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

html, body {
    width: 100%;
    height: 100%;
    overflow: hidden;
}

#main-container {
    position: relative;
    width: 100%;
    height: 100%;
    display: flex;
    flex-direction: column;
}

#image-container {
    width: 100%;
    height: 100%;
    flex: 1;
}

#image-container img {
    width: 100%;
    height: 100%;
    object-fit: cover; /* 确保图片填满容器且不变形 */
    display: block;
    cursor: pointer;
}

#countdown {
    position: fixed;
    bottom: 20px;
    right: 20px;
    background-color: rgba(0, 0, 0, 0.6);
    color: white;
    padding: 10px 15px;
    border-radius: 5px;
    font-size: 16px;
    z-index: 100;
}

#countdown-number {
    font-weight: bold;
    margin-right: 5px;
}

.hidden {
    display: none;
}

/* 安全验证提示样式 */
#security-badge {
    position: fixed;
    top: 0;
    left: 0;
    width: 100%;
    background-color: rgba(240, 255, 240, 0.9);
    color: #2d8d2d;
    font-size: 14px;
    padding: 8px 15px;
    text-align: left;
    z-index: 1000;
    box-shadow: 0 1px 3px rgba(0, 0, 0, 0.1);
}

.security-icon {
    display: inline-block;
    width: 18px;
    height: 18px;
    background-color: #2d8d2d;
    color: white;
    border-radius: 50%;
    text-align: center;
    line-height: 18px;
    margin-right: 5px;
    font-weight: bold;
    font-family: Arial, sans-serif;
    font-size: 12px;
}