/* Personal visual styling; al-folio retains layout and responsive navigation. */
:root {
  --global-theme-color: #246582;
  --personal-accent: #246582;
  --personal-line: #dce6eb;
  --personal-tint: #f3f7f9;
}
html[data-theme="dark"] {
  --global-theme-color: #85c7df;
  --personal-accent: #85c7df;
  --personal-line: #35454e;
  --personal-tint: #242e34;
}
body {
  background-image: radial-gradient(ellipse at 100% 0%, var(--personal-tint), transparent 52%);
  background-attachment: fixed;
}
#navbar {
  border-top: 3px solid var(--personal-accent);
  border-bottom: 1px solid var(--personal-line);
}
#navbar .nav-link {
  font-size: 0.92rem;
}
#navbar .nav-item.active > .nav-link {
  color: var(--personal-accent);
  font-weight: 600;
}
.post-header {
  border-left: 4px solid var(--personal-accent);
  padding-left: 1.15rem;
  margin-bottom: 1.8rem;
}
.post-title {
  letter-spacing: -0.035em;
}
.post-header .desc {
  color: var(--global-text-color-light);
  margin-bottom: 0.2rem;
}
.post article h2 {
  margin-top: 2.5rem;
  padding-bottom: 0.65rem;
  border-bottom: 1px solid var(--personal-line);
  font-size: 1.65rem;
  font-weight: 500;
  letter-spacing: -0.02em;
}
.post article h3 {
  color: var(--personal-accent);
}
.post .profile img {
  border: 5px solid var(--global-bg-color);
  border-radius: 10px;
  box-shadow: 0 4px 18px rgba(25, 65, 85, 0.12);
}
.post .experience-row {
  padding: 1.25rem 0.75rem;
  border-bottom-color: var(--personal-line);
  border-radius: 6px;
  transition: background-color 0.18s ease;
}
.post .experience-row:hover {
  background: var(--personal-tint);
}
.post .experience-heading h3 {
  color: var(--global-text-color);
}
.post .experience-heading time {
  padding: 0.18rem 0.6rem;
  border-radius: 4px;
  background: var(--personal-tint);
  font-size: 0.8rem;
}
.post .experience-logo {
  border: 1px solid var(--personal-line);
}
.publications .title {
  font-weight: 600;
}
.publications .links .btn {
  border-radius: 4px;
  border-color: var(--personal-line);
  color: var(--personal-accent);
}
.publications .links .btn:hover {
  background: var(--personal-accent);
  color: var(--global-bg-color);
}
.academic-section li::marker {
  color: var(--personal-accent);
}
.social {
  margin-top: 2.5rem;
  padding-top: 1.5rem;
  border-top: 1px solid var(--personal-line);
}
footer {
  border-top: 1px solid var(--personal-line);
}
@media (max-width: 576px) {
  .post-header {
    padding-left: 0.85rem;
  }
  .post article h2 {
    font-size: 1.45rem;
  }
  .post .experience-row {
    padding-left: 0;
    padding-right: 0;
  }
}
@media (prefers-reduced-motion: reduce) {
  .post .experience-row {
    transition: none;
  }
}

.education-section {
  clear: both;
}
#education-heading {
  scroll-margin-top: 90px;
}
.education-entry {
  padding: 1.1rem 0.75rem;
  border-bottom: 1px solid var(--personal-line);
}
.education-entry:last-child {
  border-bottom: 0;
}
.post .education-entry h3 {
  color: var(--global-text-color);
}
.education-entry .experience-heading {
  gap: 0.4rem 1rem;
}
@media (max-width: 576px) {
  .education-entry {
    padding-left: 0;
    padding-right: 0;
  }
}

.zhiqing-logo {
  overflow: hidden;
}
.zhiqing-logo img {
  transform: scale(1.65);
}