:root {
  color-scheme: dark;
  --bg: #0c0c10;
  --bg-raise: #16161c;
  --line: rgba(255, 255, 255, 0.1);
  --text: #f4f4f5;
  --muted: #a1a1aa;
  --red: #e01e30;
  --red-deep: #9d1020;
  --shadow: 0 24px 60px rgba(0, 0, 0, 0.35);
  font-family: "PingFang SC", "Hiragino Sans GB", "Microsoft YaHei", "Noto Sans SC", sans-serif;
}

* { box-sizing: border-box; }
html { scroll-behavior: smooth; }
body {
  margin: 0;
  min-height: 100vh;
  background: var(--bg);
  color: var(--text);
  line-height: 1.6;
}
img { max-width: 100%; display: block; }
a { color: inherit; text-decoration: none; }
h1, h2, h3, p { margin: 0; }

.glow {
  position: fixed;
  inset: -20vh 0 auto;
  height: 70vh;
  pointer-events: none;
  background:
    radial-gradient(ellipse at 50% 0%, rgba(224, 30, 48, 0.28), transparent 58%);
}

.nav, .hero, .section, .footer {
  position: relative;
  width: min(1080px, calc(100% - 40px));
  margin-inline: auto;
}

.nav {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 24px;
  padding: 22px 0 8px;
}
.brand img { height: 52px; width: auto; }
.nav-links {
  display: flex;
  align-items: center;
  gap: 22px;
  color: var(--muted);
  font-size: 15px;
}
.nav-links a:hover { color: var(--text); }

.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  min-height: 38px;
  padding: 0 16px;
  border-radius: 8px;
  border: 1px solid transparent;
  font-weight: 600;
}
.btn-primary {
  background: var(--red);
  color: white;
  box-shadow: 0 8px 24px rgba(224, 30, 48, 0.28);
}
.btn-primary:hover { background: #c41929; }
.btn-ghost {
  border-color: var(--line);
  color: var(--text);
  background: rgba(255, 255, 255, 0.03);
}
.btn-ghost:hover { border-color: rgba(255, 255, 255, 0.22); }
.btn-lg { min-height: 46px; padding: 0 22px; font-size: 16px; }

.hero { padding: 72px 0 36px; max-width: 760px; margin-inline: auto; text-align: center; }
.eyebrow {
  color: #ff8b96;
  letter-spacing: 0.16em;
  font-size: 13px;
  font-weight: 700;
}
h1 {
  margin-top: 14px;
  font-size: clamp(36px, 5vw, 58px);
  line-height: 1.18;
  letter-spacing: -0.03em;
}
.lede {
  margin: 18px auto 0;
  max-width: 38em;
  color: var(--muted);
  font-size: 18px;
}
.actions {
  display: flex;
  justify-content: center;
  gap: 12px;
  margin-top: 28px;
  flex-wrap: wrap;
}
.address {
  margin-top: 18px;
  color: var(--muted);
  font-size: 14px;
}
.address span {
  color: var(--text);
  font-variant-numeric: tabular-nums;
}

.section { padding: 48px 0; }
.section-head { max-width: 640px; margin-bottom: 22px; }
.section-head h2, .band h2 { font-size: 30px; letter-spacing: -0.02em; }
.section-head p, .band p { margin-top: 8px; color: var(--muted); }

.cards {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 16px;
}
.card {
  padding: 22px;
  border: 1px solid var(--line);
  border-radius: 16px;
  background: linear-gradient(180deg, rgba(255, 255, 255, 0.035), rgba(255, 255, 255, 0.015));
  box-shadow: var(--shadow);
}
.card h3 { font-size: 18px; }
.card p { margin-top: 8px; color: var(--muted); }

.band {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 36px;
  align-items: center;
  padding: 36px;
  border: 1px solid var(--line);
  border-radius: 20px;
  background:
    radial-gradient(ellipse at 0% 0%, rgba(224, 30, 48, 0.16), transparent 50%),
    var(--bg-raise);
}
.steps { list-style: none; margin: 0; padding: 0; display: grid; gap: 16px; }
.steps li { display: grid; gap: 2px; }
.steps strong { font-size: 16px; }
.steps span { color: var(--muted); font-size: 14px; }

.footer {
  display: flex;
  align-items: center;
  gap: 16px;
  padding: 28px 0 40px;
  color: var(--muted);
  font-size: 14px;
}
.footer img { height: 36px; width: auto; }
.footer p { margin-top: 2px; }
.footer a { margin-left: auto; color: var(--text); }

@media (max-width: 800px) {
  .cards, .band { grid-template-columns: 1fr; }
  .nav { align-items: flex-start; }
  .brand img { height: 40px; }
  .hero { padding-top: 36px; }
  .footer { flex-wrap: wrap; }
  .footer a { margin-left: 0; }
}