/* ===== 人兽视频社区 全局样式 ===== */
*,*::before,*::after{box-sizing:border-box;margin:0;padding:0}
:root{--primary:#1a6b3c;--primary-dark:#0e4d2a;--primary-light:#2d9d5a;--accent:#e8a838;--accent-dark:#c78a20;--text:#333;--text-light:#666;--text-lighter:#999;--bg:#f8faf9;--bg-white:#fff;--bg-section:#f0f5f2;--border:#e0e8e3;--shadow:0 2px 12px rgba(0,0,0,.08);--shadow-hover:0 6px 24px rgba(0,0,0,.12);--radius:8px;--radius-lg:16px;--transition:all .3s ease}
html{font-size:16px;scroll-behavior:smooth}
body{font-family:-apple-system,BlinkMacSystemFont,'Segoe UI','PingFang SC','Hiragino Sans GB','Microsoft YaHei',sans-serif;color:var(--text);background:var(--bg);line-height:1.7;overflow-x:hidden}
a{color:var(--primary);text-decoration:none;transition:var(--transition)}
a:hover{color:var(--primary-dark)}
img{max-width:100%;height:auto;display:block}
.container{max-width:1200px;margin:0 auto;padding:0 20px}

/* ===== Header ===== */
.site-header{background:var(--bg-white);box-shadow:var(--shadow);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}
.logo-area a{display:flex;align-items:center;gap:10px;text-decoration:none}
.logo-area img{width:44px;height:44px;border-radius:50%;object-fit:cover}
.brand-name{font-size:1.4rem;font-weight:700;color:var(--primary-dark)}
.brand-slogan{font-size:.75rem;color:var(--text-light);display:none}
@media(min-width:768px){.brand-slogan{display:inline}}
.main-nav ul{display:flex;list-style:none;gap:4px;flex-wrap:wrap}
.main-nav a{display:block;padding:8px 12px;font-size:.9rem;color:var(--text);border-radius:var(--radius);transition:var(--transition)}
.main-nav a:hover{background:var(--bg-section);color:var(--primary)}
.mobile-menu-btn{display:none;flex-direction:column;gap:5px;cursor:pointer;padding:8px}
.mobile-menu-btn span{width:24px;height:2px;background:var(--text);transition:var(--transition)}
.search-bar{background:var(--bg-section);padding:10px 20px}
.search-form{display:flex;max-width:600px;margin:0 auto}
.search-input{flex:1;padding:10px 16px;border:2px solid var(--border);border-right:none;border-radius:var(--radius) 0 0 var(--radius);font-size:.95rem;outline:none;transition:var(--transition)}
.search-input:focus{border-color:var(--primary)}
.search-btn{padding:10px 24px;background:var(--primary);color:#fff;border:none;border-radius:0 var(--radius) var(--radius) 0;cursor:pointer;font-size:.95rem;transition:var(--transition)}
.search-btn:hover{background:var(--primary-dark)}

/* ===== Buttons ===== */
.btn{display:inline-block;padding:12px 28px;border-radius:var(--radius);font-size:1rem;font-weight:600;cursor:pointer;transition:var(--transition);text-align:center;border:2px solid transparent}
.btn-primary{background:var(--primary);color:#fff;border-color:var(--primary)}
.btn-primary:hover{background:var(--primary-dark);color:#fff}
.btn-secondary{background:var(--accent);color:#fff;border-color:var(--accent)}
.btn-secondary:hover{background:var(--accent-dark);color:#fff}
.btn-outline{background:transparent;color:var(--primary);border-color:var(--primary)}
.btn-outline:hover{background:var(--primary);color:#fff}
.btn-sm{padding:8px 18px;font-size:.85rem}

/* ===== Hero Banner ===== */
.hero-banner{position:relative;overflow:hidden}
.banner-bg{min-height:520px;background-size:cover;background-position:center;background-repeat:no-repeat;display:flex;align-items:center}
.banner-overlay{background:linear-gradient(135deg,rgba(10,60,30,.82),rgba(10,60,30,.55));width:100%;padding:80px 20px}
.banner-content{max-width:800px;margin:0 auto;text-align:center;color:#fff}
.banner-content h1{font-size:2.2rem;margin-bottom:12px;line-height:1.3}
.banner-content h2{font-size:1.2rem;font-weight:400;margin-bottom:20px;opacity:.9}
.banner-desc{font-size:1rem;line-height:1.8;margin-bottom:28px;opacity:.85}
.banner-btns{display:flex;gap:16px;justify-content:center;flex-wrap:wrap}

/* ===== Sections ===== */
.section{padding:60px 0}
.section:nth-child(even){background:var(--bg-section)}
.section-title{font-size:1.6rem;color:var(--primary-dark);text-align:center;margin-bottom:12px;position:relative;padding-bottom:16px}
.section-title::after{content:'';position:absolute;bottom:0;left:50%;transform:translateX(-50%);width:60px;height:3px;background:var(--accent);border-radius:2px}
.section-desc{text-align:center;color:var(--text-light);max-width:800px;margin:0 auto 36px;font-size:.95rem;line-height:1.8}

/* ===== Video Cards ===== */
.media-grid{display:grid;grid-template-columns:repeat(auto-fill,minmax(280px,1fr));gap:24px}
.video-card{background:var(--bg-white);border-radius:var(--radius-lg);overflow:hidden;box-shadow:var(--shadow);transition:var(--transition)}
.video-card:hover{box-shadow:var(--shadow-hover);transform:translateY(-4px)}
.video-thumb{position:relative;cursor:pointer;overflow:hidden;aspect-ratio:16/9}
.video-thumb img{width:100%;height:100%;object-fit:cover;transition:var(--transition)}
.video-thumb:hover img{transform:scale(1.05)}
.play-btn{position:absolute;top:50%;left:50%;transform:translate(-50%,-50%);width:56px;height:56px;background:rgba(255,255,255,.9);border-radius:50%;opacity:0;transition:var(--transition);display:flex;align-items:center;justify-content:center}
.play-btn::after{content:'';width:0;height:0;border-style:solid;border-width:10px 0 10px 18px;border-color:transparent transparent transparent var(--primary);margin-left:4px}
.video-thumb:hover .play-btn{opacity: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:.8rem}
.video-info{padding:16px}
.video-info h3{font-size:1rem;margin-bottom:8px;line-height:1.4;display:-webkit-box;-webkit-line-clamp:2;-webkit-box-orient:vertical;overflow:hidden}
.video-meta{display:flex;gap:12px;font-size:.8rem;color:var(--text-lighter);margin-bottom:8px;flex-wrap:wrap}
.video-tags{display:flex;gap:6px;flex-wrap:wrap}
.tag{display:inline-block;padding:3px 10px;background:var(--bg-section);color:var(--primary);border-radius:20px;font-size:.75rem}

/* ===== Entertainment ===== */
.entertainment-grid{display:grid;grid-template-columns:repeat(auto-fill,minmax(280px,1fr));gap:24px}
.ent-card{background:var(--bg-white);border-radius:var(--radius-lg);padding:24px;box-shadow:var(--shadow);transition:var(--transition)}
.ent-card:hover{box-shadow:var(--shadow-hover)}
.ent-card h3{color:var(--primary-dark);margin-bottom:12px;font-size:1.1rem}
.ent-card p{color:var(--text-light);font-size:.9rem;line-height:1.7;margin-bottom:16px}
.tiktok-grid{display:flex;gap:12px;overflow-x:auto;padding-bottom:8px}
.tiktok-item{position:relative;min-width:120px;max-width:150px;border-radius:var(--radius);overflow:hidden;aspect-ratio:9/16}
.tiktok-item img{width:100%;height:100%;object-fit:cover}
.tiktok-stats{position:absolute;bottom:6px;left:6px;color:#fff;font-size:.7rem;background:rgba(0,0,0,.6);padding:2px 6px;border-radius:4px}
.explore-list{display:flex;flex-direction:column;gap:16px}
.explore-item{position:relative;border-radius:var(--radius);overflow:hidden}
.explore-item img{width:100%;height:auto;border-radius:var(--radius)}
.explore-item h4{margin-top:8px;font-size:.95rem;color:var(--text)}
.explore-stats{font-size:.8rem;color:var(--text-lighter)}

/* ===== AI Section ===== */
.ai-grid{display:grid;grid-template-columns:1fr 1fr;gap:32px;align-items:start}
.ai-card{background:var(--bg-white);border-radius:var(--radius-lg);overflow:hidden;box-shadow:var(--shadow)}
.ai-card img{width:100%;height:auto}
.ai-card h2,.ai-card h3{padding:0 20px;margin-top:16px;color:var(--primary-dark);font-size:1.15rem}
.ai-card p{padding:0 20px 20px;color:var(--text-light);font-size:.9rem;line-height:1.7}
.ai-features{display:flex;flex-direction:column;gap:20px}
.ai-feature{background:var(--bg-white);border-radius:var(--radius-lg);padding:24px;box-shadow:var(--shadow);transition:var(--transition);border-left:4px solid var(--primary)}
.ai-feature:hover{box-shadow:var(--shadow-hover)}
.ai-feature h3,.ai-feature h4{color:var(--primary-dark);margin-bottom:8px;font-size:1rem}
.ai-feature p{color:var(--text-light);font-size:.9rem;line-height:1.7}

/* ===== Community ===== */
.community-grid{display:grid;grid-template-columns:repeat(auto-fill,minmax(280px,1fr));gap:24px}
.comm-card{background:var(--bg-white);border-radius:var(--radius-lg);padding:24px;box-shadow:var(--shadow);transition:var(--transition)}
.comm-card:hover{box-shadow:var(--shadow-hover);transform:translateY(-2px)}
.comm-card img{width:100%;border-radius:var(--radius);margin-bottom:12px}
.comm-card h3{color:var(--primary-dark);margin-bottom:8px;font-size:1.05rem}
.comm-card p{color:var(--text-light);font-size:.9rem;line-height:1.7;margin-bottom:12px}
.comm-stats{font-size:.8rem;color:var(--text-lighter)}

/* ===== Expert ===== */
.expert-grid{display:grid;grid-template-columns:repeat(auto-fill,minmax(260px,1fr));gap:24px}
.expert-card{background:var(--bg-white);border-radius:var(--radius-lg);padding:24px;text-align:center;box-shadow:var(--shadow);transition:var(--transition)}
.expert-card:hover{box-shadow:var(--shadow-hover);transform:translateY(-2px)}
.expert-card img{width:120px;height:120px;border-radius:50%;object-fit:cover;margin:0 auto 16px;border:3px solid var(--primary-light)}
.expert-detail .expert-card{text-align:left}
.expert-detail .expert-card img{margin:0 0 16px}
.expert-card h3{color:var(--primary-dark);margin-bottom:8px;font-size:1.05rem}
.expert-title{color:var(--accent-dark);font-size:.85rem;margin-bottom:8px;font-weight:600}
.expert-card p{color:var(--text-light);font-size:.88rem;line-height:1.7;margin-bottom:8px}
.expert-awards{color:var(--primary);font-size:.82rem;font-style:italic}
.expert-btns{display:flex;gap:10px;justify-content:center;margin-top:12px;flex-wrap:wrap}
.expert-detail .expert-btns{justify-content:flex-start}

/* ===== Partners ===== */
.partner-logos{display:flex;flex-wrap:wrap;gap:16px;justify-content:center;margin-bottom:40px}
.partner-item{background:var(--bg-white);border:1px solid var(--border);border-radius:var(--radius);padding:16px 28px;transition:var(--transition)}
.partner-item:hover{box-shadow:var(--shadow);border-color:var(--primary-light)}
.partner-name{font-size:.9rem;color:var(--text-light);font-weight:600}
.how-to-join{background:var(--bg-white);border-radius:var(--radius-lg);padding:40px;box-shadow:var(--shadow)}
.how-to-join h3{text-align:center;color:var(--primary-dark);margin-bottom:28px;font-size:1.3rem}
.steps{display:grid;grid-template-columns:repeat(auto-fill,minmax(220px,1fr));gap:24px}
.step{text-align:center;padding:20px}
.step-num{display:inline-flex;align-items:center;justify-content:center;width:48px;height:48px;background:var(--primary);color:#fff;border-radius:50%;font-size:1.3rem;font-weight:700;margin-bottom:12px}
.step h4{color:var(--primary-dark);margin-bottom:8px}
.step p{color:var(--text-light);font-size:.88rem;line-height:1.6}

/* ===== FAQ ===== */
.faq-list{max-width:800px;margin:0 auto}
.faq-item{background:var(--bg-white);border-radius:var(--radius);margin-bottom:12px;box-shadow:var(--shadow);overflow:hidden;transition:var(--transition)}
.faq-item:hover{box-shadow:var(--shadow-hover)}
.faq-item h3{padding:18px 24px;cursor:pointer;font-size:1rem;color:var(--primary-dark);position:relative;padding-right:40px}
.faq-item h3::after{content:'+';position:absolute;right:20px;top:50%;transform:translateY(-50%);font-size:1.4rem;color:var(--primary);transition:var(--transition)}
.faq-item.active h3::after{content:'-'}
.faq-item div[itemscope]{padding:0 24px;max-height:0;overflow:hidden;transition:max-height .3s ease}
.faq-item.active div[itemscope]{max-height:300px;padding-bottom:18px}
.faq-item p{color:var(--text-light);font-size:.92rem;line-height:1.7}

/* ===== Reviews ===== */
.reviews-grid{display:grid;grid-template-columns:repeat(auto-fill,minmax(300px,1fr));gap:24px}
.review-card{background:var(--bg-white);border-radius:var(--radius-lg);padding:24px;box-shadow:var(--shadow);transition:var(--transition)}
.review-card:hover{box-shadow:var(--shadow-hover)}
.review-header{display:flex;justify-content:space-between;align-items:center;margin-bottom:12px}
.reviewer-name{font-weight:600;color:var(--text)}
.review-rating{color:var(--accent);font-size:1.1rem}
.review-text{color:var(--text-light);font-size:.92rem;line-height:1.7;font-style:italic;margin-bottom:8px}
.review-date{font-size:.8rem;color:var(--text-lighter)}

/* ===== Contact ===== */
.contact-grid{display:grid;grid-template-columns:repeat(auto-fill,minmax(300px,1fr));gap:32px;margin-bottom:32px}
.contact-item{background:var(--bg-white);border-radius:var(--radius-lg);padding:28px;box-shadow:var(--shadow)}
.contact-item h2,.contact-item h3{color:var(--primary-dark);margin-bottom:16px;font-size:1.15rem}
.contact-item p{color:var(--text-light);font-size:.92rem;line-height:2}
.qrcode-section{display:flex;gap:32px;justify-content:center;flex-wrap:wrap;margin:32px 0}
.qr-item{text-align:center}
.qr-item img{width:160px;height:160px;border-radius:var(--radius);margin-bottom:8px;border:2px solid var(--border)}
.qr-item p,.qr-item span{font-size:.85rem;color:var(--text-light)}

/* ===== News ===== */
.news-list{display:flex;flex-direction:column;gap:24px}
.news-item{display:flex;gap:20px;background:var(--bg-white);border-radius:var(--radius-lg);overflow:hidden;box-shadow:var(--shadow);transition:var(--transition)}
.news-item:hover{box-shadow:var(--shadow-hover)}
.news-img{flex-shrink:0;width:260px}
.news-img img{width:100%;height:100%;object-fit:cover}
.news-content{padding:20px;flex:1}
.news-content h3{color:var(--primary-dark);margin-bottom:10px;font-size:1.05rem;line-height:1.4}
.news-content p{color:var(--text-light);font-size:.9rem;line-height:1.7;margin-bottom:12px;display:-webkit-box;-webkit-line-clamp:3;-webkit-box-orient:vertical;overflow:hidden}
.news-meta{display:flex;gap:16px;font-size:.82rem;color:var(--text-lighter)}
.news-cat{color:var(--primary);font-weight:600}

/* ===== Category Grid ===== */
.cat-grid{display:grid;grid-template-columns:repeat(auto-fill,minmax(200px,1fr));gap:16px;margin-top:24px}
.cat-card{background:var(--bg-white);border-radius:var(--radius);padding:20px;box-shadow:var(--shadow);transition:var(--transition);border-top:3px solid var(--primary)}
.cat-card:hover{box-shadow:var(--shadow-hover);transform:translateY(-2px)}
.cat-card h3{color:var(--primary-dark);font-size:.95rem;margin-bottom:8px}
.cat-card p{color:var(--text-light);font-size:.82rem;line-height:1.6;margin-bottom:12px}

/* ===== Breadcrumb ===== */
.breadcrumb{padding:16px 20px;max-width:1200px;margin:0 auto;font-size:.85rem;color:var(--text-lighter)}
.breadcrumb a{color:var(--primary)}

/* ===== Page Inner ===== */
.page-inner .section{padding:40px 0}
.page-inner h1{font-size:1.6rem;color:var(--primary-dark);margin-bottom:16px;line-height:1.4}
.page-inner h2{font-size:1.3rem;color:var(--primary-dark);margin:32px 0 16px;padding-bottom:10px;border-bottom:2px solid var(--border)}
.page-desc{color:var(--text-light);font-size:.95rem;line-height:1.8;margin-bottom:32px}
.about-banner{margin-bottom:32px;border-radius:var(--radius-lg);overflow:hidden}
.about-banner img{width:100%;height:auto}

/* ===== Timeline ===== */
.timeline{position:relative;padding-left:30px;margin:24px 0}
.timeline::before{content:'';position:absolute;left:8px;top:0;bottom:0;width:3px;background:var(--primary-light);border-radius:2px}
.timeline-item{position:relative;margin-bottom:24px;padding-left:20px}
.timeline-item::before{content:'';position:absolute;left:-26px;top:6px;width:12px;height:12px;background:var(--primary);border-radius:50%;border:3px solid var(--bg-white);box-shadow:0 0 0 2px var(--primary)}
.timeline-item h4{color:var(--primary-dark);margin-bottom:6px;font-size:1rem}
.timeline-item p{color:var(--text-light);font-size:.9rem;line-height:1.7}

/* ===== Footer ===== */
.site-footer{background:#1a2e22;color:#c8d8ce;padding-top:48px}
.footer-inner{max-width:1200px;margin:0 auto;padding:0 20px}
.footer-top{display:grid;grid-template-columns:2fr 1fr 1fr 1.5fr;gap:32px;margin-bottom:32px}
.footer-brand img{width:50px;height:50px;border-radius:50%;margin-bottom:12px}
.footer-brand h3{color:#fff;margin-bottom:8px;font-size:1.1rem}
.footer-brand p{font-size:.85rem;line-height:1.7;opacity:.8}
.footer-links h4{color:#fff;margin-bottom:16px;font-size:1rem}
.footer-links ul{list-style:none}
.footer-links li{margin-bottom:8px}
.footer-links a{color:#a8c8b2;font-size:.88rem;transition:var(--transition)}
.footer-links a:hover{color:#fff}
.footer-contact h4{color:#fff;margin-bottom:16px;font-size:1rem}
.footer-contact p{font-size:.85rem;margin-bottom:6px;opacity:.8}
.footer-qrcodes{display:flex;gap:16px;margin-top:12px}
.footer-qrcodes .qr-item img{width:80px;height:80px;border-radius:6px}
.footer-qrcodes .qr-item span{display:block;font-size:.7rem;text-align:center;margin-top:4px;opacity:.7}
.footer-share{text-align:center;padding:20px 0;border-top:1px solid rgba(255,255,255,.1);border-bottom:1px solid rgba(255,255,255,.1);margin-bottom:20px}
.footer-share h4{color:#fff;margin-bottom:12px;font-size:.95rem}
.share-btns{display:flex;gap:12px;justify-content:center;flex-wrap:wrap}
.share-btn{display:inline-block;padding:8px 20px;border-radius:20px;font-size:.85rem;color:#fff;transition:var(--transition)}
.share-wechat{background:#07c160}
.share-weibo{background:#e6162d}
.share-douyin{background:#161823}
.share-bilibili{background:#00a1d6}
.share-btn:hover{opacity:.85;color:#fff;transform:translateY(-2px)}
.footer-bottom{text-align:center;padding:20px 0;font-size:.8rem;opacity:.6}
.footer-bottom p{margin-bottom:4px}
.update-time{text-align:center;padding:12px;font-size:.82rem;color:var(--text-lighter)}

/* ===== Noise tags (hidden) ===== */
.n3nzcG0{position:absolute!important;left:-9999px!important;top:-9999px!important;width:0!important;height:0!important;overflow:hidden!important;visibility:hidden!important;pointer-events:none!important}

/* ===== Mobile Responsive ===== */
@media(max-width:992px){
    .footer-top{grid-template-columns:1fr 1fr;gap:24px}
    .ai-grid{grid-template-columns:1fr}
    .news-img{width:200px}
}
@media(max-width:768px){
    .main-nav{display:none;position:absolute;top:100%;left:0;right:0;background:var(--bg-white);box-shadow:var(--shadow);z-index:999}
    .main-nav.active{display:block}
    .main-nav ul{flex-direction:column;padding:12px}
    .mobile-menu-btn{display:flex}
    .banner-bg{min-height:400px}
    .banner-content h1{font-size:1.6rem}
    .banner-content h2{font-size:1rem}
    .section{padding:40px 0}
    .section-title{font-size:1.3rem}
    .footer-top{grid-template-columns:1fr}
    .news-item{flex-direction:column}
    .news-img{width:100%;height:180px}
    .expert-grid{grid-template-columns:1fr 1fr}
    .media-grid{grid-template-columns:1fr}
}
@media(max-width:480px){
    .expert-grid{grid-template-columns:1fr}
    .banner-bg{min-height:320px}
    .banner-content h1{font-size:1.3rem}
    .steps{grid-template-columns:1fr}
    .reviews-grid{grid-template-columns:1fr}
}