.nav-header{width:100%;height:64px;position:fixed;top:0;left:0;background:#59b3ff;display:flex;justify-content:space-between;align-items:center;padding:0 20px;box-sizing:border-box;z-index:1000}.nav-left{display:flex;align-items:center;height:64px;gap:40px}.nav-logo{display:block;display:flex;width:120px;align-items:center;height:auto}.nav-right{display:flex;align-items:center;gap:40px}.nav-header a{color:#fff;font-size:18px;font-weight:700;text-decoration:none;cursor:pointer;white-space:nowrap;transition:color .2s ease}.nav-header a:hover{color:#003e73}:root{line-height:1.5;font-weight:400;color-scheme:light dark;color:#ffffffde;background-color:#242424;font-synthesis:none;text-rendering:optimizeLegibility;-webkit-font-smoothing:antialiased;-moz-osx-font-smoothing:grayscale}a{font-weight:500;color:#646cff;text-decoration:none}a:hover{color:#535bf2}body{margin:0;padding:0;min-width:320px;min-height:100vh;display:flex;flex-direction:column;align-items:stretch;background-color:#f5f5f5;color:#213547}.page-container{flex:1;padding:20px;max-width:1200px;width:100%;margin:0 auto}h1{font-size:2.4em;line-height:1.2;margin:.5em 0}button{border-radius:8px;border:1px solid transparent;padding:.6em 1.2em;font-size:1em;font-weight:500;font-family:inherit;background-color:#1a1a1a;color:#fff;cursor:pointer;transition:border-color .25s,background-color .3s ease}button:hover{border-color:#646cff;background-color:#333}button:focus,button:focus-visible{outline:4px auto -webkit-focus-ring-color}@media (prefers-color-scheme: light){:root{color:#213547;background-color:#fff}a:hover{color:#747bff}button{background-color:#f9f9f9;color:#213547}}