/* 基于rem的等比例缩放基础设置 */
html {
    font-size: 16px; /* 基准字体大小 */
    overflow-x: hidden;
}

sup {
    top: -0.3em;
    font-size: 1.2rem;
    line-height: 0;
    font-weight: 300;
    position: relative;
    vertical-align: baseline;
}

/*头部*/
.header-item {
    width: 100%;
    min-width: 75rem; /* 1200px / 16px = 75rem */
    position: relative;
}
.header-item .header-content {margin: auto;width: 100%;position: relative;}

/* AI能力页面-顶部Banner */
.header-content {
    background: url(/r/cms/www/default/images/ai/banner.png) no-repeat center center;
    background-size: cover;
    height: 30rem; /* 480px / 16px = 30rem */
    display: flex;
    align-items: flex-start;
}

.banner-container {
    width: 1200px;
    margin: 0 auto;
    display: flex;
    justify-content: space-between;
    align-items: center;
}

.banner-left {
    max-width: 100%;
    box-sizing: border-box;
    padding-top: 2.5rem; /* 40px / 16px = 2.5rem */
}

.banner-title-cn {
    font-weight: 600;
    font-size: 2.75rem; /* 44px / 16px = 2.75rem */
    line-height: 3.25rem; /* 52px / 16px = 3.25rem */
    text-align: left;
    color: #186cf5;
}

.banner-right {
    padding-top: 3.125rem; /* 50px / 16px = 3.125rem */
}

.banner-right img {
    width: 25rem; /* 400px / 16px = 25rem */
}

.banner-title-main {
    margin-top: 1.875rem; /* 30px / 16px = 1.875rem */
    font-weight: 500;
    font-size: 2.375rem; /* 38px / 16px = 2.375rem */
    line-height: 3.25rem; /* 52px / 16px = 3.25rem */
    text-align: left;
    color: #333;
}

.banner-button {
    width: 8.625rem; /* 138px / 16px = 8.625rem */
    height: 2.75rem; /* 44px / 16px = 2.75rem */
    background-color: #0050d8;;
    color: #fff;
    font-size: 1rem; /* 16px / 16px = 1rem */
    text-align: center;
    line-height: 3rem; /* 48px / 16px = 3rem */
    border-radius: 0.25rem; /* 4px / 16px = 0.25rem */
    margin-top: 2.5rem; /* 40px / 16px = 2.5rem */
    cursor: pointer;
}

.nav-menu.fixed {
    background-color:#FFFFFF !important
}

/* AI能力页面-三大特色 */
.content-one {
    position: absolute;
    bottom: 0;
    left: 0;
    width: 100%;
    background-color: rgba(255, 255, 255, 0.5);
    padding: 1.125rem 0; /* 18px / 16px = 1.125rem */
}

.feature-box {
    width:1200px; /* 1500px / 16px = 93.75rem */
    margin: 0 auto;
    display: flex;
    justify-content: space-around;
    align-items: center;
}

.feature-item {
    display: flex;
    align-items: center;
    font-size: 1.25rem; /* 20px / 16px = 1.25rem */
    color: #333;
}

.feature-item img {
    width: 1.875rem; /* 30px / 16px = 1.875rem */
    height: 1.875rem; /* 30px / 16px = 1.875rem */
    margin-right: 0.9375rem; /* 15px / 16px = 0.9375rem */
}

.feature-separator {
    width: 0.0625rem; /* 1px / 16px = 0.0625rem */
    height: 1.875rem; /* 30px / 16px = 1.875rem */
    background-color: #ffffff;
}

/* AI能力页面-六大能力 */
.ai-ability-section {
    padding: 4.6875rem 0; /* 75px / 16px = 4.6875rem */
    text-align: center;
    background-color: #ffffff
}

.ai-ability-title {
    font-weight: 500;
    font-size: 1.875rem; /* 30px / 16px = 1.875rem */
    line-height: 2rem; /* 32px / 16px = 2rem */
    text-align: center;
    color: #2e2e2e;
    margin-bottom:0;
}

.ai-ability-subtitle {
    font-weight: 400;
    font-size: 1.125rem; /* 18px / 16px = 1.125rem */
    line-height: 1.75rem; /* 28px / 16px = 1.75rem */
    text-align: center;
    color: #2e2e2e;
    margin-top: 1.25rem; /* 20px / 16px = 1.25rem */
    margin-bottom: 2.5rem; /* 40px / 16px = 2.5rem */
}

.ai-ability-grid {
    width: 1200px;
    margin: 0 auto;
    display: grid;
    grid-template-columns: repeat(2, 1fr);
}

.ai-ability-card {
    width: 100%;
    background-size: 102% 105%;
    background-position: center;
    background-repeat: no-repeat;
    display: flex;
    flex-direction: column;
    justify-content: center;
    padding: 35px 40px 40px; /* 40px / 16px = 2.5rem */
}

.ai-ability-card .ai-ability-card-header {
    display: flex;
    align-items: center;
    margin-bottom: 0;
}

.ai-ability-card .ai-ability-card-header img {
    width: 2.25rem; /* 36px / 16px = 2.25rem */
    height: 2.25rem; /* 36px / 16px = 2.25rem */
    margin-right: 0.75rem; /* 12px / 16px = 0.75rem */
}

.ai-ability-card .ai-ability-card-header h3 {
    font-weight: 500;
    font-size: 1.375rem; /* 22px / 16px = 1.375rem */
    line-height: 2rem; /* 32px / 16px = 2rem */
    text-align: center;
    color: #2e2e2e;
}

.ai-ability-card .card-content {
    display: flex;
    justify-content: space-between;
    text-align: left;
    margin-top: 20px; /* 26px / 16px = 1.625rem */
}

.ai-ability-card .card-content ul {
    list-style: none;
    padding: 0;
    margin: 0;
}

.ai-ability-card .card-content ul li {
    font-weight: 400;
    font-size: 15px; /* 16px / 16px = 1rem */
    line-height: 1.25rem; /* 20px / 16px = 1.25rem */
    text-align: left;
    color: #2e2e2e;
    margin-bottom: 16px; /* 20px / 16px = 1.25rem */
    position: relative;
    padding-left: 0.9375rem; /* 15px / 16px = 0.9375rem */
}

.ai-ability-card .card-content ul li::before {
    content: '•';
    position: absolute;
    left: 0;
    color: inherit;
}

/* Restore the margin rule for the last item in BOTH lists */
.ai-ability-card .card-content ul li:last-child {
    margin-bottom: 0;
}

/* Specifically hide the bullet point for the "..." item,
   which is the last 'li' in the second 'ul' */
.ai-ability-card .card-content ul:last-child li:last-child::before {
    content: none;
}

.get-plan-button {
    width: 8.5rem; /* 136px / 16px = 8.5rem */
    height: 2.25rem; /* 36px / 16px = 2.25rem */
    background: #186CF5;
    opacity: 0.8;
    border: 0.025rem solid #186cf5; /* 0.4px / 16px = 0.025rem */
    border-radius: 1.125rem; /* 18px / 16px = 1.125rem */
    color: #fff;
    font-weight: 400;
    font-size: 0.875rem; /* 14px / 16px = 0.875rem */
    line-height: 2.25rem; /* 36px / 16px = 2.25rem */
    text-align: center;
    display: inline-block;
    cursor: pointer;
    margin-top: 1.875rem; /* 30px / 16px = 1.875rem */
}

/* 客户实践 - 轮播图 */
.ai-practice-section {
    padding: 4.6875rem 0; /* 75px / 16px = 4.6875rem */
    text-align: center;
    position: relative;
    background: #f5f7fa;
}

.ai-practice-title {
    font-weight: 500;
    font-size: 1.875rem; /* 30px / 16px = 1.875rem */
    line-height: 2rem; /* 52px / 16px = 3.25rem */
    color: #2e2e2e;
    margin-bottom: 0;
}

.ai-practice-subtitle {
    font-weight: 400;
    font-size: 1.125rem;
    line-height: 1.75rem;
    text-align: center;
    color: #2e2e2e;
    margin-top: 1.25rem;
    margin-bottom: 2.5rem;
}

.swiper-main-area {
    width: 1200px;
    margin: 0 auto;
    position: relative;
}

.ai-practice-swiper {
    position: relative;
    width: 100%;
    padding-top: 3.125rem; /* 50px / 16px = 3.125rem */
    padding-bottom: 1.25rem; /* 20px / 16px = 1.25rem */
    z-index: 0 !important;
}

.swiper-slide {
    width: 66.0625rem !important; /* 1057px / 16px = 66.0625rem */
    height: 31.5625rem !important; /* 505px / 16px = 31.5625rem */
    border-radius: 1rem; /* 16px / 16px = 1rem */
    overflow: hidden;
    position: relative;
}

.swiper-slide img {
    width: 100%;
    height: 100%;
    object-fit: cover;
}

.slide-cover {
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background: url('/r/cms/www/default/images/ai/anli_cover.png') no-repeat center;
    background-size: cover;
    opacity: 0; /* 默认隐藏 */
    transition: opacity 0.3s ease-in-out;
    display: flex;
    align-items: center;
    box-sizing: border-box;
}

.swiper-slide-active .slide-cover {
    opacity: 1;
}

.slide-text {
    width: 45%;
    text-align: left;
    margin-left: 3rem; /* 48px / 16px = 3rem */
}

.slide-text h4 {
    font-size: 1.25rem; /* 20px / 16px = 1.25rem */
    margin-bottom: 1.25rem; /* 20px / 16px = 1.25rem */
    font-weight: 500;
    line-height: 1.75rem; /* 28px / 16px = 1.75rem */
    text-align: left;
    color: #fff;
}

.slide-text p {
    font-size: 0.875rem; /* 14px / 16px = 0.875rem */
    margin-bottom: 1.25rem; /* 20px / 16px = 1.25rem */
    overflow: visible;
    text-overflow: initial;
    display: block;
    font-weight: 400;
    line-height: 1.625rem; /* 26px / 16px = 1.625rem */
    text-align: left;
    color: #fff;
}

.tech-tags {
    font-size: 0.875rem; /* 14px / 16px = 0.875rem */
}

.tech-tags span {
    font-weight: 400;
    font-size: 0.875rem; /* 14px / 16px = 0.875rem */
    line-height: 1.625rem; /* 26px / 16px = 1.625rem */
    text-align: left;
    color: #fff;
}

.tech-tags .tag {
    background-color: #FFFFFF;
    color: #2E2E2E;
    padding: 0 0.625rem; /* 10px / 16px = 0.625rem */
    border-radius: 0.625rem; /* 10px / 16px = 0.625rem */
    display: inline-block;
    margin: 0.3125rem 0 0.3125rem 0.625rem; /* 5px / 16px = 0.3125rem, 10px / 16px = 0.625rem */
    font-size: 0.75rem; /* 12px / 16px = 0.75rem */
}

.ai-practice-button-next,
.ai-practice-button-prev {
    position: absolute;
    top: 60%;
    transform: translateY(-50%);
    cursor: pointer;
}

.ai-practice-button-next {
    right: calc(50% - 43.75rem); /* 700px / 16px = 43.75rem */
}

.ai-practice-button-prev {
    left: calc(50% - 43.75rem); /* 700px / 16px = 43.75rem */
}

.ai-practice-button-next img,
.ai-practice-button-prev img {
    width: 3.75rem; /* 60px / 16px = 3.75rem */
    height: 3.75rem; /* 60px / 16px = 3.75rem */
}

/* 隐藏Swiper自带的箭头图标，只保留我们自定义的图片 */
.swiper-button-next::after,
.swiper-button-prev::after {
    display: none;
}

.ai-practice-learn-more {
    width: 8.5rem; /* 136px / 16px = 8.5rem */
    height: 2.25rem; /* 36px / 16px = 2.25rem */
    background: #186CF5;
    opacity: 0.8;
    border: 0.025rem solid #186cf5; /* 0.4px / 16px = 0.025rem */
    border-radius: 1.125rem; /* 18px / 16px = 1.125rem */
    color: #fff;
    font-weight: 400;
    font-size: 0.875rem; /* 14px / 16px = 0.875rem */
    line-height: 2.25rem; /* 36px / 16px = 2.25rem */
    text-align: center;
    display: inline-block;
    cursor: pointer;
    margin-top: 1.875rem; /* 30px / 16px = 1.875rem */
}

.swiper-pagination {
    display: none;
}

/* tab导航样式 */
.ai-practice-tabs {
    display: flex;
    justify-content: center;
    align-items: center;
    gap: 3rem; /* 48px / 16px = 3rem */
}

.ai-practice-tab {
    cursor: pointer;
    padding: 0 0 0.9375rem 0; /* 15px / 16px = 0.9375rem */
    position: relative;
    background: none;
    border: none;
    outline: none;
    transition: color 0.2s;
    font-weight: 400;
    font-size: 1.125rem; /* 18px / 16px = 1.125rem */
    line-height: 1.625rem; /* 26px / 16px = 1.625rem */
    text-align: center;
    color: #2e2e2e;
}

.ai-practice-tab.ai-practice-tab-active::after {
    content: '';
    position: absolute;
    left: 50%;
    bottom: 0;
    transform: translateX(-50%);
    width: 3.75rem; /* 60px / 16px = 3.75rem */
    height: 0.125rem; /* 2px / 16px = 0.125rem */
    background-color: #0052FF;
    border-radius: 0.125rem; /* 2px / 16px = 0.125rem */
}

/* 产品技术及服务 section */
.ai-pro-serv-section {
    padding: 4.6875rem 0; /* 75px / 16px = 4.6875rem */
    text-align: center;
    background-color: #ffffff;
}

.ai-pro-serv-grid {
    display: grid;
    width: 76.875rem; /* 1230px / 16px = 76.875rem */
    min-width: 1200px;
    grid-template-columns: repeat(3, 1fr);
    gap: 0;
    margin: auto;
    text-align: left;
}

.ai-pro-serv-card {
    position: relative;
    border-radius: 1rem; /* 16px / 16px = 1rem */
    overflow: hidden;
    display: flex;
    flex-direction: column;
    aspect-ratio: 207 / 418;
    background: url('/r/cms/www/default/images/ai/jsjfwbackback.png') no-repeat center;
    background-size: contain;
    width: 25.625rem; /* 410px / 16px = 25.625rem */
    height: auto;
}

/* 为第2个和第3个卡片添加特殊样式，覆盖hover效果 */
.ai-pro-serv-grid .ai-pro-serv-card:nth-child(2) .ai-pro-serv-item h4:hover,
.ai-pro-serv-grid .ai-pro-serv-card:nth-child(3) .ai-pro-serv-item h4:hover {
    color: #2E2E2E; /* 保持原始颜色，不变色 */
}

.ai-pro-serv-grid .ai-pro-serv-card:nth-child(2) .ai-pro-serv-item h4:hover small,
.ai-pro-serv-grid .ai-pro-serv-card:nth-child(3) .ai-pro-serv-item h4:hover small {
    color: #2E2E2E; /* 保持原始颜色 */
    background-color: #F3F3F3; /* 保持原始背景色 */
}

.ai-pro-serv-card-header {
    color: #FFFFFF;
    padding: 2.5rem 2.5rem 2.5rem; /* 50px 40px 40px / 16px */
    display: flex;
    align-items: center;
    justify-content: center;
}

.ai-pro-serv-card-header img {
    width: 1.5rem; /* 24px / 16px = 1.5rem */
    height: 1.5rem; /* 24px / 16px = 1.5rem */
    margin-right: 1.25rem; /* 20px / 16px = 1.25rem */
}

.ai-pro-serv-card-header h3 {
    font-size: 22px; /* 20px / 16px = 1.25rem */
    font-weight: 500;
    margin: 0;
}

.ai-pro-serv-card-body {
    padding: 1.5rem 2rem; /* 50px 40px 40px / 16px */
    flex-grow: 1;
}

.ai-pro-serv-item {
    height: 6.4375rem; /* 103px / 16px = 6.4375rem */
    margin-bottom: 0.5rem; /* 8px / 16px = 0.5rem */
}

.ai-pro-serv-item h4 {
    color: #2E2E2E;
    margin-bottom: 0.5rem; /* 8px / 16px = 0.5rem */
    font-weight: 500;
    font-size: 1rem; /* 16px / 16px = 1rem */
    line-height: 1.625rem; /* 26px / 16px = 1.625rem */
    text-align: left;
    display: flex;
    align-items: center;
    transition: color 0.3s ease;
    cursor: pointer;
}

.ai-pro-serv-item h4:hover {
    color: #186cf5;
}

.ai-pro-serv-item h4 small {
    font-weight: 500;
    font-size: 0.875rem; /* 14px / 16px = 0.875rem */
    margin-left: 0.5rem; /* 8px / 16px = 0.5rem */
    padding: 0.125rem 0.375rem; /* 2px 6px / 16px */
    border-radius: 0.5rem; /* 8px / 16px = 0.5rem */
    color: #2E2E2E;
    background-color: #F3F3F3;
    transition: all 0.3s ease;
}

.ai-pro-serv-item h4:hover small {
    color: #FFFFFF;
    background-color: #478FF3;
}

.ai-pro-serv-item p {
    margin: 0;
    font-weight: 400;
    font-size: 0.875rem; /* 14px / 16px = 0.875rem */
    line-height: 1.5rem; /* 24px / 16px = 1.5rem */
    text-align: left;
    color: #787878;
}

.ai-pro-serv-button {
    width: 8.5rem; /* 136px / 16px = 8.5rem */
    height: 2.25rem; /* 36px / 16px = 2.25rem */
    background: #186CF5;
    border: 0.025rem solid #186cf5; /* 0.4px / 16px = 0.025rem */
    opacity: 0.8;
    border-radius: 1.125rem; /* 18px / 16px = 1.125rem */
    color: #fff;
    font-weight: 400;
    font-size: 0.875rem; /* 14px / 16px = 0.875rem */
    line-height: 2.25rem; /* 36px / 16px = 2.25rem */
    text-align: center;
    display: inline-block;
    cursor: pointer;
    margin-top: 2.5rem; /* 40px / 16px = 2.5rem */
}

/* AI实力认可 section */
.ai-recognition-section {
    padding-top: 4.6875rem; /* 75px / 16px = 4.6875rem */
    padding-bottom: 1.25rem; /* 20px / 16px = 1.25rem */
    text-align: center;
    background-color: #0a1533;
}

.ai-recognition-section .ai-ability-title {
    color: #fff;
}

.ai-recognition-content {
    display: flex;
    justify-content: center;
    min-width: 1200px;
    margin: 3.125rem auto 0; /* 50px / 16px = 3.125rem */
    gap: 6.25rem; /* 100px / 16px = 6.25rem */
}

.ai-recognition-list ul {
    list-style: none;
    padding: 0;
    margin: 0;
    text-align: left;
}

.ai-recognition-list ul li {
    font-weight: 300;
    font-size: 1rem; /* 16px / 16px = 1rem */
    line-height: 2.5625rem; /* 41px / 16px = 2.5625rem */
    color: #fff;
    position: relative;
    padding-left: 0.9375rem; /* 15px / 16px = 0.9375rem */
}

.ai-recognition-list ul li::before {
    content: '•';
    position: absolute;
    left: 0;
    color: #fff;
}

.ai-recognition-image {
    margin-top: 0.625rem; /* 10px / 16px = 0.625rem */
}

.ai-recognition-image img {
    max-width: 81.25rem; /* 1300px / 16px = 81.25rem */
    height: auto;
}

/*下方体验表单*/
.content-center .content-try {
    width: 100%;
    height: 18.5rem; /* 296px / 16px = 18.5rem */
    background: url("/r/cms/www/default/images/ai/connact-back.png") no-repeat;
    background-size: 100% 100%;
}
.content-center .content-try .content-try-box {
    width: 100%;
    height: 18.5625rem; /* 297px / 16px = 18.5625rem */
    margin: auto;
}
.content-center .content-try .content-try-box .try-box-font {
    width: 100%;
    height: 3.3125rem; /* 53px / 16px = 3.3125rem */
    font-size: 1.625rem; /* 26px / 16px = 1.625rem */
    font-weight: 400;
    color: #FFFFFF;
    line-height: 3.25rem; /* 52px / 16px = 3.25rem */
    text-align: center;
    padding-top: 5rem; /* 80px / 16px = 5rem */
}
.content-center .content-try .content-try-box .try-box-form {
    width: 81.25rem; /* 1300px / 16px = 81.25rem */
    height: 7.5rem; /* 120px / 16px = 7.5rem */
    margin: 5rem auto 21.875rem; /* 80px auto 350px / 16px */
}
.content-center .content-try .content-try-box .try-box-form .box-form-whites {
    width: 100%;
    height: 7.5rem; /* 120px / 16px = 7.5rem */
    display: flex;
}
.content-center .autocomplete {
    position: relative;
    display: inline-block;
    width: 34.4375rem; /* 551px / 16px = 34.4375rem */
    height: 3.75rem; /* 60px / 16px = 3.75rem */
}
.content-center .box-form-center {
    width: 36.25rem; /* 580px / 16px = 36.25rem */
    height: 4.375rem; /* 70px / 16px = 4.375rem */
    position: relative;
}