/* 基础样式重置与全局设置 */
* {
    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: #f8f9fa;
}

.container {
    width: 100%;
    max-width: 1200px;
    margin: 0 auto;
    padding: 0 20px;
}

a {
    text-decoration: none;
    color: inherit;
}

ul {
    list-style: none;
}

img {
    max-width: 100%;
    height: auto;
}

.section {
    padding: 80px 0;
}

/* 为什么要有官网区域 - 淡蓝色背景 */
.why-website {
    background-color: rgba(240, 248, 255, 0.7);
}

/* 我们的核心优势区域 - 淡绿色背景 */
.core-advantages {
    background-color: rgba(240, 255, 244, 0.7);
}

/* 联系我们区域 - 淡紫色背景 */
.contact-us {
    background-color: rgba(250, 240, 255, 0.7);
}

.section-title {
    text-align: center;
    margin-bottom: 60px;
}

.section-title h2 {
    font-size: 2.5rem;
    font-weight: 700;
    color: #2c3e50;
    position: relative;
    display: inline-block;
    padding-bottom: 15px;
}

.section-title h2::after {
    content: '';
    position: absolute;
    bottom: 0;
    left: 50%;
    transform: translateX(-50%);
    width: 80px;
    height: 4px;
    background-color: #3498db;
}

.btn {
    display: inline-block;
    padding: 12px 30px;
    background-color: #3498db;
    color: #fff;
    border: none;
    border-radius: 4px;
    font-size: 1rem;
    font-weight: 600;
    cursor: pointer;
    transition: all 0.3s ease;
}

.btn:hover {
    background-color: #2980b9;
    color: #fff;
    transform: translateY(-2px);
    box-shadow: 0 5px 15px rgba(0, 0, 0, 0.1);
}

/* 响应式设计基础设置 */
@media (max-width: 992px) {
    .section-title h2 {
        font-size: 2rem;
    }
}

@media (max-width: 768px) {
    .section {
        padding: 60px 0;
    }
    .section-title h2 {
        font-size: 1.8rem;
    }
}

@media (max-width: 576px) {
    .section {
        padding: 40px 0;
    }
    .section-title h2 {
        font-size: 1.5rem;
    }
}/* 基础样式重置与全局设置 */
* {
    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: #f8f9fa;
}

.container {
    width: 100%;
    max-width: 1200px;
    margin: 0 auto;
    padding: 0 20px;
}

a {
    text-decoration: none;
    color: inherit;
}

ul {
    list-style: none;
}

img {
    max-width: 100%;
    height: auto;
}

.section {
    padding: 80px 0;
}

.section-title {
    text-align: center;
    margin-bottom: 60px;
}

.section-title h2 {
    font-size: 2.5rem;
    font-weight: 700;
    color: #2c3e50;
    position: relative;
    display: inline-block;
    padding-bottom: 15px;
}

.section-title h2::after {
    content: '';
    position: absolute;
    bottom: 0;
    left: 50%;
    transform: translateX(-50%);
    width: 80px;
    height: 4px;
    background-color: #3498db;
}

.btn {
    display: inline-block;
    padding: 12px 30px;
    background-color: #3498db;
    color: #fff;
    border: none;
    border-radius: 4px;
    font-size: 1rem;
    font-weight: 600;
    cursor: pointer;
    transition: all 0.3s ease;
}

.btn:hover {
    background-color: #2980b9;
    transform: translateY(-2px);
    box-shadow: 0 5px 15px rgba(0, 0, 0, 0.1);
}

/* 响应式设计基础设置 */
@media (max-width: 992px) {
    .section-title h2 {
        font-size: 2rem;
    }
}

@media (max-width: 768px) {
    .section {
        padding: 60px 0;
    }
    .section-title h2 {
        font-size: 1.8rem;
    }
}

@media (max-width: 576px) {
    .section {
        padding: 40px 0;
    }
    .section-title h2 {
        font-size: 1.5rem;
    }
}