.page-faq {
  --faq-rail-w: 252px;
  background: var(--paper);
}

/* ---------- 首屏 ---------- */
.page-faq .faq-hero {
  position: relative;
  isolation: isolate;
  overflow: hidden;
  padding: 30px 0 30px;
  background: linear-gradient(158deg, var(--ink) 0%, var(--ink-2) 58%, #14365f 100%);
  color: var(--paper);
}

.page-faq .faq-hero::before {
  content: "";
  position: absolute;
  inset: 0;
  z-index: -1;
  background-image: repeating-linear-gradient(118deg, rgba(255, 255, 255, .05) 0 1px, transparent 1px 10px);
  pointer-events: none;
}

.page-faq .faq-hero::after {
  content: "";
  position: absolute;
  top: -150px;
  right: -130px;
  z-index: -1;
  width: 420px;
  height: 420px;
  border-radius: 50%;
  background: radial-gradient(circle at 32% 32%, rgba(0, 196, 140, .34), transparent 68%);
  pointer-events: none;
}

.page-faq .faq-hero .breadcrumbs {
  margin-bottom: 18px;
}

.page-faq .faq-hero .breadcrumbs-list {
  display: flex;
  flex-wrap: wrap;
  gap: 8px;
  margin: 0;
  padding: 0;
  list-style: none;
  font-size: 13px;
  color: rgba(233, 238, 245, .62);
}

.page-faq .faq-hero .breadcrumbs-list a {
  color: rgba(233, 238, 245, .78);
  text-decoration: none;
}

.page-faq .faq-hero .breadcrumbs-list a:hover {
  color: var(--green);
}

.page-faq .faq-hero .breadcrumbs-list li + li::before {
  content: "/";
  margin-right: 8px;
  color: rgba(233, 238, 245, .38);
}

.page-faq .faq-hero-grid {
  display: grid;
  grid-template-columns: 1fr;
  gap: 24px;
}

.page-faq .faq-hero .eyebrow {
  color: var(--amber);
  margin: 0 0 12px;
  font-family: var(--font-mono);
  font-size: 12px;
  letter-spacing: .2em;
  text-transform: uppercase;
}

.page-faq .faq-hero .display-title {
  margin: 0 0 16px;
  max-width: 20ch;
  color: var(--paper);
  font-family: var(--font-serif);
  font-size: clamp(30px, 7.2vw, 54px);
  line-height: 1.14;
  font-weight: 700;
  letter-spacing: .01em;
}

.page-faq .faq-hero .lede {
  margin: 0;
  max-width: 62ch;
  color: rgba(233, 238, 245, .84);
  font-size: 16px;
  line-height: 1.85;
}

.page-faq .faq-hero-side {
  align-self: start;
  padding: 16px 18px 18px;
  border: 1px solid rgba(233, 238, 245, .2);
  border-left: 4px solid var(--amber);
  border-radius: var(--radius-md);
  background: rgba(233, 238, 245, .07);
}

.page-faq .faq-hero-side-note {
  margin: 10px 0 0;
  font-size: 13px;
  line-height: 1.7;
  color: rgba(233, 238, 245, .72);
}

/* ---------- 场景胶囊 ---------- */
.page-faq .scene-chips {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  gap: 9px;
  margin-top: 26px;
  padding-top: 20px;
  border-top: 1px solid rgba(233, 238, 245, .18);
}

.page-faq .scene-chips-label {
  margin-right: 4px;
  font-family: var(--font-mono);
  font-size: 12px;
  letter-spacing: .16em;
  color: var(--amber);
  white-space: nowrap;
}

.page-faq .scene-chips .chip {
  display: inline-block;
  padding: 7px 14px;
  border: 1px solid rgba(233, 238, 245, .28);
  border-radius: var(--pill);
  background: rgba(233, 238, 245, .06);
  color: var(--paper);
  font-size: 13px;
  line-height: 1.5;
  text-decoration: none;
  transition: background .18s ease, border-color .18s ease, color .18s ease;
}

.page-faq .scene-chips .chip:hover,
.page-faq .scene-chips .chip:focus-visible {
  background: var(--green);
  border-color: var(--green);
  color: var(--ink);
}

/* ---------- 主体布局 ---------- */
.page-faq .faq-layout {
  display: grid;
  grid-template-columns: 1fr;
  gap: 26px;
  padding-top: 28px;
  padding-bottom: 64px;
}

.page-faq .faq-rail {
  min-width: 0;
  padding: 14px 14px 16px;
  border: 1px solid var(--line);
  border-radius: var(--radius-md);
  background: var(--silver);
}

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

.page-faq .faq-index {
  display: flex;
  gap: 8px;
  margin: 0;
  padding: 0 0 4px;
  list-style: none;
  overflow-x: auto;
  scrollbar-width: thin;
  -webkit-overflow-scrolling: touch;
}

.page-faq .faq-index > li {
  flex: 0 0 auto;
}

.page-faq .faq-index a {
  display: flex;
  align-items: center;
  gap: 8px;
  padding: 8px 13px;
  border: 1px solid var(--line);
  border-radius: var(--pill);
  background: var(--paper);
  color: var(--ink);
  font-size: 13px;
  line-height: 1.5;
  white-space: nowrap;
  text-decoration: none;
  transition: border-color .18s ease, background .18s ease, color .18s ease;
}

.page-faq .faq-index a .idx-code {
  font-family: var(--font-mono);
  font-size: 11px;
  letter-spacing: .08em;
  color: var(--green-deep);
}

.page-faq .faq-index a:hover,
.page-faq .faq-index a:focus-visible {
  border-color: var(--ink-2);
  background: var(--paper);
}

.page-faq .faq-body {
  min-width: 0;
}

/* ---------- 分组标题 ---------- */
.page-faq .faq-group {
  margin-bottom: 42px;
  scroll-margin-top: calc(var(--header-h) + 18px);
}

.page-faq .faq-group:last-child {
  margin-bottom: 0;
}

.page-faq .faq-group-head {
  display: flex;
  gap: 14px;
  align-items: flex-start;
  margin-bottom: 18px;
  padding-bottom: 14px;
  border-bottom: 2px solid var(--ink);
}

.page-faq .faq-group-code {
  flex: 0 0 auto;
  padding: 3px 10px;
  border-radius: var(--radius-sm);
  background: var(--ink);
  color: var(--paper);
  font-family: var(--font-mono);
  font-size: 13px;
  letter-spacing: .1em;
  line-height: 1.5;
}

.page-faq .faq-group-title {
  margin: 0 0 6px;
  font-family: var(--font-serif);
  font-size: clamp(21px, 4.6vw, 27px);
  line-height: 1.3;
  font-weight: 700;
  color: var(--ink);
}

.page-faq .faq-group-note {
  margin: 0;
  font-size: 14px;
  line-height: 1.75;
  color: var(--muted);
}

/* ---------- 折叠问答 ---------- */
.page-faq .qa {
  margin-bottom: 12px;
  border: 1px solid var(--line);
  border-radius: var(--radius-md);
  background: var(--paper);
  overflow: hidden;
  scroll-margin-top: calc(var(--header-h) + 16px);
  transition: border-color .16s ease, box-shadow .16s ease;
}

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

.page-faq .qa[open] {
  border-color: var(--ink-2);
  box-shadow: var(--shadow-card);
}

.page-faq .qa > summary {
  display: flex;
  align-items: flex-start;
  gap: 12px;
  padding: 15px 16px;
  cursor: pointer;
  list-style: none;
  font-size: 15.5px;
  font-weight: 600;
  line-height: 1.6;
  color: var(--ink);
  transition: background .16s ease;
}

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

.page-faq .qa > summary:hover {
  background: var(--silver);
}

.page-faq .qa[open] > summary {
  background: var(--silver);
}

.page-faq .qa-num {
  flex: 0 0 auto;
  padding: 2px 8px;
  border-radius: var(--radius-sm);
  background: var(--green-soft);
  color: var(--green-deep);
  font-family: var(--font-mono);
  font-size: 12px;
  line-height: 1.6;
}

.page-faq .qa-text {
  flex: 1 1 auto;
  min-width: 0;
}

.page-faq .qa-icon {
  position: relative;
  flex: 0 0 auto;
  width: 18px;
  height: 18px;
  margin-top: 4px;
}

.page-faq .qa-icon::before,
.page-faq .qa-icon::after {
  content: "";
  position: absolute;
  background: var(--ink-2);
  border-radius: 2px;
}

.page-faq .qa-icon::before {
  left: 0;
  top: 8px;
  width: 18px;
  height: 2px;
}

.page-faq .qa-icon::after {
  left: 8px;
  top: 0;
  width: 2px;
  height: 18px;
  transition: transform .2s ease, opacity .2s ease;
}

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

.page-faq .qa-a {
  padding: 14px 16px 18px;
  border-top: 1px solid var(--line);
  font-size: 15px;
  line-height: 1.88;
  color: #2b3f59;
}

.page-faq .qa-a p {
  margin: 0;
}

.page-faq .qa-a .link-underline {
  color: var(--ink-2);
  font-weight: 600;
}

.page-faq .num-mark,
.page-faq .ref-code {
  display: inline-block;
  padding: 1px 6px;
  border-radius: 6px;
  background: var(--silver);
  color: var(--ink);
  font-family: var(--font-mono);
  font-size: .94em;
  white-space: nowrap;
}

.page-faq .ref-code {
  background: var(--amber-soft);
  color: var(--ink);
}

/* ---------- 图示 ---------- */
.page-faq .faq-figure {
  margin: 22px 0 0;
}

.page-faq .faq-figure .media-caption {
  margin-top: 8px;
  font-size: 13px;
  line-height: 1.7;
  color: var(--muted);
}

/* ---------- 收尾 ---------- */
.page-faq .faq-help {
  padding: 44px 0 56px;
  border-top: 4px solid var(--amber);
  background: linear-gradient(150deg, var(--ink) 0%, var(--ink-2) 100%);
  color: var(--paper);
}

.page-faq .help-grid {
  display: grid;
  grid-template-columns: 1fr;
  gap: 26px;
}

.page-faq .eyebrow--onink {
  margin: 0 0 12px;
  padding-left: 16px;
  position: relative;
  font-family: var(--font-mono);
  font-size: 12px;
  letter-spacing: .2em;
  color: var(--amber);
}

.page-faq .eyebrow--onink::before {
  content: "";
  position: absolute;
  left: 0;
  top: 50%;
  width: 10px;
  height: 2px;
  background: var(--green);
  transform: translateY(-50%);
}

.page-faq .help-title {
  margin: 0 0 14px;
  max-width: 24ch;
  font-family: var(--font-serif);
  font-size: clamp(23px, 5.4vw, 34px);
  line-height: 1.28;
  font-weight: 700;
  color: var(--paper);
}

.page-faq .help-lede {
  margin: 0 0 12px;
  max-width: 56ch;
  font-size: 15px;
  line-height: 1.85;
  color: rgba(233, 238, 245, .82);
}

.page-faq .help-lede:last-child {
  margin-bottom: 0;
}

.page-faq .help-card {
  padding: 20px 20px 22px;
  border: 1px solid rgba(233, 238, 245, .2);
  border-radius: var(--radius-lg);
  background: rgba(233, 238, 245, .08);
}

.page-faq .help-list {
  margin: 0;
  display: grid;
  gap: 14px;
}

.page-faq .help-list > div {
  padding-bottom: 12px;
  border-bottom: 1px solid rgba(233, 238, 245, .16);
}

.page-faq .help-list > div:last-child {
  padding-bottom: 0;
  border-bottom: 0;
}

.page-faq .help-list dt {
  margin-bottom: 4px;
  font-family: var(--font-mono);
  font-size: 11px;
  letter-spacing: .16em;
  color: var(--green);
}

.page-faq .help-list dd {
  margin: 0;
  font-size: 15px;
  line-height: 1.7;
  color: var(--paper);
  word-break: break-word;
}

.page-faq .help-list dd.num {
  font-family: var(--font-mono);
  letter-spacing: .04em;
}

.page-faq .help-list .link-underline {
  color: var(--paper);
}

.page-faq .help-foot {
  margin: 18px 0 0;
  font-size: 13.5px;
  line-height: 1.8;
  color: rgba(233, 238, 245, .74);
}

.page-faq .faq-help .link-underline {
  color: var(--amber);
  text-decoration: none;
  border-bottom: 1px solid rgba(255, 176, 32, .5);
}

.page-faq .faq-help .link-underline:hover {
  border-bottom-color: var(--amber);
}

/* ---------- 响应式 ---------- */
@media (min-width: 700px) {
  .page-faq .faq-hero {
    padding: 44px 0 38px;
  }

  .page-faq .qa > summary {
    padding: 17px 20px;
    font-size: 16px;
  }

  .page-faq .qa-a {
    padding: 16px 20px 20px;
  }
}

@media (min-width: 900px) {
  .page-faq .faq-hero-grid {
    grid-template-columns: minmax(0, 1.65fr) minmax(0, 1fr);
    gap: 40px;
    align-items: start;
  }

  .page-faq .help-grid {
    grid-template-columns: minmax(0, 1.2fr) minmax(0, 1fr);
    gap: 46px;
    align-items: start;
  }

  .page-faq .faq-layout {
    grid-template-columns: var(--faq-rail-w) minmax(0, 1fr);
    gap: 44px;
    padding-top: 40px;
    padding-bottom: 84px;
  }

  .page-faq .faq-rail {
    position: sticky;
    top: calc(var(--header-h) + 20px);
    padding: 18px 16px 20px;
  }

  .page-faq .faq-index {
    flex-direction: column;
    gap: 2px;
    overflow: visible;
    padding-bottom: 0;
  }

  .page-faq .faq-index > li {
    flex: initial;
  }

  .page-faq .faq-index a {
    padding: 10px 12px;
    border: 0;
    border-left: 3px solid transparent;
    border-radius: var(--radius-sm);
    background: transparent;
    white-space: normal;
  }

  .page-faq .faq-index a:hover,
  .page-faq .faq-index a:focus-visible {
    border-left-color: var(--green);
    background: var(--paper);
  }

  .page-faq .scene-chips {
    margin-top: 32px;
    padding-top: 22px;
  }
}
</｜｜DSML｜｜ parameter>
</｜｜DSML｜｜ invoke>
</｜｜DSML｜｜ calls>