.page-faq {
  --faq-gap: clamp(28px, 5vw, 64px);
  background: var(--mist);
  overflow-x: hidden;
}

/* ---------- 面包屑 ---------- */
.page-faq .faq-crumbs-wrap {
  max-width: var(--maxw);
  margin: 0 auto;
  padding: clamp(18px, 3.4vw, 34px) var(--edge) 0;
}

.page-faq .faq-crumbs-wrap .breadcrumb-list {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  gap: 8px;
  list-style: none;
  margin: 0;
  padding: 0;
  font-family: var(--font-mono);
  font-size: 12px;
  letter-spacing: .06em;
  color: var(--graphite);
}

.page-faq .faq-crumbs-wrap .breadcrumb-item + .breadcrumb-item::before {
  content: "/";
  margin-right: 8px;
  color: var(--blue);
}

.page-faq .faq-crumbs-wrap a {
  color: var(--blue);
  text-decoration: none;
  border-bottom: 1px solid transparent;
  transition: border-color .2s var(--ease);
}

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

/* ---------- 首屏 ---------- */
.page-faq .faq-hero {
  position: relative;
  padding: clamp(20px, 3.6vw, 40px) 0 clamp(40px, 7vw, 84px);
  background:
    radial-gradient(760px 360px at 92% -18%, rgba(53, 242, 224, .22), transparent 62%),
    linear-gradient(180deg, var(--white) 0%, var(--mist) 100%);
}

.page-faq .faq-hero::after {
  content: "";
  position: absolute;
  right: -120px;
  bottom: -60px;
  width: 320px;
  height: 320px;
  background: repeating-linear-gradient(45deg, rgba(27, 77, 228, .12) 0 3px, transparent 3px 12px);
  transform: skewX(-12deg);
  pointer-events: none;
}

.page-faq .faq-hero__grid {
  display: grid;
  grid-template-columns: 1fr;
  gap: var(--faq-gap);
  align-items: center;
}

.page-faq .faq-hero__copy {
  position: relative;
  z-index: 1;
}

.page-faq .faq-hero__copy .eyebrow {
  font-family: var(--font-mono);
  font-size: 12px;
  letter-spacing: .2em;
  color: var(--blue);
  text-transform: uppercase;
  margin: 0 0 14px;
  padding-left: 14px;
  position: relative;
}

.page-faq .faq-hero__copy .eyebrow::before {
  content: "";
  position: absolute;
  left: 0;
  top: 50%;
  transform: translateY(-50%);
  width: 6px;
  height: 16px;
  background: var(--orange);
}

.page-faq .faq-hero h1 {
  font-size: clamp(30px, 6.4vw, 58px);
  line-height: 1.1;
  letter-spacing: -0.02em;
  font-weight: 900;
  color: var(--ink);
  margin: 0 0 20px;
  max-width: 18ch;
}

.page-faq .faq-hero .lede {
  max-width: 58ch;
  font-size: clamp(15px, 1.5vw, 17px);
  line-height: 1.82;
  color: var(--graphite);
  margin: 0;
}

.page-faq .faq-hero__meta {
  display: flex;
  flex-wrap: wrap;
  gap: 10px;
  list-style: none;
  margin: 26px 0 0;
  padding: 0;
}

.page-faq .faq-hero__meta li {
  display: inline-flex;
  align-items: baseline;
  gap: 6px;
  padding: 8px 14px;
  border: var(--line);
  background: var(--white);
  box-shadow: var(--hard-sm);
  font-size: 13px;
  color: var(--ink);
}

.page-faq .faq-hero__meta-num {
  font-family: var(--font-mono);
  font-size: 20px;
  font-weight: 700;
  color: var(--orange);
  line-height: 1;
}

.page-faq .faq-hero__media {
  position: relative;
  z-index: 1;
  margin: 0;
  border: var(--line);
  box-shadow: var(--hard);
  background: var(--ink);
  overflow: hidden;
  aspect-ratio: 2 / 1;
}

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

/* ---------- 主题直达 ---------- */
.page-faq .faq-index {
  background: var(--ink);
  border-top: var(--line);
  border-bottom: var(--line);
  padding: clamp(26px, 4.6vw, 46px) 0;
}

.page-faq .faq-index__title {
  font-family: var(--font-mono);
  font-size: 12px;
  letter-spacing: .22em;
  color: var(--cyan);
  text-transform: uppercase;
  margin: 0 0 18px;
}

.page-faq .faq-index__list {
  display: grid;
  grid-template-columns: 1fr;
  gap: 10px;
  list-style: none;
  margin: 0;
  padding: 0;
}

.page-faq .faq-index__link {
  display: flex;
  align-items: baseline;
  gap: 12px;
  padding: 14px 16px;
  background: var(--ink-2);
  border: 2px solid rgba(53, 242, 224, .35);
  color: var(--white);
  text-decoration: none;
  font-size: 15px;
  transition: transform .24s var(--ease), border-color .24s var(--ease), background .24s var(--ease);
}

.page-faq .faq-index__link:hover,
.page-faq .faq-index__link:focus-visible {
  background: var(--blue);
  border-color: var(--cyan);
  transform: translate(-3px, -3px);
}

.page-faq .faq-index__num {
  font-family: var(--font-mono);
  font-size: 12px;
  letter-spacing: .1em;
  color: var(--cyan);
}

/* ---------- 分组 ---------- */
.page-faq .faq-group {
  padding: clamp(46px, 7.5vw, 96px) 0;
  position: relative;
}

.page-faq .faq-group--rank,
.page-faq .faq-group--videos {
  background: var(--white);
}

.page-faq .faq-group--cols,
.page-faq .faq-group--account {
  background: var(--mist);
}

.page-faq .faq-group::before {
  content: "";
  position: absolute;
  top: 0;
  left: 0;
  width: clamp(70px, 12vw, 180px);
  height: 8px;
  background: var(--blue);
}

.page-faq .faq-group--cols::before,
.page-faq .faq-group--account::before {
  background: var(--orange);
}

.page-faq .faq-group__head {
  display: flex;
  align-items: flex-start;
  gap: clamp(14px, 3vw, 30px);
  margin-bottom: clamp(22px, 3.6vw, 38px);
}

.page-faq .faq-group__num {
  flex: 0 0 auto;
  font-family: var(--font-mono);
  font-size: clamp(36px, 6.6vw, 66px);
  font-weight: 700;
  line-height: .86;
  letter-spacing: -.04em;
  color: var(--blue);
  text-shadow: 4px 4px 0 rgba(10, 22, 51, .14);
}

.page-faq .faq-group--cols .faq-group__num,
.page-faq .faq-group--account .faq-group__num {
  color: var(--orange);
}

.page-faq .faq-group__head-text {
  padding-top: 4px;
}

.page-faq .faq-group__title {
  font-size: clamp(21px, 3.2vw, 32px);
  font-weight: 900;
  letter-spacing: -.01em;
  line-height: 1.22;
  color: var(--ink);
  margin: 0 0 8px;
}

.page-faq .faq-group__hint {
  font-size: 14px;
  line-height: 1.6;
  color: var(--graphite);
  margin: 0;
}

/* 60 秒刻度条 */
.page-faq .faq-tick {
  display: flex;
  align-items: center;
  gap: 14px;
  flex-wrap: wrap;
  margin: 0 0 24px;
}

.page-faq .faq-tick__line {
  flex: 1 1 140px;
  height: 10px;
  border: 2px solid var(--ink);
  background: repeating-linear-gradient(90deg, var(--blue) 0 9px, var(--white) 9px 13px);
  min-width: 110px;
}

.page-faq .faq-tick__label {
  font-family: var(--font-mono);
  font-size: 12px;
  letter-spacing: .12em;
  color: var(--ink);
  white-space: nowrap;
}

/* ---------- 手风琴 ---------- */
.page-faq .faq-list {
  display: grid;
  gap: 12px;
}

.page-faq .faq-item {
  border: 2px solid var(--ink);
  background: var(--white);
  box-shadow: var(--hard-sm);
  transition: box-shadow .26s var(--ease), transform .26s var(--ease);
}

.page-faq .faq-item[open] {
  box-shadow: var(--hard);
}

.page-faq .faq-q {
  position: relative;
  display: flex;
  align-items: flex-start;
  gap: 14px;
  list-style: none;
  cursor: pointer;
  padding: clamp(14px, 2.1vw, 20px) clamp(16px, 2.6vw, 26px);
  font-size: clamp(15px, 1.6vw, 17px);
  font-weight: 700;
  line-height: 1.55;
  color: var(--ink);
}

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

.page-faq .faq-q::before {
  content: "";
  position: absolute;
  left: 0;
  top: 0;
  bottom: 0;
  width: 4px;
  background: var(--cyan);
  transform: scaleY(0);
  transform-origin: top center;
  transition: transform .3s var(--ease);
}

.page-faq .faq-item[open] .faq-q::before {
  transform: scaleY(1);
}

.page-faq .faq-q::after {
  content: "+";
  margin-left: auto;
  flex: 0 0 auto;
  font-family: var(--font-mono);
  font-size: 19px;
  font-weight: 400;
  line-height: 1.4;
  color: var(--blue);
  transition: color .26s var(--ease);
}

.page-faq .faq-item[open] .faq-q::after {
  content: "\2212";
  color: var(--orange);
}

.page-faq .faq-q:focus-visible {
  outline: 3px solid var(--blue);
  outline-offset: -3px;
}

.page-faq .faq-a {
  margin: 0 0 0 4px;
  padding: 14px clamp(16px, 2.6vw, 26px) clamp(16px, 2.3vw, 22px);
  border-top: 1px solid rgba(10, 22, 51, .16);
  font-size: 15px;
  line-height: 1.8;
  color: var(--graphite);
}

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

.page-faq .faq-a a {
  color: var(--blue);
  text-decoration: underline;
  text-underline-offset: 3px;
}

/* ---------- 账号分组：额度环 + 示意图 ---------- */
.page-faq .faq-account__grid {
  display: grid;
  grid-template-columns: 1fr;
  gap: 22px;
  margin-bottom: 26px;
}

.page-faq .faq-quota {
  display: flex;
  align-items: center;
  gap: 20px;
  padding: 22px;
  border: 2px solid var(--ink);
  background: var(--ink);
  box-shadow: var(--hard);
}

.page-faq .faq-quota__ring {
  position: relative;
  flex: 0 0 auto;
  width: 96px;
  height: 96px;
  border-radius: 50%;
  border: 2px solid var(--cyan);
  background: conic-gradient(from -90deg, var(--cyan) 0 270deg, rgba(53, 242, 224, .12) 270deg 360deg);
  display: grid;
  place-items: center;
}

.page-faq .faq-quota__ring::after {
  content: "";
  position: absolute;
  inset: 11px;
  border-radius: 50%;
  background: var(--ink);
  border: 1px solid rgba(53, 242, 224, .3);
}

.page-faq .faq-quota__num {
  position: relative;
  z-index: 1;
  display: flex;
  align-items: baseline;
  gap: 2px;
  font-family: var(--font-mono);
  font-size: 26px;
  font-weight: 700;
  line-height: 1;
  color: var(--amber);
}

.page-faq .faq-quota__num small {
  font-family: var(--font-sans);
  font-size: 11px;
  font-weight: 400;
  color: var(--cyan);
}

.page-faq .faq-quota__text {
  margin: 0;
  font-size: 15px;
  line-height: 1.75;
  color: rgba(255, 255, 255, .78);
}

.page-faq .faq-quota__text strong {
  display: block;
  margin-bottom: 6px;
  font-size: 17px;
  font-weight: 700;
  color: var(--cyan);
}

.page-faq .faq-shot {
  margin: 0;
  border: 2px solid var(--ink);
  box-shadow: var(--hard);
  background: var(--white);
  overflow: hidden;
  aspect-ratio: 1 / 1;
}

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

/* ---------- 结尾 ---------- */
.page-faq .faq-outro {
  padding: clamp(46px, 7.5vw, 94px) 0;
  background: linear-gradient(115deg, var(--ink) 0%, var(--ink-2) 100%);
  border-top: 6px solid var(--blue);
  position: relative;
  overflow: hidden;
}

.page-faq .faq-outro::before {
  content: "";
  position: absolute;
  right: -80px;
  top: -60px;
  width: 240px;
  height: 240px;
  border: 2px solid rgba(53, 242, 224, .28);
  transform: rotate(18deg);
  pointer-events: none;
}

.page-faq .faq-outro__inner {
  position: relative;
  z-index: 1;
}

.page-faq .faq-outro__eyebrow {
  font-family: var(--font-mono);
  font-size: 12px;
  letter-spacing: .22em;
  color: var(--cyan);
  text-transform: uppercase;
  margin: 0 0 14px;
}

.page-faq .faq-outro__title {
  font-size: clamp(23px, 4vw, 40px);
  font-weight: 900;
  line-height: 1.2;
  letter-spacing: -.01em;
  color: var(--white);
  margin: 0 0 16px;
  max-width: 20ch;
}

.page-faq .faq-outro__text {
  max-width: 62ch;
  font-size: 16px;
  line-height: 1.82;
  color: rgba(255, 255, 255, .76);
  margin: 0 0 28px;
}

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

.page-faq .faq-outro__actions .btn {
  box-shadow: 5px 5px 0 rgba(53, 242, 224, .42);
}

.page-faq .faq-outro__actions .btn--primary {
  background: var(--orange);
  border-color: var(--white);
  color: var(--white);
}

.page-faq .faq-outro__actions .btn--outline {
  background: transparent;
  border-color: var(--white);
  color: var(--white);
}

/* ---------- 响应式 ---------- */
@media (min-width: 640px) {
  .page-faq .faq-index__list {
    grid-template-columns: repeat(auto-fit, minmax(200px, 1fr));
  }

  .page-faq .faq-account__grid {
    grid-template-columns: minmax(0, 1fr) minmax(0, 1fr);
    align-items: start;
  }
}

@media (min-width: 900px) {
  .page-faq .faq-hero__grid {
    grid-template-columns: minmax(0, 1.06fr) minmax(0, .94fr);
  }

  .page-faq .faq-hero h1 {
    max-width: 17ch;
  }

  .page-faq .faq-hero__media {
    transform: translate(-10px, 0) rotate(-1.1deg);
  }

  .page-faq .faq-account__grid {
    grid-template-columns: minmax(0, 1.15fr) minmax(0, .85fr);
    align-items: stretch;
  }
}

@media (min-width: 1100px) {
  .page-faq .faq-list {
    grid-template-columns: repeat(2, minmax(0, 1fr));
    align-items: start;
  }

  .page-faq .faq-list .faq-item:first-child {
    grid-column: 1 / -1;
  }
}

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

  .page-faq .faq-hero__media {
    transform: none;
  }
}