/* ============================================
   同人动漫 - 全站样式表
   品牌色: 赛车红 #E63946 | 深海蓝 #1D3557 | 琥珀橙 #F4A261
   背景: 暗夜黑 #0D1117 | 文字: 月白 #F1FAEE | 卡片: 碳灰 #161B22
   ============================================ */

/* === Reset & Base === */
*,*::before,*::after{margin:0;padding:0;box-sizing:border-box}
html{scroll-behavior:smooth;font-size:16px}
body{font-family:'PingFang SC','Microsoft YaHei','Helvetica Neue',Arial,sans-serif;background:#0D1117;color:#F1FAEE;line-height:1.7;overflow-x:hidden}
a{color:#F4A261;text-decoration:none;transition:color .3s}
a:hover{color:#E63946}
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:#F1FAEE}

/* === Layout === */
.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:2rem;color:#F1FAEE;position:relative;display:inline-block;padding-bottom:12px}
.section-title h2::after{content:'';position:absolute;bottom:0;left:50%;transform:translateX(-50%);width:60px;height:3px;background:linear-gradient(90deg,#E63946,#F4A261)}
.section-title p{color:#8B949E;margin-top:10px;font-size:.95rem}

/* === Header === */
.site-header{position:fixed;top:0;left:0;width:100%;z-index:1000;background:rgba(13,17,23,.95);backdrop-filter:blur(10px);border-bottom:1px solid rgba(230,57,70,.2);transition:all .3s}
.header-inner{display:flex;align-items:center;justify-content:space-between;height:70px;max-width:1200px;margin:0 auto;padding:0 20px}
.logo{display:flex;align-items:center;gap:10px}
.logo img{height:45px;width:auto}
.logo span{font-size:1.4rem;font-weight:800;color:#E63946;letter-spacing:1px}

/* === Navigation === */
.main-nav ul{display:flex;gap:6px}
.main-nav a{display:block;padding:8px 14px;font-size:.9rem;color:#C9D1D9;border-radius:6px;transition:all .3s;white-space:nowrap}
.main-nav a:hover,.main-nav a.active{color:#F1FAEE;background:rgba(230,57,70,.15)}
.mobile-toggle{display:none;flex-direction:column;gap:5px;cursor:pointer;padding:5px}
.mobile-toggle span{width:24px;height:2px;background:#F1FAEE;transition:all .3s}

/* === Search Bar === */
.search-bar{background:#161B22;border-bottom:1px solid #21262D;padding:12px 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;background:#0D1117;border:1px solid #30363D;border-right:none;border-radius:8px 0 0 8px;color:#F1FAEE;font-size:.95rem;outline:none;transition:border-color .3s}
.search-box input:focus{border-color:#E63946}
.search-box input::placeholder{color:#484F58}
.search-box button{padding:10px 24px;background:linear-gradient(135deg,#E63946,#C62828);color:#fff;border:none;border-radius:0 8px 8px 0;cursor:pointer;font-size:.95rem;transition:all .3s}
.search-box button:hover{background:linear-gradient(135deg,#F4A261,#E63946)}

/* === Banner === */
.hero-banner{position:relative;height:520px;margin-top:70px;overflow:hidden;display:flex;align-items:center}
.hero-banner .banner-bg{position:absolute;inset:0;background-size:cover;background-position:center;filter:brightness(.6)}
.hero-banner .banner-overlay{position:absolute;inset:0;background:linear-gradient(90deg,rgba(13,17,23,.92) 0%,rgba(13,17,23,.6) 50%,transparent 100%)}
.hero-content{position:relative;z-index:2;max-width:600px;padding:0 20px}
.hero-content h1{font-size:2.6rem;margin-bottom:16px;line-height:1.2}
.hero-content h1 .brand{color:#E63946;font-size:3rem}
.hero-content p{font-size:1.05rem;color:#C9D1D9;margin-bottom:24px;line-height:1.8}
.hero-content .hero-tags{display:flex;flex-wrap:wrap;gap:8px;margin-bottom:20px}
.hero-content .hero-tags span{padding:4px 12px;background:rgba(230,57,70,.15);border:1px solid rgba(230,57,70,.3);border-radius:20px;font-size:.8rem;color:#F4A261}
.hero-btns{display:flex;gap:12px;flex-wrap:wrap}
.btn{display:inline-flex;align-items:center;gap:6px;padding:12px 28px;border-radius:8px;font-size:.95rem;font-weight:600;cursor:pointer;transition:all .3s;border:none}
.btn-primary{background:linear-gradient(135deg,#E63946,#C62828);color:#fff}
.btn-primary:hover{transform:translateY(-2px);box-shadow:0 6px 20px rgba(230,57,70,.4);color:#fff}
.btn-outline{background:transparent;border:1px solid #F4A261;color:#F4A261}
.btn-outline:hover{background:#F4A261;color:#0D1117}

/* === Video Card Grid === */
.video-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:24px}
.video-card{position:relative;border-radius:12px;overflow:hidden;background:#161B22;border:1px solid #21262D;transition:all .3s;cursor:pointer}
.video-card:hover{transform:translateY(-6px);box-shadow:0 12px 30px rgba(230,57,70,.2);border-color:#E63946}
.video-card .thumb{position:relative;aspect-ratio:3/4;overflow:hidden}
.video-card .thumb img{width:100%;height:100%;object-fit:cover;transition:transform .5s}
.video-card:hover .thumb img{transform:scale(1.05)}
.video-card .play-btn{position:absolute;inset:0;display:flex;align-items:center;justify-content:center;background:rgba(0,0,0,.4);opacity:0;transition:opacity .3s}
.video-card:hover .play-btn{opacity:1}
.play-btn .play-icon{width:60px;height:60px;background:rgba(230,57,70,.9);border-radius:50%;display:flex;align-items:center;justify-content:center;transition:transform .3s}
.play-btn .play-icon::after{content:'';border-style:solid;border-width:10px 0 10px 18px;border-color:transparent transparent transparent #fff;margin-left:4px}
.video-card:hover .play-icon{transform:scale(1.1)}
.video-card .card-info{padding:14px}
.video-card .card-title{font-size:.95rem;font-weight:600;margin-bottom:8px;display:-webkit-box;-webkit-line-clamp:2;-webkit-box-orient:vertical;overflow:hidden}
.video-card .card-meta{display:flex;justify-content:space-between;color:#8B949E;font-size:.8rem}
.video-card .card-meta .views{color:#F4A261}
.video-card .card-tags{display:flex;gap:6px;margin-top:8px;flex-wrap:wrap}
.video-card .card-tags span{padding:2px 8px;background:rgba(244,162,97,.1);border-radius:10px;font-size:.72rem;color:#F4A261}

/* === Video Card Horizontal === */
.video-grid-h{display:grid;grid-template-columns:repeat(4,1fr);gap:20px}
.video-card-h{border-radius:12px;overflow:hidden;background:#161B22;border:1px solid #21262D;transition:all .3s}
.video-card-h:hover{transform:translateY(-4px);box-shadow:0 8px 24px rgba(230,57,70,.15);border-color:rgba(230,57,70,.4)}
.video-card-h .thumb{position:relative;aspect-ratio:16/9;overflow:hidden}
.video-card-h .thumb img{width:100%;height:100%;object-fit:cover;transition:transform .4s}
.video-card-h:hover .thumb img{transform:scale(1.05)}
.video-card-h .play-btn{position:absolute;inset:0;display:flex;align-items:center;justify-content:center;background:rgba(0,0,0,.35);opacity:0;transition:opacity .3s}
.video-card-h:hover .play-btn{opacity:1}
.video-card-h .card-info{padding:12px}
.video-card-h .card-title{font-size:.88rem;font-weight:600;margin-bottom:6px}
.video-card-h .card-meta{color:#8B949E;font-size:.78rem}

/* === Stats Bar === */
.stats-bar{background:linear-gradient(135deg,#1D3557,#0D1117);padding:40px 0;border-top:1px solid #21262D;border-bottom:1px solid #21262D}
.stats-grid{display:grid;grid-template-columns:repeat(4,1fr);gap:20px;text-align:center}
.stat-item .stat-num{font-size:2.4rem;font-weight:800;color:#E63946;display:block}
.stat-item .stat-label{font-size:.9rem;color:#8B949E;margin-top:4px}

/* === Expert Cards === */
.expert-grid{display:grid;grid-template-columns:repeat(4,1fr);gap:24px}
.expert-card{background:#161B22;border-radius:12px;padding:24px;text-align:center;border:1px solid #21262D;transition:all .3s}
.expert-card:hover{border-color:#F4A261;transform:translateY(-4px)}
.expert-card .avatar{width:100px;height:100px;border-radius:50%;margin:0 auto 16px;overflow:hidden;border:3px solid #E63946}
.expert-card .avatar img{width:100%;height:100%;object-fit:cover}
.expert-card h4{font-size:1.05rem;margin-bottom:4px}
.expert-card .role{color:#F4A261;font-size:.85rem;margin-bottom:10px}
.expert-card .desc{color:#8B949E;font-size:.82rem;line-height:1.6;margin-bottom:14px}
.expert-card .expert-btns{display:flex;gap:8px;justify-content:center}
.expert-card .expert-btns a{padding:6px 14px;border-radius:6px;font-size:.8rem;border:1px solid #30363D;color:#C9D1D9;transition:all .3s}
.expert-card .expert-btns a:hover{border-color:#E63946;color:#E63946}

/* === FAQ === */
.faq-list{max-width:800px;margin:0 auto}
.faq-item{background:#161B22;border:1px solid #21262D;border-radius:10px;margin-bottom:12px;overflow:hidden}
.faq-item .faq-q{padding:16px 20px;cursor:pointer;display:flex;justify-content:space-between;align-items:center;font-weight:600;font-size:.95rem;transition:background .3s}
.faq-item .faq-q:hover{background:#1C2128}
.faq-item .faq-q .arrow{transition:transform .3s;color:#E63946;font-size:1.2rem}
.faq-item.active .faq-q .arrow{transform:rotate(180deg)}
.faq-item .faq-a{padding:0 20px;max-height:0;overflow:hidden;transition:all .4s ease;color:#8B949E;font-size:.9rem;line-height:1.8}
.faq-item.active .faq-a{padding:0 20px 16px;max-height:500px}

/* === Reviews === */
.review-grid{display:grid;grid-template-columns:repeat(2,1fr);gap:20px}
.review-card{background:#161B22;border:1px solid #21262D;border-radius:12px;padding:24px;transition:all .3s}
.review-card:hover{border-color:rgba(244,162,97,.4)}
.review-card .review-header{display:flex;align-items:center;gap:12px;margin-bottom:12px}
.review-card .review-avatar{width:44px;height:44px;border-radius:50%;background:linear-gradient(135deg,#E63946,#F4A261);display:flex;align-items:center;justify-content:center;font-weight:700;color:#fff;font-size:1rem}
.review-card .review-name{font-weight:600;font-size:.95rem}
.review-card .review-date{color:#484F58;font-size:.78rem}
.review-card .review-stars{color:#F4A261;margin-bottom:8px;font-size:.9rem}
.review-card .review-text{color:#C9D1D9;font-size:.88rem;line-height:1.7}

/* === Partner Logos === */
.partner-wall{display:flex;flex-wrap:wrap;justify-content:center;gap:30px;align-items:center}
.partner-wall .partner-item{width:140px;height:80px;background:#161B22;border:1px solid #21262D;border-radius:10px;display:flex;align-items:center;justify-content:center;padding:12px;transition:all .3s;font-size:.9rem;color:#8B949E;font-weight:600}
.partner-wall .partner-item:hover{border-color:#F4A261;background:#1C2128}

/* === How-to Guide === */
.howto-steps{display:grid;grid-template-columns:repeat(4,1fr);gap:20px;margin-top:30px}
.step-card{background:#161B22;border:1px solid #21262D;border-radius:12px;padding:24px;text-align:center;position:relative;transition:all .3s}
.step-card:hover{border-color:#E63946;transform:translateY(-4px)}
.step-card .step-num{width:40px;height:40px;background:linear-gradient(135deg,#E63946,#F4A261);border-radius:50%;display:flex;align-items:center;justify-content:center;font-weight:800;color:#fff;margin:0 auto 14px;font-size:1.1rem}
.step-card h4{margin-bottom:8px;font-size:.95rem}
.step-card p{color:#8B949E;font-size:.82rem;line-height:1.6}

/* === Contact Section === */
.contact-grid{display:grid;grid-template-columns:repeat(2,1fr);gap:30px}
.contact-info{background:#161B22;border:1px solid #21262D;border-radius:12px;padding:30px}
.contact-info h3{font-size:1.2rem;margin-bottom:20px;color:#F4A261}
.contact-item{display:flex;align-items:flex-start;gap:12px;margin-bottom:16px}
.contact-item .icon{width:36px;height:36px;background:rgba(230,57,70,.15);border-radius:8px;display:flex;align-items:center;justify-content:center;color:#E63946;font-size:1rem;flex-shrink:0}
.contact-item .info .label{font-size:.82rem;color:#8B949E}
.contact-item .info .value{font-size:.92rem;color:#F1FAEE}

/* === QR Code Section === */
.qrcode-grid{display:flex;gap:30px;justify-content:center;margin-top:30px}
.qrcode-item{text-align:center}
.qrcode-item img{width:160px;height:160px;border-radius:10px;margin-bottom:10px}
.qrcode-item p{font-size:.85rem;color:#8B949E}

/* === Share Buttons === */
.share-bar{display:flex;gap:10px;justify-content:center;flex-wrap:wrap;margin-top:20px}
.share-btn{padding:8px 18px;border-radius:20px;font-size:.82rem;color:#F1FAEE;border:1px solid #30363D;transition:all .3s;cursor:pointer;background:transparent}
.share-btn:hover{border-color:#E63946;background:rgba(230,57,70,.1)}
.share-btn.wechat:hover{border-color:#07C160;color:#07C160}
.share-btn.weibo:hover{border-color:#E6162D;color:#E6162D}
.share-btn.douyin:hover{border-color:#FE2C55;color:#FE2C55}
.share-btn.bilibili:hover{border-color:#00A1D6;color:#00A1D6}

/* === Footer === */
.site-footer{background:#0A0E14;border-top:1px solid #21262D;padding:50px 0 20px}
.footer-grid{display:grid;grid-template-columns:2fr 1fr 1fr 1fr;gap:30px;margin-bottom:30px}
.footer-col h4{font-size:1rem;margin-bottom:16px;color:#F1FAEE;position:relative;padding-bottom:8px}
.footer-col h4::after{content:'';position:absolute;bottom:0;left:0;width:30px;height:2px;background:#E63946}
.footer-col p{color:#8B949E;font-size:.85rem;line-height:1.7;margin-bottom:10px}
.footer-col ul li{margin-bottom:8px}
.footer-col ul li a{color:#8B949E;font-size:.85rem;transition:color .3s}
.footer-col ul li a:hover{color:#F4A261}
.footer-bottom{border-top:1px solid #21262D;padding-top:20px;display:flex;justify-content:space-between;align-items:center;flex-wrap:wrap;gap:10px}
.footer-bottom p{color:#484F58;font-size:.82rem}
.footer-logo{display:flex;align-items:center;gap:8px}
.footer-logo img{height:30px}
.footer-logo span{color:#E63946;font-weight:700;font-size:1rem}

/* === Breadcrumb === */
.breadcrumb{padding:14px 0;font-size:.85rem;color:#8B949E}
.breadcrumb a{color:#F4A261}
.breadcrumb span{margin:0 6px;color:#484F58}

/* === Inner Page Hero === */
.inner-hero{margin-top:70px;padding:60px 0;background:linear-gradient(135deg,#1D3557,#0D1117);text-align:center;border-bottom:1px solid #21262D}
.inner-hero h1{font-size:2rem;margin-bottom:10px}
.inner-hero p{color:#8B949E;font-size:.95rem}

/* === Module Cards === */
.module-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:24px}
.module-card{background:#161B22;border:1px solid #21262D;border-radius:12px;padding:28px;transition:all .3s}
.module-card:hover{border-color:#E63946;transform:translateY(-4px)}
.module-card .module-icon{font-size:2rem;margin-bottom:14px}
.module-card h3{font-size:1.05rem;margin-bottom:8px}
.module-card p{color:#8B949E;font-size:.85rem;line-height:1.7}

/* === AI Section === */
.ai-features{display:grid;grid-template-columns:repeat(3,1fr);gap:24px}
.ai-card{background:linear-gradient(135deg,#161B22,#1C2128);border:1px solid #21262D;border-radius:12px;padding:28px;text-align:center;transition:all .3s}
.ai-card:hover{border-color:#00D4FF;box-shadow:0 0 20px rgba(0,212,255,.1)}
.ai-card .ai-icon{font-size:2.4rem;margin-bottom:14px}
.ai-card h3{font-size:1rem;margin-bottom:8px;color:#00D4FF}
.ai-card p{color:#8B949E;font-size:.85rem;line-height:1.6}

/* === Community Tags === */
.community-tags{display:flex;flex-wrap:wrap;gap:10px;justify-content:center;margin:20px 0}
.community-tags .tag{padding:8px 20px;background:rgba(230,57,70,.1);border:1px solid rgba(230,57,70,.25);border-radius:20px;color:#F4A261;font-size:.88rem;transition:all .3s;cursor:pointer}
.community-tags .tag:hover{background:rgba(230,57,70,.2);border-color:#E63946}

/* === Platform Links === */
.platform-grid{display:grid;grid-template-columns:repeat(5,1fr);gap:16px;margin-top:20px}
.platform-card{background:#161B22;border:1px solid #21262D;border-radius:10px;padding:20px;text-align:center;transition:all .3s}
.platform-card:hover{border-color:#F4A261;transform:translateY(-3px)}
.platform-card .p-icon{font-size:1.8rem;margin-bottom:8px}
.platform-card .p-name{font-size:.88rem;font-weight:600}
.platform-card .p-desc{font-size:.75rem;color:#8B949E;margin-top:4px}

/* === Video Badge === */
.video-badge{position:absolute;top:10px;left:10px;background:rgba(230,57,70,.9);color:#fff;padding:3px 10px;border-radius:4px;font-size:.72rem;font-weight:600;z-index:3;letter-spacing:1px}

/* === Video in thumb === */
.thumb video{position:absolute;inset:0;width:100%;height:100%;object-fit:cover;z-index:0}
.thumb img{position:relative;z-index:1}

/* === Hero Sub === */
.hero-sub{font-size:1.1rem;color:#F4A261;font-weight:400;margin-bottom:12px;letter-spacing:1px}

/* === Update Notice === */
.update-notice{margin-top:16px;font-size:.82rem;color:#8B949E;padding:6px 14px;background:rgba(244,162,97,.08);border-radius:6px;display:inline-block}

/* === Video Modal === */
.video-modal{position:fixed;inset:0;z-index:9999;display:flex;align-items:center;justify-content:center}
.modal-overlay{position:absolute;inset:0;background:rgba(0,0,0,.7);backdrop-filter:blur(4px)}
.modal-content{position:relative;background:#161B22;border:1px solid #21262D;border-radius:16px;padding:40px;max-width:460px;width:90%;text-align:center;z-index:1}
.modal-close{position:absolute;top:12px;right:16px;background:none;border:none;color:#8B949E;font-size:1.4rem;cursor:pointer;transition:color .3s}
.modal-close:hover{color:#E63946}
.modal-body .modal-icon{font-size:3rem;color:#E63946;margin-bottom:16px}
.modal-body h3{font-size:1.2rem;margin-bottom:10px}
.modal-body p{color:#8B949E;font-size:.9rem;line-height:1.6}

/* === Lazy Load === */
.lazy{opacity:0;transition:opacity .6s}
.lazy.loaded{opacity:1}

/* === Responsive === */
@media(max-width:1024px){
  .video-grid{grid-template-columns:repeat(2,1fr)}
  .video-grid-h{grid-template-columns:repeat(2,1fr)}
  .expert-grid{grid-template-columns:repeat(2,1fr)}
  .footer-grid{grid-template-columns:repeat(2,1fr)}
  .stats-grid{grid-template-columns:repeat(2,1fr)}
  .howto-steps{grid-template-columns:repeat(2,1fr)}
  .module-grid{grid-template-columns:repeat(2,1fr)}
  .ai-features{grid-template-columns:repeat(2,1fr)}
  .platform-grid{grid-template-columns:repeat(3,1fr)}
}
@media(max-width:768px){
  .main-nav{position:fixed;top:70px;left:0;width:100%;background:#0D1117;border-bottom:1px solid #21262D;transform:translateY(-120%);transition:transform .3s;padding:16px 20px}
  .main-nav.active{transform:translateY(0)}
  .main-nav ul{flex-direction:column;gap:4px}
  .mobile-toggle{display:flex}
  .hero-banner{height:auto;min-height:400px;padding:40px 0}
  .hero-content h1{font-size:1.8rem}
  .hero-content h1 .brand{font-size:2.2rem}
  .video-grid{grid-template-columns:1fr}
  .video-grid-h{grid-template-columns:1fr}
  .expert-grid{grid-template-columns:1fr}
  .review-grid{grid-template-columns:1fr}
  .contact-grid{grid-template-columns:1fr}
  .footer-grid{grid-template-columns:1fr}
  .stats-grid{grid-template-columns:repeat(2,1fr)}
  .howto-steps{grid-template-columns:1fr}
  .module-grid{grid-template-columns:1fr}
  .ai-features{grid-template-columns:1fr}
  .platform-grid{grid-template-columns:repeat(2,1fr)}
  .section{padding:40px 0}
  .section-title h2{font-size:1.5rem}
}
@media(max-width:480px){
  .header-inner{height:60px}
  .logo img{height:35px}
  .logo span{font-size:1.1rem}
  .hero-content h1{font-size:1.5rem}
  .hero-content h1 .brand{font-size:1.8rem}
  .stats-grid{grid-template-columns:1fr 1fr}
  .stat-item .stat-num{font-size:1.8rem}
  .platform-grid{grid-template-columns:1fr 1fr}
}