:root {
  --ink: #111111;
  --ink-soft: #333333;
  --paper: #f7f1e6;
  --paper-strong: #efe5d5;
  --accent: #ff5a1f;
  --accent-deep: #df4611;
  --line: rgba(17, 17, 17, 0.12);
  --muted: #6d665d;
  --max: 960px;
}

* {
  box-sizing: border-box;
}

html {
  scroll-behavior: smooth;
}

body {
  margin: 0;
  font-family: "Noto Sans SC", -apple-system, BlinkMacSystemFont, "PingFang SC", "Helvetica Neue", sans-serif;
  color: var(--ink);
  background:
    radial-gradient(circle at top right, rgba(255, 90, 31, 0.12), transparent 24%),
    linear-gradient(180deg, #fbf7f0 0%, var(--paper) 100%);
  line-height: 1.8;
}

a {
  color: inherit;
}

.page {
  max-width: var(--max);
  margin: 0 auto;
  padding: 28px 24px 72px;
}

.topbar {
  display: flex;
  justify-content: space-between;
  align-items: center;
  gap: 16px;
  margin-bottom: 36px;
  font-size: 14px;
  color: var(--muted);
}

.brand {
  font-weight: 700;
  letter-spacing: 0.08em;
  text-decoration: none;
}

.toplink {
  text-decoration: none;
  border-bottom: 1px solid rgba(255, 90, 31, 0.35);
}

.hero {
  padding: 40px 0 20px;
}

.eyebrow {
  display: inline-block;
  padding: 6px 10px;
  border-radius: 999px;
  background: rgba(255, 90, 31, 0.08);
  color: var(--accent-deep);
  font-size: 13px;
  font-weight: 700;
  letter-spacing: 0.04em;
}

h1 {
  margin: 18px 0 14px;
  font-size: clamp(32px, 5vw, 52px);
  line-height: 1.15;
  letter-spacing: -0.03em;
}

.lead {
  font-size: 18px;
  color: var(--ink-soft);
  max-width: 760px;
}

.meta {
  margin-top: 18px;
  color: var(--muted);
  font-size: 14px;
}

.card {
  margin: 32px 0;
  padding: 24px;
  border: 1px solid var(--line);
  border-radius: 24px;
  background: rgba(255, 255, 255, 0.55);
  backdrop-filter: blur(10px);
}

.grid {
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: 18px;
}

.grid.single {
  grid-template-columns: 1fr;
}

.mini-card {
  padding: 18px;
  border-radius: 18px;
  background: rgba(255, 255, 255, 0.7);
  border: 1px solid rgba(17, 17, 17, 0.08);
}

h2 {
  margin: 40px 0 16px;
  font-size: 28px;
  line-height: 1.25;
}

h3 {
  margin: 0 0 10px;
  font-size: 18px;
  line-height: 1.35;
}

p {
  margin: 0 0 14px;
}

ul {
  margin: 0;
  padding-left: 20px;
}

li + li {
  margin-top: 10px;
}

.quote {
  margin: 28px 0;
  padding: 22px 24px;
  background: #111111;
  color: #f7f1e6;
  border-radius: 24px;
}

.quote strong {
  color: #ffffff;
}

.cta {
  margin-top: 42px;
  padding: 24px;
  border-radius: 24px;
  background: linear-gradient(135deg, rgba(255, 90, 31, 0.14), rgba(255, 255, 255, 0.75));
  border: 1px solid rgba(255, 90, 31, 0.18);
}

.button-row {
  display: flex;
  flex-wrap: wrap;
  gap: 12px;
  margin-top: 18px;
}

.button {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  min-height: 44px;
  padding: 0 18px;
  border-radius: 999px;
  text-decoration: none;
  font-weight: 700;
}

.button.primary {
  background: var(--accent);
  color: #ffffff;
}

.button.secondary {
  border: 1px solid rgba(17, 17, 17, 0.15);
  background: rgba(255, 255, 255, 0.65);
}

.link-list {
  display: grid;
  gap: 12px;
}

.link-list a {
  text-decoration: none;
  padding: 16px 18px;
  border-radius: 18px;
  border: 1px solid rgba(17, 17, 17, 0.08);
  background: rgba(255, 255, 255, 0.7);
}

.footer-note {
  margin-top: 48px;
  padding-top: 20px;
  border-top: 1px solid var(--line);
  color: var(--muted);
  font-size: 14px;
}

@media (max-width: 720px) {
  .page {
    padding: 20px 18px 56px;
  }

  .topbar {
    flex-direction: column;
    align-items: flex-start;
  }

  .grid {
    grid-template-columns: 1fr;
  }

  h2 {
    font-size: 24px;
  }
}