.page-faq {
  --faq-gap: 20px;
  --faq-index-w: 32%;
  background: var(--canvas);
  color: var(--ink-900);
  font-family: var(--font-sans);
}

/* 首屏 */
.page-faq .faq-hero {
  padding: 24px 0 44px;
  background: linear-gradient(180deg, var(--blue-50) 0%, var(--canvas) 82%);
  border-bottom: 1px solid var(--line-200);
}

.page-faq .breadcrumb-list {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  gap: 6px;
  list-style: none;
  margin: 0 0 14px;
  padding: 0;
  font-family: var(--font-mono);
  font-size: 12px;
  color: var(--ink-600);
}

.page-faq .breadcrumb-list li + li::before {
  content: "/";
  margin-right: 6px;
  color: var(--line-200);
}

.page-faq .breadcrumb-link {
  color: var(--ink-600);
  text-decoration: none;
}

.page-faq .breadcrumb-link:hover,
.page-faq .breadcrumb-link:focus-visible {
  color: var(--blue-600);
}

.page-faq .breadcrumb-current {
  color: var(--blue-700);
}

.page-faq .faq-scale {
  height: 12px;
  margin-bottom: 16px;
  border-bottom: 1px solid var(--line-200);
  background-image: repeating-linear-gradient(90deg, var(--line-200) 0 1px, transparent 1px 14px);
  background-repeat: repeat-x;
  background-position: bottom left;
  background-size: 14px 8px;
}

.page-faq .faq-frame {
  position: relative;
  padding: 20px;
  background: var(--paper);
  border: 1px solid var(--blue-100);
  border-radius: var(--r-lg);
  box-shadow: var(--shadow-soft);
}

.page-faq .faq-frame::before {
  content: "";
  position: absolute;
  inset: 8px;
  border: 1px dashed var(--blue-100);
  border-radius: calc(var(--r-lg) - 8px);
  pointer-events: none;
}

.page-faq .faq-hero-grid {
  display: grid;
  gap: 22px;
}

.page-faq .eyebrow {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  margin: 0 0 12px;
  font-family: var(--font-mono);
  font-size: 12px;
  letter-spacing: .08em;
  color: var(--blue-700);
}

.page-faq .eyebrow::before {
  content: "";
  width: 22px;
  height: 1px;
  background: var(--orange-500);
}

.page-faq h1 {
  margin: 0 0 14px;
  font-size: clamp(28px, 6vw, 48px);
  font-weight: 700;
  line-height: 1.22;
  letter-spacing: -.02em;
  color: var(--blue-900);
}

.page-faq .faq-lead {
  margin: 0;
  max-width: 52ch;
  font-size: 16px;
  line-height: 1.75;
  color: var(--ink-600);
}

.page-faq .faq-hero-actions {
  display: flex;
  flex-wrap: wrap;
  gap: 12px;
  margin-top: 22px;
}

.page-faq .faq-hero-aside {
  padding: 20px;
  border-radius: var(--r-md);
  background: linear-gradient(155deg, var(--blue-900) 0%, var(--blue-700) 100%);
  color: #fff;
}

.page-faq .faq-aside-label {
  margin: 0 0 12px;
  font-family: var(--font-mono);
  font-size: 12px;
  letter-spacing: .06em;
  color: var(--blue-100);
}

.page-faq .faq-aside-list {
  list-style: none;
  margin: 0 0 20px;
  padding: 0;
  display: grid;
  gap: 8px;
  font-size: 15px;
}

.page-faq .faq-aside-list li {
  display: flex;
  align-items: center;
  gap: 10px;
  padding-bottom: 8px;
  border-bottom: 1px solid rgba(255, 255, 255, .16);
}

.page-faq .faq-aside-num {
  font-family: var(--font-mono);
  font-size: 12px;
  color: var(--orange-500);
}

.page-faq .faq-aside-contact .faq-aside-label {
  margin-bottom: 8px;
}

.page-faq .copy-btn {
  display: inline-flex;
  align-items: center;
  gap: 10px;
  padding: 8px 12px;
  border: 1px solid var(--line-200);
  border-radius: var(--pill);
  background: var(--paper);
  color: var(--ink-900);
  font-family: var(--font-mono);
  font-size: 13px;
  cursor: pointer;
  transition: border-color .2s var(--ease), background .2s var(--ease);
}

.page-faq .copy-btn:hover,
.page-faq .copy-btn:focus-visible {
  border-color: var(--blue-600);
  background: var(--blue-50);
}

.page-faq .faq-hero-aside .copy-btn {
  width: 100%;
  justify-content: space-between;
  background: rgba(255, 255, 255, .1);
  border-color: rgba(255, 255, 255, .3);
  color: #fff;
}

.page-faq .faq-hero-aside .copy-btn:hover,
.page-faq .faq-hero-aside .copy-btn:focus-visible {
  background: rgba(255, 255, 255, .2);
  border-color: var(--orange-500);
}

.page-faq .copy-btn-hint {
  font-family: var(--font-sans);
  font-size: 12px;
  color: var(--blue-700);
}

.page-faq .faq-hero-aside .copy-btn-hint {
  color: var(--orange-100);
}

.page-faq .copy-btn.is-copied .copy-btn-hint {
  color: var(--orange-600);
}

.page-faq .faq-hero-aside .copy-btn.is-copied .copy-btn-hint {
  color: var(--orange-500);
}

/* 主体分栏 */
.page-faq .faq-main {
  padding: 40px 0 64px;
}

.page-faq .faq-shell {
  display: grid;
  gap: 28px;
}

.page-faq .faq-index {
  padding: 18px;
  background: var(--paper);
  border: 1px solid var(--line-200);
  border-radius: var(--r-md);
}

.page-faq .faq-index-title {
  margin: 0 0 12px;
  font-family: var(--font-mono);
  font-size: 12px;
  letter-spacing: .08em;
  color: var(--ink-600);
}

.page-faq .faq-index-list {
  list-style: none;
  margin: 0 0 14px;
  padding: 0;
  display: grid;
  gap: 2px;
}

.page-faq .faq-index-link {
  display: flex;
  align-items: center;
  gap: 10px;
  padding: 10px 10px;
  border-left: 3px solid transparent;
  border-radius: var(--r-sm);
  color: var(--ink-900);
  font-size: 15px;
  line-height: 1.5;
  text-decoration: none;
  transition: background .2s var(--ease), border-color .2s var(--ease), color .2s var(--ease);
}

.page-faq .faq-index-link:hover,
.page-faq .faq-index-link:focus-visible {
  background: var(--blue-50);
  border-left-color: var(--orange-500);
  color: var(--blue-700);
}

.page-faq .mono-tag {
  flex: 0 0 auto;
  padding: 2px 6px;
  border-radius: var(--r-xs);
  background: var(--blue-100);
  color: var(--blue-700);
  font-family: var(--font-mono);
  font-size: 12px;
}

.page-faq .faq-index-note {
  margin: 0;
  padding-top: 12px;
  border-top: 1px dashed var(--line-200);
  font-size: 13px;
  color: var(--ink-600);
}

.page-faq .faq-index-note a {
  color: var(--orange-600);
  font-weight: 600;
  text-decoration: none;
}

.page-faq .faq-index-note a:hover,
.page-faq .faq-index-note a:focus-visible {
  text-decoration: underline;
}

/* 问题分组 */
.page-faq .faq-group {
  scroll-margin-top: 96px;
}

.page-faq .faq-group + .faq-group {
  margin-top: 40px;
  padding-top: 32px;
  border-top: 1px solid var(--line-200);
}

.page-faq .faq-group-head {
  display: grid;
  gap: 8px;
  margin-bottom: 18px;
}

.page-faq .faq-group-head .tag {
  justify-self: start;
  font-family: var(--font-mono);
  font-size: 12px;
  padding: 3px 9px;
  border-radius: var(--pill);
}

.page-faq .faq-group-head h2 {
  margin: 0;
  font-size: clamp(20px, 3.4vw, 27px);
  font-weight: 700;
  line-height: 1.3;
  color: var(--blue-900);
}

.page-faq .faq-group-head p {
  margin: 0;
  max-width: 60ch;
  font-size: 15px;
  line-height: 1.75;
  color: var(--ink-600);
}

.page-faq .faq-group-grid {
  display: grid;
  gap: 22px;
}

/* 手风琴 */
.page-faq .accordion {
  border-top: 1px solid var(--line-200);
}

.page-faq .accordion-item {
  border-bottom: 1px solid var(--line-200);
}

.page-faq .faq-q {
  margin: 0;
  font-size: 16px;
  font-weight: 600;
}

.page-faq .accordion-trigger {
  display: flex;
  align-items: flex-start;
  gap: 12px;
  width: 100%;
  padding: 16px 8px;
  border: 0;
  border-radius: var(--r-sm);
  background: transparent;
  color: var(--ink-900);
  font-family: var(--font-sans);
  font-size: 16px;
  font-weight: 600;
  line-height: 1.55;
  text-align: left;
  cursor: pointer;
  transition: background .2s var(--ease), color .2s var(--ease);
}

.page-faq .accordion-trigger:hover,
.page-faq .accordion-trigger:focus-visible {
  background: var(--blue-50);
}

.page-faq .accordion-trigger[aria-expanded="true"] {
  background: var(--blue-50);
  color: var(--blue-900);
}

.page-faq .faq-q-num {
  flex: 0 0 auto;
  margin-top: 2px;
  padding: 2px 7px;
  border-radius: var(--r-xs);
  background: var(--blue-100);
  color: var(--blue-700);
  font-family: var(--font-mono);
  font-size: 12px;
  line-height: 1.6;
}

.page-faq .accordion-trigger[aria-expanded="true"] .faq-q-num {
  background: var(--orange-100);
  color: var(--orange-600);
}

.page-faq .faq-q-text {
  flex: 1 1 auto;
  min-width: 0;
}

.page-faq .faq-q-icon {
  position: relative;
  flex: 0 0 auto;
  width: 16px;
  height: 16px;
  margin-top: 4px;
}

.page-faq .faq-q-icon::before,
.page-faq .faq-q-icon::after {
  content: "";
  position: absolute;
  top: 50%;
  left: 0;
  width: 16px;
  height: 2px;
  border-radius: 2px;
  background: var(--blue-600);
  transition: transform .24s var(--ease), opacity .24s var(--ease);
}

.page-faq .faq-q-icon::after {
  transform: rotate(90deg);
}

.page-faq .accordion-trigger[aria-expanded="true"] .faq-q-icon::after {
  transform: rotate(90deg) scaleX(0);
  opacity: 0;
}

.page-faq .accordion-panel {
  padding: 0 8px 18px 8px;
  font-size: 15px;
  line-height: 1.78;
  color: var(--ink-600);
}

.page-faq .accordion-panel p {
  margin: 0 0 10px;
}

.page-faq .accordion-panel p:last-child {
  margin-bottom: 0;
}

.page-faq .accordion-panel a {
  color: var(--blue-700);
  font-weight: 600;
  text-decoration: none;
  border-bottom: 1px solid var(--blue-100);
}

.page-faq .accordion-panel a:hover,
.page-faq .accordion-panel a:focus-visible {
  color: var(--orange-600);
  border-bottom-color: var(--orange-500);
}

.page-faq .faq-steps {
  list-style: none;
  counter-reset: faq-step;
  margin: 10px 0 12px;
  padding: 0;
  display: grid;
  gap: 10px;
}

.page-faq .faq-steps li {
  counter-increment: faq-step;
  display: grid;
  grid-template-columns: 24px minmax(0, 1fr);
  gap: 10px;
  align-items: start;
}

.page-faq .faq-steps li::before {
  content: counter(faq-step);
  width: 24px;
  height: 22px;
  border-radius: var(--pill);
  background: var(--blue-50);
  border: 1px solid var(--blue-100);
  color: var(--blue-700);
  font-family: var(--font-mono);
  font-size: 12px;
  line-height: 20px;
  text-align: center;
}

.page-faq .faq-steps strong {
  color: var(--ink-900);
  font-weight: 600;
}

.page-faq .faq-tip {
  margin: 12px 0 0;
  padding: 10px 12px;
  border-left: 3px solid var(--orange-500);
  border-radius: var(--r-sm);
  background: var(--orange-100);
  color: var(--orange-600);
  font-size: 14px;
  line-height: 1.7;
}

.page-faq .faq-copy-row {
  display: flex;
  flex-wrap: wrap;
  gap: 10px;
  margin-top: 14px;
}

/* 插图 */
.page-faq .faq-figure {
  margin: 0;
}

.page-faq .faq-figure img {
  display: block;
  width: 100%;
  max-width: 100%;
  height: auto;
  border: 1px solid var(--line-200);
  border-radius: var(--r-md);
  background: var(--blue-50);
  object-fit: cover;
}

.page-faq .faq-figure figcaption {
  margin-top: 8px;
  font-size: 13px;
  line-height: 1.6;
  color: var(--ink-600);
}

/* 收尾行动区 */
.page-faq .faq-cta {
  display: grid;
  gap: 18px;
  margin-top: 44px;
  padding: 24px;
  border: 1px solid var(--blue-100);
  border-radius: var(--r-lg);
  background: linear-gradient(120deg, var(--blue-50) 0%, var(--paper) 70%);
}

.page-faq .faq-cta h2 {
  margin: 0 0 8px;
  font-size: clamp(19px, 3vw, 24px);
  font-weight: 700;
  line-height: 1.3;
  color: var(--blue-900);
}

.page-faq .faq-cta p {
  margin: 0;
  font-size: 15px;
  line-height: 1.75;
  color: var(--ink-600);
}

.page-faq .faq-cta p a {
  color: var(--orange-600);
  font-weight: 600;
  text-decoration: none;
  border-bottom: 1px solid var(--orange-100);
}

.page-faq .faq-cta p a:hover,
.page-faq .faq-cta p a:focus-visible {
  border-bottom-color: var(--orange-500);
}

.page-faq .faq-cta-actions {
  display: flex;
  flex-wrap: wrap;
  gap: 12px;
}

@media (min-width: 720px) {
  .page-faq .faq-hero {
    padding: 32px 0 56px;
  }

  .page-faq .faq-frame {
    padding: 30px;
  }

  .page-faq .faq-hero-grid {
    grid-template-columns: minmax(0, 1.45fr) minmax(0, 1fr);
    gap: 32px;
    align-items: start;
  }

  .page-faq .accordion-trigger {
    font-size: 16.5px;
    padding: 18px 10px;
  }

  .page-faq .accordion-panel {
    padding: 0 10px 20px 10px;
  }

  .page-faq .faq-cta {
    grid-template-columns: minmax(0, 1fr) auto;
    align-items: center;
    padding: 28px 32px;
  }
}

@media (min-width: 960px) {
  .page-faq .faq-main {
    padding: 56px 0 80px;
  }

  .page-faq .faq-shell {
    grid-template-columns: minmax(0, var(--faq-index-w)) minmax(0, 1fr);
    gap: 44px;
    align-items: start;
  }

  .page-faq .faq-index {
    position: sticky;
    top: 96px;
    align-self: start;
  }

  .page-faq .faq-group-grid {
    grid-template-columns: minmax(0, 1.2fr) minmax(0, .8fr);
    gap: 28px;
    align-items: start;
  }

  .page-faq .faq-group-head h2 {
    font-size: 28px;
  }
}

@media (prefers-reduced-motion: reduce) {
  .page-faq .copy-btn,
  .page-faq .faq-index-link,
  .page-faq .accordion-trigger,
  .page-faq .faq-q-icon::before,
  .page-faq .faq-q-icon::after {
    transition: none;
  }
}
<<<END>>>