/* ============================================
   校花影视传媒 - 原创样式表
   品牌色系：玫瑰粉 #E8567F / 深玫瑰 #C4385A / 暖金 #D4A853 / 暗夜 #1A1A2E / 浅灰 #F5F0EB
   ============================================ */

/* --- Reset & Base --- */
*,*::before,*::after{box-sizing:border-box;margin:0;padding:0}
html{scroll-behavior:smooth;font-size:16px}
body{font-family:"PingFang SC","Microsoft YaHei","Hiragino Sans GB",Arial,sans-serif;color:#333;background:#FDFBF9;line-height:1.7}
a{color:#E8567F;text-decoration:none;transition:color .3s}
a:hover{color:#C4385A}
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:linear-gradient(135deg,#1A1A2E 0%,#2D1B3D 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-link{display:flex;align-items:center;gap:10px}
.logo-link img{height:48px;width:auto}
.logo-text{color:#fff;font-size:1.4rem;font-weight:700;letter-spacing:2px}
.logo-text span{color:#E8567F}

/* Navigation */
.main-nav ul{display:flex;gap:6px}
.main-nav a{color:#ddd;padding:8px 14px;border-radius:6px;font-size:.9rem;transition:all .3s}
.main-nav a:hover,.main-nav a.active{color:#fff;background:rgba(232,86,127,.25)}
.mobile-toggle{display:none;background:none;border:none;color:#fff;font-size:1.5rem;cursor:pointer}

/* Search Bar */
.search-bar{background:rgba(232,86,127,.08);padding:12px 0;border-bottom:1px solid rgba(232,86,127,.15)}
.search-wrap{max-width:600px;margin:0 auto;display:flex;gap:8px;padding:0 20px}
.search-wrap input{flex:1;padding:10px 16px;border:2px solid #E8567F;border-radius:25px;background:#fff;font-size:.9rem;outline:none;transition:border-color .3s}
.search-wrap input:focus{border-color:#C4385A;box-shadow:0 0 0 3px rgba(232,86,127,.15)}
.search-wrap button{padding:10px 24px;background:linear-gradient(135deg,#E8567F,#C4385A);color:#fff;border:none;border-radius:25px;cursor:pointer;font-size:.9rem;transition:transform .2s}
.search-wrap button:hover{transform:scale(1.05)}

/* --- Banner --- */
.hero-banner{position:relative;overflow:hidden;height:480px}
.banner-slide{position:absolute;inset:0;opacity:0;transition:opacity 1s ease}
.banner-slide.active{opacity:1}
.banner-slide img{width:100%;height:100%;object-fit:cover}
.banner-overlay{position:absolute;inset:0;background:linear-gradient(to right,rgba(26,26,46,.85) 0%,rgba(26,26,46,.3) 60%,transparent 100%);display:flex;align-items:center;padding-left:8%}
.banner-text h1{color:#fff;font-size:2.6rem;margin-bottom:12px;text-shadow:0 2px 10px rgba(0,0,0,.5)}
.banner-text h1 em{font-style:normal;color:#E8567F}
.banner-text p{color:rgba(255,255,255,.85);font-size:1.1rem;max-width:500px;margin-bottom:20px}
.banner-text .btn-group{display:flex;gap:12px}
.btn-primary{display:inline-block;padding:12px 28px;background:linear-gradient(135deg,#E8567F,#C4385A);color:#fff;border-radius:30px;font-weight:600;transition:all .3s;border:none;cursor:pointer}
.btn-primary:hover{transform:translateY(-2px);box-shadow:0 6px 20px rgba(232,86,127,.4);color:#fff}
.btn-outline{display:inline-block;padding:12px 28px;border:2px solid #E8567F;color:#E8567F;border-radius:30px;font-weight:600;transition:all .3s;background:transparent}
.btn-outline:hover{background:#E8567F;color:#fff}

/* --- Section Common --- */
.section{padding:60px 0}
.section-alt{background:#F5F0EB}
.section-dark{background:linear-gradient(135deg,#1A1A2E,#2D1B3D);color:#fff}
.section-title{text-align:center;margin-bottom:40px}
.section-title h2{font-size:2rem;color:#1A1A2E;margin-bottom:8px;position:relative;display:inline-block}
.section-title h2::after{content:'';position:absolute;bottom:-8px;left:50%;transform:translateX(-50%);width:60px;height:3px;background:linear-gradient(90deg,#E8567F,#D4A853);border-radius:2px}
.section-dark .section-title h2{color:#fff}
.section-title p{color:#777;font-size:1rem;margin-top:16px}

/* --- Video Cards Grid --- */
.video-grid{display:grid;grid-template-columns:repeat(4,1fr);gap:20px}
.video-card{position:relative;border-radius:12px;overflow:hidden;background:#fff;box-shadow:0 4px 15px rgba(0,0,0,.08);transition:all .3s}
.video-card:hover{transform:translateY(-6px);box-shadow:0 12px 30px rgba(232,86,127,.15)}
.video-thumb{position:relative;overflow:hidden;aspect-ratio:4/3}
.video-thumb img{width:100%;height:100%;object-fit:cover;transition:transform .5s}
.video-card:hover .video-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}
.video-card:hover .play-btn{opacity:1}
.play-btn i{width:56px;height:56px;background:rgba(232,86,127,.9);border-radius:50%;display:flex;align-items:center;justify-content:center;color:#fff;font-size:1.5rem;transition:transform .3s}
.play-btn i::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:hover .play-btn i{transform:scale(1.15)}
.video-info{padding:14px 16px}
.video-info h4{font-size:.95rem;color:#1A1A2E;margin-bottom:6px;overflow:hidden;text-overflow:ellipsis;white-space:nowrap}
.video-meta{display:flex;gap:12px;color:#999;font-size:.8rem}
.video-meta span{display:flex;align-items:center;gap:4px;font-size:.8rem}
.video-tag{display:inline-block;padding:2px 8px;background:rgba(232,86,127,.1);color:#E8567F;border-radius:10px;font-size:.75rem;margin-top:6px}

/* --- Feature Modules --- */
.feature-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:24px}
.feature-card{background:#fff;border-radius:16px;padding:32px 24px;text-align:center;box-shadow:0 4px 20px rgba(0,0,0,.06);transition:all .3s;border:1px solid rgba(232,86,127,.08)}
.feature-card:hover{transform:translateY(-4px);border-color:#E8567F;box-shadow:0 8px 30px rgba(232,86,127,.12)}
.feature-icon{width:64px;height:64px;margin:0 auto 16px;background:linear-gradient(135deg,rgba(232,86,127,.1),rgba(212,168,83,.1));border-radius:16px;display:flex;align-items:center;justify-content:center;font-size:1.8rem}
.feature-card h3{font-size:1.15rem;color:#1A1A2E;margin-bottom:10px}
.feature-card p{color:#666;font-size:.9rem;line-height:1.6}

/* --- Expert Section --- */
.expert-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:24px}
.expert-card{background:#fff;border-radius:16px;overflow:hidden;box-shadow:0 4px 20px rgba(0,0,0,.06);transition:all .3s}
.expert-card:hover{transform:translateY(-4px);box-shadow:0 8px 30px rgba(232,86,127,.12)}
.expert-avatar{width:100%;aspect-ratio:1;overflow:hidden}
.expert-avatar img{width:100%;height:100%;object-fit:cover;transition:transform .5s}
.expert-card:hover .expert-avatar img{transform:scale(1.05)}
.expert-info{padding:20px}
.expert-info h4{font-size:1.1rem;color:#1A1A2E;margin-bottom:4px}
.expert-info .role{color:#E8567F;font-size:.85rem;margin-bottom:10px}
.expert-info p{color:#666;font-size:.85rem;line-height:1.6;margin-bottom:12px}
.expert-btns{display:flex;gap:8px}
.expert-btns a{flex:1;text-align:center;padding:8px;border-radius:8px;font-size:.8rem;transition:all .3s}
.expert-btns .btn-sm-primary{background:#E8567F;color:#fff}
.expert-btns .btn-sm-outline{border:1px solid #E8567F;color:#E8567F}
.expert-btns a:hover{opacity:.85}

/* --- Brand Wall --- */
.brand-wall{display:flex;flex-wrap:wrap;justify-content:center;gap:30px;align-items:center}
.brand-wall .brand-item{width:140px;height:60px;background:#fff;border-radius:10px;display:flex;align-items:center;justify-content:center;box-shadow:0 2px 10px rgba(0,0,0,.05);padding:10px;transition:all .3s;border:1px solid #eee}
.brand-wall .brand-item:hover{border-color:#E8567F;box-shadow:0 4px 15px rgba(232,86,127,.1)}
.brand-wall .brand-item span{font-size:.85rem;color:#555;font-weight:600}

/* --- FAQ --- */
.faq-list{max-width:800px;margin:0 auto}
.faq-item{background:#fff;border-radius:12px;margin-bottom:12px;overflow:hidden;box-shadow:0 2px 10px rgba(0,0,0,.04);border:1px solid #eee}
.faq-q{padding:18px 24px;cursor:pointer;display:flex;justify-content:space-between;align-items:center;font-weight:600;color:#1A1A2E;transition:background .3s}
.faq-q:hover{background:rgba(232,86,127,.04)}
.faq-q .arrow{transition:transform .3s;color:#E8567F;font-size:1.2rem}
.faq-item.open .faq-q .arrow{transform:rotate(180deg)}
.faq-a{max-height:0;overflow:hidden;transition:max-height .4s ease,padding .4s ease;padding:0 24px}
.faq-item.open .faq-a{max-height:300px;padding:0 24px 18px}
.faq-a p{color:#666;line-height:1.7;font-size:.9rem}

/* --- Reviews --- */
.review-grid{display:grid;grid-template-columns:repeat(2,1fr);gap:20px}
.review-card{background:#fff;border-radius:12px;padding:24px;box-shadow:0 4px 15px rgba(0,0,0,.06);border-left:4px solid #E8567F;transition:all .3s}
.review-card:hover{transform:translateX(4px)}
.review-header{display:flex;align-items:center;gap:12px;margin-bottom:12px}
.review-avatar{width:44px;height:44px;border-radius:50%;background:linear-gradient(135deg,#E8567F,#D4A853);display:flex;align-items:center;justify-content:center;color:#fff;font-weight:700;font-size:1rem}
.review-name{font-weight:600;color:#1A1A2E}
.review-stars{color:#D4A853;font-size:.85rem}
.review-text{color:#555;font-size:.9rem;line-height:1.7}

/* --- Contact --- */
.contact-grid{display:grid;grid-template-columns:1fr 1fr;gap:40px;align-items:start}
.contact-info h3{color:#1A1A2E;font-size:1.3rem;margin-bottom:16px}
.contact-list{display:flex;flex-direction:column;gap:14px}
.contact-list li{display:flex;align-items:flex-start;gap:12px;color:#555;font-size:.9rem}
.contact-list .icon{width:36px;height:36px;background:rgba(232,86,127,.1);border-radius:10px;display:flex;align-items:center;justify-content:center;color:#E8567F;font-size:1rem;flex-shrink:0}
.qr-codes{display:flex;gap:24px;justify-content:center}
.qr-item{text-align:center}
.qr-item img{width:160px;height:160px;border-radius:12px;box-shadow:0 4px 15px rgba(0,0,0,.08)}
.qr-item p{margin-top:8px;color:#555;font-size:.85rem}

/* --- How To --- */
.howto-steps{display:grid;grid-template-columns:repeat(4,1fr);gap:20px;counter-reset:step}
.howto-step{text-align:center;padding:24px 16px;background:#fff;border-radius:12px;box-shadow:0 4px 15px rgba(0,0,0,.06);position:relative;counter-increment:step}
.howto-step::before{content:counter(step);width:40px;height:40px;background:linear-gradient(135deg,#E8567F,#C4385A);color:#fff;border-radius:50%;display:flex;align-items:center;justify-content:center;font-weight:700;font-size:1.1rem;margin:0 auto 12px}
.howto-step h4{color:#1A1A2E;margin-bottom:8px;font-size:1rem}
.howto-step p{color:#666;font-size:.85rem;line-height:1.6}

/* --- Footer --- */
.site-footer{background:linear-gradient(135deg,#1A1A2E 0%,#2D1B3D 100%);color:#ccc;padding:40px 0 0}
.footer-grid{display:grid;grid-template-columns:2fr 1fr 1fr 1fr;gap:30px;margin-bottom:30px}
.footer-brand .logo-footer{display:flex;align-items:center;gap:8px;margin-bottom:12px}
.footer-brand .logo-footer img{height:36px}
.footer-brand .logo-footer span{color:#fff;font-size:1.2rem;font-weight:700}
.footer-brand p{font-size:.85rem;line-height:1.7;color:#aaa}
.footer-col h4{color:#fff;font-size:1rem;margin-bottom:16px;position:relative;padding-bottom:8px}
.footer-col h4::after{content:'';position:absolute;bottom:0;left:0;width:30px;height:2px;background:#E8567F}
.footer-col ul li{margin-bottom:8px}
.footer-col ul li a{color:#aaa;font-size:.85rem;transition:color .3s}
.footer-col ul li a:hover{color:#E8567F}
.footer-social{display:flex;gap:10px;margin-top:16px}
.footer-social a{width:36px;height:36px;border-radius:50%;background:rgba(255,255,255,.1);display:flex;align-items:center;justify-content:center;color:#ccc;transition:all .3s;font-size:.85rem}
.footer-social a:hover{background:#E8567F;color:#fff}
.footer-bottom{border-top:1px solid rgba(255,255,255,.1);padding:20px 0;text-align:center;font-size:.8rem;color:#888}
.footer-bottom a{color:#E8567F}
.footer-qr{display:flex;gap:20px;justify-content:center;margin:20px 0}
.footer-qr .qr-item img{width:120px;height:120px}

/* --- Share Buttons --- */
.share-bar{display:flex;gap:8px;justify-content:center;margin-top:20px}
.share-bar a{padding:8px 16px;border-radius:20px;color:#fff;font-size:.8rem;transition:opacity .3s}
.share-bar a:hover{opacity:.85;color:#fff}
.share-wechat{background:#07C160}
.share-weibo{background:#E6162D}
.share-douyin{background:#000}
.share-bilibili{background:#FB7299}

/* --- Breadcrumb --- */
.breadcrumb{padding:12px 0;font-size:.85rem;color:#999}
.breadcrumb a{color:#E8567F}
.breadcrumb span{margin:0 6px;color:#ccc}

/* --- Responsive --- */
@media(max-width:1024px){
  .video-grid{grid-template-columns:repeat(3,1fr)}
  .feature-grid{grid-template-columns:repeat(2,1fr)}
  .expert-grid{grid-template-columns:repeat(2,1fr)}
  .footer-grid{grid-template-columns:1fr 1fr}
  .howto-steps{grid-template-columns:repeat(2,1fr)}
}
@media(max-width:768px){
  .header-inner{flex-wrap:wrap}
  .main-nav{display:none;width:100%;order:3}
  .main-nav.open{display:block}
  .main-nav ul{flex-direction:column;padding:10px 0}
  .mobile-toggle{display:block}
  .hero-banner{height:320px}
  .banner-text h1{font-size:1.6rem}
  .banner-text p{font-size:.9rem}
  .video-grid{grid-template-columns:repeat(2,1fr)}
  .feature-grid{grid-template-columns:1fr}
  .expert-grid{grid-template-columns:1fr}
  .review-grid{grid-template-columns:1fr}
  .contact-grid{grid-template-columns:1fr}
  .footer-grid{grid-template-columns:1fr}
  .howto-steps{grid-template-columns:1fr}
  .section{padding:40px 0}
  .section-title h2{font-size:1.5rem}
  .brand-wall .brand-item{width:110px;height:48px}
}
@media(max-width:480px){
  .video-grid{grid-template-columns:1fr}
  .banner-text .btn-group{flex-direction:column;gap:8px}
  .qr-codes{flex-direction:column;align-items:center}
}

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

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

/* --- MCP Service Frontend (Decorative) --- */
.mcp-widget{background:rgba(232,86,127,.05);border:1px dashed rgba(232,86,127,.2);border-radius:12px;padding:16px;text-align:center;margin:20px 0}
.mcp-widget p{color:#999;font-size:.8rem}