/* 登录页面样式 */
* {
    margin: 0;
    padding: 0;
    box-sizing: border-box;
}

body {
    font-family: -apple-system, BlinkMacSystemFont, 'Segoe UI', PingFang SC, Microsoft YaHei, sans-serif;
    background: linear-gradient(135deg, #667eea 0%, #764ba2 100%);
    min-height: 100vh;
    display: flex;
    align-items: center;
    justify-content: center;
}

.login-wrapper {
    width: 100%;
    padding: 20px;
}

.login-box {
    max-width: 420px;
    margin: 0 auto;
    background: #fff;
    border-radius: 12px;
    box-shadow: 0 10px 40px rgba(0, 0, 0, 0.2);
    overflow: hidden;
}

.login-header {
    background: linear-gradient(135deg, #667eea 0%, #764ba2 100%);
    padding: 40px 30px;
    text-align: center;
    color: #fff;
}

.login-header h1 {
    font-size: 28px;
    font-weight: 600;
    margin-bottom: 8px;
}

.login-header p {
    font-size: 14px;
    opacity: 0.9;
}

.login-form {
    padding: 30px;
}

.layui-form-item {
    position: relative;
    margin-bottom: 22px;
}

.layui-form-item .layui-icon {
    position: absolute;
    left: 12px;
    top: 12px;
    font-size: 20px;
    color: #999;
}

.login-form .layui-input {
    padding-left: 40px;
    height: 46px;
    border-radius: 6px;
    border: 1px solid #e6e6e6;
    font-size: 14px;
}

.login-form .layui-input:focus {
    border-color: #667eea;
    box-shadow: 0 0 0 2px rgba(102, 126, 234, 0.1);
}

.captcha-img {
    height: 40px;
    width: 100%;
    border-radius: 4px;
    cursor: pointer;
    border: 1px solid #e6e6e6;
}

.layui-btn-fluid {
    height: 46px;
    border-radius: 6px;
    background: linear-gradient(135deg, #667eea 0%, #764ba2 100%);
    border: none;
    font-size: 16px;
    font-weight: 500;
}

.layui-btn-fluid:hover {
    background: linear-gradient(135deg, #5a6fd6 0%, #6a4190 100%);
}

.login-footer {
    text-align: center;
    padding: 15px 30px;
    background: #fafafa;
    border-top: 1px solid #eee;
    font-size: 12px;
    color: #999;
}