/*
  四虎 - 车影改装视频研究所
  原创视觉系统：赛道检修站式非对称布局；深石墨黑、钨钢灰、警示橙、车漆青、冷白高光。
  所有页面共用外部 CSS，避免内联样式，确保移动端视频内容流畅展示。
*/
:root{
  --ink:#0b1115;
  --panel:#10181d;
  --panel-2:#172228;
  --line:rgba(243,247,245,.14);
  --line-strong:rgba(24,212,198,.36);
  --text:#f3f7f5;
  --muted:#b6c5c8;
  --dim:#819095;
  --orange:#ff8a2a;
  --orange-2:#ffb062;
  --teal:#18d4c6;
  --teal-2:#73fff3;
  --shadow:0 26px 70px rgba(0,0,0,.35);
  --radius:28px;
  --content:1180px;
}
*{box-sizing:border-box}
html{scroll-behavior:smooth;background:var(--ink)}
body{margin:0;font-family:"Microsoft YaHei","PingFang SC","Noto Sans CJK SC",Arial,sans-serif;color:var(--text);background:radial-gradient(circle at 8% 3%,rgba(24,212,198,.16),transparent 32%),radial-gradient(circle at 92% 8%,rgba(255,138,42,.13),transparent 26%),linear-gradient(180deg,#071015 0%,#0b1115 42%,#10161a 100%);line-height:1.75;overflow-x:hidden}
a{color:inherit;text-decoration:none}
img{max-width:100%;height:auto;display:block}
.TtPRFf{position:absolute;left:-999px;top:0;background:var(--orange);color:#111;padding:10px 14px;z-index:99}.TtPRFf:focus{left:10px}
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.OUVQg2{display:grid;gap:16px}.VpIs9jiD{display:grid;grid-template-columns:110px 1fr;gap:16px;border-left:3px solid var(--teal);padding-left:18px}.VpIs9jiD b{color:var(--orange-2)}.VpIs9jiD p{margin:0;color:var(--muted)}
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.hHVXoJ{max-width:var(--content);margin:0 auto;padding:24px 20px 0;color:var(--muted);font-size:14px}.hHVXoJ a{color:var(--teal-2)}.COagAWu{max-width:var(--content);margin:0 auto;padding:70px 20px 42px}.COagAWu p{max-width:780px;color:var(--muted);font-size:18px}.i7Kh7J{display:grid;gap:18px}.Pbdn7AOg{display:grid;grid-template-columns:120px 1fr;gap:18px;align-items:center;background:rgba(243,247,245,.045);border:1px solid var(--line);border-radius:24px;padding:18px}.Pbdn7AOg .ZgCUQK{font-size:42px;font-weight:900;color:var(--orange-2)}.Pbdn7AOg p{margin:0;color:var(--muted)}
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.Bml4Im2{opacity:0;transform:translateY(18px);transition:opacity .7s ease,transform .7s ease}.Bml4Im2.is-visible{opacity:1;transform:translateY(0)}
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/* 图片背景类：统一在外部 CSS 中声明，页面不写内联 style。 */
.JNSJz{background-image:linear-gradient(90deg,rgba(7,16,21,.94) 0%,rgba(7,16,21,.72) 42%,rgba(7,16,21,.16) 100%),url('/assets/img/hero-garage-video.png')}
.bqMpOIov{background-image:linear-gradient(135deg,rgba(255,138,42,.18),rgba(24,212,198,.16)),url('/assets/img/repair-media-card.png')}
.R5yVq{background-image:linear-gradient(135deg,rgba(255,138,42,.18),rgba(24,212,198,.16)),url('/assets/img/ai-editing-dashboard.png')}
.I4gMq{background-image:linear-gradient(135deg,rgba(255,138,42,.18),rgba(24,212,198,.16)),url('/assets/img/community-video-wall.png')}
.WObXKtGT{background-image:linear-gradient(135deg,rgba(255,138,42,.18),rgba(24,212,198,.16)),url('/assets/img/shop-front.png')}