:root {
  --ink: #202d35;
  --muted: #708087;
  --line: #d9e0df;
  --paper: #f5f7f4;
  --white: #ffffff;
  --coral: #e26e58;
  --coral-soft: #f8e2dc;
  --mint: #398e81;
  --mint-soft: #dcefe9;
  --blue: #5e7fa7;
  --blue-soft: #e5edf7;
  --yellow: #a87a28;
  --yellow-soft: #f8efcf;
}

* { box-sizing: border-box; }
html { scroll-behavior: smooth; background: var(--paper); }
body { margin: 0; color: var(--ink); background: var(--paper); font-family: "Noto Sans SC", "Microsoft YaHei", system-ui, sans-serif; font-size: 16px; line-height: 1.6; }
a { color: inherit; }
.site-shell, .site-footer { width: min(1160px, calc(100% - 64px)); margin: 0 auto; }
.topbar { display: flex; align-items: center; justify-content: space-between; min-height: 82px; border-bottom: 1px solid var(--line); }
.brand { display: inline-flex; align-items: center; gap: 11px; color: var(--ink); text-decoration: none; }
.brand-copy { color: inherit; text-decoration: none; }
.brand-mark { display: grid; width: 34px; height: 34px; padding: 0; place-items: center; border: 1px solid var(--ink); border-radius: 50%; color: var(--coral); background: transparent; font: 700 17px Georgia, serif; cursor: pointer; }
.brand-mark:hover, .brand-mark:focus-visible { outline: 2px solid var(--mint); outline-offset: 3px; }
.brand strong, .brand small { display: block; line-height: 1.15; }
.brand strong { font-family: Georgia, "Noto Serif SC", serif; font-size: 17px; font-weight: 600; }
.brand small { margin-top: 3px; color: var(--muted); font: 10px ui-monospace, monospace; letter-spacing: 0; }
.topnav { display: flex; gap: 28px; color: var(--muted); font-size: 14px; }
.topnav a { text-underline-offset: 4px; text-decoration-color: transparent; transition: color 160ms ease, text-decoration-color 160ms ease; }
.topnav a:hover, .topnav a:focus-visible { color: var(--ink); text-decoration-color: var(--coral); }
.intro { display: grid; grid-template-columns: 1fr 180px; align-items: end; gap: 40px; min-height: 448px; padding: 86px 0 74px; border-bottom: 1px solid var(--line); }
.intro-copy { max-width: 760px; }
.eyebrow, .site-label { margin: 0; color: var(--mint); font: 700 11px ui-monospace, "Cascadia Code", monospace; letter-spacing: .08em; }
h1, h2, h3, p { margin-top: 0; }
h1 { max-width: 700px; margin: 20px 0 22px; font: 500 clamp(48px, 7vw, 82px)/1.08 Georgia, "Noto Serif SC", serif; letter-spacing: 0; }
h1 em { color: var(--coral); font-style: normal; }
.lede { margin-bottom: 30px; color: var(--muted); font-size: 18px; }
.intro-link, .text-link { color: var(--ink); font-weight: 700; text-underline-offset: 5px; }
.intro-link { display: inline-flex; align-items: center; gap: 9px; color: var(--coral); text-decoration: none; }
.intro-link span { font-size: 18px; transition: transform 160ms ease; }
.intro-link:hover span { transform: translateY(3px); }
.intro-note { align-self: start; padding: 18px 0 0; border-top: 2px solid var(--coral); }
.note-dot { display: block; width: 9px; height: 9px; margin-bottom: 22px; border-radius: 50%; background: var(--mint); }
.intro-note p { margin-bottom: 9px; color: var(--muted); font-size: 13px; }
.intro-note strong { display: block; font: 500 50px/1 Georgia, serif; }
.intro-note small { color: var(--muted); font-size: 12px; }
.library, .updates { padding: 82px 0; }
.updates { border-top: 1px solid var(--line); }
.section-header { display: flex; align-items: end; justify-content: space-between; gap: 24px; margin-bottom: 28px; }
.section-header h2 { margin: 10px 0 0; font: 500 36px/1.2 Georgia, "Noto Serif SC", serif; }
.section-summary { margin: 0 0 3px; color: var(--muted); font-size: 13px; }
.library-tools { display: flex; align-items: center; justify-content: space-between; gap: 24px; margin-bottom: 26px; }
.search-box { display: flex; align-items: center; width: min(100%, 380px); min-height: 44px; padding: 0 11px; border: 1px solid var(--line); border-radius: 5px; background: var(--white); }
.search-icon { margin-right: 8px; color: var(--mint); font-size: 25px; line-height: 0; transform: rotate(-20deg); }
.search-box input { width: 100%; min-width: 0; border: 0; outline: 0; color: var(--ink); background: transparent; font: inherit; font-size: 14px; }
.search-box:focus-within { border-color: var(--mint); outline: 2px solid var(--mint-soft); }
kbd { padding: 2px 6px; border: 1px solid var(--line); border-radius: 3px; color: var(--muted); background: var(--paper); font: 11px ui-monospace, monospace; }
.filter-list { display: flex; flex-wrap: wrap; justify-content: flex-end; gap: 8px; }
.filter-button { min-height: 34px; padding: 5px 13px; border: 1px solid transparent; border-radius: 99px; color: var(--muted); background: transparent; font: inherit; font-size: 13px; cursor: pointer; }
.filter-button:hover, .filter-button:focus-visible { border-color: var(--line); color: var(--ink); }
.filter-button.is-active { border-color: var(--ink); color: var(--white); background: var(--ink); }
.subfilter-list { display: flex; flex-wrap: wrap; gap: 8px; margin: -6px 0 26px; }
.subfilter-list[hidden] { display: none; }
.subfilter-button { min-height: 31px; padding: 4px 12px; border: 1px solid var(--line); border-radius: 99px; color: var(--muted); background: var(--white); font: inherit; font-size: 12px; cursor: pointer; }
.subfilter-button:hover, .subfilter-button:focus-visible { border-color: var(--mint); color: var(--ink); }
.subfilter-button.is-active { border-color: var(--mint); color: var(--ink); background: var(--mint-soft); }
.site-grid { display: grid; grid-template-columns: repeat(3, minmax(0, 1fr)); gap: 15px; }
.site-card { min-height: 218px; display: flex; flex-direction: column; padding: 21px; border: 1px solid var(--ink); border-radius: 5px; color: var(--ink); text-align: left; text-decoration: none; transition: transform 160ms ease, background-color 160ms ease, box-shadow 160ms ease; }
.site-card[hidden] { display: none; }
a.site-card:hover, a.site-card:focus-visible, button.site-card:hover, button.site-card:focus-visible { transform: translateY(-4px); outline: 2px solid var(--mint); outline-offset: 3px; box-shadow: 5px 5px 0 var(--line); }
button.site-card { width: 100%; background: transparent; font: inherit; cursor: pointer; }
.accent-coral:hover, .accent-coral:focus-visible { background: var(--coral-soft); }
.accent-mint:hover, .accent-mint:focus-visible { background: var(--mint-soft); }
.accent-blue:hover, .accent-blue:focus-visible { background: var(--blue-soft); }
.accent-yellow:hover, .accent-yellow:focus-visible { background: var(--yellow-soft); }
.is-featured { grid-column: span 1; }
.is-disabled { border-color: var(--line); color: var(--muted); }
.card-top, .card-footer { display: flex; align-items: center; justify-content: space-between; gap: 12px; }
.status { color: var(--muted); font-size: 12px; }
.site-card h3 { margin: auto 0 8px; font: 500 27px/1.2 Georgia, "Noto Serif SC", serif; }
.site-card p { margin: 0; color: var(--muted); font-size: 14px; }
.card-footer { margin-top: 18px; color: var(--muted); font-size: 12px; }
.card-arrow { color: var(--ink); font-size: 20px; line-height: 1; }
.sr-only { position: absolute; overflow: hidden; width: 1px; height: 1px; clip: rect(0, 0, 0, 0); white-space: nowrap; }
.empty-results { grid-column: 1 / -1; margin: 30px 0; color: var(--muted); text-align: center; }
.update-list { display: grid; grid-template-columns: repeat(3, minmax(0, 1fr)); gap: 15px; }
.update-card { min-height: 150px; padding: 19px; border-top: 3px solid var(--coral); background: var(--white); text-decoration: none; }
.update-card:hover, .update-card:focus-visible { outline: 2px solid var(--mint); outline-offset: 3px; }
.update-card time { display: block; margin-bottom: 15px; color: var(--muted); font: 11px ui-monospace, monospace; }
.update-card h3 { margin: 0; font-size: 16px; font-weight: 700; }
.loading, .empty { grid-column: 1 / -1; margin: 0; color: var(--muted); }
.site-footer { display: flex; justify-content: space-between; gap: 20px; padding: 25px 0 35px; border-top: 1px solid var(--line); color: var(--muted); font-size: 13px; }
.site-footer p { margin: 0; }
.site-footer a { text-underline-offset: 4px; }
.secret-dialog { width: min(100% - 32px, 460px); margin: auto; padding: 0; border: 1px solid var(--ink); border-radius: 5px; color: var(--ink); background: var(--paper); }
.secret-dialog::backdrop { background: rgba(32, 45, 53, .46); }
.secret-dialog-content { padding: 30px; }
.secret-dialog-heading { margin-bottom: 24px; }
.secret-dialog-heading h2 { margin: 9px 0 0; font: 500 30px/1.2 Georgia, "Noto Serif SC", serif; }
.secret-dialog-heading p:last-child { margin: 9px 0 0; color: var(--muted); }
.secret-link-list { border-top: 1px solid var(--line); }
.secret-link { display: flex; align-items: center; justify-content: space-between; gap: 20px; padding: 17px 0; border-bottom: 1px solid var(--line); color: var(--ink); text-decoration: none; }
.secret-link:hover, .secret-link:focus-visible { color: var(--coral); outline: 0; }
.secret-link span:first-child { display: grid; gap: 3px; }
.secret-link small { color: var(--mint); font: 700 11px ui-monospace, monospace; letter-spacing: .08em; }
.secret-link strong { font-family: Georgia, "Noto Serif SC", serif; font-size: 21px; font-weight: 500; }
.secret-link em { color: var(--muted); font-size: 13px; font-style: normal; }
.secret-close { min-height: 38px; margin-top: 23px; padding: 7px 15px; border: 1px solid var(--line); border-radius: 4px; color: var(--ink); background: transparent; font: inherit; font-weight: 700; cursor: pointer; }
.secret-close:hover, .secret-close:focus-visible { border-color: var(--mint); outline: 2px solid var(--mint-soft); outline-offset: 2px; }
@media (max-width: 820px) {
  .site-shell, .site-footer { width: min(100% - 40px, 620px); }
  .topnav { gap: 16px; }
  .intro { grid-template-columns: 1fr 130px; gap: 24px; min-height: 410px; padding: 70px 0 60px; }
  .intro-note strong { font-size: 42px; }
  .library-tools { align-items: flex-start; flex-direction: column; gap: 16px; }
  .search-box { width: 100%; }
  .filter-list { justify-content: flex-start; }
  .site-grid { grid-template-columns: repeat(2, minmax(0, 1fr)); }
  .is-featured { grid-column: span 1; }
}
@media (max-width: 560px) {
  .site-shell, .site-footer { width: min(100% - 32px, 500px); }
  .topbar { min-height: 70px; }
  .topnav a:nth-child(-n+2) { display: none; }
  .intro { display: block; min-height: 0; padding: 66px 0 58px; }
  .intro-note { display: grid; grid-template-columns: auto 1fr auto; align-items: center; gap: 9px; margin-top: 45px; padding-top: 13px; }
  .note-dot { grid-row: span 2; margin: 0 4px 0 0; }
  .intro-note p { margin: 0; }
  .intro-note strong { font-size: 32px; }
  .intro-note small { grid-column: 2 / -1; }
  .desktop-break { display: none; }
  h1 { margin-top: 16px; font-size: 50px; }
  .lede { font-size: 17px; }
  .library, .updates { padding: 58px 0; }
  .section-header { align-items: flex-start; flex-direction: column; gap: 10px; }
  .section-header h2 { font-size: 32px; }
  .site-grid, .update-list { grid-template-columns: 1fr; }
  .is-featured { grid-column: span 1; }
  .site-card { min-height: 195px; }
  .site-footer { align-items: flex-start; flex-direction: column; gap: 5px; }
}