:root { --gutter: clamp(22px, 5vw, 80px); --ink: #181818; --base: #fff; --muted: #686868; --line: #dedede; --sans: -apple-system, BlinkMacSystemFont, "PingFang SC", "Microsoft YaHei", sans-serif; }
* { box-sizing: border-box; }
html { scroll-behavior: smooth; }
body { margin: 0; font-family: var(--sans); color: var(--ink); background: var(--base); -webkit-font-smoothing: antialiased; }
body.modal-open { overflow: hidden; }
button, a { -webkit-tap-highlight-color: transparent; }
a { color: inherit; text-decoration: none; }
button { font: inherit; color: inherit; cursor: pointer; border: 0; background: none; }
img { display: block; max-width: 100%; height: auto; }
/* Bound horizontal reveal transforms to their full-size artwork frames. */
.color-art, .white-art { overflow-x: clip; }
h1,h2,h3,p,figure { margin: 0; }
[hidden] { display: none !important; }
:focus-visible { outline: 2px solid currentColor; outline-offset: 5px; }
.container { width: min(calc(100% - var(--gutter) * 2), 1320px); margin-inline: auto; }
.eyebrow { font: 10px/1.5 ui-monospace, SFMono-Regular, Consolas, monospace; letter-spacing: .12em; }
.skip-link { position: fixed; top: -100px; left: 20px; z-index: 80; background: #fff; color: #111; padding: 12px 18px; }
.skip-link:focus { top: 8px; }
.site-header { position: sticky; z-index: 20; background: var(--base); border-bottom: 1px solid var(--line); }
.header-inner { height: 84px; display: flex; align-items: center; justify-content: space-between; gap: 24px; }
.brand img { width: 108px; }
.desktop-nav { display: flex; gap: 36px; align-items: center; font-size: 12px; }
.desktop-nav a { padding-block: 15px; }
.desktop-nav a:hover { text-decoration: underline; text-underline-offset: 6px; }
.menu-toggle,.mobile-nav { display: none; }
.new-button { display: inline-flex; justify-content: space-between; align-items: center; gap: 36px; padding: 18px 25px; min-height: 56px; background: var(--ink); color: var(--base); border-radius: 3px; font-size: 13px; transition: transform .25s, box-shadow .25s; }
.new-button > span { font-size: 23px; line-height: 1; }
.new-button:hover { transform: translateY(-3px); box-shadow: 0 8px 22px #0002; }
.footer { border-top: 1px solid var(--line); }
.footer-top { display: flex; align-items: center; gap: 35px; padding: 38px 0; }
.footer-top p { font-size: 12px; color: var(--muted); }
.back-top { margin-left: auto; font-size: 11px; padding-block: 15px; }
.footer-bottom { display: flex; gap: 20px; align-items: center; justify-content: space-between; padding: 16px 0; border-top: 1px solid var(--line); font-size: 10px; color: var(--muted); }
.footer-bottom button { min-height: 44px; text-decoration: underline; text-underline-offset: 4px; font-size: inherit; }
dialog { width: min(480px, calc(100% - 32px)); max-height: calc(100svh - 32px); border: 1px solid #ddd; padding: 44px 36px 28px; background: #fff; color: #181818; overflow: auto; }
dialog::backdrop { background: #0009; }
.dialog-close { position: absolute; right: 8px; top: 8px; width: 44px; height: 44px; font-size: 28px; }
dialog h2 { font-size: 32px; line-height: 1.4; font-weight: 500; letter-spacing: -.03em; margin-top: 24px; }
dialog p { font-size: 13px; color: #555; line-height: 1.8; margin-top: 20px; }
.qr-code { width: 220px; height: 220px; margin: 24px auto; border-radius: 50%; }
.dialog-status { border-top: 1px solid #ddd; padding-top: 18px; }
.download-link { display: flex; align-items: center; justify-content: space-between; border-bottom: 1px solid; margin-top: 18px; padding-block: 12px; font-size: 12px; }
.noscript-note { font-size: 12px; line-height: 1.8; padding: 20px; }
.noscript-note a { text-decoration: underline; }
@media (max-width: 767px) {
  .header-inner { height: 72px; }
  .brand img { width: 95px; }
  .desktop-nav { display: none; }
  .menu-toggle { display: flex; flex-direction: column; align-items: center; justify-content: center; gap: 6px; width: 44px; height: 44px; }
  .menu-toggle span { width: 24px; height: 1px; background: currentColor; transition: transform .2s; }
  .menu-toggle[aria-expanded=true] span:first-child { transform: translateY(3.5px) rotate(45deg); }
  .menu-toggle[aria-expanded=true] span:last-child { transform: translateY(-3.5px) rotate(-45deg); }
  .mobile-nav { display: grid; position: absolute; inset: 100% 0 auto; padding: 8px var(--gutter) 18px; background: var(--base); border-bottom: 1px solid var(--line); }
  .mobile-nav a { display: flex; align-items: center; min-height: 52px; border-bottom: 1px solid var(--line); font-size: 13px; }
  .eyebrow { font-size: 8px; letter-spacing: .09em; }
  .footer-top { flex-wrap: wrap; gap: 22px; padding: 28px 0; }
  .footer-top p { font-size: 10px; }
  .back-top { font-size: 10px; }
  .footer-bottom { flex-wrap: wrap; gap: 8px 20px; font-size: 9px; }
  dialog { padding: 44px 24px 24px; }
  dialog h2 { font-size: 28px; }
  .qr-code { width: 200px; height: 200px; }
}
@media print { .edition-bar,.site-header,.new-button,dialog,.footer-bottom button { display:none!important; } }