.page-faq {
  --faq-line: rgba(28, 36, 56, .9);
  --faq-line-soft: rgba(28, 36, 56, .55);
  --faq-gap: clamp(64px, 9vw, 112px);
  position: relative;
  color: var(--text);
}

/* ---------- 首屏 ---------- */
.page-faq .faq-hero {
  position: relative;
  overflow: hidden;
  padding: clamp(80px, 13vw, 164px) 0 clamp(40px, 6vw, 76px);
}

.page-faq .faq-hero::before {
  content: "";
  position: absolute;
  top: -28%;
  right: -14%;
  width: min(760px, 92vw);
  aspect-ratio: 1;
  background:
    radial-gradient(circle at 62% 42%, rgba(232, 181, 75, .17), transparent 62%),
    radial-gradient(circle at 28% 76%, rgba(53, 230, 210, .13), transparent 60%);
  pointer-events: none;
}

.page-faq .faq-hero::after {
  content: "";
  position: absolute;
  top: 0;
  bottom: 0;
  left: max(0px, calc(50% - 600px));
  width: 1px;
  background: linear-gradient(180deg, transparent, var(--faq-line-soft) 22%, var(--faq-line-soft) 78%, transparent);
  pointer-events: none;
}

.page-faq .faq-hero-inner {
  position: relative;
  display: grid;
  gap: clamp(32px, 5vw, 56px);
}

.page-faq .faq-hero-main {
  max-width: 62ch;
}

.page-faq .faq-hero h1 {
  margin: 16px 0 0;
  font-family: var(--font-display);
  font-weight: 800;
  font-size: clamp(31px, 6vw, 64px);
  line-height: 1.14;
  letter-spacing: -.022em;
  background: linear-gradient(98deg, var(--gold-lite) 0%, var(--text) 38%, var(--text) 100%);
  -webkit-background-clip: text;
  background-clip: text;
  color: transparent;
}

.page-faq .faq-hero .lede {
  margin-top: clamp(18px, 2.4vw, 26px);
  font-size: clamp(15.5px, 1.9vw, 17.5px);
}

.page-faq .faq-hero-index-label {
  margin: 0 0 10px;
  font-size: 11px;
  letter-spacing: .16em;
  color: var(--muted);
}

.page-faq .faq-hero-index ol {
  list-style: none;
  margin: 0;
  padding: 0;
  display: grid;
  gap: 2px;
  border-top: 1px solid var(--faq-line);
}

.page-faq .faq-hero-index a {
  display: grid;
  grid-template-columns: 30px minmax(0, 1fr);
  gap: 12px;
  align-items: baseline;
  padding: 13px 12px;
  border-bottom: 1px solid var(--faq-line-soft);
  color: var(--muted);
  font-size: 15.5px;
  text-decoration: none;
  transition: background .2s var(--ease), color .2s var(--ease), padding-left .2s var(--ease);
}

.page-faq .faq-hero-index a:hover {
  background: rgba(232, 181, 75, .08);
  color: var(--gold-lite);
  padding-left: 18px;
}

.page-faq .faq-hero-index a .mono {
  font-size: 11px;
  letter-spacing: .1em;
  color: var(--gold);
}

@media (min-width: 1000px) {
  .page-faq .faq-hero-inner {
    grid-template-columns: minmax(0, 1.4fr) minmax(0, .85fr);
    align-items: start;
  }
  .page-faq .faq-hero-index {
    padding-top: 8px;
  }
}

/* ---------- 主结构 ---------- */
.page-faq .faq-shell {
  display: grid;
  grid-template-columns: minmax(0, 1fr);
  gap: clamp(24px, 4vw, 44px);
  padding-bottom: clamp(72px, 10vw, 140px);
}

.page-faq .faq-rail ol {
  display: flex;
  gap: 8px;
  margin: 0;
  padding: 2px 0 6px;
  list-style: none;
  overflow-x: auto;
  scrollbar-width: none;
}

.page-faq .faq-rail ol::-webkit-scrollbar {
  display: none;
}

.page-faq .faq-rail a {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  white-space: nowrap;
  padding: 8px 15px;
  border-radius: var(--radius-pill);
  border: 1px solid var(--faq-line);
  color: var(--muted);
  font-size: 13.5px;
  text-decoration: none;
  transition: color .2s var(--ease), border-color .2s var(--ease), background .2s var(--ease);
}

.page-faq .faq-rail a .mono {
  font-size: 10.5px;
  letter-spacing: .1em;
  color: var(--gold);
}

.page-faq .faq-rail a:hover {
  color: var(--gold-lite);
  border-color: rgba(232, 181, 75, .5);
  background: rgba(232, 181, 75, .07);
}

@media (min-width: 1024px) {
  .page-faq .faq-shell {
    grid-template-columns: 210px minmax(0, 1fr);
    gap: clamp(40px, 5vw, 72px);
  }
  .page-faq .faq-rail {
    position: sticky;
    top: 132px;
    align-self: start;
  }
  .page-faq .faq-rail ol {
    flex-direction: column;
    gap: 0;
    overflow: visible;
    padding-bottom: 0;
    border-left: 1px solid var(--faq-line);
  }
  .page-faq .faq-rail a {
    border: 0;
    border-left: 2px solid transparent;
    border-radius: 0 var(--radius-sm) var(--radius-sm) 0;
    margin-left: -1px;
    padding: 11px 14px;
    white-space: normal;
  }
  .page-faq .faq-rail a:hover {
    border-left-color: var(--gold);
    background: rgba(232, 181, 75, .07);
  }
}

/* ---------- 内容流与分组 ---------- */
.page-faq .faq-flow {
  display: grid;
  gap: var(--faq-gap);
  min-width: 0;
}

.page-faq .faq-group {
  scroll-margin-top: 128px;
  min-width: 0;
}

.page-faq .faq-group-head {
  display: grid;
  gap: 12px;
  padding-bottom: clamp(20px, 3vw, 30px);
  border-bottom: 1px solid var(--faq-line);
}

.page-faq .faq-group-head h2 {
  margin: 0;
  font-family: var(--font-display);
  font-weight: 750;
  font-size: clamp(24px, 3.6vw, 36px);
  line-height: 1.24;
  letter-spacing: -.012em;
}

.page-faq .faq-group-note {
  margin: 0;
  max-width: 62ch;
  color: var(--muted);
  font-size: 15.5px;
  line-height: 1.78;
}

/* ---------- 可展开组 ---------- */
.page-faq .acc-item {
  border-bottom: 1px solid var(--faq-line-soft);
}

.page-faq .acc-trigger {
  display: grid;
  grid-template-columns: auto minmax(0, 1fr) auto;
  align-items: start;
  gap: clamp(12px, 2vw, 20px);
  width: 100%;
  padding: clamp(18px, 2.8vw, 26px) 0;
  background: none;
  border: 0;
  color: var(--text);
  font-family: inherit;
  font-size: clamp(16px, 2.1vw, 18px);
  line-height: 1.6;
  text-align: left;
  cursor: pointer;
}

.page-faq .acc-marker {
  padding-top: 5px;
  font-size: 11px;
  letter-spacing: .12em;
  color: var(--gold);
}

.page-faq .acc-q {
  font-weight: 500;
  transition: color .2s var(--ease);
}

.page-faq .acc-trigger:hover .acc-q {
  color: var(--gold-lite);
}

.page-faq .acc-arrow {
  position: relative;
  flex: none;
  width: 27px;
  height: 27px;
  margin-top: 1px;
  border-radius: 50%;
  border: 1px solid var(--blueprint);
  transition: transform .24s var(--ease), border-color .24s var(--ease), background .24s var(--ease);
}

.page-faq .acc-arrow::before,
.page-faq .acc-arrow::after {
  content: "";
  position: absolute;
  inset: 0;
  margin: auto;
  border-radius: 2px;
  background: var(--muted);
  transition: transform .24s var(--ease), background .24s var(--ease);
}

.page-faq .acc-arrow::before {
  width: 9px;
  height: 1.5px;
}

.page-faq .acc-arrow::after {
  width: 1.5px;
  height: 9px;
}

.page-faq .acc-trigger[aria-expanded="true"] .acc-arrow {
  border-color: var(--gold);
  background: rgba(232, 181, 75, .13);
}

.page-faq .acc-trigger[aria-expanded="true"] .acc-arrow::before,
.page-faq .acc-trigger[aria-expanded="true"] .acc-arrow::after {
  background: var(--gold);
}

.page-faq .acc-trigger[aria-expanded="true"] .acc-arrow::after {
  transform: rotate(90deg) scaleY(0);
}

.page-faq .acc-panel {
  max-height: 0;
  overflow: hidden;
  opacity: 0;
  transition: max-height .24s var(--ease), opacity .2s var(--ease);
}

.page-faq .acc-panel[data-open] {
  max-height: 640px;
  opacity: 1;
}

.page-faq .acc-panel p {
  margin: 0;
  padding: 0 0 clamp(20px, 3vw, 28px) 0;
  max-width: 72ch;
  color: var(--muted);
  font-size: 15.5px;
  line-height: 1.82;
}

@media (min-width: 760px) {
  .page-faq .acc-panel p {
    padding-left: 52px;
  }
}

.page-faq .acc-panel a {
  color: var(--cyan);
  text-decoration: none;
  border-bottom: 1px solid rgba(53, 230, 210, .35);
  transition: border-color .2s var(--ease), color .2s var(--ease);
}

.page-faq .acc-panel a:hover {
  color: var(--gold-lite);
  border-bottom-color: var(--gold);
}

/* ---------- 配图 ---------- */
.page-faq .faq-figure {
  margin: clamp(28px, 4vw, 44px) 0 0;
  border-radius: var(--radius-lg);
  overflow: hidden;
  border: 1px solid var(--faq-line);
  background:
    radial-gradient(120% 130% at 86% 0%, rgba(232, 181, 75, .1), transparent 58%),
    radial-gradient(110% 120% at 0% 100%, rgba(139, 92, 246, .12), transparent 60%),
    var(--ink-2);
}

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

.page-faq .faq-figure figcaption {
  padding: 14px clamp(18px, 3vw, 26px) 18px;
  color: var(--muted);
  font-size: 13px;
  line-height: 1.7;
  border-top: 1px solid var(--faq-line-soft);
}

/* ---------- 移动端章节的图文分栏 ---------- */
.page-faq .faq-split {
  display: grid;
  gap: clamp(24px, 4vw, 40px);
  align-items: start;
}

.page-faq .faq-split-main {
  min-width: 0;
}

@media (min-width: 900px) {
  .page-faq .faq-split {
    grid-template-columns: minmax(0, 1fr) minmax(0, 330px);
  }
  .page-faq .faq-figure--tall {
    margin-top: clamp(18px, 2.5vw, 26px);
    position: sticky;
    top: 132px;
  }
}

/* ---------- 竖排步骤 ---------- */
.page-faq .faq-steps {
  list-style: none;
  margin: clamp(30px, 4vw, 44px) 0 0;
  padding: 0;
}

.page-faq .faq-steps li {
  position: relative;
  margin-left: 5px;
  padding: 0 0 24px 24px;
  border-left: 1px dashed var(--blueprint);
}

.page-faq .faq-steps li::before {
  content: "";
  position: absolute;
  left: -5px;
  top: 5px;
  width: 9px;
  height: 9px;
  border-radius: 50%;
  background: var(--cyan);
  box-shadow: 0 0 0 4px rgba(53, 230, 210, .12);
}

.page-faq .faq-steps li:last-child {
  padding-bottom: 0;
  border-left-color: transparent;
}

.page-faq .faq-steps .mono {
  font-size: 10.5px;
  letter-spacing: .12em;
  color: var(--cyan);
}

.page-faq .faq-steps p {
  margin: 6px 0 0;
  max-width: 52ch;
  color: var(--muted);
  font-size: 15px;
  line-height: 1.78;
}

/* ---------- 收尾 ---------- */
.page-faq .faq-more {
  scroll-margin-top: 128px;
}

.page-faq .faq-more-card {
  position: relative;
  overflow: hidden;
  padding: clamp(30px, 5.4vw, 62px);
  border-radius: var(--radius-lg);
  border: 1px solid var(--faq-line);
  background:
    radial-gradient(120% 140% at 88% 0%, rgba(232, 181, 75, .18), transparent 58%),
    radial-gradient(110% 130% at 0% 100%, rgba(53, 230, 210, .12), transparent 60%),
    var(--ink-2);
}

.page-faq .faq-more-card h2 {
  margin: 14px 0 0;
  font-family: var(--font-display);
  font-weight: 780;
  font-size: clamp(25px, 4vw, 40px);
  line-height: 1.22;
  letter-spacing: -.014em;
  max-width: 24ch;
}

.page-faq .faq-more-text {
  margin: clamp(16px, 2.4vw, 24px) 0 0;
  max-width: 62ch;
  color: var(--muted);
  font-size: 15.5px;
  line-height: 1.82;
}

.page-faq .faq-more-actions {
  display: flex;
  flex-wrap: wrap;
  gap: 12px;
  margin-top: clamp(24px, 3.6vw, 34px);
}

.page-faq .faq-more-foot {
  margin: clamp(22px, 3vw, 30px) 0 0;
  padding-top: clamp(18px, 2.6vw, 24px);
  border-top: 1px solid var(--faq-line-soft);
  max-width: 64ch;
  color: var(--muted);
  font-size: 14px;
  line-height: 1.78;
}

.page-faq .faq-more-foot a {
  color: var(--cyan);
  text-decoration: none;
  border-bottom: 1px solid rgba(53, 230, 210, .35);
  transition: color .2s var(--ease), border-color .2s var(--ease);
}

.page-faq .faq-more-foot a:hover {
  color: var(--gold-lite);
  border-bottom-color: var(--gold);
}

@media (prefers-reduced-motion: reduce) {
  .page-faq .acc-trigger,
  .page-faq .acc-panel,
  .page-faq .acc-arrow,
  .page-faq .acc-arrow::before,
  .page-faq .acc-arrow::after,
  .page-faq .faq-hero-index a,
  .page-faq .faq-rail a {
    transition: none;
  }
}