body {
  background: #f7f9fa;
  font-family: 'Microsoft YaHei', Arial, sans-serif;
  margin: 0;
}
.tc-banner {
  position: relative;
  width: 100%;
  height: 48rem;
  overflow: hidden;
  display: flex;
  align-items: flex-end;
  justify-content: flex-start;
  margin-bottom: 2.5rem;
}
.tc-banner-img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  filter: brightness(0.82) blur(0.5px);
}
.tc-banner-caption {
  position: absolute;
  left: 3.5rem;
  bottom: 2.2rem;
  font-size: 2.1rem;
  color: #fff;
  font-weight: bold;
  letter-spacing: 2px;
  text-shadow: 0 4px 16px rgba(0,0,0,0.18);
  z-index: 2;
}
.tc-main {
  max-width: 1250px;
  margin: 0 auto 3rem auto;
  background: #fff;
  border-radius: 12px;
  box-shadow: 0 2px 16px rgba(0,0,0,0.06);
  padding: 2.2rem 2.5rem 2.5rem 2.5rem;
}
.tc-section-title {
  font-size: 2rem;
  font-weight: bold;
  color: #1a237e;
  margin-bottom: 1.5rem;
  letter-spacing: 1px;
  text-align: center;
}
.tc-section-list {
  display: flex;
  flex-direction: column;
  gap: 1.5rem;
}
.tc-item {
  background: #f7f9fa;
  border-radius: 8px;
  padding: 1.2rem 1.5rem;
  box-shadow: 0 2px 8px rgba(0,0,0,0.04);
  display: flex;
  flex-direction: column;
  gap: 0.7rem;
  margin-bottom: 0.5rem;
}
.tc-item-row {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 1.5rem;
}
.tc-item-title {
  font-size: 1.15rem;
  color: #222;
  font-weight: 500;
  flex: 1 1 0;
  min-width: 0;
  white-space: nowrap;
  overflow: hidden;
  text-overflow: ellipsis;
}
.tc-item-link {
  color: #1677ff;
  background: #eaf3ff;
  border: 1px solid #1677ff;
  border-radius: 4px;
  padding: 0.45em 1.2em;
  font-size: 1rem;
  text-decoration: none;
  font-weight: 500;
  transition: background 0.2s, color 0.2s, border 0.2s;
  margin-left: 1.5rem;
  white-space: nowrap;
}
.tc-item-link:hover {
  background: #1677ff;
  color: #fff;
  border-color: #1677ff;
}
.tc-item-desc {
  margin-top: 0.7em;
  color: #444;
  font-size: 1rem;
  line-height: 1.9;
  word-break: break-all;
  text-indent: 2em;
  background: #fafdff;
  border-radius: 6px;
  padding: 0.8em 1em 0.8em 1em;
  box-shadow: 0 1px 4px rgba(22,119,255,0.04);
}
.tc-item-desc br + br {
  display: none;
}
@media (max-width: 900px) {
  .tc-main { padding: 1.2rem 1rem; }
  .tc-banner-caption { left: 1.2rem; font-size: 1.3rem; }
  .tc-item-row { flex-direction: column; align-items: flex-start; gap: 0.7rem; }
  .tc-item-link { margin-left: 0; }
}