/* ============================================
   动漫之家 视频传媒 - 主样式表
   品牌：动漫之家 | 域名：zpxkf.cn
   修车改装视频社区 外部CSS
   ============================================ */

/* === 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","Helvetica Neue",Arial,sans-serif;color:#222;background:#f8f9fa;line-height:1.7;overflow-x:hidden}
a{color:#1a73e8;text-decoration:none;transition:color .2s}
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:#111}

/* === Container === */
.container{max-width:1200px;margin:0 auto;padding:0 20px}
.section-title{text-align:center;margin-bottom:40px;position:relative;padding-bottom:15px}
.section-title::after{content:'';position:absolute;bottom:0;left:50%;transform:translateX(-50%);width:80px;height:3px;background:linear-gradient(90deg,#e63946,#1a73e8)}
.section-title h2{font-size:28px;margin-bottom:8px}
.section-title p{color:#666;font-size:15px}

/* === Header === */
.site-header{background:#1a1a2e;color:#fff;position:sticky;top:0;z-index:1000;box-shadow:0 2px 15px rgba(0,0,0,.3)}
.header-top{display:flex;align-items:center;justify-content:space-between;padding:10px 0}
.logo-area{display:flex;align-items:center;gap:12px}
.logo-area img{width:48px;height:48px;border-radius:8px}
.logo-area h1{font-size:22px;color:#fff}
.logo-area h1 span{color:#e63946}
.header-contact{font-size:13px;color:#adb5bd}
.header-contact a{color:#4dabf7}

/* === Navigation === */
.main-nav{background:#16213e;border-top:1px solid rgba(255,255,255,.08)}
.main-nav ul{display:flex;justify-content:center;flex-wrap:wrap;gap:0}
.main-nav li a{display:block;padding:12px 22px;color:#ddd;font-size:15px;transition:all .2s;position:relative}
.main-nav li a:hover,.main-nav li a.active{color:#fff;background:rgba(230,57,70,.15)}
.main-nav li a::after{content:'';position:absolute;bottom:0;left:50%;width:0;height:2px;background:#e63946;transition:all .3s;transform:translateX(-50%)}
.main-nav li a:hover::after{width:70%}

/* === Search Bar === */
.search-bar{background:#0f3460;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;border:2px solid #1a73e8;border-right:none;border-radius:25px 0 0 25px;font-size:15px;outline:none;background:#fff}
.search-box button{padding:10px 28px;background:#e63946;color:#fff;border:none;border-radius:0 25px 25px 0;cursor:pointer;font-size:15px;transition:background .2s}
.search-box button:hover{background:#c1121f}

/* === Banner === */
.banner{position:relative;height:480px;overflow:hidden;background:#1a1a2e}
.banner img{width:100%;height:100%;object-fit:cover;filter:brightness(.6)}
.banner-content{position:absolute;top:50%;left:50%;transform:translate(-50%,-50%);text-align:center;color:#fff;z-index:2;width:90%;max-width:800px}
.banner-content h2{font-size:38px;margin-bottom:15px;text-shadow:2px 2px 8px rgba(0,0,0,.7)}
.banner-content p{font-size:17px;margin-bottom:25px;text-shadow:1px 1px 4px rgba(0,0,0,.5);line-height:1.8}
.banner-content .btn-group{display:flex;gap:15px;justify-content:center;flex-wrap:wrap}

/* === Buttons === */
.btn{display:inline-block;padding:12px 30px;border-radius:25px;font-size:15px;font-weight:600;cursor:pointer;transition:all .3s;border:none}
.btn-primary{background:#e63946;color:#fff}
.btn-primary:hover{background:#c1121f;transform:translateY(-2px);box-shadow:0 5px 15px rgba(230,57,70,.4);color:#fff}
.btn-outline{background:transparent;color:#fff;border:2px solid #fff}
.btn-outline:hover{background:#fff;color:#1a1a2e}
.btn-blue{background:#1a73e8;color:#fff}
.btn-blue:hover{background:#1557b0;color:#fff}

/* === Video Card === */
.video-grid{display:grid;grid-template-columns:repeat(4,1fr);gap:20px;margin-bottom:40px}
.video-card{background:#fff;border-radius:12px;overflow:hidden;box-shadow:0 3px 15px rgba(0,0,0,.08);transition:all .3s;position:relative}
.video-card:hover{transform:translateY(-5px);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 .4s}
.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(230,57,70,.85);border-radius:50%;display:flex;align-items:center;justify-content:center;opacity:0;transition:opacity .3s;cursor:pointer;z-index:3}
.play-btn::after{content:'';border-style:solid;border-width:10px 0 10px 18px;border-color:transparent transparent transparent #fff;margin-left:4px}
.video-card:hover .play-btn{opacity:1}
.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;z-index:2}
.video-info{padding:14px}
.video-info h3{font-size:15px;margin-bottom:6px;display:-webkit-box;-webkit-line-clamp:2;-webkit-box-orient:vertical;overflow:hidden}
.video-info h3 a{color:#222}
.video-info h3 a:hover{color:#e63946}
.video-meta{display:flex;justify-content:space-between;color:#888;font-size:13px}
.video-meta span{display:flex;align-items:center;gap:4px}
.video-tags{display:flex;gap:6px;flex-wrap:wrap;margin-top:8px}
.video-tags span{background:#f0f4ff;color:#1a73e8;padding:2px 10px;border-radius:12px;font-size:12px}

/* === Section Modules === */
.section{padding:50px 0}
.section-alt{background:#fff}
.section-dark{background:#1a1a2e;color:#fff}
.section-dark h2,.section-dark h3{color:#fff}
.section-dark p{color:#ccc}

/* === Module Grid === */
.module-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:25px}
.module-card{background:#fff;border-radius:12px;padding:30px;text-align:center;box-shadow:0 3px 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-card .icon{font-size:42px;margin-bottom:15px}
.module-card h3{font-size:18px;margin-bottom:10px}
.module-card p{color:#666;font-size:14px;line-height:1.6}

/* === Expert Section === */
.expert-grid{display:grid;grid-template-columns:repeat(4,1fr);gap:25px}
.expert-card{background:#fff;border-radius:12px;overflow:hidden;box-shadow:0 3px 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%;margin:25px auto 15px;object-fit:cover;border:3px solid #e63946}
.expert-card h4{font-size:17px;margin-bottom:5px}
.expert-card .role{color:#e63946;font-size:13px;margin-bottom:10px}
.expert-card p{color:#666;font-size:13px;padding:0 15px;margin-bottom:15px}
.expert-card .expert-links{display:flex;justify-content:center;gap:10px;padding-bottom:20px}
.expert-card .expert-links a{padding:6px 16px;border-radius:20px;font-size:12px;border:1px solid #1a73e8;color:#1a73e8;transition:all .2s}
.expert-card .expert-links a:hover{background:#1a73e8;color:#fff}

/* === 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,.05);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 .2s}
.faq-question:hover{background:#f8f9fa}
.faq-question::after{content:'+';font-size:22px;color:#e63946;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:#555;font-size:14px;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(2,1fr);gap:20px}
.review-card{background:#fff;border-radius:12px;padding:25px;box-shadow:0 3px 12px rgba(0,0,0,.06);position:relative}
.review-card::before{content:'\201C';font-size:60px;color:#e63946;opacity:.2;position:absolute;top:5px;left:15px;font-family:Georgia,serif}
.review-header{display:flex;align-items:center;gap:12px;margin-bottom:12px}
.review-avatar{width:48px;height:48px;border-radius:50%;background:#e63946;color:#fff;display:flex;align-items:center;justify-content:center;font-weight:700;font-size:18px}
.review-name{font-weight:600;font-size:15px}
.review-date{color:#999;font-size:12px}
.review-stars{color:#ffc107;font-size:14px;margin-bottom:8px}
.review-text{color:#555;font-size:14px;line-height:1.7}

/* === Partner Logos === */
.partner-wall{display:flex;flex-wrap:wrap;justify-content:center;gap:30px;align-items:center;padding:20px 0}
.partner-wall .partner-item{background:#fff;padding:15px 30px;border-radius:10px;box-shadow:0 2px 8px rgba(0,0,0,.06);font-size:18px;font-weight:700;color:#555;transition:all .3s}
.partner-wall .partner-item:hover{box-shadow:0 5px 20px rgba(0,0,0,.12);transform:translateY(-3px)}

/* === Contact Section === */
.contact-grid{display:grid;grid-template-columns:repeat(2,1fr);gap:30px}
.contact-card{background:#fff;border-radius:12px;padding:30px;box-shadow:0 3px 12px rgba(0,0,0,.06)}
.contact-card h3{font-size:20px;margin-bottom:15px;color:#1a1a2e;border-bottom:2px solid #e63946;padding-bottom:8px;display:inline-block}
.contact-card p{margin-bottom:8px;color:#555;font-size:14px}
.contact-card strong{color:#222}

/* === How To Guide === */
.guide-steps{display:grid;grid-template-columns:repeat(4,1fr);gap:20px;margin-top:30px}
.guide-step{text-align:center;position:relative}
.guide-step .step-num{width:50px;height:50px;background:#e63946;color:#fff;border-radius:50%;display:flex;align-items:center;justify-content:center;font-size:22px;font-weight:700;margin:0 auto 15px}
.guide-step h4{font-size:16px;margin-bottom:8px}
.guide-step p{color:#666;font-size:13px}

/* === Social Share === */
.share-bar{display:flex;gap:12px;justify-content:center;flex-wrap:wrap;padding:20px 0}
.share-btn{display:inline-flex;align-items:center;gap:6px;padding:10px 20px;border-radius:25px;color:#fff;font-size:14px;transition:all .2s;cursor:pointer}
.share-btn:hover{transform:translateY(-2px);opacity:.9;color:#fff}
.share-wechat{background:#07c160}
.share-weibo{background:#e6162d}
.share-douyin{background:#161823}
.share-bilibili{background:#00a1d6}

/* === Footer === */
.site-footer{background:#0d1117;color:#adb5bd;padding:40px 0 0}
.footer-grid{display:grid;grid-template-columns:repeat(4,1fr);gap:30px;margin-bottom:30px}
.footer-col h4{color:#fff;font-size:16px;margin-bottom:15px;position:relative;padding-bottom:8px}
.footer-col h4::after{content:'';position:absolute;bottom:0;left:0;width:40px;height:2px;background:#e63946}
.footer-col p,.footer-col li{font-size:13px;margin-bottom:8px;color:#8b949e}
.footer-col a{color:#8b949e;transition:color .2s}
.footer-col a:hover{color:#e63946}
.footer-col .qrcode{width:120px;height:120px;background:#fff;border-radius:8px;padding:5px;margin-top:10px}
.footer-bottom{border-top:1px solid rgba(255,255,255,.08);padding:20px 0;text-align:center;font-size:13px}
.footer-bottom p{margin-bottom:4px}

/* === Breadcrumb === */
.breadcrumb{padding:12px 0;font-size:13px;color:#888}
.breadcrumb a{color:#1a73e8}
.breadcrumb span{margin:0 6px;color:#ccc}

/* === Inner Page === */
.page-banner{height:280px;position:relative;overflow:hidden;background:#1a1a2e}
.page-banner img{width:100%;height:100%;object-fit:cover;filter:brightness(.5)}
.page-banner .banner-content{position:absolute;top:50%;left:50%;transform:translate(-50%,-50%);text-align:center;color:#fff}
.page-banner h2{font-size:32px;text-shadow:2px 2px 8px rgba(0,0,0,.7)}

.content-area{padding:40px 0}
.article-content{background:#fff;border-radius:12px;padding:35px;box-shadow:0 3px 15px rgba(0,0,0,.06);margin-bottom:30px}
.article-content h2{font-size:24px;margin-bottom:15px;color:#1a1a2e}
.article-content h3{font-size:20px;margin:20px 0 10px;color:#333}
.article-content p{margin-bottom:15px;color:#444;font-size:15px;line-height:1.8}

/* === Sidebar === */
.page-layout{display:grid;grid-template-columns:1fr 300px;gap:30px}
.sidebar .widget{background:#fff;border-radius:12px;padding:20px;margin-bottom:20px;box-shadow:0 3px 12px rgba(0,0,0,.06)}
.sidebar .widget h4{font-size:16px;margin-bottom:12px;padding-bottom:8px;border-bottom:2px solid #e63946}
.sidebar .widget li{padding:8px 0;border-bottom:1px solid #f0f0f0;font-size:14px}
.sidebar .widget li:last-child{border-bottom:none}
.sidebar .widget li a{color:#444}
.sidebar .widget li a:hover{color:#e63946}

/* === AI Section === */
.ai-features{display:grid;grid-template-columns:repeat(3,1fr);gap:25px}
.ai-card{background:linear-gradient(135deg,#1a1a2e,#16213e);border-radius:12px;padding:30px;color:#fff;text-align:center;transition:all .3s}
.ai-card:hover{transform:translateY(-5px);box-shadow:0 8px 30px rgba(26,115,232,.3)}
.ai-card .ai-icon{font-size:48px;margin-bottom:15px}
.ai-card h3{font-size:18px;margin-bottom:10px}
.ai-card p{color:#adb5bd;font-size:14px}

/* === Community Tags === */
.community-tags{display:flex;flex-wrap:wrap;gap:10px;justify-content:center;margin:20px 0}
.community-tags a{padding:8px 20px;background:#f0f4ff;color:#1a73e8;border-radius:20px;font-size:14px;transition:all .2s}
.community-tags a:hover{background:#1a73e8;color:#fff}

/* === Stats Bar === */
.stats-bar{display:grid;grid-template-columns:repeat(4,1fr);gap:20px;padding:30px 0}
.stat-item{text-align:center}
.stat-item .num{font-size:36px;font-weight:700;color:#e63946}
.stat-item .label{font-size:14px;color:#666;margin-top:5px}

/* === Mobile Menu === */
.mobile-toggle{display:none;background:none;border:none;color:#fff;font-size:28px;cursor:pointer;padding:5px}

/* === Responsive === */
@media(max-width:1024px){
    .video-grid{grid-template-columns:repeat(3,1fr)}
    .expert-grid{grid-template-columns:repeat(2,1fr)}
    .footer-grid{grid-template-columns:repeat(2,1fr)}
    .guide-steps{grid-template-columns:repeat(2,1fr)}
    .page-layout{grid-template-columns:1fr}
}
@media(max-width:768px){
    .video-grid{grid-template-columns:repeat(2,1fr)}
    .module-grid{grid-template-columns:1fr}
    .ai-features{grid-template-columns:1fr}
    .review-grid{grid-template-columns:1fr}
    .contact-grid{grid-template-columns:1fr}
    .stats-bar{grid-template-columns:repeat(2,1fr)}
    .banner{height:350px}
    .banner-content h2{font-size:26px}
    .banner-content p{font-size:14px}
    .main-nav ul{display:none;flex-direction:column;background:#16213e}
    .main-nav ul.show{display:flex}
    .main-nav li a{padding:12px 20px;border-bottom:1px solid rgba(255,255,255,.05)}
    .mobile-toggle{display:block}
    .header-top{flex-wrap:wrap}
    .header-contact{display:none}
    .section-title h2{font-size:22px}
}
@media(max-width:480px){
    .video-grid{grid-template-columns:1fr}
    .expert-grid{grid-template-columns:1fr}
    .footer-grid{grid-template-columns:1fr}
    .guide-steps{grid-template-columns:1fr}
    .banner{height:280px}
    .banner-content h2{font-size:22px}
}

/* === Lazy Load === */
img[data-src]{opacity:0;transition:opacity .5s}
img.loaded{opacity:1}

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

/* === MCP Service Frontend === */
.mcp-widget{background:#16213e;border-radius:10px;padding:20px;margin-top:20px}
.mcp-widget h4{color:#fff;margin-bottom:10px}
.mcp-widget .mcp-status{display:flex;align-items:center;gap:8px;color:#4dabf7;font-size:13px}
.mcp-widget .mcp-dot{width:8px;height:8px;background:#07c160;border-radius:50%;animation:pulse 2s infinite}
@keyframes pulse{0%,100%{opacity:1}50%{opacity:.4}}

/* === Notice Bar (时效性公告) === */
.notice-bar{padding:15px 0;background:#fffbe6;border-bottom:2px solid #ffc107}
.notice-content{display:flex;align-items:center;gap:12px;font-size:14px;color:#333}
.notice-tag{background:#e63946;color:#fff;padding:3px 12px;border-radius:12px;font-size:12px;font-weight:700;white-space:nowrap}
.notice-content p{margin:0;line-height:1.6}
.notice-content a{color:#1a73e8;font-weight:600}

/* === Video Section Intro (文章段落) === */
.video-section-intro{margin-bottom:30px;padding:20px 25px;background:#f8f9fa;border-left:4px solid #e63946;border-radius:0 8px 8px 0}
.video-section-intro p{color:#444;font-size:14px;line-height:1.8;margin:0}

/* === Credentials Section (资质荣誉) === */
.credentials-grid{display:grid;grid-template-columns:repeat(4,1fr);gap:25px}
.credential-item{background:#fff;border-radius:12px;padding:25px;text-align:center;box-shadow:0 3px 15px rgba(0,0,0,.06);transition:all .3s;border-top:3px solid #e63946}
.credential-item:hover{transform:translateY(-5px);box-shadow:0 8px 25px rgba(0,0,0,.12)}
.credential-item .credential-icon{font-size:42px;margin-bottom:12px}
.credential-item h4{font-size:16px;margin-bottom:8px;color:#1a1a2e}
.credential-item p{color:#666;font-size:13px;line-height:1.6}

/* === Expert Credentials Badge === */
.expert-card .credentials{color:#1a73e8;font-size:11px;margin-bottom:8px;padding:0 10px;font-weight:600}

/* === Module Grid 4-col === */
.module-grid-4{display:grid;grid-template-columns:repeat(4,1fr);gap:25px}

/* === Breadcrumb Enhanced === */
.breadcrumb{padding:10px 0;font-size:13px;color:#888;background:#f0f2f5;border-bottom:1px solid #e5e7eb}
.breadcrumb .container{display:flex;align-items:center;gap:0}
.breadcrumb a{color:#1a73e8;transition:color .2s}
.breadcrumb a:hover{color:#e63946}
.breadcrumb span{margin:0 6px;color:#ccc}
.breadcrumb strong{color:#333;font-weight:600}

/* === Section Dark Stats Text === */
.section-dark .stat-item .label{color:#adb5bd}

/* === Back to Top === */
.back-to-top{position:fixed;bottom:30px;right:30px;width:48px;height:48px;background:#e63946;color:#fff;border:none;border-radius:50%;font-size:22px;cursor:pointer;display:none;align-items:center;justify-content:center;z-index:999;box-shadow:0 3px 15px rgba(230,57,70,.4);transition:all .3s}
.back-to-top:hover{background:#c1121f;transform:translateY(-3px)}

/* === Responsive Additions === */
@media(max-width:1024px){
    .credentials-grid{grid-template-columns:repeat(2,1fr)}
}
@media(max-width:768px){
    .credentials-grid{grid-template-columns:1fr}
    .notice-content{flex-direction:column;align-items:flex-start}
}
@media(max-width:480px){
    .credentials-grid{grid-template-columns:1fr}
}