/* ===== 帮助中心 · 页面专属样式 ===== */
.page-faq{
  --faq-read:1000px;
  display:block;
}

/* ---------- 首屏 ---------- */
.page-faq .faq-hero{
  display:grid;
  grid-template-columns:minmax(0,1fr);
  gap:clamp(20px,3.4vw,34px);
  padding:clamp(24px,4.6vw,58px) 0 clamp(24px,3.6vw,46px);
  border-bottom:1px solid var(--edge);
}

.page-faq .faq-hero-main h1{
  margin:.42em 0 0;
  font-family:var(--font-head);
  font-weight:900;
  font-size:clamp(30px,5.6vw,62px);
  line-height:1.06;
  letter-spacing:-.022em;
  color:var(--ice);
  max-width:15em;
}

.page-faq .faq-hero-main h1::after{
  content:"";
  display:block;
  width:clamp(78px,15vw,168px);
  height:6px;
  margin-top:clamp(16px,2.4vw,26px);
  background:linear-gradient(90deg,var(--cyan) 0%,var(--violet) 100%);
}

.page-faq .hero-actions{
  display:flex;
  flex-wrap:wrap;
  gap:12px;
  margin-top:clamp(20px,3vw,32px);
}

.page-faq .faq-hero-side{
  position:relative;
  padding:22px 20px 24px;
  background:var(--grad-panel);
  border:2px solid var(--edge);
  box-shadow:var(--hard);
}
.page-faq .faq-hero-side::before{
  content:"";
  position:absolute;
  top:0;
  left:0;
  right:0;
  height:3px;
  background:var(--grad-flux);
}

.page-faq .side-num{
  margin:10px 0 2px;
  font-family:var(--font-mono);
  font-size:clamp(42px,7.6vw,64px);
  line-height:1;
  font-weight:700;
  color:var(--cyan);
  letter-spacing:-.03em;
}

.page-faq .side-sub{
  margin:0 0 4px;
  font-size:13px;
  font-weight:600;
  letter-spacing:.04em;
  color:var(--mist);
}

.page-faq .side-list{
  list-style:none;
  margin:0;
  padding:0;
  display:grid;
  gap:10px;
}
.page-faq .side-list li{
  display:flex;
  align-items:baseline;
  justify-content:space-between;
  gap:12px;
  padding-bottom:9px;
  font-size:13.5px;
  color:var(--mist);
  border-bottom:1px dashed rgba(30,42,92,.95);
}
.page-faq .side-list li:last-child{border-bottom:0;padding-bottom:0;}
.page-faq .side-list b{
  font-family:var(--font-mono);
  font-size:20px;
  font-weight:700;
  color:var(--ice);
  line-height:1;
}

/* ---------- 分类标签条 ---------- */
.page-faq .faq-tabs{
  position:sticky;
  top:0;
  z-index:30;
  background:linear-gradient(180deg,rgba(5,11,31,.98) 0%,rgba(5,11,31,.9) 100%);
  backdrop-filter:blur(10px);
  border-bottom:2px solid var(--edge);
}
.page-faq .faq-tab-inner{
  max-width:var(--wrap);
  margin:0 auto;
  padding:0 clamp(16px,4vw,40px);
}
.page-faq .faq-tab-row{
  list-style:none;
  margin:0;
  padding:0;
  display:flex;
  gap:4px;
  overflow-x:auto;
  scrollbar-width:none;
  -webkit-overflow-scrolling:touch;
}
.page-faq .faq-tab-row::-webkit-scrollbar{display:none;}
.page-faq .faq-tab{
  display:flex;
  align-items:center;
  gap:8px;
  white-space:nowrap;
  padding:15px 15px 13px;
  font-size:14px;
  font-weight:600;
  letter-spacing:.02em;
  color:var(--mist);
  text-decoration:none;
  border-bottom:3px solid transparent;
  transition:color .2s ease,border-color .2s ease,background-color .2s ease;
}
.page-faq .faq-tab:hover{
  color:var(--ice);
  background:rgba(122,92,255,.1);
  border-bottom-color:var(--violet);
}
.page-faq .faq-tab:focus-visible{
  outline:2px solid var(--cyan);
  outline-offset:-4px;
}
.page-faq .tab-idx{
  font-family:var(--font-mono);
  font-size:11.5px;
  color:var(--cyan);
  letter-spacing:0;
}

/* ---------- 分组 ---------- */
.page-faq .faq-group{
  padding:clamp(28px,4.4vw,56px) 0 clamp(8px,1.6vw,20px);
}
.page-faq .faq-group:last-of-type{
  padding-bottom:clamp(20px,3vw,40px);
}

.page-faq .group-head{
  display:grid;
  gap:12px;
  margin-bottom:clamp(20px,3.2vw,36px);
}
.page-faq .group-head h2{
  margin:0;
  font-size:clamp(22px,3.5vw,38px);
  font-weight:900;
  line-height:1.16;
  letter-spacing:-.018em;
  color:var(--ice);
}
.page-faq .group-lede{
  margin:0;
  font-size:15.5px;
  line-height:1.75;
  color:var(--mist);
  max-width:38em;
}
.page-faq .group-head .label::before{
  content:"";
  display:inline-block;
  width:22px;
  height:2px;
  margin-right:9px;
  vertical-align:middle;
  background:var(--cyan);
}

/* ---------- 配图 ---------- */
.page-faq .faq-figure{
  margin:0 0 clamp(20px,3.2vw,34px);
  max-width:var(--faq-read);
}
.page-faq .faq-figure img{
  display:block;
  width:100%;
  height:auto;
  object-fit:cover;
}
.page-faq .faq-figure::after{
  content:"";
  position:absolute;
  inset:0;
  pointer-events:none;
  background:linear-gradient(150deg,rgba(0,240,224,.1) 0%,rgba(122,92,255,.14) 55%,rgba(5,11,31,.3) 100%);
}

/* ---------- 问答手风琴 ---------- */
.page-faq .qa-list{
  display:grid;
  gap:12px;
  max-width:var(--faq-read);
}

.page-faq .qa{
  border:2px solid var(--edge);
  background:linear-gradient(180deg,rgba(11,21,51,.78) 0%,rgba(6,12,30,.86) 100%);
  box-shadow:4px 4px 0 rgba(0,0,0,.45);
  transition:border-color .22s ease,transform .22s ease,box-shadow .22s ease;
}
.page-faq .qa:hover{
  border-color:var(--cyan);
  transform:translateY(-2px);
}
.page-faq .qa[open]{
  border-color:var(--cyan);
  box-shadow:6px 6px 0 rgba(0,0,0,.5);
}

.page-faq .qa-q{
  display:flex;
  align-items:center;
  gap:13px;
  padding:16px 18px;
  cursor:pointer;
  list-style:none;
}
.page-faq .qa-q::-webkit-details-marker{display:none;}
.page-faq .qa-q::marker{content:"";}
.page-faq .qa-q:focus-visible{
  outline:2px solid var(--cyan);
  outline-offset:-3px;
}

.page-faq .qa-idx{
  flex:0 0 auto;
  font-family:var(--font-mono);
  font-size:12.5px;
  line-height:1;
  color:var(--cyan);
  border:1px solid var(--edge);
  padding:5px 7px;
  transition:border-color .22s ease,background-color .22s ease;
}
.page-faq .qa[open] .qa-idx,
.page-faq .qa:hover .qa-idx{
  border-color:var(--cyan);
  background:rgba(0,240,224,.08);
}

.page-faq .qa-text{
  flex:1 1 auto;
  margin:0;
  font-size:clamp(15px,1.62vw,17.5px);
  font-weight:700;
  line-height:1.42;
  letter-spacing:-.008em;
  color:var(--ice);
  transition:color .2s ease;
}
.page-faq .qa:hover .qa-text{color:#ffffff;}

.page-faq .qa-arrow{
  flex:0 0 auto;
  width:11px;
  height:11px;
  margin-top:-4px;
  border-right:2px solid var(--mist);
  border-bottom:2px solid var(--mist);
  transform:rotate(45deg);
  transition:transform .26s ease,margin-top .26s ease,border-color .26s ease;
}
.page-faq .qa[open] .qa-arrow{
  transform:rotate(-135deg);
  margin-top:4px;
  border-color:var(--cyan);
}

.page-faq .qa-a{
  margin:0 18px 20px;
  padding:4px 0 4px 16px;
  border-left:3px solid var(--cyan);
}
.page-faq .qa-a p{
  margin:0 0 10px;
  font-size:15.5px;
  line-height:1.78;
  color:var(--ice);
  max-width:37em;
}
.page-faq .qa-a p:last-child{margin-bottom:0;}
.page-faq .qa-a a{
  color:var(--cyan);
  text-decoration:underline;
  text-underline-offset:3px;
}
.page-faq .qa-a a:hover{color:#7ffbf0;}

/* ---------- 联系卡片 ---------- */
.page-faq .contact-cards{
  display:grid;
  gap:var(--gap);
  margin-top:clamp(18px,2.6vw,28px);
  max-width:var(--faq-read);
}
.page-faq .contact-card{
  position:relative;
  padding:20px 20px 22px;
  background:var(--grad-panel);
  border:2px solid var(--edge);
  box-shadow:var(--hard);
  transition:border-color .22s ease,transform .22s ease;
}
.page-faq .contact-card:hover{
  border-color:var(--cyan);
  transform:translateY(-2px);
}
.page-faq .contact-card--hot::before{
  content:"";
  position:absolute;
  top:0;
  left:0;
  bottom:0;
  width:4px;
  background:linear-gradient(180deg,var(--orange) 0%,var(--violet) 100%);
}
.page-faq .contact-mail{
  margin:10px 0 16px;
  font-family:var(--font-mono);
  font-size:clamp(15px,2.1vw,19px);
  font-weight:700;
  letter-spacing:-.01em;
  color:var(--cyan);
  word-break:break-all;
}
.page-faq .contact-card--hot .contact-mail{color:var(--orange);}

/* ---------- 收口 ---------- */
.page-faq .faq-cta{
  padding:clamp(28px,4.4vw,56px) 0 clamp(34px,5vw,64px);
}
.page-faq .cta-panel{
  position:relative;
  padding:clamp(22px,3.4vw,40px);
  background:var(--grad-panel);
  border:2px solid var(--edge);
  box-shadow:var(--hard);
  overflow:hidden;
}
.page-faq .cta-panel::before{
  content:"";
  position:absolute;
  top:-40%;
  right:-12%;
  width:clamp(180px,34vw,420px);
  height:clamp(180px,34vw,420px);
  background:radial-gradient(circle,rgba(0,240,224,.16) 0%,rgba(122,92,255,.12) 45%,transparent 70%);
  pointer-events:none;
}
.page-faq .cta-panel h2{
  position:relative;
  margin:12px 0 10px;
  font-size:clamp(21px,3.1vw,34px);
  font-weight:900;
  line-height:1.18;
  letter-spacing:-.018em;
  color:var(--ice);
}
.page-faq .cta-panel p{
  position:relative;
  margin:0;
  font-size:15.5px;
  line-height:1.75;
  color:var(--mist);
  max-width:36em;
}
.page-faq .cta-links{
  position:relative;
  list-style:none;
  margin:clamp(18px,2.8vw,28px) 0 0;
  padding:0;
  display:flex;
  flex-wrap:wrap;
  gap:12px;
}

/* ---------- 响应式 ---------- */
@media (min-width:700px){
  .page-faq .contact-cards{
    grid-template-columns:repeat(2,minmax(0,1fr));
  }
  .page-faq .faq-tab{
    padding:16px 20px 14px;
  }
}

@media (min-width:960px){
  .page-faq .faq-hero{
    grid-template-columns:minmax(0,1.6fr) minmax(280px,.82fr);
    align-items:end;
    gap:clamp(28px,4.4vw,68px);
  }
  .page-faq .group-head{
    grid-template-columns:minmax(0,1fr) minmax(0,1fr);
    align-items:end;
    gap:clamp(20px,4vw,60px);
  }
  .page-faq .group-head .label{
    grid-column:1 / -1;
  }
  .page-faq .faq-group{
    position:relative;
  }
  .page-faq .faq-group::before{
    content:"";
    position:absolute;
    top:0;
    left:0;
    width:clamp(40px,6vw,96px);
    height:2px;
    background:var(--cyan);
  }
}

@media (prefers-reduced-motion:reduce){
  .page-faq .qa,
  .page-faq .contact-card,
  .page-faq .qa-arrow,
  .page-faq .qa-idx,
  .page-faq .qa-text,
  .page-faq .faq-tab{
    transition:none;
  }
  .page-faq .qa:hover,
  .page-faq .contact-card:hover{
    transform:none;
  }
  .page-faq [data-reveal]{
    opacity:1;
    transform:none;
  }
}
<<<END>>>