/* ========================================
   校花影视传媒 - 原创样式表
   品牌：校花 | 域名：pqzug8a.cn
   配色：樱花红 #E8375A / 深紫 #2D1B69 / 暖橙 #FF8C42
   ======================================== */

/* CSS Reset & Base */
*,*::before,*::after{box-sizing:border-box;margin:0;padding:0}
html{scroll-behavior:smooth;font-size:16px}
body{font-family:"PingFang SC","Hiragino Sans GB","Microsoft YaHei","WenQuanYi Micro Hei",sans-serif;color:#1A1A2E;background:#FFF5F7;line-height:1.7;overflow-x:hidden}
a{color:#E8375A;text-decoration:none;transition:color .3s}
a:hover{color:#FF8C42}
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:#2D1B69}

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

/* ===== Header ===== */
.xh-header{background:linear-gradient(135deg,#2D1B69 0%,#E8375A 100%);position:sticky;top:0;z-index:1000;box-shadow:0 2px 20px rgba(45,27,105,.3)}
.xh-header-inner{display:flex;align-items:center;justify-content:space-between;padding:10px 20px;max-width:1200px;margin:0 auto}
.xh-logo{display:flex;align-items:center;gap:10px}
.xh-logo img{height:50px;width:auto}
.xh-logo-text{color:#fff;font-size:1.5rem;font-weight:800;letter-spacing:2px}
.xh-logo-text span{color:#FF8C42}

/* Navigation */
.xh-nav{display:flex;align-items:center;gap:0}
.xh-nav a{color:rgba(255,255,255,.9);padding:12px 16px;font-size:.9rem;font-weight:500;transition:all .3s;border-bottom:3px solid transparent;white-space:nowrap}
.xh-nav a:hover,.xh-nav a.active{color:#fff;border-bottom-color:#FF8C42;background:rgba(255,255,255,.1)}
.xh-menu-toggle{display:none;background:none;border:none;color:#fff;font-size:1.5rem;cursor:pointer;padding:8px}

/* Search Bar */
.xh-search-bar{background:rgba(45,27,105,.08);padding:12px 0;border-bottom:1px solid rgba(232,55,90,.1)}
.xh-search-inner{max-width:1200px;margin:0 auto;padding:0 20px;display:flex;align-items:center;gap:12px}
.xh-search-input{flex:1;max-width:500px;padding:10px 18px;border:2px solid #E8375A;border-radius:25px;font-size:.95rem;outline:none;transition:border-color .3s;background:#fff}
.xh-search-input:focus{border-color:#FF8C42;box-shadow:0 0 0 3px rgba(232,55,90,.15)}
.xh-search-btn{background:linear-gradient(135deg,#E8375A,#FF8C42);color:#fff;border:none;padding:10px 24px;border-radius:25px;cursor:pointer;font-size:.95rem;font-weight:600;transition:transform .2s,box-shadow .2s}
.xh-search-btn:hover{transform:translateY(-1px);box-shadow:0 4px 12px rgba(232,55,90,.4)}
.xh-search-hot{display:flex;align-items:center;gap:8px;font-size:.8rem;color:#666;flex-wrap:wrap}
.xh-search-hot a{color:#E8375A;font-size:.8rem}

/* ===== Banner ===== */
.xh-banner{position:relative;overflow:hidden;height:420px}
.xh-banner-slide{position:absolute;inset:0;opacity:0;transition:opacity .8s}
.xh-banner-slide.active{opacity:1}
.xh-banner-slide img{width:100%;height:100%;object-fit:cover}
.xh-banner-overlay{position:absolute;inset:0;background:linear-gradient(to right,rgba(45,27,105,.7) 0%,transparent 60%);display:flex;align-items:center;padding:0 60px}
.xh-banner-text{color:#fff;max-width:500px}
.xh-banner-text h1{font-size:2.4rem;margin-bottom:12px;text-shadow:2px 2px 8px rgba(0,0,0,.3)}
.xh-banner-text p{font-size:1.1rem;opacity:.9;margin-bottom:20px}
.xh-banner-btn{display:inline-block;background:linear-gradient(135deg,#E8375A,#FF8C42);color:#fff;padding:12px 32px;border-radius:30px;font-weight:600;transition:transform .2s,box-shadow .2s}
.xh-banner-btn:hover{transform:translateY(-2px);box-shadow:0 6px 20px rgba(232,55,90,.4);color:#fff}
.xh-banner-dots{position:absolute;bottom:20px;left:50%;transform:translateX(-50%);display:flex;gap:10px}
.xh-banner-dots span{width:12px;height:12px;border-radius:50%;background:rgba(255,255,255,.5);cursor:pointer;transition:background .3s}
.xh-banner-dots span.active{background:#FF8C42}

/* ===== Section Common ===== */
.xh-section{padding:60px 0}
.xh-section-alt{background:#fff}
.xh-section-title{text-align:center;margin-bottom:40px}
.xh-section-title h2{font-size:2rem;color:#2D1B69;position:relative;display:inline-block;padding-bottom:12px}
.xh-section-title h2::after{content:"";position:absolute;bottom:0;left:50%;transform:translateX(-50%);width:60px;height:4px;background:linear-gradient(90deg,#E8375A,#FF8C42);border-radius:2px}
.xh-section-title p{color:#666;margin-top:10px;font-size:1rem}

/* ===== Video Card Grid ===== */
.xh-video-grid{display:grid;grid-template-columns:repeat(4,1fr);gap:24px}
.xh-video-card{background:#fff;border-radius:12px;overflow:hidden;box-shadow:0 4px 16px rgba(45,27,105,.08);transition:transform .3s,box-shadow .3s}
.xh-video-card:hover{transform:translateY(-6px);box-shadow:0 12px 32px rgba(232,55,90,.15)}
.xh-video-thumb{position:relative;padding-top:56.25%;overflow:hidden}
.xh-video-thumb img{position:absolute;inset:0;width:100%;height:100%;object-fit:cover;transition:transform .4s}
.xh-video-card:hover .xh-video-thumb img{transform:scale(1.05)}
.xh-video-play{position:absolute;inset:0;display:flex;align-items:center;justify-content:center;background:rgba(45,27,105,.3);opacity:0;transition:opacity .3s;cursor:pointer}
.xh-video-card:hover .xh-video-play{opacity:1}
.xh-video-play-icon{width:60px;height:60px;background:rgba(232,55,90,.9);border-radius:50%;display:flex;align-items:center;justify-content:center;transition:transform .2s}
.xh-video-play-icon::after{content:"";border-style:solid;border-width:12px 0 12px 20px;border-color:transparent transparent transparent #fff;margin-left:4px}
.xh-video-play:hover .xh-video-play-icon{transform:scale(1.1)}
.xh-video-info{padding:14px 16px}
.xh-video-info h3{font-size:.95rem;color:#2D1B69;margin-bottom:6px;display:-webkit-box;-webkit-line-clamp:2;-webkit-box-orient:vertical;overflow:hidden}
.xh-video-meta{display:flex;align-items:center;gap:12px;font-size:.8rem;color:#999}
.xh-video-meta span{display:flex;align-items:center;gap:3px}
.xh-video-tag{display:inline-block;background:rgba(232,55,90,.1);color:#E8375A;padding:2px 8px;border-radius:10px;font-size:.75rem;margin-top:6px}

/* ===== Expert Section ===== */
.xh-expert-grid{display:grid;grid-template-columns:repeat(4,1fr);gap:24px}
.xh-expert-card{background:#fff;border-radius:12px;padding:30px 20px;text-align:center;box-shadow:0 4px 16px rgba(45,27,105,.08);transition:transform .3s}
.xh-expert-card:hover{transform:translateY(-4px)}
.xh-expert-avatar{width:100px;height:100px;border-radius:50%;margin:0 auto 16px;overflow:hidden;border:3px solid #E8375A}
.xh-expert-avatar img{width:100%;height:100%;object-fit:cover}
.xh-expert-card h4{color:#2D1B69;font-size:1.1rem;margin-bottom:4px}
.xh-expert-card .xh-expert-role{color:#E8375A;font-size:.85rem;margin-bottom:10px}
.xh-expert-card p{font-size:.85rem;color:#666;margin-bottom:14px}
.xh-expert-btns{display:flex;gap:8px;justify-content:center}
.xh-btn-sm{padding:6px 16px;border-radius:20px;font-size:.8rem;font-weight:600;border:none;cursor:pointer;transition:all .3s}
.xh-btn-primary{background:linear-gradient(135deg,#E8375A,#FF8C42);color:#fff}
.xh-btn-outline{background:transparent;border:1.5px solid #E8375A;color:#E8375A}
.xh-btn-outline:hover{background:#E8375A;color:#fff}

/* ===== AI Feature Section ===== */
.xh-ai-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:24px}
.xh-ai-card{background:#fff;border-radius:12px;padding:30px;text-align:center;box-shadow:0 4px 16px rgba(45,27,105,.08);transition:transform .3s;border-top:4px solid #E8375A}
.xh-ai-card:hover{transform:translateY(-4px)}
.xh-ai-icon{font-size:2.5rem;margin-bottom:14px}
.xh-ai-card h4{color:#2D1B69;margin-bottom:8px;font-size:1.1rem}
.xh-ai-card p{color:#666;font-size:.9rem}

/* ===== Community Section ===== */
.xh-community-wrap{display:grid;grid-template-columns:1fr 1fr;gap:30px;align-items:center}
.xh-community-img{border-radius:12px;overflow:hidden;box-shadow:0 8px 24px rgba(45,27,105,.12)}
.xh-community-img img{width:100%;display:block}
.xh-community-text h3{font-size:1.5rem;color:#2D1B69;margin-bottom:12px}
.xh-community-text p{color:#666;margin-bottom:16px;font-size:.95rem}
.xh-community-features{display:grid;grid-template-columns:1fr 1fr;gap:12px}
.xh-community-feat{display:flex;align-items:center;gap:8px;font-size:.9rem;color:#1A1A2E}
.xh-community-feat::before{content:"";width:8px;height:8px;background:#E8375A;border-radius:50%;flex-shrink:0}

/* ===== FAQ Section ===== */
.xh-faq-list{max-width:800px;margin:0 auto}
.xh-faq-item{background:#fff;border-radius:10px;margin-bottom:12px;box-shadow:0 2px 8px rgba(45,27,105,.06);overflow:hidden}
.xh-faq-q{padding:18px 24px;font-weight:600;color:#2D1B69;cursor:pointer;display:flex;justify-content:space-between;align-items:center;transition:background .3s}
.xh-faq-q:hover{background:rgba(232,55,90,.04)}
.xh-faq-q::after{content:"+";font-size:1.3rem;color:#E8375A;transition:transform .3s}
.xh-faq-item.open .xh-faq-q::after{transform:rotate(45deg)}
.xh-faq-a{padding:0 24px;max-height:0;overflow:hidden;transition:max-height .4s,padding .4s;color:#666;font-size:.9rem;line-height:1.8}
.xh-faq-item.open .xh-faq-a{max-height:300px;padding:0 24px 18px}

/* ===== Reviews Section ===== */
.xh-review-grid{display:grid;grid-template-columns:repeat(2,1fr);gap:24px}
.xh-review-card{background:#fff;border-radius:12px;padding:24px;box-shadow:0 4px 16px rgba(45,27,105,.08)}
.xh-review-header{display:flex;align-items:center;gap:12px;margin-bottom:12px}
.xh-review-avatar{width:48px;height:48px;border-radius:50%;background:linear-gradient(135deg,#E8375A,#FF8C42);display:flex;align-items:center;justify-content:center;color:#fff;font-weight:700;font-size:1.1rem}
.xh-review-name{font-weight:600;color:#2D1B69}
.xh-review-date{font-size:.8rem;color:#999}
.xh-review-stars{color:#FF8C42;margin-bottom:8px;font-size:.9rem}
.xh-review-text{color:#666;font-size:.9rem;line-height:1.7}

/* ===== Partner Section ===== */
.xh-partner-grid{display:flex;justify-content:center;align-items:center;gap:40px;flex-wrap:wrap}
.xh-partner-item{width:140px;height:80px;background:#fff;border-radius:10px;display:flex;align-items:center;justify-content:center;box-shadow:0 2px 8px rgba(45,27,105,.06);padding:10px;filter:grayscale(.5);transition:filter .3s,transform .3s}
.xh-partner-item:hover{filter:grayscale(0);transform:scale(1.05)}

/* ===== How-To Section ===== */
.xh-howto-steps{display:grid;grid-template-columns:repeat(4,1fr);gap:24px;text-align:center}
.xh-howto-step{background:#fff;border-radius:12px;padding:30px 20px;box-shadow:0 4px 16px rgba(45,27,105,.08)}
.xh-howto-num{width:50px;height:50px;border-radius:50%;background:linear-gradient(135deg,#E8375A,#FF8C42);color:#fff;display:flex;align-items:center;justify-content:center;font-size:1.3rem;font-weight:700;margin:0 auto 14px}
.xh-howto-step h4{color:#2D1B69;margin-bottom:8px}
.xh-howto-step p{color:#666;font-size:.85rem}

/* ===== Contact Section ===== */
.xh-contact-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:24px}
.xh-contact-card{background:#fff;border-radius:12px;padding:24px;text-align:center;box-shadow:0 4px 16px rgba(45,27,105,.08)}
.xh-contact-card h4{color:#2D1B69;margin-bottom:10px}
.xh-contact-card p{color:#666;font-size:.9rem;margin-bottom:4px}
.xh-contact-qr{max-width:160px;margin:12px auto 0;border-radius:8px;overflow:hidden}

/* ===== Share Buttons ===== */
.xh-share-bar{display:flex;justify-content:center;gap:16px;padding:20px 0}
.xh-share-btn{display:flex;align-items:center;gap:6px;padding:8px 20px;border-radius:20px;font-size:.85rem;font-weight:600;color:#fff;cursor:pointer;transition:transform .2s}
.xh-share-btn:hover{transform:translateY(-2px);color:#fff}
.xh-share-wechat{background:#07C160}
.xh-share-weibo{background:#E6162D}
.xh-share-douyin{background:#1A1A2E}
.xh-share-bilibili{background:#00A1D6}

/* ===== Footer ===== */
.xh-footer{background:linear-gradient(135deg,#2D1B69 0%,#1A1A2E 100%);color:rgba(255,255,255,.8);padding:40px 0 20px}
.xh-footer-inner{display:grid;grid-template-columns:1fr 1fr 1fr;gap:30px;max-width:1200px;margin:0 auto;padding:0 20px}
.xh-footer h4{color:#FF8C42;margin-bottom:14px;font-size:1rem}
.xh-footer p,.xh-footer a{font-size:.85rem;color:rgba(255,255,255,.7)}
.xh-footer a:hover{color:#FF8C42}
.xh-footer-links{display:flex;flex-direction:column;gap:6px}
.xh-footer-qr{display:flex;gap:16px}
.xh-footer-qr-item{text-align:center}
.xh-footer-qr-item img{width:100px;border-radius:6px;margin-bottom:4px}
.xh-footer-qr-item span{font-size:.75rem;color:rgba(255,255,255,.6)}
.xh-footer-bottom{text-align:center;padding-top:20px;margin-top:20px;border-top:1px solid rgba(255,255,255,.1);font-size:.8rem;color:rgba(255,255,255,.5)}
.xh-footer-logo{display:flex;align-items:center;gap:8px;margin-bottom:10px}
.xh-footer-logo img{height:36px}

/* ===== Breadcrumb ===== */
.xh-breadcrumb{padding:14px 0;font-size:.85rem;color:#666}
.xh-breadcrumb a{color:#E8375A}
.xh-breadcrumb span{margin:0 6px;color:#ccc}

/* ===== Inner Page ===== */
.xh-page-banner{height:260px;position:relative;overflow:hidden}
.xh-page-banner img{width:100%;height:100%;object-fit:cover}
.xh-page-banner-overlay{position:absolute;inset:0;background:linear-gradient(to right,rgba(45,27,105,.8),rgba(232,55,90,.4));display:flex;align-items:center;justify-content:center}
.xh-page-banner-overlay h1{color:#fff;font-size:2.2rem;text-shadow:2px 2px 8px rgba(0,0,0,.3)}
.xh-article{max-width:900px;margin:0 auto;padding:40px 20px}
.xh-article h2{color:#2D1B69;font-size:1.6rem;margin:30px 0 14px;padding-left:14px;border-left:4px solid #E8375A}
.xh-article h3{color:#E8375A;font-size:1.2rem;margin:20px 0 10px}
.xh-article p{color:#444;margin-bottom:14px;text-indent:2em}
.xh-article-tags{display:flex;gap:8px;flex-wrap:wrap;margin:20px 0}
.xh-article-tags a{background:rgba(232,55,90,.1);color:#E8375A;padding:4px 12px;border-radius:15px;font-size:.8rem}

/* ===== MCP Placeholder ===== */
.xh-mcp-widget{background:linear-gradient(135deg,rgba(232,55,90,.05),rgba(45,27,105,.05));border:1px dashed #E8375A;border-radius:12px;padding:30px;text-align:center;margin:20px 0}
.xh-mcp-widget p{color:#666;font-size:.9rem}

/* ===== Responsive ===== */
@media(max-width:1024px){
  .xh-video-grid{grid-template-columns:repeat(3,1fr)}
  .xh-expert-grid{grid-template-columns:repeat(2,1fr)}
  .xh-howto-steps{grid-template-columns:repeat(2,1fr)}
}
@media(max-width:768px){
  .xh-nav{display:none;position:absolute;top:100%;left:0;right:0;background:#2D1B69;flex-direction:column;padding:10px 0}
  .xh-nav.open{display:flex}
  .xh-nav a{padding:12px 24px;border-bottom:1px solid rgba(255,255,255,.1)}
  .xh-menu-toggle{display:block}
  .xh-banner{height:280px}
  .xh-banner-text h1{font-size:1.6rem}
  .xh-banner-overlay{padding:0 24px}
  .xh-video-grid{grid-template-columns:repeat(2,1fr)}
  .xh-expert-grid{grid-template-columns:1fr}
  .xh-ai-grid{grid-template-columns:1fr}
  .xh-community-wrap{grid-template-columns:1fr}
  .xh-review-grid{grid-template-columns:1fr}
  .xh-contact-grid{grid-template-columns:1fr}
  .xh-howto-steps{grid-template-columns:1fr}
  .xh-footer-inner{grid-template-columns:1fr}
  .xh-search-inner{flex-wrap:wrap}
  .xh-search-hot{display:none}
  .xh-section{padding:40px 0}
  .xh-page-banner{height:180px}
}
@media(max-width:480px){
  .xh-video-grid{grid-template-columns:1fr}
  .xh-share-bar{flex-wrap:wrap}
}

/* Lazy Load Placeholder */
img[loading="lazy"]{background:#f0e8f0;min-height:100px}

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