/* 抖阴 - 植物视频社区 全站样式 ucludmhq.cn */
*{margin:0;padding:0;box-sizing:border-box}
html{scroll-behavior:smooth;font-size:16px}
body{font-family:"Microsoft YaHei","PingFang SC","Helvetica Neue",Arial,sans-serif;color:#333;background:#f8f9fa;line-height:1.8}
a{color:#2d8c3c;text-decoration:none;transition:color .3s}
a:hover{color:#1a6b28}
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;color:#fff;position:sticky;top:0;z-index:1000;box-shadow:0 2px 10px rgba(0,0,0,.3)}
.header-inner{display:flex;align-items:center;justify-content:space-between;padding:10px 20px;max-width:1200px;margin:0 auto}
.logo-area{display:flex;align-items:center;gap:10px}
.logo-area img{height:50px;width:auto}
.logo-area h1{font-size:1.5rem;color:#4ade80;white-space:nowrap}
.logo-area h1 span{color:#fff;font-size:.8rem;display:block;font-weight:normal}
.main-nav{display:flex;gap:0;flex-wrap:wrap}
.main-nav a{color:#e0e0e0;padding:10px 14px;font-size:.9rem;transition:all .3s;border-bottom:2px solid transparent}
.main-nav a:hover,.main-nav a.active{color:#4ade80;border-bottom-color:#4ade80;background:rgba(74,222,128,.1)}
.nav-toggle{display:none;background:none;border:none;color:#fff;font-size:1.5rem;cursor:pointer}
/* 搜索框 */
.search-bar{background:#16213e;padding:12px 0}
.search-bar .container{display:flex;justify-content:center}
.search-box{display:flex;max-width:600px;width:100%}
.search-box input{flex:1;padding:10px 16px;border:2px solid #4ade80;border-right:none;border-radius:25px 0 0 25px;font-size:.95rem;outline:none;background:#fff}
.search-box button{padding:10px 24px;background:#4ade80;color:#1a1a2e;border:2px solid #4ade80;border-radius:0 25px 25px 0;font-weight:bold;cursor:pointer;font-size:.95rem;transition:background .3s}
.search-box button:hover{background:#22c55e}
/* Banner */
.hero-banner{position:relative;overflow:hidden;min-height:500px;display:flex;align-items:center;justify-content:center;background:#1a1a2e}
.hero-banner img{position:absolute;top:0;left:0;width:100%;height:100%;object-fit:cover;opacity:.6}
.hero-content{position:relative;z-index:2;text-align:center;color:#fff;padding:40px 20px;max-width:800px}
.hero-content h2{font-size:2.5rem;margin-bottom:15px;text-shadow:2px 2px 8px rgba(0,0,0,.7)}
.hero-content h3{font-size:1.3rem;font-weight:normal;margin-bottom:20px;text-shadow:1px 1px 4px rgba(0,0,0,.5)}
.hero-content p{font-size:1.05rem;line-height:1.8;text-shadow:1px 1px 3px rgba(0,0,0,.5)}
.hero-btn{display:inline-block;margin-top:20px;padding:12px 36px;background:#4ade80;color:#1a1a2e;font-weight:bold;border-radius:30px;font-size:1.1rem;transition:transform .3s,box-shadow .3s}
.hero-btn:hover{transform:translateY(-3px);box-shadow:0 6px 20px rgba(74,222,128,.4);color:#1a1a2e}
/* 区块通用 */
.section{padding:60px 0}
.section-alt{background:#fff}
.section-dark{background:#1a1a2e;color:#fff}
.section-title{text-align:center;margin-bottom:40px}
.section-title h2{font-size:2rem;color:#1a1a2e;position:relative;display:inline-block;padding-bottom:10px}
.section-title h2::after{content:'';position:absolute;bottom:0;left:50%;transform:translateX(-50%);width:60px;height:3px;background:#4ade80}
.section-dark .section-title h2{color:#4ade80}
.section-title p{color:#666;margin-top:10px;font-size:1rem}
.section-dark .section-title p{color:#aaa}
/* 视频卡片 */
.video-grid{display:grid;grid-template-columns:repeat(auto-fill,minmax(320px,1fr));gap:24px}
.video-card{background:#fff;border-radius:12px;overflow:hidden;box-shadow:0 4px 15px rgba(0,0,0,.08);transition:transform .3s,box-shadow .3s}
.video-card:hover{transform:translateY(-5px);box-shadow:0 8px 30px 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(74,222,128,.9);border-radius:50%;display:flex;align-items:center;justify-content:center;opacity:0;transition:opacity .3s;pointer-events:none}
.play-btn::after{content:'';border-style:solid;border-width:12px 0 12px 20px;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:1.05rem;margin-bottom:8px;color:#1a1a2e;line-height:1.4}
.video-info p{font-size:.85rem;color:#888;line-height:1.5}
.video-meta{display:flex;gap:15px;margin-top:10px;font-size:.8rem;color:#999}
.video-meta span{display:flex;align-items:center;gap:4px}
.video-tag{display:inline-block;padding:2px 10px;background:#e8f5e9;color:#2d8c3c;border-radius:12px;font-size:.75rem;margin-right:6px;margin-top:6px}
/* 模块卡片 */
.module-grid{display:grid;grid-template-columns:repeat(auto-fill,minmax(280px,1fr));gap:24px}
.module-card{background:#fff;border-radius:12px;padding:30px;text-align:center;box-shadow:0 4px 15px rgba(0,0,0,.06);transition:transform .3s}
.module-card:hover{transform:translateY(-5px)}
.module-card .icon{font-size:3rem;margin-bottom:15px}
.module-card h3{font-size:1.15rem;color:#1a1a2e;margin-bottom:10px}
.module-card p{font-size:.9rem;color:#666;line-height:1.7}
/* 专家卡片 */
.expert-grid{display:grid;grid-template-columns:repeat(auto-fill,minmax(260px,1fr));gap:24px}
.expert-card{background:#fff;border-radius:12px;overflow:hidden;box-shadow:0 4px 15px rgba(0,0,0,.08);text-align:center;transition:transform .3s}
.expert-card:hover{transform:translateY(-5px)}
.expert-card img{width:100%;height:260px;object-fit:cover}
.expert-card .info{padding:20px}
.expert-card h3{font-size:1.1rem;color:#1a1a2e;margin-bottom:5px}
.expert-card .role{color:#4ade80;font-size:.85rem;margin-bottom:10px}
.expert-card p{font-size:.85rem;color:#666;line-height:1.6}
.expert-card .btn-group{display:flex;gap:10px;justify-content:center;margin-top:15px}
.btn-sm{padding:6px 16px;border-radius:20px;font-size:.8rem;border:1px solid #4ade80;color:#4ade80;transition:all .3s}
.btn-sm:hover{background:#4ade80;color:#fff}
/* FAQ */
.faq-list{max-width:800px;margin:0 auto}
.faq-item{background:#fff;border-radius:10px;margin-bottom:12px;box-shadow:0 2px 8px rgba(0,0,0,.05);overflow:hidden}
.faq-q{padding:18px 24px;font-weight:bold;cursor:pointer;display:flex;justify-content:space-between;align-items:center;font-size:1rem;color:#1a1a2e;transition:background .3s}
.faq-q:hover{background:#f0fdf4}
.faq-q::after{content:'+';font-size:1.3rem;color:#4ade80;transition:transform .3s}
.faq-item.active .faq-q::after{transform:rotate(45deg)}
.faq-a{padding:0 24px;max-height:0;overflow:hidden;transition:max-height .4s ease,padding .4s;font-size:.9rem;color:#666;line-height:1.8}
.faq-item.active .faq-a{max-height:300px;padding:0 24px 18px}
/* 评论 */
.review-grid{display:grid;grid-template-columns:repeat(auto-fill,minmax(280px,1fr));gap:24px}
.review-card{background:#fff;border-radius:12px;padding:24px;box-shadow:0 4px 15px rgba(0,0,0,.06)}
.review-card .stars{color:#f59e0b;font-size:1.1rem;margin-bottom:10px}
.review-card blockquote{font-size:.9rem;color:#555;line-height:1.7;margin-bottom:12px;font-style:italic}
.review-card .reviewer{font-size:.85rem;color:#999;font-weight:bold}
/* 合作品牌 */
.brand-wall{display:flex;flex-wrap:wrap;justify-content:center;gap:30px;align-items:center}
.brand-wall img{height:60px;opacity:.6;transition:opacity .3s;filter:grayscale(100%)}
.brand-wall img:hover{opacity:1;filter:none}
/* 页脚 */
.site-footer{background:#0f0f23;color:#aaa;padding:50px 0 20px}
.footer-grid{display:grid;grid-template-columns:repeat(auto-fit,minmax(220px,1fr));gap:30px;margin-bottom:30px}
.footer-col h4{color:#4ade80;margin-bottom:15px;font-size:1rem}
.footer-col p,.footer-col a{font-size:.85rem;color:#888;line-height:2}
.footer-col a:hover{color:#4ade80}
.footer-col img{width:120px;border-radius:8px;margin-top:8px}
.footer-bottom{border-top:1px solid #222;padding-top:20px;text-align:center;font-size:.8rem;color:#666}
.footer-bottom a{color:#4ade80}
/* 社交分享 */
.share-bar{display:flex;gap:12px;justify-content:center;flex-wrap:wrap;margin-top:20px}
.share-btn{display:inline-flex;align-items:center;gap:6px;padding:8px 18px;border-radius:20px;font-size:.85rem;color:#fff;transition:transform .3s}
.share-btn:hover{transform:scale(1.05);color:#fff}
.share-wechat{background:#07c160}
.share-weibo{background:#e6162d}
.share-douyin{background:#161823}
.share-bilibili{background:#00a1d6}
/* 面包屑 */
.breadcrumb{padding:12px 0;font-size:.85rem;color:#888}
.breadcrumb a{color:#2d8c3c}
.breadcrumb span{margin:0 6px;color:#ccc}
/* 内页通用 */
.page-header{background:linear-gradient(135deg,#1a1a2e,#16213e);color:#fff;padding:60px 0;text-align:center}
.page-header h1{font-size:2rem;margin-bottom:10px}
.page-header p{font-size:1rem;color:#aaa}
.content-area{padding:40px 0}
.content-area article{background:#fff;border-radius:12px;padding:30px;box-shadow:0 4px 15px rgba(0,0,0,.06);margin-bottom:24px}
.content-area article h2{font-size:1.4rem;color:#1a1a2e;margin-bottom:15px;border-left:4px solid #4ade80;padding-left:12px}
.content-area article h3{font-size:1.15rem;color:#333;margin:15px 0 10px}
.content-area article p{font-size:.95rem;color:#555;line-height:1.9;margin-bottom:12px}
/* 联系页 */
.contact-grid{display:grid;grid-template-columns:repeat(auto-fit,minmax(300px,1fr));gap:30px}
.contact-card{background:#fff;border-radius:12px;padding:30px;box-shadow:0 4px 15px rgba(0,0,0,.06);text-align:center}
.contact-card h3{color:#1a1a2e;margin-bottom:10px}
.contact-card p{color:#666;font-size:.9rem}
/* MCP前端占位 */
.mcp-widget{background:#16213e;border-radius:12px;padding:30px;text-align:center;color:#aaa;margin:30px 0}
.mcp-widget h4{color:#4ade80;margin-bottom:10px}
/* 响应式 */
@media(max-width:768px){
.header-inner{flex-wrap:wrap}
.main-nav{display:none;width:100%;flex-direction:column;background:#16213e;position:absolute;top:100%;left:0;z-index:999}
.main-nav.show{display:flex}
.main-nav a{padding:12px 20px;border-bottom:1px solid #222}
.nav-toggle{display:block}
.hero-content h2{font-size:1.6rem}
.hero-banner{min-height:350px}
.video-grid{grid-template-columns:1fr}
.module-grid{grid-template-columns:1fr}
.expert-grid{grid-template-columns:1fr 1fr}
.footer-grid{grid-template-columns:1fr 1fr}
.search-box{max-width:100%}
}
@media(max-width:480px){
.expert-grid{grid-template-columns:1fr}
.footer-grid{grid-template-columns:1fr}
.hero-content h2{font-size:1.3rem}
}
/* 懒加载 */
img[loading="lazy"]{opacity:0;transition:opacity .5s}
img[loading="lazy"].loaded,img[loading="lazy"][src]{opacity:1}
/* 动画 */
@keyframes fadeInUp{from{opacity:0;transform:translateY(30px)}to{opacity:1;transform:translateY(0)}}
.animate-in{animation:fadeInUp .6s ease forwards}