/* 抖阴植物视频社区 - 全站样式 dLgocuy.cn */
*{margin:0;padding:0;box-sizing:border-box}
html{scroll-behavior:smooth}
body{font-family:"Microsoft YaHei","PingFang SC","Hiragino Sans GB",sans-serif;color:#2d3436;line-height:1.8;background:#f8f9fa}
a{color:#1a73e8;text-decoration:none;transition:color .3s}
a:hover{color:#0d47a1}
img{max-width:100%;height:auto;display:block}
.container{max-width:1200px;margin:0 auto;padding:0 20px}

/* 头部导航 */
.site-header{background:#1a1a2e;position:sticky;top:0;z-index:999;box-shadow:0 2px 12px rgba(0,0,0,.3)}
.header-inner{display:flex;align-items:center;justify-content:space-between;padding:12px 20px;max-width:1200px;margin:0 auto}
.logo{display:flex;align-items:center;gap:10px}
.logo img{height:42px;width:auto}
.logo h1{font-size:22px;color:#e8d44d;margin:0;font-weight:700}
.logo h1 span{color:#4ecdc4}
.main-nav ul{display:flex;list-style:none;gap:6px}
.main-nav a{color:#eee;padding:8px 14px;border-radius:4px;font-size:14px;transition:all .3s}
.main-nav a:hover,.main-nav a.active{background:#4ecdc4;color:#1a1a2e}
.search-box{margin:0;padding:10px 20px;background:#16213e;text-align:center}
.search-box form{display:inline-flex;max-width:600px;width:100%}
.search-box input{flex:1;padding:10px 16px;border:2px solid #4ecdc4;border-radius:25px 0 0 25px;outline:none;font-size:14px;background:#0f3460;color:#fff}
.search-box input::placeholder{color:#aaa}
.search-box button{padding:10px 24px;background:#4ecdc4;border:none;border-radius:0 25px 25px 0;color:#1a1a2e;font-weight:700;cursor:pointer;font-size:14px}

/* Banner */
.hero-banner{position:relative;height:480px;overflow:hidden;display:flex;align-items:center;justify-content:center}
.hero-banner img{position:absolute;top:0;left:0;width:100%;height:100%;object-fit:cover}
.hero-overlay{position:absolute;top:0;left:0;width:100%;height:100%;background:linear-gradient(135deg,rgba(26,26,46,.85),rgba(15,52,96,.7))}
.hero-content{position:relative;z-index:2;text-align:center;color:#fff;padding:20px}
.hero-content h2{font-size:42px;margin-bottom:16px;text-shadow:0 2px 8px rgba(0,0,0,.5)}
.hero-content h2 em{font-style:normal;color:#e8d44d}
.hero-content p{font-size:18px;max-width:700px;margin:0 auto 20px;opacity:.9}
.hero-content .btn-group{display:flex;gap:12px;justify-content:center;flex-wrap:wrap}
.btn{display:inline-block;padding:12px 28px;border-radius:25px;font-weight:600;transition:all .3s;font-size:15px}
.btn-primary{background:#4ecdc4;color:#1a1a2e}
.btn-primary:hover{background:#26d0ce;transform:translateY(-2px);box-shadow:0 4px 15px rgba(78,205,196,.4)}
.btn-secondary{background:transparent;border:2px solid #e8d44d;color:#e8d44d}
.btn-secondary:hover{background:#e8d44d;color:#1a1a2e}

/* 视频卡片 */
.section-title{text-align:center;margin:50px 0 30px;position:relative}
.section-title h2{font-size:32px;color:#1a1a2e;display:inline-block;position:relative}
.section-title h2::after{content:'';position:absolute;bottom:-8px;left:50%;transform:translateX(-50%);width:60px;height:3px;background:#4ecdc4;border-radius:2px}
.section-title p{color:#636e72;margin-top:12px;font-size:15px}
.video-grid{display:grid;grid-template-columns:repeat(auto-fill,minmax(280px,1fr));gap:24px;padding:20px 0}
.video-card{background:#fff;border-radius:12px;overflow:hidden;box-shadow:0 4px 20px rgba(0,0,0,.08);transition:all .3s}
.video-card:hover{transform:translateY(-6px);box-shadow:0 12px 40px rgba(0,0,0,.15)}
.video-thumb{position:relative;padding-top:56.25%;overflow:hidden;cursor:pointer}
.video-thumb img{position:absolute;top:0;left:0;width:100%;height:100%;object-fit:cover;transition:transform .5s}
.video-card:hover .video-thumb img{transform:scale(1.05)}
.play-btn{position:absolute;top:50%;left:50%;transform:translate(-50%,-50%);width:60px;height:60px;background:rgba(78,205,196,.9);border-radius:50%;display:flex;align-items:center;justify-content:center;opacity:0;transition:opacity .3s}
.play-btn::after{content:'';border-style:solid;border-width:10px 0 10px 18px;border-color:transparent transparent transparent #fff;margin-left:4px}
.video-card:hover .play-btn{opacity:1}
.video-info{padding:16px}
.video-info h3{font-size:16px;margin-bottom:8px;color:#2d3436;line-height:1.4}
.video-meta{display:flex;gap:12px;font-size:12px;color:#636e72}
.video-meta span{display:flex;align-items:center;gap:4px}
.duration-tag{position:absolute;bottom:8px;right:8px;background:rgba(0,0,0,.75);color:#fff;padding:2px 8px;border-radius:4px;font-size:12px}

/* 模块区域 */
.module-section{padding:40px 0}
.module-section:nth-child(even){background:#fff}
.module-header{margin-bottom:30px}
.module-header h2{font-size:28px;color:#1a1a2e;margin-bottom:8px}
.module-header p{color:#636e72;font-size:14px}

/* 专家卡片 */
.expert-grid{display:grid;grid-template-columns:repeat(auto-fill,minmax(260px,1fr));gap:20px}
.expert-card{background:#fff;border-radius:12px;padding:24px;text-align:center;box-shadow:0 2px 12px rgba(0,0,0,.06);transition:all .3s}
.expert-card:hover{box-shadow:0 8px 30px rgba(0,0,0,.12)}
.expert-avatar{width:80px;height:80px;border-radius:50%;margin:0 auto 12px;background:#4ecdc4;display:flex;align-items:center;justify-content:center;font-size:32px;color:#fff}
.expert-card h4{font-size:18px;color:#2d3436;margin-bottom:4px}
.expert-card .role{color:#4ecdc4;font-size:13px;margin-bottom:8px}
.expert-card p{font-size:13px;color:#636e72;line-height:1.6}

/* FAQ */
.faq-list{max-width:800px;margin:0 auto}
.faq-item{background:#fff;border-radius:8px;margin-bottom:12px;overflow:hidden;box-shadow:0 2px 8px rgba(0,0,0,.04)}
.faq-item summary{padding:16px 20px;cursor:pointer;font-weight:600;color:#2d3436;font-size:15px;list-style:none;display:flex;justify-content:space-between;align-items:center}
.faq-item summary::after{content:'+';font-size:20px;color:#4ecdc4;transition:transform .3s}
.faq-item[open] summary::after{transform:rotate(45deg)}
.faq-item .faq-answer{padding:0 20px 16px;color:#636e72;font-size:14px;line-height:1.8}

/* 用户评论 */
.review-grid{display:grid;grid-template-columns:repeat(auto-fill,minmax(300px,1fr));gap:20px}
.review-card{background:#fff;border-radius:12px;padding:24px;box-shadow:0 2px 12px rgba(0,0,0,.06)}
.review-card .stars{color:#f39c12;margin-bottom:8px;font-size:16px}
.review-card p{font-size:14px;color:#555;line-height:1.7;margin-bottom:12px}
.review-card .reviewer{display:flex;align-items:center;gap:10px}
.reviewer-avatar{width:36px;height:36px;border-radius:50%;background:#e0e0e0}
.reviewer-name{font-size:13px;font-weight:600;color:#2d3436}
.reviewer-date{font-size:11px;color:#999}

/* 合作品牌 */
.brand-wall{display:flex;flex-wrap:wrap;gap:20px;justify-content:center;align-items:center;padding:30px 0}
.brand-wall .brand-item{background:#fff;padding:16px 24px;border-radius:8px;box-shadow:0 2px 8px rgba(0,0,0,.05);font-weight:600;color:#555}

/* 联系我们 */
.contact-grid{display:grid;grid-template-columns:repeat(auto-fill,minmax(280px,1fr));gap:24px}
.contact-card{background:#fff;border-radius:12px;padding:24px;box-shadow:0 2px 12px rgba(0,0,0,.06)}
.contact-card h4{color:#1a1a2e;margin-bottom:12px;font-size:16px}
.contact-card p{font-size:14px;color:#555;line-height:1.8}

/* 分享按钮 */
.share-bar{display:flex;gap:10px;justify-content:center;padding:20px 0;flex-wrap:wrap}
.share-btn{padding:8px 16px;border-radius:20px;font-size:13px;color:#fff;transition:all .3s}
.share-btn.wechat{background:#07c160}
.share-btn.weibo{background:#e6162d}
.share-btn.douyin{background:#161823}
.share-btn.bilibili{background:#fb7299}
.share-btn:hover{opacity:.85;transform:scale(1.05)}

/* 页脚 */
.site-footer{background:#1a1a2e;color:#ccc;padding:40px 20px 20px}
.footer-grid{display:grid;grid-template-columns:repeat(auto-fill,minmax(220px,1fr));gap:30px;max-width:1200px;margin:0 auto}
.footer-col h4{color:#4ecdc4;margin-bottom:12px;font-size:16px}
.footer-col p,.footer-col a{font-size:13px;color:#aaa;line-height:2}
.footer-col a:hover{color:#4ecdc4}
.footer-bottom{text-align:center;margin-top:30px;padding-top:20px;border-top:1px solid rgba(255,255,255,.1);font-size:12px;color:#888}
.footer-qr{display:flex;gap:20px;margin-top:10px}
.footer-qr .qr-item{text-align:center}
.footer-qr .qr-item img{width:100px;height:100px;background:#fff;border-radius:8px}
.footer-qr .qr-item span{display:block;margin-top:6px;font-size:11px;color:#aaa}

/* 面包屑 */
.breadcrumb{padding:12px 0;font-size:13px;color:#999}
.breadcrumb a{color:#4ecdc4}

/* 内页 */
.page-content{padding:40px 0;min-height:60vh}
.page-content h2{font-size:28px;color:#1a1a2e;margin-bottom:20px}
.page-content p{margin-bottom:16px;line-height:1.9;color:#444}

/* 响应式 */
@media(max-width:768px){
.header-inner{flex-direction:column;gap:10px}
.main-nav ul{flex-wrap:wrap;justify-content:center}
.hero-banner{height:360px}
.hero-content h2{font-size:28px}
.hero-content p{font-size:15px}
.video-grid{grid-template-columns:1fr}
.expert-grid{grid-template-columns:1fr}
.review-grid{grid-template-columns:1fr}
.footer-grid{grid-template-columns:1fr}
}
@media(max-width:480px){
.hero-banner{height:280px}
.hero-content h2{font-size:22px}
.section-title h2{font-size:24px}
}