:root {
  color-scheme: light;
  --bg: #edf2f8;
  --panel: rgba(255, 255, 255, 0.88);
  --ink: #182235;
  --muted: #667085;
  --brand: #1f6feb;
  --brand-dark: #174ea6;
  --line: rgba(24, 34, 53, 0.1);
  --shadow: 0 24px 70px rgba(31, 64, 116, 0.15);
}

* { box-sizing: border-box; }

body {
  margin: 0;
  font-family: -apple-system, BlinkMacSystemFont, "Segoe UI", "PingFang SC", "Microsoft YaHei", sans-serif;
  color: var(--ink);
  background:
    radial-gradient(circle at top left, rgba(31, 111, 235, 0.24), transparent 32rem),
    linear-gradient(135deg, #f8fbff 0%, var(--bg) 48%, #e8eef8 100%);
  line-height: 1.7;
}

a { color: inherit; text-decoration: none; }

.page {
  width: min(1180px, calc(100% - 40px));
  margin: 0 auto;
  padding: 48px 0;
}

.hero {
  display: grid;
  grid-template-columns: minmax(0, 1fr) 340px;
  gap: 28px;
  align-items: stretch;
  margin-bottom: 24px;
}

.hero-content, .contact-card, .card, .metric {
  background: var(--panel);
  border: 1px solid rgba(255, 255, 255, 0.72);
  border-radius: 28px;
  box-shadow: var(--shadow);
  backdrop-filter: blur(18px);
}

.hero-content { padding: 56px; }

.eyebrow {
  margin: 0 0 12px;
  color: var(--brand);
  font-size: 13px;
  font-weight: 800;
  letter-spacing: 0.18em;
  text-transform: uppercase;
}

h1 {
  margin: 0;
  font-size: clamp(46px, 8vw, 82px);
  line-height: 1;
  letter-spacing: -0.06em;
}

.headline {
  margin: 18px 0 0;
  color: #344054;
  font-size: clamp(20px, 2.6vw, 30px);
  font-weight: 700;
}

.summary {
  max-width: 760px;
  margin: 22px 0 0;
  color: var(--muted);
  font-size: 18px;
}

.actions { display: flex; flex-wrap: wrap; gap: 14px; margin-top: 34px; }

.button {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  min-height: 46px;
  padding: 0 22px;
  border: 1px solid var(--line);
  border-radius: 999px;
  background: #fff;
  font-weight: 800;
}

.button.primary {
  color: #fff;
  background: linear-gradient(135deg, var(--brand), var(--brand-dark));
  border-color: transparent;
}

.contact-card {
  display: grid;
  gap: 14px;
  padding: 32px;
}

.contact-card div {
  padding: 18px;
  border-radius: 20px;
  background: rgba(31, 111, 235, 0.08);
}

.contact-card span, .edu em { display: block; color: var(--muted); font-size: 13px; font-style: normal; }
.contact-card strong { display: block; margin-top: 4px; font-size: 18px; word-break: break-all; }

.metrics {
  display: grid;
  grid-template-columns: repeat(4, minmax(0, 1fr));
  gap: 16px;
  margin-bottom: 24px;
}

.metric { padding: 24px; }
.metric strong { display: block; color: var(--brand); font-size: 32px; line-height: 1; }
.metric span { display: block; margin-top: 10px; color: var(--muted); font-weight: 700; }

.content-grid {
  display: grid;
  grid-template-columns: minmax(0, 1fr) 360px;
  gap: 24px;
  align-items: start;
}

.side-stack { display: grid; gap: 24px; }
.card { padding: 30px; }
.card h2 { margin: 0 0 20px; font-size: 24px; letter-spacing: -0.03em; }

.job + .job { margin-top: 34px; padding-top: 34px; border-top: 1px solid var(--line); }
.job header { display: flex; justify-content: space-between; gap: 20px; margin-bottom: 18px; }
.job h3 { margin: 0; font-size: 26px; }
.job header p { margin: 4px 0 0; color: var(--brand); font-weight: 800; }
.job time { color: var(--muted); white-space: nowrap; }

.project { padding: 18px 0; border-top: 1px dashed var(--line); }
.project h4 { margin: 0 0 10px; font-size: 18px; }

ul { margin: 0; padding-left: 1.15rem; color: #344054; }
li + li { margin-top: 8px; }

.tags { display: flex; flex-wrap: wrap; gap: 10px; }
.tag {
  padding: 8px 12px;
  border-radius: 999px;
  background: rgba(31, 111, 235, 0.1);
  color: var(--brand-dark);
  font-weight: 800;
  font-size: 14px;
}

.education-list { display: grid; gap: 14px; }
.edu { padding-left: 16px; border-left: 3px solid var(--brand); }
.edu strong, .edu span { display: block; }
.edu span { color: #344054; }

@media (max-width: 920px) {
  .hero, .content-grid { grid-template-columns: 1fr; }
  .metrics { grid-template-columns: repeat(2, minmax(0, 1fr)); }
  .hero-content { padding: 34px; }
}

@media (max-width: 560px) {
  .page { width: min(100% - 24px, 1180px); padding: 24px 0; }
  .metrics { grid-template-columns: 1fr; }
  .job header { display: block; }
  .job time { display: block; margin-top: 8px; }
}