/* 91影视传媒 - 全站样式表 */
/* 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","Hiragino Sans GB","Helvetica Neue",Arial,sans-serif;color:#333;background:#fff;line-height:1.8;-webkit-font-smoothing:antialiased}
a{color:#1a3a5c;text-decoration:none;transition:color .3s}
a:hover{color:#c9a84c}
img{max-width:100%;height:auto;display:block}
ul,ol{list-style:none}
.container{max-width:1200px;margin:0 auto;padding:0 20px}

/* Header */
.site-header{background:#1a1a2e;position:sticky;top:0;z-index:1000;box-shadow:0 2px 10px rgba(0,0,0,.3)}
.header-inner{display:flex;align-items:center;justify-content:space-between;padding:10px 20px;max-width:1200px;margin:0 auto}
.logo-link{display:flex;align-items:center;gap:10px}
.logo-link img{height:50px;width:auto}
.logo-text{color:#c9a84c;font-size:1.4rem;font-weight:700;letter-spacing:2px}
.main-nav{display:flex;align-items:center;gap:0}
.main-nav a{color:#e0e0e0;padding:12px 16px;font-size:.95rem;transition:all .3s;border-bottom:2px solid transparent}
.main-nav a:hover,.main-nav a.active{color:#c9a84c;border-bottom-color:#c9a84c}
.nav-toggle{display:none;background:none;border:none;color:#fff;font-size:1.5rem;cursor:pointer}

/* Search Bar */
.search-bar{background:#16213e;padding:10px 0}
.search-bar .container{display:flex;justify-content:center}
.search-box{display:flex;max-width:600px;width:100%}
.search-box input{flex:1;padding:10px 16px;border:2px solid #c9a84c;border-right:none;border-radius:25px 0 0 25px;background:#fff;font-size:.95rem;outline:none}
.search-box button{padding:10px 24px;background:#c9a84c;color:#1a1a2e;border:2px solid #c9a84c;border-radius:0 25px 25px 0;font-size:.95rem;cursor:pointer;font-weight:600;transition:background .3s}
.search-box button:hover{background:#b8963e}

/* Hero Banner */
.hero-section{position:relative;height:500px;overflow:hidden;display:flex;align-items:center;justify-content:center}
.hero-section img{position:absolute;top:0;left:0;width:100%;height:100%;object-fit:cover}
.hero-overlay{position:absolute;top:0;left:0;width:100%;height:100%;background:linear-gradient(135deg,rgba(26,26,46,.85),rgba(22,33,62,.7))}
.hero-content{position:relative;z-index:2;text-align:center;color:#fff;padding:20px}
.hero-content h1{font-size:2.8rem;margin-bottom:15px;text-shadow:2px 2px 4px rgba(0,0,0,.5)}
.hero-content h1 span{color:#c9a84c}
.hero-content p{font-size:1.2rem;max-width:700px;margin:0 auto 25px;opacity:.9}
.hero-btn{display:inline-block;padding:14px 36px;background:#c9a84c;color:#1a1a2e;font-size:1.1rem;font-weight:700;border-radius:30px;transition:all .3s;box-shadow:0 4px 15px rgba(201,168,76,.4)}
.hero-btn:hover{background:#fff;color:#1a1a2e;transform:translateY(-2px)}

/* Section Common */
.section{padding:60px 0}
.section-alt{background:#f8f9fa}
.section-dark{background:#1a1a2e;color:#fff}
.section-title{text-align:center;margin-bottom:40px}
.section-title h2{font-size:2rem;color:#1a1a2e;margin-bottom:10px;position:relative;display:inline-block}
.section-dark .section-title h2{color:#c9a84c}
.section-title h2::after{content:'';display:block;width:60px;height:3px;background:#c9a84c;margin:10px auto 0}
.section-title p{color:#666;font-size:1rem;max-width:600px;margin:0 auto}
.section-dark .section-title p{color:#aaa}

/* Video Card Grid */
.video-grid{display:grid;grid-template-columns:repeat(4,1fr);gap:24px}
.video-card{background:#fff;border-radius:12px;overflow:hidden;box-shadow:0 4px 20px rgba(0,0,0,.08);transition:all .3s}
.video-card:hover{transform:translateY(-5px);box-shadow:0 8px 30px rgba(0,0,0,.15)}
.video-thumb{position:relative;padding-top:75%;overflow:hidden;cursor:pointer}
.video-thumb img{position:absolute;top:0;left:0;width:100%;height:100%;object-fit:cover;transition:transform .5s}
.video-card:hover .video-thumb img{transform:scale(1.05)}
.play-btn{position:absolute;top:50%;left:50%;transform:translate(-50%,-50%);width:60px;height:60px;background:rgba(201,168,76,.9);border-radius:50%;display:flex;align-items:center;justify-content:center;opacity:0;transition:opacity .3s}
.play-btn::after{content:'';border-style:solid;border-width:10px 0 10px 18px;border-color:transparent transparent transparent #fff;margin-left:3px}
.video-card: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:14px}
.video-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}
.video-info h3 a{color:#333}
.video-info h3 a:hover{color:#c9a84c}
.video-meta{display:flex;gap:12px;color:#999;font-size:.8rem}
.video-meta span{display:flex;align-items:center;gap:3px}
.video-tags{display:flex;gap:6px;margin-top:8px;flex-wrap:wrap}
.video-tags span{background:#f0f0f0;color:#666;padding:2px 8px;border-radius:10px;font-size:.75rem}

/* Expert Section */
.expert-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:30px}
.expert-card{background:#fff;border-radius:12px;padding:30px;text-align:center;box-shadow:0 4px 20px rgba(0,0,0,.08);transition:all .3s}
.expert-card:hover{transform:translateY(-5px);box-shadow:0 8px 30px rgba(0,0,0,.15)}
.expert-avatar{width:120px;height:120px;border-radius:50%;margin:0 auto 15px;overflow:hidden;border:3px solid #c9a84c}
.expert-avatar img{width:100%;height:100%;object-fit:cover}
.expert-card h3{font-size:1.2rem;color:#1a1a2e;margin-bottom:5px}
.expert-card .role{color:#c9a84c;font-size:.9rem;margin-bottom:10px}
.expert-card p{color:#666;font-size:.9rem;line-height:1.6;margin-bottom:15px}
.expert-btns{display:flex;gap:10px;justify-content:center}
.btn-sm{padding:8px 18px;border-radius:20px;font-size:.85rem;font-weight:600;transition:all .3s;cursor:pointer;border:none}
.btn-primary{background:#c9a84c;color:#1a1a2e}
.btn-primary:hover{background:#b8963e}
.btn-outline{background:transparent;border:2px solid #c9a84c;color:#c9a84c}
.btn-outline:hover{background:#c9a84c;color:#1a1a2e}

/* FAQ Section */
.faq-list{max-width:800px;margin:0 auto}
.faq-item{border:1px solid #e0e0e0;border-radius:10px;margin-bottom:12px;overflow:hidden}
.faq-question{padding:18px 20px;background:#f8f9fa;cursor:pointer;display:flex;justify-content:space-between;align-items:center;font-weight:600;font-size:1rem;transition:background .3s}
.faq-question:hover{background:#eee}
.faq-question .arrow{transition:transform .3s;font-size:1.2rem;color:#c9a84c}
.faq-item.active .faq-question .arrow{transform:rotate(180deg)}
.faq-answer{padding:0 20px;max-height:0;overflow:hidden;transition:all .3s;color:#666;line-height:1.8}
.faq-item.active .faq-answer{padding:15px 20px;max-height:500px}

/* Reviews */
.review-grid{display:grid;grid-template-columns:repeat(2,1fr);gap:24px}
.review-card{background:#fff;border-radius:12px;padding:24px;box-shadow:0 4px 20px rgba(0,0,0,.08)}
.review-header{display:flex;align-items:center;gap:12px;margin-bottom:12px}
.review-avatar{width:48px;height:48px;border-radius:50%;background:#c9a84c;display:flex;align-items:center;justify-content:center;color:#fff;font-weight:700;font-size:1.1rem}
.review-name{font-weight:600}
.review-stars{color:#c9a84c;font-size:.9rem}
.review-text{color:#555;line-height:1.8;font-size:.95rem}
.review-date{color:#999;font-size:.8rem;margin-top:8px}

/* About Section */
.about-grid{display:grid;grid-template-columns:1fr 1fr;gap:40px;align-items:center}
.about-text h3{font-size:1.5rem;color:#1a1a2e;margin-bottom:15px}
.about-text p{color:#555;margin-bottom:15px;line-height:1.8}
.about-stats{display:flex;gap:30px;margin-top:20px}
.stat-item{text-align:center}
.stat-item .num{font-size:2rem;font-weight:700;color:#c9a84c}
.stat-item .label{font-size:.85rem;color:#666}
.about-img{border-radius:12px;overflow:hidden;box-shadow:0 8px 30px rgba(0,0,0,.1)}

/* Contact Section */
.contact-grid{display:grid;grid-template-columns:1fr 1fr;gap:40px}
.contact-info h3{font-size:1.3rem;color:#1a1a2e;margin-bottom:20px}
.contact-item{display:flex;gap:12px;margin-bottom:16px;align-items:flex-start}
.contact-icon{width:40px;height:40px;background:#c9a84c;border-radius:50%;display:flex;align-items:center;justify-content:center;color:#fff;font-size:1.1rem;flex-shrink:0}
.contact-detail h4{font-size:1rem;color:#333;margin-bottom:2px}
.contact-detail p{color:#666;font-size:.9rem}
.qrcode-grid{display:flex;gap:24px;margin-top:20px}
.qrcode-item{text-align:center}
.qrcode-item img{width:140px;height:140px;border-radius:8px;border:2px solid #eee}
.qrcode-item p{font-size:.85rem;color:#666;margin-top:6px}

/* Partner Logos */
.partner-logos{display:flex;flex-wrap:wrap;justify-content:center;gap:30px;align-items:center}
.partner-logos .partner-item{background:#f8f9fa;padding:15px 25px;border-radius:8px;font-size:1rem;color:#666;font-weight:600;border:1px solid #eee}

/* Share Buttons */
.share-section{text-align:center;padding:30px 0}
.share-btns{display:flex;gap:12px;justify-content:center;flex-wrap:wrap}
.share-btn{display:inline-flex;align-items:center;gap:6px;padding:10px 20px;border-radius:25px;color:#fff;font-size:.9rem;font-weight:600;transition:all .3s}
.share-btn:hover{transform:translateY(-2px);color:#fff}
.share-wechat{background:#07c160}
.share-weibo{background:#e6162d}
.share-douyin{background:#161823}
.share-bilibili{background:#fb7299}

/* How-To Guide */
.howto-steps{display:grid;grid-template-columns:repeat(4,1fr);gap:24px;margin-top:30px}
.howto-step{text-align:center;padding:24px;background:#fff;border-radius:12px;box-shadow:0 4px 15px rgba(0,0,0,.06)}
.step-num{width:50px;height:50px;background:#c9a84c;color:#1a1a2e;border-radius:50%;display:flex;align-items:center;justify-content:center;font-size:1.3rem;font-weight:700;margin:0 auto 12px}
.howto-step h4{font-size:1rem;margin-bottom:8px;color:#1a1a2e}
.howto-step p{color:#666;font-size:.9rem}

/* Breadcrumb */
.breadcrumb{padding:12px 0;background:#f8f9fa;border-bottom:1px solid #eee}
.breadcrumb-list{display:flex;gap:8px;align-items:center;font-size:.9rem;color:#666}
.breadcrumb-list a{color:#1a3a5c}
.breadcrumb-list a:hover{color:#c9a84c}
.breadcrumb-list .sep{color:#ccc}

/* Footer */
.site-footer{background:#0f0f23;color:#aaa;padding:40px 0 0}
.footer-grid{display:grid;grid-template-columns:repeat(4,1fr);gap:30px;padding-bottom:30px;border-bottom:1px solid #222}
.footer-col h4{color:#c9a84c;font-size:1rem;margin-bottom:15px}
.footer-col p{font-size:.9rem;line-height:1.8;margin-bottom:8px}
.footer-col a{color:#aaa;display:block;padding:3px 0;font-size:.9rem;transition:color .3s}
.footer-col a:hover{color:#c9a84c}
.footer-logo{height:40px;margin-bottom:12px}
.footer-bottom{text-align:center;padding:20px 0;font-size:.85rem;color:#666}
.footer-bottom a{color:#888}
.update-time{color:#888;font-size:.8rem;margin-top:5px}

/* Category Tags */
.cat-tags{display:flex;flex-wrap:wrap;gap:10px;justify-content:center;margin-bottom:30px}
.cat-tag{padding:8px 20px;background:#f0f0f0;border-radius:20px;color:#555;font-size:.9rem;transition:all .3s;cursor:pointer}
.cat-tag:hover,.cat-tag.active{background:#c9a84c;color:#1a1a2e}

/* Inner Page Content */
.page-hero{height:300px;position:relative;display:flex;align-items:center;justify-content:center;overflow:hidden}
.page-hero img{position:absolute;top:0;left:0;width:100%;height:100%;object-fit:cover}
.page-hero .hero-overlay{background:linear-gradient(135deg,rgba(26,26,46,.8),rgba(22,33,62,.6))}
.page-hero-content{position:relative;z-index:2;text-align:center;color:#fff}
.page-hero-content h1{font-size:2.2rem;margin-bottom:10px}
.page-hero-content p{font-size:1.1rem;opacity:.9}

/* Article Content */
.article-content{max-width:900px;margin:0 auto;padding:40px 20px}
.article-content h2{font-size:1.6rem;color:#1a1a2e;margin:30px 0 15px;padding-left:12px;border-left:4px solid #c9a84c}
.article-content h3{font-size:1.3rem;color:#333;margin:20px 0 10px}
.article-content p{color:#555;margin-bottom:15px;line-height:1.9;text-indent:2em}
.article-content .img-wrap{margin:20px 0;border-radius:8px;overflow:hidden}

/* AI Feature Cards */
.ai-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:24px}
.ai-card{background:linear-gradient(135deg,#1a1a2e,#16213e);border-radius:12px;padding:30px;color:#fff;text-align:center;transition:all .3s}
.ai-card:hover{transform:translateY(-5px);box-shadow:0 8px 30px rgba(201,168,76,.2)}
.ai-icon{font-size:2.5rem;margin-bottom:15px}
.ai-card h3{color:#c9a84c;margin-bottom:10px;font-size:1.1rem}
.ai-card p{color:#bbb;font-size:.9rem;line-height:1.6}

/* Community Features */
.community-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:24px}
.community-card{background:#fff;border-radius:12px;padding:24px;border:2px solid #f0f0f0;transition:all .3s;text-align:center}
.community-card:hover{border-color:#c9a84c;box-shadow:0 8px 25px rgba(0,0,0,.1)}
.community-icon{font-size:2rem;margin-bottom:12px}
.community-card h3{font-size:1.1rem;color:#1a1a2e;margin-bottom:8px}
.community-card p{color:#666;font-size:.9rem}

/* Responsive */
@media(max-width:1024px){
.video-grid{grid-template-columns:repeat(3,1fr)}
.expert-grid{grid-template-columns:repeat(2,1fr)}
.footer-grid{grid-template-columns:repeat(2,1fr)}
.howto-steps{grid-template-columns:repeat(2,1fr)}
}
@media(max-width:768px){
.header-inner{flex-wrap:wrap}
.main-nav{display:none;width:100%;flex-direction:column;padding:10px 0}
.main-nav.active{display:flex}
.nav-toggle{display:block}
.hero-section{height:350px}
.hero-content h1{font-size:1.8rem}
.video-grid{grid-template-columns:repeat(2,1fr)}
.expert-grid{grid-template-columns:1fr}
.about-grid{grid-template-columns:1fr}
.contact-grid{grid-template-columns:1fr}
.review-grid{grid-template-columns:1fr}
.ai-grid{grid-template-columns:1fr}
.community-grid{grid-template-columns:1fr}
.footer-grid{grid-template-columns:1fr}
.howto-steps{grid-template-columns:1fr}
.search-box{max-width:100%}
}
@media(max-width:480px){
.video-grid{grid-template-columns:1fr}
.hero-content h1{font-size:1.5rem}
.section{padding:40px 0}
}

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

/* Animation */
.fade-in{opacity:0;transform:translateY(20px);transition:all .6s ease}
.fade-in.visible{opacity:1;transform:translateY(0)}

/* Video Tag (H5 video element in card) */
.video-thumb video{position:absolute;top:0;left:0;width:100%;height:100%;object-fit:cover}
.video-thumb video+.play-btn{z-index:3}

/* Timeline */
.timeline{position:relative;padding:20px 0 20px 40px;margin:20px 0}
.timeline::before{content:'';position:absolute;left:15px;top:0;bottom:0;width:3px;background:#c9a84c}
.timeline-item{position:relative;margin-bottom:24px;padding-left:20px}
.timeline-item::before{content:'';position:absolute;left:-32px;top:6px;width:14px;height:14px;background:#c9a84c;border-radius:50%;border:3px solid #fff;box-shadow:0 0 0 2px #c9a84c}
.timeline-year{font-size:1.1rem;font-weight:700;color:#c9a84c;margin-bottom:4px}
.timeline-content{color:#555;font-size:.95rem;line-height:1.6}

/* Expert Detail (About page) */
.expert-detail{text-align:left;margin:15px 0}
.expert-detail p{color:#555;font-size:.9rem;line-height:1.7;margin-bottom:8px;text-indent:0}
.expert-detail ul{margin:5px 0 10px 20px;list-style:disc}
.expert-detail ul li{color:#555;font-size:.85rem;line-height:1.8}

/* Expert Recommend Block */
.expert-recommend{display:flex;gap:24px;align-items:center;background:#fff;border-radius:12px;padding:30px;box-shadow:0 4px 20px rgba(0,0,0,.08);border-left:4px solid #c9a84c}
.expert-recommend-avatar{flex-shrink:0}
.expert-recommend-avatar img{width:80px;height:80px;border-radius:50%;object-fit:cover;border:3px solid #c9a84c}
.expert-recommend-content h4{color:#1a1a2e;font-size:1.1rem;margin-bottom:8px}
.expert-recommend-quote{color:#555;font-size:1rem;line-height:1.8;font-style:italic;margin-bottom:8px}
.expert-recommend-info{color:#999;font-size:.9rem}

/* QR Code Group */
.contact-qrcode{display:flex;flex-direction:column;align-items:center}
.qrcode-group{display:flex;gap:24px}
.qrcode-item{text-align:center}
.qrcode-item img{width:160px;height:160px;border-radius:8px;border:2px solid #eee}
.qrcode-item p{font-size:.85rem;color:#666;margin-top:6px}

/* News/Industry Cards */
.news-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:24px}
.news-card{background:#fff;border-radius:12px;overflow:hidden;box-shadow:0 4px 15px rgba(0,0,0,.06);transition:all .3s}
.news-card:hover{transform:translateY(-3px);box-shadow:0 8px 25px rgba(0,0,0,.12)}
.news-card-body{padding:16px}
.news-card-body h3{font-size:1rem;color:#1a1a2e;margin-bottom:8px;line-height:1.4}
.news-card-body p{color:#666;font-size:.85rem;line-height:1.6;display:-webkit-box;-webkit-line-clamp:3;-webkit-box-orient:vertical;overflow:hidden}
.news-card-meta{display:flex;justify-content:space-between;color:#999;font-size:.8rem;margin-top:10px}

/* Breadcrumb ol style fix */
.breadcrumb-list{list-style:none;padding:0;margin:0}
.breadcrumb-list li{display:inline}

/* Responsive additions */
@media(max-width:768px){
.expert-recommend{flex-direction:column;text-align:center}
.news-grid{grid-template-columns:1fr}
.qrcode-group{flex-direction:column;align-items:center}
.timeline{padding-left:30px}
}

/* Danmaku */
.danmaku-area{margin-top:20px}
.danmaku-item{position:absolute;white-space:nowrap;right:-300px;animation:danmaku-scroll linear forwards;pointer-events:none;text-shadow:1px 1px 2px rgba(0,0,0,.5);font-weight:600}
@keyframes danmaku-scroll{0%{right:-300px}100%{right:120%}}

/* Expert Credentials */
.expert-credentials{text-align:left;margin:15px 0;padding:15px;background:#f8f9fa;border-radius:8px}
.expert-credentials h5{font-size:.9rem;color:#1a1a2e;margin:10px 0 5px;padding-bottom:4px;border-bottom:1px solid #e0e0e0}
.expert-credentials h5:first-child{margin-top:0}
.expert-credentials ul{margin:5px 0 0 18px;list-style:disc}
.expert-credentials ul li{color:#555;font-size:.85rem;line-height:1.8}
.expert-social{display:flex;gap:8px;flex-wrap:wrap;margin-top:5px}
.expert-social a{display:inline-block;padding:4px 12px;background:#c9a84c;color:#1a1a2e;border-radius:15px;font-size:.8rem;font-weight:600;transition:all .3s}
.expert-social a:hover{background:#b8963e;color:#fff}

/* News Card Extended */
.news-card{position:relative;padding:20px;border-left:4px solid #c9a84c}
.news-date{font-size:.85rem;color:#c9a84c;font-weight:600;margin-bottom:8px}
.news-link{display:inline-block;margin-top:10px;color:#c9a84c;font-size:.85rem;font-weight:600;transition:color .3s}
.news-link:hover{color:#b8963e}

/* Entertainment Grid */
.entertainment-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:24px}
.ent-card{background:#fff;border-radius:12px;padding:24px;text-align:center;box-shadow:0 4px 15px rgba(0,0,0,.06);transition:all .3s}
.ent-card:hover{transform:translateY(-3px);box-shadow:0 8px 25px rgba(0,0,0,.12)}
.ent-icon{font-size:2.5rem;margin-bottom:12px}
.ent-card h4{font-size:1.05rem;color:#1a1a2e;margin-bottom:8px}
.ent-card p{color:#666;font-size:.9rem;line-height:1.6}

@media(max-width:768px){
.entertainment-grid{grid-template-columns:1fr}
}