:root {
  color-scheme: light;
  --ink: #17121f;
  --muted: #6d6678;
  --faint: #8a857c;
  --paper: #f7f3ee;
  --panel: #fffdfb;
  --line: rgba(46, 30, 61, .1);
  --brand: #7a3dff;
  --brand-soft: #f3ecff;
  --cta: #17121f;
}
* { box-sizing: border-box; }
html, body { margin: 0; }
body {
  background: var(--paper);
  color: var(--ink);
  font: 16px/1.75 -apple-system, BlinkMacSystemFont, "PingFang SC",
    "Hiragino Sans GB", "Microsoft YaHei", sans-serif;
}
a { color: #8a3d1f; }
a:focus-visible, button:focus-visible {
  outline: 2px solid var(--brand);
  outline-offset: 3px;
}
button { font: inherit; cursor: pointer; }

.guide-app { min-height: 100vh; }
.guide-top {
  position: sticky;
  top: 0;
  z-index: 20;
  display: grid;
  grid-template-columns: auto auto 1fr auto auto;
  align-items: center;
  gap: 16px;
  min-height: 64px;
  padding: 10px 20px;
  background: rgba(255, 253, 251, .92);
  border-bottom: 1px solid var(--line);
  backdrop-filter: blur(12px);
}
.guide-brand {
  display: inline-flex;
  align-items: center;
  gap: 10px;
  color: inherit;
  text-decoration: none;
  font-weight: 700;
}
.guide-brand img { width: 32px; height: 32px; border-radius: 8px; }
.guide-links {
  display: flex;
  align-items: center;
  gap: 16px;
}
.guide-links a {
  color: var(--muted);
  text-decoration: none;
  font-size: 14px;
  font-weight: 650;
  cursor: pointer;
}
.guide-links a:hover,
.guide-links a.is-on { color: var(--ink); }
.guide-beian {
  color: var(--faint);
  text-decoration: none;
  font-size: 11px;
}
.guide-pager {
  display: flex;
  justify-content: center;
  gap: 10px;
}
.pager {
  display: inline-flex;
  align-items: center;
  min-height: 40px;
  padding: 0 14px;
  border: 1px solid var(--line);
  border-radius: 999px;
  background: #fff;
  color: var(--ink);
  text-decoration: none;
  font-size: 14px;
  font-weight: 600;
  cursor: pointer;
  transition: border-color .2s, background .2s, color .2s;
}
.pager:hover { border-color: #c9b6ef; background: var(--brand-soft); }
.pager.is-off {
  color: #b8b3bc;
  pointer-events: none;
  background: #f4f1ec;
}
.pager em { font-style: normal; color: var(--muted); font-weight: 500; margin: 0 6px 0 0; }
.guide-menu {
  display: none;
  min-height: 40px;
  padding: 0 14px;
  border: 1px solid var(--line);
  border-radius: 12px;
  background: #fff;
}
.guide-veil {
  display: none;
  position: fixed;
  inset: 0;
  z-index: 15;
  background: rgba(23, 18, 31, .28);
}

.guide-shell {
  display: grid;
  grid-template-columns: 248px minmax(0, 1fr);
  max-width: 1180px;
  margin: 0 auto;
  min-height: calc(100vh - 64px);
}
.guide-nav {
  position: sticky;
  top: 64px;
  align-self: start;
  height: calc(100vh - 64px);
  overflow: auto;
  padding: 22px 16px 40px;
  border-right: 1px solid var(--line);
  background: #fffaf6;
}
.guide-nav-kicker {
  margin: 0 10px 14px;
  color: var(--faint);
  font-size: 12px;
  letter-spacing: .08em;
}
.guide-nav section { margin-bottom: 18px; }
.guide-nav h2 {
  margin: 0 10px 8px;
  padding: 0;
  border: 0;
  color: var(--faint);
  font-size: 12px;
  font-weight: 700;
}
.guide-nav a {
  display: block;
  padding: 8px 10px;
  border-radius: 10px;
  color: var(--ink);
  text-decoration: none;
  font-size: 14px;
  line-height: 1.4;
  cursor: pointer;
  transition: background .18s, color .18s;
}
.guide-nav a:hover { background: #fff; }
.guide-nav a.is-current {
  background: var(--brand-soft);
  color: #4b1f9a;
  font-weight: 700;
}
.guide-nav-legal {
  margin: 24px 10px 0;
  color: var(--faint);
  font-size: 11px;
}
.guide-nav-legal a { color: var(--faint); padding: 0; }

.guide-main {
  padding: 28px 36px 72px;
  background: var(--panel);
}
.crumb { color: var(--faint); font-size: 13px; margin: 0 0 8px; }
.crumb a { color: var(--faint); }
h1 { font-size: 30px; line-height: 1.3; margin: 8px 0 10px; }
.lede { color: var(--muted); margin: 0 0 22px; font-size: 17px; }
h2 { font-size: 20px; margin: 34px 0 10px; padding-top: 10px; border-top: 1px solid #eceae5; }
p, li { margin: 8px 0; }
ul, ol { padding-left: 22px; }
blockquote {
  margin: 16px 0;
  padding: 12px 16px;
  border-left: 4px solid var(--brand);
  background: var(--brand-soft);
  color: #3c2142;
}
.cta {
  display: flex;
  flex-wrap: wrap;
  gap: 12px;
  align-items: center;
  margin: 28px 0 8px;
}
.button {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  min-height: 48px;
  padding: 0 20px;
  border-radius: 14px;
  background: var(--cta);
  color: #fff;
  font-weight: 700;
  text-decoration: none;
  cursor: pointer;
}
.ghost { color: var(--muted); }
.note { background: #f4efe8; border-radius: 10px; padding: 12px 16px; font-size: 15px; }
.shots {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(min(100%, 240px), max-content));
  gap: 16px;
  margin: 18px 0 8px;
  align-items: start;
  justify-items: start;
}
.shot { margin: 0; width: min(420px, 100%); max-width: 100%; }
.shot img {
  display: block;
  width: 100%;
  height: auto !important;
  max-width: 100%;
  aspect-ratio: auto;
  object-fit: contain;
  object-position: top center;
  border-radius: 16px;
  border: 1px solid var(--line);
  box-shadow: 0 10px 28px rgba(60, 32, 80, .06);
  background: #fff;
}
.shot figcaption { color: var(--muted); font-size: 13px; line-height: 1.5; margin-top: 8px; }
@media (max-width: 880px) {
  .guide-top { grid-template-columns: auto 1fr auto; }
  .guide-beian,
  .guide-pager { display: none; }
  .guide-menu { display: inline-flex; align-items: center; }
  .guide-shell { display: block; }
  .guide-nav {
    position: fixed;
    top: 64px;
    left: 0;
    z-index: 18;
    width: min(300px, 86vw);
    transform: translateX(-105%);
    transition: transform .22s ease;
    box-shadow: 16px 0 40px rgba(23, 18, 31, .08);
  }
  body.guide-nav-open .guide-nav { transform: none; }
  body.guide-nav-open .guide-veil { display: block; }
  .guide-main { padding: 22px 18px 64px; }
}

@media (prefers-reduced-motion: reduce) {
  .pager, .guide-nav, .guide-nav a { transition: none; }
}