:root {
  color-scheme: light dark;
  --paper: #fff8e8;
  --ink: #352d26;
  --muted: #756553;
  --orange: #b94e17;
  --blue: #315a78;
  --line: #d9c6a9;
  --card: #fffcf4;
}
* { box-sizing: border-box; }
html { scroll-padding-top: 2rem; }
body { margin: 0; background: var(--paper); color: var(--ink); font: 1.05rem/1.85 -apple-system, BlinkMacSystemFont, "PingFang SC", "Microsoft YaHei", sans-serif; }
a { color: var(--blue); text-underline-offset: .25em; }
a:hover { text-decoration-thickness: 2px; }
a:focus-visible { outline: 3px solid var(--blue); outline-offset: 5px; border-radius: 3px; }
.site-header, main, footer, .draft { width: min(1080px, calc(100% - 48px)); margin-inline: auto; }
.site-header { padding-block: 30px; display: flex; align-items: center; justify-content: space-between; gap: 24px; border-bottom: 2px dashed var(--line); }
.brand { display: flex; align-items: center; gap: 12px; color: var(--ink); text-decoration: none; font-weight: 800; font-size: 1.4rem; }
.brand-mark { display: grid; place-items: center; width: 42px; height: 42px; border: 2px solid var(--orange); border-radius: 42% 52% 46% 49%; color: var(--orange); font-size: 1.15rem; transform: rotate(-8deg); }
nav { display: flex; flex-wrap: wrap; gap: 8px 24px; }
nav a { padding-block: 8px; color: var(--muted); text-decoration: none; font-size: .95rem; }
nav a[aria-current] { color: var(--ink); text-decoration: underline; text-decoration-color: var(--orange); text-decoration-thickness: 3px; }
.draft { margin-top: 22px; padding: 10px 16px; border-left: 3px solid var(--orange); color: var(--muted); font-size: .85rem; }
.hero { display: grid; grid-template-columns: 1.15fr 1fr; gap: 60px; align-items: center; padding-block: 66px 72px; }
.eyebrow { color: var(--muted); font-size: .9rem; letter-spacing: .06em; }
h1, h2, h3, p { margin-top: 0; }
h1 { font-size: clamp(3rem, 7vw, 5.8rem); line-height: 1.2; letter-spacing: -.04em; margin-bottom: 26px; }
h2 { font-size: 1.65rem; line-height: 1.5; margin-bottom: 16px; }
h3 { font-size: 1.2rem; line-height: 1.5; margin-bottom: 12px; }
p { margin-bottom: 18px; }
.lead { color: var(--muted); font-size: 1.15rem; }
.text-link { display: inline-block; padding-block: 10px; font-weight: 600; }
.counter-art { aspect-ratio: 1; width: min(100%, 340px); margin: auto; border: 6px solid var(--orange); border-radius: 48% 51% 46% 53%; display: flex; flex-direction: column; justify-content: center; align-items: center; color: var(--orange); transform: rotate(-5deg); box-shadow: 7px 5px 0 -3px var(--paper), 8px 6px 0 0 var(--orange); }
.counter-art strong { font-size: clamp(5.5rem, 13vw, 8rem); line-height: 1.4; font-weight: 800; }
.counter-art span { font-size: 1rem; }
.intro { border-top: 2px dashed var(--line); padding-block: 48px 40px; }
.intro > p { max-width: 640px; color: var(--muted); }
.features { display: grid; grid-template-columns: repeat(3, 1fr); gap: 32px; margin-top: 36px; }
.features p { color: var(--muted); font-size: .95rem; }
.number { display: block; color: var(--orange); font-size: 1.35rem; font-weight: 700; margin-bottom: 12px; }
.privacy-note { max-width: 800px; padding: 30px 36px; margin-block: 10px 64px; border: 2px solid var(--line); border-radius: 16px 8px 20px 10px; background: var(--card); }
.privacy-note p:last-child { margin-bottom: 0; }
.page-heading { padding-block: 58px 24px; }
.page-heading h1, .policy h1 { font-size: clamp(2.2rem, 5vw, 3.2rem); }
.help-grid { display: grid; grid-template-columns: 1fr 1fr; gap: 0 54px; margin-bottom: 48px; }
.help-grid section { padding-block: 26px 12px; border-top: 2px dashed var(--line); }
.help-grid h2 { font-size: 1.35rem; }
.help-grid p { color: var(--muted); }
.contact a { overflow-wrap: anywhere; }
.muted { color: var(--muted); }
.policy { max-width: 760px; margin: 54px auto 64px; }
.policy h1 { margin-bottom: 24px; }
.policy h2 { margin-top: 40px; }
.policy li { margin-bottom: 12px; }
.policy ul { padding-left: 1.4em; }
footer { display: flex; flex-wrap: wrap; gap: 12px 24px; padding-block: 26px 34px; border-top: 2px dashed var(--line); color: var(--muted); font-size: .85rem; }
footer p { flex: 1 1 240px; margin-bottom: 0; }
.skip { position: absolute; left: 16px; top: -100px; padding: 10px; background: var(--card); }
.skip:focus { top: 10px; z-index: 1; }
@media (prefers-color-scheme: dark) {
  :root { --paper: #242326; --ink: #f1e8d6; --muted: #c1b5a4; --orange: #ffac65; --blue: #9bc5e6; --line: #5d5350; --card: #2d2b2d; }
}
@media (max-width: 640px) {
  .site-header, main, footer, .draft { width: calc(100% - 36px); }
  .site-header { align-items: flex-start; gap: 10px; padding-block: 20px; }
  .brand { gap: 8px; font-size: 1.2rem; }
  .brand-mark { width: 34px; height: 34px; font-size: 1rem; }
  nav { gap: 0 12px; justify-content: flex-end; }
  nav a { font-size: .82rem; }
  .hero { gap: 30px; padding-block: 42px 48px; grid-template-columns: 1fr; }
  .counter-art { width: 220px; }
  .counter-art strong { font-size: 6rem; }
  .features, .help-grid { grid-template-columns: 1fr; gap: 12px; }
  .features { margin-top: 28px; }
  .intro { padding-top: 34px; }
  .privacy-note { padding: 24px 22px; margin-bottom: 42px; }
  .page-heading { padding-top: 38px; }
  .policy { margin-top: 38px; }
}