.page-faq {
  --faq-body: rgba(242, 247, 250, 0.78);
  --faq-dim: rgba(242, 247, 250, 0.56);
  --faq-cyan-soft: rgba(43, 224, 208, 0.08);
  --faq-gold-soft: rgba(232, 180, 90, 0.1);
  background: var(--ink-900);
  color: var(--paper);
  font-family: var(--font-body);
  font-size: var(--fs-16);
  line-height: 1.85;
  overflow-x: hidden;
}

.page-faq h1,
.page-faq h2 {
  font-family: var(--font-display);
  margin: 0;
}

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

/* ---------- 首屏 ---------- */
.page-faq .faq-hero {
  position: relative;
  padding: 112px 0 56px;
  border-bottom: 1px solid var(--line);
  background:
    radial-gradient(120% 90% at 12% 0%, rgba(43, 224, 208, 0.12), transparent 62%),
    radial-gradient(90% 80% at 96% 8%, rgba(232, 180, 90, 0.08), transparent 58%),
    linear-gradient(180deg, #04121f 0%, var(--ink-900) 72%);
  overflow: hidden;
}

.page-faq .faq-hero::before {
  content: "";
  position: absolute;
  inset: 0;
  background-image:
    linear-gradient(to right, rgba(242, 247, 250, 0.05) 1px, transparent 1px),
    linear-gradient(to bottom, rgba(242, 247, 250, 0.05) 1px, transparent 1px);
  background-size: 72px 72px;
  -webkit-mask-image: linear-gradient(180deg, rgba(0, 0, 0, 0.9), transparent 88%);
  mask-image: linear-gradient(180deg, rgba(0, 0, 0, 0.9), transparent 88%);
  pointer-events: none;
}

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

.page-faq .faq-hero .breadcrumb {
  margin-bottom: 26px;
  font-size: var(--fs-12);
  letter-spacing: 0.1em;
  color: var(--mist);
}

.page-faq .faq-hero__lead .label {
  color: var(--cyan);
}

.page-faq .faq-hero h1 {
  margin: 14px 0 0;
  font-size: clamp(30px, 5.2vw, 52px);
  font-weight: 800;
  line-height: 1.14;
  letter-spacing: -0.01em;
  max-width: 16em;
}

.page-faq .faq-hero__intro {
  margin: 20px 0 0;
  max-width: 38em;
  font-size: var(--fs-16);
  line-height: 1.9;
  color: var(--faq-body);
}

.page-faq .faq-hero__stats {
  display: flex;
  flex-wrap: wrap;
  gap: 8px 26px;
  margin: 30px 0 0;
  padding: 14px 0;
  border-top: 1px solid var(--line);
  border-bottom: 1px solid var(--line);
}

.page-faq .faq-stat {
  font-size: var(--fs-12);
  letter-spacing: 0.14em;
  color: var(--mist);
  white-space: nowrap;
}

.page-faq .faq-stat b {
  font-family: var(--font-mono);
  font-size: var(--fs-16);
  font-weight: 600;
  letter-spacing: 0;
  color: var(--gold);
  margin-right: 6px;
}

.page-faq .faq-hero__columns {
  display: grid;
  grid-template-columns: 1fr;
  gap: 38px;
  margin-top: 40px;
}

/* 分类索引 */
.page-faq .faq-index__title,
.page-faq .faq-hot__title {
  color: var(--mist);
}

.page-faq .faq-index__list {
  list-style: none;
  margin: 12px 0 0;
  padding: 0;
  border-top: 1px solid var(--line);
}

.page-faq .faq-index__item {
  display: flex;
  align-items: baseline;
  gap: 10px;
  padding: 13px 10px 13px 14px;
  border-bottom: 1px solid var(--line);
  border-left: 2px solid transparent;
  color: var(--paper);
  text-decoration: none;
  transition: border-color var(--t-fast), background-color var(--t-fast);
}

.page-faq .faq-index__item:hover {
  border-left-color: var(--cyan);
  background: var(--faq-cyan-soft);
}

.page-faq .faq-index__name {
  flex: 1 1 auto;
  font-size: var(--fs-16);
  font-weight: 600;
}

.page-faq .faq-index__count {
  font-family: var(--font-mono);
  font-size: var(--fs-12);
  color: var(--mist);
  vertical-align: super;
  line-height: 1;
}

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

.page-faq .faq-index__foot {
  margin: 14px 0 0;
  font-size: var(--fs-14);
  color: var(--faq-dim);
}

.page-faq .faq-index__foot a {
  color: var(--cyan);
  text-decoration: none;
  border-bottom: 1px solid rgba(43, 224, 208, 0.35);
}

/* 热门问题 */
.page-faq .faq-hot__list {
  list-style: none;
  margin: 12px 0 0;
  padding: 0;
  display: grid;
  grid-template-columns: 1fr;
}

.page-faq .faq-hot__item {
  display: grid;
  grid-template-columns: auto 1fr;
  gap: 2px 14px;
  padding: 14px 0;
  border-top: 1px solid var(--line);
  text-decoration: none;
  color: var(--paper);
  transition: border-color var(--t-fast);
}

.page-faq .faq-hot__item:hover {
  border-top-color: var(--line-strong);
}

.page-faq .faq-hot__num {
  grid-row: span 2;
  padding-top: 2px;
  font-family: var(--font-mono);
  font-size: var(--fs-14);
  letter-spacing: 0.06em;
  color: var(--mist);
  transition: color var(--t-fast);
}

.page-faq .faq-hot__item:hover .faq-hot__num {
  color: var(--gold);
}

.page-faq .faq-hot__q {
  font-size: var(--fs-16);
  font-weight: 600;
  line-height: 1.55;
}

.page-faq .faq-hot__hint {
  font-size: var(--fs-14);
  line-height: 1.65;
  color: var(--faq-dim);
}

/* ---------- 类别示意 ---------- */
.page-faq .faq-map {
  padding: 48px 0 4px;
}

.page-faq .faq-map__figure {
  margin: 0;
  border: 1px solid var(--line);
  border-radius: var(--radius);
  background: var(--ink-800);
  box-shadow: var(--shadow-1);
  overflow: hidden;
}

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

.page-faq .faq-map__figure figcaption {
  padding: 12px 16px;
  border-top: 1px solid var(--line);
  font-size: var(--fs-12);
  letter-spacing: 0.06em;
  line-height: 1.7;
  color: var(--mist);
}

/* ---------- 问答分组 ---------- */
.page-faq .faq-group {
  padding: 56px 0 0;
}

.page-faq .chapter__head {
  display: flex;
  flex-wrap: wrap;
  align-items: baseline;
  gap: 6px 16px;
  padding-bottom: 14px;
  border-bottom: 1px solid var(--line-strong);
}

.page-faq .chapter__index {
  font-family: var(--font-mono);
  font-size: var(--fs-24);
  line-height: 1;
  letter-spacing: 0.04em;
  color: var(--gold);
}

.page-faq .chapter__title {
  font-size: var(--fs-24);
  font-weight: 700;
  line-height: 1.25;
  letter-spacing: -0.01em;
}

.page-faq .chapter__meta {
  margin-left: auto;
  font-family: var(--font-mono);
  font-size: var(--fs-12);
  letter-spacing: 0.08em;
  color: var(--mist);
}

.page-faq .faq-group__scope {
  margin: 16px 0 6px;
  max-width: 34em;
  font-size: var(--fs-14);
  line-height: 1.8;
  color: var(--faq-dim);
}

.page-faq .faq-list {
  margin-top: 10px;
  border-top: 1px solid var(--line);
}

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

.page-faq .faq-item__summary {
  display: flex;
  align-items: flex-start;
  gap: 12px;
  padding: 17px 4px 17px 0;
  cursor: pointer;
  list-style: none;
  font-size: var(--fs-16);
  font-weight: 600;
  line-height: 1.6;
  color: var(--paper);
  transition: color var(--t-fast);
}

.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: none;
  width: 8px;
  height: 8px;
  margin-left: auto;
  margin-top: 9px;
  border-right: 1.5px solid var(--cyan);
  border-bottom: 1.5px solid var(--cyan);
  transform: rotate(45deg);
  transition: transform var(--t-fast), border-color var(--t-fast);
}

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

.page-faq .faq-item[open] > .faq-item__summary::after {
  transform: rotate(225deg);
}

.page-faq .faq-item[open] > .faq-item__summary {
  color: var(--cyan);
}

.page-faq .faq-item__body {
  padding: 2px 0 20px;
  font-size: var(--fs-16);
  line-height: 1.9;
  color: var(--faq-body);
  max-width: 40em;
}

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

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

.page-faq .faq-item__body strong {
  color: var(--paper);
  font-weight: 600;
}

.page-faq .faq-steps {
  margin: 4px 0 12px;
  padding-left: 20px;
}

.page-faq .faq-steps li {
  margin-bottom: 6px;
  padding-left: 2px;
}

.page-faq .faq-steps li::marker {
  color: var(--gold);
  font-family: var(--font-mono);
}

/* ---------- 人工支持 ---------- */
.page-faq .faq-contact {
  margin-top: 64px;
  padding: 56px 0 68px;
  border-top: 1px solid var(--line-strong);
  background:
    radial-gradient(90% 70% at 85% 0%, rgba(43, 224, 208, 0.09), transparent 60%),
    linear-gradient(180deg, var(--ink-800) 0%, var(--ink-750) 100%);
}

.page-faq .faq-contact__panel {
  display: grid;
  grid-template-columns: 1fr;
  margin-top: 24px;
  border: 1px solid var(--line);
  border-radius: var(--radius);
  background: rgba(7, 26, 43, 0.62);
  box-shadow: var(--shadow-1);
  transition: border-color var(--t-fast), transform var(--t-fast);
}

.page-faq .faq-contact__col {
  padding: 22px 20px;
}

.page-faq .faq-contact__col + .faq-contact__col {
  border-top: 1px solid var(--line);
}

.page-faq .faq-contact__col .label {
  color: var(--mist);
}

.page-faq .faq-contact__value {
  margin: 10px 0 14px;
  font-family: var(--font-mono);
  font-size: var(--fs-18);
  line-height: 1.5;
  color: var(--paper);
  word-break: break-all;
}

.page-faq .faq-contact__tips {
  margin-top: 26px;
  padding-left: 16px;
  border-left: 2px solid var(--cyan);
  font-size: var(--fs-14);
  line-height: 1.85;
  color: var(--faq-body);
}

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

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

.page-faq .faq-contact__tips strong {
  color: var(--gold);
  font-weight: 600;
}

.page-faq .faq-contact__figure {
  margin: 34px 0 0;
  border: 1px solid var(--line);
  border-radius: var(--radius);
  overflow: hidden;
  background: var(--ink-900);
  box-shadow: var(--shadow-1);
}

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

.page-faq .faq-contact__more {
  margin: 28px 0 0;
  font-size: var(--fs-14);
  line-height: 1.9;
  color: var(--faq-dim);
}

.page-faq .faq-contact__more a {
  color: var(--cyan);
  text-decoration: none;
  border-bottom: 1px solid rgba(43, 224, 208, 0.35);
}

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

/* ---------- 响应式 ---------- */
@media (min-width: 640px) {
  .page-faq .faq-hot__list {
    grid-template-columns: 1fr 1fr;
    column-gap: 28px;
  }

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

@media (min-width: 900px) {
  .page-faq .faq-hero {
    padding: 140px 0 64px;
  }

  .page-faq .faq-hero__columns {
    grid-template-columns: minmax(0, 4fr) minmax(0, 7fr);
    gap: 56px;
    margin-top: 48px;
    align-items: start;
  }

  .page-faq .faq-group {
    padding-top: 68px;
  }

  .page-faq .faq-map {
    padding-top: 56px;
  }
}

@media (min-width: 860px) {
  .page-faq .faq-contact__panel {
    grid-template-columns: 1fr 1fr;
  }

  .page-faq .faq-contact__col + .faq-contact__col {
    border-top: 0;
    border-left: 1px solid var(--line);
  }

  .page-faq .faq-contact__col {
    padding: 26px 28px;
  }
}

@media (max-width: 480px) {
  .page-faq .chapter__meta {
    margin-left: 0;
    width: 100%;
  }

  .page-faq .faq-index__item {
    padding: 12px 6px 12px 12px;
  }

  .page-faq .faq-contact__tips {
    padding-left: 12px;
  }
}

@media (prefers-reduced-motion: reduce) {
  .page-faq .faq-index__item,
  .page-faq .faq-hot__item,
  .page-faq .faq-hot__num,
  .page-faq .faq-item__summary,
  .page-faq .faq-item__summary::after,
  .page-faq .faq-contact__panel {
    transition: none;
  }
}
<<<END>>>