.page-faq {
  --faq-rule: rgba(11, 42, 58, 0.11);
  background: var(--snow);
  color: var(--ink);
  font-family: var(--font-sans);
  overflow-x: hidden;
}

/* ============ 首屏 ============ */
.page-faq .faq-hero {
  position: relative;
  padding: 22px 0 0;
  overflow: hidden;
  background:
    radial-gradient(130% 100% at 88% -20%, rgba(179, 136, 255, 0.26), transparent 62%),
    radial-gradient(100% 90% at 0% 0%, rgba(168, 230, 255, 0.6), transparent 68%),
    var(--snow);
}

.page-faq .faq-hero::after {
  content: "";
  position: absolute;
  inset: 0;
  pointer-events: none;
  opacity: 0.42;
  background-image: radial-gradient(rgba(0, 229, 255, 0.3) 1px, transparent 1px);
  background-size: 26px 26px;
  -webkit-mask-image: linear-gradient(180deg, rgba(0, 0, 0, 0.85), transparent 72%);
  mask-image: linear-gradient(180deg, rgba(0, 0, 0, 0.85), transparent 72%);
}

.page-faq .faq-hero > .container {
  position: relative;
  z-index: 1;
}

.page-faq .faq-crumbs {
  font-family: var(--font-mono);
  font-size: 12px;
  letter-spacing: 0.08em;
  margin-bottom: 26px;
}

.page-faq .faq-hero__grid {
  display: grid;
  gap: 30px;
  padding-bottom: 46px;
}

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

.page-faq .faq-hero__eyebrow {
  margin: 0 0 14px;
  font-family: var(--font-mono);
  font-size: 12px;
  letter-spacing: 0.16em;
  color: var(--neon-ink);
}

.page-faq .faq-hero h1 {
  margin: 0 0 20px;
  font-size: clamp(30px, 7vw, 56px);
  line-height: 1.16;
  font-weight: 700;
  letter-spacing: -0.02em;
  color: var(--ink);
}

@supports ((-webkit-background-clip: text) or (background-clip: text)) {
  .page-faq .faq-hero h1 {
    background: linear-gradient(118deg, var(--ink) 34%, var(--aurora-ink) 76%, var(--neon-ink) 100%);
    -webkit-background-clip: text;
    background-clip: text;
    color: transparent;
  }
}

.page-faq .faq-hero__intro {
  margin: 0 0 26px;
  max-width: 58ch;
  font-size: 16px;
  line-height: 1.9;
  color: var(--ink-soft);
}

.page-faq .faq-hero__figure {
  margin: 0;
  border-radius: var(--radius-lg);
  overflow: hidden;
  border: 1px solid rgba(0, 229, 255, 0.35);
  background: var(--ice-mist);
}

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

/* ============ 搜索 ============ */
.page-faq .faq-search {
  max-width: 520px;
  margin-bottom: 20px;
}

.page-faq .faq-search__label {
  display: block;
  margin-bottom: 10px;
  font-family: var(--font-mono);
  font-size: 12px;
  letter-spacing: 0.08em;
  color: var(--muted);
}

.page-faq .faq-search__field {
  position: relative;
}

.page-faq .faq-search__field::before {
  content: "";
  position: absolute;
  left: 18px;
  top: 50%;
  width: 12px;
  height: 12px;
  margin-top: -9px;
  border: 2px solid var(--neon-ink);
  border-radius: 50%;
  pointer-events: none;
}

.page-faq .faq-search__field::after {
  content: "";
  position: absolute;
  left: 29px;
  top: 50%;
  width: 7px;
  height: 2px;
  margin-top: 5px;
  background: var(--neon-ink);
  transform: rotate(45deg);
  pointer-events: none;
}

.page-faq .faq-search__input {
  box-sizing: border-box;
  width: 100%;
  padding: 15px 18px 15px 46px;
  font-family: var(--font-sans);
  font-size: 15px;
  color: var(--ink);
  background: rgba(255, 255, 255, 0.86);
  border: 1.5px solid var(--ice);
  border-radius: var(--radius-md);
  outline: none;
  -webkit-appearance: none;
  appearance: none;
  transition: border-color 0.3s var(--ease), box-shadow 0.3s var(--ease);
}

.page-faq .faq-search__input::placeholder {
  color: var(--muted);
}

.page-faq .faq-search__input:focus {
  border-color: var(--aurora);
  box-shadow: 0 0 0 4px rgba(168, 230, 255, 0.45);
}

/* ============ 分类胶囊 ============ */
.page-faq .faq-chips {
  display: flex;
  flex-wrap: wrap;
  gap: 9px;
  margin: 0;
  padding: 0;
  list-style: none;
}

.page-faq .faq-chip {
  display: inline-flex;
  align-items: center;
  padding: 9px 16px;
  font-size: 14px;
  line-height: 1;
  color: var(--ink-soft);
  text-decoration: none;
  background: rgba(255, 255, 255, 0.78);
  border: 1px solid rgba(11, 42, 58, 0.13);
  border-radius: 999px;
  transition: background 0.28s var(--ease), color 0.28s var(--ease),
    border-color 0.28s var(--ease), transform 0.28s var(--ease);
}

.page-faq .faq-chip:hover,
.page-faq .faq-chip:focus-visible {
  background: var(--ice);
  border-color: rgba(0, 229, 255, 0.6);
  color: var(--ink);
  transform: translateY(-2px);
}

/* ============ 主体骨架 ============ */
.page-faq .faq-body {
  display: grid;
  gap: 26px;
  padding: 52px 0 60px;
}

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

.page-faq .faq-nav__title {
  margin: 0 0 10px;
  font-family: var(--font-mono);
  font-size: 11px;
  letter-spacing: 0.16em;
  color: var(--muted);
}

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

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

.page-faq .faq-nav__link {
  display: flex;
  align-items: center;
  gap: 9px;
  padding: 10px 14px;
  white-space: nowrap;
  font-size: 14px;
  color: var(--ink-soft);
  text-decoration: none;
  background: rgba(255, 255, 255, 0.7);
  border: 1px solid var(--faq-rule);
  border-radius: var(--radius-sm);
  transition: background 0.28s var(--ease), border-color 0.28s var(--ease),
    color 0.28s var(--ease);
}

.page-faq .faq-nav__num {
  font-family: var(--font-mono);
  font-size: 11px;
  letter-spacing: 0.08em;
  color: var(--neon-ink);
}

.page-faq .faq-nav__link:hover,
.page-faq .faq-nav__link:focus-visible,
.page-faq .faq-nav__link[aria-current="true"] {
  background: var(--ice);
  border-color: rgba(0, 229, 255, 0.65);
  color: var(--ink);
}

/* ============ 分组与条目 ============ */
.page-faq .faq-groups {
  min-width: 0;
}

.page-faq .faq-group {
  margin-bottom: 46px;
  scroll-margin-top: 110px;
}

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

.page-faq .faq-group__head {
  display: flex;
  align-items: center;
  gap: 13px;
  margin-bottom: 12px;
}

.page-faq .faq-group__head h2 {
  margin: 0;
  font-size: clamp(20px, 4.4vw, 26px);
  letter-spacing: -0.01em;
  line-height: 1.3;
}

.page-faq .faq-group__lead {
  margin: 0 0 20px;
  max-width: 60ch;
  font-size: 14px;
  line-height: 1.85;
  color: var(--muted);
}

.page-faq .qa {
  position: relative;
  margin-bottom: 12px;
  overflow: hidden;
  background: rgba(255, 255, 255, 0.8);
  border: 1px solid var(--faq-rule);
  border-radius: var(--radius-md);
  transition: background 0.3s var(--ease), border-color 0.3s var(--ease),
    box-shadow 0.3s var(--ease);
}

.page-faq .qa::before {
  content: "";
  position: absolute;
  left: 0;
  top: 14px;
  bottom: 14px;
  width: 3px;
  border-radius: 0 3px 3px 0;
  background: var(--neon);
  transform: scaleY(0);
  transform-origin: top;
  transition: transform 0.32s var(--ease);
}

.page-faq .qa[open] {
  background: #ffffff;
  border-color: rgba(0, 229, 255, 0.5);
  box-shadow: 0 14px 34px -22px rgba(11, 42, 58, 0.6);
}

.page-faq .qa[open]::before {
  transform: scaleY(1);
}

.page-faq .qa__summary {
  display: flex;
  align-items: flex-start;
  gap: 12px;
  padding: 16px 18px;
  cursor: pointer;
  list-style: none;
  font-size: 15px;
  font-weight: 600;
  line-height: 1.6;
  color: var(--ink);
}

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

.page-faq .qa__num {
  flex: none;
  padding-top: 3px;
  font-family: var(--font-mono);
  font-size: 11px;
  letter-spacing: 0.08em;
  color: var(--neon-ink);
}

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

.page-faq .qa__sign {
  position: relative;
  flex: none;
  width: 22px;
  height: 22px;
  margin-top: 1px;
  border: 1px solid rgba(11, 42, 58, 0.2);
  border-radius: 50%;
  transition: background 0.3s var(--ease), border-color 0.3s var(--ease),
    transform 0.3s var(--ease);
}

.page-faq .qa__sign::before,
.page-faq .qa__sign::after {
  content: "";
  position: absolute;
  left: 50%;
  top: 50%;
  background: var(--ink);
  transform: translate(-50%, -50%);
  transition: opacity 0.3s var(--ease);
}

.page-faq .qa__sign::before {
  width: 10px;
  height: 1.5px;
}

.page-faq .qa__sign::after {
  width: 1.5px;
  height: 10px;
}

.page-faq .qa[open] .qa__sign {
  background: var(--action);
  border-color: var(--action);
  transform: rotate(180deg);
}

.page-faq .qa[open] .qa__sign::after {
  opacity: 0;
}

.page-faq .qa__body {
  display: grid;
  gap: 14px;
  padding: 0 18px 18px;
}

.page-faq .qa__body p {
  margin: 0 0 0 24px;
  font-size: 15px;
  line-height: 1.85;
  color: var(--ink-soft);
}

.page-faq .qa__body p a {
  color: var(--aurora-ink);
  text-decoration: underline;
  text-underline-offset: 3px;
}

.page-faq .qa__contact {
  justify-self: start;
  margin-left: 24px;
  display: inline-flex;
  align-items: center;
  padding: 8px 16px;
  font-size: 13px;
  line-height: 1.4;
  color: var(--ink);
  text-decoration: none;
  background: transparent;
  border: 1.5px solid var(--action);
  border-radius: 999px;
  transition: background 0.3s var(--ease), color 0.3s var(--ease);
}

.page-faq .qa__contact:hover,
.page-faq .qa__contact:focus-visible {
  background: var(--action);
  color: var(--ink);
}

/* ============ 双端配图 ============ */
.page-faq .faq-split-media {
  margin: 0 0 22px;
  border-radius: var(--radius-md);
  overflow: hidden;
  border: 1px solid rgba(179, 136, 255, 0.4);
  background: linear-gradient(140deg, var(--ice-mist), rgba(179, 136, 255, 0.16));
}

.page-faq .faq-split-media figcaption {
  padding: 12px 16px;
  font-family: var(--font-mono);
  font-size: 11px;
  letter-spacing: 0.06em;
  line-height: 1.7;
  color: var(--aurora-ink);
  background: rgba(255, 255, 255, 0.7);
}

/* ============ 收束带 ============ */
.page-faq .faq-callout {
  padding: 54px 0 66px;
  background:
    radial-gradient(90% 120% at 12% 0%, rgba(0, 229, 255, 0.22), transparent 58%),
    var(--indigo);
  color: var(--snow);
}

.page-faq .faq-callout__inner {
  display: grid;
  gap: 26px;
  align-items: center;
}

.page-faq .faq-callout__eyebrow {
  margin: 0 0 10px;
  font-family: var(--font-mono);
  font-size: 11px;
  letter-spacing: 0.16em;
  color: var(--ice);
}

.page-faq .faq-callout h2 {
  margin: 0 0 12px;
  font-size: clamp(22px, 5vw, 32px);
  line-height: 1.3;
  letter-spacing: -0.01em;
  color: var(--snow);
}

.page-faq .faq-callout__note {
  margin: 0;
  max-width: 52ch;
  font-size: 15px;
  line-height: 1.85;
  color: rgba(247, 252, 255, 0.82);
}

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

/* ============ 入场动效 ============ */
.page-faq [data-reveal] {
  opacity: 0;
  transform: translateY(12px);
  transition: opacity 0.32s var(--ease), transform 0.32s var(--ease);
}

.page-faq [data-reveal].is-visible {
  opacity: 1;
  transform: none;
}

/* ============ 响应式 ============ */
@media (min-width: 720px) {
  .page-faq .faq-hero {
    padding-top: 28px;
  }

  .page-faq .faq-hero__grid {
    padding-bottom: 56px;
  }

  .page-faq .faq-body {
    padding: 64px 0 72px;
    gap: 34px;
  }

  .page-faq .faq-callout__inner {
    grid-template-columns: minmax(0, 1.5fr) auto;
    gap: 40px;
  }

  .page-faq .faq-split-media {
    margin-bottom: 26px;
  }
}

@media (min-width: 920px) {
  .page-faq .faq-hero__grid {
    grid-template-columns: minmax(0, 1.12fr) minmax(0, 0.88fr);
    align-items: end;
    gap: 48px;
  }

  .page-faq .faq-hero__figure {
    transform: translateY(26px) rotate(-1.5deg);
  }
}

@media (min-width: 1020px) {
  .page-faq .faq-body {
    grid-template-columns: 218px minmax(0, 1fr);
    gap: 56px;
    align-items: start;
  }

  .page-faq .faq-nav {
    position: sticky;
    top: 108px;
    align-self: start;
  }

  .page-faq .faq-nav__list {
    flex-direction: column;
    overflow: visible;
    padding: 0;
    gap: 6px;
  }

  .page-faq .faq-nav__link {
    padding: 11px 14px;
    white-space: normal;
  }

  .page-faq .qa__body p,
  .page-faq .qa__contact {
    margin-left: 28px;
  }
}

@media (max-width: 560px) {
  .page-faq .qa__body p,
  .page-faq .qa__contact {
    margin-left: 0;
  }

  .page-faq .qa__summary {
    padding: 14px 15px;
  }

  .page-faq .qa__body {
    padding: 0 15px 16px;
  }

  .page-faq .faq-hero__figure {
    border-radius: var(--radius-md);
  }
}

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

  .page-faq .qa::before,
  .page-faq .qa__sign,
  .page-faq .faq-chip {
    transition: none;
  }
}
<<<END>>>