.max-w-4xl{max-width:90%;margin:80px auto;padding:20px}.bg-white{background-color:white}.shadow-lg{box-shadow:0 10px 15px rgba(0,0,0,0.1)}.rounded-lg{border-radius:.5rem}.p-6{padding:1.5rem}h1{font-size:38px;margin-bottom:18px;color:#0d47a1;font-family:"Noto Sans",sans-serif;text-align:center;font-weight:bold}.border{border:1px solid #ccc}.rounded{border-radius:.375rem}.p-2{padding:.5rem}.w-full{width:100%}.mt-2{margin-top:.5rem}.mt-4{margin-top:1rem}.px-4{padding-left:1rem;padding-right:1rem}.px-6{padding-left:1.5rem;padding-right:1.5rem}.py-2{padding-top:.5rem;padding-bottom:.5rem}.bg-green-500{background-color:#22c55e}.bg-blue-600{background-color:#2563eb}.text-white{color:#fff}.text-center{text-align:center}button:hover{filter:brightness(90%);transition:.2s ease-in-out}.upload-area{border:2px dashed #0d47a1;border-radius:8px;padding:40px 20px;text-align:center;cursor:pointer;transition:all .3s;background-color:#f8f9fa}.upload-area:hover{background-color:#e3f2fd}.upload-area i{font-size:48px;color:#0d47a1;margin-bottom:15px}.upload-area p{margin:10px 0;color:#555}.processing-options{display:none;margin:30px 0;padding:20px;background-color:#f8f9fa;border-radius:8px}.option-group{margin-bottom:20px}.option-group h3{margin-bottom:10px;color:#0d47a1}.option-row{display:flex;flex-wrap:wrap;gap:15px;margin-bottom:15px}.option-item{flex:1;min-width:200px}.option-item label{display:block;margin-bottom:5px;font-weight:bold}.option-item input,.option-item select{width:100%;padding:8px;border:1px solid #ddd;border-radius:4px}.quality-slider{width:100%;margin:10px 0}.preview-container{display:none;margin-top:30px}.image-grid{display:grid;grid-template-columns:repeat(auto-fill,minmax(150px,1fr));gap:15px;margin-top:20px}.image-item{border:1px solid #ddd;border-radius:8px;overflow:hidden;position:relative}.image-thumb{height:120px;overflow:hidden;display:flex;align-items:center;justify-content:center;background-color:#f8f9fa}.image-thumb img{max-width:100%;max-height:100%;object-fit:contain}.image-info{padding:10px;font-size:12px;background-color:white}.image-info div{display:flex;justify-content:space-between;margin-bottom:3px}.process-btn{display:block;width:100%;padding:15px;background-color:#2563eb;color:white;border:0;border-radius:8px;font-size:18px;cursor:pointer;margin-top:30px;transition:all .3s}.process-btn:hover{background-color:#1d4ed8}.process-btn:disabled{background-color:#ccc;cursor:not-allowed}.download-section{display:none;text-align:center;margin-top:30px;padding:20px;background-color:#e6f7ee;border-radius:8px}.stats-card{display:inline-block;margin:0 15px 20px;padding:15px;background-color:white;border-radius:8px;box-shadow:0 2px 4px rgba(0,0,0,0.1);min-width:180px}.stats-value{font-size:24px;font-weight:bold;color:#0d47a1}.download-zip-btn{display:inline-block;padding:15px 30px;background-color:#22c55e;color:white;border:0;border-radius:8px;font-size:18px;cursor:pointer;transition:all .3s}.download-zip-btn:hover{background-color:#16a34a}.progress-bar{height:6px;background-color:#e9ecef;border-radius:3px;margin:15px 0;overflow:hidden}.progress-fill{height:100%;background-color:#0d47a1;width:0;transition:width .3s}.how-to-section-wrapper{max-width:1200px;margin:40px auto;padding:0 20px}.how-to-section-wrapper h2{font-family:'Space Grotesk',sans-serif;text-align:center;font-size:2.2rem;color:#333;line-height:1.6;margin-bottom:40px}.steps-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:30px}.step-card{background-color:#fff;padding:30px;border-radius:12px;border:1px solid #e9ecef;text-align:left;box-shadow:0 5px 15px rgba(0,0,0,0.05)}.step-card .step-number{font-size:1.5rem;font-weight:700;color:#fff;background-color:#0d47a1;width:45px;height:45px;border-radius:50%;display:flex;align-items:center;justify-content:center;margin-bottom:20px}.step-card h3{font-family:'Space Grotesk',sans-serif;font-size:1.3rem;margin-bottom:10px;color:#222;line-height:1.6}.step-card p{color:#666;line-height:1.6;font-size:1rem;margin:0}@media(max-width:768px){.steps-grid{grid-template-columns:1fr}.option-row{flex-direction:column}}.content-wrapper{max-width:1200px;margin:40px auto;padding:0 20px;font-family:'Segoe UI',Tahoma,Geneva,Verdana,sans-serif;line-height:1.7;color:#333}.content-wrapper h2{font-size:2rem;margin:30px 0 15px;color:#0d47a1;font-weight:700;text-align:left}.content-wrapper h3{font-size:1.3rem;margin:20px 0 10px;font-weight:600;color:#222}.content-wrapper p{margin-bottom:18px;font-size:1rem;color:#555}.content-wrapper ul{margin:15px 0 25px 25px}.content-wrapper li{margin-bottom:12px;font-size:1rem;color:#444}.content-wrapper a{color:#0d47a1;text-decoration:none}.content-wrapper a:hover{text-decoration:underline}.feature-grid{display:grid;grid-template-columns:repeat(2,1fr);gap:20px;margin:30px 0}.feature-item{display:flex;align-items:flex-start;gap:15px}.feature-icon{color:#0d47a1;font-size:24px;min-width:30px}