:root{font-family:Inter,"Segoe UI","Microsoft YaHei",Arial,sans-serif;color:#233044;background:#f7f9fc;font-synthesis:none;font-size:16px}*{box-sizing:border-box}body{margin:0}button,input,select{font:inherit}button,select{cursor:pointer}button{min-height:46px;border-radius:6px;font-weight:600;transition:background .15s}button:focus-visible,input:focus-visible,select:focus-visible{outline:3px solid #84b6ff;outline-offset:3px}header{min-height:92px;background:#fff;border-bottom:1px solid #e3e8f0;padding:20px max(24px,calc((100vw - 1120px)/2));display:flex;align-items:center;justify-content:space-between;gap:20px}.brand{display:flex;gap:12px;align-items:center}.brand-icon{background:#286dd8;color:#fff;padding:11px 9px;border-radius:10px;font-weight:800;font-size:23px}.brand 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#1a386206}form{padding:28px;display:flex;align-items:flex-start;gap:12px}.input-area{flex:1;min-width:0}label#secret-label{display:block;font-size:14px;font-weight:600;margin-bottom:10px}.secret-wrap{display:flex;border:1px solid #cbd5e2;border-radius:6px;overflow:hidden;background:#fff}.secret-wrap:focus-within{border-color:#2b70df}input{width:100%;min-width:0;padding:13px 14px;border:0;background:transparent;color:#27334a;outline-offset:-3px!important}input::placeholder{color:#8b97a9}button.reveal{border:0;border-radius:0;padding:0 14px;background:#fff;color:#506683;font-size:14px}.hint{font-size:13px;color:#7b8798;margin:9px 0 0;line-height:1.5}.primary,.secondary{margin-top:29px;padding:0 20px;white-space:nowrap}.primary{border:1px solid #286dd8;background:#286dd8;color:white}.primary:hover,.copy-button:hover:enabled{background:#1d59b6}.secondary{border:1px solid #d4dce7;background:#fff;color:#596a82}.secondary:hover{background:#f2f5f9}#error{margin:0 28px 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24px}.copy-button:disabled{background:#edf1f6;color:#97a3b4;cursor:not-allowed}.progress-track{height:4px;background:#edf2f9}progress{display:block;width:100%;height:4px;border:0;appearance:none}progress::-webkit-progress-bar{background:#edf2f9}progress::-webkit-progress-value{background:#347ee7}progress::-moz-progress-bar{background:#347ee7}.notice{margin-top:24px;background:#edf5ff;border:1px solid #daeafa;border-radius:8px;padding:20px 22px;display:flex;gap:14px;line-height:1.7}.notice-icon{border:1.5px solid #4680bd;border-radius:50%;width:20px;height:20px;line-height:18px;text-align:center;color:#4680bd;flex-shrink:0;margin-top:3px}.notice strong{font-size:14px;color:#2b6098}.notice p{margin:4px 0 0;font-size:14px;color:#587492}.clock-note{font-size:13px;color:#8290a3;text-align:center;margin-top:22px;line-height:1.7}footer{display:flex;justify-content:space-between;gap:16px;border-top:1px solid #e1e7ef;margin-top:42px;padding-top:20px;font-size:12px;color:#8a96a8;letter-spacing:.4px}#toast:not(:empty){position:fixed;bottom:28px;left:50%;transform:translateX(-50%);max-width:90%;background:#243d5c;color:#fff;padding:12px 22px;border-radius:8px;font-size:14px;text-align:center}@media(max-width:760px){header{padding:16px 20px;gap:12px}.language>span{display:none}.brand strong{font-size:16px}.brand-light{font-size:12px}.subtitle{font-size:12px}select{max-width:145px;font-size:14px}main{margin:28px auto;padding:0 16px}h1{font-size:23px}.page-heading{align-items:flex-start;flex-direction:column;gap:12px}.intro{font-size:15px;margin-bottom:22px}form{padding:22px;flex-wrap:wrap}.input-area{flex-basis:100%}.primary,.secondary{margin-top:3px;flex:1;padding:0 12px}.result-head{padding:15px 22px;gap:12px;font-size:13px}.result-body{padding:30px 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.secret-wrap .reveal{flex-shrink:0;white-space:nowrap}
.brand-logo{display:block;width:58px;height:58px;object-fit:contain;flex-shrink:0}header{min-height:76px;padding-top:10px;padding-bottom:10px}.brand>.subtitle{margin:0}@media(max-width:760px){.brand-logo{width:46px;height:46px}.brand>.subtitle{display:none}}
