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

body {
    font-family: "Microsoft YaHei", "PingFang SC", sans-serif;
    font-size: 14px;
    line-height: 1.6;
    color: #333;
    background-color: #fff;
}

/* 统一容器样式 */
.container {
    max-width: 1600px;
    width: 96%;
    margin: 0 auto;
}

/* 头部导航区 */
.header {
    position: fixed;
    top: 0;
    left: 0;
    right: 0;
    z-index: 1000;
    background: rgba(4, 92, 168, 0.6);
    backdrop-filter: blur(10px);
    -webkit-backdrop-filter: blur(10px);
    padding: 10px 0;
}

.nav-wrapper {
    display: flex;
    align-items: center;
    justify-content: space-between;
    width: 100%;
    margin: 0 auto;
    height: 60px;
}

/* Logo */
.logo img {
    height: 60px;
    width: auto;
    margin-top: 4px;
}

/* 导航菜单 */
.nav {
    flex: 1;
    display: flex;
    justify-content: flex-end;
    padding-right: 40px;
}

.nav-menu {
    display: flex;
    list-style: none;
    gap: 10px;
}

.nav-item {
    position: relative;
}

.nav-item > a {
    display: block;
    padding: 28px 25px;
    color: #fff;
    text-decoration: none;
    font-size: 15px;
    transition: all 0.3s ease;
    position: relative;
}

.nav-item > a:hover {
    color: #fff;
}

.nav-item > a:hover::after {
    content: '';
    position: absolute;
    bottom: 20px;
    left: 20px;
    right: 20px;
    height: 2px;
    background-color: #70cf00;
}

.nav-item.active > a {
    color: #fff;
}

.nav-item.active > a::after {
    content: '';
    position: absolute;
    bottom: 20px;
    left: 20px;
    right: 20px;
    height: 2px;
    background-color: #70cf00;
}

/* 二级菜单 */
.sub-menu {
    position: absolute;
    top: 100%;
    left: 0;
    min-width: 160px;
    background: rgba(4, 92, 168, 0.95);
    list-style: none;
    opacity: 0;
    visibility: hidden;
    transition: all 0.3s ease;
    box-shadow: 0 4px 12px rgba(0, 0, 0, 0.15);
}

.nav-item:hover .sub-menu {
    opacity: 1;
    visibility: visible;
}

.sub-menu li a {
    display: block;
    padding: 12px 20px;
    color: #fff;
    text-decoration: none;
    font-size: 14px;
    transition: all 0.3s ease;
}

.sub-menu li a:hover {
    background-color: #70cf00;
    color: #fff;
}

/* 导航右侧区域 */
.nav-right {
    display: flex;
    align-items: center;
    position: relative;
}

/* 电话图标 */
.tel-trigger {
    cursor: pointer;
    padding: 10px;
}

.tel-icon {
    width: 30px;
    height: 30px;
    transition: transform 0.3s ease;
}

.tel-trigger:hover .tel-icon {
    transform: scale(1.1);
}

.tel-trigger:hover + .tel-dropdown {
    opacity: 1;
    visibility: visible;
    transform: translateY(0);
}

/* 白线分隔 */
.nav-right::before {
    content: '';
    position: absolute;
    left: -20px;
    top: 50%;
    transform: translateY(-50%);
    width: 1px;
    height: 40px;
    background-color: #fff;
}

/* 电话下拉层 */
.tel-dropdown {
    position: absolute;
    top: 100%;
    right: 0;
    width: 220px;
    background: rgba(4, 92, 168, 0.95);
    border-radius: 8px;
    box-shadow: 0 4px 12px rgba(0, 0, 0, 0.2);
    opacity: 0;
    visibility: hidden;
    transform: translateY(10px);
    transition: all 0.3s ease;
    margin-top: 10px;
}

.tel-dropdown.active {
    opacity: 1;
    visibility: visible;
    transform: translateY(0);
}

.tel-content {
    padding: 20px;
    text-align: center;
    color: #fff;
}

.tel-title {
    font-size: 13px;
    opacity: 0.8;
    margin-bottom: 12px;
}

.tel-nums {
    display: flex;
    flex-direction: column;
    gap: 8px;
    margin-bottom: 14px;
}

.tel-num {
    font-size: 18px;
    font-weight: bold;
    color: #fff;
    letter-spacing: 1px;
}

/* 轮播图区域 */
.banner {
    position: relative;
    width: 100%;
    overflow: hidden;
}

.banner-slider {
    position: relative;
    width: 100%;
    display: flex;
}

.banner-slide {
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    opacity: 0;
    transition: opacity 1s ease;
    flex-shrink: 0;
}

.banner-slide.active {
    opacity: 1;
    position: relative;
}

.banner-img {
    width: 100%;
    height: auto;
    display: block;
}

/* 轮播指示器 */
.banner-indicator {
    position: absolute;
    bottom: 30px;
    left: 50%;
    transform: translateX(-50%);
    display: flex;
    gap: 12px;
}

.indicator-dot {
    width: 12px;
    height: 12px;
    border-radius: 50%;
    background-color: rgba(255, 255, 255, 0.5);
    cursor: pointer;
    transition: all 0.3s ease;
}

.indicator-dot.active {
    background-color: #fff;
    transform: scale(1.2);
}

.indicator-dot:hover {
    background-color: rgba(255, 255, 255, 0.8);
}

/* 产品中心区域 */
.products-section {
    background-image: url('../../skin/img/cpbj.jpg');
    background-size: cover;
    background-position: center;
    background-repeat: no-repeat;
    padding: 60px 0;
}

.section-header {
    text-align: center;
    margin-bottom: 40px;
}

.section-title {
    font-size: 32px;
    font-weight: bold;
    color: #000;
    margin-bottom: 15px;
}

.title-line {
    width: 80px;
    height: 2px;
    background-color: #045ca8;
    margin: 0 auto;
}

.product-tabs {
    display: flex;
    border-bottom: 1px solid #000;
    margin-bottom: 30px;
}

.tab-item {
    flex: 1;
    text-align: center;
    padding: 15px 10px;
    color: #333;
    text-decoration: none;
    font-size: 17px;
    border-bottom: 2px solid transparent;
    margin-bottom: -1px;
    transition: all 0.3s ease;
}

.tab-item:hover {
    color: #045ca8;
    border-bottom-color: #045ca8;
}

.tab-item.active {
    color: #045ca8;
    font-weight: bold;
    border-bottom-color: #045ca8;
}

/* 产品网格 */
.product-grid {
    display: grid;
    grid-template-columns: repeat(4, 1fr);
    gap: 20px;
    margin-top: 40px;
}

.product-card {
    background-color: #fff;
    padding: 14px;
    border-radius: 12px;
    box-shadow: 0 1px 4px rgba(0, 0, 0, 0.08);
    text-decoration: none;
    transition: all 0.3s ease;
    transform: translateY(0);
}

.product-card:hover {
    background-color: #045ca8;
    box-shadow: 0 4px 12px rgba(4, 92, 168, 0.25);
    transform: translateY(-5px);
}

.product-img {
    width: 100%;
    aspect-ratio: 1 / 1;
    overflow: hidden;
    margin-bottom: 10px;
    border-radius: 8px;
}

.product-img img {
    width: 100%;
    height: 100%;
    object-fit: cover;
    transition: transform 0.3s ease;
}

.product-card:hover .product-img img {
    transform: scale(1.05);
}

.product-info {
    display: flex;
    align-items: center;
    justify-content: space-between;
}

.product-name {
    font-size: 18px;
    color: #333;
    font-weight: normal;
    transition: color 0.3s ease;
    padding: 12px 0;
}

.product-card:hover .product-name {
    color: #fff;
}

.product-arrow {
    width: 20px;
    height: 20px;
    filter: grayscale(100%);
    opacity: 0.7;
    transition: all 0.3s ease;
    flex-shrink: 0;
}

.product-card:hover .product-arrow {
    filter: none;
    opacity: 1;
}

/* 关于我们区域 */
.about-section {
    padding: 60px 0 20px;
    background-color: #fff;
}

.about-wrapper {
    width: 100%;
    background-color: #045ca8;
    border-radius: 20px;
    display: flex;
    overflow: hidden;
    min-height: 400px;
}

.about-content {
    flex: 0 0 60%;
    padding: 90px 80px;
    display: flex;
    flex-direction: column;
    justify-content: center;
}

.about-title {
    font-size: 30px;
    color: #fff;
    font-weight: bold;
    margin-bottom: 20px;
}

.about-desc {
    font-size: 16px;
    color: #fff;
    line-height: 1.8;
    margin-bottom: 30px;
    opacity: 0.9;
}

.about-btn {
    display: inline-block;
    padding: 12px 30px;
    background-color: #fff;
    color: #045ca8;
    border-radius: 50px;
    text-decoration: none;
    font-size: 16px;
    font-weight: 500;
    transition: all 0.3s ease;
    align-self: flex-start;
}

.about-btn:hover {
    background-color: #fff;
    transform: translateY(-2px);
    box-shadow: 0 4px 12px rgba(0, 0, 0, 0.2);
}

.about-img {
    flex: 0 0 40%;
    display: flex;
    align-items: stretch;
    justify-content: flex-end;
    overflow: hidden;
}

.about-img img {
    width: 100%;
    object-fit: cover;
}

/* 联系方式区域 */
.contact-section {
    padding: 0 0 60px 0;
    background-color: #fff;
}

.contact-wrapper {
    width: 100%;
    display: flex;
    align-items: center;
}

.contact-left {
    flex: 1;
    padding: 50px 40px;
}

.contact-title {
    font-size: 26px;
    color: #045ca8;
    font-weight: bold;
    margin-bottom: 15px;
}

.contact-desc {
    font-size: 15px;
    color: #666;
    line-height: 1.8;
}

.contact-divider {
    width: 2px;
    height: 120px;
    background-color: #045ca8;
    flex-shrink: 0;
    align-self: center;
}

.contact-right {
    flex: 0 0 auto;
    padding: 40px 50px 40px 30px;
    display: flex;
    justify-content: center;
    align-items: stretch;
}

.contact-right-inner {
    display: flex;
    align-items: center;
    gap: 20px;
    height: 100%;
}

.contact-info {
    text-align: left;
}

.contact-label {
    font-size: 16px;
    color: #045ca8;
    margin-bottom: 6px;
}

.contact-phones {
    display: flex;
    flex-direction: row;
    gap: 12px;
    margin-bottom: 10px;
}

.contact-phone {
    font-size: 20px;
    color: #045ca8;
    font-weight: bold;
    white-space: nowrap;
}

.contact-message-btn {
    display: inline-block;
    padding: 6px 35px;
    background-color: #70cf00;
    color: #fff;
    border-radius: 0;
    text-decoration: none;
    font-size: 15px;
    font-weight: 500;
    transition: all 0.3s ease;
}

.contact-message-btn:hover {
    background-color: #5fb300;
}

.contact-img {
    flex-shrink: 0;
    height: 100%;
    display: flex;
    align-items: center;
    max-width: 80px;
}

.contact-img img {
    width: auto;
    height: 100%;
    max-height: 120px;
}

/* 优势区域 */
.advantages-section {
    padding: 0;
    background-color: #fff;
}

.advantages-slider {
    position: relative;
    width: 100%;
}

.advantage-slide {
    position: relative;
    width: 100%;
    height: 700px;
    overflow: hidden;
    display: none;
}

.advantage-slide.active {
    display: block;
}

.advantage-bg {
    width: 100%;
    height: 100%;
}

.advantage-img {
    width: 100%;
    height: 100%;
    object-fit: cover;
}

.advantage-overlay {
    position: absolute;
    top: 0;
    left: 0;
    width: 0;
    height: 100%;
    background-color: rgba(4, 92, 168, 0.65);
    display: flex;
    align-items: center;
}

.advantage-overlay.animate {
    animation: slideIn 0.8s ease forwards;
}

@keyframes slideIn {
    from { width: 0; }
    to { width: 40%; }
}

.advantage-content {
    display: flex;
    flex-direction: column;
    padding: 40px 50px;
    color: #fff;
    opacity: 0;
    transform: translateX(-20px);
    overflow-wrap: break-word;
}

.advantage-arrows {
    display: flex;
    gap: 12px;
    margin-top: 24px;
}

@media screen and (min-width: 1601px) {
    .advantage-content {
        padding-left: calc((100vw - 1600px) / 2 + 20px);
    }
}

@media screen and (min-width: 1601px) {
    .advantage-content {
        padding-left: calc((100vw - 1600px) / 2 + 20px);
    }
}

.advantage-content.animate {
    animation: fadeIn 0.5s ease 0.3s forwards;
}

@keyframes fadeIn {
    from {
        opacity: 0;
        transform: translateX(-20px);
    }
    to {
        opacity: 1;
        transform: translateX(0);
    }
}

.advantage-title {
    font-size: 26px;
    font-weight: bold;
    margin-bottom: 20px;
}

.advantage-desc {
    font-size: 16px;
    line-height: 1.8;
    opacity: 0.9;
}

.advantage-num {
    display: block;
    font-size: 20px;
    color: rgba(255, 255, 255, 0.7);
    margin-bottom: 8px;
    letter-spacing: 2px;
}

.advantages-indicator {
    display: flex;
    justify-content: center;
    align-items: center;
    gap: 16px;
    margin-top: 20px;
}

.advantage-arrow {
    display: flex;
    align-items: center;
    justify-content: center;
    width: 36px;
    height: 36px;
    border-radius: 50%;
    border: 2px solid rgba(255,255,255,0.7);
    background: transparent;
    color: #fff;
    cursor: pointer;
    transition: all 0.3s ease;
    flex-shrink: 0;
}

.advantage-arrow:hover {
    border-color: #fff;
    background: rgba(255,255,255,0.15);
}

.advantage-arrow:active {
    transform: scale(0.95);
}

/* 新闻动态区域 */
.news-section {
    padding: 60px 0;
    background-color: #f7f7f7;
}

.news-grid {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: 40px;
    margin-top: 40px;
}

.news-card {
    display: flex;
    flex-direction: column;
    text-decoration: none;
    padding: 0;
    transition: all 0.3s ease;
}

.news-card:hover {
    transform: translateY(-6px);
    box-shadow: 0 8px 20px rgba(0, 0, 0, 0.12);
}

.news-card:hover .news-more {
    background-color: #045ca8;
    color: #fff;
}

.news-img {
    width: 100%;
    aspect-ratio: 4 / 3;
    overflow: hidden;
    margin-bottom: 16px;
}

.news-img img {
    width: 100%;
    height: 100%;
    object-fit: cover;
    display: block;
    transition: transform 0.4s ease;
}

.news-card:hover .news-img img {
    transform: scale(1.05);
}

.news-date {
    font-size: 14px;
    color: #999;
    padding: 0 15px 8px;
}

.news-title {
    font-size: 18px;
    font-weight: bold;
    color: #333;
    padding: 0 15px 10px;
    line-height: 1.4;
}

.news-desc {
    font-size: 14px;
    color: #666;
    line-height: 1.6;
    padding: 0 15px 16px;
    flex: 1;
}

.news-more {
    display: inline-block;
    padding: 6px 20px;
    border: 1px solid #045ca8;
    border-radius: 50px;
    color: #045ca8;
    font-size: 14px;
    margin: 0 15px 15px;
    align-self: flex-start;
    transition: all 0.3s ease;
}

/* 页脚 */
.footer {
    padding: 0;
}

.footer-bg {
    background-image: url('../../skin/img/fo.jpg');
    background-size: cover;
    background-position: center;
    background-repeat: no-repeat;
    padding: 60px 0 30px;
}

.footer-main {
    display: flex;
    align-items: flex-start;
    justify-content: space-between;
    gap: 40px;
    padding-bottom: 40px;
    border-bottom: 1px solid rgba(255, 255, 255, 0.3);
}

/* 左侧 */
.footer-left {
    flex: 0 0 25%;
}

.footer-logo {
    width: 380px;
    height: auto;
    margin-bottom: 20px;
    filter: brightness(0) invert(1);
}

.footer-contact {
    display: flex;
    flex-direction: column;
    gap: 8px;
}

.footer-contact-item {
    font-size: 15px;
    color: #fff;
    line-height: 1.6;
}

/* 中间 */
.footer-middle {
    flex: 0 0 20%;
    display: flex;
    flex-direction: row;
    align-items: flex-end;
    justify-content: center;
    gap: 30px;
    align-self: flex-end;
    padding-bottom: 10px;
}

.footer-qrcode {
    display: flex;
    flex-direction: column;
    align-items: center;
    gap: 6px;
}

.footer-qrcode img {
    width: 120px;
    height: 120px;
    background-color: #fff;
    padding: 6px;
    border-radius: 6px;
}

.qr-label {
    font-size: 12px;
    color: #fff;
    text-align: center;
    white-space: nowrap;
}

/* 右侧 */
.footer-right {
    flex: 0 0 50%;
    display: flex;
    justify-content: flex-end;
    gap: 40px;
}

.footer-column {
    min-width: 120px;
}

.footer-col-title {
    font-size: 17px;
    font-weight: bold;
    color: #fff;
    margin-bottom: 16px;
}

.footer-col-list {
    list-style: none;
    display: flex;
    flex-direction: column;
    gap: 10px;
}

.footer-col-list li a {
    font-size: 15px;
    color: rgba(255, 255, 255, 0.8);
    text-decoration: none;
    transition: color 0.3s ease;
}

.footer-col-list li a:hover {
    color: #70cf00;
}

/* 底部 */
.footer-bottom {
    display: flex;
    align-items: center;
    justify-content: space-between;
    padding-top: 20px;
    flex-wrap: wrap;
    gap: 10px;
}

.footer-copyright {
    font-size: 13px;
    color: rgba(255, 255, 255, 0.7);
}

.footer-links {
    font-size: 13px;
    color: rgba(255, 255, 255, 0.7);
}

.footer-links a {
    color: rgba(255, 255, 255, 0.7);
    text-decoration: none;
    transition: color 0.3s ease;
}

.footer-links a:hover {
    color: #70cf00;
}

/* 页脚响应式 */
@media screen and (max-width: 992px) {
    .footer-main {
        flex-direction: column;
        align-items: center;
    }

    .footer-left {
        flex: none;
        width: 100%;
        text-align: center;
    }

    .footer-logo {
        margin: 0 auto 20px;
    }

    .footer-contact {
        align-items: center;
    }

    .footer-middle {
        flex: none;
        flex-direction: row;
    }

    .footer-right {
        flex: none;
        width: 100%;
        justify-content: center;
    }
}

@media screen and (max-width: 768px) {
    .footer-bg {
        padding: 40px 0 20px;
    }

    .footer-main {
        gap: 30px;
        padding-bottom: 30px;
    }

    .footer-middle {
        display: none;
    }

    .footer-right {
        display: none;
    }

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

/* 应用领域区域 */
.applications-section {
    padding: 60px 0;
    background-color: #fff;
}

.applications-wrapper {
    display: flex;
    align-items: stretch;
    gap: 0;
    margin-top: 40px;
}

.application-display {
    flex: 0 0 50%;
    display: flex;
    flex-direction: column;
    gap: 20px;
    position: relative;
}

.application-main-img {
    display: none;
    width: 100%;
    aspect-ratio: 16 / 9;
    opacity: 0;
    transform: scale(0.98);
    transition: opacity 0.5s ease, transform 0.5s ease;
}

.application-main-img.active {
    display: block;
    opacity: 1;
    transform: scale(1);
}

.app-main-img {
    width: 100%;
    height: 100%;
    object-fit: cover;
}

.application-right {
    flex: 0 0 50%;
    display: flex;
    flex-direction: column;
    gap: 0;
}

.application-text {
    display: flex;
    flex-direction: column;
    gap: 16px;
    flex: 1;
    background-color: #f5faff;
    padding: 40px 35px;
}

.app-text-item {
    display: none;
    opacity: 0;
    transform: translateY(10px);
    transition: opacity 0.4s ease, transform 0.4s ease;
}

.app-text-item.active {
    display: block;
    opacity: 1;
    transform: translateY(0);
}

.app-text-title {
    font-size: 22px;
    font-weight: bold;
    color: #000;
    margin-bottom: 12px;
    text-align: center;
    position: relative;
    padding-bottom: 18px;
}

.app-text-title::after {
    content: '';
    position: absolute;
    bottom: 0;
    left: 50%;
    transform: translateX(-50%);
    width: 50px;
    height: 2px;
    background-color: #70cf00;
}

.app-text-desc {
    font-size: 16px;
    color: #555;
    line-height: 1.8;
    margin-top: 30px;
}

.application-list {
    display: flex;
    flex-direction: row;
    align-items: center;
    gap: 0;
    width: 100%;
}

.application-arrow {
    display: flex;
    align-items: center;
    justify-content: center;
    width: 40px;
    height: 80px;
    background-color: #045ca8;
    color: #fff;
    cursor: pointer;
    flex-shrink: 0;
    transition: background-color 0.3s ease;
}

.application-arrow:hover {
    background-color: #70cf00;
}

.application-item {
    cursor: pointer;
    height: 80px;
    border: 2px solid transparent;
    border-radius: 0;
    transition: all 0.3s ease;
    background-color: #0060ea;
    flex: 1;
    display: flex;
    align-items: center;
    justify-content: center;
}

.application-item.active {
    background-color: #70cf00;
}

.application-item:hover {
    background-color: #70cf00;
}

.app-thumb {
    width: auto;
    height: 60px;
    display: block;
}

/* 响应式设计 */
@media screen and (max-width: 1200px) {
    .nav-item > a {
        padding: 28px 15px;
        font-size: 14px;
    }
}

/* 移动端菜单按钮 */
.mobile-menu-btn {
    display: none;
    flex-direction: column;
    justify-content: space-between;
    width: 28px;
    height: 20px;
    background: none;
    border: none;
    cursor: pointer;
    padding: 0;
    flex-shrink: 0;
}

.mobile-menu-btn span {
    display: block;
    width: 100%;
    height: 3px;
    background-color: #fff;
    border-radius: 2px;
    transition: all 0.3s ease;
}

.mobile-menu-btn.active span:nth-child(1) {
    transform: rotate(45deg) translate(6px, 6px);
}

.mobile-menu-btn.active span:nth-child(2) {
    opacity: 0;
}

.mobile-menu-btn.active span:nth-child(3) {
    transform: rotate(-45deg) translate(6px, -6px);
}

@media screen and (max-width: 992px) {
    .nav {
        display: flex;
        align-items: center;
    }

    .mobile-menu-btn {
        display: flex;
    }

    .nav-right {
        display: none;
    }

    .nav-menu {
        position: fixed;
        top: 60px;
        left: 0;
        right: 0;
        background: rgba(4, 92, 168, 0.98);
        flex-direction: column;
        max-height: 0;
        overflow: hidden;
        transition: max-height 0.3s ease;
        display: flex !important;
        visibility: hidden;
    }

    .nav-menu.active {
        max-height: calc(100vh - 60px);
        overflow-y: auto;
        visibility: visible;
    }

    .nav-item {
        border-bottom: none;
    }

    .nav-item > a {
        padding: 15px 20px;
        display: block;
    }

    .nav-item > a:hover::after,
    .nav-item.active > a::after {
        display: none;
    }

    .sub-menu {
        position: static;
        opacity: 1;
        visibility: visible;
        background: rgba(3, 75, 135, 0.95);
        box-shadow: none;
        max-height: 0;
        overflow: hidden;
        transition: max-height 0.3s ease;
    }

    .nav-item.active .sub-menu,
    .nav-item:hover .sub-menu {
        max-height: 400px;
    }

    .sub-menu li a {
        padding: 12px 40px;
    }

    .product-tabs {
        flex-wrap: wrap;
    }

    .tab-item {
        flex: 0 0 25%;
        padding: 12px 5px;
        font-size: 14px;
    }

    .product-grid {
        grid-template-columns: repeat(3, 1fr);
        gap: 15px;
    }

    .product-card {
        padding: 10px;
    }

    .about-wrapper {
        flex-direction: column;
        min-height: auto;
    }

    .about-content {
        flex: none;
        padding: 60px 30px;
        order: 2;
    }

    .about-title {
        font-size: 24px;
    }

    .advantage-title {
        font-size: 24px;
    }

    .about-desc {
        font-size: 14px;
    }

    .about-img {
        flex: none;
        height: 250px;
        order: 1;
        justify-content: center;
    }

    .about-img img {
        width: 100%;
        height: 100%;
        max-width: 100%;
        max-height: none;
    }

    .contact-img {
        display: none;
    }

    .contact-wrapper {
        flex-direction: column;
    }

    .contact-left {
        flex: none;
        width: 100%;
        padding: 30px 40px;
    }

    .contact-divider {
        width: 80%;
        height: 2px;
    }

    .contact-right {
        flex: none;
        width: 100%;
        padding: 20px 40px 40px;
    }
}

@media screen and (max-width: 768px) {
    .header {
        height: 60px;
    }

    .nav-wrapper {
        height: 60px;
    }

    .logo {
        margin-top: -10px;
    }

    .logo img {
        height: 40px;
    }

    .mobile-menu-btn {
        margin-top: -20px;
        margin-left: auto;
        margin-right: -20px;
    }

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

    .banner-img {
        height: 300px;
        object-fit: cover;
    }

    .products-section {
        padding: 30px 0;
    }

    .section-header {
        margin-bottom: 25px;
    }

    .tab-item {
        flex: 0 0 33.33%;
        padding: 10px 5px;
        font-size: 13px;
    }

    .product-grid {
        grid-template-columns: repeat(2, 1fr);
        gap: 10px;
    }

    .product-card {
        padding: 8px;
    }

    .contact-wrapper {
        flex-direction: column;
    }

    .contact-left {
        flex: none;
        width: 100%;
        padding: 30px;
    }

    .contact-divider {
        width: 80%;
        height: 2px;
    }

    .contact-right {
        flex: none;
        width: 100%;
        padding: 20px 30px 30px;
    }

    /* 应用领域区域 - 移动端 */
    .applications-wrapper {
        flex-direction: column;
        gap: 0;
    }

    .application-display {
        flex: none;
        width: 100%;
    }

    .application-right {
        flex: none;
        width: 100%;
        display: flex;
        flex-direction: column;
        gap: 0;
    }

    .application-text {
        padding: 20px;
    }

    .application-main-img {
        aspect-ratio: 16 / 9;
    }

    .application-list {
        flex-direction: row;
    }

    .application-item {
        width: 20%;
        height: 80px;
        flex: none;
        padding: 6px;
    }

    .application-arrow {
        display: none;
    }

    .app-thumb {
        width: auto;
        height: 100%;
        max-height: 80px;
        object-fit: contain;
    }

    /* 新闻动态区域 - 移动端 */
    .news-grid {
        grid-template-columns: 1fr;
        gap: 20px;
    }
}

@media screen and (max-width: 768px) {
    @keyframes slideIn {
        from { width: 0; }
        to { width: 100%; }
    }

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

    .advantage-slide {
        height: 500px;
    }
}

@media screen and (max-width: 480px) {
    .tel-icon {
        width: 24px;
        height: 24px;
    }

    .section-title {
        font-size: 20px;
        margin-bottom: 25px;
    }

    .banner-img {
        height: 260px;
    }

    .tab-item {
        flex: 0 0 50%;
        padding: 8px 5px;
        font-size: 12px;
    }

    .product-grid {
        grid-template-columns: repeat(2, 1fr);
        gap: 15px;
    }

    .product-card {
        padding: 8px;
    }
}

/* 内页通图 */
.page-banner {
    position: relative;
    width: 100%;
    height: 300px;
    overflow: hidden;
}

.page-banner-bg {
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background-image: url('../../skin/img/nytt.jpg');
    background-size: cover;
    background-position: center;
    background-repeat: no-repeat;
}

.page-banner-overlay {
    position: absolute;
    top: 50%;
    left: 50%;
    transform: translate(-50%, -50%);
    width: 100%;
    display: flex;
    align-items: center;
    justify-content: center;
}

.page-banner-title {
    font-size: 36px;
    font-weight: bold;
    color: #fff;
}

/* 内页内容区 */
.page-content-section {
    padding: 60px 0;
    background-color: #fff;
}

.page-content-wrapper {
    display: flex;
    align-items: flex-start;
    gap: 40px;
}

/* 左侧栏目 */
.page-sidebar {
    flex: 0 0 220px;
    background-color: #f7f7f7;
}

.sidebar-title {
    background-color: #045ca8;
    padding: 20px;
    text-align: center;
}

.sidebar-title h2 {
    font-size: 20px;
    font-weight: bold;
    color: #fff;
}

.sidebar-menu {
    list-style: none;
}

.sidebar-item {
    border-bottom: 1px solid #e0e0e0;
}

.sidebar-item a {
    display: block;
    padding: 14px 20px;
    color: #333;
    text-decoration: none;
    font-size: 15px;
    transition: all 0.3s ease;
}

.sidebar-item a:hover,
.sidebar-item.active a {
    background-color: #045ca8;
    color: #fff;
}

.sidebar-contact {
    margin: 20px 15px;
    padding: 18px 16px;
    background: linear-gradient(135deg, #045ca8, #034b8a);
    border-radius: 10px;
    color: #fff;
    text-align: center;
}

.sidebar-contact-title {
    font-size: 13px;
    opacity: 0.8;
    margin-bottom: 10px;
}

.sidebar-contact-nums {
    display: flex;
    flex-direction: column;
    gap: 6px;
    margin-bottom: 12px;
}

.sidebar-contact-num {
    font-size: 18px;
    font-weight: bold;
    letter-spacing: 1px;
}

.sidebar-contact-btn {
    display: block;
    padding: 9px 16px;
    background: rgba(255,255,255,0.15);
    color: #fff;
    text-decoration: none;
    border-radius: 6px;
    font-size: 14px;
    font-weight: bold;
    transition: background 0.3s;
}

.sidebar-contact-btn:hover {
    background: rgba(255,255,255,0.3);
}

/* 右侧内容 */
.page-main {
    flex: 1;
}

.page-block {
    margin-bottom: 40px;
}

.page-block:last-child {
    margin-bottom: 0;
}

.page-block-title {
    font-size: 22px;
    font-weight: bold;
    color: #045ca8;
    padding-bottom: 12px;
    border-bottom: 2px solid #045ca8;
    margin-bottom: 20px;
}

.page-block-content p {
    font-size: 15px;
    color: #555;
    line-height: 1.8;
    margin-bottom: 16px;
}

.page-block-content p:last-child {
    margin-bottom: 0;
}

/* 当前位置 */
.breadcrumb {
    background-color: #f7f7f7;
    padding: 12px 0;
    border-bottom: 1px solid #e0e0e0;
}

.breadcrumb-content {
    font-size: 14px;
    color: #666;
}

.breadcrumb-content a {
    color: #666;
    text-decoration: none;
    transition: color 0.3s ease;
}

.breadcrumb-content a:hover {
    color: #045ca8;
}

/* 联系我们页面 */
.contact-page-wrapper {
    display: flex;
    align-items: flex-start;
    gap: 40px;
}

.contact-info {
    flex: 0 0 50%;
    padding: 30px;
}

.contact-info-title {
    font-size: 22px;
    font-weight: bold;
    color: #045ca8;
    margin-bottom: 20px;
    padding-bottom: 12px;
    border-bottom: 2px solid #045ca8;
}

.contact-info-list {
    display: flex;
    flex-direction: column;
    gap: 14px;
}

.contact-info-item {
    display: flex;
    font-size: 15px;
    line-height: 1.6;
}

.contact-info-label {
    color: #666;
    flex-shrink: 0;
    min-width: 70px;
}

.contact-info-value {
    color: #333;
}

.contact-form {
    flex: 0 0 50%;
    background-color: #fff;
}

.contact-form-title {
    font-size: 22px;
    font-weight: bold;
    color: #045ca8;
    margin-bottom: 20px;
    padding-bottom: 12px;
    border-bottom: 2px solid #045ca8;
}

.message-form {
    display: flex;
    flex-direction: column;
    gap: 16px;
}

.form-row {
    display: flex;
    gap: 16px;
}

.form-group {
    flex: 1;
    display: flex;
    flex-direction: column;
    gap: 6px;
}

.form-group-full {
    display: flex;
    flex-direction: column;
    gap: 6px;
}

.form-group label,
.form-group-full label {
    font-size: 14px;
    color: #333;
}

.form-group input,
.form-group select,
.form-group-full textarea {
    padding: 10px 14px;
    border: 1px solid #ddd;
    border-radius: 4px;
    font-size: 14px;
    font-family: inherit;
    transition: border-color 0.3s ease;
}

.form-group input:focus,
.form-group select:focus,
.form-group-full textarea:focus {
    outline: none;
    border-color: #045ca8;
}

.form-group input::placeholder,
.form-group-full textarea::placeholder {
    color: #aaa;
}

.form-submit {
    margin-top: 8px;
}

.submit-btn {
    padding: 12px 40px;
    background-color: #045ca8;
    color: #fff;
    border: none;
    border-radius: 4px;
    font-size: 15px;
    cursor: pointer;
    transition: background-color 0.3s ease;
}

.submit-btn:hover {
    background-color: #034b8a;
}

/* 产品列表页 */
.page-product-grid {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: 20px;
}

.product-card-item {
    display: flex;
    flex-direction: column;
    text-decoration: none;
    background-color: #fff;
    border: 1px solid #eee;
    transition: all 0.3s ease;
}

.product-card-item:hover {
    transform: translateY(-4px);
    box-shadow: 0 4px 12px rgba(0, 0, 0, 0.1);
    border-color: #045ca8;
}

.product-card-img {
    width: 100%;
    aspect-ratio: 1 / 1;
    overflow: hidden;
}

.product-card-img img {
    width: 100%;
    height: 100%;
    object-fit: cover;
    transition: transform 0.3s ease;
}

.product-card-item:hover .product-card-img img {
    transform: scale(1.05);
}

.product-card-name {
    font-size: 16px;
    font-weight: bold;
    color: #333;
    padding: 16px 15px 18px;
    text-align: center;
    min-height: 60px;
    display: flex;
    align-items: center;
    justify-content: center;
}

.product-card-desc {
    font-size: 13px;
    color: #888;
    padding: 0 15px 15px;
    text-align: center;
    line-height: 1.5;
}

/* 分页样式 */
.pagination {
    display: flex;
    justify-content: center;
    align-items: center;
    gap: 8px;
    margin-top: 40px;
    padding-top: 30px;
    border-top: 1px solid #eee;
}

.pagination-item {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    min-width: 40px;
    height: 40px;
    padding: 0 12px;
    background-color: #fff;
    border: 1px solid #ddd;
    color: #333;
    text-decoration: none;
    font-size: 14px;
    transition: all 0.3s ease;
}

.pagination-item:hover:not(.disabled):not(.active) {
    background-color: #045ca8;
    border-color: #045ca8;
    color: #fff;
}

.pagination-item.active {
    background-color: #045ca8;
    border-color: #045ca8;
    color: #fff;
    cursor: default;
}

.pagination-item.disabled,
.pagination-item.prev.disabled,
.pagination-item.next.disabled {
    color: #ccc;
    border-color: #eee;
    cursor: not-allowed;
    pointer-events: none;
}

.pagination-item.prev,
.pagination-item.next {
    padding: 0 16px;
}

/* 产品详情页 */
.details-wrapper {
    display: flex;
    gap: 30px;
    margin-bottom: 40px;
    overflow: hidden;
    align-items: flex-start;
}

.details-gallery {
    flex: 1 1 0;
    min-width: 0;
    max-width: 44%;
}

.details-main-img {
    width: 100%;
    aspect-ratio: 1 / 1;
    overflow: hidden;
    margin-bottom: 12px;
    border: 1px solid #eee;
}

.details-main-img img {
    width: 100%;
    height: 100%;
    object-fit: cover;
}

/* 缩略图容器 - 固定5个位置 */
.details-thumb-list {
    display: flex;
    gap: 10px;
    flex-wrap: nowrap;
    overflow-x: auto;
    scrollbar-width: thin;
    scrollbar-color: #ccc transparent;
}

.details-thumb-list::-webkit-scrollbar {
    height: 4px;
}

.details-thumb-list::-webkit-scrollbar-track {
    background: transparent;
}

.details-thumb-list::-webkit-scrollbar-thumb {
    background: #ccc;
    border-radius: 2px;
}

.details-thumb {
    flex: 0 0 calc(20% - 8px);
    min-width: 60px;
    aspect-ratio: 1 / 1;
    border: 2px solid transparent;
    cursor: pointer;
    overflow: hidden;
    transition: border-color 0.3s ease, transform 0.2s ease;
    background-color: #f5f5f5;
    display: flex;
    align-items: center;
    justify-content: center;
    position: relative;
}

.details-thumb:hover {
    transform: scale(1.05);
}

.details-thumb.active {
    border-color: #045ca8;
}

.details-thumb img {
    width: 100%;
    height: 100%;
    object-fit: cover;
    transition: transform 0.3s ease;
}

.details-thumb:hover img {
    transform: scale(1.1);
}

/* 空位置占位样式 - 没有图片时显示虚线框 */
.details-thumb:empty::before {
    content: '';
    display: block;
    width: 60%;
    height: 60%;
    border: 2px dashed #ddd;
    border-radius: 4px;
    background: linear-gradient(135deg, #fafafa 0%, #f0f0f0 100%);
}

.details-info {
    flex: 1 1 0;
    min-width: 0;
    max-width: 55%;
}

.details-title {
    font-size: 24px;
    font-weight: bold;
    color: #333;
    margin-bottom: 16px;
}

.details-desc {
    font-size: 15px;
    color: #666;
    line-height: 1.8;
    margin-bottom: 20px;
}

.details-contact {
    display: flex;
    align-items: stretch;
    justify-content: space-between;
    gap: 16px;
    margin-bottom: 24px;
}

.details-contact-left {
    flex: 1;
    display: flex;
    flex-direction: column;
    gap: 12px;
    background: linear-gradient(135deg, #f0f7ff 0%, #e3efff 100%);
    border: 1px solid #d6e8ff;
    border-radius: 12px;
    padding: 16px 20px;
}

.details-contact-text {
    font-size: 14px;
    color: #666;
}

.details-contact-phones {
    display: flex;
    flex-direction: column;
    gap: 8px;
}

.details-contact-phone-item {
    display: flex;
    align-items: center;
    gap: 8px;
    font-size: 14px;
    color: #333;
}

.details-contact-phone-item .phone-icon {
    width: 32px;
    height: 32px;
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    flex-shrink: 0;
}

.details-contact-phone-item.hotline .phone-icon {
    background: linear-gradient(135deg, #e63946, #c1121f);
}

.details-contact-phone-item.tel .phone-icon {
    background: linear-gradient(135deg, #045ca8, #034b8a);
}

.details-contact-phone-item .phone-icon svg {
    width: 16px;
    height: 16px;
    fill: #fff;
}

.details-contact-phone-item .phone-info {
    display: flex;
    flex-direction: column;
}

.details-contact-phone-item .phone-label {
    font-size: 12px;
    color: #999;
}

.details-contact-phone-item .phone-num {
    font-size: 16px;
    font-weight: bold;
    color: #222;
}

.details-contact-phone-item.hotline .phone-num {
    color: #e63946;
}

.details-contact-btn {
    display: flex;
    flex-direction: column;
    align-items: center;
    justify-content: center;
    gap: 6px;
    padding: 16px 28px;
    background: linear-gradient(135deg, #045ca8, #034b8a);
    color: #fff;
    text-decoration: none;
    border-radius: 10px;
    font-size: 15px;
    font-weight: bold;
    transition: all 0.3s ease;
    box-shadow: 0 4px 15px rgba(4, 92, 168, 0.3);
    min-width: 120px;
}

.details-contact-btn:hover {
    background: linear-gradient(135deg, #034b8a, #023566);
    transform: translateY(-2px);
    box-shadow: 0 6px 20px rgba(4, 92, 168, 0.4);
}

.details-contact-btn .btn-sub {
    font-size: 12px;
    font-weight: normal;
    opacity: 0.8;
}

.details-params {
    background-color: #f7f7f7;
    padding: 20px;
    margin-bottom: 20px;
}

.param-item {
    display: flex;
    font-size: 14px;
    line-height: 2;
}

.param-label {
    color: #666;
    min-width: 80px;
}

.param-value {
    color: #333;
}

.details-content {
    border-top: 1px solid #eee;
    padding-top: 30px;
}

.details-section-title {
    font-size: 20px;
    font-weight: bold;
    color: #045ca8;
    margin-bottom: 20px;
}

.details-text p {
    font-size: 15px;
    color: #555;
    line-height: 1.8;
    margin-bottom: 12px;
}

/* 内页响应式 */
@media screen and (max-width: 992px) {
    .page-content-wrapper {
        flex-direction: column;
    }

    .page-sidebar {
        flex: none;
        width: 100%;
    }

    .sidebar-menu {
        display: flex;
        flex-wrap: wrap;
    }

    .sidebar-item {
        border-bottom: none;
        flex: 1;
        min-width: 100px;
    }

    .contact-page-wrapper {
        flex-direction: column;
    }

    .contact-info {
        flex: none;
        width: 100%;
    }

    .contact-form {
        flex: none;
        width: 100%;
    }

    .details-wrapper {
        flex-direction: column;
        width: 100%;
    }

    .details-gallery {
        flex: none !important;
        width: 100% !important;
        max-width: 100% !important;
    }

    .details-info {
        flex: none !important;
        width: 100% !important;
        max-width: 100% !important;
    }

    .page-product-grid {
        grid-template-columns: repeat(2, 1fr);
    }
}

@media screen and (max-width: 768px) {
    .page-banner {
        height: 200px;
    }

    .page-banner-title {
        font-size: 28px;
    }

    .page-content-section {
        padding: 20px 0;
    }

    .page-content-wrapper {
        flex-direction: column;
        gap: 20px;
    }

    .page-main {
        width: 100%;
        max-width: 100%;
        padding: 0;
    }

    .page-block-title {
        font-size: 20px;
    }

    .form-row {
        flex-direction: column;
    }

    .form-group {
        flex: none;
        width: 100%;
    }

    .page-product-grid {
        grid-template-columns: repeat(2, 1fr);
        gap: 15px;
    }

    /* 移动端产品图和详情信息100%宽 */
    .page-content-wrapper {
        flex-direction: column;
        gap: 20px;
    }

    /* 移动端隐藏左侧栏目联系电话 */
    .sidebar-contact {
        display: none;
    }

    .page-main {
        width: 100% !important;
        max-width: 100% !important;
        flex: none !important;
        padding: 0 !important;
    }

    .details-wrapper {
        flex-direction: column;
        gap: 20px;
        margin-bottom: 20px;
        width: 100%;
        display: flex;
    }

    .details-gallery {
        flex: none !important;
        width: 100% !important;
        max-width: 100% !important;
        padding: 0;
    }

    .details-info {
        flex: none !important;
        width: 100% !important;
        max-width: 100% !important;
        padding: 0;
    }

    .details-main-img {
        width: 100%;
    }

    .details-thumb-list {
        display: flex;
        gap: 6px;
    }

    .details-thumb {
        flex: 0 0 calc(20% - 5px);
        min-width: 0;
    }

    .details-title {
        font-size: 20px;
    }

    .details-desc {
        font-size: 14px;
    }

    .details-contact {
        flex-direction: column;
    }

    .details-contact-left {
        width: 100%;
    }

    .details-contact-phones {
        flex-direction: row;
        gap: 12px;
    }

    .details-contact-phone-item {
        flex: 1;
    }

    .details-contact-btn {
        width: 100%;
    }
}