/* ===== 蜜桃每日更新视频 - 全站样式 ===== */
/* 域名: 857685.cn */

/* --- Reset & Base --- */
*,*::before,*::after{margin:0;padding:0;box-sizing:border-box}
html{scroll-behavior:smooth;font-size:16px}
body{font-family:-apple-system,BlinkMacSystemFont,"Segoe UI","PingFang SC","Hiragino Sans GB","Microsoft YaHei",sans-serif;color:#333;background:#f8f9fa;line-height:1.7}
a{color:#0d9488;text-decoration:none;transition:color .3s}
a:hover{color:#f97066}
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}
.section{padding:60px 0}
.section-title{text-align:center;margin-bottom:40px}
.section-title h2{font-size:28px;margin-bottom:10px;position:relative;display:inline-block}
.section-title h2::after{content:'';display:block;width:60px;height:3px;background:linear-gradient(90deg,#0d9488,#f97066);margin:10px auto 0}
.section-title p{color:#666;font-size:15px;margin-top:8px}

/* --- Header --- */
.site-header{background:#fff;box-shadow:0 2px 12px rgba(0,0,0,.08);position:sticky;top:0;z-index:1000}
.header-inner{display:flex;align-items:center;justify-content:space-between;height:70px}
.logo{display:flex;align-items:center;gap:10px}
.logo img{height:45px;width:auto}
.logo span{font-size:18px;font-weight:700;color:#1a1a2e;white-space:nowrap}
.main-nav{display:flex;align-items:center;gap:0}
.main-nav a{padding:8px 14px;font-size:14px;color:#555;font-weight:500;border-radius:6px;transition:all .3s}
.main-nav a:hover,.main-nav a.active{color:#0d9488;background:rgba(13,148,136,.08)}
.mobile-menu-btn{display:none;background:none;border:none;font-size:24px;cursor:pointer;color:#333}

/* --- Search Bar --- */
.search-bar{background:linear-gradient(135deg,#0d9488,#0f766e);padding:16px 0}
.search-form{display:flex;max-width:600px;margin:0 auto;gap:0}
.search-form input{flex:1;padding:12px 20px;border:none;border-radius:25px 0 0 25px;font-size:15px;outline:none}
.search-form button{padding:12px 28px;background:#f97066;color:#fff;border:none;border-radius:0 25px 25px 0;font-size:15px;cursor:pointer;font-weight:600;transition:background .3s}
.search-form button:hover{background:#e85d52}

/* --- Hero --- */
.hero{position:relative;overflow:hidden;background:#1a1a2e;min-height:420px;display:flex;align-items:center}
.hero-bg{position:absolute;inset:0;background-size:cover;background-position:center;opacity:.45}
.hero-content{position:relative;z-index:2;text-align:center;color:#fff;padding:60px 20px}
.hero h1{font-size:36px;margin-bottom:16px;text-shadow:0 2px 8px rgba(0,0,0,.4)}
.hero h1 em{font-style:normal;color:#5eead4}
.hero p{font-size:17px;max-width:700px;margin:0 auto 24px;opacity:.9}
.hero-tags{display:flex;flex-wrap:wrap;justify-content:center;gap:10px;margin-top:16px}
.hero-tags span{background:rgba(255,255,255,.15);backdrop-filter:blur(4px);padding:6px 16px;border-radius:20px;font-size:13px}
.hero-btn{display:inline-block;margin-top:24px;padding:14px 36px;background:linear-gradient(135deg,#0d9488,#14b8a6);color:#fff;border-radius:30px;font-size:16px;font-weight:600;transition:transform .3s,box-shadow .3s}
.hero-btn:hover{transform:translateY(-2px);box-shadow:0 8px 24px rgba(13,148,136,.4);color:#fff}

/* --- Video Card Grid --- */
.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 16px rgba(0,0,0,.06);transition:transform .3s,box-shadow .3s}
.video-card:hover{transform:translateY(-4px);box-shadow:0 8px 30px rgba(0,0,0,.12)}
.video-thumb{position:relative;padding-top:56.25%;overflow:hidden;background:#e5e7eb}
.video-thumb img{position:absolute;inset:0;width:100%;height:100%;object-fit:cover;transition:transform .4s}
.video-card:hover .video-thumb img{transform:scale(1.05)}
.play-btn{position:absolute;inset:0;display:flex;align-items:center;justify-content:center;opacity:0;transition:opacity .3s;background:rgba(0,0,0,.35)}
.video-card:hover .play-btn{opacity:1}
.play-btn svg{width:56px;height:56px;fill:#fff;filter:drop-shadow(0 2px 8px rgba(0,0,0,.3))}
.video-duration{position:absolute;bottom:8px;right:8px;background:rgba(0,0,0,.75);color:#fff;padding:2px 8px;border-radius:4px;font-size:12px}
.video-info{padding:14px 16px}
.video-info h3{font-size:15px;margin-bottom:6px;display:-webkit-box;-webkit-line-clamp:2;-webkit-box-orient:vertical;overflow:hidden}
.video-meta{display:flex;align-items:center;gap:12px;color:#999;font-size:12px}
.video-meta span{display:flex;align-items:center;gap:4px}
.video-tags{display:flex;flex-wrap:wrap;gap:6px;margin-top:8px}
.video-tags span{background:#f0fdfa;color:#0d9488;padding:2px 10px;border-radius:12px;font-size:11px}

/* --- Feature Modules --- */
.feature-grid{display:grid;grid-template-columns:repeat(auto-fill,minmax(260px,1fr));gap:24px}
.feature-card{background:#fff;border-radius:12px;padding:30px 24px;text-align:center;box-shadow:0 4px 16px rgba(0,0,0,.05);transition:transform .3s}
.feature-card:hover{transform:translateY(-4px)}
.feature-icon{width:64px;height:64px;margin:0 auto 16px;background:linear-gradient(135deg,#ccfbf1,#99f6e4);border-radius:16px;display:flex;align-items:center;justify-content:center;font-size:28px}
.feature-card h3{font-size:17px;margin-bottom:8px}
.feature-card p{color:#666;font-size:14px;line-height:1.6}

/* --- 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 16px rgba(0,0,0,.06);text-align:center;padding:30px 20px}
.expert-card img{width:100px;height:100px;border-radius:50%;object-fit:cover;margin:0 auto 14px;border:3px solid #ccfbf1}
.expert-card h4{font-size:16px;margin-bottom:4px}
.expert-card .title{color:#0d9488;font-size:13px;margin-bottom:8px}
.expert-card p{color:#666;font-size:13px;line-height:1.6;margin-bottom:12px}
.expert-card .expert-btns{display:flex;justify-content:center;gap:10px}
.expert-card .expert-btns a{padding:6px 16px;border-radius:20px;font-size:12px;font-weight:600}
.btn-primary{background:#0d9488;color:#fff}
.btn-primary:hover{background:#0f766e;color:#fff}
.btn-outline{border:1px solid #0d9488;color:#0d9488}
.btn-outline:hover{background:#0d9488;color:#fff}

/* --- Partner Logos --- */
.partner-wall{display:flex;flex-wrap:wrap;justify-content:center;gap:30px;align-items:center}
.partner-wall .partner-item{background:#fff;padding:16px 28px;border-radius:10px;box-shadow:0 2px 8px rgba(0,0,0,.05);font-size:15px;font-weight:600;color:#555;transition:transform .3s}
.partner-wall .partner-item:hover{transform:scale(1.05)}

/* --- FAQ --- */
.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,.04);overflow:hidden}
.faq-question{padding:18px 24px;font-weight:600;cursor:pointer;display:flex;justify-content:space-between;align-items:center;font-size:15px;transition:background .3s}
.faq-question:hover{background:#f0fdfa}
.faq-question::after{content:'+';font-size:20px;color:#0d9488;transition:transform .3s}
.faq-item.active .faq-question::after{transform:rotate(45deg)}
.faq-answer{padding:0 24px;max-height:0;overflow:hidden;transition:max-height .4s ease,padding .4s ease;color:#666;font-size:14px;line-height:1.7}
.faq-item.active .faq-answer{max-height:300px;padding:0 24px 18px}

/* --- Reviews --- */
.review-grid{display:grid;grid-template-columns:repeat(auto-fill,minmax(280px,1fr));gap:24px}
.review-card{background:#fff;border-radius:12px;padding:24px;box-shadow:0 4px 16px rgba(0,0,0,.05)}
.review-card .stars{color:#f59e0b;font-size:16px;margin-bottom:10px}
.review-card p{color:#555;font-size:14px;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:36px;height:36px;border-radius:50%;background:linear-gradient(135deg,#0d9488,#14b8a6);display:flex;align-items:center;justify-content:center;color:#fff;font-size:14px;font-weight:700}
.review-card .reviewer .name{font-weight:600;font-size:13px}
.review-card .reviewer .date{color:#999;font-size:12px}

/* --- How To Join --- */
.howto-steps{display:grid;grid-template-columns:repeat(auto-fill,minmax(220px,1fr));gap:24px;max-width:960px;margin:0 auto}
.howto-step{text-align:center;padding:24px 16px}
.howto-step .step-num{width:48px;height:48px;border-radius:50%;background:linear-gradient(135deg,#0d9488,#14b8a6);color:#fff;display:flex;align-items:center;justify-content:center;font-size:20px;font-weight:700;margin:0 auto 14px}
.howto-step h4{font-size:15px;margin-bottom:6px}
.howto-step p{color:#666;font-size:13px}

/* --- Contact Section --- */
.contact-grid{display:grid;grid-template-columns:repeat(auto-fill,minmax(280px,1fr));gap:24px}
.contact-card{background:#fff;border-radius:12px;padding:24px;box-shadow:0 4px 16px rgba(0,0,0,.05);text-align:center}
.contact-card h4{font-size:16px;margin-bottom:12px;color:#0d9488}
.contact-card p{color:#666;font-size:14px;line-height:1.8}

/* --- Share Buttons --- */
.share-bar{display:flex;justify-content:center;gap:12px;flex-wrap:wrap}
.share-btn{display:inline-flex;align-items:center;gap:6px;padding:8px 20px;border-radius:20px;font-size:13px;font-weight:600;color:#fff;transition:transform .3s}
.share-btn:hover{transform:translateY(-2px);color:#fff}
.share-wechat{background:#07c160}
.share-weibo{background:#e6162d}
.share-douyin{background:#161823}
.share-bilibili{background:#00a1d6}

/* --- Footer --- */
.site-footer{background:#1a1a2e;color:#ccc;padding:50px 0 0}
.footer-grid{display:grid;grid-template-columns:repeat(auto-fit,minmax(220px,1fr));gap:30px;margin-bottom:30px}
.footer-col h4{color:#fff;font-size:16px;margin-bottom:14px}
.footer-col p,.footer-col a{color:#aaa;font-size:13px;line-height:2}
.footer-col a:hover{color:#5eead4}
.footer-qr{display:flex;gap:20px;margin-top:10px}
.footer-qr img{width:100px;height:100px;border-radius:8px;border:2px solid rgba(255,255,255,.1)}
.footer-bottom{border-top:1px solid rgba(255,255,255,.1);padding:20px 0;text-align:center;font-size:13px;color:#888}
.footer-bottom a{color:#5eead4}

/* --- Breadcrumb --- */
.breadcrumb{padding:14px 0;font-size:13px;color:#999}
.breadcrumb a{color:#0d9488}
.breadcrumb span{margin:0 6px}

/* --- Page Header --- */
.page-header{background:linear-gradient(135deg,#0d9488,#0f766e);color:#fff;padding:50px 0;text-align:center}
.page-header h1{font-size:30px;margin-bottom:8px;color:#fff}
.page-header p{opacity:.85;font-size:15px}

/* --- Content Sections --- */
.content-section{background:#fff;border-radius:12px;padding:30px;margin-bottom:24px;box-shadow:0 4px 16px rgba(0,0,0,.05)}
.content-section h2{font-size:22px;margin-bottom:16px;color:#1a1a2e}
.content-section h3{font-size:18px;margin-bottom:12px;color:#0d9488}
.content-section p{color:#555;font-size:15px;line-height:1.8;margin-bottom:14px}

/* --- Responsive --- */
@media(max-width:768px){
  .header-inner{flex-wrap:wrap}
  .main-nav{display:none;width:100%;flex-direction:column;padding:10px 0}
  .main-nav.open{display:flex}
  .mobile-menu-btn{display:block}
  .hero h1{font-size:24px}
  .hero p{font-size:14px}
  .section{padding:40px 0}
  .section-title h2{font-size:22px}
  .video-grid{grid-template-columns:repeat(auto-fill,minmax(240px,1fr))}
  .footer-grid{grid-template-columns:1fr}
  .search-form{margin:0 16px}
  .logo span{font-size:14px}
}
@media(max-width:480px){
  .video-grid{grid-template-columns:1fr}
  .feature-grid{grid-template-columns:1fr}
  .expert-grid{grid-template-columns:1fr}
  .review-grid{grid-template-columns:1fr}
  .hero h1{font-size:20px}
}

/* --- Lazy Load --- */
img.lazy{opacity:0;transition:opacity .5s}
img.lazy.loaded{opacity:1}

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

/* --- Utility --- */
.text-center{text-align:center}
.mt-20{margin-top:20px}
.mb-20{margin-bottom:20px}
.bg-light{background:#f0fdfa}
.bg-white{background:#fff}