.shorturl-container{display:grid;grid-template-columns:1fr 1fr;gap:24px;margin-bottom:24px}.shorturl-card,.batch-card,.stats-card{background:linear-gradient(135deg, #fff, #f8fafc);border-radius:28px;overflow:hidden;border:1px solid rgba(0,0,0,0.05);box-shadow:0 8px 25px -10px rgba(0,0,0,0.08);transition:all 0.3s}.shorturl-card:hover,.batch-card:hover{transform:translateY(-2px);box-shadow:0 15px 35px -12px rgba(0,0,0,0.12)}.card-header{display:flex;align-items:center;gap:16px;padding:20px 24px;background:linear-gradient(135deg, #f8fafc, #fff);border-bottom:1px solid var(--gray-200)}.header-icon{width:48px;height:48px;background:linear-gradient(135deg, #e0e7ff, #f0f4ff);border-radius:16px;display:flex;align-items:center;justify-content:center;font-size:1.3rem;color:var(--primary-color)}.header-title h3{font-size:1rem;font-weight:600;margin-bottom:4px;color:var(--gray-800)}.header-title p{font-size:0.7rem;color:var(--gray-500)}.toggle-btn{margin-left:auto;background:transparent;border:none;padding:8px 16px;border-radius:30px;cursor:pointer;color:var(--gray-500);transition:all 0.2s}.toggle-btn:hover{background:var(--gray-100);color:var(--primary-color)}.card-body{padding:24px}.input-group{display:flex;align-items:center;gap:12px;background:white;border:1px solid var(--gray-200);border-radius:60px;padding:4px 4px 4px 20px;transition:all 0.3s}.input-group:focus-within{border-color:var(--primary-color);box-shadow:0 0 0 3px rgba(59,130,246,0.1)}.input-icon{color:var(--gray-400);font-size:1rem}.url-input{flex:1;border:none;padding:14px 0;font-size:0.9rem;background:transparent}.url-input:focus{outline:none}.generate-btn,.expand-btn{background:linear-gradient(135deg, var(--primary-color), var(--primary-dark));border:none;padding:12px 28px;border-radius:50px;color:white;font-weight:500;cursor:pointer;transition:all 0.3s;display:flex;align-items:center;gap:8px}.generate-btn:hover,.expand-btn:hover{transform:translateY(-2px);box-shadow:0 8px 20px rgba(59,130,246,0.3)}.input-tips{display:flex;justify-content:center;gap:24px;margin-top:16px;flex-wrap:wrap}.input-tips span{font-size:0.7rem;color:var(--gray-500);display:flex;align-items:center;gap:6px}.input-tips i{color:var(--success-color)}.result-area{margin-top:20px;padding:16px;background:linear-gradient(135deg, #f0fdf4, #ecfdf5);border-radius:20px;animation:fadeIn 0.3s ease}.result-label{display:flex;align-items:center;gap:8px;font-size:0.8rem;font-weight:500;color:#065f46;margin-bottom:12px}.result-label .copy-tip{margin-left:auto;font-size:0.65rem;color:var(--gray-400)}.result-url{background:white;padding:12px 16px;border-radius:12px;margin-bottom:16px;word-break:break-all}.result-url a{color:var(--primary-color);text-decoration:none;font-family:monospace;font-size:0.85rem}.result-actions{display:flex;gap:12px}.action-btn{flex:1;background:white;border:1px solid var(--gray-200);padding:8px 16px;border-radius:40px;cursor:pointer;transition:all 0.2s;display:flex;align-items:center;justify-content:center;gap:6px;font-size:0.8rem;color:var(--gray-600)}.action-btn:hover{background:var(--primary-color);border-color:var(--primary-color);color:white}.batch-panel{padding:20px 24px;border-top:1px solid var(--gray-200)}.batch-input-area{background:var(--gray-50);border-radius:20px;padding:20px}.batch-textarea{width:100%;min-height:150px;padding:16px;border:1px solid var(--gray-200);border-radius:16px;font-family:monospace;font-size:0.85rem;resize:vertical;background:white}.batch-textarea:focus{outline:none;border-color:var(--primary-color)}.batch-actions{display:flex;gap:12px;margin-top:16px;flex-wrap:wrap}.btn-outline{background:transparent;border:1px solid var(--gray-300);padding:10px 20px;border-radius:50px;font-weight:500;cursor:pointer;transition:all 0.3s;display:inline-flex;align-items:center;gap:8px}.btn-outline:hover{background:var(--gray-100);border-color:var(--primary-color);color:var(--primary-color)}.batch-result{margin-top:20px;background:white;border-radius:16px;overflow:hidden;border:1px solid var(--gray-200)}.result-header{display:flex;justify-content:space-between;align-items:center;padding:12px 16px;background:var(--gray-50);border-bottom:1px solid var(--gray-200);font-weight:500}.export-btn{background:transparent;border:none;padding:6px 12px;border-radius:30px;cursor:pointer;font-size:0.7rem;color:var(--gray-500)}.export-btn:hover{background:var(--gray-200);color:var(--primary-color)}.batch-result-list{max-height:300px;overflow-y:auto}.batch-item{display:flex;justify-content:space-between;align-items:center;padding:12px 16px;border-bottom:1px solid var(--gray-100);font-size:0.8rem}.batch-item:last-child{border-bottom:none}.batch-item .short{color:var(--primary-color);font-family:monospace}.batch-item-actions{display:flex;gap:8px}.batch-item-actions button{background:transparent;border:none;cursor:pointer;padding:4px 8px;border-radius:6px;color:var(--gray-500)}.batch-item-actions button:hover{background:var(--gray-100);color:var(--primary-color)}.stats-card{margin-top:24px}.stats-grid{display:grid;grid-template-columns:repeat(3, 1fr);gap:20px;padding:20px 24px}.stat-item{display:flex;align-items:center;gap:16px;padding:12px;background:var(--gray-50);border-radius:20px}.stat-icon{width:48px;height:48px;background:white;border-radius:16px;display:flex;align-items:center;justify-content:center;font-size:1.2rem;color:var(--primary-color)}.stat-info{text-align:left}.stat-value{display:block;font-size:1.5rem;font-weight:700;color:var(--gray-800)}.stat-label{font-size:0.7rem;color:var(--gray-500)}.qrcode-preview{margin-top:16px;text-align:center;padding:16px;background:white;border-radius:16px}.info-footer{margin-top:32px;background:var(--gray-50);border-radius:28px;padding:24px}.info-footer-header{display:flex;align-items:center;gap:10px;margin-bottom:20px;font-weight:600;color:var(--gray-700)}.info-footer-steps{display:grid;grid-template-columns:repeat(4, 1fr);gap:20px}.step-item{display:flex;gap:14px;align-items:flex-start}.step-number{width:36px;height:36px;background:var(--primary-color);color:white;border-radius:50%;display:flex;align-items:center;justify-content:center;font-weight:700;flex-shrink:0}.step-content h4{font-size:0.9rem;margin-bottom:4px}.step-content p{font-size:0.75rem;color:var(--gray-500)}@keyframes fadeIn{from{opacity:0;transform:translateY(10px)}to{opacity:1;transform:translateY(0)}}@media (max-width:900px){.shorturl-container{grid-template-columns:1fr}.input-group{flex-wrap:wrap;border-radius:30px;padding:12px}.generate-btn,.expand-btn{width:100%;justify-content:center}.input-icon{display:none}.stats-grid{grid-template-columns:1fr}.info-footer-steps{grid-template-columns:repeat(2, 1fr)}}@media (max-width:480px){.info-footer-steps{grid-template-columns:1fr}.batch-actions{flex-direction:column}}