/* 抖阴 dpnvs37.cn 全站样式 */
*{box-sizing:border-box;margin:0;padding:0}
html,body{font-family:"Microsoft YaHei","PingFang SC","Helvetica Neue",Arial,sans-serif;color:#222;background:#f6faf4;line-height:1.7;-webkit-font-smoothing:antialiased}
a{color:#1f7a3f;text-decoration:none}
a:hover{color:#0b5a2b;text-decoration:underline}
img{max-width:100%;height:auto;display:block}
.container{max-width:1200px;margin:0 auto;padding:0 18px}

/* 顶部 */
.site-header{background:#fff;border-bottom:3px solid #2e9c5e;position:sticky;top:0;z-index:50;box-shadow:0 2px 8px rgba(0,0,0,.04)}
.header-inner{display:flex;align-items:center;justify-content:space-between;padding:10px 0}
.brand{display:flex;align-items:center;gap:10px;color:#1f7a3f;font-weight:800}
.brand img{width:46px;height:46px;border-radius:50%}
.brand .bname{font-size:22px;line-height:1}
.brand .btag{font-size:12px;color:#666;font-weight:400}

.nav ul{list-style:none;display:flex;gap:4px;flex-wrap:wrap}
.nav a{display:inline-block;padding:10px 14px;color:#264;border-radius:8px;font-weight:600}
.nav a:hover,.nav a.active{background:#eaf6ee;color:#0b5a2b;text-decoration:none}

.search-bar{background:#eefaf0;border-top:1px solid #d6ecdb}
.search-form{display:flex;align-items:center;max-width:900px;margin:0 auto;padding:10px 18px;gap:8px}
.search-form input{flex:1;padding:10px 14px;border:1px solid #cde3d3;border-radius:22px;outline:none;background:#fff;font-size:14px}
.search-form button{padding:10px 22px;border:none;border-radius:22px;background:#2e9c5e;color:#fff;cursor:pointer;font-weight:600}
.search-form button:hover{background:#1f7a3f}

/* banner */
.hero{position:relative;color:#fff;overflow:hidden;margin-bottom:24px}
.hero img{width:100%;max-height:520px;object-fit:cover}
.hero .hero-overlay{position:absolute;inset:0;background:linear-gradient(180deg,rgba(0,0,0,.15),rgba(0,0,0,.6))}
.hero .hero-inner{position:absolute;inset:0;display:flex;flex-direction:column;justify-content:center;padding:0 8%;gap:14px}
.hero h1{font-size:40px;line-height:1.2;text-shadow:0 2px 8px rgba(0,0,0,.4)}
.hero h1 small{display:block;font-size:16px;font-weight:400;margin-top:8px;color:#e8f7ec}
.hero .lead{font-size:16px;max-width:720px;color:#f5f9ee}
.hero .hero-cta{display:flex;gap:10px;flex-wrap:wrap;margin-top:6px}
.btn{display:inline-block;padding:10px 20px;border-radius:24px;font-weight:600;transition:all .2s}
.btn-primary{background:#2e9c5e;color:#fff}
.btn-primary:hover{background:#1f7a3f;color:#fff;text-decoration:none}
.btn-ghost{background:rgba(255,255,255,.18);color:#fff;border:1px solid rgba(255,255,255,.5)}
.btn-ghost:hover{background:rgba(255,255,255,.28);color:#fff;text-decoration:none}

/* 通用区块 */
section{padding:40px 0}
.section-head{margin-bottom:22px}
.section-head h2{font-size:26px;color:#1f7a3f;position:relative;padding-left:16px}
.section-head h2:before{content:"";position:absolute;left:0;top:6px;bottom:6px;width:6px;background:#2e9c5e;border-radius:3px}
.section-head .subtitle{color:#556;margin-top:4px;font-size:14px}

/* 视频卡片 */
.video-grid{display:grid;grid-template-columns:repeat(auto-fill,minmax(260px,1fr));gap:18px}
.video-card{background:#fff;border-radius:14px;overflow:hidden;box-shadow:0 4px 14px rgba(20,60,30,.08);transition:transform .25s,box-shadow .25s;position:relative}
.video-card:hover{transform:translateY(-3px);box-shadow:0 8px 22px rgba(20,60,30,.14)}
.video-card .cover{position:relative;overflow:hidden;aspect-ratio:3/2;background:#ddd}
.video-card .cover img{width:100%;height:100%;object-fit:cover;transition:transform .4s}
.video-card:hover .cover img{transform:scale(1.05)}
.video-card .play-btn{position:absolute;inset:0;display:flex;align-items:center;justify-content:center;background:rgba(0,0,0,.25);opacity:0;transition:opacity .25s}
.video-card:hover .play-btn{opacity:1}
.video-card .play-btn span{width:62px;height:62px;border-radius:50%;background:rgba(255,255,255,.9);display:flex;align-items:center;justify-content:center;box-shadow:0 4px 18px rgba(0,0,0,.3)}
.video-card .play-btn span:after{content:"";display:block;border-style:solid;border-width:12px 0 12px 20px;border-color:transparent transparent transparent #2e9c5e;margin-left:4px}
.video-card .meta{padding:14px 16px}
.video-card .meta h3{font-size:16px;margin-bottom:6px;color:#1f2d22}
.video-card .meta p{font-size:13px;color:#667}
.video-card .stat{display:flex;justify-content:space-between;margin-top:8px;font-size:12px;color:#869}
.video-card .stat span{display:inline-flex;align-items:center;gap:4px}

/* 植物传媒 */
.media-grid{display:grid;grid-template-columns:repeat(auto-fill,minmax(230px,1fr));gap:16px}
.media-card{background:#fff;border-radius:14px;padding:22px;box-shadow:0 2px 10px rgba(0,0,0,.05);border-top:4px solid #2e9c5e}
.media-card h3{font-size:17px;color:#1f7a3f;margin-bottom:8px}
.media-card p{font-size:13.5px;color:#556}

/* tiktok 娱乐 */
.tt-wrap{display:grid;grid-template-columns:repeat(auto-fill,minmax(260px,1fr));gap:16px}
.tt-card{background:linear-gradient(160deg,#fff,#eefaf0);border-radius:14px;padding:22px;border:1px solid #d8ecdf}
.tt-card h3{color:#1a6e39;margin-bottom:6px;font-size:17px}
.tt-card p{color:#445;font-size:13.5px}
.tt-card .tag{display:inline-block;margin-right:6px;margin-top:8px;padding:2px 10px;background:#dcf1e0;color:#1a6e39;border-radius:10px;font-size:12px}

/* AI 赋能 */
.ai-grid{display:grid;grid-template-columns:repeat(auto-fill,minmax(260px,1fr));gap:16px}
.ai-card{background:#0f3d22;color:#e6fff0;border-radius:14px;padding:22px}
.ai-card h3{color:#9be9b8;margin-bottom:6px;font-size:17px}
.ai-card p{color:#cfe9d5;font-size:13.5px}

/* 专家 */
.expert-grid{display:grid;grid-template-columns:repeat(auto-fill,minmax(220px,1fr));gap:18px}
.expert-card{background:#fff;border-radius:14px;overflow:hidden;box-shadow:0 3px 10px rgba(0,0,0,.06);text-align:center}
.expert-card img{aspect-ratio:1/1;object-fit:cover;width:100%}
.expert-card .meta{padding:14px}
.expert-card .meta h3{font-size:17px;color:#1f7a3f;margin-bottom:4px}
.expert-card .role{font-size:13px;color:#557}
.expert-card .award{font-size:12px;color:#c87300;margin-top:6px}
.expert-card .actions{padding:0 14px 14px;display:flex;gap:8px;justify-content:center}
.expert-card .actions a{font-size:12px;padding:6px 12px;border-radius:20px;background:#eaf6ee;color:#1a6e39}

/* partners */
.partner-wall{display:grid;grid-template-columns:repeat(auto-fill,minmax(180px,1fr));gap:12px;align-items:center}
.partner-wall img{background:#fff;border:1px solid #e3ebe4;border-radius:10px;padding:12px;height:90px;object-fit:contain}

/* faq */
.faq-list{background:#fff;border-radius:14px;padding:10px 18px;box-shadow:0 2px 10px rgba(0,0,0,.05)}
.faq-item{border-bottom:1px dashed #d9e6dc;padding:14px 0}
.faq-item:last-child{border-bottom:none}
.faq-q{font-weight:700;color:#1f7a3f;margin-bottom:6px}
.faq-a{color:#445;font-size:14px}

/* review */
.review-grid{display:grid;grid-template-columns:repeat(auto-fill,minmax(260px,1fr));gap:16px}
.review-card{background:#fff;border-radius:14px;padding:18px;box-shadow:0 2px 10px rgba(0,0,0,.05);border-left:4px solid #2e9c5e}
.review-card .user{display:flex;align-items:center;gap:10px;margin-bottom:8px}
.review-card .avatar{width:40px;height:40px;border-radius:50%;background:#c9ead2;color:#1a6e39;display:flex;align-items:center;justify-content:center;font-weight:700}
.review-card .star{color:#f4a622;font-size:14px}
.review-card p{color:#445;font-size:13.5px}

/* join */
.join-steps{display:grid;grid-template-columns:repeat(auto-fill,minmax(220px,1fr));gap:14px}
.step{background:#fff;border-radius:14px;padding:20px;border:1px dashed #bcd9c4}
.step .n{display:inline-block;width:34px;height:34px;background:#2e9c5e;color:#fff;border-radius:50%;text-align:center;line-height:34px;font-weight:700;margin-bottom:8px}

/* contact */
.contact-grid{display:grid;grid-template-columns:1.3fr 1fr;gap:24px}
.contact-info,.contact-qrs{background:#fff;border-radius:14px;padding:22px;box-shadow:0 2px 10px rgba(0,0,0,.05)}
.contact-info h3{color:#1f7a3f;margin-bottom:10px}
.contact-info ul{list-style:none}
.contact-info li{padding:6px 0;border-bottom:1px dashed #e1ece3;color:#334}
.contact-info li strong{color:#1f7a3f}
.qr-wrap{display:flex;gap:16px;flex-wrap:wrap;justify-content:center}
.qr-item{text-align:center}
.qr-item img{width:150px;height:150px;border:1px solid #d8ecdf;border-radius:10px;padding:6px;background:#fff}
.qr-item p{margin-top:6px;font-size:13px;color:#455}

/* share */
.share-bar{display:flex;gap:8px;flex-wrap:wrap;margin-top:14px}
.share-bar a{padding:7px 14px;border-radius:20px;background:#eaf6ee;color:#1a6e39;font-size:13px}

/* 面包屑 */
.breadcrumb{background:#eef6f0;padding:10px 0;font-size:13px;color:#557}
.breadcrumb a{color:#1f7a3f}

/* 视频播放器（h5 占位） */
.player{background:#000;border-radius:14px;overflow:hidden;position:relative;aspect-ratio:16/9;margin:18px 0}
.player video{width:100%;height:100%;display:block;background:#000}
.player .poster-btn{position:absolute;inset:0;display:flex;align-items:center;justify-content:center;cursor:pointer;background-size:cover;background-position:center}
.player .poster-btn:after{content:"";width:90px;height:90px;border-radius:50%;background:rgba(0,0,0,.55);display:block;position:relative}
.player .poster-btn:before{content:"";position:absolute;top:50%;left:50%;transform:translate(-50%,-50%);border-style:solid;border-width:18px 0 18px 28px;border-color:transparent transparent transparent #fff;z-index:2}

/* 内容排版 */
.prose h2{color:#1f7a3f;margin:24px 0 10px;font-size:22px}
.prose h3{color:#1a6e39;margin:18px 0 8px;font-size:18px}
.prose p{margin:10px 0;color:#334}
.prose ul{margin:10px 0 10px 24px;color:#334}

/* 页脚 */
.site-footer{background:#0f3d22;color:#c5e3cc;margin-top:60px;padding:40px 0 20px}
.site-footer a{color:#d9f1df}
.footer-grid{display:grid;grid-template-columns:1.4fr 1fr 1fr 1fr;gap:24px}
.site-footer h4{color:#fff;margin-bottom:12px;font-size:15px}
.site-footer ul{list-style:none}
.site-footer li{padding:4px 0;font-size:13px}
.site-footer .brand-foot{display:flex;align-items:center;gap:12px;margin-bottom:10px}
.site-footer .brand-foot img{width:50px;height:50px;border-radius:50%}
.footer-bottom{border-top:1px solid #1c5a37;margin-top:22px;padding-top:14px;text-align:center;font-size:13px;color:#a5cdb1}

@media(max-width:820px){
  .hero h1{font-size:26px}
  .header-inner{flex-direction:column;align-items:stretch;gap:10px}
  .nav ul{justify-content:center}
  .contact-grid{grid-template-columns:1fr}
  .footer-grid{grid-template-columns:1fr 1fr}
  section{padding:28px 0}
}