:root{--ink:#193940;--muted:#60777d;--teal:#087f83;--navy:#153c44;--line:#dce7e7;--paper:#f3f7f6;--white:#fff;--soft:#e9f5f1;--gold:#bd761b;--shadow:0 12px 40px #193d4610}*{box-sizing:border-box}html{scroll-behavior:smooth;scroll-padding-top:90px}body{margin:0;background:var(--paper);color:var(--ink);font-family:Inter,"Segoe UI","Microsoft YaHei",sans-serif;font-size:14px;line-height:1.65}button,input,select{font:inherit;color:inherit}button,a,summary,input,select{touch-action:manipulation}button{cursor:pointer;border:1px solid #cbdcda;background:#fff;border-radius:9px;padding:9px 13px;font-weight:600}button:hover{border-color:#70aaa4;background:#eef7f4}button:disabled{opacity:.4;cursor:wait}button:focus-visible,a:focus-visible,input:focus-visible,select:focus-visible,summary:focus-visible,.graph-node:focus-visible{outline:3px solid #df9d35;outline-offset:3px}a{color:var(--teal);text-underline-offset:4px}input,select{border:1px solid 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