.page-faq {
  display: block;
  background: var(--paper);
  color: var(--ink);
  font-family: var(--font-body);
  padding-bottom: 56px;
}

/* ---- 面包屑与页首 ---- */
.page-faq .breadcrumb {
  display: flex;
  align-items: center;
  gap: 8px;
  padding-top: 26px;
  font-family: var(--font-data);
  font-size: 12px;
  letter-spacing: .04em;
}
.page-faq .breadcrumb__link {
  color: var(--pitch);
  text-decoration: none;
}
.page-faq .breadcrumb__link:hover { text-decoration: underline; text-underline-offset: 3px; }
.page-faq .breadcrumb__current { color: var(--ink); }

.page-faq .faq-head {
  padding: 20px 0 30px;
  border-bottom: var(--rule-heavy);
}
.page-faq .faq-head .page-head__eyebrow {
  margin: 0;
  font-family: var(--font-data);
  font-size: 12px;
  letter-spacing: .16em;
  color: var(--clay);
}
.page-faq .faq-head .h1 {
  margin: 12px 0 18px;
  font-family: var(--font-display);
  font-weight: 900;
  font-size: clamp(28px, 8vw, 64px);
  line-height: 1.04;
  letter-spacing: -.02em;
  max-width: 13em;
}
.page-faq .faq-head .lead {
  margin: 0;
  max-width: 34em;
  font-size: 17px;
  line-height: 1.8;
}

.page-faq .faq-jump {
  display: flex;
  flex-wrap: wrap;
  gap: 8px;
  margin: 24px 0 0;
  padding: 0;
  list-style: none;
}
.page-faq .faq-jump a {
  display: inline-block;
  padding: 7px 12px;
  border: 2px solid var(--ink);
  background: var(--paper);
  color: var(--ink);
  font-family: var(--font-head);
  font-weight: 800;
  font-size: 13px;
  text-decoration: none;
  transition: transform var(--t-fast), background var(--t-fast), color var(--t-fast);
}
.page-faq .faq-jump a:hover {
  background: var(--pitch);
  color: var(--paper);
  transform: translateY(-2px);
}
.page-faq .faq-jump a:focus-visible {
  outline: 3px solid var(--clay);
  outline-offset: 2px;
}

/* ---- 图示 ---- */
.page-faq .faq-figure {
  margin: 32px 0 0;
  border: var(--rule-heavy);
  background: var(--deep);
  box-shadow: var(--shadow-hard);
}
.page-faq .faq-figure__media {
  aspect-ratio: 3 / 2;
  overflow: hidden;
  background: var(--deep);
}
.page-faq .faq-figure--screen .faq-figure__media { aspect-ratio: 10 / 7; }
.page-faq .faq-figure__media img {
  display: block;
  width: 100%;
  height: 100%;
  max-width: 100%;
  object-fit: cover;
}
.page-faq .faq-figure .figure__cap {
  padding: 12px 16px;
  border-top: var(--rule-heavy);
  background: var(--paper);
  font-size: 14px;
  line-height: 1.65;
}

/* ---- 章节骨架 ---- */
.page-faq .faq-sec {
  padding-top: 48px;
  scroll-margin-top: 112px;
}
.page-faq .faq-sec__head {
  padding-top: 22px;
  margin-bottom: 26px;
  border-top: var(--hairline);
}
.page-faq .faq-sec__head .h2 {
  margin: 0 0 10px;
  font-family: var(--font-head);
  font-weight: 800;
  font-size: clamp(22px, 5.4vw, 30px);
  line-height: 1.18;
  letter-spacing: -.01em;
}
.page-faq .faq-sec__head .prose {
  margin: 0;
  max-width: 36em;
  font-size: 16px;
  line-height: 1.8;
}
.page-faq .faq-link {
  color: var(--pitch);
  text-decoration: underline;
  text-underline-offset: 3px;
}
.page-faq .faq-link:hover { color: var(--clay); }

/* ---- 三步自查 ---- */
.page-faq .faq-steps {
  list-style: none;
  margin: 0;
  padding: 0;
  display: grid;
  gap: 0;
  border-top: var(--rule-heavy);
}
.page-faq .faq-step {
  display: grid;
  grid-template-columns: 60px minmax(0, 1fr);
  column-gap: 16px;
  padding: 20px 0 24px;
  border-bottom: var(--hairline);
}
.page-faq .faq-step__num {
  grid-row: 1 / span 2;
  font-family: var(--font-data);
  font-size: 30px;
  font-weight: 700;
  line-height: 1;
  color: var(--clay);
  font-variant-numeric: tabular-nums;
}
.page-faq .faq-step .h3 {
  margin: 2px 0 8px;
  font-family: var(--font-head);
  font-weight: 800;
  font-size: 17px;
  line-height: 1.45;
}
.page-faq .faq-step p {
  margin: 0;
  font-size: 15px;
  line-height: 1.8;
}

/* ---- 更新节奏面板 ---- */
.page-faq .faq-band {
  margin: 0 0 30px;
  border: var(--rule-heavy);
  background: var(--deep);
  color: var(--paper);
  box-shadow: var(--shadow-hard);
}
.page-faq .faq-band__title {
  margin: 0;
  padding: 16px 20px 8px;
  font-family: var(--font-head);
  font-weight: 800;
  font-size: 13px;
  letter-spacing: .16em;
  color: var(--lime);
}
.page-faq .faq-band__grid {
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
}
.page-faq .faq-band__item {
  padding: 14px 20px 20px;
  border-top: var(--hairline);
}
.page-faq .faq-band__num {
  margin: 0 0 6px;
  font-family: var(--font-data);
  font-size: 26px;
  font-weight: 700;
  line-height: 1.1;
  color: var(--lime);
  font-variant-numeric: tabular-nums;
}
.page-faq .faq-band__label {
  margin: 0;
  font-size: 13px;
  line-height: 1.6;
  color: var(--silver);
}

/* ---- 问答条目 ---- */
.page-faq .qa-list {
  border-top: var(--rule-heavy);
}
.page-faq .qa {
  border-bottom: var(--hairline);
}
.page-faq .qa__q {
  display: grid;
  grid-template-columns: 42px minmax(0, 1fr) 20px;
  column-gap: 12px;
  align-items: start;
  padding: 16px 0;
  cursor: pointer;
  list-style: none;
}
.page-faq .qa__q::-webkit-details-marker { display: none; }
.page-faq .qa__q:focus-visible {
  outline: 3px solid var(--clay);
  outline-offset: 2px;
}
.page-faq .qa__num {
  padding-top: 3px;
  font-family: var(--font-data);
  font-size: 13px;
  font-weight: 700;
  color: var(--clay);
  font-variant-numeric: tabular-nums;
}
.page-faq .qa__title {
  font-family: var(--font-head);
  font-weight: 800;
  font-size: 17px;
  line-height: 1.5;
}
.page-faq .qa__mark {
  position: relative;
  width: 16px;
  height: 16px;
  margin-top: 4px;
  border: 2px solid var(--ink);
}
.page-faq .qa__mark::before,
.page-faq .qa__mark::after {
  content: "";
  position: absolute;
  background: var(--ink);
}
.page-faq .qa__mark::before {
  left: 3px;
  right: 3px;
  top: 5px;
  height: 2px;
}
.page-faq .qa__mark::after {
  top: 3px;
  bottom: 3px;
  left: 5px;
  width: 2px;
  transition: transform var(--t-fast);
}
.page-faq .qa[open] .qa__mark::after { transform: scaleY(0); }

.page-faq .qa__a { padding: 0 0 24px 54px; }
.page-faq .qa__a p {
  margin: 0 0 12px;
  max-width: 34em;
  font-size: 15px;
  line-height: 1.8;
}
.page-faq .qa__a p:last-child { margin-bottom: 0; }
.page-faq .qa__steps {
  list-style: none;
  margin: 0;
  padding: 0;
  display: grid;
  gap: 8px;
}
.page-faq .qa__steps li {
  display: grid;
  grid-template-columns: 20px minmax(0, 1fr);
  column-gap: 10px;
  font-size: 14.5px;
  line-height: 1.75;
}
.page-faq .qa__steps .data {
  padding-top: 3px;
  font-family: var(--font-data);
  font-size: 13px;
  font-weight: 700;
  color: var(--pitch);
}

/* ---- 收尾求助区 ---- */
.page-faq .faq-help {
  display: grid;
  gap: 26px;
  padding: 26px 22px 30px;
  border: var(--rule-heavy);
  background: var(--deep);
  color: var(--paper);
  box-shadow: var(--shadow-hard);
}
.page-faq .faq-help .h3 {
  margin: 0 0 14px;
  font-family: var(--font-head);
  font-weight: 800;
  font-size: 18px;
  color: var(--paper);
}
.page-faq .faq-help__list {
  margin: 0;
  padding: 0;
  list-style: none;
  display: grid;
  gap: 10px;
}
.page-faq .faq-help__list li {
  position: relative;
  padding-left: 20px;
  font-size: 15px;
  line-height: 1.75;
  color: var(--silver);
}
.page-faq .faq-help__list li::before {
  content: "";
  position: absolute;
  left: 0;
  top: 10px;
  width: 9px;
  height: 9px;
  background: var(--lime);
}
.page-faq .faq-help__contact {
  margin: 0 0 6px;
  font-family: var(--font-data);
  font-size: 18px;
  font-weight: 700;
  color: var(--lime);
  word-break: break-all;
}
.page-faq .faq-help__note {
  margin: 0 0 20px;
  font-size: 13px;
  line-height: 1.7;
  color: var(--silver);
}
.page-faq .faq-help__side {
  padding-top: 22px;
  border-top: var(--hairline);
}

/* ---- 中等屏幕 ---- */
@media (min-width: 640px) {
  .page-faq .faq-steps {
    grid-template-columns: repeat(3, minmax(0, 1fr));
    border-top: none;
  }
  .page-faq .faq-step {
    grid-template-columns: minmax(0, 1fr);
    padding: 22px 24px 26px 0;
    border-bottom: none;
    border-top: var(--rule-heavy);
    border-right: var(--hairline);
  }
  .page-faq .faq-step:last-child { border-right: none; padding-right: 0; }
  .page-faq .faq-step__num {
    grid-row: auto;
    margin-bottom: 12px;
    font-size: 46px;
  }
  .page-faq .faq-band__title { padding-left: 24px; padding-right: 24px; }
  .page-faq .faq-band__item { padding: 16px 24px 22px; }
  .page-faq .faq-help {
    grid-template-columns: minmax(0, 1.2fr) minmax(0, 1fr);
    gap: 34px;
    padding: 30px 28px 34px;
  }
  .page-faq .faq-help__side {
    padding-top: 0;
    padding-left: 30px;
    border-top: none;
    border-left: var(--hairline);
  }
}

/* ---- 桌面：问答左右分栏 ---- */
@media (min-width: 900px) {
  .page-faq .faq-band__grid {
    grid-template-columns: repeat(4, minmax(0, 1fr));
  }
  .page-faq .faq-band__item {
    border-top: none;
    border-left: var(--hairline);
    padding: 18px 24px 24px;
  }
  .page-faq .faq-band__item:first-child { border-left: none; }

  .page-faq .qa {
    display: grid;
    grid-template-columns: minmax(0, 1.05fr) minmax(0, 1fr);
    align-items: start;
  }
  .page-faq .qa__q {
    grid-column: 1;
    padding-right: 30px;
  }
  .page-faq .qa__a {
    grid-column: 2;
    padding: 18px 0 26px 28px;
    border-left: var(--hairline);
  }
  .page-faq .qa__a p { max-width: 32em; }
  .page-faq .faq-head .h1 { max-width: 12em; }
}
<<<END>>>