/* 哔咔漫画 - 全站样式表 */
/* xiongdibashi.com */

/* ===== 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","Helvetica Neue",Arial,sans-serif;color:#333;line-height:1.7;background:#f8f9fa}
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:#222}

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

/* ===== Header ===== */
.site-header{background:linear-gradient(135deg,#1a1a2e 0%,#16213e 50%,#0f3460 100%);color:#fff;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:12px 20px;max-width:1200px;margin:0 auto}
.logo-area{display:flex;align-items:center;gap:12px}
.logo-area img{height:48px;width:auto}
.logo-area h1{font-size:1.3rem;color:#fff;white-space:nowrap}
.logo-area h1 span{color:#e74c3c}

/* Navigation */
.main-nav ul{display:flex;gap:6px}
.main-nav a{color:#ddd;padding:8px 16px;border-radius:6px;font-size:.95rem;transition:all .3s}
.main-nav a:hover,.main-nav a.active{color:#fff;background:rgba(231,76,60,.8)}

/* Mobile Menu */
.menu-toggle{display:none;background:none;border:none;color:#fff;font-size:1.5rem;cursor:pointer}

/* Search Bar */
.search-bar{background:rgba(255,255,255,.05);border-bottom:1px solid rgba(255,255,255,.1);padding:10px 0}
.search-bar .container{display:flex;justify-content:center}
.search-box{display:flex;max-width:600px;width:100%}
.search-box input{flex:1;padding:10px 18px;border:2px solid rgba(231,76,60,.5);border-right:none;border-radius:25px 0 0 25px;background:rgba(255,255,255,.95);font-size:.95rem;outline:none;transition:border-color .3s}
.search-box input:focus{border-color:#e74c3c}
.search-box button{padding:10px 24px;background:linear-gradient(135deg,#e74c3c,#c0392b);color:#fff;border:none;border-radius:0 25px 25px 0;cursor:pointer;font-size:.95rem;transition:background .3s}
.search-box button:hover{background:linear-gradient(135deg,#c0392b,#a93226)}

/* ===== Hero Section ===== */
.hero{position:relative;background:linear-gradient(135deg,rgba(26,26,46,.9),rgba(15,52,96,.8)),url('../images/hero-banner.jpg') center/cover;min-height:500px;display:flex;align-items:center;color:#fff;overflow:hidden}
.hero-content{max-width:700px;padding:60px 0}
.hero h2{font-size:2.5rem;margin-bottom:16px;text-shadow:2px 2px 8px rgba(0,0,0,.5)}
.hero h2 span{color:#e74c3c}
.hero p{font-size:1.15rem;margin-bottom:28px;opacity:.9;line-height:1.8}
.hero-btns{display:flex;gap:16px;flex-wrap:wrap}
.btn{display:inline-block;padding:12px 32px;border-radius:30px;font-size:1rem;font-weight:600;transition:all .3s;cursor:pointer;border:none}
.btn-primary{background:linear-gradient(135deg,#e74c3c,#c0392b);color:#fff;box-shadow:0 4px 15px rgba(231,76,60,.4)}
.btn-primary:hover{transform:translateY(-2px);box-shadow:0 6px 20px rgba(231,76,60,.6);color:#fff}
.btn-outline{background:transparent;color:#fff;border:2px solid rgba(255,255,255,.6)}
.btn-outline:hover{background:rgba(255,255,255,.15);color:#fff}

/* ===== Breadcrumb ===== */
.breadcrumb{padding:12px 0;font-size:.85rem;color:#888}
.breadcrumb a{color:#e74c3c}
.breadcrumb span{margin:0 8px;color:#ccc}

/* ===== Section Common ===== */
.section{padding:60px 0}
.section-alt{background:#fff}
.section-dark{background:linear-gradient(135deg,#1a1a2e,#16213e);color:#fff}
.section-title{text-align:center;margin-bottom:48px}
.section-title h2{font-size:2rem;margin-bottom:12px;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,#e74c3c,#f39c12);border-radius:2px}
.section-title p{color:#777;font-size:1.05rem;margin-top:16px}
.section-dark .section-title 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 20px rgba(0,0,0,.08);transition:all .3s}
.video-card:hover{transform:translateY(-6px);box-shadow:0 8px 30px 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 .5s}
.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;cursor:pointer}
.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:.8rem}
.video-info{padding:16px}
.video-info h3{font-size:1rem;margin-bottom:8px;display:-webkit-box;-webkit-line-clamp:2;-webkit-box-orient:vertical;overflow:hidden}
.video-meta{display:flex;gap:16px;color:#999;font-size:.85rem}
.video-meta span{display:flex;align-items:center;gap:4px}
.video-tags{display:flex;gap:6px;margin-top:10px;flex-wrap:wrap}
.video-tags span{background:#f0f0f0;color:#666;padding:2px 10px;border-radius:12px;font-size:.75rem}

/* ===== Feature Grid ===== */
.feature-grid{display:grid;grid-template-columns:repeat(auto-fill,minmax(260px,1fr));gap:24px}
.feature-card{background:#fff;border-radius:12px;padding:32px 24px;text-align:center;box-shadow:0 4px 20px rgba(0,0,0,.06);transition:all .3s}
.feature-card:hover{transform:translateY(-4px);box-shadow:0 8px 30px rgba(0,0,0,.12)}
.feature-icon{width:64px;height:64px;margin:0 auto 20px;background:linear-gradient(135deg,#e74c3c,#f39c12);border-radius:16px;display:flex;align-items:center;justify-content:center;font-size:1.8rem;color:#fff}
.feature-card h3{font-size:1.15rem;margin-bottom:10px}
.feature-card p{color:#777;font-size:.92rem;line-height:1.6}

/* ===== Image Cards ===== */
.img-grid{display:grid;grid-template-columns:repeat(auto-fill,minmax(300px,1fr));gap:24px}
.img-card{border-radius:12px;overflow:hidden;position:relative;box-shadow:0 4px 20px rgba(0,0,0,.08);transition:all .3s}
.img-card:hover{transform:translateY(-4px);box-shadow:0 8px 30px rgba(0,0,0,.15)}
.img-card img{width:100%;height:220px;object-fit:cover;transition:transform .5s}
.img-card:hover img{transform:scale(1.05)}
.img-card-overlay{position:absolute;bottom:0;left:0;right:0;background:linear-gradient(transparent,rgba(0,0,0,.8));padding:20px;color:#fff}
.img-card-overlay h3{font-size:1.1rem;margin-bottom:4px}
.img-card-overlay p{font-size:.85rem;opacity:.8}

/* ===== Expert Section ===== */
.expert-grid{display:grid;grid-template-columns:repeat(auto-fill,minmax(260px,1fr));gap:24px}
.expert-card{background:#fff;border-radius:12px;padding:32px 24px;text-align:center;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(0,0,0,.12)}
.expert-avatar{width:100px;height:100px;border-radius:50%;margin:0 auto 16px;object-fit:cover;border:3px solid #e74c3c}
.expert-card h3{font-size:1.1rem;margin-bottom:6px}
.expert-card .role{color:#e74c3c;font-size:.9rem;margin-bottom:12px}
.expert-card p{color:#777;font-size:.88rem;line-height:1.6;margin-bottom:16px}
.expert-links{display:flex;gap:10px;justify-content:center}
.expert-links a{padding:6px 16px;border-radius:20px;font-size:.85rem;border:1px solid #e74c3c;color:#e74c3c;transition:all .3s}
.expert-links a:hover{background:#e74c3c;color:#fff}

/* ===== Partner Logos ===== */
.partner-wall{display:flex;flex-wrap:wrap;justify-content:center;gap:32px;align-items:center}
.partner-wall .partner-item{background:#fff;padding:20px 30px;border-radius:10px;box-shadow:0 2px 10px rgba(0,0,0,.06);font-size:1.1rem;font-weight:700;color:#555;transition:all .3s}
.partner-wall .partner-item:hover{box-shadow:0 4px 20px rgba(0,0,0,.12);transform:translateY(-2px)}

/* ===== How-To Guide ===== */
.howto-steps{display:grid;grid-template-columns:repeat(auto-fill,minmax(240px,1fr));gap:24px;counter-reset:step}
.howto-step{background:#fff;border-radius:12px;padding:32px 24px;text-align:center;box-shadow:0 4px 20px rgba(0,0,0,.06);position:relative;counter-increment:step}
.howto-step::before{content:counter(step);position:absolute;top:-16px;left:50%;transform:translateX(-50%);width:36px;height:36px;background:linear-gradient(135deg,#e74c3c,#c0392b);color:#fff;border-radius:50%;display:flex;align-items:center;justify-content:center;font-weight:700;font-size:1.1rem}
.howto-step h4{margin-top:8px;margin-bottom:10px;font-size:1.05rem}
.howto-step p{color:#777;font-size:.9rem}

/* ===== FAQ ===== */
.faq-list{max-width:800px;margin:0 auto}
.faq-item{background:#fff;border-radius:10px;margin-bottom:12px;box-shadow:0 2px 10px rgba(0,0,0,.05);overflow:hidden}
.faq-question{padding:18px 24px;font-weight:600;cursor:pointer;display:flex;justify-content:space-between;align-items:center;transition:background .3s}
.faq-question:hover{background:#f8f8f8}
.faq-question::after{content:'+';font-size:1.4rem;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;line-height:1.8}
.faq-item.active .faq-answer{padding:0 24px 18px;max-height:500px}

/* ===== Reviews ===== */
.review-grid{display:grid;grid-template-columns:repeat(auto-fill,minmax(280px,1fr));gap:24px}
.review-card{background:#fff;border-radius:12px;padding:28px;box-shadow:0 4px 20px rgba(0,0,0,.06)}
.review-stars{color:#f39c12;font-size:1.1rem;margin-bottom:12px}
.review-card p{color:#555;font-size:.95rem;line-height:1.7;margin-bottom:16px;font-style:italic}
.review-author{display:flex;align-items:center;gap:12px}
.review-author .avatar{width:40px;height:40px;border-radius:50%;background:linear-gradient(135deg,#e74c3c,#f39c12);display:flex;align-items:center;justify-content:center;color:#fff;font-weight:700;font-size:.9rem}
.review-author .info span{display:block}
.review-author .info .name{font-weight:600;font-size:.9rem}
.review-author .info .date{color:#999;font-size:.8rem}

/* ===== 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:28px;box-shadow:0 4px 20px rgba(0,0,0,.06);text-align:center}
.contact-card h4{font-size:1.05rem;margin-bottom:12px;color:#e74c3c}
.contact-card p{color:#666;font-size:.92rem;line-height:1.7}
.contact-card img{max-width:160px;margin:12px auto 0;border-radius:8px}

/* ===== Footer ===== */
.site-footer{background:linear-gradient(135deg,#1a1a2e,#0f3460);color:rgba(255,255,255,.8);padding:48px 0 0}
.footer-grid{display:grid;grid-template-columns:repeat(auto-fill,minmax(220px,1fr));gap:32px;margin-bottom:32px}
.footer-col h4{color:#fff;font-size:1.05rem;margin-bottom:16px;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 a{color:rgba(255,255,255,.65);font-size:.9rem;line-height:1.8}
.footer-col a:hover{color:#e74c3c}
.footer-col ul li{margin-bottom:6px}
.footer-qr{display:flex;gap:20px;margin-top:12px}
.footer-qr img{width:100px;height:100px;border-radius:8px;border:2px solid rgba(255,255,255,.2)}
.footer-qr-label{text-align:center;font-size:.8rem;margin-top:4px;color:rgba(255,255,255,.5)}
.footer-bottom{border-top:1px solid rgba(255,255,255,.1);padding:20px 0;text-align:center;font-size:.85rem}
.footer-bottom p{color:rgba(255,255,255,.5)}

/* Social Share */
.social-share{display:flex;gap:12px;justify-content:center;margin:16px 0}
.social-share a{width:40px;height:40px;border-radius:50%;display:flex;align-items:center;justify-content:center;color:#fff;font-size:.9rem;transition:all .3s}
.social-share a:hover{transform:translateY(-3px);color:#fff}
.share-wechat{background:#07c160}
.share-weibo{background:#e6162d}
.share-douyin{background:#161823}
.share-bilibili{background:#00a1d6}

/* ===== Responsive ===== */
@media(max-width:992px){
  .header-inner{flex-wrap:wrap}
  .main-nav{width:100%;order:3}
  .main-nav ul{flex-wrap:wrap;justify-content:center}
  .hero h2{font-size:2rem}
  .hero{min-height:400px}
}
@media(max-width:768px){
  .menu-toggle{display:block}
  .main-nav{display:none;width:100%;order:3}
  .main-nav.active{display:block}
  .main-nav ul{flex-direction:column;padding:12px 0}
  .main-nav a{display:block;padding:10px 16px}
  .hero h2{font-size:1.6rem}
  .hero-content{padding:40px 0}
  .hero{min-height:350px}
  .section{padding:40px 0}
  .section-title h2{font-size:1.6rem}
  .video-grid{grid-template-columns:repeat(auto-fill,minmax(240px,1fr))}
  .footer-grid{grid-template-columns:1fr 1fr}
}
@media(max-width:480px){
  .header-inner{padding:10px 16px}
  .logo-area h1{font-size:1rem}
  .logo-area img{height:36px}
  .hero h2{font-size:1.3rem}
  .btn{padding:10px 24px;font-size:.9rem}
  .video-grid{grid-template-columns:1fr}
  .feature-grid{grid-template-columns:1fr}
  .footer-grid{grid-template-columns:1fr}
}

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

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