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canvas[data-v-4e9a1300]{position:absolute;top:0;right:0;bottom:0;left:0;display:block;touch-action:none}.hint[data-v-4e9a1300]{position:absolute;top:0;right:0;bottom:0;left:0;display:flex;flex-direction:column;align-items:center;justify-content:center;gap:6px;color:#b3bac5;font-size:14px;pointer-events:none;background-image:repeating-linear-gradient(0deg,transparent 0 39px,#eef1f5 39px 40px)}.hint .brush[data-v-4e9a1300]{font-size:30px;opacity:.6}.hint .sub[data-v-4e9a1300]{font-size:12px;color:#c6ccd6}.foot[data-v-4e9a1300]{flex:0 0 auto;display:flex;gap:8px;padding:10px 12px calc(10px + env(safe-area-inset-bottom));border-top:1px solid #eceef2;background:#fff}.foot button[data-v-4e9a1300]{flex:1 1 0;height:44px;border-radius:10px;border:1px solid #e6e8ec;background:#fafbfc;font-size:15px;font-family:inherit;color:#374151}.foot button[data-v-4e9a1300]:disabled{opacity:.45}.toast[data-v-4e9a1300]{position:absolute;left:50%;bottom:90px;transform:translate(-50%);background:#181c22eb;color:#fff;font-size:13px;padding:8px 14px;border-radius:8px;opacity:0;pointer-events:none;transition:.18s;white-space:nowrap}.toast.on[data-v-4e9a1300]{opacity:1}:root{--bg:#f2f4f7;--card:#fff;--line:#e6e8ec;--txt:#1b1f24;--sub:#6b7280;--brand:#1f6feb;--brand-d:#1558c0;--err:#d93025;--r:14px;--shadow:0 1px 2px rgba(16,24,40,.04),0 8px 24px rgba(16,24,40,.06)}*{box-sizing:border-box;-webkit-tap-highlight-color:transparent}html,body{margin:0;padding:0;background:var(--bg);color:var(--txt);font-family:-apple-system,BlinkMacSystemFont,PingFang SC,Hiragino Sans GB,Microsoft YaHei,system-ui,sans-serif;-webkit-text-size-adjust:100%}#app{max-width:720px;margin:0 auto;padding:14px 14px 0}.card{background:var(--card);border-radius:var(--r);box-shadow:var(--shadow);padding:14px 14px 6px;margin-bottom:12px}.card h2{margin:0 0 10px;font-size:14px;color:var(--sub);font-weight:600;letter-spacing:.5px}.row{display:flex;align-items:center;min-height:52px;border-bottom:1px solid var(--line);gap:10px}.row:last-child{border-bottom:0}.row>label{flex:0 0 100px;font-size:15px;color:#374151}.row input,.row select{flex:1 1 auto;min-width:0;border:0;outline:0;background:transparent;font-size:16px;color:var(--txt);padding:10px 0;font-family:inherit}.row input::placeholder{color:#c3c7cf}.seg{display:flex;gap:8px;flex:1 1 auto}.seg button{flex:1 1 0;height:38px;border:1px solid var(--line);background:#fafbfc;border-radius:10px;font-size:15px;color:#4b5563;font-family:inherit;cursor:pointer}.seg button.on{background:#1f6feb1a;border-color:#1f6feb73;color:var(--brand-d);font-weight:600}.hint{font-size:12px;color:var(--sub);margin:8px 0 6px;line-height:1.6}.sigbox{position:relative;border:1px dashed #c8cdd6;border-radius:12px;background:#fcfcfd;overflow:hidden}.sigbar{display:flex;gap:8px;margin:8px 0 10px}.sigbar button{flex:1 1 0;height:38px;border-radius:10px;border:1px solid var(--line);background:#fafbfc;font-size:14px;color:#4b5563;font-family:inherit}.actions{position:fixed;left:0;right:0;bottom:0;z-index:20;padding:10px 14px calc(10px + env(safe-area-inset-bottom));background:#f2f4f7f0;-webkit-backdrop-filter:blur(8px);backdrop-filter:blur(8px);border-top:1px solid var(--line)}.actions .inner{max-width:720px;margin:0 auto;display:flex;gap:10px}.btn{flex:1 1 0;height:50px;border:0;border-radius:12px;font-size:16px;font-weight:600;font-family:inherit;background:var(--brand);color:#fff;cursor:pointer}.btn:active{background:var(--brand-d)}.btn.ghost{background:#fff;color:#374151;border:1px solid var(--line)}.btn[disabled]{opacity:.55}.toast{position:fixed;left:50%;top:18%;transform:translate(-50%,-8px);z-index:50;max-width:86vw;background:#181c22eb;color:#fff;font-size:14px;line-height:1.5;padding:10px 14px;border-radius:10px;opacity:0;pointer-events:none;transition:.18s;text-align:center}.toast.on{opacity:1;transform:translate(-50%)}.busy{position:fixed;top:0;right:0;bottom:0;left:0;background:#ffffffd6;display:flex;align-items:center;justify-content:center;flex-direction:column;gap:12px;z-index:60;color:#374151;font-size:15px}.spin{width:34px;height:34px;border:3px solid #dfe3e9;border-top-color:var(--brand);border-radius:50%;animation:sp .8s linear infinite}@keyframes sp{to{transform:rotate(360deg)}}.preview{background:#fff;border-radius:var(--r);box-shadow:var(--shadow);overflow:hidden;margin-bottom:12px}.preview img{display:block;width:100%;height:auto}.meta{padding:12px 14px;font-size:13px;color:var(--sub);line-height:1.7}.meta b{color:var(--txt);font-weight:600}header{padding:18px 4px 10px}header h1{margin:0 0 6px;font-size:20px;letter-spacing:.5px}header p{margin:0;color:var(--sub);font-size:13px;line-height:1.6}footer{padding:6px 6px 20px;color:#9aa1ac;font-size:12px;line-height:1.7;text-align:center}.sigbtn{width:100%;display:flex;align-items:center;justify-content:space-between;gap:10px;min-height:54px;padding:12px 4px;border:0;border-bottom:1px solid var(--line);background:transparent;font-family:inherit;font-size:15px;color:var(--txt);text-align:left;cursor:pointer}.sigbtn .lbl{display:flex;align-items:center;gap:8px;font-size:15px}.sigbtn .lbl em{font-style:normal;font-size:11px;color:#b45309;background:#fef3c7;border-radius:4px;padding:1px 6px}.sigbtn .lbl em.opt{color:#6b7280;background:#f1f3f6}.sigbtn .val{font-size:13px;color:var(--brand-d);white-space:nowrap}.sigbtn.signed .val{color:#0f9d58}.sigprev{margin:8px 0 12px;padding:8px;border:1px solid var(--line);border-radius:10px;background:#fcfcfd}.sigprev img{display:block;max-width:100%;max-height:70px;margin:0 auto;object-fit:contain}.fixedval{flex:1 1 auto;font-size:16px;color:#4b5563;padding:10px 0}