:root {
  --paper: #f4f4f0;
  --ink: #111310;
  --muted: #70746f;
  --line: rgba(17, 19, 16, 0.16);
  --green: #09826b;
  --green-soft: #dcefe9;
}

* {
  box-sizing: border-box;
}

html {
  background: var(--paper);
}

body {
  min-width: 320px;
  min-height: 100svh;
  margin: 0;
  color: var(--ink);
  background: var(--paper);
  font-family: -apple-system, BlinkMacSystemFont, "Segoe UI", "PingFang SC",
    "Hiragino Sans GB", "Microsoft YaHei", sans-serif;
  -webkit-font-smoothing: antialiased;
}

a {
  color: inherit;
  text-decoration: none;
  -webkit-tap-highlight-color: transparent;
}

.shell {
  width: min(940px, calc(100% - 48px));
  margin: 0 auto;
}

.topbar {
  min-height: 80px;
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 24px;
  border-bottom: 1px solid var(--line);
}

.brand {
  display: inline-flex;
  align-items: center;
  gap: 10px;
  font-size: 16px;
  font-weight: 800;
  letter-spacing: 0.12em;
}

.brand::before {
  content: "";
  width: 8px;
  height: 8px;
  border-radius: 50%;
  background: #10a88a;
  box-shadow: 0 0 0 5px var(--green-soft);
}

.nav {
  display: flex;
  align-items: center;
  gap: 18px;
  font-size: 13px;
  font-weight: 700;
}

.nav-context {
  color: var(--muted);
}

.console-link {
  padding: 10px 15px;
  border-radius: 999px;
  color: #fff;
  background: var(--ink);
}

.hero {
  padding: 84px 0 58px;
}

.label,
.number {
  color: var(--green);
  font-family: ui-monospace, SFMono-Regular, Menlo, Monaco, Consolas, monospace;
  font-size: 11px;
  font-weight: 700;
  letter-spacing: 0.14em;
  text-transform: uppercase;
}

.hero h1 {
  margin: 13px 0 17px;
  font-size: clamp(42px, 6vw, 62px);
  line-height: 1.08;
  letter-spacing: -0.052em;
}

.hero p {
  max-width: 650px;
  margin: 0;
  color: var(--muted);
  font-size: 17px;
  line-height: 1.75;
}

.scene-list {
  border-top: 1px solid var(--line);
}

.scene {
  display: grid;
  grid-template-columns: 1fr auto;
  align-items: center;
  gap: 28px;
  min-height: 142px;
  border-bottom: 1px solid var(--line);
  transition: padding 160ms ease;
}

.scene:hover {
  padding: 0 8px;
}

.scene h2 {
  margin: 0 0 8px;
  font-size: 28px;
  letter-spacing: -0.03em;
}

.scene p {
  margin: 0;
  color: var(--muted);
  font-size: 14px;
  line-height: 1.65;
}

.arrow {
  font-size: 24px;
}

.footnote {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 24px;
  padding: 28px 0 64px;
  color: var(--muted);
  font-size: 12px;
}

.directory-hero {
  max-width: 720px;
  padding: 90px 0 52px;
}

.directory-hero h1 {
  margin-bottom: 15px;
}

.directory-footer {
  border-top: 0;
}

.directory-grid {
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: 16px;
  padding-bottom: 64px;
}

.directory-card {
  min-height: 310px;
  display: flex;
  flex-direction: column;
  padding: 30px;
  overflow: hidden;
  border: 1px solid var(--line);
  border-radius: 24px;
  background: rgba(255, 255, 252, 0.56);
  transition: transform 180ms ease, border-color 180ms ease, box-shadow 180ms ease;
}

.directory-card:first-child {
  background:
    radial-gradient(circle at 90% 10%, rgba(16, 168, 138, 0.2), transparent 15rem),
    linear-gradient(145deg, var(--green-soft), rgba(255, 255, 252, 0.74) 62%);
}

.directory-card:hover {
  transform: translateY(-4px);
  border-color: rgba(17, 19, 16, 0.28);
  box-shadow: 0 22px 54px rgba(28, 35, 30, 0.08);
}

.card-meta {
  color: var(--green);
  font-family: ui-monospace, SFMono-Regular, Menlo, Monaco, Consolas, monospace;
  font-size: 11px;
  font-weight: 700;
  letter-spacing: 0.13em;
}

.directory-card h2 {
  margin: 60px 0 12px;
  font-size: 31px;
  letter-spacing: -0.035em;
}

.directory-card p {
  max-width: 340px;
  margin: 0;
  color: var(--muted);
  font-size: 14px;
  line-height: 1.7;
}

.card-footer {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 18px;
  margin-top: auto;
  padding-top: 22px;
  border-top: 1px solid var(--line);
}

.card-footer span:first-child {
  color: var(--muted);
  font-size: 12px;
}

.card-arrow {
  width: 38px;
  height: 38px;
  display: grid;
  place-items: center;
  border-radius: 50%;
  color: #fff;
  background: var(--ink);
  font-size: 17px;
}

.route {
  display: flex;
  align-items: center;
  gap: 10px;
}

.route b {
  color: var(--ink);
}

.route span {
  color: var(--green);
}

.trust {
  text-align: right;
}

.breadcrumb {
  display: flex;
  gap: 8px;
  margin-bottom: 30px;
  color: var(--muted);
  font-size: 12px;
}

.detail-hero {
  padding-bottom: 52px;
}

.detail-hero h1 {
  max-width: 780px;
}

.guide-section {
  display: grid;
  grid-template-columns: 150px 1fr;
  gap: 42px;
  padding: 44px 0;
  border-top: 1px solid var(--line);
}

.guide-section h2 {
  margin: 9px 0 0;
  font-size: 24px;
  letter-spacing: -0.03em;
}

.plain-list,
.check-list {
  margin: 0;
  padding: 0;
  list-style: none;
}

.plain-list {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 24px;
}

.plain-list li {
  color: var(--muted);
  font-size: 13px;
  line-height: 1.65;
}

.plain-list b {
  display: block;
  margin-bottom: 6px;
  color: var(--ink);
  font-size: 15px;
}

.steps {
  border-top: 1px solid var(--line);
}

.step {
  display: grid;
  grid-template-columns: 42px 1fr;
  gap: 18px;
  padding: 21px 0;
  border-bottom: 1px solid var(--line);
}

.step h3 {
  margin: 0 0 5px;
  font-size: 16px;
}

.step p {
  margin: 0;
  color: var(--muted);
  font-size: 13px;
  line-height: 1.65;
}

.inline-link {
  display: inline-flex;
  margin-top: 8px;
  color: var(--green);
  font-size: 12px;
  font-weight: 800;
}

.check-list {
  display: grid;
  gap: 10px;
}

.check-list li {
  display: grid;
  grid-template-columns: 18px 1fr;
  gap: 9px;
  color: var(--muted);
  font-size: 13px;
  line-height: 1.6;
}

.check-list li::before {
  content: "✓";
  color: var(--green);
  font-weight: 900;
}

.safety {
  margin-top: 22px;
  padding-top: 18px;
  border-top: 1px solid var(--line);
  color: var(--muted);
  font-size: 12px;
  line-height: 1.7;
}

.safety b {
  color: var(--ink);
}

.actions {
  display: flex;
  gap: 10px;
  padding: 40px 0 64px;
  border-top: 1px solid var(--line);
}

.button {
  display: inline-flex;
  min-height: 40px;
  align-items: center;
  justify-content: center;
  padding: 0 17px;
  border: 1px solid var(--line);
  border-radius: 999px;
  font-size: 13px;
  font-weight: 750;
}

.button-dark {
  border-color: var(--ink);
  color: #fff;
  background: var(--ink);
}

.footer {
  min-height: 86px;
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 20px;
  border-top: 1px solid var(--line);
  color: var(--muted);
  font-size: 11px;
}

.footer div {
  display: flex;
  gap: 18px;
}

@media (max-width: 700px) {
  .shell {
    width: min(100% - 28px, 940px);
  }

  .topbar {
    min-height: 74px;
  }

  .brand {
    font-size: 14px;
  }

  .nav-context {
    display: none;
  }

  .console-link {
    padding: 9px 13px;
    font-size: 12px;
  }

  .hero {
    padding: 56px 0 42px;
  }

  .hero h1 {
    font-size: clamp(40px, 12vw, 54px);
  }

  .hero p {
    font-size: 15px;
  }

  .scene {
    grid-template-columns: 1fr auto;
    gap: 18px;
    min-height: 138px;
    padding: 23px 0;
  }

  .scene:hover {
    padding: 23px 0;
  }

  .scene h2 {
    font-size: 25px;
  }

  .directory-hero {
    padding: 60px 0 38px;
  }

  .directory-grid {
    grid-template-columns: 1fr;
    padding-bottom: 46px;
  }

  .directory-card {
    min-height: 265px;
    padding: 25px;
  }

  .directory-card h2 {
    margin-top: 42px;
    font-size: 28px;
  }

  .footnote {
    align-items: flex-start;
    flex-direction: column;
    padding-bottom: 48px;
  }

  .trust {
    text-align: left;
    line-height: 1.8;
  }

  .guide-section {
    grid-template-columns: 1fr;
    gap: 24px;
    padding: 38px 0;
  }

  .plain-list {
    grid-template-columns: 1fr;
    gap: 20px;
  }

  .actions {
    flex-wrap: wrap;
    padding-bottom: 48px;
  }

  .footer {
    min-height: 110px;
    align-items: flex-start;
    flex-direction: column;
    justify-content: center;
    gap: 10px;
  }
}

@media (prefers-reduced-motion: reduce) {
  *,
  *::before,
  *::after {
    transition-duration: 0.01ms !important;
  }
}