.page-faq {
  --faq-pad: clamp(56px, 8vw, 104px);
  --faq-gap: clamp(20px, 3vw, 40px);
  --faq-line: var(--line-light);
  background: var(--paper-50);
  color: var(--ink-900);
}

/* ---------- 首屏 ---------- */
.page-faq .faq-hero {
  position: relative;
  overflow: hidden;
  background: var(--ink-900);
  color: var(--field-white);
  padding: clamp(24px, 4vw, 44px) 0 clamp(28px, 4vw, 52px);
}
.page-faq .faq-hero::before {
  content: "";
  position: absolute;
  inset: 0;
  background-image:
    linear-gradient(to right, rgba(253, 251, 246, .06) 1px, transparent 1px),
    linear-gradient(to bottom, rgba(253, 251, 246, .06) 1px, transparent 1px);
  background-size: 64px 64px;
  pointer-events: none;
}
.page-faq .faq-hero > .cmp-container {
  position: relative;
  z-index: 1;
}
.page-faq .faq-crumb .cmp-breadcrumb__link { color: var(--blaze-300); }
.page-faq .faq-crumb .cmp-breadcrumb__sep { color: var(--white-muted); }
.page-faq .faq-crumb .cmp-breadcrumb__item { color: var(--white-muted); }

.page-faq .faq-hero__grid {
  display: grid;
  grid-template-columns: minmax(0, 1fr);
  gap: 20px;
  margin-top: clamp(20px, 3vw, 34px);
}
.page-faq .faq-hero__main > .cmp-eyebrow {
  color: var(--blaze-300);
}
.page-faq .faq-hero h1 {
  margin: 14px 0 0;
  font-family: var(--font-display);
  font-size: clamp(34px, 6.2vw, 74px);
  font-weight: 900;
  line-height: 1.06;
  letter-spacing: -.02em;
  color: var(--field-white);
}
.page-faq .faq-slab {
  display: inline-block;
  background: var(--blaze-500);
  color: var(--ink-900);
  padding: 0 .16em .04em;
  clip-path: polygon(1.5% 0, 100% 4%, 98.5% 100%, 0 94%);
}
.page-faq .faq-hero__lead {
  margin-top: 18px;
  max-width: 58ch;
  color: var(--white-muted);
}
.page-faq .faq-hero__actions {
  display: flex;
  flex-wrap: wrap;
  gap: 12px;
  margin-top: 24px;
}
.page-faq .faq-hero__note {
  display: flex;
  flex-direction: column;
  align-items: flex-start;
  gap: 12px;
}
.page-faq .faq-hero__ver {
  color: var(--blaze-300);
  font-size: 14px;
  border: 1px solid var(--line-dark);
  padding: 2px 8px;
}
.page-faq .faq-vnote {
  writing-mode: vertical-rl;
  font-family: var(--font-mono);
  font-size: 12px;
  letter-spacing: .35em;
  color: var(--white-muted);
  max-height: 220px;
}

/* ---------- 章节索引条 ---------- */
.page-faq .faq-jump {
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: 2px 10px;
  margin-top: clamp(26px, 4vw, 44px);
  padding-top: 14px;
  border-top: 1px solid var(--line-dark);
}
.page-faq .faq-jump__link {
  display: flex;
  align-items: baseline;
  gap: 8px;
  padding: 6px 8px;
  border-left: 2px solid transparent;
  font-size: 13px;
  color: var(--white-muted);
  text-decoration: none;
  transition: color .24s var(--ease), border-color .24s var(--ease);
}
.page-faq .faq-jump__link .cmp-mono {
  color: var(--blaze-300);
  font-size: 11px;
}
.page-faq .faq-jump__link:hover,
.page-faq .faq-jump__link:focus-visible {
  color: var(--field-white);
  border-left-color: var(--blaze-500);
}

/* ---------- 章节外壳 ---------- */
.page-faq .faq-sec { padding: var(--faq-pad) 0; }
.page-faq .faq-sec--paper {
  background: var(--paper-50);
  color: var(--ink-900);
}
.page-faq .faq-sec--dark {
  position: relative;
  overflow: hidden;
  background: var(--ink-900);
  color: var(--field-white);
}
.page-faq .faq-sec--dark::before {
  content: "";
  position: absolute;
  inset: 0;
  background-image:
    linear-gradient(to right, rgba(253, 251, 246, .05) 1px, transparent 1px),
    linear-gradient(to bottom, rgba(253, 251, 246, .05) 1px, transparent 1px);
  background-size: 64px 64px;
  pointer-events: none;
}
.page-faq .faq-sec--dark > .cmp-container {
  position: relative;
  z-index: 1;
}
.page-faq .faq-sec--rule {
  background: var(--paper-50);
  border-top: 1px solid var(--paper-200);
  border-bottom: 1px solid var(--paper-200);
}

.page-faq .faq-head {
  display: grid;
  grid-template-columns: minmax(0, 1fr);
  gap: 16px;
  margin-bottom: clamp(22px, 3.4vw, 38px);
}
.page-faq .faq-head__note {
  font-family: var(--font-mono);
  font-size: 11px;
  letter-spacing: .3em;
  color: var(--ink-muted);
  align-self: start;
}
.page-faq .faq-h2 {
  margin: 10px 0 0;
  font-family: var(--font-display);
  font-size: clamp(24px, 3.6vw, 40px);
  font-weight: 900;
  line-height: 1.18;
  letter-spacing: -.01em;
}
.page-faq .faq-lead {
  margin: 12px 0 0;
  max-width: 62ch;
  font-size: 16px;
  line-height: 1.75;
  color: var(--ink-muted);
}
.page-faq .faq-lead--dark { color: var(--white-muted); }
.page-faq .faq-sec--dark .faq-h2 { color: var(--field-white); }
.page-faq .faq-sec--dark .faq-head__note { color: var(--white-muted); }
.page-faq .faq-sec--dark .cmp-eyebrow { color: var(--blaze-300); }

/* ---------- 三张场边指示牌 ---------- */
.page-faq .faq-picks {
  display: grid;
  grid-template-columns: minmax(0, 1fr);
  gap: 14px;
}
.page-faq .faq-pick {
  display: block;
  padding: 20px 18px 22px;
  background: var(--field-white);
  border: 1px solid var(--line-light);
  border-left: 4px solid var(--army-700);
  color: var(--ink-900);
  text-decoration: none;
  transition: transform .24s var(--ease), border-color .24s var(--ease);
}
.page-faq .faq-pick:hover,
.page-faq .faq-pick:focus-visible {
  transform: translateY(-2px);
  border-left-color: var(--blaze-500);
}
.page-faq .faq-pick__num {
  display: inline-block;
  min-width: 34px;
  padding: 5px 7px;
  background: var(--army-700);
  color: var(--field-white);
  font-family: var(--font-mono);
  font-size: 16px;
  line-height: 1;
  text-align: center;
}
.page-faq .faq-pick:nth-child(2) .faq-pick__num { background: var(--ink-900); }
.page-faq .faq-pick:nth-child(3) .faq-pick__num { background: var(--blaze-500); color: var(--ink-900); }
.page-faq .faq-pick__title {
  margin: 14px 0 6px;
  font-size: 20px;
  font-weight: 900;
  letter-spacing: -.01em;
}
.page-faq .faq-pick p {
  margin: 0;
  font-size: 14.5px;
  line-height: 1.7;
  color: var(--ink-muted);
}
.page-faq .faq-pick__go {
  display: inline-block;
  margin-top: 14px;
  font-family: var(--font-mono);
  font-size: 12px;
  letter-spacing: .06em;
  color: var(--blaze-500);
}

/* ---------- 步骤条 + 问答布局 ---------- */
.page-faq .faq-layout {
  display: grid;
  grid-template-columns: minmax(0, 1fr);
  gap: var(--faq-gap);
}
.page-faq .faq-steps {
  display: flex;
  flex-direction: row;
  align-items: center;
  gap: 12px;
}
.page-faq .faq-steps__num {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  width: 62px;
  padding: 10px 4px;
  background: var(--army-700);
  color: var(--field-white);
  font-family: var(--font-mono);
  font-size: 32px;
  font-weight: 700;
  line-height: 1;
}
.page-faq .faq-steps__name {
  font-family: var(--font-mono);
  font-size: 11px;
  letter-spacing: .24em;
  color: var(--ink-muted);
}
.page-faq .faq-steps__line { display: none; }

.page-faq .faq-sec--dark .faq-steps__num {
  background: var(--blaze-500);
  color: var(--ink-900);
}
.page-faq .faq-sec--dark .faq-steps__name { color: var(--white-muted); }

.page-faq .faq-body { min-width: 0; }
.page-faq .faq-body > .faq-h2 { margin-top: 0; }

/* ---------- 步骤清单 ---------- */
.page-faq .faq-flow {
  list-style: none;
  margin: 0 0 24px;
  padding: 0;
  border-top: 2px solid var(--ink-900);
}
.page-faq .faq-flow li {
  display: grid;
  grid-template-columns: 74px minmax(0, 1fr);
  gap: 12px;
  align-items: baseline;
  padding: 12px 0;
  border-bottom: 1px solid var(--line-light);
  font-size: 15px;
  line-height: 1.7;
}
.page-faq .faq-flow li .cmp-mono {
  font-size: 11px;
  letter-spacing: .08em;
  color: var(--blaze-500);
}
.page-faq .faq-flow--dark { border-top-color: var(--blaze-500); }
.page-faq .faq-flow--dark li {
  border-bottom-color: var(--line-dark);
  color: var(--field-white);
}

/* ---------- 图 ---------- */
.page-faq .faq-figure {
  margin: 0 0 22px;
}
.page-faq .faq-figure img {
  display: block;
  width: 100%;
  height: auto;
  border: 1px solid var(--line-light);
  background: var(--paper-200);
}
.page-faq .faq-sec--dark .faq-figure img { border-color: var(--line-dark); }
.page-faq .faq-figcaption {
  margin-top: 8px;
  font-family: var(--font-mono);
  font-size: 11px;
  letter-spacing: .06em;
  color: var(--ink-muted);
}
.page-faq .faq-sec--dark .faq-figcaption { color: var(--white-muted); }

/* ---------- 问答折叠 ---------- */
.page-faq .faq-qas { display: block; }
.page-faq .faq-qa {
  border-top: 1px solid var(--line-light);
  scroll-margin-top: 110px;
}
.page-faq .faq-qa:last-child { border-bottom: 1px solid var(--line-light); }
.page-faq .faq-qa summary {
  position: relative;
  display: flex;
  flex-wrap: wrap;
  align-items: baseline;
  gap: 8px 12px;
  padding: 15px 28px 15px 0;
  cursor: pointer;
  list-style: none;
}
.page-faq .faq-qa summary::-webkit-details-marker { display: none; }
.page-faq .faq-qa__code {
  display: inline-block;
  padding: 3px 9px;
  background: var(--ink-900);
  color: var(--field-white);
  font-family: var(--font-mono);
  font-size: 11px;
  letter-spacing: .1em;
  clip-path: polygon(6px 0, 100% 0, calc(100% - 6px) 100%, 0 100%);
}
.page-faq .faq-qa__q {
  flex: 1 1 60%;
  min-width: 0;
  font-size: 16px;
  font-weight: 700;
  line-height: 1.55;
  color: var(--ink-900);
}
.page-faq .faq-qa__ver {
  font-family: var(--font-mono);
  font-size: 11px;
  letter-spacing: .06em;
  color: var(--ink-muted);
  border: 1px solid var(--line-light);
  padding: 2px 6px;
  white-space: nowrap;
}
.page-faq .faq-qa summary::after {
  content: "+";
  position: absolute;
  right: 2px;
  top: 13px;
  font-family: var(--font-mono);
  font-size: 18px;
  line-height: 1;
  color: var(--blaze-500);
}
.page-faq .faq-qa[open] summary::after { content: "−"; }
.page-faq .faq-qa__a {
  margin: 0 0 18px;
  padding-left: 14px;
  border-left: 3px solid var(--army-500);
}
.page-faq .faq-qa__a p {
  margin: 0;
  max-width: 64ch;
  font-size: 15.5px;
  line-height: 1.8;
  color: var(--ink-muted);
}
.page-faq .faq-qa__a a {
  color: var(--army-700);
  text-decoration: underline;
  text-underline-offset: 3px;
}

.page-faq .faq-sec--dark .faq-qa,
.page-faq .faq-sec--dark .faq-qa:last-child { border-color: var(--line-dark); }
.page-faq .faq-sec--dark .faq-qa__code {
  background: var(--blaze-500);
  color: var(--ink-900);
}
.page-faq .faq-sec--dark .faq-qa__q { color: var(--field-white); }
.page-faq .faq-sec--dark .faq-qa__ver {
  color: var(--white-muted);
  border-color: var(--line-dark);
}
.page-faq .faq-sec--dark .faq-qa__a { border-left-color: var(--blaze-500); }
.page-faq .faq-sec--dark .faq-qa__a p { color: var(--white-muted); }
.page-faq .faq-sec--dark .faq-qa__a a { color: var(--blaze-300); }

.page-faq .faq-qas--wide { margin-top: 22px; }

/* ---------- 查询区四组分类 ---------- */
.page-faq .faq-groups {
  display: grid;
  grid-template-columns: minmax(0, 1fr);
  gap: 18px;
  margin-bottom: 8px;
}
.page-faq .faq-group {
  padding-top: 14px;
  border-top: 3px solid var(--ink-900);
}
.page-faq .faq-group__num {
  font-family: var(--font-mono);
  font-size: 11px;
  letter-spacing: .14em;
  color: var(--blaze-500);
}
.page-faq .faq-group__title {
  margin: 8px 0 6px;
  font-size: 17px;
  font-weight: 900;
  letter-spacing: -.01em;
}
.page-faq .faq-group__text {
  margin: 0;
  font-size: 14px;
  line-height: 1.7;
  color: var(--ink-muted);
}

/* ---------- 版本对照 ---------- */
.page-faq .faq-diff {
  border-top: 2px solid var(--ink-900);
  margin-bottom: 4px;
}
.page-faq .faq-diff__row {
  display: grid;
  grid-template-columns: minmax(0, 1fr);
  gap: 8px;
  padding: 16px 0;
  border-bottom: 1px solid var(--line-light);
}
.page-faq .faq-diff__k {
  font-size: 15px;
  font-weight: 900;
}
.page-faq .faq-diff__cell {
  display: flex;
  align-items: flex-start;
  gap: 8px;
  font-size: 14.5px;
  line-height: 1.6;
  color: var(--ink-muted);
}
.page-faq .faq-diff__ver {
  flex: none;
  font-family: var(--font-mono);
  font-size: 11px;
  letter-spacing: .06em;
  padding: 1px 5px;
  border: 1px solid var(--line-light);
  color: var(--ink-muted);
}
.page-faq .faq-diff__cell--new .faq-diff__ver {
  background: var(--blaze-500);
  border-color: var(--blaze-500);
  color: var(--ink-900);
}

/* ---------- 编号档案 ---------- */
.page-faq .faq-record__grid {
  display: grid;
  grid-template-columns: minmax(0, 1fr);
  gap: 26px;
}
.page-faq .faq-changes {
  list-style: none;
  margin: 0;
  padding: 0;
  border-top: 2px solid var(--ink-900);
}
.page-faq .faq-changes li {
  display: grid;
  grid-template-columns: minmax(0, 1fr);
  gap: 6px;
  padding: 14px 0;
  border-bottom: 1px solid var(--line-light);
  font-size: 15px;
  line-height: 1.7;
  color: var(--ink-muted);
}
.page-faq .faq-changes__ver {
  justify-self: start;
  font-family: var(--font-mono);
  font-size: 11px;
  letter-spacing: .1em;
  padding: 2px 7px;
  background: var(--army-700);
  color: var(--field-white);
}
.page-faq .faq-changes a {
  color: var(--ink-900);
  font-family: var(--font-mono);
  font-size: 13px;
  text-decoration: underline;
  text-underline-offset: 3px;
}
.page-faq .faq-record__side {
  padding: 18px;
  background: var(--paper-200);
  border-left: 4px solid var(--army-700);
  font-size: 14.5px;
  line-height: 1.75;
  color: var(--ink-900);
}
.page-faq .faq-record__side p { margin: 0 0 12px; }
.page-faq .faq-record__side p:last-child { margin-bottom: 0; }
.page-faq .faq-record__num {
  font-size: 20px;
  letter-spacing: .06em;
  color: var(--army-700);
}
.page-faq .faq-fine {
  font-size: 13px;
  color: var(--ink-muted);
}
.page-faq .faq-fine a {
  color: var(--ink-900);
  text-decoration: underline;
  text-underline-offset: 3px;
}

/* ---------- 出口 ---------- */
.page-faq .faq-exit__grid {
  display: grid;
  grid-template-columns: minmax(0, 1fr);
  gap: 28px;
}
.page-faq .faq-exit__label {
  margin: 22px 0 4px;
  font-family: var(--font-mono);
  font-size: 11px;
  letter-spacing: .22em;
  color: var(--blaze-300);
}
.page-faq .faq-exit__mail {
  display: inline-block;
  font-family: var(--font-mono);
  font-size: clamp(17px, 2.6vw, 26px);
  line-height: 1.3;
  color: var(--field-white);
  text-decoration: none;
  border-bottom: 2px solid var(--blaze-500);
  word-break: break-all;
}
.page-faq .faq-exit__mail:hover { color: var(--blaze-300); }
.page-faq .faq-exit__phone {
  margin: 0;
  font-family: var(--font-mono);
  font-size: clamp(20px, 3vw, 32px);
  letter-spacing: .04em;
  color: var(--field-white);
}
.page-faq .faq-exit__meta {
  margin: 10px 0 0;
  font-family: var(--font-mono);
  font-size: 12px;
  line-height: 1.8;
  color: var(--white-muted);
}
.page-faq .faq-exit__meta a {
  color: var(--blaze-300);
  text-decoration: underline;
  text-underline-offset: 3px;
}
.page-faq .faq-exit__card {
  padding: 22px 20px;
  background: var(--indigo-800);
  border: 1px solid var(--line-dark);
  border-top: 3px solid var(--blaze-500);
}
.page-faq .faq-exit__title {
  margin: 0 0 12px;
  font-size: 18px;
  font-weight: 900;
  color: var(--field-white);
}
.page-faq .faq-exit__card p {
  margin: 0 0 12px;
  font-size: 14.5px;
  line-height: 1.75;
  color: var(--white-muted);
}
.page-faq .faq-exit__card strong { color: var(--field-white); }
.page-faq .faq-exit__card a:not(.cmp-btn) {
  color: var(--blaze-300);
  text-decoration: underline;
  text-underline-offset: 3px;
}
.page-faq .faq-exit__card .cmp-btn { margin-top: 8px; }

/* ---------- 断点 ---------- */
@media (min-width: 620px) {
  .page-faq .faq-groups { grid-template-columns: repeat(2, minmax(0, 1fr)); }
  .page-faq .faq-changes li { grid-template-columns: 84px minmax(0, 1fr); align-items: baseline; }
}

@media (min-width: 780px) {
  .page-faq .faq-hero__grid {
    grid-template-columns: minmax(0, 1fr) 64px;
    align-items: start;
  }
  .page-faq .faq-hero__note {
    align-items: center;
    align-self: stretch;
    padding-left: 12px;
    border-left: 1px solid var(--line-dark);
  }
  .page-faq .faq-jump { grid-template-columns: repeat(6, minmax(0, 1fr)); }
  .page-faq .faq-picks { grid-template-columns: repeat(3, minmax(0, 1fr)); }
  .page-faq .faq-head { grid-template-columns: minmax(0, 1fr) 110px; }
  .page-faq .faq-head__note { writing-mode: vertical-rl; justify-self: end; }
  .page-faq .faq-diff__row {
    grid-template-columns: .95fr 1fr 1fr;
    gap: 22px;
    align-items: start;
  }
}

@media (min-width: 900px) {
  .page-faq .faq-layout { grid-template-columns: 3fr 9fr; }
  .page-faq .faq-steps {
    position: sticky;
    top: 96px;
    flex-direction: column;
    align-items: flex-start;
    gap: 10px;
    align-self: start;
  }
  .page-faq .faq-steps__line {
    display: block;
    width: 1px;
    flex: 1;
    min-height: 120px;
    margin-left: 31px;
    background: var(--line-light);
  }
  .page-faq .faq-sec--dark .faq-steps__line { background: var(--line-dark); }
  .page-faq .faq-record__grid { grid-template-columns: 1.25fr .75fr; gap: 32px; }
}

@media (min-width: 1024px) {
  .page-faq .faq-groups { grid-template-columns: repeat(4, minmax(0, 1fr)); }
  .page-faq .faq-exit__grid { grid-template-columns: 1.05fr .95fr; gap: 40px; }
}

@media (prefers-reduced-motion: reduce) {
  .page-faq .faq-pick,
  .page-faq .faq-jump__link { transition: none; }
  .page-faq .faq-pick:hover { transform: none; }
}
<<<END>>>