.page-faq {
  --faq-ink: #14263F;
  --faq-line-strong: rgba(8, 21, 43, .12);
}

/* ---------- 首屏 ---------- */
.page-faq .faq-hero {
  position: relative;
  overflow: hidden;
  color: var(--paper);
  background:
    radial-gradient(88% 72% at 94% -6%, rgba(255, 143, 92, .36) 0%, rgba(255, 143, 92, 0) 62%),
    radial-gradient(76% 62% at 4% 104%, rgba(27, 62, 107, .92) 0%, rgba(27, 62, 107, 0) 68%),
    linear-gradient(158deg, #08152B 0%, #0F2544 58%, #08152B 100%);
  padding: calc(var(--header-h) + clamp(22px, 4.5vw, 44px)) 0 clamp(38px, 6.5vw, 70px);
}

.page-faq .faq-hero::after {
  content: "";
  position: absolute;
  inset: 0;
  pointer-events: none;
  background-image: radial-gradient(rgba(244, 246, 250, .14) 1px, transparent 1px);
  background-size: 3px 3px;
  opacity: .32;
}

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

.page-faq .breadcrumb__list {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  gap: 8px;
  list-style: none;
  margin: 0 0 var(--sp-3);
  padding: 0;
  font-family: var(--font-mono);
  font-size: 12px;
  letter-spacing: .04em;
}

.page-faq .faq-hero .breadcrumb__link {
  color: rgba(244, 246, 250, .72);
  text-decoration: none;
  transition: color .2s var(--ease);
}

.page-faq .faq-hero .breadcrumb__link:hover,
.page-faq .faq-hero .breadcrumb__link:focus-visible {
  color: var(--acid);
}

.page-faq .faq-hero .breadcrumb__sep {
  color: rgba(244, 246, 250, .38);
}

.page-faq .faq-hero .breadcrumb__current {
  color: var(--paper);
}

.page-faq .faq-hero .eyebrow {
  color: var(--orange-300);
  font-family: var(--font-mono);
  font-size: 12px;
  letter-spacing: .18em;
  margin: 0 0 var(--sp-2);
}

.page-faq .faq-hero__body {
  display: grid;
  gap: var(--sp-4);
  margin-top: var(--sp-2);
}

.page-faq .faq-hero h1 {
  margin: 0 0 var(--sp-3);
  font-family: var(--font-display);
  font-weight: 900;
  letter-spacing: -.03em;
  line-height: 1.16;
  font-size: clamp(29px, 5.6vw, 56px);
  max-width: 17ch;
}

.page-faq .faq-hero__lead {
  margin: 0;
  max-width: 54ch;
  font-size: clamp(15px, 1.6vw, 17px);
  line-height: 1.85;
  color: rgba(244, 246, 250, .78);
}

.page-faq .faq-hero__marks {
  list-style: none;
  margin: 0;
  padding: var(--sp-3) 0 0;
  border-top: 1px solid rgba(244, 246, 250, .18);
  display: grid;
  grid-template-columns: repeat(3, minmax(0, 1fr));
  gap: var(--sp-2);
}

.page-faq .faq-hero__num {
  display: block;
  font-family: var(--font-mono);
  font-size: clamp(20px, 2.6vw, 28px);
  font-weight: 700;
  line-height: 1.1;
  color: var(--acid);
}

.page-faq .faq-hero__lbl {
  display: block;
  margin-top: 6px;
  font-size: 12.5px;
  line-height: 1.5;
  color: rgba(244, 246, 250, .68);
}

/* ---------- 主布局 ---------- */
.page-faq .faq-layout {
  display: grid;
  gap: var(--sp-3);
  padding-top: clamp(34px, 6vw, 68px);
  padding-bottom: clamp(38px, 6.5vw, 76px);
}

/* ---------- 左侧索引 ---------- */
.page-faq .faq-index__title {
  display: flex;
  align-items: center;
  gap: 8px;
  margin: 0 0 var(--sp-2);
  font-family: var(--font-mono);
  font-size: 12px;
  font-weight: 500;
  letter-spacing: .18em;
  color: var(--ink-soft);
}

.page-faq .faq-index__title::before {
  content: "";
  width: 18px;
  height: 2px;
  background: var(--orange);
}

.page-faq .faq-index__list {
  list-style: none;
  margin: 0;
  padding: 0;
  display: flex;
  flex-direction: column;
  gap: 2px;
}

.page-faq .faq-index__link {
  display: grid;
  grid-template-columns: 28px minmax(0, 1fr);
  gap: 8px;
  align-items: baseline;
  padding: 9px 10px;
  border-radius: 8px;
  color: var(--blue-700);
  text-decoration: none;
  font-size: 14px;
  line-height: 1.45;
  transition: background-color .22s var(--ease), color .22s var(--ease), padding-left .22s var(--ease);
}

.page-faq .faq-index__no {
  font-family: var(--font-mono);
  font-size: 12px;
  color: var(--orange);
}

.page-faq .faq-index__link:hover,
.page-faq .faq-index__link:focus-visible {
  background: var(--mist);
  color: var(--blue-900);
  padding-left: 14px;
}

/* ---------- 问答卡片 ---------- */
.page-faq .qa {
  margin: 0 0 var(--sp-2);
  background: #FFFFFF;
  border: 1px solid var(--line);
  border-radius: 14px;
  scroll-margin-top: calc(var(--header-h) + 24px);
  box-shadow: 0 16px 34px -30px rgba(8, 21, 43, .8);
  transition: border-color .28s var(--ease), box-shadow .28s var(--ease);
}

.page-faq .qa[open] {
  border-color: rgba(255, 90, 31, .42);
  box-shadow: 0 22px 44px -30px rgba(8, 21, 43, .6);
}

.page-faq .qa__head {
  display: grid;
  grid-template-columns: auto minmax(0, 1fr) auto;
  align-items: center;
  gap: 12px;
  padding: 16px clamp(14px, 2.2vw, 24px);
  cursor: pointer;
  list-style: none;
}

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

.page-faq .qa__head:focus-visible {
  outline: 2px solid var(--orange);
  outline-offset: -3px;
  border-radius: 14px;
}

.page-faq .qa__no {
  font-family: var(--font-mono);
  font-size: 13px;
  font-weight: 700;
  color: var(--ink-soft);
  line-height: 1;
  transition: color .24s var(--ease);
}

.page-faq .qa[open] .qa__no {
  color: var(--orange);
}

.page-faq .qa__title {
  font-family: var(--font-display);
  font-size: clamp(16px, 1.9vw, 18.5px);
  font-weight: 700;
  letter-spacing: -.01em;
  line-height: 1.45;
  color: var(--blue-900);
}

.page-faq .qa__mark {
  position: relative;
  width: 30px;
  height: 30px;
  border-radius: 50%;
  border: 1px solid var(--line);
  display: grid;
  place-items: center;
  transition: background-color .26s var(--ease), border-color .26s var(--ease);
}

.page-faq .qa__mark::before,
.page-faq .qa__mark::after {
  content: "";
  position: absolute;
  background: var(--blue-900);
  border-radius: 2px;
  transition: opacity .24s var(--ease);
}

.page-faq .qa__mark::before {
  width: 12px;
  height: 2px;
}

.page-faq .qa__mark::after {
  width: 2px;
  height: 12px;
}

.page-faq .qa[open] .qa__mark {
  background: var(--acid);
  border-color: var(--acid);
}

.page-faq .qa[open] .qa__mark::after {
  opacity: 0;
}

.page-faq .qa__body {
  padding: 0 clamp(14px, 2.2vw, 24px) clamp(22px, 3vw, 32px);
}

.page-faq .qa__inner {
  border-left: 3px solid var(--orange);
  padding-left: clamp(14px, 2vw, 22px);
}

.page-faq .qa__inner > p {
  margin: 0 0 16px;
  font-size: 15.5px;
  line-height: 1.82;
  color: var(--faq-ink);
}

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

.page-faq .qa__inner a {
  color: var(--blue-700);
  text-decoration: none;
  border-bottom: 2px solid var(--orange-300);
  transition: color .2s var(--ease), border-color .2s var(--ease);
}

.page-faq .qa__inner a:hover,
.page-faq .qa__inner a:focus-visible {
  color: var(--orange);
  border-color: var(--orange);
}

.page-faq .qa__split {
  display: grid;
  gap: var(--sp-3);
}

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

.page-faq .qa__figure img {
  display: block;
  width: 100%;
  height: auto;
  border-radius: 12px;
  border: 1px solid var(--line);
  box-shadow: 10px 10px 0 var(--mist);
  object-fit: cover;
}

.page-faq .qa__caption {
  margin-top: 12px;
  font-family: var(--font-mono);
  font-size: 11.5px;
  line-height: 1.7;
  color: var(--ink-soft);
}

.page-faq .qa__wide {
  margin: 0 0 var(--sp-3);
}

.page-faq .qa__wide img {
  display: block;
  width: 100%;
  height: auto;
  border-radius: 12px;
  border: 1px solid var(--line);
  object-fit: cover;
}

.page-faq .qa__sub {
  display: flex;
  align-items: center;
  gap: 8px;
  margin: var(--sp-3) 0 var(--sp-2);
  font-family: var(--font-mono);
  font-size: 12px;
  letter-spacing: .12em;
  color: var(--ink-soft);
}

.page-faq .qa__sub::before {
  content: "";
  width: 14px;
  height: 2px;
  background: var(--orange);
}

/* ---------- 步骤流程条 ---------- */
.page-faq .steps {
  list-style: none;
  margin: 0 0 var(--sp-3);
  padding: 0;
  display: grid;
  gap: 10px;
}

.page-faq .steps__item {
  background: var(--paper);
  border: 1px solid var(--line);
  border-radius: 12px;
  padding: 14px 14px 16px;
}

.page-faq .steps__item.is-current {
  background: var(--acid);
  border-color: var(--acid);
  box-shadow: 0 16px 30px -24px rgba(8, 21, 43, .9);
}

.page-faq .steps__no {
  display: inline-grid;
  place-items: center;
  width: 24px;
  height: 24px;
  margin-bottom: 10px;
  border-radius: 50%;
  background: var(--blue-900);
  color: var(--paper);
  font-family: var(--font-mono);
  font-size: 12px;
  font-weight: 700;
  line-height: 1;
}

.page-faq .steps__t {
  margin: 0 0 6px;
  font-size: 14.5px;
  font-weight: 700;
  line-height: 1.5;
  color: var(--blue-900);
}

.page-faq .steps__d {
  margin: 0;
  font-size: 13.5px;
  line-height: 1.75;
  color: var(--ink-soft);
}

.page-faq .steps__item.is-current .steps__d {
  color: var(--acid-ink);
}

/* ---------- 编号清单 ---------- */
.page-faq .qa__list {
  list-style: none;
  margin: 0 0 var(--sp-3);
  padding: 0;
  display: grid;
  gap: 12px;
  counter-reset: chk;
}

.page-faq .qa__list > li {
  position: relative;
  padding-left: 40px;
  font-size: 15px;
  line-height: 1.8;
  color: var(--faq-ink);
}

.page-faq .qa__list > li::before {
  counter-increment: chk;
  content: counter(chk, decimal-leading-zero);
  position: absolute;
  left: 0;
  top: 3px;
  font-family: var(--font-mono);
  font-size: 13px;
  font-weight: 700;
  color: var(--orange);
}

.page-faq .qa__list > li strong {
  color: var(--blue-900);
}

/* ---------- 提示块 ---------- */
.page-faq .qa__note {
  background: var(--mist);
  border-radius: 10px;
  padding: 12px 14px;
  font-size: 14px;
  line-height: 1.75;
  color: var(--blue-900);
}

/* ---------- 尾段 ---------- */
.page-faq .faq-tail {
  position: relative;
  overflow: hidden;
  color: var(--paper);
  background: linear-gradient(150deg, #08152B 0%, #0F2544 58%, #12294A 100%);
  padding: clamp(38px, 6.5vw, 78px) 0;
}

.page-faq .faq-tail::before {
  content: "";
  position: absolute;
  inset: 0;
  pointer-events: none;
  background: linear-gradient(102deg, transparent 42%, rgba(255, 143, 92, .22) 68%, transparent 92%);
}

.page-faq .faq-tail__inner {
  position: relative;
  z-index: 1;
  display: grid;
  gap: var(--sp-3);
}

.page-faq .faq-tail h2 {
  margin: 0 0 var(--sp-2);
  font-family: var(--font-display);
  font-weight: 900;
  letter-spacing: -.03em;
  line-height: 1.2;
  font-size: clamp(22px, 3.4vw, 34px);
}

.page-faq .faq-tail p {
  margin: 0;
  max-width: 52ch;
  font-size: 15px;
  line-height: 1.85;
  color: rgba(244, 246, 250, .76);
}

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

/* ---------- 平板与桌面 ---------- */
@media (min-width: 760px) {
  .page-faq .steps {
    grid-template-columns: repeat(3, minmax(0, 1fr));
    gap: 12px;
  }

  .page-faq .qa__split {
    grid-template-columns: minmax(0, 1fr) 224px;
    gap: var(--sp-4);
    align-items: start;
  }
}

@media (min-width: 880px) {
  .page-faq .faq-hero__body {
    grid-template-columns: minmax(0, 1.4fr) minmax(0, .6fr);
    align-items: end;
    gap: var(--sp-5);
  }

  .page-faq .faq-hero__marks {
    align-content: end;
  }

  .page-faq .faq-tail__inner {
    grid-template-columns: minmax(0, 1fr) auto;
    align-items: center;
    gap: var(--sp-5);
  }
}

@media (min-width: 980px) {
  .page-faq .faq-layout {
    grid-template-columns: 234px minmax(0, 1fr);
    gap: var(--sp-5);
    align-items: start;
  }

  .page-faq .faq-index {
    position: sticky;
    top: calc(var(--header-h) + 28px);
  }

  .page-faq .qa__split {
    grid-template-columns: minmax(0, 1fr) 248px;
  }
}

@media (prefers-reduced-motion: reduce) {
  .page-faq .qa,
  .page-faq .qa__mark,
  .page-faq .qa__no,
  .page-faq .faq-index__link,
  .page-faq .breadcrumb__link {
    transition: none;
  }
}
<<<END>>>