/* 青娱乐免费视频 - 主样式文件 */
/* 网站: caizhaot.com */

/* 基础重置 */
* {
    margin: 0;
    padding: 0;
    box-sizing: border-box;
}

html {
    scroll-behavior: smooth;
}

body {
    font-family: -apple-system, BlinkMacSystemFont, "Segoe UI", "PingFang SC", "Hiragino Sans GB", "Microsoft YaHei", "Helvetica Neue", Helvetica, Arial, sans-serif;
    line-height: 1.6;
    color: #333;
    background: #f5f5f5;
}

a {
    text-decoration: none;
    color: inherit;
    transition: color 0.3s ease;
}

a:hover {
    color: #e91e63;
}

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

.container {
    max-width: 1200px;
    margin: 0 auto;
    padding: 0 15px;
}

/* 头部导航样式 */
.header {
    background: linear-gradient(135deg, #667eea 0%, #764ba2 100%);
    padding: 10px 0;
    position: sticky;
    top: 0;
    z-index: 1000;
    box-shadow: 0 2px 10px rgba(0,0,0,0.1);
}

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

.logo {
    display: flex;
    align-items: center;
}

.logo img {
    height: 50px;
    margin-right: 10px;
}

.logo h1 {
    color: #fff;
    font-size: 24px;
    font-weight: bold;
}

.logo h1 span {
    color: #ffd700;
}

.nav-menu {
    display: flex;
    list-style: none;
    gap: 5px;
}

.nav-menu li a {
    color: #fff;
    padding: 10px 15px;
    border-radius: 5px;
    transition: background 0.3s ease;
    font-size: 15px;
}

.nav-menu li a:hover,
.nav-menu li a.active {
    background: rgba(255,255,255,0.2);
}

/* 搜索框样式 */
.search-bar {
    background: rgba(255,255,255,0.1);
    padding: 15px 0;
}

.search-form {
    display: flex;
    justify-content: center;
    gap: 10px;
    max-width: 600px;
    margin: 0 auto;
}

.search-form input {
    flex: 1;
    padding: 12px 20px;
    border: none;
    border-radius: 25px;
    font-size: 16px;
    outline: none;
}

.search-form button {
    padding: 12px 30px;
    background: #e91e63;
    color: #fff;
    border: none;
    border-radius: 25px;
    cursor: pointer;
    font-size: 16px;
    transition: background 0.3s ease;
}

.search-form button:hover {
    background: #c2185b;
}

/* 面包屑导航 */
.breadcrumb {
    padding: 15px 0;
    background: #fff;
    border-bottom: 1px solid #eee;
}

.breadcrumb-list {
    display: flex;
    list-style: none;
    gap: 10px;
    font-size: 14px;
}

.breadcrumb-list li::after {
    content: ">";
    margin-left: 10px;
    color: #999;
}

.breadcrumb-list li:last-child::after {
    content: "";
}

.breadcrumb-list a {
    color: #666;
}

.breadcrumb-list a:hover {
    color: #e91e63;
}

/* Banner区域 */
.banner {
    position: relative;
    height: 400px;
    overflow: hidden;
    background: linear-gradient(135deg, #667eea 0%, #764ba2 100%);
}

.banner-content {
    position: absolute;
    top: 50%;
    left: 50%;
    transform: translate(-50%, -50%);
    text-align: center;
    color: #fff;
    z-index: 2;
}

.banner h2 {
    font-size: 48px;
    margin-bottom: 20px;
    text-shadow: 2px 2px 4px rgba(0,0,0,0.3);
}

.banner p {
    font-size: 20px;
    margin-bottom: 30px;
}

.banner-btn {
    display: inline-block;
    padding: 15px 40px;
    background: #e91e63;
    color: #fff;
    border-radius: 30px;
    font-size: 18px;
    transition: transform 0.3s ease, background 0.3s ease;
}

.banner-btn:hover {
    transform: scale(1.05);
    background: #c2185b;
    color: #fff;
}

.banner-bg {
    position: absolute;
    width: 100%;
    height: 100%;
    object-fit: cover;
    opacity: 0.3;
}

/* 视频卡片样式 */
.section {
    padding: 50px 0;
}

.section-title {
    text-align: center;
    margin-bottom: 40px;
}

.section-title h2 {
    font-size: 32px;
    color: #333;
    margin-bottom: 10px;
}

.section-title h3 {
    font-size: 28px;
    color: #333;
    margin-bottom: 10px;
}

.section-title p {
    color: #666;
    font-size: 16px;
}

.video-grid {
    display: grid;
    grid-template-columns: repeat(4, 1fr);
    gap: 20px;
}

.video-card {
    background: #fff;
    border-radius: 10px;
    overflow: hidden;
    box-shadow: 0 2px 10px rgba(0,0,0,0.1);
    transition: transform 0.3s ease, box-shadow 0.3s ease;
}

.video-card:hover {
    transform: translateY(-5px);
    box-shadow: 0 10px 30px rgba(0,0,0,0.15);
}

.video-thumb {
    position: relative;
    padding-top: 56.25%;
    overflow: hidden;
}

.video-thumb img {
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    object-fit: cover;
    transition: transform 0.3s ease;
}

.video-card:hover .video-thumb img {
    transform: scale(1.1);
}

.play-btn {
    position: absolute;
    top: 50%;
    left: 50%;
    transform: translate(-50%, -50%);
    width: 60px;
    height: 60px;
    background: rgba(233, 30, 99, 0.9);
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    opacity: 0;
    transition: opacity 0.3s ease;
}

.video-card:hover .play-btn {
    opacity: 1;
}

.play-btn::after {
    content: "";
    width: 0;
    height: 0;
    border-left: 20px solid #fff;
    border-top: 12px solid transparent;
    border-bottom: 12px solid transparent;
    margin-left: 5px;
}

.video-duration {
    position: absolute;
    bottom: 10px;
    right: 10px;
    background: rgba(0,0,0,0.7);
    color: #fff;
    padding: 3px 8px;
    border-radius: 3px;
    font-size: 12px;
}

.video-info {
    padding: 15px;
}

.video-info h4 {
    font-size: 16px;
    margin-bottom: 10px;
    line-height: 1.4;
    display: -webkit-box;
    -webkit-line-clamp: 2;
    -webkit-box-orient: vertical;
    overflow: hidden;
}

.video-meta {
    display: flex;
    justify-content: space-between;
    color: #999;
    font-size: 13px;
}

.video-meta span {
    display: flex;
    align-items: center;
    gap: 5px;
}

/* 专家展示区域 */
.experts-grid {
    display: grid;
    grid-template-columns: repeat(4, 1fr);
    gap: 30px;
}

.expert-card {
    background: #fff;
    border-radius: 15px;
    padding: 30px 20px;
    text-align: center;
    box-shadow: 0 2px 15px rgba(0,0,0,0.08);
    transition: transform 0.3s ease;
}

.expert-card:hover {
    transform: translateY(-5px);
}

.expert-avatar {
    width: 120px;
    height: 120px;
    border-radius: 50%;
    margin: 0 auto 20px;
    overflow: hidden;
    border: 4px solid #e91e63;
}

.expert-avatar img {
    width: 100%;
    height: 100%;
    object-fit: cover;
}

.expert-card h4 {
    font-size: 20px;
    margin-bottom: 5px;
}

.expert-card .title {
    color: #e91e63;
    font-size: 14px;
    margin-bottom: 15px;
}

.expert-card p {
    color: #666;
    font-size: 14px;
    margin-bottom: 20px;
    line-height: 1.6;
}

.expert-btn {
    display: inline-block;
    padding: 10px 25px;
    background: linear-gradient(135deg, #667eea 0%, #764ba2 100%);
    color: #fff;
    border-radius: 25px;
    font-size: 14px;
    margin: 5px;
    transition: transform 0.3s ease;
}

.expert-btn:hover {
    transform: scale(1.05);
    color: #fff;
}

/* 分类标签 */
.category-tags {
    display: flex;
    flex-wrap: wrap;
    gap: 10px;
    margin-bottom: 30px;
    justify-content: center;
}

.category-tag {
    padding: 8px 20px;
    background: #fff;
    border: 2px solid #e91e63;
    color: #e91e63;
    border-radius: 25px;
    font-size: 14px;
    transition: all 0.3s ease;
}

.category-tag:hover,
.category-tag.active {
    background: #e91e63;
    color: #fff;
}

/* 合作品牌墙 */
.partners-wall {
    display: flex;
    flex-wrap: wrap;
    justify-content: center;
    gap: 30px;
    padding: 30px;
    background: #fff;
    border-radius: 15px;
}

.partner-logo {
    width: 150px;
    height: 80px;
    display: flex;
    align-items: center;
    justify-content: center;
    filter: grayscale(100%);
    opacity: 0.6;
    transition: all 0.3s ease;
}

.partner-logo:hover {
    filter: grayscale(0%);
    opacity: 1;
}

/* 用户评价 */
.reviews-grid {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: 30px;
}

.review-card {
    background: #fff;
    border-radius: 15px;
    padding: 30px;
    box-shadow: 0 2px 15px rgba(0,0,0,0.08);
}

.review-header {
    display: flex;
    align-items: center;
    margin-bottom: 20px;
}

.review-avatar {
    width: 50px;
    height: 50px;
    border-radius: 50%;
    margin-right: 15px;
    background: linear-gradient(135deg, #667eea 0%, #764ba2 100%);
    display: flex;
    align-items: center;
    justify-content: center;
    color: #fff;
    font-size: 20px;
}

.review-user h5 {
    font-size: 16px;
    margin-bottom: 5px;
}

.review-stars {
    color: #ffc107;
}

.review-card p {
    color: #666;
    line-height: 1.8;
}

/* 联系我们 */
.contact-grid {
    display: grid;
    grid-template-columns: repeat(2, 1fr);
    gap: 30px;
}

.contact-card {
    background: #fff;
    border-radius: 15px;
    padding: 30px;
    box-shadow: 0 2px 15px rgba(0,0,0,0.08);
}

.contact-card h4 {
    font-size: 20px;
    margin-bottom: 20px;
    color: #333;
    border-bottom: 2px solid #e91e63;
    padding-bottom: 10px;
}

.contact-item {
    display: flex;
    align-items: center;
    margin-bottom: 15px;
}

.contact-icon {
    width: 40px;
    height: 40px;
    background: linear-gradient(135deg, #667eea 0%, #764ba2 100%);
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    color: #fff;
    margin-right: 15px;
    font-size: 18px;
}

.qrcode-grid {
    display: flex;
    gap: 30px;
    justify-content: center;
}

.qrcode-item {
    text-align: center;
}

.qrcode-item img {
    width: 150px;
    height: 150px;
    border-radius: 10px;
    margin-bottom: 10px;
}

.qrcode-item p {
    color: #666;
    font-size: 14px;
}

/* FAQ区域 */
.faq-list {
    max-width: 800px;
    margin: 0 auto;
}

.faq-item {
    background: #fff;
    border-radius: 10px;
    margin-bottom: 15px;
    overflow: hidden;
    box-shadow: 0 2px 10px rgba(0,0,0,0.05);
}

.faq-question {
    padding: 20px;
    cursor: pointer;
    display: flex;
    justify-content: space-between;
    align-items: center;
    font-weight: bold;
}

.faq-question:hover {
    background: #f9f9f9;
}

.faq-answer {
    padding: 0 20px 20px;
    color: #666;
    line-height: 1.8;
}

/* 底部样式 */
.footer {
    background: linear-gradient(135deg, #1a1a2e 0%, #16213e 100%);
    color: #fff;
    padding: 50px 0 20px;
}

.footer-grid {
    display: grid;
    grid-template-columns: repeat(4, 1fr);
    gap: 30px;
    margin-bottom: 40px;
}

.footer-col h4 {
    font-size: 18px;
    margin-bottom: 20px;
    color: #e91e63;
}

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

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

.footer-col ul li a {
    color: #aaa;
    font-size: 14px;
    transition: color 0.3s ease;
}

.footer-col ul li a:hover {
    color: #e91e63;
}

.footer-col p {
    color: #aaa;
    font-size: 14px;
    line-height: 1.8;
}

.footer-bottom {
    text-align: center;
    padding-top: 30px;
    border-top: 1px solid rgba(255,255,255,0.1);
}

.footer-bottom p {
    color: #888;
    font-size: 14px;
    margin-bottom: 10px;
}

.social-links {
    display: flex;
    justify-content: center;
    gap: 15px;
    margin-top: 20px;
}

.social-link {
    width: 40px;
    height: 40px;
    background: rgba(255,255,255,0.1);
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    color: #fff;
    transition: background 0.3s ease;
}

.social-link:hover {
    background: #e91e63;
    color: #fff;
}

/* 分享按钮 */
.share-buttons {
    display: flex;
    gap: 10px;
    justify-content: center;
    margin: 20px 0;
}

.share-btn {
    padding: 10px 20px;
    border-radius: 25px;
    color: #fff;
    font-size: 14px;
    display: flex;
    align-items: center;
    gap: 8px;
    transition: transform 0.3s ease;
}

.share-btn:hover {
    transform: scale(1.05);
    color: #fff;
}

.share-btn.wechat {
    background: #07c160;
}

.share-btn.weibo {
    background: #e6162d;
}

.share-btn.douyin {
    background: #000;
}

.share-btn.bilibili {
    background: #fb7299;
}

/* 内页样式 */
.page-header {
    background: linear-gradient(135deg, #667eea 0%, #764ba2 100%);
    padding: 60px 0;
    text-align: center;
    color: #fff;
}

.page-header h2 {
    font-size: 36px;
    margin-bottom: 15px;
}

.page-header p {
    font-size: 18px;
    opacity: 0.9;
}

.content-section {
    padding: 40px 0;
}

/* 工具卡片 */
.tools-grid {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: 30px;
}

.tool-card {
    background: #fff;
    border-radius: 15px;
    padding: 30px;
    text-align: center;
    box-shadow: 0 2px 15px rgba(0,0,0,0.08);
    transition: transform 0.3s ease;
}

.tool-card:hover {
    transform: translateY(-5px);
}

.tool-icon {
    width: 80px;
    height: 80px;
    background: linear-gradient(135deg, #667eea 0%, #764ba2 100%);
    border-radius: 50%;
    margin: 0 auto 20px;
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 36px;
    color: #fff;
}

.tool-card h4 {
    font-size: 20px;
    margin-bottom: 15px;
}

.tool-card p {
    color: #666;
    font-size: 14px;
    margin-bottom: 20px;
}

.tool-btn {
    display: inline-block;
    padding: 12px 30px;
    background: #e91e63;
    color: #fff;
    border-radius: 25px;
    font-size: 14px;
    transition: background 0.3s ease;
}

.tool-btn:hover {
    background: #c2185b;
    color: #fff;
}

/* 社区帖子 */
.post-list {
    background: #fff;
    border-radius: 15px;
    overflow: hidden;
}

.post-item {
    padding: 20px;
    border-bottom: 1px solid #eee;
    display: flex;
    gap: 20px;
    transition: background 0.3s ease;
}

.post-item:hover {
    background: #f9f9f9;
}

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

.post-avatar {
    width: 50px;
    height: 50px;
    border-radius: 50%;
    background: linear-gradient(135deg, #667eea 0%, #764ba2 100%);
    display: flex;
    align-items: center;
    justify-content: center;
    color: #fff;
    font-size: 20px;
    flex-shrink: 0;
}

.post-content {
    flex: 1;
}

.post-content h5 {
    font-size: 16px;
    margin-bottom: 8px;
}

.post-content p {
    color: #666;
    font-size: 14px;
    margin-bottom: 10px;
}

.post-meta {
    display: flex;
    gap: 20px;
    color: #999;
    font-size: 13px;
}

/* 响应式设计 */
@media (max-width: 992px) {
    .video-grid {
        grid-template-columns: repeat(3, 1fr);
    }
    
    .experts-grid {
        grid-template-columns: repeat(2, 1fr);
    }
    
    .footer-grid {
        grid-template-columns: repeat(2, 1fr);
    }
    
    .tools-grid {
        grid-template-columns: repeat(2, 1fr);
    }
}

@media (max-width: 768px) {
    .header-inner {
        flex-direction: column;
        gap: 15px;
    }
    
    .nav-menu {
        flex-wrap: wrap;
        justify-content: center;
    }
    
    .video-grid {
        grid-template-columns: repeat(2, 1fr);
    }
    
    .experts-grid {
        grid-template-columns: 1fr;
    }
    
    .reviews-grid {
        grid-template-columns: 1fr;
    }
    
    .contact-grid {
        grid-template-columns: 1fr;
    }
    
    .footer-grid {
        grid-template-columns: 1fr;
    }
    
    .banner h2 {
        font-size: 28px;
    }
    
    .banner {
        height: 300px;
    }
    
    .tools-grid {
        grid-template-columns: 1fr;
    }
}

@media (max-width: 480px) {
    .video-grid {
        grid-template-columns: 1fr;
    }
    
    .search-form {
        flex-direction: column;
    }
    
    .search-form button {
        width: 100%;
    }
    
    .qrcode-grid {
        flex-direction: column;
        align-items: center;
    }
}

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

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

/* 懒加载占位 */
.lazy-load {
    background: linear-gradient(90deg, #f0f0f0 25%, #e0e0e0 50%, #f0f0f0 75%);
    background-size: 200% 100%;
    animation: loading 1.5s infinite;
}

@keyframes loading {
    0% {
        background-position: 200% 0;
    }
    100% {
        background-position: -200% 0;
    }
}

/* 统计数据样式 */
.stats-section {
    background: linear-gradient(135deg, #667eea 0%, #764ba2 100%);
    padding: 60px 0;
}

.stats-grid {
    display: grid;
    grid-template-columns: repeat(4, 1fr);
    gap: 30px;
    text-align: center;
    color: #fff;
}

.stat-item h3 {
    font-size: 48px;
    margin-bottom: 10px;
}

.stat-item p {
    font-size: 16px;
    opacity: 0.9;
}

@media (max-width: 768px) {
    .stats-grid {
        grid-template-columns: repeat(2, 1fr);
    }
}