:root{--navy:#152c38;--teal:#17675d;--ink:#253640;--muted:#53636b;--line:#dce3e0;--paper:#f8f7f3;--soft:#eef4f1;--white:#fff;--accent:#bc6b4b;--radius:12px}*{box-sizing:border-box}html{scroll-behavior:smooth;scroll-padding-top:30px}body{margin:0;background:var(--paper);color:var(--ink);font-family:Arial,Helvetica,sans-serif;line-height:1.72;font-size:17px}a{color:var(--teal);text-decoration-thickness:1px;text-underline-offset:3px}a:hover{color:#0e4b44;text-decoration-thickness:2px}button,input{font:inherit}button{cursor:pointer}img{display:block;max-width:100%;height:auto}p{margin:0 0 1.1em}ul,ol{padding-left:1.35em;margin:0 0 1.35em}li+li{margin-top:.45em}strong,b{font-weight:700}.shell{width:min(1240px,calc(100% - 64px));margin-inline:auto}.topbar{background:var(--navy);color:#e6edeb;font-size:12px;letter-spacing:.02em}.topbar .shell{min-height:37px;display:flex;align-items:center;justify-content:space-between;gap:20px}.topbar 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