:root{--bg:#ffffff;--text:#222222;--border:#b8b8b8;--border-dark:#888888;--header:#ececec;--header-dark:#d4d4d4;--accent:#003366;--accent-hover:#004080;--muted:#444444;--spec-label-bg:#f4f4f4;--row-alt:#fafafa;--link:#003366;--error:#8b0000;--win7-green-top:#b5e08a;--win7-green-mid:#7bc94c;--win7-green-bot:#3d8f22}*{box-sizing:border-box}body,html{margin:0;padding:0;background:var(--bg);color:var(--text);font-family:Arial,Helvetica,Segoe UI,sans-serif;font-size:13px;line-height:1.4}a{color:var(--link);text-decoration:none}a:hover{text-decoration:underline}button{font:inherit;cursor:pointer}.site-layout{min-height:100vh;display:flex;flex-direction:column}.site-header{border-bottom:1px solid var(--border-dark);background:linear-gradient(180deg,#f8f8f8 0,var(--header) 100%)}.site-header-top{max-width:1040px;margin:0 auto;padding:10px 20px 6px;display:flex;align-items:center;justify-content:space-between}.site-header-minimal 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