/* SPSSzero 政策/法律/关于页面通用样式 */
:root {
  --policy-bg: #f7f8fa;
  --policy-card: #fff;
  --policy-text: #1a2332;
  --policy-muted: #6b7280;
  --policy-muted-lt: #9ca3af;
  --policy-sky: #2461ff;
  --policy-sky-soft: #eef3ff;
  --policy-border: #e5e9f0;
  --policy-border-lt: #f0f2f5;
}

* { box-sizing: border-box; }
html, body { margin: 0; padding: 0; }
body {
  font-family: -apple-system, BlinkMacSystemFont, 'Segoe UI', 'PingFang SC', 'Hiragino Sans GB', 'Microsoft YaHei', 'Inter', 'Noto Sans SC', sans-serif;
  background: var(--policy-bg);
  color: var(--policy-text);
  font-size: 14px;
  line-height: 1.7;
  -webkit-font-smoothing: antialiased;
}

/* 顶部导航 */
.policy-header {
  background: rgba(255, 255, 255, 0.92);
  backdrop-filter: saturate(180%) blur(20px);
  -webkit-backdrop-filter: saturate(180%) blur(20px);
  border-bottom: 1px solid var(--policy-border);
  position: sticky;
  top: 0;
  z-index: 100;
}
.policy-header-inner {
  max-width: 980px;
  margin: 0 auto;
  padding: 12px 24px;
  display: flex;
  align-items: center;
  justify-content: space-between;
  height: 52px;
}
.policy-back {
  display: inline-flex;
  align-items: center;
  gap: 6px;
  color: var(--policy-muted);
  font-size: 13px;
  text-decoration: none;
  padding: 6px 10px;
  border-radius: 6px;
  transition: all 0.15s;
}
.policy-back:hover { color: var(--policy-sky); background: var(--policy-sky-soft); }
.policy-logo {
  font-family: 'Outfit', sans-serif;
  font-weight: 800;
  font-size: 18px;
  color: var(--policy-text);
  text-decoration: none;
  letter-spacing: -0.2px;
}
.policy-logo span {
  background: linear-gradient(135deg, #2461ff, #00d4aa);
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
}
.policy-enter {
  background: var(--policy-sky);
  color: #fff;
  font-size: 13px;
  font-weight: 600;
  padding: 7px 16px;
  border-radius: 8px;
  text-decoration: none;
  transition: all 0.15s;
  box-shadow: 0 2px 8px rgba(36, 97, 255, 0.18);
}
.policy-enter:hover { background: #1a4fd9; transform: translateY(-1px); box-shadow: 0 4px 12px rgba(36, 97, 255, 0.28); }

/* 主内容 */
.policy-main {
  max-width: 880px;
  margin: 0 auto;
  padding: 48px 24px 80px;
}
.policy-hero {
  text-align: center;
  margin-bottom: 36px;
}
.policy-hero-tag {
  display: inline-block;
  background: var(--policy-sky-soft);
  color: var(--policy-sky);
  font-size: 12px;
  font-weight: 600;
  padding: 4px 12px;
  border-radius: 12px;
  letter-spacing: 0.5px;
}
.policy-hero h1 {
  font-size: 32px;
  font-weight: 800;
  margin: 14px 0 8px;
  color: var(--policy-text);
  letter-spacing: -0.5px;
}
.policy-hero-subtitle {
  color: var(--policy-muted);
  font-size: 15px;
  margin: 0;
}

.policy-card {
  background: var(--policy-card);
  border-radius: 14px;
  border: 1px solid var(--policy-border);
  padding: 40px 48px;
  box-shadow: 0 1px 3px rgba(0, 0, 0, 0.02);
}
.policy-card h2 {
  font-size: 20px;
  font-weight: 700;
  color: var(--policy-text);
  margin: 32px 0 12px;
  padding-bottom: 8px;
  border-bottom: 2px solid var(--policy-sky);
  display: inline-block;
}
.policy-card h2:first-child { margin-top: 0; }
.policy-card h3 {
  font-size: 16px;
  font-weight: 700;
  color: var(--policy-text);
  margin: 22px 0 10px;
}
.policy-card p {
  color: #374151;
  margin: 10px 0;
  line-height: 1.8;
}
.policy-card ul, .policy-card ol {
  padding-left: 22px;
  color: #374151;
}
.policy-card li {
  margin-bottom: 6px;
  line-height: 1.75;
}
.policy-card strong { color: var(--policy-text); font-weight: 600; }
.policy-card a { color: var(--policy-sky); text-decoration: none; border-bottom: 1px dashed var(--policy-sky); }
.policy-card a:hover { background: var(--policy-sky-soft); }
.policy-card code, .policy-card kbd {
  font-family: 'JetBrains Mono', 'SF Mono', Consolas, monospace;
  font-size: 12.5px;
  background: #f4f6fa;
  color: #2461ff;
  padding: 2px 6px;
  border-radius: 4px;
}

.policy-contact-box {
  margin-top: 40px;
  padding: 18px 22px;
  background: linear-gradient(135deg, #eef3ff, #f0fdfa);
  border-radius: 10px;
  border-left: 3px solid var(--policy-sky);
  font-size: 14px;
  color: var(--policy-text);
}
.policy-contact-box strong { color: var(--policy-sky); }

/* 关于页特殊样式 */
.about-stats {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 16px;
  margin: 32px 0 40px;
}
.about-stat {
  background: var(--policy-card);
  border: 1px solid var(--policy-border);
  border-radius: 10px;
  padding: 20px 16px;
  text-align: center;
}
.about-stat-num {
  font-family: 'Outfit', sans-serif;
  font-size: 30px;
  font-weight: 800;
  background: linear-gradient(135deg, #2461ff, #00d4aa);
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
  letter-spacing: -1px;
}
.about-stat-label {
  font-size: 12px;
  color: var(--policy-muted);
  margin-top: 4px;
}
.about-features {
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  gap: 18px;
  margin: 24px 0;
}
.about-feature {
  background: var(--policy-card);
  border: 1px solid var(--policy-border);
  border-radius: 10px;
  padding: 22px 24px;
  transition: all 0.18s;
}
.about-feature:hover {
  border-color: var(--policy-sky);
  transform: translateY(-2px);
  box-shadow: 0 8px 20px rgba(36, 97, 255, 0.08);
}
.about-feature-icon { font-size: 28px; margin-bottom: 8px; }
.about-feature h4 {
  font-size: 15px;
  font-weight: 700;
  margin: 0 0 6px;
  color: var(--policy-text);
}
.about-feature p {
  margin: 0;
  font-size: 13px;
  color: var(--policy-muted);
  line-height: 1.65;
}
.about-cta {
  margin-top: 40px;
  text-align: center;
  padding: 32px 24px;
  background: linear-gradient(135deg, #2461ff 0%, #4f7fff 100%);
  border-radius: 14px;
  color: #fff;
}
.about-cta h3 {
  color: #fff;
  font-size: 22px;
  margin: 0 0 8px;
}
.about-cta p { color: rgba(255, 255, 255, 0.86); margin: 0 0 18px; font-size: 14px; }
.about-cta .cta-btn {
  display: inline-block;
  background: #fff;
  color: var(--policy-sky);
  padding: 10px 28px;
  border-radius: 8px;
  text-decoration: none;
  font-weight: 700;
  font-size: 14px;
  transition: all 0.15s;
}
.about-cta .cta-btn:hover { transform: translateY(-1px); box-shadow: 0 8px 20px rgba(0, 0, 0, 0.16); }

/* 底部 */
.policy-footer {
  text-align: center;
  padding: 24px 24px 40px;
  color: var(--policy-muted-lt);
  font-size: 12px;
}
.policy-footer a { color: var(--policy-muted); text-decoration: none; margin: 0 6px; }
.policy-footer a:hover { color: var(--policy-sky); }

@media (max-width: 720px) {
  .policy-card { padding: 28px 22px; }
  .policy-hero h1 { font-size: 26px; }
  .about-stats { grid-template-columns: repeat(2, 1fr); }
  .about-features { grid-template-columns: 1fr; }
}