:root {
  color: #111827;
  background: #ffffff;
  font-family:
    "PingFang SC",
    "Hiragino Sans GB",
    "Microsoft YaHei",
    Arial,
    sans-serif;
  font-synthesis: none;
  text-rendering: optimizeLegibility;
  -webkit-font-smoothing: antialiased;
  -moz-osx-font-smoothing: grayscale;
}

* {
  box-sizing: border-box;
}

html {
  scroll-behavior: smooth;
}

body {
  min-height: 100vh;
  margin: 0;
  background: #ffffff;
}

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

code,
pre,
kbd,
samp {
  font-family:
    "Google Sans Code",
    "PingFang SC",
    "Hiragino Sans GB",
    "Microsoft YaHei",
    Consolas,
    Menlo,
    monospace;
}

.en-type {
  font-family: "Google Sans Code", "PingFang SC", monospace;
  text-align: left;
}

.global-nav a.en-type {
  font-family: "Google Sans Code", "PingFang SC", monospace;
  font-size: 0.9rem;
  line-height: 64px;
  text-align: left;
}

.resume-toc a.en-type {
  font-family: "Google Sans Code", "PingFang SC", monospace;
  font-size: 0.84rem;
  line-height: 1.45;
  text-align: left;
}

.eyebrow.en-type {
  font-family: "Google Sans Code", "PingFang SC", monospace;
  font-size: 0.82rem;
  line-height: 1.25;
  text-align: left;
}

.action-button .en-type {
  font-family: "Google Sans Code", "PingFang SC", monospace;
  font-size: 0.9rem;
  line-height: 1.2;
  text-align: left;
}

.content-section h2.en-type {
  font-family: "Google Sans Code", "PingFang SC", monospace;
  font-size: 1.2rem;
  line-height: 1.35;
  text-align: left;
}

.project-item .item-heading h3 a.en-type {
  font-family: "Google Sans Code", "PingFang SC", monospace;
  font-size: 1.05rem;
  line-height: 1.45;
  text-align: left;
}

.project-meta span.en-type {
  font-family: "Google Sans Code", "PingFang SC", monospace;
  font-size: 0.78rem;
  line-height: 1.45;
  text-align: left;
}

.page-shell {
  width: 100%;
  min-height: 100vh;
  margin: 0;
  overflow: visible;
  border: 0;
  border-radius: 0;
  background: #ffffff;
  box-shadow: none;
}

.site-header {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 32px;
  min-height: 64px;
  padding: 0 max(28px, calc((100vw - 1020px) / 2));
  border-bottom: 1px solid #edf0f3;
  background: rgba(255, 255, 255, 0.96);
}

.brand {
  flex: none;
  font-size: 1.04rem;
  font-weight: 750;
  letter-spacing: 0;
}

.global-nav {
  display: flex;
  align-items: center;
  justify-content: flex-end;
  gap: 28px;
  min-width: 0;
  color: #6b7280;
  font-size: 0.9rem;
  font-weight: 600;
}

.global-nav a {
  line-height: 64px;
  transition: color 0.16s ease;
}

.global-nav a:hover,
.global-nav .is-active {
  color: #111827;
}

.resume-frame {
  display: grid;
  grid-template-columns: 164px minmax(0, 760px);
  gap: 34px;
  width: min(1020px, calc(100% - 72px));
  margin: 0 auto;
  padding: 54px 0 72px;
}

.resume-toc {
  position: sticky;
  top: 24px;
  align-self: start;
  padding: 8px 0 8px 18px;
  border-left: 1px solid #e5e7eb;
}

.resume-toc nav {
  display: grid;
  gap: 4px;
}

.resume-toc a {
  display: block;
  padding: 8px 0;
  color: #6b7280;
  font-size: 0.84rem;
  font-weight: 650;
  transition: color 0.16s ease, transform 0.16s ease;
}

.resume-toc a:hover {
  color: #111827;
  transform: translateX(2px);
}

.resume-main {
  min-width: 0;
}

.hero {
  display: grid;
  grid-template-columns: minmax(0, 1fr) 172px;
  align-items: center;
  gap: 76px;
  padding: 10px 0 40px;
}

.eyebrow {
  margin: 0 0 14px;
  color: #6b7280;
  font-size: 0.82rem;
  font-weight: 700;
  letter-spacing: 0;
  text-transform: uppercase;
}

.hero h1 {
  margin: 0;
  color: #0f172a;
  font-size: clamp(2.1rem, 4vw, 3.1rem);
  line-height: 1.08;
  font-weight: 780;
  letter-spacing: 0;
}

.role {
  margin: 18px 0 0;
  color: #4b5563;
  font-size: 1.17rem;
  line-height: 1.55;
  font-weight: 650;
}

.positioning {
  max-width: 35rem;
  margin: 8px 0 0;
  color: #6b7280;
  font-size: 1rem;
  line-height: 1.65;
}

.contact-lines {
  display: grid;
  gap: 9px;
  margin-top: 22px;
  color: #6b7280;
  font-size: 0.9rem;
  font-weight: 600;
}

.contact-lines a {
  display: inline-flex;
  align-items: center;
  gap: 10px;
  width: fit-content;
  transition: color 0.16s ease;
}

.contact-lines a:hover {
  color: #111827;
}

.contact-lines i {
  width: 16px;
  color: #9ca3af;
  text-align: center;
}

.avatar {
  display: grid;
  width: 150px;
  height: 150px;
  place-items: center;
  justify-self: center;
  border: 1px solid #e5e7eb;
  border-radius: 50%;
  overflow: hidden;
  background: #ffffff;
  box-shadow: 0 14px 30px rgba(15, 23, 42, 0.12);
}

.avatar img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  object-position: center;
}

.actions {
  display: flex;
  flex-wrap: wrap;
  justify-content: center;
  gap: 12px;
  padding: 0 0 32px;
}

.action-button {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 10px;
  min-height: 42px;
  padding: 0 22px;
  border: 1px solid #e5e7eb;
  border-radius: 7px;
  background: #ffffff;
  color: #374151;
  font-size: 0.9rem;
  font-weight: 700;
  transition: border-color 0.16s ease, color 0.16s ease, background-color 0.16s ease;
}

.action-button:hover {
  border-color: #cbd5e1;
  background: #f8fafc;
  color: #111827;
}

.content-section {
  padding: 34px 0 38px;
  border-top: 1px solid #e5e7eb;
}

.content-section h2 {
  margin: 0 0 20px;
  color: #0f172a;
  font-size: 1.28rem;
  line-height: 1.35;
  font-weight: 780;
  letter-spacing: 0;
}

.content-section p {
  margin: 0;
  color: #5f6875;
  font-size: 0.98rem;
  line-height: 1.78;
}

.content-section p + p {
  margin-top: 18px;
}

.timeline-item ul {
  margin: 18px 0 0;
  padding: 0 0 0 20px;
  color: #5f6875;
}

.timeline-item li {
  padding-left: 4px;
  font-size: 0.98rem;
  line-height: 1.72;
}

.timeline-item li + li {
  margin-top: 10px;
}

.item-heading {
  display: flex;
  align-items: flex-start;
  justify-content: space-between;
  gap: 24px;
}

.item-heading h3 {
  margin: 0;
  color: #111827;
  font-size: 1.02rem;
  line-height: 1.4;
  font-weight: 760;
}

.item-heading p {
  margin-top: 4px;
  color: #6b7280;
  font-size: 0.94rem;
  line-height: 1.55;
}

.item-heading span {
  flex: none;
  color: #7b8492;
  font-size: 0.88rem;
  line-height: 1.45;
  font-weight: 650;
}

.project-meta {
  display: flex;
  flex: none;
  align-items: center;
  justify-content: flex-end;
  gap: 10px;
  color: #7b8492;
  font-size: 0.88rem;
  line-height: 1.45;
  font-weight: 650;
}

.project-badge {
  display: inline-flex;
  align-items: center;
  font-family: "Google Sans Code", "PingFang SC", monospace;
  min-height: 18px;
  padding: 0 6px;
  border: 1px solid #d8dee8;
  border-radius: 999px;
  background: #f8fafc;
  color: #4b5563;
  font-size: 0.58rem;
  line-height: 1.25;
  font-weight: 700;
  white-space: nowrap;
}

.project-list {
  display: grid;
  gap: 24px;
}

.project-item {
  padding-left: 18px;
  border-left: 2px solid #e5e7eb;
}

.project-item .item-heading h3 {
  display: inline-flex;
  align-items: center;
  flex-wrap: wrap;
  gap: 8px;
  font-size: 1.14rem;
  line-height: 1.45;
  font-weight: 780;
}

.project-item h3 a {
  transition: color 0.16s ease;
}

.project-item h3 a:hover {
  color: #2563eb;
}

.project-item p {
  margin-top: 9px;
  font-size: 0.95rem;
}

.education-list {
  display: grid;
  gap: 14px;
  margin: 0;
  padding: 0;
  list-style: none;
}

.education-list li {
  display: grid;
  gap: 4px;
  color: #5f6875;
  font-size: 0.98rem;
  line-height: 1.6;
}

.education-list strong {
  color: #111827;
  font-size: 1rem;
}

@media (max-width: 860px) {
  .page-shell {
    width: 100%;
    min-height: 100vh;
    margin: 0;
  }

  .site-header {
    align-items: flex-start;
    padding: 18px 22px;
    flex-direction: column;
    gap: 12px;
  }

  .global-nav {
    width: 100%;
    justify-content: flex-start;
    gap: 18px;
    overflow-x: auto;
    padding-bottom: 2px;
  }

  .global-nav a {
    flex: none;
    line-height: 1.4;
  }

  .resume-frame {
    display: block;
    width: min(100% - 44px, 760px);
    padding: 32px 0 56px;
  }

  .resume-toc {
    position: static;
    margin-bottom: 28px;
    padding: 0 0 12px;
    border-left: 0;
    border-bottom: 1px solid #e5e7eb;
  }

  .resume-toc nav {
    display: flex;
    gap: 18px;
    overflow-x: auto;
  }

  .resume-toc a {
    flex: none;
    padding: 0 0 10px;
  }

  .resume-toc a:hover {
    transform: none;
  }

  .hero {
    grid-template-columns: 1fr;
    gap: 28px;
    padding-top: 0;
  }

  .avatar {
    width: 118px;
    height: 118px;
    justify-self: start;
    order: -1;
  }

  .actions {
    justify-content: flex-start;
  }

  .item-heading {
    display: grid;
    gap: 6px;
  }

  .item-heading span {
    white-space: normal;
  }

  .project-meta {
    justify-content: flex-start;
  }
}

@media (max-width: 520px) {
  body {
    background: #ffffff;
  }

  .resume-frame {
    width: calc(100% - 32px);
  }

  .hero h1 {
    font-size: 2.2rem;
  }

  .role {
    font-size: 1.05rem;
  }

  .positioning,
  .content-section p,
  .timeline-item li,
  .education-list li {
    font-size: 0.94rem;
  }
}