/* 将原先平铺的长导航收拢为“功能 + 我的镜面”，避免中等宽度桌面出现挤压。 */
.topbar {
  min-width: 0;
  gap: 18px;
}

.topnav {
  min-width: 0;
  gap: 10px;
}

.topnav > button[data-compact-nav-source="true"] {
  display: none !important;
}

.compact-nav {
  display: flex;
  align-items: center;
  gap: 10px;
}

.compact-nav button {
  border: 0;
  font: inherit;
  font-weight: 700;
  cursor: pointer;
}

.compact-nav-mirror {
  min-height: 42px;
  padding: 0 16px;
  border: 1px solid #96b2ae !important;
  border-radius: 10px !important;
  color: #235b60 !important;
  background: #fffdf9 !important;
  box-shadow: 0 4px 14px #274f5310;
}

.compact-nav-mirror:hover { background: #edf6f3 !important; }
.compact-nav-mirror::after,
.compact-nav-trigger::after { display: none !important; }

.compact-nav-menu { position: relative; }

.compact-nav-trigger {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  min-height: 42px;
  padding: 0 15px !important;
  border-radius: 10px !important;
  color: #fff !important;
  background: #286b70 !important;
  box-shadow: 0 7px 16px #285f6324;
}

.compact-nav-trigger:hover { background: #1f5e63 !important; }

.compact-nav-trigger i {
  width: 7px;
  height: 7px;
  border-right: 1.5px solid currentColor;
  border-bottom: 1.5px solid currentColor;
  transform: translateY(-2px) rotate(45deg);
}

.compact-nav-trigger[aria-expanded="true"] i { transform: translateY(2px) rotate(225deg); }

.compact-nav-panel {
  position: absolute;
  z-index: 980;
  top: calc(100% + 11px);
  right: 0;
  width: min(390px, calc(100vw - 24px));
  max-height: min(620px, calc(100dvh - 100px));
  overflow: auto;
  padding: 14px;
  border: 1px solid #d6e4e1;
  border-radius: 16px;
  background: #fffdf9;
  box-shadow: 0 20px 48px #1d454842;
}

.compact-nav-group + .compact-nav-group {
  margin-top: 12px;
  padding-top: 12px;
  border-top: 1px solid #e3ece9;
}

.compact-nav-group > span {
  display: block;
  margin: 0 7px 7px;
  color: #9a725f;
  font-size: 11px;
  font-weight: 800;
  letter-spacing: .12em;
}

.compact-nav-group > div {
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: 5px;
}

.compact-nav-group button {
  min-width: 0;
  padding: 10px 8px;
  border-radius: 9px;
  color: #365d60;
  text-align: left;
  background: #f2f7f5;
  font-size: 13px;
  overflow: hidden;
  text-overflow: ellipsis;
  white-space: nowrap;
}

.compact-nav-group button:hover { color: #fff; background: #36767a; }

@media (max-width: 1420px) {
  .topbar { height: 76px; padding: 0 28px; }
  .brand-rule,
  .brand-subtitle { display: none; }
}

@media (max-width: 720px) {
  .topbar { height: 68px; padding: 0 16px; }
  .brand-mark { font-size: 29px; }
  .compact-nav-mirror { display: none; }
  .compact-nav-trigger { min-height: 38px; padding: 0 13px !important; }
  .compact-nav-panel { right: -4px; }
}

@media (max-width: 420px) {
  .compact-nav-group > div { grid-template-columns: 1fr; }
}