body{background-color:#f5f5f5;margin:0;padding:0;font-family:Arial,Helvetica,sans-serif}::-webkit-scrollbar{display:none}.tagline{text-align:center;margin-bottom:20px}.tagline h1,.tagline h3{color:#1a56db;margin-bottom:6px;font-size:2.2rem;font-weight:800}.tagline p{color:#555;font-size:1.1rem;font-weight:600}.merger-container{flex-direction:column;align-items:center;margin-top:6.5rem;padding:0 16px;display:flex}.file-upload{background:#fff;border:2px dashed #aaa;border-radius:10px;flex-direction:column;justify-content:center;align-items:center;width:100%;max-width:32rem;height:15rem;margin:auto;transition:border-color .3s,background .3s;display:flex}.file-upload:hover{background:#f9f9f9;border-color:#1a56db}.file-input{display:none}.custom-text{color:#fff;cursor:pointer;background-color:#e5322d;border-radius:8px;padding:12px 28px;font-size:1rem;font-weight:700;transition:background .3s}.custom-text:hover{background-color:#b90000}.file-upload span{color:#666;margin-top:12px;font-size:.95rem}.message{color:#e5322d;text-align:center;margin-top:14px;font-size:14px;font-weight:600}.file-list{background:#fff;border-radius:10px;max-width:820px;margin:25px auto;padding:18px 22px;box-shadow:0 4px 15px #0000000d}.file-header{justify-content:center;align-items:center;margin-bottom:20px;display:flex;position:relative}.file-header h4{margin:0;font-size:1.35rem;font-weight:700}.add-more{color:#e5322d;cursor:pointer;font-weight:700;position:absolute;right:0}.file-item{border-bottom:1px solid #eee;align-items:center;gap:18px;padding:16px 0;transition:background .3s;display:flex}.file-item:last-child{border-bottom:none}.file-item:hover{background:#f9f9f9}.file-index{text-align:center;width:30px;font-weight:700}.file-name{text-overflow:ellipsis;white-space:nowrap;flex:1;max-width:320px;overflow:hidden}.file-actions{gap:8px;margin-left:auto;display:flex}.file-actions button{cursor:pointer;background:#f7f7f7;border:1px solid #ddd;border-radius:6px;padding:7px 12px;transition:background .3s,transform .2s}.file-actions button:hover{background:#eee;transform:scale(1.05)}.remove-btn{color:#e5322d;cursor:pointer;background:0 0;border:none;font-size:1rem;transition:transform .2s}.remove-btn:hover{transform:scale(1.1)}.merge-btn,.download-all{color:#fff;cursor:pointer;border:none;border-radius:7px;margin:25px auto;padding:12px 34px;font-size:16px;font-weight:600;transition:background .3s,transform .2s;display:block}.merge-btn{background-color:#e5322d}.merge-btn:hover{background-color:#b90000;transform:scale(1.03)}.merge-btn:disabled{cursor:not-allowed;background-color:#ccc}.download-all{background-color:#0f9d58}.download-all:hover{background-color:#0b7f46;transform:scale(1.03)}.center{flex-direction:column;justify-content:center;align-items:center;max-width:900px;margin:0 auto;padding:0 16px;display:flex}.content{background:#fff;border-radius:12px;max-width:900px;margin:3rem auto;padding:20px;box-shadow:0 4px 15px #0000000d}.content h2{color:#232425;margin-top:1.5rem;margin-bottom:1rem;font-size:1.8rem;font-weight:700}.content p{color:#555;margin-bottom:1rem;font-size:1rem;line-height:1.7}.content ul{margin-bottom:1rem;padding-left:1.5rem;list-style-type:disc}.content ul li{margin-bottom:.5rem}.content ol{margin-left:2rem}.faq-section{background:#fff;border-radius:12px;max-width:900px;margin:4rem auto;padding:30px 20px;box-shadow:0 4px 15px #0000000d}.faq-section h2{text-align:center;color:#343434;margin-bottom:30px;font-size:2rem;font-weight:800}.faq-item{border-bottom:1px solid #eee;padding:16px 0}.faq-item:last-child{border-bottom:none}.faq-question{text-align:left;color:#021132;cursor:pointer;background:0 0;border:none;justify-content:space-between;align-items:center;width:100%;font-size:1.05rem;font-weight:700;transition:color .3s;display:flex}.faq-question:hover{color:#e5322d}.faq-icon{font-size:1.4rem;transition:transform .3s}.faq-answer{max-height:0;transition:max-height .35s;overflow:hidden}.faq-answer p{color:#555;margin-top:12px;font-size:.95rem;line-height:1.6}.faq-item.active .faq-answer{max-height:300px}.faq-item.active .faq-icon{transform:rotate(45deg)}@media (max-width:768px){.file-list{max-width:95%}}@media (max-width:480px){.file-item{text-align:center;flex-wrap:wrap;justify-content:center}.file-actions{justify-content:center;margin-left:0}.merge-btn,.download-all{width:95%}.faq-section h2{font-size:1.6rem}}.adsense{text-align:center;width:100%;margin:20px 0}