.page-faq {
  --faq-rail-w: 212px;
  --faq-panel-line: rgba(247, 242, 232, 0.18);
}

/* ---------- 面包屑 ---------- */
.page-faq .faq-crumbs {
  padding-top: 104px;
  padding-bottom: 8px;
}

/* ---------- 首屏 ---------- */
.page-faq .faq-hero {
  padding-top: 18px;
  padding-bottom: 20px;
}

.page-faq .faq-hero-grid {
  display: grid;
  grid-template-columns: minmax(0, 1fr);
  gap: 30px;
  align-items: end;
}

.page-faq .faq-kicker {
  display: flex;
  align-items: center;
  gap: 10px;
  margin: 0 0 20px;
  font-family: var(--font-mono);
  font-size: var(--fs-14);
  letter-spacing: 0.2em;
  color: var(--ink-grey);
}

.page-faq .faq-kicker::before {
  content: "";
  width: 28px;
  height: 2px;
  background: var(--sand-gold);
  flex: 0 0 auto;
}

.page-faq .faq-hero-copy .display {
  margin: 0 0 20px;
  color: var(--ink-black);
}

.page-faq .faq-hero-copy .lede {
  margin: 0 0 26px;
  max-width: 36em;
  color: var(--ink-grey);
}

.page-faq .faq-hero-meta {
  display: flex;
  flex-wrap: wrap;
  gap: 8px 10px;
}

.page-faq .faq-hero-figure {
  margin: 0;
  border: 1px solid var(--rule);
}

/* ---------- 五步区布局 ---------- */
.page-faq .faq-steps-section {
  padding-top: 32px;
  padding-bottom: 12px;
}

.page-faq .faq-steps-layout {
  display: grid;
  grid-template-columns: minmax(0, 1fr);
  gap: 26px;
}

.page-faq .faq-steps-main {
  order: 0;
  min-width: 0;
}

.page-faq .faq-rail {
  order: -1;
  min-width: 0;
}

.page-faq .faq-steps-head {
  margin-bottom: 26px;
}

.page-faq .faq-section-lede {
  margin: 12px 0 0;
  max-width: 40em;
  color: var(--ink-grey);
  font-size: var(--fs-16);
  line-height: 1.85;
}

/* ---------- 右侧索引条 ---------- */
.page-faq .faq-rail-title {
  margin: 0 0 10px;
  font-family: var(--font-mono);
  font-size: var(--fs-14);
  letter-spacing: 0.18em;
  color: var(--press-blue);
}

.page-faq .faq-rail-list {
  display: flex;
  gap: 8px;
  margin: 0;
  padding: 0 0 6px;
  list-style: none;
  overflow-x: auto;
  -webkit-overflow-scrolling: touch;
  scrollbar-width: thin;
}

.page-faq .faq-rail-list li {
  flex: 0 0 auto;
}

.page-faq .faq-rail-list a {
  display: inline-flex;
  align-items: baseline;
  gap: 8px;
  padding: 7px 13px;
  font-size: var(--fs-14);
  line-height: 1.5;
  color: var(--ink-grey);
  text-decoration: none;
  white-space: nowrap;
  background: var(--paper);
  border: 1px solid var(--rule);
  border-radius: 999px;
  transition: color 0.18s var(--ease), border-color 0.18s var(--ease), background-color 0.18s var(--ease);
}

.page-faq .faq-rail-list a:hover,
.page-faq .faq-rail-list a:focus-visible {
  color: var(--ink-blue);
  border-color: var(--sand-gold);
}

.page-faq .faq-rail-no {
  font-family: var(--font-mono);
  font-size: 12px;
  letter-spacing: 0.08em;
  color: var(--sand-gold);
}

/* ---------- 步骤列表 ---------- */
.page-faq .faq-step-list {
  margin: 0;
  padding: 0;
  list-style: none;
  border-top: 1px solid var(--rule);
}

.page-faq .faq-step-item {
  border-bottom: 1px solid var(--rule);
}

.page-faq .faq-step-item--focus {
  background: var(--sand);
  border-top: 1px solid var(--sand-gold);
  border-bottom: 1px solid var(--sand-gold);
  padding: 6px 18px;
}

.page-faq .faq-step {
  position: relative;
  background: transparent;
}

.page-faq .faq-step-summary {
  position: relative;
  display: grid;
  grid-template-columns: 46px minmax(0, 1fr) 18px;
  align-items: center;
  gap: 14px;
  padding: 20px 0;
  cursor: pointer;
  list-style: none;
}

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

.page-faq .faq-step-summary::marker {
  content: "";
}

.page-faq .faq-step-no {
  font-family: var(--font-mono);
  font-size: 30px;
  font-weight: 300;
  line-height: 1;
  letter-spacing: -0.02em;
  color: var(--press-blue);
  transition: color 0.18s var(--ease);
}

.page-faq .faq-step[open] .faq-step-no {
  color: var(--sand-gold);
}

.page-faq .faq-step-title {
  font-family: var(--font-serif);
  font-size: var(--fs-18);
  font-weight: 500;
  line-height: 1.45;
  color: var(--ink-black);
  transition: color 0.18s var(--ease);
}

.page-faq .faq-step-summary:hover .faq-step-title {
  color: var(--ink-blue);
}

.page-faq .faq-step-mark,
.page-faq .faq-q-mark {
  position: relative;
  justify-self: end;
  width: 14px;
  height: 14px;
  flex: 0 0 auto;
}

.page-faq .faq-step-mark::before,
.page-faq .faq-step-mark::after,
.page-faq .faq-q-mark::before,
.page-faq .faq-q-mark::after {
  content: "";
  position: absolute;
  background: var(--press-blue);
  transition: transform 0.18s var(--ease), background-color 0.18s var(--ease);
}

.page-faq .faq-step-mark::before,
.page-faq .faq-q-mark::before {
  left: 0;
  top: 6px;
  width: 14px;
  height: 1px;
}

.page-faq .faq-step-mark::after,
.page-faq .faq-q-mark::after {
  left: 6px;
  top: 0;
  width: 1px;
  height: 14px;
}

.page-faq .faq-step[open] .faq-step-mark::before,
.page-faq .faq-q[open] .faq-q-mark::before {
  background: var(--sand-gold);
}

.page-faq .faq-step[open] .faq-step-mark::after,
.page-faq .faq-q[open] .faq-q-mark::after {
  transform: scaleY(0);
}

.page-faq .faq-step-bookmark {
  position: absolute;
  top: 0;
  right: 0;
  padding: 5px 12px;
  background: var(--cinnabar);
  color: var(--paper);
  font-family: var(--font-mono);
  font-size: 12px;
  letter-spacing: 0.12em;
  line-height: 1.4;
  border-radius: 0 0 0 2px;
  transition: transform 0.18s var(--ease);
}

.page-faq .faq-step-item--focus:hover .faq-step-bookmark {
  transform: translateX(6px);
}

.page-faq .faq-step-body {
  padding: 0 0 24px;
}

.page-faq .faq-step-body p {
  margin: 0 0 14px;
  color: var(--ink-grey);
  font-size: var(--fs-16);
  line-height: 1.9;
}

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

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

.page-faq .faq-step-check {
  margin-top: 16px !important;
  padding: 12px 16px;
  background: var(--bg-alt);
  border-left: 2px solid var(--celadon);
  color: var(--ink-black);
  font-size: var(--fs-14);
  line-height: 1.8;
}

.page-faq .faq-step-check strong {
  color: var(--ink-blue);
  font-weight: 500;
}

.page-faq .faq-step-item--focus .faq-step-check {
  background: rgba(247, 242, 232, 0.82);
}

.page-faq .faq-step-body--split {
  display: grid;
  grid-template-columns: minmax(0, 1fr);
  gap: 22px;
  align-items: start;
}

.page-faq .faq-step-figure {
  margin: 0;
  border: 1px solid var(--rule-strong);
}

/* ---------- 常见问题 ---------- */
.page-faq .faq-q-section {
  padding-top: 48px;
  padding-bottom: 20px;
}

.page-faq .faq-q-list {
  margin-top: 26px;
  border-top: 1px solid var(--rule);
}

.page-faq .faq-q {
  border-bottom: 1px solid var(--rule);
}

.page-faq .faq-q-summary {
  display: grid;
  grid-template-columns: 40px minmax(0, 1fr) 18px;
  align-items: center;
  gap: 14px;
  padding: 20px 0;
  cursor: pointer;
  list-style: none;
}

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

.page-faq .faq-q-summary::marker {
  content: "";
}

.page-faq .faq-q-no {
  font-family: var(--font-mono);
  font-size: var(--fs-14);
  letter-spacing: 0.1em;
  color: var(--press-blue);
  transition: color 0.18s var(--ease);
}

.page-faq .faq-q[open] .faq-q-no {
  color: var(--cinnabar);
}

.page-faq .faq-q-title {
  font-family: var(--font-serif);
  font-size: var(--fs-18);
  font-weight: 500;
  line-height: 1.5;
  color: var(--ink-black);
  transition: color 0.18s var(--ease);
}

.page-faq .faq-q-summary:hover .faq-q-title {
  color: var(--ink-blue);
}

.page-faq .faq-q-body {
  padding: 0 0 24px;
}

.page-faq .faq-q-body p {
  margin: 0 0 12px;
  color: var(--ink-grey);
  font-size: var(--fs-16);
  line-height: 1.9;
}

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

.page-faq .faq-check-list {
  margin: 0 0 14px;
  padding: 0;
  list-style: none;
}

.page-faq .faq-check-list li {
  display: grid;
  grid-template-columns: 22px minmax(0, 1fr);
  gap: 12px;
  padding: 6px 0;
  color: var(--ink-grey);
  font-size: var(--fs-16);
  line-height: 1.85;
}

.page-faq .faq-check-no {
  font-family: var(--font-mono);
  font-size: var(--fs-14);
  color: var(--celadon);
  padding-top: 3px;
}

/* ---------- 邮件准备（深色面板） ---------- */
.page-faq .faq-mail-section {
  margin-top: 36px;
  padding: 52px 0 56px;
  background: var(--ink-blue);
  color: var(--paper);
}

.page-faq .faq-mail-head {
  margin-bottom: 30px;
}

.page-faq .faq-mail-section .chapter-no {
  color: rgba(199, 154, 78, 0.55);
}

.page-faq .faq-mail-section .chapter-title {
  color: var(--paper);
}

.page-faq .faq-mail-section .faq-section-lede {
  color: rgba(247, 242, 232, 0.72);
}

.page-faq .faq-mail-grid {
  display: grid;
  grid-template-columns: minmax(0, 1fr);
  gap: 30px;
}

.page-faq .faq-prep-list {
  margin: 0 0 22px;
  padding: 0;
  list-style: none;
}

.page-faq .faq-prep-list li {
  padding: 15px 0;
  border-top: 1px solid var(--faq-panel-line);
  color: rgba(247, 242, 232, 0.84);
  font-size: var(--fs-16);
  line-height: 1.85;
}

.page-faq .faq-prep-list li:last-child {
  border-bottom: 1px solid var(--faq-panel-line);
}

.page-faq .faq-prep-key {
  display: block;
  margin-bottom: 5px;
  font-family: var(--font-mono);
  font-size: var(--fs-14);
  letter-spacing: 0.16em;
  color: var(--sand-gold);
}

.page-faq .faq-mail-note {
  margin: 0;
  color: rgba(247, 242, 232, 0.7);
  font-size: var(--fs-16);
  line-height: 1.9;
}

.page-faq .faq-mail-section .link-u {
  color: var(--sand-gold);
}

.page-faq .faq-template-label {
  margin: 0 0 12px;
  font-family: var(--font-mono);
  font-size: var(--fs-14);
  letter-spacing: 0.16em;
  color: var(--sand-gold);
}

.page-faq .faq-template {
  margin: 0;
  padding: 20px 22px;
  background: var(--ink-blue-deep);
  border: 1px solid var(--rule-gold);
  border-radius: 2px;
  font-family: var(--font-mono);
  font-size: var(--fs-14);
  line-height: 2;
  color: var(--paper);
  white-space: pre-wrap;
  word-break: break-word;
  overflow-x: auto;
}

/* ---------- 求助区 ---------- */
.page-faq .faq-help-section {
  padding-top: 50px;
  padding-bottom: 56px;
}

.page-faq .faq-help-section .section-head {
  margin-bottom: 26px;
}

.page-faq .faq-help-grid {
  display: grid;
  grid-template-columns: minmax(0, 1fr);
  gap: 26px;
}

.page-faq .faq-help-copy p {
  margin: 0 0 14px;
  color: var(--ink-grey);
  font-size: var(--fs-16);
  line-height: 1.9;
}

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

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

.page-faq .faq-contact-list li {
  padding: 14px 0;
  border-bottom: 1px solid var(--rule);
}

.page-faq .faq-contact-key {
  display: block;
  margin-bottom: 5px;
  font-family: var(--font-mono);
  font-size: var(--fs-14);
  letter-spacing: 0.14em;
  color: var(--press-blue);
}

.page-faq .faq-contact-val {
  display: block;
  color: var(--ink-black);
  font-size: var(--fs-16);
  line-height: 1.75;
  word-break: break-word;
}

.page-faq .faq-help-cta {
  display: flex;
  flex-wrap: wrap;
  gap: 12px;
  margin: 34px 0 0;
}

/* ---------- 桌面端增强 ---------- */
@media (min-width: 768px) {
  .page-faq .faq-step-summary {
    grid-template-columns: 84px minmax(0, 1fr) 22px;
    gap: 24px;
    padding: 24px 0;
  }

  .page-faq .faq-step-no {
    font-size: 52px;
  }

  .page-faq .faq-step-title {
    font-size: var(--fs-24);
  }

  .page-faq .faq-step-body {
    padding: 0 0 30px 108px;
  }

  .page-faq .faq-q-summary {
    grid-template-columns: 56px minmax(0, 1fr) 22px;
    gap: 20px;
  }

  .page-faq .faq-q-body {
    padding: 0 0 28px 76px;
  }

  .page-faq .faq-step-body--split {
    grid-template-columns: minmax(0, 1fr) 210px;
    gap: 30px;
  }
}

@media (min-width: 900px) {
  .page-faq .faq-hero-grid {
    grid-template-columns: minmax(0, 1.18fr) minmax(0, 0.82fr);
    gap: 52px;
  }

  .page-faq .faq-mail-grid {
    grid-template-columns: minmax(0, 1.08fr) minmax(0, 0.92fr);
    gap: 52px;
  }

  .page-faq .faq-help-grid {
    grid-template-columns: minmax(0, 1.15fr) minmax(0, 0.85fr);
    gap: 52px;
  }
}

@media (min-width: 1024px) {
  .page-faq .faq-steps-layout {
    grid-template-columns: minmax(0, 1fr) var(--faq-rail-w);
    gap: 60px;
    align-items: start;
  }

  .page-faq .faq-steps-main {
    order: 0;
  }

  .page-faq .faq-rail {
    order: 1;
    position: sticky;
    top: 112px;
  }

  .page-faq .faq-rail-title {
    padding-left: 12px;
  }

  .page-faq .faq-rail-list {
    flex-direction: column;
    gap: 2px;
    padding-bottom: 0;
    overflow: visible;
    border-left: 1px solid var(--rule);
  }

  .page-faq .faq-rail-list li {
    flex: 0 0 auto;
  }

  .page-faq .faq-rail-list a {
    width: 100%;
    padding: 9px 12px;
    white-space: normal;
    background: transparent;
    border: 0;
    border-left: 2px solid transparent;
    border-radius: 0;
  }

  .page-faq .faq-rail-list a:hover,
  .page-faq .faq-rail-list a:focus-visible {
    background: rgba(199, 154, 78, 0.1);
    border-left-color: var(--sand-gold);
  }

  .page-faq .faq-step-item--focus {
    padding: 6px 24px;
  }
}

@media (min-width: 1200px) {
  .page-faq .faq-step-no {
    font-size: var(--fs-64);
  }

  .page-faq .faq-step-summary {
    grid-template-columns: 96px minmax(0, 1fr) 24px;
    gap: 28px;
  }

  .page-faq .faq-step-body {
    padding-left: 124px;
  }
}

@media (prefers-reduced-motion: reduce) {
  .page-faq .faq-step-bookmark,
  .page-faq .faq-step-no,
  .page-faq .faq-step-title,
  .page-faq .faq-q-no,
  .page-faq .faq-q-title,
  .page-faq .faq-rail-list a,
  .page-faq .faq-step-mark::before,
  .page-faq .faq-step-mark::after,
  .page-faq .faq-q-mark::before,
  .page-faq .faq-q-mark::after {
    transition: none;
  }

  .page-faq .faq-step-item--focus:hover .faq-step-bookmark {
    transform: none;
  }
}
<<<END>>>