/* 全局样式重置 */
* {
    margin: 0;
    padding: 0;
    box-sizing: border-box;
}

body {
    font-family: "Microsoft YaHei", sans-serif;
    color: #333;
    line-height: 1.6;
    background-color: #f5f5f5;
}

/* 页头样式 */
header {
    background: #fff;
    box-shadow: 0 2px 5px rgba(0,0,0,0.1);
    padding: 20px 0;
    margin-bottom: 40px;
}

.logo {
    text-align: center;
    margin-bottom: 20px;
}

.logo h1 {
    color: #c41230;
    font-size: 32px;
}

/* 主要内容区样式 */
main {
    max-width: 500px;
    margin: 0 auto;
    padding: 0 20px 40px;
}

/* 登录表单容器 */
.login-container {
    background: #fff;
    border-radius: 8px;
    padding: 40px;
    box-shadow: 0 2px 10px rgba(0,0,0,0.1);
}

.login-container h2 {
    text-align: center;
    font-size: 28px;
    color: #333;
    margin-bottom: 30px;
    position: relative;
}

.login-container h2::after {
    content: "";
    display: block;
    width: 60px;
    height: 3px;
    background: #c41230;
    margin: 10px auto;
}

/* 表单样式 */
.login-form {
    max-width: 400px;
    margin: 0 auto;
}

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

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

.form-group input {
    width: 100%;
    padding: 12px;
    border: 1px solid #ddd;
    border-radius: 4px;
    font-size: 16px;
    transition: all 0.3s ease;
}

.form-group input:focus {
    border-color: #c41230;
    outline: none;
    box-shadow: 0 0 5px rgba(196,18,48,0.2);
}

/* 选项样式 */
.form-options {
    display: flex;
    justify-content: space-between;
    align-items: center;
    margin-bottom: 20px;
}

.checkbox-label {
    display: flex;
    align-items: center;
    gap: 8px;
    cursor: pointer;
}

.checkbox-label input[type="checkbox"] {
    margin-right: 8px;
}

.forget-pwd {
    color: #666;
    font-size: 14px;
    text-decoration: none;
}

.forget-pwd:hover {
    color: #c41230;
}

/* 按钮样式 */
.form-buttons {
    margin-bottom: 20px;
}

.btn-submit {
    width: 100%;
    padding: 12px;
    border: none;
    border-radius: 4px;
    background-color: #c41230;
    color: #fff;
    font-size: 16px;
    cursor: pointer;
    transition: all 0.3s ease;
}

.btn-submit:hover {
    background-color: #a00e26;
}

/* 注册链接 */
.register-link {
    text-align: center;
    color: #666;
}

.register-link a {
    color: #c41230;
    text-decoration: none;
    margin-left: 5px;
}

.register-link a:hover {
    text-decoration: underline;
}

/* 页脚样式 */
footer {
    background: #333;
    color: #fff;
    padding: 40px 0;
    text-align: center;
    margin-top: 60px;
}

.footer-nav {
    margin-bottom: 20px;
}

.footer-nav a {
    color: #fff;
    text-decoration: none;
    margin: 0 10px;
}

.footer-nav a:hover {
    color: #c41230;
}

.copyright {
    font-size: 14px;
    color: #999;
}

/* 响应式设计 */
@media (max-width: 768px) {
    .login-container {
        padding: 20px;
    }
}