.page-faq {
  --faq-index-w: 272px;
  --faq-body-text: #B4C4DE;
  --faq-line-soft: rgba(127, 176, 255, 0.14);
  --faq-warn-text: #FFB7BF;
  --faq-anchor: calc(var(--head-h) + 24px);

  display: block;
  padding-bottom: clamp(40px, 8vw, 96px);
  background:
    radial-gradient(120% 55% at 100% 0%, rgba(11, 27, 60, 0.92) 0%, rgba(5, 14, 36, 0) 60%),
    var(--ink);
}

/* ---------- 首屏 ---------- */
.page-faq .faq-hero {
  position: relative;
  overflow: hidden;
  padding: clamp(22px, 4.6vw, 46px) 0 clamp(24px, 4vw, 42px);
  border-bottom: 1px solid var(--line);
}

.page-faq .faq-hero::before {
  content: "";
  position: absolute;
  right: -14%;
  bottom: 0;
  width: 48%;
  height: 150%;
  background: linear-gradient(158deg, rgba(255, 106, 26, 0.18), rgba(255, 106, 26, 0) 62%);
  transform: skewX(-14deg);
  pointer-events: none;
}

.page-faq .faq-hero::after {
  content: "";
  position: absolute;
  left: -6%;
  top: -30%;
  width: 34%;
  height: 120%;
  background: linear-gradient(200deg, rgba(53, 240, 166, 0.10), rgba(53, 240, 166, 0) 70%);
  transform: skewX(-14deg);
  pointer-events: none;
}

.page-faq .faq-hero .container {
  position: relative;
  z-index: 1;
}

.page-faq .faq-hero .breadcrumbs {
  margin: 0 0 18px;
}

.page-faq .faq-hero .eyebrow {
  margin: 0 0 12px;
}

.page-faq .faq-hero h1 {
  margin: 0;
  max-width: 21ch;
  font-family: var(--font-display);
  font-weight: 900;
  font-size: clamp(30px, 5.2vw, 52px);
  line-height: 1.08;
  letter-spacing: -0.012em;
  color: var(--ivory);
}

.page-faq .faq-hero .lede {
  margin: 16px 0 0;
  max-width: 58ch;
  font-size: clamp(15px, 1.6vw, 16.5px);
  line-height: 1.8;
  color: var(--steel);
}

.page-faq .faq-hero__stats {
  display: flex;
  flex-wrap: wrap;
  gap: 10px 12px;
  margin: 26px 0 0;
  padding: 0;
  list-style: none;
}

.page-faq .faq-hero__stats li {
  display: inline-flex;
  align-items: baseline;
  gap: 8px;
  padding: 9px 15px;
  border: 1px solid var(--line);
  border-radius: var(--r-pill);
  background: var(--glass);
  backdrop-filter: blur(8px);
  font-size: 13px;
  color: var(--steel);
  white-space: nowrap;
}

.page-faq .faq-hero__stats b {
  font-family: var(--font-numeric);
  font-weight: 700;
  font-size: 14px;
  color: var(--green);
  letter-spacing: 0.02em;
}

/* ---------- 主体分栏 ---------- */
.page-faq .faq-body {
  padding-top: clamp(26px, 4.6vw, 52px);
}

.page-faq .faq-body__inner {
  display: grid;
  grid-template-columns: minmax(0, 1fr);
  gap: 22px;
  align-items: start;
}

/* ---------- 左栏问题索引 ---------- */
.page-faq .faq-index {
  padding: 14px;
  border: 1px solid var(--line);
  border-radius: var(--r-md);
  background: linear-gradient(180deg, rgba(11, 27, 60, 0.94), rgba(5, 14, 36, 0.72));
}

.page-faq .faq-index__title {
  margin: 0 0 10px;
  font-family: var(--font-rail);
  font-size: 12px;
  font-weight: 600;
  letter-spacing: 0.16em;
  text-transform: uppercase;
  color: var(--steel);
}

.page-faq .faq-index__links {
  display: flex;
  gap: 8px;
  margin: 0;
  padding: 0 0 4px;
  list-style: none;
  overflow-x: auto;
  -webkit-overflow-scrolling: touch;
  scrollbar-width: thin;
}

.page-faq .faq-index__links > li {
  flex: 0 0 auto;
}

.page-faq .faq-index__link {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  padding: 8px 13px;
  border: 1px solid transparent;
  border-radius: var(--r-pill);
  font-size: 13.5px;
  color: var(--steel);
  white-space: nowrap;
  text-decoration: none;
  transition: color 0.18s var(--ease), background 0.18s var(--ease), border-color 0.18s var(--ease);
}

.page-faq .faq-index__link .numeric {
  font-size: 11.5px;
  font-weight: 700;
  color: var(--orange);
  letter-spacing: 0.06em;
}

.page-faq .faq-index__link:hover,
.page-faq .faq-index__link:focus-visible {
  color: var(--ivory);
  background: rgba(255, 106, 26, 0.12);
  border-color: rgba(255, 106, 26, 0.34);
  outline: none;
}

.page-faq .faq-index__foot {
  margin: 12px 0 0;
  padding-top: 12px;
  border-top: 1px dashed var(--faq-line-soft);
  font-size: 12.5px;
  line-height: 1.7;
  color: var(--steel);
}

/* ---------- 章节 ---------- */
.page-faq .faq-group {
  margin: 0 0 clamp(38px, 6vw, 68px);
  scroll-margin-top: var(--faq-anchor);
}

.page-faq .faq-group:last-of-type {
  margin-bottom: 0;
}

.page-faq .faq-group__head {
  display: flex;
  align-items: baseline;
  gap: 14px;
  padding-bottom: 12px;
  margin-bottom: 14px;
  border-bottom: 1px solid var(--line);
  transition: border-color 0.24s var(--ease);
}

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

.page-faq .faq-group__head .eyebrow {
  flex: 0 0 auto;
  margin: 0;
}

.page-faq .faq-group__title {
  margin: 0;
  font-family: var(--font-display);
  font-weight: 800;
  font-size: clamp(21px, 3vw, 29px);
  line-height: 1.2;
  letter-spacing: -0.01em;
  color: var(--ivory);
}

.page-faq .faq-group__note {
  margin: 0 0 16px;
  max-width: 60ch;
  font-size: 14px;
  line-height: 1.75;
  color: var(--steel);
}

/* ---------- 折叠问答 ---------- */
.page-faq .faq-item {
  margin: 0 0 10px;
  border: 1px solid var(--line);
  border-radius: var(--r-md);
  background: rgba(11, 27, 60, 0.82);
  overflow: hidden;
  transition: border-color 0.18s var(--ease), background 0.18s var(--ease);
}

.page-faq .faq-item:hover {
  border-color: var(--line-2);
}

.page-faq .faq-item[open] {
  border-color: rgba(255, 106, 26, 0.44);
  background: linear-gradient(180deg, rgba(255, 106, 26, 0.07), rgba(11, 27, 60, 0.9) 34%);
}

.page-faq .faq-item__q {
  position: relative;
  display: grid;
  grid-template-columns: auto minmax(0, 1fr) auto;
  align-items: center;
  gap: 12px;
  padding: 15px 16px;
  list-style: none;
  cursor: pointer;
}

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

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

.page-faq .faq-item__q::before {
  content: "";
  position: absolute;
  left: 0;
  top: 0;
  bottom: 0;
  width: 46%;
  background: linear-gradient(100deg, rgba(255, 106, 26, 0.20), rgba(255, 106, 26, 0) 78%);
  clip-path: polygon(0 0, 100% 0, calc(100% - 28px) 100%, 0 100%);
  opacity: 0;
  pointer-events: none;
  transition: opacity 0.24s var(--ease);
}

.page-faq .faq-item__q:hover::before,
.page-faq .faq-item[open] .faq-item__q::before {
  opacity: 1;
}

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

.page-faq .faq-item__num {
  position: relative;
  font-family: var(--font-numeric);
  font-size: 12px;
  font-weight: 700;
  letter-spacing: 0.06em;
  color: var(--orange);
}

.page-faq .faq-item__text {
  position: relative;
  font-size: 15.5px;
  font-weight: 600;
  line-height: 1.5;
  color: var(--cloud);
  transition: color 0.18s var(--ease);
}

.page-faq .faq-item[open] .faq-item__text {
  color: var(--ivory);
}

.page-faq .faq-item__mark {
  position: relative;
  flex: 0 0 auto;
  width: 20px;
  height: 20px;
  border: 1px solid var(--line-2);
  border-radius: 50%;
  transition: border-color 0.18s var(--ease), background 0.18s var(--ease);
}

.page-faq .faq-item[open] .faq-item__mark {
  border-color: rgba(255, 106, 26, 0.6);
  background: rgba(255, 106, 26, 0.12);
}

.page-faq .faq-item__mark::before,
.page-faq .faq-item__mark::after {
  content: "";
  position: absolute;
  left: 50%;
  top: 50%;
  background: var(--orange);
  transition: transform 0.24s var(--ease), opacity 0.24s var(--ease);
}

.page-faq .faq-item__mark::before {
  width: 10px;
  height: 2px;
  transform: translate(-50%, -50%);
}

.page-faq .faq-item__mark::after {
  width: 2px;
  height: 10px;
  transform: translate(-50%, -50%);
}

.page-faq .faq-item[open] .faq-item__mark::after {
  transform: translate(-50%, -50%) scaleY(0);
  opacity: 0;
}

.page-faq .faq-item__a {
  padding: 14px 16px 18px 46px;
  border-top: 1px solid var(--faq-line-soft);
  animation: faq-panel-open 0.3s var(--ease);
}

@keyframes faq-panel-open {
  from {
    opacity: 0;
    transform: translateY(-6px);
  }
  to {
    opacity: 1;
    transform: none;
  }
}

.page-faq .faq-item__a p {
  margin: 0 0 10px;
  max-width: 66ch;
  font-size: 14.8px;
  line-height: 1.85;
  color: var(--faq-body-text);
}

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

.page-faq .faq-item__a .faq-next {
  margin: 12px 0 0;
  font-size: 13px;
  color: var(--steel);
}

.page-faq .faq-item__a .faq-next a {
  color: var(--ice);
  text-decoration: none;
  border-bottom: 1px dashed rgba(127, 176, 255, 0.5);
  padding-bottom: 1px;
  transition: color 0.16s var(--ease), border-color 0.16s var(--ease);
}

.page-faq .faq-item__a .faq-next a:hover,
.page-faq .faq-item__a .faq-next a:focus-visible {
  color: var(--green);
  border-bottom-color: var(--green);
  outline: none;
}

.page-faq .faq-item__a .faq-warn {
  display: flex;
  align-items: flex-start;
  gap: 10px;
  margin: 12px 0 0;
  padding: 11px 14px;
  border: 1px solid rgba(255, 77, 94, 0.36);
  border-left-width: 3px;
  border-radius: var(--r-sm);
  background: rgba(255, 77, 94, 0.09);
  font-size: 13.5px;
  line-height: 1.7;
  color: var(--faq-warn-text);
}

.page-faq .faq-warn__dot {
  flex: 0 0 auto;
  width: 8px;
  height: 8px;
  margin-top: 6px;
  border-radius: 50%;
  background: var(--red);
  box-shadow: 0 0 0 4px rgba(255, 77, 94, 0.16);
}

/* ---------- 章节配图 ---------- */
.page-faq .faq-figure {
  margin: 22px 0 0;
  border: 1px solid var(--line);
  border-radius: var(--r-md);
  background: var(--ink-2);
  overflow: hidden;
}

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

.page-faq .faq-figure figcaption {
  padding: 12px 16px;
  border-top: 1px solid var(--faq-line-soft);
  background: rgba(5, 14, 36, 0.62);
  font-size: 13px;
  line-height: 1.7;
  color: var(--steel);
}

/* ---------- 末尾联络条 ---------- */
.page-faq .faq-cta {
  margin-top: clamp(38px, 6vw, 68px);
  border-top: 1px solid var(--line);
  border-bottom: 1px solid var(--line);
  background:
    linear-gradient(112deg, rgba(255, 106, 26, 0.16) 0%, rgba(255, 106, 26, 0) 52%),
    linear-gradient(292deg, rgba(53, 240, 166, 0.10) 0%, rgba(53, 240, 166, 0) 46%),
    var(--ink-2);
}

.page-faq .faq-cta__inner {
  display: flex;
  flex-direction: column;
  gap: 20px;
  padding: clamp(28px, 5vw, 50px) 0;
}

.page-faq .faq-cta__text h2 {
  margin: 0 0 10px;
  font-family: var(--font-display);
  font-weight: 800;
  font-size: clamp(20px, 2.8vw, 27px);
  line-height: 1.22;
  color: var(--ivory);
}

.page-faq .faq-cta__text p {
  margin: 0;
  max-width: 58ch;
  font-size: 14.5px;
  line-height: 1.8;
  color: var(--steel);
}

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

.page-faq .faq-cta__actions .copy-chip {
  font-family: inherit;
  cursor: pointer;
}

/* ---------- 平板与桌面 ---------- */
@media (min-width: 901px) {
  .page-faq .faq-body__inner {
    grid-template-columns: var(--faq-index-w) minmax(0, 1fr);
    gap: clamp(28px, 4vw, 56px);
  }

  .page-faq .faq-index {
    position: sticky;
    top: var(--faq-anchor);
    padding: 18px 16px;
  }

  .page-faq .faq-index__links {
    flex-direction: column;
    gap: 2px;
    padding: 0;
    overflow: visible;
  }

  .page-faq .faq-index__links > li {
    flex: 1 1 auto;
  }

  .page-faq .faq-index__link {
    display: flex;
    width: 100%;
    padding: 9px 12px;
    border-radius: var(--r-sm);
    white-space: normal;
  }

  .page-faq .faq-index__link:hover,
  .page-faq .faq-index__link:focus-visible {
    box-shadow: inset 3px 0 0 var(--orange);
  }

  .page-faq .faq-group__head {
    gap: 18px;
    padding-bottom: 14px;
    margin-bottom: 16px;
  }

  .page-faq .faq-item__q {
    padding: 17px 20px;
  }

  .page-faq .faq-item__a {
    padding: 16px 20px 20px 50px;
  }

  .page-faq .faq-figure {
    margin-top: 26px;
  }

  .page-faq .faq-cta__inner {
    flex-direction: row;
    align-items: center;
    justify-content: space-between;
    gap: 44px;
  }

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

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

@media (min-width: 1200px) {
  .page-faq .faq-item__a {
    padding-left: 62px;
  }
}

/* ---------- 动效降级 ---------- */
@media (prefers-reduced-motion: reduce) {
  .page-faq .faq-item__a {
    animation: none;
  }

  .page-faq .faq-item__mark::before,
  .page-faq .faq-item__mark::after,
  .page-faq .faq-item__q::before,
  .page-faq .faq-item__link,
  .page-faq .faq-index__link {
    transition: none;
  }
}
<<<END>>>