:root {
  --bg: #f5f5f0;
  --panel: #ffffff;
  --ink: #111827;
  --muted: #6b7280;
  --line: #e5e7eb;
  --accent: #111827;
  --accent-soft: #ede9fe;
  --shadow: 0 24px 80px rgba(17, 24, 39, .10);
}
* { box-sizing: border-box; }
html { scroll-behavior: smooth; }
body {
  margin: 0;
  font-family: -apple-system, BlinkMacSystemFont, "Segoe UI", "PingFang SC", "Hiragino Sans GB", "Microsoft YaHei", sans-serif;
  color: var(--ink);
  background: var(--bg);
  line-height: 1.65;
}
a { color: inherit; text-decoration: none; }
.nav {
  max-width: 1120px;
  margin: 0 auto;
  padding: 28px 24px;
  display: flex;
  justify-content: space-between;
  align-items: center;
}
.brand { font-weight: 800; letter-spacing: .04em; }
.nav-links { display: flex; gap: 22px; color: var(--muted); font-size: 14px; }
.nav-links a:hover { color: var(--ink); }
.hero {
  min-height: 92vh;
  background:
    radial-gradient(circle at 20% 10%, rgba(196, 181, 253, .45), transparent 28%),
    radial-gradient(circle at 80% 0%, rgba(254, 202, 202, .55), transparent 28%),
    linear-gradient(180deg, #fff 0%, var(--bg) 100%);
}
.hero-grid {
  max-width: 1120px;
  margin: 0 auto;
  padding: 80px 24px 96px;
  display: grid;
  grid-template-columns: minmax(0, 1.3fr) 380px;
  gap: 56px;
  align-items: center;
}
.eyebrow, .section-kicker {
  margin: 0 0 14px;
  color: var(--muted);
  text-transform: uppercase;
  letter-spacing: .14em;
  font-size: 12px;
  font-weight: 700;
}
h1, h2, h3, p { margin-top: 0; }
h1 {
  max-width: 780px;
  font-size: clamp(40px, 6vw, 72px);
  line-height: 1.05;
  letter-spacing: -.06em;
  margin-bottom: 24px;
}
h2 { font-size: clamp(28px, 3vw, 42px); line-height: 1.15; letter-spacing: -.04em; }
h3 { font-size: 20px; line-height: 1.35; }
.intro { max-width: 760px; color: #374151; font-size: 18px; }
.hero-actions { display: flex; gap: 14px; margin-top: 34px; flex-wrap: wrap; }
.button {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  border-radius: 999px;
  padding: 13px 22px;
  font-weight: 700;
  border: 1px solid var(--ink);
}
.button.primary { background: var(--ink); color: #fff; }
.button.secondary { background: rgba(255,255,255,.55); }
.profile-card {
  background: rgba(255,255,255,.82);
  backdrop-filter: blur(20px);
  border: 1px solid rgba(255,255,255,.8);
  border-radius: 32px;
  padding: 30px;
  box-shadow: var(--shadow);
}
.avatar {
  width: 128px;
  height: 128px;
  object-fit: cover;
  border-radius: 28px;
  display: block;
  margin-bottom: 22px;
  border: 4px solid #fff;
}
.profile-card h2 { margin-bottom: 4px; }
.profile-card p { color: var(--muted); }
.meta-list { list-style: none; padding: 0; margin: 24px 0 0; display: grid; gap: 14px; }
.meta-list li { display: flex; justify-content: space-between; gap: 16px; border-top: 1px solid var(--line); padding-top: 14px; }
.meta-list span { color: var(--muted); }
.meta-list strong { text-align: right; }
.section {
  max-width: 1120px;
  margin: 0 auto;
  padding: 92px 24px;
}
.stats {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 18px;
  margin-top: -56px;
  position: relative;
  z-index: 2;
}
.stat {
  background: var(--panel);
  border: 1px solid var(--line);
  border-radius: 24px;
  padding: 26px;
  box-shadow: 0 16px 50px rgba(17,24,39,.06);
}
.stat strong { display: block; font-size: 30px; letter-spacing: -.04em; }
.stat span { color: var(--muted); font-size: 14px; }
.two-col { display: grid; grid-template-columns: 280px minmax(0, 1fr); gap: 56px; align-items: start; }
.cards { display: grid; grid-template-columns: repeat(2, minmax(0, 1fr)); gap: 18px; }
.card, .timeline-item, .project-card, .quote-card {
  background: var(--panel);
  border: 1px solid var(--line);
  border-radius: 28px;
  padding: 28px;
  box-shadow: 0 16px 50px rgba(17,24,39,.04);
}
.card p, .project-card p, .quote-card p { color: #374151; margin-bottom: 0; }
.timeline { display: grid; gap: 22px; }
.time { color: var(--muted); font-weight: 700; margin-bottom: 8px; }
.muted { color: var(--muted); }
ul { padding-left: 1.2em; margin-bottom: 0; }
li { margin: 8px 0; }
.project-list { display: grid; gap: 22px; }
.project-head { display: flex; justify-content: space-between; gap: 20px; align-items: baseline; }
.project-head span { color: var(--muted); white-space: nowrap; }
.tags { display: flex; gap: 10px; flex-wrap: wrap; margin: 20px 0; }
.tags span { background: #f3f4f6; border: 1px solid var(--line); border-radius: 999px; padding: 5px 12px; font-size: 13px; color: #374151; }
.quote-card { background: #111827; color: #fff; }
.quote-card p { color: #f9fafb; font-size: 22px; line-height: 1.7; }
.footer {
  max-width: 1120px;
  margin: 0 auto 40px;
  padding: 64px 24px;
  background: #111827;
  color: #fff;
  border-radius: 36px;
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 48px;
}
.footer .section-kicker { color: #d1d5db; }
.contact-grid { display: grid; gap: 12px; }
.contact-grid a, .contact-grid span { color: #f9fafb; border-bottom: 1px solid rgba(255,255,255,.16); padding-bottom: 12px; }
@media (max-width: 900px) {
  .hero-grid, .two-col, .footer { grid-template-columns: 1fr; }
  .stats { grid-template-columns: repeat(2, 1fr); }
  .hero-grid { padding-top: 40px; }
}
@media (max-width: 620px) {
  .nav { align-items: flex-start; gap: 18px; }
  .nav-links { flex-wrap: wrap; justify-content: flex-end; }
  .stats, .cards { grid-template-columns: 1fr; }
  .project-head { display: block; }
  .section { padding: 68px 20px; }
  .hero-grid { padding-left: 20px; padding-right: 20px; }
  .footer { border-radius: 0; margin-bottom: 0; }
}
@media print {
  .nav, .hero-actions { display: none; }
  body { background: #fff; }
  .hero { min-height: auto; }
  .section, .hero-grid { padding: 24px; }
  .profile-card, .card, .timeline-item, .project-card, .stat { box-shadow: none; }
}