/* 足交植物视频社区 - 全站样式 161178.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:#2d7d46;text-decoration:none;transition:color .3s}
a:hover{color:#1a5c30}
img{max-width:100%;height:auto;display:block}
.container{max-width:1200px;margin:0 auto;padding:0 15px}
/* 头部导航 */
.site-header{background:#1a3c24;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 15px;max-width:1200px;margin:0 auto}
.site-logo{display:flex;align-items:center;gap:10px}
.site-logo img{height:45px;width:auto}
.site-logo h1{font-size:22px;color:#fff;white-space:nowrap}
.site-logo h1 span{color:#7bc67e}
.main-nav{display:flex;gap:0}
.main-nav a{color:#e0e0e0;padding:10px 14px;font-size:14px;transition:all .3s;border-bottom:2px solid transparent}
.main-nav a:hover,.main-nav a.active{color:#7bc67e;border-bottom-color:#7bc67e}
/* 搜索框 */
.search-bar{background:#15331e;padding:10px 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 18px;border:2px solid #2d7d46;border-right:none;border-radius:25px 0 0 25px;font-size:14px;outline:none;background:#fff}
.search-box button{padding:10px 25px;background:#2d7d46;color:#fff;border:2px solid #2d7d46;border-radius:0 25px 25px 0;cursor:pointer;font-size:14px;transition:background .3s}
.search-box button:hover{background:#1a5c30}
/* Banner */
.hero-banner{position:relative;height:500px;overflow:hidden;background:#1a3c24}
.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;flex-direction:column;align-items:center;justify-content:center;text-align:center;padding:20px;background:linear-gradient(rgba(0,0,0,.3),rgba(0,0,0,.5))}
.hero-overlay h1{font-size:48px;color:#fff;margin-bottom:15px;text-shadow:2px 2px 8px rgba(0,0,0,.6)}
.hero-overlay h2{font-size:24px;color:#7bc67e;margin-bottom:10px;text-shadow:1px 1px 4px rgba(0,0,0,.5)}
.hero-overlay p{font-size:16px;color:#ddd;max-width:700px;line-height:1.8}
/* 更新时间标签 */
.update-badge{text-align:center;padding:10px 0;background:#e8f5e9;font-size:13px;color:#2d7d46;font-weight:bold}
.update-badge span{display:inline-flex;align-items:center;gap:5px}
/* 面包屑 */
.breadcrumb{padding:12px 0;font-size:13px;color:#666}
.breadcrumb a{color:#2d7d46}
.breadcrumb span,.breadcrumb .sep{margin:0 5px;color:#999}
/* 区块标题 */
.section{padding:50px 0}
.section:nth-child(even){background:#fff}
.section-title{text-align:center;margin-bottom:40px}
.section-title h2{font-size:32px;color:#1a3c24;margin-bottom:10px;position:relative;display:inline-block}
.section-title h2::after{content:'';display:block;width:60px;height:3px;background:#2d7d46;margin:10px auto 0}
.section-title p{color:#666;font-size:15px;margin-top:8px}
/* 视频卡片 */
.video-grid{display:grid;grid-template-columns:repeat(auto-fill,minmax(280px,1fr));gap:25px}
.video-card{background:#fff;border-radius:10px;overflow:hidden;box-shadow:0 3px 15px rgba(0,0,0,.08);transition:transform .3s,box-shadow .3s;cursor:pointer}
.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 video{position:absolute;top:0;left:0;width:100%;height:100%;object-fit:cover;display:none}
.video-thumb img.video-poster{position:absolute;top:0;left:0;width:100%;height:100%;object-fit:cover;transition:transform .3s}
.video-card:hover .video-thumb img.video-poster{transform:scale(1.05)}
.play-btn{position:absolute;top:50%;left:50%;transform:translate(-50%,-50%);width:60px;height:60px;background:rgba(45,125,70,.85);border-radius:50%;display:flex;align-items:center;justify-content:center;opacity:0;transition:opacity .3s;z-index:2}
.video-card:hover .play-btn{opacity:1}
.play-btn::after{content:'';display:block;width:0;height:0;border-style:solid;border-width:12px 0 12px 20px;border-color:transparent transparent transparent #fff;margin-left:4px}
.video-duration{position:absolute;bottom:8px;right:8px;background:rgba(0,0,0,.75);color:#fff;padding:2px 8px;border-radius:3px;font-size:12px;z-index:2}
.video-info{padding:15px}
.video-info h3{font-size:15px;color:#222;margin-bottom:8px;line-height:1.5;display:-webkit-box;-webkit-line-clamp:2;-webkit-box-orient:vertical;overflow:hidden}
.video-meta{display:flex;justify-content:space-between;font-size:12px;color:#999}
.video-meta span{display:flex;align-items:center;gap:3px}
.video-date{display:block;font-size:11px;color:#bbb;margin-top:5px}
/* 专家卡片 */
.expert-grid{display:grid;grid-template-columns:repeat(auto-fill,minmax(260px,1fr));gap:25px}
.expert-card{background:#fff;border-radius:10px;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-avatar{width:100px;height:100px;border-radius:50%;margin:0 auto 15px;overflow:hidden;border:3px solid #2d7d46}
.expert-avatar img{width:100%;height:100%;object-fit:cover}
.expert-card h3{font-size:18px;color:#1a3c24;margin-bottom:5px}
.expert-card .role{color:#2d7d46;font-size:14px;margin-bottom:10px}
.expert-card p{font-size:13px;color:#666;line-height:1.6;margin-bottom:15px}
.expert-card .awards{font-size:12px;color:#b8860b;margin-bottom:10px}
.btn{display:inline-block;padding:8px 20px;border-radius:25px;font-size:13px;transition:all .3s;border:none;cursor:pointer}
.btn-primary{background:#2d7d46;color:#fff}
.btn-primary:hover{background:#1a5c30;color:#fff}
.btn-outline{border:1px solid #2d7d46;color:#2d7d46;background:transparent}
.btn-outline:hover{background:#2d7d46;color:#fff}
/* FAQ */
.faq-list{max-width:800px;margin:0 auto}
.faq-item{border:1px solid #e0e0e0;border-radius:8px;margin-bottom:12px;overflow:hidden}
.faq-question{padding:18px 20px;background:#f5f5f5;cursor:pointer;font-weight:bold;font-size:15px;display:flex;justify-content:space-between;align-items:center;transition:background .3s}
.faq-question:hover{background:#e8f5e9}
.faq-question::after{content:'+';font-size:20px;color:#2d7d46;transition:transform .3s}
.faq-item.active .faq-question::after{transform:rotate(45deg)}
.faq-answer{padding:0 20px;max-height:0;overflow:hidden;transition:all .3s;font-size:14px;color:#555;line-height:1.8}
.faq-item.active .faq-answer{padding:15px 20px;max-height:500px}
/* 用户评论 */
.review-grid{display:grid;grid-template-columns:repeat(auto-fill,minmax(280px,1fr));gap:25px}
.review-card{background:#fff;border-radius:10px;padding:25px;box-shadow:0 3px 15px rgba(0,0,0,.08)}
.review-card .stars{color:#f5a623;font-size:16px;margin-bottom:10px}
.review-card p{font-size:14px;color:#555;line-height:1.8;margin-bottom:15px;font-style:italic}
.review-card .reviewer{display:flex;align-items:center;gap:10px}
.review-card .reviewer-name{font-weight:bold;font-size:14px;color:#333}
.review-card .reviewer-date{font-size:12px;color:#999}
/* 合作品牌墙 */
.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:grayscale(0)}
/* 社交分享 */
.share-btns{display:flex;gap:12px;flex-wrap:wrap;justify-content:center}
.share-btn{display:inline-flex;align-items:center;gap:6px;padding:8px 18px;border-radius:25px;color:#fff;font-size:13px;transition:opacity .3s}
.share-btn:hover{opacity:.8;color:#fff}
.share-wechat{background:#07c160}
.share-weibo{background:#e6162d}
.share-douyin{background:#161823}
.share-bilibili{background:#00a1d6}
/* 联系我们 */
.contact-grid{display:grid;grid-template-columns:repeat(auto-fill,minmax(280px,1fr));gap:25px}
.contact-card{background:#fff;border-radius:10px;padding:25px;box-shadow:0 3px 15px rgba(0,0,0,.08);text-align:center}
.contact-card h4{color:#1a3c24;margin-bottom:10px;font-size:16px}
.contact-card p{font-size:14px;color:#555}
/* 友情链接 */
.footer-links{text-align:center;padding:15px 0;margin:15px 0;border-top:1px solid rgba(255,255,255,.08);border-bottom:1px solid rgba(255,255,255,.08)}
.footer-links h4{color:#7bc67e;font-size:14px;margin-bottom:8px}
.footer-links a{color:#aaa;font-size:13px;transition:color .3s}
.footer-links a:hover{color:#7bc67e}
.footer-links span{color:#555;margin:0 5px}
/* 页脚 */
.site-footer{background:#1a3c24;color:#ccc;padding:40px 0 20px}
.footer-grid{display:grid;grid-template-columns:repeat(auto-fit,minmax(200px,1fr));gap:30px;margin-bottom:30px}
.footer-col h4{color:#7bc67e;font-size:16px;margin-bottom:15px}
.footer-col p,.footer-col a{font-size:13px;color:#aaa;display:block;margin-bottom:8px}
.footer-col a:hover{color:#7bc67e}
.footer-qr{display:flex;gap:20px;justify-content:center;margin:20px 0}
.footer-qr img{width:120px;height:120px;border-radius:8px}
.footer-bottom{text-align:center;padding-top:20px;border-top:1px solid rgba(255,255,255,.1);font-size:13px;color:#888}
.footer-bottom a{color:#7bc67e}
/* 内页通用 */
.page-header{background:linear-gradient(135deg,#1a3c24,#2d7d46);padding:60px 0;text-align:center;color:#fff}
.page-header h1{font-size:36px;margin-bottom:10px}
.page-header p{font-size:15px;opacity:.8}
.page-content{padding:40px 0}
.content-text{max-width:800px;margin:0 auto;font-size:15px;line-height:2}
.content-text h2{font-size:24px;color:#1a3c24;margin:30px 0 15px}
.content-text h3{font-size:20px;color:#2d7d46;margin:25px 0 12px}
.content-text p{margin-bottom:15px}
/* 模块网格 */
.module-grid{display:grid;grid-template-columns:repeat(auto-fill,minmax(350px,1fr));gap:25px}
.module-card{background:#fff;border-radius:10px;overflow:hidden;box-shadow:0 3px 15px rgba(0,0,0,.08);transition:transform .3s}
.module-card:hover{transform:translateY(-3px)}
.module-card img{width:100%;height:200px;object-fit:cover}
.module-card .module-body{padding:20px}
.module-card h3{font-size:18px;color:#1a3c24;margin-bottom:10px}
.module-card p{font-size:14px;color:#666;line-height:1.7}
.module-card .tags{margin-top:10px}
.module-card .tag{display:inline-block;background:#e8f5e9;color:#2d7d46;padding:3px 10px;border-radius:15px;font-size:12px;margin:3px}
/* How-To 指南 */
.howto-steps{max-width:800px;margin:0 auto}
.howto-step{display:flex;gap:20px;margin-bottom:30px;align-items:flex-start}
.step-num{width:50px;height:50px;background:#2d7d46;color:#fff;border-radius:50%;display:flex;align-items:center;justify-content:center;font-size:20px;font-weight:bold;flex-shrink:0}
.step-content h3{font-size:18px;color:#1a3c24;margin-bottom:8px}
.step-content p{font-size:14px;color:#555;line-height:1.7}
/* MCP前端 */
.mcp-widget{background:#f0f7f2;border:1px solid #c8e6c9;border-radius:10px;padding:20px;margin:20px 0;text-align:center}
.mcp-widget h4{color:#1a3c24;margin-bottom:10px}
.mcp-widget .mcp-status{display:inline-block;padding:5px 15px;background:#2d7d46;color:#fff;border-radius:15px;font-size:13px}
/* 响应式 */
@media(max-width:768px){
.header-inner{flex-direction:column;gap:10px}
.main-nav{flex-wrap:wrap;justify-content:center}
.main-nav a{padding:8px 10px;font-size:13px}
.hero-banner{height:350px}
.hero-overlay h1{font-size:30px}
.hero-overlay h2{font-size:18px}
.video-grid{grid-template-columns:repeat(auto-fill,minmax(240px,1fr))}
.module-grid{grid-template-columns:1fr}
.section{padding:30px 0}
.section-title h2{font-size:24px}
.footer-grid{grid-template-columns:1fr 1fr}
.page-header h1{font-size:26px}
}
@media(max-width:480px){
.main-nav a{padding:6px 8px;font-size:12px}
.hero-banner{height:280px}
.hero-overlay h1{font-size:24px}
.video-grid{grid-template-columns:1fr}
.footer-grid{grid-template-columns:1fr}
}
/* 标签云 */
.tag-cloud{display:flex;flex-wrap:wrap;gap:8px;justify-content:center;margin:20px 0}
.tag-cloud a{display:inline-block;padding:5px 15px;background:#e8f5e9;color:#2d7d46;border-radius:20px;font-size:13px;transition:all .3s}
.tag-cloud a:hover{background:#2d7d46;color:#fff}
/* 数据统计 */
.stats-row{display:flex;justify-content:center;gap:40px;flex-wrap:wrap;margin:30px 0}
.stat-item{text-align:center}
.stat-item .num{font-size:36px;font-weight:bold;color:#2d7d46}
.stat-item .label{font-size:14px;color:#666;margin-top:5px}