/* ==================== 全局样式 ==================== */
:root {
    /* 轻奢女性线配色方案 */
    --primary-color: #d4a5a5;        /* 柔粉色 */
    --secondary-color: #f8e1e7;      /* 浅粉玫瑰色 */
    --accent-color: #c9a86c;         /* 金色点缀 */
    --text-primary: #333333;         /* 深灰色文字 */
    --text-secondary: #666666;       /* 中灰色文字 */
    --text-light: #999999;           /* 浅灰色文字 */
    --bg-white: #ffffff;             /* 纯白背景 */
    --bg-light: #fafafa;             /* 浅灰背景 */
    --bg-rose: #fff5f7;              /* 玫瑰浅色背景 */
    --border-color: #e8e8e8;         /* 边框颜色 */
    --shadow-light: 0 2px 8px rgba(0, 0, 0, 0.08);
    --shadow-medium: 0 4px 16px rgba(0, 0, 0, 0.12);
    --shadow-hover: 0 8px 24px rgba(0, 0, 0, 0.15);
    
    /* 字体设置 */
    --font-primary: 'Helvetica Neue', Helvetica, Arial, sans-serif;
    --font-secondary: 'Georgia', serif;
    
    /* 间距设置 */
    --spacing-xs: 8px;
    --spacing-sm: 16px;
    --spacing-md: 24px;
    --spacing-lg: 32px;
    --spacing-xl: 48px;
    --spacing-xxl: 64px;
    
    /* 圆角设置 */
    --radius-sm: 4px;
    --radius-md: 8px;
    --radius-lg: 12px;
    --radius-xl: 16px;
    
    /* 过渡效果 */
    --transition-fast: 0.2s ease;
    --transition-normal: 0.3s ease;
    --transition-slow: 0.5s ease;
}

* {
    margin: 0;
    padding: 0;
    box-sizing: border-box;
}

body {
    font-family: var(--font-primary);
    color: var(--text-primary);
    line-height: 1.6;
    background-color: var(--bg-white);
    overflow-x: hidden;
}

.container {
    max-width: 1200px;
    margin: 0 auto;
    padding: 0 var(--spacing-md);
}

/* ==================== 导航栏样式 ==================== */
.navbar {
    background: var(--bg-white);
    box-shadow: var(--shadow-light);
    position: sticky;
    top: 0;
    z-index: 1000;
    padding: var(--spacing-sm) 0;
}

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

.nav-brand a {
    font-size: 24px;
    font-weight: 300;
    color: var(--text-primary);
    text-decoration: none;
    letter-spacing: 2px;
}

.nav-menu ul {
    display: flex;
    list-style: none;
    gap: var(--spacing-lg);
}

.nav-menu a {
    color: var(--text-primary);
    text-decoration: none;
    font-size: 14px;
    font-weight: 400;
    letter-spacing: 1px;
    transition: color var(--transition-fast);
    position: relative;
}

.nav-menu a::after {
    content: '';
    position: absolute;
    bottom: -4px;
    left: 0;
    width: 0;
    height: 1px;
    background: var(--primary-color);
    transition: width var(--transition-normal);
}

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

.nav-menu a:hover {
    color: var(--primary-color);
}

.nav-icons {
    display: flex;
    gap: var(--spacing-md);
    align-items: center;
}

.nav-icons a {
    color: var(--text-primary);
    text-decoration: none;
    font-size: 20px;
    transition: color var(--transition-fast);
    position: relative;
}

.nav-icons a:hover {
    color: var(--primary-color);
}

.cart-count {
    position: absolute;
    top: -8px;
    right: -8px;
    background: var(--primary-color);
    color: white;
    font-size: 10px;
    padding: 2px 6px;
    border-radius: 50%;
    min-width: 16px;
    text-align: center;
}

.mobile-menu-toggle {
    display: none;
    flex-direction: column;
    gap: 4px;
    cursor: pointer;
}

.mobile-menu-toggle span {
    width: 24px;
    height: 2px;
    background: var(--text-primary);
    transition: var(--transition-fast);
}

/* ==================== Banner轮播样式 ==================== */
.banner-section {
    position: relative;
    width: 100%;
    height: 500px;
    overflow: hidden;
    background: var(--bg-light);
}

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

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

.banner-slide.active {
    opacity: 1;
    z-index: 1;
}

.banner-slide img {
    width: 100%;
    height: 100%;
    object-fit: cover;
}

.banner-content {
    position: absolute;
    bottom: 60px;
    left: 50%;
    transform: translateX(-50%);
    text-align: center;
    z-index: 2;
    color: white;
    text-shadow: 2px 2px 4px rgba(0, 0, 0, 0.5);
    max-width: 800px;
    padding: 0 var(--spacing-md);
}

.banner-content h2 {
    font-size: 32px;
    font-weight: 600;
    margin-bottom: var(--spacing-sm);
    font-family: var(--font-secondary);
}

.banner-content p {
    font-size: 16px;
    margin-bottom: var(--spacing-md);
    opacity: 0.9;
}

.banner-content .btn {
    background: var(--primary-color);
    color: white;
    padding: var(--spacing-sm) var(--spacing-lg);
    border: none;
    border-radius: var(--radius-md);
    font-size: 14px;
    cursor: pointer;
    transition: all var(--transition-fast);
}

.banner-content .btn:hover {
    background: var(--secondary-color);
    transform: translateY(-2px);
}

.banner-controls {
    position: absolute;
    top: 50%;
    left: 0;
    right: 0;
    transform: translateY(-50%);
    display: flex;
    justify-content: space-between;
    padding: 0 var(--spacing-md);
    z-index: 3;
    pointer-events: none;
}

.banner-controls button {
    pointer-events: auto;
    width: 50px;
    height: 50px;
    border: none;
    background: rgba(255, 255, 255, 0.8);
    border-radius: 50%;
    font-size: 24px;
    cursor: pointer;
    transition: all var(--transition-fast);
    display: flex;
    align-items: center;
    justify-content: center;
}

.banner-controls button:hover {
    background: white;
    transform: scale(1.1);
}

.banner-dots {
    position: absolute;
    bottom: 20px;
    left: 50%;
    transform: translateX(-50%);
    display: flex;
    gap: var(--spacing-sm);
    z-index: 3;
}

.banner-dot {
    width: 12px;
    height: 12px;
    border-radius: 50%;
    background: rgba(255, 255, 255, 0.5);
    border: none;
    cursor: pointer;
    transition: all var(--transition-fast);
}

.banner-dot.active {
    background: white;
    transform: scale(1.2);
}

.banner-dot:hover {
    background: rgba(255, 255, 255, 0.8);
}

/* ==================== 英雄区域样式 ==================== */
.hero-section {
    padding: var(--spacing-xxl) 0;
    background: linear-gradient(135deg, var(--bg-rose) 0%, var(--bg-white) 100%);
    position: relative;
    overflow: hidden;
}

.hero-section::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    background: url('data:image/svg+xml,<svg xmlns="http://www.w3.org/2000/svg" viewBox="0 0 100 100"><circle cx="50" cy="50" r="40" fill="none" stroke="%23d4a5a5" stroke-width="0.5" opacity="0.1"/></svg>');
    background-size: 200px;
    opacity: 0.3;
}

.hero-content {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: var(--spacing-xl);
    align-items: center;
    position: relative;
    z-index: 1;
}

.hero-text {
    text-align: center;
}

.hero-text h1 {
    font-family: var(--font-secondary);
    font-size: 48px;
    font-weight: 400;
    color: var(--text-primary);
    margin-bottom: var(--spacing-md);
    line-height: 1.2;
}

.hero-text p {
    font-size: 16px;
    color: var(--text-secondary);
    margin-bottom: var(--spacing-lg);
    line-height: 1.8;
}

.hero-buttons {
    display: flex;
    gap: var(--spacing-md);
    justify-content: center;
}

.hero-image img {
    width: 100%;
    height: auto;
    border-radius: var(--radius-xl);
    box-shadow: var(--shadow-medium);
}

/* ==================== 按钮样式 ==================== */
.btn {
    display: inline-block;
    padding: 12px 32px;
    font-size: 14px;
    font-weight: 400;
    text-decoration: none;
    border-radius: var(--radius-sm);
    transition: all var(--transition-normal);
    letter-spacing: 1px;
    cursor: pointer;
    border: none;
}

.btn-primary {
    background: var(--primary-color);
    color: white;
}

.btn-primary:hover {
    background: #c49494;
    transform: translateY(-2px);
    box-shadow: var(--shadow-medium);
}

.btn-secondary {
    background: transparent;
    color: var(--text-primary);
    border: 1px solid var(--border-color);
}

.btn-secondary:hover {
    border-color: var(--primary-color);
    color: var(--primary-color);
}

.btn-outline {
    background: transparent;
    color: var(--text-primary);
    border: 1px solid var(--primary-color);
}

.btn-outline:hover {
    background: var(--primary-color);
    color: white;
}

.btn-link {
    color: var(--primary-color);
    text-decoration: none;
    font-weight: 500;
}

.btn-link:hover {
    text-decoration: underline;
}

/* ==================== 通用区块样式 ==================== */
section {
    padding: var(--spacing-xxl) 0;
}

.section-title {
    font-family: var(--font-secondary);
    font-size: 36px;
    font-weight: 400;
    color: var(--text-primary);
    text-align: center;
    margin-bottom: var(--spacing-xl);
    position: relative;
}

.section-title::after {
    content: '';
    display: block;
    width: 60px;
    height: 2px;
    background: var(--primary-color);
    margin: var(--spacing-sm) auto 0;
}

.text-center {
    text-align: center;
    margin-top: var(--spacing-lg);
}

/* ==================== 产品分类样式 ==================== */
.categories-section {
    background: var(--bg-white);
}

.categories-grid {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: var(--spacing-lg);
}

.category-card {
    text-align: center;
    transition: transform var(--transition-normal);
}

.category-card:hover {
    transform: translateY(-8px);
}

.category-image {
    margin-bottom: var(--spacing-md);
    overflow: hidden;
    border-radius: var(--radius-lg);
}

.category-image img {
    width: 100%;
    height: 250px;
    object-fit: cover;
    transition: transform var(--transition-slow);
}

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

.category-card h3 {
    font-size: 20px;
    font-weight: 400;
    margin-bottom: var(--spacing-xs);
    color: var(--text-primary);
}

.category-card p {
    font-size: 14px;
    color: var(--text-secondary);
    margin-bottom: var(--spacing-md);
}

/* ==================== 产品展示样式 ==================== */
.featured-products {
    background: var(--bg-light);
}

.products-grid {
    display: grid;
    grid-template-columns: repeat(4, 1fr);
    gap: var(--spacing-lg);
}

.product-card {
    background: var(--bg-white);
    border-radius: var(--radius-lg);
    overflow: hidden;
    transition: all var(--transition-normal);
    position: relative;
}

.product-card:hover {
    transform: translateY(-8px);
    box-shadow: var(--shadow-hover);
}

.product-badge {
    position: absolute;
    top: var(--spacing-sm);
    left: var(--spacing-sm);
    background: var(--primary-color);
    color: white;
    padding: 4px 12px;
    font-size: 12px;
    border-radius: var(--radius-sm);
    z-index: 1;
}

.product-badge.new {
    background: var(--accent-color);
}

.product-image {
    position: relative;
    overflow: hidden;
    height: 280px;
}

.product-image img {
    width: 100%;
    height: 100%;
    object-fit: cover;
    transition: transform var(--transition-slow);
}

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

.product-info {
    padding: var(--spacing-md);
}

.product-info h3 {
    font-size: 16px;
    font-weight: 400;
    margin-bottom: var(--spacing-xs);
    color: var(--text-primary);
}

.product-category {
    font-size: 12px;
    color: var(--text-light);
    margin-bottom: var(--spacing-xs);
}

.product-rating {
    font-size: 12px;
    color: #ffc107;
    margin-bottom: var(--spacing-sm);
}

.product-description {
    font-size: 13px;
    color: var(--text-secondary);
    margin-bottom: var(--spacing-sm);
    line-height: 1.5;
    display: -webkit-box;
    -webkit-line-clamp: 2;
    -webkit-box-orient: vertical;
    overflow: hidden;
}

.product-price {
    margin-bottom: var(--spacing-sm);
}

.current-price {
    font-size: 18px;
    font-weight: 500;
    color: var(--primary-color);
}

.original-price {
    font-size: 14px;
    color: var(--text-light);
    text-decoration: line-through;
    margin-left: var(--spacing-xs);
}

/* ==================== 品牌优势样式 ==================== */
.brand-features {
    background: var(--bg-rose);
}

.features-grid {
    display: grid;
    grid-template-columns: repeat(4, 1fr);
    gap: var(--spacing-lg);
}

.feature-item {
    text-align: center;
    padding: var(--spacing-lg);
    background: var(--bg-white);
    border-radius: var(--radius-lg);
    transition: transform var(--transition-normal);
}

.feature-item:hover {
    transform: translateY(-4px);
}

.feature-icon {
    font-size: 48px;
    margin-bottom: var(--spacing-md);
}

.feature-item h3 {
    font-size: 18px;
    font-weight: 400;
    margin-bottom: var(--spacing-sm);
    color: var(--text-primary);
}

.feature-item p {
    font-size: 14px;
    color: var(--text-secondary);
    line-height: 1.6;
}

/* ==================== 用户评价样式 ==================== */
.testimonials {
    background: var(--bg-white);
}

.testimonials-grid {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: var(--spacing-lg);
}

.testimonial-card {
    background: var(--bg-light);
    padding: var(--spacing-lg);
    border-radius: var(--radius-lg);
    text-align: center;
}

.testimonial-content {
    margin-bottom: var(--spacing-md);
}

.testimonial-rating {
    font-size: 16px;
    color: #ffc107;
    margin-bottom: var(--spacing-sm);
}

.testimonial-content p {
    font-size: 14px;
    color: var(--text-secondary);
    line-height: 1.6;
    font-style: italic;
}

.testimonial-author {
    display: flex;
    align-items: center;
    justify-content: center;
    gap: var(--spacing-sm);
}

.testimonial-author img {
    width: 48px;
    height: 48px;
    border-radius: 50%;
    object-fit: cover;
}

.testimonial-author h4 {
    font-size: 14px;
    font-weight: 500;
    color: var(--text-primary);
}

.testimonial-author p {
    font-size: 12px;
    color: var(--text-light);
}

/* ==================== 博客样式 ==================== */
.latest-blog {
    background: var(--bg-light);
}

.blog-grid {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: var(--spacing-lg);
}

.blog-card {
    background: var(--bg-white);
    border-radius: var(--radius-lg);
    overflow: hidden;
    transition: transform var(--transition-normal);
}

.blog-card:hover {
    transform: translateY(-4px);
}

.blog-image {
    height: 200px;
    overflow: hidden;
}

.blog-image img {
    width: 100%;
    height: 100%;
    object-fit: cover;
    transition: transform var(--transition-slow);
}

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

.blog-content {
    padding: var(--spacing-md);
}

.blog-category {
    display: inline-block;
    background: var(--secondary-color);
    color: var(--primary-color);
    padding: 4px 12px;
    border-radius: var(--radius-sm);
    font-size: 12px;
    margin-bottom: var(--spacing-sm);
}

.blog-content h3 {
    font-size: 16px;
    font-weight: 400;
    margin-bottom: var(--spacing-sm);
    color: var(--text-primary);
    line-height: 1.4;
}

.blog-content p {
    font-size: 13px;
    color: var(--text-secondary);
    margin-bottom: var(--spacing-sm);
    line-height: 1.5;
    display: -webkit-box;
    -webkit-line-clamp: 3;
    -webkit-box-orient: vertical;
    overflow: hidden;
}

/* ==================== 订阅区域样式 ==================== */
.newsletter-section {
    background: linear-gradient(135deg, var(--primary-color) 0%, var(--secondary-color) 100%);
    color: white;
    text-align: center;
}

.newsletter-content h2 {
    font-family: var(--font-secondary);
    font-size: 32px;
    font-weight: 400;
    margin-bottom: var(--spacing-sm);
}

.newsletter-content p {
    font-size: 14px;
    margin-bottom: var(--spacing-lg);
    opacity: 0.9;
}

.newsletter-form {
    display: flex;
    max-width: 500px;
    margin: 0 auto;
    gap: var(--spacing-sm);
}

.newsletter-form input {
    flex: 1;
    padding: 12px 16px;
    border: none;
    border-radius: var(--radius-sm);
    font-size: 14px;
}

.newsletter-form button {
    padding: 12px 24px;
    background: var(--text-primary);
    color: white;
    border: none;
    border-radius: var(--radius-sm);
    cursor: pointer;
    font-size: 14px;
    transition: background var(--transition-fast);
}

.newsletter-form button:hover {
    background: #222;
}

/* ==================== 页脚样式 ==================== */
.footer {
    background: #2c2c2c;
    color: white;
    padding: var(--spacing-xl) 0 var(--spacing-md);
}

.footer-grid {
    display: grid;
    grid-template-columns: 2fr 1fr 1fr 1fr 1fr;
    gap: var(--spacing-xl);
    margin-bottom: var(--spacing-xl);
}

.footer-section h3 {
    font-size: 16px;
    font-weight: 400;
    margin-bottom: var(--spacing-md);
    color: var(--primary-color);
}

.footer-section p {
    font-size: 13px;
    color: #ccc;
    line-height: 1.6;
    margin-bottom: var(--spacing-md);
}

.footer-section ul {
    list-style: none;
}

.footer-section ul li {
    margin-bottom: var(--spacing-xs);
}

.footer-section ul li a {
    color: #ccc;
    text-decoration: none;
    font-size: 13px;
    transition: color var(--transition-fast);
}

.footer-section ul li a:hover {
    color: var(--primary-color);
}

.social-links {
    display: flex;
    gap: var(--spacing-md);
}

.social-links a {
    color: #ccc;
    text-decoration: none;
    font-size: 14px;
    transition: color var(--transition-fast);
}

.social-links a:hover {
    color: var(--primary-color);
}

.footer-bottom {
    text-align: center;
    padding-top: var(--spacing-md);
    border-top: 1px solid #444;
}

.footer-bottom p {
    font-size: 12px;
    color: #999;
}

/* ==================== 移动端导航样式 ==================== */
.mobile-nav {
    display: none;
    position: fixed;
    bottom: 0;
    left: 0;
    right: 0;
    background: var(--bg-white);
    box-shadow: 0 -2px 10px rgba(0, 0, 0, 0.1);
    padding: var(--spacing-sm) 0;
    z-index: 999;
}

.mobile-nav-item {
    display: flex;
    justify-content: center;
    align-items: center;
    flex: 1;
    font-size: 24px;
    color: var(--text-light);
    text-decoration: none;
    padding: var(--spacing-xs);
}

.mobile-nav-item.active {
    color: var(--primary-color);
}

/* ==================== 动画效果 ==================== */
@keyframes fadeInUp {
    from {
        opacity: 0;
        transform: translateY(20px);
    }
    to {
        opacity: 1;
        transform: translateY(0);
    }
}

.fade-in-up {
    animation: fadeInUp 0.6s ease forwards;
}

/* ==================== 加载动画 ==================== */
.loading {
    display: flex;
    justify-content: center;
    align-items: center;
    min-height: 200px;
}

.spinner {
    width: 40px;
    height: 40px;
    border: 3px solid var(--border-color);
    border-top-color: var(--primary-color);
    border-radius: 50%;
    animation: spin 1s linear infinite;
}

@keyframes spin {
    to {
        transform: rotate(360deg);
    }
}