body {
  background:#ffffff;
}

.page-wrap {
  padding:70px 0 90px;
  background:#ffffff;
  min-height:70vh;
}

.page-title {
  color:var(--accent-color);
  font-size:38px;
  font-weight:700;
  margin-bottom:18px;
  font-family:var(--heading-font);
}

.title-line {
  border:0;
  border-top:2px solid #222;
  opacity:1;
  margin:0 0 55px;
}

.year-title {
  font-size:31px;
  font-weight:500;
  color:#4e555c;
  margin:45px 0 18px;
}

.year-title:first-of-type {
  margin-top:0;
}

.publication-item {
  background:#fff;
  border-radius:10px;
  border:1px solid #eceff2;
  margin-bottom:16px;
  overflow:hidden;
}

.publication-source {
  color: #6c757d;
  font-size: 13px;
  line-height: 1.8;
  margin: 0 0 28px;
}

.publication-button > span,
.detail-value {
  min-width: 0;
  overflow-wrap: anywhere;
}

.publication-button {
  width:100%;
  background:#fff;
  border:0;
  text-align:left;
  padding:24px 28px;
  display:grid;
  grid-template-columns:52px 1fr 24px;
  gap:18px;
  align-items:start;
}

.publication-button:hover {
  background:#ffffff;
}

.publication-number {
  color:#888;
  font-size:14px;
  padding-top:3px;
}

.publication-type {
  display:inline-block;
  background:#78a7d8;
  color:#fff;
  border-radius:4px;
  font-size:12px;
  letter-spacing:.04em;
  padding:5px 9px;
  margin-bottom:11px;
}

.publication-title {
  font-size:21px;
  line-height:1.45;
  font-weight:600;
  color:#1f2328;
  margin:0 0 8px;
}

.publication-meta {
  font-size:14px;
  color:#6c757d;
  margin:0;
}

.publication-icon {
  color:#6c757d;
  font-size:18px;
  transition:transform .2s ease;
  margin-top:6px;
}

.publication-button[aria-expanded="true"] .publication-icon {
  transform:rotate(180deg);
}

.publication-detail {
  border-top:1px solid #edf0f2;
  padding:28px;
  background:#ffffff;
}

.detail-grid {
  display:grid;
  grid-template-columns:170px 1fr;
  gap:14px 22px;
  margin-bottom:28px;
}

.detail-label {
  font-weight:700;
  color:#2d3439;
}

.detail-value {
  color:#555;
  line-height:1.7;
}

.abstract-title,
.keywords-title {
  font-size:18px;
  font-weight:700;
  margin:24px 0 10px;
}

.abstract-text {
  font-size:15px;
  line-height:1.85;
  color:#4f555a;
  margin-bottom:0;
}

.keyword-list {
  display:flex;
  flex-wrap:wrap;
  gap:8px;
}

.keyword {
  background:color-mix(in srgb, var(--accent-color), transparent 90%);
  color:var(--accent-color);
  border-radius:999px;
  padding:7px 12px;
  font-size:13px;
}

.doi-link {
  display:inline-flex;
  align-items:center;
  gap:6px;
  font-weight:600;
  text-decoration:none;
}

.doi-link:hover {
  text-decoration:underline;
}

.publication-tabs {
  display:flex;
  gap:12px;
  margin:0 0 38px;
  border-bottom:1px solid #d9dee3;
  padding-bottom:18px;
}

.publication-tab {
  min-width:150px;
  border:1px solid var(--accent-color);
  background:#fff;
  color:var(--accent-color);
  border-radius:7px;
  padding:12px 24px;
  font-size:15px;
  font-weight:600;
  letter-spacing:.02em;
  transition:.2s ease;
}

.publication-tab:hover,
.publication-tab.active {
  background:var(--accent-color);
  color:#fff;
}

.publication-panel {
  display:none;
}

.publication-panel.active {
  display:block;
}

.conference-meta-label {
  font-weight:700;
}

@media (max-width:767px) {
  .publication-button {
    grid-template-columns:36px 1fr 20px;
    padding:20px;
    gap:10px;
  }

  .publication-title {
    font-size:18px;
  }

  .detail-grid {
    grid-template-columns:1fr;
    gap:4px;
  }

  .publication-detail {
    padding:22px 20px;
  }
}