/* banner */
.framework_ark_banner {
    position: relative;
    width: 100%;
}

.banner_text_box {
    width: 100%;
    max-width: 1330px;
    margin: 0 auto;
    padding: 3rem 1rem;
    position: absolute;
    top: 50%;
    left: 50%;
    transform: translate(-50%, -50%);
    z-index: 10;
}

.banner_text_box .banner_logo {
    width: 10rem;
    margin-bottom: 1rem;
}

.banner_text_box .banner_text {
    max-width: 550px;
    margin-bottom: 3rem;
    color: #474747;
    font-size: 0.95rem;
    line-height: 1.8;
}

.banner_text_box .btn_login {
    padding: 0.625rem 1.5rem;
    background: linear-gradient(180deg, #1c60ff, #7628ff);
    color: #fff;
    border: none;
    font-weight: bold;
    border-radius: 0.375rem;
    font-size: 1rem;
    cursor: pointer;
}


.framework_ark_banner .img_box img {
    width: 100%;
    height: 435px;
    object-fit: cover;
}

@media (max-width:768px) {
    .framework_ark_banner .img_box img {
        height: 300px;
    }

    .banner_text_box .banner_text {
        font-size: 1rem;
    }
}

/* 产品介绍 */
.framework_ark_product {
    padding: 5rem 8rem;
}

.framework_title {
    text-align: center;
}

.framework_title h2 {
    font-size: 2rem;
    font-weight: bold;
    color: #000000;
}

.framework_title h2 span {
    background: linear-gradient(90deg, #165DFF 0%, #BC49FF 50%, #FF4977 100%);
    -webkit-background-clip: text;
    background-clip: text;
    color: transparent;
}

.framework_title p {
    margin-top: 0.85rem;
    font-size: 0.9rem;
    line-height: 1.8;
    color: #9E9E9E;
}

.framework_info {
    margin-top: 4rem;
    background: linear-gradient(90deg, #FEF7F6, #EBF5FF);
    padding: 4rem 6.5rem;
    border-radius: 10px;
    overflow: hidden;
}

.framework_info .framework_list {
    display: flex;
    justify-content: space-between;
    gap: 2rem;
    flex-wrap: wrap;
}

.framework_info .framework_list .framework_item {
    width: 29%;
    max-width: 375px;
    background-color: #ffffff;
    border-radius: 12px;
    position: relative;
}



.framework_item_info {
    display: flex;
    padding: 3.5rem 2.5rem;
    flex-direction: column;
    align-items: center;
    justify-content: center;
    background: url(/resource/image/AI-baijia/case_back-1.png) no-repeat top;
    background-size: cover;
}



.framework_info .framework_list .framework_item .imgs {
    width: 10rem;
    height: 10rem;
    text-align: center;
}

.framework_item_info h4 {
    width: 100%;
    padding: 10px 15px;
    background-color: #F5F5FF;
    border-radius: 5px;
    color: #6870FF;
    font-size: 1.3rem;
    text-align: center;
    font-weight: bold;
    margin-top: 4rem;
}

.framework_item_info p {
    font-size: 1.3rem;
    font-weight: bold;
    color: #333333;
    margin-top: 3rem;
}

.framework_item svg {
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    pointer-events: none;
    z-index: 1;
}

.framework_item:hover svg path {
    stroke-dashoffset: 0;
}

.framework_item svg path {
    stroke-dashoffset: 1000;
    stroke-dasharray: 1000;
}

.framework_item svg path {
    fill: none;
    stroke-width: 1px;
    stroke-linecap: round;
    stroke-linejoin: round;
    transition: stroke-dashoffset 2s cubic-bezier(0.25, 0.46, 0.45, 0.94);
}

.framework_item::before {
    content: '';
    position: absolute;
    inset: -2px;
    border-radius: inherit;
    padding: 2px;
    background: linear-gradient(135deg, #BC49FF, #165DFF);
    -webkit-mask: linear-gradient(#fff 0 0) content-box, linear-gradient(#fff 0 0);
    -webkit-mask-composite: xor;
    mask: linear-gradient(#fff 0 0) content-box, linear-gradient(#fff 0 0);
    mask-composite: exclude;
    opacity: 0;
    transition: opacity 0.4s ease;
    pointer-events: none;
    z-index: 0;
}

.framework_item:hover::before {
    opacity: 1;
}

.framework_item_info {
    position: relative;
    z-index: 1;
}


/* 三大核心优势 */

.framework_ark_advantage {
    padding: 5rem 8rem;
    background-color: #F5F8FF;
}

.advantage_list {
    padding: 0 6.5rem;
    margin-top: 4rem;
    display: flex;
    justify-content: space-between;
    gap: 2rem;
    flex-wrap: wrap;
}

.advantage_list .advantage_item {
    width: 29%;
    max-width: 375px;
    background: linear-gradient(180deg, #E5EDFF 0%, transparent 50%);
    border-radius: 5px;
    position: relative;
    padding: 2.5rem 2.5rem;
}

.advantage_list .advantage_item .img_box {
    width: 16rem;
    margin: 2rem auto 0;
}

.advantage_list .advantage_item h3 {
    color: #6C51FF;
    margin-bottom: 0.56rem;
    font-size: 1.2rem;
    font-weight: bold;
}

.advantage_list .advantage_item p {
    color: #333333;
    font-size: 0.95rem;
    font-weight: bold;
    line-height: 1.3rem;
}

.framework_ark_feature {
    padding: 5rem 8rem;
    background-color: #ffffff;
}

.feature_img {
    margin-top: 4rem;
    text-align: center;
}

.feature_img img{
    width: 71rem;
}

/* 展示样式 */
.framework_ark_style {
    padding: 5rem 8rem;
    background-color: #F5F8FF;
}

.ark_style_imgs {
    margin-top: 3rem;
}

.ark_style_fr .img_box {
    width: 21rem;
    margin-left: 3rem;
}

/* 转化组件 */
.framework_ark_component{
    padding: 5rem 8rem;
    background-color: #ffffff;
}


/* ========== 新增：响应式自适应（原有代码不修改，仅追加此处） ========== */

/* 平板适配 1200px 以下 */
@media (max-width: 1200px) {
    .framework_ark_product,
    .framework_ark_advantage,
    .framework_ark_feature,
    .framework_ark_style,
    .framework_ark_component {
        padding: 4rem 3rem;
    }
    .framework_info {
        padding: 3rem 3rem;
    }
    .advantage_list {
        padding: 0 2rem;
    }
    .framework_info .framework_list .framework_item,
    .advantage_list .advantage_item {
        width: 46%;
    }
    .ark_style_fr .img_box {
        width: 16rem;
        margin-left: 1rem;
    }
}

/* 小平板 992px 以下 */
@media (max-width: 992px) {
    .framework_ark_product,
    .framework_ark_advantage,
    .framework_ark_feature,
    .framework_ark_style,
    .framework_ark_component {
        padding: 3rem 2rem;
    }
    .framework_info {
        padding: 2.5rem 2rem;
    }
    .advantage_list {
        padding: 0;
    }
    .banner_text_box {
        padding: 2rem 1rem;
    }
    .banner_text_box .banner_logo {
        width: 8rem;
    }
    .framework_title h2 {
        font-size: 1.7rem;
    }
    .framework_item_info {
        padding: 2.5rem 1.5rem;
    }
    .framework_info .framework_list .framework_item .imgs {
        width: 8rem;
        height: 8rem;
    }
    .framework_item_info h4 {
        margin-top: 2.5rem;
        font-size: 1.15rem;
    }
    .framework_item_info p {
        margin-top: 2rem;
        font-size: 1.15rem;
    }
}

/* 手机端 768px 以下 */
@media (max-width: 768px) {
    .framework_ark_product,
    .framework_ark_advantage,
    .framework_ark_feature,
    .framework_ark_style,
    .framework_ark_component {
        padding: 2.5rem 1rem;
    }
    .framework_info {
        padding: 2rem 1rem;
        margin-top: 2.5rem;
    }
    .framework_info .framework_list .framework_item,
    .advantage_list .advantage_item {
        width: 100%;
        max-width: 100%;
    }
    .advantage_list {
        margin-top: 2.5rem;
    }
    .advantage_list .advantage_item {
        padding: 2.5rem 1.5rem;
    }
    .advantage_list .advantage_item .img_box {
        width: 12rem;
    }
    .framework_info .framework_list .framework_item .imgs {
        width: 7rem;
        height: 7rem;
    }
    .framework_item_info {
        padding: 2rem 1.5rem;
    }
    .framework_item_info h4 {
        margin-top: 2rem;
        font-size: 1.1rem;
    }
    .framework_item_info p {
        margin-top: 1.5rem;
        font-size: 1.1rem;
    }
    .advantage_list .advantage_item h3{
        font-size: 1.4rem;
    }
    .framework_title h2 {
        font-size: 1.6rem;
    }
    .framework_title p {
        font-size: 1rem;
    }
    /* banner 按钮竖排 */
    .banner_text_box a {
        display: block;
        width: 100%;
        margin-bottom: 0.8rem;
    }
    .banner_text_box a {
        margin-left: 0;
        display: inline-block;
        text-align: center;
        width: 100%;
    }
    /* 展示样式 & 转化组件 图片自适应 */
    .ark_style_imgs {
        margin-top: 2rem;
    }
    .ark_style_fr .img_box {
        width: 100%;
        margin-left: 0;
        margin-top: 1rem;
    }
    .ark_style_info .img_box{
        width: 80%;
        margin: 0 auto 1.6rem;
    }
    .ark_style_info .img_box img {
        width: 100%;
        height: auto;
    }
    .feature_img img {
        width: 100%;
        height: auto;
    }
}

/* 超小手机 480px 以下 */
@media (max-width: 480px) {
    .banner_text_box {
        padding: 1.5rem 0.8rem;
    }
    .banner_text_box .banner_logo {
        margin-bottom: 0.5rem;
    }
    .banner_text_box .banner_text {
        margin-bottom: 1.5rem;
        font-size: 1rem;
        line-height: 1.6;
    }
    .framework_ark_product,
    .framework_ark_advantage,
    .framework_ark_feature,
    .framework_ark_style,
    .framework_ark_component {
        padding: 2rem 0.8rem;
    }
    .framework_info {
        padding: 1.5rem 0.8rem;
    }
    .advantage_list .advantage_item {
        padding: 2rem 1rem;
    }
    .framework_item_info {
        padding: 1.5rem 1rem;
    }
    .framework_item_info h4 {
        font-size: 1.4rem;
        padding: 1rem 0.8rem;
    }
    .framework_item_info p {
        font-size: 1rem;
    }
}