:root {
  --dz-paper: #e2e5e9;
  --dz-ink: #20242c;
  --dz-accent: #e8590c;
  --dz-accent-text: #a63c06;
  --dz-line: #c3c8cf;
  --dz-surface: #f7f8fa;
  --dz-muted: #4b525e;
  --dz-edge: #9aa1ab;
  --dz-r-lg: 11px;
  --dz-r-sm: 6px;
  --dz-lat: "Lucida Sans Unicode", "Lucida Grande", "Segoe UI", sans-serif;
  --dz-cjk: "PingFang SC", "Microsoft YaHei", "Noto Sans SC", sans-serif;
  --dz-gutter: 16px;
}

*, *::before, *::after { box-sizing: border-box; }

html { -webkit-text-size-adjust: 100%; text-size-adjust: 100%; }

body.dz-body {
  margin: 0;
  background: var(--dz-paper);
  color: var(--dz-ink);
  font-family: var(--dz-cjk);
  font-size: 16px;
  line-height: 1.75;
  overflow-wrap: break-word;
}

a { color: var(--dz-accent-text); text-underline-offset: 3px; text-decoration-thickness: 1px; }
a:hover { text-decoration-thickness: 2px; }
:focus-visible { outline: 3px solid var(--dz-accent); outline-offset: 2px; border-radius: 2px; }
img { max-width: 100%; height: auto; }
code { font-family: Consolas, "Lucida Console", var(--dz-lat), monospace; font-size: .92em; background: var(--dz-surface); border: 1px solid var(--dz-line); border-radius: var(--dz-r-sm); padding: .05em .35em; overflow-wrap: anywhere; }
kbd {
  display: inline-block;
  font-family: var(--dz-lat);
  font-size: .82em;
  line-height: 1.45;
  padding: .05em .5em;
  margin: 0 .08em;
  background: var(--dz-surface);
  color: var(--dz-ink);
  border: 1px solid var(--dz-line);
  border-bottom: 3px solid var(--dz-edge);
  border-radius: var(--dz-r-sm);
  white-space: nowrap;
  vertical-align: .08em;
}
.dz-lat { font-family: var(--dz-lat); }

.dz-skip {
  position: absolute; left: 12px; top: -60px; z-index: 10;
  background: var(--dz-ink); color: var(--dz-surface);
  padding: 10px 16px; border-radius: var(--dz-r-sm);
  min-height: 44px; display: inline-flex; align-items: center;
}
.dz-skip:focus { top: 12px; }

.dz-wrap { max-width: 1180px; margin: 0 auto; padding: 0 var(--dz-gutter); }
.dz-main { display: block; outline: none; }

/* 页头 */
.dz-top { border-bottom: 1px solid var(--dz-line); background: var(--dz-paper); }
.dz-top-row { display: flex; align-items: center; justify-content: space-between; gap: 12px; min-height: 64px; flex-wrap: wrap; }
.dz-brand { display: inline-flex; align-items: center; min-height: 44px; color: var(--dz-ink); text-decoration: none; }
.dz-mark { display: block; width: 128px; height: 34px; }
.dz-nav { display: flex; gap: 4px; flex-wrap: wrap; }
.dz-nav-a {
  display: inline-flex; align-items: center; min-height: 44px; padding: 0 12px;
  color: var(--dz-ink); text-decoration: none; border-radius: var(--dz-r-sm);
  border: 1px solid transparent; font-size: 15px;
}
.dz-nav-a:hover { border-color: var(--dz-line); background: var(--dz-surface); }
.dz-nav-a[aria-current="page"] { background: var(--dz-surface); border-color: var(--dz-line); border-bottom: 3px solid var(--dz-accent); }

/* 首页首屏 */
.dz-hero { padding: 44px 0 36px; }
.dz-hero-grid {
  display: grid;
  grid-template-columns: minmax(0, 1.2fr) minmax(0, 1fr);
  grid-template-areas: "head box" "pick box";
  column-gap: 56px; row-gap: 22px; align-items: start;
}
.dz-hero-head { grid-area: head; }
.dz-pick { grid-area: pick; }
.dz-codebox-home { grid-area: box; }
.dz-h1 {
  margin: 0; font-size: 63px; line-height: 1.12; font-weight: 800; letter-spacing: -.01em;
  line-break: strict;
}
.dz-h1-part { display: inline-block; }

.dz-pick { border-left: 4px solid var(--dz-accent); padding: 2px 0 2px 16px; max-width: 34em; }
.dz-pick-tag { margin: 0; font-size: 14px; color: var(--dz-muted); }
.dz-pick-title { margin: 2px 0 4px; font-size: 19px; font-weight: 700; line-height: 1.5; }
.dz-pick-title a { color: var(--dz-ink); }
.dz-pick-title a:hover { color: var(--dz-accent-text); }
.dz-pick-why { margin: 0; color: var(--dz-muted); font-size: 15px; line-height: 1.65; }

/* 码卡：键帽 */
.dz-codebox {
  background: var(--dz-surface);
  border: 1px solid var(--dz-line);
  border-bottom-width: 4px;
  border-radius: var(--dz-r-lg);
  padding: 22px 22px 18px;
}
.dz-codebox-label { margin: 0 0 12px; font-size: 15px; color: var(--dz-muted); }
.dz-keys { display: grid; grid-template-columns: repeat(7, minmax(0, 1fr)); gap: 8px; max-width: 460px; }
.dz-key {
  display: flex; align-items: center; justify-content: center;
  aspect-ratio: 1 / 1.06;
  font-family: var(--dz-lat); font-weight: 700; font-size: 28px; line-height: 1;
  background: var(--dz-paper);
  color: var(--dz-ink);
  border: 1px solid var(--dz-line);
  border-bottom: 7px solid var(--dz-edge);
  border-radius: var(--dz-r-sm);
}
.dz-code-row { display: flex; align-items: center; justify-content: space-between; gap: 12px; flex-wrap: wrap; margin: 16px 0 10px; }
.dz-code-plain { margin: 0; font-size: 15px; }
.dz-code-text { font-family: var(--dz-lat); font-size: 17px; font-weight: 700; letter-spacing: .04em; background: none; border: 0; padding: 0; }
.dz-copykey {
  appearance: none; cursor: pointer;
  min-height: 48px; min-width: 9.5em; padding: 0 20px;
  font: 700 16px/1 var(--dz-cjk);
  color: var(--dz-surface);
  background: var(--dz-ink);
  border: 0;
  border-bottom: 6px solid var(--dz-accent);
  border-radius: var(--dz-r-sm);
  transition: transform .09s ease-out, border-bottom-width .09s ease-out;
}
.dz-copykey:hover { background: #2d323c; }
.dz-copykey:active, .dz-copykey.dz-pressed { transform: translateY(4px); border-bottom-width: 2px; }
.dz-gain { margin: 6px 0 2px; font-size: 18px; font-weight: 700; line-height: 1.5; }
.dz-star { color: var(--dz-accent-text); font-weight: 700; }
sup.dz-star { font-size: .75em; }
.dz-fn { margin: 0; font-size: 13px; line-height: 1.6; color: var(--dz-muted); }
.dz-go-row { margin: 14px 0 6px; }
.dz-go {
  display: inline-flex; align-items: center; min-height: 48px; padding: 0 20px;
  font-weight: 700; color: var(--dz-ink); text-decoration: none;
  background: var(--dz-paper); border: 1px solid var(--dz-line); border-bottom: 6px solid var(--dz-accent);
  border-radius: var(--dz-r-sm);
}
.dz-go:hover { background: #d5d9df; }
.dz-go-note { margin: 0; font-size: 13px; line-height: 1.6; color: var(--dz-muted); }

/* 首页下半部分 */
.dz-home-body { display: grid; grid-template-columns: minmax(0, 1.5fr) minmax(0, 1fr); gap: 56px; padding-top: 12px; padding-bottom: 64px; border-top: 1px solid var(--dz-line); }
.dz-home-text { max-width: 38em; }
.dz-home-text h2, .dz-shelf h2 { font-size: 22px; line-height: 1.4; margin: 32px 0 10px; }
.dz-home-text h2::before {
  content: ""; display: inline-block; width: .7em; height: .7em; margin-right: .45em;
  background: var(--dz-surface); border: 1px solid var(--dz-line); border-bottom: 3px solid var(--dz-accent); border-radius: 3px;
  vertical-align: .02em;
}
.dz-home-text p, .dz-home-text li { font-size: 16px; }
.dz-home-text ul { padding-left: 1.2em; }
.dz-shelf-list { list-style: none; margin: 0; padding: 0; }
.dz-shelf-item { background: var(--dz-surface); border: 1px solid var(--dz-line); border-radius: var(--dz-r-lg); padding: 16px 18px; }
.dz-shelf-a { font-weight: 700; font-size: 17px; color: var(--dz-ink); }
.dz-shelf-desc { margin: 6px 0; font-size: 15px; color: var(--dz-muted); }
.dz-shelf-meta { margin: 0; font-size: 13px; color: var(--dz-muted); }
.dz-shelf-more a { display: inline-flex; align-items: center; min-height: 44px; }

/* 面包屑 */
.dz-crumbs { display: flex; flex-wrap: wrap; align-items: center; gap: 0 6px; padding-top: 14px; font-size: 14px; color: var(--dz-muted); }
.dz-crumbs a { display: inline-flex; align-items: center; min-height: 44px; padding: 0 2px; color: var(--dz-muted); }
.dz-crumbs-sep { color: var(--dz-edge); }
.dz-crumbs-now { min-height: 44px; display: inline-flex; align-items: center; }

/* 文章页 */
.dz-art-wrap { max-width: 720px; }
.dz-art-h1 .dz-h1-part, .dz-page-h1 .dz-h1-part { display: inline-block; }
.dz-nw { white-space: nowrap; }
.dz-art-head { margin: 8px 0 20px; }
.dz-art-h1 { font-size: 40px; line-height: 1.3; margin: 0 0 12px; line-break: strict; }
.dz-byline { margin: 0; font-size: 14px; color: var(--dz-muted); }
.dz-cover { margin: 0 0 24px; }
.dz-cover img { display: block; width: 100%; border-radius: var(--dz-r-lg); border: 1px solid var(--dz-line); }
.dz-cover-cap { font-size: 14px; color: var(--dz-muted); margin-top: 8px; }
.dz-toc { background: var(--dz-surface); border: 1px solid var(--dz-line); border-radius: var(--dz-r-lg); padding: 14px 20px; margin: 0 0 28px; max-width: 38em; }
.dz-toc-h { margin: 0 0 4px; font-weight: 700; }
.dz-toc-list ul { margin: 6px 0 0; padding: 0; list-style: none; }
.dz-toc-list li { margin: 0; }
.dz-toc-list a { display: block; min-height: 44px; box-sizing: border-box; padding: 10px 0 10px 14px; border-left: 3px solid var(--dz-line); color: var(--dz-ink); text-decoration: none; line-height: 1.55; }
.dz-toc-list a:hover { border-left-color: var(--dz-accent); text-decoration: underline; }

.dz-prose { max-width: 38em; font-size: 17px; line-height: 1.85; }
.dz-prose h2 { font-size: 26px; line-height: 1.4; margin: 48px 0 14px; padding-top: 14px; border-top: 3px solid var(--dz-ink); scroll-margin-top: 16px; }
.dz-prose h3 { font-size: 20px; line-height: 1.45; margin: 30px 0 8px; scroll-margin-top: 16px; }
.dz-prose p { margin: 0 0 1em; }
.dz-prose ol, .dz-prose ul { padding-left: 1.4em; margin: 0 0 1.1em; }
.dz-prose li { margin: .3em 0; }
.dz-prose .dz-codebox { margin: 24px 0 28px; max-width: 34em; }

.dz-shot { margin: 22px 0 26px; background: var(--dz-ink); border-radius: var(--dz-r-lg); padding: 12px; }
.dz-shot img { display: block; margin: 0 auto; border-radius: var(--dz-r-sm); }
.dz-shot-cap { color: var(--dz-paper); font-size: 14px; line-height: 1.6; margin-top: 10px; padding: 0 4px; }

.dz-tablewrap { overflow-x: auto; margin: 16px 0 22px; border: 1px solid var(--dz-line); border-radius: var(--dz-r-lg); background: var(--dz-surface); }
.dz-table { border-collapse: collapse; width: 100%; min-width: 30em; font-size: 15px; }
.dz-table th, .dz-table td { text-align: left; padding: 10px 14px; border-bottom: 1px solid var(--dz-line); vertical-align: top; }
.dz-table th { background: var(--dz-paper); }
.dz-table tr:last-child td { border-bottom: 0; }
.dz-al-center { text-align: center; }
.dz-al-right { text-align: right; }

.dz-faq { max-width: 38em; margin-top: 48px; }
.dz-faq h2 { font-size: 26px; line-height: 1.4; margin: 0 0 12px; padding-top: 14px; border-top: 3px solid var(--dz-ink); }
.dz-faq-list { margin: 0; }
.dz-faq-item { border-bottom: 1px solid var(--dz-line); padding: 14px 0; }
.dz-faq-q { font-weight: 700; font-size: 17px; }
.dz-faq-a { margin: 6px 0 0; font-size: 16px; line-height: 1.8; }

.dz-after { max-width: 38em; margin: 40px 0 64px; padding: 18px 20px; background: var(--dz-surface); border: 1px solid var(--dz-line); border-radius: var(--dz-r-lg); font-size: 15px; }
.dz-after p { margin: 0 0 8px; }
.dz-after p:last-child { margin-bottom: 0; }
.dz-after-label { color: var(--dz-muted); }
.dz-chip { display: inline-block; margin: 4px 6px 4px 0; padding: 2px 10px; font-size: 14px; border: 1px solid var(--dz-line); border-bottom-width: 3px; border-radius: var(--dz-r-sm); background: var(--dz-paper); color: var(--dz-ink); }

/* 列表页、站务页 */
.dz-page-h1 { font-size: 40px; line-height: 1.3; margin: 8px 0 12px; line-break: strict; }
.dz-list { padding-bottom: 64px; }
.dz-list-head { max-width: 38em; }
.dz-list-intro { color: var(--dz-ink); }
.dz-list-intro p { margin: 0 0 .8em; }
.dz-list-count { color: var(--dz-muted); font-size: 14px; margin: 0 0 18px; }
.dz-list-items { list-style: none; margin: 0; padding: 0; max-width: 46em; }
.dz-list-item { background: var(--dz-surface); border: 1px solid var(--dz-line); border-left: 6px solid var(--dz-accent); border-radius: var(--dz-r-sm); padding: 16px 20px; margin-bottom: 14px; }
.dz-list-title { margin: 0 0 6px; font-size: 20px; line-height: 1.45; }
.dz-list-title a { color: var(--dz-ink); }
.dz-list-desc { margin: 0 0 6px; color: var(--dz-muted); font-size: 15px; }
.dz-list-meta { margin: 0; font-size: 13px; color: var(--dz-muted); }
.dz-list-syn { font-size: 14px; color: var(--dz-muted); }
.dz-pagerow { display: flex; gap: 16px; align-items: center; margin-top: 20px; }
.dz-pagerow-a { display: inline-flex; align-items: center; min-height: 44px; }

.dz-office { padding-bottom: 64px; }
.dz-office-grid { display: grid; grid-template-columns: minmax(0, 1fr) 220px; gap: 48px; }
.dz-office-date { color: var(--dz-muted); font-size: 14px; margin: 0 0 18px; }
.dz-office-main .dz-prose h2 { font-size: 21px; border-top-width: 2px; margin-top: 34px; }
.dz-office-side { display: flex; flex-direction: column; align-self: start; margin-top: 18px; border-left: 1px solid var(--dz-line); padding-left: 16px; }
.dz-office-side-h { margin: 0 0 4px; font-size: 14px; color: var(--dz-muted); }
.dz-office-link { display: flex; align-items: center; min-height: 44px; color: var(--dz-ink); text-decoration: none; }
.dz-office-link:hover { text-decoration: underline; }
.dz-office-link[aria-current="page"] { font-weight: 700; color: var(--dz-accent-text); }

/* 搜索 */
.dz-query { padding-bottom: 64px; max-width: 860px; }
.dz-query-tip { font-size: 16px; }
.dz-query-form { margin: 10px 0 14px; }
.dz-query-label { display: block; font-size: 14px; color: var(--dz-muted); margin-bottom: 6px; }
.dz-query-row { display: flex; gap: 8px; max-width: 34em; }
.dz-query-input { flex: 1; min-width: 0; min-height: 48px; padding: 0 14px; font: 16px var(--dz-cjk); color: var(--dz-ink); background: var(--dz-surface); border: 1px solid var(--dz-edge); border-radius: var(--dz-r-sm); }
.dz-query-btn { min-height: 48px; padding: 0 18px; font: 700 16px var(--dz-cjk); color: var(--dz-surface); background: var(--dz-ink); border: 0; border-bottom: 5px solid var(--dz-accent); border-radius: var(--dz-r-sm); cursor: pointer; }
.dz-query-status { color: var(--dz-muted); font-size: 14px; min-height: 1.5em; }
.dz-query-results { list-style: none; padding: 0; margin: 0; max-width: 46em; }
.dz-query-results li { padding: 12px 0; border-bottom: 1px solid var(--dz-line); }
.dz-query-results a { font-weight: 700; display: inline-block; padding: 4px 0; }
.dz-query-results p { margin: 2px 0 0; font-size: 15px; color: var(--dz-muted); }

/* 404 */
.dz-lost { padding: 48px var(--dz-gutter) 80px; max-width: 760px; }
.dz-keys-small { grid-template-columns: repeat(3, 64px); max-width: none; margin-bottom: 20px; }
.dz-lost-list a { display: inline-flex; align-items: center; min-height: 44px; }

/* 页脚 */
.dz-foot { background: var(--dz-ink); color: var(--dz-paper); padding: 36px 0 28px; font-size: 14px; }
.dz-foot-grid { display: grid; grid-template-columns: minmax(0, 1.4fr) minmax(0, 1fr); gap: 8px 48px; }
.dz-brand-foot { color: var(--dz-surface); }
.dz-foot-note { margin: 10px 0 0; max-width: 34em; line-height: 1.7; }
.dz-foot-note a, .dz-after-next a { display: inline-block; padding: 12px 2px; margin: -12px 0; }
.dz-foot a { color: var(--dz-surface); }
.dz-foot-nav { display: grid; grid-template-columns: repeat(2, minmax(0, max-content)); gap: 0 28px; align-content: start; }
.dz-foot-nav a { display: inline-flex; align-items: center; min-height: 44px; }
.dz-foot-rss { grid-column: 1 / -1; margin: 18px 0 0; padding-top: 14px; border-top: 1px solid #3a404b; }
.dz-foot-rss a { display: inline-flex; align-items: center; min-height: 44px; }
.dz-foot-copy { grid-column: 1 / -1; margin: 0; color: var(--dz-line); }

@media (max-width: 980px) {
  .dz-hero-grid { grid-template-columns: minmax(0, 1fr); grid-template-areas: "head" "box" "pick"; row-gap: 18px; }
  .dz-home-body { grid-template-columns: minmax(0, 1fr); gap: 8px; }
  .dz-office-grid { grid-template-columns: minmax(0, 1fr); gap: 16px; }
  .dz-office-side { border-left: 0; padding-left: 0; border-top: 1px solid var(--dz-line); padding-top: 12px; }
}

@media (max-width: 640px) {
  body.dz-body { font-size: 16px; }
  .dz-top-row { min-height: 56px; gap: 0; }
  .dz-nav { width: 100%; justify-content: space-between; gap: 0; margin: 0 -8px; width: calc(100% + 16px); }
  .dz-nav-a { padding: 0 8px; }
  .dz-hero { padding: 18px 0 22px; }
  .dz-h1 { font-size: 35px; line-height: 1.18; }
  .dz-codebox { padding: 14px 14px 12px; }
  .dz-codebox-label { margin-bottom: 8px; font-size: 14px; }
  .dz-keys { gap: 5px; }
  .dz-key { font-size: 21px; border-bottom-width: 5px; aspect-ratio: 1 / 1.02; }
  .dz-code-row { margin: 10px 0 6px; gap: 8px; }
  .dz-copykey { min-width: 0; padding: 0 16px; }
  .dz-gain { font-size: 16px; margin-top: 2px; }
  .dz-pick-title { font-size: 17px; }
  .dz-pick-why { font-size: 15px; }
  .dz-art-h1, .dz-page-h1 { font-size: 28px; }
  .dz-prose { font-size: 16px; }
  .dz-prose h2, .dz-faq h2 { font-size: 22px; }
  .dz-prose h3 { font-size: 18px; }
  .dz-shot { padding: 8px; margin-left: calc(-1 * var(--dz-gutter) + 4px); margin-right: calc(-1 * var(--dz-gutter) + 4px); }
  .dz-foot-grid { grid-template-columns: minmax(0, 1fr); }
}

@media (prefers-reduced-motion: reduce) {
  *, *::before, *::after { transition: none !important; animation: none !important; scroll-behavior: auto !important; }
  .dz-copykey:active, .dz-copykey.dz-pressed { transform: none; }
}

/* 深色页脚里让键帽轮廓露出来 */
.dz-brand-foot .dz-mark rect:nth-of-type(2) { fill: #3a404b; }