/* 抖阴植物视频社区 - 全站样式表 */
/* Reset & Base */
*{margin:0;padding:0;box-sizing:border-box}
html{scroll-behavior:smooth;font-size:16px}
body{font-family:"PingFang SC","Microsoft YaHei","Helvetica Neue",Arial,sans-serif;color:#333;background:#f8f9fa;line-height:1.8}
a{color:#1a7a3a;text-decoration:none;transition:color .3s}
a:hover{color:#0d5a28}
img{max-width:100%;height:auto;display:block}
ul,ol{list-style:none}
.container{max-width:1200px;margin:0 auto;padding:0 15px}
.clearfix::after{content:"";display:table;clear:both}

/* Header */
.site-header{background:#fff;box-shadow:0 2px 12px rgba(0,0,0,.08);position:sticky;top:0;z-index:999}
.header-top{display:flex;align-items:center;justify-content:space-between;padding:10px 0}
.logo-wrap{display:flex;align-items:center;gap:10px}
.logo-wrap img{height:50px;width:auto}
.logo-wrap h1{font-size:22px;color:#1a7a3a;font-weight:700}
.logo-wrap h1 span{color:#0d5a28}

/* Navigation */
.main-nav{background:#1a7a3a}
.main-nav ul{display:flex;justify-content:center;flex-wrap:wrap}
.main-nav li{position:relative}
.main-nav a{display:block;padding:12px 20px;color:#fff;font-size:15px;transition:background .3s}
.main-nav a:hover,.main-nav a.active{background:#0d5a28;color:#fff}

/* Search Bar */
.search-bar{background:#f0f7f2;padding:12px 0;border-bottom:1px solid #e0e8e2}
.search-bar form{display:flex;max-width:600px;margin:0 auto}
.search-bar input{flex:1;padding:10px 16px;border:2px solid #1a7a3a;border-radius:25px 0 0 25px;outline:none;font-size:14px}
.search-bar button{padding:10px 24px;background:#1a7a3a;color:#fff;border:2px solid #1a7a3a;border-radius:0 25px 25px 0;cursor:pointer;font-size:14px;transition:background .3s}
.search-bar button:hover{background:#0d5a28}

/* Banner */
.hero-banner{position:relative;overflow:hidden;max-height:500px}
.hero-banner img{width:100%;height:auto;object-fit:cover}
.hero-overlay{position:absolute;top:0;left:0;right:0;bottom:0;background:linear-gradient(to bottom,rgba(0,0,0,.2),rgba(0,0,0,.55));display:flex;align-items:center;justify-content:center;text-align:center;padding:20px}
.hero-content{color:#fff;max-width:800px}
.hero-content h2{font-size:42px;margin-bottom:15px;text-shadow:2px 2px 8px rgba(0,0,0,.5)}
.hero-content p{font-size:18px;line-height:1.8;text-shadow:1px 1px 4px rgba(0,0,0,.4)}

/* Breadcrumb */
.breadcrumb{padding:12px 0;font-size:13px;color:#888}
.breadcrumb a{color:#1a7a3a}
.breadcrumb span{margin:0 6px;color:#ccc}

/* Section Titles */
.section-title{text-align:center;margin:40px 0 30px;position:relative}
.section-title h2{font-size:28px;color:#1a7a3a;display:inline-block;position:relative;padding-bottom:12px}
.section-title h2::after{content:"";position:absolute;bottom:0;left:50%;transform:translateX(-50%);width:60px;height:3px;background:#1a7a3a;border-radius:2px}
.section-title p{color:#888;margin-top:10px;font-size:14px}

/* Video Cards */
.video-grid{display:grid;grid-template-columns:repeat(4,1fr);gap:20px;margin-bottom:40px}
.video-card{background:#fff;border-radius:10px;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 25px rgba(0,0,0,.15)}
.video-thumb{position:relative;overflow:hidden;padding-top:56.25%}
.video-thumb img{position:absolute;top:0;left:0;width:100%;height:100%;object-fit:cover;transition:transform .4s}
.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(26,122,58,.85);border-radius:50%;display:flex;align-items:center;justify-content:center;opacity:0;transition:opacity .3s;cursor:pointer}
.play-btn::after{content:"";border-left:20px solid #fff;border-top:12px solid transparent;border-bottom:12px solid transparent;margin-left:4px}
.video-card:hover .play-btn{opacity:1}
.video-info{padding:14px}
.video-info h3{font-size:15px;color:#333;margin-bottom:6px;overflow:hidden;text-overflow:ellipsis;white-space:nowrap}
.video-info .meta{display:flex;gap:12px;font-size:12px;color:#999}
.video-info .meta span{display:flex;align-items:center;gap:3px}
.video-tag{display:inline-block;background:#e8f5e9;color:#1a7a3a;padding:2px 8px;border-radius:3px;font-size:11px;margin-top:6px}

/* Content Sections */
.content-section{padding:40px 0}
.content-section:nth-child(even){background:#fff}
.content-section:nth-child(odd){background:#f8faf8}

/* Module Grid */
.module-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:25px}
.module-card{background:#fff;border-radius:10px;padding:25px;box-shadow:0 3px 12px rgba(0,0,0,.06);transition:transform .3s}
.module-card:hover{transform:translateY(-3px)}
.module-card h3{color:#1a7a3a;font-size:18px;margin-bottom:10px}
.module-card p{color:#666;font-size:14px;line-height:1.7}
.module-icon{font-size:36px;margin-bottom:15px;color:#1a7a3a}

/* Expert Cards */
.expert-grid{display:grid;grid-template-columns:repeat(4,1fr);gap:20px}
.expert-card{background:#fff;border-radius:10px;overflow:hidden;box-shadow:0 3px 12px rgba(0,0,0,.06);text-align:center;padding-bottom:20px}
.expert-card img{width:100%;height:220px;object-fit:cover}
.expert-card h4{margin:12px 0 4px;font-size:16px;color:#333}
.expert-card .role{color:#1a7a3a;font-size:13px;margin-bottom:8px}
.expert-card p{font-size:13px;color:#666;padding:0 15px;line-height:1.6}
.expert-card .btn-sm{display:inline-block;margin-top:10px;padding:6px 16px;background:#1a7a3a;color:#fff;border-radius:20px;font-size:12px;transition:background .3s}
.expert-card .btn-sm:hover{background:#0d5a28;color:#fff}

/* FAQ Section */
.faq-list{max-width:800px;margin:0 auto}
.faq-item{background:#fff;border-radius:8px;margin-bottom:12px;box-shadow:0 2px 8px rgba(0,0,0,.05);overflow:hidden}
.faq-question{padding:16px 20px;font-size:15px;font-weight:600;color:#333;cursor:pointer;display:flex;justify-content:space-between;align-items:center;transition:background .3s}
.faq-question:hover{background:#f0f7f2}
.faq-question::after{content:"+";font-size:20px;color:#1a7a3a;transition:transform .3s}
.faq-item.active .faq-question::after{transform:rotate(45deg)}
.faq-answer{padding:0 20px;max-height:0;overflow:hidden;transition:max-height .4s ease,padding .4s ease;font-size:14px;color:#666;line-height:1.8}
.faq-item.active .faq-answer{max-height:300px;padding:0 20px 16px}

/* Reviews */
.review-grid{display:grid;grid-template-columns:repeat(2,1fr);gap:20px}
.review-card{background:#fff;border-radius:10px;padding:20px;box-shadow:0 3px 12px rgba(0,0,0,.06);position:relative}
.review-card::before{content:"\201C";font-size:48px;color:#e0e8e2;position:absolute;top:8px;left:16px;font-family:Georgia,serif}
.review-content{padding-left:30px;font-size:14px;color:#555;line-height:1.8;margin-bottom:12px}
.review-author{display:flex;align-items:center;gap:10px;padding-left:30px}
.review-avatar{width:40px;height:40px;border-radius:50%;background:#1a7a3a;color:#fff;display:flex;align-items:center;justify-content:center;font-size:16px;font-weight:700}
.review-name{font-size:14px;font-weight:600;color:#333}
.review-date{font-size:12px;color:#999}
.stars{color:#f5a623;font-size:14px;margin-bottom:6px;padding-left:30px}

/* Partners */
.partner-wall{display:flex;flex-wrap:wrap;justify-content:center;gap:30px;align-items:center;padding:20px 0}
.partner-wall .partner-item{background:#fff;padding:15px 25px;border-radius:8px;box-shadow:0 2px 8px rgba(0,0,0,.05);font-size:16px;font-weight:600;color:#555}

/* How-To Guide */
.howto-steps{display:grid;grid-template-columns:repeat(4,1fr);gap:20px;margin:30px 0}
.howto-step{text-align:center;padding:20px}
.step-num{width:50px;height:50px;border-radius:50%;background:#1a7a3a;color:#fff;display:flex;align-items:center;justify-content:center;font-size:22px;font-weight:700;margin:0 auto 15px}
.howto-step h4{font-size:16px;color:#333;margin-bottom:8px}
.howto-step p{font-size:13px;color:#666}

/* Contact Section */
.contact-grid{display:grid;grid-template-columns:repeat(2,1fr);gap:30px}
.contact-info{background:#fff;border-radius:10px;padding:30px;box-shadow:0 3px 12px rgba(0,0,0,.06)}
.contact-info h3{color:#1a7a3a;font-size:20px;margin-bottom:15px}
.contact-info p{font-size:14px;color:#555;margin-bottom:10px;line-height:1.8}
.contact-info .info-item{display:flex;gap:10px;margin-bottom:12px;align-items:flex-start}
.contact-info .info-label{font-weight:600;color:#333;min-width:80px}

/* Share Buttons */
.share-bar{display:flex;gap:10px;justify-content:center;padding:20px 0;flex-wrap:wrap}
.share-btn{display:inline-flex;align-items:center;gap:6px;padding:8px 18px;border-radius:20px;color:#fff;font-size:13px;transition:opacity .3s;cursor:pointer}
.share-btn:hover{opacity:.85;color:#fff}
.share-wechat{background:#07c160}
.share-weibo{background:#e6162d}
.share-douyin{background:#161823}
.share-bilibili{background:#00a1d6}

/* Footer */
.site-footer{background:#1a2e1a;color:#ccc;padding:40px 0 20px}
.footer-grid{display:grid;grid-template-columns:repeat(4,1fr);gap:30px;margin-bottom:30px}
.footer-col h4{color:#fff;font-size:16px;margin-bottom:15px;position:relative;padding-bottom:10px}
.footer-col h4::after{content:"";position:absolute;bottom:0;left:0;width:30px;height:2px;background:#1a7a3a}
.footer-col p,.footer-col a{font-size:13px;color:#aaa;line-height:2}
.footer-col a:hover{color:#4caf50}
.footer-col img{max-width:120px;border-radius:6px;margin-top:5px}
.footer-bottom{border-top:1px solid #2a3e2a;padding-top:20px;text-align:center;font-size:13px;color:#888}
.footer-bottom p{margin-bottom:5px}

/* MCP Frontend Placeholder */
.mcp-widget{background:#f0f7f2;border:1px dashed #1a7a3a;border-radius:8px;padding:20px;text-align:center;margin:20px 0}
.mcp-widget p{color:#1a7a3a;font-size:14px}

/* Lazy Load Placeholder */
.lazy{opacity:0;transition:opacity .5s}
.lazy.loaded{opacity:1}

/* Inner Page Content */
.page-content{padding:40px 0;min-height:60vh}
.page-content h2{color:#1a7a3a;font-size:26px;margin-bottom:20px}
.page-content h3{color:#0d5a28;font-size:20px;margin:25px 0 12px}
.page-content p{font-size:15px;color:#555;line-height:1.9;margin-bottom:15px}
.page-content .highlight-box{background:#e8f5e9;border-left:4px solid #1a7a3a;padding:15px 20px;margin:20px 0;border-radius:0 8px 8px 0}

/* Tags */
.tag-cloud{display:flex;flex-wrap:wrap;gap:8px;margin:15px 0}
.tag-cloud .tag{background:#e8f5e9;color:#1a7a3a;padding:4px 12px;border-radius:15px;font-size:12px;transition:background .3s}
.tag-cloud .tag:hover{background:#1a7a3a;color:#fff}

/* Responsive */
@media(max-width:1024px){
.video-grid{grid-template-columns:repeat(3,1fr)}
.expert-grid{grid-template-columns:repeat(3,1fr)}
.module-grid{grid-template-columns:repeat(2,1fr)}
.footer-grid{grid-template-columns:repeat(2,1fr)}
}
@media(max-width:768px){
.video-grid{grid-template-columns:repeat(2,1fr)}
.expert-grid{grid-template-columns:repeat(2,1fr)}
.module-grid{grid-template-columns:1fr}
.review-grid{grid-template-columns:1fr}
.contact-grid{grid-template-columns:1fr}
.howto-steps{grid-template-columns:repeat(2,1fr)}
.hero-content h2{font-size:28px}
.hero-content p{font-size:15px}
.header-top{flex-direction:row;justify-content:space-between}
.footer-grid{grid-template-columns:1fr}
}
@media(max-width:480px){
.video-grid{grid-template-columns:1fr}
.expert-grid{grid-template-columns:1fr}
.howto-steps{grid-template-columns:1fr}
.hero-content h2{font-size:22px}
}

/* Header Right */
.header-right{display:flex;align-items:center;gap:15px}
.header-contact{display:block}

/* Mobile Menu Toggle */
.menu-toggle{display:none;flex-direction:column;gap:5px;background:none;border:none;cursor:pointer;padding:8px}
.menu-bar{display:block;width:25px;height:3px;background:#1a7a3a;border-radius:2px;transition:all .3s}

/* Footer Trust Links */
.footer-trust{display:flex;flex-wrap:wrap;justify-content:center;gap:20px;padding:20px 0;border-top:1px solid #2a3e2a;border-bottom:1px solid #2a3e2a;margin-bottom:20px}
.footer-trust a{color:#aaa;font-size:13px;transition:color .3s}
.footer-trust a:hover{color:#4caf50}

/* Today Recommend / Timeliness */
.today-section{background:linear-gradient(135deg,#e8f5e9,#f0f7f2);border:2px solid #1a7a3a;border-radius:12px;padding:25px;margin:20px 0}
.today-section h3{color:#1a7a3a;font-size:20px;margin-bottom:15px;display:flex;align-items:center;gap:8px}
.today-badge{display:inline-block;background:#ff6b35;color:#fff;padding:2px 10px;border-radius:12px;font-size:12px;font-weight:700;animation:pulse 2s infinite}
@keyframes pulse{0%,100%{opacity:1}50%{opacity:.6}}
.update-timeline{display:flex;flex-wrap:wrap;gap:15px;margin-top:15px}
.timeline-item{background:#fff;padding:10px 15px;border-radius:8px;border-left:3px solid #1a7a3a;font-size:13px;color:#555;flex:1;min-width:200px}
.timeline-item strong{color:#1a7a3a;display:block;margin-bottom:4px}

/* Video Player Overlay */
.video-player-overlay{position:relative;background:#000;border-radius:10px;overflow:hidden;margin:20px 0}
.video-player-overlay video,.video-player-overlay .video-placeholder{width:100%;display:block}
.video-placeholder{background:linear-gradient(135deg,#1a2e1a,#2d5a2d);padding-top:56.25%;position:relative}
.video-placeholder-text{position:absolute;top:50%;left:50%;transform:translate(-50%,-50%);color:#fff;text-align:center}
.video-placeholder-text .play-icon{width:80px;height:80px;background:rgba(26,122,58,.9);border-radius:50%;display:flex;align-items:center;justify-content:center;margin:0 auto 15px;cursor:pointer;transition:transform .3s}
.video-placeholder-text .play-icon:hover{transform:scale(1.1)}
.video-placeholder-text .play-icon::after{content:"";border-left:24px solid #fff;border-top:14px solid transparent;border-bottom:14px solid transparent;margin-left:5px}
.video-placeholder-text p{font-size:16px;margin-top:10px}

/* Expert Detail */
.expert-detail{display:grid;grid-template-columns:250px 1fr;gap:30px;margin:20px 0;background:#fff;border-radius:10px;padding:25px;box-shadow:0 3px 12px rgba(0,0,0,.06)}
.expert-detail img{width:100%;border-radius:10px}
.expert-detail .expert-bio h4{color:#1a7a3a;font-size:20px;margin-bottom:5px}
.expert-detail .expert-bio .credentials{display:flex;flex-wrap:wrap;gap:8px;margin:10px 0}
.expert-detail .expert-bio .credential-tag{background:#e8f5e9;color:#1a7a3a;padding:3px 10px;border-radius:12px;font-size:12px}

/* EEAT Trust Signals */
.trust-signals{display:grid;grid-template-columns:repeat(4,1fr);gap:15px;margin:20px 0}
.trust-item{text-align:center;padding:15px;background:#fff;border-radius:8px;box-shadow:0 2px 8px rgba(0,0,0,.05)}
.trust-item .trust-num{font-size:28px;font-weight:700;color:#1a7a3a}
.trust-item .trust-label{font-size:13px;color:#888;margin-top:5px}

@media(max-width:768px){
.menu-toggle{display:flex}
.main-nav ul{display:none;flex-direction:column}
.main-nav ul.show{display:flex}
.header-contact{display:none}
.header-right{justify-content:flex-end}
.expert-detail{grid-template-columns:1fr}
.trust-signals{grid-template-columns:repeat(2,1fr)}
}
@media(max-width:480px){
.trust-signals{grid-template-columns:1fr}
}

/* Interference tags - hidden but present */
.dkr-noise{position:absolute;width:0;height:0;overflow:hidden;opacity:0;pointer-events:none;z-index:-9999}