/* 自定义字体 */
@font-face {
    font-family: 'JiYingHuiPianYuan';
    src: url('../切图/极影毁片圆.ttf') format('truetype');
    font-weight: normal;
    font-style: normal;
}

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

body {
    font-family: "JiYingHuiPianYuan", "SourceHanSansCN", "Source Han Sans CN", "Microsoft YaHei", "微软雅黑", Arial, sans-serif;
    overflow-x: hidden;
}

/* 板块样式 */
.section {
    width: 100%;
    height: 56.25vw; /* 1080/1920 = 0.5625 */
    max-height: 1080px;
    background-size: cover;
    background-position: center;
    background-repeat: no-repeat;
    position: relative;
}

/* 第一个板块需要考虑导航栏高度 */
.section:first-of-type {
    margin-top: 5.2vw;
    max-margin-top: 100px;
}

/* 大屏幕时固定高度 */
@media screen and (min-width: 1920px) {
    .section {
        height: 1080px;
    }

    .section:first-of-type {
        margin-top: 100px;
    }
    
    /* 板块6高度减少为原来的1/3 */
    .section:has(.section-6-content) {
        height: 720px !important;
    }
}

/* 板块1样式 */
.section-1-content {
    width: 100%;
    max-width: 1920px;
    height: 100%;
    margin: 0 auto;
    position: relative;
}

.section-1-text {
    position: absolute;
    left: 175px;
    top: 14.4%; /* 155/1080 */
    max-width: 65%; /* 增大文字框宽度 */
}

/* 小屏幕时使用百分比 */
@media screen and (max-width: 1920px) {
    .section-1-text {
        left: 9.1%; /* 175/1920 */
    }
}

.section-1-title {
    margin: 0;
    padding: 0;
}

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

@keyframes slideInFromRight {
    from {
        opacity: 0;
        transform: translateX(50px);
    }
    to {
        opacity: 1;
        transform: translateX(0);
    }
}

@keyframes floatUpDown {
    0%, 100% {
        transform: translateY(0);
    }
    50% {
        transform: translateY(-15px);
    }
}

.title-line-1 {
    font-family: 'JiYingHuiPianYuan', sans-serif;
    font-weight: 400;
    font-size: 3.9vw; /* 75/1920 */
    color: #000000;
    line-height: 1.1;
    margin-bottom: 0.5vw;
    opacity: 0;
    transform: translateY(30px);
    animation: fadeInUp 0.8s ease-out 0.2s forwards;
}

.title-line-2 {
    font-family: 'JiYingHuiPianYuan', sans-serif;
    font-weight: 400;
    font-size: 5.2vw; /* 100/1920 */
    line-height: 1.1;
    white-space: nowrap;
    opacity: 0;
    transform: translateY(30px);
    animation: fadeInUp 0.8s ease-out 0.4s forwards;
}

.text-black {
    color: #000000;
    font-weight: normal;
}

.text-blue {
    color: #0078D7;
}

.section-1-desc {
    margin-top: 4.5vw; /* 下移描述文字，避免遮挡 */
    opacity: 0;
    transform: translateY(30px);
    transition: opacity 0.8s ease-out 0.6s, transform 0.8s ease-out 0.6s;
    font-family: 'JiYingHuiPianYuan', sans-serif;
    font-weight: 400;
    font-size: 1.56vw; /* 30/1920 - 字体加大 */
    color: #000000;
    line-height: 1.6;
}

.section-1-desc.animate-in {
    opacity: 1;
    transform: translateY(0);
}

.section-1-desc p {
    margin: 0;
    padding: 0;
    font-family: 'JiYingHuiPianYuan', sans-serif;
    font-weight: 400;
    font-size: 1.56vw; /* 30/1920 - 字体加大 */
    color: #000000;
    line-height: 1.6;
}

.section-1-image {
    position: absolute;
    right: 100px;
    top: 36.8%; /* 397/1080 */
    width: 1000px;
    opacity: 0;
    transform: translateX(50px);
    transition: opacity 1s ease-out 0.5s, transform 1s ease-out 0.5s;
}

.section-1-image.animate-in {
    opacity: 1;
    transform: translateX(0);
}

.section-1-image.animate-in img {
    animation: floatUpDown 3s ease-in-out infinite;
    animation-delay: 1.5s;
}

.section-1-image img {
    display: block;
    width: 100%;
    height: auto;
}

/* 按钮样式 */
.section-1-btn {
    position: absolute;
    left: 176px;
    top: 680px; /* 下移按钮 */
    width: 316px;
    height: 84px;
    background: #0078D7;
    display: flex;
    align-items: center;
    text-decoration: none;
    transition: opacity 0.3s;
    cursor: pointer;
    opacity: 0;
    transform: translateY(30px);
    transition: opacity 0.8s ease-out 0.8s, transform 0.8s ease-out 0.8s;
}

.section-1-btn.animate-in {
    opacity: 1;
    transform: translateY(0);
}

.section-1-btn:hover {
    opacity: 0.9;
}

.btn-text {
    font-family: 'JiYingHuiPianYuan', sans-serif;
    font-weight: 400;
    font-size: 40px;
    color: #FFFFFF;
    margin-left: 41px;
    line-height: 1;
    width: 155px;
    white-space: nowrap;
}

.btn-icon {
    width: 54px;
    height: 54px;
    margin-left: 26px;
    display: block;
}

/* 板块2样式 */
.section-2-content {
    width: 100%;
    max-width: 1920px;
    height: 100%;
    margin: 0 auto;
    position: relative;
}

.section-2-title {
    position: absolute;
    left: 175px;
    top: 156px;
}

.title-sub {
    font-family: 'JiYingHuiPianYuan', sans-serif;
    font-weight: 400;
    font-size: 75px;
    color: #000000;
    line-height: 1;
    margin-bottom: 10px;
    opacity: 0;
    transform: translateY(30px);
    transition: opacity 0.8s ease-out 0.2s, transform 0.8s ease-out 0.2s;
}

.title-sub.animate-in {
    opacity: 1;
    transform: translateY(0);
}

.title-main {
    font-family: 'JiYingHuiPianYuan', sans-serif;
    font-weight: 400;
    font-size: 100px;
    line-height: 1;
    white-space: nowrap;
    opacity: 0;
    transform: translateY(30px);
    transition: opacity 0.8s ease-out 0.4s, transform 0.8s ease-out 0.4s;
}

.title-main.animate-in {
    opacity: 1;
    transform: translateY(0);
}

.title-main span {
    color: #000000;
}

.title-main .text-blue {
    color: #0078D7;
}

.section-2-desc {
    position: absolute;
    left: 176px;
    top: 460px;
    width: 914px;
    font-family: 'JiYingHuiPianYuan', sans-serif;
    font-weight: 400;
    font-size: 25px;
    color: #000000;
    line-height: 1.2;
    white-space: nowrap;
    opacity: 0;
    transform: translateY(30px);
    transition: opacity 0.8s ease-out 0.6s, transform 0.8s ease-out 0.6s;
}

.section-2-desc.animate-in {
    opacity: 1;
    transform: translateY(0);
}

.section-2-boxes {
    position: absolute;
    left: 312px;
    top: 530px; /* 下移，避免与描述文字重叠 */
    display: flex;
    flex-direction: column;
    gap: 40px; /* 框1和框2间隔40px */
}

.section-2-box {
    position: relative;
    overflow: hidden;
}

.box-img {
    display: block;
    width: auto;
    height: auto;
    max-width: none; /* 默认不限制，让图片显示原始尺寸 */
}

.section-2-text-block {
    position: absolute;
    left: 468px;
    top: 473px; /* 根据坐标计算：1653 - 1236 + 156 = 573，微调 */
}

.section-2-text-1 {
    font-family: 'JiYingHuiPianYuan', sans-serif;
    font-weight: 400;
    font-size: 25px;
    color: #000000;
    line-height: 1.5;
    width: 1093px;
    max-width: 1093px; /* 限制最大宽度 */
    margin: 0;
    position: absolute;
    left: 156px; /* 468 - 312 = 156，文字在框内的位置 */
    top: 43px; /* 1653 - 1610 = 43，文字在框内的位置 */
    z-index: 2; /* 确保文字在图片上方 */
}

.section-2-text-2 {
    font-family: 'JiYingHuiPianYuan', sans-serif;
    font-weight: 400;
    font-size: 25px;
    color: #000000;
    line-height: 1.5;
    width: 1008px;
    max-width: 1008px; /* 限制最大宽度 */
    margin: 0;
    position: absolute;
    left: 156px; /* 468 - 312 = 156 */
    top: 43px; /* 1813 - 1610 = 203，但需要根据实际框的位置调整 */
    z-index: 2; /* 确保文字在图片上方 */
}

/* 板块3样式 */
.section-3-content {
    width: 100%;
    max-width: 1920px;
    height: 100%;
    margin: 0 auto;
    position: relative;
}

.section-3-title {
    position: absolute;
    left: 175px;
    top: 156px;
}

.section-3-desc {
    position: absolute;
    left: 176px;
    top: 460px;
    width: 535px;
    font-family: 'JiYingHuiPianYuan', sans-serif;
    font-weight: 400;
    font-size: 25px;
    color: #000000;
    opacity: 0;
    transform: translateY(30px);
    transition: opacity 0.8s ease-out 0.6s, transform 0.8s ease-out 0.6s;
    line-height: 1.2;
    white-space: nowrap;
}

.section-3-desc.animate-in {
    opacity: 1;
    transform: translateY(0);
}

.section-3-cards {
    display: flex;
    justify-content: center;
    align-items: center;
    gap: 46px; /* 预设间距 */
    position: absolute;
    top: 540px; /* 上移，给底部留出空间 */
    left: 50%;
    transform: translateX(-50%);
    width: 100%;
}

.card-item {
    position: relative;
    overflow: hidden; /* 裁剪超出部分 */
    flex-shrink: 0;
}

.card-frame {
    display: block;
    position: relative;
    z-index: 1;
    pointer-events: none;
}

.card-inner {
    position: absolute;
    bottom: 2%;
    right: 2%; /* 右对齐，留出微小空隙 */
    left: auto; /* 取消左对齐 */
    transform: none; /* 取消居中 */
    z-index: 2;
    width: 65%; /* 约2/3大小，左侧留白1/3 */
    height: auto;
}

.card-content {
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    z-index: 3;
    padding: 40px 30px;
    display: flex;
    flex-direction: column;
    align-items: flex-start;
}

.card-title {
    font-family: 'JiYingHuiPianYuan', sans-serif;
    font-weight: 400;
    font-size: 38px;
    color: #000000;
    line-height: 1.1;
}

.card-line {
    width: 150px;
    height: 3px;
    background: #0078D7;
    margin: 16px 0 20px 0;
}

.card-desc {
    font-family: 'JiYingHuiPianYuan', sans-serif;
    font-weight: 400;
    font-size: 25px;
    color: #000000;
    line-height: 1.4;
}

/* 板块4样式 */
.section-4-content {
    width: 100%;
    max-width: 1920px;
    height: 100%;
    margin: 0 auto;
    position: relative;
}

.section-4-title {
    position: absolute;
    left: 178px;
    top: 156px;
}

.section-4-frames {
    display: flex;
    flex-direction: column;
    align-items: flex-start;
    gap: 40px;
    position: absolute;
    top: 400px; /* 上移 */
    left: 178px;
    width: calc(100% - 178px);
}

.frame-group {
    position: relative;
    width: 1564px; /* 左右对称，留出右侧空白 (1920 - 178*2) */
}

.frame-4-bg {
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    z-index: 1;
}

.frame-content {
    position: relative;
    z-index: 2;
    padding: 30px 15px 30px 40px; /* 增加左内边距 */
}

.frame-title {
    font-family: 'JiYingHuiPianYuan', sans-serif;
    font-weight: 400;
    font-size: 38px;
    color: #000000;
    line-height: 1;
}

.frame-line {
    width: 280px;
    height: 3px;
    background: #0078D7;
    margin: 18px 0 24px 0; /* 根据坐标差值估算 */
}

.frame-desc {
    font-family: 'JiYingHuiPianYuan', sans-serif;
    font-weight: 400;
    font-size: 25px;
    color: #000000;
    line-height: 1.5;
    white-space: pre-wrap;
    width: 1154px; /* 独立设置文字宽度 */
}

.section-4-btn {
    position: absolute;
    left: 50%;
    transform: translateX(-50%);
    top: 928px; /* 根据 156(Title) + 772(Gap) 计算 */
    width: 316px;
    height: 84px;
    background: #0078D7;
    display: flex;
    justify-content: center;
    align-items: center;
    text-decoration: none;
    cursor: pointer;
    transition: opacity 0.3s;
}

.section-4-btn:hover {
    opacity: 0.9;
}

.btn-text-center {
    font-family: 'JiYingHuiPianYuan', sans-serif;
    font-weight: 400;
    font-size: 40px;
    color: #FFFFFF;
    line-height: 1;
}

/* 板块5样式 */
.section-5-content {
    width: 100%;
    max-width: 1920px;
    height: 100%;
    margin: 0 auto;
    position: relative;
}

.section-5-title {
    position: absolute;
    left: 175px;
    top: 156px;
}

.section-5-img {
    position: absolute;
    left: 662px; /* 666 - 4 */
    top: 450px;  /* 455 - 5 */
    width: 570.105px; /* 553.5 * 1.03 = 570.105px */
    height: auto;
    max-width: 100%; /* 防止溢出 */
    animation: floatUpDown 3s ease-in-out infinite;
    animation-delay: 0.5s;
}

.dashed-line {
    position: absolute;
    z-index: 1; /* 放在底层? 或者根据需要调整 */
}

.dashed-lt {
    left: 511px; /* 原506 + 5 */
    top: 517.5px; /* 519.5 - 2 */
    width: 200px;
    height: 79px;
}

.dashed-rt {
    left: 1203.3px; /* 原1198.3 + 5 */
    top: 556.1px; /* 558.1 - 2 */
    width: 137px;
    height: 49px;
}

.dashed-lb {
    left: 511px; /* 原506 + 5 */
    top: 638.9px; /* 639.9 - 1 */
    width: 201px;
    height: 91px;
}

.s5-block {
    position: absolute;
}

.s5-left-1 {
    left: 226px;
    top: 447px;
    width: 379px; /* 根据Title宽度或Body宽度设置 */
}
/* 左侧第一块Body宽度是363px，Title是379px。取较大者或对其 */
/* 为了防止换行问题，可以设置稍宽或者fit-content */

.s5-left-2 {
    left: 226px;
    top: 657px;
    width: 382px;
}

.s5-right-1 {
    left: 1347px;
    top: 517px;
    width: 353px;
}

.s5-item-title {
    font-family: 'JiYingHuiPianYuan', sans-serif;
    font-weight: 400;
    font-size: 25px;
    color: #000000;
    line-height: 1.2;
}

.s5-line {
    width: 280px;
    height: 3px;
    background: #0078D7;
    margin: 10px 0 13px 0; /* 估算 */
}

.s5-item-body {
    font-family: 'JiYingHuiPianYuan', sans-serif;
    font-weight: 400;
    font-size: 17px;
    color: #000000;
    line-height: 25px;
    letter-spacing: 0px; /* 样式中说25px? 可能是行高 */
}

.text-blue-bold {
    color: #0078D7;
    font-weight: 400; /* 保持字体原有粗细，或者加粗? 样式只说Color */
}

/* 板块6样式 - 高度减少为原来的1/3 */
/* 使用更具体的选择器，确保优先级足够高 */
body section.section:last-of-type {
    height: 37.5vw !important; /* 720/1920 = 0.375 */
    max-height: 720px !important;
}

.section-6-content {
    width: 100%;
    max-width: 1920px;
    height: 100%;
    margin: 0 auto;
    position: relative;
}

.section-6-title {
    position: absolute;
    left: 369px;
    top: 156px;
    font-family: 'JiYingHuiPianYuan', sans-serif;
    font-weight: 400;
    font-size: 75px;
    color: #000000;
    line-height: 1;
    width: 1182px;
    white-space: nowrap;
}

.section-6-card {
    position: absolute;
    left: 360px;
    top: 340px; /* 根据坐标计算：5320 - 5132 + 156 = 344，微调为340 */
    width: 1200px;
    height: 160px;
    background: #FFFFFF;
    border-radius: 10px;
    box-shadow: -2px 2px 12px 0px rgba(174, 174, 186, 0.36);
    overflow: hidden; /* 隐藏超出部分 */
}

.scroll-container {
    width: 100%;
    height: 100%;
    overflow: hidden;
    position: relative;
}

.scroll-track {
    display: flex;
    align-items: center;
    height: 100%;
    position: absolute;
    left: 0;
    animation: scroll-left 30s linear infinite; /* 30秒循环，可根据需要调整速度 */
    will-change: transform;
}

@keyframes scroll-left {
    0% {
        transform: translateX(0);
    }
    100% {
        transform: translateX(-50%); /* 移动一半距离（第一组logo）后重置 */
    }
}

.scroll-img {
    display: block;
    flex-shrink: 0;
}

.scroll-1 {
    width: 64px;
    height: 70px;
    margin-left: 88px; /* 初始位置距离左侧88px */
    margin-right: 88px; /* 等距间距 */
}

.scroll-2 {
    width: 155px;
    height: 70px;
    margin-right: 88px; /* 等距间距 */
}

.scroll-3 {
    width: 196px;
    height: 64px;
    margin-right: 88px; /* 等距间距 */
}

.scroll-4 {
    width: 70px;
    height: 70px;
    margin-right: 88px; /* 等距间距 */
}

.scroll-5 {
    width: 65px;
    height: 70px;
    margin-right: 88px; /* 等距间距 */
}

.scroll-6 {
    width: 147px;
    height: 96px;
    margin-right: 44px; /* 最后一个logo和下一组第一个logo之间的间距（减半） */
}

/* 小屏幕时使用百分比和vw */
@media screen and (max-width: 1920px) {
    .section-1-image {
        right: 5.2%; /* 100/1920 */
        width: 52vw; /* 1000/1920 */
    }
    
    /* 按钮响应式 */
    .section-1-btn {
        left: 9.17vw; /* 176/1920 */
        top: 35.42vw; /* 680/1920 */
        width: 16.46vw; /* 316/1920 */
        height: 4.38vw; /* 84/1920 */
    }

    .btn-text {
        font-size: 2.08vw; /* 40/1920 */
        margin-left: 2.14vw; /* 41/1920 */
        width: 8.07vw; /* 155/1920 */
    }

    .btn-icon {
        width: 2.81vw; /* 54/1920 */
        height: 2.81vw;
        margin-left: 1.35vw; /* 26/1920 */
    }

    /* 板块2响应式 */
    .section-2-title {
        left: 9.11vw; /* 175/1920 */
        top: 8.13vw; /* 156/1920 */
    }

    .title-sub {
        font-size: 3.91vw; /* 75/1920 */
        margin-bottom: 0.52vw;
    }

    .title-main {
        font-size: 5.21vw; /* 100/1920 */
    }

    .section-2-desc {
        left: 9.17vw; /* 176/1920 */
        top: 23.96vw; /* 460/1920 */
        width: 47.60vw; /* 914/1920 */
        font-size: 1.30vw; /* 25/1920 */
    }

    .section-2-boxes {
        left: 16.25vw; /* 312/1920 */
        top: 27.60vw; /* 530/1920 */
        gap: 2.08vw; /* 40/1920 */
    }

    .section-2-box {
        max-width: 100%;
    }

    .box-img {
        max-width: 68vw; /* 1306/1920 = 68vw, 响应式限制 */
        height: auto;
    }

    .section-2-text-block {
        left: 16.25vw; /* 312/1920，与框对齐 */
        top: 27.60vw; /* 530/1920 */
    }

    .section-2-text-1 {
        font-size: 1.30vw; /* 25/1920 */
        width: 56.98vw; /* 1093/1920 */
        left: 8.13vw; /* 156/1920 */
        top: 2.24vw; /* 43/1920 */
    }

    .section-2-text-2 {
        font-size: 1.30vw; /* 25/1920 */
        width: 52.50vw; /* 1008/1920 */
        left: 8.13vw; /* 156/1920 */
        top: 2.24vw; /* 43/1920，第二个框内的相对位置 */
    }

    /* 板块3响应式 */
    .section-3-title {
        left: 9.11vw; /* 175/1920 */
        top: 8.13vw; /* 156/1920 */
    }

    .section-3-desc {
        left: 9.17vw; /* 176/1920 */
        top: 23.96vw; /* 460/1920 */
        width: 27.86vw; /* 535/1920 */
        font-size: 1.30vw; /* 25/1920 */
    }

    .section-3-cards {
        gap: 2.4vw; /* 46/1920 */
        top: 28.13vw; /* 540/1920 */
    }

    .card-item {
        width: 25vw; /* 假设宽度，让内部图片自适应 */
    }

    .card-frame {
        width: 100%;
        height: auto;
    }
    
    .card-inner {
        width: 65%;
        height: auto;
    }

    .card-content {
        padding: 2.08vw 1.56vw; /* 40/1920, 30/1920 */
    }

    .card-title {
        font-size: 1.98vw; /* 38/1920 */
    }

    .card-line {
        width: 7.81vw; /* 150/1920 */
        height: 0.16vw; /* 3/1920 */
        margin: 0.83vw 0 1.04vw 0;
    }

    .card-desc {
        font-size: 1.30vw; /* 25/1920 */
    }
    /* 板块4响应式 */
    .section-4-title {
        left: 9.27vw; /* 178/1920 */
        top: 8.13vw; /* 156/1920 */
    }

    .section-4-frames {
        gap: 2.08vw; /* 40/1920 */
        top: 20.83vw; /* 400/1920 */
        left: 9.27vw; /* 178/1920 */
        width: calc(100% - 9.27vw);
    }

    .frame-group {
        width: 81.46vw; /* 1564/1920 */
    }

    .frame-content {
        padding: 1.56vw 0.78vw 1.56vw 2.08vw; /* 30, 15, 30, 40 - 增加左内边距 */
    }

    .frame-title {
        font-size: 1.98vw; /* 38/1920 */
    }

    .frame-line {
        width: 14.58vw; /* 280/1920 */
        height: 0.16vw; /* 3/1920 */
        margin: 0.94vw 0 1.25vw 0;
    }

    .frame-desc {
        font-size: 1.30vw; /* 25/1920 */
        width: 60.10vw; /* 1154/1920 */
    }

    .section-4-btn {
        top: 48.33vw; /* 928/1920 */
        width: 16.46vw; /* 316/1920 */
        height: 4.38vw; /* 84/1920 */
    }

    .btn-text-center {
        font-size: 2.08vw; /* 40/1920 */
    }
    /* 板块5响应式 */
    .section-5-title {
        left: 9.11vw; /* 175/1920 */
        top: 8.13vw; /* 156/1920 */
    }

    .section-5-img {
        left: 34.48vw; /* 662/1920 */
        top: 23.44vw; /* 450/1920 */
        width: 29.69vw; /* 570.105/1920 自适应缩放 */
        max-width: 570.105px; /* 大屏限制最大尺寸 */
        height: auto;
    }

    .dashed-lt {
        left: 26.64vw; /* 511/1920 */
        top: 26.95vw; /* 517.5/1920 */
        width: 10.42vw; /* 200/1920 */
        height: 4.11vw; /* 79/1920 */
    }

    .dashed-rt {
        left: 62.67vw; /* 1203.3/1920 */
        top: 28.96vw; /* 556.1/1920 */
        width: 7.14vw; /* 137/1920 */
        height: 2.55vw; /* 49/1920 */
    }

    .dashed-lb {
        left: 26.64vw; /* 511/1920 */
        top: 33.28vw; /* 638.9/1920 */
        width: 10.47vw; /* 201/1920 */
        height: 4.74vw; /* 91/1920 */
    }

    .s5-left-1 {
        left: 11.77vw; /* 226/1920 */
        top: 23.28vw; /* 447/1920 */
        width: 19.74vw; /* 379/1920 */
    }

    .s5-left-2 {
        left: 11.77vw; /* 226/1920 */
        top: 34.22vw; /* 657/1920 */
        width: 19.90vw; /* 382/1920 */
    }

    .s5-right-1 {
        left: 70.16vw; /* 1347/1920 */
        top: 26.93vw; /* 517/1920 */
        width: 18.39vw; /* 353/1920 */
    }

    .s5-item-title {
        font-size: 1.30vw; /* 25/1920 */
    }

    .s5-line {
        width: 14.58vw; /* 280/1920 */
        height: 0.16vw; /* 3/1920 */
        margin: 0.52vw 0 0.68vw 0;
    }

    .s5-item-body {
        font-size: 0.89vw; /* 17/1920 */
        line-height: 1.30vw; /* 25/1920 */
    }

    /* 板块6响应式 */
    .section-6-title {
        left: 19.22vw; /* 369/1920 */
        top: 8.13vw; /* 156/1920 */
        width: 61.56vw; /* 1182/1920 */
        font-size: 3.91vw; /* 75/1920 */
    }

    .section-6-card {
        left: 18.75vw; /* 360/1920 */
        top: 17.71vw; /* 340/1920 */
        width: 62.5vw; /* 1200/1920 */
        height: 8.33vw; /* 160/1920 */
        padding: 0 1.04vw; /* 20/1920 */
    }

    .scroll-1 {
        width: 3.33vw; /* 64/1920 */
        height: 3.65vw; /* 70/1920 */
        margin-left: 4.58vw; /* 88/1920 */
        margin-right: 4.58vw; /* 88/1920 等距间距 */
    }

    .scroll-2 {
        width: 8.07vw; /* 155/1920 */
        height: 3.65vw; /* 70/1920 */
        margin-right: 4.58vw; /* 88/1920 等距间距 */
    }

    .scroll-3 {
        width: 10.21vw; /* 196/1920 */
        height: 3.33vw; /* 64/1920 */
        margin-right: 4.58vw; /* 88/1920 等距间距 */
    }

    .scroll-4 {
        width: 3.65vw; /* 70/1920 */
        height: 3.65vw; /* 70/1920 */
        margin-right: 4.58vw; /* 88/1920 等距间距 */
    }

    .scroll-5 {
        width: 3.39vw; /* 65/1920 */
        height: 3.65vw; /* 70/1920 */
        margin-right: 4.58vw; /* 88/1920 等距间距 */
    }

    .scroll-6 {
        width: 7.66vw; /* 147/1920 */
        height: 5.00vw; /* 96/1920 */
        margin-right: 2.29vw; /* 44/1920 */
    }
}

/* 大屏幕限制最大字号 */
@media screen and (min-width: 1920px) {
    .title-line-1 {
        font-size: 75px;
    }

    .title-line-2 {
        font-size: 100px;
    }

    .section-1-desc {
        font-size: 30px; /* 字体加大 */
    }

    .section-1-desc p {
        font-size: 30px; /* 字体加大 */
    }
    
    .title-sub {
        font-size: 75px;
    }

    .title-main {
        font-size: 100px;
    }

    .section-2-desc {
        font-size: 25px;
    }

    .section-3-desc {
        font-size: 25px;
    }

    .card-title {
        font-size: 38px;
    }

    .card-desc {
        font-size: 25px;
    }

    .section-6-title {
        font-size: 75px;
    }

    /* 限制板块2框和文字的最大尺寸，防止缩放超过100%时变化 */
    .section-2-boxes {
        left: 312px;
        top: 530px;
        gap: 40px;
    }

    .section-2-box {
        max-width: none;
    }

    .box-img {
        max-width: 1306px; /* 大屏时限制为固定像素 */
        height: auto;
    }

    .section-2-text-1 {
        font-size: 25px;
        width: 1093px;
        max-width: 1093px;
        left: 156px;
        top: 43px;
    }

    .section-2-text-2 {
        font-size: 25px;
        width: 1008px;
        max-width: 1008px;
        left: 156px;
        top: 43px;
    }
}