* { box-sizing: border-box; margin: 0; padding: 0; }
body { font-family: 'Noto Sans SC', -apple-system, BlinkMacSystemFont, sans-serif; color: #1e293b; line-height: 1.8; background: #f8fafc; }
.container { max-width: 800px; margin: 0 auto; padding: 0 24px; }
.header { background: #fff; border-bottom: 1px solid #e2e8f0; padding: 20px 0; position: sticky; top: 0; z-index: 100; }
.header .container { display: flex; align-items: center; gap: 24px; }
.header .logo { color: #3b82f6; text-decoration: none; font-size: 14px; }
.header h1 { font-size: 20px; font-weight: 600; }
.content { background: #fff; padding: 40px; margin: 40px auto; border-radius: 16px; box-shadow: 0 4px 20px rgba(0,0,0,0.06); }
.update-date { color: #64748b; font-size: 14px; margin-bottom: 32px; padding-bottom: 16px; border-bottom: 1px solid #e2e8f0; }
h2 { font-size: 18px; font-weight: 600; margin: 32px 0 16px; color: #0f172a; }
h2:first-of-type { margin-top: 0; }
p { margin-bottom: 16px; color: #475569; }
ul { margin: 16px 0; padding-left: 24px; }
li { margin-bottom: 8px; color: #475569; }
.footer { background: #0f172a; color: rgba(255,255,255,0.7); padding: 24px 0; text-align: center; font-size: 14px; }
.footer a { color: rgba(255,255,255,0.7); text-decoration: none; }
.footer a:hover { color: #fff; }
@media (max-width: 768px) { .content { margin: 20px; padding: 24px; } h2 { font-size: 16px; } }