:root {
  color-scheme: light;
  --background: #faf8f9;
  --ink: #2c293b;
  --muted: #6b6a72;
  --purple: #7155d1;
  --border: #e9e2ef;
  --lilac: #ede6f9;
  --radius: 26px;
}
* { box-sizing: border-box; }
html { scroll-behavior: smooth; scroll-padding-top: 30px; }
body { margin: 0; background: radial-gradient(ellipse 76% 640px at 100% 0%, #e8def7 0%, transparent 85%), var(--background); color: var(--ink); font: 16px/1.85 -apple-system, BlinkMacSystemFont, "PingFang SC", "Microsoft YaHei", sans-serif; }
a { color: inherit; text-underline-offset: 5px; }
a:focus-visible, summary:focus-visible { outline: 3px solid var(--purple); outline-offset: 6px; border-radius: 5px; }
.page { width: min(1160px, 100% - 96px); margin: auto; }
.skip-link { position: absolute; left: 16px; top: -100px; padding: 10px 20px; background: #fff; z-index: 2; }
.skip-link:focus { top: 12px; }
.site-header { display: flex; align-items: center; justify-content: space-between; gap: 24px; padding: 34px 0; }
.brand { display: flex; gap: 12px; align-items: center; text-decoration: none; font-size: 18px; font-weight: 650; line-height: 1.35; }
.brand small { display: block; margin-top: 4px; font-size: 11px; letter-spacing: .14em; color: var(--muted); font-weight: 400; }
.brand-mark { display: grid; place-items: center; position: relative; height: 46px; width: 46px; background: linear-gradient(145deg, #fff, #ede6f9); border: 1px solid #ffffffd9; border-radius: 16px; box-shadow: 0 4px 12px #47385c0c; color: var(--purple); font: 700 25px/1 Georgia, serif; }
.brand-mark span { position: absolute; right: 7px; bottom: 3px; color: #bc7774; }
nav { display: flex; gap: 28px; font-size: 14px; }
nav a { text-decoration: none; }
nav a:hover { color: var(--purple); }
.hero { display: grid; grid-template-columns: 1.15fr 1fr; align-items: center; gap: 30px; padding: 62px 0 88px; }
.eyebrow { display: flex; align-items: center; gap: 8px; margin: 0 0 20px; font-size: 12px; letter-spacing: .12em; color: var(--muted); }
.eyebrow > span { width: 7px; height: 7px; background: #8571af; border-radius: 50%; }
h1 { margin: 0; font-size: clamp(34px, 4.3vw, 55px); line-height: 1.44; font-weight: 600; letter-spacing: -.045em; }
h1 em { font-style: normal; color: var(--purple); }
.intro { max-width: 460px; margin: 24px 0 28px; color: var(--muted); }
.read-link { display: inline-flex; align-items: center; gap: 30px; padding: 12px 20px; text-decoration: none; color: var(--purple); font-size: 14px; border: 1px solid #fff; border-radius: 16px; background: linear-gradient(120deg, #ffffffb3, #ece4f67d); box-shadow: 0 5px 18px #44325e0a, inset 0 1px 0 #fff; backdrop-filter: blur(12px); }
.read-link span { font-size: 22px; line-height: 1; }
.companion { position: relative; display: grid; justify-items: center; margin: 0; min-width: 0; }
.companion img { z-index: 1; width: min(100%, 390px); height: auto; filter: drop-shadow(0 22px 18px #57456112); }
.companion figcaption { color: var(--muted); font-size: 12px; letter-spacing: .07em; text-align: center; }
.orbit { position: absolute; top: 40px; bottom: 38px; left: 12px; right: 12px; border: 1px solid #ffffffd9; background: radial-gradient(ellipse, #fdfbff7a, #f1eaf82b); border-radius: 48% 52% 44% 56%; transform: rotate(-14deg); }
.little-star { position: absolute; top: 38px; right: 32px; color: #ac95d5; font-size: 30px; z-index: 1; }
.section-heading { display: flex; justify-content: space-between; align-items: end; gap: 24px; margin-bottom: 28px; }
.section-heading .eyebrow, .about .eyebrow { margin-bottom: 8px; }
h2 { margin: 0; font-size: 27px; letter-spacing: -.03em; font-weight: 600; }
.section-heading > p { margin: 0 0 4px; color: var(--muted); font-size: 13px; }
.note-grid { display: grid; grid-template-columns: repeat(3, minmax(0, 1fr)); gap: 20px; align-items: start; }
.note { padding: 28px; border: 1px solid #ffffffde; border-radius: var(--radius); background: linear-gradient(130deg, #ffffffb8, #ede7f49c); box-shadow: 0 10px 32px #55446808, inset 0 1px 0 #fff; backdrop-filter: blur(16px); min-width: 0; }
.note-top { display: flex; justify-content: space-between; align-items: center; gap: 10px; }
.tag { font-size: 11px; padding: 4px 10px; border-radius: 8px; background: #e5dcf4; color: #5e478f; }
.tag.peach { background: #f5e1df; color: #815457; }
.tag.mint { background: #dfeee5; color: #486c5b; }
.note-number { font: italic 20px Georgia, serif; color: #847b90; }
h3 { margin: 24px 0 16px; font-size: 21px; line-height: 1.6; font-weight: 550; letter-spacing: -.02em; }
.note p { margin: 0; font-size: 14px; color: var(--muted); }
details { margin-top: 22px; border-top: 1px solid #dbd2e380; }
summary { display: flex; justify-content: space-between; gap: 16px; padding-top: 16px; cursor: pointer; list-style: none; color: var(--purple); font-size: 13px; }
summary::-webkit-details-marker { display: none; }
details[open] summary span { transform: rotate(45deg); }
.note-body p { padding-top: 16px; }
.about { display: grid; grid-template-columns: 1fr 2fr; gap: 50px; border-top: 1px solid var(--border); margin-top: 78px; padding: 44px 0 56px; }
.about-copy p { margin: 0 0 16px; font-size: 14px; color: var(--muted); }
.about-copy a { color: var(--purple); overflow-wrap: anywhere; }
.about-copy .site-scope { font-size: 12px; margin-bottom: 0; }
footer { display: flex; justify-content: space-between; gap: 20px; flex-wrap: wrap; border-top: 1px solid var(--border); padding: 24px 0 32px; color: var(--muted); font-size: 12px; }
footer a { text-decoration: none; }
@media (max-width: 850px) {
  .page { width: calc(100% - 48px); }
  .hero { padding-top: 36px; gap: 12px; }
  .note-grid { grid-template-columns: 1fr; }
  .note { padding: 26px; }
  h3 { margin: 18px 0 10px; }
  .about { grid-template-columns: 1fr 2fr; gap: 28px; }
}
@media (max-width: 580px) {
  .site-header { padding: 24px 0; gap: 14px; flex-wrap: wrap; }
  .brand { font-size: 16px; }
  nav { gap: 18px; font-size: 12px; }
  .hero { grid-template-columns: 1fr; padding: 36px 0 52px; gap: 14px; }
  h1 { font-size: clamp(32px, 8vw, 44px); }
  .intro { font-size: 15px; }
  .companion { width: min(310px, 100%); justify-self: center; }
  .companion img { width: 260px; max-width: 100%; }
  .little-star { top: 26px; }
  .section-heading { align-items: start; flex-direction: column; gap: 6px; }
  h2 { font-size: 25px; }
  .note { padding: 24px; }
  .about { grid-template-columns: 1fr; gap: 20px; margin-top: 48px; padding: 32px 0; }
  footer { padding-bottom: calc(24px + env(safe-area-inset-bottom)); }
}
@media (prefers-reduced-motion: reduce) { html { scroll-behavior: auto; } }