:root {
  --bg: #f5f7f8;
  --surface: #ffffff;
  --surface-muted: #eaf0ef;
  --ink: #15211f;
  --muted: #5e6b68;
  --line: #d7e0de;
  --teal: #0f766e;
  --teal-dark: #124c47;
  --amber: #b7791f;
  --red: #b42318;
  --shadow: 0 18px 45px rgba(16, 32, 29, 0.1);
  --radius: 8px;
}

* {
  box-sizing: border-box;
}

html {
  scroll-behavior: smooth;
}

body {
  margin: 0;
  color: var(--ink);
  background: var(--bg);
  font-family: "Inter", "Microsoft YaHei", "PingFang SC", Arial, sans-serif;
  line-height: 1.65;
}

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

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

.site-header {
  position: sticky;
  top: 0;
  z-index: 20;
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 24px;
  padding: 14px clamp(18px, 4vw, 56px);
  background: rgba(245, 247, 248, 0.92);
  border-bottom: 1px solid var(--line);
  backdrop-filter: blur(14px);
}

.brand,
.site-nav {
  display: flex;
  align-items: center;
}

.brand {
  gap: 10px;
  font-weight: 800;
}

.brand-mark {
  display: grid;
  width: 36px;
  height: 36px;
  place-items: center;
  border-radius: 50%;
  color: #fff;
  background: var(--teal-dark);
  font-size: 13px;
  letter-spacing: 0;
}

.site-nav {
  position: fixed;
  left: clamp(24px, 2.6vw, 44px);
  top: 50%;
  z-index: 18;
  flex-direction: column;
  align-items: stretch;
  gap: 6px;
  min-width: 146px;
  padding: 14px;
  transform: translateY(-50%);
  color: var(--muted);
  background: rgba(255, 255, 255, 0.9);
  border: 1px solid var(--line);
  border-radius: var(--radius);
  box-shadow: var(--shadow);
  backdrop-filter: blur(16px);
  font-size: 14px;
}

.site-nav a {
  padding: 9px 11px;
  border-radius: 6px;
  border-bottom: 0;
}

.site-nav a:hover,
.site-nav a.active {
  color: var(--teal-dark);
  background: #e0f2ef;
}

.nav-toggle {
  display: none;
  border: 1px solid var(--line);
  border-radius: var(--radius);
  background: var(--surface);
  color: var(--ink);
  padding: 8px 12px;
}

.section,
.section-band {
  padding: clamp(56px, 8vw, 104px) clamp(18px, 5vw, 72px) clamp(56px, 8vw, 104px)
    clamp(202px, 17vw, 258px);
}

.section {
  max-width: 1180px;
  margin: 0 auto;
}

.section-band {
  max-width: 1280px;
  margin: 0 auto;
}

.muted {
  max-width: none;
  background: var(--surface-muted);
}

.muted > * {
  max-width: 1180px;
  margin-left: auto;
  margin-right: auto;
}

.hero {
  display: grid;
  grid-template-columns: minmax(0, 1.25fr) minmax(380px, 0.75fr);
  gap: clamp(28px, 5vw, 64px);
  align-items: center;
  min-height: calc(100vh - 66px);
}

.hero-copy h1 {
  margin: 6px 0 18px;
  font-size: clamp(48px, 9vw, 96px);
  line-height: 0.95;
  letter-spacing: 0;
}

.hero-lead {
  max-width: 760px;
  margin: 0;
  color: var(--muted);
  font-size: clamp(17px, 2vw, 21px);
}

.eyebrow {
  margin: 0 0 10px;
  color: var(--teal);
  font-size: 13px;
  font-weight: 800;
  letter-spacing: 0.08em;
  text-transform: uppercase;
}

.hero-actions,
.section-heading .button {
  margin-top: 28px;
}

.button {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  min-height: 44px;
  padding: 10px 18px;
  border-radius: var(--radius);
  border: 1px solid transparent;
  font-weight: 700;
}

.button.primary {
  color: #fff;
  background: var(--teal-dark);
}

.button.secondary {
  color: var(--teal-dark);
  background: var(--surface);
  border-color: var(--line);
}

.hero-actions {
  display: flex;
  flex-wrap: wrap;
  gap: 12px;
}

.hero-panel,
.info-block,
.experience-item,
.process-step,
.contact-item {
  border: 1px solid var(--line);
  border-radius: var(--radius);
  background: var(--surface);
  box-shadow: var(--shadow);
}

.hero-panel {
  padding: 24px;
}

.portrait-card {
  display: flex;
  justify-content: center;
  padding-bottom: 22px;
  border-bottom: 1px solid var(--line);
}

.portrait-card img {
  width: 150px;
  height: 184px;
  border-radius: var(--radius);
  object-fit: cover;
  object-position: center 18%;
  border: 1px solid var(--line);
  background: #fff;
}

.panel-title {
  margin: 0 0 4px;
  color: var(--muted);
  font-size: 13px;
}

.portrait-name {
  margin: 0;
  font-size: 22px;
  font-weight: 900;
}

.quick-facts {
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  gap: 16px;
  margin: 22px 0 0;
}

.quick-facts div {
  min-width: 0;
}

.quick-facts div:last-child {
  grid-column: 1 / -1;
}

.quick-facts dt,
.contact-item span {
  color: var(--muted);
  font-size: 13px;
}

.quick-facts dd {
  margin: 4px 0 0;
  font-weight: 800;
  overflow-wrap: anywhere;
}

.section-heading {
  max-width: 760px;
  margin-bottom: 34px;
}

.section-heading h2 {
  margin: 0 0 12px;
  font-size: clamp(28px, 5vw, 48px);
  line-height: 1.12;
  letter-spacing: 0;
}

.section-heading p {
  margin: 0;
  color: var(--muted);
}

.resume-grid,
.process-grid,
.contact-grid {
  display: grid;
  grid-template-columns: repeat(3, minmax(0, 1fr));
  align-items: stretch;
  gap: 18px;
}

.resume-grid {
  grid-template-columns: minmax(0, 1.05fr) minmax(0, 0.95fr) minmax(0, 1.55fr);
}

.info-block,
.process-step,
.contact-item {
  padding: 22px;
}

.info-block {
  height: 100%;
}

.info-block h3,
.process-step h3,
.experience-item h3 {
  margin: 0 0 12px;
}

.info-block.highlight {
  border-color: rgba(183, 121, 31, 0.28);
  background: #fffaf0;
}

.timeline {
  display: grid;
  gap: 18px;
  margin: 0;
  padding: 0;
  list-style: none;
}

.timeline span,
.experience-meta span {
  display: block;
  color: var(--amber);
  font-size: 13px;
  font-weight: 800;
}

.timeline strong,
.experience-meta strong {
  display: block;
  margin: 4px 0;
}

.timeline p,
.info-block p,
.process-step p,
.experience-summary {
  margin: 0;
  color: var(--muted);
}

.tag-cloud {
  display: flex;
  flex-wrap: wrap;
  gap: 10px;
}

.tag-cloud span {
  padding: 7px 10px;
  border-radius: 999px;
  color: var(--teal-dark);
  background: #e0f2ef;
  font-size: 13px;
  font-weight: 700;
}

.text-link {
  display: inline-block;
  margin-top: 16px;
  color: var(--teal-dark);
  font-weight: 800;
}

.experience-list {
  display: grid;
  gap: 18px;
}

.experience-item {
  padding: clamp(22px, 4vw, 30px);
}

.experience-meta {
  display: flex;
  justify-content: space-between;
  gap: 16px;
  margin-bottom: 12px;
}

.experience-summary {
  font-weight: 700;
}

.experience-item ul {
  display: grid;
  gap: 8px;
  margin: 16px 0 0;
  padding-left: 20px;
  color: var(--muted);
}

.process-grid {
  grid-template-columns: repeat(4, minmax(0, 1fr));
}

.process-step span {
  display: inline-block;
  margin-bottom: 18px;
  color: var(--red);
  font-weight: 900;
}

.callout {
  margin-top: 20px;
  padding: 18px 20px;
  border-left: 4px solid var(--teal);
  border-radius: var(--radius);
  background: #edf7f4;
  color: var(--teal-dark);
}

.gallery-grid {
  display: grid;
  grid-template-columns: repeat(3, minmax(0, 1fr));
  gap: 18px;
}

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

.travel-grid {
  grid-template-columns: repeat(4, minmax(0, 1fr));
}

.gallery-card {
  overflow: hidden;
  padding: 0;
  border: 1px solid var(--line);
  border-radius: var(--radius);
  background: var(--surface);
  box-shadow: var(--shadow);
  cursor: pointer;
  color: inherit;
  font: inherit;
  text-align: left;
}

.gallery-card img {
  width: 100%;
  height: 260px;
  object-fit: cover;
  background: #dfe7e5;
}

.proof-grid .gallery-card img {
  height: 230px;
  object-fit: contain;
  padding: 12px;
}

.gallery-card p {
  margin: 0;
  padding: 12px 14px 14px;
  color: var(--muted);
  font-size: 14px;
}

.contact-section {
  padding-bottom: 80px;
}

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

.contact-item {
  display: grid;
  gap: 8px;
}

.contact-item strong {
  overflow-wrap: anywhere;
}

.site-footer {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 18px;
  padding: 24px clamp(18px, 5vw, 72px);
  color: var(--muted);
  border-top: 1px solid var(--line);
}

.site-footer a {
  color: var(--teal-dark);
  font-weight: 800;
}

.lightbox {
  position: fixed;
  inset: 0;
  z-index: 50;
  display: none;
  align-items: center;
  justify-content: center;
  padding: 72px 22px 28px;
  background: rgba(10, 18, 17, 0.86);
}

.lightbox.open {
  display: flex;
}

.lightbox img {
  max-width: min(1100px, 92vw);
  max-height: 78vh;
  border-radius: var(--radius);
  background: #fff;
}

.lightbox p {
  position: absolute;
  bottom: 18px;
  left: 50%;
  transform: translateX(-50%);
  margin: 0;
  color: #fff;
  text-align: center;
}

.lightbox-close {
  position: absolute;
  top: 18px;
  right: 22px;
  border: 1px solid rgba(255, 255, 255, 0.35);
  border-radius: var(--radius);
  padding: 10px 14px;
  color: #fff;
  background: rgba(255, 255, 255, 0.08);
  cursor: pointer;
}

@media (max-width: 980px) {
  .hero,
  .resume-grid,
  .process-grid,
  .contact-grid {
    grid-template-columns: 1fr;
  }

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

  .experience-meta {
    display: block;
  }

  .site-nav {
    left: 16px;
    min-width: 126px;
  }

  .section,
  .section-band {
    padding-left: clamp(164px, 19vw, 210px);
  }
}

@media (max-width: 720px) {
  .section,
  .section-band {
    padding: clamp(46px, 9vw, 76px) 18px;
  }

  .nav-toggle {
    display: inline-flex;
  }

  .site-nav {
    position: fixed;
    top: 65px;
    left: 0;
    right: 0;
    transform: none;
    display: none;
    flex-direction: column;
    align-items: stretch;
    gap: 0;
    min-width: 0;
    padding: 8px 18px 14px;
    background: var(--surface);
    border-bottom: 1px solid var(--line);
    border-left: 0;
    border-right: 0;
    border-radius: 0;
    box-shadow: none;
  }

  .site-nav.open {
    display: flex;
  }

  .site-nav a {
    padding: 12px 0;
  }

  .hero {
    min-height: auto;
    padding-top: 48px;
  }

  .quick-facts,
  .gallery-grid,
  .proof-grid,
  .travel-grid {
    grid-template-columns: 1fr;
  }

  .gallery-card img,
  .proof-grid .gallery-card img {
    height: auto;
    max-height: 520px;
  }

  .site-footer {
    display: block;
  }
}