.page-faq{
  --faq-line: rgba(28,20,16,.07);
  --faq-grid: 44px;
  --faq-grid-lg: 56px;
  background-color: var(--paper);
}

/* ============ 首屏 ============ */
.page-faq .faq-hero{
  position: relative;
  overflow: hidden;
  background-color: var(--paper);
  background-image:
    linear-gradient(to right, var(--faq-line) 1px, transparent 1px),
    linear-gradient(to bottom, var(--faq-line) 1px, transparent 1px);
  background-size: var(--faq-grid) var(--faq-grid);
  padding: calc(var(--header-h) + 30px) 0 54px;
}

.page-faq .faq-hero::before{
  content: "";
  position: absolute;
  top: -140px;
  right: -150px;
  width: min(560px, 68vw);
  height: min(560px, 68vw);
  background: linear-gradient(140deg, rgba(255,77,0,.85) 0%, rgba(255,77,0,.42) 44%, rgba(255,179,0,.22) 58%, transparent 59%);
  transform: rotate(10deg);
  pointer-events: none;
}

.page-faq .faq-hero .wrap{
  position: relative;
  z-index: 1;
}

.page-faq .faq-hero__grid{
  display: grid;
  gap: 30px;
  margin-top: 22px;
}

.page-faq .faq-kicker{
  display: flex;
  align-items: center;
  gap: 12px;
  margin: 0 0 14px;
  font-family: var(--font-mono);
  font-size: 11px;
  letter-spacing: .2em;
  text-transform: uppercase;
}

.page-faq .faq-kicker__tag{
  color: var(--flame);
}

.page-faq .faq-kicker__line{
  flex: 0 0 44px;
  height: 2px;
  background: var(--flame);
}

.page-faq .faq-kicker__mono{
  color: var(--slate);
  letter-spacing: .12em;
}

.page-faq .faq-hero h1{
  margin: 0 0 18px;
  font-family: var(--font-display);
  font-weight: 800;
  font-size: clamp(2.1rem, 7.2vw, 4.1rem);
  line-height: 1.02;
  letter-spacing: -.02em;
  color: var(--ink);
}

.page-faq .faq-hero__mark{
  position: relative;
  display: inline-block;
}

.page-faq .faq-hero__mark::after{
  content: "";
  position: absolute;
  left: 0;
  right: 0;
  bottom: -3px;
  height: 7px;
  background: var(--flame);
  transform: skewX(-24deg);
}

.page-faq .faq-hero__lead{
  margin: 0;
  max-width: 58ch;
  font-size: 16px;
  line-height: 1.8;
  color: rgba(28,20,16,.84);
}

.page-faq .faq-hero__meta{
  display: flex;
  flex-wrap: wrap;
  gap: 8px;
  margin-top: 22px;
}

.page-faq .faq-hero__frame{
  border: 1px solid var(--line-strong);
  box-shadow: 12px 12px 0 rgba(11,30,58,.16);
  background: var(--sand);
}

.page-faq .faq-hero__frame img{
  display: block;
  width: 100%;
  height: auto;
  max-width: 100%;
  object-fit: cover;
}

/* ============ 三岔控制台 ============ */
.page-faq .faq-triage{
  position: relative;
  background: var(--navy);
  padding: 36px 0 62px;
}

.page-faq .faq-triage::before{
  content: "";
  position: absolute;
  left: 0;
  right: 0;
  top: -22px;
  height: 23px;
  background: var(--navy);
  clip-path: polygon(0 100%, 100% 0, 100% 100%);
}

.page-faq .faq-triage h2{
  margin: 0 0 8px;
  font-family: var(--font-display);
  font-weight: 800;
  font-size: clamp(1.5rem, 4.4vw, 2.35rem);
  line-height: 1.08;
  letter-spacing: -.01em;
  color: var(--white);
}

.page-faq .faq-triage__head p{
  margin: 0 0 26px;
  max-width: 56ch;
  font-size: 15px;
  line-height: 1.75;
  color: rgba(255,255,255,.72);
}

.page-faq .triage-grid{
  display: grid;
  gap: 14px;
}

.page-faq .triage-card{
  position: relative;
  display: grid;
  gap: 6px;
  background: var(--paper);
  color: var(--ink);
  padding: 20px 46px 20px 20px;
  text-decoration: none;
  border-top: 4px solid var(--flame);
  transition: transform .18s ease, box-shadow .18s ease;
}

.page-faq .triage-card:hover,
.page-faq .triage-card:focus-visible{
  transform: translateY(-4px);
  box-shadow: 0 12px 0 rgba(11,30,58,.34);
}

.page-faq .triage-card__num{
  font-family: var(--font-mono);
  font-size: 12px;
  font-weight: 500;
  letter-spacing: .16em;
  color: var(--flame);
}

.page-faq .triage-card__title{
  font-family: var(--font-display);
  font-weight: 800;
  font-size: 1.15rem;
  line-height: 1.2;
  letter-spacing: -.01em;
  color: var(--ink);
}

.page-faq .triage-card__desc{
  font-size: 14px;
  line-height: 1.7;
  color: rgba(28,20,16,.72);
}

.page-faq .triage-card__go{
  position: absolute;
  right: 16px;
  bottom: 14px;
  font-family: var(--font-mono);
  font-size: 20px;
  line-height: 1;
  color: var(--flame);
  transition: transform .18s ease;
}

.page-faq .triage-card:hover .triage-card__go{
  transform: translateX(4px);
}

/* ============ 问答主体 ============ */
.page-faq .faq-body{
  background-color: var(--paper);
  background-image:
    linear-gradient(to right, var(--faq-line) 1px, transparent 1px),
    linear-gradient(to bottom, var(--faq-line) 1px, transparent 1px);
  background-size: var(--faq-grid) var(--faq-grid);
  padding: 48px 0 64px;
}

.page-faq .faq-layout{
  display: grid;
  gap: 26px;
  align-items: start;
}

.page-faq .faq-index{
  background: var(--navy);
  padding: 18px 16px 16px;
}

.page-faq .faq-index__title{
  margin: 0;
  font-family: var(--font-mono);
  font-size: 11px;
  letter-spacing: .2em;
  text-transform: uppercase;
  color: var(--gold);
}

.page-faq .faq-index__list{
  list-style: none;
  margin: 14px 0 0;
  padding: 0;
  display: grid;
  gap: 2px;
}

.page-faq .faq-index__list a{
  display: flex;
  gap: 10px;
  align-items: baseline;
  padding: 10px 8px;
  font-size: 14px;
  line-height: 1.4;
  color: rgba(255,255,255,.82);
  text-decoration: none;
  border-left: 2px solid transparent;
  transition: background .18s ease, color .18s ease, border-color .18s ease;
}

.page-faq .faq-index__list a:hover,
.page-faq .faq-index__list a:focus-visible{
  background: rgba(255,255,255,.07);
  color: var(--white);
  border-left-color: var(--flame);
}

.page-faq .faq-index__num{
  font-family: var(--font-mono);
  font-size: 12px;
  color: var(--gold);
}

.page-faq .faq-index__foot{
  margin: 16px 0 0;
  padding-top: 12px;
  border-top: 1px solid var(--line-light);
  font-size: 13px;
  line-height: 1.7;
  color: rgba(255,255,255,.7);
}

.page-faq .faq-index__foot a{
  color: var(--gold);
  text-decoration: none;
  border-bottom: 1px solid var(--gold);
}

/* ---- 分组 ---- */
.page-faq .faq-group{
  scroll-margin-top: calc(var(--header-h) + 24px);
}

.page-faq .faq-group + .faq-group{
  margin-top: 42px;
}

.page-faq .faq-group__head{
  display: flex;
  gap: 14px;
  align-items: flex-start;
  padding-bottom: 12px;
  border-bottom: 2px solid var(--ink);
}

.page-faq .faq-group__num{
  font-family: var(--font-mono);
  font-size: clamp(1.5rem, 4.6vw, 2rem);
  font-weight: 500;
  line-height: 1;
  color: var(--flame);
  font-variant-numeric: tabular-nums;
}

.page-faq .faq-group__title{
  margin: 0;
  font-family: var(--font-display);
  font-weight: 800;
  font-size: clamp(1.25rem, 3.4vw, 1.8rem);
  line-height: 1.12;
  letter-spacing: -.01em;
  color: var(--ink);
}

.page-faq .faq-group__note{
  margin: 5px 0 0;
  font-size: 13px;
  line-height: 1.6;
  color: var(--slate);
}

.page-faq .faq-group__figure{
  margin: 20px 0 8px;
  max-width: 640px;
  border: 1px solid var(--line-strong);
  background: var(--sand);
}

.page-faq .faq-group__figure img{
  display: block;
  width: 100%;
  height: auto;
  max-width: 100%;
  object-fit: cover;
}

/* ---- 手风琴 ---- */
.page-faq .qa{
  position: relative;
  border-bottom: 1px solid var(--line);
}

.page-faq .qa::before{
  content: "";
  position: absolute;
  left: 0;
  top: 0;
  bottom: 0;
  width: 3px;
  background: var(--flame);
  transform: scaleY(0);
  transform-origin: top;
  transition: transform .25s ease;
}

.page-faq .qa[open]::before{
  transform: scaleY(1);
}

.page-faq .qa__q{
  position: relative;
  display: block;
  padding: 16px 40px 16px 14px;
  font-size: 15px;
  font-weight: 600;
  line-height: 1.55;
  color: var(--ink);
  cursor: pointer;
  list-style: none;
}

.page-faq .qa__q::-webkit-details-marker{
  display: none;
}

.page-faq .qa__q::after{
  content: "+";
  position: absolute;
  right: 12px;
  top: 14px;
  font-family: var(--font-mono);
  font-size: 20px;
  line-height: 1;
  color: var(--flame);
}

.page-faq .qa[open] .qa__q::after{
  content: "–";
}

.page-faq .qa__a{
  padding: 0 20px 20px 14px;
  font-size: 15px;
  line-height: 1.8;
  color: rgba(28,20,16,.84);
}

.page-faq .qa__a p{
  margin: 0 0 10px;
}

.page-faq .qa__a p:last-child{
  margin-bottom: 0;
}

.page-faq .qa__a a{
  color: var(--navy);
  font-weight: 600;
  text-decoration: underline;
  text-decoration-color: var(--flame);
  text-decoration-thickness: 2px;
  text-underline-offset: 3px;
}

.page-faq .qa__a a:hover{
  color: var(--flame);
}

.page-faq .qa__a ol{
  list-style: none;
  counter-reset: faq-step;
  margin: 10px 0 12px;
  padding: 0;
  display: grid;
  gap: 8px;
}

.page-faq .qa__a ol li{
  position: relative;
  padding-left: 30px;
}

.page-faq .qa__a ol li::before{
  counter-increment: faq-step;
  content: counter(faq-step, decimal-leading-zero);
  position: absolute;
  left: 0;
  top: .25em;
  font-family: var(--font-mono);
  font-size: 12px;
  font-weight: 600;
  color: var(--flame);
  font-variant-numeric: tabular-nums;
}

.page-faq .qa__a ul{
  list-style: none;
  margin: 10px 0 12px;
  padding: 0;
  display: grid;
  gap: 6px;
}

.page-faq .qa__a ul li{
  position: relative;
  padding-left: 18px;
}

.page-faq .qa__a ul li::before{
  content: "—";
  position: absolute;
  left: 0;
  color: var(--flame);
}

/* ============ 收口 ============ */
.page-faq .faq-cta{
  background-color: var(--sand);
  padding: 0 0 64px;
}

.page-faq .faq-cta .wrap{
  padding-top: 0;
}

.page-faq .faq-cta__panel{
  background: var(--navy);
  border-left: 6px solid var(--flame);
  padding: 30px 22px;
  display: grid;
  gap: 22px;
}

.page-faq .faq-cta__panel h2{
  margin: 0 0 10px;
  font-family: var(--font-display);
  font-weight: 800;
  font-size: clamp(1.35rem, 3.8vw, 2rem);
  line-height: 1.14;
  letter-spacing: -.01em;
  color: var(--white);
}

.page-faq .faq-cta__panel p{
  margin: 0;
  max-width: 62ch;
  font-size: 15px;
  line-height: 1.8;
  color: rgba(255,255,255,.76);
}

.page-faq .faq-cta__actions{
  display: flex;
  flex-wrap: wrap;
  gap: 12px;
}

.page-faq .faq-cta__actions .btn--ghost{
  color: var(--white);
  border-color: rgba(255,255,255,.5);
}

.page-faq .faq-cta__actions .btn--ghost:hover{
  border-color: var(--gold);
  color: var(--gold);
}

/* ============ 响应式 ============ */
@media (min-width: 720px){
  .page-faq .triage-grid{
    grid-template-columns: repeat(3, minmax(0,1fr));
    gap: 16px;
    padding-bottom: 44px;
  }

  .page-faq .triage-card:nth-child(2){
    margin-top: 24px;
  }

  .page-faq .triage-card:nth-child(3){
    margin-top: 48px;
  }

  .page-faq .faq-group__figure{
    margin-top: 24px;
  }

  .page-faq .faq-cta__panel{
    grid-template-columns: minmax(0,1fr) auto;
    align-items: center;
    padding: 38px 36px;
  }
}

@media (min-width: 900px){
  .page-faq .faq-hero{
    padding: calc(var(--header-h) + 44px) 0 72px;
    background-size: var(--faq-grid-lg) var(--faq-grid-lg);
  }

  .page-faq .faq-hero__grid{
    grid-template-columns: minmax(0,1.12fr) minmax(0,.88fr);
    gap: 52px;
    align-items: center;
    margin-top: 30px;
  }

  .page-faq .faq-hero__lead{
    font-size: 17px;
  }

  .page-faq .faq-triage{
    padding: 38px 0 72px;
  }

  .page-faq .faq-body{
    padding: 60px 0 80px;
    background-size: var(--faq-grid-lg) var(--faq-grid-lg);
  }

  .page-faq .faq-layout{
    grid-template-columns: 258px minmax(0,1fr);
    gap: 48px;
  }

  .page-faq .faq-index{
    position: sticky;
    top: calc(var(--header-h) + 18px);
  }

  .page-faq .qa__q{
    font-size: 16px;
    padding: 18px 46px 18px 18px;
  }

  .page-faq .qa__q::after{
    right: 16px;
    top: 16px;
  }

  .page-faq .qa__a{
    padding: 0 46px 22px 18px;
  }

  .page-faq .faq-cta{
    padding-bottom: 80px;
  }
}

@media (prefers-reduced-motion: reduce){
  .page-faq .triage-card,
  .page-faq .triage-card__go,
  .page-faq .qa::before,
  .page-faq .faq-index__list a{
    transition: none;
  }

  .page-faq .triage-card:hover{
    transform: none;
  }

  .page-faq .triage-card:hover .triage-card__go{
    transform: none;
  }
}
<<<END>>>