:root {
  color-scheme: light;
  --paper: #f1f1eb;
  --ink: #252b28;
  --olive: #59654e;
  --mint: #b4f2c5;
  --muted: #586157;
  --line: #ced4c5;
  font-family: Arial, "PingFang TC", "Noto Sans TC", sans-serif;
  color: var(--ink);
  background: var(--paper);
}
* {
  box-sizing: border-box;
}
body {
  margin: 0;
  border-top: 5px solid var(--olive);
}
a {
  color: inherit;
  text-underline-offset: 4px;
}
a:focus-visible,
input:focus-visible {
  outline: 3px solid var(--olive);
  outline-offset: 5px;
}
a:hover {
  color: var(--olive);
}
.shell {
  max-width: 1280px;
  margin: auto;
  padding: 0 6%;
}
header {
  display: flex;
  justify-content: space-between;
  align-items: center;
  gap: 24px;
  border-bottom: 1px solid var(--line);
  padding: 30px 0;
}
.brand {
  font-weight: 900;
  font-size: 27px;
  letter-spacing: -1px;
  text-decoration: none;
  display: flex;
  align-items: center;
  gap: 14px;
}
.brand span {
  font: 10px/1.5 monospace;
  letter-spacing: 1px;
  border-left: 1px solid var(--line);
  padding-left: 14px;
}
nav {
  display: flex;
  flex-wrap: wrap;
  gap: 22px;
  font-size: 13px;
}
nav a {
  text-decoration: none;
}
main {
  padding: 55px 0 65px;
  min-height: 70vh;
}
.eyebrow {
  font: 11px/1.6 monospace;
  letter-spacing: 0.09em;
  color: var(--olive);
  text-transform: uppercase;
  margin: 0 0 15px;
}
h1 {
  font-size: clamp(34px, 5.5vw, 72px);
  letter-spacing: -0.045em;
  line-height: 1.2;
  margin: 0 0 26px;
  font-weight: 800;
}
h2 {
  font-size: 25px;
  line-height: 1.4;
  letter-spacing: -0.02em;
}
h3 {
  font-size: 22px;
  line-height: 1.5;
  margin: 14px 0;
}
.dot {
  color: var(--olive);
}
.lead {
  font-size: 18px;
  line-height: 1.9;
  color: var(--muted);
  max-width: 760px;
}
.hero {
  padding: 10px 0 48px;
}
.actions {
  display: flex;
  align-items: center;
  flex-wrap: wrap;
  gap: 26px;
  margin: 30px 0 23px;
}
.button {
  display: inline-block;
  background: var(--olive);
  color: white;
  padding: 16px 23px;
  border-radius: 2px;
  text-decoration: none;
  font-size: 14px;
  line-height: 1.6;
}
.button:hover {
  background: var(--ink);
  color: white;
}
.light {
  background: var(--mint);
  color: var(--ink);
  flex-shrink: 0;
}
.text-link {
  font-size: 14px;
}
.note {
  font-size: 12px;
  line-height: 1.9;
  color: var(--muted);
}
section {
  margin-bottom: 45px;
  scroll-margin-top: 24px;
}
.section-title {
  border-top: 1px solid var(--line);
  padding-top: 28px;
}
.section-title h2 {
  margin-top: 8px;
}
.grid {
  display: grid;
  grid-template-columns: repeat(3, minmax(0, 1fr));
  gap: 18px;
}
.card {
  border: 1px solid var(--line);
  padding: 27px 24px;
  text-decoration: none;
  transition: background 0.15s;
}
.card:hover {
  background: #e7ecdf;
}
.card p {
  font-size: 14px;
  line-height: 1.9;
  color: var(--muted);
  margin: 0;
}
.card h3 span {
  font-size: 18px;
}
.strip {
  background: #e1e7d9;
  padding: 34px;
  display: flex;
  gap: 24px;
  align-items: center;
  justify-content: space-between;
  margin-top: 45px;
  margin-bottom: 0;
}
.strip p {
  line-height: 1.8;
}
.topics {
  padding: 20px 0 30px;
  border-bottom: 1px solid var(--line);
  margin: 20px 0 40px;
}
.topics a {
  border: 1px solid var(--line);
  padding: 10px 15px;
}
article {
  max-width: 800px;
  margin: auto;
}
article h1 {
  font-size: clamp(30px, 4.5vw, 52px);
}
.back {
  display: inline-block;
  font-size: 13px;
  margin-bottom: 35px;
}
.prose {
  max-width: 800px;
  font-size: 16px;
  line-height: 1.95;
  overflow-wrap: anywhere;
}
.prose h2 {
  margin-top: 36px;
  font-size: 22px;
}
.prose li {
  padding-left: 4px;
  margin: 10px 0;
}
.prose ul,
.prose ol {
  padding-left: 25px;
}
.prose a {
  color: var(--olive);
  font-weight: 600;
}
aside {
  max-width: 800px;
  margin-top: 38px;
  background: #e6eadf;
  border-left: 3px solid var(--olive);
  padding: 20px 24px;
  font-size: 13px;
  line-height: 1.9;
  overflow-wrap: anywhere;
}
aside p {
  margin: 5px 0;
}
aside h2 {
  font-size: 19px;
}
code {
  font-size: 12px;
}
footer {
  border-top: 1px solid var(--line);
  padding: 25px 0;
  display: flex;
  justify-content: space-between;
  flex-wrap: wrap;
  gap: 14px;
  font: 10px/1.8 monospace;
  color: var(--muted);
}
.endpoint-label {
  display: block;
  font-size: 13px;
  margin: 30px 0 10px;
}
input {
  width: 100%;
  max-width: 800px;
  font: 14px/1.6 monospace;
  border: 1px solid var(--olive);
  background: #fff;
  padding: 17px;
  color: var(--ink);
  border-radius: 0;
}
.skip {
  position: absolute;
  top: -80px;
  background: var(--mint);
  padding: 12px;
  z-index: 10;
}
.skip:focus {
  top: 8px;
}
@media (max-width: 850px) {
  .grid {
    grid-template-columns: repeat(2, minmax(0, 1fr));
  }
  .strip {
    align-items: flex-start;
    flex-direction: column;
  }
}
@media (max-width: 580px) {
  .shell {
    padding: 0 7%;
  }
  header {
    align-items: flex-start;
    flex-direction: column;
    gap: 20px;
    padding: 24px 0;
  }
  nav {
    gap: 20px;
    font-size: 12px;
  }
  main {
    padding: 36px 0 45px;
  }
  .hero {
    padding-bottom: 25px;
  }
  .lead {
    font-size: 16px;
  }
  .grid {
    grid-template-columns: 1fr;
  }
  .card {
    padding: 23px;
  }
  .strip {
    padding: 25px;
  }
  h1 {
    font-size: 36px;
  }
  .actions {
    gap: 22px;
  }
  .note {
    font-size: 11px;
  }
  footer {
    flex-direction: column;
  }
  .topics {
    gap: 10px;
  }
  .prose {
    font-size: 15px;
  }
  .prose h2 {
    font-size: 21px;
  }
  input {
    font-size: 11px;
  }
}
@media (prefers-reduced-motion: reduce) {
  .card {
    transition: none;
  }
}