.page-faq {
  --faq-gap: clamp(20px, 4vw, 40px);
  --faq-line: 1px solid var(--line);
  display: block;
  background: var(--ink-950);
  color: var(--white);
}

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

.page-faq .score-num {
  font-family: var(--font-score);
  font-weight: 700;
  font-variant-numeric: tabular-nums;
  color: var(--white);
  line-height: 1;
}

/* ---------- 首屏 ---------- */
.page-faq .faq-hero {
  padding: clamp(24px, 5vw, 56px) 0 clamp(32px, 5vw, 64px);
}

.page-faq .faq-hero .breadcrumb {
  margin-bottom: clamp(20px, 4vw, 40px);
}

.page-faq .faq-hero__grid {
  display: grid;
  gap: var(--faq-gap);
}

.page-faq .faq-hero__eyebrow {
  font-family: var(--font-head);
  font-size: 12px;
  letter-spacing: 0.14em;
  color: var(--lime);
  margin: 0 0 14px;
}

.page-faq .faq-title {
  font-family: var(--font-head);
  font-weight: 700;
  font-size: clamp(32px, 6vw, 58px);
  line-height: 1.08;
  letter-spacing: -0.01em;
  margin: 0 0 20px;
  max-width: 16em;
}

.page-faq .faq-lead {
  font-family: var(--font-body);
  font-size: clamp(15px, 1.5vw, 17px);
  line-height: 1.85;
  color: var(--mist);
  max-width: 34em;
  margin: 0;
}

.page-faq .faq-jump {
  list-style: none;
  display: flex;
  flex-wrap: wrap;
  gap: 8px;
  margin: 26px 0 0;
  padding: 0;
}

.page-faq .faq-jump a {
  display: inline-block;
  padding: 7px 12px;
  border: var(--faq-line);
  border-radius: 2px;
  color: var(--mist);
  font-family: var(--font-head);
  font-size: 12px;
  letter-spacing: 0.08em;
  text-decoration: none;
  transition: color 0.16s var(--ease), border-color 0.16s var(--ease), transform 0.16s var(--ease);
}

.page-faq .faq-jump a:hover,
.page-faq .faq-jump a:focus-visible {
  color: var(--white);
  border-color: var(--lime);
  transform: translateX(2px);
}

.page-faq .faq-hero__card {
  background: var(--ink-800);
  border: var(--faq-line);
  box-shadow: var(--shadow);
  padding: clamp(18px, 3vw, 26px);
}

.page-faq .faq-hero__card-title {
  font-family: var(--font-head);
  font-size: 12px;
  letter-spacing: 0.1em;
  color: var(--mist);
  margin: 0 0 16px;
}

.page-faq .faq-metrics {
  margin: 0;
  display: grid;
  gap: 14px;
}

.page-faq .faq-metric {
  display: flex;
  align-items: baseline;
  justify-content: space-between;
  gap: 12px;
  padding-bottom: 12px;
  border-bottom: 1px solid rgba(42, 59, 51, 0.8);
}

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

.page-faq .faq-metric dt {
  font-family: var(--font-head);
  font-size: 13px;
  letter-spacing: 0.04em;
  color: var(--mist);
}

.page-faq .faq-metric dd {
  margin: 0;
  font-family: var(--font-head);
  font-size: 13px;
  color: var(--white);
}

.page-faq .faq-metric dd .score-num {
  font-size: 30px;
  margin-right: 2px;
}

.page-faq .faq-hero__card-foot {
  margin: 18px 0 0;
  padding-top: 14px;
  border-top: 1px solid rgba(42, 59, 51, 0.8);
  font-family: var(--font-head);
  font-size: 12px;
  line-height: 1.7;
  letter-spacing: 0.03em;
  color: var(--mist);
}

/* ---------- 章节骨架 ---------- */
.page-faq .faq-section {
  padding: clamp(36px, 6vw, 80px) 0;
}

.page-faq .faq-section--last {
  padding-bottom: clamp(48px, 8vw, 96px);
}

.page-faq .faq-head {
  display: grid;
  grid-template-columns: auto minmax(0, 1fr);
  column-gap: 14px;
  align-items: baseline;
  margin-bottom: clamp(22px, 4vw, 38px);
}

.page-faq .faq-head__num {
  grid-row: span 2;
  font-family: var(--font-score);
  font-size: clamp(34px, 6vw, 60px);
  font-weight: 700;
  line-height: 0.9;
  color: var(--lime);
}

.page-faq .faq-head__title {
  font-family: var(--font-head);
  font-weight: 700;
  font-size: clamp(22px, 3.4vw, 32px);
  line-height: 1.25;
  letter-spacing: -0.01em;
  margin: 0;
}

.page-faq .faq-head__lede {
  grid-column: 2;
  font-family: var(--font-body);
  font-size: 15px;
  line-height: 1.8;
  color: var(--mist);
  margin: 10px 0 0;
  max-width: 38em;
}

/* ---------- 步骤卡 ---------- */
.page-faq .faq-steps-layout {
  display: grid;
  gap: var(--faq-gap);
}

.page-faq .faq-steps-col {
  min-width: 0;
}

.page-faq .faq-steps {
  display: block;
}

.page-faq .faq-step {
  position: relative;
  background: var(--ink-900);
  border: var(--faq-line);
  transition: border-color 0.16s var(--ease), background-color 0.16s var(--ease);
}

.page-faq .faq-step + .faq-step {
  margin-top: 16px;
}

.page-faq .faq-step:not(:last-child)::after {
  content: "";
  position: absolute;
  left: 40px;
  bottom: -16px;
  height: 16px;
  border-left: 1px dashed var(--line);
}

.page-faq .faq-step:hover {
  border-color: rgba(200, 255, 61, 0.45);
}

.page-faq .faq-step[data-open="true"] {
  border-color: var(--lime);
  background: var(--ink-800);
  box-shadow: inset 2px 0 0 var(--lime);
}

.page-faq .step__head {
  display: grid;
  grid-template-columns: auto minmax(0, 1fr) auto;
  align-items: center;
  gap: 14px;
  width: 100%;
  padding: 16px 18px;
  background: none;
  border: 0;
  color: inherit;
  font: inherit;
  text-align: left;
  cursor: pointer;
}

.page-faq .step__num {
  font-family: var(--font-score);
  font-size: clamp(26px, 4.6vw, 42px);
  font-weight: 700;
  line-height: 1;
  color: var(--lime);
  min-width: 1.7em;
}

.page-faq .step__title {
  font-family: var(--font-head);
  font-size: 16px;
  font-weight: 700;
  letter-spacing: 0.01em;
  color: var(--white);
}

.page-faq .step__body {
  display: none;
  padding: 0 18px 18px;
}

.page-faq .step[data-open="true"] .step__body {
  display: block;
  animation: faqReveal 0.24s var(--ease);
}

.page-faq .step__body p {
  margin: 0;
  font-family: var(--font-body);
  font-size: 15px;
  line-height: 1.85;
  color: var(--mist);
  max-width: 36em;
}

.page-faq .faq-mark {
  position: relative;
  width: 18px;
  height: 18px;
  flex: none;
  justify-self: end;
}

.page-faq .faq-mark::before,
.page-faq .faq-mark::after {
  content: "";
  position: absolute;
  background: var(--mist);
  transition: transform 0.16s var(--ease), background-color 0.16s var(--ease);
}

.page-faq .faq-mark::before {
  left: 0;
  right: 0;
  top: 50%;
  height: 1.5px;
  transform: translateY(-50%);
}

.page-faq .faq-mark::after {
  top: 0;
  bottom: 0;
  left: 50%;
  width: 1.5px;
  transform: translateX(-50%);
}

.page-faq .step[data-open="true"] .faq-mark::before,
.page-faq .step[data-open="true"] .faq-mark::after {
  background: var(--lime);
}

.page-faq .step[data-open="true"] .faq-mark::after {
  transform: translateX(-50%) scaleY(0);
}

.page-faq .faq-steps__aside {
  display: grid;
  gap: 14px;
  align-content: start;
}

.page-faq .faq-steps__aside img {
  display: block;
  width: 100%;
  height: auto;
  max-width: 100%;
  object-fit: cover;
  border: var(--faq-line);
  background: var(--ink-800);
}

.page-faq .faq-steps__aside .aside-note {
  font-family: var(--font-body);
  font-size: 13.5px;
  line-height: 1.8;
  color: var(--mist);
  border-left: 2px solid var(--line);
  padding-left: 12px;
  margin: 0;
}

.page-faq .faq-aside-link {
  margin: 2px 0 0;
}

.page-faq .link {
  color: var(--lime);
  text-decoration: none;
  border-bottom: 1px solid rgba(200, 255, 61, 0.45);
  transition: border-color 0.16s var(--ease), color 0.16s var(--ease);
}

.page-faq .link:hover,
.page-faq .link:focus-visible {
  border-bottom-color: var(--lime);
}

/* ---------- 收藏分组 ---------- */
.page-faq .faq-split {
  display: grid;
  gap: var(--faq-gap);
}

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

.page-faq .faq-figure img {
  display: block;
  width: 100%;
  height: auto;
  max-width: 100%;
  object-fit: cover;
  border: var(--faq-line);
  background: var(--ink-800);
}

.page-faq .faq-figure__caption {
  margin-top: 10px;
  font-family: var(--font-body);
  font-size: 13px;
  line-height: 1.7;
  color: var(--mist);
}

.page-faq .faq-split__text .prose {
  font-family: var(--font-body);
  font-size: 15.5px;
  line-height: 1.85;
  color: var(--mist);
  max-width: 36em;
  margin: 0 0 22px;
}

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

.page-faq .faq-who__item {
  border: var(--faq-line);
  background: var(--ink-900);
  padding: 16px 18px;
  transition: border-color 0.16s var(--ease), transform 0.16s var(--ease);
}

.page-faq .faq-who__item:hover {
  border-color: rgba(200, 255, 61, 0.5);
  transform: translateX(3px);
}

.page-faq .faq-who__title {
  font-family: var(--font-head);
  font-size: 15px;
  font-weight: 700;
  margin: 0 0 6px;
  color: var(--white);
}

.page-faq .faq-who__item p {
  margin: 0;
  font-family: var(--font-body);
  font-size: 14px;
  line-height: 1.8;
  color: var(--mist);
}

.page-faq .faq-split__foot {
  margin: 18px 0 0;
  font-family: var(--font-head);
  font-size: 13px;
  letter-spacing: 0.03em;
  color: var(--mist);
}

/* ---------- 格式对照表 ---------- */
.page-faq .faq-table-wrap {
  border: var(--faq-line);
  background: var(--ink-900);
  overflow: hidden;
}

.page-faq .faq-table {
  width: 100%;
  border-collapse: collapse;
  table-layout: fixed;
}

.page-faq .faq-table th,
.page-faq .faq-table td {
  padding: 13px 14px;
  text-align: left;
  vertical-align: top;
  word-break: break-word;
}

.page-faq .faq-table thead th {
  background: var(--lime);
  color: var(--ink-950);
  font-family: var(--font-head);
  font-size: 11.5px;
  font-weight: 700;
  letter-spacing: 0.08em;
}

.page-faq .faq-table tbody tr {
  border-top: var(--faq-line);
  transition: background-color 0.16s var(--ease);
  cursor: default;
}

.page-faq .faq-table tbody tr:hover,
.page-faq .faq-table tbody tr:focus-visible {
  background: var(--ink-800);
}

.page-faq .faq-format {
  font-family: var(--font-score);
  font-size: 20px;
  font-weight: 700;
  letter-spacing: 0.02em;
  color: var(--white);
  white-space: nowrap;
}

.page-faq .faq-table td {
  font-family: var(--font-body);
  font-size: 14px;
  line-height: 1.75;
  color: var(--mist);
}

.page-faq .faq-table tbody tr:hover td,
.page-faq .faq-table tbody tr:focus-visible td {
  color: var(--paper);
}

/* ---------- 更新节奏 ---------- */
.page-faq .faq-facts {
  display: grid;
  gap: 14px;
}

.page-faq .faq-fact {
  border: var(--faq-line);
  background: var(--ink-900);
  padding: 18px 18px 20px;
  transition: border-color 0.16s var(--ease);
}

.page-faq .faq-fact:hover {
  border-color: rgba(200, 255, 61, 0.45);
}

.page-faq .faq-fact__kicker {
  margin: 0 0 12px;
  font-family: var(--font-head);
  font-size: 12px;
  letter-spacing: 0.08em;
  color: var(--lime);
}

.page-faq .faq-fact__kicker .score-num {
  font-size: 40px;
  color: var(--lime);
  margin-right: 4px;
}

.page-faq .faq-fact__title {
  font-family: var(--font-head);
  font-size: 15.5px;
  font-weight: 700;
  margin: 0 0 8px;
  color: var(--white);
}

.page-faq .faq-fact p:last-child {
  margin: 0;
  font-family: var(--font-body);
  font-size: 14px;
  line-height: 1.8;
  color: var(--mist);
}

.page-faq .faq-note {
  margin: 20px 0 0;
  font-family: var(--font-body);
  font-size: 13.5px;
  line-height: 1.8;
  color: var(--mist);
  border-left: 2px solid var(--whistle);
  padding-left: 12px;
}

/* ---------- 问答 ---------- */
.page-faq .faq-group {
  margin-top: clamp(24px, 4vw, 40px);
}

.page-faq .faq-group:first-of-type {
  margin-top: 0;
}

.page-faq .faq-group__title {
  display: flex;
  align-items: baseline;
  gap: 10px;
  font-family: var(--font-head);
  font-size: 16px;
  font-weight: 700;
  letter-spacing: 0.02em;
  color: var(--white);
  padding-bottom: 10px;
  border-bottom: 1px solid rgba(42, 59, 51, 0.9);
  margin: 0 0 4px;
}

.page-faq .faq-group__count {
  font-family: var(--font-score);
  font-size: 22px;
  font-weight: 700;
  color: var(--lime);
  line-height: 1;
}

.page-faq .faq-q {
  border-top: 1px solid rgba(42, 59, 51, 0.7);
  transition: background-color 0.16s var(--ease);
}

.page-faq .faq-q:first-of-type {
  border-top: 0;
}

.page-faq .faq-q:hover {
  background: rgba(18, 39, 31, 0.55);
}

.page-faq .faq-q[data-open="true"] {
  background: rgba(18, 39, 31, 0.75);
}

.page-faq .faq-q .step__head {
  grid-template-columns: minmax(0, 1fr) auto;
  gap: 12px;
  padding: 14px 12px 14px 0;
}

.page-faq .faq-q__text {
  font-family: var(--font-head);
  font-size: 14.5px;
  font-weight: 600;
  line-height: 1.6;
  color: var(--paper);
}

.page-faq .faq-q[data-open="true"] .faq-q__text {
  color: var(--white);
}

.page-faq .faq-q .step__body {
  padding: 0 12px 16px 0;
}

.page-faq .faq-q .step__body p {
  font-size: 14px;
  line-height: 1.85;
  color: var(--mist);
  max-width: 36em;
}

@keyframes faqReveal {
  from {
    opacity: 0;
    transform: translateY(-4px);
  }
  to {
    opacity: 1;
    transform: translateY(0);
  }
}

/* ---------- 联系通道 ---------- */
.page-faq .faq-channel {
  border: var(--faq-line);
  background: var(--ink-900);
  padding: clamp(22px, 4vw, 40px);
  display: grid;
  gap: clamp(20px, 3vw, 32px);
  box-shadow: var(--shadow);
}

.page-faq .faq-channel__eyebrow {
  margin: 0 0 12px;
  font-family: var(--font-head);
  font-size: 12px;
  letter-spacing: 0.14em;
  color: var(--whistle);
}

.page-faq .faq-channel__title {
  font-family: var(--font-head);
  font-weight: 700;
  font-size: clamp(22px, 3.4vw, 32px);
  line-height: 1.25;
  margin: 0 0 12px;
}

.page-faq .faq-channel__intro p:last-child {
  margin: 0;
  font-family: var(--font-body);
  font-size: 15px;
  line-height: 1.85;
  color: var(--mist);
  max-width: 34em;
}

.page-faq .faq-channel__list {
  list-style: none;
  margin: 0;
  padding: 0;
  display: grid;
  gap: 12px;
  align-content: start;
}

.page-faq .faq-channel__list li {
  display: grid;
  gap: 3px;
  padding-bottom: 12px;
  border-bottom: 1px solid rgba(42, 59, 51, 0.85);
}

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

.page-faq .faq-channel__label {
  font-family: var(--font-head);
  font-size: 11.5px;
  letter-spacing: 0.12em;
  color: var(--mist);
}

.page-faq .faq-channel__value {
  font-family: var(--font-head);
  font-size: 16px;
  font-weight: 700;
  color: var(--white);
  word-break: break-all;
}

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

/* ---------- 响应式 ---------- */
@media (min-width: 720px) {
  .page-faq .faq-facts {
    grid-template-columns: repeat(2, minmax(0, 1fr));
  }

  .page-faq .faq-channel {
    grid-template-columns: minmax(0, 1.4fr) minmax(0, 1fr);
    align-items: start;
  }

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

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

  .page-faq .faq-split {
    grid-template-columns: minmax(0, 5fr) minmax(0, 7fr);
    align-items: start;
  }
}

@media (min-width: 960px) {
  .page-faq .faq-steps-layout {
    grid-template-columns: minmax(0, 7fr) minmax(0, 4fr);
    align-items: start;
  }

  .page-faq .faq-q {
    display: grid;
    grid-template-columns: minmax(0, 5fr) minmax(0, 7fr);
    column-gap: 28px;
    align-items: start;
    padding: 4px 0;
  }

  .page-faq .faq-q .step__head {
    grid-column: 1;
    padding: 12px 0;
  }

  .page-faq .faq-q .step__body {
    grid-column: 2;
    padding: 12px 0;
  }

  .page-faq .faq-q .step__body p {
    font-size: 13.5px;
  }
}

@media (max-width: 679px) {
  .page-faq .faq-table thead {
    display: none;
  }

  .page-faq .faq-table,
  .page-faq .faq-table tbody,
  .page-faq .faq-table tr,
  .page-faq .faq-table th,
  .page-faq .faq-table td {
    display: block;
    width: 100%;
  }

  .page-faq .faq-table tbody tr {
    padding: 14px;
    border-top: var(--faq-line);
  }

  .page-faq .faq-table tbody tr:first-child {
    border-top: 0;
  }

  .page-faq .faq-table th,
  .page-faq .faq-table td {
    padding: 0;
  }

  .page-faq .faq-format {
    margin-bottom: 6px;
    font-size: 22px;
  }

  .page-faq .faq-table td {
    margin-top: 8px;
  }

  .page-faq .faq-table td::before {
    content: attr(data-label);
    display: block;
    font-family: var(--font-head);
    font-size: 10.5px;
    letter-spacing: 0.1em;
    color: var(--lime);
    margin-bottom: 2px;
  }
}

@media (prefers-reduced-motion: reduce) {
  .page-faq *,
  .page-faq *::before,
  .page-faq *::after {
    animation-duration: 0.001ms !important;
    animation-iteration-count: 1 !important;
    transition-duration: 0.001ms !important;
  }
}
<<<END>>>