body { font-family: -apple-system, BlinkMacSystemFont, “Segoe UI”, Roboto, Helvetica, Arial, sans-serif; line-height: 1.6; color: #334155; margin: 0; padding: 0; background-color: #f8fafc; }
.container { max-width: 600px; margin: 40px auto; background: #ffffff; border-radius: 12px; overflow: hidden; box-shadow: 0 4px 6px -1px rgba(0, 0, 0, 0.1), 0 2px 4px -1px rgba(0, 0, 0, 0.06); border: 1px solid #e2e8f0; }
.header { background-color: #3b82f6; padding: 32px 24px; text-align: center; }
.header h1 { color: #ffffff; margin: 0; font-size: 24px; font-weight: 700; letter-spacing: -0.025em; }
.content { padding: 40px 32px; }
.content h2 { color: #1e293b; margin-top: 0; font-size: 20px; font-weight: 600; }
.content p { margin-bottom: 24px; color: #475569; }
.info-box { background-color: #f1f5f9; border-radius: 8px; padding: 20px; margin-bottom: 24px; border-left: 4px solid #3b82f6; }
.info-item { margin-bottom: 8px; font-size: 14px; }
.info-label { font-weight: 600; color: #64748b; width: 100px; display: inline-block; }
.info-value { color: #1e293b; }
.button { display: inline-block; background-color: #3b82f6; color: #ffffff !important; padding: 12px 24px; border-radius: 6px; text-decoration: none; font-weight: 600; font-size: 16px; transition: background-color 0.2s; }
.footer { padding: 24px; text-align: center; font-size: 13px; color: #94a3b8; background-color: #f8fafc; border-top: 1px solid #e2e8f0; }
.footer p { margin: 4px 0; }