.page-faq{
  --faq-edge:rgba(216,226,234,.14);
  --faq-edge-strong:rgba(216,226,234,.32);
  --faq-sunset-ink:#B8481F;
  --faq-ink-soft:rgba(17,24,32,.68);
  --faq-toc-w:224px;
  color:var(--mist);
}

.page-faq .faq-shell{
  width:min(var(--shell),100%);
  margin-inline:auto;
  padding-inline:var(--gutter);
}

/* 面包屑 */
.page-faq .faq-crumbs{
  padding-top:calc(var(--header-h) + 14px);
  padding-inline:var(--gutter);
  max-width:var(--shell);
  margin-inline:auto;
  font-size:.82rem;
}
.page-faq .faq-crumbs ol{
  list-style:none;
  display:flex;
  flex-wrap:wrap;
  gap:8px;
  margin:0;
  padding:0;
  color:var(--text-soft);
}
.page-faq .faq-crumbs li+li::before{
  content:"/";
  margin-right:8px;
  opacity:.45;
}
.page-faq .faq-crumbs a{
  color:var(--text-soft);
  text-decoration:none;
  border-bottom:1px solid transparent;
}
.page-faq .faq-crumbs a:hover,
.page-faq .faq-crumbs a:focus-visible{
  color:var(--tide);
  border-bottom-color:var(--tide);
}

/* 首屏 */
.page-faq .faq-hero{
  position:relative;
  overflow:hidden;
  padding-block:clamp(24px,4vw,44px) clamp(28px,4vw,50px);
  background:
    radial-gradient(120% 90% at 10% 0%, rgba(43,217,200,.15), transparent 58%),
    radial-gradient(90% 80% at 92% 6%, rgba(242,107,58,.16), transparent 62%),
    linear-gradient(180deg,var(--harbor-deep) 0%,var(--harbor) 58%,var(--harbor-deep) 100%);
}
.page-faq .faq-hero::before{
  content:"";
  position:absolute;
  inset:0;
  background-image:
    repeating-linear-gradient(90deg, rgba(216,226,234,.05) 0 1px, transparent 1px 64px),
    repeating-linear-gradient(0deg, rgba(216,226,234,.05) 0 1px, transparent 1px 64px);
  pointer-events:none;
}
.page-faq .faq-hero-grid{
  position:relative;
  display:grid;
  gap:clamp(24px,4vw,42px);
}
.page-faq .faq-h1{
  margin:14px 0 0;
  color:var(--pure);
  line-height:1.08;
  letter-spacing:-.02em;
}
.page-faq .faq-lede{
  margin-top:18px;
  max-width:52ch;
  color:var(--text-soft);
  font-size:1rem;
  line-height:1.7;
}
.page-faq .faq-hero-actions{
  display:flex;
  flex-wrap:wrap;
  gap:12px;
  margin-top:24px;
}
.page-faq .faq-hero-actions .btn{
  text-decoration:none;
  display:inline-flex;
  align-items:center;
  min-height:44px;
}
.page-faq .faq-hero-facts{
  list-style:none;
  display:grid;
  gap:8px;
  margin:26px 0 0;
  padding:16px 0 0;
  border-top:1px solid var(--faq-edge);
  font-size:.85rem;
  color:var(--text-soft);
}
.page-faq .faq-hero-facts .mono{
  color:var(--tide);
  font-size:1rem;
  margin-right:6px;
}
.page-faq .faq-hero-figure{
  margin:0;
  align-self:end;
}
.page-faq .faq-hero-figure img{
  display:block;
  width:100%;
  height:auto;
  max-width:100%;
  object-fit:cover;
  border:1px solid var(--faq-edge-strong);
  border-radius:var(--radius-lg);
  box-shadow:var(--shadow-soft);
}
.page-faq .faq-figure-note{
  display:block;
  margin-top:10px;
  font-size:.72rem;
  letter-spacing:.08em;
  text-transform:uppercase;
  color:var(--text-soft);
}

/* 三步路径 */
.page-faq .faq-path{
  position:relative;
  list-style:none;
  display:grid;
  gap:12px;
  margin:clamp(26px,4vw,40px) 0 0;
  padding:0;
}
.page-faq .faq-path-step{
  position:relative;
  padding:18px 16px 20px;
  border:1px solid var(--faq-edge-strong);
  border-radius:var(--radius-lg);
  background:linear-gradient(160deg, rgba(18,59,99,.85), rgba(7,26,46,.6));
}
.page-faq .faq-path-step::before{
  content:"";
  position:absolute;
  left:16px;
  right:16px;
  top:0;
  height:2px;
  background:linear-gradient(90deg,var(--tide),rgba(43,217,200,0));
}
.page-faq .faq-path-num{
  display:block;
  font-size:.78rem;
  letter-spacing:.16em;
  color:var(--sunset);
}
.page-faq .faq-path-step strong{
  display:block;
  margin-top:6px;
  font-size:1.02rem;
  color:var(--pure);
}
.page-faq .faq-path-step p{
  margin:6px 0 0;
  font-size:.88rem;
  line-height:1.6;
  color:var(--text-soft);
}

/* 主体两栏 */
.page-faq .faq-layout{
  display:grid;
  gap:clamp(26px,4vw,48px);
  padding-block:clamp(32px,5vw,64px) clamp(40px,6vw,80px);
  align-items:start;
}
.page-faq .faq-toc{
  border-top:1px solid var(--faq-edge-strong);
  padding-top:14px;
}
.page-faq .faq-toc-title{
  margin:0 0 12px;
  font-size:.72rem;
  letter-spacing:.18em;
  text-transform:uppercase;
  color:var(--tide);
}
.page-faq .faq-toc ol{
  list-style:none;
  display:flex;
  gap:8px;
  margin:0;
  padding:0 0 8px;
  overflow-x:auto;
  scrollbar-width:thin;
}
.page-faq .faq-toc a{
  display:inline-flex;
  align-items:baseline;
  gap:7px;
  white-space:nowrap;
  padding:8px 12px;
  font-size:.84rem;
  color:var(--text-soft);
  text-decoration:none;
  border:1px solid var(--faq-edge);
  border-radius:999px;
  transition:color var(--dur) var(--ease), border-color var(--dur) var(--ease), background-color var(--dur) var(--ease);
}
.page-faq .faq-toc a .mono{
  font-size:.72rem;
  color:var(--sunset);
}
.page-faq .faq-toc a:hover,
.page-faq .faq-toc a:focus-visible{
  color:var(--pure);
  border-color:var(--tide);
  background:rgba(43,217,200,.1);
}
.page-faq .faq-toc-link{
  display:none;
}

/* 章节 */
.page-faq .faq-main{
  min-width:0;
}
.page-faq .faq-block{
  margin-bottom:clamp(34px,5vw,62px);
  scroll-margin-top:calc(var(--header-h) + 20px);
}
.page-faq .faq-block--last{
  margin-bottom:clamp(28px,4vw,44px);
}
.page-faq .faq-block-head{
  display:flex;
  align-items:baseline;
  gap:14px;
  padding-bottom:12px;
  margin-bottom:20px;
  border-bottom:1px solid var(--faq-edge-strong);
}
.page-faq .faq-block-num{
  font-size:.95rem;
  color:var(--sunset);
  letter-spacing:.1em;
}
.page-faq .faq-block-head .h-section{
  margin:0;
  color:var(--pure);
}
.page-faq .faq-block-lede{
  max-width:60ch;
  margin:0 0 22px;
  color:var(--text-soft);
  line-height:1.72;
}

/* 步骤列表 */
.page-faq .faq-steps{
  list-style:none;
  display:grid;
  gap:0;
  margin:0;
  padding:0;
  border-top:1px solid var(--faq-edge);
}
.page-faq .faq-step{
  display:grid;
  grid-template-columns:auto minmax(0,1fr);
  gap:14px;
  padding:18px 0;
  border-bottom:1px solid var(--faq-edge);
}
.page-faq .faq-step-num{
  font-size:1.6rem;
  line-height:1;
  color:rgba(216,226,234,.24);
  letter-spacing:-.04em;
}
.page-faq .faq-step h3{
  margin:0 0 6px;
  font-size:1.02rem;
  color:var(--pure);
}
.page-faq .faq-step p{
  margin:0;
  color:var(--text-soft);
  line-height:1.7;
}
.page-faq .faq-callout{
  margin:20px 0 0;
  padding:14px 16px;
  border-left:3px solid var(--sunset);
  background:rgba(242,107,58,.1);
  border-radius:0 var(--radius) var(--radius) 0;
  font-size:.92rem;
  line-height:1.7;
  color:var(--mist);
}

/* 检索方式 */
.page-faq .faq-methods{
  display:grid;
  border-top:1px solid var(--faq-edge);
}
.page-faq .faq-method{
  padding:18px 0;
  border-bottom:1px solid var(--faq-edge);
}
.page-faq .faq-method-name{
  margin:0 0 6px;
  font-size:.98rem;
  color:var(--tide);
  font-family:var(--font-mono);
  letter-spacing:.04em;
}
.page-faq .faq-method p{
  margin:0;
  color:var(--text-soft);
  line-height:1.7;
}
.page-faq .faq-split{
  display:grid;
  gap:22px;
  margin-top:26px;
}
.page-faq .faq-figure{
  margin:0;
}
.page-faq .faq-figure img{
  display:block;
  width:100%;
  height:auto;
  max-width:100%;
  object-fit:cover;
  border:1px solid var(--faq-edge);
  border-radius:var(--radius-lg);
}
.page-faq .faq-fields p{
  margin:0 0 12px;
  color:var(--text-soft);
  font-size:.92rem;
}
.page-faq .faq-field-list{
  margin:0;
  display:grid;
  gap:0;
  border-top:1px solid var(--faq-edge);
}
.page-faq .faq-field{
  padding:11px 0;
  border-bottom:1px solid var(--faq-edge);
}
.page-faq .faq-field dt{
  font-size:.76rem;
  letter-spacing:.1em;
  color:var(--tide);
  margin-bottom:4px;
}
.page-faq .faq-field dd{
  margin:0;
  font-size:.9rem;
  line-height:1.6;
  color:var(--text-soft);
}

/* 轮次更新读数面板 */
.page-faq .faq-readout{
  padding:18px;
  border:1px solid var(--faq-edge-strong);
  border-radius:var(--radius-lg);
  background:linear-gradient(150deg,var(--harbor-card),rgba(7,26,46,.9));
  box-shadow:var(--shadow-soft);
}
.page-faq .faq-readout-row{
  display:grid;
  grid-template-columns:minmax(84px,auto) minmax(0,1fr);
  gap:14px;
  padding:11px 0;
  border-bottom:1px dashed var(--faq-edge);
  font-size:.92rem;
  color:var(--mist);
}
.page-faq .faq-readout-row:last-child{
  border-bottom:0;
  padding-bottom:0;
}
.page-faq .faq-readout-key{
  font-size:.74rem;
  letter-spacing:.12em;
  color:var(--tide);
}
.page-faq .faq-two-col{
  display:grid;
  gap:16px;
  margin-top:22px;
}
.page-faq .faq-two-col p{
  margin:0;
  color:var(--text-soft);
  line-height:1.72;
}
.page-faq .faq-two-col p:first-child{
  padding-left:14px;
  border-left:2px solid var(--violet);
}

/* 规则示例 */
.page-faq .faq-cases{
  display:grid;
  gap:14px;
}
.page-faq .faq-case{
  position:relative;
  padding:20px 18px;
  border:1px solid var(--faq-edge);
  border-radius:var(--radius-lg);
  background:rgba(18,59,99,.42);
  transition:border-color var(--dur) var(--ease), transform var(--dur) var(--ease);
}
.page-faq .faq-case:hover{
  border-color:rgba(43,217,200,.5);
  transform:translateY(-2px);
}
.page-faq .faq-case-tag{
  display:inline-block;
  margin:0 0 10px;
  padding:3px 9px;
  font-size:.72rem;
  letter-spacing:.14em;
  color:var(--harbor-deep);
  background:var(--tide);
  border-radius:var(--radius);
}
.page-faq .faq-case h3{
  margin:0 0 8px;
  font-size:1rem;
  color:var(--pure);
}
.page-faq .faq-case p:last-child{
  margin:0;
  font-size:.9rem;
  line-height:1.7;
  color:var(--text-soft);
}

/* 米白问答区 */
.page-faq .faq-sand{
  margin-block:clamp(30px,5vw,54px);
  padding-block:clamp(26px,4vw,46px);
  background:var(--sand);
  color:var(--ink);
  border-radius:var(--radius-lg);
  scroll-margin-top:calc(var(--header-h) + 20px);
}
.page-faq .faq-sand-inner{
  padding-inline:clamp(16px,3vw,28px);
}
.page-faq .faq-sand .faq-block-head{
  border-bottom-color:rgba(17,24,32,.18);
}
.page-faq .faq-sand .faq-block-num{
  color:var(--faq-sunset-ink);
}
.page-faq .faq-sand .faq-block-head .h-section{
  color:var(--ink);
}
.page-faq .faq-sand .faq-block-lede{
  color:var(--faq-ink-soft);
}
.page-faq .faq-qa-group{
  margin:26px 0 4px;
  font-size:.76rem;
  letter-spacing:.16em;
  text-transform:uppercase;
  color:var(--faq-sunset-ink);
  font-family:var(--font-mono);
}
.page-faq .faq-qa{
  border-bottom:1px solid rgba(17,24,32,.14);
}
.page-faq .faq-qa summary{
  display:flex;
  justify-content:space-between;
  align-items:flex-start;
  gap:16px;
  padding:15px 0;
  cursor:pointer;
  list-style:none;
  font-weight:600;
  font-size:1rem;
  line-height:1.55;
  color:var(--ink);
}
.page-faq .faq-qa summary::-webkit-details-marker{
  display:none;
}
.page-faq .faq-qa summary::after{
  content:"+";
  flex:none;
  font-family:var(--font-mono);
  font-size:1.1rem;
  line-height:1.3;
  color:var(--faq-sunset-ink);
}
.page-faq .faq-qa[open] summary::after{
  content:"–";
}
.page-faq .faq-qa summary:focus-visible{
  outline:2px solid var(--faq-sunset-ink);
  outline-offset:3px;
}
.page-faq .faq-qa-body{
  max-width:64ch;
  padding:0 0 18px;
  font-size:.94rem;
  line-height:1.75;
  color:var(--faq-ink-soft);
}

/* 高峰提示 */
.page-faq .faq-alert{
  padding:20px 18px;
  border:1px solid rgba(242,107,58,.5);
  border-radius:var(--radius-lg);
  background:linear-gradient(135deg, rgba(242,107,58,.16), rgba(43,217,200,.1));
}
.page-faq .faq-alert-title{
  margin:0 0 10px;
  font-size:1.02rem;
  font-weight:700;
  color:var(--pure);
}
.page-faq .faq-alert p:last-child{
  margin:0;
  color:var(--text-soft);
  line-height:1.75;
}
.page-faq .faq-mail{
  color:var(--tide);
  text-decoration:none;
  border-bottom:1px solid rgba(43,217,200,.5);
  word-break:break-all;
}
.page-faq .faq-mail:hover,
.page-faq .faq-mail:focus-visible{
  color:var(--pure);
  border-bottom-color:var(--pure);
}

/* 下一步 */
.page-faq .faq-next{
  padding-top:clamp(20px,3vw,32px);
  border-top:1px solid var(--faq-edge-strong);
}
.page-faq .faq-next .h-section{
  margin:0 0 18px;
  color:var(--pure);
  font-size:clamp(1.15rem,2vw,1.5rem);
}
.page-faq .faq-next-grid{
  display:grid;
  gap:10px;
}
.page-faq .faq-next-item{
  display:block;
  padding:14px 16px 16px;
  text-decoration:none;
  border:1px solid var(--faq-edge);
  border-left:3px solid var(--sunset);
  border-radius:0 var(--radius) var(--radius) 0;
  background:rgba(18,59,99,.4);
  transition:background-color var(--dur) var(--ease), border-left-color var(--dur) var(--ease);
}
.page-faq .faq-next-item .mono{
  font-size:.78rem;
  letter-spacing:.12em;
  color:var(--tide);
}
.page-faq .faq-next-item p{
  margin:6px 0 0;
  font-size:.88rem;
  line-height:1.6;
  color:var(--text-soft);
}
.page-faq .faq-next-item:hover,
.page-faq .faq-next-item:focus-visible{
  background:rgba(43,217,200,.1);
  border-left-color:var(--tide);
}

@media (min-width:700px){
  .page-faq .faq-hero-facts{
    grid-auto-flow:column;
    justify-content:start;
    gap:26px;
  }
  .page-faq .faq-hero-facts li{
    padding-right:26px;
    border-right:1px solid var(--faq-edge);
  }
  .page-faq .faq-hero-facts li:last-child{
    border-right:0;
    padding-right:0;
  }
  .page-faq .faq-path{
    grid-template-columns:repeat(3,minmax(0,1fr));
    gap:14px;
  }
  .page-faq .faq-split{
    grid-template-columns:minmax(0,1fr) minmax(0,1fr);
    align-items:start;
    gap:26px;
  }
  .page-faq .faq-two-col{
    grid-template-columns:repeat(2,minmax(0,1fr));
    gap:24px;
  }
  .page-faq .faq-cases{
    grid-template-columns:repeat(3,minmax(0,1fr));
    gap:16px;
  }
  .page-faq .faq-next-grid{
    grid-template-columns:repeat(2,minmax(0,1fr));
    gap:12px;
  }
  .page-faq .faq-readout-row{
    grid-template-columns:150px minmax(0,1fr);
  }
}

@media (min-width:900px){
  .page-faq .faq-hero-grid{
    grid-template-columns:minmax(0,1.08fr) minmax(0,.92fr);
    align-items:end;
  }
  .page-faq .faq-hero-figure{
    transform:translateY(10px);
  }
}

@media (min-width:1024px){
  .page-faq .faq-layout{
    grid-template-columns:var(--faq-toc-w) minmax(0,1fr);
    gap:clamp(32px,4vw,56px);
  }
  .page-faq .faq-toc{
    position:sticky;
    top:calc(var(--header-h) + 26px);
  }
  .page-faq .faq-toc ol{
    display:grid;
    gap:0;
    overflow:visible;
    padding-bottom:0;
  }
  .page-faq .faq-toc a{
    display:flex;
    width:100%;
    padding:10px 0;
    border:0;
    border-bottom:1px solid var(--faq-edge);
    border-radius:0;
    white-space:normal;
    font-size:.86rem;
  }
  .page-faq .faq-toc a:hover,
  .page-faq .faq-toc a:focus-visible{
    background:transparent;
    color:var(--tide);
    border-bottom-color:var(--tide);
  }
  .page-faq .faq-toc-link{
    display:inline-block;
    margin-top:18px;
    font-size:.82rem;
    color:var(--sunset);
    text-decoration:none;
    border-bottom:1px solid rgba(242,107,58,.5);
    padding-bottom:2px;
  }
  .page-faq .faq-toc-link:hover,
  .page-faq .faq-toc-link:focus-visible{
    color:var(--pure);
    border-bottom-color:var(--pure);
  }
  .page-faq .faq-sand{
    margin-inline:-28px;
  }
}
<<<END>>>