/* =========================================
   CONTACT 页面专属样式
   ========================================= */

.contact-section {
    padding: 160px 0 100px; /* 顶部预留导航栏空间 */
    background-color: #ffffff;
}

.contact-container {
    display: flex;
    justify-content: space-between;
    gap: 80px;
    align-items: flex-start;
}

/* --- 左侧：联系方式 --- */
.contact-left {
    flex: 0 0 45%;
    max-width: 45%;
}

.info-block {
    margin-bottom: 60px;
}

.info-title {
    font-size: 32px;
    font-weight: 300;
    margin-bottom: 20px;
    text-transform: uppercase;
    letter-spacing: 1px;
    color: #333;
}

.info-text {
    font-size: 16px;
    line-height: 1.8;
    color: #555;
    font-weight: 300;
}

/* --- 右侧：提案信息 --- */
.contact-right {
    flex: 1;
    padding-top: 10px; /* 轻微下移，与左侧 EMAIL 标题视觉对齐 */
}

.intro-text {
    font-size: 16px;
    line-height: 1.8;
    color: #555;
    margin-bottom: 50px;
    font-weight: 300;
}

.list-block {
    margin-bottom: 50px;
}

.list-title {
    font-size: 18px;
    font-weight: 600;
    margin-bottom: 20px;
    color: #333;
    text-transform: uppercase;
}

.list-subtitle {
    font-size: 15px;
    color: #555;
    margin-bottom: 20px;
    font-weight: 300;
}

/* 圆点列表 */
.bullet-list {
    list-style: none;
    padding-left: 0;
}

.bullet-list li {
    position: relative;
    padding-left: 20px;
    font-size: 15px;
    line-height: 2;
    color: #555;
    font-weight: 300;
}

/* 自定义圆点 */
.bullet-list li::before {
    content: "•";
    position: absolute;
    left: 0;
    color: #333;
    font-size: 18px;
    line-height: 1.6;
}

/* =========================================
   响应式适配
   ========================================= */
@media (max-width: 1024px) {
    .contact-container {
        gap: 50px;
    }
    .contact-left {
        flex: 0 0 40%;
        max-width: 40%;
    }
    .info-title { font-size: 26px; }
    .info-text { font-size: 15px; }
    .intro-text { font-size: 15px; }
    .list-title { font-size: 16px; }
}

@media (max-width: 768px) {
    .contact-section {
        padding: 100px 0 60px;
    }
    .contact-container {
        flex-direction: column; /* 上下排列 */
        gap: 40px;
    }
    .contact-left, .contact-right {
        flex: 0 0 100%;
        max-width: 100%;
        width: 100%;
    }
    .info-block { margin-bottom: 40px; }
    .info-title { font-size: 24px; }
    .info-text { font-size: 14px; }
    .intro-text { font-size: 14px; margin-bottom: 40px; }
    .list-block { margin-bottom: 40px; }
    .list-title { font-size: 16px; }
    .bullet-list li { font-size: 14px; line-height: 1.8; }
}

/* =========================================
   CONTACT 表单样式
   ========================================= */

.contact-form-wrapper {
    max-width: 900px; margin:auto;
    margin-top: 100px; /* 与上方联系方式模块拉开距离 */
}

/* 每一行 */
.form-row {
    display: flex;
    gap: 40px;
    margin-bottom: 30px;
}

/* 每个输入框组 */
.form-group {
    flex: 1; /* 默认平分宽度 */
    display: flex;
    flex-direction: column;
}

/* 单列全宽 */
.form-group-full {
    flex: 0 0 100%;
    max-width: 100%;
}

/* 标签文字 */
.form-group label {
    font-size: 15px;
    font-weight: 400;
    color: #333;
    margin-bottom: 10px;
}

/* 输入框和文本域 */
.form-group input,
.form-group textarea {
    width: 100%;
    border: 1px solid #e0e0e0;
    background-color: #ffffff;
    padding: 12px 15px;
    font-size: 15px;
    font-family: var(--font-main);
    color: #333;
    outline: none;
    transition: border-color 0.3s ease;
}

.form-group input:focus,
.form-group textarea:focus {
    border-color: #1a1a1a; /* 聚焦时边框变黑 */
}

/* Message 文本域 */
.form-group textarea {
    resize: vertical; /* 允许用户垂直拖拽调整高度 */
    min-height: 150px;
}

/* 提交按钮区域 */
.form-submit {
    display: flex;
    justify-content: center; /* 居中 */
    margin-top: 40px;
}

.form-submit button {
    background-color: #1a1a1a;
    color: #ffffff;
    border: none;
    padding: 14px 60px;
    font-size: 16px;
    font-weight: 400;
    letter-spacing: 1px;
    cursor: pointer;
    transition: background-color 0.3s ease;
    font-family: var(--font-main);
}

.form-submit button:hover {
    background-color: #333333; /* 悬停时稍微变浅 */
}

/* =========================================
   表单响应式适配
   ========================================= */
@media (max-width: 768px) {
    .contact-form-wrapper {
        margin-top: 60px;
    }
    
    /* 手机端：每一行变成上下排列 */
    .form-row {
        flex-direction: column;
        gap: 20px;
        margin-bottom: 20px;
    }
    
    .form-group {
        flex: 0 0 100%;
    }
    
    .form-group label {
        font-size: 14px;
        margin-bottom: 8px;
    }
    
    .form-group input,
    .form-group textarea {
        padding: 10px 12px;
        font-size: 14px;
    }
    
    .form-submit button {
        width: 100%; /* 手机端按钮变全宽 */
        padding: 14px 0;
    }
}