* {
    margin: 0;
    padding: 0;
}
.box {
    background: #f3f3f3;
}

/* 主要内容 */
main {
    box-sizing: border-box;
    /* background-color: #fff; */
    display: flex;
    flex-direction: column;
    align-items: center;
    justify-content: center;
    box-sizing: border-box;
}

main section {
    display: flex;
    align-items: center;
    justify-content: center;
}

main section h2 {
    /* width: 60%; */
    font-family: Helvetica, Helvetica;
    font-weight: bold;
    font-size: 40px;
    color: #3f2f2f;
    line-height: 60px;
    letter-spacing: 1px;
    display: flex;
    align-items: center;
    justify-content: center;
    flex-wrap: wrap;
    text-align: center;
    margin: 60px 0;
}

/* 博客详情 */
.blog-post {
    width: 100%;
    max-width: 1200px;
    padding: 40px 0px;
    background: #fff;
    box-sizing: border-box;
    display: flex;
    flex-direction: column;
    align-items: center;
    justify-content: center;
    box-sizing: border-box;
    border-radius: 8px;
    box-shadow: 0 4px 12px rgba(0, 0, 0, 0.05);
    margin-top: 30px;
}
.blog-post .title {
    font-family: Helvetica, Helvetica;
    font-weight: bold;
    font-size: 18px;
    color: #333333;
    line-height: 28px;
    padding: 0 150px;
    box-sizing: border-box;
    text-align: center;
}
.blog-content {
    /* width: 100%;
    background: #fff;
    box-sizing: border-box; */
    padding: 60px;
    box-sizing: border-box;
}

.contact-box {
    width: 100%;
    max-width: 1200px;
    min-height: 373px;
    background: #ffffff;
    padding: 40px 20px;
    box-sizing: border-box;
    display: flex;
    flex-direction: column;
    align-items: center;
    justify-content: center;
    margin: 60px 0;
    border-radius: 8px;
    box-shadow: 0 4px 12px rgba(0, 0, 0, 0.05);
}

.contact-logo {
    width: 100px;
    height: 80px;
    object-fit: contain;
    margin-bottom: 40px;
    border-radius: 8px;
    /* box-shadow: 0 4px 8px rgba(0, 0, 0, 0.1); */
    transition: transform 0.3s ease, box-shadow 0.3s ease;
}

.contact-subtitle {
    font-family: Helvetica;
    font-size: 16px;
    color: #555555;
    line-height: 26px;
    text-align: center;
    max-width: 800px;
    margin-bottom: 30px;
}
.contact-btn-alone {
    background: #a01212;
}

.contact-btn-my {
    width: 602px;
    height: 57px;
    background: #a01212;
    border-radius: 10px;
    font-family: Helvetica;
    font-size: 18px;
    color: #ffffff;
    line-height: 28px;
    display: flex;
    align-items: center;
    justify-content: center;
    text-decoration: none;
}
.contact-btn-my:hover {
    background: #700d0d;
    color: #fff;
}

/* 响应式适配：小屏幕下堆叠排列 */
@media (max-width: 768px) {
    /* Blog-post响应式优化 - 中等屏幕 */
    .blog-post {
        padding: 30px 15px;
        margin-top: 20px;
    }

    .blog-content {
        padding: 40px 30px;
    }

    .blog-post .title {
        padding: 0 30px;
    }

    /* Contact-box响应式优化 - 中等屏幕 */
    .contact-box {
        padding: 30px 20px;
        margin: 40px 0;
        min-height: auto;
    }

    .contact-logo {
        width: 80px;
        height: 64px;
        margin-bottom: 30px;
    }

    .contact-subtitle {
        font-size: 15px;
        line-height: 24px;
        margin-bottom: 25px;
    }

    .contact-btn-alone {
        height: 50px;
        font-size: 16px;
    }

    .contact-btn-my {
        width: 90%;
        height: 50px;
        font-size: 16px;
    }

    /* Explore-box响应式优化 - 中等屏幕 */
    .explore-box {
        padding: 20px 40px !important;
    }

    .explore-box h2 {
        font-size: 20px;
        margin-bottom: 30px;
    }

    /* Footer响应式优化 */
    .footer-container {
        flex-direction: column;
        align-items: center;
        text-align: center;
    }

    .footer-brand {
        margin-bottom: 20px;
    }

    /* Header响应式优化 */
    header {
        padding: 0 15px;
        height: auto;
        min-height: 70px;
    }

    header .left img {
        width: 50px;
        height: 40px;
        margin-right: 10px;
    }

    header .left h1 {
        font-size: 14px;
        line-height: 16px;
        max-width: 200px;
        overflow: hidden;
        text-overflow: ellipsis;
        white-space: nowrap;
    }

    header .right .phone {
        margin-right: 10px;
    }

    header .right .phone img {
        width: 18px;
        height: 18px;
        margin-right: 5px;
    }

    header .right .phone p {
        font-size: 12px;
        line-height: 14px;
    }

    header .right .language img {
        width: 18px;
        height: 18px;
        margin-right: 5px;
    }

    header .right .language p {
        width: 30px;
        height: 25px;
        font-size: 12px;
        line-height: 20px;
        margin-right: 5px;
    }

    /* Nav响应式优化 */
    nav {
        height: auto;
        padding: 10px 0;
    }

    nav ul {
        width: 95%;
        flex-wrap: wrap;
    }

    nav ul li a {
        margin-right: 15px;
        margin-bottom: 5px;
        font-size: 14px;
    }
}

/* 超小屏幕适配 */
@media (max-width: 500px) {
    /* Blog-post响应式优化 - 小屏幕 */
    .blog-post {
        padding: 20px 40px;
        margin-top: 15px;
    }

    .blog-content {
        padding: 30px 20px;
    }

    .blog-post .title {
        padding: 0 20px;
    }

    /* Contact-box响应式优化 - 小屏幕 */
    .contact-box {
        padding: 25px 40px;
        margin: 30px 0;
    }

    .contact-logo {
        width: 70px;
        height: 56px;
        margin-bottom: 25px;
    }

    .contact-subtitle {
        font-size: 14px;
        line-height: 22px;
        margin-bottom: 20px;
    }

    .contact-btn-alone {
        height: 45px;
        font-size: 15px;
    }

    .contact-btn-my {
        width: 85%;
        height: 45px;
        font-size: 15px;
    }

    header .left h1 {
        max-width: 120px;
        font-size: 12px;
    }

    header .right .phone {
        display: none; /* 在极小屏幕隐藏电话号码 */
    }

    nav ul {
        width: 100%;
        justify-content: space-around;
    }

    nav ul li a {
        margin-right: 5px;
        font-size: 12px;
    }
}

/* 极小屏幕适配 */
@media (max-width: 320px) {
    /* Blog-post响应式优化 - 极小屏幕 */
    .blog-post {
        padding: 15px 5px;
        margin-top: 10px;
    }

    .blog-content {
        padding: 20px 15px;
    }

    .blog-post .title {
        padding: 0 15px;
    }

    /* Contact-box响应式优化 - 极小屏幕 */
    .contact-box {
        padding: 20px 40px;
        margin: 20px 0;
    }

    .contact-logo {
        width: 60px;
        height: 48px;
        margin-bottom: 20px;
    }

    .contact-subtitle {
        font-size: 13px;
        line-height: 20px;
        margin-bottom: 15px;
    }

    .contact-btn-alone {
        height: 40px;
        font-size: 14px;
    }

    .contact-btn-my {
        width: 80%;
        height: 40px;
        font-size: 14px;
    }
}