/* ============================================
   高清视频 - 动物写真与视频社区 全站样式
   品牌色系: 森林绿 #1a5c2e / 琥珀金 #d4a843 / 深墨 #1a1a2e
   ============================================ */

/* === 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","Hiragino Sans GB","Microsoft YaHei","WenQuanYi Micro Hei",sans-serif;color:#2d2d2d;background:#fafaf5;line-height:1.7}
a{color:#1a5c2e;text-decoration:none;transition:color .3s}
a:hover{color:#d4a843}
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:#1a1a2e}

/* === 容器 === */
.container{max-width:1200px;margin:0 auto;padding:0 20px}
.section-wrap{padding:60px 0}
.section-wrap:nth-child(even){background:#f0efe8}

/* === 顶部导航 === */
.site-header{background:#1a1a2e;position:sticky;top:0;z-index:1000;box-shadow:0 2px 12px rgba(0,0,0,.15)}
.nav-inner{display:flex;align-items:center;justify-content:space-between;padding:0 20px;max-width:1200px;margin:0 auto;height:68px}
.nav-logo{display:flex;align-items:center;gap:10px}
.nav-logo img{height:42px;width:42px;border-radius:50%}
.nav-logo span{color:#fff;font-size:1.3rem;font-weight:700;letter-spacing:1px}
.nav-menu{display:flex;gap:6px}
.nav-menu a{color:#e0e0e0;padding:8px 16px;border-radius:6px;font-size:.95rem;transition:all .3s}
.nav-menu a:hover,.nav-menu a.active{background:#1a5c2e;color:#fff}
.nav-toggle{display:none;flex-direction:column;gap:5px;cursor:pointer;padding:8px}
.nav-toggle span{width:26px;height:3px;background:#fff;border-radius:2px;transition:all .3s}

/* === 搜索框 === */
.search-bar{background:#f5f4ed;border-bottom:1px solid #e0dfda;padding:12px 0}
.search-inner{max-width:1200px;margin:0 auto;padding:0 20px;display:flex;justify-content:center}
.search-box{display:flex;width:100%;max-width:560px;border-radius:24px;overflow:hidden;box-shadow:0 2px 8px rgba(0,0,0,.08)}
.search-box input{flex:1;border:none;padding:10px 20px;font-size:.95rem;outline:none;background:#fff}
.search-box button{background:#1a5c2e;color:#fff;border:none;padding:10px 24px;cursor:pointer;font-size:.95rem;transition:background .3s}
.search-box button:hover{background:#d4a843}

/* === 面包屑 === */
.breadcrumb{padding:14px 0;font-size:.85rem;color:#888}
.breadcrumb a{color:#1a5c2e}
.breadcrumb span{margin:0 6px;color:#ccc}

/* === Banner === */
.hero-banner{position:relative;height:520px;overflow:hidden;display:flex;align-items:center;justify-content:center}
.hero-banner img{position:absolute;top:0;left:0;width:100%;height:100%;object-fit:cover;filter:brightness(.65)}
.hero-content{position:relative;z-index:2;text-align:center;color:#fff;max-width:720px;padding:0 20px}
.hero-content h1{font-size:2.6rem;margin-bottom:16px;text-shadow:0 3px 12px rgba(0,0,0,.5)}
.hero-content p{font-size:1.15rem;line-height:1.8;text-shadow:0 2px 8px rgba(0,0,0,.4)}
.hero-tag{display:inline-block;background:#d4a843;color:#1a1a2e;padding:6px 22px;border-radius:20px;font-weight:600;margin-top:18px;font-size:.95rem}

/* === 栏目标题 === */
.section-title{text-align:center;margin-bottom:40px}
.section-title h2{font-size:1.9rem;color:#1a1a2e;position:relative;display:inline-block;padding-bottom:12px}
.section-title h2::after{content:"";position:absolute;bottom:0;left:50%;transform:translateX(-50%);width:60px;height:3px;background:linear-gradient(90deg,#1a5c2e,#d4a843);border-radius:2px}
.section-title p{color:#777;margin-top:10px;font-size:.95rem}

/* === 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:transform .3s,box-shadow .3s}
.video-card:hover{transform:translateY(-6px);box-shadow:0 8px 28px rgba(0,0,0,.12)}
.video-thumb{position:relative;padding-top:56.25%;overflow:hidden;background:#222}
.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(1.06)}
.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}
.play-btn::after{content:"";border-left:20px solid #fff;border-top:12px solid transparent;border-bottom:12px solid transparent;margin-left:4px}
.video-card:hover .play-btn{opacity:1}
.video-info{padding:16px}
.video-info h3{font-size:1.05rem;margin-bottom:8px;color:#1a1a2e;display:-webkit-box;-webkit-line-clamp:2;-webkit-box-orient:vertical;overflow:hidden}
.video-meta{display:flex;gap:14px;font-size:.8rem;color:#999}
.video-meta span{display:flex;align-items:center;gap:4px}
.video-tag{display:inline-block;background:#e8f5e9;color:#1a5c2e;padding:2px 10px;border-radius:10px;font-size:.75rem;margin-top:8px}

/* === 短视频风格 === */
.short-video-grid{display:grid;grid-template-columns:repeat(auto-fill,minmax(200px,1fr));gap:16px}
.short-card{border-radius:14px;overflow:hidden;position:relative;padding-top:160%;background:#111;box-shadow:0 4px 12px rgba(0,0,0,.1)}
.short-card img{position:absolute;top:0;left:0;width:100%;height:100%;object-fit:cover;transition:transform .4s}
.short-card:hover img{transform:scale(1.05)}
.short-overlay{position:absolute;bottom:0;left:0;right:0;padding:16px;background:linear-gradient(transparent,rgba(0,0,0,.75));color:#fff;z-index:2}
.short-overlay h4{font-size:.9rem;margin-bottom:4px}
.short-overlay span{font-size:.75rem;opacity:.85}
.short-play{position:absolute;top:50%;left:50%;transform:translate(-50%,-50%);width:48px;height:48px;background:rgba(212,168,67,.9);border-radius:50%;display:flex;align-items:center;justify-content:center;opacity:0;transition:opacity .3s;z-index:3}
.short-play::after{content:"";border-left:16px solid #fff;border-top:10px solid transparent;border-bottom:10px solid transparent;margin-left:3px}
.short-card:hover .short-play{opacity:1}

/* === AI赋能模块 === */
.ai-grid{display:grid;grid-template-columns:repeat(auto-fill,minmax(260px,1fr));gap:24px}
.ai-card{background:linear-gradient(135deg,#1a1a2e 0%,#2d3a5e 100%);color:#fff;border-radius:14px;padding:30px 24px;transition:transform .3s}
.ai-card:hover{transform:translateY(-4px)}
.ai-icon{width:52px;height:52px;background:rgba(212,168,67,.2);border-radius:12px;display:flex;align-items:center;justify-content:center;margin-bottom:16px;font-size:1.5rem}
.ai-card h3{font-size:1.1rem;margin-bottom:10px;color:#d4a843}
.ai-card p{font-size:.9rem;line-height:1.7;opacity:.85}

/* === 社区模块 === */
.community-grid{display:grid;grid-template-columns:repeat(auto-fill,minmax(260px,1fr));gap:20px}
.community-card{background:#fff;border-radius:12px;padding:24px;border-left:4px solid #1a5c2e;box-shadow:0 2px 12px rgba(0,0,0,.05);transition:transform .3s}
.community-card:hover{transform:translateX(4px)}
.community-card h4{color:#1a5c2e;margin-bottom:8px;font-size:1rem}
.community-card p{font-size:.88rem;color:#666;line-height:1.7}
.community-badge{display:inline-block;background:#d4a843;color:#fff;padding:2px 12px;border-radius:10px;font-size:.72rem;margin-top:10px}

/* === 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:14px;overflow:hidden;box-shadow:0 4px 16px rgba(0,0,0,.06);text-align:center;transition:transform .3s}
.expert-card:hover{transform:translateY(-4px)}
.expert-avatar{width:100%;height:200px;object-fit:cover}
.expert-info{padding:20px}
.expert-info h4{font-size:1.05rem;color:#1a1a2e;margin-bottom:4px}
.expert-role{color:#1a5c2e;font-size:.85rem;font-weight:600;margin-bottom:10px}
.expert-info p{font-size:.85rem;color:#777;line-height:1.6}
.expert-btns{display:flex;gap:10px;justify-content:center;margin-top:14px}
.expert-btns a{padding:6px 18px;border-radius:20px;font-size:.82rem;font-weight:600}
.btn-primary{background:#1a5c2e;color:#fff}
.btn-outline{border:1px solid #1a5c2e;color:#1a5c2e}
.btn-primary:hover{background:#d4a843;color:#1a1a2e}
.btn-outline:hover{background:#1a5c2e;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;cursor:pointer;display:flex;justify-content:space-between;align-items:center;font-weight:600;color:#1a1a2e;font-size:1rem;transition:background .3s}
.faq-q:hover{background:#f5f4ed}
.faq-q::after{content:"+";font-size:1.4rem;color:#1a5c2e;transition:transform .3s}
.faq-item.active .faq-q::after{transform:rotate(45deg)}
.faq-a{padding:0 24px;max-height:0;overflow:hidden;transition:max-height .4s ease,padding .4s ease;font-size:.92rem;color:#666;line-height:1.8}
.faq-item.active .faq-a{max-height:300px;padding:0 24px 18px}

/* === 用户评论 === */
.review-grid{display:grid;grid-template-columns:repeat(auto-fill,minmax(280px,1fr));gap:20px}
.review-card{background:#fff;border-radius:12px;padding:24px;box-shadow:0 2px 12px rgba(0,0,0,.05)}
.review-stars{color:#d4a843;font-size:1rem;margin-bottom:10px;letter-spacing:2px}
.review-text{font-size:.92rem;color:#555;line-height:1.7;margin-bottom:14px;font-style:italic}
.review-author{display:flex;align-items:center;gap:10px}
.review-avatar{width:40px;height:40px;border-radius:50%;background:#e8f5e9;display:flex;align-items:center;justify-content:center;color:#1a5c2e;font-weight:700;font-size:.9rem}
.review-name{font-weight:600;font-size:.88rem;color:#1a1a2e}
.review-date{font-size:.75rem;color:#aaa}

/* === 联系我们 === */
.contact-grid{display:grid;grid-template-columns:repeat(auto-fill,minmax(300px,1fr));gap:30px}
.contact-card{background:#fff;border-radius:12px;padding:28px;box-shadow:0 2px 12px rgba(0,0,0,.05)}
.contact-card h4{color:#1a5c2e;margin-bottom:14px;font-size:1.05rem;border-bottom:2px solid #e8f5e9;padding-bottom:10px}
.contact-item{display:flex;align-items:flex-start;gap:10px;margin-bottom:12px;font-size:.9rem;color:#555}
.contact-item strong{color:#1a1a2e;min-width:70px}
.qr-wrap{display:flex;gap:20px;justify-content:center;margin-top:16px}
.qr-wrap img{width:140px;height:140px;border-radius:8px;border:2px solid #e8f5e9}
.qr-wrap p{text-align:center;font-size:.8rem;color:#888;margin-top:6px}

/* === 合作模块 === */
.howto-steps{display:grid;grid-template-columns:repeat(auto-fill,minmax(240px,1fr));gap:20px;margin-top:30px}
.howto-step{background:#fff;border-radius:12px;padding:24px;text-align:center;box-shadow:0 2px 10px rgba(0,0,0,.05)}
.step-num{width:44px;height:44px;background:linear-gradient(135deg,#1a5c2e,#d4a843);color:#fff;border-radius:50%;display:flex;align-items:center;justify-content:center;margin:0 auto 14px;font-weight:700;font-size:1.1rem}
.howto-step h4{color:#1a1a2e;margin-bottom:8px;font-size:.98rem}
.howto-step p{font-size:.85rem;color:#777;line-height:1.6}

/* === 分享按钮 === */
.share-bar{display:flex;gap:12px;justify-content:center;flex-wrap:wrap;margin-top:20px}
.share-btn{padding:8px 20px;border-radius:20px;font-size:.85rem;color:#fff;font-weight:600;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:#1a1a2e;color:#b0b0b0;padding:40px 0 20px}
.footer-inner{max-width:1200px;margin:0 auto;padding:0 20px}
.footer-top{display:grid;grid-template-columns:repeat(auto-fit,minmax(200px,1fr));gap:30px;margin-bottom:30px}
.footer-col h5{color:#d4a843;margin-bottom:14px;font-size:.95rem}
.footer-col a{display:block;color:#999;font-size:.85rem;margin-bottom:8px;transition:color .3s}
.footer-col a:hover{color:#d4a843}
.footer-col p{font-size:.85rem;line-height:1.7}
.footer-logo{display:flex;align-items:center;gap:10px;margin-bottom:12px}
.footer-logo img{height:36px;width:36px;border-radius:50%}
.footer-logo span{color:#fff;font-weight:700;font-size:1.1rem}
.footer-bottom{border-top:1px solid #2d2d4e;padding-top:18px;text-align:center;font-size:.82rem;color:#777}
.footer-qr{display:flex;gap:20px;margin-top:10px}
.footer-qr img{width:100px;height:100px;border-radius:6px}
.footer-qr-label{font-size:.75rem;text-align:center;color:#999;margin-top:4px}

/* === MCP前端代码区 === */
.mcp-widget{background:#0d0d1a;border:1px solid #2d2d4e;border-radius:10px;padding:20px;margin-top:20px;font-family:"Courier New",monospace;font-size:.82rem;color:#7fdbca;max-height:160px;overflow-y:auto}
.mcp-widget code{color:#c3e88d}

/* === 内页通用 === */
.page-hero{background:linear-gradient(135deg,#1a1a2e 0%,#2d3a5e 100%);color:#fff;padding:60px 0;text-align:center}
.page-hero h1{font-size:2rem;margin-bottom:10px;color:#fff}
.page-hero p{font-size:1rem;opacity:.85;max-width:600px;margin:0 auto}
.content-section{padding:50px 0}
.content-section h2{color:#1a5c2e;margin-bottom:20px;font-size:1.5rem}
.content-section p{margin-bottom:16px;line-height:1.8;color:#555}
.content-section h3{color:#1a1a2e;margin:24px 0 12px;font-size:1.2rem}

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

/* === 响应式 === */
@media(max-width:768px){
  .nav-menu{display:none;position:absolute;top:68px;left:0;right:0;background:#1a1a2e;flex-direction:column;padding:16px;gap:4px;box-shadow:0 4px 12px rgba(0,0,0,.2)}
  .nav-menu.open{display:flex}
  .nav-toggle{display:flex}
  .hero-banner{height:380px}
  .hero-content h1{font-size:1.8rem}
  .hero-content p{font-size:.95rem}
  .section-wrap{padding:40px 0}
  .section-title h2{font-size:1.5rem}
  .video-grid{grid-template-columns:repeat(auto-fill,minmax(240px,1fr))}
  .short-video-grid{grid-template-columns:repeat(auto-fill,minmax(150px,1fr))}
  .footer-top{grid-template-columns:1fr}
  .contact-grid{grid-template-columns:1fr}
  .qr-wrap{flex-direction:column;align-items:center}
}
@media(max-width:480px){
  .hero-banner{height:300px}
  .hero-content h1{font-size:1.4rem}
  .video-grid{grid-template-columns:1fr}
  .short-video-grid{grid-template-columns:repeat(2,1fr)}
  .ai-grid{grid-template-columns:1fr}
  .expert-grid{grid-template-columns:1fr}
  .review-grid{grid-template-columns:1fr}
}

/* === 懒加载占位 === */
img[loading="lazy"]{background:#e8e8e0;min-height:100px}

/* === 动画 === */
@keyframes fadeInUp{from{opacity:0;transform:translateY(24px)}to{opacity:1;transform:translateY(0)}}
.fade-in{animation:fadeInUp .6s ease forwards;opacity:0}

/* === 最新动态滚动条 === */
.latest-news{background:#1a5c2e;padding:10px 0;overflow:hidden}
.news-ticker{display:flex;align-items:center;gap:16px}
.news-label{background:#d4a843;color:#1a1a2e;padding:4px 14px;border-radius:4px;font-size:.82rem;font-weight:700;white-space:nowrap}
.news-scroll{overflow:hidden;flex:1;position:relative;height:24px}
.news-scroll span{position:absolute;white-space:nowrap;color:#fff;font-size:.85rem;animation:scrollNews 20s linear infinite;top:0}
.news-scroll span:nth-child(2){animation-delay:5s}
.news-scroll span:nth-child(3){animation-delay:10s}
.news-scroll span:nth-child(4){animation-delay:15s}
@keyframes scrollNews{0%{left:100%;opacity:1}90%{opacity:1}100%{left:-100%;opacity:0}}

/* === 荣誉资质 === */
.honors-grid{display:grid;grid-template-columns:repeat(auto-fill,minmax(240px,1fr));gap:20px}
.honor-card{background:#fff;border-radius:12px;padding:28px 20px;text-align:center;box-shadow:0 4px 16px rgba(0,0,0,.06);transition:transform .3s;border-top:3px solid #d4a843}
.honor-card:hover{transform:translateY(-4px)}
.honor-icon{font-size:2.2rem;margin-bottom:12px}
.honor-card h4{font-size:1rem;color:#1a1a2e;margin-bottom:8px}
.honor-card p{font-size:.85rem;color:#777}

/* === 友情链接 === */
.friend-links{background:#f0efe8;padding:16px 0;border-top:1px solid #e0dfda}
.friend-links h6{display:inline;color:#999;font-size:.82rem;margin-right:12px}
.links-wrap{display:inline}
.links-wrap a{color:#888;font-size:.82rem;margin-right:16px;transition:color .3s}
.links-wrap a:hover{color:#1a5c2e}

/* === 返回顶部 === */
.back-to-top{position:fixed;bottom:40px;right:30px;width:44px;height:44px;background:#1a5c2e;color:#fff;border-radius:50%;display:flex;align-items:center;justify-content:center;cursor:pointer;opacity:0;visibility:hidden;transition:all .3s;z-index:999;box-shadow:0 4px 12px rgba(0,0,0,.15);font-size:1rem}
.back-to-top.visible{opacity:1;visibility:visible}
.back-to-top:hover{background:#d4a843}

/* === 信任徽章 === */
.trust-badges{display:flex;gap:8px;flex-wrap:wrap;margin-top:12px}
.trust-badge{background:#1a5c2e;color:#fff;padding:2px 10px;border-radius:10px;font-size:.72rem}

/* === 视频时长标签 === */
.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;z-index:2}

/* === 视频作者信息 === */
.video-author{font-size:.78rem;color:#999;margin-top:4px}

/* === 更新时间标记 === */
.update-time{font-size:.82rem;color:#999;margin-bottom:16px;padding-bottom:12px;border-bottom:1px solid #eee}

/* === 专家资质标签 === */
.expert-certs{display:flex;gap:6px;flex-wrap:wrap;margin:10px 0}
.cert-tag{background:#e8f5e9;color:#1a5c2e;padding:2px 10px;border-radius:10px;font-size:.72rem;font-weight:600}

/* === 页脚隐私链接 === */
.footer-bottom a{color:#d4a843;margin:0 4px}
.footer-bottom a:hover{color:#fff}