body {  
    font-family: Arial, sans-serif; 
    background-color: #f4f4f4;
    margin: 0;  
    padding: 2vh;  
    background: url('2.png') no-repeat center center fixed;
    background-size: cover;
}  

.container {  
    width: auto;
    margin: auto;
    padding: 4vh;  /* 增加内边距 */
    border-radius: 0.8vw;  
    display: flex;
    flex-direction: column;
    justify-content: center;  
    height: auto;  /* 使容器高度自适应内容 */
}  

#particleCanvas {
    position: absolute;
    top: 0;
    left: 0;
    width: 100vw;
    height: 100vh;
    z-index: 10;  
    pointer-events: none;  
}

.tooltip {  
    display: none;  
    position: absolute;  
    background-color: #555;  
    color: #fff;  
    text-align: center;  
    border-radius: 5px;  
    padding: 5px;  
    z-index: 1;  
}

.star-number {
    position: absolute;
    background: rgba(255, 255, 255, 0.8);
    color: black;
    border-radius: 0.5vw;
    padding: 0.2vh 0.5vw;
    font-size: 1.2vh;
    margin-top: -2.5vh; 
    margin-left: -1vw; 
    transition: opacity 0.3s;
}

.rating {
    display: flex;
    justify-content: center;
    flex-direction: row-reverse;
    font-family: "Ionicons";
}

.rating input {
    opacity: 0;
    -webkit-appearance: none;
    -moz-appearance: none;
    appearance: none;
}

.rating input:checked ~ label::before {
    opacity: 1;
}

.rating label {
    position: relative;
    margin-right: 0.6vw;
    font-size: 6vw;  /* 增大评分星星 */
    color: gold;
    cursor: pointer;
    transition: 0.5s;
}

.rating label:hover {
    -webkit-transform: scale(1.2);
    transform: scale(1.2);
}

.rating label::before {
    position: absolute;
    content: "\f384";
    opacity: 0;
    transition: 0.5s;
}

.rating label:hover::before, .rating label:hover ~ label::before {
    opacity: 1 !important;
}

.rating:hover input:checked ~ label::before {
    opacity: 0;
}

h1 {  
    font-family: "Zhi Mang Xing", cursive;
    text-align: left;  
    color: #333;
    font-size: 6vw;  /* 增大标题字体 */
    margin-top: 0.1vh;
    position: fixed;
}  

button {  
    background-color: rgba(220, 220, 220, 0.8); /* 添加淡灰色背景 */
    color: #333;  /* 深色字体 */
    font-family: "Ma Shan Zheng", cursive;
    font-size: 2.5vh;
    font-weight: bold;
    border: 0.1vw solid rgba(0, 0, 0, 0.2); /* 半透明边框 */
    padding: 1.5vh 2.5vw; /* 增大内边距 */
    border-radius: 1vw; /* 圆角 */
    cursor: pointer;  
    margin: 1vh 0.5vw;  
    transition: background-color 0.3s, transform 0.3s; /* 添加变换效果 */
    box-shadow: 0 0.4vw 0.8vw rgba(0, 0, 0, 0.1); /* 轻微的阴影 */  
}  

button:hover {  
    background-color: rgba(192, 191, 191, 0.9); /* 鼠标悬停时稍微加深背景 */
    transform: translateY(-0.2vh); /* 鼠标悬停时稍微上升 */  
    box-shadow: 0 1.2vw 1.6vw 0 rgba(0, 0, 0, 0.24), 0 1.7vw 5vw 0 rgba(0, 0, 0, 0.19);
}  

input[type="file"],  
input[type="text"] {  
    width: 100%;  
    padding: 1.5vh;  /* 增加输入框内边距 */
    font-size: 1.1vh;  /* 增大输入框字体 */
    margin: 1vh 0;  
    border: 0.1vw solid #ccc;  
    border-radius: 0.5vw;  
}  

.long-cang-regular {
    font-family: "Long Cang", cursive;
    font-weight: 400;
    font-style: normal;
}

#selectedStudent {  
    font-size: 3.2vh;  /* 增大选中学生字体 */
    font-family: "Ma Shan Zheng", cursive;
    text-align: center;  
    margin-top: 2vh;  
    color: #2f2f35;  
    transition: transform 0.5s;  
    position: absolute;
    top: 25vh;
    left: 50%; 
    transform: translateX(-50%); 
}  

#studentList { 
    font-family: "Ma Shan Zheng", cursive; 
    font-weight: bold;
    font-size: 2.5vh;
    margin-top: 8.5vh;  
}  

.student-item {  
    background: #f8f9fa;  
    border: 0.1vw solid #ddd;  
    border-radius: 0.5vw;  
    padding: 1vh;  
    margin: 0.5vh 0;  
    font-size: 3vw;  /* 增大学生列表字体 */
    transition: background-color 0.3s;  
}  

.student-item:hover {  
    background-color: #e2e6ea;  
}  

.file-upload {  
    font-size: 2.5vh;
    display: flex;  
    justify-content: flex-end;  
    align-items: center;  
    width: 100%;  
    margin-bottom: 1vh;  
}  

.file-label {  
    display: inline-block;  
    padding: 1vh 1.5vw;  /* 增加文件标签内边距 */
    border: 0.1vw solid #ccc;  
    border-radius: 0.4vw;  
    cursor: pointer;  
    margin-right: 1vh;  
}  

.file-label :hover{
    background-color: rgba(161, 159, 159, 0.9); /* 鼠标悬停时稍微加深背景 */
    transform: translateY(-0.2vh); /* 鼠标悬停时稍微上升 */  
    box-shadow: 0 1.2vw 1.6vw 0 rgba(0, 0, 0, 0.24), 0 1.7vw 5vw 0 rgba(0, 0, 0, 0.19);
}

.file-label input {  
    display: none;  
}  

#fileName {  
    margin-right: 1vh;  
}  

.button-row {  
    display: flex;  
    justify-content: center;  
    margin: 2.5vh 0;  
}  

.view-student-row {  
    position: absolute;  
    bottom: 2vh;  
    right: 2vw;  
    display: flex;  
    justify-content: flex-end;  
}

#scrollingNames {
    font-size: 5vh;  
    margin: 2vh 0;  
    text-align: center;  
    width: 100%;  
    overflow: hidden;  
    position: absolute;
    top: 25vh;
    left: 50%; 
    transform: translateX(-50%); 
}

.hidden {
    opacity: 0;
    visibility: hidden;
    transition: opacity 1s ease-in-out, visibility 1s ease-in-out;
}