.page-faq {
  --faq-panel: rgba(19, 26, 58, .62);
  --faq-panel-strong: rgba(19, 26, 58, .86);
  --faq-rule: rgba(142, 154, 196, .18);
  color: var(--snow);
  padding-bottom: 72px;
}

/* 面包屑 */
.page-faq .crumbs {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  gap: 8px;
  padding: 18px 0 4px;
  font-family: var(--mono);
  font-size: 12px;
  letter-spacing: .08em;
  color: var(--ice);
}

.page-faq .crumbs a {
  color: var(--ice);
  text-decoration: none;
  border-bottom: 1px solid transparent;
  transition: color var(--dur) var(--ease), border-color var(--dur) var(--ease);
}

.page-faq .crumbs a:hover,
.page-faq .crumbs a:focus-visible {
  color: var(--aurora);
  border-bottom-color: var(--aurora);
}

.page-faq .crumbs__sep {
  color: rgba(142, 154, 196, .5);
}

/* 首屏 */
.page-faq .faq-hero {
  position: relative;
  overflow: hidden;
  padding: 20px 0 48px;
}

.page-faq .faq-hero::before {
  content: "";
  position: absolute;
  top: -38%;
  left: -14%;
  width: 78%;
  height: 560px;
  background:
    radial-gradient(46% 58% at 26% 34%, rgba(63, 224, 208, .20), transparent 70%),
    radial-gradient(38% 50% at 76% 16%, rgba(244, 184, 96, .13), transparent 72%);
  pointer-events: none;
  z-index: 0;
}

.page-faq .faq-hero__grid {
  position: relative;
  z-index: 1;
  display: grid;
  gap: 28px;
}

.page-faq .faq-hero__kicker {
  margin: 0 0 16px;
  font-family: var(--mono);
  font-size: 12px;
  letter-spacing: .14em;
  color: var(--gold);
}

.page-faq .faq-hero h1 {
  margin: 0 0 20px;
  font-size: clamp(30px, 6.4vw, 54px);
  font-weight: 900;
  line-height: 1.14;
  letter-spacing: -.01em;
  color: var(--snow);
}

.page-faq .faq-hero__hl {
  font-style: normal;
  background: linear-gradient(100deg, var(--aurora), var(--gold));
  -webkit-background-clip: text;
  background-clip: text;
  color: transparent;
  -webkit-text-fill-color: transparent;
}

.page-faq .faq-hero__intro {
  margin: 0;
  max-width: 34em;
  font-size: 16px;
  line-height: 1.9;
  color: var(--ice);
}

.page-faq .faq-hero__aside {
  align-self: end;
  padding: 20px 22px;
  border: 1px solid var(--edge);
  border-radius: var(--radius);
  background: linear-gradient(160deg, rgba(19, 26, 58, .92), rgba(10, 16, 36, .74));
  box-shadow: var(--shadow-soft);
}

.page-faq .faq-hero__facts {
  display: grid;
  gap: 14px;
  margin: 0;
  padding: 0;
  list-style: none;
}

.page-faq .faq-hero__facts li {
  display: grid;
  gap: 4px;
  padding-bottom: 12px;
  border-bottom: 1px solid var(--faq-rule);
}

.page-faq .faq-hero__facts li:last-child {
  padding-bottom: 0;
  border-bottom: 0;
}

.page-faq .faq-fact__k {
  font-family: var(--mono);
  font-size: 12px;
  letter-spacing: .08em;
  color: var(--gold);
}

.page-faq .faq-fact__v {
  font-size: 15px;
  line-height: 1.6;
  color: var(--snow);
}

/* 主体两栏 */
.page-faq .faq-layout {
  display: grid;
  gap: 30px;
}

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

/* 左侧索引 */
.page-faq .faq-index {
  padding: 18px 16px 14px;
  border: 1px solid var(--edge);
  border-radius: var(--radius);
  background: var(--faq-panel);
}

.page-faq .faq-index__title {
  margin: 0 0 12px;
  font-family: var(--serif);
  font-size: 15px;
  letter-spacing: .1em;
  color: var(--gold);
}

.page-faq .faq-index__list {
  display: grid;
  gap: 2px;
  margin: 0;
  padding: 0;
  list-style: none;
}

.page-faq .faq-index__link {
  display: grid;
  grid-template-columns: 30px 10px minmax(0, 1fr);
  align-items: center;
  gap: 8px;
  padding: 9px 6px;
  border-left: 1px solid transparent;
  font-size: 14px;
  line-height: 1.5;
  color: var(--ice);
  text-decoration: none;
  transition: color var(--dur) var(--ease), background var(--dur) var(--ease), border-color var(--dur) var(--ease);
}

.page-faq .faq-index__link:hover,
.page-faq .faq-index__link:focus-visible {
  color: var(--snow);
  border-left-color: var(--aurora);
  background: rgba(63, 224, 208, .07);
  outline: none;
}

.page-faq .faq-index__num {
  font-family: var(--mono);
  font-size: 11px;
  letter-spacing: .08em;
  color: var(--gold);
}

.page-faq .faq-index__dot {
  width: 8px;
  height: 8px;
  border-radius: 50%;
  background: radial-gradient(circle at 35% 35%, var(--aurora), rgba(63, 224, 208, .12));
  box-shadow: 0 0 0 3px rgba(63, 224, 208, .08);
  opacity: .5;
  transition: opacity var(--dur) var(--ease), box-shadow var(--dur) var(--ease);
}

.page-faq .faq-index__item.is-lit .faq-index__dot,
.page-faq .faq-index__link:hover .faq-index__dot {
  opacity: 1;
  box-shadow: 0 0 0 5px rgba(63, 224, 208, .16);
}

/* 章节 */
.page-faq .faq-sec {
  padding: 30px 0 10px;
  border-top: 1px solid var(--faq-rule);
  scroll-margin-top: 84px;
}

.page-faq .faq-sec:first-child {
  padding-top: 6px;
  border-top: 0;
}

.page-faq .faq-sec__head {
  display: grid;
  grid-template-columns: auto minmax(0, 1fr);
  gap: 10px 14px;
  align-items: baseline;
  margin-bottom: 20px;
}

.page-faq .faq-sec__num {
  font-family: var(--mono);
  font-size: 12px;
  letter-spacing: .08em;
  color: var(--gold);
}

.page-faq .faq-sec__title {
  margin: 0;
  font-size: clamp(20px, 3.2vw, 26px);
  font-weight: 800;
  line-height: 1.32;
  letter-spacing: -.005em;
}

.page-faq .faq-sec__lead {
  grid-column: 2;
  margin: 0;
  max-width: 34em;
  font-size: 15px;
  line-height: 1.9;
  color: var(--ice);
}

/* 步骤 */
.page-faq .faq-split {
  display: grid;
  gap: 22px;
}

.page-faq .steps {
  display: grid;
  gap: 14px;
  margin: 0;
  padding: 0;
  list-style: none;
}

.page-faq .steps__item {
  display: grid;
  grid-template-columns: 38px minmax(0, 1fr);
  gap: 14px;
  padding: 14px 16px;
  border: 1px solid var(--edge);
  border-left: 2px solid rgba(63, 224, 208, .32);
  border-radius: var(--radius-sm);
  background: var(--faq-panel);
  transition: border-color var(--dur) var(--ease), background var(--dur) var(--ease);
}

.page-faq .steps__item:hover {
  border-left-color: var(--aurora);
  background: var(--faq-panel-strong);
}

.page-faq .steps__num {
  font-family: var(--mono);
  font-size: 18px;
  line-height: 1.3;
  color: var(--aurora);
}

.page-faq .steps__title {
  margin: 0 0 6px;
  font-size: 16px;
  font-weight: 700;
  line-height: 1.5;
  color: var(--snow);
}

.page-faq .steps__text {
  margin: 0;
  font-size: 15px;
  line-height: 1.8;
  color: var(--ice);
}

.page-faq .steps__obs {
  display: inline-block;
  margin-top: 8px;
  font-family: var(--mono);
  font-size: 12px;
  letter-spacing: .05em;
  line-height: 1.6;
  color: var(--gold);
}

/* 图 */
.page-faq .faq-figure {
  margin: 0;
}

.page-faq .faq-figure--wide {
  margin-bottom: 20px;
}

.page-faq .faq-figure img {
  display: block;
  width: 100%;
  max-width: 100%;
  height: auto;
  border: 1px solid var(--edge);
  border-radius: var(--radius);
  background: var(--ink-deep);
  object-fit: cover;
  box-shadow: var(--shadow-soft);
}

.page-faq .faq-figure figcaption {
  margin-top: 10px;
  font-family: var(--mono);
  font-size: 12px;
  letter-spacing: .06em;
  line-height: 1.6;
  color: var(--ice);
}

/* 提示条 */
.page-faq .faq-note {
  margin: 20px 0 0;
  padding: 14px 16px 14px 18px;
  border: 1px solid rgba(255, 122, 92, .26);
  border-left: 3px solid var(--coral);
  border-radius: var(--radius-sm);
  background: rgba(255, 122, 92, .08);
  max-width: 46em;
  font-size: 14px;
  line-height: 1.85;
  color: var(--snow);
}

/* 折叠问答 */
.page-faq .faq {
  display: grid;
  gap: 12px;
}

.page-faq .faq__item {
  border: 1px solid var(--edge);
  border-radius: var(--radius-sm);
  background: var(--faq-panel);
  transition: border-color var(--dur) var(--ease), background var(--dur) var(--ease);
}

.page-faq .faq__item:hover {
  border-color: rgba(63, 224, 208, .34);
}

.page-faq .faq__item[open] {
  border-color: rgba(63, 224, 208, .46);
  background: var(--faq-panel-strong);
}

.page-faq .faq__item summary {
  display: grid;
  grid-template-columns: 12px minmax(0, 1fr) 16px;
  gap: 12px;
  align-items: center;
  padding: 15px 16px;
  list-style: none;
  cursor: pointer;
  font-size: 15.5px;
  font-weight: 600;
  line-height: 1.6;
  color: var(--snow);
}

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

.page-faq .faq__item summary:focus-visible {
  outline: 2px solid var(--aurora);
  outline-offset: -2px;
  border-radius: var(--radius-sm);
}

.page-faq .faq__dot {
  width: 8px;
  height: 8px;
  border-radius: 50%;
  background: rgba(142, 154, 196, .5);
  transition: background var(--dur) var(--ease), box-shadow var(--dur) var(--ease);
}

.page-faq .faq__item[open] .faq__dot {
  background: var(--aurora);
  box-shadow: 0 0 0 4px rgba(63, 224, 208, .16);
}

.page-faq .faq__mark {
  font-family: var(--mono);
  font-size: 15px;
  text-align: right;
  color: var(--ice);
  transition: transform var(--dur) var(--ease), color var(--dur) var(--ease);
}

.page-faq .faq__item[open] .faq__mark {
  transform: rotate(45deg);
  color: var(--aurora);
}

.page-faq .faq__body {
  padding: 0 16px 16px;
  font-size: 15px;
  line-height: 1.85;
  color: var(--ice);
}

.page-faq .faq__body p {
  margin: 0 0 10px;
  max-width: 34em;
}

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

.page-faq .faq__body a {
  color: var(--aurora);
  text-decoration: none;
  border-bottom: 1px solid rgba(63, 224, 208, .4);
  transition: border-color var(--dur) var(--ease);
}

.page-faq .faq__body a:hover,
.page-faq .faq__body a:focus-visible {
  border-bottom-color: var(--aurora);
}

.page-faq .faq-contactline {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  gap: 10px;
  margin: 12px 0 0;
  font-family: var(--mono);
  font-size: 13px;
  letter-spacing: .04em;
  color: var(--snow);
}

.page-faq .faq-copy {
  font-family: var(--mono);
  font-size: 12px;
  letter-spacing: .06em;
  padding: 5px 12px;
  border: 1px solid rgba(63, 224, 208, .38);
  border-radius: 999px;
  background: rgba(63, 224, 208, .10);
  color: var(--aurora);
  cursor: pointer;
  transition: background var(--dur) var(--ease), color var(--dur) var(--ease), border-color var(--dur) var(--ease);
}

.page-faq .faq-copy:hover,
.page-faq .faq-copy:focus-visible {
  background: rgba(63, 224, 208, .22);
  outline: none;
}

.page-faq .faq-copy.is-copied {
  background: var(--aurora);
  border-color: var(--aurora);
  color: var(--ink-night);
}

.page-faq .faq-copy.is-copied::after {
  content: " ✓";
}

/* 提交信息清单 */
.page-faq .report-list {
  display: grid;
  gap: 1px;
  margin: 0;
  padding: 0;
  list-style: none;
  border: 1px solid var(--edge);
  border-radius: var(--radius-sm);
  background: var(--edge);
  overflow: hidden;
}

.page-faq .report-list__item {
  display: grid;
  gap: 4px;
  padding: 14px 16px;
  background: var(--faq-panel);
  transition: background var(--dur) var(--ease);
}

.page-faq .report-list__item:hover {
  background: var(--faq-panel-strong);
}

.page-faq .report-list__k {
  font-family: var(--mono);
  font-size: 12px;
  letter-spacing: .08em;
  color: var(--gold);
}

.page-faq .report-list__v {
  font-size: 15px;
  line-height: 1.75;
  color: var(--snow);
}

.page-faq .faq-cta {
  display: flex;
  flex-wrap: wrap;
  gap: 12px;
  margin-top: 22px;
}

/* 响应式 */
@media (min-width: 760px) {
  .page-faq .faq-split {
    grid-template-columns: minmax(0, 1fr) minmax(0, .82fr);
    align-items: start;
  }

  .page-faq .faq__body {
    padding-left: 42px;
  }
}

@media (min-width: 920px) {
  .page-faq .faq-hero {
    padding: 28px 0 56px;
  }

  .page-faq .faq-hero__grid {
    grid-template-columns: minmax(0, 1.42fr) minmax(0, .78fr);
    align-items: end;
  }
}

@media (min-width: 1000px) {
  .page-faq .faq-layout {
    grid-template-columns: 268px minmax(0, 1fr);
    gap: 46px;
    align-items: start;
  }

  .page-faq .faq-index {
    position: sticky;
    top: 24px;
  }

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

@media (prefers-reduced-motion: reduce) {
  .page-faq .faq-index__dot,
  .page-faq .faq__dot,
  .page-faq .faq__mark,
  .page-faq .steps__item,
  .page-faq .faq-copy,
  .page-faq .report-list__item {
    transition: none;
  }
}