.page-faq {
  --faq-gap: clamp(20px, 3vw, 34px);
  --faq-radius: 22px;
  --faq-panel: #F4EDE2;
  --faq-sheen: rgba(43, 232, 208, 0.16);
  background: var(--ink);
  color: var(--paper);
  overflow-x: hidden;
}

/* ---------- 首屏 ---------- */
.page-faq .faq-hero {
  position: relative;
  padding: clamp(28px, 5vw, 56px) 0 clamp(34px, 5vw, 60px);
  isolation: isolate;
}

.page-faq .faq-hero__bg {
  position: absolute;
  inset: 0;
  width: 100%;
  height: 100%;
  object-fit: cover;
  opacity: 0.3;
  z-index: -2;
  -webkit-mask-image: linear-gradient(to bottom, #000 0%, #000 55%, transparent 100%);
  mask-image: linear-gradient(to bottom, #000 0%, #000 55%, transparent 100%);
}

.page-faq .faq-hero::before {
  content: "";
  position: absolute;
  inset: 0;
  z-index: -1;
  background:
    radial-gradient(620px 320px at 82% 8%, var(--faq-sheen), transparent 70%),
    radial-gradient(480px 300px at 6% 92%, rgba(255, 107, 44, 0.16), transparent 72%),
    linear-gradient(180deg, rgba(11, 18, 32, 0.55) 0%, rgba(11, 18, 32, 0.94) 78%, var(--ink) 100%);
}

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

.page-faq .faq-hero .breadcrumb {
  margin-bottom: clamp(20px, 3vw, 34px);
}

.page-faq .faq-hero__title {
  margin: 12px 0 0;
  font-family: var(--font-head);
  font-size: clamp(34px, 8vw, 66px);
  line-height: 1.06;
  letter-spacing: -0.03em;
  color: var(--paper);
}

.page-faq .faq-hero__title::after {
  content: "";
  display: block;
  width: clamp(96px, 22vw, 220px);
  height: 6px;
  margin-top: clamp(16px, 2.4vw, 26px);
  border-radius: 999px;
  background: linear-gradient(90deg, var(--orange), var(--cyan));
}

.page-faq .faq-hero__lead {
  max-width: 60ch;
  margin: clamp(18px, 2.6vw, 28px) 0 0;
  font-size: clamp(15px, 1.2vw, 17px);
  line-height: 1.85;
  color: rgba(244, 237, 226, 0.82);
}

.page-faq .faq-hero__stats {
  display: flex;
  flex-wrap: wrap;
  gap: 10px 14px;
  margin: clamp(24px, 3.4vw, 38px) 0 0;
  padding: 0;
  list-style: none;
}

.page-faq .faq-hero__stats li {
  display: flex;
  align-items: baseline;
  gap: 8px;
  padding: 9px 18px;
  border: 1px solid var(--line);
  border-radius: var(--r-pill);
  background: rgba(22, 35, 58, 0.66);
}

.page-faq .faq-hero__stats .data-num {
  font-size: 22px;
  font-weight: 700;
  color: var(--cyan);
}

.page-faq .faq-hero__stats em {
  font-style: normal;
  font-size: 13px;
  color: var(--mute);
}

/* ---------- 主体布局 ---------- */
.page-faq .faq-layout {
  display: grid;
  grid-template-columns: 1fr;
  gap: var(--faq-gap);
  padding-bottom: clamp(48px, 7vw, 96px);
}

/* 分类索引 */
.page-faq .faq-index {
  min-width: 0;
}

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

.page-faq .faq-index__list {
  display: flex;
  gap: 10px;
  margin: 0;
  padding: 2px 2px 10px;
  list-style: none;
  overflow-x: auto;
  scrollbar-width: thin;
}

.page-faq .faq-index__list li {
  flex: 0 0 auto;
}

.page-faq .faq-tab {
  display: inline-flex;
  align-items: center;
  gap: 9px;
  padding: 10px 18px;
  border: 1px solid var(--line);
  border-radius: var(--r-pill);
  background: rgba(22, 35, 58, 0.6);
  color: var(--paper);
  font-size: 14px;
  font-weight: 600;
  text-decoration: none;
  white-space: nowrap;
  transition: background 0.25s var(--ease), border-color 0.25s var(--ease), color 0.25s var(--ease);
}

.page-faq .faq-tab__no {
  font-size: 11px;
  color: var(--mute);
}

.page-faq .faq-tab:hover,
.page-faq .faq-tab:focus-visible {
  border-color: var(--cyan);
  background: rgba(43, 232, 208, 0.12);
  color: var(--cyan);
}

.page-faq .faq-tab:hover .faq-tab__no,
.page-faq .faq-tab:focus-visible .faq-tab__no {
  color: var(--orange);
}

/* ---------- 问答组 ---------- */
.page-faq .faq-panels {
  display: flex;
  flex-direction: column;
  gap: clamp(30px, 4.4vw, 52px);
  min-width: 0;
}

.page-faq .faq-group {
  scroll-margin-top: 96px;
}

.page-faq .faq-group__head {
  display: grid;
  grid-template-columns: auto 1fr;
  column-gap: 14px;
  align-items: baseline;
  margin-bottom: 16px;
  padding-bottom: 14px;
  border-bottom: 1px solid var(--line);
}

.page-faq .faq-group__no {
  font-size: 13px;
  color: var(--gold);
  letter-spacing: 0.1em;
}

.page-faq .faq-group__title {
  margin: 0;
  font-family: var(--font-head);
  font-size: clamp(22px, 3.4vw, 30px);
  letter-spacing: -0.01em;
  color: var(--paper);
}

.page-faq .faq-group__lead {
  grid-column: 1 / -1;
  margin: 10px 0 0;
  font-size: 14px;
  line-height: 1.75;
  color: var(--mute);
}

.page-faq .faq-group__panel {
  padding: clamp(6px, 1.4vw, 14px) clamp(16px, 2.6vw, 30px);
  border-radius: var(--faq-radius);
  background: var(--faq-panel);
  color: var(--text-ink);
  box-shadow: 0 24px 60px rgba(3, 8, 18, 0.5);
}

.page-faq .faq-group__panel--dark {
  background: linear-gradient(140deg, #16233A 0%, #0E1728 100%);
  color: var(--paper);
  box-shadow: none;
}

/* 单条问答 */
.page-faq .qa {
  border-bottom: 1px solid var(--line-paper);
}

.page-faq .qa:last-child {
  border-bottom: 0;
}

.page-faq .qa__q {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 16px;
  padding: 17px 0;
  cursor: pointer;
  list-style: none;
  font-size: clamp(15px, 1.15vw, 16px);
  font-weight: 600;
  line-height: 1.6;
  color: #10161F;
  transition: color 0.22s var(--ease);
}

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

.page-faq .qa__q:hover,
.page-faq .qa__q:focus-visible {
  color: #0E5C57;
}

.page-faq .qa__q:focus-visible {
  outline: 2px solid var(--cyan);
  outline-offset: 3px;
  border-radius: 6px;
}

.page-faq .qa__mark {
  position: relative;
  flex: 0 0 auto;
  width: 24px;
  height: 24px;
  border-radius: 999px;
  background: rgba(16, 22, 31, 0.08);
}

.page-faq .qa__mark::before,
.page-faq .qa__mark::after {
  content: "";
  position: absolute;
  top: 50%;
  left: 50%;
  width: 11px;
  height: 2px;
  border-radius: 2px;
  background: var(--teal);
  transform: translate(-50%, -50%);
  transition: transform 0.25s var(--ease), opacity 0.2s var(--ease);
}

.page-faq .qa__mark::after {
  transform: translate(-50%, -50%) rotate(90deg);
}

.page-faq .qa[open] .qa__mark {
  background: var(--orange);
}

.page-faq .qa[open] .qa__mark::before,
.page-faq .qa[open] .qa__mark::after {
  background: #FFFFFF;
}

.page-faq .qa[open] .qa__mark::after {
  opacity: 0;
  transform: translate(-50%, -50%) rotate(90deg) scaleX(0.2);
}

.page-faq .qa__a {
  padding: 0 0 18px;
  max-width: 68ch;
  border-top: 1px dashed rgba(16, 22, 31, 0.18);
  margin-top: -1px;
}

.page-faq .qa__a p {
  margin: 14px 0 0;
  font-size: 15px;
  line-height: 1.85;
  color: rgba(16, 22, 31, 0.82);
}

.page-faq .qa__a a {
  color: #0E5C57;
  font-weight: 600;
  text-decoration: underline;
  text-underline-offset: 3px;
}

.page-faq .qa__a a:hover {
  color: var(--orange);
}

.page-faq .qa__a .data-num {
  color: #10161F;
  font-weight: 700;
}

/* 过渡横幅 */
.page-faq .faq-banner {
  position: relative;
  margin: 0;
  border-radius: var(--faq-radius);
  overflow: hidden;
  border: 1px solid var(--line);
}

.page-faq .faq-banner img {
  display: block;
  width: 100%;
  height: auto;
  aspect-ratio: 3 / 2;
  object-fit: cover;
}

.page-faq .faq-banner figcaption {
  position: absolute;
  left: 0;
  right: 0;
  bottom: 0;
  padding: 26px clamp(16px, 3vw, 30px) clamp(14px, 2vw, 20px);
  font-size: 13px;
  line-height: 1.6;
  color: rgba(244, 237, 226, 0.9);
  background: linear-gradient(to top, rgba(11, 18, 32, 0.92), transparent);
}

/* 联络区 */
.page-faq .faq-help-grid {
  display: grid;
  grid-template-columns: 1fr;
  gap: 14px;
  padding: clamp(14px, 2.4vw, 22px) 0;
}

.page-faq .faq-help-card {
  padding: 16px 18px;
  border-radius: var(--r-md);
  border: 1px solid var(--line);
  background: rgba(11, 18, 32, 0.55);
}

.page-faq .faq-help-card__k {
  margin: 0 0 8px;
  font-size: 12px;
  letter-spacing: 0.2em;
  color: var(--cyan);
}

.page-faq .faq-help-card__v {
  margin: 0;
  font-size: 14px;
  line-height: 1.8;
  color: rgba(244, 237, 226, 0.82);
}

.page-faq .faq-help-card__v a {
  color: var(--gold);
  text-decoration: underline;
  text-underline-offset: 3px;
  word-break: break-all;
}

.page-faq .faq-help-card__v a:hover {
  color: var(--orange);
}

.page-faq .faq-help-card__v .data-num {
  color: var(--gold);
  font-weight: 700;
}

/* ---------- 桌面端 ---------- */
@media (min-width: 900px) {
  .page-faq .faq-layout {
    grid-template-columns: 232px minmax(0, 1fr);
    gap: clamp(34px, 4vw, 56px);
    align-items: start;
  }

  .page-faq .faq-index__inner {
    position: sticky;
    top: 104px;
  }

  .page-faq .faq-index__title {
    margin-bottom: 16px;
  }

  .page-faq .faq-index__list {
    flex-direction: column;
    gap: 8px;
    padding: 0 0 0 2px;
    overflow: visible;
  }

  .page-faq .faq-index__list li {
    flex: 1 1 auto;
  }

  .page-faq .faq-tab {
    justify-content: flex-start;
    width: 100%;
    padding: 11px 16px;
    border-radius: var(--r-md);
    font-size: 14px;
  }

  .page-faq .faq-panels {
    gap: clamp(44px, 5vw, 72px);
  }

  .page-faq .faq-help-grid {
    grid-template-columns: repeat(2, minmax(0, 1fr));
    gap: 16px;
  }

  .page-faq .faq-banner img {
    aspect-ratio: 21 / 9;
  }
}

@media (min-width: 1180px) {
  .page-faq .faq-layout {
    grid-template-columns: 260px minmax(0, 1fr);
  }
}

@media (prefers-reduced-motion: reduce) {
  .page-faq .faq-tab,
  .page-faq .qa__q,
  .page-faq .qa__mark::before,
  .page-faq .qa__mark::after {
    transition: none;
  }
}
<<<END>>>