:root{color-scheme:dark;--bg:#050d1c;--panel:#0a1c32;--border:#1b3c58;--text:#e9f3ff;--muted:#a1b6ce;--cyan:#50d7ed;--blue:#268aff}*{box-sizing:border-box}html{scroll-behavior:smooth}body{margin:0;color:var(--text);background:radial-gradient(ellipse at 50% 0,#0c2849 0,transparent 48%),var(--bg);font:15px/1.65 "Segoe UI","Microsoft YaHei",sans-serif}button,input{font:inherit}button,a{touch-action:manipulation}button{cursor:pointer;color:inherit}a{color:inherit;text-decoration:none}a:hover{color:var(--cyan)}button:focus-visible,a:focus-visible,input:focus-visible{outline:2px solid var(--cyan);outline-offset:4px}.wrap{width:min(1184px,calc(100% - 48px));margin-inline:auto}.header{display:flex;align-items:center;justify-content:space-between;min-height:104px;gap:20px}.brand{display:flex;align-items:center;gap:12px;font-size:24px;font-weight:700;letter-spacing:-.03em}.logo{display:grid;place-items:center;width:44px;height:44px;border:1px solid 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