:root{--bg: #fafafa;--panel: #ffffff;--text-primary: #18181b;--text-secondary: #71717a;--text-muted: #a1a1aa;--border: #e4e4e7;--border-focus: #18181b;--primary: #18181b;--primary-hover: #27272a;--danger: #ef4444;--success: #16a34a;--radius-sm: 6px;--radius-md: 10px;--radius-lg: 14px}*{box-sizing:border-box;margin:0;padding:0;-webkit-tap-highlight-color:transparent}body{background-color:var(--bg);color:var(--text-primary);font-family:-apple-system,BlinkMacSystemFont,Segoe UI,Roboto,PingFang SC,Hiragino Sans GB,Microsoft YaHei,sans-serif;line-height:1.5;min-height:100vh}.page-wrapper{min-height:100vh;display:flex;flex-direction:column}.notice-bar{background:#fefce8;border-bottom:1px solid #fef08a;color:#854d0e;padding:10px 16px;font-size:13px}.notice-content{max-width:480px;margin:0 auto;display:flex;align-items:center;gap:8px}.icon-notice{width:16px;height:16px;flex-shrink:0}.content{width:100%;max-width:480px;margin:0 auto;padding:32px 18px 48px}.page-header{margin-bottom:24px}.header-meta{display:flex;align-items:center;justify-content:space-between}.header-meta h1{font-size:20px;font-weight:600;letter-spacing:-.02em;color:var(--text-primary)}.btn-icon{background:none;border:1px solid transparent;color:var(--text-muted);padding:6px;border-radius:var(--radius-sm);cursor:pointer;display:flex;align-items:center;justify-content:center;transition:all .15s ease}.btn-icon:hover{color:var(--text-primary);background:#f4f4f5}.subtitle{font-size:13px;color:var(--text-secondary);margin-top:4px;line-height:1.6}.config-panel{background:#f4f4f5;border:1px solid var(--border);border-radius:var(--radius-md);padding:12px 14px;margin-bottom:16px}.config-label{display:block;font-size:11px;font-weight:500;color:var(--text-secondary);text-transform:uppercase;letter-spacing:.04em;margin-bottom:6px}.panel{background:var(--panel);border:1px solid var(--border);border-radius:var(--radius-lg);padding:20px;box-shadow:0 1px 3px #0000000a}.picker-zone{display:flex;flex-direction:column;gap:16px}.picker-buttons{display:flex;flex-direction:column;gap:10px}.btn{display:inline-flex;align-items:center;justify-content:center;gap:8px;height:44px;padding:0 16px;font-size:14px;font-weight:500;border-radius:var(--radius-md);border:1px solid transparent;cursor:pointer;transition:all .15s ease;-webkit-user-select:none;user-select:none}.btn-dark{background:var(--primary);color:#fff}.btn-dark:hover{background:var(--primary-hover)}.btn-dark:active{transform:scale(.99)}.btn-outline{background:#fff;border-color:var(--border);color:var(--text-primary)}.btn-outline:hover{background:#f4f4f5}.btn-subtle{background:#f4f4f5;color:var(--text-secondary)}.btn-subtle:hover{background:#e4e4e7;color:var(--text-primary)}.btn-full{width:100%}.helper-note{display:flex;align-items:flex-start;gap:8px;font-size:12px;line-height:1.5;color:var(--text-secondary);background:#fafafa;border:1px solid #f4f4f5;padding:10px 12px;border-radius:var(--radius-sm)}.helper-tag{background:#e4e4e7;color:#3f3f46;font-size:10px;font-weight:600;padding:1px 5px;border-radius:4px;flex-shrink:0;margin-top:1px}.file-section{display:flex;flex-direction:column;gap:14px}.file-card{display:flex;align-items:center;gap:12px;padding:12px;background:#fafafa;border:1px solid var(--border);border-radius:var(--radius-md)}.file-preview-wrap{width:52px;height:52px;border-radius:var(--radius-sm);background:#e4e4e7;overflow:hidden;flex-shrink:0;display:flex;align-items:center;justify-content:center}.file-preview-img{width:100%;height:100%;object-fit:cover}.file-preview-fallback{width:100%;height:100%;display:flex;align-items:center;justify-content:center}.file-ext-tag{font-size:11px;font-weight:700;color:var(--text-secondary);letter-spacing:.05em}.file-info{flex:1;min-width:0}.file-name{font-size:13px;font-weight:500;color:var(--text-primary);white-space:nowrap;overflow:hidden;text-overflow:ellipsis}.file-specs{display:flex;align-items:center;gap:8px;margin-top:4px}.spec-badge{font-size:12px;font-weight:600;color:var(--text-primary)}.spec-type{font-size:11px;color:var(--text-muted)}.btn-remove{background:none;border:none;color:var(--text-muted);cursor:pointer;padding:6px;border-radius:var(--radius-sm);display:flex;align-items:center;justify-content:center}.btn-remove:hover{color:var(--danger);background:#fee2e2}.field-group{width:100%}.field-input{width:100%;height:40px;padding:0 12px;font-size:13px;color:var(--text-primary);background:#fff;border:1px solid var(--border);border-radius:var(--radius-md);outline:none;transition:border-color .15s ease}.field-input:focus{border-color:var(--border-focus)}.field-input::placeholder{color:var(--text-muted)}.progress-box{display:flex;flex-direction:column;gap:6px}.progress-track{width:100%;height:4px;background:#e4e4e7;border-radius:99px;overflow:hidden}.progress-thumb{height:100%;background:var(--primary);border-radius:99px;transition:width .2s linear}.progress-label{display:flex;justify-content:space-between;font-size:11px;color:var(--text-secondary)}.status-alert{display:flex;align-items:flex-start;gap:10px;padding:12px 14px;border-radius:var(--radius-md);font-size:13px;line-height:1.5}.alert-danger{background:#fef2f2;border:1px solid #fee2e2;color:#991b1b}.alert-ok{background:#f0fdf4;border:1px solid #dcfce7;color:#166534}.alert-body{flex:1;display:flex;flex-direction:column;gap:4px}.result-code{font-family:monospace;font-size:11px;color:#15803d;background:#dcfce7;padding:2px 6px;border-radius:4px;word-break:break-all}.action-row{margin-top:4px}.page-footer{margin-top:32px;text-align:center;font-size:12px;color:var(--text-muted)}