/* ========================================
   蜜桃每日更新视频 - 全站样式表
   品牌色: #FF6B6B (珊瑚红) / #FF8E53 (暖橙)
   ======================================== */

/* 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;color:#333;background:#fff;line-height:1.7;overflow-x:hidden}
a{color:#FF6B6B;text-decoration:none;transition:color .3s}
a:hover{color:#FF8E53}
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:#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-wrap{display:flex;align-items:center;gap:10px}
.logo-wrap img{height:45px;width:auto}
.logo-wrap .brand-name{color:#fff;font-size:1.2rem;font-weight:700}
.logo-wrap .brand-name span{color:#FF6B6B}

/* Navigation */
.main-nav ul{display:flex;gap:5px}
.main-nav a{color:#ccc;padding:8px 16px;border-radius:6px;font-size:.95rem;transition:all .3s}
.main-nav a:hover,.main-nav a.active{color:#fff;background:linear-gradient(135deg,#FF6B6B,#FF8E53)}
.mobile-toggle{display:none;background:none;border:none;color:#fff;font-size:1.5rem;cursor:pointer}

/* Search Bar */
.search-bar{background:linear-gradient(135deg,#16213e,#1a1a2e);padding:12px 0;border-bottom:1px solid rgba(255,255,255,.05)}
.search-bar .container{display:flex;justify-content:center}
.search-form{display:flex;max-width:600px;width:100%}
.search-form input{flex:1;padding:10px 18px;border:2px solid #FF6B6B;border-right:none;border-radius:25px 0 0 25px;background:#0f0f23;color:#fff;font-size:.95rem;outline:none}
.search-form input::placeholder{color:#666}
.search-form input:focus{border-color:#FF8E53}
.search-form button{padding:10px 24px;background:linear-gradient(135deg,#FF6B6B,#FF8E53);color:#fff;border:none;border-radius:0 25px 25px 0;cursor:pointer;font-size:.95rem;transition:opacity .3s}
.search-form button:hover{opacity:.9}

/* Banner / Hero */
.hero-section{position:relative;height:480px;overflow:hidden}
.hero-section img{width:100%;height:100%;object-fit:cover}
.hero-overlay{position:absolute;inset:0;background:linear-gradient(to right,rgba(26,26,46,.9) 0%,rgba(26,26,46,.4) 100%);display:flex;align-items:center}
.hero-content{max-width:1200px;margin:0 auto;padding:0 40px;color:#fff}
.hero-content h1{font-size:2.5rem;margin-bottom:15px;line-height:1.3}
.hero-content h1 span{color:#FF6B6B}
.hero-content p{font-size:1.15rem;color:#ccc;margin-bottom:25px;max-width:550px}
.hero-btn{display:inline-block;padding:12px 35px;background:linear-gradient(135deg,#FF6B6B,#FF8E53);color:#fff;border-radius:30px;font-size:1.05rem;font-weight:600;transition:transform .3s,box-shadow .3s}
.hero-btn:hover{transform:translateY(-2px);box-shadow:0 8px 25px rgba(255,107,107,.4);color:#fff}

/* Section Common */
.section{padding:60px 0}
.section-dark{background:#f8f9fa}
.section-title{text-align:center;margin-bottom:45px}
.section-title h2{font-size:1.9rem;color:#1a1a2e;margin-bottom:10px}
.section-title h2 span{color:#FF6B6B}
.section-title p{color:#666;font-size:1rem}
.section-title .tag{display:inline-block;background:linear-gradient(135deg,#FF6B6B,#FF8E53);color:#fff;padding:4px 14px;border-radius:15px;font-size:.8rem;margin-bottom:10px}

/* Video Card Grid */
.video-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:25px}
.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 12px 30px rgba(0,0,0,.15)}
.video-thumb{position:relative;padding-top:56.25%;overflow:hidden}
.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 i{width:60px;height:60px;background:rgba(255,107,107,.9);border-radius:50%;display:flex;align-items:center;justify-content:center;color:#fff;font-size:1.5rem}
.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-info{padding:15px}
.video-info h3{font-size:1rem;color:#1a1a2e;margin-bottom:8px;display:-webkit-box;-webkit-line-clamp:2;-webkit-box-orient:vertical;overflow:hidden}
.video-meta{display:flex;gap:15px;color:#999;font-size:.82rem}
.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:#fff0f0;color:#FF6B6B;padding:2px 10px;border-radius:10px;font-size:.75rem}

/* Feature Cards */
.feature-grid{display:grid;grid-template-columns:repeat(4,1fr);gap:25px}
.feature-card{background:#fff;border-radius:12px;padding:30px 20px;text-align:center;box-shadow:0 4px 15px rgba(0,0,0,.06);transition:transform .3s}
.feature-card:hover{transform:translateY(-5px)}
.feature-icon{width:65px;height:65px;margin:0 auto 18px;background:linear-gradient(135deg,#FF6B6B,#FF8E53);border-radius:16px;display:flex;align-items:center;justify-content:center;color:#fff;font-size:1.8rem}
.feature-card h3{font-size:1.05rem;color:#1a1a2e;margin-bottom:8px}
.feature-card p{color:#666;font-size:.88rem;line-height:1.6}

/* Expert Section */
.expert-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:30px}
.expert-card{background:#fff;border-radius:12px;padding:30px;text-align:center;box-shadow:0 4px 15px rgba(0,0,0,.06);transition:transform .3s}
.expert-card:hover{transform:translateY(-5px)}
.expert-card img{width:100px;height:100px;border-radius:50%;object-fit:cover;margin:0 auto 15px;border:3px solid #FF6B6B}
.expert-card h3{font-size:1.1rem;color:#1a1a2e;margin-bottom:5px}
.expert-card .role{color:#FF6B6B;font-size:.85rem;margin-bottom:10px}
.expert-card p{color:#666;font-size:.88rem;line-height:1.6;margin-bottom:15px}
.expert-btns{display:flex;gap:10px;justify-content:center}
.expert-btns a{padding:6px 18px;border-radius:20px;font-size:.82rem;transition:all .3s}
.expert-btns .btn-primary{background:linear-gradient(135deg,#FF6B6B,#FF8E53);color:#fff}
.expert-btns .btn-outline{border:1px solid #FF6B6B;color:#FF6B6B}
.expert-btns .btn-outline:hover{background:#FF6B6B;color:#fff}

/* FAQ Section */
.faq-list{max-width:800px;margin:0 auto}
.faq-item{border:1px solid #eee;border-radius:10px;margin-bottom:12px;overflow:hidden}
.faq-question{padding:18px 22px;background:#fff;cursor:pointer;display:flex;justify-content:space-between;align-items:center;font-weight:600;color:#1a1a2e;transition:background .3s}
.faq-question:hover{background:#fff5f5}
.faq-question::after{content:"+";font-size:1.3rem;color:#FF6B6B;transition:transform .3s}
.faq-item.active .faq-question::after{transform:rotate(45deg)}
.faq-answer{padding:0 22px;max-height:0;overflow:hidden;transition:max-height .4s ease,padding .4s ease;color:#666;font-size:.92rem;line-height:1.8}
.faq-item.active .faq-answer{max-height:300px;padding:0 22px 18px}

/* Reviews */
.review-grid{display:grid;grid-template-columns:repeat(2,1fr);gap:25px}
.review-card{background:#fff;border-radius:12px;padding:25px;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:linear-gradient(135deg,#FF6B6B,#FF8E53);display:flex;align-items:center;justify-content:center;color:#fff;font-weight:700;font-size:1.1rem}
.review-name{font-weight:600;color:#1a1a2e}
.review-date{color:#999;font-size:.8rem}
.review-stars{color:#FFB800;margin-bottom:8px;font-size:.9rem}
.review-text{color:#555;font-size:.92rem;line-height:1.7}

/* Partners */
.partner-logos{display:flex;flex-wrap:wrap;justify-content:center;gap:30px;align-items:center}
.partner-logos .partner-item{background:#f8f9fa;padding:15px 30px;border-radius:10px;font-size:1.1rem;font-weight:700;color:#999;transition:color .3s}
.partner-logos .partner-item:hover{color:#FF6B6B}

/* How-To Guide */
.howto-steps{display:grid;grid-template-columns:repeat(4,1fr);gap:25px;margin-top:30px}
.howto-step{text-align:center;position:relative}
.step-num{width:50px;height:50px;background:linear-gradient(135deg,#FF6B6B,#FF8E53);border-radius:50%;display:flex;align-items:center;justify-content:center;color:#fff;font-size:1.3rem;font-weight:700;margin:0 auto 15px}
.howto-step h4{font-size:1rem;color:#1a1a2e;margin-bottom:8px}
.howto-step p{color:#666;font-size:.85rem}

/* Contact Section */
.contact-grid{display:grid;grid-template-columns:repeat(2,1fr);gap:40px;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{font-size:1.2rem;color:#1a1a2e;margin-bottom:20px;padding-bottom:10px;border-bottom:2px solid #FF6B6B}
.contact-item{display:flex;gap:12px;margin-bottom:18px;align-items:flex-start}
.contact-icon{width:40px;height:40px;background:linear-gradient(135deg,#FF6B6B,#FF8E53);border-radius:10px;display:flex;align-items:center;justify-content:center;color:#fff;font-size:1rem;flex-shrink:0}
.contact-item .label{font-weight:600;color:#1a1a2e;font-size:.9rem}
.contact-item .value{color:#666;font-size:.88rem}
.qrcode-wrap{display:flex;gap:25px;justify-content:center}
.qrcode-item{text-align:center}
.qrcode-item img{width:150px;height:150px;border-radius:10px;margin-bottom:8px}
.qrcode-item p{font-size:.85rem;color:#666}

/* Share Buttons */
.share-bar{display:flex;gap:12px;justify-content:center;flex-wrap:wrap;margin-top:20px}
.share-btn{display:inline-flex;align-items:center;gap:6px;padding:8px 20px;border-radius:25px;color:#fff;font-size:.88rem;transition:opacity .3s}
.share-btn:hover{opacity:.85;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:40px 0 0}
.footer-top{display:grid;grid-template-columns:2fr 1fr 1fr 1fr;gap:30px;padding-bottom:30px;border-bottom:1px solid rgba(255,255,255,.1)}
.footer-brand .brand-name{color:#fff;font-size:1.3rem;font-weight:700;margin-bottom:10px}
.footer-brand .brand-name span{color:#FF6B6B}
.footer-brand p{font-size:.88rem;line-height:1.7;color:#999}
.footer-col h4{color:#fff;font-size:1rem;margin-bottom:15px;position:relative;padding-bottom:8px}
.footer-col h4::after{content:"";position:absolute;bottom:0;left:0;width:30px;height:2px;background:#FF6B6B}
.footer-col a{display:block;color:#999;font-size:.88rem;padding:4px 0;transition:color .3s}
.footer-col a:hover{color:#FF6B6B}
.footer-bottom{text-align:center;padding:20px 0;font-size:.82rem;color:#666}
.footer-bottom a{color:#FF6B6B}

/* Breadcrumb */
.breadcrumb{padding:15px 0;font-size:.88rem;color:#999}
.breadcrumb a{color:#FF6B6B}
.breadcrumb span{margin:0 8px;color:#ccc}

/* Inner Page Content */
.page-hero{background:linear-gradient(135deg,#1a1a2e,#16213e);padding:50px 0;text-align:center;color:#fff}
.page-hero h1{font-size:2rem;margin-bottom:10px}
.page-hero h1 span{color:#FF6B6B}
.page-hero p{color:#ccc;font-size:1rem}
.content-section{padding:50px 0}
.content-section h2{font-size:1.6rem;color:#1a1a2e;margin-bottom:20px}
.content-section h2 span{color:#FF6B6B}
.content-section p{color:#555;line-height:1.8;margin-bottom:15px}

/* Recommend Sidebar */
.page-layout{display:grid;grid-template-columns:1fr 320px;gap:30px}
.sidebar{position:sticky;top:80px}
.sidebar-widget{background:#fff;border-radius:12px;padding:20px;box-shadow:0 4px 15px rgba(0,0,0,.06);margin-bottom:20px}
.sidebar-widget h3{font-size:1rem;color:#1a1a2e;margin-bottom:15px;padding-bottom:8px;border-bottom:2px solid #FF6B6B}
.sidebar-video{display:flex;gap:10px;margin-bottom:12px}
.sidebar-video img{width:100px;height:60px;border-radius:6px;object-fit:cover}
.sidebar-video .info h4{font-size:.85rem;color:#333;display:-webkit-box;-webkit-line-clamp:2;-webkit-box-orient:vertical;overflow:hidden}
.sidebar-video .info span{font-size:.75rem;color:#999}

/* Responsive */
@media(max-width:1024px){
  .video-grid{grid-template-columns:repeat(2,1fr)}
  .feature-grid{grid-template-columns:repeat(2,1fr)}
  .expert-grid{grid-template-columns:repeat(2,1fr)}
  .footer-top{grid-template-columns:1fr 1fr}
  .page-layout{grid-template-columns:1fr}
  .sidebar{position:static}
}
@media(max-width:768px){
  .main-nav{display:none;position:absolute;top:100%;left:0;right:0;background:#1a1a2e;padding:15px;border-top:1px solid rgba(255,255,255,.1)}
  .main-nav.active{display:block}
  .main-nav ul{flex-direction:column}
  .mobile-toggle{display:block}
  .hero-section{height:350px}
  .hero-content h1{font-size:1.8rem}
  .video-grid{grid-template-columns:1fr}
  .feature-grid{grid-template-columns:1fr}
  .expert-grid{grid-template-columns:1fr}
  .review-grid{grid-template-columns:1fr}
  .howto-steps{grid-template-columns:repeat(2,1fr)}
  .contact-grid{grid-template-columns:1fr}
  .footer-top{grid-template-columns:1fr}
  .qrcode-wrap{flex-direction:column;align-items:center}
  .section{padding:40px 0}
  .section-title h2{font-size:1.5rem}
  .header-inner{padding:8px 15px}
}
@media(max-width:480px){
  .howto-steps{grid-template-columns:1fr}
  .hero-section{height:280px}
  .hero-content h1{font-size:1.4rem}
  .search-form input{padding:8px 14px}
}

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

/* Animation */
@keyframes fadeInUp{from{opacity:0;transform:translateY(30px)}to{opacity:1;transform:translateY(0)}}
.animate-in{animation:fadeInUp .6s ease forwards}