:root{font-family:system-ui,"Microsoft YaHei",sans-serif;color:#173d36;background:#f3f5ef}*{box-sizing:border-box}body{margin:0}main{max-width:940px;margin:auto;padding:32px 24px}header{display:flex;align-items:center;gap:14px;font-weight:700}small{font-weight:400;color:#63766c}header small{display:block;font-size:12px;margin-top:4px}.logo{font-size:34px;background:#ddebdd;border-radius:16px;width:58px;text-align:center}#badge{margin-left:auto;background:white;border-radius:30px;padding:9px 16px;font-size:13px}.intro{padding:56px 0 22px}.eyebrow{font-size:12px;letter-spacing:3px;color:#69816b}h1{font-size:clamp(30px,5vw,48px);font-weight:650;letter-spacing:-1px;margin:15px 0}p{line-height:1.8;color:#64766b}.card{background:#fff;border:1px solid #dce5d8;border-radius:24px;padding:28px;box-shadow:0 12px 40px #183f3210}h2{font-size:21px;margin:0}.file{display:block;border:1px dashed #a5b7a3;border-radius:12px;padding:17px;margin:18px 0}input{display:block;margin-top:10px;max-width:100%}.actions{display:flex;gap:10px}button,#open{background:#235d47;border:0;border-radius:10px;color:white;padding:13px 21px;font-size:15px;cursor:pointer;text-decoration:none}button:disabled{opacity:.4;cursor:default}.secondary{background:#edf2e9;color:#315741}.stats{display:flex;gap:50px;border-top:1px solid #edf0eb;padding:22px 0}.stats small,.stats strong{display:block}.stats strong{font-size:18px;margin-top:9px}#open{display:inline-block;margin:0 12px 10px 0}#open[hidden]{display:none}footer{font-size:12px;color:#7e8a7b;line-height:1.9;padding:24px 4px}@media(max-width:500px){main{padding:20px 16px}.intro{padding-top:35px}.card{padding:20px}.stats{gap:20px;flex-wrap:wrap}}

details{margin:18px 0}textarea{display:block;width:100%;margin:10px 0;border:1px solid #a5b7a3;border-radius:8px;padding:10px}