.page-faq {
  --faq-ink-soft: #4E4838;
  --faq-panel: rgba(11, 41, 66, .72);
  background:
    radial-gradient(120% 70% at 90% -10%, rgba(31, 224, 208, .14), transparent 58%),
    radial-gradient(80% 56% at -8% 4%, rgba(242, 179, 75, .10), transparent 62%),
    var(--ink);
  color: var(--paper);
  padding-bottom: clamp(64px, 9vw, 120px);
  overflow-x: clip;
}

.page-faq .shell {
  padding-inline: var(--gutter);
}

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

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

.page-faq .faq-hero {
  padding-top: clamp(22px, 4vw, 40px);
}

/* ---------- 首屏框景 ---------- */
.page-faq .faq-viewport {
  position: relative;
  margin-top: clamp(18px, 3vw, 28px);
  padding: clamp(26px, 4vw, 46px) clamp(18px, 4vw, 44px) clamp(22px, 4vw, 40px);
  border: 1px solid var(--steel);
  background: linear-gradient(170deg, var(--faq-panel), rgba(6, 21, 39, .62));
  box-shadow: var(--shadow-deep);
}

.page-faq .faq-viewport::before {
  content: "";
  position: absolute;
  inset: 0 0 auto 0;
  height: 10px;
  background-image: repeating-linear-gradient(90deg, var(--steel) 0 1px, transparent 1px 18px);
  border-bottom: 1px solid rgba(16, 62, 92, .7);
  pointer-events: none;
}

.page-faq .faq-viewport::after {
  content: "";
  position: absolute;
  right: -1px;
  bottom: -1px;
  width: 48px;
  height: 48px;
  border-right: 2px solid var(--amber);
  border-bottom: 2px solid var(--amber);
  pointer-events: none;
}

.page-faq .faq-viewport .eyebrow {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  gap: 10px;
  margin: 0;
  font-size: 13px;
  letter-spacing: .06em;
  color: var(--mist);
}

.page-faq .faq-viewport h1 {
  margin: clamp(14px, 2vw, 22px) 0 0;
  max-width: 20ch;
  font-size: clamp(30px, 6.4vw, 58px);
  font-weight: 900;
  line-height: 1.1;
  letter-spacing: -.02em;
}

.page-faq .faq-lead {
  margin: clamp(14px, 2vw, 20px) 0 0;
  max-width: 54ch;
  font-size: clamp(15px, 1.6vw, 17px);
  line-height: 1.85;
  color: var(--mist);
}

.page-faq .faq-hero-facts {
  display: flex;
  flex-wrap: wrap;
  gap: 8px;
  margin: clamp(16px, 2vw, 22px) 0 0;
  padding: 0;
  list-style: none;
}

.page-faq .faq-hero-facts li {
  padding: 6px 11px;
  border: 1px solid var(--steel);
  background: rgba(31, 224, 208, .07);
  font-family: var(--font-mono);
  font-size: 12px;
  letter-spacing: .06em;
  color: var(--cyan-soft);
}

/* ---------- 自查流程图 ---------- */
.page-faq .faq-map {
  position: relative;
  isolation: isolate;
  margin-top: clamp(24px, 4vw, 40px);
  padding: clamp(18px, 3vw, 30px);
  border: 1px solid var(--steel);
  overflow: hidden;
}

.page-faq .faq-map-bg {
  position: absolute;
  inset: 0;
  z-index: 0;
  width: 100%;
  height: 100%;
  object-fit: cover;
  opacity: .2;
  pointer-events: none;
}

.page-faq .faq-map-lines {
  position: absolute;
  inset: 0;
  z-index: 1;
  width: 100%;
  height: 100%;
  opacity: .6;
  pointer-events: none;
}

.page-faq .faq-map-title {
  position: relative;
  z-index: 2;
  margin: 0 0 14px;
  font-family: var(--font-mono);
  font-size: 12px;
  letter-spacing: .18em;
  color: var(--cyan);
}

.page-faq .faq-branches {
  position: relative;
  z-index: 2;
  display: grid;
  gap: 10px;
}

.page-faq .faq-branch {
  position: relative;
  display: grid;
  gap: 6px;
  padding: 16px 14px 18px;
  border: 1px solid var(--steel);
  background: rgba(6, 21, 39, .84);
  color: var(--paper);
  transition: transform .25s var(--ease), border-color .25s var(--ease), background .25s var(--ease);
}

.page-faq .faq-branch::before {
  content: "";
  position: absolute;
  top: 0;
  left: 0;
  width: 44px;
  height: 3px;
  background: var(--cyan);
}

.page-faq .faq-branch--amber::before { background: var(--amber); }
.page-faq .faq-branch--cyan-soft::before { background: var(--cyan-soft); }
.page-faq .faq-branch--coral::before { background: var(--coral); }

.page-faq .faq-branch:hover,
.page-faq .faq-branch:focus-visible {
  transform: translateY(-4px);
  border-color: var(--cyan);
  background: rgba(13, 46, 72, .96);
}

.page-faq .faq-branch-num {
  font-family: var(--font-mono);
  font-size: 11px;
  letter-spacing: .16em;
  color: var(--cyan);
}

.page-faq .faq-branch-title {
  font-size: 15px;
  font-weight: 700;
  line-height: 1.5;
}

.page-faq .faq-branch-meta {
  font-family: var(--font-mono);
  font-size: 11px;
  letter-spacing: .06em;
  color: var(--mist);
}

/* ---------- 主体：目录 + 问答 ---------- */
.page-faq .faq-body {
  display: grid;
  gap: clamp(18px, 3vw, 30px);
  margin-top: clamp(34px, 5vw, 64px);
}

.page-faq .faq-toc {
  padding: 12px 0;
  border-top: 1px solid var(--steel);
  border-bottom: 1px solid var(--steel);
}

.page-faq .faq-toc-title {
  margin: 0 0 10px;
  font-family: var(--font-mono);
  font-size: 11px;
  letter-spacing: .2em;
  color: var(--mist);
}

.page-faq .faq-toc-list {
  display: flex;
  gap: 8px;
  margin: 0;
  padding: 0 0 2px;
  list-style: none;
  overflow-x: auto;
  scrollbar-width: thin;
}

.page-faq .faq-toc-list a {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  padding: 8px 12px;
  border: 1px solid var(--steel);
  font-size: 13px;
  white-space: nowrap;
  color: var(--mist);
  transition: border-color .25s var(--ease), color .25s var(--ease), background .25s var(--ease);
}

.page-faq .faq-toc-list a .num {
  font-family: var(--font-mono);
  font-size: 11px;
  letter-spacing: .08em;
  color: var(--cyan);
}

.page-faq .faq-toc-list a:hover {
  border-color: var(--cyan);
  color: var(--paper);
}

.page-faq .faq-toc-list a[aria-current="location"] {
  border-color: var(--cyan);
  background: rgba(31, 224, 208, .1);
  color: var(--paper);
}

.page-faq .faq-toc-list a[aria-current="location"] .num {
  color: var(--amber);
}

/* ---------- 分组 ---------- */
.page-faq .faq-group {
  margin-top: clamp(34px, 5vw, 58px);
  scroll-margin-top: calc(var(--header-h) + 24px);
}

.page-faq .faq-group:first-child {
  margin-top: 0;
}

.page-faq .faq-group-head {
  padding-left: clamp(12px, 2vw, 20px);
  border-left: 3px solid var(--cyan);
}

.page-faq .faq-group-head .eyebrow {
  display: flex;
  align-items: center;
  gap: 10px;
  margin: 0;
  font-family: var(--font-mono);
  font-size: 12px;
  letter-spacing: .18em;
  color: var(--cyan);
}

.page-faq .faq-group-head .eyebrow .num {
  color: var(--amber);
}

.page-faq .faq-group-head h2 {
  margin: 10px 0 0;
  font-size: clamp(23px, 3.4vw, 34px);
  font-weight: 900;
  line-height: 1.28;
  letter-spacing: -.01em;
}

.page-faq .faq-group-head p {
  margin: 10px 0 0;
  max-width: 56ch;
  font-size: 15px;
  line-height: 1.85;
  color: var(--mist);
}

/* ---------- 问答手风琴 ---------- */
.page-faq .faq-list {
  display: grid;
  gap: 8px;
  margin: clamp(18px, 3vw, 26px) 0 0;
}

.page-faq .faq-item {
  border: 1px solid var(--steel);
  background: rgba(6, 21, 39, .58);
  transition: border-color .25s var(--ease), background .25s var(--ease);
}

.page-faq .faq-item:hover {
  border-color: rgba(31, 224, 208, .55);
}

.page-faq .faq-item[open] {
  border-color: var(--cyan);
  background: rgba(11, 41, 66, .9);
}

.page-faq .faq-item > summary {
  display: grid;
  grid-template-columns: auto 1fr auto;
  align-items: center;
  gap: 12px;
  padding: 15px 16px;
  cursor: pointer;
  list-style: none;
}

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

.page-faq .faq-item-num {
  font-family: var(--font-mono);
  font-size: 12px;
  letter-spacing: .08em;
  color: var(--cyan);
}

.page-faq .faq-item[open] .faq-item-num {
  color: var(--amber);
}

.page-faq .faq-item-q {
  font-size: clamp(15px, 1.7vw, 17px);
  font-weight: 700;
  line-height: 1.55;
  color: var(--paper);
}

.page-faq .faq-item-mark {
  position: relative;
  width: 14px;
  height: 14px;
}

.page-faq .faq-item-mark::before,
.page-faq .faq-item-mark::after {
  content: "";
  position: absolute;
  left: 0;
  right: 0;
  top: 50%;
  height: 1.5px;
  background: var(--cyan);
  transition: transform .25s var(--ease);
}

.page-faq .faq-item-mark::after {
  transform: rotate(90deg);
}

.page-faq .faq-item[open] .faq-item-mark::after {
  transform: rotate(0deg);
}

.page-faq .faq-item-body {
  padding: 16px 16px 20px;
  background: var(--paper);
  color: var(--black);
  border-top: 1px solid var(--cyan);
}

.page-faq .faq-item-body p {
  margin: 0;
  max-width: 44ch;
  font-size: 15px;
  line-height: 1.85;
  color: var(--faq-ink-soft);
}

.page-faq .faq-item-body p + p {
  margin-top: 10px;
}

.page-faq .faq-item-body .faq-inline-link {
  color: #0A5C58;
  border-bottom: 1px solid rgba(10, 92, 88, .45);
}

.page-faq .faq-steps {
  margin: 0;
  padding: 0;
  list-style: none;
  counter-reset: faqstep;
  display: grid;
  gap: 10px;
}

.page-faq .faq-steps li {
  position: relative;
  counter-increment: faqstep;
  padding-left: 28px;
  font-size: 15px;
  line-height: 1.75;
  color: var(--faq-ink-soft);
}

.page-faq .faq-steps li::before {
  content: counter(faqstep);
  position: absolute;
  left: 0;
  top: 3px;
  width: 19px;
  height: 19px;
  display: grid;
  place-items: center;
  border-radius: 50%;
  background: var(--amber);
  color: var(--ink);
  font-family: var(--font-mono);
  font-size: 11px;
  font-weight: 500;
}

/* ---------- 插图 ---------- */
.page-faq .faq-figure {
  margin: clamp(20px, 3vw, 30px) 0 0;
}

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

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

.page-faq .faq-figure figcaption {
  margin-top: 9px;
  font-size: 13px;
  line-height: 1.7;
  color: var(--mist);
}

/* ---------- 人工求助 ---------- */
.page-faq .help-grid {
  display: grid;
  gap: 12px;
  margin-top: clamp(20px, 3vw, 28px);
}

.page-faq .help-card {
  display: grid;
  gap: 10px;
  align-content: start;
  padding: clamp(16px, 3vw, 24px);
  border: 1px solid var(--steel);
  background: linear-gradient(160deg, rgba(11, 41, 66, .86), rgba(6, 21, 39, .72));
}

.page-faq .help-card h3 {
  margin: 0;
  font-size: 17px;
  font-weight: 700;
  color: var(--paper);
}

.page-faq .help-card p {
  margin: 0;
  font-size: 14px;
  line-height: 1.8;
  color: var(--mist);
}

.page-faq .help-card .copy-btn {
  justify-self: start;
}

.page-faq .help-prep-block {
  margin-top: clamp(18px, 3vw, 26px);
  padding: clamp(16px, 3vw, 24px);
  border: 1px dashed var(--steel);
  background: rgba(31, 224, 208, .04);
}

.page-faq .help-prep-title {
  margin: 0 0 12px;
  font-family: var(--font-mono);
  font-size: 12px;
  letter-spacing: .14em;
  color: var(--cyan);
}

.page-faq .help-prep {
  display: grid;
  gap: 7px;
  margin: 0;
  padding: 0;
  list-style: none;
}

.page-faq .help-prep li {
  position: relative;
  padding-left: 18px;
  font-size: 14px;
  line-height: 1.75;
  color: var(--mist);
}

.page-faq .help-prep li::before {
  content: "";
  position: absolute;
  left: 0;
  top: .68em;
  width: 7px;
  height: 7px;
  background: var(--cyan);
  transform: rotate(45deg);
}

.page-faq .help-prep-note {
  margin: 14px 0 0;
  font-size: 14px;
  line-height: 1.8;
  color: var(--mist);
}

/* ---------- 响应式 ---------- */
@media (min-width: 560px) {
  .page-faq .faq-branches {
    grid-template-columns: 1fr 1fr;
  }
}

@media (min-width: 720px) {
  .page-faq .help-grid {
    grid-template-columns: 1fr 1fr;
  }
}

@media (min-width: 920px) {
  .page-faq .faq-branches {
    grid-template-columns: repeat(4, minmax(0, 1fr));
  }
}

@media (min-width: 1000px) {
  .page-faq .faq-body {
    grid-template-columns: minmax(0, 1fr) 208px;
    column-gap: clamp(28px, 4vw, 60px);
    align-items: start;
  }

  .page-faq .faq-groups {
    grid-column: 1;
    grid-row: 1;
  }

  .page-faq .faq-toc {
    grid-column: 2;
    grid-row: 1;
    position: sticky;
    top: calc(var(--header-h) + 28px);
    padding: 0;
    border-top: none;
    border-bottom: none;
  }

  .page-faq .faq-toc-list {
    flex-direction: column;
    gap: 2px;
    overflow: visible;
  }

  .page-faq .faq-toc-list a {
    width: 100%;
    padding: 9px 12px;
    border: none;
    border-left: 2px solid transparent;
    white-space: normal;
  }

  .page-faq .faq-toc-list a[aria-current="location"] {
    border-left-color: var(--cyan);
    background: rgba(31, 224, 208, .08);
  }
}

@media (min-width: 1180px) {
  .page-faq .faq-item-body {
    padding: 18px 26px 24px;
  }

  .page-faq .faq-figure {
    max-width: 720px;
  }
}

@media (prefers-reduced-motion: reduce) {
  .page-faq .faq-branch,
  .page-faq .faq-toc-list a,
  .page-faq .faq-item,
  .page-faq .faq-item-mark::before,
  .page-faq .faq-item-mark::after {
    transition: none;
  }

  .page-faq .faq-branch:hover {
    transform: none;
  }
}
<<<END>>>