.page-faq {
  --faq-cut: polygon(0 0, calc(100% - 14px) 0, 100% 14px, 100% 100%, 0 100%);
  padding-bottom: clamp(48px, 8vw, 96px);
}

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

/* ---------- 首屏 ---------- */
.page-faq .faq-hero {
  display: grid;
  gap: 28px;
  padding: 20px 0 34px;
}

.page-faq .faq-hero__lead {
  min-width: 0;
  max-width: 640px;
}

.page-faq .faq-hero h1 {
  margin: 14px 0 0;
  font-size: clamp(30px, 6.8vw, 54px);
  line-height: 1.1;
  letter-spacing: -0.02em;
  font-weight: 800;
  color: var(--cream);
}

.page-faq .faq-hero__sub {
  margin: 16px 0 0;
  font-size: 15.5px;
  line-height: 1.85;
  color: var(--frost);
  max-width: 56ch;
}

.page-faq .faq-kpis {
  display: flex;
  flex-wrap: wrap;
  gap: 12px 24px;
  margin-top: 22px;
  padding-top: 16px;
  border-top: 1px dashed var(--line-strong);
}

.page-faq .faq-kpi {
  font-size: 12px;
  letter-spacing: 0.04em;
  color: var(--frost);
}

.page-faq .faq-kpi b {
  font-family: var(--font-display);
  font-size: 26px;
  font-weight: 800;
  color: var(--cyan);
  margin-right: 6px;
  font-variant-numeric: tabular-nums;
}

/* 场景索引纸卡 */
.page-faq .faq-hero__index {
  position: relative;
  min-width: 0;
  background: var(--cream);
  color: var(--brown);
  padding: 20px 18px;
  border: 1px solid var(--paper-line);
  box-shadow: inset 0 0 0 3px var(--cream), inset 0 0 0 4px var(--paper-line);
  clip-path: var(--cut);
}

.page-faq .faq-index__head {
  margin: 0;
  font-family: var(--font-mono);
  font-size: 11px;
  letter-spacing: 0.24em;
  color: #7b6f66;
}

.page-faq .faq-hero__index ol {
  list-style: none;
  margin: 12px 0 0;
  padding: 0;
}

.page-faq .faq-hero__index li + li {
  border-top: 1px solid var(--paper-line);
}

.page-faq .faq-hero__index a {
  display: flex;
  align-items: baseline;
  gap: 10px;
  padding: 9px 0;
  text-decoration: none;
  color: var(--brown);
  font-size: 14px;
  transition: color 0.2s, padding-left 0.2s;
}

.page-faq .faq-hero__index a:hover {
  color: #0f7d55;
  padding-left: 4px;
}

.page-faq .faq-hero__index a .mono {
  font-size: 11px;
  color: #b5561b;
}

.page-faq .faq-index__text {
  flex: 1 1 auto;
  min-width: 0;
}

.page-faq .faq-vertical {
  display: none;
}

/* ---------- 分类带图片 ---------- */
.page-faq .faq-banner {
  margin: 0;
}

.page-faq .faq-banner img {
  display: block;
  width: 100%;
  height: auto;
  aspect-ratio: 12 / 5;
  object-fit: cover;
  background: var(--ink-2);
  border: 1px solid var(--line);
  clip-path: var(--cut-lg);
}

.page-faq .faq-banner figcaption {
  margin-top: 10px;
  font-family: var(--font-mono);
  font-size: 11px;
  letter-spacing: 0.06em;
  color: var(--frost);
}

/* ---------- 筛选标签条 ---------- */
.page-faq .faq-filterbar {
  display: flex;
  flex-direction: column;
  gap: 10px;
  margin-top: 28px;
  padding: 14px 0 18px;
  border-top: 1px solid var(--line);
  border-bottom: 1px solid var(--line);
  scroll-margin-top: 90px;
}

.page-faq .faq-filterbar__label {
  margin: 0;
  font-size: 11px;
  letter-spacing: 0.2em;
  color: var(--frost);
}

.page-faq .faq-chips {
  display: flex;
  flex-wrap: wrap;
  gap: 8px;
}

.page-faq .faq-chip {
  display: inline-flex;
  align-items: center;
  padding: 8px 14px;
  font-size: 13px;
  line-height: 1;
  color: var(--frost);
  text-decoration: none;
  border: 1px solid var(--line-strong);
  background: rgba(18, 28, 48, 0.6);
  clip-path: var(--faq-cut);
  transition: color 0.2s, background 0.2s, border-color 0.2s;
}

.page-faq .faq-chip:hover,
.page-faq .faq-chip:focus-visible {
  color: var(--cream);
  border-color: var(--green);
}

.page-faq .faq-chip.is-active {
  background: var(--green);
  border-color: var(--green);
  color: #04160e;
  font-weight: 700;
}

/* ---------- 主体布局 ---------- */
.page-faq .faq-layout {
  display: grid;
  gap: 30px;
  margin-top: 34px;
}

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

.page-faq .faq-aside__inner {
  background: var(--ink-2);
  border: 1px solid var(--line);
  padding: 18px 16px;
  clip-path: var(--cut);
}

.page-faq .faq-aside__label {
  margin: 0 0 12px;
  font-size: 11px;
  letter-spacing: 0.22em;
  color: var(--cyan);
}

.page-faq .faq-toc {
  list-style: none;
  margin: 0;
  padding: 0;
}

.page-faq .faq-toc a {
  display: flex;
  align-items: center;
  gap: 8px;
  padding: 9px 6px;
  font-size: 14px;
  color: var(--frost);
  text-decoration: none;
  border-left: 2px solid transparent;
  transition: color 0.2s, border-color 0.2s, background 0.2s;
}

.page-faq .faq-toc a:hover,
.page-faq .faq-toc a:focus-visible {
  color: var(--cream);
  border-left-color: var(--orange);
  background: rgba(70, 227, 208, 0.07);
}

.page-faq .faq-toc a .mono {
  font-size: 11px;
  color: var(--orange);
}

.page-faq .faq-toc a i {
  margin-left: auto;
  font-style: normal;
  font-family: var(--font-mono);
  font-size: 11px;
  color: var(--frost);
}

.page-faq .faq-aside__cta {
  display: inline-flex;
  justify-content: center;
  width: 100%;
  margin-top: 14px;
}

/* ---------- 分组 ---------- */
.page-faq .faq-group {
  scroll-margin-top: 88px;
  min-width: 0;
}

.page-faq .faq-group + .faq-group {
  margin-top: 44px;
}

.page-faq .faq-group__head {
  display: flex;
  flex-wrap: wrap;
  align-items: baseline;
  gap: 4px 12px;
  margin-bottom: 16px;
  padding-bottom: 12px;
  border-bottom: 1px solid var(--line);
}

.page-faq .faq-group__num {
  font-family: var(--font-display);
  font-size: 30px;
  font-weight: 800;
  line-height: 1;
  color: var(--green);
  opacity: 0.55;
  letter-spacing: 0.02em;
}

.page-faq .faq-group__head h2 {
  margin: 0;
}

.page-faq .faq-group__desc {
  flex-basis: 100%;
  margin: 0;
  font-size: 13px;
  line-height: 1.7;
  color: var(--frost);
}

/* ---------- 问答条目 ---------- */
.page-faq .faq-item {
  margin-bottom: 10px;
  padding: 0 16px;
  background: var(--ink-2);
  border: 1px solid var(--line);
  clip-path: var(--faq-cut);
  transition: border-color 0.25s, background 0.25s;
}

.page-faq .faq-item:hover {
  border-color: var(--line-strong);
}

.page-faq .faq-item[open] {
  border-color: rgba(18, 183, 106, 0.6);
  background: var(--ink-3);
}

.page-faq .faq-q {
  display: flex;
  align-items: center;
  gap: 10px;
  padding: 14px 0;
  cursor: pointer;
  list-style: none;
}

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

.page-faq .faq-q__num {
  flex: none;
  font-family: var(--font-mono);
  font-size: 11px;
  letter-spacing: 0.06em;
  color: var(--orange);
}

.page-faq .faq-q__text {
  flex: 1 1 auto;
  min-width: 0;
  font-size: 15px;
  font-weight: 600;
  line-height: 1.5;
  color: var(--cream);
}

.page-faq .faq-q__mark {
  position: relative;
  flex: none;
  width: 12px;
  height: 12px;
  margin-left: auto;
}

.page-faq .faq-q__mark::before,
.page-faq .faq-q__mark::after {
  content: "";
  position: absolute;
  background: var(--green);
  transition: transform 0.25s ease, opacity 0.25s ease;
}

.page-faq .faq-q__mark::before {
  left: 0;
  top: 5px;
  width: 12px;
  height: 2px;
}

.page-faq .faq-q__mark::after {
  left: 5px;
  top: 0;
  width: 2px;
  height: 12px;
}

.page-faq .faq-item[open] .faq-q__mark::after {
  transform: rotate(90deg);
  opacity: 0;
}

.page-faq .faq-a {
  padding: 0 0 16px;
  overflow-wrap: anywhere;
}

.page-faq .faq-a p {
  margin: 0;
  font-size: 14.5px;
  line-height: 1.85;
  color: var(--frost);
}

.page-faq .faq-a p + p {
  margin-top: 10px;
}

.page-faq .faq-a a {
  color: var(--cyan);
  text-decoration: underline;
  text-underline-offset: 3px;
}

/* 移动端步骤图 */
.page-faq .faq-steps {
  margin: 0 0 16px;
}

.page-faq .faq-steps img {
  display: block;
  width: 100%;
  height: auto;
  aspect-ratio: 5 / 3;
  object-fit: cover;
  background: var(--ink-3);
  border: 1px solid var(--line);
  clip-path: var(--cut);
}

.page-faq .faq-steps figcaption {
  margin-top: 8px;
  font-family: var(--font-mono);
  font-size: 11px;
  color: var(--frost);
}

/* ---------- 纸卡分组：反馈与纠错 ---------- */
.page-faq .faq-group--paper {
  margin-top: 46px;
  padding: 22px 18px;
  background: var(--cream);
  color: var(--brown);
  border: 3px double var(--paper-line);
  clip-path: var(--cut-lg);
}

.page-faq .faq-group--paper .faq-group__head {
  border-bottom-color: var(--paper-line);
}

.page-faq .faq-group--paper .faq-group__num {
  color: var(--orange);
  opacity: 1;
}

.page-faq .faq-group--paper .faq-group__head h2 {
  color: var(--brown);
}

.page-faq .faq-group--paper .faq-group__desc {
  color: #6b5f56;
}

.page-faq .faq-group--paper .faq-item {
  background: rgba(255, 255, 255, 0.55);
  border-color: var(--paper-line);
}

.page-faq .faq-group--paper .faq-item[open] {
  background: rgba(255, 255, 255, 0.85);
  border-color: rgba(181, 86, 27, 0.55);
}

.page-faq .faq-group--paper .faq-q__text {
  color: var(--brown);
}

.page-faq .faq-group--paper .faq-q__num {
  color: #b5561b;
}

.page-faq .faq-group--paper .faq-q__mark::before,
.page-faq .faq-group--paper .faq-q__mark::after {
  background: var(--brown);
}

.page-faq .faq-group--paper .faq-a p {
  color: #4a4038;
}

.page-faq .faq-group--paper .faq-a a {
  color: #0f7d55;
}

/* ---------- 结尾帮助卡 ---------- */
.page-faq .faq-help {
  margin-top: 44px;
  padding: 24px 20px;
  background: linear-gradient(135deg, rgba(18, 183, 106, 0.16), rgba(70, 227, 208, 0.06) 55%, rgba(10, 18, 32, 0) 100%);
  border: 1px solid var(--line-strong);
  clip-path: var(--cut-lg);
}

.page-faq .faq-help h2 {
  margin: 0;
  font-size: 22px;
  font-weight: 700;
  color: var(--cream);
}

.page-faq .faq-help p {
  margin: 10px 0 0;
  max-width: 60ch;
  font-size: 14.5px;
  line-height: 1.8;
  color: var(--frost);
}

.page-faq .faq-help__links {
  display: flex;
  flex-wrap: wrap;
  gap: 10px;
  margin-top: 18px;
}

/* ---------- 响应式 ---------- */
@media (min-width: 760px) {
  .page-faq .faq-hero {
    grid-template-columns: minmax(0, 1.45fr) minmax(270px, 0.85fr);
    align-items: start;
    gap: 40px;
    padding-top: 30px;
  }

  .page-faq .faq-hero__sub {
    font-size: 16px;
  }

  .page-faq .faq-vertical {
    display: block;
    position: absolute;
    top: 20px;
    right: -26px;
    writing-mode: vertical-rl;
    font-family: var(--font-mono);
    font-size: 10px;
    letter-spacing: 0.34em;
    color: var(--frost);
  }

  .page-faq .faq-filterbar {
    flex-direction: row;
    align-items: center;
    gap: 18px;
  }

  .page-faq .faq-filterbar__label {
    flex: none;
  }

  .page-faq .faq-q__text {
    font-size: 16px;
  }

  .page-faq .faq-group--paper {
    padding: 28px 26px;
  }

  .page-faq .faq-help {
    padding: 30px 28px;
  }
}

@media (min-width: 1000px) {
  .page-faq .faq-layout {
    grid-template-columns: 220px minmax(0, 1fr);
    gap: 48px;
    align-items: start;
  }

  .page-faq .faq-aside {
    position: sticky;
    top: 92px;
  }

  .page-faq .faq-hero h1 {
    font-size: 54px;
  }

  .page-faq .faq-item {
    padding: 0 22px;
  }

  .page-faq .faq-a p {
    font-size: 15px;
    max-width: 68ch;
  }
}
<<<END>>>