.page-faq {
  --faq-line: rgba(138, 151, 168, 0.22);
  --faq-text: #c7d3e3;
  --faq-panel: rgba(18, 28, 46, 0.72);
  background: var(--night-950);
  color: var(--paper-50);
  overflow-x: hidden;
}

/* ---------- 首屏 ---------- */
.page-faq .faq-hero {
  position: relative;
  overflow: hidden;
  padding: calc(var(--header-h) + 42px) 0 44px;
  background:
    radial-gradient(120% 90% at 82% 0%, rgba(255, 59, 48, 0.18) 0%, transparent 62%),
    radial-gradient(90% 80% at 0% 25%, rgba(45, 226, 230, 0.14) 0%, transparent 68%),
    var(--night-950);
}

.page-faq .faq-hero::before {
  content: "";
  position: absolute;
  inset: 0;
  pointer-events: none;
  background-image:
    repeating-linear-gradient(180deg, rgba(168, 247, 247, 0.06) 0 1px, transparent 1px 7px),
    linear-gradient(rgba(45, 226, 230, 0.06) 1px, transparent 1px),
    linear-gradient(90deg, rgba(45, 226, 230, 0.06) 1px, transparent 1px);
  background-size: auto, 76px 76px, 76px 76px;
  mask-image: linear-gradient(180deg, #000 0%, rgba(0, 0, 0, 0.35) 72%, transparent 100%);
  -webkit-mask-image: linear-gradient(180deg, #000 0%, rgba(0, 0, 0, 0.35) 72%, transparent 100%);
}

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

.page-faq .breadcrumb {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  gap: 10px;
  font-size: 13px;
  color: var(--slate-400);
}

.page-faq .breadcrumb a {
  color: var(--slate-400);
  text-decoration: none;
  border-bottom: 1px solid transparent;
  transition: color 0.16s ease, border-color 0.16s ease;
}

.page-faq .breadcrumb a:hover,
.page-faq .breadcrumb a:focus-visible {
  color: var(--cyan-200);
  border-bottom-color: var(--cyan-400);
}

.page-faq .breadcrumb .breadcrumb__item {
  color: var(--paper-50);
}

.page-faq .breadcrumb a + .breadcrumb__item::before {
  content: "/";
  margin-right: 10px;
  color: var(--slate-700);
}

.page-faq .faq-hero__grid {
  display: grid;
  grid-template-columns: minmax(0, 1fr);
  gap: 24px;
  margin-top: 30px;
}

.page-faq .faq-hero__title {
  margin: 0;
  font-family: var(--font-display);
  font-size: clamp(52px, 11vw, 108px);
  font-weight: 900;
  line-height: 0.94;
  letter-spacing: -0.045em;
  color: var(--paper-50);
}

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

.page-faq .faq-hero__aside .lede {
  margin: 0;
  max-width: 46ch;
  font-size: clamp(15px, 1.6vw, 18px);
  line-height: 1.8;
  color: var(--faq-text);
}

.page-faq .faq-hero__actions {
  display: flex;
  flex-wrap: wrap;
  gap: 12px;
  margin-top: 24px;
}

.page-faq .faq-band {
  display: flex;
  flex-wrap: wrap;
  gap: 18px 34px;
  margin-top: 36px;
  padding-top: 22px;
  border-top: 1px solid rgba(168, 247, 247, 0.18);
}

.page-faq .faq-band .data-band__item {
  display: flex;
  flex-direction: column;
  gap: 4px;
  min-width: 116px;
}

.page-faq .faq-band .data-band__value {
  font-family: var(--font-mono);
  font-size: clamp(26px, 3.6vw, 36px);
  font-weight: 700;
  line-height: 1;
  color: var(--cyan-200);
}

.page-faq .faq-band .data-band__label {
  font-size: 13px;
  color: var(--slate-400);
}

/* ---------- 分类索引 ---------- */
.page-faq .faq-index {
  padding: 56px 0 26px;
  background: linear-gradient(180deg, var(--night-950) 0%, var(--night-900) 100%);
}

.page-faq .faq-index__head {
  max-width: 62ch;
}

.page-faq .faq-index__head .eyebrow {
  color: var(--cyan-400);
  font-family: var(--font-mono);
  font-size: 11px;
  letter-spacing: 0.18em;
  text-transform: uppercase;
}

.page-faq .faq-index__head h2 {
  margin: 10px 0 12px;
  font-family: var(--font-display);
  font-size: clamp(26px, 4vw, 40px);
  font-weight: 800;
  line-height: 1.2;
  letter-spacing: -0.02em;
}

.page-faq .faq-index__head p {
  margin: 0;
  font-size: 15px;
  line-height: 1.8;
  color: var(--faq-text);
}

.page-faq .faq-tiles {
  display: grid;
  grid-template-columns: minmax(0, 1fr);
  gap: 14px;
  margin-top: 30px;
}

.page-faq .faq-tile {
  position: relative;
  display: flex;
  flex-direction: column;
  gap: 9px;
  min-height: 172px;
  padding: 20px 18px 20px;
  overflow: hidden;
  border: 1px solid var(--faq-line);
  border-radius: var(--radius-card);
  background: linear-gradient(158deg, rgba(18, 28, 46, 0.96), rgba(7, 12, 22, 0.92));
  color: var(--paper-50);
  text-decoration: none;
  transition: transform 0.18s ease, border-color 0.18s ease, background 0.18s ease;
}

.page-faq .faq-tile::after {
  content: "";
  position: absolute;
  right: -34px;
  top: -34px;
  width: 96px;
  height: 96px;
  background: var(--red-500);
  opacity: 0.13;
  transform: rotate(18deg);
  pointer-events: none;
}

.page-faq .faq-tile:hover,
.page-faq .faq-tile:focus-visible {
  transform: translateY(-3px);
  border-color: rgba(45, 226, 230, 0.62);
  background: linear-gradient(158deg, rgba(24, 38, 60, 0.98), rgba(11, 18, 32, 0.94));
  outline: none;
}

.page-faq .faq-tile__dot {
  width: 8px;
  height: 8px;
  border-radius: 50%;
  background: var(--cyan-400);
  box-shadow: 0 0 0 4px rgba(45, 226, 230, 0.14);
}

.page-faq .faq-tile__num {
  font-family: var(--font-mono);
  font-size: 11px;
  letter-spacing: 0.2em;
  color: var(--slate-400);
}

.page-faq .faq-tile__title {
  font-family: var(--font-display);
  font-size: 19px;
  font-weight: 800;
  letter-spacing: -0.01em;
  line-height: 1.35;
}

.page-faq .faq-tile__desc {
  font-size: 13.5px;
  line-height: 1.7;
  color: var(--faq-text);
}

.page-faq .faq-tile__count {
  margin-top: auto;
  padding-top: 8px;
  font-family: var(--font-mono);
  font-size: 12px;
  letter-spacing: 0.08em;
  color: var(--cyan-200);
}

/* ---------- 图片 ---------- */
.page-faq .faq-figure {
  margin: 32px 0 0;
  border-radius: var(--radius-card);
  overflow: hidden;
  border: 1px solid var(--faq-line);
}

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

.page-faq .faq-figure--inline {
  margin: 0 0 26px;
  max-width: 720px;
}

/* ---------- 问题分组 ---------- */
.page-faq .faq-group {
  padding: 52px 0;
  border-top: 1px solid rgba(59, 70, 88, 0.55);
}

.page-faq .faq-group__head {
  display: grid;
  gap: 8px;
  max-width: 68ch;
  padding-left: 18px;
  margin-bottom: 26px;
  border-left: 3px solid var(--red-500);
}

.page-faq .faq-group__code {
  font-family: var(--font-mono);
  font-size: 11px;
  letter-spacing: 0.18em;
  text-transform: uppercase;
  color: var(--cyan-400);
}

.page-faq .faq-group__head h2 {
  margin: 0;
  font-family: var(--font-display);
  font-size: clamp(24px, 3.6vw, 36px);
  font-weight: 800;
  line-height: 1.2;
  letter-spacing: -0.02em;
}

.page-faq .faq-group__head p {
  margin: 0;
  font-size: 15px;
  line-height: 1.8;
  color: var(--faq-text);
}

.page-faq .faq-list {
  display: grid;
  gap: 10px;
  max-width: 920px;
}

.page-faq .faq-subhead {
  display: flex;
  align-items: center;
  gap: 10px;
  margin: 22px 0 4px;
  padding-top: 18px;
  border-top: 1px dashed rgba(45, 226, 230, 0.28);
  font-family: var(--font-display);
  font-size: 17px;
  font-weight: 700;
  color: var(--cyan-200);
}

.page-faq .faq-subhead .mono {
  font-family: var(--font-mono);
  font-size: 11px;
  letter-spacing: 0.18em;
  color: var(--slate-400);
}

/* ---------- 手风琴 ---------- */
.page-faq .faq-item {
  border: 1px solid var(--faq-line);
  border-radius: 12px;
  background: var(--faq-panel);
  overflow: hidden;
  transition: border-color 0.18s ease;
}

.page-faq .faq-item:hover {
  border-color: rgba(138, 151, 168, 0.42);
}

.page-faq .faq-item__head {
  margin: 0;
  font-size: inherit;
  font-weight: inherit;
  line-height: inherit;
}

.page-faq .faq-q {
  display: grid;
  grid-template-columns: auto minmax(0, 1fr) auto;
  align-items: center;
  gap: 12px;
  width: 100%;
  min-height: 60px;
  padding: 16px 18px;
  border: 0;
  background: transparent;
  color: var(--paper-50);
  font-family: var(--font-body);
  font-size: 16px;
  font-weight: 600;
  line-height: 1.5;
  text-align: left;
  cursor: pointer;
  transition: background 0.16s ease, color 0.16s ease;
}

.page-faq .faq-q:hover {
  background: rgba(45, 226, 230, 0.06);
}

.page-faq .faq-q:focus-visible {
  outline: 2px solid var(--cyan-400);
  outline-offset: -3px;
}

.page-faq .faq-q[aria-expanded="true"] {
  background: rgba(45, 226, 230, 0.09);
  color: var(--cyan-200);
}

.page-faq .faq-q__idx {
  font-family: var(--font-mono);
  font-size: 12px;
  letter-spacing: 0.1em;
  color: var(--slate-400);
}

.page-faq .faq-q[aria-expanded="true"] .faq-q__idx {
  color: var(--cyan-400);
}

.page-faq .faq-q__label {
  min-width: 0;
  overflow-wrap: anywhere;
}

.page-faq .faq-q__sign {
  position: relative;
  flex: none;
  width: 16px;
  height: 16px;
}

.page-faq .faq-q__sign::before,
.page-faq .faq-q__sign::after {
  content: "";
  position: absolute;
  left: 0;
  right: 0;
  top: 50%;
  height: 2px;
  margin-top: -1px;
  background: var(--cyan-400);
  transition: transform 0.2s ease, opacity 0.2s ease;
}

.page-faq .faq-q__sign::after {
  transform: rotate(90deg);
}

.page-faq .faq-q[aria-expanded="true"] .faq-q__sign::after {
  transform: rotate(0deg);
  opacity: 0;
}

.page-faq .faq-a {
  padding: 2px 18px 20px;
  font-size: 15px;
  line-height: 1.8;
  color: var(--faq-text);
}

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

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

.page-faq .faq-a ul {
  margin: 0 0 10px;
  padding-left: 18px;
}

.page-faq .faq-a li {
  margin-bottom: 6px;
}

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

.page-faq .faq-a a {
  color: var(--cyan-200);
  text-decoration: none;
  border-bottom: 1px solid rgba(45, 226, 230, 0.45);
}

.page-faq .faq-a a:hover,
.page-faq .faq-a a:focus-visible {
  color: var(--paper-50);
  border-bottom-color: var(--paper-50);
}

/* ---------- 联系区 ---------- */
.page-faq .faq-contact {
  padding: 54px 0 68px;
  border-top: 1px solid rgba(255, 59, 48, 0.38);
  background:
    linear-gradient(118deg, rgba(184, 31, 25, 0.34) 0%, rgba(11, 18, 32, 0.9) 58%),
    var(--night-900);
}

.page-faq .faq-contact__inner {
  display: grid;
  grid-template-columns: minmax(0, 1fr);
  gap: 30px;
}

.page-faq .faq-contact__copy .eyebrow {
  color: var(--amber-400);
  font-family: var(--font-mono);
  font-size: 11px;
  letter-spacing: 0.18em;
  text-transform: uppercase;
}

.page-faq .faq-contact__copy h2 {
  margin: 10px 0 14px;
  font-family: var(--font-display);
  font-size: clamp(24px, 3.6vw, 34px);
  font-weight: 800;
  line-height: 1.25;
  letter-spacing: -0.02em;
}

.page-faq .faq-contact__copy p {
  margin: 0 0 12px;
  max-width: 56ch;
  font-size: 15px;
  line-height: 1.8;
  color: var(--faq-text);
}

.page-faq .faq-contact__note {
  font-size: 13.5px;
  color: var(--slate-400);
}

.page-faq .faq-contact__note a {
  color: var(--cyan-200);
  text-decoration: none;
  border-bottom: 1px solid rgba(45, 226, 230, 0.45);
}

.page-faq .faq-contact__note a:hover,
.page-faq .faq-contact__note a:focus-visible {
  color: var(--paper-50);
  border-bottom-color: var(--paper-50);
}

.page-faq .faq-contact__list {
  display: grid;
  gap: 10px;
  margin: 0;
  padding: 0;
  list-style: none;
}

.page-faq .faq-contact__row {
  display: grid;
  gap: 4px;
  padding: 14px 16px;
  border: 1px solid rgba(244, 247, 251, 0.16);
  border-radius: 10px;
  background: rgba(7, 12, 22, 0.45);
}

.page-faq .faq-contact__label {
  font-family: var(--font-mono);
  font-size: 11px;
  letter-spacing: 0.18em;
  color: var(--cyan-400);
}

.page-faq .faq-contact__val {
  font-size: 15px;
  line-height: 1.6;
  overflow-wrap: anywhere;
}

.page-faq .faq-contact__row--link {
  border-style: dashed;
  border-color: rgba(45, 226, 230, 0.36);
  background: transparent;
}

.page-faq .faq-contact__link {
  display: inline-flex;
  align-items: center;
  min-height: 32px;
  font-size: 14px;
  font-weight: 600;
  color: var(--cyan-200);
  text-decoration: none;
  transition: color 0.16s ease;
}

.page-faq .faq-contact__link:hover,
.page-faq .faq-contact__link:focus-visible {
  color: var(--paper-50);
}

/* ---------- 响应式 ---------- */
@media (min-width: 640px) {
  .page-faq .faq-tiles {
    grid-template-columns: repeat(2, minmax(0, 1fr));
  }

  .page-faq .faq-q {
    padding: 18px 22px;
    font-size: 17px;
  }

  .page-faq .faq-a {
    padding: 2px 22px 22px;
  }
}

@media (min-width: 940px) {
  .page-faq .faq-hero {
    padding: calc(var(--header-h) + 58px) 0 52px;
  }

  .page-faq .faq-hero__grid {
    grid-template-columns: minmax(0, 1.35fr) minmax(0, 0.85fr);
    align-items: end;
    gap: 40px;
    margin-top: 36px;
  }

  .page-faq .faq-hero__aside {
    padding-bottom: 10px;
  }

  .page-faq .faq-tiles {
    grid-template-columns: repeat(5, minmax(0, 1fr));
  }

  .page-faq .faq-tile {
    min-height: 208px;
  }

  .page-faq .faq-index {
    padding: 68px 0 34px;
  }

  .page-faq .faq-group {
    padding: 64px 0;
  }

  .page-faq .faq-contact {
    padding: 68px 0 84px;
  }

  .page-faq .faq-contact__inner {
    grid-template-columns: minmax(0, 1fr) minmax(0, 0.84fr);
    gap: 48px;
    align-items: start;
  }
}

@media (min-width: 1180px) {
  .page-faq .faq-index__head {
    max-width: 56ch;
  }
}

@media (prefers-reduced-motion: reduce) {
  .page-faq .faq-tile,
  .page-faq .faq-q,
  .page-faq .faq-q__sign::before,
  .page-faq .faq-q__sign::after,
  .page-faq .breadcrumb a {
    transition: none;
  }

  .page-faq .faq-tile:hover,
  .page-faq .faq-tile:focus-visible {
    transform: none;
  }
}
<<<END>>>