:root {
  color-scheme: dark;
  --bg: #08090d;
  --surface: #11131a;
  --line: #2b2f3a;
  --text: #f4f0e8;
  --muted: #a9a8ad;
  --blue: #233979;
  --accent: #a65a98;
  --accent-2: #e6b36a;
  --camp-secondary: #233979;
  --shared-blue: #233979;
  --max: 1120px;
}

* { box-sizing: border-box; }
html { scroll-behavior: smooth; }
body {
  margin: 0;
  background: radial-gradient(circle at 82% 8%, color-mix(in srgb, var(--camp-secondary) 32%, transparent), transparent 32%), var(--bg);
  color: var(--text);
  font-family: "Noto Sans SC", "HarmonyOS Sans SC", "Microsoft YaHei", sans-serif;
  line-height: 1.75;
}
a { color: inherit; }
img { display: block; max-width: 100%; }
button, a { -webkit-tap-highlight-color: transparent; }
.page-shell { width: min(var(--max), calc(100% - 40px)); margin-inline: auto; }
.persona-nav {
  display: flex;
  justify-content: space-between;
  align-items: center;
  padding: 22px 0;
  font: 700 .78rem/1.4 ui-monospace, SFMono-Regular, Consolas, monospace;
  letter-spacing: .12em;
}
.persona-nav a { text-decoration: none; }
.persona-hero {
  display: grid;
  grid-template-columns: minmax(0, 1fr) minmax(360px, .82fr);
  gap: 56px;
  align-items: center;
  padding: 44px 0 72px;
}
.hero-code {
  color: var(--accent-2);
  font: 800 .78rem/1.4 ui-monospace, SFMono-Regular, Consolas, monospace;
  letter-spacing: .22em;
}
.persona-hero h1 { font-size: clamp(3.2rem, 7vw, 6.4rem); line-height: .95; margin: 18px 0; letter-spacing: -.055em; }
.persona-hero h1 span { display: block; color: var(--accent); }
.hero-lede { max-width: 36rem; color: #d7d2c9; font-size: 1.22rem; }
.hero-actions, .page-actions { display: flex; flex-wrap: wrap; gap: 12px; margin-top: 28px; }
.button {
  border: 1px solid var(--line);
  border-radius: 999px;
  background: var(--surface);
  color: var(--text);
  padding: 12px 18px;
  text-decoration: none;
  font: inherit;
  cursor: pointer;
}
.button.primary { border-color: var(--accent); background: var(--accent); color: #fff; }
.button:focus-visible, .toc a:focus-visible, .persona-nav a:focus-visible { outline: 3px solid var(--accent-2); outline-offset: 4px; }
.portrait-frame {
  position: relative;
  overflow: hidden;
  border: 1px solid var(--line);
  border-color: color-mix(in srgb, var(--accent) 55%, var(--line));
  border-radius: 24px;
  background: #0f1118;
  box-shadow: 0 30px 90px rgba(0, 0, 0, .35);
}
.portrait-frame::after {
  content: "";
  position: absolute;
  inset: auto 0 0;
  height: 28%;
  background: linear-gradient(transparent, rgba(8, 9, 13, .55));
  pointer-events: none;
}
.portrait-frame img { width: 100%; aspect-ratio: 1; object-fit: cover; }
.content-grid { display: grid; grid-template-columns: 220px minmax(0, 1fr); gap: 44px; padding: 32px 0 92px; }
.toc { position: sticky; top: 20px; align-self: start; border-left: 1px solid var(--line); padding-left: 18px; }
.toc a { display: block; margin: 9px 0; color: var(--muted); text-decoration: none; font-size: .84rem; }
.story section { padding: 38px 0; border-top: 1px solid var(--line); scroll-margin-top: 16px; }
.story h2 { margin: 0 0 18px; font-size: clamp(1.7rem, 3vw, 2.5rem); line-height: 1.2; letter-spacing: -.025em; }
.story p { color: #cfccd0; font-size: 1rem; }
.feature-grid { display: grid; grid-template-columns: repeat(2, minmax(0, 1fr)); gap: 14px; }
.feature {
  border: 1px solid var(--line);
  border-radius: 18px;
  background: var(--surface);
  background: linear-gradient(135deg, color-mix(in srgb, var(--accent) 14%, var(--surface)), var(--surface));
  padding: 20px;
}
.feature b { display: block; margin-bottom: 8px; }
.steps { display: grid; gap: 12px; padding: 0; counter-reset: step; }
.steps li { list-style: none; border: 1px solid var(--line); border-radius: 16px; background: var(--surface); padding: 16px 18px; }
.steps li::before { margin-right: 12px; color: var(--accent-2); font-weight: 800; counter-increment: step; content: "0" counter(step); }
.quote { margin: 28px 0 0; border-left: 3px solid var(--accent); background: var(--surface); padding: 18px 22px; font-size: 1.12rem; }
.related {
  margin-bottom: 88px;
  border: 1px solid var(--line);
  border-radius: 22px;
  background: var(--surface);
  background: linear-gradient(130deg, var(--surface), color-mix(in srgb, var(--accent) 12%, var(--surface)));
  padding: 30px;
}
.related h2 { margin: 0; }
.related p { color: var(--muted); }
.wechat-share-tip { display: none; margin-top: 12px; color: var(--accent-2); font-size: .85rem; }
.wechat .wechat-share-tip { display: block; }
.site-footer { border-top: 1px solid var(--line); padding: 28px 0 44px; color: var(--muted); font-size: .76rem; }
@media (max-width: 760px) {
  .page-shell { width: min(calc(100% - 28px), var(--max)); }
  .persona-nav { gap: 20px; }
  .persona-nav span { text-align: right; }
  .persona-hero { grid-template-columns: 1fr; gap: 28px; padding: 24px 0 52px; }
  .persona-hero h1 { font-size: clamp(3rem, 15vw, 5rem); }
  .portrait-frame { order: -1; }
  .content-grid { grid-template-columns: 1fr; padding-top: 0; }
  .toc { position: static; display: flex; gap: 16px; overflow: auto; border-left: 0; border-bottom: 1px solid var(--line); padding: 0 0 12px; }
  .toc a { white-space: nowrap; }
  .feature-grid { grid-template-columns: 1fr; }
  .hero-actions .button, .page-actions .button { flex: 1; text-align: center; }
  .story section { padding: 30px 0; }
}

@media (prefers-reduced-motion: reduce) {
  html { scroll-behavior: auto; }
  * { animation: none !important; transition: none !important; }
}