.page-faq {
  background: var(--ink-950);
  color: var(--paper);
  font-family: var(--font-body);
  overflow-x: hidden;
}

/* ---------- 面包屑 ---------- */
.page-faq .crumbs {
  padding: clamp(16px, 2.4vw, 26px) 0 0;
}
.page-faq .crumbs__link {
  color: var(--muted);
  font-size: 12px;
  letter-spacing: 0.08em;
  text-decoration: none;
}
.page-faq .crumbs__link[aria-current="page"] {
  color: var(--cyan);
}

/* ---------- 首屏 ---------- */
.page-faq .faq-hero {
  position: relative;
  isolation: isolate;
  overflow: hidden;
  padding: clamp(28px, 5vw, 54px) 0 clamp(38px, 6vw, 76px);
  border-bottom: 1px solid var(--line);
  background: linear-gradient(180deg, var(--ink-900) 0%, var(--ink-950) 84%);
}
.page-faq .faq-hero::before {
  content: "";
  position: absolute;
  z-index: -1;
  right: -14%;
  bottom: -46%;
  width: 70%;
  height: 130%;
  background: radial-gradient(closest-side, rgba(18, 224, 200, 0.18), rgba(18, 224, 200, 0) 72%);
  pointer-events: none;
}
.page-faq .faq-hero::after {
  content: "";
  position: absolute;
  z-index: -1;
  top: 0;
  right: 0;
  width: min(44%, 540px);
  height: 100%;
  background: repeating-linear-gradient(115deg, rgba(123, 243, 228, 0.13) 0 1px, transparent 1px 24px);
  clip-path: polygon(20% 0, 100% 0, 100% 100%, 0 100%);
  opacity: 0.6;
  pointer-events: none;
}
.page-faq .faq-hero__inner {
  display: grid;
  gap: clamp(26px, 4vw, 46px);
}
.page-faq .faq-hero h1 {
  font-family: var(--font-display);
  font-weight: 800;
  font-size: clamp(32px, 7.4vw, 70px);
  line-height: 1.05;
  letter-spacing: -0.015em;
  margin: 14px 0 0;
}
.page-faq .faq-hero .lede {
  margin: 18px 0 0;
  max-width: 46ch;
  font-size: clamp(15px, 1.6vw, 17px);
  line-height: 1.9;
  color: rgba(242, 247, 244, 0.76);
}
.page-faq .faq-hero .index-label {
  color: var(--cyan);
}

.page-faq .faq-hero__facts {
  margin: 0;
  display: grid;
  gap: clamp(16px, 2.4vw, 24px);
  padding-left: clamp(16px, 2vw, 26px);
  border-left: 1px solid var(--line-cyan);
}
.page-faq .faq-fact {
  display: grid;
  gap: 2px;
}
.page-faq .faq-fact__label {
  font-size: 11px;
  letter-spacing: 0.16em;
  color: var(--muted);
}
.page-faq .faq-fact__val {
  margin: 2px 0 0;
  font-family: var(--font-display);
  font-weight: 800;
  font-size: clamp(23px, 3vw, 33px);
  line-height: 1.14;
  color: var(--cyan);
}
.page-faq .faq-fact__note {
  margin: 0;
  font-size: 13px;
  line-height: 1.7;
  color: var(--muted);
}

/* ---------- 分类索引条 ---------- */
.page-faq .faq-index {
  background: var(--ink-950);
  border-bottom: 1px solid var(--line);
}
.page-faq .faq-index__inner {
  display: flex;
  gap: 8px;
  overflow-x: auto;
  padding-top: 14px;
  padding-bottom: 14px;
  scrollbar-width: none;
}
.page-faq .faq-index__inner::-webkit-scrollbar {
  display: none;
}
.page-faq .faq-chip {
  flex: 0 0 auto;
  display: inline-flex;
  align-items: center;
  gap: 8px;
  padding: 9px 16px 9px 12px;
  border: 1px solid var(--line);
  color: var(--paper);
  font-size: 13px;
  letter-spacing: 0.02em;
  text-decoration: none;
  clip-path: polygon(0 0, calc(100% - 9px) 0, 100% 100%, 0 100%);
  transition: border-color 0.18s var(--ease), background 0.18s var(--ease), color 0.18s var(--ease);
}
.page-faq .faq-chip__n {
  font-family: var(--font-num);
  font-size: 11px;
  letter-spacing: 0.08em;
  color: var(--cyan);
  transition: color 0.18s var(--ease);
}
.page-faq .faq-chip:hover,
.page-faq .faq-chip:focus-visible {
  border-color: var(--line-cyan);
  background: rgba(18, 224, 200, 0.08);
  color: var(--cyan-soft);
}
.page-faq .faq-chip:hover .faq-chip__n,
.page-faq .faq-chip:focus-visible .faq-chip__n {
  color: var(--cyan-soft);
}

/* ---------- 章节骨架 ---------- */
.page-faq .faq-block {
  padding: clamp(42px, 7vw, 82px) 0;
  border-bottom: 1px solid var(--line);
}
.page-faq .faq-block--deep {
  background: var(--ink-900);
}
.page-faq .faq-block__inner {
  display: grid;
  gap: clamp(26px, 4vw, 42px);
}
.page-faq .faq-block__head .index-label {
  color: var(--cyan);
}
.page-faq .faq-block__head h2 {
  margin: 10px 0 14px;
  font-family: var(--font-display);
  font-weight: 800;
  font-size: clamp(24px, 3.4vw, 38px);
  line-height: 1.18;
  letter-spacing: -0.01em;
}
.page-faq .faq-block__head .prose {
  margin: 0;
  font-size: 15px;
  line-height: 1.9;
  color: rgba(242, 247, 244, 0.74);
}

/* ---------- 配图 ---------- */
.page-faq .faq-figure {
  margin: clamp(20px, 3vw, 30px) 0 0;
}
.page-faq .faq-figure img {
  display: block;
  width: 100%;
  height: auto;
  object-fit: cover;
  border-radius: var(--radius);
  box-shadow: 0 0 0 1px var(--line), var(--shadow);
  filter: saturate(0.9) contrast(1.04);
}
.page-faq .faq-figure__cap {
  margin-top: 10px;
  font-size: 12px;
  line-height: 1.6;
  letter-spacing: 0.04em;
  color: var(--muted);
}
.page-faq .faq-figure--tall img {
  max-height: 520px;
}

/* ---------- 问答手风琴 ---------- */
.page-faq .faq-list {
  border-top: 1px solid var(--line-strong);
}
.page-faq .faq-item {
  border-bottom: 1px solid var(--line);
}
.page-faq .faq-item__q {
  display: grid;
  grid-template-columns: 26px minmax(0, 1fr) 16px;
  align-items: start;
  gap: 12px;
  padding: clamp(16px, 2.2vw, 22px) 0;
  cursor: pointer;
  list-style: none;
}
.page-faq .faq-item__q::-webkit-details-marker {
  display: none;
}
.page-faq .faq-item__q::marker {
  content: "";
}
.page-faq .faq-item__q:focus-visible {
  outline: 1px solid var(--line-cyan);
  outline-offset: 4px;
}
.page-faq .faq-item__num {
  padding-top: 6px;
  font-family: var(--font-num);
  font-size: 11.5px;
  letter-spacing: 0.1em;
  color: var(--cyan);
}
.page-faq .faq-item__text {
  font-size: clamp(15.5px, 1.5vw, 18px);
  font-weight: 600;
  line-height: 1.6;
  color: var(--paper);
  transition: color 0.18s var(--ease);
}
.page-faq .faq-item__q:hover .faq-item__text {
  color: var(--cyan-soft);
}
.page-faq .faq-item__sign {
  position: relative;
  justify-self: end;
  width: 15px;
  height: 15px;
  margin-top: 6px;
}
.page-faq .faq-item__sign::before,
.page-faq .faq-item__sign::after {
  content: "";
  position: absolute;
  background: var(--cyan-soft);
  border-radius: 1px;
  transition: transform 0.22s var(--ease), opacity 0.22s var(--ease);
}
.page-faq .faq-item__sign::before {
  left: 0;
  right: 0;
  top: 7px;
  height: 1.5px;
}
.page-faq .faq-item__sign::after {
  top: 0;
  bottom: 0;
  left: 7px;
  width: 1.5px;
}
.page-faq .faq-item[open] .faq-item__sign::after {
  transform: scaleY(0);
  opacity: 0;
}

.page-faq .faq-item__a {
  margin: 0 0 clamp(18px, 2.4vw, 26px) 24px;
  padding-left: clamp(12px, 2vw, 20px);
  border-left: 1px solid var(--line-cyan);
  max-width: 68ch;
  animation: faq-fade 0.22s var(--ease);
}
@keyframes faq-fade {
  from {
    opacity: 0;
    transform: translateY(-4px);
  }
  to {
    opacity: 1;
    transform: none;
  }
}
.page-faq .faq-item__a p {
  margin: 0 0 12px;
  font-size: 15px;
  line-height: 1.9;
  color: rgba(242, 247, 244, 0.82);
}
.page-faq .faq-item__a p:last-child {
  margin-bottom: 0;
}
.page-faq .faq-item__a strong {
  color: var(--cyan-soft);
  font-weight: 600;
}
.page-faq .faq-item__a .link-cyan {
  color: var(--cyan);
  text-decoration: none;
  border-bottom: 1px solid var(--line-cyan);
}
.page-faq .faq-item__a .link-cyan:hover {
  color: var(--cyan-soft);
}

/* ---------- 步骤条 ---------- */
.page-faq .faq-steps {
  counter-reset: faq-step;
  list-style: none;
  margin: 14px 0 14px;
  padding: 0;
  display: grid;
  gap: 10px;
}
.page-faq .faq-steps li {
  position: relative;
  padding-left: 40px;
  font-size: 14.5px;
  line-height: 1.75;
  color: rgba(242, 247, 244, 0.9);
}
.page-faq .faq-steps li::before {
  counter-increment: faq-step;
  content: counter(faq-step, decimal-leading-zero);
  position: absolute;
  left: 0;
  top: 2px;
  padding: 2px 6px;
  border-radius: var(--radius);
  background: var(--cyan);
  color: var(--ink-950);
  font-family: var(--font-num);
  font-size: 11px;
  letter-spacing: 0.1em;
  line-height: 1.4;
}

/* ---------- 收口区 ---------- */
.page-faq .faq-cta {
  position: relative;
  padding: clamp(46px, 7vw, 88px) 0;
  background: var(--paper);
  color: var(--charcoal);
  overflow: hidden;
}
.page-faq .faq-cta::before {
  content: "";
  position: absolute;
  top: -30%;
  right: -8%;
  width: 46%;
  height: 160%;
  background: linear-gradient(145deg, rgba(18, 224, 200, 0.16), rgba(18, 224, 200, 0));
  clip-path: polygon(24% 0, 100% 0, 100% 100%, 0 100%);
  pointer-events: none;
}
.page-faq .faq-cta__inner {
  position: relative;
  max-width: 780px;
}
.page-faq .faq-cta .index-label {
  color: var(--ink-700);
}
.page-faq .faq-cta__title {
  margin: 10px 0 16px;
  font-family: var(--font-display);
  font-weight: 800;
  font-size: clamp(24px, 3.6vw, 40px);
  line-height: 1.18;
  letter-spacing: -0.01em;
  color: var(--charcoal);
}
.page-faq .faq-cta__text {
  margin: 0;
  font-size: 15.5px;
  line-height: 1.9;
  color: rgba(11, 26, 21, 0.76);
}
.page-faq .faq-cta__actions {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  gap: clamp(14px, 3vw, 28px);
  margin-top: clamp(24px, 3.4vw, 34px);
}
.page-faq .faq-cta__link {
  display: inline-block;
  font-size: 14.5px;
  font-weight: 600;
  color: var(--ink-800);
  text-decoration: none;
  border-bottom: 2px solid var(--cyan);
  padding-bottom: 2px;
  transition: color 0.18s var(--ease), border-color 0.18s var(--ease);
}
.page-faq .faq-cta__link:hover,
.page-faq .faq-cta__link:focus-visible {
  color: var(--charcoal);
  border-color: var(--ink-700);
}

/* ---------- 断点 ---------- */
@media (max-width: 700px) {
  .page-faq .faq-hero::after {
    display: none;
  }
  .page-faq .faq-hero::before {
    right: -30%;
    width: 100%;
  }
  .page-faq .faq-item__a {
    margin-left: 12px;
    padding-left: 14px;
  }
  .page-faq .faq-figure--tall img {
    max-height: 420px;
  }
}

@media (min-width: 900px) {
  .page-faq .faq-hero__inner {
    grid-template-columns: minmax(0, 7fr) minmax(280px, 5fr);
    align-items: end;
    gap: clamp(36px, 6vw, 84px);
  }
  .page-faq .faq-hero__facts {
    padding-bottom: 6px;
  }
  .page-faq .faq-block__inner {
    grid-template-columns: minmax(0, 5fr) minmax(0, 7fr);
    gap: clamp(40px, 6vw, 96px);
    align-items: start;
  }
  .page-faq .faq-figure img {
    max-width: 100%;
  }
  .page-faq .faq-cta__inner {
    margin-left: auto;
    margin-right: auto;
  }
}

@media (min-width: 1180px) {
  .page-faq .faq-block__inner {
    grid-template-columns: minmax(0, 4fr) minmax(0, 8fr);
  }
}

@media (prefers-reduced-motion: reduce) {
  .page-faq .faq-item__a {
    animation: none;
  }
  .page-faq .faq-item__sign::before,
  .page-faq .faq-item__sign::after {
    transition: none;
  }
}
<<<END>>>