:root {
  color-scheme: light;
  --background: #fffaf6;
  --surface: #ffffff;
  --text: #483e3a;
  --muted: #75615f;
  --accent: #ad3d61;
  --line: #edd9d7;
}
* { box-sizing: border-box; }
html { scroll-behavior: smooth; scroll-padding-top: 86px; }
body { margin: 0; background: radial-gradient(ellipse at 90% 10%, #ffe0e9 0, transparent 42%), linear-gradient(180deg, #fffaf6 65%, #f2f7e8); color: var(--text); font-family: -apple-system, BlinkMacSystemFont, "Segoe UI", "PingFang SC", "Microsoft YaHei", sans-serif; font-size: 18px; line-height: 1.8; }
button, a { -webkit-tap-highlight-color: transparent; touch-action: manipulation; }
button { font: inherit; cursor: pointer; }
a { color: inherit; text-decoration: none; }
a:focus-visible, button:focus-visible, [tabindex]:focus-visible { outline: 3px solid #a43c65; outline-offset: 5px; }
button:disabled { cursor: default; opacity: .4; }
::selection { background: #ffd3df; }
[hidden] { display: none !important; }
.container { width: min(1120px, calc(100% - 80px)); margin-inline: auto; position: relative; }
.skip-link { position: absolute; top: -100px; left: 1rem; padding: .6rem 1rem; background: #fff; z-index: 1001; }
.skip-link:focus { top: 1rem; }
.eyebrow { display: flex; align-items: center; gap: .65rem; margin: 0 0 1rem; color: #6a7949; font-size: 1.05rem; font-weight: 650; }
.eyebrow::before { content: ""; width: 8px; height: 8px; border-radius: 50%; background: #94bec6; }
h1 { margin: 0; font-size: clamp(2.65rem, 4.5vw, 4rem); line-height: 1.35; letter-spacing: .02em; font-weight: 800; }
h1 span { color: var(--accent); }
.intro { max-width: 33rem; color: var(--muted); margin: 1.3rem 0 1.6rem; }
.footer { display: flex; flex-wrap: wrap; justify-content: space-between; align-items: center; gap: 1.2rem 2rem; padding: 2.2rem 0 1.2rem; color: var(--muted); font-size: 1rem; }
.footer-info { display: flex; flex-direction: column; gap: .35rem; }
.footer-info p { margin: 0; line-height: 1.6; }
.footer-author { font-size: 0.92rem; color: #8c7572; }
.footer-author strong { font-weight: 700; color: #5a4b48; }
.footer-sep { margin-inline: .35em; opacity: .5; }
@media (max-width: 900px) {
  .container { width: calc(100% - 48px); }
}
@media (max-width: 640px) {
  html { scroll-padding-top: 70px; }
  .container { width: calc(100% - 28px); }
  h1 { font-size: clamp(2.2rem, 8.8vw, 3.3rem); }
  .intro { margin: 1.1rem 0 1.5rem; }
  .footer { flex-direction: column; align-items: flex-start; gap: .75rem; padding-bottom: 1.5rem; }
}
@media (max-width: 360px) {
  .container { width: calc(100% - 20px); }
}
@media (prefers-reduced-motion: reduce) {
  html { scroll-behavior: auto; }
  *, *::before, *::after { transition: none !important; }
}