.page-faq {
  --faq-radius: 2px;
  --faq-pad: 18px;
  background: var(--paper);
  color: var(--text);
  font-family: var(--font-sans);
  overflow-x: hidden;
}

/* 面包屑 */
.page-faq .breadcrumbs {
  padding-top: 14px;
  font-size: 12px;
}
.page-faq .breadcrumbs ol {
  display: flex;
  flex-wrap: wrap;
  gap: 6px;
  margin: 0;
  padding: 0;
  list-style: none;
  color: var(--blue);
}
.page-faq .breadcrumbs li + li::before {
  content: "/";
  margin-right: 6px;
  color: var(--line);
}
.page-faq .breadcrumbs a {
  color: var(--blue);
  text-decoration: none;
  border-bottom: 1px solid transparent;
  transition: border-color var(--t-fast) linear;
}
.page-faq .breadcrumbs a:hover {
  border-bottom-color: var(--orange);
}

/* 首屏 */
.page-faq .faq-hero {
  position: relative;
  border-bottom: 1px solid var(--line);
  background-color: var(--paper);
  background-image:
    linear-gradient(to right, rgba(140, 154, 166, 0.22) 1px, transparent 1px),
    linear-gradient(to bottom, rgba(140, 154, 166, 0.22) 1px, transparent 1px);
  background-size: 40px 40px;
}
.page-faq .faq-hero-grid {
  display: grid;
  gap: 26px;
  padding-block: 24px 36px;
}
.page-faq .faq-kicker {
  display: inline-block;
  margin: 0;
  padding: 5px 11px;
  border-radius: 999px;
  background: var(--mint);
  color: var(--ink);
  font-family: var(--font-mono);
  font-size: 11px;
  font-weight: 600;
  letter-spacing: 0.14em;
  text-transform: uppercase;
}
.page-faq h1 {
  margin: 14px 0 14px;
  font-size: clamp(32px, 8.5vw, 52px);
  font-weight: 900;
  line-height: 1.06;
  letter-spacing: -0.01em;
  color: var(--ink);
}
.page-faq .faq-lead {
  max-width: 42ch;
  margin: 0;
  font-size: 16px;
  line-height: 1.85;
  color: var(--text);
}
.page-faq .faq-hero-actions {
  display: flex;
  flex-wrap: wrap;
  gap: 10px;
  margin-top: 22px;
}
.page-faq .faq-hero-actions .btn {
  border-radius: var(--faq-radius);
}
.page-faq .faq-hero-num {
  display: flex;
  flex-direction: column;
  gap: 6px;
  padding-top: 14px;
  border-top: 2px solid var(--ink);
}
.page-faq .faq-big {
  font-family: var(--font-mono);
  font-size: clamp(66px, 21vw, 132px);
  font-weight: 600;
  line-height: 0.86;
  color: var(--ink);
  font-variant-numeric: tabular-nums;
  letter-spacing: -0.03em;
}
.page-faq .faq-big-label {
  font-size: 11px;
  font-weight: 700;
  letter-spacing: 0.16em;
  text-transform: uppercase;
  color: var(--blue);
}

/* 章节通用 */
.page-faq .faq-sec-head {
  display: flex;
  flex-wrap: wrap;
  align-items: baseline;
  gap: 10px 14px;
  margin-bottom: 4px;
}
.page-faq .faq-sec-head h2 {
  margin: 0;
  font-size: clamp(20px, 5vw, 28px);
  font-weight: 800;
  line-height: 1.2;
  color: var(--ink);
}

/* 五类索引 */
.page-faq .faq-cats {
  padding-block: 34px 6px;
}
.page-faq .faq-cat-list {
  display: grid;
  gap: 8px;
  margin: 20px 0 0;
  padding: 0;
  list-style: none;
}
.page-faq .faq-cat-list a {
  display: grid;
  grid-template-columns: auto 1fr auto;
  grid-template-areas:
    "idx name count"
    "desc desc desc";
  gap: 6px 10px;
  align-items: baseline;
  padding: 14px 16px;
  border: 1px solid var(--line);
  border-radius: var(--faq-radius);
  background: var(--paper);
  color: var(--text);
  text-decoration: none;
  transition: border-color var(--t-fast) linear, background-color var(--t-fast) linear;
}
.page-faq .faq-cat-list a:hover,
.page-faq .faq-cat-list a:focus-visible {
  border-color: var(--orange);
  background: var(--grid);
}
.page-faq .faq-cat-idx {
  grid-area: idx;
  font-family: var(--font-mono);
  font-size: 11px;
  font-weight: 600;
  letter-spacing: 0.06em;
  color: var(--paper);
  background: var(--sea);
  padding: 2px 6px;
  border-radius: 1px;
}
.page-faq .faq-cat-name {
  grid-area: name;
  font-size: 16px;
  font-weight: 800;
  color: var(--ink);
  letter-spacing: 0.02em;
}
.page-faq .faq-cat-count {
  grid-area: count;
  font-family: var(--font-mono);
  font-size: 11px;
  font-weight: 600;
  color: var(--mint-deep);
  background: var(--mint);
  padding: 2px 7px;
  border-radius: 999px;
  white-space: nowrap;
}
.page-faq .faq-cat-desc {
  grid-area: desc;
  font-size: 13px;
  line-height: 1.7;
  color: var(--blue);
}

/* 图片 */
.page-faq .faq-figure {
  margin: 26px 0 0;
}
.page-faq .faq-figure .media img {
  display: block;
  width: 100%;
  max-width: 100%;
  height: auto;
  object-fit: cover;
}
.page-faq .faq-figure .media-cap {
  display: block;
  margin-top: 8px;
  font-size: 12px;
  line-height: 1.7;
  color: var(--blue);
  border-left: 2px solid var(--orange);
  padding-left: 10px;
}

/* 问题分组 */
.page-faq .faq-group {
  padding-block: 38px;
  border-top: 1px solid var(--line);
  scroll-margin-top: 90px;
}
.page-faq .faq-group--tint {
  background: var(--grid);
  border-top-color: var(--line);
}
.page-faq .faq-group-head {
  display: grid;
  grid-template-columns: auto 1fr;
  gap: 12px;
  align-items: start;
  margin-bottom: 14px;
}
.page-faq .faq-group-idx {
  font-family: var(--font-mono);
  font-size: 12px;
  font-weight: 600;
  letter-spacing: 0.04em;
  color: var(--paper);
  background: var(--sea);
  padding: 3px 8px;
  border-radius: 1px;
}
.page-faq .faq-group-title h2 {
  margin: 0 0 8px;
  font-size: clamp(21px, 5vw, 30px);
  font-weight: 800;
  line-height: 1.18;
  color: var(--ink);
}
.page-faq .faq-group-title p {
  margin: 0;
  max-width: 46ch;
  font-size: 14px;
  line-height: 1.8;
  color: var(--blue);
}

/* 手风琴 */
.page-faq .faq-list {
  border-top: 1px solid var(--line);
}
.page-faq .faq-item {
  border-bottom: 1px solid var(--line);
}
.page-faq .faq-item summary {
  position: relative;
  display: flex;
  gap: 10px;
  align-items: flex-start;
  padding: 15px 34px 15px 0;
  list-style: none;
  cursor: pointer;
  font-size: 15.5px;
  font-weight: 700;
  line-height: 1.6;
  color: var(--ink);
  transition: color var(--t-fast) linear;
}
.page-faq .faq-item summary::-webkit-details-marker {
  display: none;
}
.page-faq .faq-item summary::after {
  content: "+";
  position: absolute;
  right: 4px;
  top: 12px;
  font-family: var(--font-mono);
  font-size: 20px;
  font-weight: 600;
  line-height: 1;
  color: var(--blue);
  transition: color var(--t-fast) linear, transform var(--t-fast) linear;
}
.page-faq .faq-item summary:hover {
  color: var(--blue);
}
.page-faq .faq-item[open] summary {
  color: var(--ink);
}
.page-faq .faq-item[open] summary::after {
  content: "−";
  color: var(--orange);
}
.page-faq .faq-q-idx {
  flex: 0 0 auto;
  font-family: var(--font-mono);
  font-size: 11px;
  font-weight: 600;
  letter-spacing: 0.06em;
  color: var(--orange);
  padding-top: 3px;
}
.page-faq .faq-q-text {
  flex: 1 1 auto;
  min-width: 0;
}
.page-faq .faq-a {
  margin-left: 1px;
  padding: 0 0 18px 15px;
  border-left: 3px solid transparent;
  font-size: 15px;
  line-height: 1.85;
  color: var(--text);
  transition: border-color var(--t-fast) linear;
}
.page-faq .faq-item[open] .faq-a {
  border-left-color: var(--orange);
}
.page-faq .faq-a p {
  margin: 0 0 8px;
}
.page-faq .faq-a p:last-child {
  margin-bottom: 0;
}
.page-faq .faq-jump-line {
  margin-top: 10px;
}
.page-faq .faq-jump {
  display: inline-block;
  font-family: var(--font-mono);
  font-size: 12px;
  font-weight: 600;
  letter-spacing: 0.04em;
  color: var(--blue);
  text-decoration: none;
  border-bottom: 1px solid var(--orange);
  padding-bottom: 3px;
  transition: color var(--t-fast) linear;
}
.page-faq .faq-jump:hover {
  color: var(--orange);
}

/* 三步自查 */
.page-faq .faq-steps {
  display: grid;
  gap: 8px;
  margin: 14px 0 4px;
}
.page-faq .faq-step {
  display: grid;
  grid-template-columns: 24px 1fr;
  gap: 10px;
  align-items: start;
  padding: 10px 12px;
  border: 1px solid var(--line);
  border-radius: var(--faq-radius);
  background: var(--paper);
}
.page-faq .faq-step-num {
  display: block;
  font-family: var(--font-mono);
  font-size: 12px;
  font-weight: 600;
  line-height: 18px;
  text-align: center;
  color: var(--paper);
  background: var(--blue);
  border-radius: 1px;
}
.page-faq .faq-step p {
  margin: 0;
  font-size: 14px;
  line-height: 1.75;
  color: var(--text);
}

/* 帮助区 */
.page-faq .faq-help {
  background: var(--ink);
  color: var(--paper);
  padding-block: 44px 52px;
  border-top: 3px solid var(--orange);
}
.page-faq .faq-help-inner {
  display: grid;
  gap: 26px;
}
.page-faq .faq-help-copy h2 {
  margin: 0 0 12px;
  font-size: clamp(22px, 5.5vw, 32px);
  font-weight: 800;
  line-height: 1.16;
  color: var(--paper);
}
.page-faq .faq-help-copy p {
  margin: 0 0 20px;
  max-width: 44ch;
  font-size: 15px;
  line-height: 1.85;
  color: #C9D6DE;
}
.page-faq .faq-help-copy .btn {
  border-radius: var(--faq-radius);
}
.page-faq .faq-contact {
  display: grid;
  gap: 1px;
  margin: 0;
  padding: 0;
  background: rgba(245, 247, 244, 0.16);
  border: 1px solid rgba(245, 247, 244, 0.24);
}
.page-faq .faq-contact > div {
  padding: 13px 15px;
  background: var(--ink);
}
.page-faq .faq-contact dt {
  font-size: 11px;
  font-weight: 700;
  letter-spacing: 0.16em;
  text-transform: uppercase;
  color: var(--mint);
  margin-bottom: 4px;
}
.page-faq .faq-contact dd {
  margin: 0;
  font-family: var(--font-mono);
  font-size: 13.5px;
  line-height: 1.6;
  color: var(--paper);
  word-break: break-word;
}

/* 平板及以上 */
@media (min-width: 720px) {
  .page-faq .faq-hero-grid {
    grid-template-columns: minmax(0, 1fr) 200px;
    align-items: end;
    gap: 36px;
    padding-block: 34px 48px;
  }
  .page-faq .faq-cat-list {
    grid-template-columns: repeat(2, minmax(0, 1fr));
  }
  .page-faq .faq-cat-desc {
    font-size: 13.5px;
  }
  .page-faq .faq-group {
    padding-block: 46px;
  }
  .page-faq .faq-group-head {
    gap: 16px;
    margin-bottom: 18px;
  }
  .page-faq .faq-item summary {
    font-size: 16.5px;
    padding: 17px 40px 17px 0;
  }
  .page-faq .faq-a {
    padding-left: 20px;
    max-width: 68ch;
  }
  .page-faq .faq-figure {
    margin-top: 30px;
  }
  .page-faq .faq-help-inner {
    grid-template-columns: minmax(0, 1fr) minmax(0, 0.9fr);
    align-items: start;
    gap: 40px;
  }
}

/* 桌面 */
@media (min-width: 1040px) {
  .page-faq .faq-hero-grid {
    grid-template-columns: minmax(0, 1fr) 300px;
    gap: 64px;
    padding-block: 48px 62px;
  }
  .page-faq .faq-cat-list {
    grid-template-columns: repeat(5, minmax(0, 1fr));
    gap: 10px;
  }
  .page-faq .faq-cat-list a {
    grid-template-columns: 1fr auto;
    grid-template-areas:
      "idx idx"
      "name count"
      "desc desc";
    gap: 8px 8px;
    padding: 16px 14px 18px;
    align-content: start;
  }
  .page-faq .faq-cat-idx {
    justify-self: start;
  }
  .page-faq .faq-cat-name {
    font-size: 17px;
  }
  .page-faq .faq-cats {
    padding-block: 46px 10px;
  }
  .page-faq .faq-group {
    padding-block: 58px;
    display: grid;
    grid-template-columns: minmax(0, 1fr);
  }
  .page-faq .faq-group-head {
    grid-template-columns: 44px minmax(0, 1fr);
    gap: 20px;
    margin-bottom: 22px;
  }
  .page-faq .faq-group-idx {
    justify-self: start;
  }
  .page-faq .faq-item summary {
    font-size: 17px;
  }
  .page-faq .faq-figure--quota {
    max-width: 720px;
    margin-top: 34px;
  }
  .page-faq .faq-help {
    padding-block: 60px 68px;
  }
}

@media (prefers-reduced-motion: reduce) {
  .page-faq,
  .page-faq * {
    transition-duration: 0ms !important;
  }
}
<<<END>>>