:root {
  --paper: #f4f1e9;
  --paper-deep: #ebe6dc;
  --surface: #fcfaf5;
  --ink: #17211f;
  --muted: #596561;
  --line: #d4d0c5;
  --accent: #0b6b61;
  --accent-strong: #07534b;
  --accent-soft: #d8e8e3;
  --night: #102925;
  --white: #fffdf8;
  --shadow: 0 24px 60px rgba(23, 33, 31, 0.08);
  --radius-sm: 10px;
  --radius-md: 18px;
  --radius-lg: 30px;
  --shell: min(1160px, calc(100% - 2rem));
  --section-space: clamp(5rem, 10vw, 8.5rem);
}

* {
  box-sizing: border-box;
}

html {
  scroll-behavior: smooth;
  scroll-padding-top: 7rem;
}

body {
  margin: 0;
  min-width: 320px;
  color: var(--ink);
  background: var(--paper);
  font-family: system-ui, -apple-system, BlinkMacSystemFont, "Segoe UI", "PingFang SC", "Hiragino Sans GB", "Microsoft YaHei", sans-serif;
  font-size: 1rem;
  line-height: 1.75;
  text-rendering: optimizeLegibility;
}

body::before {
  position: fixed;
  inset: 0;
  z-index: -1;
  pointer-events: none;
  content: "";
  opacity: 0.24;
  background-image:
    linear-gradient(rgba(23, 33, 31, 0.04) 1px, transparent 1px),
    linear-gradient(90deg, rgba(23, 33, 31, 0.04) 1px, transparent 1px);
  background-size: 36px 36px;
  mask-image: linear-gradient(to bottom, black, transparent 50%);
}

::selection {
  color: var(--white);
  background: var(--accent);
}

a {
  color: inherit;
  text-decoration-thickness: 0.08em;
  text-underline-offset: 0.22em;
}

a:focus-visible {
  outline: 3px solid #e5a82f;
  outline-offset: 4px;
  border-radius: 4px;
}

p,
h1,
h2,
h3,
dl,
dd {
  margin-top: 0;
}

h1,
h2,
h3 {
  line-height: 1.16;
  letter-spacing: -0.035em;
}

ul,
ol {
  margin-top: 0;
}

.shell {
  width: var(--shell);
  margin-inline: auto;
}

.skip-link {
  position: fixed;
  top: 0.75rem;
  left: 0.75rem;
  z-index: 100;
  padding: 0.75rem 1rem;
  color: var(--white);
  background: var(--accent-strong);
  border-radius: var(--radius-sm);
  transform: translateY(-150%);
  transition: transform 160ms ease;
}

.skip-link:focus {
  transform: translateY(0);
}

.site-header {
  position: sticky;
  top: 0;
  z-index: 20;
  background: rgba(244, 241, 233, 0.9);
  border-bottom: 1px solid rgba(212, 208, 197, 0.8);
  backdrop-filter: blur(18px);
}

.header-inner,
.footer-inner {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 1.5rem;
}

.header-inner {
  min-height: 5rem;
}

.brand {
  display: inline-flex;
  align-items: center;
  gap: 0.75rem;
  min-height: 44px;
  font-weight: 750;
  text-decoration: none;
  letter-spacing: -0.02em;
}

.brand-mark {
  display: grid;
  width: 2.4rem;
  height: 2.4rem;
  place-items: center;
  color: var(--white);
  background: var(--night);
  border-radius: 50%;
  font-size: 0.75rem;
  letter-spacing: 0.04em;
}

.nav-list {
  display: flex;
  align-items: center;
  gap: clamp(0.25rem, 2vw, 1.5rem);
  padding: 0;
  margin: 0;
  list-style: none;
}

.nav-list a {
  display: inline-flex;
  align-items: center;
  min-height: 44px;
  padding: 0.35rem 0.5rem;
  color: var(--muted);
  font-size: 0.92rem;
  font-weight: 650;
  text-decoration: none;
}

.nav-list a:hover {
  color: var(--accent-strong);
}

.hero {
  position: relative;
  overflow: hidden;
  padding: clamp(5.5rem, 11vw, 9.5rem) 0 clamp(5rem, 9vw, 8rem);
}

.hero::after {
  position: absolute;
  top: 8%;
  right: -12rem;
  z-index: -1;
  width: 32rem;
  height: 32rem;
  content: "";
  background: var(--accent-soft);
  border-radius: 46% 54% 63% 37% / 49% 34% 66% 51%;
  filter: blur(2px);
  transform: rotate(-10deg);
}

.hero-grid {
  display: grid;
  gap: clamp(3rem, 8vw, 7rem);
  align-items: center;
}

.eyebrow,
.section-kicker {
  margin-bottom: 1.1rem;
  color: var(--accent-strong);
  font-size: 0.76rem;
  font-weight: 800;
  letter-spacing: 0.16em;
  line-height: 1.4;
  text-transform: uppercase;
}

.hero h1 {
  max-width: 14ch;
  margin-bottom: 2rem;
  font-size: clamp(3rem, 8vw, 6.8rem);
  font-weight: 820;
}

.hero h1 span {
  color: var(--accent);
}

.hero-lead {
  max-width: 42rem;
  margin-bottom: 1.15rem;
  font-size: clamp(1.18rem, 2vw, 1.45rem);
  line-height: 1.65;
}

.hero-detail {
  max-width: 42rem;
  margin-bottom: 2.2rem;
  color: var(--muted);
}

.hero-actions {
  display: flex;
  flex-wrap: wrap;
  gap: 0.85rem;
}

.button {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  min-height: 48px;
  padding: 0.75rem 1.25rem;
  border: 1px solid var(--ink);
  border-radius: 999px;
  font-weight: 750;
  text-decoration: none;
  transition: color 160ms ease, background 160ms ease, transform 160ms ease;
}

.button:hover {
  transform: translateY(-2px);
}

.button-primary {
  color: var(--white);
  background: var(--ink);
}

.button-primary:hover {
  background: var(--accent-strong);
  border-color: var(--accent-strong);
}

.button-secondary:hover {
  color: var(--white);
  background: var(--accent);
  border-color: var(--accent);
}

.profile-card {
  position: relative;
  padding: clamp(1.5rem, 4vw, 2.3rem);
  overflow: hidden;
  background: var(--surface);
  border: 1px solid var(--line);
  border-radius: var(--radius-lg);
  box-shadow: var(--shadow);
}

.profile-card::after {
  position: absolute;
  right: -2.5rem;
  bottom: -3rem;
  width: 8rem;
  height: 8rem;
  content: "";
  border: 1.4rem solid var(--accent-soft);
  border-radius: 50%;
}

.profile-card-head {
  display: flex;
  align-items: center;
  gap: 0.65rem;
  padding-bottom: 1.2rem;
  margin-bottom: 0.25rem;
  color: var(--muted);
  border-bottom: 1px solid var(--line);
  font-size: 0.8rem;
  font-weight: 750;
  letter-spacing: 0.08em;
}

.status-dot {
  width: 0.65rem;
  height: 0.65rem;
  background: var(--accent);
  border-radius: 50%;
  box-shadow: 0 0 0 5px var(--accent-soft);
}

.profile-facts {
  margin-bottom: 1.4rem;
}

.profile-facts div {
  display: grid;
  grid-template-columns: minmax(5.5rem, 0.7fr) 1.3fr;
  gap: 1rem;
  padding: 1rem 0;
  border-bottom: 1px solid var(--line);
}

.profile-facts dt {
  color: var(--muted);
  font-size: 0.86rem;
}

.profile-facts dd {
  margin-bottom: 0;
  font-weight: 700;
}

.profile-note {
  position: relative;
  z-index: 1;
  max-width: 25rem;
  margin-bottom: 0;
  color: var(--accent-strong);
  font-size: 0.95rem;
  font-weight: 650;
}

.evidence {
  color: var(--white);
  background: var(--night);
  padding-block: clamp(4rem, 8vw, 6rem);
}

.compact-heading {
  display: grid;
  gap: 0.25rem 2rem;
  margin-bottom: 2.5rem;
}

.compact-heading .section-kicker {
  color: #86c7bd;
}

.compact-heading h2 {
  max-width: 19ch;
  margin-bottom: 0;
  font-size: clamp(1.8rem, 4vw, 3rem);
}

.evidence-grid {
  display: grid;
  gap: 1px;
  margin: 0;
  overflow: hidden;
  background: rgba(255, 255, 255, 0.16);
  border: 1px solid rgba(255, 255, 255, 0.16);
  border-radius: var(--radius-md);
}

.evidence-item {
  min-width: 0;
  padding: 1.65rem;
  background: var(--night);
}

.evidence-item dt {
  margin-bottom: 0.45rem;
  color: #a9e1d7;
  font-size: clamp(1.9rem, 4vw, 3.2rem);
  font-weight: 800;
  letter-spacing: -0.05em;
  line-height: 1;
}

.evidence-item dd {
  margin: 0;
  color: #cbd6d3;
  font-size: 0.9rem;
  line-height: 1.5;
}

.section {
  padding-block: var(--section-space);
}

.section-tinted {
  background: var(--paper-deep);
}

.section-heading {
  max-width: 42rem;
  margin-bottom: clamp(2.5rem, 6vw, 4.5rem);
}

.section-heading h2 {
  margin-bottom: 1.25rem;
  font-size: clamp(2.35rem, 6vw, 4.75rem);
}

.section-heading > p:last-child {
  margin-bottom: 0;
  color: var(--muted);
  font-size: 1.08rem;
}

.capability-grid,
.quality-grid {
  display: grid;
  gap: 1rem;
}

.capability-card {
  min-width: 0;
  padding: clamp(1.5rem, 4vw, 2.2rem);
  background: var(--surface);
  border: 1px solid var(--line);
  border-radius: var(--radius-md);
  transition: border-color 180ms ease, transform 180ms ease, box-shadow 180ms ease;
}

.capability-card:hover {
  border-color: #9cb9b3;
  box-shadow: 0 18px 40px rgba(23, 33, 31, 0.07);
  transform: translateY(-4px);
}

.card-index {
  display: block;
  margin-bottom: 2.5rem;
  color: var(--accent);
  font-size: 0.78rem;
  font-weight: 800;
  letter-spacing: 0.12em;
}

.capability-card h3,
.quality-grid h3,
.education-list h3,
.timeline h3 {
  margin-bottom: 0.85rem;
  font-size: 1.35rem;
}

.capability-card p,
.quality-grid article > p:last-child,
.education-list p {
  margin-bottom: 0;
  color: var(--muted);
}

.experience-layout {
  display: grid;
  gap: 1rem clamp(4rem, 9vw, 9rem);
}

.experience-heading {
  align-self: start;
}

.timeline {
  position: relative;
  padding: 0;
  margin: 0;
  list-style: none;
}

.timeline::before {
  position: absolute;
  top: 0.5rem;
  bottom: 1rem;
  left: 0.35rem;
  width: 1px;
  content: "";
  background: #aaa99f;
}

.timeline-item {
  position: relative;
  padding: 0 0 clamp(3.5rem, 7vw, 5.5rem) 2.5rem;
}

.timeline-item:last-child {
  padding-bottom: 0;
}

.timeline-item::before {
  position: absolute;
  top: 0.38rem;
  left: 0;
  width: 0.75rem;
  height: 0.75rem;
  content: "";
  background: var(--paper-deep);
  border: 2px solid var(--accent);
  border-radius: 50%;
}

.timeline-item article {
  min-width: 0;
}

.role-meta {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  gap: 0.65rem;
  margin-bottom: 0.9rem;
}

.role-meta time {
  color: var(--accent-strong);
  font-family: ui-monospace, SFMono-Regular, Menlo, Consolas, monospace;
  font-size: 0.8rem;
  font-weight: 750;
  letter-spacing: 0.03em;
}

.role-meta span {
  padding: 0.15rem 0.55rem;
  color: var(--accent-strong);
  background: var(--accent-soft);
  border-radius: 999px;
  font-size: 0.72rem;
  font-weight: 750;
}

.timeline h3 {
  overflow-wrap: anywhere;
}

.role-title {
  margin-bottom: 1.2rem;
  color: var(--accent-strong);
  font-weight: 750;
}

.timeline ul {
  padding-left: 1.2rem;
  margin-bottom: 0;
  color: var(--muted);
}

.timeline li + li {
  margin-top: 0.5rem;
}

.timeline article > p:last-child {
  margin-bottom: 0;
  color: var(--muted);
}

.quality-grid article {
  position: relative;
  min-width: 0;
  padding: clamp(1.5rem, 4vw, 2rem);
  overflow: hidden;
  border-top: 1px solid var(--line);
}

.quality-number {
  margin-bottom: 2.5rem;
  color: var(--accent);
  font-family: ui-monospace, SFMono-Regular, Menlo, Consolas, monospace;
  font-size: 0.9rem;
  font-weight: 800;
}

.education-section {
  padding-top: 0;
}

.education-layout {
  padding-top: clamp(4rem, 8vw, 6rem);
  border-top: 1px solid var(--line);
}

.education-list {
  display: grid;
  gap: 1rem;
}

.education-list article {
  min-width: 0;
  padding: 1.5rem;
  background: var(--surface);
  border: 1px solid var(--line);
  border-radius: var(--radius-md);
}

.education-list time {
  display: block;
  margin-bottom: 1rem;
  color: var(--accent-strong);
  font-family: ui-monospace, SFMono-Regular, Menlo, Consolas, monospace;
  font-size: 0.8rem;
  font-weight: 750;
}

.contact-section {
  padding-block: clamp(4rem, 8vw, 7rem);
  color: var(--white);
  background: var(--accent-strong);
}

.contact-inner {
  display: grid;
  gap: 2.5rem;
  align-items: end;
}

.light-kicker {
  color: #a9e1d7;
}

.contact-inner h2 {
  max-width: 18ch;
  margin-bottom: 0;
  font-size: clamp(2.3rem, 6vw, 4.8rem);
}

.contact-link {
  display: flex;
  min-width: 0;
  flex-direction: column;
  align-items: flex-start;
  gap: 0.35rem;
  padding: 1.25rem 0;
  border-top: 1px solid rgba(255, 255, 255, 0.45);
  border-bottom: 1px solid rgba(255, 255, 255, 0.45);
  text-decoration: none;
}

.contact-link span {
  color: #bfe0da;
  font-size: 0.8rem;
  font-weight: 750;
  letter-spacing: 0.1em;
}

.contact-link strong {
  max-width: 100%;
  overflow-wrap: anywhere;
  font-size: clamp(1.15rem, 3vw, 1.55rem);
}

.contact-link:hover strong {
  text-decoration: underline;
  text-underline-offset: 0.25em;
}

.site-footer {
  padding-block: 1.5rem;
  color: #cbd6d3;
  background: var(--night);
  font-size: 0.88rem;
}

.site-footer p {
  margin-bottom: 0;
}

.site-footer a {
  min-height: 44px;
  display: inline-flex;
  align-items: center;
}

@media (min-width: 700px) {
  .hero-grid {
    grid-template-columns: minmax(0, 1.35fr) minmax(19rem, 0.65fr);
  }

  .evidence-grid {
    grid-template-columns: repeat(2, minmax(0, 1fr));
  }

  .capability-grid,
  .quality-grid,
  .education-list {
    grid-template-columns: repeat(2, minmax(0, 1fr));
  }

  .compact-heading {
    grid-template-columns: minmax(7rem, 0.3fr) 1fr;
    align-items: end;
  }

  .compact-heading .section-kicker {
    margin-bottom: 0.35rem;
  }

  .contact-inner {
    grid-template-columns: minmax(0, 1.2fr) minmax(18rem, 0.8fr);
  }
}

@media (min-width: 960px) {
  .evidence-grid {
    grid-template-columns: repeat(5, minmax(0, 1fr));
  }

  .experience-layout {
    grid-template-columns: minmax(16rem, 0.7fr) minmax(0, 1.3fr);
  }

  .experience-heading {
    position: sticky;
    top: 8rem;
  }

  .quality-grid {
    grid-template-columns: repeat(6, minmax(0, 1fr));
  }

  .quality-grid article {
    grid-column: span 2;
  }

  .quality-grid article:nth-child(4) {
    grid-column: 2 / span 2;
  }

  .quality-grid article:nth-child(5) {
    grid-column: 4 / span 2;
  }
}

@media (max-width: 699px) {
  .site-header {
    position: relative;
  }

  .header-inner {
    align-items: flex-start;
    flex-direction: column;
    padding-block: 0.9rem;
  }

  .nav-list {
    width: 100%;
    flex-wrap: wrap;
    gap: 0.1rem 0.5rem;
  }

  .nav-list a {
    padding-inline: 0;
    margin-right: 0.8rem;
  }

  .hero {
    padding-top: 4.5rem;
  }

  .hero h1 br {
    display: none;
  }

  .profile-facts div {
    grid-template-columns: 1fr;
    gap: 0.25rem;
  }

  .footer-inner {
    align-items: flex-start;
    flex-direction: column;
    gap: 0.5rem;
  }
}

@media (prefers-reduced-motion: reduce) {
  html {
    scroll-behavior: auto;
  }

  *,
  *::before,
  *::after {
    scroll-behavior: auto !important;
    transition-duration: 0.01ms !important;
    animation-duration: 0.01ms !important;
    animation-iteration-count: 1 !important;
  }
}

@media print {
  .site-header,
  .hero-actions,
  .contact-section,
  .site-footer,
  .skip-link {
    display: none;
  }

  body {
    color: #000;
    background: #fff;
    font-size: 10pt;
  }

  body::before,
  .hero::after {
    display: none;
  }

  .hero,
  .section,
  .evidence,
  .education-layout {
    padding-block: 1.5rem;
  }

  .evidence {
    color: #000;
    background: #fff;
  }

  .evidence-item {
    color: #000;
    background: #fff;
    border: 1px solid #bbb;
  }

  .evidence-item dt,
  .evidence-item dd,
  .compact-heading .section-kicker {
    color: #000;
  }

  .profile-card,
  .capability-card,
  .education-list article {
    box-shadow: none;
  }

  a {
    text-decoration: none;
  }
}