:root {
  --logo: #409eff;
  --main-container: #009cff;
  --font: #333;
  --a: #333;
  --pc-width: 35%;
  --main-bg: #b41ba77e;
  --second-bg: #7251cb;
  --color: #3717ae;
  --footer: #333;
}

* {
  box-sizing: border-box;
}

body {
  line-height: 1.6;
  position: relative;
  min-height: 100vh;
  margin: 0;
  color: var(--font);
  background: #fff;
  background-size: contain;
}
html {
  font-size: 16px;
}
a {
  line-height: 20px;
  text-decoration: none;
  color: var(--a);
}

a:hover,
a:active {
  text-decoration: none;
}

strong {
  font-weight: bolder;
}

.fx-r {
  display: flex;
  flex-direction: row;
}

.fx-h {
  display: flex;
  flex-direction: column;
}

.fx-ac {
  justify-content: center;
}

.fx-bc {
  align-items: center;
}

/* 定义全局滚动条样式 */
::-webkit-scrollbar {
  width: 6px;
  height: 6px;
}

::-webkit-scrollbar-track {
  border-radius: 4px;
  background: #f1f1f1;
}

::-webkit-scrollbar-thumb {
  border-radius: 4px;
  background: #c1c1c1;
}

::-webkit-scrollbar-thumb:hover {
  background: #a8a8a8;
}

/* 回到顶部按钮样式 */
#back-to-top {
  font-size: 24px;
  position: fixed;
  right: 20px;
  bottom: 40%;
  display: none;
  align-items: center;
  justify-content: center;
  width: 40px;
  height: 40px;
  cursor: pointer;
  transition: opacity 0.3s;
  color: white;
  border: none;
  border-radius: 50%;
  background: var(--main-bg);
}

#back-to-top:hover {
  opacity: 0.8;
}

.game {
  z-index: 1;
  position: absolute;
  width: 100%;
  height: 100vh;
  top: 0;
  background-color: rgba(0, 0, 0, 1);

  iframe {
    width: 100%;
    height: 100%;
    border: none;
  }
}

.back {
  z-index: 2;
  position: absolute;
  top: 5px;
  left: 5px;
  padding: 4px 10px;
  background-color: #fff;
  border-top-right-radius: 10px;
  border-bottom-right-radius: 10px;

  img {
    width: 10px;
    height: 10px;
    cursor: pointer;
    background-size: 100% 100%;
  }
}

.logo_container input {
}
.logo_container img {
}

.main_container {
}

@media (max-width: 768px) {
}