.page-faq {
  --faq-ink: var(--gx-void);
  --faq-soft: rgba(242, 245, 252, 0.06);
  --faq-soft-2: rgba(242, 245, 252, 0.1);
  --faq-gap: clamp(20px, 3vw, 40px);
  background: var(--gx-void);
  color: var(--gx-mist);
  font-family: var(--gx-font-body);
}

.page-faq .faq-crumb {
  margin-bottom: clamp(20px, 4vw, 38px);
}

/* ---------- 首屏 ---------- */
.page-faq .faq-hero {
  position: relative;
  overflow: hidden;
  padding: clamp(26px, 5vw, 52px) 0 clamp(40px, 6vw, 76px);
  background:
    radial-gradient(120% 90% at 88% 0%, rgba(56, 232, 208, 0.12), transparent 62%),
    linear-gradient(163deg, #1c1546 0%, var(--gx-nebula) 36%, var(--gx-void) 82%);
}

.page-faq .faq-hero::before {
  content: "";
  position: absolute;
  right: -10%;
  top: 38%;
  width: 70%;
  height: 1px;
  background: linear-gradient(90deg, transparent, var(--gx-cyan));
  transform: rotate(-12deg);
  opacity: 0.55;
  pointer-events: none;
}

.page-faq .faq-hero__grid {
  display: grid;
  gap: clamp(24px, 4vw, 44px);
  align-items: start;
}

.page-faq .faq-hero__title {
  margin: 10px 0 0;
  max-width: 16em;
}

.page-faq .faq-hero__lede {
  margin-top: 18px;
  color: var(--gx-slate);
  max-width: 44ch;
}

.page-faq .faq-hero__actions {
  display: flex;
  flex-wrap: wrap;
  gap: 12px;
  margin-top: 26px;
}

.page-faq .faq-hero__card {
  padding: clamp(20px, 3vw, 28px);
  align-self: start;
}

.page-faq .faq-hero__card-eyebrow {
  margin-bottom: 12px;
}

.page-faq .faq-hero__card-big {
  font-family: var(--gx-font-mono);
  font-size: clamp(1.9rem, 6vw, 2.5rem);
  font-weight: 700;
  letter-spacing: -0.02em;
  color: var(--gx-mist);
  line-height: 1.1;
}

.page-faq .faq-hero__card-big .gx-num {
  color: var(--gx-cyan);
}

.page-faq .faq-hero__card-text {
  margin-top: 12px;
  font-size: 14px;
  line-height: 1.75;
  color: var(--gx-slate);
}

.page-faq .faq-hero__card-text .gx-num {
  color: var(--gx-gold);
  font-weight: 600;
}

.page-faq .faq-hero__card-list {
  list-style: none;
  margin: 18px 0 0;
  padding: 16px 0 0;
  border-top: 1px solid var(--gx-line-soft);
  display: grid;
  gap: 10px;
}

.page-faq .faq-hero__card-list li {
  display: flex;
  flex-wrap: wrap;
  gap: 8px;
  align-items: baseline;
  font-size: 13px;
}

.page-faq .faq-hero__card-list span {
  font-family: var(--gx-font-mono);
  font-size: 11px;
  letter-spacing: 0.16em;
  color: var(--gx-slate);
}

.page-faq .faq-hero__card-list strong {
  color: var(--gx-mist);
  font-weight: 500;
  word-break: break-all;
}

.page-faq .faq-hero__figure {
  margin: clamp(28px, 5vw, 52px) 0 0;
  position: relative;
  border: 1px solid var(--gx-line);
  background: var(--gx-indigo);
  clip-path: polygon(0 0, 100% 0, 100% calc(100% - 18px), calc(100% - 18px) 100%, 0 100%);
}

.page-faq .faq-hero__figure img {
  display: block;
  width: 100%;
  height: auto;
  max-width: 100%;
  object-fit: cover;
  opacity: 0.92;
}

/* ---------- 主体布局 ---------- */
.page-faq .faq-body {
  padding: clamp(36px, 6vw, 72px) 0 clamp(40px, 6vw, 80px);
  background: linear-gradient(180deg, var(--gx-void) 0%, #090f28 42%, var(--gx-void) 100%);
}

.page-faq .faq-layout {
  display: grid;
  gap: var(--faq-gap);
  align-items: start;
}

/* ---------- 左侧目录 ---------- */
.page-faq .faq-aside__sticky {
  display: grid;
  gap: 16px;
}

.page-faq .faq-index {
  padding: 18px 16px;
}

.page-faq .faq-index__eyebrow {
  margin-bottom: 14px;
}

.page-faq .faq-index__list {
  list-style: none;
  margin: 0;
  padding: 0;
  display: grid;
  gap: 2px;
}

.page-faq .faq-index__link {
  display: block;
  padding: 10px 12px 10px 14px;
  border-left: 3px solid transparent;
  color: var(--gx-slate);
  font-size: 14px;
  text-decoration: none;
  transition: color 180ms var(--gx-ease), border-color 180ms var(--gx-ease), background 180ms var(--gx-ease);
}

.page-faq .faq-index__link:hover,
.page-faq .faq-index__link:focus-visible {
  color: var(--gx-mist);
  background: rgba(56, 232, 208, 0.06);
  outline: none;
}

.page-faq .faq-index__link--active {
  color: var(--gx-cyan);
  border-left-color: var(--gx-cyan);
  background: rgba(56, 232, 208, 0.08);
  font-weight: 600;
}

.page-faq .faq-keys {
  padding: 16px;
  background: var(--gx-indigo);
  border: 1px solid var(--gx-line-soft);
  transition: border-color 200ms var(--gx-ease);
}

.page-faq .faq-keys:hover,
.page-faq .faq-keys:focus-within {
  border-color: var(--gx-line-strong);
}

.page-faq .faq-keys__eyebrow {
  margin-bottom: 12px;
}

.page-faq .faq-keys__wrap {
  display: flex;
  flex-wrap: wrap;
  gap: 8px;
}

.page-faq .faq-keys__wrap .gx-tag {
  text-decoration: none;
  font-size: 12px;
  padding: 5px 10px;
  transition: background 180ms var(--gx-ease), color 180ms var(--gx-ease);
}

.page-faq .faq-keys__wrap .gx-tag:hover,
.page-faq .faq-keys__wrap .gx-tag:focus-visible {
  background: var(--gx-cyan);
  color: var(--faq-ink);
  outline: none;
}

.page-faq .faq-aside__doc {
  padding: 18px 16px;
  background: linear-gradient(150deg, var(--gx-wine), var(--gx-indigo));
  border: 1px solid rgba(242, 178, 62, 0.32);
}

.page-faq .faq-aside__doc-no {
  font-size: 12px;
  letter-spacing: 0.18em;
  color: var(--gx-gold);
  margin-bottom: 8px;
}

.page-faq .faq-aside__doc-title {
  font-size: 14px;
  line-height: 1.6;
  color: var(--gx-mist);
  margin-bottom: 12px;
}

/* ---------- 问答组 ---------- */
.page-faq .faq-main {
  min-width: 0;
}

.page-faq .faq-group {
  background: var(--gx-indigo);
  border: 1px solid var(--gx-line-soft);
  border-top: 1px solid var(--gx-line-strong);
  padding: clamp(6px, 1vw, 10px) clamp(16px, 3vw, 30px) clamp(14px, 2vw, 20px);
}

.page-faq .faq-group__summary {
  display: grid;
  grid-template-columns: auto 1fr auto auto;
  align-items: center;
  gap: 12px;
  padding: 18px 0;
  cursor: pointer;
  list-style: none;
}

.page-faq .faq-group__summary::-webkit-details-marker { display: none; }
.page-faq .faq-group__summary::marker { content: ""; }

.page-faq .faq-group__no {
  font-size: 12px;
  letter-spacing: 0.14em;
  color: var(--gx-cyan);
  padding: 3px 8px;
  border: 1px solid var(--gx-line-strong);
  border-radius: 2px;
}

.page-faq .faq-group__title {
  margin: 0;
  font-family: var(--gx-font-display);
  font-size: clamp(1.24rem, 3.4vw, 1.6rem);
  font-weight: 700;
  letter-spacing: -0.01em;
  color: var(--gx-mist);
  line-height: 1.25;
}

.page-faq .faq-group__count {
  font-size: 11px;
  letter-spacing: 0.14em;
  color: var(--gx-slate);
  white-space: nowrap;
}

.page-faq .faq-group__body {
  padding-bottom: 6px;
}

.page-faq .faq-group__lede {
  margin: 0 0 16px;
  padding-left: 14px;
  border-left: 2px solid var(--gx-line-strong);
  color: var(--gx-slate);
  font-size: 15px;
}

/* 折叠箭头 */
.page-faq .faq-arrow {
  width: 10px;
  height: 10px;
  border-right: 2px solid var(--gx-cyan);
  border-bottom: 2px solid var(--gx-cyan);
  transform: rotate(45deg);
  transition: transform 220ms var(--gx-ease);
  flex: none;
  margin-left: 4px;
}

.page-faq details[open] > summary .faq-arrow {
  transform: rotate(-135deg);
}

/* 单条问答 */
.page-faq .faq-item {
  border-top: 1px solid var(--gx-line-soft);
}

.page-faq .faq-item:first-of-type {
  border-top: 1px solid var(--gx-line-soft);
}

.page-faq .faq-item__q {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 14px;
  padding: 15px 0;
  cursor: pointer;
  list-style: none;
  font-size: 15.5px;
  font-weight: 600;
  color: var(--gx-mist);
  line-height: 1.55;
  transition: color 180ms var(--gx-ease);
}

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

.page-faq .faq-item__q:hover,
.page-faq .faq-item__q:focus-visible {
  color: var(--gx-cyan);
  outline: none;
}

.page-faq .faq-item[open] > .faq-item__q {
  color: var(--gx-cyan);
}

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

.page-faq .faq-item__a .gx-p {
  margin: 0;
  font-size: 14.5px;
  line-height: 1.8;
  color: var(--gx-slate);
}

/* 组间浅色分隔带 */
.page-faq .faq-divider {
  display: flex;
  align-items: center;
  gap: 12px;
  margin: 22px 0;
  padding: 12px 16px;
  background: var(--faq-soft);
  border-left: 1px solid var(--gx-line-strong);
  clip-path: polygon(0 0, 100% 0, 100% 100%, 0 100%);
}

.page-faq .faq-divider__no {
  font-size: 11px;
  letter-spacing: 0.16em;
  color: var(--gx-cyan);
}

.page-faq .faq-divider__text {
  font-size: 12.5px;
  letter-spacing: 0.04em;
  color: var(--gx-slate);
}

/* ---------- 文档区 ---------- */
.page-faq .faq-docs {
  margin-top: clamp(30px, 5vw, 54px);
  padding: clamp(22px, 4vw, 40px);
  background:
    linear-gradient(160deg, rgba(7, 54, 60, 0.85) 0%, var(--gx-indigo) 55%, #10103a 100%);
  border: 1px solid var(--gx-line);
  scroll-margin-top: 96px;
}

.page-faq .faq-docs__grid {
  display: grid;
  gap: clamp(22px, 4vw, 40px);
  align-items: start;
}

.page-faq .faq-docs__title {
  margin: 10px 0 16px;
}

.page-faq .faq-docs__text .gx-p {
  color: var(--gx-slate);
  font-size: 15px;
}

.page-faq .faq-docs__formats {
  list-style: none;
  margin: 22px 0 0;
  padding: 18px 0 0;
  border-top: 1px solid var(--gx-line-soft);
  display: grid;
  gap: 12px;
}

.page-faq .faq-docs__formats li {
  display: flex;
  gap: 12px;
  align-items: flex-start;
  font-size: 14px;
  line-height: 1.7;
  color: var(--gx-slate);
}

.page-faq .faq-docs__formats .gx-tag {
  flex: none;
  font-family: var(--gx-font-mono);
  font-size: 11px;
  letter-spacing: 0.12em;
  padding: 3px 8px;
  margin-top: 2px;
}

.page-faq .faq-docs__figure {
  margin: 0;
  border: 1px solid var(--gx-line-soft);
  background: var(--gx-void);
  clip-path: polygon(0 0, 100% 0, 100% calc(100% - 16px), calc(100% - 16px) 100%, 0 100%);
}

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

/* 批次网格 */
.page-faq .faq-batches {
  margin-top: clamp(24px, 4vw, 36px);
  padding-top: clamp(20px, 3vw, 28px);
  border-top: 1px solid var(--gx-line-strong);
  display: grid;
  gap: 10px;
  grid-template-columns: minmax(0, 1fr);
}

.page-faq .faq-batch {
  background: rgba(6, 11, 30, 0.55);
  border: 1px solid var(--gx-line-soft);
  transition: border-color 200ms var(--gx-ease), transform 200ms var(--gx-ease);
}

.page-faq .faq-batch:hover {
  border-color: var(--gx-line-strong);
  transform: translateY(-2px);
}

.page-faq .faq-batch__head {
  display: flex;
  align-items: center;
  gap: 10px;
  padding: 12px 14px;
  cursor: pointer;
  list-style: none;
}

.page-faq .faq-batch__head::-webkit-details-marker { display: none; }
.page-faq .faq-batch__head::marker { content: ""; }

.page-faq .faq-batch__no {
  font-size: 11px;
  letter-spacing: 0.1em;
  color: var(--gx-cyan);
  border: 1px solid var(--gx-line-soft);
  padding: 2px 6px;
}

.page-faq .faq-batch__name {
  font-size: 13.5px;
  color: var(--gx-mist);
  font-weight: 500;
  line-height: 1.45;
}

.page-faq .faq-batch__body {
  margin: 0;
  padding: 0 14px 14px;
  font-size: 13px;
  line-height: 1.75;
  color: var(--gx-slate);
  border-top: 1px dashed var(--gx-line-soft);
  padding-top: 10px;
}

.page-faq .faq-batch--current {
  border-color: rgba(242, 178, 62, 0.7);
  background: rgba(242, 178, 62, 0.07);
}

.page-faq .faq-batch--current .faq-batch__no {
  color: var(--gx-gold);
  border-color: rgba(242, 178, 62, 0.6);
}

/* ---------- 兜底三列 ---------- */
.page-faq .faq-fallback {
  padding: clamp(40px, 6vw, 76px) 0 clamp(52px, 7vw, 90px);
  background: linear-gradient(180deg, var(--gx-void) 0%, #0b0a26 60%, var(--gx-nebula) 100%);
  border-top: 1px solid var(--gx-line);
}

.page-faq .faq-fallback__title {
  margin: 12px 0 clamp(24px, 4vw, 38px);
}

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

.page-faq .faq-fallback__card {
  padding: clamp(20px, 3vw, 28px);
  background: var(--gx-indigo);
  border: 1px solid var(--gx-line-soft);
  display: flex;
  flex-direction: column;
  gap: 12px;
}

.page-faq .faq-fallback__card--mid {
  background: linear-gradient(165deg, rgba(124, 33, 64, 0.55), var(--gx-indigo));
  border-color: rgba(242, 178, 62, 0.4);
}

.page-faq .faq-fallback__no {
  font-size: 12px;
  letter-spacing: 0.2em;
  color: var(--gx-cyan);
}

.page-faq .faq-fallback__card--mid .faq-fallback__no {
  color: var(--gx-gold);
}

.page-faq .faq-fallback__card .gx-h3 {
  margin: 0;
}

.page-faq .faq-fallback__card .gx-p {
  margin: 0;
  font-size: 14.5px;
  color: var(--gx-slate);
  flex: 1;
}

.page-faq .faq-fallback__card .gx-btn {
  align-self: flex-start;
}

/* ---------- 浮动按钮 ---------- */
.page-faq .faq-float {
  display: none;
}

/* ---------- 平板及以上 ---------- */
@media (min-width: 720px) {
  .page-faq .faq-hero__grid {
    grid-template-columns: minmax(0, 1.35fr) minmax(0, 1fr);
    gap: clamp(28px, 4vw, 56px);
  }

  .page-faq .faq-batches {
    grid-template-columns: repeat(2, minmax(0, 1fr));
  }

  .page-faq .faq-fallback__grid {
    grid-template-columns: repeat(2, minmax(0, 1fr));
  }

  .page-faq .faq-fallback__card--mid {
    transform: translateY(14px);
  }
}

/* ---------- 桌面：左窄右宽 ---------- */
@media (min-width: 1000px) {
  .page-faq .faq-layout {
    grid-template-columns: 268px minmax(0, 1fr);
    gap: clamp(32px, 4vw, 60px);
  }

  .page-faq .faq-aside__sticky {
    position: sticky;
    top: 84px;
  }

  .page-faq .faq-docs__grid {
    grid-template-columns: minmax(0, 1.25fr) minmax(0, 1fr);
  }

  .page-faq .faq-batches {
    grid-template-columns: repeat(3, minmax(0, 1fr));
  }

  .page-faq .faq-fallback__grid {
    grid-template-columns: repeat(3, minmax(0, 1fr));
  }

  .page-faq .faq-float {
    position: fixed;
    right: 22px;
    bottom: 28px;
    z-index: 30;
    display: flex;
    flex-direction: column;
    gap: 10px;
  }

  .page-faq .faq-float__btn {
    display: block;
    padding: 10px 14px;
    font-family: var(--gx-font-mono);
    font-size: 11px;
    letter-spacing: 0.12em;
    text-decoration: none;
    color: var(--gx-mist);
    background: rgba(23, 18, 58, 0.92);
    border: 1px solid var(--gx-line-strong);
    clip-path: polygon(0 0, 100% 0, 100% calc(100% - 8px), calc(100% - 8px) 100%, 0 100%);
    transition: border-color 180ms var(--gx-ease), transform 180ms var(--gx-ease), color 180ms var(--gx-ease);
  }

  .page-faq .faq-float__btn:hover,
  .page-faq .faq-float__btn:focus-visible {
    border-color: var(--gx-cyan);
    color: var(--gx-cyan);
    transform: translateY(-2px);
    outline: none;
  }

  .page-faq .faq-float__btn--gold {
    color: var(--gx-gold);
    border-color: rgba(242, 178, 62, 0.62);
  }

  .page-faq .faq-float__btn--gold:hover,
  .page-faq .faq-float__btn--gold:focus-visible {
    color: var(--faq-ink);
    background: var(--gx-gold);
    border-color: var(--gx-gold);
  }
}

@media (prefers-reduced-motion: reduce) {
  .page-faq *,
  .page-faq *::before,
  .page-faq *::after {
    transition-duration: 0.01ms !important;
    animation-duration: 0.01ms !important;
    transform: none !important;
  }
}
<<<END>>>