.page-faq {
  --faq-orange: #FF6B00;
  --faq-lime: #39FF14;
  --faq-dark: #0A192F;
  --faq-blue: #1E3A5F;
  --faq-bg: #F5F5F5;
  --faq-line: #DDDDDD;
  --faq-ink: #111111;
  --faq-muted: #555555;
  --faq-white: #FFFFFF;
  --faq-heading: 'Archivo Black', 'Noto Sans SC', 'PingFang SC', 'Microsoft YaHei', sans-serif;
  --faq-sub: 'DIN Alternate', 'Bahnschrift', 'Noto Sans SC', sans-serif;
  --faq-mono: 'Roboto Mono', 'SF Mono', 'Consolas', 'Liberation Mono', monospace;
  --faq-body: 'Noto Sans SC', 'PingFang SC', 'Hiragino Sans GB', 'Microsoft YaHei', sans-serif;
  --faq-radius-sm: 6px;
  --faq-radius-md: 12px;
  --faq-radius-lg: 24px;
  --faq-radius-pill: 999px;
  --faq-shadow-sm: 0 2px 8px rgba(10,25,47,0.06);
  --faq-shadow-md: 0 8px 24px rgba(10,25,47,0.10);
  --faq-shadow-lg: 0 16px 48px rgba(10,25,47,0.14);
  --faq-container-w: 1320px;
  --faq-section-x: 40px;
  --faq-section-y: 72px;
  background-color: var(--faq-bg);
  color: var(--faq-ink);
  font-family: var(--faq-body);
  line-height: 1.7;
  overflow-x: hidden;
}

.page-faq .container {
  max-width: var(--faq-container-w);
  margin: 0 auto;
  padding-left: var(--faq-section-x);
  padding-right: var(--faq-section-x);
}

.page-faq .breadcrumb {
  display: flex;
  align-items: center;
  flex-wrap: wrap;
  gap: 8px;
  padding-top: 88px;
  padding-bottom: 0;
  font-family: var(--faq-sub);
  font-size: 0.875rem;
  color: var(--faq-muted);
}

.page-faq .breadcrumb a {
  color: var(--faq-muted);
  text-decoration: none;
  transition: color 0.2s ease;
}

.page-faq .breadcrumb a:hover {
  color: var(--faq-orange);
}

.page-faq .breadcrumb-sep {
  color: #aaa;
}

.page-faq .breadcrumb [aria-current='page'] {
  color: var(--faq-ink);
  font-weight: 600;
}

.page-faq .section {
  padding-top: var(--faq-section-y);
  padding-bottom: var(--faq-section-y);
}

.page-faq .section--tight {
  padding-top: 40px;
  padding-bottom: 40px;
}

.page-faq .section--dark {
  background-color: var(--faq-dark);
  color: var(--faq-white);
}

.page-faq .sr-only {
  position: absolute;
  width: 1px;
  height: 1px;
  padding: 0;
  margin: -1px;
  overflow: hidden;
  clip: rect(0, 0, 0, 0);
  white-space: nowrap;
  border: 0;
}

.page-faq .btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 8px;
  border: none;
  cursor: pointer;
  font-family: var(--faq-sub);
  font-weight: 700;
  border-radius: var(--faq-radius-pill);
  text-decoration: none;
  transition: transform 0.2s ease, box-shadow 0.2s ease, background-color 0.2s ease, color 0.2s ease;
  white-space: nowrap;
}

.page-faq .btn-primary {
  background-color: var(--faq-orange);
  color: var(--faq-white);
  padding: 14px 32px;
  font-size: 1rem;
  box-shadow: 0 6px 20px rgba(255, 107, 0, 0.28);
}

.page-faq .btn-primary:hover {
  transform: translateY(-2px);
  box-shadow: 0 10px 28px rgba(255, 107, 0, 0.34);
}

.page-faq .btn-ghost {
  background-color: transparent;
  color: var(--faq-dark);
  border: 1px solid var(--faq-line);
  padding: 8px 18px;
  font-size: 0.875rem;
}

.page-faq .btn-ghost:hover {
  border-color: var(--faq-orange);
  color: var(--faq-orange);
  transform: translateY(-2px);
}

.page-faq .btn-sm {
  padding: 6px 14px;
  font-size: 0.8125rem;
}

/* ===== 首屏编辑区 ===== */
.page-faq .faq-hero {
  padding-top: 56px;
  position: relative;
}

.page-faq .faq-hero::before {
  content: '';
  position: absolute;
  top: 0;
  right: 0;
  width: 42%;
  height: 100%;
  background: var(--faq-dark);
  clip-path: polygon(12% 0, 100% 0, 100% 100%, 0 100%);
  z-index: 0;
}

.page-faq .faq-hero-grid {
  display: grid;
  grid-template-columns: 1fr;
  gap: 48px;
  position: relative;
  z-index: 1;
}

.page-faq .faq-hero-copy {
  max-width: 640px;
}

.page-faq .faq-kicker {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  font-family: var(--faq-mono);
  font-size: 0.8125rem;
  letter-spacing: 0.08em;
  text-transform: uppercase;
  color: var(--faq-orange);
  font-weight: 700;
  margin-bottom: 16px;
  border-left: 3px solid var(--faq-orange);
  padding-left: 12px;
}

.page-faq .faq-hero h1 {
  font-family: var(--faq-heading);
  font-size: 2.125rem;
  line-height: 1.25;
  letter-spacing: -0.02em;
  margin: 0 0 16px;
  color: var(--faq-ink);
}

.page-faq .page-lead {
  font-size: 1rem;
  color: var(--faq-muted);
  margin-bottom: 28px;
  max-width: 560px;
}

.page-faq .faq-hero-stats {
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  gap: 12px;
  margin-bottom: 28px;
}

.page-faq .stat-item {
  background: var(--faq-white);
  border: 1px solid var(--faq-line);
  border-left: 3px solid var(--faq-orange);
  border-radius: 0 var(--faq-radius-md) var(--faq-radius-md) 0;
  padding: 14px 16px;
  display: flex;
  flex-direction: column;
  box-shadow: var(--faq-shadow-sm);
}

.page-faq .stat-num {
  font-family: var(--faq-mono);
  font-size: 1.5rem;
  font-weight: 700;
  color: var(--faq-dark);
  letter-spacing: -0.02em;
}

.page-faq .stat-label {
  font-size: 0.8125rem;
  color: var(--faq-muted);
  font-family: var(--faq-sub);
}

.page-faq .faq-search-wrap {
  display: flex;
  align-items: center;
  gap: 10px;
  background: var(--faq-white);
  border: 1px solid var(--faq-line);
  border-radius: var(--faq-radius-pill);
  padding: 8px 18px;
  max-width: 480px;
  box-shadow: var(--faq-shadow-sm);
  transition: border-color 0.2s ease, box-shadow 0.2s ease;
}

.page-faq .faq-search-wrap:focus-within {
  border-color: var(--faq-orange);
  box-shadow: 0 0 0 3px rgba(255, 107, 0, 0.12);
}

.page-faq .faq-search-icon {
  flex-shrink: 0;
}

.page-faq .faq-search-wrap input {
  width: 100%;
  border: none;
  outline: none;
  font-family: var(--faq-body);
  font-size: 0.9375rem;
  color: var(--faq-ink);
  background: transparent;
  padding: 6px 0;
}

.page-faq .faq-search-wrap input::placeholder {
  color: #999;
}

.page-faq .faq-hero-visual {
  position: relative;
  max-width: 480px;
}

.page-faq .faq-hero-img-wrap {
  position: relative;
  border-radius: var(--faq-radius-lg);
  overflow: hidden;
  background: var(--faq-dark);
  transform: rotate(-1.2deg);
  box-shadow: var(--faq-shadow-lg);
}

.page-faq .faq-hero-img-wrap::after {
  content: '';
  position: absolute;
  top: 12px;
  left: 12px;
  right: -12px;
  bottom: -12px;
  border: 2px solid var(--faq-orange);
  border-radius: var(--faq-radius-lg);
  z-index: -1;
}

.page-faq .faq-hero-img-wrap img {
  display: block;
  width: 100%;
  height: auto;
  object-fit: cover;
}

.page-faq .faq-live-card {
  position: absolute;
  bottom: 18px;
  left: -14px;
  display: inline-flex;
  align-items: center;
  gap: 10px;
  background: var(--faq-dark);
  color: var(--faq-white);
  border-radius: var(--faq-radius-pill);
  padding: 10px 18px;
  font-family: var(--faq-sub);
  font-size: 0.8125rem;
  box-shadow: var(--faq-shadow-md);
  border-left: 3px solid var(--faq-lime);
}

.page-faq .faq-live-text {
  font-weight: 600;
}

.page-faq .faq-corner-index {
  position: absolute;
  top: -18px;
  right: -10px;
  font-family: var(--faq-heading);
  font-size: 4rem;
  color: rgba(255, 107, 0, 0.28);
  line-height: 1;
  display: flex;
  align-items: baseline;
  gap: 4px;
  z-index: -1;
}

.page-faq .faq-corner-index span {
  font-family: var(--faq-mono);
  font-size: 1rem;
  color: var(--faq-lime);
  background: var(--faq-dark);
  border-radius: var(--faq-radius-sm);
  padding: 2px 6px;
}

/* ===== 正文版心 ===== */
.page-faq .faq-body {
  padding-top: 32px;
}

.page-faq .faq-layout {
  display: grid;
  grid-template-columns: 1fr;
  gap: 32px;
}

/* 快速索引 */
.page-faq .faq-index {
  position: relative;
  background: var(--faq-dark);
  border-radius: var(--faq-radius-lg);
  padding: 24px 20px;
  color: var(--faq-white);
  align-self: start;
  box-shadow: var(--faq-shadow-md);
  overflow: hidden;
}

.page-faq .faq-index::before {
  content: '';
  position: absolute;
  top: 0;
  left: 0;
  width: 4px;
  height: 100%;
  background: linear-gradient(180deg, var(--faq-orange), var(--faq-lime));
}

.page-faq .faq-index-title {
  font-family: var(--faq-heading);
  font-size: 0.9375rem;
  letter-spacing: 0.06em;
  color: var(--faq-orange);
  margin: 0 0 18px;
  padding-bottom: 12px;
  border-bottom: 1px solid rgba(255, 255, 255, 0.12);
}

.page-faq .faq-index-nav {
  display: flex;
  flex-direction: column;
  gap: 6px;
}

.page-faq .faq-index-link {
  display: flex;
  align-items: center;
  gap: 12px;
  padding: 12px 14px;
  border-radius: var(--faq-radius-md);
  text-decoration: none;
  color: rgba(255, 255, 255, 0.72);
  font-family: var(--faq-sub);
  font-size: 0.9375rem;
  transition: background-color 0.2s ease, color 0.2s ease, transform 0.2s ease;
}

.page-faq .faq-index-link:hover {
  background: rgba(255, 255, 255, 0.06);
  color: var(--faq-white);
  transform: translateX(4px);
}

.page-faq .faq-index-link.is-active {
  background: var(--faq-orange);
  color: var(--faq-white);
}

.page-faq .faq-index-no {
  font-family: var(--faq-mono);
  font-size: 0.8125rem;
  font-weight: 700;
  opacity: 0.85;
}

.page-faq .faq-index-name {
  flex: 1;
  font-weight: 600;
}

.page-faq .faq-index-count {
  font-family: var(--faq-mono);
  font-size: 0.75rem;
  padding: 2px 8px;
  border-radius: var(--faq-radius-pill);
  background: rgba(255, 255, 255, 0.1);
  color: rgba(255, 255, 255, 0.7);
}

.page-faq .faq-index-link.is-active .faq-index-count {
  background: rgba(255, 255, 255, 0.22);
  color: var(--faq-white);
}

.page-faq .faq-index-help {
  margin-top: 24px;
  padding: 16px 14px;
  border-top: 1px solid rgba(255, 255, 255, 0.12);
  display: flex;
  align-items: center;
  gap: 10px;
  flex-wrap: wrap;
}

.page-faq .faq-index-help-dot {
  width: 8px;
  height: 8px;
  border-radius: 50%;
  background: var(--faq-lime);
  box-shadow: 0 0 8px rgba(57, 255, 20, 0.6);
  animation: faqPulse 2s ease-in-out infinite;
}

.page-faq .faq-index-help p {
  margin: 0;
  font-size: 0.875rem;
  color: rgba(255, 255, 255, 0.64);
  flex: 1;
}

.page-faq .faq-index-help .btn-ghost {
  border-color: rgba(255, 255, 255, 0.24);
  color: rgba(255, 255, 255, 0.85);
}

.page-faq .faq-index-help .btn-ghost:hover {
  border-color: var(--faq-orange);
  color: var(--faq-orange);
}

/* 问答内容区 */
.page-faq .faq-content {
  min-width: 0;
}

.page-faq .faq-group {
  margin-bottom: 56px;
  scroll-margin-top: 120px;
}

.page-faq .faq-group-head {
  display: flex;
  align-items: center;
  gap: 16px;
  margin-bottom: 20px;
  position: relative;
}

.page-faq .faq-group-no {
  font-family: var(--faq-heading);
  font-size: 2.4rem;
  color: var(--faq-orange);
  line-height: 1;
  letter-spacing: -0.03em;
}

.page-faq .faq-group-title {
  font-family: var(--faq-heading);
  font-size: 1.375rem;
  color: var(--faq-ink);
  margin: 0;
  letter-spacing: -0.01em;
}

.page-faq .faq-group-line {
  flex: 1;
  height: 1px;
  background: linear-gradient(90deg, var(--faq-line), transparent);
}

/* 手风琴列表 */
.page-faq .faq-list {
  display: flex;
  flex-direction: column;
  gap: 10px;
}

.page-faq .faq-item {
  background: var(--faq-white);
  border: 1px solid var(--faq-line);
  border-radius: var(--faq-radius-md);
  overflow: hidden;
  transition: box-shadow 0.25s ease, border-color 0.25s ease;
}

.page-faq .faq-item:hover {
  box-shadow: var(--faq-shadow-sm);
}

.page-faq .faq-item.is-open {
  border-color: rgba(255, 107, 0, 0.5);
  box-shadow: var(--faq-shadow-md);
}

.page-faq .faq-item h3 {
  margin: 0;
}

.page-faq .faq-toggle {
  display: flex;
  align-items: center;
  gap: 14px;
  width: 100%;
  padding: 18px 20px;
  background: transparent;
  border: none;
  cursor: pointer;
  text-align: left;
  font-family: var(--faq-body);
  font-size: 1rem;
  color: var(--faq-ink);
  transition: background-color 0.2s ease;
}

.page-faq .faq-toggle:hover {
  background: rgba(255, 107, 0, 0.04);
}

.page-faq .faq-toggle-q {
  font-family: var(--faq-mono);
  font-size: 0.8125rem;
  font-weight: 700;
  color: var(--faq-orange);
  background: rgba(255, 107, 0, 0.08);
  border-radius: var(--faq-radius-sm);
  padding: 4px 8px;
  flex-shrink: 0;
  letter-spacing: 0.03em;
}

.page-faq .faq-toggle-text {
  flex: 1;
  font-weight: 600;
  line-height: 1.5;
}

.page-faq .faq-toggle-icon {
  position: relative;
  width: 20px;
  height: 20px;
  flex-shrink: 0;
}

.page-faq .faq-toggle-icon::before,
.page-faq .faq-toggle-icon::after {
  content: '';
  position: absolute;
  background: var(--faq-orange);
  border-radius: 2px;
  transition: transform 0.25s ease, opacity 0.25s ease;
}

.page-faq .faq-toggle-icon::before {
  width: 14px;
  height: 2px;
  top: 9px;
  left: 3px;
}

.page-faq .faq-toggle-icon::after {
  width: 2px;
  height: 14px;
  top: 3px;
  left: 9px;
}

.page-faq .faq-item.is-open .faq-toggle-icon::after {
  transform: scaleY(0);
  opacity: 0;
}

.page-faq .faq-panel {
  max-height: 0;
  overflow: hidden;
  transition: max-height 0.3s ease;
}

.page-faq .faq-answer {
  margin: 0;
  padding: 0 20px 20px;
  color: var(--faq-muted);
  font-size: 0.9375rem;
  line-height: 1.8;
  border-top: 1px dashed var(--faq-line);
  padding-top: 16px;
}

.page-faq .faq-answer::before {
  content: '';
  display: block;
  width: 32px;
  height: 3px;
  background: var(--faq-orange);
  border-radius: 2px;
  margin-bottom: 12px;
}

/* 文档链接 */
.page-faq .faq-doc-links {
  display: grid;
  grid-template-columns: 1fr;
  gap: 16px;
  margin-top: 16px;
}

.page-faq .faq-doc-links-item {
  display: flex;
  align-items: center;
  gap: 16px;
  background: linear-gradient(135deg, rgba(255, 107, 0, 0.05), transparent);
  border: 1px solid var(--faq-line);
  border-left: 3px solid var(--faq-orange);
  border-radius: var(--faq-radius-sm) var(--faq-radius-md) var(--faq-radius-md) var(--faq-radius-sm);
  padding: 16px 20px;
}

.page-faq .faq-doc-icon {
  font-size: 1.625rem;
  flex-shrink: 0;
}

.page-faq .faq-doc-links-item p {
  flex: 1;
  margin: 0;
  font-size: 0.906rem;
  color: var(--faq-muted);
  line-height: 1.7;
}

.page-faq .faq-doc-links-item a {
  color: var(--faq-orange);
  font-family: var(--faq-sub);
  font-weight: 700;
  font-size: 0.875rem;
  text-decoration: none;
  white-space: nowrap;
  transition: opacity 0.2s ease;
}

.page-faq .faq-doc-links-item a:hover {
  opacity: 0.72;
}

/* ===== 数据安全区 ===== */
.page-faq .faq-security {
  background: var(--faq-dark);
  color: var(--faq-white);
  padding-top: 72px;
  padding-bottom: 72px;
  position: relative;
  overflow: hidden;
}

.page-faq .faq-security::before {
  content: '';
  position: absolute;
  top: 0;
  left: 0;
  right: 0;
  height: 3px;
  background: linear-gradient(90deg, var(--faq-orange), var(--faq-lime));
}

.page-faq .faq-security::after {
  content: 'DATA SAFETY';
  position: absolute;
  right: -20px;
  bottom: -10px;
  font-family: var(--faq-heading);
  font-size: 5.5rem;
  letter-spacing: -0.04em;
  color: rgba(255, 255, 255, 0.04);
  pointer-events: none;
  line-height: 1;
}

.page-faq .faq-security-inner {
  display: grid;
  grid-template-columns: 1fr;
  gap: 36px;
  align-items: center;
  position: relative;
  z-index: 1;
}

.page-faq .faq-security-img-wrap {
  border-radius: var(--faq-radius-lg);
  overflow: hidden;
  transform: rotate(1deg);
  box-shadow: var(--faq-shadow-lg);
  border: 1px solid rgba(255, 255, 255, 0.1);
}

.page-faq .faq-security-img-wrap img {
  display: block;
  width: 100%;
  height: auto;
  object-fit: cover;
}

.page-faq .faq-security-tag {
  display: inline-block;
  font-family: var(--faq-mono);
  font-size: 0.8125rem;
  color: var(--faq-lime);
  background: rgba(57, 255, 20, 0.1);
  border: 1px solid rgba(57, 255, 20, 0.3);
  border-radius: var(--faq-radius-pill);
  padding: 4px 12px;
  margin-bottom: 16px;
  letter-spacing: 0.04em;
}

.page-faq .faq-security-heading {
  font-family: var(--faq-heading);
  font-size: 1.75rem;
  line-height: 1.3;
  margin: 0 0 16px;
  color: var(--faq-white);
  letter-spacing: -0.02em;
}

.page-faq .faq-security-desc {
  font-size: 0.9375rem;
  line-height: 1.8;
  color: rgba(255, 255, 255, 0.72);
  margin-bottom: 20px;
  max-width: 540px;
}

.page-faq .faq-security-footer {
  display: flex;
  align-items: center;
  gap: 8px;
  flex-wrap: wrap;
  font-family: var(--faq-sub);
  font-size: 0.875rem;
  color: rgba(255, 255, 255, 0.5);
}

.page-faq .faq-security-hint {
  color: rgba(255, 255, 255, 0.64);
}

.page-faq .faq-security-link {
  color: var(--faq-white);
  text-decoration: none;
  font-weight: 700;
  border-bottom: 1px solid var(--faq-orange);
  transition: color 0.2s ease;
}

.page-faq .faq-security-link:hover {
  color: var(--faq-orange);
}

/* ===== CTA 区 ===== */
.page-faq .faq-cta {
  padding-top: 64px;
  padding-bottom: 80px;
}

.page-faq .faq-cta-inner {
  display: flex;
  flex-direction: column;
  gap: 20px;
  align-items: flex-start;
}

.page-faq .faq-cta-title {
  font-family: var(--faq-heading);
  font-size: 1.375rem;
  line-height: 1.4;
  color: var(--faq-ink);
  margin: 0 0 6px;
}

.page-faq .faq-cta-desc {
  margin: 0;
  color: var(--faq-muted);
  font-size: 0.9375rem;
}

/* 滚动显现协议 */
.page-faq [data-reveal] {
  opacity: 0;
  transform: translateY(24px);
  transition: opacity 0.6s ease, transform 0.6s ease;
}

.page-faq [data-reveal][data-revealed] {
  opacity: 1;
  transform: translateY(0);
}

/* 动态点动画 */
@keyframes faqPulse {
  0%, 100% {
    box-shadow: 0 0 4px rgba(57, 255, 20, 0.4);
    opacity: 1;
  }
  50% {
    box-shadow: 0 0 14px rgba(57, 255, 20, 0.8);
    opacity: 0.6;
  }
}

/* 桌面端 */
@media (min-width: 768px) {
  .page-faq {
    --faq-section-x: 40px;
  }

  .page-faq .faq-hero-grid {
    grid-template-columns: 5fr 4fr;
    align-items: center;
  }

  .page-faq .faq-hero h1 {
    font-size: 2.75rem;
  }

  .page-faq .faq-hero-stats {
    grid-template-columns: repeat(4, 1fr);
    gap: 12px;
  }

  .page-faq .stat-num {
    font-size: 1.625rem;
  }

  .page-faq .faq-hero-visual {
    margin-left: auto;
    max-width: 440px;
  }

  .page-faq .faq-layout {
    grid-template-columns: 300px minmax(0, 1fr);
    gap: 48px;
    align-items: start;
  }

  .page-faq .faq-index {
    position: sticky;
    top: 100px;
  }

  .page-faq .faq-group-head {
    margin-bottom: 24px;
  }

  .page-faq .faq-group-no {
    font-size: 2.75rem;
  }

  .page-faq .faq-group-title {
    font-size: 1.625rem;
  }

  .page-faq .faq-toggle {
    padding: 20px 24px;
  }

  .page-faq .faq-answer {
    padding: 0 24px 24px;
    padding-top: 16px;
  }

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

  .page-faq .faq-security-inner {
    grid-template-columns: 400px 1fr;
    gap: 60px;
  }

  .page-faq .faq-security-heading {
    font-size: 2.125rem;
  }

  .page-faq .faq-cta-inner {
    flex-direction: row;
    align-items: center;
    justify-content: space-between;
  }
}

@media (min-width: 1080px) {
  .page-faq .faq-hero::before {
    width: 46%;
  }

  .page-faq .faq-hero-copy {
    max-width: 640px;
  }

  .page-faq .faq-hero h1 {
    font-size: 3.25rem;
  }

  .page-faq .faq-hero-visual {
    max-width: 480px;
  }

  .page-faq .faq-layout {
    gap: 72px;
  }

  .page-faq .faq-index {
    padding: 28px 24px;
  }
}