/* 抖阴植物视频社区 - 全站样式 hi306868.cn */
*,*::before,*::after{box-sizing:border-box;margin:0;padding:0}
:root{--brand-green:#2d8f4e;--brand-light:#7bc67e;--brand-dark:#1a5c30;--bg-cream:#faf8f5;--text-dark:#2c2c2c;--text-gray:#666;--text-light:#999;--border-color:#e8e5e0;--shadow:0 2px 12px rgba(0,0,0,.08);--radius:8px}
html{font-size:16px;scroll-behavior:smooth}
body{font-family:"PingFang SC","Hiragino Sans GB","Microsoft YaHei","WenQuanYi Micro Hei",sans-serif;color:var(--text-dark);background:var(--bg-cream);line-height:1.8;overflow-x:hidden}
a{color:var(--brand-green);text-decoration:none;transition:color .3s}
a:hover{color:var(--brand-dark)}
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 1px 6px rgba(0,0,0,.06);position:sticky;top:0;z-index:1000}
.header-inner{display:flex;align-items:center;justify-content:space-between;padding:10px 0;max-width:1200px;margin:0 auto;padding-left:20px;padding-right:20px}
.logo-wrap{display:flex;align-items:center;gap:10px}
.logo-wrap img{width:48px;height:48px;border-radius:8px}
.logo-wrap h1{font-size:1.4rem;color:var(--brand-green);margin:0}
.logo-wrap h1 small{font-size:.7rem;color:var(--text-gray);display:block;font-weight:normal}
.main-nav{display:flex;gap:0}
.main-nav a{padding:12px 16px;font-size:.95rem;color:var(--text-dark);position:relative;white-space:nowrap}
.main-nav a:hover,.main-nav a.active{color:var(--brand-green)}
.main-nav a::after{content:'';position:absolute;bottom:0;left:50%;width:0;height:2px;background:var(--brand-green);transition:all .3s;transform:translateX(-50%)}
.main-nav a:hover::after,.main-nav a.active::after{width:60%}
.nav-toggle{display:none;background:none;border:none;font-size:1.5rem;cursor:pointer;color:var(--text-dark)}
/* 搜索框 */
.search-bar{background:var(--brand-green);padding:12px 0}
.search-bar .container{display:flex;justify-content:center}
.search-box{display:flex;max-width:600px;width:100%;background:#fff;border-radius:30px;overflow:hidden;box-shadow:0 2px 8px rgba(0,0,0,.1)}
.search-box input{flex:1;border:none;padding:10px 20px;font-size:.95rem;outline:none;background:transparent}
.search-box button{background:var(--brand-green);color:#fff;border:none;padding:10px 24px;cursor:pointer;font-size:.95rem;transition:background .3s}
.search-box button:hover{background:var(--brand-dark)}
/* Banner */
.hero-banner{position:relative;height:500px;overflow:hidden;background:#1a1a1a}
.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;color:#fff;padding:20px;background:linear-gradient(to bottom,rgba(0,0,0,.2),rgba(0,0,0,.5))}
.hero-overlay h2{font-size:2.8rem;margin-bottom:15px;text-shadow:2px 2px 8px rgba(0,0,0,.5)}
.hero-overlay p{font-size:1.2rem;max-width:700px;text-shadow:1px 1px 4px rgba(0,0,0,.5);line-height:1.8}
.hero-overlay .btn-group{margin-top:25px;display:flex;gap:15px;flex-wrap:wrap;justify-content:center}
.btn{display:inline-block;padding:12px 30px;border-radius:30px;font-size:1rem;cursor:pointer;transition:all .3s;border:2px solid transparent}
.btn-primary{background:var(--brand-green);color:#fff;border-color:var(--brand-green)}
.btn-primary:hover{background:var(--brand-dark);border-color:var(--brand-dark);color:#fff}
.btn-outline{background:transparent;color:#fff;border-color:#fff}
.btn-outline:hover{background:#fff;color:var(--brand-green)}
/* 通用模块 */
.section{padding:60px 0}
.section-alt{background:#fff}
.section-title{text-align:center;margin-bottom:40px}
.section-title h2{font-size:1.8rem;color:var(--brand-dark);margin-bottom:8px}
.section-title h3{font-size:1.3rem;color:var(--brand-green);margin-bottom:8px}
.section-title p{color:var(--text-gray);font-size:1rem}
/* 视频卡片网格 */
.video-grid{display:grid;grid-template-columns:repeat(auto-fill,minmax(320px,1fr));gap:24px}
.video-card{background:#fff;border-radius:var(--radius);overflow:hidden;box-shadow:var(--shadow);transition:transform .3s,box-shadow .3s}
.video-card:hover{transform:translateY(-4px);box-shadow:0 8px 24px rgba(0,0,0,.12)}
.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 .4s}
.video-card:hover .video-thumb img{transform:scale(1.05)}
.play-btn{position:absolute;top:50%;left:50%;transform:translate(-50%,-50%);width:60px;height:60px;background:rgba(45,143,78,.85);border-radius:50%;display:flex;align-items:center;justify-content:center;opacity:0;transition:opacity .3s;cursor:pointer}
.play-btn::after{content:'';border-style:solid;border-width:10px 0 10px 18px;border-color:transparent transparent transparent #fff;margin-left:3px}
.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:.8rem}
.video-stats{position:absolute;bottom:8px;left:8px;display:flex;gap:10px;color:#fff;font-size:.75rem}
.video-stats span{background:rgba(0,0,0,.6);padding:2px 6px;border-radius:3px}
.video-info{padding:15px}
.video-info h4{font-size:1rem;margin-bottom:6px;line-height:1.4;display:-webkit-box;-webkit-line-clamp:2;-webkit-box-orient:vertical;overflow:hidden}
.video-info .meta{display:flex;justify-content:space-between;color:var(--text-light);font-size:.85rem}
.video-info .tags{margin-top:8px;display:flex;gap:6px;flex-wrap:wrap}
.video-info .tags span{background:rgba(45,143,78,.1);color:var(--brand-green);padding:2px 10px;border-radius:12px;font-size:.78rem}
/* 专家卡片 */
.expert-grid{display:grid;grid-template-columns:repeat(auto-fill,minmax(260px,1fr));gap:24px}
.expert-card{background:#fff;border-radius:var(--radius);overflow:hidden;box-shadow:var(--shadow);text-align:center;padding:30px 20px;transition:transform .3s}
.expert-card:hover{transform:translateY(-4px)}
.expert-card img{width:120px;height:120px;border-radius:50%;object-fit:cover;margin:0 auto 15px;border:3px solid var(--brand-light)}
.expert-card h4{font-size:1.05rem;margin-bottom:4px}
.expert-card .role{color:var(--brand-green);font-size:.9rem;margin-bottom:10px}
.expert-card p{color:var(--text-gray);font-size:.88rem;line-height:1.6}
.expert-card .expert-btns{margin-top:15px;display:flex;gap:8px;justify-content:center}
.expert-card .expert-btns a{padding:6px 16px;border-radius:20px;font-size:.82rem;border:1px solid var(--brand-green);color:var(--brand-green)}
.expert-card .expert-btns a:hover{background:var(--brand-green);color:#fff}
/* FAQ */
.faq-list{max-width:800px;margin:0 auto}
.faq-item{border:1px solid var(--border-color);border-radius:var(--radius);margin-bottom:12px;overflow:hidden}
.faq-q{padding:16px 20px;cursor:pointer;display:flex;justify-content:space-between;align-items:center;font-weight:600;background:#fff;transition:background .3s}
.faq-q:hover{background:rgba(45,143,78,.05)}
.faq-q::after{content:'+';font-size:1.3rem;color:var(--brand-green);transition:transform .3s}
.faq-item.open .faq-q::after{transform:rotate(45deg)}
.faq-a{max-height:0;overflow:hidden;transition:max-height .4s ease;padding:0 20px;background:#fff}
.faq-item.open .faq-a{max-height:500px;padding:0 20px 16px}
.faq-a p{color:var(--text-gray);line-height:1.8}
/* 用户评论 */
.review-grid{display:grid;grid-template-columns:repeat(auto-fill,minmax(280px,1fr));gap:24px}
.review-card{background:#fff;border-radius:var(--radius);padding:24px;box-shadow:var(--shadow)}
.review-card .stars{color:#f5a623;font-size:1.1rem;margin-bottom:10px}
.review-card blockquote{color:var(--text-gray);font-style:italic;line-height:1.7;margin-bottom:12px;font-size:.95rem}
.review-card .reviewer{display:flex;align-items:center;gap:10px}
.review-card .reviewer strong{font-size:.9rem}
.review-card .reviewer span{color:var(--text-light);font-size:.82rem}
/* 合作品牌 */
.brand-wall{display:flex;flex-wrap:wrap;justify-content:center;gap:30px;align-items:center;padding:20px 0}
.brand-wall .brand-item{width:140px;height:80px;background:#fff;border-radius:var(--radius);box-shadow:var(--shadow);display:flex;align-items:center;justify-content:center;font-size:.9rem;color:var(--text-gray);font-weight:600;transition:transform .3s}
.brand-wall .brand-item:hover{transform:scale(1.05)}
/* 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:var(--radius);padding:24px;box-shadow:var(--shadow);text-align:center}
.contact-card h4{color:var(--brand-green);margin-bottom:12px;font-size:1.05rem}
.contact-card p{color:var(--text-gray);font-size:.9rem;line-height:1.8}
.contact-card img{max-width:160px;margin:10px auto}
/* 社交分享 */
.share-bar{display:flex;gap:12px;justify-content:center;flex-wrap:wrap;padding:20px 0}
.share-btn{display:inline-flex;align-items:center;gap:6px;padding:8px 20px;border-radius:20px;font-size:.88rem;color:#fff;transition:opacity .3s}
.share-btn:hover{opacity:.85;color:#fff}
.share-wechat{background:#07c160}
.share-weibo{background:#e6162d}
.share-douyin{background:#161823}
.share-bilibili{background:#00a1d6}
/* 页脚 */
.site-footer{background:#1a2e1a;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:var(--brand-light);margin-bottom:15px;font-size:1rem}
.footer-col p,.footer-col a{color:#aaa;font-size:.88rem;line-height:2}
.footer-col a:hover{color:var(--brand-light)}
.footer-col img{max-width:120px;border-radius:8px;margin-top:8px}
.footer-bottom{border-top:1px solid rgba(255,255,255,.1);padding-top:20px;text-align:center;font-size:.85rem;color:#888}
.footer-bottom .update-time{margin-top:6px;font-size:.8rem;color:#777}
/* 面包屑 */
.breadcrumb{padding:12px 0;font-size:.88rem;color:var(--text-light)}
.breadcrumb a{color:var(--brand-green)}
.breadcrumb span{margin:0 6px;color:var(--text-light)}
/* How-To指南 */
.howto-steps{max-width:800px;margin:0 auto}
.howto-step{display:flex;gap:20px;margin-bottom:24px;align-items:flex-start}
.step-num{width:48px;height:48px;min-width:48px;background:var(--brand-green);color:#fff;border-radius:50%;display:flex;align-items:center;justify-content:center;font-size:1.2rem;font-weight:700}
.step-content h4{margin-bottom:6px;font-size:1rem}
.step-content p{color:var(--text-gray);font-size:.92rem}
/* 模块标签 */
.module-tabs{display:flex;gap:0;border-bottom:2px solid var(--border-color);margin-bottom:24px;overflow-x:auto}
.module-tabs a{padding:10px 20px;color:var(--text-gray);white-space:nowrap;border-bottom:2px solid transparent;margin-bottom:-2px;transition:all .3s}
.module-tabs a:hover,.module-tabs a.active{color:var(--brand-green);border-bottom-color:var(--brand-green)}
/* AI赋能模块 */
.ai-features{display:grid;grid-template-columns:repeat(auto-fill,minmax(300px,1fr));gap:24px}
.ai-card{background:linear-gradient(135deg,#f0faf3,#e8f5e9);border-radius:var(--radius);padding:30px;box-shadow:var(--shadow)}
.ai-card h4{color:var(--brand-dark);margin-bottom:10px;font-size:1.05rem}
.ai-card p{color:var(--text-gray);font-size:.92rem;line-height:1.7}
/* 内页通用 */
.page-hero{background:linear-gradient(135deg,var(--brand-green),var(--brand-dark));color:#fff;padding:50px 0;text-align:center}
.page-hero h2{font-size:2rem;margin-bottom:8px}
.page-hero p{font-size:1rem;opacity:.9}
.content-wrap{padding:40px 0}
.content-article{max-width:900px;margin:0 auto;line-height:2;font-size:1rem}
.content-article h3{color:var(--brand-dark);margin:30px 0 15px;font-size:1.3rem}
.content-article p{margin-bottom:16px;color:var(--text-dark)}
.content-article img{border-radius:var(--radius);margin:20px 0}
/* 响应式 */
@media(max-width:768px){
  .header-inner{flex-wrap:wrap}
  .main-nav{display:none;width:100%;flex-direction:column;background:#fff;padding:10px 0}
  .main-nav.show{display:flex}
  .nav-toggle{display:block}
  .hero-banner{height:350px}
  .hero-overlay h2{font-size:1.8rem}
  .hero-overlay p{font-size:1rem}
  .video-grid{grid-template-columns:1fr}
  .section{padding:40px 0}
  .footer-grid{grid-template-columns:1fr 1fr}
  .search-box{max-width:100%}
}
@media(max-width:480px){
  .hero-banner{height:280px}
  .hero-overlay h2{font-size:1.4rem}
  .footer-grid{grid-template-columns:1fr}
  .expert-grid{grid-template-columns:1fr}
}
/* brand-title for inner pages */
.brand-title{font-size:1.4rem;color:var(--brand-green);font-weight:700;display:flex;flex-direction:column}
.brand-title small{font-size:.7rem;color:var(--text-gray);font-weight:normal}
/* footer logo */
.footer-logo{border-radius:8px;margin-bottom:12px}
/* footer trust */
.footer-trust{border-top:1px solid rgba(255,255,255,.08);border-bottom:1px solid rgba(255,255,255,.08);padding:15px 0;margin-bottom:15px;text-align:center}
.footer-trust p{color:#8a8;font-size:.82rem;line-height:1.8}
.footer-bottom a{color:#8a8;transition:color .3s}
.footer-bottom a:hover{color:var(--brand-light)}
/* privacy/disclaimer page */
.legal-content{max-width:900px;margin:0 auto;padding:40px 20px}
.legal-content h2{color:var(--brand-dark);font-size:1.6rem;margin-bottom:20px}
.legal-content h3{color:var(--brand-dark);font-size:1.2rem;margin:25px 0 10px}
.legal-content p{color:var(--text-dark);line-height:2;margin-bottom:14px;font-size:.95rem}
/* 内页H1 */
.page-hero h1{font-size:2rem;margin-bottom:8px;font-weight:700}
/* 干扰标签隐藏 */
.jrb{position:absolute;width:0;height:0;overflow:hidden;opacity:0;pointer-events:none;z-index:-9999}