.page-faq{
  --faq-hair:rgba(22,69,107,.18);
}

/* 首屏 */
.page-faq .faq-hero{
  position:relative;
  padding-block:clamp(28px,5vw,44px) clamp(48px,7vw,84px);
  background:
    radial-gradient(120% 100% at 0% -20%, rgba(47,227,208,.18), rgba(6,26,43,0) 62%),
    radial-gradient(90% 90% at 100% 0%, rgba(255,106,43,.16), rgba(6,26,43,0) 58%),
    var(--deep);
  border-bottom:1px solid var(--steel);
  overflow:hidden;
}

.page-faq .faq-hero .crumbs a{
  color:var(--gray);
  text-decoration:none;
  transition:color var(--dur) var(--ease);
}

.page-faq .faq-hero .crumbs a:hover{
  color:var(--cyan);
}

.page-faq .faq-hero__grid{
  display:grid;
  gap:clamp(28px,5vw,56px);
  margin-top:clamp(24px,4vw,44px);
}

.page-faq .faq-hero .eyebrow{
  color:var(--cyan);
  margin:0 0 14px;
}

.page-faq .faq-hero h1{
  font-family:var(--font-display);
  font-weight:800;
  letter-spacing:-.02em;
  font-size:clamp(30px,5vw,54px);
  line-height:1.14;
  color:var(--paper);
  margin:0 0 18px;
}

.page-faq .faq-hero .lede{
  color:var(--gray);
  font-size:16px;
  line-height:1.8;
  margin:0;
  max-width:38em;
}

.page-faq .faq-hero__panel{
  position:relative;
  border:1px solid var(--steel);
  background:rgba(12,44,74,.72);
  padding:clamp(16px,3vw,26px);
  display:grid;
}

.page-faq .faq-hero__panel::before,
.page-faq .faq-hero__panel::after{
  content:"";
  position:absolute;
  width:10px;
  height:10px;
  border:2px solid var(--orange);
}

.page-faq .faq-hero__panel::before{
  top:-1px;
  left:-1px;
  border-right:0;
  border-bottom:0;
}

.page-faq .faq-hero__panel::after{
  bottom:-1px;
  right:-1px;
  border-left:0;
  border-top:0;
}

.page-faq .faq-hero__row{
  display:flex;
  align-items:baseline;
  justify-content:space-between;
  gap:16px;
  padding:12px 0;
  border-bottom:1px dashed rgba(169,186,203,.28);
}

.page-faq .faq-hero__row:last-child{
  border-bottom:0;
}

.page-faq .faq-hero__row span{
  font-family:var(--font-mono);
  font-size:13px;
  letter-spacing:.06em;
  color:var(--gray);
}

.page-faq .faq-hero__row strong{
  font-family:var(--font-mono);
  font-weight:500;
  font-size:15px;
  letter-spacing:.04em;
  color:var(--cyan);
}

/* 三步引导 */
.page-faq .faq-steps{
  padding-block:clamp(56px,8vw,104px);
  background:var(--paper);
}

.page-faq .faq-steps__intro .eyebrow,
.page-faq .faq-answers__head .eyebrow,
.page-faq .faq-review .eyebrow{
  color:var(--steel);
  margin:0 0 12px;
}

.page-faq .faq-steps h2,
.page-faq .faq-answers h2,
.page-faq .faq-review h2{
  font-family:var(--font-display);
  font-weight:700;
  letter-spacing:-.01em;
  font-size:clamp(25px,3.4vw,34px);
  line-height:1.26;
  margin:0 0 16px;
  color:var(--deep);
}

.page-faq .faq-topics h2,
.page-faq .faq-mobile h2{
  font-family:var(--font-display);
  font-weight:700;
  letter-spacing:-.01em;
  font-size:clamp(25px,3.4vw,34px);
  line-height:1.26;
  margin:0 0 16px;
  color:var(--paper);
}

.page-faq .faq-steps__lead{
  color:var(--ink);
  font-size:16px;
  line-height:1.8;
  margin:0 0 28px;
  max-width:30em;
}

.page-faq .faq-steps__figure{
  margin:0;
}

.page-faq .faq-steps__figure img{
  display:block;
  width:100%;
  height:auto;
  border:1px solid var(--faq-hair);
  background:var(--mist);
  box-shadow:10px 10px 0 rgba(22,69,107,.12);
}

.page-faq .faq-steps__figure .media__caption{
  display:block;
  margin-top:12px;
  font-family:var(--font-mono);
  font-size:12px;
  letter-spacing:.05em;
  line-height:1.7;
  color:var(--ink);
}

.page-faq .faq-steps__list{
  list-style:none;
  margin:0;
  padding:0;
  display:grid;
  gap:clamp(20px,2.6vw,28px);
  align-content:start;
}

.page-faq .step{
  position:relative;
  display:grid;
  grid-template-columns:48px minmax(0,1fr);
  gap:0 18px;
  padding-bottom:6px;
}

.page-faq .step::before{
  content:"";
  position:absolute;
  left:23px;
  top:56px;
  bottom:-20px;
  width:2px;
  background:linear-gradient(180deg, var(--cyan), rgba(47,227,208,.14));
}

.page-faq .step:last-child::before{
  display:none;
}

.page-faq .step__num{
  width:48px;
  height:48px;
  display:grid;
  place-items:center;
  border-radius:50%;
  border:1.5px solid var(--steel);
  font-family:var(--font-mono);
  font-size:14px;
  letter-spacing:.04em;
  color:var(--steel);
  background:var(--paper);
  transition:background var(--dur) var(--ease), color var(--dur) var(--ease), border-color var(--dur) var(--ease);
}

.page-faq .step:hover .step__num{
  border-color:var(--cyan);
  color:var(--deep);
}

.page-faq .step--active .step__num{
  background:var(--orange);
  border-color:var(--orange);
  color:var(--deep);
}

.page-faq .step__body h3{
  font-family:var(--font-display);
  font-size:19px;
  font-weight:700;
  line-height:1.4;
  color:var(--deep);
  margin:9px 0 8px;
}

.page-faq .step__body p{
  margin:0 0 12px;
  font-size:16px;
  line-height:1.8;
  color:var(--ink);
}

.page-faq .step__link{
  display:inline-block;
  font-family:var(--font-mono);
  font-size:13px;
  letter-spacing:.05em;
  color:var(--steel);
  text-decoration:none;
  border-bottom:1px solid rgba(47,227,208,.7);
  padding-bottom:2px;
  transition:color var(--dur) var(--ease), border-color var(--dur) var(--ease);
}

.page-faq .step__link:hover{
  color:var(--orange);
  border-bottom-color:var(--orange);
}

/* 主题标签墙 */
.page-faq .faq-topics{
  padding-block:clamp(56px,8vw,104px);
  background:
    radial-gradient(90% 80% at 100% 0%, rgba(47,227,208,.14), rgba(6,26,43,0) 58%),
    linear-gradient(180deg, var(--hull), var(--deep));
  border-bottom:1px solid var(--steel);
}

.page-faq .faq-topics__head{
  max-width:46em;
  margin-bottom:clamp(26px,4vw,38px);
}

.page-faq .faq-topics__head .eyebrow,
.page-faq .faq-mobile .eyebrow{
  color:var(--cyan);
  margin:0 0 12px;
}

.page-faq .faq-topics__head p,
.page-faq .faq-mobile__body > p{
  color:var(--gray);
  font-size:16px;
  line-height:1.8;
  margin:0;
}

.page-faq .topic-wall{
  list-style:none;
  margin:0 0 26px;
  padding:0;
  display:flex;
  flex-wrap:wrap;
  gap:12px;
}

.page-faq .topic-chip{
  display:inline-flex;
  align-items:baseline;
  gap:10px;
  padding:12px 18px;
  border:1px solid var(--steel);
  background:rgba(22,69,107,.34);
  color:var(--paper);
  font-family:var(--font-display);
  font-weight:600;
  font-size:16px;
  cursor:default;
  transition:background var(--dur) var(--ease), border-color var(--dur) var(--ease), color var(--dur) var(--ease);
}

.page-faq .topic-chip:hover{
  background:var(--cyan);
  border-color:var(--cyan);
  color:var(--deep);
}

.page-faq .topic-chip__count{
  font-family:var(--font-mono);
  font-size:12px;
  letter-spacing:.08em;
  color:var(--cyan);
  transition:color var(--dur) var(--ease);
}

.page-faq .topic-chip:hover .topic-chip__count{
  color:var(--deep);
}

.page-faq .faq-topics__note{
  margin:0;
  padding-left:16px;
  border-left:2px solid rgba(47,227,208,.5);
  color:var(--gray);
  font-size:15px;
  line-height:1.8;
  max-width:44em;
}

/* 高频问答 */
.page-faq .faq-answers{
  padding-block:clamp(56px,8vw,104px);
  background:var(--paper);
}

.page-faq .faq-answers__head p{
  color:var(--ink);
  font-size:16px;
  line-height:1.8;
  margin:0 0 26px;
  max-width:26em;
}

.page-faq .faq-list{
  display:grid;
  gap:12px;
  align-content:start;
}

.page-faq .faq-item{
  background:var(--mist);
  border:1px solid rgba(22,69,107,.22);
  transition:border-color var(--dur) var(--ease), background var(--dur) var(--ease), box-shadow var(--dur) var(--ease);
}

.page-faq .faq-item:hover{
  border-color:var(--cyan);
}

.page-faq .faq-item[open]{
  background:var(--paper);
  border-color:var(--steel);
  box-shadow:6px 6px 0 rgba(22,69,107,.12);
}

.page-faq .faq-item summary{
  list-style:none;
  cursor:pointer;
  display:grid;
  grid-template-columns:auto minmax(0,1fr) auto;
  align-items:center;
  gap:14px;
  padding:18px 20px;
}

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

.page-faq .faq-item summary::marker{
  content:"";
}

.page-faq .faq-item__no{
  font-family:var(--font-mono);
  font-size:13px;
  letter-spacing:.08em;
  color:var(--steel);
  transition:color var(--dur) var(--ease);
}

.page-faq .faq-item[open] .faq-item__no{
  color:var(--orange);
}

.page-faq .faq-item__q{
  font-family:var(--font-display);
  font-weight:600;
  font-size:17px;
  line-height:1.5;
  color:var(--deep);
}

.page-faq .faq-item__mark{
  position:relative;
  width:16px;
  height:16px;
  flex:none;
}

.page-faq .faq-item__mark::before,
.page-faq .faq-item__mark::after{
  content:"";
  position:absolute;
  background:var(--orange);
  transition:transform var(--dur) var(--ease), background var(--dur) var(--ease);
}

.page-faq .faq-item__mark::before{
  left:0;
  top:7px;
  width:16px;
  height:2px;
}

.page-faq .faq-item__mark::after{
  top:0;
  left:7px;
  width:2px;
  height:16px;
}

.page-faq .faq-item[open] .faq-item__mark::after{
  transform:scaleY(0);
}

.page-faq .faq-item__a{
  margin:0 20px 20px;
  padding-top:16px;
  border-top:1px solid rgba(47,227,208,.6);
  color:var(--ink);
  font-size:16px;
  line-height:1.8;
}

.page-faq .faq-item__a p{
  margin:0 0 10px;
}

.page-faq .faq-item__tags{
  margin:0;
  font-family:var(--font-mono);
  font-size:12px;
  letter-spacing:.08em;
  color:var(--steel);
}

/* 手机端渠道 */
.page-faq .faq-mobile{
  padding-block:clamp(56px,8vw,104px);
  background:
    radial-gradient(80% 70% at 100% 0%, rgba(255,106,43,.14), rgba(6,26,43,0) 60%),
    var(--hull);
  border-block:1px solid var(--steel);
}

.page-faq .faq-mobile__grid{
  display:grid;
  gap:clamp(28px,5vw,56px);
}

.page-faq .phone-frame{
  margin:0 auto;
  max-width:300px;
  padding:12px;
  border:2px solid var(--orange);
  border-radius:26px;
  background:var(--deep);
  box-shadow:12px 14px 0 rgba(6,26,43,.45);
}

.page-faq .phone-frame img{
  display:block;
  width:100%;
  height:auto;
  border-radius:16px;
}

.page-faq .mobile-steps{
  list-style:none;
  counter-reset:mstep;
  margin:26px 0 24px;
  padding:0;
  display:grid;
  gap:14px;
}

.page-faq .mobile-steps li{
  counter-increment:mstep;
  position:relative;
  padding:14px 18px 14px 56px;
  border-left:2px solid rgba(47,227,208,.5);
  background:rgba(6,26,43,.42);
  color:var(--paper);
  font-size:16px;
  line-height:1.7;
}

.page-faq .mobile-steps li::before{
  content:counter(mstep,decimal-leading-zero);
  position:absolute;
  left:16px;
  top:16px;
  font-family:var(--font-mono);
  font-size:13px;
  letter-spacing:.06em;
  color:var(--cyan);
}

.page-faq .mobile-steps li .mono{
  display:block;
  margin-top:4px;
  font-family:var(--font-mono);
  font-size:12px;
  letter-spacing:.06em;
  color:var(--gray);
}

.page-faq .mail-box{
  display:grid;
  gap:6px;
  padding:16px 18px;
  margin-bottom:24px;
  border:1px dashed var(--cyan);
  background:rgba(6,26,43,.45);
}

.page-faq .mail-box__label{
  font-family:var(--font-mono);
  font-size:12px;
  letter-spacing:.08em;
  color:var(--gray);
}

.page-faq .mail-box__addr{
  font-family:var(--font-mono);
  font-weight:500;
  font-size:clamp(15px,2.4vw,19px);
  letter-spacing:.02em;
  color:var(--paper);
  word-break:break-all;
}

.page-faq .faq-mobile .btn--primary{
  color:var(--deep);
}

/* 复核节奏 */
.page-faq .faq-review{
  padding-block:clamp(56px,8vw,104px);
  background:var(--paper);
}

.page-faq .faq-review__grid{
  display:grid;
  gap:clamp(28px,4vw,56px);
}

.page-faq .faq-review p{
  color:var(--ink);
  font-size:16px;
  line-height:1.8;
  margin:0 0 24px;
  max-width:32em;
}

.page-faq .review-stats{
  margin:0;
  display:grid;
  border-top:1px solid rgba(22,69,107,.2);
}

.page-faq .review-stats > div{
  display:grid;
  grid-template-columns:minmax(0,7em) minmax(0,1fr);
  gap:16px;
  padding:16px 0;
  border-bottom:1px solid rgba(22,69,107,.2);
}

.page-faq .review-stats dt{
  margin:0;
  font-family:var(--font-mono);
  font-size:12px;
  letter-spacing:.06em;
  color:var(--steel);
}

.page-faq .review-stats dd{
  margin:0;
  font-family:var(--font-display);
  font-weight:600;
  font-size:16px;
  line-height:1.5;
  color:var(--deep);
}

@media (min-width:900px){
  .page-faq .faq-hero__grid{
    grid-template-columns:minmax(0,7fr) minmax(0,4fr);
    align-items:end;
  }

  .page-faq .faq-mobile__grid{
    grid-template-columns:minmax(0,4fr) minmax(0,7fr);
    align-items:center;
  }

  .page-faq .phone-frame{
    margin-inline:0;
  }
}

@media (min-width:860px){
  .page-faq .faq-review__grid{
    grid-template-columns:minmax(0,6fr) minmax(0,5fr);
    align-items:start;
  }
}

@media (max-width:640px){
  .page-faq .faq-item summary{
    gap:10px;
    padding:16px;
  }

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

  .page-faq .faq-item__a{
    margin:0 16px 16px;
  }

  .page-faq .step{
    grid-template-columns:44px minmax(0,1fr);
    gap:0 14px;
  }

  .page-faq .step__num{
    width:44px;
    height:44px;
    font-size:13px;
  }

  .page-faq .step::before{
    left:21px;
    top:52px;
  }

  .page-faq .step__body h3{
    font-size:17px;
  }

  .page-faq .topic-chip{
    padding:10px 14px;
    font-size:15px;
  }

  .page-faq .mobile-steps li{
    padding-left:48px;
  }

  .page-faq .review-stats > div{
    grid-template-columns:1fr;
    gap:6px;
  }
}
<<<PAGE_CSS_END>>>