/* 91植物视频社区 - owenwtb.cn 全站样式 */
*{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:#f8faf5}
a{color:#2e7d32;text-decoration:none;transition:color .3s}
a:hover{color:#1b5e20}
img{max-width:100%;height:auto;display:block}
.container{max-width:1200px;margin:0 auto;padding:0 20px}
/* 干扰标签隐藏 */
.x5mxn{position:absolute;width:0;height:0;overflow:hidden;opacity:0;pointer-events:none;z-index:-9999}
/* 头部 */
.site-header{background:linear-gradient(135deg,#1b5e20 0%,#2e7d32 50%,#388e3c 100%);color:#fff;padding:12px 0;position:sticky;top:0;z-index:1000;box-shadow:0 2px 10px rgba(0,0,0,.15)}
.header-inner{display:flex;align-items:center;justify-content:space-between;flex-wrap:wrap}
.site-logo{display:flex;align-items:center;gap:12px}
.site-logo img{height:50px;width:auto;border-radius:6px}
.site-logo h1{font-size:1.4rem;font-weight:700;color:#fff;white-space:nowrap}
.site-logo h1 span{color:#a5d6a7;font-size:.85rem;display:block;font-weight:400}
.main-nav{display:flex;gap:6px;flex-wrap:wrap}
.main-nav a{color:#e8f5e9;padding:8px 14px;border-radius:6px;font-size:.9rem;transition:all .3s}
.main-nav a:hover,.main-nav a.active{background:rgba(255,255,255,.2);color:#fff}
/* 搜索框 */
.search-bar{background:#e8f5e9;padding:15px 0;border-bottom:1px solid #c8e6c9}
.search-box{display:flex;max-width:600px;margin:0 auto}
.search-box input{flex:1;padding:12px 18px;border:2px solid #81c784;border-right:none;border-radius:25px 0 0 25px;font-size:1rem;outline:none;transition:border-color .3s}
.search-box input:focus{border-color:#2e7d32}
.search-box button{padding:12px 28px;background:#2e7d32;color:#fff;border:2px solid #2e7d32;border-radius:0 25px 25px 0;cursor:pointer;font-size:1rem;transition:background .3s}
.search-box button:hover{background:#1b5e20}
/* Banner */
.hero-banner{position:relative;height:500px;overflow:hidden;background:#1b5e20}
.hero-banner img{width:100%;height:100%;object-fit:cover;opacity:.7}
.hero-overlay{position:absolute;top:0;left:0;right:0;bottom:0;display:flex;align-items:center;justify-content:center;background:linear-gradient(to bottom,rgba(27,94,32,.4),rgba(27,94,32,.7))}
.hero-content{text-align:center;color:#fff;max-width:800px;padding:0 20px}
.hero-content h2{font-size:2.5rem;margin-bottom:15px;text-shadow:2px 2px 4px rgba(0,0,0,.3)}
.hero-content p{font-size:1.15rem;line-height:1.9;text-shadow:1px 1px 2px rgba(0,0,0,.3)}
.hero-content .hero-tags{margin-top:20px;display:flex;flex-wrap:wrap;justify-content:center;gap:10px}
.hero-content .hero-tags span{background:rgba(255,255,255,.2);padding:6px 16px;border-radius:20px;font-size:.85rem;backdrop-filter:blur(4px)}
/* 通用区块 */
.section{padding:50px 0}
.section-alt{background:#fff}
.section-title{text-align:center;margin-bottom:40px}
.section-title h2{font-size:1.9rem;color:#1b5e20;margin-bottom:10px;position:relative;display:inline-block}
.section-title h2::after{content:'';display:block;width:60px;height:3px;background:linear-gradient(to right,#66bb6a,#2e7d32);margin:10px auto 0}
.section-title p{color:#666;font-size:1rem;max-width:700px;margin:0 auto}
/* 视频卡片网格 */
.video-grid{display:grid;grid-template-columns:repeat(auto-fill,minmax(280px,1fr));gap:24px}
.video-card{background:#fff;border-radius:12px;overflow:hidden;box-shadow:0 3px 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;padding-top:56.25%;background:#e0e0e0;overflow:hidden}
.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(46,125,50,.85);border-radius:50%;display:flex;align-items:center;justify-content:center;opacity:0;transition:opacity .3s;cursor:pointer}
.play-btn::after{content:'';width:0;height:0;border-left:22px solid #fff;border-top:13px solid transparent;border-bottom:13px solid transparent;margin-left:4px}
.video-card:hover .play-btn{opacity:1}
.video-duration{position:absolute;bottom:8px;right:8px;background:rgba(0,0,0,.75);color:#fff;padding:2px 8px;border-radius:4px;font-size:.75rem}
.video-info{padding:15px}
.video-info h3{font-size:1rem;color:#1b5e20;margin-bottom:8px;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:.8rem}
.video-meta span{display:flex;align-items:center;gap:4px}
.video-tags{padding:0 15px 15px;display:flex;flex-wrap:wrap;gap:6px}
.video-tags span{background:#e8f5e9;color:#2e7d32;padding:3px 10px;border-radius:12px;font-size:.75rem}
/* 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 3px 15px rgba(0,0,0,.08);text-align:center;padding:30px 20px;transition:transform .3s}
.expert-card:hover{transform:translateY(-5px)}
.expert-card img{width:120px;height:120px;border-radius:50%;object-fit:cover;margin:0 auto 15px;border:4px solid #e8f5e9}
.expert-card h3{color:#1b5e20;font-size:1.1rem;margin-bottom:5px}
.expert-card .role{color:#66bb6a;font-size:.85rem;margin-bottom:10px}
.expert-card p{color:#666;font-size:.85rem;line-height:1.6;margin-bottom:15px}
.expert-card .awards{color:#f57c00;font-size:.8rem;margin-bottom:12px}
.expert-card .btn-group{display:flex;gap:8px;justify-content:center}
.btn-sm{padding:6px 16px;border-radius:20px;font-size:.8rem;border:1px solid #2e7d32;color:#2e7d32;transition:all .3s;cursor:pointer;background:transparent}
.btn-sm:hover{background:#2e7d32;color:#fff}
.btn-sm.primary{background:#2e7d32;color:#fff}
.btn-sm.primary:hover{background:#1b5e20}
/* 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;cursor:pointer;display:flex;justify-content:space-between;align-items:center;font-weight:600;color:#1b5e20;transition:background .3s}
.faq-q:hover{background:#f1f8e9}
.faq-q::after{content:'+';font-size:1.3rem;color:#66bb6a;transition:transform .3s}
.faq-item.active .faq-q::after{transform:rotate(45deg)}
.faq-a{padding:0 24px;max-height:0;overflow:hidden;transition:all .3s;color:#555;line-height:1.8}
.faq-item.active .faq-a{padding:0 24px 18px;max-height:500px}
/* 用户评论 */
.review-grid{display:grid;grid-template-columns:repeat(auto-fill,minmax(280px,1fr));gap:20px}
.review-card{background:#fff;border-radius:12px;padding:24px;box-shadow:0 3px 12px rgba(0,0,0,.06)}
.review-card .stars{color:#f9a825;font-size:1rem;margin-bottom:10px}
.review-card p{color:#555;font-size:.9rem;line-height:1.7;margin-bottom:12px;font-style:italic}
.review-card .reviewer{display:flex;align-items:center;gap:10px}
.review-card .reviewer .avatar{width:40px;height:40px;border-radius:50%;background:#e8f5e9;display:flex;align-items:center;justify-content:center;color:#2e7d32;font-weight:700}
.review-card .reviewer .name{font-weight:600;color:#333;font-size:.85rem}
.review-card .reviewer .date{color:#999;font-size:.75rem}
/* 品牌墙 */
.brand-wall{display:flex;flex-wrap:wrap;justify-content:center;gap:30px;align-items:center}
.brand-wall .brand-item{background:#fff;padding:20px 30px;border-radius:10px;box-shadow:0 2px 8px rgba(0,0,0,.06);font-size:1rem;color:#555;font-weight:600;transition:transform .3s}
.brand-wall .brand-item:hover{transform:scale(1.05)}
/* How-To指南 */
.howto-steps{display:grid;grid-template-columns:repeat(auto-fill,minmax(220px,1fr));gap:20px;max-width:960px;margin:30px auto 0}
.howto-step{text-align:center;padding:25px 20px;background:#fff;border-radius:12px;box-shadow:0 3px 12px rgba(0,0,0,.06)}
.howto-step .step-num{width:50px;height:50px;background:linear-gradient(135deg,#66bb6a,#2e7d32);color:#fff;border-radius:50%;display:flex;align-items:center;justify-content:center;font-size:1.3rem;font-weight:700;margin:0 auto 12px}
.howto-step h4{color:#1b5e20;margin-bottom:8px}
.howto-step p{color:#666;font-size:.85rem}
/* 联系我们 */
.contact-grid{display:grid;grid-template-columns:repeat(auto-fill,minmax(300px,1fr));gap:30px}
.contact-card{background:#fff;border-radius:12px;padding:30px;box-shadow:0 3px 15px rgba(0,0,0,.08)}
.contact-card h3{color:#1b5e20;margin-bottom:15px;font-size:1.15rem}
.contact-card .info-item{display:flex;gap:10px;margin-bottom:12px;color:#555;font-size:.9rem}
.contact-card .info-item strong{color:#333;min-width:70px}
.contact-card .qr-codes{display:flex;gap:20px;margin-top:15px}
.contact-card .qr-codes img{width:120px;height:120px;border-radius:8px;border:2px solid #e8f5e9}
.contact-card .qr-codes .qr-label{text-align:center;font-size:.75rem;color:#666;margin-top:5px}
/* 社交分享 */
.share-bar{display:flex;gap:12px;justify-content:center;flex-wrap:wrap;margin-top:20px}
.share-btn{padding:8px 20px;border-radius:20px;font-size:.85rem;color:#fff;cursor:pointer;transition:opacity .3s;border:none}
.share-btn:hover{opacity:.85}
.share-btn.wechat{background:#07c160}
.share-btn.weibo{background:#e6162d}
.share-btn.douyin{background:#161823}
.share-btn.bilibili{background:#00a1d6}
/* AI赋能模块 */
.ai-grid{display:grid;grid-template-columns:repeat(auto-fill,minmax(260px,1fr));gap:24px}
.ai-card{background:linear-gradient(135deg,#e8f5e9,#fff);border-radius:12px;padding:30px;box-shadow:0 3px 15px rgba(0,0,0,.06);transition:transform .3s}
.ai-card:hover{transform:translateY(-3px)}
.ai-card .ai-icon{font-size:2.5rem;margin-bottom:15px}
.ai-card h3{color:#1b5e20;font-size:1.1rem;margin-bottom:10px}
.ai-card p{color:#555;font-size:.9rem;line-height:1.7}
/* 社区模块 */
.community-grid{display:grid;grid-template-columns:repeat(auto-fill,minmax(180px,1fr));gap:16px}
.community-item{background:#fff;border-radius:10px;padding:20px;text-align:center;box-shadow:0 2px 10px rgba(0,0,0,.06);transition:transform .3s}
.community-item:hover{transform:translateY(-3px)}
.community-item .icon{font-size:2rem;margin-bottom:10px}
.community-item h4{color:#1b5e20;font-size:.95rem;margin-bottom:5px}
.community-item p{color:#666;font-size:.8rem}
/* 面包屑 */
.breadcrumb{padding:12px 0;font-size:.85rem;color:#999}
.breadcrumb a{color:#2e7d32}
.breadcrumb span{margin:0 6px}
/* 底部 */
.site-footer{background:linear-gradient(135deg,#1b5e20,#2e7d32);color:#e8f5e9;padding:40px 0 0}
.footer-grid{display:grid;grid-template-columns:repeat(auto-fill,minmax(250px,1fr));gap:30px;margin-bottom:30px}
.footer-col h3{color:#fff;font-size:1.1rem;margin-bottom:15px;position:relative;padding-bottom:10px}
.footer-col h3::after{content:'';position:absolute;bottom:0;left:0;width:40px;height:2px;background:#66bb6a}
.footer-col p,.footer-col a{color:#a5d6a7;font-size:.85rem;line-height:2}
.footer-col a:hover{color:#fff}
.footer-col .footer-logo{height:40px;margin-bottom:10px;border-radius:4px}
.footer-bottom{border-top:1px solid rgba(255,255,255,.15);padding:20px 0;text-align:center;font-size:.8rem;color:#a5d6a7}
.footer-bottom .update-time{margin-top:5px;color:#81c784}
/* MCP前端代码区 */
.mcp-widget{background:rgba(0,0,0,.1);border-radius:8px;padding:15px;margin-top:15px;font-family:monospace;font-size:.75rem;color:#a5d6a7}
/* 响应式 */
@media(max-width:768px){
  .header-inner{flex-direction:column;gap:10px}
  .main-nav{justify-content:center}
  .hero-banner{height:350px}
  .hero-content h2{font-size:1.6rem}
  .hero-content p{font-size:.95rem}
  .video-grid{grid-template-columns:repeat(auto-fill,minmax(240px,1fr))}
  .section{padding:35px 0}
  .section-title h2{font-size:1.5rem}
  .footer-grid{grid-template-columns:1fr}
  .contact-grid{grid-template-columns:1fr}
}
@media(max-width:480px){
  .hero-banner{height:280px}
  .hero-content h2{font-size:1.3rem}
  .video-grid{grid-template-columns:1fr}
  .main-nav a{padding:6px 10px;font-size:.8rem}
  .expert-grid{grid-template-columns:1fr}
}