.page-faq {
  --faq-edge: clamp(16px, 4vw, 40px);
  background:
    linear-gradient(180deg, rgba(11, 35, 64, .5) 0%, rgba(7, 35, 28, 0) 44%),
    var(--ink);
  color: var(--white);
  padding-bottom: clamp(48px, 8vw, 96px);
  overflow-x: clip;
}

/* ---------- 面包屑 ---------- */
.page-faq .faq-crumb {
  padding-top: clamp(16px, 3vw, 28px);
}

/* ---------- 首屏 ---------- */
.page-faq .faq-hero {
  position: relative;
  padding: clamp(22px, 4vw, 40px) 0 clamp(34px, 6vw, 60px);
}

.page-faq .faq-hero::before {
  content: "";
  position: absolute;
  top: -18%;
  right: -14%;
  width: min(520px, 74vw);
  height: min(520px, 74vw);
  background: radial-gradient(circle at 50% 50%, rgba(59, 224, 122, .16), rgba(59, 224, 122, 0) 66%);
  pointer-events: none;
  z-index: 0;
}

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

.page-faq .faq-hero__grid {
  display: grid;
  gap: clamp(24px, 4vw, 44px);
  align-items: start;
}

.page-faq .faq-hero h1 {
  margin: 14px 0 0;
  font-family: var(--font-display);
  font-weight: 800;
  font-size: clamp(31px, 7.4vw, 60px);
  line-height: 1.08;
  letter-spacing: -.02em;
  color: var(--white);
  text-wrap: balance;
}

.page-faq .faq-hero__intro {
  margin: 18px 0 0;
  max-width: 40em;
  font-size: clamp(15px, 1.7vw, 17px);
  line-height: 1.88;
  color: rgba(238, 246, 241, .8);
}

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

.page-faq .faq-hero__facts {
  display: flex;
  flex-wrap: wrap;
  gap: 8px 22px;
  margin: 26px 0 0;
  padding-top: 18px;
  border-top: 1px dashed var(--line-strong);
  font-family: var(--font-mono);
  font-size: 12.5px;
  letter-spacing: .02em;
  line-height: 1.7;
  color: var(--muted);
}

.page-faq .faq-hero__facts span::before {
  content: "▍";
  margin-right: 6px;
  color: var(--gold);
}

.page-faq .faq-hero__figure {
  position: relative;
  margin: 0;
  border-radius: var(--r-lg);
  overflow: hidden;
  background: linear-gradient(155deg, var(--night), var(--indigo) 78%);
  box-shadow: var(--shadow);
  border: 1px solid var(--line);
}

.page-faq .faq-hero__figure img {
  display: block;
  width: 100%;
  height: auto;
  aspect-ratio: 3 / 2;
  object-fit: cover;
}

.page-faq .faq-hero__figure figcaption {
  padding: 12px 16px 15px;
  border-top: 1px solid var(--line);
  font-size: 13px;
  line-height: 1.72;
  color: var(--muted);
}

/* ---------- 索引 + 问答双栏 ---------- */
.page-faq .faq-layout {
  display: grid;
  gap: clamp(26px, 4vw, 44px);
  margin-top: clamp(10px, 2vw, 18px);
}

.page-faq .faq-index {
  padding: 16px 16px 18px;
  border: 1px solid var(--line);
  border-radius: var(--r-md);
  background: linear-gradient(170deg, var(--ink-2), rgba(7, 35, 28, .38));
}

.page-faq .faq-index__title {
  margin: 0 0 12px;
  font-family: var(--font-mono);
  font-size: 12px;
  letter-spacing: .14em;
  color: var(--gold);
}

.page-faq .faq-index__list {
  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__item {
  flex: 0 0 auto;
}

.page-faq .faq-index__link {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  min-height: 44px;
  padding: 8px 14px;
  border: 1px solid var(--line-strong);
  border-radius: 999px;
  background: rgba(11, 35, 64, .5);
  color: rgba(238, 246, 241, .82);
  font-size: 13.5px;
  line-height: 1.4;
  text-decoration: none;
  white-space: nowrap;
  transition: border-color .22s var(--ease), color .22s var(--ease), background .22s var(--ease);
}

.page-faq .faq-index__link:hover,
.page-faq .faq-index__link:focus-visible {
  border-color: var(--neon);
  background: rgba(59, 224, 122, .12);
  color: var(--white);
  outline: none;
}

.page-faq .faq-index__link:focus-visible {
  box-shadow: 0 0 0 3px rgba(59, 224, 122, .34);
}

.page-faq .faq-index__num {
  font-family: var(--font-mono);
  font-size: 11.5px;
  letter-spacing: .06em;
  color: var(--neon);
}

.page-faq .faq-index__hint {
  margin: 16px 0 0;
  font-size: 12.5px;
  line-height: 1.74;
  color: var(--muted);
}

/* ---------- 问答主体 ---------- */
.page-faq .faq-body {
  display: grid;
  gap: clamp(28px, 5vw, 52px);
  min-width: 0;
}

.page-faq .faq-group {
  min-width: 0;
  scroll-margin-top: calc(var(--topbar-h) + 20px);
}

.page-faq .faq-group__head {
  --group-accent: var(--neon);
  --group-tint: rgba(59, 224, 122, .14);
  display: grid;
  grid-template-columns: auto minmax(0, 1fr);
  gap: 4px 14px;
  align-items: start;
  padding: 16px 18px;
  border-left: 5px solid var(--group-accent);
  border-radius: var(--r-md);
  background: linear-gradient(100deg, var(--group-tint), rgba(11, 35, 64, .55) 64%);
}

.page-faq .faq-group--app .faq-group__head {
  --group-accent: var(--gold);
  --group-tint: rgba(245, 194, 75, .15);
}

.page-faq .faq-group--data .faq-group__head {
  --group-accent: var(--alert);
  --group-tint: rgba(255, 107, 74, .14);
}

.page-faq .faq-group--account .faq-group__head {
  --group-accent: var(--muted);
  --group-tint: rgba(143, 167, 156, .13);
}

.page-faq .faq-group--contact .faq-group__head {
  --group-accent: var(--neon);
  --group-tint: rgba(59, 224, 122, .16);
}

.page-faq .faq-group__num {
  grid-row: span 2;
  padding-top: 3px;
  font-family: var(--font-mono);
  font-size: 24px;
  font-weight: 700;
  line-height: 1;
  letter-spacing: -.02em;
  color: var(--group-accent);
  font-variant-numeric: tabular-nums;
}

.page-faq .faq-group__title {
  margin: 0;
  font-family: var(--font-display);
  font-size: clamp(20px, 3.2vw, 27px);
  line-height: 1.26;
  letter-spacing: -.01em;
  color: var(--white);
}

.page-faq .faq-group__note {
  margin: 0;
  font-size: 14px;
  line-height: 1.76;
  color: rgba(238, 246, 241, .7);
}

.page-faq .faq-group__body {
  margin-top: 14px;
}

.page-faq .faq-group__list {
  display: grid;
  gap: 10px;
  margin-top: 14px;
}

/* ---------- 折叠问答条目 ---------- */
.page-faq .faq-item {
  border: 1px solid var(--line);
  border-radius: var(--r-md);
  background: rgba(12, 49, 40, .62);
  overflow: hidden;
  transition: border-color .22s var(--ease), background .22s var(--ease);
}

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

.page-faq .faq-item[open] {
  border-color: rgba(59, 224, 122, .48);
  background: rgba(12, 49, 40, .94);
}

.page-faq .faq-item__q {
  display: flex;
  align-items: flex-start;
  gap: 12px;
  min-height: 44px;
  padding: 15px 18px;
  cursor: pointer;
  list-style: none;
  font-size: clamp(15px, 1.7vw, 16.5px);
  font-weight: 600;
  line-height: 1.62;
  color: var(--white);
  transition: color .22s var(--ease);
}

.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(--neon);
  outline-offset: -3px;
}

.page-faq .faq-item__mark {
  flex: none;
  width: 9px;
  height: 9px;
  margin-top: 8px;
  border-right: 2px solid var(--neon);
  border-bottom: 2px solid var(--neon);
  transform: rotate(45deg);
  transition: transform .24s var(--ease), border-color .24s var(--ease);
}

.page-faq .faq-item[open] .faq-item__mark {
  transform: rotate(225deg);
  border-color: var(--gold);
}

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

.page-faq .faq-item__a {
  padding: 0 18px 18px 39px;
  font-size: 15px;
  line-height: 1.9;
  color: rgba(238, 246, 241, .8);
}

.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__a ul {
  margin: 0 0 10px;
  padding-left: 20px;
}

.page-faq .faq-item__a li {
  margin-bottom: 6px;
}

.page-faq .faq-item__a li::marker {
  color: var(--gold);
}

.page-faq .faq-item__a a {
  color: var(--neon);
  text-decoration: none;
  border-bottom: 1px solid rgba(59, 224, 122, .45);
  transition: color .2s var(--ease), border-color .2s var(--ease);
}

.page-faq .faq-item__a a:hover,
.page-faq .faq-item__a a:focus-visible {
  color: var(--gold);
  border-bottom-color: var(--gold);
}

.page-faq .faq-item__more {
  margin-top: 12px;
  font-family: var(--font-mono);
  font-size: 12.5px;
  letter-spacing: .02em;
  color: var(--muted);
}

/* ---------- 等宽操作路径 ---------- */
.page-faq .path {
  display: inline-block;
  margin: 2px 2px 2px 0;
  padding: 3px 9px;
  border: 1px solid var(--line-strong);
  border-radius: var(--r-sm);
  background: rgba(11, 35, 64, .88);
  font-family: var(--font-mono);
  font-size: 12.8px;
  line-height: 1.7;
  color: var(--gold);
  overflow-wrap: anywhere;
}

/* ---------- 步骤序号 ---------- */
.page-faq .steps {
  margin: 0 0 12px;
  padding: 0;
  list-style: none;
  counter-reset: faqstep;
  display: grid;
  gap: 9px;
}

.page-faq .steps li {
  position: relative;
  padding-left: 38px;
  font-size: 14.5px;
  line-height: 1.82;
}

.page-faq .steps li::before {
  counter-increment: faqstep;
  content: counter(faqstep, decimal-leading-zero);
  position: absolute;
  left: 0;
  top: 2px;
  padding: 1px 6px;
  border: 1px solid rgba(59, 224, 122, .42);
  border-radius: 999px;
  font-family: var(--font-mono);
  font-size: 11.5px;
  line-height: 1.65;
  color: var(--neon);
}

/* ---------- 手机端章节内嵌图 ---------- */
.page-faq .faq-aside {
  margin: 16px 0 0;
  border: 1px solid var(--line-strong);
  border-radius: var(--r-organic);
  overflow: hidden;
  background: linear-gradient(160deg, var(--night), var(--indigo));
}

.page-faq .faq-aside img {
  display: block;
  width: 100%;
  height: auto;
  max-height: 440px;
  object-fit: cover;
}

.page-faq .faq-aside figcaption {
  padding: 12px 16px 14px;
  border-top: 1px solid var(--line);
  font-size: 13px;
  line-height: 1.72;
  color: var(--muted);
}

/* ---------- 桌面端 ---------- */
@media (min-width: 720px) {
  .page-faq .faq-hero__actions {
    gap: 14px;
  }

  .page-faq .faq-group__list {
    gap: 12px;
  }

  .page-faq .faq-item__q {
    padding: 17px 22px;
  }

  .page-faq .faq-item__a {
    padding: 0 22px 20px 43px;
  }
}

@media (min-width: 900px) {
  .page-faq .faq-hero__grid {
    grid-template-columns: minmax(0, 1.12fr) minmax(0, .88fr);
    gap: clamp(30px, 4vw, 62px);
    align-items: center;
  }

  .page-faq .faq-hero__figure {
    border-radius: 34px 74px 30px 58px;
  }
}

@media (min-width: 1000px) {
  .page-faq .faq-layout {
    grid-template-columns: 252px minmax(0, 1fr);
    gap: clamp(36px, 4vw, 70px);
    align-items: start;
  }

  .page-faq .faq-index {
    position: sticky;
    top: 26px;
    padding: 20px 18px 22px;
  }

  .page-faq .faq-index__list {
    display: grid;
    gap: 2px;
    overflow: visible;
    padding: 0;
  }

  .page-faq .faq-index__item {
    flex: none;
  }

  .page-faq .faq-index__link {
    display: flex;
    width: 100%;
    min-height: 44px;
    padding: 10px 12px;
    border: none;
    border-left: 3px solid transparent;
    border-radius: var(--r-sm);
    background: transparent;
    white-space: normal;
    font-size: 14px;
  }

  .page-faq .faq-index__link:hover,
  .page-faq .faq-index__link:focus-visible {
    border-left-color: var(--neon);
    background: rgba(59, 224, 122, .1);
    box-shadow: none;
  }

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

  .page-faq .faq-group__list {
    margin-top: 16px;
  }
}

@media (min-width: 1140px) {
  .page-faq .faq-group--app .faq-group__body {
    display: grid;
    grid-template-columns: minmax(0, 1fr) 268px;
    gap: clamp(20px, 2.4vw, 34px);
    align-items: start;
  }

  .page-faq .faq-group--app .faq-aside {
    margin-top: 16px;
  }
}

@media (prefers-reduced-motion: reduce) {
  .page-faq .faq-item__mark,
  .page-faq .faq-item,
  .page-faq .faq-index__link {
    transition: none;
  }
}
<<<END>>>