:root{--paper:#f5f4ed;--ink:#203a31;--muted:#5c6a61;--line:#d4dacf;--accent:#245b42;--surface:#fffef9;--error:#a02e25}*{box-sizing:border-box}body{margin:0;background:var(--paper);color:var(--ink);font:16px/1.7 "Microsoft YaHei","PingFang SC",sans-serif}main{max-width:920px;margin:auto;padding:32px 32px 48px}header{display:flex;justify-content:space-between;align-items:center;padding-bottom:24px;border-bottom:1px solid var(--line)}.brand{font-size:25px;font-weight:700;letter-spacing:3px;color:var(--ink);text-decoration:none}.brand span{font:10px/1.5 Consolas,monospace;letter-spacing:2px;display:block}.badge{font-size:12px;border:1px solid var(--line);padding:5px 14px;border-radius:30px}.intro{padding:48px 0 32px}.eyebrow{font-size:13px;letter-spacing:2px;color:var(--accent)}h1{font-size:clamp(36px,6vw,54px);line-height:1.3;letter-spacing:-1px;margin:14px 0 20px}p{color:var(--muted);text-wrap:pretty}.intro>p:last-child{font-size:14px}form{padding:28px;background:var(--surface);border:1px solid var(--line);border-radius:8px}label{display:block;margin-bottom:12px;font-weight:600;font-size:14px}.inputrow{display:flex;gap:12px}input,textarea{font:inherit;border:1px solid #a8b8aa;border-radius:4px;padding:12px;background:var(--paper);color:var(--ink);min-width:0;width:100%}textarea{resize:vertical;min-height:100px;font-family:Consolas,"Microsoft YaHei",monospace;font-size:14px}button,.download{font:inherit;background:var(--accent);color:white;border:0;border-radius:4px;min-height:46px;padding:10px 22px;cursor:pointer;white-space:nowrap;text-decoration:none;display:inline-block;font-size:14px}button:hover,.download:hover{background:#193e2e}button:active{transform:translateY(1px)}button:disabled{opacity:.6;cursor:wait}:focus-visible{outline:3px solid #a67115;outline-offset:3px}.hint{font-size:12px;color:var(--muted);margin-bottom:0}.submitrow{display:flex;justify-content:space-between;align-items:center;gap:16px;margin-top:16px}.sectiontitle{display:flex;justify-content:space-between;align-items:center;margin:32px 0 12px}.sectiontitle span{font-size:13px;color:var(--muted)}h2{font-size:19px}.task{padding:22px 0;border-top:1px solid var(--line)}.taskhead{display:flex;justify-content:space-between;gap:16px;align-items:baseline}.task h3{font-size:16px;margin:0;overflow-wrap:anywhere}.state{font-size:12px;white-space:nowrap;color:var(--accent)}progress{width:100%;height:5px;accent-color:var(--accent)}.file{display:flex;justify-content:space-between;align-items:center;gap:16px;padding:14px 0;border-bottom:1px solid var(--line)}.filename{overflow-wrap:anywhere;min-width:0}.filesize{font-size:12px;color:var(--muted)}.download{font-size:12px;min-height:44px;padding:10px 14px}.empty{padding:32px;text-align:center;border:1px dashed var(--line);color:var(--muted);font-size:14px}#notice{min-height:26px;font-size:14px;color:var(--error)}footer{border-top:1px solid var(--line);padding-top:20px;display:flex;flex-direction:column;font-size:11px;color:var(--muted)}[hidden]{display:none!important}@media(max-width:600px){main{padding:20px}.intro{padding:32px 0 24px}form{padding:20px}.inputrow{flex-direction:column}.submitrow{align-items:stretch;flex-direction:column}.taskhead{flex-direction:column;gap:4px}.file{gap:12px}.download{padding:10px}.intro br:last-child{display:none}}@media(prefers-reduced-motion:reduce){*{scroll-behavior:auto!important}}