.page-faq {
  --faq-rail: 244px;
  --faq-gap: clamp(24px, 4vw, 56px);
  background: var(--night-900);
  color: var(--ice);
  padding-bottom: clamp(56px, 8vw, 96px);
  overflow-x: hidden;
}

/* ---------- 页头 ---------- */
.page-faq .faq-hero {
  position: relative;
  overflow: hidden;
  padding: clamp(24px, 4vw, 44px) 0 clamp(36px, 6vw, 72px);
  background:
    radial-gradient(120% 150% at 88% 0%, rgba(61, 245, 192, 0.14), transparent 58%),
    linear-gradient(180deg, var(--night-800), var(--night-900));
  border-bottom: 1px solid var(--line);
}
.page-faq .faq-hero__bg {
  position: absolute;
  inset: 0;
  width: 100%;
  height: 100%;
  object-fit: cover;
  opacity: 0.18;
  filter: saturate(0.65);
  pointer-events: none;
}
.page-faq .faq-hero::after {
  content: "";
  position: absolute;
  right: -12%;
  bottom: -70%;
  width: 58%;
  aspect-ratio: 1 / 1;
  background: linear-gradient(135deg, rgba(61, 245, 192, 0.14), transparent 62%);
  transform: rotate(14deg);
  pointer-events: none;
}
.page-faq .faq-hero__inner {
  position: relative;
  z-index: 1;
}
.page-faq .faq-hero .breadcrumb {
  margin-bottom: clamp(20px, 3vw, 36px);
}
.page-faq .faq-hero__inner .kicker {
  margin: 0 0 14px;
}
.page-faq .faq-hero h1 {
  font-family: var(--font-display);
  font-weight: 700;
  font-size: clamp(34px, 7vw, 78px);
  line-height: 1.03;
  letter-spacing: -0.01em;
  margin: 0 0 18px;
  max-width: 14ch;
  color: var(--ice);
}
.page-faq .faq-hero .lede {
  max-width: 40em;
  color: var(--mist);
  font-size: clamp(15px, 1.6vw, 17px);
  line-height: 1.8;
  margin: 0 0 clamp(24px, 4vw, 36px);
}

.page-faq .faq-jump {
  list-style: none;
  margin: 0;
  padding: 0;
  display: flex;
  flex-wrap: wrap;
  gap: 8px;
}
.page-faq .faq-jump__link {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  padding: 8px 14px;
  border: 1px solid var(--line);
  background: rgba(16, 33, 58, 0.72);
  color: var(--ice);
  font-size: 14px;
  line-height: 1.4;
  text-decoration: none;
  transition: border-color 0.18s var(--ease), background 0.18s var(--ease), color 0.18s var(--ease);
}
.page-faq .faq-jump__link .mono {
  font-size: 11px;
  letter-spacing: 0.1em;
  color: var(--cyan);
}
.page-faq .faq-jump__link:hover,
.page-faq .faq-jump__link:focus-visible {
  border-color: var(--cyan);
  background: rgba(61, 245, 192, 0.1);
  color: var(--ice);
}

/* ---------- 布局 ---------- */
.page-faq .faq-layout {
  display: grid;
  grid-template-columns: 1fr;
  gap: var(--faq-gap);
  padding-top: clamp(32px, 5vw, 64px);
  min-width: 0;
}
.page-faq .faq-body {
  min-width: 0;
}

/* ---------- 分类索引 ---------- */
.page-faq .faq-index {
  display: flex;
  flex-direction: column;
  gap: 18px;
  min-width: 0;
}
.page-faq .faq-index__title {
  margin: 0;
  font-size: 11px;
  letter-spacing: 0.22em;
  color: var(--cyan);
}
.page-faq .faq-index__list {
  list-style: none;
  margin: 0;
  padding: 0;
  border-top: 1px solid var(--line);
}
.page-faq .faq-index__link {
  display: flex;
  align-items: baseline;
  gap: 12px;
  padding: 12px 2px;
  border-bottom: 1px solid var(--line);
  color: var(--mist);
  font-size: 15px;
  text-decoration: none;
  transition: color 0.18s var(--ease), padding-left 0.18s var(--ease);
}
.page-faq .faq-index__link .mono {
  font-size: 11px;
  letter-spacing: 0.08em;
  color: var(--line);
  transition: color 0.18s var(--ease);
}
.page-faq .faq-index__link:hover,
.page-faq .faq-index__link:focus-visible {
  color: var(--ice);
  padding-left: 8px;
}
.page-faq .faq-index__link:hover .mono,
.page-faq .faq-index__link:focus-visible .mono {
  color: var(--cyan);
}

.page-faq .faq-side {
  padding: 16px 18px 18px;
  background: var(--panel);
  border-top: 2px solid var(--cyan);
  border-left: 1px solid var(--line);
  border-right: 1px solid var(--line);
  border-bottom: 1px solid var(--line);
}
.page-faq .faq-side__title {
  margin: 0 0 10px;
  font-family: var(--font-label);
  font-size: 12px;
  font-weight: 600;
  letter-spacing: 0.14em;
  color: var(--mist);
  text-transform: uppercase;
}
.page-faq .faq-side__links {
  list-style: none;
  margin: 0;
  padding: 0;
  display: flex;
  flex-direction: column;
  gap: 9px;
}
.page-faq .faq-side__links a {
  color: var(--ice);
  font-size: 14px;
  line-height: 1.5;
  text-decoration: none;
  border-bottom: 1px dashed transparent;
  transition: color 0.18s var(--ease), border-color 0.18s var(--ease);
}
.page-faq .faq-side__links a:hover,
.page-faq .faq-side__links a:focus-visible {
  color: var(--cyan);
  border-bottom-color: var(--cyan);
}

/* ---------- 问题分组 ---------- */
.page-faq .faq-group {
  scroll-margin-top: 108px;
  margin-bottom: clamp(40px, 6vw, 72px);
  min-width: 0;
}
.page-faq .faq-group:last-child {
  margin-bottom: 0;
}
.page-faq .faq-group__idx {
  margin: 0;
  font-size: 11px;
  letter-spacing: 0.2em;
  color: var(--cyan);
}
.page-faq .faq-group__title {
  font-family: var(--font-display);
  font-weight: 700;
  font-size: clamp(24px, 4vw, 42px);
  line-height: 1.1;
  margin: 8px 0 10px;
  color: var(--ice);
}
.page-faq .faq-group__note {
  margin: 0 0 22px;
  max-width: 44em;
  color: var(--mist);
  font-size: 15px;
  line-height: 1.75;
}

/* ---------- 折叠问答 ---------- */
.page-faq .accordion {
  border-top: 1px solid var(--line);
}
.page-faq .accordion__item {
  position: relative;
  border-bottom: 1px solid var(--line);
  transition: background 0.2s var(--ease);
}
.page-faq .accordion__item::before {
  content: "";
  position: absolute;
  left: 0;
  top: 0;
  bottom: 0;
  width: 2px;
  background: var(--cyan);
  transform: scaleY(0);
  transform-origin: top center;
  transition: transform 0.25s var(--ease);
}
.page-faq .accordion__item:has(.accordion__trigger[aria-expanded="true"]) {
  background: linear-gradient(90deg, rgba(61, 245, 192, 0.09), transparent 62%);
}
.page-faq .accordion__item:has(.accordion__trigger[aria-expanded="true"])::before {
  transform: scaleY(1);
}
.page-faq .accordion__heading {
  margin: 0;
  font-size: inherit;
  font-weight: inherit;
}
.page-faq .accordion__trigger {
  width: 100%;
  display: grid;
  grid-template-columns: auto minmax(0, 1fr) auto;
  align-items: center;
  gap: 14px;
  padding: 18px 4px 18px 16px;
  background: none;
  border: 0;
  color: var(--ice);
  font-family: var(--font-body);
  font-size: clamp(15px, 1.7vw, 17px);
  font-weight: 500;
  line-height: 1.5;
  text-align: left;
  cursor: pointer;
  transition: color 0.18s var(--ease);
}
.page-faq .accordion__trigger:hover,
.page-faq .accordion__trigger:focus-visible {
  color: var(--cyan);
}
.page-faq .accordion__trigger:focus-visible {
  outline: 2px solid var(--cyan);
  outline-offset: -2px;
}
.page-faq .accordion__num {
  font-size: 12px;
  letter-spacing: 0.08em;
  color: var(--mist);
}
.page-faq .accordion__q {
  min-width: 0;
  overflow-wrap: break-word;
}
.page-faq .accordion__icon {
  position: relative;
  display: block;
  width: 14px;
  height: 14px;
  flex: none;
}
.page-faq .accordion__icon::before,
.page-faq .accordion__icon::after {
  content: "";
  position: absolute;
  background: var(--cyan);
  transition: transform 0.25s var(--ease);
}
.page-faq .accordion__icon::before {
  left: 0;
  top: 6px;
  width: 14px;
  height: 2px;
}
.page-faq .accordion__icon::after {
  left: 6px;
  top: 0;
  width: 2px;
  height: 14px;
}
.page-faq .accordion__trigger[aria-expanded="true"] .accordion__icon::after {
  transform: scaleY(0);
}
.page-faq .accordion__panel {
  padding: 0 16px 20px 44px;
}
.page-faq .accordion__panel p {
  margin: 0 0 10px;
  max-width: 42em;
  color: var(--mist);
  font-size: 15px;
  line-height: 1.8;
}
.page-faq .accordion__panel p:first-child {
  color: var(--ice);
}
.page-faq .accordion__panel p:last-child {
  margin-bottom: 0;
}

/* ---------- 客户端配图 ---------- */
.page-faq .faq-figure {
  margin: 0 0 26px;
  border: 1px solid var(--line);
  border-bottom: 3px solid var(--violet);
  background: var(--panel);
}
.page-faq .faq-figure img {
  display: block;
  width: 100%;
  max-width: 100%;
  height: auto;
  aspect-ratio: 3 / 2;
  object-fit: cover;
  opacity: 0.92;
}
.page-faq .faq-figure figcaption {
  padding: 10px 14px 12px;
  color: var(--mist);
  font-size: 13px;
  line-height: 1.6;
}

/* ---------- 联系块 ---------- */
.page-faq .faq-contact {
  margin-top: 28px;
  padding: clamp(20px, 4vw, 32px);
  display: grid;
  grid-template-columns: 1fr;
  gap: 22px;
  background: linear-gradient(120deg, rgba(255, 138, 61, 0.18), rgba(16, 33, 58, 0.92) 58%);
  border-left: 3px solid var(--orange);
  border-top: 1px solid var(--line);
  border-right: 1px solid var(--line);
  border-bottom: 1px solid var(--line);
}
.page-faq .faq-contact__title {
  margin: 0 0 14px;
  font-family: var(--font-display);
  font-size: clamp(20px, 3vw, 28px);
  font-weight: 700;
  color: var(--ice);
}
.page-faq .faq-contact__list {
  list-style: none;
  margin: 0 0 14px;
  padding: 0;
  display: flex;
  flex-direction: column;
  gap: 8px;
}
.page-faq .faq-contact__list li {
  display: flex;
  flex-wrap: wrap;
  gap: 4px 12px;
  font-size: 15px;
  line-height: 1.6;
  color: var(--ice);
  overflow-wrap: break-word;
}
.page-faq .faq-contact__label {
  min-width: 72px;
  font-size: 11px;
  letter-spacing: 0.12em;
  color: var(--orange);
  padding-top: 3px;
}
.page-faq .faq-contact__note {
  margin: 0;
  max-width: 42em;
  color: var(--mist);
  font-size: 13px;
  line-height: 1.7;
}
.page-faq .faq-contact__action {
  display: flex;
  align-items: flex-start;
}

/* ---------- 响应式 ---------- */
@media (min-width: 900px) {
  .page-faq .faq-layout {
    grid-template-columns: var(--faq-rail) minmax(0, 1fr);
    align-items: start;
  }
  .page-faq .faq-index {
    position: sticky;
    top: 104px;
  }
  .page-faq .faq-contact {
    grid-template-columns: minmax(0, 1fr) auto;
    align-items: center;
    gap: 32px;
  }
  .page-faq .faq-contact__action {
    align-items: center;
  }
}

@media (max-width: 599px) {
  .page-faq .accordion__trigger {
    grid-template-columns: auto minmax(0, 1fr) auto;
    gap: 10px;
    padding: 16px 2px 16px 12px;
  }
  .page-faq .accordion__panel {
    padding: 0 12px 18px 34px;
  }
  .page-faq .faq-contact__label {
    min-width: 60px;
  }
}

@media (prefers-reduced-motion: reduce) {
  .page-faq .accordion__item::before,
  .page-faq .accordion__icon::before,
  .page-faq .accordion__icon::after,
  .page-faq .faq-jump__link,
  .page-faq .faq-index__link {
    transition: none;
  }
}
<<<END>>>