:root {
  --ink: #1a1f24;
  --muted: #5b6670;
  --line: #e2e6ea;
  --accent: #1f5fa8;
  --bg: #f4f5f7;
  --paper: #ffffff;
  --maxw: 820px;
}

* { box-sizing: border-box; }

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

body {
  margin: 0;
  background: var(--bg);
  color: var(--ink);
  font-family: -apple-system, BlinkMacSystemFont, "Segoe UI", "PingFang SC",
    "Hiragino Sans GB", "Microsoft YaHei", "Helvetica Neue", Arial, sans-serif;
  font-size: 15px;
  line-height: 1.65;
  -webkit-font-smoothing: antialiased;
}

a { color: var(--accent); text-decoration: none; }
a:hover { text-decoration: underline; }

/* ---------- 工具条 ---------- */
.toolbar {
  position: sticky;
  top: 0;
  z-index: 10;
  display: flex;
  justify-content: flex-end;
  max-width: var(--maxw);
  margin: 0 auto;
  padding: 12px 8px 0;
}
.toolbar button {
  border: 1px solid var(--accent);
  background: var(--accent);
  color: #fff;
  font-size: 14px;
  padding: 8px 16px;
  border-radius: 6px;
  cursor: pointer;
  transition: opacity .15s;
}
.toolbar button:hover { opacity: .88; }

/* ---------- 纸张 ---------- */
.resume {
  max-width: var(--maxw);
  margin: 16px auto;
  background: var(--paper);
  padding: 48px 56px;
  border-radius: 10px;
  box-shadow: 0 4px 24px rgba(0, 0, 0, .07);
}

/* ---------- 头部 ---------- */
.header {
  display: flex;
  gap: 32px;
  align-items: flex-start;
  justify-content: space-between;
  padding-bottom: 22px;
  border-bottom: 2px solid var(--ink);
}
.name {
  margin: 0;
  font-size: 32px;
  font-weight: 700;
  letter-spacing: 2px;
}
.title {
  margin: 4px 0 10px;
  color: var(--accent);
  font-weight: 600;
  font-size: 15px;
}
.summary {
  margin: 0;
  color: var(--muted);
  font-size: 13.5px;
  max-width: 46ch;
}
.contact {
  list-style: none;
  margin: 4px 0 0;
  padding: 0;
  font-size: 13px;
  min-width: 190px;
}
.contact li {
  display: flex;
  gap: 10px;
  padding: 2px 0;
}
.contact__k {
  color: var(--muted);
  flex: 0 0 42px;
}

/* ---------- 区块 ---------- */
.section { margin-top: 26px; }
.section__title {
  margin: 0 0 12px;
  font-size: 14px;
  font-weight: 700;
  letter-spacing: 3px;
  color: var(--accent);
  text-transform: uppercase;
  position: relative;
  padding-left: 12px;
}
.section__title::before {
  content: "";
  position: absolute;
  left: 0; top: 50%;
  transform: translateY(-50%);
  width: 4px; height: 15px;
  background: var(--accent);
  border-radius: 2px;
}

/* ---------- 技能 ---------- */
.skills {
  list-style: none;
  margin: 0;
  padding: 0;
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 4px 28px;
  font-size: 13.5px;
}
.skills li { padding: 2px 0; }
.skills strong { color: var(--ink); }

/* ---------- 条目 ---------- */
.entry { margin-bottom: 18px; }
.entry:last-child { margin-bottom: 0; }
.entry__head {
  display: flex;
  justify-content: space-between;
  align-items: baseline;
  gap: 12px;
}
.entry__role {
  margin: 0;
  font-size: 15.5px;
  font-weight: 600;
}
.entry__date {
  color: var(--muted);
  font-size: 12.5px;
  white-space: nowrap;
  font-variant-numeric: tabular-nums;
}
.entry__meta {
  margin: 2px 0 6px;
  color: var(--muted);
  font-size: 12.5px;
}
.bullets {
  margin: 0;
  padding-left: 18px;
  font-size: 13.5px;
}
.bullets li { margin: 3px 0; }

/* ---------- 页脚 ---------- */
.footer {
  text-align: center;
  color: var(--muted);
  font-size: 12px;
  padding: 16px 0 32px;
}

/* ---------- 响应式 ---------- */
@media (max-width: 640px) {
  .resume { padding: 28px 22px; margin: 8px; border-radius: 8px; }
  .header { flex-direction: column; gap: 16px; }
  .skills { grid-template-columns: 1fr; }
  .name { font-size: 26px; }
}

/* ---------- 打印 / 导出 PDF ---------- */
@media print {
  :root { --bg: #fff; }
  .no-print { display: none !important; }
  body { background: #fff; font-size: 12px; }
  .resume {
    box-shadow: none;
    margin: 0;
    max-width: none;
    padding: 0;
    border-radius: 0;
  }
  a { color: var(--ink); }
  .entry, .section { page-break-inside: avoid; }
  @page { margin: 14mm 14mm; }
}