.page-faq {
  --faq-rail: 236px;
  background: var(--ink);
  color: var(--paper);
  font-family: var(--font-body);
  padding-top: clamp(104px, 15vw, 152px);
  padding-bottom: clamp(40px, 7vw, 96px);
  overflow-x: clip;
}

/* ---------- 面包屑 ---------- */
.page-faq .crumbs {
  display: flex;
  align-items: center;
  gap: 10px;
  font-family: var(--font-mono);
  font-size: 12px;
  letter-spacing: 0.06em;
  color: var(--muted);
  padding-bottom: 22px;
}
.page-faq .crumbs a {
  color: var(--muted);
  text-decoration: none;
  border-bottom: 1px solid transparent;
  transition: color 160ms ease, border-color 160ms ease;
}
.page-faq .crumbs a:hover {
  color: var(--lime);
  border-bottom-color: var(--lime);
}
.page-faq .crumbs a:focus-visible {
  outline: 2px solid var(--orange);
  outline-offset: 2px;
}
.page-faq .crumbs__sep {
  color: var(--line-2);
}

/* ---------- 首屏 ---------- */
.page-faq .faq-hero {
  padding-bottom: clamp(34px, 5.5vw, 68px);
  border-bottom: 2px solid var(--line-2);
}
.page-faq .faq-hero__kicker {
  margin: 0 0 18px;
  font-family: var(--font-mono);
  font-size: 12px;
  letter-spacing: 0.2em;
  color: var(--lime);
  text-transform: uppercase;
}
.page-faq .faq-hero h1 {
  margin: 0 0 20px;
  max-width: 22ch;
  font-family: var(--font-head);
  font-weight: 800;
  font-size: clamp(31px, 6.6vw, 60px);
  line-height: 1.06;
  letter-spacing: -0.022em;
}
.page-faq .faq-hero__lede {
  margin: 0;
  max-width: 62ch;
  font-size: clamp(15px, 1.55vw, 18px);
  line-height: 1.75;
  color: var(--paper);
  opacity: 0.86;
}
.page-faq .faq-hero__facts {
  display: flex;
  flex-wrap: wrap;
  gap: 10px 30px;
  margin: 26px 0 0;
  padding: 0;
  list-style: none;
  font-size: 13px;
  color: var(--muted);
}
.page-faq .faq-hero__facts .mono {
  font-family: var(--font-mono);
  font-size: 16px;
  color: var(--lime);
  margin-right: 6px;
  letter-spacing: -0.01em;
}

/* ---------- 章节骨架 ---------- */
.page-faq .faq-section {
  padding: clamp(38px, 6.5vw, 86px) 0;
  border-bottom: 1px solid var(--line);
}
.page-faq .faq-section--last {
  border-bottom: 0;
  padding-bottom: 0;
}
.page-faq .faq-head {
  display: grid;
  gap: 10px;
  max-width: 76ch;
  margin-bottom: clamp(24px, 4vw, 44px);
}
.page-faq .faq-head__index {
  display: block;
  font-family: var(--font-mono);
  font-size: 12px;
  letter-spacing: 0.18em;
  color: var(--lime);
}
.page-faq .faq-head__title,
.page-faq .faq-head h2 {
  margin: 0;
  font-family: var(--font-head);
  font-weight: 800;
  font-size: clamp(24px, 4vw, 38px);
  line-height: 1.14;
  letter-spacing: -0.016em;
}
.page-faq .faq-head p {
  margin: 0;
  font-size: 15px;
  line-height: 1.75;
  color: var(--muted);
}

/* ---------- 媒体框 ---------- */
.page-faq .media-frame {
  position: relative;
  margin: 0 0 clamp(22px, 3.5vw, 38px);
  background: var(--carbon);
  border: 2px solid var(--line-2);
  box-shadow: var(--shadow-1);
  overflow: hidden;
}
.page-faq .media-frame img {
  display: block;
  width: 100%;
  max-width: 100%;
  height: auto;
  object-fit: cover;
  filter: saturate(0.78) contrast(1.06);
}
.page-faq .media-frame__tag {
  position: absolute;
  left: 0;
  bottom: 0;
  padding: 7px 14px;
  background: var(--ink);
  border-top: 2px solid var(--lime);
  border-right: 2px solid var(--lime);
  font-family: var(--font-mono);
  font-size: 11.5px;
  letter-spacing: 0.12em;
  color: var(--lime);
}

/* ---------- 标签速查带 ---------- */
.page-faq .tag-strip {
  display: flex;
  gap: 16px;
  overflow-x: auto;
  overscroll-behavior-x: contain;
  scroll-snap-type: x proximity;
  padding: 4px 4px 20px;
  -webkit-overflow-scrolling: touch;
}
.page-faq .tag-strip::-webkit-scrollbar {
  height: 8px;
}
.page-faq .tag-strip::-webkit-scrollbar-track {
  background: var(--mid);
}
.page-faq .tag-strip::-webkit-scrollbar-thumb {
  background: var(--lime);
}

.page-faq .tag-group {
  flex: 0 0 auto;
  width: min(80vw, 318px);
  scroll-snap-align: start;
  display: flex;
  flex-direction: column;
  background: var(--carbon);
  border: 2px solid var(--line-2);
  box-shadow: var(--shadow-1);
  transition: transform 180ms ease, box-shadow 180ms ease;
}
.page-faq .tag-group:hover {
  transform: translateY(-4px);
  box-shadow: var(--shadow-2);
}
.page-faq .tag-group__head {
  display: flex;
  align-items: baseline;
  gap: 10px;
  padding: 14px 16px;
  background: var(--mid);
  border-bottom: 2px solid var(--edge-dark);
}
.page-faq .tag-group--injury .tag-group__head {
  background: var(--wine);
}
.page-faq .tag-group__no {
  font-family: var(--font-mono);
  font-size: 12px;
  color: var(--lime);
}
.page-faq .tag-group__title {
  flex: 1;
  margin: 0;
  font-family: var(--font-head);
  font-weight: 800;
  font-size: 17px;
  letter-spacing: -0.01em;
}
.page-faq .tag-group__count {
  font-family: var(--font-mono);
  font-size: 11px;
  color: var(--muted);
}
.page-faq .tag-group__list {
  display: grid;
  gap: 11px;
  margin: 0;
  padding: 14px 16px 18px;
  list-style: none;
}
.page-faq .tag-row {
  display: grid;
  gap: 6px;
  padding-bottom: 10px;
  border-bottom: 1px dashed var(--line);
}
.page-faq .tag-row:last-child {
  padding-bottom: 0;
  border-bottom: 0;
}
.page-faq .tag-row__desc {
  margin: 0;
  font-size: 12.5px;
  line-height: 1.62;
  color: var(--muted);
}

.page-faq .chip {
  display: inline-block;
  justify-self: start;
  padding: 3px 9px;
  font-family: var(--font-mono);
  font-size: 12px;
  letter-spacing: 0.03em;
  color: var(--paper);
  background: rgba(232, 237, 234, 0.05);
  border: 1px solid var(--line-2);
}
.page-faq .chip--injury {
  color: var(--red);
  border-color: var(--red);
  background: rgba(229, 72, 77, 0.1);
}
.page-faq .chip--lime {
  color: var(--lime);
  border-color: var(--lime);
  background: rgba(198, 242, 78, 0.08);
}

.page-faq .strip-hint {
  margin: 6px 0 0;
  font-family: var(--font-mono);
  font-size: 11.5px;
  letter-spacing: 0.1em;
  color: var(--muted);
}

/* ---------- 推送卡片 ---------- */
.page-faq .push-grid {
  display: grid;
  gap: 16px;
  grid-template-columns: 1fr;
}
.page-faq .pcard {
  display: grid;
  align-content: start;
  gap: 10px;
  padding: 22px 18px 24px;
  background: var(--carbon);
  border: 2px solid var(--line-2);
  box-shadow: var(--shadow-1);
  transition: transform 180ms ease, box-shadow 180ms ease, border-color 180ms ease;
}
.page-faq .pcard:hover {
  transform: translateY(-4px);
  box-shadow: var(--shadow-2);
  border-color: var(--lime);
}
.page-faq .pcard--wine {
  background: var(--wine);
}
.page-faq .pcard__val {
  display: flex;
  align-items: baseline;
  gap: 6px;
  margin: 0;
  font-family: var(--font-mono);
  font-weight: 700;
  font-size: clamp(30px, 4vw, 42px);
  line-height: 1;
  letter-spacing: -0.02em;
  color: var(--lime);
}
.page-faq .pcard__val small {
  font-size: 12.5px;
  font-weight: 400;
  letter-spacing: 0.04em;
  color: var(--muted);
}
.page-faq .pcard__val--text {
  font-family: var(--font-head);
  font-weight: 800;
  font-size: clamp(20px, 2.6vw, 26px);
  color: var(--orange);
}
.page-faq .pcard h3 {
  margin: 0;
  font-family: var(--font-head);
  font-weight: 800;
  font-size: 17px;
  letter-spacing: -0.01em;
}
.page-faq .pcard p {
  margin: 0;
  font-size: 14px;
  line-height: 1.72;
  color: var(--muted);
}
.page-faq .pcard--wine p {
  color: rgba(232, 237, 234, 0.78);
}

/* ---------- 设备同步 ---------- */
.page-faq .sync-grid {
  display: grid;
  gap: clamp(22px, 4vw, 44px);
  grid-template-columns: 1fr;
  align-items: start;
}
.page-faq .sync-list {
  margin: 0;
  padding: 0;
  list-style: none;
  border-top: 2px solid var(--line-2);
}
.page-faq .sync-list li {
  display: grid;
  gap: 6px;
  padding: 18px 0;
  border-bottom: 1px solid var(--line);
}
.page-faq .sync-list h3 {
  margin: 0;
  font-family: var(--font-head);
  font-weight: 800;
  font-size: 17px;
  letter-spacing: -0.01em;
}
.page-faq .sync-list p {
  margin: 0;
  max-width: 60ch;
  font-size: 14px;
  line-height: 1.74;
  color: var(--muted);
}
.page-faq .sync-figure {
  margin: 0;
  background: var(--carbon);
  border: 2px solid var(--line-2);
  box-shadow: var(--shadow-1);
}
.page-faq .sync-figure img {
  display: block;
  width: 100%;
  max-width: 100%;
  height: auto;
  filter: saturate(0.78) contrast(1.06);
}
.page-faq .sync-figure figcaption {
  padding: 10px 14px;
  border-top: 1px solid var(--line);
  font-family: var(--font-mono);
  font-size: 11.5px;
  line-height: 1.6;
  color: var(--muted);
}

/* ---------- 更新节奏 ---------- */
.page-faq .rhythm {
  margin: 0;
  padding: 0;
  list-style: none;
  border-top: 2px solid var(--line-2);
}
.page-faq .rhythm-item {
  display: grid;
  gap: 8px;
  padding: 20px 0;
  border-bottom: 1px solid var(--line);
}
.page-faq .rhythm-item__val {
  display: flex;
  align-items: baseline;
  gap: 6px;
  font-family: var(--font-mono);
  font-size: clamp(26px, 3.6vw, 36px);
  line-height: 1;
  letter-spacing: -0.02em;
  color: var(--lime);
}
.page-faq .rhythm-item__val small {
  font-size: 12px;
  font-weight: 400;
  letter-spacing: 0.04em;
  color: var(--muted);
}
.page-faq .rhythm-item__body h3 {
  margin: 0 0 6px;
  font-family: var(--font-head);
  font-weight: 800;
  font-size: 16.5px;
  letter-spacing: -0.01em;
}
.page-faq .rhythm-item__body p {
  margin: 0;
  max-width: 64ch;
  font-size: 14px;
  line-height: 1.74;
  color: var(--muted);
}

/* ---------- 问答双栏 ---------- */
.page-faq .faq-layout {
  display: grid;
  gap: clamp(20px, 3.5vw, 42px);
  grid-template-columns: 1fr;
}
.page-faq .faq-toc {
  padding: 16px 16px 18px;
  background: var(--carbon);
  border: 2px solid var(--line-2);
  box-shadow: var(--shadow-1);
}
.page-faq .faq-toc__title {
  margin: 0 0 12px;
  font-family: var(--font-mono);
  font-size: 11.5px;
  letter-spacing: 0.18em;
  color: var(--muted);
  text-transform: uppercase;
}
.page-faq .faq-toc__list {
  display: flex;
  gap: 8px;
  overflow-x: auto;
  margin: 0;
  padding: 0 0 6px;
  list-style: none;
  counter-reset: toc;
}
.page-faq .faq-toc__list li {
  flex: 0 0 auto;
  counter-increment: toc;
}
.page-faq .faq-toc__list a {
  display: flex;
  align-items: baseline;
  gap: 8px;
  padding: 8px 13px;
  white-space: nowrap;
  font-size: 14px;
  color: var(--paper);
  text-decoration: none;
  border: 1px solid var(--line-2);
  transition: background 160ms ease, border-color 160ms ease, color 160ms ease;
}
.page-faq .faq-toc__list a::before {
  content: counter(toc, decimal-leading-zero);
  font-family: var(--font-mono);
  font-size: 11px;
  color: var(--lime);
}
.page-faq .faq-toc__list a:hover {
  background: var(--mid);
  border-color: var(--lime);
}
.page-faq .faq-toc__list a:focus-visible {
  outline: 2px solid var(--orange);
  outline-offset: 2px;
}

.page-faq .faq-group {
  padding-top: 22px;
  border-top: 2px solid var(--line-2);
  margin-bottom: clamp(28px, 5vw, 50px);
  scroll-margin-top: 96px;
}
.page-faq .faq-group:last-child {
  margin-bottom: 0;
}
.page-faq .faq-group__head {
  display: flex;
  align-items: baseline;
  flex-wrap: wrap;
  gap: 8px 14px;
  margin-bottom: 16px;
}
.page-faq .faq-group__no {
  font-family: var(--font-mono);
  font-size: 13px;
  letter-spacing: 0.12em;
  color: var(--lime);
}
.page-faq .faq-group__head h3 {
  margin: 0;
  font-family: var(--font-head);
  font-weight: 800;
  font-size: clamp(20px, 2.8vw, 26px);
  letter-spacing: -0.014em;
}
.page-faq .faq-group__hint {
  margin-left: auto;
  font-family: var(--font-mono);
  font-size: 11.5px;
  color: var(--muted);
}

.page-faq .qa {
  margin-bottom: 10px;
  background: var(--carbon);
  border: 2px solid var(--line-2);
  box-shadow: none;
  transition: transform 180ms ease, box-shadow 180ms ease, border-color 180ms ease;
}
.page-faq .qa:hover {
  transform: translateY(-4px);
  box-shadow: var(--shadow-1);
}
.page-faq .qa[open] {
  border-color: var(--lime);
  box-shadow: var(--shadow-1);
}
.page-faq .qa summary {
  display: flex;
  gap: 12px;
  align-items: flex-start;
  padding: 15px 18px;
  cursor: pointer;
  list-style: none;
  font-family: var(--font-head);
  font-weight: 700;
  font-size: 15.5px;
  line-height: 1.5;
  color: var(--paper);
}
.page-faq .qa summary::-webkit-details-marker {
  display: none;
}
.page-faq .qa summary::before {
  content: "+";
  flex: 0 0 16px;
  font-family: var(--font-mono);
  font-weight: 400;
  color: var(--lime);
}
.page-faq .qa[open] summary::before {
  content: "\2212";
}
.page-faq .qa summary:focus-visible {
  outline: 2px solid var(--orange);
  outline-offset: -2px;
}
.page-faq .qa__body {
  padding: 0 18px 18px 46px;
  font-size: 14.5px;
  line-height: 1.76;
  color: var(--muted);
}
.page-faq .qa__body p {
  margin: 0 0 10px;
}
.page-faq .qa__body p:last-child {
  margin-bottom: 0;
}
.page-faq .qa[open] .qa__body {
  animation: faq-reveal 180ms ease-out;
}
@keyframes faq-reveal {
  from {
    opacity: 0;
    transform: translateY(-4px);
  }
  to {
    opacity: 1;
    transform: none;
  }
}

/* ---------- 人工通道 ---------- */
.page-faq .support {
  display: grid;
  gap: 24px;
  padding: clamp(24px, 4vw, 42px);
  background: var(--mid);
  border: 2px solid var(--lime);
  box-shadow: var(--shadow-2);
}
.page-faq .support__intro h2 {
  margin: 10px 0 12px;
  font-family: var(--font-head);
  font-weight: 800;
  font-size: clamp(22px, 3.4vw, 32px);
  letter-spacing: -0.016em;
}
.page-faq .support__intro p {
  margin: 0;
  max-width: 52ch;
  font-size: 15px;
  line-height: 1.75;
  color: rgba(232, 237, 234, 0.84);
}
.page-faq .support__channels {
  margin: 0 0 20px;
  padding: 0;
  list-style: none;
  display: grid;
  gap: 12px;
}
.page-faq .support__channels li {
  display: flex;
  flex-wrap: wrap;
  gap: 6px 14px;
  align-items: baseline;
  padding-bottom: 11px;
  border-bottom: 1px dashed var(--line-2);
  font-size: 14.5px;
  line-height: 1.6;
}
.page-faq .support__channels li:last-child {
  border-bottom: 0;
  padding-bottom: 0;
}
.page-faq .support__channels span {
  flex: 0 0 62px;
  font-family: var(--font-mono);
  font-size: 11.5px;
  letter-spacing: 0.1em;
  color: var(--lime);
}
.page-faq .support__side .btn {
  justify-self: start;
}

/* ---------- 桌面栅格 ---------- */
@media (min-width: 720px) {
  .page-faq .push-grid {
    grid-template-columns: repeat(2, minmax(0, 1fr));
  }
}

@media (min-width: 900px) {
  .page-faq .sync-grid {
    grid-template-columns: minmax(0, 1.15fr) minmax(0, 0.85fr);
  }
  .page-faq .support {
    grid-template-columns: minmax(0, 1fr) minmax(0, 0.9fr);
    align-items: center;
  }
}

@media (min-width: 960px) {
  .page-faq .push-grid {
    grid-template-columns: repeat(4, minmax(0, 1fr));
  }
  .page-faq .faq-layout {
    grid-template-columns: var(--faq-rail) minmax(0, 1fr);
    align-items: start;
  }
  .page-faq .faq-toc {
    position: sticky;
    top: calc(var(--header-h) * 0.78 + 12px);
  }
  .page-faq .faq-toc__list {
    flex-direction: column;
    overflow: visible;
    padding-bottom: 0;
  }
  .page-faq .faq-toc__list li {
    flex: 1 1 auto;
  }
  .page-faq .faq-toc__list a {
    padding: 9px 12px;
    white-space: normal;
    border: 0;
    border-left: 3px solid transparent;
  }
  .page-faq .faq-toc__list a:hover {
    background: var(--mid);
    border-left-color: var(--lime);
  }
  .page-faq .rhythm-item {
    grid-template-columns: 210px minmax(0, 1fr);
    gap: 30px;
    align-items: baseline;
  }
}

@media (min-width: 1200px) {
  .page-faq .tag-group {
    width: 330px;
  }
}

@media (prefers-reduced-motion: reduce) {
  .page-faq .pcard,
  .page-faq .tag-group,
  .page-faq .qa,
  .page-faq .faq-toc__list a,
  .page-faq .crumbs a {
    transition: none;
  }
  .page-faq .pcard:hover,
  .page-faq .tag-group:hover,
  .page-faq .qa:hover {
    transform: none;
  }
  .page-faq .qa[open] .qa__body {
    animation: none;
  }
}