.page-faq{
  --faq-zebra: rgba(255,90,43,.07);
  --faq-line: var(--rule-300);
  --faq-pad: clamp(18px,3vw,28px);
  background: var(--paper-000);
  color: var(--ink-900);
}

.page-faq .faq-crumbs{ padding-top: 18px; }

.page-faq .crumbs{
  font-size: 13px;
  letter-spacing: .02em;
  color: var(--ink-500);
}
.page-faq .crumbs a{
  color: var(--ink-500);
  text-decoration: none;
  transition: color .18s var(--ease);
}
.page-faq .crumbs a:hover,
.page-faq .crumbs a:focus-visible{ color: var(--ember-700); }
.page-faq .crumbs__sep{ margin: 0 8px; color: var(--rule-300); }
.page-faq .crumbs__current{ color: var(--ink-900); font-weight: 700; }

/* ---------- 首屏 ---------- */
.page-faq .faq-hero{
  margin-top: 20px;
  padding: clamp(36px,6vw,76px) 0 0;
  background:
    radial-gradient(120% 92% at 10% 0%, rgba(255,90,43,.44) 0%, rgba(255,90,43,0) 58%),
    radial-gradient(88% 70% at 92% 6%, rgba(255,226,213,.30) 0%, rgba(255,226,213,0) 62%),
    linear-gradient(158deg, var(--ink-900) 0%, var(--ink-700) 64%, var(--ink-500) 100%);
  color: var(--paper-000);
  overflow: hidden;
}

.page-faq .faq-hero__eyebrow{
  color: var(--gold-300);
}

.page-faq .faq-hero__title{
  margin: 14px 0 0;
  font-family: var(--font-display);
  font-weight: 900;
  font-size: clamp(34px, 7vw, 82px);
  line-height: 1.06;
  letter-spacing: -0.02em;
  color: var(--white);
}

.page-faq .faq-hero__lead{
  max-width: 36em;
  margin: 20px 0 0;
  font-size: clamp(15px,1.6vw,17px);
  line-height: 1.85;
  color: rgba(251,246,239,.84);
}

.page-faq .faq-hero__bar{
  margin-top: clamp(26px,4vw,44px);
  padding: 18px var(--faq-pad);
  background: var(--paper-000);
  color: var(--ink-900);
  border-top: 3px solid var(--ember-500);
  border-radius: var(--radius-card) var(--radius-card) 0 0;
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  justify-content: space-between;
  gap: 14px 24px;
}

.page-faq .faq-hero__chips{
  flex: 1 1 300px;
  display: flex;
  flex-wrap: wrap;
  gap: 7px;
  margin: 0;
  padding: 0;
  list-style: none;
}
.page-faq .faq-hero__chips li{
  padding: 6px 12px;
  font-family: var(--font-mono);
  font-size: 11.5px;
  letter-spacing: .04em;
  color: var(--ember-700);
  background: var(--ember-100);
  border: 1px solid rgba(201,58,16,.18);
  border-radius: var(--radius-pill);
  white-space: nowrap;
}

.page-faq .faq-hero__cta{ flex: 0 0 auto; }

/* ---------- 主体骨架 ---------- */
.page-faq .faq-shell{
  display: grid;
  grid-template-columns: minmax(0,1fr);
  gap: 30px;
  padding-top: clamp(32px,5vw,60px);
  padding-bottom: clamp(48px,7vw,96px);
}

.page-faq .faq-toc{
  border-top: 2px solid var(--ink-900);
  padding-top: 14px;
}
.page-faq .faq-toc__title{ margin: 0 0 10px; }
.page-faq .faq-toc__list{
  display: flex;
  flex-wrap: wrap;
  gap: 8px 14px;
  margin: 0;
  padding: 0;
  list-style: none;
}
.page-faq .faq-toc__link{
  display: inline-flex;
  align-items: baseline;
  gap: 7px;
  font-size: 13.5px;
  color: var(--ink-700);
  text-decoration: none;
  padding: 3px 0;
  transition: color .18s var(--ease);
}
.page-faq .faq-toc__link:hover,
.page-faq .faq-toc__link:focus-visible{ color: var(--ember-700); }
.page-faq .faq-toc__no{
  font-family: var(--font-mono);
  font-size: 11px;
  letter-spacing: .06em;
  color: var(--ember-700);
}
.page-faq .faq-toc__note{
  margin: 14px 0 0;
  font-size: 12px;
  line-height: 1.7;
  color: var(--ink-500);
}
.page-faq .faq-toc__stamp{
  font-family: var(--font-mono);
  color: var(--ink-900);
}

.page-faq .faq-sec{ margin-top: clamp(38px,5.5vw,68px); }
.page-faq .faq-main > .faq-sec:first-child{ margin-top: 0; }

.page-faq .faq-sec__head{
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  gap: 10px 14px;
  padding-bottom: 12px;
  border-bottom: 2px solid var(--ink-900);
}
.page-faq .faq-sec__no{
  font-family: var(--font-mono);
  font-size: 12px;
  letter-spacing: .06em;
  padding: 4px 10px;
  color: var(--paper-000);
  background: var(--ink-900);
  border-radius: var(--radius-pill);
}
.page-faq .faq-sec__head .section-title{
  margin: 0;
  font-family: var(--font-display);
  font-weight: 900;
  font-size: clamp(20px,2.8vw,29px);
  line-height: 1.22;
  letter-spacing: -0.02em;
  color: var(--ink-900);
}

.page-faq .faq-lead{
  margin: 16px 0 0;
  max-width: 38em;
  font-size: 15px;
  line-height: 1.85;
  color: var(--ink-500);
}

/* ---------- 图片 ---------- */
.page-faq .faq-figure{ margin: 18px 0 0; }
.page-faq .faq-figure img{
  display: block;
  width: 100%;
  height: auto;
  max-width: 100%;
  object-fit: cover;
  border: 1px solid var(--faq-line);
  border-radius: var(--radius-img);
  background: var(--paper-100);
}
.page-faq .media__caption{
  margin-top: 8px;
  font-family: var(--font-mono);
  font-size: 11.5px;
  line-height: 1.7;
  letter-spacing: .02em;
  color: var(--ink-500);
}

/* ---------- 对照表 ---------- */
.page-faq .faq-table__wrap{
  margin-top: 18px;
  overflow-x: auto;
  background: var(--white);
  border: 1px solid var(--faq-line);
  border-radius: var(--radius-img);
  -webkit-overflow-scrolling: touch;
}
.page-faq .faq-table__caption{
  padding: 12px 14px 0;
  font-family: var(--font-mono);
  font-size: 11.5px;
  letter-spacing: .05em;
  text-align: left;
  color: var(--ink-500);
}
.page-faq .faq-table{
  width: 100%;
  min-width: 660px;
  border-collapse: collapse;
  font-size: 13.5px;
}
.page-faq .faq-table thead th{
  padding: 11px 14px;
  text-align: left;
  white-space: nowrap;
  font-family: var(--font-mono);
  font-size: 11.5px;
  font-weight: 500;
  letter-spacing: .05em;
  color: var(--paper-000);
  background: var(--ink-900);
}
.page-faq .faq-table tbody th,
.page-faq .faq-table tbody td{
  padding: 12px 14px;
  text-align: left;
  vertical-align: top;
  line-height: 1.65;
  border-top: 1px solid var(--faq-line);
}
.page-faq .faq-table tbody th{
  font-weight: 700;
  color: var(--ink-900);
  white-space: nowrap;
}
.page-faq .faq-table tbody td{ color: var(--ink-500); }
.page-faq .faq-table tbody tr:nth-child(even){ background: var(--faq-zebra); }
.page-faq .faq-table tbody tr:hover{ background: var(--ember-100); }
.page-faq .faq-dim__no{
  display: inline-block;
  margin-right: 8px;
  font-family: var(--font-mono);
  font-size: 11.5px;
  font-weight: 400;
  letter-spacing: .05em;
  color: var(--ember-700);
}

/* ---------- 栏目清单 ---------- */
.page-faq .faq-cols{
  margin-top: 20px;
  display: grid;
  grid-template-columns: minmax(0,1fr);
  gap: 26px;
}
.page-faq .faq-ledger{
  margin: 0;
  padding: 0;
  list-style: none;
}
.page-faq .ledger__item{
  display: grid;
  grid-template-columns: 34px minmax(0,1fr);
  align-items: start;
  gap: 6px 12px;
  padding: 13px 0;
  border-top: 1px solid var(--faq-line);
}
.page-faq .faq-ledger .ledger__item:last-child{ border-bottom: 1px solid var(--faq-line); }
.page-faq .ledger__no{
  font-family: var(--font-mono);
  font-size: 12.5px;
  letter-spacing: .05em;
  color: var(--ember-700);
  padding-top: 3px;
}
.page-faq .ledger__title{
  margin: 0;
  font-size: 15px;
  font-weight: 700;
  line-height: 1.5;
  color: var(--ink-900);
}
.page-faq .ledger__desc{
  margin: 3px 0 0;
  font-size: 12.5px;
  line-height: 1.7;
  color: var(--ink-500);
}
.page-faq .faq-copy{
  grid-column: 2;
  justify-self: start;
  margin-top: 6px;
  padding: 6px 12px;
  font-family: var(--font-mono);
  font-size: 11px;
  letter-spacing: .04em;
  white-space: nowrap;
  color: var(--ink-500);
  background: var(--white);
  border: 1px solid var(--rule-300);
  border-radius: var(--radius-pill);
  cursor: pointer;
  transition: background .18s var(--ease), color .18s var(--ease), border-color .18s var(--ease);
}
.page-faq .faq-copy:hover,
.page-faq .faq-copy:focus-visible{
  color: var(--ember-700);
  background: var(--ember-100);
  border-color: var(--ember-500);
}
.page-faq .faq-copy[data-copied="true"]{
  color: var(--ink-900);
  background: var(--mint-400);
  border-color: var(--mint-400);
}
.page-faq .faq-figure--side img{
  border-radius: var(--radius-img);
  border: 1px solid var(--faq-line);
}
.page-faq .faq-figure--side{ margin-top: 4px; }

/* ---------- 折叠问答 ---------- */
.page-faq .faq-groups{ margin-top: 22px; }
.page-faq .faq-group + .faq-group{ margin-top: 26px; }
.page-faq .faq-group__title{
  display: flex;
  align-items: center;
  gap: 12px;
  margin: 0 0 10px;
  font-family: var(--font-mono);
  font-size: 11.5px;
  font-weight: 500;
  letter-spacing: .08em;
  color: var(--ink-500);
}
.page-faq .faq-group__title::after{
  content: "";
  flex: 1 1 auto;
  height: 1px;
  background: var(--faq-line);
}

.page-faq .faq-item{
  padding: 0 var(--faq-pad);
  background: var(--white);
  border: 1px solid var(--rule-300);
  border-radius: var(--radius-img);
  transition: border-color .18s var(--ease), box-shadow .18s var(--ease);
}
.page-faq .faq-item + .faq-item{ margin-top: 10px; }
.page-faq .faq-item[open]{
  border-color: var(--ember-500);
  box-shadow: inset 4px 0 0 var(--mint-400), var(--shadow-float);
}
.page-faq .faq-item summary{
  display: flex;
  align-items: baseline;
  gap: 12px;
  padding: 15px 0;
  list-style: none;
  cursor: pointer;
  font-size: 15px;
  font-weight: 700;
  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: "+";
  margin-left: auto;
  font-family: var(--font-mono);
  font-size: 18px;
  line-height: 1;
  color: var(--ember-700);
}
.page-faq .faq-item[open] summary::after{ content: "–"; }
.page-faq .faq-item p{
  max-width: 42em;
  margin: 0 0 16px;
  font-size: 14px;
  line-height: 1.85;
  color: var(--ink-500);
}

/* ---------- 三步自查 ---------- */
.page-faq .faq-steps{
  margin: 22px 0 0;
  padding: 0;
  list-style: none;
  display: grid;
  grid-template-columns: minmax(0,1fr);
  gap: 12px;
}
.page-faq .faq-step{
  position: relative;
  padding: 18px var(--faq-pad);
  background: var(--paper-100);
  border: 1px solid var(--rule-300);
  border-radius: var(--radius-card);
}
.page-faq .faq-step__no{
  font-family: var(--font-mono);
  font-size: 11px;
  letter-spacing: .08em;
  color: var(--ember-700);
}
.page-faq .faq-step__title{
  margin: 7px 0 0;
  font-size: 16.5px;
  font-weight: 800;
  line-height: 1.4;
  letter-spacing: -0.01em;
  color: var(--ink-900);
}
.page-faq .faq-step p{
  margin: 8px 0 0;
  font-size: 13.5px;
  line-height: 1.8;
  color: var(--ink-500);
}

/* ---------- 工单准备 ---------- */
.page-faq .faq-ticket{
  margin-top: 20px;
  padding: var(--faq-pad);
  background: var(--ink-900);
  background-image:
    radial-gradient(110% 92% at 100% 0%, rgba(255,90,43,.32) 0%, rgba(255,90,43,0) 56%),
    radial-gradient(90% 70% at 0% 100%, rgba(47,199,154,.18) 0%, rgba(47,199,154,0) 60%);
  color: var(--paper-000);
  border-radius: var(--radius-card);
  display: grid;
  grid-template-columns: minmax(0,1fr);
  gap: 24px;
}
.page-faq .faq-ticket__list{
  margin: 0;
  padding: 0;
  list-style: none;
}
.page-faq .faq-ticket__list li{
  display: grid;
  grid-template-columns: 34px minmax(0,1fr);
  gap: 10px;
  padding: 12px 0;
  font-size: 13.5px;
  line-height: 1.75;
  color: rgba(251,246,239,.86);
  border-top: 1px solid rgba(251,246,239,.16);
}
.page-faq .faq-ticket__list li:first-child{
  border-top: 0;
  padding-top: 0;
}
.page-faq .faq-ticket__no{
  font-family: var(--font-mono);
  font-size: 11.5px;
  letter-spacing: .06em;
  color: var(--gold-300);
  padding-top: 3px;
}
.page-faq .faq-ticket__list strong{
  color: var(--white);
  font-weight: 700;
}
.page-faq .faq-ticket__cta p{
  margin: 0 0 14px;
  font-size: 13.5px;
  line-height: 1.8;
  color: rgba(251,246,239,.84);
}

/* ---------- 平板及以上 ---------- */
@media (min-width: 640px){
  .page-faq .ledger__item{
    grid-template-columns: 34px minmax(0,1fr) auto;
    align-items: center;
    gap: 12px;
  }
  .page-faq .faq-copy{
    grid-column: 3;
    margin-top: 0;
  }
  .page-faq .faq-ticket{
    grid-template-columns: minmax(0,1.45fr) minmax(0,.75fr);
    align-items: center;
    gap: 32px;
  }
}

@media (min-width: 860px){
  .page-faq .faq-cols{
    grid-template-columns: minmax(0,1.18fr) minmax(0,.82fr);
    gap: 32px;
    align-items: start;
  }
  .page-faq .faq-steps{
    grid-template-columns: repeat(3, minmax(0,1fr));
    gap: 30px;
  }
  .page-faq .faq-step + .faq-step::before{
    content: "";
    position: absolute;
    left: -19px;
    top: 50%;
    width: 9px;
    height: 9px;
    border-top: 2px solid var(--ember-500);
    border-right: 2px solid var(--ember-500);
    transform: translateY(-50%) rotate(45deg);
  }
}

@media (min-width: 960px){
  .page-faq .faq-shell{
    grid-template-columns: 232px minmax(0,1fr);
    gap: 54px;
    align-items: start;
  }
  .page-faq .faq-toc{
    position: sticky;
    top: var(--toc-top);
    border-top: 0;
    border-left: 3px solid var(--ember-500);
    padding: 2px 0 0 18px;
  }
  .page-faq .faq-toc__list{
    display: block;
  }
  .page-faq .faq-toc__list li + li{ margin-top: 11px; }
  .page-faq .faq-table__wrap{ overflow: visible; }
  .page-faq .faq-table thead th{
    position: sticky;
    top: var(--toc-top);
    z-index: 2;
  }
}

@media (prefers-reduced-motion: reduce){
  .page-faq *{
    transition-duration: .12s !important;
  }
}
<<<END>>>