.page-faq {
  --faq-surface: #0A1730;
  --faq-line-soft: #132543;
  color: var(--text);
  font-family: var(--font-sans);
}

.page-faq .crumbs {
  margin: clamp(18px, 3vw, 28px) 0 clamp(20px, 3.5vw, 34px);
  font-family: var(--font-mono);
  font-size: 12px;
  letter-spacing: 0.08em;
  color: var(--muted);
}

.page-faq .crumbs a {
  color: var(--muted);
  text-decoration: none;
  border-bottom: 1px solid transparent;
  transition: color var(--ease), border-color var(--ease);
}

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

.page-faq .crumbs__sep {
  margin: 0 8px;
  color: var(--line);
}

/* 首屏 */
.page-faq .faq-hero {
  padding-bottom: clamp(4px, 1vw, 8px);
}

.page-faq .faq-hero__kicker {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  margin: 0 0 14px;
  font-family: var(--font-mono);
  font-size: 12px;
  letter-spacing: 0.22em;
  text-transform: uppercase;
  color: var(--lime);
}

.page-faq .faq-hero__kicker::before {
  content: "";
  width: 8px;
  height: 8px;
  background: var(--orange);
  transform: skewX(-12deg);
}

.page-faq .faq-hero__title {
  margin: 0;
  max-width: 20ch;
  font-size: clamp(30px, 6.4vw, 66px);
  font-weight: 900;
  line-height: 1.06;
  letter-spacing: -0.02em;
  transform: skewX(var(--skew));
  transform-origin: left center;
  text-wrap: balance;
}

.page-faq .faq-hero__lead {
  margin: clamp(16px, 2.6vw, 26px) 0 0;
  max-width: 58ch;
  font-size: 17px;
  line-height: 1.85;
  color: var(--muted);
}

.page-faq .faq-hero__facts {
  display: flex;
  flex-wrap: wrap;
  gap: clamp(14px, 3vw, 34px);
  margin: clamp(20px, 3vw, 32px) 0 0;
  padding: clamp(14px, 2vw, 18px) 0 0;
  list-style: none;
  border-top: 1px solid var(--line);
}

.page-faq .faq-hero__facts li {
  display: flex;
  align-items: baseline;
  gap: 6px;
  font-size: 13px;
  line-height: 1.6;
  color: var(--muted);
}

.page-faq .faq-hero__num {
  font-family: var(--font-mono);
  font-size: 22px;
  font-weight: 700;
  letter-spacing: -0.02em;
  color: var(--lime);
}

/* 排查路径图 */
.page-faq .faq-map {
  margin: clamp(24px, 4vw, 44px) 0 0;
}

.page-faq .faq-map__frame {
  position: relative;
  aspect-ratio: 4 / 3;
  overflow: hidden;
  border: 1px solid var(--line);
  background:
    repeating-linear-gradient(90deg, transparent 0 39px, rgba(22, 41, 74, 0.5) 39px 40px),
    repeating-linear-gradient(0deg, transparent 0 39px, rgba(22, 41, 74, 0.5) 39px 40px),
    var(--ink-800);
}

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

.page-faq .faq-map__cap {
  display: flex;
  align-items: baseline;
  gap: 10px;
  margin: 10px 0 0;
  font-size: 13px;
  line-height: 1.7;
  color: var(--muted);
}

.page-faq .faq-map__k {
  flex: none;
  padding: 2px 8px;
  border: 1px solid var(--line);
  font-family: var(--font-mono);
  font-size: 11px;
  letter-spacing: 0.18em;
  color: var(--orange);
}

/* 场景卡阶梯 */
.page-faq .scenes {
  display: grid;
  gap: 10px;
  margin-top: clamp(22px, 3.6vw, 40px);
  scroll-margin-top: 90px;
}

.page-faq .scene {
  display: flex;
  flex-direction: column;
  gap: 6px;
  padding: 16px 16px 18px;
  border: 1px solid var(--line);
  background: linear-gradient(160deg, #0E1D38, var(--ink-700));
  color: var(--text);
  text-decoration: none;
  transition: border-color var(--ease), transform var(--ease), box-shadow var(--ease);
}

.page-faq .scene:hover,
.page-faq .scene:focus-visible {
  border-color: var(--orange);
  transform: translateY(-4px);
  box-shadow: 0 14px 28px rgba(4, 10, 24, 0.55);
  outline: none;
}

.page-faq .scene__no {
  font-family: var(--font-mono);
  font-size: 12px;
  letter-spacing: 0.14em;
  color: var(--signal);
}

.page-faq .scene__title {
  font-size: 19px;
  font-weight: 800;
  line-height: 1.3;
  letter-spacing: -0.01em;
}

.page-faq .scene__desc {
  margin-top: auto;
  font-size: 13px;
  line-height: 1.75;
  color: var(--muted);
}

/* 主体两栏 */
.page-faq .faq-flow {
  margin-top: clamp(32px, 6vw, 72px);
  display: grid;
  gap: clamp(28px, 5vw, 44px);
  padding-bottom: clamp(24px, 4vw, 48px);
}

/* 章节 */
.page-faq .faq-block {
  scroll-margin-top: 92px;
}

.page-faq .faq-block + .faq-block {
  margin-top: clamp(36px, 6vw, 68px);
}

.page-faq .faq-block__head {
  position: relative;
  display: flex;
  flex-wrap: wrap;
  align-items: baseline;
  gap: 6px 14px;
  padding-bottom: 14px;
  border-bottom: 1px solid var(--line);
}

.page-faq .faq-block__head::after {
  content: "";
  position: absolute;
  left: 0;
  bottom: -1px;
  width: 72px;
  height: 2px;
  background: linear-gradient(90deg, var(--orange), transparent);
}

.page-faq .faq-block__tag {
  font-family: var(--font-mono);
  font-size: 12px;
  letter-spacing: 0.2em;
  color: var(--signal);
}

.page-faq .faq-block__title {
  margin: 0;
  font-size: clamp(21px, 3vw, 30px);
  font-weight: 800;
  line-height: 1.25;
  letter-spacing: -0.01em;
}

/* 问答横条 */
.page-faq .q-list {
  border-bottom: 1px solid var(--line);
}

.page-faq .q {
  border-top: 1px solid var(--line);
  transition: box-shadow var(--ease);
}

.page-faq .q:first-child {
  border-top: none;
}

.page-faq .q[open] {
  box-shadow: inset 1px 0 0 0 var(--signal);
}

.page-faq .q__head {
  display: flex;
  align-items: flex-start;
  gap: 12px;
  padding: 15px 10px 15px 12px;
  cursor: pointer;
  list-style: none;
  transition: background var(--ease);
}

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

.page-faq .q__head::marker {
  content: "";
}

.page-faq .q__head:hover {
  background: var(--glass);
}

.page-faq .q__no {
  flex: none;
  font-family: var(--font-mono);
  font-size: 13px;
  line-height: 1.6;
  letter-spacing: 0.06em;
  color: var(--muted);
  transition: color var(--ease);
}

.page-faq .q__title {
  flex: 1;
  min-width: 0;
  font-size: 16px;
  font-weight: 700;
  line-height: 1.6;
  transition: color var(--ease);
}

.page-faq .q__mark {
  flex: none;
  width: 9px;
  height: 9px;
  margin-top: 9px;
  border-right: 1px solid var(--muted);
  border-bottom: 1px solid var(--muted);
  transform: rotate(45deg);
  transition: transform var(--ease), border-color var(--ease);
}

.page-faq .q[open] .q__mark {
  transform: rotate(225deg);
  border-color: var(--orange);
}

.page-faq .q[open] .q__title {
  color: var(--orange);
}

.page-faq .q[open] .q__no {
  color: var(--lime);
}

.page-faq .q__body {
  max-width: 62ch;
  padding: 0 12px 18px 40px;
  font-size: 15px;
  line-height: 1.85;
  color: var(--muted);
}

.page-faq .q__body p {
  margin: 0;
}

.page-faq .q__body a {
  color: var(--text);
  text-decoration: underline;
  text-decoration-thickness: 1px;
  text-underline-offset: 3px;
  text-decoration-color: var(--line);
  transition: color var(--ease), text-decoration-color var(--ease);
}

.page-faq .q__body a:hover {
  color: var(--orange);
  text-decoration-color: var(--orange);
}

/* 订阅章节配图 */
.page-faq .faq-signal {
  margin: clamp(16px, 2.6vw, 24px) 0 0;
}

.page-faq .faq-signal__frame {
  position: relative;
  aspect-ratio: 16 / 9;
  overflow: hidden;
  border: 1px solid var(--line);
  background: var(--ink-800);
}

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

.page-faq .faq-signal__cap {
  display: flex;
  align-items: baseline;
  gap: 10px;
  margin: 10px 0 0;
  font-size: 13px;
  line-height: 1.7;
  color: var(--muted);
}

.page-faq .faq-signal__k {
  flex: none;
  padding: 2px 8px;
  border: 1px solid var(--line);
  font-family: var(--font-mono);
  font-size: 11px;
  letter-spacing: 0.18em;
  color: var(--lime);
}

.page-faq .faq-signal + .q-list {
  margin-top: clamp(18px, 3vw, 26px);
}

/* 转咨询 */
.page-faq .faq-support {
  display: grid;
  gap: clamp(16px, 3vw, 24px);
  margin-top: clamp(18px, 3vw, 26px);
  padding: clamp(20px, 3.4vw, 32px);
  border: 1px solid var(--line);
  background:
    radial-gradient(120% 140% at 0% 0%, rgba(255, 106, 26, 0.12), transparent 55%),
    linear-gradient(180deg, var(--faq-surface), var(--ink-800));
}

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

.page-faq .faq-support__list li {
  position: relative;
  padding-left: 18px;
  font-size: 15px;
  line-height: 1.8;
  color: var(--muted);
}

.page-faq .faq-support__list li::before {
  content: "";
  position: absolute;
  left: 0;
  top: 10px;
  width: 6px;
  height: 6px;
  background: var(--lime);
  transform: skewX(-12deg);
}

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

.page-faq .faq-support__fine {
  margin: 0;
  font-size: 13px;
  line-height: 1.7;
  color: var(--muted);
}

.page-faq .faq-support__fine a {
  color: var(--text);
  text-decoration: underline;
  text-decoration-color: var(--line);
  text-underline-offset: 3px;
  transition: color var(--ease), text-decoration-color var(--ease);
}

.page-faq .faq-support__fine a:hover {
  color: var(--orange);
  text-decoration-color: var(--orange);
}

/* 右侧排查路径索引 */
.page-faq .faq-rail {
  border-top: 1px solid var(--line);
  padding-top: 14px;
}

.page-faq .faq-rail__title {
  margin: 0 0 12px;
  font-family: var(--font-mono);
  font-size: 11px;
  letter-spacing: 0.22em;
  text-transform: uppercase;
  color: var(--muted);
}

.page-faq .faq-rail__list {
  list-style: none;
  margin: 0;
  padding: 0;
  display: grid;
  gap: 2px;
}

.page-faq .faq-rail__list a {
  display: flex;
  align-items: baseline;
  gap: 10px;
  padding: 7px 0 7px 10px;
  border-left: 1px solid var(--faq-line-soft);
  font-size: 13px;
  line-height: 1.5;
  color: var(--muted);
  text-decoration: none;
  transition: color var(--ease), border-color var(--ease), background var(--ease);
}

.page-faq .faq-rail__list span {
  font-family: var(--font-mono);
  font-size: 11px;
  letter-spacing: 0.1em;
  color: var(--signal);
}

.page-faq .faq-rail__list a:hover,
.page-faq .faq-rail__list a:focus-visible {
  color: var(--text);
  border-left-color: var(--orange);
  background: var(--glass);
  outline: none;
}

.page-faq .faq-rail__note {
  margin: 14px 0 0;
  font-size: 12px;
  line-height: 1.7;
  color: var(--muted);
}

/* 平板与桌面 */
@media (min-width: 720px) {
  .page-faq .faq-map__frame {
    aspect-ratio: 16 / 7;
  }

  .page-faq .scenes {
    grid-template-columns: repeat(4, minmax(0, 1fr));
    gap: 12px;
  }

  .page-faq .scene {
    min-height: 152px;
  }

  .page-faq .scene:nth-child(2) {
    margin-top: 18px;
    min-height: 176px;
  }

  .page-faq .scene:nth-child(3) {
    margin-top: 36px;
    min-height: 200px;
  }

  .page-faq .scene:nth-child(4) {
    margin-top: 54px;
    min-height: 224px;
  }

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

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

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

@media (min-width: 1024px) {
  .page-faq .faq-flow {
    grid-template-columns: minmax(0, 1fr) 196px;
    align-items: start;
  }

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

  .page-faq .q__title {
    font-size: 17px;
  }

  .page-faq .q__body {
    font-size: 16px;
  }
}
<<<PAGE_CSS_END>>>