.page-faq {
  --faq-cut: 18px;
  --faq-card-bg: #ffffff;
  background: var(--tt-cream);
  color: var(--tt-stone);
  font-family: var(--tt-font-body);
  overflow-x: hidden;
}

/* ---------- 首屏 ---------- */

.page-faq .faq-hero {
  position: relative;
  padding: 26px 0 48px;
  color: var(--tt-cream);
  background:
    radial-gradient(120% 80% at 86% 4%, rgba(37, 224, 208, .24), transparent 58%),
    radial-gradient(90% 70% at 2% 100%, rgba(242, 180, 65, .16), transparent 62%),
    linear-gradient(158deg, #1B1330 0%, #291A4C 50%, #4B2E83 100%);
  overflow: hidden;
}

.page-faq .faq-hero::after {
  content: "";
  position: absolute;
  inset: 0;
  background-image: radial-gradient(rgba(246, 241, 231, .42) 1px, transparent 1.3px);
  background-size: 44px 44px;
  opacity: .2;
  pointer-events: none;
  -webkit-mask-image: radial-gradient(120% 100% at 50% 0%, #000 18%, transparent 76%);
  mask-image: radial-gradient(120% 100% at 50% 0%, #000 18%, transparent 76%);
}

.page-faq .faq-hero .tt-shell {
  position: relative;
  z-index: 1;
}

.page-faq .tt-crumbs {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  gap: 8px;
  font-size: 13px;
  letter-spacing: .04em;
  color: var(--tt-silver);
}

.page-faq .tt-crumbs a {
  color: var(--tt-silver);
  text-decoration: none;
  border-bottom: 1px dashed rgba(201, 203, 218, .42);
  transition: color .2s var(--tt-ease);
}

.page-faq .tt-crumbs a:hover,
.page-faq .tt-crumbs a:focus-visible {
  color: var(--tt-neon);
}

.page-faq .faq-hero__grid {
  display: grid;
  gap: 28px;
  margin-top: 22px;
}

@media (min-width: 920px) {
  .page-faq .faq-hero__grid {
    grid-template-columns: minmax(0, 1.1fr) minmax(0, .9fr);
    align-items: start;
    gap: 44px;
  }
}

.page-faq .faq-hero h1 {
  margin: 14px 0 16px;
  font-family: var(--tt-font-display);
  font-size: clamp(29px, 6.4vw, 52px);
  font-weight: 900;
  line-height: 1.14;
  color: #fff;
  text-shadow: 0 0 26px rgba(37, 224, 208, .32);
}

.page-faq .faq-hero__lede {
  max-width: 44ch;
  margin: 0 0 22px;
  font-size: 16.5px;
  line-height: 1.85;
  color: rgba(246, 241, 231, .86);
}

.page-faq .faq-hero__acts {
  display: flex;
  flex-wrap: wrap;
  gap: 12px;
}

/* ---------- 首屏跳转面板 ---------- */

.page-faq .faq-jump-panel {
  padding: 18px 20px 14px;
  border: 1px solid rgba(37, 224, 208, .3);
  border-radius: 4px 22px 4px 22px;
  background: rgba(246, 241, 231, .07);
  box-shadow: inset 0 0 0 1px rgba(246, 241, 231, .04);
}

.page-faq .faq-jump-panel__title {
  margin: 0 0 10px;
  font-family: var(--tt-font-mono);
  font-size: 12px;
  letter-spacing: .14em;
  color: var(--tt-neon);
}

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

.page-faq .faq-jump a {
  display: flex;
  align-items: center;
  gap: 12px;
  padding: 11px 6px;
  font-size: 15px;
  color: var(--tt-cream);
  text-decoration: none;
  border-bottom: 1px dashed rgba(201, 203, 218, .22);
  transition: color .2s var(--tt-ease), padding-left .24s var(--tt-ease);
}

.page-faq .faq-jump li:last-child a {
  border-bottom: 0;
}

.page-faq .faq-jump a::before {
  content: attr(data-no);
  font-family: var(--tt-font-mono);
  font-size: 12px;
  letter-spacing: .1em;
  color: var(--tt-neon);
}

.page-faq .faq-jump a:hover,
.page-faq .faq-jump a:focus-visible {
  color: var(--tt-neon);
  padding-left: 14px;
}

/* ---------- 通用区块与标题 ---------- */

.page-faq .faq-section {
  padding: 50px 0;
  scroll-margin-top: 96px;
}

@media (min-width: 900px) {
  .page-faq .faq-section {
    padding: 74px 0;
  }
}

.page-faq .faq-head {
  max-width: 720px;
}

.page-faq .faq-head h2 {
  margin: 0 0 12px;
  font-family: var(--tt-font-display);
  font-size: clamp(23px, 4.2vw, 37px);
  font-weight: 900;
  line-height: 1.22;
  color: var(--tt-stone);
}

.page-faq .faq-head__text {
  margin: 0;
  font-size: 16.5px;
  line-height: 1.85;
  color: rgba(58, 58, 69, .82);
}

.page-faq .faq-pin {
  display: inline-block;
  margin: 0 0 12px;
  padding: 4px 10px;
  font-family: var(--tt-font-mono);
  font-size: 12px;
  letter-spacing: .1em;
  color: var(--tt-purple);
  background: rgba(75, 46, 131, .09);
  border-left: 3px solid var(--tt-neon);
}

.page-faq .faq-pin--on-dark {
  color: var(--tt-neon);
  background: rgba(37, 224, 208, .12);
  border-left-color: var(--tt-gold);
}

/* ---------- 额度区块 ---------- */

.page-faq .faq-quota-top {
  display: grid;
  gap: 26px;
}

@media (min-width: 960px) {
  .page-faq .faq-quota-top {
    grid-template-columns: minmax(0, 1.4fr) minmax(0, .6fr);
    align-items: start;
    gap: 44px;
  }
}

.page-faq .faq-figure {
  position: relative;
  margin: 0;
}

.page-faq .faq-figure img {
  display: block;
  width: 100%;
  height: auto;
  max-width: 100%;
  border-radius: 4px 22px 4px 22px;
  object-fit: cover;
}

.page-faq .faq-figure:not(.faq-figure--wide) img {
  aspect-ratio: 9 / 11;
}

.page-faq .faq-figure--wide img {
  aspect-ratio: 12 / 7;
}

/* ---------- 分类胶囊 ---------- */

.page-faq .faq-chips {
  display: flex;
  flex-wrap: nowrap;
  gap: 10px;
  margin-top: 24px;
  padding-bottom: 6px;
  overflow-x: auto;
  -webkit-overflow-scrolling: touch;
  scrollbar-width: thin;
}

@media (min-width: 760px) {
  .page-faq .faq-chips {
    flex-wrap: wrap;
    overflow: visible;
    padding-bottom: 0;
  }
}

.page-faq .faq-chips .tt-chip {
  flex: 0 0 auto;
  white-space: nowrap;
  cursor: pointer;
}

.page-faq .faq-chips .tt-chip[aria-pressed="true"] {
  background: var(--tt-purple);
  color: var(--tt-cream);
  border-color: var(--tt-neon);
  box-shadow: 0 0 0 2px rgba(37, 224, 208, .28);
}

/* ---------- 问答卡 ---------- */

.page-faq .faq-deck {
  display: grid;
  gap: 16px;
  margin-top: 24px;
}

@media (min-width: 860px) {
  .page-faq .faq-deck {
    grid-template-columns: repeat(2, minmax(0, 1fr));
    align-items: start;
    gap: 18px 20px;
  }

  .page-faq .faq-deck > .faq-card:nth-child(2n) {
    margin-top: 34px;
  }
}

.page-faq .faq-card {
  position: relative;
  background: var(--faq-card-bg);
  padding: 20px 22px 18px;
  border-left: 3px solid rgba(75, 46, 131, .18);
  clip-path: polygon(0 0, 100% 0, 100% calc(100% - var(--faq-cut)), calc(100% - var(--faq-cut)) 100%, 0 100%);
  filter: drop-shadow(0 14px 20px rgba(27, 19, 48, .1));
  transition: filter .25s var(--tt-ease), transform .25s var(--tt-ease), border-color .25s var(--tt-ease);
}

.page-faq .faq-card[open] {
  border-left-color: var(--tt-neon);
  filter: drop-shadow(0 18px 26px rgba(75, 46, 131, .22));
}

@media (hover: hover) {
  .page-faq .faq-card:hover {
    transform: translateY(-3px);
  }
}

.page-faq .faq-card__q {
  display: flex;
  align-items: flex-start;
  gap: 12px;
  cursor: pointer;
  list-style: none;
  font-family: var(--tt-font-display);
  font-size: 17px;
  font-weight: 800;
  line-height: 1.45;
  color: var(--tt-stone);
}

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

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

.page-faq .faq-card__no {
  flex: 0 0 auto;
  min-width: 38px;
  font-family: var(--tt-font-mono);
  font-variant-numeric: tabular-nums;
  font-size: 28px;
  font-weight: 700;
  line-height: 1;
  color: rgba(75, 46, 131, .16);
  -webkit-text-stroke: 1.2px rgba(75, 46, 131, .45);
  transition: color .2s var(--tt-ease), -webkit-text-stroke-color .2s var(--tt-ease);
}

.page-faq .faq-card[open] .faq-card__no {
  color: rgba(242, 180, 65, .18);
  -webkit-text-stroke-color: var(--tt-gold);
}

.page-faq .faq-card__t {
  flex: 1 1 auto;
  padding-top: 5px;
}

.page-faq .faq-card__sign {
  flex: 0 0 auto;
  position: relative;
  width: 22px;
  height: 22px;
  margin-top: 5px;
  margin-left: auto;
  border: 1px solid rgba(75, 46, 131, .3);
  border-radius: 50%;
  transition: transform .25s var(--tt-ease), border-color .2s var(--tt-ease);
}

.page-faq .faq-card__sign::before,
.page-faq .faq-card__sign::after {
  content: "";
  position: absolute;
  left: 50%;
  top: 50%;
  background: var(--tt-purple);
  transform: translate(-50%, -50%);
}

.page-faq .faq-card__sign::before {
  width: 10px;
  height: 1.5px;
}

.page-faq .faq-card__sign::after {
  width: 1.5px;
  height: 10px;
}

.page-faq .faq-card[open] .faq-card__sign {
  transform: rotate(135deg);
  border-color: var(--tt-gold);
}

.page-faq .faq-card[open] .faq-card__sign::before,
.page-faq .faq-card[open] .faq-card__sign::after {
  background: var(--tt-gold);
}

.page-faq .faq-card__a {
  margin: 12px 0 0;
  padding-top: 12px;
  border-top: 1px dashed rgba(58, 58, 69, .18);
  font-size: 15.5px;
  line-height: 1.85;
  color: rgba(58, 58, 69, .9);
}

/* ---------- 深夜分区 ---------- */

.page-faq .faq-section--night {
  background:
    radial-gradient(90% 70% at 90% 0%, rgba(37, 224, 208, .14), transparent 62%),
    linear-gradient(170deg, #1B1330 0%, #2A1A4E 100%);
  color: var(--tt-cream);
}

.page-faq .faq-section--night .faq-head h2 {
  color: var(--tt-cream);
}

.page-faq .faq-section--night .faq-head__text {
  color: rgba(201, 203, 218, .9);
}

.page-faq .faq-display-grid {
  display: grid;
  gap: 30px;
}

@media (min-width: 980px) {
  .page-faq .faq-display-grid {
    grid-template-columns: minmax(0, 1fr) minmax(0, 1.02fr);
    align-items: start;
    gap: 48px;
  }
}

.page-faq .faq-stack {
  display: grid;
  gap: 14px;
  margin-top: 26px;
}

.page-faq .faq-card--dark {
  background: rgba(246, 241, 231, .06);
  border-left-color: rgba(37, 224, 208, .4);
}

.page-faq .faq-card--dark .faq-card__q {
  color: var(--tt-cream);
}

.page-faq .faq-card--dark .faq-card__no {
  color: rgba(37, 224, 208, .16);
  -webkit-text-stroke-color: rgba(37, 224, 208, .55);
}

.page-faq .faq-card--dark .faq-card__sign {
  border-color: rgba(37, 224, 208, .42);
}

.page-faq .faq-card--dark .faq-card__sign::before,
.page-faq .faq-card--dark .faq-card__sign::after {
  background: var(--tt-neon);
}

.page-faq .faq-card--dark .faq-card__a {
  color: var(--tt-silver);
  border-top-color: rgba(201, 203, 218, .24);
}

.page-faq .faq-card--dark[open] .faq-card__no {
  color: rgba(242, 180, 65, .18);
  -webkit-text-stroke-color: var(--tt-gold);
}

/* ---------- 交错通道（下载 / 账号） ---------- */

.page-faq .faq-lanes {
  display: grid;
  gap: 14px;
  margin-top: 26px;
}

@media (min-width: 900px) {
  .page-faq .faq-lanes {
    grid-template-columns: repeat(12, minmax(0, 1fr));
    gap: 18px 20px;
  }

  .page-faq .faq-lanes > *:nth-child(odd) {
    grid-column: 1 / 9;
  }

  .page-faq .faq-lanes > *:nth-child(even) {
    grid-column: 5 / 13;
  }
}

.page-faq .faq-lane {
  padding: 18px 20px;
  background: #fff;
  border-top: 2px solid rgba(193, 116, 63, .5);
  border-radius: 2px 16px 2px 16px;
  box-shadow: 0 12px 24px -22px rgba(27, 19, 48, .6);
  transition: transform .24s var(--tt-ease), box-shadow .24s var(--tt-ease);
}

@media (hover: hover) {
  .page-faq .faq-lane:hover {
    transform: translateY(-3px);
    box-shadow: 0 20px 30px -24px rgba(27, 19, 48, .72);
  }
}

.page-faq .faq-lane h3 {
  margin: 0 0 8px;
  font-family: var(--tt-font-display);
  font-size: 17px;
  font-weight: 800;
  line-height: 1.4;
  color: var(--tt-stone);
}

.page-faq .faq-lane p {
  margin: 0;
  font-size: 15.5px;
  line-height: 1.82;
  color: rgba(58, 58, 69, .85);
}

.page-faq .faq-lanes--neon .faq-lane {
  border-top-color: rgba(37, 224, 208, .75);
}

.page-faq .faq-section--account {
  background:
    linear-gradient(180deg, rgba(110, 139, 90, .1), transparent 120px),
    var(--tt-cream);
}

/* ---------- 客服区块 ---------- */

.page-faq .faq-section--service {
  background: var(--tt-night);
  color: var(--tt-cream);
}

.page-faq .faq-service {
  display: grid;
  gap: 26px;
  padding: 32px 24px;
  border: 1px solid rgba(37, 224, 208, .24);
  border-radius: 6px 26px 6px 26px;
  background:
    radial-gradient(80% 120% at 100% 0%, rgba(37, 224, 208, .2), transparent 60%),
    linear-gradient(150deg, #1B1330, #3A2266);
}

@media (min-width: 900px) {
  .page-faq .faq-service {
    grid-template-columns: minmax(0, 1.2fr) minmax(0, .8fr);
    gap: 42px;
    align-items: start;
    padding: 44px 42px;
  }
}

.page-faq .faq-service h2 {
  margin: 0 0 14px;
  font-family: var(--tt-font-display);
  font-size: clamp(22px, 4vw, 34px);
  font-weight: 900;
  line-height: 1.24;
  color: #fff;
}

.page-faq .faq-service__text {
  margin: 0 0 16px;
  max-width: 52ch;
  font-size: 16px;
  line-height: 1.88;
  color: rgba(246, 241, 231, .86);
}

.page-faq .faq-service__note {
  margin: 0;
  padding-top: 14px;
  border-top: 1px dashed rgba(201, 203, 218, .28);
  font-size: 14.5px;
  line-height: 1.75;
  color: var(--tt-silver);
}

.page-faq .faq-service__card {
  padding: 20px;
  border: 1px dashed rgba(37, 224, 208, .4);
  border-radius: 4px 18px 4px 18px;
  background: rgba(27, 19, 48, .35);
}

.page-faq .faq-service__k {
  margin: 0 0 6px;
  font-family: var(--tt-font-mono);
  font-size: 12px;
  letter-spacing: .12em;
  color: var(--tt-neon);
}

.page-faq .faq-service__k--gap {
  margin-top: 20px;
  padding-top: 18px;
  border-top: 1px solid rgba(201, 203, 218, .18);
}

.page-faq .faq-service__v {
  margin: 0 0 12px;
  font-family: var(--tt-font-mono);
  font-size: 15px;
  line-height: 1.5;
  color: #fff;
  word-break: break-all;
}

/* ---------- 窄屏收尾 ---------- */

@media (max-width: 420px) {
  .page-faq .faq-card {
    padding: 18px 16px 16px;
  }

  .page-faq .faq-card__no {
    font-size: 24px;
    min-width: 32px;
  }

  .page-faq .faq-card__q {
    font-size: 16px;
  }

  .page-faq .faq-service {
    padding: 26px 18px;
  }
}

@media (prefers-reduced-motion: reduce) {
  .page-faq .faq-card,
  .page-faq .faq-lane,
  .page-faq .faq-jump a,
  .page-faq .faq-card__sign {
    transition: none;
  }

  .page-faq .faq-card:hover,
  .page-faq .faq-lane:hover {
    transform: none;
  }
}