.page-faq {
  --faq-panel-pad: clamp(22px, 4vw, 52px);
}

/* ---------- 面包屑与页头 ---------- */
.page-faq .breadcrumbs {
  display: flex;
  align-items: center;
  gap: 8px;
  padding-top: clamp(18px, 3vw, 32px);
  font-size: 13px;
  color: var(--tea);
}

.page-faq .breadcrumbs__item {
  color: inherit;
  text-decoration: none;
}

.page-faq a.breadcrumbs__item:hover {
  color: var(--yin);
}

.page-faq .breadcrumbs__sep {
  color: var(--gold);
  font-family: var(--font-mono);
}

.page-faq .faq-head {
  padding-top: clamp(14px, 2.4vw, 28px);
  padding-bottom: clamp(22px, 3.6vw, 40px);
}

.page-faq .faq-head__title {
  margin: 10px 0 0;
  font-family: var(--font-cn);
  font-weight: 900;
  font-size: clamp(42px, 10vw, 92px);
  line-height: 1.02;
  letter-spacing: 0.06em;
  color: var(--ink);
}

.page-faq .faq-head__title::after {
  content: "";
  display: block;
  width: 104px;
  height: 10px;
  margin-top: 16px;
  border-radius: var(--pill);
  background: linear-gradient(90deg, var(--yin) 0 46%, var(--gold) 46% 100%);
}

.page-faq .faq-head__lede {
  max-width: 64ch;
  margin: clamp(16px, 2.4vw, 24px) 0 0;
}

.page-faq .faq-quick {
  margin: clamp(18px, 3vw, 28px) 0 0;
}

.page-faq .faq-quick .tag {
  display: inline-flex;
  align-items: center;
  min-height: 44px;
  padding: 0 20px;
  border-radius: var(--pill);
  background: var(--peacock-soft);
  color: var(--peacock-deep);
  border: 1px solid rgba(14, 124, 134, 0.25);
  font-size: 14px;
  font-weight: 600;
  text-decoration: none;
  transition: background 0.2s ease, color 0.2s ease, border-color 0.2s ease;
}

.page-faq .faq-quick .tag:hover {
  background: var(--peacock);
  color: #fff;
  border-color: var(--peacock);
}

.page-faq .faq-quick .tag:focus-visible {
  outline: 3px solid var(--gold);
  outline-offset: 2px;
}

/* ---------- 首图 ---------- */
.page-faq .faq-hero {
  margin: 0 0 clamp(34px, 5vw, 64px);
  border-radius: var(--r-xl);
  background: var(--gold-soft);
  overflow: hidden;
}

.page-faq .faq-hero img {
  display: block;
  width: 100%;
  height: auto;
  object-fit: cover;
}

/* ---------- 章节头 ---------- */
.page-faq .sec-head {
  margin-bottom: clamp(22px, 3.4vw, 38px);
}

.page-faq .sec-head__num {
  display: block;
  font-family: var(--font-mono);
  font-weight: 300;
  font-size: clamp(34px, 6vw, 62px);
  line-height: 1;
  letter-spacing: 0.04em;
  color: var(--gold);
  margin-bottom: 6px;
}

.page-faq .sec-head__num--dark {
  color: var(--gold-soft);
}

.page-faq .sec-head__title {
  margin: 0 0 10px;
}

.page-faq .sec-head__desc {
  max-width: 62ch;
  margin: 0;
}

/* ---------- 角色分段切换 ---------- */
.page-faq .faq-tabs {
  margin-top: clamp(4px, 1vw, 8px);
}

.page-faq .tabs__list {
  display: flex;
  flex-wrap: wrap;
  gap: 6px;
  padding: 6px;
  width: fit-content;
  max-width: 100%;
  border-radius: var(--pill);
  background: rgba(26, 21, 18, 0.05);
}

.page-faq .tabs__tab {
  appearance: none;
  border: 0;
  background: transparent;
  color: var(--rock);
  font-family: var(--font-cn);
  font-size: 15px;
  font-weight: 700;
  letter-spacing: 0.02em;
  min-height: 44px;
  padding: 0 22px;
  border-radius: var(--pill);
  cursor: pointer;
  transition: background 0.2s ease, color 0.2s ease, box-shadow 0.2s ease;
}

.page-faq .tabs__tab:hover {
  background: rgba(232, 178, 58, 0.32);
  color: var(--ink);
}

.page-faq .tabs__tab[aria-selected="true"],
.page-faq .tabs__tab.is-active {
  background: var(--yin);
  color: #fff;
  box-shadow: 0 14px 26px -20px rgba(200, 16, 46, 0.95);
}

.page-faq .tabs__tab:focus-visible {
  outline: 3px solid var(--gold);
  outline-offset: 2px;
}

.page-faq .tabs__panel {
  margin-top: clamp(22px, 3.4vw, 36px);
  min-width: 0;
}

.page-faq .tabs__panel[hidden] {
  display: none;
}

.page-faq .tabs__panel:focus-visible {
  outline: 2px solid var(--gold);
  outline-offset: 6px;
  border-radius: var(--r-l);
}

/* ---------- 问答手风琴 ---------- */
.page-faq .qa-list {
  display: grid;
  gap: 12px;
}

.page-faq .qa {
  background: #fff;
  border: 1px solid var(--line);
  border-radius: var(--r-l);
  overflow: hidden;
  transition: border-color 0.2s ease, box-shadow 0.2s ease;
}

.page-faq .qa[open] {
  border-color: rgba(200, 16, 46, 0.35);
  box-shadow: var(--shadow-card);
}

.page-faq .qa__q {
  display: flex;
  align-items: flex-start;
  gap: 14px;
  min-height: 44px;
  padding: 18px 20px;
  list-style: none;
  cursor: pointer;
  font-family: var(--font-cn);
  font-size: 16px;
  font-weight: 700;
  line-height: 1.5;
  color: var(--ink);
}

.page-faq .qa__q::-webkit-details-marker {
  display: none;
}

.page-faq .qa__q:hover {
  color: var(--yin);
}

.page-faq .qa__q:focus-visible {
  outline: 3px solid var(--gold);
  outline-offset: -3px;
}

.page-faq .qa__idx {
  flex: 0 0 auto;
  font-family: var(--font-mono);
  font-weight: 400;
  font-size: 13px;
  letter-spacing: 0.06em;
  color: var(--yin);
  padding-top: 4px;
}

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

.page-faq .qa__mark {
  flex: 0 0 auto;
  position: relative;
  width: 22px;
  height: 22px;
  margin-top: 2px;
}

.page-faq .qa__mark::before,
.page-faq .qa__mark::after {
  content: "";
  position: absolute;
  background: var(--yin);
  border-radius: 2px;
}

.page-faq .qa__mark::before {
  left: 50%;
  top: 3px;
  width: 2px;
  height: 16px;
  transform: translateX(-50%);
  transition: transform 0.2s ease;
}

.page-faq .qa__mark::after {
  top: 50%;
  left: 3px;
  width: 16px;
  height: 2px;
  transform: translateY(-50%);
}

.page-faq .qa[open] .qa__mark::before {
  transform: translateX(-50%) scaleY(0);
}

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

.page-faq .qa__a p {
  margin: 0;
  padding: 15px 18px;
  border-radius: var(--r-m);
  background: var(--peacock-soft);
  color: var(--rock);
  font-size: 15px;
  line-height: 1.75;
}

/* ---------- 装机参数区 ---------- */
.page-faq .faq-install__grid {
  display: grid;
  gap: clamp(22px, 3.6vw, 40px);
}

.page-faq .faq-install__main {
  display: grid;
  gap: clamp(18px, 2.6vw, 26px);
  min-width: 0;
}

.page-faq .faq-param {
  border-radius: var(--r-l);
  background: rgba(255, 255, 255, 0.82);
  border: 1px solid rgba(232, 178, 58, 0.45);
  overflow: hidden;
}

.page-faq .param__row {
  display: flex;
  flex-wrap: wrap;
  align-items: baseline;
  justify-content: space-between;
  gap: 6px 18px;
  padding: 14px 20px;
  border-bottom: 1px dashed var(--line-strong);
}

.page-faq .param__row:last-child {
  border-bottom: 0;
}

.page-faq .param__key {
  font-size: 14px;
  color: var(--tea);
}

.page-faq .param__val {
  font-family: var(--font-mono);
  font-size: 15px;
  font-weight: 600;
  color: var(--peacock-deep);
  overflow-wrap: anywhere;
}

.page-faq .faq-install__media {
  border-radius: var(--r-xl);
  background: var(--peacock-soft);
  overflow: hidden;
  align-self: start;
}

.page-faq .faq-install__media img {
  display: block;
  width: 100%;
  height: auto;
  object-fit: cover;
}

/* ---------- 人工通道 ---------- */
.page-faq .faq-human__card {
  position: relative;
  border-radius: var(--r-xl);
  padding: var(--faq-panel-pad);
  color: var(--cream);
  background:
    radial-gradient(120% 92% at 8% 0%, rgba(232, 178, 58, 0.3), transparent 58%),
    radial-gradient(96% 84% at 100% 100%, rgba(200, 16, 46, 0.42), transparent 60%),
    var(--ink);
  overflow: hidden;
}

.page-faq .faq-human__title {
  margin: 6px 0 12px;
  font-family: var(--font-cn);
  font-weight: 900;
  font-size: clamp(28px, 5.4vw, 52px);
  line-height: 1.14;
  letter-spacing: 0.04em;
  color: var(--cream);
}

.page-faq .faq-human__desc {
  max-width: 60ch;
  margin: 0 0 clamp(22px, 3.4vw, 34px);
  color: rgba(251, 247, 240, 0.78);
  font-size: 15px;
  line-height: 1.8;
}

.page-faq .faq-human__param {
  border-radius: var(--r-l);
  background: rgba(251, 247, 240, 0.06);
  border: 1px solid var(--line-dark);
  overflow: hidden;
  margin-bottom: clamp(22px, 3.4vw, 32px);
}

.page-faq .faq-human__param .param__row {
  border-bottom-color: var(--line-dark);
}

.page-faq .faq-human__param .param__key {
  color: rgba(251, 247, 240, 0.66);
}

.page-faq .faq-human__param .param__val {
  color: var(--gold-soft);
}

.page-faq .faq-contacts {
  display: grid;
  gap: 14px;
  margin-bottom: clamp(22px, 3.4vw, 32px);
}

.page-faq .faq-contact {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  gap: 10px 18px;
  padding: 16px 20px;
  border-radius: var(--r-l);
  background: rgba(251, 247, 240, 0.08);
  border: 1px solid var(--line-dark);
}

.page-faq .faq-contact__label {
  flex: 0 0 auto;
  margin: 0;
  font-size: 13px;
  letter-spacing: 0.08em;
  color: var(--gold-soft);
}

.page-faq .faq-contact__val {
  flex: 1 1 240px;
  min-width: 0;
  margin: 0;
  font-family: var(--font-mono);
  font-size: 16px;
  font-weight: 600;
  color: var(--cream);
  overflow-wrap: anywhere;
}

.page-faq .faq-contact .copy-btn {
  min-height: 44px;
  padding: 0 18px;
  border-radius: var(--pill);
  border: 1px solid rgba(251, 247, 240, 0.32);
  background: transparent;
  color: var(--cream);
  font-family: var(--font-cn);
  font-size: 14px;
  font-weight: 600;
  cursor: pointer;
  transition: background 0.2s ease, color 0.2s ease, border-color 0.2s ease;
}

.page-faq .faq-contact .copy-btn:hover {
  background: var(--gold);
  color: var(--ink);
  border-color: var(--gold);
}

.page-faq .faq-contact .copy-btn:focus-visible {
  outline: 3px solid var(--gold);
  outline-offset: 2px;
}

.page-faq .faq-human__actions {
  display: flex;
  flex-wrap: wrap;
  gap: 12px;
}

.page-faq .faq-human__actions .btn {
  min-height: 48px;
  display: inline-flex;
  align-items: center;
  padding: 0 26px;
  border-radius: var(--pill);
  text-decoration: none;
}

.page-faq .faq-human__links {
  display: flex;
  flex-wrap: wrap;
  gap: 8px 22px;
  margin: clamp(20px, 3vw, 28px) 0 0;
  padding: 0;
  font-size: 14px;
}

.page-faq .faq-human__links a {
  color: rgba(251, 247, 240, 0.74);
  text-decoration: none;
  border-bottom: 1px solid rgba(232, 178, 58, 0.5);
  padding-bottom: 2px;
  min-height: 24px;
  display: inline-flex;
  align-items: center;
}

.page-faq .faq-human__links a:hover {
  color: var(--gold-soft);
  border-bottom-color: var(--gold-soft);
}

.page-faq .faq-human__links a:focus-visible {
  outline: 3px solid var(--gold);
  outline-offset: 3px;
}

/* ---------- 响应式 ---------- */
@media (max-width: 620px) {
  .page-faq .tabs__list {
    width: 100%;
    display: grid;
    grid-template-columns: 1fr;
    border-radius: var(--r-l);
    padding: 8px;
  }

  .page-faq .tabs__tab {
    width: 100%;
    justify-content: center;
    text-align: center;
  }

  .page-faq .qa__q {
    font-size: 15px;
    padding: 16px 16px;
    gap: 10px;
  }

  .page-faq .qa__a {
    padding: 0 16px 16px;
  }

  .page-faq .param__row {
    flex-direction: column;
    align-items: flex-start;
    padding: 13px 16px;
  }

  .page-faq .faq-contact {
    flex-direction: column;
    align-items: flex-start;
  }

  .page-faq .faq-contact .copy-btn {
    width: 100%;
    justify-content: center;
  }
}

@media (min-width: 900px) {
  .page-faq .faq-install__grid {
    grid-template-columns: minmax(0, 1.18fr) minmax(0, 0.82fr);
    align-items: start;
  }

  .page-faq .faq-contacts {
    grid-template-columns: repeat(2, minmax(0, 1fr));
  }
}
<<<END>>>