.page-faq{
  --faq-rail-w:250px;
  --faq-gap:clamp(26px,4vw,52px);
  background:var(--night);
  color:var(--ivory);
  font-family:var(--font-body);
  overflow-x:clip;
}
.page-faq p{line-height:1.78;margin:0}
.page-faq a{color:inherit}

/* ---------- 首屏 ---------- */
.page-faq .faq-hero{
  position:relative;
  isolation:isolate;
  padding:clamp(22px,4vw,40px) 0 clamp(34px,6vw,68px);
  border-bottom:1px solid var(--line-soft);
}
.page-faq .faq-hero::before{
  content:"";
  position:absolute;
  inset:0;
  z-index:-1;
  background:
    radial-gradient(120% 95% at 8% 0%, rgba(200,255,61,.12), transparent 60%),
    radial-gradient(85% 80% at 100% 5%, rgba(255,122,26,.14), transparent 62%),
    linear-gradient(180deg,var(--moss),var(--night) 78%);
}
.page-faq .faq-hero::after{
  content:"";
  position:absolute;
  left:0;right:0;bottom:-1px;
  height:clamp(28px,5vw,56px);
  z-index:-1;
  background:linear-gradient(90deg,rgba(200,255,61,.18),rgba(255,122,26,.10));
  clip-path:polygon(0 58%,100% 0,100% 100%,0 100%);
  opacity:.45;
}
.page-faq .breadcrumbs{
  display:flex;
  align-items:center;
  gap:8px;
  font-family:var(--font-mono);
  font-size:12px;
  letter-spacing:.08em;
  color:var(--mist);
}
.page-faq .breadcrumbs a{text-decoration:none;color:var(--mist)}
.page-faq .breadcrumbs a:hover{color:var(--lime)}
.page-faq .crumb-sep{color:rgba(143,184,168,.5)}

.page-faq .eyebrow{
  margin-top:clamp(18px,3vw,28px);
  font-family:var(--font-mono);
  font-size:12px;
  letter-spacing:.14em;
  text-transform:uppercase;
  color:var(--lime);
}
.page-faq .faq-title{
  margin:14px 0 0;
  max-width:17em;
  font-family:var(--font-display);
  font-weight:800;
  font-size:clamp(32px,6.2vw,68px);
  line-height:1.05;
  letter-spacing:-.012em;
  color:var(--ivory);
}
.page-faq .faq-lead{
  margin-top:clamp(16px,2.6vw,24px);
  max-width:60ch;
  font-size:clamp(15px,1.6vw,17px);
  color:rgba(243,240,230,.82);
}
.page-faq .faq-hero-pills{
  display:flex;
  flex-wrap:wrap;
  gap:10px;
  margin:clamp(20px,3vw,30px) 0 0;
  padding:0;
  list-style:none;
}
.page-faq .faq-hero-pills .chip{
  font-family:var(--font-mono);
  font-size:12px;
  letter-spacing:.06em;
  padding:7px 14px;
  border-radius:var(--r-pill);
  border:1px solid var(--line);
  color:var(--ivory);
  background:rgba(28,58,48,.55);
}
.page-faq .faq-hero-pills .chip-lime{border-color:var(--line-lime);color:var(--lime)}
.page-faq .faq-hero-pills .chip-orange{border-color:rgba(255,122,26,.45);color:var(--orange)}
.page-faq .faq-hero-actions{
  display:flex;
  flex-wrap:wrap;
  gap:12px;
  margin-top:clamp(22px,3.4vw,34px);
}
.page-faq .btn{
  display:inline-flex;
  align-items:center;
  justify-content:center;
  padding:12px 22px;
  border-radius:var(--r-pill);
  font-size:15px;
  font-weight:600;
  text-decoration:none;
  transition:transform .22s var(--ease),background-color .22s var(--ease),border-color .22s var(--ease);
}
.page-faq .btn-primary{background:var(--orange);color:#1A0B02;border:1px solid var(--orange)}
.page-faq .btn-primary:hover{transform:translateY(-2px);background:#FF8B3A}
.page-faq .btn-ghost{background:transparent;color:var(--ivory);border:1px solid var(--line)}
.page-faq .btn-ghost:hover{transform:translateY(-2px);border-color:var(--line-lime);color:var(--lime)}

/* ---------- 主体布局 ---------- */
.page-faq .faq-layout{
  display:grid;
  gap:var(--faq-gap);
  padding:clamp(26px,4vw,52px) 0 clamp(40px,6vw,72px);
}
.page-faq .faq-rail{min-width:0}
.page-faq .rail-title{
  font-family:var(--font-mono);
  font-size:11px;
  letter-spacing:.18em;
  text-transform:uppercase;
  color:var(--mist);
  margin-bottom:10px;
}
.page-faq .chapter-list{
  display:flex;
  gap:8px;
  margin:0;
  padding:0 0 6px;
  list-style:none;
  overflow-x:auto;
  scrollbar-width:thin;
}
.page-faq .chapter-item{flex:0 0 auto}
.page-faq .chapter-link{
  display:inline-flex;
  align-items:center;
  gap:8px;
  padding:9px 15px;
  border:1px solid var(--line);
  border-radius:var(--r-pill);
  background:rgba(14,42,34,.7);
  color:rgba(243,240,230,.78);
  font-size:13px;
  white-space:nowrap;
  text-decoration:none;
  transition:border-color .2s var(--ease),color .2s var(--ease),background-color .2s var(--ease);
}
.page-faq .chapter-num{
  font-family:var(--font-mono);
  font-size:11px;
  color:var(--mist);
}
.page-faq .chapter-link:hover,
.page-faq .chapter-link.is-active{
  border-color:var(--line-lime);
  background:rgba(200,255,61,.10);
  color:var(--lime);
}
.page-faq .chapter-link.is-active .chapter-num{color:var(--lime)}

/* ---------- 章节 ---------- */
.page-faq .faq-main{min-width:0}
.page-faq .faq-block{
  padding:clamp(26px,4.4vw,48px) 0;
  border-top:1px solid var(--line-soft);
}
.page-faq .faq-block:first-child{border-top:0;padding-top:0}
.page-faq .eyebrow{margin-top:0}
.page-faq .section-title{
  margin:10px 0 0;
  font-family:var(--font-display);
  font-weight:800;
  font-size:clamp(23px,3.6vw,36px);
  line-height:1.18;
  color:var(--ivory);
}
.page-faq .section-note{
  margin-top:12px;
  max-width:58ch;
  font-size:15px;
  color:var(--mist);
}

/* ---------- 图片 ---------- */
.page-faq .media-frame{
  margin:0;
  overflow:hidden;
  border-radius:var(--r-lg);
  border:1px solid var(--line);
  background:
    repeating-linear-gradient(90deg,rgba(143,184,168,.07) 0 2px,transparent 2px 46px),
    linear-gradient(150deg,var(--stone),var(--night-deep));
}
.page-faq .media-frame img{
  display:block;
  width:100%;
  height:auto;
  max-width:100%;
  object-fit:cover;
}
.page-faq .faq-figure{margin-top:clamp(20px,3vw,30px)}
.page-faq .faq-figure--side{margin-top:0}

/* ---------- 四步 ---------- */
.page-faq .faq-steps{
  list-style:none;
  margin:clamp(20px,3vw,30px) 0 0;
  padding:0;
  display:grid;
  gap:22px;
}
.page-faq .faq-step{
  position:relative;
  display:grid;
  grid-template-columns:auto minmax(0,1fr);
  gap:clamp(12px,2.4vw,22px);
  align-items:start;
  padding:clamp(16px,3vw,26px);
  border:1px solid var(--line);
  border-radius:var(--r-lg);
  background:linear-gradient(150deg,var(--stone),var(--moss));
  box-shadow:var(--shadow-card);
  transition:transform .22s var(--ease),border-color .22s var(--ease);
}
.page-faq .faq-step:hover{transform:translateY(-3px);border-color:var(--line-lime)}
.page-faq .faq-steps > li + li::before{
  content:"";
  position:absolute;
  top:-16px;
  left:32px;
  width:1px;
  height:10px;
  background:linear-gradient(180deg,var(--lime),transparent);
}
.page-faq .step-num{
  font-family:var(--font-mono);
  font-weight:700;
  font-size:clamp(28px,4.6vw,44px);
  line-height:.95;
  color:var(--lime);
}
.page-faq .step-title{
  margin:0 0 8px;
  font-size:clamp(16px,2vw,18px);
  font-weight:700;
  color:var(--ivory);
}
.page-faq .step-text{
  font-size:15px;
  color:rgba(243,240,230,.78);
}
.page-faq .faq-aside{
  margin-top:clamp(18px,2.6vw,26px);
  padding-left:14px;
  border-left:2px solid var(--line-lime);
  font-size:14px;
  color:var(--mist);
}
.page-faq .faq-aside a{color:var(--lime);text-decoration:none;border-bottom:1px solid rgba(200,255,61,.4)}
.page-faq .faq-aside a:hover{color:var(--orange);border-color:rgba(255,122,26,.5)}

/* ---------- 区间 ---------- */
.page-faq .faq-split{
  display:grid;
  gap:clamp(20px,3vw,28px);
  margin-top:clamp(20px,3vw,28px);
}
.page-faq .faq-split-text{min-width:0}
.page-faq .range-list{display:grid;gap:12px;margin-bottom:20px}
.page-faq .range-row{
  display:grid;
  grid-template-columns:64px minmax(0,1fr) auto;
  gap:10px;
  align-items:center;
  font-size:13px;
}
.page-faq .range-name{
  font-family:var(--font-mono);
  letter-spacing:.06em;
  color:rgba(243,240,230,.8);
}
.page-faq .range-track{
  display:block;
  height:10px;
  border-radius:var(--r-pill);
  background:rgba(143,184,168,.16);
  overflow:hidden;
}
.page-faq .range-fill{
  display:block;
  height:100%;
  border-radius:inherit;
}
.page-faq .range-fill--a{width:33%;background:var(--lime)}
.page-faq .range-fill--b{width:66%;background:var(--orange)}
.page-faq .range-fill--c{width:100%;background:linear-gradient(90deg,var(--lime),var(--orange))}
.page-faq .range-num{
  font-family:var(--font-mono);
  font-size:12px;
  color:var(--mist);
  white-space:nowrap;
}

/* ---------- 折叠问答 ---------- */
.page-faq .qa{
  border:1px solid var(--line);
  border-radius:var(--r-md);
  background:rgba(14,42,34,.72);
  margin-top:12px;
  overflow:hidden;
  transition:border-color .2s var(--ease),box-shadow .2s var(--ease);
}
.page-faq .qa[open]{
  border-color:var(--line-lime);
  box-shadow:inset 3px 0 0 var(--lime);
  background:rgba(28,58,48,.72);
}
.page-faq .qa summary{
  display:flex;
  align-items:center;
  gap:12px;
  padding:16px clamp(16px,2.6vw,22px);
  cursor:pointer;
  list-style:none;
  font-size:15px;
  font-weight:600;
  color:var(--ivory);
}
.page-faq .qa summary::-webkit-details-marker{display:none}
.page-faq .qa summary::after{
  content:"+";
  margin-left:auto;
  font-family:var(--font-mono);
  font-size:18px;
  line-height:1;
  color:var(--lime);
}
.page-faq .qa[open] summary::after{content:"–"}
.page-faq .qa summary:hover{color:var(--lime)}
.page-faq .qa-body{padding:0 clamp(16px,2.6vw,22px) 18px}
.page-faq .qa-body p{font-size:14.5px;color:rgba(243,240,230,.78)}
.page-faq .faq-narrow{max-width:72ch;margin-top:clamp(18px,2.6vw,26px)}
.page-faq .faq-narrow .qa:first-child{margin-top:0}

/* ---------- 账号与联系 ---------- */
.page-faq .faq-text{font-size:15px;color:rgba(243,240,230,.82)}
.page-faq .faq-contact-list{
  list-style:none;
  margin:20px 0 0;
  padding:0;
  display:grid;
  gap:10px;
}
.page-faq .contact-item{
  display:flex;
  flex-wrap:wrap;
  align-items:center;
  gap:10px;
  padding:13px 16px;
  border:1px solid var(--line);
  border-radius:var(--r-md);
  background:rgba(14,42,34,.66);
}
.page-faq .contact-label{
  font-family:var(--font-mono);
  font-size:11px;
  letter-spacing:.12em;
  text-transform:uppercase;
  color:var(--mist);
  flex:0 0 auto;
}
.page-faq .contact-value{
  font-family:var(--font-mono);
  font-size:14px;
  color:var(--ivory);
  word-break:break-all;
}
.page-faq .copy-btn{
  margin-left:auto;
  padding:6px 14px;
  border-radius:var(--r-pill);
  border:1px solid var(--line-lime);
  background:transparent;
  color:var(--lime);
  font-family:var(--font-mono);
  font-size:11px;
  letter-spacing:.1em;
  cursor:pointer;
  transition:background-color .2s var(--ease),color .2s var(--ease);
}
.page-faq .copy-btn:hover{background:rgba(200,255,61,.14)}
.page-faq .copy-btn.is-copied{background:var(--lime);color:#04110D;border-color:var(--lime)}

.page-faq .faq-split-side{display:grid;gap:14px;align-content:start}
.page-faq .faq-note-card{
  padding:clamp(16px,2.6vw,22px);
  border-radius:var(--r-lg);
  border:1px solid var(--line);
  background:linear-gradient(160deg,var(--stone),var(--moss));
}
.page-faq .faq-note-card--alt{
  border-color:rgba(255,122,26,.35);
  background:linear-gradient(160deg,rgba(255,122,26,.12),var(--moss));
}
.page-faq .note-card-title{
  font-family:var(--font-mono);
  font-size:11px;
  letter-spacing:.14em;
  text-transform:uppercase;
  color:var(--lime);
  margin-bottom:12px;
}
.page-faq .faq-note-card--alt .note-card-title{color:var(--orange)}
.page-faq .note-card-list{
  list-style:none;
  margin:0;
  padding:0;
  display:grid;
  gap:9px;
  font-size:14px;
  color:rgba(243,240,230,.82);
}
.page-faq .note-card-list li{
  position:relative;
  padding-left:16px;
}
.page-faq .note-card-list li::before{
  content:"";
  position:absolute;
  left:0;top:9px;
  width:7px;height:7px;
  border-radius:50%;
  background:var(--lime);
}
.page-faq .note-card-text{font-size:14px;color:rgba(243,240,230,.82)}

/* ---------- 排查 ---------- */
.page-faq .fix-grid{
  display:grid;
  gap:14px;
  margin-top:clamp(20px,3vw,28px);
}
.page-faq .fix-card{
  padding:clamp(16px,2.8vw,24px);
  border-radius:var(--r-lg);
  border:1px solid var(--line);
  background:rgba(14,42,34,.66);
  transition:transform .22s var(--ease),border-color .22s var(--ease);
}
.page-faq .fix-card:hover{transform:translateY(-3px);border-color:var(--line-lime)}
.page-faq .fix-card .chip{
  display:inline-block;
  padding:5px 12px;
  border-radius:var(--r-pill);
  font-family:var(--font-mono);
  font-size:11px;
  letter-spacing:.1em;
  border:1px solid var(--line);
  color:var(--ivory);
}
.page-faq .fix-card .chip-amber{border-color:rgba(242,180,65,.5);color:var(--amber)}
.page-faq .fix-card .chip-red{border-color:rgba(228,87,61,.5);color:var(--red)}
.page-faq .fix-card .chip-lime{border-color:var(--line-lime);color:var(--lime)}
.page-faq .fix-title{
  margin:14px 0 8px;
  font-size:16px;
  font-weight:700;
  color:var(--ivory);
}
.page-faq .fix-text{font-size:14px;color:rgba(243,240,230,.76)}

/* ---------- 收尾 ---------- */
.page-faq .faq-cta{
  margin-top:clamp(26px,4vw,44px);
  padding:clamp(22px,4vw,38px);
  border-radius:var(--r-xl);
  border:1px solid var(--line-lime);
  background:
    linear-gradient(120deg,rgba(200,255,61,.10),transparent 55%),
    linear-gradient(160deg,var(--stone),var(--night-deep));
  display:grid;
  gap:18px;
}
.page-faq .cta-title{
  margin:0;
  font-family:var(--font-display);
  font-weight:800;
  font-size:clamp(20px,3vw,28px);
  line-height:1.2;
  color:var(--ivory);
}
.page-faq .cta-text{margin-top:10px;font-size:14.5px;color:var(--mist)}
.page-faq .cta-actions{display:flex;flex-wrap:wrap;gap:12px}

/* ---------- 响应式 ---------- */
@media (min-width:760px){
  .page-faq .fix-grid{grid-template-columns:repeat(3,minmax(0,1fr))}
  .page-faq .faq-cta{grid-template-columns:minmax(0,1fr) auto;align-items:center}
  .page-faq .faq-cta .cta-text{max-width:52ch}
}
@media (min-width:860px){
  .page-faq .faq-split{grid-template-columns:minmax(0,1.15fr) minmax(0,.85fr);align-items:start;gap:32px}
}
@media (min-width:960px){
  .page-faq .faq-layout{
    grid-template-columns:minmax(0,1fr) var(--faq-rail-w);
    gap:clamp(32px,4vw,56px);
    align-items:start;
  }
  .page-faq .faq-rail{
    order:2;
    position:sticky;
    top:112px;
  }
  .page-faq .faq-main{order:1}
  .page-faq .rail-title{margin-bottom:12px}
  .page-faq .chapter-list{
    flex-direction:column;
    overflow:visible;
    padding-bottom:0;
    gap:6px;
  }
  .page-faq .chapter-link{
    width:100%;
    border-radius:var(--r-md);
    padding:11px 14px;
    white-space:normal;
    font-size:13.5px;
  }
}
@media (min-width:1100px){
  .page-faq .faq-hero-pills{gap:12px}
}
@media (max-width:520px){
  .page-faq .range-row{grid-template-columns:56px minmax(0,1fr);row-gap:4px}
  .page-faq .range-num{grid-column:2;font-size:11px}
  .page-faq .contact-value{font-size:13px}
}
@media (prefers-reduced-motion:reduce){
  .page-faq *{transition:none !important;animation:none !important}
}
<<<END>>>