/* 抖阴修车改装 - 原创深色汽车主题样式表 */
/* 配色：深炭灰#1a1a2e 钛金属#16213e 赛道红#c0392b 金属金#d4a843 亮银#e8e8e8 */
*{margin:0;padding:0;box-sizing:border-box}
html{scroll-behavior:smooth}
body{font-family:'PingFang SC','Microsoft YaHei','Helvetica Neue',sans-serif;color:#e8e8e8;background:#0f0f1a;line-height:1.75}
a{color:#d4a843;text-decoration:none;transition:color .3s}
a:hover{color:#c0392b}
img{max-width:100%;height:auto}
.container{max-width:1200px;margin:0 auto;padding:0 20px}

/* Header */
.site-header{background:rgba(15,15,26,.97);position:fixed;top:0;left:0;width:100%;z-index:1000;border-bottom:1px solid rgba(212,168,67,.15);backdrop-filter:blur(12px)}
.header-inner{display:flex;align-items:center;justify-content:space-between;padding:12px 20px;max-width:1200px;margin:0 auto}
.logo-wrap{display:flex;align-items:center;gap:10px}
.logo-wrap img{width:48px;height:48px;border-radius:50%}
.logo-text{font-size:1.5rem;font-weight:800;color:#d4a843;letter-spacing:2px}
.main-nav{display:flex;gap:24px;list-style:none}
.main-nav a{color:#ccc;font-size:.95rem;padding:6px 0;position:relative}
.main-nav a:hover,.main-nav a.active{color:#d4a843}
.main-nav a::after{content:'';position:absolute;bottom:0;left:0;width:0;height:2px;background:#c0392b;transition:width .3s}
.main-nav a:hover::after{width:100%}
.nav-toggle{display:none;flex-direction:column;gap:5px;cursor:pointer;padding:5px}
.nav-toggle span{width:24px;height:2px;background:#d4a843}

/* Search Bar */
.search-bar{background:#16213e;padding:12px 0;border-bottom:1px solid rgba(212,168,67,.1)}
.search-wrap{display:flex;max-width:600px;margin:0 auto}
.search-wrap input{flex:1;padding:10px 16px;border:1px solid rgba(212,168,67,.3);border-right:none;border-radius:6px 0 0 6px;background:#1a1a2e;color:#e8e8e8;font-size:.95rem;outline:none}
.search-wrap input:focus{border-color:#d4a843}
.search-wrap button{padding:10px 24px;background:#c0392b;color:#fff;border:none;border-radius:0 6px 6px 0;cursor:pointer;font-size:.95rem}
.search-wrap button:hover{background:#e74c3c}

/* Breadcrumb */
.breadcrumb{padding:10px 0;font-size:.85rem;color:#888}
.breadcrumb a{color:#d4a843}

/* Hero Banner */
.hero{position:relative;height:70vh;min-height:480px;overflow:hidden;margin-top:72px;display:flex;align-items:center}
.hero-bg{position:absolute;inset:0;background-size:cover;background-position:center;filter:brightness(.45)}
.hero-content{position:relative;z-index:2;max-width:700px;padding:0 40px}
.hero h1{font-size:2.8rem;font-weight:900;color:#fff;margin-bottom:16px;text-shadow:0 2px 20px rgba(0,0,0,.6)}
.hero h1 em{color:#d4a843;font-style:normal}
.hero-desc{font-size:1.15rem;color:rgba(255,255,255,.85);margin-bottom:28px;line-height:1.8}
.hero-btns{display:flex;gap:16px;flex-wrap:wrap}
.btn{display:inline-block;padding:12px 32px;border-radius:6px;font-size:1rem;font-weight:600;cursor:pointer;transition:all .3s;border:none}
.btn-primary{background:linear-gradient(135deg,#c0392b,#e74c3c);color:#fff}
.btn-primary:hover{transform:translateY(-2px);box-shadow:0 6px 20px rgba(192,57,43,.4);color:#fff}
.btn-outline{background:transparent;border:2px solid #d4a843;color:#d4a843}
.btn-outline:hover{background:#d4a843;color:#0f0f1a}

/* Sections */
.section{padding:60px 0}
.section-alt{background:#16213e}
.section-dark{background:#0a0a15}
.section-header{text-align:center;margin-bottom:45px}
.section-header h2{font-size:2rem;font-weight:800;color:#fff;margin-bottom:10px}
.section-header h2 em{color:#d4a843;font-style:normal}
.section-header p{color:#999;font-size:1.05rem;max-width:650px;margin:0 auto}

/* Video Cards */
.video-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:24px}
.video-card{background:#1a1a2e;border-radius:10px;overflow:hidden;transition:transform .3s,box-shadow .3s;border:1px solid rgba(212,168,67,.08)}
.video-card:hover{transform:translateY(-6px);box-shadow:0 12px 36px rgba(0,0,0,.5)}
.video-thumb{position:relative;overflow:hidden;aspect-ratio:16/9}
.video-thumb img{width:100%;height:100%;object-fit:cover;transition:transform .4s}
.video-card:hover .video-thumb img{transform:scale(1.06)}
.play-btn{position:absolute;inset:0;display:flex;align-items:center;justify-content:center;background:rgba(0,0,0,.45);opacity:0;transition:opacity .3s}
.video-card:hover .play-btn{opacity:1}
.play-btn::after{content:'';width:56px;height:56px;border-radius:50%;background:rgba(192,57,43,.9);display:flex;align-items:center;justify-content:center;background-image:url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' viewBox='0 0 24 24' fill='white'%3E%3Cpath d='M8 5v14l11-7z'/%3E%3C/svg%3E");background-repeat:no-repeat;background-position:center;background-size:28px}
.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:1.05rem;color:#e8e8e8;margin-bottom:8px;line-height:1.4}
.video-meta{display:flex;justify-content:space-between;align-items:center;font-size:.82rem;color:#888}
.video-author{color:#d4a843}
.video-tags{margin-top:8px;display:flex;gap:6px;flex-wrap:wrap}
.tag{background:rgba(192,57,43,.15);color:#e74c3c;padding:3px 10px;border-radius:12px;font-size:.78rem}
.video-stats{display:flex;gap:12px;margin-top:8px;font-size:.8rem;color:#777}

/* Feature Cards */
.feature-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:24px}
.feature-card{background:#1a1a2e;border-radius:10px;padding:32px 24px;text-align:center;border:1px solid rgba(212,168,67,.08);transition:all .3s}
.feature-card:hover{border-color:rgba(212,168,67,.3);transform:translateY(-4px)}
.feature-icon{font-size:2.5rem;margin-bottom:16px}
.feature-card h3{color:#d4a843;font-size:1.15rem;margin-bottom:10px}
.feature-card p{color:#999;font-size:.92rem;line-height:1.7}

/* Expert Cards */
.expert-grid{display:grid;grid-template-columns:repeat(4,1fr);gap:24px}
.expert-card{background:#1a1a2e;border-radius:10px;padding:28px 20px;text-align:center;border:1px solid rgba(212,168,67,.08);transition:all .3s}
.expert-card:hover{border-color:#d4a843;transform:translateY(-4px)}
.expert-avatar{width:100px;height:100px;border-radius:50%;object-fit:cover;border:3px solid #d4a843;margin-bottom:14px}
.expert-card .name{font-size:1.1rem;color:#fff;font-weight:700;margin-bottom:4px}
.expert-card .role{color:#d4a843;font-size:.88rem;margin-bottom:10px}
.expert-card .bio{color:#999;font-size:.85rem;line-height:1.6;margin-bottom:14px}
.expert-links{display:flex;gap:10px;justify-content:center}
.expert-links a{padding:6px 14px;border-radius:5px;font-size:.82rem;border:1px solid rgba(212,168,67,.3);color:#d4a843}
.expert-links a:hover{background:#d4a843;color:#0f0f1a}

/* FAQ */
.faq-list{max-width:800px;margin:0 auto}
.faq-item{background:#1a1a2e;border-radius:8px;margin-bottom:12px;border:1px solid rgba(212,168,67,.08);overflow:hidden}
.faq-q{padding:18px 24px;font-weight:700;color:#e8e8e8;cursor:pointer;display:flex;justify-content:space-between;align-items:center}
.faq-q::after{content:'+';color:#d4a843;font-size:1.3rem;transition:transform .3s}
.faq-item.open .faq-q::after{transform:rotate(45deg)}
.faq-a{padding:0 24px 18px;color:#999;font-size:.92rem;line-height:1.8;display:none}
.faq-item.open .faq-a{display:block}

/* Reviews */
.review-grid{display:grid;grid-template-columns:repeat(2,1fr);gap:24px}
.review-card{background:#1a1a2e;border-radius:10px;padding:24px;border:1px solid rgba(212,168,67,.08)}
.review-stars{color:#d4a843;font-size:1.1rem;margin-bottom:10px}
.review-card blockquote{color:#ccc;font-size:.95rem;line-height:1.7;margin-bottom:14px;font-style:italic}
.review-author{color:#888;font-size:.85rem}
.review-author strong{color:#d4a843}

/* Partner Wall */
.partner-wall{display:flex;flex-wrap:wrap;justify-content:center;gap:30px;padding:20px 0}
.partner-item{background:#1a1a2e;padding:16px 28px;border-radius:8px;color:#888;font-weight:700;font-size:1rem;border:1px solid rgba(212,168,67,.08);transition:all .3s}
.partner-item:hover{border-color:#d4a843;color:#d4a843}

/* HowTo Steps */
.howto-steps{display:grid;grid-template-columns:repeat(4,1fr);gap:20px;counter-reset:step}
.howto-step{background:#1a1a2e;border-radius:10px;padding:28px 20px;text-align:center;border:1px solid rgba(212,168,67,.08);position:relative}
.step-num{width:40px;height:40px;border-radius:50%;background:linear-gradient(135deg,#c0392b,#e74c3c);color:#fff;display:flex;align-items:center;justify-content:center;font-weight:800;font-size:1.1rem;margin:0 auto 14px}
.howto-step h4{color:#d4a843;margin-bottom:8px}
.howto-step p{color:#999;font-size:.88rem;line-height:1.6}

/* Contact */
.contact-grid{display:grid;grid-template-columns:1fr 1fr;gap:30px}
.contact-card{background:#1a1a2e;border-radius:10px;padding:30px;border:1px solid rgba(212,168,67,.08)}
.contact-card h3{color:#d4a843;margin-bottom:16px;font-size:1.2rem}
.contact-card p{color:#999;margin-bottom:8px;font-size:.92rem}
.contact-img{width:100%;border-radius:8px;margin-bottom:16px}
.qr-flex{display:flex;gap:20px;margin-top:16px}
.qr-item{text-align:center}
.qr-item img{width:120px;height:120px;border-radius:8px}
.qr-item p{color:#888;font-size:.82rem;margin-top:6px}

/* News */
.news-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:20px}
.news-card{background:#1a1a2e;border-radius:8px;padding:20px;border:1px solid rgba(212,168,67,.08)}
.news-card h4{color:#e8e8e8;margin-bottom:8px}
.news-date{color:#666;font-size:.82rem;margin-bottom:6px}
.news-tag{display:inline-block;background:rgba(192,57,43,.15);color:#e74c3c;padding:2px 8px;border-radius:10px;font-size:.75rem;margin-bottom:8px}
.news-card p{color:#999;font-size:.88rem;line-height:1.6}

/* Share */
.share-section{padding:30px 0;text-align:center}
.share-bar{display:flex;gap:12px;justify-content:center;flex-wrap:wrap}
.share-btn{padding:10px 20px;border-radius:6px;color:#fff;font-size:.9rem;cursor:pointer;transition:all .3s}
.share-wechat{background:#07c160}
.share-weibo{background:#e6162d}
.share-douyin{background:#161823}
.share-bilibili{background:#00a1d6}
.share-btn:hover{transform:translateY(-2px);opacity:.9;color:#fff}

/* Footer */
.site-footer{background:#0a0a15;border-top:1px solid rgba(212,168,67,.1);padding:40px 0 0}
.footer-grid{display:grid;grid-template-columns:repeat(4,1fr);gap:30px;margin-bottom:30px}
.footer-col h4{color:#d4a843;margin-bottom:14px;font-size:1rem}
.footer-col p,.footer-col a{color:#888;font-size:.88rem;display:block;margin-bottom:6px}
.footer-col a:hover{color:#d4a843}
.footer-logo{display:flex;align-items:center;gap:10px;margin-bottom:14px}
.footer-logo img{width:40px;height:40px;border-radius:50%}
.footer-logo span{font-size:1.2rem;font-weight:800;color:#d4a843}
.footer-qr{display:flex;gap:16px;margin-top:10px}
.footer-qr img{width:90px;height:90px;border-radius:6px}
.footer-bottom{border-top:1px solid rgba(212,168,67,.08);padding:18px 0;text-align:center;color:#666;font-size:.82rem}
.update-time{color:#888;margin-top:6px;font-size:.82rem}

/* MCP Widget */
.mcp-widget{position:fixed;bottom:20px;right:20px;z-index:999}
.mcp-status{background:#1a1a2e;border:1px solid rgba(212,168,67,.2);border-radius:50%;width:48px;height:48px;display:flex;align-items:center;justify-content:center;cursor:pointer;box-shadow:0 4px 16px rgba(0,0,0,.4)}
.mcp-dot{width:10px;height:10px;border-radius:50%;background:#2ecc71;animation:pulse 2s infinite}
@keyframes pulse{0%,100%{opacity:1}50%{opacity:.4}}

/* Fade Animation */
.fade-in{opacity:0;transform:translateY(24px);transition:opacity .6s,transform .6s}
.fade-in.visible{opacity:1;transform:none}

/* Policy */
.policy-content{max-width:800px;margin:0 auto;padding:40px 20px}
.policy-content h2{color:#d4a843;margin:30px 0 14px}
.policy-content p{color:#999;margin-bottom:12px;line-height:1.8}

/* Responsive */
@media(max-width:992px){
.video-grid,.feature-grid,.news-grid{grid-template-columns:repeat(2,1fr)}
.expert-grid{grid-template-columns:repeat(2,1fr)}
.howto-steps{grid-template-columns:repeat(2,1fr)}
.footer-grid{grid-template-columns:repeat(2,1fr)}
}
@media(max-width:768px){
.main-nav{display:none;position:absolute;top:100%;left:0;width:100%;background:#0f0f1a;flex-direction:column;padding:20px;gap:14px;border-top:1px solid rgba(212,168,67,.1)}
.main-nav.open{display:flex}
.nav-toggle{display:flex}
.hero{height:50vh;min-height:360px}
.hero h1{font-size:1.8rem}
.video-grid,.feature-grid,.review-grid,.contact-grid,.news-grid{grid-template-columns:1fr}
.expert-grid{grid-template-columns:repeat(2,1fr)}
.howto-steps{grid-template-columns:1fr}
.footer-grid{grid-template-columns:1fr}
.hero-content{padding:0 20px}
}