/* 成人视频 V4 - 翡翠金奢华影视风格 */
:root{--emerald:#0d9668;--emerald-dark:#076b4a;--gold:#c8a84e;--gold-light:#e8d48b;--dark:#0f1419;--dark2:#1a2332;--dark3:#243044;--gray:#8899a6;--light:#f5f8fa;--white:#fff;--radius:10px;--shadow:0 4px 24px rgba(0,0,0,.12)}
*{margin:0;padding:0;box-sizing:border-box}
html{scroll-behavior:smooth;font-size:16px}
body{font-family:-apple-system,BlinkMacSystemFont,"Segoe UI","PingFang SC","Hiragino Sans GB","Microsoft YaHei",sans-serif;color:var(--dark);background:var(--light);line-height:1.7}
a{color:var(--emerald);text-decoration:none;transition:color .2s}
a:hover{color:var(--gold)}
img{max-width:100%;height:auto;display:block}
.container{max-width:1200px;margin:0 auto;padding:0 20px}

/* 导航栏 */
.topbar{background:linear-gradient(135deg,var(--dark) 0%,var(--dark2) 100%);position:sticky;top:0;z-index:1000;border-bottom:2px solid var(--gold)}
.topbar .container{display:flex;align-items:center;justify-content:space-between;height:64px}
.brand{display:flex;align-items:center;gap:10px;font-size:1.2rem;font-weight:700;color:var(--gold)}
.brand img{width:36px;height:36px;border-radius:6px}
.nav-menu{display:flex;gap:4px;flex-wrap:wrap}
.nav-menu a{color:var(--light);padding:6px 14px;border-radius:20px;font-size:.88rem;transition:all .25s}
.nav-menu a:hover,.nav-menu a.active{background:var(--emerald);color:var(--white)}
.btn-app{background:linear-gradient(135deg,var(--gold),var(--gold-light));color:var(--dark);padding:8px 20px;border-radius:20px;font-weight:600;font-size:.88rem}
.btn-app:hover{opacity:.85;color:var(--dark)}
.mobile-toggle{display:none;background:none;border:none;color:var(--gold);font-size:1.5rem;cursor:pointer}

/* 搜索框 */
.search-bar{background:var(--dark2);padding:12px 0}
.search-wrap{display:flex;max-width:600px;margin:0 auto}
.search-wrap input{flex:1;padding:10px 18px;border:2px solid var(--dark3);border-right:none;border-radius:25px 0 0 25px;background:var(--dark3);color:var(--light);font-size:.95rem;outline:none;transition:border-color .2s}
.search-wrap input:focus{border-color:var(--emerald)}
.search-wrap button{padding:10px 24px;background:linear-gradient(135deg,var(--emerald),var(--emerald-dark));color:var(--white);border:none;border-radius:0 25px 25px 0;cursor:pointer;font-size:.95rem;transition:opacity .2s}
.search-wrap button:hover{opacity:.85}

/* 面包屑 */
.crumb{background:var(--white);padding:10px 0;font-size:.85rem;border-bottom:1px solid #e8ecf0}
.crumb a{color:var(--gray)}
.crumb .sep{margin:0 6px;color:#ccc}
.crumb .cur{color:var(--emerald)}

/* Hero区域 */
.hero{position:relative;overflow:hidden;background:var(--dark)}
.hero-img{width:100%;height:480px;object-fit:cover;opacity:.6}
.hero-overlay{position:absolute;inset:0;display:flex;flex-direction:column;justify-content:center;align-items:center;text-align:center;padding:20px;background:linear-gradient(180deg,rgba(15,20,25,.3) 0%,rgba(15,20,25,.7) 100%)}
.hero h1{font-size:2.6rem;color:var(--white);margin-bottom:12px;text-shadow:0 2px 12px rgba(0,0,0,.5)}
.hero h1 em{font-style:normal;color:var(--gold)}
.hero p{font-size:1.15rem;color:var(--gold-light);max-width:700px}

/* 通用区块 */
.section{padding:60px 0}
.section:nth-child(even){background:var(--white)}
.sec-head{text-align:center;margin-bottom:40px}
.sec-head h2{font-size:1.8rem;color:var(--dark);position:relative;display:inline-block;padding-bottom:12px}
.sec-head h2::after{content:'';position:absolute;bottom:0;left:50%;transform:translateX(-50%);width:60px;height:3px;background:linear-gradient(90deg,var(--emerald),var(--gold));border-radius:2px}
.sec-head p{color:var(--gray);margin-top:10px;font-size:.95rem}

/* 视频卡片网格 */
.vid-grid{display:grid;grid-template-columns:repeat(auto-fill,minmax(280px,1fr));gap:24px}
.vid-card{background:var(--white);border-radius:var(--radius);overflow:hidden;box-shadow:var(--shadow);transition:transform .3s,box-shadow .3s}
.vid-card:hover{transform:translateY(-6px);box-shadow:0 12px 40px rgba(0,0,0,.15)}
.vid-thumb{position:relative;overflow:hidden;aspect-ratio:16/9}
.vid-thumb img{width:100%;height:100%;object-fit:cover;transition:transform .4s}
.vid-card:hover .vid-thumb img{transform:scale(1.08)}
.play-btn{position:absolute;inset:0;display:flex;align-items:center;justify-content:center;background:rgba(0,0,0,.35);opacity:0;transition:opacity .3s}
.vid-card:hover .play-btn{opacity:1}
.play-btn span{width:56px;height:56px;background:rgba(200,168,78,.9);border-radius:50%;display:flex;align-items:center;justify-content:center;font-size:1.4rem;color:var(--white);box-shadow:0 4px 16px rgba(200,168,78,.4)}
.vid-tag{position:absolute;top:10px;left:10px;background:var(--emerald);color:var(--white);padding:3px 10px;border-radius:12px;font-size:.75rem}
.vid-dur{position:absolute;bottom:10px;right:10px;background:rgba(0,0,0,.7);color:var(--white);padding:2px 8px;border-radius:4px;font-size:.75rem}
.vid-info{padding:16px}
.vid-info h3{font-size:1rem;margin-bottom:6px;line-height:1.4;display:-webkit-box;-webkit-line-clamp:2;-webkit-box-orient:vertical;overflow:hidden}
.vid-meta{display:flex;justify-content:space-between;color:var(--gray);font-size:.8rem}

/* 横向滚动视频条 */
.vid-scroll{display:flex;gap:20px;overflow-x:auto;padding-bottom:10px;scrollbar-width:thin}
.vid-scroll::-webkit-scrollbar{height:4px}
.vid-scroll::-webkit-scrollbar-thumb{background:var(--emerald);border-radius:2px}
.vid-scroll .vid-card{min-width:300px;flex-shrink:0}

/* 专家卡片 */
.expert-grid{display:grid;grid-template-columns:repeat(auto-fill,minmax(320px,1fr));gap:24px}
.expert-card{background:var(--white);border-radius:var(--radius);padding:28px;text-align:center;box-shadow:var(--shadow);border-top:3px solid var(--gold);transition:transform .3s}
.expert-card:hover{transform:translateY(-4px)}
.expert-card img{width:100px;height:100px;border-radius:50%;object-fit:cover;margin:0 auto 16px;border:3px solid var(--gold-light)}
.expert-card h4{font-size:1.1rem;margin-bottom:4px}
.expert-card .role{color:var(--emerald);font-size:.85rem;margin-bottom:10px}
.expert-card p{color:var(--gray);font-size:.88rem;line-height:1.6}
.expert-btns{margin-top:14px;display:flex;gap:10px;justify-content:center}
.expert-btns a{padding:6px 16px;border-radius:18px;font-size:.82rem;border:1px solid var(--emerald);color:var(--emerald);transition:all .2s}
.expert-btns a:hover{background:var(--emerald);color:var(--white)}

/* 关于我们 */
.about-row{display:grid;grid-template-columns:1fr 1fr;gap:40px;align-items:center}
.about-text h3{font-size:1.4rem;margin-bottom:14px;color:var(--dark)}
.about-text p{color:#555;margin-bottom:12px;font-size:.95rem}
.about-stats{display:flex;gap:30px;margin-top:20px}
.stat-item{text-align:center}
.stat-item .num{font-size:2rem;font-weight:700;color:var(--emerald)}
.stat-item .label{font-size:.82rem;color:var(--gray)}

/* FAQ */
.faq-list{max-width:800px;margin:0 auto}
.faq-item{border:1px solid #e8ecf0;border-radius:var(--radius);margin-bottom:12px;overflow:hidden}
.faq-q{padding:16px 20px;cursor:pointer;display:flex;justify-content:space-between;align-items:center;font-weight:600;background:var(--white);transition:background .2s}
.faq-q:hover{background:#f0f4f8}
.faq-q .arrow{transition:transform .3s;color:var(--emerald)}
.faq-item.open .faq-q .arrow{transform:rotate(180deg)}
.faq-a{max-height:0;overflow:hidden;transition:max-height .4s ease;padding:0 20px}
.faq-item.open .faq-a{max-height:500px;padding:0 20px 16px}
.faq-a p{color:#555;font-size:.92rem;line-height:1.7}

/* 用户评价 */
.review-grid{display:grid;grid-template-columns:repeat(auto-fill,minmax(300px,1fr));gap:24px}
.review-card{background:var(--white);border-radius:var(--radius);padding:24px;box-shadow:var(--shadow);border-left:4px solid var(--gold)}
.review-card .stars{color:var(--gold);margin-bottom:8px;font-size:1.1rem}
.review-card blockquote{color:#555;font-size:.92rem;line-height:1.7;margin-bottom:12px;font-style:italic}
.review-card .reviewer{font-weight:600;font-size:.88rem;color:var(--dark)}

/* 合作品牌 */
.brand-wall{display:flex;flex-wrap:wrap;justify-content:center;gap:30px;align-items:center}
.brand-wall span{background:var(--white);padding:14px 28px;border-radius:var(--radius);box-shadow:0 2px 12px rgba(0,0,0,.06);font-size:1rem;font-weight:600;color:var(--dark3);border:1px solid #e8ecf0;transition:all .2s}
.brand-wall span:hover{border-color:var(--emerald);color:var(--emerald)}

/* 联系我们 */
.contact-grid{display:grid;grid-template-columns:repeat(auto-fill,minmax(250px,1fr));gap:24px}
.contact-card{background:var(--white);border-radius:var(--radius);padding:24px;text-align:center;box-shadow:var(--shadow)}
.contact-card .icon{font-size:2.2rem;margin-bottom:10px}
.contact-card h4{margin-bottom:8px;font-size:1rem}
.contact-card p{color:var(--gray);font-size:.88rem;line-height:1.6}

/* 二维码区 */
.qr-row{display:flex;justify-content:center;gap:40px;flex-wrap:wrap}
.qr-item{text-align:center}
.qr-item img{width:160px;height:160px;border-radius:var(--radius);margin-bottom:8px;border:2px solid var(--gold-light)}
.qr-item p{font-size:.85rem;color:var(--gray)}

/* 分享按钮 */
.share-row{display:flex;justify-content:center;gap:14px;flex-wrap:wrap}
.share-btn{display:inline-flex;align-items:center;gap:6px;padding:8px 20px;border-radius:20px;font-size:.88rem;color:var(--white);transition:opacity .2s}
.share-btn:hover{opacity:.8;color:var(--white)}
.share-wechat{background:#07c160}
.share-weibo{background:#e6162d}
.share-douyin{background:#161823}
.share-bili{background:#00a1d6}

/* 标签云 */
.tag-cloud{display:flex;flex-wrap:wrap;justify-content:center;gap:10px}
.tag-cloud a{padding:6px 16px;background:var(--white);border:1px solid #dde3e8;border-radius:18px;font-size:.85rem;color:var(--dark3);transition:all .2s}
.tag-cloud a:hover{background:var(--emerald);color:var(--white);border-color:var(--emerald)}

/* 页脚 */
.footer{background:linear-gradient(135deg,var(--dark) 0%,var(--dark2) 100%);color:var(--gray);padding:50px 0 0;border-top:3px solid var(--gold)}
.ft-grid{display:grid;grid-template-columns:2fr 1fr 1fr 1fr;gap:30px;padding-bottom:30px}
.ft-brand{display:flex;align-items:center;gap:10px;margin-bottom:14px}
.ft-brand img{width:36px;height:36px;border-radius:6px}
.ft-brand span{font-size:1.1rem;font-weight:700;color:var(--gold)}
.footer p{font-size:.88rem;line-height:1.7}
.footer h5{color:var(--gold-light);margin-bottom:14px;font-size:.95rem}
.footer a{display:block;color:var(--gray);font-size:.85rem;margin-bottom:8px;transition:color .2s}
.footer a:hover{color:var(--gold)}
.ft-bottom{border-top:1px solid var(--dark3);padding:16px 0;display:flex;justify-content:space-between;flex-wrap:wrap;font-size:.82rem}

/* 返回顶部 */
.go-top{position:fixed;bottom:30px;right:30px;width:44px;height:44px;background:linear-gradient(135deg,var(--emerald),var(--gold));color:var(--white);border:none;border-radius:50%;font-size:1.2rem;cursor:pointer;opacity:0;visibility:hidden;transition:all .3s;box-shadow:0 4px 16px rgba(13,150,104,.3);z-index:999}
.go-top.show{opacity:1;visibility:visible}

/* 内页通用 */
.page-banner{background:linear-gradient(135deg,var(--dark),var(--dark2));padding:50px 0;text-align:center}
.page-banner h1{color:var(--white);font-size:2rem;margin-bottom:8px}
.page-banner p{color:var(--gold-light);font-size:1rem}
.content-area{padding:40px 0}
.content-area article{max-width:900px;margin:0 auto}
.content-area h2{font-size:1.5rem;color:var(--dark);margin:28px 0 14px;padding-left:14px;border-left:4px solid var(--emerald)}
.content-area h3{font-size:1.2rem;color:var(--dark2);margin:20px 0 10px}
.content-area p{color:#444;margin-bottom:14px;font-size:.95rem;text-align:justify}
.content-area img{border-radius:var(--radius);margin:20px 0}

/* 下载页 */
.dl-cards{display:grid;grid-template-columns:repeat(auto-fill,minmax(280px,1fr));gap:24px;margin:30px 0}
.dl-card{background:var(--white);border-radius:var(--radius);padding:30px;text-align:center;box-shadow:var(--shadow);border-top:3px solid var(--emerald)}
.dl-card .dl-icon{font-size:3rem;margin-bottom:14px}
.dl-card h3{margin-bottom:10px;font-size:1.1rem}
.dl-card p{color:var(--gray);font-size:.88rem;margin-bottom:16px;line-height:1.6}
.btn-dl{display:inline-block;padding:10px 28px;background:linear-gradient(135deg,var(--emerald),var(--emerald-dark));color:var(--white);border-radius:25px;font-weight:600;transition:opacity .2s}
.btn-dl:hover{opacity:.85;color:var(--white)}

/* 响应式 */
@media(max-width:768px){
    .topbar .container{flex-wrap:wrap}
    .nav-menu{display:none;width:100%;padding:10px 0;flex-direction:column;gap:4px}
    .nav-menu.open{display:flex}
    .mobile-toggle{display:block}
    .btn-app{display:none}
    .hero-img{height:300px}
    .hero h1{font-size:1.6rem}
    .hero p{font-size:.95rem}
    .about-row{grid-template-columns:1fr}
    .ft-grid{grid-template-columns:1fr 1fr}
    .vid-grid{grid-template-columns:1fr}
    .expert-grid{grid-template-columns:1fr}
    .sec-head h2{font-size:1.4rem}
}
@media(max-width:480px){
    .ft-grid{grid-template-columns:1fr}
    .contact-grid{grid-template-columns:1fr}
    .review-grid{grid-template-columns:1fr}
}