.page-faq {
  --faq-line: rgba(32, 48, 79, .9);
  --faq-soft: rgba(22, 32, 58, .72);
  background: var(--bg);
  color: var(--ink);
  font-family: var(--font-body);
  line-height: 1.75;
  overflow-x: clip;
}

.page-faq h1,
.page-faq h2,
.page-faq h3 {
  font-family: var(--font-display);
  line-height: 1.18;
  letter-spacing: .01em;
  margin: 0;
}

.page-faq p {
  margin: 0;
}

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

.page-faq a:hover {
  color: var(--cyan);
}

.page-faq .mono {
  font-family: var(--font-mono);
  color: var(--ink);
  word-break: break-all;
}

/* ---------- 面包屑 ---------- */
.page-faq .faq-crumbs {
  padding-top: clamp(16px, 2.5vw, 28px);
}

/* ---------- 首屏 ---------- */
.page-faq .faq-hero {
  position: relative;
  padding: clamp(24px, 4vw, 52px) 0 clamp(34px, 6vw, 72px);
  overflow: hidden;
}

.page-faq .faq-hero::before {
  content: "";
  position: absolute;
  inset: 0;
  background-image:
    linear-gradient(var(--grid) 1px, transparent 1px),
    linear-gradient(90deg, var(--grid) 1px, transparent 1px);
  background-size: 56px 56px;
  opacity: .28;
  pointer-events: none;
  -webkit-mask-image: radial-gradient(120% 90% at 15% 0%, #000 0%, transparent 78%);
  mask-image: radial-gradient(120% 90% at 15% 0%, #000 0%, transparent 78%);
}

.page-faq .faq-hero__grid {
  position: relative;
  display: grid;
  grid-template-columns: 1fr;
  gap: clamp(26px, 4vw, 52px);
  align-items: center;
}

.page-faq .eyebrow {
  font-family: var(--font-mono);
  font-size: 12px;
  letter-spacing: .22em;
  text-transform: uppercase;
  color: var(--cyan);
  margin: 0 0 14px;
}

.page-faq .faq-hero h1 {
  font-size: clamp(30px, 5.2vw, 52px);
  font-weight: 800;
  text-wrap: balance;
}

.page-faq .faq-hero__text {
  margin-top: 18px;
  max-width: 34em;
  color: var(--muted);
  font-size: clamp(15px, 1.4vw, 17px);
}

.page-faq .faq-hero__facts {
  list-style: none;
  margin: clamp(22px, 3vw, 34px) 0 0;
  padding: 0;
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: 14px 18px;
}

.page-faq .faq-hero__facts li {
  border-top: 1px solid var(--grid);
  padding-top: 10px;
  font-size: 13px;
  color: var(--muted);
}

.page-faq .faq-hero__facts .num {
  display: block;
  font-family: var(--font-mono);
  font-size: 24px;
  line-height: 1.2;
  color: var(--cyan);
  margin-bottom: 2px;
}

.page-faq .faq-hero__figure {
  margin: 0;
}

.page-faq .media-frame {
  border: 1px solid var(--grid);
  border-radius: var(--radius-card);
  overflow: hidden;
  background: var(--panel);
}

.page-faq .media-frame img {
  display: block;
  width: 100%;
  height: auto;
  object-fit: cover;
}

.page-faq .media-frame__caption {
  display: block;
  padding: 10px 16px 12px;
  font-family: var(--font-mono);
  font-size: 11.5px;
  letter-spacing: .04em;
  color: var(--muted);
  border-top: 1px solid var(--grid);
}

/* ---------- 主体两栏 ---------- */
.page-faq .faq-layout {
  display: grid;
  grid-template-columns: 1fr;
  gap: clamp(24px, 4vw, 48px);
  padding-bottom: clamp(48px, 8vw, 96px);
}

.page-faq .faq-index__title {
  font-family: var(--font-mono);
  font-size: 12px;
  letter-spacing: .2em;
  text-transform: uppercase;
  color: var(--muted);
  margin-bottom: 12px;
}

.page-faq .faq-index__list {
  list-style: none;
  margin: 0 0 20px;
  padding: 0 0 6px;
  display: flex;
  gap: 10px;
  overflow-x: auto;
  scrollbar-width: thin;
}

.page-faq .faq-index__list li {
  flex: 0 0 auto;
}

.page-faq .faq-index__list a {
  display: flex;
  align-items: center;
  gap: 8px;
  padding: 8px 14px;
  border: 1px solid var(--grid);
  border-radius: 999px;
  background: var(--panel);
  color: var(--ink);
  font-size: 14px;
  white-space: nowrap;
}

.page-faq .faq-index__list a:hover {
  border-color: var(--cyan);
  color: var(--cyan);
}

.page-faq .faq-index__list .num {
  font-family: var(--font-mono);
  font-size: 11.5px;
  color: var(--cyan);
}

.page-faq .faq-index__box {
  border: 1px solid var(--grid);
  border-radius: var(--radius-card);
  padding: 16px;
  background: var(--faq-soft);
}

.page-faq .faq-index__box p {
  font-size: 14px;
  color: var(--muted);
  margin-bottom: 10px;
}

/* ---------- 章节 ---------- */
.page-faq .faq-sec {
  padding: clamp(28px, 4vw, 46px) 0;
  border-top: 1px solid var(--faq-line);
  scroll-margin-top: 108px;
}

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

.page-faq .faq-sec__head {
  max-width: 46em;
}

.page-faq .faq-sec__no {
  display: block;
  font-family: var(--font-mono);
  font-size: 12px;
  letter-spacing: .2em;
  color: var(--cyan);
  margin-bottom: 10px;
}

.page-faq .faq-sec__head h2 {
  font-size: clamp(23px, 3vw, 30px);
  font-weight: 800;
  margin-bottom: 12px;
  text-wrap: balance;
}

.page-faq .faq-sec__head p {
  color: var(--muted);
  font-size: 15.5px;
}

/* ---------- 步骤 ---------- */
.page-faq .step-list {
  list-style: none;
  margin: clamp(22px, 3vw, 30px) 0 0;
  padding: 0;
  display: grid;
  gap: 12px;
  counter-reset: none;
}

.page-faq .step {
  display: grid;
  grid-template-columns: 48px minmax(0, 1fr);
  gap: 14px;
  padding: 18px 18px 18px 16px;
  background: var(--panel);
  border: 1px solid var(--grid);
  border-radius: var(--radius-card);
  transition: border-color .22s ease, transform .22s ease;
}

.page-faq .step:hover {
  border-color: rgba(40, 224, 168, .55);
  transform: translateX(3px);
}

.page-faq .step__num {
  font-family: var(--font-mono);
  font-size: 19px;
  line-height: 1.4;
  color: var(--cyan);
  border-right: 1px solid var(--grid);
  padding-right: 12px;
}

.page-faq .step__body h3 {
  font-size: 17px;
  margin-bottom: 6px;
}

.page-faq .step__body p {
  font-size: 15px;
  color: var(--muted);
}

.page-faq .step-list--compact .step {
  padding: 15px 16px 15px 14px;
}

/* ---------- 检索入口卡 ---------- */
.page-faq .entry-grid {
  display: grid;
  grid-template-columns: 1fr;
  gap: 16px;
  margin-top: clamp(22px, 3vw, 30px);
}

.page-faq .entry-card {
  border: 1px solid var(--grid);
  border-left: 3px solid var(--grid);
  border-radius: var(--radius-card);
  background: var(--panel);
  padding: 20px 20px 18px;
  transition: border-color .22s ease, background .22s ease;
}

.page-faq .entry-card:hover {
  border-left-color: var(--cyan);
  background: var(--raise);
}

.page-faq .entry-card__tag {
  display: inline-block;
  font-family: var(--font-mono);
  font-size: 11.5px;
  letter-spacing: .14em;
  color: var(--live);
  border: 1px solid rgba(255, 90, 54, .45);
  border-radius: 999px;
  padding: 3px 10px;
  margin-bottom: 12px;
}

.page-faq .entry-card h3 {
  font-size: 18px;
  margin-bottom: 8px;
}

.page-faq .entry-card p {
  font-size: 14.5px;
  color: var(--muted);
}

.page-faq .entry-card__meta {
  margin-top: 12px;
  padding-top: 10px;
  border-top: 1px dashed var(--grid);
  font-family: var(--font-mono);
  font-size: 11.5px;
  color: var(--cyan) !important;
  letter-spacing: .03em;
}

.page-faq .entry-note {
  margin-top: clamp(24px, 3.5vw, 40px);
  padding-left: 16px;
  border-left: 2px solid var(--link);
  font-size: 14.5px;
  color: var(--muted);
}

/* ---------- 推送信号 ---------- */
.page-faq .signal-list {
  list-style: none;
  margin: clamp(22px, 3vw, 30px) 0 0;
  padding: 0;
  display: grid;
  grid-template-columns: 1fr;
  gap: 14px;
}

.page-faq .signal {
  position: relative;
  padding: 16px 18px 16px 44px;
  background: var(--panel);
  border: 1px solid var(--grid);
  border-radius: var(--radius-card);
}

.page-faq .signal__dot {
  position: absolute;
  left: 18px;
  top: 22px;
  width: 11px;
  height: 11px;
  border-radius: 50%;
  background: var(--raise);
  border: 2px solid var(--link);
}

.page-faq .signal__dot--live {
  border-color: var(--live);
  box-shadow: 0 0 0 4px rgba(255, 90, 54, .16);
}

.page-faq .signal__dot--warn {
  border-color: var(--live);
  background: var(--live);
}

.page-faq .signal h3 {
  font-size: 16px;
  margin-bottom: 5px;
}

.page-faq .signal p {
  font-size: 14.5px;
  color: var(--muted);
}

.page-faq .warn-note {
  margin-top: 18px;
  padding: 14px 18px;
  border: 1px solid var(--grid);
  border-left: 3px solid var(--live);
  border-radius: var(--radius-ticket);
  background: rgba(255, 90, 54, .06);
  font-size: 14.5px;
  color: var(--ink);
}

.page-faq .push-tip {
  margin-top: 14px;
  font-size: 14.5px;
  color: var(--muted);
  padding-left: 16px;
  border-left: 2px solid var(--cyan);
}

/* ---------- 统计 ---------- */
.page-faq .stats-split {
  display: grid;
  grid-template-columns: 1fr;
  gap: clamp(20px, 3vw, 32px);
  margin-top: clamp(22px, 3vw, 30px);
}

.page-faq .metric-list {
  margin: 0;
}

.page-faq .metric {
  padding: 14px 0;
  border-bottom: 1px dashed var(--grid);
}

.page-faq .metric:first-child {
  padding-top: 0;
}

.page-faq .metric dt {
  font-family: var(--font-display);
  font-size: 17px;
  color: var(--cyan);
  margin-bottom: 5px;
}

.page-faq .metric dd {
  margin: 0;
  font-size: 14.5px;
  color: var(--muted);
}

.page-faq .faq-stats__figure {
  margin: 0;
}

/* ---------- 季票 ---------- */
.page-faq .ticket-flow {
  margin: clamp(22px, 3vw, 30px) 0 0;
  padding: 18px 4px 10px;
  border: 1px solid var(--grid);
  border-radius: var(--radius-card);
  background: var(--panel);
  overflow-x: auto;
}

.page-faq .ticket-flow svg {
  display: block;
  width: 100%;
  min-width: 540px;
  height: auto;
}

.page-faq .tf-line {
  stroke: var(--grid);
  stroke-width: 2;
  stroke-dasharray: 6 8;
}

.page-faq .tf-node circle {
  fill: var(--panel);
  stroke: var(--cyan);
  stroke-width: 2;
  transition: fill .2s ease;
}

.page-faq .tf-node text {
  fill: var(--muted);
  font-family: var(--font-body);
  font-size: 14px;
  text-anchor: middle;
  transition: fill .2s ease;
}

.page-faq .tf-node:hover circle {
  fill: var(--cyan);
}

.page-faq .tf-node:hover text {
  fill: var(--ink);
}

.page-faq .ticket-flow .note {
  display: block;
  padding: 8px 14px 0;
  font-family: var(--font-mono);
  font-size: 11.5px;
  color: var(--muted);
}

.page-faq .ticket-table {
  width: 100%;
  margin-top: clamp(22px, 3vw, 30px);
  font-size: 14.5px;
}

.page-faq .ticket-table caption {
  text-align: left;
  font-family: var(--font-mono);
  font-size: 12px;
  letter-spacing: .14em;
  color: var(--muted);
  padding-bottom: 10px;
}

.page-faq .ticket-table th[scope="row"] {
  color: var(--ink);
  font-weight: 500;
  text-align: left;
}

.page-faq .ticket-note {
  margin-top: 14px;
  font-size: 14.5px;
  color: var(--muted);
  padding-left: 16px;
  border-left: 2px solid var(--amber);
}

/* ---------- 纠错与订阅 ---------- */
.page-faq .fix-grid {
  display: grid;
  grid-template-columns: 1fr;
  gap: 16px;
  margin-top: clamp(22px, 3vw, 30px);
}

.page-faq .fix-card {
  border: 1px solid var(--grid);
  border-top: 2px solid var(--cyan);
  border-radius: var(--radius-card);
  background: var(--panel);
  padding: 20px;
}

.page-faq .fix-card h3 {
  font-size: 17px;
  margin-bottom: 8px;
}

.page-faq .fix-card p {
  font-size: 14.5px;
  color: var(--muted);
}

.page-faq .fix-card__meta {
  margin-top: 12px !important;
  padding-top: 10px;
  border-top: 1px dashed var(--grid);
  font-family: var(--font-mono);
  font-size: 11.5px;
  color: var(--muted);
}

/* ---------- 常见问题 ---------- */
.page-faq .qa-filters {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  gap: 10px;
  margin: clamp(20px, 3vw, 28px) 0 20px;
}

.page-faq .qa-filters__count {
  font-family: var(--font-mono);
  font-size: 11.5px;
  color: var(--muted);
  margin-left: auto;
}

.page-faq .qa-list {
  display: grid;
  gap: 10px;
}

.page-faq .qa {
  border: 1px solid var(--grid);
  border-radius: var(--radius-card);
  background: var(--panel);
  overflow: hidden;
}

.page-faq .qa[hidden],
.page-faq .qa.is-hidden {
  display: none;
}

.page-faq .qa summary {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 16px;
  padding: 15px 18px 15px 20px;
  cursor: pointer;
  list-style: none;
  border-left: 3px solid transparent;
  font-family: var(--font-display);
  font-size: 16.5px;
  color: var(--ink);
  transition: border-color .2s ease, color .2s ease, background .2s ease;
}

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

.page-faq .qa summary:hover {
  background: var(--raise);
}

.page-faq .qa[open] summary {
  border-left-color: var(--cyan);
  color: var(--cyan);
}

.page-faq .qa__mark {
  position: relative;
  flex: 0 0 14px;
  width: 14px;
  height: 14px;
}

.page-faq .qa__mark::before,
.page-faq .qa__mark::after {
  content: "";
  position: absolute;
  background: var(--muted);
  border-radius: 2px;
}

.page-faq .qa__mark::before {
  left: 0;
  right: 0;
  top: 6px;
  height: 2px;
}

.page-faq .qa__mark::after {
  top: 0;
  bottom: 0;
  left: 6px;
  width: 2px;
  transition: transform .2s ease;
}

.page-faq .qa[open] .qa__mark::before {
  background: var(--cyan);
}

.page-faq .qa[open] .qa__mark::after {
  transform: scaleY(0);
}

.page-faq .qa__body {
  padding: 0 20px 18px 23px;
  font-size: 14.5px;
  color: var(--muted);
  border-left: 3px solid var(--cyan);
}

/* ---------- 下一步 ---------- */
.page-faq .faq-next {
  margin-top: clamp(28px, 4vw, 44px);
  padding: clamp(24px, 4vw, 38px);
  border: 1px solid var(--grid);
  border-radius: var(--radius-card);
  background:
    linear-gradient(120deg, rgba(40, 224, 168, .12), transparent 58%),
    var(--panel);
}

.page-faq .faq-next h2 {
  font-size: clamp(21px, 2.6vw, 26px);
  margin-bottom: 10px;
}

.page-faq .faq-next p {
  font-size: 15px;
  color: var(--muted);
  max-width: 46em;
}

.page-faq .faq-next__links {
  display: flex;
  flex-wrap: wrap;
  gap: 12px;
  margin-top: 18px;
}

/* ---------- 媒体查询 ---------- */
@media (min-width: 620px) {
  .page-faq .faq-hero__facts {
    grid-template-columns: repeat(4, minmax(0, 1fr));
  }

  .page-faq .signal-list {
    grid-template-columns: repeat(2, minmax(0, 1fr));
  }

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

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

@media (min-width: 900px) {
  .page-faq .faq-hero__grid {
    grid-template-columns: 1.12fr .88fr;
  }

  .page-faq .stats-split {
    grid-template-columns: 1.05fr .95fr;
    align-items: start;
  }

  .page-faq .entry-grid {
    grid-template-columns: repeat(3, minmax(0, 1fr));
  }

  .page-faq .entry-card:nth-child(2) {
    margin-top: 22px;
  }

  .page-faq .entry-card:nth-child(3) {
    margin-top: 44px;
  }

  .page-faq .entry-note {
    margin-top: 70px;
  }

  .page-faq .fix-grid {
    grid-template-columns: repeat(3, minmax(0, 1fr));
  }
}

@media (min-width: 1000px) {
  .page-faq .faq-layout {
    grid-template-columns: 248px minmax(0, 1fr);
    align-items: start;
  }

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

  .page-faq .faq-index__list {
    display: block;
    overflow: visible;
    padding-bottom: 0;
    margin-bottom: 22px;
  }

  .page-faq .faq-index__list li + li {
    margin-top: 4px;
  }

  .page-faq .faq-index__list a {
    border: 0;
    border-left: 2px solid var(--grid);
    border-radius: 0;
    background: transparent;
    padding: 7px 0 7px 12px;
    white-space: normal;
  }

  .page-faq .faq-index__list a:hover {
    border-left-color: var(--cyan);
  }
}

@media (max-width: 480px) {
  .page-faq .step {
    grid-template-columns: 36px minmax(0, 1fr);
    gap: 10px;
    padding: 15px 14px;
  }

  .page-faq .step__num {
    font-size: 16px;
    padding-right: 8px;
  }

  .page-faq .faq-next__links .btn {
    flex: 1 1 100%;
    text-align: center;
  }
}

@media (prefers-reduced-motion: reduce) {
  .page-faq .step,
  .page-faq .entry-card,
  .page-faq .qa summary,
  .page-faq .qa__mark::after,
  .page-faq .tf-node circle,
  .page-faq .tf-node text {
    transition: none;
  }

  .page-faq .step:hover {
    transform: none;
  }
}