.tool-header{text-align:center;margin-bottom:40px}.header-badge{display:flex;justify-content:center;gap:12px;margin-bottom:24px;flex-wrap:wrap}.badge{background:linear-gradient(135deg, #3b82f6, #1d4ed8);color:white;padding:6px 18px;border-radius:40px;font-size:0.75rem;font-weight:500;box-shadow:0 2px 8px rgba(0,0,0,0.1)}.tool-header h1{font-size:2.2rem;font-weight:800;background:linear-gradient(135deg, #1e293b, #3b82f6);-webkit-background-clip:text;background-clip:text;color:transparent;margin-bottom:12px}.tool-header p{color:var(--gray-500);font-size:1rem}.core-stats{display:flex;justify-content:center;gap:24px;margin-bottom:32px;flex-wrap:wrap}.core-stat{background:white;border-radius:60px;padding:16px 28px;display:flex;align-items:center;gap:16px;box-shadow:0 4px 15px rgba(0,0,0,0.05);border:1px solid var(--gray-200)}.core-stat-icon{width:48px;height:48px;background:linear-gradient(135deg, #e0e7ff, #f0f4ff);border-radius:50%;display:flex;align-items:center;justify-content:center;color:#3b82f6;font-size:1.3rem}.core-stat-info{text-align:left}.core-stat-value{display:block;font-size:1.5rem;font-weight:700;color:var(--gray-800)}.core-stat-label{font-size:0.7rem;color:var(--gray-500)}.qrcode-container{display:grid;grid-template-columns:1fr 1fr;gap:32px}.input-section{background:var(--gray-50);border-radius:24px;padding:24px}.content-tabs{display:flex;flex-wrap:wrap;gap:8px;margin-bottom:20px}.content-tab{background:white;border:1px solid var(--gray-200);padding:10px 18px;border-radius:40px;cursor:pointer;transition:all 0.2s;font-size:0.85rem}.content-tab i{margin-right:6px}.content-tab.active{background:#3b82f6;border-color:#3b82f6;color:white}.content-panel{margin-bottom:20px}.content-input{width:100%;padding:12px 16px;border:1px solid var(--gray-300);border-radius:12px;font-size:0.9rem;background:white}.content-input:focus{outline:none;border-color:#3b82f6}.mt-2{margin-top:12px}.wifi-hint{font-size:0.7rem;color:var(--gray-500);margin-top:8px}.style-section{background:white;border-radius:16px;padding:16px;margin-bottom:20px}.style-section h4{font-size:0.9rem;margin-bottom:16px;display:flex;align-items:center;gap:8px}.style-grid{display:grid;grid-template-columns:repeat(2, 1fr);gap:16px}.style-item label{display:block;font-size:0.75rem;color:var(--gray-500);margin-bottom:6px}.style-item input[type="color"]{width:100%;height:40px;border:1px solid var(--gray-300);border-radius:8px;cursor:pointer}.style-item select{width:100%;padding:10px;border:1px solid var(--gray-300);border-radius:8px;background:white}.style-item input[type="number"]{width:100%;padding:10px;border:1px solid var(--gray-300);border-radius:8px}.style-item input[type="range"]{width:calc(50%);vertical-align:middle}.style-item span{margin-left:8px;font-size:0.75rem;color:var(--gray-500)}.logo-section{background:white;border-radius:16px;padding:16px;margin-bottom:20px}.logo-section h4{font-size:0.9rem;margin-bottom:16px;display:flex;align-items:center;gap:8px}.logo-upload-area{border:2px dashed var(--gray-300);border-radius:16px;padding:20px;text-align:center;cursor:pointer;transition:all 0.2s}.logo-upload-area:hover{border-color:#3b82f6;background:var(--gray-50)}.logo-upload-area i{font-size:32px;color:var(--gray-400);margin-bottom:8px}.logo-upload-area p{font-size:0.8rem;margin-bottom:4px}.logo-upload-area small{font-size:0.7rem;color:var(--gray-400)}.logo-preview{position:relative;display:inline-block;margin-top:16px}.logo-preview img{width:80px;height:80px;object-fit:contain;border:1px solid var(--gray-200);border-radius:8px;padding:4px}.remove-logo{position:absolute;top:-8px;right:-8px;width:24px;height:24px;background:#ef4444;color:white;border:none;border-radius:50%;cursor:pointer;font-size:12px}.generate-btn{width:100%;padding:14px;font-size:1rem;border-radius:50px}.preview-section{background:var(--gray-50);border-radius:24px;padding:24px}.preview-header{display:flex;justify-content:space-between;align-items:center;margin-bottom:20px;flex-wrap:wrap;gap:12px}.preview-header span{font-weight:600}.preview-actions{display:flex;gap:8px}.action-btn-sm{background:white;border:1px solid var(--gray-300);padding:6px 14px;border-radius:30px;cursor:pointer;font-size:0.75rem;transition:all 0.2s}.action-btn-sm:hover{background:#3b82f6;border-color:#3b82f6;color:white}.qrcode-preview{background:white;border-radius:20px;padding:30px;display:flex;justify-content:center;align-items:center;min-height:350px;border:1px solid var(--gray-200)}.qrcode-container{display:flex;justify-content:center;align-items:center}.qrcode-container img{max-width:100%;height:auto;border-radius:var(--corner-radius, 0)}.qrcode-placeholder{text-align:center;color:var(--gray-400)}.qrcode-placeholder i{font-size:48px;margin-bottom:12px}.preview-tips{display:flex;justify-content:center;gap:24px;margin-top:20px;flex-wrap:wrap}.tip-item{display:flex;align-items:center;gap:6px;font-size:0.7rem;color:var(--gray-500)}.tip-item i{color:#10b981}.info-section{margin-top:32px}.info-grid{display:grid;grid-template-columns:repeat(4, 1fr);gap:16px;padding:16px;background:var(--gray-50);border-radius:20px;margin-top:16px}.info-item{display:flex;align-items:center;gap:10px;font-size:0.8rem;color:var(--gray-600)}.info-item i{color:#3b82f6}@media (max-width:900px){.qrcode-container{grid-template-columns:1fr}.style-grid{grid-template-columns:1fr}.info-grid{grid-template-columns:repeat(2, 1fr)}}@media (max-width:480px){.content-tab{padding:6px 12px;font-size:0.75rem}.preview-header{flex-direction:column;align-items:flex-start}.info-grid{grid-template-columns:1fr}.core-stats{gap:12px}.core-stat{padding:12px 20px}}