.acupoint-hub {
  --acupoint-primary: #1f6b52;
  --acupoint-soft: #e8f3ed;
  --acupoint-bg: #f8faf7;
  --acupoint-text: #24342c;
  --acupoint-muted: #66756d;
  --acupoint-line: #dce7e1;
}

.acupoint-hub .herb-section-head .acupoint-section-note {
  display: block;
  margin-top: 10px;
  color: var(--acupoint-muted);
  font-size: 0.96rem;
  line-height: 1.65;
}

.acupoint-hub .acupoint-meridian-panel {
  padding: 28px;
  background:
    radial-gradient(circle at 92% 8%, rgba(31, 107, 82, 0.1), transparent 28%),
    #fff;
}

.acupoint-meridian-intro {
  display: grid;
  grid-template-columns: minmax(0, 1fr) auto;
  gap: 28px;
  align-items: center;
  padding-bottom: 24px;
  border-bottom: 1px solid var(--acupoint-line);
}

.acupoint-hub .acupoint-panel-eyebrow {
  display: inline-block;
  margin-bottom: 8px;
  color: var(--acupoint-primary);
  font-size: 0.82rem;
  font-weight: 800;
  letter-spacing: 0.12em;
}

.acupoint-symptom-note {
  margin: -3px 0 18px;
  color: var(--acupoint-muted);
  font-size: 0.9rem;
  line-height: 1.6;
}

.acupoint-symptom-grid {
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: 10px;
}

.acupoint-symptom-card {
  scroll-margin-top: 90px;
  min-width: 0;
  padding: 14px;
  border: 1px solid var(--acupoint-line);
  border-radius: 12px;
  background: var(--acupoint-bg);
}

.acupoint-symptom-card:target {
  border-color: #8fc3ab;
  background: var(--acupoint-soft);
  box-shadow: 0 0 0 3px rgba(31, 107, 82, 0.09);
}

.acupoint-symptom-card h4 {
  margin: 0 0 9px;
  color: var(--acupoint-text);
  font-size: 0.98rem;
}

.acupoint-symptom-card > div {
  display: flex;
  flex-wrap: wrap;
  gap: 6px;
}

.acupoint-symptom-card a {
  display: inline-flex;
  padding: 5px 9px;
  border-radius: 999px;
  background: #fff;
  color: var(--acupoint-primary);
  font-size: 0.86rem;
  font-weight: 750;
  line-height: 1.35;
  text-decoration: none;
}

.acupoint-symptom-card a:hover,
.acupoint-symptom-card a:focus-visible {
  background: var(--acupoint-primary);
  color: #fff;
}

.acupoint-hub .acupoint-meridian-intro h3 {
  margin: 0 0 8px;
  color: var(--acupoint-text);
  font-size: clamp(1.3rem, 2vw, 1.65rem);
}

.acupoint-meridian-intro p {
  max-width: 720px;
  margin: 0;
  color: var(--acupoint-muted);
  line-height: 1.75;
}

.acupoint-primary-link {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 8px;
  min-height: 44px;
  padding: 10px 18px;
  border-radius: 999px;
  background: var(--acupoint-primary);
  color: #fff;
  font-weight: 800;
  text-decoration: none;
  white-space: nowrap;
}

.acupoint-primary-link:hover,
.acupoint-primary-link:focus-visible {
  background: #17533f;
  color: #fff;
}

.acupoint-meridian-groups {
  display: grid;
  grid-template-columns: repeat(5, minmax(0, 1fr));
  gap: 12px;
  padding-top: 22px;
}

.acupoint-meridian-group {
  min-width: 0;
  padding: 16px;
  border: 1px solid var(--acupoint-line);
  border-radius: 12px;
  background: var(--acupoint-bg);
}

.acupoint-meridian-group h4 {
  margin: 0 0 11px;
  color: var(--acupoint-muted);
  font-size: 0.84rem;
  letter-spacing: 0.08em;
}

.acupoint-meridian-group > div {
  display: grid;
  gap: 7px;
}

.acupoint-meridian-group a {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 8px;
  color: var(--acupoint-primary);
  font-weight: 750;
  line-height: 1.45;
  text-decoration: none;
}

.acupoint-meridian-group a::after {
  content: "›";
  color: #9aafa5;
  font-size: 1.1rem;
}

.acupoint-meridian-group a:hover,
.acupoint-meridian-group a:focus-visible {
  color: #133f31;
}

.acupoint-hub .herb-alpha-bar {
  position: sticky;
  top: 12px;
  z-index: 4;
  display: grid;
  grid-template-columns: repeat(13, minmax(44px, 1fr));
  gap: 8px;
  padding: 12px;
  border: 1px solid var(--acupoint-line);
  border-radius: 12px;
  background: rgba(255, 255, 255, 0.96);
  box-shadow: 0 10px 28px rgba(31, 70, 54, 0.08);
  backdrop-filter: blur(10px);
}

.acupoint-hub .herb-alpha-bar a {
  display: flex;
  align-items: baseline;
  justify-content: center;
  gap: 3px;
  min-height: 38px;
  padding: 8px 5px;
  border: 1px solid #cfe1d8;
  border-radius: 9px;
  background: #f7fbf8;
  color: var(--acupoint-primary);
  font-weight: 800;
  line-height: 1;
  text-decoration: none;
}

.acupoint-hub .herb-alpha-bar a small {
  color: var(--acupoint-muted);
  font-size: 0.65rem;
  font-weight: 600;
}

.acupoint-hub .herb-alpha-bar a:hover,
.acupoint-hub .herb-alpha-bar a:focus-visible,
.acupoint-hub .herb-alpha-bar a.is-active {
  border-color: var(--acupoint-primary);
  background: var(--acupoint-primary);
  color: #fff;
}

.acupoint-hub .herb-alpha-bar a:hover small,
.acupoint-hub .herb-alpha-bar a:focus-visible small,
.acupoint-hub .herb-alpha-bar a.is-active small {
  color: rgba(255, 255, 255, 0.78);
}

.acupoint-hub .herb-alpha-bar a.is-disabled {
  pointer-events: none;
  border-color: transparent;
  background: #f2f5f3;
  color: #a5b1ab;
  opacity: 0.72;
}

.acupoint-hub .herb-alpha-list {
  display: grid;
  gap: 12px;
  margin-top: 18px;
}

.acupoint-hub .herb-alpha-group {
  scroll-margin-top: 86px;
  overflow: hidden;
  border: 1px solid var(--acupoint-line);
  border-radius: 12px;
  background: #fff;
}

.acupoint-hub .herb-alpha-group summary {
  display: grid;
  grid-template-columns: 52px minmax(0, 1fr) auto;
  gap: 12px;
  align-items: center;
  min-height: 60px;
  padding: 10px 18px;
  color: var(--acupoint-text);
  cursor: pointer;
  list-style: none;
}

.acupoint-hub .herb-alpha-group summary::-webkit-details-marker {
  display: none;
}

.acupoint-hub .herb-alpha-group summary strong {
  color: var(--acupoint-primary);
  font-size: 1.32rem;
}

.acupoint-hub .herb-alpha-group summary span {
  color: var(--acupoint-muted);
  font-size: 0.93rem;
}

.acupoint-hub .herb-alpha-group summary em {
  color: var(--acupoint-primary);
  font-size: 0.84rem;
  font-style: normal;
}

.acupoint-hub .herb-alpha-group summary em::after {
  content: "＋";
  margin-left: 7px;
}

.acupoint-hub .herb-alpha-group[open] summary {
  border-bottom: 1px solid var(--acupoint-line);
  background: var(--acupoint-soft);
}

.acupoint-hub .herb-alpha-group[open] summary em::after {
  content: "－";
}

.acupoint-hub .herb-alpha-items {
  display: grid;
  grid-template-columns: repeat(4, minmax(0, 1fr));
  gap: 10px;
  padding: 16px;
}

.acupoint-hub .herb-alpha-items a {
  position: relative;
  display: grid;
  grid-template-columns: auto minmax(0, 1fr) auto;
  gap: 8px;
  align-items: baseline;
  min-width: 0;
  padding: 12px 13px;
  border: 1px solid var(--acupoint-line);
  border-radius: 10px;
  background: var(--acupoint-bg);
  color: inherit;
  text-decoration: none;
}

.acupoint-alpha-name {
  color: var(--acupoint-primary);
  font-weight: 800;
  white-space: nowrap;
}

.acupoint-alpha-pinyin {
  overflow: hidden;
  color: var(--acupoint-muted);
  font-size: 0.82rem;
  text-overflow: ellipsis;
  white-space: nowrap;
}

.acupoint-alpha-arrow {
  color: #9aafa5;
  font-size: 1.05rem;
}

.acupoint-hub .herb-alpha-items a:hover,
.acupoint-hub .herb-alpha-items a:focus-visible {
  border-color: #a9cdbd;
  background: #fff;
  box-shadow: 0 7px 18px rgba(31, 70, 54, 0.08);
}

@media (max-width: 1100px) {
  .acupoint-meridian-groups {
    grid-template-columns: repeat(3, minmax(0, 1fr));
  }

  .acupoint-hub .herb-alpha-bar {
    grid-template-columns: repeat(9, minmax(42px, 1fr));
  }

  .acupoint-hub .herb-alpha-items {
    grid-template-columns: repeat(3, minmax(0, 1fr));
  }
}

@media (max-width: 767px) {
  .acupoint-hub .acupoint-meridian-panel {
    padding: 20px;
  }

  .acupoint-meridian-intro {
    grid-template-columns: 1fr;
    gap: 18px;
  }

  .acupoint-primary-link {
    width: 100%;
  }

  .acupoint-meridian-groups {
    grid-template-columns: repeat(2, minmax(0, 1fr));
  }

  .acupoint-hub .herb-alpha-bar {
    position: static;
    display: flex;
    overflow-x: auto;
    padding: 10px;
    scrollbar-width: thin;
  }

  .acupoint-hub .herb-alpha-bar a {
    flex: 0 0 44px;
  }

  .acupoint-hub .herb-alpha-group summary {
    grid-template-columns: 42px minmax(0, 1fr) auto;
    padding: 9px 14px;
  }

  .acupoint-hub .herb-alpha-items {
    grid-template-columns: repeat(2, minmax(0, 1fr));
    padding: 12px;
  }

  .acupoint-hub .herb-alpha-items a {
    grid-template-columns: 1fr auto;
  }

  .acupoint-alpha-pinyin {
    grid-column: 1 / -1;
  }
}

@media (max-width: 480px) {
  .acupoint-meridian-groups,
  .acupoint-symptom-grid,
  .acupoint-hub .herb-alpha-items {
    grid-template-columns: 1fr;
  }
}

@media (prefers-reduced-motion: reduce) {
  .acupoint-hub * {
    scroll-behavior: auto !important;
  }
}