.page-faq {
  --faq-tone-1: var(--red-clay);
  --faq-tone-2: var(--jade);
  --faq-tone-3: var(--sun);
  --faq-tone-4: var(--moss);
  background: var(--cream);
  color: var(--text);
}

/* ---------- 封面区 ---------- */
.page-faq .faq-hero {
  position: relative;
  padding: 0 0 clamp(28px, 5vw, 56px);
  border-bottom: 1px solid var(--line);
  background:
    linear-gradient(180deg, var(--cream) 0%, var(--cream) 62%, var(--paper) 100%);
  overflow: hidden;
}

.page-faq .faq-hero::after {
  content: "";
  position: absolute;
  right: -40px;
  bottom: -60px;
  width: 260px;
  height: 260px;
  pointer-events: none;
  background-image:
    radial-gradient(circle at 100% 100%, transparent 56%, rgba(176, 58, 31, 0.12) 57%, transparent 59%),
    radial-gradient(circle at 100% 100%, transparent 68%, rgba(15, 122, 92, 0.10) 69%, transparent 71%),
    radial-gradient(circle at 100% 100%, transparent 80%, rgba(19, 36, 55, 0.07) 81%, transparent 83%);
}

.page-faq .faq-hero .breadcrumb {
  padding-top: 18px;
  position: relative;
  z-index: 1;
}

.page-faq .faq-hero__grid {
  position: relative;
  z-index: 1;
  display: grid;
  gap: 24px;
  padding-top: clamp(18px, 3vw, 32px);
}

.page-faq .faq-hero__main h1 {
  margin: 12px 0 16px;
  font-family: var(--font-sans);
  font-weight: 900;
  font-size: clamp(30px, 5.6vw, 60px);
  line-height: 1.07;
  letter-spacing: -0.02em;
  color: var(--ink);
  max-width: 17em;
}

.page-faq .faq-hero__main .lead {
  max-width: 38em;
  color: var(--text-soft);
  font-size: clamp(15px, 1.5vw, 17px);
  line-height: 1.8;
  margin: 0 0 22px;
}

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

.page-faq .faq-hero__aside {
  display: flex;
  flex-direction: column;
  gap: 14px;
}

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

.page-faq .index-rail {
  display: flex;
  gap: 8px;
  overflow-x: auto;
  padding-bottom: 4px;
  scrollbar-width: none;
}

.page-faq .index-rail::-webkit-scrollbar {
  display: none;
}

.page-faq .index-rail a {
  flex: 0 0 auto;
  padding: 7px 14px;
  border: 1px solid var(--line);
  border-radius: 999px;
  background: var(--white);
  color: var(--text-soft);
  font-size: 13px;
  line-height: 1;
  text-decoration: none;
  white-space: nowrap;
  transition: color 160ms var(--ease), border-color 160ms var(--ease), background 160ms var(--ease);
}

.page-faq .index-rail a:hover,
.page-faq .index-rail a:focus-visible {
  color: var(--ink);
  border-color: var(--line-strong);
}

.page-faq .index-rail a[aria-current="true"] {
  color: var(--white);
  background: var(--ink);
  border-color: var(--ink);
}

/* ---------- 章节通用 ---------- */
.page-faq .faq-sec {
  padding-block: clamp(38px, 6vw, 72px);
}

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

.page-faq .faq-sec .section-title {
  color: var(--ink);
}

.page-faq .faq-sec .section-note {
  color: var(--text-soft);
}

/* ---------- 核对顺序 ---------- */
.page-faq .faq-standard-grid {
  display: grid;
  gap: clamp(24px, 4vw, 40px);
  margin-top: clamp(22px, 3vw, 34px);
}

.page-faq .faq-standard__main.prose p {
  color: var(--text-soft);
}

.page-faq .faq-standard__main.prose p:first-child::first-letter {
  float: left;
  font-family: var(--font-sans);
  font-weight: 900;
  font-size: 3.1em;
  line-height: 0.86;
  padding: 6px 12px 0 0;
  color: var(--red-clay);
}

.page-faq .faq-wide-fig {
  margin-top: clamp(28px, 4vw, 48px);
}

.page-faq .figure__frame {
  background: var(--paper);
  border: 1px solid var(--line);
  overflow: hidden;
}

.page-faq .figure__img {
  display: block;
  width: 100%;
  max-width: 100%;
  height: auto;
  object-fit: cover;
}

.page-faq .figure__caption {
  margin-top: 10px;
  font-size: 12px;
  letter-spacing: 0.06em;
  color: var(--stone);
}

/* ---------- 四个判定维度 ---------- */
.page-faq .dim-rail {
  display: grid;
  gap: 1px;
  margin-top: clamp(28px, 4vw, 46px);
  background: var(--line);
  border: 1px solid var(--line);
  border-radius: var(--radius-lg);
  overflow: hidden;
}

.page-faq .dim {
  position: relative;
  display: flex;
  flex-direction: column;
  gap: 10px;
  padding: clamp(20px, 3vw, 28px) clamp(16px, 2.4vw, 24px) clamp(22px, 3vw, 30px);
  background: var(--white);
}

.page-faq .dim::before {
  content: "";
  position: absolute;
  inset: 0 0 auto 0;
  height: 3px;
  background: var(--dim-tone, var(--jade));
}

.page-faq .dim:nth-child(1) { --dim-tone: var(--red-clay); }
.page-faq .dim:nth-child(2) { --dim-tone: var(--jade); }
.page-faq .dim:nth-child(3) { --dim-tone: var(--sun); }
.page-faq .dim:nth-child(4) { --dim-tone: var(--moss); }

.page-faq .dim__no {
  font-size: clamp(24px, 3vw, 34px);
  line-height: 1;
  letter-spacing: 0.02em;
  color: var(--dim-tone, var(--jade));
  opacity: 0.85;
}

.page-faq .dim__title {
  margin: 0;
  font-size: 17px;
  font-weight: 800;
  letter-spacing: 0.02em;
  color: var(--ink);
}

.page-faq .dim__text {
  margin: 0;
  font-size: 14px;
  line-height: 1.8;
  color: var(--text-soft);
}

/* ---------- 问答流 ---------- */
.page-faq .faq-sec--stream {
  background: var(--cream);
}

.page-faq .filter-bar {
  display: flex;
  flex-wrap: wrap;
  gap: 8px;
  margin-top: clamp(20px, 3vw, 30px);
  margin-bottom: clamp(20px, 3vw, 30px);
  padding-bottom: 18px;
  border-bottom: 1px solid var(--line);
}

.page-faq .filter-btn {
  appearance: none;
  border: 1px solid var(--line);
  border-radius: 999px;
  background: var(--white);
  color: var(--text-soft);
  font-family: var(--font-sans);
  font-size: 13.5px;
  line-height: 1;
  padding: 9px 16px;
  cursor: pointer;
  transition: color 160ms var(--ease), background 160ms var(--ease), border-color 160ms var(--ease);
}

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

.page-faq .filter-btn[aria-pressed="true"] {
  background: var(--ink);
  border-color: var(--ink);
  color: var(--white);
}

.page-faq .faq-stream {
  display: flex;
  flex-direction: column;
  gap: clamp(28px, 4vw, 44px);
}

.page-faq .faq-group__head {
  display: grid;
  grid-template-columns: auto minmax(0, 1fr);
  column-gap: 14px;
  row-gap: 4px;
  align-items: baseline;
  padding-bottom: 14px;
  border-bottom: 2px solid var(--ink);
  margin-bottom: 6px;
}

.page-faq .faq-group__no {
  grid-row: 1 / 3;
  font-size: 15px;
  letter-spacing: 0.14em;
  color: var(--red-clay);
}

.page-faq .faq-group__title {
  margin: 0;
  font-size: clamp(20px, 2.6vw, 26px);
  font-weight: 800;
  letter-spacing: -0.01em;
  color: var(--ink);
}

.page-faq .faq-group__note {
  margin: 0;
  font-size: 13px;
  letter-spacing: 0.04em;
  color: var(--stone);
}

/* ---------- 折叠问答 ---------- */
.page-faq .qa {
  border: 1px solid var(--line);
  border-left: 3px solid transparent;
  border-radius: var(--radius);
  background: var(--white);
  margin-top: 10px;
  transition: border-color 200ms var(--ease), box-shadow 200ms var(--ease), background 200ms var(--ease);
}

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

.page-faq .qa[open] {
  border-left-color: var(--jade);
  box-shadow: var(--shadow-1);
}

.page-faq .qa__q {
  display: flex;
  align-items: flex-start;
  justify-content: space-between;
  gap: 16px;
  padding: 15px clamp(14px, 2vw, 20px);
  cursor: pointer;
  list-style: none;
  font-size: clamp(15px, 1.6vw, 16.5px);
  font-weight: 700;
  line-height: 1.55;
  color: var(--ink);
}

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

.page-faq .qa__q:focus-visible {
  outline: 2px solid var(--sun);
  outline-offset: 2px;
}

.page-faq .qa__marker {
  position: relative;
  flex: 0 0 auto;
  width: 14px;
  height: 14px;
  margin-top: 5px;
}

.page-faq .qa__marker::before,
.page-faq .qa__marker::after {
  content: "";
  position: absolute;
  background: var(--jade);
  transition: transform 200ms var(--ease), opacity 200ms var(--ease);
}

.page-faq .qa__marker::before {
  top: 6px;
  left: 0;
  width: 14px;
  height: 1.5px;
}

.page-faq .qa__marker::after {
  top: 0;
  left: 6px;
  width: 1.5px;
  height: 14px;
  transform-origin: 50% 0;
}

.page-faq .qa[open] .qa__marker::after {
  transform: scaleY(0);
  opacity: 0;
}

.page-faq .qa__a {
  margin: 0 clamp(14px, 2vw, 20px);
  padding: 13px 0 18px;
  border-top: 1px dashed var(--line);
  animation: faqAnswerIn 220ms var(--ease) both;
}

.page-faq .qa__a p {
  margin: 0;
  max-width: 44em;
  font-size: 14.5px;
  line-height: 1.85;
  color: var(--text-soft);
}

@keyframes faqAnswerIn {
  from {
    opacity: 0;
    transform: translateY(6px);
  }
  to {
    opacity: 1;
    transform: translateY(0);
  }
}

/* ---------- 延伸入口 ---------- */
.page-faq .faq-more {
  display: flex;
  flex-wrap: wrap;
  gap: 12px 28px;
  margin-top: clamp(28px, 4vw, 42px);
  padding-top: 22px;
  border-top: 1px solid var(--line);
}

.page-faq .faq-more a {
  position: relative;
  font-size: 14.5px;
  font-weight: 600;
  color: var(--jade);
  text-decoration: none;
  padding-bottom: 3px;
}

.page-faq .faq-more a::after {
  content: "";
  position: absolute;
  left: 0;
  bottom: 0;
  width: 100%;
  height: 1px;
  background: currentColor;
  transform: scaleX(0);
  transform-origin: left center;
  transition: transform 160ms var(--ease);
}

.page-faq .faq-more a:hover::after,
.page-faq .faq-more a:focus-visible::after {
  transform: scaleX(1);
}

/* ---------- 收尾 ---------- */
.page-faq .faq-cta {
  background: var(--ink);
  color: var(--cream);
  padding-block: clamp(34px, 5vw, 60px);
  position: relative;
  overflow: hidden;
}

.page-faq .faq-cta::before {
  content: "";
  position: absolute;
  left: 0;
  top: 0;
  width: 100%;
  height: 4px;
  background: linear-gradient(90deg, var(--red-clay) 0%, var(--red-clay) 34%, var(--sun) 34%, var(--sun) 62%, var(--jade) 62%, var(--jade) 100%);
}

.page-faq .faq-cta__inner {
  display: flex;
  flex-direction: column;
  gap: 22px;
}

.page-faq .faq-cta__text h2 {
  margin: 0 0 10px;
  font-size: clamp(22px, 3vw, 32px);
  font-weight: 800;
  letter-spacing: -0.01em;
  color: var(--white);
}

.page-faq .faq-cta__text p {
  margin: 0;
  max-width: 40em;
  font-size: 15px;
  line-height: 1.8;
  color: rgba(245, 240, 230, 0.76);
}

.page-faq .faq-cta__actions {
  display: flex;
  flex-wrap: wrap;
  gap: 12px;
}

/* ---------- 响应式 ---------- */
@media (min-width: 640px) {
  .page-faq .dim-rail {
    grid-template-columns: repeat(2, minmax(0, 1fr));
  }
}

@media (min-width: 900px) {
  .page-faq .faq-standard-grid {
    grid-template-columns: 7fr 5fr;
    align-items: start;
  }

  .page-faq .faq-cta__inner {
    flex-direction: row;
    align-items: center;
    justify-content: space-between;
    gap: 40px;
  }

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

@media (min-width: 960px) {
  .page-faq .faq-hero__grid {
    grid-template-columns: minmax(0, 1fr) 190px;
    column-gap: clamp(32px, 5vw, 64px);
    align-items: end;
  }

  .page-faq .note-vertical {
    display: block;
    margin: 0 0 auto 0;
    font-family: var(--font-mono);
  }

  .page-faq .faq-hero__aside {
    align-items: flex-end;
  }

  .page-faq .index-rail {
    flex-direction: column;
    align-items: stretch;
    width: 100%;
    overflow: visible;
    padding-bottom: 0;
  }

  .page-faq .index-rail a {
    text-align: right;
    border-radius: var(--radius);
  }
}

@media (min-width: 1024px) {
  .page-faq .dim-rail {
    grid-template-columns: repeat(4, minmax(0, 1fr));
  }
}

@media (prefers-reduced-motion: reduce) {
  .page-faq .qa__a {
    animation: none;
  }

  .page-faq .qa__marker::before,
  .page-faq .qa__marker::after,
  .page-faq .faq-more a::after {
    transition: none;
  }
}
<<<END>>>