.page-faq {
  --faq-rule: rgba(31, 27, 22, .14);
  --faq-rule-night: rgba(245, 238, 225, .22);
  --faq-gap: clamp(16px, 3vw, 28px);
  background: var(--ob-paper);
  color: var(--ob-ink);
  overflow-wrap: break-word;
}

.page-faq .faq-mono,
.page-faq .ob-coord {
  font-family: var(--ob-font-mono);
  letter-spacing: .02em;
}

.page-faq [id^="seg-"] {
  scroll-margin-top: calc(var(--ob-header-h) + 20px);
}

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

/* ---------- 首屏 ---------- */

.page-faq .faq-hero {
  position: relative;
  background: var(--ob-night);
  color: var(--ob-paper);
  padding: calc(var(--ob-header-h) + 46px) 0 52px;
  overflow: hidden;
}

.page-faq .faq-hero::before {
  content: "";
  position: absolute;
  inset: 0;
  pointer-events: none;
  background-image:
    radial-gradient(circle at 10% 16%, rgba(60, 123, 217, .34), transparent 42%),
    radial-gradient(circle at 84% 6%, rgba(242, 169, 59, .20), transparent 46%),
    radial-gradient(circle at 62% 92%, rgba(30, 158, 107, .16), transparent 52%);
}

.page-faq .faq-hero::after {
  content: "";
  position: absolute;
  left: 0;
  right: 0;
  top: 0;
  height: 3px;
  background: linear-gradient(90deg, var(--ob-blue) 0 20%, var(--ob-paper) 20% 40%, var(--ob-red) 40% 60%, var(--ob-green) 60% 80%, var(--ob-yellow) 80% 100%);
  opacity: .85;
}

.page-faq .faq-hero__inner {
  position: relative;
  display: grid;
  gap: 30px;
}

.page-faq .faq-crumbs {
  color: var(--ob-slate);
  font-size: 13px;
}

.page-faq .faq-crumbs a {
  color: var(--ob-paper);
  text-decoration: none;
  border-bottom: 1px solid rgba(245, 238, 225, .35);
}

.page-faq .faq-crumbs a:hover {
  border-bottom-color: var(--ob-gold);
  color: var(--ob-gold);
}

.page-faq .faq-hero__kicker {
  color: var(--ob-yellow);
  margin-top: 18px;
}

.page-faq .faq-hero__title {
  margin: 12px 0 0;
  font-family: var(--ob-font-display);
  font-weight: 900;
  font-size: clamp(30px, 6.4vw, 58px);
  line-height: 1.06;
  letter-spacing: -.015em;
  max-width: 15em;
}

.page-faq .faq-hero__lead {
  margin: 18px 0 0;
  max-width: 34em;
  font-size: 16px;
  line-height: 1.8;
  color: rgba(245, 238, 225, .82);
}

.page-faq .faq-hero__facts {
  display: flex;
  flex-wrap: wrap;
  gap: 10px 26px;
  margin: 24px 0 0;
  padding: 16px 0 0;
  list-style: none;
  border-top: 1px dashed var(--faq-rule-night);
}

.page-faq .faq-hero__facts li {
  display: flex;
  align-items: baseline;
  gap: 7px;
  font-size: 13px;
  color: var(--ob-slate);
}

.page-faq .faq-hero__facts strong {
  font-family: var(--ob-font-mono);
  font-size: 24px;
  font-weight: 700;
  color: var(--ob-gold);
  line-height: 1;
}

.page-faq .faq-hero__actions {
  display: flex;
  flex-wrap: wrap;
  gap: 12px;
  margin-top: 26px;
}

.page-faq .faq-status {
  padding: 22px 20px 20px;
  border-radius: 6px;
  border: 1px solid var(--ob-glass-line);
  background: var(--ob-glass);
  backdrop-filter: blur(10px);
}

.page-faq .faq-status__coord {
  color: var(--ob-yellow);
  font-size: 12px;
  margin: 0 0 14px;
}

.page-faq .faq-status__list {
  margin: 0;
  display: grid;
  gap: 12px;
}

.page-faq .faq-status__row {
  display: flex;
  justify-content: space-between;
  align-items: baseline;
  gap: 14px;
  padding-bottom: 11px;
  border-bottom: 1px solid rgba(245, 238, 225, .14);
}

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

.page-faq .faq-status__row dt {
  font-size: 12px;
  color: var(--ob-slate);
  white-space: nowrap;
}

.page-faq .faq-status__row dd {
  margin: 0;
  font-size: 14px;
  font-weight: 600;
  text-align: right;
  color: var(--ob-paper);
}

/* ---------- 现象选择 ---------- */

.page-faq .faq-picker {
  background: var(--ob-paper);
  padding: 52px 0 10px;
}

.page-faq .faq-block-title {
  margin: 0;
  font-size: clamp(22px, 3.4vw, 32px);
  font-weight: 900;
  line-height: 1.24;
  letter-spacing: -.01em;
}

.page-faq .faq-block-lead {
  margin: 10px 0 0;
  color: var(--ob-muted);
  font-size: 15px;
  line-height: 1.7;
}

.page-faq .faq-picker__grid {
  display: grid;
  gap: 14px;
  margin-top: 24px;
}

.page-faq .faq-pick {
  display: block;
  padding: 20px 18px 18px;
  background: var(--ob-paper-2);
  border: 1px solid var(--faq-rule);
  border-top: 4px solid var(--ob-blue);
  border-radius: 4px;
  color: inherit;
  text-decoration: none;
  transition: transform .2s var(--ob-ease), box-shadow .2s var(--ob-ease), border-color .2s var(--ob-ease);
}

.page-faq .faq-pick--red { border-top-color: var(--ob-red); }
.page-faq .faq-pick--green { border-top-color: var(--ob-green); }

.page-faq .faq-pick:hover,
.page-faq .faq-pick:focus-visible {
  transform: translateY(-3px);
  box-shadow: 0 16px 32px rgba(10, 23, 48, .16);
}

.page-faq .faq-pick__tag {
  margin: 0;
  font-family: var(--ob-font-mono);
  font-size: 12px;
  letter-spacing: .06em;
  color: var(--ob-muted);
}

.page-faq .faq-pick--blue .faq-pick__tag { color: var(--ob-blue); }
.page-faq .faq-pick--red .faq-pick__tag { color: var(--ob-red); }
.page-faq .faq-pick--green .faq-pick__tag { color: var(--ob-green-deep); }

.page-faq .faq-pick__title {
  margin: 10px 0 0;
  font-size: 17px;
  font-weight: 800;
  line-height: 1.45;
}

.page-faq .faq-pick__desc {
  margin: 8px 0 0;
  font-size: 14px;
  line-height: 1.7;
  color: var(--ob-muted);
}

.page-faq .faq-pick__go {
  display: inline-block;
  margin-top: 14px;
  font-family: var(--ob-font-mono);
  font-size: 13px;
  color: var(--ob-ink);
  border-bottom: 1px solid var(--ob-gold);
}

/* ---------- 检查点主体 ---------- */

.page-faq .faq-checks {
  background: var(--ob-paper);
  padding: 58px 0 64px;
}

.page-faq .faq-checks__inner {
  display: grid;
  gap: 36px;
}

.page-faq .faq-checks__head {
  margin-bottom: 6px;
}

.page-faq .faq-checks__head .ob-section__title {
  max-width: 22em;
}

.page-faq .faq-gh {
  display: flex;
  align-items: baseline;
  gap: 10px 14px;
  flex-wrap: wrap;
  margin: 34px 0 6px;
  padding-bottom: 10px;
  border-bottom: 2px solid var(--ob-ink);
  font-size: 19px;
  font-weight: 800;
}

.page-faq .faq-gh:first-of-type {
  margin-top: 8px;
}

.page-faq .faq-gh__idx {
  font-family: var(--ob-font-mono);
  font-size: 12px;
  font-weight: 500;
  letter-spacing: .08em;
  color: var(--ob-blue);
}

.page-faq .faq-gh__title {
  font-size: 19px;
}

.page-faq .faq-gh__meta {
  margin-left: auto;
  font-family: var(--ob-font-mono);
  font-size: 12px;
  font-weight: 500;
  color: var(--ob-muted);
}

.page-faq .cp {
  display: grid;
  grid-template-columns: 20px 30px minmax(0, 1fr);
  grid-template-areas:
    "box num main"
    ". . tools";
  gap: 8px 10px;
  padding: 16px 0;
  border-bottom: 1px dashed var(--faq-rule);
}

.page-faq .cp__box {
  grid-area: box;
  width: 18px;
  height: 18px;
  margin: 5px 0 0;
  accent-color: var(--ob-green);
  cursor: pointer;
  flex: none;
}

.page-faq .cp__num {
  grid-area: num;
  display: grid;
  place-items: center;
  width: 30px;
  height: 30px;
  background: var(--ob-night);
  color: var(--ob-yellow);
  font-family: var(--ob-font-mono);
  font-size: 13px;
  font-weight: 700;
  border-radius: 3px;
  flex: none;
  transition: background .22s var(--ob-ease), color .22s var(--ob-ease);
}

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

.page-faq .cp__tools {
  grid-area: tools;
  display: flex;
  align-items: center;
  gap: 8px;
  flex-wrap: wrap;
}

.page-faq .cp__title {
  display: block;
  font-size: 16px;
  font-weight: 700;
  line-height: 1.55;
  cursor: pointer;
}

.page-faq .cp__desc {
  margin: 6px 0 0;
  font-size: 14px;
  line-height: 1.72;
  color: var(--ob-muted);
}

.page-faq .cp__state {
  font-family: var(--ob-font-mono);
  font-size: 11px;
  letter-spacing: .08em;
  padding: 3px 9px;
  border-radius: 999px;
  border: 1px solid var(--faq-rule);
  color: var(--ob-muted);
  white-space: nowrap;
  background: rgba(31, 27, 22, .03);
}

.page-faq .cp__state::before {
  content: "待检查";
}

.page-faq .cp:has(.cp__box:checked) .cp__num {
  background: var(--ob-green);
  color: #fff;
}

.page-faq .cp:has(.cp__box:checked) .cp__title {
  color: var(--ob-green-deep);
}

.page-faq .cp:has(.cp__box:checked) .cp__state {
  border-color: rgba(30, 158, 107, .5);
  background: rgba(30, 158, 107, .12);
  color: var(--ob-green-deep);
}

.page-faq .cp:has(.cp__box:checked) .cp__state::before {
  content: "已检查";
}

.page-faq .cp__copy {
  font-family: var(--ob-font-mono);
  font-size: 11px;
  letter-spacing: .04em;
}

/* ---------- 侧栏 ---------- */

.page-faq .faq-side {
  display: flex;
  flex-direction: column;
  gap: 20px;
  min-width: 0;
}

.page-faq .faq-side__panel {
  position: sticky;
  top: calc(var(--ob-header-h) + 18px);
  padding: 20px;
  border-radius: 6px;
  background: var(--ob-night);
  color: var(--ob-paper);
  border: 1px solid var(--ob-glass-line);
}

.page-faq .faq-side__coord {
  margin: 0 0 12px;
  color: var(--ob-yellow);
  font-size: 12px;
}

.page-faq .faq-track {
  display: grid;
  grid-template-columns: repeat(11, 1fr);
  gap: 4px;
  margin-bottom: 14px;
}

.page-faq .faq-track__seg {
  height: 9px;
  border-radius: 2px;
  background: rgba(245, 238, 225, .18);
  transition: background .25s var(--ob-ease);
}

.page-faq:has(#cp1:checked) .faq-track__seg:nth-child(1) { background: var(--ob-gold); }
.page-faq:has(#cp2:checked) .faq-track__seg:nth-child(2) { background: var(--ob-gold); }
.page-faq:has(#cp3:checked) .faq-track__seg:nth-child(3) { background: var(--ob-gold); }
.page-faq:has(#cp4:checked) .faq-track__seg:nth-child(4) { background: var(--ob-gold); }
.page-faq:has(#cp5:checked) .faq-track__seg:nth-child(5) { background: var(--ob-gold); }
.page-faq:has(#cp6:checked) .faq-track__seg:nth-child(6) { background: var(--ob-gold); }
.page-faq:has(#cp7:checked) .faq-track__seg:nth-child(7) { background: var(--ob-gold); }
.page-faq:has(#cp8:checked) .faq-track__seg:nth-child(8) { background: var(--ob-gold); }
.page-faq:has(#cp9:checked) .faq-track__seg:nth-child(9) { background: var(--ob-gold); }
.page-faq:has(#cp10:checked) .faq-track__seg:nth-child(10) { background: var(--ob-gold); }
.page-faq:has(#cp11:checked) .faq-track__seg:nth-child(11) { background: var(--ob-gold); }

.page-faq .faq-side__hint {
  margin: 0 0 16px;
  font-size: 13px;
  line-height: 1.7;
  color: var(--ob-slate);
}

.page-faq .faq-side__nav {
  display: grid;
  gap: 1px;
  padding-top: 14px;
  border-top: 1px solid var(--ob-glass-line);
}

.page-faq .faq-side__nav a {
  display: block;
  padding: 9px 10px;
  font-family: var(--ob-font-mono);
  font-size: 12.5px;
  color: var(--ob-paper);
  text-decoration: none;
  border-left: 2px solid transparent;
  transition: border-color .2s var(--ob-ease), background .2s var(--ob-ease);
}

.page-faq .faq-side__nav a:hover,
.page-faq .faq-side__nav a:focus-visible {
  border-left-color: var(--ob-gold);
  background: rgba(245, 238, 225, .08);
}

.page-faq .faq-side__figure {
  margin: 0;
  border: 1px solid var(--faq-rule);
  border-radius: 6px;
  overflow: hidden;
  background: var(--ob-paper-2);
}

.page-faq .faq-side__figure figcaption {
  padding: 10px 14px 12px;
  font-size: 12.5px;
  line-height: 1.6;
  color: var(--ob-muted);
  font-family: var(--ob-font-mono);
}

/* ---------- 平板兼容 ---------- */

.page-faq .faq-tablet {
  background: var(--ob-night-2);
  color: var(--ob-paper);
  padding: 58px 0 62px;
}

.page-faq .faq-tablet__head .ob-num {
  color: var(--ob-yellow);
}

.page-faq .faq-tablet__head .ob-section__title {
  color: var(--ob-paper);
}

.page-faq .faq-tablet__head .ob-section__sub {
  color: var(--ob-slate);
  max-width: 40em;
}

.page-faq .faq-tablet__grid {
  display: grid;
  gap: 28px;
  margin-top: 30px;
}

.page-faq .faq-tablet__paths {
  display: grid;
  gap: 14px;
  min-width: 0;
}

.page-faq .faq-path {
  padding: 20px 18px;
  border: 1px solid var(--ob-glass-line);
  border-left: 4px solid var(--ob-blue);
  border-radius: 6px;
  background: var(--ob-glass);
}

.page-faq .faq-path:last-of-type {
  border-left-color: var(--ob-gold);
}

.page-faq .faq-path__mark {
  margin: 0;
  font-family: var(--ob-font-mono);
  font-size: 12px;
  letter-spacing: .08em;
  color: var(--ob-blue);
}

.page-faq .faq-path__mark--b {
  color: var(--ob-gold);
}

.page-faq .faq-path__title {
  margin: 8px 0 0;
  font-size: 19px;
  font-weight: 800;
}

.page-faq .faq-path__text {
  margin: 8px 0 0;
  font-size: 14.5px;
  line-height: 1.78;
  color: rgba(245, 238, 225, .82);
}

.page-faq .faq-tablet__note {
  margin-top: 6px;
  padding: 18px;
  border: 1px dashed var(--faq-rule-night);
  border-radius: 6px;
}

.page-faq .faq-tablet__note-title {
  margin: 0 0 10px;
  font-family: var(--ob-font-mono);
  font-size: 12.5px;
  letter-spacing: .06em;
  color: var(--ob-yellow);
}

.page-faq .faq-tablet__list {
  margin: 0;
  padding-left: 18px;
  display: grid;
  gap: 8px;
  font-size: 14px;
  line-height: 1.72;
  color: rgba(245, 238, 225, .8);
}

.page-faq .faq-tablet__list li::marker {
  color: var(--ob-green);
}

.page-faq .faq-tablet__figure {
  margin: 0;
  border-radius: 6px;
  overflow: hidden;
  border: 1px solid var(--ob-glass-line);
}

.page-faq .faq-tablet__figure figcaption {
  padding: 10px 14px 12px;
  font-size: 12.5px;
  line-height: 1.6;
  color: var(--ob-slate);
  font-family: var(--ob-font-mono);
  background: rgba(10, 23, 48, .6);
}

/* ---------- 全宽金色带 ---------- */

.page-faq .faq-band {
  background: var(--ob-gold);
  color: var(--ob-ink);
  padding: 46px 0;
  border-top: 3px solid var(--ob-ink);
  border-bottom: 3px solid var(--ob-ink);
}

.page-faq .faq-band__inner {
  display: grid;
  gap: 26px;
}

.page-faq .faq-band__title {
  margin: 0;
  font-size: clamp(22px, 3.6vw, 34px);
  font-weight: 900;
  line-height: 1.24;
  letter-spacing: -.01em;
}

.page-faq .faq-band__lead {
  margin: 10px 0 0;
  font-size: 15px;
  line-height: 1.7;
  color: rgba(31, 27, 22, .78);
}

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

.page-faq .faq-band__steps li {
  display: grid;
  grid-template-columns: 34px minmax(0, 1fr);
  gap: 10px;
  align-items: baseline;
  font-size: 15px;
  line-height: 1.68;
  padding-bottom: 10px;
  border-bottom: 1px dashed rgba(31, 27, 22, .26);
}

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

.page-faq .faq-band__steps .faq-mono {
  font-size: 14px;
  font-weight: 700;
  color: rgba(31, 27, 22, .68);
}

.page-faq .faq-band__action {
  display: flex;
  flex-direction: column;
  align-items: flex-start;
  gap: 12px;
}

.page-faq .faq-band__hint {
  margin: 0;
  font-size: 13px;
  line-height: 1.6;
  color: rgba(31, 27, 22, .72);
}

/* ---------- 常见疑问 ---------- */

.page-faq .faq-quick {
  background: var(--ob-paper);
  padding: 58px 0 62px;
}

.page-faq .faq-quick__list {
  margin-top: 26px;
  border-top: 1px solid var(--faq-rule);
}

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

.page-faq .faq-q summary {
  position: relative;
  padding: 17px 40px 17px 0;
  font-size: 16px;
  font-weight: 700;
  line-height: 1.6;
  cursor: pointer;
  list-style: none;
}

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

.page-faq .faq-q summary::after {
  content: "+";
  position: absolute;
  right: 4px;
  top: 15px;
  font-family: var(--ob-font-mono);
  font-size: 19px;
  font-weight: 400;
  color: var(--ob-blue);
  transition: color .2s var(--ob-ease);
}

.page-faq .faq-q[open] summary::after {
  content: "–";
  color: var(--ob-green-deep);
}

.page-faq .faq-q[open] summary {
  color: var(--ob-green-deep);
}

.page-faq .faq-q__a {
  padding: 0 40px 18px 0;
}

.page-faq .faq-q__a p {
  margin: 0;
  font-size: 14.5px;
  line-height: 1.8;
  color: var(--ob-muted);
}

/* ---------- 下一步 ---------- */

.page-faq .faq-next {
  background: var(--ob-night);
  color: var(--ob-paper);
  padding: 58px 0 68px;
}

.page-faq .faq-next__head .ob-num {
  color: var(--ob-yellow);
}

.page-faq .faq-next__head .ob-section__title {
  color: var(--ob-paper);
}

.page-faq .faq-next__head .ob-section__sub {
  color: var(--ob-slate);
}

.page-faq .faq-next__grid {
  display: grid;
  gap: 14px;
  margin-top: 28px;
}

.page-faq .faq-route {
  display: block;
  padding: 22px 20px;
  border: 1px solid var(--ob-glass-line);
  border-radius: 6px;
  background: var(--ob-glass);
  color: inherit;
  text-decoration: none;
  transition: transform .2s var(--ob-ease), border-color .2s var(--ob-ease), background .2s var(--ob-ease);
}

.page-faq .faq-route:hover,
.page-faq .faq-route:focus-visible {
  transform: translateY(-3px);
  border-color: var(--ob-gold);
  background: rgba(245, 238, 225, .18);
}

.page-faq .faq-route__idx {
  margin: 0;
  font-family: var(--ob-font-mono);
  font-size: 12px;
  letter-spacing: .08em;
  color: var(--ob-yellow);
}

.page-faq .faq-route__title {
  margin: 10px 0 0;
  font-size: 18px;
  font-weight: 800;
  line-height: 1.4;
  color: var(--ob-paper);
}

.page-faq .faq-route__text {
  margin: 9px 0 0;
  font-size: 14px;
  line-height: 1.76;
  color: rgba(245, 238, 225, .78);
}

.page-faq .faq-route__go {
  display: inline-block;
  margin-top: 14px;
  font-family: var(--ob-font-mono);
  font-size: 13px;
  color: var(--ob-gold);
  border-bottom: 1px solid rgba(242, 169, 59, .5);
}

/* ---------- 响应式 ---------- */

@media (min-width: 640px) {
  .page-faq .cp {
    grid-template-columns: 20px 30px minmax(0, 1fr) auto;
    grid-template-areas: "box num main tools";
    align-items: start;
  }

  .page-faq .cp__tools {
    margin-left: 6px;
  }

  .page-faq .faq-track__seg {
    height: 10px;
  }
}

@media (min-width: 760px) {
  .page-faq .faq-picker__grid {
    grid-template-columns: repeat(3, minmax(0, 1fr));
  }

  .page-faq .faq-band__inner {
    grid-template-columns: minmax(0, 1fr) auto;
    align-items: center;
  }

  .page-faq .faq-band__action {
    align-items: flex-end;
    text-align: right;
    max-width: 15em;
  }

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

@media (min-width: 900px) {
  .page-faq .faq-hero {
    padding: calc(var(--ob-header-h) + 64px) 0 68px;
  }

  .page-faq .faq-hero__inner {
    grid-template-columns: minmax(0, 1.4fr) minmax(270px, .85fr);
    align-items: start;
    gap: 44px;
  }

  .page-faq .faq-tablet__grid {
    grid-template-columns: minmax(0, 1.05fr) minmax(0, .95fr);
    align-items: start;
    gap: 36px;
  }
}

@media (min-width: 1020px) {
  .page-faq .faq-checks__inner {
    grid-template-columns: minmax(0, 1fr) 312px;
    gap: 52px;
    align-items: start;
  }
}

@media (prefers-reduced-motion: reduce) {
  .page-faq *,
  .page-faq *::before,
  .page-faq *::after {
    transition-duration: .01ms !important;
    animation-duration: .01ms !important;
  }

  .page-faq .faq-pick:hover,
  .page-faq .faq-route:hover {
    transform: none;
  }
}
<<<END>>>