.page-faq {
  --faq-radius: 16px;
  --faq-line: rgba(232, 200, 138, 0.22);
  position: relative;
  overflow-x: clip;
  background:
    radial-gradient(1100px 520px at 84% -10%, rgba(34, 227, 210, 0.13), transparent 62%),
    radial-gradient(880px 460px at -12% 20%, rgba(255, 106, 26, 0.12), transparent 60%);
}

.page-faq .breadcrumb {
  display: flex;
  flex-wrap: wrap;
  gap: 0.4rem;
  font-family: var(--f-mono);
  font-size: 0.78rem;
  letter-spacing: 0.08em;
  color: var(--c-sand);
  margin-bottom: 0.9rem;
}

.page-faq .breadcrumb a {
  color: var(--c-cyan);
  text-decoration: none;
}

.page-faq .breadcrumb a:hover,
.page-faq .breadcrumb a:focus-visible {
  text-decoration: underline;
}

/* ── 首屏 ───────────────────────────── */
.page-faq .faq-hero {
  padding: clamp(1.5rem, 5vw, 3.4rem) 0 clamp(1.2rem, 4vw, 2.4rem);
}

.page-faq .faq-hero__inner {
  display: grid;
  grid-template-columns: minmax(0, 1fr);
  gap: clamp(1.3rem, 4vw, 2.8rem);
  align-items: center;
}

.page-faq .faq-hero h1 {
  font-family: var(--f-display);
  font-weight: 800;
  font-size: clamp(2rem, 8vw, 3.5rem);
  line-height: 1.03;
  letter-spacing: -0.025em;
  margin: 0 0 0.85rem;
  color: var(--c-snow);
}

.page-faq .faq-hero .lede {
  color: rgba(244, 247, 251, 0.82);
  max-width: 46ch;
}

.page-faq .faq-hero__quick {
  display: flex;
  flex-wrap: wrap;
  gap: 0.7rem;
  margin-top: 1.3rem;
}

.page-faq .faq-hero__visual {
  position: relative;
}

.page-faq .faq-hero__visual::after {
  content: "";
  position: absolute;
  inset: auto -6% -12% 32%;
  height: 42%;
  background: linear-gradient(100deg, rgba(34, 227, 210, 0.22), transparent 72%);
  filter: blur(28px);
  z-index: -1;
}

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

.page-faq .figure img {
  display: block;
  width: 100%;
  height: auto;
  object-fit: cover;
  border-radius: var(--r-lg);
}

.page-faq .figure .figure__cap {
  margin-top: 0.6rem;
  font-size: 0.8rem;
  color: var(--c-sand);
  letter-spacing: 0.03em;
}

/* ── 主布局：索引 + 问答 ─────────────── */
.page-faq .faq-layout {
  display: grid;
  grid-template-columns: minmax(0, 1fr);
  gap: clamp(1.3rem, 3vw, 2.4rem);
  padding-bottom: clamp(2.2rem, 6vw, 4.2rem);
}

.page-faq .faq-index {
  background: rgba(255, 255, 255, 0.06);
  border: 1px solid var(--c-line);
  border-radius: var(--r-lg);
  padding: 1rem 1.05rem 1.1rem;
  backdrop-filter: blur(10px);
}

.page-faq .faq-index__title {
  margin: 0 0 0.75rem;
  font-family: var(--f-serif);
  font-size: 0.95rem;
  color: var(--c-sand);
  letter-spacing: 0.06em;
}

.page-faq .faq-index__list {
  list-style: none;
  margin: 0;
  padding: 0;
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(140px, 1fr));
  gap: 0.35rem;
}

.page-faq .faq-index__list a {
  display: flex;
  align-items: baseline;
  gap: 0.5rem;
  padding: 0.5rem 0.6rem;
  border-radius: var(--r-sm);
  border-left: 2px solid transparent;
  color: var(--c-snow);
  font-size: 0.9rem;
  text-decoration: none;
  transition: background 0.22s var(--ease), border-color 0.22s var(--ease);
}

.page-faq .faq-index__list a:hover,
.page-faq .faq-index__list a:focus-visible {
  background: rgba(255, 106, 26, 0.15);
  border-left-color: var(--c-orange);
}

.page-faq .faq-index__list .num {
  color: var(--c-orange);
  font-size: 0.78rem;
  letter-spacing: 0.1em;
}

.page-faq .faq-index__note {
  margin-top: 1rem;
  padding-top: 0.9rem;
  border-top: 1px solid var(--c-line);
}

.page-faq .faq-index__note-label {
  margin: 0;
  font-size: 0.78rem;
  letter-spacing: 0.12em;
  color: var(--c-sand);
}

.page-faq .faq-index__note-sub {
  margin: 0.15rem 0 0.75rem;
  font-size: 0.78rem;
  color: rgba(244, 247, 251, 0.6);
}

.page-faq .faq-index__cta {
  width: 100%;
  justify-content: center;
}

/* ── 分组与问答 ─────────────────────── */
.page-faq .faq-group {
  scroll-margin-top: calc(var(--header-h) + 1.2rem);
  margin-bottom: clamp(1.7rem, 4.5vw, 2.8rem);
}

.page-faq .faq-group__head {
  display: flex;
  flex-wrap: wrap;
  align-items: baseline;
  gap: 0.45rem 0.8rem;
  padding: 0.85rem 1rem;
  margin-bottom: 0.9rem;
  border-radius: var(--r-md);
  border: 1px solid var(--c-line);
  border-left: 3px solid var(--c-orange);
  background: linear-gradient(100deg, rgba(22, 32, 74, 0.92), rgba(22, 32, 74, 0.5));
}

.page-faq .faq-group__num {
  font-family: var(--f-mono);
  font-size: 0.82rem;
  letter-spacing: 0.16em;
  color: var(--c-orange);
}

.page-faq .faq-group__head h2 {
  margin: 0;
  font-family: var(--f-display);
  font-weight: 800;
  font-size: clamp(1.2rem, 3.6vw, 1.7rem);
  letter-spacing: -0.01em;
  color: var(--c-snow);
}

.page-faq .faq-group__desc {
  flex: 1 1 100%;
  margin: 0;
  font-size: 0.9rem;
  color: var(--c-sand);
}

.page-faq .faq-item {
  border: 1px solid rgba(232, 200, 138, 0.16);
  border-radius: var(--r-md);
  background: rgba(22, 32, 74, 0.55);
  margin-bottom: 0.55rem;
  overflow: hidden;
  transition: border-color 0.25s var(--ease), background 0.25s var(--ease);
}

.page-faq .faq-item[open] {
  border-color: rgba(255, 106, 26, 0.5);
  background: rgba(22, 32, 74, 0.95);
}

.page-faq .faq-item summary {
  display: flex;
  justify-content: space-between;
  align-items: flex-start;
  gap: 1rem;
  min-height: 3.4rem;
  padding: 0.95rem 1.05rem;
  list-style: none;
  cursor: pointer;
  font-family: var(--f-display);
  font-weight: 700;
  font-size: 1rem;
  line-height: 1.45;
  color: var(--c-snow);
}

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

.page-faq .faq-item summary:hover .faq-item__q,
.page-faq .faq-item summary:focus-visible .faq-item__q {
  color: var(--c-cyan);
}

.page-faq .faq-item__q {
  transition: color 0.2s var(--ease);
}

.page-faq .faq-item__mark {
  position: relative;
  flex: 0 0 auto;
  width: 1.05rem;
  height: 1.05rem;
  margin-top: 0.22rem;
  border-radius: 50%;
  border: 1px solid var(--c-sand);
  transition: border-color 0.2s var(--ease);
}

.page-faq .faq-item__mark::before,
.page-faq .faq-item__mark::after {
  content: "";
  position: absolute;
  left: 50%;
  top: 50%;
  width: 0.52rem;
  height: 1px;
  background: var(--c-sand);
  transform: translate(-50%, -50%);
  transition: background 0.2s var(--ease), opacity 0.2s var(--ease);
}

.page-faq .faq-item__mark::after {
  transform: translate(-50%, -50%) rotate(90deg);
}

.page-faq .faq-item[open] .faq-item__mark {
  border-color: var(--c-orange);
}

.page-faq .faq-item[open] .faq-item__mark::before,
.page-faq .faq-item[open] .faq-item__mark::after {
  background: var(--c-orange);
}

.page-faq .faq-item[open] .faq-item__mark::after {
  opacity: 0;
}

.page-faq .faq-item__a {
  padding: 0 1.05rem 1.05rem;
  border-top: 1px solid rgba(34, 227, 210, 0.18);
  color: rgba(244, 247, 251, 0.86);
  font-size: 0.95rem;
  line-height: 1.75;
}

.page-faq .faq-item__a p {
  margin: 0.85rem 0 0;
}

.page-faq .faq-item__a ul {
  margin: 0.7rem 0 0;
  padding-left: 1.1rem;
}

.page-faq .faq-item__a li {
  margin-bottom: 0.28rem;
}

.page-faq .faq-item__a a {
  color: var(--c-cyan);
  text-decoration: none;
  border-bottom: 1px solid rgba(34, 227, 210, 0.4);
}

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

/* ── 数据面板速览 ───────────────────── */
.page-faq .faq-kpis {
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: 0.55rem;
  margin-bottom: 0.9rem;
}

.page-faq .faq-kpi {
  padding: 0.7rem 0.8rem;
  border-radius: var(--r-sm);
  background: rgba(255, 255, 255, 0.06);
  border: 1px solid var(--c-glass);
}

.page-faq .faq-kpi__v {
  display: block;
  font-family: var(--f-mono);
  font-size: 1.4rem;
  line-height: 1.1;
  color: var(--c-cyan);
}

.page-faq .faq-kpi__l {
  display: block;
  margin-top: 0.2rem;
  font-size: 0.76rem;
  color: var(--c-sand);
}

/* ── 两步下载演示 ───────────────────── */
.page-faq .dl-demo {
  display: grid;
  grid-template-columns: minmax(0, 1fr);
  gap: 1rem;
  margin: 0.9rem 0;
  padding: 1rem;
  border-radius: var(--r-md);
  border: 1px solid rgba(34, 227, 210, 0.28);
  background: linear-gradient(150deg, rgba(34, 227, 210, 0.1), rgba(22, 32, 74, 0.92) 62%);
}

.page-faq .dl-demo__svg {
  width: 100%;
  height: auto;
  display: block;
}

.page-faq .dl-demo__path {
  stroke: rgba(34, 227, 210, 0.6);
}

.page-faq .dl-demo__node {
  fill: var(--c-cyan);
}

.page-faq .dl-demo__node--end {
  fill: var(--c-orange);
}

.page-faq .dl-demo__no {
  fill: var(--c-night);
  font-family: var(--f-mono);
  font-size: 11px;
  font-weight: 700;
  text-anchor: middle;
}

.page-faq .dl-demo__cap {
  fill: var(--c-sand);
  font-family: var(--f-body);
  font-size: 11px;
}

.page-faq .dl-demo__steps {
  list-style: none;
  margin: 0;
  padding: 0;
  display: grid;
  gap: 0.5rem;
}

.page-faq .dl-demo__steps li {
  display: flex;
  gap: 0.55rem;
  font-size: 0.9rem;
  line-height: 1.65;
  color: rgba(244, 247, 251, 0.88);
}

.page-faq .dl-demo__steps .num {
  color: var(--c-orange);
  font-size: 0.82rem;
  letter-spacing: 0.1em;
  padding-top: 0.15rem;
}

.page-faq .faq-figure {
  margin-top: 1rem;
}

/* ── 兜底联系方式 ───────────────────── */
.page-faq .faq-support {
  display: grid;
  grid-template-columns: minmax(0, 1fr);
  gap: 1.2rem;
  padding: clamp(1.15rem, 3.5vw, 2rem);
  border-radius: var(--r-lg);
  border: 1px solid rgba(255, 106, 26, 0.34);
  background: linear-gradient(120deg, rgba(255, 106, 26, 0.16), rgba(11, 20, 48, 0.94) 58%);
}

.page-faq .faq-support h2 {
  margin: 0.35rem 0 0.6rem;
  font-family: var(--f-display);
  font-weight: 800;
  font-size: clamp(1.3rem, 4vw, 1.9rem);
  letter-spacing: -0.015em;
  color: var(--c-snow);
}

.page-faq .faq-support__copy p {
  margin: 0;
  max-width: 48ch;
  color: rgba(244, 247, 251, 0.84);
  line-height: 1.75;
}

.page-faq .faq-support__actions {
  display: flex;
  flex-wrap: wrap;
  gap: 0.65rem;
  margin-top: 1.1rem;
}

.page-faq .faq-hours {
  display: flex;
  flex-wrap: wrap;
  align-items: baseline;
  gap: 0.45rem 0.7rem;
  padding: 0.7rem 0.9rem;
  border-radius: var(--r-sm);
  background: rgba(11, 20, 48, 0.75);
  border: 1px solid var(--c-line);
}

.page-faq .faq-hours__label {
  font-size: 0.76rem;
  letter-spacing: 0.14em;
  color: var(--c-sand);
}

.page-faq .faq-hours__time {
  font-family: var(--f-mono);
  font-size: 1.3rem;
  letter-spacing: 0.04em;
  color: var(--c-cyan);
}

.page-faq .faq-hours__zone {
  font-size: 0.78rem;
  color: rgba(244, 247, 251, 0.62);
}

.page-faq .faq-contact {
  margin: 0.9rem 0 0;
  display: grid;
  gap: 0.5rem;
}

.page-faq .faq-contact .contact-list__row {
  display: grid;
  grid-template-columns: 3.6rem minmax(0, 1fr);
  gap: 0.6rem;
  align-items: baseline;
  font-size: 0.9rem;
}

.page-faq .faq-contact dt {
  color: var(--c-sand);
  font-size: 0.78rem;
  letter-spacing: 0.08em;
}

.page-faq .faq-contact dd {
  margin: 0;
  color: var(--c-snow);
  word-break: break-word;
}

/* ── 响应式 ─────────────────────────── */
@media (min-width: 640px) {
  .page-faq .faq-kpis {
    grid-template-columns: repeat(4, minmax(0, 1fr));
  }
}

@media (min-width: 760px) {
  .page-faq .dl-demo {
    grid-template-columns: minmax(0, 1.15fr) minmax(0, 1fr);
    align-items: center;
    padding: 1.2rem;
  }
}

@media (min-width: 960px) {
  .page-faq .faq-hero__inner {
    grid-template-columns: minmax(0, 5fr) minmax(0, 7fr);
  }

  .page-faq .faq-support {
    grid-template-columns: minmax(0, 1.3fr) minmax(0, 1fr);
    align-items: center;
  }
}

@media (min-width: 1040px) {
  .page-faq .faq-layout {
    grid-template-columns: minmax(220px, 268px) minmax(0, 1fr);
    align-items: start;
  }

  .page-faq .faq-index {
    position: sticky;
    top: calc(var(--header-h) + 1.3rem);
  }

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

@media (prefers-reduced-motion: reduce) {
  .page-faq .faq-index__list a,
  .page-faq .faq-item,
  .page-faq .faq-item__q,
  .page-faq .faq-item__mark::before,
  .page-faq .faq-item__mark::after {
    transition: none;
  }
}