.page-faq {
  padding-top: 1.5rem;
  padding-bottom: clamp(3rem, 7vw, 6rem);
}

.page-faq .breadcrumb {
  margin-bottom: 1.5rem;
}

/* ---------- 首屏 ---------- */
.page-faq .faq-hero {
  padding-bottom: clamp(1.5rem, 4vw, 2.5rem);
  border-bottom: 1px solid var(--c-line);
}

.page-faq .faq-title {
  font-family: var(--font-display);
  font-size: clamp(2.1rem, 7.2vw, var(--fs-72));
  font-weight: 800;
  line-height: 1;
  letter-spacing: -0.01em;
  color: var(--c-white);
  margin: 0.6rem 0 1rem;
  max-width: 22ch;
}

.page-faq .faq-lead {
  margin: 0 0 1.75rem;
  max-width: 62ch;
  color: var(--c-body);
  font-size: var(--fs-16);
  line-height: 1.8;
}

.page-faq .faq-quick {
  list-style: none;
  margin: 0;
  padding: 1px;
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: 1px;
  background: var(--c-line);
  border: 1px solid var(--c-line);
}

.page-faq .quick-cell {
  display: flex;
  flex-direction: column;
  gap: 0.3rem;
  padding: 0.9rem 1rem;
  background: var(--c-carbon);
}

.page-faq .quick-value {
  font-family: var(--font-mono);
  font-weight: 700;
  font-size: var(--fs-26);
  line-height: 1.05;
  color: var(--c-cyan);
}

.page-faq .quick-label {
  font-size: var(--fs-12);
  line-height: 1.5;
  color: var(--c-body);
}

/* ---------- 双栏 ---------- */
.page-faq .faq-layout {
  display: grid;
  gap: clamp(1.75rem, 4vw, 3rem);
  margin-top: clamp(2rem, 4vw, 3rem);
}

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

.page-faq .faq-sec {
  margin-bottom: clamp(2.5rem, 5vw, 3.75rem);
}

.page-faq .faq-sec-head {
  border-bottom: 1px solid var(--c-line);
  padding-bottom: 0.9rem;
  margin-bottom: 1.4rem;
}

.page-faq .sec-title {
  font-family: var(--font-display);
  font-size: clamp(1.45rem, 3.6vw, var(--fs-34));
  font-weight: 800;
  line-height: 1.2;
  color: var(--c-white);
  margin: 0.35rem 0 0.5rem;
}

.page-faq .sec-note {
  margin: 0;
  max-width: 52ch;
  color: var(--c-body);
  font-size: var(--fs-14);
  line-height: 1.7;
}

/* ---------- 图片 ---------- */
.page-faq .faq-figure {
  margin: 0 0 1.5rem;
  border: 1px solid var(--c-line);
  position: relative;
}

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

.page-faq .faq-figure--sub {
  margin-bottom: 1.1rem;
}

/* ---------- 编号步骤 ---------- */
.page-faq .step {
  display: grid;
  grid-template-columns: 2.6rem minmax(0, 1fr);
  gap: 0.6rem 1rem;
  padding: 1.2rem 1.1rem;
  margin-bottom: 1rem;
  background: var(--c-pine);
  border: 1px solid var(--c-line);
  border-left: 2px solid var(--c-cyan);
}

.page-faq .step-num {
  font-weight: 700;
  font-size: var(--fs-34);
  line-height: 0.95;
  color: var(--c-cyan);
}

.page-faq .step-body {
  min-width: 0;
}

.page-faq .step-title {
  margin: 0 0 0.6rem;
  font-size: var(--fs-20);
  line-height: 1.4;
  font-weight: 700;
  color: var(--c-white);
}

.page-faq .step-line {
  margin: 0.35rem 0;
  font-size: var(--fs-14);
  line-height: 1.75;
  color: var(--c-body);
}

.page-faq .step-key {
  display: inline-block;
  margin-right: 0.5rem;
  padding: 0 0.4rem;
  font-family: var(--font-mono);
  font-size: var(--fs-12);
  letter-spacing: 0.06em;
  color: var(--c-mist);
  border: 1px solid var(--c-line);
}

.page-faq .faq-tip {
  margin: 1.1rem 0 0;
  padding-left: 0.9rem;
  border-left: 1px solid var(--c-line);
  font-size: var(--fs-14);
  line-height: 1.8;
  color: var(--c-body);
}

.page-faq .text-link {
  color: var(--c-cyan);
  text-decoration: none;
  border-bottom: 1px solid var(--c-line);
}

.page-faq .text-link:hover,
.page-faq .text-link:focus-visible {
  color: var(--c-mist);
  border-bottom-color: var(--c-mist);
}

/* ---------- 订阅 ---------- */
.page-faq .subscribe-wrap {
  display: grid;
  gap: 1.2rem;
}

.page-faq .mini-step {
  display: grid;
  grid-template-columns: 2.2rem minmax(0, 1fr);
  gap: 0.8rem;
  padding: 0.85rem 0;
  border-bottom: 1px solid var(--c-line);
}

.page-faq .mini-step:first-child {
  border-top: 1px solid var(--c-line);
}

.page-faq .mini-num {
  font-weight: 700;
  font-size: var(--fs-20);
  line-height: 1.4;
  color: var(--c-mist);
}

.page-faq .mini-step p {
  margin: 0;
  font-size: var(--fs-14);
  line-height: 1.8;
  color: var(--c-body);
}

/* ---------- 主客场 ---------- */
.page-faq .view-grid {
  display: grid;
  gap: 1rem;
  margin-bottom: 1.4rem;
}

.page-faq .view-card {
  padding: 1.2rem 1.1rem;
  background: var(--c-carbon);
  border: 1px solid var(--c-line);
}

.page-faq .view-card h3 {
  margin: 0 0 0.6rem;
  font-family: var(--font-serif);
  font-size: var(--fs-16);
  font-weight: 600;
  color: var(--c-white);
  letter-spacing: 0.01em;
}

.page-faq .view-card p {
  margin: 0 0 0.85rem;
  font-size: var(--fs-14);
  line-height: 1.8;
  color: var(--c-body);
}

.page-faq .view-card .text-link {
  font-size: var(--fs-14);
}

.page-faq .version-pair {
  display: grid;
  gap: 1px;
  background: var(--c-line);
  border: 1px solid var(--c-line);
}

.page-faq .version-cell {
  padding: 1.1rem 1.1rem 1.2rem;
  background: var(--c-pine);
}

.page-faq .version-cell h3 {
  margin: 0.6rem 0 0.5rem;
  font-size: var(--fs-16);
  font-weight: 700;
  color: var(--c-white);
}

.page-faq .version-cell p {
  margin: 0;
  font-size: var(--fs-14);
  line-height: 1.8;
  color: var(--c-body);
}

/* ---------- 问答 ---------- */
.page-faq .faq-list {
  border-top: 1px solid var(--c-line);
}

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

.page-faq .faq-item > summary {
  list-style: none;
  cursor: pointer;
  display: grid;
  grid-template-columns: 1.9rem minmax(0, 1fr) 1.2rem;
  align-items: start;
  gap: 0.7rem;
  padding: 1rem 0.2rem;
  color: var(--c-white);
  font-size: var(--fs-16);
  font-weight: 700;
  line-height: 1.55;
}

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

.page-faq .faq-item > summary:hover .faq-q,
.page-faq .faq-item > summary:focus-visible .faq-q {
  color: var(--c-cyan);
}

.page-faq .faq-idx {
  font-size: var(--fs-14);
  line-height: 1.7;
  color: var(--c-cyan);
}

.page-faq .faq-mark {
  font-family: var(--font-mono);
  font-size: var(--fs-20);
  line-height: 1.3;
  text-align: right;
  color: var(--c-mist);
  transition: transform 0.2s ease;
}

.page-faq .faq-item[open] .faq-mark {
  transform: rotate(45deg);
}

.page-faq .faq-body {
  padding: 0 0 1.2rem calc(1.9rem + 0.7rem);
}

.page-faq .faq-body p {
  margin: 0;
  font-size: var(--fs-14);
  line-height: 1.85;
  color: var(--c-body);
}

/* ---------- 联系 ---------- */
.page-faq .help-card {
  padding: clamp(1.2rem, 3.5vw, 2rem);
  background: var(--c-paper);
  border: 1px solid var(--c-line);
  box-shadow: 6px 6px 0 var(--c-carbon);
}

.page-faq .help-card .eyebrow {
  color: var(--c-carbon);
}

.page-faq .help-card .sec-title {
  color: var(--c-carbon);
}

.page-faq .help-card p {
  margin: 0 0 0.9rem;
  font-size: var(--fs-14);
  line-height: 1.85;
  color: var(--c-carbon);
}

.page-faq .help-list {
  margin: 0 0 1rem;
  padding-left: 1.2rem;
  font-size: var(--fs-14);
  line-height: 1.9;
  color: var(--c-carbon);
}

.page-faq .help-list li {
  margin-bottom: 0.3rem;
}

.page-faq .help-contact {
  font-family: var(--font-mono);
  font-size: var(--fs-14);
  border-top: 1px solid var(--c-line);
  padding-top: 0.9rem;
}

.page-faq .help-contact a {
  color: var(--c-carbon);
  text-decoration: none;
  border-bottom: 2px solid var(--c-pine);
}

.page-faq .help-actions {
  display: flex;
  flex-wrap: wrap;
  gap: 0.6rem;
  margin: 0;
}

/* ---------- 侧边索引 ---------- */
.page-faq .faq-aside {
  padding: 1.1rem 1rem;
  background: var(--c-carbon);
  border: 1px solid var(--c-line);
}

.page-faq .aside-title {
  margin: 0 0 0.7rem;
  font-family: var(--font-serif);
  font-size: var(--fs-14);
  font-weight: 600;
  letter-spacing: 0.06em;
  color: var(--c-mist);
}

.page-faq .aside-title--sub {
  margin-top: 1.4rem;
}

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

.page-faq .aside-list li {
  border-bottom: 1px solid var(--c-line);
}

.page-faq .aside-list li:first-child {
  border-top: 1px solid var(--c-line);
}

.page-faq .aside-link {
  display: block;
  padding: 0.5rem 0.1rem;
  font-size: var(--fs-14);
  line-height: 1.5;
  color: var(--c-body);
  text-decoration: none;
}

.page-faq .aside-link:hover,
.page-faq .aside-link:focus-visible {
  color: var(--c-cyan);
}

.page-faq .aside-list--q .aside-link {
  font-size: var(--fs-12);
}

/* ---------- 响应式 ---------- */
@media (min-width: 700px) {
  .page-faq .faq-quick {
    grid-template-columns: repeat(4, minmax(0, 1fr));
  }

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

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

  .page-faq .step {
    grid-template-columns: 3.4rem minmax(0, 1fr);
  }

  .page-faq .step-num {
    font-size: var(--fs-48);
  }
}

@media (min-width: 1000px) {
  .page-faq .faq-layout {
    grid-template-columns: minmax(0, 1fr) 288px;
    align-items: start;
  }

  .page-faq .faq-main {
    max-width: 68ch;
  }

  .page-faq .faq-aside {
    position: sticky;
    top: calc(var(--header-h) + 1.5rem);
  }
}

@media (prefers-reduced-motion: reduce) {
  .page-faq .faq-mark {
    transition: none;
  }
}
<<<PAGE_CSS_DONE>>>