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

body {
    background-color: var(--main-background-color);
    color: var(--text-color);
    line-height: 1.6;
}

.container {
    max-width: 1200px;
    margin: 0 auto;
    padding: 0 15px;
}

/* 头部样式 */
header {
    background-color: #fff;
    box-shadow: 0 2px 10px rgba(0, 0, 0, 0.1);
    position: sticky;
    top: 0;
    z-index: 100;
}

.header-main {
    background-color: var(--primary-color);
    padding: 15px 0;
    border-bottom: 1px solid var(--primary-color-light);
}
.header-contact-number {
    color: var(--text-color);
    font-size: 16pt;
    margin-left: auto;
    display: flex;
    float: right;
    align-items: center;
    padding: 5px 10px;
    border: var(--primary-color-light) 1px solid;
    border-radius: 10px;
    cursor: pointer;
}

.logo {
    display: flex;
    align-items: center;
}

.logo img {
    height: 50px;
    margin-right: 15px;
}

.logo-text h1 {
    font-size: 24px;
    color: var(--text-color);
    margin-bottom: 5px;
}

.logo-text p {
    font-size: 14px;
    color: var(--text-color);
}

.section-context {
    padding: 30px 0;
    background: linear-gradient(#0a0a0a9f, #0a0a0a66, #0a0a0a9f);
    border-bottom: 1px solid var(--primary-color-light);
}

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

.section-title h2 {
    font-size: 36px;
    color: var(--text-color);
    margin-bottom: 15px;
    position: relative;
    display: inline-block;
}

.section-title h2::after {
    content: '';
    position: absolute;
    bottom: -10px;
    left: 50%;
    transform: translateX(-50%);
    width: 80px;
    height: 3px;
    background-color: var(--text-color);
}

.section-title p {
    max-width: 800px;
    margin: 0 auto;
}