body {
    background: url("../../img/t9.png") no-repeat center fixed;
    background-size: cover;
    background-color: rgba(100, 146, 235, 0.7);
    min-height: 100vh; 
    margin: 0;
    overflow-y: auto;
    padding-top: 95px;
    padding-bottom: 80px;
}
#myCanvas {
    background-color: #ffffff;
}
.wish_gallery {
    display: grid;
    grid-template-columns: 1fr 1fr;  /* 左右两列 */
    gap: 20px;
    max-height: 500px;
    overflow-y: auto;
    padding: 8px 4px;
}
.wish_wall {
    display: none;
    margin: 30px auto;
    max-width: 920px;
    padding: 30px 30px 20px;
    background: rgba(255, 255, 255, 0.92);
    backdrop-filter: blur(12px);
    border-radius: 20px;
    box-shadow: 0 20px 60px rgba(0, 0, 0, 0.2);
    animation: wallFadeIn 0.5s cubic-bezier(0.34, 1.56, 0.64, 1);
}
/* 关闭按钮 */
.btn_close_wall {
    display: block;
    margin: 18px auto 0;
    background: #888;
    color: #fff;
    border: none;
    border-radius: 20px;
    padding: 8px 32px;
    font-size: 15px;
    cursor: pointer;
    transition: all 0.3s ease;
}
.btn_close_wall:hover {
    background: #666;
    transform: scale(1.04);
}
.wish_actions {
    display: flex;
    justify-content: center;
    gap: 16px;
    flex-wrap: wrap;
    margin-top: 10px;
}