/* DeepSeek 招聘页 · Google Web 质量线
   白底、无衬线、一枚蓝；8dp 网格；列表独立滚，页面不锁死。
*/
:root {
  --font: "Roboto", "Noto Sans SC", "PingFang SC", "Hiragino Sans GB", "Microsoft YaHei", sans-serif;
  --blue: #1a73e8;
  --blue-ink: #174ea6;
  --blue-50: #e8f0fe;
  --ink: #202124;
  --ink-2: #3c4043;
  --mute: #5f6368;
  --faint: #80868b;
  --line: #dadce0;
  --bg: #ffffff;
  --surf: #f8f9fa;
  --nav-h: 64px;
  --rail-w: 320px;
  --r: 8px;
  --ease: cubic-bezier(.4, 0, .2, 1);
}

*, *::before, *::after { box-sizing: border-box; }
html { font-size: 16px; scroll-padding-top: var(--nav-h); }
body {
  margin: 0;
  background: var(--bg);
  color: var(--ink);
  font-family: var(--font);
  font-size: 16px;
  font-weight: 400;
  line-height: 1.5;
  -webkit-font-smoothing: antialiased;
}
button, input, select { font-family: inherit; }
a { color: var(--blue); text-decoration: none; }
a:hover { text-decoration: underline; }
::selection { background: var(--blue-50); }
:focus { outline: none; }
:focus-visible { outline: 3px solid var(--blue); outline-offset: 2px; }
.skip {
  position: absolute; left: 12px; top: -40px; z-index: 30;
  background: var(--blue); color: #fff; padding: 8px 12px; border-radius: 4px;
}
.skip:focus { top: 12px; }

/* 高亮技能：默认与正文同色，打开后蓝 50 */
.hl-term { background: transparent; color: inherit; font-weight: inherit; border-radius: 2px; }
body.hl-on .hl-term { background: var(--blue-50); color: var(--blue-ink); font-weight: 500; }

.nav {
  position: sticky; top: 0; z-index: 20;
  height: var(--nav-h);
  background: var(--bg);
  border-bottom: 1px solid var(--line);
}
.nav-in {
  height: 100%;
  display: flex;
  align-items: center;
  gap: 8px;
  padding: 0 24px;
}
.nav-brand {
  font-size: 18px;
  font-weight: 500;
  color: var(--ink);
  margin-right: 16px;
}
.nav-links { display: flex; align-items: stretch; height: 100%; margin-left: 8px; }
.nav-links a, .nav-links button {
  border: 0; background: transparent; color: var(--mute);
  font-size: 14px; font-weight: 500;
  padding: 0 16px; cursor: pointer;
  border-bottom: 3px solid transparent;
  height: 100%;
}
.nav-links a:hover, .nav-links button:hover { color: var(--ink); text-decoration: none; background: var(--surf); }
.nav-links a.on, .nav-links button.on {
  color: var(--blue);
  border-bottom-color: var(--blue);
  background: transparent;
}
.nav-extra { margin-left: auto; display: flex; align-items: center; gap: 8px; }
.nav-extra a { color: var(--mute); font-size: 14px; font-weight: 500; padding: 8px 12px; border-radius: 4px; }
.nav-extra a:hover { background: var(--surf); text-decoration: none; color: var(--ink); }

.app {
  display: grid;
  grid-template-columns: var(--rail-w) minmax(0, 1fr);
  align-items: start;
  min-height: calc(100vh - var(--nav-h));
}
.rail {
  position: sticky;
  top: var(--nav-h);
  height: calc(100vh - var(--nav-h));
  overflow: auto;
  overscroll-behavior: contain;
  background: var(--surf);
  border-right: 1px solid var(--line);
  display: flex;
  flex-direction: column;
}
.rail-hd {
  display: flex; align-items: baseline; justify-content: space-between;
  padding: 20px 20px 8px;
}
.rail-hd h1 { margin: 0; font-size: 16px; font-weight: 500; }
.rail-hd #count { font-size: 13px; color: var(--faint); font-variant-numeric: tabular-nums; }
.rail-tools { padding: 0 16px 12px; display: flex; flex-direction: column; gap: 8px; }
.rail-tools input[type="search"],
.rail-tools select {
  width: 100%; height: 48px; border: 1px solid var(--line); border-radius: var(--r);
  background: var(--bg); font-size: 14px; padding: 0 16px; color: var(--ink);
}
.chip-row {
  display: flex; gap: 8px; overflow-x: auto; padding: 4px 0;
  scrollbar-width: none;
}
.chip-row::-webkit-scrollbar { display: none; }
.chip {
  flex: 0 0 auto;
  height: 32px; padding: 0 12px;
  border-radius: var(--r);
  border: 1px solid var(--line);
  background: var(--bg);
  font-size: 13px; font-weight: 500; color: var(--ink-2);
  cursor: pointer;
}
.chip:hover { background: var(--surf); }
.chip.on, .chip[aria-pressed="true"] {
  background: var(--blue-50); border-color: var(--blue); color: var(--blue-ink);
}
.chips-mini { display: flex; flex-wrap: wrap; gap: 8px; }
.chip-x {
  display: inline-flex; align-items: center; gap: 4px;
  font-size: 13px; background: var(--blue-50); color: var(--blue-ink);
  border-radius: 16px; padding: 4px 10px;
}
.chip-x button { border: 0; background: transparent; color: inherit; cursor: pointer; min-width: 24px; min-height: 24px; }
.ghost {
  border: 0; background: transparent; color: var(--blue); font-size: 13px; font-weight: 500;
  cursor: pointer; padding: 8px 0; text-align: left;
}
.ghost[hidden] { display: none; }
.rail-list { flex: 1; overflow: auto; padding: 4px 8px 32px; }
.g-hd {
  position: sticky; top: 0; z-index: 1;
  font-size: 12px; font-weight: 500; color: var(--mute);
  background: var(--surf); padding: 16px 12px 6px;
}
.job {
  display: flex; flex-direction: column; justify-content: center;
  width: 100%; min-height: 56px; text-align: left;
  border: 0; background: transparent; border-radius: var(--r);
  padding: 10px 12px; cursor: pointer; color: var(--ink);
}
.job .name { font-size: 14px; font-weight: 500; line-height: 1.35; }
.job .meta { font-size: 12px; color: var(--mute); margin-top: 2px; }
.job:hover { background: #eee; }
.job.on { background: var(--blue-50); }
.job.on .name { color: var(--blue-ink); }
.empty-list { padding: 24px 16px; color: var(--mute); font-size: 14px; }

.detail-hd, .job, .note-card, .bar, .tbar { scroll-margin-top: calc(var(--nav-h) + 8px); }
.pane { min-width: 0; background: var(--bg); }
.pane-back {
  display: none; border: 0; background: transparent; color: var(--blue);
  font-size: 14px; font-weight: 500; padding: 16px 40px 0; cursor: pointer;
}
.detail-hd {
  padding: 32px 40px 16px;
  border-bottom: 1px solid var(--line);
}
.detail-hd .kicker {
  margin: 0 0 8px; font-size: 12px; font-weight: 500; color: var(--mute);
}
.detail-hd h2 {
  margin: 0;
  font-size: clamp(22px, 3vw, 28px);
  font-weight: 400;
  letter-spacing: -.02em;
  line-height: 1.25;
}
.detail-top { display: flex; align-items: flex-start; justify-content: space-between; gap: 24px; }
.meta-row { margin-top: 8px; color: var(--mute); font-size: 14px; }
.detail-actions { display: flex; gap: 8px; align-items: center; flex-shrink: 0; }
.detail-actions a { font-size: 14px; font-weight: 500; padding: 8px 12px; }
.detail-actions a.cta {
  display: inline-flex; align-items: center; justify-content: center;
  min-height: 48px; padding: 0 24px;
  background: var(--blue); color: #fff; border-radius: 24px;
  text-decoration: none;
}
.detail-actions a.cta:hover { background: var(--blue-ink); text-decoration: none; }
.jd-tags { display: flex; flex-wrap: wrap; gap: 8px; margin-top: 16px; }
.jd-tags button {
  min-height: 32px; height: 32px; padding: 0 12px; border-radius: 16px;
  border: 1px solid var(--line); background: #fff; color: var(--ink-2);
  font-size: 13px; font-weight: 500; cursor: pointer;
}
.jd-tags button:hover, .jd-tags button.on { background: var(--blue-50); border-color: var(--blue); color: var(--blue-ink); }
.tag-more { margin-top: 8px; }
.hl-toggle {
  display: inline-flex; align-items: center; gap: 8px;
  margin-top: 16px; font-size: 14px; color: var(--mute); cursor: pointer; user-select: none;
}
.hl-toggle input { width: 18px; height: 18px; accent-color: var(--blue); }

.jd-board { padding: 24px 40px 80px; max-width: 880px; }
.jd-block, .jd-dir, .jd-main { padding: 8px 0 24px; border-bottom: 1px solid var(--line); }
.jd-block h3, .jd-dir > h3 {
  margin: 0 0 12px; font-size: 16px; font-weight: 500;
}
.jd-board p, .flow p {
  margin: 0 0 10px; font-size: 16px; line-height: 1.6; color: var(--ink-2);
}
.jd-board p:last-child, .flow p:last-child { margin-bottom: 0; }
.jd-board p.item { padding-left: 1.4em; text-indent: -1.4em; }
.dir-switch {
  display: flex; flex-wrap: wrap; gap: 8px; margin: 16px 0 0;
}
.dir-tab {
  height: 40px; padding: 0 16px; border-radius: 20px;
  border: 1px solid var(--line); background: #fff;
  font-size: 13px; font-weight: 500; color: var(--ink-2); cursor: pointer;
}
.dir-tab.on { background: var(--blue-50); border-color: var(--blue); color: var(--blue-ink); }
.jd-dir.hidden { display: none; }
.jd-tri { display: grid; gap: 24px; }
@media (min-width: 900px) {
  .jd-tri.n-2, .jd-tri.n-3 { grid-template-columns: 1fr 1fr; }
}
.jd-tri h4 { margin: 0 0 8px; font-size: 12px; font-weight: 500; color: var(--mute); }
.jd-tail { margin-top: 8px; }
.empty-jd { padding: 48px 40px; color: var(--mute); }

#view-analysis { display: none; }
body.analysis-on .app { display: none; }
body.analysis-on #view-analysis { display: block; background: var(--surf); min-height: calc(100vh - var(--nav-h)); }
.hero { max-width: 960px; margin: 0 auto; padding: 48px 32px 8px; }
.eyebrow { margin: 0 0 8px; font-size: 12px; font-weight: 500; color: var(--mute); }
.hero h1 { margin: 0; font-size: clamp(28px, 4vw, 36px); font-weight: 400; letter-spacing: -.02em; }
.dek, .src { margin: 12px 0 0; font-size: 16px; color: var(--mute); }
.stats { display: none; }
.wrap { max-width: 960px; margin: 0 auto; padding: 16px 32px 96px; }
.sechead { margin: 32px 0 16px; }
.sechead h2 { margin: 0; font-size: 22px; font-weight: 400; }
.lead { color: var(--mute); font-size: 14px; margin: 0 0 16px; }
.note-cards { display: grid; gap: 16px; }
@media (min-width: 800px) { .note-cards { grid-template-columns: 1fr 1fr; } }
.note-card {
  background: var(--bg); border-radius: 12px; padding: 20px 24px; margin: 0;
}
.note-card h3 { margin: 0 0 8px; font-size: 16px; font-weight: 500; }
.note-card p { margin: 0; font-size: 14px; color: var(--mute); line-height: 1.6; }
.locline { color: var(--faint); font-size: 13px; margin-top: 16px; }
.chart-grid { display: grid; gap: 32px; margin-top: 16px; }
@media (min-width: 800px) { .chart-grid { grid-template-columns: 1fr 1fr; } }
.chart-card h3 { margin: 0 0 4px; font-size: 16px; font-weight: 500; }
.hint { display: block; color: var(--faint); font-size: 12px; margin-bottom: 12px; }
.bars, .tbars { display: flex; flex-direction: column; gap: 4px; }
.bar, .tbar {
  display: grid; grid-template-columns: 1fr auto; gap: 4px 12px; align-items: center;
  background: transparent; border: 0; padding: 10px 0; cursor: pointer; text-align: left; min-height: 48px;
}
.bar-label, .tbar-name { font-size: 14px; color: var(--ink); }
.bar-track, .tbar-track { grid-column: 1 / -1; height: 4px; background: #e8eaed; border-radius: 99px; overflow: hidden; }
.bar-fill, .tbar-track span { display: block; height: 100%; background: var(--blue); border-radius: 99px; }
.bar-n, .tbar-n { font-size: 14px; font-weight: 500; color: var(--mute); font-variant-numeric: tabular-nums; }
.bar-n small { color: var(--faint); font-weight: 400; }
.bar-sub, .lang-pills, .heat-card { display: none; }

@media (prefers-reduced-motion: reduce) {
  *, *::before, *::after { transition: none !important; }
}
@media (max-width: 820px) {
  .app { grid-template-columns: 1fr; }
  .rail { position: relative; top: 0; height: auto; max-height: none; }
  .app.reading .rail { display: none; }
  .app:not(.reading) .pane { display: none; }
  .pane-back { display: inline-block; }
  .detail-hd, .jd-board { padding-left: 20px; padding-right: 20px; }
  .hero, .wrap { padding-left: 20px; padding-right: 20px; }
  .nav-in { padding: 0 12px; }
  .nav-extra a:not(.cta) { display: none; }
}