.page-faq {
  --faq-band-login: rgba(222, 234, 248, .62);
  --faq-band-account: rgba(33, 216, 206, .10);
  --faq-band-nav: rgba(108, 75, 255, .08);
  --faq-band-find: rgba(85, 103, 122, .10);
  background: var(--c-frost);
  color: var(--c-navy);
  font-family: var(--font-sans);
  overflow-x: hidden;
}

/* ---------- 首屏 ---------- */
.page-faq .faq-hero {
  position: relative;
  padding: clamp(22px, 4vw, 40px) 0 clamp(44px, 7vw, 88px);
  isolation: isolate;
}

.page-faq .faq-hero::before {
  content: "";
  position: absolute;
  inset: 0;
  z-index: -1;
  background:
    radial-gradient(120% 72% at 90% -12%, rgba(108, 75, 255, .18), transparent 62%),
    radial-gradient(90% 60% at 2% 0%, rgba(33, 216, 206, .20), transparent 64%),
    linear-gradient(180deg, var(--c-mist), var(--c-frost));
  clip-path: polygon(0 0, 100% 0, 100% 84%, 0 100%);
}

.page-faq .faq-hero .breadcrumb {
  margin-bottom: clamp(20px, 4vw, 38px);
}

.page-faq .faq-hero__grid {
  display: grid;
  gap: 18px;
}

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

.page-faq .faq-hero .label-en {
  color: var(--c-glacier);
}

.page-faq .faq-hero__title {
  margin: 12px 0 20px;
  font-size: clamp(34px, 8.4vw, 74px);
  line-height: 1.06;
  font-weight: 900;
  letter-spacing: -.02em;
  max-width: 15ch;
  color: var(--c-navy);
}

.page-faq .faq-hero__lede {
  max-width: 46ch;
  margin: 0;
  font-size: clamp(15px, 2.4vw, 17px);
  line-height: 1.85;
  color: var(--c-slate);
}

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

.page-faq .faq-hero__note {
  display: inline-block;
  writing-mode: vertical-rl;
  font-size: 12px;
  letter-spacing: .34em;
  color: var(--c-slate);
}

/* ---------- 三步流程条 ---------- */
.page-faq .login-path {
  list-style: none;
  margin: clamp(28px, 5vw, 52px) 0 0;
  padding: 0;
  display: grid;
  gap: 12px;
}

.page-faq .login-path__item {
  position: relative;
  min-width: 0;
}

.page-faq .login-path__step {
  display: flex;
  align-items: center;
  gap: 12px;
  min-height: 52px;
  padding: 12px 16px;
  border-radius: var(--r-md);
  border: 1px solid var(--c-line-soft);
  background: rgba(244, 247, 251, .78);
  color: inherit;
  text-decoration: none;
  transition: border-color var(--dur) var(--ease), transform var(--dur) var(--ease);
}

.page-faq .login-path__step:hover,
.page-faq .login-path__step:focus-visible {
  border-color: var(--c-cyan);
  transform: translateY(-2px);
}

.page-faq .login-path__num {
  font-family: var(--font-mono);
  font-size: 12px;
  letter-spacing: .08em;
  color: var(--c-glacier);
  border: 1px solid rgba(78, 155, 224, .45);
  border-radius: 999px;
  padding: 2px 8px;
  flex: none;
}

.page-faq .login-path__label {
  font-size: 15px;
  font-weight: 700;
  line-height: 1.5;
}

/* ---------- 筛选 ---------- */
.page-faq .faq-body {
  padding: 0 0 clamp(48px, 7vw, 88px);
}

.page-faq .faq-filter {
  display: flex;
  flex-wrap: wrap;
  gap: 10px;
  margin: 0 0 clamp(20px, 4vw, 34px);
}

/* ---------- 分组 ---------- */
.page-faq .faq-groups {
  display: grid;
  gap: clamp(18px, 3vw, 28px);
}

.page-faq .faq-group {
  position: relative;
  padding: clamp(20px, 3.6vw, 38px);
  border-radius: var(--r-lg);
  border-left: 4px solid var(--c-glacier);
  background: var(--faq-band-login);
}

.page-faq .faq-group--account {
  border-left-color: var(--c-cyan);
  background: var(--faq-band-account);
}

.page-faq .faq-group--nav {
  border-left-color: var(--c-violet);
  background: var(--faq-band-nav);
}

.page-faq .faq-group--find {
  border-left-color: var(--c-slate);
  background: var(--faq-band-find);
}

.page-faq .faq-group__head {
  display: grid;
  gap: 6px;
  margin-bottom: clamp(12px, 2vw, 18px);
}

.page-faq .faq-group__num {
  font-family: var(--font-mono);
  font-size: 12px;
  letter-spacing: .18em;
  color: var(--c-glacier);
}

.page-faq .faq-group__title {
  margin: 0;
  font-size: clamp(21px, 3.4vw, 31px);
  line-height: 1.24;
  font-weight: 900;
  letter-spacing: -.01em;
  color: var(--c-navy);
}

.page-faq .faq-group__sub {
  margin: 6px 0 0;
  font-size: 14px;
  line-height: 1.7;
  color: var(--c-slate);
}

/* ---------- 问答折叠 ---------- */
.page-faq .qa {
  border-top: 1px solid var(--c-line-soft);
}

.page-faq .qa:last-of-type {
  border-bottom: 1px solid var(--c-line-soft);
}

.page-faq .qa__q {
  position: relative;
  display: block;
  padding: 15px 42px 15px 0;
  cursor: pointer;
  list-style: none;
  font-size: clamp(15px, 2.2vw, 16.5px);
  font-weight: 700;
  line-height: 1.6;
  color: var(--c-navy);
  transition: color var(--dur) var(--ease);
}

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

.page-faq .qa__q:hover,
.page-faq .qa__q:focus-visible {
  color: var(--c-deep-ice);
}

.page-faq .qa__q::after {
  content: "";
  position: absolute;
  right: 8px;
  top: 21px;
  width: 9px;
  height: 9px;
  border-right: 2px solid var(--c-glacier);
  border-bottom: 2px solid var(--c-glacier);
  transform: rotate(45deg);
  transition: transform var(--dur) var(--ease), top var(--dur) var(--ease);
}

.page-faq .qa[open] > .qa__q::after {
  top: 26px;
  transform: rotate(-135deg);
}

.page-faq .qa[open] > .qa__q {
  color: var(--c-deep-ice);
}

.page-faq .qa__a {
  padding: 0 0 20px;
}

.page-faq .qa__lead {
  margin: 0 0 12px;
  padding: 4px 0 4px 15px;
  border-left: 3px solid var(--c-cyan);
  font-size: 15px;
  font-weight: 700;
  line-height: 1.7;
  color: var(--c-deep-ice);
}

.page-faq .steps {
  list-style: none;
  margin: 0;
  padding: 0;
  display: grid;
  gap: 9px;
}

.page-faq .steps__item {
  display: grid;
  grid-template-columns: 32px minmax(0, 1fr);
  gap: 10px;
  align-items: baseline;
}

.page-faq .steps__num {
  font-family: var(--font-mono);
  font-size: 12px;
  letter-spacing: .06em;
  color: var(--c-glacier);
  padding-top: 3px;
}

.page-faq .steps__text {
  font-size: 15px;
  line-height: 1.78;
  color: var(--c-navy);
  word-break: break-word;
}

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

.page-faq .steps__text a:hover,
.page-faq .steps__text a:focus-visible {
  color: var(--c-violet);
}

/* ---------- 配图 ---------- */
.page-faq .faq-figure {
  margin: clamp(18px, 3.4vw, 30px) 0 0;
  border-radius: var(--r-md);
  overflow: hidden;
  border: 1px solid var(--c-line-soft);
  background: linear-gradient(140deg, var(--c-mist), var(--c-frost) 58%, rgba(108, 75, 255, .12));
}

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

.page-faq .faq-figure figcaption {
  padding: 10px 14px;
  border-top: 1px solid var(--c-line-soft);
  font-size: 12.5px;
  letter-spacing: .02em;
  color: var(--c-slate);
}

/* ---------- 转人工 ---------- */
.page-faq .faq-cta {
  position: relative;
  padding: clamp(42px, 7vw, 84px) 0;
  border-radius: var(--r-lg) var(--r-lg) 0 0;
  background:
    radial-gradient(78% 120% at 90% 0%, rgba(108, 75, 255, .34), transparent 62%),
    radial-gradient(60% 90% at 6% 100%, rgba(33, 216, 206, .22), transparent 66%),
    linear-gradient(160deg, var(--c-deep-ice), var(--c-navy));
  color: var(--c-frost);
}

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

.page-faq .faq-cta__title {
  margin: 10px 0 16px;
  font-size: clamp(24px, 4.4vw, 42px);
  line-height: 1.2;
  font-weight: 900;
  letter-spacing: -.01em;
  color: var(--c-frost);
  max-width: 20ch;
}

.page-faq .faq-cta__text {
  margin: 0 0 26px;
  max-width: 56ch;
  font-size: 15.5px;
  line-height: 1.85;
  color: rgba(244, 247, 251, .82);
}

.page-faq .faq-cta__list {
  list-style: none;
  margin: 0 0 28px;
  padding: 0;
  display: grid;
  gap: 10px;
}

.page-faq .faq-cta__item {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  gap: 10px;
  padding: 12px 16px;
  border: 1px solid var(--c-frost-line);
  border-radius: var(--r-md);
  background: rgba(244, 247, 251, .06);
}

.page-faq .faq-cta__key {
  font-size: 12px;
  letter-spacing: .18em;
  color: rgba(244, 247, 251, .62);
  flex: none;
}

.page-faq .faq-cta__val {
  font-size: 15px;
  font-weight: 700;
  color: var(--c-frost);
  min-width: 0;
  word-break: break-all;
}

.page-faq .faq-cta__val--mono {
  font-family: var(--font-mono);
  letter-spacing: .04em;
}

.page-faq .faq-cta__btn {
  display: inline-flex;
  align-items: center;
}

/* ---------- 响应式 ---------- */
@media (min-width: 720px) {
  .page-faq .faq-group__head {
    grid-template-columns: auto minmax(0, 1fr);
    gap: 18px;
    align-items: start;
  }

  .page-faq .login-path {
    grid-template-columns: repeat(3, minmax(0, 1fr));
    gap: 28px;
  }

  .page-faq .login-path__item::after {
    content: "";
    position: absolute;
    top: 50%;
    left: calc(100% + 5px);
    width: 18px;
    border-top: 2px dashed rgba(78, 155, 224, .55);
  }

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

  .page-faq .faq-cta__list {
    grid-template-columns: repeat(2, minmax(0, 1fr));
  }
}

@media (min-width: 900px) {
  .page-faq .faq-hero__grid {
    grid-template-columns: minmax(0, 7fr) minmax(0, 5fr);
    gap: 48px;
    align-items: start;
  }

  .page-faq .faq-hero__aside {
    display: flex;
    justify-content: flex-end;
    padding-top: 34px;
  }

  .page-faq .faq-hero__title {
    max-width: 14ch;
  }

  .page-faq .faq-cta__title {
    max-width: 24ch;
  }
}

@media (min-width: 1160px) {
  .page-faq .faq-group {
    padding: clamp(30px, 3vw, 46px) clamp(30px, 3.4vw, 54px);
  }

  .page-faq .faq-groups {
    gap: 32px;
  }
}

@media (prefers-reduced-motion: reduce) {
  .page-faq .login-path__step,
  .page-faq .qa__q,
  .page-faq .qa__q::after {
    transition: none;
  }

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