/* 海角网植物视频社区 - 全站样式 avfej.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;line-height:1.8;background:#f9faf8}
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 20px}
/* 头部导航 */
.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:12px 20px;max-width:1200px;margin:0 auto}
.logo-area{display:flex;align-items:center;gap:10px}
.logo-area img{width:48px;height:48px}
.logo-area h1{font-size:22px;color:#2d7d46;font-weight:700}
.logo-area h1 span{color:#333}
.main-nav{display:flex;gap:0}
.main-nav a{padding:10px 16px;font-size:15px;color:#555;font-weight:500;transition:all .3s;border-bottom:3px solid transparent}
.main-nav a:hover,.main-nav a.active{color:#2d7d46;border-bottom-color:#2d7d46}
.nav-toggle{display:none;background:none;border:none;font-size:28px;cursor:pointer;color:#2d7d46}
/* 搜索框 */
.search-bar{background:#f0f5f1;padding:12px 0;border-bottom:1px solid #e0e8e2}
.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:15px;outline:none;background:#fff}
.search-box button{padding:10px 24px;background:#2d7d46;color:#fff;border:2px solid #2d7d46;border-radius:0 25px 25px 0;cursor:pointer;font-size:15px;transition:background .3s}
.search-box button:hover{background:#1a5c30}
/* Banner */
.hero-banner{position:relative;height:560px;overflow:hidden;background:#1a3a25}
.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(26,60,37,.85),rgba(45,125,70,.6));display:flex;align-items:center;justify-content:center}
.hero-content{text-align:center;color:#fff;max-width:860px;padding:20px}
.hero-content h2{font-size:42px;margin-bottom:16px;text-shadow:2px 2px 8px rgba(0,0,0,.3)}
.hero-content h3{font-size:20px;font-weight:400;margin-bottom:20px;opacity:.95}
.hero-content p{font-size:16px;line-height:1.9;opacity:.9;margin-bottom:24px}
.btn-primary{display:inline-block;padding:14px 36px;background:#2d7d46;color:#fff;border-radius:30px;font-size:16px;font-weight:600;transition:all .3s;border:2px solid #fff}
.btn-primary:hover{background:#fff;color:#2d7d46}
/* Banner统计数据 */
.hero-stats{display:flex;justify-content:center;gap:30px;margin-top:24px;flex-wrap:wrap}
.stat-item{text-align:center}
.stat-item strong{display:block;font-size:28px;font-weight:700;color:#fff}
.stat-item span{font-size:13px;opacity:.85}
/* 板块通用 */
.section{padding:60px 0}
.section-alt{background:#fff}
.section-title{text-align:center;margin-bottom:40px}
.section-title h2{font-size:32px;color:#1a3a25;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:16px;margin-top:8px}
/* 视频卡片 */
.video-grid{display:grid;grid-template-columns:repeat(auto-fill,minmax(340px,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}
.video-card:hover{transform:translateY(-6px);box-shadow:0 8px 30px rgba(0,0,0,.15)}
.video-card a{text-decoration:none;color:inherit}
.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)}
.video-preview{position:absolute;top:0;left:0;width:100%;height:100%;object-fit:cover;display:none}
.play-btn{position:absolute;top:50%;left:50%;transform:translate(-50%,-50%);width:64px;height:64px;background:rgba(45,125,70,.9);border-radius:50%;display:flex;align-items:center;justify-content:center;opacity:0;transition:opacity .3s;cursor:pointer;z-index:2}
.play-btn::after{content:'';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 .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:13px;z-index:2}
.video-info{padding:16px}
.video-info h3{font-size:17px;color:#1a3a25;margin-bottom:8px;line-height:1.5;display:-webkit-box;-webkit-line-clamp:2;-webkit-box-orient:vertical;overflow:hidden}
.video-info h3 a{color:#1a3a25;text-decoration:none}
.video-info h3 a:hover{color:#2d7d46}
.video-meta{display:flex;gap:16px;color:#999;font-size:13px}
.video-meta span{display:flex;align-items:center;gap:4px}
.video-tags{display:flex;gap:6px;margin-top:10px;flex-wrap:wrap}
.video-tags span{background:#e8f5e9;color:#2d7d46;padding:3px 10px;border-radius:12px;font-size:12px}
/* 分类模块 */
.category-grid{display:grid;grid-template-columns:repeat(4,1fr);gap:20px}
.category-card{background:#fff;border-radius:12px;padding:30px 20px;text-align:center;box-shadow:0 2px 12px rgba(0,0,0,.06);transition:all .3s;border:2px solid transparent}
.category-card:hover{border-color:#2d7d46;transform:translateY(-4px)}
.category-card .icon{font-size:42px;margin-bottom:12px}
.category-card h3{font-size:18px;color:#1a3a25;margin-bottom:8px}
.category-card p{color:#666;font-size:14px;line-height:1.6}
/* 专家团队 */
.team-grid{display:grid;grid-template-columns:repeat(auto-fill,minmax(260px,1fr));gap:24px}
.team-card{background:#fff;border-radius:12px;overflow:hidden;box-shadow:0 4px 16px rgba(0,0,0,.08);text-align:center;transition:transform .3s}
.team-card:hover{transform:translateY(-4px)}
.team-card img{width:100%;height:260px;object-fit:cover}
.team-card-info{padding:20px}
.team-card-info h3{font-size:18px;color:#1a3a25;margin-bottom:4px}
.team-card-info .role{color:#2d7d46;font-size:14px;margin-bottom:8px}
.team-card-info p{color:#666;font-size:14px;line-height:1.6}
.team-card-info .team-links{margin-top:12px;display:flex;justify-content:center;gap:10px}
.team-card-info .team-links a{padding:6px 16px;border:1px solid #2d7d46;border-radius:20px;font-size:13px;color:#2d7d46;transition:all .3s}
.team-card-info .team-links a:hover{background:#2d7d46;color:#fff}
/* 专家资质标签 */
.expert-credentials{display:flex;flex-wrap:wrap;justify-content:center;gap:6px;margin-top:10px;margin-bottom:8px}
.expert-credentials span{background:#e8f5e9;color:#2d7d46;padding:3px 10px;border-radius:12px;font-size:12px;font-weight:500}
/* 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-question{padding:18px 24px;font-size:16px;font-weight:600;color:#1a3a25;cursor:pointer;display:flex;justify-content:space-between;align-items:center;transition:background .3s}
.faq-question:hover{background:#f0f5f1}
.faq-question::after{content:'+';font-size:22px;color:#2d7d46;transition:transform .3s}
.faq-item.active .faq-question::after{transform:rotate(45deg)}
.faq-answer{padding:0 24px;max-height:0;overflow:hidden;transition:all .3s;color:#555;line-height:1.8}
.faq-item.active .faq-answer{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 2px 12px rgba(0,0,0,.06);border-left:4px solid #2d7d46}
.review-card .stars{color:#f5a623;font-size:16px;margin-bottom:8px}
.review-card p{color:#555;font-size:15px;line-height:1.7;margin-bottom:12px;font-style:italic}
.review-card .reviewer{display:flex;align-items:center;gap:10px}
.review-card .reviewer-name{font-weight:600;color:#1a3a25;font-size:14px}
.review-card .reviewer-date{color:#999;font-size:13px}
/* 合作品牌 */
.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,.05);font-size:18px;font-weight:700;color:#555;transition:all .3s}
.brand-wall .brand-item:hover{color:#2d7d46;box-shadow:0 4px 16px rgba(0,0,0,.12)}
/* 联系我们 */
.contact-grid{display:grid;grid-template-columns:repeat(auto-fill,minmax(280px,1fr));gap:24px}
.contact-card{background:#fff;border-radius:12px;padding:28px;box-shadow:0 2px 12px rgba(0,0,0,.06);text-align:center}
.contact-card h3{font-size:18px;color:#1a3a25;margin-bottom:12px}
.contact-card p{color:#666;font-size:14px;line-height:1.8}
.contact-card img{max-width:160px;margin:12px auto}
/* How-To指南 */
.howto-steps{display:grid;grid-template-columns:repeat(auto-fill,minmax(240px,1fr));gap:20px;margin-top:30px}
.howto-step{background:#fff;border-radius:12px;padding:28px;text-align:center;box-shadow:0 2px 12px rgba(0,0,0,.06);position:relative}
.howto-step .step-num{width:48px;height:48px;background:#2d7d46;color:#fff;border-radius:50%;display:flex;align-items:center;justify-content:center;font-size:20px;font-weight:700;margin:0 auto 16px}
.howto-step h4{font-size:17px;color:#1a3a25;margin-bottom:8px}
.howto-step p{color:#666;font-size:14px;line-height:1.6}
/* 分享按钮 */
.share-bar{display:flex;justify-content:center;gap:12px;padding:20px 0}
.share-btn{display:inline-flex;align-items:center;gap:6px;padding:8px 20px;border-radius:20px;color:#fff;font-size:14px;transition:opacity .3s}
.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}
/* 页脚 */
.site-footer{background:#1a3a25;color:#ccc;padding:50px 0 0}
.footer-grid{display:grid;grid-template-columns:repeat(auto-fill,minmax(240px,1fr));gap:30px;margin-bottom:40px}
.footer-col h3{color:#fff;font-size:18px;margin-bottom:16px;position:relative;padding-bottom:10px}
.footer-col h3::after{content:'';position:absolute;bottom:0;left:0;width:40px;height:2px;background:#2d7d46}
.footer-col p,.footer-col a{color:#aaa;font-size:14px;line-height:2}
.footer-col a:hover{color:#fff}
.footer-col img{max-width:120px;border-radius:8px;margin-top:8px}
.footer-links{border-top:1px solid rgba(255,255,255,.08);padding:20px 0;text-align:center}
.footer-links h4{color:#fff;font-size:15px;margin-bottom:8px}
.footer-links p{font-size:13px}
.footer-links a{color:#aaa;margin:0 4px}
.footer-links a:hover{color:#fff}
.footer-bottom{border-top:1px solid rgba(255,255,255,.1);padding:20px 0;text-align:center;font-size:13px;color:#888}
.footer-bottom a{color:#aaa}
/* MCP前端占位 */
.mcp-widget{background:#f0f5f1;border:2px dashed #2d7d46;border-radius:12px;padding:30px;text-align:center;margin:20px 0}
.mcp-widget h4{color:#2d7d46;margin-bottom:8px}
.mcp-widget p{color:#666;font-size:14px}
/* AI赋能 */
.ai-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:24px}
.ai-card{background:linear-gradient(135deg,#e8f5e9,#f1f8e9);border-radius:12px;padding:30px;text-align:center;transition:transform .3s;border:1px solid #c8e6c9}
.ai-card:hover{transform:translateY(-4px)}
.ai-card .ai-icon{font-size:48px;margin-bottom:14px}
.ai-card h3{font-size:18px;color:#1a3a25;margin-bottom:10px}
.ai-card p{color:#555;font-size:14px;line-height:1.7}
/* 面包屑 */
.breadcrumb{padding:12px 0;font-size:14px;color:#999}
.breadcrumb a{color:#2d7d46}
.breadcrumb span{margin:0 6px}
/* 响应式 */
@media(max-width:768px){
.header-inner{flex-wrap:wrap}
.main-nav{display:none;flex-direction:column;width:100%;padding:10px 0}
.main-nav.active{display:flex}
.nav-toggle{display:block}
.hero-banner{height:auto;min-height:420px}
.hero-content h2{font-size:26px}
.hero-content h3{font-size:16px}
.hero-stats{gap:16px}
.stat-item strong{font-size:22px}
.category-grid{grid-template-columns:repeat(2,1fr)}
.ai-grid{grid-template-columns:1fr}
.video-grid{grid-template-columns:1fr}
.team-grid{grid-template-columns:repeat(2,1fr)}
.footer-grid{grid-template-columns:1fr}
.contact-grid{grid-template-columns:1fr}
.review-grid{grid-template-columns:1fr}
}
@media(max-width:480px){
.category-grid{grid-template-columns:1fr}
.team-grid{grid-template-columns:1fr}
.hero-content h2{font-size:22px}
.hero-stats{flex-direction:column;gap:10px}
}
/* 干扰标签隐藏 */
.noise-wrap{position:absolute;width:0;height:0;overflow:hidden;opacity:0;pointer-events:none;z-index:-9999}