/* ============================================
   小蓝视频修车改装 - 原创CSS样式表
   品牌色: 机械橙 #FF7800 / 钢铁灰 #2B2D33 / 赛道蓝 #0077CC
   ============================================ */
*,*::before,*::after{margin:0;padding:0;box-sizing:border-box}
html{font-size:16px;scroll-behavior:smooth}
body{font-family:"PingFang SC","Hiragino Sans GB","Microsoft YaHei",sans-serif;color:#e0e0e0;background:#1a1a1e;line-height:1.7;overflow-x:hidden}
a{color:#FF7800;text-decoration:none;transition:color .3s}
a:hover{color:#0077CC}
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:#fff}
.container{max-width:1200px;margin:0 auto;padding:0 20px}

/* ============ Header ============ */
.site-header{background:linear-gradient(180deg,#1c1c20 0%,#2B2D33 100%);position:sticky;top:0;z-index:1000;box-shadow:0 2px 20px rgba(0,0,0,.5);border-bottom:2px solid #FF7800}
.pw8rpl{display:flex;align-items:center;justify-content:space-between;padding:10px 20px;max-width:1200px;margin:0 auto}
.eysburrr{display:flex;align-items:center;gap:10px}
.eysburrr img{height:44px;width:auto}
.dfrlc4qg{color:#fff;font-size:1.5rem;font-weight:800;letter-spacing:2px}
.dfrlc4qg span{color:#FF7800}
.main-nav{display:flex;align-items:center;gap:0}
.main-nav a{color:rgba(255,255,255,.8);padding:10px 15px;font-size:.92rem;font-weight:500;border-radius:4px;transition:all .3s;border-bottom:2px solid transparent}
.main-nav a:hover,.main-nav a.active{color:#FF7800;border-bottom-color:#FF7800}
.mobile-toggle{display:none;background:none;border:none;color:#fff;font-size:1.6rem;cursor:pointer;padding:8px}

/* Search */
.x83or{background:#2B2D33;padding:12px 0;border-bottom:1px solid #3a3a40}
.4y7lj{max-width:640px;margin:0 auto;display:flex;gap:0;padding:0 20px}
.4y7lj input{flex:1;padding:11px 18px;border:2px solid #444;border-radius:4px 0 0 4px;font-size:.95rem;outline:none;background:#1a1a1e;color:#e0e0e0;transition:border-color .3s}
.4y7lj input:focus{border-color:#FF7800}
.4y7lj button{padding:11px 24px;background:#FF7800;color:#fff;border:none;border-radius:0 4px 4px 0;font-size:.95rem;cursor:pointer;font-weight:600;transition:background .3s}
.4y7lj button:hover{background:#0077CC}

/* ============ Hero ============ */
.hero-section{position:relative;overflow:hidden;min-height:460px;display:flex;align-items:center;background:#1a1a1e}
.hero-bg{position:absolute;inset:0;background-size:cover;background-position:center;opacity:.45}
.hero-overlay{position:absolute;inset:0;background:linear-gradient(180deg,rgba(26,26,30,.3) 0%,rgba(26,26,30,.85) 100%)}
.hero-content{position:relative;z-index:2;text-align:center;width:100%;padding:60px 20px}
.hero-content h1{color:#fff;font-size:2.5rem;margin-bottom:14px;text-shadow:0 2px 15px rgba(0,0,0,.6)}
.hero-content h1 span{color:#FF7800}
.hero-content p{color:rgba(255,255,255,.85);font-size:1.1rem;max-width:680px;margin:0 auto 26px}
.j8nok9{display:flex;gap:14px;justify-content:center;flex-wrap:wrap}
.nl8ln7wo{display:inline-block;padding:13px 34px;background:linear-gradient(135deg,#FF7800,#e06800);color:#fff;border-radius:4px;font-weight:700;font-size:1rem;transition:transform .3s,box-shadow .3s;border:none;cursor:pointer}
.nl8ln7wo:hover{transform:translateY(-2px);box-shadow:0 6px 20px rgba(255,120,0,.4);color:#fff}
.aqi8w4g2{display:inline-block;padding:13px 34px;background:transparent;color:#fff;border:2px solid rgba(255,255,255,.5);border-radius:4px;font-weight:700;font-size:1rem;transition:all .3s}
.aqi8w4g2:hover{border-color:#FF7800;color:#FF7800}

/* ============ Sections ============ */
.ynbj3te{text-align:center;margin-bottom:40px}
.ynbj3te h2{font-size:1.9rem;color:#fff;margin-bottom:8px}
.ynbj3te h2 span{color:#FF7800}
.ynbj3te p{color:#999;font-size:1rem;max-width:600px;margin:0 auto}
.ldy8kjr{padding:60px 0;background:#1a1a1e}
.u33qq5z{padding:60px 0;background:#222228}
.7bwc5{padding:60px 0;background:linear-gradient(135deg,#2B2D33 0%,#1a1a1e 100%)}

/* ============ Video Grid ============ */
.hbmba9k{display:grid;grid-template-columns:repeat(3,1fr);gap:22px}
.v9hyffg{background:#2B2D33;border-radius:6px;overflow:hidden;transition:transform .3s,box-shadow .3s;border:1px solid #3a3a40}
.v9hyffg:hover{transform:translateY(-4px);box-shadow:0 8px 30px rgba(255,120,0,.15)}
.0q2afndj{position:relative;overflow:hidden;aspect-ratio:16/9}
.0q2afndj img{width:100%;height:100%;object-fit:cover;transition:transform .4s}
.v9hyffg:hover .0q2afndj 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;cursor:pointer}
.play-btn::after{content:"";width:50px;height:50px;background:#FF7800;border-radius:50%;display:flex;align-items:center;justify-content:center;box-shadow:0 0 20px rgba(255,120,0,.5)}
.play-btn::before{content:"";position:absolute;border:12px solid transparent;border-left:18px solid #fff;margin-left:6px;z-index:1}
.v9hyffg:hover .play-btn{opacity:1}
.mol8y5rk{position:absolute;bottom:8px;right:8px;background:rgba(0,0,0,.8);color:#fff;padding:2px 8px;border-radius:3px;font-size:.78rem}
.8xbqxjsl{padding:14px}
.8xbqxjsl h3{font-size:1rem;color:#e0e0e0;margin-bottom:6px;line-height:1.4}
.jlk7v{display:flex;gap:12px;color:#888;font-size:.82rem;margin-bottom:6px}
.kcsloqa8{display:flex;gap:6px;flex-wrap:wrap}
.kcsloqa8 span{background:#3a3a40;color:#bbb;padding:2px 8px;border-radius:3px;font-size:.75rem}

/* ============ Tab Nav ============ */
.q5jf7{display:flex;gap:8px;justify-content:center;margin-bottom:28px;flex-wrap:wrap}
.q5jf7 a{padding:8px 20px;background:#2B2D33;color:#bbb;border-radius:4px;font-size:.9rem;border:1px solid #3a3a40;transition:all .3s}
.q5jf7 a:hover,.q5jf7 a.active{background:#FF7800;color:#fff;border-color:#FF7800}

/* ============ Service Grid ============ */
.qytm3b{display:grid;grid-template-columns:repeat(3,1fr);gap:22px}
.tbpuetcj{background:#2B2D33;border-radius:6px;padding:28px 22px;text-align:center;border:1px solid #3a3a40;transition:all .3s}
.tbpuetcj:hover{border-color:#FF7800;transform:translateY(-3px)}
.rt05zqn{font-size:2.2rem;margin-bottom:14px}
.tbpuetcj h3{color:#fff;font-size:1.05rem;margin-bottom:8px}
.tbpuetcj p{color:#999;font-size:.88rem}

/* ============ Update Timeline ============ */
.0i5il9dv{max-width:800px;margin:0 auto}
.buhyi9{display:flex;gap:20px;padding:16px 0;border-bottom:1px solid #3a3a40}
.jxuelh7{min-width:100px;color:#FF7800;font-weight:600;font-size:.88rem}
.bmiafk h4{color:#e0e0e0;font-size:.95rem;margin-bottom:4px}
.bmiafk p{color:#888;font-size:.85rem}

/* ============ Community Features ============ */
.lut0a{display:grid;grid-template-columns:repeat(3,1fr);gap:22px}
.yaoq35c{background:#2B2D33;border-radius:6px;padding:24px 20px;text-align:center;border:1px solid #3a3a40;transition:all .3s}
.yaoq35c:hover{border-color:#0077CC;box-shadow:0 4px 20px rgba(0,119,204,.15)}
.jdsen7{font-size:2rem;margin-bottom:12px}
.yaoq35c h4{color:#fff;margin-bottom:6px}
.yaoq35c p{color:#999;font-size:.85rem}

/* ============ Expert Grid ============ */
.pijqo{display:grid;grid-template-columns:repeat(auto-fit,minmax(260px,1fr));gap:24px}
.fjl4n{background:#2B2D33;border-radius:6px;padding:24px;text-align:center;border:1px solid #3a3a40}
.3q75x{width:100px;height:100px;border-radius:50%;margin:0 auto 14px;object-fit:cover;border:3px solid #FF7800}
.fjl4n h4{color:#fff;margin-bottom:4px}
.fjl4n .role{color:#FF7800;font-size:.85rem;margin-bottom:8px}
.fjl4n p{color:#999;font-size:.85rem;margin-bottom:10px}
.98xmgr3p{display:flex;gap:8px;justify-content:center}
.98xmgr3p a{padding:6px 14px;border-radius:4px;font-size:.8rem;font-weight:600}
.ahqzl{background:#FF7800;color:#fff}
.kmefmv6t{background:#0077CC;color:#fff}

/* ============ Awards ============ */
.0eedtl{display:grid;grid-template-columns:repeat(auto-fit,minmax(240px,1fr));gap:20px}
.e3rxh9{background:#2B2D33;border-radius:6px;padding:22px;text-align:center;border:1px solid #3a3a40}
.ml9jn{font-size:2rem;margin-bottom:10px;color:#FF7800}
.e3rxh9 h4{color:#fff;margin-bottom:4px;font-size:.95rem}
.e3rxh9 p{color:#888;font-size:.82rem}

/* ============ Partner Wall ============ */
.geyaq{display:flex;flex-wrap:wrap;gap:20px;justify-content:center;align-items:center}
.p6alpq5x{background:#2B2D33;border:1px solid #3a3a40;border-radius:6px;padding:16px 28px;color:#bbb;font-weight:600;font-size:.95rem;transition:all .3s}
.p6alpq5x:hover{border-color:#FF7800;color:#FF7800}

/* ============ HowTo ============ */
.5pyb1{display:grid;grid-template-columns:repeat(4,1fr);gap:20px;max-width:900px;margin:0 auto}
.6ozoh{text-align:center;padding:20px}
.6ozoh .f91n5t{width:48px;height:48px;background:#FF7800;color:#fff;border-radius:50%;display:flex;align-items:center;justify-content:center;font-size:1.3rem;font-weight:800;margin:0 auto 12px}
.6ozoh h4{color:#fff;margin-bottom:6px;font-size:.95rem}
.6ozoh p{color:#999;font-size:.82rem}

/* ============ FAQ ============ */
.yiyo2a{max-width:800px;margin:0 auto}
.faq-item{border-bottom:1px solid #3a3a40;padding:16px 0}
.faq-question{display:flex;justify-content:space-between;align-items:center;cursor:pointer;color:#e0e0e0;font-weight:600;font-size:1rem;padding:4px 0}
.faq-question::after{content:"+";color:#FF7800;font-size:1.3rem;font-weight:700;transition:transform .3s}
.faq-item.open .faq-question::after{transform:rotate(45deg)}
.faq-answer{max-height:0;overflow:hidden;transition:max-height .4s ease;color:#999;font-size:.9rem;line-height:1.6}
.faq-item.open .faq-answer{max-height:300px;padding-top:10px}

/* ============ Reviews ============ */
.lxwzvdr{display:grid;grid-template-columns:repeat(auto-fit,minmax(280px,1fr));gap:20px}
.3gxr1ca{background:#2B2D33;border-radius:6px;padding:22px;border:1px solid #3a3a40}
.izpqd6m{display:flex;align-items:center;gap:12px;margin-bottom:12px}
.uonesh5{width:44px;height:44px;border-radius:50%;background:#FF7800;display:flex;align-items:center;justify-content:center;color:#fff;font-weight:700;font-size:1.1rem}
.jq8s8dk6{color:#e0e0e0;font-weight:600;font-size:.92rem}
.fjchyqmn{color:#888;font-size:.78rem}
.ulomr{color:#FF7800;margin-bottom:8px;font-size:.9rem}
.3ll5za{color:#bbb;font-size:.88rem;line-height:1.6}

/* ============ Contact ============ */
.rftobk{display:grid;grid-template-columns:repeat(auto-fit,minmax(250px,1fr));gap:22px}
.rd22fvqx{background:#2B2D33;border-radius:6px;padding:22px;text-align:center;border:1px solid #3a3a40}
.rd22fvqx h4{color:#fff;margin-bottom:8px}
.rd22fvqx p{color:#999;font-size:.88rem}
.0vdmv1{width:120px;height:120px;margin:10px auto;border-radius:6px}

/* ============ Share ============ */
.zd0vfem{display:flex;gap:10px;justify-content:center;margin:30px 0;flex-wrap:wrap}
.i9spfi{padding:10px 20px;border-radius:4px;color:#fff;font-size:.88rem;font-weight:600;cursor:pointer;border:none;transition:opacity .3s}
.i9spfi:hover{opacity:.85}
.capv25{background:#07C160}
.tofc3qxk{background:#E6162D}
.030eat{background:#111}
.wunr54{background:#00A1D6}

/* ============ Footer ============ */
.site-footer{background:#111114;padding:40px 0 0;border-top:2px solid #FF7800}
.ybe2h{display:grid;grid-template-columns:repeat(4,1fr);gap:30px;margin-bottom:30px}
.dsy5c h4{color:#FF7800;margin-bottom:14px;font-size:1rem}
.dsy5c p,.dsy5c a{color:#888;font-size:.88rem;display:block;margin-bottom:6px}
.dsy5c a:hover{color:#FF7800}
.cm3qy{display:flex;align-items:center;gap:8px;margin-bottom:12px}
.cm3qy img{height:36px}
.x5ft4g{border-top:1px solid #2a2a2e;padding:18px 0;text-align:center;color:#666;font-size:.82rem}
.o58ak{color:#FF7800}

/* ============ Back Top ============ */
.back-top{position:fixed;bottom:30px;right:30px;width:44px;height:44px;background:#FF7800;color:#fff;border:none;border-radius:4px;font-size:1.2rem;cursor:pointer;display:none;z-index:999;transition:opacity .3s;box-shadow:0 2px 10px rgba(255,120,0,.3)}
.back-top:hover{background:#0077CC}

/* ============ Video Modal ============ */
.video-modal{display:none;position:fixed;inset:0;background:rgba(0,0,0,.85);z-index:2000;align-items:center;justify-content:center}
.video-modal.show{display:flex}
.95yiq9ni{background:#2B2D33;border-radius:8px;padding:20px;max-width:720px;width:90%;text-align:center}
.95yiq9ni h3{color:#fff;margin-bottom:12px}
.95yiq9ni p{color:#999;margin-bottom:16px}
.7vab7u{background:#FF7800;color:#fff;border:none;padding:10px 24px;border-radius:4px;cursor:pointer;font-weight:600}

/* ============ Responsive ============ */
@media(max-width:992px){
.hbmba9k,.qytm3b,.lut0a{grid-template-columns:repeat(2,1fr)}
.ybe2h{grid-template-columns:repeat(2,1fr)}
.5pyb1{grid-template-columns:repeat(2,1fr)}
.pijqo{grid-template-columns:1fr 1fr}
}
@media(max-width:768px){
.pw8rpl{flex-wrap:wrap}
.main-nav{display:none;width:100%;flex-direction:column;padding:10px 0}
.main-nav.show{display:flex}
.mobile-toggle{display:block}
.hero-content h1{font-size:1.8rem}
.hbmba9k,.qytm3b,.lut0a{grid-template-columns:1fr}
.ybe2h{grid-template-columns:1fr}
.5pyb1{grid-template-columns:1fr}
.pijqo{grid-template-columns:1fr}
.ynbj3te h2{font-size:1.5rem}
}