/* 91植物视频社区 - 主样式表 */
/* 857955.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:#2d7d32;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 20px}

/* 头部导航 */
.site-header{background:#fff;box-shadow:0 2px 8px 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 20px;max-width:1200px;margin:0 auto}
.logo-area{display:flex;align-items:center;gap:10px}
.logo-area img{width:48px;height:48px;object-fit:contain}
.logo-area h1{font-size:22px;color:#2d7d32;font-weight:700}
.logo-area h1 span{color:#1b5e20}
.main-nav{display:flex;gap:0}
.main-nav a{padding:12px 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:#2d7d32;border-bottom-color:#2d7d32}

/* 搜索框 */
.search-bar{background:#f0f7f0;padding:12px 0;border-bottom:1px solid #e0e8e0}
.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 #a5d6a7;border-right:none;border-radius:25px 0 0 25px;font-size:15px;outline:none;transition:border-color .3s}
.search-box input:focus{border-color:#2d7d32}
.search-box button{padding:10px 28px;background:#2d7d32;color:#fff;border:none;border-radius:0 25px 25px 0;font-size:15px;cursor:pointer;transition:background .3s}
.search-box button:hover{background:#1b5e20}

/* Banner区域 */
.hero-banner{position:relative;height:520px;overflow:hidden;background:#1a3a1a}
.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;justify-content:center;align-items:center;text-align:center;padding:40px;background:linear-gradient(to bottom,rgba(0,0,0,.2),rgba(0,0,0,.5))}
.hero-overlay h2{font-size:42px;color:#fff;margin-bottom:16px;text-shadow:2px 2px 8px rgba(0,0,0,.5)}
.hero-overlay h3{font-size:22px;color:#e8f5e9;margin-bottom:12px;font-weight:400}
.hero-overlay p{font-size:16px;color:#c8e6c9;max-width:700px;line-height:1.8}

/* 首屏视频标签强化 */
.hero-video-tags{display:flex;gap:10px;flex-wrap:wrap;justify-content:center;margin-top:18px}
.hero-video-tags span{background:rgba(76,175,80,.85);color:#fff;padding:6px 18px;border-radius:20px;font-size:14px;font-weight:500;backdrop-filter:blur(4px)}

/* 面包屑 */
.breadcrumb{padding:12px 0;font-size:14px;color:#888}
.breadcrumb a{color:#2d7d32}
.breadcrumb span{margin:0 6px;color:#aaa}

/* 通用section */
.section{padding:60px 0;opacity:1;transform:translateY(0);transition:opacity .6s ease,transform .6s ease}
.section.section-anim{opacity:0;transform:translateY(20px)}
.section.section-visible{opacity:1;transform:translateY(0)}
.section-alt{background:#fff}
.section-title{text-align:center;margin-bottom:40px}
.section-title h2{font-size:32px;color:#1b5e20;margin-bottom:10px;position:relative;display:inline-block}
.section-title h2::after{content:"";display:block;width:60px;height:3px;background:#4caf50;margin:10px auto 0}
.section-title h3{font-size:16px;color:#666;font-weight:400}

/* 视频卡片网格 */
.video-grid{display:grid;grid-template-columns:repeat(3,1fr);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 32px rgba(0,0,0,.15)}
.video-thumb{position:relative;padding-top:56.25%;overflow:hidden;background:#000;cursor:pointer}
.video-thumb img{position:absolute;top:0;left:0;width:100%;height:100%;object-fit:cover;transition:transform .4s ease}
.video-card:hover .video-thumb img{transform:scale(1.05)}
.play-btn{position:absolute;top:50%;left:50%;transform:translate(-50%,-50%);width:64px;height:64px;background:rgba(45,125,50,.85);border-radius:50%;display:flex;align-items:center;justify-content:center;opacity:0;transition:opacity .3s,transform .2s;cursor:pointer;z-index:5}
.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 .play-btn{opacity:1}
.play-btn:hover{transform:translate(-50%,-50%) scale(1.1)}
.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:3}
.video-info{padding:16px}
.video-info h4{font-size:16px;color:#333;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-tags{display:flex;gap:6px;margin-top:8px;flex-wrap:wrap}
.video-tags span{background:#e8f5e9;color:#2d7d32;padding:2px 10px;border-radius:12px;font-size:12px}

/* 视频卡片 EEAT 作者/时间信息 */
.video-author{display:flex;align-items:center;gap:8px;margin-top:10px;padding-top:10px;border-top:1px solid #f0f0f0;font-size:13px;color:#888}
.video-author strong{color:#2d7d32}
.video-author time{margin-left:auto;font-size:12px;color:#aaa}

/* H5视频弹层播放器 */
.video-modal{position:fixed;top:0;left:0;right:0;bottom:0;z-index:9999;display:flex;align-items:center;justify-content:center;opacity:0;visibility:hidden;transition:opacity .3s,visibility .3s}
.video-modal.active{opacity:1;visibility:visible}
.video-modal-overlay{position:absolute;top:0;left:0;right:0;bottom:0;background:rgba(0,0,0,.85);cursor:pointer}
.video-modal-content{position:relative;width:90%;max-width:900px;background:#000;border-radius:12px;overflow:hidden;z-index:1;transform:scale(.9);transition:transform .3s}
.video-modal.active .video-modal-content{transform:scale(1)}
.video-modal-close{position:absolute;top:12px;right:12px;width:40px;height:40px;background:rgba(255,255,255,.15);border:none;border-radius:50%;color:#fff;font-size:24px;cursor:pointer;z-index:10;display:flex;align-items:center;justify-content:center;transition:background .3s}
.video-modal-close:hover{background:rgba(255,255,255,.3)}
.video-modal-player{position:relative;width:100%;padding-top:56.25%;background:#000}
.video-modal-player video{position:absolute;top:0;left:0;width:100%;height:100%;object-fit:contain;background:#000}
.video-modal-info{padding:16px 20px;background:#1a1a1a}
.video-modal-info h4{color:#fff;font-size:16px;margin-bottom:6px}
.video-modal-info p{color:#aaa;font-size:14px}

/* 模块卡片 */
.module-grid{display:grid;grid-template-columns:repeat(4,1fr);gap:24px}
.module-card{background:#fff;border-radius:12px;padding:30px 24px;text-align:center;box-shadow:0 4px 16px rgba(0,0,0,.06);transition:transform .3s}
.module-card:hover{transform:translateY(-4px)}
.module-card .icon{font-size:48px;margin-bottom:16px}
.module-card h4{font-size:18px;color:#1b5e20;margin-bottom:10px}
.module-card p{font-size:14px;color:#666;line-height:1.7}

/* 专家团队 */
.team-grid{display:grid;grid-template-columns:repeat(4,1fr);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:220px;object-fit:cover}
.team-card .info{padding:20px}
.team-card h4{font-size:17px;color:#1b5e20;margin-bottom:6px}
.team-card .role{font-size:14px;color:#4caf50;margin-bottom:10px}
.team-card p{font-size:13px;color:#666;line-height:1.6}
.team-card .btn-group{display:flex;gap:8px;justify-content:center;margin-top:12px}
.btn-sm{padding:6px 16px;border-radius:20px;font-size:13px;border:1px solid #4caf50;color:#4caf50;transition:all .3s;display:inline-block}
.btn-sm:hover{background:#4caf50;color:#fff}

/* EEAT 专家资质徽章 */
.expert-badge{display:inline-flex;align-items:center;gap:4px;background:#e8f5e9;color:#2d7d32;padding:3px 10px;border-radius:12px;font-size:12px;margin-top:6px}
.expert-badge::before{content:"✓";font-weight:700}

/* 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;font-size:16px;font-weight:600;color:#1b5e20;cursor:pointer;display:flex;justify-content:space-between;align-items:center;transition:background .3s}
.faq-q:hover{background:#f0f7f0}
.faq-q::after{content:"+";font-size:22px;color:#4caf50;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;font-size:15px;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(2,1fr);gap:24px}
.review-card{background:#fff;border-radius:12px;padding:24px;box-shadow:0 4px 16px rgba(0,0,0,.06)}
.review-card .stars{color:#ff9800;font-size:18px;margin-bottom:10px}
.review-card p{font-size:15px;color:#555;line-height:1.7;margin-bottom:12px;font-style:italic}
.review-card .author{font-size:14px;color:#888;display:flex;align-items:center;gap:8px}
.review-card .author strong{color:#333}
.review-card .review-date{font-size:12px;color:#aaa;margin-left:auto}

/* 合作品牌墙 */
.partner-wall{display:flex;flex-wrap:wrap;justify-content:center;gap:30px;align-items:center}
.partner-wall img{height:50px;opacity:.6;transition:opacity .3s;filter:grayscale(100%)}
.partner-wall img:hover{opacity:1;filter:grayscale(0)}

/* 社交分享 */
.share-bar{display:flex;gap:12px;justify-content:center;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}
.share-btn:hover{opacity:.85;color:#fff}
.share-wechat{background:#07c160}
.share-weibo{background:#e6162d}
.share-douyin{background:#000}
.share-bilibili{background:#00a1d6}

/* 联系我们 */
.contact-grid{display:grid;grid-template-columns:repeat(2,1fr);gap:40px;align-items:start}
.contact-info h4{font-size:18px;color:#1b5e20;margin-bottom:12px}
.contact-info p{font-size:15px;color:#555;margin-bottom:8px;line-height:1.7}
.contact-qr{display:flex;gap:24px;margin-top:20px}
.contact-qr .qr-item{text-align:center}
.contact-qr .qr-item img{width:160px;height:160px;border-radius:8px;border:2px solid #e8f5e9}
.contact-qr .qr-item p{margin-top:8px;font-size:13px;color:#888}

/* How-To指南 */
.howto-steps{display:grid;grid-template-columns:repeat(4,1fr);gap:24px;margin-top:30px}
.howto-step{text-align:center;padding:24px}
.howto-step .num{width:48px;height:48px;background:#2d7d32;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 h5{font-size:16px;color:#1b5e20;margin-bottom:8px}
.howto-step p{font-size:14px;color:#666}

/* 页脚 */
.site-footer{background:#1a3a1a;color:#c8e6c9;padding:50px 0 20px}
.footer-grid{display:grid;grid-template-columns:repeat(4,1fr);gap:30px;margin-bottom:30px}
.footer-col h4{font-size:16px;color:#fff;margin-bottom:16px;position:relative;padding-bottom:10px}
.footer-col h4::after{content:"";position:absolute;bottom:0;left:0;width:30px;height:2px;background:#4caf50}
.footer-col p,.footer-col a{font-size:14px;color:#a5d6a7;line-height:2}
.footer-col a:hover{color:#fff}
.footer-col img{border-radius:6px}
.footer-bottom{border-top:1px solid rgba(255,255,255,.1);padding-top:20px;text-align:center;font-size:13px;color:#81c784}
.footer-bottom p{margin-bottom:6px}

/* MCP服务前端代码区 */
.mcp-widget{background:#f5f5f5;border:1px solid #e0e0e0;border-radius:8px;padding:20px;margin-top:20px;text-align:center}
.mcp-widget h5{font-size:15px;color:#333;margin-bottom:10px}
.mcp-widget .mcp-status{display:inline-flex;align-items:center;gap:6px;padding:6px 16px;background:#e8f5e9;border-radius:20px;font-size:13px;color:#2d7d32}
.mcp-widget .mcp-status::before{content:"";width:8px;height:8px;background:#4caf50;border-radius:50%;display:inline-block}

/* 按钮 */
.btn{display:inline-block;padding:12px 32px;border-radius:25px;font-size:15px;font-weight:500;transition:all .3s;cursor:pointer;border:none}
.btn-primary{background:#2d7d32;color:#fff}
.btn-primary:hover{background:#1b5e20;color:#fff}
.btn-outline{border:2px solid #2d7d32;color:#2d7d32;background:transparent}
.btn-outline:hover{background:#2d7d32;color:#fff}

/* EEAT 页面更新时间与作者信息条 */
.eeat-bar{background:#f0f7f0;border-left:4px solid #4caf50;padding:12px 20px;margin:16px 0;border-radius:0 8px 8px 0;display:flex;align-items:center;gap:20px;flex-wrap:wrap;font-size:14px;color:#555}
.eeat-bar strong{color:#1b5e20}
.eeat-bar time{color:#888}

/* 响应式 */
@media(max-width:1024px){
.video-grid{grid-template-columns:repeat(2,1fr)}
.module-grid{grid-template-columns:repeat(2,1fr)}
.team-grid{grid-template-columns:repeat(2,1fr)}
.footer-grid{grid-template-columns:repeat(2,1fr)}
.howto-steps{grid-template-columns:repeat(2,1fr)}
}
@media(max-width:768px){
.header-inner{flex-direction:column;gap:10px}
.main-nav{flex-wrap:wrap;justify-content:center}
.main-nav a{padding:8px 12px;font-size:14px}
.hero-banner{height:380px}
.hero-overlay h2{font-size:28px}
.hero-overlay h3{font-size:18px}
.video-grid{grid-template-columns:1fr}
.module-grid{grid-template-columns:1fr}
.team-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}
.section{padding:40px 0}
.section-title h2{font-size:24px}
/* 移动端播放按钮始终可见 */
.play-btn{opacity:.9!important}
/* 移动端视频弹层适配 */
.video-modal-content{width:96%;border-radius:8px}
.video-modal-info{padding:12px 16px}
.video-modal-info h4{font-size:14px}
.video-modal-info p{font-size:12px}
.eeat-bar{flex-direction:column;gap:6px}
}
@media(max-width:480px){
.hero-banner{height:300px}
.hero-overlay h2{font-size:22px}
.search-box input{padding:8px 14px;font-size:14px}
.search-box button{padding:8px 20px;font-size:14px}
.hero-video-tags span{font-size:12px;padding:4px 12px}
}

/* 懒加载 */
img[loading="lazy"]{transition:opacity .5s}

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