/* ========================================
   中科宝鹿官网首页样式
   ======================================== */

/* Reset & Base */
*, *::before, *::after {
    margin: 0;
    padding: 0;
    box-sizing: border-box;
}

html, body {
    font-family: "Microsoft YaHei", "PingFang SC", "Helvetica Neue", Arial, sans-serif;
    font-size: 16px;
    color: #333;
    overflow: hidden;
    background: #fff;
}

a {
    text-decoration: none;
    color: inherit;
    transition: color 0.3s ease, opacity 0.3s ease;
}

img {
    max-width: 100%;
    display: block;
}

ul, ol {
    list-style: none;
}

/* ========================================
   Header
   ======================================== */
.site-header {
    position: fixed;
    top: 0;
    left: 0;
    width: 100%;
    z-index: 9999;
    transition: background-color 0.4s ease, box-shadow 0.4s ease;
    background: transparent;
}

.site-header.is-scrolled {
    background: rgba(10, 30, 80, 0.95);
    box-shadow: 0 2px 20px rgba(0, 0, 0, 0.3);
}

.header-inner {
    max-width: 1400px;
    margin: 0 auto;
    display: flex;
    align-items: center;
    justify-content: space-between;
    padding: 0 40px;
    height: 80px;
}

.header-logo img {
    height: 44px;
    width: auto;
}

.nav-list {
    display: flex;
    align-items: center;
    gap: 0;
}

.nav-item {
    position: relative;
}

.nav-item > a {
    display: block;
    padding: 28px 22px;
    font-size: 15px;
    color: rgba(255, 255, 255, 0.85);
    letter-spacing: 1px;
    transition: color 0.3s ease;
    white-space: nowrap;
}

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

.nav-item.active > a::after {
    content: '';
    position: absolute;
    bottom: 20px;
    left: 50%;
    transform: translateX(-50%);
    width: 24px;
    height: 2px;
    background: #fff;
}

/* Sub Menu */
.sub-menu {
    position: absolute;
    top: 100%;
    left: 50%;
    transform: translateX(-50%) translateY(10px);
    background: rgba(10, 30, 80, 0.95);
    min-width: 180px;
    padding: 10px 0;
    border-radius: 4px;
    opacity: 0;
    visibility: hidden;
    transition: all 0.3s ease;
    box-shadow: 0 8px 30px rgba(0, 0, 0, 0.3);
}

.nav-item.has-sub:hover .sub-menu {
    opacity: 1;
    visibility: visible;
    transform: translateX(-50%) translateY(0);
}

.sub-menu a {
    display: block;
    padding: 10px 24px;
    font-size: 14px;
    color: rgba(255, 255, 255, 0.7);
    transition: all 0.3s ease;
    white-space: nowrap;
    text-align: center;
}

.sub-menu a:hover {
    color: #fff;
    background: rgba(255, 255, 255, 0.1);
}

/* ========================================
   Section Common
   ======================================== */
.section {
    position: relative;
    overflow: hidden;
}

.section-inner {position: relative;z-index: 2;max-width: 1400px;margin: 0 auto;padding: 0 40px;height: 100%;}

.section-header {
    text-align: center;
    margin-bottom: 50px;
}

.section-header--left {
    text-align: left;
}

.section-title {
    font-size: 32px;
    font-weight: 700;
    color: #fff;
    letter-spacing: 2px;
    margin-bottom: 16px;
}

.title-line {
    margin: 0 auto;
}

.section-header--left .title-line {
    margin: 0;
}

/* Page Indicator */
.page-indicator {
    width:100%;
    font-size: 14px;
    color: rgba(255, 255, 255, 0.5);
    clear:both;
}

.page-indicator .current {
    font-size: 24px;
    font-weight: 700;
    color: #fff;
}

.page-indicator .sep {
    margin: 0 4px;
}

/* ========================================
   Section 1: Banner
   ======================================== */
.section-banner {
    background: #0a1e50;
}

.banner-bg {
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    z-index: 1;
}

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

.bans {position: relative;width: 100%;height:100%;overflow: hidden;}
.bans .swiper-wrapper {height: 100%;}
.bans .swiper-slide {display: flex;align-items: center;justify-content: center;flex-direction: column;text-align: center;padding: 40px 20px;box-sizing: border-box;}
.section-banner .swiper-pagination.swiper-pagination-horizontal{width:auto;position: absolute;bottom: 60px;left: 50%;transform: translateX(-50%);z-index: 3;display: flex;gap: 12px;}
.section-banner .swiper-pagination .swiper-pagination-bullet {width: 12px;height: 12px;border-radius: 50%;background: rgba(255, 255, 255, 0.3);cursor: pointer;transition: all 0.3s ease;}
.section-banner .swiper-pagination .swiper-pagination-bullet-active {background: #fff;transform: scale(1.3);}

.banner-title {
    font-size: 48px;
    font-weight: 700;
    color: #fff;
    letter-spacing: 6px;
    margin-bottom: 20px;
    text-shadow: 0 2px 20px rgba(0, 0, 0, 0.5);
    animation: fadeInUp 1s ease both;
}

.banner-subtitle {
    font-size: 28px;
    color: rgba(255, 255, 255, 0.9);
    letter-spacing: 4px;
    margin-bottom: 24px;
    text-shadow: 0 2px 10px rgba(0, 0, 0, 0.3);
    animation: fadeInUp 1s ease 0.2s both;
}

.banner-desc {
    font-size: 16px;
    color: rgba(255, 255, 255, 0.6);
    letter-spacing: 2px;
    animation: fadeInUp 1s ease 0.4s both;
}
.scroll-hint {
    position: absolute;
    bottom: 100px;
    left: 50%;
    transform: translateX(-50%);
    z-index: 3;
    animation: bounce 2s infinite;
}

.scroll-icon {
    display: block;
    width: 24px;
    height: 40px;
    border: 2px solid rgba(255, 255, 255, 0.5);
    border-radius: 12px;
    position: relative;
}

.scroll-icon::after {
    content: '';
    position: absolute;
    top: 8px;
    left: 50%;
    transform: translateX(-50%);
    width: 4px;
    height: 8px;
    background: rgba(255, 255, 255, 0.7);
    border-radius: 2px;
    animation: scrollDown 2s infinite;
}

/* ========================================
   Section 2: About
   ======================================== */
.section-about {padding-top:80px;background: #f0f4f8;}
.section-about .about-bg {position: absolute;top: 0;left: 0;width: 100%;height: 100%;z-index: 1;}
.section-about .about-bg img {width: 100%;height: 100%;object-fit: cover;opacity: 0.8;}
.section-about .section-inner{justify-content: space-between;}
.section-about .section-title {color: #0a1e50;}
.section-about .section-title img{width:180px;margin:auto;display:block;}
.about-gallery{overflow:hidden;}
.about-gallery .swiper-wrapper .swiper-slide{width:90%;margin:0 auto;display: grid;grid-template-columns: repeat(3, 1fr);gap: 24px;}
.about-gallery-item {position: relative;border-radius: 8px;overflow: hidden;aspect-ratio: 16 / 9;cursor: pointer;box-shadow: 0 4px 20px rgba(0, 0, 0, 0.15);transition: transform 0.4s ease, box-shadow 0.4s ease;}
.about-gallery-item:hover {transform: translateY(-8px);box-shadow: 0 12px 40px rgba(0, 0, 0, 0.25);}
.about-gallery-item img {width: 100%;height: 100%;object-fit: cover;transition: transform 0.6s ease;}
.about-gallery-item:hover img {transform: scale(1.08);}
.gallery-overlay {position: absolute;bottom: 0;left: 0;width: 100%;padding: 16px;background: linear-gradient(transparent, rgba(10, 30, 80, 0.8));color: #fff;font-size: 16px;font-weight: 500;letter-spacing: 1px;}
.gallery-overlay span{display:block;text-align:center;font-size:16px}
.gallery-overlay span.titl{height:40px;line-height:40px;overflow:hidden;}
.gallery-overlay span.titi{font-size:13px;}
.section-about .page{width:100px;height:40px;margin:30px auto 0 auto;position:relative;clear:both;}
.section-about .page .swiper-button-prev{width:30px;height:30px;padding:10px;color:#999;border:1px solid #999;border-radius:50%;}
.section-about .page .swiper-button-prev:after{font-size:14px;}
.section-about .page .swiper-button-prev:hover{color:#003592;border-color:#003592;}
.section-about .page .swiper-button-next{width:30px;height:30px;padding:10px;color:#999;border:1px solid #999;border-radius:50%;}
.section-about .page .swiper-button-next:hover{color:#003592;border-color:#003592;}
.section-about .page .swiper-button-next:after{font-size:14px;}

/* ========================================
   Section 3: Solutions
   ======================================== */
.section-solutions {
    padding-top: 80px;
    position: relative;
    overflow: hidden;
    background: #6ba3d8;
}

/* 背景图 */
.solutions-bg {
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    z-index: 1;
}

.solutions-bg img {
    width: 100%;
    height: 100%;
    object-fit: cover;
    display: block;
}

.section-solutions .section-inner{
    position: relative;
    z-index: 2;
    justify-content: space-between;
}

/* 标题样式 */
.section-solutions .section-title {
    display: flex;
    align-items: center;
    justify-content: center;
    gap: 12px;
    font-size: 32px;
    font-weight: 500;
    color: #fff;
    letter-spacing: 4px;
}

.section-solutions .section-title .title-icon {
    font-size: 28px;
    color: #fff;
    opacity: 0.9;
}

.section-solutions .section-title .title-text {
    color: #fff;
}

.section-solutions .section-inner .title-line{
    color:#fff;
    font-size: 14px;
    letter-spacing: 2px;
    margin-top: 8px;
}

/* 卡片网格 - 平行四边形布局 */
.solutions-grid{
    margin:40px auto;
    overflow:hidden;
    width: 1200px;
    padding: 0 20px;
}

.solutions-grid .swiper-wrapper .swiper-slide{
    display: flex;
    justify-content: center;
    align-items: center;
    gap: -15px;
    width: 100%;
}

/* 平行四边形卡片 - 使用 clip-path 实现 */
.solution-card {
    position: relative;
    display: flex;
    flex-direction: column;
    align-items: center;
    justify-content: center;
    width: 230px;
    height: 480px;
    padding: 40px 15px;
    background: #1e5aa8;
    clip-path: polygon(45px 0, 100% 0, calc(100% - 45px) 100%, 0 100%);
    transition: background 0.2s ease, transform 0.3s ease;
    cursor: pointer;
    text-align: center;
    flex-shrink: 0;
    margin-right: -40px;
}

/* hover时背景变白 */
.solution-card:hover {
    background: #fff;
}

/* 卡片内部内容 */
.solution-card > * {
    position: relative;
    z-index: 1;
}

/* hover时白底黑字 */
.solution-card:hover .solution-name {
    color: #000;
    font-weight: 700;
}

.solution-card:hover .solution-name-en {
    color: #333;
    font-weight: 500;
}

/* hover时图标显示 - 深色效果 */
.solution-card:hover .solution-icon img {
    filter: brightness(0.2);
}

.solution-icon {
    width: 70px;
    height: 70px;
    margin-bottom: 40px;
    margin-top: -50px;
    display: flex;
    align-items: center;
    justify-content: center;
}

.solution-icon img {
    width: 100%;
    height: 100%;
    display: block;
    object-fit: contain;
    filter: brightness(0) invert(1) drop-shadow(0 0 6px rgba(255,255,255,0.5));
    transition: filter 0.2s ease;
}

.solution-name {
    font-size: 20px;
    font-weight: 600;
    color: #fff;
    margin-bottom: 12px;
    margin-top: 60px;
    letter-spacing: 2px;
    transition: color 0.2s ease;
}

.solution-name-en {
    font-size: 13px;
    color: rgba(255, 255, 255, 0.9);
    letter-spacing: 1px;
    text-transform: uppercase;
    transition: color 0.2s ease;
}

/* 分页器 */
.section-solutions .swiper-pagination{
    position:static;
    margin:20px auto 0 auto;
}

.section-solutions .swiper-pagination span{
    width:14px;
    height:14px;
}

.section-solutions .swiper-pagination .swiper-pagination-bullet{
    background:rgba(255,255,255,0.8);
    opacity:1;
    border:2px solid #fff;
}

.section-solutions .swiper-pagination .swiper-pagination-bullet-active{
    background:#fff;
    width:30px;
    border-radius:7px;
}

    /* ========================================
       Section 4: Company
       ======================================== */
.section-company {
    background: #f5f7fa;
}

.section-company .section-title {
    color: #0a1e50;
}

.section-company .title-line {
    background: linear-gradient(90deg, #0a1e50, #3b7ddd);
}

.company-wrap {display: flex;align-items: center;gap: 10px;}

.company-image {position:relative;padding:0px 40px 40px 0px;flex: 0 0 50%;}
.company-image .b{border-radius:20px;overflow: hidden;}
.company-image .b img {width: 100%;height: 450px;object-fit: cover;}
.company-image .s{width:220px;height:160px;padding:5px;position:absolute;bottom:0px;right:0px;background:#fff;border-radius:6px;}
.company-image .s img{width:100%;height:100%;display:block;border-radius:6px;}

.company-info {
    flex: 1;
}

.company-text {
    font-size: 15px;
    line-height: 1.8;
    color: #555;
    margin-bottom: 16px;
    text-align: justify;
}

/* 布局容器：横向自适应，允许换行 */
.section-company .company-info .b{
    display: flex;
    gap: 20px;
    justify-content: center;
    align-items: stretch;
    flex-wrap: wrap;
    padding: 12px 0;
}

/* 单项样式：可伸缩、固定最大宽度、卡片外观、过渡效果 */
.section-company .company-info .b .it{height:130px;
    flex: 1 1;
    background: #f5f7fb;
    border-radius: 8px;
    padding: 14px 18px;
    box-shadow: 0 2px 6px rgba(0,0,0,0.06);
    text-align: center;
    transition: transform .18s ease, box-shadow .18s ease;
}

/* 悬停微动效 */
.section-company .company-info .b .it:hover{
    transform: translateY(-6px);
    box-shadow: 0 8px 20px rgba(0,0,0,0.10);
}

/* 年份标题：大号字体，垂直对齐年字 */
.section-company .company-info .b .titl{position: relative;
    font-size: 34px;
    font-weight: 700;
    color: #003592;
    line-height: 1.8;
    display: inline-flex;
    align-items: baseline;
    justify-content: center;
}

/* 年字小号样式 */
.section-company .company-info .b .titl span{ position: absolute;
    top: -5px;
    right: -15px;
    font-size: 14px;
    font-weight: 600;
    color: #2d62be;
    margin-left: 6px;
}

/* 描述文本 */
.section-company .company-info .b .abou{
    margin-top: 8px;
    font-size: 14px;
    color: #666;
    line-height: 1.5;
}

.btn-more {display: inline-flex;align-items: center;gap: 8px;padding: 12px 32px;background: linear-gradient(135deg, #0a1e50, #1a3a7a);color: #fff;border-radius: 4px;font-size: 14px;letter-spacing: 1px;margin-top: 16px;transition: all 0.3s ease;}
.btn-more:hover {background: linear-gradient(135deg, #1a3a7a, #3b7ddd);transform: translateX(4px);}
.btn-more .arrow {font-size: 18px;transition: transform 0.3s ease;}
.btn-more:hover .arrow {transform: translateX(4px);}

/* ========================================
   Section 5: Technology
   ======================================== */
.section-technology {background: #f5f7fb;}
.technology-wrap {padding-top:60px;display: flex;align-items: center;gap: 60px;}
.technology-info {flex: 1;}
.technology-info .section-header{margin-bottom:20px;}
.technology-info .section-header .section-title{color: #000;font-size:30px;}
.technology-info .section-header .title-line{font-size:18px;font-weight:500;color:#555;}
.technology-text {font-size: 16px;height:90px;line-height:30px;overflow:hidden;color:#555;margin-bottom: 16px;text-align: justify;}
.tech-features {display: flex;flex-direction: column;gap: 16px;margin-top: 24px;}
.tech-feature {padding:10px 20px;font-size: 15px;background:#fdfdfd;}
.tech-feature .le{width:10%;float:left;}
.tech-feature .le img{width:53px;height:56px;margin-top:10px;display: block;}
.tech-feature .ri{width:90%;float:right;}
.tech-feature .ri .titl{height:45px;line-height:45px;overflow:hidden;color:#000;font-size:20px;}
.tech-feature .ri .abou{color:#555;font-size:16px;}
.technology-image {flex: 0 0 45%;border-radius: 12px;overflow: hidden;}
.technology-image img {width: 100%;object-fit: cover;}

/* ========================================
   Section 6: Products
   ======================================== */
.pros{padding-top:80px;}
.products-bg {position: absolute;top: 0;left: 0;width: 100%;height: 100%;z-index: 1;}
.products-bg img {width: 100%;height: 100%;object-fit: cover;opacity:0.5;}
.pros .section-title {color: #0a1e50;}
.pros .section-title img{width:180px;margin:auto;display:block;}
.pros .products-grid {display: grid;grid-template-columns: repeat(4, 1fr);gap: 24px;}
.pros .products-grid .product-card {background: #fff;border-radius: 2px;overflow: hidden;box-shadow: 0 4px 20px rgba(0, 0, 0, 0.08);transition: all 0.4s ease;cursor: pointer;text-align: center;}
.pros .products-grid .product-card:hover {transform: translateY(-8px);box-shadow: 0 12px 40px rgba(0, 0, 0, 0.15);}
.pros .products-grid .product-card .product-img {display: flex;align-items: center;justify-content: center;aspect-ratio: 1 / 1;overflow: hidden;}
.pros .products-grid .product-card .product-img img {width: 100%;height: 100%;object-fit: cover;margin: 0 auto;transition: transform 0.4s ease;}
.pros .products-grid .product-card:hover .product-img img {transform: scale(1.08);}
.pros .products-grid .product-card .product-name{margin:0;padding:8px 12px 0 12px;text-align:left;line-height:1.4;overflow:hidden;font-size: 16px;font-weight: normal !important;color: #000;}
.pros .products-grid .product-card .bo{line-height:35px;padding:0 12px;text-align:left;}
.pros .products-grid .product-card .bo .clas{color:#777;}
.pros .products-grid .product-card .bo .info{margin-right:5px;color:#003592;float:right;}
.pros .more{text-align: center;}
.pros .more .link{display: inline-block;padding: 12px 60px;border: 2px solid #003592;background:#003592;color: #fff;border-radius: 4px;font-size: 16px;transition: all 0.3s ease;}
.pros .more .link:hover {border: 2px solid #003592;background: #fff;color: #003592;}

/* ========================================
   Section 7: Quality
   ======================================== */
.news{padding-top:80px;}
.news .bg {position: absolute;top: 0;left: 0;width: 100%;height: 100%;z-index: 1;}
.news .bg img {width: 100%;height: 100%;object-fit: cover;opacity:0.5;}
.news .section-title img{width:180px;margin:auto;display:block;}
.news .clas{width:100%;margin-bottom:10px;clear:both;text-align:center;}
.news .clas .it{height:45px;line-height:45px;padding:10px 30px;margin:0px 30px;border-radius:20px;background:#fff;color:#333;cursor:pointer;}
.news .clas .it.me{background:#003592;color:#fff;}
.news .clas .it:hover{background:#003592;color:#fff;}
.quality-desc {
    text-align: center;
    max-width: 800px;
    margin: -30px auto 40px;
    font-size: 15px;
    line-height: 1.8;
    color: #666;
}

.news .list{flex: 1;min-height: 0;overflow: hidden;}
.news .list .news-group{display: none;grid-template-columns: 1fr 1fr;gap: 12px;}
.news .list .news-group.active{display: grid;}
.news .list .it{display: grid;grid-template-columns: 180px 1fr;grid-template-rows: auto auto 1fr;background: #fff;border-radius: 8px;overflow: hidden;cursor: pointer;transition: box-shadow 0.3s ease, transform 0.3s ease;}
.news .list .it:hover{box-shadow: 0 6px 24px rgba(0,0,0,0.12);transform: translateY(-2px);}
.news .list .it .pics{grid-column: 1;grid-row: 1 / 4;overflow: hidden;}
.news .list .it .pics img{width: 100%;height: 100%;display: block;object-fit: cover;transition: transform 0.6s ease;}
.news .list .it:hover .pics img{transform: scale(1.06);}
.news .list .it .titl{grid-column: 2;line-height: 1.4;padding: 14px 14px 4px;overflow: hidden;font-size: 16px;color: #222;display: -webkit-box;-webkit-line-clamp: 2;-webkit-box-orient: vertical;}
.news .list .it .titl:hover{color:#003592;}
.news .list .it .time{grid-column: 2;height: 28px;line-height: 28px;padding: 0 14px;font-size: 13px;color: #999;}
.news .list .it .abou{grid-column: 2;max-height:66px;line-height: 22px;padding: 4px 14px 14px;font-size: 14px;color: #777;display: -webkit-box;-webkit-line-clamp: 3;-webkit-box-orient: vertical;overflow: hidden;}

.news .more{text-align: center;margin-top: 40px;}
.news .more .link{display: inline-block;padding: 12px 60px;border: 2px solid #003592;background:#003592;color: #fff;border-radius: 4px;font-size: 16px;transition: all 0.3s ease;}
.news .more .link:hover {border: 2px solid #003592;background: #fff;color: #003592;}

/* ========================================
   Section 8: Partners
   ======================================== */
.hzhb {
    background: #fff;
}

.hzhb .section-title {
    color: #0a1e50;
}

.hzhb .title-line {
    background: linear-gradient(90deg, #0a1e50, #3b7ddd);
}

.hzhb .partners-grid{padding-bottom:20px;overflow:hidden;}
.partners-grid .swiper-wrapper .swiper-slide {display: flex;flex-wrap: wrap;justify-content: center;gap: 24px;}
.partner-item {flex: 0 0 calc(20% - 24px);display: flex;align-items: center;justify-content: center;padding: 20px;background: #fff;
    border-radius: 8px;
    border: 1px solid #eef1f6;
    transition: all 0.3s ease;
    min-height: 140px;
}

.partner-item:hover {
    box-shadow: 0 4px 20px rgba(0, 0, 0, 0.1);
    transform: translateY(-4px);
    border-color: #3b7ddd;
}

.partner-item img {
    max-height: 100px;
    width: auto;
    filter: grayscale(100%);
    opacity: 0.6;
    transition: all 0.3s ease;
}

.partner-item:hover img {
    filter: grayscale(0%);
    opacity: 1;
}

.hzhb .swiper-pagination.swiper-pagination-horizontal{width:auto;position: absolute;bottom: 60px;left: 50%;transform: translateX(-50%);z-index: 3;display: flex;gap: 12px;}
.hzhb .swiper-pagination .swiper-pagination-bullet {width: 14px;height: 14px;border-radius: 50%;background: #999;cursor: pointer;}
.hzhb .swiper-pagination .swiper-pagination-bullet-active {background: #003592;}

/* ========================================
   Section 9: Footer
   ======================================== */
.section-footer {
    background: #0a1e50;
}

.site-footer {
    width: 100%;
}

.footer-main {
    padding: 60px 0 40px;
    border-bottom: 1px solid rgba(255, 255, 255, 0.1);
}

.footer-inner {
    max-width: 1440px;
    margin: 0 auto;
    padding: 0 30px;
    display: flex;
    align-items: flex-start;
    gap: 30px;
}

.footer-brand {
    flex: 0 0 260px;
}

.footer-logo {width: auto;height: 80px;margin-bottom: 16px;}
.footer-company {
    font-size: 16px;
    color: #fff;
    font-weight: 600;
    margin-bottom: 12px;
}

.footer-addr,
.footer-tel {font-size: 13px;color: rgba(255, 255, 255, 0.5);line-height: 1.8;}
.footer-tel a:hover{color: rgba(255, 255, 255, 0.5);}

.footer-links {flex: 1;display: grid;grid-template-columns: repeat(auto-fit, minmax(90px, 1fr));gap: 24px 16px;align-items: start;}
.footer-col {min-width: 0;}
.footer-col h4 {font-size: 14px;color: #fff;font-weight: 600;margin-bottom: 12px;letter-spacing: 1px;}
.footer-col a {display: block;font-size: 13px;color: rgba(255, 255, 255, 0.5);margin-bottom: 8px;transition: color 0.3s ease;white-space: nowrap;overflow: hidden;text-overflow: ellipsis;}
.footer-col a:hover {color: #fff;}
.footer-qrcode {flex: 0 0 120px;text-align: center;}

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

.qr-placeholder {
    width: 100px;
    height: 100px;
    background: #fff;
    border-radius: 8px;
    margin-bottom: 8px;
}

.qr-box span {
    font-size: 12px;
    color: rgba(255, 255, 255, 0.5);
}

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

.footer-bottom .footer-inner {
    display: flex;
    align-items: center;
    justify-content: center;
}

.footer-bottom p {
    font-size: 13px;
    color: rgba(255, 255, 255, 0.4);
}

.footer-bottom a {
    color: rgba(255, 255, 255, 0.5);
    transition: color 0.3s ease;
}

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

/* ========================================
   Right Side Navigation
   ======================================== */
.fp-side-nav {
    position: fixed;
    right: 20px;
    top: 50%;
    transform: translateY(-50%);
    z-index: 9998;
}

.fp-side-nav ul {
    display: flex;
    flex-direction: column;
    gap: 16px;
}

.fp-side-nav li {
    display: flex;
    align-items: center;
    justify-content: flex-end;
    cursor: pointer;
    position: relative;
}

.fp-side-nav .dot {
    width: 10px;
    height: 10px;
    border-radius: 50%;
    background: rgba(255, 255, 255, 0.3);
    border: 2px solid rgba(255, 255, 255, 0.5);
    transition: all 0.3s ease;
}

.fp-side-nav li.active .dot {
    background: #fff;
    border-color: #fff;
    transform: scale(1.3);
}

.fp-side-nav .label {
    position: absolute;
    right: 24px;
    font-size: 12px;
    color: #fff;
    background: rgba(10, 30, 80, 0.85);
    padding: 4px 12px;
    border-radius: 4px;
    white-space: nowrap;
    opacity: 0;
    visibility: hidden;
    transition: all 0.3s ease;
    transform: translateX(10px);
}

.fp-side-nav li:hover .label {
    opacity: 1;
    visibility: visible;
    transform: translateX(0);
}

/* Light section side nav adjustments */
body.light-section .fp-side-nav .dot {
    background: rgba(10, 30, 80, 0.2);
    border-color: rgba(10, 30, 80, 0.4);
}

body.light-section .fp-side-nav li.active .dot {
    background: #0a1e50;
    border-color: #0a1e50;
}

body.light-section .fp-side-nav .label {
    color: #fff;
}

/* ========================================
   Animations
   ======================================== */
@keyframes fadeInUp {
    from {
        opacity: 0;
        transform: translateY(40px);
    }
    to {
        opacity: 1;
        transform: translateY(0);
    }
}

@keyframes bounce {
    0%, 100% {
        transform: translateX(-50%) translateY(0);
    }
    50% {
        transform: translateX(-50%) translateY(-10px);
    }
}

@keyframes scrollDown {
    0% {
        opacity: 1;
        transform: translateX(-50%) translateY(0);
    }
    100% {
        opacity: 0;
        transform: translateX(-50%) translateY(12px);
    }
}

/* Animate on section enter */
.section .section-header,
.section .about-gallery-item,
.section .product-card,
.section .quality-item,
.section .partner-item {
    opacity: 0;
    transform: translateY(30px);
    transition: opacity 0.6s ease, transform 0.6s ease;
}

.section .company-wrap,
.section .technology-wrap {
    opacity: 0;
    transition: opacity 0.7s ease;
}

/* 应用案例卡片动画 */
.section .solution-card {
    opacity: 0;
    transform: translateY(30px);
    transition: opacity 0.6s ease, transform 0.6s ease;
}

.section.active .section-header {
    opacity: 1;
    transform: translateY(0);
}

.section.active .about-gallery-item,
.section.active .product-card,
.section.active .quality-item,
.section.active .partner-item {
    opacity: 1;
    transform: translateY(0);
}

/* 应用案例卡片激活状态 */
.section.active .solution-card {
    opacity: 1;
    transform: translateY(0);
}

.section.active .company-wrap,
.section.active .technology-wrap {
    opacity: 1;
}

/* Stagger delays for grid items */
.section.active .about-gallery-item:nth-child(1),
.section.active .solution-card:nth-child(1),
.section.active .product-card:nth-child(1) { transition-delay: 0s; }

.section.active .about-gallery-item:nth-child(2),
.section.active .solution-card:nth-child(2),
.section.active .product-card:nth-child(2) { transition-delay: 0.05s; }

.section.active .about-gallery-item:nth-child(3),
.section.active .solution-card:nth-child(3),
.section.active .product-card:nth-child(3) { transition-delay: 0.1s; }

.section.active .about-gallery-item:nth-child(4),
.section.active .solution-card:nth-child(4),
.section.active .product-card:nth-child(4) { transition-delay: 0.15s; }

.section.active .solution-card:nth-child(5),
.section.active .product-card:nth-child(5) { transition-delay: 0.2s; }

.section.active .solution-card:nth-child(6),
.section.active .product-card:nth-child(6) { transition-delay: 0.6s; }

.section.active .solution-card:nth-child(7),
.section.active .product-card:nth-child(7) { transition-delay: 0.7s; }

.section.active .solution-card:nth-child(8),
.section.active .product-card:nth-child(8) { transition-delay: 0.8s; }

.section.active .quality-item:nth-child(1) { transition-delay: 0.1s; }
.section.active .quality-item:nth-child(2) { transition-delay: 0.2s; }
.section.active .quality-item:nth-child(3) { transition-delay: 0.3s; }
.section.active .quality-item:nth-child(4) { transition-delay: 0.4s; }

.section.active .partner-item:nth-child(1) { transition-delay: 0.05s; }
.section.active .partner-item:nth-child(2) { transition-delay: 0.1s; }
.section.active .partner-item:nth-child(3) { transition-delay: 0.15s; }
.section.active .partner-item:nth-child(4) { transition-delay: 0.2s; }
.section.active .partner-item:nth-child(5) { transition-delay: 0.25s; }
.section.active .partner-item:nth-child(6) { transition-delay: 0.3s; }
.section.active .partner-item:nth-child(7) { transition-delay: 0.35s; }
.section.active .partner-item:nth-child(8) { transition-delay: 0.4s; }
.section.active .partner-item:nth-child(9) { transition-delay: 0.45s; }
.section.active .partner-item:nth-child(10) { transition-delay: 0.5s; }

/* ========================================
   Responsive
   ======================================== */
@media (max-width: 1200px) {
    .header-inner {
        padding: 0 24px;
    }

    .nav-item > a {
        padding: 28px 14px;
        font-size: 14px;
    }

    .section-inner {
        padding: 0 24px;
    }

    .solutions-grid {
        gap: 14px;
    }

    .solution-card {
        padding: 28px 14px;
    }

    .products-grid {
        gap: 16px;
    }

    .footer-inner {
        gap: 20px;
        padding: 0 24px;
    }
    .footer-brand {
        flex: 0 0 220px;
    }
}

@media (max-width: 992px) {
    .banner-title {
        font-size: 36px;
    }

    .banner-subtitle {
        font-size: 22px;
    }

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

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

    .company-wrap,
    .technology-wrap {
        flex-direction: column;
        gap: 30px;
    }

    .company-image,
    .technology-image {
        flex: auto;
        width: 100%;
    }

    .company-image img,
    .technology-image img {
        height: 280px;
    }

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

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

    .quality-item--large {
        grid-row: span 1;
    }

    .footer-inner {
        flex-wrap: wrap;
        gap: 30px;
    }
    .footer-brand {
        flex: 0 0 100%;
        text-align: center;
    }
    .footer-links {
        flex-wrap: wrap;
        gap: 16px 24px;
        justify-content: flex-start;
    }
    .footer-col {
        flex: 0 0 calc(25% - 18px);
    }
}

@media (max-width: 768px) {
    .header-nav {
        display: none;
    }

    .footer-col {
        flex: 0 0 calc(33.333% - 12px);
    }

    .banner-title {
        font-size: 28px;
        letter-spacing: 2px;
    }

    .banner-subtitle {
        font-size: 18px;
    }

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

    .about-gallery {
        grid-template-columns: 1fr;
    }

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

    .solution-card {
        padding: 20px 10px;
    }

    .products-grid {
        grid-template-columns: repeat(2, 1fr);
        gap: 12px;
    }

    .quality-gallery {
        grid-template-columns: 1fr;
    }

    .partners-grid {
        gap: 12px;
    }

    .partner-item {
        flex: 0 0 calc(33.33% - 12px);
    }

    .fp-side-nav {
        display: none;
    }
}

@media (max-width: 480px) {
    .footer-col {
        flex: 0 0 50%;
    }
}

/* ========================================
   fullPage.js overrides
   ======================================== */
#fp-nav {
    display: none !important;
}