/* 科学探究页面样式 */

/* 全局背景 */
body {
    background-image: url('../images/scientific-research/bg.png');
    background-size: cover;
    background-attachment: fixed;
    background-position: center;
    background-repeat: no-repeat;
}

/* 第一部分：科学探究大图 */
.research-hero {
    width: 100%;
    position: relative;
    overflow: hidden;
    background-image: url('../images/scientific-research/1.png');
    background-size: contain;
    background-position: center;
    background-repeat: no-repeat;
}

.research-hero-content {
    width: 1400px;
    margin: 0 auto;
    color: #fff;
    text-align: center;
}

.research-hero-title {
    font-size: 90px;
    font-weight: 200;
    margin-bottom: 100px;
    margin-top: 220px;
    line-height: 1.4;
    text-align: center;
}

.research-categories {
    display: flex;
    justify-content: center;
    flex-wrap: wrap;
    gap: 50px;
    margin-top: 40px;
}

.category-item {
    height: 110px;
    padding: 0 20px;
    border-radius: 10px;
    display: flex;
    flex-direction: column;
    align-items: center;
    justify-content: center;
    cursor: pointer;
    transition: all 0.3s ease;
}
.category-item a{
    display: flex;
    flex-direction: column;
    align-items: center;
    justify-content: center;
}
.category-item:hover {
   background-color: #FFDD9F;
   color: #000;
}

.category-item:hover .category-icon img {
   filter: grayscale(100%) invert(100%);
}


.category-icon {
    width: 40px;
    height: 40px;
    margin-bottom: 10px;
    display: flex;
    align-items: center;
    justify-content: center;
}

.category-icon img {
    max-width: 100%;
    max-height: 100%;
    object-fit: contain;
}

.category-name {
    font-size: 30px;
    white-space: nowrap;
    text-align: center;
    font-weight: 300;
}

/* 第二部分：生命之源 */
.life-source-section {
    padding: 80px 0;
}

.life-source-section .container {
    max-width: 1200px;
    margin: 0 auto;
    padding: 0 20px;
    display: flex;
    align-items: center;
    justify-content: space-between;
}

.life-source-content {
    width: 45%;
    padding-left: 100px;
    color: #fff;
}

.source-tag {
    display: inline-block;
    padding: 4px 20px;
    color: #000;
    font-size: 30px;
    font-weight: 300;
    margin-bottom: 30px;
}

.source-title {
    font-size: 70px;
    font-weight: 300;
    line-height: 1.3;
}
.source-subtitle {
    font-size: 46px;
    font-weight: 300;
    line-height: 1.3;
    margin-bottom: 60px;
}

.source-description {
    font-size: 38px;
    font-weight: 300;
    line-height: 1.6;
}

.life-source-image {
    width: 50%;
    text-align: right;
}

.life-source-image img {
    max-width: 100%;
}

/* 全局样式 */
.container {
    width: 1400px;
    margin: 0 auto;
}

.life-source-section {
    padding-top: 100px;
    display: flex;
    justify-content: space-between;
}

/* 通用标题样式 */
.section-title {
    font-size: 36px;
    font-weight: 500;
    margin-bottom: 30px;
    color: #333;
}

.section-subtitle {
    font-size: 20px;
    color: #666;
    margin-bottom: 40px;
}

/* 通用按钮样式 */
.btn-primary {
    display: inline-block;
    padding: 12px 30px;
    background-color: #0a2461;
    color: #fff;
    border-radius: 30px;
    text-decoration: none;
    font-size: 16px;
    font-weight: 500;
    transition: all 0.3s ease;
}

.btn-primary:hover {
    background-color: #153a7c;
}

/* 通用部分样式 */
.section {
    padding: 80px 0;
}

.section-light {
    background-color: #fff;
}

.section-dark {
    background-color: #f8f8f8;
}



/* 第二部分：改变世界 */
.change-world-section {
    padding-top: 100px;
    overflow: hidden;
}

.change-world-container {
    max-width: 1400px;
    margin: 0 auto;
    display: flex;
    justify-content: space-between;
}

.change-world-image {
    width: 50%;
    overflow: hidden;
}

.change-world-image img {
    width: 100%;
    height: auto;
    display: block;
}

.change-world-content {
    width: 40%;
    text-align: right;
}

.change-world-title {
    font-size: 40px;
    font-weight: 500;
    line-height: 1.4;
    margin-bottom: 20px;
}

.change-world-subtitle {
    font-size: 30px;
    color: #e6c374;
    margin-bottom: 30px;
    line-height: 1.4;
    font-weight: 500;
}

.change-world-text {
    color: #A4A4A4;
    font-size: 20px;
    font-weight: 300;
    line-height: 1.8;
    margin-bottom: 40px;
}

.change-world-description{
    font-size: 22px;
    margin-top: 20px;
    position: absolute;
    margin-left: -140px;
    width: 700px;
}

.change-world-btn {
    display: inline-block;
    color: #000;
    font-size: 28px;
    font-weight: 500;
    padding: 5px 20px;
    text-decoration: none;
}

/* 第三部分：生活很忙碌 */
.busy-life-section {
    padding-top: 100px;
    overflow: hidden;
}

.busy-life-container {
    max-width: 1400px;
    margin: 0 auto;
    display: flex;
    justify-content: space-between;
}

.busy-life-content {
    width: 45%;
}

.busy-life-title {
    font-size: 40px;
    font-weight: 500;
    color: #e6c374;
    line-height: 1.4;
    margin-bottom: 20px;
}

.busy-life-text {
    color: #a4a4a4;
    font-size: 20px;
    line-height: 1.8;
    margin-bottom: 40px;
    font-weight: 300;
}

.busy-life-btn {
    display: inline-block;
    background-color: #e6c374;

    color: #000;
    font-size: 28px;
    font-weight: 500;
    padding: 5px 30px;
    text-decoration: none;
    margin-top: 30px;
}

.busy-life-image {
    width: 50%;
    overflow: hidden;
}

.busy-life-image img {
    width: 100%;
    height: auto;
    display: block;
}

/* 第四部分：吞噬细胞分布图 */
.macrophage-distribution-section {
    padding-top: 100px;
    text-align: center;
}

.macrophage-distribution-container{
    background-color: #1C3666;
}

.distribution-title {
    font-size: 45px;
    font-weight: 500;
    text-align: center;
    padding: 30px 0;
    width: 1400px;
    margin: 0 auto;
}

.distribution-image {
    max-width: 1000px;
    margin: 0 auto;
    padding-bottom: 100px;
}

.distribution-image img {
    width: 100%;
    height: auto;
    display: block;
    margin: 0 auto;
}

/* 第五部分：万恶之源 */
.evil-source-section {
    padding-top: 100px;
    overflow: hidden;
}

.evil-source-image {
    max-width: 1400px;
    margin: 0 auto;
    text-align: center;
}

.evil-source-image img {
    width: 100%;
    height: auto;
    display: block;
    margin: 0 auto;
}

/* 第六部分：诺贝尔奖研究 */
.nobel-research-section {
    position: relative;
    padding-top: 100px;
}

.nobel-research-container{
    width: 1400px;
    margin: 0 auto;
    background-image: url('../images/scientific-research/7.png');
    background-size: cover;
    background-position: center;
    background-repeat: no-repeat;
    padding: 70px 0;
}

.nobel-medal {
    position: absolute;
    top: 30px;
    left: 50%;
    transform: translateX(-50%);
    width: 186px;
    height: 186px;
    z-index: 10;
}

.nobel-medal img {
    width: 100%;
    height: 100%;
    object-fit: contain;
}

.nobel-content-wrapper {
    max-width: 1400px;
    margin: 0 auto;
    padding: 0 40px;
    display: flex;
    justify-content: space-between;
}

.nobel-content {
    width: 50%;
    padding-right: 50px;
}

.nobel-tag {
    display: inline-block;
    background-color: #1C3666;
    color: #fff;
    font-size: 28px;
    font-weight: 500;
    padding: 5px 15px;
    margin-bottom: 20px;
}

.nobel-title {
    font-size: 45px;
    font-weight: 600;
    color: #000;
    margin-bottom: 30px;
    line-height: 1.3;
}

.nobel-description {
    font-size: 20px;
    line-height: 1.8;
    color: #333;
    margin-bottom: 30px;
}

.nobel-description p {
    margin-bottom: 15px;
}

.nobel-reference {
    font-size: 18px;
    color: #666;
    line-height: 1.6;
}

.nobel-reference p {
    margin-bottom: 5px;
}

/* 第七部分：LPS与健康资讯 */
.health-info-section {
    padding: 100px 0;
    color: #fff;
}

.health-info-container {
    width: 1400px;
    margin: 0 auto;
    padding: 0 20px;
}

.health-info-title {
    font-size: 45px;
    font-weight: 300;
    text-align: center;
    margin-bottom: 60px;
    color: #e6c374;
}

.health-cards {
    display: flex;
    flex-wrap: wrap;
    justify-content: space-between;
    gap: 35px;
}

.health-card {
    width: calc(33.33% - 35px);
    background-color: #fff;
    overflow: hidden;
    display: flex;
    flex-direction: column;
    border-radius: 0;
}

.card-image {
    overflow: hidden;
}

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

.card-content {
    padding: 30px;
    background-color: #D8ECFF;
    flex-grow: 1;
    display: flex;
    flex-direction: column;
}

.card-title {
    font-size: 40px;
    font-weight: 500;
    margin-bottom: 20px;
    color: #000;
    text-align: center;
}

.card-text {
    font-size: 16px;
    line-height: 1.8;
    color: #333;
    margin-bottom: 20px;
    flex-grow: 1;
}

.card-reference {
    font-size: 14px;
    text-align: center;
    letter-spacing: -1px;
    color: #666;
    line-height: 1.6;
}

.card-reference p {
    margin-bottom: 5px;
}

/* 第八部分：时间机器 */
.time-machine-section {
    width: 100%;
    display: flex;
    align-items: center;
    padding: 195px 0;
    justify-content: center;
    text-align: center;
    color: #fff;
    background-image: url('../images/scientific-research/9.png');
    background-size: contain;
    background-position: center;
    background-repeat: no-repeat;
}

.time-machine-content {
    display: flex;
    flex-direction: column;
    align-items: center;
}

.tech-tag {
    display: inline-block;
    background-color: #FFF1CB;
    color: #000;
    font-size: 26px;
    font-weight: 500;
    padding: 8px 25px;
    margin-bottom: 40px;
}

.time-machine-title {
    font-size: 60px;
    font-weight: 500;
    margin-bottom: 20px;
    text-shadow: 0 0 10px rgba(0, 0, 0, 0.5);
}

.time-machine-description {
    font-size: 26px;
    font-weight: 400;
    line-height: 2;
    text-shadow: 0 0 10px rgba(0, 0, 0, 0.5);
}

/* 第九部分：迎接健康新生 */
.new-health-section {
    width: 100%;
    display: flex;
    align-items: center;
    justify-content: center;
    text-align: center;
    color: #fff;
    padding-top: 105px;
 
}

.new-health-content {
    display: flex;
    flex-direction: column;
    align-items: center;
    width: 1400px;
    padding: 175px 0;
    margin: 0 auto;
    background-image: url('../images/scientific-research/10.png');
    background-size: cover;
    background-position: center;
    background-repeat: no-repeat;
}

.period-tag {
    font-size: 24px;
    font-weight: 300;
    margin-bottom: 10px;
    text-shadow: 0 0 10px rgba(0, 0, 0, 0.5);
}

.new-health-title {
    font-size: 70px;
    font-weight: 500;
    margin-bottom: 20px;
    text-shadow: 0 0 10px rgba(0, 0, 0, 0.5);
}

.new-health-description {
    font-size: 20px;
    font-weight: 300;
    line-height: 1.8;
    text-shadow: 0 0 10px rgba(0, 0, 0, 0.5);
}

.new-health-description p {
}

/* 第十部分：广阔世界 */
.wider-world-section {
    width: 100%;
    padding: 80px 0;
    color: #fff;
}

.wider-world-header {
    width: 1400px;
    margin: 0 auto 50px;
    text-align: center;
}

.wider-world-subtitle {
    font-size: 38px;
    font-weight: 400;
    margin-bottom: 20px;
    color: #fff;
}

.wider-world-title {
    font-size: 65px;
    font-weight: 500;
    color: #e6c374;
    margin: 0;
}

.wider-world-image {
    width: 1400px;
    margin: 0 auto;
    position: relative;
    overflow: hidden;
}

.wider-world-image img {
    width: 100%;
    height: auto;
    display: block;
}

.wider-world-overlay {
    position: absolute;
    top: 50%;
    right: 10%;
    transform: translateY(-50%);
    text-align: right;
}

.wider-world-text-1 {
    font-size: 40px;
    font-weight: 500;
    margin-bottom: 20px;
    color: #fff;
    text-shadow: 0 0 10px rgba(0, 0, 0, 0.7);
}

.wider-world-text-2 {
    font-size: 50px;
    font-weight: 500;
    color: #fff;
    text-shadow: 0 0 10px rgba(0, 0, 0, 0.7);
}
.products-section {
    padding: 100px 0;
    text-align: center;
    overflow: hidden;
}

.products-header {
    margin-bottom: 40px;
}

.products-title {
    font-size: 45px;
    font-weight: 500;
    margin-bottom: 15px;
}


.products-description {
    max-width: 1300px;
    margin: 0 auto 60px;
    text-align: center;
    color: #A4A4A4;
    font-size: 20px;
    line-height: 1.8;
}

.products-description p {
    margin-bottom: 1px;
}

.products-carousel {
    position: relative;
    display: flex;
    align-items: center;
    justify-content: center;
    max-width: 1400px;
    margin: 0 auto;
    overflow: hidden;
    padding: 20px 0;
}

.products-swiper {
    width: 100%;
    padding: 20px 0;
}

.carousel-control {
    width: 50px;
    height: 50px;
    background-color: rgba(255, 255, 255, 0.2);
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    cursor: pointer;
    z-index: 10;
    transition: all 0.3s ease;
    position: absolute;
}

.carousel-control:hover {
    background-color: rgba(255, 255, 255, 0.4);
}

.carousel-control.prev {
    top: 205px;
    left: 10px;
}

.carousel-control.next {
    top: 205px;
    right: 10px;
}


.carousel-control img:nth-child(2) {
    display: none;
}

.carousel-control:hover img:nth-child(1) {
    display: none;
}

.carousel-control:hover img:nth-child(2) {
    display: block;
}


.arrow {
    color: #FFF;
    font-size: 30px;
    line-height: 1;
}

.products-slider {
    display: flex;
    justify-content: center;
    gap: 20px;
    transition: none;
    width: 1400px;
    margin: 0 auto;
    position: relative;
}

.product-item {
    flex: 0 0 453px;
    text-align: center;
    color: #FFF;
    transition: all 0.3s ease;
    padding: 10px;
    position: relative;
}

.product-highlight {
    transform: scale(1.15);
    z-index: 5;
    transition: transform 0.5s ease;
}

.product-image {
    width: 100%;
    height: 360px;
    margin-bottom: 15px;
    overflow: hidden;
    display: flex;
    align-items: center;
    justify-content: center;
    transition: all 0.3s ease;
}

.product-highlight .product-image {
    transform: translateY(-10px);
}

.product-image img {
    max-width: 100%;
    max-height: 100%;
    object-fit: contain;
}

.product-name {
    font-size: 26px;
    font-weight: 500;
    margin-bottom: 5px;
}

.product-desc {
    font-weight: 300;
    font-size: 17px;
}

.product-spec {
    font-weight: 300;
    font-size: 17px;
    margin-bottom: 15px;
}

.product-price {
    color: #001A3D;
    padding: 5px 15px;
    display: inline-block;
}

.price-label {
    font-size: 12px;
    margin-right: 5px;
    display: inline-block;
}

.price-value {
    font-size: 24px;
    font-weight: bold;
    display: inline-block;
}

/* 添加简单的轮播动画效果 */
@keyframes slide {
    from {
        transform: translateX(0);
    }
    to {
        transform: translateX(-100%);
    }
}
/* ========== 手机端专用样式 ========== */
@media (max-width: 576px) {
    .research-hero {
        background-position-y: 70px;
    }
    .research-hero-content {
        width:100%;
    }
    .research-hero-title {
        font-size: 32px;
        margin-top: 160px;
        margin-bottom: 70px;
    }
    .research-categories {
        display: grid;
        grid-template-columns: 1fr 1fr 1fr 1fr;
        gap: 50px 10px;
        margin-top: 20px;
    }
    .category-item {
        height: 50px;
        padding: 0;
    }
    .category-icon {
    width: 20px;
    height: 20px;}
    .category-name {
    font-size: 16px;}
    
    .life-source-section {
       width:100%;
       padding: 10px;
       padding-top: 50px;
       flex-direction: column;
    }
    
    .life-source-content {
        width: 100%;
        display: flex;
        flex-direction: column;
        padding-top: 50px;
        padding-left:0;
    }
    .source-tag {
        font-size: 18px;
        text-align: center;
        margin: 0 auto;
        margin-bottom: 20px;
        width: 120px;
    }
    .source-title {
        font-size: 38px;
        text-align: center;
    }
    .source-subtitle {
        font-size: 32px;
        text-align: center;
        margin-bottom: 10px;
    }
    .source-description {
        text-align: center;
        font-size: 28px;
        margin-bottom: 20px;
    }
    .life-source-image {
        width: 100%;
    }
    .change-world-section {
        padding-top: 40px;
    }
    .change-world-container {
        flex-direction: column-reverse;
        gap: 30px;
    }
    .change-world-content {
        width:100%;
        text-align: center;
    }
    .change-world-title {
        font-size: 28px;
    }
    .change-world-text {
        font-size: 14px;
    }
    .change-world-btn {
        font-size: 18px;
    }
    .change-world-description {
        font-size: 16px;
        margin-top: 20px;
        position: unset;
        margin-left: 0;
        width: auto;
        padding: 0 50px;
    }
    .change-world-image {
        width:100%;
        padding: 20px;
    }
    .busy-life-section {
    padding-top: 50px;
        
    }
    .busy-life-container {
        flex-direction: column;
    }
    .busy-life-content {
        width:100%;
    }
    .busy-life-title {
    font-size: 32px;
    text-align: center;
        
    }
    .busy-life-text {
            font-size: 16px;
        line-height: 1.5;
        text-align: center;
         margin-bottom: 10px;

    }
    .busy-life-btn {
        font-size: 16px;
        margin: 0 auto;
        width: 360px;
        display: block;
    }
    .busy-life-image {
        width: 100%;
        margin-top: 30px;
    }
    .macrophage-distribution-section {
        padding-top:0;
    }
    .container {
        width: 100%;
        padding: 0 10px;
    }
    .distribution-title {
        width: 100%;
        font-size: 30px;
    }
    .distribution-image {
        margin: 0 auto;
        padding-bottom: 40px;
    }
    .evil-source-section {
        padding: 10px;
        padding-top: 60px;
    }
    .evil-source-image img {
        width: 100%;
        display: block;
        object-fit: cover;
    }
    .nobel-research-section {
        padding: 10px;
        padding-top: 20px;
    }
    .nobel-research-container {
        width:100%;
        padding: 0;
    }
    .nobel-content {
        width:100%;
        padding-right:0;
    }
    .nobel-content-wrapper {
        padding: 0 20px;
    }
    .nobel-tag {
        font-size: 18px;
    }
    .nobel-title {
        font-size: 24px;
    }
    .nobel-description {
        font-size: 16px;
        line-height: 1.4;
    }
    .nobel-reference {
        font-size: 14px;
        line-height: 1;
    }
    .nobel-medal {
        display: none;
    }
    .health-info-section {
        padding: 20px 0;
    }
    .health-info-title {
        font-size: 30px;
    }
      .health-cards {
        display: grid;
        grid-template-columns: 1fr 1fr;
        gap: 20px;
    }
    .health-card {
        width:100%;
    }
    .card-content {
    padding: 10px;
        
    }
    .card-title {
    font-size: 24px;
    margin-bottom: 0px;
        
    }
    .card-text {
        font-size: 12px;
        margin-bottom: 10px;
        line-height: 1.3;
    }
    .card-text br{
        display: none;
    }
    .card-reference {
        line-height: 1.2;
    }
    .time-machine-section {
        padding: 100px 0;
        background-size: 200%;
    }
    .tech-tag {
        font-size: 16px;
        margin-bottom: 20px;
    }
    .time-machine-title {
        font-size: 26px;
        margin-bottom: 10px;
    }
    .time-machine-description {
        font-size: 16px;
         line-height: 1.;
    }
    .new-health-section {
        width:100%;
      padding: 10px;
        
    }
    .period-tag {
    font-size: 16px;
        
    }
    
    .new-health-title {
        font-size: 30px;
    }
    .new-health-description {
        font-size: 14px;
        padding: 0 40px;
    }
    .new-health-content {
        width:100%;
        padding: 100px 0;
    }
    .wider-world-section {
        padding: 20px 0;
    }
    .wider-world-header {
        width:100%;
        margin: 0 auto 20px;
    }
    .wider-world-subtitle {
        font-size: 18px;
        margin-bottom: 10px;
    }
    .wider-world-title {
        font-size: 32px;
    }
    .wider-world-image {
        width:100%;
        padding: 10px;
    }
    .product-item {
        flex: 0 0 31.333%;
        padding:0;
    }
}