: #f8f9fa;
    padding: 8px 0;
    font-size: 14px;
    border-bottom: 1px solid #e9ecef;
}

.header-top a {
    color: #666;
    text-decoration: none;
    margin-left: 15px;
    transition: color 0.3s;
}

.header-top a:hover {
    color: var(--primary-color);
}

/* Main Header 样式 */
.main-header {
    background: white;
    padding: 15px 0;
    box-shadow: 0 2px 10px rgba(0, 0, 0, 0.1);
    position: sticky;
    top: 0;
    z-index: 1000;
}

.navbar-brand {
    font-size: 1.8rem;
    font-weight: bold;
    color: var(--primary-color) !important;
    text-decoration: none;
}

.search-form {
    position: relative;
}

.search-form .form-control {
    border: 2px solid #e9ecef;
    border-radius: 25px 0 0 25px;
    padding: 12px 20px;
    font-size: 16px;
    border-right: none;
}

.search-form .form-control:focus {
    border-color: var(--primary-color);
    box-shadow: none;
}

.search-form .btn {
    background: var(--primary-color);
    color: white;
    border: 2px solid var(--primary-color);
    border-radius: 0 25px 25px 0;
    padding: 12px 20px;
    border-left: none;
}

.search-form .btn:hover {
    background: #e55a00;
    border-color: #e55a00;
}

.header-actions {
    display: flex;
    align-items: center;
    gap: 20px;
}

.header-action {
    display: flex;
    align-items: center;
    color: #333;
    text-decoration: none;
    padding: 10px 15px;
    border-radius: 5px;
    transition: all 0.3s;
    position: relative;
}

.header-action:hover {
    background: var(--light-color);
    color: var(--primary-color);
}

.cart-count {
    position: absolute;
    top: -5px;
    right: 5px;
    background: var(--primary-color);
    color: white;
    border-radius: 50%;
    width: 20px;
    height: 20px;
    font-size: 12px;
    display: flex;
    align-items: center;
    justify-content: center;
}

/* Main Navigation 样式 */
.main-nav {
    background: var(--secondary-color);
    padding: 0;
}

.nav-categories {
    background: var(--primary-color);
    color: white;
    border: none;
    padding: 15px 20px;
    width: 100%;
    text-align: left;
    display: flex;
    align-items: center;
    justify-content: space-between;
    font-weight: 500;
    border-radius: 0;
}

.nav-categories:hover {
    background: #e55a00;
    color: white;
}

.categories-dropdown {
    position: absolute;
    top: 100%;
    left: 0;
    right: 0;
    background: white;
    border: 1px solid #e9ecef;
    border-top: none;
    border-radius: 0 0 10px 10px;
    box-shadow: 0 5px 15px rgba(0, 0, 0, 0.1);
    z-index: 1000;
    display: none;
    max-height: 400px;
    overflow-y: auto;
}

.nav-categories:hover + .categories-dropdown,
.categories-dropdown:hover {
    display: block;
}

.category-dropdown-item {
    display: flex;
    align-items: center;
    padding: 12px 20px;
    color: #333;
    text-decoration: none;
    border-bottom: 1px solid #f8f9fa;
    transition: all 0.3s;
}

.category-dropdown-item:hover {
    background: var(--light-color);
    color: var(--primary-color);
    padding-left: 25px;
}

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

.item-count {
    margin-left: auto;
    background: var(--light-color);
    color: #666;
    padding: 2px 8px;
    border-radius: 10px;
    font-size: 12px;
}

.navbar-nav {
    display: flex;
    align-items: center;
    margin: 0;
    padding: 0;
    list-style: none;
}

.nav-link {
    color: white !important;
    padding: 15px 20px;
    text-decoration: none;
    transition: all 0.3s; 
}

.nav-link:hover ,.nav-link-active{
    background: rgba(255, 255, 255, 0.1);
    border-bottom-color: var(--primary-color);
}

/* Hero Section 样式 */
.hero-section {
    background: linear-gradient(135deg, #667eea 0%, #764ba2 100%);
    padding: 80px 0;
    color: white;
}

.hero-content h1 {
    font-size: 3rem;
    font-weight: bold;
    margin-bottom: 20px;
    line-height: 1.2;
}

.hero-content p {
    font-size: 1.2rem;
    margin-bottom: 30px;
    opacity: 0.9;
}

.btn-hero {
    background: var(--primary-color);
    color: white;
    padding: 15px 30px;
    border: none;
    border-radius: 25px;
    font-size: 1.1rem;
    font-weight: 600;
    text-decoration: none;
    display: inline-block;
    transition: all 0.3s;
    box-shadow: 0 4px 15px rgba(255, 105, 0, 0.3);
}

.btn-hero:hover {
    background: #e55a00;
    transform: translateY(-2px);
    box-shadow: 0 6px 20px rgba(255, 105, 0, 0.4);
    color: white;
}

/* Section Headers 样式 */
.section-header {
    text-align: center;
    margin-bottom: 50px;
}

.section-title {
    font-size: 2.5rem;
    font-weight: bold;
    color: #333;
    margin-bottom: 15px;
}

.section-subtitle {
    font-size: 1.1rem;
    color: #666;
    max-width: 600px;
    margin: 0 auto;
}

/* Product Cards 样式 */
.product-card {
    background: white;
    border-radius: 15px;
    overflow: hidden;
    box-shadow: 0 5px 20px rgba(0, 0, 0, 0.1);
    transition: all 0.3s ease;
    margin-bottom: 30px;
}

.product-card:hover {
    transform: translateY(-10px);
    box-shadow: 0 15px 40px rgba(0, 0, 0, 0.15);
}

.product-image {
    position: relative;
    overflow: hidden;
    height: 250px;
}

.product-image img {
    width: 100%;
    height: 100%;
    object-fit: cover;
    transition: transform 0.3s ease;
}

.product-card:hover .product-image img {
    transform: scale(1.1);
}

.product-badge {
    position: absolute;
    top: 15px;
    left: 15px;
    background: var(--primary-color);
    color: white;
    padding: 5px 12px;
    border-radius: 20px;
    font-size: 0.8rem;
    font-weight: 600;
}

.product-badge.hot {
    background: var(--danger-color);
}

.product-actions {
    position: absolute;
    top: 15px;
    right: 15px;
    display: flex;
    flex-direction: column;
    gap: 10px;
    opacity: 0;
    transition: opacity 0.3s;
}

.product-card:hover .product-actions {
    opacity: 1;
}

.product-action {
    width: 40px;
    height: 40px;
    background-color: white;
    border: none;
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    box-shadow: 0 2px 5px rgba(0, 0, 0, 0.1);
    transition: all 0.3s;
    cursor: pointer;
}

.product-action:hover {
    background-color: var(--primary-color);
    color: white;
}

.product-info {
    padding: 20px;
}

.product-title {
    font-size: 16px;
    font-weight: 500;
    margin-bottom: 10px;
    height: 48px;
    overflow: hidden;
    display: -webkit-box;
    -webkit-line-clamp: 2;
    -webkit-box-orient: vertical;
}

.product-title a {
    color: #333;
    text-decoration: none;
}

.product-title a:hover {
    color: var(--primary-color);
}

.product-rating {
    margin-bottom: 10px;
}

.product-rating .stars {
    color: #ffc107;
    margin-right: 5px;
}

.product-rating .rating-count {
    color: #666;
    font-size: 14px;
}

.product-price {
    display: flex;
    align-items: center;
    gap: 10px;
    margin-bottom: 15px;
}

.current-price {
    font-size: 18px;
    font-weight: bold;
    color: var(--primary-color);
}

.old-price {
    font-size: 14px;
    color: #999;
    text-decoration: line-through;
}

.discount {
    background-color: var(--danger-color);
    color: white;
    padding: 2px 8px;
    border-radius: 10px;
    font-size: 12px;
}

.add-to-cart {
    width: 100%;
    background-color: var(--primary-color);
    color: white;
    border: none;
    padding: 12px;
    border-radius: 5px;
    font-weight: bold;
    transition: all 0.3s;
    cursor: pointer;
}

.add-to-cart:hover {
    background-color: #e55a00;
    transform: translateY(-1px);
}

/* Bootstrap Icons 样式 */
.bi {
    font-size: 1em;
    line-height: 1;
    vertical-align: middle;
}

/* 搜索按钮图标 */
.btn .bi-search {
    font-size: 16px;
}

/* 头部操作图标 */
.header-action .bi {
    font-size: 18px;
    margin-right: 5px;
}

/* 分类菜单图标 */
.category-dropdown-item .bi {
    font-size: 16px;
    margin-right: 10px;
    width: 20px;
    text-align: center;
}

/* 商品操作图标 */
.product-action .bi {
    font-size: 16px;
}

/* 评分星星图标 */
.stars .bi {
    color: #ffc107;
    font-size: 14px;
}

.stars .bi-star {
    color: #e9ecef;
}

/* 购物车按钮图标 */
.add-to-cart .bi {
    font-size: 16px;
}


.home-products-grid .product-item{
    padding: 55px;
}
/* 导航分类按钮图标 */
.nav-categories .bi {
    font-size: 16px;
}

/* 厨房电器横幅 */
.home-banner-top {
    padding: 20px 0;
    background-color: #fff;
}

.home-banner-top img {
    width: 100%;
    max-width: 1226px;
    height: auto;
    border-radius: 8px;
    display: block;
    margin: 0 auto;
}

/* 厨房电器区域样式 */
.home-appliances {
    padding: 40px 0;
    background-color: #f8f9fa;
}

.home-appliances .section-header {
    text-align: center;
    margin-bottom: 30px;
}

.home-appliances .section-header h2 {
    font-size: 2rem;
    font-weight: 600;
    color: var(--primary-color);
    margin-bottom: 10px;
}

/* 主要内容区域 */
.home-main-content {
    display: flex;
    gap: 20px;
    align-items: flex-start;
    max-width: 1200px;
    margin: 0 auto;
}

/* 左侧大图 */
.home-left-banner {
    flex: 0 0 234px;
}

.home-left-banner img {
    width: 100%;
    height: auto;
    border-radius: 8px;
}

/* 右侧商品网格 */
.home-products-grid {
    flex: 1;
}

.products-row {
    display: flex;
    justify-content: space-between;
    gap: 15px;
    margin-bottom: 20px;
}

.products-row:last-child {
    margin-bottom: 0;
}

.product-item {
    background: white;
    border-radius: 8px;
    padding: 15px;
    text-align: center;
    box-shadow: 0 2px 10px rgba(0,0,0,0.1);
    transition: transform 0.3s ease;
    flex: 1;
    min-width: 0;
}

.product-item:hover {
    transform: translateY(-5px);
}

.product-item img {
    width: 100%;
    height: 120px;
    object-fit: cover;
    border-radius: 6px;
    margin-bottom: 10px;
}

.product-item h4 {
    font-size: 0.95rem;
    margin-bottom: 8px;
    color: #333;
    line-height: 1.3;
}

.product-item .price {
    font-size: 1.1rem;
    font-weight: 600;
    color: var(--primary-color);
    margin: 0;
}

/* 简单页脚样式 */
.simple-footer {
    background: #333;
    color: white;
    text-align: center;
    padding: 20px 0;
    margin-top: 40px;
}

.simple-footer p {
    margin: 0;
    font-size: 14px;
}

/* 响应式设计 */
@media (max-width: 768px) {
    .home-main-content {
        flex-direction: column;
        max-width: 100%;
    }
    
    .home-left-banner {
        flex: none;
        margin-bottom: 20px;
    }
    
    .products-row {
        flex-wrap: wrap;
        gap: 10px;
    }
    
    .product-item {
        flex: 1 1 calc(50% - 5px);
        min-width: calc(50% - 5px);
        margin-bottom: 15px;
    }
}

.product-card:hover .product-actions {
    opacity: 1;
}

.product-action {
    width: 40px;
    height: 40px;
    background-color: white;
    border: none;
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    box-shadow: 0 2px 5px rgba(0, 0, 0, 0.1);
    transition: all 0.3s;
}

.product-action:hover {
    background-color: var(--primary-color);
    color: white;
}

.product-info {
    padding: 20px;
}

.product-title {
    font-size: 16px;
    font-weight: 500;
    margin-bottom: 10px;
    height: 48px;
    overflow: hidden;
    display: -webkit-box;
    -webkit-line-clamp: 2;
    -webkit-box-orient: vertical;
}

.product-title a {
    color: #333;
    text-decoration: none;
}

.product-title a:hover {
    color: var(--primary-color);
}

.product-rating {
    margin-bottom: 10px;
}

.product-rating .stars {
    color: #ffc107;
    margin-right: 5px;
}

.product-rating .rating-count {
    color: #666;
    font-size: 14px;
}

.product-price {
    display: flex;
    align-items: center;
    gap: 10px;
    margin-bottom: 15px;
}

.current-price {
    font-size: 18px;
    font-weight: bold;
    color: var(--primary-color);
}

.old-price {
    font-size: 14px;
    color: #999;
    text-decoration: line-through;
}

.discount {
    background-color: var(--danger-color);
    color: white;
    padding: 2px 8px;
    border-radius: 10px;
    font-size: 12px;
}

.add-to-cart {
    width: 100%;
    background-color: var(--primary-color);
    color: white;
    border: none;
    padding: 12px;
    border-radius: 5px;
    font-weight: bold;
    transition: all 0.3s;
}

.add-to-cart:hover {
    background-color: #e55a00;
    transform: translateY(-1px);
}

/* Section Titles */
.section-header {
    text-align: center;
    margin-bottom: 50px;
}

.section-title {
    font-size: 2.5rem;
    font-weight: bold;
    color: #333;
    margin-bottom: 15px;
}

.section-subtitle {
    font-size: 1.1rem;
    color: #666;
    max-width: 600px;
    margin: 0 auto;
}

/* Categories Grid */
.category-card {
    background: white;
    border-radius: 10px;
    padding: 30px 20px;
    text-align: center;
    box-shadow: 0 2px 10px rgba(0, 0, 0, 0.1);
    transition: all 0.3s;
    margin-bottom: 30px;
}

.category-card:hover {
    transform: translateY(-5px);
    box-shadow: 0 10px 25px rgba(0, 0, 0, 0.15);
}

.category-icon {
    width: 80px;
    height: 80px;
    background-color: var(--light-color);
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    margin: 0 auto 20px;
    font-size: 2rem;
    color: #FF324D;
    transition: all 0.3s;
}

.category-card:hover .category-icon {
    background-color: #FF324D;
    color: white;
    transform: scale(1.1);
}

.category-name {
    font-size: 1.1rem;
    font-weight: 600;
    color: #333;
    margin-bottom: 10px;
}

.category-count {
    color: #666;
    font-size: 14px;
}

/* Responsive */
@media (max-width: 768px) {
    .hero-content h1 {
        font-size: 2rem;
    }

    .section-title {
        font-size: 2rem;
    }

    .header-actions {
        gap: 10px;
    }

    .search-form {
        margin: 20px 0;
    }

    .header-top {
        display: none;
    }

    .main-header .navbar-brand {
        font-size: 1.2rem;
    }

    .nav-categories {
        font-size: 0.9rem;
        padding: 8px 12px;
    }

    .navbar-nav .nav-link {
        font-size: 0.9rem;
        padding: 8px 12px;
    }

    /* 移动端分类下拉菜单优化 */
    .categories-dropdown {
        width: 100vw;
        left: -15px;
        border-radius: 0;
    }

    .category-dropdown-item {
        padding: 10px 15px;
        font-size: 14px;
    }

    .category-dropdown-item:hover {
        padding-left: 20px;
    }

    .category-dropdown-item i {
        font-size: 14px;
        margin-right: 10px;
    }

    .category-dropdown-item .item-count {
        font-size: 11px;
        padding: 1px 6px;
    }

    .hero-content {
        text-align: center;
        padding: 2rem 0;
    }

    .hero-content p {
        font-size: 0.9rem;
    }

    .section-header {
        text-align: center;
        margin-bottom: 2rem;
    }

    .section-subtitle {
        font-size: 0.9rem;
    }

    .category-card {
        margin-bottom: 1rem;
    }

    .product-card {
        margin-bottom: 2rem;
    }

    .product-title {
        font-size: 1rem;
    }

    .product-price {
        font-size: 0.9rem;
    }

    .add-to-cart {
        font-size: 0.9rem;
        padding: 8px 16px;
    }
}

@media (max-width: 576px) {
    .hero-content h1 {
        font-size: 1.5rem;
    }

    .section-title {
        font-size: 1.5rem;
    }

    .main-header .container {
        padding: 0 15px;
    }

    .search-form .form-control {
        font-size: 14px;
    }

    .header-actions .header-action {
        padding: 8px;
    }

    .header-actions .header-action span {
        display: none !important;
    }

    .nav-categories {
        width: 100%;
        margin-bottom: 10px;
    }

    .navbar-nav {
        flex-wrap: wrap;
        justify-content: center;
    }

    .navbar-nav .nav-link {
        padding: 6px 10px;
        font-size: 0.85rem;
    }

    .hero-content {
        padding: 1.5rem 0;
    }

    .hero-content h1 {
        margin-bottom: 1rem;
    }

    .hero-content p {
        font-size: 0.85rem;
        margin-bottom: 1.5rem;
    }

    .btn-hero {
        font-size: 0.9rem;
        padding: 10px 20px;
    }

    .category-icon {
        width: 50px;
        height: 50px;
        font-size: 1.5rem;
        line-height: 50px;
    }

    .category-name {
        font-size: 0.9rem;
    }

    .category-count {
        font-size: 0.8rem;
    }

    .product-image {
        height: 200px;
    }

    .product-badge {
        font-size: 0.7rem;
        padding: 2px 6px;
    }

    .product-actions {
        gap: 5px;
    }

    .product-action {
        width: 30px;
        height: 30px;
        font-size: 0.8rem;
    }

    .product-title {
        font-size: 0.9rem;
    }

    .product-rating .stars {
        font-size: 0.8rem;
    }

    .rating-count {
        font-size: 0.8rem;
    }

    .current-price {
        font-size: 1rem;
    }

    .old-price {
        font-size: 0.8rem;
    }

    .discount {
        font-size: 0.7rem;
    }

    .add-to-cart {
        font-size: 0.8rem;
        padding: 6px 12px;
    }
}

.footer {
    background: linear-gradient(135deg, #2c3e50 0%, #34495e 100%);
}

.footer-title {
    color: #fff;
    font-size: 1.2rem;
    font-weight: 600;
    margin-bottom: 1rem;
    border-bottom: 2px solid #FF324D;
    padding-bottom: 0.5rem;
    display: inline-block;
}

.footer-text {
    color: #bdc3c7;
    font-size: 0.9rem;
    line-height: 1.6;
    margin-bottom: 1rem;
}

.footer-links {
    list-style: none;
    padding: 0;
    margin: 0;
}

.footer-links li {
    margin-bottom: 0.5rem;
}

.footer-links a {
    color: #bdc3c7;
    text-decoration: none;
    font-size: 0.9rem;
    transition: color 0.3s ease;
}

.footer-links a:hover {
    color: #FF324D;
}

.social-links {
    margin-top: 1rem;
}

.social-link {
    display: inline-block;
    width: 40px;
    height: 40px;
    background: #34495e;
    color: #fff;
    text-align: center;
    line-height: 40px;
    border-radius: 50%;
    transition: all 0.3s ease;
    text-decoration: none;
}

.social-link:hover {
    background: #FF324D;
    color: #fff;
    transform: translateY(-2px);
}

.contact-info p {
    color: #bdc3c7;
    font-size: 0.9rem;
    margin-bottom: 0.5rem;
}

.contact-info i {
    color: #FF324D;
    width: 20px;
}

.footer-divider {
    border-color: #34495e;
    margin: 2rem 0 1rem 0;
}

.copyright {
    color: #bdc3c7;
    font-size: 0.9rem;
}

.payment-methods {
    color: #bdc3c7;
    font-size: 0.9rem;
}

.payment-methods i {
    font-size: 1.5rem;
    color: #bdc3c7;
    transition: color 0.3s ease;
}

.payment-methods i:hover {
    color: #FF324D;
}

/* Mobile Responsive */
@media (max-width: 768px) {
    .footer {
        padding: 3rem 0 2rem 0;
    }

    .footer-title {
        font-size: 1.1rem;
    }

    .footer-text,
    .footer-links a,
    .contact-info p,
    .copyright,
    .payment-methods {
        font-size: 0.85rem;
    }

    .social-link {
        width: 35px;
        height: 35px;
        line-height: 35px;
        margin-right: 0.5rem;
    }

    .payment-methods {
        text-align: center !important;
        margin-top: 1rem;
    }

    .payment-methods i {
        font-size: 1.3rem;
    }
}

@media (max-width: 576px) {
    .footer {
        padding: 2rem 0 1.5rem 0;
    }

    .footer .col-lg-3 {
        margin-bottom: 2rem;
    }

    .footer-title {
        font-size: 1rem;
    }

    .social-link {
        width: 32px;
        height: 32px;
        line-height: 32px;
    }
}

/* 横幅广告区域样式 */
.promotional-banners {
    background: #f8f9fa;
    padding: 40px 0;
}

.main-banner {
    position: relative;
    border-radius: 12px;
    overflow: hidden;
    box-shadow: 0 4px 20px rgba(0, 0, 0, 0.1);
    transition: transform 0.3s ease;
    margin-bottom: 20px;
}

.main-banner:hover {
    transform: translateY(-5px);
}

.main-banner img {
    width: 100%;
    height: 300px;
    object-fit: cover;
}

.banner-overlay {
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    background: linear-gradient(135deg, rgba(0, 0, 0, 0.6) 0%, rgba(0, 0, 0, 0.2) 100%);
    display: flex;
    align-items: center;
    padding: 30px;
}

.banner-content h2 {
    color: white;
    font-size: 2.5rem;
    font-weight: bold;
    margin-bottom: 15px;
    text-shadow: 2px 2px 4px rgba(0, 0, 0, 0.5);
}

.banner-content p {
    color: white;
    font-size: 1.2rem;
    margin-bottom: 20px;
    text-shadow: 1px 1px 2px rgba(0, 0, 0, 0.5);
}

.banner-btn {
    background: var(--primary-color);
    color: white;
    padding: 12px 30px;
    border: none;
    border-radius: 25px;
    font-size: 1.1rem;
    font-weight: 600;
    text-decoration: none;
    display: inline-block;
    transition: all 0.3s ease;
    box-shadow: 0 4px 15px rgba(255, 105, 0, 0.3);
}

.banner-btn:hover {
    background: #e55a00;
    transform: translateY(-2px);
    box-shadow: 0 6px 20px rgba(255, 105, 0, 0.4);
    color: white;
}

.side-banner {
    border-radius: 8px;
    overflow: hidden;
    box-shadow: 0 2px 10px rgba(0, 0, 0, 0.1);
    transition: transform 0.3s ease;
    margin-bottom: 15px;
}

.side-banner:hover {
    transform: translateY(-3px);
}

.side-banner img {
    width: 100%;
    height: 140px;
    object-fit: cover;
}

/* 品牌展示区域样式 */
.brand-showcase {
    background: white;
    padding: 60px 0;
}

.section-title {
    text-align: center;
    margin-bottom: 50px;
}

.section-title h2 {
    font-size: 2.5rem;
    font-weight: bold;
    color: var(--dark-color);
    margin-bottom: 15px;
}

.section-title p {
    font-size: 1.1rem;
    color: #666;
    max-width: 600px;
    margin: 0 auto;
}

.brand-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(200px, 1fr));
    gap: 30px;
    margin-top: 40px;
}

.brand-item {
    background: white;
    border-radius: 12px;
    padding: 30px 20px;
    text-align: center;
    box-shadow: 0 5px 20px rgba(0, 0, 0, 0.08);
    transition: all 0.3s ease;
    border: 1px solid #f0f0f0;
}

.brand-item:hover {
    transform: translateY(-10px);
    box-shadow: 0 15px 40px rgba(0, 0, 0, 0.15);
    border-color: var(--primary-color);
}

.brand-logo {
    width: 80px;
    height: 80px;
    margin: 0 auto 20px;
    background: #f8f9fa;
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 2rem;
    font-weight: bold;
    color: var(--primary-color);
}

.brand-item h4 {
    font-size: 1.3rem;
    font-weight: 600;
    color: var(--dark-color);
    margin-bottom: 10px;
}

.brand-item p {
    color: #666;
    font-size: 0.9rem;
    line-height: 1.5;
}

/* 特色商品推荐区域样式 */
.featured-products {
    background: linear-gradient(135deg, #667eea 0%, #764ba2 100%);
    padding: 80px 0;
    color: white;
}

.featured-products .section-title h2,
.featured-products .section-title p {
    color: white;
}

.product-showcase {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(280px, 1fr));
    gap: 30px;
    margin-top: 50px;
}

.product-card {
    background: white;
    border-radius: 15px;
    overflow: hidden;
    box-shadow: 0 10px 30px rgba(0, 0, 0, 0.2);
    transition: all 0.3s ease;
}

.product-card:hover {
    transform: translateY(-10px);
    box-shadow: 0 20px 50px rgba(0, 0, 0, 0.3);
}

.product-image {
    position: relative;
    overflow: hidden;
}

.product-image img {
    width: 100%;
    height: 220px;
    object-fit: cover;
    transition: transform 0.3s ease;
}

.product-card:hover .product-image img {
    transform: scale(1.1);
}

.product-badge {
    position: absolute;
    top: 15px;
    left: 15px;
    background: var(--primary-color);
    color: white;
    padding: 5px 12px;
    border-radius: 20px;
    font-size: 0.8rem;
    font-weight: 600;
}

.product-info {
    padding: 25px;
}

.product-info h4 {
    font-size: 1.3rem;
    font-weight: 600;
    color: var(--dark-color);
    margin-bottom: 10px;
    line-height: 1.4;
}

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

.current-price {
    font-size: 1.5rem;
    font-weight: bold;
    color: var(--primary-color);
}

.original-price {
    font-size: 1rem;
    color: #999;
    text-decoration: line-through;
}

.product-rating {
    display: flex;
    align-items: center;
    margin-bottom: 15px;
}

.stars {
    color: #ffc107;
    margin-right: 10px;
}

.rating-text {
    color: #666;
    font-size: 0.9rem;
}

.add-to-cart {
    width: 100%;
    background: var(--primary-color);
    color: white;
    border: none;
    padding: 12px;
    border-radius: 8px;
    font-weight: 600;
    transition: all 0.3s ease;
}

.add-to-cart:hover {
    background: #e55a00;
    transform: translateY(-2px);
}

/* 移动端响应式设计 */
@media (max-width: 768px) {
    .promotional-banners {
        padding: 20px 0;
    }

    .main-banner img {
        height: 200px;
    }

    .banner-content h2 {
        font-size: 1.8rem;
    }

    .banner-content p {
        font-size: 1rem;
    }

    .side-banner img {
        height: 120px;
    }

    .brand-showcase {
        padding: 40px 0;
    }

    .section-title h2 {
        font-size: 2rem;
    }

    .brand-grid {
        grid-template-columns: repeat(auto-fit, minmax(150px, 1fr));
        gap: 20px;
    }

    .brand-item {
        padding: 20px 15px;
    }

    .brand-logo {
        width: 60px;
        height: 60px;
        font-size: 1.5rem;
    }

    .featured-products {
        padding: 50px 0;
    }

    .product-showcase {
        grid-template-columns: repeat(auto-fit, minmax(250px, 1fr));
        gap: 20px;
    }

    .product-image img {
        height: 180px;
    }

    .product-info {
        padding: 20px;
    }
}