:root {
  --red: #e30613;
  --ink: #111;
  --paper: #fff;
  --muted: #555;
  --line: #111;
}
* { box-sizing: border-box; margin: 0; padding: 0; }
html { scroll-behavior: smooth; }
body {
  font-family: Helvetica, "Helvetica Neue", Arial, "PingFang SC", "Microsoft YaHei", sans-serif;
  color: var(--ink);
  background: var(--paper);
  line-height: 1.5;
}
a { color: inherit; text-decoration: none; }
img { max-width:100%;height:auto; display: block; }
.grid {
  width: min(1120px, calc(100% - 32px));
  margin: 0 auto;
  display: grid;
  grid-template-columns: repeat(12, 1fr);
  gap: 16px 20px;
  align-items: start;
}
.span3 { grid-column: span 3; }
.span4 { grid-column: span 4; }
.span6 { grid-column: span 6; }
.span8 { grid-column: span 8; }
.span9 { grid-column: span 9; }
.span12 { grid-column: span 12; }
nav { position: sticky; top: 0; z-index: 20; background: #fff; border-bottom: 1px solid var(--ink); }
.nav { min-height: 64px; align-items: center; }
.brand { grid-column: span 3; font-weight: 700; letter-spacing: .08em; text-transform: uppercase; font-size: 13px; }
.links { grid-column: span 7; display: flex; gap: 18px; font-size: 12px; letter-spacing: .12em; text-transform: uppercase; }
.button {
  display: inline-flex; align-items: center; justify-content: center;
  padding: 12px 18px; background: var(--red); color: #fff; border: 0;
  font-weight: 700; letter-spacing: .14em; text-transform: uppercase; font-size: 12px;
}
.nav .button { grid-column: span 2; justify-self: end; }
.ghost { display: inline-flex; align-items: center; padding: 12px 0; border-bottom: 1px solid var(--ink); font-size: 12px; letter-spacing: .14em; text-transform: uppercase; }
.hero { padding: 56px 0 24px; }
.kicker, .head p, .section p:first-child { font-size: 11px; letter-spacing: .2em; text-transform: uppercase; }
h1 { grid-column: span 12; font-size: clamp(32px, 5.5vw, 64px); line-height: 1.02; font-weight: 700; letter-spacing: -.03em; }
.lead { grid-column: span 12; font-size: 18px; font-weight: 500; }
.actions { display: flex; gap: 20px; align-items: center; }
.hero figure { border-top: 1px solid var(--ink); padding-top: 12px; }
.hero img, .section img { width: 100%; height: 320px; object-fit: cover; }
figcaption { margin-top: 8px; font-size: 11px; letter-spacing: .16em; text-transform: uppercase; }
.section { padding: 56px 0; border-top: 1px solid var(--ink); }
h2 { font-size: 28px; font-weight: 700; letter-spacing: -.02em; }
.card { grid-column: span 4; padding-top: 12px; border-top: 1px solid var(--ink); }
.card b { color: var(--red); font-size: 12px; letter-spacing: .16em; }
.scene-grid { display: grid; grid-template-columns: 1fr 1fr; gap: 8px 16px; margin: 16px 0 20px; }
.scene-grid div { padding: 8px 0; border-bottom: 1px solid var(--ink); font-size: 14px; }
.review { grid-column: span 4; padding-top: 12px; border-top: 1px solid var(--ink); }
.review b { display: block; margin-top: 12px; font-size: 13px; }
.review small { color: var(--muted); }
.metrics { display: grid; grid-template-columns: repeat(3, 1fr); gap: 12px; margin: 16px 0 20px; }
.metrics div { border-top: 1px solid var(--ink); padding-top: 8px; font-size: 12px; letter-spacing: .1em; text-transform: uppercase; }
.metrics b { display: block; font-size: 22px; letter-spacing: 0; }
details { padding: 12px 0; border-bottom: 1px solid var(--ink); }
summary { cursor: pointer; font-weight: 700; text-transform: uppercase; letter-spacing: .08em; font-size: 13px; }
details p { margin-top: 8px; color: var(--muted); }
.cta { background: var(--ink); color: #fff; padding: 36px 0; }
.cta .button { justify-self: end; align-self: center; }
footer { padding: 36px 0 20px; border-top: 1px solid var(--ink); }
.footer h4 { font-size: 11px; letter-spacing: .16em; text-transform: uppercase; margin-bottom: 8px; }
.footer a, .footer p { display: block; font-size: 13px; margin-top: 6px; color: var(--muted); }
.copy { margin-top: 12px; padding-top: 12px; border-top: 1px solid var(--ink); font-size: 11px; letter-spacing: .12em; text-transform: uppercase; }
.page-head { padding: 48px 0 8px; }
.cards .download-card { grid-column: span 4; padding-top: 16px; border-top: 2px solid var(--red); }
.help .side { position: sticky; top: 80px; }
.side a { display: block; padding: 8px 0; border-bottom: 1px solid var(--ink); font-size: 12px; letter-spacing: .1em; text-transform: uppercase; }
.help article { padding: 16px 0 28px; border-top: 1px solid var(--ink); }
.help img { height: 240px; object-fit: cover; margin: 12px 0 16px; }
.policy { margin-top: 16px; padding-top: 12px; color: var(--muted); }
@media (max-width: 900px) {
  .links { display: none; }
  .brand, .nav .button, .span3, .span4, .span6, .span8, .span9, .span12, .card, .review, .download-card { grid-column: span 12; }
  .nav .button { justify-self: end; }
  .hero img, .section img, .help img { height: 210px; }
}

@media (prefers-reduced-motion:reduce){html{scroll-behavior:auto}*,*::before,*::after{animation:none!important;transition:none!important}}