/* ============================================================================
   Apex Toolkit · 更新日志页
   ---------------------------------------------------------------------------
   与首页同一套语言：暖白纸面、近黑正文、应用红作信号色。
   本文件只覆盖 changelog/index.html 用到的类，不再引用旧的 site.css 皮肤。
   ========================================================================== */

@font-face {
  font-family: "Archivo";
  font-style: normal;
  font-weight: 100 900;
  font-display: swap;
  src: url("../assets/fonts/archivo-latin-var.woff2?v=5c88d3ca") format("woff2");
}
@font-face {
  font-family: "Noto Sans SC";
  font-style: normal;
  font-weight: 100 900;
  font-display: swap;
  src: url("../assets/fonts/noto-sans-sc-subset.woff2?v=6f3b26ff") format("woff2");
}

:root {
  --paper: #fbfaf7;
  --paper-2: #f4f1e9;
  --ink: #121210;
  --ink-2: #2b2b26;
  --ink-3: rgba(18, 18, 16, 0.62);
  --ink-4: rgba(18, 18, 16, 0.42);
  --red: #d6352a;
  --red-ink: #a02018;
  --line: rgba(18, 18, 16, 0.12);
  --line-2: rgba(18, 18, 16, 0.24);

  --font-display: "Archivo", "Noto Sans SC", "Microsoft YaHei", "PingFang SC", sans-serif;
  --font-body: "Archivo", "Noto Sans SC", "Microsoft YaHei", "PingFang SC", sans-serif;
  --font-mono: ui-monospace, "Cascadia Mono", "Consolas", "Noto Sans SC", monospace;

  --wrap: 1180px;
  --gutter: clamp(20px, 3.6vw, 44px);
  --nav-h: 64px;
  --ease: cubic-bezier(0.16, 1, 0.3, 1);
  --dur: 220ms;
}

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

html {
  overflow-x: clip;
  scroll-behavior: smooth;
  scroll-padding-top: calc(var(--nav-h) + 16px);
  scrollbar-color: #c9c4b8 var(--paper);
}

body {
  margin: 0;
  overflow-x: clip;
  background: var(--paper);
  color: var(--ink-2);
  font-family: var(--font-body);
  font-size: 16px;
  line-height: 1.75;
  font-variant-numeric: tabular-nums;
  -webkit-font-smoothing: antialiased;
  text-rendering: optimizeLegibility;
}

img { display: block; max-width: 100%; height: auto; }
a { color: inherit; }
h1, h2, h3 { margin: 0; text-wrap: balance; overflow-wrap: anywhere; }
p { margin: 0; text-wrap: pretty; }

::selection { background: var(--red); color: #fff; }
:focus-visible { outline: 2px solid var(--red); outline-offset: 3px; }

.shell {
  max-width: var(--wrap);
  margin-inline: auto;
  padding-inline: var(--gutter);
}

.skip-link {
  position: absolute;
  left: 16px;
  top: 16px;
  z-index: 999;
  padding: 12px 24px;
  background: var(--ink);
  color: var(--paper);
  text-decoration: none;
  transform: translateY(-300%);
}
.skip-link:focus { transform: none; }

/* ═══ 顶栏 ══════════════════════════════════════════════════════════════ */

.topbar {
  position: sticky;
  top: 0;
  z-index: 100;
  border-bottom: 1px solid var(--line);
  background: rgba(251, 250, 247, 0.82);
  backdrop-filter: blur(16px) saturate(140%);
}

.topbar__in {
  display: flex;
  align-items: center;
  gap: 24px;
  min-height: var(--nav-h);
}

.wordmark {
  display: inline-flex;
  align-items: baseline;
  gap: 10px;
  margin-right: auto;
  color: var(--ink);
  font-family: var(--font-display);
  font-size: 17px;
  font-weight: 800;
  letter-spacing: -0.02em;
  text-decoration: none;
}
.wordmark__ver {
  font-family: var(--font-mono);
  font-size: 10px;
  font-weight: 500;
  letter-spacing: 0.14em;
  text-transform: uppercase;
  color: var(--ink-4);
}

.topnav { display: flex; align-items: center; gap: 26px; }
.topnav__link {
  color: var(--ink-3);
  font-size: 14px;
  font-weight: 500;
  text-decoration: none;
  transition: color var(--dur) var(--ease);
}
.topnav__link:hover { color: var(--ink); }

.chip {
  display: inline-flex;
  align-items: center;
  gap: 0.4em;
  min-height: 36px;
  padding: 0.35em 0.95em;
  border-radius: 2px;
  background: var(--red);
  color: #fff;
  font-size: 14px;
  font-weight: 600;
  text-decoration: none;
  transition: background-color var(--dur) var(--ease);
}
.chip:hover { background: var(--red-ink); }
.chip .arr { transition: transform var(--dur) var(--ease); }
.chip:hover .arr { transform: translateX(4px); }

/* ═══ 页头 ══════════════════════════════════════════════════════════════ */

.page-head {
  padding-block: clamp(48px, 7vw, 88px) clamp(24px, 3vw, 40px);
}

.eyebrow {
  display: inline-flex;
  align-items: center;
  gap: 10px;
  margin: 0 0 20px;
  font-family: var(--font-mono);
  font-size: 10.5px;
  font-weight: 500;
  letter-spacing: 0.14em;
  text-transform: uppercase;
  color: var(--ink-3);
}
.eyebrow::before {
  content: "";
  width: 22px;
  height: 1px;
  background: var(--red);
}

.sec-title {
  font-family: var(--font-display);
  font-size: clamp(32px, 4.6vw, 62px);
  font-weight: 800;
  line-height: 1.04;
  letter-spacing: -0.035em;
  color: var(--ink);
}

.page-head__lede {
  margin-top: 20px;
  max-width: 44em;
  font-size: 16px;
  line-height: 1.8;
  color: var(--ink-2);
}

.link-typo {
  color: var(--red-ink);
  text-decoration: underline;
  text-underline-offset: 3px;
  text-decoration-thickness: 1px;
}
.link-typo:hover { color: var(--red); }

/* ═══ 系列索引 ══════════════════════════════════════════════════════════ */

.cl-index {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  gap: 10px 14px;
  margin-top: 32px;
  padding-top: 20px;
  border-top: 1px solid var(--line);
}

.cl-index .label {
  font-family: var(--font-mono);
  font-size: 10px;
  font-weight: 500;
  letter-spacing: 0.14em;
  text-transform: uppercase;
  color: var(--ink-4);
}

.cl-index__link {
  display: inline-flex;
  align-items: baseline;
  gap: 6px;
  padding: 6px 12px;
  border: 1px solid var(--line-2);
  border-radius: 2px;
  color: var(--ink);
  font-family: var(--font-mono);
  font-size: 12px;
  font-weight: 600;
  text-decoration: none;
  transition: background-color var(--dur) var(--ease), border-color var(--dur) var(--ease), color var(--dur) var(--ease);
}
.cl-index__link small {
  font-size: 10px;
  font-weight: 500;
  color: var(--ink-4);
}
.cl-index__link:hover {
  border-color: var(--red);
  background: var(--red);
  color: #fff;
}
.cl-index__link:hover small { color: rgba(255, 255, 255, 0.75); }

/* ═══ 版本列表 ══════════════════════════════════════════════════════════ */

.cl { padding-bottom: clamp(64px, 8vw, 112px); }

.cl-series { margin-top: clamp(32px, 4vw, 56px); }

.cl-series__title {
  display: flex;
  align-items: baseline;
  gap: 14px;
  padding-bottom: 14px;
  border-bottom: 2px solid var(--ink);
  font-family: var(--font-display);
  font-size: clamp(22px, 2.6vw, 32px);
  font-weight: 800;
  letter-spacing: -0.02em;
  color: var(--ink);
}
.cl-series__title small {
  font-family: var(--font-mono);
  font-size: 11px;
  font-weight: 500;
  letter-spacing: 0.12em;
  text-transform: uppercase;
  color: var(--ink-4);
}

.cl-entry {
  display: grid;
  grid-template-columns: minmax(130px, 168px) minmax(0, 1fr);
  gap: 10px clamp(20px, 3vw, 44px);
  padding: 30px 0 34px;
  border-bottom: 1px solid var(--line);
}

/* 左侧窄栏：版本号 + 日期（参考用户提供的版式构图） */
.cl-entry__aside {
  position: sticky;
  top: calc(var(--nav-h) + 24px);
  align-self: start;
}
.cl-entry__main { min-width: 0; }

.cl-entry__head {
  display: flex;
  flex-wrap: wrap;
  align-items: baseline;
  gap: 8px 16px;
}

.cl-entry__ver {
  margin: 0;
  font-family: var(--font-mono);
  font-size: 12px;
  font-weight: 500;
  letter-spacing: 0.04em;
  line-height: 1.5;
  color: var(--ink-3);
}
.cl-entry__ver a {
  text-decoration: none;
  transition: color var(--dur) var(--ease);
}
.cl-entry__ver a:hover { color: var(--red); }

.cl-entry__date {
  margin: 4px 0 0;
  font-family: var(--font-mono);
  font-size: 11px;
  letter-spacing: 0.04em;
  color: var(--ink-4);
}

.cl-entry__badge {
  display: inline-block;
  margin-top: 8px;
  padding: 2px 7px;
  border-radius: 2px;
  background: var(--red);
  color: #fff;
  font-size: 10px;
  font-weight: 600;
  letter-spacing: 0.04em;
}

/* 主标题：截图里的「Proma v0.21.88 更新」那一行，这里用摘要承担 */
.cl-entry__summary {
  margin: 0;
  max-width: 40em;
  font-family: var(--font-display);
  font-size: clamp(19px, 2.1vw, 23px);
  font-weight: 800;
  letter-spacing: -0.015em;
  line-height: 1.45;
  color: var(--ink);
}

/* 累计公告：说明它代表一段区间的改动，不与单版本混同 */
.cl-entry__rollup {
  margin-top: 6px;
  max-width: 62em;
  font-size: 12.5px;
  line-height: 1.7;
  color: var(--ink-4);
}

/* 明细折叠 */
.cl-entry__more { margin-top: 12px; }

/* ── 分类版式（2026-10-31）：有分类的版本正文直接铺开，按四类分节 ──
   参考用户提供的版式：左侧版本/日期窄栏，右侧大标题 + 四节正文，
   每条为「加粗小标题 — 解释」。 */

/* 分类节：标题比正文重一档，节间留白拉开呼吸 */
.hg {
  margin-top: 30px;
}
.hg:first-of-type { margin-top: 26px; }

.hg__head {
  margin: 0 0 14px;
  font-family: var(--font-display);
  font-size: clamp(16px, 1.7vw, 19px);
  font-weight: 700;
  letter-spacing: -0.01em;
  line-height: 1.4;
  color: var(--ink);
}

.hg__list {
  margin: 0;
  padding: 0;
  list-style: none;
}

/* 每条：破折号列表符 + 加粗小标题 + 常规解释，行距放宽到可长读 */
.hg__item {
  position: relative;
  padding: 0 0 16px 19px;
  font-size: 14.5px;
  line-height: 1.85;
  color: var(--ink-3);
}
.hg__item:last-child { padding-bottom: 0; }
.hg__item::before {
  content: "";
  position: absolute;
  left: 1px;
  top: 0.86em;
  width: 5px;
  height: 1px;
  background: currentColor;
  opacity: 0.55;
}
.hg__title {
  font-weight: 600;
  color: var(--ink);
}
.hg__sep { color: var(--ink-4); }
.hg__body { color: var(--ink-3); }
.hg__item--plain { color: var(--ink-2); }

.cl-entry__more summary {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  padding: 6px 12px 6px 0;
  cursor: pointer;
  list-style: none;
  font-family: var(--font-mono);
  font-size: 10.5px;
  font-weight: 500;
  letter-spacing: 0.12em;
  text-transform: uppercase;
  color: var(--ink-3);
  transition: color var(--dur) var(--ease);
}
.cl-entry__more summary::-webkit-details-marker { display: none; }
.cl-entry__more summary::before {
  content: "";
  width: 7px;
  height: 7px;
  border-right: 1px solid currentColor;
  border-bottom: 1px solid currentColor;
  transform: rotate(-45deg);
  transition: transform var(--dur) var(--ease);
}
.cl-entry__more[open] summary::before { transform: rotate(45deg); }
.cl-entry__more summary:hover { color: var(--red-ink); }

.cl-entry__count {
  padding: 1px 6px;
  border: 1px solid var(--line-2);
  border-radius: 2px;
  color: var(--ink-4);
  font-size: 10px;
  letter-spacing: 0.06em;
}

.cl-entry__more ul {
  margin: 8px 0 0;
  padding: 0 0 0 18px;
  list-style: none;
  border-left: 1px solid var(--line-2);
}
.cl-entry__more li {
  position: relative;
  padding: 6px 0 6px 14px;
  font-size: 14px;
  line-height: 1.75;
  color: var(--ink-2);
}
.cl-entry__more li::before {
  content: "";
  position: absolute;
  left: -3px;
  top: 1.05em;
  width: 5px;
  height: 5px;
  background: var(--red);
}

/* ═══ 页脚 ══════════════════════════════════════════════════════════════ */

.foot {
  border-top: 1px solid var(--line);
  padding-block: 40px 56px;
}
.foot__inner {
  display: flex;
  flex-wrap: wrap;
  align-items: baseline;
  gap: 8px 24px;
  font-size: 12.5px;
  color: var(--ink-3);
}
.foot__id {
  font-family: var(--font-mono);
  font-size: 10px;
  letter-spacing: 0.12em;
  text-transform: uppercase;
  color: var(--ink-4);
}
.foot a {
  color: var(--ink-2);
  font-weight: 600;
  text-decoration: none;
}
.foot a:hover { color: var(--red-ink); }

/* ═══ 响应式 ════════════════════════════════════════════════════════════ */

@media (max-width: 720px) {
  :root { --nav-h: 58px; }
  .topnav { display: none; }
  /* 窄屏降为单栏：版本/日期回到上方一行，不再占左栏 */
  .cl-entry {
    grid-template-columns: minmax(0, 1fr);
    gap: 10px;
    padding: 20px 0 24px;
  }
  .cl-entry__aside { position: static; }
  .cl-entry__ver { font-size: 12px; }
  .cl-entry__summary { font-size: 17px; }
  .hg { margin-top: 24px; }
  .hg__item { font-size: 14px; }
}