/* ============================================
   免费看片 - 动物写真与视频社区 主样式表
   22872.cn
   原创设计 - 森林绿+琥珀色主题
   ============================================ */

/* === 基础重置 === */
*,*::before,*::after{box-sizing:border-box;margin:0;padding:0}
html{font-size:16px;scroll-behavior:smooth;-webkit-text-size-adjust:100%}
body{font-family:"PingFang SC","Microsoft YaHei","Hiragino Sans GB",Arial,sans-serif;color:#2d2d2d;background:#faf8f5;line-height:1.7;overflow-x:hidden}
a{color:#1a6b4f;text-decoration:none;transition:color .3s}
a:hover{color:#c75b39}
img{max-width:100%;height:auto;display:block}
ul,ol{list-style:none}
h1,h2,h3,h4,h5,h6{font-weight:700;line-height:1.3;color:#2d2d2d}

/* === 容器 === */
.container{max-width:1200px;margin:0 auto;padding:0 20px}

/* === 头部导航 === */
.site-header{background:#fff;box-shadow:0 2px 12px rgba(0,0,0,.08);position:sticky;top:0;z-index:1000}
.header-inner{display:flex;align-items:center;justify-content:space-between;padding:12px 20px;max-width:1200px;margin:0 auto}
.site-logo{display:flex;align-items:center;gap:10px}
.site-logo img{height:48px;width:auto}
.site-logo span{font-size:1.5rem;font-weight:800;color:#1a6b4f}
.main-nav{display:flex;align-items:center;gap:0}
.main-nav a{display:block;padding:10px 18px;font-size:.95rem;font-weight:500;color:#2d2d2d;border-radius:6px;transition:all .3s}
.main-nav a:hover,.main-nav a.active{background:#1a6b4f;color:#fff}

/* === 搜索框 === */
.search-bar{background:#f5f2ed;padding:12px 0;border-bottom:1px solid #e8e4df}
.search-bar .container{display:flex;justify-content:center}
.search-wrap{display:flex;max-width:560px;width:100%;border-radius:24px;overflow:hidden;box-shadow:0 2px 8px rgba(0,0,0,.06)}
.search-wrap input{flex:1;border:2px solid #1a6b4f;border-right:none;padding:10px 20px;font-size:.95rem;outline:none;border-radius:24px 0 0 24px;background:#fff}
.search-wrap button{background:#1a6b4f;color:#fff;border:none;padding:10px 28px;font-size:.95rem;cursor:pointer;border-radius:0 24px 24px 0;transition:background .3s}
.search-wrap button:hover{background:#145a42}

/* === Banner区域 === */
.hero-banner{position:relative;min-height:520px;background-size:cover;background-position:center;display:flex;align-items:center;overflow:hidden}
.hero-banner::before{content:'';position:absolute;inset:0;background:linear-gradient(135deg,rgba(26,107,79,.85) 0%,rgba(26,107,79,.5) 50%,rgba(240,160,48,.3) 100%)}
.hero-content{position:relative;z-index:2;color:#fff;max-width:680px;padding:60px 0}
.hero-content h1{font-size:2.6rem;margin-bottom:16px;text-shadow:0 2px 8px rgba(0,0,0,.3)}
.hero-content p{font-size:1.15rem;margin-bottom:24px;opacity:.95;line-height:1.8}
.hero-btn{display:inline-block;background:#f0a030;color:#fff;padding:14px 36px;border-radius:30px;font-size:1.05rem;font-weight:600;transition:all .3s;box-shadow:0 4px 16px rgba(240,160,48,.4)}
.hero-btn:hover{background:#c75b39;color:#fff;transform:translateY(-2px)}

/* === 通用区块 === */
.section{padding:60px 0}
.section-alt{background:#f0ede8}
.section-dark{background:#1a6b4f;color:#fff}
.section-dark h2,.section-dark h3{color:#fff}
.section-title{text-align:center;margin-bottom:40px}
.section-title h2{font-size:2rem;color:#1a6b4f;margin-bottom:10px}
.section-title p{color:#666;font-size:1.05rem}
.section-dark .section-title h2{color:#f0a030}
.section-dark .section-title p{color:rgba(255,255,255,.8)}

/* === 面包屑 === */
.breadcrumb{padding:14px 0;font-size:.88rem;color:#888}
.breadcrumb a{color:#1a6b4f}
.breadcrumb span{margin:0 6px;color:#ccc}

/* === 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 16px rgba(0,0,0,.06);transition:all .3s;cursor:pointer}
.video-card:hover{transform:translateY(-6px);box-shadow:0 8px 30px rgba(0,0,0,.12)}
.video-thumb{position:relative;padding-top:56.25%;overflow:hidden;background:#e8e4df}
.video-thumb img{position:absolute;inset: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:56px;height:56px;background:rgba(26,107,79,.85);border-radius:50%;display:flex;align-items:center;justify-content:center;opacity:0;transition:opacity .3s}
.play-btn::after{content:'';width:0;height:0;border-style:solid;border-width:10px 0 10px 18px;border-color:transparent transparent transparent #fff;margin-left:4px}
.video-card:hover .play-btn{opacity:1}
.video-info{padding:16px}
.video-info h3{font-size:1.05rem;margin-bottom:8px;display:-webkit-box;-webkit-line-clamp:2;-webkit-box-orient:vertical;overflow:hidden}
.video-meta{display:flex;gap:16px;font-size:.82rem;color:#999}
.video-meta span{display:flex;align-items:center;gap:4px}
.video-tag{display:inline-block;background:#e8f5f0;color:#1a6b4f;padding:2px 10px;border-radius:12px;font-size:.78rem;margin-top:8px}

/* === 专家卡片 === */
.expert-grid{display:grid;grid-template-columns:repeat(auto-fill,minmax(260px,1fr));gap:28px}
.expert-card{background:#fff;border-radius:12px;padding:28px;text-align:center;box-shadow:0 4px 16px rgba(0,0,0,.06);transition:all .3s}
.expert-card:hover{transform:translateY(-4px);box-shadow:0 8px 24px rgba(0,0,0,.1)}
.expert-card img{width:100px;height:100px;border-radius:50%;object-fit:cover;margin:0 auto 16px;border:3px solid #1a6b4f}
.expert-card h4{font-size:1.1rem;margin-bottom:4px}
.expert-card .role{color:#f0a030;font-size:.9rem;margin-bottom:12px}
.expert-card p{font-size:.88rem;color:#666;line-height:1.6}
.expert-card .expert-btns{margin-top:16px;display:flex;gap:10px;justify-content:center}
.btn-sm{display:inline-block;padding:8px 18px;border-radius:20px;font-size:.85rem;font-weight:500;transition:all .3s}
.btn-primary{background:#1a6b4f;color:#fff}
.btn-primary:hover{background:#145a42;color:#fff}
.btn-outline{border:1px solid #1a6b4f;color:#1a6b4f}
.btn-outline:hover{background:#1a6b4f;color:#fff}

/* === FAQ === */
.faq-list{max-width:800px;margin:0 auto}
.faq-item{background:#fff;border-radius:10px;margin-bottom:12px;box-shadow:0 2px 8px rgba(0,0,0,.04);overflow:hidden}
.faq-q{padding:18px 24px;font-weight:600;cursor:pointer;display:flex;justify-content:space-between;align-items:center;transition:background .3s}
.faq-q:hover{background:#f5f2ed}
.faq-q::after{content:'+';font-size:1.4rem;color:#1a6b4f;transition:transform .3s}
.faq-item.active .faq-q::after{transform:rotate(45deg)}
.faq-a{padding:0 24px;max-height:0;overflow:hidden;transition:all .4s;color:#666;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(280px,1fr));gap:24px}
.review-card{background:#fff;border-radius:12px;padding:24px;box-shadow:0 4px 16px rgba(0,0,0,.06)}
.review-card .stars{color:#f0a030;font-size:1.1rem;margin-bottom:10px}
.review-card p{font-size:.92rem;color:#555;line-height:1.7;margin-bottom:12px}
.review-card .reviewer{display:flex;align-items:center;gap:10px;font-size:.85rem;color:#999}
.review-card .reviewer strong{color:#2d2d2d}

/* === 联系我们 === */
.contact-grid{display:grid;grid-template-columns:repeat(auto-fill,minmax(240px,1fr));gap:24px}
.contact-item{background:#fff;border-radius:12px;padding:24px;text-align:center;box-shadow:0 4px 16px rgba(0,0,0,.06)}
.contact-item h4{color:#1a6b4f;margin-bottom:8px}
.contact-item p{font-size:.9rem;color:#666}

/* === 模块卡片 === */
.feature-grid{display:grid;grid-template-columns:repeat(auto-fill,minmax(340px,1fr));gap:24px}
.feature-card{background:#fff;border-radius:12px;overflow:hidden;box-shadow:0 4px 16px rgba(0,0,0,.06);transition:all .3s}
.feature-card:hover{transform:translateY(-4px);box-shadow:0 8px 24px rgba(0,0,0,.1)}
.feature-card img{width:100%;height:200px;object-fit:cover}
.feature-card .card-body{padding:20px}
.feature-card h3{font-size:1.15rem;margin-bottom:8px;color:#1a6b4f}
.feature-card p{font-size:.9rem;color:#666;line-height:1.7}

/* === 社区模块 === */
.community-tags{display:flex;flex-wrap:wrap;gap:12px;justify-content:center;margin-top:20px}
.community-tag{background:#e8f5f0;color:#1a6b4f;padding:8px 20px;border-radius:20px;font-size:.9rem;transition:all .3s}
.community-tag:hover{background:#1a6b4f;color:#fff}

/* === 合作品牌 === */
.partner-wall{display:flex;flex-wrap:wrap;gap:20px;justify-content:center;align-items:center}
.partner-wall img{height:60px;opacity:.6;transition:opacity .3s;filter:grayscale(100%)}
.partner-wall img:hover{opacity:1;filter:none}

/* === 分享按钮 === */
.share-bar{display:flex;gap:12px;justify-content:center;flex-wrap:wrap;margin-top:20px}
.share-btn{display:inline-flex;align-items:center;gap:6px;padding:10px 20px;border-radius:24px;font-size:.88rem;color:#fff;transition:all .3s}
.share-btn:hover{transform:translateY(-2px);color:#fff}
.share-wechat{background:#07c160}
.share-weibo{background:#e6162d}
.share-douyin{background:#161823}
.share-bilibili{background:#00a1d6}

/* === 二维码区域 === */
.qrcode-wrap{display:flex;gap:40px;justify-content:center;flex-wrap:wrap;margin-top:30px}
.qrcode-item{text-align:center}
.qrcode-item img{width:160px;height:160px;border-radius:8px;margin-bottom:8px}
.qrcode-item p{font-size:.85rem;color:#999}

/* === 页脚 === */
.site-footer{background:#2d2d2d;color:rgba(255,255,255,.7);padding:40px 0 20px}
.footer-inner{display:grid;grid-template-columns:repeat(auto-fill,minmax(220px,1fr));gap:30px;max-width:1200px;margin:0 auto;padding:0 20px}
.footer-col h4{color:#f0a030;margin-bottom:14px;font-size:1rem}
.footer-col p,.footer-col a{font-size:.88rem;color:rgba(255,255,255,.6);line-height:2}
.footer-col a:hover{color:#f0a030}
.footer-bottom{text-align:center;padding:20px 0 0;margin-top:30px;border-top:1px solid rgba(255,255,255,.1);font-size:.82rem}
.footer-logo{display:flex;align-items:center;gap:8px;margin-bottom:12px}
.footer-logo img{height:36px}
.footer-logo span{font-size:1.2rem;font-weight:700;color:#fff}

/* === How-To指南 === */
.howto-steps{display:grid;grid-template-columns:repeat(auto-fill,minmax(220px,1fr));gap:20px;margin-top:24px}
.howto-step{background:rgba(255,255,255,.1);border-radius:12px;padding:24px;text-align:center}
.howto-step .step-num{width:48px;height:48px;background:#f0a030;color:#fff;border-radius:50%;display:flex;align-items:center;justify-content:center;font-size:1.3rem;font-weight:700;margin:0 auto 12px}
.howto-step h4{margin-bottom:8px}
.howto-step p{font-size:.88rem;opacity:.8}

/* === AI赋能 === */
.ai-features{display:grid;grid-template-columns:repeat(auto-fill,minmax(320px,1fr));gap:24px}
.ai-card{background:rgba(255,255,255,.08);border:1px solid rgba(255,255,255,.15);border-radius:12px;padding:28px;transition:all .3s}
.ai-card:hover{background:rgba(255,255,255,.15);transform:translateY(-4px)}
.ai-card h3{color:#f0a030;margin-bottom:10px;font-size:1.1rem}
.ai-card p{font-size:.9rem;opacity:.85;line-height:1.7}

/* === 移动端响应 === */
@media(max-width:768px){
  .header-inner{flex-wrap:wrap;gap:10px}
  .main-nav{width:100%;overflow-x:auto;justify-content:flex-start;padding-bottom:4px}
  .main-nav a{padding:8px 14px;font-size:.85rem;white-space:nowrap}
  .hero-banner{min-height:400px}
  .hero-content h1{font-size:1.8rem}
  .hero-content p{font-size:1rem}
  .section{padding:40px 0}
  .section-title h2{font-size:1.5rem}
  .video-grid{grid-template-columns:repeat(auto-fill,minmax(240px,1fr));gap:16px}
  .expert-grid{grid-template-columns:1fr}
  .feature-grid{grid-template-columns:1fr}
  .footer-inner{grid-template-columns:1fr 1fr}
  .qrcode-wrap{gap:20px}
  .qrcode-item img{width:120px;height:120px}
}
@media(max-width:480px){
  .main-nav a{padding:6px 10px;font-size:.8rem}
  .hero-content{padding:40px 0}
  .hero-content h1{font-size:1.5rem}
  .video-grid{grid-template-columns:1fr}
  .footer-inner{grid-template-columns:1fr}
  .contact-grid{grid-template-columns:1fr}
}

/* === 懒加载占位 === */
.lazy{opacity:0;transition:opacity .5s}
.lazy.loaded{opacity:1}

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