/*
海角社区设计哲学：低照度赛道新浪潮。
本文件必须服务于夜间改装工坊、斜切仪表台、视频胶片带、琥珀钛灰配色与仪表数据铭牌；任何样式选择都应回答：是否强化海角社区汽车改装视频社区的专业、原创、视频优先气质？
*/
:root{--oil:#080a09;--oil-2:#101311;--panel:#151916;--panel-2:#20251f;--titanium:#a9ada8;--paper:#f5eddc;--muted:#9da394;--amber:#de9737;--amber-2:#ffbf5a;--green:#8fdc2e;--line:rgba(222,151,55,.28);--shadow:0 26px 80px rgba(0,0,0,.45);--max:1220px;--cut:polygon(0 0,100% 0,96% 100%,0 92%)}
*{box-sizing:border-box}html{scroll-behavior:smooth}body{margin:0;background:radial-gradient(circle at 20% 0%,rgba(222,151,55,.12),transparent 32rem),linear-gradient(135deg,#080a09 0%,#101311 45%,#070807 100%);color:var(--paper);font-family:"Microsoft YaHei","PingFang SC",system-ui,sans-serif;line-height:1.72;overflow-x:hidden}body:before{content:"";position:fixed;inset:0;pointer-events:none;background-image:linear-gradient(rgba(255,255,255,.025) 1px,transparent 1px),linear-gradient(90deg,rgba(255,255,255,.018) 1px,transparent 1px);background-size:42px 42px;mask-image:linear-gradient(to bottom,rgba(0,0,0,.75),transparent 75%);z-index:-1}.seo-disturb{display:none!important;visibility:hidden!important;height:0!important;overflow:hidden!important}.site-header{position:relative;z-index:5;border-bottom:1px solid var(--line);background:rgba(8,10,9,.88);backdrop-filter:blur(18px)}.nav-shell{max-width:var(--max);margin:0 auto;display:flex;align-items:center;gap:1.2rem;padding:1rem 1.2rem}.brand-lockup{display:flex;align-items:center;gap:.75rem;color:var(--paper);text-decoration:none;font-weight:900;letter-spacing:.08em;white-space:nowrap}.nav-logo{width:64px;height:42px;object-fit:contain;filter:drop-shadow(0 0 18px rgba(222,151,55,.42))}.tiny-logo{width:34px;height:34px;object-fit:contain;margin-left:auto;border:1px solid var(--line);background:#070807;border-radius:50%;padding:3px}.main-nav{display:flex;align-items:center;gap:.2rem;flex-wrap:wrap}.main-nav a{color:var(--titanium);text-decoration:none;font-size:.92rem;padding:.66rem .76rem;border:1px solid transparent;clip-path:polygon(8% 0,100% 0,92% 100%,0 100%);transition:.22s ease}.main-nav a:hover{color:#080a09;background:var(--amber);border-color:var(--amber-2);transform:translateY(-2px)}.search-panel{max-width:var(--max);margin:0 auto 1.2rem;padding:0 1.2rem 1rem;display:grid;grid-template-columns:auto minmax(18rem,1fr) auto;gap:.7rem;align-items:center}.search-panel label{font-weight:800;color:var(--amber)}.search-panel input{width:100%;background:#090b0a;border:1px solid var(--line);color:var(--paper);padding:.85rem 1rem;outline:none;box-shadow:inset 0 0 0 1px rgba(255,255,255,.03)}.search-panel input:focus{border-color:var(--green);box-shadow:0 0 0 3px rgba(143,220,46,.12)}.search-panel button,.btn{border:0;background:var(--amber);color:#11140f;padding:.9rem 1.1rem;font-weight:900;text-decoration:none;clip-path:polygon(9% 0,100% 0,91% 100%,0 100%);transition:.24s ease}.search-panel button:hover,.btn:hover{transform:translateY(-2px);filter:brightness(1.1)}#searchTip{grid-column:2/4;margin:0;color:var(--green);min-height:1.4rem;font-size:.9rem}.hero,.inner-hero{max-width:var(--max);margin:2.2rem auto 1.2rem;padding:clamp(1rem,3vw,2rem);display:grid;grid-template-columns:1fr minmax(20rem,1.12fr);gap:1.6rem;align-items:center}.diagonal-panel{position:relative;background:linear-gradient(135deg,rgba(21,25,22,.94),rgba(9,10,9,.78));clip-path:var(--cut);border:1px solid var(--line);box-shadow:var(--shadow)}.diagonal-panel:before{content:"";position:absolute;inset:0;background:linear-gradient(115deg,transparent 0 34%,rgba(222,151,55,.11) 34% 35%,transparent 35% 100%);pointer-events:none}.eyebrow{margin:0 0 .7rem;color:var(--green);font-size:.78rem;letter-spacing:.18em;text-transform:uppercase;font-weight:900}.hero h1,.inner-hero h1{font-size:clamp(2.15rem,5vw,4.7rem);line-height:1.05;margin:.2rem 0 .8rem;letter-spacing:-.07em;font-weight:1000}.hero h2,.inner-hero h2,.section-head h2,.contact h2,.ai-split h2{font-size:clamp(1.45rem,2.4vw,2.45rem);line-height:1.16;margin:.3rem 0 .8rem;color:#fff2dd}.hero h3,.section-head h3,.contact h3{font-size:1.02rem;color:var(--titanium);margin:.2rem 0 1rem;font-weight:600}.hero-text,.inner-hero p{max-width:58rem;color:#d1d2c7}.hero-actions{display:flex;gap:.8rem;flex-wrap:wrap;margin:1.4rem 0}.btn.ghost{background:transparent;color:var(--paper);border:1px solid var(--line)}.stat-ribbon{display:flex;gap:.6rem;flex-wrap:wrap;margin-top:1rem}.stat-ribbon span,.metrics span,.tags span,.ai-panel span{display:inline-flex;align-items:center;border:1px solid rgba(143,220,46,.22);background:rgba(143,220,46,.08);color:#dfffba;padding:.34rem .56rem;font-family:"Consolas","Courier New",monospace;font-size:.82rem}.hero-media,.inner-hero figure{margin:0;position:relative}.hero-media img,.inner-hero img,.module-layout img,.contact img{width:100%;height:auto;display:block;border:1px solid var(--line);box-shadow:0 18px 60px rgba(0,0,0,.42);object-fit:cover}.hero-media figcaption,.contact figcaption{color:var(--muted);font-size:.84rem;margin-top:.5rem}.breadcrumbs{max-width:var(--max);margin:1rem auto;padding:0 1.2rem;color:var(--muted);display:flex;gap:.5rem;align-items:center}.breadcrumbs a{color:var(--amber);text-decoration:none}.section{max-width:var(--max);margin:3.6rem auto;padding:0 1.2rem}.section-head{max-width:920px;margin-bottom:1.4rem}.video-grid{display:grid;grid-template-columns:repeat(4,minmax(0,1fr));gap:1rem}.video-card,.expert-card,.review-card,.json-card,details{position:relative;background:linear-gradient(180deg,rgba(32,37,31,.92),rgba(12,14,12,.94));border:1px solid var(--line);box-shadow:0 16px 50px rgba(0,0,0,.28);padding:1rem;overflow:hidden}.video-card{clip-path:polygon(0 0,100% 0,96% 100%,4% 100%);transition:.26s ease}.video-card:hover{transform:translateY(-6px);border-color:rgba(255,191,90,.8)}.video-box{position:relative;aspect-ratio:16/9;background:#050605;overflow:hidden;margin:-1rem -1rem 1rem}.video-box video{width:100%;height:100%;display:block;object-fit:cover;filter:saturate(.88) contrast(1.05);opacity:.88}.play{position:absolute;left:50%;top:50%;transform:translate(-50%,-50%) scale(.72);width:58px;height:58px;border:1px solid rgba(255,255,255,.42);border-radius:50%;background:rgba(222,151,55,.86);color:#101311;font-size:1.4rem;opacity:0;transition:.22s ease}.video-card:hover .play{opacity:1;transform:translate(-50%,-50%) scale(1)}.video-card h3,.video-card h4,.expert-card h4,.review-card h4{margin:.2rem 0 .55rem;color:#fff4df}.video-card p,.expert-card p,.review-card p,details p{color:#d1d2c7;font-size:.94rem}.metrics,.tags{display:flex;gap:.4rem;flex-wrap:wrap;margin-top:.75rem}.module-layout,.contact{display:grid;grid-template-columns:minmax(20rem,.92fr) minmax(18rem,1fr);gap:1rem;align-items:start}.json-card{white-space:pre-wrap;word-break:break-word;color:#e9eadf;font-size:.86rem;line-height:1.55;max-height:31rem;overflow:auto}.json-card.compact{max-height:22rem}.expert-grid,.review-grid{display:grid;grid-template-columns:repeat(3,minmax(0,1fr));gap:1rem}.expert-card a{display:inline-flex;margin:.3rem .45rem .2rem 0;color:#11140f;background:var(--amber);text-decoration:none;font-weight:800;padding:.42rem .68rem}.ai-split{display:grid;grid-template-columns:1fr 1fr;gap:1rem;align-items:center;background:linear-gradient(120deg,rgba(222,151,55,.1),rgba(143,220,46,.06));padding:2rem;border:1px solid var(--line)}.ai-panel{display:grid;grid-template-columns:repeat(2,minmax(0,1fr));gap:.8rem}.ai-panel span{min-height:5.2rem;justify-content:center;text-align:center;font-weight:900;background:rgba(13,16,14,.8)}.logo-wall{display:grid;grid-template-columns:repeat(6,minmax(0,1fr));gap:.7rem}.logo-wall span{display:flex;align-items:center;justify-content:center;min-height:78px;background:#11140f;border:1px solid var(--line);font-weight:900;color:#f6e8cb;text-align:center}.howto{display:grid;grid-template-columns:.8fr 1.2fr;gap:1rem;margin-top:1rem}.howto ol{margin:0;background:rgba(21,25,22,.8);border:1px solid var(--line);padding:1.4rem 1.4rem 1.4rem 2.4rem}.faq details{margin:.7rem 0}.faq summary{font-weight:900;color:#fff2dd;cursor:pointer}.faq details[open]{border-color:rgba(143,220,46,.46)}.footer-logo{display:flex;align-items:center;gap:.8rem}.site-footer{margin-top:4rem;padding:2.2rem max(1.2rem,calc((100vw - var(--max))/2));background:#050605;border-top:1px solid var(--line);color:var(--muted)}.site-footer img{width:80px;height:auto}.footer-cols{display:grid;grid-template-columns:1.2fr .8fr;gap:1rem;margin:1rem 0}.qr{display:flex;gap:1rem;justify-content:flex-end;align-items:flex-start}.qr img{width:150px;border:1px solid var(--line)}.inner-header{background:rgba(7,8,7,.94)}.inner-main{padding-bottom:1rem}.inner-hero{grid-template-columns:1fr .75fr;margin-top:1.6rem}.inner-hero figure img{aspect-ratio:4/3}.share-toast{position:fixed;right:1rem;bottom:1rem;background:#11140f;color:var(--paper);border:1px solid var(--amber);padding:.8rem 1rem;z-index:20;box-shadow:var(--shadow)}
@media (max-width:980px){.nav-shell{align-items:flex-start}.main-nav{width:100%;order:3}.search-panel{grid-template-columns:1fr}.search-panel label,#searchTip{grid-column:auto}.hero,.inner-hero,.module-layout,.contact,.ai-split,.howto,.footer-cols{grid-template-columns:1fr}.video-grid{grid-template-columns:repeat(2,minmax(0,1fr))}.expert-grid,.review-grid{grid-template-columns:repeat(2,minmax(0,1fr))}.logo-wall{grid-template-columns:repeat(3,minmax(0,1fr))}.qr{justify-content:flex-start}.diagonal-panel{clip-path:polygon(0 0,100% 0,100% 96%,0 100%)}}
@media (max-width:620px){.nav-shell{padding:.8rem}.brand-lockup span{font-size:1rem}.main-nav a{font-size:.84rem;padding:.48rem}.hero,.inner-hero{margin-top:1rem;padding:1rem}.video-grid,.expert-grid,.review-grid,.logo-wall,.ai-panel{grid-template-columns:1fr}.hero h1,.inner-hero h1{font-size:2.15rem}.section{margin:2.4rem auto}.qr{flex-wrap:wrap}.qr img{width:132px}.stat-ribbon span,.metrics span,.tags span{font-size:.76rem}}