/* 抖阴植物视频社区 - 全站样式 */
/* Reset */
*,*::before,*::after{margin:0;padding:0;box-sizing:border-box}
html{scroll-behavior:smooth;font-size:16px}
body{font-family:"PingFang SC","Microsoft YaHei","Hiragino Sans GB",Arial,sans-serif;color:#333;line-height:1.8;background:#f8f9fa}
a{color:#2d8c3c;text-decoration:none;transition:color .3s}
a:hover{color:#1a6b28}
img{max-width:100%;height:auto;display:block}
ul,ol{list-style:none}
h1,h2,h3,h4,h5,h6{font-weight:700;line-height:1.4;color:#1a1a1a}

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

/* Header */
.site-header{background:#fff;box-shadow:0 2px 12px rgba(0,0,0,.08);position:sticky;top:0;z-index:1000}
.header-inner{display:flex;align-items:center;justify-content:space-between;padding:10px 0;max-width:1200px;margin:0 auto;padding-left:20px;padding-right:20px}
.logo-wrap{display:flex;align-items:center;gap:10px}
.logo-wrap img{width:48px;height:48px;border-radius:8px}
.logo-wrap .brand-name{font-size:24px;font-weight:800;color:#2d8c3c}
.logo-wrap .brand-name span{color:#1a6b28}

/* Navigation */
.main-nav ul{display:flex;gap:6px;flex-wrap:wrap}
.main-nav a{display:block;padding:8px 16px;font-size:15px;font-weight:500;color:#333;border-radius:6px;transition:all .3s}
.main-nav a:hover,.main-nav a.active{background:#e8f5e9;color:#2d8c3c}
.mobile-menu-btn{display:none;background:none;border:none;font-size:28px;cursor:pointer;color:#333}

/* Search Bar */
.search-bar{background:#e8f5e9;padding:12px 0;border-bottom:1px solid #c8e6c9}
.search-bar .container{display:flex;justify-content:center}
.search-form{display:flex;max-width:600px;width:100%;gap:8px}
.search-form input{flex:1;padding:10px 18px;border:2px solid #a5d6a7;border-radius:25px;font-size:15px;outline:none;transition:border-color .3s}
.search-form input:focus{border-color:#2d8c3c}
.search-form button{padding:10px 28px;background:#2d8c3c;color:#fff;border:none;border-radius:25px;font-size:15px;cursor:pointer;transition:background .3s}
.search-form button:hover{background:#1a6b28}

/* Banner */
.hero-banner{position:relative;height:520px;overflow:hidden;background:#1a1a1a}
.hero-banner img{width:100%;height:100%;object-fit:cover;opacity:.85}
.hero-overlay{position:absolute;top:0;left:0;right:0;bottom:0;background:linear-gradient(135deg,rgba(26,106,40,.7),rgba(0,0,0,.4));display:flex;align-items:center;justify-content:center}
.hero-content{text-align:center;color:#fff;max-width:800px;padding:20px}
.hero-content h1{font-size:42px;margin-bottom:16px;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)}
.hero-content .hero-tags{margin-top:20px;display:flex;gap:12px;justify-content:center;flex-wrap:wrap}
.hero-content .hero-tags span{background:rgba(255,255,255,.2);padding:6px 18px;border-radius:20px;font-size:14px;backdrop-filter:blur(4px)}

/* Section Common */
.section{padding:60px 0}
.section-alt{background:#fff}
.section-title{text-align:center;margin-bottom:40px}
.section-title h2{font-size:32px;color:#1a1a1a;margin-bottom:10px}
.section-title p{font-size:16px;color:#666;max-width:700px;margin:0 auto}
.section-title .green{color:#2d8c3c}

/* Video Card Grid */
.video-grid{display:grid;grid-template-columns:repeat(4,1fr);gap:24px}
.video-card{background:#fff;border-radius:12px;overflow:hidden;box-shadow:0 4px 16px rgba(0,0,0,.08);transition:transform .3s,box-shadow .3s;cursor:pointer}
.video-card:hover{transform:translateY(-6px);box-shadow:0 8px 32px rgba(0,0,0,.15)}
.video-thumb{position:relative;padding-top:56.25%;overflow:hidden;background:#e0e0e0}
.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(1.08)}
.video-play-btn{position:absolute;top:50%;left:50%;transform:translate(-50%,-50%);width:60px;height:60px;background:rgba(45,140,60,.85);border-radius:50%;display:flex;align-items:center;justify-content:center;opacity:0;transition:opacity .3s;pointer-events:none}
.video-play-btn::after{content:"";display:block;width:0;height:0;border-style:solid;border-width:12px 0 12px 22px;border-color:transparent transparent transparent #fff;margin-left:4px}
.video-card:hover .video-play-btn{opacity:1}
.video-info{padding:16px}
.video-info h3{font-size:16px;margin-bottom:8px;line-height:1.4;display:-webkit-box;-webkit-line-clamp:2;-webkit-box-orient:vertical;overflow:hidden}
.video-meta{display:flex;gap:16px;font-size:13px;color:#888}
.video-meta span{display:flex;align-items:center;gap:4px}
.video-duration{position:absolute;bottom:8px;right:8px;background:rgba(0,0,0,.75);color:#fff;padding:2px 8px;border-radius:4px;font-size:12px}

/* Expert Cards */
.expert-grid{display:grid;grid-template-columns:repeat(4,1fr);gap:24px}
.expert-card{background:#fff;border-radius:12px;padding:24px;text-align:center;box-shadow:0 4px 16px rgba(0,0,0,.08);transition:transform .3s}
.expert-card:hover{transform:translateY(-4px)}
.expert-card img{width:120px;height:120px;border-radius:50%;margin:0 auto 16px;object-fit:cover;border:4px solid #e8f5e9}
.expert-card h4{font-size:18px;margin-bottom:4px}
.expert-card .role{color:#2d8c3c;font-size:14px;margin-bottom:10px}
.expert-card p{font-size:14px;color:#666;line-height:1.6}
.expert-card .expert-btn{display:inline-block;margin-top:12px;padding:8px 20px;background:#e8f5e9;color:#2d8c3c;border-radius:20px;font-size:13px;transition:all .3s}
.expert-card .expert-btn:hover{background:#2d8c3c;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,.06);overflow:hidden}
.faq-question{padding:18px 24px;font-size:16px;font-weight:600;cursor:pointer;display:flex;justify-content:space-between;align-items:center;transition:background .3s}
.faq-question:hover{background:#f0f7f0}
.faq-question::after{content:"+";font-size:22px;color:#2d8c3c;transition:transform .3s}
.faq-item.active .faq-question::after{transform:rotate(45deg)}
.faq-answer{padding:0 24px;max-height:0;overflow:hidden;transition:max-height .4s ease,padding .4s ease;font-size:15px;color:#555;line-height:1.8}
.faq-item.active .faq-answer{max-height:300px;padding:0 24px 18px}

/* Reviews */
.review-grid{display:grid;grid-template-columns:repeat(2,1fr);gap:24px}
.review-card{background:#fff;border-radius:12px;padding:24px;box-shadow:0 4px 16px rgba(0,0,0,.08)}
.review-card .stars{color:#f5a623;font-size:18px;margin-bottom:8px}
.review-card .review-text{font-size:15px;color:#555;line-height:1.8;margin-bottom:12px;font-style:italic}
.review-card .reviewer{display:flex;align-items:center;gap:12px}
.review-card .reviewer-avatar{width:40px;height:40px;border-radius:50%;background:#e8f5e9;display:flex;align-items:center;justify-content:center;font-size:18px;color:#2d8c3c;font-weight:700}
.review-card .reviewer-name{font-weight:600;font-size:14px}
.review-card .reviewer-date{font-size:12px;color:#999}

/* Partner Logos */
.partner-grid{display:flex;flex-wrap:wrap;justify-content:center;gap:40px;align-items:center}
.partner-grid .partner-item{background:#fff;padding:20px 30px;border-radius:10px;box-shadow:0 2px 8px rgba(0,0,0,.06);font-size:20px;font-weight:700;color:#555;transition:transform .3s}
.partner-grid .partner-item:hover{transform:scale(1.05)}

/* How-To Guide */
.howto-steps{display:grid;grid-template-columns:repeat(4,1fr);gap:24px;margin-top:30px}
.howto-step{text-align:center;padding:24px;background:#fff;border-radius:12px;box-shadow:0 4px 16px rgba(0,0,0,.08)}
.howto-step .step-num{width:50px;height:50px;background:#2d8c3c;color:#fff;border-radius:50%;display:flex;align-items:center;justify-content:center;font-size:22px;font-weight:700;margin:0 auto 16px}
.howto-step h4{font-size:16px;margin-bottom:8px}
.howto-step p{font-size:14px;color:#666}

/* Contact Info */
.contact-grid{display:grid;grid-template-columns:repeat(2,1fr);gap:40px}
.contact-block{background:#fff;border-radius:12px;padding:30px;box-shadow:0 4px 16px rgba(0,0,0,.08)}
.contact-block h3{font-size:20px;margin-bottom:16px;color:#2d8c3c}
.contact-block p{margin-bottom:10px;font-size:15px;color:#555}
.contact-block .qr-wrap{display:flex;gap:20px;margin-top:16px}
.contact-block .qr-wrap img{width:140px;height:140px;border-radius:8px;border:2px solid #e8f5e9}

/* Share Buttons */
.share-bar{display:flex;gap:12px;justify-content:center;margin-top:30px;flex-wrap:wrap}
.share-btn{display:inline-flex;align-items:center;gap:6px;padding:10px 20px;border-radius:25px;color:#fff;font-size:14px;transition:opacity .3s;cursor:pointer}
.share-btn:hover{opacity:.85;color:#fff}
.share-btn.wechat{background:#07c160}
.share-btn.weibo{background:#e6162d}
.share-btn.douyin{background:#161823}
.share-btn.bilibili{background:#00a1d6}

/* AI Section */
.ai-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:24px}
.ai-card{background:#fff;border-radius:12px;padding:30px;text-align:center;box-shadow:0 4px 16px rgba(0,0,0,.08);transition:transform .3s}
.ai-card:hover{transform:translateY(-4px)}
.ai-card .ai-icon{font-size:48px;margin-bottom:16px}
.ai-card h4{font-size:18px;margin-bottom:10px}
.ai-card p{font-size:14px;color:#666;line-height:1.7}

/* Community Section */
.community-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:24px}
.community-card{background:#fff;border-radius:12px;overflow:hidden;box-shadow:0 4px 16px rgba(0,0,0,.08);transition:transform .3s}
.community-card:hover{transform:translateY(-4px)}
.community-card .card-body{padding:20px}
.community-card h4{font-size:17px;margin-bottom:8px}
.community-card p{font-size:14px;color:#666}
.community-card .tag{display:inline-block;background:#e8f5e9;color:#2d8c3c;padding:3px 12px;border-radius:12px;font-size:12px;margin-top:8px}

/* Breadcrumb */
.breadcrumb{padding:12px 0;font-size:14px;color:#888}
.breadcrumb a{color:#2d8c3c}
.breadcrumb span{margin:0 6px;color:#ccc}

/* Footer */
.site-footer{background:#1a2e1a;color:#ccc;padding:50px 0 20px}
.footer-grid{display:grid;grid-template-columns:repeat(4,1fr);gap:40px;margin-bottom:30px}
.footer-col h4{color:#fff;font-size:16px;margin-bottom:16px;padding-bottom:8px;border-bottom:2px solid #2d8c3c}
.footer-col p,.footer-col a{font-size:14px;color:#aaa;display:block;margin-bottom:8px;transition:color .3s}
.footer-col a:hover{color:#4caf50}
.footer-bottom{border-top:1px solid #2d3d2d;padding-top:20px;text-align:center;font-size:13px;color:#777}
.footer-qr{display:flex;gap:20px;margin-top:12px}
.footer-qr img{width:100px;height:100px;border-radius:6px}
.footer-qr p{font-size:12px;text-align:center;margin-top:4px}

/* MCP Frontend Placeholder */
.mcp-widget{background:#0d1f0d;border:1px solid #2d8c3c;border-radius:8px;padding:16px;margin-top:20px;font-size:13px;color:#4caf50}
.mcp-widget code{background:#1a2e1a;padding:2px 6px;border-radius:3px}

/* Page Inner */
.page-header{background:linear-gradient(135deg,#1a6b28,#2d8c3c);color:#fff;padding:60px 0;text-align:center}
.page-header h1{font-size:36px;margin-bottom:10px;color:#fff}
.page-header p{font-size:16px;opacity:.9}

/* Sidebar Video List */
.sidebar-videos{background:#fff;border-radius:12px;padding:20px;box-shadow:0 4px 16px rgba(0,0,0,.08);margin-top:30px}
.sidebar-videos h3{font-size:18px;margin-bottom:16px;padding-bottom:8px;border-bottom:2px solid #e8f5e9;color:#2d8c3c}
.sidebar-video-item{display:flex;gap:12px;padding:10px 0;border-bottom:1px solid #f0f0f0}
.sidebar-video-item:last-child{border-bottom:none}
.sidebar-video-item .thumb{width:120px;height:68px;border-radius:6px;overflow:hidden;flex-shrink:0;position:relative}
.sidebar-video-item .thumb img{width:100%;height:100%;object-fit:cover}
.sidebar-video-item .info h4{font-size:14px;margin-bottom:4px;line-height:1.4}
.sidebar-video-item .info p{font-size:12px;color:#888}

/* Tags */
.tag-cloud{display:flex;flex-wrap:wrap;gap:8px;margin-top:20px}
.tag-cloud a{display:inline-block;padding:6px 16px;background:#e8f5e9;color:#2d8c3c;border-radius:20px;font-size:13px;transition:all .3s}
.tag-cloud a:hover{background:#2d8c3c;color:#fff}

/* Interference tags hidden */
.d-none{display:none!important;position:absolute;left:-9999px;top:-9999px;width:0;height:0;overflow:hidden;opacity:0;pointer-events:none}

/* Responsive */
@media(max-width:1024px){
.video-grid{grid-template-columns:repeat(3,1fr)}
.expert-grid{grid-template-columns:repeat(2,1fr)}
.footer-grid{grid-template-columns:repeat(2,1fr)}
.howto-steps{grid-template-columns:repeat(2,1fr)}
.ai-grid{grid-template-columns:repeat(2,1fr)}
}
@media(max-width:768px){
.header-inner{flex-wrap:wrap}
.mobile-menu-btn{display:block}
.main-nav{display:none;width:100%;order:3}
.main-nav.active{display:block}
.main-nav ul{flex-direction:column;gap:0}
.main-nav a{padding:12px 16px;border-bottom:1px solid #f0f0f0}
.hero-banner{height:360px}
.hero-content h1{font-size:28px}
.hero-content p{font-size:15px}
.video-grid{grid-template-columns:repeat(2,1fr);gap:16px}
.expert-grid{grid-template-columns:1fr}
.review-grid{grid-template-columns:1fr}
.contact-grid{grid-template-columns:1fr}
.footer-grid{grid-template-columns:1fr}
.howto-steps{grid-template-columns:1fr}
.ai-grid{grid-template-columns:1fr}
.community-grid{grid-template-columns:1fr}
.section{padding:40px 0}
.section-title h2{font-size:24px}
}
@media(max-width:480px){
.video-grid{grid-template-columns:1fr}
.hero-banner{height:280px}
.hero-content h1{font-size:22px}
.search-form{flex-direction:column}
.search-form button{width:100%}
}