:root {
  color-scheme: light;
  --ink: #172033;
  --muted: #5f6b7a;
  --line: #d8dee8;
  --paper: #f5f7fb;
  --panel: #fff;
  --blue: #0969da;
  --navy: #102a43;
  --teal: #0f766e;
  --green: #1a7f37;
  --amber: #9a6700;
  --red: #cf222e;
  --soft-blue: #eaf4ff;
  --soft-teal: #e7f8f5;
  --soft-amber: #fff8dc;
  --shadow: 0 16px 38px rgba(23, 32, 51, .08);
}

* { box-sizing: border-box; }

body {
  margin: 0;
  min-height: 100vh;
  overflow-x: hidden;
  color: var(--ink);
  background:
    linear-gradient(135deg, rgba(9, 105, 218, .08), transparent 35%),
    linear-gradient(225deg, rgba(15, 118, 110, .08), transparent 38%),
    var(--paper);
  font-family: "Microsoft YaHei", "PingFang SC", Arial, sans-serif;
}

button, a { font: inherit; }

button {
  min-height: 38px;
  padding: 0 14px;
  border: 1px solid rgba(255, 255, 255, .45);
  border-radius: 6px;
  color: #fff;
  background: rgba(255, 255, 255, .12);
  cursor: pointer;
}

button:hover { background: rgba(255, 255, 255, .2); }

.page {
  width: min(1280px, calc(100% - 32px));
  margin: 0 auto;
  padding: 24px 0 42px;
}

.hero {
  border-radius: 8px;
  overflow: hidden;
  color: #fff;
  background: linear-gradient(120deg, #0b1120 0%, #0f2f63 50%, #0f766e 100%);
  box-shadow: var(--shadow);
}

.hero nav {
  display: flex;
  justify-content: space-between;
  gap: 12px;
  padding: 18px 22px 0;
}

.hero nav a {
  min-height: 38px;
  padding: 8px 14px;
  border: 1px solid rgba(255, 255, 255, .45);
  border-radius: 6px;
  color: #fff;
  text-decoration: none;
}

.hero section { padding: 34px 32px 38px; }

.kicker {
  margin: 0 0 12px;
  color: rgba(255, 255, 255, .76);
  font-size: 13px;
  font-weight: 700;
}

h1 {
  max-width: 980px;
  margin: 0;
  font-size: 44px;
  line-height: 1.14;
  letter-spacing: 0;
}

.hero p:last-child {
  max-width: 1040px;
  margin: 16px 0 0;
  color: rgba(255, 255, 255, .88);
  font-size: 16px;
  line-height: 1.8;
}

.quick-card, .block, .sticky {
  border: 1px solid var(--line);
  border-radius: 8px;
  background: var(--panel);
  box-shadow: var(--shadow);
}

.quick-card {
  margin-top: 16px;
  padding: 20px;
}

h2 {
  margin: 0 0 16px;
  font-size: 24px;
  letter-spacing: 0;
}

h3 {
  margin: 0;
  font-size: 18px;
  letter-spacing: 0;
}

p {
  margin: 8px 0 0;
  line-height: 1.76;
}

b { color: var(--ink); }

.fit-grid {
  display: grid;
  grid-template-columns: repeat(3, minmax(0, 1fr));
  gap: 14px;
}

.fit-grid article {
  min-width: 0;
  padding: 16px;
  border: 1px solid #e8edf3;
  border-radius: 8px;
  background: #fbfcfe;
}

.fit-grid span {
  display: block;
  margin-bottom: 8px;
  color: var(--teal);
  font-size: 12px;
  font-weight: 700;
}

.fit-grid strong {
  display: block;
  font-size: 18px;
}

.fit-grid p, .match-list p, .project-talk p, details p, .note p, .knowledge-grid p {
  color: var(--muted);
}

.layout {
  display: grid;
  grid-template-columns: minmax(0, 1fr) 330px;
  gap: 16px;
  align-items: start;
  margin-top: 16px;
}

.main {
  display: grid;
  gap: 16px;
  min-width: 0;
}

.block {
  min-width: 0;
  padding: 22px;
}

.match-list, .qa-list {
  display: grid;
  gap: 12px;
}

.match-list article, .knowledge-grid article {
  padding: 16px;
  border: 1px solid #e8edf3;
  border-radius: 8px;
  background: #fbfcfe;
}

.match-list article {
  border-left: 4px solid var(--teal);
}

.script-card {
  padding: 16px 18px;
  border: 1px solid rgba(15, 118, 110, .25);
  border-left: 4px solid var(--teal);
  border-radius: 8px;
  background: var(--soft-teal);
}

.script-card p { color: #173f3a; }

.project-talk {
  padding: 18px 0;
  border-top: 1px solid #e8edf3;
}

.project-talk:first-of-type {
  padding-top: 0;
  border-top: 0;
}

.project-talk:last-child { padding-bottom: 0; }

ul {
  margin: 12px 0 0;
  padding-left: 20px;
}

li {
  margin: 7px 0;
  line-height: 1.75;
}

.knowledge-grid {
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: 12px;
}

.knowledge-grid article {
  border-left: 4px solid var(--blue);
}

.knowledge-grid h3 { color: var(--blue); }

details {
  overflow: hidden;
  border: 1px solid #e8edf3;
  border-radius: 8px;
  background: #fbfcfe;
}

summary {
  padding: 14px 16px;
  color: var(--blue);
  font-weight: 700;
  cursor: pointer;
}

details p {
  margin: 0;
  padding: 0 16px 16px;
}

.strategy {
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: 14px;
}

.strategy article {
  padding: 16px;
  border: 1px solid #e8edf3;
  border-radius: 8px;
}

.strategy article:first-child {
  background: var(--soft-teal);
  border-color: rgba(15, 118, 110, .25);
}

.strategy article:last-child {
  background: #fff1f1;
  border-color: rgba(207, 34, 46, .22);
}

.question-list {
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: 10px 18px;
}

.side { min-width: 0; }

.sticky {
  position: sticky;
  top: 16px;
  padding: 18px;
}

.note {
  padding: 14px;
  border: 1px solid #e8edf3;
  border-radius: 8px;
  background: #fbfcfe;
}

.note + .note { margin-top: 12px; }

.note strong {
  display: block;
  color: var(--navy);
}

.note.danger {
  border-color: rgba(154, 103, 0, .25);
  background: var(--soft-amber);
}

@media (max-width: 980px) {
  .layout, .fit-grid, .strategy, .question-list {
    grid-template-columns: 1fr;
  }

  .knowledge-grid {
    grid-template-columns: 1fr;
  }

  .sticky { position: static; }
}

@media (max-width: 640px) {
  .page {
    width: min(100% - 20px, 1280px);
    padding-top: 10px;
  }

  .hero nav {
    flex-direction: column;
    padding: 14px 14px 0;
  }

  .hero section { padding: 26px 18px 28px; }

  h1 { font-size: 32px; }

  .quick-card, .block, .sticky { padding: 16px; }
}

@media print {
  body {
    background: #fff;
  }

  .page {
    width: 100%;
    padding: 0;
  }

  .hero, .quick-card, .block, .sticky {
    box-shadow: none;
  }

  .hero {
    color: var(--ink);
    background: #fff;
    border: 1px solid var(--line);
  }

  .hero nav { display: none; }

  .hero p:last-child, .kicker {
    color: var(--muted);
  }

  .layout {
    display: block;
  }

  .side { margin-top: 16px; }

  details { break-inside: avoid; }
  .block, .quick-card { break-inside: avoid; }
}