@font-face {
  font-family: "Heyou Noto Sans SC";
  src: url("/static/noto-sans-sc-400.woff2") format("woff2");
  font-style: normal;
  font-weight: 100 900;
  font-display: swap;
}
:root {
  --ink: #180a2d;
  --muted: #6f6481;
  --purple: #6d28d9;
  --purple-dark: #3b0d70;
  --lilac: #f5efff;
  --line: #e8def5;
  --green: #0c9b6d;
  --shadow: 0 18px 48px rgba(46, 20, 78, .10);
}
* { box-sizing: border-box; }
html { scroll-behavior: smooth; }
body { margin: 0; color: var(--ink); background: #faf9fd; font: 15px/1.65 "Heyou Noto Sans SC", "Microsoft YaHei", "PingFang SC", system-ui, sans-serif; }
a { color: inherit; }
.skip-link { position: fixed; z-index: 99; left: 16px; top: -60px; padding: 10px 16px; color: #fff; background: var(--purple-dark); border-radius: 10px; }
.skip-link:focus { top: 12px; }
.guide-topbar { position: sticky; z-index: 20; top: 0; min-height: 72px; padding: 0 max(22px, calc((100vw - 1440px)/2)); display: flex; align-items: center; justify-content: space-between; gap: 24px; color: #fff; background: rgba(28, 8, 54, .96); box-shadow: 0 8px 24px rgba(20, 4, 40, .18); backdrop-filter: blur(14px); }
.guide-brand { display: flex; align-items: center; gap: 11px; text-decoration: none; }
.guide-brand > span { width: 42px; height: 42px; display: grid; place-items: center; border-radius: 13px; font-size: 22px; font-weight: 800; background: linear-gradient(145deg, #9d6cff, #6d28d9); }
.guide-brand div { display: grid; line-height: 1.2; }
.guide-brand small { margin-top: 4px; color: #cbb9e4; font-size: 10px; letter-spacing: .15em; }
.guide-topbar nav { display: flex; align-items: center; gap: 8px; }
.guide-topbar nav a { min-height: 42px; padding: 9px 14px; display: inline-flex; align-items: center; border-radius: 10px; color: #dfd1ee; text-decoration: none; }
.guide-topbar nav a:hover, .guide-topbar nav a:focus-visible { color: #fff; background: rgba(255,255,255,.10); }
.guide-topbar nav .primary { color: #241037; background: #fff; }
main { max-width: 1440px; margin: 0 auto; padding: 34px 22px 72px; }
.guide-hero { position: relative; overflow: hidden; min-height: 410px; padding: clamp(34px, 6vw, 78px); display: grid; grid-template-columns: minmax(0, 1.25fr) minmax(320px, .75fr); align-items: center; gap: 58px; border-radius: 28px; color: #fff; background: radial-gradient(circle at 75% 15%, rgba(177,121,255,.36), transparent 34%), linear-gradient(135deg, #17052d 0%, #35105f 55%, #5c1bb2 100%); box-shadow: var(--shadow); }
.guide-hero:after { content: ""; position: absolute; right: -110px; bottom: -170px; width: 430px; height: 430px; border: 1px solid rgba(255,255,255,.14); border-radius: 50%; box-shadow: 0 0 0 54px rgba(255,255,255,.035), 0 0 0 108px rgba(255,255,255,.025); }
.guide-hero > * { position: relative; z-index: 1; }
.eyebrow, .section-heading small { color: #b99bf0; font-size: 11px; font-weight: 800; letter-spacing: .18em; }
.guide-hero h1 { margin: 12px 0 18px; font-size: clamp(34px, 4.8vw, 66px); line-height: 1.08; letter-spacing: -.04em; }
.guide-hero h1 em { color: #c9a9ff; font-style: normal; }
.guide-hero p { max-width: 720px; margin: 0; color: #ded2ee; font-size: clamp(15px, 1.4vw, 18px); }
.hero-actions { margin-top: 28px; display: flex; flex-wrap: wrap; gap: 12px; }
.hero-actions a { min-height: 46px; padding: 11px 20px; display: inline-flex; align-items: center; border-radius: 12px; color: #37105f; background: #fff; font-weight: 800; text-decoration: none; }
.hero-actions .soft { color: #fff; border: 1px solid rgba(255,255,255,.28); background: rgba(255,255,255,.08); }
.guide-hero aside { display: grid; gap: 12px; }
.guide-hero aside > div { padding: 18px; display: flex; gap: 14px; border: 1px solid rgba(255,255,255,.14); border-radius: 16px; background: rgba(15,3,31,.30); backdrop-filter: blur(8px); }
.guide-hero aside strong { color: #b98aff; font-size: 12px; letter-spacing: .12em; }
.guide-hero aside span { display: grid; }
.guide-hero aside b { font-size: 16px; }
.guide-hero aside small { margin-top: 3px; color: #cfc0e1; }
.guide-layout { min-width: 0; margin-top: 28px; display: grid; grid-template-columns: 230px minmax(0, 1fr); gap: 24px; align-items: start; }
.guide-index { position: sticky; top: 96px; padding: 18px; display: grid; gap: 5px; border: 1px solid var(--line); border-radius: 18px; background: #fff; box-shadow: 0 10px 30px rgba(45,20,70,.05); }
.guide-index span { padding: 4px 10px 10px; color: #9484a8; font-size: 11px; font-weight: 800; letter-spacing: .14em; }
.guide-index a { padding: 9px 10px; border-radius: 9px; color: #5c5069; text-decoration: none; }
.guide-index a:hover, .guide-index a:focus-visible { color: var(--purple); background: var(--lilac); }
.guide-content { min-width: 0; display: grid; gap: 24px; }
.guide-section { min-width: 0; scroll-margin-top: 94px; padding: clamp(24px, 4vw, 42px); border: 1px solid var(--line); border-radius: 22px; background: #fff; box-shadow: 0 12px 32px rgba(46,20,78,.055); }
.section-lead { max-width: 850px; margin: -8px 0 22px; color: var(--muted); font-size: 16px; }
.section-heading { margin-bottom: 24px; display: flex; align-items: center; gap: 14px; }
.section-heading > span { width: 46px; height: 46px; display: grid; place-items: center; border-radius: 14px; color: #fff; background: linear-gradient(145deg, #8b4ee9, #5716b3); font-weight: 800; }
.section-heading div { display: grid; line-height: 1.2; }
.section-heading h2 { margin: 3px 0 0; font-size: clamp(24px, 3vw, 34px); }
.step-grid { display: grid; grid-template-columns: repeat(2, minmax(0,1fr)); gap: 14px; }
.step-grid article { position: relative; min-height: 194px; padding: 23px; border: 1px solid #eee6f7; border-radius: 17px; background: linear-gradient(145deg, #fff, #fcf9ff); }
.step-grid i { width: 32px; height: 32px; display: grid; place-items: center; border-radius: 10px; color: var(--purple); background: var(--lilac); font-style: normal; font-weight: 800; }
.step-grid h3 { margin: 15px 0 5px; font-size: 18px; }
.step-grid p { margin: 0 0 12px; color: var(--muted); }
.step-grid a { color: var(--purple); font-weight: 700; text-decoration: none; }
.feature-grid { display: grid; grid-template-columns: repeat(3, minmax(0,1fr)); gap: 14px; }
.feature-grid article { min-width: 0; padding: 22px; display: flex; flex-direction: column; border: 1px solid #eee6f7; border-radius: 17px; background: linear-gradient(145deg, #fff, #fbf8ff); }
.feature-grid i { width: 38px; height: 38px; display: grid; place-items: center; border-radius: 12px; color: #fff; background: linear-gradient(145deg, #8b4ee9, #5716b3); font-style: normal; font-weight: 800; }
.feature-grid h3 { margin: 15px 0 6px; font-size: 18px; }
.feature-grid p { flex: 1; margin: 0 0 12px; color: var(--muted); }
.feature-grid a { color: var(--purple); font-weight: 750; text-decoration: none; }
.role-grid { display: grid; grid-template-columns: repeat(3, minmax(0,1fr)); gap: 14px; }
.role-grid article { padding: 22px; border: 1px solid var(--line); border-radius: 17px; background: #fcfaff; }
.role-grid article > span, .knowledge-path article > span { color: var(--purple); font-size: 11px; font-weight: 800; letter-spacing: .08em; }
.role-grid h3, .knowledge-path h3 { margin: 8px 0 10px; font-size: 18px; }
.role-grid ol { margin: 0; padding-left: 21px; color: var(--muted); }
.role-grid li + li { margin-top: 5px; }
.flow-line { display: grid; grid-template-columns: repeat(7, auto); align-items: center; justify-content: space-between; gap: 10px; }
.flow-line div { min-width: 0; padding: 17px; display: grid; border: 1px solid var(--line); border-radius: 14px; background: #fcfaff; }
.flow-line b { font-size: 15px; }
.flow-line small { margin-top: 5px; color: var(--muted); }
.flow-line > i { color: #a685cd; font-style: normal; font-size: 20px; }
.callout { margin-top: 18px; padding: 15px 18px; display: flex; gap: 12px; border-radius: 13px; color: #4b2a09; background: #fff5d8; }
.callout.neutral { color: #49395b; background: #f4f0fa; }
.mode-grid { display: grid; grid-template-columns: repeat(2, minmax(0,1fr)); gap: 16px; }
.mode-grid article { position: relative; padding: 24px; border: 1px solid var(--line); border-radius: 18px; background: #fdfbff; }
.mode-grid article.recommended { border-color: #c5a8ed; background: linear-gradient(145deg, #fbf7ff, #f4ebff); }
.mode-grid article > span { padding: 4px 9px; border-radius: 999px; color: var(--purple); background: #eadcff; font-size: 11px; font-weight: 800; }
.mode-grid h3 { margin: 14px 0 8px; font-size: 20px; }
.mode-grid ul { margin: 0; padding-left: 20px; color: var(--muted); }
.rule-strip { margin-top: 16px; padding: 14px 18px; display: flex; flex-wrap: wrap; gap: 10px 18px; align-items: center; border-radius: 14px; color: #075b41; background: #eaf9f3; }
.rule-strip span:before { content: "✓"; margin-right: 6px; font-weight: 900; }
.operation-steps { margin-bottom: 18px; display: grid; grid-template-columns: repeat(5, minmax(0,1fr)); gap: 10px; }
.operation-steps article { min-width: 0; padding: 15px; display: flex; gap: 10px; border: 1px solid var(--line); border-radius: 14px; background: #fcfaff; }
.operation-steps article > b { flex: 0 0 28px; width: 28px; height: 28px; display: grid; place-items: center; border-radius: 9px; color: #fff; background: var(--purple); }
.operation-steps span { min-width: 0; display: grid; align-content: start; }
.operation-steps strong { font-size: 14px; }
.operation-steps small { margin-top: 4px; color: var(--muted); line-height: 1.5; }
.panel-map, .safety-grid { display: grid; grid-template-columns: repeat(2, minmax(0,1fr)); gap: 14px; }
.panel-map article, .safety-grid div { padding: 20px; border: 1px solid var(--line); border-radius: 15px; background: #fff; }
.panel-map b, .safety-grid b { font-size: 17px; }
.panel-map p, .safety-grid p { margin: 6px 0 0; color: var(--muted); }
.privacy-note { margin: 16px 0 0; padding: 14px 17px; border-radius: 13px; color: #4e4160; background: #f4f1f7; }
.knowledge-path { display: grid; grid-template-columns: repeat(3, minmax(0,1fr)); gap: 14px; }
.knowledge-path article { padding: 22px; border: 1px solid var(--line); border-radius: 17px; background: linear-gradient(145deg, #fff, #faf6ff); }
.knowledge-path p { margin: 0; color: var(--muted); }
.table-wrap { width: 100%; max-width: 100%; min-width: 0; overflow-x: auto; border: 1px solid var(--line); border-radius: 15px; }
table { width: 100%; min-width: 760px; border-collapse: collapse; background: #fff; }
th, td { padding: 14px 16px; border-bottom: 1px solid var(--line); text-align: left; vertical-align: top; }
th { color: #4b3b60; background: #f7f2fc; font-size: 13px; }
td { color: var(--muted); }
td:first-child { color: var(--ink); font-weight: 750; }
tbody tr:last-child td { border-bottom: 0; }
.faq-list code { padding: 2px 6px; border-radius: 6px; color: #4d1b87; background: #f3ebfb; font-family: Consolas, "SFMono-Regular", monospace; font-size: .9em; overflow-wrap: anywhere; }
.faq-list { display: grid; gap: 10px; }
.faq-list details { border: 1px solid var(--line); border-radius: 14px; background: #fff; }
.faq-list summary { padding: 17px 19px; cursor: pointer; font-weight: 750; }
.faq-list details[open] summary { color: var(--purple); border-bottom: 1px solid var(--line); }
.faq-list p { margin: 0; padding: 16px 19px; color: var(--muted); }
footer { max-width: 1440px; margin: 0 auto; padding: 0 22px 34px; display: flex; justify-content: space-between; color: #786d84; }
footer a { color: var(--purple); text-decoration: none; }
button, a, summary { -webkit-tap-highlight-color: transparent; }
:focus-visible { outline: 3px solid rgba(109,40,217,.28); outline-offset: 3px; }
@media (max-width: 980px) {
  .guide-hero { grid-template-columns: 1fr; gap: 32px; }
  .guide-hero aside { grid-template-columns: repeat(3, minmax(0,1fr)); }
  .guide-hero aside > div { display: grid; }
  .guide-layout { grid-template-columns: 1fr; }
  .guide-index { position: static; display: flex; overflow-x: auto; white-space: nowrap; }
  .guide-index span { display: none; }
  .flow-line { grid-template-columns: 1fr; }
  .flow-line > i { transform: rotate(90deg); justify-self: center; }
  .feature-grid, .role-grid, .knowledge-path { grid-template-columns: repeat(2, minmax(0,1fr)); }
  .operation-steps { grid-template-columns: repeat(2, minmax(0,1fr)); }
}
@media (max-width: 720px) {
  .guide-topbar { min-height: auto; padding: 12px 16px; align-items: flex-start; }
  .guide-brand div { display: none; }
  .guide-topbar nav { overflow-x: auto; }
  .guide-topbar nav a { padding-inline: 10px; white-space: nowrap; }
  .guide-topbar nav a:nth-child(3) { display: none; }
  main { padding: 16px 12px 50px; }
  .guide-hero { min-height: 0; padding: 30px 22px; border-radius: 21px; }
  .guide-hero aside { grid-template-columns: 1fr; }
  .step-grid, .feature-grid, .role-grid, .mode-grid, .panel-map, .safety-grid, .knowledge-path, .operation-steps { grid-template-columns: 1fr; }
  .guide-section { padding: 22px 17px; border-radius: 18px; }
  .callout { display: grid; }
  footer { padding-inline: 16px; }
}
@media (max-width: 430px) {
  .guide-topbar nav a:nth-child(2) { display: none; }
  .guide-hero h1 { font-size: 36px; }
  .hero-actions a { width: 100%; justify-content: center; }
  .section-heading > span { width: 40px; height: 40px; }
  .guide-index { padding: 10px; border-radius: 14px; }
  .guide-index a { min-height: 42px; display: inline-flex; align-items: center; }
  .feature-grid article, .role-grid article, .knowledge-path article { padding: 18px; }
}
@media (prefers-reduced-motion: reduce) {
  html { scroll-behavior: auto; }
  * { transition: none !important; }
}