/* reset */
* {
    margin: 0;
    padding: 0;
    box-sizing: border-box;
}

body {
    font-family: system-ui, sans-serif; /* 使用系统字 */
    overflow: hidden; /* 防止滚动条 */
    display: flex;
    flex-direction: column;
    height: 100vh;
    position: relative; /* 确保悬浮条的位置不会被遮挡 */
}

/* 背景图 */
.background {
    position: relative;
    flex: 1;
    background-color: black;
    overflow: hidden;
    z-index: 0; /* 确保背景图在悬浮条之下 */
}

.background img {
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    object-fit: cover; /* 适配大小，不拉伸 */
}

/* 上方悬浮条 */
.top-bar {
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 110px;
    background-color: rgba(0, 0, 0, 0.5); /* 半透明黑色 */
    display: flex;
    justify-content: space-between;
    align-items: center;
    padding: 0 50px;
    z-index: 1; /* 确保悬浮条在背景图之上 */
}

.logo {
    width: 108px;
    height: 108px;
}

.home {
    color: white;
    font-size: 40px;
    text-decoration: none;
}

/* 下方悬浮条 */
.bottom-bar {
    position: absolute;
    bottom: 0;
    left: 0;
    width: 100%;
    height: 110px;
    background-color: rgba(0, 0, 0, 0.5); /* 半透明黑色 */
    display: flex;
    justify-content: center;
    align-items: center;
    padding: 0 50px;
    z-index: 1; /* 确保悬浮条在背景图之上 */
}

.center-content {
    display: flex;
    flex-direction: column;
    align-items: center;
}

.bottom-bar .left-content {
    display: flex;
    align-items: center;
}

.bottom-bar .right-content {
    display: flex;
    align-items: center;
}

.link {
    color: white;
    font-size: 24px;
    text-decoration: none;
}

.link + span {
    margin: 0 10px;
    color: white;
}

.bottom-bar p {
    color: #b4b4b4;
    font-size: 30px;
    margin: 0;
}

/* 中间区域文字容器 */
.content-container {
    position: relative;
    display: flex;
    justify-content: center;
    align-items: center;
    width: 100%;
    height: 100%;
    padding-left: 220px;
    color: white;
}

.content-text {
    font-size: 23px; /* 新增字号设置 */
    text-align: left;
    max-width: 50%;
    transform: translateX(20%);
    margin-left: 30px;
    max-height: 500px;
    overflow-y: auto;
}

/* 美化滚动条 */
.content-text::-webkit-scrollbar {
    width: 6px;
}

.content-text::-webkit-scrollbar-thumb {
    background: rgba(255,255,255,0.3);
    border-radius: 3px;
}

.content-text::-webkit-scrollbar-track {
    background: transparent;
}

/* 标题 */
.title {
    font-family: Roboto;
    font-weight: bold;
    font-size: 28px;
    margin-bottom: 18px;
}

/* 描述 */
.description {
    font-family: Roboto;
    font-size: 18px;
    line-height: 1.5;
    margin-bottom: 36px;
}

/* 奖励列表样式 */
.reward-list {
    margin: 18px 0;
    padding-left: 30px;
    list-style: decimal;
}

.reward-list li {
    font-size: 16px;
    margin-bottom: 16px;
    line-height: 1.5;
}