.page-faq{
  --faq-gap: 24px;
  --faq-rule: var(--line);
}

/* ---------- 面包屑与首屏 ---------- */
.page-faq .breadcrumb{
  margin: 20px 0 0;
}

.page-faq .faq-hero{
  padding: 24px 0 34px;
  border-bottom: 1px solid var(--faq-rule);
}

.page-faq .faq-hero__title{
  font-family: var(--font-display);
  font-weight: 900;
  font-size: clamp(27px, 5.6vw, 50px);
  line-height: 1.16;
  letter-spacing: -.01em;
  color: var(--ink-900);
  margin: 12px 0 0;
  max-width: 18ch;
}

.page-faq .faq-hero__rule{
  display: block;
  width: 52px;
  height: 3px;
  background: var(--cinnabar-600);
  margin: 18px 0 16px;
}

.page-faq .faq-hero__lead{
  margin: 0;
  max-width: 60ch;
  color: var(--slate-600);
}

/* ---------- 区块骨架 ---------- */
.page-faq .faq-sec{
  padding: 42px 0;
}

.page-faq .faq-sec--alt{
  background: var(--paper-100);
}

.page-faq .faq-sec__intro{
  margin: 8px 0 0;
  max-width: 52ch;
  font-size: 15px;
  line-height: 1.7;
  color: var(--slate-600);
}

.page-faq .section__head{
  margin-bottom: 26px;
}

/* ---------- 步骤条 ---------- */
.page-faq .tut-steps{
  position: relative;
}

.page-faq .tut-input{
  position: absolute;
  width: 1px;
  height: 1px;
  margin: -1px;
  padding: 0;
  border: 0;
  overflow: hidden;
  clip: rect(0 0 0 0);
  clip-path: inset(50%);
  white-space: nowrap;
}

.page-faq .tut-bar{
  display: flex;
  gap: 8px;
  overflow-x: auto;
  padding-bottom: 10px;
  margin-bottom: 22px;
  scrollbar-width: thin;
}

.page-faq .tut-bar__item{
  flex: 0 0 auto;
  display: inline-flex;
  align-items: center;
  gap: 8px;
  padding: 9px 16px;
  border: 1px solid var(--faq-rule);
  border-radius: 999px;
  background: var(--paper-50);
  color: var(--slate-600);
  font-family: var(--font-heading);
  font-weight: 700;
  font-size: 14px;
  line-height: 1;
  cursor: pointer;
  transition: border-color .18s var(--ease), background-color .18s var(--ease), color .18s var(--ease);
}

.page-faq .tut-bar__num{
  font-size: 12px;
  color: var(--gold-600);
  letter-spacing: .06em;
}

.page-faq #tut-s1:checked ~ .tut-bar [for="tut-s1"],
.page-faq #tut-s2:checked ~ .tut-bar [for="tut-s2"],
.page-faq #tut-s3:checked ~ .tut-bar [for="tut-s3"]{
  color: var(--ink-900);
  border-color: var(--cinnabar-600);
  background: var(--paper-100);
}

.page-faq #tut-s1:checked ~ .tut-bar [for="tut-s1"] .tut-bar__num,
.page-faq #tut-s2:checked ~ .tut-bar [for="tut-s2"] .tut-bar__num,
.page-faq #tut-s3:checked ~ .tut-bar [for="tut-s3"] .tut-bar__num{
  color: var(--cinnabar-600);
}

.page-faq .tut-steps:has(#tut-s1:focus-visible) [for="tut-s1"],
.page-faq .tut-steps:has(#tut-s2:focus-visible) [for="tut-s2"],
.page-faq .tut-steps:has(#tut-s3:focus-visible) [for="tut-s3"]{
  outline: 2px solid var(--gold-600);
  outline-offset: 2px;
}

.page-faq .tut-panel{
  display: none;
  gap: var(--faq-gap);
  min-width: 0;
}

.page-faq #tut-s1:checked ~ .tut-panels #panel-s1,
.page-faq #tut-s2:checked ~ .tut-panels #panel-s2,
.page-faq #tut-s3:checked ~ .tut-panels #panel-s3{
  display: grid;
}

.page-faq .tut-panel__title{
  font-family: var(--font-heading);
  font-weight: 800;
  font-size: 19px;
  line-height: 1.4;
  color: var(--ink-900);
  margin: 0 0 12px;
}

.page-faq .tut-panel__text p{
  margin: 0 0 16px;
  font-size: 15.5px;
  line-height: 1.75;
  color: var(--slate-600);
  max-width: 58ch;
}

/* ---------- 深色模拟屏 ---------- */
.page-faq .tut-mock{
  background: var(--ink-900);
  border: 1px solid var(--ink-700);
  border-radius: 2px;
  padding: 24px 18px 18px;
  box-shadow: 0 20px 36px -30px rgba(20, 17, 15, .95);
  min-width: 0;
}

.page-faq .mock-note{
  margin: 18px 0 0;
  font-size: 12px;
  letter-spacing: .06em;
  line-height: 1.6;
  color: var(--slate-600);
  border-top: 1px solid rgba(215, 222, 229, .18);
  padding-top: 12px;
}

.page-faq .mock-band{
  display: flex;
  gap: 6px;
  align-items: flex-end;
}

.page-faq .mock-band span{
  flex: 1 1 0;
  height: 26px;
  background: rgba(215, 222, 229, .16);
  border-radius: 1px;
}

.page-faq .mock-band .is-on{
  height: 34px;
  background: var(--gold-600);
}

.page-faq .mock-caret{
  width: 0;
  height: 0;
  margin: 6px 0 0 34%;
  border-left: 7px solid transparent;
  border-right: 7px solid transparent;
  border-top: 8px solid var(--cinnabar-600);
}

.page-faq .mock-progress{
  display: flex;
  gap: 6px;
  margin-bottom: 18px;
}

.page-faq .mock-progress__seg{
  flex: 1 1 0;
  height: 6px;
  border-radius: 1px;
  background: rgba(215, 222, 229, .18);
}

.page-faq .mock-progress__seg.is-done{
  background: var(--gold-600);
}

.page-faq .mock-progress__seg.is-now{
  background: var(--amber-500);
}

.page-faq .mock-field{
  height: 30px;
  border: 1px solid rgba(215, 222, 229, .28);
  border-radius: 1px;
  margin-bottom: 10px;
}

.page-faq .mock-field--short{
  width: 62%;
}

.page-faq .mock-pair{
  display: grid;
  grid-template-columns: 1fr 1px 1fr;
  gap: 12px;
  align-items: stretch;
}

.page-faq .mock-col{
  display: grid;
  gap: 8px;
}

.page-faq .mock-col span{
  display: block;
  height: 14px;
  border-radius: 1px;
  background: rgba(215, 222, 229, .16);
}

.page-faq .mock-col span:first-child{
  height: 22px;
  background: rgba(184, 135, 58, .55);
}

.page-faq .mock-rope{
  background: var(--gold-600);
  position: relative;
}

.page-faq .mock-rope::before,
.page-faq .mock-rope::after{
  content: "";
  position: absolute;
  left: -3px;
  width: 7px;
  height: 7px;
  background: var(--cinnabar-600);
}

.page-faq .mock-rope::before{ top: -3px; }
.page-faq .mock-rope::after{ bottom: -3px; }

/* ---------- 编号步骤列表 ---------- */
.page-faq .faq-steps{
  list-style: none;
  margin: 0 0 16px;
  padding: 0;
  counter-reset: faqstep;
  display: grid;
  gap: 12px;
}

.page-faq .faq-steps li{
  position: relative;
  counter-increment: faqstep;
  padding-left: 44px;
  font-size: 15px;
  line-height: 1.7;
  color: var(--ink-900);
}

.page-faq .faq-steps li::before{
  content: counter(faqstep, decimal-leading-zero);
  position: absolute;
  left: 0;
  top: 0;
  width: 30px;
  height: 30px;
  display: flex;
  align-items: center;
  justify-content: center;
  font-family: var(--font-mono);
  font-weight: 700;
  font-size: 12px;
  color: var(--gold-600);
  border: 1px solid var(--line-strong);
  border-radius: 2px;
  background: var(--paper-50);
}

/* ---------- 左右分栏 ---------- */
.page-faq .faq-split{
  display: grid;
  gap: var(--faq-gap);
  min-width: 0;
}

.page-faq .faq-split__text{
  min-width: 0;
}

.page-faq .faq-split__text > p{
  margin: 0 0 16px;
  font-size: 15.5px;
  line-height: 1.78;
  color: var(--slate-600);
  max-width: 60ch;
}

.page-faq .faq-split__text .muted{
  font-size: 14px;
}

.page-faq .faq-split__text a{
  color: var(--ink-900);
  text-decoration: underline;
  text-decoration-color: var(--gold-600);
  text-underline-offset: 3px;
}

.page-faq .faq-split__text a:hover{
  color: var(--cinnabar-600);
  text-decoration-color: var(--cinnabar-600);
}

.page-faq .faq-inline-link{
  display: inline-block;
  margin-top: 4px;
  font-family: var(--font-heading);
  font-weight: 700;
  font-size: 14px;
  color: var(--ink-900);
  border-bottom: 2px solid var(--gold-600);
  padding-bottom: 2px;
}

.page-faq .faq-inline-link:hover{
  color: var(--cinnabar-600);
  border-bottom-color: var(--cinnabar-600);
}

/* ---------- 图片位 ---------- */
.page-faq .faq-figure{
  margin: 0;
  min-width: 0;
}

.page-faq .faq-figure img{
  display: block;
  width: 100%;
  height: auto;
  max-width: 100%;
  object-fit: cover;
  border: 1px solid var(--line-strong);
  border-radius: 2px;
  background: var(--paper-50);
  box-shadow: var(--shadow-card);
}

.page-faq .faq-figure--tall img{
  max-width: 420px;
}

.page-faq .faq-figure figcaption{
  margin-top: 10px;
  font-size: 12.5px;
  line-height: 1.65;
  letter-spacing: .02em;
  color: var(--slate-600);
  max-width: 46ch;
}

/* ---------- 说明卡 ---------- */
.page-faq .faq-note-card{
  border: 1px solid var(--line-strong);
  border-top: 3px solid var(--gold-600);
  border-radius: 2px;
  background: var(--paper-50);
  padding: 22px 20px;
  box-shadow: var(--shadow-card);
  align-self: start;
  min-width: 0;
}

.page-faq .faq-note-card--amber{
  border-top-color: var(--amber-500);
}

.page-faq .faq-note-card__label{
  margin: 0 0 16px;
  font-family: var(--font-heading);
  font-size: 12px;
  font-weight: 700;
  letter-spacing: .12em;
  color: var(--gold-600);
}

.page-faq .faq-note-card__foot{
  margin: 16px 0 18px;
  font-size: 13px;
  line-height: 1.7;
  color: var(--slate-600);
  border-top: 1px solid var(--line);
  padding-top: 14px;
}

.page-faq .faq-deflist{
  margin: 0;
}

.page-faq .faq-deflist dt{
  font-family: var(--font-heading);
  font-weight: 700;
  font-size: 14.5px;
  line-height: 1.55;
  color: var(--ink-900);
  padding-top: 14px;
  border-top: 1px solid var(--line);
}

.page-faq .faq-deflist dt:first-of-type{
  padding-top: 0;
  border-top: 0;
}

.page-faq .faq-deflist dd{
  margin: 6px 0 14px;
  font-size: 14px;
  line-height: 1.72;
  color: var(--slate-600);
}

.page-faq .faq-checks{
  list-style: none;
  margin: 0;
  padding: 0;
  display: grid;
  gap: 12px;
}

.page-faq .faq-checks li{
  display: flex;
  align-items: flex-start;
  gap: 10px;
  font-size: 14.5px;
  line-height: 1.7;
  color: var(--ink-900);
}

.page-faq .faq-checks__dot{
  flex: 0 0 auto;
  width: 9px;
  height: 9px;
  margin-top: 8px;
  background: var(--amber-500);
  border-radius: 1px;
}

/* ---------- 问答网格 ---------- */
.page-faq .faq-grid{
  display: grid;
  gap: 14px;
}

.page-faq .faq-item{
  border: 1px solid var(--line-strong);
  border-left: 3px solid var(--gold-600);
  border-radius: 2px;
  background: var(--paper-50);
  box-shadow: var(--shadow-card);
  transition: border-color .18s var(--ease), transform .18s var(--ease);
}

.page-faq .faq-item:hover{
  transform: translateY(-2px);
  border-color: var(--gold-600);
}

.page-faq .faq-item[open]{
  border-left-color: var(--cinnabar-600);
}

.page-faq .faq-item summary{
  position: relative;
  cursor: pointer;
  list-style: none;
  padding: 15px 42px 15px 16px;
  font-family: var(--font-heading);
  font-weight: 700;
  font-size: 15px;
  line-height: 1.55;
  color: var(--ink-900);
}

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

.page-faq .faq-item summary::after{
  content: "+";
  position: absolute;
  right: 15px;
  top: 50%;
  transform: translateY(-50%);
  font-family: var(--font-mono);
  font-weight: 700;
  font-size: 17px;
  line-height: 1;
  color: var(--gold-600);
}

.page-faq .faq-item[open] summary::after{
  content: "\2212";
  color: var(--cinnabar-600);
}

.page-faq .faq-item summary:focus-visible{
  outline: 2px solid var(--gold-600);
  outline-offset: -2px;
}

.page-faq .faq-item p{
  margin: 0 16px 16px;
  padding-top: 12px;
  border-top: 1px solid var(--line);
  font-size: 14px;
  line-height: 1.75;
  color: var(--slate-600);
}

/* ---------- 底部行动条 ---------- */
.page-faq .faq-cta{
  background: var(--ink-900);
  border-top: 1px solid var(--ink-700);
  padding: 38px 0;
}

.page-faq .faq-cta__inner{
  display: grid;
  gap: 20px;
  min-width: 0;
}

.page-faq .faq-cta__title{
  font-family: var(--font-heading);
  font-weight: 800;
  font-size: clamp(20px, 3.6vw, 27px);
  line-height: 1.4;
  color: var(--paper-50);
  margin: 0 0 12px;
}

.page-faq .faq-cta__text p{
  margin: 0;
  max-width: 56ch;
  font-size: 14.5px;
  line-height: 1.75;
  color: var(--slate-200);
}

.page-faq .faq-cta__btn{
  justify-self: start;
  align-self: center;
}

/* ---------- 响应式 ---------- */
@media (min-width: 680px){
  .page-faq .faq-sec{
    padding: 52px 0;
  }

  .page-faq .faq-cta__inner{
    grid-template-columns: minmax(0, 1fr) auto;
    align-items: center;
  }
}

@media (min-width: 900px){
  .page-faq .faq-sec{
    padding: 64px 0;
  }

  .page-faq .faq-hero{
    padding: 34px 0 42px;
  }

  .page-faq .tut-bar{
    display: grid;
    grid-template-columns: repeat(3, minmax(0, 1fr));
    gap: 0;
    overflow: visible;
    border-bottom: 1px solid var(--line-strong);
    padding-bottom: 0;
    margin-bottom: 28px;
  }

  .page-faq .tut-bar__item{
    border: 0;
    border-top: 2px solid var(--line);
    border-radius: 0;
    background: transparent;
    padding: 14px 18px 18px;
    justify-content: flex-start;
  }

  .page-faq #tut-s1:checked ~ .tut-bar [for="tut-s1"],
  .page-faq #tut-s2:checked ~ .tut-bar [for="tut-s2"],
  .page-faq #tut-s3:checked ~ .tut-bar [for="tut-s3"]{
    background: transparent;
    border-top-color: var(--cinnabar-600);
    border-bottom: 0;
  }

  .page-faq .tut-panel{
    grid-template-columns: minmax(0, 1.05fr) minmax(0, .95fr);
    align-items: start;
  }

  .page-faq .faq-split{
    grid-template-columns: minmax(0, 1fr) minmax(0, 1fr);
    gap: 34px;
  }

  .page-faq .faq-split--reverse .faq-split__text{
    order: 2;
  }

  .page-faq .faq-split--reverse .faq-note-card,
  .page-faq .faq-split--reverse .faq-figure{
    order: 1;
  }

  .page-faq .faq-figure--tall img{
    max-width: 100%;
  }
}

@media (min-width: 760px){
  .page-faq .faq-grid{
    display: block;
    columns: 2;
    column-gap: 18px;
  }

  .page-faq .faq-grid .faq-item{
    break-inside: avoid;
    margin: 0 0 14px;
  }
}

@media (prefers-reduced-motion: reduce){
  .page-faq .tut-bar__item,
  .page-faq .faq-item{
    transition: none;
  }

  .page-faq .faq-item:hover{
    transform: none;
  }
}
<<<END>>>