.page-faq {
  --faq-measure: 36em;
  --faq-rail-w: 236px;
  position: relative;
  display: block;
  padding-top: 28px;
  padding-bottom: 96px;
  font-family: var(--font-body);
}

.page-faq::before {
  content: "";
  position: absolute;
  inset: -60px 0 auto 0;
  height: 460px;
  background: radial-gradient(58% 100% at 50% 0%, rgba(47, 125, 92, .30), rgba(4, 17, 13, 0) 72%);
  pointer-events: none;
}

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

/* 面包屑 */
.page-faq .crumb {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  gap: 12px;
  margin: 0 0 30px;
  font-size: var(--fs-12);
  letter-spacing: .1em;
  text-transform: uppercase;
  color: var(--text-3);
}

.page-faq .crumb__item {
  color: var(--text-3);
  text-decoration: none;
  border-bottom: 1px solid transparent;
  transition: color .2s var(--ease), border-color .2s var(--ease);
}

.page-faq .crumb__item[href]:hover,
.page-faq .crumb__item[href]:focus-visible {
  color: var(--cyan-400);
  border-bottom-color: var(--cyan-400);
}

.page-faq .crumb__item[aria-current="page"] {
  color: var(--text-2);
}

/* 页面抬头 */
.page-faq .faq-head {
  max-width: 54em;
}

.page-faq .page-head__title {
  margin: 14px 0 22px;
  font-family: var(--font-display);
  font-weight: 800;
  font-size: clamp(34px, 6.4vw, 64px);
  line-height: 1.04;
  letter-spacing: -.02em;
  color: var(--text-1);
}

.page-faq .page-head__desc {
  max-width: var(--faq-measure);
  margin: 0;
  font-size: var(--fs-18);
  line-height: 1.85;
  color: var(--text-2);
}

.page-faq .faq-head__meter {
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: 1px;
  margin: 40px 0 0;
  padding: 0;
  background: var(--line-soft);
  border-top: 1px solid var(--line);
  border-bottom: 1px solid var(--line);
}

.page-faq .faq-head__meter .stat {
  background: var(--ink-900);
  padding: 18px 16px;
}

.page-faq .faq-head__meter .stat__label {
  font-size: var(--fs-12);
  letter-spacing: .06em;
  color: var(--text-3);
}

.page-faq .faq-head__meter .stat__value {
  margin-top: 8px;
  font-family: var(--font-display);
  font-weight: 800;
  font-size: clamp(24px, 4vw, 34px);
  line-height: 1;
  letter-spacing: -.02em;
  color: var(--cyan-400);
  font-variant-numeric: tabular-nums;
}

/* 顶部通栏图 */
.page-faq .faq-hero {
  margin: 48px 0 0;
}

.page-faq .faq-hero img {
  display: block;
  width: 100%;
  max-width: 100%;
  height: clamp(170px, 28vw, 330px);
  object-fit: cover;
  object-position: center 40%;
  border-top: 1px solid var(--line);
  border-bottom: 1px solid var(--line);
}

.page-faq .faq-hero .media-frame__cap {
  margin: 12px auto 0;
  max-width: var(--shell);
  padding: 0 var(--pad);
  font-size: var(--fs-14);
  line-height: 1.7;
  color: var(--text-3);
}

/* 主体两栏 */
.page-faq .faq-body {
  display: grid;
  gap: 36px;
  margin-top: 56px;
}

.page-faq .faq-body > * {
  min-width: 0;
}

/* 分类索引 */
.page-faq .faq-rail__label {
  margin: 0 0 14px;
  font-size: var(--fs-12);
  letter-spacing: .18em;
  text-transform: uppercase;
  color: var(--text-3);
}

.page-faq .faq-index {
  display: flex;
  gap: 8px;
  overflow-x: auto;
  padding-bottom: 10px;
  scroll-snap-type: x mandatory;
  -webkit-overflow-scrolling: touch;
}

.page-faq .faq-index::-webkit-scrollbar {
  height: 2px;
}

.page-faq .faq-index::-webkit-scrollbar-thumb {
  background: var(--line);
}

.page-faq .faq-index__item {
  flex: 0 0 auto;
  scroll-snap-align: start;
  padding: 10px 15px;
  border: 1px solid var(--line);
  color: var(--text-2);
  font-size: var(--fs-14);
  text-decoration: none;
  white-space: nowrap;
  transition: color .2s var(--ease), border-color .2s var(--ease), background-color .2s var(--ease);
}

.page-faq .faq-index__item:hover,
.page-faq .faq-index__item:focus-visible {
  color: var(--text-1);
  border-color: var(--cyan-400);
}

.page-faq .faq-index__item.is-active {
  color: var(--text-1);
  border-color: var(--green-500);
  background: var(--glass);
}

/* 问答分组 */
.page-faq .faq-group {
  scroll-margin-top: 96px;
}

.page-faq .faq-group + .faq-group {
  margin-top: 64px;
}

.page-faq .faq-group__head {
  display: flex;
  gap: 18px;
  align-items: flex-start;
  margin-bottom: 26px;
}

.page-faq .faq-group__num {
  flex: 0 0 auto;
  font-family: var(--font-display);
  font-weight: 800;
  font-size: clamp(46px, 9vw, 88px);
  line-height: .82;
  letter-spacing: -.03em;
  color: var(--green-500);
}

.page-faq .faq-group__title {
  margin: 0;
  font-family: var(--font-display);
  font-weight: 700;
  font-size: clamp(21px, 3.6vw, 30px);
  line-height: 1.2;
  letter-spacing: -.01em;
  color: var(--text-1);
}

.page-faq .faq-group__lead {
  max-width: var(--faq-measure);
  margin: 12px 0 0;
  font-size: var(--fs-16);
  line-height: 1.8;
  color: var(--text-2);
}

/* 折叠问答 */
.page-faq .fold {
  border: 1px solid var(--line-soft);
  background: var(--glass);
  transition: background-color .25s var(--ease), border-color .25s var(--ease);
}

.page-faq .fold + .fold {
  margin-top: 10px;
}

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

.page-faq .fold[open] {
  background: var(--ink-700);
  border-color: var(--green-500);
}

.page-faq .fold__head {
  display: flex;
  align-items: flex-start;
  gap: 14px;
  padding: 18px 18px;
  list-style: none;
  cursor: pointer;
  font-size: var(--fs-18);
  font-weight: 600;
  line-height: 1.55;
  color: var(--text-1);
}

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

.page-faq .fold__head::after {
  content: "+";
  margin-left: auto;
  flex: 0 0 auto;
  font-family: var(--font-display);
  font-weight: 700;
  font-size: 24px;
  line-height: 1;
  color: var(--cyan-400);
  transition: transform .2s var(--ease);
}

.page-faq .fold[open] .fold__head::after {
  content: "−";
  transform: translateY(-1px);
}

.page-faq .fold__head:focus-visible {
  outline: 2px solid var(--cyan-400);
  outline-offset: -2px;
}

.page-faq .fold__body {
  padding: 0 18px 20px;
  border-top: 1px solid var(--line-soft);
}

.page-faq .fold__body p {
  max-width: var(--faq-measure);
  margin: 14px 0 0;
  font-size: var(--fs-16);
  line-height: 1.9;
  color: var(--text-2);
}

.page-faq .fold__body a {
  color: var(--cyan-400);
  text-decoration: none;
  border-bottom: 1px solid transparent;
  transition: border-color .2s var(--ease);
}

.page-faq .fold__body a:hover,
.page-faq .fold__body a:focus-visible {
  border-bottom-color: var(--cyan-400);
}

/* 临时与复核对照 */
.page-faq .faq-compare {
  display: grid;
  gap: 0;
  margin: 0 0 26px;
  border: 1px solid var(--line);
  background: var(--glass);
}

.page-faq .faq-compare__cell {
  padding: 22px 20px 24px;
}

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

.page-faq .faq-compare__cell--live {
  box-shadow: inset 0 3px 0 var(--cyan-400);
}

.page-faq .faq-compare__cell--final {
  box-shadow: inset 0 3px 0 var(--green-500);
}

.page-faq .faq-compare__title {
  margin: 14px 0 14px;
  font-family: var(--font-display);
  font-weight: 700;
  font-size: clamp(18px, 2.6vw, 22px);
  line-height: 1.3;
  color: var(--text-1);
}

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

.page-faq .faq-compare__list li {
  position: relative;
  padding-left: 16px;
  margin-bottom: 10px;
  font-size: var(--fs-14);
  line-height: 1.8;
  color: var(--text-2);
}

.page-faq .faq-compare__list li::before {
  content: "";
  position: absolute;
  left: 0;
  top: .72em;
  width: 6px;
  height: 1px;
  background: var(--green-500);
}

.page-faq .faq-compare__cell--live .faq-compare__list li::before {
  background: var(--cyan-400);
}

/* 排名字段表 */
.page-faq .faq-fields-wrap {
  margin: 26px 0 26px;
}

.page-faq .faq-fields {
  width: 100%;
  border-collapse: collapse;
  font-size: var(--fs-14);
}

.page-faq .faq-fields__cap {
  padding: 0 0 12px;
  text-align: left;
  font-size: var(--fs-12);
  letter-spacing: .14em;
  text-transform: uppercase;
  color: var(--text-3);
}

.page-faq .faq-fields th,
.page-faq .faq-fields td {
  text-align: left;
  padding: 13px 14px;
  border-bottom: 1px solid var(--line-soft);
  line-height: 1.7;
}

.page-faq .faq-fields thead th {
  color: var(--text-3);
  font-weight: 600;
  font-size: var(--fs-12);
  letter-spacing: .1em;
  text-transform: uppercase;
  border-bottom-color: var(--line);
}

.page-faq .faq-fields tbody td:first-child {
  width: 32%;
  color: var(--cyan-400);
  font-weight: 600;
  white-space: nowrap;
}

.page-faq .faq-fields tbody td:last-child {
  color: var(--text-2);
}

.page-faq .faq-fields__note {
  margin: 12px 0 0;
  max-width: var(--faq-measure);
  font-size: var(--fs-14);
  line-height: 1.8;
  color: var(--text-3);
}

/* 反馈章节 */
.page-faq .faq-feedback {
  display: grid;
  gap: 24px;
}

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

.page-faq .faq-feedback__figure img {
  display: block;
  width: 100%;
  max-width: 100%;
  height: auto;
  object-fit: cover;
  border: 1px solid var(--line);
}

.page-faq .faq-feedback__figure .media-frame__cap {
  margin-top: 12px;
  font-size: var(--fs-14);
  line-height: 1.75;
  color: var(--text-3);
}

/* 其他入口 */
.page-faq .faq-next {
  margin: 0;
  padding: 0;
  list-style: none;
  border-top: 1px solid var(--line);
}

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

.page-faq .faq-next__link {
  display: flex;
  flex-direction: column;
  gap: 6px;
  padding: 20px 4px;
  text-decoration: none;
  transition: padding-left .25s var(--ease), background-color .25s var(--ease);
}

.page-faq .faq-next__link:hover,
.page-faq .faq-next__link:focus-visible {
  padding-left: 16px;
  background: var(--glass);
  box-shadow: inset 3px 0 0 var(--cyan-400);
}

.page-faq .faq-next__title {
  font-family: var(--font-display);
  font-weight: 700;
  font-size: var(--fs-22);
  letter-spacing: -.01em;
  color: var(--text-1);
}

.page-faq .faq-next__link:hover .faq-next__title,
.page-faq .faq-next__link:focus-visible .faq-next__title {
  color: var(--cyan-400);
}

.page-faq .faq-next__desc {
  font-size: var(--fs-14);
  line-height: 1.75;
  color: var(--text-2);
}

/* 平板与桌面 */
@media (min-width: 700px) {
  .page-faq {
    padding-top: 40px;
    padding-bottom: 120px;
  }

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

  .page-faq .faq-compare {
    grid-template-columns: 1fr 1fr;
  }

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

  .page-faq .faq-compare__cell {
    padding: 26px 24px 28px;
  }

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

  .page-faq .fold__body {
    padding: 0 22px 22px;
  }
}

@media (min-width: 1024px) {
  .page-faq .faq-body {
    grid-template-columns: var(--faq-rail-w) minmax(0, 1fr);
    gap: 72px;
    margin-top: 80px;
  }

  .page-faq .faq-rail {
    position: sticky;
    top: 96px;
    align-self: start;
  }

  .page-faq .faq-index {
    flex-direction: column;
    gap: 2px;
    overflow: visible;
    padding-bottom: 0;
  }

  .page-faq .faq-index__item {
    border: 0;
    border-left: 2px solid var(--line);
    padding: 9px 4px 9px 15px;
    white-space: normal;
    background: none;
  }

  .page-faq .faq-index__item.is-active {
    border-left-color: var(--cyan-400);
    background: none;
    color: var(--text-1);
  }

  .page-faq .faq-index__item:hover,
  .page-faq .faq-index__item:focus-visible {
    border-left-color: var(--green-500);
  }

  .page-faq .faq-feedback {
    grid-template-columns: minmax(0, 1.35fr) minmax(0, 1fr);
    gap: 40px;
    align-items: start;
  }

  .page-faq .faq-group + .faq-group {
    margin-top: 84px;
  }

  .page-faq .faq-next__link {
    flex-direction: row;
    align-items: baseline;
    gap: 20px;
    padding: 22px 4px;
  }

  .page-faq .faq-next__title {
    flex: 0 0 auto;
    min-width: 9em;
  }
}

@media (min-width: 1280px) {
  .page-faq {
    --faq-rail-w: 268px;
  }
}