:root {
    --primary-color: #FF4136;
    --secondary-color: #333333;
    --light-bg: #f8f9fa;
    --dark-bg: #ffffff;
    --text-color: #333;
    --text-light: #666;
    --shadow: 0 5px 15px rgba(0, 0, 0, 0.08);
    --banner-bg: rgb(240, 245, 255);
}




/* Banner区域 - 不再全屏 */
.nsd-banner {
    height: 50vh;
    min-height: 500px;
    background-image: linear-gradient(rgba(0, 0, 0, 0.2), rgba(0, 0, 0, 0.2)), url('https://cdn1.hsdxchina.com/static/image/service/p_xcp/banner.webp');
    background-size: cover;
    background-position: center;
    display: flex;
    align-items: center;
    justify-content: center;
    color: white;
    text-align: center;
    position: relative;
    overflow: hidden;
}

.nsd-banner-content {
    z-index: 2;
    padding: 0 20px;
    max-width: 900px;
}

.nsd-banner-title {
    font-size: 4rem;
    font-weight: 800;
    margin-bottom: 20px;
    letter-spacing: 2px;
    text-shadow: 2px 2px 8px rgba(0, 0, 0, 0.7);
}

.nsd-banner-subtitle {
    font-size: 1.3rem;
    font-weight: 300;
    margin-bottom: 30px;
    line-height: 1.8;
    text-shadow: 1px 1px 4px rgba(0, 0, 0, 0.7);
}




/* Banner区域 */
.ca-banner {
    height: 100vh;
    background-color: var(--banner-bg);
    position: relative;
    overflow: hidden;
    display: flex;
    align-items: center;
    justify-content: center;
    padding: 0 8%;
    text-align: center;
}

/* 背景装饰文字 */
.ca-bg-text {
    position: absolute;
    font-size: 25vw;
    font-weight: 900;
    color: transparent;
    -webkit-text-stroke: 1px rgba(0, 0, 0, 0.03);
    z-index: 0;
    top: 50%;
    left: 50%;
    transform: translate(-50%, -50%);
    pointer-events: none;
    user-select: none;
    white-space: nowrap;
}

.ca-banner-content {
    max-width: 900px;
    z-index: 10;
    position: relative;
}

.ca-banner-title {
    font-size: 4.5rem;
    font-weight: 800;
    line-height: 1.1;
    color: var(--secondary-color);
    margin-bottom: 1.5rem;
}

.ca-banner-subtitle {
    font-size: 1.5rem;
    color: var(--text-light);
    margin-bottom: 2.5rem;
    line-height: 1.6;
    max-width: 700px;
    margin-left: auto;
    margin-right: auto;
}

.ca-banner-highlight {
    color: var(--primary-color);
}

/* 新的Banner标题区域 */
.ca-banner-titles {
    display: flex;
    flex-direction: column;
    align-items: center;
    gap: 20px;
    margin-bottom: 2.5rem;
}

.ca-banner-title-link {
    font-size: 3.5rem;
    font-weight: 700;
    color: var(--secondary-color);
    text-decoration: none;
    transition: all 0.3s ease;
    position: relative;
    display: block;
    line-height: 1.2;
}

.ca-banner-title-link:hover {
    color: var(--primary-color);
    transform: translateX(10px);
}

.ca-banner-title-link:after {
    content: '';
    position: absolute;
    bottom: -5px;
    left: 0;
    width: 0;
    height: 3px;
    background: var(--primary-color);
    transition: width 0.3s ease;
}

.ca-banner-title-link:hover:after {
    width: 100%;
}

.ca-title-divider {
    color: var(--primary-color);
    font-size: 2rem;
    margin: 5px 0;
    opacity: 0.7;
}

.ca-scroll-down {
    position: absolute;
    bottom: 30px;
    left: 50%;
    transform: translateX(-50%);
    color: var(--text-light);
    font-size: 1.2rem;
    animation: ca-bounce 2s infinite;
    z-index: 10;
    cursor: pointer;
}

.ca-scroll-down i {
    display: block;
    text-align: center;
    margin-bottom: 10px;
    font-size: 1.8rem;
    color: var(--primary-color);
}

@keyframes ca-bounce {
    0%, 20%, 50%, 80%, 100% {transform: translateY(0) translateX(-50%);}
    40% {transform: translateY(-10px) translateX(-50%);}
    60% {transform: translateY(-5px) translateX(-50%);}
}

/* 装饰色块 */
.ca-decoration {
    position: absolute;
    z-index: 1;
}

.ca-dec-1 {
    width: 300px;
    height: 300px;
    background: var(--primary-color);
    opacity: 0.05;
    border-radius: 30% 70% 70% 30% / 30% 30% 70% 70%;
    top: 15%;
    right: 10%;
    animation: ca-morph 15s infinite linear;
}

.ca-dec-2 {
    width: 200px;
    height: 200px;
    background: rgba(255, 65, 54, 0.03);
    border-radius: 50%;
    bottom: 20%;
    left: 5%;
    animation: ca-float 20s infinite linear;
}

@keyframes ca-morph {
    0% {border-radius: 30% 70% 70% 30% / 30% 30% 70% 70%;}
    25% {border-radius: 58% 42% 75% 25% / 76% 46% 54% 24%;}
    50% {border-radius: 50% 50% 33% 67% / 55% 27% 73% 45%;}
    75% {border-radius: 33% 67% 58% 42% / 63% 68% 32% 37%;}
    100% {border-radius: 30% 70% 70% 30% / 30% 30% 70% 70%;}
}

@keyframes ca-float {
    0%, 100% {transform: translateY(0) rotate(0deg);}
    50% {transform: translateY(-20px) rotate(180deg);}
}

/* 云朵滑动区域 - 使用示例云朵图片 */
.ca-clouds-container {
    position: absolute;
    bottom: 0;
    left: 0;
    width: 100%;
    height: 180px;
    overflow: hidden;
    z-index: 5;
}

.ca-clouds-overlay {
    position: absolute;
    top: 0;
    left: 0;
    width: 200%;
    height: 100%;
    background-image: url('https://cdn1.hsdxchina.com/static/image/bg_ca.webp');
    background-size: contain;
    background-repeat: repeat-x;
    animation: ca-clouds-move 50s linear infinite;
    opacity: 1;
}

@keyframes ca-clouds-move {
    0% { transform: translateX(0); }
    100% { transform: translateX(-50%); }
}

/* 解决方案分类 */
.ca-solutions-section {
    padding: 100px 8%;
    background-color: #ffffff;
}

.ca-section-title {
    text-align: center;
    font-size: 2.8rem;
    font-weight: 700;
    margin-bottom: 3rem;
    color: var(--secondary-color);
    position: relative;
}

.ca-section-title:after {
    content: '';
    position: absolute;
    width: 80px;
    height: 4px;
    background: var(--primary-color);
    bottom: -15px;
    left: 50%;
    transform: translateX(-50%);
    border-radius: 2px;
}

.ca-tabs {
    display: flex;
    justify-content: center;
    flex-wrap: wrap;
    margin-bottom: 60px;
    padding-bottom: 20px;
    border-bottom: 1px solid #eaeaea;
}

.ca-tab {
    padding: 0 28px;
    background: transparent;
    border: none;
    font-size: 1.2rem;
    font-weight: 400;
    color: var(--text-light);
    cursor: pointer;
    transition: all 0.4s ease; /* 增加过渡时间，更平缓 */
    position: relative;
    display: flex;
    align-items: center;
    gap: 8px;
}

.ca-tab:not(:last-child):after {
    content: '';
    position: absolute;
    right: -2px;
    width: 1px;
    height: 18px;
    background-color: #ddd;
}

.ca-tab:hover {
    color: var(--primary-color);
}

.ca-tab.ca-active {
    color: var(--primary-color);
}

.ca-tab-arrow {
    font-size: 0.9rem;
    opacity: 0;
    transition: opacity 0.4s ease; /* 增加过渡时间 */
}

.ca-tab:hover .ca-tab-arrow,
.ca-tab.ca-active .ca-tab-arrow {
    opacity: 1;
}

/* 解决方案列表 */
.ca-solutions-list {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: 40px;
    opacity: 1;
    transition: opacity 0.6s ease; /* 增加过渡时间，更平缓 */
}

.ca-solution-item {
    background: white;
    overflow: hidden;
    position: relative;
    box-shadow: var(--shadow);
    transition: box-shadow 0.4s ease; /* 增加过渡时间 */
    height: 400px;
}

.ca-solution-item:hover {
    box-shadow: 0 15px 30px rgba(0, 0, 0, 0.12);
}

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

/* 图片底部标题 - 透明渐变背景 */
.ca-solution-title-bottom {
    position: absolute;
    bottom: 0;
    left: 0;
    width: 100%;
    background: linear-gradient(to top, rgba(0, 0, 0, 0.8), rgba(0, 0, 0, 0.4), rgba(0, 0, 0, 0));
    color: white;
    padding: 20px 20px;
    font-size: 1.2rem;
    font-weight: 600;
    text-align: center;
    transition: transform 0.5s ease, opacity 0.5s ease; /* 增加过渡时间 */
    z-index: 2;
    text-shadow: 0 2px 4px rgba(0, 0, 0, 0.5);
}

.ca-solution-item:hover .ca-solution-title-bottom {
    transform: translateY(100%);
    opacity: 0;
}

.ca-solution-overlay {
    position: absolute;
    top: 0;
    left: 100%;
    width: 100%;
    height: 100%;
    background: rgba(0, 0, 0, 0.85);
    display: flex;
    flex-direction: column;
    justify-content: center;
    align-items: center;
    padding: 30px;
    transition: left 0.6s cubic-bezier(0.25, 0.46, 0.45, 0.94); /* 增加过渡时间 */
}

.ca-solution-item:hover .ca-solution-overlay {
    left: 0;
}

/* 圆形内容区域 */
.ca-circle-content {
    width: 260px;
    height: 260px;
    border: 2px solid rgba(255, 255, 255, 0.2);
    border-radius: 50%;
    display: flex;
    flex-direction: column;
    justify-content: center;
    align-items: center;
    padding: 20px;
    position: relative;
    margin-bottom: 20px;
}

.ca-solution-category {
    color: rgba(255, 255, 255, 0.8);
    font-size: 0.85rem;
    margin-bottom: 10px;
    text-transform: uppercase;
    letter-spacing: 1px;
}

.ca-solution-title {
    color: white;
    font-size: 1.4rem;
    font-weight: 600;
    text-align: center;
    margin: 10px 0;
    text-decoration: underline;
    text-decoration-color: transparent;
    transition: all 0.4s ease; /* 增加过渡时间 */
    padding: 5px 0;
}

.ca-solution-title:hover {
    color: var(--primary-color);
    text-decoration-color: var(--primary-color);
}

.ca-arrow {
    color: white;
    font-size: 1.5rem;
    margin-top: 5px;
    transition: color 0.4s ease; /* 增加过渡时间 */
}

.ca-solution-title:hover ~ .ca-arrow {
    color: var(--primary-color);
}

/* 标签区域 */
.ca-tags-container {
    display: flex;
    flex-wrap: wrap;
    justify-content: center;
    gap: 8px;
    margin-top: 40px;
}

.ca-tag {
    background: transparent;
    border: 1px solid rgba(255, 255, 255, 0.3);
    color: white;
    padding: 4px 12px;
    border-radius: 20px;
    font-size: 0.8rem;
    transition: all 0.3s ease;
    cursor: default;
}

.ca-tag:hover {
    background: rgba(255, 255, 255, 0.2);
    border-color: var(--primary-color);
    /* 移除 transform: translateY(-2px); 效果 */
}

/* 交替背景色 */
.ca-light-bg {
    background-color: var(--light-bg);
}

.ca-dark-bg {
    background-color: var(--dark-bg);
}

/* 响应式设计 */
/* 超大型显示器 */
@media (min-width: 1600px) {
    .ca-banner-title {
        font-size: 5.5rem;
    }
    
    .ca-solutions-list {
        gap: 50px;
    }
    
    .ca-solution-item {
        height: 450px;
    }
}

/* 大桌面显示器 */
@media (min-width: 1400px) {
    .ca-banner-title {
        font-size: 5rem;
    }
    
    .ca-solutions-list {
        gap: 45px;
    }
    
    .ca-solution-item {
        height: 500px;
    }
}

/* 中等桌面显示器 */
@media (max-width: 1200px) {
    .ca-banner-title {
        font-size: 3.8rem;
    }
    
    .ca-solutions-list {
        grid-template-columns: repeat(3, 1fr);
        gap: 35px;
    }
    
    .ca-solution-item {
        height: 380px;
    }
    
    .ca-circle-content {
        width: 180px;
        height: 180px;
    }
}

/* 平板横屏 */
@media (max-width: 992px) {
    .ca-banner-title {
        font-size: 3.2rem;
    }
    
    .ca-banner-subtitle {
        font-size: 1.3rem;
    }
    
    .ca-tabs {
        gap: 10px;
    }
    
    .ca-tab {
        padding: 0 20px;
        font-size: 1.1rem;
    }
    
    .ca-solutions-list {
        grid-template-columns: repeat(2, 1fr);
        gap: 30px;
    }
    
    .ca-section-title {
        font-size: 2.5rem;
    }
    
    .ca-solution-item {
        height: 350px;
    }
    
    .ca-circle-content {
        width: 170px;
        height: 170px;
    }
}

/* 平板竖屏 */
@media (max-width: 768px) {
    .ca-banner {
        padding: 0 5%;
    }
    
    .ca-banner-title {
        font-size: 2.5rem;
    }
    
    .ca-solutions-section {
        padding: 80px 5%;
    }
    
    .ca-section-title {
        font-size: 2.3rem;
    }
    
    .ca-tabs {
        justify-content: center;
        overflow-x: auto;
        padding-bottom: 15px;
        flex-wrap: wrap;
        gap: 15px;
    }
    
    .ca-tab:not(:last-child):after {
        display: none;
    }
    
    .ca-solutions-list {
        grid-template-columns: repeat(2, 1fr);
        gap: 25px;
    }
    
    .ca-circle-content {
        width: 160px;
        height: 160px;
    }
    
    .ca-clouds-container {
        height: 120px;
    }
    
    .ca-solution-item {
        height: 320px;
    }
    
    .ca-solution-title-bottom {
        padding: 15px 15px;
        font-size: 1.1rem;
    }
}

/* 手机 */
@media (max-width: 576px) {
    .ca-banner-title {
        font-size: 2.2rem;
    }
    
    .ca-banner-subtitle {
        font-size: 1.1rem;
        max-width: 100%;
    }
    
    .ca-solutions-list {
        grid-template-columns: 1fr;
        gap: 25px;
    }
    
    .ca-section-title {
        font-size: 2rem;
        margin-bottom: 2rem;
    }
    
    .ca-tab {
        font-size: 1rem;
        padding: 0 15px;
    }
    
    .ca-tabs {
        margin-bottom: 40px;
    }
    
    .ca-circle-content {
        width: 150px;
        height: 150px;
    }
    
    .ca-solution-title {
        font-size: 1.2rem;
    }
    
    .ca-clouds-container {
        height: 100px;
    }
    
    .ca-solution-item {
        height: 300px;
    }
    
    .ca-tags-container {
        max-width: 250px;
    }
    .nsd-banner-title{
        font-size: 2rem;
    }
    
}

/* 小手机 */
@media (max-width: 400px) {
    .ca-banner-title {
        font-size: 1.8rem;
    }
    
    .ca-tab {
        padding: 0 12px;
        font-size: 0.95rem;
    }
    
    .ca-circle-content {
        width: 140px;
        height: 140px;
        padding: 15px;
    }
    
    .ca-solution-title {
        font-size: 1.1rem;
    }
    
    .ca-solution-item {
        height: 280px;
    }
    
    .ca-solution-title-bottom {
        font-size: 1rem;
        padding: 12px 12px;
    }
}





/*新banner*/

/* Banner区域 - 带遮罩层的图片背景 */
.ca-banner {
    height: 100vh;
    background: 
        linear-gradient(rgba(0, 0, 0, 0.3), rgba(0, 0, 0, 0.1)),
        url('https://cdn1.hsdxchina.com/static/image/banner_case.webp');
    background-size: cover;
    background-position: center;
    background-repeat: no-repeat;
    position: relative;
    overflow: hidden;
    display: flex;
    align-items: center;
    justify-content: center;
    padding: 0 8%;
}

.ca-banner-content {
    max-width: 1200px;
    width: 100%;
    z-index: 10;
    position: relative;
    text-align: center;
    left: 130px;
}

 
/* 标题区域 */
.ca-banner-titles {
    display: flex;
    flex-direction: column;
    align-items: center;
    gap: 8px;
    margin-top: 40px;
}

/* 标题样式 */
.ca-banner-title-link {
    font-size: 3.8rem;
    font-weight: 800;
    color: white;
    text-decoration: none;
    transition: all 0.6s cubic-bezier(0.25, 0.46, 0.45, 0.94);
    position: relative;
    display: block;
    line-height: 1.2;
    text-shadow: 0 4px 8px rgba(0, 0, 0, 0.5);
    letter-spacing: 1px;
    opacity: 0;
    transform: translateY(80px);
    padding: 15px 0;
    will-change: transform, opacity;
}

/* 标题依次出现动画 - 自下而上平缓出现 */
.ca-banner-title-link:nth-child(1) {
    animation: titleSlideUp 1.8s cubic-bezier(0.23, 1, 0.32, 1) forwards 0.6s;
}

.ca-banner-title-link:nth-child(3) {
    animation: titleSlideUp 1.8s cubic-bezier(0.23, 1, 0.32, 1) forwards 1.1s;
}

.ca-banner-title-link:nth-child(5) {
    animation: titleSlideUp 1.8s cubic-bezier(0.23, 1, 0.32, 1) forwards 1.6s;
}

@keyframes titleSlideUp {
    0% {
        opacity: 0;
        transform: translateY(80px);
    }
    100% {
        opacity: 1;
        transform: translateY(0);
    }
}

.ca-banner-title-link:hover {
    color: var(--primary-color);
    transform: translateY(-5px);
    text-shadow: 0 8px 16px rgba(255, 65, 54, 0.3);
}

.ca-banner-title-link:after {
    content: '';
    position: absolute;
    bottom: 0;
    left: 50%;
    transform: translateX(-50%);
    width: 0;
    height: 4px;
    background: var(--primary-color);
    transition: width 0.5s ease;
    border-radius: 2px;
}

.ca-banner-title-link:hover:after {
    width: 80%;
}

/* 箭头图标样式 */
.ca-title-divider {
    color: var(--primary-color);
    font-size: 4rem;
    margin: 5px 0;
    opacity: 0;
    transform: translateY(60px);
    text-shadow: 0 2px 8px rgba(0, 0, 0, 0.3);
    display: flex;
    align-items: center;
    justify-content: center;
    height: 60px;
    will-change: transform, opacity;
}

/* 箭头图标动画 - 自下而上平缓出现 */
.ca-title-divider:nth-child(2) {
    animation: arrowSlideUp 1.5s cubic-bezier(0.23, 1, 0.32, 1) forwards 0.9s;
}

.ca-title-divider:nth-child(4) {
    animation: arrowSlideUp 1.5s cubic-bezier(0.23, 1, 0.32, 1) forwards 1.4s;
}

@keyframes arrowSlideUp {
    0% {
        opacity: 0;
        transform: translateY(60px);
    }
    100% {
        opacity: 1;
        transform: translateY(0);
    }
}

/* 箭头图标样式 */
.ca-arrow-icon {
    font-size: 4rem;
    filter: drop-shadow(0 4px 6px rgba(0, 0, 0, 0.3));
    transition: all 0.4s ease;
}

.ca-title-divider:hover .ca-arrow-icon {
    color: #ff6b6b;
    transform: translateY(5px);
    filter: drop-shadow(0 6px 10px rgba(255, 65, 54, 0.4));
}

/* 滚动查看更多 */
.ca-scroll-down {
    position: absolute;
    bottom: 30px;
    left: 50%;
    transform: translateX(-50%);
    color: #aaa;
    font-size: 1.2rem;
    animation: ca-bounce 2s infinite;
    z-index: 10;
    cursor: pointer;
}

.ca-scroll-down i {
    display: block;
    text-align: center;
    margin-bottom: 10px;
    font-size: 1.8rem;
    color: var(--primary-color);
}

@keyframes ca-bounce {
    0%, 20%, 50%, 80%, 100% {transform: translateY(0) translateX(-50%);}
    40% {transform: translateY(-10px) translateX(-50%);}
    60% {transform: translateY(-5px) translateX(-50%);}
}

/* 背景光晕效果 */
.ca-glow-effect {
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    pointer-events: none;
    z-index: 1;
    opacity: 0.6;
    background: radial-gradient(circle at 50% 50%, 
        rgba(255, 65, 54, 0.15) 0%,
        rgba(255, 65, 54, 0.08) 20%,
        transparent 50%);
}

/* 响应式设计 */
@media (max-width: 1600px) {
    .ca-banner-title-link {
        font-size: 4rem;
    }
    
    .ca-arrow-icon {
        font-size: 3.5rem;
    }
}

@media (max-width: 1200px) {
    .ca-banner-title-link {
        font-size: 3.5rem;
    }
    
    .ca-arrow-icon {
        font-size: 3rem;
    }
    
    .ca-banner-titles {
        gap: 35px;
    }
}

@media (max-width: 992px) {
    .ca-banner {
        padding: 0 5%;
    }
    
    .ca-banner-title-link {
        font-size: 3rem;
    }
    
    .ca-arrow-icon {
        font-size: 2.5rem;
    }
    
    .ca-banner-titles {
        gap: 30px;
    }
    
    .ca-title-divider {
        height: 50px;
    }
}

@media (max-width: 768px) {
    .ca-banner-title-link {
        font-size: 2.5rem;
    }
    
    .ca-arrow-icon {
        font-size: 2rem;
    }
    
    .ca-banner-titles {
        gap: 25px;
    }
    
    .ca-title-divider {
        height: 40px;
    }
    
    .ca-scroll-down {
        bottom: 30px;
        font-size: 1rem;
    }
    
    .ca-scroll-down i {
        font-size: 2rem;
    }
}

@media (max-width: 576px) {
    .ca-banner-title-link {
        font-size: 2rem;
        padding: 10px 0;
    }
    
    .ca-arrow-icon {
        font-size: 1.6rem;
    }
    
    .ca-banner-titles {
        gap: 20px;
        margin-top: 20px;
    }
    
    .ca-title-divider {
        height: 30px;
    }
    
    .ca-scroll-down {
        bottom: 25px;
        font-size: 0.9rem;
    }
    
    .ca-scroll-down i {
        font-size: 1.8rem;
    }
}

@media (max-width: 400px) {
    .ca-banner-title-link {
        font-size: 1.7rem;
    }
    
    .ca-arrow-icon {
        font-size: 1.4rem;
    }
    
    .ca-banner-titles {
        gap: 15px;
    }
}

@media (max-width: 320px) {
    .ca-banner-title-link {
        font-size: 1.5rem;
    }
    
    .ca-arrow-icon {
        font-size: 1.2rem;
    }
}