.page-faq {
  background:
    radial-gradient(120% 60% at 88% 0%, rgba(217, 199, 214, 0.30), transparent 62%),
    radial-gradient(80% 50% at 0% 34%, rgba(227, 236, 234, 0.80), transparent 70%),
    var(--yue);
  color: var(--mo);
  font-family: var(--font-sans);
  overflow-x: hidden;
}

.page-faq .breadcrumb {
  padding-top: clamp(20px, 3vw, 34px);
  font-size: 0.8125rem;
  letter-spacing: 0.04em;
  color: var(--qing);
}

.page-faq .breadcrumb a {
  color: var(--dai);
  text-decoration: none;
  border-bottom: 1px solid transparent;
  transition: border-color 0.25s var(--ease);
}

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

/* ---------- 首屏 ---------- */
.page-faq .faq-hero {
  padding: clamp(20px, 3vw, 34px) 0 clamp(40px, 6vw, 72px);
}

.page-faq .faq-hero__grid {
  display: grid;
  gap: clamp(24px, 3.5vw, 40px);
}

.page-faq .faq-hero__lead h1 {
  margin: 14px 0 0;
  max-width: 20ch;
  font-family: var(--font-serif);
  font-weight: 300;
  font-size: clamp(2rem, 5.6vw, 3.5rem);
  line-height: 1.2;
  letter-spacing: 0.01em;
  color: var(--dai);
}

.page-faq .faq-hero__sub {
  margin: clamp(16px, 2.4vw, 24px) 0 0;
  max-width: 58ch;
  font-size: 1rem;
  line-height: 1.85;
  color: var(--mo);
}

.page-faq .faq-hero__panel {
  position: relative;
  overflow: hidden;
  padding: clamp(22px, 3vw, 30px);
  border-radius: var(--radius);
  background: linear-gradient(150deg, var(--dai), #22383E);
  color: var(--yue);
}

.page-faq .faq-hero__panel::after {
  content: "";
  position: absolute;
  right: -46px;
  bottom: -64px;
  width: 190px;
  height: 190px;
  border-radius: 50%;
  background: radial-gradient(circle at 30% 30%, rgba(201, 169, 106, 0.42), transparent 70%);
  pointer-events: none;
}

.page-faq .faq-hero__panel-title {
  margin: 0 0 18px;
  font-family: var(--font-mono);
  font-size: 0.6875rem;
  letter-spacing: 0.2em;
  text-transform: uppercase;
  color: var(--jin);
}

.page-faq .faq-facts {
  position: relative;
  z-index: 1;
  margin: 0;
  display: grid;
  gap: 14px;
}

.page-faq .faq-facts__row {
  display: grid;
  grid-template-columns: 80px minmax(0, 1fr);
  gap: 12px;
  align-items: baseline;
  padding-bottom: 12px;
  border-bottom: 1px solid rgba(245, 247, 246, 0.14);
}

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

.page-faq .faq-facts dt {
  font-size: 0.8125rem;
  color: rgba(245, 247, 246, 0.62);
}

.page-faq .faq-facts dd {
  margin: 0;
  font-size: 0.9375rem;
  font-weight: 600;
  line-height: 1.6;
  color: var(--yue);
}

.page-faq .faq-hero__figure {
  margin: clamp(28px, 4vw, 48px) 0 0;
  border-radius: var(--radius);
  overflow: hidden;
  background: linear-gradient(135deg, var(--dan), var(--ou));
}

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

/* ---------- 主体两栏 ---------- */
.page-faq .faq-body {
  padding-bottom: clamp(56px, 8vw, 104px);
  display: grid;
  gap: clamp(28px, 4vw, 48px);
}

.page-faq .faq-aside__title {
  margin: 0 0 14px;
  font-family: var(--font-mono);
  font-size: 0.6875rem;
  letter-spacing: 0.18em;
  text-transform: uppercase;
  color: var(--qing);
}

.page-faq .faq-aside__list {
  list-style: none;
  margin: 0;
  padding: 0;
  display: flex;
  flex-wrap: wrap;
  gap: 8px;
}

.page-faq .faq-aside__list a {
  display: block;
  padding: 9px 16px;
  border-left: 2px solid transparent;
  border-radius: 999px;
  background: rgba(227, 236, 234, 0.78);
  color: var(--dai);
  font-size: 0.875rem;
  text-decoration: none;
  transition: color 0.25s var(--ease), background 0.25s var(--ease), border-color 0.25s var(--ease);
}

.page-faq .faq-aside__list a:hover {
  border-left-color: var(--zhu);
  background: rgba(217, 199, 214, 0.42);
  color: var(--zhu);
}

.page-faq .faq-aside__foot {
  margin: 22px 0 0;
  padding-top: 18px;
  border-top: 1px solid rgba(46, 74, 82, 0.14);
  font-size: 0.8125rem;
  line-height: 1.8;
  color: var(--qing);
}

.page-faq .faq-aside__foot a {
  color: var(--zhu);
  text-decoration: none;
  border-bottom: 1px solid rgba(193, 58, 46, 0.45);
  transition: border-color 0.25s var(--ease);
}

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

/* ---------- 问题分组 ---------- */
.page-faq .faq-group {
  scroll-margin-top: calc(var(--top-h) + 28px);
}

.page-faq .faq-group + .faq-group {
  margin-top: clamp(48px, 7vw, 84px);
}

.page-faq .faq-group__head {
  padding-top: 20px;
  margin-bottom: clamp(10px, 2vw, 18px);
  border-top: 1px solid rgba(46, 74, 82, 0.18);
}

.page-faq .faq-group__num {
  display: block;
  margin-bottom: 10px;
  font-family: var(--font-mono);
  font-size: 0.6875rem;
  letter-spacing: 0.18em;
  color: var(--zhu);
}

.page-faq .faq-group__title {
  margin: 0;
  font-family: var(--font-serif);
  font-weight: 300;
  font-size: clamp(1.5rem, 3.2vw, 2rem);
  line-height: 1.32;
  letter-spacing: 0.01em;
  color: var(--dai);
}

.page-faq .faq-group__note {
  margin: 10px 0 0;
  max-width: 52ch;
  font-size: 0.9375rem;
  line-height: 1.8;
  color: var(--qing);
}

/* ---------- 手风琴 ---------- */
.page-faq .accordion {
  border-top: 1px solid rgba(46, 74, 82, 0.14);
}

.page-faq .accordion__item {
  border-bottom: 1px solid rgba(46, 74, 82, 0.14);
  border-radius: var(--radius-sm);
  transition: background 0.25s var(--ease);
}

.page-faq .accordion__item:hover {
  background: rgba(253, 252, 248, 0.7);
}

.page-faq .accordion__trigger {
  display: flex;
  align-items: flex-start;
  justify-content: space-between;
  gap: 20px;
  width: 100%;
  padding: 22px 8px 22px 18px;
  border: 0;
  border-left: 2px solid transparent;
  border-radius: 0;
  background: none;
  font-family: var(--font-serif);
  font-size: 1.0625rem;
  font-weight: 600;
  line-height: 1.65;
  text-align: left;
  color: var(--dai);
  cursor: pointer;
  transition: border-color 0.25s var(--ease), color 0.25s var(--ease), padding-left 0.25s var(--ease);
}

.page-faq .accordion__trigger:hover {
  border-left-color: var(--ou);
  padding-left: 24px;
}

.page-faq .accordion__trigger[aria-expanded="true"] {
  border-left-color: var(--zhu);
  color: var(--mo);
}

.page-faq .accordion__sign {
  position: relative;
  flex: 0 0 auto;
  width: 18px;
  height: 18px;
  margin-top: 6px;
}

.page-faq .accordion__sign::before,
.page-faq .accordion__sign::after {
  content: "";
  position: absolute;
  left: 0;
  right: 0;
  top: 50%;
  height: 1.5px;
  background: var(--qing);
  transform: translateY(-50%);
  transition: transform 0.25s var(--ease), background 0.25s var(--ease);
}

.page-faq .accordion__sign::after {
  transform: translateY(-50%) rotate(90deg);
}

.page-faq .accordion__trigger[aria-expanded="true"] .accordion__sign::before,
.page-faq .accordion__trigger[aria-expanded="true"] .accordion__sign::after {
  background: var(--zhu);
}

.page-faq .accordion__trigger[aria-expanded="true"] .accordion__sign::after {
  transform: translateY(-50%) rotate(0deg);
}

.page-faq .accordion__panel {
  overflow: hidden;
}

.page-faq .accordion__panel > div {
  max-width: 64ch;
  padding: 0 8px 26px 18px;
  font-size: 0.9375rem;
  line-height: 1.9;
  color: var(--mo);
}

.page-faq .accordion__panel p {
  margin: 0;
}

.page-faq .accordion__panel a {
  color: var(--zhu);
  text-decoration: none;
  border-bottom: 1px solid rgba(193, 58, 46, 0.45);
  transition: border-color 0.25s var(--ease);
}

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

/* ---------- 联系与支持 ---------- */
.page-faq .faq-support {
  display: grid;
  gap: clamp(20px, 3vw, 32px);
}

.page-faq .faq-support__card {
  padding: clamp(22px, 3vw, 34px);
  border: 1px solid rgba(46, 74, 82, 0.12);
  border-radius: var(--radius);
  background: var(--xuan);
}

.page-faq .support-list {
  list-style: none;
  margin: 0;
  padding: 0;
  display: grid;
  gap: 20px;
}

.page-faq .support-list__item {
  display: grid;
  grid-template-columns: 84px minmax(0, 1fr);
  gap: 12px;
  align-items: baseline;
}

.page-faq .support-list__label {
  font-family: var(--font-mono);
  font-size: 0.6875rem;
  letter-spacing: 0.12em;
  color: var(--qing);
}

.page-faq .support-list__value {
  font-size: 0.9375rem;
  line-height: 1.8;
  color: var(--mo);
  overflow-wrap: anywhere;
}

.page-faq .support-list__value strong {
  font-family: var(--font-mono);
  font-size: 0.9375rem;
  font-weight: 600;
  color: var(--dai);
}

.page-faq .faq-support__cta {
  margin: clamp(22px, 3vw, 30px) 0 0;
}

.page-faq .faq-support__figure {
  margin: 0;
  border-radius: var(--radius);
  overflow: hidden;
  background: linear-gradient(150deg, var(--dan), var(--ou));
}

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

/* ---------- 响应式 ---------- */
@media (min-width: 700px) {
  .page-faq .faq-support {
    grid-template-columns: minmax(0, 1.15fr) minmax(0, 0.85fr);
    align-items: start;
  }
}

@media (min-width: 900px) {
  .page-faq .faq-hero__grid {
    grid-template-columns: minmax(0, 1fr) minmax(0, 350px);
    align-items: end;
    gap: clamp(32px, 5vw, 72px);
  }
}

@media (min-width: 1000px) {
  .page-faq .faq-body {
    grid-template-columns: 216px minmax(0, 1fr);
    gap: clamp(40px, 6vw, 88px);
    align-items: start;
  }

  .page-faq .faq-aside {
    position: sticky;
    top: calc(var(--top-h) + 28px);
  }

  .page-faq .faq-aside__list {
    flex-direction: column;
    flex-wrap: nowrap;
    gap: 0;
    padding-left: 2px;
    border-left: 1px solid rgba(46, 74, 82, 0.14);
  }

  .page-faq .faq-aside__list a {
    padding: 9px 14px;
    border-radius: 0 var(--radius-sm) var(--radius-sm) 0;
    border-left: 2px solid transparent;
    background: transparent;
  }

  .page-faq .faq-aside__list a:hover {
    border-left-color: var(--zhu);
    background: rgba(217, 199, 214, 0.28);
  }
}

@media (max-width: 419px) {
  .page-faq .support-list__item {
    grid-template-columns: minmax(0, 1fr);
    gap: 4px;
  }

  .page-faq .faq-facts__row {
    grid-template-columns: minmax(0, 1fr);
    gap: 4px;
  }

  .page-faq .accordion__trigger {
    padding-left: 12px;
    font-size: 1rem;
  }

  .page-faq .accordion__panel > div {
    padding-left: 12px;
  }
}