.page-faq {
  --faq-rule: 1px solid var(--line);
  --faq-pad: clamp(44px, 7vw, 84px);
}

/* 面包屑 */
.page-faq .crumbs {
  padding-top: clamp(16px, 3vw, 26px);
}

/* 首屏 */
.page-faq .faq-hero {
  position: relative;
  overflow: hidden;
  padding: clamp(22px, 4vw, 40px) 0 clamp(44px, 8vw, 76px);
}
.page-faq .faq-hero::before {
  content: "";
  position: absolute;
  z-index: 0;
  right: -34%;
  top: -46%;
  width: min(820px, 130%);
  aspect-ratio: 1 / 1;
  background: var(--panel);
  clip-path: polygon(0 0, 100% 0, 100% 100%, 28% 100%);
  pointer-events: none;
}
.page-faq .faq-hero__grid {
  position: relative;
  z-index: 1;
  display: grid;
  gap: clamp(26px, 5vw, 44px);
}
.page-faq .faq-hero .eyebrow {
  margin: 0 0 14px;
  font-family: var(--font-mono);
  font-size: 12px;
  letter-spacing: 0.16em;
  color: var(--mint);
}
.page-faq .faq-hero h1 {
  margin: 0 0 20px;
  color: var(--warm);
  font-size: clamp(32px, 7.2vw, 58px);
  line-height: 1.06;
  letter-spacing: -0.02em;
  font-weight: 800;
  max-width: 18ch;
}
.page-faq .faq-hero .lede {
  margin: 0 0 20px;
  color: var(--steel);
  font-size: clamp(15px, 3.6vw, 17px);
  line-height: 1.85;
  max-width: 38ch;
}
.page-faq .faq-meta {
  display: flex;
  flex-wrap: wrap;
  gap: 8px 18px;
  margin: 0;
  padding: 0;
  list-style: none;
  font-family: var(--font-mono);
  font-size: 12px;
  letter-spacing: 0.06em;
  color: var(--stone);
}
.page-faq .faq-meta li {
  display: flex;
  align-items: center;
  gap: 7px;
}
.page-faq .faq-meta li::before {
  content: "";
  width: 6px;
  height: 6px;
  border-radius: 2px;
  background: var(--orange);
}

/* 分组跳转 */
.page-faq .faq-jump {
  background: var(--panel);
  border-left: 3px solid var(--orange);
  border-radius: var(--radius-card);
  padding: 20px 20px 10px;
}
.page-faq .faq-jump__title {
  margin: 0 0 8px;
  font-family: var(--font-mono);
  font-size: 12px;
  letter-spacing: 0.12em;
  color: var(--stone);
}
.page-faq .faq-jump__list {
  list-style: none;
  margin: 0;
  padding: 0;
}
.page-faq .faq-jump__list a {
  display: flex;
  align-items: center;
  gap: 12px;
  padding: 13px 4px;
  color: var(--warm);
  text-decoration: none;
  font-size: 15px;
  line-height: 1.4;
  border-bottom: var(--faq-rule);
  transition: color var(--dur) var(--ease), padding-left var(--dur) var(--ease);
}
.page-faq .faq-jump__list li:last-child a {
  border-bottom: 0;
}
.page-faq .faq-jump__list a:hover,
.page-faq .faq-jump__list a:focus-visible {
  color: var(--mint);
  padding-left: 12px;
}
.page-faq .faq-jump__list .mono {
  flex: none;
  color: var(--orange);
  font-size: 12px;
}

/* 区块与标题 */
.page-faq .faq-block {
  padding-block: var(--faq-pad);
}
.page-faq .faq-head {
  margin-bottom: clamp(24px, 4vw, 36px);
  max-width: 48ch;
}
.page-faq .faq-head__num {
  display: inline-block;
  margin: 0 0 12px;
  font-family: var(--font-mono);
  font-size: 12px;
  letter-spacing: 0.14em;
  color: var(--orange);
}
.page-faq .faq-head h2 {
  margin: 0 0 14px;
  color: var(--warm);
  font-size: clamp(24px, 5.2vw, 38px);
  line-height: 1.16;
  letter-spacing: -0.01em;
  font-weight: 800;
}
.page-faq .faq-head p:last-child {
  margin: 0;
  color: var(--steel);
  font-size: 16px;
  line-height: 1.8;
}

/* 三步卡 */
.page-faq .faq-steps {
  list-style: none;
  margin: 0;
  padding: 0;
  display: grid;
  gap: 20px;
}
.page-faq .faq-step {
  position: relative;
  display: grid;
  gap: 10px;
  align-content: start;
  background: var(--panel);
  border-radius: var(--radius-card);
  padding: 24px 22px 26px;
}
.page-faq .faq-step::before {
  content: "";
  position: absolute;
  left: 34px;
  top: -20px;
  width: 1px;
  height: 20px;
  background: var(--line-strong);
}
.page-faq .faq-step:first-child::before {
  display: none;
}
.page-faq .faq-step__num {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  justify-self: start;
  padding: 3px 9px;
  border-radius: 8px;
  background: var(--orange);
  color: var(--ink);
  font-size: 13px;
  font-weight: 700;
  letter-spacing: 0.04em;
}
.page-faq .faq-step__title {
  margin: 0;
  color: var(--warm);
  font-size: 20px;
  font-weight: 700;
  line-height: 1.3;
}
.page-faq .faq-step__body {
  margin: 0;
  color: var(--steel);
  font-size: 15.5px;
  line-height: 1.75;
}
.page-faq .faq-step__result {
  margin: 4px 0 0;
  padding-top: 12px;
  border-top: var(--faq-rule);
  color: var(--mint);
  font-size: 14px;
  line-height: 1.7;
}
.page-faq .faq-step__result .mono {
  margin-right: 8px;
  font-size: 11px;
  letter-spacing: 0.12em;
  color: var(--mint);
  opacity: 0.75;
}

/* 配图 */
.page-faq .faq-figure {
  margin: clamp(26px, 4vw, 38px) 0 0;
}
.page-faq .faq-figure img {
  display: block;
  width: 100%;
  height: auto;
  border-radius: var(--radius-card);
  border: var(--faq-rule);
}
.page-faq .faq-figure figcaption {
  margin-top: 12px;
  font-family: var(--font-mono);
  font-size: 12px;
  line-height: 1.65;
  letter-spacing: 0.03em;
  color: var(--stone);
}

/* 收藏与回看双栏 */
.page-faq .faq-split {
  display: grid;
  gap: clamp(24px, 4vw, 44px);
}
.page-faq .faq-figure--side {
  margin-top: 0;
}

/* 折叠问答 */
.page-faq .faq-folds {
  border-bottom: var(--faq-rule);
}
.page-faq .faq-fold {
  border-top: var(--faq-rule);
  transition: background var(--dur) var(--ease);
}
.page-faq .faq-fold[open] {
  background: rgba(19, 41, 63, 0.55);
  border-radius: 14px;
}
.page-faq .faq-fold summary {
  list-style: none;
  display: flex;
  align-items: flex-start;
  gap: 12px;
  padding: 16px 6px;
  color: var(--warm);
  font-size: 15.5px;
  font-weight: 600;
  line-height: 1.55;
  cursor: pointer;
}
.page-faq .faq-fold summary::-webkit-details-marker {
  display: none;
}
.page-faq .faq-fold summary::after {
  content: "+";
  margin-left: auto;
  flex: none;
  font-family: var(--font-mono);
  font-size: 16px;
  line-height: 1.3;
  color: var(--mint);
}
.page-faq .faq-fold[open] summary::after {
  content: "–";
}
.page-faq .faq-fold summary:focus-visible {
  outline: 2px solid var(--mint);
  outline-offset: 4px;
  border-radius: 10px;
}
.page-faq .faq-fold__no {
  flex: none;
  padding-top: 4px;
  font-size: 12px;
  letter-spacing: 0.04em;
  color: var(--orange);
}
.page-faq .faq-fold .fold-body {
  padding: 0 6px 20px 40px;
}
.page-faq .faq-fold .fold-body p {
  margin: 0;
  max-width: 56ch;
  color: var(--steel);
  font-size: 15px;
  line-height: 1.8;
}

/* 问答分组 */
.page-faq .faq-group {
  margin-bottom: clamp(32px, 5vw, 52px);
}
.page-faq .faq-group:last-child {
  margin-bottom: 0;
}
.page-faq .faq-group__head {
  display: flex;
  align-items: baseline;
  gap: 12px;
  padding-bottom: 10px;
  margin-bottom: 4px;
  border-bottom: 1px solid var(--line-strong);
}
.page-faq .faq-group__num {
  color: var(--orange);
  font-size: 13px;
}
.page-faq .faq-group__head h3 {
  margin: 0;
  color: var(--warm);
  font-size: clamp(18px, 4vw, 21px);
  font-weight: 700;
  line-height: 1.35;
}
.page-faq .faq-group__count {
  margin-left: auto;
  flex: none;
  font-size: 12px;
  color: var(--stone);
}

/* 浅色对照表说明区 */
.page-faq .faq-read .faq-head h2 {
  color: var(--ink);
}
.page-faq .faq-read .faq-head p:last-child {
  color: var(--panel);
}
.page-faq .faq-read .faq-head__num {
  color: var(--clay);
}
.page-faq .faq-legend {
  list-style: none;
  margin: 0 0 clamp(26px, 4vw, 34px);
  padding: 0;
  display: grid;
  gap: 14px;
}
.page-faq .faq-legend li {
  background: var(--warm);
  border-radius: 16px;
  padding: 18px 18px 20px;
}
.page-faq .faq-legend h3 {
  display: flex;
  align-items: center;
  gap: 9px;
  margin: 0 0 9px;
  color: var(--ink);
  font-size: 16px;
  font-weight: 700;
}
.page-faq .faq-legend p {
  margin: 0;
  color: var(--panel);
  font-size: 14.5px;
  line-height: 1.75;
}
.page-faq .swatch {
  display: inline-block;
  width: 12px;
  height: 12px;
  border-radius: 4px;
}
.page-faq .swatch--orange {
  background: var(--orange);
}
.page-faq .swatch--mint {
  background: var(--mint);
}
.page-faq .swatch--clay {
  background: var(--clay);
}
.page-faq .faq-read-steps {
  list-style: none;
  counter-reset: read;
  margin: 0 0 clamp(22px, 4vw, 30px);
  padding: 0;
  display: grid;
  gap: 12px;
}
.page-faq .faq-read-steps li {
  position: relative;
  padding-left: 46px;
  color: var(--ink);
  font-size: 15.5px;
  line-height: 1.7;
}
.page-faq .faq-read-steps li::before {
  counter-increment: read;
  content: counter(read, decimal-leading-zero);
  position: absolute;
  left: 0;
  top: 1px;
  padding: 3px 7px;
  border-radius: 7px;
  background: var(--orange);
  color: var(--ink);
  font-family: var(--font-mono);
  font-size: 12px;
  font-weight: 700;
}
.page-faq .faq-inline-link {
  margin: 0;
}
.page-faq .faq-inline-link a {
  display: inline-block;
  padding-bottom: 3px;
  color: var(--ink);
  font-weight: 700;
  text-decoration: none;
  border-bottom: 2px solid var(--clay);
  font-size: 16px;
  transition: border-color var(--dur) var(--ease), color var(--dur) var(--ease);
}
.page-faq .faq-inline-link a:hover,
.page-faq .faq-inline-link a:focus-visible {
  color: var(--clay);
  border-color: var(--orange);
}

/* 时效 */
.page-faq .faq-timing {
  list-style: none;
  margin: 0;
  padding: 0;
  display: grid;
  gap: 14px;
}
.page-faq .faq-timing li {
  background: var(--panel);
  border-radius: 16px;
  padding: 20px 20px 22px;
  border-left: 2px solid var(--mint-line);
}
.page-faq .faq-timing__label {
  margin: 0 0 8px;
  font-size: 12px;
  letter-spacing: 0.14em;
  color: var(--stone);
}
.page-faq .faq-timing__value {
  margin: 0 0 10px;
  color: var(--warm);
  font-size: clamp(16px, 4vw, 19px);
  font-weight: 700;
  line-height: 1.4;
  word-break: break-word;
}
.page-faq .faq-timing__note {
  margin: 0;
  color: var(--steel);
  font-size: 14px;
  line-height: 1.75;
}

/* 底部导流 */
.page-faq .faq-cta {
  display: grid;
  gap: clamp(22px, 4vw, 32px);
  background: var(--panel);
  border-radius: var(--radius-card);
  padding: clamp(26px, 5vw, 44px);
  border-bottom: 3px solid var(--orange);
}
.page-faq .faq-cta__text h2 {
  margin: 0 0 14px;
  color: var(--warm);
  font-size: clamp(22px, 4.6vw, 32px);
  line-height: 1.2;
  letter-spacing: -0.01em;
  font-weight: 800;
}
.page-faq .faq-cta__text p:last-child {
  margin: 0;
  max-width: 46ch;
  color: var(--steel);
  font-size: 15.5px;
  line-height: 1.8;
}
.page-faq .faq-cta__actions {
  display: flex;
  flex-wrap: wrap;
  gap: 12px;
  align-content: start;
}

/* 断点 */
@media (min-width: 700px) {
  .page-faq .faq-legend {
    grid-template-columns: repeat(3, minmax(0, 1fr));
  }
  .page-faq .faq-timing {
    grid-template-columns: repeat(3, minmax(0, 1fr));
  }
}

@media (min-width: 760px) {
  .page-faq .faq-steps {
    grid-template-columns: repeat(3, minmax(0, 1fr));
    gap: 22px;
  }
  .page-faq .faq-step::before {
    left: -22px;
    top: 38px;
    width: 22px;
    height: 1px;
  }
}

@media (min-width: 900px) {
  .page-faq .faq-hero__grid {
    grid-template-columns: minmax(0, 1.4fr) minmax(0, 0.9fr);
    align-items: end;
  }
  .page-faq .faq-split {
    grid-template-columns: minmax(0, 1.15fr) minmax(0, 0.85fr);
    align-items: start;
  }
  .page-faq .faq-cta {
    grid-template-columns: minmax(0, 1fr) auto;
    align-items: end;
  }
  .page-faq .faq-cta__actions {
    justify-content: flex-end;
  }
  .page-faq .faq-figure--side {
    position: sticky;
    top: 120px;
  }
}
<<<END>>>