/* 灯笼样式 */
.lantern {
    position: relative;
    width: 80px;
    height: 100px;
    background: #c0392b;
    border-radius: 50% 50% 40% 40%;
    box-shadow: 0 0 25px rgba(192, 57, 43, 0.8);
    animation: swing 2.5s infinite ease-in-out;
    transform-origin: top center;
}
.lantern-top {
    position: absolute;
    top: -10px;
    left: 50%;
    transform: translateX(-50%);
    width: 30px;
    height: 12px;
    background: #f1c40f;
    border-radius: 5px 5px 0 0;
}
.lantern-bottom {
    position: absolute;
    bottom: -12px;
    left: 50%;
    transform: translateX(-50%);
    width: 40px;
    height: 14px;
    background: #f1c40f;
    border-radius: 0 0 5px 5px;
}
.lantern-tassel {
    position: absolute;
    bottom: -25px;
    left: 50%;
    transform: translateX(-50%);
    width: 3px;
    height: 30px;
    background: #e67e22;
}
.lantern-text {
    position: absolute;
    top: 50%;
    left: 50%;
    transform: translate(-50%, -50%);
    color: #FFD700;          /* 金黄色 */
    font-size: 42px;
    font-weight: bold;
    font-family: "SimSun", "Microsoft YaHei", serif;
    text-shadow: 0 0 8px rgba(255, 215, 0, 0.8);
}
.lantern-container {
    position: fixed;
    top: 30px;
    z-index: 9999;
    pointer-events: none;
}
.lantern-left {
    left: 20px;
}
.lantern-right {
    right: 20px;
}
@keyframes swing {
    0% { transform: rotate(0deg); }
    25% { transform: rotate(10deg); }
    75% { transform: rotate(-10deg); }
    100% { transform: rotate(0deg); }
}
.spring-banner {
    position: fixed;
    top: 0;
    left: 0;
    width: 100%;
    height: 60px;
    background: linear-gradient(135deg, #c0392b, #e67e22, #f39c12);
    color: #FFD700; 
    text-align: center;
    line-height: 60px;
    font-size: 28px;
    font-weight: bold;
    letter-spacing: 4px;
    z-index: 9998;
    box-shadow: 0 4px 15px rgba(0,0,0,0.2);
    border-bottom: 2px solid #FFD700;
    text-shadow: 2px 2px 4px rgba(0,0,0,0.3);
}
/* 烟花画布样式 */
#fireworksCanvas {
    position: fixed;
    top: 0;
    left: 0;
    width: 100vw;
    height: 100vh;
    display: block;
    z-index: 1;
    pointer-events: none;   /* 鼠标穿透，不影响下方原有内容 */
    background: transparent;
}