/* 全局样式重置 */
* {
    margin: 0;
    padding: 0;
    box-sizing: border-box;
}

/* 导航栏样式 */
header {
    height: 120px;
    background-color: #ffffff;
    display: flex;
    align-items: center;
    justify-content: space-around;
    box-sizing: border-box;
}

.logo {
    display: flex;
    align-items: center;
    text-decoration: none;
}

.logo img {
    height: 60px;
    margin-right: 10px;
}

.search-box {
    display: flex;
    align-items: center;
}

.search-box input {
    padding: 8px 12px;
    border: 2px solid #E10015;
    border-radius: 4px 0 0 4px;
    outline: none;
}

.search-box button {
    padding: 8px 16px;
    background-color: #E10015;
    color: white;
    border: none;
    border-radius: 0 4px 4px 0;
    cursor: pointer;
}

/* 菜单栏样式 */
.container {
    max-width: 1920px;
    margin: 0 auto;
}

.menu {
    display: flex;
    list-style: none;
    padding: 0;
    margin: 0 auto;
    background-color: #BE0110;
    height: 56px;
    align-items: center;
    justify-content: center;
}

.menu li {
    width: 9vw;
    text-align: center;
}

.menu-item {
    display: block;
    padding: 15px 20px;
    text-decoration: none;
    color: #FFFFFF;
    transition: all 0.3s ease;
}

.menu-item:hover {
    background-color: rgba(255, 255, 255, 0.1);
}

/* 选中样式 */
.menu-item.active {
    background-color: #A40201;
    color: #FFFFFF;
    font-weight: bold;
}

/* 页脚样式 */
footer {
    background-color: #EFEFEF;
    margin-top: 60px;
}

.footer-services {
    padding: 40px 0;
    position: relative;
}

.footer-services::after {
    content: '';
    position: absolute;
    bottom: 0;
    left: 50%;
    transform: translateX(-50%);
    width: 1530px;
    height: 2px;
    background-color: #CCCCCC;
}

.footer-services .container {
    display: flex;
    justify-content: space-evenly;
    align-items: center;
    flex-wrap: wrap;
}

.service-item {
    display: flex;
    align-items: center;
    margin: 20px;
}

.service-icon {
    margin-right: 15px;
}

.service-icon img {
    width: 40px;
    height: 40px;
    object-fit: contain;
}

.service-text h4 {
    margin: 0 0 5px;
    font-size: 16px;
    color: #333;
}

.service-text p {
    margin: 0;
    font-size: 14px;
    color: #666;
}

.footer-main {
    padding: 86px 0;
    position: relative;
}

.footer-main::after {
    content: '';
    position: absolute;
    bottom: 0;
    left: 50%;
    transform: translateX(-50%);
    width: 1530px;
    height: 2px;
    background-color: #CCCCCC;
}

.footer-main .container {
    padding: 0 260px;
    display: flex;
    justify-content: space-around;
}

.footer-logo {
    display: flex;
    margin-top: 20px;
}

.footer-logo img {
    width: 60px;
    height: 60px;
    margin-right: 15px;
}

.footer-logo span {
    font-size: 24px;
    font-weight: bold;
    color: #333;
}

.footer-nav {
    display: flex;
    justify-content: space-around;
}

.nav-column {
    margin: 20px;
}

.nav-column h4 {
    margin: 0 0 15px;
    font-size: 14px;
    color: #222;
}

.nav-column ul {
    list-style: none;
    padding: 0;
    margin: 0;
}

.nav-column li {
    margin-bottom: 10px;
}

.nav-column a {
    text-decoration: none;
    color: #666;
    font-size: 14px;
    transition: color 0.3s ease;
}

.nav-column a:hover {
    color: #BE0110;
}

.nav-column.contact {
    text-align: left;
}

.nav-column.contact p {
    margin: 10px 0;
    font-size: 14px;
    color: #666;
}

.qrcode {
    margin-top: 20px;
    text-align: center;
}

.qrcode img {
    width: 100px;
    height: 100px;
    object-fit: contain;
    margin-bottom: 10px;
}

.qrcode p {
    margin: 0;
    font-size: 14px;
    color: #666;
}

.footer-bottom {
    background-color: #f0f0f0;
    padding: 20px 0;
    text-align: center;
}

.footer-links-bottom {
    margin-bottom: 15px;
}

.footer-links-bottom a {
    text-decoration: none;
    color: #666;
    font-size: 14px;
    margin: 0 15px;
    transition: color 0.3s ease;
}

.footer-links-bottom a:hover {
    color: #BE0110;
}

.footer-bottom p {
    margin: 0;
    font-size: 14px;
    color: #666;
}

/* 滚动条美化样式 */
/* WebKit 浏览器（Chrome、Safari） */
::-webkit-scrollbar {
    width: 6px;
    height: 6px;
}

::-webkit-scrollbar-track {
    background: transparent;
    border: none;
}

::-webkit-scrollbar-thumb {
    background: #cbcbcb;
    border-radius: 3px;
    transition: background 0.3s ease;
}

::-webkit-scrollbar-thumb:hover {
    background: #cbcbcb;
}

/* 隐藏滚动条按钮（箭头） */
::-webkit-scrollbar-button {
    display: none;
}

/* 隐藏滚动条角落 */
::-webkit-scrollbar-corner {
    display: none;
}

/* Firefox */
* {
    scrollbar-width: thin;
    scrollbar-color: #cbcbcb transparent;
}

/* Edge */
::-ms-scrollbar {
    width: 6px;
    height: 6px;
}

::-ms-scrollbar-track {
    background: transparent;
    border: none;
}

::-ms-scrollbar-thumb {
    background: #cbcbcb;
    border-radius: 3px;
}

::-ms-scrollbar-thumb:hover {
    background: #cbcbcb;
}

/* 隐藏 Edge 滚动条按钮（箭头） */
::-ms-scrollbar-button {
    display: none;
}

/* 隐藏 Edge 滚动条角落 */
::-ms-scrollbar-corner {
    display: none;
}

/* 响应式设计 - 平板和手机端 */
@media (max-width: 1024px) {
    /* 导航栏适配 */
    header {
        height: auto;
        padding: 15px 20px;
        flex-direction: column;
        gap: 15px;
    }

    .logo img {
        height: 45px;
    }

    /* 菜单适配 */
    .menu {
        height: auto;
        flex-wrap: wrap;
        padding: 10px 0;
    }

    .menu li {
        width: auto;
        padding: 0 10px;
    }

    .menu-item {
        padding: 10px 15px;
        font-size: 14px;
    }

    /* 页脚服务区域适配 */
    .footer-services .container {
        flex-direction: column;
        gap: 20px;
    }

    .service-item {
        margin: 10px 0;
    }

    /* 页脚主要内容适配 */
    .footer-main .container {
        flex-direction: column;
        padding: 0 20px;
    }

    .footer-nav {
        flex-wrap: wrap;
        justify-content: flex-start;
    }

    .nav-column {
        flex: 0 0 calc(33.333% - 40px);
        margin: 10px 20px;
    }

    .footer-services::after,
    .footer-main::after {
        width: 90%;
    }
}

/* 响应式设计 - 手机端 */
@media (max-width: 768px) {
    /* 导航栏适配 */
    header {
        padding: 10px 15px;
    }

    .logo img {
        height: 40px;
        margin-right: 5px;
    }

    .search-box {
        width: 100%;
        max-width: 300px;
    }

    .search-box input {
        flex: 1;
    }

    /* 菜单改为汉堡菜单样式 */
    .menu {
        flex-direction: column;
        height: auto;
        padding: 0;
    }

    .menu li {
        width: 100%;
        text-align: center;
        border-bottom: 1px solid rgba(255, 255, 255, 0.1);
    }

    .menu li:last-child {
        border-bottom: none;
    }

    .menu-item {
        padding: 12px 20px;
        font-size: 14px;
    }

    /* 页脚服务区域 */
    .footer-services {
        padding: 30px 0;
    }

    .service-item {
        flex-direction: column;
        text-align: center;
        margin: 15px 0;
    }

    .service-icon {
        margin-right: 0;
        margin-bottom: 10px;
    }

    /* 页脚主要内容 */
    .footer-main {
        padding: 40px 0;
    }

    .footer-logo {
        justify-content: center;
        margin-bottom: 30px;
    }

    .footer-nav {
        flex-direction: column;
        align-items: center;
    }

    .nav-column {
        width: 100%;
        text-align: center;
        margin: 15px 0;
    }

    .nav-column h4 {
        margin-bottom: 10px;
    }

    .nav-column li {
        margin-bottom: 8px;
    }

    .nav-column.contact {
        text-align: center;
    }

    .qrcode {
        display: flex;
        flex-direction: column;
        align-items: center;
    }

    /* 页脚底部 */
    .footer-bottom {
        padding: 15px 10px;
    }

    .footer-links-bottom {
        display: flex;
        flex-wrap: wrap;
        justify-content: center;
        gap: 10px;
    }

    .footer-links-bottom a {
        margin: 0 10px;
    }

    .footer-bottom p {
        font-size: 12px;
    }
}

/* 超小屏幕适配 */
@media (max-width: 480px) {
    .logo img {
        height: 35px;
    }

    .service-text h4 {
        font-size: 14px;
    }

    .service-text p {
        font-size: 12px;
    }

    .nav-column h4 {
        font-size: 13px;
    }

    .nav-column a,
    .nav-column.contact p {
        font-size: 12px;
    }

    .footer-bottom p {
        font-size: 11px;
    }
}