:root{--bg:#f4f8f6;--surface:#e6eeea;--ink:#14202b;--muted:#4c5961;--accent:#7c4df5;--accent-hover:#6838e6;--on-accent:#fff;--field-1:#e2f3ed;--field-2:#bdd5f2;--field-3:#e8e0fc;--field-4:#14202b;--ui:#fff;--ui-line:#d3ddd8;--ui-soft:#f1f5f3;--red:#b42318;--red-soft:#fdecea;--green:#0b6b4f;--green-soft:#dcf3ea;--step-small:.875rem;--step-body:clamp(1.0625rem, 1rem + .25vw, 1.1875rem);--step-lead:clamp(1.25rem, 1.1rem + .6vw, 1.5rem);--step-head:clamp(2rem, 1.3rem + 2.6vw, 3.5rem);--step-display:clamp(2.75rem, 1rem + 4.6vw, 5.25rem);--margin:clamp(20px, 4vw, 56px);--max:1440px;--gutter:max(var(--margin), calc((100% - var(--max)) / 2));--lift:0 1px 2px #14202b0f, 0 18px 44px #14202b1a;--section:clamp(56px, 6vw, 104px);--ease:cubic-bezier(.2, .7, .2, 1);color:var(--ink);background:var(--bg);font-synthesis:none;font-family:Albert Sans,system-ui,PingFang SC,Hiragino Sans GB,Microsoft YaHei,Noto Sans 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