/* ==================== 登录页专用样式 ==================== */

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

body {
    background: linear-gradient(135deg, #667eea 0%, #764ba2 100%);
    min-height: 100vh;
    display: flex;
    flex-direction: column;
    justify-content: center;
    align-items: center;
    position: relative;
    padding-bottom: 60px;
}

.login-container {
    width: 100%;
    max-width: 400px;
    padding: 20px;
}

.login-box {
    background: rgba(255, 255, 255, 0.95);
    border-radius: 20px;
    padding: 40px;
    box-shadow: 0 15px 35px rgba(0, 0, 0, 0.2);
    backdrop-filter: blur(10px);
}

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

.logo i {
    font-size: 48px;
    color: #667eea;
}

.logo h1 {
    color: #333;
    margin-top: 10px;
    font-size: 24px;
}

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

.input-group label {
    display: block;
    margin-bottom: 8px;
    color: #555;
    font-weight: 500;
}

.input-group input {
    width: 100%;
    padding: 12px 15px;
    border: 2px solid #e1e1e1;
    border-radius: 10px;
    font-size: 16px;
    transition: all 0.3s;
}

.input-group input:focus {
    outline: none;
    border-color: #667eea;
    box-shadow: 0 0 0 3px rgba(102, 126, 234, 0.1);
}

.login-btn {
    width: 100%;
    padding: 12px;
    background: linear-gradient(135deg, #667eea 0%, #764ba2 100%);
    border: none;
    border-radius: 10px;
    color: white;
    font-size: 16px;
    font-weight: 600;
    cursor: pointer;
    transition: transform 0.3s;
}

.login-btn:hover {
    transform: translateY(-2px);
}

.hint {
    margin-top: 20px;
    padding: 15px;
    background: #f8f9fa;
    border-radius: 10px;
    font-size: 14px;
    color: #666;
}

.hint i {
    color: #667eea;
    margin-right: 5px;
}

.hint-item {
    margin: 8px 0;
    display: flex;
    align-items: center;
}

.footer {
    position: fixed;
    bottom: 0;
    left: 0;
    right: 0;
    text-align: center;
    padding: 15px;
    color: rgba(255, 255, 255, 0.9);
    font-size: 14px;
    background: transparent;
    z-index: 1000;
    margin-top: 20px;
    font-size: 12px;
}

.footer a {
    color: white;
    text-decoration: none;
}

.error-message {
    color: #e74c3c;
    font-size: 14px;
    margin-top: 10px;
    text-align: center;
    min-height: 20px;
}

.loading {
    display: none;
    text-align: center;
    margin-top: 20px;
}

.loading i {
    color: #667eea;
    font-size: 24px;
}