.page-faq {
  --qa-line: rgba(234, 241, 246, .13);
  --qa-strong: var(--text);
  --qa-body: #C4D2DC;
  --qa-mute: var(--mute);
  --qa-accent: var(--cyan);
}

.page-faq .breadcrumb {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  gap: 10px;
  padding: clamp(16px, 3vw, 28px) 0 0;
  font-family: var(--font-mono);
  font-size: 12.5px;
  letter-spacing: .04em;
  color: var(--mute);
}

.page-faq .breadcrumb span[aria-hidden="true"] {
  color: var(--deep);
}

.page-faq .breadcrumb a {
  color: var(--mute);
  text-decoration: none;
  border-bottom: 1px solid transparent;
  transition: color var(--t), border-color var(--t);
}

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

/* ---------- 首屏 ---------- */

.page-faq .faq-hero {
  display: grid;
  gap: clamp(30px, 6vw, 58px);
  align-items: end;
  padding: clamp(26px, 5vw, 52px) 0 clamp(42px, 8vw, 88px);
}

.page-faq .faq-hero h1 {
  margin: 14px 0 0;
  max-width: 19ch;
  font-size: clamp(29px, 6.2vw, 58px);
  line-height: 1.1;
  font-weight: 900;
  letter-spacing: -0.028em;
  color: var(--text);
}

.page-faq .faq-hero__lede {
  margin: 20px 0 0;
  max-width: 48ch;
  font-size: clamp(14.5px, 1.6vw, 16.5px);
  line-height: 1.78;
  color: var(--mute);
}

.page-faq .faq-hero__jump {
  display: flex;
  flex-wrap: wrap;
  gap: 8px 10px;
  margin: 26px 0 0;
  padding: 0;
  list-style: none;
}

.page-faq .faq-hero__jump a {
  display: inline-block;
  padding: 7px 14px;
  border: 1px solid var(--line);
  font-family: var(--font-mono);
  font-size: 12.5px;
  letter-spacing: .04em;
  color: var(--text);
  text-decoration: none;
  transition: border-color var(--t), color var(--t), background var(--t);
}

.page-faq .faq-hero__jump a:hover,
.page-faq .faq-hero__jump a:focus-visible {
  border-color: var(--cyan);
  color: var(--cyan);
  background: rgba(34, 224, 214, .07);
  outline: none;
}

.page-faq .faq-hero__figure {
  margin: 0;
}

.page-faq .faq-hero__figure img {
  display: block;
  width: 100%;
  max-width: 100%;
  height: auto;
  object-fit: cover;
  border: 1px solid var(--line);
  clip-path: polygon(0 0, 100% 0, 100% 88%, 84% 100%, 0 100%);
}

.page-faq .faq-hero__figure figcaption {
  margin-top: 12px;
  font-family: var(--font-mono);
  font-size: 12px;
  line-height: 1.7;
  letter-spacing: .03em;
  color: var(--mute);
}

/* ---------- 问答分区 ---------- */

.page-faq .faq-block {
  padding: clamp(46px, 8vw, 96px) 0;
}

.page-faq .faq-block--dark {
  background:
    radial-gradient(120% 88% at 90% 0%, rgba(123, 92, 255, .12), transparent 56%),
    var(--ink);
  border-top: 1px solid var(--line-soft);
}

.page-faq .faq-block--paper {
  --qa-line: rgba(11, 14, 19, .16);
  --qa-strong: #0B0E13;
  --qa-body: #2C3A44;
  --qa-mute: #55656F;
  --qa-accent: #0A6A64;
  background: var(--paper);
  border-top: 1px solid rgba(11, 14, 19, .08);
}

.page-faq .faq-block__head {
  display: grid;
  gap: 10px;
  max-width: 60ch;
  margin-bottom: clamp(30px, 5.5vw, 58px);
}

.page-faq .faq-block__no {
  font-family: var(--font-mono);
  font-size: 12.5px;
  letter-spacing: .2em;
  color: var(--qa-accent);
}

.page-faq .faq-block__head h2 {
  margin: 0;
  font-size: clamp(21px, 3.4vw, 34px);
  line-height: 1.22;
  font-weight: 800;
  letter-spacing: -0.018em;
  color: var(--qa-strong);
}

.page-faq .faq-block__desc {
  margin: 0;
  max-width: 52ch;
  font-size: 14.5px;
  line-height: 1.76;
  color: var(--qa-mute);
}

/* ---------- 问答条目 ---------- */

.page-faq .faq-list {
  display: grid;
  gap: clamp(26px, 4.4vw, 50px);
}

.page-faq .faq-item {
  border-top: 1px solid var(--qa-line);
  padding-top: clamp(16px, 2.6vw, 26px);
}

.page-faq .faq-item__q {
  display: grid;
  grid-template-columns: 2.4rem minmax(0, 1fr) 1.5rem;
  gap: 0 12px;
  align-items: start;
  padding: 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: 2px solid var(--qa-accent);
  outline-offset: 6px;
}

.page-faq .faq-item__num {
  font-family: var(--font-mono);
  font-size: clamp(19px, 3.2vw, 27px);
  font-weight: 700;
  line-height: 1.02;
  letter-spacing: -0.03em;
  font-variant-numeric: tabular-nums;
  color: var(--qa-mute);
  transition: color var(--t);
}

.page-faq .faq-item[open] > .faq-item__q .faq-item__num {
  color: var(--qa-accent);
}

.page-faq .faq-item__label {
  font-size: clamp(16px, 2.1vw, 20px);
  line-height: 1.5;
  font-weight: 700;
  letter-spacing: -0.008em;
  color: var(--qa-strong);
  transition: color var(--t);
}

.page-faq .faq-item__q:hover .faq-item__label {
  color: var(--qa-accent);
}

.page-faq .faq-item__mark {
  position: relative;
  justify-self: end;
  width: 16px;
  height: 16px;
  margin-top: 5px;
  color: var(--qa-mute);
  transition: color var(--t);
}

.page-faq .faq-item__mark::before {
  content: "";
  position: absolute;
  top: 50%;
  left: 50%;
  width: 7px;
  height: 7px;
  border-right: 2px solid currentColor;
  border-bottom: 2px solid currentColor;
  transform: translate(-50%, -70%) rotate(45deg);
  transition: transform var(--t), border-color var(--t);
}

.page-faq .faq-item[open] .faq-item__mark {
  color: var(--qa-accent);
}

.page-faq .faq-item[open] .faq-item__mark::before {
  transform: translate(-50%, -30%) rotate(225deg);
}

.page-faq .faq-item__body {
  margin: 16px 0 0;
  padding-left: 16px;
  border-left: 1px solid var(--qa-accent);
  animation: faq-open var(--t) ease-out both;
}

@keyframes faq-open {
  from {
    opacity: 0;
    transform: translateY(-4px);
  }
  to {
    opacity: 1;
    transform: translateY(0);
  }
}

.page-faq .faq-item__body p {
  margin: 0 0 12px;
  max-width: 62ch;
  font-size: clamp(14.5px, 1.55vw, 15.5px);
  line-height: 1.78;
  color: var(--qa-body);
}

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

/* ---------- 区间刻度图 ---------- */

.page-faq .faq-inline-figure {
  margin: clamp(30px, 5vw, 48px) 0 0;
}

.page-faq .faq-inline-figure img {
  display: block;
  width: 100%;
  max-width: 100%;
  height: auto;
  object-fit: cover;
  border: 1px solid var(--qa-line);
}

.page-faq .faq-inline-figure figcaption {
  margin-top: 10px;
  font-family: var(--font-mono);
  font-size: 12px;
  letter-spacing: .05em;
  color: var(--qa-mute);
}

/* ---------- 出口区块 ---------- */

.page-faq .faq-exit {
  padding: clamp(40px, 7vw, 88px) 0 clamp(56px, 9vw, 108px);
}

.page-faq .faq-exit__panel {
  position: relative;
  padding: clamp(26px, 4.6vw, 50px) clamp(22px, 4vw, 48px);
  background:
    linear-gradient(115deg, rgba(123, 92, 255, .18) 0%, rgba(11, 14, 19, 0) 50%),
    var(--panel);
  clip-path: polygon(0 0, 100% 0, 100% calc(100% - 34px), calc(100% - 34px) 100%, 0 100%);
}

.page-faq .faq-exit__panel::before {
  content: "";
  position: absolute;
  top: 0;
  left: 0;
  bottom: 0;
  width: 3px;
  background: linear-gradient(180deg, var(--cyan) 0%, var(--purple) 58%, var(--orange) 100%);
}

.page-faq .faq-exit__panel h2 {
  margin: 0;
  font-size: clamp(20px, 3vw, 30px);
  line-height: 1.24;
  font-weight: 800;
  letter-spacing: -0.016em;
  color: var(--text);
}

.page-faq .faq-exit__panel p {
  margin: 14px 0 0;
  max-width: 58ch;
  font-size: 14.5px;
  line-height: 1.78;
  color: var(--mute);
}

.page-faq .faq-exit .btn-row {
  display: flex;
  flex-wrap: wrap;
  gap: 12px;
  margin-top: 26px;
}

/* ---------- 响应式 ---------- */

@media (min-width: 760px) {
  .page-faq .faq-item__q {
    grid-template-columns: 3.4rem minmax(0, 1fr) 1.6rem;
    gap: 0 18px;
  }

  .page-faq .faq-item__num {
    font-size: clamp(26px, 2.8vw, 36px);
  }

  .page-faq .faq-item__body {
    margin-left: calc(3.4rem + 18px);
    padding-left: 22px;
  }

  .page-faq .faq-inline-figure {
    max-width: 760px;
  }
}

@media (min-width: 960px) {
  .page-faq .faq-hero {
    grid-template-columns: minmax(0, 7fr) minmax(0, 5fr);
    gap: clamp(44px, 6vw, 84px);
  }

  .page-faq .faq-block__head {
    grid-template-columns: minmax(0, 1fr);
  }
}

@media (max-width: 479px) {
  .page-faq .faq-item__q {
    grid-template-columns: 2rem minmax(0, 1fr) 1.2rem;
    gap: 0 10px;
  }

  .page-faq .faq-item__num {
    font-size: 17px;
  }

  .page-faq .faq-item__label {
    font-size: 15.5px;
  }

  .page-faq .faq-item__body {
    padding-left: 12px;
  }

  .page-faq .faq-exit__panel {
    clip-path: polygon(0 0, 100% 0, 100% calc(100% - 20px), calc(100% - 20px) 100%, 0 100%);
  }

  .page-faq .faq-exit .btn-row .btn {
    width: 100%;
    text-align: center;
  }
}
<<<END>>>