.page-faq {
  --faq-side: 300px;
  --faq-cut: polygon(0 0, 100% 0, 100% calc(100% - 16px), calc(100% - 16px) 100%, 0 100%);
  padding-bottom: 72px;
  color: var(--cream);
}

.page-faq .breadcrumb {
  display: flex;
  align-items: center;
  flex-wrap: wrap;
  gap: 8px;
  padding: 20px 0 0;
  font-size: 12px;
  letter-spacing: 0.02em;
  color: var(--mist);
}

.page-faq .breadcrumb a {
  color: var(--cyan);
  text-decoration: none;
}

.page-faq .breadcrumb a:hover {
  text-decoration: underline;
}

/* ---------- 首屏 ---------- */
.page-faq .faq-hero {
  padding: 24px 0 36px;
  position: relative;
}

.page-faq .faq-hero__inner {
  display: grid;
  gap: 26px;
  align-items: end;
}

.page-faq .faq-hero__copy .eyebrow {
  display: inline-block;
  font-size: 11px;
  letter-spacing: 0.16em;
  color: var(--cyan);
  padding: 4px 10px;
  border: 1px solid rgba(53, 228, 206, 0.4);
  clip-path: var(--cut-sm);
}

.page-faq .faq-hero h1 {
  margin: 14px 0 0;
  font-family: var(--font-display);
  font-weight: 800;
  font-size: 28px;
  line-height: 1.16;
  letter-spacing: -0.01em;
  color: var(--cream);
}

.page-faq .faq-hero__lead {
  margin: 14px 0 0;
  font-size: 15px;
  line-height: 1.72;
  color: var(--mist);
  max-width: 34em;
}

.page-faq .faq-hero__stats {
  list-style: none;
  margin: 20px 0 0;
  padding: 0;
  display: flex;
  flex-wrap: wrap;
  gap: 10px 22px;
  font-size: 12px;
  color: var(--mist);
}

.page-faq .faq-hero__stats li {
  display: flex;
  align-items: baseline;
  gap: 6px;
}

.page-faq .faq-hero__stats .mono {
  font-family: var(--font-mono);
  font-size: 20px;
  letter-spacing: 0.02em;
  color: var(--orange);
}

.page-faq .faq-hero__fig {
  margin: 0;
  overflow: hidden;
  background: var(--panel-2);
  border: 1px solid var(--line);
  clip-path: var(--cut-lg);
}

.page-faq .faq-hero__fig img {
  display: block;
  width: 100%;
  height: auto;
  aspect-ratio: 800 / 520;
  object-fit: cover;
}

/* ---------- 症状分类带 ---------- */
.page-faq .faq-band {
  background: var(--panel);
  border-top: 1px solid var(--line);
  border-bottom: 1px solid var(--line);
  padding: 16px 0 18px;
}

.page-faq .faq-band__label {
  margin: 0 0 10px;
  font-size: 11px;
  letter-spacing: 0.18em;
  color: var(--mist);
}

.page-faq .faq-tabs {
  display: flex;
  gap: 8px;
  overflow-x: auto;
  padding-bottom: 4px;
  scrollbar-width: none;
}

.page-faq .faq-tabs::-webkit-scrollbar {
  display: none;
}

.page-faq .faq-tab {
  flex: none;
  padding: 9px 14px;
  font-size: 13px;
  line-height: 1.2;
  color: var(--mist);
  text-decoration: none;
  background: var(--ink-deep);
  border: 1px solid var(--line);
  clip-path: var(--cut-sm);
  transition: color var(--dur) var(--ease), border-color var(--dur) var(--ease), background var(--dur) var(--ease);
}

.page-faq .faq-tab:hover {
  color: var(--cream);
  border-color: var(--line-strong);
  background: var(--panel-2);
}

.page-faq .faq-tab:focus-visible {
  outline: 2px solid var(--cyan);
  outline-offset: 2px;
}

.page-faq .faq-search {
  display: grid;
  gap: 6px;
  margin-top: 14px;
}

.page-faq .faq-search__label {
  font-size: 11px;
  letter-spacing: 0.1em;
  color: var(--mist);
}

.page-faq .faq-search__input {
  width: 100%;
  padding: 11px 14px;
  font: inherit;
  font-size: 14px;
  color: var(--cream);
  background: var(--ink-deep);
  border: 1px solid var(--line);
  border-radius: 0;
  clip-path: var(--cut-sm);
  outline: none;
  transition: border-color var(--dur) var(--ease);
}

.page-faq .faq-search__input::placeholder {
  color: var(--mist);
}

.page-faq .faq-search__input:focus {
  border-color: var(--cyan);
}

/* ---------- 主体布局 ---------- */
.page-faq .faq-body {
  display: grid;
  gap: 36px;
  padding-top: 36px;
}

.page-faq .faq-main {
  min-width: 0;
}

/* ---------- 问题分组 ---------- */
.page-faq .faq-group + .faq-group {
  margin-top: 40px;
}

.page-faq .faq-group__head {
  display: flex;
  align-items: baseline;
  gap: 12px;
  padding-bottom: 10px;
  border-bottom: 2px solid var(--line-strong);
}

.page-faq .faq-group__code {
  font-family: var(--font-mono);
  font-size: 12px;
  letter-spacing: 0.08em;
  color: var(--cyan);
}

.page-faq .faq-group__head h2 {
  margin: 0;
  font-family: var(--font-display);
  font-weight: 700;
  font-size: 19px;
  line-height: 1.2;
  color: var(--cream);
}

.page-faq .faq-group__count {
  margin-left: auto;
  font-family: var(--font-mono);
  font-size: 11px;
  letter-spacing: 0.06em;
  color: var(--mist);
}

.page-faq .fold {
  position: relative;
  border-bottom: 1px solid var(--line-soft);
}

.page-faq .fold__heading {
  margin: 0;
  font-size: 15px;
  font-weight: 500;
}

.page-faq .fold__toggle {
  position: relative;
  display: flex;
  align-items: center;
  gap: 12px;
  width: 100%;
  padding: 15px 4px 15px 16px;
  background: none;
  border: 0;
  font: inherit;
  font-size: 15px;
  line-height: 1.5;
  text-align: left;
  color: var(--cream);
  cursor: pointer;
  transition: color var(--dur) var(--ease), background var(--dur) var(--ease);
}

.page-faq .fold__toggle::before {
  content: "";
  position: absolute;
  left: 0;
  top: 13px;
  bottom: 13px;
  width: 2px;
  background: var(--line-strong);
  transition: background var(--dur) var(--ease), top var(--dur) var(--ease), bottom var(--dur) var(--ease);
}

.page-faq .fold__toggle:hover {
  color: var(--cyan);
  background: rgba(19, 37, 58, 0.6);
}

.page-faq .fold__toggle:focus-visible {
  outline: 2px solid var(--cyan);
  outline-offset: -2px;
}

.page-faq .fold__toggle[aria-expanded="true"] {
  color: var(--cyan);
}

.page-faq .fold__toggle[aria-expanded="true"]::before {
  top: 8px;
  bottom: 8px;
  background: var(--cyan);
}

.page-faq .fold__title {
  flex: 1 1 auto;
  min-width: 0;
}

.page-faq .fold__chev {
  position: relative;
  flex: none;
  width: 16px;
  height: 16px;
}

.page-faq .fold__chev::before,
.page-faq .fold__chev::after {
  content: "";
  position: absolute;
  background: var(--mist);
  transition: transform var(--dur) var(--ease), background var(--dur) var(--ease);
}

.page-faq .fold__chev::before {
  left: 0;
  right: 0;
  top: 7px;
  height: 2px;
}

.page-faq .fold__chev::after {
  top: 0;
  bottom: 0;
  left: 7px;
  width: 2px;
}

.page-faq .fold__toggle[aria-expanded="true"] .fold__chev::before {
  background: var(--cyan);
}

.page-faq .fold__toggle[aria-expanded="true"] .fold__chev::after {
  transform: scaleY(0);
  background: var(--cyan);
}

.page-faq .fold__panel {
  padding: 0 16px 18px 16px;
  animation: faq-reveal var(--dur-slow) var(--ease) both;
}

@keyframes faq-reveal {
  from {
    opacity: 0;
    transform: translateX(-10px);
  }
  to {
    opacity: 1;
    transform: translateX(0);
  }
}

.page-faq .fold__text {
  margin: 0;
  font-size: 14px;
  line-height: 1.75;
  color: var(--mist);
  max-width: 36em;
}

/* ---------- 深入说明卡 ---------- */
.page-faq .faq-deep {
  margin-top: 36px;
  padding: 22px 20px;
  background: var(--panel);
  border: 1px solid var(--line);
  clip-path: var(--faq-cut);
}

.page-faq .faq-deep--pine {
  background: linear-gradient(158deg, var(--pine) 0%, var(--panel-2) 62%);
  border-color: rgba(53, 228, 206, 0.28);
}

.page-faq .faq-deep--gold {
  background: linear-gradient(158deg, rgba(224, 176, 92, 0.18) 0%, var(--panel-2) 58%);
  border-color: rgba(224, 176, 92, 0.36);
}

.page-faq .faq-deep__tag {
  display: inline-block;
  font-family: var(--font-mono);
  font-size: 11px;
  letter-spacing: 0.14em;
  color: var(--cyan);
  padding: 3px 9px;
  border: 1px solid rgba(53, 228, 206, 0.35);
  clip-path: var(--cut-sm);
}

.page-faq .faq-deep--gold .faq-deep__tag {
  color: var(--gold);
  border-color: rgba(224, 176, 92, 0.45);
}

.page-faq .faq-deep h2 {
  margin: 14px 0 0;
  font-family: var(--font-display);
  font-weight: 700;
  font-size: 21px;
  line-height: 1.28;
  color: var(--cream);
}

.page-faq .faq-deep p {
  margin: 12px 0 0;
  font-size: 14px;
  line-height: 1.78;
  color: var(--mist);
  max-width: 36em;
}

.page-faq .faq-deep__list {
  list-style: none;
  margin: 18px 0 0;
  padding: 0;
  display: grid;
  gap: 12px;
}

.page-faq .faq-deep__list li {
  display: flex;
  gap: 12px;
  font-size: 14px;
  line-height: 1.7;
  color: var(--cream);
  padding-top: 12px;
  border-top: 1px dashed var(--line);
}

.page-faq .faq-deep__list .mono {
  flex: none;
  font-family: var(--font-mono);
  font-size: 12px;
  letter-spacing: 0.06em;
  color: var(--cyan);
}

.page-faq .faq-deep--gold .faq-deep__list .mono {
  color: var(--gold);
}

.page-faq .faq-deep__tail a,
.page-faq .faq-deep p a {
  color: var(--cyan);
  text-decoration: none;
  border-bottom: 1px solid rgba(53, 228, 206, 0.4);
}

.page-faq .faq-deep--gold .faq-deep__tail a {
  color: var(--gold);
  border-bottom-color: rgba(224, 176, 92, 0.45);
}

.page-faq .faq-deep a:hover {
  border-bottom-color: currentColor;
}

/* ---------- 轮次入口 ---------- */
.page-faq .faq-entry {
  margin-top: 36px;
  display: grid;
  gap: 22px;
  padding: 22px 20px;
  background: var(--panel-2);
  border: 1px solid var(--line);
  clip-path: var(--faq-cut);
}

.page-faq .faq-entry__copy .eyebrow {
  display: inline-block;
  font-size: 11px;
  letter-spacing: 0.16em;
  color: var(--orange);
  padding: 3px 9px;
  border: 1px solid rgba(255, 107, 44, 0.4);
  clip-path: var(--cut-sm);
}

.page-faq .faq-entry h2 {
  margin: 12px 0 0;
  font-family: var(--font-display);
  font-weight: 700;
  font-size: 21px;
  line-height: 1.28;
  color: var(--cream);
}

.page-faq .faq-entry p {
  margin: 12px 0 0;
  font-size: 14px;
  line-height: 1.78;
  color: var(--mist);
}

.page-faq .faq-entry__steps {
  list-style: none;
  margin: 18px 0 0;
  padding: 0;
  display: grid;
  gap: 10px;
}

.page-faq .faq-entry__steps li {
  display: flex;
  gap: 10px;
  font-size: 14px;
  line-height: 1.68;
  color: var(--cream);
  padding: 10px 12px;
  background: rgba(11, 23, 37, 0.6);
  border-left: 2px solid var(--orange);
}

.page-faq .faq-entry__steps .mono {
  flex: none;
  font-family: var(--font-mono);
  font-size: 12px;
  letter-spacing: 0.06em;
  color: var(--orange);
}

.page-faq .faq-entry__note a {
  color: var(--cyan);
  text-decoration: none;
  border-bottom: 1px solid rgba(53, 228, 206, 0.4);
}

.page-faq .faq-entry__note a:hover {
  border-bottom-color: currentColor;
}

.page-faq .faq-entry__fig {
  margin: 0;
  overflow: hidden;
  background: var(--ink-deep);
  border: 1px solid var(--line);
  clip-path: var(--faq-cut);
}

.page-faq .faq-entry__fig img {
  display: block;
  width: 100%;
  height: auto;
  aspect-ratio: 720 / 480;
  object-fit: cover;
}

/* ---------- 还是没解决 ---------- */
.page-faq .faq-help {
  margin-top: 36px;
  padding: 24px 20px;
  background: var(--cream);
  color: var(--paper-ink);
  clip-path: var(--cut-lg);
  border: 1px solid var(--paper-shadow);
}

.page-faq .faq-help h2 {
  margin: 0;
  font-family: var(--font-display);
  font-weight: 800;
  font-size: 22px;
  line-height: 1.25;
  color: var(--paper-ink);
}

.page-faq .faq-help > p {
  margin: 12px 0 0;
  font-size: 14px;
  line-height: 1.78;
  color: var(--paper-muted);
  max-width: 36em;
}

.page-faq .faq-help__list {
  margin: 20px 0 0;
  padding: 0;
  display: grid;
  gap: 0;
  border-top: 1px solid var(--paper-shadow);
}

.page-faq .faq-help__list > div {
  display: flex;
  flex-wrap: wrap;
  gap: 4px 16px;
  padding: 11px 0;
  border-bottom: 1px solid var(--paper-shadow);
}

.page-faq .faq-help__list dt {
  flex: none;
  min-width: 76px;
  font-size: 11px;
  letter-spacing: 0.12em;
  color: var(--paper-muted);
  align-self: center;
}

.page-faq .faq-help__list dd {
  margin: 0;
  font-family: var(--font-mono);
  font-size: 14px;
  letter-spacing: 0.01em;
  color: var(--paper-ink);
  word-break: break-word;
}

.page-faq .faq-help__tail {
  margin: 18px 0 0;
  font-size: 13px;
  line-height: 1.76;
  color: var(--paper-muted);
}

.page-faq .faq-help__tail a {
  color: var(--paper-ink);
  text-decoration: none;
  border-bottom: 1px solid var(--paper-ink);
}

.page-faq .faq-help__tail a:hover {
  color: var(--orange);
  border-bottom-color: var(--orange);
}

/* ---------- 右侧窄栏 ---------- */
.page-faq .faq-rail {
  display: grid;
  gap: 14px;
  align-content: start;
}

.page-faq .faq-rail__card {
  padding: 20px;
  background: var(--panel);
  border: 1px solid var(--line);
  clip-path: var(--faq-cut);
}

.page-faq .faq-rail__eyebrow {
  margin: 0;
  font-family: var(--font-mono);
  font-size: 11px;
  letter-spacing: 0.16em;
  color: var(--orange);
}

.page-faq .faq-rail__title {
  margin: 10px 0 0;
  font-family: var(--font-display);
  font-weight: 700;
  font-size: 18px;
  line-height: 1.3;
  color: var(--cream);
}

.page-faq .faq-rail__text {
  margin: 10px 0 0;
  font-size: 13px;
  line-height: 1.78;
  color: var(--mist);
}

.page-faq .faq-rail__link {
  margin: 14px 0 0;
}

.page-faq .faq-rail__link a {
  display: inline-block;
  font-size: 13px;
  color: var(--cyan);
  text-decoration: none;
  border-bottom: 1px solid rgba(53, 228, 206, 0.45);
  padding-bottom: 2px;
}

.page-faq .faq-rail__link a:hover {
  border-bottom-color: currentColor;
}

.page-faq .faq-rail__link a:focus-visible {
  outline: 2px solid var(--cyan);
  outline-offset: 3px;
}

.page-faq .faq-rail__note {
  padding: 16px 18px;
  background: var(--ink-deep);
  border: 1px solid var(--line);
  border-left: 2px solid var(--cyan);
}

.page-faq .faq-rail__note--alt {
  border-left-color: var(--gold);
}

.page-faq .faq-rail__note-title {
  margin: 0;
  font-size: 11px;
  letter-spacing: 0.16em;
  color: var(--mist);
}

.page-faq .faq-rail__note-text {
  margin: 8px 0 0;
  font-size: 13px;
  line-height: 1.74;
  color: var(--mist);
}

.page-faq .faq-rail__mail {
  margin: 10px 0 0;
  font-family: var(--font-mono);
  font-size: 13px;
  letter-spacing: 0.01em;
  color: var(--cream);
  word-break: break-all;
}

/* ---------- 响应式 ---------- */
@media (min-width: 768px) {
  .page-faq .faq-hero h1 {
    font-size: 38px;
  }

  .page-faq .faq-hero__lead {
    font-size: 16px;
  }

  .page-faq .faq-band__inner {
    display: grid;
    grid-template-columns: 1fr auto;
    align-items: center;
    column-gap: 24px;
  }

  .page-faq .faq-band__label {
    grid-column: 1 / -1;
  }

  .page-faq .faq-search {
    margin-top: 0;
    min-width: 260px;
  }

  .page-faq .faq-deep,
  .page-faq .faq-entry {
    padding: 28px 26px;
  }

  .page-faq .faq-entry {
    grid-template-columns: minmax(0, 1fr) 300px;
    align-items: start;
    gap: 28px;
  }

  .page-faq .faq-help {
    padding: 30px 28px;
  }

  .page-faq .faq-help__list > div {
    align-items: center;
  }
}

@media (min-width: 1024px) {
  .page-faq {
    padding-bottom: 96px;
  }

  .page-faq .faq-hero {
    padding: 34px 0 48px;
  }

  .page-faq .faq-hero__inner {
    grid-template-columns: minmax(0, 1.12fr) minmax(0, 0.88fr);
    gap: 48px;
  }

  .page-faq .faq-hero h1 {
    font-size: 44px;
  }

  .page-faq .faq-band {
    padding: 20px 0 22px;
  }

  .page-faq .faq-body {
    grid-template-columns: minmax(0, 1fr) var(--faq-side);
    gap: 48px;
    padding-top: 48px;
  }

  .page-faq .faq-rail {
    position: sticky;
    top: calc(var(--bar) + 20px);
  }

  .page-faq .faq-deep,
  .page-faq .faq-entry,
  .page-faq .faq-help {
    margin-top: 48px;
  }

  .page-faq .faq-deep h2,
  .page-faq .faq-entry h2 {
    font-size: 24px;
  }

  .page-faq .faq-help h2 {
    font-size: 26px;
  }
}

@media (prefers-reduced-motion: reduce) {
  .page-faq .fold__panel {
    animation: none;
  }

  .page-faq .fold__toggle,
  .page-faq .fold__chev::before,
  .page-faq .fold__chev::after,
  .page-faq .faq-tab,
  .page-faq .faq-search__input,
  .page-faq .fold__toggle::before {
    transition: none;
  }
}
<<<END>>>