* {
    margin: 0;
    padding: 0;
    box-sizing: border-box;
}
html,
body {
    width: 100%;
    height: 100%;
    overflow: hidden;
}
html {
    overflow-x: hidden;
    overflow-y: scroll;
    -webkit-overflow-scrolling: touch;
    scroll-snap-type: y mandatory;
    height: 100%;
}


body {
    font-family: Helvetica, Arial, sans-serif;
    font-weight: 300;
    line-height: 1.6;
    color: #333;
    background-color: #000;
    overflow: hidden;
    /*overflow-x: hidden;*/
    /*overflow-y: scroll;*/
    -webkit-overflow-scrolling: touch;
    min-height: 100%;
    height: auto;
}

.section {
    width: 100%;
    height: 100vh;
    max-width: 100vw;
    margin: 0;
    padding: 0;
    display: flex;
    align-items: center;
    justify-content: center;
    position: relative;
    background-color: #000;
    overflow: hidden;
    scroll-snap-align: start;
    will-change: opacity, transform;
}

/* 初始隐藏所有section（除了第一个），防止加载时闪烁 */
.section:not(.section-1) {
    opacity: 0;
    transform: translateY(15px);
    visibility: hidden;
    pointer-events: none;
}

/* 当section被激活后显示 */
.section.visible {
    opacity: 1 !important;
    transform: translateY(0) !important;
    visibility: visible !important;
    pointer-events: auto !important;
    background-color: #000;
}

/* 第一个section立即可见 */
.section-1 {
    opacity: 1;
    transform: translateY(0);
    visibility: visible;
    background-color: #000;
}

.section:nth-child(even) {
    background-color: #000;
}

/* 第一部分 - 全屏背景图片 */
.section-1 {
    padding: 0;
    overflow: hidden;
    padding-top: 80px; /* 为导航栏预留空间，但不影响section总高度 */
    box-sizing: border-box;
}

.section-1-bg {
    position: absolute;
    top: 80px; /* 从导航栏下方开始 */
    left: 0;
    right: 0;
    bottom: 0;
    width: 100%;
    height: calc(100% - 80px); /* 减去导航栏高度 */
    background-image: url('https://oss-pai-qtn3yq5bgadm2iubd2-cn-shenzhen.oss-cn-shenzhen.aliyuncs.com/index/1.png');
    background-size: cover;
    background-position: center;
    background-repeat: no-repeat;
    background-color: #000;
    z-index: 0;
    transform: scaleX(1);
    opacity: 1;
    will-change: transform;
}

/* 顶部蒙层 */
.top-overlay {
    position: fixed;
    top: 0;
    left: 0;
    width: 100%;
    height: 80px;
    background: rgba(255, 255, 255, 1);
    backdrop-filter: blur(15px);
    -webkit-backdrop-filter: blur(15px);
    z-index: 1001;
    display: flex;
    align-items: center;
    border-bottom: 1px solid #ccc;
}

.top-nav {
    width: 100%;
    max-width: 1400px;
    margin: 0 auto;
    padding: 0 40px;
    display: flex;
    justify-content: flex-start;
    align-items: center;
    gap: 60px;
}


/* 最后一屏白色主题 */
.top-overlay.white-theme {
    background: rgba(255, 255, 255, 1);
    backdrop-filter: blur(15px);
    -webkit-backdrop-filter: blur(15px);
}

.top-overlay.white-theme .nav-menu-item {
    color: #333;
}

.top-overlay.white-theme .nav-menu-item:hover {
    color: rgba(51, 51, 51, 0.7);
}

.top-overlay.white-theme .nav-menu-item::after {
    background: #333;
}

.top-overlay.white-theme .nav-menu-item.active {
    color: #333;
}

.logo img {
    height: 58px;
    width: auto;
    object-fit: contain;
}

.nav-menu {
    display: flex;
    align-items: center;
    gap: 40px;
    margin-bottom:5px;
}

.nav-menu-item {
    color: #333;
    font-size: 16px;
    font-weight: 300;
    text-decoration: none;
    padding: 10px 0;
    position: relative;
    transition: all 0.3s ease;
    cursor: pointer;
}

.nav-menu-item:hover {
    color: rgba(51, 51, 51, 0.7);
}

.nav-menu-item::after {
    content: '';
    position: absolute;
    bottom: 0;
    left: 0;
    width: 0;
    height: 2px;
    background: #333;
    transition: width 0.3s ease;
}

.nav-menu-item:hover::after {
    width: 100%;
}

.nav-menu-item.active {
    color: #333;
}

.nav-menu-item.active::after {
    width: 100%;
}

.section-1 .container {
    position: relative;
    z-index: 1;
    height: calc(100vh - 80px); /* 减去导航栏高度 */
    display: flex;
    align-items: flex-start;
    padding-top: 0; /* 重置padding */
    margin-top: 60px; /* 调整文字位置 */
}

.section-1 .content {
    width: 100%;
    justify-content: flex-start;
    padding-left: 5px;
    margin-top: 25vh;
}

.section-1 .text-content {
    max-width: 600px;
    color: #fff;
    text-shadow: 0 2px 10px rgba(0, 0, 0, 0.3);
    opacity: 1;
    display: flex;
    flex-direction: column;
    gap: 10px;
    margin-left: 13vw;
}

.section-1 .text-content h2 {
    color: #fff;
    font-size: 2.8rem;
    font-weight: 300;
    margin-bottom: 0;
    line-height: 1.3;
    width: 80%;
    text-shadow: 0 2px 10px rgba(0, 0, 0, 0.5);
}

.section-1 .text-content p {
    color: #fff;
    font-size: 1.5rem;
    line-height: 1.6;
    margin-bottom: 0;
    text-shadow: 0 2px 10px rgba(0, 0, 0, 0.5);
}

.container {
    max-width: 1200px;
    width: 90%;
    margin: 0 auto;
    position: relative;
}

.content {
    display: flex;
    align-items: center;
    gap: 20px;
    flex-wrap: wrap;
}

.content.reverse {
    flex-direction: row-reverse;
}

.section-image {
    flex: 1;
    min-width: 300px;
    max-width: 600px;
    width: 100%;
    height: auto;
    border-radius: 12px;
    box-shadow: 0 10px 30px rgba(0, 0, 0, 0.1);
    object-fit: cover;
    transition: transform 0.3s ease, box-shadow 0.3s ease;
}

.section-image:hover {
    transform: translateY(-5px);
    box-shadow: 0 15px 40px rgba(0, 0, 0, 0.15);
}

/* 第三部分 - 全屏背景图片，逆时针旋转90度 */
.section-3 {
    padding: 0;
    overflow: hidden;
    position: relative;
    padding-top: 80px;
    box-sizing: border-box;
}

.section-3-bg {
    position: absolute;
    top: 80px; /* 从导航栏下方开始 */
    left: 0;
    right: 0;
    bottom: 0;
    width: 100%;
    height: 100%; /* 减去导航栏高度 */
    background-image: url('https://oss-pai-qtn3yq5bgadm2iubd2-cn-shenzhen.oss-cn-shenzhen.aliyuncs.com/index/3.png');
    background-size: cover;
    background-position: center;
    background-repeat: no-repeat;
    background-color: #000;
    z-index: 0;

}

.section-3 .container {
    position: relative;
    z-index: 1;
    height: calc(100vh - 80px);
    display: flex;
    align-items: flex-start;
    padding-top: 0; /* 重置padding */
    justify-content: flex-start;
}

.section-3 .content {
    width: 100%;
    padding: 75px 0 0 5px;
    justify-content: flex-start;
    align-items: flex-start;
}

.section-3 .text-content {
    max-width: 700px;
    color: #fff;
}

.section-3 .text-content h2 {
    color: #fff;
    font-size: 2.5rem;
    font-weight: 300;
    line-height: 1.4;
    text-shadow: 0 2px 10px rgba(0, 0, 0, 0.5);
}

.section-3 .text-content p {
    color: #fff;
    text-shadow: 0 2px 8px rgba(0, 0, 0, 0.5);
}

/* 第四部分 - 全屏背景图片，按比例截取 */
.section-4 {
    padding: 0;
    overflow: hidden;
    position: relative;
    padding-top: 80px;
    box-sizing: border-box;
}

.section-4-bg {
    position: absolute;
    top: 80px;
    left: 0;
    width: 100%;
    height: 100%;
    background-image: url('https://oss-pai-qtn3yq5bgadm2iubd2-cn-shenzhen.oss-cn-shenzhen.aliyuncs.com/index/4.png');
    background-size: cover;
    background-position: center;
    background-repeat: no-repeat;
    background-color: #000;
    z-index: 0;
}

.section-4 .container {
    position: relative;
    z-index: 1;
    height: calc(100vh - 80px);
    display: flex;
    align-items: flex-start;
    justify-content: flex-start;
}

.section-4 .content {
    width: 100%;
    justify-content: flex-start;
    align-items: flex-start;
    padding: 75px 0 0 5px;
}

.section-4 .text-content {
    color: #fff;
}

.section-4 .text-content h2 {
    color: #fff;
    text-shadow: 0 2px 10px rgba(0, 0, 0, 0.5);
}

.section-4 .text-content p {
    color: #fff;
    text-shadow: 0 2px 8px rgba(0, 0, 0, 0.5);
}

/* 第五部分 - 全屏背景图片，按比例截取 */
.section-5 {
    padding: 0;
    overflow: hidden;
    position: relative;
    padding-top: 80px;
    box-sizing: border-box;
}

.section-5-bg {
    position: absolute;
    top: 80px;
    left: 0;
    width: 100%;
    height: 100%;
    background-image: url('https://oss-pai-qtn3yq5bgadm2iubd2-cn-shenzhen.oss-cn-shenzhen.aliyuncs.com/index/5.png');
    background-size: cover;
    background-position: center;
    background-repeat: no-repeat;
    background-color: #000;
    z-index: 0;
}

.section-5 .container {
    position: relative;
    z-index: 1;
    height: calc(100vh - 80px);
    display: flex;
    align-items: flex-end;
    justify-content: flex-start;
}

.section-5 .content {
    width: 100%;
    justify-content: flex-start;
    align-items: flex-start;
    padding: 0 0 75px 5px;
}

.section-5 .text-content {
    color: #fff;
}

.section-5 .text-content h2 {
    color: #fff;
    font-size: 2.5rem;
    font-weight: 300;
    margin-bottom: 15px;
    text-shadow: 0 2px 10px rgba(0, 0, 0, 0.5);
}

.section-5 .text-content p {
    color: #fff;
    font-size: 1.5rem;
    text-shadow: 0 2px 8px rgba(0, 0, 0, 0.5);
}

/* 第六部分 - 全屏背景图片，按比例截取 */
.section-6 {
    padding: 0;
    overflow: hidden;
    position: relative;
    padding-top: 80px;
    box-sizing: border-box;
}

.section-6-bg {
    position: absolute;
    top: 80px;
    left: 0;
    width: 100%;
    height: 100%;
    background-image: url('https://oss-pai-qtn3yq5bgadm2iubd2-cn-shenzhen.oss-cn-shenzhen.aliyuncs.com/index/6.png');
    background-size: cover;
    background-position: center;
    background-repeat: no-repeat;
    background-color: #000;
    z-index: 0;
}

.section-6 .container {
    position: relative;
    z-index: 1;
    height: calc(100vh - 80px);
    display: flex;
    align-items: flex-start;
    justify-content: flex-start;
}

.section-6 .content {
    width: 100%;
    justify-content: flex-start;
    align-items: flex-start;
    padding: 75px 0 0 5px;
}

.section-6 .text-content {
    color: #fff;
}

.section-6 .text-content h2 {
    color: #fff;
    font-size: 2.5rem;
    font-weight: 300;
    margin-bottom: 15px;
    text-shadow: 0 2px 10px rgba(0, 0, 0, 0.5);
}

.section-6 .text-content p {
    color: #fff;
    font-size: 1.5rem;
    text-shadow: 0 2px 8px rgba(0, 0, 0, 0.5);
}

/* 第七部分 - 全屏背景图片，按比例截取 */
.section-7 {
    padding: 0;
    overflow: hidden;
    position: relative;
    padding-top: 80px;
    box-sizing: border-box;
}

.section-7-bg {
    position: absolute;
    top: 80px;
    left: 0;
    width: 100%;
    height: 100%;
    background-image: url('https://oss-pai-qtn3yq5bgadm2iubd2-cn-shenzhen.oss-cn-shenzhen.aliyuncs.com/index/7.png');
    background-size: cover;
    background-position: center;
    background-repeat: no-repeat;
    background-color: #000;
    z-index: 0;
}

.section-7 .container {
    position: relative;
    z-index: 1;
    height: calc(100vh - 80px);
    display: flex;
    align-items: flex-start;
    justify-content: flex-start;
}

.section-7 .content {
    width: 100%;
    justify-content: flex-start;
    align-items: flex-start;
    padding: 75px 0 0 5px;
}

.section-7 .text-content {
    color: #fff;
}

.section-7 .text-content h2 {
    color: #fff;
    font-size: 2.5rem;
    font-weight: 300;
    margin-bottom: 15px;
    text-shadow: 0 2px 10px rgba(0, 0, 0, 0.5);
}

.section-7 .text-content p {
    color: #fff;
    font-size: 1.5rem;
    text-shadow: 0 2px 8px rgba(0, 0, 0, 0.5);
}

/* 第八部分 - 全屏背景图片，按比例截取 */
.section-8 {
    padding: 0;
    overflow: hidden;
    position: relative;
    padding-top: 80px;
    box-sizing: border-box;
}

.section-8-bg {
    position: absolute;
    top: 80px;
    left: 0;
    width: 100%;
    height: 100%;
    background-image: url('https://oss-pai-qtn3yq5bgadm2iubd2-cn-shenzhen.oss-cn-shenzhen.aliyuncs.com/index/8.png');
    background-size: cover;
    background-position: center;
    background-repeat: no-repeat;
    background-color: #000;
    z-index: 0;
}

.section-8 .container {
    position: relative;
    z-index: 1;
    height: calc(100vh - 80px);
    display: flex;
    align-items: flex-start;
    justify-content: flex-start;
}

.section-8 .content {
    width: 100%;
    justify-content: flex-start;
    align-items: flex-start;
    padding: 75px 0 0 5px;
}

.section-8 .text-content {
    color: #fff;
}

.section-8 .text-content h2 {
    color: #fff;
    font-size: 2.5rem;
    font-weight: 300;
    margin-bottom: 15px;
    text-shadow: 0 2px 10px rgba(0, 0, 0, 0.5);
}

.section-8 .text-content p {
    color: #fff;
    font-size: 1.5rem;
    text-shadow: 0 2px 8px rgba(0, 0, 0, 0.5);
    width: 140%
}

/* 第九部分 - 全屏背景图片，高斯模糊 */
.section-9 {
    padding: 0;
    overflow: hidden;
    position: relative;
    display: flex;
    background-color: #fff;
}

.section-9.show {
    display: flex;
}

.section-9-bg {
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background-color: #fff;
    z-index: 0;
}

/* 百叶窗遮罩层 */
.section-9::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background: #fff;
    z-index: 1;
    transform: scaleY(1);
    transform-origin: top;
    transition: transform 1s ease-out;
}

.section-9.show::before {
    transform: scaleY(0);
}

/* 百叶窗条带效果 */
.section-9-bg::after {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background: linear-gradient(
            to bottom,
            transparent 0%,
            transparent 10%,
            #fff 10%,
            #fff 20%,
            transparent 20%,
            transparent 30%,
            #fff 30%,
            #fff 40%,
            transparent 40%,
            transparent 50%,
            #fff 50%,
            #fff 60%,
            transparent 60%,
            transparent 70%,
            #fff 70%,
            #fff 80%,
            transparent 80%,
            transparent 90%,
            #fff 90%,
            #fff 100%
    );
    z-index: 2;
    opacity: 1;
    transition: opacity 1s ease-out;
}

.section-9.show .section-9-bg::after {
    opacity: 0;
}

.section-9 .container {
    position: relative;
    z-index: 3;
    height: calc(100vh - 150px);
    min-height: calc(100vh - 150px);
    display: flex;
    align-items: center;
    justify-content: center;
    width: 100%;
    box-sizing: border-box;
    margin-bottom: 60px;
}

.section-9 .content {
    width: 100%;
    display: flex;
    flex-direction: column;
    justify-content: center;
    align-items: center;
    padding: 0;
    text-align: center;
    margin-bottom: 0px;

}

.section-9 .text-content {
    color: #333;
}

.section-9 .text-content h2 {
    color: #333;
    font-size: 2.5rem;
    font-weight: 200;
    line-height: 1.4;
    text-shadow: none;
    margin-bottom: 10px;
    letter-spacing: 0em;
    max-width: 900px;
}

.section-9 .text-content p {
    color: #333;
    font-size: 1.2rem;
    font-weight: 200;
    text-shadow: none;
    letter-spacing: 0em;
    max-width: 1100px;
    line-height: 1;
}

/* 第九部分底部蒙层 */
.footer-overlay {
    position: absolute;
    bottom: 0;
    left: 0;
    width: 100%;
    background: rgba(0, 0, 0, 1);
    backdrop-filter: blur(10px);
    z-index: 4;
    padding: 20px 0;
}

.footer-content {
    max-width: 1400px;
    margin: 0 auto;
    padding: 0 40px;
    display: flex;
    flex-direction: column;
    gap: 20px;
}

.footer-links {
    display: flex;
    gap: 30px;
    justify-content: flex-start;
    padding-bottom: 5px;
    border-bottom: 1px solid rgba(255, 255, 255, 0.3);
    margin-bottom: 0px;
}

.footer-country {
    color: #fff;
    font-size: 14px;
    margin-bottom: 0px;
    opacity: 0.9;
}

.footer-link {
    color: #fff;
    font-size: 14px;
    text-decoration: none;
    transition: opacity 0.3s ease;
}

.footer-link:hover {
    opacity: 0.8;
    text-decoration: underline;
}

.footer-info {
    display: grid;
    grid-template-rows: repeat(2, auto);
    grid-auto-flow: column;
    gap: 8px 40px;
    align-items: start;
    justify-content: flex-start;
}

.footer-text {
    color: #fff;
    font-size: 10px;
    margin: 0;
    opacity: 0.9;
    line-height: 1.6;
}

.text-content {
    flex: 1;
    min-width: 300px;
}

.text-content h2 {
    font-size: 2.5rem;
    margin-bottom: 20px;
    color: #2c3e50;
    font-weight: 300;
}

.text-content p {
    font-size: 1.1rem;
    color: #666;
    line-height: 0;
}

/* 第二部分 - 图片画廊 */
.section-2 {
    position: relative;
    overflow: hidden;
    height: 100vh;
    width: 100%;
    max-width: 100vw;
}

.section-2-bg {
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100vh;
    background-image: url('https://oss-pai-qtn3yq5bgadm2iubd2-cn-shenzhen.oss-cn-shenzhen.aliyuncs.com/index/2_1.png');
    background-size: cover;
    background-position: center;
    background-repeat: no-repeat;
    background-color: #000;
    filter: blur(20px);
    transform: scale(1.15);
    z-index: 0;
    opacity: 1;
    transition: background-image 0.6s ease;
}

.container-title{
    position: absolute;
    top: 1px; /* 距离顶部导航10px */
    left: 50%;
    transform: translateX(-50%);
    z-index: 2;
    color: #fff;
    text-shadow: 0 2px 10px rgba(0, 0, 0, 0.5);
    font-size: 2.5rem;
    font-weight: 300;
    width: 140%;
}

.container-title h2{
    position: inherit;
    top: 110px; /* 距离顶部导航10px */
    left: 50%;
    transform: translateX(-50%);
    z-index: 2;
    color: #fff;
    text-shadow: 0 2px 10px rgba(0, 0, 0, 0.5);
    font-size: 2.5rem;
    font-weight: 300;
}

.section-2 .container {
    position: relative;
    z-index: 1;
    min-height: 100vh;
    height: 100vh;
    display: flex;
    flex-direction: column;
    justify-content: center; /* 垂直居中 */
    align-items: center; /* 水平居中 */
    overflow: hidden;
}

.section-2 .content {
    flex-direction: column;
    text-align: center;
    flex: 1;
    justify-content: center;
    align-items: center;
    padding-top: 150px; /* 增加内边距为标题留出空间 */
    width: 100%;
    box-sizing: border-box;
    position: relative;
}

.image-gallery {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    grid-template-rows: auto auto;
    row-gap: 12px;
    column-gap: 12px;
    width: 100%;
    max-width: 60%;
    position: relative;
    z-index: 1;
    flex-shrink: 0;
    align-items: start;
    align-content: start;
    grid-auto-flow: row;
    margin-bottom: 80px;
}

/* PC模式下隐藏gallery-column */
.gallery-column {
    display: contents;
}

.gallery-item {
    position: relative;
    cursor: pointer;
    width: 100%;
    overflow: visible;
    min-height: 0;
    display: block;
    transition: transform 0.4s ease;
    grid-row: span 1;
    align-self: start;
    padding-bottom: 100%; /* 保持1:1比例容器 */
}

.image-wrapper {
    position: absolute;
    top: 0;
    left: 0;
    width: 90%;
    height: 90%;
    padding-bottom: 0;
    overflow: hidden;
    border-radius: 12px;
    box-shadow: 0 5px 20px rgba(0, 0, 0, 0.3);
    transition: height 0.4s ease, box-shadow 0.4s ease, z-index 0s;
    background: #000;
    margin-bottom: 0;
    z-index: 1;
}

/* 第一排图片hover时向下扩展 */
.gallery-item:nth-child(-n+3) {
    overflow: visible;
}

.gallery-item:nth-child(-n+3).active {
    padding-bottom: 100%; /* 保持grid单元格高度不变 */
}

.gallery-item:nth-child(-n+3).active .image-wrapper {
    height: 133.33%; /* 3:4比例，向下扩展超出grid单元格 */
    box-shadow: 0 10px 30px rgba(0, 0, 0, 0.5);
    z-index: 100; /* 提高层级，覆盖在其他元素上方 */
    position: absolute;
    top: 0;
    left: 0;
}

.gallery-item:nth-child(-n+3).active .image-caption {
    top: auto;
    bottom: calc(100% - 133.33% + 20px); /* 定位到扩展后的图片底部 */
    position: absolute;
    width: calc(90% - 40px);
    left: 5%;
    right: auto;
    transform: translateY(0);
    opacity: 1;
    visibility: visible;
    z-index: 101;
}

/* 第二排图片hover时向上扩展 */
.gallery-item:nth-child(4),
.gallery-item:nth-child(5),
.gallery-item:nth-child(6) {
    overflow: visible;
}

.gallery-item:nth-child(n+4) {
    align-self: start;
}

.gallery-item:nth-child(n+4).active {
    align-self: start;
    padding-bottom: 100%; /* 保持grid单元格高度不变 */
}

.gallery-item:nth-child(n+4).active .image-wrapper {
    height: 133.33%; /* 3:4比例，向上扩展超出grid单元格 */
    box-shadow: 0 10px 30px rgba(0, 0, 0, 0.5);
    z-index: 100; /* 提高层级，覆盖在其他元素上方 */
    position: absolute;
    top: auto;
    bottom: 10%; /* 从底部开始，向上扩展 */
    left: 0;
}

.gallery-item:nth-child(n+4).active .image-caption {
    top: auto;
    bottom: calc(100% - 133.33% + 20px); /* 定位到扩展后的图片底部 */
    position: absolute;
    width: calc(90% - 40px);
    left: 5%;
    right: auto;
    transform: translateY(0);
    opacity: 1;
    visibility: visible;
    z-index: 101;
}

.gallery-image {
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    object-fit: cover;
    transition: transform 0.4s ease;
}

.gallery-item.active .gallery-image {
    transform: scale(1.05);
    object-fit: cover;
    object-position: center;
}

.image-caption {
    position: absolute;
    bottom: 20px;
    left: 20px;
    right: 20px;
    color: #fff;
    font-size: 0.65rem;
    font-weight: 300;
    line-height: 1.3;
    text-align: left;
    text-shadow: 0 4px 12px rgba(0, 0, 0, 1), 0 2px 6px rgba(0, 0, 0, 0.8);
    opacity: 0;
    transform: translateY(10px);
    transition: opacity 0.3s ease, transform 0.3s ease;
    z-index: 15;
    pointer-events: none;
    margin: 0;
    padding: 0;
    visibility: hidden;
    max-width: calc(90% - 40px); /* 限制宽度，匹配image-wrapper */
}

.gallery-item.active .image-caption {
    opacity: 1;
    visibility: visible;
    transition: opacity 0.3s ease, transform 0.3s ease;
    transform: translateY(0);
}

/* 响应式设计 */

/* 中等屏幕 - 导航栏自适应 */
@media (max-width: 1440px) {

    .section-1 .content {
        width: 100%;
        justify-content: flex-start;
        padding-left: 5px;
        margin-top: 5vh;
    }

    .container-title{
        position: absolute;
        top: 1px; /* 距离顶部导航10px */
        left: 50%;
        transform: translateX(-50%);
        z-index: 2;
        color: #fff;
        text-shadow: 0 2px 10px rgba(0, 0, 0, 0.5);
        font-size: 2.5rem;
        font-weight: 300;
        width: 140%;
    }

    .container-title h2{
        position: inherit;
        top: calc(80px + 2vh); /* 距离顶部导航10px */
        left: 50%;
        transform: translateX(-50%);
        z-index: 2;
        color: #fff;
        text-shadow: 0 2px 10px rgba(0, 0, 0, 0.5);
        font-size: 2.5rem;
        font-weight: 300;
    }

    .top-overlay {
        height: 80px;
    }

    .logo img {
        height: 58px;
    }


    .nav-menu {
        gap: 30px;
        margin-bottom: 8px;
    }

    .nav-menu-item {
        font-size: 14px;
    }

    .section-1 .container {
        padding-top: 170px;
    }
}

@media (max-width: 768px) {
    /* 移动端禁用滚动捕捉 */
    html {
        scroll-snap-type: none;
    }

    /* 移动端隐藏向下箭头 */
    .scroll-down-arrow {
        display: none;
    }

    /* Section基础样式 - 移动端 */
    .section {
        width: 100vw;
        height: auto;
        min-height: auto;
        max-width: 100vw;
        overflow: visible;
        scroll-snap-align: none;
        scroll-snap-stop: normal;
    }

    .container-title{
        position: absolute;
        top: -50px; /* 距离顶部导航10px */
        left: 50%;
        transform: translateX(-50%);
        z-index: 2;
        color: #fff;
        text-shadow: 0 2px 10px rgba(0, 0, 0, 0.5);
        font-size: 2.5rem;
        font-weight: 300;
        width: 140%;
    }

    .container-title h2{
        position: inherit;
        top: 110px; /* 距离顶部导航10px */
        left: 50%;
        transform: translateX(-50%);
        z-index: 2;
        color: #fff;
        text-shadow: 0 2px 10px rgba(0, 0, 0, 0.5);
        font-size: 2.5rem;
        font-weight: 300;
    }


    /* 第2-8部分 - 移动端，3/4屏幕高度 */
    .section-2,
    .section-3,
    .section-4,
    .section-5,
    .section-6,
    .section-7,
    .section-8 {
        height: auto;
        min-height: 75vh;
        padding-top: 0 !important; /* 移动端移除PC端的padding-top */
        box-sizing: content-box !important; /* 移动端恢复默认盒模型 */
    }

    /* 第九部分特殊处理 */
    .section-9 {
        height: auto;
        min-height: 75vh;
    }

    .section-2-bg,
    .section-3-bg,
    .section-4-bg,
    .section-5-bg,
    .section-6-bg,
    .section-7-bg,
    .section-8-bg,
    .section-9-bg {
        height: 100%;
        min-height: 75vh;
        background-size: cover !important; /* 移动端使用cover */
        top: 0 !important; /* 移动端背景图从顶部开始 */
    }

    .section-2 .container,
    .section-3 .container,
    .section-4 .container,
    .section-5 .container,
    .section-6 .container,
    .section-7 .container,
    .section-8 .container {
        height: auto;
        min-height: 75vh;
    }

    .section-9 .container {
        width: 100% !important;
        height: auto !important;
        min-height: 75vh !important; /* 和第8屏保持一致的高度 */
        max-height: none !important;
        padding: 250px 0 250px 0 !important; /* 增加底部padding，避免被footer遮挡 */
        display: flex !important;
        align-items: center !important;
        justify-content: center !important;
        margin-bottom: 0px;
    }

    .section-9 .content {
        display: flex !important;
        flex-direction: column !important;
        justify-content: center !important;
        align-items: center !important;
        padding: 0 !important;
    }

    .section-9 {
        position: relative;
        padding-bottom: 200px; /* 增加底部空间，避免被footer遮挡 */
    }

    /* 第一部分 - 移动端 */
    .section-1 {
        height: 25vh;
        min-height: 200px;
        display: flex;
        flex-direction: column;
        margin-top: 60px; /* 导航栏高度，使背景图显示在导航栏下方 */
        padding-top: 0; /* 移除PC端的padding-top */
    }

    .section-1-bg {
        height: 25vh;
        min-height: 200px;
        top: 0;
    }

    .section-1 .container {
        height: 25vh;
        min-height: 200px;
        flex: 1;
        position: relative;
        padding-top: 0; /* 移除PC端的padding-top */
    }

    /* 第一部分 - 移动端 */
    .section-1 .content {
        padding-left: 20px;
        padding-right: 20px;
        justify-content: flex-start;
        align-items: flex-start;
        padding-top: 20px;
        position: absolute;
        top: 0;
        left: 0;
        width: 100%;
        height: 100%;
    }

    .section-1 .text-content {
        max-width: 100% !important;
        width: 100%;
        gap: 10px;
        margin-top: -70px;
        margin-left: 0vw;
    }

    .section-1 .text-content h2 {
        max-width: 100%;
        width: 100%;
    }

    .section-1 .text-content h2 {
        font-size: 1.6rem;
        margin-bottom: 0;
        line-height: 1.3;
    }

    .section-1 .text-content p {
        font-size: 0.9rem;
        line-height: 1.6;
        margin-bottom: 0;
        margin-left: 1px;
    }

    /* 第二部分 - 移动端 */
    .section-2 {
        width: 100vw;
        overflow: hidden;
        position: relative;
        isolation: isolate;
        padding-bottom: 0px;
    }

    /* 移动端保留背景模糊效果 */
    .section-2-bg {
        display: block;
        position: absolute;
        top: 0;
        left: 0;
        width: 100%;
        height: auto;
        min-height: 75vh;
        transform: scale(1.15);
        filter: blur(20px);
        opacity: 1;
        z-index: 0;
        transition: min-height 0.4s ease; /* 添加高度过渡效果 */
    }

    .section-2 .container {
        min-height: auto;
        height: auto;
        padding: 60px 20px 0px 20px;
        overflow: visible;
    }

    .section-2 .content {
        padding: 0;
        overflow: visible;
    }

    .section-2 .text-content {
        margin-bottom: 20px;
        width: 100%;
    }

    .section-2 h2 {
        font-size: 1.8rem;
        color: #fff;
        text-align: left;
        padding-left: 0;
    }

    .section-2 p {
        font-size: 0.9rem;
    }

    /* 图片网格 - 两列瀑布流 */
    .image-gallery {
        display: flex;
        flex-direction: row;
        gap: 8px;
        max-width: 100%;
        width: 100%;
        padding: 0;
        align-items: flex-start;
    }

    .gallery-column {
        flex: 1;
        display: flex;
        flex-direction: column;
        gap: 8px;
    }

    /* 移动端图片项 */
    .gallery-item {
        overflow: visible;
        min-height: 0;
        position: relative;
        z-index: auto;
        align-self: start;
        height: 0;
        padding-bottom: 100%; /* 默认1:1正方形 */
        transition: padding-bottom 0.4s ease, margin-top 0.4s ease;
    }

    /* 移动端图片包裹器 */
    .gallery-item .image-wrapper {
        position: absolute;
        top: 0;
        left: 0;
        width: 100%;
        height: 100%;
        padding-bottom: 0;
        overflow: hidden;
        border-radius: 8px;
        box-shadow: 0 5px 20px rgba(0, 0, 0, 0.3);
        background: transparent;
        margin-bottom: 0;
        transition: box-shadow 0.3s ease;
    }


    /* 移动端图片 */
    .gallery-item .gallery-image {
        position: relative;
        width: 100%;
        height: auto;
        display: block;
        object-fit: cover;
        transition: transform 0.3s ease;
    }

    /* 移动端显示图片说明文字 - 叠加在图片上 */
    .gallery-item .image-caption {
        position: absolute;
        opacity: 0;
        visibility: hidden;
        transform: translateY(10px);
        bottom: 15px;
        left: 15px;
        right: 15px;
        top: auto;
        color: #fff;
        font-size: 0.85rem;
        line-height: 1.5;
        text-shadow: 0 4px 12px rgba(0, 0, 0, 1), 0 2px 6px rgba(0, 0, 0, 0.8);
        padding: 0;
        margin: 0;
        text-align: left;
        max-width: none;
        pointer-events: none;
        transition: opacity 0.3s ease, transform 0.3s ease;
        z-index: 15;
    }

    /* 移动端active效果 - 展开为3:4 */
    .gallery-item.active {
        padding-bottom: 133.33%; /* 展开为3:4比例 */
    }

    .gallery-item.active .image-wrapper {
        box-shadow: 0 8px 25px rgba(0, 0, 0, 0.4);
    }

    .gallery-item.active .gallery-image {
        transform: scale(1.03);
    }

    .gallery-item.active .image-caption {
        opacity: 1;
        visibility: visible;
        transform: translateY(0);
    }

    /* 移动端覆盖PC端的样式 */
    .gallery-item:nth-child(-n+3).active {
        margin-top: 0 !important;
    }


    /* 第九部分 - 移动端 */
    .section-9 {
        width: 100vw;
        left: 0;
        position: relative;
        overflow: visible;
    }

    .section-9 .content {
        padding: 20px;
    }

    .section-3 .text-content,
    .section-4 .text-content,
    .section-5 .text-content,
    .section-6 .text-content,
    .section-7 .text-content,
    .section-8 .text-content,
    .section-9 .text-content {
        max-width: 90%;
        padding: 0 20px;
        text-align: left; /* 移动端文字居中显示 */
        display: flex;
        flex-direction: column;
        align-items: center; /* 元素在其父容器中居中 */
        justify-content: center;
    }

    /* 第三屏移动端文字大小 */
    .section-3 .text-content h2 {
        font-size: 1.5rem;
        margin-left: 90px;
        width: 140%;
    }

    /* 第四屏移动端文字大小 */
    .section-4 .text-content h2 {
        font-size: 1.5rem;
        margin-left: 5px;
        width: 110%;
    }

    /* 第五屏移动端文字大小 */
    .section-5 .text-content h2 {
        font-size: 1.5rem;
        margin-left: 5px;
        width: 110%;
    }

    /* 第六屏移动端文字大小 */
    .section-6 .text-content h2 {
        font-size: 1.5rem;
        margin-left: 5px;
        width: 110%;
    }

    /* 第七屏移动端文字大小 */
    .section-7 .text-content h2 {
        font-size: 1.5rem;
        margin-left: 5px;
        width: 110%;
    }

    /* 第八屏移动端文字大小 */
    .section-8 .text-content h2 {
        font-size: 1.5rem;
        margin-left: 5px;
        width: 110%;
    }

    /* 第九屏移动端文字大小 */
    .section-9 .text-content h2 {
        font-size: 2.0rem;
        text-align: center; /* 移动端标题居中显示 */
    }

    .section-9 .text-content p {
        text-align: center; /* 移动端段落文字居中显示 */
    }

    .section-3 .content,
    .section-4 .content,
    .section-5 .content,
    .section-6 .content,
    .section-7 .content,
    .section-8 .content {
        padding: 40px 0;
    }

    /* 底部信息蒙层 - 移动端 */
    .footer-overlay {
        padding: 20px 0;
        position: absolute;
        bottom: 0;
        left: 0;
        width: 100%;
    }

    .footer-content {
        padding: 0 20px;
        gap: 15px;
    }

    .footer-links {
        gap: 20px;
    }

    .footer-link {
        font-size: 16px;
    }

    .footer-info {
        display: flex;
        flex-direction: column;
        gap: 8px;
        align-items: flex-start;
    }

    .footer-text {
        font-size: 11px;
        text-align: left;
    }

    .text-content h2 {
        font-size: 1.8rem;
        margin-bottom: 10px;
    }

    .text-content p {
        font-size: 0.95rem;
        line-height: 0;
        margin-left: -20px;
    }

    /* 顶部导航 - 移动端 */
    .top-overlay {
        height: 60px;
    }

    .top-nav {
        padding: 0 15px;
        align-items: center;
    }

    .logo {
        display: flex;
        align-items: center;
        margin-top: 8px;
    }

    .logo img {
        height: 40px;
    }

    .nav-menu {
        gap: 15px;
        align-items: center;
        margin-left: -20px;
        display: flex;
        margin-bottom: 0px;
    }

    .nav-menu-item {
        font-size: 14px;
        padding: 0;
        line-height: 1;
        display: flex;
        align-items: center;
    }

    .nav-menu-item::after {
        bottom: -5px;
    }

    /* 箭头 - 移动端 */
    .section-1 .scroll-right-arrow {
        position: relative;
        left: 0;
        bottom: 0;
        margin-top: 5px;
    }

    .section-1 .arrow-wrapper {
        padding: 0px 0px;
        gap: 0px;
    }

    .section-1 .arrow-text {
        font-size: 0.7rem;
        margin-left: 7px
    }

    .section-1 .arrow-circle {
        width: 28px;
        height: 28px;
    }

    .section-1 .scroll-right-arrow svg {
        width: 15px;
        height: 15px;
    }

    .arrow-circle-down {
        width: 36px;
        height: 36px;
    }

    .scroll-down-arrow {
        bottom: 30px;
    }

    .scroll-down-arrow svg {
        width: 18px;
        height: 18px;
    }

    /* 移动端触摸优化 */
    .gallery-item {
        -webkit-tap-highlight-color: transparent;
    }

    .scroll-down-arrow,
    .scroll-right-arrow,
    .scroll-up-arrow {
        -webkit-tap-highlight-color: transparent;
        touch-action: manipulation;
    }

    /* 向上箭头 - 移动端 */
    .scroll-up-arrow {
        bottom: 30px;
        right: 20px;
    }

    .arrow-circle-up {
        width: 36px;
        height: 36px;
    }

    .scroll-up-arrow svg {
        width: 18px;
        height: 18px;
    }

    /* 移动端触摸设备优化 */
    @media (hover: none) {
        /* 触摸设备上，点击时保持hover效果 */
        .gallery-item:active .image-wrapper {
            height: 133.33%;
            box-shadow: 0 10px 30px rgba(0, 0, 0, 0.5);
        }

        .gallery-item:active .image-caption {
            opacity: 1;
            transform: translateY(0);
        }
    }
}

/* 小屏幕手机适配 */
@media (max-width: 480px) {
    .section-1 .text-content h2 {
        font-size: 1.1rem;
        width: 60%;

    }

    .section-1 .text-content p {
        font-size: 0.75rem;
        margin-left: 1px;
    }

    .text-content h2 {
        font-size: 1.5rem;
    }
    .section-3 .text-content p {
        font-size: 1rem;
    }
    .section-4 .text-content p {
        font-size: 1rem;
    }
    .section-5 .text-content p {
        font-size: 1rem;
        width: 100%;
        
    }
    .section-6 .text-content p {
        font-size: 1rem;
        width: 100%;
        
    }
    .section-7 .text-content p {
        font-size: 1rem;
        width: 100%;
       
    }
    .section-8 .text-content p {
        font-size: 1rem;
        width: 100%;
        
    }

    .text-content p {
        font-size: 1rem;
    }

    .section-2 h2 {
        font-size: 1.5rem;
        margin-top: -50px;
    }

    .gallery-item .image-caption {
        font-size: 0.8rem;
    }

    .arrow-text {
        font-size: 0.75rem;
    }

    .arrow-wrapper {
        padding: 2px 4px;
    }

    .top-overlay {
        height: 60px;
    }

    .logo img {
        height: 40px;
    }
}

/* 平板适配 */
@media (min-width: 769px) and (max-width: 1024px) {
    .section {
        width: 100vw;
        max-width: 100vw;
    }

    .image-gallery {
        max-width: 88%;
        gap: 15px;
        margin-bottom: 80px;
    }

    .section-1 .content {
        padding-left: 40px;
    }

    .section-1 .scroll-right-arrow {
        left: 40px;
    }

    .section-3 .content,
    .section-4 .content,
    .section-5 .content,
    .section-6 .content,
    .section-7 .content,
    .section-8 .content {
        padding-left: 40px;
    }
}

/* 滚动动画 */
@keyframes fadeInUp {
    from {
        opacity: 0;
        transform: translateY(15px);
    }
    to {
        opacity: 1;
        transform: translateY(0);
    }
}

.section:not(.section-1) {
    animation: fadeInUp 0.4s ease-out;
}

/* 向下箭头图标 */
.scroll-down-arrow {
    position: absolute;
    bottom: 40px;
    left: 50%;
    transform: translateX(-50%);
    z-index: 10;
    cursor: pointer;
    transition: all 0.3s ease;
    animation: bounce 2s infinite;
}

.scroll-down-arrow:hover {
    transform: translateX(-50%) translateY(5px);
}

.arrow-circle-down {
    width: 48px;
    height: 48px;
    border-radius: 50%;
    background: rgba(255, 255, 255, 0.2);
    backdrop-filter: blur(10px);
    display: flex;
    align-items: center;
    justify-content: center;
    transition: all 0.3s ease;
    border: 1px solid rgba(255, 255, 255, 0.3);
}

.scroll-down-arrow:hover .arrow-circle-down {
    background: rgba(255, 255, 255, 0.3);
}

.scroll-down-arrow svg {
    width: 24px;
    height: 24px;
    color: #fff;
    filter: drop-shadow(0 2px 8px rgba(0, 0, 0, 0.3));
    transition: transform 0.3s ease;
}

/* 第一部分箭头特殊样式 - 向右箭头，在text-content内 */
.section-1 .scroll-right-arrow {
    position: relative;
    left: 0;
    bottom: 0;
    z-index: 10;
    cursor: pointer;
    transition: all 0.3s ease;
    align-self: flex-start;
    margin-top: 5px;
}

.scroll-right-arrow {
    position: absolute;
    bottom: 260px;
    left: 5px;
    z-index: 10;
    cursor: pointer;
    transition: all 0.3s ease;
}

.arrow-wrapper {
    display: flex;
    align-items: center;
    gap: 15px;
    padding: 12px 20px;
    background: rgba(255, 255, 255, 0.2);
    backdrop-filter: blur(10px);
    border-radius: 50px;
    border: 1px solid rgba(255, 255, 255, 0.3);
    transition: all 0.3s ease;
    margin-top: 8px;
}

.scroll-right-arrow:hover .arrow-wrapper {
    background: rgba(255, 255, 255, 0.3);
    transform: translateX(5px);
}

.arrow-text {
    color: #fff;
    font-size: 1rem;
    text-shadow: 0 2px 8px rgba(0, 0, 0, 0.5);
    white-space: nowrap;
}

.arrow-circle {
    width: 32px;
    height: 32px;
    border-radius: 50%;
    background: rgba(255, 255, 255, 0.2);
    backdrop-filter: blur(10px);
    display: flex;
    align-items: center;
    justify-content: center;
    transition: all 0.3s ease;
    border: 1px solid rgba(255, 255, 255, 0.3);
    flex-shrink: 0;
}

/* 第一屏箭头圆圈去掉背景 */
.section-1 .arrow-circle {
    background: transparent;
    backdrop-filter: none;
    border: none;
    margin-left: -10px;
}

.scroll-right-arrow:hover .arrow-circle {
    background: rgba(255, 255, 255, 0.3);
}

/* 第一屏hover时保持透明 */
.section-1 .scroll-right-arrow:hover .arrow-circle {
    background: transparent;
    backdrop-filter: none;
    border: none;
    margin-left: -10px;
}

.scroll-right-arrow svg {
    width: 24px;
    height: 24px;
    filter: drop-shadow(0 2px 8px rgba(0, 0, 0, 0.3));
    transition: transform 0.3s ease;
    color: #fff;
    stroke: #fff;
}

/* 第一屏箭头确保白色 */
.section-1 .scroll-right-arrow svg {
    color: #fff;
    stroke: #fff;
    filter: drop-shadow(0 2px 8px rgba(0, 0, 0, 0.5));
}

.scroll-right-arrow:hover svg {
    transform: translateX(2px);
}

/* 第一部分箭头特殊样式 */
.section-1 .scroll-down-arrow {
    color: #fff;
}

/* 第二部分箭头特殊样式 */
.section-2 .scroll-down-arrow {
    color: #fff;
    position: absolute;
    bottom: 40px;
    left: 50%;
    transform: translateX(-50%);
    z-index: 10;
}

/* 第三部分箭头特殊样式 */
.section-3 .scroll-down-arrow {
    color: #fff;
}

/* 第九部分向上箭头 - 右下角 */
.scroll-up-arrow {
    position: absolute;
    bottom: 40px;
    right: 40px;
    z-index: 10;
    cursor: pointer;
    transition: all 0.3s ease;
}

.scroll-up-arrow:hover {
    transform: translateY(-5px);
}

.arrow-circle-up {
    width: 48px;
    height: 48px;
    border-radius: 50%;
    background: rgba(255, 255, 255, 0.2);
    backdrop-filter: blur(10px);
    display: flex;
    align-items: center;
    justify-content: center;
    transition: all 0.3s ease;
    border: 1px solid rgba(255, 255, 255, 0.3);
}

.scroll-up-arrow:hover .arrow-circle-up {
    background: rgba(255, 255, 255, 0.3);
}

.scroll-up-arrow svg {
    width: 24px;
    height: 24px;
    color: #fff;
    filter: drop-shadow(0 2px 8px rgba(0, 0, 0, 0.3));
    transition: transform 0.3s ease;
}

.scroll-up-arrow:hover svg {
    transform: translateY(-2px);
}

/* 箭头弹跳动画 */
@keyframes bounce {
    0%, 20%, 50%, 80%, 100% {
        transform: translateX(-50%) translateY(0);
    }
    40% {
        transform: translateX(-50%) translateY(-10px);
    }
    60% {
        transform: translateX(-50%) translateY(-5px);
    }
}

/* 公司名称链接样式 */
.company-license-link {
    color: inherit;
    text-decoration: none;
    cursor: pointer;
    transition: opacity 0.3s ease;
}

.company-license-link:hover {
    opacity: 0.7;
    text-decoration: underline;
}

/* 营业执照弹窗样式 */
.license-modal {
    display: none;
    position: fixed;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    z-index: 10000;
    opacity: 0;
    transition: opacity 0.3s ease;
}

.license-modal.active {
    display: flex;
    align-items: center;
    justify-content: center;
    opacity: 1;
}

.license-modal-overlay {
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background: rgba(0, 0, 0, 0.8);
    backdrop-filter: blur(5px);
}

.license-modal-content {
    position: relative;
    max-width: 90%;
    max-height: 90vh;
    background: #fff;
    border-radius: 8px;
    padding: 20px;
    box-shadow: 0 10px 40px rgba(0, 0, 0, 0.3);
    animation: modalSlideIn 0.3s ease;
}

@keyframes modalSlideIn {
    from {
        transform: scale(0.9);
        opacity: 0;
    }
    to {
        transform: scale(1);
        opacity: 1;
    }
}

.license-modal-close {
    position: absolute;
    top: 10px;
    right: 15px;
    font-size: 32px;
    color: #666;
    cursor: pointer;
    transition: color 0.3s ease;
    z-index: 1;
    line-height: 1;
    font-weight: 300;
}

.license-modal-close:hover {
    color: #333;
}

.license-image {
    display: block;
    max-width: 100%;
    max-height: calc(90vh - 40px);
    width: auto;
    height: auto;
    object-fit: contain;
}

/* 移动端适配 */
@media (max-width: 768px) {
    .license-modal-content {
        max-width: 95%;
        padding: 15px;
    }
    
    .license-modal-close {
        font-size: 28px;
        top: 5px;
        right: 10px;
    }
}