.page-faq {
  --faq-rail: 246px;
  --faq-answer-line: rgba(42, 33, 24, 0.2);
  display: block;
}

/* ---------- 首屏 ---------- */
.page-faq .faq-hero {
  position: relative;
  border-bottom: 1px solid var(--line);
  overflow: hidden;
}

.page-faq .faq-hero::before {
  content: "";
  position: absolute;
  top: 0;
  left: 0;
  width: 5px;
  bottom: 0;
  background: var(--blue);
}

.page-faq .faq-hero::after {
  content: "";
  position: absolute;
  left: 0;
  right: 0;
  bottom: 0;
  height: 7px;
  background-image: repeating-linear-gradient(90deg, var(--line-strong) 0 1px, transparent 1px 22px);
  opacity: 0.55;
}

.page-faq .faq-hero__inner {
  display: grid;
  gap: 28px;
  padding: 30px 0 46px;
}

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

.page-faq .breadcrumb {
  font-size: 12.5px;
  letter-spacing: 0.06em;
  color: var(--gray);
  margin-bottom: 20px;
}

.page-faq .breadcrumb a {
  color: var(--gray);
  text-decoration: none;
  border-bottom: 1px solid transparent;
  transition: color var(--t-fast), border-color var(--t-fast);
}

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

.page-faq .breadcrumb__sep {
  margin: 0 8px;
  color: var(--line-strong);
}

.page-faq .breadcrumb__here {
  color: var(--orange);
}

.page-faq .faq-hero__eyebrow {
  margin: 0 0 12px;
  font-size: 12px;
  font-weight: 700;
  letter-spacing: 0.28em;
  color: var(--cyan);
}

.page-faq .faq-hero__title {
  margin: 0 0 18px;
  font-size: clamp(27px, 6.4vw, 50px);
  line-height: 1.08;
  font-weight: 800;
  letter-spacing: -0.02em;
  color: var(--paper);
}

.page-faq .faq-hero__lead {
  margin: 0 0 26px;
  max-width: 60ch;
  font-size: 15.5px;
  line-height: 1.8;
  color: var(--gray);
}

.page-faq .faq-hero__stats {
  list-style: none;
  margin: 0;
  padding: 0;
  display: grid;
  gap: 0;
  border-top: 1px solid var(--line);
}

.page-faq .faq-stat {
  display: flex;
  align-items: baseline;
  gap: 8px;
  flex-wrap: wrap;
  padding: 12px 0;
  border-bottom: 1px solid var(--line);
}

.page-faq .faq-stat__num {
  font-family: var(--font-mono);
  font-variant-numeric: tabular-nums;
  font-size: 28px;
  font-weight: 700;
  line-height: 1;
  color: var(--orange);
}

.page-faq .faq-stat__unit {
  font-size: 13px;
  color: var(--cyan);
  letter-spacing: 0.08em;
}

.page-faq .faq-stat__label {
  flex: 1 1 100%;
  font-size: 12.5px;
  letter-spacing: 0.05em;
  color: var(--gray);
}

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

.page-faq .faq-hero__visual .media-frame {
  border: 1px solid var(--line);
}

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

.page-faq .faq-hero__caption {
  margin: 10px 0 0;
  font-size: 12.5px;
  letter-spacing: 0.04em;
  color: var(--gray);
}

/* ---------- 主体双栏 ---------- */
.page-faq .faq-body {
  display: grid;
  gap: 32px;
  padding: 34px 0 72px;
}

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

.page-faq .faq-nav__head {
  margin: 0 0 12px;
  font-size: 11.5px;
  font-weight: 700;
  letter-spacing: 0.24em;
  color: var(--cyan);
}

.page-faq .faq-nav__list {
  list-style: none;
  margin: 0;
  padding: 0 0 4px;
  display: flex;
  gap: 8px;
  overflow-x: auto;
  scrollbar-width: none;
}

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

.page-faq .faq-nav__link {
  display: block;
  padding: 9px 13px;
  border: 1px solid var(--line);
  background: rgba(19, 28, 43, 0.55);
  color: var(--gray);
  font-size: 13.5px;
  letter-spacing: 0.04em;
  text-decoration: none;
  white-space: nowrap;
  transition: color var(--t-fast), border-color var(--t-fast), background-color var(--t-fast);
}

.page-faq .faq-nav__link:hover,
.page-faq .faq-nav__link[data-active] {
  color: var(--orange);
  border-color: var(--orange);
}

/* ---------- 问答列表 ---------- */
.page-faq .faq-list {
  min-width: 0;
}

.page-faq .faq-group {
  scroll-margin-top: 140px;
  padding-bottom: 4px;
  margin-bottom: 46px;
}

.page-faq .faq-group:last-child {
  margin-bottom: 0;
}

.page-faq .faq-group__head {
  display: flex;
  align-items: center;
  gap: 12px;
  padding-bottom: 12px;
  margin-bottom: 6px;
  border-bottom: 1px solid var(--line);
}

.page-faq .faq-group__icon {
  flex: none;
  width: 24px;
  height: 24px;
  color: var(--blue);
}

.page-faq .faq-group__icon svg {
  display: block;
  width: 100%;
  height: 100%;
}

.page-faq .faq-group__title {
  margin: 0;
  font-size: 14px;
  font-weight: 700;
  letter-spacing: 0.2em;
  color: var(--paper);
}

.page-faq .faq-group__rule {
  flex: 1 1 auto;
  min-width: 24px;
  height: 7px;
  background-image: repeating-linear-gradient(90deg, var(--line-strong) 0 1px, transparent 1px 9px);
  opacity: 0.7;
}

.page-faq .faq-group__body {
  display: grid;
  gap: 22px;
}

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

.page-faq .faq-group__figure {
  margin: 8px 0 0;
  min-width: 0;
}

.page-faq .faq-group__figure .media-frame {
  border: 1px solid var(--line);
}

.page-faq .faq-group__figure .media-frame__caption {
  margin: 10px 0 0;
  font-size: 12.5px;
  line-height: 1.7;
  color: var(--gray);
}

/* ---------- 折叠条目 ---------- */
.page-faq .faq-item {
  border-bottom: 1px solid var(--line);
}

.page-faq .faq-item__q {
  margin: 0;
  font-size: inherit;
  font-weight: inherit;
}

.page-faq .faq-item__trigger {
  display: flex;
  align-items: flex-start;
  gap: 14px;
  width: 100%;
  padding: 17px 0;
  margin: 0;
  background: none;
  border: 0;
  text-align: left;
  font: inherit;
  font-size: 15.5px;
  font-weight: 600;
  line-height: 1.55;
  color: var(--paper);
  cursor: pointer;
  transition: color var(--t-fast);
}

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

.page-faq .faq-item__arrow {
  flex: none;
  width: 9px;
  height: 9px;
  margin-top: 7px;
  border-right: 2px solid var(--gray);
  border-bottom: 2px solid var(--gray);
  transform: rotate(45deg);
  transition: transform var(--t-fast), border-color var(--t-fast);
}

.page-faq .faq-item__trigger:hover {
  color: var(--cyan);
}

.page-faq .faq-item__trigger:hover .faq-item__arrow {
  border-color: var(--orange);
}

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

.page-faq .faq-item__trigger[aria-expanded="true"] .faq-item__arrow {
  transform: rotate(225deg);
  border-color: var(--orange);
}

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

.page-faq .faq-item__panel {
  display: grid;
  grid-template-rows: 0fr;
  transition: grid-template-rows var(--t-fast) ease;
}

.page-faq .faq-item__panel[data-open] {
  grid-template-rows: 1fr;
}

.page-faq .faq-item__inner {
  min-height: 0;
  overflow: hidden;
}

.page-faq .faq-item__answer {
  margin: 0 0 18px;
  padding: 15px 17px 16px;
  background: var(--cream);
  color: var(--brown);
  border-left: 3px solid rgba(42, 33, 24, 0.22);
  font-size: 15px;
  line-height: 1.9;
  transition: border-color var(--t-fast);
}

.page-faq .faq-item__panel[data-open] .faq-item__answer {
  border-left-color: var(--blue);
}

.page-faq .faq-item__answer p {
  margin: 0 0 10px;
}

.page-faq .faq-item__answer p:last-child {
  margin-bottom: 0;
}

.page-faq .faq-item__answer a {
  color: var(--brown);
  text-decoration: underline;
  text-decoration-color: var(--faq-answer-line);
  text-underline-offset: 3px;
  transition: color var(--t-fast), text-decoration-color var(--t-fast);
}

.page-faq .faq-item__answer a:hover {
  color: var(--orange);
  text-decoration-color: var(--orange);
}

/* ---------- 桌面端 ---------- */
@media (min-width: 720px) {
  .page-faq .faq-hero__stats {
    grid-template-columns: repeat(3, minmax(0, 1fr));
    gap: 0 22px;
  }

  .page-faq .faq-stat {
    display: block;
    border-bottom: 0;
    border-top: 2px solid var(--line);
    padding: 14px 0 0;
  }

  .page-faq .faq-stat__num {
    font-size: 34px;
  }

  .page-faq .faq-stat__label {
    display: block;
    margin-top: 8px;
  }
}

@media (min-width: 900px) {
  .page-faq .faq-hero__inner {
    grid-template-columns: minmax(0, 1.08fr) minmax(0, 0.92fr);
    gap: 48px;
    align-items: center;
    padding: 52px 0 62px;
  }

  .page-faq .faq-group__body {
    grid-template-columns: minmax(0, 1fr);
  }
}

@media (min-width: 960px) {
  .page-faq .faq-body {
    grid-template-columns: var(--faq-rail) minmax(0, 1fr);
    gap: 52px;
    align-items: start;
    padding: 58px 0 96px;
  }

  .page-faq .faq-nav {
    position: sticky;
    top: calc(var(--header-h) + 16px);
  }

  .page-faq .faq-nav__list {
    display: block;
    overflow: visible;
    padding-bottom: 0;
    border-top: 1px solid var(--line);
  }

  .page-faq .faq-nav__link {
    border: 0;
    border-bottom: 1px solid var(--line);
    border-left: 2px solid transparent;
    background: transparent;
    padding: 12px 14px;
    font-size: 14px;
  }

  .page-faq .faq-nav__link:hover {
    color: var(--cyan);
    border-color: var(--line);
    border-left-color: var(--cyan);
    background: rgba(46, 123, 255, 0.07);
  }

  .page-faq .faq-nav__link[data-active] {
    color: var(--paper);
    border-color: var(--line);
    border-left-color: var(--orange);
    background: rgba(46, 123, 255, 0.1);
  }

  .page-faq .faq-item__trigger {
    font-size: 16.5px;
    padding: 19px 0;
  }

  .page-faq .faq-item__answer {
    padding: 18px 22px 19px;
    font-size: 15px;
  }
}

@media (min-width: 1180px) {
  .page-faq .faq-group__body {
    grid-template-columns: minmax(0, 1fr) 236px;
    gap: 30px;
    align-items: start;
  }

  .page-faq .faq-group__figure {
    margin-top: 14px;
  }
}
<<<END>>>