/* =========================================================
主菜单
========================================================= */

#main-menu {
width: 100vw;
height: 100vh;
padding: 0 20px 20px 0;

display: flex;
flex-direction: column;
align-items: flex-end;
justify-content: flex-end;
gap: 5px;

overflow: hidden;
background: var(--bg);
}

#main-menu.is-hidden {
display: none;
}

#main-menu button {
width: 200px;
height: 60px;
padding: 0;

flex: 0 0 60px;

border: 5px solid #000000;
border-radius: 0;

background-position: center;
background-repeat: no-repeat;
background-size: 100% 100%;

cursor: pointer;
appearance: none;
-webkit-appearance: none;
}

#main-menu button:hover,
#main-menu button:focus-visible {
outline: none;
}

#main-menu button:disabled {
cursor: default;
opacity: 0.5;
}

#main-menu-continue {
background-image: url("image/UI/继续游戏.png");
}

#main-menu-start {
background-image: url("image/UI/开始游戏.png");
}

#main-menu-winlist {
background-image: url("image/UI/通关成就.png");
}

@media (max-width: 760px) {
#main-menu {
width: 720px;
min-width: 720px;
}
}