/* 已服务客户 */
.research-served-old {
    display: none;
}

.research-served-new {
    width: 1200px;
    margin: 0 auto;
    box-sizing: border-box;
    padding-top: 90px;
    color: #172033;
    line-height: 1.65;
}

.research-served-new *,
.research-served-new *::before,
.research-served-new *::after {
    box-sizing: border-box;
}

.research-served-new .research-clients {
    width: 100%;
    padding: 48px 24px;
    background: #fff;
}

.research-served-new .module-inner {
  max-width: 1200px;
  margin: 0 auto;
}

.research-served-new .case-shell {
  display: grid;
  grid-template-columns: 292px minmax(0, 1fr);
  gap: 24px;
  align-items: stretch;
}

.research-served-new .category-nav {
  position: sticky;
  top: 24px;
  align-self: start;
  display: grid;
  gap: 6px;
  padding: 10px;
  background: #f5f7fb;
  border-radius: 8px;
}

.research-served-new .category-btn {
  width: 100%;
  display: grid;
  grid-template-columns: 30px minmax(0, 1fr);
  align-items: center;
  gap: 10px;
  border: 0;
  border-radius: 6px;
  padding: 10px 10px;
  background: transparent;
  color: #172033;
  font: inherit;
  text-align: left;
  cursor: pointer;
}

.research-served-new .category-btn:hover { background: #f5f7fb; }
.research-served-new .category-btn.is-active {
  color: #fff;
  background: linear-gradient(135deg, #1f6cdd, #0f4fa9);
}

.research-served-new .category-index {
  width: 30px;
  height: 30px;
  display: grid;
  place-items: center;
  border-radius: 50%;
  background: #edf4ff;
  color: #0f4fa9;
  font-size: 12px;
  font-weight: 800;
}

.research-served-new .is-active .category-index {
  background: rgba(255, 255, 255, .18);
  color: #fff;
}

.research-served-new .category-name {
  overflow: hidden;
  text-overflow: ellipsis;
  white-space: nowrap;
  font-weight: 700;
}

.research-served-new .case-panel {
  min-width: 0;
  padding: 20px;
  background: #fff;
  border-radius: 8px;
}

.research-served-new .panel-top {
  padding-bottom: 14px;
  min-height: 100px;
}

.research-served-new .panel-kicker {
  margin: 0 0 8px;
  color: #1f6cdd;
  font-size: 14px;
  font-weight: 800;
}

.research-served-new .panel-title {
  margin: 0;
  font-size: 24px;
  line-height: 1.25;
  letter-spacing: 0;
}

.research-served-new .panel-desc {
  margin: 8px 0 0;
  color: #667085;
  font-size: 14px;
}

.research-served-new .case-grid {
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: 16px;
  margin-top: 16px;
}

.research-served-new .case-grid.is-single-column {
  grid-template-columns: 1fr;
}

.research-served-new .case-card {
  position: relative;
  min-height: 240px;
  display: flex;
  flex-direction: column;
  padding: 18px;
  border: 1px solid #dfe4ec;
  border-radius: 8px;
  background:
    linear-gradient(180deg, #fff 0%, #fbfcff 100%);
  overflow: hidden;
}

.research-served-new .case-card::before {
  content: "";
  position: absolute;
  inset: 0 auto 0 0;
  width: 4px;
  background: #1f6cdd;
  opacity: .85;
}

.research-served-new .case-card h3 {
  margin: 10px 0 8px;
  font-size: 18px;
  line-height: 1.35;
  letter-spacing: 0;
}

.research-served-new .case-card p {
  display: -webkit-box;
  -webkit-line-clamp: 4;
  -webkit-box-orient: vertical;
  overflow: hidden;
  margin: 0;
  color: #667085;
  font-size: 16px;
}

.research-served-new .detail-btn {
  align-self: flex-start;
  margin-top: auto;
  padding: 9px 0 0;
  border: 0;
  background: transparent;
  color: #1f6cdd;
  font: inherit;
  font-size: 14px;
  font-weight: 800;
  cursor: pointer;
}

.research-served-new .modal {
  position: fixed;
  inset: 0;
  z-index: 10;
  display: none;
  place-items: center;
  padding: 24px;
  background: rgba(10, 18, 32, .52);
}

.research-served-new .modal.is-open { display: grid; }

.research-served-new .modal-card {
  width: min(760px, 100%);
  max-height: 82vh;
  overflow: auto;
  background: #fff;
  border-radius: 8px;
}

.research-served-new .modal-head {
  display: grid;
  grid-template-columns: minmax(0, 1fr) 40px;
  gap: 16px;
  align-items: start;
  padding: 24px 26px 18px;
}

.research-served-new .modal-head h2 {
  margin: 4px 0 0;
  font-size: 24px;
  line-height: 1.35;
}

.research-served-new .modal-close {
  width: 40px;
  height: 40px;
  border: 1px solid #dfe4ec;
  border-radius: 8px;
  background: #fff;
  cursor: pointer;
  font-size: 22px;
  line-height: 1;
}

.research-served-new .modal-body {
  padding: 22px 26px 28px;
  color: #344054;
  font-size: 16px;
}

@media (max-width: 980px) {
  .research-served-new .case-shell {
    grid-template-columns: 1fr;
  }

  .research-served-new .case-grid {
    grid-template-columns: 1fr;
  }

  .research-served-new .category-nav {
    position: static;
    width: 100%;
    max-width: 100%;
    grid-auto-flow: column;
    grid-auto-columns: minmax(180px, 1fr);
    overflow-x: auto;
    overflow-y: hidden;
    -webkit-overflow-scrolling: touch;
    touch-action: pan-x pan-y;
    scrollbar-width: none;
    -ms-overflow-style: none;
  }

  .research-served-new .category-nav * {
    touch-action: pan-x pan-y;
  }

  .research-served-new .category-nav::-webkit-scrollbar {
    display: none;
  }
}

@media (max-width: 680px) {
  .research-served-new .research-clients { padding: 32px 16px; }
  .research-served-new .case-card { min-height: 230px; }
}
.research-served-new .research-case-modal { z-index: 99999; }
@media (max-width: 980px) {
    .research-served-new { width: 100%; padding-top: .9rem; }
}