.page-faq {
  --faq-body: #C4D6E4;
  --faq-body-dim: #9FB6C7;
  --faq-cell: rgba(28, 58, 82, 0.55);
  background: var(--ink);
  color: var(--paper);
}

.page-faq .faq-unit {
  font-size: 0.42em;
  margin-left: 4px;
  letter-spacing: 0.08em;
  color: var(--cyan);
  font-weight: 700;
}

/* ---------- 首屏 ---------- */
.page-faq .faq-hero {
  position: relative;
  overflow: hidden;
  padding: calc(var(--header-h) + 40px) 0 34px;
  border-bottom: 2px solid var(--line);
  background:
    radial-gradient(120% 80% at 12% 0%, rgba(61, 245, 208, 0.12), transparent 62%),
    radial-gradient(90% 70% at 100% 100%, rgba(255, 122, 26, 0.09), transparent 66%),
    var(--ink);
}

.page-faq .faq-hero::before {
  content: "";
  position: absolute;
  inset: 0;
  pointer-events: none;
  background-image:
    linear-gradient(to right, var(--faq-cell) 1px, transparent 1px),
    linear-gradient(to bottom, var(--faq-cell) 1px, transparent 1px);
  background-size: 64px 64px;
  -webkit-mask-image: linear-gradient(to bottom, rgba(0, 0, 0, 0.75), transparent 88%);
  mask-image: linear-gradient(to bottom, rgba(0, 0, 0, 0.75), transparent 88%);
}

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

.page-faq .breadcrumb {
  margin-bottom: 22px;
}

.page-faq .faq-hero h1 {
  margin: 12px 0 18px;
  max-width: 20ch;
  font-size: clamp(30px, 6.4vw, 56px);
  line-height: 1.06;
  letter-spacing: -0.015em;
  font-weight: 900;
  color: var(--paper);
}

.page-faq .faq-hero .lede {
  max-width: 62ch;
  color: var(--faq-body);
}

/* ---------- 分段标签 ---------- */
.page-faq .faq-tabs {
  display: flex;
  gap: 8px;
  margin-top: 26px;
  padding-bottom: 8px;
  overflow-x: auto;
  scroll-snap-type: x mandatory;
  -webkit-overflow-scrolling: touch;
}

.page-faq .faq-tab {
  flex: 0 0 auto;
  scroll-snap-align: start;
  display: inline-flex;
  align-items: center;
  gap: 9px;
  min-height: 44px;
  padding: 10px 15px;
  border: 2px solid var(--line);
  background: var(--panel);
  color: var(--paper);
  font-family: var(--font-mono);
  font-size: 11.5px;
  letter-spacing: 0.1em;
  text-decoration: none;
  white-space: nowrap;
  transition: background 160ms ease, color 160ms ease, border-color 160ms ease, transform 160ms ease;
}

.page-faq .faq-tab__num {
  color: var(--cyan);
  font-weight: 700;
}

.page-faq .faq-tab:hover,
.page-faq .faq-tab:focus-visible {
  background: var(--cyan);
  border-color: var(--cyan);
  color: var(--ink);
  transform: translateY(-2px);
}

.page-faq .faq-tab:hover .faq-tab__num,
.page-faq .faq-tab:focus-visible .faq-tab__num {
  color: var(--ink);
}

/* ---------- 数据带 ---------- */
.page-faq .faq-statband {
  padding: 22px 0;
  background: var(--ink-deep);
  border-bottom: 2px solid var(--line);
}

.page-faq .faq-statband__grid {
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: 18px 14px;
}

.page-faq .faq-statband .stat {
  min-width: 0;
}

.page-faq .faq-statband .stat-label {
  display: block;
  margin-top: 4px;
  color: var(--mist);
  font-family: var(--font-mono);
  font-size: 10.5px;
  letter-spacing: 0.14em;
  text-transform: uppercase;
  line-height: 1.5;
}

/* ---------- 排查路径 ---------- */
.page-faq .faq-visual {
  border-bottom: 2px solid var(--line);
}

.page-faq .faq-visual .section-head {
  display: flex;
  flex-wrap: wrap;
  gap: 12px 28px;
  align-items: flex-end;
  justify-content: space-between;
  margin-bottom: 26px;
}

.page-faq .faq-visual__note {
  max-width: 34ch;
  margin: 0;
  color: var(--faq-body-dim);
  font-size: 14.5px;
  line-height: 1.7;
}

.page-faq .media-frame {
  border: 2px solid var(--line);
  box-shadow: var(--shadow-hard);
  background: var(--panel);
  overflow: hidden;
}

.page-faq .media-frame__caption {
  color: var(--faq-body-dim);
}

/* ---------- 主体两栏 ---------- */
.page-faq .faq-desk {
  padding-bottom: 0;
}

.page-faq .faq-layout {
  display: grid;
  gap: 34px;
}

.page-faq .faq-index {
  border: 2px solid var(--line);
  background: var(--panel);
  box-shadow: var(--shadow-pop);
  padding: 18px 16px;
}

.page-faq .faq-index__label {
  margin: 0 0 12px;
  color: var(--cyan);
  font-family: var(--font-mono);
  font-size: 11px;
  letter-spacing: 0.16em;
  text-transform: uppercase;
}

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

.page-faq .faq-index__link {
  display: flex;
  align-items: center;
  gap: 10px;
  min-height: 44px;
  padding: 8px 6px;
  color: var(--paper);
  font-size: 14.5px;
  text-decoration: none;
  border-bottom: 1px solid rgba(28, 58, 82, 0.8);
  transition: color 150ms ease, padding-left 150ms ease;
}

.page-faq .faq-index__link:hover,
.page-faq .faq-index__link:focus-visible {
  color: var(--cyan);
  padding-left: 12px;
}

.page-faq .faq-index__num {
  font-family: var(--font-mono);
  font-size: 11px;
  letter-spacing: 0.1em;
  color: var(--cyan);
  flex: 0 0 auto;
}

.page-faq .faq-index__note {
  margin: 14px 0 0;
  padding-top: 12px;
  border-top: 2px solid var(--line);
  color: var(--faq-body-dim);
  font-size: 13px;
  line-height: 1.7;
}

/* ---------- 问题组 ---------- */
.page-faq .faq-main {
  min-width: 0;
}

.page-faq .faq-group {
  padding-bottom: 34px;
  margin-bottom: 34px;
  border-bottom: 2px solid var(--line);
  scroll-margin-top: calc(var(--header-h) + 24px);
}

.page-faq .faq-group:last-of-type {
  border-bottom: 0;
  margin-bottom: 0;
}

.page-faq .faq-group__head {
  margin-bottom: 20px;
}

.page-faq .faq-group__num {
  margin: 0 0 6px;
  font-family: var(--font-mono);
  font-size: 12px;
  letter-spacing: 0.22em;
  color: var(--orange);
}

.page-faq .faq-group__head .section-title {
  margin: 0 0 10px;
  font-size: clamp(24px, 4.4vw, 34px);
  line-height: 1.16;
  letter-spacing: -0.01em;
  color: var(--paper);
}

.page-faq .faq-group__lede {
  margin: 0;
  max-width: 64ch;
  color: var(--faq-body);
  font-size: 15.5px;
  line-height: 1.8;
}

/* ---------- 状态徽标 ---------- */
.page-faq .faq-status-row {
  list-style: none;
  display: grid;
  gap: 8px;
  margin: 0 0 22px;
  padding: 0;
}

.page-faq .faq-status {
  display: flex;
  align-items: center;
  gap: 10px;
  padding: 10px 12px;
  border: 1px solid var(--line);
  border-left: 3px solid var(--ok);
  background: rgba(13, 31, 51, 0.72);
  color: var(--faq-body);
  font-family: var(--font-mono);
  font-size: 12px;
  letter-spacing: 0.04em;
  line-height: 1.6;
}

.page-faq .faq-status:nth-child(2) {
  border-left-color: var(--cyan);
}

.page-faq .faq-status--warn {
  border-left-color: var(--orange);
}

.page-faq .faq-status--warn .status-dot {
  background: var(--orange);
  box-shadow: 0 0 0 3px rgba(255, 122, 26, 0.22);
}

/* ---------- 折叠答案 ---------- */
.page-faq .faq-q {
  border: 2px solid var(--line);
  background: var(--panel);
  box-shadow: var(--shadow-pop);
  margin-bottom: 12px;
  transition: border-color 160ms ease;
}

.page-faq .faq-q[open] {
  border-color: rgba(61, 245, 208, 0.55);
}

.page-faq .faq-q summary {
  display: flex;
  align-items: flex-start;
  gap: 12px;
  min-height: 48px;
  padding: 15px 16px;
  cursor: pointer;
  list-style: none;
  color: var(--paper);
  font-size: 15.5px;
  font-weight: 700;
  line-height: 1.55;
}

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

.page-faq .faq-q summary::after {
  content: "+";
  margin-left: auto;
  flex: 0 0 auto;
  font-family: var(--font-mono);
  font-size: 18px;
  line-height: 1;
  color: var(--cyan);
}

.page-faq .faq-q[open] summary::after {
  content: "\2212";
}

.page-faq .faq-q summary:hover {
  background: rgba(61, 245, 208, 0.07);
}

.page-faq .faq-q__body {
  padding: 2px 16px 18px;
  border-top: 1px solid var(--line);
  color: var(--faq-body);
  font-size: 15px;
  line-height: 1.8;
}

.page-faq .faq-q__body p {
  margin: 14px 0 0;
}

/* ---------- 步骤 ---------- */
.page-faq .faq-steps {
  list-style: none;
  counter-reset: faq-step;
  margin: 14px 0 0;
  padding: 0;
  display: grid;
  gap: 10px;
}

.page-faq .faq-step {
  display: grid;
  grid-template-columns: 26px minmax(0, 1fr);
  gap: 10px;
  align-items: start;
}

.page-faq .faq-step__num {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  width: 26px;
  height: 26px;
  border: 1px solid var(--cyan);
  color: var(--cyan);
  font-family: var(--font-mono);
  font-size: 12px;
  line-height: 1;
}

.page-faq .faq-step > span:last-child {
  padding-top: 2px;
}

/* ---------- 反馈区 ---------- */
.page-faq .faq-group--feedback .media-frame {
  margin: 0 0 26px;
}

.page-faq .faq-split {
  display: grid;
  gap: 20px;
  margin-bottom: 24px;
}

.page-faq .faq-split__col {
  border: 2px solid var(--line);
  border-top: 3px solid var(--cyan);
  background: var(--ink-deep);
  padding: 16px;
}

.page-faq .faq-sub {
  margin: 0 0 12px;
  font-size: 15px;
  font-weight: 800;
  letter-spacing: 0.02em;
  color: var(--paper);
}

.page-faq .faq-list {
  list-style: none;
  margin: 0;
  padding: 0;
  display: grid;
  gap: 9px;
}

.page-faq .faq-list li {
  position: relative;
  padding-left: 16px;
  color: var(--faq-body);
  font-size: 14.5px;
  line-height: 1.7;
}

.page-faq .faq-list li::before {
  content: "";
  position: absolute;
  left: 0;
  top: 0.72em;
  width: 7px;
  height: 2px;
  background: var(--orange);
}

/* ---------- 模板块 ---------- */
.page-faq .faq-template {
  border: 2px dashed var(--line);
  background: rgba(4, 16, 28, 0.7);
  padding: 14px 16px 16px;
  margin-bottom: 24px;
}

.page-faq .faq-template__label {
  margin: 0 0 10px;
  color: var(--cyan);
  font-family: var(--font-mono);
  font-size: 11px;
  letter-spacing: 0.16em;
  text-transform: uppercase;
}

.page-faq .faq-template__body {
  margin: 0;
  overflow-x: auto;
  font-family: var(--font-mono);
  font-size: 13px;
  line-height: 1.9;
  color: var(--faq-body);
  white-space: pre;
}

/* ---------- 信号橙收束带 ---------- */
.page-faq .faq-cta {
  display: grid;
  gap: 16px;
  padding: 20px 18px;
  border: 2px solid var(--orange);
  background:
    linear-gradient(120deg, rgba(255, 122, 26, 0.16), rgba(255, 122, 26, 0.03) 70%),
    var(--panel);
  box-shadow: var(--shadow-hard);
}

.page-faq .faq-cta__title {
  margin: 0 0 6px;
  font-size: 19px;
  font-weight: 900;
  letter-spacing: -0.01em;
  color: var(--paper);
}

.page-faq .faq-cta__note {
  margin: 0;
  color: var(--faq-body);
  font-size: 14.5px;
  line-height: 1.75;
}

.page-faq .faq-cta__actions {
  display: flex;
  flex-wrap: wrap;
  gap: 10px;
}

.page-faq .faq-cta .btn {
  text-decoration: none;
}

/* ---------- 尾注 ---------- */
.page-faq .faq-more {
  margin-top: 30px;
  padding-top: 20px;
  border-top: 2px solid var(--line);
}

.page-faq .faq-more p {
  margin: 0;
  color: var(--faq-body-dim);
  font-size: 14px;
  line-height: 1.8;
}

.page-faq .faq-more a {
  color: var(--cyan);
  text-decoration: underline;
  text-underline-offset: 3px;
}

.page-faq a:focus-visible,
.page-faq summary:focus-visible {
  outline: 2px solid var(--cyan);
  outline-offset: 3px;
}

/* ---------- 断点 ---------- */
@media (min-width: 620px) {
  .page-faq .faq-status-row {
    grid-template-columns: repeat(3, minmax(0, 1fr));
  }

  .page-faq .faq-split {
    grid-template-columns: repeat(2, minmax(0, 1fr));
  }

  .page-faq .faq-cta {
    grid-template-columns: minmax(0, 1fr) auto;
    align-items: center;
    padding: 22px 24px;
  }
}

@media (min-width: 900px) {
  .page-faq .faq-hero {
    padding-top: calc(var(--header-h) + 56px);
    padding-bottom: 42px;
  }

  .page-faq .faq-statband__grid {
    grid-template-columns: repeat(4, minmax(0, 1fr));
    gap: 8px 20px;
  }

  .page-faq .faq-layout {
    grid-template-columns: 232px minmax(0, 1fr);
    gap: 56px;
  }

  .page-faq .faq-index {
    position: sticky;
    top: calc(var(--header-h) + 26px);
    align-self: start;
  }

  .page-faq .faq-group {
    padding-bottom: 44px;
    margin-bottom: 44px;
  }

  .page-faq .faq-q summary {
    font-size: 16px;
    padding: 18px 20px;
  }

  .page-faq .faq-q__body {
    padding: 2px 20px 22px;
  }
}

@media (min-width: 1180px) {
  .page-faq .faq-layout {
    grid-template-columns: 260px minmax(0, 1fr);
    gap: 72px;
  }

  .page-faq .faq-group__lede {
    font-size: 16.5px;
  }
}

@media (prefers-reduced-motion: reduce) {
  .page-faq .faq-tab,
  .page-faq .faq-index__link,
  .page-faq .faq-q {
    transition: none;
  }

  .page-faq .faq-tab:hover,
  .page-faq .faq-tab:focus-visible {
    transform: none;
  }
}
<<<PAGE_CSS_END>>>
<<<END>>>