:root{--bg:#f2efe8;--ink:#1f1b16;--muted:#71695f;--line:#d8d0c2;--paper:#fffaf0;--paper-strong:#f9efd9;--accent:#a72d22;--accent-2:#0f6b4f;--shadow:rgba(67,47,26,0.16)}*{box-sizing:border-box}body,html{margin:0;min-height:100%;background:var(--bg);color:var(--ink)}body{font-family:Songti SC,"Noto Serif SC","Source Han Serif SC",Georgia,serif}button,input{font:inherit}a{color:inherit}.app-shell{min-height:100vh;background:linear-gradient(90deg,rgba(31,27,22,.045) 1px,transparent 1px),linear-gradient(180deg,rgba(31,27,22,.035) 1px,transparent 1px),var(--bg);background-size:34px 34px}.wrap{width:min(1080px,calc(100% - 32px));margin:0 auto}.topbar{justify-content:space-between;gap:18px;padding:22px 0}.brand,.topbar{display:flex;align-items:center}.brand{gap:10px;font-weight:800;letter-spacing:0}.brand-mark{width:34px;height:34px;display:grid;place-items:center;background:var(--ink);color:var(--paper);border:1px solid var(--ink)}.status-pill{border:1px solid var(--line);background:rgba(255,250,240,.78);padding:8px 12px;color:var(--muted);font-size:14px}.workspace{display:grid;grid-template-columns:minmax(0,.85fr) minmax(360px,1.15fr);grid-gap:24px;gap:24px;align-items:start;padding:24px 0 54px}.success-panel,.tool-panel,.upload-panel{background:rgba(255,250,240,.94);border:1px solid var(--line);box-shadow:0 24px 80px var(--shadow)}.tool-panel{padding:clamp(22px,4vw,38px)}.tool-panel h1{font-size:clamp(38px,7vw,76px);line-height:.96;letter-spacing:0;margin:0 0 18px;max-width:8ch}.tool-panel p{color:var(--muted);line-height:1.75;margin:0;font-size:16px}.tool-list{display:grid;grid-gap:10px;gap:10px;margin-top:30px}.tool-item{border:1px solid var(--line);background:var(--paper-strong);padding:14px}.tool-item strong{display:block;margin-bottom:4px}.tool-item span{color:var(--muted);font-size:14px}.upload-panel{padding:clamp(18px,4vw,34px)}.success-panel h1,.upload-panel h2{margin:0 0 8px;font-size:clamp(24px,5vw,38px);letter-spacing:0}.hint{color:var(--muted);line-height:1.7;margin:0 0 24px}.form{display:grid;grid-gap:18px;gap:18px}.field{display:grid;grid-gap:8px;gap:8px}.field label{font-weight:800}.field input[type=text]{width:100%;border:1px solid var(--line);background:#fffdf8;padding:13px 14px;color:var(--ink);outline:none}.field input[type=text]:focus{border-color:var(--accent);box-shadow:0 0 0 3px rgba(167,45,34,.12)}.dropzone{border:1px dashed #a09484;background:#fffdf8;padding:22px;display:grid;grid-gap:10px;gap:10px;place-items:center;text-align:center}.dropzone input{width:min(100%,320px)}.small{color:var(--muted);font-size:13px}.submit-row{display:flex;gap:12px;align-items:center;justify-content:space-between;flex-wrap:wrap;border-top:1px solid var(--line);padding-top:18px}.primary-button,.secondary-button{min-height:44px;border:1px solid var(--ink);display:inline-flex;align-items:center;justify-content:center;gap:8px;padding:10px 16px;text-decoration:none;cursor:pointer}.primary-button{background:var(--ink);color:var(--paper)}.primary-button:hover{background:var(--accent);border-color:var(--accent)}.secondary-button{background:transparent;color:var(--ink)}.error{border:1px solid #d24b37;background:#fff2ee;color:#8a2118;padding:12px 14px;line-height:1.6}.success-panel{width:min(680px,calc(100% - 32px));margin:56px auto;padding:clamp(24px,6vw,48px)}.success-icon{width:52px;height:52px;display:grid;place-items:center;background:var(--accent-2);color:#fff;margin-bottom:18px}@media (max-width:820px){.topbar{align-items:flex-start;flex-direction:column}.workspace{grid-template-columns:1fr;padding-top:8px}.tool-panel h1{max-width:100%}}