.page-faq {
  --su-rail: 268px;
  --su-gap: clamp(22px, 3.2vw, 44px);
  --su-radius: 2px;
  background: var(--yd-mist);
  color: var(--yd-ink);
  padding-bottom: clamp(52px, 7vw, 104px);
}

.page-faq .yd-breadcrumb {
  display: flex;
  flex-wrap: wrap;
  gap: 8px;
  font-family: var(--yd-mono);
  font-size: 12px;
  letter-spacing: .04em;
  color: var(--yd-ink-2);
  margin-bottom: clamp(20px, 3vw, 32px);
}

.page-faq .yd-breadcrumb a {
  color: var(--yd-teal);
  text-decoration: none;
  border-bottom: 1px solid currentColor;
  padding-bottom: 1px;
}

.page-faq .yd-breadcrumb a:hover {
  color: var(--yd-teal-deep);
}

/* ---------- 首屏 ---------- */
.page-faq .su-hero {
  padding: clamp(24px, 4vw, 48px) 0 clamp(30px, 4.6vw, 56px);
  border-bottom: 1px solid var(--yd-rule);
}

.page-faq .su-hero__grid {
  display: grid;
  gap: var(--su-gap);
  align-items: start;
}

.page-faq .su-hero__lead .yd-h1 {
  margin: 10px 0 18px;
  max-width: 18em;
}

.page-faq .su-hero__lead .yd-lead {
  max-width: 40em;
  margin: 0;
}

.page-faq .su-hero__actions {
  display: flex;
  flex-wrap: wrap;
  gap: 12px;
  margin-top: 26px;
}

/* 状态控制台 */
.page-faq .su-console {
  background: var(--yd-paper);
  border: 1px solid var(--yd-ink);
  border-radius: var(--su-radius);
  box-shadow: 6px 6px 0 -1px var(--yd-gold-light), 6px 6px 0 0 var(--yd-rule);
  overflow: hidden;
}

.page-faq .su-console__bar {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 12px;
  flex-wrap: wrap;
  background: var(--yd-teal-deep);
  color: var(--yd-paper);
  padding: 12px 16px;
}

.page-faq .su-console__code {
  font-family: var(--yd-mono);
  font-size: 11px;
  letter-spacing: .1em;
  color: var(--yd-gold);
}

.page-faq .su-console__rows {
  margin: 0;
  padding: 6px 16px;
}

.page-faq .su-console__row {
  display: flex;
  align-items: baseline;
  justify-content: space-between;
  gap: 16px;
  padding: 11px 0;
  border-bottom: 1px dashed var(--yd-rule);
}

.page-faq .su-console__row:last-child {
  border-bottom: 0;
}

.page-faq .su-console__row dt {
  font-family: var(--yd-display);
  font-size: 13px;
  font-weight: 600;
  letter-spacing: .04em;
  color: var(--yd-ink-2);
}

.page-faq .su-console__row dd {
  margin: 0;
  font-family: var(--yd-mono);
  font-size: 13px;
  letter-spacing: .02em;
  color: var(--yd-teal-deep);
  text-align: right;
}

.page-faq .su-console__foot {
  margin: 0;
  padding: 12px 16px 16px;
  border-top: 1px solid var(--yd-rule);
  background: var(--yd-gold-light);
  font-family: var(--yd-body);
  font-size: 13px;
  line-height: 1.7;
  color: var(--yd-ink-2);
}

/* ---------- 分栏骨架 ---------- */
.page-faq .su-layout {
  display: grid;
  gap: var(--su-gap);
  padding-top: clamp(30px, 4vw, 52px);
}

.page-faq .su-rail__title {
  margin: 0 0 12px;
  font-family: var(--yd-mono);
  font-size: 11px;
  letter-spacing: .14em;
  text-transform: uppercase;
  color: var(--yd-ink-2);
}

.page-faq .su-rail__list {
  display: flex;
  gap: 8px;
  margin: 0;
  padding: 0 0 6px;
  list-style: none;
  overflow-x: auto;
  scrollbar-width: none;
}

.page-faq .su-rail__list::-webkit-scrollbar {
  display: none;
}

.page-faq .su-rail__list li {
  flex: 0 0 auto;
}

.page-faq .su-rail__list a {
  display: flex;
  align-items: center;
  gap: 8px;
  padding: 8px 14px;
  border: 1px solid var(--yd-rule);
  background: var(--yd-paper);
  color: var(--yd-ink);
  text-decoration: none;
  font-family: var(--yd-display);
  font-size: 13px;
  font-weight: 600;
  white-space: nowrap;
  transition: border-color .18s ease, transform .18s ease;
}

.page-faq .su-rail__list a:hover,
.page-faq .su-rail__list a:focus-visible {
  border-color: var(--yd-teal);
  transform: translateY(-2px);
}

.page-faq .su-rail__num {
  font-family: var(--yd-mono);
  font-size: 11px;
  color: var(--yd-teal);
  letter-spacing: .06em;
}

.page-faq .su-rail__cta {
  display: none;
  margin-top: 18px;
  padding-top: 14px;
  border-top: 1px solid var(--yd-rule);
  font-family: var(--yd-display);
  font-size: 13px;
  font-weight: 600;
  color: var(--yd-teal-deep);
  text-decoration: none;
}

.page-faq .su-rail__cta span {
  margin-left: 6px;
}

.page-faq .su-rail__cta:hover {
  color: var(--yd-teal);
}

/* ---------- 通用区块 ---------- */
.page-faq .su-block {
  padding: clamp(24px, 3.4vw, 40px) 0 clamp(30px, 4vw, 48px);
  border-top: 1px solid var(--yd-ink);
}

.page-faq .su-block:first-child {
  border-top: 0;
  padding-top: 0;
}

.page-faq .su-block--paper {
  background: var(--yd-paper);
  border-top: 1px solid var(--yd-rule);
  border-bottom: 1px solid var(--yd-rule);
  padding-left: clamp(16px, 3vw, 32px);
  padding-right: clamp(16px, 3vw, 32px);
}

.page-faq .su-block__head {
  max-width: 46em;
  margin-bottom: clamp(20px, 3vw, 32px);
}

.page-faq .su-block__head .yd-h2 {
  margin: 8px 0 12px;
}

.page-faq .su-block__intro {
  margin: 0;
  font-family: var(--yd-body);
  font-size: 16px;
  line-height: 1.8;
  color: var(--yd-ink-2);
}

/* ---------- 图 ---------- */
.page-faq .su-figure,
.page-faq .su-version__figure {
  margin: 0 0 clamp(24px, 3.4vw, 40px);
}

.page-faq .su-figure figcaption,
.page-faq .su-version__figure figcaption {
  margin-top: 10px;
  font-family: var(--yd-body);
  font-size: 13px;
  line-height: 1.7;
  color: var(--yd-ink-2);
}

.page-faq .yd-media {
  overflow: hidden;
  background: var(--yd-teal-mist);
  border: 1px solid var(--yd-rule);
}

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

/* ---------- 三个步骤 ---------- */
.page-faq .su-step {
  display: grid;
  gap: 16px;
  padding: clamp(20px, 2.6vw, 30px) 0;
  border-top: 1px dashed var(--yd-rule);
}

.page-faq .su-step:first-of-type {
  border-top: 1px solid var(--yd-rule);
}

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

.page-faq .su-step__num {
  font-family: var(--yd-mono);
  font-size: 34px;
  line-height: 1;
  font-weight: 700;
  letter-spacing: -0.02em;
  color: var(--yd-teal);
}

.page-faq .su-step__body .yd-h3 {
  margin: 0 0 6px;
}

.page-faq .su-step__scene {
  margin: 0;
  font-family: var(--yd-body);
  font-size: 15px;
  line-height: 1.8;
  color: var(--yd-ink-2);
}

.page-faq .su-docs {
  list-style: none;
  margin: 16px 0 0;
  padding: 0;
  display: grid;
  gap: 2px;
}

.page-faq .su-docs li {
  display: grid;
  gap: 4px;
  padding: 12px 14px;
  background: var(--yd-paper);
  border-left: 3px solid var(--yd-teal-mist);
  transition: border-color .18s ease, background .18s ease;
}

.page-faq .su-docs li:hover {
  border-left-color: var(--yd-teal);
  background: var(--yd-paper);
}

.page-faq .su-docs__title {
  font-family: var(--yd-display);
  font-size: 15px;
  font-weight: 700;
  letter-spacing: -0.01em;
  color: var(--yd-ink);
}

.page-faq .su-docs__note {
  font-family: var(--yd-body);
  font-size: 14px;
  line-height: 1.75;
  color: var(--yd-ink-2);
}

.page-faq .su-step__link {
  margin: 14px 0 0;
}

.page-faq .su-step__link a {
  font-family: var(--yd-display);
  font-size: 14px;
  font-weight: 600;
  color: var(--yd-teal-deep);
  text-decoration: none;
  border-bottom: 1px solid var(--yd-gold);
  padding-bottom: 2px;
}

.page-faq .su-step__link a:hover {
  color: var(--yd-teal);
  border-bottom-color: var(--yd-teal);
}

/* ---------- 常见问题 ---------- */
.page-faq .su-faq {
  display: grid;
  gap: clamp(20px, 2.6vw, 34px);
}

.page-faq .su-faq__col {
  display: grid;
  gap: clamp(20px, 2.6vw, 30px);
  align-content: start;
}

.page-faq .su-faq__cat {
  display: flex;
  align-items: center;
  gap: 10px;
  margin: 0 0 12px;
  font-family: var(--yd-display);
  font-size: 17px;
  font-weight: 700;
  letter-spacing: -0.01em;
  color: var(--yd-ink);
}

.page-faq .su-faq__badge {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  width: 26px;
  height: 26px;
  flex: 0 0 26px;
  border: 1px solid var(--yd-gold);
  font-family: var(--yd-mono);
  font-size: 12px;
  color: var(--yd-teal-deep);
  background: var(--yd-gold-light);
}

.page-faq .su-acc {
  background: var(--yd-paper);
  border: 1px solid var(--yd-rule);
  margin-bottom: 8px;
}

.page-faq .su-acc[open] {
  border-color: var(--yd-teal);
}

.page-faq .su-acc summary {
  display: flex;
  align-items: flex-start;
  gap: 10px;
  padding: 13px 14px;
  cursor: pointer;
  list-style: none;
  font-family: var(--yd-display);
  font-size: 15px;
  font-weight: 600;
  line-height: 1.55;
  color: var(--yd-ink);
}

.page-faq .su-acc summary::-webkit-details-marker {
  display: none;
}

.page-faq .su-acc summary::after {
  content: "+";
  margin-left: auto;
  flex: 0 0 auto;
  font-family: var(--yd-mono);
  font-size: 15px;
  color: var(--yd-teal);
}

.page-faq .su-acc[open] summary::after {
  content: "–";
}

.page-faq .su-acc summary:hover {
  color: var(--yd-teal-deep);
}

.page-faq .su-acc__body {
  padding: 0 14px 14px;
  font-family: var(--yd-body);
  font-size: 14.5px;
  line-height: 1.85;
  color: var(--yd-ink-2);
  border-top: 1px dashed var(--yd-rule);
  padding-top: 12px;
  margin-top: 0;
}

/* ---------- 版本状态 ---------- */
.page-faq .su-version {
  display: grid;
  gap: clamp(22px, 3vw, 38px);
  align-items: start;
  border-top: 1px solid var(--yd-ink);
}

.page-faq .su-version__text .yd-h2 {
  margin: 8px 0 14px;
}

.page-faq .su-version__lead {
  margin: 0 0 12px;
  font-family: var(--yd-body);
  font-size: 15.5px;
  line-height: 1.85;
  color: var(--yd-ink-2);
}

.page-faq .su-tagset {
  display: flex;
  flex-wrap: wrap;
  gap: 8px;
  margin-top: 18px;
}

.page-faq .su-version__figure {
  margin-bottom: 0;
}

/* ---------- 联系 ---------- */
.page-faq .su-contact {
  margin-top: clamp(24px, 3vw, 40px);
  padding: clamp(26px, 3.6vw, 46px) clamp(18px, 3vw, 36px);
  background: var(--yd-teal-deep);
  color: var(--yd-paper);
  border-top: 3px solid var(--yd-gold);
}

.page-faq .su-contact .yd-eyebrow--on-dark {
  color: var(--yd-gold);
}

.page-faq .su-contact__head .yd-h2 {
  margin: 8px 0 14px;
  color: var(--yd-paper);
}

.page-faq .su-contact__lead {
  margin: 0;
  max-width: 44em;
  font-family: var(--yd-body);
  font-size: 15.5px;
  line-height: 1.85;
  color: var(--yd-teal-mist);
}

.page-faq .su-contact__grid {
  display: grid;
  gap: 2px;
  margin-top: clamp(22px, 3vw, 34px);
}

.page-faq .su-contact__card {
  padding: 16px 18px;
  background: rgba(251, 249, 245, .07);
  border-left: 3px solid var(--yd-gold);
}

.page-faq .su-contact__key {
  margin: 0 0 6px;
  font-family: var(--yd-mono);
  font-size: 11px;
  letter-spacing: .12em;
  color: var(--yd-gold);
}

.page-faq .su-contact__value {
  margin: 0 0 6px;
  font-family: var(--yd-display);
  font-size: 16px;
  font-weight: 700;
  line-height: 1.5;
  color: var(--yd-paper);
  word-break: break-word;
}

.page-faq .su-contact__note {
  margin: 0;
  font-family: var(--yd-body);
  font-size: 13.5px;
  line-height: 1.75;
  color: var(--yd-teal-mist);
}

.page-faq .su-contact__actions {
  display: flex;
  flex-wrap: wrap;
  gap: 12px;
  margin-top: clamp(22px, 3vw, 32px);
}

/* ---------- 断点 ---------- */
@media (min-width: 720px) {
  .page-faq .su-step {
    grid-template-columns: 92px minmax(0, 1fr);
    gap: 20px;
  }

  .page-faq .su-step__mark {
    flex-direction: column;
    align-items: flex-start;
    gap: 8px;
  }

  .page-faq .su-step__num {
    font-size: 44px;
  }

  .page-faq .su-contact__grid {
    grid-template-columns: repeat(2, minmax(0, 1fr));
  }

  .page-faq .su-contact__card--wide {
    grid-column: 1 / -1;
  }
}

@media (min-width: 860px) {
  .page-faq .su-hero__grid {
    grid-template-columns: minmax(0, 1.18fr) minmax(0, .82fr);
  }

  .page-faq .su-faq {
    grid-template-columns: repeat(2, minmax(0, 1fr));
  }

  .page-faq .su-faq__col:nth-child(2) {
    margin-top: 42px;
  }

  .page-faq .su-version {
    grid-template-columns: minmax(0, 1.05fr) minmax(0, .95fr);
  }

  .page-faq .su-contact__grid {
    grid-template-columns: repeat(3, minmax(0, 1fr));
  }
}

@media (min-width: 1000px) {
  .page-faq .su-layout {
    grid-template-columns: var(--su-rail) minmax(0, 1fr);
    align-items: start;
  }

  .page-faq .su-rail__inner {
    position: sticky;
    top: 96px;
  }

  .page-faq .su-rail__list {
    display: grid;
    gap: 2px;
    overflow: visible;
    padding-bottom: 0;
  }

  .page-faq .su-rail__list li {
    flex: 1 1 auto;
  }

  .page-faq .su-rail__list a {
    justify-content: flex-start;
    border: 0;
    border-left: 2px solid var(--yd-rule);
    background: transparent;
    padding: 9px 12px;
    white-space: normal;
    font-size: 14px;
  }

  .page-faq .su-rail__list a:hover,
  .page-faq .su-rail__list a:focus-visible {
    border-left-color: var(--yd-teal);
    transform: translateX(2px);
    color: var(--yd-teal-deep);
  }

  .page-faq .su-rail__cta {
    display: block;
  }
}

@media (prefers-reduced-motion: reduce) {
  .page-faq .su-rail__list a,
  .page-faq .su-docs li {
    transition: none;
  }

  .page-faq .su-rail__list a:hover,
  .page-faq .su-rail__list a:focus-visible {
    transform: none;
  }
}
<<<END>>>