:root { --ink: #080b0f; --paper: #f1eee7; --muted: #96999f; --line: rgba(255, 255, 255, 0.13); --accent: #ff5636; }
* { box-sizing: border-box; }
html { scroll-behavior: smooth; }
body {
  margin: 0;
  background: radial-gradient(circle at 73% -8%, rgba(255, 86, 54, 0.18), transparent 32rem), var(--ink);
  color: var(--paper);
  font-family: Inter, ui-sans-serif, -apple-system, BlinkMacSystemFont, "PingFang SC", "Microsoft YaHei", sans-serif;
  min-height: 100vh;
}
a { color: inherit; text-decoration: none; }
.shell { width: min(1180px, calc(100% - 48px)); margin-inline: auto; }
.site-header { height: 92px; display: flex; align-items: center; justify-content: space-between; border-bottom: 1px solid var(--line); font-size: 11px; letter-spacing: 0.18em; }
.brand { display: inline-flex; gap: 12px; align-items: center; font-weight: 750; }
.brand-mark { width: 10px; height: 10px; border-radius: 50%; background: var(--accent); box-shadow: 0 0 18px rgba(255, 86, 54, 0.85); }
.header-note { color: var(--muted); }
.hero { padding: 72px 0 58px; }
.eyebrow { color: var(--muted); font-size: 11px; font-weight: 750; letter-spacing: 0.2em; display: flex; align-items: center; gap: 12px; }
.eyebrow span { display: block; width: 35px; height: 1px; background: var(--accent); }
h1 { margin: 24px 0 40px; font-size: clamp(60px, 9vw, 116px); letter-spacing: -0.075em; line-height: 0.86; font-weight: 780; }
h1 em { color: transparent; -webkit-text-stroke: 1.5px rgba(241, 238, 231, 0.72); font-style: normal; }
.hero-meta { border-top: 1px solid var(--line); padding-top: 22px; display: flex; justify-content: space-between; align-items: flex-end; }
.hero-meta p { color: var(--muted); line-height: 1.7; margin: 0; font-size: 14px; }
.total-time { display: flex; gap: 12px; align-items: flex-end; }
.total-time strong { font-size: 31px; line-height: 1; font-variant-numeric: tabular-nums; }
.total-time span { color: var(--muted); font-size: 12px; padding-bottom: 2px; }
.video-grid { display: grid; grid-template-columns: repeat(2, minmax(0, 1fr)); gap: 28px; }
.video-card { min-width: 0; }
.video-frame { position: relative; aspect-ratio: 16 / 9; overflow: hidden; background: #030405; border: 1px solid var(--line); }
.video-frame::after { content: ""; position: absolute; inset: 0; pointer-events: none; box-shadow: inset 0 0 0 1px rgba(255,255,255,.04); }
video { width: 100%; height: 100%; display: block; object-fit: contain; background: #000; }
.duration { position: absolute; right: 14px; top: 14px; background: rgba(8, 11, 15, 0.78); backdrop-filter: blur(8px); padding: 7px 9px; font: 700 11px/1 ui-monospace, SFMono-Regular, Menlo, monospace; letter-spacing: .08em; pointer-events: none; }
.video-info { min-height: 106px; border-bottom: 1px solid var(--line); display: grid; grid-template-columns: 44px 1fr auto; gap: 14px; align-items: center; }
.video-number { color: var(--accent); font: 700 12px/1 ui-monospace, SFMono-Regular, Menlo, monospace; }
.video-info h2 { margin: 0 0 7px; font-size: 18px; letter-spacing: -0.015em; font-weight: 620; }
.video-info p { margin: 0; color: var(--muted); font-size: 11px; letter-spacing: .1em; }
.status { color: var(--muted); font: 700 10px/1 ui-monospace, SFMono-Regular, Menlo, monospace; letter-spacing: .12em; display: flex; gap: 8px; align-items: center; }
.status i { display: block; width: 6px; height: 6px; background: #5dd68d; border-radius: 50%; box-shadow: 0 0 8px rgba(93, 214, 141, .55); }
footer { margin-top: 78px; padding: 26px 0 34px; border-top: 1px solid var(--line); display: flex; justify-content: space-between; color: var(--muted); font-size: 10px; letter-spacing: .15em; }
@media (max-width: 760px) {
  .shell { width: min(100% - 28px, 560px); }
  .site-header { height: 72px; }
  .header-note { display: none; }
  .hero { padding: 54px 0 40px; }
  h1 { font-size: clamp(54px, 18vw, 82px); margin-bottom: 32px; }
  .hero-meta { align-items: flex-start; gap: 18px; }
  .hero-meta p br { display: none; }
  .total-time { display: none; }
  .video-grid { grid-template-columns: 1fr; gap: 42px; }
  .video-info { min-height: 92px; grid-template-columns: 34px 1fr auto; gap: 10px; }
  .video-info h2 { font-size: 16px; }
  .status { font-size: 9px; }
  footer { margin-top: 58px; flex-direction: column; gap: 12px; line-height: 1.6; }
}
@media (prefers-reduced-motion: reduce) { html { scroll-behavior: auto; } }