* {
    margin: 0;
    padding: 0;
    box-sizing: border-box;
}

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

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

ul {
    list-style: none;
}

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

.container {
    width: 1200px;
    margin: 0 auto;
    position: relative;
}

.text-center {
    text-align: center;
}

/* 按钮样式 */
.btn {
    display: inline-block;
    padding: 15px 40px;
    font-size: 14px;
    font-family: "Microsoft YaHei";
    cursor: pointer;
    transition: all 0.3s ease;
    text-align: center;
}

.btn-primary {
    background: linear-gradient(to right, rgb(0, 65, 223), rgb(0, 138, 255));
    color: #fff;
    border: none;
    box-shadow: 5px 5px 14px rgba(60, 120, 216, 0.4);
}

.btn-primary:hover {
    background: rgba(0, 81, 214, 1);
}

.btn-small {
    padding: 8px 20px;
    font-size: 12px;
    background: linear-gradient(to right, rgb(0, 65, 223), rgb(0, 138, 255));
    color: #fff;
    border: none;
}

.btn-outline {
    background: #fff;
    color: #333;
    border: 1px solid rgba(197, 204, 215, 1);
}

.btn-outline:hover {
    background: linear-gradient(to right, rgb(0, 73, 218), rgb(26, 122, 255));
    color: #fff;
    border-color: transparent;
}

.btn-outline-white {
    background: transparent;
    color: #fff;
    border: 1px solid #fff;
}

.btn-outline-white:hover {
    background: #fff;
    color: #0052d9;
}

.btn-white {
    background: #fff;
    color: #0052d9;
    border: none;
    box-shadow: 5px 5px 14px rgba(60, 120, 216, 0.4);
}

.btn-white:hover {
    background: rgba(221, 234, 255, 1);
}

.btn-outline-dark {
    background: transparent;
    color: #333;
    border: 1px solid rgba(197, 204, 215, 1);
}

.btn-outline-dark:hover {
    background: linear-gradient(to right, rgb(0, 73, 218), rgb(26, 122, 255));
    color: #fff;
    border-color: transparent;
}

/* 头部导航 */
.header {
    position: fixed;
    top: 0;
    left: 0;
    width: 100%;
    height: 70px;
    background: rgba(255, 255, 255, 0.94);
    z-index: 1000;
    box-shadow: 0 2px 10px rgba(0, 0, 0, 0.1);
}

.header .container {
    display: flex;
    align-items: center;
    justify-content: space-between;
    height: 70px;
}

.logo {
    display: flex;
    align-items: center;
}

.logo-text {
    font-family: "arial black";
    font-size: 24px;
    text-transform: uppercase;
    color: #222;
}

.logo-dot {
    color: #0066ff;
    font-size: 13px;
    margin-left: 2px;
}

.nav-list {
    display: flex;
}

.nav-item {
    margin: 0 15px;
}

.nav-item a {
    display: block;
    padding: 10px 15px;
    font-size: 14px;
    color: #222;
    transition: color 0.3s;
}

.nav-item a:hover,
.nav-item.active a {
    color: #0052d9;
}

.header-phone {
    display: flex;
    align-items: center;
}

.phone-icon {
    width: 29px;
    height: 29px;
    margin-right: 10px;
}

.phone-number {
    font-family: "arial black";
    font-size: 18px;
    color: #434343;
}

/* Banner轮播 */
.banner-section {
    position: relative;
    height: 850px;
    margin-top: 70px;
}

.banner-swiper {
    width: 100%;
    height: 100%;
}

.banner-swiper .swiper-slide {
    position: relative;
    overflow: hidden;
}

.banner-swiper .swiper-slide img {
    width: 100%;
    height: 100%;
    object-fit: cover;
}

/* 多种切换效果 */
.effect-overlay {
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    display: flex;
    flex-wrap: wrap;
    z-index: 5;
    pointer-events: none;
}

/* 块状组装效果 */
.effect-overlay.grid-effect .effect-cell {
    background: #fff;
    opacity: 1;
}

.effect-overlay.grid-effect.animate .effect-cell {
    animation: gridFadeOut 0.6s ease forwards;
}

@keyframes gridFadeOut {
    0% {
        opacity: 1;
        transform: scale(1);
    }
    100% {
        opacity: 0;
        transform: scale(0.8);
    }
}

/* 百叶窗效果 */
.effect-overlay.blinds-effect {
    flex-wrap: nowrap;
}

.effect-overlay.blinds-effect .effect-strip {
    background: #fff;
    opacity: 1;
}

.effect-overlay.blinds-effect.animate .effect-strip {
    animation: blindsFadeOut 0.8s ease forwards;
}

@keyframes blindsFadeOut {
    0% {
        opacity: 1;
        transform: scaleX(1);
    }
    100% {
        opacity: 0;
        transform: scaleX(0);
    }
}

/* 淡入效果 */
.effect-overlay.fade-effect {
    background: #fff;
    opacity: 1;
    transition: opacity 0.8s ease;
}

.effect-overlay.fade-effect.animate {
    opacity: 0;
}

.banner-swiper .swiper-button-prev,
.banner-swiper .swiper-button-next {
    width: 40px;
    height: 40px;
}

.banner-swiper .swiper-button-prev::after,
.banner-swiper .swiper-button-next::after {
    display: none;
}

.banner-swiper .swiper-button-prev img,
.banner-swiper .swiper-button-next img {
    width: 40px;
    height: 40px;
}

.banner-swiper .swiper-pagination-bullet {
    width: 30px;
    height: 2px;
    border-radius: 0;
    background: #fff;
    opacity: 0.5;
}

.banner-swiper .swiper-pagination-bullet-active {
    opacity: 1;
}

.banner-content {
    position: absolute;
    top: 50%;
    left: 50%;
    transform: translate(-50%, -50%);
    z-index: 10;
    text-align: left;
    width: 1200px;
    padding-left: 0;
}

.banner-title {
    font-size: 50px;
    font-weight: bold;
    color: #000;
    margin-bottom: 20px;
    font-family: "Microsoft YaHei";
}

.banner-title .highlight {
    color: #0052d9;
}

.banner-desc {
    font-size: 20px;
    color: #666;
    margin-bottom: 40px;
    max-width: 464px;
    font-family: "Microsoft YaHei";
}

/* 特色条 */
.features-bar {
    position: absolute;
    bottom: 30px;
    left: 50%;
    transform: translateX(-50%);
    width: 1200px;
    background: url('https://tpl-ce91c6e-pic48.websiteonline.cn/upload/12.png') no-repeat center;
    background-size: cover;
    padding: 23px 40px;
    z-index: 100;
    display: flex;
    justify-content: space-between;
}

.feature-item {
    display: flex;
    align-items: flex-start;
    width: 25%;
    padding: 0 40px;
    border-right: 1px solid rgba(255, 255, 255, 0.3);
}

.feature-item:last-child {
    border-right: none;
}

.feature-item img {
    width: 24px;
    height: 24px;
    margin-right: 10px;
    margin-top: 5px;
}

.feature-content h4 {
    font-size: 17px;
    color: #222;
    margin-bottom: 8px;
    font-family: "Microsoft YaHei";
}

.feature-content p {
    font-size: 14px;
    color: #222;
    opacity: 0.61;
    line-height: 1.6;
    font-family: "Microsoft YaHei";
}

/* 核心业务 */
.business-section {
    padding: 80px 0;
    background: #fff;
}

.section-title {
    font-size: 32px;
    color: #222;
    text-align: center;
    margin-bottom: 15px;
    font-family: "Microsoft YaHei";
    font-weight: bold;
}

.section-title.white {
    color: #fff;
}

.section-subtitle {
    font-size: 14px;
    color: #666;
    text-align: center;
    margin-bottom: 40px;
    font-family: "Microsoft YaHei";
}

.section-subtitle-en {
    font-size: 14px;
    color: #fff;
    text-align: center;
    opacity: 0.31;
    text-transform: uppercase;
    margin-bottom: 30px;
}

.business-grid {
    display: flex;
    justify-content: space-between;
    margin-bottom: 40px;
}

.business-card {
    width: 300px;
    height: 305px;
    background-size: cover;
    background-position: center;
    position: relative;
    overflow: hidden;
}

.business-card-content {
    padding: 43px 45px;
    opacity: 0;
    transform: translateY(30px);
    transition: all 0.6s ease;
}

.business-card.animated .business-card-content {
    opacity: 1;
    transform: translateY(0);
}

.business-card-content img {
    display: block;
}

.business-card-content img {
    width: 47px;
    height: 47px;
    margin-bottom: 12px;
}

.business-card-content h3 {
    font-size: 18px;
    color: #222;
    margin-bottom: 8px;
    font-family: "Microsoft YaHei";
    font-weight: bold;
}

.business-card-content p {
    font-size: 14px;
    color: #666;
    line-height: 1.7;
    margin-bottom: 15px;
    font-family: "Microsoft YaHei";
}

/* 数据统计 */
.stats-section {
    background: linear-gradient(to right, rgb(0, 94, 236), rgb(17, 151, 255));
    padding: 36px 0;
}

.stats-grid {
    display: flex;
    justify-content: space-around;
    align-items: center;
}

.stat-item {
    text-align: left;
    padding: 0 50px;
}

.stat-number {
    font-family: "arial black";
    font-size: 38px;
    color: #fff;
    margin-bottom: 5px;
}

.stat-suffix {
    font-size: 14px;
    font-family: "Microsoft YaHei";
    margin-left: 5px;
}

.stat-label {
    font-size: 18px;
    color: #fff;
    font-family: "Microsoft YaHei";
}

.stat-divider {
    width: 1px;
    height: 93px;
    background: rgba(255, 255, 255, 0.17);
}

/* 关于我们 */
.about-section {
    position: relative;
    padding: 140px 0;
    background-size: cover;
    background-position: center;
    background-attachment: fixed;
}

.about-overlay {
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background: rgba(0, 0, 0, 0.5);
}

.about-section .container {
    position: relative;
    z-index: 1;
    text-align: center;
}

.about-desc {
    font-size: 14px;
    color: #fff;
    line-height: 1.8;
    max-width: 860px;
    margin: 0 auto 40px;
    font-family: "Microsoft YaHei";
}

/* 解决方案 */
.solutions-section {
    padding: 80px 0;
    background: #fff;
}

.solutions-tabs {
    display: flex;
    justify-content: center;
    margin-bottom: 30px;
    border-bottom: 2px solid #0052d9;
}

.solution-tab {
    padding: 15px 30px;
    font-size: 18px;
    color: #555;
    font-family: "Microsoft YaHei";
    transition: all 0.3s;
    position: relative;
}

.solution-tab:hover,
.solution-tab.active {
    color: #0052d9;
    background: rgba(218, 232, 255, 1);
}

.solution-content {
    display: flex;
    background: #edf2f9;
}

.solution-text {
    flex: 1;
    padding: 50px 65px;
}

.solution-text h3 {
    font-size: 22px;
    color: #222;
    margin-bottom: 15px;
    font-family: "Microsoft YaHei";
    font-weight: bold;
}

.solution-text > p {
    font-size: 14px;
    color: #666;
    line-height: 1.8;
    margin-bottom: 20px;
    font-family: "Microsoft YaHei";
}

.solution-features {
    margin-bottom: 30px;
}

.solution-features p {
    font-size: 14px;
    color: #333;
    line-height: 1.6;
    font-family: "Microsoft YaHei";
}

.solution-image {
    width: 461px;
}

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

/* 客户案例 */
.cases-section {
    padding: 80px 0;
    background: #f5f7fa;
}

.cases-grid {
    display: flex;
    flex-wrap: wrap;
    gap: 20px;
    margin-bottom: 40px;
}

.case-card {
    width: calc(33.333% - 14px);
}

.case-image {
    position: relative;
    height: 260px;
    overflow: hidden;
}

.case-image img {
    width: 100%;
    height: 100%;
    object-fit: cover;
    transition: transform 0.4s ease;
}

.case-card:hover .case-image img {
    transform: scale(1.1);
}

.case-overlay {
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background: rgba(0, 82, 217, 0.38);
    display: flex;
    align-items: center;
    justify-content: center;
    opacity: 0;
    transition: opacity 0.4s ease;
}

.case-card:hover .case-overlay {
    opacity: 1;
}

.case-overlay span {
    color: #fff;
    font-size: 16px;
    font-family: "Microsoft YaHei";
}

.case-card h4 {
    padding: 15px 0;
    font-size: 16px;
    color: #333;
    text-align: center;
    font-family: "Microsoft YaHei";
    background: #fff;
}

/* 新闻资讯 */
.news-section {
    position: relative;
    padding: 80px 0;
    background-size: cover;
    background-position: center;
    background-attachment: fixed;
}

.news-overlay {
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background: rgba(255, 255, 255, 0.71);
}

.news-section .container {
    position: relative;
    z-index: 1;
}

.news-tabs {
    display: flex;
    justify-content: center;
    margin-bottom: 30px;
}

.news-tab {
    padding: 15px 50px;
    font-size: 14px;
    color: #555;
    font-family: "Microsoft YaHei";
    transition: all 0.3s;
    background: transparent;
}

.news-tab:hover,
.news-tab.active {
    color: #0052d9;
    background: url('https://tpl-ce91c6e-pic48.websiteonline.cn/upload/b2_agr2.jpg') no-repeat bottom center;
}

.news-content {
    display: flex;
    gap: 0;
    margin-bottom: 40px;
    background: #fff;
}

.news-featured {
    width: 390px;
    padding: 20px;
    border-right: 1px solid #eee;
}

.news-featured-image {
    height: 180px;
    overflow: hidden;
    margin-bottom: 20px;
}

.news-featured-image img {
    width: 100%;
    height: 100%;
    object-fit: cover;
}

.news-featured-content h3 {
    font-size: 16px;
    color: #333;
    margin-bottom: 10px;
    font-family: "Microsoft YaHei";
    line-height: 1.5;
}

.news-featured-content .news-date {
    font-size: 12px;
    color: #f90;
    display: block;
    margin-bottom: 10px;
}

.news-featured-content p {
    font-size: 13px;
    color: #666;
    line-height: 1.8;
    font-family: "Microsoft YaHei";
}

.news-list {
    flex: 1;
    padding: 20px 30px;
}

.news-item {
    display: flex;
    padding: 15px 0;
    border-bottom: 1px solid #eee;
    align-items: flex-start;
}

.news-item:first-child {
    padding-top: 0;
}

.news-item:last-child {
    border-bottom: none;
}

.news-item-date {
    width: 70px;
    min-width: 70px;
    text-align: center;
    background: #fff;
    padding: 10px;
    margin-right: 20px;
    border: 1px solid #eee;
}

.news-item-date .day {
    display: block;
    font-size: 24px;
    color: #0052d9;
    font-weight: bold;
    line-height: 1.2;
}

.news-item-date .month {
    display: block;
    font-size: 12px;
    color: #0052d9;
}

.news-item-content {
    flex: 1;
}

.news-item-content h4 {
    font-size: 14px;
    color: #333;
    margin-bottom: 8px;
    font-family: "Microsoft YaHei";
    transition: color 0.3s;
    line-height: 1.4;
}

.news-item:hover .news-item-content h4 {
    color: #0052d9;
}

.news-item-content p {
    font-size: 12px;
    color: #999;
    line-height: 1.6;
    font-family: "Microsoft YaHei";
}

/* CTA区域 */
.cta-section {
    position: relative;
    padding: 120px 0;
    background-size: cover;
    background-position: center bottom;
    text-align: center;
}

.cta-overlay {
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background: rgba(0, 0, 0, 0.3);
}

.cta-section .container {
    position: relative;
    z-index: 1;
}

.cta-subtitle {
    font-family: arial;
    font-size: 42px;
    color: #fff;
    text-transform: uppercase;
    margin-bottom: 20px;
}

.cta-title {
    font-size: 44px;
    color: #fff;
    font-family: "Microsoft YaHei";
    font-weight: bold;
    margin-bottom: 15px;
}

.cta-desc {
    font-size: 18px;
    color: #fff;
    font-family: "Microsoft YaHei";
    margin-bottom: 40px;
}

.cta-buttons {
    display: flex;
    justify-content: center;
    gap: 20px;
}

/* 页脚 */
.footer {
    background: #fafafa;
    padding: 55px 0 0;
}

.footer-grid {
    display: flex;
    justify-content: space-between;
    padding-bottom: 30px;
    border-bottom: 1px solid #eee;
}

.footer-brand {
    width: 250px;
}

.footer-logo {
    display: flex;
    align-items: center;
    margin-bottom: 30px;
}

.footer-phone-label {
    font-size: 14px;
    color: #555;
    margin-bottom: 5px;
    font-family: "Microsoft YaHei";
}

.footer-phone {
    font-family: "arial black";
    font-size: 24px;
    color: #0052d9;
}

.footer-col h4 {
    font-size: 14px;
    color: #222;
    margin-bottom: 20px;
    font-family: "Microsoft YaHei";
    font-weight: bold;
}

.footer-col ul li {
    margin-bottom: 12px;
}

.footer-col ul li a {
    font-size: 14px;
    color: #555;
    font-family: "Microsoft YaHei";
    transition: color 0.3s;
}

.footer-col ul li a:hover {
    color: #0052d9;
}

.footer-qrcode {
    text-align: center;
}

.footer-qrcode img {
    width: 148px;
    height: 148px;
    margin-bottom: 10px;
}

.footer-qrcode p {
    font-size: 12px;
    color: #434343;
    font-family: "Microsoft YaHei";
}

.footer-bottom {
    padding: 20px 0;
    text-align: left;
}

.footer-bottom p {
    font-size: 12px;
    color: #ccc;
    font-family: "Microsoft YaHei";
}

/* 动画效果 */
@keyframes fadeInUp {
    from {
        opacity: 0;
        transform: translateY(30px);
    }
    to {
        opacity: 1;
        transform: translateY(0);
    }
}

.animate-fadeInUp {
    animation: fadeInUp 0.6s ease forwards;
}