/* 糖心 - 汽车改装视频社区 全站样式 */
/* xfbry29.cn */
*,*::before,*::after{box-sizing:border-box;margin:0;padding:0}
:root{--primary:#1a237e;--primary-light:#3949ab;--accent:#ff6d00;--accent-light:#ff9100;--dark:#0d1117;--dark2:#161b22;--gray:#8b949e;--light:#f0f6fc;--white:#ffffff;--card-bg:#1c2333;--border:#30363d;--success:#2ea043;--font-main:'Microsoft YaHei','PingFang SC','Helvetica Neue',sans-serif;--shadow:0 8px 32px rgba(0,0,0,0.3);--radius:12px}
html{scroll-behavior:smooth;font-size:16px}
body{font-family:var(--font-main);background:var(--dark);color:var(--light);line-height:1.8;overflow-x:hidden}
a{color:var(--accent);text-decoration:none;transition:color .3s}
a:hover{color:var(--accent-light)}
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:linear-gradient(135deg,var(--dark) 0%,var(--dark2) 100%);position:sticky;top:0;z-index:1000;border-bottom:1px solid var(--border);backdrop-filter:blur(10px)}
.header-inner{display:flex;align-items:center;justify-content:space-between;padding:12px 20px;max-width:1200px;margin:0 auto}
.site-logo{display:flex;align-items:center;gap:10px}
.site-logo img{height:45px;width:auto}
.site-logo span{font-size:1.4rem;font-weight:700;color:var(--white);letter-spacing:1px}
.main-nav{display:flex;align-items:center;gap:0}
.main-nav a{color:var(--light);padding:10px 16px;font-size:.95rem;border-radius:8px;transition:all .3s}
.main-nav a:hover,.main-nav a.active{background:var(--primary);color:var(--white)}
.nav-toggle{display:none;background:none;border:none;color:var(--white);font-size:1.5rem;cursor:pointer}
/* 搜索框 */
.search-bar{background:var(--dark2);padding:15px 0;border-bottom:1px solid var(--border)}
.search-bar .container{display:flex;justify-content:center}
.search-wrap{display:flex;max-width:600px;width:100%;border-radius:25px;overflow:hidden;border:2px solid var(--primary)}
.search-wrap input{flex:1;padding:10px 20px;background:var(--dark);color:var(--light);border:none;font-size:.95rem;outline:none}
.search-wrap button{padding:10px 25px;background:var(--primary);color:var(--white);border:none;cursor:pointer;font-size:.95rem;transition:background .3s}
.search-wrap button:hover{background:var(--primary-light)}
/* 面包屑 */
.breadcrumb{padding:12px 0;font-size:.85rem;color:var(--gray)}
.breadcrumb a{color:var(--accent)}
.breadcrumb span{margin:0 6px;color:var(--gray)}
/* 英雄横幅 */
.hero{position:relative;height:520px;overflow:hidden;display:flex;align-items:center;justify-content:center}
.hero-bg{position:absolute;top:0;left:0;width:100%;height:100%;object-fit:cover;filter:brightness(0.4)}
.hero-content{position:relative;z-index:2;text-align:center;padding:0 20px}
.hero h1{font-size:2.8rem;color:var(--white);margin-bottom:15px;text-shadow:0 2px 20px rgba(0,0,0,0.5)}
.hero h2{font-size:1.3rem;color:var(--accent);margin-bottom:25px;font-weight:400}
.hero p{font-size:1.05rem;color:rgba(255,255,255,0.85);max-width:700px;margin:0 auto 30px}
.btn{display:inline-block;padding:12px 30px;border-radius:25px;font-size:1rem;font-weight:600;transition:all .3s;cursor:pointer;border:none}
.btn-primary{background:linear-gradient(135deg,var(--accent),var(--accent-light));color:var(--white)}
.btn-primary:hover{transform:translateY(-2px);box-shadow:0 5px 20px rgba(255,109,0,0.4);color:var(--white)}
.btn-outline{border:2px solid var(--accent);color:var(--accent);background:transparent;margin-left:10px}
.btn-outline:hover{background:var(--accent);color:var(--white)}
/* 区块标题 */
.section{padding:60px 0}
.section-title{text-align:center;margin-bottom:45px}
.section-title h2{font-size:2rem;color:var(--white);margin-bottom:10px}
.section-title h3{font-size:1.1rem;color:var(--accent);font-weight:400}
.section-title p{color:var(--gray);margin-top:8px;font-size:.95rem}
.section-alt{background:var(--dark2)}
/* 视频卡片 */
.video-grid{display:grid;grid-template-columns:repeat(auto-fill,minmax(280px,1fr));gap:25px}
.video-card{background:var(--card-bg);border-radius:var(--radius);overflow:hidden;transition:transform .3s,box-shadow .3s;border:1px solid var(--border)}
.video-card:hover{transform:translateY(-5px);box-shadow:var(--shadow)}
.video-thumb{position:relative;padding-top:56.25%;overflow:hidden;cursor:pointer}
.video-thumb img{position:absolute;top:0;left:0;width:100%;height:100%;object-fit:cover;transition:transform .5s}
.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(255,109,0,0.9);border-radius:50%;display:flex;align-items:center;justify-content:center;opacity:0;transition:opacity .3s;z-index:3}
.play-btn::after{content:'';width:0;height:0;border-style:solid;border-width:10px 0 10px 18px;border-color:transparent transparent transparent var(--white);margin-left:4px}
.video-card:hover .play-btn{opacity:1}
.video-duration{position:absolute;bottom:8px;right:8px;background:rgba(0,0,0,0.8);color:var(--white);padding:2px 8px;border-radius:4px;font-size:.8rem;z-index:3}
.video-stats{position:absolute;bottom:8px;left:8px;display:flex;gap:10px;z-index:3}
.video-stats span{background:rgba(0,0,0,0.7);color:var(--white);padding:2px 8px;border-radius:4px;font-size:.75rem}
.video-info{padding:15px}
.video-info h4{font-size:1rem;color:var(--white);margin-bottom:6px;line-height:1.4;display:-webkit-box;-webkit-line-clamp:2;-webkit-box-orient:vertical;overflow:hidden}
.video-info .meta{display:flex;justify-content:space-between;color:var(--gray);font-size:.8rem}
.video-info .tags{margin-top:8px;display:flex;flex-wrap:wrap;gap:5px}
.video-info .tags span{background:var(--primary);color:var(--white);padding:2px 10px;border-radius:12px;font-size:.75rem}
/* 模块卡片 */
.module-grid{display:grid;grid-template-columns:repeat(auto-fill,minmax(260px,1fr));gap:25px}
.module-card{background:var(--card-bg);border-radius:var(--radius);padding:30px;text-align:center;border:1px solid var(--border);transition:all .3s}
.module-card:hover{border-color:var(--accent);transform:translateY(-3px)}
.module-card .icon{font-size:2.5rem;margin-bottom:15px}
.module-card h4{color:var(--white);font-size:1.1rem;margin-bottom:10px}
.module-card p{color:var(--gray);font-size:.9rem;line-height:1.6}
/* 专家展示 */
.expert-grid{display:grid;grid-template-columns:repeat(auto-fill,minmax(280px,1fr));gap:25px}
.expert-card{background:var(--card-bg);border-radius:var(--radius);padding:25px;text-align:center;border:1px solid var(--border);transition:all .3s}
.expert-card:hover{border-color:var(--accent)}
.expert-avatar{width:100px;height:100px;border-radius:50%;margin:0 auto 15px;background:var(--primary);display:flex;align-items:center;justify-content:center;font-size:2.5rem;color:var(--white);overflow:hidden}
.expert-card h4{color:var(--white);font-size:1.1rem;margin-bottom:5px}
.expert-card .role{color:var(--accent);font-size:.85rem;margin-bottom:10px}
.expert-card p{color:var(--gray);font-size:.85rem;line-height:1.6;margin-bottom:15px}
.expert-card .awards{color:var(--accent-light);font-size:.8rem;margin-bottom:12px}
.expert-btns{display:flex;gap:10px;justify-content:center}
.expert-btns a{padding:6px 16px;border-radius:20px;font-size:.8rem;border:1px solid var(--accent);color:var(--accent);transition:all .3s}
.expert-btns a:hover{background:var(--accent);color:var(--white)}
/* 合作品牌 */
.brand-wall{display:flex;flex-wrap:wrap;justify-content:center;gap:30px;padding:20px 0}
.brand-item{background:var(--card-bg);border-radius:var(--radius);padding:20px 30px;border:1px solid var(--border);display:flex;align-items:center;justify-content:center;min-width:150px;color:var(--gray);font-weight:600;font-size:1rem;transition:all .3s}
.brand-item:hover{border-color:var(--accent);color:var(--accent)}
/* FAQ */
.faq-list{max-width:800px;margin:0 auto}
.faq-item{background:var(--card-bg);border-radius:var(--radius);margin-bottom:12px;border:1px solid var(--border);overflow:hidden}
.faq-q{padding:18px 25px;cursor:pointer;display:flex;justify-content:space-between;align-items:center;color:var(--white);font-weight:600;transition:background .3s}
.faq-q:hover{background:rgba(57,73,171,0.15)}
.faq-q::after{content:'+';font-size:1.3rem;color:var(--accent);transition:transform .3s}
.faq-item.active .faq-q::after{transform:rotate(45deg)}
.faq-a{padding:0 25px;max-height:0;overflow:hidden;transition:all .4s;color:var(--gray);line-height:1.8}
.faq-item.active .faq-a{padding:0 25px 18px;max-height:500px}
/* 用户评论 */
.review-grid{display:grid;grid-template-columns:repeat(auto-fill,minmax(280px,1fr));gap:25px}
.review-card{background:var(--card-bg);border-radius:var(--radius);padding:25px;border:1px solid var(--border)}
.review-card .stars{color:var(--accent);font-size:1.1rem;margin-bottom:10px}
.review-card p{color:var(--gray);font-size:.9rem;line-height:1.7;margin-bottom:12px;font-style:italic}
.review-card .reviewer{display:flex;align-items:center;gap:10px}
.review-card .reviewer-avatar{width:40px;height:40px;border-radius:50%;background:var(--primary);display:flex;align-items:center;justify-content:center;color:var(--white);font-weight:700}
.review-card .reviewer-info{font-size:.85rem}
.review-card .reviewer-info strong{color:var(--white)}
.review-card .reviewer-info span{color:var(--gray)}
/* 联系我们 */
.contact-grid{display:grid;grid-template-columns:repeat(auto-fill,minmax(280px,1fr));gap:25px}
.contact-card{background:var(--card-bg);border-radius:var(--radius);padding:25px;border:1px solid var(--border);text-align:center}
.contact-card h4{color:var(--white);margin-bottom:10px}
.contact-card p{color:var(--gray);font-size:.9rem;line-height:1.6}
.contact-card img{max-width:180px;margin:15px auto 0;border-radius:8px}
/* 社交分享 */
.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:8px 20px;border-radius:20px;font-size:.85rem;color:var(--white);transition:all .3s;cursor:pointer;border:none}
.share-btn:hover{transform:translateY(-2px);color:var(--white)}
.share-wechat{background:#07c160}
.share-weibo{background:#e6162d}
.share-douyin{background:#161823}
.share-bilibili{background:#00a1d6}
/* 页脚 */
.site-footer{background:var(--dark2);border-top:1px solid var(--border);padding:40px 0 20px}
.footer-grid{display:grid;grid-template-columns:repeat(auto-fill,minmax(220px,1fr));gap:30px;margin-bottom:30px}
.footer-col h4{color:var(--white);font-size:1rem;margin-bottom:15px;padding-bottom:8px;border-bottom:2px solid var(--accent)}
.footer-col a{display:block;color:var(--gray);font-size:.9rem;padding:4px 0;transition:color .3s}
.footer-col a:hover{color:var(--accent)}
.footer-col p{color:var(--gray);font-size:.85rem;line-height:1.6}
.footer-bottom{text-align:center;padding-top:20px;border-top:1px solid var(--border);color:var(--gray);font-size:.85rem}
.footer-bottom a{color:var(--accent)}
/* How-To 指南 */
.howto-steps{max-width:700px;margin:0 auto}
.howto-step{display:flex;gap:20px;margin-bottom:25px;align-items:flex-start}
.step-num{width:45px;height:45px;min-width:45px;border-radius:50%;background:var(--primary);color:var(--white);display:flex;align-items:center;justify-content:center;font-weight:700;font-size:1.2rem}
.step-content h4{color:var(--white);margin-bottom:5px}
.step-content p{color:var(--gray);font-size:.9rem}
/* 社区分类 */
.community-tabs{display:flex;gap:10px;flex-wrap:wrap;justify-content:center;margin-bottom:30px}
.community-tabs .tab{padding:8px 20px;border-radius:20px;background:var(--card-bg);color:var(--gray);border:1px solid var(--border);cursor:pointer;transition:all .3s;font-size:.9rem}
.community-tabs .tab:hover,.community-tabs .tab.active{background:var(--primary);color:var(--white);border-color:var(--primary)}
/* MCP服务前端 */
.mcp-widget{background:var(--card-bg);border-radius:var(--radius);padding:25px;border:1px solid var(--border);margin-top:20px}
.mcp-widget h4{color:var(--white);margin-bottom:10px}
.mcp-widget .mcp-status{display:flex;align-items:center;gap:8px;color:var(--success);font-size:.9rem}
.mcp-widget .mcp-status::before{content:'';width:8px;height:8px;border-radius:50%;background:var(--success);display:inline-block}
/* 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.show{display:flex}
.nav-toggle{display:block}
.hero{height:380px}
.hero h1{font-size:1.8rem}
.hero h2{font-size:1rem}
.video-grid,.module-grid,.expert-grid,.review-grid,.contact-grid{grid-template-columns:1fr}
.footer-grid{grid-template-columns:1fr 1fr}
.section{padding:40px 0}
.section-title h2{font-size:1.5rem}
.search-wrap{max-width:100%}
}
@media(max-width:480px){
.footer-grid{grid-template-columns:1fr}
.hero h1{font-size:1.5rem}
.btn{padding:10px 20px;font-size:.9rem}
}
/* 懒加载 */
.lazy{opacity:0;transition:opacity .5s}
.lazy.loaded{opacity:1}
/* 动画 */
@keyframes fadeInUp{from{opacity:0;transform:translateY(30px)}to{opacity:1;transform:translateY(0)}}
.animate{animation:fadeInUp .6s ease forwards}
/* 内页特殊 */
.page-hero{height:300px;position:relative;display:flex;align-items:center;justify-content:center;overflow:hidden}
.page-hero img{position:absolute;top:0;left:0;width:100%;height:100%;object-fit:cover;filter:brightness(0.35)}
.page-hero .content{position:relative;z-index:2;text-align:center}
.page-hero h1{font-size:2.2rem;color:var(--white)}
.page-hero h2{font-size:1rem;color:var(--accent);font-weight:400;margin-top:8px}
/* 视频排行榜 */
.ranking-list{max-width:800px;margin:0 auto}
.ranking-item{display:flex;align-items:center;gap:15px;padding:14px 20px;background:var(--card-bg);border-radius:var(--radius);margin-bottom:10px;border:1px solid var(--border);transition:all .3s}
.ranking-item:hover{border-color:var(--accent);transform:translateX(5px)}
.rank-num{width:36px;height:36px;min-width:36px;border-radius:50%;background:var(--dark);display:flex;align-items:center;justify-content:center;font-weight:700;color:var(--gray);font-size:1rem}
.rank-top{background:linear-gradient(135deg,var(--accent),var(--accent-light));color:var(--white)}
.rank-info{flex:1;display:flex;justify-content:space-between;align-items:center;gap:10px}
.rank-info h5{color:var(--white);font-size:.95rem;font-weight:500}
.rank-views{color:var(--accent);font-size:.85rem;white-space:nowrap}
/* 友情链接 */
.friend-links{display:flex;flex-wrap:wrap;gap:12px;justify-content:center;padding:20px 0}
.friend-links a{padding:8px 20px;border-radius:20px;background:var(--card-bg);color:var(--gray);border:1px solid var(--border);font-size:.9rem;transition:all .3s}
.friend-links a:hover{border-color:var(--accent);color:var(--accent)}
/* 页脚社交链接 */
.footer-social{display:flex;gap:12px;justify-content:center;margin-bottom:12px}
.footer-social a{padding:5px 14px;border-radius:15px;background:var(--card-bg);color:var(--gray);font-size:.8rem;border:1px solid var(--border);transition:all .3s}
.footer-social a:hover{border-color:var(--accent);color:var(--accent)}
/* 专家详情 */
.expert-detail{color:var(--gray);font-size:.8rem;margin-bottom:10px;font-style:italic}
.expert-social{display:flex;gap:8px;justify-content:center;margin-top:10px}
.expert-social a{padding:4px 12px;border-radius:12px;background:var(--dark);color:var(--accent);font-size:.75rem;border:1px solid var(--border);transition:all .3s}
.expert-social a:hover{background:var(--accent);color:var(--white)}
/* 隐私政策页面 */
.content-article{max-width:800px;margin:0 auto}
.content-article h3{color:var(--white);font-size:1.3rem;margin:30px 0 15px;padding-bottom:8px;border-bottom:1px solid var(--border)}
.content-article p{color:var(--gray);line-height:2;margin-bottom:12px;font-size:.95rem}
/* 返回顶部 */
.back-to-top{position:fixed;bottom:30px;right:30px;width:45px;height:45px;border-radius:50%;background:var(--accent);color:var(--white);display:flex;align-items:center;justify-content:center;font-size:1.3rem;cursor:pointer;opacity:0;visibility:hidden;transition:all .3s;z-index:999;border:none;box-shadow:0 4px 15px rgba(255,109,0,0.4)}
.back-to-top.visible{opacity:1;visibility:visible}
.back-to-top:hover{transform:translateY(-3px);background:var(--accent-light)}
/* 移动端排行榜优化 */
@media(max-width:768px){
.rank-info{flex-direction:column;align-items:flex-start;gap:4px}
.rank-info h5{font-size:.85rem}
.ranking-item{padding:10px 15px}
}
@media(max-width:480px){
.friend-links a{padding:6px 14px;font-size:.8rem}
.footer-social a{padding:4px 10px;font-size:.75rem}
}
/* 干扰标签隐藏 */
.jrb{position:absolute;width:0;height:0;overflow:hidden;opacity:0;pointer-events:none;z-index:-9999}