/* 天天神券网站样式 */

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

body {
    font-family: 'Microsoft YaHei', 'PingFang SC', 'Helvetica Neue', Arial, sans-serif;
    line-height: 1.6;
    color: #333;
    background-color: #f8f9fa;
}

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

/* 头部样式 */
.header {
    background: linear-gradient(135deg, #667eea 0%, #764ba2 100%);
    color: white;
    padding: 1rem 0;
    box-shadow: 0 2px 10px rgba(0,0,0,0.1);
}

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

.logo h1 {
    font-size: 2rem;
    margin-bottom: 0.5rem;
    display: flex;
    align-items: center;
    gap: 0.5rem;
}

.logo p {
    font-size: 0.9rem;
    opacity: 0.9;
}

.nav {
    display: flex;
    gap: 2rem;
    flex-wrap: wrap;
}

.nav a {
    color: white;
    text-decoration: none;
    padding: 0.5rem 1rem;
    border-radius: 25px;
    transition: all 0.3s ease;
    font-weight: 500;
}

.nav a:hover,
.nav a.active {
    background-color: rgba(255,255,255,0.2);
    transform: translateY(-2px);
}

/* 主要内容区域 */
.main {
    min-height: calc(100vh - 200px);
}

/* 轮播横幅 */
.banner {
    background: linear-gradient(135deg, #ff6b6b 0%, #ffa500 100%);
    color: white;
    padding: 4rem 0;
    text-align: center;
}

.banner-content h2 {
    font-size: 2.5rem;
    margin-bottom: 1rem;
    font-weight: 700;
}

.banner-content p {
    font-size: 1.2rem;
    margin-bottom: 2rem;
    opacity: 0.9;
}

.banner-stats {
    display: flex;
    justify-content: center;
    gap: 3rem;
    flex-wrap: wrap;
}

.stat {
    text-align: center;
}

.stat .number {
    display: block;
    font-size: 2rem;
    font-weight: 700;
    margin-bottom: 0.5rem;
}

.stat .label {
    font-size: 0.9rem;
    opacity: 0.8;
}

/* 章节标题 */
.section-title {
    font-size: 2rem;
    text-align: center;
    margin-bottom: 3rem;
    color: #333;
    position: relative;
}

.section-title::after {
    content: '';
    position: absolute;
    bottom: -10px;
    left: 50%;
    transform: translateX(-50%);
    width: 60px;
    height: 3px;
    background: linear-gradient(135deg, #667eea 0%, #764ba2 100%);
    border-radius: 2px;
}

/* 优惠券分类 */
.coupon-categories {
    padding: 4rem 0;
    background: white;
}

.categories-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(250px, 1fr));
    gap: 2rem;
}

.category-card {
    background: white;
    border-radius: 15px;
    padding: 2rem;
    text-align: center;
    box-shadow: 0 5px 20px rgba(0,0,0,0.1);
    transition: all 0.3s ease;
    cursor: pointer;
    border: 2px solid transparent;
}

.category-card:hover {
    transform: translateY(-10px);
    box-shadow: 0 15px 40px rgba(0,0,0,0.15);
    border-color: #667eea;
}

.category-icon {
    width: 80px;
    height: 80px;
    background: linear-gradient(135deg, #667eea 0%, #764ba2 100%);
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    margin: 0 auto 1.5rem;
    font-size: 2rem;
    color: white;
}

.category-card h3 {
    font-size: 1.3rem;
    margin-bottom: 0.5rem;
    color: #333;
}

.category-card p {
    color: #666;
    margin-bottom: 1rem;
}

.coupon-count {
    background: linear-gradient(135deg, #ff6b6b 0%, #ffa500 100%);
    color: white;
    padding: 0.5rem 1rem;
    border-radius: 20px;
    font-size: 0.9rem;
    font-weight: 600;
    display: inline-block;
}

/* 最新文章 */
.latest-articles {
    padding: 4rem 0;
    background: #f8f9fa;
}

.section-header {
    display: flex;
    justify-content: space-between;
    align-items: center;
    margin-bottom: 3rem;
}

.view-all {
    color: #667eea;
    text-decoration: none;
    font-weight: 600;
    display: flex;
    align-items: center;
    gap: 0.5rem;
    transition: all 0.3s ease;
}

.view-all:hover {
    color: #764ba2;
    transform: translateX(5px);
}

.articles-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(350px, 1fr));
    gap: 2rem;
}

.article-card {
    background: white;
    border-radius: 15px;
    padding: 1.5rem;
    box-shadow: 0 5px 20px rgba(0,0,0,0.1);
    transition: all 0.3s ease;
}

.article-card:hover {
    transform: translateY(-5px);
    box-shadow: 0 15px 40px rgba(0,0,0,0.15);
}

.article-meta {
    display: flex;
    justify-content: space-between;
    margin-bottom: 1rem;
    font-size: 0.9rem;
    color: #666;
}

.article-category {
    background: #667eea;
    color: white;
    padding: 0.2rem 0.8rem;
    border-radius: 15px;
    font-size: 0.8rem;
}

.article-title {
    margin-bottom: 1rem;
}

.article-title a {
    color: #333;
    text-decoration: none;
    font-size: 1.2rem;
    font-weight: 600;
    transition: color 0.3s ease;
}

.article-title a:hover {
    color: #667eea;
}

.article-excerpt {
    color: #666;
    margin-bottom: 1.5rem;
    line-height: 1.6;
}

.article-footer {
    text-align: right;
}

.read-more {
    color: #667eea;
    text-decoration: none;
    font-weight: 600;
    display: inline-flex;
    align-items: center;
    gap: 0.5rem;
    transition: all 0.3s ease;
}

.read-more:hover {
    color: #764ba2;
    transform: translateX(5px);
}

/* 热门优惠券 */
.hot-coupons {
    padding: 4rem 0;
    background: white;
}

.coupons-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(280px, 1fr));
    gap: 2rem;
}

.coupon-card {
    background: white;
    border-radius: 15px;
    padding: 1.5rem;
    box-shadow: 0 5px 20px rgba(0,0,0,0.1);
    transition: all 0.3s ease;
    border: 2px solid #f0f0f0;
    position: relative;
    overflow: hidden;
}

.coupon-card::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    height: 4px;
    background: linear-gradient(135deg, #667eea 0%, #764ba2 100%);
}

.coupon-card:hover {
    transform: translateY(-5px);
    box-shadow: 0 15px 40px rgba(0,0,0,0.15);
    border-color: #667eea;
}

.coupon-header {
    display: flex;
    align-items: center;
    gap: 1rem;
    margin-bottom: 1rem;
}

.platform-logo {
    width: 50px;
    height: 50px;
    background: linear-gradient(135deg, #ff6b6b 0%, #ffa500 100%);
    border-radius: 10px;
    display: flex;
    align-items: center;
    justify-content: center;
    color: white;
    font-size: 1.5rem;
}

.coupon-info h4 {
    font-size: 1.1rem;
    margin-bottom: 0.3rem;
    color: #333;
}

.coupon-info p {
    color: #666;
    font-size: 0.9rem;
}

.coupon-value {
    text-align: center;
    margin-bottom: 1rem;
}

.coupon-value .value {
    font-size: 2.5rem;
    font-weight: 700;
    color: #ff6b6b;
}

.coupon-value .currency {
    font-size: 1.2rem;
    color: #666;
    margin-left: 0.2rem;
}

.coupon-conditions {
    text-align: center;
    margin-bottom: 1.5rem;
    color: #666;
    font-size: 0.9rem;
}

.get-coupon-btn {
    display: block;
    width: 100%;
    background: linear-gradient(135deg, #667eea 0%, #764ba2 100%);
    color: white;
    text-decoration: none;
    text-align: center;
    padding: 1rem;
    border-radius: 10px;
    font-weight: 600;
    transition: all 0.3s ease;
}

.get-coupon-btn:hover {
    transform: translateY(-2px);
    box-shadow: 0 5px 15px rgba(102, 126, 234, 0.4);
}

/* 页脚 */
.footer {
    background: #333;
    color: white;
    padding: 3rem 0 1rem;
    margin-top: 4rem;
}

.footer-content {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(250px, 1fr));
    gap: 2rem;
    margin-bottom: 2rem;
}

.footer-section h3,
.footer-section h4 {
    margin-bottom: 1rem;
    color: #fff;
}

.footer-section p {
    color: #ccc;
    line-height: 1.6;
}

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

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

.footer-section ul li a {
    color: #ccc;
    text-decoration: none;
    transition: color 0.3s ease;
}

.footer-section ul li a:hover {
    color: #667eea;
}

.footer-bottom {
    text-align: center;
    padding-top: 2rem;
    border-top: 1px solid #555;
    color: #999;
}

/* 响应式设计 */
@media (max-width: 768px) {
    .header .container {
        flex-direction: column;
        gap: 1rem;
    }
    
    .nav {
        justify-content: center;
    }
    
    .banner-content h2 {
        font-size: 2rem;
    }
    
    .banner-stats {
        gap: 2rem;
    }
    
    .categories-grid {
        grid-template-columns: 1fr;
    }
    
    .articles-grid {
        grid-template-columns: 1fr;
    }
    
    .coupons-grid {
        grid-template-columns: 1fr;
    }
    
    .section-header {
        flex-direction: column;
        gap: 1rem;
        text-align: center;
    }
}

@media (max-width: 480px) {
    .container {
        padding: 0 15px;
    }
    
    .banner {
        padding: 2rem 0;
    }
    
    .banner-content h2 {
        font-size: 1.5rem;
    }
    
    .banner-stats {
        flex-direction: column;
        gap: 1rem;
    }
    
    .section-title {
        font-size: 1.5rem;
    }
}

/* 加载动画 */
.loading {
    display: inline-block;
    width: 20px;
    height: 20px;
    border: 3px solid #f3f3f3;
    border-top: 3px solid #667eea;
    border-radius: 50%;
    animation: spin 1s linear infinite;
}

@keyframes spin {
    0% { transform: rotate(0deg); }
    100% { transform: rotate(360deg); }
}

/* 工具提示 */
.tooltip {
    position: relative;
    display: inline-block;
}

.tooltip .tooltiptext {
    visibility: hidden;
    width: 200px;
    background-color: #333;
    color: #fff;
    text-align: center;
    border-radius: 6px;
    padding: 8px;
    position: absolute;
    z-index: 1;
    bottom: 125%;
    left: 50%;
    margin-left: -100px;
    opacity: 0;
    transition: opacity 0.3s;
    font-size: 0.8rem;
}

.tooltip:hover .tooltiptext {
    visibility: visible;
    opacity: 1;
}

/* 文章页面样式 */
.page-header {
    background: linear-gradient(135deg, #667eea 0%, #764ba2 100%);
    color: white;
    padding: 3rem 0;
    text-align: center;
}

.page-title h1 {
    font-size: 2.5rem;
    margin-bottom: 1rem;
    font-weight: 700;
}

.page-title p {
    font-size: 1.1rem;
    opacity: 0.9;
}

.search-section {
    margin-top: 2rem;
}

.search-box {
    display: flex;
    max-width: 500px;
    margin: 0 auto;
    background: white;
    border-radius: 25px;
    overflow: hidden;
    box-shadow: 0 5px 20px rgba(0,0,0,0.1);
}

.search-input {
    flex: 1;
    padding: 1rem 1.5rem;
    border: none;
    outline: none;
    font-size: 1rem;
}

.search-btn {
    background: #667eea;
    color: white;
    border: none;
    padding: 1rem 1.5rem;
    cursor: pointer;
    transition: background 0.3s ease;
}

.search-btn:hover {
    background: #764ba2;
}

.articles-section {
    padding: 4rem 0;
    background: #f8f9fa;
}

/* 面包屑导航 */
.breadcrumb {
    background: #f8f9fa;
    padding: 1rem 0;
    border-bottom: 1px solid #e9ecef;
}

.breadcrumb-nav {
    display: flex;
    align-items: center;
    gap: 0.5rem;
    font-size: 0.9rem;
}

.breadcrumb-nav a {
    color: #667eea;
    text-decoration: none;
    transition: color 0.3s ease;
}

.breadcrumb-nav a:hover {
    color: #764ba2;
}

.breadcrumb-nav .separator {
    color: #999;
}

.breadcrumb-nav .current {
    color: #666;
}

/* 文章内容布局 */
.article-content {
    padding: 2rem 0;
    background: white;
}

.article-layout {
    display: grid;
    grid-template-columns: 1fr 300px;
    gap: 3rem;
}

.article-main {
    background: white;
    border-radius: 10px;
    overflow: hidden;
}

.article-header {
    padding: 2rem 2rem 1rem;
    border-bottom: 1px solid #f0f0f0;
}

.article-meta {
    display: flex;
    align-items: center;
    gap: 1rem;
    margin-bottom: 1rem;
    font-size: 0.9rem;
    color: #666;
}

.article-meta span {
    display: flex;
    align-items: center;
    gap: 0.3rem;
}

.article-category {
    background: #667eea;
    color: white;
    padding: 0.3rem 0.8rem;
    border-radius: 15px;
    font-size: 0.8rem;
}

.article-title {
    font-size: 2rem;
    line-height: 1.3;
    margin-bottom: 1rem;
    color: #333;
}

.article-tags {
    display: flex;
    flex-wrap: wrap;
    gap: 0.5rem;
}

.tag {
    background: #f0f0f0;
    color: #666;
    padding: 0.3rem 0.8rem;
    border-radius: 15px;
    font-size: 0.8rem;
    text-decoration: none;
    transition: all 0.3s ease;
}

.tag:hover {
    background: #667eea;
    color: white;
}

.article-body {
    padding: 2rem;
    line-height: 1.8;
    font-size: 1.1rem;
}

.article-body h2 {
    font-size: 1.5rem;
    margin: 2rem 0 1rem;
    color: #333;
    border-left: 4px solid #667eea;
    padding-left: 1rem;
}

.article-body h3 {
    font-size: 1.3rem;
    margin: 1.5rem 0 1rem;
    color: #333;
}

.article-body p {
    margin-bottom: 1.5rem;
    color: #555;
}

.article-body ul,
.article-body ol {
    margin-bottom: 1.5rem;
    padding-left: 2rem;
}

.article-body li {
    margin-bottom: 0.5rem;
    color: #555;
}

.article-body strong {
    color: #333;
    font-weight: 600;
}

.article-body a {
    color: #667eea;
    text-decoration: none;
    border-bottom: 1px solid transparent;
    transition: all 0.3s ease;
}

.article-body a:hover {
    border-bottom-color: #667eea;
}

.article-footer {
    padding: 2rem;
    border-top: 1px solid #f0f0f0;
    background: #f8f9fa;
}

.article-actions {
    display: flex;
    gap: 1rem;
    margin-bottom: 2rem;
}

.action-btn {
    display: flex;
    align-items: center;
    gap: 0.5rem;
    padding: 0.8rem 1.5rem;
    background: white;
    border: 2px solid #e9ecef;
    border-radius: 25px;
    cursor: pointer;
    transition: all 0.3s ease;
    font-size: 0.9rem;
    color: #666;
}

.action-btn:hover {
    border-color: #667eea;
    color: #667eea;
    transform: translateY(-2px);
}

.action-btn.liked {
    background: #ff6b6b;
    border-color: #ff6b6b;
    color: white;
}

.action-btn.collected {
    background: #ffa500;
    border-color: #ffa500;
    color: white;
}

.article-info {
    color: #999;
    font-size: 0.9rem;
    line-height: 1.6;
}

.article-info p {
    margin-bottom: 0.5rem;
}

/* 侧边栏 */
.article-sidebar {
    display: flex;
    flex-direction: column;
    gap: 2rem;
}

.sidebar-widget {
    background: white;
    border-radius: 10px;
    padding: 1.5rem;
    box-shadow: 0 2px 10px rgba(0,0,0,0.1);
}

.widget-title {
    font-size: 1.2rem;
    margin-bottom: 1rem;
    color: #333;
    border-bottom: 2px solid #667eea;
    padding-bottom: 0.5rem;
}

.related-articles {
    display: flex;
    flex-direction: column;
    gap: 1rem;
}

.related-item {
    padding-bottom: 1rem;
    border-bottom: 1px solid #f0f0f0;
}

.related-item:last-child {
    border-bottom: none;
    padding-bottom: 0;
}

.related-title {
    margin-bottom: 0.5rem;
}

.related-title a {
    color: #333;
    text-decoration: none;
    font-size: 0.9rem;
    line-height: 1.4;
    transition: color 0.3s ease;
}

.related-title a:hover {
    color: #667eea;
}

.related-meta {
    display: flex;
    justify-content: space-between;
    font-size: 0.8rem;
    color: #999;
}

.sidebar-coupons {
    display: flex;
    flex-direction: column;
    gap: 1rem;
}

.sidebar-coupon {
    display: flex;
    align-items: center;
    gap: 1rem;
    padding: 1rem;
    background: #f8f9fa;
    border-radius: 8px;
    transition: all 0.3s ease;
}

.sidebar-coupon:hover {
    background: #e9ecef;
    transform: translateY(-2px);
}

.sidebar-coupon .coupon-info {
    flex: 1;
}

.sidebar-coupon .coupon-info h4 {
    font-size: 0.9rem;
    margin-bottom: 0.3rem;
    color: #333;
}

.sidebar-coupon .coupon-info p {
    font-size: 0.8rem;
    color: #666;
    margin: 0;
}

.sidebar-coupon .coupon-value {
    font-size: 1.2rem;
    font-weight: 700;
    color: #ff6b6b;
    margin-right: 0.5rem;
}

.sidebar-coupon .get-coupon {
    background: #667eea;
    color: white;
    padding: 0.5rem 1rem;
    border-radius: 15px;
    text-decoration: none;
    font-size: 0.8rem;
    transition: all 0.3s ease;
}

.sidebar-coupon .get-coupon:hover {
    background: #764ba2;
    transform: scale(1.05);
}

.back-to-top-btn {
    width: 100%;
    background: linear-gradient(135deg, #667eea 0%, #764ba2 100%);
    color: white;
    border: none;
    padding: 1rem;
    border-radius: 8px;
    cursor: pointer;
    display: flex;
    align-items: center;
    justify-content: center;
    gap: 0.5rem;
    transition: all 0.3s ease;
}

.back-to-top-btn:hover {
    transform: translateY(-2px);
    box-shadow: 0 5px 15px rgba(102, 126, 234, 0.4);
}

/* 分页样式 */
.pagination {
    display: flex;
    justify-content: center;
    align-items: center;
    gap: 1rem;
    margin-top: 3rem;
}

.page-btn {
    display: flex;
    align-items: center;
    gap: 0.5rem;
    padding: 0.8rem 1.5rem;
    background: white;
    color: #667eea;
    text-decoration: none;
    border-radius: 25px;
    border: 2px solid #e9ecef;
    transition: all 0.3s ease;
    font-weight: 500;
}

.page-btn:hover {
    background: #667eea;
    color: white;
    border-color: #667eea;
    transform: translateY(-2px);
}

.page-numbers {
    display: flex;
    gap: 0.5rem;
}

.page-number {
    display: flex;
    align-items: center;
    justify-content: center;
    width: 40px;
    height: 40px;
    background: white;
    color: #666;
    text-decoration: none;
    border-radius: 50%;
    border: 2px solid #e9ecef;
    transition: all 0.3s ease;
    font-weight: 500;
}

.page-number:hover,
.page-number.active {
    background: #667eea;
    color: white;
    border-color: #667eea;
    transform: translateY(-2px);
}

/* 无文章状态 */
.no-articles,
.no-results {
    text-align: center;
    padding: 4rem 2rem;
    color: #666;
}

.no-articles-icon {
    font-size: 4rem;
    color: #ddd;
    margin-bottom: 1rem;
}

.no-articles h3,
.no-results h3 {
    font-size: 1.5rem;
    margin-bottom: 1rem;
    color: #333;
}

.no-articles p,
.no-results p {
    margin-bottom: 2rem;
    font-size: 1.1rem;
}

.btn-primary {
    display: inline-block;
    background: linear-gradient(135deg, #667eea 0%, #764ba2 100%);
    color: white;
    text-decoration: none;
    padding: 1rem 2rem;
    border-radius: 25px;
    font-weight: 600;
    transition: all 0.3s ease;
}

.btn-primary:hover {
    transform: translateY(-2px);
    box-shadow: 0 5px 15px rgba(102, 126, 234, 0.4);
}

/* 热门文章推荐 */
.popular-articles {
    padding: 4rem 0;
    background: white;
}

.popular-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(250px, 1fr));
    gap: 1.5rem;
}

.popular-card {
    background: #f8f9fa;
    padding: 1.5rem;
    border-radius: 10px;
    transition: all 0.3s ease;
    border-left: 4px solid #667eea;
}

.popular-card:hover {
    background: white;
    box-shadow: 0 5px 20px rgba(0,0,0,0.1);
    transform: translateY(-3px);
}

.popular-meta {
    display: flex;
    justify-content: space-between;
    margin-bottom: 1rem;
    font-size: 0.8rem;
    color: #666;
}

.popular-category {
    background: #667eea;
    color: white;
    padding: 0.2rem 0.6rem;
    border-radius: 10px;
}

.popular-title a {
    color: #333;
    text-decoration: none;
    font-size: 0.9rem;
    line-height: 1.4;
    transition: color 0.3s ease;
}

.popular-title a:hover {
    color: #667eea;
}

/* 优惠券页面样式 */
.platform-logo {
    width: 60px;
    height: 60px;
    background: linear-gradient(135deg, #ff6b6b 0%, #ffa500 100%);
    border-radius: 15px;
    display: flex;
    align-items: center;
    justify-content: center;
    color: white;
    font-size: 2rem;
    margin: 0 auto 1rem;
}

.meituan-logo {
    background: linear-gradient(135deg, #ff6b6b 0%, #ff8c00 100%);
}

.eleme-logo {
    background: linear-gradient(135deg, #00a0e9 0%, #0080ff 100%);
}

.jd-logo {
    background: linear-gradient(135deg, #e1251b 0%, #ff6b6b 100%);
}

.taobao-logo {
    background: linear-gradient(135deg, #ff6900 0%, #ffa500 100%);
}

.coupons-section {
    padding: 4rem 0;
    background: #f8f9fa;
}

.section-header {
    display: flex;
    justify-content: space-between;
    align-items: center;
    margin-bottom: 3rem;
    flex-wrap: wrap;
    gap: 1rem;
}

.coupon-stats {
    display: flex;
    gap: 2rem;
    flex-wrap: wrap;
}

.stat-item {
    display: flex;
    align-items: center;
    gap: 0.5rem;
    color: #666;
    font-size: 0.9rem;
}

.stat-item i {
    color: #667eea;
}

.coupon-card.featured {
    border: 2px solid #ff6b6b;
    position: relative;
    transform: scale(1.05);
}

.coupon-badge {
    position: absolute;
    top: -10px;
    right: 20px;
    background: #ff6b6b;
    color: white;
    padding: 0.3rem 0.8rem;
    border-radius: 15px;
    font-size: 0.8rem;
    font-weight: 600;
    z-index: 1;
}

.coupon-badge.vip {
    background: linear-gradient(135deg, #ffd700 0%, #ffa500 100%);
    color: #333;
}

.coupon-card.featured .coupon-value .value {
    color: #ff6b6b;
    font-size: 3rem;
}

.get-coupon-btn i {
    margin-right: 0.5rem;
}

/* 攻略提示区域 */
.tips-section {
    padding: 4rem 0;
    background: white;
}

.tips-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
    gap: 2rem;
}

.tip-card {
    background: #f8f9fa;
    padding: 2rem;
    border-radius: 15px;
    text-align: center;
    transition: all 0.3s ease;
    border-left: 4px solid #667eea;
}

.tip-card:hover {
    background: white;
    box-shadow: 0 10px 30px rgba(0,0,0,0.1);
    transform: translateY(-5px);
}

.tip-icon {
    width: 80px;
    height: 80px;
    background: linear-gradient(135deg, #667eea 0%, #764ba2 100%);
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    margin: 0 auto 1.5rem;
    font-size: 2rem;
    color: white;
}

.tip-card h3 {
    font-size: 1.3rem;
    margin-bottom: 1rem;
    color: #333;
}

.tip-card p {
    color: #666;
    line-height: 1.6;
    text-align: left;
}

/* 相关文章区域 */
.related-articles {
    padding: 4rem 0;
    background: #f8f9fa;
}

/* 响应式设计 - 文章页面 */
@media (max-width: 768px) {
    .article-layout {
        grid-template-columns: 1fr;
        gap: 2rem;
    }
    
    .article-header,
    .article-body,
    .article-footer {
        padding: 1.5rem;
    }
    
    .article-title {
        font-size: 1.5rem;
    }
    
    .article-meta {
        flex-direction: column;
        align-items: flex-start;
        gap: 0.5rem;
    }
    
    .article-actions {
        flex-direction: column;
    }
    
    .pagination {
        flex-direction: column;
        gap: 1rem;
    }
    
    .page-numbers {
        order: -1;
    }
    
    /* 优惠券页面响应式 */
    .section-header {
        flex-direction: column;
        text-align: center;
    }
    
    .coupon-stats {
        justify-content: center;
    }
    
    .coupon-card.featured {
        transform: none;
    }
    
    .tips-grid {
        grid-template-columns: 1fr;
    }
}