.page-faq {
  --faq-text: #B6C2D6;
  --faq-card: linear-gradient(180deg, rgba(28, 39, 64, 0.5), rgba(16, 23, 40, 0.92));
  display: block;
  padding-bottom: 32px;
}

.page-faq .breadcrumb {
  margin-top: 16px;
}

.page-faq .faq-hero {
  position: relative;
  margin-top: 12px;
  padding-top: 32px;
  padding-bottom: 8px;
  border-radius: var(--r-lg);
  background: radial-gradient(120% 130% at 4% 0%, rgba(92, 140, 255, 0.16), transparent 62%),
              radial-gradient(90% 110% at 96% 8%, rgba(232, 65, 44, 0.10), transparent 68%);
}

.page-faq .faq-hero .page-title {
  margin-top: 10px;
  letter-spacing: -0.01em;
}

.page-faq .faq-hero .lede {
  max-width: 62ch;
  margin-top: 16px;
  color: var(--paper);
}

.page-faq .faq-hero .note {
  margin-top: 18px;
  max-width: 62ch;
}

.page-faq .faq-hero .note a {
  color: var(--link);
  text-decoration: none;
  border-bottom: 1px solid rgba(92, 140, 255, 0.4);
}

.page-faq .faq-hero .note a:hover,
.page-faq .faq-hero .note a:focus-visible {
  color: var(--hi);
  border-color: var(--hi);
}

/* 顶部快捷锚点 */
.page-faq .faq-topics {
  display: flex;
  flex-wrap: wrap;
  gap: 8px;
  margin: 24px 0 0;
  padding: 0;
  list-style: none;
}

.page-faq .faq-topics a {
  display: inline-block;
  padding: 7px 15px;
  border: 1px solid var(--line);
  border-radius: var(--r-pill);
  background: rgba(16, 23, 40, 0.72);
  color: var(--paper);
  font-size: 13px;
  line-height: 1.4;
  text-decoration: none;
  transition: border-color var(--dur) var(--ease), color var(--dur) var(--ease);
}

.page-faq .faq-topics a:hover,
.page-faq .faq-topics a:focus-visible {
  border-color: var(--link);
  color: var(--hi);
}

/* 筛选条 */
.page-faq .faq-toolbar {
  margin-top: 34px;
}

.page-faq .filter-bar {
  display: flex;
  flex-wrap: wrap;
  gap: 8px;
}

.page-faq .filter-btn {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  border-radius: var(--r-pill);
  cursor: pointer;
}

.page-faq .filter-btn[aria-pressed="true"] {
  border-color: var(--green);
  color: var(--hi);
  box-shadow: inset 0 0 0 1px var(--green), 0 0 18px rgba(56, 242, 153, 0.16);
}

.page-faq .filter-count {
  font-family: var(--font-data);
  font-variant-numeric: tabular-nums;
  font-size: 12px;
  color: var(--muted);
}

.page-faq .filter-btn[aria-pressed="true"] .filter-count {
  color: var(--green);
}

/* 布局：主内容 + 右侧窄栏 */
.page-faq .faq-layout {
  display: grid;
  grid-template-columns: minmax(0, 1fr);
  gap: 48px;
  margin-top: 44px;
}

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

.page-faq .faq-aside {
  display: grid;
  align-content: start;
  gap: 16px;
  min-width: 0;
}

/* 问答分组 */
.page-faq .qa-group {
  margin-bottom: 68px;
}

.page-faq .qa-group:last-child {
  margin-bottom: 0;
}

.page-faq .qa-group-head {
  position: relative;
  padding-left: 18px;
  margin-bottom: 26px;
}

.page-faq .qa-group-head::before {
  content: "";
  position: absolute;
  left: 0;
  top: 4px;
  bottom: 4px;
  width: 3px;
  border-radius: 3px;
  background: linear-gradient(180deg, var(--red), var(--yellow));
}

.page-faq #group-path .qa-group-head::before {
  background: linear-gradient(180deg, var(--link), var(--green));
}

.page-faq #group-caliber .qa-group-head::before {
  background: linear-gradient(180deg, var(--red), var(--yellow));
}

.page-faq #group-sync .qa-group-head::before {
  background: linear-gradient(180deg, var(--green), var(--link));
}

.page-faq #group-fix .qa-group-head::before {
  background: linear-gradient(180deg, var(--red), rgba(232, 65, 44, 0.25));
}

.page-faq .qa-group-head .section-note {
  margin-top: 10px;
  max-width: 56ch;
}

/* 问答卡片 */
.page-faq .qa-card {
  margin-bottom: 14px;
  border: 1px solid var(--line);
  border-radius: var(--r-lg);
  background: var(--faq-card);
  overflow: hidden;
  transition: border-color var(--dur) var(--ease), background var(--dur) var(--ease);
}

.page-faq .qa-card:last-child {
  margin-bottom: 0;
}

.page-faq .qa-card:hover {
  border-color: #26365A;
}

.page-faq .qa-card[open] {
  border-color: rgba(56, 242, 153, 0.32);
}

.page-faq .qa-summary {
  display: grid;
  grid-template-columns: auto minmax(0, 1fr) auto;
  align-items: start;
  gap: 14px;
  padding: 22px 20px;
  cursor: pointer;
  list-style: none;
}

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

.page-faq .qa-summary:focus-visible {
  outline: 2px solid var(--link);
  outline-offset: -2px;
}

.page-faq .qa-index {
  padding-top: 6px;
  font-family: var(--font-data);
  font-variant-numeric: tabular-nums;
  font-size: 13px;
  color: var(--muted);
}

.page-faq .qa-question {
  font-size: 19px;
  font-weight: 700;
  line-height: 1.45;
  color: var(--paper);
}

.page-faq .qa-mark {
  position: relative;
  flex: none;
  width: 22px;
  height: 22px;
  margin-top: 4px;
  border: 1px solid var(--line);
  border-radius: 50%;
  transition: border-color var(--dur) var(--ease);
}

.page-faq .qa-mark::before,
.page-faq .qa-mark::after {
  content: "";
  position: absolute;
  left: 50%;
  top: 50%;
  transform: translate(-50%, -50%);
  background: var(--muted);
}

.page-faq .qa-mark::before {
  width: 10px;
  height: 1.5px;
}

.page-faq .qa-mark::after {
  width: 1.5px;
  height: 10px;
  transition: opacity var(--dur) var(--ease);
}

.page-faq .qa-card[open] .qa-mark {
  border-color: rgba(56, 242, 153, 0.55);
}

.page-faq .qa-card[open] .qa-mark::before {
  background: var(--green);
}

.page-faq .qa-card[open] .qa-mark::after {
  opacity: 0;
}

.page-faq .qa-body {
  margin: 0 20px;
  padding: 18px 0 24px;
  border-top: 1px solid var(--line);
}

.page-faq .qa-card[open] .qa-body {
  animation: faq-fade var(--dur) var(--ease);
}

.page-faq .qa-body p {
  margin: 0 0 12px;
  font-size: 15px;
  line-height: 1.75;
  color: var(--faq-text);
}

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

.page-faq .qa-body .note {
  margin-top: 8px;
}

/* 步骤列表 */
.page-faq .qa-steps {
  counter-reset: faq-step;
  margin: 0 0 14px;
  padding: 0;
  list-style: none;
}

.page-faq .qa-steps li {
  counter-increment: faq-step;
  display: grid;
  grid-template-columns: 32px minmax(0, 1fr);
  gap: 12px;
  padding: 11px 0;
  border-bottom: 1px dashed var(--line);
  font-size: 15px;
  line-height: 1.7;
  color: var(--faq-text);
}

.page-faq .qa-steps li:first-child {
  border-top: 1px dashed var(--line);
}

.page-faq .qa-steps li::before {
  content: counter(faq-step, decimal-leading-zero);
  padding-top: 3px;
  font-family: var(--font-data);
  font-variant-numeric: tabular-nums;
  font-size: 13px;
  color: var(--yellow);
}

.page-faq .qa-body .btn {
  margin-top: 4px;
}

/* 同步分组内的小网格 */
.page-faq .qa-group-grid {
  display: grid;
  grid-template-columns: minmax(0, 1fr);
  gap: 24px;
  align-items: start;
}

.page-faq .qa-group-list {
  min-width: 0;
}

/* 侧栏 */
.page-faq .faq-figure,
.page-faq .faq-phone {
  margin: 0;
}

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

.page-faq .faq-phone {
  max-width: 300px;
  margin-left: auto;
  margin-right: auto;
}

.page-faq .aside-card {
  padding: 20px;
  border: 1px solid var(--line);
  border-radius: var(--r-md);
  background: rgba(16, 23, 40, 0.74);
}

.page-faq .aside-card--tone {
  border-color: rgba(232, 65, 44, 0.28);
  background: linear-gradient(158deg, rgba(232, 65, 44, 0.14), rgba(16, 23, 40, 0.92) 62%);
}

.page-faq .aside-title {
  margin: 0 0 14px;
  font-family: var(--font-data);
  font-size: 12px;
  letter-spacing: 0.14em;
  color: var(--muted);
}

.page-faq .aside-list {
  display: grid;
  gap: 12px;
  margin: 0;
  padding: 0;
  list-style: none;
  font-size: 14px;
  line-height: 1.65;
  color: var(--faq-text);
}

.page-faq .aside-list li {
  position: relative;
  padding-left: 16px;
}

.page-faq .aside-list li::before {
  content: "";
  position: absolute;
  left: 0;
  top: 0.72em;
  width: 7px;
  height: 1px;
  background: var(--yellow);
}

.page-faq .aside-link {
  color: var(--link);
  text-decoration: none;
  border-bottom: 1px solid rgba(92, 140, 255, 0.42);
}

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

.page-faq .aside-card .note {
  margin: 0 0 14px;
}

@keyframes faq-fade {
  from { opacity: 0; }
  to { opacity: 1; }
}

@media (min-width: 720px) {
  .page-faq .qa-summary {
    padding: 24px 24px;
    gap: 18px;
  }

  .page-faq .qa-question {
    font-size: 21px;
  }

  .page-faq .qa-body {
    margin: 0 24px;
    padding: 20px 0 26px;
  }

  .page-faq .qa-group-grid {
    grid-template-columns: minmax(0, 1fr) 220px;
    gap: 28px;
  }

  .page-faq .faq-phone {
    max-width: 100%;
  }
}

@media (min-width: 900px) {
  .page-faq .faq-layout {
    grid-template-columns: minmax(0, 1fr) 310px;
    gap: 56px;
  }

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

  .page-faq .qa-group {
    margin-bottom: 84px;
  }

  .page-faq .qa-body {
    margin: 0 24px 0 60px;
  }
}

@media (prefers-reduced-motion: reduce) {
  .page-faq .qa-card[open] .qa-body {
    animation: none;
  }

  .page-faq .qa-card,
  .page-faq .qa-mark,
  .page-faq .filter-btn,
  .page-faq .faq-topics a {
    transition: none;
  }
}