:root {
  color-scheme: light;
  --bg: #f4f6fb;
  --panel: #ffffff;
  --panel-2: #f9fafc;
  --line: #dbe3ef;
  --text: #0f172a;
  --muted: #5b6475;
  --accent: #0f7a5f;
  --accent-2: #1259c3;
  --accent-3: #bf8f24;
  --shadow: 0 18px 50px rgba(15, 23, 42, 0.08);
}

* { box-sizing: border-box; }
html { scroll-behavior: smooth; }
body {
  margin: 0;
  font-family: -apple-system, BlinkMacSystemFont, "Segoe UI", "PingFang SC", "Hiragino Sans GB", "Microsoft YaHei", sans-serif;
  color: var(--text);
  background:
    linear-gradient(180deg, #f9fbff 0%, #f3f6fb 40%, #edf2f7 100%);
}
a { color: inherit; text-decoration: none; }
img { display: block; max-width: 100%; }

.topbar,
.subtop,
.footer,
main { width: min(1180px, calc(100% - 32px)); margin: 0 auto; }

.topbar {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 20px;
  padding: 20px 0 14px;
}
.brand {
  display: flex;
  align-items: center;
  gap: 12px;
}
.brand img { width: 44px; height: 44px; }
.brand strong,
.subtop strong { display: block; font-size: 18px; line-height: 1.1; }
.brand span,
.subtop { color: var(--muted); }
.brand span { font-size: 13px; }
.nav {
  display: flex;
  flex-wrap: wrap;
  gap: 16px;
  color: var(--muted);
}
.nav a { padding: 8px 2px; border-bottom: 1px solid transparent; }
.nav a:hover { color: var(--text); border-bottom-color: var(--accent); }

.hero,
.split,
.band,
.policy,
.error {
  background: rgba(255, 255, 255, 0.72);
  backdrop-filter: blur(10px);
  border: 1px solid rgba(219, 227, 239, 0.9);
  border-radius: 18px;
  box-shadow: var(--shadow);
}
.hero {
  display: grid;
  grid-template-columns: minmax(0, 1.1fr) minmax(320px, 0.9fr);
  gap: 28px;
  padding: 34px;
  margin-top: 28px;
}
.hero-copy { padding: 12px 8px 12px 2px; }
.app-mark {
  display: inline-flex;
  align-items: center;
  gap: 12px;
  margin-bottom: 16px;
}
.app-mark img {
  width: 58px;
  height: 58px;
  border-radius: 14px;
  box-shadow: 0 10px 24px rgba(15, 23, 42, 0.16);
}
.app-mark .eyebrow { margin: 0 0 6px; }
.app-mark strong { display: block; font-size: 18px; }
.eyebrow {
  display: inline-flex;
  padding: 7px 12px;
  margin: 0 0 16px;
  border-radius: 999px;
  background: rgba(15, 122, 95, 0.09);
  color: var(--accent);
  font-size: 13px;
  font-weight: 700;
  letter-spacing: 0;
}
.hero h1 {
  margin: 0;
  font-size: clamp(36px, 5vw, 58px);
  line-height: 1.04;
  letter-spacing: 0;
}
.lead {
  max-width: 56ch;
  margin: 18px 0 0;
  color: var(--muted);
  font-size: 17px;
  line-height: 1.8;
}
.hero-actions {
  display: flex;
  flex-wrap: wrap;
  gap: 12px;
  margin: 24px 0 26px;
}
.button {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  min-height: 44px;
  padding: 0 18px;
  border-radius: 12px;
  border: 1px solid var(--line);
  background: #fff;
  color: var(--text);
  font-weight: 700;
}
.button.primary {
  border-color: var(--accent);
  background: linear-gradient(135deg, var(--accent) 0%, #0f9b76 100%);
  color: #fff;
}
.facts {
  display: grid;
  grid-template-columns: repeat(3, minmax(0, 1fr));
  gap: 14px;
  margin: 0;
}
.facts div {
  padding: 16px 16px 18px;
  border: 1px solid var(--line);
  border-radius: 14px;
  background: var(--panel-2);
}
.facts dt {
  margin-bottom: 10px;
  color: var(--muted);
  font-size: 13px;
}
.facts dd {
  margin: 0;
  font-size: 16px;
  font-weight: 700;
  line-height: 1.5;
}
.hero-visual {
  display: flex;
  align-items: center;
  justify-content: center;
  min-height: 100%;
}
.hero-visual img {
  width: 100%;
  height: auto;
  border-radius: 16px;
  border: 1px solid var(--line);
  background: #f8fafc;
}
.shot-grid {
  display: grid;
  grid-template-columns: repeat(4, minmax(0, 1fr));
  gap: 14px;
  margin-top: 22px;
}
.shot {
  margin: 0;
  padding: 12px;
  border: 1px solid var(--line);
  border-radius: 16px;
  background: var(--panel-2);
}
.shot img {
  width: 100%;
  aspect-ratio: 390 / 844;
  object-fit: cover;
  border-radius: 12px;
  border: 1px solid rgba(15, 23, 42, 0.08);
}
.shot figcaption {
  padding-top: 10px;
  color: var(--muted);
  font-size: 13px;
  text-align: center;
}

.band,
.split {
  margin-top: 20px;
  padding: 28px 30px;
}
.section-head p,
.meta {
  margin: 0 0 8px;
  color: var(--accent-2);
  font-size: 13px;
  font-weight: 700;
  text-transform: uppercase;
  letter-spacing: 0;
}
.section-head h2,
.policy h1,
.error h1 {
  margin: 0;
  font-size: clamp(24px, 3vw, 34px);
  line-height: 1.15;
}
.grid {
  display: grid;
  grid-template-columns: repeat(3, minmax(0, 1fr));
  gap: 16px;
  margin-top: 22px;
}
.panel,
.contact-card,
.info-list {
  border: 1px solid var(--line);
  border-radius: 16px;
  background: rgba(255, 255, 255, 0.8);
}
.panel {
  padding: 20px;
}
.panel h3 {
  margin: 0 0 10px;
  font-size: 18px;
}
.panel p,
.contact-card p,
.note,
.policy p {
  margin: 0;
  color: var(--muted);
  line-height: 1.8;
}
.split { display: grid; gap: 22px; }
.info-list {
  overflow: hidden;
}
.info-row {
  display: grid;
  grid-template-columns: 160px minmax(0, 1fr);
  gap: 16px;
  padding: 16px 18px;
  border-top: 1px solid var(--line);
}
.info-row:first-child { border-top: 0; }
.info-row span { color: var(--muted); }
.info-row strong { font-weight: 700; }

.policy-links {
  display: flex;
  flex-wrap: wrap;
  gap: 12px;
  margin-top: 18px;
}
.policy-links a {
  padding: 10px 14px;
  border-radius: 999px;
  border: 1px solid var(--line);
  background: #fff;
}
.note { margin-top: 16px; }
.contact-card { padding: 20px; }
.contact-card a { color: var(--accent-2); text-decoration: underline; }

.footer {
  display: flex;
  flex-wrap: wrap;
  justify-content: space-between;
  gap: 10px;
  padding: 20px 0 34px;
  color: var(--muted);
}
.footer p { margin: 0; }

.subtop {
  display: flex;
  align-items: center;
  gap: 14px;
  padding: 18px 0 8px;
}
.back {
  padding: 9px 14px;
  border: 1px solid var(--line);
  border-radius: 12px;
  background: rgba(255, 255, 255, 0.76);
  color: var(--text);
}
.policy {
  margin-top: 18px;
  padding: 28px 30px 34px;
}
.policy h2 {
  margin: 24px 0 10px;
  font-size: 20px;
}
.policy .meta {
  text-transform: none;
  color: var(--muted);
  margin-top: 8px;
}
.error {
  margin-top: 32px;
  padding: 32px;
}
.error .button { margin-top: 20px; }

@media (max-width: 920px) {
  .topbar,
  .subtop,
  .footer,
  main {
    width: min(100% - 20px, 1180px);
  }
  .topbar { flex-direction: column; align-items: flex-start; }
  .hero,
  .grid,
  .shot-grid,
  .facts,
  .info-row {
    grid-template-columns: 1fr;
  }
  .hero { padding: 22px; }
  .band,
  .split,
  .policy { padding: 22px; }
  .info-row { gap: 8px; }
}