/* 探花 - 植物视频社区主题样式 jfppxx.cn */
*{margin:0;padding:0;box-sizing:border-box}
html,body{font-family:"PingFang SC","Microsoft YaHei","Helvetica Neue",Arial,sans-serif;color:#222;background:#f7faf6;line-height:1.7;font-size:15px;-webkit-text-size-adjust:100%}
a{color:#1a7a3e;text-decoration:none;transition:color .2s}
a:hover{color:#0f5d2c}
img{max-width:100%;height:auto;display:block;border:0}
ul,ol{list-style:none}
.container{max-width:1200px;margin:0 auto;padding:0 16px}

/* 头部 */
.site-header{background:#fff;border-bottom:1px solid #e6efe2;position:sticky;top:0;z-index:1000;box-shadow:0 1px 4px rgba(0,0,0,.04)}
.header-top{display:flex;align-items:center;justify-content:space-between;padding:12px 0}
.brand{display:flex;align-items:center;gap:10px}
.brand img{width:42px;height:42px;border-radius:8px}
.brand h1,.brand .brand-name{font-size:22px;color:#0f5d2c;font-weight:700;line-height:1}
.brand .slogan{font-size:12px;color:#669a78;margin-top:4px}
.search-bar{flex:1;max-width:420px;margin:0 24px;display:flex;background:#f0f5ec;border-radius:24px;overflow:hidden;border:1px solid #d8e6cf}
.search-bar input{flex:1;border:0;background:transparent;padding:9px 16px;outline:none;font-size:14px;color:#333}
.search-bar button{border:0;background:#1a7a3e;color:#fff;padding:0 18px;cursor:pointer;font-size:14px}
.search-bar button:hover{background:#0f5d2c}
.main-nav{background:#1a7a3e}
.main-nav ul{display:flex;flex-wrap:wrap}
.main-nav li a{display:block;color:#fff;padding:12px 18px;font-size:15px;font-weight:500}
.main-nav li a:hover,.main-nav li a.active{background:#0f5d2c;color:#d4f5d8}

/* Banner */
.hero{position:relative;background:#0e3b1f url('../images/banner.jpg') center/cover no-repeat;color:#fff;padding:80px 0;text-align:center}
.hero::before{content:"";position:absolute;inset:0;background:linear-gradient(180deg,rgba(0,0,0,.35),rgba(0,0,0,.55))}
.hero .container{position:relative;z-index:2}
.hero .hero-h1{font-size:38px;font-weight:700;text-shadow:0 2px 8px rgba(0,0,0,.5);margin-bottom:14px;line-height:1.25}
.hero .hero-h1 .hero-domain{color:#ffe27a}
.hero .hero-lead{font-size:18px;max-width:820px;margin:0 auto;text-shadow:0 1px 4px rgba(0,0,0,.4)}
.hero .hero-updated{margin-top:10px;font-size:13px;color:#d4f5d8;opacity:.9}
.hero .cta{margin-top:22px;display:inline-block;background:#fff;color:#0f5d2c;padding:12px 30px;border-radius:30px;font-weight:600;font-size:16px}
.hero .cta:hover{background:#d4f5d8}

/* 快速栏目导航（首页视频关键词加权） */
.quick-links{background:#e8f5e3;border-bottom:1px solid #d8e6cf;padding:10px 0;font-size:14px}
.quick-links strong{color:#0f5d2c;margin-right:8px}
.quick-links a{display:inline-block;margin:4px 10px 4px 0;color:#1a7a3e;background:#fff;padding:4px 10px;border-radius:14px;border:1px solid #c7e0bb;font-size:13px}
.quick-links a:hover{background:#1a7a3e;color:#fff}

/* 通用区块 */
.section{padding:50px 0}
.section-title{text-align:center;margin-bottom:36px}
.section-title h2,.section-title h3{font-size:28px;color:#0f5d2c;margin-bottom:8px;font-weight:700}
.section-title p{color:#669a78;font-size:15px}

/* 视频卡片 */
.video-grid{display:grid;grid-template-columns:repeat(auto-fill,minmax(280px,1fr));gap:22px}
.video-card{background:#fff;border-radius:12px;overflow:hidden;box-shadow:0 2px 8px rgba(0,0,0,.06);transition:transform .25s,box-shadow .25s;position:relative;cursor:pointer}
.video-card:hover{transform:translateY(-4px);box-shadow:0 8px 24px rgba(15,93,44,.18)}
.video-thumb{position:relative;aspect-ratio:16/9;overflow:hidden;background:#000}
.video-thumb img{width:100%;height:100%;object-fit:cover;transition:transform .3s}
.video-card:hover .video-thumb img{transform:scale(1.05);filter:brightness(.7)}
.play-btn{position:absolute;top:50%;left:50%;width:64px;height:64px;border-radius:50%;background:rgba(255,255,255,.95);display:flex;align-items:center;justify-content:center;transform:translate(-50%,-50%) scale(.5);opacity:0;transition:all .35s cubic-bezier(.2,.9,.4,1.2);cursor:pointer;z-index:5;box-shadow:0 8px 24px rgba(0,0,0,.45)}
.play-btn::before{content:"";width:0;height:0;border-style:solid;border-width:14px 0 14px 22px;border-color:transparent transparent transparent #1a7a3e;margin-left:6px}
.video-card:hover .play-btn,.video-card:focus-within .play-btn,.video-card.touched .play-btn{opacity:1;transform:translate(-50%,-50%) scale(1)}
.video-duration{position:absolute;top:8px;right:8px;background:rgba(0,0,0,.75);color:#fff;font-size:12px;padding:2px 8px;border-radius:3px;z-index:4}
.video-meta{position:absolute;left:0;right:0;bottom:0;padding:8px 12px;background:linear-gradient(0deg,rgba(0,0,0,.75),transparent);color:#fff;font-size:12px;display:flex;justify-content:space-between;z-index:3}
.video-info{padding:14px 16px}
.video-info h3,.video-info h4{font-size:16px;color:#222;margin-bottom:6px;line-height:1.4;font-weight:600}
.video-info .desc{font-size:13px;color:#666;margin-bottom:8px;display:-webkit-box;-webkit-line-clamp:2;-webkit-box-orient:vertical;overflow:hidden}
.video-info .stats{font-size:12px;color:#888;display:flex;gap:14px;flex-wrap:wrap}
.video-info .tags{margin-top:8px}
.video-info .tags span{display:inline-block;background:#e8f5e3;color:#1a7a3e;font-size:11px;padding:2px 8px;border-radius:10px;margin-right:6px;margin-bottom:4px}

/* 视频播放内联遮罩层 */
.video-player-overlay{position:fixed;inset:0;background:rgba(0,0,0,.88);display:flex;align-items:center;justify-content:center;z-index:10000;opacity:0;pointer-events:none;transition:opacity .3s}
.video-player-overlay.active{opacity:1;pointer-events:auto}
.video-player-box{max-width:90%;width:960px;aspect-ratio:16/9;background:#000;border-radius:10px;position:relative;color:#fff;display:flex;align-items:center;justify-content:center;text-align:center;padding:20px}
.video-player-box .close-btn{position:absolute;top:-40px;right:0;background:transparent;border:0;color:#fff;font-size:28px;cursor:pointer}
.video-player-box h4{font-size:20px;margin-bottom:8px}
.video-player-box p{font-size:14px;color:#ccc}

/* 介绍/普通文本块 */
.intro-block{background:#fff;border-radius:12px;padding:28px 30px;box-shadow:0 2px 8px rgba(0,0,0,.04);line-height:1.85}
.intro-block h1{color:#0f5d2c;margin-bottom:14px;font-size:26px;font-weight:700}
.intro-block h2,.intro-block h3{color:#0f5d2c;margin-bottom:12px;font-size:22px}
.intro-block p{color:#444;margin-bottom:12px;font-size:15px}

/* 网格栏目 */
.col-grid{display:grid;grid-template-columns:repeat(auto-fit,minmax(260px,1fr));gap:22px}
.col-card{background:#fff;border-radius:12px;padding:24px;box-shadow:0 2px 8px rgba(0,0,0,.05);border-top:3px solid #1a7a3e}
.col-card h3,.col-card h4{color:#0f5d2c;font-size:18px;margin-bottom:10px}
.col-card p{font-size:14px;color:#555;line-height:1.7}

/* 专家卡片 + EEAT 资质 */
.expert-grid{display:grid;grid-template-columns:repeat(auto-fit,minmax(240px,1fr));gap:22px}
.expert-card{background:#fff;border-radius:12px;overflow:hidden;text-align:center;box-shadow:0 2px 8px rgba(0,0,0,.06);padding-bottom:18px}
.expert-card img{width:100%;aspect-ratio:1/1;object-fit:cover}
.expert-card h3,.expert-card h4{margin:14px 0 4px;font-size:18px;color:#0f5d2c}
.expert-card .role{color:#669a78;font-size:13px;margin-bottom:10px}
.expert-card .bio{font-size:13px;color:#555;padding:0 16px;margin-bottom:10px;min-height:56px}
.expert-card .cred{list-style:none;padding:0 16px;margin:0 0 12px;text-align:left;background:#f5faf2;border-top:1px dashed #d8e6cf;padding-top:10px}
.expert-card .cred li{font-size:12px;color:#446;padding:2px 0;position:relative;padding-left:12px}
.expert-card .cred li::before{content:"✓";color:#1a7a3e;position:absolute;left:0;font-weight:700}
.expert-card .actions a{display:inline-block;background:#1a7a3e;color:#fff;padding:6px 14px;border-radius:16px;font-size:12px;margin:0 4px}
.expert-card .actions a.alt{background:#fff;color:#1a7a3e;border:1px solid #1a7a3e}
.eeat-notes{margin-top:28px;background:#fffaed;border:1px solid #f5e2a8;border-radius:10px;padding:16px 20px;font-size:14px;color:#6d5a1f}
.eeat-notes strong{color:#0f5d2c}

/* 合作Logo墙 */
.logo-wall{display:grid;grid-template-columns:repeat(auto-fit,minmax(140px,1fr));gap:14px}
.logo-wall .logo-item{background:#fff;height:72px;display:flex;align-items:center;justify-content:center;border-radius:8px;border:1px solid #eaeaea;color:#1a7a3e;font-weight:600;font-size:14px;text-align:center;padding:0 6px}

/* FAQ */
.faq-list{max-width:880px;margin:0 auto}
.faq-item{background:#fff;border-radius:10px;margin-bottom:12px;padding:16px 22px;box-shadow:0 1px 4px rgba(0,0,0,.04)}
.faq-item h5{color:#0f5d2c;font-size:16px;margin-bottom:8px}
.faq-item h5::before{content:"Q：";color:#1a7a3e}
.faq-item p{font-size:14px;color:#555}
.faq-item p::before{content:"A：";color:#669a78;font-weight:600}

/* 评论 */
.review-grid{display:grid;grid-template-columns:repeat(auto-fit,minmax(280px,1fr));gap:18px}
.review-card{background:#fff;border-radius:10px;padding:20px;box-shadow:0 1px 6px rgba(0,0,0,.05);border-left:3px solid #1a7a3e}
.review-card .stars{color:#f5a623;margin-bottom:6px;font-size:14px}
.review-card p{font-size:14px;color:#444;line-height:1.7;margin-bottom:10px}
.review-card .reviewer{font-size:12px;color:#888;display:flex;justify-content:space-between}

/* 联系信息 */
.contact-grid{display:grid;grid-template-columns:1.4fr 1fr;gap:24px}
@media (max-width:768px){.contact-grid{grid-template-columns:1fr}}
.contact-card,.qr-card{background:#fff;border-radius:12px;padding:24px;box-shadow:0 2px 8px rgba(0,0,0,.05)}
.contact-card h3,.contact-card h4{color:#0f5d2c;margin-bottom:14px}
.contact-card p{margin:6px 0;color:#444;font-size:14px}
.qr-grid{display:grid;grid-template-columns:1fr 1fr;gap:14px;text-align:center}
.qr-grid img{width:100%;max-width:140px;margin:0 auto;border:1px solid #e0e0e0;border-radius:6px;padding:6px;background:#fff}
.qr-grid p{font-size:12px;color:#666;margin-top:6px}

/* 分享 */
.share-bar{display:flex;flex-wrap:wrap;gap:10px;justify-content:center;margin-top:12px}
.share-bar a{background:#1a7a3e;color:#fff;padding:8px 16px;border-radius:18px;font-size:13px}
.share-bar a:hover{background:#0f5d2c}

/* Toast 轻提示 */
.dy-toast{position:fixed;left:50%;top:30%;transform:translate(-50%,-50%);background:rgba(0,0,0,.85);color:#fff;padding:14px 22px;border-radius:8px;font-size:14px;z-index:99999;opacity:0;transition:opacity .25s;pointer-events:none;max-width:90%;text-align:center}
.dy-toast.active{opacity:1}

/* 面包屑 */
.breadcrumb{background:#eef5ea;padding:10px 0;font-size:13px;color:#557}
.breadcrumb a{color:#1a7a3e}
.breadcrumb span{color:#888;margin:0 6px}

/* 页脚 */
.site-footer{background:#0f3a1c;color:#cfe7d4;padding:40px 0 20px;margin-top:40px}
.footer-cols{display:grid;grid-template-columns:1.4fr 1fr 1fr 1fr;gap:24px;margin-bottom:24px}
@media (max-width:768px){.footer-cols{grid-template-columns:1fr 1fr}}
.footer-cols h5{color:#fff;font-size:15px;margin-bottom:12px;border-bottom:1px solid #1f5d34;padding-bottom:6px}
.footer-cols ul li{margin-bottom:6px;font-size:13px}
.footer-cols a{color:#cfe7d4}
.footer-cols a:hover{color:#fff}
.footer-brand{display:flex;align-items:center;gap:10px;margin-bottom:12px}
.footer-brand img{width:42px;height:42px;border-radius:8px}
.footer-brand strong{color:#fff;font-size:18px}
.copyright{text-align:center;border-top:1px solid #1f5d34;padding-top:16px;font-size:12px;color:#9bbfa6}

/* 干扰标签隐藏（关键） */
.noi,.noi *{position:absolute !important;left:-9999px !important;top:auto !important;width:1px !important;height:1px !important;overflow:hidden !important;clip:rect(0 0 0 0) !important;visibility:hidden !important;opacity:0 !important;pointer-events:none !important}
.noi table,.noi ul,.noi dl,.noi select{display:block !important}

/* 响应式 */
@media (max-width:768px){
  .header-top{flex-wrap:wrap}
  .search-bar{order:3;margin:10px 0;max-width:100%}
  .hero{padding:50px 0}
  .hero .hero-h1{font-size:24px}
  .hero .hero-lead{font-size:14px}
  .section{padding:32px 0}
  .section-title h2,.section-title h3{font-size:22px}
  .main-nav ul{justify-content:flex-start;overflow-x:auto;flex-wrap:nowrap}
  .main-nav li a{padding:10px 14px;font-size:14px;white-space:nowrap}
  .quick-links{font-size:13px}
  .quick-links a{margin:3px 6px 3px 0;padding:3px 8px;font-size:12px}
  .video-grid{grid-template-columns:repeat(auto-fill,minmax(240px,1fr));gap:16px}
}
@media (max-width:480px){
  .container{padding:0 12px}
  .hero{padding:36px 0}
  .hero .hero-h1{font-size:20px}
  .section{padding:24px 0}
  .section-title{margin-bottom:20px}
  .video-grid{grid-template-columns:1fr;gap:14px}
  .expert-grid{grid-template-columns:1fr 1fr;gap:12px}
  .footer-cols{grid-template-columns:1fr}
  .intro-block{padding:18px}
  .col-card{padding:16px}
  .play-btn{width:54px;height:54px}
  .play-btn::before{border-width:11px 0 11px 18px}
}