/* ============================================
   双飞影视传媒 - 全站样式表
   品牌色：#FF1493 (深粉) / #FF69B4 (亮粉) / #FFF0F5 (浅粉背景)
   原创设计 - 百度SEO友好 - 移动端适配
   ============================================ */

/* Reset & Base */
*,*::before,*::after{box-sizing:border-box;margin:0;padding:0}
html{font-size:16px;-webkit-text-size-adjust:100%;scroll-behavior:smooth}
body{font-family:"PingFang SC","Microsoft YaHei","Helvetica Neue",Arial,sans-serif;background:#FFF0F5;color:#333;line-height:1.8;overflow-x:hidden}
a{color:#FF1493;text-decoration:none;transition:color .2s}
a:hover{color:#FF69B4}
img{max-width:100%;height:auto;display:block}
ul,ol{list-style:none}
h1,h2,h3,h4,h5,h6{font-weight:700;line-height:1.4;color:#222}
h1{font-size:2rem}
h2{font-size:1.6rem}
h3{font-size:1.3rem}
h4{font-size:1.1rem}

/* Container */
.container{width:100%;max-width:1200px;margin:0 auto;padding:0 20px}

/* Header */
.site-header{background:linear-gradient(135deg,#FF1493 0%,#FF69B4 100%);position:sticky;top:0;z-index:1000;box-shadow:0 2px 12px rgba(255,20,147,.25)}
.header-inner{display:flex;align-items:center;justify-content:space-between;padding:12px 20px;max-width:1200px;margin:0 auto}
.logo-wrap{display:flex;align-items:center;gap:10px}
.logo-wrap img{width:40px;height:40px;border-radius:8px}
.logo-text{font-size:1.4rem;font-weight:800;color:#fff;letter-spacing:2px}
.main-nav{display:flex;align-items:center;gap:6px;flex-wrap:wrap}
.main-nav a{color:#fff;padding:8px 14px;border-radius:20px;font-size:.95rem;font-weight:500;transition:all .2s}
.main-nav a:hover,.main-nav a.active{background:rgba(255,255,255,.25);color:#fff}
.mobile-menu-btn{display:none;background:none;border:none;color:#fff;font-size:1.5rem;cursor:pointer}

/* Search Bar */
.search-bar{background:rgba(255,255,255,.15);padding:10px 20px;text-align:center}
.search-form{display:inline-flex;align-items:center;gap:8px;max-width:500px;width:100%}
.search-form input{flex:1;padding:8px 16px;border:none;border-radius:24px;font-size:.9rem;background:rgba(255,255,255,.95);color:#333}
.search-form input::placeholder{color:#999}
.search-form button{padding:8px 20px;border:none;border-radius:24px;background:#fff;color:#FF1493;font-weight:600;cursor:pointer;font-size:.9rem;transition:all .2s}
.search-form button:hover{background:#FF1493;color:#fff}

/* Breadcrumb */
.breadcrumb{padding:12px 0;font-size:.85rem;color:#888}
.breadcrumb a{color:#FF1493}
.breadcrumb span{margin:0 6px;color:#ccc}

/* Hero Section */
.hero{position:relative;height:420px;overflow:hidden;background:linear-gradient(135deg,#FF1493,#FF69B4)}
.hero-bg{position:absolute;inset:0;background-size:cover;background-position:center;opacity:.4}
.hero-content{position:relative;z-index:2;padding:60px 20px;max-width:1200px;margin:0 auto;text-align:center}
.hero-content h1{color:#fff;font-size:2.4rem;margin-bottom:16px;text-shadow:0 2px 8px rgba(0,0,0,.3)}
.hero-content p{color:rgba(255,255,255,.95);font-size:1.1rem;max-width:600px;margin:0 auto 24px}
.hero-tags{display:flex;gap:10px;justify-content:center;flex-wrap:wrap;margin-top:16px}
.hero-tags span{background:rgba(255,255,255,.2);color:#fff;padding:4px 14px;border-radius:16px;font-size:.85rem}

/* Section */
.section{padding:50px 0}
.section-title{text-align:center;margin-bottom:36px}
.section-title h2{color:#FF1493;font-size:1.8rem;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:linear-gradient(90deg,#FF1493,#FF69B4);border-radius:2px}
.section-title p{color:#888;margin-top:8px;font-size:.95rem}

/* Video Grid */
.video-grid{display:grid;grid-template-columns:repeat(auto-fill,minmax(280px,1fr));gap:20px}
.video-card{background:#fff;border-radius:12px;overflow:hidden;box-shadow:0 2px 12px rgba(255,20,147,.08);transition:all .3s;cursor:pointer}
.video-card:hover{transform:translateY(-4px);box-shadow:0 8px 24px rgba(255,20,147,.18)}
.video-thumb{position:relative;aspect-ratio:16/9;overflow:hidden;background:#f5f5f5}
.video-thumb img{width:100%;height:100%;object-fit:cover;transition:transform .3s}
.video-card:hover .video-thumb img{transform:scale(1.08)}
.video-play-btn{position:absolute;top:50%;left:50%;transform:translate(-50%,-50%) scale(.8);width:56px;height:56px;border-radius:50%;background:rgba(255,20,147,.85);display:flex;align-items:center;justify-content:center;opacity:0;transition:all .3s}
.video-card:hover .video-play-btn{opacity:1;transform:translate(-50%,-50%) scale(1)}
.video-play-btn::after{content:'';width:0;height:0;border-left:18px solid #fff;border-top:12px solid transparent;border-bottom:12px solid transparent;margin-left:4px}
.video-duration{position:absolute;bottom:8px;right:8px;background:rgba(0,0,0,.7);color:#fff;padding:2px 8px;border-radius:4px;font-size:.75rem}
.video-info{padding:14px}
.video-info h3{font-size:1rem;margin-bottom:6px;color:#222;overflow:hidden;text-overflow:ellipsis;white-space:nowrap}
.video-info p{font-size:.85rem;color:#888;overflow:hidden;text-overflow:ellipsis;white-space:nowrap}
.video-meta{display:flex;justify-content:space-between;align-items:center;margin-top:10px;font-size:.8rem;color:#aaa}
.video-meta span{display:flex;align-items:center;gap:4px}

/* Feature Cards */
.feature-grid{display:grid;grid-template-columns:repeat(auto-fill,minmax(300px,1fr));gap:24px}
.feature-card{background:#fff;border-radius:14px;padding:28px;box-shadow:0 2px 12px rgba(255,20,147,.06);transition:all .3s;border:1px solid rgba(255,20,147,.08)}
.feature-card:hover{box-shadow:0 8px 28px rgba(255,20,147,.15);transform:translateY(-3px)}
.feature-card .icon{width:52px;height:52px;border-radius:12px;background:linear-gradient(135deg,#FF1493,#FF69B4);display:flex;align-items:center;justify-content:center;margin-bottom:16px;font-size:1.5rem;color:#fff}
.feature-card h3{font-size:1.15rem;margin-bottom:10px;color:#222}
.feature-card p{font-size:.9rem;color:#666;line-height:1.7}

/* Section Banner */
.section-banner{position:relative;height:240px;border-radius:16px;overflow:hidden;margin-bottom:30px}
.section-banner img{width:100%;height:100%;object-fit:cover}
.section-banner-overlay{position:absolute;inset:0;background:linear-gradient(135deg,rgba(255,20,147,.7),rgba(255,105,180,.5));display:flex;align-items:center;justify-content:center}
.section-banner-overlay h2{color:#fff;font-size:2rem;text-shadow:0 2px 8px rgba(0,0,0,.3)}

/* Expert Cards */
.expert-grid{display:grid;grid-template-columns:repeat(auto-fill,minmax(260px,1fr));gap:24px}
.expert-card{background:#fff;border-radius:14px;overflow:hidden;box-shadow:0 2px 12px rgba(255,20,147,.08);transition:all .3s}
.expert-card:hover{box-shadow:0 8px 24px rgba(255,20,147,.18);transform:translateY(-3px)}
.expert-photo{width:100%;aspect-ratio:1/1;object-fit:cover}
.expert-info{padding:18px}
.expert-info h3{font-size:1.1rem;color:#222;margin-bottom:4px}
.expert-info .title{color:#FF1493;font-size:.85rem;margin-bottom:8px}
.expert-info p{font-size:.85rem;color:#666;line-height:1.6;margin-bottom:10px}
.expert-actions{display:flex;gap:8px}
.expert-actions a{padding:6px 14px;border-radius:20px;font-size:.8rem;font-weight:500}
.btn-primary{background:linear-gradient(135deg,#FF1493,#FF69B4);color:#fff}
.btn-primary:hover{opacity:.9;color:#fff}
.btn-outline{border:1px solid #FF1493;color:#FF1493;background:transparent}
.btn-outline:hover{background:#FF1493;color:#fff}

/* FAQ */
.faq-list{max-width:800px;margin:0 auto}
.faq-item{background:#fff;border-radius:10px;margin-bottom:12px;overflow:hidden;border:1px solid rgba(255,20,147,.08)}
.faq-question{padding:16px 20px;cursor:pointer;display:flex;justify-content:space-between;align-items:center;font-weight:600;color:#222;font-size:.95rem;transition:background .2s}
.faq-question:hover{background:#FFF0F5}
.faq-question .arrow{transition:transform .3s;color:#FF1493;font-size:1.2rem}
.faq-item.open .faq-question .arrow{transform:rotate(180deg)}
.faq-answer{max-height:0;overflow:hidden;transition:max-height .3s ease;padding:0 20px}
.faq-item.open .faq-answer{max-height:300px;padding:0 20px 16px}
.faq-answer p{font-size:.9rem;color:#666;line-height:1.7}

/* Reviews */
.review-grid{display:grid;grid-template-columns:repeat(auto-fill,minmax(320px,1fr));gap:20px}
.review-card{background:#fff;border-radius:12px;padding:20px;box-shadow:0 2px 8px rgba(255,20,147,.06)}
.review-card .review-header{display:flex;align-items:center;gap:12px;margin-bottom:12px}
.review-avatar{width:40px;height:40px;border-radius:50%;background:linear-gradient(135deg,#FF1493,#FF69B4);display:flex;align-items:center;justify-content:center;color:#fff;font-weight:700;font-size:.9rem}
.review-name{font-weight:600;color:#222;font-size:.9rem}
.review-date{font-size:.75rem;color:#aaa}
.review-card .stars{color:#FF1493;font-size:.85rem;margin-bottom:8px}
.review-card p{font-size:.88rem;color:#666;line-height:1.6}
.review-reply{margin-top:12px;padding:10px 14px;background:#FFF0F5;border-radius:8px;font-size:.82rem;color:#888}
.review-reply strong{color:#FF1493}

/* Partner Logos */
.partner-grid{display:flex;flex-wrap:wrap;gap:20px;justify-content:center}
.partner-logo{width:120px;height:60px;background:#fff;border-radius:10px;display:flex;align-items:center;justify-content:center;font-size:.85rem;font-weight:600;color:#FF1493;box-shadow:0 2px 8px rgba(0,0,0,.06);transition:all .3s}
.partner-logo:hover{transform:scale(1.05);box-shadow:0 4px 16px rgba(255,20,147,.15)}

/* Contact Section */
.contact-grid{display:grid;grid-template-columns:1fr 1fr;gap:30px}
.contact-info{background:#fff;border-radius:14px;padding:28px;box-shadow:0 2px 12px rgba(255,20,147,.06)}
.contact-info h3{color:#FF1493;margin-bottom:16px}
.contact-info p{margin-bottom:10px;font-size:.9rem;color:#666}
.contact-info strong{color:#222}
.qr-grid{display:flex;gap:20px;margin-top:16px}
.qr-item{text-align:center}
.qr-item img{width:120px;height:120px;border-radius:10px;margin-bottom:8px}
.qr-item p{font-size:.8rem;color:#888}

/* Share Buttons */
.share-bar{display:flex;gap:10px;flex-wrap:wrap;justify-content:center;padding:20px 0}
.share-btn{padding:8px 18px;border-radius:24px;font-size:.85rem;font-weight:500;cursor:pointer;transition:all .2s;border:none}
.share-wechat{background:#07C160;color:#fff}
.share-weibo{background:#E6162D;color:#fff}
.share-douyin{background:#000;color:#fff}
.share-bilibili{background:#FB7299;color:#fff}
.share-btn:hover{opacity:.85;transform:translateY(-2px)}

/* Tags */
.tag-cloud{display:flex;flex-wrap:wrap;gap:8px;padding:16px 0}
.tag-cloud a{padding:4px 12px;background:#FFF0F5;border-radius:16px;font-size:.8rem;color:#FF1493;transition:all .2s}
.tag-cloud a:hover{background:#FF1493;color:#fff}

/* Content Article */
.article-content{max-width:800px;margin:0 auto;padding:20px 0}
.article-content p{margin-bottom:16px;font-size:.95rem;color:#444;line-height:1.9}
.article-content h3{margin:24px 0 12px;color:#FF1493}

/* Stats Bar */
.stats-bar{display:flex;justify-content:center;gap:40px;padding:30px 0;flex-wrap:wrap}
.stat-item{text-align:center}
.stat-item .num{font-size:2rem;font-weight:800;color:#FF1493}
.stat-item .label{font-size:.85rem;color:#888;margin-top:4px}

/* Footer */
.site-footer{background:linear-gradient(135deg,#1a1a2e 0%,#16213e 100%);color:#aaa;padding:40px 0 20px;margin-top:40px}
.footer-grid{display:grid;grid-template-columns:repeat(auto-fit,minmax(200px,1fr));gap:30px;max-width:1200px;margin:0 auto;padding:0 20px}
.footer-col h4{color:#fff;font-size:1rem;margin-bottom:14px}
.footer-col a{color:#aaa;font-size:.88rem;display:block;margin-bottom:8px;transition:color .2s}
.footer-col a:hover{color:#FF69B4}
.footer-bottom{text-align:center;padding:20px;border-top:1px solid rgba(255,255,255,.08);margin-top:24px;font-size:.82rem;color:#777}
.footer-bottom .update-time{color:#FF69B4;margin-top:6px}
.footer-logos{display:flex;gap:16px;justify-content:center;margin-top:16px}
.footer-logos img{width:80px;height:80px;border-radius:8px}

/* Page Layout */
.page-content{padding:30px 0;min-height:60vh}
.page-header{background:linear-gradient(135deg,#FF1493,#FF69B4);padding:40px 0;text-align:center}
.page-header h1{color:#fff;font-size:2rem;margin-bottom:8px}
.page-header p{color:rgba(255,255,255,.9);font-size:1rem}

/* Two Column Layout */
.two-col{display:grid;grid-template-columns:2fr 1fr;gap:30px}
.sidebar-card{background:#fff;border-radius:12px;padding:20px;margin-bottom:20px;box-shadow:0 2px 8px rgba(255,20,147,.06)}
.sidebar-card h3{font-size:1rem;color:#FF1493;margin-bottom:12px}
.sidebar-card ul li{padding:8px 0;border-bottom:1px solid #f5f5f5;font-size:.88rem}
.sidebar-card ul li:last-child{border-bottom:none}
.sidebar-card ul li a{color:#666}
.sidebar-card ul li a:hover{color:#FF1493}

/* How-To Steps */
.howto-steps{counter-reset:step;max-width:800px;margin:0 auto}
.howto-step{position:relative;padding:20px 20px 20px 60px;margin-bottom:16px;background:#fff;border-radius:12px;box-shadow:0 2px 8px rgba(255,20,147,.06)}
.howto-step::before{counter-increment:step;content:counter(step);position:absolute;left:16px;top:20px;width:32px;height:32px;border-radius:50%;background:linear-gradient(135deg,#FF1493,#FF69B4);color:#fff;display:flex;align-items:center;justify-content:center;font-weight:700;font-size:.9rem}
.howto-step h4{color:#222;margin-bottom:6px;font-size:1rem}
.howto-step p{font-size:.88rem;color:#666;line-height:1.6}

/* JSON-LD hidden */
.jsonld-block{display:none}

/* Responsive */
@media(max-width:768px){
  .header-inner{flex-wrap:wrap}
  .main-nav{display:none;width:100%;flex-direction:column;gap:4px;margin-top:10px}
  .main-nav.open{display:flex}
  .main-nav a{width:100%;text-align:center}
  .mobile-menu-btn{display:block}
  .hero{height:300px}
  .hero-content h1{font-size:1.6rem}
  .hero-content p{font-size:.95rem}
  .contact-grid{grid-template-columns:1fr}
  .two-col{grid-template-columns:1fr}
  .stats-bar{gap:20px}
  .stat-item .num{font-size:1.4rem}
  .video-grid{grid-template-columns:1fr}
  .feature-grid{grid-template-columns:1fr}
  .expert-grid{grid-template-columns:1fr}
  .review-grid{grid-template-columns:1fr}
  h1{font-size:1.5rem}
  h2{font-size:1.3rem}
  .section{padding:30px 0}
  .section-banner{height:160px}
  .section-banner-overlay h2{font-size:1.4rem}
  .search-bar{padding:8px 16px}
  .search-form input{font-size:.85rem}
  .partner-grid{gap:10px}
  .partner-logo{width:90px;height:50px;font-size:.75rem}
}

@media(max-width:480px){
  .container{padding:0 12px}
  .hero-content h1{font-size:1.3rem}
  .video-grid{grid-template-columns:1fr}
  .footer-grid{grid-template-columns:1fr}
  .qr-grid{flex-direction:column;align-items:center}
}

/* Lazy load */
img[loading="lazy"]{opacity:0;transition:opacity .3s}
img[loading="lazy"].loaded{opacity:1}

/* Animation */
@keyframes fadeInUp{from{opacity:0;transform:translateY(20px)}to{opacity:1;transform:translateY(0)}}
.fade-in{animation:fadeInUp .6s ease-out}

/* Print */
@media print{.site-header,.search-bar,.site-footer,.share-bar{display:none}}