/* 海角网 - 动物写真与视频社区 全站样式 */
/* dzferhg.cn */
*{margin:0;padding:0;box-sizing:border-box}
html{scroll-behavior:smooth;font-size:16px}
body{font-family:"Microsoft YaHei","PingFang SC","Helvetica Neue",Arial,sans-serif;color:#333;line-height:1.8;background:#fff}
a{color:#2d8f4e;text-decoration:none;transition:color .3s}
a:hover{color:#1a6b35}
img{max-width:100%;height:auto;display:block}
ul,ol{list-style:none}
.container{max-width:1200px;margin:0 auto;padding:0 20px}

/* 头部导航 */
.site-header{background:#1a1a2e;position:sticky;top:0;z-index:1000;box-shadow:0 2px 10px rgba(0,0,0,.15)}
.header-inner{display:flex;align-items:center;justify-content:space-between;padding:10px 20px;max-width:1200px;margin:0 auto}
.site-logo{display:flex;align-items:center;gap:10px}
.site-logo img{height:45px;width:auto}
.site-logo span{color:#fff;font-size:22px;font-weight:700;letter-spacing:1px}
.main-nav{display:flex;gap:5px}
.main-nav a{color:#e0e0e0;padding:8px 14px;border-radius:4px;font-size:15px;transition:all .3s}
.main-nav a:hover,.main-nav a.active{background:#2d8f4e;color:#fff}

/* 汉堡菜单按钮 */
.mobile-menu-btn{display:none;flex-direction:column;gap:5px;background:none;border:none;cursor:pointer;padding:8px;z-index:1001}
.mobile-menu-btn span{display:block;width:25px;height:3px;background:#fff;border-radius:2px;transition:all .3s}
.mobile-menu-btn.active span:nth-child(1){transform:rotate(45deg) translate(5px,6px)}
.mobile-menu-btn.active span:nth-child(2){opacity:0}
.mobile-menu-btn.active span:nth-child(3){transform:rotate(-45deg) translate(5px,-6px)}

/* 搜索栏 */
.search-bar{background:#16213e;padding:10px 0}
.search-bar .container{display:flex;flex-direction:column;align-items:center;gap:8px}
.search-box{display:flex;width:600px;max-width:100%}
.search-box input{flex:1;padding:10px 16px;border:2px solid #2d8f4e;border-right:none;border-radius:25px 0 0 25px;font-size:15px;outline:none;background:#fff}
.search-box button{padding:10px 25px;background:#2d8f4e;color:#fff;border:2px solid #2d8f4e;border-radius:0 25px 25px 0;cursor:pointer;font-size:15px;transition:background .3s}
.search-box button:hover{background:#1a6b35}
.update-badge{color:#aaa;font-size:13px;display:flex;align-items:center;gap:6px}
.update-badge::before{content:'🔄';font-size:14px}

/* Banner */
.hero-banner{position:relative;height:500px;overflow:hidden;background:#000}
.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(to bottom,rgba(0,0,0,.3),rgba(0,0,0,.6))}
.hero-overlay h1{color:#fff;font-size:42px;margin-bottom:15px;text-shadow:2px 2px 8px rgba(0,0,0,.5)}
.hero-overlay p{color:#e0e0e0;font-size:18px;max-width:700px;line-height:1.8}
.hero-overlay .hero-tags{margin-top:20px;display:flex;gap:12px;flex-wrap:wrap;justify-content:center}
.hero-overlay .hero-tags span{background:rgba(45,143,78,.8);color:#fff;padding:6px 16px;border-radius:20px;font-size:14px}

/* 时效性标签 */
.time-badge{display:inline-flex;align-items:center;gap:4px;background:#ff6b35;color:#fff;padding:3px 10px;border-radius:12px;font-size:12px;font-weight:600}
.time-badge.green{background:#2d8f4e}
.time-badge.blue{background:#1890ff}
.update-freq{display:flex;align-items:center;gap:8px;color:#999;font-size:13px;margin-top:8px}
.update-freq::before{content:'⏰'}

/* 区块标题 */
.section-title{text-align:center;padding:50px 0 30px}
.section-title h2{font-size:32px;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:#2d8f4e}
.section-title p{color:#666;margin-top:12px;font-size:16px}

/* 视频卡片 */
.video-grid{display:grid;grid-template-columns:repeat(auto-fill,minmax(280px,1fr));gap:25px;padding:0 0 50px}
.video-card{background:#fff;border-radius:12px;overflow:hidden;box-shadow:0 4px 15px rgba(0,0,0,.08);transition:transform .3s,box-shadow .3s;cursor:pointer}
.video-card:hover{transform:translateY(-5px);box-shadow:0 8px 25px rgba(0,0,0,.15)}
.video-thumb{position:relative;padding-top:56.25%;overflow:hidden;background:#000}
.video-thumb img,.video-thumb video{position:absolute;top:0;left:0;width:100%;height:100%;object-fit:cover;transition:transform .3s}
.video-card:hover .video-thumb img,.video-card:hover .video-thumb video{transform:scale(1.05)}
.play-btn{position:absolute;top:50%;left:50%;transform:translate(-50%,-50%);width:60px;height:60px;background:rgba(45,143,78,.85);border-radius:50%;display:flex;align-items:center;justify-content:center;opacity:0;transition:opacity .3s;z-index:2}
.play-btn::after{content:'';width:0;height:0;border-style:solid;border-width:12px 0 12px 22px;border-color:transparent transparent transparent #fff;margin-left:4px}
.video-card:hover .play-btn{opacity:1}
.video-info{padding:15px}
.video-info h3{font-size:16px;color:#1a1a2e;margin-bottom:8px;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:13px}
.video-meta span{display:flex;align-items:center;gap:4px}
.video-duration{position:absolute;bottom:8px;right:8px;background:rgba(0,0,0,.75);color:#fff;padding:2px 8px;border-radius:3px;font-size:12px;z-index:2}
.video-date{position:absolute;top:8px;left:8px;background:rgba(45,143,78,.9);color:#fff;padding:2px 8px;border-radius:3px;font-size:11px;z-index:2}

/* 模块区块 */
.module-section{padding:30px 0}
.module-section:nth-child(even){background:#f8f9fa}
.module-grid{display:grid;grid-template-columns:repeat(auto-fill,minmax(250px,1fr));gap:20px}
.module-card{background:#fff;padding:25px;border-radius:10px;box-shadow:0 2px 10px rgba(0,0,0,.06);text-align:center;transition:transform .3s}
.module-card:hover{transform:translateY(-3px)}
.module-card .icon{font-size:40px;margin-bottom:15px}
.module-card h4{font-size:18px;color:#1a1a2e;margin-bottom:10px}
.module-card p{color:#666;font-size:14px;line-height:1.7}

/* 专家展示 - EEAT强化 */
.expert-grid{display:grid;grid-template-columns:repeat(auto-fill,minmax(260px,1fr));gap:25px;padding-bottom:50px}
.expert-card{background:#fff;border-radius:12px;overflow:hidden;box-shadow:0 4px 15px rgba(0,0,0,.08);text-align:center;padding-bottom:20px}
.expert-card img{width:100%;height:260px;object-fit:cover}
.expert-card h4{font-size:18px;color:#1a1a2e;margin:15px 0 5px}
.expert-card .role{color:#2d8f4e;font-size:14px;margin-bottom:8px}
.expert-card .cert-badge{display:inline-flex;align-items:center;gap:4px;background:#f0f7f2;color:#2d8f4e;padding:3px 10px;border-radius:12px;font-size:12px;margin-bottom:8px;border:1px solid #2d8f4e}
.expert-card p{color:#666;font-size:13px;padding:0 15px;line-height:1.6}
.expert-card .expert-stats{display:flex;justify-content:center;gap:15px;margin:10px 0;font-size:12px;color:#999}
.expert-card .expert-stats span{display:flex;flex-direction:column;align-items:center}
.expert-card .expert-stats strong{font-size:18px;color:#1a1a2e}
.expert-card .expert-btns{display:flex;gap:10px;justify-content:center;margin-top:15px}
.expert-card .expert-btns a{padding:6px 16px;border-radius:20px;font-size:13px;border:1px solid #2d8f4e;color:#2d8f4e;transition:all .3s}
.expert-card .expert-btns a:hover{background:#2d8f4e;color:#fff}

/* FAQ */
.faq-section{padding:40px 0 60px}
.faq-item{background:#fff;border:1px solid #e8e8e8;border-radius:8px;margin-bottom:12px;overflow:hidden}
.faq-question{padding:18px 20px;font-size:16px;font-weight:600;color:#1a1a2e;cursor:pointer;display:flex;justify-content:space-between;align-items:center;transition:background .3s}
.faq-question:hover{background:#f0f7f2}
.faq-question::after{content:'+';font-size:22px;color:#2d8f4e;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;line-height:1.8}
.faq-item.active .faq-answer{padding:0 20px 18px;max-height:500px}

/* 用户评论 */
.review-grid{display:grid;grid-template-columns:repeat(auto-fill,minmax(280px,1fr));gap:20px;padding-bottom:50px}
.review-card{background:#fff;padding:25px;border-radius:10px;box-shadow:0 2px 12px rgba(0,0,0,.06);position:relative}
.review-card::before{content:'\201C';font-size:60px;color:#2d8f4e;opacity:.2;position:absolute;top:5px;left:15px;font-family:Georgia,serif}
.review-stars{color:#f5a623;font-size:16px;margin-bottom:10px}
.review-card p{color:#555;font-size:14px;line-height:1.7;margin-bottom:12px;padding-top:10px}
.review-author{display:flex;align-items:center;gap:10px}
.review-author .avatar{width:40px;height:40px;border-radius:50%;background:#2d8f4e;color:#fff;display:flex;align-items:center;justify-content:center;font-size:16px;font-weight:700}
.review-author .name{font-size:14px;color:#333;font-weight:600}
.review-author .date{font-size:12px;color:#999}

/* 社区功能 */
.community-grid{display:grid;grid-template-columns:repeat(auto-fill,minmax(200px,1fr));gap:20px}
.community-card{text-align:center;padding:20px;background:#fff;border-radius:10px;box-shadow:0 2px 10px rgba(0,0,0,.06);transition:transform .3s}
.community-card:hover{transform:translateY(-3px)}
.community-card img{width:100%;height:150px;object-fit:cover;border-radius:8px;margin-bottom:12px}
.community-card h5{font-size:15px;color:#1a1a2e}
.community-card .count{color:#999;font-size:13px;margin-top:5px}

/* AI赋能 */
.ai-features{display:grid;grid-template-columns:repeat(3,1fr);gap:25px;padding-bottom:50px}
.ai-card{background:linear-gradient(135deg,#1a1a2e,#16213e);color:#fff;padding:30px;border-radius:12px;text-align:center;transition:transform .3s}
.ai-card:hover{transform:translateY(-5px)}
.ai-card .ai-icon{font-size:48px;margin-bottom:15px}
.ai-card h4{font-size:18px;margin-bottom:10px}
.ai-card p{font-size:14px;opacity:.85;line-height:1.7}

/* 合作品牌 */
.brand-wall{display:flex;flex-wrap:wrap;justify-content:center;gap:30px;padding:30px 0 50px}
.brand-wall .brand-item{width:120px;height:60px;background:#f5f5f5;border-radius:8px;display:flex;align-items:center;justify-content:center;font-size:14px;color:#666;font-weight:600}

/* How-To指南 */
.howto-steps{display:grid;grid-template-columns:repeat(4,1fr);gap:20px;padding-bottom:50px}
.howto-step{text-align:center;padding:25px;background:#fff;border-radius:10px;box-shadow:0 2px 10px rgba(0,0,0,.06)}
.howto-step .step-num{width:50px;height:50px;background:#2d8f4e;color:#fff;border-radius:50%;display:flex;align-items:center;justify-content:center;font-size:22px;font-weight:700;margin:0 auto 15px}
.howto-step h5{font-size:16px;color:#1a1a2e;margin-bottom:8px}
.howto-step p{color:#666;font-size:13px;line-height:1.6}

/* 联系我们 */
.contact-section{background:#f8f9fa;padding:50px 0}
.contact-grid{display:grid;grid-template-columns:repeat(2,1fr);gap:30px}
.contact-info{background:#fff;padding:30px;border-radius:12px;box-shadow:0 2px 10px rgba(0,0,0,.06)}
.contact-info h4{font-size:20px;color:#1a1a2e;margin-bottom:15px;padding-bottom:10px;border-bottom:2px solid #2d8f4e}
.contact-info .info-item{display:flex;align-items:flex-start;gap:12px;margin-bottom:15px;color:#555;font-size:14px}
.contact-info .info-item strong{color:#1a1a2e;min-width:80px}
.qrcode-grid{display:flex;gap:30px;justify-content:center;padding:20px 0}
.qrcode-item{text-align:center}
.qrcode-item img{width:160px;height:160px;border-radius:8px;margin-bottom:8px}
.qrcode-item p{font-size:13px;color:#666}

/* 社交分享 */
.share-bar{display:flex;gap:12px;justify-content:center;padding:20px 0}
.share-btn{display:inline-flex;align-items:center;gap:6px;padding:8px 18px;border-radius:20px;color:#fff;font-size:14px;transition:opacity .3s}
.share-btn:hover{opacity:.85;color:#fff}
.share-btn.wechat{background:#07c160}
.share-btn.weibo{background:#e6162d}
.share-btn.douyin{background:#161823}
.share-btn.bilibili{background:#00a1d6}

/* 信任信号区块 */
.trust-section{background:#fff;padding:40px 0;border-top:1px solid #eee;border-bottom:1px solid #eee}
.trust-grid{display:grid;grid-template-columns:repeat(4,1fr);gap:20px}
.trust-item{display:flex;align-items:flex-start;gap:12px;padding:15px}
.trust-icon{font-size:32px;flex-shrink:0}
.trust-text strong{display:block;font-size:15px;color:#1a1a2e;margin-bottom:4px}
.trust-text p{font-size:13px;color:#666;line-height:1.5}

/* 页脚 */
.site-footer{background:#1a1a2e;color:#ccc;padding:40px 0 20px}
.footer-grid{display:grid;grid-template-columns:repeat(4,1fr);gap:30px;padding-bottom:30px;border-bottom:1px solid rgba(255,255,255,.1)}
.footer-col h5{color:#fff;font-size:16px;margin-bottom:15px;position:relative;padding-bottom:8px}
.footer-col h5::after{content:'';position:absolute;bottom:0;left:0;width:30px;height:2px;background:#2d8f4e}
.footer-col a{display:block;color:#aaa;font-size:14px;padding:4px 0;transition:color .3s}
.footer-col a:hover{color:#2d8f4e}
.footer-col p{font-size:13px;line-height:1.7;color:#aaa}
.footer-cert{margin-top:12px;font-size:12px;color:#777}
.footer-cert span{display:block;margin-bottom:3px}
.footer-bottom{text-align:center;padding-top:20px;font-size:13px;color:#888}
.footer-bottom a{color:#2d8f4e}
.footer-logo{display:flex;align-items:center;gap:8px;margin-bottom:15px}
.footer-logo img{height:35px}
.footer-logo span{color:#fff;font-size:18px;font-weight:700}

/* 面包屑 */
.breadcrumb{padding:12px 0;font-size:14px;color:#999}
.breadcrumb a{color:#2d8f4e}
.breadcrumb span{margin:0 8px;color:#ccc}

/* 内页 */
.page-hero{background:linear-gradient(135deg,#1a1a2e,#16213e);color:#fff;padding:60px 0;text-align:center}
.page-hero h1{font-size:36px;margin-bottom:10px}
.page-hero p{font-size:16px;opacity:.8}
.page-content{padding:40px 0 60px}
.page-content h2{font-size:26px;color:#1a1a2e;margin:30px 0 15px}
.page-content h3{font-size:20px;color:#333;margin:20px 0 10px}
.page-content p{color:#555;line-height:1.9;margin-bottom:15px}
.content-card{background:#fff;padding:30px;border-radius:12px;box-shadow:0 2px 10px rgba(0,0,0,.06);margin-bottom:25px}

/* EEAT作者信息框 */
.author-box{display:flex;align-items:center;gap:15px;padding:20px;background:#f8f9fa;border-radius:10px;margin:20px 0;border-left:4px solid #2d8f4e}
.author-box img{width:60px;height:60px;border-radius:50%;object-fit:cover}
.author-box .author-info h4{font-size:16px;color:#1a1a2e;margin-bottom:3px}
.author-box .author-info p{font-size:13px;color:#666;margin:0}
.author-box .author-info .author-cert{font-size:12px;color:#2d8f4e;margin-top:3px}

/* 最后更新时间标签 */
.last-updated{display:flex;align-items:center;gap:6px;color:#999;font-size:13px;padding:10px 0;border-top:1px solid #eee;margin-top:20px}

/* 移动端响应式 */
@media(max-width:768px){
.header-inner{flex-wrap:wrap}
.mobile-menu-btn{display:flex}
.main-nav{display:none;width:100%;flex-direction:column;background:#1a1a2e;padding:10px 0;position:absolute;top:100%;left:0;z-index:999;box-shadow:0 5px 15px rgba(0,0,0,.2)}
.main-nav.active{display:flex}
.main-nav a{padding:12px 20px;border-bottom:1px solid rgba(255,255,255,.05)}
.hero-banner{height:350px}
.hero-overlay h1{font-size:26px}
.hero-overlay p{font-size:15px}
.section-title h2{font-size:24px}
.ai-features{grid-template-columns:1fr}
.howto-steps{grid-template-columns:repeat(2,1fr)}
.contact-grid{grid-template-columns:1fr}
.footer-grid{grid-template-columns:repeat(2,1fr)}
.search-box{width:100%}
.video-grid{grid-template-columns:repeat(auto-fill,minmax(250px,1fr))}
.expert-grid{grid-template-columns:repeat(auto-fill,minmax(250px,1fr))}
.trust-grid{grid-template-columns:repeat(2,1fr)}
}
@media(max-width:480px){
.main-nav a{padding:10px 15px;font-size:14px}
.hero-banner{height:280px}
.hero-overlay h1{font-size:22px}
.howto-steps{grid-template-columns:1fr}
.footer-grid{grid-template-columns:1fr}
.qrcode-grid{flex-direction:column;align-items:center}
.trust-grid{grid-template-columns:1fr}
}

/* 懒加载 */
img[loading="lazy"]{opacity:0;transition:opacity .5s}
img[loading="lazy"].loaded,img[loading="lazy"][src]{opacity:1}