/* 麻豆 - 汽车改装视频社区 全站样式 */
/* yynal74.cn */
*,*::before,*::after{box-sizing:border-box;margin:0;padding:0}
:root{--primary:#c41230;--primary-dark:#8b0d22;--secondary:#1a1a2e;--accent:#e94560;--gold:#f5a623;--bg-dark:#0f0f1a;--bg-card:#1a1a2e;--text-light:#f0f0f0;--text-muted:#a0a0b0;--border-color:#2a2a3e;--gradient-primary:linear-gradient(135deg,#c41230,#e94560);--gradient-dark:linear-gradient(180deg,#0f0f1a,#1a1a2e);--shadow-card:0 4px 20px rgba(0,0,0,0.3);--shadow-hover:0 8px 40px rgba(196,18,48,0.2);--radius:12px;--radius-lg:20px;--transition:all 0.3s ease}
html{scroll-behavior:smooth;font-size:16px}
body{font-family:'PingFang SC','Microsoft YaHei','Helvetica Neue',Arial,sans-serif;background:var(--bg-dark);color:var(--text-light);line-height:1.8;overflow-x:hidden}
a{color:var(--accent);text-decoration:none;transition:var(--transition)}
a:hover{color:var(--gold)}
img{max-width:100%;height:auto;display:block}
h1,h2,h3,h4,h5,h6{font-weight:700;line-height:1.3;margin-bottom:0.5em}
h1{font-size:2.5rem}
h2{font-size:2rem}
h3{font-size:1.5rem}
h4{font-size:1.25rem}
p{margin-bottom:1em;color:var(--text-muted)}
.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{background:var(--gradient-primary);-webkit-background-clip:text;-webkit-text-fill-color:transparent;background-clip:text;display:inline-block}
.section-title p{color:var(--text-muted);max-width:600px;margin:10px auto 0}
.btn{display:inline-block;padding:12px 28px;border-radius:var(--radius);font-weight:600;cursor:pointer;transition:var(--transition);border:none;font-size:1rem}
.btn-primary{background:var(--gradient-primary);color:#fff}
.btn-primary:hover{transform:translateY(-2px);box-shadow:var(--shadow-hover);color:#fff}
.btn-outline{border:2px solid var(--accent);color:var(--accent);background:transparent}
.btn-outline:hover{background:var(--accent);color:#fff}

/* 头部导航 */
.site-header{position:fixed;top:0;left:0;width:100%;z-index:1000;background:rgba(15,15,26,0.95);backdrop-filter:blur(10px);border-bottom:1px solid var(--border-color);transition:var(--transition)}
.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 span{font-size:1.4rem;font-weight:800;color:var(--text-light)}
.main-nav{display:flex;align-items:center;gap:0}
.main-nav a{padding:10px 16px;color:var(--text-light);font-size:0.95rem;font-weight:500;position:relative;white-space:nowrap}
.main-nav a:hover,.main-nav a.active{color:var(--accent)}
.main-nav a::after{content:'';position:absolute;bottom:0;left:50%;transform:translateX(-50%);width:0;height:2px;background:var(--accent);transition:var(--transition)}
.main-nav a:hover::after,.main-nav a.active::after{width:60%}
.mobile-toggle{display:none;background:none;border:none;color:var(--text-light);font-size:1.5rem;cursor:pointer}

/* 搜索框 */
.search-bar{background:var(--secondary);padding:12px 0;border-bottom:1px solid var(--border-color)}
.search-bar .container{display:flex;justify-content:center}
.search-box{display:flex;max-width:600px;width:100%}
.search-box input{flex:1;padding:10px 20px;border:2px solid var(--border-color);border-right:none;border-radius:var(--radius) 0 0 var(--radius);background:var(--bg-dark);color:var(--text-light);font-size:0.95rem;outline:none;transition:var(--transition)}
.search-box input:focus{border-color:var(--accent)}
.search-box button{padding:10px 24px;background:var(--gradient-primary);color:#fff;border:none;border-radius:0 var(--radius) var(--radius) 0;cursor:pointer;font-size:0.95rem;font-weight:600;transition:var(--transition)}
.search-box button:hover{opacity:0.9}

/* Hero区域 */
.hero{position:relative;height:70vh;min-height:500px;display:flex;align-items:center;justify-content:center;overflow:hidden;margin-top:120px}
.hero-bg{position:absolute;inset:0;background-size:cover;background-position:center;filter:brightness(0.4)}
.hero-overlay{position:absolute;inset:0;background:linear-gradient(to bottom,rgba(15,15,26,0.3),rgba(15,15,26,0.8))}
.hero-content{position:relative;z-index:2;text-align:center;padding:0 20px}
.hero-content h1{font-size:3rem;margin-bottom:15px;text-shadow:0 2px 10px rgba(0,0,0,0.5)}
.hero-content h1 span{color:var(--accent)}
.hero-content p{font-size:1.2rem;color:var(--text-muted);max-width:700px;margin:0 auto 25px}
.hero-btns{display:flex;gap:15px;justify-content:center;flex-wrap:wrap}
.hero-stats{display:flex;gap:40px;justify-content:center;margin-top:40px}
.hero-stat{text-align:center}
.hero-stat .num{font-size:2rem;font-weight:800;color:var(--accent)}
.hero-stat .label{font-size:0.85rem;color:var(--text-muted)}

/* 视频卡片 */
.video-grid{display:grid;grid-template-columns:repeat(auto-fill,minmax(280px,1fr));gap:24px}
.video-card{background:var(--bg-card);border-radius:var(--radius);overflow:hidden;transition:var(--transition);border:1px solid var(--border-color)}
.video-card:hover{transform:translateY(-5px);box-shadow:var(--shadow-hover);border-color:var(--accent)}
.video-thumb{position:relative;padding-top:56.25%;overflow:hidden;cursor:pointer}
.video-thumb img{position:absolute;inset:0;width:100%;height:100%;object-fit:cover;transition:var(--transition)}
.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(196,18,48,0.85);border-radius:50%;display:flex;align-items:center;justify-content:center;opacity:0;transition:var(--transition)}
.video-card:hover .play-btn,.video-thumb:hover .play-btn{opacity:1}
.play-btn::after{content:'';display:block;width:0;height:0;border-style:solid;border-width:12px 0 12px 20px;border-color:transparent transparent transparent #fff;margin-left:4px}
.video-duration{position:absolute;bottom:8px;right:8px;background:rgba(0,0,0,0.8);color:#fff;padding:2px 8px;border-radius:4px;font-size:0.8rem}
.video-info{padding:15px}
.video-info h4{font-size:1rem;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;font-size:0.8rem;color:var(--text-muted)}
.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:rgba(233,69,96,0.15);color:var(--accent);padding:2px 10px;border-radius:20px;font-size:0.75rem}

/* 模块卡片网格 */
.card-grid{display:grid;grid-template-columns:repeat(auto-fill,minmax(260px,1fr));gap:24px}
.feature-card{background:var(--bg-card);border-radius:var(--radius);padding:30px;border:1px solid var(--border-color);transition:var(--transition);text-align:center}
.feature-card:hover{border-color:var(--accent);transform:translateY(-3px);box-shadow:var(--shadow-hover)}
.feature-card .icon{font-size:2.5rem;margin-bottom:15px}
.feature-card h4{margin-bottom:10px}
.feature-card p{font-size:0.9rem}

/* 专家卡片 */
.expert-grid{display:grid;grid-template-columns:repeat(auto-fill,minmax(260px,1fr));gap:24px}
.expert-card{background:var(--bg-card);border-radius:var(--radius);overflow:hidden;border:1px solid var(--border-color);transition:var(--transition)}
.expert-card:hover{border-color:var(--accent);box-shadow:var(--shadow-hover)}
.expert-card img{width:100%;height:200px;object-fit:cover}
.expert-card .info{padding:20px}
.expert-card h4{margin-bottom:4px}
.expert-card .role{color:var(--accent);font-size:0.85rem;margin-bottom:10px}
.expert-card p{font-size:0.85rem}
.expert-card .links{display:flex;gap:10px;margin-top:12px}
.expert-card .links a{font-size:0.85rem}

/* 合作品牌墙 */
.brand-wall{display:flex;flex-wrap:wrap;justify-content:center;gap:30px;align-items:center}
.brand-wall .brand-item{background:var(--bg-card);padding:20px 30px;border-radius:var(--radius);border:1px solid var(--border-color);font-size:1.1rem;font-weight:700;color:var(--text-muted);transition:var(--transition)}
.brand-wall .brand-item:hover{border-color:var(--accent);color:var(--accent)}

/* FAQ */
.faq-list{max-width:800px;margin:0 auto}
.faq-item{background:var(--bg-card);border-radius:var(--radius);margin-bottom:12px;border:1px solid var(--border-color);overflow:hidden}
.faq-q{padding:18px 24px;cursor:pointer;display:flex;justify-content:space-between;align-items:center;font-weight:600;transition:var(--transition)}
.faq-q:hover{color:var(--accent)}
.faq-q .arrow{transition:var(--transition);font-size:1.2rem}
.faq-item.active .faq-q .arrow{transform:rotate(180deg)}
.faq-a{max-height:0;overflow:hidden;transition:max-height 0.3s ease;padding:0 24px}
.faq-item.active .faq-a{max-height:300px;padding:0 24px 18px}
.faq-a p{color:var(--text-muted);font-size:0.95rem}

/* 用户评价 */
.review-grid{display:grid;grid-template-columns:repeat(auto-fill,minmax(280px,1fr));gap:24px}
.review-card{background:var(--bg-card);border-radius:var(--radius);padding:24px;border:1px solid var(--border-color)}
.review-card .stars{color:var(--gold);margin-bottom:10px;font-size:1.1rem}
.review-card blockquote{font-style:italic;color:var(--text-muted);margin-bottom:12px;font-size:0.95rem;line-height:1.6}
.review-card .reviewer{display:flex;align-items:center;gap:10px}
.review-card .reviewer .avatar{width:40px;height:40px;border-radius:50%;background:var(--gradient-primary);display:flex;align-items:center;justify-content:center;color:#fff;font-weight:700}
.review-card .reviewer .name{font-weight:600;font-size:0.9rem}
.review-card .reviewer .date{font-size:0.8rem;color:var(--text-muted)}

/* 联系我们 */
.contact-grid{display:grid;grid-template-columns:repeat(auto-fill,minmax(280px,1fr));gap:24px}
.contact-card{background:var(--bg-card);border-radius:var(--radius);padding:24px;border:1px solid var(--border-color);text-align:center}
.contact-card .icon{font-size:2rem;margin-bottom:10px;color:var(--accent)}
.contact-card h4{margin-bottom:8px}
.contact-card p{font-size:0.9rem}

/* How-To指南 */
.howto-steps{display:grid;grid-template-columns:repeat(auto-fill,minmax(220px,1fr));gap:24px;max-width:1000px;margin:0 auto}
.howto-step{text-align:center;padding:24px;background:var(--bg-card);border-radius:var(--radius);border:1px solid var(--border-color)}
.howto-step .step-num{width:50px;height:50px;border-radius:50%;background:var(--gradient-primary);display:flex;align-items:center;justify-content:center;margin:0 auto 15px;font-size:1.3rem;font-weight:800;color:#fff}
.howto-step h4{margin-bottom:8px}
.howto-step p{font-size:0.85rem}

/* 社交分享 */
.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 18px;border-radius:20px;font-size:0.85rem;font-weight:600;color:#fff;transition:var(--transition)}
.share-btn:hover{transform:translateY(-2px);color:#fff}
.share-wechat{background:#07c160}
.share-weibo{background:#e6162d}
.share-douyin{background:#161823}
.share-bilibili{background:#00a1d6}

/* 页脚 */
.site-footer{background:var(--secondary);border-top:1px solid var(--border-color);padding:40px 0 20px}
.footer-grid{display:grid;grid-template-columns:repeat(auto-fit,minmax(200px,1fr));gap:30px;margin-bottom:30px}
.footer-col h4{margin-bottom:15px;color:var(--text-light)}
.footer-col a{display:block;color:var(--text-muted);padding:4px 0;font-size:0.9rem;transition:var(--transition)}
.footer-col a:hover{color:var(--accent);padding-left:5px}
.footer-col p{font-size:0.85rem}
.footer-qr{display:flex;gap:20px;margin-top:10px}
.footer-qr img{width:120px;height:120px;border-radius:8px}
.footer-bottom{text-align:center;padding-top:20px;border-top:1px solid var(--border-color);font-size:0.85rem;color:var(--text-muted)}
.footer-logo{display:flex;align-items:center;gap:8px;margin-bottom:10px}
.footer-logo img{height:35px}
.footer-logo span{font-size:1.2rem;font-weight:700}

/* 面包屑 */
.breadcrumb{padding:15px 0;font-size:0.85rem;color:var(--text-muted)}
.breadcrumb a{color:var(--text-muted)}
.breadcrumb a:hover{color:var(--accent)}
.breadcrumb span{margin:0 8px}

/* 内页通用 */
.page-hero{padding:120px 0 40px;background:var(--secondary);text-align:center;margin-top:65px}
.page-hero h1{margin-bottom:10px}
.page-hero p{color:var(--text-muted);max-width:600px;margin:0 auto}
.page-content{padding:40px 0 60px}

/* MCP服务前端代码区域 */
.mcp-widget{background:var(--bg-card);border-radius:var(--radius);padding:20px;border:1px solid var(--border-color);margin-top:20px}
.mcp-widget .mcp-header{display:flex;align-items:center;gap:10px;margin-bottom:15px}
.mcp-widget .mcp-status{width:10px;height:10px;border-radius:50%;background:#07c160}
.mcp-widget .mcp-input{width:100%;padding:10px;background:var(--bg-dark);border:1px solid var(--border-color);border-radius:8px;color:var(--text-light);font-family:monospace;font-size:0.85rem}
.mcp-widget .mcp-output{background:var(--bg-dark);border-radius:8px;padding:15px;margin-top:10px;font-family:monospace;font-size:0.8rem;color:var(--text-muted);min-height:60px}

/* 响应式 */
@media(max-width:768px){
  .header-inner{flex-wrap:wrap}
  .main-nav{display:none;width:100%;flex-direction:column;padding:10px 0}
  .main-nav.active{display:flex}
  .mobile-toggle{display:block}
  .hero{height:auto;min-height:400px;padding:40px 0}
  .hero-content h1{font-size:2rem}
  .hero-stats{gap:20px}
  .hero-stat .num{font-size:1.5rem}
  h1{font-size:1.8rem}
  h2{font-size:1.5rem}
  .section{padding:40px 0}
  .video-grid,.card-grid,.expert-grid,.review-grid,.contact-grid{grid-template-columns:1fr}
  .footer-grid{grid-template-columns:1fr 1fr}
  .search-box{max-width:100%}
  .hero{margin-top:100px}
}
@media(max-width:480px){
  .footer-grid{grid-template-columns:1fr}
  .hero-btns{flex-direction:column;align-items:center}
  .hero-stats{flex-direction:column;gap:15px}
}

/* 懒加载 */
.lazy{opacity:0;transition:opacity 0.5s ease}
.lazy.loaded{opacity:1}

/* 动画 */
@keyframes fadeInUp{from{opacity:0;transform:translateY(20px)}to{opacity:1;transform:translateY(0)}}
.animate-in{animation:fadeInUp 0.6s ease forwards}