/* 高清视频修车改装 - 原创样式表 azxbvd.cn */
/* 配色: 深蓝#0a1628 橙红#e8520a 亮橙#ff7a1a 浅灰#f4f5f7 */
*{margin:0;padding:0;box-sizing:border-box}
html{scroll-behavior:smooth}
body{font-family:"PingFang SC","Microsoft YaHei","Helvetica Neue",Arial,sans-serif;color:#2d3142;background:#f4f5f7;line-height:1.7}
a{color:#e8520a;text-decoration:none;transition:color .3s}
a:hover{color:#ff7a1a}
img{max-width:100%;height:auto;display:block}
.container{max-width:1200px;margin:0 auto;padding:0 20px}

/* 头部导航 */
.site-header{background:#0a1628;position:sticky;top:0;z-index:1000;box-shadow:0 2px 12px 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}
.site-logo img{height:48px;width:auto}
.nav-menu{display:flex;list-style:none;gap:6px}
.nav-menu a{color:#c8cdd5;padding:8px 16px;border-radius:6px;font-size:.95rem;transition:all .3s}
.nav-menu a:hover,.nav-menu a.active{color:#fff;background:rgba(232,82,10,.15)}
.nav-toggle{display:none;background:none;border:none;color:#fff;font-size:1.5rem;cursor:pointer}

/* 搜索框 */
.search-bar{background:#0d1d33;padding:10px 0;border-bottom:1px solid rgba(232,82,10,.2)}
.search-wrap{max-width:600px;margin:0 auto;display:flex;gap:8px;padding:0 20px}
.search-wrap input{flex:1;padding:10px 18px;border:2px solid rgba(232,82,10,.3);border-radius:25px;background:#0a1628;color:#fff;font-size:.95rem;outline:none;transition:border-color .3s}
.search-wrap input:focus{border-color:#e8520a}
.search-wrap input::placeholder{color:#6b7280}
.search-wrap button{padding:10px 24px;background:linear-gradient(135deg,#e8520a,#ff7a1a);color:#fff;border:none;border-radius:25px;cursor:pointer;font-size:.95rem;font-weight:600;transition:transform .2s}
.search-wrap button:hover{transform:scale(1.05)}

/* Banner区域 */
.hero-banner{position:relative;min-height:520px;background-size:cover;background-position:center;background-repeat:no-repeat;display:flex;align-items:center;overflow:hidden}
.hero-banner::before{content:"";position:absolute;inset:0;background:linear-gradient(135deg,rgba(10,22,40,.92) 0%,rgba(10,22,40,.6) 50%,rgba(232,82,10,.15) 100%)}
.hero-content{position:relative;z-index:2;max-width:700px;padding:60px 40px}
.hero-content h1{font-size:2.6rem;color:#fff;margin-bottom:16px;line-height:1.3}
.hero-content h1 span{color:#e8520a}
.hero-content h2{font-size:1.15rem;color:#a8b2c1;margin-bottom:24px;font-weight:400;line-height:1.8}
.hero-btns{display:flex;gap:14px;flex-wrap:wrap}
.btn-primary{display:inline-block;padding:12px 32px;background:linear-gradient(135deg,#e8520a,#ff7a1a);color:#fff;border-radius:8px;font-weight:600;font-size:1rem;transition:all .3s;border:none;cursor:pointer}
.btn-primary:hover{transform:translateY(-2px);box-shadow:0 6px 20px rgba(232,82,10,.4);color:#fff}
.btn-outline{display:inline-block;padding:12px 32px;border:2px solid rgba(255,255,255,.3);color:#fff;border-radius:8px;font-weight:600;font-size:1rem;transition:all .3s}
.btn-outline:hover{border-color:#e8520a;color:#e8520a}

/* 通用区块 */
.section{padding:60px 0}
.section-dark{background:#0a1628;color:#fff}
.section-alt{background:#fff}
.section-title{text-align:center;font-size:1.9rem;margin-bottom:8px;color:#0a1628}
.section-dark .section-title{color:#fff}
.section-title span{color:#e8520a}
.section-sub{text-align:center;color:#6b7280;margin-bottom:40px;font-size:1rem}
.section-dark .section-sub{color:#8b95a5}

/* 视频卡片网格 */
.video-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:24px}
.video-card{background:#fff;border-radius:12px;overflow:hidden;box-shadow:0 4px 16px rgba(0,0,0,.08);transition:all .35s}
.video-card:hover{transform:translateY(-6px);box-shadow:0 12px 32px rgba(232,82,10,.15)}
.card-thumb{position:relative;padding-top:56.25%;overflow:hidden;background:#1a1a2e}
.card-thumb img{position:absolute;inset:0;width:100%;height:100%;object-fit:cover;transition:transform .4s}
.video-card:hover .card-thumb img{transform:scale(1.06)}
.play-btn{position:absolute;top:50%;left:50%;transform:translate(-50%,-50%);width:56px;height:56px;background:rgba(232,82,10,.9);border-radius:50%;display:flex;align-items:center;justify-content:center;opacity:0;transition:opacity .3s;pointer-events:none}
.play-btn::after{content:"";border-left:18px solid #fff;border-top:11px solid transparent;border-bottom:11px solid transparent;margin-left:4px}
.video-card:hover .play-btn{opacity:1}
.card-dur{position:absolute;bottom:8px;right:8px;background:rgba(0,0,0,.75);color:#fff;padding:2px 8px;border-radius:4px;font-size:.8rem}
.card-body{padding:16px}
.card-body h3{font-size:1.05rem;margin-bottom:8px;line-height:1.4;display:-webkit-box;-webkit-line-clamp:2;-webkit-box-orient:vertical;overflow:hidden}
.card-body h3 a{color:#2d3142}
.card-body h3 a:hover{color:#e8520a}
.card-meta{display:flex;gap:14px;color:#8b95a5;font-size:.85rem}
.card-meta span{display:flex;align-items:center;gap:4px}
.card-tags{display:flex;flex-wrap:wrap;gap:6px;margin-top:10px}
.card-tags span{font-size:.78rem;padding:3px 10px;background:rgba(232,82,10,.08);color:#e8520a;border-radius:20px}

/* 短视频竖版卡片 */
.short-grid{display:grid;grid-template-columns:repeat(5,1fr);gap:16px}
.short-card{border-radius:12px;overflow:hidden;position:relative;padding-top:160%;background:#1a1a2e;cursor:pointer}
.short-card img{position:absolute;inset:0;width:100%;height:100%;object-fit:cover;transition:transform .4s}
.short-card:hover img{transform:scale(1.05)}
.short-card .play-btn{width:48px;height:48px}
.short-card:hover .play-btn{opacity:1}
.short-info{position:absolute;bottom:0;left:0;right:0;padding:40px 12px 12px;background:linear-gradient(transparent,rgba(0,0,0,.8));color:#fff}
.short-info h4{font-size:.9rem;margin-bottom:4px;line-height:1.3}
.short-info p{font-size:.78rem;color:#ccc}

/* AI赋能区 */
.ai-grid{display:grid;grid-template-columns:1fr 1fr;gap:40px;align-items:center}
.ai-img{border-radius:16px;overflow:hidden;box-shadow:0 8px 30px rgba(0,0,0,.3)}
.ai-features{display:flex;flex-direction:column;gap:20px}
.ai-item{display:flex;gap:16px;padding:18px;background:rgba(255,255,255,.05);border-radius:12px;border:1px solid rgba(232,82,10,.15);transition:all .3s}
.ai-item:hover{background:rgba(232,82,10,.08);border-color:rgba(232,82,10,.4)}
.ai-icon{width:48px;height:48px;background:linear-gradient(135deg,#e8520a,#ff7a1a);border-radius:12px;display:flex;align-items:center;justify-content:center;flex-shrink:0;font-size:1.4rem;color:#fff}
.ai-text h4{color:#fff;margin-bottom:4px;font-size:1rem}
.ai-text p{color:#8b95a5;font-size:.9rem}

/* 社区模块 */
.community-grid{display:grid;grid-template-columns:repeat(4,1fr);gap:20px}
.community-card{background:#fff;border-radius:12px;padding:28px 20px;text-align:center;transition:all .3s;border:2px solid transparent}
.community-card:hover{border-color:#e8520a;transform:translateY(-4px);box-shadow:0 8px 24px rgba(232,82,10,.12)}
.community-icon{width:64px;height:64px;margin:0 auto 16px;background:linear-gradient(135deg,#e8520a,#ff7a1a);border-radius:16px;display:flex;align-items:center;justify-content:center;font-size:1.6rem;color:#fff}
.community-card h4{font-size:1.05rem;margin-bottom:8px;color:#0a1628}
.community-card p{color:#6b7280;font-size:.9rem}

/* 专家展示 */
.expert-grid{display:grid;grid-template-columns:repeat(4,1fr);gap:24px}
.expert-card{background:#fff;border-radius:12px;overflow:hidden;text-align:center;box-shadow:0 4px 16px rgba(0,0,0,.06);transition:all .3s}
.expert-card:hover{transform:translateY(-4px);box-shadow:0 8px 24px rgba(232,82,10,.12)}
.expert-avatar{width:100%;aspect-ratio:1;object-fit:cover}
.expert-info{padding:20px 16px}
.expert-info h4{font-size:1.05rem;margin-bottom:4px;color:#0a1628}
.expert-info .role{color:#e8520a;font-size:.88rem;margin-bottom:8px}
.expert-info p{color:#6b7280;font-size:.85rem;margin-bottom:12px}
.expert-btns{display:flex;gap:8px;justify-content:center}
.expert-btns a{padding:6px 14px;font-size:.82rem;border-radius:6px}
.expert-btns .btn-sm{background:rgba(232,82,10,.1);color:#e8520a}
.expert-btns .btn-sm:hover{background:#e8520a;color:#fff}

/* 合作品牌 */
.partner-wall{display:flex;flex-wrap:wrap;justify-content:center;gap:30px;padding:20px 0}
.partner-item{width:140px;height:60px;background:#fff;border-radius:10px;display:flex;align-items:center;justify-content:center;box-shadow:0 2px 8px rgba(0,0,0,.06);transition:all .3s;padding:10px;font-weight:700;color:#4a5568;font-size:1.1rem}
.partner-item:hover{box-shadow:0 4px 16px rgba(232,82,10,.15);transform:scale(1.05)}

/* How-To指南 */
.howto-steps{display:grid;grid-template-columns:repeat(4,1fr);gap:24px;counter-reset:step}
.howto-step{background:#fff;border-radius:12px;padding:32px 20px;text-align:center;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,#e8520a,#ff7a1a);color:#fff;border-radius:50%;display:flex;align-items:center;justify-content:center;font-weight:700;font-size:1.1rem}
.howto-step h4{margin:12px 0 8px;font-size:1.05rem;color:#0a1628}
.howto-step p{color:#6b7280;font-size:.9rem}

/* FAQ */
.faq-list{max-width:800px;margin:0 auto}
.faq-item{background:#fff;border-radius:10px;margin-bottom:12px;overflow:hidden;box-shadow:0 2px 8px rgba(0,0,0,.04)}
.faq-q{padding:18px 24px;cursor:pointer;display:flex;justify-content:space-between;align-items:center;font-weight:600;font-size:1rem;color:#0a1628;transition:color .3s}
.faq-q:hover{color:#e8520a}
.faq-q::after{content:"+";font-size:1.4rem;color:#e8520a;transition:transform .3s}
.faq-item.open .faq-q::after{transform:rotate(45deg)}
.faq-a{padding:0 24px;max-height:0;overflow:hidden;transition:all .4s;color:#6b7280;font-size:.95rem}
.faq-item.open .faq-a{padding:0 24px 18px;max-height:300px}

/* 用户评论 */
.review-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:24px}
.review-card{background:#fff;border-radius:12px;padding:24px;box-shadow:0 4px 12px rgba(0,0,0,.06)}
.review-stars{color:#ff7a1a;font-size:1.1rem;margin-bottom:10px}
.review-card p{color:#4a5568;font-size:.95rem;margin-bottom:14px;line-height:1.7}
.review-author{display:flex;align-items:center;gap:10px}
.review-author .avatar{width:40px;height:40px;border-radius:50%;background:linear-gradient(135deg,#e8520a,#ff7a1a);display:flex;align-items:center;justify-content:center;color:#fff;font-weight:700;font-size:.9rem}
.review-author .name{font-weight:600;font-size:.9rem;color:#0a1628}
.review-author .date{font-size:.8rem;color:#8b95a5}

/* 社交分享 */
.share-section{text-align:center;padding:40px 0}
.share-btns{display:flex;justify-content:center;gap:16px;flex-wrap:wrap}
.share-btn{width:52px;height:52px;border-radius:50%;display:flex;align-items:center;justify-content:center;color:#fff;font-size:1.2rem;transition:all .3s;cursor:pointer;border:none}
.share-btn:hover{transform:translateY(-3px);box-shadow:0 6px 16px rgba(0,0,0,.2)}
.share-wechat{background:#07c160}
.share-weibo{background:#e6162d}
.share-douyin{background:#161823}
.share-bilibili{background:#00a1d6}

/* 页脚 */
.site-footer{background:#060e1a;color:#8b95a5;padding:50px 0 0}
.footer-grid{display:grid;grid-template-columns:2fr 1fr 1fr 1fr;gap:40px;margin-bottom:40px}
.footer-brand p{font-size:.9rem;line-height:1.8;margin-top:12px}
.footer-links h5{color:#fff;margin-bottom:16px;font-size:1rem}
.footer-links ul{list-style:none}
.footer-links li{margin-bottom:8px}
.footer-links a{color:#6b7280;font-size:.9rem}
.footer-links a:hover{color:#e8520a}
.footer-qr{display:flex;gap:20px;margin-top:16px}
.footer-qr img{width:120px;border-radius:8px}
.footer-qr-label{font-size:.8rem;text-align:center;margin-top:6px;color:#6b7280}
.footer-bottom{border-top:1px solid rgba(255,255,255,.08);padding:20px 0;text-align:center;font-size:.85rem}
.footer-bottom .update-time{color:#e8520a}

/* MCP服务 */
.mcp-service{display:none}

/* 面包屑 */
.breadcrumb{padding:14px 0;font-size:.88rem;color:#6b7280}
.breadcrumb a{color:#e8520a}
.breadcrumb span{margin:0 6px;color:#ccc}

/* 响应式 */
@media(max-width:1024px){
.video-grid{grid-template-columns:repeat(2,1fr)}
.short-grid{grid-template-columns:repeat(3,1fr)}
.expert-grid{grid-template-columns:repeat(2,1fr)}
.community-grid{grid-template-columns:repeat(2,1fr)}
.review-grid{grid-template-columns:repeat(2,1fr)}
.footer-grid{grid-template-columns:1fr 1fr}
.ai-grid{grid-template-columns:1fr}
.howto-steps{grid-template-columns:repeat(2,1fr)}
}
@media(max-width:768px){
.nav-toggle{display:block}
.nav-menu{display:none;position:absolute;top:100%;left:0;right:0;background:#0a1628;flex-direction:column;padding:16px;border-top:1px solid rgba(232,82,10,.2)}
.nav-menu.show{display:flex}
.hero-content{padding:40px 20px}
.hero-content h1{font-size:1.8rem}
.video-grid{grid-template-columns:1fr}
.short-grid{grid-template-columns:repeat(2,1fr)}
.expert-grid{grid-template-columns:1fr}
.community-grid{grid-template-columns:1fr}
.review-grid{grid-template-columns:1fr}
.footer-grid{grid-template-columns:1fr}
.howto-steps{grid-template-columns:1fr}
.partner-wall{gap:16px}
.partner-item{width:110px;height:50px;font-size:.9rem}
.section{padding:40px 0}
.section-title{font-size:1.5rem}
}
@media(max-width:480px){
.short-grid{grid-template-columns:repeat(2,1fr)}
.hero-btns{flex-direction:column}
.search-wrap{flex-direction:column}
.search-wrap button{width:100%}
}