.page-faq{
  --faq-rail:268px;
  --faq-gap:clamp(10px,1.3vw,13px);
  padding-top:clamp(22px,3.4vw,42px);
  padding-bottom:clamp(56px,8vw,100px);
  overflow-x:clip;
}

/* ---------- 首屏 ---------- */
.page-faq .faq-hero{
  position:relative;
  padding-bottom:clamp(20px,3vw,30px);
  border-bottom:1px solid var(--line);
}
.page-faq .faq-hero::before{
  content:"";
  position:absolute;
  top:-24px;
  right:-8vw;
  width:min(52vw,440px);
  height:calc(100% + 48px);
  background:repeating-linear-gradient(118deg, rgba(53,214,196,.12) 0 1px, transparent 1px 18px);
  clip-path:polygon(36% 0, 100% 0, 100% 100%, 0 100%);
  pointer-events:none;
}
.page-faq .faq-hero h1{
  position:relative;
  font-family:var(--font-display);
  font-weight:700;
  font-size:clamp(30px,4.6vw,54px);
  line-height:1.14;
  letter-spacing:-.01em;
  color:var(--paper);
  margin:14px 0 16px;
  max-width:16em;
}
.page-faq .faq-hero__lede{
  position:relative;
  max-width:58ch;
  margin:0;
  color:var(--mist);
  font-size:clamp(15px,1.5vw,17px);
  line-height:1.8;
}
.page-faq .faq-jump{
  position:relative;
  display:flex;
  flex-wrap:wrap;
  gap:8px;
  list-style:none;
  margin:20px 0 0;
  padding:0;
}

/* ---------- 双栏骨架 ---------- */
.page-faq .faq-shell{
  display:grid;
  grid-template-columns:minmax(0,1fr);
  gap:clamp(22px,3.2vw,40px);
  margin-top:clamp(22px,3.2vw,40px);
  align-items:start;
}

/* ---------- 左侧问题索引 ---------- */
.page-faq .faq-index{
  border:1px solid var(--line);
  background:linear-gradient(180deg, var(--ink-2), rgba(6,20,38,.72));
  padding:16px 14px 14px;
  clip-path:polygon(0 0, 100% 0, 100% calc(100% - 16px), calc(100% - 16px) 100%, 0 100%);
}
.page-faq .faq-index__list{
  list-style:none;
  margin:10px 0 0;
  padding:0;
  display:grid;
  gap:2px;
}
.page-faq .faq-index__list a{
  display:flex;
  align-items:baseline;
  gap:10px;
  padding:9px 8px;
  color:var(--mist);
  text-decoration:none;
  font-size:14px;
  line-height:1.5;
  border-left:2px solid transparent;
  transition:color .2s var(--ease), border-color .2s var(--ease), background .2s var(--ease);
}
.page-faq .faq-index__list a:hover,
.page-faq .faq-index__list a:focus-visible{
  color:var(--paper);
  border-left-color:var(--cyan);
  background:rgba(53,214,196,.09);
}
.page-faq .faq-index__num{
  font-family:var(--font-numeric);
  font-size:11px;
  letter-spacing:.1em;
  color:var(--cyan);
  flex:none;
}
.page-faq .faq-index__note{
  margin:14px 0 0;
  padding-top:12px;
  border-top:1px dashed var(--line);
  font-size:12px;
  line-height:1.7;
  color:var(--mist);
}

/* ---------- 右侧主内容 ---------- */
.page-faq .faq-main{
  display:grid;
  gap:clamp(26px,3.6vw,44px);
  min-width:0;
}
.page-faq .faq-section{
  min-width:0;
  scroll-margin-top:clamp(76px,12vh,104px);
}
.page-faq .faq-section__head{
  display:flex;
  align-items:baseline;
  gap:12px;
  padding-bottom:10px;
  margin-bottom:14px;
  border-bottom:1px dashed var(--line);
}
.page-faq .faq-section__num{
  font-family:var(--font-numeric);
  font-size:12px;
  letter-spacing:.14em;
  color:var(--amber);
  flex:none;
}
.page-faq .faq-section h2{
  margin:0;
  font-family:var(--font-editorial);
  font-weight:600;
  font-size:clamp(19px,2.4vw,27px);
  line-height:1.4;
  color:var(--paper);
}

/* ---------- 手风琴 ---------- */
.page-faq .qa{
  border:1px solid var(--line);
  background:linear-gradient(180deg, rgba(16,43,69,.86), rgba(10,31,51,.94));
  clip-path:polygon(0 0, 100% 0, 100% calc(100% - 14px), calc(100% - 14px) 100%, 0 100%);
  margin:0 0 var(--faq-gap);
  transition:border-color .2s var(--ease), background .2s var(--ease);
}
.page-faq .qa:hover{
  border-color:rgba(53,214,196,.4);
}
.page-faq .qa[open]{
  border-color:rgba(53,214,196,.5);
  background:linear-gradient(180deg, rgba(16,43,69,.98), rgba(12,36,58,1));
}
.page-faq .qa summary{
  display:flex;
  align-items:flex-start;
  gap:12px;
  padding:14px 16px;
  cursor:pointer;
  list-style:none;
  font-family:var(--font-body);
  font-weight:500;
  font-size:clamp(15px,1.6vw,16.5px);
  line-height:1.6;
  color:var(--paper);
  transition:color .2s var(--ease);
}
.page-faq .qa summary::-webkit-details-marker{display:none;}
.page-faq .qa summary::marker{content:"";}
.page-faq .qa summary::after{
  content:"+";
  margin-left:auto;
  flex:none;
  font-family:var(--font-numeric);
  font-size:17px;
  line-height:1.35;
  color:var(--cyan);
  transition:color .2s var(--ease);
}
.page-faq .qa[open] summary::after{
  content:"−";
  color:var(--amber);
}
.page-faq .qa summary:focus-visible{
  outline:2px solid var(--focus);
  outline-offset:-3px;
}
.page-faq .qa__body{
  padding:0 16px 16px 16px;
  color:var(--mist);
  font-size:15px;
  line-height:1.8;
  animation:faq-fade .28s var(--ease) both;
}
.page-faq .qa__body p{
  margin:0 0 10px;
  overflow-wrap:break-word;
}
.page-faq .qa__body p:last-child{margin-bottom:0;}
.page-faq .qa__body .btn{
  margin:4px 8px 4px 0;
}
@keyframes faq-fade{
  from{opacity:0; transform:translateY(-6px);}
  to{opacity:1; transform:translateY(0);}
}

/* ---------- 数字与步骤 ---------- */
.page-faq .hl{
  font-family:var(--font-numeric);
  font-weight:600;
  color:var(--amber);
  padding:0 2px;
  white-space:nowrap;
}
.page-faq .steps{
  list-style:none;
  counter-reset:faqstep;
  margin:0 0 12px;
  padding:0;
  display:grid;
  gap:8px;
}
.page-faq .steps li{
  counter-increment:faqstep;
  display:flex;
  align-items:flex-start;
  gap:10px;
  font-size:14.5px;
  line-height:1.7;
}
.page-faq .steps li::before{
  content:counter(faqstep,decimal-leading-zero);
  flex:none;
  margin-top:3px;
  padding:1px 6px;
  font-family:var(--font-numeric);
  font-size:11px;
  letter-spacing:.06em;
  color:var(--ink);
  background:var(--cyan);
  border-radius:2px;
}

/* ---------- 费用小卡片 ---------- */
.page-faq .price-cards{
  display:grid;
  grid-template-columns:minmax(0,1fr);
  gap:10px;
  margin:2px 0 14px;
}
.page-faq .price-card{
  border:1px solid var(--line);
  background:rgba(27,58,75,.5);
  padding:11px 13px;
  clip-path:polygon(0 0, 100% 0, 100% calc(100% - 12px), calc(100% - 12px) 100%, 0 100%);
}
.page-faq .price-card__label{
  margin:0 0 6px;
  font-family:var(--font-numeric);
  font-size:11.5px;
  letter-spacing:.06em;
  color:var(--mist);
}
.page-faq .price-card__value{
  margin:0;
  font-family:var(--font-numeric);
  font-weight:600;
  font-size:clamp(18px,2.2vw,22px);
  line-height:1.2;
  color:var(--paper);
}
.page-faq .price-card--free .price-card__value{color:var(--cyan-neon);}
.page-faq .price-card--amber{
  border-color:rgba(255,194,75,.42);
  background:rgba(255,194,75,.08);
}
.page-faq .price-card--amber .price-card__value{color:var(--amber);}

/* ---------- 图 ---------- */
.page-faq .faq-figure{
  margin:14px 0 0;
}
.page-faq .faq-figure img{
  display:block;
  width:100%;
  height:auto;
  object-fit:cover;
}
.page-faq .faq-figure figcaption{
  margin-top:8px;
  font-size:12.5px;
  line-height:1.6;
  color:var(--mist);
}

/* ---------- 底部联系条 ---------- */
.page-faq .faq-help{
  display:flex;
  flex-direction:column;
  gap:14px;
  padding:18px;
  border:1px solid rgba(242,100,61,.42);
  background:linear-gradient(135deg, rgba(242,100,61,.14), rgba(16,43,69,.7));
  clip-path:polygon(0 0, 100% 0, 100% calc(100% - 18px), calc(100% - 18px) 100%, 0 100%);
}
.page-faq .faq-help__text{min-width:0;}
.page-faq .faq-help__title{
  margin:0 0 6px;
  font-family:var(--font-display);
  font-weight:600;
  font-size:clamp(16px,1.9vw,19px);
  line-height:1.4;
  color:var(--paper);
}
.page-faq .faq-help__meta{
  margin:0;
  font-family:var(--font-numeric);
  font-size:12.5px;
  line-height:1.8;
  color:var(--mist);
  overflow-wrap:break-word;
}
.page-faq .faq-help .btn{align-self:flex-start;}

/* ---------- 断点 ---------- */
@media (min-width:560px){
  .page-faq .price-cards{
    grid-template-columns:repeat(3,minmax(0,1fr));
  }
}

@media (min-width:700px){
  .page-faq .faq-help{
    flex-direction:row;
    align-items:center;
    justify-content:space-between;
  }
  .page-faq .faq-help .btn{align-self:auto;}
  .page-faq .qa__body{
    padding-left:44px;
  }
}

@media (min-width:1000px){
  .page-faq .faq-shell{
    grid-template-columns:var(--faq-rail) minmax(0,1fr);
  }
  .page-faq .faq-index{
    position:sticky;
    top:clamp(14px,3vh,28px);
  }
  .page-faq .faq-section h2{
    font-size:clamp(21px,2vw,26px);
  }
}

@media (prefers-reduced-motion:reduce){
  .page-faq .qa__body{animation:none;}
  .page-faq .qa,
  .page-faq .qa summary,
  .page-faq .qa summary::after,
  .page-faq .faq-index__list a{transition:none;}
}