:root {
  --bg: #0a0b0d;
  --surface: #111317;
  --text: #f2f0e9;
  --muted: #9a9b9c;
  --line: #2d3035;
  --accent: #d3a85f;
  --accent-soft: rgba(211, 168, 95, 0.12);
}

* { box-sizing: border-box; }
html { scroll-behavior: smooth; }

body {
  margin: 0;
  background:
    radial-gradient(circle at 78% 8%, rgba(211, 168, 95, 0.08), transparent 28rem),
    var(--bg);
  color: var(--text);
  font-family: "Microsoft YaHei", "PingFang SC", "Noto Sans CJK SC", Arial, sans-serif;
  font-size: 17px;
  line-height: 1.7;
}

a { color: inherit; text-decoration: none; }
main { width: min(1220px, calc(100% - 48px)); margin: 0 auto; }

.topbar {
  min-height: 72px;
  display: flex;
  align-items: center;
  justify-content: space-between;
  border-bottom: 1px solid var(--line);
  font: 14px Consolas, "Courier New", monospace;
  letter-spacing: 0.12em;
}

.signal::before {
  content: "";
  display: inline-block;
  width: 7px;
  height: 7px;
  margin-right: 12px;
  border-radius: 50%;
  background: var(--accent);
  box-shadow: 0 0 16px var(--accent);
}

nav { display: flex; gap: 28px; }
nav a { color: var(--muted); transition: color 180ms ease; }
nav a:hover, nav a:focus-visible { color: var(--text); }

.hero {
  min-height: 680px;
  display: grid;
  grid-template-columns: 1.45fr 0.75fr;
  align-items: center;
  gap: 5vw;
  padding: 76px 0;
  border-bottom: 1px solid var(--line);
}

.eyebrow, .section-index, .card-meta, .contact > p, footer {
  font-family: Consolas, "Courier New", monospace;
  letter-spacing: 0.12em;
  text-transform: uppercase;
}

.eyebrow { margin: 0 0 24px; color: var(--accent); font-size: 14px; }
h1 { margin: 0; line-height: 0.98; }
h1 > span,
h1 small { font-size: clamp(30px, 3.2vw, 40px); }
h1 > span { display: block; letter-spacing: -0.045em; }
h1 small {
  display: block;
  max-width: 820px;
  margin-top: 18px;
  font-weight: 500;
  line-height: 1.28;
  letter-spacing: -0.035em;
}

.hero-intro { max-width: 720px; margin: 28px 0 0; color: #c4c3bd; font-size: 18px; }
.hero-actions { display: flex; align-items: center; gap: 24px; margin-top: 34px; }
.primary-button { padding: 13px 22px; border: 1px solid var(--accent); background: var(--accent); color: #17120b; font-weight: 700; }
.text-link { border-bottom: 1px solid var(--muted); color: #d8d6ce; }

.profile-card {
  position: relative;
  padding: 34px;
  border: 1px solid var(--line);
  background: linear-gradient(145deg, #15171b, #0d0f12);
}

.profile-card::before {
  content: "PROFILE / 2026";
  position: absolute;
  top: 16px;
  right: 18px;
  color: #6f7175;
  font: 14px Consolas, monospace;
  letter-spacing: 0.12em;
}

.monogram {
  width: 148px;
  height: 148px;
  display: grid;
  place-items: center;
  margin-bottom: 38px;
  border-radius: 50%;
  background: var(--accent-soft);
  border: 1px solid rgba(211, 168, 95, 0.45);
  color: var(--accent);
  font: 700 40px Consolas, monospace;
}

dl, dd { margin: 0; }
dl > div { display: grid; grid-template-columns: 110px 1fr; gap: 16px; padding: 14px 0; border-top: 1px solid var(--line); }
dt { color: var(--muted); font: 14px Consolas, monospace; letter-spacing: 0.08em; }
dd { font-size: 16px; }

.section { display: grid; grid-template-columns: 180px 1fr; gap: 58px; padding: 108px 0; border-bottom: 1px solid var(--line); }
.section-index { padding-top: 10px; color: var(--muted); font-size: 15px; }
.section-index span { display: block; margin-bottom: 4px; color: var(--accent); font-size: 28px; letter-spacing: -0.03em; }
h2 { margin: 0 0 32px; font-size: clamp(32px, 3.4vw, 42px); line-height: 1.12; letter-spacing: -0.03em; }
.lead { max-width: 880px; margin: 0 0 54px; color: #d4d3cd; font-size: 19px; }
.split { display: grid; grid-template-columns: 1fr 1fr; gap: 72px; }
h3 { margin: 0 0 18px; font-size: 22px; line-height: 1.4; }
.clean-list, .experience-card ul { margin: 0; padding-left: 20px; color: #c8c7c1; }
.clean-list li, .experience-card li { margin-bottom: 10px; }

.tags { display: flex; flex-wrap: wrap; gap: 9px; }
.tags span { padding: 7px 12px; border: 1px solid #3b3e44; border-radius: 999px; color: #c9c8c2; font: 14px Consolas, "Microsoft YaHei", monospace; }
.learning-note { margin: 20px 0 0; color: var(--muted); font-size: 16px; }
.experience-card, .project-card { border: 1px solid var(--line); background: var(--surface); }
.experience-card { padding: 42px; }
.card-meta { display: flex; justify-content: space-between; margin-bottom: 38px; color: var(--accent); font-size: 14px; }
.experience-card h3 { font-size: 24px; }
.role { margin: -8px 0 28px; color: var(--muted); }

.project-grid { display: grid; grid-template-columns: 1fr 1fr; gap: 20px; }
.project-card { min-height: 390px; padding: 34px; transition: transform 180ms ease, border-color 180ms ease; }
.project-card:hover { transform: translateY(-4px); border-color: rgba(211, 168, 95, 0.7); }
.featured-project { grid-column: 1 / -1; min-height: 320px; border-color: rgba(211, 168, 95, 0.42); }
.featured-project h3, .featured-project p { min-height: 0; }
.project-card h3 { min-height: 82px; font-size: 21px; }
.project-card p { min-height: 150px; color: #b8b8b3; font-size: 16px; }
.project-link { position: relative; display: block; cursor: pointer; }
.project-link:focus-visible { outline: 2px solid var(--accent); outline-offset: 4px; }
.project-cta { display: inline-block; margin-top: 22px; color: var(--accent); font: 14px Consolas, "Microsoft YaHei", monospace; }

.project-gallery {
  position: fixed;
  inset: 0;
  z-index: 100;
  display: none;
  align-items: flex-start;
  justify-content: center;
  padding: 4vh 24px;
  overflow-y: auto;
  background: rgba(4, 5, 7, 0.92);
  backdrop-filter: blur(12px);
}
.project-gallery:target { display: flex; }
.gallery-panel { width: min(1180px, 100%); padding: 34px; border: 1px solid var(--line); background: var(--bg); box-shadow: 0 24px 80px rgba(0, 0, 0, 0.5); }
.gallery-header { display: flex; align-items: flex-start; justify-content: space-between; gap: 30px; border-bottom: 1px solid var(--line); }
.gallery-header p { margin: 0 0 10px; color: var(--accent); font: 14px Consolas, monospace; letter-spacing: 0.12em; }
.gallery-header h2 { margin-bottom: 28px; font-size: clamp(28px, 3vw, 40px); }
.gallery-close { flex: 0 0 auto; padding: 10px 14px; border: 1px solid var(--line); color: #d8d6ce; font-size: 15px; }
.gallery-close:hover, .gallery-close:focus-visible { border-color: var(--accent); color: var(--accent); }
.gallery-intro { margin: 24px 0 30px; color: var(--muted); }
.project-proof-lead { margin: 28px 0; padding: 24px; border-left: 3px solid var(--accent); background: var(--surface); }
.project-proof-lead span, .proof-section-heading span { color: var(--accent); font: 14px Consolas, "Microsoft YaHei", monospace; letter-spacing: .08em; }
.project-proof-lead p { max-width: 920px; margin: 12px 0 0; font-size: 18px; }
.proof-grid { display: grid; grid-template-columns: repeat(3, 1fr); gap: 16px; margin-bottom: 34px; }
.proof-grid article { padding: 22px; border: 1px solid var(--line); background: var(--surface); }
.proof-grid small { color: var(--accent); font: 13px Consolas, monospace; }
.proof-grid h3 { margin: 14px 0; font-size: 19px; }
.proof-grid p, .proof-grid li { color: var(--muted); font-size: 14px; }
.proof-grid ul { margin: 0; padding-left: 18px; }
.proof-grid li + li { margin-top: 7px; }
.architecture-flow { display: flex; align-items: center; gap: 7px; flex-wrap: wrap; margin: 20px 0; }
.architecture-flow span { padding: 8px 10px; border: 1px solid #4a4d53; font-size: 13px; }
.architecture-flow b { color: var(--accent); }
.proof-section-heading { display: flex; justify-content: space-between; gap: 24px; align-items: baseline; margin: 12px 0 18px; }
.proof-section-heading p { margin: 0; color: var(--muted); font-size: 14px; }
.gallery-grid { display: grid; gap: 26px; }
.gallery-grid figure { margin: 0; padding: 12px; border: 1px solid var(--line); background: var(--surface); }
.gallery-grid img { display: block; width: 100%; height: auto; border: 1px solid #25282d; }
.gallery-grid figcaption { display: flex; justify-content: space-between; gap: 18px; padding: 14px 4px 2px; font: 14px "Microsoft YaHei", sans-serif; }
.gallery-grid figcaption strong { color: var(--accent); }
.gallery-grid figcaption span { color: var(--muted); text-align: right; }

.contact { padding: 120px 0 108px; }
.contact > p { color: var(--accent); font-size: 14px; }
.contact h2 { max-width: 920px; margin-top: 32px; }
.contact-links { display: grid; grid-template-columns: 1fr 1fr; gap: 20px; margin-top: 72px; }
.contact-links a { padding: 26px 0; border-top: 1px solid var(--line); font-size: clamp(18px, 2vw, 26px); }
.contact-links small { display: block; margin-bottom: 10px; color: var(--muted); font: 14px Consolas, monospace; letter-spacing: 0.12em; }

footer { display: flex; justify-content: space-between; padding: 30px 0 44px; border-top: 1px solid var(--line); color: var(--muted); font-size: 14px; }

@media (max-width: 880px) {
  main { width: min(100% - 32px, 680px); }
  nav { display: none; }
  .hero { min-height: auto; grid-template-columns: 1fr; gap: 70px; padding: 80px 0; }
  .profile-card { max-width: 520px; }
  .section { grid-template-columns: 1fr; gap: 28px; padding: 90px 0; }
  .section-index span { display: inline; margin-right: 12px; font-size: 24px; }
  .split, .project-grid, .contact-links { grid-template-columns: 1fr; }
  .project-card { min-height: 0; }
  .project-card h3, .project-card p { min-height: 0; }
  .gallery-panel { padding: 24px; }
  .proof-grid { grid-template-columns: 1fr; }
}

@media (max-width: 560px) {
  .topbar { font-size: 13px; }
  h1 > span, h1 small { font-size: clamp(28px, 8vw, 34px); }
  .hero-actions { align-items: flex-start; flex-direction: column; }
  .profile-card, .experience-card, .project-card { padding: 26px; }
  .project-gallery { padding: 14px; }
  .gallery-panel { padding: 18px; }
  .gallery-header { gap: 16px; }
  .gallery-header h2 { font-size: 25px; }
  .gallery-close { padding: 8px 10px; }
  dl > div { grid-template-columns: 90px 1fr; }
  footer { gap: 16px; flex-direction: column; }
}

@media (prefers-reduced-motion: reduce) {
  html { scroll-behavior: auto; }
  .project-card { transition: none; }
}