:root{--bg:#f1f3ef;--surface:#fff;--surface-muted:#f7f8f5;--ink:#17312e;--muted:#72807c;--subtle:#9aa6a2;--line:#e0e7e2;--line-strong:#cad7d0;--accent:#15836f;--accent-deep:#0c6255;--accent-soft:#e3f2ed;--orange:#d87539;--orange-soft:#fff0e6;--shadow:0 18px 50px #19362e0f;--shadow-strong:0 22px 70px #19362e1c;--shadow-soft:0 10px 28px #19362e12;--radius:16px;--radius-small:10px}[data-theme=dark]{--bg:#15201e;--surface:#1c2a27;--surface-muted:#22332f;--ink:#eff8f3;--muted:#a4b7af;--subtle:#83968e;--line:#30443f;--line-strong:#446058;--accent:#55c7a3;--accent-deep:#9ae6c9;--accent-soft:#1e4238;--orange:#f1a06a;--orange-soft:#4b3024;--shadow:0 18px 50px #0000002e;--shadow-strong:0 22px 70px #00000042;--shadow-soft:0 10px 28px #0000002e}*{box-sizing:border-box}html{scroll-behavior:smooth}html,body{overflow-x:clip}body{background:linear-gradient(180deg, color-mix(in srgb, var(--accent-soft) 34%, var(--bg)) 0, var(--bg) 440px);color:var(--ink);font-variant-numeric:tabular-nums;margin:0;font-family:Avenir Next,PingFang SC,Microsoft YaHei,-apple-system,BlinkMacSystemFont,Segoe UI,sans-serif;font-size:14px;line-height:1.5}.app-shell{isolation:isolate;min-height:100vh;position:relative}.app-shell:before{content:"";z-index:-1;pointer-events:none;background-image:linear-gradient(color-mix(in srgb, var(--accent) 9%, transparent) 1px, transparent 1px), linear-gradient(90deg, color-mix(in srgb, var(--accent) 7%, transparent) 1px, transparent 1px);opacity:.5;background-size:36px 36px;position:fixed;inset:0;-webkit-mask-image:linear-gradient(#00000080,#0000 480px);mask-image:linear-gradient(#00000080,#0000 480px)}button,input,select{font:inherit}button,select{cursor:pointer}button:focus-visible,input:focus-visible,select:focus-visible,a:focus-visible{outline-offset:2px;outline:3px solid #15836f47}a{color:inherit;text-decoration:none}h1,h2,h3,p{margin-top:0}h1{letter-spacing:-.03em;margin-bottom:8px;font-size:clamp(32px,4vw,54px);line-height:1.04}h2{letter-spacing:-.01em;margin-bottom:0;font-size:19px;line-height:1.2}h3{margin-bottom:0;font-size:15px}strong{font-weight:600}select,input[type=number]{border:1px solid var(--line-strong);border-radius:var(--radius-small);background:var(--surface);width:100%;min-height:44px;color:var(--ink);appearance:none;padding:0 14px;transition:border-color .16s,box-shadow .16s,background .16s}input[type=number]{appearance:textfield}input[type=number]::-webkit-inner-spin-button{appearance:none;margin:0}input[type=number]::-webkit-outer-spin-button{appearance:none;margin:0}input[type=number]:focus{border-color:var(--accent);box-shadow:none}.hidden{display:none!important}@media (max-width:680px){h1{font-size:37px}}@media (prefers-reduced-motion:reduce){*,:before,:after{scroll-behavior:auto!important;transition-duration:.01ms!important;animation-duration:.01ms!important}}