.page-faq {
  --faq-rail: 236px;
  --faq-gap: clamp(22px, 3.6vw, 40px);
  background: var(--mist);
  color: var(--ink);
  padding: clamp(18px, 3vw, 30px) 0 clamp(56px, 7vw, 92px);
  overflow-x: hidden;
}

.page-faq .breadcrumbs {
  margin-bottom: clamp(14px, 2.4vw, 22px);
  font-size: 13px;
  letter-spacing: .02em;
  color: var(--steel);
}

.page-faq .breadcrumbs a {
  color: var(--struct);
  text-decoration: none;
  border-bottom: 1px solid transparent;
  transition: border-color .2s var(--ease), color .2s var(--ease);
}

.page-faq .breadcrumbs a:hover,
.page-faq .breadcrumbs a:focus-visible {
  color: var(--navy);
  border-bottom-color: var(--cyan);
}

/* ---------- 封面首屏 ---------- */
.page-faq .faq-hero {
  position: relative;
  overflow: hidden;
  border-radius: var(--r-lg);
  padding: clamp(26px, 5.2vw, 52px) clamp(20px, 4.6vw, 48px) clamp(24px, 4.4vw, 46px);
  background:
    radial-gradient(120% 140% at 88% 0%, rgba(51, 225, 210, .20) 0%, transparent 58%),
    linear-gradient(158deg, var(--navy) 0%, var(--cobalt) 58%, var(--struct) 100%);
  color: var(--near-white);
  box-shadow: var(--shadow);
}

.page-faq .faq-hero::after {
  content: "";
  position: absolute;
  inset: 0 auto 0 0;
  width: 34px;
  background: repeating-linear-gradient(
    to bottom,
    var(--line-dark) 0 1px,
    transparent 1px 22px
  );
  pointer-events: none;
}

.page-faq .faq-hero .eyebrow {
  position: relative;
  margin: 0 0 14px;
  font-family: var(--font-mono);
  font-size: 12px;
  letter-spacing: .16em;
  text-transform: uppercase;
  color: var(--cyan);
}

.page-faq .faq-hero .display-1 {
  position: relative;
  margin: 0 0 18px;
  font-family: var(--font-display);
  font-weight: 800;
  font-size: clamp(30px, 8.4vw, 60px);
  line-height: 1.06;
  letter-spacing: -.015em;
  color: var(--near-white);
}

.page-faq .faq-hero .lede {
  position: relative;
  margin: 0;
  max-width: 44ch;
  font-size: clamp(14px, 3.6vw, 16.5px);
  line-height: 1.78;
  color: rgba(247, 250, 255, .82);
}

.page-faq .faq-hero__tags {
  position: relative;
  display: flex;
  flex-wrap: wrap;
  gap: 8px;
  margin: 22px 0 0;
  padding: 0;
  list-style: none;
}

.page-faq .faq-hero__tags .pill {
  padding: 6px 14px;
  border-radius: var(--r-pill);
  border: 1px solid rgba(51, 225, 210, .38);
  background: var(--cyan-soft);
  color: var(--near-white);
  font-size: 12.5px;
  letter-spacing: .04em;
}

/* ---------- 主体分栏 ---------- */
.page-faq .faq-layout {
  display: grid;
  gap: var(--faq-gap);
  margin-top: clamp(28px, 4.6vw, 48px);
}

/* ---------- 分类导航 ---------- */
.page-faq .faq-nav {
  align-self: start;
}

.page-faq .faq-nav__title {
  margin: 0 0 10px;
  font-family: var(--font-display);
  font-weight: 700;
  font-size: 14px;
  letter-spacing: .1em;
  text-transform: uppercase;
  color: var(--steel);
}

.page-faq .faq-nav__list {
  display: flex;
  gap: 9px;
  margin: 0;
  padding: 0 0 6px;
  list-style: none;
  overflow-x: auto;
  scrollbar-width: none;
}

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

.page-faq .faq-nav__link {
  display: block;
  flex: 0 0 auto;
  padding: 9px 16px;
  border-radius: var(--r-pill);
  border: 1px solid rgba(30, 60, 116, .18);
  background: #fff;
  color: var(--struct);
  font-size: 13.5px;
  font-weight: 600;
  white-space: nowrap;
  text-decoration: none;
  transition: background .2s var(--ease), color .2s var(--ease), border-color .2s var(--ease);
}

.page-faq .faq-nav__link:hover,
.page-faq .faq-nav__link:focus-visible {
  border-color: var(--cyan);
  color: var(--navy);
}

.page-faq .faq-nav__link.is-active {
  background: var(--cobalt);
  border-color: var(--cobalt);
  color: var(--near-white);
}

/* ---------- 分组的编号标题 ---------- */
.page-faq .faq-body {
  min-width: 0;
}

.page-faq .faq-group {
  scroll-margin-top: 120px;
  margin-bottom: clamp(34px, 5.4vw, 58px);
}

.page-faq .faq-group:last-of-type {
  margin-bottom: clamp(26px, 4vw, 42px);
}

.page-faq .faq-head {
  display: flex;
  align-items: baseline;
  gap: 14px;
  padding-bottom: 12px;
  margin-bottom: 16px;
  border-bottom: 2px solid rgba(30, 60, 116, .16);
}

.page-faq .faq-head__no {
  font-size: clamp(40px, 10vw, 62px);
  font-weight: 700;
  line-height: .82;
  color: var(--struct);
  opacity: .34;
}

.page-faq .faq-head__title {
  margin: 0;
  font-family: var(--font-display);
  font-weight: 700;
  font-size: clamp(21px, 5.6vw, 30px);
  letter-spacing: -.01em;
  color: var(--navy);
}

/* ---------- 手风琴 ---------- */
.page-faq .faq-item {
  background: #fff;
  border: 1px solid var(--line-light);
  border-radius: var(--r-md);
  margin-bottom: 12px;
  overflow: hidden;
  transition: border-color .22s var(--ease), box-shadow .22s var(--ease);
}

.page-faq .faq-item[open] {
  border-color: rgba(51, 225, 210, .55);
  box-shadow: var(--shadow);
}

.page-faq .faq-item > summary {
  display: flex;
  align-items: flex-start;
  gap: 12px;
  padding: 15px 16px;
  cursor: pointer;
  list-style: none;
  font-family: var(--font-display);
  font-weight: 700;
  font-size: clamp(16px, 4.4vw, 19px);
  line-height: 1.42;
  color: var(--navy);
  transition: color .2s var(--ease);
}

.page-faq .faq-item > summary::-webkit-details-marker {
  display: none;
}

.page-faq .faq-item > summary:hover {
  color: var(--struct);
}

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

.page-faq .faq-item__no {
  flex: 0 0 auto;
  padding-top: 2px;
  font-size: 12.5px;
  letter-spacing: .04em;
  color: var(--steel);
}

.page-faq .faq-item[open] .faq-item__no {
  color: var(--struct);
}

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

.page-faq .faq-item__icon {
  position: relative;
  flex: 0 0 auto;
  width: 20px;
  height: 20px;
  margin-top: 5px;
  border-radius: var(--r-pill);
  background: var(--cyan-soft);
}

.page-faq .faq-item__icon::before,
.page-faq .faq-item__icon::after {
  content: "";
  position: absolute;
  top: 50%;
  left: 50%;
  background: var(--struct);
  transform: translate(-50%, -50%);
}

.page-faq .faq-item__icon::before {
  width: 9px;
  height: 2px;
}

.page-faq .faq-item__icon::after {
  width: 2px;
  height: 9px;
  transition: opacity .2s var(--ease), transform .2s var(--ease);
}

.page-faq .faq-item[open] .faq-item__icon {
  background: var(--signal-soft);
}

.page-faq .faq-item[open] .faq-item__icon::before,
.page-faq .faq-item[open] .faq-item__icon::after {
  background: var(--signal);
}

.page-faq .faq-item[open] .faq-item__icon::after {
  opacity: 0;
  transform: translate(-50%, -50%) rotate(90deg);
}

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

.page-faq .faq-item__body > p {
  margin: 0;
  padding: 14px 16px;
  border-radius: var(--r-sm);
  background: var(--mist);
  font-size: 14.5px;
  line-height: 1.78;
  color: var(--ink);
}

.page-faq .faq-item__body a {
  color: var(--struct);
  text-decoration: none;
  border-bottom: 1px solid rgba(51, 225, 210, .7);
}

.page-faq .faq-item__body a:hover,
.page-faq .faq-item__body a:focus-visible {
  color: var(--navy);
  border-bottom-color: var(--signal);
}

/* ---------- 答案配图 ---------- */
.page-faq .faq-figure {
  margin: 14px 0 0;
  border-radius: var(--r-md);
  overflow: hidden;
  background: var(--cobalt);
}

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

.page-faq .faq-figure figcaption {
  padding: 11px 15px 13px;
  font-size: 12.5px;
  line-height: 1.6;
  color: rgba(247, 250, 255, .78);
  background: var(--cobalt);
}

/* ---------- 底部协助入口 ---------- */
.page-faq .faq-cta {
  border-radius: var(--r-lg);
  padding: clamp(24px, 4.6vw, 42px);
  background:
    radial-gradient(110% 150% at 12% 0%, rgba(255, 106, 43, .18) 0%, transparent 56%),
    linear-gradient(150deg, var(--cobalt) 0%, var(--navy) 100%);
  color: var(--near-white);
}

.page-faq .faq-cta__eyebrow {
  margin: 0 0 10px;
  font-family: var(--font-mono);
  font-size: 12px;
  letter-spacing: .14em;
  text-transform: uppercase;
  color: var(--signal);
}

.page-faq .faq-cta__title {
  margin: 0 0 12px;
  font-family: var(--font-display);
  font-weight: 700;
  font-size: clamp(22px, 5.6vw, 32px);
  line-height: 1.2;
  color: var(--near-white);
}

.page-faq .faq-cta__text {
  margin: 0 0 20px;
  max-width: 46ch;
  font-size: 14.5px;
  line-height: 1.76;
  color: rgba(247, 250, 255, .82);
}

.page-faq .faq-cta__text a {
  color: var(--cyan);
  text-decoration: none;
  border-bottom: 1px solid rgba(51, 225, 210, .5);
}

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

.page-faq .faq-cta__contact {
  display: flex;
  flex-wrap: wrap;
  gap: 8px 22px;
  margin: 22px 0 0;
  padding: 16px 0 0;
  list-style: none;
  border-top: 1px solid var(--line-dark);
  font-size: 13px;
  color: rgba(247, 250, 255, .72);
}

.page-faq .faq-cta__contact .num {
  font-family: var(--font-mono);
  letter-spacing: .02em;
  color: var(--near-white);
}

.page-faq .js-reveal {
  opacity: 0;
  transform: translateY(14px);
  transition: opacity .3s var(--ease), transform .3s var(--ease);
}

.page-faq .js-reveal.is-revealed {
  opacity: 1;
  transform: none;
}

@media (prefers-reduced-motion: reduce) {
  .page-faq .js-reveal {
    opacity: 1;
    transform: none;
    transition: none;
  }
}

/* ---------- 桌面：左侧固定分类 + 右侧问答 ---------- */
@media (min-width: 900px) {
  .page-faq .faq-layout {
    grid-template-columns: var(--faq-rail) minmax(0, 1fr);
    gap: clamp(30px, 4vw, 56px);
  }

  .page-faq .faq-nav {
    position: sticky;
    top: 108px;
    padding: 20px 18px;
    border-radius: var(--r-lg);
    background: #fff;
    border: 1px solid var(--line-light);
  }

  .page-faq .faq-nav__list {
    flex-direction: column;
    gap: 4px;
    padding: 0;
    overflow: visible;
  }

  .page-faq .faq-nav__link {
    border: 0;
    border-radius: var(--r-sm);
    padding: 10px 12px;
    white-space: normal;
    font-size: 14px;
    color: var(--struct);
  }

  .page-faq .faq-nav__link.is-active {
    background: var(--cobalt);
    color: var(--near-white);
  }

  .page-faq .faq-head__no {
    opacity: .28;
  }

  .page-faq .faq-item > summary {
    padding: 18px 22px;
  }

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

  .page-faq .faq-item__body > p {
    padding: 16px 20px;
    font-size: 15px;
  }

  .page-faq .faq-cta__actions .btn {
    min-width: 160px;
  }
}

@media (min-width: 1200px) {
  .page-faq .faq-layout {
    grid-template-columns: 260px minmax(0, 1fr);
  }
}
</｜｜DSML｜｜ parameter>
</｜｜DSML｜｜ invoke>
</｜｜DSML｜｜ calls>