.page-faq {
  --faq-toc-w: 246px;
  --faq-radius: 14px;
  background: var(--paper);
  color: var(--ink);
  font-family: var(--font-body);
}

.page-faq .num {
  font-family: var(--font-num);
  font-weight: 700;
  font-variant-numeric: tabular-nums;
}

.page-faq a {
  color: inherit;
}

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

/* ---------- 页头 ---------- */
.page-faq .faq-head {
  position: relative;
  overflow: hidden;
  padding: 26px 0 36px;
  color: var(--paper);
  background:
    radial-gradient(120% 95% at 90% -10%, rgba(31, 163, 74, .58), transparent 60%),
    radial-gradient(85% 70% at 0% 110%, rgba(255, 106, 77, .22), transparent 58%),
    var(--night);
}

.page-faq .faq-head::after {
  content: "";
  position: absolute;
  left: 0;
  right: 0;
  bottom: 0;
  height: 6px;
  background: repeating-linear-gradient(90deg, var(--lime) 0 12px, transparent 12px 26px);
  opacity: .55;
}

.page-faq .faq-head-inner {
  display: grid;
  gap: 26px;
}

.page-faq .breadcrumb-list {
  display: flex;
  flex-wrap: wrap;
  gap: 10px;
  margin: 0 0 18px;
  padding: 0;
  list-style: none;
  font-size: 12px;
  letter-spacing: .06em;
  color: var(--standby);
}

.page-faq .breadcrumb-list li + li::before {
  content: "/";
  margin-right: 10px;
  color: rgba(232, 239, 230, .4);
}

.page-faq .breadcrumb-list a {
  text-decoration: none;
  border-bottom: 1px solid transparent;
  transition: color .14s var(--ease), border-color .14s var(--ease);
}

.page-faq .breadcrumb-list a:hover {
  color: var(--lime);
  border-color: var(--lime);
}

.page-faq .faq-kicker {
  margin: 0 0 12px;
  color: var(--lime);
  letter-spacing: .16em;
}

.page-faq .faq-title {
  margin: 0 0 14px;
  font-family: var(--font-display);
  font-weight: 800;
  font-size: clamp(30px, 7.4vw, 54px);
  line-height: 1.06;
  letter-spacing: -.01em;
}

.page-faq .faq-lead {
  max-width: 34em;
  margin: 0 0 22px;
  font-size: 15.5px;
  line-height: 1.78;
  color: rgba(247, 249, 244, .84);
}

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

.page-faq .faq-meta-item {
  display: flex;
  flex-direction: column;
  gap: 2px;
  min-width: 104px;
  padding: 10px 14px;
  border: 1px solid var(--rule-light);
  border-radius: 10px;
  background: var(--glass);
}

.page-faq .faq-meta-num {
  font-size: 24px;
  line-height: 1.1;
  color: var(--lime);
}

.page-faq .faq-meta-label {
  color: var(--standby);
  letter-spacing: .1em;
}

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

.page-faq .faq-head-media img {
  display: block;
  width: 100%;
  height: auto;
  max-width: 100%;
  border-radius: var(--faq-radius);
  border: 1px solid rgba(232, 239, 230, .2);
  object-fit: cover;
}

.page-faq .media-caption {
  margin: 10px 0 0;
  font-size: 12.5px;
  line-height: 1.6;
  color: var(--standby);
}

/* ---------- 快速定位 ---------- */
.page-faq .faq-finder {
  padding: 22px 0 4px;
  background: linear-gradient(180deg, rgba(31, 163, 74, .08), transparent 70%);
}

.page-faq .finder-bar {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  gap: 10px 14px;
  padding: 12px 14px;
  border: 1px solid var(--rule);
  border-radius: 12px;
  background: #fff;
  box-shadow: 0 8px 18px -16px rgba(14, 34, 51, .8);
}

.page-faq .finder-label {
  margin: 0;
  padding: 3px 8px;
  border-radius: 5px;
  background: var(--ink);
  color: var(--lime);
  letter-spacing: .16em;
}

.page-faq .finder-jumps {
  display: flex;
  flex-wrap: wrap;
  gap: 8px;
  flex: 1 1 auto;
  margin: 0;
  padding: 0;
  list-style: none;
}

.page-faq .finder-jumps a {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  padding: 7px 11px;
  border: 1px solid transparent;
  border-radius: 8px;
  background: rgba(46, 74, 92, .07);
  font-size: 13px;
  text-decoration: none;
  transition: background .14s var(--ease), color .14s var(--ease), border-color .14s var(--ease);
}

.page-faq .finder-jumps a .num {
  font-size: 11px;
  color: var(--grass-deep);
}

.page-faq .finder-jumps a:hover {
  background: var(--ink);
  border-color: var(--lime);
  color: var(--paper);
}

.page-faq .finder-jumps a:hover .num {
  color: var(--lime);
}

.page-faq .finder-contact {
  font-size: 13px;
  font-weight: 600;
  color: var(--coral);
  text-decoration: none;
  border-bottom: 2px solid rgba(255, 106, 77, .35);
  padding-bottom: 1px;
}

.page-faq .finder-contact:hover {
  border-color: var(--coral);
}

/* ---------- 高频问题轨道 ---------- */
.page-faq .faq-hot {
  display: flex;
  gap: 12px;
  padding: 16px 2px 18px;
  overflow-x: auto;
  scroll-snap-type: x mandatory;
  -webkit-overflow-scrolling: touch;
}

.page-faq .hot-card {
  flex: 0 0 min(80vw, 262px);
  scroll-snap-align: start;
  display: flex;
  flex-direction: column;
  gap: 8px;
  padding: 14px 15px 13px;
  border: 1px solid var(--rule);
  border-top: 4px solid var(--steel);
  border-radius: 12px;
  background: #fff;
  text-decoration: none;
  transition: transform .16s var(--ease), border-color .16s var(--ease), box-shadow .16s var(--ease);
}

.page-faq .hot-card:hover {
  transform: translateY(-3px);
  border-color: var(--ink);
  border-top-color: var(--coral);
  box-shadow: 0 14px 24px -20px rgba(14, 34, 51, .95);
}

.page-faq .hot-tag {
  color: var(--steel);
  letter-spacing: .12em;
}

.page-faq .hot-q {
  font-size: 14.5px;
  font-weight: 600;
  line-height: 1.55;
}

.page-faq .hot-go {
  margin-top: auto;
  font-size: 12px;
  letter-spacing: .08em;
  color: var(--grass-deep);
}

.page-faq .hot-card--account { border-top-color: var(--grass); }
.page-faq .hot-card--schedule { border-top-color: var(--lime); }
.page-faq .hot-card--device { border-top-color: var(--steel); }
.page-faq .hot-card--data { border-top-color: var(--coral); }

/* ---------- 主体两栏 ---------- */
.page-faq .faq-body {
  display: grid;
  gap: 26px;
  padding: 4px 0 56px;
}

.page-faq .faq-toc {
  padding: 16px;
  border: 1px solid var(--rule);
  border-radius: 12px;
  background: rgba(255, 255, 255, .72);
}

.page-faq .faq-toc-title {
  margin: 0 0 12px;
  color: var(--steel);
  letter-spacing: .16em;
}

.page-faq .faq-toc-list {
  margin: 0;
  padding: 0;
  list-style: none;
  counter-reset: toc;
}

.page-faq .faq-toc-list li + li {
  border-top: 1px solid var(--rule);
}

.page-faq .toc-link {
  display: flex;
  align-items: center;
  gap: 9px;
  padding: 11px 4px 11px 10px;
  font-size: 14px;
  font-weight: 600;
  line-height: 1.4;
  text-decoration: none;
  border-left: 4px solid transparent;
  transition: background .14s var(--ease), border-color .14s var(--ease), color .14s var(--ease);
}

.page-faq .toc-no {
  font-size: 11px;
  color: var(--steel);
  letter-spacing: .04em;
}

.page-faq .toc-count {
  margin-left: auto;
  padding: 1px 7px;
  border-radius: 20px;
  background: rgba(46, 74, 92, .1);
  font-size: 11px;
  color: var(--steel);
}

.page-faq .toc-link:hover {
  background: rgba(31, 163, 74, .09);
  border-left-color: var(--grass);
}

.page-faq .toc-link[aria-current="true"] {
  background: var(--ink);
  border-left-color: var(--lime);
  color: var(--paper);
}

.page-faq .toc-link[aria-current="true"] .toc-no,
.page-faq .toc-link[aria-current="true"] .toc-count {
  color: var(--lime);
  background: rgba(217, 245, 49, .14);
}

.page-faq .faq-toc-note {
  margin-top: 16px;
  padding-top: 14px;
  border-top: 1px dashed var(--rule);
  font-size: 12.5px;
  line-height: 1.7;
  color: var(--steel);
}

.page-faq .faq-toc-note .label {
  margin: 0 0 6px;
  color: var(--grass-deep);
  letter-spacing: .14em;
}

.page-faq .faq-toc-note a {
  color: var(--ink);
  font-weight: 600;
  text-decoration: none;
  border-bottom: 1px solid var(--grass);
}

.page-faq .faq-toc-note a:hover {
  color: var(--grass-deep);
}

/* ---------- 问答分区 ---------- */
.page-faq .faq-part,
.page-faq .faq-contact {
  scroll-margin-top: calc(var(--header-h) + 18px);
}

.page-faq .faq-part + .faq-part,
.page-faq .faq-part + .faq-contact {
  margin-top: 40px;
}

.page-faq .part-head {
  display: flex;
  align-items: flex-start;
  gap: 12px;
  padding-bottom: 12px;
  border-bottom: 2px solid var(--ink);
}

.page-faq .part-no {
  flex: 0 0 auto;
  font-size: 26px;
  line-height: 1;
  color: var(--grass);
  letter-spacing: -.02em;
}

.page-faq .part-title {
  margin: 0 0 4px;
  font-family: var(--font-display);
  font-weight: 800;
  font-size: clamp(21px, 4.4vw, 27px);
  line-height: 1.2;
  letter-spacing: -.01em;
}

.page-faq .part-note {
  margin: 0;
  font-size: 13.5px;
  line-height: 1.6;
  color: var(--steel);
}

/* ---------- 通道流程 ---------- */
.page-faq .flow-block {
  display: grid;
  gap: 16px;
  margin: 18px 0 8px;
  padding: 14px;
  border: 1px solid var(--rule);
  border-radius: var(--faq-radius);
  background: linear-gradient(140deg, rgba(14, 34, 51, .05), rgba(217, 245, 49, .16));
}

.page-faq .flow-figure {
  margin: 0;
}

.page-faq .flow-figure img {
  display: block;
  width: 100%;
  height: auto;
  max-width: 100%;
  border-radius: 10px;
  object-fit: cover;
}

.page-faq .flow {
  display: grid;
  gap: 9px;
  margin: 0;
  padding: 0;
  list-style: none;
  align-content: start;
}

.page-faq .flow-step {
  position: relative;
  padding: 10px 13px 10px 34px;
  border: 1px solid var(--rule);
  border-radius: 10px;
  background: #fff;
}

.page-faq .flow-dot {
  position: absolute;
  left: 13px;
  top: 15px;
  width: 9px;
  height: 9px;
  border-radius: 50%;
  background: var(--standby);
  box-shadow: 0 0 0 3px rgba(185, 198, 190, .3);
}

.page-faq .flow-step--coral .flow-dot {
  background: var(--coral);
  box-shadow: 0 0 0 3px rgba(255, 106, 77, .22);
}

.page-faq .flow-step--grass .flow-dot {
  background: var(--grass);
  box-shadow: 0 0 0 3px rgba(31, 163, 74, .2);
}

.page-faq .flow-name {
  margin: 0;
  font-size: 14px;
  font-weight: 700;
}

.page-faq .flow-note {
  margin: 2px 0 0;
  font-size: 12.5px;
  line-height: 1.55;
  color: var(--steel);
}

/* ---------- 折叠问答 ---------- */
.page-faq .qa-group {
  margin-top: 10px;
}

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

.page-faq .qa summary {
  display: flex;
  align-items: flex-start;
  gap: 12px;
  padding: 15px 0;
  cursor: pointer;
  list-style: none;
  font-size: 15.5px;
  font-weight: 600;
  line-height: 1.55;
  color: var(--ink);
  transition: color .14s var(--ease);
}

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

.page-faq .qa summary::after {
  content: "+";
  margin-left: auto;
  flex: 0 0 auto;
  font-family: var(--font-num);
  font-weight: 700;
  font-size: 17px;
  line-height: 1.3;
  color: var(--grass);
}

.page-faq .qa[open] summary::after {
  content: "–";
  color: var(--coral);
}

.page-faq .qa summary:hover {
  color: var(--grass-deep);
}

.page-faq .qa-q {
  flex: 1 1 auto;
}

.page-faq .qa-body {
  padding: 0 0 16px;
  font-size: 14.5px;
  line-height: 1.8;
  color: rgba(14, 34, 51, .84);
}

.page-faq .qa-body p {
  margin: 0 0 8px;
}

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

.page-faq .qa-body a {
  color: var(--grass-deep);
  font-weight: 600;
  text-decoration: none;
  border-bottom: 1px solid rgba(31, 163, 74, .45);
}

.page-faq .qa-body a:hover {
  border-color: var(--grass-deep);
}

.page-faq .qa-steps {
  margin: 8px 0 10px;
  padding: 0;
  list-style: none;
  counter-reset: step;
}

.page-faq .qa-steps li {
  position: relative;
  padding: 6px 0 6px 30px;
  font-size: 14px;
  line-height: 1.65;
  border-top: 1px dashed var(--rule);
}

.page-faq .qa-steps li:first-child {
  border-top: 0;
}

.page-faq .qa-steps li::before {
  counter-increment: step;
  content: counter(step);
  position: absolute;
  left: 0;
  top: 7px;
  width: 20px;
  height: 20px;
  display: grid;
  place-items: center;
  border-radius: 5px;
  background: var(--ink);
  color: var(--lime);
  font-family: var(--font-num);
  font-size: 11px;
  font-weight: 700;
}

/* ---------- 设备卡 ---------- */
.page-faq .plat-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(148px, 1fr));
  gap: 10px;
  margin-top: 20px;
}

.page-faq .plat-card {
  padding: 12px 13px;
  border: 1px solid var(--rule);
  border-left: 4px solid var(--steel);
  border-radius: 10px;
  background: #fff;
  transition: transform .16s var(--ease), border-color .16s var(--ease);
}

.page-faq .plat-card:hover {
  transform: translateY(-2px);
  border-left-color: var(--grass);
}

.page-faq .plat-card--web {
  border-left-color: var(--grass);
  background: linear-gradient(140deg, #fff, rgba(217, 245, 49, .28));
}

.page-faq .plat-os {
  margin: 0 0 6px;
  color: var(--steel);
  letter-spacing: .14em;
}

.page-faq .plat-need {
  margin: 0;
  font-size: 13px;
  line-height: 1.6;
}

/* ---------- 联系区块 ---------- */
.page-faq .faq-contact {
  display: grid;
  gap: 20px;
  margin-top: 44px;
  padding: 22px 18px;
  border-radius: 16px;
  color: var(--paper);
  background:
    radial-gradient(110% 90% at 100% 0%, rgba(31, 163, 74, .5), transparent 58%),
    var(--ink);
}

.page-faq .contact-kicker {
  margin: 0 0 10px;
  color: var(--lime);
  letter-spacing: .16em;
}

.page-faq .contact-title {
  margin: 0 0 12px;
  font-family: var(--font-display);
  font-weight: 800;
  font-size: clamp(22px, 4.6vw, 30px);
  line-height: 1.2;
}

.page-faq .contact-text {
  margin: 0 0 12px;
  font-size: 14.5px;
  line-height: 1.8;
  color: rgba(247, 249, 244, .86);
}

.page-faq .contact-tip {
  margin: 0;
  padding: 10px 12px;
  border-left: 3px solid var(--coral);
  border-radius: 0 8px 8px 0;
  background: rgba(255, 106, 77, .12);
  font-size: 13px;
  line-height: 1.7;
  color: rgba(247, 249, 244, .92);
}

.page-faq .contact-card {
  padding: 16px;
  border: 1px solid var(--rule-light);
  border-radius: 12px;
  background: var(--glass);
}

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

.page-faq .contact-item {
  display: flex;
  flex-direction: column;
  gap: 3px;
  padding: 10px 0;
  border-top: 1px solid var(--rule-light);
}

.page-faq .contact-item:first-child {
  border-top: 0;
  padding-top: 0;
}

.page-faq .contact-label {
  color: var(--standby);
  letter-spacing: .14em;
}

.page-faq .contact-value {
  font-family: var(--font-num);
  font-size: 15px;
  font-weight: 700;
  letter-spacing: .01em;
  word-break: break-all;
}

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

.page-faq .contact-actions .btn {
  text-decoration: none;
}

.page-faq .contact-more {
  margin: 14px 0 0;
  font-size: 12.5px;
  line-height: 1.7;
  color: var(--standby);
}

.page-faq .contact-more a {
  color: var(--lime);
  text-decoration: none;
  border-bottom: 1px solid rgba(217, 245, 49, .45);
}

.page-faq .contact-more a:hover {
  border-color: var(--lime);
}

/* ---------- 平板 ---------- */
@media (min-width: 700px) {
  .page-faq .faq-head {
    padding: 32px 0 44px;
  }

  .page-faq .flow-block {
    grid-template-columns: minmax(0, 1.15fr) minmax(0, 1fr);
    align-items: center;
    padding: 16px;
    gap: 18px;
  }

  .page-faq .faq-contact {
    grid-template-columns: minmax(0, 1.1fr) minmax(0, .9fr);
    align-items: start;
    padding: 26px 24px;
  }
}

/* ---------- 桌面 ---------- */
@media (min-width: 900px) {
  .page-faq .faq-head-inner {
    grid-template-columns: minmax(0, 1.05fr) minmax(0, .78fr);
    align-items: center;
    gap: 36px;
  }

  .page-faq .faq-body {
    grid-template-columns: var(--faq-toc-w) minmax(0, 1fr);
    align-items: start;
    gap: 40px;
  }

  .page-faq .faq-toc {
    position: sticky;
    top: calc(var(--header-h) + 16px);
  }

  .page-faq .qa summary {
    font-size: 16px;
  }

  .page-faq .qa-body {
    padding-right: 26px;
  }
}

@media (prefers-reduced-motion: reduce) {
  .page-faq .hot-card,
  .page-faq .plat-card,
  .page-faq .finder-jumps a,
  .page-faq .toc-link {
    transition: none;
  }

  .page-faq .hot-card:hover,
  .page-faq .plat-card:hover {
    transform: none;
  }
}