.page-faq {
  --faq-rail-w: 248px;
  --faq-border: 1px solid rgba(30, 76, 138, 0.42);
  --faq-border-soft: 1px solid rgba(30, 76, 138, 0.26);
  color: var(--c-white);
  background:
    radial-gradient(720px 420px at 88% -6%, rgba(139, 123, 255, 0.14), transparent 68%),
    radial-gradient(560px 360px at 4% 12%, rgba(57, 242, 200, 0.08), transparent 70%),
    var(--c-bg);
  padding-bottom: 0;
  overflow-x: hidden;
}

.page-faq .mono {
  font-family: var(--font-mono);
  font-variant-numeric: tabular-nums;
}

/* ---------- 首屏 ---------- */
.page-faq .faq-hero {
  padding: 28px 0 44px;
}

.page-faq .faq-hero-grid {
  display: grid;
  gap: 28px;
}

.page-faq .faq-hero-copy .eyebrow {
  display: inline-block;
  margin-bottom: 14px;
  color: var(--c-mint);
}

.page-faq .faq-hero-title {
  font-family: var(--font-display);
  font-weight: 800;
  font-size: clamp(2rem, 7vw, 3.4rem);
  line-height: 1.12;
  letter-spacing: -0.02em;
  margin: 0 0 16px;
  max-width: 15em;
}

.page-faq .faq-hero-lede {
  margin: 0;
  font-size: 1rem;
  line-height: 1.75;
  color: var(--c-steel);
  max-width: 34em;
}

.page-faq .faq-quick {
  display: flex;
  flex-wrap: wrap;
  gap: 8px;
  margin-top: 22px;
}

.page-faq .faq-quick-link {
  display: inline-flex;
  align-items: center;
  padding: 8px 14px;
  font-size: 0.85rem;
  color: var(--c-white);
  text-decoration: none;
  border: var(--faq-border);
  border-radius: 999px;
  background: rgba(13, 20, 36, 0.85);
  transition: border-color 160ms var(--ease), background 160ms var(--ease), color 160ms var(--ease), transform 160ms var(--ease);
}

.page-faq .faq-quick-link:hover,
.page-faq .faq-quick-link:focus-visible {
  border-color: var(--c-mint);
  color: var(--c-mint);
  transform: translateY(-2px);
}

.page-faq .faq-hero-visual {
  position: relative;
}

.page-faq .faq-hero-frame {
  border-radius: var(--radius);
  overflow: hidden;
  border: var(--faq-border);
  background: linear-gradient(150deg, #0d1424, #0b3b40 130%);
}

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

.page-faq .faq-hero-note {
  margin-top: -22px;
  margin-left: 12px;
  margin-right: 12px;
  position: relative;
  padding: 14px 16px;
  background: rgba(7, 10, 18, 0.94);
  border: var(--faq-border);
  border-left: 3px solid var(--c-orange);
  border-radius: var(--radius-sm);
  backdrop-filter: blur(4px);
}

.page-faq .faq-hero-note-text {
  margin: 8px 0 0;
  font-size: 0.82rem;
  line-height: 1.6;
  color: var(--c-steel);
}

/* ---------- 目录 + 问答两栏 ---------- */
.page-faq .faq-shell {
  display: grid;
  gap: 26px;
  padding-top: 8px;
}

.page-faq .faq-rail {
  border-top: var(--faq-border);
  border-bottom: var(--faq-border);
  padding: 16px 0;
  background: linear-gradient(180deg, rgba(13, 20, 36, 0.6), transparent);
}

.page-faq .faq-rail-title {
  margin: 0 0 12px;
  font-size: 0.72rem;
  letter-spacing: 0.16em;
  text-transform: uppercase;
  color: var(--c-steel);
}

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

.page-faq .faq-rail-link {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  white-space: nowrap;
  padding: 9px 14px;
  font-size: 0.86rem;
  color: var(--c-white);
  text-decoration: none;
  border: var(--faq-border-soft);
  border-radius: 999px;
  background: rgba(13, 20, 36, 0.7);
  transition: border-color 160ms var(--ease), color 160ms var(--ease), background 160ms var(--ease);
}

.page-faq .faq-rail-link .mono {
  font-size: 0.68rem;
  color: var(--c-mint);
  letter-spacing: 0.06em;
}

.page-faq .faq-rail-link:hover,
.page-faq .faq-rail-link:focus-visible {
  border-color: var(--c-mint);
  color: var(--c-mint);
  background: rgba(57, 242, 200, 0.08);
}

.page-faq .faq-rail-note {
  margin: 4px 0 0;
  font-size: 0.74rem;
  line-height: 1.6;
  color: var(--c-steel);
}

/* ---------- 问答块 ---------- */
.page-faq .faq-main {
  min-width: 0;
}

.page-faq .faq-block {
  padding: 30px 0 8px;
  scroll-margin-top: 96px;
}

.page-faq .faq-block-head {
  margin-bottom: 18px;
  padding-left: 14px;
  border-left: 2px solid var(--c-blue);
}

.page-faq .faq-block-head .eyebrow {
  display: block;
  margin-bottom: 8px;
  font-size: 0.7rem;
  letter-spacing: 0.16em;
  text-transform: uppercase;
  color: var(--c-mint);
}

.page-faq .faq-block-head .section-title {
  font-family: var(--font-display);
  font-weight: 700;
  font-size: clamp(1.35rem, 4.2vw, 1.9rem);
  line-height: 1.25;
  letter-spacing: -0.01em;
  margin: 0 0 8px;
}

.page-faq .faq-block-head .section-lede {
  margin: 0;
  font-size: 0.92rem;
  line-height: 1.7;
  color: var(--c-steel);
  max-width: 46em;
}

.page-faq .faq-list {
  display: grid;
  gap: 10px;
}

.page-faq .faq-item {
  border: var(--faq-border-soft);
  border-radius: var(--radius);
  background: rgba(13, 20, 36, 0.72);
  transition: border-color 160ms var(--ease), background 160ms var(--ease);
}

.page-faq .faq-item[open] {
  border-color: rgba(57, 242, 200, 0.45);
  background: rgba(11, 59, 64, 0.32);
}

.page-faq .faq-item summary {
  display: flex;
  align-items: baseline;
  gap: 12px;
  padding: 15px 16px;
  cursor: pointer;
  list-style: none;
  border-radius: var(--radius);
  transition: color 160ms var(--ease);
}

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

.page-faq .faq-item summary:hover {
  color: var(--c-mint);
}

.page-faq .faq-item summary:focus-visible {
  outline: 2px solid var(--c-mint);
  outline-offset: 2px;
}

.page-faq .faq-num {
  flex: 0 0 auto;
  font-size: 0.72rem;
  letter-spacing: 0.08em;
  color: var(--c-amber);
  padding-top: 2px;
}

.page-faq .faq-q {
  flex: 1 1 auto;
  font-size: 0.98rem;
  font-weight: 500;
  line-height: 1.55;
}

.page-faq .faq-item summary::after {
  content: "+";
  flex: 0 0 auto;
  font-family: var(--font-mono);
  font-size: 1.05rem;
  line-height: 1;
  color: var(--c-steel);
}

.page-faq .faq-item[open] summary::after {
  content: "–";
  color: var(--c-mint);
}

.page-faq .faq-body {
  padding: 0 16px 16px 40px;
  border-top: var(--faq-border-soft);
  margin-top: 2px;
  padding-top: 12px;
}

.page-faq .faq-body p {
  margin: 0 0 8px;
  font-size: 0.9rem;
  line-height: 1.75;
  color: var(--c-steel);
}

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

.page-faq .faq-inline-link {
  color: var(--c-mint);
  text-decoration: none;
  border-bottom: 1px solid rgba(57, 242, 200, 0.4);
  padding-bottom: 1px;
  transition: color 160ms var(--ease), border-color 160ms var(--ease);
}

.page-faq .faq-inline-link:hover,
.page-faq .faq-inline-link:focus-visible {
  color: var(--c-violet);
  border-color: var(--c-violet);
}

/* ---------- 六步流程 ---------- */
.page-faq .faq-steps {
  list-style: none;
  margin: 0;
  padding: 0 0 0 18px;
  position: relative;
  display: grid;
  gap: 14px;
}

.page-faq .faq-steps::before {
  content: "";
  position: absolute;
  left: 0;
  top: 6px;
  bottom: 10px;
  width: 1px;
  background: linear-gradient(180deg, var(--c-mint), rgba(30, 76, 138, 0.15));
}

.page-faq .faq-step {
  position: relative;
  padding: 14px 16px;
  border: var(--faq-border-soft);
  border-radius: var(--radius);
  background: linear-gradient(120deg, rgba(13, 20, 36, 0.9), rgba(13, 20, 36, 0.55));
  transition: border-color 160ms var(--ease), transform 160ms var(--ease);
}

.page-faq .faq-step::before {
  content: "";
  position: absolute;
  left: -22px;
  top: 22px;
  width: 9px;
  height: 9px;
  border-radius: 50%;
  background: var(--c-bg);
  border: 2px solid var(--c-mint);
}

.page-faq .faq-step:hover {
  border-color: rgba(30, 76, 138, 0.75);
  transform: translateX(2px);
}

.page-faq .faq-step-no {
  display: block;
  font-size: 0.72rem;
  letter-spacing: 0.12em;
  color: var(--c-mint);
  margin-bottom: 4px;
}

.page-faq .faq-step-title {
  margin: 0 0 6px;
  font-family: var(--font-display);
  font-size: 1.02rem;
  font-weight: 700;
  letter-spacing: 0.01em;
}

.page-faq .faq-step-body p {
  margin: 0;
  font-size: 0.88rem;
  line-height: 1.72;
  color: var(--c-steel);
}

/* ---------- 老用户工具 ---------- */
.page-faq .faq-tools-layout {
  display: grid;
  gap: 18px;
}

.page-faq .faq-tools {
  display: grid;
  gap: 10px;
}

.page-faq .faq-tool {
  padding: 14px 16px;
  border: var(--faq-border-soft);
  border-radius: var(--radius);
  background: rgba(13, 20, 36, 0.72);
  border-left: 3px solid var(--c-violet);
}

.page-faq .faq-tool-title {
  margin: 0 0 6px;
  font-family: var(--font-display);
  font-size: 0.98rem;
  font-weight: 700;
  color: var(--c-white);
}

.page-faq .faq-tool p {
  margin: 0;
  font-size: 0.87rem;
  line-height: 1.72;
  color: var(--c-steel);
}

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

.page-faq .faq-tools-figure .media-frame {
  border-radius: var(--radius);
  overflow: hidden;
  border: var(--faq-border);
  background: linear-gradient(160deg, #0d1424, #0b3b40 140%);
}

.page-faq .faq-tools-figure .media-caption {
  display: block;
  margin-top: 8px;
  font-size: 0.76rem;
  line-height: 1.6;
  color: var(--c-steel);
}

/* ---------- 联系客服 ---------- */
.page-faq .faq-reach {
  display: grid;
  gap: 16px;
}

.page-faq .faq-reach-col,
.page-faq .faq-reach-panel {
  border: var(--faq-border-soft);
  border-radius: var(--radius);
  padding: 16px;
  background: rgba(13, 20, 36, 0.7);
}

.page-faq .faq-reach-panel {
  background: linear-gradient(150deg, rgba(11, 59, 64, 0.5), rgba(13, 20, 36, 0.85));
  border-color: rgba(57, 242, 200, 0.3);
}

.page-faq .faq-reach-title {
  margin: 0 0 10px;
  font-family: var(--font-display);
  font-size: 0.98rem;
  font-weight: 700;
}

.page-faq .faq-reach-list {
  list-style: none;
  margin: 0;
  padding: 0;
  display: grid;
  gap: 8px;
}

.page-faq .faq-reach-list li {
  position: relative;
  padding-left: 18px;
  font-size: 0.88rem;
  line-height: 1.68;
  color: var(--c-steel);
}

.page-faq .faq-reach-list li::before {
  content: "";
  position: absolute;
  left: 0;
  top: 0.62em;
  width: 7px;
  height: 7px;
  border-radius: 2px;
  background: var(--c-orange);
}

.page-faq .faq-reach-line {
  display: flex;
  flex-wrap: wrap;
  align-items: baseline;
  gap: 10px;
  margin: 0 0 10px;
}

.page-faq .faq-reach-line .footer-contact-label {
  font-size: 0.7rem;
  letter-spacing: 0.16em;
  text-transform: uppercase;
  color: var(--c-steel);
  min-width: 2.6em;
}

.page-faq .faq-reach-value {
  font-size: 0.95rem;
  color: var(--c-white);
  letter-spacing: 0.02em;
  word-break: break-all;
}

.page-faq .faq-reach-note {
  margin: 12px 0 16px;
  font-size: 0.82rem;
  line-height: 1.7;
  color: var(--c-steel);
}

.page-faq .faq-reach-actions {
  display: flex;
  flex-wrap: wrap;
  gap: 10px;
}

/* ---------- 底部路径带 ---------- */
.page-faq .faq-paths {
  margin-top: 44px;
  padding: 30px 0 36px;
  background: linear-gradient(180deg, rgba(11, 59, 64, 0.55), rgba(7, 10, 18, 0.95));
  border-top: 1px solid rgba(57, 242, 200, 0.22);
}

.page-faq .faq-paths-inner {
  display: grid;
  gap: 14px;
}

.page-faq .faq-paths-title {
  margin: 0;
  font-family: var(--font-display);
  font-size: 1.05rem;
  font-weight: 700;
  letter-spacing: 0.01em;
  color: var(--c-white);
}

.page-faq .faq-paths-links {
  display: grid;
  gap: 8px;
}

.page-faq .faq-path {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 12px;
  padding: 12px 14px;
  font-size: 0.9rem;
  color: var(--c-white);
  text-decoration: none;
  border: var(--faq-border-soft);
  border-radius: var(--radius-sm);
  background: rgba(7, 10, 18, 0.55);
  transition: border-color 160ms var(--ease), background 160ms var(--ease), transform 160ms var(--ease);
}

.page-faq .faq-path .mono {
  color: var(--c-orange);
}

.page-faq .faq-path:hover,
.page-faq .faq-path:focus-visible {
  border-color: var(--c-orange);
  background: rgba(255, 107, 44, 0.1);
  transform: translateX(2px);
}

.page-faq a:focus-visible {
  outline: 2px solid var(--c-mint);
  outline-offset: 2px;
  border-radius: 4px;
}

/* ---------- 平板 ---------- */
@media (min-width: 700px) {
  .page-faq .faq-hero {
    padding: 36px 0 52px;
  }

  .page-faq .faq-hero-grid {
    grid-template-columns: 1.15fr 0.85fr;
    align-items: center;
    gap: 32px;
  }

  .page-faq .faq-tools-layout {
    grid-template-columns: 1.05fr 0.95fr;
    align-items: start;
  }

  .page-faq .faq-reach {
    grid-template-columns: 1fr 1fr;
  }

  .page-faq .faq-paths-inner {
    grid-template-columns: auto 1fr;
    align-items: center;
    gap: 20px;
  }

  .page-faq .faq-paths-links {
    grid-template-columns: repeat(3, 1fr);
  }

  .page-faq .faq-path {
    flex-direction: column;
    align-items: flex-start;
    gap: 6px;
  }
}

/* ---------- 桌面：目录轨道常驻 ---------- */
@media (min-width: 1000px) {
  .page-faq .faq-shell {
    grid-template-columns: var(--faq-rail-w) minmax(0, 1fr);
    gap: 48px;
    align-items: start;
  }

  .page-faq .faq-rail {
    position: sticky;
    top: 92px;
    align-self: start;
    border-top: none;
    border-bottom: none;
    border-left: 1px solid rgba(30, 76, 138, 0.45);
    padding: 4px 0 4px 18px;
    background: none;
  }

  .page-faq .faq-rail-list {
    flex-direction: column;
    overflow: visible;
    padding: 0;
    gap: 4px;
  }

  .page-faq .faq-rail-link {
    width: 100%;
    border: none;
    border-radius: var(--radius-sm);
    background: none;
    padding: 9px 10px;
    justify-content: flex-start;
  }

  .page-faq .faq-rail-link:hover,
  .page-faq .faq-rail-link:focus-visible {
    background: rgba(30, 76, 138, 0.28);
    box-shadow: inset 2px 0 0 var(--c-mint);
  }

  .page-faq .faq-block {
    padding: 34px 0 10px;
  }

  .page-faq .faq-body {
    padding-left: 48px;
  }
}

@media (prefers-reduced-motion: reduce) {
  .page-faq .faq-quick-link,
  .page-faq .faq-rail-link,
  .page-faq .faq-step,
  .page-faq .faq-path,
  .page-faq .faq-item {
    transition: none;
  }

  .page-faq .faq-quick-link:hover,
  .page-faq .faq-step:hover,
  .page-faq .faq-path:hover {
    transform: none;
  }
}