.page-faq {
  --faq-radius: var(--radius);
}

.page-faq .faq-topbar {
  padding-block: 22px 4px;
}

.page-faq h1 {
  margin: 14px 0 18px;
  font-size: clamp(29px, 7.2vw, 54px);
  line-height: 1.16;
  font-weight: 900;
  letter-spacing: 0.02em;
  color: var(--c-mist);
  text-shadow: 0 0 28px rgba(34, 227, 211, 0.18);
}

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

.page-faq a {
  overflow-wrap: anywhere;
}

/* 首屏 */
.page-faq .faq-hero {
  display: grid;
  grid-template-columns: minmax(0, 1fr);
  gap: 30px;
  padding-block: 26px 46px;
  align-items: center;
}

.page-faq .faq-kpis {
  list-style: none;
  margin: 24px 0 24px;
  padding: 0;
  display: flex;
  flex-wrap: wrap;
  gap: 14px 26px;
}

.page-faq .faq-kpis__item {
  display: flex;
  align-items: baseline;
  gap: 9px;
  padding-left: 13px;
  border-left: 1px solid var(--edge-line);
}

.page-faq .faq-kpis__num {
  font-family: var(--font-mono);
  font-size: 26px;
  line-height: 1;
  color: var(--c-amber);
  letter-spacing: 0.04em;
}

.page-faq .faq-kpis__label {
  font-size: 13px;
  color: var(--c-muted);
}

.page-faq .faq-jump {
  display: flex;
  flex-wrap: wrap;
  gap: 10px;
}

.page-faq .faq-jump__link {
  text-decoration: none;
}

.page-faq .faq-hero__media {
  position: relative;
  margin: 0;
  border: 1px solid var(--edge-cyan);
  border-radius: var(--faq-radius);
  overflow: hidden;
  background: linear-gradient(150deg, var(--glass-cyan), var(--glass-magenta));
  box-shadow: var(--shadow-soft);
}

.page-faq .faq-hero__media::after {
  content: "";
  position: absolute;
  inset: 0;
  background: linear-gradient(200deg, rgba(255, 61, 139, 0.16), transparent 62%);
  pointer-events: none;
}

.page-faq .faq-hero__media img {
  width: 100%;
  aspect-ratio: 10 / 7;
  object-fit: cover;
}

.page-faq .faq-caption {
  padding: 11px 16px 13px;
  font-size: 12px;
  line-height: 1.7;
  color: var(--c-muted);
}

/* 四组索引 */
.page-faq .faq-index {
  padding-block: 20px 10px;
}

.page-faq .faq-nodes {
  display: grid;
  grid-template-columns: minmax(0, 1fr);
  gap: 16px;
  margin-top: 28px;
}

.page-faq .faq-node {
  position: relative;
  display: block;
  padding: 20px 18px 18px;
  border: 1px solid var(--edge-line);
  border-radius: var(--faq-radius);
  background: linear-gradient(165deg, var(--glass-cyan), transparent 72%);
  color: inherit;
  text-decoration: none;
  transition: transform var(--dur) var(--ease), border-color var(--dur) var(--ease),
    box-shadow var(--dur) var(--ease);
}

.page-faq .faq-node:nth-child(2n) {
  background: linear-gradient(165deg, var(--glass-magenta), transparent 72%);
}

.page-faq .faq-node:hover,
.page-faq .faq-node:focus-visible {
  transform: translateY(-3px);
  border-color: var(--edge-cyan);
  box-shadow: var(--shadow-soft);
}

.page-faq .faq-node__num {
  display: block;
  font-family: var(--font-mono);
  font-size: 34px;
  line-height: 1;
  letter-spacing: 0.06em;
  color: var(--c-amber);
}

.page-faq .faq-node__title {
  margin: 12px 0 8px;
  font-size: 18px;
  font-weight: 800;
  letter-spacing: 0.02em;
  color: var(--c-mist);
}

.page-faq .faq-node__desc {
  margin: 0 0 14px;
  font-size: 13.5px;
  line-height: 1.7;
  color: var(--c-muted);
}

.page-faq .faq-node__list {
  list-style: none;
  margin: 0;
  padding: 0;
  font-size: 13px;
  line-height: 1.85;
  color: var(--c-mist);
}

.page-faq .faq-node__list li {
  position: relative;
  padding-left: 15px;
}

.page-faq .faq-node__list li::before {
  content: "";
  position: absolute;
  left: 0;
  top: 0.82em;
  width: 7px;
  height: 1px;
  background: var(--c-cyan);
}

.page-faq .faq-note {
  margin: 20px 0 0;
  padding-top: 15px;
  border-top: 1px solid var(--edge-line);
  font-size: 13px;
  line-height: 1.8;
  color: var(--c-muted);
}

/* 正文布局 */
.page-faq .faq-layout {
  display: grid;
  grid-template-columns: minmax(0, 1fr);
  gap: 30px;
  padding-block: 38px 62px;
}

.page-faq .faq-rail {
  display: none;
}

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

/* 分组 */
.page-faq .faq-group {
  padding-block: 34px 30px;
  border-top: 1px solid var(--edge-line);
  scroll-margin-top: 110px;
}

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

.page-faq .faq-group__head {
  display: grid;
  grid-template-columns: auto minmax(0, 1fr);
  gap: 16px;
  align-items: start;
  margin-bottom: 24px;
}

.page-faq .faq-group__no {
  font-family: var(--font-mono);
  font-size: clamp(26px, 6vw, 42px);
  line-height: 1;
  letter-spacing: 0.04em;
  color: var(--c-cyan);
}

.page-faq .faq-group__head h2 {
  margin: 0 0 10px;
  font-size: clamp(21px, 4.4vw, 31px);
  font-weight: 900;
  letter-spacing: 0.02em;
  color: var(--c-mist);
}

.page-faq .faq-group__intro {
  margin: 0;
  max-width: 44em;
  font-size: 15.5px;
  line-height: 1.85;
  color: var(--c-muted);
}

/* 折叠条目 */
.page-faq .faq-item {
  margin-top: 12px;
  border: 1px solid var(--edge-line);
  border-radius: var(--faq-radius);
  background: var(--c-panel);
  transition: border-color var(--dur) var(--ease), background var(--dur) var(--ease);
}

.page-faq .faq-item[open] {
  border-color: var(--edge-cyan);
  background: linear-gradient(170deg, var(--glass-cyan), var(--c-panel) 70%);
}

.page-faq .faq-item__q {
  display: flex;
  align-items: center;
  gap: 12px;
  padding: 16px 18px;
  cursor: pointer;
  list-style: none;
  font-size: 15.5px;
  font-weight: 700;
  line-height: 1.6;
  color: var(--c-mist);
}

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

.page-faq .faq-item__q::before {
  content: "+";
  flex: 0 0 auto;
  font-family: var(--font-mono);
  font-size: 18px;
  line-height: 1;
  color: var(--c-cyan);
}

.page-faq .faq-item[open] .faq-item__q::before {
  content: "\2212";
}

.page-faq .faq-item__ver {
  margin-left: auto;
  flex: 0 0 auto;
}

.page-faq .faq-item__body {
  padding: 0 18px 18px 46px;
  font-size: 14.5px;
  line-height: 1.85;
  color: var(--c-muted);
}

.page-faq .faq-item__body p {
  margin: 0 0 10px;
}

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

.page-faq .faq-item__body a,
.page-faq .faq-after a {
  color: var(--c-cyan);
  text-decoration: none;
  border-bottom: 1px solid var(--edge-cyan);
}

.page-faq .faq-item__body a:hover,
.page-faq .faq-after a:hover {
  color: var(--c-amber);
  border-bottom-color: var(--c-amber);
}

/* 步骤 */
.page-faq .faq-steps {
  list-style: none;
  margin: 6px 0 0;
  padding: 0;
}

.page-faq .faq-steps__item {
  position: relative;
  padding: 4px 0 26px 58px;
}

.page-faq .faq-steps__item::after {
  content: "";
  position: absolute;
  left: 39px;
  top: 26px;
  bottom: 6px;
  width: 1px;
  background: var(--edge-line);
}

.page-faq .faq-steps__item:last-child::after {
  display: none;
}

.page-faq .faq-steps__num {
  position: absolute;
  left: 0;
  top: 6px;
  font-family: var(--font-mono);
  font-size: 19px;
  letter-spacing: 0.06em;
  color: var(--c-amber);
}

.page-faq .faq-steps__title {
  margin: 0 0 8px;
  font-size: 16.5px;
  font-weight: 800;
  letter-spacing: 0.01em;
  color: var(--c-mist);
}

.page-faq .faq-steps__text {
  margin: 0;
  max-width: 42em;
  font-size: 15px;
  line-height: 1.85;
  color: var(--c-muted);
}

.page-faq .faq-figure {
  margin: 8px 0 0;
  border: 1px solid var(--edge-line);
  border-radius: var(--faq-radius);
  overflow: hidden;
  background: linear-gradient(200deg, var(--glass-magenta), transparent 68%);
}

.page-faq .faq-figure img {
  width: 100%;
  aspect-ratio: 3 / 2;
  object-fit: cover;
}

.page-faq .faq-after {
  margin: 20px 0 0;
  max-width: 44em;
  font-size: 14px;
  line-height: 1.85;
  color: var(--c-muted);
}

/* 判断分支图 */
.page-faq .faq-flow {
  display: block;
  width: 100%;
  height: auto;
  margin: 6px 0 20px;
}

.page-faq .flow-node {
  fill: rgba(11, 19, 48, 0.88);
  stroke: var(--edge-cyan);
  stroke-width: 1.2;
}

.page-faq .flow-node--magenta {
  stroke: var(--edge-magenta);
}

.page-faq .flow-line {
  stroke: var(--edge-cyan);
  stroke-width: 1.3;
}

.page-faq .flow-text {
  fill: var(--c-mist);
  font-family: var(--font-sans);
  font-size: 16px;
  font-weight: 700;
  letter-spacing: 0.02em;
}

/* 客服区 */
.page-faq .faq-support {
  display: grid;
  grid-template-columns: minmax(0, 1fr);
  gap: 22px;
}

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

.page-faq .faq-checklist li {
  counter-increment: ck;
  position: relative;
  padding: 11px 0 11px 42px;
  border-bottom: 1px dashed var(--edge-line);
  font-size: 14.5px;
  line-height: 1.75;
  color: var(--c-mist);
}

.page-faq .faq-checklist li::before {
  content: counter(ck, decimal-leading-zero);
  position: absolute;
  left: 0;
  top: 12px;
  font-family: var(--font-mono);
  font-size: 13px;
  letter-spacing: 0.06em;
  color: var(--c-amber);
}

.page-faq .faq-contact {
  padding: 22px 20px;
  border: 1px solid var(--edge-magenta);
  border-radius: var(--faq-radius);
  background: linear-gradient(170deg, var(--glass-magenta), transparent 74%);
}

.page-faq .faq-contact__line {
  display: flex;
  flex-wrap: wrap;
  gap: 6px 12px;
  margin: 0 0 12px;
  font-size: 14.5px;
  line-height: 1.7;
  color: var(--c-mist);
}

.page-faq .faq-contact__label {
  flex: 0 0 auto;
  font-family: var(--font-mono);
  font-size: 12px;
  letter-spacing: 0.12em;
  color: var(--c-cyan);
  padding-top: 3px;
}

.page-faq .faq-contact a {
  color: var(--c-mist);
  text-decoration: none;
  border-bottom: 1px solid var(--edge-cyan);
}

.page-faq .faq-contact a:hover {
  color: var(--c-amber);
  border-bottom-color: var(--c-amber);
}

.page-faq .faq-contact__note {
  margin: 16px 0 0;
  padding-top: 14px;
  border-top: 1px solid var(--edge-line);
  font-size: 13px;
  line-height: 1.8;
  color: var(--c-muted);
}

.page-faq .faq-totop {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  margin-top: 26px;
  font-size: 13px;
  letter-spacing: 0.06em;
  color: var(--c-muted);
  text-decoration: none;
}

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

/* 窄屏收口 */
@media (max-width: 479px) {
  .page-faq .faq-group__head {
    grid-template-columns: minmax(0, 1fr);
    gap: 10px;
  }

  .page-faq .faq-item__body {
    padding-left: 18px;
  }

  .page-faq .faq-steps__item {
    padding-left: 46px;
  }

  .page-faq .faq-steps__item::after {
    left: 30px;
  }
}

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

  .page-faq .faq-support {
    grid-template-columns: minmax(0, 1.1fr) minmax(0, 0.9fr);
    align-items: start;
  }
}

/* 桌面 */
@media (min-width: 900px) {
  .page-faq .faq-hero {
    grid-template-columns: minmax(0, 1.05fr) minmax(0, 0.95fr);
    gap: 52px;
    padding-block: 40px 74px;
  }
}

@media (min-width: 1024px) {
  .page-faq .faq-layout {
    grid-template-columns: 214px minmax(0, 1fr);
    gap: 56px;
    align-items: start;
  }

  .page-faq .faq-rail {
    display: block;
    position: sticky;
    top: 104px;
  }

  .page-faq .faq-rail ul {
    list-style: none;
    margin: 14px 0 0;
    padding: 0;
  }

  .page-faq .faq-rail a {
    display: block;
    padding: 8px 0 8px 13px;
    border-left: 1px solid var(--edge-line);
    font-size: 13px;
    line-height: 1.5;
    color: var(--c-muted);
    text-decoration: none;
    transition: color var(--dur) var(--ease), border-color var(--dur) var(--ease);
  }

  .page-faq .faq-rail a:hover {
    color: var(--c-mist);
  }

  .page-faq .faq-rail a[aria-current="true"] {
    color: var(--c-cyan);
    border-left-color: var(--c-cyan);
  }
}

@media (min-width: 1180px) {
  .page-faq .faq-nodes {
    grid-template-columns: repeat(4, minmax(0, 1fr));
  }
}

@media (prefers-reduced-motion: reduce) {
  .page-faq .faq-node,
  .page-faq .faq-item {
    transition: none;
  }

  .page-faq .faq-node:hover,
  .page-faq .faq-node:focus-visible {
    transform: none;
  }
}