.app{display:flex;flex-direction:column;height:100vh;overflow:hidden;background:#fafaf7}.app-header{display:flex;align-items:center;justify-content:space-between;padding:12px 32px;background:#fafaf7eb;-webkit-backdrop-filter:blur(16px);backdrop-filter:blur(16px);border-bottom:1px solid #E2E0DA;flex-shrink:0}.header-brand{display:flex;align-items:center;gap:12px}.header-logo{width:28px;height:28px;flex-shrink:0}.header-name{font-family:Microsoft YaHei,微软雅黑,sans-serif;font-size:16px;font-weight:600;color:#1b3a2d;letter-spacing:.02em}.header-tabs{display:flex;gap:4px}.tab{background:transparent;border:none;color:#6b6b66;padding:8px 20px;border-radius:999px;cursor:pointer;font-size:14px;font-weight:500;font-family:inherit;transition:all .2s cubic-bezier(.2,0,0,1)}.tab.active{background:#1b3a2d14;color:#1b3a2d;font-weight:600}.tab:hover:not(.active){color:#2e5e4e;background:#1b3a2d0a}.app-body{flex:1;overflow:auto;padding:24px 32px}.single-layout{display:grid;grid-template-columns:360px 1fr;gap:24px;height:100%}.left-col{display:flex;flex-direction:column;gap:16px}.right-col{display:flex;flex-direction:column;gap:16px;overflow:hidden}.dropzone{border:2px dashed #E2E0DA;border-radius:20px;padding:40px 20px;text-align:center;cursor:pointer;transition:all .2s cubic-bezier(.2,0,0,1);background:#fff}.dropzone.dragging{border-color:#2e5e4e;background:#2e5e4e0a}.dropzone.has-file{border-style:solid;border-color:#2e5e4e;background:#2e5e4e0a}.dz-icon-big{font-size:40px;display:block;margin-bottom:8px}.dz-placeholder p{margin:4px 0;color:#6b6b66;font-size:14px}.dz-sub{font-size:12px!important;color:#9b9b96!important}.dz-file-info{display:flex;align-items:center;gap:10px;justify-content:center}.dz-icon{font-size:24px}.dz-name{font-size:14px;font-weight:500;word-break:break-all;color:#1a1a18}.dz-hint{font-size:11px;color:#9b9b96}.format-row{display:flex;align-items:center;gap:12px;flex-wrap:wrap}.format-label{font-size:13px;color:#6b6b66;font-weight:600}.format-options{display:flex;gap:4px}.fmt-btn{background:#fff;border:1px solid #E2E0DA;color:#6b6b66;padding:8px 16px;border-radius:999px;cursor:pointer;font-size:13px;font-weight:600;font-family:inherit;transition:all .2s cubic-bezier(.2,0,0,1)}.fmt-btn.active{background:#1b3a2d;color:#fff;border-color:#1b3a2d}.fmt-btn:hover:not(.active){border-color:#2e5e4e;color:#2e5e4e}.fmt-btn.unavailable,.export-btn.unavailable{opacity:.45;cursor:not-allowed;border-style:dashed}.fmt-btn.unavailable:hover:not(.active),.export-btn.unavailable:hover{border-color:#e2e0da;color:#6b6b66;background:#fff}.process-btn{background:#1b3a2d;color:#fff;border:none;padding:0 28px;height:44px;border-radius:999px;font-size:15px;font-weight:600;font-family:inherit;cursor:pointer;transition:all .2s cubic-bezier(.2,0,0,1)}.process-btn:hover:not(:disabled){background:#2e5e4e}.process-btn:disabled{opacity:.4;cursor:not-allowed}.batch-process-btn{align-self:flex-start}.preview-empty{flex:1;display:flex;align-items:center;justify-content:center;color:#9b9b96;border:2px dashed #E2E0DA;border-radius:20px;background:#fff;font-size:14px}.preview-panel{display:grid;grid-template-columns:1fr 1fr;gap:16px;flex:1;min-height:0}.preview-box{display:flex;flex-direction:column;min-height:0}.preview-label{font-size:12px;font-weight:600;text-transform:uppercase;letter-spacing:.08em;color:#6b6b66;margin-bottom:8px;text-align:center}.preview-img-wrap{flex:1;background:#f4f3ef;border:1px solid #E2E0DA;border-radius:16px;display:flex;align-items:center;justify-content:center;overflow:hidden;min-height:200px}.preview-img-wrap img{max-width:100%;max-height:100%;object-fit:contain}.svg-preview{max-width:100%;max-height:100%}.svg-preview svg{max-width:100%;max-height:100%}.preview-loading{text-align:center;color:#6b6b66}.spinner{width:36px;height:36px;border:3px solid #E2E0DA;border-top-color:#2e5e4e;border-radius:50%;animation:spin .8s linear infinite;margin:0 auto 12px}@keyframes spin{to{transform:rotate(360deg)}}.preview-waiting{color:#9b9b96;font-size:14px}.preview-stats{grid-column:1 / -1;display:flex;gap:24px;justify-content:center;font-size:13px;color:#6b6b66;padding:10px 0;border-top:1px solid #E2E0DA}.preview-error{grid-column:1 / -1;text-align:center;color:#b5302a;background:#b5302a14;border:1px solid rgba(181,48,42,.2);border-radius:8px;padding:10px;font-size:13px}.export-panel{display:flex;align-items:center;gap:10px;padding:10px 0}.export-label{font-size:13px;color:#6b6b66;font-weight:600}.export-btn{background:#fff;border:1.5px solid #1B3A2D;color:#1b3a2d;padding:0 24px;height:40px;border-radius:999px;cursor:pointer;font-size:13px;font-weight:600;font-family:inherit;transition:all .2s cubic-bezier(.2,0,0,1)}.export-btn:hover{background:#1b3a2d;color:#fff}.batch-panel{display:flex;flex-direction:column;gap:16px;height:100%}.batch-dropzone{border:2px dashed #E2E0DA;border-radius:16px;padding:24px;text-align:center;cursor:pointer;color:#6b6b66;font-size:14px;background:#fff;transition:all .2s cubic-bezier(.2,0,0,1)}.batch-dropzone:hover{border-color:#2e5e4e;background:#2e5e4e0a}.batch-progress{display:flex;align-items:center;gap:12px}.progress-bar{flex:1;height:6px;background:#f4f3ef;border-radius:999px;overflow:hidden}.progress-fill{height:100%;background:#2e5e4e;border-radius:999px;transition:width .3s cubic-bezier(.2,0,0,1)}.progress-text{font-size:13px;color:#6b6b66;min-width:60px}.batch-summary{font-size:13px;color:#6b6b66;padding:4px 0}.batch-list{flex:1;overflow:auto;background:#fff;border-radius:12px;border:1px solid #E2E0DA}.batch-row{display:flex;align-items:center;gap:10px;padding:10px 16px;border-bottom:1px solid #F4F3EF;font-size:13px}.batch-row:last-child{border-bottom:none}.batch-row.done{color:#6b6b66}.batch-row.failed{color:#b5302a}.batch-row.processing{color:#2e5e4e}.batch-status{font-size:14px;min-width:24px}.batch-filename{flex:1;word-break:break-all;color:#1a1a18}.batch-error{font-size:11px;color:#b5302a}