* {
    margin: 0;
    padding: 0;
    box-sizing: border-box;
    font-family: "Microsoft YaHei", sans-serif;
}

body {
    background: linear-gradient(135deg, #1a6dba, #4a90e2);
    height: 100vh;
    display: flex;
    justify-content: center;
    align-items: center;
}

.login-container {
    background: white;
    border-radius: 10px;
    box-shadow: 0 10px 30px rgba(0, 0, 0, 0.3);
    width: 400px;
    max-width: 90%;
    padding: 40px;
}

.login-header {
    text-align: center;
    margin-bottom: 30px;
}

.login-header h1 {
    color: #1a6dba;
    font-size: 24px;
    margin-bottom: 10px;
}

.login-header p {
    color: #666;
    font-size: 14px;
}

.form-group {
    margin-bottom: 20px;
}

.form-group label {
    display: block;
    margin-bottom: 8px;
    color: #333;
    font-weight: bold;
    font-size: 14px;
}

.form-group input {
    width: 100%;
    padding: 12px;
    border: 1px solid #ddd;
    border-radius: 5px;
    font-size: 14px;
    transition: border-color 0.3s;
}

.form-group input:focus {
    border-color: #1a6dba;
    outline: none;
}

.login-btn {
    width: 100%;
    padding: 12px;
    background: #1a6dba;
    color: white;
    border: none;
    border-radius: 5px;
    font-size: 16px;
    cursor: pointer;
    transition: background 0.3s;
}

.login-btn:hover {
    background: #155a9d;
}

.error-message {
    color: #e74c3c;
    text-align: center;
    margin-top: 15px;
    font-size: 14px;
    display: none;
}

.security-notice {
    text-align: center;
    margin-top: 20px;
    font-size: 12px;
    color: #999;
}

* {
    margin: 0;
    padding: 0;
    box-sizing: border-box;
    font-family: "Microsoft YaHei", sans-serif;
}

body {
    background: linear-gradient(135deg, rgba(26, 109, 186, 0.8), rgba(74, 144, 226, 0.8)), 
                url('../images/login-bg.jpg') center/cover no-repeat;
    height: 100vh;
    display: flex;
    justify-content: center;
    align-items: center;
    position: relative;
}

/* 添加模糊效果（可选） */
body::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    background: inherit;
    filter: blur(2px);
    z-index: -1;
}

.login-container {
    background: rgba(255, 255, 255, 0.95);
    border-radius: 10px;
    box-shadow: 0 10px 30px rgba(0, 0, 0, 0.3);
    width: 400px;
    max-width: 90%;
    padding: 40px;
    backdrop-filter: blur(5px);
    position: relative;
    z-index: 1;
}

/* 其他样式保持不变 */
.login-header {
    text-align: center;
    margin-bottom: 30px;
}

.login-header h1 {
    color: #1a6dba;
    font-size: 24px;
    margin-bottom: 10px;
}

/* ... 其余样式保持不变 ... */