/* ===== 萝莉塔 视频传媒 - 全站样式 ===== */
/* 品牌：萝莉塔 | 域名：irpovip.cn */

/* Reset & Base */
*,*::before,*::after{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:#e0e0e0;background:#0a0a0a;line-height:1.8;overflow-x:hidden}
a{color:#00b4d8;text-decoration:none;transition:color .3s}
a:hover{color:#48cae4}
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:#fff}

/* Container */
.container{max-width:1200px;margin:0 auto;padding:0 20px}
.section{padding:60px 0}
.section-title{text-align:center;margin-bottom:40px}
.section-title h2{font-size:2rem;margin-bottom:10px;position:relative;display:inline-block}
.section-title h2::after{content:'';display:block;width:60px;height:3px;background:linear-gradient(90deg,#00b4d8,#0077b6);margin:10px auto 0}
.section-title p{color:#999;font-size:1rem}

/* Header / Navigation */
.site-header{position:fixed;top:0;left:0;width:100%;z-index:1000;background:rgba(10,10,10,.95);backdrop-filter:blur(10px);border-bottom:1px solid rgba(255,255,255,.05);transition:all .3s}
.site-header .container{display:flex;align-items:center;justify-content:space-between;height:70px}
.logo{display:flex;align-items:center;gap:10px}
.logo img{height:45px;width:auto}
.logo span{font-size:1.4rem;font-weight:800;color:#fff;letter-spacing:1px}
.main-nav{display:flex;align-items:center;gap:0}
.main-nav a{padding:8px 16px;font-size:.95rem;color:#ccc;transition:all .3s;border-radius:4px}
.main-nav a:hover,.main-nav a.active{color:#00b4d8;background:rgba(0,180,216,.08)}
.mobile-toggle{display:none;flex-direction:column;gap:5px;cursor:pointer;padding:5px}
.mobile-toggle span{display:block;width:24px;height:2px;background:#fff;transition:all .3s}

/* Search Bar */
.search-bar{background:rgba(20,20,20,.9);padding:12px 0;border-bottom:1px solid rgba(255,255,255,.05)}
.search-bar .container{display:flex;justify-content:center}
.search-box{display:flex;max-width:600px;width:100%}
.search-box input{flex:1;padding:10px 20px;background:rgba(255,255,255,.08);border:1px solid rgba(255,255,255,.1);border-radius:25px 0 0 25px;color:#fff;font-size:.95rem;outline:none;transition:border-color .3s}
.search-box input:focus{border-color:#00b4d8}
.search-box button{padding:10px 25px;background:linear-gradient(135deg,#00b4d8,#0077b6);border:none;color:#fff;border-radius:0 25px 25px 0;cursor:pointer;font-size:.95rem;transition:opacity .3s}
.search-box button:hover{opacity:.85}

/* Banner / Hero */
.hero-banner{position:relative;height:75vh;min-height:500px;overflow:hidden;margin-top:70px;display:flex;align-items:center;justify-content:center}
.hero-banner .bg-img{position:absolute;inset:0;background-size:cover;background-position:center;filter:brightness(.5)}
.hero-banner .overlay{position:absolute;inset:0;background:linear-gradient(180deg,rgba(10,10,10,.3) 0%,rgba(10,10,10,.85) 100%)}
.hero-content{position:relative;z-index:2;text-align:center;max-width:800px;padding:0 20px}
.hero-content h1{font-size:2.8rem;margin-bottom:15px;text-shadow:0 2px 20px rgba(0,0,0,.5)}
.hero-content h1 .brand{color:#00b4d8}
.hero-content p{font-size:1.15rem;color:#bbb;margin-bottom:25px;line-height:1.8}
.hero-content .tags{display:flex;flex-wrap:wrap;justify-content:center;gap:10px;margin-bottom:25px}
.hero-content .tags span{padding:5px 15px;background:rgba(0,180,216,.15);border:1px solid rgba(0,180,216,.3);border-radius:20px;font-size:.85rem;color:#48cae4}
.btn-primary{display:inline-block;padding:12px 35px;background:linear-gradient(135deg,#00b4d8,#0077b6);color:#fff;border-radius:30px;font-size:1rem;font-weight:600;transition:all .3s;border:none;cursor:pointer}
.btn-primary:hover{transform:translateY(-2px);box-shadow:0 8px 25px rgba(0,180,216,.3);color:#fff}
.btn-outline{display:inline-block;padding:12px 35px;border:2px solid #00b4d8;color:#00b4d8;border-radius:30px;font-size:1rem;font-weight:600;transition:all .3s;background:transparent;cursor:pointer}
.btn-outline:hover{background:#00b4d8;color:#fff}

/* Video Card Grid */
.video-grid{display:grid;grid-template-columns:repeat(4,1fr);gap:20px}
.video-card{position:relative;border-radius:12px;overflow:hidden;background:#151515;transition:transform .3s,box-shadow .3s;cursor:pointer}
.video-card:hover{transform:translateY(-5px);box-shadow:0 10px 30px rgba(0,180,216,.15)}
.video-card .thumb{position:relative;padding-top:56.25%;overflow:hidden}
.video-card .thumb img{position:absolute;inset:0;width:100%;height:100%;object-fit:cover;transition:transform .5s}
.video-card:hover .thumb img{transform:scale(1.08)}
.video-card .play-btn{position:absolute;top:50%;left:50%;transform:translate(-50%,-50%) scale(0);width:60px;height:60px;background:rgba(0,180,216,.85);border-radius:50%;display:flex;align-items:center;justify-content:center;transition:all .3s;opacity:0}
.video-card:hover .play-btn{transform:translate(-50%,-50%) scale(1);opacity:1}
.play-btn::after{content:'';display:block;width:0;height:0;border-style:solid;border-width:10px 0 10px 18px;border-color:transparent transparent transparent #fff;margin-left:4px}
.video-card .duration{position:absolute;bottom:8px;right:8px;background:rgba(0,0,0,.8);padding:2px 8px;border-radius:4px;font-size:.75rem;color:#fff}
.video-card .info{padding:12px 15px}
.video-card .info h4{font-size:.95rem;margin-bottom:6px;display:-webkit-box;-webkit-line-clamp:2;-webkit-box-orient:vertical;overflow:hidden;line-height:1.4}
.video-card .info .meta{display:flex;align-items:center;gap:12px;font-size:.8rem;color:#888}
.video-card .info .meta .views::before{content:'▶ '}
.video-card .info .meta .likes::before{content:'♥ '}
.video-card .info .tag{display:inline-block;margin-top:6px;padding:2px 10px;background:rgba(0,180,216,.1);border-radius:10px;font-size:.75rem;color:#48cae4}

/* Module Cards */
.module-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:25px}
.module-card{background:linear-gradient(145deg,#151515,#1a1a1a);border-radius:14px;padding:30px;border:1px solid rgba(255,255,255,.05);transition:all .3s}
.module-card:hover{border-color:rgba(0,180,216,.3);box-shadow:0 5px 25px rgba(0,180,216,.1)}
.module-card .icon{width:55px;height:55px;background:linear-gradient(135deg,#00b4d8,#0077b6);border-radius:12px;display:flex;align-items:center;justify-content:center;font-size:1.5rem;margin-bottom:18px}
.module-card h3{font-size:1.2rem;margin-bottom:10px}
.module-card p{color:#999;font-size:.9rem;line-height:1.7}

/* Expert / Team Section */
.expert-grid{display:grid;grid-template-columns:repeat(4,1fr);gap:25px}
.expert-card{background:#151515;border-radius:14px;overflow:hidden;border:1px solid rgba(255,255,255,.05);transition:all .3s;text-align:center}
.expert-card:hover{border-color:rgba(0,180,216,.3);transform:translateY(-3px)}
.expert-card .avatar{width:100%;height:200px;overflow:hidden}
.expert-card .avatar img{width:100%;height:100%;object-fit:cover;transition:transform .5s}
.expert-card:hover .avatar img{transform:scale(1.05)}
.expert-card .detail{padding:20px}
.expert-card .detail h4{font-size:1.1rem;margin-bottom:5px}
.expert-card .detail .role{color:#00b4d8;font-size:.85rem;margin-bottom:10px}
.expert-card .detail p{color:#999;font-size:.85rem;line-height:1.6;margin-bottom:12px}
.expert-card .actions{display:flex;gap:10px;justify-content:center;padding:0 20px 20px}
.expert-card .actions a{flex:1;padding:8px 0;border-radius:6px;font-size:.8rem;text-align:center}
.expert-card .actions .btn-sm-primary{background:linear-gradient(135deg,#00b4d8,#0077b6);color:#fff}
.expert-card .actions .btn-sm-outline{border:1px solid #00b4d8;color:#00b4d8}

/* FAQ Section */
.faq-list{max-width:800px;margin:0 auto}
.faq-item{background:#151515;border-radius:10px;margin-bottom:12px;border:1px solid rgba(255,255,255,.05);overflow:hidden}
.faq-item .faq-q{padding:18px 25px;cursor:pointer;display:flex;justify-content:space-between;align-items:center;font-weight:600;font-size:1rem;transition:background .3s}
.faq-item .faq-q:hover{background:rgba(0,180,216,.05)}
.faq-item .faq-q .arrow{transition:transform .3s;color:#00b4d8;font-size:1.2rem}
.faq-item.active .faq-q .arrow{transform:rotate(180deg)}
.faq-item .faq-a{padding:0 25px;max-height:0;overflow:hidden;transition:all .3s;color:#999;font-size:.95rem;line-height:1.8}
.faq-item.active .faq-a{padding:0 25px 18px;max-height:500px}

/* Reviews */
.review-grid{display:grid;grid-template-columns:repeat(2,1fr);gap:20px}
.review-card{background:#151515;border-radius:12px;padding:25px;border:1px solid rgba(255,255,255,.05)}
.review-card .stars{color:#f5a623;margin-bottom:10px;font-size:1.1rem;letter-spacing:2px}
.review-card .text{color:#ccc;font-size:.95rem;line-height:1.7;margin-bottom:12px;font-style:italic}
.review-card .author{display:flex;align-items:center;gap:10px}
.review-card .author .name{font-weight:600;color:#fff;font-size:.9rem}
.review-card .author .date{color:#666;font-size:.8rem}

/* Brand Wall */
.brand-wall{display:flex;flex-wrap:wrap;justify-content:center;gap:30px;align-items:center}
.brand-wall .brand-item{width:120px;height:60px;background:rgba(255,255,255,.05);border-radius:10px;display:flex;align-items:center;justify-content:center;padding:10px;transition:all .3s;border:1px solid rgba(255,255,255,.05)}
.brand-wall .brand-item:hover{background:rgba(0,180,216,.1);border-color:rgba(0,180,216,.2)}
.brand-wall .brand-item span{font-size:.85rem;color:#999;font-weight:600}

/* Contact Section */
.contact-grid{display:grid;grid-template-columns:repeat(2,1fr);gap:30px}
.contact-info{background:#151515;border-radius:14px;padding:30px;border:1px solid rgba(255,255,255,.05)}
.contact-info h3{font-size:1.3rem;margin-bottom:20px;color:#00b4d8}
.contact-info .info-item{display:flex;align-items:flex-start;gap:12px;margin-bottom:15px;color:#ccc;font-size:.95rem}
.contact-info .info-item .label{color:#999;min-width:80px}
.qrcode-wrap{display:flex;gap:25px;justify-content:center;flex-wrap:wrap}
.qrcode-wrap .qr-item{text-align:center}
.qrcode-wrap .qr-item img{width:160px;height:160px;border-radius:10px;margin-bottom:8px}
.qrcode-wrap .qr-item p{color:#999;font-size:.85rem}

/* Share Buttons */
.share-bar{display:flex;gap:12px;justify-content:center;flex-wrap:wrap;margin-top:20px}
.share-bar a{display:inline-flex;align-items:center;gap:6px;padding:8px 18px;border-radius:20px;font-size:.85rem;color:#fff;transition:all .3s}
.share-bar .wx{background:#07c160}
.share-bar .wb{background:#e6162d}
.share-bar .dy{background:#161823}
.share-bar .bl{background:#00a1d6}
.share-bar a:hover{opacity:.85;transform:translateY(-2px);color:#fff}

/* Footer */
.site-footer{background:#0d0d0d;border-top:1px solid rgba(255,255,255,.05);padding:40px 0 20px}
.footer-top{display:grid;grid-template-columns:repeat(5,1fr);gap:30px;margin-bottom:30px}
.footer-col h4{font-size:1rem;margin-bottom:15px;color:#fff}
.footer-col a{display:block;color:#888;font-size:.9rem;margin-bottom:8px;transition:color .3s}
.footer-col a:hover{color:#00b4d8}
.footer-col p{color:#888;font-size:.85rem;line-height:1.7}
.footer-bottom{border-top:1px solid rgba(255,255,255,.05);padding-top:20px;text-align:center;color:#666;font-size:.85rem}
.footer-bottom .update-time{margin-top:8px;color:#555;font-size:.8rem}

/* Breadcrumb */
.breadcrumb{padding:15px 0;font-size:.9rem;color:#888}
.breadcrumb a{color:#00b4d8}
.breadcrumb span{margin:0 8px;color:#555}
.breadcrumb [itemscope]{display:inline}
.breadcrumb [itemprop="itemListElement"]{display:inline}
.breadcrumb [itemprop="name"]{color:inherit}

/* EEAT Trust Signals */
.trust-badges{display:flex;flex-wrap:wrap;gap:15px;justify-content:center;margin:20px 0}
.trust-badge{display:flex;align-items:center;gap:8px;padding:8px 16px;background:rgba(0,180,216,.08);border:1px solid rgba(0,180,216,.15);border-radius:8px;font-size:.85rem;color:#48cae4}
.trust-badge .icon{font-size:1.1rem}
.credential-bar{background:#0d0d0d;padding:15px 0;border-top:1px solid rgba(255,255,255,.03);text-align:center;font-size:.8rem;color:#555}

/* How-To Guide */
.howto-steps{display:grid;grid-template-columns:repeat(4,1fr);gap:20px;margin-top:30px}
.howto-step{text-align:center;padding:25px 20px;background:#151515;border-radius:12px;border:1px solid rgba(255,255,255,.05)}
.howto-step .step-num{width:45px;height:45px;background:linear-gradient(135deg,#00b4d8,#0077b6);border-radius:50%;display:flex;align-items:center;justify-content:center;font-size:1.2rem;font-weight:700;color:#fff;margin:0 auto 15px}
.howto-step h4{font-size:1rem;margin-bottom:8px}
.howto-step p{color:#999;font-size:.85rem}

/* Lazy Load Placeholder */
.lazy{opacity:0;transition:opacity .5s}
.lazy.loaded{opacity:1}

/* Responsive */
@media(max-width:1024px){
  .video-grid{grid-template-columns:repeat(3,1fr)}
  .expert-grid{grid-template-columns:repeat(2,1fr)}
  .module-grid{grid-template-columns:repeat(2,1fr)}
  .footer-top{grid-template-columns:repeat(3,1fr)}
  .howto-steps{grid-template-columns:repeat(2,1fr)}
}
@media(max-width:768px){
  .site-header .container{height:60px}
  .main-nav{display:none;position:absolute;top:60px;left:0;width:100%;background:rgba(10,10,10,.98);flex-direction:column;padding:20px;gap:5px}
  .main-nav.open{display:flex}
  .main-nav a{padding:12px 20px;width:100%}
  .mobile-toggle{display:flex}
  .hero-banner{height:60vh;min-height:400px;margin-top:60px}
  .hero-content h1{font-size:1.8rem}
  .video-grid{grid-template-columns:repeat(2,1fr)}
  .module-grid{grid-template-columns:1fr}
  .expert-grid{grid-template-columns:1fr}
  .contact-grid{grid-template-columns:1fr}
  .review-grid{grid-template-columns:1fr}
  .footer-top{grid-template-columns:1fr}
  .section{padding:40px 0}
  .section-title h2{font-size:1.5rem}
  .howto-steps{grid-template-columns:1fr}
}
@media(max-width:480px){
  .video-grid{grid-template-columns:1fr}
  .hero-content h1{font-size:1.5rem}
  .hero-content p{font-size:.95rem}
}

/* Animations */
@keyframes fadeInUp{from{opacity:0;transform:translateY(30px)}to{opacity:1;transform:translateY(0)}}
.fade-in{animation:fadeInUp .6s ease forwards}

/* MCP Service Frontend (No Backend) */
.mcp-widget{background:#151515;border-radius:12px;padding:20px;border:1px solid rgba(255,255,255,.05);margin-top:20px}
.mcp-widget .mcp-title{font-size:.95rem;color:#00b4d8;margin-bottom:10px}
.mcp-widget .mcp-status{display:flex;align-items:center;gap:8px;color:#999;font-size:.85rem}
.mcp-widget .mcp-status .dot{width:8px;height:8px;border-radius:50%;background:#07c160;animation:pulse 2s infinite}
@keyframes pulse{0%,100%{opacity:1}50%{opacity:.4}}

/* Video Overlay for H5 */
.video-overlay{position:absolute;inset:0;display:flex;align-items:center;justify-content:center;background:rgba(0,0,0,.3);opacity:0;transition:opacity .3s}
.video-card:hover .video-overlay{opacity:1}