/* ========================================
   蜜桃每日更新视频 - 全站样式表
   131797.cn
   ======================================== */

/* CSS Reset & Base */
*,*::before,*::after{box-sizing:border-box;margin:0;padding:0}
html{scroll-behavior:smooth;font-size:16px}
body{font-family:-apple-system,BlinkMacSystemFont,"Segoe UI","PingFang SC","Hiragino Sans GB","Microsoft YaHei",sans-serif;line-height:1.6;color:#333;background:#f8f9fa;overflow-x:hidden}
a{color:#e74c3c;text-decoration:none;transition:color .3s}
a:hover{color:#c0392b}
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:#1a1a2e}

/* Container */
.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:45px;width:auto}
.logo-text{color:#fff;font-size:18px;font-weight:700}
.logo-text span{color:#e74c3c}

/* Navigation */
.main-nav ul{display:flex;gap:5px}
.main-nav a{color:#ccc;padding:8px 14px;border-radius:6px;font-size:14px;transition:all .3s}
.main-nav a:hover,.main-nav a.active{color:#fff;background:rgba(231,76,60,.8)}
.mobile-toggle{display:none;background:none;border:none;color:#fff;font-size:24px;cursor:pointer}

/* Search Bar */
.search-bar{background:linear-gradient(135deg,#16213e,#1a1a2e);padding:12px 0}
.search-form{display:flex;max-width:600px;margin:0 auto;gap:8px;padding:0 20px}
.search-form input{flex:1;padding:10px 16px;border:2px solid #e74c3c;border-radius:25px;background:#fff;font-size:14px;outline:none;transition:border-color .3s}
.search-form input:focus{border-color:#c0392b;box-shadow:0 0 8px rgba(231,76,60,.3)}
.search-form button{padding:10px 24px;background:#e74c3c;color:#fff;border:none;border-radius:25px;cursor:pointer;font-size:14px;transition:background .3s}
.search-form button:hover{background:#c0392b}

/* ========== Hero Section ========== */
.hero{position:relative;height:500px;overflow:hidden;background:#1a1a2e}
.hero-bg{width:100%;height:100%;object-fit:cover;opacity:.6}
.hero-overlay{position:absolute;top:0;left:0;right:0;bottom:0;background:linear-gradient(135deg,rgba(26,26,46,.9),rgba(231,76,60,.3));display:flex;align-items:center;justify-content:center;text-align:center}
.hero-content{max-width:700px;padding:20px}
.hero-content h1{color:#fff;font-size:36px;margin-bottom:15px;text-shadow:2px 2px 4px rgba(0,0,0,.5)}
.hero-content p{color:rgba(255,255,255,.9);font-size:18px;margin-bottom:25px}
.hero-tags{display:flex;flex-wrap:wrap;gap:8px;justify-content:center;margin-bottom:20px}
.hero-tags span{background:rgba(231,76,60,.7);color:#fff;padding:4px 12px;border-radius:15px;font-size:13px}
.btn-primary{display:inline-block;padding:12px 32px;background:#e74c3c;color:#fff;border-radius:25px;font-size:16px;font-weight:600;transition:all .3s;border:none;cursor:pointer}
.btn-primary:hover{background:#c0392b;transform:translateY(-2px);box-shadow:0 5px 15px rgba(231,76,60,.4);color:#fff}
.btn-outline{display:inline-block;padding:10px 28px;border:2px solid #e74c3c;color:#e74c3c;border-radius:25px;font-size:14px;transition:all .3s}
.btn-outline:hover{background:#e74c3c;color:#fff}

/* ========== Section Common ========== */
.section{padding:60px 0}
.section-alt{background:#fff}
.section-dark{background:#1a1a2e;color:#fff}
.section-dark h2,.section-dark h3{color:#fff}
.section-header{text-align:center;margin-bottom:40px}
.section-header h2{font-size:28px;margin-bottom:10px;position:relative;display:inline-block}
.section-header h2::after{content:'';display:block;width:60px;height:3px;background:#e74c3c;margin:10px auto 0}
.section-header p{color:#666;font-size:15px;max-width:600px;margin:0 auto}
.section-dark .section-header p{color:rgba(255,255,255,.7)}

/* ========== Video Cards ========== */
.video-grid{display:grid;grid-template-columns:repeat(auto-fill,minmax(280px,1fr));gap:24px}
.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}
.video-card:hover{transform:translateY(-5px);box-shadow:0 8px 25px rgba(0,0,0,.15)}
.video-thumb{position:relative;padding-top:56.25%;overflow:hidden;background:#000}
.video-thumb img{position:absolute;top:0;left:0;width:100%;height:100%;object-fit:cover;transition:transform .3s}
.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(231,76,60,.9);border-radius:50%;display:flex;align-items:center;justify-content:center;opacity:0;transition:opacity .3s}
.play-btn::after{content:'';border-left:20px solid #fff;border-top:12px solid transparent;border-bottom:12px solid transparent;margin-left:4px}
.video-card:hover .play-btn{opacity:1}
.video-duration{position:absolute;bottom:8px;right:8px;background:rgba(0,0,0,.8);color:#fff;padding:2px 8px;border-radius:4px;font-size:12px}
.video-info{padding:15px}
.video-info h3{font-size:15px;margin-bottom:8px;display:-webkit-box;-webkit-line-clamp:2;-webkit-box-orient:vertical;overflow:hidden}
.video-meta{display:flex;gap:12px;color:#999;font-size:12px}
.video-meta span{display:flex;align-items:center;gap:4px}
.video-tags{display:flex;gap:6px;margin-top:8px;flex-wrap:wrap}
.video-tags span{background:#fef0ef;color:#e74c3c;padding:2px 8px;border-radius:10px;font-size:11px}

/* ========== Module Grid ========== */
.module-grid{display:grid;grid-template-columns:repeat(auto-fill,minmax(260px,1fr));gap:24px}
.module-card{background:#fff;border-radius:12px;padding:30px;text-align:center;box-shadow:0 4px 15px rgba(0,0,0,.06);transition:all .3s}
.module-card:hover{transform:translateY(-5px);box-shadow:0 8px 25px rgba(0,0,0,.12)}
.module-icon{width:64px;height:64px;margin:0 auto 15px;background:linear-gradient(135deg,#e74c3c,#f39c12);border-radius:16px;display:flex;align-items:center;justify-content:center;font-size:28px;color:#fff}
.module-card h3{font-size:17px;margin-bottom:8px}
.module-card p{color:#666;font-size:13px;line-height:1.5}

/* ========== Expert Section ========== */
.expert-grid{display:grid;grid-template-columns:repeat(auto-fill,minmax(260px,1fr));gap:24px}
.expert-card{background:#fff;border-radius:12px;overflow:hidden;box-shadow:0 4px 15px rgba(0,0,0,.08);text-align:center;transition:all .3s}
.expert-card:hover{transform:translateY(-5px)}
.expert-card img{width:120px;height:120px;border-radius:50%;object-fit:cover;margin:25px auto 15px;border:3px solid #e74c3c}
.expert-card h3{font-size:16px;margin-bottom:5px}
.expert-card .title{color:#e74c3c;font-size:13px;margin-bottom:10px}
.expert-card p{color:#666;font-size:13px;padding:0 20px;margin-bottom:15px}
.expert-actions{display:flex;gap:8px;justify-content:center;padding:0 20px 20px}
.expert-actions a{padding:6px 16px;border-radius:20px;font-size:12px}

/* ========== Partner Logos ========== */
.partner-wall{display:flex;flex-wrap:wrap;gap:20px;justify-content:center;align-items:center}
.partner-wall .partner-item{background:#fff;padding:15px 25px;border-radius:8px;box-shadow:0 2px 8px rgba(0,0,0,.06);font-size:14px;font-weight:600;color:#555;transition:all .3s}
.partner-wall .partner-item:hover{box-shadow:0 4px 15px rgba(0,0,0,.12);transform:translateY(-2px)}

/* ========== How-To Section ========== */
.howto-steps{display:grid;grid-template-columns:repeat(auto-fill,minmax(250px,1fr));gap:24px;counter-reset:step}
.howto-step{background:#fff;border-radius:12px;padding:30px;position:relative;box-shadow:0 4px 15px rgba(0,0,0,.06)}
.howto-step::before{counter-increment:step;content:counter(step);position:absolute;top:-12px;left:20px;width:36px;height:36px;background:#e74c3c;color:#fff;border-radius:50%;display:flex;align-items:center;justify-content:center;font-weight:700;font-size:16px}
.howto-step h3{margin-bottom:8px;font-size:16px;padding-top:5px}
.howto-step p{color:#666;font-size:13px}

/* ========== FAQ Section ========== */
.faq-list{max-width:800px;margin:0 auto}
.faq-item{background:#fff;border-radius:10px;margin-bottom:12px;box-shadow:0 2px 8px rgba(0,0,0,.06);overflow:hidden}
.faq-question{padding:18px 24px;cursor:pointer;display:flex;justify-content:space-between;align-items:center;font-weight:600;font-size:15px;transition:background .3s}
.faq-question:hover{background:#fef0ef}
.faq-question::after{content:'+';font-size:20px;color:#e74c3c;transition:transform .3s}
.faq-item.active .faq-question::after{transform:rotate(45deg)}
.faq-answer{padding:0 24px;max-height:0;overflow:hidden;transition:all .3s;color:#666;font-size:14px;line-height:1.7}
.faq-item.active .faq-answer{padding:0 24px 18px;max-height:300px}

/* ========== Reviews ========== */
.review-grid{display:grid;grid-template-columns:repeat(auto-fill,minmax(280px,1fr));gap:20px}
.review-card{background:#fff;border-radius:12px;padding:24px;box-shadow:0 4px 15px rgba(0,0,0,.06)}
.review-header{display:flex;align-items:center;gap:12px;margin-bottom:12px}
.review-avatar{width:45px;height:45px;border-radius:50%;background:#e74c3c;color:#fff;display:flex;align-items:center;justify-content:center;font-weight:700;font-size:18px}
.review-name{font-weight:600;font-size:14px}
.review-date{color:#999;font-size:12px}
.review-stars{color:#f39c12;margin-bottom:8px;font-size:14px}
.review-text{color:#555;font-size:13px;line-height:1.6}

/* ========== Contact Section ========== */
.contact-grid{display:grid;grid-template-columns:repeat(auto-fill,minmax(250px,1fr));gap:24px}
.contact-card{background:#fff;border-radius:12px;padding:24px;text-align:center;box-shadow:0 4px 15px rgba(0,0,0,.06)}
.contact-card h3{font-size:16px;margin-bottom:10px;color:#e74c3c}
.contact-card p{color:#666;font-size:13px;line-height:1.6}

/* ========== Footer ========== */
.site-footer{background:#0f0f23;color:#aaa;padding:40px 0 20px}
.footer-grid{display:grid;grid-template-columns:repeat(auto-fill,minmax(220px,1fr));gap:30px;margin-bottom:30px}
.footer-col h4{color:#fff;font-size:16px;margin-bottom:15px;position:relative;padding-bottom:10px}
.footer-col h4::after{content:'';position:absolute;bottom:0;left:0;width:30px;height:2px;background:#e74c3c}
.footer-col p,.footer-col li{font-size:13px;line-height:1.8;color:#888}
.footer-col a{color:#888;transition:color .3s}
.footer-col a:hover{color:#e74c3c}
.footer-qr{display:flex;gap:20px;margin-top:10px}
.footer-qr img{width:100px;height:100px;border-radius:8px}
.footer-qr-label{font-size:11px;text-align:center;margin-top:5px;color:#888}
.footer-bottom{border-top:1px solid #222;padding-top:20px;text-align:center;font-size:12px}
.footer-bottom p{margin-bottom:5px}

/* Social Share */
.social-share{display:flex;gap:10px;justify-content:center;margin-top:15px;flex-wrap:wrap}
.social-share a{display:inline-flex;align-items:center;gap:5px;padding:6px 14px;border-radius:20px;font-size:12px;color:#fff;transition:all .3s}
.social-share a:hover{transform:translateY(-2px);color:#fff}
.share-wechat{background:#07c160}
.share-weibo{background:#e6162d}
.share-douyin{background:#161823}
.share-bilibili{background:#00a1d6}

/* ========== Breadcrumb ========== */
.breadcrumb{padding:12px 0;font-size:13px;color:#999}
.breadcrumb a{color:#666}
.breadcrumb a:hover{color:#e74c3c}
.breadcrumb span{margin:0 6px}

/* ========== Inner Page ========== */
.page-hero{background:linear-gradient(135deg,#1a1a2e,#16213e);padding:50px 0;text-align:center}
.page-hero h1{color:#fff;font-size:30px;margin-bottom:10px}
.page-hero p{color:rgba(255,255,255,.7);font-size:15px}
.page-content{padding:40px 0}

/* ========== Responsive ========== */
@media(max-width:768px){
  .header-inner{flex-wrap:wrap}
  .mobile-toggle{display:block}
  .main-nav{display:none;width:100%;order:3}
  .main-nav.active{display:block}
  .main-nav ul{flex-direction:column;padding:10px 0}
  .main-nav a{display:block;padding:10px 15px}
  .hero{height:350px}
  .hero-content h1{font-size:24px}
  .hero-content p{font-size:14px}
  .section{padding:40px 0}
  .section-header h2{font-size:22px}
  .video-grid,.module-grid,.expert-grid,.review-grid,.contact-grid{grid-template-columns:1fr}
  .footer-grid{grid-template-columns:1fr 1fr}
  .search-form{flex-direction:column}
  .search-form button{width:100%}
}
@media(max-width:480px){
  .footer-grid{grid-template-columns:1fr}
  .hero{height:280px}
  .hero-content h1{font-size:20px}
}

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