.page-faq {
  --faq-rail: 88px;
  --faq-body: 620px;
  --faq-gap: 40px;
  --faq-dark-line: rgba(217, 182, 120, 0.28);
  --faq-dark-text: rgba(246, 242, 234, 0.84);
  background: var(--wx-paper);
  color: var(--wx-ink);
}

/* ---------- 面包屑与首屏 ---------- */
.page-faq .faq-crumb {
  padding-block: 18px 0;
}

.page-faq .faq-head {
  padding-block: clamp(26px, 5vw, 48px) clamp(30px, 5vw, 56px);
  border-bottom: 1px solid var(--wx-line);
}

.page-faq .faq-head__grid {
  display: grid;
  grid-template-columns: 1fr;
  gap: 28px;
}

.page-faq .faq-head__note {
  margin: 0;
  font-size: 14px;
  line-height: 1.65;
  color: var(--wx-stone);
  border-left: 3px solid var(--wx-copper);
  padding-left: 14px;
}

.page-faq .faq-context {
  display: flex;
  flex-wrap: wrap;
  gap: 8px;
  margin-bottom: 16px;
}

.page-faq .faq-context__item {
  display: inline-flex;
  align-items: center;
  gap: 6px;
  font-family: var(--wx-mono);
  font-size: 12px;
  letter-spacing: 0.02em;
  color: var(--wx-ink);
  background: var(--wx-paper-layer);
  border: 1px solid var(--wx-line);
  padding: 5px 10px;
}

.page-faq .faq-context__item .wx-mono {
  color: var(--wx-copper-text);
  font-weight: 700;
}

/* ---------- 步骤索引 ---------- */
.page-faq .faq-anchors {
  border-bottom: 1px solid var(--wx-line);
  background: var(--wx-paper-layer);
}

.page-faq .faq-anchors__list {
  list-style: none;
  margin: 0;
  padding: 0;
  display: flex;
  flex-wrap: wrap;
  gap: 0;
}

.page-faq .faq-anchors__link {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  padding: 12px 16px 12px 0;
  margin-right: 16px;
  font-size: 14px;
  color: var(--wx-ink);
  text-decoration: none;
  border-bottom: 2px solid transparent;
  transition: border-color 150ms var(--wx-ease), color 150ms var(--wx-ease);
}

.page-faq .faq-anchors__link:hover,
.page-faq .faq-anchors__link:focus-visible {
  border-bottom-color: var(--wx-copper);
  color: var(--wx-copper-text);
}

.page-faq .faq-anchors__num {
  font-family: var(--wx-mono);
  font-size: 12px;
  letter-spacing: 0.02em;
  color: var(--wx-copper-text);
}

/* ---------- 步骤主体 ---------- */
.page-faq .faq-steps {
  padding-top: clamp(8px, 2vw, 20px);
}

.page-faq .faq-step {
  display: grid;
  grid-template-columns: 1fr;
  gap: 14px;
  padding-block: clamp(28px, 5vw, 52px);
  border-top: 1px solid var(--wx-line);
}

.page-faq .faq-step:first-child {
  border-top: none;
}

.page-faq .faq-step__rail {
  display: flex;
  align-items: center;
  gap: 10px;
}

.page-faq .faq-step__num {
  font-family: var(--wx-mono);
  font-size: 30px;
  font-weight: 700;
  line-height: 1;
  letter-spacing: 0.02em;
  color: var(--wx-copper);
}

.page-faq .faq-step__line {
  display: none;
}

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

.page-faq .faq-step__body p {
  margin: 0 0 16px;
  font-size: 16px;
  line-height: 1.75;
  color: var(--wx-ink);
}

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

.page-faq .faq-step__body .wx-h2 {
  margin: 0 0 16px;
}

.page-faq .faq-step__body .wx-h3 {
  margin: 26px 0 12px;
}

.page-faq .faq-inline-link a {
  color: var(--wx-copper-text);
  text-decoration: none;
  border-bottom: 1px solid var(--wx-line);
  transition: border-color 150ms var(--wx-ease), color 150ms var(--wx-ease);
}

.page-faq .faq-inline-link a:hover,
.page-faq .faq-inline-link a:focus-visible {
  border-bottom-color: var(--wx-copper);
  color: var(--wx-ink);
}

/* ---------- 核对提示 ---------- */
.page-faq .faq-check {
  margin: 22px 0 0 !important;
  padding: 10px 0 10px 14px;
  border-left: 3px solid var(--wx-copper);
  font-size: 14px;
  line-height: 1.65;
  color: var(--wx-stone);
}

.page-faq .faq-check a {
  color: var(--wx-copper-text);
  text-decoration: none;
  border-bottom: 1px solid var(--wx-line);
}

.page-faq .faq-check a:hover,
.page-faq .faq-check a:focus-visible {
  border-bottom-color: var(--wx-copper);
}

/* ---------- 图片 ---------- */
.page-faq .faq-figure {
  margin: 24px 0 0;
  border: 1px solid var(--wx-line);
}

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

.page-faq .faq-figure--side {
  margin-top: 4px;
}

/* ---------- 筛选演示块 ---------- */
.page-faq .faq-demo {
  margin: 22px 0 0;
  padding: 18px 16px;
  background: var(--wx-paper-layer);
  border: 1px solid var(--wx-line);
  box-shadow: var(--wx-shadow);
}

.page-faq .faq-demo__title {
  margin: 0 0 14px;
  font-family: var(--wx-mono);
  font-size: 13px;
  letter-spacing: 0.02em;
  color: var(--wx-copper-text);
}

.page-faq .faq-demo__list {
  list-style: none;
  margin: 0;
  padding: 0;
  border-top: 1px solid var(--wx-line);
}

.page-faq .faq-demo__item {
  display: flex;
  flex-wrap: wrap;
  justify-content: space-between;
  gap: 6px 16px;
  padding: 11px 0;
  border-bottom: 1px solid var(--wx-line);
  font-size: 14px;
}

.page-faq .faq-demo__k {
  color: var(--wx-stone);
}

.page-faq .faq-demo__v {
  font-family: var(--wx-mono);
  color: var(--wx-ink);
  letter-spacing: 0.02em;
}

.page-faq .faq-demo__note {
  margin: 14px 0 0 !important;
  font-size: 14px;
  line-height: 1.65;
  color: var(--wx-stone);
}

.page-faq .faq-demo__cta {
  display: inline-block;
  margin-top: 16px;
  padding: 9px 16px;
  font-size: 14px;
  color: var(--wx-paper);
  background: var(--wx-green);
  border: 1px solid var(--wx-green);
  text-decoration: none;
  transition: background-color 150ms var(--wx-ease), border-color 150ms var(--wx-ease);
}

.page-faq .faq-demo__cta:hover,
.page-faq .faq-demo__cta:focus-visible {
  background: var(--wx-copper);
  border-color: var(--wx-copper);
}

/* ---------- 编号读法 ---------- */
.page-faq .faq-idrow {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  gap: 10px;
  margin-top: 20px;
  padding: 12px 14px;
  background: var(--wx-green);
  border-left: 3px solid var(--wx-copper);
}

.page-faq .faq-idrow--tight {
  margin-top: 26px;
}

.page-faq .faq-idrow__code {
  font-family: var(--wx-mono);
  font-size: 17px;
  letter-spacing: 0.02em;
  color: var(--wx-copper-bright);
}

.page-faq .faq-idrow__btn {
  font-family: var(--wx-mono);
  font-size: 12px;
  letter-spacing: 0.02em;
  padding: 4px 10px;
  color: var(--wx-paper);
  background: transparent;
  border: 1px solid rgba(217, 182, 120, 0.55);
  cursor: pointer;
  transition: background-color 150ms var(--wx-ease), color 150ms var(--wx-ease);
}

.page-faq .faq-idrow__btn:hover,
.page-faq .faq-idrow__btn:focus-visible {
  background: var(--wx-copper-bright);
  color: var(--wx-green-deep);
}

.page-faq .faq-idrow__fb {
  font-family: var(--wx-mono);
  font-size: 12px;
  color: var(--wx-copper-bright);
}

.page-faq .faq-seg {
  list-style: none;
  margin: 0;
  padding: 0;
}

.page-faq .faq-seg__item {
  display: flex;
  flex-wrap: wrap;
  align-items: baseline;
  gap: 10px;
  padding: 10px 0;
  border-bottom: 1px solid var(--wx-line);
  font-size: 14px;
}

.page-faq .faq-seg__tag {
  min-width: 88px;
  font-family: var(--wx-mono);
  font-size: 13px;
  letter-spacing: 0.02em;
  color: var(--wx-copper-text);
}

.page-faq .faq-seg__txt {
  flex: 1 1 200px;
  color: var(--wx-stone);
  line-height: 1.65;
}

.page-faq .faq-misread {
  list-style: none;
  margin: 0;
  padding: 0;
  display: grid;
  gap: 12px;
}

.page-faq .faq-misread li {
  position: relative;
  padding-left: 16px;
  font-size: 14px;
  line-height: 1.65;
  color: var(--wx-stone);
}

.page-faq .faq-misread li::before {
  content: "";
  position: absolute;
  left: 0;
  top: 9px;
  width: 6px;
  height: 6px;
  background: var(--wx-red);
}

/* ---------- 版本对照 ---------- */
.page-faq .faq-path-list {
  list-style: none;
  margin: 0 0 22px;
  padding: 0;
  counter-reset: none;
}

.page-faq .faq-path-list li {
  display: flex;
  gap: 12px;
  padding: 12px 0;
  border-bottom: 1px solid var(--wx-line);
  font-size: 15px;
  line-height: 1.7;
}

.page-faq .faq-path-list__n {
  flex: 0 0 26px;
  font-family: var(--wx-mono);
  font-size: 13px;
  color: var(--wx-copper-text);
  padding-top: 3px;
}

.page-faq .faq-diff {
  list-style: none;
  margin: 0;
  padding: 0;
  display: grid;
  gap: 12px;
}

.page-faq .faq-diff__row {
  display: flex;
  gap: 12px;
  align-items: flex-start;
  font-size: 14px;
  line-height: 1.65;
  color: var(--wx-stone);
}

.page-faq .faq-diff__mark {
  flex: 0 0 26px;
  height: 3px;
  margin-top: 10px;
}

.page-faq .faq-diff__mark--copper {
  background: var(--wx-copper);
}

.page-faq .faq-diff__mark--red {
  background: var(--wx-red);
}

.page-faq .faq-diff__mark--none {
  background: var(--wx-line);
}

/* ---------- 深色章节：验收条目 ---------- */
.page-faq .faq-step--dark {
  background: var(--wx-green);
  border-top-color: var(--wx-copper);
  padding-inline: clamp(18px, 4vw, 40px);
  margin-inline: calc(-1 * clamp(18px, 4vw, 40px));
}

.page-faq .faq-step--dark .faq-step__num {
  color: var(--wx-copper-bright);
}

.page-faq .faq-step--dark .faq-step__line {
  background: var(--faq-dark-line);
}

.page-faq .faq-step--dark .wx-h2 {
  color: var(--wx-paper);
}

.page-faq .faq-step--dark .faq-step__body p {
  color: var(--faq-dark-text);
}

.page-faq .faq-step--dark .faq-check {
  border-left-color: var(--wx-copper-bright);
  color: rgba(246, 242, 234, 0.72);
}

.page-faq .faq-step--dark .faq-inline-link a {
  color: var(--wx-copper-bright);
  border-bottom-color: var(--faq-dark-line);
}

.page-faq .faq-step--dark .faq-inline-link a:hover,
.page-faq .faq-step--dark .faq-inline-link a:focus-visible {
  border-bottom-color: var(--wx-copper-bright);
  color: var(--wx-paper);
}

/* ---------- 信息图 ---------- */
.page-faq .faq-diagram {
  margin: 24px 0 0;
  border-top: 1px solid var(--faq-dark-line);
}

.page-faq .faq-diagram__head {
  display: none;
  gap: 16px;
  padding: 10px 0;
  font-family: var(--wx-mono);
  font-size: 12px;
  letter-spacing: 0.02em;
  color: rgba(217, 182, 120, 0.7);
  border-bottom: 1px solid var(--faq-dark-line);
}

.page-faq .faq-diagram__row {
  display: grid;
  grid-template-columns: auto 1fr;
  grid-template-areas:
    "g r"
    "f f";
  gap: 6px 16px;
  padding: 14px 0;
  border-bottom: 1px solid var(--faq-dark-line);
}

.page-faq .faq-diagram__group {
  grid-area: g;
  font-family: var(--wx-mono);
  font-size: 15px;
  letter-spacing: 0.02em;
  color: var(--wx-copper-bright);
}

.page-faq .faq-diagram__range {
  grid-area: r;
  text-align: right;
  font-size: 13px;
  color: rgba(246, 242, 234, 0.76);
}

.page-faq .faq-diagram__focus {
  grid-area: f;
  font-size: 14px;
  line-height: 1.65;
  color: var(--faq-dark-text);
}

.page-faq .faq-scale {
  display: grid;
  grid-template-columns: repeat(24, minmax(0, 1fr));
  gap: 2px;
  margin-top: 20px;
}

.page-faq .faq-scale__cell {
  display: block;
  height: 16px;
  background: rgba(217, 182, 120, 0.1);
  border-left: 1px solid rgba(217, 182, 120, 0.28);
}

.page-faq .faq-scale__cell--start {
  background: rgba(217, 182, 120, 0.42);
  border-left-color: var(--wx-copper-bright);
}

/* ---------- 差异处理 ---------- */
.page-faq .faq-quad {
  list-style: none;
  margin: 0 0 20px;
  padding: 0;
  display: grid;
  gap: 10px;
}

.page-faq .faq-quad li {
  padding: 12px 14px;
  background: var(--wx-paper-layer);
  border: 1px solid var(--wx-line);
  border-left: 3px solid var(--wx-green);
}

.page-faq .faq-quad__k {
  display: block;
  font-family: var(--wx-mono);
  font-size: 13px;
  letter-spacing: 0.02em;
  color: var(--wx-ink);
  margin-bottom: 4px;
}

.page-faq .faq-quad__v {
  display: block;
  font-size: 14px;
  line-height: 1.6;
  color: var(--wx-stone);
}

.page-faq .faq-mail {
  color: var(--wx-copper-text);
  border-bottom: 1px solid var(--wx-line);
}

/* ---------- 术语速查 ---------- */
.page-faq .faq-glossary {
  padding-block: clamp(30px, 5vw, 56px);
  border-top: 2px solid var(--wx-green);
}

.page-faq .faq-glossary__head {
  display: flex;
  align-items: baseline;
  gap: 14px;
}

.page-faq .faq-glossary__head .wx-h2 {
  margin: 0;
}

.page-faq .faq-glossary__num {
  font-family: var(--wx-mono);
  font-size: 26px;
  font-weight: 700;
  line-height: 1;
  color: var(--wx-copper);
}

.page-faq .faq-glossary__lede {
  margin: 14px 0 22px;
  max-width: 56ch;
  font-size: 15px;
  line-height: 1.7;
  color: var(--wx-stone);
}

.page-faq .faq-fold {
  border-top: 1px solid var(--wx-line);
}

.page-faq .faq-fold__trigger {
  width: 100%;
  text-align: left;
  padding: 16px 0;
  font-family: var(--wx-mono);
  font-size: 14px;
  letter-spacing: 0.02em;
  color: var(--wx-ink);
  background: none;
  border: none;
  border-bottom: 1px solid var(--wx-line);
  cursor: pointer;
  transition: color 150ms var(--wx-ease);
}

.page-faq .faq-fold__trigger:hover,
.page-faq .faq-fold__trigger:focus-visible {
  color: var(--wx-copper-text);
}

.page-faq .faq-glossary__list {
  margin: 0;
  padding: 0;
  display: grid;
  gap: 0;
}

.page-faq .faq-glossary__item {
  display: grid;
  grid-template-columns: 1fr;
  gap: 6px;
  padding: 14px 0;
  border-bottom: 1px solid var(--wx-line);
}

.page-faq .faq-glossary__term {
  font-family: var(--wx-mono);
  font-size: 14px;
  letter-spacing: 0.02em;
  color: var(--wx-ink);
  padding: 3px 8px;
  border: 1px solid var(--wx-line);
  background: var(--wx-paper-layer);
  justify-self: start;
}

.page-faq .faq-glossary__def {
  margin: 0;
  font-size: 14px;
  line-height: 1.7;
  color: var(--wx-stone);
}

/* ---------- 后续链接 ---------- */
.page-faq .faq-next {
  padding-block: clamp(30px, 5vw, 56px) clamp(40px, 7vw, 72px);
  background: var(--wx-green-deep);
}

.page-faq .faq-next__title {
  margin: 0 0 20px;
  color: var(--wx-paper);
}

.page-faq .faq-next__list {
  list-style: none;
  margin: 0;
  padding: 0;
  display: grid;
  gap: 0;
  border-top: 1px solid rgba(217, 182, 120, 0.28);
}

.page-faq .faq-next__list li {
  border-bottom: 1px solid rgba(217, 182, 120, 0.28);
}

.page-faq .faq-next__list a {
  display: block;
  padding: 15px 0;
  font-size: 15px;
  line-height: 1.6;
  color: var(--wx-paper);
  text-decoration: none;
  transition: color 150ms var(--wx-ease), padding-left 150ms var(--wx-ease);
}

.page-faq .faq-next__list a:hover,
.page-faq .faq-next__list a:focus-visible {
  color: var(--wx-copper-bright);
  padding-left: 10px;
}

/* ---------- 窄屏修正 ---------- */
@media (max-width: 480px) {
  .page-faq .faq-idrow__code {
    font-size: 15px;
    word-break: break-all;
  }

  .page-faq .faq-seg__tag {
    min-width: 72px;
  }

  .page-faq .faq-scale {
    gap: 1px;
  }
}

/* ---------- 平板以上 ---------- */
@media (min-width: 720px) {
  .page-faq .faq-head__grid {
    grid-template-columns: minmax(0, 1.6fr) minmax(0, 1fr);
    gap: 44px;
    align-items: start;
  }

  .page-faq .faq-diagram__head {
    display: grid;
    grid-template-columns: 88px 160px minmax(0, 1fr);
  }

  .page-faq .faq-diagram__row {
    grid-template-columns: 88px 160px minmax(0, 1fr);
    grid-template-areas: "g r f";
    align-items: baseline;
  }

  .page-faq .faq-diagram__range {
    text-align: left;
  }

  .page-faq .faq-glossary__item {
    grid-template-columns: 200px minmax(0, 1fr);
    gap: 16px 24px;
    align-items: baseline;
  }
}

/* ---------- 桌面宽屏 ---------- */
@media (min-width: 1000px) {
  .page-faq .faq-step {
    grid-template-columns: var(--faq-rail) minmax(0, var(--faq-body)) minmax(0, 1fr);
    column-gap: var(--faq-gap);
    gap: 0 var(--faq-gap);
  }

  .page-faq .faq-step__rail {
    flex-direction: column;
    align-items: flex-start;
    gap: 12px;
    padding-top: 4px;
  }

  .page-faq .faq-step__num {
    font-size: 34px;
  }

  .page-faq .faq-step__line {
    display: block;
    width: 1px;
    flex: 1 1 auto;
    min-height: 60px;
    background: var(--wx-line);
    margin-left: 6px;
  }

  .page-faq .faq-step__body {
    grid-column: 2;
  }

  .page-faq .faq-step__aside {
    grid-column: 3;
    padding-left: 8px;
  }

  .page-faq .faq-step--dark {
    padding-inline: clamp(24px, 3.4vw, 48px);
    margin-inline: calc(-1 * clamp(24px, 3.4vw, 48px));
  }

  .page-faq .faq-step--dark .faq-step__rail {
    padding-left: 8px;
  }
}

/* ---------- 降低动效 ---------- */
@media (prefers-reduced-motion: reduce) {
  .page-faq .faq-anchors__link,
  .page-faq .faq-demo__cta,
  .page-faq .faq-idrow__btn,
  .page-faq .faq-fold__trigger,
  .page-faq .faq-next__list a,
  .page-faq .faq-inline-link a {
    transition: none;
  }

  .page-faq .faq-next__list a:hover,
  .page-faq .faq-next__list a:focus-visible {
    padding-left: 0;
  }
}