/* ========== 抖阴植物视频社区 - 全站样式 ========== */
/* 品牌色: #00C9A7 主色, #0D1B2A 深色, #1B998B 辅色 */

*,*::before,*::after{box-sizing:border-box;margin:0;padding:0}
html{scroll-behavior:smooth;font-size:16px}
body{font-family:"PingFang SC","Microsoft YaHei","Helvetica Neue",Arial,sans-serif;color:#333;background:#f8faf9;line-height:1.8;overflow-x:hidden}
a{color:#00C9A7;text-decoration:none;transition:color .3s}
a:hover{color:#1B998B}
img{max-width:100%;height:auto;display:block}
ul,ol{list-style:none}
h1,h2,h3,h4,h5,h6{font-weight:700;color:#0D1B2A;line-height:1.4}

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

/* ========== 顶部导航 ========== */
.site-header{background:#0D1B2A;position:sticky;top:0;z-index:1000;box-shadow:0 2px 12px rgba(0,0,0,.15)}
.header-inner{max-width:1400px;margin:0 auto;display:flex;align-items:center;justify-content:space-between;padding:0 20px;height:68px}
.logo-area{display:flex;align-items:center;gap:10px}
.logo-area img{height:42px;width:auto}
.logo-area .brand-name{color:#00C9A7;font-size:22px;font-weight:800;letter-spacing:1px}
.main-nav{display:flex;gap:6px}
.main-nav a{color:#e0e0e0;padding:8px 16px;border-radius:6px;font-size:15px;transition:all .3s}
.main-nav a:hover,.main-nav a.active{background:#00C9A7;color:#fff}
.mobile-menu-btn{display:none;background:none;border:none;color:#fff;font-size:28px;cursor:pointer}

/* ========== 搜索框 ========== */
.search-bar{background:linear-gradient(135deg,#0D1B2A 0%,#1a3a4a 100%);padding:16px 20px}
.search-bar-inner{max-width:700px;margin:0 auto;display:flex;gap:10px}
.search-bar input{flex:1;padding:12px 20px;border:2px solid #00C9A7;border-radius:30px;background:rgba(255,255,255,.1);color:#fff;font-size:15px;outline:none;transition:border-color .3s}
.search-bar input::placeholder{color:rgba(255,255,255,.5)}
.search-bar input:focus{border-color:#1B998B;background:rgba(255,255,255,.15)}
.search-bar button{padding:12px 28px;background:#00C9A7;color:#fff;border:none;border-radius:30px;font-size:15px;cursor:pointer;transition:background .3s;white-space:nowrap}
.search-bar button:hover{background:#1B998B}

/* ========== Banner ========== */
.hero-banner{position:relative;width:100%;min-height:480px;background-size:cover;background-position:center;background-repeat:no-repeat;display:flex;align-items:center;justify-content:center}
.hero-overlay{position:absolute;inset:0;background:linear-gradient(135deg,rgba(13,27,42,.85) 0%,rgba(0,201,167,.3) 100%)}
.hero-content{position:relative;z-index:2;text-align:center;padding:60px 20px;max-width:800px}
.hero-content h1{color:#fff;font-size:42px;margin-bottom:16px;text-shadow:0 2px 8px rgba(0,0,0,.3)}
.hero-content h1 .brand-hl{color:#00C9A7;font-size:48px}
.hero-content p{color:rgba(255,255,255,.9);font-size:18px;margin-bottom:24px;line-height:1.8}
.hero-content .hero-tags{display:flex;flex-wrap:wrap;justify-content:center;gap:10px;margin-bottom:24px}
.hero-content .hero-tags span{background:rgba(0,201,167,.2);border:1px solid rgba(0,201,167,.4);color:#00C9A7;padding:6px 16px;border-radius:20px;font-size:13px}
.hero-btn{display:inline-block;padding:14px 40px;background:#00C9A7;color:#fff;border-radius:30px;font-size:17px;font-weight:600;transition:all .3s;box-shadow:0 4px 15px rgba(0,201,167,.4)}
.hero-btn:hover{background:#1B998B;transform:translateY(-2px);color:#fff}

/* ========== 通用容器 ========== */
.container{max-width:1400px;margin:0 auto;padding:0 20px}
.section{padding:60px 0}
.section-title{text-align:center;margin-bottom:40px}
.section-title h2{font-size:32px;color:#0D1B2A;margin-bottom:10px}
.section-title p{color:#666;font-size:16px}
.section-title .green{color:#00C9A7}

/* ========== 视频卡片网格 ========== */
.video-grid{display:grid;grid-template-columns:repeat(auto-fill,minmax(280px,1fr));gap:24px}
.video-card{background:#fff;border-radius:12px;overflow:hidden;box-shadow:0 4px 20px rgba(0,0,0,.08);transition:all .3s;position:relative}
.video-card:hover{transform:translateY(-6px);box-shadow:0 8px 30px rgba(0,201,167,.15)}
.video-card .thumb{position:relative;overflow:hidden;aspect-ratio:3/4}
.video-card .thumb img{width:100%;height:100%;object-fit:cover;transition:transform .5s}
.video-card .thumb .video-preview{position:absolute;top:0;left:0;width:100%;height:100%;object-fit:cover;opacity:0;transition:opacity .3s;z-index:1}
.video-card:hover .thumb .video-preview{opacity:1}
.video-card:hover .thumb img{transform:scale(1.05)}
.video-card .play-btn{position:absolute;top:50%;left:50%;transform:translate(-50%,-50%);width:60px;height:60px;background:rgba(0,201,167,.85);border-radius:50%;display:flex;align-items:center;justify-content:center;opacity:0;transition:opacity .3s;cursor:pointer}
.video-card:hover .play-btn{opacity:1}
.play-btn::after{content:'';display:block;width:0;height:0;border-left:20px solid #fff;border-top:12px solid transparent;border-bottom:12px solid transparent;margin-left:4px}
.video-card .card-info{padding:16px}
.video-card .card-info h3{font-size:16px;color:#0D1B2A;margin-bottom:8px;display:-webkit-box;-webkit-line-clamp:2;-webkit-box-orient:vertical;overflow:hidden}
.video-card .card-meta{display:flex;justify-content:space-between;align-items:center;color:#999;font-size:13px}
.video-card .card-meta .views{display:flex;align-items:center;gap:4px}
.video-card .card-meta .likes{display:flex;align-items:center;gap:4px}
.video-card .duration{position:absolute;bottom:10px;right:10px;background:rgba(0,0,0,.7);color:#fff;padding:2px 8px;border-radius:4px;font-size:12px}
.video-card .tag{position:absolute;top:10px;left:10px;background:#00C9A7;color:#fff;padding:3px 10px;border-radius:4px;font-size:12px;font-weight:600}

/* ========== 横向视频卡片 ========== */
.video-grid-h{display:grid;grid-template-columns:repeat(auto-fill,minmax(340px,1fr));gap:24px}
.video-card-h{display:flex;background:#fff;border-radius:12px;overflow:hidden;box-shadow:0 4px 20px rgba(0,0,0,.08);transition:all .3s}
.video-card-h:hover{transform:translateY(-4px);box-shadow:0 8px 30px rgba(0,201,167,.15)}
.video-card-h .thumb{position:relative;width:160px;min-height:120px;flex-shrink:0;overflow:hidden}
.video-card-h .thumb img{width:100%;height:100%;object-fit:cover}
.video-card-h .play-btn{position:absolute;top:50%;left:50%;transform:translate(-50%,-50%);width:40px;height:40px;background:rgba(0,201,167,.85);border-radius:50%;display:flex;align-items:center;justify-content:center;opacity:0;transition:opacity .3s}
.video-card-h:hover .play-btn{opacity:1}
.video-card-h .card-info{padding:14px;flex:1;display:flex;flex-direction:column;justify-content:center}

/* ========== 模块卡片 ========== */
.module-grid{display:grid;grid-template-columns:repeat(auto-fill,minmax(300px,1fr));gap:24px}
.module-card{background:#fff;border-radius:12px;padding:30px;box-shadow:0 4px 20px rgba(0,0,0,.06);transition:all .3s;border-top:4px solid #00C9A7}
.module-card:hover{transform:translateY(-4px);box-shadow:0 8px 25px rgba(0,201,167,.12)}
.module-card .icon{font-size:40px;margin-bottom:16px}
.module-card h3{font-size:20px;color:#0D1B2A;margin-bottom:10px}
.module-card p{color:#666;font-size:14px;line-height:1.8}
.module-card .tags{display:flex;flex-wrap:wrap;gap:6px;margin-top:12px}
.module-card .tags span{background:#e8f8f5;color:#00C9A7;padding:4px 12px;border-radius:15px;font-size:12px}

/* ========== 专家展示 ========== */
.expert-grid{display:grid;grid-template-columns:repeat(auto-fill,minmax(280px,1fr));gap:24px}
.expert-card{background:#fff;border-radius:12px;padding:30px;text-align:center;box-shadow:0 4px 20px rgba(0,0,0,.06);transition:all .3s}
.expert-card:hover{transform:translateY(-4px);box-shadow:0 8px 25px rgba(0,201,167,.12)}
.expert-card img{width:100px;height:100px;border-radius:50%;object-fit:cover;margin:0 auto 16px;border:3px solid #00C9A7}
.expert-card h4{font-size:18px;color:#0D1B2A;margin-bottom:4px}
.expert-card .role{color:#00C9A7;font-size:14px;margin-bottom:10px}
.expert-card p{color:#666;font-size:13px;line-height:1.7;margin-bottom:14px}
.expert-card .expert-btns{display:flex;gap:8px;justify-content:center}
.expert-card .expert-btns a{padding:6px 16px;border-radius:20px;font-size:13px;border:1px solid #00C9A7;color:#00C9A7;transition:all .3s}
.expert-card .expert-btns a:hover{background:#00C9A7;color:#fff}

/* ========== FAQ ========== */
.faq-list{max-width:900px;margin:0 auto}
.faq-item{background:#fff;border-radius:10px;margin-bottom:12px;box-shadow:0 2px 10px rgba(0,0,0,.05);overflow:hidden}
.faq-item .faq-q{padding:18px 24px;font-size:16px;font-weight:600;color:#0D1B2A;cursor:pointer;display:flex;justify-content:space-between;align-items:center;transition:background .3s}
.faq-item .faq-q:hover{background:#f0faf8}
.faq-item .faq-q::after{content:'+';font-size:22px;color:#00C9A7;transition:transform .3s}
.faq-item.active .faq-q::after{transform:rotate(45deg)}
.faq-item .faq-a{padding:0 24px;max-height:0;overflow:hidden;transition:all .4s ease;color:#666;font-size:14px;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(auto-fill,minmax(300px,1fr));gap:24px}
.review-card{background:#fff;border-radius:12px;padding:24px;box-shadow:0 4px 20px rgba(0,0,0,.06)}
.review-card .stars{color:#f5a623;font-size:18px;margin-bottom:10px}
.review-card .review-text{color:#555;font-size:14px;line-height:1.8;margin-bottom:14px;font-style:italic}
.review-card .reviewer{display:flex;align-items:center;gap:10px}
.review-card .reviewer .avatar{width:40px;height:40px;border-radius:50%;background:#00C9A7;color:#fff;display:flex;align-items:center;justify-content:center;font-weight:700;font-size:16px}
.review-card .reviewer .name{font-weight:600;color:#0D1B2A;font-size:14px}
.review-card .reviewer .date{color:#999;font-size:12px}

/* ========== 合作品牌 ========== */
.partner-wall{display:flex;flex-wrap:wrap;justify-content:center;gap:30px;padding:20px 0}
.partner-wall .partner-item{width:140px;height:80px;background:#fff;border-radius:10px;display:flex;align-items:center;justify-content:center;box-shadow:0 2px 10px rgba(0,0,0,.06);padding:10px;transition:all .3s}
.partner-wall .partner-item:hover{box-shadow:0 4px 15px rgba(0,201,167,.15);transform:scale(1.05)}
.partner-wall .partner-item span{font-size:14px;color:#666;font-weight:600;text-align:center}

/* ========== 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:24px;box-shadow:0 4px 20px rgba(0,0,0,.06);text-align:center}
.contact-card h4{color:#0D1B2A;font-size:18px;margin-bottom:12px}
.contact-card p{color:#666;font-size:14px;line-height:1.8}
.contact-card .highlight{color:#00C9A7;font-weight:600}

/* ========== How-To指南 ========== */
.howto-steps{display:grid;grid-template-columns:repeat(auto-fill,minmax(240px,1fr));gap:24px;margin-top:30px}
.howto-step{text-align:center;padding:24px}
.howto-step .step-num{width:50px;height:50px;background:#00C9A7;color:#fff;border-radius:50%;display:flex;align-items:center;justify-content:center;font-size:22px;font-weight:700;margin:0 auto 16px}
.howto-step h4{font-size:17px;color:#0D1B2A;margin-bottom:8px}
.howto-step p{color:#666;font-size:14px}

/* ========== 社交分享 ========== */
.share-bar{display:flex;justify-content:center;gap:16px;padding:20px 0}
.share-bar a{width:44px;height:44px;border-radius:50%;display:flex;align-items:center;justify-content:center;color:#fff;font-size:18px;transition:all .3s}
.share-bar a:hover{transform:scale(1.15);color:#fff}
.share-wechat{background:#07C160}
.share-weibo{background:#E6162D}
.share-douyin{background:#161823}
.share-bilibili{background:#00A1D6}

/* ========== 页脚 ========== */
.site-footer{background:#0D1B2A;color:rgba(255,255,255,.7);padding:50px 0 20px}
.footer-inner{max-width:1400px;margin:0 auto;padding:0 20px}
.footer-grid{display:grid;grid-template-columns:repeat(auto-fit,minmax(220px,1fr));gap:30px;margin-bottom:30px}
.footer-col h4{color:#00C9A7;font-size:16px;margin-bottom:16px}
.footer-col p,.footer-col a{color:rgba(255,255,255,.6);font-size:14px;line-height:2}
.footer-col a:hover{color:#00C9A7}
.footer-col .qr-img{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:13px;color:rgba(255,255,255,.4)}
.footer-bottom .update-time{margin-top:6px}

/* ========== 面包屑 ========== */
.breadcrumb{padding:14px 0;font-size:14px;color:#999}
.breadcrumb a{color:#00C9A7}
.breadcrumb span{margin:0 8px;color:#ccc}

/* ========== 内页通用 ========== */
.page-hero{background:linear-gradient(135deg,#0D1B2A 0%,#1a3a4a 100%);padding:60px 20px;text-align:center}
.page-hero h1{color:#fff;font-size:36px;margin-bottom:10px}
.page-hero p{color:rgba(255,255,255,.7);font-size:16px}
.page-content{padding:40px 0}

/* ========== 响应式 ========== */
@media(max-width:992px){
  .header-inner{flex-wrap:wrap}
  .main-nav{display:none;width:100%;flex-direction:column;padding:10px 0}
  .main-nav.show{display:flex}
  .mobile-menu-btn{display:block}
  .hero-content h1{font-size:28px}
  .hero-content h1 .brand-hl{font-size:34px}
  .video-grid{grid-template-columns:repeat(auto-fill,minmax(220px,1fr))}
  .section{padding:40px 0}
}
@media(max-width:640px){
  .hero-banner{min-height:360px}
  .hero-content h1{font-size:24px}
  .hero-content h1 .brand-hl{font-size:28px}
  .hero-content p{font-size:15px}
  .section-title h2{font-size:24px}
  .video-grid{grid-template-columns:repeat(2,1fr);gap:12px}
  .video-grid-h{grid-template-columns:1fr}
  .search-bar-inner{flex-direction:column}
  .footer-grid{grid-template-columns:1fr 1fr}
}

/* ========== 动画 ========== */
@keyframes fadeInUp{from{opacity:0;transform:translateY(30px)}to{opacity:1;transform:translateY(0)}}
.fade-in{animation:fadeInUp .6s ease forwards;opacity:0}

/* ========== MCP服务前端占位 ========== */
.mcp-service{background:#f0faf8;border:2px dashed #00C9A7;border-radius:12px;padding:30px;text-align:center;margin:20px 0}
.mcp-service h4{color:#0D1B2A;margin-bottom:10px}
.mcp-service p{color:#666;font-size:14px}