/* 页面基础样式 */
body {
    margin: 0;
    padding: 0;
    background: #f5f5f5;
    min-height: 100vh;
    font-family: Arial, sans-serif;
}

/* 动态背景粒子效果 */
.bg-animation {
    position: fixed;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    overflow: hidden;
    z-index: 1;
    pointer-events: none;
}

.particle {
    position: absolute;
    background: linear-gradient(135deg, rgba(74, 144, 226, 0.1), rgba(80, 200, 120, 0.05));
    border-radius: 50%;
    animation: float 8s ease-in-out infinite;
}

.particle:nth-child(1) { width: 120px; height: 120px; left: 10%; top: 20%; animation-delay: 0s; }
.particle:nth-child(2) { width: 80px; height: 80px; left: 80%; top: 15%; animation-delay: 2s; }
.particle:nth-child(3) { width: 100px; height: 100px; left: 15%; top: 70%; animation-delay: 4s; }
.particle:nth-child(4) { width: 60px; height: 60px; left: 75%; top: 75%; animation-delay: 1s; }
.particle:nth-child(5) { width: 140px; height: 140px; left: 45%; top: 10%; animation-delay: 3s; }
.particle:nth-child(6) { width: 50px; height: 50px; left: 30%; top: 50%; animation-delay: 5s; }

@keyframes float {
    0%, 100% { 
        transform: translateY(0px) translateX(0px) scale(1); 
        opacity: 0.3; 
    }
    50% { 
        transform: translateY(-30px) translateX(20px) scale(1.1); 
        opacity: 0.5; 
    }
}

/* Logo区域 */
.wst-lo-top {
    text-align: center;
    padding: 30px 0 20px 0;
    position: relative;
    z-index: 10;
}

.login_logo img {
    max-height: 60px;
    max-width: 200px;
}

/* 主要内容区域 - 居中显示 */
.wst-lo-center {
    display: flex;
    justify-content: center;
    align-items: center;
    min-height: calc(100vh - 200px);
    padding: 20px;
    position: relative;
    z-index: 10;
}

.wst-lo {
    display: flex;
    justify-content: center;
    align-items: center;
}

.login-wrapper {
    position: relative;
}

/* 隐藏不需要的背景元素 */
.boxbg2 {
    display: none;
}

/* 登录框样式 */
.box {
    background: rgba(255, 255, 255, 0.95);
    border-radius: 12px;
    box-shadow: 0 15px 35px rgba(0, 0, 0, 0.1);
    padding: 40px;
    backdrop-filter: blur(10px);
    border: 1px solid rgba(255, 255, 255, 0.2);
    max-width: 400px;
    width: 100%;
    position: relative;
    z-index: 10;
}

/* 表单标题 */
.login-title {
    font-size: 24px;
    font-weight: bold;
    color: #333;
    margin-bottom: 30px;
    text-align: center;
}

/* 登录框 */
.login-box {
    margin-bottom: 20px;
}

.login-box > div {
    margin-bottom: 15px;
    position: relative;
}

/* 输入框样式 */
.ipt {
    width: 100%;
    padding: 12px 15px 12px 45px;
    border: 1px solid #ddd;
    border-radius: 8px;
    font-size: 14px;
    background: rgba(255, 255, 255, 0.9);
    box-sizing: border-box;
}

.ipt:focus {
    border-color: #4a90e2;
    outline: none;
    box-shadow: 0 0 8px rgba(74, 144, 226, 0.3);
}

/* 登录图标 */
.login-icon1, .login-icon2, .login-icon3 {
    position: absolute;
    left: 15px;
    top: 50%;
    transform: translateY(-50%);
    width: 16px;
    height: 16px;
    background-size: contain;
    background-repeat: no-repeat;
    z-index: 1;
}

/* 验证码区域 */
.frame {
    display: flex;
    gap: 10px;
    align-items: center;
}

.frame .ipt {
    flex: 1;
}

.text2 {
    flex: 1;
}

#verifyImg {
    height: 40px;
    border-radius: 5px;
    cursor: pointer;
    border: 1px solid #ddd;
}

/* 登录按钮 */
.layui-btn-big {
    width: 100%;
    height: 45px;
    background: linear-gradient(135deg, #4a90e2, #50c878);
    border: none;
    border-radius: 8px;
    color: white;
    font-size: 16px;
    font-weight: bold;
    cursor: pointer;
    margin-top: 20px;
    transition: all 0.3s ease;
}

.layui-btn-big:hover {
    transform: translateY(-1px);
    box-shadow: 0 5px 15px rgba(74, 144, 226, 0.4);
}

/* 其他链接 */
.other-link {
    text-align: center;
    margin-top: 15px;
}

.other-link a {
    color: #666;
    text-decoration: none;
    font-size: 13px;
    margin: 0 10px;
}

.other-link a:hover {
    color: #4a90e2;
}

/* 底部区域 */
.login-footer {
    text-align: center;
    padding: 20px;
    font-size: 12px;
    color: #666;
    position: relative;
    z-index: 10;
}

.login-footer a {
    color: #999;
    text-decoration: none;
}

.login-footer a:hover {
    color: #4a90e2;
}

/* 响应式设计 */
@media (max-width: 768px) {
    .box {
        padding: 30px 20px;
        margin: 10px;
        max-width: 90%;
    }
    
    .wst-lo-center {
        min-height: calc(100vh - 150px);
        padding: 10px;
    }
    
    .login_logo img {
        max-height: 50px;
    }
    
    .login-title {
        font-size: 20px;
        margin-bottom: 25px;
    }
}