:root{color-scheme:light;--ink:#172b3b;--muted:#627180;--line:#dce3e8;--paper:#f4f6f5;--accent:#db683a;--navy:#183b49;--green:#286859;font-family:Inter,"Segoe UI","Microsoft YaHei",sans-serif;font-synthesis:none}*{box-sizing:border-box}body{margin:0;color:var(--ink);background:var(--paper);font-size:15px;line-height:1.6}a{color:inherit;text-decoration:none}a:hover{text-decoration:underline}button,input,select{font:inherit}button,a,input{touch-action:manipulation}button{cursor:pointer}button:disabled{cursor:default;opacity:.5}button:focus-visible,a:focus-visible,input:focus-visible{outline:3px solid #e6b45c;outline-offset:3px}.shell{max-width:1280px;margin:auto;padding:0 42px}.topbar{min-height:88px;display:flex;align-items:center;justify-content:space-between;border-bottom:1px solid var(--line);gap:20px}.brand{display:flex;align-items:center;gap:12px;font-size:19px;font-weight:750;letter-spacing:-.6px}.brand-mark{display:grid;place-items:center;width:38px;height:38px;background:var(--navy);color:white;border-radius:9px;font-size:18px;letter-spacing:-2px;padding-right:2px}.top-meta{display:flex;align-items:center;gap:18px;color:var(--muted);font-size:13px}.pill{display:inline-flex;align-items:center;gap:7px;padding:5px 10px;border:1px solid var(--line);background:white;border-radius:30px;font-size:12px;color:var(--green)}.pill:before{content:"";width:6px;height:6px;border-radius:50%;background:currentColor}.quiet{border:0;background:none;color:var(--muted);padding:9px 0}.hero{padding:46px 0 28px;display:flex;align-items:flex-end;justify-content:space-between;gap:20px}.eyebrow{font-size:11px;text-transform:uppercase;letter-spacing:2px;font-weight:700;color:var(--accent);margin:0 0 10px}h1{font-size:36px;line-height:1.25;letter-spacing:-1.4px;margin:0 0 13px;font-weight:650}h2{font-size:20px;letter-spacing:-.5px;margin:0 0 12px}h3{font-size:15px;margin:0 0 6px}.description{color:var(--muted);margin:0;max-width:650px}.section-heading{display:flex;justify-content:space-between;gap:12px;align-items:center;margin:25px 0 14px}.section-heading h2{font-size:15px;letter-spacing:0;margin:0}.small{font-size:12px;color:var(--muted)}.grid{display:grid;grid-template-columns:repeat(2,minmax(0,1fr));gap:20px}.card{display:block;background:white;border:1px solid var(--line);border-radius:14px;padding:25px;position:relative;transition:border-color .15s,transform .15s}.card:hover{border-color:#acbfc7;text-decoration:none;transform:translateY(-2px)}.card-icon{width:45px;height:45px;background:#f2f5f4;border-radius:12px;display:grid;place-items:center;color:var(--green);font-weight:700;font-size:16px;margin-bottom:21px}.card p{color:var(--muted);font-size:14px;max-width:360px;margin:8px 0 24px}.card-tag{font-size:11px;border:1px solid var(--line);border-radius:5px;padding:3px 7px;color:var(--muted)}.card-arrow{position:absolute;bottom:25px;right:26px;font-size:22px;color:var(--accent)}.footer{font-size:12px;color:var(--muted);margin:48px 0 25px;border-top:1px solid var(--line);padding-top:20px;display:flex;justify-content:space-between;gap:10px}.panel{background:#fff;border:1px solid var(--line);border-radius:14px;padding:24px}.upload{display:flex;justify-content:space-between;gap:20px;align-items:center;border:1px dashed #a9bdbf;border-radius:11px;background:#f6f9f7;padding:25px}.upload p{margin:4px 0 0;color:var(--muted);font-size:13px}.file-label{display:inline-block;position:relative;background:var(--navy);color:white;padding:10px 17px;border-radius:7px;font-weight:600;cursor:pointer;white-space:nowrap}.file-label input{position:absolute;inset:0;width:100%;opacity:0;cursor:pointer}.button{border:1px solid var(--line);border-radius:7px;background:white;padding:10px 15px;color:var(--ink);font-weight:550}.button.primary{background:var(--navy);color:white;border-color:var(--navy)}.controls{display:flex;justify-content:space-between;align-items:center;gap:15px;flex-wrap:wrap;margin-top:17px}.check{display:flex;align-items:center;gap:8px;font-size:13px;color:var(--muted)}input[type=checkbox]{accent-color:var(--navy);width:16px;height:16px}.status{padding:10px 0;color:var(--muted);font-size:13px;overflow-wrap:anywhere;min-height:40px}.status.error{color:#a7372a}.stats{display:grid;grid-template-columns:repeat(3,minmax(0,1fr));gap:14px;margin:20px 0}.stat{padding:16px 19px;border:1px solid var(--line);background:white;border-radius:10px}.stat strong{display:block;font-size:27px;line-height:1.4;font-weight:600;font-variant-numeric:tabular-nums}.stat span{font-size:12px;color:var(--muted)}.tabs{display:flex;gap:22px;border-bottom:1px solid var(--line);margin-bottom:14px}.tab{background:none;border:0;padding:12px 0;border-bottom:2px solid transparent;color:var(--muted)}.tab.active{border-color:var(--accent);color:var(--ink);font-weight:650}.table-wrap{overflow:auto;max-height:470px;border:1px solid var(--line);border-radius:8px}table{border-collapse:collapse;width:100%;font-size:13px;text-align:left;white-space:nowrap}th,td{padding:10px 14px;border-bottom:1px solid #edf0f2;max-width:360px;overflow:hidden;text-overflow:ellipsis}th{background:#f5f7f7;position:sticky;top:0;font-weight:600;color:#506372}td{font-variant-numeric:tabular-nums}td:first-child,th:first-child{border-right:1px solid var(--line)}.empty{padding:58px 15px;text-align:center;color:var(--muted);background:#fafbfa;border-radius:9px}.empty strong{display:block;color:var(--ink);margin-bottom:7px}.back{display:inline-block;font-size:13px;color:var(--muted);margin-top:25px}.login-layout{min-height:calc(100vh - 130px);display:grid;grid-template-columns:1.1fr 1fr;align-items:center;gap:80px}.login-art{border-left:3px solid var(--accent);padding-left:30px}.login-art h1{font-size:50px;max-width:440px;line-height:1.2}.login-art .description{max-width:330px}.login-features{list-style:none;padding:0;margin-top:35px;color:var(--muted);font-size:14px}.login-features li{margin:12px 0}.login-features li:before{content:"↗";color:var(--accent);margin-right:12px}.login-panel{max-width:420px;width:100%;padding:35px;box-shadow:0 15px 60px #183b4906}.login-panel h2{font-size:24px}.field-label{display:block;font-size:13px;font-weight:600;margin:25px 0 8px}.password-input{display:block;width:100%;border:1px solid #c9d5da;border-radius:7px;padding:12px 13px;letter-spacing:1px;background:#fcfdfc}.login-panel .primary{width:100%;margin-top:20px}.login-panel .small{margin:16px 0 0}.divider{height:1px;background:var(--line);margin:26px 0 18px}.public-card{max-width:800px;margin:0 auto}.power-inputs{display:grid;grid-template-columns:1.3fr 1fr;gap:14px;margin:22px 0}.number-input,select{border:1px solid #c9d5da;border-radius:8px;padding:13px;background:white;min-width:0;width:100%}.result-grid{display:grid;grid-template-columns:repeat(3,minmax(0,1fr));gap:12px;margin:25px 0}.power-result{border:1px solid var(--line);padding:23px 15px;border-radius:9px;background:#f7f9f8;min-width:0}.power-result strong{display:block;font-size:25px;letter-spacing:-.6px;overflow-wrap:anywhere;font-variant-numeric:tabular-nums}.power-result span{color:var(--muted);font-size:13px}.formula{font-family:ui-monospace,Consolas,monospace;background:#f6f7f7;border-radius:8px;padding:16px;color:#596b77;font-size:13px}.hidden,[hidden]{display:none!important}@media(max-width:760px){.shell{padding:0 20px}.topbar{min-height:72px}.top-meta .pill{display:none}h1{font-size:29px}.hero{padding-top:30px;display:block}.hero>.small{margin-top:15px;display:block}.grid{grid-template-columns:1fr}.card{padding:21px}.card-icon{margin-bottom:16px}.login-layout{display:block;min-height:0;padding-top:38px}.login-art{padding-left:18px}.login-art h1{font-size:35px}.login-art .description{font-size:14px}.login-features{display:none}.login-panel{margin:35px auto 0;max-width:none;padding:24px}.footer{margin-top:35px;flex-wrap:wrap}.upload{align-items:flex-start;padding:19px;flex-direction:column}.upload .file-label{width:100%;text-align:center}.panel{padding:18px}.controls{align-items:flex-start}.controls .button{width:100%}.stats{gap:8px}.stat{padding:12px}.stat strong{font-size:23px}.result-grid{grid-template-columns:1fr}.power-result{display:flex;align-items:center;justify-content:space-between;padding:14px 18px}.power-result strong{font-size:26px}.power-inputs{grid-template-columns:1fr 105px;gap:10px}.footer span:last-child{font-size:11px}}
.language-select{width:auto;max-width:150px;padding:8px 12px;font-size:13px}