.page-faq {
  background: var(--steel-deep);
  color: var(--paper-warm);
  font-family: var(--font-sans);
  overflow-x: hidden;
}

/* ---------- 面包屑 ---------- */
.page-faq .crumbs {
  display: flex;
  align-items: center;
  gap: 8px;
  flex-wrap: wrap;
  padding: 20px 0 0;
  font-family: var(--font-mono);
  font-size: 12px;
  letter-spacing: 0.08em;
  color: var(--muted-steel);
}
.page-faq .crumbs a {
  color: var(--cyan-dim);
  text-decoration: none;
}
.page-faq .crumbs a:hover {
  color: var(--cyan-signal);
}
.page-faq .crumbs__sep {
  color: var(--line-strong);
}

/* ---------- 封面首屏 ---------- */
.page-faq .faq-hero {
  padding: clamp(26px, 5vw, 54px) 0 clamp(30px, 5vw, 60px);
}
.page-faq .faq-hero__grid {
  display: grid;
  grid-template-columns: 1fr;
  gap: 34px;
}
.page-faq .eyebrow {
  margin: 0 0 18px;
  font-family: var(--font-mono);
  font-size: 12px;
  letter-spacing: 0.22em;
  text-transform: uppercase;
  color: var(--sand-orange);
}
.page-faq .faq-hero__title {
  margin: 0 0 20px;
  font-size: clamp(2.4rem, 7vw, 4.6rem);
  font-weight: 900;
  line-height: 1;
  letter-spacing: -0.02em;
}
.page-faq .faq-hero__lede {
  margin: 0;
  max-width: 46ch;
  font-family: var(--font-serif);
  font-size: clamp(1rem, 1.6vw, 1.2rem);
  line-height: 1.85;
  color: rgba(244, 241, 234, 0.82);
}

.page-faq .faq-facts {
  border: 1px solid var(--line);
  border-radius: var(--radius);
  background: rgba(23, 71, 94, 0.4);
}
.page-faq .faq-facts__head {
  margin: 0;
  padding: 14px 18px;
  border-bottom: 1px solid var(--line);
  font-family: var(--font-mono);
  font-size: 12px;
  letter-spacing: 0.16em;
  text-transform: uppercase;
  color: var(--muted-steel);
}
.page-faq .faq-facts__list {
  margin: 0;
  padding: 0;
  list-style: none;
}
.page-faq .faq-facts__item {
  display: flex;
  flex-wrap: wrap;
  justify-content: space-between;
  gap: 6px 16px;
  padding: 14px 18px;
  border-bottom: 1px solid var(--line);
  font-size: 14px;
}
.page-faq .faq-facts__item:last-child {
  border-bottom: 0;
}
.page-faq .faq-facts__val {
  font-family: var(--font-mono);
  color: var(--cyan-signal);
}

/* ---------- 吸附式问题索引 = 目录 ---------- */
.page-faq .faq-strip {
  position: sticky;
  top: 0;
  z-index: 20;
  background: var(--slate-ink);
  border-top: 1px solid var(--line);
  border-bottom: 1px solid var(--line);
}
.page-faq .faq-strip__inner {
  display: flex;
  overflow-x: auto;
  -webkit-overflow-scrolling: touch;
  scrollbar-width: thin;
}
.page-faq .faq-strip__link {
  display: flex;
  align-items: baseline;
  gap: 10px;
  flex: none;
  padding: 13px 18px;
  border-right: 1px solid var(--line);
  font-size: 13px;
  white-space: nowrap;
  text-decoration: none;
  color: var(--muted-steel);
  transition: color 140ms var(--ease), background-color 140ms var(--ease);
}
.page-faq .faq-strip__link:hover {
  color: var(--paper-warm);
  background: rgba(53, 224, 192, 0.08);
}
.page-faq .faq-strip__code {
  font-family: var(--font-mono);
  font-size: 11px;
  letter-spacing: 0.06em;
  color: var(--cyan-dim);
}

/* ---------- 章节底与栏头 ---------- */
.page-faq .section {
  padding: clamp(44px, 7vw, 92px) 0;
}
.page-faq .section--mid {
  background: var(--steel-mid);
  color: var(--paper-warm);
}
.page-faq .section--paper {
  background: var(--paper-warm);
  color: var(--ink-text);
}
.page-faq .section--ink {
  background: var(--slate-ink);
  color: var(--paper-warm);
}

.page-faq .sec-head {
  display: grid;
  gap: 10px;
  padding-left: 18px;
  border-left: 3px solid var(--cyan-signal);
  margin-bottom: clamp(22px, 3vw, 36px);
}
.page-faq .sec-head__idx {
  margin: 0;
  font-family: var(--font-mono);
  font-size: 12px;
  letter-spacing: 0.16em;
  color: var(--cyan-signal);
}
.page-faq .sec-head__title {
  margin: 0;
  font-size: clamp(1.5rem, 3vw, 2.3rem);
  font-weight: 900;
  line-height: 1.22;
  letter-spacing: -0.01em;
}
.page-faq .sec-head__note {
  margin: 0;
  font-family: var(--font-mono);
  font-size: 12px;
  letter-spacing: 0.05em;
  color: var(--muted-steel);
}
.page-faq .section--paper .sec-head {
  border-left-color: var(--sand-orange);
}
.page-faq .section--paper .sec-head__idx {
  color: var(--sand-orange);
}
.page-faq .section--paper .sec-head__note {
  color: #5c6a73;
}

/* ---------- 正文 ---------- */
.page-faq .prose {
  max-width: 68ch;
  margin: 0 0 18px;
  font-size: 16.5px;
  line-height: 1.75;
  color: rgba(244, 241, 234, 0.86);
}
.page-faq .prose:last-child {
  margin-bottom: 0;
}
.page-faq .muted {
  color: var(--muted-steel);
  font-size: 15px;
}
.page-faq .section--paper .prose {
  color: #2c353c;
}
.page-faq .section--paper .muted {
  color: #5c6a73;
}
.page-faq .prose a {
  color: var(--cyan-signal);
  text-decoration: none;
  border-bottom: 1px solid rgba(53, 224, 192, 0.45);
}
.page-faq .section--paper .prose a {
  color: #14625a;
  border-bottom-color: rgba(31, 164, 143, 0.5);
}

/* ---------- 非对称分栏 ---------- */
.page-faq .faq-split {
  display: grid;
  grid-template-columns: 1fr;
  gap: clamp(24px, 4vw, 44px);
}

/* ---------- 响应时限对照表 ---------- */
.page-faq .table-wrap {
  overflow-x: auto;
  border: 1px solid var(--line-strong);
  border-radius: var(--radius);
  background: rgba(10, 26, 36, 0.35);
}
.page-faq .section--paper .table-wrap {
  background: #fbfaf6;
  border-color: var(--line-dark);
}
.page-faq .dtable {
  width: 100%;
  min-width: 480px;
  border-collapse: collapse;
  font-size: 14px;
}
.page-faq .dtable th {
  padding: 12px 14px;
  background: var(--slate-ink);
  color: var(--paper-warm);
  font-size: 12px;
  font-weight: 600;
  letter-spacing: 0.1em;
  text-transform: uppercase;
  text-align: left;
  white-space: nowrap;
}
.page-faq .dtable td {
  padding: 13px 14px;
  border-top: 1px solid var(--line);
  vertical-align: top;
}
.page-faq .dtable td:first-child {
  font-family: var(--font-mono);
  letter-spacing: 0.06em;
}
.page-faq .dtable tbody tr {
  transition: background-color 140ms var(--ease);
}
.page-faq .dtable tbody tr:hover {
  background: rgba(53, 224, 192, 0.1);
}
.page-faq .section--paper .dtable td {
  border-top-color: var(--line-dark);
  color: var(--ink-text);
}
.page-faq .z-sd td:first-child {
  border-left: 3px solid var(--cyan-signal);
}
.page-faq .z-hb td:first-child {
  border-left: 3px solid var(--electric-blue);
}
.page-faq .z-hd td:first-child {
  border-left: 3px solid var(--cyan-dim);
}
.page-faq .z-hn td:first-child {
  border-left: 3px solid var(--sand-soft);
}
.page-faq .z-xw td:first-child {
  border-left: 3px solid var(--violet-signal);
}

/* ---------- 段位条带 ---------- */
.page-faq .band {
  margin-bottom: 18px;
  padding-bottom: 4px;
  border: 1px solid var(--line-strong);
  border-radius: var(--radius);
  background: rgba(23, 71, 94, 0.32);
}
.page-faq .band--cycle6 {
  border-top: 3px solid var(--cyan-signal);
}
.page-faq .band--cycle12 {
  border-top: 3px solid var(--sand-orange);
}
.page-faq .band__head {
  display: flex;
  flex-wrap: wrap;
  justify-content: space-between;
  gap: 8px;
  padding: 14px 18px;
  border-bottom: 1px solid var(--line);
  font-family: var(--font-mono);
  font-size: 12px;
  letter-spacing: 0.12em;
  text-transform: uppercase;
  color: var(--muted-steel);
}
.page-faq .band__val {
  color: var(--paper-warm);
  letter-spacing: 0.06em;
}
.page-faq .band__letters {
  display: flex;
  flex-wrap: wrap;
  gap: 8px;
  margin: 0;
  padding: 18px;
  list-style: none;
}
.page-faq .band__letter {
  padding: 8px 12px;
  border: 1px solid var(--line-strong);
  border-radius: 2px;
  background: rgba(10, 26, 36, 0.4);
  font-family: var(--font-mono);
  font-size: 14px;
  color: var(--paper-warm);
}
.page-faq .band--cycle6 .band__letter {
  border-color: rgba(53, 224, 192, 0.45);
}
.page-faq .band--cycle12 .band__letter {
  border-color: rgba(228, 118, 43, 0.5);
}

/* ---------- 图版 ---------- */
.page-faq .media {
  margin: 0;
}
.page-faq .media--3x2 {
  overflow: hidden;
  aspect-ratio: 3 / 2;
  border: 1px solid var(--line-strong);
  border-radius: var(--radius);
}
.page-faq .media--3x2 img {
  display: block;
  width: 100%;
  height: 100%;
  object-fit: cover;
}
.page-faq .media__cap {
  display: block;
  padding: 10px 0 0;
  font-family: var(--font-mono);
  font-size: 12px;
  letter-spacing: 0.04em;
  color: var(--muted-steel);
}
.page-faq .section--paper .media__cap {
  color: #5c6a73;
}

/* ---------- 专利族对照行 ---------- */
.page-faq .map-list {
  margin: 0;
  padding: 0;
  list-style: none;
  border-top: 1px solid var(--line);
}
.page-faq .map-item {
  display: grid;
  grid-template-columns: 14px minmax(0, 1fr);
  gap: 6px 18px;
  align-items: start;
  padding: 20px 0;
  border-bottom: 1px solid var(--line);
}
.page-faq .map-item__bar {
  grid-row: span 3;
  width: 14px;
  height: 100%;
  min-height: 44px;
  border-radius: 2px;
}
.page-faq .map-item__code {
  font-family: var(--font-mono);
  font-size: 14px;
  letter-spacing: 0.08em;
  color: var(--paper-warm);
}
.page-faq .map-item__name {
  font-size: 15px;
  color: rgba(244, 241, 234, 0.92);
}
.page-faq .map-item__line {
  font-size: 14px;
  color: var(--muted-steel);
}
.page-faq .map-item--pf01 .map-item__bar {
  background: var(--cyan-signal);
}
.page-faq .map-item--pf02 .map-item__bar {
  background: var(--electric-blue);
}
.page-faq .map-item--pf03 .map-item__bar {
  background: var(--sand-soft);
}
.page-faq .map-item--pf04 .map-item__bar {
  background: var(--violet-signal);
}

/* ---------- 折叠问答 ---------- */
.page-faq .qa-list {
  border-top: 1px solid var(--line-strong);
}
.page-faq .qa {
  border-bottom: 1px solid var(--line);
}
.page-faq .qa__summary {
  display: flex;
  align-items: baseline;
  gap: 14px;
  padding: 18px 0;
  font-size: 16px;
  font-weight: 600;
  color: var(--paper-warm);
  cursor: pointer;
  list-style: none;
  transition: color 140ms var(--ease);
}
.page-faq .qa__summary::-webkit-details-marker {
  display: none;
}
.page-faq .qa__summary:hover {
  color: var(--cyan-signal);
}
.page-faq .qa__code {
  flex: none;
  font-family: var(--font-mono);
  font-size: 12px;
  letter-spacing: 0.08em;
  color: var(--cyan-dim);
}
.page-faq .qa__toggle {
  flex: none;
  margin-left: auto;
  font-family: var(--font-mono);
  font-size: 16px;
  color: var(--muted-steel);
}
.page-faq .qa__toggle::after {
  content: "+";
}
.page-faq .qa[open] .qa__summary {
  color: var(--cyan-signal);
}
.page-faq .qa[open] .qa__toggle::after {
  content: "−";
}
.page-faq .qa__body {
  max-width: 68ch;
  padding: 0 0 22px;
  font-size: 15.5px;
  line-height: 1.75;
  color: rgba(244, 241, 234, 0.82);
}

/* ---------- 提示条 ---------- */
.page-faq .faq-callout {
  margin-top: 30px;
  padding: 22px 22px 24px;
  border-left: 3px solid var(--sand-orange);
  border-radius: var(--radius);
  background: rgba(10, 26, 36, 0.5);
}
.page-faq .callout__idx {
  margin: 0 0 12px;
  font-family: var(--font-mono);
  font-size: 12px;
  letter-spacing: 0.14em;
  text-transform: uppercase;
  color: var(--sand-orange);
}
.page-faq .faq-callout p {
  margin: 0 0 10px;
  font-size: 15px;
  line-height: 1.75;
  color: rgba(244, 241, 234, 0.85);
}
.page-faq .faq-callout p:last-child {
  margin-bottom: 0;
}
.page-faq .faq-callout .contact-line {
  font-family: var(--font-mono);
  font-size: 13px;
  color: var(--paper-warm);
}
.page-faq .faq-callout a {
  color: var(--cyan-signal);
  text-decoration: none;
  border-bottom: 1px solid rgba(53, 224, 192, 0.45);
}
.page-faq .faq-callout .muted {
  font-size: 13.5px;
  color: var(--muted-steel);
}

/* ---------- 焦点态 ---------- */
.page-faq a:focus-visible,
.page-faq summary:focus-visible {
  outline: 2px solid var(--electric-blue);
  outline-offset: 3px;
}

/* ---------- 桌面栅格 ---------- */
@media (min-width: 760px) {
  .page-faq .faq-hero__grid {
    grid-template-columns: minmax(0, 7fr) minmax(0, 5fr);
    gap: 48px;
    align-items: start;
  }
  .page-faq .faq-split--4-8 {
    grid-template-columns: minmax(0, 4fr) minmax(0, 8fr);
  }
  .page-faq .faq-split--7-5 {
    grid-template-columns: minmax(0, 7fr) minmax(0, 5fr);
  }
  .page-faq .map-item {
    grid-template-columns: 14px minmax(0, 2fr) minmax(0, 3fr) minmax(0, 5fr);
    align-items: center;
  }
  .page-faq .map-item__bar {
    grid-row: auto;
    height: 46px;
  }
  .page-faq .qa__body {
    padding-left: 44px;
  }
}

@media (min-width: 1180px) {
  .page-faq .faq-hero__main {
    padding-right: 24px;
  }
  .page-faq .faq-facts {
    align-self: start;
  }
}

@media (prefers-reduced-motion: reduce) {
  .page-faq .faq-strip__link,
  .page-faq .dtable tbody tr,
  .page-faq .qa__summary {
    transition: none;
  }
}
</｜｜DSML｜｜ parameter>
</｜｜DSML｜｜ invoke>
</invoke>
</parameter>