.page-faq {
  display: block;
  background: var(--night-900);
  color: var(--snow);
  overflow-x: hidden;
}

.page-faq .shell {
  width: 100%;
}

/* ---------- 面包屑 ---------- */
.page-faq .breadcrumbs {
  font-family: var(--font-mono);
  font-size: 12px;
  letter-spacing: 0.06em;
  padding-top: 22px;
}

.page-faq .breadcrumbs ol {
  display: flex;
  flex-wrap: wrap;
  gap: 0.5em;
  margin: 0;
  padding: 0;
  list-style: none;
  color: var(--mist);
}

.page-faq .breadcrumbs li + li::before {
  content: "/";
  margin-right: 0.5em;
  color: var(--steel);
}

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

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

/* ---------- 首屏 ---------- */
.page-faq .faq-hero {
  position: relative;
  padding-bottom: 34px;
  border-bottom: 1px solid var(--steel);
  background:
    radial-gradient(120% 82% at 84% -14%, rgba(43, 227, 199, 0.15) 0%, rgba(6, 11, 27, 0) 56%),
    radial-gradient(96% 70% at 4% 2%, rgba(242, 179, 61, 0.11) 0%, rgba(6, 11, 27, 0) 62%),
    var(--night-900);
}

.page-faq .faq-hero::after {
  content: "";
  position: absolute;
  left: 0;
  right: 0;
  bottom: -1px;
  height: 3px;
  background: linear-gradient(90deg, var(--gold) 0%, var(--cyan) 38%, rgba(43, 227, 199, 0) 88%);
  opacity: 0.7;
}

.page-faq .faq-hero .eyebrow {
  margin: 26px 0 0;
  font-family: var(--font-mono);
  font-size: 12px;
  font-weight: 700;
  letter-spacing: 0.16em;
  text-transform: uppercase;
  color: var(--cyan);
}

.page-faq h1 {
  margin: 16px 0 0;
  max-width: 17ch;
  font-family: var(--font-display);
  font-weight: 900;
  font-size: clamp(29px, 6.6vw, 58px);
  line-height: 1.06;
  letter-spacing: -0.02em;
  color: var(--snow);
  text-wrap: balance;
}

.page-faq .lede {
  margin: 18px 0 0;
  max-width: 64ch;
  font-size: 15.5px;
  line-height: 1.78;
  color: var(--mist);
}

.page-faq .faq-hero-figure {
  margin: 26px 0 0;
}

.page-faq .media-frame {
  overflow: hidden;
  border: 1px solid var(--steel);
  background: var(--night-800);
}

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

.page-faq .media-caption {
  margin: 10px 0 0;
  font-family: var(--font-mono);
  font-size: 11.5px;
  letter-spacing: 0.03em;
  line-height: 1.6;
  color: var(--mist);
}

/* ---------- 快速索引 ---------- */
.page-faq .faq-jump {
  border-bottom: 1px solid var(--steel);
  background: var(--night-800);
}

.page-faq .faq-jump-list {
  display: flex;
  flex-wrap: wrap;
  gap: 8px;
  margin: 0;
  padding: 14px 0;
  list-style: none;
}

.page-faq .faq-jump-list a {
  display: inline-flex;
  align-items: baseline;
  gap: 7px;
  padding: 7px 12px;
  border: 1px solid var(--steel);
  background: rgba(22, 36, 74, 0.55);
  color: var(--mist);
  font-size: 13px;
  text-decoration: none;
  transition: border-color 220ms var(--ease), color 220ms var(--ease), background 220ms var(--ease);
}

.page-faq .faq-jump-list a:hover,
.page-faq .faq-jump-list a:focus-visible {
  border-color: var(--cyan);
  color: var(--cyan-soft);
  background: rgba(43, 227, 199, 0.08);
}

.page-faq .faq-jump-list .mono {
  font-family: var(--font-mono);
  font-size: 11px;
  font-weight: 700;
  font-variant-numeric: tabular-nums;
  color: var(--gold);
}

/* ---------- 章节 ---------- */
.page-faq .faq-section {
  padding: 42px 0 6px;
  border-bottom: 1px solid var(--steel);
}

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

.page-faq .faq-section--youth {
  background: linear-gradient(180deg, rgba(22, 36, 74, 0.6) 0%, rgba(6, 11, 27, 0) 100%);
}

.page-faq .faq-sec-head {
  display: grid;
  gap: 6px;
  margin-bottom: 20px;
}

.page-faq .faq-sec-num {
  font-family: var(--font-mono);
  font-size: 11.5px;
  font-weight: 700;
  letter-spacing: 0.18em;
  color: var(--gold);
}

.page-faq .faq-sec-head .h-section {
  margin: 0;
  font-family: var(--font-display);
  font-weight: 800;
  font-size: clamp(21px, 3.6vw, 30px);
  line-height: 1.2;
  letter-spacing: -0.015em;
  color: var(--snow);
}

.page-faq .faq-sec-lede {
  margin: 0;
  max-width: 64ch;
  font-size: 14.5px;
  line-height: 1.72;
  color: var(--mist);
}

/* ---------- 四步路径 ---------- */
.page-faq .route-steps {
  margin: 0 0 24px;
  padding: 0;
  list-style: none;
  display: grid;
  gap: 10px;
}

.page-faq .route-step {
  position: relative;
}

.page-faq .route-step > a {
  display: grid;
  grid-template-columns: 34px minmax(0, 1fr);
  column-gap: 12px;
  row-gap: 4px;
  padding: 14px 16px 14px 14px;
  background: var(--night-600);
  color: inherit;
  text-decoration: none;
  clip-path: polygon(0 0, calc(100% - 14px) 0, 100% 14px, 100% 100%, 14px 100%, 0 calc(100% - 14px));
  transition: background 220ms var(--ease), transform 220ms var(--ease);
}

.page-faq .route-step > a:hover,
.page-faq .route-step > a:focus-visible {
  background: rgba(43, 227, 199, 0.12);
  transform: translateY(-2px);
}

.page-faq .route-num {
  grid-row: 1 / span 2;
  font-family: var(--font-mono);
  font-size: 15px;
  font-weight: 700;
  font-variant-numeric: tabular-nums;
  color: var(--cyan);
  letter-spacing: -0.02em;
}

.page-faq .route-name {
  font-family: var(--font-display);
  font-weight: 800;
  font-size: 15.5px;
  line-height: 1.3;
  color: var(--snow);
}

.page-faq .route-desc {
  font-size: 13.5px;
  line-height: 1.65;
  color: var(--mist);
}

.page-faq .route-step:not(:last-child)::after {
  content: "";
  position: absolute;
  left: 26px;
  bottom: -10px;
  width: 1px;
  height: 10px;
  background: var(--cyan);
  opacity: 0.55;
}

.page-faq .faq-figure {
  margin: 0 0 26px;
}

/* ---------- 问答折页 ---------- */
.page-faq .qa-list {
  border-top: 1px solid var(--steel);
}

.page-faq .qa-item {
  border-bottom: 1px solid var(--steel);
  border-left: 2px solid transparent;
  background: var(--night-800);
  transition: border-color 240ms var(--ease), background 240ms var(--ease);
}

.page-faq .qa-item:hover {
  border-left-color: var(--steel);
}

.page-faq .qa-item[open] {
  border-left-color: var(--cyan);
  background: linear-gradient(100deg, rgba(43, 227, 199, 0.1) 0%, rgba(12, 21, 48, 0.95) 52%);
}

.page-faq .qa-summary {
  display: grid;
  grid-template-columns: auto minmax(0, 1fr) auto;
  align-items: start;
  column-gap: 12px;
  padding: 16px 16px;
  cursor: pointer;
  list-style: none;
}

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

.page-faq .qa-index {
  padding-top: 3px;
  font-family: var(--font-mono);
  font-size: 12px;
  font-weight: 700;
  font-variant-numeric: tabular-nums;
  letter-spacing: 0.02em;
  color: var(--gold);
}

.page-faq .qa-item[open] .qa-index {
  color: var(--cyan);
}

.page-faq .qa-question {
  font-family: var(--font-display);
  font-weight: 700;
  font-size: 15.5px;
  line-height: 1.55;
  color: var(--snow);
  transition: color 220ms var(--ease);
}

.page-faq .qa-item[open] .qa-question {
  color: var(--cyan-soft);
}

.page-faq .qa-mark {
  position: relative;
  width: 14px;
  height: 14px;
  margin-top: 6px;
}

.page-faq .qa-mark::before,
.page-faq .qa-mark::after {
  content: "";
  position: absolute;
  background: var(--cyan);
  transition: transform 240ms var(--ease), opacity 240ms var(--ease);
}

.page-faq .qa-mark::before {
  left: 0;
  top: 6px;
  width: 14px;
  height: 2px;
}

.page-faq .qa-mark::after {
  left: 6px;
  top: 0;
  width: 2px;
  height: 14px;
}

.page-faq .qa-item[open] .qa-mark::after {
  transform: scaleY(0);
  opacity: 0;
}

.page-faq .qa-body {
  display: grid;
  gap: 9px;
  padding: 14px 16px 18px 16px;
  border-top: 1px solid var(--steel);
}

.page-faq .qa-body p {
  margin: 0;
  max-width: 68ch;
  font-size: 15px;
  line-height: 1.76;
  color: var(--mist);
}

.page-faq .qa-note {
  padding: 7px 10px;
  border-left: 2px solid var(--steel);
  background: rgba(42, 58, 99, 0.35);
  font-family: var(--font-mono);
  font-size: 11.5px;
  line-height: 1.7;
  letter-spacing: 0.02em;
  color: var(--mist);
}

/* ---------- 尾段 ---------- */
.page-faq .faq-cta {
  padding: 40px 0 56px;
  background: linear-gradient(180deg, rgba(12, 21, 48, 0) 0%, rgba(12, 21, 48, 0.9) 60%);
}

.page-faq .faq-cta-panel {
  position: relative;
  padding: 26px 20px 26px 24px;
  border: 1px solid var(--steel);
  background:
    linear-gradient(120deg, rgba(43, 227, 199, 0.13) 0%, rgba(22, 36, 74, 0.7) 46%, rgba(242, 179, 61, 0.1) 100%),
    var(--night-800);
  clip-path: polygon(0 0, calc(100% - 18px) 0, 100% 18px, 100% 100%, 18px 100%, 0 calc(100% - 18px));
}

.page-faq .faq-cta-panel .h-section {
  margin: 0;
  font-family: var(--font-display);
  font-weight: 800;
  font-size: clamp(20px, 3.4vw, 27px);
  line-height: 1.25;
  color: var(--snow);
}

.page-faq .faq-cta-panel p {
  margin: 12px 0 0;
  max-width: 62ch;
  font-size: 14.5px;
  line-height: 1.74;
  color: var(--mist);
}

.page-faq .faq-cta-actions {
  display: flex;
  flex-wrap: wrap;
  gap: 10px;
  margin-top: 20px;
}

/* ---------- 交互与动效 ---------- */
.page-faq a:focus-visible,
.page-faq summary:focus-visible {
  outline: 2px solid var(--cyan);
  outline-offset: 2px;
}

@keyframes faq-open {
  from {
    opacity: 0;
    transform: translateY(-5px);
  }
  to {
    opacity: 1;
    transform: translateY(0);
  }
}

@media (prefers-reduced-motion: no-preference) {
  .page-faq .qa-item[open] .qa-body {
    animation: faq-open 320ms var(--ease) both;
  }
}

@media (prefers-reduced-motion: reduce) {
  .page-faq .route-step > a:hover,
  .page-faq .route-step > a:focus-visible {
    transform: none;
  }

  .page-faq .qa-item[open] .qa-body {
    animation: none;
  }
}

/* ---------- 窄屏微调 ---------- */
@media (max-width: 520px) {
  .page-faq .faq-jump-list a {
    padding: 6px 9px;
    font-size: 12.5px;
  }

  .page-faq .qa-summary {
    column-gap: 10px;
    padding: 14px 12px;
  }

  .page-faq .qa-body {
    padding: 12px 12px 16px 12px;
  }
}

/* ---------- 桌面端 ---------- */
@media (min-width: 860px) {
  .page-faq .faq-hero {
    padding-bottom: 44px;
  }

  .page-faq .faq-hero-figure {
    margin-top: 32px;
  }

  .page-faq .faq-sec-head {
    grid-template-columns: 86px minmax(0, 1fr);
    column-gap: 20px;
  }

  .page-faq .faq-sec-num {
    grid-row: 1 / span 2;
    padding-top: 7px;
  }

  .page-faq .faq-sec-head .h-section,
  .page-faq .faq-sec-lede {
    grid-column: 2;
  }

  .page-faq .qa-summary {
    padding: 18px 22px;
    column-gap: 20px;
  }

  .page-faq .qa-body {
    padding: 16px 22px 20px 22px;
    grid-template-columns: minmax(0, 1fr);
    padding-left: 22px;
  }

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

  .page-faq .faq-cta-panel {
    padding: 32px 32px 32px 36px;
  }
}

@media (min-width: 900px) {
  .page-faq .route-steps {
    grid-template-columns: repeat(4, minmax(0, 1fr));
    gap: 24px;
    margin-bottom: 30px;
  }

  .page-faq .route-step > a {
    grid-template-columns: 30px minmax(0, 1fr);
    height: 100%;
    padding: 16px 16px 18px 14px;
  }

  .page-faq .route-step:not(:last-child)::after {
    left: auto;
    right: -24px;
    top: 30px;
    bottom: auto;
    width: 24px;
    height: 1px;
  }
}
<<<END>>>