.page-faq {
  --faq-hair: rgba(31, 111, 92, 0.5);
  --faq-hair-strong: rgba(41, 242, 194, 0.55);
  --faq-card: #0B2A22;
  --faq-card-deep: #123B30;
  display: block;
}

/* ---------- 首屏 ---------- */
.page-faq .faq-hero {
  position: relative;
  overflow: hidden;
  padding: 20px 0 36px;
  background:
    radial-gradient(120% 100% at 92% -10%, rgba(41, 242, 194, 0.18), transparent 56%),
    radial-gradient(80% 70% at 4% 110%, rgba(255, 90, 54, 0.12), transparent 62%),
    linear-gradient(180deg, #071F19 0%, var(--ink-900) 55%, var(--ink-950) 100%);
  border-bottom: 1px solid var(--line-soft);
}

.page-faq .faq-hero::before {
  content: "";
  position: absolute;
  inset: 0;
  pointer-events: none;
  background-image:
    linear-gradient(rgba(41, 242, 194, 0.055) 1px, transparent 1px),
    linear-gradient(90deg, rgba(41, 242, 194, 0.055) 1px, transparent 1px);
  background-size: 56px 56px;
  -webkit-mask-image: linear-gradient(180deg, rgba(0, 0, 0, 0.9), transparent 76%);
  mask-image: linear-gradient(180deg, rgba(0, 0, 0, 0.9), transparent 76%);
}

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

.page-faq .faq-crumbs {
  margin-bottom: 20px;
  font-family: var(--font-mono);
  font-size: 12px;
  letter-spacing: 0.04em;
}

.page-faq .faq-crumbs a {
  color: var(--muted);
  text-decoration: none;
  transition: color 140ms ease;
}

.page-faq .faq-crumbs a:hover,
.page-faq .faq-crumbs a:focus-visible {
  color: var(--cyan);
}

.page-faq .faq-crumbs [aria-current="page"] {
  color: var(--cyan);
}

.page-faq .faq-hero-grid {
  display: grid;
  gap: 26px;
}

.page-faq .faq-kicker {
  display: inline-flex;
  align-items: center;
  gap: 10px;
  margin: 0 0 12px;
  font-size: 13px;
  letter-spacing: 0.06em;
  color: var(--muted);
}

.page-faq .faq-kicker-code {
  display: inline-block;
  padding: 3px 8px;
  border: 1px solid var(--faq-hair-strong);
  border-radius: 4px;
  font-family: var(--font-mono);
  font-size: 11px;
  font-weight: 700;
  color: var(--cyan);
  letter-spacing: 0.1em;
}

.page-faq .faq-hero-copy h1 {
  margin: 0;
  font-family: var(--font-display);
  font-size: clamp(26px, 5.4vw, 46px);
  font-weight: 900;
  line-height: 1.18;
  letter-spacing: -0.02em;
  color: var(--paper);
}

.page-faq .faq-lede {
  max-width: 46ch;
  margin: 14px 0 0;
  font-size: 15px;
  line-height: 1.72;
  color: var(--muted);
}

.page-faq .faq-scene-grid {
  display: grid;
  grid-template-columns: 1fr;
  gap: 10px;
  margin-top: 24px;
}

.page-faq .faq-scene {
  position: relative;
  display: grid;
  grid-template-columns: auto minmax(0, 1fr) auto;
  grid-template-areas:
    "num title arrow"
    "num desc arrow";
  align-items: center;
  gap: 2px 12px;
  padding: 13px 14px 13px 12px;
  border: 1px solid var(--faq-hair);
  border-radius: var(--r-md);
  background: linear-gradient(135deg, rgba(18, 59, 48, 0.9), rgba(11, 42, 34, 0.92));
  text-decoration: none;
  transition: border-color 160ms ease, transform 160ms ease, background 160ms ease;
}

.page-faq .faq-scene:hover,
.page-faq .faq-scene:focus-visible {
  border-color: var(--faq-hair-strong);
  background: linear-gradient(135deg, rgba(18, 59, 48, 1), rgba(11, 42, 34, 1));
  transform: translateY(-2px);
}

.page-faq .faq-scene-num {
  grid-area: num;
  font-family: var(--font-mono);
  font-size: 22px;
  font-weight: 700;
  line-height: 1;
  letter-spacing: -0.04em;
  color: rgba(41, 242, 194, 0.5);
  transition: color 160ms ease;
}

.page-faq .faq-scene:hover .faq-scene-num,
.page-faq .faq-scene:focus-visible .faq-scene-num {
  color: var(--cyan);
}

.page-faq .faq-scene-title {
  grid-area: title;
  font-size: 15px;
  font-weight: 700;
  color: var(--paper);
}

.page-faq .faq-scene-desc {
  grid-area: desc;
  font-size: 12px;
  line-height: 1.5;
  color: var(--muted);
}

.page-faq .faq-scene-arrow {
  grid-area: arrow;
  font-family: var(--font-mono);
  font-size: 16px;
  color: var(--cyan);
  transition: transform 160ms ease;
}

.page-faq .faq-scene:hover .faq-scene-arrow,
.page-faq .faq-scene:focus-visible .faq-scene-arrow {
  transform: translateY(3px);
}

.page-faq .faq-hero-figure {
  position: relative;
  margin: 0;
  border: 1px solid var(--faq-hair);
  border-radius: var(--r-lg);
  overflow: hidden;
  background: var(--ink-800);
  box-shadow: var(--shadow-card);
}

.page-faq .faq-hero-figure::after {
  content: "";
  position: absolute;
  top: 0;
  left: 0;
  width: 96px;
  height: 4px;
  background: linear-gradient(90deg, var(--cyan), transparent);
}

.page-faq .faq-hero-figure img {
  display: block;
  width: 100%;
  height: auto;
  aspect-ratio: 7 / 4;
  object-fit: cover;
}

.page-faq .faq-hero-figure .media-caption,
.page-faq .faq-install-figure .media-caption {
  padding: 10px 14px;
  font-size: 12px;
  line-height: 1.5;
  color: var(--muted);
  border-top: 1px solid var(--line-soft);
  background: rgba(6, 26, 21, 0.86);
}

/* ---------- 主体：索引 + 内容 ---------- */
.page-faq .faq-body-grid {
  display: grid;
  gap: 28px;
  padding: 36px 0 56px;
}

.page-faq .faq-index {
  border: 1px solid var(--faq-hair);
  border-radius: var(--r-md);
  background: rgba(11, 42, 34, 0.55);
  padding: 16px 16px 14px;
}

.page-faq .faq-index-label {
  margin: 0 0 12px;
  font-family: var(--font-mono);
  font-size: 11px;
  letter-spacing: 0.18em;
  text-transform: uppercase;
  color: var(--muted);
}

.page-faq .faq-index-list {
  list-style: none;
  margin: 0;
  padding: 0;
  display: grid;
  gap: 2px;
}

.page-faq .faq-index-list a {
  display: flex;
  align-items: baseline;
  gap: 10px;
  padding: 8px 8px 8px 6px;
  border-left: 2px solid transparent;
  border-radius: 0 var(--r-sm) var(--r-sm) 0;
  font-size: 14px;
  color: var(--paper);
  text-decoration: none;
  transition: border-color 140ms ease, background 140ms ease, color 140ms ease;
}

.page-faq .faq-index-list a:hover,
.page-faq .faq-index-list a:focus-visible {
  border-left-color: var(--cyan);
  background: rgba(41, 242, 194, 0.08);
  color: var(--cyan-soft);
}

.page-faq .faq-index-num {
  font-family: var(--font-mono);
  font-size: 11px;
  color: var(--muted);
}

.page-faq .faq-index-note {
  margin: 14px 0 0;
  padding-top: 12px;
  border-top: 1px solid var(--line-soft);
  font-size: 12px;
  line-height: 1.6;
  color: var(--muted);
}

.page-faq .faq-chapter {
  margin-bottom: 40px;
  padding-bottom: 6px;
  border-bottom: 1px solid var(--line-soft);
  scroll-margin-top: 92px;
}

.page-faq .faq-chapter--last {
  margin-bottom: 0;
  border-bottom: 0;
}

.page-faq .faq-chapter-head {
  display: grid;
  grid-template-columns: auto minmax(0, 1fr);
  grid-template-areas:
    "num title"
    "num desc";
  column-gap: 14px;
  align-items: start;
  margin-bottom: 18px;
}

.page-faq .faq-chapter-num {
  grid-area: num;
  font-family: var(--font-mono);
  font-size: 26px;
  font-weight: 700;
  line-height: 1;
  letter-spacing: -0.05em;
  color: rgba(41, 242, 194, 0.42);
}

.page-faq .faq-chapter-head h2 {
  grid-area: title;
  margin: 0;
  font-family: var(--font-display);
  font-size: clamp(20px, 3.4vw, 28px);
  font-weight: 800;
  line-height: 1.28;
  letter-spacing: -0.01em;
  color: var(--paper);
}

.page-faq .faq-chapter-head p {
  grid-area: desc;
  margin: 8px 0 0;
  font-size: 14px;
  line-height: 1.68;
  color: var(--muted);
}

/* ---------- 手风琴 ---------- */
.page-faq .faq-list {
  display: grid;
  gap: 8px;
}

.page-faq .faq-item {
  border: 1px solid var(--faq-hair);
  border-radius: var(--r-md);
  background: var(--faq-card);
  transition: border-color 160ms ease, background 160ms ease, box-shadow 160ms ease;
}

.page-faq .faq-item[open] {
  border-color: var(--faq-hair-strong);
  background: linear-gradient(180deg, rgba(18, 59, 48, 0.95), rgba(11, 42, 34, 0.95));
  box-shadow: var(--shadow-card);
}

.page-faq .faq-q {
  position: relative;
  display: flex;
  align-items: baseline;
  gap: 10px;
  padding: 14px 42px 14px 14px;
  font-size: 15px;
  font-weight: 600;
  line-height: 1.55;
  color: var(--paper);
  cursor: pointer;
  list-style: none;
}

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

.page-faq .faq-q::after {
  content: "+";
  position: absolute;
  right: 14px;
  top: 50%;
  transform: translateY(-50%);
  font-family: var(--font-mono);
  font-size: 18px;
  font-weight: 700;
  line-height: 1;
  color: var(--cyan);
  transition: color 140ms ease;
}

.page-faq .faq-item[open] .faq-q::after {
  content: "–";
}

.page-faq .faq-q-num {
  flex: none;
  font-family: var(--font-mono);
  font-size: 11px;
  font-weight: 700;
  letter-spacing: 0.06em;
  color: var(--muted);
  transition: color 140ms ease;
}

.page-faq .faq-item[open] .faq-q-num {
  color: var(--cyan);
}

.page-faq .faq-a {
  padding: 12px 14px 16px;
  border-top: 1px solid var(--line-soft);
  margin-left: 14px;
  padding-left: 0;
  padding-right: 14px;
}

.page-faq .faq-a p {
  margin: 0;
  font-size: 14px;
  line-height: 1.72;
  color: var(--muted);
}

.page-faq .faq-a a {
  color: var(--cyan-soft);
  text-decoration: underline;
  text-underline-offset: 3px;
}

/* ---------- 指标 ---------- */
.page-faq .faq-metrics {
  display: grid;
  grid-template-columns: 1fr;
  gap: 10px;
  margin: 0;
}

.page-faq .faq-metric {
  padding: 14px 16px 16px;
  border: 1px solid var(--faq-hair);
  border-radius: var(--r-md);
  background: var(--faq-card);
  transition: border-color 160ms ease, transform 160ms ease;
}

.page-faq .faq-metric:hover {
  border-color: var(--faq-hair-strong);
  transform: translateY(-2px);
}

.page-faq .faq-metric dt {
  font-family: var(--font-display);
  font-size: 17px;
  font-weight: 800;
  letter-spacing: 0.01em;
  color: var(--paper);
}

.page-faq .faq-metric dd {
  margin: 6px 0 0;
}

.page-faq .faq-metric-text {
  margin: 0;
  font-size: 13px;
  line-height: 1.7;
  color: var(--muted);
}

.page-faq .faq-bar {
  display: block;
  height: 4px;
  margin-top: 12px;
  border-radius: 2px;
  background: rgba(31, 111, 92, 0.32);
  overflow: hidden;
}

.page-faq .faq-bar-fill {
  display: block;
  width: 100%;
  height: 100%;
  border-radius: 2px;
}

.page-faq .faq-bar-fill--attack {
  background: linear-gradient(90deg, var(--orange), var(--amber));
}

.page-faq .faq-bar-fill--possession {
  background: linear-gradient(90deg, var(--cyan), var(--cyan-soft));
}

.page-faq .faq-bar-fill--pass {
  background: linear-gradient(90deg, #1F6F5C, #29F2C2);
}

.page-faq .faq-metric-foot {
  margin: 14px 0 0;
  padding: 12px 14px;
  border-left: 3px solid var(--amber);
  border-radius: 0 var(--r-sm) var(--r-sm) 0;
  background: rgba(255, 194, 75, 0.08);
  font-size: 13px;
  line-height: 1.7;
  color: var(--muted);
}

/* ---------- 会员步骤 ---------- */
.page-faq .faq-steps {
  counter-reset: step;
  list-style: none;
  margin: 0;
  padding: 0;
  display: grid;
  gap: 8px;
}

.page-faq .faq-steps li {
  position: relative;
  padding: 12px 14px 12px 48px;
  border: 1px solid var(--faq-hair);
  border-radius: var(--r-md);
  background: var(--faq-card);
  font-size: 14px;
  line-height: 1.7;
  color: var(--muted);
  transition: border-color 160ms ease;
}

.page-faq .faq-steps li:hover {
  border-color: var(--faq-hair-strong);
}

.page-faq .faq-steps li::before {
  counter-increment: step;
  content: counter(step, decimal-leading-zero);
  position: absolute;
  left: 14px;
  top: 12px;
  font-family: var(--font-mono);
  font-size: 15px;
  font-weight: 700;
  letter-spacing: -0.04em;
  color: var(--cyan);
}

.page-faq .faq-steps strong {
  color: var(--paper);
  font-weight: 700;
}

.page-faq .faq-tier-row {
  display: flex;
  flex-wrap: wrap;
  gap: 8px;
  margin-top: 16px;
}

.page-faq .faq-tier-note {
  margin: 10px 0 0;
  font-size: 13px;
  line-height: 1.72;
  color: var(--muted);
}

.page-faq .faq-tier-note a {
  color: var(--cyan-soft);
  text-decoration: underline;
  text-underline-offset: 3px;
}

/* ---------- 下载安装 ---------- */
.page-faq .faq-forms {
  display: flex;
  flex-wrap: wrap;
  gap: 8px;
  margin-bottom: 14px;
}

.page-faq .faq-form {
  padding: 6px 12px;
  border: 1px dashed var(--faq-hair-strong);
  border-radius: 999px;
  font-family: var(--font-mono);
  font-size: 12px;
  letter-spacing: 0.02em;
  color: var(--cyan-soft);
  background: rgba(41, 242, 194, 0.06);
}

.page-faq .faq-systems {
  display: grid;
  grid-template-columns: 1fr;
  gap: 10px;
  margin-bottom: 16px;
}

.page-faq .faq-system {
  padding: 14px 16px;
  border: 1px solid var(--faq-hair);
  border-left: 3px solid var(--line);
  border-radius: var(--r-md);
  background: linear-gradient(135deg, rgba(18, 59, 48, 0.85), rgba(11, 42, 34, 0.95));
  transition: border-left-color 160ms ease, transform 160ms ease;
}

.page-faq .faq-system:hover {
  border-left-color: var(--cyan);
  transform: translateY(-2px);
}

.page-faq .faq-system-name {
  margin: 0;
  font-family: var(--font-mono);
  font-size: 14px;
  font-weight: 700;
  letter-spacing: 0.06em;
  color: var(--cyan);
}

.page-faq .faq-system-req {
  margin: 4px 0 8px;
  font-size: 12px;
  letter-spacing: 0.02em;
  color: var(--amber);
}

.page-faq .faq-system-body {
  margin: 0;
  font-size: 13px;
  line-height: 1.7;
  color: var(--muted);
}

.page-faq .faq-install-figure {
  margin: 0 0 16px;
  border: 1px solid var(--faq-hair);
  border-radius: var(--r-lg);
  overflow: hidden;
  background: var(--ink-800);
}

.page-faq .faq-install-figure img {
  display: block;
  width: 100%;
  height: auto;
  aspect-ratio: 10 / 7;
  object-fit: cover;
}

/* ---------- 客服 ---------- */
.page-faq .faq-support-grid {
  display: grid;
  grid-template-columns: 1fr;
  gap: 10px;
}

.page-faq .faq-support-card {
  padding: 16px;
  border: 1px solid var(--faq-hair);
  border-radius: var(--r-md);
  background: var(--faq-card);
  transition: border-color 160ms ease;
}

.page-faq .faq-support-card:hover {
  border-color: var(--faq-hair-strong);
}

.page-faq .faq-support-label {
  margin: 0 0 8px;
  font-family: var(--font-mono);
  font-size: 11px;
  letter-spacing: 0.16em;
  color: var(--muted);
}

.page-faq .faq-support-value {
  margin: 0;
  font-family: var(--font-mono);
  font-size: 16px;
  font-weight: 700;
  letter-spacing: 0.01em;
  color: var(--paper);
  word-break: break-all;
}

.page-faq .faq-support-value--sm {
  font-family: var(--font-sans);
  font-size: 15px;
  letter-spacing: 0;
  color: var(--cyan-soft);
}

.page-faq .faq-support-meta {
  margin: 8px 0 0;
  font-size: 12px;
  line-height: 1.6;
  color: var(--muted);
}

.page-faq .faq-copy {
  margin-top: 12px;
  padding: 6px 12px;
  border: 1px solid var(--faq-hair-strong);
  border-radius: var(--r-sm);
  background: transparent;
  font-family: var(--font-sans);
  font-size: 12px;
  font-weight: 600;
  color: var(--cyan);
  cursor: pointer;
  transition: background 140ms ease, color 140ms ease;
}

.page-faq .faq-copy:hover,
.page-faq .faq-copy:focus-visible {
  background: rgba(41, 242, 194, 0.14);
}

.page-faq .faq-support-actions {
  display: flex;
  flex-wrap: wrap;
  gap: 10px;
  margin-top: 18px;
}

.page-faq .faq-support-actions .btn {
  text-decoration: none;
}

.page-faq .faq-legal-links {
  margin: 16px 0 0;
  font-size: 12px;
  line-height: 1.8;
  color: var(--muted);
}

.page-faq .faq-legal-links a {
  color: var(--cyan-soft);
  text-decoration: underline;
  text-underline-offset: 3px;
}

/* ---------- 响应式 ---------- */
@media (min-width: 560px) {
  .page-faq .faq-scene-grid {
    grid-template-columns: repeat(2, minmax(0, 1fr));
  }

  .page-faq .faq-systems {
    grid-template-columns: repeat(2, minmax(0, 1fr));
  }

  .page-faq .faq-support-grid {
    grid-template-columns: repeat(2, minmax(0, 1fr));
  }
}

@media (min-width: 860px) {
  .page-faq .faq-hero {
    padding: 26px 0 48px;
  }

  .page-faq .faq-hero-grid {
    grid-template-columns: minmax(0, 1.08fr) minmax(0, 0.92fr);
    align-items: start;
    gap: 40px;
  }

  .page-faq .faq-lede {
    font-size: 16px;
  }

  .page-faq .faq-metrics {
    grid-template-columns: repeat(2, minmax(0, 1fr));
  }

  .page-faq .faq-support-grid {
    grid-template-columns: repeat(3, minmax(0, 1fr));
  }
}

@media (min-width: 1000px) {
  .page-faq .faq-body-grid {
    grid-template-columns: 218px minmax(0, 1fr);
    gap: 48px;
    padding: 48px 0 72px;
  }

  .page-faq .faq-index {
    position: sticky;
    top: 96px;
    align-self: start;
  }

  .page-faq .faq-chapter {
    margin-bottom: 52px;
    scroll-margin-top: 104px;
  }

  .page-faq .faq-chapter-head {
    column-gap: 20px;
  }

  .page-faq .faq-chapter-num {
    font-size: 34px;
  }

  .page-faq .faq-q {
    padding: 16px 48px 16px 18px;
    font-size: 16px;
  }

  .page-faq .faq-a {
    padding: 14px 48px 18px 18px;
    margin-left: 0;
  }

  .page-faq .faq-a p {
    font-size: 14.5px;
  }
}

@media (prefers-reduced-motion: reduce) {
  .page-faq .faq-scene,
  .page-faq .faq-scene-num,
  .page-faq .faq-scene-arrow,
  .page-faq .faq-metric,
  .page-faq .faq-system,
  .page-faq .faq-item,
  .page-faq .faq-q,
  .page-faq .faq-q-num,
  .page-faq .faq-index-list a,
  .page-faq .faq-copy {
    transition: none;
  }

  .page-faq .faq-scene:hover,
  .page-faq .faq-scene:focus-visible,
  .page-faq .faq-metric:hover,
  .page-faq .faq-system:hover,
  .page-faq .faq-scene:hover .faq-scene-arrow,
  .page-faq .faq-scene:focus-visible .faq-scene-arrow {
    transform: none;
  }
}
<<<PAGE_CSS_END>>>