:root {
  --brand: #2A7A55;
  --brand-dark: #1f5c3f;
  --brand-light: #4A9F70;
  --brand-soft: #e5f2eb;
  --brand-glow: rgba(42, 122, 85, 0.06);

  --bg: #f4f1e9;
  --paper: #fffaf0;
  --surface: rgba(255, 250, 240, 0.85);
  --surface-solid: #faf8f3;

  --ink: #0d0d0c;
  --text: #171717;
  --text-secondary: #4d4a45;
  --text-tertiary: #77736a;
  --muted: #9a968f;

  --line: rgba(34, 28, 20, 0.06);
  --line-strong: #d7d4ce;
  --table-line: #cbcac4;

  --radius-sm: 10px;
  --radius-md: 16px;
  --radius-lg: 20px;
  --radius-xl: 28px;

  --shadow-sm: 0 4px 12px rgba(34,28,20,0.06);
  --shadow-md: 0 18px 50px rgba(34,28,20,0.08);
  --shadow-lg: 0 26px 70px rgba(34,28,20,0.10);
  --shadow-strong: 0 32px 90px rgba(16,24,40,0.08);

  --max-width: 1216px;
  --page-x: 52px;
  --nav-height: 106px;

  --font-sans: "JY Noto Sans SC", "Noto Sans SC", "PingFang SC", "Microsoft YaHei", sans-serif;
  --font-serif: "JY Noto Serif SC", "Noto Serif SC", "Songti SC", STSong, serif;
  --font-number: "JY Inter", "Inter", "DIN Next", "SF Pro Display", sans-serif;
  --font-en: "JY Open Sans", "Open Sans", sans-serif;
  --font-mono: "JY JetBrains Mono", "JetBrains Mono", "SF Mono", ui-monospace, monospace;
}

*, *::before, *::after { box-sizing: border-box; margin: 0; padding: 0; }

html { scroll-behavior: smooth; -webkit-font-smoothing: antialiased; }

body {
  font-family: var(--font-sans);
  font-size: 16px;
  line-height: 1.7;
  color: var(--ink);
  background: var(--bg);
  min-height: 100vh;
}

a { color: var(--brand); text-decoration: none; transition: opacity .15s; }
a:hover { opacity: .7; }

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

::selection { background: var(--brand-soft); color: var(--brand); }

/* Layout */
.container { max-width: var(--max-width); margin: 0 auto; padding: 0 var(--page-x); }

/* Navigation */
nav {
  position: fixed; top: 0; left: 0; right: 0;
  height: var(--nav-height);
  background: rgba(244,241,233,0.92);
  backdrop-filter: blur(16px) saturate(1.5);
  -webkit-backdrop-filter: blur(16px) saturate(1.5);
  border-bottom: 1px solid var(--line);
  z-index: 100;
  display: flex; align-items: center;
}

nav .container {
  display: flex; align-items: center; justify-content: space-between;
  width: 100%;
}

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

.logo-mark {
  width: 42px; height: 42px;
  border-radius: 10px;
  overflow: hidden;
  flex-shrink: 0;
}

.logo-mark img {
  width: 100%; height: 100%;
  object-fit: cover;
  display: block;
}

.logo-text { font-family: var(--font-en); font-size: 18px; font-weight: 600; color: var(--ink); }

.nav-links { display: flex; align-items: center; gap: 36px; }

.nav-links a {
  font-size: 14px; font-weight: 500;
  color: var(--text-secondary); transition: color .15s;
}
.nav-links a:hover { color: var(--ink); opacity: 1; }

.nav-links .nav-cta {
  display: inline-flex; align-items: center; gap: 6px;
  background: var(--brand); color: #fff !important;
  padding: 10px 24px; border-radius: 40px;
  font-size: 14px; font-weight: 600;
  transition: all .2s;
}
.nav-links .nav-cta:hover { background: var(--brand-dark); opacity: 1; color: #fff !important; }

.lang-switch {
  display: inline-flex; align-items: center; justify-content: center;
  background: var(--surface-solid);
  border: 1px solid var(--line-strong);
  border-radius: 40px;
  padding: 8px 14px;
  font-size: 13px; font-weight: 600;
  color: var(--ink);
  cursor: pointer;
  transition: all .2s;
  font-family: var(--font-sans);
}
.lang-switch:hover { border-color: var(--brand); color: var(--brand); }
.lang-switch .lang-current { min-width: 18px; text-align: center; }

.mobile-toggle { display: none; flex-direction: column; gap: 4px; cursor: pointer; background: none; border: none; padding: 8px; }
.mobile-toggle span { width: 22px; height: 2px; background: var(--ink); border-radius: 2px; transition: .2s; }

/* Hero */
.hero {
  padding: calc(var(--nav-height) + 80px) 0 100px;
  text-align: center;
  position: relative;
}

.hero-eyebrow {
  display: inline-flex; align-items: center; gap: 8px;
  background: var(--surface);
  border: 1px solid var(--line-strong);
  border-radius: 40px;
  padding: 6px 16px;
  font-size: 13px; font-weight: 600;
  color: var(--text-secondary);
  margin-bottom: 28px;
}
.hero-eyebrow .dot {
  width: 7px; height: 7px; background: #26a040;
  border-radius: 50%; animation: pulse 2s infinite;
}
@keyframes pulse {
  0%, 100% { opacity: 1; }
  50% { opacity: 0.4; }
}

.hero h1 {
  font-family: var(--font-serif);
  font-size: clamp(42px, 6vw, 64px);
  font-weight: 700;
  line-height: 1.15;
  letter-spacing: -0.02em;
  margin-bottom: 20px;
  color: var(--ink);
}
.hero h1 em {
  font-style: normal; color: var(--brand);
}

.hero p {
  font-size: clamp(16px, 2vw, 19px);
  color: var(--text-secondary);
  max-width: 640px;
  margin: 0 auto 40px;
  line-height: 1.8;
}

.hero-actions {
  display: flex; align-items: center; justify-content: center; gap: 12px;
  flex-wrap: wrap;
}

.btn {
  display: inline-flex; align-items: center; gap: 8px;
  padding: 14px 28px; border-radius: 40px;
  font-size: 15px; font-weight: 600;
  border: none; cursor: pointer;
  transition: all .2s;
  text-decoration: none;
}

.btn-primary {
  background: var(--ink); color: #fff;
  box-shadow: var(--shadow-sm);
}
.btn-primary:hover { background: var(--brand); color: #fff; transform: translateY(-1px); box-shadow: var(--shadow-md); opacity: 1; }

.btn-outline {
  background: transparent; color: var(--ink);
  border: 1px solid var(--line-strong);
  box-shadow: var(--shadow-sm);
}
.btn-outline:hover { border-color: var(--ink); transform: translateY(-1px); opacity: 1; }

.btn-ghost {
  background: transparent; color: var(--text-secondary);
  padding: 14px 20px;
}
.btn-ghost:hover { color: var(--ink); opacity: 1; }

/* Section */
.section { padding: 120px 0; }

.section-label {
  display: inline-flex; align-items: center; gap: 10px;
  margin-bottom: 20px;
}

.section-num {
  font-family: var(--font-number);
  font-size: 14px; font-weight: 700;
  color: var(--text-tertiary);
  letter-spacing: 0.04em;
}

.section-line {
  width: 40px; height: 1px;
  background: var(--line-strong);
}

.section-title {
  font-family: var(--font-serif);
  font-size: clamp(30px, 4.5vw, 44px);
  font-weight: 700;
  letter-spacing: -0.02em;
  line-height: 1.2;
  margin-bottom: 12px;
  color: var(--ink);
}

.section-desc {
  font-size: 17px;
  color: var(--text-secondary);
  max-width: 560px;
  margin-bottom: 48px;
  line-height: 1.7;
}

/* Feature cards */
.cards-grid {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 16px;
}

.card {
  background: var(--paper);
  border: 1px solid var(--line-strong);
  border-radius: var(--radius-xl);
  padding: 32px 28px;
  transition: all .35s;
  position: relative;
  overflow: hidden;
}

.card:hover {
  border-color: var(--brand);
  box-shadow: var(--shadow-lg);
  transform: translateY(-3px);
}

.card:hover::after {
  content: '';
  position: absolute; top: 0; left: 0; right: 0; height: 3px;
  background: linear-gradient(90deg, var(--brand), var(--brand-light));
}

.card-icon {
  width: 42px; height: 42px;
  background: var(--brand-soft);
  border-radius: var(--radius-md);
  display: flex; align-items: center; justify-content: center;
  margin-bottom: 18px;
}

.card h3 {
  font-family: var(--font-serif);
  font-size: 18px; font-weight: 700;
  margin-bottom: 6px;
  color: var(--ink);
}

.card p {
  font-size: 14px; color: var(--text-secondary);
  line-height: 1.65;
}

/* Bento feature grid */
.bento-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 18px;
}

.bento-card {
  background: var(--paper);
  border: 1px solid var(--line-strong);
  border-radius: var(--radius-xl);
  padding: 28px 26px;
  transition: all .35s;
  position: relative;
  overflow: hidden;
  display: flex;
  flex-direction: column;
  min-height: 220px;
}

.bento-card:hover {
  border-color: var(--brand);
  box-shadow: var(--shadow-lg);
  transform: translateY(-3px);
}

.bento-card h3 {
  font-family: var(--font-serif);
  font-size: 20px; font-weight: 700;
  margin-bottom: 10px;
  color: var(--ink);
}

.bento-card p {
  font-size: 14px; color: var(--text-secondary);
  line-height: 1.65;
  margin: 0;
}

.bento-tag {
  display: inline-flex; align-items: center; gap: 6px;
  background: var(--tag-bg, var(--brand-soft));
  color: var(--tag-color, var(--brand));
  padding: 5px 11px;
  border-radius: 999px;
  font-size: 12px;
  font-weight: 600;
  margin-bottom: 16px;
  width: fit-content;
}

.bento-tag::before {
  content: '';
  width: 6px; height: 6px;
  border-radius: 50%;
  background: var(--tag-dot, var(--brand));
}

/* Two-column grid */
.grid-2 { display: grid; grid-template-columns: 1fr 1fr; gap: 20px; }
.grid-3 { display: grid; grid-template-columns: repeat(3, 1fr); gap: 16px; }

/* Steps */
.steps-grid {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 16px;
}

.step-card {
  background: var(--paper);
  border: 1px solid var(--line-strong);
  border-radius: var(--radius-xl);
  padding: 28px 24px;
  transition: all .3s;
  position: relative;
}

.step-card:hover {
  border-color: var(--brand);
  box-shadow: var(--shadow-md);
  transform: translateY(-2px);
}

.step-num {
  font-family: var(--font-number);
  font-size: 28px; font-weight: 800;
  color: var(--brand);
  letter-spacing: -0.02em;
  margin-bottom: 12px;
}

.step-card h4 {
  font-family: var(--font-serif);
  font-size: 17px; font-weight: 700;
  margin-bottom: 6px;
  color: var(--ink);
}

.step-card p {
  font-size: 13px; color: var(--text-secondary);
  line-height: 1.6;
}

/* Quote / cta card */
.cta-card {
  background: var(--paper);
  border: 1px solid var(--line-strong);
  border-radius: var(--radius-xl);
  padding: 48px;
  text-align: center;
  box-shadow: var(--shadow-md);
}

.cta-card h2 {
  font-family: var(--font-serif);
  font-size: 32px; font-weight: 700;
  margin-bottom: 12px;
  color: var(--ink);
}

.cta-card p {
  font-size: 16px; color: var(--text-secondary);
  margin-bottom: 32px;
}

.cta-card .btn { font-size: 16px; padding: 16px 36px; }

/* Code block */
.code-section {
  background: var(--paper);
  border: 1px solid var(--line-strong);
  border-radius: var(--radius-xl);
  padding: 32px 36px;
  box-shadow: var(--shadow-sm);
}

.code-section pre {
  font-family: var(--font-mono);
  font-size: 13px;
  line-height: 1.8;
  color: var(--text-secondary);
  overflow-x: auto;
}
.code-section pre .key { color: var(--brand); }
.code-section pre .str { color: var(--text-secondary); }

/* Table */
.table-wrap {
  background: var(--paper);
  border: 1px solid var(--line-strong);
  border-radius: var(--radius-xl);
  overflow-x: auto;
}

.table-wrap table {
  width: 100%;
  border-collapse: collapse;
  font-size: 14px;
}

.table-wrap th {
  font-family: var(--font-serif);
  font-size: 13px; font-weight: 600;
  color: var(--text-tertiary);
  text-align: left;
  padding: 16px 20px;
  border-bottom: 1px solid var(--table-line);
  text-transform: uppercase; letter-spacing: 0.04em;
}

.table-wrap td {
  padding: 16px 20px;
  border-bottom: 1px solid var(--line);
  color: var(--text);
}

.table-wrap tr:last-child td { border-bottom: none; }

.table-wrap tr:hover td { background: var(--brand-soft); }

.table-num {
  font-family: var(--font-number);
  font-weight: 700; color: var(--text-tertiary);
}

.table-highlight { font-weight: 700; color: var(--brand); }

/* Docs cards */
.docs-grid {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 16px;
}

.doc-card {
  background: var(--paper);
  border: 1px solid var(--line-strong);
  border-radius: var(--radius-xl);
  padding: 28px;
  transition: all .3s;
}

.doc-card:hover {
  border-color: var(--brand);
  box-shadow: var(--shadow-md);
  transform: translateY(-2px);
}

.doc-card h4 {
  font-family: var(--font-serif);
  font-size: 17px; font-weight: 700;
  margin-bottom: 6px;
  color: var(--ink);
}

.doc-card p {
  font-size: 13px; color: var(--text-secondary);
  line-height: 1.6;
}

/* Footer */
footer {
  border-top: 1px solid var(--line-strong);
  padding: 48px 0;
}

.footer-grid {
  display: grid;
  grid-template-columns: 2fr 1fr 1fr 1fr;
  gap: 40px;
  margin-bottom: 40px;
}

.footer-brand p {
  font-size: 14px; color: var(--text-tertiary);
  margin-top: 12px; line-height: 1.6;
  max-width: 260px;
}

.footer-col h4 {
  font-family: var(--font-serif);
  font-size: 14px; font-weight: 600;
  color: var(--ink);
  margin-bottom: 14px;
}

.footer-col a {
  display: block;
  font-size: 14px; color: var(--text-secondary);
  margin-bottom: 8px;
  transition: color .15s;
}
.footer-col a:hover { color: var(--brand); opacity: 1; }

.footer-bottom {
  border-top: 1px solid var(--line);
  padding-top: 24px;
  display: flex; justify-content: space-between; align-items: center;
  font-size: 13px; color: var(--text-tertiary);
  gap: 12px; flex-wrap: wrap;
}
.footer-beian {
  color: var(--text-tertiary);
  text-decoration: none;
  transition: color .15s;
}
.footer-beian:hover { color: var(--brand); }

/* ============ Docs layout ============ */
.docs-layout {
  display: grid;
  grid-template-columns: 240px minmax(0, 1fr);
  gap: 48px;
  align-items: start;
}

.docs-sidebar {
  position: sticky;
  top: calc(var(--nav-height) + 24px);
  max-height: calc(100vh - var(--nav-height) - 48px);
  overflow-y: auto;
  padding-right: 8px;
}

.docs-sidebar .sidebar-group { margin-bottom: 24px; }

.docs-sidebar .sidebar-title {
  font-family: var(--font-number);
  font-size: 12px; font-weight: 700;
  color: var(--text-tertiary);
  text-transform: uppercase;
  letter-spacing: 0.08em;
  margin-bottom: 8px;
  padding-left: 12px;
}

.docs-sidebar a {
  display: block;
  font-size: 14px;
  color: var(--text-secondary);
  padding: 7px 12px;
  border-radius: 8px;
  border-left: 2px solid transparent;
  transition: all .15s;
}
.docs-sidebar a:hover { color: var(--ink); background: var(--brand-glow); opacity: 1; }
.docs-sidebar a.active {
  color: var(--brand);
  font-weight: 600;
  background: var(--brand-soft);
  border-left-color: var(--brand);
}

.docs-sidebar-toggle { display: none; }

/* Docs prose */
.docs-prose { max-width: 780px; }

.docs-prose > .section-desc { margin-bottom: 32px; }

.docs-prose h2 {
  font-family: var(--font-serif);
  font-size: 26px; font-weight: 700;
  letter-spacing: -0.01em;
  margin: 48px 0 16px;
  padding-top: 8px;
  color: var(--ink);
  scroll-margin-top: calc(var(--nav-height) + 16px);
}
.docs-prose h2:first-of-type { margin-top: 8px; }

.docs-prose h3 {
  font-family: var(--font-serif);
  font-size: 19px; font-weight: 700;
  margin: 32px 0 10px;
  color: var(--ink);
  scroll-margin-top: calc(var(--nav-height) + 16px);
}

.docs-prose p {
  color: var(--text-secondary);
  line-height: 1.85;
  margin-bottom: 14px;
  font-size: 15.5px;
}

.docs-prose ul, .docs-prose ol {
  color: var(--text-secondary);
  line-height: 1.85;
  margin: 0 0 16px 22px;
  font-size: 15.5px;
}
.docs-prose li { margin-bottom: 6px; }
.docs-prose li::marker { color: var(--brand); font-weight: 600; }

.docs-prose strong { color: var(--ink); font-weight: 600; }

.docs-prose code {
  font-family: var(--font-mono);
  font-size: 13px;
  background: var(--brand-soft);
  color: var(--brand);
  padding: 2px 7px;
  border-radius: 6px;
}

.docs-prose pre {
  font-family: var(--font-mono);
  font-size: 13px;
  line-height: 1.8;
  background: var(--ink);
  color: #e8e4dc;
  padding: 20px 24px;
  border-radius: var(--radius-md);
  overflow-x: auto;
  margin-bottom: 18px;
}
.docs-prose pre code { background: none; color: inherit; padding: 0; }

/* Callouts */
.callout {
  display: flex; gap: 12px;
  background: var(--paper);
  border: 1px solid var(--line-strong);
  border-left: 3px solid var(--brand);
  border-radius: var(--radius-md);
  padding: 16px 20px;
  margin: 20px 0;
}
.callout .callout-icon { flex-shrink: 0; margin-top: 2px; }
.callout p { margin-bottom: 0; font-size: 14.5px; }
.callout.tip { border-left-color: var(--brand); background: var(--brand-glow); }
.callout.warn { border-left-color: #c27815; background: rgba(194, 120, 21, 0.05); }
.callout.warn .callout-icon svg { stroke: #c27815; }

/* Screenshot figure */
.screenshot-row {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 20px;
  margin: 24px 0;
}
.screenshot-row .screenshot-figure {
  width: 100%;
}
.screenshot-figure {
  width: 220px;
  background: var(--paper);
  border: 1px solid var(--line-strong);
  border-radius: var(--radius-lg);
  padding: 12px;
  box-shadow: var(--shadow-sm);
  transition: all .3s;
}
.screenshot-figure:hover { transform: translateY(-3px); box-shadow: var(--shadow-md); }
.screenshot-figure img {
  border-radius: calc(var(--radius-lg) - 6px);
  width: 100%;
}
.screenshot-figure figcaption {
  font-size: 13px;
  color: var(--text-tertiary);
  text-align: center;
  margin-top: 10px;
}

/* Inline mini TOC for long pages */
.docs-toc {
  background: var(--paper);
  border: 1px solid var(--line-strong);
  border-radius: var(--radius-md);
  padding: 18px 22px;
  margin: 24px 0 32px;
}
.docs-toc .toc-title {
  font-family: var(--font-number);
  font-size: 12px; font-weight: 700;
  color: var(--text-tertiary);
  text-transform: uppercase;
  letter-spacing: 0.08em;
  margin-bottom: 8px;
}
.docs-toc a {
  display: inline-block;
  font-size: 14px;
  color: var(--text-secondary);
  margin: 3px 14px 3px 0;
  transition: color .15s;
}
.docs-toc a:hover, .docs-toc a.active { color: var(--brand); opacity: 1; }

/* Prev / next pager */
.docs-pager {
  display: flex;
  justify-content: space-between;
  gap: 16px;
  margin-top: 56px;
  padding-top: 28px;
  border-top: 1px solid var(--line-strong);
}
.docs-pager a { display: flex; flex-direction: column; gap: 4px; max-width: 45%; }
.docs-pager a.next { text-align: right; margin-left: auto; }
.docs-pager .pager-label {
  font-size: 12px; color: var(--text-tertiary);
  text-transform: uppercase; letter-spacing: 0.06em;
}
.docs-pager .pager-title { font-size: 15px; font-weight: 600; color: var(--brand); }

/* FAQ accordion */
.faq-item {
  background: var(--paper);
  border: 1px solid var(--line-strong);
  border-radius: var(--radius-md);
  margin-bottom: 12px;
  overflow: hidden;
  transition: border-color .2s;
}
.faq-item:hover { border-color: var(--brand-light); }
.faq-item summary {
  cursor: pointer;
  list-style: none;
  padding: 18px 24px;
  font-weight: 600;
  font-size: 15.5px;
  color: var(--ink);
  display: flex;
  justify-content: space-between;
  align-items: center;
  gap: 12px;
}
.faq-item summary::-webkit-details-marker { display: none; }
.faq-item summary::after {
  content: '+';
  font-family: var(--font-number);
  font-size: 20px; font-weight: 400;
  color: var(--brand);
  flex-shrink: 0;
  transition: transform .2s;
}
.faq-item[open] summary::after { transform: rotate(45deg); }
.faq-item .faq-body {
  padding: 0 24px 20px;
  color: var(--text-secondary);
  font-size: 14.5px;
  line-height: 1.8;
}
.faq-item .faq-body p { margin-bottom: 10px; }
.faq-item .faq-body ul { margin: 0 0 10px 20px; }

/* Feature list table inside docs */
.docs-prose .table-wrap { margin: 18px 0 24px; }
.docs-prose .table-wrap td { font-size: 13.5px; padding: 13px 18px; }
.docs-prose .table-wrap th { padding: 13px 18px; }

/* Tag pill */
.pill {
  display: inline-block;
  font-size: 12px; font-weight: 600;
  color: var(--brand);
  background: var(--brand-soft);
  border-radius: 20px;
  padding: 2px 10px;
  margin-right: 6px;
  vertical-align: middle;
}

/* Response */
@media (max-width: 1000px) {
  .cards-grid, .steps-grid, .docs-grid { grid-template-columns: 1fr 1fr; }
  .grid-2 { grid-template-columns: 1fr; }
  .grid-3 { grid-template-columns: 1fr 1fr; }
  .footer-grid { grid-template-columns: 1fr 1fr; gap: 32px; }
  .footer-grid > :first-child { grid-column: 1 / -1; }

  .bento-grid { grid-template-columns: repeat(2, 1fr); }

  .docs-layout { grid-template-columns: 1fr; gap: 0; }
  .docs-sidebar {
    position: static;
    max-height: none;
    display: none;
    background: var(--paper);
    border: 1px solid var(--line-strong);
    border-radius: var(--radius-md);
    padding: 16px;
    margin-bottom: 32px;
  }
  .docs-sidebar.open { display: block; }
  .docs-sidebar-toggle {
    display: flex;
    align-items: center;
    justify-content: space-between;
    width: 100%;
    background: var(--paper);
    border: 1px solid var(--line-strong);
    border-radius: var(--radius-md);
    padding: 14px 18px;
    font-size: 14px; font-weight: 600;
    font-family: var(--font-sans);
    color: var(--ink);
    cursor: pointer;
    margin-bottom: 12px;
  }
  .docs-sidebar-toggle::after {
    content: '☰';
    font-size: 16px;
    color: var(--brand);
  }
  .screenshot-row { grid-template-columns: repeat(2, 1fr); }
  .screenshot-figure { width: calc(50% - 10px); }
}

@media (max-width: 640px) {
  :root { --page-x: 24px; --nav-height: 72px; }

  .nav-links { display: none; }
  .mobile-toggle { display: flex; }
  .nav-links.open {
    display: flex;
    position: fixed; top: var(--nav-height); left: 0; right: 0;
    flex-direction: column;
    background: var(--paper);
    border-bottom: 1px solid var(--line-strong);
    padding: 20px 24px;
    gap: 16px;
    align-items: flex-start;
  }

  .cards-grid, .steps-grid, .docs-grid, .grid-3 { grid-template-columns: 1fr; }
  .bento-grid { grid-template-columns: 1fr; }
  .bento-card { padding: 24px; min-height: auto; }
  .screenshot-row { grid-template-columns: 1fr; }

  .hero { padding: calc(var(--nav-height) + 40px) 0 60px; }
  .section { padding: 80px 0; }
  .footer-grid { grid-template-columns: 1fr; }
  .footer-bottom { flex-direction: column; gap: 12px; text-align: center; }
  .cta-card { padding: 32px 24px; }
  .docs-prose h2 { font-size: 22px; }
  .docs-prose h3 { font-size: 17px; }
  .docs-pager { flex-direction: column; gap: 20px; }
  .docs-pager a { max-width: 100%; }
  .docs-pager a.next { text-align: left; margin-left: 0; }
  .faq-item summary { padding: 16px 18px; font-size: 15px; }
  .faq-item .faq-body { padding: 0 18px 16px; }
}

/* v1.0: 支持作者/交流群卡片(快速上手页) */
.support-cards {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(280px, 1fr));
  gap: 24px;
  margin: 24px 0;
}
.support-card {
  background: var(--paper);
  border: 1px solid var(--line-strong);
  border-radius: var(--radius-lg);
  padding: 24px;
  box-shadow: var(--shadow-sm);
}
.support-card h3 { margin: 0 0 8px; font-size: 18px; }
.support-hint { color: var(--muted); font-size: 14px; margin: 0 0 16px; }
.support-qr-row {
  display: flex;
  gap: 16px;
  justify-content: center;
  flex-wrap: wrap;
}
.support-qr-row .screenshot-figure { width: 180px; margin: 0; }