.page-faq {
  background: var(--paper);
  color: var(--ink);
  padding-bottom: 88px;
}

.page-faq .container {
  width: 100%;
  max-width: var(--max);
  margin: 0 auto;
  padding: 0 var(--gutter);
}

/* ---------- 首屏 ---------- */
.page-faq .faq-hero {
  padding: clamp(26px, 4vw, 52px) 0 clamp(30px, 4vw, 56px);
  border-bottom: 1px solid var(--line);
  background:
    radial-gradient(120% 90% at 92% 0%, rgba(232, 121, 26, 0.1), transparent 62%),
    radial-gradient(90% 80% at 0% 100%, rgba(14, 124, 134, 0.1), transparent 60%),
    var(--paper);
}

.page-faq .faq-hero .breadcrumbs {
  margin-bottom: 24px;
}

.page-faq .faq-hero__grid {
  display: block;
}

.page-faq .faq-hero .display-title {
  margin: 12px 0 18px;
  font-family: var(--font-display);
  font-weight: 900;
  font-size: clamp(30px, 5.4vw, 54px);
  line-height: 1.14;
  letter-spacing: -0.02em;
  color: var(--ink-deep);
  max-width: 22ch;
}

.page-faq .faq-hero__lead .placard {
  margin: 0;
}

.page-faq .faq-hero .lede {
  margin: 0 0 28px;
  max-width: 58ch;
  font-size: 16px;
  line-height: 1.8;
  color: var(--ink);
}

.page-faq .faq-hero__quick {
  padding: 18px 20px 20px;
  background: var(--glass-strong);
  border: 1px solid var(--line);
  border-radius: var(--radius);
  box-shadow: var(--shadow-float);
}

.page-faq .faq-hero__quick .placard {
  margin: 0 0 6px;
}

.page-faq .faq-quick {
  display: grid;
  grid-template-columns: 30px minmax(0, 1fr);
  column-gap: 12px;
  row-gap: 2px;
  align-items: start;
  padding: 13px 0;
  border-bottom: 1px dashed var(--line);
  text-decoration: none;
  color: inherit;
  transition: transform 0.2s var(--ease);
}

.page-faq .faq-quick:last-child {
  border-bottom: 0;
  padding-bottom: 0;
}

.page-faq .faq-quick:hover,
.page-faq .faq-quick:focus-visible {
  transform: translateY(-2px);
}

.page-faq .faq-quick:focus-visible {
  outline: 2px solid var(--cyan);
  outline-offset: 3px;
}

.page-faq .faq-quick__k {
  grid-row: span 2;
  align-self: stretch;
  font-size: 12px;
  letter-spacing: 0.04em;
  color: var(--cyan);
  border-right: 1px solid var(--line);
  padding-top: 3px;
}

.page-faq .faq-quick__t {
  font-size: 16px;
  font-weight: 700;
  line-height: 1.4;
  color: var(--ink-deep);
}

.page-faq .faq-quick:hover .faq-quick__t {
  color: var(--cyan);
}

.page-faq .faq-quick__d {
  font-size: 13px;
  line-height: 1.5;
  color: var(--ink);
  opacity: 0.72;
}

/* ---------- 主体布局 ---------- */
.page-faq .faq-layout {
  display: block;
  padding-top: clamp(26px, 4vw, 48px);
}

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

/* ---------- 筛选条 ---------- */
.page-faq .filter-bar {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  gap: 8px;
  margin-bottom: 30px;
  padding-bottom: 16px;
  border-bottom: 1px solid var(--line);
}

.page-faq .filter-btn {
  font-family: var(--font-body);
  font-size: 13px;
  line-height: 1.4;
  padding: 7px 14px;
  border: 1px solid var(--line-strong);
  border-radius: 999px;
  background: transparent;
  color: var(--ink);
  cursor: pointer;
  transition: background 0.2s var(--ease), border-color 0.2s var(--ease), color 0.2s var(--ease);
}

.page-faq .filter-btn:hover {
  border-color: var(--cyan);
  color: var(--cyan);
}

.page-faq .filter-btn:focus-visible {
  outline: 2px solid var(--cyan);
  outline-offset: 2px;
}

.page-faq .filter-btn.is-active {
  background: var(--ink-deep);
  border-color: var(--ink-deep);
  color: var(--paper-card);
}

.page-faq .filter-count {
  margin-left: auto;
  font-family: var(--font-mono);
  font-size: 12px;
  letter-spacing: 0.04em;
  color: var(--ink);
  opacity: 0.7;
  white-space: nowrap;
}

/* ---------- 分组 ---------- */
.page-faq .faq-section {
  margin-top: 44px;
}

.page-faq .faq-section:first-child {
  margin-top: 0;
}

.page-faq .faq-section__head {
  display: flex;
  align-items: baseline;
  gap: 14px;
  padding-bottom: 12px;
  border-bottom: 2px solid var(--ink-deep);
  margin-bottom: 0;
}

.page-faq .faq-section__num {
  flex: 0 0 auto;
  font-size: 12px;
  letter-spacing: 0.06em;
  color: var(--cyan);
}

.page-faq .faq-section .section-title {
  margin: 0;
  font-family: var(--font-display);
  font-weight: 800;
  font-size: clamp(20px, 2.4vw, 26px);
  line-height: 1.3;
  letter-spacing: -0.01em;
  color: var(--ink-deep);
}

.page-faq .faq-section__desc {
  margin: 14px 0 20px;
  max-width: 64ch;
  font-size: 15px;
  line-height: 1.8;
  color: var(--ink);
  opacity: 0.86;
}

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

.page-faq .faq-section__desc a:hover {
  color: var(--brick);
}

.page-faq .faq-section__split {
  display: block;
}

/* ---------- 问题条目 ---------- */
.page-faq .faq-list {
  display: flex;
  flex-direction: column;
  gap: 10px;
}

.page-faq .faq-groups {
  counter-reset: faq;
}

.page-faq .faq-item {
  counter-increment: faq;
  position: relative;
  overflow: hidden;
  background: var(--paper-card);
  border: 1px solid var(--line);
  border-radius: var(--radius);
  transition: border-color 0.24s var(--ease), box-shadow 0.24s var(--ease);
}

.page-faq .faq-item::before {
  content: "";
  position: absolute;
  left: 0;
  top: 0;
  bottom: 0;
  width: 3px;
  background: var(--cyan);
  transform: scaleY(0);
  transform-origin: top center;
  transition: transform 0.24s var(--ease);
}

.page-faq .faq-item[open]::before {
  transform: scaleY(1);
}

.page-faq .faq-item[open] {
  border-color: var(--line-strong);
  box-shadow: 0 10px 26px rgba(18, 49, 42, 0.07);
}

.page-faq .faq-item:target {
  border-color: var(--cyan);
}

.page-faq .faq-item__summary {
  display: flex;
  align-items: flex-start;
  gap: 12px;
  padding: 16px 18px;
  list-style: none;
  cursor: pointer;
  font-family: var(--font-serif);
  font-size: 15px;
  font-weight: 600;
  line-height: 1.6;
  letter-spacing: 0.01em;
  color: var(--ink-deep);
}

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

.page-faq .faq-item__summary::marker {
  content: "";
}

.page-faq .faq-item__summary::before {
  content: counter(faq, decimal-leading-zero);
  flex: 0 0 auto;
  padding-top: 4px;
  font-family: var(--font-mono);
  font-size: 12px;
  font-weight: 500;
  letter-spacing: 0.04em;
  color: var(--cyan);
}

.page-faq .faq-item__summary::after {
  content: "+";
  margin-left: auto;
  flex: 0 0 auto;
  padding-top: 1px;
  font-family: var(--font-mono);
  font-size: 18px;
  line-height: 1;
  color: var(--cyan);
  transition: transform 0.24s var(--ease);
}

.page-faq .faq-item[open] .faq-item__summary::after {
  transform: rotate(45deg);
}

.page-faq .faq-item__summary:focus-visible {
  outline: 2px solid var(--cyan);
  outline-offset: -3px;
}

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

.page-faq .faq-item__body {
  padding: 6px 18px 20px;
  border-top: 1px dashed var(--line);
  margin-top: 2px;
}

.page-faq .faq-item__answer {
  margin: 0 0 8px;
  font-size: 18px;
  font-weight: 700;
  line-height: 1.55;
  color: var(--ink-deep);
}

.page-faq .faq-item__note {
  margin: 0;
  font-size: 15px;
  line-height: 1.8;
  color: var(--ink);
}

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

.page-faq .faq-item__note a:hover {
  color: var(--brick);
}

/* ---------- 呼吸带 ---------- */
.page-faq .faq-breath {
  margin: 34px 0 0;
  padding: 20px 22px;
  border-left: 3px solid var(--brick);
  border-radius: var(--radius);
  background: linear-gradient(102deg, rgba(247, 217, 188, 0.68), rgba(127, 198, 201, 0.24));
  font-family: var(--font-serif);
  font-size: 14px;
  letter-spacing: 0.04em;
  line-height: 1.85;
  color: var(--ink-deep);
}

/* ---------- 图 ---------- */
.page-faq .faq-figure {
  margin: 0 0 20px;
  border: 1px solid var(--line);
  border-radius: var(--radius);
  overflow: hidden;
  background: var(--paper-card);
}

.page-faq .faq-figure img {
  display: block;
  width: 100%;
  max-width: 100%;
  height: auto;
  object-fit: cover;
  aspect-ratio: 16 / 9;
}

.page-faq .faq-figure--side img {
  aspect-ratio: 3 / 2;
}

.page-faq .faq-figure .image-frame__caption {
  padding: 10px 14px;
  border-top: 1px solid var(--line);
  font-family: var(--font-serif);
  font-size: 12px;
  letter-spacing: 0.06em;
  line-height: 1.6;
  color: var(--ink);
  opacity: 0.74;
}

/* ---------- 侧栏索引 ---------- */
.page-faq .faq-aside {
  margin-top: 44px;
}

.page-faq .faq-index {
  padding: 20px;
  background: var(--glass);
  border: 1px solid var(--line);
  border-radius: var(--radius);
  backdrop-filter: blur(12px);
  -webkit-backdrop-filter: blur(12px);
}

.page-faq .faq-index .placard {
  margin: 0;
}

.page-faq .faq-index .rule {
  height: 1px;
  margin: 18px 0;
  border: 0;
  background: var(--line);
}

.page-faq .faq-index__list {
  list-style: none;
  margin: 12px 0 0;
  padding: 0;
  display: flex;
  flex-direction: column;
  gap: 2px;
}

.page-faq .faq-index__list a {
  display: block;
  padding: 9px 10px 9px 12px;
  border-left: 2px solid var(--line-strong);
  font-size: 14px;
  line-height: 1.55;
  color: var(--ink);
  text-decoration: none;
  transition: border-color 0.2s var(--ease), color 0.2s var(--ease), background 0.2s var(--ease);
}

.page-faq .faq-index__list a:hover,
.page-faq .faq-index__list a:focus-visible {
  border-left-color: var(--amber);
  background: rgba(247, 217, 188, 0.4);
  color: var(--ink-deep);
}

.page-faq .faq-index__list a:focus-visible {
  outline: 2px solid var(--cyan);
  outline-offset: 2px;
}

.page-faq .faq-jump {
  list-style: none;
  margin: 12px 0 0;
  padding: 0;
  display: flex;
  flex-direction: column;
  gap: 4px;
}

.page-faq .faq-jump a {
  display: flex;
  align-items: baseline;
  gap: 10px;
  padding: 6px 4px;
  font-size: 14px;
  line-height: 1.5;
  color: var(--ink);
  text-decoration: none;
  transition: color 0.2s var(--ease);
}

.page-faq .faq-jump a .mono {
  font-family: var(--font-mono);
  font-size: 12px;
  letter-spacing: 0.04em;
  color: var(--cyan);
}

.page-faq .faq-jump a:hover,
.page-faq .faq-jump a:focus-visible {
  color: var(--brick);
}

.page-faq .faq-jump a:focus-visible {
  outline: 2px solid var(--cyan);
  outline-offset: 2px;
}

/* ---------- 筛选结果状态 ---------- */
.page-faq .is-hidden,
.page-faq [hidden] {
  display: none !important;
}

/* ---------- 平板 ---------- */
@media (min-width: 760px) {
  .page-faq .faq-hero__grid {
    display: grid;
    grid-template-columns: minmax(0, 1.5fr) minmax(0, 1fr);
    gap: 40px;
    align-items: end;
  }

  .page-faq .faq-hero .lede {
    margin-bottom: 0;
  }

  .page-faq .faq-item__summary {
    padding: 18px 22px;
    font-size: 16px;
  }

  .page-faq .faq-item__body {
    padding: 8px 22px 22px;
  }

  .page-faq .faq-item__answer {
    font-size: 19px;
  }

  .page-faq .faq-breath {
    padding: 24px 28px;
    font-size: 15px;
  }
}

/* ---------- 桌面 ---------- */
@media (min-width: 1080px) {
  .page-faq .faq-layout {
    display: grid;
    grid-template-columns: minmax(0, 1fr) 300px;
    gap: 56px;
    align-items: start;
  }

  .page-faq .faq-aside {
    margin-top: 0;
    position: sticky;
    top: 104px;
    max-height: calc(100vh - 128px);
    overflow-y: auto;
  }

  .page-faq .faq-section__split {
    display: grid;
    grid-template-columns: minmax(0, 1fr) 288px;
    gap: 28px;
    align-items: start;
  }

  .page-faq .faq-section__split .faq-figure {
    margin-bottom: 0;
  }

  .page-faq .faq-item__answer {
    font-size: 20px;
  }
}

@media (prefers-reduced-motion: reduce) {
  .page-faq .faq-quick,
  .page-faq .faq-item::before,
  .page-faq .faq-item__summary::after,
  .page-faq .filter-btn {
    transition: none;
  }

  .page-faq .faq-quick:hover,
  .page-faq .faq-quick:focus-visible {
    transform: none;
  }
}
<<<END>>>