body{margin:0;font-family:sans-serif;background-color:#f9f9f9}.header{display:flex;align-items:center;justify-content:space-between;padding:12px 16px;background-color:#fff;border-bottom:1px solid #e0e0e0;position:sticky;top:0;z-index:10}.logo{font-weight:700;font-size:1.25rem;color:#111}.logo a{text-decoration:none}.search-bar input{padding:6px 12px;border:1px solid #ccc;border-radius:8px;min-width:200px}.right-section{display:flex;align-items:center;gap:16px}.wallet{font-size:.9rem;color:#444}.icon-btn{background:none;border:none;cursor:pointer;font-size:1.25rem}.profile-img{width:32px;height:32px;border-radius:50%;object-fit:cover}.tab-menu{display:flex;justify-content:space-around;background:#fff;border-bottom:1px solid #e0e0e0;padding:10px}.tab-menu span{font-size:.95rem;cursor:pointer;color:#555}.tab-menu span:hover{color:#111;font-weight:700}.bottom-nav{position:fixed;bottom:0;left:0;right:0;background-color:#fff;border-top:1px solid #ddd;display:flex;justify-content:space-around;padding:10px 0}.bottom-nav a{text-decoration:none;font-size:1rem;color:#666;cursor:pointer}.container{max-width:900px;margin:30px auto;background:#fff;box-shadow:0 0 10px #0000001a;padding:24px}.header{display:flex;justify-content:space-between;align-items:center;margin-bottom:24px}.header-left a{text-decoration:none;color:#007bff;font-size:16px}.header-right{font-size:14px;color:#444}