.page-faq{
  --faq-line: 2px solid var(--ink);
  background: var(--ivory);
  color: var(--ink);
  font-family: var(--font-body);
  padding-bottom: 64px;
  overflow-x: hidden;
}
.page-faq .breadcrumb{
  padding: 18px 0 2px;
  font-size: 13px;
}
.page-faq h1,
.page-faq .faq-h2,
.page-faq .section-title{
  font-family: var(--font-display);
  letter-spacing: -0.02em;
  color: var(--ink);
}
.page-faq .eyebrow{
  font-family: var(--font-mono);
  font-size: 12px;
  letter-spacing: 0.08em;
  text-transform: uppercase;
  color: var(--velvet);
}

/* ---------- 首屏 ---------- */
.page-faq .faq-hero{
  display: grid;
  gap: 28px;
  padding: 14px 0 36px;
  border-bottom: var(--faq-line);
}
.page-faq h1{
  font-size: clamp(29px, 5.4vw, 50px);
  line-height: 1.13;
  margin: 12px 0 16px;
  max-width: 20ch;
}
.page-faq .faq-hero .lede{
  font-size: 16px;
  line-height: 1.78;
  color: var(--ink-soft);
  max-width: 48ch;
}
.page-faq .faq-hero-actions{
  display: flex;
  flex-wrap: wrap;
  gap: 12px;
  margin-top: 26px;
}
.page-faq .faq-hero-panel{
  position: relative;
  border: var(--faq-line);
  box-shadow: var(--shadow-hard);
  background:
    radial-gradient(circle at 20% 16%, rgba(179, 18, 75, 0.26), transparent 58%),
    radial-gradient(circle at 84% 82%, rgba(200, 169, 106, 0.42), transparent 56%),
    var(--blush);
  padding: 20px;
}
.page-faq .faq-hero-panel svg{
  display: block;
  width: 100%;
  height: auto;
  max-width: 420px;
  margin: 0 auto;
}

/* ---------- 三步自查横条 ---------- */
.page-faq .step-band{
  margin-top: 40px;
  padding: 24px 20px;
  border: var(--faq-line);
  box-shadow: var(--shadow-hard);
  background:
    linear-gradient(180deg, var(--paper) 0%, var(--paper) 62%, #FFF9F6 100%);
}
.page-faq .step-band-head{
  border-bottom: 1px dashed var(--champagne);
  padding-bottom: 16px;
  margin-bottom: 8px;
}
.page-faq .step-band .section-title{
  font-size: clamp(22px, 3.4vw, 30px);
  line-height: 1.24;
  margin: 0 0 8px;
}
.page-faq .step-band .section-note{
  font-size: 14px;
  line-height: 1.7;
  color: var(--slate);
  max-width: 62ch;
  margin: 0;
}
.page-faq .step-list{
  list-style: none;
  margin: 0;
  padding: 0;
}
.page-faq .step-item{
  padding: 18px 0 4px;
  border-bottom: 1px solid rgba(20, 16, 15, 0.12);
}
.page-faq .step-item:last-child{
  border-bottom: 0;
  padding-bottom: 0;
}
.page-faq .step-num{
  display: block;
  font-size: 34px;
  line-height: 1;
  color: var(--velvet);
  letter-spacing: 0.02em;
}
.page-faq .step-title{
  font-family: var(--font-body);
  font-weight: 700;
  font-size: 16px;
  line-height: 1.5;
  margin: 10px 0 6px;
}
.page-faq .step-text{
  font-size: 14.5px;
  line-height: 1.72;
  color: var(--ink-soft);
  margin: 0;
}

/* ---------- 索引 + 正文 ---------- */
.page-faq .faq-body{
  display: grid;
  gap: 30px;
  margin-top: 44px;
}
.page-faq .faq-index{
  border: var(--faq-line);
  box-shadow: var(--shadow-hard);
  background: var(--blush);
  padding: 20px 18px;
}
.page-faq .faq-index-title{
  font-family: var(--font-mono);
  font-size: 12px;
  letter-spacing: 0.1em;
  text-transform: uppercase;
  color: var(--velvet-deep);
  margin: 0 0 12px;
}
.page-faq .faq-index-list{
  list-style: none;
  margin: 0;
  padding: 0;
}
.page-faq .faq-index-list li + li{
  margin-top: 6px;
}
.page-faq .faq-index-link{
  display: block;
  padding: 10px 12px;
  border-left: 4px solid var(--ink);
  background: var(--paper);
  color: var(--ink);
  font-size: 15px;
  font-weight: 600;
  text-decoration: none;
  transition: border-color 160ms var(--ease), transform 160ms var(--ease), box-shadow 160ms var(--ease);
}
.page-faq .faq-index-link:hover,
.page-faq .faq-index-link:focus-visible{
  border-left-color: var(--velvet);
  transform: translateX(3px);
  box-shadow: 3px 3px 0 rgba(20, 16, 15, 0.22);
}
.page-faq .faq-index-link:focus-visible{
  outline: 3px solid var(--champagne);
  outline-offset: 2px;
}
.page-faq .faq-index-foot{
  margin: 16px 0 0;
  font-size: 13px;
  line-height: 1.65;
  color: var(--ink-soft);
}
.page-faq .faq-index-foot a{
  color: var(--velvet-deep);
  text-decoration: underline;
  text-decoration-thickness: 2px;
}

/* ---------- 章节 ---------- */
.page-faq .faq-section + .faq-section{
  margin-top: 48px;
}
.page-faq .faq-section-head{
  border-left: 6px solid var(--velvet);
  padding-left: 14px;
  margin-bottom: 18px;
}
.page-faq .faq-sec-num{
  display: block;
  font-size: 12px;
  letter-spacing: 0.14em;
  color: var(--champagne);
  margin-bottom: 4px;
}
.page-faq .faq-h2{
  font-size: clamp(23px, 3.6vw, 32px);
  line-height: 1.22;
  margin: 0 0 8px;
}
.page-faq .faq-section-note{
  margin: 0;
  font-size: 14.5px;
  line-height: 1.7;
  color: var(--slate);
  max-width: 60ch;
}

/* ---------- 手风琴 ---------- */
.page-faq .qa{
  margin-top: 4px;
}
.page-faq .qa-item{
  border: var(--faq-line);
  background: var(--paper);
  box-shadow: 3px 3px 0 rgba(20, 16, 15, 0.16);
  transition: box-shadow 160ms var(--ease), transform 160ms var(--ease);
}
.page-faq .qa-item + .qa-item{
  margin-top: 12px;
}
.page-faq .qa-item[open]{
  box-shadow: var(--shadow-hard);
  border-color: var(--ink);
}
.page-faq .qa-item:hover{
  transform: translateY(-2px);
}
.page-faq .qa-q{
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 16px;
  padding: 16px 16px;
  cursor: pointer;
  font-size: 15.5px;
  font-weight: 600;
  line-height: 1.5;
  list-style: none;
}
.page-faq .qa-q::-webkit-details-marker{
  display: none;
}
.page-faq .qa-q:focus-visible{
  outline: 3px solid var(--champagne);
  outline-offset: -3px;
}
.page-faq .qa-mark{
  position: relative;
  flex: none;
  width: 16px;
  height: 16px;
}
.page-faq .qa-mark::before,
.page-faq .qa-mark::after{
  content: "";
  position: absolute;
  inset: 0;
  margin: auto;
  background: var(--velvet);
  border-radius: 1px;
}
.page-faq .qa-mark::before{
  width: 14px;
  height: 2px;
}
.page-faq .qa-mark::after{
  width: 2px;
  height: 14px;
  transition: transform 160ms var(--ease);
}
.page-faq .qa-item[open] .qa-mark::after{
  transform: scaleY(0);
}
.page-faq .qa-a{
  padding: 0 16px 18px;
  border-top: 1px dashed var(--champagne);
  margin-top: 0;
  padding-top: 14px;
  font-size: 15px;
  line-height: 1.78;
  color: var(--ink-soft);
}
.page-faq .qa-a p{
  margin: 0 0 10px;
  max-width: 62ch;
}
.page-faq .qa-a p:last-child{
  margin-bottom: 0;
}

/* ---------- 30 天保留示意 ---------- */
.page-faq .hold-meter{
  margin-top: 20px;
  border: var(--faq-line);
  background: var(--ivory);
  padding: 16px;
}
.page-faq .hold-meter-title{
  margin: 0 0 10px;
  font-size: 13px;
  letter-spacing: 0.06em;
  color: var(--velvet-deep);
}
.page-faq .hold-bar{
  display: flex;
  gap: 4px;
  list-style: none;
  margin: 0;
  padding: 0;
}
.page-faq .hold-bar li{
  flex: 1;
  height: 16px;
  background: var(--velvet);
  border: 1px solid var(--velvet-deep);
}
.page-faq .hold-bar li:nth-child(6),
.page-faq .hold-bar li:nth-child(7),
.page-faq .hold-bar li:nth-child(8){
  background: var(--champagne);
  border-color: #A98B4C;
}
.page-faq .hold-bar li:nth-child(9),
.page-faq .hold-bar li:nth-child(10){
  background: var(--blush);
  border: 1px dashed var(--stone);
}
.page-faq .hold-legend{
  display: flex;
  justify-content: space-between;
  gap: 8px;
  margin: 10px 0 0;
  font-size: 11.5px;
  color: var(--slate);
}

/* ---------- 配图 ---------- */
.page-faq .faq-figure{
  margin: 22px 0 0;
  border: var(--faq-line);
  box-shadow: var(--shadow-hard);
  background: var(--blush);
  padding: 10px;
}
.page-faq .faq-figure img{
  display: block;
  width: 100%;
  max-width: 100%;
  height: auto;
  object-fit: cover;
  border: 1px solid rgba(20, 16, 15, 0.25);
  background: var(--paper);
}
.page-faq .faq-figure figcaption{
  font-family: var(--font-mono);
  font-size: 12px;
  line-height: 1.6;
  color: var(--velvet-deep);
  padding: 10px 4px 2px;
}

/* ---------- 失败原因 ---------- */
.page-faq .fail-grid{
  list-style: none;
  margin: 18px 0 0;
  padding: 0;
  display: grid;
  gap: 14px;
}
.page-faq .fail-card{
  --fail-accent: var(--velvet);
  border: var(--faq-line);
  border-top: 8px solid var(--fail-accent);
  background: var(--paper);
  box-shadow: var(--shadow-hard);
  padding: 16px 16px 18px;
}
.page-faq .fail-card--net{
  --fail-accent: var(--clay);
}
.page-faq .fail-card--block{
  --fail-accent: var(--slate);
}
.page-faq .fail-num{
  font-size: 26px;
  line-height: 1;
  color: var(--fail-accent);
}
.page-faq .fail-title{
  font-family: var(--font-body);
  font-size: 16.5px;
  font-weight: 700;
  margin: 10px 0 8px;
}
.page-faq .fail-text{
  margin: 0 0 12px;
  font-size: 14.5px;
  line-height: 1.72;
  color: var(--ink-soft);
}
.page-faq .fail-fix{
  margin: 0;
  font-size: 14px;
  line-height: 1.7;
  color: var(--ink);
  border-top: 1px dashed rgba(20, 16, 15, 0.25);
  padding-top: 10px;
}
.page-faq .fail-fix .mono{
  display: inline-block;
  font-size: 11.5px;
  letter-spacing: 0.08em;
  color: var(--paper);
  background: var(--fail-accent);
  padding: 2px 6px;
  margin-right: 6px;
}

/* ---------- 人工支持 ---------- */
.page-faq .faq-support{
  margin-top: 48px;
  border: var(--faq-line);
  box-shadow: var(--shadow-hard-lg);
  background:
    radial-gradient(circle at 88% 6%, rgba(179, 18, 75, 0.4), transparent 54%),
    var(--cocoa);
  color: var(--ivory);
  padding: 26px 20px 24px;
}
.page-faq .faq-h2--light{
  color: var(--ivory);
  margin-bottom: 12px;
}
.page-faq .support-lede{
  margin: 0 0 20px;
  font-size: 15px;
  line-height: 1.78;
  color: rgba(251, 246, 243, 0.82);
  max-width: 62ch;
}
.page-faq .support-grid{
  display: grid;
  gap: 12px;
}
.page-faq .support-card{
  border: 1px solid rgba(200, 169, 106, 0.55);
  border-left: 4px solid var(--champagne);
  background: rgba(251, 246, 243, 0.06);
  padding: 14px 14px 16px;
}
.page-faq .support-key{
  margin: 0 0 6px;
  font-size: 11.5px;
  letter-spacing: 0.12em;
  color: var(--champagne);
}
.page-faq .support-val{
  margin: 0;
  font-size: 14.5px;
  line-height: 1.72;
  color: var(--ivory);
}
.page-faq .support-actions{
  display: flex;
  flex-wrap: wrap;
  gap: 12px;
  margin-top: 22px;
}
.page-faq .faq-support .btn--ghost{
  color: var(--ivory);
  border-color: var(--champagne);
}

/* ---------- 断点 ---------- */
@media (min-width: 640px){
  .page-faq .step-band{
    padding: 30px 26px;
  }
  .page-faq .qa-q{
    padding: 18px 20px;
    font-size: 16px;
  }
  .page-faq .qa-a{
    padding: 16px 20px 20px;
  }
  .page-faq .fail-grid{
    grid-template-columns: repeat(2, minmax(0, 1fr));
  }
  .page-faq .support-grid{
    grid-template-columns: repeat(2, minmax(0, 1fr));
  }
}

@media (min-width: 880px){
  .page-faq .faq-hero{
    grid-template-columns: minmax(0, 1.15fr) minmax(0, 0.85fr);
    gap: 48px;
    align-items: center;
    padding: 34px 0 54px;
  }
  .page-faq .faq-hero .lede{
    font-size: 18px;
  }
  .page-faq .faq-hero-panel{
    padding: 26px;
  }
  .page-faq .step-list{
    display: grid;
    grid-template-columns: repeat(3, minmax(0, 1fr));
    margin-top: 6px;
  }
  .page-faq .step-item{
    border-bottom: 0;
    border-left: 1px dashed rgba(20, 16, 15, 0.2);
    padding: 18px 20px 4px;
  }
  .page-faq .step-item:first-child{
    border-left: 0;
    padding-left: 0;
  }
  .page-faq .step-item:last-child{
    padding-right: 0;
  }
  .page-faq .step-num{
    font-size: 40px;
  }
  .page-faq .fail-grid{
    grid-template-columns: repeat(3, minmax(0, 1fr));
  }
}

@media (min-width: 960px){
  .page-faq .faq-body{
    grid-template-columns: 236px minmax(0, 1fr);
    gap: 48px;
    align-items: start;
  }
  .page-faq .faq-index{
    position: sticky;
    top: calc(var(--bar-h) + 18px);
  }
  .page-faq .faq-section + .faq-section{
    margin-top: 56px;
  }
  .page-faq .faq-support{
    padding: 34px 32px 30px;
    position: relative;
  }
  .page-faq .support-grid{
    grid-template-columns: repeat(3, minmax(0, 1fr));
  }
  .page-faq .faq-figure--wide{
    margin-top: 26px;
  }
}

@media (prefers-reduced-motion: reduce){
  .page-faq .qa-item,
  .page-faq .qa-mark::after,
  .page-faq .faq-index-link{
    transition: none;
  }
  .page-faq .qa-item:hover{
    transform: none;
  }
}
<<<END>>>