.page-faq {
  padding-bottom: 112px;
  color: var(--c-scale);
  font-family: var(--font-cjk);
}

.page-faq .shell {
  padding-top: 26px;
}

/* ---------- 面包屑 ---------- */
.page-faq .breadcrumb {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  gap: 8px;
  margin-bottom: 6px;
  font-size: 13px;
  color: var(--c-mist);
}

.page-faq .breadcrumb a {
  color: var(--c-mist);
  text-decoration: none;
  transition: color var(--dur) var(--ease);
}

.page-faq .breadcrumb a:hover,
.page-faq .breadcrumb a:focus-visible {
  color: var(--c-cyan);
}

.page-faq .breadcrumb__sep {
  color: rgba(110, 138, 155, 0.6);
}

.page-faq .breadcrumb [aria-current="page"] {
  color: var(--c-scale);
}

/* ---------- 首屏 ---------- */
.page-faq .faq-hero {
  position: relative;
  padding: 26px 0 48px;
  border-bottom: 1px solid var(--hair-strong);
  overflow: hidden;
}

.page-faq .faq-hero::after {
  content: "";
  position: absolute;
  right: -180px;
  top: -200px;
  width: 520px;
  height: 520px;
  border-radius: 50%;
  background: radial-gradient(circle, rgba(0, 229, 204, 0.13), transparent 68%);
  pointer-events: none;
}

.page-faq .faq-hero__eyebrow {
  position: relative;
  display: inline-flex;
  align-items: center;
  gap: 10px;
  margin: 0 0 20px;
  padding: 6px 16px 6px 12px;
  border: 1px solid rgba(0, 229, 204, 0.35);
  border-radius: 999px;
  background: rgba(0, 229, 204, 0.07);
  font-size: 13px;
  letter-spacing: 0.12em;
  color: var(--c-cyan-2);
}

.page-faq .faq-hero__eyebrow .num {
  font-family: var(--font-num);
  font-size: 14px;
  font-weight: 600;
  color: var(--c-cyan);
}

.page-faq .faq-hero__title {
  position: relative;
  margin: 0;
  max-width: 15em;
  font-size: clamp(32px, 6.2vw, 60px);
  font-weight: 900;
  line-height: 1.1;
  letter-spacing: -0.015em;
  color: var(--c-fog);
}

.page-faq .faq-hero__lead {
  position: relative;
  margin: 22px 0 0;
  max-width: 60ch;
  font-size: 17px;
  line-height: 1.75;
  color: var(--c-scale);
}

.page-faq .faq-hero__stats {
  position: relative;
  display: flex;
  flex-wrap: wrap;
  gap: 18px 40px;
  margin: 34px 0 0;
  padding: 0;
  list-style: none;
}

.page-faq .faq-hero__stat {
  display: flex;
  flex-direction: column;
  gap: 4px;
}

.page-faq .faq-hero__stat b {
  font-family: var(--font-num);
  font-size: 30px;
  font-weight: 600;
  line-height: 1;
  color: var(--c-orange);
  letter-spacing: 0.01em;
}

.page-faq .faq-hero__stat span {
  font-size: 13px;
  color: var(--c-mist);
}

/* ---------- 主区骨架 ---------- */
.page-faq .faq-board {
  margin-top: 46px;
}

.page-faq .faq-board__rail {
  margin-bottom: 6px;
}

/* ---------- 分段标签 ---------- */
.page-faq .faq-tabs {
  display: flex;
  gap: 8px;
  overflow-x: auto;
  margin: 0 0 30px;
  padding: 2px 2px 8px;
  scrollbar-width: none;
  -webkit-overflow-scrolling: touch;
}

.page-faq .faq-tabs::-webkit-scrollbar {
  display: none;
}

.page-faq .faq-tab {
  position: relative;
  flex: 0 0 auto;
  display: flex;
  align-items: baseline;
  gap: 10px;
  padding: 13px 18px;
  border: 1px solid var(--hair);
  border-radius: var(--radius);
  background: rgba(15, 91, 114, 0.16);
  color: var(--c-scale);
  font-family: inherit;
  font-size: 15px;
  text-align: left;
  white-space: nowrap;
  cursor: pointer;
  transition:
    background var(--dur) var(--ease),
    border-color var(--dur) var(--ease),
    color var(--dur) var(--ease);
}

.page-faq .faq-tab::before {
  content: "";
  position: absolute;
  left: -1px;
  top: 50%;
  width: 3px;
  height: 0;
  transform: translateY(-50%);
  border-radius: 3px;
  background: var(--c-cyan);
  transition: height var(--dur) var(--ease);
}

.page-faq .faq-tab__num {
  font-family: var(--font-num);
  font-size: 14px;
  font-weight: 600;
  color: var(--c-mist);
  transition: color var(--dur) var(--ease);
}

.page-faq .faq-tab__label {
  font-weight: 500;
  color: var(--c-fog);
}

.page-faq .faq-tab__hint {
  display: none;
  font-size: 12px;
  color: var(--c-mist);
}

.page-faq .faq-tab:hover {
  border-color: var(--hair-strong);
  background: rgba(15, 91, 114, 0.3);
}

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

.page-faq .faq-tab[aria-selected="true"] {
  background: rgba(0, 229, 204, 0.1);
  border-color: rgba(0, 229, 204, 0.45);
}

.page-faq .faq-tab[aria-selected="true"]::before {
  height: 62%;
}

.page-faq .faq-tab[aria-selected="true"] .faq-tab__num {
  color: var(--c-cyan);
}

/* ---------- 面板 ---------- */
.page-faq .faq-panel {
  outline: none;
  animation: faq-fade-in 280ms var(--ease) both;
}

.page-faq .faq-panel[hidden] {
  display: none;
}

.page-faq .faq-panel:focus-visible {
  outline: 2px solid rgba(0, 229, 204, 0.5);
  outline-offset: 8px;
  border-radius: var(--radius);
}

@keyframes faq-fade-in {
  from {
    opacity: 0;
    transform: translateY(8px);
  }
  to {
    opacity: 1;
    transform: none;
  }
}

/* ---------- 章节抬头 ---------- */
.page-faq .faq-sec-head {
  display: flex;
  align-items: baseline;
  gap: 14px;
  margin: 0 0 20px;
  padding-bottom: 16px;
  border-bottom: 1px solid var(--hair-strong);
}

.page-faq .faq-sec-head__num {
  flex: 0 0 auto;
  font-family: var(--font-num);
  font-size: 15px;
  font-weight: 600;
  letter-spacing: 0.08em;
  color: var(--c-cyan);
}

.page-faq .faq-sec-head__title {
  margin: 0;
  font-size: clamp(22px, 3.4vw, 32px);
  font-weight: 900;
  line-height: 1.25;
  letter-spacing: -0.01em;
  color: var(--c-fog);
}

.page-faq .faq-lead {
  margin: 0 0 28px;
  max-width: 62ch;
  font-size: 17px;
  line-height: 1.75;
  color: var(--c-scale);
}

.page-faq .faq-hint {
  margin: 22px 0 0;
  padding: 14px 18px;
  border-left: 2px solid rgba(127, 227, 218, 0.6);
  border-radius: 0 var(--radius) var(--radius) 0;
  background: rgba(15, 91, 114, 0.2);
  font-size: 15px;
  line-height: 1.7;
  color: var(--c-scale);
}

/* ---------- 图片 ---------- */
.page-faq .faq-figure {
  margin: 0 0 36px;
  border: 1px solid var(--hair);
  border-radius: var(--radius);
  overflow: hidden;
  background: var(--c-deep);
}

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

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

/* ---------- 三步走 ---------- */
.page-faq .faq-steps {
  list-style: none;
  margin: 0 0 8px;
  padding: 0;
}

.page-faq .faq-step {
  display: grid;
  grid-template-columns: 46px minmax(0, 1fr);
  column-gap: 16px;
  padding: 26px 0;
  border-bottom: 1px solid var(--hair);
}

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

.page-faq .faq-step:last-child {
  border-bottom: 0;
}

.page-faq .faq-step__num {
  grid-column: 1;
  grid-row: 1;
  font-family: var(--font-num);
  font-size: 30px;
  font-weight: 600;
  line-height: 1;
  color: rgba(0, 229, 204, 0.5);
}

.page-faq .faq-step__title {
  grid-column: 2;
  grid-row: 1;
  margin: 0;
  font-size: 19px;
  font-weight: 700;
  line-height: 1.45;
  color: var(--c-fog);
}

.page-faq .faq-step__text {
  grid-column: 2;
  grid-row: 2;
  margin: 10px 0 0;
  font-size: 16px;
  line-height: 1.78;
  color: var(--c-scale);
}

.page-faq .faq-step__link {
  grid-column: 2;
  grid-row: 3;
  justify-self: start;
  margin-top: 12px;
  font-size: 14px;
  color: var(--c-cyan);
  text-decoration: none;
  border-bottom: 1px solid rgba(0, 229, 204, 0.35);
  transition: color var(--dur) var(--ease), border-color var(--dur) var(--ease);
}

.page-faq .faq-step__link:hover,
.page-faq .faq-step__link:focus-visible {
  color: var(--c-cyan-2);
  border-color: var(--c-cyan-2);
}

/* ---------- 问答列表 ---------- */
.page-faq .faq-list {
  margin: 0;
  border-top: 1px solid var(--hair);
}

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

.page-faq .faq-item__q {
  display: flex;
  align-items: flex-start;
  gap: 14px;
  padding: 20px 0;
  list-style: none;
  cursor: pointer;
  font-size: 17px;
  font-weight: 500;
  line-height: 1.6;
  color: var(--c-fog);
  transition: color var(--dur) var(--ease);
}

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

.page-faq .faq-item__q::marker {
  content: "";
}

.page-faq .faq-item__q:hover,
.page-faq .faq-item__q:focus-visible {
  color: var(--c-cyan-2);
}

.page-faq .faq-item__q:focus-visible {
  outline: 2px solid rgba(0, 229, 204, 0.6);
  outline-offset: 4px;
  border-radius: 4px;
}

.page-faq .faq-item__mark {
  flex: 0 0 auto;
  width: 9px;
  height: 9px;
  margin-top: 8px;
  border-radius: 50%;
  border: 1.5px solid rgba(0, 229, 204, 0.7);
  transition: background var(--dur) var(--ease), box-shadow var(--dur) var(--ease);
}

.page-faq .faq-item[open] .faq-item__mark {
  background: var(--c-cyan);
  box-shadow: 0 0 0 4px rgba(0, 229, 204, 0.14);
}

.page-faq .faq-item__a {
  margin: 0 0 0 4px;
  padding: 0 0 22px 18px;
  border-left: 1px solid rgba(0, 229, 204, 0.3);
  font-size: 16px;
  line-height: 1.8;
  color: var(--c-scale);
}

.page-faq .faq-item__a p {
  margin: 0;
}

.page-faq .faq-item[open] .faq-item__a {
  animation: faq-reveal 260ms var(--ease) both;
}

@keyframes faq-reveal {
  from {
    opacity: 0;
    transform: translateY(-4px);
  }
  to {
    opacity: 1;
    transform: none;
  }
}

/* ---------- 适配清单 ---------- */
.page-faq .adapt-group {
  margin: 0 0 34px;
}

.page-faq .adapt-group__title {
  display: flex;
  align-items: center;
  gap: 12px;
  margin: 0 0 2px;
  font-size: 15px;
  font-weight: 700;
  letter-spacing: 0.06em;
  color: var(--c-cyan-2);
}

.page-faq .adapt-group__title::after {
  content: "";
  flex: 1 1 auto;
  height: 1px;
  background: var(--hair);
}

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

.page-faq .adapt-row {
  display: grid;
  grid-template-columns: 14px minmax(0, 1fr);
  gap: 6px 14px;
  padding: 15px 0;
  border-bottom: 1px solid var(--hair);
}

.page-faq .adapt-row__dot {
  grid-column: 1;
  width: 9px;
  height: 9px;
  margin-top: 7px;
  border-radius: 50%;
  background: var(--c-cyan);
}

.page-faq .adapt-row__dot--warn {
  background: var(--c-gold);
}

.page-faq .adapt-row__dot--info {
  background: var(--c-mist);
}

.page-faq .adapt-row__name {
  grid-column: 2;
  font-size: 16px;
  font-weight: 500;
  line-height: 1.55;
  color: var(--c-fog);
}

.page-faq .adapt-row__note {
  grid-column: 2;
  font-size: 14px;
  line-height: 1.7;
  color: var(--c-mist);
}

/* ---------- 收尾通道 ---------- */
.page-faq .faq-outro {
  position: relative;
  margin-top: 70px;
  padding: 34px 22px;
  border: 1px solid rgba(255, 107, 53, 0.28);
  border-radius: var(--radius);
  background: linear-gradient(135deg, rgba(255, 107, 53, 0.09), rgba(11, 60, 93, 0.32));
  overflow: hidden;
}

.page-faq .faq-outro::after {
  content: "";
  position: absolute;
  right: -120px;
  bottom: -160px;
  width: 340px;
  height: 340px;
  border-radius: 50%;
  background: radial-gradient(circle, rgba(255, 107, 53, 0.16), transparent 70%);
  pointer-events: none;
}

.page-faq .faq-outro__title {
  position: relative;
  margin: 0 0 12px;
  font-size: clamp(22px, 3.4vw, 30px);
  font-weight: 900;
  line-height: 1.3;
  letter-spacing: -0.01em;
  color: var(--c-fog);
}

.page-faq .faq-outro__text {
  position: relative;
  margin: 0 0 26px;
  max-width: 58ch;
  font-size: 16px;
  line-height: 1.78;
  color: var(--c-scale);
}

.page-faq .faq-outro__actions {
  position: relative;
  display: flex;
  flex-wrap: wrap;
  gap: 12px;
}

/* ---------- 窄屏 ---------- */
@media (max-width: 600px) {
  .page-faq {
    padding-bottom: 84px;
  }

  .page-faq .faq-hero {
    padding: 18px 0 34px;
  }

  .page-faq .faq-hero__stats {
    gap: 16px 28px;
  }

  .page-faq .faq-hero__stat b {
    font-size: 26px;
  }

  .page-faq .faq-step {
    grid-template-columns: 38px minmax(0, 1fr);
    column-gap: 12px;
    padding: 22px 0;
  }

  .page-faq .faq-step__num {
    font-size: 24px;
  }

  .page-faq .faq-step__title {
    font-size: 17px;
  }

  .page-faq .faq-item__a {
    padding-left: 14px;
  }

  .page-faq .faq-outro {
    margin-top: 54px;
    padding: 28px 18px;
  }
}

/* ---------- 宽屏 ---------- */
@media (min-width: 720px) {
  .page-faq .faq-figure--square {
    max-width: 420px;
  }

  .page-faq .adapt-row {
    grid-template-columns: 14px minmax(0, 0.9fr) minmax(0, 1.1fr);
    gap: 6px 20px;
    align-items: start;
  }

  .page-faq .adapt-row__name {
    grid-column: 2;
  }

  .page-faq .adapt-row__note {
    grid-column: 3;
  }

  .page-faq .faq-outro {
    padding: 42px 38px;
  }
}

@media (min-width: 980px) {
  .page-faq .faq-board {
    display: grid;
    grid-template-columns: 236px minmax(0, 1fr);
    gap: 56px;
    align-items: start;
    margin-top: 56px;
  }

  .page-faq .faq-board__rail {
    position: sticky;
    top: 88px;
    margin-bottom: 0;
  }

  .page-faq .faq-tabs {
    flex-direction: column;
    overflow: visible;
    gap: 6px;
    margin: 0;
    padding: 0;
  }

  .page-faq .faq-tab {
    flex-direction: column;
    align-items: flex-start;
    gap: 4px;
    width: 100%;
    padding: 16px 18px;
    white-space: normal;
  }

  .page-faq .faq-tab__hint {
    display: block;
  }

  .page-faq .faq-tab[aria-selected="true"]::before {
    height: 56%;
  }
}

@media (min-width: 1180px) {
  .page-faq .faq-board {
    grid-template-columns: 260px minmax(0, 1fr);
    gap: 68px;
  }
}

/* ---------- 降低动效 ---------- */
@media (prefers-reduced-motion: reduce) {
  .page-faq .faq-panel,
  .page-faq .faq-item[open] .faq-item__a {
    animation: none;
  }

  .page-faq *,
  .page-faq *::before,
  .page-faq *::after {
    transition-duration: 120ms !important;
  }
}