.page-faq .faq-hero-inner {
  padding-top: clamp(24px, 4vw, 52px);
  padding-bottom: clamp(24px, 3.5vw, 44px);
}

.page-faq .breadcrumb {
  display: flex;
  align-items: center;
  gap: 8px;
  margin: 0 0 24px;
  font-family: var(--mono);
  font-size: 12px;
  letter-spacing: 0.04em;
  color: var(--mute);
}

.page-faq .breadcrumb a {
  color: var(--mute);
  text-decoration: none;
  transition: color var(--step);
}

.page-faq .breadcrumb a:hover {
  color: var(--cyan);
}

.page-faq .eyebrow {
  margin: 0 0 14px;
  font-family: var(--mono);
  font-size: 12px;
  letter-spacing: 0.16em;
  color: var(--cyan);
}

.page-faq h1 {
  margin: 0 0 18px;
  max-width: 22ch;
  font-size: clamp(27px, 4.4vw, 52px);
  font-weight: 900;
  line-height: 1.14;
  letter-spacing: -0.02em;
  color: var(--paper);
}

.page-faq .lede {
  margin: 0 0 28px;
  max-width: 62ch;
  font-size: clamp(15px, 1.15vw, 17px);
  line-height: 1.85;
  color: rgba(244, 247, 255, 0.78);
}

/* 顶部快捷提示条 */
.page-faq .faq-strip {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  gap: 12px 18px;
  padding: 14px 18px;
  border: 1px solid var(--grid);
  border-left: 2px solid var(--cyan);
  background: linear-gradient(90deg, rgba(36, 240, 200, 0.08), rgba(11, 18, 48, 0) 62%);
}

.page-faq .faq-strip-label {
  margin: 0;
  font-family: var(--mono);
  font-size: 12px;
  letter-spacing: 0.1em;
  color: var(--amber);
  white-space: nowrap;
}

.page-faq .faq-strip-list {
  display: flex;
  flex-wrap: wrap;
  gap: 8px 10px;
  margin: 0;
  padding: 0;
  list-style: none;
}

.page-faq .faq-strip-list a {
  display: inline-block;
  padding: 5px 11px;
  border: 1px solid var(--grid);
  font-size: 13px;
  color: rgba(244, 247, 255, 0.82);
  text-decoration: none;
  transition: border-color var(--step), color var(--step), background var(--step);
}

.page-faq .faq-strip-list a:hover {
  border-color: var(--cyan);
  color: var(--cyan);
  background: rgba(36, 240, 200, 0.07);
}

/* 主体两栏 */
.page-faq .faq-body-inner {
  display: grid;
  grid-template-columns: minmax(0, 1fr);
  gap: 28px;
  padding-top: clamp(28px, 4vw, 52px);
  padding-bottom: clamp(48px, 7vw, 96px);
}

/* 左侧分类索引 */
.page-faq .faq-index {
  border-top: 1px solid var(--grid);
  padding-top: 16px;
}

.page-faq .faq-index-title {
  margin: 0 0 12px;
  font-family: var(--mono);
  font-size: 11px;
  letter-spacing: 0.18em;
  color: var(--mute);
}

.page-faq .faq-index-nav {
  display: flex;
  gap: 6px;
  overflow-x: auto;
  padding-bottom: 4px;
  scrollbar-width: none;
}

.page-faq .faq-index-nav::-webkit-scrollbar {
  display: none;
}

.page-faq .faq-index-link {
  display: flex;
  flex: 0 0 auto;
  align-items: baseline;
  gap: 9px;
  padding: 8px 12px 8px 10px;
  border-left: 2px solid var(--grid);
  font-size: 14px;
  color: rgba(244, 247, 255, 0.7);
  text-decoration: none;
  white-space: nowrap;
  transition: color var(--step), border-color var(--step), background var(--step);
}

.page-faq .faq-index-link:hover {
  color: var(--paper);
  border-left-color: var(--orange);
}

.page-faq .faq-index-link.is-active {
  color: var(--cyan);
  border-left-color: var(--cyan);
  background: rgba(36, 240, 200, 0.07);
}

.page-faq .faq-index-idx {
  font-family: var(--mono);
  font-size: 11px;
  color: var(--mute);
  transition: color var(--step);
}

.page-faq .faq-index-link.is-active .faq-index-idx {
  color: var(--orange);
}

/* 问答区 */
.page-faq .faq-flow {
  min-width: 0;
}

.page-faq .faq-group {
  padding-top: 38px;
}

.page-faq .faq-group:first-child {
  padding-top: 0;
}

.page-faq .faq-group + .faq-group {
  margin-top: 14px;
  border-top: 1px solid var(--grid);
}

.page-faq .faq-group-head {
  display: flex;
  flex-wrap: wrap;
  align-items: baseline;
  gap: 12px 14px;
  margin-bottom: 20px;
}

.page-faq .faq-group-num {
  padding: 3px 8px;
  background: var(--cyan);
  color: var(--ink);
  font-family: var(--mono);
  font-size: 13px;
  font-weight: 700;
  line-height: 1.2;
}

.page-faq .faq-group-head h2 {
  margin: 0;
  font-size: clamp(20px, 2.3vw, 29px);
  font-weight: 800;
  letter-spacing: -0.01em;
  color: var(--paper);
}

.page-faq .faq-group-note {
  flex: 1 1 100%;
  margin: 0;
  font-size: 14px;
  line-height: 1.7;
  color: var(--mute);
}

/* 配图 */
.page-faq .faq-figure {
  margin: 0 0 22px;
  border: 1px solid var(--grid);
  background: linear-gradient(160deg, var(--panel-a), var(--ink));
}

.page-faq .faq-figure img {
  display: block;
  width: 100%;
  max-width: 100%;
  height: auto;
  aspect-ratio: 3 / 2;
  object-fit: cover;
  filter: saturate(0.94) contrast(1.05);
}

.page-faq .faq-figure figcaption {
  padding: 10px 14px;
  border-top: 1px solid var(--grid);
  font-size: 12.5px;
  line-height: 1.7;
  color: var(--mute);
}

/* 折叠问答 */
.page-faq .faq-list {
  display: grid;
  gap: 10px;
}

.page-faq .faq-list--gap {
  margin-top: 22px;
}

.page-faq .faq-item {
  border: 1px solid var(--grid);
  background: linear-gradient(180deg, rgba(20, 28, 70, 0.55), rgba(11, 18, 48, 0.35));
  transition: border-color var(--step);
}

.page-faq .faq-item:hover {
  border-color: rgba(36, 240, 200, 0.42);
}

.page-faq .faq-item[open] {
  border-color: rgba(36, 240, 200, 0.6);
}

.page-faq .faq-q {
  position: relative;
  padding: 15px 52px 15px 16px;
  font-size: clamp(15px, 1.15vw, 16.5px);
  font-weight: 700;
  line-height: 1.55;
  color: var(--paper);
  cursor: pointer;
  list-style: none;
  transition: color var(--step);
}

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

.page-faq .faq-q:hover {
  color: var(--cyan);
}

.page-faq .faq-q::before,
.page-faq .faq-q::after {
  content: "";
  position: absolute;
  top: 50%;
  background: var(--cyan);
  transition: transform 0.2s ease, opacity 0.2s ease;
}

.page-faq .faq-q::before {
  right: 24px;
  width: 2px;
  height: 14px;
  transform: translateY(-50%);
}

.page-faq .faq-q::after {
  right: 18px;
  width: 14px;
  height: 2px;
  transform: translateY(-50%);
}

.page-faq .faq-item[open] .faq-q::before {
  opacity: 0;
  transform: translateY(-50%) scaleY(0);
}

.page-faq .faq-a {
  padding: 14px 52px 18px 16px;
  border-top: 1px solid var(--grid);
}

.page-faq .faq-a p {
  margin: 0 0 10px;
  max-width: 66ch;
  font-size: 15px;
  line-height: 1.95;
  color: rgba(244, 247, 255, 0.8);
}

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

.page-faq .faq-a a {
  color: var(--cyan);
  text-decoration: none;
  border-bottom: 1px solid rgba(36, 240, 200, 0.5);
}

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

/* 屏幕宽度对照表 */
.page-faq .faq-table-wrap {
  margin-top: 12px;
  border: 1px solid var(--grid);
  overflow-x: auto;
}

.page-faq .faq-table {
  width: 100%;
  min-width: 460px;
  border-collapse: collapse;
  font-size: 13.5px;
}

.page-faq .faq-table thead th {
  padding: 11px 14px;
  background: rgba(36, 240, 200, 0.06);
  font-family: var(--mono);
  font-size: 11.5px;
  font-weight: 600;
  letter-spacing: 0.1em;
  color: var(--cyan);
  text-align: left;
  white-space: nowrap;
}

.page-faq .faq-table td {
  padding: 11px 14px;
  border-top: 1px solid var(--grid);
  vertical-align: top;
  line-height: 1.7;
}

.page-faq .faq-table td:first-child {
  font-family: var(--mono);
  color: var(--amber);
  white-space: nowrap;
}

.page-faq .faq-table td:last-child {
  color: rgba(244, 247, 255, 0.8);
}

.page-faq .faq-table tbody tr {
  transition: background var(--step);
}

.page-faq .faq-table tbody tr:hover {
  background: rgba(42, 52, 102, 0.3);
}

.page-faq .visually-hidden {
  position: absolute;
  width: 1px;
  height: 1px;
  margin: -1px;
  padding: 0;
  overflow: hidden;
  clip: rect(0 0 0 0);
  white-space: nowrap;
  border: 0;
}

/* 联系信息条 */
.page-faq .faq-contact-bar {
  display: grid;
  grid-template-columns: minmax(0, 1fr);
  gap: 1px;
  margin: 0 0 4px;
  border: 1px solid var(--grid);
  background: var(--grid);
}

.page-faq .faq-contact-item {
  padding: 16px 18px;
  background: linear-gradient(180deg, var(--panel-a), var(--ink));
}

.page-faq .faq-contact-label {
  margin: 0 0 7px;
  font-family: var(--mono);
  font-size: 11px;
  letter-spacing: 0.14em;
  color: var(--mute);
}

.page-faq .faq-contact-value {
  margin: 0;
  font-size: 14.5px;
  line-height: 1.6;
  color: var(--paper);
  word-break: break-word;
}

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

/* 平板横屏：左侧索引常驻 */
@media (min-width: 900px) {
  .page-faq .faq-body-inner {
    grid-template-columns: 236px minmax(0, 1fr);
    gap: clamp(32px, 4.5vw, 72px);
    align-items: start;
  }

  .page-faq .faq-index {
    position: sticky;
    top: 96px;
  }

  .page-faq .faq-index-nav {
    flex-direction: column;
    gap: 2px;
    overflow: visible;
  }

  .page-faq .faq-index-link {
    width: 100%;
    white-space: normal;
  }

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

@media (min-width: 1200px) {
  .page-faq .faq-figure {
    margin-bottom: 26px;
  }

  .page-faq .faq-a {
    padding-right: 88px;
  }
}

@media (max-width: 640px) {
  .page-faq .faq-q {
    padding: 14px 46px 14px 14px;
  }

  .page-faq .faq-a {
    padding: 12px 46px 16px 14px;
  }

  .page-faq .faq-strip {
    padding: 12px 14px;
  }

  .page-faq .faq-contact-item {
    padding: 14px 15px;
  }
}

@media (prefers-reduced-motion: reduce) {
  .page-faq .faq-item,
  .page-faq .faq-q,
  .page-faq .faq-q::before,
  .page-faq .faq-q::after,
  .page-faq .faq-index-link,
  .page-faq .faq-strip-list a,
  .page-faq .faq-table tbody tr {
    transition: none;
  }
}
<<<END>>>