.page-faq {
  --faq-grid-line: rgba(57, 255, 20, 0.05);
  --faq-panel-bg: rgba(13, 42, 74, 0.72);
  --faq-panel-bg-open: rgba(13, 42, 74, 0.94);
  --faq-border-soft: rgba(107, 123, 140, 0.3);
  position: relative;
  background: var(--bg-primary);
  color: var(--text-muted);
  overflow-x: hidden;
  padding-bottom: 72px;
}
.page-faq::before {
  content: "";
  position: absolute;
  inset: 0;
  background:
    linear-gradient(var(--faq-grid-line) 1px, transparent 1px),
    linear-gradient(90deg, var(--faq-grid-line) 1px, transparent 1px);
  background-size: 44px 44px;
  pointer-events: none;
}
.page-faq img {
  max-width: 100%;
  height: auto;
}
.page-faq .faq-wrap {
  max-width: var(--container-width);
  margin: 0 auto;
  padding-left: 20px;
  padding-right: 20px;
  position: relative;
  z-index: 1;
}
.page-faq .breadcrumbs {
  margin-bottom: 24px;
}
.page-faq .section-tag {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  padding: 6px 14px;
  border: 1px solid rgba(255, 107, 53, 0.5);
  border-radius: 999px;
  color: var(--accent-orange);
  font-family: var(--font-mono);
  font-size: 12px;
  letter-spacing: 0.08em;
  text-transform: uppercase;
  margin: 0;
  width: fit-content;
}

.page-faq .faq-hero {
  padding: 32px 0 56px;
}
.page-faq .faq-hero-grid {
  display: grid;
  gap: 32px;
  margin-top: 28px;
}
.page-faq .faq-hero-copy {
  display: grid;
  gap: 18px;
}
.page-faq .faq-hero h1 {
  margin: 0;
  font-family: var(--font-display);
  font-size: clamp(26px, 5vw, 44px);
  line-height: 1.2;
  color: var(--text-white);
}
.page-faq .faq-hero-lead {
  margin: 0;
  font-size: 16px;
  line-height: 1.8;
  color: var(--text-muted);
  max-width: 60ch;
}
.page-faq .faq-search-box {
  max-width: 520px;
}
.page-faq .faq-search-box input {
  width: 100%;
  padding: 14px 18px;
  border: 1px solid var(--bg-primary);
  border-radius: 999px;
  background: rgba(13, 42, 74, 0.85);
  color: var(--text-light);
  font-family: var(--font-body);
  font-size: 14px;
  outline: none;
  transition: border-color var(--transition), box-shadow var(--transition);
}
.page-faq .faq-search-box input::placeholder {
  color: var(--support-gray);
}
.page-faq .faq-search-box input:focus {
  border-color: var(--accent-green);
  box-shadow: var(--glow-green);
}
.page-faq .faq-quick-nav {
  display: flex;
  flex-wrap: wrap;
  gap: 10px;
}
.page-faq .faq-chip {
  display: inline-flex;
  align-items: center;
  gap: 6px;
  padding: 8px 16px;
  border: 1px solid var(--faq-border-soft);
  border-radius: 999px;
  background: rgba(13, 42, 74, 0.5);
  color: var(--text-light);
  font-size: 13px;
  text-decoration: none;
  transition: border-color var(--transition), box-shadow var(--transition), color var(--transition);
}
.page-faq .faq-chip:hover {
  border-color: var(--accent-green);
  color: var(--accent-green);
  box-shadow: var(--glow-green);
}
.page-faq .faq-hero-visual {
  position: relative;
  border-radius: var(--radius-xl);
}
.page-faq .faq-hero-visual::before {
  content: "";
  position: absolute;
  inset: 14px -10px -10px 14px;
  border: 1px solid rgba(57, 255, 20, 0.4);
  border-radius: var(--radius-xl);
  z-index: 0;
}
.page-faq .faq-hero-visual img {
  position: relative;
  display: block;
  width: 100%;
  height: auto;
  border-radius: var(--radius-xl);
  border: 1px solid var(--border-color);
  box-shadow: var(--glow-green);
  object-fit: cover;
}

.page-faq .faq-section {
  padding: 56px 0;
  position: relative;
}
.page-faq .faq-section-head {
  display: grid;
  gap: 12px;
  margin-bottom: 28px;
}
.page-faq .faq-section-head h2 {
  margin: 0;
  font-family: var(--font-display);
  font-size: 28px;
  line-height: 1.2;
  color: var(--text-white);
}
.page-faq .faq-section-head p:not(.section-tag) {
  margin: 0;
  max-width: 68ch;
  line-height: 1.7;
  color: var(--text-muted);
}
.page-faq .faq-hot-list {
  display: grid;
  gap: 14px;
}

.page-faq .faq-item {
  background: var(--faq-panel-bg);
  border: 1px solid var(--border-color);
  border-radius: var(--radius-lg);
  transition: border-color var(--transition), box-shadow var(--transition), background var(--transition);
}
.page-faq .faq-item[open] {
  border-color: rgba(57, 255, 20, 0.45);
  background: var(--faq-panel-bg-open);
  box-shadow: 0 0 24px rgba(57, 255, 20, 0.14);
}
.page-faq .faq-item summary {
  list-style: none;
  cursor: pointer;
  display: flex;
  align-items: center;
  gap: 14px;
  padding: 16px 18px;
  font-weight: 600;
  color: var(--text-light);
}
.page-faq .faq-item summary::-webkit-details-marker {
  display: none;
}
.page-faq .faq-item summary:focus-visible {
  outline: 2px solid var(--accent-green);
  outline-offset: 2px;
  border-radius: var(--radius-md);
}
.page-faq .faq-q-num {
  flex: 0 0 auto;
  width: 34px;
  height: 34px;
  display: inline-flex;
  align-items: center;
  justify-content: center;
  border-radius: 50%;
  background: rgba(57, 255, 20, 0.1);
  border: 1px solid rgba(57, 255, 20, 0.3);
  color: var(--accent-green);
  font-family: var(--font-mono);
  font-size: 12px;
}
.page-faq .faq-q-text {
  flex: 1;
}
.page-faq .faq-q-toggle {
  flex: 0 0 auto;
  width: 22px;
  height: 22px;
  position: relative;
  border-radius: 50%;
  border: 1px solid var(--support-gray);
  transition: transform var(--transition), border-color var(--transition);
}
.page-faq .faq-q-toggle::before,
.page-faq .faq-q-toggle::after {
  content: "";
  position: absolute;
  background: var(--support-gray);
  border-radius: 2px;
  transition: background var(--transition);
}
.page-faq .faq-q-toggle::before {
  width: 10px;
  height: 2px;
  top: 9px;
  left: 5px;
}
.page-faq .faq-q-toggle::after {
  width: 2px;
  height: 10px;
  top: 5px;
  left: 9px;
}
.page-faq .faq-item[open] .faq-q-toggle {
  transform: rotate(45deg);
  border-color: var(--accent-green);
}
.page-faq .faq-item[open] .faq-q-toggle::before,
.page-faq .faq-item[open] .faq-q-toggle::after {
  background: var(--accent-green);
}
.page-faq .faq-answer {
  padding: 0 18px;
  max-height: 0;
  overflow: hidden;
  transition: max-height 0.4s ease, padding 0.4s ease;
}
.page-faq .faq-item[open] .faq-answer {
  max-height: 520px;
  padding: 0 18px 18px;
}
.page-faq .faq-answer p {
  margin: 0;
  padding: 14px 14px 0;
  border-top: 1px dashed var(--faq-border-soft);
  line-height: 1.8;
  color: var(--text-muted);
}
.page-faq .faq-answer a {
  color: var(--accent-green);
  text-decoration: underline;
  text-underline-offset: 3px;
}

.page-faq .faq-cat-grid {
  display: grid;
  gap: 22px;
}
.page-faq .faq-cat-col {
  display: grid;
  gap: 14px;
  padding: 22px;
  border-radius: var(--radius-xl);
  border: 1px solid var(--border-color);
  background: linear-gradient(180deg, rgba(13, 42, 74, 0.6), rgba(11, 29, 58, 0.4));
  align-content: start;
}
.page-faq .faq-cat-title {
  margin: 0 0 4px;
  font-family: var(--font-display);
  font-size: 18px;
  line-height: 1.3;
  color: var(--text-white);
  display: inline-flex;
  align-items: center;
  gap: 10px;
}
.page-faq .faq-cat-title::before {
  content: "";
  width: 10px;
  height: 10px;
  border-radius: 50%;
  background: var(--accent-green);
  box-shadow: var(--glow-green);
}
.page-faq .faq-cat-nav .faq-cat-title::before {
  background: var(--support-clay);
  box-shadow: var(--glow-orange);
}
.page-faq .faq-cat-account .faq-cat-title::before {
  background: var(--accent-orange);
  box-shadow: var(--glow-orange);
}
.page-faq .faq-cat-compat .faq-cat-title::before {
  background: var(--support-green);
  box-shadow: none;
}
.page-faq .faq-cat-col .faq-item summary {
  padding: 14px;
  font-size: 14px;
  font-weight: 500;
}
.page-faq .faq-cat-col .faq-q-num {
  width: 26px;
  height: 26px;
  font-size: 11px;
}
.page-faq .faq-cat-col .faq-answer p {
  font-size: 14px;
}

.page-faq .faq-codes {
  background: linear-gradient(180deg, rgba(13, 42, 74, 0.6), rgba(11, 29, 58, 0.9));
  border-top: 1px solid var(--border-color);
  border-bottom: 1px solid var(--border-color);
}
.page-faq .faq-codes-inner {
  display: grid;
  gap: 28px;
  align-items: start;
}
.page-faq .faq-codes-intro {
  display: grid;
  gap: 16px;
}
.page-faq .faq-codes-intro h2 {
  margin: 0;
  font-family: var(--font-display);
  font-size: 28px;
  line-height: 1.2;
  color: var(--text-white);
}
.page-faq .faq-codes-intro p:not(.section-tag) {
  margin: 0;
  line-height: 1.7;
  color: var(--text-muted);
}
.page-faq .faq-code-visual {
  position: relative;
  border-radius: var(--radius-lg);
  overflow: hidden;
}
.page-faq .faq-code-visual img {
  display: block;
  width: 100%;
  height: auto;
  border-radius: var(--radius-lg);
  border: 1px solid var(--border-color);
}

.page-faq .faq-code-window {
  border-radius: var(--radius-xl);
  background: #071224;
  border: 1px solid rgba(57, 255, 20, 0.25);
  box-shadow: 0 0 32px rgba(57, 255, 20, 0.12), inset 0 1px 0 rgba(255, 255, 255, 0.04);
  overflow: hidden;
}
.page-faq .faq-code-bar {
  display: flex;
  align-items: center;
  gap: 8px;
  padding: 12px 16px;
  background: rgba(13, 42, 74, 0.92);
  border-bottom: 1px solid var(--faq-border-soft);
}
.page-faq .faq-code-dot {
  width: 10px;
  height: 10px;
  border-radius: 50%;
}
.page-faq .faq-code-dot-orange {
  background: var(--accent-orange);
}
.page-faq .faq-code-dot-gray {
  background: var(--support-gray);
}
.page-faq .faq-code-dot-green {
  background: var(--accent-green);
  box-shadow: var(--glow-green);
}
.page-faq .faq-code-filename {
  margin-left: 8px;
  font-family: var(--font-mono);
  font-size: 12px;
  color: var(--text-muted);
  letter-spacing: 0.04em;
}
.page-faq .faq-code-list {
  list-style: none;
  margin: 0;
  padding: 8px 16px 16px;
  counter-reset: faqCode;
  font-family: var(--font-mono);
  font-size: 13px;
  overflow-x: auto;
}
.page-faq .faq-code-item {
  display: flex;
  flex-wrap: wrap;
  gap: 4px 12px;
  align-items: baseline;
  padding: 10px 0;
  border-bottom: 1px dashed var(--faq-border-soft);
}
.page-faq .faq-code-item::before {
  content: "第 " counter(faqCode) " 条";
  counter-increment: faqCode;
  flex: 0 0 auto;
  color: var(--accent-orange);
  font-size: 12px;
  min-width: 64px;
}
.page-faq .faq-code-id {
  color: var(--accent-green);
  white-space: nowrap;
}
.page-faq .faq-code-name {
  color: var(--text-light);
  white-space: nowrap;
  font-weight: 600;
}
.page-faq .faq-code-desc {
  flex: 1 1 260px;
  color: var(--text-muted);
  line-height: 1.6;
}

.page-faq .faq-trust-strip {
  padding: 40px 0;
  border-top: 1px solid var(--border-color);
  border-bottom: 1px solid var(--border-color);
  background: rgba(13, 42, 74, 0.4);
}
.page-faq .faq-trust-inner {
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  gap: 20px;
}
.page-faq .faq-trust-item {
  display: grid;
  gap: 6px;
  padding: 18px;
  border-left: 2px solid rgba(57, 255, 20, 0.4);
  background: rgba(11, 29, 58, 0.5);
  border-radius: 0 var(--radius-md) var(--radius-md) 0;
}
.page-faq .faq-trust-num {
  font-family: var(--font-mono);
  font-size: 26px;
  line-height: 1;
  color: var(--accent-green);
}
.page-faq .faq-trust-label {
  font-size: 13px;
  color: var(--text-muted);
}

.page-faq .faq-cta {
  padding: 72px 0 32px;
}
.page-faq .faq-cta-inner {
  display: grid;
  gap: 24px;
  align-items: center;
  padding: 28px;
  border-radius: var(--radius-xl);
  background: linear-gradient(135deg, rgba(57, 255, 20, 0.08), rgba(255, 107, 53, 0.08));
  border: 1px solid var(--border-color);
}
.page-faq .faq-cta h2 {
  margin: 0 0 8px;
  font-family: var(--font-display);
  font-size: 24px;
  line-height: 1.2;
  color: var(--text-white);
}
.page-faq .faq-cta p {
  margin: 0;
  color: var(--text-muted);
  line-height: 1.7;
}
.page-faq .faq-cta a:not(.btn) {
  color: var(--accent-green);
  text-decoration: underline;
  text-underline-offset: 3px;
}

@media (min-width: 900px) {
  .page-faq .faq-hero {
    padding: 48px 0 80px;
  }
  .page-faq .faq-hero-grid {
    grid-template-columns: 1.1fr 0.9fr;
    gap: 48px;
    align-items: center;
  }
  .page-faq .faq-hero-lead {
    font-size: 18px;
  }
  .page-faq .faq-section {
    padding: 80px 0;
  }
  .page-faq .faq-section-head h2 {
    font-size: 34px;
  }
  .page-faq .faq-cat-grid {
    grid-template-columns: repeat(2, 1fr);
  }
  .page-faq .faq-codes-inner {
    grid-template-columns: 0.85fr 1.15fr;
  }
  .page-faq .faq-codes-intro h2 {
    font-size: 34px;
  }
  .page-faq .faq-trust-inner {
    grid-template-columns: repeat(4, 1fr);
    gap: 24px;
  }
  .page-faq .faq-trust-num {
    font-size: 32px;
  }
  .page-faq .faq-cta-inner {
    grid-template-columns: 1fr auto;
    padding: 36px 44px;
  }
}

@media (min-width: 1200px) {
  .page-faq .faq-cat-grid {
    grid-template-columns: repeat(4, 1fr);
  }
}