/* ============================================
   大象传媒 原创样式表
   品牌色系：糖心粉 #FF6B9D / 深玫红 #C44569 / 暖金 #F8B500
   ============================================ */

/* CSS 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",Arial,sans-serif;color:#2D2D3A;background:#FFF5F7;line-height:1.7;overflow-x:hidden}
a{text-decoration:none;color:inherit;transition:color .3s}
img{max-width:100%;height:auto;display:block}
ul,ol{list-style:none}
.container{max-width:1200px;margin:0 auto;padding:0 20px}

/* Header & Navigation */
.site-header{background:linear-gradient(135deg,#1A1A2E 0%,#2D2D3A 100%);position:sticky;top:0;z-index:1000;box-shadow:0 2px 20px 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-wrap{display:flex;align-items:center;gap:10px}
.logo-wrap img{height:42px;width:auto}
.logo-wrap .brand-name{color:#FF6B9D;font-size:1.4rem;font-weight:700;letter-spacing:1px}
.main-nav{display:flex;align-items:center;gap:0}
.main-nav a{color:#fff;padding:12px 16px;font-size:.95rem;transition:all .3s;position:relative}
.main-nav a:hover,.main-nav a.active{color:#FF6B9D}
.main-nav a::after{content:'';position:absolute;bottom:0;left:50%;transform:translateX(-50%);width:0;height:2px;background:#FF6B9D;transition:width .3s}
.main-nav a:hover::after,.main-nav a.active::after{width:60%}
.mobile-toggle{display:none;color:#fff;font-size:1.5rem;cursor:pointer;background:none;border:none}

/* Search Bar */
.search-bar{background:linear-gradient(90deg,#C44569,#FF6B9D);padding:12px 0}
.search-bar .container{display:flex;justify-content:center}
.search-box{display:flex;max-width:600px;width:100%;background:#fff;border-radius:25px;overflow:hidden;box-shadow:0 2px 15px rgba(255,107,157,.3)}
.search-box input{flex:1;border:none;padding:10px 20px;font-size:.95rem;outline:none;color:#2D2D3A}
.search-box button{background:#FF6B9D;color:#fff;border:none;padding:10px 25px;cursor:pointer;font-size:.95rem;transition:background .3s}
.search-box button:hover{background:#C44569}

/* Hero Section */
.hero{position:relative;height:500px;overflow:hidden;display:flex;align-items:center;justify-content:center}
.hero 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,.7),rgba(196,69,105,.4))}
.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:0 2px 10px rgba(0,0,0,.5)}
.hero-content h1 span{color:#FF6B9D}
.hero-content p{font-size:1.2rem;margin-bottom:25px;opacity:.9}
.hero-btn{display:inline-block;background:linear-gradient(135deg,#FF6B9D,#C44569);color:#fff;padding:12px 35px;border-radius:25px;font-size:1rem;transition:transform .3s,box-shadow .3s}
.hero-btn:hover{transform:translateY(-2px);box-shadow:0 5px 20px rgba(255,107,157,.5)}

/* Section Titles */
.section{padding:60px 0}
.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-title h2::after{content:'';display:block;width:60px;height:3px;background:linear-gradient(90deg,#FF6B9D,#F8B500);margin:10px auto 0}
.section-title p{color:#6B6B80;font-size:1rem}

/* Video Cards Grid */
.video-grid{display:grid;grid-template-columns:repeat(4,1fr);gap:20px}
.video-card{background:#fff;border-radius:12px;overflow:hidden;box-shadow:0 4px 15px rgba(0,0,0,.08);transition:transform .3s,box-shadow .3s;cursor:pointer}
.video-card:hover{transform:translateY(-5px);box-shadow:0 8px 30px rgba(255,107,157,.2)}
.video-card .thumb{position:relative;padding-top:56.25%;overflow:hidden}
.video-card .thumb img{position:absolute;top:0;left:0;width:100%;height:100%;object-fit:cover;transition:transform .5s}
.video-card:hover .thumb img{transform:scale(1.05)}
.video-card .play-icon{position:absolute;top:50%;left:50%;transform:translate(-50%,-50%);width:50px;height:50px;background:rgba(255,107,157,.85);border-radius:50%;display:flex;align-items:center;justify-content:center;transition:all .3s}
.video-card .play-icon::after{content:'';border-left:18px solid #fff;border-top:11px solid transparent;border-bottom:11px solid transparent;margin-left:4px}
.video-card:hover .play-icon{background:#C44569;transform:translate(-50%,-50%) scale(1.1)}
.video-card .card-info{padding:12px 15px}
.video-card .card-title{font-size:.95rem;font-weight:600;color:#2D2D3A;margin-bottom:6px;white-space:nowrap;overflow:hidden;text-overflow:ellipsis}
.video-card .card-meta{display:flex;justify-content:space-between;font-size:.8rem;color:#6B6B80}
.video-card .card-tags{display:flex;gap:5px;margin-top:6px;flex-wrap:wrap}
.video-card .card-tags span{background:#FFF5F7;color:#FF6B9D;padding:2px 8px;border-radius:10px;font-size:.75rem}

/* Services Section */
.services-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:25px}
.service-item{background:#fff;border-radius:12px;padding:30px;text-align:center;box-shadow:0 4px 15px rgba(0,0,0,.06);transition:transform .3s}
.service-item:hover{transform:translateY(-3px)}
.service-icon{width:70px;height:70px;margin:0 auto 15px;background:linear-gradient(135deg,#FF6B9D,#F8B500);border-radius:50%;display:flex;align-items:center;justify-content:center;font-size:2rem;color:#fff}
.service-item h3{font-size:1.1rem;color:#1A1A2E;margin-bottom:8px}
.service-item p{color:#6B6B80;font-size:.9rem;line-height:1.6}

/* Expert Section */
.expert-grid{display:grid;grid-template-columns:repeat(4,1fr);gap:25px}
.expert-card{background:#fff;border-radius:12px;overflow:hidden;box-shadow:0 4px 15px rgba(0,0,0,.06);text-align:center;transition:transform .3s}
.expert-card:hover{transform:translateY(-3px)}
.expert-card .avatar{width:100%;aspect-ratio:1;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 .expert-info{padding:15px}
.expert-card h3{font-size:1rem;color:#1A1A2E;margin-bottom:4px}
.expert-card .title{color:#FF6B9D;font-size:.85rem;margin-bottom:8px}
.expert-card p{color:#6B6B80;font-size:.82rem;line-height:1.5}
.expert-card .expert-btns{display:flex;gap:8px;justify-content:center;margin-top:12px}
.expert-card .expert-btns a{padding:5px 12px;border-radius:15px;font-size:.8rem;transition:all .3s}
.expert-card .expert-btns .btn-contact{background:#FF6B9D;color:#fff}
.expert-card .expert-btns .btn-work{border:1px solid #FF6B9D;color:#FF6B9D}
.expert-card .expert-btns a:hover{opacity:.8}

/* Brand Wall */
.brand-wall{display:flex;flex-wrap:wrap;justify-content:center;gap:30px;align-items:center}
.brand-wall .brand-logo{background:#fff;padding:15px 25px;border-radius:8px;box-shadow:0 2px 10px rgba(0,0,0,.05);font-size:1rem;font-weight:600;color:#6B6B80;transition:all .3s}
.brand-wall .brand-logo:hover{box-shadow:0 4px 20px rgba(255,107,157,.15);color:#FF6B9D}

/* FAQ Section */
.faq-list{max-width:800px;margin:0 auto}
.faq-item{background:#fff;border-radius:10px;margin-bottom:12px;box-shadow:0 2px 10px rgba(0,0,0,.05);overflow:hidden}
.faq-item .faq-q{padding:16px 20px;font-weight:600;cursor:pointer;display:flex;justify-content:space-between;align-items:center;transition:background .3s}
.faq-item .faq-q:hover{background:#FFF5F7}
.faq-item .faq-q .arrow{transition:transform .3s;color:#FF6B9D;font-size:1.2rem}
.faq-item.active .faq-q .arrow{transform:rotate(180deg)}
.faq-item .faq-a{padding:0 20px;max-height:0;overflow:hidden;transition:max-height .4s ease,padding .4s ease;color:#6B6B80;font-size:.9rem;line-height:1.7}
.faq-item.active .faq-a{max-height:300px;padding:0 20px 16px}

/* Reviews */
.review-grid{display:grid;grid-template-columns:repeat(2,1fr);gap:20px}
.review-card{background:#fff;border-radius:12px;padding:25px;box-shadow:0 4px 15px rgba(0,0,0,.06)}
.review-card .stars{color:#F8B500;font-size:1rem;margin-bottom:8px}
.review-card .review-text{color:#2D2D3A;font-size:.92rem;line-height:1.7;margin-bottom:12px;font-style:italic}
.review-card .reviewer{display:flex;align-items:center;gap:10px}
.review-card .reviewer-avatar{width:40px;height:40px;border-radius:50%;background:linear-gradient(135deg,#FF6B9D,#F8B500);display:flex;align-items:center;justify-content:center;color:#fff;font-weight:700;font-size:.9rem}
.review-card .reviewer-name{font-weight:600;font-size:.9rem}
.review-card .reviewer-date{color:#6B6B80;font-size:.8rem}

/* How-To Section */
.howto-steps{display:grid;grid-template-columns:repeat(4,1fr);gap:20px}
.howto-step{text-align:center;padding:25px 15px;background:#fff;border-radius:12px;box-shadow:0 2px 10px rgba(0,0,0,.05)}
.howto-step .step-num{width:50px;height:50px;border-radius:50%;background:linear-gradient(135deg,#FF6B9D,#C44569);color:#fff;display:flex;align-items:center;justify-content:center;font-size:1.3rem;font-weight:700;margin:0 auto 12px}
.howto-step h4{color:#1A1A2E;margin-bottom:6px}
.howto-step p{color:#6B6B80;font-size:.85rem}

/* Community Section */
.community-features{display:grid;grid-template-columns:repeat(3,1fr);gap:20px}
.community-item{background:linear-gradient(135deg,#1A1A2E,#2D2D3A);color:#fff;border-radius:12px;padding:25px;text-align:center;transition:transform .3s}
.community-item:hover{transform:translateY(-3px)}
.community-item .comm-icon{font-size:2.5rem;margin-bottom:12px}
.community-item h3{font-size:1.05rem;margin-bottom:8px;color:#FF6B9D}
.community-item p{font-size:.88rem;opacity:.8;line-height:1.6}

/* Contact Section */
.contact-grid{display:grid;grid-template-columns:1fr 1fr;gap:30px;align-items:start}
.contact-info{background:#fff;border-radius:12px;padding:30px;box-shadow:0 4px 15px rgba(0,0,0,.06)}
.contact-info h3{color:#1A1A2E;margin-bottom:15px;font-size:1.2rem}
.contact-info .info-item{display:flex;align-items:flex-start;gap:12px;margin-bottom:15px;color:#2D2D3A;font-size:.92rem}
.contact-info .info-item .label{font-weight:600;min-width:80px;color:#FF6B9D}
.contact-qr{display:flex;gap:20px;justify-content:center}
.contact-qr .qr-item{text-align:center}
.contact-qr .qr-item img{width:150px;height:150px;border-radius:8px;margin-bottom:8px}
.contact-qr .qr-item p{font-size:.85rem;color:#6B6B80}

/* Social Share */
.social-share{display:flex;gap:12px;justify-content:center;flex-wrap:wrap}
.social-share a{display:inline-flex;align-items:center;gap:6px;padding:8px 18px;border-radius:20px;font-size:.88rem;color:#fff;transition:transform .3s}
.social-share a:hover{transform:translateY(-2px)}
.share-wechat{background:#07C160}
.share-weibo{background:#E6162D}
.share-douyin{background:#000}
.share-bilibili{background:#00A1D6}

/* Footer */
.site-footer{background:linear-gradient(135deg,#1A1A2E 0%,#2D2D3A 100%);color:#fff;padding:40px 0 20px}
.footer-grid{display:grid;grid-template-columns:repeat(4,1fr);gap:30px;margin-bottom:30px}
.footer-col h4{color:#FF6B9D;margin-bottom:15px;font-size:1rem}
.footer-col p,.footer-col a{color:rgba(255,255,255,.7);font-size:.88rem;line-height:1.8}
.footer-col a:hover{color:#FF6B9D}
.footer-col ul li{margin-bottom:6px}
.footer-bottom{border-top:1px solid rgba(255,255,255,.1);padding-top:20px;text-align:center;color:rgba(255,255,255,.5);font-size:.85rem}
.footer-bottom a{color:#FF6B9D}

/* AI Section */
.ai-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:25px}
.ai-card{background:#fff;border-radius:12px;overflow:hidden;box-shadow:0 4px 15px rgba(0,0,0,.06);transition:transform .3s}
.ai-card:hover{transform:translateY(-3px)}
.ai-card .ai-img{height:180px;overflow:hidden}
.ai-card .ai-img img{width:100%;height:100%;object-fit:cover;transition:transform .5s}
.ai-card:hover .ai-img img{transform:scale(1.05)}
.ai-card .ai-info{padding:20px}
.ai-card h3{font-size:1.05rem;color:#1A1A2E;margin-bottom:8px}
.ai-card p{color:#6B6B80;font-size:.88rem;line-height:1.6}

/* Entertainment Section */
.ent-grid{display:grid;grid-template-columns:repeat(4,1fr);gap:20px}
.ent-card{position:relative;border-radius:12px;overflow:hidden;height:280px;cursor:pointer}
.ent-card img{width:100%;height:100%;object-fit:cover;transition:transform .5s}
.ent-card:hover img{transform:scale(1.1)}
.ent-card .ent-overlay{position:absolute;bottom:0;left:0;right:0;background:linear-gradient(transparent,rgba(26,26,46,.85));padding:20px 15px 15px;color:#fff}
.ent-card .ent-overlay h3{font-size:1rem;margin-bottom:4px}
.ent-card .ent-overlay p{font-size:.82rem;opacity:.8}

/* Inner Page Styles */
.page-banner{height:300px;position:relative;display:flex;align-items:center;justify-content:center;overflow:hidden}
.page-banner img{position:absolute;top:0;left:0;width:100%;height:100%;object-fit:cover}
.page-banner .banner-overlay{position:absolute;top:0;left:0;width:100%;height:100%;background:linear-gradient(135deg,rgba(26,26,46,.75),rgba(196,69,105,.45))}
.page-banner .banner-content{position:relative;z-index:2;text-align:center;color:#fff}
.page-banner h1{font-size:2.2rem;margin-bottom:8px}
.page-banner p{font-size:1.05rem;opacity:.85}

/* Breadcrumb */
.breadcrumb{padding:12px 0;font-size:.88rem;color:#6B6B80}
.breadcrumb a{color:#FF6B9D}
.breadcrumb span{margin:0 6px}

/* Video Player Page */
.video-player-wrap{background:#000;border-radius:12px;overflow:hidden;margin:20px 0;aspect-ratio:16/9}
.video-player-wrap video{width:100%;height:100%;object-fit:contain}
.video-detail{background:#fff;border-radius:12px;padding:25px;margin:20px 0;box-shadow:0 4px 15px rgba(0,0,0,.06)}
.video-detail h2{font-size:1.4rem;color:#1A1A2E;margin-bottom:10px}
.video-detail .video-stats{display:flex;gap:20px;margin-bottom:15px;color:#6B6B80;font-size:.9rem}
.video-detail .video-desc{color:#2D2D3A;font-size:.95rem;line-height:1.8}

/* Related Videos */
.related-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:20px;margin-top:20px}

/* Article Section */
.article-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:25px}
.article-card{background:#fff;border-radius:12px;overflow:hidden;box-shadow:0 4px 15px rgba(0,0,0,.06);transition:transform .3s}
.article-card:hover{transform:translateY(-3px)}
.article-card .article-img{height:180px;overflow:hidden}
.article-card .article-img img{width:100%;height:100%;object-fit:cover;transition:transform .5s}
.article-card:hover .article-img img{transform:scale(1.05)}
.article-card .article-info{padding:18px}
.article-card .article-date{display:inline-block;background:#FFF5F7;color:#FF6B9D;padding:2px 10px;border-radius:10px;font-size:.78rem;margin-bottom:8px}
.article-card h3{font-size:1rem;color:#1A1A2E;margin-bottom:8px;line-height:1.5}
.article-card p{color:#6B6B80;font-size:.88rem;line-height:1.6;margin-bottom:8px;display:-webkit-box;-webkit-line-clamp:3;-webkit-box-orient:vertical;overflow:hidden}
.article-card .article-author{color:#FF6B9D;font-size:.8rem;font-weight:600}

/* Credentials Section */
.credentials-grid{display:grid;grid-template-columns:repeat(4,1fr);gap:20px}
.credential-item{background:#fff;border-radius:12px;padding:25px;text-align:center;box-shadow:0 4px 15px rgba(0,0,0,.06);transition:transform .3s}
.credential-item:hover{transform:translateY(-3px)}
.credential-item .cred-icon{font-size:2.5rem;margin-bottom:12px}
.credential-item h4{color:#1A1A2E;margin-bottom:8px;font-size:1rem}
.credential-item p{color:#6B6B80;font-size:.85rem;line-height:1.6}

/* Dark Section */
.dark-section{background:linear-gradient(135deg,#1A1A2E,#2D2D3A);color:#fff}
.dark-section .section-title h2{color:#fff}
.dark-section .section-title p{color:rgba(255,255,255,.7)}

/* Lazy Load */
img[data-src]{opacity:0;transition:opacity .5s}
img.loaded{opacity:1}

/* 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)}
  .ent-grid{grid-template-columns:repeat(2,1fr)}
}
@media(max-width:768px){
  .article-grid{grid-template-columns:1fr}
  .credentials-grid{grid-template-columns:repeat(2,1fr)}
  .header-inner{flex-wrap:wrap}
  .main-nav{display:none;width:100%;flex-direction:column;background:#1A1A2E;position:absolute;top:100%;left:0;padding:10px 0}
  .main-nav.active{display:flex}
  .main-nav a{padding:10px 20px;border-bottom:1px solid rgba(255,255,255,.05)}
  .mobile-toggle{display:block}
  .hero{height:350px}
  .hero-content h1{font-size:1.8rem}
  .video-grid{grid-template-columns:repeat(2,1fr)}
  .services-grid{grid-template-columns:1fr}
  .ai-grid{grid-template-columns:1fr}
  .community-features{grid-template-columns:1fr}
  .howto-steps{grid-template-columns:repeat(2,1fr)}
  .review-grid{grid-template-columns:1fr}
  .contact-grid{grid-template-columns:1fr}
  .related-grid{grid-template-columns:repeat(2,1fr)}
  .ent-grid{grid-template-columns:1fr}
  .section{padding:40px 0}
}
@media(max-width:480px){
  .credentials-grid{grid-template-columns:1fr}
  .video-grid{grid-template-columns:1fr}
  .howto-steps{grid-template-columns:1fr}
  .footer-grid{grid-template-columns:1fr}
  .related-grid{grid-template-columns:1fr}
}