.page-faq {
  --faq-notch: 22px;
  background: var(--cloud);
  color: var(--ink);
  padding-bottom: clamp(40px, 6vw, 80px);
}

/* ---------- 首屏 ---------- */
.page-faq .faq-hero {
  position: relative;
  isolation: isolate;
  overflow: hidden;
  background: linear-gradient(155deg, var(--deep) 0%, #0d6a99 48%, var(--sky) 100%);
  color: #fff;
  padding: clamp(28px, 4vw, 52px) var(--gutter) clamp(32px, 4vw, 56px);
}

.page-faq .faq-hero::before {
  content: "";
  position: absolute;
  inset: 0;
  z-index: 0;
  background-image: repeating-linear-gradient(102deg, rgba(255, 255, 255, 0.07) 0 1px, transparent 1px 26px);
  pointer-events: none;
}

.page-faq .faq-hero__grid {
  position: relative;
  z-index: 1;
  max-width: var(--wrap);
  margin: 0 auto;
  display: grid;
  grid-template-columns: 1fr;
  gap: clamp(24px, 3.5vw, 48px);
}

.page-faq .breadcrumb {
  margin-bottom: 18px;
}

.page-faq .breadcrumb ol {
  list-style: none;
  display: flex;
  flex-wrap: wrap;
  gap: 8px;
  margin: 0;
  padding: 0;
  font-size: 13px;
}

.page-faq .breadcrumb li + li::before {
  content: "/";
  margin-right: 8px;
  color: rgba(255, 255, 255, 0.45);
}

.page-faq .breadcrumb a {
  color: rgba(255, 255, 255, 0.8);
  text-decoration: none;
  border-bottom: 1px solid transparent;
  transition: border-color var(--dur) var(--ease), color var(--dur) var(--ease);
}

.page-faq .breadcrumb a:hover,
.page-faq .breadcrumb a:focus-visible {
  color: #fff;
  border-bottom-color: var(--gold);
}

.page-faq .breadcrumb [aria-current="page"] {
  color: rgba(255, 255, 255, 0.62);
}

.page-faq .faq-hero__eyebrow {
  color: var(--gold);
  letter-spacing: 0.22em;
  font-size: 12px;
  margin: 0 0 12px;
}

.page-faq .faq-hero h1 {
  margin: 0 0 20px;
  max-width: 20ch;
  color: #fff;
  font-size: clamp(30px, 5.4vw, 62px);
}

.page-faq .faq-hero__lede {
  margin: 0;
  max-width: 60ch;
  color: rgba(255, 255, 255, 0.84);
  font-size: clamp(16px, 1.6vw, 18px);
  line-height: 1.75;
}

.page-faq .faq-hero__stats {
  display: grid;
  grid-template-columns: repeat(3, minmax(0, 1fr));
  gap: 16px;
  margin: 0;
}

.page-faq .faq-hero__stats dt {
  font-size: 12px;
  letter-spacing: 0.1em;
  color: rgba(255, 255, 255, 0.7);
  margin-bottom: 6px;
}

.page-faq .faq-hero__stats dd {
  margin: 0;
  font-size: clamp(22px, 3vw, 34px);
  font-weight: 700;
  color: var(--gold);
  line-height: 1;
}

.page-faq .faq-hero__figure {
  position: relative;
  z-index: 1;
  max-width: var(--wrap);
  margin: clamp(26px, 4vw, 46px) auto 0;
  clip-path: polygon(0 0, 100% 0, 100% calc(100% - var(--faq-notch)), calc(100% - var(--faq-notch)) 100%, 0 100%);
  background: var(--dawn);
}

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

/* ---------- 主体两栏 ---------- */
.page-faq .faq-body {
  max-width: var(--wrap);
  margin: 0 auto;
  padding: clamp(30px, 4.5vw, 60px) var(--gutter) 0;
  display: grid;
  grid-template-columns: 1fr;
  gap: clamp(26px, 4vw, 48px);
}

/* ---------- 左栏问题索引 ---------- */
.page-faq .faq-index {
  border-top: 3px solid var(--sky);
  background: var(--dawn);
  padding: 18px 16px 16px;
  clip-path: polygon(0 0, 100% 0, 100% calc(100% - 16px), calc(100% - 16px) 100%, 0 100%);
}

.page-faq .faq-index__label {
  margin: 0 0 14px;
  font-size: 12px;
  letter-spacing: 0.16em;
  color: var(--gray);
}

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

.page-faq .faq-index__link {
  display: flex;
  align-items: baseline;
  gap: 10px;
  white-space: nowrap;
  padding: 9px 12px;
  background: #fff;
  color: var(--ink);
  text-decoration: none;
  font-size: 15px;
  border-bottom: 3px solid transparent;
  transition: border-color var(--dur) var(--ease), color var(--dur) var(--ease), transform var(--dur) var(--ease);
}

.page-faq .faq-index__link:hover,
.page-faq .faq-index__link:focus-visible {
  border-bottom-color: var(--gold);
  color: var(--sky-deep);
}

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

.page-faq .faq-index__num {
  color: var(--sky);
  font-size: 13px;
}

.page-faq .faq-index__count {
  color: var(--gray);
  font-size: 12px;
}

.page-faq .faq-index__hint {
  margin: 14px 0 0;
  font-size: 13px;
  line-height: 1.7;
  color: var(--gray);
}

/* ---------- 问答分组 ---------- */
.page-faq .faq-group {
  margin-bottom: clamp(34px, 5vw, 62px);
  scroll-margin-top: calc(var(--bar-h) + 24px);
}

.page-faq .faq-group__head {
  display: flex;
  align-items: baseline;
  gap: 12px;
  padding-bottom: 12px;
  margin-bottom: 6px;
  border-bottom: 1px solid rgba(92, 107, 120, 0.3);
}

.page-faq .faq-group__num {
  color: var(--sky);
  font-size: 18px;
  font-weight: 700;
  letter-spacing: 0.04em;
}

.page-faq .faq-group__title {
  flex: 1 1 auto;
  margin: 0;
  color: var(--ink);
}

.page-faq .faq-group__count {
  flex: 0 0 auto;
  color: var(--gray);
  font-size: 13px;
}

/* ---------- 问题条目 ---------- */
.page-faq .faq-item {
  border-bottom: 1px solid rgba(92, 107, 120, 0.18);
  border-left: 3px solid transparent;
  transition: border-color var(--dur) var(--ease), background-color var(--dur) var(--ease);
}

.page-faq .faq-item:hover {
  background: rgba(227, 239, 250, 0.55);
}

.page-faq .faq-item[open] {
  border-left-color: var(--gold);
  background: #fff;
}

.page-faq .faq-item__q {
  display: flex;
  align-items: flex-start;
  gap: 14px;
  padding: 18px 14px 18px 16px;
  cursor: pointer;
  list-style: none;
  font-size: 17px;
  font-weight: 500;
  line-height: 1.6;
  color: var(--ink);
  transition: color var(--dur) var(--ease);
}

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

.page-faq .faq-item__q:hover {
  color: var(--sky-deep);
}

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

.page-faq .faq-item__mark {
  flex: 0 0 auto;
  width: 11px;
  height: 11px;
  margin: 7px 2px 0 auto;
  border-right: 2px solid var(--gray);
  border-bottom: 2px solid var(--gray);
  transform: rotate(45deg);
  transition: transform var(--dur) var(--ease), border-color var(--dur) var(--ease);
}

.page-faq .faq-item[open] .faq-item__mark {
  transform: rotate(225deg);
  border-color: var(--sky);
}

.page-faq .faq-item__a {
  padding: 0 20px 22px 16px;
}

.page-faq .faq-item__a p {
  margin: 0;
  max-width: 62ch;
  font-size: 16px;
  line-height: 1.8;
  color: #33404a;
}

/* ---------- 联系与支持 ---------- */
.page-faq .faq-help {
  display: grid;
  grid-template-columns: 1fr;
  gap: 24px;
}

.page-faq .faq-help__figure {
  margin: 0;
  background: var(--dawn);
  clip-path: polygon(0 0, 100% 0, 100% calc(100% - 18px), calc(100% - 18px) 100%, 0 100%);
}

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

.page-faq .faq-help__caption {
  padding: 12px 16px 16px;
  font-size: 13px;
  line-height: 1.7;
  color: var(--gray);
}

/* ---------- 收尾提示 ---------- */
.page-faq .faq-cta {
  position: relative;
  width: min(var(--wrap), calc(100% - var(--gutter) * 2));
  margin: 0 auto clamp(30px, 5vw, 70px);
  padding: clamp(28px, 4vw, 48px) clamp(22px, 3.5vw, 48px);
  background: linear-gradient(135deg, var(--deep) 0%, var(--lake) 100%);
  color: #fff;
  clip-path: polygon(0 0, 100% 0, 100% calc(100% - var(--faq-notch)), calc(100% - var(--faq-notch)) 100%, 0 100%);
}

.page-faq .faq-cta::after {
  content: "";
  position: absolute;
  inset: 0;
  background-image: repeating-linear-gradient(102deg, rgba(255, 255, 255, 0.08) 0 1px, transparent 1px 24px);
  pointer-events: none;
}

.page-faq .faq-cta__eyebrow {
  position: relative;
  margin: 0 0 10px;
  font-size: 12px;
  letter-spacing: 0.2em;
  color: var(--gold);
}

.page-faq .faq-cta__title {
  position: relative;
  margin: 0 0 14px;
  color: #fff;
}

.page-faq .faq-cta__text {
  position: relative;
  margin: 0 0 22px;
  max-width: 58ch;
  font-size: 16px;
  line-height: 1.8;
  color: rgba(255, 255, 255, 0.86);
}

.page-faq .faq-cta__links {
  position: relative;
  display: flex;
  flex-wrap: wrap;
  gap: 12px;
}

.page-faq .faq-cta__more {
  position: relative;
  margin: 22px 0 0;
  font-size: 14px;
  color: rgba(255, 255, 255, 0.74);
}

.page-faq .faq-cta__more a {
  color: #fff;
  text-decoration: none;
  border-bottom: 1px solid rgba(255, 255, 255, 0.4);
  margin: 0 6px;
  transition: border-color var(--dur) var(--ease), color var(--dur) var(--ease);
}

.page-faq .faq-cta__more a:hover,
.page-faq .faq-cta__more a:focus-visible {
  color: var(--gold);
  border-bottom-color: var(--gold);
}

/* ---------- 响应式 ---------- */
@media (min-width: 720px) {
  .page-faq .faq-help {
    grid-template-columns: minmax(0, 1fr) 280px;
    align-items: start;
  }
}

@media (min-width: 960px) {
  .page-faq .faq-hero__grid {
    grid-template-columns: minmax(0, 7fr) minmax(0, 4fr);
    align-items: end;
  }

  .page-faq .faq-hero__stats {
    grid-template-columns: 1fr;
    gap: 18px;
    padding-left: 26px;
    border-left: 2px solid rgba(255, 255, 255, 0.24);
  }
}

@media (min-width: 1000px) {
  .page-faq .faq-body {
    grid-template-columns: 234px minmax(0, 1fr);
    gap: clamp(30px, 4.5vw, 58px);
  }

  .page-faq .faq-index {
    position: sticky;
    top: calc(var(--bar-h) + 28px);
    align-self: start;
  }

  .page-faq .faq-index__list {
    flex-direction: column;
    overflow-x: visible;
    gap: 2px;
    padding-bottom: 0;
  }

  .page-faq .faq-index__link {
    background: transparent;
    border-bottom: none;
    border-left: 3px solid transparent;
    padding: 10px 8px 10px 10px;
  }

  .page-faq .faq-index__link:hover,
  .page-faq .faq-index__link:focus-visible {
    border-left-color: var(--gold);
    border-bottom-color: transparent;
    background: #fff;
  }

  .page-faq .faq-index__name {
    flex: 1 1 auto;
  }
}

@media (max-width: 560px) {
  .page-faq .faq-hero__stats {
    grid-template-columns: repeat(3, minmax(0, 1fr));
    gap: 12px;
  }

  .page-faq .faq-hero__stats dt {
    font-size: 11px;
    letter-spacing: 0.04em;
  }

  .page-faq .faq-item__q {
    font-size: 16px;
    padding: 16px 10px 16px 12px;
  }

  .page-faq .faq-item__a {
    padding: 0 12px 20px 12px;
  }

  .page-faq .faq-group__count {
    display: none;
  }
}

@media (prefers-reduced-motion: reduce) {
  .page-faq .faq-item,
  .page-faq .faq-item__mark,
  .page-faq .faq-index__link,
  .page-faq .faq-cta__more a {
    transition: none;
  }
}
<<<END>>>