/* 麻豆传媒 - 植物视频社区 全站样式 */
*{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;line-height:1.8;background:#f9faf8}
a{color:#2e7d32;text-decoration:none;transition:color .3s}
a:hover{color:#1b5e20}
img{max-width:100%;height:auto;display:block}
ul,ol{list-style:none}
.container{max-width:1200px;margin:0 auto;padding:0 15px}

/* 隐藏干扰标签 */
.jrb{position:absolute;left:-9999px;top:-9999px;width:0;height:0;overflow:hidden;opacity:0;pointer-events:none;z-index:-1}

/* 头部导航 */
.site-header{background:#1a3c1a;color:#fff;position:sticky;top:0;z-index:1000;box-shadow:0 2px 10px rgba(0,0,0,.2)}
.header-top{display:flex;align-items:center;justify-content:space-between;padding:10px 0}
.logo-area{display:flex;align-items:center;gap:10px}
.logo-area img{width:50px;height:50px;border-radius:8px}
.logo-area h1{font-size:22px;color:#fff;font-weight:700}
.logo-area h1 span{color:#66bb6a}
.nav-menu{display:flex;gap:5px}
.nav-menu a{color:#e8f5e9;padding:8px 14px;border-radius:4px;font-size:14px;transition:all .3s;font-weight:500}
.nav-menu a:hover,.nav-menu a.active{background:#2e7d32;color:#fff}

/* 搜索框 */
.search-bar{background:#15331a;padding:8px 0}
.search-bar form{display:flex;max-width:600px;margin:0 auto}
.search-bar input{flex:1;padding:8px 15px;border:2px solid #2e7d32;border-radius:20px 0 0 20px;outline:none;font-size:14px;background:#fff}
.search-bar button{padding:8px 20px;background:#2e7d32;color:#fff;border:none;border-radius:0 20px 20px 0;cursor:pointer;font-size:14px;transition:background .3s}
.search-bar button:hover{background:#1b5e20}

/* Banner区域 */
.banner{position:relative;height:500px;overflow:hidden;background:#1a3c1a}
.banner img{width:100%;height:100%;object-fit:cover;filter:brightness(.7)}
.banner-content{position:absolute;top:50%;left:50%;transform:translate(-50%,-50%);text-align:center;color:#fff;z-index:2;width:90%;max-width:800px}
.banner-content h2{font-size:42px;margin-bottom:15px;text-shadow:2px 2px 8px rgba(0,0,0,.5);font-weight:800}
.banner-content p{font-size:18px;text-shadow:1px 1px 4px rgba(0,0,0,.5);line-height:1.6}
.banner-content .btn-group{margin-top:25px;display:flex;gap:15px;justify-content:center;flex-wrap:wrap}
.btn-primary{display:inline-block;padding:12px 30px;background:#2e7d32;color:#fff;border-radius:25px;font-size:16px;font-weight:600;transition:all .3s;border:2px solid #2e7d32}
.btn-primary:hover{background:#1b5e20;border-color:#1b5e20;color:#fff;transform:translateY(-2px)}
.btn-outline{display:inline-block;padding:12px 30px;background:transparent;color:#fff;border:2px solid #fff;border-radius:25px;font-size:16px;font-weight:600;transition:all .3s}
.btn-outline:hover{background:#fff;color:#1a3c1a;transform:translateY(-2px)}

/* 通用模块 */
.section{padding:60px 0}
.section-alt{background:#eef5ee}
.section-dark{background:#1a3c1a;color:#fff}
.section-title{text-align:center;margin-bottom:40px}
.section-title h2{font-size:32px;color:#1a3c1a;margin-bottom:10px;font-weight:700}
.section-title h3{font-size:24px;color:#2e7d32;margin-bottom:8px}
.section-title p{color:#666;font-size:16px;max-width:700px;margin:0 auto}
.section-dark .section-title h2{color:#fff}
.section-dark .section-title p{color:#c8e6c9}

/* 视频卡片 */
.video-grid{display:grid;grid-template-columns:repeat(auto-fill,minmax(350px,1fr));gap:25px}
.video-card{background:#fff;border-radius:12px;overflow:hidden;box-shadow:0 4px 15px rgba(0,0,0,.08);transition:all .3s;position:relative}
.video-card:hover{transform:translateY(-5px);box-shadow:0 8px 25px rgba(0,0,0,.15)}
.video-thumb{position:relative;padding-top:56.25%;overflow:hidden;background:#000}
.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,.9);border-radius:50%;display:flex;align-items:center;justify-content:center;opacity:0;transition:opacity .3s;cursor:pointer}
.video-card:hover .play-btn{opacity:1}
.play-btn::after{content:"";width:0;height:0;border-style:solid;border-width:12px 0 12px 20px;border-color:transparent transparent transparent #fff;margin-left:4px}
.video-info{padding:15px}
.video-info h4{font-size:16px;color:#1a3c1a;margin-bottom:8px;font-weight:600;display:-webkit-box;-webkit-line-clamp:2;-webkit-box-orient:vertical;overflow:hidden}
.video-meta{display:flex;gap:15px;color:#888;font-size:13px}
.video-meta span{display:flex;align-items:center;gap:4px}
.video-tag{display:inline-block;padding:2px 8px;background:#e8f5e9;color:#2e7d32;border-radius:10px;font-size:12px;margin-right:5px;margin-top:8px}
.video-duration{position:absolute;bottom:8px;right:8px;background:rgba(0,0,0,.7);color:#fff;padding:2px 8px;border-radius:4px;font-size:12px}

/* 分类模块 */
.category-grid{display:grid;grid-template-columns:repeat(auto-fill,minmax(250px,1fr));gap:20px}
.category-card{background:#fff;border-radius:12px;padding:25px;text-align:center;box-shadow:0 4px 12px rgba(0,0,0,.06);transition:all .3s;border:2px solid transparent}
.category-card:hover{border-color:#2e7d32;transform:translateY(-3px)}
.category-card .icon{font-size:40px;margin-bottom:15px}
.category-card h4{font-size:18px;color:#1a3c1a;margin-bottom:8px}
.category-card p{color:#666;font-size:14px}

/* 专家展示 */
.expert-grid{display:grid;grid-template-columns:repeat(auto-fill,minmax(270px,1fr));gap:25px}
.expert-card{background:#fff;border-radius:12px;overflow:hidden;box-shadow:0 4px 15px rgba(0,0,0,.08);text-align:center;transition:all .3s}
.expert-card:hover{transform:translateY(-5px);box-shadow:0 8px 25px rgba(0,0,0,.15)}
.expert-card img{width:150px;height:150px;border-radius:50%;object-fit:cover;margin:25px auto 15px;border:4px solid #e8f5e9}
.expert-card h4{font-size:18px;color:#1a3c1a;margin-bottom:5px}
.expert-card .role{color:#2e7d32;font-size:14px;margin-bottom:10px}
.expert-card p{padding:0 20px;color:#666;font-size:13px;margin-bottom:15px}
.expert-card .expert-links{padding:0 20px 20px;display:flex;gap:10px;justify-content:center}
.expert-card .expert-links a{padding:6px 15px;border:1px solid #2e7d32;color:#2e7d32;border-radius:20px;font-size:13px;transition:all .3s}
.expert-card .expert-links a:hover{background:#2e7d32;color:#fff}

/* FAQ */
.faq-list{max-width:800px;margin:0 auto}
.faq-item{background:#fff;border-radius:10px;margin-bottom:12px;overflow:hidden;box-shadow:0 2px 8px rgba(0,0,0,.05)}
.faq-question{padding:18px 25px;cursor:pointer;display:flex;justify-content:space-between;align-items:center;font-weight:600;color:#1a3c1a;font-size:16px;transition:background .3s}
.faq-question:hover{background:#f1f8e9}
.faq-question::after{content:"+";font-size:22px;color:#2e7d32;transition:transform .3s}
.faq-item.active .faq-question::after{transform:rotate(45deg)}
.faq-answer{padding:0 25px;max-height:0;overflow:hidden;transition:all .3s;color:#555}
.faq-item.active .faq-answer{padding:0 25px 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:25px;box-shadow:0 4px 12px rgba(0,0,0,.06);position:relative}
.review-card::before{content:"\201C";position:absolute;top:10px;left:15px;font-size:50px;color:#c8e6c9;font-family:serif;line-height:1}
.review-card .stars{color:#f9a825;margin-bottom:10px;font-size:16px}
.review-card p{color:#555;font-size:14px;margin-bottom:15px;padding-top:20px}
.review-card .reviewer{display:flex;align-items:center;gap:10px}
.review-card .reviewer-name{font-weight:600;color:#1a3c1a;font-size:14px}
.review-card .reviewer-date{color:#999;font-size:12px}

/* 合作品牌 */
.partner-grid{display:flex;flex-wrap:wrap;gap:20px;justify-content:center;align-items:center}
.partner-grid .partner-item{background:#fff;padding:15px 25px;border-radius:8px;box-shadow:0 2px 8px rgba(0,0,0,.05);font-size:16px;color:#1a3c1a;font-weight:600;transition:all .3s}
.partner-grid .partner-item:hover{transform:scale(1.05);box-shadow:0 4px 15px rgba(0,0,0,.1)}

/* 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 4px 12px rgba(0,0,0,.06)}
.contact-card h4{font-size:18px;color:#1a3c1a;margin-bottom:15px;padding-bottom:10px;border-bottom:2px solid #e8f5e9}
.contact-card p{color:#555;font-size:14px;margin-bottom:8px}
.contact-card .qr-code{text-align:center;margin-top:15px}
.contact-card .qr-code img{width:150px;height:150px;margin:0 auto;border-radius:8px}

/* 社交分享 */
.share-bar{display:flex;gap:10px;justify-content:center;flex-wrap:wrap;padding:20px 0}
.share-btn{display:inline-flex;align-items:center;gap:6px;padding:8px 18px;border-radius:20px;color:#fff;font-size:14px;transition:all .3s;cursor:pointer}
.share-btn:hover{transform:translateY(-2px);opacity:.9;color:#fff}
.share-wechat{background:#07c160}
.share-weibo{background:#e6162d}
.share-douyin{background:#000}
.share-bilibili{background:#00a1d6}

/* How-To指南 */
.howto-steps{display:grid;grid-template-columns:repeat(auto-fill,minmax(250px,1fr));gap:20px;margin-top:30px}
.howto-step{background:#fff;border-radius:12px;padding:25px;text-align:center;box-shadow:0 4px 12px rgba(0,0,0,.06);position:relative}
.howto-step .step-num{width:40px;height:40px;background:#2e7d32;color:#fff;border-radius:50%;display:flex;align-items:center;justify-content:center;font-size:18px;font-weight:700;margin:0 auto 15px}
.howto-step h4{color:#1a3c1a;margin-bottom:8px}
.howto-step p{color:#666;font-size:14px}

/* 页脚 */
.site-footer{background:#0d1f0d;color:#c8e6c9;padding:40px 0 0}
.footer-grid{display:grid;grid-template-columns:repeat(auto-fill,minmax(250px,1fr));gap:30px;padding-bottom:30px}
.footer-col h4{color:#fff;font-size:18px;margin-bottom:15px;padding-bottom:8px;border-bottom:2px solid #2e7d32}
.footer-col p,.footer-col a{color:#a5d6a7;font-size:14px;display:block;margin-bottom:6px}
.footer-col a:hover{color:#fff}
.footer-col .qr-wrap{display:flex;gap:15px;margin-top:10px}
.footer-col .qr-wrap img{width:100px;height:100px;border-radius:6px;border:2px solid #2e7d32}
.footer-bottom{border-top:1px solid #1a3c1a;padding:15px 0;text-align:center;font-size:13px;color:#81c784}
.footer-bottom a{color:#a5d6a7}

/* 面包屑 */
.breadcrumb{padding:12px 0;font-size:14px;color:#888}
.breadcrumb a{color:#2e7d32}
.breadcrumb span{margin:0 6px;color:#ccc}

/* AI赋能模块 */
.ai-grid{display:grid;grid-template-columns:repeat(auto-fill,minmax(350px,1fr));gap:25px}
.ai-card{background:linear-gradient(135deg,#1a3c1a,#2e7d32);border-radius:12px;padding:30px;color:#fff;transition:all .3s}
.ai-card:hover{transform:translateY(-3px);box-shadow:0 8px 25px rgba(0,0,0,.2)}
.ai-card h4{font-size:20px;margin-bottom:10px}
.ai-card p{color:#c8e6c9;font-size:14px}

/* 数据统计 */
.stats-bar{display:flex;justify-content:center;gap:40px;flex-wrap:wrap;padding:30px 0}
.stat-item{text-align:center}
.stat-item .num{font-size:36px;font-weight:800;color:#2e7d32}
.stat-item .label{font-size:14px;color:#666;margin-top:5px}
.section-dark .stat-item .num{color:#66bb6a}
.section-dark .stat-item .label{color:#c8e6c9}

/* 内页样式 */
.page-hero{background:linear-gradient(135deg,#1a3c1a,#2e7d32);padding:60px 0;text-align:center;color:#fff}
.page-hero h2{font-size:36px;margin-bottom:10px}
.page-hero p{font-size:16px;color:#c8e6c9}
.page-content{padding:40px 0}
.page-content article{background:#fff;border-radius:12px;padding:30px;box-shadow:0 4px 12px rgba(0,0,0,.06);margin-bottom:25px}
.page-content article h3{font-size:22px;color:#1a3c1a;margin-bottom:15px}
.page-content article p{color:#555;margin-bottom:12px}

/* MCP前端模块 */
.mcp-widget{background:#f1f8e9;border-radius:12px;padding:20px;margin-top:20px;border:1px dashed #2e7d32}
.mcp-widget h5{color:#2e7d32;margin-bottom:10px}
.mcp-widget .mcp-status{display:flex;align-items:center;gap:8px;font-size:14px;color:#555}
.mcp-widget .mcp-dot{width:8px;height:8px;border-radius:50%;background:#4caf50;animation:pulse 2s infinite}
@keyframes pulse{0%,100%{opacity:1}50%{opacity:.4}}

/* 响应式 */
@media(max-width:768px){
  .header-top{flex-direction:column;gap:10px}
  .nav-menu{flex-wrap:wrap;justify-content:center}
  .nav-menu a{padding:6px 10px;font-size:13px}
  .banner{height:350px}
  .banner-content h2{font-size:26px}
  .banner-content p{font-size:14px}
  .section{padding:40px 0}
  .section-title h2{font-size:24px}
  .video-grid{grid-template-columns:1fr}
  .category-grid{grid-template-columns:1fr 1fr}
  .expert-grid{grid-template-columns:1fr}
  .contact-grid{grid-template-columns:1fr}
  .footer-grid{grid-template-columns:1fr}
  .stats-bar{gap:20px}
  .stat-item .num{font-size:28px}
  .ai-grid{grid-template-columns:1fr}
  .howto-steps{grid-template-columns:1fr}
}
@media(max-width:480px){
  .banner{height:280px}
  .banner-content h2{font-size:22px}
  .category-grid{grid-template-columns:1fr}
  .review-grid{grid-template-columns:1fr}
  .btn-group{flex-direction:column;align-items:center}
}

/* 懒加载占位 */
img[loading="lazy"]{background:#e8f5e9;min-height:100px}

/* 动画 */
.fade-in{opacity:0;transform:translateY(20px);transition:all .6s ease}
.fade-in.visible{opacity:1;transform:translateY(0)}


/* 移动端菜单按钮 */
.menu-toggle{display:none;background:none;border:2px solid #66bb6a;color:#fff;font-size:24px;padding:5px 12px;border-radius:6px;cursor:pointer;transition:all .3s}
.menu-toggle:hover{background:#2e7d32}
@media(max-width:768px){
  .menu-toggle{display:block}
  .nav-menu{display:none;width:100%;flex-direction:column;align-items:stretch;background:#15331a;border-radius:8px;padding:10px;margin-top:10px}
  .nav-menu.active{display:flex}
  .nav-menu a{text-align:center;padding:10px;border-radius:6px}
}

/* 页脚信任链接 */
.footer-trust{display:flex;justify-content:center;gap:20px;flex-wrap:wrap;padding:15px 0;border-top:1px solid #1a3c1a;border-bottom:1px solid #1a3c1a;margin:15px 0}
.footer-trust a{color:#81c784;font-size:14px;transition:color .3s}
.footer-trust a:hover{color:#fff}

/* 面包屑增强 */
.breadcrumb{padding:12px 0;font-size:14px;color:#888}
.breadcrumb a{color:#2e7d32;transition:color .3s}
.breadcrumb a:hover{color:#1b5e20}
.breadcrumb span{margin:0 6px;color:#ccc}
.breadcrumb strong{color:#555}