/* Extracted from index.html — block 1. */
:root {
      --ink: #263238;
      --muted: #60706f;
      --accent: #0f766e;
      --accent-dark: #0b5d56;
      --rule: #d9e1de;
      --soft: #f5f8f7;
    }

    body {
      background: #fbfcfb;
      color: var(--ink);
      font-family: "Avenir Next", Avenir, "Helvetica Neue", Helvetica, Arial, sans-serif;
      font-size: 15px;
      line-height: 1.62;
    }

    h1, h2, h3 {
      color: #173f3a;
      font-weight: 650;
    }

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

    a:hover {
      text-decoration: underline;
    }

    .gray-line {
      border-top: 1px solid var(--rule);
      margin: -8px 0 16px;
    }

    .justified-text {
      text-align: justify;
    }

    .wrapper {
      width: 920px;
    }

    header {
      width: 245px;
      color: var(--muted);
      font-size: 14px;
    }

    header h1 {
      color: #103b36;
      font-size: 30px;
      margin-bottom: 6px;
    }

    .language-switch {
      align-items: center;
      background: #fff;
      border: 1px solid var(--rule);
      border-radius: 999px;
      display: inline-flex;
      gap: 6px;
      margin: 0;
      padding: 3px 8px;
    }

    .language-switch button {
      appearance: none;
      background: transparent;
      border: 0;
      color: var(--muted);
      cursor: pointer;
      font: inherit;
      font-size: 11px;
      font-weight: 700;
      letter-spacing: 0.08em;
      padding: 0;
    }

    .language-switch button:hover,
    .language-switch button.active {
      color: var(--accent-dark);
    }

    .language-switch button:hover {
      text-decoration: underline;
    }

    .language-switch span {
      color: #a7b3b0;
      font-size: 11px;
    }

    header h3 {
      font-size: 15px;
      margin: 0;
      border-top: 1px solid var(--rule);
    }

    header h3 a {
      display: block;
      padding: 7px 0;
      color: var(--ink);
    }

    header h3 a:hover {
      color: var(--accent-dark);
      text-decoration: none;
    }

    section {
      width: 610px;
      border-left: 1px solid var(--rule);
      padding-left: 38px;
    }

    .social-row {
      display: flex;
      flex-wrap: wrap;
      gap: 4px 14px;
      justify-content: flex-start;
      margin-top: 6px;
    }

    .profile-block {
      align-items: start;
      background: linear-gradient(135deg, #fbfcfc 0%, #f6f8f8 56%, #eef3f3 100%);
      border: 1px solid var(--rule);
      border-radius: 6px;
      box-shadow: 0 5px 16px rgba(23,63,58,0.07);
      display: grid;
      grid-template-columns: 168px 1fr;
      gap: 24px;
      isolation: isolate;
      margin: 0 0 28px;
      overflow: hidden;
      padding: 16px 18px;
      position: relative;
    }

    .profile-block::before {
      background: url("udem-home.webp") center bottom / cover no-repeat;
      content: "";
      filter: saturate(0.9) contrast(0.96) brightness(1.12);
      inset: 0;
      opacity: 0.52;
      position: absolute;
      transform: scaleX(-1);
      z-index: 0;
    }

    .profile-block::after {
      background:
        linear-gradient(90deg, #f7f9f9 0%, rgba(247,249,249,0.99) 43%, rgba(247,249,249,0.87) 62%, rgba(247,249,249,0.22) 100%),
        linear-gradient(180deg, rgba(247,249,249,0.2), rgba(247,249,249,0));
      content: "";
      inset: 0;
      position: absolute;
      z-index: 0;
    }

    .profile-block > * {
      position: relative;
      z-index: 1;
    }

    .profile-block .language-switch {
      position: absolute;
      right: 14px;
      top: 12px;
      z-index: 3;
    }

    .profile-block .homepage-social {
      flex-wrap: nowrap;
      gap: 8px;
      max-width: none;
    }

    .profile-block .homepage-social a {
      height: 32px;
      justify-content: center;
      padding: 0;
      width: 34px;
    }

    .profile-block .homepage-social i {
      font-size: 17px;
    }

    .profile-photo {
      aspect-ratio: 1 / 1;
      border-radius: 3px;
      border: 1px solid var(--rule);
      display: block;
      height: auto;
      object-fit: cover;
      width: 168px;
    }

    .profile-affiliation {
      line-height: 1.45;
      padding-right: 62px;
      padding-top: 3px;
    }

    .profile-kicker {
      color: var(--accent-dark);
      font-size: 12px;
      font-weight: 700;
      letter-spacing: 0.08em;
      margin-bottom: 8px;
      text-transform: uppercase;
    }

    .official-profile {
      color: #173f3a;
      font-size: 20px;
      font-weight: 700;
    }

    .profile-title {
      font-size: 14px;
      line-height: 1.45;
    }

    .profile-contact .contact-row {
      align-items: flex-start;
      display: flex;
      width: fit-content;
    }

    .profile-contact .contact-icon {
      flex: 0 0 14px;
      margin-right: 5px;
      margin-top: 3px;
      text-align: center;
    }

    .profile-contact .contact-nowrap {
      white-space: nowrap;
    }

    .official-sub {
      color: var(--muted);
      font-size: 14px;
      margin-top: 5px;
    }

    .site-footer {
      border-top: 1px solid var(--rule);
      bottom: auto;
      clear: both;
      color: var(--muted);
      float: none;
      font-size: 12px;
      margin-top: 34px;
      padding: 14px 0 4px;
      position: static;
      text-align: center;
      width: auto;
    }

    .site-footer .footer-separator {
      color: #a7b3b0;
      margin: 0 7px;
    }

    .news-timeline {
  border-left: 2px solid var(--rule);
  margin-top: 10px;
  padding-left: 16px;
  max-width: 610px;
}

.news-item {
  position: relative;
  margin-bottom: 15px;
}

.news-item::before {
  content: "";
  position: absolute;
  left: -21px;
  top: 4px;
  width: 10px;
  height: 10px;
  background: var(--accent);
  border: 2px solid #fbfcfb;
  border-radius: 50%;
}

.news-date {
  font-size: 0.85em;
  font-weight: 700;
  color: var(--accent-dark);
  margin-bottom: 2px;
}

.news-content {
  font-size: 0.95em;
}

    .news-toggle {
      appearance: none;
      background: var(--soft);
      border: 1px solid var(--rule);
      border-radius: 3px;
      color: var(--accent-dark);
      cursor: pointer;
      font: inherit;
      font-size: 13px;
      font-weight: 650;
      margin-top: 2px;
      padding: 5px 11px;
    }

    .news-toggle:hover {
      background: #eaf2ef;
    }

    @media print, screen and (max-width: 960px) {
      .wrapper {
        width: auto;
      }

      header {
        padding-right: 0;
        width: auto;
      }

      section {
        border-left: 0;
        padding-left: 0;
        width: auto;
      }
    }

    @media print, screen and (max-width: 600px) {
      body {
        padding: 22px;
      }

      .profile-block {
        grid-template-columns: 1fr;
      }

      .profile-block::before {
        opacity: 0.25;
      }

      .profile-block::after {
        background: rgba(247,249,249,0.88);
      }

      .profile-photo {
        width: 160px;
      }

      .profile-affiliation {
        padding-right: 0;
      }

      .justified-text {
        text-align: left;
      }
    }

/* Extracted from index.html — block 2. */
/* ===== Timeline animation ===== */
.news-item {
  opacity: 0;
  transform: translateY(12px);
  animation: newsFadeIn 0.6s ease forwards;
}

/* 级联延迟：每条稍微错开 */
.news-item:nth-child(1) { animation-delay: 0.05s; }
.news-item:nth-child(2) { animation-delay: 0.10s; }
.news-item:nth-child(3) { animation-delay: 0.15s; }
.news-item:nth-child(4) { animation-delay: 0.20s; }
.news-item:nth-child(5) { animation-delay: 0.25s; }
/* 后面够用即可，不需要太精确 */

@keyframes newsFadeIn {
  to {
    opacity: 1;
    transform: translateY(0);
  }
}

/* ===== Date subtle style ===== */
.news-date {
  color: var(--accent-dark);
}