.page-faq{
  --faq-dash:rgba(143,163,181,.26);
  --faq-text:rgba(244,240,232,.88);
  background:var(--ink-deep);
  color:var(--paper);
}
.page-faq h1,
.page-faq h2,
.page-faq h3{
  font-family:var(--font-display);
  font-weight:700;
  letter-spacing:.01em;
}
.page-faq a{
  color:var(--cyan);
  text-decoration:none;
}
.page-faq a:hover{
  text-decoration:underline;
  text-underline-offset:3px;
}
.page-faq a:focus-visible{
  outline:2px solid var(--cyan);
  outline-offset:3px;
  border-radius:2px;
}
.page-faq .crumb-sep{
  margin:0 8px;
  color:var(--mist);
}

/* ---- 首屏 ---- */
.page-faq .faq-hero{
  padding:calc(var(--head-h) + 30px) 0 clamp(30px,5vw,52px);
  background:
    radial-gradient(120% 90% at 84% -12%,rgba(58,209,196,.17),transparent 62%),
    radial-gradient(95% 75% at 6% -6%,rgba(226,102,46,.15),transparent 64%),
    var(--ink-deep);
  border-bottom:1px solid var(--line-soft);
}
.page-faq .faq-hero h1{
  margin:16px 0 0;
  font-size:clamp(32px,7vw,72px);
  line-height:1.03;
  max-width:16ch;
}
.page-faq .faq-lead{
  margin:20px 0 0;
  max-width:64ch;
  font-size:clamp(15px,1.6vw,17px);
  line-height:1.78;
  color:var(--faq-text);
}

/* ---- 症状四象限 ---- */
.page-faq .faq-quad{
  margin-top:clamp(26px,4.5vw,46px);
  display:grid;
  grid-template-columns:1fr;
  border-top:1px dashed var(--faq-dash);
}
.page-faq .quad{
  display:grid;
  grid-template-columns:auto minmax(0,1fr);
  gap:12px;
  padding:20px 4px 22px 0;
  border-bottom:1px dashed var(--faq-dash);
  color:var(--paper);
  text-decoration:none;
  transition:background .18s var(--ease);
}
.page-faq .quad:hover{
  background:rgba(58,209,196,.07);
  text-decoration:none;
}
.page-faq .quad:hover .quad-title{
  color:var(--cyan);
}
.page-faq .quad-num{
  padding-top:7px;
  font-family:var(--font-mono);
  font-size:11.5px;
  letter-spacing:.08em;
  color:var(--mist);
}
.page-faq .quad-title{
  display:block;
  font-family:var(--font-display);
  font-size:clamp(21px,2.6vw,27px);
  line-height:1.2;
  transition:color .18s var(--ease);
}
.page-faq .quad-desc{
  display:block;
  margin-top:7px;
  max-width:34ch;
  font-size:13.5px;
  line-height:1.7;
  color:var(--mist);
}

/* ---- 路径图 ---- */
.page-faq .faq-map{
  padding:clamp(24px,4vw,40px) 0 clamp(30px,5vw,52px);
  background:var(--ink-deep);
}
.page-faq .faq-figure{
  margin:0;
  border:1px solid var(--line);
  border-radius:var(--radius);
  overflow:hidden;
  background:var(--ink-cloud);
}
.page-faq .faq-figure img{
  display:block;
  width:100%;
  height:auto;
}
.page-faq .faq-figure figcaption{
  padding:11px 16px;
  border-top:1px solid var(--line-soft);
  font-size:12.5px;
  line-height:1.6;
  color:var(--mist);
}

/* ---- 分流章节 ---- */
.page-faq .faq-part{
  padding:clamp(40px,6.5vw,80px) 0;
  border-top:1px solid var(--line-soft);
  scroll-margin-top:calc(var(--head-h) + 18px);
}
.page-faq .faq-part--tags{
  background:linear-gradient(180deg,rgba(28,39,51,.5),rgba(10,20,32,0));
}
.page-faq .faq-part--notify{
  background:linear-gradient(180deg,rgba(28,39,51,.42),rgba(10,20,32,0));
}
.page-faq .faq-split{
  display:grid;
  grid-template-columns:1fr;
  gap:clamp(22px,4vw,38px);
}
.page-faq .faq-q h2{
  margin:12px 0 14px;
  font-size:clamp(24px,4.4vw,38px);
  line-height:1.14;
  max-width:18ch;
}
.page-faq .faq-q p{
  margin:0 0 12px;
  max-width:46ch;
  font-size:15px;
  line-height:1.78;
  color:var(--faq-text);
}
.page-faq .faq-q-link{
  margin-top:16px;
  font-size:14px;
}
.page-faq .faq-q-link a{
  border-bottom:1px solid var(--line-strong);
  padding-bottom:2px;
}
.page-faq .faq-a{
  padding:clamp(18px,3.2vw,28px);
  border:1px solid var(--line);
  border-left:3px solid var(--cyan);
  border-radius:var(--radius);
  background:var(--glass);
}
.page-faq .faq-part--tags .faq-a{
  border-left-color:var(--orange);
}
.page-faq .faq-part--refresh .faq-a{
  border-left-color:var(--moss);
}
.page-faq .faq-part--notify .faq-a{
  border-left-color:var(--clay);
}

/* ---- 步骤列表 ---- */
.page-faq .steps{
  list-style:none;
  margin:0;
  padding:0;
}
.page-faq .step{
  margin:0;
}
.page-faq .step-label{
  position:relative;
  display:block;
  padding:0 0 20px 44px;
  cursor:pointer;
}
.page-faq .step:last-child .step-label{
  padding-bottom:0;
}
.page-faq .step-label::before{
  content:"";
  position:absolute;
  left:14px;
  top:32px;
  bottom:2px;
  width:1px;
  background:linear-gradient(180deg,var(--line-strong),var(--line-soft));
}
.page-faq .step:last-child .step-label::before{
  display:none;
}
.page-faq .step-check{
  position:absolute;
  left:0;
  top:0;
  width:29px;
  height:29px;
  margin:0;
  opacity:0;
  cursor:pointer;
}
.page-faq .step-num{
  position:absolute;
  left:0;
  top:0;
  display:flex;
  align-items:center;
  justify-content:center;
  width:29px;
  height:29px;
  border:1px solid var(--line);
  border-radius:50%;
  background:rgba(10,20,32,.62);
  font-family:var(--font-mono);
  font-size:11.5px;
  color:var(--mist);
  transition:background .18s var(--ease),color .18s var(--ease),border-color .18s var(--ease);
}
.page-faq .step-label:hover .step-num{
  border-color:var(--line-strong);
  color:var(--cyan);
}
.page-faq .step-check:checked + .step-num{
  background:rgba(58,209,196,.18);
  border-color:var(--line-strong);
  color:var(--cyan);
}
.page-faq .step-check:focus-visible + .step-num{
  outline:2px solid var(--cyan);
  outline-offset:2px;
}
.page-faq .step-text{
  display:block;
  font-size:15px;
  line-height:1.75;
  color:var(--faq-text);
  transition:color .18s var(--ease);
}
.page-faq .step-check:checked ~ .step-text{
  color:var(--mist);
}

/* ---- 三档刷新节奏 ---- */
.page-faq .delay-details{
  margin-top:22px;
  border:1px solid var(--line);
  border-radius:var(--radius);
  background:rgba(10,20,32,.5);
}
.page-faq .delay-details summary{
  display:flex;
  align-items:center;
  justify-content:space-between;
  gap:12px;
  padding:12px 16px;
  cursor:pointer;
  list-style:none;
  font-size:14px;
  color:var(--cyan);
}
.page-faq .delay-details summary::-webkit-details-marker{
  display:none;
}
.page-faq .delay-details summary::after{
  content:"＋";
  font-family:var(--font-mono);
  font-size:14px;
  color:var(--mist);
}
.page-faq .delay-details[open] summary::after{
  content:"－";
  color:var(--cyan);
}
.page-faq .delay-details summary:focus-visible{
  outline:2px solid var(--cyan);
  outline-offset:-2px;
  border-radius:var(--radius);
}
.page-faq .delay-body{
  padding:0 16px 16px;
  overflow-x:auto;
}
.page-faq .delay-table{
  width:100%;
  min-width:420px;
  border-collapse:collapse;
  font-size:13.5px;
}
.page-faq .delay-table caption{
  padding:4px 0 10px;
  text-align:left;
  font-size:12px;
  letter-spacing:.06em;
  color:var(--mist);
}
.page-faq .delay-table th,
.page-faq .delay-table td{
  padding:9px 10px;
  text-align:left;
  border-bottom:1px dashed var(--line-soft);
  vertical-align:top;
}
.page-faq .delay-table th{
  font-family:var(--font-mono);
  font-size:11px;
  font-weight:600;
  letter-spacing:.1em;
  color:var(--mist);
  border-bottom:1px solid var(--line);
}
.page-faq .delay-table td{
  color:var(--faq-text);
  line-height:1.6;
}
.page-faq .delay-table .mono{
  font-family:var(--font-mono);
  color:var(--cyan);
  white-space:nowrap;
}

/* ---- 联络区 ---- */
.page-faq .faq-contact{
  padding:clamp(38px,6vw,76px) 0;
  background:var(--paper);
  color:var(--charcoal);
  border-top:4px solid var(--orange);
}
.page-faq .faq-contact a{
  color:var(--clay);
  border-bottom:1px solid rgba(168,91,60,.5);
  padding-bottom:1px;
}
.page-faq .kicker--paper{
  color:#8a6a52;
}
.page-faq .contact-grid{
  display:grid;
  grid-template-columns:1fr;
  gap:clamp(24px,4vw,46px);
}
.page-faq .faq-contact h2{
  margin:12px 0 14px;
  font-size:clamp(25px,4.2vw,38px);
  line-height:1.14;
  color:var(--charcoal);
  max-width:16ch;
}
.page-faq .faq-contact h3{
  margin:24px 0 0;
  font-size:19px;
  line-height:1.3;
  color:var(--charcoal);
}
.page-faq .contact-lead{
  margin:0;
  max-width:48ch;
  font-size:15px;
  line-height:1.78;
  color:rgba(16,23,30,.78);
}
.page-faq .contact-lines{
  list-style:none;
  margin:20px 0 0;
  padding:0;
}
.page-faq .contact-lines li{
  display:flex;
  flex-wrap:wrap;
  gap:4px 16px;
  align-items:baseline;
  padding:11px 0;
  border-top:1px solid rgba(16,23,30,.16);
}
.page-faq .contact-lines li:last-child{
  border-bottom:1px solid rgba(16,23,30,.16);
}
.page-faq .cl-label{
  min-width:76px;
  font-family:var(--font-mono);
  font-size:11px;
  letter-spacing:.12em;
  color:#5d6a75;
}
.page-faq .cl-value{
  font-family:var(--font-mono);
  font-size:14.5px;
  color:var(--charcoal);
  word-break:break-word;
}
.page-faq .need-list{
  list-style:none;
  counter-reset:need;
  margin:12px 0 0;
  padding:0;
  display:grid;
  gap:9px;
}
.page-faq .need-list li{
  position:relative;
  padding-left:30px;
  font-size:14.5px;
  line-height:1.66;
  color:rgba(16,23,30,.82);
}
.page-faq .need-list li::before{
  counter-increment:need;
  content:counter(need,decimal-leading-zero);
  position:absolute;
  left:0;
  top:3px;
  font-family:var(--font-mono);
  font-size:11px;
  color:var(--clay);
}
.page-faq .contact-more{
  display:flex;
  flex-wrap:wrap;
  gap:10px 26px;
  margin:26px 0 0;
  font-size:14px;
}
.page-faq .contact-figure{
  margin:0;
  border-radius:var(--radius);
  overflow:hidden;
  box-shadow:0 18px 40px -24px rgba(10,20,32,.7);
}
.page-faq .contact-figure img{
  display:block;
  width:100%;
  height:auto;
}

/* ---- 响应式 ---- */
@media (min-width:760px){
  .page-faq .faq-quad{
    grid-template-columns:1fr 1fr;
  }
  .page-faq .quad{
    padding:24px 26px 26px 20px;
  }
  .page-faq .quad:nth-child(odd){
    border-right:1px dashed var(--faq-dash);
  }
  .page-faq .quad:nth-child(1),
  .page-faq .quad:nth-child(2){
    padding-top:28px;
  }
}

@media (min-width:900px){
  .page-faq .faq-split{
    grid-template-columns:minmax(0,.8fr) minmax(0,1.2fr);
    gap:clamp(32px,5vw,72px);
    align-items:start;
  }
  .page-faq .faq-a{
    margin-top:30px;
  }
  .page-faq .contact-grid{
    grid-template-columns:minmax(0,1.05fr) minmax(0,.95fr);
    align-items:center;
  }
  .page-faq .step-text{
    font-size:15.5px;
  }
}

@media (min-width:1180px){
  .page-faq .faq-hero h1{
    max-width:15ch;
  }
  .page-faq .faq-lead{
    margin-top:24px;
  }
}

@media (prefers-reduced-motion:reduce){
  .page-faq .quad,
  .page-faq .step-num,
  .page-faq .step-text{
    transition:none;
  }
}
<<<END>>>