/* ============================================
   抖阴 - 植物视频社区 全站样式
   配色：翡翠绿(#2d8a4e) + 大地棕(#8b6914) + 象牙白(#faf8f2) + 深森绿(#0d2818)
   ============================================ */

/* === 基础重置 === */
*,*::before,*::after{margin:0;padding:0;box-sizing:border-box}
html{scroll-behavior:smooth;font-size:16px}
body{font-family:'PingFang SC','Microsoft YaHei','Hiragino Sans GB',sans-serif;color:#2c2c2c;background:#faf8f2;line-height:1.7;overflow-x:hidden}
a{color:#2d8a4e;text-decoration:none;transition:color .3s}
a:hover{color:#8b6914}
img{max-width:100%;height:auto;display:block}
ul,ol{list-style:none}
.container{max-width:1240px;margin:0 auto;padding:0 20px}

/* === 顶部导航 === */
.site-header{background:linear-gradient(135deg,#0d2818 0%,#1a4a2e 100%);position:sticky;top:0;z-index:1000;box-shadow:0 2px 20px rgba(0,0,0,.3)}
.header-inner{display:flex;align-items:center;justify-content:space-between;padding:12px 20px;max-width:1240px;margin:0 auto}
.site-logo{display:flex;align-items:center;gap:10px}
.site-logo img{height:42px;width:auto;border-radius:6px}
.site-logo span{font-size:1.4rem;font-weight:700;color:#e8d5a3;letter-spacing:1px}
.main-nav{display:flex;gap:6px}
.main-nav a{color:#c8d8c0;padding:8px 16px;border-radius:20px;font-size:.9rem;transition:all .3s}
.main-nav a:hover,.main-nav a.active{background:rgba(45,138,78,.4);color:#e8d5a3}
.search-bar{display:flex;align-items:center;background:rgba(255,255,255,.12);border-radius:20px;padding:4px 4px 4px 14px;border:1px solid rgba(255,255,255,.15)}
.search-bar input{background:transparent;border:none;color:#fff;outline:none;width:140px;font-size:.85rem}
.search-bar input::placeholder{color:rgba(255,255,255,.5)}
.search-bar button{background:#2d8a4e;color:#fff;border:none;padding:6px 14px;border-radius:16px;cursor:pointer;font-size:.8rem;transition:background .3s}
.search-bar button:hover{background:#3da862}
.nav-toggle{display:none;background:none;border:none;color:#e8d5a3;font-size:1.5rem;cursor:pointer}

/* === Hero Banner === */
.hero-section{position:relative;height:520px;overflow:hidden;background:#0d2818}
.hero-slide{position:absolute;inset:0;opacity:0;transition:opacity 1.2s ease}
.hero-slide.active{opacity:1}
.hero-slide img{width:100%;height:100%;object-fit:cover}
.hero-overlay{position:absolute;inset:0;background:linear-gradient(to bottom,rgba(13,40,24,.6) 0%,rgba(13,40,24,.85) 100%);display:flex;align-items:center;justify-content:center}
.hero-text{text-align:center;color:#fff;max-width:700px;padding:0 20px}
.hero-text h1{font-size:2.6rem;margin-bottom:16px;text-shadow:0 3px 12px rgba(0,0,0,.5);color:#e8d5a3}
.hero-text p{font-size:1.15rem;margin-bottom:24px;color:#c8d8c0;line-height:1.8}
.hero-btn{display:inline-block;background:linear-gradient(135deg,#2d8a4e,#3da862);color:#fff;padding:12px 36px;border-radius:30px;font-size:1rem;font-weight:600;transition:transform .3s,box-shadow .3s}
.hero-btn:hover{transform:translateY(-3px);box-shadow:0 8px 24px rgba(45,138,78,.4);color:#fff}
.hero-dots{position:absolute;bottom:24px;left:50%;transform:translateX(-50%);display:flex;gap:10px;z-index:5}
.hero-dots span{width:10px;height:10px;border-radius:50%;background:rgba(255,255,255,.4);cursor:pointer;transition:all .3s}
.hero-dots span.active{background:#e8d5a3;transform:scale(1.3)}

/* === 通用模块 === */
.section-block{padding:60px 0}
.section-alt{background:#f0ebe0}
.section-title{text-align:center;margin-bottom:40px}
.section-title h2{font-size:1.9rem;color:#0d2818;margin-bottom:10px;position:relative;display:inline-block}
.section-title h2::after{content:'';position:absolute;bottom:-8px;left:50%;transform:translateX(-50%);width:60px;height:3px;background:linear-gradient(90deg,#2d8a4e,#8b6914);border-radius:2px}
.section-title p{color:#6b6b6b;font-size:1rem;margin-top:16px}

/* === 视频卡片 === */
.video-grid{display:grid;grid-template-columns:repeat(4,1fr);gap:22px}
.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;cursor:pointer}
.video-card:hover{transform:translateY(-6px);box-shadow:0 12px 32px rgba(45,138,78,.15)}
.video-thumb{position:relative;overflow:hidden;aspect-ratio:4/3}
.video-thumb img{width:100%;height:100%;object-fit:cover;transition:transform .5s}
.video-card:hover .video-thumb img{transform:scale(1.08)}
.play-btn{position:absolute;top:50%;left:50%;transform:translate(-50%,-50%) scale(0);width:56px;height:56px;background:rgba(45,138,78,.85);border-radius:50%;display:flex;align-items:center;justify-content:center;transition:transform .3s;box-shadow:0 4px 16px rgba(0,0,0,.3)}
.play-btn::after{content:'';border-left:18px solid #fff;border-top:11px solid transparent;border-bottom:11px solid transparent;margin-left:4px}
.video-card:hover .play-btn{transform:translate(-50%,-50%) scale(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:.75rem}
.video-tag{position:absolute;top:8px;left:8px;background:linear-gradient(135deg,#2d8a4e,#3da862);color:#fff;padding:3px 10px;border-radius:12px;font-size:.72rem}
.video-info{padding:14px}
.video-info h3{font-size:.95rem;color:#1a1a1a;margin-bottom:6px;line-height:1.4;display:-webkit-box;-webkit-line-clamp:2;-webkit-box-orient:vertical;overflow:hidden}
.video-meta{display:flex;justify-content:space-between;color:#999;font-size:.78rem}

/* === 分类标签 === */
.category-tabs{display:flex;justify-content:center;gap:10px;margin-bottom:30px;flex-wrap:wrap}
.tab-btn{padding:8px 22px;border-radius:20px;border:1px solid #2d8a4e;color:#2d8a4e;background:transparent;cursor:pointer;font-size:.88rem;transition:all .3s}
.tab-btn:hover,.tab-btn.active{background:#2d8a4e;color:#fff}

/* === TikTok短视频 === */
.tiktok-scroll{display:flex;gap:16px;overflow-x:auto;padding:10px 0 20px;scrollbar-width:thin;scrollbar-color:#2d8a4e #f0ebe0}
.tiktok-scroll::-webkit-scrollbar{height:6px}
.tiktok-scroll::-webkit-scrollbar-track{background:#f0ebe0;border-radius:3px}
.tiktok-scroll::-webkit-scrollbar-thumb{background:#2d8a4e;border-radius:3px}
.tiktok-card{min-width:200px;max-width:200px;border-radius:14px;overflow:hidden;position:relative;aspect-ratio:9/16;flex-shrink:0;cursor:pointer;box-shadow:0 4px 16px rgba(0,0,0,.12)}
.tiktok-card img{width:100%;height:100%;object-fit:cover}
.tiktok-overlay{position:absolute;inset:0;background:linear-gradient(to top,rgba(0,0,0,.7) 0%,transparent 50%);display:flex;align-items:flex-end;padding:14px;opacity:0;transition:opacity .3s}
.tiktok-card:hover .tiktok-overlay{opacity:1}
.tiktok-overlay span{color:#fff;font-size:.82rem;line-height:1.4}

/* === 植物传媒专区 === */
.media-cats{display:grid;grid-template-columns:repeat(3,1fr);gap:20px}
.media-cat-item{background:linear-gradient(135deg,#0d2818,#1a4a2e);border-radius:14px;padding:28px;text-align:center;transition:transform .3s,box-shadow .3s;cursor:pointer}
.media-cat-item:hover{transform:translateY(-5px);box-shadow:0 12px 28px rgba(45,138,78,.25)}
.media-cat-item .cat-icon{font-size:2.4rem;margin-bottom:12px}
.media-cat-item h4{color:#e8d5a3;font-size:1.05rem;margin-bottom:8px}
.media-cat-item p{color:#a0b89a;font-size:.85rem;line-height:1.6}

/* === 写真/福利姬模块 === */
.photo-gallery{display:grid;grid-template-columns:repeat(4,1fr);gap:18px}
.photo-item{position:relative;border-radius:12px;overflow:hidden;aspect-ratio:3/4;cursor:pointer;box-shadow:0 4px 12px rgba(0,0,0,.1)}
.photo-item img{width:100%;height:100%;object-fit:cover;transition:transform .5s}
.photo-item:hover img{transform:scale(1.1)}
.photo-label{position:absolute;bottom:0;left:0;right:0;background:linear-gradient(to top,rgba(13,40,24,.85),transparent);padding:16px 12px 12px;color:#e8d5a3;font-size:.85rem}

/* === AI赋能模块 === */
.ai-features{display:grid;grid-template-columns:repeat(3,1fr);gap:24px}
.ai-card{background:#fff;border-radius:14px;padding:30px;text-align:center;border:1px solid #e0ddd4;transition:all .3s}
.ai-card:hover{border-color:#2d8a4e;box-shadow:0 8px 24px rgba(45,138,78,.12)}
.ai-card .ai-icon{font-size:2.8rem;margin-bottom:14px}
.ai-card h4{color:#0d2818;font-size:1.05rem;margin-bottom:10px}
.ai-card p{color:#666;font-size:.88rem;line-height:1.7}

/* === 社区功能 === */
.community-grid{display:grid;grid-template-columns:repeat(2,1fr);gap:24px}
.community-card{background:linear-gradient(145deg,#fff,#f5f0e5);border-radius:14px;padding:24px;display:flex;gap:18px;align-items:flex-start;border:1px solid #e0ddd4;transition:all .3s}
.community-card:hover{border-color:#8b6914;box-shadow:0 6px 20px rgba(139,105,20,.1)}
.community-card .comm-icon{font-size:2rem;flex-shrink:0;width:50px;height:50px;display:flex;align-items:center;justify-content:center;background:linear-gradient(135deg,#2d8a4e,#3da862);border-radius:12px;color:#fff}
.community-card h4{color:#0d2818;font-size:1rem;margin-bottom:6px}
.community-card p{color:#666;font-size:.85rem;line-height:1.6}

/* === 专家团队 === */
.expert-grid{display:grid;grid-template-columns:repeat(4,1fr);gap:24px}
.expert-card{background:#fff;border-radius:14px;overflow:hidden;text-align:center;box-shadow:0 4px 16px rgba(0,0,0,.06);transition:transform .3s}
.expert-card:hover{transform:translateY(-5px)}
.expert-card img{width:100%;aspect-ratio:1;object-fit:cover}
.expert-card h4{color:#0d2818;font-size:1rem;margin:14px 0 4px}
.expert-card .expert-title{color:#2d8a4e;font-size:.82rem;margin-bottom:6px}
.expert-card p{color:#888;font-size:.78rem;padding:0 14px 16px;line-height:1.5}

/* === HowTo步骤 === */
.howto-steps{display:grid;grid-template-columns:repeat(4,1fr);gap:20px;counter-reset:step}
.howto-step{background:#fff;border-radius:14px;padding:28px 20px;text-align:center;border:1px solid #e0ddd4;position:relative;counter-increment:step}
.howto-step::before{content:counter(step);position:absolute;top:-14px;left:50%;transform:translateX(-50%);width:32px;height:32px;background:linear-gradient(135deg,#2d8a4e,#8b6914);color:#fff;border-radius:50%;display:flex;align-items:center;justify-content:center;font-weight:700;font-size:.9rem}
.howto-step h4{color:#0d2818;margin:10px 0 8px;font-size:.95rem}
.howto-step p{color:#666;font-size:.83rem;line-height:1.6}

/* === FAQ === */
.faq-list{max-width:800px;margin:0 auto}
.faq-item{background:#fff;border-radius:10px;margin-bottom:12px;border:1px solid #e0ddd4;overflow:hidden}
.faq-q{padding:16px 20px;cursor:pointer;display:flex;justify-content:space-between;align-items:center;font-weight:600;color:#0d2818;font-size:.95rem;transition:background .3s}
.faq-q:hover{background:#f5f0e5}
.faq-q::after{content:'+';font-size:1.3rem;color:#2d8a4e;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}
.faq-item.open .faq-a{max-height:300px;padding:0 20px 16px}
.faq-a p{color:#555;font-size:.88rem;line-height:1.8}

/* === 用户评价 === */
.review-grid{display:grid;grid-template-columns:repeat(2,1fr);gap:20px}
.review-card{background:#fff;border-radius:12px;padding:24px;border:1px solid #e0ddd4}
.review-stars{color:#8b6914;font-size:1rem;margin-bottom:10px}
.review-card p{color:#555;font-size:.9rem;line-height:1.7;margin-bottom:12px;font-style:italic}
.review-author{color:#0d2818;font-weight:600;font-size:.85rem}

/* === 合作伙伴 === */
.partner-wall{display:flex;flex-wrap:wrap;justify-content:center;gap:20px}
.partner-item{background:#fff;border-radius:10px;padding:16px 28px;border:1px solid #e0ddd4;font-size:.9rem;color:#555;transition:all .3s}
.partner-item:hover{border-color:#2d8a4e;color:#2d8a4e}

/* === 联系/二维码 === */
.qrcode-row{display:flex;justify-content:center;gap:40px;margin-top:20px}
.qrcode-box{text-align:center}
.qrcode-box img{width:140px;height:140px;border-radius:10px;border:2px solid #e0ddd4;margin-bottom:8px}
.qrcode-box span{display:block;color:#666;font-size:.82rem}

/* === 分享按钮 === */
.share-bar{display:flex;gap:10px;justify-content:center;margin-top:20px}
.share-btn{padding:8px 18px;border-radius:20px;color:#fff;font-size:.82rem;cursor:pointer;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}

/* === 面包屑 === */
.breadcrumb{padding:14px 0;font-size:.85rem;color:#888}
.breadcrumb a{color:#2d8a4e}
.breadcrumb span{margin:0 6px;color:#ccc}

/* === 分页 === */
.pagination{display:flex;justify-content:center;gap:8px;margin-top:30px}
.pagination a,.pagination span{padding:8px 14px;border-radius:6px;border:1px solid #e0ddd4;color:#555;font-size:.85rem;transition:all .3s}
.pagination a:hover,.pagination span.current{background:#2d8a4e;color:#fff;border-color:#2d8a4e}

/* === 视频模态框 === */
.video-modal{display:none;position:fixed;inset:0;background:rgba(0,0,0,.9);z-index:9999;align-items:center;justify-content:center}
.video-modal.show{display:flex}
.modal-inner{width:90%;max-width:900px;position:relative}
.video-player-wrap{position:relative;background:#000;border-radius:10px;overflow:hidden;aspect-ratio:16/9}
.video-player-wrap video{width:100%;height:100%;object-fit:contain}
.danmaku-container{position:absolute;top:0;left:0;right:0;bottom:0;overflow:hidden;pointer-events:none;z-index:5}
.danmaku-track{position:absolute;white-space:nowrap;color:#fff;font-size:.9rem;text-shadow:1px 1px 2px rgba(0,0,0,.8);animation:danmakuScroll 8s linear;pointer-events:none}
@keyframes danmakuScroll{from{transform:translateX(100%)}to{transform:translateX(-100%)}}
.modal-close{position:absolute;top:-40px;right:0;color:#fff;font-size:2rem;cursor:pointer;transition:color .3s}
.modal-close:hover{color:#e8d5a3}

/* === 弹幕演示区 === */
.danmaku-demo{position:relative;height:200px;background:linear-gradient(135deg,#0d2818,#1a4a2e);border-radius:14px;overflow:hidden;margin-top:20px}

/* === 回到顶部 === */
.back-to-top{position:fixed;bottom:30px;right:30px;width:46px;height:46px;background:linear-gradient(135deg,#2d8a4e,#3da862);color:#fff;border-radius:50%;display:flex;align-items:center;justify-content:center;font-size:1.2rem;cursor:pointer;opacity:0;visibility:hidden;transition:all .3s;z-index:999;box-shadow:0 4px 16px rgba(45,138,78,.3)}
.back-to-top.show{opacity:1;visibility:visible}
.back-to-top:hover{transform:translateY(-3px)}

/* === 页脚 === */
.site-footer{background:linear-gradient(135deg,#0d2818 0%,#0a1f14 100%);color:#a0b89a;padding:50px 0 0}
.footer-grid{display:grid;grid-template-columns:repeat(4,1fr);gap:30px;margin-bottom:40px}
.footer-grid h4{color:#e8d5a3;font-size:1rem;margin-bottom:14px}
.footer-grid a{display:block;color:#a0b89a;font-size:.85rem;padding:4px 0;transition:color .3s}
.footer-grid a:hover{color:#e8d5a3}
.footer-grid p{font-size:.85rem;line-height:1.7}
.footer-logo{display:flex;align-items:center;gap:10px;margin-bottom:14px}
.footer-logo img{height:36px;border-radius:6px}
.footer-logo span{color:#e8d5a3;font-weight:700;font-size:1.1rem}
.footer-bottom{border-top:1px solid rgba(255,255,255,.1);padding:18px 0;text-align:center;font-size:.82rem;color:#6b8a6b}
.footer-bottom a{color:#a0b89a}

/* === 干扰标签隐藏 === */
.jammer-wrap{position:absolute;width:1px;height:1px;overflow:hidden;clip:rect(0,0,0,0);white-space:nowrap;border:0;opacity:0;pointer-events:none}

/* === 响应式 === */
@media(max-width:1024px){
  .video-grid{grid-template-columns:repeat(3,1fr)}
  .expert-grid{grid-template-columns:repeat(2,1fr)}
  .howto-steps{grid-template-columns:repeat(2,1fr)}
  .footer-grid{grid-template-columns:repeat(2,1fr)}
}
@media(max-width:768px){
  .main-nav{display:none;position:absolute;top:100%;left:0;right:0;background:#0d2818;flex-direction:column;padding:16px;gap:4px}
  .main-nav.open{display:flex}
  .nav-toggle{display:block}
  .hero-section{height:400px}
  .hero-text h1{font-size:1.8rem}
  .video-grid{grid-template-columns:repeat(2,1fr)}
  .media-cats{grid-template-columns:repeat(2,1fr)}
  .ai-features{grid-template-columns:1fr}
  .community-grid{grid-template-columns:1fr}
  .photo-gallery{grid-template-columns:repeat(2,1fr)}
  .review-grid{grid-template-columns:1fr}
  .header-inner{flex-wrap:wrap}
  .search-bar{width:100%;margin-top:10px}
  .search-bar input{width:100%}
}
@media(max-width:480px){
  .video-grid{grid-template-columns:1fr}
  .media-cats{grid-template-columns:1fr}
  .howto-steps{grid-template-columns:1fr}
  .expert-grid{grid-template-columns:1fr}
  .footer-grid{grid-template-columns:1fr}
  .qrcode-row{flex-direction:column;align-items:center}
  .tiktok-card{min-width:160px;max-width:160px}
}