body { font-family: "Microsoft JhengHei", Arial, sans-serif; line-height: 1.6; padding: 20px; max-width: 1000px; margin: 0 auto; background-color: #f4f4f9; }
.container { background: white; padding: 40px; border-radius: 12px; box-shadow: 0 4px 20px rgba(0,0,0,0.08); }
h2 { color: #2c3e50; text-align: center; border-bottom: 2px solid #3498db; padding-bottom: 15px; margin-bottom: 20px; }

.instructions { background: #e8f4fd; padding: 15px; border-radius: 8px; margin-bottom: 25px; font-size: 16px; color: #34495e; }
.instructions ol { margin: 10px 0 0 20px; padding: 0; }

.step-box { margin-bottom: 25px; padding: 20px; border: 1px solid #e0e0e0; border-radius: 8px; background: #fff; position: relative; }
.step-num { position: absolute; top: -15px; left: 20px; background: #3498db; color: white; width: 30px; height: 30px; border-radius: 50%; text-align: center; line-height: 30px; font-weight: bold; }

.btn { padding: 10px 20px; border: none; border-radius: 5px; cursor: pointer; font-size: 14px; transition: 0.3s; display: inline-flex; align-items: center; }
.btn-setup { background: #95a5a6; color: white; margin-right: 10px; }
.btn-setup:hover { background: #7f8c8d; }
.btn-primary { background: #3498db; color: white; width: 100%; justify-content: center; font-size: 18px; font-weight: bold; }
.btn-primary:hover { background: #2980b9; }
.btn-info { background: #2ecc71; color: white; font-size: 12px; margin-right: 5px; }
.btn-mini { padding: 4px 8px; font-size: 12px; background: #ecf0f1; border: 1px solid #bdc3c7; color: #34495e; margin-bottom: 10px; }

.modal { display: none; position: fixed; z-index: 1000; left: 0; top: 0; width: 100%; height: 100%; background: rgba(0,0,0,0.6); overflow-y: auto; }
.modal-content { background: white; margin: 3% auto; padding: 25px; border-radius: 8px; width: 90%; max-width: 850px; }
.modal-header { display: flex; justify-content: space-between; align-items: center; border-bottom: 1px solid #ddd; padding-bottom: 10px; margin-bottom: 15px; }
.close-btn { border:none; background:none; font-size:24px; cursor:pointer; }

table { width: 100%; border-collapse: collapse; }
th, td { border: 1px solid #ddd; padding: 10px; text-align: left; }
th { background: #f8f9fa; }
input[type="text"] { width: 90%; padding: 6px; border: 1px solid #ccc; border-radius: 4px; }
textarea { width: 100%; height: 300px; padding: 10px; font-family: monospace; box-sizing: border-box; }
.footer { margin-top: 40px; text-align: center; font-size: 12px; color: #bdc3c7; }