:root{--lightningcss-light:initial;--lightningcss-dark: ;color-scheme:light;color:#172033;font-synthesis:none;text-rendering:optimizelegibility;-webkit-font-smoothing:antialiased;--blue:#1f5eff;--blue-dark:#1447c7;--ink:#172033;--muted:#667085;--line:#d9e0ec;--surface:#fff;--soft:#eef3ff;--danger:#c83232;--success:#168052;background:#f5f7fb;font-family:Inter,Microsoft YaHei,PingFang SC,Hiragino Sans GB,Arial,sans-serif}*{box-sizing:border-box}body{min-width:320px;min-height:100vh;margin:0}button,input,select{font:inherit}button,a{-webkit-tap-highlight-color:transparent}.app-shell{width:min(1180px,100% - 32px);margin:0 auto;padding:28px 0 36px}.topbar{justify-content:space-between;align-items:center;gap:20px;margin-bottom:22px;display:flex}.brand{letter-spacing:0;align-items:center;gap:10px;font-size:24px;font-weight:800;display:flex}.brand svg{width:30px;height:30px;color:var(--blue)}.topbar p{color:var(--muted);margin:6px 0 0;font-size:14px}.privacy-chip{color:#2f446f;white-space:nowrap;background:#fff;border:1px solid #cdd8f0;border-radius:999px;align-items:center;gap:8px;padding:10px 14px;font-size:14px;font-weight:700;display:inline-flex}.privacy-chip svg{width:18px;height:18px;color:var(--success)}.workspace{grid-template-columns:minmax(0,1fr) 360px;align-items:stretch;gap:18px;display:grid}.primary-panel,.settings-panel{background:var(--surface);border:1px solid var(--line);border-radius:8px;box-shadow:0 18px 40px #1f2c4714}.primary-panel{grid-template-rows:auto auto 1fr;gap:14px;min-height:690px;padding:18px;display:grid}.dropzone{cursor:pointer;background:linear-gradient(#eff4ffd1,#fffffff0),radial-gradient(circle at 20% 10%,#1f5eff14,#0000 30%);border:1.5px dashed #9eb4df;border-radius:8px;align-content:center;place-items:center;gap:10px;min-height:178px;transition:border-color .16s,background-color .16s,transform .16s;display:grid}.dropzone.is-dragging{border-color:var(--blue);background-color:#eef4ff;transform:translateY(-1px)}.dropzone input{opacity:0;pointer-events:none;width:1px;height:1px;position:absolute}.upload-icon{width:54px;height:54px;color:var(--blue);background:#fff;border:1px solid #d7e2fb;border-radius:8px;place-items:center;display:grid}.upload-icon svg{width:28px;height:28px}.dropzone strong{font-size:20px}.dropzone span:last-child{color:var(--muted);font-size:14px}.file-status{border:1px solid var(--line);border-radius:8px;align-items:center;gap:12px;min-height:76px;padding:12px;display:flex}.file-icon{background:var(--soft);width:46px;height:46px;color:var(--blue);border-radius:8px;flex:none;place-items:center;display:grid}.file-icon svg{width:24px;height:24px}.file-copy{flex:1;min-width:0}.file-copy span{white-space:nowrap;text-overflow:ellipsis;font-weight:750;display:block;overflow:hidden}.file-copy p{color:var(--muted);margin:4px 0 0;font-size:13px}.status-ok,.status-error{width:22px;height:22px}.status-ok{color:var(--success)}.status-error{color:var(--danger)}.preview-frame{border:1px solid var(--line);background:#f9fbff;border-radius:8px;min-height:390px;overflow:hidden}.preview-toolbar{border-bottom:1px solid var(--line);color:#42526e;justify-content:space-between;align-items:center;min-height:44px;padding:0 14px;font-size:13px;font-weight:750;display:flex}.preview-page{aspect-ratio:.72;background-color:#fff;border:1px solid #d6deec;border-radius:6px;width:min(82%,560px);margin:26px auto;position:relative;overflow:hidden;box-shadow:0 16px 30px #1720331a}.watermark-tiles{z-index:2;gap:var(--tile-gap);transform:rotate(var(--tile-rotation));transform-origin:50%;pointer-events:none;grid-template-columns:repeat(6,max-content);grid-auto-rows:max-content;place-content:start;display:grid;position:absolute;inset:-30%}.watermark-tiles span{text-align:center;white-space:nowrap;letter-spacing:0;min-width:116px}.preview-lines{z-index:1;grid-template-rows:repeat(5,1fr);gap:22px;display:grid;position:absolute;inset:34px 42px}.preview-lines span{background:#edf1f8;border-radius:999px;height:12px;display:block}.preview-lines span:nth-child(2){width:72%}.preview-lines span:nth-child(4){width:84%}.settings-panel{align-self:start;padding:20px;position:sticky;top:18px}.panel-heading{align-items:center;gap:10px;margin-bottom:18px;display:flex}.panel-heading svg{width:22px;height:22px;color:var(--blue)}.panel-heading h1{letter-spacing:0;margin:0;font-size:22px;line-height:1.2}.field{gap:8px;margin-bottom:16px;display:grid}.field>span{color:#33415e;font-size:13px;font-weight:800}.field input[type=text],.field input:not([type]),.field select{width:100%}.field input[type=text],.field input:not([type]),.field select,.field input[type=color]{background:#fff;border:1px solid #cfd8e8;border-radius:8px}.field input:not([type]),.field select{outline:none;min-height:44px;padding:0 12px}.field input:not([type]):focus,.field select:focus{border-color:var(--blue);box-shadow:0 0 0 3px #1f5eff21}.field select{color:var(--ink)}.format-row{grid-template-columns:1fr 1fr;gap:10px;display:grid}.format-button{color:#34425e;cursor:pointer;background:#fff;border:1px solid #cfd8e8;border-radius:8px;justify-content:center;align-items:center;gap:8px;min-height:42px;font-weight:800;display:inline-flex}.format-button svg{width:17px;height:17px}.format-button.is-active{border-color:var(--blue);color:var(--blue);background:#eef4ff}.range-row{grid-template-columns:minmax(0,1fr) 62px;align-items:center;gap:12px;display:grid}.range-row input[type=range]{width:100%;accent-color:var(--blue)}.range-row output{text-align:right;color:var(--ink);font-size:13px;font-weight:800}.color-field{grid-template-columns:1fr auto;align-items:center}.color-field input{cursor:pointer;width:48px;height:40px;padding:4px}.notice{color:#475775;background:#f2f6ff;border:1px solid #d9e4fb;border-radius:8px;gap:10px;margin:4px 0 16px;padding:12px;display:flex}.notice svg{width:18px;height:18px;color:var(--blue);flex:none}.notice p{margin:0;font-size:13px;line-height:1.5}.error-message{color:var(--danger);background:#fff4f4;border:1px solid #ffd2d2;border-radius:8px;margin-bottom:14px;padding:10px 12px;font-size:13px;line-height:1.45}.actions{grid-template-columns:112px minmax(0,1fr);gap:10px;display:grid}.primary-button,.secondary-button,.download-button{cursor:pointer;border:1px solid #0000;border-radius:8px;justify-content:center;align-items:center;gap:8px;min-height:46px;font-size:14px;font-weight:850;text-decoration:none;display:inline-flex}.primary-button{background:var(--blue);color:#fff;box-shadow:0 10px 20px #1f5eff38}.primary-button:hover:not(:disabled){background:var(--blue-dark)}.primary-button:disabled{cursor:not-allowed;opacity:.58;box-shadow:none}.secondary-button{color:#34425e;background:#fff;border-color:#cfd8e8}.download-button{color:#0f5138;overflow-wrap:anywhere;background:#eaf8f1;border-color:#bfe7d2;width:100%;margin-top:12px;padding:0 12px}.primary-button svg,.secondary-button svg,.download-button svg{flex:none;width:18px;height:18px}.spin{animation:1s linear infinite spin}@keyframes spin{to{transform:rotate(360deg)}}@media (width<=900px){.app-shell{width:min(100% - 20px,680px);padding-top:18px}.topbar,.workspace{grid-template-columns:1fr}.topbar{flex-direction:column;align-items:flex-start}.primary-panel{min-height:auto}.settings-panel{position:static}.preview-page{width:min(88%,430px)}}@media (width<=540px){.brand{font-size:21px}.privacy-chip{white-space:normal;justify-content:center;width:100%}.dropzone{min-height:154px}.dropzone strong{font-size:18px}.actions{grid-template-columns:1fr}.preview-lines{inset:28px}}