.page-faq {
  --faq-gap: clamp(30px, 5vw, 68px);
  --faq-edge: rgba(242, 237, 227, .28);
  --faq-clay-soft: #D9846B;
}

/* ---------- 面包屑 ---------- */
.page-faq .crumb {
  margin-bottom: clamp(20px, 4vw, 36px);
}

.page-faq .crumb-list {
  display: flex;
  flex-wrap: wrap;
  gap: 6px;
  margin: 0;
  padding: 0;
  list-style: none;
  font-family: var(--mono);
  font-size: 12px;
  letter-spacing: .08em;
  color: var(--rock);
}

.page-faq .crumb-list li {
  display: flex;
  align-items: center;
  gap: 6px;
}

.page-faq .crumb-list li + li::before {
  content: "/";
  color: var(--moss);
}

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

.page-faq .crumb-list a:hover,
.page-faq .crumb-list a:focus-visible {
  text-decoration: underline;
  text-underline-offset: 3px;
}

/* ---------- 页头 ---------- */
.page-faq .faq-head {
  display: grid;
  gap: clamp(16px, 3vw, 26px);
  padding-bottom: var(--faq-gap);
  border-bottom: 2px solid var(--line-strong);
}

.page-faq .eyebrow {
  margin: 0;
  font-family: var(--mono);
  font-size: 12px;
  letter-spacing: .18em;
  text-transform: uppercase;
  color: var(--orange);
}

.page-faq .faq-head h1 {
  margin: 0;
  max-width: 20ch;
  font-family: var(--serif);
  font-weight: 700;
  font-size: clamp(30px, 5.4vw, 52px);
  line-height: 1.15;
  letter-spacing: -.01em;
  color: var(--hot);
}

.page-faq .faq-lede {
  margin: 0;
  max-width: 64ch;
  font-size: clamp(16px, 1.6vw, 18px);
  line-height: 1.8;
  color: var(--bone);
}

.page-faq .faq-head-meta {
  display: grid;
  gap: 12px;
  margin: 0;
  padding: 0;
  list-style: none;
  font-size: 14px;
  color: var(--rock);
}

@media (min-width: 760px) {
  .page-faq .faq-head-meta {
    grid-template-columns: repeat(3, minmax(0, 1fr));
    gap: 18px;
  }
}

.page-faq .faq-head-meta li {
  padding-left: 12px;
  border-left: 2px solid var(--moss);
  line-height: 1.6;
}

.page-faq .faq-head-meta .mono {
  display: inline-block;
  margin-right: 6px;
  font-family: var(--mono);
  font-size: 22px;
  font-weight: 700;
  color: var(--hot);
  line-height: 1;
}

/* ---------- 目录 ---------- */
.page-faq .faq-toc {
  margin-top: var(--faq-gap);
  padding: clamp(18px, 3vw, 28px);
  background: var(--corridor);
  border: 2px solid var(--line-strong);
  box-shadow: var(--shadow-hard);
}

.page-faq .faq-toc-title {
  margin: 0 0 14px;
  font-family: var(--mono);
  font-size: 12px;
  letter-spacing: .16em;
  text-transform: uppercase;
  color: var(--amber);
}

.page-faq .faq-toc ol {
  display: grid;
  gap: 2px;
  margin: 0;
  padding: 0;
  list-style: none;
}

@media (min-width: 780px) {
  .page-faq .faq-toc ol {
    grid-template-columns: repeat(2, minmax(0, 1fr));
    column-gap: 30px;
  }
}

.page-faq .faq-toc a {
  display: grid;
  grid-template-columns: auto minmax(0, 1fr);
  align-items: baseline;
  gap: 12px;
  padding: 11px 2px;
  border-bottom: 1px solid var(--line);
  font-size: 15px;
  line-height: 1.5;
  color: var(--bone);
  text-decoration: none;
  transition: color .18s var(--ease), padding-left .18s var(--ease);
}

.page-faq .faq-toc a:hover,
.page-faq .faq-toc a:focus-visible {
  color: var(--cyan);
  padding-left: 10px;
}

.page-faq .toc-num {
  font-family: var(--mono);
  font-size: 13px;
  color: var(--orange);
}

/* ---------- 区块骨架 ---------- */
.page-faq .faq-block {
  margin-top: var(--faq-gap);
  scroll-margin-top: 96px;
}

.page-faq .block-head {
  display: flex;
  align-items: baseline;
  gap: 14px;
  margin-bottom: clamp(18px, 3vw, 28px);
  padding-bottom: 12px;
  border-bottom: 2px solid var(--line-strong);
}

.page-faq .block-num {
  font-family: var(--mono);
  font-size: clamp(24px, 3.2vw, 34px);
  font-weight: 700;
  line-height: 1;
  color: var(--orange);
}

.page-faq .block-head h2 {
  margin: 0;
  font-family: var(--serif);
  font-weight: 600;
  font-size: clamp(21px, 3vw, 30px);
  line-height: 1.3;
  color: var(--hot);
}

.page-faq .manual {
  display: grid;
  grid-template-columns: minmax(0, 1fr);
  gap: clamp(20px, 3.4vw, 36px);
}

@media (min-width: 960px) {
  .page-faq .manual {
    grid-template-columns: minmax(0, 1.42fr) minmax(0, 1fr);
  }
}

.page-faq .manual-aside {
  display: grid;
  gap: 16px;
  align-content: start;
}

/* ---------- 步骤 ---------- */
.page-faq .steps {
  display: grid;
  gap: 12px;
}

.page-faq .step {
  background: var(--corridor);
  border: 2px solid var(--faq-edge);
  box-shadow: var(--shadow-hard-sm);
}

.page-faq .step > summary {
  display: grid;
  grid-template-columns: auto minmax(0, 1fr) auto;
  align-items: center;
  gap: 14px;
  padding: 14px 16px;
  cursor: pointer;
  list-style: none;
  color: var(--bone);
}

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

.page-faq .step > summary:focus-visible {
  outline: 2px solid var(--orange);
  outline-offset: 2px;
}

.page-faq .step-idx {
  display: grid;
  place-items: center;
  width: 32px;
  height: 32px;
  flex: none;
  border-radius: 50%;
  background: var(--orange);
  color: var(--night);
  font-family: var(--mono);
  font-size: 16px;
  font-weight: 700;
}

.page-faq .step-title {
  margin: 0;
  font-family: var(--sans);
  font-size: 16px;
  font-weight: 600;
  line-height: 1.5;
  color: var(--bone);
}

.page-faq .step-caret {
  width: 10px;
  height: 10px;
  border-right: 2px solid var(--cyan);
  border-bottom: 2px solid var(--cyan);
  transform: rotate(45deg);
  transition: transform .2s var(--ease);
}

.page-faq .step[open] .step-caret {
  transform: rotate(-135deg);
}

.page-faq .step-body {
  padding: 0 16px 16px 62px;
  font-size: 15px;
  line-height: 1.78;
  color: var(--rock);
}

.page-faq .step-body p {
  margin: 0;
}

.page-faq .step-body p + p {
  margin-top: 8px;
}

/* ---------- 旁注卡 ---------- */
.page-faq .aside-card {
  padding: 16px 18px;
  background: rgba(16, 50, 42, .65);
  border: 2px solid var(--line);
  border-left: 5px solid var(--clay);
}

.page-faq .aside-card h3 {
  margin: 0 0 10px;
  font-family: var(--mono);
  font-size: 12px;
  letter-spacing: .14em;
  text-transform: uppercase;
  color: var(--faq-clay-soft);
}

.page-faq .aside-card ul {
  margin: 0;
  padding-left: 18px;
  font-size: 14px;
  line-height: 1.75;
  color: var(--rock);
}

.page-faq .aside-card li + li {
  margin-top: 6px;
}

/* ---------- 提示条 ---------- */
.page-faq .tipbar {
  display: grid;
  grid-template-columns: auto minmax(0, 1fr);
  gap: 14px;
  align-items: start;
  margin-top: clamp(20px, 3vw, 30px);
  padding: 16px 20px;
  background: rgba(255, 194, 75, .12);
  border: 2px solid rgba(255, 194, 75, .38);
  border-left: 6px solid var(--amber);
  font-size: 15px;
  line-height: 1.75;
  color: var(--bone);
}

.page-faq .tipbar::before {
  content: "提示";
  padding-top: 4px;
  font-family: var(--mono);
  font-size: 11px;
  letter-spacing: .16em;
  color: var(--amber);
}

/* ---------- 界面示意 ---------- */
.page-faq .shot {
  margin: 0;
  background: var(--corridor);
  border: 2px solid var(--faq-edge);
  box-shadow: var(--shadow-hard-sm);
}

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

.page-faq .shot figcaption {
  padding: 12px 16px;
  border-top: 2px solid var(--line);
  font-size: 13px;
  line-height: 1.65;
  color: var(--rock);
}

/* ---------- 筛选演示 ---------- */
.page-faq .demo {
  margin-top: 18px;
  padding: 18px;
  background: rgba(11, 31, 26, .85);
  border: 2px solid var(--faq-edge);
  box-shadow: var(--shadow-hard-sm);
}

.page-faq .demo-title {
  margin: 0 0 14px;
  font-size: 14px;
  line-height: 1.6;
  color: var(--rock);
}

.page-faq .demo-row {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  gap: 8px;
  margin-bottom: 10px;
}

.page-faq .demo-row > span {
  min-width: 44px;
  font-family: var(--mono);
  font-size: 12px;
  letter-spacing: .1em;
  color: var(--moss);
}

.page-faq .demo input {
  position: absolute;
  width: 1px;
  height: 1px;
  opacity: 0;
}

.page-faq .demo label {
  padding: 6px 14px;
  background: var(--corridor);
  border: 2px solid var(--faq-edge);
  font-size: 14px;
  line-height: 1.4;
  color: var(--rock);
  cursor: pointer;
  transition: background .16s var(--ease), border-color .16s var(--ease), color .16s var(--ease);
}

.page-faq .demo label:hover {
  border-color: var(--cyan);
  color: var(--bone);
}

.page-faq .demo input:checked + label {
  background: var(--moss);
  border-color: var(--moss);
  color: var(--hot);
}

.page-faq .demo input:focus-visible + label {
  outline: 2px solid var(--orange);
  outline-offset: 2px;
}

.page-faq .demo-out {
  margin: 14px 0 0;
  padding-top: 12px;
  border-top: 1px dashed var(--line-strong);
  font-size: 14px;
  line-height: 1.7;
  color: var(--hot);
  min-height: 26px;
}

.page-faq .demo-out-item {
  display: none;
}

.page-faq .demo:has(#fd-sat:checked):has(#fr-r1:checked) .demo-out-item[data-when="sat-r1"],
.page-faq .demo:has(#fd-sat:checked):has(#fr-r2:checked) .demo-out-item[data-when="sat-r2"],
.page-faq .demo:has(#fd-sun:checked):has(#fr-r1:checked) .demo-out-item[data-when="sun-r1"],
.page-faq .demo:has(#fd-sun:checked):has(#fr-r2:checked) .demo-out-item[data-when="sun-r2"] {
  display: block;
}

/* ---------- 曲线卡 ---------- */
.page-faq .curve-card {
  padding: 18px;
  background: var(--corridor);
  border: 2px solid var(--faq-edge);
  box-shadow: var(--shadow-hard-sm);
}

.page-faq .curve-card-title {
  margin: 0 0 10px;
  font-family: var(--mono);
  font-size: 12px;
  letter-spacing: .14em;
  text-transform: uppercase;
  color: var(--moss);
}

.page-faq .curve-svg {
  display: block;
  width: 100%;
  max-width: 100%;
  height: auto;
}

.page-faq .curve-ticks text {
  font-family: var(--mono);
}

.page-faq .curve-a,
.page-faq .curve-b {
  stroke-dasharray: 620;
  stroke-dashoffset: 620;
  animation: faq-curve-draw 1.5s var(--ease) forwards;
}

.page-faq .curve-b {
  animation-delay: .28s;
}

@keyframes faq-curve-draw {
  to {
    stroke-dashoffset: 0;
  }
}

.page-faq .curve-legend {
  display: flex;
  flex-wrap: wrap;
  gap: 8px 20px;
  margin: 14px 0 0;
  padding: 0;
  list-style: none;
  font-size: 13px;
  color: var(--rock);
}

.page-faq .curve-legend li {
  display: flex;
  align-items: center;
  gap: 8px;
}

.page-faq .lg-dot {
  width: 14px;
  height: 4px;
  flex: none;
}

.page-faq .lg-cyan {
  background: var(--cyan);
}

.page-faq .lg-orange {
  background: var(--orange);
}

/* ---------- 排查清单 ---------- */
.page-faq .check-intro {
  margin: 0 0 12px;
  font-size: 15px;
  line-height: 1.75;
  color: var(--rock);
}

.page-faq .check-list {
  display: grid;
  gap: 10px;
  margin: 0;
  padding: 0;
  list-style: none;
}

.page-faq .check-list label {
  display: grid;
  grid-template-columns: auto minmax(0, 1fr);
  gap: 12px;
  align-items: start;
  padding: 13px 16px;
  background: var(--corridor);
  border: 2px solid var(--faq-edge);
  cursor: pointer;
  transition: border-color .16s var(--ease);
}

.page-faq .check-list label:hover {
  border-color: var(--moss);
}

.page-faq .check-list input {
  position: absolute;
  width: 1px;
  height: 1px;
  opacity: 0;
}

.page-faq .check-box {
  display: grid;
  place-items: center;
  width: 20px;
  height: 20px;
  margin-top: 1px;
  border: 2px solid var(--moss);
  transition: background .16s var(--ease), border-color .16s var(--ease);
}

.page-faq .check-list input:checked ~ .check-box {
  background: var(--moss);
  border-color: var(--moss);
}

.page-faq .check-list input:checked ~ .check-box::after {
  content: "";
  width: 5px;
  height: 10px;
  border-right: 2px solid var(--hot);
  border-bottom: 2px solid var(--hot);
  transform: rotate(45deg) translate(-1px, -1px);
}

.page-faq .check-list input:focus-visible ~ .check-box {
  outline: 2px solid var(--orange);
  outline-offset: 2px;
}

.page-faq .check-text {
  font-size: 15px;
  line-height: 1.68;
  color: var(--bone);
  transition: color .16s var(--ease);
}

.page-faq .check-list input:checked ~ .check-text {
  color: var(--rock);
  text-decoration: line-through;
  text-decoration-color: var(--moss);
}

/* ---------- 联系 ---------- */
.page-faq .help-grid {
  display: grid;
  grid-template-columns: minmax(0, 1fr);
  gap: 16px;
}

@media (min-width: 760px) {
  .page-faq .help-grid {
    grid-template-columns: repeat(2, minmax(0, 1fr));
  }
}

.page-faq .help-card {
  padding: 20px;
  background: var(--corridor);
  border: 2px solid var(--faq-edge);
  box-shadow: var(--shadow-hard-sm);
}

.page-faq .help-kicker {
  margin: 0 0 10px;
  font-family: var(--mono);
  font-size: 11px;
  letter-spacing: .18em;
  text-transform: uppercase;
  color: var(--moss);
}

.page-faq .help-value {
  margin: 0 0 12px;
  font-family: var(--mono);
  font-size: clamp(17px, 2.2vw, 22px);
  font-weight: 700;
  line-height: 1.3;
  color: var(--hot);
  word-break: break-word;
}

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

.page-faq .help-more {
  margin: 22px 0 0;
  max-width: 72ch;
  font-size: 15px;
  line-height: 1.85;
  color: var(--rock);
}

.page-faq .help-more a {
  color: var(--cyan);
  text-underline-offset: 3px;
}

.page-faq .help-more a:hover,
.page-faq .help-more a:focus-visible {
  color: var(--orange);
}

.page-faq .back-top {
  margin: 26px 0 0;
  font-family: var(--mono);
  font-size: 13px;
  letter-spacing: .08em;
}

.page-faq .back-top a {
  display: inline-block;
  padding: 8px 14px;
  border: 2px solid var(--faq-edge);
  color: var(--rock);
  text-decoration: none;
  transition: border-color .16s var(--ease), color .16s var(--ease);
}

.page-faq .back-top a:hover,
.page-faq .back-top a:focus-visible {
  border-color: var(--orange);
  color: var(--hot);
}

/* ---------- 动效降级 ---------- */
@media (prefers-reduced-motion: reduce) {
  .page-faq .curve-a,
  .page-faq .curve-b {
    animation: none;
    stroke-dashoffset: 0;
  }

  .page-faq .faq-toc a,
  .page-faq .step-caret,
  .page-faq .demo label,
  .page-faq .check-list label,
  .page-faq .check-box,
  .page-faq .check-text,
  .page-faq .back-top a {
    transition: none;
  }
}

/* ---------- 窄屏收口 ---------- */
@media (max-width: 560px) {
  .page-faq .step-body {
    padding-left: 16px;
  }

  .page-faq .step > summary {
    gap: 12px;
    padding: 13px 14px;
  }

  .page-faq .tipbar {
    grid-template-columns: minmax(0, 1fr);
    gap: 6px;
  }

  .page-faq .tipbar::before {
    padding-top: 0;
  }

  .page-faq .demo-row > span {
    min-width: 100%;
  }
}
</｜｜DSML｜｜ parameter>
</invoke>
</｜｜DSML｜｜ calls>