:root{color:#17211d;background:#f4f5ef;font-family:Microsoft YaHei,sans-serif}*{box-sizing:border-box}body{margin:0}button,input{font:inherit}button{cursor:pointer}.home,.toolPage{min-height:100vh;padding:28px clamp(20px,6vw,92px)}.brand,.toolHeader{display:flex;align-items:center;gap:12px}.brand{justify-content:space-between}.brand span{display:flex;align-items:center;gap:8px;font-weight:700}.brand small,.eyebrow,.toolCard span{color:#667169}.homeIntro{max-width:680px;padding:90px 0 42px}.eyebrow{font-size:13px;font-weight:700;text-transform:uppercase}h1{margin:10px 0;font-family:Georgia,Microsoft YaHei,serif;font-size:clamp(42px,7vw,76px);line-height:1.05}.homeIntro>p:not(.eyebrow):not(.carry){font-size:18px;line-height:1.7;color:#465249}.toolGrid{display:grid;grid-template-columns:repeat(4,minmax(0,1fr));gap:12px}.toolCard{min-height:180px;display:flex;flex-direction:column;align-items:flex-start;gap:12px;padding:22px;border:1px solid #d9ddd2;border-radius:8px;background:#fff;text-align:left;transition:transform .16s ease,border-color .16s ease}.toolCard:hover{transform:translateY(-3px);border-color:#345f4c}.toolCard strong{font-size:17px}.carry{display:inline-flex;align-items:center;gap:6px;margin:14px 0 0;padding:7px 10px;background:#e4eee6;color:#28523c;font-size:13px}.toolHeader{min-height:42px;border-bottom:1px solid #d9ddd2;padding-bottom:18px}.toolHeader h1{margin:0;font-family:Microsoft YaHei,sans-serif;font-size:19px}.iconButton{border:0;background:transparent;padding:6px}.transferNav{display:flex;flex-wrap:wrap;gap:8px;margin:20px 0}.transferNav button{border:1px solid #d9ddd2;background:#fff;padding:8px 10px;border-radius:5px;color:#28523c}.toolContent{max-width:1080px}.originalToolPage{min-height:100vh;display:flex;flex-direction:column;background:#f4f5ef}.originalToolbar{min-height:58px;display:flex;align-items:center;gap:14px;padding:8px 18px;border-bottom:1px solid #d9ddd2;background:#fff}.originalToolbar strong{white-space:nowrap}.originalToolbar nav{display:flex;flex-wrap:wrap;gap:6px;flex:1}.originalToolbar nav button,.originalToolbar a{display:inline-flex;align-items:center;gap:5px;border:1px solid #d9ddd2;background:#fff;padding:6px 9px;border-radius:4px;color:#28523c;text-decoration:none;font-size:13px}.originalToolPage iframe{width:100%;flex:1;min-height:calc(100vh - 58px);border:0;background:#fff}.workspace{display:grid;gap:16px;max-width:700px}.uploadZone{min-height:260px;display:flex;flex-direction:column;justify-content:center;align-items:center;gap:10px;border:1.5px dashed #99a69c;background:#fff;color:#28523c;cursor:pointer}.uploadZone input{position:absolute;width:1px;height:1px;opacity:0}.uploadZone span{color:#667169;font-size:14px}.fileBar{display:flex;justify-content:space-between;align-items:center;gap:12px;padding:12px 14px;background:#e9eee7;font-size:14px}.fileBar label{color:#28523c;cursor:pointer}.fileBar input{position:absolute;width:1px;height:1px;opacity:0}.panel{display:grid;gap:18px;padding:20px;border:1px solid #d9ddd2;background:#fff}.panel label{display:grid;gap:8px;color:#405247;font-size:14px}.panel input:not([type=range]){height:38px;max-width:440px;border:1px solid #c8d0c6;padding:7px 9px}.primaryButton{width:fit-content;display:inline-flex;align-items:center;justify-content:center;gap:8px;border:0;border-radius:5px;background:#244d3a;color:#fff;padding:11px 14px;font-weight:700}.error{color:#b42318;font-size:14px}@media(max-width:760px){.toolGrid{grid-template-columns:repeat(2,minmax(0,1fr))}.homeIntro{padding-top:56px}}