.page-faq {
  --faq-radius: 22px;
  --faq-gap: clamp(18px, 3vw, 30px);
  display: block;
  padding-bottom: clamp(48px, 8vw, 96px);
}

.page-faq .breadcrumb {
  padding-top: clamp(16px, 3vw, 28px);
}

/* 首屏 */
.page-faq .faq-hero {
  display: grid;
  gap: clamp(24px, 5vw, 44px);
  padding: clamp(22px, 5vw, 52px) 0 clamp(30px, 5vw, 58px);
  border-bottom: 1px solid var(--line);
}

.page-faq .faq-hero__lead h1 {
  margin: 0.6em 0 0.5em;
  font-family: var(--font-display);
  font-size: clamp(32px, 8vw, 60px);
  font-weight: 800;
  line-height: 1.06;
  letter-spacing: -0.005em;
  color: var(--text);
}

.page-faq .faq-hero__lead .lead {
  max-width: 46ch;
  font-size: clamp(16px, 2.1vw, 18px);
  line-height: 1.8;
  color: var(--text);
}

.page-faq .faq-hero__actions {
  display: flex;
  flex-wrap: wrap;
  gap: 12px;
  margin-top: clamp(20px, 3vw, 28px);
}

.page-faq .faq-hero__lead .muted {
  margin-top: 16px;
  max-width: 42ch;
  font-size: 14px;
  line-height: 1.7;
}

.page-faq .faq-hero__stats {
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: 12px;
  align-content: start;
}

.page-faq .faq-stat {
  padding: 18px 16px;
  border: 1px solid var(--line);
  border-radius: var(--faq-radius);
  background: var(--ink-800);
}

.page-faq .faq-stat--neon {
  border-color: var(--line-strong);
  background: linear-gradient(160deg, rgba(53, 240, 200, 0.12), rgba(10, 33, 27, 0.9));
}

.page-faq .faq-stat .stat__value {
  display: block;
  font-family: var(--font-mono);
  font-size: clamp(24px, 5vw, 34px);
  line-height: 1;
  color: var(--orange);
}

.page-faq .faq-stat--neon .stat__value {
  color: var(--neon);
}

.page-faq .faq-stat__unit {
  margin-left: 4px;
  font-size: 0.5em;
  color: var(--muted);
}

.page-faq .faq-stat .stat__label {
  display: block;
  margin-top: 10px;
  font-size: 13px;
  line-height: 1.6;
  color: var(--muted);
}

/* 章节通用 */
.page-faq .faq-section {
  padding-top: clamp(38px, 6vw, 72px);
}

.page-faq .faq-section + .faq-section {
  margin-top: clamp(6px, 1.5vw, 16px);
}

.page-faq .faq-section .section-head {
  margin-bottom: clamp(16px, 2.6vw, 26px);
}

.page-faq .section-head__meta {
  font-family: var(--font-mono);
  font-size: 12px;
  letter-spacing: 0.06em;
  color: var(--muted);
}

/* 分类卡 */
.page-faq .faq-topics {
  display: grid;
  gap: var(--faq-gap);
}

.page-faq .faq-topics__list {
  display: grid;
  gap: 12px;
  margin: 0;
  padding: 0;
  list-style: none;
}

.page-faq .faq-topic {
  border: 1px solid var(--line);
  border-radius: var(--faq-radius);
  background: var(--ink-800);
  transition: border-color var(--dur-base) var(--ease-out),
    transform var(--dur-base) var(--ease-out);
}

.page-faq .faq-topic:hover {
  border-color: var(--line-strong);
  transform: translateX(4px);
}

.page-faq .faq-topic__link {
  display: grid;
  grid-template-columns: auto 1fr;
  gap: 4px 16px;
  padding: 16px 18px;
  color: inherit;
  text-decoration: none;
}

.page-faq .faq-topic__num {
  padding-top: 4px;
  font-family: var(--font-mono);
  font-size: 13px;
  letter-spacing: 0.08em;
  color: var(--neon);
}

.page-faq .faq-topic__title {
  font-family: var(--font-display);
  font-size: 20px;
  font-weight: 700;
  letter-spacing: 0.01em;
  color: var(--text);
}

.page-faq .faq-topic__desc {
  grid-column: 2;
  margin: 2px 0 0;
  font-size: 14px;
  line-height: 1.7;
  color: var(--muted);
}

.page-faq .faq-topics__figure {
  margin: 0;
}

/* 主体两栏 */
.page-faq .faq-body {
  margin-top: clamp(10px, 2vw, 20px);
}

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

.page-faq .faq-index__inner {
  padding: 20px;
  border: 1px solid var(--line);
  border-radius: var(--faq-radius);
  background: var(--ink-800);
}

.page-faq .faq-index__list {
  display: flex;
  gap: 10px;
  margin: 12px 0 0;
  padding: 0 0 4px;
  list-style: none;
  overflow-x: auto;
  scrollbar-width: thin;
}

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

.page-faq .faq-index__list a,
.page-faq .faq-index__links a {
  display: inline-block;
  padding: 8px 14px;
  border: 1px solid var(--line);
  border-radius: var(--radius-pill);
  font-size: 14px;
  line-height: 1.4;
  color: var(--text);
  text-decoration: none;
  white-space: nowrap;
  transition: border-color var(--dur-fast) var(--ease-out),
    color var(--dur-fast) var(--ease-out);
}

.page-faq .faq-index__list a:hover,
.page-faq .faq-index__links a:hover {
  border-color: var(--line-strong);
  color: var(--neon);
}

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

.page-faq .faq-index__links {
  display: flex;
  flex-wrap: wrap;
  gap: 8px;
  margin: 12px 0 0;
  padding: 0;
  list-style: none;
}

.page-faq .faq-index__meter {
  height: 3px;
  margin-top: 22px;
  border-radius: var(--radius-pill);
  background: var(--ink-700);
  overflow: hidden;
}

.page-faq .faq-index__bar {
  display: block;
  width: calc(var(--p, 0) * 100%);
  height: 100%;
  border-radius: inherit;
  background: linear-gradient(90deg, var(--neon), var(--orange));
}

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

/* 问答项 */
.page-faq .faq-list {
  display: grid;
  gap: 12px;
}

.page-faq .faq-item {
  position: relative;
  overflow: hidden;
  border: 1px solid var(--line);
  border-radius: var(--faq-radius);
  background: var(--ink-800);
  transition: background var(--dur-base) var(--ease-out),
    border-color var(--dur-base) var(--ease-out);
}

.page-faq .faq-item::before {
  content: "";
  position: absolute;
  top: 0;
  bottom: 0;
  left: 0;
  width: 3px;
  background: var(--neon);
  transform: scaleY(0);
  transform-origin: top center;
  transition: transform var(--dur-base) var(--ease-out);
}

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

.page-faq .faq-item.is-open {
  background: linear-gradient(180deg, rgba(53, 240, 200, 0.08), rgba(10, 33, 27, 0.95));
  border-color: var(--line-strong);
}

.page-faq .faq-item.is-open::before {
  transform: scaleY(1);
}

.page-faq .faq-item__heading {
  margin: 0;
}

.page-faq .faq-trigger {
  display: flex;
  gap: 18px;
  align-items: flex-start;
  justify-content: space-between;
  width: 100%;
  padding: 18px 20px;
  border: 0;
  background: none;
  font-family: var(--font-body);
  font-size: 17px;
  font-weight: 600;
  line-height: 1.6;
  text-align: left;
  color: var(--text);
  cursor: pointer;
  transition: color var(--dur-fast) var(--ease-out);
}

.page-faq .faq-trigger:hover {
  color: var(--neon-soft);
}

.page-faq .faq-trigger:focus-visible {
  outline: 2px solid var(--neon);
  outline-offset: -2px;
}

.page-faq .faq-trigger__icon {
  position: relative;
  flex: none;
  width: 18px;
  height: 18px;
  margin-top: 3px;
}

.page-faq .faq-trigger__icon::before,
.page-faq .faq-trigger__icon::after {
  content: "";
  position: absolute;
  top: 50%;
  left: 50%;
  border-radius: 2px;
  background: var(--neon);
  transition: transform var(--dur-base) var(--ease-out),
    opacity var(--dur-fast) var(--ease-out);
}

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

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

.page-faq .faq-item.is-open .faq-trigger__icon::after {
  transform: translate(-50%, -50%) scaleY(0);
  opacity: 0;
}

.page-faq .faq-answer {
  padding: 0 20px 20px;
  border-top: 1px dashed var(--line-quiet);
}

.page-faq .faq-answer p {
  margin: 16px 0 0;
  font-size: 16px;
  line-height: 1.78;
  color: var(--text);
}

.page-faq .faq-answer a {
  color: var(--neon);
  text-decoration: none;
  border-bottom: 1px solid var(--line-strong);
}

.page-faq .faq-answer a:hover {
  color: var(--neon-soft);
}

.page-faq .faq-answer .num {
  font-family: var(--font-mono);
  color: var(--orange-soft);
}

/* 对照表 */
.page-faq .faq-table-wrap {
  margin-top: 18px;
  border: 1px solid var(--line);
  border-radius: var(--faq-radius);
  background: var(--ink-800);
  overflow-x: auto;
}

.page-faq .faq-table {
  width: 100%;
  min-width: 520px;
  border-collapse: collapse;
  font-size: 15px;
  line-height: 1.65;
}

.page-faq .faq-table__caption {
  padding: 16px 20px 4px;
  font-family: var(--font-mono);
  font-size: 12px;
  letter-spacing: 0.06em;
  text-align: left;
  color: var(--muted);
}

.page-faq .faq-table th,
.page-faq .faq-table td {
  padding: 14px 20px;
  text-align: left;
  vertical-align: top;
  border-bottom: 1px solid var(--line-quiet);
}

.page-faq .faq-table thead th {
  font-family: var(--font-mono);
  font-size: 12px;
  font-weight: 500;
  letter-spacing: 0.06em;
  color: var(--muted);
}

.page-faq .faq-table tbody th {
  font-weight: 600;
  color: var(--text);
}

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

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

.page-faq .faq-table .num {
  font-family: var(--font-mono);
  color: var(--orange);
}

.page-faq .faq-aside {
  margin: 16px 0 0;
  font-size: 14px;
  line-height: 1.75;
  color: var(--muted);
}

.page-faq .faq-aside a {
  color: var(--neon);
  text-decoration: none;
  border-bottom: 1px solid var(--line-strong);
}

.page-faq .faq-replay__figure {
  margin: clamp(20px, 3vw, 30px) 0 0;
}

/* 结尾引导 */
.page-faq .faq-help {
  margin-top: clamp(38px, 6vw, 72px);
  padding: clamp(24px, 4vw, 36px);
  border: 1px solid var(--line-strong);
  border-radius: var(--radius-lg);
  background: linear-gradient(150deg, rgba(255, 122, 47, 0.14), rgba(10, 33, 27, 0.96) 62%);
}

.page-faq .faq-help__title {
  margin: 0;
  font-family: var(--font-display);
  font-size: clamp(24px, 4.4vw, 34px);
  font-weight: 800;
  color: var(--text);
}

.page-faq .faq-help__lede {
  margin: 12px 0 0;
  max-width: 46ch;
  font-size: 16px;
  line-height: 1.8;
  color: var(--text);
}

.page-faq .faq-help__list {
  display: grid;
  gap: 10px;
  margin: 20px 0 24px;
  padding: 0;
  list-style: none;
}

.page-faq .faq-help__list li {
  display: flex;
  gap: 12px;
  align-items: baseline;
  font-size: 15px;
  line-height: 1.7;
  color: var(--text);
}

.page-faq .faq-help__num {
  font-family: var(--font-mono);
  font-size: 13px;
  color: var(--orange);
}

/* 桌面 */
@media (min-width: 760px) {
  .page-faq .faq-topics {
    grid-template-columns: minmax(0, 1.06fr) minmax(0, 0.94fr);
    align-items: start;
  }

  .page-faq .faq-answer {
    padding-left: 28px;
    padding-right: 28px;
  }

  .page-faq .faq-trigger {
    padding: 20px 28px;
  }

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

@media (min-width: 900px) {
  .page-faq .faq-hero {
    grid-template-columns: minmax(0, 7fr) minmax(0, 5fr);
    align-items: end;
  }

  .page-faq .faq-index {
    grid-column: 1 / span 3;
  }

  .page-faq .faq-main {
    grid-column: 5 / span 8;
  }

  .page-faq .faq-index__inner {
    position: sticky;
    top: 104px;
  }

  .page-faq .faq-index__list {
    flex-direction: column;
    gap: 6px;
    overflow-x: visible;
  }

  .page-faq .faq-index__list a {
    display: block;
    padding: 9px 14px;
    border-color: transparent;
    border-radius: var(--radius-md);
    white-space: normal;
  }

  .page-faq .faq-index__list a:hover {
    background: rgba(53, 240, 200, 0.08);
  }
}

@media (min-width: 1080px) {
  .page-faq .faq-hero__stats {
    grid-template-columns: repeat(2, minmax(0, 1fr));
    gap: 14px;
  }

  .page-faq .faq-item__heading {
    font-size: 18px;
  }
}
<<<END>>>

.page-faq {
  --p: 1rem;
}