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

body {
    font-family: 'Arial', sans-serif;
    line-height: 1.6;
    color: #333;
    background-color: #f8f9fa;
}

.container {
    width: 100%;
    max-width: 1200px;
    margin: 0 auto;
    padding: 0 20px;
}

a {
    text-decoration: none;
    color: inherit;
}

ul {
    list-style: none;
}

img {
    max-width: 100%;
    height: auto;
}

.btn {
    display: inline-block;
    padding: 12px 24px;
    background-color: #333;
    color: #fff;
    border: none;
    border-radius: 4px;
    cursor: pointer;
    font-size: 16px;
    transition: all 0.3s ease;
    text-align: center;
}

.primary-btn {
    background: linear-gradient(135deg, #6a11cb 0%, #2575fc 100%);
}

.primary-btn:hover {
    background: linear-gradient(135deg, #5a0ec0 0%, #1d67e6 100%);
    transform: translateY(-2px);
}

.secondary-btn {
    background: linear-gradient(135deg, #f5f7fa 0%, #c3cfe2 100%);
    color: #333;
}

.secondary-btn:hover {
    background: linear-gradient(135deg, #e4e9f0 0%, #b1c1d8 100%);
    transform: translateY(-2px);
}

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

.section-header h2 {
    font-size: 36px;
    margin-bottom: 15px;
    position: relative;
    display: inline-block;
}

.section-header h2 span {
    color: #6a11cb;
}

.section-header h2::after {
    content: '';
    position: absolute;
    bottom: -10px;
    left: 50%;
    transform: translateX(-50%);
    width: 80px;
    height: 3px;
    background: linear-gradient(90deg, #6a11cb 0%, #2575fc 100%);
}

.section-header p {
    font-size: 16px;
    color: #666;
    max-width: 600px;
    margin: 0 auto;
}

/* 顶部通知栏 */
.top-notice {
    background: linear-gradient(90deg, #ff9a9e 0%, #fad0c4 100%);
    padding: 10px 0;
}

.top-notice p {
    text-align: center;
    color: #fff;
    font-weight: bold;
}

/* 导航栏 */
.navbar {
    background-color: #fff;
    box-shadow: 0 2px 10px rgba(0, 0, 0, 0.1);
    position: sticky;
    top: 0;
    z-index: 1000;
}

.navbar .container {
    display: flex;
    justify-content: space-between;
    align-items: center;
    padding: 15px 20px;
}

.logo img {
    height: 50px;
}

.nav-menu ul {
    display: flex;
}

.nav-menu li {
    margin-left: 30px;
}

.nav-menu a {
    font-size: 16px;
    font-weight: 500;
    color: #333;
    transition: color 0.3s ease;
    position: relative;
}

.nav-menu a:hover,
.nav-menu a.active {
    color: #6a11cb;
}

.nav-menu a::after {
    content: '';
    position: absolute;
    bottom: -5px;
    left: 0;
    width: 0;
    height: 2px;
    background: linear-gradient(90deg, #6a11cb 0%, #2575fc 100%);
    transition: width 0.3s ease;
}

.nav-menu a:hover::after,
.nav-menu a.active::after {
    width: 100%;
}

.user-actions {
    display: flex;
    align-items: center;
}

.user-actions a {
    margin-left: 20px;
    font-size: 20px;
    color: #333;
    position: relative;
}

.user-actions a:hover {
    color: #6a11cb;
}

.cart-count {
    position: absolute;
    top: -10px;
    right: -10px;
    background: linear-gradient(90deg, #6a11cb 0%, #2575fc 100%);
    color: #fff;
    font-size: 12px;
    width: 20px;
    height: 20px;
    border-radius: 50%;
    display: flex;
    justify-content: center;
    align-items: center;
}

.mobile-menu-btn {
    display: none;
    cursor: pointer;
}

.mobile-menu-btn span {
    display: block;
    width: 25px;
    height: 3px;
    background-color: #333;
    margin: 5px 0;
    transition: all 0.3s ease;
}

/* 英雄区域 */
.hero {
    position: relative;
    height: 600px;
    overflow: hidden;
}

.hero-slider {
    height: 100%;
    position: relative;
}

.hero-slide {
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background-size: cover;
    background-position: center;
    opacity: 0;
    transition: opacity 0.5s ease;
    display: flex;
    align-items: center;
}

.hero-slide.active {
    opacity: 1;
}

.hero-content {
    max-width: 600px;
    padding: 20px;
    background-color: rgba(255, 255, 255, 0.9);
    border-radius: 8px;
    box-shadow: 0 5px 15px rgba(0, 0, 0, 0.1);
}

.hero-content h1 {
    font-size: 48px;
    margin-bottom: 20px;
    color: #333;
}

.hero-content h1 span {
    background: linear-gradient(90deg, #6a11cb 0%, #2575fc 100%);
    -webkit-background-clip: text;
    background-clip: text;
    color: transparent;
}

.hero-content p {
    font-size: 18px;
    margin-bottom: 30px;
    color: #666;
}

.slider-controls {
    position: absolute;
    top: 50%;
    left: 0;
    right: 0;
    transform: translateY(-50%);
    display: flex;
    justify-content: space-between;
    padding: 0 20px;
    z-index: 10;
}

.slider-controls button {
    width: 50px;
    height: 50px;
    border-radius: 50%;
    background-color: rgba(255, 255, 255, 0.8);
    border: none;
    font-size: 24px;
    color: #333;
    cursor: pointer;
    transition: all 0.3s ease;
    display: flex;
    justify-content: center;
    align-items: center;
}

.slider-controls button:hover {
    background-color: #fff;
    color: #6a11cb;
}

.slider-dots {
    position: absolute;
    bottom: 20px;
    left: 0;
    right: 0;
    display: flex;
    justify-content: center;
    z-index: 10;
}

.dot {
    width: 15px;
    height: 15px;
    border-radius: 50%;
    background-color: rgba(255, 255, 255, 0.6);
    margin: 0 10px;
    cursor: pointer;
    transition: all 0.3s ease;
}

.dot.active {
    background: linear-gradient(90deg, #6a11cb 0%, #2575fc 100%);
    width: 40px;
    border-radius: 10px;
}

/* 特色服务 */
.services {
    padding: 80px 0;
    background: linear-gradient(135deg, #f5f7fa 0%, #c3cfe2 100%);
}

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

.service-item {
    background-color: #fff;
    padding: 30px;
    border-radius: 8px;
    box-shadow: 0 5px 15px rgba(0, 0, 0, 0.1);
    text-align: center;
    transition: transform 0.3s ease;
}

.service-item:hover {
    transform: translateY(-10px);
}

.service-icon {
    font-size: 40px;
    margin-bottom: 20px;
    color: #6a11cb;
}

.service-item h3 {
    font-size: 20px;
    margin-bottom: 15px;
}

.service-item p {
    color: #666;
}

/* 产品展示 */
.products {
    padding: 80px 0;
    background-color: #fff;
}

.product-grid {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: 30px;
}

.product-item {
    background-color: #f8f9fa;
    border-radius: 8px;
    overflow: hidden;
    box-shadow: 0 5px 15px rgba(0, 0, 0, 0.1);
    transition: transform 0.3s ease;
}

.product-item:hover {
    transform: translateY(-10px);
}

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

.product-image img {
    width: 100%;
    height: 250px;
    object-fit: cover;
    transition: transform 0.3s ease;
}

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

.product-overlay {
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background-color: rgba(0, 0, 0, 0.5);
    display: flex;
    justify-content: center;
    align-items: center;
    opacity: 0;
    transition: opacity 0.3s ease;
}

.product-item:hover .product-overlay {
    opacity: 1;
}

.product-overlay .btn {
    margin: 0 10px;
}

.quick-view {
    background-color: #fff;
    color: #333;
}

.add-to-cart {
    background: linear-gradient(90deg, #6a11cb 0%, #2575fc 100%);
    width: 50px;
    height: 50px;
    padding: 0;
    border-radius: 50%;
    display: flex;
    justify-content: center;
    align-items: center;
}

.product-info {
    padding: 20px;
}

.product-info h3 {
    font-size: 18px;
    margin-bottom: 10px;
}

.product-info h3 a:hover {
    color: #6a11cb;
}

.product-rating {
    color: #ffc107;
    margin-bottom: 10px;
}

.product-price {
    font-size: 20px;
    font-weight: bold;
    color: #6a11cb;
}

.original-price {
    font-size: 16px;
    color: #999;
    text-decoration: line-through;
    margin-left: 10px;
}

.load-more {
    text-align: center;
    margin-top: 50px;
}

/* 产品特色 */
.features {
    padding: 80px 0;
    background: linear-gradient(135deg, #e0c3fc 0%, #8ec5fc 100%);
}

.feature-grid {
    display: grid;
    grid-template-columns: repeat(4, 1fr);
    gap: 30px;
    margin-bottom: 50px;
}

.feature-item {
    background-color: #fff;
    padding: 30px;
    border-radius: 8px;
    box-shadow: 0 5px 15px rgba(0, 0, 0, 0.1);
    text-align: center;
    transition: transform 0.3s ease;
}

.feature-item:hover {
    transform: translateY(-10px);
}

.feature-icon {
    font-size: 40px;
    margin-bottom: 20px;
    color: #6a11cb;
}

.feature-item h3 {
    font-size: 20px;
    margin-bottom: 15px;
}

.feature-item p {
    color: #666;
}

.feature-showcase {
    display: flex;
    align-items: center;
    background-color: #fff;
    border-radius: 8px;
    overflow: hidden;
    box-shadow: 0 5px 15px rgba(0, 0, 0, 0.1);
}

.feature-image {
    flex: 1;
}

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

.feature-content {
    flex: 1;
    padding: 50px;
}

.feature-content h3 {
    font-size: 28px;
    margin-bottom: 20px;
}

.feature-content p {
    margin-bottom: 20px;
    color: #666;
}

.feature-list li {
    margin-bottom: 15px;
    display: flex;
    align-items: center;
}

.feature-list i {
    color: #6a11cb;
    margin-right: 10px;
}

/* 新闻资讯 */
.news {
    padding: 80px 0;
    background-color: #fff;
}

.news-grid {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: 30px;
}

.news-item {
    background-color: #f8f9fa;
    border-radius: 8px;
    overflow: hidden;
    box-shadow: 0 5px 15px rgba(0, 0, 0, 0.1);
    transition: transform 0.3s ease;
}

.news-item:hover {
    transform: translateY(-10px);
}

.news-image img {
    width: 100%;
    height: 200px;
    object-fit: cover;
}

.news-content {
    padding: 20px;
}

.news-date {
    font-size: 14px;
    color: #999;
    margin-bottom: 10px;
    display: flex;
    align-items: center;
}

.news-date i {
    margin-right: 5px;
}

.news-content h3 {
    font-size: 18px;
    margin-bottom: 15px;
}

.news-content h3 a:hover {
    color: #6a11cb;
}

.news-content p {
    color: #666;
    margin-bottom: 20px;
    display: -webkit-box;
    -webkit-line-clamp: 3;
    -webkit-box-orient: vertical;
    overflow: hidden;
}

.read-more {
    color: #6a11cb;
    font-weight: bold;
    display: inline-flex;
    align-items: center;
}

.read-more i {
    margin-left: 5px;
    transition: transform 0.3s ease;
}

.read-more:hover i {
    transform: translateX(5px);
}

/* 关于我们 */
.about {
    padding: 80px 0;
    background: linear-gradient(135deg, #f093fb 0%, #f5576c 100%);
    color: #fff;
}

.about .container {
    display: flex;
    align-items: center;
}

.about-content {
    flex: 1;
    padding-right: 50px;
}

.about-content h2 {
    font-size: 36px;
    margin-bottom: 20px;
}

.about-content h2 span {
    color: #fff;
}

.about-content p {
    margin-bottom: 20px;
    font-size: 16px;
    line-height: 1.8;
}

.about-image {
    flex: 1;
}

.about-image img {
    border-radius: 8px;
    box-shadow: 0 5px 15px rgba(0, 0, 0, 0.1);
}

/* 会员专区 */
.membership {
    padding: 80px 0;
    background-color: #fff;
}

.membership-cards {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: 30px;
}

.membership-card {
    background-color: #f8f9fa;
    border-radius: 8px;
    overflow: hidden;
    box-shadow: 0 5px 15px rgba(0, 0, 0, 0.1);
    text-align: center;
    transition: transform 0.3s ease;
    position: relative;
}

.membership-card:hover {
    transform: translateY(-10px);
}

.membership-card.featured {
    transform: scale(1.05);
}

.recommended {
    position: absolute;
    top: 0;
    right: 0;
    background: linear-gradient(90deg, #6a11cb 0%, #2575fc 100%);
    color: #fff;
    padding: 5px 15px;
    font-size: 14px;
    font-weight: bold;
}

.card-header {
    padding: 30px;
    background: linear-gradient(135deg, #f5f7fa 0%, #c3cfe2 100%);
}

.membership-card.featured .card-header {
    background: linear-gradient(135deg, #6a11cb 0%, #2575fc 100%);
    color: #fff;
}

.card-header h3 {
    font-size: 24px;
    margin-bottom: 10px;
}

.price {
    font-size: 36px;
    font-weight: bold;
}

.price span {
    font-size: 16px;
    font-weight: normal;
}

.card-body {
    padding: 30px;
}

.benefits li {
    margin-bottom: 15px;
    display: flex;
    align-items: center;
    justify-content: center;
}

.benefits i {
    margin-right: 10px;
}

.benefits .fa-check {
    color: #4CAF50;
}

.benefits .fa-times {
    color: #F44336;
}

.card-body .btn {
    margin-top: 20px;
    width: 100%;
}

/* 页脚 */
.footer {
    background-color: #333;
    color: #fff;
    padding: 80px 0 20px;
}

.footer-top {
    display: grid;
    grid-template-columns: repeat(4, 1fr);
    gap: 30px;
    margin-bottom: 50px;
}

.footer-column h3 {
    font-size: 20px;
    margin-bottom: 20px;
    position: relative;
    padding-bottom: 10px;
}

.footer-column h3::after {
    content: '';
    position: absolute;
    bottom: 0;
    left: 0;
    width: 50px;
    height: 2px;
    background: linear-gradient(90deg, #6a11cb 0%, #2575fc 100%);
}

.footer-column ul li {
    margin-bottom: 10px;
}

.footer-column ul li a:hover {
    color: #6a11cb;
}

.social-icons {
    display: flex;
    margin-bottom: 20px;
}

.social-icons a {
    display: flex;
    justify-content: center;
    align-items: center;
    width: 40px;
    height: 40px;
    border-radius: 50%;
    background-color: rgba(255, 255, 255, 0.1);
    margin-right: 10px;
    font-size: 20px;
    transition: all 0.3s ease;
}

.social-icons a:hover {
    background: linear-gradient(90deg, #6a11cb 0%, #2575fc 100%);
    transform: translateY(-5px);
}

.newsletter {
    display: flex;
    margin-top: 20px;
}

.newsletter input {
    flex: 1;
    padding: 12px;
    border: none;
    border-radius: 4px 0 0 4px;
    font-size: 16px;
}

.newsletter .btn {
    border-radius: 0 4px 4px 0;
}

.footer-bottom {
    display: flex;
    justify-content: space-between;
    align-items: center;
    padding-top: 20px;
    border-top: 1px solid rgba(255, 255, 255, 0.1);
}

.payment-methods img {
    height: 30px;
    margin-left: 10px;
}

/* 回到顶部按钮 */
#back-to-top {
    position: fixed;
    bottom: 30px;
    right: 30px;
    width: 50px;
    height: 50px;
    border-radius: 50%;
    background: linear-gradient(90deg, #6a11cb 0%, #2575fc 100%);
    color: #fff;
    border: none;
    font-size: 24px;
    cursor: pointer;
    display: flex;
    justify-content: center;
    align-items: center;
    box-shadow: 0 5px 15px rgba(0, 0, 0, 0.2);
    opacity: 0;
    visibility: hidden;
    transition: all 0.3s ease;
    z-index: 999;
}

#back-to-top.active {
    opacity: 1;
    visibility: visible;
}

#back-to-top:hover {
    transform: translateY(-5px);
}

/* 响应式设计 */
@media (max-width: 1200px) {
    .service-grid,
    .feature-grid {
        grid-template-columns: repeat(2, 1fr);
    }
}

@media (max-width: 992px) {
    .product-grid,
    .news-grid,
    .membership-cards,
    .footer-top {
        grid-template-columns: repeat(2, 1fr);
    }

    .feature-showcase,
    .about .container {
        flex-direction: column;
    }

    .feature-content,
    .about-content {
        padding: 30px;
    }

    .about-content {
        padding-right: 0;
        margin-bottom: 30px;
    }
}

@media (max-width: 768px) {
    .nav-menu {
        position: fixed;
        top: 80px;
        left: -100%;
        width: 100%;
        height: calc(100vh - 80px);
        background-color: #fff;
        transition: left 0.3s ease;
        z-index: 999;
    }

    .nav-menu.active {
        left: 0;
    }

    .nav-menu ul {
        flex-direction: column;
        padding: 30px;
    }

    .nav-menu li {
        margin: 15px 0;
    }

    .mobile-menu-btn {
        display: block;
    }

    .hero-content h1 {
        font-size: 36px;
    }

    .product-grid,
    .news-grid,
    .membership-cards,
    .footer-top {
        grid-template-columns: 1fr;
    }

    .membership-card.featured {
        transform: scale(1);
    }

    .footer-bottom {
        flex-direction: column;
        text-align: center;
    }

    .payment-methods {
        margin-top: 20px;
    }
}

@media (max-width: 576px) {
    .hero {
        height: 500px;
    }

    .hero-content h1 {
        font-size: 28px;
    }

    .service-grid,
    .feature-grid {
        grid-template-columns: 1fr;
    }
}