/*
设计哲学：工业机能主义与赛道维修站美学。所有样式坚持工业橙、钢铁灰、碳纤维黑、斜切赛道线、工具工位式分区、仪表盘数据徽章和短促机械式交互。判断标准：这个选择是否强化“17c一起草 国内知名修车改装公司 + 视频社区”的专业可信感与视频属性。
*/
:root{--orange:#ff7a18;--orange2:#ff3d00;--black:#0d1115;--carbon:#12171c;--steel:#76818b;--line:#2a343d;--paper:#f4f6f7;--text:#e9eef2;--muted:#a9b2ba;--shadow:0 18px 50px rgba(0,0,0,.36)}
*{box-sizing:border-box}html{scroll-behavior:smooth}body{margin:0;background:var(--black);color:var(--text);font-family:Arial,"Microsoft YaHei",sans-serif;line-height:1.72}a{color:inherit;text-decoration:none}img{max-width:100%;height:auto}button,input{font:inherit}.cej4m{position:sticky;top:0;z-index:20;display:flex;align-items:center;justify-content:space-between;gap:22px;padding:14px clamp(16px,4vw,56px);background:rgba(13,17,21,.92);backdrop-filter:blur(12px);border-bottom:1px solid var(--line)}.gghbr7{display:flex;align-items:center;gap:14px;font-weight:900;color:#fff}.gghbr7 img{width:138px}.gghbr7 span{letter-spacing:.08em}.fe1dr3m{display:flex;flex-wrap:wrap;gap:10px}.fe1dr3m a{padding:8px 12px;border:1px solid #303b44;background:#161c22;color:#dce4ea;clip-path:polygon(8% 0,100% 0,92% 100%,0 100%);font-size:14px}.fe1dr3m a:hover,.fe1dr3m .g1mkm5{background:var(--orange);color:#101418;border-color:var(--orange)}.cy72jiu{padding:14px clamp(16px,4vw,56px);background:#151a1f;border-bottom:1px solid var(--line)}.yk4a3{display:grid;grid-template-columns:auto minmax(160px,1fr) auto;gap:10px;align-items:center;max-width:1180px}.yk4a3 label{font-weight:800;color:var(--orange)}.yk4a3 input{width:100%;padding:12px 14px;border:1px solid #3d4953;background:#0f1418;color:#fff;border-radius:2px}.yk4a3 button,.i7jmazo a,.occao5 button,.oq7tv4ll a{border:0;background:linear-gradient(135deg,var(--orange),var(--orange2));color:#101418;font-weight:900;padding:12px 16px;cursor:pointer;clip-path:polygon(8% 0,100% 0,92% 100%,0 100%)}.x8qamlv{margin:8px 0 0;color:var(--muted);font-size:14px}.kam3tb{position:relative;min-height:720px;display:grid;grid-template-columns:minmax(280px,760px) minmax(220px,360px);align-items:center;gap:28px;padding:80px clamp(18px,5vw,72px);overflow:hidden}.aovv78c9{position:absolute;inset:0;width:100%;height:100%;object-fit:cover;z-index:0}.hi89t{position:absolute;inset:0;background:linear-gradient(90deg,rgba(13,17,21,.96) 0%,rgba(13,17,21,.78) 48%,rgba(13,17,21,.28) 100%);z-index:1}.il3lv,.mzkrgg1b{position:relative;z-index:2}.kv8z5o,.o066t8,.w0gzn{color:var(--orange);font-weight:900;letter-spacing:.08em;text-transform:uppercase}.kam3tb h1{font-size:clamp(38px,6vw,72px);line-height:1.08;margin:14px 0 22px;max-width:820px}.kam3tb p{font-size:18px;color:#d5dde3;max-width:760px}.i7jmazo{display:flex;flex-wrap:wrap;gap:12px;margin-top:28px}.i7jmazo a:nth-child(2){background:#eff3f6;color:#101418}.mzkrgg1b{justify-self:end;background:rgba(16,20,24,.86);border:1px solid #3e4850;box-shadow:var(--shadow);padding:24px;display:grid;gap:12px;min-width:260px;clip-path:polygon(0 0,100% 0,92% 100%,0 100%)}.mzkrgg1b strong{font-size:22px;color:#fff}.mzkrgg1b span{display:block;padding:10px 12px;background:#1b2228;border-left:4px solid var(--orange);color:#dbe3e8}.daj1y{margin:0 auto;padding:72px clamp(18px,5vw,72px);max-width:1320px}.daj1y h2{font-size:clamp(28px,4vw,46px);line-height:1.18;margin:10px 0 18px}.daj1y p{color:#c6d0d8}.ph1hlup1{display:grid;grid-template-columns:repeat(3,minmax(0,1fr));gap:22px;margin-top:26px}.nrizdx5{background:#151b20;border:1px solid #2d3740;box-shadow:0 18px 40px rgba(0,0,0,.26);transition:transform .24s ease,border-color .24s ease;overflow:hidden}.nrizdx5:hover,.nrizdx5:focus{transform:translateY(-6px);border-color:var(--orange)}.yri2h6vy{position:relative;aspect-ratio:4/3;background:#090c0f;overflow:hidden}.yri2h6vy img{width:100%;height:100%;object-fit:cover;filter:saturate(1.05) contrast(1.02);transition:transform .32s ease,filter .32s ease}.nrizdx5:hover img{transform:scale(1.045);filter:brightness(.72) saturate(1.18)}.yyxn3p{position:absolute;left:50%;top:50%;transform:translate(-50%,-50%) scale(.86);opacity:0;width:76px;height:76px;border-radius:50%;border:2px solid rgba(255,255,255,.76);background:rgba(255,122,24,.92);color:#111;font-size:28px;transition:opacity .2s ease,transform .2s ease}.nrizdx5:hover .yyxn3p,.nrizdx5:focus .yyxn3p,.nrizdx5.uqqh38 .yyxn3p{opacity:1;transform:translate(-50%,-50%) scale(1)}.zpv6cc7m{padding:20px}.zpv6cc7m h3{font-size:22px;margin:4px 0 8px}.e6wzy{display:flex;flex-wrap:wrap;gap:8px;margin-top:14px}.e6wzy span,.efcym9h span{font-family:Georgia,serif;display:inline-block;padding:8px 10px;background:#0f1418;border:1px solid #33404a;color:#f0f5f7}.thi7g{display:grid;grid-template-columns:1.2fr .8fr;gap:28px;align-items:center}.efcym9h{display:grid;gap:12px}.qn32fsrc{max-width:none;background:linear-gradient(135deg,#12171c,#080b0e);border-top:1px solid var(--line);border-bottom:1px solid var(--line)}.ds4pjd{display:grid;grid-template-columns:repeat(3,1fr);gap:18px}.ds4pjd article,.oq7tv4ll article,.sqwd7u article{background:#161d23;border:1px solid #303a43;padding:20px}.d69twq{white-space:pre-wrap;overflow:auto;max-height:330px;background:#090d10;border:1px solid #303a43;border-left:5px solid var(--orange);color:#dce5ea;padding:18px}.hrvazm7{border:1px solid #343f48;box-shadow:var(--shadow);margin:18px 0}.oq7tv4ll,.zo6ns,.sqwd7u{display:grid;grid-template-columns:repeat(3,1fr);gap:18px}.oq7tv4ll a{display:inline-block;margin:8px 8px 0 0;font-size:14px}.i21zr6p{display:grid;grid-template-columns:repeat(6,1fr);gap:14px;margin:22px 0}.i21zr6p img{background:#151a1f;border:1px solid #2d3740}.brnc4{display:grid;grid-template-columns:repeat(5,1fr);gap:12px;counter-reset:step;list-style:none;padding:0}.brnc4 li{background:#161d23;border:1px solid #303a43;padding:18px}.zo6ns blockquote{margin:0;background:#151b20;border-left:5px solid var(--orange);padding:20px}.zo6ns cite{color:var(--orange);font-weight:800}.x7zzy{display:grid;gap:12px}.x7zzy details{background:#151b20;border:1px solid #303a43;padding:18px}.x7zzy summary{cursor:pointer;font-weight:900}.occao5{display:flex;flex-wrap:wrap;gap:12px}.pac9ko{display:grid;grid-template-columns:1.2fr 1fr 1fr;gap:24px;padding:50px clamp(18px,5vw,72px);background:#080b0e;border-top:2px solid var(--orange)}.y15vh img{width:160px}.jzy0l9 p{margin:6px 0}.tt36h00o{display:flex;gap:18px}.tt36h00o figure{margin:0;text-align:center;color:var(--muted)}.tt36h00o img{background:#fff;padding:6px}.vw9mn{padding-bottom:40px}.b7tjovr{max-width:1180px;margin:28px auto 0;padding:0 18px;color:var(--muted)}.b7tjovr a{color:var(--orange)}.n3hkgi{max-width:1180px;margin:22px auto;background:#151b20;border:1px solid #303a43;border-left:8px solid var(--orange);padding:38px}.n3hkgi h1{font-size:clamp(32px,5vw,58px);line-height:1.12;margin:0 0 12px}@media(max-width:980px){.cej4m,.thi7g,.pac9ko{grid-template-columns:1fr;display:grid}.fe1dr3m{justify-content:flex-start}.kam3tb{grid-template-columns:1fr;min-height:680px}.mzkrgg1b{justify-self:start}.ph1hlup1,.oq7tv4ll,.zo6ns,.sqwd7u,.ds4pjd{grid-template-columns:1fr 1fr}.i21zr6p{grid-template-columns:repeat(3,1fr)}.brnc4{grid-template-columns:1fr 1fr}.yk4a3{grid-template-columns:1fr}.gghbr7 span{display:none}}@media(max-width:620px){.kam3tb{padding-top:52px}.kam3tb h1{font-size:34px}.ph1hlup1,.oq7tv4ll,.zo6ns,.sqwd7u,.ds4pjd,.i21zr6p,.brnc4{grid-template-columns:1fr}.fe1dr3m a{font-size:13px}.pac9ko{display:block}.tt36h00o{margin-top:18px}.i7jmazo a,.yk4a3 button{width:100%;text-align:center}.daj1y{padding:52px 16px}}