:root{--primary-color:#409eff;--success-color:#67c23a;--warning-color:#e6a23c;--danger-color:#f56c6c;--bg-color:#f5f7fa;--text-color:#303133;--header-gradient:linear-gradient(135deg, #667eea 0%, #764ba2 100%)}body{background-color:var(--bg-color);color:var(--text-color);margin:0;padding:0;font-family:Inter,Noto Sans SC,-apple-system,BlinkMacSystemFont,Segoe UI,Roboto,Helvetica Neue,Arial,sans-serif;line-height:1.6}[v-cloak]{display:none}.container{flex-direction:column;max-width:1200px;min-height:100vh;margin:0 auto;padding:40px 20px;display:flex}.header{text-align:center;margin-bottom:40px}.top-nav{border-bottom:1px solid rgba(0,0,0,.05);justify-content:space-between;align-items:center;gap:20px;margin-bottom:20px;padding-bottom:10px;display:flex}.nav-link,.footer-link{color:var(--primary-color);flex-shrink:0;font-weight:600;text-decoration:none}.nav-link{font-size:1rem}.lang-nav{white-space:nowrap;-webkit-overflow-scrolling:touch;gap:15px;padding:5px 0;display:flex;overflow-x:auto}.lang-nav::-webkit-scrollbar{height:3px}.lang-nav::-webkit-scrollbar-thumb{background:#e0e0e0;border-radius:3px}.lang-link{color:#606266;font-size:.85rem;text-decoration:none;transition:color .3s}.lang-link:hover{color:var(--primary-color)}.nav-link:hover,.footer-link:hover{text-decoration:underline}.footer-langs{margin-top:15px;line-height:2}.title-wrapper{justify-content:center;align-items:center;gap:15px;margin-bottom:10px;display:flex}.title-emoji{font-size:2.5rem}.title{background:var(--header-gradient);-webkit-text-fill-color:transparent;-webkit-background-clip:text;margin:0;font-size:2.5rem;font-weight:700;display:inline-block}.subtitle{color:#606266;font-size:1.1rem}.main-content{flex:1}.import-wrapper{background:#fff;border:2px dashed #dcdfe6;border-radius:12px;margin-bottom:30px;transition:border-color .3s;overflow:hidden;box-shadow:0 4px 20px rgba(0,0,0,.05)}.import-wrapper:hover{border-color:var(--primary-color)}.import-box{text-align:center;cursor:pointer;padding:50px 40px;transition:all .3s}.import-box:hover{background-color:#f0f9ff}.import-icon{color:#909399;margin-bottom:15px;font-size:56px}.import-text{color:#303133;margin-bottom:8px;font-size:1.3rem;font-weight:600}.import-tip{color:#67c23a;font-size:.95rem;font-weight:500}.result-section{margin-top:40px;animation:.5s ease-out fadeIn}@keyframes fadeIn{0%{opacity:0;transform:translateY(10px)}to{opacity:1;transform:translateY(0)}}.result-header{justify-content:space-between;align-items:center;margin-bottom:20px;display:flex}.section-title{color:#303133;margin:0;font-size:1.5rem;font-weight:600}.header-actions{gap:12px;display:flex}.action-btn{border:none!important;border-radius:8px!important;padding:10px 24px!important;font-weight:600!important;transition:all .3s cubic-bezier(.175,.885,.32,1.275)!important}.batch-download-btn{color:#fff!important;background:linear-gradient(135deg,#67c23a 0%,#4caf50 100%)!important;box-shadow:0 4px 12px rgba(103,194,58,.3)!important}.clear-btn{color:#909399!important;background:#fff!important;border:1px solid #dcdfe6!important}.action-btn:hover{opacity:.95;transform:scale(1.05)}.result-list{flex-direction:column;gap:20px;display:flex}.result-item{background:#fff;border-radius:12px;transition:transform .2s;overflow:hidden;box-shadow:0 4px 15px rgba(0,0,0,.05)}.result-item-header{background:#fafafa;border-bottom:1px solid #ebeef5;justify-content:space-between;align-items:center;padding:15px 20px;display:flex}.file-info{align-items:center;gap:15px;display:flex}.filename{color:#303133;font-weight:600}.encoding-tag{color:#67c23a;background:#e1f3d8;border-radius:4px;padding:2px 8px;font-size:12px}.result-item-content{height:300px;display:flex}.content-preview{resize:none;color:#606266;background:#fff;border:none;flex:1;padding:15px;font-family:Consolas,Monaco,monospace;font-size:14px;line-height:1.5}.item-sidebar{background:#f9f9f9;border-left:1px solid #ebeef5;flex-direction:column;gap:15px;width:160px;padding:20px;display:flex}.sidebar-tip{color:#909399;text-align:center;font-size:12px}.info-sections{flex-direction:column;gap:20px;margin-top:40px;display:flex}.info-block{background:#fff;border-radius:12px;padding:25px;box-shadow:0 4px 15px rgba(0,0,0,.05)}.info-title{color:var(--text-color);border-left:4px solid var(--primary-color);margin-bottom:15px;padding-left:12px;font-size:1.25rem;font-weight:700}.info-content{color:#606266;line-height:1.8}.encoding-grid{grid-template-columns:repeat(auto-fill,minmax(200px,1fr));gap:10px;margin-top:15px;display:grid}.encoding-grid span{color:var(--primary-color);text-align:center;background:#f0f2f5;border-radius:4px;padding:6px 12px;font-size:.85rem}.feature-list{margin:0;padding-left:20px}.feature-list li{margin-bottom:10px}.feature-list b{color:#303133}.footer{text-align:center;color:#909399;border-top:1px solid #ebeef5;margin-top:60px;padding:20px 0}@media (max-width:768px){.result-item-content{flex-direction:column;height:auto}.content-preview{border-bottom:1px solid #ebeef5;height:200px}.item-sidebar{box-sizing:border-box;border-left:none;flex-direction:row;justify-content:center;width:100%}}