.page-faq{
  --faq-rule: rgba(138,155,166,.22);
  position: relative;
  box-sizing: border-box;
  overflow-x: clip;
  padding: calc(var(--header-h) + 34px) clamp(18px, 4vw, 56px) 96px;
  background:
    radial-gradient(120% 70% at 6% -6%, rgba(21,106,138,.45), transparent 58%),
    radial-gradient(70% 50% at 102% 4%, rgba(255,106,43,.10), transparent 62%),
    var(--night);
  color: var(--cool);
  font-family: var(--font-sans);
  font-size: var(--step-16);
  line-height: 1.75;
}

.page-faq .faq-wrap{
  position: relative;
  width: 100%;
  max-width: 1240px;
  margin-inline: auto;
}

/* ---------- 面包屑 ---------- */
.page-faq .faq-crumbs{
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  gap: 10px;
  margin-bottom: 28px;
  font-family: var(--font-mono);
  font-size: var(--step-12);
  letter-spacing: .06em;
  color: var(--cool-mid);
}
.page-faq .faq-crumbs a{
  color: var(--cool-mid);
  text-decoration: none;
  border-bottom: 1px solid transparent;
  transition: color .2s ease, border-color .2s ease;
}
.page-faq .faq-crumbs a:hover{
  color: var(--signal);
  border-bottom-color: rgba(79,209,224,.5);
}
.page-faq .faq-crumbs__sep{
  color: var(--ridge);
}

/* ---------- 首屏 ---------- */
.page-faq .faq-hero{
  display: grid;
  gap: 34px;
}
.page-faq .faq-eyebrow{
  margin: 0 0 16px;
  font-family: var(--font-mono);
  font-size: var(--step-12);
  letter-spacing: .22em;
  color: var(--lime);
}
.page-faq .faq-title{
  margin: 0 0 22px;
  max-width: 16ch;
  font-family: var(--font-serif);
  font-weight: 700;
  font-size: clamp(2.05rem, 5.4vw, 3.9rem);
  line-height: 1.14;
  letter-spacing: -.012em;
  color: var(--cool);
}
.page-faq .faq-title::after{
  content: "";
  display: block;
  width: 72px;
  height: 3px;
  margin-top: 22px;
  background: linear-gradient(90deg, var(--amber), rgba(255,106,43,0));
}
.page-faq .faq-lead{
  margin: 0;
  max-width: 60ch;
  font-size: var(--step-16);
  line-height: 1.85;
  color: var(--cool);
  opacity: .8;
}

.page-faq .faq-hero__side{
  padding-top: 18px;
  border-top: 1px solid var(--faq-rule);
}
.page-faq .faq-side__title{
  margin: 0 0 14px;
  font-family: var(--font-mono);
  font-size: var(--step-12);
  letter-spacing: .18em;
  color: var(--cool-mid);
}
.page-faq .faq-index{
  display: flex;
  flex-wrap: wrap;
  gap: 8px;
  margin: 0 0 24px;
  padding: 0;
  list-style: none;
}
.page-faq .faq-index__link{
  display: inline-flex;
  align-items: center;
  gap: 8px;
  padding: 7px 12px;
  border: 1px solid rgba(21,106,138,.65);
  border-radius: var(--radius);
  background: rgba(7,26,36,.5);
  color: var(--cool);
  font-family: var(--font-narrow);
  font-size: var(--step-14);
  text-decoration: none;
  transition: border-color .2s ease, color .2s ease, background-color .2s ease;
}
.page-faq .faq-index__link:hover{
  border-color: var(--signal);
  color: var(--signal);
}
.page-faq .faq-index__link[aria-current="true"]{
  border-color: var(--amber);
  color: var(--amber);
  background: rgba(255,106,43,.09);
}
.page-faq .faq-index__dot{
  flex: none;
  width: 6px;
  height: 6px;
  border-radius: 50%;
  background: var(--signal);
}
.page-faq .faq-index__dot--lime{ background: var(--lime); }
.page-faq .faq-index__dot--amber{ background: var(--amber); }
.page-faq .faq-index__dot--dim{ background: var(--cool-mid); }

.page-faq .faq-meta{
  display: grid;
  gap: 6px;
  font-family: var(--font-mono);
  font-size: var(--step-12);
  line-height: 1.8;
  letter-spacing: .02em;
  color: var(--cool-mid);
}
.page-faq .faq-meta p{ margin: 0; }
.page-faq .faq-meta strong{
  color: var(--cool);
  font-weight: 600;
}

/* ---------- 分组通用 ---------- */
.page-faq .faq-group{
  --faq-accent: var(--signal);
  position: relative;
  margin-top: 76px;
}
.page-faq .faq-group--self{ --faq-accent: var(--lime); }
.page-faq .faq-group--update{ --faq-accent: var(--amber); }
.page-faq .faq-group--cite{ --faq-accent: var(--cool-mid); }

.page-faq .faq-group__head{
  position: relative;
  display: flex;
  align-items: center;
  gap: 12px;
  padding-bottom: 12px;
  border-bottom: 1px solid var(--faq-rule);
}
.page-faq .faq-group__head::after{
  content: "";
  position: absolute;
  left: 0;
  bottom: -1px;
  width: 56px;
  height: 2px;
  background: var(--faq-accent);
}
.page-faq .faq-group__dot{
  flex: none;
  width: 9px;
  height: 9px;
  border-radius: 50%;
  background: var(--faq-accent);
}
.page-faq .faq-group__title{
  margin: 0;
  font-family: var(--font-narrow);
  font-size: var(--step-20);
  font-weight: 700;
  letter-spacing: .02em;
  color: var(--cool);
}
.page-faq .faq-group__count{
  margin-left: auto;
  font-family: var(--font-mono);
  font-size: var(--step-12);
  letter-spacing: .06em;
  color: var(--cool-mid);
}
.page-faq .faq-group__intro{
  margin: 18px 0 4px;
  max-width: 68ch;
  font-size: var(--step-14);
  line-height: 1.85;
  color: var(--cool);
  opacity: .78;
}

/* ---------- 自查三步流程条 ---------- */
.page-faq .faq-steps-bar{
  display: grid;
  gap: 1px;
  margin: 24px 0 0;
  padding: 0;
  list-style: none;
  background: var(--faq-rule);
  border: 1px solid var(--faq-rule);
}
.page-faq .faq-step{
  position: relative;
  padding: 24px 20px 26px;
  background: linear-gradient(165deg, rgba(14,58,79,.88), rgba(7,26,36,.88));
}
.page-faq .faq-step::before{
  content: "";
  position: absolute;
  inset: 0 0 auto 0;
  height: 2px;
  background: var(--signal);
}
.page-faq .faq-step:nth-child(2)::before{ background: var(--amber); }
.page-faq .faq-step:nth-child(3)::before{ background: var(--lime); }
.page-faq .faq-step__no{
  display: block;
  margin-bottom: 14px;
  font-family: var(--font-mono);
  font-size: 40px;
  line-height: 1;
  color: rgba(230,238,243,.2);
}
.page-faq .faq-step__title{
  margin: 0 0 8px;
  font-family: var(--font-narrow);
  font-size: var(--step-16);
  font-weight: 700;
  line-height: 1.5;
  color: var(--cool);
}
.page-faq .faq-step__text{
  margin: 0;
  font-size: var(--step-14);
  line-height: 1.85;
  color: var(--cool);
  opacity: .78;
}

/* ---------- 插图 ---------- */
.page-faq .faq-figure{
  margin: 28px 0 0;
  padding: 0;
}
.page-faq .faq-figure img{
  display: block;
  width: 100%;
  height: auto;
  max-width: 100%;
  object-fit: cover;
  border: 1px solid rgba(21,106,138,.5);
  border-radius: var(--radius-organic);
  background: var(--deep);
}
.page-faq .faq-figure figcaption{
  margin-top: 10px;
  font-family: var(--font-mono);
  font-size: var(--step-12);
  line-height: 1.8;
  letter-spacing: .03em;
  color: var(--cool-mid);
}

/* ---------- 问答条目 ---------- */
.page-faq .faq-item{
  border-bottom: 1px solid var(--faq-rule);
}
.page-faq .faq-item__q{
  display: flex;
  align-items: flex-start;
  gap: 12px;
  padding: 16px 2px;
  list-style: none;
  cursor: pointer;
  font-family: var(--font-narrow);
  font-size: var(--step-16);
  font-weight: 600;
  line-height: 1.65;
  color: var(--cool);
  transition: color .2s ease;
}
.page-faq .faq-item__q::-webkit-details-marker{ display: none; }
.page-faq .faq-item__q:hover{ color: var(--signal); }
.page-faq .faq-item__q:focus-visible{
  outline: 1px solid var(--signal);
  outline-offset: 2px;
}
.page-faq .faq-item__tag{
  flex: none;
  margin-top: 5px;
  padding: 1px 6px;
  border: 1px solid currentColor;
  border-radius: var(--radius);
  font-family: var(--font-mono);
  font-size: var(--step-12);
  line-height: 1.5;
  letter-spacing: .08em;
  color: var(--faq-accent);
}
.page-faq .faq-item__qtext{
  min-width: 0;
  overflow-wrap: anywhere;
}
.page-faq .faq-item__chev{
  flex: none;
  width: 9px;
  height: 9px;
  margin-left: auto;
  margin-top: 9px;
  border-right: 1.5px solid var(--cool-mid);
  border-bottom: 1.5px solid var(--cool-mid);
  transform: rotate(45deg);
  transition: transform .24s ease, border-color .24s ease;
}
.page-faq .faq-item[open] .faq-item__chev{
  transform: rotate(225deg);
  border-color: var(--amber);
}
.page-faq .faq-item__body{
  max-width: 78ch;
  padding: 2px 2px 24px;
}
.page-faq .faq-verdict{
  margin: 0 0 14px;
  padding-left: 14px;
  border-left: 2px solid var(--amber);
  font-size: var(--step-16);
  font-weight: 600;
  line-height: 1.7;
  color: var(--cool);
}
.page-faq .faq-steps{
  display: grid;
  gap: 8px;
  margin: 0 0 14px;
  padding: 0;
  list-style: none;
  counter-reset: fstep;
}
.page-faq .faq-steps li{
  position: relative;
  padding-left: 28px;
  counter-increment: fstep;
  font-size: var(--step-14);
  line-height: 1.85;
  color: var(--cool);
  opacity: .82;
}
.page-faq .faq-steps li::before{
  content: counter(fstep, decimal-leading-zero);
  position: absolute;
  left: 0;
  top: .2em;
  font-family: var(--font-mono);
  font-size: var(--step-12);
  letter-spacing: .04em;
  color: var(--cool-mid);
}
.page-faq .faq-ref{
  margin: 0;
  font-family: var(--font-mono);
  font-size: var(--step-12);
  line-height: 1.8;
  letter-spacing: .02em;
  color: var(--cool-mid);
}
.page-faq .faq-ref a{
  color: var(--signal);
  text-decoration: none;
  border-bottom: 1px solid rgba(79,209,224,.4);
  transition: color .2s ease, border-color .2s ease;
}
.page-faq .faq-ref a:hover{
  color: var(--amber);
  border-bottom-color: var(--amber);
}

/* ---------- 差异对照 ---------- */
.page-faq .faq-compare{
  margin-top: 28px;
  border-top: 1px solid var(--faq-rule);
}
.page-faq .faq-compare__row{
  display: grid;
  gap: 6px;
  padding: 14px 0;
  border-bottom: 1px solid var(--faq-rule);
}
.page-faq .faq-compare__q,
.page-faq .faq-compare__a{
  position: relative;
  margin: 0;
  padding-left: 18px;
  font-size: var(--step-14);
  line-height: 1.8;
}
.page-faq .faq-compare__q{ color: var(--cool); }
.page-faq .faq-compare__a{
  color: var(--cool);
  opacity: .76;
}
.page-faq .faq-compare__q::before,
.page-faq .faq-compare__a::before{
  content: "";
  position: absolute;
  left: 0;
  top: .8em;
  width: 8px;
  height: 2px;
}
.page-faq .faq-compare__q::before{ background: var(--spot); }
.page-faq .faq-compare__a::before{ background: var(--lime); }

/* ---------- 联系区 ---------- */
.page-faq .faq-contact{
  margin-top: 76px;
  padding: clamp(24px, 4vw, 40px);
  border: 1px solid rgba(21,106,138,.55);
  border-radius: var(--radius-organic);
  background: linear-gradient(150deg, rgba(14,58,79,.92), rgba(7,26,36,.62));
}
.page-faq .faq-contact__title{
  margin: 0 0 14px;
  font-family: var(--font-serif);
  font-size: clamp(1.4rem, 3vw, 2rem);
  line-height: 1.35;
  color: var(--cool);
}
.page-faq .faq-contact__text{
  margin: 0 0 24px;
  max-width: 62ch;
  font-size: var(--step-14);
  line-height: 1.85;
  color: var(--cool);
  opacity: .8;
}
.page-faq .faq-contact__list{
  display: grid;
  gap: 16px;
  margin: 0 0 22px;
  padding: 0;
  list-style: none;
}
.page-faq .faq-contact__label{
  display: block;
  margin-bottom: 6px;
  font-family: var(--font-mono);
  font-size: var(--step-12);
  letter-spacing: .16em;
  color: var(--cool-mid);
}
.page-faq .faq-contact__value{
  display: block;
  font-family: var(--font-mono);
  font-size: var(--step-16);
  line-height: 1.6;
  color: var(--amber);
  overflow-wrap: anywhere;
}
.page-faq .faq-contact__value--plain{
  font-family: var(--font-sans);
  color: var(--cool);
}
.page-faq .faq-contact__note{
  margin: 0;
  padding-top: 18px;
  border-top: 1px solid var(--faq-rule);
  font-size: var(--step-12);
  line-height: 1.85;
  color: var(--cool-mid);
}

/* ---------- 响应式 ---------- */
@media (min-width: 760px){
  .page-faq .faq-steps-bar{
    grid-template-columns: repeat(3, minmax(0,1fr));
  }
  .page-faq .faq-contact__list{
    grid-template-columns: repeat(2, minmax(0,1fr));
    gap: 20px 40px;
  }
  .page-faq .faq-compare__row{
    grid-template-columns: minmax(0,1fr) minmax(0,1.15fr);
    gap: 0 32px;
    align-items: start;
  }
}

@media (min-width: 960px){
  .page-faq .faq-hero{
    grid-template-columns: minmax(0,7.4fr) minmax(0,4.6fr);
    column-gap: 52px;
    align-items: start;
  }
}

@media (min-width: 1100px){
  .page-faq .faq-wrap{
    padding-left: 76px;
  }
  .page-faq .faq-wrap::before{
    content: "";
    position: absolute;
    left: 30px;
    top: 10px;
    bottom: 28px;
    width: 1px;
    background: linear-gradient(180deg, rgba(79,209,224,.55), rgba(21,106,138,.18) 62%, rgba(255,106,43,.35));
  }
  .page-faq .faq-title{
    font-size: clamp(2.6rem, 4.4vw, 4rem);
  }
}