:root{--ink:#173c68;--green:#2676c8;--muted:#6c7e93;--line:#dce5f0;--paper:#f5f8fc}*{box-sizing:border-box}html{scroll-behavior:smooth}body{margin:0;background:var(--paper);color:var(--ink);font-family:system-ui,-apple-system,'PingFang TC',sans-serif}header,main,footer{max-width:1120px;margin:auto}header{height:100px;display:flex;align-items:center;justify-content:space-between;border-bottom:1px solid var(--line)}a{color:inherit;text-decoration:none}.brand{font-size:23px;font-weight:750;display:flex;align-items:center;gap:10px}.brand small{font-size:14px;font-weight:500;letter-spacing:-.3px}.logo{display:inline-grid;place-items:center;background:var(--ink);color:white;width:36px;height:36px;border-radius:10px}header>a:last-child{font-size:13px}.hero{text-align:center;padding:67px 0 35px}.eyebrow{font-size:11px;letter-spacing:2px;font-weight:650;display:flex;gap:9px;justify-content:center;align-items:center}.eyebrow i{width:7px;height:7px;border-radius:50%;background:#66a7e8}h1{font-size:58px;letter-spacing:-2px;line-height:1.25;margin:23px 0}h1 span{color:var(--green)}.hero>p{line-height:1.9;font-size:15px;color:var(--muted)}.badges{display:flex;gap:28px;justify-content:center;font-size:12px;margin-top:27px}.workspace{max-width:760px;margin:0 auto;border:1px solid var(--line);border-radius:18px;background:white;box-shadow:0 16px 50px #234f7910;overflow:hidden}.toolhead{padding:18px 25px;display:flex;justify-content:space-between;align-items:center;font-size:11px;letter-spacing:1px;border-bottom:1px solid #edf2f8}.pill{color:var(--green);background:#eaf3ff;border-radius:20px;padding:6px 12px;font-size:11px;letter-spacing:0}.drop{margin:24px;border:1.5px dashed #b9cce4;border-radius:12px;background:#f8fbff;padding:30px;text-align:center;transition:.2s}.drop.over{background:#e4f0ff;border-color:var(--green)}.fileicon{margin:auto;width:54px;height:67px;background:#fff;border:1px solid #c9d9ed;border-radius:6px;display:grid;place-items:center;font-size:13px;font-weight:700;position:relative;box-shadow:4px 4px 0 #e4edf9;transform:rotate(-5deg)}.fileicon span{position:absolute;right:-10px;bottom:-6px;background:#dcecff;border:3px solid white;border-radius:50%;width:28px;height:28px}h2{font-size:21px;margin:23px 0 9px}.drop p{font-size:13px;color:var(--muted);margin:0 0 22px}button,.download{border:0;border-radius:7px;background:var(--ink);color:white;padding:13px 24px;font:inherit;font-size:13px;cursor:pointer;display:inline-block}button:hover,.download:hover{background:#245e99}button:focus-visible,a:focus-visible,summary:focus-visible{outline:3px solid #79aef0;outline-offset:3px}#choose span{margin-left:28px}small{display:block}.drop small{font-size:11px;color:#8291a4;margin-top:15px}.localnote{display:flex;gap:10px;justify-content:center;align-items:center;background:#f0f5fc;border-top:1px solid #e3ebf6;padding:7px 15px;color:#647e9d;font-size:11px}.localnote span{font-size:24px}.explain{display:grid;grid-template-columns:repeat(3,1fr);gap:45px;padding:58px 0 47px;max-width:920px;margin:auto}.number{font-size:12px;font-family:monospace;color:#7f9bb8}.explain h3{font-size:16px;margin:12px 0}.explain p,.faq p{color:var(--muted);font-size:13px;line-height:1.9}.faq{max-width:760px;margin:20px auto 65px}.faq h2{font-size:20px;margin-bottom:25px}details{border-bottom:1px solid var(--line);padding:18px 0}summary{cursor:pointer;font-size:14px}details p{padding-left:17px}footer{border-top:1px solid var(--line);padding:28px 0;display:flex;align-items:center;justify-content:space-between}footer .brand{font-size:17px}footer span{font-size:11px;color:#7d91a8}footer span:last-child{letter-spacing:1px;font-size:9px}#queue{padding:0 24px 22px}.queuehead{display:flex;justify-content:space-between;align-items:center}.textbtn{background:none;color:var(--muted);padding:12px}.textbtn:hover{background:#edf3fa}.row{border-top:1px solid var(--line);padding:20px 0;display:flex;gap:15px;align-items:center}.doc{padding:12px 8px;background:#edf4fc;border-radius:7px;font:10px monospace}.info{flex:1;min-width:0}.filename{font-size:13px;font-weight:650;overflow-wrap:anywhere}.status{color:var(--muted);font-size:12px;margin-top:7px;line-height:1.7}.status.error{color:#a44839}.download{font-size:12px;padding:9px 14px;white-space:nowrap}.secondary{background:#eaf2fc;color:var(--ink);width:100%;margin-top:10px}.secondary:hover{background:#dce9fa}@media(max-width:800px){header,main,footer{margin-left:22px;margin-right:22px}header{height:77px}h1{font-size:41px}.hero{padding-top:45px}.badges{gap:15px;font-size:10px}.explain{gap:20px;padding-top:35px}.explain p{font-size:12px}footer{flex-wrap:wrap;gap:20px}.row{flex-wrap:wrap}.drop{margin:16px;padding:26px 12px}.localnote{font-size:10px}.brand small{font-size:12px}}@media(max-width:480px){h1{font-size:35px;letter-spacing:-1px}.explain{grid-template-columns:1fr;gap:15px}.explain>div{border-bottom:1px solid var(--line);padding-bottom:12px}.explain h3{display:inline-block;margin-left:15px}.explain p{margin-top:0}footer span:last-child{display:none}}

.modes{border:0;margin:22px 24px 0;padding:0}.modes legend{font-size:13px;font-weight:650;margin-bottom:12px}.modegrid{display:grid;grid-template-columns:repeat(4,1fr);gap:9px}.modegrid label{position:relative;border:1px solid #dce5f0;border-radius:9px;padding:13px 9px;cursor:pointer}.modegrid label:has(input:checked){border-color:#2676c8;background:#eaf3ff;box-shadow:0 0 0 1px #2676c8}.modegrid input{accent-color:#2676c8;margin:0 6px 8px 0}.modegrid strong{font-size:13px}.modegrid small{font-size:10px;color:#6c7e93}.modes p{font-size:11px;line-height:1.8;color:#6c7e93;margin-bottom:0}.faq{margin-top:45px}@media(max-width:600px){.modegrid{grid-template-columns:repeat(2,1fr)}.modes{margin-left:16px;margin-right:16px}}

.hero{padding:28px 0 25px}.hero .eyebrow{display:none}.hero .badges{margin-top:0}