*{margin:0;padding:0;box-sizing:border-box}body{font-family:-apple-system,BlinkMacSystemFont,Segoe UI,Roboto,sans-serif;background-color:#f5f5f5;min-height:100vh;display:flex;flex-direction:column}html{scroll-behavior:smooth}.navbar{position:fixed;top:0;width:100%;height:50px;background-color:#fff;display:flex;justify-content:space-between;align-items:center;padding:0 20px;box-shadow:0 2px 5px #0000001a;z-index:1000}.nav-left{display:flex;align-items:center;gap:15px;transform:translate(-50px);transition:transform .5s ease}.nav-left.visible{transform:translate(0)}.nav-avatar{width:35px;height:35px;border-radius:50%;object-fit:cover;opacity:0;transition:opacity .5s ease}.nav-avatar.visible{opacity:1}.nav-title{color:#339;font-size:1.2rem;font-weight:700}.menu-icon{display:block;cursor:pointer;padding:5px;z-index:1001}.bar{width:25px;height:2px;background-color:#000;margin:6px 0;transition:all .3s ease}.menu-icon.active .bar:nth-child(1){transform:rotate(-45deg) 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