.page-faq {
  --faq-num: clamp(62px, 15vw, 146px);
  --faq-rail-w: 0px;
  --faq-ink-soft: rgba(230, 238, 255, 0.82);
  background: var(--night);
  color: var(--mist);
  overflow-x: hidden;
}

.page-faq .faq-crumbwrap {
  padding-top: 22px;
}

.page-faq .bw-crumb {
  font-size: 13px;
}

/* ---------- 首屏 ---------- */
.page-faq .faq-hero {
  position: relative;
  padding: 34px 0 56px;
  isolation: isolate;
}

.page-faq .faq-hero::before {
  content: "";
  position: absolute;
  inset: 0;
  z-index: -1;
  background:
    linear-gradient(114deg, transparent 58%, rgba(200, 255, 62, 0.07) 58%, rgba(200, 255, 62, 0.07) 65%, transparent 65%),
    linear-gradient(294deg, transparent 78%, rgba(255, 107, 26, 0.08) 78%, rgba(255, 107, 26, 0.08) 86%, transparent 86%);
  pointer-events: none;
}

.page-faq .faq-hero .bw-title--xl {
  max-width: 18ch;
  margin: 14px 0 0;
  letter-spacing: -0.02em;
}

.page-faq .faq-hero__lede {
  max-width: 62ch;
  margin-top: 20px;
  color: var(--faq-ink-soft);
}

.page-faq .faq-herobar {
  margin-top: 36px;
}

.page-faq .faq-herobar .bw-stat__label {
  font-size: 13px;
  line-height: 1.6;
}

/* ---------- 步骤索引 ---------- */
.page-faq .faq-index {
  margin-top: 34px;
  padding: 22px 0 4px;
  border-top: 1px solid var(--line-dark-strong);
}

.page-faq .faq-index__title {
  margin: 0 0 14px;
  font-family: var(--font-mono);
  font-size: 11px;
  letter-spacing: 0.22em;
  color: var(--steel);
  text-transform: uppercase;
}

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

.page-faq .faq-index__list a {
  display: flex;
  align-items: baseline;
  gap: 12px;
  padding: 10px 2px;
  border-bottom: 1px dashed var(--line-dark);
  color: var(--mist);
  font-size: 15px;
  text-decoration: none;
  transition: color 0.2s var(--ease), border-color 0.2s var(--ease), padding-left 0.2s var(--ease);
}

.page-faq .faq-index__list a:hover,
.page-faq .faq-index__list a:focus-visible {
  color: var(--lime);
  border-color: var(--lime);
  padding-left: 8px;
  outline: none;
}

.page-faq .faq-index__num {
  flex: none;
  font-family: var(--font-mono);
  font-size: 12px;
  letter-spacing: 0.08em;
  color: var(--orange);
}

/* ---------- 步骤主轴 ---------- */
.page-faq .faq-steps {
  display: grid;
  grid-template-columns: minmax(0, 1fr);
}

.page-faq .faq-step {
  display: grid;
  grid-template-columns: minmax(0, 1fr);
  gap: 16px;
  padding: 42px 0;
  min-width: 0;
}

.page-faq .faq-step + .faq-step,
.page-faq .faq-step--plain {
  border-top: 1px solid var(--line-dark);
}

.page-faq .faq-step--plain {
  padding: 0;
  grid-template-columns: minmax(0, 1fr);
}

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

.page-faq .faq-step__num {
  display: block;
  font-family: var(--font-mono);
  font-weight: 700;
  font-size: var(--faq-num);
  line-height: 0.78;
  letter-spacing: -0.05em;
  color: transparent;
  -webkit-text-stroke: 1.5px rgba(200, 255, 62, 0.5);
  transition: -webkit-text-stroke-color 0.35s var(--ease);
}

.page-faq .faq-step:hover .faq-step__num,
.page-faq .faq-step:focus-within .faq-step__num {
  -webkit-text-stroke-color: var(--lime);
}

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

.page-faq .faq-step__body .bw-title {
  margin-top: 0;
  margin-bottom: 16px;
  letter-spacing: -0.015em;
}

.page-faq .faq-step__text {
  margin: 0 0 20px;
  max-width: 66ch;
  font-size: 17px;
  line-height: 1.85;
  color: var(--faq-ink-soft);
}

.page-faq .bw-surface-cream .faq-step__text,
.page-faq .faq-step__text--ink {
  color: var(--ink);
}

.page-faq .bw-surface-cream .faq-step__num {
  -webkit-text-stroke-color: rgba(196, 43, 30, 0.42);
}

.page-faq .bw-surface-cream .faq-step:hover .faq-step__num {
  -webkit-text-stroke-color: var(--vermillion);
}

.page-faq .faq-step__tip {
  max-width: 62ch;
  margin: 22px 0 0;
  padding-left: 16px;
  border-left: 3px solid var(--orange);
  font-size: 15px;
  line-height: 1.8;
  color: var(--steel);
}

/* ---------- 列表点 ---------- */
.page-faq .faq-points {
  list-style: none;
  margin: 0;
  padding: 0;
  display: grid;
  gap: 10px;
}

.page-faq .faq-points li {
  position: relative;
  padding-left: 24px;
  max-width: 66ch;
  font-size: 16px;
  line-height: 1.8;
  color: var(--faq-ink-soft);
}

.page-faq .faq-points li::before {
  content: "";
  position: absolute;
  left: 0;
  top: 0.82em;
  width: 13px;
  height: 2px;
  background: var(--lime);
}

.page-faq .bw-surface-cream .faq-points li {
  color: var(--ink);
}

.page-faq .bw-surface-cream .faq-points li::before {
  background: var(--vermillion);
}

/* ---------- 图片 ---------- */
.page-faq .faq-figure {
  margin: 30px 0 0;
  max-width: 780px;
}

.page-faq .faq-figure--wide {
  max-width: 100%;
  margin-top: 0;
  margin-bottom: 34px;
}

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

.page-faq .faq-figure .bw-figure__caption {
  font-size: 13px;
  line-height: 1.7;
  color: var(--steel);
}

/* ---------- 移动端问题清单 ---------- */
.page-faq .faq-issues {
  list-style: none;
  margin: 26px 0 0;
  padding: 0;
  display: grid;
  grid-template-columns: minmax(0, 1fr);
  gap: 0;
}

.page-faq .faq-issue {
  padding: 24px 0;
  border-top: 1px solid var(--line-light);
}

.page-faq .faq-issue:last-child {
  border-bottom: 1px solid var(--line-light);
}

.page-faq .faq-issue__title {
  margin: 0 0 10px;
  font-size: 19px;
  font-weight: 800;
  letter-spacing: -0.01em;
  color: var(--ink);
}

.page-faq .faq-issue__desc {
  margin: 0 0 12px;
  max-width: 64ch;
  font-size: 16px;
  line-height: 1.8;
  color: var(--ink);
}

.page-faq .faq-issue__fix {
  margin: 0;
  max-width: 64ch;
  padding: 11px 16px;
  border-left: 3px solid var(--vermillion);
  background: rgba(196, 43, 30, 0.06);
  font-size: 15px;
  line-height: 1.75;
  color: var(--ink);
}

.page-faq .faq-issue__fix span {
  display: inline-block;
  margin-right: 8px;
  font-weight: 800;
  letter-spacing: 0.06em;
  color: var(--vermillion);
}

/* ---------- 标签页与对照表 ---------- */
.page-faq .faq-tabs {
  margin-top: 0;
}

.page-faq .faq-tablist {
  display: flex;
  flex-wrap: wrap;
  gap: 10px;
  margin-bottom: 22px;
}

.page-faq .faq-tab {
  appearance: none;
  -webkit-appearance: none;
  padding: 11px 20px;
  border: 1px solid var(--line-dark-strong);
  border-radius: var(--radius);
  background: transparent;
  color: var(--steel);
  font-family: var(--font-sans);
  font-size: 14px;
  font-weight: 700;
  letter-spacing: 0.05em;
  cursor: pointer;
  transition: background-color 0.2s var(--ease), color 0.2s var(--ease), border-color 0.2s var(--ease);
}

.page-faq .faq-tab:hover {
  border-color: var(--lime);
  color: var(--lime);
}

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

.page-faq .faq-tab[aria-selected="true"] {
  background: var(--lime);
  border-color: var(--lime);
  color: var(--night);
}

.page-faq .faq-tablewrap {
  overflow-x: auto;
  border: 1px solid var(--line-dark-strong);
  background: rgba(10, 23, 48, 0.5);
  -webkit-overflow-scrolling: touch;
}

.page-faq .faq-table {
  width: 100%;
  min-width: 640px;
  border-collapse: collapse;
  font-size: 15px;
}

.page-faq .faq-table__caption {
  padding: 14px 18px;
  text-align: left;
  font-size: 12px;
  letter-spacing: 0.16em;
  color: var(--steel);
  border-bottom: 1px solid var(--line-dark);
}

.page-faq .faq-table th,
.page-faq .faq-table td {
  padding: 15px 18px;
  text-align: left;
  vertical-align: top;
  line-height: 1.65;
  border-bottom: 1px solid var(--line-dark);
}

.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 thead th {
  font-family: var(--font-mono);
  font-size: 11px;
  font-weight: 600;
  letter-spacing: 0.2em;
  color: var(--steel);
  background: rgba(18, 36, 74, 0.7);
}

.page-faq .faq-table tbody th {
  font-weight: 700;
  color: var(--mist);
  white-space: nowrap;
}

.page-faq .faq-table tbody td {
  color: var(--faq-ink-soft);
  font-size: 14px;
}

.page-faq .faq-mark {
  display: inline-flex;
  align-items: center;
  gap: 7px;
  margin-right: 6px;
  font-weight: 700;
  font-size: 14px;
  white-space: nowrap;
}

.page-faq .faq-mark::before {
  content: "";
  flex: none;
  width: 8px;
  height: 8px;
  border-radius: 50%;
  background: currentColor;
}

.page-faq .faq-mark--ok {
  color: var(--lime);
}

.page-faq .faq-mark--lim {
  color: var(--orange);
}

/* ---------- 移动端受限面板 ---------- */
.page-faq .faq-limits {
  list-style: none;
  margin: 0;
  padding: 0;
  display: grid;
  grid-template-columns: minmax(0, 1fr);
  gap: 12px;
}

.page-faq .faq-limits li {
  padding: 16px 18px;
  border: 1px solid var(--line-dark);
  border-left: 3px solid var(--orange);
  background: rgba(18, 36, 74, 0.55);
  font-size: 15px;
  line-height: 1.75;
  color: var(--faq-ink-soft);
}

.page-faq .faq-limits__note {
  margin: 20px 0 0;
  max-width: 60ch;
  font-size: 14px;
  line-height: 1.75;
  color: var(--steel);
}

/* ---------- 电脑端访问清单 ---------- */
.page-faq .faq-checklist {
  list-style: none;
  margin: 26px 0 0;
  padding: 0;
  display: grid;
  grid-template-columns: minmax(0, 1fr);
  gap: 12px;
}

.page-faq .faq-check {
  display: flex;
  align-items: flex-start;
  gap: 14px;
  padding: 16px 18px;
  border: 1px solid var(--line-light);
  background: rgba(255, 255, 255, 0.42);
}

.page-faq .faq-check__box {
  position: relative;
  flex: none;
  width: 20px;
  height: 20px;
  margin-top: 4px;
  border: 2px solid var(--ink);
}

.page-faq .faq-check__box::after {
  content: "";
  position: absolute;
  left: 5px;
  top: 0;
  width: 6px;
  height: 11px;
  border-right: 2px solid var(--vermillion);
  border-bottom: 2px solid var(--vermillion);
  transform: rotate(42deg);
}

.page-faq .faq-check__label {
  font-size: 15px;
  line-height: 1.75;
  color: var(--ink);
}

.page-faq .faq-check__label strong {
  display: block;
  margin-bottom: 4px;
  font-size: 16px;
  font-weight: 800;
  letter-spacing: -0.005em;
}

.page-faq .faq-note {
  font-size: 14px;
  line-height: 1.8;
  color: var(--steel);
}

.page-faq .faq-note--ink {
  margin: 26px 0 0;
  padding-top: 18px;
  border-top: 1px dashed var(--line-light);
  color: var(--ink);
}

.page-faq .faq-note a {
  color: var(--vermillion);
  font-weight: 700;
  text-decoration: underline;
  text-underline-offset: 3px;
}

.page-faq .faq-note a:hover,
.page-faq .faq-note a:focus-visible {
  color: var(--orange);
  outline: none;
}

/* ---------- 折叠问答 ---------- */
.page-faq .faq-qalist {
  margin-top: 26px;
  border-top: 1px solid var(--line-dark-strong);
}

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

.page-faq .faq-qa > summary {
  display: flex;
  align-items: flex-start;
  gap: 16px;
  padding: 20px 4px;
  font-size: 17px;
  font-weight: 700;
  line-height: 1.6;
  color: var(--mist);
  cursor: pointer;
  list-style: none;
  transition: color 0.2s var(--ease), padding-left 0.2s var(--ease);
}

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

.page-faq .faq-qa > summary:hover,
.page-faq .faq-qa > summary:focus-visible {
  color: var(--lime);
  padding-left: 10px;
  outline: none;
}

.page-faq .faq-qa__mark {
  position: relative;
  flex: none;
  width: 18px;
  height: 18px;
  margin-top: 5px;
}

.page-faq .faq-qa__mark::before,
.page-faq .faq-qa__mark::after {
  content: "";
  position: absolute;
  left: 50%;
  top: 50%;
  width: 14px;
  height: 2px;
  margin: -1px 0 0 -7px;
  background: var(--orange);
  transition: transform 0.25s var(--ease);
}

.page-faq .faq-qa__mark::after {
  transform: rotate(90deg);
}

.page-faq .faq-qa[open] .faq-qa__mark::after {
  transform: rotate(0deg);
}

.page-faq .faq-qa__answer {
  padding: 0 4px 24px 38px;
  max-width: 68ch;
}

.page-faq .faq-qa__answer p {
  margin: 0 0 12px;
  font-size: 16px;
  line-height: 1.85;
  color: var(--faq-ink-soft);
}

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

/* ---------- 联系与收尾 ---------- */
.page-faq .faq-section--tail {
  padding-bottom: 72px;
}

.page-faq .faq-cta {
  margin-top: 28px;
  padding: 26px 24px;
  border: 1px solid var(--line-dark-strong);
  background:
    linear-gradient(135deg, rgba(255, 107, 26, 0.12), transparent 58%),
    var(--stand);
}

.page-faq .faq-cta__text {
  margin: 0 0 20px;
  max-width: 62ch;
  font-size: 16px;
  line-height: 1.8;
  color: var(--faq-ink-soft);
}

.page-faq .faq-cta__actions {
  display: flex;
  flex-wrap: wrap;
  gap: 12px;
}

.page-faq .faq-cta__actions .bw-btn {
  font-size: 14px;
}

.page-faq .faq-tailnote {
  margin: 26px 0 0;
  max-width: 66ch;
}

.page-faq .faq-tailnote a {
  color: var(--lime);
  font-weight: 700;
  text-decoration: underline;
  text-underline-offset: 3px;
}

.page-faq .faq-tailnote a:hover,
.page-faq .faq-tailnote a:focus-visible {
  color: var(--orange);
  outline: none;
}

/* ---------- 响应式 ---------- */
@media (min-width: 620px) {
  .page-faq .faq-index__list {
    grid-template-columns: repeat(2, minmax(0, 1fr));
    column-gap: 32px;
  }
}

@media (min-width: 760px) {
  .page-faq .faq-limits,
  .page-faq .faq-checklist {
    grid-template-columns: repeat(2, minmax(0, 1fr));
  }

  .page-faq .faq-limits li:last-child:nth-child(odd) {
    grid-column: span 2;
  }
}

@media (min-width: 900px) {
  .page-faq .faq-crumbwrap {
    padding-top: 30px;
  }

  .page-faq .faq-hero {
    padding: 46px 0 72px;
  }

  .page-faq .faq-step,
  .page-faq .faq-step--plain {
    grid-template-columns: 168px minmax(0, 1fr);
    gap: 52px;
  }

  .page-faq .faq-steps > .faq-step {
    padding: 56px 0;
  }

  .page-faq .faq-step__num::after {
    content: "";
    display: block;
    width: 2px;
    height: 60px;
    margin: 22px 0 0 8px;
    background: linear-gradient(180deg, rgba(200, 255, 62, 0.7), rgba(200, 255, 62, 0));
  }

  .page-faq .bw-surface-cream .faq-step__num::after {
    background: linear-gradient(180deg, rgba(196, 43, 30, 0.6), rgba(196, 43, 30, 0));
  }

  .page-faq .faq-issues {
    grid-template-columns: repeat(2, minmax(0, 1fr));
    column-gap: 44px;
  }

  .page-faq .faq-issue:nth-child(2) {
    border-top: 1px solid var(--line-light);
  }

  .page-faq .faq-table {
    font-size: 15px;
  }
}

@media (min-width: 1080px) {
  .page-faq .faq-index__list {
    grid-template-columns: repeat(3, minmax(0, 1fr));
  }

  .page-faq .faq-step,
  .page-faq .faq-step--plain {
    grid-template-columns: 210px minmax(0, 1fr);
    gap: 68px;
  }

  .page-faq .faq-cta {
    display: flex;
    align-items: center;
    justify-content: space-between;
    gap: 40px;
    padding: 32px 36px;
  }

  .page-faq .faq-cta__text {
    margin-bottom: 0;
    flex: 1 1 auto;
  }

  .page-faq .faq-cta__actions {
    flex: none;
  }
}

@media (prefers-reduced-motion: reduce) {
  .page-faq .faq-index__list a,
  .page-faq .faq-step__num,
  .page-faq .faq-tab,
  .page-faq .faq-qa > summary,
  .page-faq .faq-qa__mark::before,
  .page-faq .faq-qa__mark::after {
    transition: none;
  }
}