.page-faq {
  --faq-border: rgba(192, 192, 192, 0.22);
  --faq-accent-glow: rgba(57, 255, 20, 0.12);
  background:
    linear-gradient(135deg, rgba(57, 255, 20, 0.03) 25%, transparent 25%) 0 0 / 32px 32px,
    linear-gradient(315deg, rgba(29, 53, 87, 0.45) 25%, transparent 25%) 0 0 / 32px 32px,
    var(--color-bg);
  color: var(--color-text);
  font-family: var(--font-body);
  line-height: 1.7;
}

/* ===== Hero 首屏 ===== */
.page-faq .faq-hero {
  position: relative;
  overflow: hidden;
  padding: 40px 20px 64px;
  background:
    radial-gradient(circle at 80% 30%, rgba(57, 255, 20, 0.1) 0%, transparent 44%),
    linear-gradient(160deg, var(--color-bg-deep) 0%, var(--color-bg) 60%, #102A4E 100%);
}
.page-faq .faq-hero::after {
  content: "";
  position: absolute;
  left: 0;
  right: 0;
  bottom: -1px;
  height: 48px;
  background: var(--color-bg);
  clip-path: polygon(0 100%, 100% 0, 100% 100%);
  opacity: 0.92;
}
.page-faq .faq-hero-inner {
  position: relative;
  z-index: 1;
  max-width: var(--container-max);
  margin: 0 auto;
  display: grid;
  gap: 30px;
  align-items: center;
}
.page-faq .faq-hero h1 {
  font-family: var(--font-head);
  font-style: italic;
  font-size: clamp(32px, 5.5vw, 56px);
  line-height: 0.98;
  text-transform: uppercase;
  margin: 6px 0 14px;
  letter-spacing: 0.01em;
}
.page-faq .faq-hero-desc {
  color: var(--color-silver);
  max-width: 640px;
  font-size: 16px;
  line-height: 1.8;
  margin: 0 0 24px;
}
.page-faq .faq-hero .breadcrumbs {
  margin-bottom: 18px;
}

/* ===== 命令条 ===== */
.page-faq .faq-cmdline {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  gap: 12px;
  background: var(--color-bg-deep);
  border: 1px solid var(--faq-border);
  border-left: 3px solid var(--color-accent);
  padding: 14px 18px;
  font-family: var(--font-mono);
  font-size: 14px;
  color: var(--color-silver);
  box-shadow: 0 8px 28px rgba(0, 0, 0, 0.35);
  max-width: 640px;
}
.page-faq .faq-cmdline-prompt {
  color: var(--color-accent);
  font-weight: 700;
}
.page-faq .faq-cmdline-text {
  font-size: 13px;
  white-space: nowrap;
  overflow: hidden;
  text-overflow: ellipsis;
}
.page-faq .faq-cmdline-cursor {
  display: inline-block;
  width: 8px;
  height: 18px;
  background: var(--color-accent);
  animation: faq-blink 1.1s steps(2, start) infinite;
}
.page-faq .faq-cmdline-link {
  margin-left: auto;
  color: var(--color-accent);
  text-decoration: none;
  border: 1px solid var(--color-accent);
  padding: 6px 12px;
  font-family: var(--font-body);
  font-size: 13px;
  letter-spacing: 0.04em;
  transition: background 0.2s ease, color 0.2s ease;
}
.page-faq .faq-cmdline-link:hover {
  background: var(--color-accent);
  color: var(--color-bg);
}
@keyframes faq-blink {
  to { visibility: hidden; }
}

/* ===== Hero 图片 ===== */
.page-faq .faq-hero-visual {
  position: relative;
}
.page-faq .faq-hero-img-frame {
  position: relative;
  padding: 10px;
  background: var(--color-card);
  border: 1px solid var(--faq-border);
  transform: rotate(1.5deg);
  box-shadow: 14px 14px 0 var(--faq-accent-glow);
  max-width: 600px;
}
.page-faq .faq-hero-img-frame::before {
  content: "HELP.DAT";
  position: absolute;
  top: 0;
  left: 18px;
  transform: translateY(-55%);
  background: var(--color-bg);
  color: var(--color-accent);
  border: 1px solid var(--color-accent);
  font-family: var(--font-mono);
  font-size: 11px;
  padding: 3px 8px;
  letter-spacing: 0.1em;
  z-index: 2;
}
.page-faq .faq-hero-img {
  display: block;
  width: 100%;
  height: auto;
  border: 1px solid rgba(57, 255, 20, 0.18);
}

/* ===== 主体布局 ===== */
.page-faq .faq-layout {
  max-width: var(--container-max);
  margin: 0 auto;
  padding: 36px 20px 60px;
  display: grid;
  gap: 30px;
}

/* ===== 左侧索引 ===== */
.page-faq .faq-index {
  display: flex;
  flex-wrap: wrap;
  gap: 6px;
  position: sticky;
  top: 20px;
  align-self: start;
}
.page-faq .faq-index-head {
  flex-basis: 100%;
  font-family: var(--font-mono);
  font-size: 12px;
  letter-spacing: 0.18em;
  color: var(--color-accent);
  text-transform: uppercase;
  margin: 0 0 4px;
}
.page-faq .faq-index a {
  display: flex;
  align-items: center;
  gap: 8px;
  text-decoration: none;
  color: var(--color-silver);
  font-size: 14px;
  padding: 8px 10px;
  border: 1px solid transparent;
  transition: color 0.2s ease, border-color 0.2s ease, background 0.2s ease;
}
.page-faq .faq-index a:hover {
  color: var(--color-text);
  border-color: var(--color-accent);
  background: rgba(57, 255, 20, 0.06);
}
.page-faq .faq-index-num {
  font-family: var(--font-mono);
  font-size: 12px;
  color: var(--color-accent);
  opacity: 0.85;
}
.page-faq .faq-index-ext {
  margin-top: 4px;
  border-top: 1px dashed var(--faq-border);
  padding-top: 12px;
}

/* ===== 内容区章节 ===== */
.page-faq .faq-content {
  min-width: 0;
}
.page-faq .faq-section {
  scroll-margin-top: 24px;
  margin-bottom: 44px;
  padding: 28px 18px;
  background: rgba(8, 20, 38, 0.72);
  border: 1px solid var(--faq-border);
  border-left: 4px solid var(--color-accent);
  transition: border-color 0.35s ease, box-shadow 0.35s ease;
}
.page-faq .faq-section.is-inview {
  border-color: rgba(57, 255, 20, 0.7);
  box-shadow: 0 0 0 1px rgba(57, 255, 20, 0.25), 0 18px 40px rgba(0, 0, 0, 0.3);
}
.page-faq .faq-section-head {
  margin-bottom: 22px;
  padding-bottom: 16px;
  border-bottom: 1px dashed var(--faq-border);
}
.page-faq .faq-section-head .mono-label {
  display: block;
  margin-bottom: 4px;
}
.page-faq .faq-section-head h2 {
  font-family: var(--font-head);
  font-style: italic;
  font-size: clamp(24px, 3vw, 34px);
  text-transform: uppercase;
  margin: 4px 0 8px;
  letter-spacing: 0.02em;
}
.page-faq .faq-section-head p {
  color: var(--color-silver);
  font-size: 15px;
  margin: 0;
}

/* ===== 手风琴 ===== */
.page-faq .faq-item {
  background: var(--color-card);
  border: 1px solid var(--faq-border);
  margin-bottom: 12px;
  transition: border-color 0.25s ease, background 0.25s ease;
}
.page-faq .faq-item:hover {
  border-color: var(--color-accent);
}
.page-faq .faq-item[open] {
  border-color: var(--color-accent);
  background: #20355C;
}
.page-faq .faq-item summary {
  list-style: none;
  display: flex;
  align-items: center;
  gap: 14px;
  padding: 16px 18px;
  cursor: pointer;
  user-select: none;
}
.page-faq .faq-item summary::-webkit-details-marker {
  display: none;
}
.page-faq .faq-item summary::before {
  content: "$";
  font-family: var(--font-mono);
  color: var(--color-accent);
  font-weight: 700;
  flex: 0 0 auto;
}
.page-faq .faq-q {
  flex: 1;
  font-weight: 600;
  font-size: 15px;
  line-height: 1.5;
  color: var(--color-text);
}
.page-faq .faq-toggle {
  font-family: var(--font-mono);
  color: var(--color-accent);
  font-size: 22px;
  line-height: 1;
  flex: 0 0 auto;
  transition: transform 0.3s ease;
}
.page-faq .faq-item[open] .faq-toggle {
  transform: rotate(45deg);
}
.page-faq .faq-a {
  padding: 0 20px 18px 54px;
  border-top: 1px dashed rgba(57, 255, 20, 0.28);
  margin-top: 6px;
}
.page-faq .faq-a p {
  margin: 12px 0 0;
  color: var(--color-silver);
  font-size: 14px;
  line-height: 1.8;
}
.page-faq .faq-a ol {
  margin: 12px 0 0;
  padding-left: 20px;
  color: var(--color-silver);
  font-size: 14px;
  line-height: 1.9;
}
.page-faq .faq-a ol li::marker {
  color: var(--color-accent);
  font-family: var(--font-mono);
}

/* ===== 战报切换示意图 ===== */
.page-faq .faq-switch-figure {
  margin: 28px 0 0;
  padding: 12px;
  background: var(--color-bg-deep);
  border: 1px solid var(--faq-border);
  border-top: 3px solid var(--color-cyan);
}
.page-faq .faq-switch-figure img {
  display: block;
  width: 100%;
  height: auto;
  border: 1px solid rgba(78, 205, 196, 0.35);
}
.page-faq .faq-switch-figure figcaption {
  margin-top: 10px;
  font-family: var(--font-mono);
  font-size: 12px;
  color: var(--color-cyan);
  letter-spacing: 0.06em;
  line-height: 1.6;
}

/* ===== 联系方式 ===== */
.page-faq .faq-contact-grid {
  display: grid;
  gap: 16px;
}
.page-faq .faq-contact-card {
  position: relative;
  background: var(--color-bg-deep);
  border: 1px solid var(--faq-border);
  padding: 20px 20px 20px 24px;
}
.page-faq .faq-contact-card::before {
  content: "";
  position: absolute;
  left: 0;
  top: 0;
  bottom: 0;
  width: 3px;
  background: var(--color-accent);
}
.page-faq .faq-contact-card h3 {
  margin: 10px 0 8px;
  font-size: 18px;
  font-weight: 600;
  color: var(--color-text);
}
.page-faq .faq-contact-card p {
  margin: 0 0 14px;
  color: var(--color-silver);
  font-size: 14px;
  line-height: 1.8;
}
.page-faq .faq-contact-card a {
  color: var(--color-accent);
  text-decoration: none;
  font-family: var(--font-mono);
  font-size: 13px;
  border-bottom: 1px solid var(--color-accent);
  padding-bottom: 2px;
  transition: color 0.2s ease, background 0.2s ease;
}
.page-faq .faq-contact-card a:hover {
  color: var(--color-bg);
  background: var(--color-accent);
}

/* ===== 数据速览条 ===== */
.page-faq .faq-stats-strip {
  max-width: var(--container-max);
  margin: 0 auto;
  padding: 8px 20px 64px;
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  gap: 14px;
}
.page-faq .faq-stat {
  background: rgba(29, 53, 87, 0.72);
  border: 1px solid var(--faq-border);
  padding: 18px 14px;
  text-align: center;
  transition: transform 0.25s ease, border-color 0.25s ease;
}
.page-faq .faq-stat:hover {
  transform: translateY(-3px);
  border-color: var(--color-accent);
}
.page-faq .faq-stat-num {
  display: block;
  font-family: var(--font-mono);
  font-size: 22px;
  font-weight: 700;
  color: var(--color-accent);
  line-height: 1.2;
}
.page-faq .faq-stat-label {
  display: block;
  margin-top: 6px;
  font-size: 12px;
  color: var(--color-silver);
  letter-spacing: 0.04em;
}

/* ===== 滚动显示动效 ===== */
@media (scripting: enabled) {
  .page-faq [data-reveal] {
    opacity: 0;
    transform: translateY(18px);
    transition: opacity 0.55s ease, transform 0.55s ease;
  }
  .page-faq [data-reveal].is-visible {
    opacity: 1;
    transform: none;
  }
}

/* ===== 桌面端断点 ===== */
@media (min-width: 720px) {
  .page-faq .faq-contact-grid {
    grid-template-columns: 1fr 1fr;
  }
  .page-faq .faq-stats-strip {
    grid-template-columns: repeat(3, 1fr);
  }
}

@media (min-width: 900px) {
  .page-faq .faq-hero {
    padding: 56px 20px 84px;
  }
  .page-faq .faq-hero-inner {
    grid-template-columns: 1.15fr 0.85fr;
    gap: 48px;
  }
  .page-faq .faq-hero-img-frame {
    margin-left: auto;
  }
}

@media (min-width: 1024px) {
  .page-faq .faq-layout {
    grid-template-columns: 230px 1fr;
    gap: 40px;
    align-items: start;
    padding: 44px 20px 72px;
  }
  .page-faq .faq-index {
    flex-direction: column;
    align-items: stretch;
  }
  .page-faq .faq-index a {
    justify-content: flex-start;
  }
  .page-faq .faq-section {
    padding: 34px 28px;
  }
  .page-faq .faq-stats-strip {
    grid-template-columns: repeat(6, 1fr);
  }
}

@media (prefers-reduced-motion: reduce) {
  .page-faq [data-reveal] {
    opacity: 1 !important;
    transform: none !important;
    transition: none !important;
  }
  .page-faq .faq-cmdline-cursor {
    animation: none;
  }
  .page-faq .faq-stat,
  .page-faq .faq-hero-img-frame {
    transform: none;
  }
}