.page-faq{
  --faq-gap: clamp(18px, 3.4vw, 34px);
  --faq-panel: var(--ink-900);
  --faq-raise: var(--ink-800);
}

.page-faq a{ color: var(--lime); text-decoration: none; }
.page-faq a:hover{ text-decoration: underline; text-underline-offset: 3px; }

/* ---------- 首屏 ---------- */
.page-faq .faq-hero{
  position: relative;
  padding: clamp(24px, 5vw, 56px) 0 clamp(28px, 4.5vw, 52px);
  border-bottom: var(--border);
  background:
    radial-gradient(circle at 84% 6%, rgba(200, 255, 61, .12), transparent 46%),
    radial-gradient(circle at 6% 92%, rgba(117, 224, 192, .08), transparent 40%),
    repeating-linear-gradient(90deg, rgba(243, 247, 234, .035) 0 1px, transparent 1px 72px),
    linear-gradient(180deg, var(--ink-950), var(--ink-900));
  overflow: hidden;
}

.page-faq .faq-hero__grid{
  display: grid;
  grid-template-columns: minmax(0, 1fr);
  gap: clamp(22px, 4vw, 40px);
  align-items: end;
  margin-top: clamp(18px, 3vw, 30px);
}

.page-faq .faq-hero__lead h1{
  margin: 10px 0 0;
  font-family: var(--font-display);
  font-weight: 300;
  font-size: clamp(36px, 8.4vw, 84px);
  line-height: .98;
  letter-spacing: -.01em;
  color: var(--paper);
  text-wrap: balance;
}
.page-faq .faq-hero__lead h1 span{
  display: block;
  color: var(--sand);
  font-weight: 700;
  font-size: .72em;
  padding-top: .12em;
}

.page-faq .faq-hero__intro{
  margin: 18px 0 0;
  max-width: 54ch;
  font-size: 16px;
  line-height: 1.78;
  color: var(--mute);
}

.page-faq .faq-hero__meta{
  display: flex;
  flex-wrap: wrap;
  gap: 10px 26px;
  margin-top: 26px;
  padding-top: 18px;
  border-top: var(--hair);
}
.page-faq .faq-hero__stat{
  display: flex;
  align-items: baseline;
  gap: 8px;
}
.page-faq .faq-hero__stat .sk-num{
  font-family: var(--font-mono);
  font-variant-numeric: tabular-nums;
  font-size: 30px;
  font-weight: 700;
  color: var(--lime);
  line-height: 1;
}
.page-faq .faq-hero__stat-label{
  font-size: 12px;
  letter-spacing: .06em;
  color: var(--mute);
}

.page-faq .faq-hero__media{
  border: var(--border);
  border-radius: var(--r-md);
  background: var(--ink-900);
  box-shadow: var(--shadow-hard);
  overflow: hidden;
  margin: 0;
}
.page-faq .faq-hero__media img{
  display: block;
  width: 100%;
  height: auto;
  max-width: 100%;
  object-fit: cover;
  filter: saturate(.85) contrast(1.05);
}
.page-faq .faq-hero__media .sk-media__caption{
  display: block;
  padding: 10px 14px;
  border-top: var(--border);
  font-family: var(--font-mono);
  font-size: 11px;
  letter-spacing: .1em;
  text-transform: uppercase;
  color: var(--mute);
}

/* ---------- 定位条 ---------- */
.page-faq .faq-locator{
  margin-top: clamp(22px, 3.6vw, 36px);
  padding: 16px 18px;
  display: flex;
  flex-direction: column;
  gap: 12px;
  border: var(--border);
  border-radius: var(--r-md);
  background: rgba(13, 42, 32, .9);
  box-shadow: var(--shadow-hard);
  backdrop-filter: blur(2px);
}
.page-faq .faq-locator__label{
  margin: 0;
  font-family: var(--font-mono);
  font-size: 11px;
  letter-spacing: .16em;
  text-transform: uppercase;
  color: var(--sand);
}
.page-faq .faq-locator__tags{
  list-style: none;
  margin: 0;
  padding: 0;
  display: flex;
  flex-wrap: wrap;
  gap: 8px;
}
.page-faq .faq-locator__tags a.sk-tag{
  display: inline-flex;
  align-items: center;
  border: 2px solid var(--ink-700);
  border-radius: var(--r-pill);
  padding: 6px 14px;
  font-size: 13px;
  color: var(--sand);
  background: transparent;
  transition: border-color var(--dur) var(--ease), color var(--dur) var(--ease),
              background var(--dur) var(--ease), transform var(--dur) var(--ease);
}
.page-faq .faq-locator__tags a.sk-tag:hover,
.page-faq .faq-locator__tags a.sk-tag:focus-visible{
  border-color: var(--lime);
  background: var(--lime);
  color: var(--ink-950);
  text-decoration: none;
  transform: translateY(-2px);
}

/* ---------- 速查双栏 ---------- */
.page-faq .faq-qa{
  border-bottom: var(--hair);
}
.page-faq .faq-qa__head h2,
.page-faq .faq-steps__head h2,
.page-faq .faq-export__flow h2,
.page-faq .faq-filter__head h2,
.page-faq .faq-support__check h2{
  margin: 8px 0 0;
  font-family: var(--font-display);
  font-size: clamp(26px, 4.6vw, 46px);
  font-weight: 700;
  line-height: 1.08;
  letter-spacing: -.005em;
  color: var(--paper);
}
.page-faq .faq-qa__sub,
.page-faq .faq-steps__sub{
  margin: 10px 0 0;
  max-width: 56ch;
  font-size: 15px;
  line-height: 1.75;
  color: var(--mute);
}

.page-faq .faq-qa__grid{
  display: grid;
  grid-template-columns: minmax(0, 1fr);
  gap: var(--faq-gap);
  margin-top: clamp(22px, 3.6vw, 36px);
}

.page-faq .faq-index{
  border: var(--border);
  border-radius: var(--r-md);
  background: var(--faq-panel);
  padding: 16px 16px 14px;
}
.page-faq .faq-index__caption{
  margin: 0 0 10px;
  font-family: var(--font-mono);
  font-size: 11px;
  letter-spacing: .16em;
  text-transform: uppercase;
  color: var(--lime);
}
.page-faq .faq-index__list{
  list-style: none;
  margin: 0;
  padding: 0;
}
.page-faq .faq-index__link{
  display: flex;
  gap: 10px;
  align-items: baseline;
  padding: 9px 0;
  border-top: var(--hair);
  font-size: 14px;
  color: var(--mute);
  transition: color var(--dur) var(--ease), padding-left var(--dur) var(--ease);
}
.page-faq .faq-index__link:hover,
.page-faq .faq-index__link:focus-visible{
  color: var(--lime);
  padding-left: 6px;
  text-decoration: none;
}
.page-faq .faq-index__num{
  font-family: var(--font-mono);
  font-variant-numeric: tabular-nums;
  font-size: 12px;
  color: var(--ink-700);
  filter: brightness(2.2);
}
.page-faq .faq-index__note{
  margin: 12px 0 0;
  padding-top: 12px;
  border-top: var(--hair);
  font-size: 12px;
  line-height: 1.65;
  color: var(--mute);
}

/* ---------- 手风琴 ---------- */
.page-faq .faq-q{
  border: var(--border);
  border-radius: var(--r-md);
  background: var(--faq-panel);
  margin-bottom: 14px;
  transition: border-color var(--dur) var(--ease), background var(--dur) var(--ease),
              box-shadow var(--dur) var(--ease);
}
.page-faq .faq-q[open]{
  border-color: var(--lime);
  background: var(--faq-raise);
  box-shadow: var(--shadow-hard);
}
.page-faq .faq-q summary{
  display: grid;
  grid-template-columns: auto minmax(0, 1fr) auto;
  gap: 12px;
  align-items: center;
  padding: 15px 16px;
  cursor: pointer;
  list-style: none;
}
.page-faq .faq-q summary::-webkit-details-marker{ display: none; }
.page-faq .faq-q summary::marker{ content: ""; }
.page-faq .faq-q summary:focus-visible{
  outline: 2px solid var(--mint);
  outline-offset: 3px;
}
.page-faq .faq-q__num{
  font-family: var(--font-mono);
  font-variant-numeric: tabular-nums;
  font-size: 12px;
  font-weight: 700;
  color: var(--ink-950);
  background: var(--sand);
  border-radius: var(--r-xs);
  padding: 3px 7px;
  line-height: 1.2;
}
.page-faq .faq-q[open] .faq-q__num{
  background: var(--lime);
}
.page-faq .faq-q__title{
  font-size: 15px;
  font-weight: 600;
  line-height: 1.5;
  color: var(--paper);
}
.page-faq .faq-q__icon{
  position: relative;
  width: 18px;
  height: 18px;
  border: 2px solid var(--ink-700);
  border-radius: var(--r-xs);
  flex: none;
}
.page-faq .faq-q__icon::before,
.page-faq .faq-q__icon::after{
  content: "";
  position: absolute;
  left: 50%;
  top: 50%;
  background: var(--lime);
  transform: translate(-50%, -50%);
  transition: transform var(--dur) var(--ease);
}
.page-faq .faq-q__icon::before{ width: 8px; height: 2px; }
.page-faq .faq-q__icon::after{ width: 2px; height: 8px; }
.page-faq .faq-q[open] .faq-q__icon::after{ transform: translate(-50%, -50%) scaleY(0); }

.page-faq .faq-q__body{
  padding: 0 16px 18px;
  border-top: var(--hair);
  margin-top: 2px;
  padding-top: 14px;
  font-size: 15px;
  line-height: 1.78;
  color: var(--mute);
}
.page-faq .faq-q__body p{ margin: 0 0 10px; }
.page-faq .faq-q__body p:last-child{ margin-bottom: 0; }
.page-faq .faq-q__body ul{
  margin: 0 0 10px;
  padding: 0;
  list-style: none;
}
.page-faq .faq-q__body li{
  position: relative;
  padding-left: 18px;
  margin-bottom: 6px;
}
.page-faq .faq-q__body li::before{
  content: "";
  position: absolute;
  left: 0;
  top: .62em;
  width: 7px;
  height: 7px;
  background: var(--mint);
  border-radius: 1px;
}
.page-faq .faq-q__more{
  margin-top: 12px;
  font-family: var(--font-mono);
  font-size: 12px;
  letter-spacing: .06em;
}

/* ---------- 旧版本三步 ---------- */
.page-faq .faq-steps{
  background: linear-gradient(180deg, var(--ink-950), #04130E);
}
.page-faq .faq-steps__grid{
  display: grid;
  grid-template-columns: minmax(0, 1fr);
  gap: 14px;
  margin-top: clamp(22px, 3.4vw, 34px);
}
.page-faq .faq-step{
  border: var(--border);
  border-radius: var(--r-md);
  background: var(--faq-panel);
  padding: 18px 16px;
  position: relative;
  transition: transform var(--dur) var(--ease), border-color var(--dur) var(--ease);
}
.page-faq .faq-step:hover{
  border-color: var(--ink-700);
  transform: translateY(-3px);
}
.page-faq .faq-step__num{
  display: block;
  font-family: var(--font-mono);
  font-variant-numeric: tabular-nums;
  font-size: 34px;
  font-weight: 700;
  line-height: 1;
  color: transparent;
  -webkit-text-stroke: 1px var(--lime);
}
.page-faq .faq-step h3{
  margin: 10px 0 6px;
  font-family: var(--font-display);
  font-size: 20px;
  font-weight: 700;
  color: var(--paper);
}
.page-faq .faq-step p{
  margin: 0;
  font-size: 14px;
  line-height: 1.75;
  color: var(--mute);
}
.page-faq .faq-steps__note{
  margin: 20px 0 0;
  padding: 14px 16px;
  border-left: 3px solid var(--sand);
  background: rgba(233, 199, 126, .06);
  font-size: 14px;
  line-height: 1.8;
  color: var(--mute);
}

/* ---------- 导出 ---------- */
.page-faq .faq-export{
  border-top: var(--border);
  border-bottom: var(--border);
  background:
    repeating-linear-gradient(0deg, rgba(243, 247, 234, .03) 0 1px, transparent 1px 60px),
    var(--faq-panel);
}
.page-faq .faq-export__grid{
  display: grid;
  grid-template-columns: minmax(0, 1fr);
  gap: clamp(22px, 4vw, 44px);
  align-items: start;
}
.page-faq .faq-export__intro{
  margin: 12px 0 0;
  max-width: 52ch;
  font-size: 15px;
  line-height: 1.78;
  color: var(--mute);
}
.page-faq .faq-flow{
  list-style: none;
  margin: 22px 0 0;
  padding: 0;
  display: grid;
  grid-template-columns: minmax(0, 1fr);
  gap: 14px;
}
.page-faq .faq-flowcard{
  border: var(--border);
  border-radius: var(--r-md);
  background: var(--ink-950);
  padding: 16px;
}
.page-faq .faq-flowcard:first-child{
  border-color: var(--lime);
  box-shadow: var(--shadow-hard);
}
.page-faq .faq-flowcard__num{
  display: inline-block;
  font-family: var(--font-mono);
  font-variant-numeric: tabular-nums;
  font-size: 12px;
  font-weight: 700;
  letter-spacing: .1em;
  color: var(--ink-950);
  background: var(--lime);
  border-radius: var(--r-xs);
  padding: 3px 8px;
}
.page-faq .faq-flowcard:last-child .faq-flowcard__num{
  background: var(--ink-700);
  color: var(--paper);
}
.page-faq .faq-flowcard h3{
  margin: 12px 0 6px;
  font-family: var(--font-display);
  font-size: 20px;
  font-weight: 700;
  color: var(--paper);
}
.page-faq .faq-flowcard p{
  margin: 0;
  font-size: 14px;
  line-height: 1.75;
  color: var(--mute);
}

.page-faq .faq-export__media{
  margin: 0;
  border: var(--border);
  border-radius: var(--r-md);
  background: var(--ink-950);
  overflow: hidden;
  box-shadow: var(--shadow-soft);
}
.page-faq .faq-export__media img{
  display: block;
  width: 100%;
  height: auto;
  max-width: 100%;
  object-fit: cover;
}
.page-faq .faq-export__media .sk-media__caption{
  display: block;
  padding: 10px 14px;
  border-top: var(--hair);
  font-family: var(--font-mono);
  font-size: 11px;
  letter-spacing: .08em;
  color: var(--mute);
}
.page-faq .faq-export__formats{
  list-style: none;
  margin: 0;
  padding: 12px 14px;
  display: flex;
  flex-wrap: wrap;
  gap: 8px;
  border-top: var(--border);
}
.page-faq .faq-export__formats li{
  font-family: var(--font-mono);
  font-size: 11px;
  letter-spacing: .08em;
  text-transform: uppercase;
  color: var(--sand);
  border: 1px solid var(--ink-700);
  border-radius: var(--r-pill);
  padding: 4px 10px;
}

/* ---------- 筛选疑问 ---------- */
.page-faq .faq-filter__list{
  margin-top: clamp(18px, 3vw, 28px);
  border: var(--border);
  border-radius: var(--r-md);
  background: var(--faq-panel);
  overflow: hidden;
}
.page-faq .faq-filter__item{
  padding: 16px;
  border-bottom: var(--hair);
  display: grid;
  grid-template-columns: minmax(0, 1fr);
  gap: 8px;
}
.page-faq .faq-filter__item:last-child{ border-bottom: 0; }
.page-faq .faq-filter__q{
  margin: 0;
  font-size: 15px;
  font-weight: 600;
  line-height: 1.55;
  color: var(--paper);
}
.page-faq .faq-filter__a{
  margin: 0;
  font-size: 14px;
  line-height: 1.78;
  color: var(--mute);
}
.page-faq .faq-filter__more{
  margin: 18px 0 0;
  font-size: 14px;
  line-height: 1.8;
  color: var(--mute);
}

/* ---------- 支持 ---------- */
.page-faq .faq-support{
  border-top: var(--border);
  background:
    radial-gradient(circle at 12% 10%, rgba(233, 199, 126, .1), transparent 42%),
    var(--ink-950);
}
.page-faq .faq-support__grid{
  display: grid;
  grid-template-columns: minmax(0, 1fr);
  gap: clamp(22px, 4vw, 40px);
  align-items: start;
}
.page-faq .faq-support__intro{
  margin: 12px 0 18px;
  font-size: 15px;
  line-height: 1.78;
  color: var(--mute);
}
.page-faq .faq-support__check ul{
  list-style: none;
  margin: 0;
  padding: 0;
}
.page-faq .faq-support__check li{
  position: relative;
  padding: 10px 0 10px 26px;
  border-top: var(--hair);
  font-size: 14px;
  line-height: 1.7;
  color: var(--mute);
}
.page-faq .faq-support__check li::before{
  content: "";
  position: absolute;
  left: 0;
  top: 16px;
  width: 10px;
  height: 10px;
  border: 2px solid var(--lime);
  border-radius: 1px;
}
.page-faq .faq-support__check li span{
  display: block;
  font-family: var(--font-mono);
  font-size: 12px;
  letter-spacing: .06em;
  color: var(--sand);
  margin-bottom: 2px;
}

.page-faq .faq-contact{
  border: var(--border);
  border-radius: var(--r-md);
  background: var(--faq-raise);
  padding: 20px 18px;
  box-shadow: var(--shadow-hard);
}
.page-faq .faq-contact__caption{
  margin: 0 0 14px;
  font-family: var(--font-mono);
  font-size: 11px;
  letter-spacing: .12em;
  text-transform: uppercase;
  color: var(--mint);
}
.page-faq .faq-contact .sk-contact__list{
  list-style: none;
  margin: 0;
  padding: 0;
}
.page-faq .faq-contact .sk-contact__item{
  display: grid;
  grid-template-columns: 52px minmax(0, 1fr);
  gap: 10px;
  padding: 10px 0;
  border-top: var(--hair);
  align-items: baseline;
}
.page-faq .faq-contact .sk-contact__key{
  font-family: var(--font-mono);
  font-size: 11px;
  letter-spacing: .12em;
  color: var(--ink-700);
  filter: brightness(2.4);
}
.page-faq .faq-contact .sk-contact__val{
  font-family: var(--font-mono);
  font-size: 14px;
  line-height: 1.6;
  color: var(--paper);
  overflow-wrap: anywhere;
}
.page-faq .faq-contact__note{
  margin: 14px 0 0;
  padding-top: 12px;
  border-top: var(--hair);
  font-size: 13px;
  line-height: 1.72;
  color: var(--mute);
}
.page-faq .faq-contact__actions{
  display: flex;
  flex-wrap: wrap;
  gap: 10px;
  margin-top: 16px;
}

/* ---------- 桌面 ---------- */
@media (min-width: 860px){
  .page-faq .faq-hero__grid{
    grid-template-columns: minmax(0, 1.18fr) minmax(0, .82fr);
    gap: clamp(28px, 4vw, 56px);
  }
  .page-faq .faq-locator{
    flex-direction: row;
    align-items: center;
    gap: 20px;
    padding: 14px 20px;
  }
  .page-faq .faq-locator__label{
    flex: none;
    padding-right: 20px;
    border-right: var(--hair);
    align-self: stretch;
    display: flex;
    align-items: center;
  }
  .page-faq .faq-qa__grid{
    grid-template-columns: 236px minmax(0, 1fr);
    gap: clamp(28px, 4vw, 52px);
    align-items: start;
  }
  .page-faq .faq-index{
    position: sticky;
    top: 104px;
    padding: 18px 18px 16px;
  }
  .page-faq .faq-steps__grid{
    grid-template-columns: repeat(3, minmax(0, 1fr));
    gap: 18px;
  }
  .page-faq .faq-export__grid{
    grid-template-columns: minmax(0, 1.05fr) minmax(0, .95fr);
  }
  .page-faq .faq-flow{
    grid-template-columns: repeat(2, minmax(0, 1fr));
  }
  .page-faq .faq-filter__item{
    grid-template-columns: minmax(0, .85fr) minmax(0, 1.15fr);
    gap: 24px;
    padding: 18px 22px;
    align-items: start;
  }
  .page-faq .faq-support__grid{
    grid-template-columns: minmax(0, 1.1fr) minmax(0, .9fr);
    gap: clamp(28px, 4vw, 56px);
  }
  .page-faq .faq-q summary{
    padding: 18px 20px;
  }
  .page-faq .faq-q__body{
    padding: 16px 20px 22px;
  }
  .page-faq .faq-q__title{
    font-size: 16px;
  }
}

@media (min-width: 1180px){
  .page-faq .faq-hero__lead h1{
    font-size: clamp(64px, 7vw, 96px);
  }
}

@media (prefers-reduced-motion: reduce){
  .page-faq *{
    transition: none !important;
  }
}
<<<END>>>