.page-faq .crumbs {
  padding-top: clamp(16px, 3vw, 26px);
}

.page-faq .hero {
  padding-top: clamp(20px, 3vw, 34px);
}

.page-faq .hero-grid {
  display: grid;
  gap: clamp(24px, 4vw, 46px);
}

.page-faq .hero-title {
  font-family: var(--font-display);
  font-size: clamp(38px, 8.4vw, 78px);
  line-height: 0.98;
  letter-spacing: -0.01em;
  margin: 10px 0 0;
  max-width: 15ch;
  overflow-wrap: break-word;
}

.page-faq .hero-lede {
  margin-top: 18px;
  max-width: 54ch;
}

.page-faq .hero-actions {
  display: flex;
  flex-wrap: wrap;
  gap: 12px;
  margin-top: 24px;
}

.page-faq .hero-index {
  list-style: none;
  margin: clamp(26px, 4vw, 40px) 0 0;
  padding: 0;
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: 0;
  border-top: 1px solid var(--line);
}

.page-faq .hero-index li {
  border-bottom: 1px solid var(--line);
}

.page-faq .hero-index a {
  display: block;
  padding: 12px 12px 12px 0;
  font-family: var(--font-mono);
  font-size: 12px;
  letter-spacing: 0.06em;
  text-transform: uppercase;
  color: var(--muted);
  text-decoration: none;
  transition: color 160ms var(--ease), padding-left 160ms var(--ease);
}

.page-faq .hero-index a:hover,
.page-faq .hero-index a:focus-visible {
  color: var(--cyan);
  padding-left: 6px;
}

.page-faq .hero-media {
  margin: 0;
}

.page-faq .hero-media img,
.page-faq .media img {
  display: block;
  width: 100%;
  max-width: 100%;
  height: auto;
  object-fit: cover;
  border-radius: var(--radius);
  border: 1px solid var(--line);
}

.page-faq .media {
  margin: 0 0 18px;
}

.page-faq .section-head {
  max-width: 62ch;
  margin-bottom: clamp(24px, 4vw, 40px);
}

.page-faq .section-head .lede {
  margin-top: 14px;
}

/* 步骤主轴 */
.page-faq .steps-section {
  background: linear-gradient(180deg, var(--ink-900) 0%, var(--ink-800) 100%);
  border-top: 1px solid var(--line);
  border-bottom: 1px solid var(--line);
}

.page-faq .steps {
  list-style: none;
  margin: 0;
  padding: 0;
  display: grid;
  gap: 14px;
}

.page-faq .step {
  display: grid;
  grid-template-columns: auto minmax(0, 1fr);
  gap: 14px;
  padding: clamp(16px, 3vw, 24px);
  background: var(--ink-900);
  border: 1px solid var(--line);
  border-left: 2px solid var(--line);
  border-radius: var(--radius);
  transition: border-left-color 180ms var(--ease), transform 180ms var(--ease), background 180ms var(--ease);
}

.page-faq .step:hover {
  border-left-color: var(--cyan);
  background: var(--ink-700);
  transform: translateY(-2px);
}

.page-faq .step__num {
  font-family: var(--font-mono);
  font-size: 13px;
  line-height: 1;
  color: var(--cyan);
  border: 1px solid var(--line);
  border-radius: var(--radius);
  padding: 8px 9px;
  align-self: start;
}

.page-faq .step__title {
  margin: 0;
  font-size: clamp(18px, 2.2vw, 22px);
  line-height: 1.35;
  color: var(--paper);
}

.page-faq .step__text {
  margin: 10px 0 0;
  color: var(--muted);
  line-height: 1.75;
  font-size: var(--step-body);
}

.page-faq .step__hint {
  margin: 12px 0 0;
  font-family: var(--font-mono);
  font-size: 12px;
  line-height: 1.6;
  color: var(--cyan);
  opacity: 0.85;
}

/* 通用双栏 */
.page-faq .split {
  display: grid;
  gap: clamp(24px, 4vw, 52px);
}

.page-faq .split__main > .section-title {
  margin-top: 10px;
  margin-bottom: 16px;
}

.page-faq .split__main .prose {
  margin: 0 0 14px;
}

.page-faq .split__main > .text-muted {
  margin-top: 16px;
  font-size: 14px;
  line-height: 1.7;
}

.page-faq .check-list {
  list-style: none;
  margin: 22px 0 0;
  padding: 0;
  display: grid;
  gap: 10px;
}

.page-faq .check-list li {
  display: grid;
  grid-template-columns: 14px minmax(0, 1fr);
  gap: 12px;
  align-items: start;
  padding-bottom: 10px;
  border-bottom: 1px solid var(--line);
  color: var(--paper);
  line-height: 1.65;
  font-size: 15px;
}

.page-faq .check-list__mark {
  width: 12px;
  height: 12px;
  margin-top: 6px;
  border: 1px solid var(--cyan);
  border-radius: 1px;
  position: relative;
}

.page-faq .check-list__mark::after {
  content: "";
  position: absolute;
  inset: 3px;
  background: var(--cyan);
}

.page-faq .note-panel {
  padding: 18px;
  border-radius: var(--radius);
}

.page-faq .note-panel__title {
  margin: 0 0 10px;
  font-family: var(--font-mono);
  font-size: 12px;
  letter-spacing: 0.08em;
  text-transform: uppercase;
  color: var(--signal);
}

.page-faq .note-panel__list {
  list-style: none;
  margin: 0;
  padding: 0;
  display: grid;
  gap: 9px;
}

.page-faq .note-panel__list li {
  position: relative;
  padding-left: 14px;
  color: var(--muted);
  font-size: 14px;
  line-height: 1.65;
}

.page-faq .note-panel__list li::before {
  content: "";
  position: absolute;
  left: 0;
  top: 9px;
  width: 6px;
  height: 1px;
  background: var(--cyan);
}

/* 版本区块 */
.page-faq .version-section {
  background: var(--ink-800);
  border-top: 1px solid var(--line);
  border-bottom: 1px solid var(--line);
}

.page-faq .version-card {
  padding: clamp(18px, 3vw, 26px);
  background: var(--ink-900);
  border: 1px solid var(--line);
  border-top: 2px solid var(--cyan);
  border-radius: var(--radius);
  align-self: start;
}

.page-faq .version-card__code {
  font-family: var(--font-display);
  font-size: clamp(44px, 9vw, 72px);
  line-height: 1;
  letter-spacing: -0.02em;
  color: var(--paper);
  margin: 8px 0 16px;
}

.page-faq .version-card .copy-chip {
  width: 100%;
}

.page-faq .version-card__note {
  margin: 14px 0 0;
  font-size: 13px;
  line-height: 1.7;
  color: var(--muted);
}

.page-faq .device-list {
  list-style: none;
  margin: 20px 0 0;
  padding: 0;
  display: grid;
  gap: 0;
  border-top: 1px solid var(--line);
}

.page-faq .device-row {
  display: grid;
  grid-template-columns: minmax(0, 1fr) auto;
  gap: 6px 14px;
  align-items: center;
  padding: 13px 0;
  border-bottom: 1px solid var(--line);
}

.page-faq .device-row__name {
  font-family: var(--font-mono);
  font-size: 13px;
  color: var(--paper);
}

.page-faq .device-row__desc {
  grid-column: 1 / 2;
  font-size: 13px;
  line-height: 1.6;
  color: var(--muted);
}

.page-faq .device-row .tag {
  grid-row: 1 / 3;
  grid-column: 2 / 3;
  align-self: center;
}

/* 常见问题手风琴 */
.page-faq .faq-list {
  border-top: 1px solid var(--line);
}

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

.page-faq .faq-item summary {
  list-style: none;
  cursor: pointer;
  position: relative;
  padding: 18px 46px 18px 0;
  font-size: clamp(16px, 1.9vw, 18px);
  line-height: 1.55;
  color: var(--paper);
  transition: color 160ms var(--ease);
}

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

.page-faq .faq-item summary::after {
  content: "+";
  position: absolute;
  right: 10px;
  top: 50%;
  transform: translateY(-50%);
  font-family: var(--font-mono);
  font-size: 20px;
  line-height: 1;
  color: var(--cyan);
}

.page-faq .faq-item[open] summary::after {
  content: "\2212";
}

.page-faq .faq-item summary:hover {
  color: var(--new);
}

.page-faq .faq-item__body {
  padding: 0 0 20px;
  max-width: 72ch;
}

.page-faq .faq-item__body p {
  margin: 0;
  color: var(--muted);
  line-height: 1.8;
  font-size: 15px;
}

.page-faq .faq-item[open] {
  background: var(--ink-800);
}

.page-faq .faq-item[open] summary {
  padding-left: 14px;
}

.page-faq .faq-item[open] .faq-item__body {
  padding-left: 14px;
  padding-right: 14px;
}

/* 旧版本资料入口 */
.page-faq .archive-panel {
  display: grid;
  gap: 20px;
  padding: clamp(20px, 4vw, 34px);
  border: 1px solid var(--line);
  border-left: 3px solid var(--old);
  border-radius: var(--radius);
  background: linear-gradient(120deg, var(--ink-800) 0%, var(--ink-700) 100%);
}

.page-faq .archive-panel__title {
  margin: 10px 0 12px;
}

.page-faq .archive-panel__text .prose {
  margin: 0;
  max-width: 66ch;
}

.page-faq .archive-panel__btn {
  justify-self: start;
  align-self: center;
}

/* 联系支持 */
.page-faq .support-section {
  border-top: 1px solid var(--line);
}

.page-faq .contact-panel {
  padding: clamp(18px, 3vw, 24px);
  border-radius: var(--radius);
  display: grid;
  gap: 10px;
}

.page-faq .contact-panel__title {
  margin: 0 0 4px;
  font-family: var(--font-mono);
  font-size: 12px;
  letter-spacing: 0.08em;
  text-transform: uppercase;
  color: var(--cyan);
}

.page-faq .contact-panel .copy-chip {
  width: 100%;
}

.page-faq .contact-panel__line {
  margin: 0;
  font-size: 13px;
  line-height: 1.7;
  color: var(--muted);
}

.page-faq .contact-panel__btn {
  justify-self: start;
  margin-top: 6px;
}

/* 焦点可见性 */
.page-faq a:focus-visible,
.page-faq summary:focus-visible,
.page-faq button:focus-visible {
  outline: 2px solid var(--signal);
  outline-offset: 3px;
}

@media (min-width: 640px) {
  .page-faq .hero-index {
    grid-template-columns: repeat(3, minmax(0, 1fr));
  }

  .page-faq .device-row {
    grid-template-columns: minmax(0, 1fr) auto;
  }

  .page-faq .archive-panel {
    grid-template-columns: minmax(0, 1fr) auto;
    align-items: center;
  }
}

@media (min-width: 900px) {
  .page-faq .hero-grid {
    grid-template-columns: minmax(0, 1.5fr) minmax(0, 1fr);
    align-items: end;
  }

  .page-faq .split {
    grid-template-columns: minmax(0, 1.35fr) minmax(0, 1fr);
    align-items: start;
  }

  .page-faq .split--reverse {
    grid-template-columns: minmax(0, 0.85fr) minmax(0, 1.6fr);
  }

  .page-faq .steps {
    grid-template-columns: repeat(2, minmax(0, 1fr));
    gap: 16px;
  }

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

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

@media (min-width: 1140px) {
  .page-faq .steps {
    grid-template-columns: repeat(2, minmax(0, 1fr));
  }

  .page-faq .step:nth-child(3) {
    grid-column: 1 / 2;
  }
}
<<<END>>>