.page-faq {
  --faq-hair: var(--paper-2);
  background: var(--paper);
  color: var(--ink);
}

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

/* ---------- 首屏 ---------- */
.page-faq .faq-hero {
  position: relative;
  overflow: hidden;
  padding: 56px 0 52px;
  color: var(--paper);
  background-color: var(--ink);
  background-image:
    repeating-linear-gradient(90deg, rgba(42, 58, 85, 0.55) 0 1px, transparent 1px 88px),
    repeating-linear-gradient(0deg, rgba(42, 58, 85, 0.55) 0 1px, transparent 1px 88px);
}

.page-faq .faq-hero::after {
  content: "";
  position: absolute;
  top: -140px;
  right: -140px;
  width: 420px;
  height: 420px;
  border: 1px solid var(--line);
  border-radius: 50%;
  pointer-events: none;
}

.page-faq .faq-hero__crumb {
  position: relative;
  z-index: 1;
  display: flex;
  align-items: center;
  gap: 8px;
  font-family: var(--mono);
  font-size: 11px;
  letter-spacing: 0.12em;
  text-transform: uppercase;
  color: var(--cyan);
}

.page-faq .faq-hero__crumb a {
  color: var(--cyan);
  text-decoration: none;
}

.page-faq .faq-hero__crumb .breadcrumb__sep {
  opacity: 0.45;
}

.page-faq .faq-hero__crumb .breadcrumb__current {
  color: rgba(244, 240, 232, 0.6);
}

.page-faq .faq-hero__label {
  position: relative;
  z-index: 1;
  margin: 36px 0 0;
  color: var(--cyan);
}

.page-faq .faq-hero__title {
  position: relative;
  z-index: 1;
  margin: 16px 0 0;
  max-width: 18ch;
  font-size: clamp(30px, 6vw, 68px);
  font-weight: 800;
  line-height: 1.08;
  letter-spacing: -0.01em;
}

.page-faq .faq-hero__lede {
  position: relative;
  z-index: 1;
  margin: 22px 0 0;
  max-width: 56ch;
  font-size: 15px;
  line-height: 1.85;
  color: rgba(244, 240, 232, 0.78);
}

.page-faq .faq-hero__jump {
  position: relative;
  z-index: 1;
  display: flex;
  flex-wrap: wrap;
  gap: 10px;
  margin: 30px 0 0;
  padding: 0;
  list-style: none;
}

.page-faq .faq-hero__jump a {
  display: inline-block;
  padding: 7px 14px;
  border: 1px solid var(--line);
  color: rgba(244, 240, 232, 0.85);
  font-size: 13px;
  line-height: 1.4;
  text-decoration: none;
  transition: color 0.2s ease, border-color 0.2s ease;
}

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

.page-faq .faq-hero__stats {
  position: relative;
  z-index: 1;
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(120px, 1fr));
  gap: 18px;
  margin: 40px 0 0;
  padding: 22px 0 0;
  border-top: 1px solid var(--line);
}

.page-faq .faq-hero__stats dt {
  font-size: 11px;
  letter-spacing: 0.12em;
  color: rgba(244, 240, 232, 0.5);
}

.page-faq .faq-hero__stats dd {
  margin: 6px 0 0;
  font-family: var(--mono);
  font-size: clamp(15px, 2.2vw, 21px);
  letter-spacing: 0.02em;
  color: var(--cyan);
}

/* ---------- 主体 ---------- */
.page-faq .faq-body {
  padding: 52px 0 80px;
  background: var(--paper);
}

.page-faq .faq-grid {
  display: grid;
  grid-template-columns: minmax(0, 1fr);
  gap: 40px;
}

.page-faq .faq-toc__inner {
  padding-top: 14px;
  border-top: 2px solid var(--ink);
}

.page-faq .faq-toc__title {
  margin: 0;
  color: var(--orange-deep);
}

.page-faq .faq-toc__list {
  list-style: none;
  margin: 14px 0 0;
  padding: 0;
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: 0 16px;
}

.page-faq .faq-toc__list a {
  display: flex;
  gap: 8px;
  padding: 9px 0;
  border-bottom: 1px solid var(--faq-hair);
  color: var(--ink);
  font-size: 13px;
  line-height: 1.45;
  text-decoration: none;
}

.page-faq .faq-toc__list .num {
  padding-top: 3px;
  font-size: 10px;
  color: var(--orange-deep);
}

.page-faq .faq-toc__list a:hover,
.page-faq .faq-toc__list a:focus-visible {
  color: var(--orange-deep);
}

.page-faq .faq-toc__note {
  margin: 18px 0 0;
  font-size: 13px;
  line-height: 1.7;
  color: rgba(6, 11, 26, 0.6);
}

.page-faq .faq-toc__note a {
  color: var(--orange-deep);
  text-decoration: none;
  border-bottom: 1px solid var(--orange-deep);
}

/* ---------- 问答条目 ---------- */
.page-faq .qa {
  padding: 34px 0;
  border-top: 1px solid var(--faq-hair);
  scroll-margin-top: calc(var(--bar-h) + 20px);
}

.page-faq .qa__idx {
  margin: 0;
  font-family: var(--mono);
  font-size: 11px;
  letter-spacing: 0.12em;
  color: var(--orange-deep);
}

.page-faq .qa__title {
  margin: 10px 0 0;
  font-size: clamp(21px, 3vw, 29px);
  font-weight: 800;
  line-height: 1.22;
  letter-spacing: -0.01em;
}

.page-faq .qa__verdict {
  margin: 16px 0 0;
  padding-left: 14px;
  border-left: 3px solid var(--orange);
  font-size: 15px;
  font-weight: 600;
  line-height: 1.72;
}

.page-faq .qa__copy p {
  margin: 16px 0 0;
  max-width: 58ch;
  font-size: 15px;
  line-height: 1.85;
}

.page-faq .qa h3 {
  margin: 22px 0 0;
  font-size: 15px;
  font-weight: 800;
  line-height: 1.5;
}

.page-faq .qa__copy h3 {
  color: var(--ink);
}

.page-faq .faq-link {
  color: var(--orange-deep);
  text-decoration: none;
  border-bottom: 1px solid var(--orange-deep);
  padding-bottom: 1px;
}

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

/* ---------- 深色排查卡 ---------- */
.page-faq .qa--dark {
  padding: 26px 20px 30px;
  border-top: none;
  border-left: 3px solid var(--orange);
  background: var(--ink);
  color: var(--paper);
}

.page-faq .qa--dark .qa__idx {
  color: var(--cyan);
}

.page-faq .qa--dark .qa__title {
  color: var(--paper);
}

.page-faq .qa--dark .qa__verdict {
  border-left-color: var(--cyan);
  color: rgba(244, 240, 232, 0.92);
}

.page-faq .qa--dark h3 {
  color: var(--paper);
}

.page-faq .qa--dark .steps > li > p {
  color: rgba(244, 240, 232, 0.76);
}

.page-faq .qa__visual {
  margin: 26px 0 0;
  border: 1px solid var(--line);
  background: var(--deep);
}

/* ---------- 步骤引导线 ---------- */
.page-faq .steps {
  counter-reset: step;
  list-style: none;
  margin: 20px 0 0;
  padding: 0;
}

.page-faq .steps > li {
  counter-increment: step;
  position: relative;
  padding: 0 0 20px 44px;
}

.page-faq .steps > li::before {
  content: counter(step, decimal-leading-zero);
  position: absolute;
  left: 0;
  top: 1px;
  width: 26px;
  text-align: right;
  font-family: var(--mono);
  font-size: 12px;
  letter-spacing: 0.02em;
  color: var(--orange-deep);
}

.page-faq .steps > li::after {
  content: "";
  position: absolute;
  left: 34px;
  top: 22px;
  bottom: 0;
  width: 1px;
  background: var(--faq-hair);
}

.page-faq .steps > li:last-child {
  padding-bottom: 0;
}

.page-faq .steps > li:last-child::after {
  display: none;
}

.page-faq .steps--dark > li::before {
  color: var(--cyan);
}

.page-faq .steps--dark > li::after {
  background: var(--line);
}

.page-faq .steps > li > h3 {
  margin: 0;
  font-size: 15px;
  font-weight: 800;
  line-height: 1.5;
}

.page-faq .steps > li > p {
  margin: 7px 0 0;
  font-size: 14px;
  line-height: 1.8;
  color: rgba(6, 11, 26, 0.78);
}

/* ---------- 登录图文分栏 ---------- */
.page-faq .qa__split {
  display: grid;
  grid-template-columns: minmax(0, 1fr);
  gap: 24px;
  margin-top: 6px;
}

.page-faq .qa__figure {
  margin: 0;
  padding: 10px;
  border: 1px solid var(--faq-hair);
  background: var(--paper-2);
}

/* ---------- 行动入口 ---------- */
.page-faq .qa__action {
  display: inline-block;
  margin-top: 22px;
  padding: 12px 22px;
  border: 1px solid var(--orange);
  background: var(--orange);
  color: var(--ink);
  font-size: 14px;
  font-weight: 700;
  line-height: 1.4;
  text-decoration: none;
  transition: background 0.2s ease, color 0.2s ease;
}

.page-faq .qa__action:hover,
.page-faq .qa__action:focus-visible {
  background: transparent;
  color: var(--orange-deep);
}

/* ---------- 响应式 ---------- */
@media (max-width: 559px) {
  .page-faq .faq-hero {
    padding: 44px 0 40px;
  }

  .page-faq .faq-hero::after {
    display: none;
  }

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

  .page-faq .qa--dark {
    padding: 22px 16px 26px;
  }
}

@media (min-width: 720px) {
  .page-faq .qa__split {
    grid-template-columns: minmax(0, 1fr) 236px;
    gap: 30px;
    align-items: start;
  }

  .page-faq .qa--dark {
    padding: 32px 30px 36px;
  }
}

@media (min-width: 960px) {
  .page-faq .faq-hero {
    padding: 76px 0 64px;
  }

  .page-faq .faq-body {
    padding: 84px 0 116px;
  }

  .page-faq .faq-grid {
    grid-template-columns: 3fr 8fr;
    gap: 60px;
    align-items: start;
  }

  .page-faq .faq-toc__inner {
    position: sticky;
    top: calc(var(--bar-h) + 28px);
  }

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

  .page-faq .qa {
    padding: 44px 0;
  }

  .page-faq .qa__copy p {
    font-size: 16px;
  }
}