/* Minimal jemdoc-like styling (trimmed for this homepage). */

:root {
  --text: #222;
  --link: #224b8d;
  --heading: #527bbd;
  --rule: #aaaaaa;
}

body {
  background: #ffffff;
  color: var(--text);

  /* Add top whitespace so content doesn't stick to the top edge */
  margin: 0;
  padding: 28px 0 40px;

  /* Fonts: Libertine family; Times-like serif. Libertinus is a close web-available fork of Libertine/Biolinum. */
  font-family: "Libertinus Serif", "Linux Libertine", "Times New Roman", Times, serif;
  font-size: 15px;
  line-height: 1.45;
}

#layout-content {
  max-width: 900px;
  margin: 0 auto;
  padding: 0 20px;
}

a {
  color: var(--link);
  text-decoration: none;
}

a:hover {
  text-decoration: underline;
}

h1, h2, h3 {
  font-family: "Libertinus Sans", "Linux Biolinum", Helvetica, Arial, sans-serif;
  color: var(--heading);
  line-height: 1.1;
  margin: 0.9em 0 0.35em;
  padding: 0.35em 0 0.25em;
  border-bottom: 1px solid var(--rule);
}

h1 { font-size: 165%; }
h2 { font-size: 140%; }
h3 {
  font-size: 110%;
  border-bottom: none;
}

p {
  margin: 0 0 0.9em;
}

ul {
  margin: 0.2em 0 1.0em;
  padding-left: 1.2em;
  list-style-type: square;
}

li { margin: 0.35em 0; }

.site-header {
  display: flex;
  justify-content: space-between;
  align-items: flex-start;
  gap: 20px;
  margin-bottom: 18px;
}

.site-header__left{
  padding-top: 18px; 
}

.site-name {
  font-family: "Libertinus Sans", "Linux Biolinum", Helvetica, Arial, sans-serif;
  font-weight: 700;
  font-size: 32px;
  line-height: 1.1;
  margin: 0;
}

.site-contact { 
  margin-top: 12px; 
  margin-bottom: -6px;
}

.contact-icon{
  display: inline-flex;
  align-items: center;
  justify-content: center;
  width: 18px;
  height: 18px;
  color: #333;       /* same as text color */
  flex: 0 0 auto;
}

/* Only shift link icons (Scholar/DBLP), not the email icon */
.site-contact a.contact-icon{
  transform: translateY(5px);
}

.contact-icon svg{
  width: 18px;
  height: 18px;
  display: block;
}

.site-photo {
  width: 200px;
  height: auto;
  border-radius: 10px;
}

.pub-list {
  margin-top: 0.3em;
}

.service-intro{ 
  margin-bottom: 0.2em; 
}

.site-name{
  display: flex;
  align-items: baseline; 
  gap: 5px; 
  flex-wrap: wrap; 
}

.name-cn-canvas{
  display: inline-block;
  width: 86px; 
  height: 26px;
  vertical-align: baseline;
}

.site-contact.email-line{
  display: flex;
  align-items: center;
  gap: 8px;
  flex-wrap: nowrap;
  white-space: nowrap;
}

.email-canvas{
  display: block;
  width: 170px;
  height: 26px;
  cursor: pointer;
}

.copy-tip{
  margin-left: 2px;
  font-size: 0.9em;
  color: #666;
  opacity: 0;
  transition: opacity 0.15s ease;
  user-select: none;
}
.copy-tip.show{ opacity: 1; }

@media (max-width: 560px){
  .site-header{
    flex-direction: column;
    align-items: flex-start;
  }
  .site-photo{
    width: 200px;
    max-width: 100%;
  }
}