.page-faq {
  --faq-card: #0D2137;
  --faq-edge: #22364c;
  --faq-sticky-top: 88px;
  padding: clamp(24px, 4vw, 56px) 0 clamp(64px, 8vw, 120px);
}

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

/* 首屏 */
.page-faq .faq-hero {
  display: grid;
  grid-template-columns: 1fr;
  gap: clamp(22px, 3vw, 36px);
  padding-bottom: clamp(26px, 3.6vw, 48px);
  border-bottom: 1px solid var(--steel);
}

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

.page-faq .faq-hero .eyebrow {
  font-family: var(--font-data);
  font-size: 12px;
  letter-spacing: 0.16em;
  color: var(--sand);
  text-transform: uppercase;
  margin: 0 0 14px;
}

.page-faq .faq-hero h1 {
  margin: 0 0 18px;
  font-size: clamp(2.1rem, 5.6vw, 3.9rem);
  line-height: 1.08;
  letter-spacing: 0.04em;
  color: var(--paper);
}

.page-faq .faq-hero__lede {
  margin: 0;
  font-size: clamp(15px, 1.4vw, 17px);
  line-height: 1.78;
  color: var(--mist);
  max-width: 60ch;
}

.page-faq .faq-hero__side {
  display: grid;
  gap: 10px;
  align-content: start;
}

.page-faq .faq-jump {
  display: grid;
  grid-template-columns: auto 1fr;
  grid-template-areas:
    "num label"
    "num hint";
  gap: 4px 14px;
  padding: 14px 18px;
  text-decoration: none;
  background: var(--ink2);
  border: 1px solid var(--steel);
  border-left: 3px solid var(--sand);
  border-radius: 4px 14px 14px 4px;
  transition: background 0.25s ease, border-color 0.25s ease, transform 0.25s ease;
}

.page-faq .faq-jump:hover,
.page-faq .faq-jump:focus-visible {
  background: var(--tactic);
  border-color: var(--sand);
  transform: translateX(4px);
}

.page-faq .faq-jump--coral {
  border-left-color: var(--coral);
}

.page-faq .faq-jump__num {
  grid-area: num;
  font-family: var(--font-data);
  font-size: 20px;
  font-weight: 700;
  color: var(--sand);
  line-height: 1.1;
}

.page-faq .faq-jump--coral .faq-jump__num {
  color: var(--coral);
}

.page-faq .faq-jump__label {
  grid-area: label;
  font-family: var(--font-head);
  font-weight: 700;
  font-size: 15px;
  letter-spacing: 0.03em;
  color: var(--paper);
}

.page-faq .faq-jump__hint {
  grid-area: hint;
  font-size: 12px;
  color: var(--mist);
  letter-spacing: 0.04em;
}

/* 筛选条 */
.page-faq .faq-toolbar {
  position: sticky;
  top: var(--topbar);
  z-index: 8;
  padding: 12px 0;
  margin-bottom: clamp(20px, 3vw, 32px);
  background: rgba(7, 21, 35, 0.94);
  border-bottom: 1px solid var(--steel);
}

.page-faq .faq-toolbar__label {
  margin: 0 0 8px;
  font-family: var(--font-data);
  font-size: 11px;
  letter-spacing: 0.18em;
  color: var(--mist);
}

.page-faq .filter-bar {
  display: flex;
  gap: 8px;
  overflow-x: auto;
  padding-bottom: 4px;
  scrollbar-width: none;
}

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

.page-faq .filter-btn {
  flex: 0 0 auto;
  display: inline-flex;
  align-items: center;
  gap: 7px;
  padding: 8px 15px;
  border-radius: 999px;
  border: 1px solid var(--steel);
  background: transparent;
  color: var(--mist);
  font-family: var(--font-body);
  font-size: 13px;
  font-weight: 600;
  letter-spacing: 0.02em;
  cursor: pointer;
  transition: color 0.2s ease, background 0.2s ease, border-color 0.2s ease;
}

.page-faq .filter-btn:hover {
  color: var(--paper);
  border-color: var(--sand);
}

.page-faq .filter-btn[aria-pressed="true"],
.page-faq .filter-btn.is-active {
  background: var(--sand);
  border-color: var(--sand);
  color: var(--deep);
}

.page-faq .faq-filter__count {
  font-family: var(--font-data);
  font-size: 11px;
  opacity: 0.72;
}

/* 主体两栏 */
.page-faq .faq-shell {
  display: grid;
  grid-template-columns: 1fr;
  gap: clamp(22px, 3vw, 42px);
}

.page-faq .faq-index {
  display: none;
}

.page-faq .faq-index__title {
  margin: 0 0 12px;
  font-family: var(--font-data);
  font-size: 11px;
  letter-spacing: 0.18em;
  color: var(--sand);
}

.page-faq .faq-index a {
  display: flex;
  gap: 10px;
  align-items: baseline;
  padding: 9px 0 9px 12px;
  border-left: 2px solid var(--steel);
  color: var(--mist);
  text-decoration: none;
  font-size: 14px;
  line-height: 1.4;
  transition: color 0.2s ease, border-color 0.2s ease;
}

.page-faq .faq-index a:hover {
  color: var(--paper);
}

.page-faq .faq-index a.is-active,
.page-faq .faq-index a[aria-current="true"] {
  color: var(--paper);
  border-left-color: var(--sand);
}

.page-faq .faq-index__num {
  font-family: var(--font-data);
  font-size: 11px;
  color: var(--sand);
}

.page-faq .faq-index__note {
  margin: 20px 0 0;
  padding-top: 14px;
  border-top: 1px solid var(--steel);
  font-size: 13px;
  line-height: 1.7;
  color: var(--mist);
}

/* 速查块 */
.page-faq .faq-quick {
  background: var(--sandpale);
  color: var(--deep);
  border-radius: 18px 4px 18px 4px;
  padding: clamp(18px, 2.6vw, 26px);
  margin-bottom: clamp(28px, 4vw, 48px);
}

.page-faq .faq-quick__title {
  margin: 0 0 14px;
  font-family: var(--font-head);
  font-weight: 800;
  font-size: 14px;
  letter-spacing: 0.14em;
}

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

.page-faq .faq-quick__list li {
  display: grid;
  grid-template-columns: auto 1fr;
  gap: 12px;
  align-items: baseline;
  font-size: 14px;
  line-height: 1.65;
}

.page-faq .faq-quick__step {
  font-family: var(--font-data);
  font-size: 12px;
  font-weight: 700;
  padding: 3px 9px;
  border-radius: 999px;
  background: var(--deep);
  color: var(--sandpale);
  white-space: nowrap;
}

/* 章节 */
.page-faq .faq-section {
  padding-bottom: clamp(28px, 4vw, 46px);
  margin-bottom: clamp(28px, 4vw, 46px);
  border-bottom: 1px solid var(--steel);
}

.page-faq .faq-section:last-of-type {
  border-bottom: 0;
}

.page-faq .faq-section__head {
  display: flex;
  flex-wrap: wrap;
  align-items: baseline;
  gap: 10px 14px;
  margin-bottom: 10px;
}

.page-faq .faq-section__num {
  font-family: var(--font-data);
  font-size: clamp(22px, 3vw, 30px);
  font-weight: 700;
  color: var(--sand);
  line-height: 1;
}

.page-faq .faq-section__head h2 {
  margin: 0;
  flex: 1 1 auto;
  font-size: clamp(1.25rem, 2.6vw, 1.7rem);
  letter-spacing: 0.04em;
  color: var(--paper);
}

.page-faq .faq-section__count {
  font-family: var(--font-data);
  font-size: 11px;
  letter-spacing: 0.08em;
  color: var(--mist);
  border: 1px solid var(--steel);
  border-radius: 999px;
  padding: 3px 10px;
}

.page-faq .faq-section__lede {
  margin: 0 0 18px;
  font-size: 14px;
  line-height: 1.7;
  color: var(--mist);
}

/* 问答 */
.page-faq .faq-list {
  display: grid;
  gap: 10px;
  align-items: start;
}

.page-faq .faq-item {
  background: var(--faq-card);
  border: 1px solid var(--faq-edge);
  border-left: 3px solid transparent;
  border-radius: 10px;
  transition: border-color 0.22s ease, background 0.22s ease;
}

.page-faq .faq-item:hover {
  border-left-color: var(--sand);
}

.page-faq .faq-item[open] {
  background: var(--tactic);
  border-left-color: var(--mint);
}

.page-faq .faq-item__q {
  display: flex;
  align-items: flex-start;
  justify-content: space-between;
  gap: 14px;
  padding: 15px 16px;
  cursor: pointer;
  list-style: none;
  font-family: var(--font-head);
  font-weight: 700;
  font-size: 15px;
  line-height: 1.55;
  letter-spacing: 0.02em;
  color: var(--paper);
}

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

.page-faq .faq-item__q:hover {
  color: var(--sandpale);
}

.page-faq .faq-item__icon {
  flex: 0 0 auto;
  position: relative;
  width: 16px;
  height: 16px;
  margin-top: 5px;
}

.page-faq .faq-item__icon::before,
.page-faq .faq-item__icon::after {
  content: "";
  position: absolute;
  background: var(--sand);
  border-radius: 2px;
  transition: transform 0.22s ease, background 0.22s ease;
}

.page-faq .faq-item__icon::before {
  top: 7px;
  left: 0;
  width: 16px;
  height: 2px;
}

.page-faq .faq-item__icon::after {
  top: 0;
  left: 7px;
  width: 2px;
  height: 16px;
}

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

.page-faq .faq-item[open] .faq-item__icon::before {
  background: var(--mint);
}

.page-faq .faq-item__a {
  padding: 0 16px 17px;
}

.page-faq .faq-item__a p {
  margin: 0;
  font-size: 14.5px;
  line-height: 1.78;
  color: var(--mist);
}

/* 图 */
.page-faq .faq-figure {
  margin: clamp(20px, 3vw, 30px) 0 0;
}

.page-faq .media {
  border: 1px solid var(--steel);
  background: var(--ink2);
  overflow: hidden;
}

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

.page-faq .media__caption {
  display: block;
  margin-top: 10px;
  font-size: 12.5px;
  line-height: 1.6;
  color: var(--mist);
  letter-spacing: 0.02em;
}

.page-faq .faq-mobile-wrap {
  display: grid;
  grid-template-columns: 1fr;
  gap: clamp(20px, 3vw, 30px);
}

.page-faq .faq-figure--phone {
  margin: 0;
  max-width: 320px;
}

/* 联系卡 */
.page-faq .faq-contact-card {
  margin-top: clamp(22px, 3vw, 32px);
  padding: clamp(20px, 2.8vw, 28px);
  background: var(--ink2);
  border: 1px solid var(--steel);
  border-top: 3px solid var(--coral);
  border-radius: 4px 4px 16px 16px;
}

.page-faq .faq-contact-card__title {
  margin: 0 0 8px;
  font-family: var(--font-data);
  font-size: 11px;
  letter-spacing: 0.18em;
  color: var(--mist);
}

.page-faq .faq-contact-card__mail {
  margin: 0 0 14px;
  font-family: var(--font-data);
  font-size: clamp(14px, 2.2vw, 19px);
  font-weight: 700;
  letter-spacing: 0.02em;
  color: var(--mint);
  word-break: break-all;
}

.page-faq .faq-contact-card__actions {
  display: flex;
  flex-wrap: wrap;
  gap: 10px;
  align-items: center;
  margin-bottom: 14px;
}

.page-faq .faq-contact-card__meta {
  margin: 0 0 6px;
  font-size: 13px;
  color: var(--paper);
  letter-spacing: 0.02em;
}

.page-faq .faq-contact-card__note {
  margin: 0;
  font-size: 13px;
  line-height: 1.7;
  color: var(--mist);
}

.page-faq .faq-tail {
  margin: clamp(24px, 3vw, 36px) 0 0;
  font-size: 13.5px;
  line-height: 1.75;
  color: var(--mist);
}

.page-faq .faq-tail a {
  color: var(--mint);
  text-decoration: none;
  border-bottom: 1px solid rgba(58, 242, 196, 0.4);
}

.page-faq .faq-tail a:hover {
  border-bottom-color: var(--mint);
}

/* 表格断点 */
@media (min-width: 720px) {
  .page-faq .faq-hero {
    grid-template-columns: minmax(0, 1.15fr) minmax(240px, 0.85fr);
    align-items: start;
  }

  .page-faq .faq-quick__list {
    grid-template-columns: repeat(3, minmax(0, 1fr));
    gap: 16px;
  }

  .page-faq .faq-quick__list li {
    grid-template-columns: 1fr;
    gap: 8px;
    align-items: start;
  }

  .page-faq .faq-quick__step {
    justify-self: start;
  }

  .page-faq .faq-figure--phone {
    max-width: 100%;
  }
}

@media (min-width: 900px) {
  .page-faq .faq-shell {
    grid-template-columns: 212px minmax(0, 1fr);
    align-items: start;
  }

  .page-faq .faq-index {
    display: block;
    position: sticky;
    top: var(--faq-sticky-top);
  }

  .page-faq .faq-toolbar {
    top: 0;
  }

  .page-faq .faq-mobile-wrap {
    grid-template-columns: minmax(0, 1fr) 260px;
    align-items: start;
  }

  .page-faq .faq-figure--phone {
    margin-top: 0;
  }
}

@media (min-width: 1180px) {
  .page-faq .faq-list {
    grid-template-columns: repeat(2, minmax(0, 1fr));
    gap: 12px;
  }

  .page-faq .faq-mobile-wrap .faq-list {
    grid-template-columns: 1fr;
  }
}

@media (prefers-reduced-motion: reduce) {
  .page-faq .faq-jump,
  .page-faq .filter-btn,
  .page-faq .faq-item,
  .page-faq .faq-item__icon::before,
  .page-faq .faq-item__icon::after {
    transition: none;
  }

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