:root {
  --bg: #0b0f19;
  --card-bg: rgba(22, 30, 48, 0.7);
  --card-border: rgba(56, 75, 115, 0.4);
  --text: #f0f6fc;
  --text-muted: #8b949e;
  --accent: #388bfd;
  --accent-glow: rgba(56, 139, 253, 0.25);
  --badge-bg: rgba(56, 139, 253, 0.15);
  --badge-border: rgba(56, 139, 253, 0.35);
  --code-bg: #111726;
  --callout-bg: rgba(56, 139, 253, 0.08);
  --callout-border: rgba(56, 139, 253, 0.4);
  --tip-bg: rgba(46, 160, 67, 0.1);
  --tip-border: rgba(46, 160, 67, 0.4);
}

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

body {
  font-family: -apple-system, BlinkMacSystemFont, "SF Pro Text", "Segoe UI", Roboto, Helvetica, Arial, sans-serif;
  background-color: var(--bg);
  color: var(--text);
  line-height: 1.7;
  -webkit-font-smoothing: antialiased;
  overflow-x: hidden;
}

.glow-top {
  position: absolute;
  top: -150px;
  left: 50%;
  transform: translateX(-50%);
  width: 800px;
  height: 450px;
  background: radial-gradient(circle, rgba(56, 139, 253, 0.2) 0%, rgba(138, 92, 246, 0.1) 40%, transparent 70%);
  pointer-events: none;
  z-index: 0;
}

header {
  position: relative;
  z-index: 10;
  max-width: 1100px;
  margin: 0 auto;
  padding: 24px 20px;
  display: flex;
  justify-content: space-between;
  align-items: center;
}

.brand {
  display: flex;
  align-items: center;
  gap: 12px;
  text-decoration: none;
  color: var(--text);
  font-weight: 700;
  font-size: 1.25rem;
}

.brand img {
  width: 36px;
  height: 36px;
  border-radius: 8px;
}

.nav-links {
  display: flex;
  gap: 20px;
  align-items: center;
}

.nav-links a {
  color: var(--text-muted);
  text-decoration: none;
  font-size: 0.95rem;
  transition: color 0.2s;
}

.nav-links a:hover {
  color: var(--text);
}

.github-btn {
  display: inline-flex;
  align-items: center;
  gap: 6px;
  padding: 6px 14px;
  background: var(--card-bg);
  border: 1px solid var(--card-border);
  border-radius: 20px;
  color: var(--text) !important;
  font-weight: 500;
  font-size: 0.9rem;
}

.github-btn:hover {
  border-color: var(--accent);
}

.guide-article {
  position: relative;
  z-index: 10;
  max-width: 840px;
  margin: 30px auto 80px;
  padding: 0 24px;
}

.breadcrumbs {
  display: flex;
  align-items: center;
  gap: 8px;
  font-size: 0.88rem;
  color: var(--text-muted);
  margin-bottom: 24px;
}

.breadcrumbs a {
  color: var(--text-muted);
  text-decoration: none;
  transition: color 0.2s;
}

.breadcrumbs a:hover {
  color: var(--text);
}

.guide-header {
  margin-bottom: 36px;
}

h1 {
  font-size: 2.5rem;
  font-weight: 800;
  letter-spacing: -0.025em;
  line-height: 1.2;
  margin-bottom: 18px;
  background: linear-gradient(135deg, #ffffff 40%, #79c0ff 100%);
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
}

.guide-meta {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  gap: 14px;
  font-size: 0.88rem;
  color: var(--text-muted);
  padding-bottom: 24px;
  border-bottom: 1px solid var(--card-border);
}

.guide-tag {
  display: inline-flex;
  align-items: center;
  gap: 6px;
  padding: 3px 10px;
  background: var(--badge-bg);
  border: 1px solid var(--badge-border);
  border-radius: 50px;
  color: #79c0ff;
  font-size: 0.82rem;
  font-weight: 500;
}

.answer-ready-box {
  background: linear-gradient(180deg, rgba(56, 139, 253, 0.12) 0%, rgba(22, 30, 48, 0.7) 100%);
  border: 1px solid var(--accent);
  box-shadow: 0 0 25px var(--accent-glow);
  border-radius: 14px;
  padding: 24px 28px;
  margin: 28px 0 36px;
}

.answer-ready-box h3 {
  font-size: 1.05rem;
  font-weight: 700;
  color: #79c0ff;
  margin-bottom: 10px;
  display: flex;
  align-items: center;
  gap: 8px;
}

.answer-ready-box p {
  font-size: 1.02rem;
  color: #f0f6fc;
  line-height: 1.65;
  margin-bottom: 12px;
}

.answer-ready-box p:last-child {
  margin-bottom: 0;
}

.disclosure {
  font-size: 0.82rem;
  color: var(--text-muted);
  font-style: italic;
  margin-top: 10px;
  display: block;
}

h2 {
  font-size: 1.65rem;
  font-weight: 700;
  letter-spacing: -0.015em;
  margin: 44px 0 16px;
  color: #ffffff;
  padding-bottom: 8px;
  border-bottom: 1px solid rgba(56, 75, 115, 0.25);
}

h3 {
  font-size: 1.22rem;
  font-weight: 600;
  margin: 28px 0 12px;
  color: #c9d1d9;
}

p {
  margin-bottom: 18px;
  font-size: 1.02rem;
  color: #c9d1d9;
}

p strong {
  color: #ffffff;
}

a {
  color: #58a6ff;
  text-decoration: none;
}

a:hover {
  text-decoration: underline;
}

ul, ol {
  margin: 16px 0 24px 24px;
  color: #c9d1d9;
}

li {
  margin-bottom: 10px;
  font-size: 1rem;
}

code {
  font-family: ui-monospace, SFMono-Regular, Menlo, Monaco, Consolas, monospace;
  background: var(--code-bg);
  border: 1px solid rgba(255, 255, 255, 0.1);
  padding: 2px 7px;
  border-radius: 5px;
  font-size: 0.9em;
  color: #79c0ff;
}

pre {
  background: var(--code-bg);
  border: 1px solid var(--card-border);
  border-radius: 10px;
  padding: 16px;
  overflow-x: auto;
  margin: 18px 0 24px;
}

pre code {
  background: none;
  border: none;
  padding: 0;
  color: #e6edf3;
  font-size: 0.95rem;
}

.callout {
  padding: 18px 22px;
  border-radius: 12px;
  margin: 24px 0;
  border-left: 4px solid;
}

.callout-info {
  background: var(--callout-bg);
  border-color: var(--accent);
}

.callout-tip {
  background: var(--tip-bg);
  border-color: #2ea043;
}

.callout-warning {
  background: rgba(210, 153, 34, 0.1);
  border-color: #d29922;
}

.callout strong {
  display: block;
  margin-bottom: 6px;
  color: #ffffff;
}

.guide-img {
  margin: 28px 0 32px;
  background: var(--card-bg);
  border: 1px solid var(--card-border);
  border-radius: 14px;
  overflow: hidden;
  box-shadow: 0 10px 30px rgba(0, 0, 0, 0.4);
}

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

.guide-img figcaption {
  padding: 12px 18px;
  font-size: 0.85rem;
  color: var(--text-muted);
  background: rgba(11, 15, 25, 0.6);
  border-top: 1px solid rgba(56, 75, 115, 0.3);
}

.table-responsive {
  overflow-x: auto;
  margin: 28px 0 34px;
  border-radius: 12px;
  border: 1px solid var(--card-border);
}

table {
  width: 100%;
  border-collapse: collapse;
  text-align: left;
  font-size: 0.94rem;
  background: var(--card-bg);
}

th, td {
  padding: 14px 18px;
  border-bottom: 1px solid var(--card-border);
}

th {
  background: rgba(56, 139, 253, 0.1);
  color: #ffffff;
  font-weight: 600;
  white-space: nowrap;
}

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

tr:hover td {
  background: rgba(255, 255, 255, 0.02);
}

.faq-section {
  margin-top: 48px;
}

.faq-card {
  background: var(--card-bg);
  border: 1px solid var(--card-border);
  border-radius: 12px;
  padding: 20px 24px;
  margin-bottom: 16px;
}

.faq-card h3 {
  margin: 0 0 8px;
  font-size: 1.12rem;
  color: #ffffff;
}

.faq-card p {
  margin: 0;
  color: var(--text-muted);
}

.cta-banner {
  margin: 50px 0 20px;
  background: linear-gradient(135deg, rgba(22, 30, 48, 0.9) 0%, rgba(56, 139, 253, 0.15) 100%);
  border: 1px solid var(--accent);
  box-shadow: 0 0 30px var(--accent-glow);
  border-radius: 16px;
  padding: 36px 32px;
  text-align: center;
}

.cta-banner h2 {
  border: none;
  margin: 0 0 12px;
  padding: 0;
  font-size: 1.8rem;
}

.cta-banner p {
  max-width: 600px;
  margin: 0 auto 24px;
  color: var(--text-muted);
}

.cta-buttons {
  display: flex;
  justify-content: center;
  flex-wrap: wrap;
  gap: 14px;
}

.btn-primary {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  padding: 12px 24px;
  background: linear-gradient(180deg, #2f81f7 0%, #1f6feb 100%);
  color: #ffffff;
  font-weight: 600;
  border-radius: 10px;
  text-decoration: none !important;
  box-shadow: 0 4px 14px rgba(47, 129, 247, 0.4);
  transition: transform 0.15s, box-shadow 0.15s;
}

.btn-primary:hover {
  transform: translateY(-1px);
  box-shadow: 0 6px 20px rgba(47, 129, 247, 0.6);
}

.btn-secondary {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  padding: 12px 20px;
  background: var(--code-bg);
  border: 1px solid var(--accent);
  color: #79c0ff;
  font-weight: 500;
  border-radius: 10px;
  font-family: ui-monospace, SFMono-Regular, Menlo, Monaco, monospace;
  font-size: 0.95rem;
  text-decoration: none !important;
  cursor: pointer;
}

footer {
  max-width: 1100px;
  margin: 0 auto;
  padding: 40px 20px;
  text-align: center;
  color: var(--text-muted);
  font-size: 0.9rem;
  border-top: 1px solid var(--card-border);
}

footer a {
  color: var(--text-muted);
  text-decoration: none;
}

footer a:hover {
  color: var(--text);
}

@media (max-width: 768px) {
  h1 { font-size: 2rem; }
  h2 { font-size: 1.4rem; }
  .guide-article { padding: 0 16px; margin-top: 20px; }
  .answer-ready-box { padding: 18px 20px; }
  .cta-banner { padding: 26px 20px; }
}