:root{font-family:"Segoe UI","Microsoft YaHei",sans-serif;color:#182d34;background:#f3f6f8;line-height:1.7;font-synthesis:none}*{box-sizing:border-box}body{margin:0}main{max-width:1320px;margin:auto;padding:28px 42px}header{display:flex;align-items:center;justify-content:space-between;margin-bottom:38px}.brand{font-size:28px;font-weight:750;color:#182d34;text-decoration:none}.brand span{font-size:12px;color:#657a73;font-weight:400;margin-left:12px}.intro{border-left:3px solid #237566;padding-left:18px;margin:0 0 30px}h1{font-size:40px;letter-spacing:-1px;line-height:1.3;margin:0 0 12px}.intro p{margin:0;color:#657a73}h2{font-size:18px;margin:0 0 16px}.grid{display:grid;grid-template-columns:290px 1fr;gap:24px}.card{background:#ffffff;border:1px solid #dce7e2;border-radius:12px;padding:26px}.pairing{text-align:center;background:#ffffff}.muted{color:#657a73;font-size:12px}button,.fileButton{font:inherit;border:1px solid #dce7e2;border-radius:10px;background:#237566;color:#fff;padding:12px 20px;cursor:pointer;display:inline-block}.quiet{background:#ecf7f2;color:#275e50}button:disabled{opacity:.5;cursor:default}button:focus-visible,a:focus-visible,.fileButton:focus-within{outline:3px solid #72b7a1;outline-offset:4px}.modes{display:flex;gap:12px}.modes button{flex:1;background:#ffffff;color:#182d34}.modes button[aria-pressed="true"]{box-shadow:inset 0 0 0 1px #237566;border-color:#237566;background:#ecf7f2}#saveStatus{font-size:13px;background:#ecf7f2;border-radius:10px;padding:14px 16px;overflow-wrap:anywhere}#qr{min-height:225px;display:flex;align-items:center;justify-content:center;margin:24px 0}#qr svg{width:220px;height:220px;max-width:100%;background:white;border-radius:10px}#status{font-size:14px;color:#237566}.transfer{text-align:center;border:1px dashed #dce7e2;border-radius:14px;background:linear-gradient(110deg,#f7faf8,#f1f7f4);padding:28px;margin-top:22px}.fileButton{position:relative}.fileButton input{position:absolute;width:100%;height:100%;inset:0;opacity:0;cursor:pointer}.fileButton:has(input:disabled){opacity:.5;cursor:default}.history{margin-top:25px}#activity p{font-size:14px;padding:16px 0;border-top:1px solid #dce7e2;overflow-wrap:anywhere}#downloads a{display:inline-block;padding:12px 20px;background:#237566;color:white;border-radius:10px;margin:8px 0;overflow-wrap:anywhere}#downloads p{font-size:13px;color:#657a73}footer{display:flex;justify-content:space-between;align-items:flex-start;gap:24px;margin-top:25px;color:#657a73;font-size:12px}footer p{margin:0 0 6px}.desktop-download{font-family:SimHei,"Microsoft YaHei",sans-serif;font-weight:700;font-size:16px;color:#182d34;text-decoration:none;white-space:nowrap}.desktop-download:hover{text-decoration:underline;color:#237566}@media(max-width:760px){main{padding:22px}.grid{grid-template-columns:1fr}.modes{flex-direction:column}h1{font-size:32px}footer{flex-direction:column}.brand span{display:block;margin:0}header{gap:12px}}

.card{border-radius:20px}.intro{border-left:0;padding-left:0}.history{margin-bottom:6px}#route{margin:0 0 16px;color:#237566}#activity{display:flex;flex-direction:column;gap:10px}#activity:empty:after{content:"还没有传输记录";padding:22px;color:#7a8b85;text-align:center;font-size:13px;background:#f7faf8;border-radius:12px}.transfer-row{display:flex;align-items:center;gap:14px;padding:16px;background:#f8faf9;border:1px solid #e5ece8;border-radius:12px;min-width:0}.file-icon{display:flex;align-items:center;justify-content:center;flex:0 0 42px;height:46px;background:#e9f3ee;color:#237566;border-radius:9px;font-size:11px;font-weight:700}.file-info{flex:1;min-width:0}.file-name{font-size:14px;font-weight:600;overflow-wrap:anywhere;line-height:1.5}.file-state{display:block;font-size:12px;color:#658075;margin-top:5px}.file-actions{flex-shrink:0}.download-file{display:inline-block;padding:8px 14px;background:#237566;color:white;border-radius:8px;text-decoration:none;font-size:13px;font-weight:600;white-space:nowrap}.download-file:hover{background:#195d50}.transfer-row[data-state=error] .file-state{color:#b43d38}#downloads p{color:#73867d;font-size:12px;margin:14px 0 0;line-height:1.7}.desktop-download{color:#182d34}@media(max-width:550px){.transfer-row{flex-wrap:wrap}.file-actions{margin-left:56px}.file-name{font-size:13px}}