/* 重置样式 */
* {
    margin: 0;
    padding: 0;
    box-sizing: border-box;
}

body {
    font-family: Arial, sans-serif;
    line-height: 1.6;
    color: #333;
}

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

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

/* 通用容器 */
.container {
    margin: 0 auto;
    padding: 0 200px;
}

/* 通用标题样式 */
.section-title {
    text-align: center;
    margin-bottom: 10px;
    font-weight: 500;
    font-size: 40px;
    color: #000000;
}
.section-subtitle{
    font-size: 32px;
    color: #666;
    margin-bottom: 0;
    text-transform: uppercase;
}

.section-title h2 {
    font-size: 36px;
    font-weight: 600;
    margin-bottom: 10px;
}

.section-title p {
    font-size: 18px;
    color: #666;
}

/* 通用按钮样式 */
.btn {
    display: inline-block;
    padding: 12px 30px;
    border-radius: 4px;
    font-size: 16px;
    cursor: pointer;
    transition: all 0.3s ease;
}

.btn-primary {
    background: #DA251C;
    color: #fff;
}

.btn-primary:hover {
    background: #b81e16;
}

/* 通用分隔线 */
.section-line {
    width: 72px;
    height: 5px;
    background: #DA251C;
    margin:45px auto;
}

/* 通用间距 */
.section-padding {
    padding: 80px 0;
}

/* 通用响应式布局 */
@media (max-width: 1440px) {
    .container {
        padding: 0 100px;
    }
}

@media (max-width: 992px) {
    .container {
        padding: 0 40px;
    }
}

@media (max-width: 576px) {
    .container {
        padding: 0 20px;
    }
}

@media (max-width: 768px) {
    .section-padding {
        padding: 60px 0;
    }

    .section-title h2 {
        font-size: 28px;
    }

    .section-title p {
        font-size: 16px;
    }
}

@media (max-width: 480px) {
    .section-padding {
        padding: 40px 0;
    }

    .section-title h2 {
        font-size: 24px;
    }
}