/* 主页特定样式 */
.hero {
    background: linear-gradient(rgba(0, 0, 0, 0.5), rgba(0, 0, 0, 0.5)), url('https://images.unsplash.com/photo-1556742049-0cfed4f6a45d?ixlib=rb-4.0.3&auto=format&fit=crop&w=1920&q=80') no-repeat center center/cover;
    color: white;
    text-align: center;
    padding: 220px 0;
    min-height: 800px;
    display: flex;
    align-items: center;
}

.hero-content {
    max-width: 800px;
    margin: 0 auto;
}

.hero h1 {
    font-size: 58px;
    margin-bottom: 25px;
    font-weight: bold;
    text-shadow: 2px 2px 4px rgba(0,0,0,0.5);
}

.hero p {
    font-size: 24px;
    margin-bottom: 35px;
    max-width: 700px;
    margin-left: auto;
    margin-right: auto;
    line-height: 1.6;
    text-shadow: 1px 1px 2px rgba(0,0,0,0.5);
}

/* 轮播图样式 */
.carousel {
    position: relative;
    width: 100%;
    height: 800px;
    overflow: hidden;
    margin-bottom: 60px;
}

.carousel-slides {
    display: flex;
    transition: transform 0.5s ease-in-out;
    height: 100%;
}

.carousel-slide {
    min-width: 100%;
    height: 100%;
    background-size: cover;
    background-position: center;
    display: flex;
    align-items: center;
    justify-content: center;
    color: white;
    text-align: center;
    position: relative;
}

.carousel-slide::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    background: linear-gradient(rgba(0, 0, 0, 0.4), rgba(0, 0, 0, 0.4));
}

.slide-content {
    position: relative;
    z-index: 2;
    max-width: 800px;
    padding: 0 20px;
}

.slide-content h2 {
    font-size: 58px;
    margin-bottom: 25px;
    font-weight: bold;
    text-shadow: 2px 2px 4px rgba(0,0,0,0.5);
}

.slide-content p {
    font-size: 24px;
    margin-bottom: 35px;
    text-shadow: 1px 1px 2px rgba(0,0,0,0.5);
}

.carousel-btn {
    position: absolute;
    top: 50%;
    transform: translateY(-50%);
    background: rgba(255, 255, 255, 0.3);
    border: none;
    color: white;
    font-size: 24px;
    padding: 15px;
    cursor: pointer;
    transition: all 0.3s;
    z-index: 3;
    border-radius: 50%;
    width: 50px;
    height: 50px;
    display: flex;
    align-items: center;
    justify-content: center;
}

.carousel-btn:hover {
    background: rgba(255, 255, 255, 0.5);
    transform: translateY(-50%) scale(1.1);
}

.carousel-prev {
    left: 20px;
}

.carousel-next {
    right: 20px;
}

.carousel-indicators {
    position: absolute;
    bottom: 25px;
    left: 50%;
    transform: translateX(-50%);
    display: flex;
    gap: 10px;
    z-index: 3;
}

.carousel-indicator {
    width: 14px;
    height: 14px;
    border-radius: 50%;
    background: rgba(255, 255, 255, 0.5);
    border: none;
    cursor: pointer;
    transition: all 0.3s;
}

.carousel-indicator.active {
    background: white;
    transform: scale(1.2);
}

/* 产品分类区域 */
.categories {
    padding: 80px 0;
    background: linear-gradient(135deg, #f8f9fa 0%, #e9ecef 100%);
}

.categories-grid {
    display: grid;
    grid-template-columns: repeat(4, 1fr);
    gap: 30px;
}

.category-card {
    background: white;
    border-radius: 16px;
    overflow: hidden;
    box-shadow: 0 10px 30px rgba(0, 0, 0, 0.08);
    transition: all 0.4s cubic-bezier(0.175, 0.885, 0.32, 1.275);
    text-align: center;
    position: relative;
}

.category-card:hover {
    transform: translateY(-12px) scale(1.02);
    box-shadow: 0 20px 40px rgba(0, 0, 0, 0.15);
}

.category-card::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    height: 4px;
    background: linear-gradient(90deg, #333, #666);
    transform: scaleX(0);
    transition: transform 0.3s;
}

.category-card:hover::before {
    transform: scaleX(1);
}

.category-image {
    height: 220px;
    background: linear-gradient(135deg, #667eea 0%, #764ba2 100%);
    display: flex;
    align-items: center;
    justify-content: center;
    overflow: hidden;
    position: relative;
}

.category-image img {
    width: 100%;
    height: 100%;
    object-fit: cover;
    transition: transform 0.4s;
}

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

.category-info {
    padding: 25px 20px;
    position: relative;
}

.category-info h3 {
    font-size: 20px;
    margin-bottom: 10px;
    color: #333;
    font-weight: 600;
}

.category-info p {
    color: #666;
    margin-bottom: 15px;
    font-size: 14px;
    line-height: 1.5;
}

/* 产品卡片样式 */
.featured-products {
    padding: 80px 0;
    background: white;
}

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

.section-title h2 {
    font-size: 36px;
    color: #333;
    margin-bottom: 15px;
    font-weight: 700;
}

.section-title p {
    font-size: 18px;
    color: #666;
    max-width: 600px;
    margin: 0 auto;
    line-height: 1.6;
}

.products-grid {
    display: grid;
    grid-template-columns: repeat(4, 1fr);
    gap: 30px;
}

.product-card {
    background: white;
    border-radius: 16px;
    overflow: hidden;
    box-shadow: 0 8px 25px rgba(0, 0, 0, 0.08);
    transition: all 0.4s cubic-bezier(0.175, 0.885, 0.32, 1.275);
    position: relative;
    display: flex;
    flex-direction: column;
    height: 100%;
}

.product-card:hover {
    transform: translateY(-10px);
    box-shadow: 0 20px 40px rgba(0, 0, 0, 0.15);
}

.product-image {
    height: 250px;
    background: #f8f9fa;
    display: flex;
    align-items: center;
    justify-content: center;
    overflow: hidden;
    position: relative;
    cursor: pointer;
}

.product-image img {
    width: 100%;
    height: 100%;
    object-fit: cover;
    transition: transform 0.4s;
}

.product-card:hover .product-image img {
    transform: scale(1.08);
}

.quick-view-btn {
    position: absolute;
    top: 50%;
    left: 50%;
    transform: translate(-50%, -50%) scale(0.8);
    background: rgba(255, 255, 255, 0.95);
    border: none;
    padding: 12px 24px;
    border-radius: 25px;
    font-weight: 600;
    color: #333;
    cursor: pointer;
    opacity: 0;
    transition: all 0.3s;
    backdrop-filter: blur(10px);
    box-shadow: 0 5px 15px rgba(0,0,0,0.1);
}

.product-image:hover .quick-view-btn {
    opacity: 1;
    transform: translate(-50%, -50%) scale(1);
}

.product-badge {
    position: absolute;
    top: 15px;
    left: 15px;
    background: #e74c3c;
    color: white;
    padding: 5px 12px;
    border-radius: 12px;
    font-size: 12px;
    font-weight: 600;
}

.product-actions {
    position: absolute;
    top: 15px;
    right: 15px;
    display: flex;
    flex-direction: column;
    gap: 8px;
    opacity: 0;
    transition: opacity 0.3s;
}

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

.action-btn {
    width: 36px;
    height: 36px;
    border-radius: 50%;
    border: none;
    background: white;
    color: #333;
    cursor: pointer;
    transition: all 0.3s;
    display: flex;
    align-items: center;
    justify-content: center;
    box-shadow: 0 2px 10px rgba(0,0,0,0.1);
}

.action-btn:hover {
    background: #e74c3c;
    color: white;
    transform: scale(1.1);
}

.product-info {
    padding: 20px;
    display: flex;
    flex-direction: column;
    flex-grow: 1;
    justify-content: space-between;
}

.product-title {
    font-weight: 600;
    margin-bottom: 8px;
    font-size: 16px;
    line-height: 1.4;
    color: #333;
}

.product-description {
    color: #666;
    font-size: 14px;
    margin-bottom: 12px;
    line-height: 1.4;
    display: -webkit-box;
    -webkit-line-clamp: 2;
    -webkit-box-orient: vertical;
    overflow: hidden;
    flex-grow: 1;
}

.product-price {
    color: #e74c3c;
    font-weight: bold;
    font-size: 18px;
    margin-bottom: 15px;
}

.product-rating {
    display: flex;
    align-items: center;
    gap: 5px;
    margin-bottom: 15px;
}

.rating-stars {
    color: #ffc107;
}

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

.product-footer {
    display: flex;
    gap: 10px;
    align-items: flex-end;
    margin-top: auto;
}

.cart-btn {
    flex: 1;
    background: #333;
    color: white;
    border: none;
    padding: 12px;
    border-radius: 8px;
    cursor: pointer;
    font-weight: 600;
    transition: all 0.3s;
    display: flex;
    align-items: center;
    justify-content: center;
    gap: 8px;
}

.cart-btn:hover {
    background: #555;
    transform: translateY(-2px);
}

.wishlist-btn {
    width: 44px;
    height: 44px;
    background: #f8f9fa;
    border: 2px solid #e9ecef;
    border-radius: 8px;
    cursor: pointer;
    transition: all 0.3s;
    display: flex;
    align-items: center;
    justify-content: center;
    color: #666;
}

.wishlist-btn:hover {
    background: #e74c3c;
    border-color: #e74c3c;
    color: white;
    transform: translateY(-2px);
}

/* 快速查看弹窗 */
.quick-view-modal {
    display: none;
    position: fixed;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background: rgba(0, 0, 0, 0.8);
    z-index: 1000;
    backdrop-filter: blur(5px);
}

.modal-content {
    position: absolute;
    top: 50%;
    left: 50%;
    transform: translate(-50%, -50%);
    background: white;
    border-radius: 20px;
    width: 95%;
    max-width: 1200px;
    max-height: 90vh;
    overflow-y: auto;
    box-shadow: 0 25px 50px rgba(0,0,0,0.3);
}

.modal-close {
    position: absolute;
    top: 20px;
    right: 20px;
    background: rgba(0,0,0,0.1);
    border: none;
    width: 40px;
    height: 40px;
    border-radius: 50%;
    cursor: pointer;
    z-index: 10;
    transition: all 0.3s;
    display: flex;
    align-items: center;
    justify-content: center;
}

.modal-close:hover {
    background: #e74c3c;
    color: white;
    transform: rotate(90deg);
}

.modal-body {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 0;
}

.modal-image-section {
    padding: 30px;
    border-radius: 20px 0 0 20px;
    background: #f8f9fa;
}

.main-image {
    height: 400px;
    background: white;
    border-radius: 12px;
    display: flex;
    align-items: center;
    justify-content: center;
    overflow: hidden;
    margin-bottom: 20px;
}

.main-image img {
    width: 100%;
    height: 100%;
    object-fit: contain;
}

.image-gallery {
    display: grid;
    grid-template-columns: repeat(4, 1fr);
    gap: 10px;
}

.gallery-thumb {
    height: 80px;
    background: white;
    border-radius: 8px;
    overflow: hidden;
    cursor: pointer;
    border: 2px solid transparent;
    transition: all 0.3s;
}

.gallery-thumb:hover {
    border-color: #333;
}

.gallery-thumb.active {
    border-color: #e74c3c;
}

.gallery-thumb img {
    width: 100%;
    height: 100%;
    object-fit: cover;
}

.modal-info {
    padding: 40px;
    display: flex;
    flex-direction: column;
    justify-content: center;
}

.modal-title {
    font-size: 28px;
    font-weight: 700;
    margin-bottom: 15px;
    color: #333;
}

.modal-price {
    font-size: 32px;
    color: #e74c3c;
    font-weight: 700;
    margin-bottom: 20px;
}

.modal-rating {
    display: flex;
    align-items: center;
    gap: 10px;
    margin-bottom: 20px;
}

.modal-rating-stars {
    color: #ffc107;
    font-size: 18px;
}

.modal-rating-count {
    color: #666;
    font-size: 16px;
}

.modal-description {
    color: #666;
    line-height: 1.6;
    margin-bottom: 25px;
    font-size: 16px;
}

.modal-features {
    margin-bottom: 25px;
}

.feature-list {
    list-style: none;
}

.feature-list li {
    padding: 8px 0;
    color: #555;
    position: relative;
    padding-left: 20px;
}

.feature-list li::before {
    content: '✓';
    position: absolute;
    left: 0;
    color: #27ae60;
    font-weight: bold;
}

.modal-actions {
    display: flex;
    gap: 15px;
    margin-bottom: 25px;
}

.quantity-selector {
    display: flex;
    align-items: center;
    gap: 10px;
    margin-bottom: 20px;
}

.quantity-btn {
    width: 40px;
    height: 40px;
    border: 2px solid #ddd;
    background: white;
    border-radius: 8px;
    cursor: pointer;
    transition: all 0.3s;
    display: flex;
    align-items: center;
    justify-content: center;
}

.quantity-btn:hover {
    border-color: #333;
    color: #333;
}

.quantity-input {
    width: 60px;
    height: 40px;
    text-align: center;
    border: 2px solid #ddd;
    border-radius: 8px;
    font-size: 16px;
}

.share-section {
    border-top: 1px solid #ddd;
    padding-top: 20px;
}

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

.share-buttons {
    display: flex;
    gap: 10px;
}

.share-btn {
    width: 40px;
    height: 40px;
    border-radius: 50%;
    border: none;
    cursor: pointer;
    transition: all 0.3s;
    display: flex;
    align-items: center;
    justify-content: center;
    color: white;
}

.share-facebook { background: #3b5998; }
.share-twitter { background: #1da1f2; }
.share-pinterest { background: #bd081c; }
.share-link { background: #333; }

.share-btn:hover {
    transform: translateY(-2px);
    box-shadow: 0 5px 15px rgba(0,0,0,0.2);
}

/* 促销海报 */
.promo-banner {
    background: linear-gradient(rgba(0, 0, 0, 0.7), rgba(0, 0, 0, 0.7)), url('https://images.unsplash.com/photo-1607082350899-7e105aa886ae?ixlib=rb-4.0.3&auto=format&fit=crop&w=1920&q=80') no-repeat center center/cover;
    color: white;
    padding: 100px 0;
    text-align: center;
    margin: 0;
}

.promo-banner::before {
    content: '';
    position: absolute;
    top: -50%;
    left: -50%;
    width: 200%;
    height: 200%;
    background: radial-gradient(circle, rgba(255,255,255,0.1) 1px, transparent 1px);
    background-size: 50px 50px;
    animation: float 20s linear infinite;
}

@keyframes float {
    0% { transform: translate(0, 0) rotate(0deg); }
    100% { transform: translate(-50px, -50px) rotate(360deg); }
}

.promo-content {
    max-width: 800px;
    margin: 0 auto;
    position: relative;
    z-index: 2;
}

.promo-content h2 {
    font-size: 48px;
    margin-bottom: 20px;
    font-weight: 700;
}

.promo-content p {
    font-size: 20px;
    margin-bottom: 30px;
    opacity: 0.9;
}

.promo-timer {
    display: flex;
    justify-content: center;
    gap: 20px;
    margin-bottom: 30px;
}

.timer-item {
    background: rgba(255, 255, 255, 0.2);
    padding: 20px;
    border-radius: 12px;
    min-width: 90px;
    backdrop-filter: blur(10px);
}

.timer-number {
    font-size: 32px;
    font-weight: bold;
    display: block;
}

.timer-label {
    font-size: 14px;
    opacity: 0.8;
}

/* 邮件订阅区域 */
.newsletter {
    background: #000;
    color: white;
    padding: 80px 0;
    text-align: center;
    margin: 0;
}

.newsletter-content {
    max-width: 600px;
    margin: 0 auto;
}

.newsletter h2 {
    font-size: 36px;
    margin-bottom: 15px;
    font-weight: 700;
}

.newsletter p {
    font-size: 18px;
    margin-bottom: 30px;
    opacity: 0.8;
}

.newsletter-form {
    display: flex;
    gap: 15px;
    max-width: 500px;
    margin: 0 auto;
}

.newsletter-input {
    flex: 1;
    padding: 15px 20px;
    border: none;
    border-radius: 8px;
    font-size: 16px;
    background: rgba(255,255,255,0.1);
    color: white;
    backdrop-filter: blur(10px);
}

.newsletter-input::placeholder {
    color: rgba(255,255,255,0.7);
}

.newsletter-btn {
    background: #e74c3c;
    color: white;
    border: none;
    padding: 15px 30px;
    border-radius: 8px;
    cursor: pointer;
    font-size: 16px;
    font-weight: bold;
    transition: all 0.3s;
}

.newsletter-btn:hover {
    background: #c0392b;
    transform: translateY(-2px);
}

/* 响应式设计 */
@media (max-width: 1200px) {
    .categories-grid,
    .products-grid {
        grid-template-columns: repeat(3, 1fr);
    }
}

@media (max-width: 992px) {
    .categories-grid,
    .products-grid {
        grid-template-columns: repeat(2, 1fr);
    }
    
    .carousel {
        height: 600px;
    }
    
    .slide-content h2 {
        font-size: 42px;
    }
    
    .newsletter-form {
        flex-direction: column;
    }
    
    .modal-body {
        grid-template-columns: 1fr;
    }
    
    .modal-image-section {
        border-radius: 20px 20px 0 0;
    }
    
    .hero {
        padding: 150px 0;
        min-height: 600px;
    }
    
    .hero h1 {
        font-size: 42px;
    }
}

@media (max-width: 768px) {
    .categories-grid,
    .products-grid {
        grid-template-columns: 1fr;
    }
    
    .carousel {
        height: 500px;
    }
    
    .slide-content h2 {
        font-size: 32px;
    }
    
    .slide-content p {
        font-size: 18px;
    }
    
    .hero h1 {
        font-size: 36px;
    }
    
    .hero p {
        font-size: 18px;
    }
    
    .promo-content h2 {
        font-size: 32px;
    }
    
    .modal-info {
        padding: 25px;
    }
    
    .modal-actions {
        flex-direction: column;
    }
}

@media (max-width: 576px) {
    .carousel {
        height: 400px;
    }
    
    .carousel-btn {
        padding: 10px;
        font-size: 18px;
        width: 40px;
        height: 40px;
    }
    
    .promo-timer {
        gap: 10px;
    }
    
    .timer-item {
        min-width: 70px;
        padding: 15px;
    }
    
    .timer-number {
        font-size: 24px;
    }
    
    .hero {
        padding: 120px 0;
        min-height: 500px;
    }
}