@charset "UTF-8";

/* ===================== 底部信息区域 ===================== */
.footer-info-section {
    background: #454C56;
    padding: 60px 0 52px;
    color: #FFFFFF;
}

.footer-info-container {
    max-width: 1920px;
    margin: 0 auto;
    padding: 0 60px;
    position: relative;
}

/* LOGO区域 */
.footer-logo-area {
    display: flex;
    justify-content: center;
    margin-bottom: 54px;
}

.footer-logo-group {
    position: relative;
    width: 194px;
    height: 68px;
    display: flex;
    align-items: flex-start;
    gap: 8px;
}

.footer-ymstp-logo {
    margin-top: 16px;
}

.footer-logo-decoration {
    margin-top: 0;
}

.footer-logo-text {
    position: absolute;
    bottom: 0;
    left: 9px;
    width: 120px;
    height: 16px;
}

/* 联系信息 */
.contact-info {
    text-align: center;
    margin-bottom: 54px;
}

.contact-item.phone {
    display: flex;
    align-items: center;
    justify-content: center;
    gap: 16px;
    margin-bottom: 14px;
}

.contact-icon {
    width: 40px;
    height: 40px;
    display: flex;
    align-items: center;
    justify-content: center;
}

.contact-text {
    font-family: 'Source Han Sans CN', 'Microsoft YaHei', Arial, sans-serif;
    font-weight: 700;
    font-size: 32px;
    line-height: 1.5;
    color: #FFFFFF;
}

.contact-item.address {
    font-family: 'Source Han Sans CN', 'Microsoft YaHei', Arial, sans-serif;
    font-weight: 500;
    font-size: 16px;
    line-height: 1.25;
    color: #FFFFFF;
    text-align: center;
}

/* 导航菜单 */
.footer-nav {
    display: flex;
    align-items: center;
    justify-content: center;
    gap: 50px;
    margin-bottom: 30px;
}

.footer-nav a {
    font-family: 'Source Han Sans CN', 'Microsoft YaHei', Arial, sans-serif;
    font-weight: 500;
    font-size: 18px;
    line-height: 1.44;
    color: #FFFFFF;
    text-decoration: none;
    transition: color 0.3s ease;
}

/* .footer-nav a:hover {
    color: #FDD000;
} */

/* 版权信息 */
.copyright-info {
    display: flex;
    align-items: center;
    justify-content: center;
    gap: 30px;
}

.copyright-item {
    display: flex;
    align-items: center;
    gap: 8px;
    font-weight: 500;
    font-size: 12px;
    line-height: 1.5;
    color: #FFFFFF;
}

.police-icon {
    width: 20px;
    height: 20px;
    object-fit: contain;
}

/* ===================== 响应式设计 ===================== */

/* 1200px以下 - 中等屏幕 */
@media (max-width: 1200px) {
    .footer-info-container {
        max-width: 1200px;
        padding: 0 40px;
    }
    
    .footer-nav {
        gap: 40px;
    }
    
    .copyright-info {
        gap: 20px;
    }
}

/* 768px以下 - 平板 */
@media (max-width: 768px) {
    .footer-info-section {
        padding: 40px 0 35px;
    }
    
    .footer-info-container {
        padding: 0 30px;
    }
    
    /* LOGO区域调整 */
    .footer-logo-area {
        margin-bottom: 40px;
    }
    
    .footer-logo-group {
        width: 150px;
        height: 52px;
    }
    
    .footer-ymstp-logo {
        margin-top: 12px;
    }
    
    .footer-ymstp-logo img {
        height: 40px;
        width: auto;
    }
    
    /* 联系信息调整 */
    .contact-info {
        margin-bottom: 40px;
    }
    
    .contact-text {
        font-size: 24px;
    }
    
    .contact-item.address {
        font-size: 14px;
        max-width: 300px;
        margin: 0 auto;
    }
    
    /* 导航菜单调整 */
    .footer-nav {
        flex-wrap: wrap;
        gap: 30px;
        margin-bottom: 25px;
        justify-content: center;
    }
    
    .footer-nav a {
        font-size: 16px;
    }
    
    /* 版权信息调整 */
    .copyright-info {
        flex-direction: column;
        gap: 15px;
        text-align: center;
    }
    
    .copyright-item {
        justify-content: center;
        font-size: 11px;
    }
}

/* 480px以下 - 手机 */
@media (max-width: 480px) {
    .footer-info-section {
        padding: 30px 0 25px;
    }
    
    .footer-info-container {
        padding: 0 20px;
    }
    
    /* LOGO区域调整 */
    .footer-logo-area {
        margin-bottom: 30px;
    }
    
    .footer-logo-group {
        width: 120px;
        height: 42px;
    }
    
    .footer-ymstp-logo {
        margin-top: 8px;
    }
    
    .footer-ymstp-logo img {
        height: 32px;
        width: auto;
    }
    
    /* 联系信息调整 */
    .contact-info {
        margin-bottom: 30px;
    }
    
    .contact-item.phone {
        flex-direction: column;
        gap: 8px;
        margin-bottom: 16px;
    }
    
    .contact-icon {
        width: 32px;
        height: 32px;
    }
    
    .contact-icon img {
        width: 24px;
        height: 24px;
    }
    
    .contact-text {
        font-size: 20px;
        font-weight: 600;
    }
    
    .contact-item.address {
        font-size: 13px;
        line-height: 1.4;
        max-width: 280px;
        margin: 0 auto;
    }
    
    /* 导航菜单调整 */
    .footer-nav {
        flex-direction: row;
        flex-wrap: wrap;
        gap: 15px;
        margin-bottom: 20px;
        justify-content: center;
        align-items: center;
    }
    
    .footer-nav a {
        font-size: 15px;
        padding: 8px 12px;
        text-align: center;
        border-radius: 4px;
        transition: all 0.3s ease;
        white-space: nowrap;
    }
    
    .footer-nav a:hover {
        background: rgba(255, 255, 255, 0.1);
        transform: translateY(-1px);
    }
    
    /* 版权信息调整 */
    .copyright-info {
        flex-direction: column;
        gap: 12px;
        text-align: center;
    }
    
    .copyright-item {
        justify-content: center;
        font-size: 10px;
        line-height: 1.4;
        flex-wrap: wrap;
    }
    
    .copyright-item a {
        color: #FFFFFF;
        text-decoration: none;
    }
    
    .copyright-item a:hover {
        text-decoration: underline;
    }
    
    .police-icon {
        width: 16px;
        height: 16px;
    }
}

/* 超小屏幕优化 */
@media (max-width: 360px) {
    .footer-info-container {
        padding: 0 15px;
    }
    
    .contact-text {
        font-size: 18px;
    }
    
    .contact-item.address {
        font-size: 12px;
        max-width: 250px;
    }
    
    .footer-nav {
        gap: 10px;
    }
    
    .footer-nav a {
        font-size: 14px;
        padding: 6px 10px;
    }
    
    .copyright-item {
        font-size: 9px;
    }
}