.page-faq {
  display: block;
  background: var(--c-deep);
  overflow-x: hidden;
}

/* ---------- 面包屑 ---------- */
.page-faq .breadcrumbs {
  padding-top: 22px;
  padding-bottom: 4px;
}

.page-faq .breadcrumb-list {
  display: flex;
  flex-wrap: wrap;
  gap: 8px;
  margin: 0;
  padding: 0;
  list-style: none;
  font-family: var(--f-data);
  font-size: 12px;
  letter-spacing: .06em;
  color: var(--c-muted);
}

.page-faq .breadcrumb-item {
  display: inline-flex;
  align-items: center;
  gap: 8px;
}

.page-faq .breadcrumb-item + .breadcrumb-item::before {
  content: "/";
  color: var(--c-line);
}

.page-faq .breadcrumb-item a {
  color: var(--c-muted);
  text-decoration: none;
  transition: color var(--t-fast);
}

.page-faq .breadcrumb-item a:hover,
.page-faq .breadcrumb-item a:focus-visible {
  color: var(--c-green);
}

/* ---------- 首屏 ---------- */
.page-faq .supp-hero {
  display: grid;
  gap: 26px;
  padding-top: 20px;
  padding-bottom: 44px;
}

.page-faq .supp-hero__text .eyebrow {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  margin: 0;
}

.page-faq .supp-hero__text h1 {
  margin: 14px 0 16px;
  font-size: clamp(28px, 7vw, 44px);
  font-weight: 900;
  line-height: 1.16;
  letter-spacing: -.02em;
  color: var(--c-text);
}

.page-faq .supp-hero__lead {
  margin: 0;
  max-width: 34em;
  font-size: 16px;
  line-height: 1.78;
  color: var(--c-muted);
}

.page-faq .supp-hero__stats {
  display: flex;
  flex-wrap: wrap;
  gap: 12px;
  margin: 24px 0 0;
}

.page-faq .supp-hero__stat {
  flex: 1 1 120px;
  min-width: 0;
  padding: 14px 16px;
  border: 1px solid var(--c-line);
  border-radius: var(--r-sm);
  background: var(--c-panel);
}

.page-faq .supp-hero__stat dt {
  font-family: var(--f-data);
  font-size: 12px;
  letter-spacing: .08em;
  color: var(--c-muted);
}

.page-faq .supp-hero__stat dd {
  margin: 6px 0 0;
  font-size: 30px;
  font-weight: 700;
  line-height: 1;
  color: var(--c-green);
}

.page-faq .supp-hero__stat--amber dd {
  color: var(--c-amber);
}

.page-faq .supp-hero__stat--ice dd {
  color: var(--c-ice);
}

.page-faq .supp-hero__media {
  position: relative;
  margin: 0;
  border: 1px solid var(--c-line);
  border-radius: var(--r-lg);
  background: var(--c-midnight);
  overflow: hidden;
}

.page-faq .supp-hero__media::after {
  content: "";
  position: absolute;
  inset: auto 0 0 0;
  height: 3px;
  background: linear-gradient(90deg, var(--c-green), var(--c-ice) 55%, transparent);
  opacity: .8;
}

.page-faq .supp-hero__media img {
  display: block;
  width: 100%;
  height: auto;
  aspect-ratio: 2 / 1;
  object-fit: cover;
}

/* ---------- 固定分类条 ---------- */
.page-faq .faq-bar {
  position: sticky;
  top: 0;
  z-index: 6;
  background: var(--c-midnight);
  border-top: 1px solid var(--c-line);
  border-bottom: 1px solid var(--c-line);
}

.page-faq .faq-bar__inner {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  gap: 10px;
  padding-top: 12px;
  padding-bottom: 12px;
}

.page-faq .faq-bar__tabs {
  display: flex;
  gap: 8px;
  flex: 1 1 auto;
  min-width: 0;
  overflow-x: auto;
  scrollbar-width: none;
  padding-bottom: 2px;
}

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

.page-faq .faq-tab {
  flex: 0 0 auto;
  display: inline-flex;
  align-items: center;
  padding: 8px 15px;
  border: 1px solid var(--c-line);
  border-radius: var(--r-pill);
  background: var(--c-panel);
  color: var(--c-text);
  font-size: 14px;
  line-height: 1.4;
  text-decoration: none;
  white-space: nowrap;
  transition: border-color var(--t-fast), color var(--t-fast), transform var(--t-fast);
}

.page-faq .faq-tab:hover,
.page-faq .faq-tab:focus-visible {
  border-color: var(--c-green);
  color: var(--c-green);
  transform: translateY(-1px);
}

.page-faq .faq-search {
  display: flex;
  align-items: center;
  gap: 8px;
  flex: 0 1 100%;
  padding: 7px 15px;
  border: 1px solid var(--c-line);
  border-radius: var(--r-pill);
  background: var(--c-panel);
  transition: border-color var(--t-fast), box-shadow var(--t-fast);
}

.page-faq .faq-search:focus-within {
  border-color: var(--c-green);
  box-shadow: 0 0 0 3px rgba(53, 240, 154, .16);
}

.page-faq .faq-search__label {
  flex: 0 0 auto;
  font-family: var(--f-data);
  font-size: 11px;
  letter-spacing: .1em;
  color: var(--c-muted);
}

.page-faq .faq-search input {
  flex: 1 1 auto;
  min-width: 0;
  border: 0;
  background: transparent;
  color: var(--c-text);
  font-family: var(--f-body);
  font-size: 14px;
  line-height: 1.6;
  outline: none;
}

.page-faq .faq-search input::placeholder {
  color: var(--c-muted);
  opacity: .8;
}

/* ---------- 问答区 ---------- */
.page-faq .faq-block,
.page-faq .term-block {
  padding-top: 52px;
  scroll-margin-top: 96px;
}

.page-faq .faq-block__head {
  max-width: 780px;
  margin-bottom: 22px;
}

.page-faq .faq-block__head .eyebrow {
  margin: 0;
}

.page-faq .faq-block__head h2 {
  margin: 10px 0 10px;
  font-size: clamp(21px, 5vw, 27px);
  font-weight: 800;
  line-height: 1.3;
  letter-spacing: -.01em;
  color: var(--c-text);
}

.page-faq .faq-block__head p {
  margin: 0;
  font-size: 15px;
  line-height: 1.75;
  color: var(--c-muted);
}

.page-faq .faq-list {
  display: flex;
  flex-direction: column;
  gap: 12px;
  max-width: 920px;
}

.page-faq .faq-item {
  border: 1px solid var(--c-line);
  border-radius: var(--r-card);
  background: var(--c-panel);
  overflow: hidden;
  transition: border-color var(--t-fast), background var(--t-fast);
}

.page-faq .faq-item:hover {
  border-color: rgba(53, 240, 154, .4);
}

.page-faq .faq-item[open] {
  border-color: rgba(53, 240, 154, .55);
  background: var(--c-panel-2);
}

.page-faq .faq-item__q {
  display: flex;
  align-items: flex-start;
  gap: 12px;
  padding: 17px 18px;
  cursor: pointer;
  list-style: none;
  font-size: 16px;
  font-weight: 600;
  line-height: 1.6;
  color: var(--c-text);
  transition: color var(--t-fast);
}

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

.page-faq .faq-item__q::after {
  content: "+";
  flex: 0 0 auto;
  margin-left: auto;
  font-family: var(--f-data);
  font-size: 19px;
  line-height: 1.2;
  color: var(--c-green);
}

.page-faq .faq-item[open] .faq-item__q::after {
  content: "\2013";
}

.page-faq .faq-item__q:focus-visible {
  outline: 2px solid var(--c-green);
  outline-offset: -2px;
}

.page-faq .faq-item__idx {
  flex: 0 0 auto;
  padding-top: 4px;
  font-family: var(--f-data);
  font-size: 12px;
  letter-spacing: .06em;
  color: var(--c-muted);
  transition: color var(--t-fast);
}

.page-faq .faq-item[open] .faq-item__idx {
  color: var(--c-green);
}

.page-faq .faq-item__a {
  position: relative;
  padding: 2px 18px 20px 32px;
  font-size: 15px;
  line-height: 1.78;
  color: var(--c-muted);
}

.page-faq .faq-item__a::before {
  content: "";
  position: absolute;
  left: 18px;
  top: 4px;
  bottom: 24px;
  width: 2px;
  border-radius: var(--r-pill);
  background: linear-gradient(180deg, var(--c-green), rgba(53, 240, 154, 0));
}

.page-faq .faq-item__a p {
  margin: 0 0 10px;
}

.page-faq .faq-item__a p:last-child {
  margin-bottom: 0;
}

.page-faq .faq-item[open] .faq-item__a {
  animation: faq-reveal var(--t-mid) both;
}

@keyframes faq-reveal {
  from {
    opacity: 0;
    transform: translateY(-4px);
  }
  to {
    opacity: 1;
    transform: none;
  }
}

/* ---------- 术语速查 ---------- */
.page-faq .term-figure {
  margin: 0 0 20px;
  border: 1px solid var(--c-line);
  border-radius: var(--r-card);
  background: var(--c-midnight);
  overflow: hidden;
}

.page-faq .term-figure img {
  display: block;
  width: 100%;
  height: auto;
  aspect-ratio: 12 / 7;
  object-fit: cover;
}

.page-faq .term-wrap {
  border: 1px solid var(--c-line);
  border-radius: var(--r-card);
  background: var(--c-panel);
  overflow-x: auto;
}

.page-faq .term-table {
  width: 100%;
  min-width: 540px;
  border-collapse: collapse;
  font-size: 14px;
}

.page-faq .term-table caption {
  padding: 16px 18px 10px;
  text-align: left;
  font-family: var(--f-data);
  font-size: 12px;
  letter-spacing: .08em;
  color: var(--c-muted);
}

.page-faq .term-table th,
.page-faq .term-table td {
  padding: 13px 18px;
  text-align: left;
  vertical-align: top;
  border-bottom: 1px solid var(--c-line);
}

.page-faq .term-table thead th {
  font-family: var(--f-data);
  font-size: 12px;
  font-weight: 500;
  letter-spacing: .08em;
  color: var(--c-muted);
  background: var(--c-panel-2);
}

.page-faq .term-table tbody tr {
  transition: background var(--t-fast);
}

.page-faq .term-table tbody tr:hover {
  background: rgba(116, 216, 255, .06);
}

.page-faq .term-table tbody tr:last-child th,
.page-faq .term-table tbody tr:last-child td {
  border-bottom: 0;
}

.page-faq .term-name {
  width: 170px;
  font-family: var(--f-data);
  font-size: 14px;
  font-weight: 600;
  color: var(--c-ice);
}

.page-faq .term-desc {
  color: var(--c-muted);
  line-height: 1.75;
}

/* ---------- 收束区块 ---------- */
.page-faq .faq-cta {
  padding-top: 56px;
  padding-bottom: 76px;
}

.page-faq .faq-cta__card {
  position: relative;
  padding: 30px 22px;
  border: 1px solid rgba(53, 240, 154, .34);
  border-radius: var(--r-lg);
  background: linear-gradient(155deg, var(--c-panel-2), var(--c-midnight) 72%);
  overflow: hidden;
}

.page-faq .faq-cta__card::after {
  content: "";
  position: absolute;
  right: -90px;
  top: -80px;
  width: 260px;
  height: 260px;
  border-radius: 50%;
  background: radial-gradient(circle, rgba(53, 240, 154, .16), transparent 70%);
  pointer-events: none;
}

.page-faq .faq-cta__card .eyebrow {
  margin: 0;
}

.page-faq .faq-cta__card h2 {
  margin: 12px 0 12px;
  font-size: clamp(20px, 5vw, 26px);
  font-weight: 800;
  line-height: 1.35;
  letter-spacing: -.01em;
  color: var(--c-text);
}

.page-faq .faq-cta__desc {
  margin: 0;
  max-width: 42em;
  font-size: 15px;
  line-height: 1.78;
  color: var(--c-muted);
}

.page-faq .faq-cta__actions {
  display: flex;
  flex-wrap: wrap;
  gap: 12px;
  margin: 22px 0 0;
}

.page-faq .faq-cta__contact {
  margin: 20px 0 0;
  font-size: 13px;
  line-height: 1.7;
  color: var(--c-ice);
  word-break: break-word;
}

.page-faq .faq-cta__note {
  margin: 12px 0 0;
  font-size: 14px;
  line-height: 1.75;
  color: var(--c-muted);
}

.page-faq .faq-cta__note a {
  color: var(--c-amber);
  text-decoration: none;
  border-bottom: 1px solid rgba(255, 165, 61, .45);
  transition: color var(--t-fast), border-color var(--t-fast);
}

.page-faq .faq-cta__note a:hover,
.page-faq .faq-cta__note a:focus-visible {
  color: var(--c-green);
  border-color: var(--c-green);
}

/* ---------- 平板 ---------- */
@media (min-width: 620px) {
  .page-faq .faq-bar__inner {
    flex-wrap: nowrap;
  }

  .page-faq .faq-search {
    flex: 0 0 auto;
    width: 240px;
  }

  .page-faq .faq-cta__card {
    padding: 38px 34px;
  }

  .page-faq .faq-item__q {
    padding: 19px 22px;
  }

  .page-faq .faq-item__a {
    padding: 2px 26px 22px 40px;
  }

  .page-faq .faq-item__a::before {
    left: 22px;
  }
}

/* ---------- 桌面 ---------- */
@media (min-width: 940px) {
  .page-faq .supp-hero {
    grid-template-columns: minmax(0, 1.05fr) minmax(0, .95fr);
    align-items: center;
    gap: 44px;
    padding-top: 36px;
    padding-bottom: 64px;
  }

  .page-faq .supp-hero__stats {
    flex-wrap: nowrap;
  }

  .page-faq .faq-block,
  .page-faq .term-block {
    padding-top: 68px;
  }

  .page-faq .faq-block__head {
    margin-bottom: 26px;
  }

  .page-faq .faq-list {
    gap: 14px;
  }

  .page-faq .faq-cta {
    padding-top: 68px;
    padding-bottom: 96px;
  }

  .page-faq .faq-cta__card {
    padding: 48px 46px;
  }

  .page-faq .term-name {
    width: 200px;
  }
}

/* ---------- 降低动效 ---------- */
@media (prefers-reduced-motion: reduce) {
  .page-faq .faq-item[open] .faq-item__a {
    animation: none;
  }

  .page-faq .faq-tab,
  .page-faq .faq-item,
  .page-faq .faq-search {
    transition: none;
  }

  .page-faq .faq-tab:hover {
    transform: none;
  }
}
<<<END>>>