.page-faq {
  --faq-side-w: 232px;
  --faq-gap: clamp(20px, 3vw, 44px);
  --faq-text: #C6D6E4;
  background-color: var(--space-blue);
  color: var(--mist);
  font-family: var(--font-body);
  line-height: 1.75;
}

.page-faq .mono {
  font-family: var(--font-mono);
}

/* ---------- 首屏 ---------- */
.page-faq .faq-hero {
  position: relative;
  overflow: hidden;
  padding-block: clamp(28px, 5vw, 58px) clamp(26px, 4vw, 46px);
  border-bottom: 1px solid var(--line);
  background:
    radial-gradient(120% 140% at 88% 0%, rgba(255, 90, 31, 0.16) 0%, rgba(6, 26, 46, 0) 58%),
    linear-gradient(180deg, rgba(11, 46, 82, 0.94) 0%, rgba(6, 26, 46, 0.99) 100%);
}

.page-faq .faq-hero::before {
  content: "";
  position: absolute;
  inset: 0;
  pointer-events: none;
  opacity: 0.5;
  background-image:
    repeating-linear-gradient(90deg, var(--line-soft) 0 1px, transparent 1px 56px),
    repeating-linear-gradient(0deg, var(--line-soft) 0 1px, transparent 1px 56px);
}

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

.page-faq .breadcrumbs {
  margin-bottom: clamp(16px, 3vw, 28px);
}

.page-faq .faq-hero__grid {
  display: grid;
  grid-template-columns: minmax(0, 1fr);
  gap: clamp(20px, 3vw, 36px);
  align-items: end;
}

.page-faq .faq-hero__lead {
  min-width: 0;
}

.page-faq .faq-hero h1 {
  margin: 0 0 16px;
  font-family: var(--font-display);
  font-weight: 800;
  font-size: clamp(40px, 8vw, 72px);
  line-height: 1.02;
  letter-spacing: -0.03em;
  color: var(--mist);
}

.page-faq .faq-hero__desc {
  max-width: 62ch;
  margin: 0 0 clamp(20px, 3vw, 28px);
  font-size: clamp(15px, 1.5vw, 17px);
  line-height: 1.85;
  color: var(--faq-text);
}

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

.page-faq .faq-status {
  min-width: 0;
  padding: 16px 18px 18px;
  border: 1px solid var(--line-strong);
  border-left: 3px solid var(--mint);
  background: rgba(3, 10, 18, 0.5);
}

.page-faq .faq-status__head {
  display: flex;
  align-items: center;
  gap: 9px;
  margin: 0;
  padding-bottom: 12px;
  border-bottom: 1px solid var(--line);
  font-family: var(--font-mono);
  font-size: 12px;
  letter-spacing: 0.1em;
  color: var(--mint);
}

.page-faq .faq-status__dot {
  width: 8px;
  height: 8px;
  border-radius: 50%;
  background: var(--mint);
  box-shadow: 0 0 0 4px rgba(36, 240, 194, 0.16);
}

.page-faq .faq-status__list {
  list-style: none;
  margin: 0;
  padding: 0;
}

.page-faq .faq-status__list li {
  display: flex;
  align-items: baseline;
  justify-content: space-between;
  gap: 12px;
  padding: 10px 0;
  border-bottom: 1px dashed var(--line-soft);
  font-size: 13.5px;
}

.page-faq .faq-status__list li:last-child {
  padding-bottom: 0;
  border-bottom: 0;
}

.page-faq .faq-status__list span {
  flex: 0 0 auto;
  color: var(--steel);
}

.page-faq .faq-status__list strong {
  font-weight: 600;
  text-align: right;
  color: var(--mist);
}

/* ---------- 快速排查 ---------- */
.page-faq .faq-triage {
  padding-block: clamp(34px, 5vw, 62px);
  border-bottom: 1px solid var(--line);
}

.page-faq .faq-triage__title {
  margin: 0 0 10px;
  font-family: var(--font-display);
  font-weight: 800;
  font-size: clamp(24px, 3.6vw, 36px);
  line-height: 1.2;
  letter-spacing: -0.015em;
  color: var(--mist);
}

.page-faq .faq-triage__intro {
  max-width: 64ch;
  margin: 0 0 clamp(20px, 3vw, 30px);
  font-size: 15px;
  color: var(--steel);
}

.page-faq .faq-triage__layout {
  display: grid;
  grid-template-columns: minmax(0, 1fr);
  gap: clamp(18px, 2.5vw, 30px);
  align-items: start;
}

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

.page-faq .triage-card {
  display: block;
  padding: 18px 18px 20px;
  background: var(--panel-b);
  color: var(--mist);
  text-decoration: none;
  transition: background-color var(--ease), box-shadow var(--ease);
}

.page-faq .triage-card:hover,
.page-faq .triage-card:focus-visible {
  background: var(--midnight);
  box-shadow: inset 3px 0 0 var(--orange);
}

.page-faq .triage-card:focus-visible {
  outline: 2px solid var(--mint);
  outline-offset: -2px;
}

.page-faq .triage-card__num {
  display: block;
  font-family: var(--font-mono);
  font-size: 12px;
  letter-spacing: 0.16em;
  color: var(--orange);
}

.page-faq .triage-card__title {
  display: block;
  margin: 8px 0 6px;
  font-size: 17px;
  font-weight: 700;
  line-height: 1.4;
  color: var(--mist);
}

.page-faq .triage-card__desc {
  display: block;
  font-size: 13.5px;
  line-height: 1.65;
  color: var(--steel);
}

.page-faq .faq-triage__figure {
  margin: 0;
  border: 1px solid var(--line);
  background: var(--panel-b);
}

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

.page-faq .faq-triage__figure .figure__caption {
  padding: 10px 14px;
  border-top: 1px solid var(--line);
  font-size: 12.5px;
  line-height: 1.6;
  color: var(--steel);
}

/* ---------- 问答主体 ---------- */
.page-faq .faq-body {
  padding-block: clamp(34px, 5vw, 62px);
  border-bottom: 1px solid var(--line);
}

.page-faq .faq-body__shell {
  display: grid;
  grid-template-columns: minmax(0, 1fr);
  gap: var(--faq-gap);
  align-items: start;
}

.page-faq .faq-side {
  min-width: 0;
  padding: 16px;
  border: 1px solid var(--line);
  background: var(--panel-b);
}

.page-faq .faq-side__title {
  margin: 0 0 12px;
  font-family: var(--font-mono);
  font-size: 11px;
  letter-spacing: 0.16em;
  color: var(--steel);
}

.page-faq .faq-side__list {
  list-style: none;
  margin: 0 0 14px;
  padding: 0;
  display: grid;
  gap: 2px;
}

.page-faq .faq-side__list li {
  min-width: 0;
}

.page-faq .faq-side__list a {
  display: flex;
  align-items: baseline;
  gap: 10px;
  padding: 9px 10px 9px 12px;
  border-left: 2px solid transparent;
  color: var(--mist);
  text-decoration: none;
  font-size: 14px;
  transition: border-color var(--ease), background-color var(--ease), color var(--ease);
}

.page-faq .faq-side__list a:hover,
.page-faq .faq-side__list a:focus-visible {
  border-left-color: var(--orange);
  background: rgba(255, 90, 31, 0.08);
  color: var(--ember);
}

.page-faq .faq-side__list a:focus-visible {
  outline: 2px solid var(--mint);
  outline-offset: -2px;
}

.page-faq .faq-side__list .mono {
  font-size: 11.5px;
  letter-spacing: 0.1em;
  color: var(--steel);
}

.page-faq .faq-side__note {
  margin: 0;
  padding-top: 12px;
  border-top: 1px dashed var(--line);
  font-size: 12.5px;
  line-height: 1.7;
  color: var(--steel);
}

.page-faq .faq-list {
  min-width: 0;
}

.page-faq .faq-group {
  margin-bottom: clamp(28px, 4vw, 46px);
  scroll-margin-top: calc(var(--header-h) + 20px);
}

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

.page-faq .faq-group__head {
  display: flex;
  align-items: baseline;
  gap: 12px;
  margin-bottom: 16px;
  padding-bottom: 10px;
  border-bottom: 1px solid var(--line-strong);
}

.page-faq .faq-group__num {
  flex: 0 0 auto;
  font-size: 12.5px;
  letter-spacing: 0.14em;
  color: var(--orange);
}

.page-faq .faq-group__head h2 {
  margin: 0;
  font-family: var(--font-display);
  font-weight: 800;
  font-size: clamp(19px, 2.6vw, 27px);
  line-height: 1.3;
  letter-spacing: -0.01em;
  color: var(--mist);
}

.page-faq .faq-item {
  margin-bottom: 8px;
  border: 1px solid var(--line);
  border-left: 2px solid var(--line-strong);
  background: var(--panel-b);
  transition: border-color var(--ease), background-color var(--ease);
}

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

.page-faq .faq-item[open] {
  border-left-color: var(--orange);
  background: var(--panel-a);
}

.page-faq .faq-item summary {
  display: flex;
  align-items: flex-start;
  justify-content: space-between;
  gap: 14px;
  padding: 15px 16px;
  list-style: none;
  cursor: pointer;
  font-size: 15.5px;
  font-weight: 600;
  line-height: 1.55;
  color: var(--mist);
}

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

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

.page-faq .faq-item summary::after {
  content: "+";
  flex: 0 0 auto;
  font-family: var(--font-mono);
  font-size: 20px;
  line-height: 1.1;
  color: var(--orange);
  transition: color var(--ease);
}

.page-faq .faq-item[open] summary::after {
  content: "−";
  color: var(--mint);
}

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

.page-faq .faq-item__body {
  margin: 0 16px 16px;
  padding-top: 12px;
  border-top: 1px dashed var(--line);
  font-size: 14.5px;
  line-height: 1.85;
  color: var(--faq-text);
}

.page-faq .faq-item__body p {
  margin: 0 0 10px;
}

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

/* ---------- 格式表 ---------- */
.page-faq .format-layout {
  display: grid;
  grid-template-columns: minmax(0, 1fr);
  gap: clamp(16px, 2.5vw, 28px);
  align-items: start;
}

.page-faq .format-scroll {
  overflow-x: auto;
  border: 1px solid var(--line);
  background: var(--panel-b);
}

.page-faq .format-table {
  width: 100%;
  min-width: 540px;
  border-collapse: collapse;
  font-size: 14px;
}

.page-faq .format-table caption {
  caption-side: top;
  padding: 12px 14px;
  text-align: left;
  font-size: 12.5px;
  line-height: 1.6;
  color: var(--steel);
  border-bottom: 1px solid var(--line);
}

.page-faq .format-table th,
.page-faq .format-table td {
  padding: 12px 14px;
  text-align: left;
  vertical-align: top;
  border-bottom: 1px solid var(--line);
}

.page-faq .format-table thead th {
  background: var(--midnight);
  font-family: var(--font-mono);
  font-size: 11.5px;
  font-weight: 600;
  letter-spacing: 0.1em;
  color: var(--mint);
  white-space: nowrap;
}

.page-faq .format-table tbody tr:last-child td {
  border-bottom: 0;
}

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

.page-faq .format-table tbody tr:hover {
  background: rgba(45, 125, 255, 0.09);
}

.page-faq .format-table td:first-child {
  font-family: var(--font-mono);
  font-weight: 700;
  color: var(--orange);
  white-space: nowrap;
}

.page-faq .format-table td {
  color: var(--faq-text);
}

.page-faq .faq-format__figure {
  margin: 0;
  border: 1px solid var(--line);
  background: var(--panel-b);
}

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

.page-faq .faq-format__figure .figure__caption {
  padding: 10px 14px;
  border-top: 1px solid var(--line);
  font-size: 12.5px;
  line-height: 1.6;
  color: var(--steel);
}

/* ---------- 客服与延伸入口 ---------- */
.page-faq .faq-contact {
  padding-block: clamp(34px, 5vw, 62px);
  background:
    radial-gradient(100% 120% at 12% 0%, rgba(45, 125, 255, 0.14) 0%, rgba(6, 26, 46, 0) 60%),
    linear-gradient(180deg, rgba(11, 46, 82, 0.55) 0%, rgba(6, 26, 46, 0.95) 100%);
}

.page-faq .faq-contact__grid {
  display: grid;
  grid-template-columns: minmax(0, 1fr);
  gap: clamp(20px, 3vw, 36px);
  align-items: start;
}

.page-faq .faq-contact__main {
  min-width: 0;
}

.page-faq .faq-contact__main h2 {
  margin: 0 0 12px;
  font-family: var(--font-display);
  font-weight: 800;
  font-size: clamp(24px, 3.4vw, 34px);
  line-height: 1.2;
  letter-spacing: -0.015em;
  color: var(--mist);
}

.page-faq .faq-contact__desc {
  max-width: 58ch;
  margin: 0 0 clamp(18px, 2.5vw, 24px);
  font-size: 15px;
  line-height: 1.85;
  color: var(--faq-text);
}

.page-faq .faq-contact__actions {
  display: flex;
  flex-wrap: wrap;
  gap: 12px;
}

.page-faq .faq-contact__info {
  list-style: none;
  margin: 0;
  padding: 16px 18px;
  border: 1px solid var(--line);
  border-top: 2px solid var(--orange);
  background: rgba(3, 10, 18, 0.45);
}

.page-faq .faq-contact__info li {
  display: grid;
  gap: 4px;
  padding: 11px 0;
  border-bottom: 1px dashed var(--line-soft);
}

.page-faq .faq-contact__info li:last-child {
  padding-bottom: 0;
  border-bottom: 0;
}

.page-faq .faq-contact__info span {
  font-family: var(--font-mono);
  font-size: 11.5px;
  letter-spacing: 0.12em;
  color: var(--steel);
}

.page-faq .faq-contact__info a,
.page-faq .faq-contact__info strong {
  font-size: 14.5px;
  font-weight: 600;
  line-height: 1.65;
  color: var(--mist);
  word-break: break-word;
}

.page-faq .faq-contact__info a {
  color: var(--electric);
  text-decoration: none;
  border-bottom: 1px solid transparent;
  transition: border-color var(--ease), color var(--ease);
}

.page-faq .faq-contact__info a:hover,
.page-faq .faq-contact__info a:focus-visible {
  color: var(--mint);
  border-bottom-color: var(--mint);
}

.page-faq .faq-links {
  list-style: none;
  display: grid;
  grid-template-columns: minmax(0, 1fr);
  gap: 1px;
  margin: clamp(24px, 3.5vw, 38px) 0 0;
  padding: 0;
  border: 1px solid var(--line);
  background: var(--line);
}

.page-faq .faq-links a {
  display: grid;
  gap: 3px;
  padding: 15px 16px;
  background: var(--panel-b);
  color: var(--mist);
  text-decoration: none;
  font-size: 15px;
  font-weight: 700;
  transition: background-color var(--ease), color var(--ease);
}

.page-faq .faq-links a span {
  font-size: 12.5px;
  font-weight: 400;
  color: var(--steel);
  transition: color var(--ease);
}

.page-faq .faq-links a:hover,
.page-faq .faq-links a:focus-visible {
  background: var(--midnight);
  color: var(--ember);
}

.page-faq .faq-links a:hover span,
.page-faq .faq-links a:focus-visible span {
  color: var(--faq-text);
}

.page-faq .faq-links a:focus-visible {
  outline: 2px solid var(--mint);
  outline-offset: -2px;
}

/* ---------- 响应式 ---------- */
@media (min-width: 560px) {
  .page-faq .triage-grid {
    grid-template-columns: repeat(2, minmax(0, 1fr));
  }

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

@media (min-width: 900px) {
  .page-faq .faq-hero__grid {
    grid-template-columns: minmax(0, 1.55fr) minmax(0, 1fr);
  }

  .page-faq .faq-triage__layout {
    grid-template-columns: minmax(0, 1.1fr) minmax(0, 0.9fr);
  }

  .page-faq .format-layout {
    grid-template-columns: minmax(0, 1.25fr) minmax(0, 0.75fr);
  }

  .page-faq .faq-contact__grid {
    grid-template-columns: minmax(0, 1.15fr) minmax(0, 0.85fr);
  }

  .page-faq .faq-links {
    grid-template-columns: repeat(4, minmax(0, 1fr));
  }
}

@media (min-width: 1000px) {
  .page-faq .faq-body__shell {
    grid-template-columns: var(--faq-side-w) minmax(0, 1fr);
  }

  .page-faq .faq-side {
    position: sticky;
    top: calc(var(--header-h) + 20px);
  }
}

@media (max-width: 999px) {
  .page-faq .faq-side {
    padding: 14px;
  }

  .page-faq .faq-side__list {
    display: flex;
    gap: 8px;
    margin-bottom: 12px;
    padding-bottom: 4px;
    overflow-x: auto;
    -webkit-overflow-scrolling: touch;
    scrollbar-width: thin;
  }

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

  .page-faq .faq-side__list a {
    padding: 8px 12px;
    border: 1px solid var(--line);
    border-left: 1px solid var(--line);
    white-space: nowrap;
    font-size: 13px;
  }

  .page-faq .faq-side__list a:hover,
  .page-faq .faq-side__list a:focus-visible {
    border-color: var(--orange);
  }
}

@media (max-width: 420px) {
  .page-faq .faq-hero__actions .btn,
  .page-faq .faq-contact__actions .btn {
    flex: 1 1 100%;
    text-align: center;
  }

  .page-faq .faq-item summary {
    font-size: 14.5px;
    padding: 13px 14px;
  }

  .page-faq .faq-item__body {
    margin: 0 14px 14px;
    font-size: 14px;
  }
}

@media (prefers-reduced-motion: reduce) {
  .page-faq .triage-card,
  .page-faq .faq-item,
  .page-faq .faq-item summary::after,
  .page-faq .faq-side__list a,
  .page-faq .faq-contact__info a,
  .page-faq .faq-links a,
  .page-faq .format-table tbody tr {
    transition: none;
  }
}
<<<END>>>