.page-faq {
  --faq-side: 236px;
  background-color: var(--abyss);
  color: var(--cream);
}

/* ---------- 首屏 ---------- */
.page-faq .faq-hero {
  position: relative;
  overflow: hidden;
  padding: clamp(24px, 5vw, 56px) 0 clamp(30px, 5vw, 66px);
  background:
    radial-gradient(120% 90% at 90% 4%, #0d3450 0%, var(--abyss) 62%),
    var(--abyss);
}

.page-faq .faq-hero::before {
  content: "";
  position: absolute;
  top: -14%;
  right: -10%;
  width: min(66vw, 780px);
  height: 132%;
  background: linear-gradient(215deg, rgba(45, 226, 230, 0.17) 0%, rgba(45, 226, 230, 0.04) 44%, transparent 72%);
  clip-path: polygon(34% 0, 100% 0, 100% 100%, 0 100%);
  pointer-events: none;
}

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

.page-faq .breadcrumbs {
  margin-bottom: clamp(18px, 3vw, 34px);
}

.page-faq .faq-hero__grid {
  display: grid;
  gap: clamp(22px, 3.4vw, 34px);
  align-items: end;
}

.page-faq .faq-hero__title {
  margin: 12px 0 0;
  font-size: clamp(36px, 6.2vw, 74px);
  line-height: 0.98;
  max-width: 22ch;
  color: var(--cream);
}

.page-faq .faq-hero__lede {
  margin-top: 16px;
  max-width: 48ch;
  color: var(--ink-70);
}

.page-faq .faq-hero__actions {
  margin-top: clamp(20px, 3vw, 30px);
}

.page-faq .faq-hero__panel {
  position: relative;
  background: rgba(11, 42, 69, 0.76);
  border: 1px solid var(--hair);
  padding: clamp(16px, 2.4vw, 24px);
}

.page-faq .faq-hero__panel::before {
  content: "";
  position: absolute;
  top: -1px;
  left: -1px;
  width: 58px;
  height: 3px;
  background: var(--orange);
}

.page-faq .faq-panel__label {
  margin: 0 0 12px;
  font-size: 12px;
  letter-spacing: 0.16em;
  color: var(--cyan-soft);
}

.page-faq .faq-stats {
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: 1px;
  background: var(--hair);
  border: 1px solid var(--hair);
}

.page-faq .faq-stat {
  display: grid;
  gap: 3px;
  padding: 12px 12px 14px;
  background: var(--panel);
}

.page-faq .faq-stat__num {
  font-family: var(--font-mono);
  font-weight: 600;
  font-size: clamp(20px, 2.8vw, 28px);
  line-height: 1;
  color: var(--cyan);
}

.page-faq .faq-stat__label {
  font-size: 12.5px;
  line-height: 1.45;
  color: var(--ink-55);
}

.page-faq .faq-rounds {
  display: flex;
  flex-wrap: wrap;
  gap: 6px;
  margin-top: 14px;
}

.page-faq .faq-rounds .round-chip {
  border-color: var(--hair-strong);
  color: var(--orange);
  font-size: 11px;
}

/* ---------- 场景跳转带 ---------- */
.page-faq .faq-jumpbar-band {
  background: var(--fold);
  border-top: 1px solid var(--hair);
  border-bottom: 1px solid var(--hair);
  padding: clamp(16px, 2.6vw, 26px) 0 clamp(18px, 2.8vw, 28px);
}

.page-faq .faq-jumpbar__label {
  margin: 0 0 12px;
  font-size: 11.5px;
  letter-spacing: 0.18em;
  color: var(--ink-55);
}

.page-faq .faq-jumpbar {
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: 10px;
}

.page-faq .faq-jump {
  display: grid;
  gap: 5px;
  align-content: start;
  padding: 12px 13px 14px;
  background: var(--panel);
  border: 1px solid var(--hair);
  border-top: 2px solid var(--cyan);
  color: var(--cream);
  text-decoration: none;
  transition: border-color 0.18s ease, background 0.18s ease, transform 0.18s ease;
}

.page-faq .faq-jump:hover {
  border-top-color: var(--orange);
  background: var(--fold);
  transform: translateY(-2px);
}

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

.page-faq .faq-jump__no {
  font-size: 11px;
  letter-spacing: 0.14em;
  color: var(--cyan-soft);
}

.page-faq .faq-jump__text {
  font-size: 14.5px;
  font-weight: 500;
}

/* ---------- 主体布局 ---------- */
.page-faq .faq-body {
  padding-top: clamp(28px, 4vw, 52px);
  padding-bottom: clamp(40px, 6vw, 84px);
}

.page-faq .faq-layout {
  display: grid;
  gap: clamp(22px, 3vw, 40px);
}

.page-faq .faq-side__label {
  margin: 0 0 10px;
  font-family: var(--font-mono);
  font-size: 11.5px;
  letter-spacing: 0.18em;
  color: var(--ink-55);
}

.page-faq .faq-toc {
  display: grid;
  gap: 2px;
  list-style: none;
  margin: 0 0 16px;
  padding: 0;
}

.page-faq .faq-toc__link {
  color: var(--ink-70);
  font-size: 14px;
  text-decoration: none;
}

.page-faq .faq-toc__link:hover {
  color: var(--cream);
  background: rgba(23, 59, 87, 0.7);
}

.page-faq .faq-toc__link[aria-current="true"] {
  color: var(--cream);
  background: rgba(23, 59, 87, 0.85);
}

.page-faq .faq-side__cta {
  margin-top: 4px;
}

/* ---------- 分组 ---------- */
.page-faq .faq-group + .faq-group,
.page-faq .faq-contact {
  margin-top: clamp(34px, 5vw, 62px);
  padding-top: clamp(24px, 4vw, 42px);
  border-top: 1px solid var(--hair);
}

.page-faq .faq-group__band {
  height: 2px;
  margin-bottom: 14px;
  background: linear-gradient(
    90deg,
    var(--orange) 0,
    var(--orange) 44px,
    var(--cyan) 44px,
    var(--cyan) 132px,
    var(--hair) 132px,
    var(--hair) 100%
  );
}

.page-faq .faq-group__head {
  display: grid;
  grid-template-columns: auto minmax(0, 1fr);
  gap: 4px 12px;
  align-items: center;
}

.page-faq .faq-group__no {
  font-size: 12px;
  letter-spacing: 0.12em;
  color: var(--orange);
  padding: 2px 7px;
  border: 1px solid rgba(255, 138, 61, 0.45);
  align-self: center;
}

.page-faq .faq-group__title {
  margin: 0;
  font-size: clamp(22px, 3vw, 34px);
  color: var(--cream);
}

.page-faq .faq-group__note {
  grid-column: 1 / -1;
  margin: 8px 0 0;
  font-size: 14px;
  line-height: 1.7;
  color: var(--ink-55);
  max-width: 62ch;
}

/* ---------- 图片 ---------- */
.page-faq .faq-figure {
  margin: clamp(16px, 2.4vw, 24px) 0 0;
  border: 1px solid var(--hair);
}

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

.page-faq .faq-figure .media-frame__label {
  border-top: 1px solid var(--hair);
  color: var(--ink-55);
}

/* ---------- 折叠问答 ---------- */
.page-faq .faq-list {
  margin-top: clamp(16px, 2.4vw, 22px);
  border-top: 1px solid var(--hair);
}

.page-faq .faq-item {
  border-bottom: 1px solid var(--hair);
}

.page-faq .faq-item > summary {
  display: grid;
  grid-template-columns: 28px minmax(0, 1fr) 18px;
  gap: 10px;
  align-items: start;
  padding: 15px 0;
  cursor: pointer;
  list-style: none;
  font-size: 15.5px;
  line-height: 1.55;
  font-weight: 500;
  color: var(--cream);
  transition: color 0.18s ease;
}

.page-faq .faq-item > summary::-webkit-details-marker {
  display: none;
}

.page-faq .faq-item > summary::marker {
  content: "";
}

.page-faq .faq-item > summary:hover {
  color: var(--cyan-soft);
}

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

.page-faq .faq-item__idx {
  font-size: 12px;
  line-height: 1.6;
  color: var(--cyan-soft);
  opacity: 0.85;
  padding-top: 3px;
}

.page-faq .faq-item__q {
  display: block;
  min-width: 0;
}

.page-faq .faq-item__mark {
  position: relative;
  width: 16px;
  height: 16px;
  margin-top: 4px;
  border: 1px solid var(--hair-strong);
  transition: border-color 0.18s ease, background 0.18s ease;
}

.page-faq .faq-item__mark::before,
.page-faq .faq-item__mark::after {
  content: "";
  position: absolute;
  background: var(--cyan);
  transition: transform 0.18s ease, opacity 0.18s ease, background 0.18s ease;
}

.page-faq .faq-item__mark::before {
  left: 3px;
  right: 3px;
  top: 7px;
  height: 1.5px;
}

.page-faq .faq-item__mark::after {
  top: 3px;
  bottom: 3px;
  left: 7px;
  width: 1.5px;
}

.page-faq .faq-item[open] .faq-item__mark {
  border-color: var(--orange);
  background: rgba(255, 138, 61, 0.12);
}

.page-faq .faq-item[open] .faq-item__mark::before,
.page-faq .faq-item[open] .faq-item__mark::after {
  background: var(--orange);
}

.page-faq .faq-item[open] .faq-item__mark::after {
  transform: scaleY(0);
  opacity: 0;
}

.page-faq .faq-item__body {
  padding: 0 22px 18px 38px;
  font-size: 15px;
  line-height: 1.78;
  color: var(--ink-70);
}

.page-faq .faq-item__body p {
  margin: 0;
}

.page-faq .faq-item__body p + p {
  margin-top: 8px;
}

/* ---------- 联系收尾 ---------- */
.page-faq .faq-contact__panel {
  position: relative;
  display: grid;
  gap: clamp(20px, 3vw, 34px);
  padding: clamp(20px, 3.4vw, 40px);
  background: var(--panel);
  border: 1px solid var(--hair);
}

.page-faq .faq-contact__panel::after {
  content: "";
  position: absolute;
  top: -1px;
  right: -1px;
  width: 72px;
  height: 3px;
  background: var(--cyan);
}

.page-faq .faq-contact__title {
  margin: 0 0 12px;
  font-size: clamp(24px, 3.2vw, 36px);
  color: var(--cream);
}

.page-faq .faq-contact__text {
  margin: 0;
  max-width: 52ch;
  font-size: 15px;
  line-height: 1.8;
  color: var(--ink-70);
}

.page-faq .faq-contact__actions {
  margin-top: clamp(16px, 2.4vw, 24px);
}

.page-faq .faq-contact__list {
  display: grid;
  gap: 12px;
  list-style: none;
  margin: 0;
  padding: 0;
}

.page-faq .faq-contact__item {
  display: grid;
  gap: 3px;
  padding-left: 12px;
  border-left: 1px solid var(--hair-strong);
}

.page-faq .faq-contact__label {
  font-size: 11px;
  letter-spacing: 0.16em;
  color: var(--ink-55);
}

.page-faq .faq-contact__value {
  font-size: 15px;
  line-height: 1.6;
  color: var(--cream);
}

.page-faq .faq-copy-row {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  gap: 8px;
}

.page-faq .faq-mail {
  font-size: 15px;
  color: var(--cyan);
  word-break: break-all;
}

.page-faq .faq-copy-btn {
  padding: 3px 9px;
  border: 1px solid var(--hair-strong);
  background: transparent;
  color: var(--cyan-soft);
  font-family: var(--font-mono);
  font-size: 11.5px;
  letter-spacing: 0.06em;
  cursor: pointer;
  transition: border-color 0.18s ease, color 0.18s ease;
}

.page-faq .faq-copy-btn:hover {
  border-color: var(--orange);
  color: var(--orange);
}

.page-faq .faq-copy-btn.is-copied {
  border-color: var(--orange);
  color: var(--orange);
}

/* ---------- 响应式 ---------- */
@media (min-width: 760px) {
  .page-faq .faq-jumpbar {
    grid-template-columns: repeat(4, minmax(0, 1fr));
  }

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

@media (min-width: 900px) {
  .page-faq .faq-hero__grid {
    grid-template-columns: minmax(0, 1.4fr) minmax(0, 0.85fr);
    gap: clamp(28px, 4vw, 64px);
  }

  .page-faq .faq-contact__panel {
    grid-template-columns: minmax(0, 1.15fr) minmax(0, 0.85fr);
    align-items: start;
  }
}

@media (min-width: 1000px) {
  .page-faq .faq-layout {
    grid-template-columns: var(--faq-side) minmax(0, 1fr);
    gap: clamp(28px, 3.4vw, 46px);
  }

  .page-faq .faq-side {
    position: sticky;
    top: 96px;
    align-self: start;
  }

  .page-faq .faq-main {
    border-left: 1px solid var(--hair);
    padding-left: clamp(24px, 3vw, 44px);
  }
}

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