.page-faq {
  --faq-rule: rgba(11, 46, 79, .14);
  background: var(--pearl);
  color: var(--ink);
  padding-bottom: clamp(56px, 9vw, 110px);
  overflow-x: hidden;
}

/* ---------- 面包屑 ---------- */
.page-faq .breadcrumb {
  padding-top: clamp(16px, 3vw, 26px);
  font-size: 13px;
}
.page-faq .breadcrumb ol {
  display: flex;
  flex-wrap: wrap;
  gap: 8px;
  margin: 0;
  padding: 0;
  list-style: none;
  color: var(--muted);
}
.page-faq .breadcrumb li + li::before {
  content: "/";
  margin-right: 8px;
  color: var(--muted);
}
.page-faq .breadcrumb a {
  color: var(--sea);
  text-decoration: none;
}
.page-faq .breadcrumb a:hover {
  text-decoration: underline;
}

/* ---------- 首屏 ---------- */
.page-faq .faq-hero {
  position: relative;
  margin-top: clamp(14px, 2.4vw, 24px);
  background:
    radial-gradient(120% 150% at 92% -10%, rgba(26, 110, 168, .58) 0%, rgba(11, 46, 79, 0) 62%),
    linear-gradient(158deg, var(--deep) 0%, var(--midnight) 100%);
  color: var(--pearl);
  overflow: hidden;
}
.page-faq .faq-hero::after {
  content: "";
  position: absolute;
  inset: 0;
  pointer-events: none;
  background-image:
    repeating-linear-gradient(to right, rgba(255, 255, 255, .055) 0 1px, transparent 1px 88px),
    repeating-linear-gradient(to bottom, rgba(255, 255, 255, .045) 0 1px, transparent 1px 88px);
}
.page-faq .faq-hero__inner {
  position: relative;
  z-index: 1;
  display: grid;
  gap: clamp(24px, 4vw, 48px);
  padding: clamp(30px, 6vw, 68px) 0 clamp(34px, 7vw, 78px);
}
.page-faq .faq-hero__kicker {
  margin: 0 0 14px;
  font-family: var(--font-mono);
  font-size: 12px;
  letter-spacing: .18em;
  text-transform: uppercase;
  color: var(--coral);
}
.page-faq .faq-hero h1 {
  margin: 0 0 18px;
  font-size: clamp(30px, 6vw, 56px);
  font-weight: 800;
  line-height: 1.14;
  letter-spacing: -.012em;
}
.page-faq .faq-hero__lead {
  max-width: 48ch;
  margin: 0 0 26px;
  font-size: clamp(15px, 1.7vw, 17px);
  line-height: 1.85;
  color: rgba(247, 249, 251, .84);
}
.page-faq .faq-hero__actions {
  display: flex;
  flex-wrap: wrap;
  gap: 12px;
}
.page-faq .faq-hero__figure {
  margin: 0;
  border: 1px solid var(--line-dark);
  border-radius: var(--radius-lg);
  background: var(--glass);
  overflow: hidden;
  box-shadow: 0 34px 64px -34px rgba(7, 26, 43, .8);
}
.page-faq .faq-hero__figure img {
  display: block;
  width: 100%;
  height: auto;
  aspect-ratio: 3 / 2;
  object-fit: cover;
}

/* ---------- 主体骨架 ---------- */
.page-faq .faq-body {
  display: grid;
  gap: clamp(26px, 4vw, 56px);
  padding-top: clamp(38px, 6vw, 76px);
}

/* ---------- 分区索引 ---------- */
.page-faq .faq-index {
  min-width: 0;
}
.page-faq .faq-index__title {
  margin: 0 0 10px;
  font-family: var(--font-mono);
  font-size: 12px;
  letter-spacing: .16em;
  color: var(--muted);
}
.page-faq .faq-index__list {
  display: flex;
  gap: 8px;
  margin: 0;
  padding: 0 0 4px;
  list-style: none;
  overflow-x: auto;
  scrollbar-width: thin;
}
.page-faq .faq-index__list li {
  flex: 0 0 auto;
}
.page-faq .faq-index__list a {
  display: inline-flex;
  align-items: center;
  gap: 9px;
  min-height: 44px;
  padding: 8px 15px;
  border: 1px solid var(--faq-rule);
  border-radius: 999px;
  background: #fff;
  color: var(--muted);
  font-size: 14px;
  white-space: nowrap;
  text-decoration: none;
  transition: color .2s var(--ease), border-color .2s var(--ease), background-color .2s var(--ease);
}
.page-faq .faq-index__list a:hover,
.page-faq .faq-index__list a:focus-visible {
  color: var(--deep);
  border-color: var(--coral);
  background: var(--coral-soft);
}
.page-faq .faq-index__num {
  font-family: var(--font-mono);
  font-size: 11px;
  letter-spacing: .08em;
  color: var(--sea);
}
.page-faq .faq-index__hint {
  display: none;
  margin: 16px 0 0;
  font-size: 13px;
  line-height: 1.7;
  color: var(--muted);
}

/* ---------- 问答流 ---------- */
.page-faq .faq-flow {
  min-width: 0;
}
.page-faq .faq-section {
  padding: clamp(26px, 4vw, 42px) 0;
  border-top: 1px solid var(--faq-rule);
  scroll-margin-top: 130px;
}
.page-faq .faq-section:first-child {
  border-top: 2px solid var(--deep);
  padding-top: clamp(20px, 3vw, 30px);
}
.page-faq .faq-section:target {
  background: linear-gradient(180deg, rgba(217, 232, 245, .55) 0%, rgba(217, 232, 245, 0) 100%);
}
.page-faq .faq-section__head {
  display: flex;
  align-items: baseline;
  gap: 14px;
  margin-bottom: 10px;
}
.page-faq .faq-section__num {
  font-family: var(--font-mono);
  font-size: 12px;
  letter-spacing: .16em;
  color: var(--coral);
}
.page-faq .faq-section__title {
  margin: 0;
  font-size: clamp(21px, 3vw, 28px);
  font-weight: 800;
  letter-spacing: -.01em;
  line-height: 1.3;
}
.page-faq .faq-section__lead {
  max-width: 62ch;
  margin: 0 0 12px;
  font-size: 15px;
  line-height: 1.8;
  color: var(--muted);
}
.page-faq .faq-section__figure {
  max-width: 480px;
  margin: 18px 0 10px;
}

/* ---------- 折叠问答 ---------- */
.page-faq .qa {
  border-bottom: 1px dashed var(--faq-rule);
}
.page-faq .qa > summary {
  display: flex;
  align-items: flex-start;
  gap: 14px;
  min-height: 44px;
  padding: 20px 0;
  list-style: none;
  cursor: pointer;
  font-size: clamp(16px, 1.9vw, 18px);
  font-weight: 700;
  line-height: 1.65;
  color: var(--ink);
  transition: color .2s var(--ease);
}
.page-faq .qa > summary::-webkit-details-marker {
  display: none;
}
.page-faq .qa > summary::after {
  content: "";
  flex: 0 0 auto;
  width: 10px;
  height: 10px;
  margin: 9px 0 0 auto;
  border-right: 2px solid var(--sea);
  border-bottom: 2px solid var(--sea);
  transform: rotate(45deg);
  transition: transform .24s var(--ease), border-color .2s var(--ease);
}
.page-faq .qa > summary:hover,
.page-faq .qa > summary:focus-visible {
  color: var(--sea);
}
.page-faq .qa[open] > summary {
  color: var(--deep);
}
.page-faq .qa[open] > summary::after {
  transform: rotate(-135deg);
  border-color: var(--coral);
}
.page-faq .qa__body {
  max-width: 64ch;
  margin: 0 0 22px;
  padding: 16px 20px;
  border-left: 3px solid var(--sea);
  border-radius: 0 var(--radius) var(--radius) 0;
  background: var(--sea-soft);
  font-size: 15.5px;
  line-height: 1.9;
  color: var(--ink);
}
.page-faq .qa__body p {
  margin: 0 0 10px;
}
.page-faq .qa__body p:last-child {
  margin-bottom: 0;
}
.page-faq .qa__body a {
  color: var(--sea);
  text-decoration: none;
  border-bottom: 1px solid rgba(26, 110, 168, .4);
}
.page-faq .qa__body a:hover {
  color: var(--coral);
  border-bottom-color: var(--coral);
}
.page-faq .qa__tools {
  margin-top: 14px;
}
.page-faq .faq-num,
.page-faq .faq-mail,
.page-faq .faq-tel {
  font-family: var(--font-mono);
  font-size: .95em;
  font-weight: 700;
  color: var(--deep);
  background: var(--coral-soft);
  padding: 1px 7px;
  border-radius: 5px;
  white-space: nowrap;
}
.page-faq .faq-mail {
  word-break: break-all;
  white-space: normal;
}

/* ---------- 收尾 ---------- */
.page-faq .faq-outro {
  display: grid;
  gap: 20px;
  margin-top: clamp(36px, 6vw, 72px);
  padding: clamp(26px, 4.5vw, 46px);
  border: 1px solid var(--faq-rule);
  border-radius: var(--radius-lg);
  background:
    linear-gradient(120deg, rgba(217, 232, 245, .75) 0%, rgba(255, 224, 214, .45) 100%),
    #fff;
}
.page-faq .faq-outro__title {
  margin: 0 0 10px;
  font-size: clamp(20px, 2.6vw, 26px);
  font-weight: 800;
  letter-spacing: -.01em;
}
.page-faq .faq-outro__text p {
  max-width: 60ch;
  margin: 0;
  font-size: 15.5px;
  line-height: 1.85;
  color: var(--ink);
}
.page-faq .faq-outro__actions {
  display: flex;
  flex-wrap: wrap;
  gap: 12px;
}

/* ---------- 响应式 ---------- */
@media (min-width: 700px) {
  .page-faq .faq-section__figure {
    max-width: 560px;
  }
  .page-faq .faq-outro {
    grid-template-columns: minmax(0, 1fr) auto;
    align-items: center;
  }
  .page-faq .faq-outro__actions {
    justify-content: flex-end;
  }
}

@media (min-width: 900px) {
  .page-faq .faq-hero__inner {
    grid-template-columns: minmax(0, 1.12fr) minmax(0, .88fr);
    align-items: center;
  }
}

@media (min-width: 980px) {
  .page-faq .faq-body {
    grid-template-columns: 236px minmax(0, 1fr);
    align-items: start;
    gap: clamp(32px, 5vw, 64px);
  }
  .page-faq .faq-index {
    position: sticky;
    top: 132px;
    padding-left: 18px;
    border-left: 2px solid var(--faq-rule);
  }
  .page-faq .faq-index__list {
    flex-direction: column;
    gap: 2px;
    padding-bottom: 0;
    overflow: visible;
  }
  .page-faq .faq-index__list a {
    width: 100%;
    border-radius: 0 var(--radius) var(--radius) 0;
    border-color: transparent;
    background: transparent;
    white-space: normal;
    line-height: 1.5;
  }
  .page-faq .faq-index__list a:hover,
  .page-faq .faq-index__list a:focus-visible {
    border-color: transparent;
    background: var(--sea-soft);
  }
  .page-faq .faq-index__hint {
    display: block;
  }
}
<<<END>>>