/* ===== 帮助知识库 / page-faq ===== */

.page-faq {
  --faq-edge: 3px;
  --faq-shift: 6px 8px 0 rgba(42, 55, 102, .55);
  padding-bottom: 88px;
  overflow-wrap: break-word;
}

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

/* --- 面包屑 --- */
.page-faq .gx-crumbs {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  gap: 8px;
  margin: 22px 0 18px;
  font-family: var(--gx-font-mono);
  font-size: var(--gx-fs-12);
  letter-spacing: .08em;
  color: var(--gx-mist);
}

.page-faq .gx-crumbs__item {
  color: var(--gx-mist);
  text-decoration: none;
}

.page-faq .gx-crumbs__item[aria-current="page"] {
  color: var(--gx-beam);
}

.page-faq a.gx-crumbs__item:hover,
.page-faq a.gx-crumbs__item:focus-visible {
  color: var(--gx-gold);
}

.page-faq .gx-crumbs__sep {
  color: var(--gx-rail);
}

/* --- 首屏 --- */
.page-faq .faq-hero {
  position: relative;
  display: grid;
  gap: 26px;
  padding: 30px 0 38px;
  background:
    radial-gradient(88% 130% at 88% -22%, rgba(111, 77, 245, .42), transparent 62%),
    radial-gradient(66% 108% at -12% 112%, rgba(53, 227, 210, .18), transparent 62%);
}

.page-faq .faq-hero__text > * + * {
  margin-top: 16px;
}

.page-faq .faq-hero__title {
  font-size: var(--gx-fs-48);
  font-weight: 200;
  line-height: 1.04;
  letter-spacing: -.02em;
  color: var(--gx-dust);
  margin: 0;
}

.page-faq .faq-hero__lead {
  max-width: 64ch;
  color: var(--gx-mist);
  font-size: var(--gx-fs-18);
  line-height: 1.75;
  margin: 0;
}

.page-faq .faq-hero__actions {
  display: flex;
  flex-wrap: wrap;
  gap: 12px;
  padding-top: 6px;
}

.page-faq .faq-hero__media {
  position: relative;
  margin: 0;
  border: var(--faq-edge) solid var(--gx-rail);
  box-shadow: var(--faq-shift);
  background: linear-gradient(145deg, var(--gx-hull), var(--gx-void));
  overflow: hidden;
}

.page-faq .faq-hero__media img {
  display: block;
  width: 100%;
  height: auto;
  aspect-ratio: 1400 / 600;
  object-fit: cover;
}

/* --- 分组索引 --- */
.page-faq .faq-hub {
  padding: 26px 0 6px;
  border-bottom: var(--faq-edge) solid var(--gx-rail);
}

.page-faq .faq-hub__list {
  display: flex;
  flex-wrap: wrap;
  gap: 8px;
  margin: 0;
  padding: 0 0 22px;
  list-style: none;
}

.page-faq .faq-hub__link {
  display: inline-flex;
  align-items: baseline;
  gap: 8px;
  padding: 8px 14px;
  border: 2px solid var(--gx-rail);
  background: var(--gx-hull);
  color: var(--gx-dust);
  font-size: var(--gx-fs-14);
  text-decoration: none;
  transition: border-color 180ms var(--gx-ease), color 180ms var(--gx-ease), box-shadow 180ms var(--gx-ease);
}

.page-faq .faq-hub__num {
  font-family: var(--gx-font-mono);
  font-size: var(--gx-fs-12);
  letter-spacing: .1em;
  color: var(--gx-mist);
}

.page-faq .faq-hub__link:hover,
.page-faq .faq-hub__link:focus-visible {
  border-color: var(--gx-beam);
  color: var(--gx-beam);
  box-shadow: 0 0 0 3px rgba(53, 227, 210, .22);
}

/* --- 条目说明 --- */
.page-faq .faq-howto {
  margin-top: 34px;
  padding: 24px 20px 26px;
  border: var(--faq-edge) solid var(--gx-rail);
  background: var(--gx-hull);
  box-shadow: 8px 12px 0 rgba(42, 55, 102, .4);
}

.page-faq .faq-howto__title {
  margin: 0;
  font-size: var(--gx-fs-24);
  font-weight: 600;
  color: var(--gx-dust);
}

.page-faq .faq-howto__list {
  display: grid;
  gap: 20px;
  margin: 20px 0 0;
  padding: 0;
  list-style: none;
}

.page-faq .faq-howto__num {
  display: block;
  font-family: var(--gx-font-mono);
  font-size: var(--gx-fs-12);
  letter-spacing: .16em;
  color: var(--gx-beam);
  margin-bottom: 6px;
}

.page-faq .faq-howto__sub {
  margin: 0 0 6px;
  font-size: var(--gx-fs-16);
  font-weight: 600;
  color: var(--gx-dust);
}

.page-faq .faq-howto__body {
  margin: 0;
  font-size: var(--gx-fs-16);
  line-height: 1.75;
  color: var(--gx-mist);
}

/* --- 分组区块 --- */
.page-faq .faq-group {
  display: grid;
  gap: 16px;
  padding: 34px 0 30px;
  border-bottom: var(--faq-edge) solid var(--gx-rail);
}

.page-faq .faq-group__head {
  display: flex;
  flex-wrap: wrap;
  align-items: baseline;
  gap: 12px;
}

.page-faq .faq-group__idx {
  margin: 0;
  font-family: var(--gx-font-mono);
  font-size: var(--gx-fs-12);
  letter-spacing: .18em;
  color: var(--gx-beam);
}

.page-faq .faq-group__title {
  margin: 0;
  font-size: var(--gx-fs-24);
  font-weight: 600;
  color: var(--gx-dust);
}

.page-faq .faq-group--fee .faq-group__idx {
  color: var(--gx-gold);
}

/* --- 折叠条目 --- */
.page-faq .faq-item {
  margin-bottom: 10px;
  border: var(--faq-edge) solid var(--gx-rail);
  background: var(--gx-hull);
  transition: border-color 180ms var(--gx-ease), box-shadow 180ms var(--gx-ease), transform 180ms var(--gx-ease);
}

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

.page-faq .faq-item:has(.faq-trigger[aria-expanded="true"]) {
  border-color: var(--gx-gold);
  background: linear-gradient(180deg, rgba(255, 194, 75, .07), transparent 70%), var(--gx-hull);
}

@media (hover: hover) {
  .page-faq .faq-item:hover {
    transform: translate(-2px, -2px);
    box-shadow: var(--faq-shift);
  }
}

.page-faq .faq-item__q {
  margin: 0;
  font-size: inherit;
  font-weight: inherit;
}

.page-faq .faq-trigger {
  display: grid;
  grid-template-columns: auto minmax(0, 1fr) auto;
  align-items: start;
  gap: 12px;
  width: 100%;
  padding: 15px 16px;
  border: 0;
  background: transparent;
  color: var(--gx-dust);
  font-family: inherit;
  font-size: var(--gx-fs-16);
  line-height: 1.6;
  text-align: left;
  cursor: pointer;
}

.page-faq .faq-trigger:focus-visible {
  outline: 3px solid var(--gx-beam);
  outline-offset: -1px;
}

.page-faq .faq-item__num {
  padding-top: 4px;
  font-family: var(--gx-font-mono);
  font-size: var(--gx-fs-12);
  letter-spacing: .1em;
  color: var(--gx-mist);
  transition: color 180ms var(--gx-ease);
}

.page-faq .faq-trigger[aria-expanded="true"] .faq-item__num {
  color: var(--gx-gold);
}

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

.page-faq .faq-item__mark {
  width: 9px;
  height: 9px;
  margin-top: 7px;
  border-right: 2px solid var(--gx-beam);
  border-bottom: 2px solid var(--gx-beam);
  transform: rotate(45deg);
  transition: transform 260ms var(--gx-ease), border-color 180ms var(--gx-ease);
}

.page-faq .faq-trigger[aria-expanded="true"] .faq-item__mark {
  transform: rotate(-135deg);
  border-color: var(--gx-gold);
}

.page-faq .faq-panel__inner {
  padding: 14px 16px 18px;
  border-top: 1px solid var(--gx-rail);
  color: var(--gx-mist);
  font-size: var(--gx-fs-16);
  line-height: 1.75;
}

.page-faq .faq-panel__inner p {
  margin: 0 0 10px;
  max-width: 68ch;
}

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

.page-faq .faq-panel__inner strong {
  color: var(--gx-dust);
  font-weight: 600;
}

.page-faq .faq-panel__inner ol {
  margin: 10px 0 12px;
  padding-left: 20px;
}

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

.page-faq .faq-panel__inner li::marker {
  color: var(--gx-beam);
  font-family: var(--gx-font-mono);
  font-size: var(--gx-fs-14);
}

.page-faq .faq-panel__link {
  padding-top: 10px;
  border-top: 1px dashed var(--gx-rail);
  font-size: var(--gx-fs-14);
}

.page-faq .faq-panel__link a {
  color: var(--gx-beam);
  text-decoration: none;
  border-bottom: 1px solid rgba(53, 227, 210, .45);
}

.page-faq .faq-panel__link a:hover,
.page-faq .faq-panel__link a:focus-visible {
  color: var(--gx-gold);
  border-bottom-color: var(--gx-gold);
}

/* --- 大陆版板块 --- */
.page-faq .faq-mainland {
  margin-top: 34px;
  padding: 28px 20px 30px;
  border: var(--faq-edge) solid var(--gx-beam);
  background:
    linear-gradient(155deg, rgba(53, 227, 210, .13), transparent 58%),
    linear-gradient(20deg, rgba(111, 77, 245, .16), transparent 60%),
    var(--gx-hull);
  box-shadow: var(--faq-shift);
}

.page-faq .faq-mainland__head > * + * {
  margin-top: 12px;
}

.page-faq .faq-mainland__title {
  margin: 0;
  font-size: var(--gx-fs-32);
  font-weight: 300;
  line-height: 1.15;
  letter-spacing: -.01em;
  color: var(--gx-dust);
}

.page-faq .faq-mainland__lead {
  margin: 0 0 22px;
  max-width: 62ch;
  color: var(--gx-mist);
  font-size: var(--gx-fs-16);
  line-height: 1.75;
}

.page-faq .faq-mainland .faq-item {
  border-color: rgba(53, 227, 210, .4);
  background: rgba(6, 10, 28, .6);
}

/* --- 版本同步 --- */
.page-faq .faq-sync {
  margin-top: 34px;
  padding: 26px 20px 28px;
  border-left: 6px solid var(--gx-nebula);
  background:
    linear-gradient(90deg, rgba(111, 77, 245, .2), transparent 72%),
    var(--gx-void);
}

.page-faq .faq-sync__title {
  margin: 10px 0 14px;
  font-size: var(--gx-fs-24);
  font-weight: 300;
  color: var(--gx-dust);
}

.page-faq .faq-sync__body {
  margin: 0 0 12px;
  max-width: 68ch;
  color: var(--gx-mist);
  font-size: var(--gx-fs-16);
  line-height: 1.75;
}

.page-faq .faq-sync__link {
  margin: 16px 0 0;
  font-size: var(--gx-fs-14);
}

.page-faq .faq-sync__link a {
  color: var(--gx-beam);
  text-decoration: none;
  border-bottom: 1px solid rgba(53, 227, 210, .45);
}

.page-faq .faq-sync__link a:hover,
.page-faq .faq-sync__link a:focus-visible {
  color: var(--gx-gold);
  border-bottom-color: var(--gx-gold);
}

/* --- 咨询收尾 --- */
.page-faq .faq-help {
  display: grid;
  gap: 26px;
  margin-top: 46px;
  padding: 30px 20px;
  border: var(--faq-edge) solid var(--gx-rail);
  background:
    linear-gradient(160deg, rgba(255, 194, 75, .11), transparent 62%),
    var(--gx-hull);
  box-shadow: var(--faq-shift);
}

.page-faq .faq-help__title {
  margin: 10px 0 12px;
  font-size: var(--gx-fs-32);
  font-weight: 300;
  line-height: 1.15;
  color: var(--gx-dust);
}

.page-faq .faq-help__lead {
  margin: 0;
  max-width: 60ch;
  color: var(--gx-mist);
  font-size: var(--gx-fs-16);
  line-height: 1.75;
}

.page-faq .faq-help__list {
  display: grid;
  gap: 0;
  margin: 22px 0 0;
  padding: 0;
  list-style: none;
}

.page-faq .faq-help__row {
  display: grid;
  gap: 4px;
  padding: 12px 0;
  border-bottom: 1px solid var(--gx-rail);
}

.page-faq .faq-help__key {
  font-family: var(--gx-font-mono);
  font-size: var(--gx-fs-12);
  letter-spacing: .14em;
  color: var(--gx-mist);
}

.page-faq .faq-help__val {
  color: var(--gx-dust);
  font-size: var(--gx-fs-16);
  line-height: 1.7;
}

.page-faq .faq-help__val a {
  color: var(--gx-gold);
  text-decoration: none;
  border-bottom: 1px solid rgba(255, 194, 75, .5);
}

.page-faq .faq-help__val a:hover,
.page-faq .faq-help__val a:focus-visible {
  color: var(--gx-beam);
  border-bottom-color: var(--gx-beam);
}

.page-faq .faq-help__note {
  margin: 16px 0 0;
  color: var(--gx-mist);
  font-size: var(--gx-fs-14);
  line-height: 1.7;
}

.page-faq .faq-help__media {
  margin: 0;
  border: var(--faq-edge) solid var(--gx-rail);
  background: var(--gx-void);
  overflow: hidden;
}

.page-faq .faq-help__media img {
  display: block;
  width: 100%;
  height: auto;
  aspect-ratio: 900 / 450;
  object-fit: cover;
}

/* --- 断点 --- */
@media (min-width: 640px) {
  .page-faq .faq-help__row {
    grid-template-columns: 100px minmax(0, 1fr);
    align-items: baseline;
    gap: 16px;
  }
}

@media (min-width: 760px) {
  .page-faq .faq-howto {
    padding: 28px 26px 30px;
  }

  .page-faq .faq-howto__list {
    grid-template-columns: repeat(3, minmax(0, 1fr));
    gap: 26px;
  }

  .page-faq .faq-mainland,
  .page-faq .faq-help,
  .page-faq .faq-sync {
    padding-left: 30px;
    padding-right: 30px;
  }
}

@media (min-width: 900px) {
  .page-faq .faq-hero {
    grid-template-columns: minmax(0, 1fr) minmax(0, 1.05fr);
    align-items: center;
    gap: 44px;
    padding: 54px 0 50px;
  }

  .page-faq .faq-hero__title {
    font-size: var(--gx-fs-72);
  }

  .page-faq .faq-group {
    grid-template-columns: 200px minmax(0, 1fr);
    gap: 36px;
    align-items: start;
    padding: 38px 0 34px;
  }

  .page-faq .faq-group__head {
    flex-direction: column;
    gap: 8px;
    position: sticky;
    top: 110px;
  }

  .page-faq .faq-help {
    grid-template-columns: minmax(0, 1.15fr) minmax(0, .85fr);
    align-items: center;
    gap: 38px;
    padding: 38px 34px;
  }
}

@media (prefers-reduced-motion: reduce) {
  .page-faq .faq-item,
  .page-faq .faq-item__mark,
  .page-faq .faq-item__num,
  .page-faq .faq-hub__link {
    transition: opacity 120ms linear;
  }

  .page-faq .faq-item:hover {
    transform: none;
    box-shadow: none;
  }
}