* { margin: 0; padding: 0; box-sizing: border-box; }
body { font-family: -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, "Noto Sans TC", sans-serif; background: #f5f7fa; color: #333; line-height: 1.7; }
header { background: linear-gradient(135deg, #e74c3c 0%, #c0392b 100%); color: #fff; padding: 40px 20px; text-align: center; }
header h1 { font-size: 2rem; margin-bottom: 8px; }
header p { font-size: 1.1rem; opacity: 0.9; }
.back-link { display: block; text-align: left; margin-bottom: 12px; }
.back-link a { color: #fff; text-decoration: underline; font-size: 0.9rem; }
.container { max-width: 1100px; margin: 0 auto; padding: 20px; }
.section { background: #fff; border-radius: 12px; padding: 24px; margin-bottom: 16px; box-shadow: 0 2px 8px rgba(0,0,0,0.06); }
.section h2 { font-size: 1.3rem; color: #e74c3c; margin-bottom: 16px; border-bottom: 2px solid #eee; padding-bottom: 8px; }
.section h3 { font-size: 1.1rem; color: #333; margin: 20px 0 10px; }
.section p { margin-bottom: 12px; }
.section ul, .section ol { margin: 10px 0 10px 20px; }
.section li { margin-bottom: 6px; }
.section a { color: inherit; }
.code { background: #2d2d2d; color: #f8f8f2; padding: 16px; border-radius: 8px; overflow-x: auto; font-family: "Consolas", "Monaco", monospace; font-size: 0.9rem; margin: 12px 0; white-space: pre; line-height: 1.5; }
table { width: 100%; border-collapse: collapse; margin: 12px 0; }
table th, table td { border: 1px solid #ddd; padding: 8px; text-align: left; }
table th { background: #f5f5f5; }
footer { text-align: center; padding: 20px; color: #999; font-size: 0.8rem; }
footer a { color: #e74c3c; }