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

body {
    font-family: 'Segoe UI', Tahoma, Geneva, Verdana, sans-serif;
    line-height: 1.6;
    color: #333;
    background-color: #fff;
}

/* 头部样式 */
.site-header {
    background-color: #fff;
    box-shadow: 0 2px 5px rgba(0,0,0,0.1);
    position: sticky;
    top: 0;
    z-index: 100;
}

.header-container {
    max-width: 1200px;
    margin: 0 auto;
    display: flex;
    justify-content: space-between;
    align-items: center;
    padding: 15px 20px;
}

.logo img {
    height: 30px;
}

.desktop-nav ul {
    display: flex;
    list-style: none;
}

.desktop-nav li {
    margin: 0 15px;
}

.desktop-nav a {
    text-decoration: none;
    color: #333;
    font-size: 14px;
    font-weight: 500;
    text-transform: uppercase;
}

.header-icons a {
    margin-left: 15px;
    text-decoration: none;
    color: #333;
    font-size: 18px;
}

.mobile-menu-toggle {
    display: none;
    background: none;
    border: none;
    font-size: 24px;
    cursor: pointer;
}

/* 容器样式 */
.container {
    max-width: 1200px;
    margin: 0 auto;
    padding: 20px;
}

/* 产品横幅 */
.product-banner {
    text-align: center;
    margin: 20px 0 40px;
}

.product-banner h2 {
    color: #6b7a3d;
    font-size: 24px;
    font-weight: 500;
}

/* 表单包装器 - 新增 */
.warranty-form-wrapper {
    max-width: 1000px;
    margin: 0 auto;
    padding: 20px 0;
    position: relative;
}

/* 表单容器 */
.form-container {
    width: 100%;
    margin: 0 auto;
    background-color: #fff;
    border: 1px solid #e0e0e0;
    border-radius: 8px;
    padding: 20px;
    box-shadow: 0 1px 3px rgba(0, 0, 0, 0.05);
}

/* 表单行 - 新增 */
.form-row {
    display: flex;
    flex-wrap: wrap;
    margin: 0 -10px;
}

/* 表单样式 */
form {
    width: 100%;
}

.form-group {
    margin-bottom: 15px;
    padding: 0 10px;
    flex: 1;
    min-width: 200px;
}

.phone-group {
    flex: 0 0 50%;
}

label {
    display: block;
    margin-bottom: 5px;
    font-weight: 500;
    color: #333;
    font-size: 14px;
}

.required {
    color: #e74c3c;
}

input, select {
    width: 100%;
    padding: 10px;
    border: 1px solid #ddd;
    border-radius: 4px;
    font-size: 14px;
    transition: border-color 0.3s;
}

input:focus, select:focus {
    border-color: #6b7a3d;
    outline: none;
    box-shadow: 0 0 3px rgba(107, 122, 61, 0.2);
}

.hint {
    font-size: 12px;
    color: #777;
    margin-top: 3px;
}

.form-actions {
    margin-top: 20px;
    text-align: center;
    padding: 0 10px;
}

button {
    background-color: #6b7a3d;
    color: white;
    border: none;
    padding: 12px 20px; /* 增加内边距使按钮更大 */
    font-size: 16px; /* 增加字体大小 */
    border-radius: 4px;
    cursor: pointer;
    transition: background-color 0.3s;
    width: 100%;
    /* 移除max-width限制 */
}

button:hover {
    background-color: #5a6834;
}

/* 成功消息样式 */
.success-message {
    background-color: #f8f9fa;
    padding: 30px;
    border-radius: 8px;
    text-align: center;
}

.success-message h2 {
    margin-bottom: 15px;
    color: #6b7a3d;
}

.hidden {
    display: none;
}

/* 页脚样式 */
footer {
    margin-top: 50px;
    background-color: #f8f9fa;
    padding: 40px 0;
}

.footer-container {
    max-width: 1200px;
    margin: 0 auto;
    display: flex;
    justify-content: space-between;
    padding: 0 20px;
}

.footer-section {
    flex: 1;
    margin-right: 30px;
}

.footer-section:last-child {
    margin-right: 0;
}

.footer-section h3 {
    color: #333;
    margin-bottom: 20px;
    font-size: 18px;
}

.footer-section ul {
    list-style: none;
}

.footer-section li {
    margin-bottom: 10px;
}

.footer-section a {
    text-decoration: none;
    color: #666;
}

.footer-section p {
    color: #666;
    line-height: 1.6;
}

/* 响应式设计 - 电脑版 */
@media (min-width: 769px) {
    .form-container {
        padding: 30px;
    }
    
    .form-group {
        margin-bottom: 20px;
    }
}

/* 响应式设计 - 手机版 */
@media (max-width: 768px) {
    .header-container {
        padding: 10px 15px;
    }
    
    .desktop-nav {
        display: none;
    }
    
    .mobile-menu-toggle {
        display: block;
    }
    
    .header-icons {
        display: flex;
    }
    
    .container {
        padding: 10px;
    }
    
    .form-row {
        display: block;
        margin: 0;
    }
    
    .form-group {
        padding: 0;
    }
    
    .form-container {
        padding: 20px;
        box-shadow: none;
        border-radius: 0;
        border: none;
    }
    
    .product-banner {
        display: none;
    }
    
    .footer-container {
        flex-direction: column;
    }
    
    .footer-section {
        margin-right: 0;
        margin-bottom: 30px;
    }
    
    input, select {
        padding: 10px;
        font-size: 15px;
    }
    
    button {
        width: 100%;
        max-width: none;
    }
    
    .hint {
        font-size: 13px;
    }
    
    .phone-group {
        flex: 0 0 100%;
    }
}

@media (max-width: 480px) {
    .logo img {
        height: 25px;
    }
    
    .form-container {
        padding: 15px;
    }
    
    .form-group {
        margin-bottom: 15px;
    }
    
    label {
        font-size: 15px;
    }
}