.page-faq {
  --faq-panel: rgba(11, 33, 56, .72);
  --faq-panel-deep: rgba(6, 20, 38, .82);
  --faq-gap: clamp(20px, 3vw, 34px);
  --faq-pad: clamp(18px, 2.6vw, 30px);
  position: relative;
  padding-bottom: clamp(56px, 7vw, 110px);
  color: var(--bl-mist-100);
  background:
    radial-gradient(900px 520px at 88% -6%, rgba(47, 227, 208, .10), transparent 62%),
    radial-gradient(760px 500px at 4% 46%, rgba(107, 79, 224, .10), transparent 66%),
    var(--bl-navy-900);
}

.page-faq::before {
  content: "";
  position: absolute;
  inset: 0;
  background-image:
    linear-gradient(to right, var(--bl-line-soft) 1px, transparent 1px),
    linear-gradient(to bottom, var(--bl-line-soft) 1px, transparent 1px);
  background-size: 88px 88px;
  opacity: .55;
  pointer-events: none;
  -webkit-mask-image: linear-gradient(to bottom, rgba(0, 0, 0, .95), rgba(0, 0, 0, .95) 42%, transparent 88%);
  mask-image: linear-gradient(to bottom, rgba(0, 0, 0, .95), rgba(0, 0, 0, .95) 42%, transparent 88%);
}

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

/* ---------- 面包屑 ---------- */
.page-faq .faq-crumb {
  padding-top: clamp(20px, 3vw, 34px);
}

.page-faq .faq-crumb ol {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  gap: 8px;
  margin: 0;
  padding: 0;
  list-style: none;
  font-family: var(--bl-font-mono);
  font-size: 12px;
  letter-spacing: .12em;
  color: var(--bl-slate-400);
}

.page-faq .faq-crumb li + li::before {
  content: "/";
  margin-right: 8px;
  color: var(--bl-cyan-600);
}

.page-faq .faq-crumb a {
  color: var(--bl-cyan-400);
  text-decoration: none;
  border-bottom: 1px solid transparent;
  transition: border-color .24s var(--bl-ease), color .24s var(--bl-ease);
}

.page-faq .faq-crumb a:hover,
.page-faq .faq-crumb a:focus-visible {
  color: var(--bl-orange-500);
  border-bottom-color: var(--bl-orange-500);
  outline: none;
}

/* ---------- 首屏 ---------- */
.page-faq .faq-hero {
  padding-top: clamp(30px, 4.5vw, 58px);
}

.page-faq .faq-hero-grid {
  display: grid;
  grid-template-columns: minmax(0, 1fr);
  gap: clamp(30px, 5vw, 62px);
  align-items: center;
}

.page-faq .faq-hero-copy h1 {
  margin: .28em 0 .5em;
  font-family: var(--bl-font-display);
  font-weight: 200;
  font-size: clamp(34px, 5.2vw, 62px);
  line-height: 1.1;
  letter-spacing: .07em;
  color: var(--bl-mist-100);
}

.page-faq .faq-hero-copy .bl-lede {
  max-width: 56ch;
  margin: 0 0 clamp(26px, 3.4vw, 42px);
  font-size: clamp(16px, 1.5vw, 18px);
  line-height: 1.85;
  color: var(--bl-slate-400);
}

.page-faq .faq-hero-stats {
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: 12px;
  margin: 0;
  padding: 0;
  list-style: none;
}

.page-faq .faq-hero-stats li {
  display: flex;
  flex-direction: column;
  gap: 6px;
  min-width: 0;
  padding: 14px 16px;
  border-left: 2px solid var(--bl-cyan-600);
  border-radius: 0 var(--bl-radius) var(--bl-radius) 0;
  background: linear-gradient(180deg, rgba(18, 49, 84, .62), rgba(18, 49, 84, .04));
}

.page-faq .faq-stat-num {
  font-family: var(--bl-font-mono);
  font-size: clamp(19px, 2.3vw, 25px);
  letter-spacing: .04em;
  color: var(--bl-cyan-400);
}

.page-faq .faq-stat-label {
  font-size: 12px;
  letter-spacing: .1em;
  line-height: 1.5;
  color: var(--bl-slate-400);
}

.page-faq .faq-hero-figure {
  margin: 0;
}

.page-faq .faq-hero-figure img {
  display: block;
  width: 100%;
  max-width: 100%;
  height: auto;
  border-radius: var(--bl-radius);
  object-fit: cover;
  box-shadow: 16px 16px 0 -1px rgba(47, 227, 208, .14);
}

.page-faq .faq-hero-figure figcaption {
  margin-top: 14px;
  font-family: var(--bl-font-mono);
  font-size: 12px;
  letter-spacing: .08em;
  color: var(--bl-slate-400);
}

/* ---------- 定位面板 ---------- */
.page-faq .faq-finder {
  padding-top: clamp(40px, 5vw, 72px);
}

.page-faq .faq-finder-title,
.page-faq .faq-topics-title,
.page-faq .faq-archive-title,
.page-faq .faq-help-title {
  margin: 0 0 clamp(18px, 2.4vw, 28px);
  font-family: var(--bl-font-display);
  font-weight: 300;
  font-size: clamp(24px, 3.2vw, 38px);
  line-height: 1.25;
  letter-spacing: .07em;
  color: var(--bl-mist-100);
}

.page-faq .faq-finder-panel {
  display: grid;
  gap: clamp(20px, 2.6vw, 30px);
  padding: clamp(20px, 3vw, 34px);
  border: 1px solid var(--bl-line);
  border-radius: var(--bl-radius);
  background: linear-gradient(155deg, rgba(11, 33, 56, .92), rgba(6, 20, 38, .72));
  box-shadow: inset 0 1px 0 rgba(47, 227, 208, .1);
}

.page-faq .faq-search-field {
  display: grid;
  gap: 10px;
}

.page-faq .faq-search-label {
  font-size: 13px;
  line-height: 1.6;
  letter-spacing: .04em;
  color: var(--bl-slate-400);
}

.page-faq .faq-search-input {
  width: 100%;
  box-sizing: border-box;
  padding: 14px 18px;
  font-family: var(--bl-font-body);
  font-size: 16px;
  line-height: 1.5;
  color: var(--bl-mist-100);
  background: var(--faq-panel-deep);
  border: 1px solid var(--bl-line);
  border-radius: 10px;
  transition: border-color .24s var(--bl-ease), box-shadow .24s var(--bl-ease);
  -webkit-appearance: none;
  appearance: none;
}

.page-faq .faq-search-input::placeholder {
  color: rgba(169, 191, 211, .7);
}

.page-faq .faq-search-input:focus {
  outline: none;
  border-color: var(--bl-cyan-400);
  box-shadow: 0 0 0 2px rgba(47, 227, 208, .26);
}

.page-faq .faq-search-count {
  min-height: 1em;
  margin: 0;
  font-family: var(--bl-font-mono);
  font-size: 12px;
  letter-spacing: .08em;
  color: var(--bl-cyan-400);
}

.page-faq .faq-empty {
  margin: 0;
  padding: 12px 14px;
  font-size: 14px;
  line-height: 1.7;
  color: var(--bl-gold-300);
  border: 1px dashed var(--bl-line);
  border-radius: 10px;
  background: rgba(6, 20, 38, .6);
}

.page-faq .faq-filter-row {
  display: grid;
  gap: 10px;
}

.page-faq .faq-filter-label {
  font-family: var(--bl-font-mono);
  font-size: 12px;
  letter-spacing: .16em;
  color: var(--bl-cyan-600);
}

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

.page-faq .faq-chip {
  display: inline-flex;
  align-items: center;
  padding: 8px 14px;
  font-size: 13px;
  line-height: 1.4;
  color: var(--bl-slate-400);
  text-decoration: none;
  background: rgba(6, 20, 38, .55);
  border: 1px solid var(--bl-line);
  border-radius: 999px;
  transition: color .24s var(--bl-ease), border-color .24s var(--bl-ease),
    background-color .24s var(--bl-ease), transform .24s var(--bl-ease);
}

.page-faq .faq-chip--mono {
  font-family: var(--bl-font-mono);
  letter-spacing: .06em;
}

.page-faq .faq-chip:hover,
.page-faq .faq-chip:focus-visible {
  color: var(--bl-navy-900);
  background: var(--bl-orange-500);
  border-color: var(--bl-orange-500);
  transform: translateX(4px);
  outline: none;
}

.page-faq .faq-chip:focus-visible {
  box-shadow: 0 0 0 2px rgba(47, 227, 208, .6);
}

/* ---------- 主题问答组 ---------- */
.page-faq .faq-topics {
  padding-top: clamp(44px, 5.5vw, 80px);
}

.page-faq .faq-topics-list {
  display: grid;
  gap: clamp(14px, 1.8vw, 22px);
}

.page-faq .faq-topic {
  border: 1px solid var(--bl-line);
  border-radius: var(--bl-radius);
  background: linear-gradient(150deg, rgba(11, 33, 56, .88), rgba(6, 20, 38, .6));
  overflow: hidden;
  transition: border-color .3s var(--bl-ease), box-shadow .3s var(--bl-ease);
}

.page-faq .faq-topic[open] {
  border-color: var(--bl-line-strong);
  box-shadow: 0 0 0 1px rgba(47, 227, 208, .12), 0 24px 48px -32px rgba(47, 227, 208, .45);
}

.page-faq .faq-topic-summary {
  display: grid;
  grid-template-columns: auto minmax(0, 1fr) auto auto;
  gap: 12px 16px;
  align-items: center;
  padding: clamp(16px, 2.2vw, 24px) var(--faq-pad);
  cursor: pointer;
  list-style: none;
  transition: background-color .24s var(--bl-ease);
}

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

.page-faq .faq-topic-summary:hover,
.page-faq .faq-topic-summary:focus-visible {
  background: rgba(47, 227, 208, .05);
  outline: none;
}

.page-faq .faq-topic-summary:focus-visible {
  box-shadow: inset 0 0 0 2px rgba(47, 227, 208, .5);
}

.page-faq .faq-topic-index {
  font-family: var(--bl-font-mono);
  font-size: 13px;
  letter-spacing: .1em;
  color: var(--bl-cyan-600);
}

.page-faq .faq-topic[open] .faq-topic-index {
  color: var(--bl-orange-500);
}

.page-faq .faq-topic-title {
  margin: 0;
  font-family: var(--bl-font-display);
  font-weight: 300;
  font-size: clamp(18px, 2.1vw, 24px);
  line-height: 1.35;
  letter-spacing: .06em;
  color: var(--bl-mist-100);
}

.page-faq .faq-topic-count {
  font-family: var(--bl-font-mono);
  font-size: 12px;
  letter-spacing: .08em;
  color: var(--bl-slate-400);
  white-space: nowrap;
}

.page-faq .faq-topic-toggle {
  position: relative;
  width: 18px;
  height: 18px;
  flex: none;
}

.page-faq .faq-topic-toggle::before,
.page-faq .faq-topic-toggle::after {
  content: "";
  position: absolute;
  left: 50%;
  top: 50%;
  background: var(--bl-cyan-400);
  transition: transform .3s var(--bl-ease), background-color .3s var(--bl-ease);
}

.page-faq .faq-topic-toggle::before {
  width: 14px;
  height: 2px;
  transform: translate(-50%, -50%);
}

.page-faq .faq-topic-toggle::after {
  width: 2px;
  height: 14px;
  transform: translate(-50%, -50%);
}

.page-faq .faq-topic[open] .faq-topic-toggle::after {
  transform: translate(-50%, -50%) scaleY(0);
}

.page-faq .faq-topic[open] .faq-topic-toggle::before {
  background: var(--bl-orange-500);
}

.page-faq .faq-topic-body {
  display: grid;
  gap: 0;
  padding: 0 var(--faq-pad) clamp(16px, 2.2vw, 26px);
  border-top: 1px solid var(--bl-line-soft);
  padding-top: clamp(14px, 1.8vw, 22px);
}

.page-faq .faq-item + .faq-item {
  margin-top: clamp(16px, 2vw, 24px);
  padding-top: clamp(16px, 2vw, 24px);
  border-top: 1px solid var(--bl-line-soft);
}

.page-faq .faq-q {
  margin: 0 0 12px;
  font-family: var(--bl-font-body);
  font-weight: 600;
  font-size: clamp(15px, 1.6vw, 17px);
  line-height: 1.65;
  letter-spacing: .01em;
  color: var(--bl-mist-100);
}

.page-faq .faq-q::before {
  content: "Q";
  margin-right: 10px;
  font-family: var(--bl-font-mono);
  font-size: 12px;
  letter-spacing: .1em;
  color: var(--bl-orange-500);
  vertical-align: 2px;
}

.page-faq .faq-a {
  display: grid;
  gap: 10px;
  padding-left: clamp(0px, 1.6vw, 24px);
  border-left: 1px solid var(--bl-line-soft);
}

.page-faq .faq-a p {
  margin: 0;
  font-size: 15px;
  line-height: 1.8;
  color: var(--bl-slate-400);
}

.page-faq .faq-steps {
  counter-reset: faq-step;
  display: grid;
  gap: 8px;
  margin: 4px 0;
  padding: 0;
  list-style: none;
}

.page-faq .faq-steps li {
  counter-increment: faq-step;
  display: grid;
  grid-template-columns: 26px minmax(0, 1fr);
  gap: 8px;
  font-size: 15px;
  line-height: 1.8;
  color: var(--bl-slate-400);
}

.page-faq .faq-steps li::before {
  content: counter(faq-step, decimal-leading-zero);
  padding-top: 3px;
  font-family: var(--bl-font-mono);
  font-size: 12px;
  letter-spacing: .06em;
  color: var(--bl-cyan-400);
}

/* ---------- 月度归档 ---------- */
.page-faq .faq-archive {
  padding-top: clamp(48px, 6vw, 88px);
}

.page-faq .faq-archive-lede {
  max-width: 58ch;
  margin: 0 0 clamp(22px, 3vw, 34px);
  font-size: 16px;
  line-height: 1.8;
  color: var(--bl-slate-400);
}

.page-faq .faq-archive-grid {
  display: grid;
  grid-template-columns: minmax(0, 1fr);
  gap: clamp(24px, 3.4vw, 44px);
  align-items: start;
}

.page-faq .faq-archive-figure {
  margin: 0;
}

.page-faq .faq-archive-figure img {
  display: block;
  width: 100%;
  max-width: 100%;
  height: auto;
  border-radius: var(--bl-radius);
  object-fit: cover;
}

.page-faq .faq-archive-figure figcaption {
  margin-top: 12px;
  font-family: var(--bl-font-mono);
  font-size: 12px;
  line-height: 1.7;
  letter-spacing: .06em;
  color: var(--bl-slate-400);
}

.page-faq .faq-archive-list {
  display: grid;
  gap: 10px;
  min-width: 0;
}

.page-faq .faq-arc {
  border: 1px solid rgba(107, 79, 224, .4);
  border-radius: var(--bl-radius);
  background: linear-gradient(140deg, rgba(107, 79, 224, .16), rgba(6, 20, 38, .68));
  overflow: hidden;
  transition: border-color .3s var(--bl-ease);
}

.page-faq .faq-arc[open] {
  border-color: rgba(107, 79, 224, .85);
}

.page-faq .faq-arc-summary {
  display: grid;
  grid-template-columns: auto minmax(0, 1fr) auto;
  gap: 12px;
  align-items: center;
  padding: 14px clamp(14px, 2vw, 22px);
  cursor: pointer;
  list-style: none;
  transition: background-color .24s var(--bl-ease);
}

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

.page-faq .faq-arc-summary:hover,
.page-faq .faq-arc-summary:focus-visible {
  background: rgba(107, 79, 224, .14);
  outline: none;
}

.page-faq .faq-arc-summary:focus-visible {
  box-shadow: inset 0 0 0 2px rgba(47, 227, 208, .5);
}

.page-faq .faq-arc-index {
  font-family: var(--bl-font-mono);
  font-size: 14px;
  letter-spacing: .08em;
  color: var(--bl-mist-100);
}

.page-faq .faq-arc-meta {
  font-size: 13px;
  line-height: 1.6;
  color: var(--bl-slate-400);
}

.page-faq .faq-arc-toggle {
  position: relative;
  width: 14px;
  height: 14px;
  flex: none;
}

.page-faq .faq-arc-toggle::before,
.page-faq .faq-arc-toggle::after {
  content: "";
  position: absolute;
  left: 50%;
  top: 50%;
  background: var(--bl-cyan-400);
  transition: transform .3s var(--bl-ease);
}

.page-faq .faq-arc-toggle::before {
  width: 12px;
  height: 2px;
  transform: translate(-50%, -50%);
}

.page-faq .faq-arc-toggle::after {
  width: 2px;
  height: 12px;
  transform: translate(-50%, -50%);
}

.page-faq .faq-arc[open] .faq-arc-toggle::after {
  transform: translate(-50%, -50%) scaleY(0);
}

.page-faq .faq-arc-body {
  padding: 0 clamp(14px, 2vw, 22px) clamp(14px, 2vw, 20px);
  border-top: 1px solid rgba(107, 79, 224, .3);
  padding-top: 12px;
}

.page-faq .faq-arc-body p {
  margin: 0 0 10px;
  font-size: 14px;
  line-height: 1.8;
  color: var(--bl-slate-400);
}

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

.page-faq .faq-arc-terms li {
  padding: 4px 10px;
  font-family: var(--bl-font-mono);
  font-size: 12px;
  letter-spacing: .06em;
  color: var(--bl-cyan-400);
  border: 1px solid var(--bl-line);
  border-radius: 999px;
}

/* ---------- 咨询入口 ---------- */
.page-faq .faq-help {
  padding-top: clamp(48px, 6vw, 88px);
}

.page-faq .faq-help-grid {
  display: grid;
  grid-template-columns: minmax(0, 1fr);
  gap: clamp(16px, 2vw, 24px);
}

.page-faq .faq-help-card {
  display: grid;
  gap: 12px;
  align-content: start;
  padding: clamp(22px, 3vw, 34px);
  border: 1px solid var(--bl-line);
  border-radius: var(--bl-radius);
  background: linear-gradient(160deg, rgba(11, 33, 56, .9), rgba(6, 20, 38, .66));
}

.page-faq .faq-help-card--violet {
  border-color: rgba(107, 79, 224, .45);
  background: linear-gradient(160deg, rgba(107, 79, 224, .2), rgba(6, 20, 38, .7));
}

.page-faq .faq-help-index {
  font-family: var(--bl-font-mono);
  font-size: 12px;
  letter-spacing: .16em;
  color: var(--bl-cyan-400);
}

.page-faq .faq-help-card h3 {
  margin: 0;
  font-family: var(--bl-font-display);
  font-weight: 300;
  font-size: clamp(19px, 2.1vw, 24px);
  line-height: 1.35;
  letter-spacing: .06em;
  color: var(--bl-mist-100);
}

.page-faq .faq-help-card p {
  margin: 0;
  font-size: 15px;
  line-height: 1.8;
  color: var(--bl-slate-400);
}

.page-faq .faq-help-note {
  font-family: var(--bl-font-mono);
  font-size: 12px !important;
  letter-spacing: .06em;
  color: var(--bl-gold-300) !important;
}

.page-faq .faq-help-btn {
  justify-self: start;
  margin-top: 4px;
  text-decoration: none;
}

/* ---------- 响应式 ---------- */
@media (min-width: 640px) {
  .page-faq .faq-hero-stats {
    grid-template-columns: repeat(4, minmax(0, 1fr));
  }
}

@media (min-width: 900px) {
  .page-faq .faq-hero-grid {
    grid-template-columns: minmax(0, 1.12fr) minmax(0, .88fr);
  }

  .page-faq .faq-archive-grid {
    grid-template-columns: minmax(0, .78fr) minmax(0, 1.22fr);
  }

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

@media (min-width: 1100px) {
  .page-faq .faq-finder-panel {
    grid-template-columns: minmax(0, 1fr);
  }

  .page-faq .faq-topic-body {
    padding-left: calc(var(--faq-pad) + 22px);
  }
}

@media (max-width: 560px) {
  .page-faq .faq-topic-summary {
    grid-template-columns: auto minmax(0, 1fr) auto;
    gap: 10px 12px;
  }

  .page-faq .faq-topic-count {
    grid-column: 2 / 3;
    grid-row: 2 / 3;
    justify-self: start;
  }

  .page-faq .faq-topic-toggle {
    grid-column: 3 / 4;
    grid-row: 1 / 3;
  }

  .page-faq .faq-arc-summary {
    grid-template-columns: auto minmax(0, 1fr);
  }

  .page-faq .faq-arc-meta {
    grid-column: 1 / -1;
  }

  .page-faq .faq-arc-toggle {
    grid-column: 2 / 3;
    grid-row: 1 / 2;
    justify-self: end;
  }

  .page-faq .faq-hero-figure img {
    box-shadow: 10px 10px 0 -1px rgba(47, 227, 208, .14);
  }
}

@media (prefers-reduced-motion: reduce) {
  .page-faq .faq-chip,
  .page-faq .faq-search-input,
  .page-faq .faq-topic,
  .page-faq .faq-topic-toggle::before,
  .page-faq .faq-topic-toggle::after,
  .page-faq .faq-arc-toggle::before,
  .page-faq .faq-arc-toggle::after {
    transition: none;
  }

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