:root {
  --bg: #ffffff;
  --text: #0a0f1a;
  --muted: #3a4a63;
  --line: #c7d4ea;
  --blue: #0b57d0;
  --blue-deep: #003a96;
  --blue-soft: #eaf2ff;
  --black: #000000;
  --white: #ffffff;
}

* {
  box-sizing: border-box;
  border-radius: 0 !important;
}

body {
  margin: 0;
  font-family:
    "PingFang SC", "Hiragino Sans GB", "Microsoft YaHei", "Noto Sans CJK SC",
    sans-serif;
  color: var(--text);
  background:
    linear-gradient(180deg, #f7faff 0%, #ffffff 35%),
    repeating-linear-gradient(
      90deg,
      rgba(11, 87, 208, 0.05) 0 1px,
      transparent 1px 40px
    );
  line-height: 1.65;
}

.wrap {
  width: min(1100px, 92vw);
  margin: 0 auto;
  padding: 40px 0 80px;
}

.hero {
  border: 1px solid var(--line);
  background: var(--white);
  padding: 28px;
  margin-bottom: 24px;
  position: relative;
}

.hero-top {
  display: flex;
  align-items: center;
  gap: 16px;
  margin-bottom: 10px;
}

.logo-wrap {
  width: 72px;
  height: 72px;
  border: 1px solid var(--line);
  background: #f7fbff;
  display: inline-flex;
  align-items: center;
  justify-content: center;
  text-decoration: none;
  border-bottom: 0;
  transition:
    transform 220ms ease,
    box-shadow 220ms ease;
  transform-origin: center;
  will-change: transform;
}

.logo-wrap:hover {
  transform: scale(1.14);
  box-shadow: 6px 6px 0 #cfe0ff;
}

.logo-wrap svg {
  width: 52px;
  height: 52px;
  display: block;
}

.hero::before {
  content: "";
  position: absolute;
  inset: -1px auto auto -1px;
  width: 180px;
  height: 6px;
  background: var(--blue);
}

h1 {
  margin: 0 0 12px;
  font-size: clamp(28px, 4vw, 44px);
  line-height: 1.2;
  letter-spacing: 0.02em;
}

.sub {
  margin: 0;
  color: var(--muted);
  font-size: 16px;
}

.section {
  border: 1px solid var(--line);
  background: var(--white);
  padding: 22px;
  margin-top: 18px;
}

.section h2 {
  margin: 0 0 10px;
  font-size: 24px;
  border-left: 6px solid var(--blue);
  padding-left: 10px;
}

.section h3 {
  margin: 18px 0 8px;
  font-size: 18px;
}

.section-head {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 12px;
  margin-bottom: 10px;
}

.section-head h2 {
  margin: 0;
}

.project-logo {
  margin: 0 0 0 auto;
  line-height: 0;
  flex-shrink: 0;
}

.project-logo-link {
  text-decoration: none;
  border-bottom: 0;
  transform-origin: center right;
  transition: transform 180ms ease;
}

.project-logo-link:hover {
  transform: scale(1.1);
}

.project-logo svg,
.project-logo img {
  display: block;
  height: 26px;
  width: auto;
  max-width: 100%;
}

.project-logo--gravatar .g-fill-brand {
  fill: var(--blue);
}

.project-logo--gravatar .gravatar-logo-text {
  fill: var(--text);
}

p {
  margin: 8px 0;
}

.muted {
  color: var(--muted);
  font-size: 14px;
}

.code-card {
  border: 1px solid var(--line);
  margin: 12px 0;
  background: #fcfdff;
}

.code-head {
  display: flex;
  justify-content: space-between;
  align-items: center;
  padding: 8px 12px;
  background: var(--blue-soft);
  border-bottom: 1px solid var(--line);
  font-size: 13px;
  color: var(--blue-deep);
  font-weight: 600;
}

pre {
  margin: 0;
  padding: 14px;
  overflow-x: auto;
  font-size: 14px;
  line-height: 1.5;
  color: #10213f;
  background: #ffffff;
}

code {
  font-family:
    "JetBrains Mono", "SFMono-Regular", Menlo, Monaco, Consolas,
    "Liberation Mono", monospace;
}

:not(pre) > code {
  display: inline-block;
  padding: 1px 6px;
  border: 1px solid var(--line);
  background: var(--blue-soft);
  color: var(--blue-deep);
  font-size: 0.92em;
  line-height: 1.4;
  overflow-wrap: anywhere;
}

pre code {
  display: inline;
  padding: 0;
  border: 0;
  background: transparent;
  color: inherit;
  font-size: inherit;
  line-height: inherit;
}

.copy-btn {
  appearance: none;
  border: 0;
  background: transparent;
  color: inherit;
  font-weight: 700;
  cursor: pointer;
  display: inline-flex;
  align-items: center;
  justify-content: center;
  width: 32px;
  height: 32px;
  padding: 4px;
  min-width: 32px;
}

.copy-btn:hover {
  opacity: 0.85;
}

.copy-btn svg {
  width: 25px;
  height: 25px;
  display: block;
}

table {
  width: 100%;
  border-collapse: collapse;
  margin-top: 10px;
  font-size: 14px;
}

th,
td {
  border: 1px solid var(--line);
  padding: 10px;
  text-align: left;
  vertical-align: top;
}

th {
  background: var(--blue-soft);
  color: var(--blue-deep);
}

.warn {
  margin-top: 16px;
  border: 1px solid var(--line);
  padding: 12px;
  background: #f9fbff;
  font-size: 14px;
}

.footer {
  margin-top: 22px;
  color: var(--muted);
  font-size: 13px;
}

a {
  color: var(--blue);
  text-decoration: none;
  border-bottom: 1px solid var(--blue);
}

@media (min-width: 768px) and (max-width: 1024px) {
  .wrap {
    width: min(960px, 94vw);
    padding: 30px 0 66px;
  }

  .hero,
  .section {
    padding: 20px;
  }

  .hero-top {
    gap: 14px;
  }

  .logo-wrap {
    width: 64px;
    height: 64px;
  }

  .logo-wrap svg {
    width: 46px;
    height: 46px;
  }

  h1 {
    font-size: clamp(30px, 4.6vw, 36px);
    line-height: 1.24;
  }

  .sub {
    font-size: 15px;
  }

  .section h2 {
    font-size: 22px;
  }

  .section h3 {
    font-size: 17px;
  }

  .project-logo svg,
  .project-logo img {
    height: 24px;
  }

  .code-head {
    padding: 8px 11px;
  }

  pre {
    font-size: 13px;
    padding: 13px;
  }

  table {
    font-size: 13px;
  }

  th,
  td {
    padding: 9px;
  }
}

@media (max-width: 720px) {
  .wrap {
    width: 94vw;
    padding: 24px 0 56px;
  }

  .section,
  .hero {
    padding: 16px;
  }

  .hero::before {
    width: 120px;
    height: 5px;
  }

  .hero-top {
    align-items: flex-start;
    gap: 12px;
    margin-bottom: 8px;
  }

  .logo-wrap {
    width: 56px;
    height: 56px;
  }

  .logo-wrap svg {
    width: 40px;
    height: 40px;
  }

  h1 {
    font-size: clamp(22px, 6.4vw, 30px);
    line-height: 1.25;
  }

  .sub {
    font-size: 14px;
  }

  .section h2 {
    font-size: 20px;
    border-left-width: 4px;
    padding-left: 8px;
  }

  .section h3 {
    font-size: 16px;
  }

  .section-head {
    align-items: flex-start;
    gap: 8px;
  }

  .project-logo svg,
  .project-logo img {
    height: 22px;
  }

  .code-head {
    flex-wrap: wrap;
    gap: 8px;
    padding: 8px 10px;
  }

  .copy-btn {
    width: 28px;
    height: 28px;
    min-width: 28px;
    padding: 2px;
  }

  .copy-btn svg {
    width: 22px;
    height: 22px;
  }

  pre {
    font-size: 13px;
    padding: 12px;
  }

  table {
    display: block;
    overflow-x: auto;
    -webkit-overflow-scrolling: touch;
  }

  th,
  td {
    white-space: nowrap;
    padding: 8px;
  }

  .logo-wrap:hover {
    transform: none;
    box-shadow: none;
  }

  .project-logo-link:hover {
    transform: none;
  }
}

@media (max-width: 480px) {
  .wrap {
    width: 95vw;
    padding: 18px 0 44px;
  }

  .hero,
  .section {
    padding: 12px;
  }

  .hero-top {
    flex-direction: column;
    gap: 10px;
  }

  .logo-wrap {
    width: 52px;
    height: 52px;
  }

  .logo-wrap svg {
    width: 36px;
    height: 36px;
  }

  h1 {
    font-size: clamp(20px, 7vw, 26px);
    margin: 0 0 8px;
  }

  .sub {
    font-size: 13px;
    line-height: 1.55;
  }

  .section h2 {
    font-size: 18px;
  }

  .section h3 {
    font-size: 15px;
  }

  .code-head {
    font-size: 12px;
    padding: 7px 9px;
  }

  pre {
    font-size: 12px;
    padding: 10px;
  }

  p,
  table,
  .muted,
  .warn {
    font-size: 13px;
  }
}