:root {
  --bg: #f7f5ef;
  --bg-soft: #ece7de;
  --panel: rgba(255, 255, 255, 0.86);
  --panel-strong: rgba(255, 255, 255, 0.94);
  --text: #18202a;
  --muted: #5c6572;
  --line: rgba(98, 79, 44, 0.14);
  --gold: #ae8647;
  --gold-deep: #8b6832;
  --teal: #6ba0a6;
  --shadow: 0 24px 60px rgba(77, 67, 48, 0.12);
  --radius-lg: 28px;
  --radius-md: 20px;
  --content-width: min(1180px, calc(100% - 2rem));
}

* {
  box-sizing: border-box;
}

html {
  scroll-behavior: smooth;
}

body {
  margin: 0;
  min-height: 100vh;
  font-family: "Times New Roman", Times, serif;
  color: var(--text);
  background:
    radial-gradient(circle at top left, rgba(107, 160, 166, 0.16), transparent 28%),
    radial-gradient(circle at 85% 15%, rgba(174, 134, 71, 0.14), transparent 24%),
    linear-gradient(180deg, #fbfaf7 0%, #f7f5ef 45%, #f3efe7 100%);
  overflow-x: hidden;
}

body[data-lang="zhHant"] {
  font-family: "Songti TC", "Noto Serif TC", "PingFang TC", "PMingLiU", serif;
}

body[data-lang="zhHans"] {
  font-family: "Songti SC", "Noto Serif SC", "PingFang SC", "STSong", serif;
}

a {
  color: inherit;
}

img {
  display: block;
  max-width: 100%;
}

.aurora,
.grid-overlay {
  position: fixed;
  inset: 0;
  pointer-events: none;
}

.aurora {
  z-index: -3;
  filter: blur(38px);
  opacity: 0.75;
}

.aurora-left {
  background: radial-gradient(circle at 12% 22%, rgba(174, 134, 71, 0.14), transparent 26%);
  animation: float-left 13s ease-in-out infinite alternate;
}

.aurora-right {
  background: radial-gradient(circle at 82% 12%, rgba(107, 160, 166, 0.12), transparent 24%);
  animation: float-right 15s ease-in-out infinite alternate;
}

.grid-overlay {
  z-index: -2;
  opacity: 0.18;
  background-image:
    linear-gradient(rgba(24, 32, 42, 0.05) 1px, transparent 1px),
    linear-gradient(90deg, rgba(24, 32, 42, 0.05) 1px, transparent 1px);
  background-size: 44px 44px;
  mask-image: linear-gradient(180deg, rgba(0, 0, 0, 0.58), transparent 85%);
}

.topbar,
main,
.footer {
  width: var(--content-width);
  margin-inline: auto;
}

.topbar {
  margin-top: 1.2rem;
  padding: 0.95rem 1.15rem;
  position: sticky;
  top: 1rem;
  z-index: 10;
  display: flex;
  justify-content: space-between;
  align-items: center;
  gap: 1rem;
  border: 1px solid var(--line);
  border-radius: 999px;
  background: rgba(255, 255, 255, 0.78);
  backdrop-filter: blur(20px);
  box-shadow: 0 18px 42px rgba(77, 67, 48, 0.1);
}

.topbar-actions {
  display: flex;
  align-items: center;
  gap: 0.85rem;
}

.brand {
  display: inline-flex;
  align-items: center;
  gap: 0.8rem;
  text-decoration: none;
}

.brand-mark {
  width: 2.35rem;
  height: 2.35rem;
  border-radius: 999px;
  display: grid;
  place-items: center;
  font-weight: 800;
  font-size: 0.85rem;
  color: #ffffff;
  background: linear-gradient(140deg, #c7a160, #8b6832);
}

.brand-text {
  font-size: 0.9rem;
  font-weight: 700;
  letter-spacing: 0.04em;
  text-transform: uppercase;
}

.name-native {
  font-weight: 600;
  color: var(--muted);
  letter-spacing: 0.02em;
  text-transform: none;
}

nav {
  display: flex;
  gap: 1.15rem;
  flex-wrap: wrap;
  justify-content: flex-end;
}

nav a {
  color: var(--muted);
  text-decoration: none;
  font-size: 0.88rem;
  font-weight: 600;
  transition: color 180ms ease;
}

nav a:hover {
  color: var(--text);
}

.lang-switcher {
  display: inline-flex;
  align-items: center;
  gap: 0.35rem;
  padding: 0.28rem;
  border: 1px solid rgba(174, 134, 71, 0.2);
  border-radius: 999px;
  background: rgba(255, 255, 255, 0.72);
}

.lang-button {
  border: 0;
  border-radius: 999px;
  background: transparent;
  color: var(--muted);
  min-height: 36px;
  min-width: 64px;
  padding: 0.4rem 0.8rem;
  font: inherit;
  font-size: 0.8rem;
  font-weight: 700;
  letter-spacing: 0.06em;
  cursor: pointer;
  transition:
    transform 180ms ease,
    background 180ms ease,
    color 180ms ease,
    box-shadow 180ms ease;
}

.lang-button:hover {
  transform: translateY(-1px);
  color: var(--text);
}

.lang-button.is-active {
  color: #ffffff;
  background: linear-gradient(135deg, #c59b58, #8b6832);
  box-shadow: 0 10px 22px rgba(171, 132, 68, 0.18);
}

main {
  padding-top: 4.4rem;
}

.hero {
  display: block;
  max-width: 980px;
  margin-inline: auto;
}

.hero-copy,
.panel,
.card,
.timeline-item,
.skill-card,
.contact-panel,
.footer {
  border: 1px solid var(--line);
  border-radius: var(--radius-lg);
  background:
    linear-gradient(180deg, rgba(255, 255, 255, 0.82), rgba(255, 255, 255, 0.6)),
    var(--panel);
  box-shadow: var(--shadow);
  backdrop-filter: blur(18px);
}

.hero-copy {
  padding: clamp(1.6rem, 4vw, 3.2rem);
  display: grid;
  gap: 1rem;
}

.hero-topline,
.hero-main,
.hero-side,
.hero-bottom,
.hero-cta {
  display: grid;
  gap: 1rem;
}

.hero-topline {
  grid-template-columns: 1fr;
  justify-items: start;
  gap: 0;
}

.hero-status,
.hero-note-label {
  margin: 0;
  font-size: 0.74rem;
  letter-spacing: 0.12em;
  text-transform: uppercase;
  font-weight: 700;
  color: var(--muted);
}

.hero-status {
  max-width: 44ch;
  line-height: 1.35;
  margin-top: 0.35rem;
}

.hero-main {
  grid-template-columns: minmax(0, 1.2fr) minmax(340px, 0.8fr);
  align-items: start;
  margin-top: 0.35rem;
  gap: 1.6rem;
}

.hero-title-block {
  display: grid;
  gap: 0.4rem;
  align-content: start;
  max-width: 700px;
}

.hero-nameplate {
  margin: 0 0 0.15rem;
  color: var(--gold-deep);
  font-size: 0.82rem;
  font-weight: 800;
  letter-spacing: 0.12em;
  text-transform: uppercase;
}

.hero-side {
  align-content: start;
  gap: 0.9rem;
  min-width: 0;
}

.hero-divider {
  height: 1px;
  margin: 1.1rem 0;
  background: linear-gradient(90deg, rgba(174, 134, 71, 0.42), rgba(174, 134, 71, 0.08) 58%, transparent);
}

.hero-bottom {
  grid-template-columns: 1fr;
  justify-items: center;
  align-items: center;
  gap: 1rem;
}

.hero-note {
  padding: 1rem 1.05rem;
  border: 1px solid var(--line);
  border-radius: var(--radius-md);
  background: rgba(255, 255, 255, 0.68);
  overflow: hidden;
}

.hero-note p:last-child {
  margin: 0.55rem 0 0;
  color: var(--text);
  line-height: 1.5;
  font-size: 1.08rem;
}

.eyebrow,
.section-kicker,
.card-meta,
.impact-tag {
  letter-spacing: 0.14em;
  text-transform: uppercase;
  font-weight: 800;
  font-size: 0.75rem;
}

.eyebrow,
.section-kicker {
  color: var(--gold);
  margin: 0 0 0.9rem;
}

h1,
h2,
h3 {
  margin: 0;
  line-height: 1.06;
}

h1 {
  max-width: 20ch;
  font-size: clamp(1.85rem, 2.15vw, 2.65rem);
  letter-spacing: -0.01em;
  line-height: 1.14;
  text-wrap: balance;
}

.hero-line {
  display: block;
  white-space: normal;
}

h2 {
  font-size: clamp(2rem, 4vw, 3.4rem);
  letter-spacing: -0.025em;
}

h3 {
  font-size: 1.15rem;
}

.intro,
.hero-summary,
.panel p,
.card p,
.timeline-item p,
.skill-card p,
.contact-panel p,
.identity-card p,
.identity-list,
.detail-list {
  color: var(--muted);
  line-height: 1.76;
}

.intro {
  max-width: 68ch;
  margin: 0;
  font-size: 0.94rem;
  line-height: 1.58;
}

.hero-summary {
  max-width: 40ch;
  margin: 0;
  font-size: 0.9rem;
  line-height: 1.58;
}

.hero-actions,
.contact-actions {
  display: flex;
  flex-wrap: wrap;
  gap: 0.85rem;
  margin-top: 0;
}

.hero-cta {
  justify-items: center;
  text-align: center;
}

.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  min-height: 48px;
  padding: 0.8rem 1.2rem;
  border-radius: 999px;
  text-decoration: none;
  font-size: 0.92rem;
  font-weight: 700;
  transition:
    transform 180ms ease,
    box-shadow 180ms ease,
    background 180ms ease,
    border-color 180ms ease;
}

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

.btn-primary {
  color: #ffffff;
  background: linear-gradient(135deg, #c59b58, #8b6832);
  box-shadow: 0 14px 28px rgba(171, 132, 68, 0.2);
}

.btn-secondary {
  color: var(--text);
  border: 1px solid rgba(174, 134, 71, 0.24);
  background: rgba(255, 255, 255, 0.72);
}

.capability-list > div {
  border: 1px solid var(--line);
  border-radius: var(--radius-md);
  background: rgba(255, 255, 255, 0.72);
}

.hero-metrics {
  display: grid;
  grid-template-columns: repeat(3, minmax(0, 1fr));
  gap: 0.9rem;
  margin-top: 0;
  width: min(760px, 100%);
}

.hero-metrics article,
.identity-card,
.capability-list > div {
  border: 1px solid var(--line);
  border-radius: var(--radius-md);
  background: rgba(255, 255, 255, 0.72);
}

.hero-metrics article {
  padding: 1rem;
  min-height: 92px;
}

.hero-identity {
  padding: 1rem 1rem 1.05rem;
  max-width: 100%;
  justify-self: stretch;
  overflow: hidden;
}

.metric-value {
  margin: 0;
  font-size: 1.1rem;
  font-weight: 800;
  color: var(--text);
  line-height: 1.15;
}

.metric-label {
  margin: 0.3rem 0 0;
  font-size: 0.8rem;
  color: var(--muted);
  line-height: 1.3;
}

.identity-name {
  margin: 0;
  color: var(--text);
  font-size: 1.22rem;
  font-weight: 800;
  line-height: 1.25;
}

.identity-role {
  margin: 0.2rem 0 0;
  font-size: 1.1rem;
  color: var(--text);
  line-height: 1.35;
}

.identity-list {
  margin: 0.9rem 0 0;
  padding-left: 1.1rem;
  color: var(--text);
  font-size: 1.1rem;
  line-height: 1.7;
}

section {
  margin-top: 2rem;
}

.section-grid {
  display: grid;
  grid-template-columns: minmax(0, 1.12fr) minmax(0, 0.88fr);
  gap: 1rem;
}

.panel,
.contact-panel {
  padding: 1.5rem;
}

.section-heading {
  margin-bottom: 1rem;
}

.cards.two-up,
.skill-grid {
  display: grid;
  gap: 1rem;
}

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

.card,
.skill-card {
  padding: 1.3rem;
}

.card-meta {
  margin: 0 0 0.55rem;
  color: var(--gold);
}

.card-lead {
  color: var(--text);
  font-weight: 700;
}

.capability-list {
  display: grid;
  gap: 0.85rem;
  margin-top: 1rem;
}

.capability-list > div {
  padding: 1rem;
}

.capability-list h3 {
  margin-bottom: 0.4rem;
}

.timeline {
  display: grid;
  gap: 1rem;
}

.timeline-item {
  padding: 1.35rem;
  position: relative;
  overflow: hidden;
}

.timeline-item::before {
  content: "";
  position: absolute;
  inset: 0 auto 0 0;
  width: 3px;
  background: linear-gradient(180deg, rgba(174, 134, 71, 0.82), rgba(107, 160, 166, 0.56));
}

.timeline-head {
  display: flex;
  justify-content: space-between;
  gap: 1rem;
  align-items: flex-start;
}

.company {
  margin-top: 0.45rem;
  color: var(--text);
  font-weight: 700;
}

.impact-tag {
  margin: 0;
  padding: 0.55rem 0.7rem;
  color: #ffffff;
  border-radius: 999px;
  background: linear-gradient(135deg, #7ea9ae, #b08a4d);
  white-space: nowrap;
}

.detail-list,
.identity-list {
  margin-top: 0.9rem;
}

.detail-list {
  padding-left: 1.15rem;
}

.detail-list li,
.identity-list li {
  margin-top: 0.35rem;
}

.hero-note-label {
  color: var(--text);
  font-size: 0.86rem;
}

.skill-grid {
  grid-template-columns: repeat(3, minmax(0, 1fr));
}

.skill-card {
  min-height: 220px;
  background:
    radial-gradient(circle at top right, rgba(174, 134, 71, 0.08), transparent 34%),
    linear-gradient(180deg, rgba(255, 255, 255, 0.92), rgba(255, 255, 255, 0.72)),
    var(--panel);
}

.contact-panel {
  display: flex;
  justify-content: space-between;
  align-items: center;
  gap: 1rem;
}

.contact-note {
  margin-top: 0.8rem;
}

.footer {
  margin-top: 1.4rem;
  margin-bottom: 2rem;
  padding: 1.2rem;
  text-align: center;
}

.footer p {
  margin: 0.24rem 0;
  color: var(--muted);
}

.reveal {
  opacity: 0;
  transform: translateY(20px);
  transition:
    opacity 680ms ease,
    transform 680ms ease;
}

.reveal.visible {
  opacity: 1;
  transform: translateY(0);
}

@keyframes float-left {
  from {
    transform: translate3d(-22px, 0, 0) scale(1);
  }
  to {
    transform: translate3d(30px, 28px, 0) scale(1.06);
  }
}

@keyframes float-right {
  from {
    transform: translate3d(0, -10px, 0) scale(1);
  }
  to {
    transform: translate3d(-28px, 26px, 0) scale(1.08);
  }
}

@media (max-width: 1040px) {
  .hero,
  .section-grid,
  .skill-grid,
  .cards.two-up,
  .contact-panel {
    grid-template-columns: 1fr;
  }

  .contact-panel {
    display: grid;
  }

  .hero-topline,
  .hero-main,
  .hero-bottom {
    grid-template-columns: 1fr;
  }

  .hero-line {
    white-space: normal;
  }

  .hero-identity {
    justify-self: start;
    max-width: 100%;
  }
}

@media (max-width: 780px) {
  .topbar {
    border-radius: 26px;
    justify-content: center;
    text-align: center;
  }

  .topbar-actions {
    flex-direction: column;
  }

  nav {
    justify-content: center;
  }

  main {
    padding-top: 3.5rem;
  }

  .hero-metrics {
    grid-template-columns: 1fr;
  }

  .timeline-head {
    flex-direction: column;
  }

  .impact-tag {
    white-space: normal;
  }
}

@media (max-width: 560px) {
  :root {
    --content-width: min(100% - 1rem, 100%);
  }

  .topbar,
  main,
  .footer {
    width: calc(100% - 1rem);
  }

  .hero-copy,
  .panel,
  .card,
  .timeline-item,
  .skill-card,
  .contact-panel {
    padding: 1.15rem;
  }

  h1 {
    font-size: 2.1rem;
  }

  h2 {
    font-size: 2.1rem;
  }

}