:root {
  --bg: #050816;
  --surface: #0b1020;
  --accent: #ff914d;
  --accent-soft: rgba(255, 145, 77, 0.12);
  --accent-strong: #ff7a29;
  --text-main: #f9fafb;
  --text-muted: #9ca3af;
  --line: rgba(148, 163, 184, 0.3);
}

*,
*::before,
*::after {
  box-sizing: border-box;
}

html,
body {
  margin: 0;
  padding: 0;
  font-family: -apple-system, BlinkMacSystemFont, "SF Pro Display", "PingFang SC", "Microsoft YaHei", system-ui, sans-serif;
  background: radial-gradient(circle at top, #111827 0, #020617 55%, #000 100%);
  color: var(--text-main);
}

img {
  max-width: 100%;
  display: block;
}

a {
  color: inherit;
  text-decoration: none;
}

.page {
  min-height: 100vh;
  display: flex;
  flex-direction: column;
}

.top {
  padding: 14px 18px 10px;
  border-bottom: 1px solid rgba(15, 23, 42, 0.6);
  background: linear-gradient(90deg, #020617 0, #020617 40%, #0b1120 100%);
}

.top-inner {
  max-width: 1100px;
  margin: 0 auto;
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 16px;
}

.brand {
  display: flex;
  align-items: center;
  gap: 8px;
}

.brand-mark {
  width: 28px;
  height: 28px;
  border-radius: 999px;
  background:
    radial-gradient(circle at 20% 0, #fff 0, #ffe4c7 20%, #ff914d 55%, #b45309 90%);
}

.brand-name {
  font-weight: 700;
  font-size: 16px;
}

.brand-sub {
  font-size: 11px;
  color: var(--text-muted);
}

.steps-nav {
  display: flex;
  gap: 10px;
  font-size: 11px;
}

.step-chip {
  padding: 3px 8px;
  border-radius: 999px;
  border: 1px solid rgba(148, 163, 184, 0.4);
  color: var(--text-muted);
}

.step-chip.active {
  border-color: var(--accent);
  background-color: var(--accent-soft);
  color: var(--accent-strong);
}

.shell {
  flex: 1;
  max-width: 1100px;
  margin: 0 auto;
  padding: 18px 18px 28px;
}

.hero-grid {
  display: grid;
  grid-template-columns: minmax(0, 1.2fr) 260px;
  gap: 18px;
  align-items: start;
  margin-bottom: 18px;
}

.hero-main h1 {
  font-size: 24px;
  margin: 0 0 8px;
}

.hero-main p {
  margin: 0 0 8px;
  font-size: 13px;
  color: var(--text-muted);
  line-height: 1.8;
}

.hero-actions {
  margin-top: 8px;
  display: flex;
  flex-wrap: wrap;
  gap: 8px;
}

.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  padding: 6px 12px;
  border-radius: 999px;
  border: 1px solid transparent;
  font-size: 12px;
  cursor: pointer;
}

.btn-primary {
  background-color: var(--accent);
  border-color: transparent;
  color: #111827;
}

.btn-ghost {
  border-color: rgba(148, 163, 184, 0.7);
  color: var(--text-main);
  background: transparent;
}

.hero-meta-row {
  display: flex;
  flex-wrap: wrap;
  gap: 6px;
  margin-top: 10px;
}

.hero-meta-pill {
  font-size: 11px;
  padding: 2px 7px;
  border-radius: 999px;
  background-color: rgba(15, 23, 42, 0.85);
  color: var(--text-muted);
}

.hero-media {
  border-radius: 16px;
  overflow: hidden;
  border: 1px solid rgba(148, 163, 184, 0.4);
}

.hero-media img {
  width: 100%;
  height: 180px;
  object-fit: cover;
}

.section-title {
  font-size: 13px;
  text-transform: uppercase;
  letter-spacing: 0.16em;
  color: var(--accent);
  margin: 12px 0 6px;
}

.two-col {
  display: grid;
  grid-template-columns: minmax(0, 1.1fr) minmax(0, 1.1fr);
  gap: 16px;
}

.block {
  padding: 12px 12px 14px;
  border-radius: 14px;
  background-color: rgba(15, 23, 42, 0.9);
  border: 1px solid rgba(31, 41, 55, 0.9);
}

.block h2 {
  font-size: 15px;
  margin: 0 0 6px;
}

.block p,
.block li {
  font-size: 13px;
  color: var(--text-muted);
  margin: 0 0 6px;
  line-height: 1.8;
}

.block ul {
  margin: 0;
  padding-left: 16px;
}

.h-scroll {
  margin-top: 8px;
  display: flex;
  gap: 10px;
  overflow-x: auto;
  padding-bottom: 4px;
}

.h-card {
  min-width: 180px;
  border-radius: 12px;
  border: 1px solid rgba(55, 65, 81, 0.9);
  background-color: #020617;
  padding: 8px 10px 10px;
}

.h-card h3 {
  font-size: 13px;
  margin: 0 0 4px;
}

.h-card p {
  margin: 0;
  font-size: 12px;
  color: var(--text-muted);
  line-height: 1.6;
}

.footer-note {
  margin-top: 16px;
  font-size: 11px;
  color: var(--text-muted);
}

@media (max-width: 900px) {
  .hero-grid {
    grid-template-columns: minmax(0, 1fr);
  }

  .two-col {
    grid-template-columns: minmax(0, 1fr);
  }
}

@media (max-width: 720px) {
  .top-inner {
    flex-direction: column;
    align-items: flex-start;
  }

  .steps-nav {
    flex-wrap: wrap;
  }

  .shell {
    padding-inline: 14px;
  }
}