/* ============================================
   海角社区 - 动物写真视频社区 原创样式
   配色方案：森林绿 #1a5c2e + 竹金 #c8a84e + 深墨 #1a1a2e + 象牙白 #f8f6f0
   ============================================ */

/* === Reset & Base === */
*{margin:0;padding:0;box-sizing:border-box}
html{scroll-behavior:smooth;font-size:16px}
body{font-family:"PingFang SC","Microsoft YaHei","Helvetica Neue",Arial,sans-serif;color:#2d2d2d;background:#f8f6f0;line-height:1.8}
a{color:#1a5c2e;text-decoration:none;transition:color .3s}
a:hover{color:#c8a84e}
img{max-width:100%;height:auto;display:block}
ul,ol{list-style:none}
.container{max-width:1200px;margin:0 auto;padding:0 20px}

/* === Header & Navigation === */
.site-header{background:linear-gradient(135deg,#1a1a2e 0%,#16213e 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:10px 20px;max-width:1200px;margin:0 auto}
.logo-wrap{display:flex;align-items:center;gap:10px}
.logo-wrap img{height:48px;width:auto}
.logo-wrap .brand-name{color:#c8a84e;font-size:1.5rem;font-weight:700;letter-spacing:2px}
.main-nav{display:flex;gap:6px;flex-wrap:wrap}
.main-nav a{color:#e0e0e0;padding:8px 14px;border-radius:6px;font-size:.9rem;transition:all .3s}
.main-nav a:hover,.main-nav a.active{background:#1a5c2e;color:#fff}
.mobile-menu-btn{display:none;background:none;border:none;color:#fff;font-size:1.5rem;cursor:pointer}

/* === Search Bar === */
.search-bar{background:#f0ede4;padding:12px 0;border-bottom:1px solid #ddd}
.search-bar form{display:flex;max-width:600px;margin:0 auto;gap:8px;padding:0 20px}
.search-bar input{flex:1;padding:10px 16px;border:2px solid #1a5c2e;border-radius:25px;font-size:.95rem;outline:none;background:#fff;transition:border-color .3s}
.search-bar input:focus{border-color:#c8a84e}
.search-bar button{background:linear-gradient(135deg,#1a5c2e,#2d8a4e);color:#fff;border:none;padding:10px 24px;border-radius:25px;cursor:pointer;font-size:.95rem;transition:transform .2s}
.search-bar button:hover{transform:scale(1.05)}

/* === Banner === */
.hero-banner{position:relative;height:520px;overflow:hidden;background:#1a1a2e}
.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;padding:20px;background:linear-gradient(180deg,rgba(26,26,46,.3) 0%,rgba(26,92,46,.5) 100%)}
.hero-overlay h1{color:#fff;font-size:2.8rem;text-shadow:2px 2px 8px rgba(0,0,0,.6);margin-bottom:12px}
.hero-overlay h2{color:#c8a84e;font-size:1.3rem;font-weight:400;text-shadow:1px 1px 4px rgba(0,0,0,.5);margin-bottom:20px;max-width:700px}
.hero-overlay .hero-tags{display:flex;gap:10px;flex-wrap:wrap;justify-content:center}
.hero-overlay .hero-tags span{background:rgba(26,92,46,.8);color:#fff;padding:6px 16px;border-radius:20px;font-size:.85rem}

/* === Section Common === */
.section{padding:50px 0}
.section-dark{background:#1a1a2e;color:#f8f6f0}
.section-green{background:linear-gradient(135deg,#1a5c2e 0%,#0d3b1a 100%);color:#fff}
.section-light{background:#f0ede4}
.section-title{text-align:center;margin-bottom:35px}
.section-title h2{font-size:2rem;color:#1a5c2e;position:relative;display:inline-block;padding-bottom:10px}
.section-dark .section-title h2{color:#c8a84e}
.section-green .section-title h2{color:#c8a84e}
.section-title h2::after{content:"";position:absolute;bottom:0;left:50%;transform:translateX(-50%);width:60px;height:3px;background:linear-gradient(90deg,#1a5c2e,#c8a84e)}
.section-title p{color:#666;margin-top:8px;font-size:1rem}
.section-dark .section-title p{color:#aaa}
.section-green .section-title p{color:#d4e8d4}

/* === Video Cards === */
.video-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:24px}
.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}
.video-card:hover{transform:translateY(-6px);box-shadow:0 12px 32px rgba(26,92,46,.15)}
.video-thumb{position:relative;padding-top:56.25%;background:#1a1a2e;overflow:hidden}
.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(1.08)}
.play-btn{position:absolute;top:50%;left:50%;transform:translate(-50%,-50%);width:56px;height:56px;background:rgba(26,92,46,.85);border-radius:50%;display:flex;align-items:center;justify-content:center;opacity:0;transition:opacity .3s,transform .3s}
.video-card:hover .play-btn{opacity:1;transform:translate(-50%,-50%) scale(1.1)}
.play-btn::after{content:"";border-style:solid;border-width:10px 0 10px 18px;border-color:transparent transparent transparent #fff;margin-left:3px}
.video-stats{position:absolute;bottom:8px;left:8px;display:flex;gap:8px}
.video-stats span{background:rgba(0,0,0,.7);color:#fff;padding:3px 10px;border-radius:12px;font-size:.75rem}
.video-info{padding:14px}
.video-info h3{font-size:1rem;color:#1a1a2e;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;align-items:center;font-size:.8rem;color:#888;margin-bottom:8px}
.video-tags{display:flex;gap:6px;flex-wrap:wrap}
.video-tags span{font-size:.75rem;padding:3px 10px;border-radius:12px}
.tag-video{background:#e74c3c;color:#fff}
.tag-hot{background:#f39c12;color:#fff}
.tag-nature{background:#1a5c2e;color:#fff}
.tag-panda{background:#2d8a4e;color:#fff}
.tag-polar{background:#3498db;color:#fff}
.tag-tiger{background:#e67e22;color:#fff}
.tag-sloth{background:#8e44ad;color:#fff}
.tag-life{background:#1abc9c;color:#fff}

/* === Entertainment Section === */
.ent-grid{display:grid;grid-template-columns:repeat(4,1fr);gap:18px}
.ent-card{background:rgba(255,255,255,.08);border-radius:12px;overflow:hidden;border:1px solid rgba(200,168,78,.2);transition:all .3s}
.ent-card:hover{border-color:#c8a84e;transform:translateY(-4px)}
.ent-card .ent-thumb{position:relative;padding-top:130%;overflow:hidden}
.ent-card .ent-thumb img{position:absolute;top:0;left:0;width:100%;height:100%;object-fit:cover}
.ent-card .ent-info{padding:12px}
.ent-card .ent-info h4{color:#c8a84e;font-size:.9rem;margin-bottom:4px}
.ent-card .ent-info p{color:#aaa;font-size:.8rem}

/* === AI Section === */
.ai-grid{display:grid;grid-template-columns:1fr 1fr;gap:30px;align-items:center}
.ai-content h3{color:#c8a84e;font-size:1.4rem;margin-bottom:12px}
.ai-content p{color:#d4e8d4;margin-bottom:10px;font-size:.95rem}
.ai-features{display:grid;grid-template-columns:1fr 1fr;gap:12px;margin-top:16px}
.ai-feature-item{background:rgba(255,255,255,.06);padding:14px;border-radius:8px;border-left:3px solid #c8a84e}
.ai-feature-item h4{color:#c8a84e;font-size:.9rem;margin-bottom:4px}
.ai-feature-item p{color:#aaa;font-size:.8rem}
.ai-img{border-radius:12px;overflow:hidden}
.ai-img img{width:100%;border-radius:12px}

/* === Community Tags === */
.community-tags{display:flex;flex-wrap:wrap;gap:10px;justify-content:center;margin-top:20px}
.community-tags a{display:inline-block;padding:8px 20px;border-radius:25px;font-size:.9rem;transition:all .3s;background:#1a5c2e;color:#fff}
.community-tags a:hover{background:#c8a84e;color:#1a1a2e;transform:scale(1.05)}

/* === Expert Section === */
.expert-grid{display:grid;grid-template-columns:repeat(4,1fr);gap:24px}
.expert-card{background:#fff;border-radius:12px;overflow:hidden;text-align:center;box-shadow:0 4px 16px rgba(0,0,0,.08);transition:transform .3s}
.expert-card:hover{transform:translateY(-4px)}
.expert-card img{width:100%;aspect-ratio:1;object-fit:cover}
.expert-card .expert-info{padding:16px}
.expert-card h4{color:#1a5c2e;font-size:1rem;margin-bottom:4px}
.expert-card .expert-title{color:#c8a84e;font-size:.85rem;margin-bottom:6px}
.expert-card p{color:#666;font-size:.8rem;line-height:1.5}
.expert-card .expert-btns{display:flex;gap:8px;justify-content:center;margin-top:10px}
.expert-card .expert-btns a{padding:6px 14px;border-radius:20px;font-size:.8rem;border:1px solid #1a5c2e;color:#1a5c2e;transition:all .3s}
.expert-card .expert-btns a:hover{background:#1a5c2e;color:#fff}

/* === Data Stats === */
.stats-row{display:grid;grid-template-columns:repeat(4,1fr);gap:20px;text-align:center;padding:30px 0}
.stat-item .stat-num{font-size:2.5rem;font-weight:700;color:#c8a84e}
.stat-item .stat-label{color:#d4e8d4;font-size:.9rem;margin-top:4px}

/* === FAQ === */
.faq-list{max-width:800px;margin:0 auto}
.faq-item{background:#fff;border-radius:10px;margin-bottom:12px;overflow:hidden;box-shadow:0 2px 8px rgba(0,0,0,.05)}
.faq-question{padding:16px 20px;cursor:pointer;display:flex;justify-content:space-between;align-items:center;font-weight:600;color:#1a5c2e;transition:background .3s}
.faq-question:hover{background:#f0ede4}
.faq-question::after{content:"+";font-size:1.4rem;color:#c8a84e;transition:transform .3s}
.faq-item.active .faq-question::after{transform:rotate(45deg)}
.faq-answer{padding:0 20px;max-height:0;overflow:hidden;transition:all .3s;color:#555;font-size:.95rem}
.faq-item.active .faq-answer{padding:0 20px 16px;max-height:500px}

/* === Reviews === */
.review-grid{display:grid;grid-template-columns:repeat(2,1fr);gap:20px}
.review-card{background:#fff;border-radius:12px;padding:20px;box-shadow:0 2px 12px rgba(0,0,0,.06);border-left:4px solid #1a5c2e}
.review-card .review-header{display:flex;align-items:center;gap:10px;margin-bottom:10px}
.review-card .avatar{width:42px;height:42px;border-radius:50%;background:linear-gradient(135deg,#1a5c2e,#c8a84e);display:flex;align-items:center;justify-content:center;color:#fff;font-weight:700;font-size:1rem}
.review-card .reviewer-name{font-weight:600;color:#1a1a2e}
.review-card .review-date{color:#999;font-size:.8rem}
.review-card .stars{color:#c8a84e;margin-bottom:6px}
.review-card p{color:#555;font-size:.9rem;line-height:1.6}

/* === Trust Section === */
.trust-grid{display:grid;grid-template-columns:repeat(4,1fr);gap:20px}
.trust-item{background:#fff;border-radius:10px;padding:20px;text-align:center;box-shadow:0 2px 8px rgba(0,0,0,.05)}
.trust-item .trust-icon{font-size:2.5rem;margin-bottom:8px}
.trust-item h4{color:#1a5c2e;font-size:1rem;margin-bottom:6px}
.trust-item p{color:#666;font-size:.8rem}

/* === Brand Wall === */
.brand-wall{display:flex;flex-wrap:wrap;gap:20px;justify-content:center;align-items:center;padding:20px 0}
.brand-wall span{background:#fff;padding:12px 24px;border-radius:8px;font-size:.9rem;color:#1a5c2e;font-weight:600;box-shadow:0 2px 8px rgba(0,0,0,.06);border:1px solid #e0e0e0}

/* === Share Buttons === */
.share-btns{display:flex;gap:12px;justify-content:center;flex-wrap:wrap;margin-top:20px}
.share-btns a{display:inline-flex;align-items:center;gap:6px;padding:8px 18px;border-radius:25px;color:#fff;font-size:.85rem;transition:transform .2s}
.share-btns a:hover{transform:scale(1.05);color:#fff}
.share-wechat{background:#07c160}
.share-weibo{background:#e6162d}
.share-douyin{background:#161823}
.share-bilibili{background:#00a1d6}

/* === Footer === */
.site-footer{background:#0d1117;color:#999;padding:40px 0 20px}
.footer-grid{display:grid;grid-template-columns:2fr 1fr 1fr 1fr;gap:30px;margin-bottom:30px}
.footer-col h4{color:#c8a84e;font-size:1rem;margin-bottom:12px}
.footer-col p{font-size:.85rem;line-height:1.8}
.footer-col a{color:#999;display:block;font-size:.85rem;padding:3px 0;transition:color .3s}
.footer-col a:hover{color:#c8a84e}
.footer-qr{display:flex;gap:16px;margin-top:10px}
.footer-qr img{width:100px;height:100px;border-radius:6px;border:2px solid #333}
.footer-bottom{border-top:1px solid #222;padding-top:16px;text-align:center;font-size:.8rem}
.footer-bottom a{color:#999;margin:0 8px}
.footer-bottom a:hover{color:#c8a84e}

/* === Breadcrumb === */
.breadcrumb{padding:12px 0;font-size:.85rem;color:#888}
.breadcrumb a{color:#1a5c2e}
.breadcrumb span{margin:0 6px;color:#ccc}

/* === Inner Page === */
.page-banner{height:300px;position:relative;overflow:hidden;background:#1a1a2e}
.page-banner img{width:100%;height:100%;object-fit:cover;opacity:.6}
.page-banner .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}
.page-banner h1{color:#fff;font-size:2.2rem;text-shadow:2px 2px 6px rgba(0,0,0,.5)}
.page-banner h2{color:#c8a84e;font-size:1.1rem;font-weight:400;margin-top:8px}
.page-content{padding:40px 0}
.page-content h2{color:#1a5c2e;font-size:1.6rem;margin-bottom:16px;padding-bottom:8px;border-bottom:2px solid #e0e0e0}
.page-content h3{color:#1a5c2e;font-size:1.2rem;margin:20px 0 10px}
.page-content p{margin-bottom:14px;color:#444;font-size:.95rem}

/* === How-To Guide === */
.howto-steps{counter-reset:step}
.howto-step{background:#fff;border-radius:10px;padding:20px;margin-bottom:16px;box-shadow:0 2px 8px rgba(0,0,0,.05);position:relative;padding-left:70px}
.howto-step::before{counter-increment:step;content:counter(step);position:absolute;left:16px;top:16px;width:40px;height:40px;background:linear-gradient(135deg,#1a5c2e,#2d8a4e);color:#fff;border-radius:50%;display:flex;align-items:center;justify-content:center;font-weight:700;font-size:1.1rem}
.howto-step h4{color:#1a5c2e;margin-bottom:6px}
.howto-step p{color:#555;font-size:.9rem}

/* === Contact === */
.contact-grid{display:grid;grid-template-columns:1fr 1fr;gap:30px}
.contact-info-card{background:#fff;border-radius:12px;padding:24px;box-shadow:0 4px 16px rgba(0,0,0,.08)}
.contact-info-card h3{color:#1a5c2e;margin-bottom:12px}
.contact-info-card .info-item{display:flex;gap:10px;padding:10px 0;border-bottom:1px solid #f0f0f0}
.contact-info-card .info-label{font-weight:600;color:#1a5c2e;min-width:80px}
.contact-info-card .info-value{color:#555}

/* === Responsive === */
@media(max-width:768px){
  .header-inner{flex-wrap:wrap}
  .main-nav{display:none;width:100%;flex-direction:column;padding-top:10px}
  .main-nav.active{display:flex}
  .mobile-menu-btn{display:block}
  .hero-banner{height:360px}
  .hero-overlay h1{font-size:1.8rem}
  .hero-overlay h2{font-size:1rem}
  .video-grid{grid-template-columns:1fr 1fr}
  .ent-grid{grid-template-columns:1fr 1fr}
  .expert-grid{grid-template-columns:1fr 1fr}
  .ai-grid{grid-template-columns:1fr}
  .stats-row{grid-template-columns:1fr 1fr}
  .review-grid{grid-template-columns:1fr}
  .trust-grid{grid-template-columns:1fr 1fr}
  .footer-grid{grid-template-columns:1fr 1fr}
  .contact-grid{grid-template-columns:1fr}
  .brand-wall span{padding:8px 16px;font-size:.8rem}
}
@media(max-width:480px){
  .video-grid{grid-template-columns:1fr}
  .ent-grid{grid-template-columns:1fr}
  .expert-grid{grid-template-columns:1fr}
  .stats-row{grid-template-columns:1fr}
  .trust-grid{grid-template-columns:1fr}
  .footer-grid{grid-template-columns:1fr}
}

/* === Interference tag hiding === */
.dz-noise{position:absolute;width:0;height:0;overflow:hidden;opacity:0;pointer-events:none;z-index:-9999}