/* 文件描述：ZStack ZSphere 虚拟化平台旧版落地页样式（复刻 zstack.io/product/zstack_zsphere） */
img {
    user-select: none;
}



.zstack-zsphere-page #container ul,
.zstack-zsphere-page #container li {
    list-style-type: none;
}

.zstack-zsphere-page #container div {
    box-sizing: border-box;
}

::selection {
    background-color: #007FDF;
    color: #fff;
}

::-webkit-selection {
    background-color: #007FDF;
    color: #fff;
}

::-moz-selection {
    background-color: #007FDF;
    color: #fff;
}

.company_intro {
    width: 100%;
    max-width: min(var(--container-max, 1440px), 100%);
    margin: 50px auto 0;
    padding: 0 var(--container-px, 24px);
    position: relative;
    height: auto;
    min-height: 0;
    box-sizing: border-box;
}

.company_intro .company_intro_content {
    width: 560px;
    padding-top: 170px;
    display: inline-block;
    position: absolute;
    left: 0;
}

.company_intro .company_intro_content p {
    font-size: 17px;
    color: #37475A;
    letter-spacing: 0;
    text-align: justify;
    line-height: 40px;
}

.company_intro .company_intro_img {
    position: absolute;
    right: 0;
    display: inline-block;
    max-width: 100%;
}

#container {
    width: 100%;
    max-width: 100%;
    overflow-x: clip;
}

.zstack-zsphere-page {
    overflow-x: clip;
}
.header_btn_collection {

    display: flex;
    flex-direction: row;
    justify-content: center;
    align-items: center;
}

.header_btn_collection .call {
    width: 218px;
    height: 40px;
    background: #FFFFFF;
    border-radius: 2px;
    display: flex;
    flex-direction: column;
    justify-content: center;
    align-items: center;
    transition: all .3s linear;
}

.header_btn_collection .call:hover {
    transform: translateY(-5px);
    cursor: pointer;
}

.header_btn_collection .call .btn_text {
    font-size: 16px;
    font-family: PingFangSC-Regular, PingFang SC;
    font-weight: 400;
    color: #007FDF;
    line-height: 32px;
}
.header_title_100{
    display: flex;
    justify-content: space-between;
    align-items: flex-start;
    gap: 16px;
    width: 100%;
}
.header_btn_collection .download {
    width: 128px;
    height: 40px;
    border-radius: 2px;
    border: 1px solid #FFFFFF;
    display: flex;
    flex-direction: column;
    justify-content: center;
    align-items: center;
}
#header {
    width: 100%;
    background: url('/static/skin/images/product/zsphere-legacy/topbanner.svg') center center no-repeat ;
    background-size:cover;
    position: relative;
    padding-top: calc(var(--nav-height, 64px) + 48px);
    padding-bottom: clamp(32px, calc(100vw * 48 / 1440), 48px);
    box-sizing: border-box;
    display: flex;
    justify-content: center;
    align-items: center;
}

#header.en {
    background-size: auto;
    height: 470px;
}

#header .vir_header {
    display: flex;
    justify-content: space-between;
    align-items: center;
    gap: clamp(24px, calc(100vw * 40 / 1440), 40px);
    width: 100%;
    max-width: min(var(--container-max, 1440px), 100%);
    min-width: 0;
    margin-left: auto;
    margin-right: auto;
    padding-left: var(--container-px, 24px);
    padding-right: var(--container-px, 24px);
    box-sizing: border-box;
}

.header_title_wrap_left {
    flex: 1 1 0;
    min-width: 0;
    padding: 0;
    color: var(--on-surface-variant);
}

.header_title_wrap_right {
    flex: 0 1 auto;
    width: clamp(240px, 33.333vw, 480px);
    max-width: 100%;
    height: auto;
    aspect-ratio: 480 / 266;
}
.header_title_wrap_left .header_title_2 {
    font-family: PingFangSC, PingFang SC;
    font-weight: 400;
    font-size: var(--fs-16, 16px);
    line-height: 1.75;
    text-align: left;
    font-style: normal;
}

.zstack-zsphere-page #header .hero-btns {
    margin-top: clamp(20px, calc(100vw * 32 / 1440), 32px);
}

.header_title_wrap_left .header_title_2:last-of-type {
    margin-bottom: clamp(16px, calc(100vw * 24 / 1440), 24px);
}

/* Banner 按钮 — 对齐首页 hero-btns */
.zstack-zsphere-page #header .hero-btns {
    display: flex;
    align-items: center;
    gap: clamp(12px, calc(100vw * 16 / 1440), 16px);
    flex-wrap: wrap;
}

.zstack-zsphere-page #header .hero-btns .btn-primary,
.zstack-zsphere-page #header .hero-btns .btn-secondary {
    box-sizing: border-box;
    min-width: clamp(120px, calc(100vw * 150 / 1440), 150px);
    height: var(--hero-btn-height, clamp(45px, calc(100vw * 46 / 1440), 46px));
    padding: 0 clamp(16px, calc(100vw * 24 / 1440), 24px);
    font-size: var(--fs-20, 20px);
    font-weight: 500;
    border-radius: var(--r8, 8px);
    display: inline-flex;
    align-items: center;
    justify-content: center;
    gap: clamp(5px, calc(100vw * 7 / 1440), 7px);
    transition: all 0.2s;
    line-height: 1;
    text-decoration: none;
    white-space: normal;
    text-align: center;
}

.zstack-zsphere-page #header .hero-btns .btn-primary {
    --hero-btn-icon: min(30px, calc(var(--hero-btn-height, 46px) * 0.75));
    background: #fff;
    color: var(--primary, #00579c);
    border: 1px solid #fff;
}

.zstack-zsphere-page #header .hero-btns .btn-primary .svg_span {
    width: var(--hero-btn-icon);
    height: var(--hero-btn-icon);
    flex-shrink: 0;
    display: flex;
    align-items: center;
    justify-content: center;
    background: var(--primary, #00579c);
    border-radius: 50%;
    color: #fff;
    border: 1px solid var(--primary, #00579c);
}

.zstack-zsphere-page #header .hero-btns .btn-primary .svg_span svg {
    width: 55%;
    height: 55%;
    transform: rotate(-35deg);
}

.zstack-zsphere-page #header .hero-btns .btn-primary:hover {
    background: rgba(255, 255, 255, 0.92);
    box-shadow: 0 4px 16px rgba(0, 0, 0, 0.12);
}

.zstack-zsphere-page #header .hero-btns .btn-secondary {
    background: rgba(255, 255, 255, 0.2);
    color: #fff;
    border: 1px solid rgba(255, 255, 255, 0.8);
}

.zstack-zsphere-page #header .hero-btns .btn-secondary:hover {
    background: rgba(255, 255, 255, 0.3);
}

.header_title_wrap {
    width: 100%;
    max-width: min(var(--container-max, 1440px), 100%);
    margin-left: auto;
    margin-right: auto;
    box-sizing: border-box;
}

.header_title {
    font-family: PingFangSC, PingFang SC;
    font-weight: 700;
    font-size: var(--fs-hero-title);
    line-height: 1.15;
    letter-spacing: -0.02em;
    text-align: left;
    font-style: normal;
    margin-bottom: clamp(25px, calc(100vw * 36 / 1440), 36px);
    color: var(--on-surface);
}

.header_box {
    background-color: #0092E4;
    position: -webkit-sticky;
    position: sticky;
    top: var(--nav-height, 64px);
    z-index: 10;
}

.header_box .header_box_split {
    width: 100%;
    height: 5px;
    background: linear-gradient(270deg, #0085F4 0%, #03BFFF 47%, #0080E6 100%);
}

.header_box_nav {
    margin: 0 auto;
    width: 100%;
    background: #ffffff;
    overflow-x: auto;
    -webkit-overflow-scrolling: touch;
}

.header_box_nav .nav_container {
    width: 100%;
    max-width: min(var(--container-max, 1440px), 100%);
    min-width: 0;    display: flex;
    margin: 0 auto;
    justify-content: space-around;
    align-items: center;
    padding: 0 var(--container-px, 24px);
    box-sizing: border-box;
}

.header_box_nav .nav_container .header_box_nav_item {
    height: 58px;
    font-size: var(--fs-16);
    font-weight: 500;
    color: var( --primary-dec);
    text-align: center;
    padding: 0 18px;
    text-decoration: none;
    display: flex;
    align-items: center;
    position: relative; /* 选中下划线定位 */
    background: transparent;
    border-bottom: 2px solid transparent;
    box-sizing: border-box;
}

.header_box_nav .nav_container .header_box_nav_item:hover {
    cursor: pointer;
    color: var(--primary);
}

/* 选中态：下划线，不再用实心底色块 */
.header_box_nav .nav_container .header_box_nav_item.is-active,
.zstack-zsphere-page #container .header_box_nav .nav_container .header_box_nav_item.is-active {
    cursor: pointer;
    background: transparent;
    color: var(--primary);
    border-bottom-color: var(--primary);
}

/* .header_box_nav .nav_container .header_box_nav_item:nth-child(1) {
    background: #0085D4;

} */

.middle .why_choice_container {
    background: linear-gradient(180deg, #F2FAFF 0%, #F3FAFF 61%, #FFFFFF 100%);

}



.vir_body {
    display: flex;
    justify-content: center;
    max-width: 100%;
    overflow-x: clip;
}

.ok {
    background: var(--slate-50);
    padding-bottom: 90px;

}

.vir_body .body_container {
    width: 100%;
    max-width: min(var(--container-max, 1440px), 100%);
    min-width: 0;
    padding-left: var(--container-px, 24px);
    padding-right: var(--container-px, 24px);
    box-sizing: border-box;
}


.vir_body .body_container .body-1 {
    text-align: center;
}

.vir_body .body_container .body-1 .body-1-title {
    /* width: 871px; */
    height: 50px;
    font-size: var(--fs-stat);
    font-weight:700;
    color: var( --on-surface);
    line-height: 50px;
    margin-top: 117px;
}

.vir_body .body_container .body-1 .body-1-container {
    margin-top: 77px;
    display: grid;
    grid-template-columns: repeat(4, 1fr);
    gap: clamp(16px, calc(100vw * 24 / 1440), 24px);
}

.vir-body-1-box-img {
    width: 58px;
    height: 58px;
  
}
.vir-body-1-box-img img{
    width: 100%;
    height: 100%;
    object-fit: contain;
}
.zsphereColor{
    /* height: 38px; */
    width: fit-content;
    background-color: white;
    border-radius: 2px;
    text-align: center;
    /* line-height: 38px; */
    color: #007FDF;
    font-size: 16px;
    padding: 10px;
    display: block;
    margin-top:20px;
    margin: 20px auto;
    margin-left: 0px;
    cursor: pointer;
    margin-right: unset;
}



.vir_body .body_container .body-1 .body-1-container .body-1-box {
    width: 100%;
    height: 348px;
    background: linear-gradient(139deg, #f8fafc 14%, #f7fafc00 89%), #FFFFFF;
    border-radius: var(--r8);
    display: flex;
    flex-direction: column;
    align-items: center;
    justify-content: flex-start;
    /* color: #1A2736; */
    padding-top: 40px;
    padding-bottom: 40px;
    transition: all .3s linear;
    box-sizing: border-box;
}

.vir_body .body_container .body-1 .body-1-container .body-1-box:hover {
    transform: translateY(-8px);
    background: linear-gradient(218deg, #023d73 3%, #02569b 66%, #014a86 98%), #F6FAFF;

    /* color: white; */

}

.vir_big_bac2 {
    background-image: none;
}

.vir_select_left {
    width: 100%;
    min-width: 0;
    border-radius: var(--r8);
    background: linear-gradient(217deg, #023d73 3%, #02569b 66%, #014a86 97%), #023d73;
    display: flex;
    flex-direction: column;
    gap: 4px;
    align-self: stretch;
}

.vir_select_left_items {
    display: flex;
    align-items: center;
    gap: 10px;
    width: 100%;
    min-height: 52px;
    padding: 12px 14px;
    font-size: var(--fs-18);
    font-family: PingFangSC, PingFang SC;
    font-weight: 500;
    color: rgba(255, 255, 255, 0.72);
    cursor: pointer;
    text-align: left;
    line-height: 1.4;
    margin-bottom: 0;
    border-radius: var(--r8);
    box-sizing: border-box;
    transition: background-color 0.25s ease, color 0.25s ease;
}

.vir_select_left_items::before {
    content: "";
    flex-shrink: 0;
    width: 22px;
    height: 22px;
    border-radius: 50%;
    border: 1.5px solid rgba(255, 255, 255, 0.35);
    background: rgba(255, 255, 255, 0.06) center / 11px no-repeat;
    background-image: url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' viewBox='0 0 12 12' fill='none'%3E%3Cpath d='M2.5 6l2.5 2.5 5-5' stroke='rgba(255,255,255,0.45)' stroke-width='1.5' stroke-linecap='round' stroke-linejoin='round'/%3E%3C/svg%3E");
}

.vir_select_hover {
    background: rgba(255, 255, 255, 0.12);
    color: #ffffff;
}

.vir_select_hover::before {
    border-color: rgba(255, 255, 255, 0.9);
    background-color: rgba(255, 255, 255, 0.22);
    background-image: url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' viewBox='0 0 12 12' fill='none'%3E%3Cpath d='M2.5 6l2.5 2.5 5-5' stroke='%23ffffff' stroke-width='1.5' stroke-linecap='round' stroke-linejoin='round'/%3E%3C/svg%3E");
}

.vir_select_hover:after {
    display: none;
}

.vir_select_right {
    width: 100%;
    min-width: 0;
    min-height: 420px;
    background-color: #ffffff;
    border: 1px solid var(--slate-200);
    border-radius: var(--r8);
    background-image:
        linear-gradient(rgba(0, 87, 156, 0.04) 1px, transparent 1px),
        linear-gradient(90deg, rgba(0, 87, 156, 0.04) 1px, transparent 1px),
        url('/static/skin/images/product/zsphere-legacy/bg-r-repeat.svg');
    background-size: 32px 32px, 32px 32px, 100% auto;
    background-position: 0 0, 0 0, center bottom;
    background-repeat: repeat, repeat, no-repeat;
    display: flex;
    align-items: flex-start;
    justify-content: flex-start;
    transition: all 0.3s linear;
    box-shadow: var(--shadow-sm);
}

.vir_select_right_container {
    width: 100%;
    display: none;
}

.vir_select_right_container_show {
    display: block;
}

.vir_select_right .vir_select_right_title {
    height: auto;
    font-size: var(--fs-24);
    font-family: PingFangSC, PingFang SC;
    font-weight: 700;
    color: var(--on-surface);
    line-height: 1.45;
    margin-bottom: 28px;
}

.vir_select_right_container_items {
    margin-bottom: 20px;
}

.vir_select_right_container_items_title {
    font-size: var(--fs-18);
    font-family: PingFangSC, PingFang SC;
    font-weight: 600;
    color: var(--primary);
    margin-bottom: 8px;
    line-height: 1.5;
}

.vir_select_right_container_items_value {
    font-size: var(--fs-14);
    font-family: PingFangSC, PingFang SC;
    font-weight: 400;
    color: var(--on-surface-variant);
    line-height: 1.75;
}

.vir_body .body_container .body-1 .body-1-container .body-1-box:hover .vir-body-1-box-title {
    color: white;


}

.vir_body .body_container .body-1 .body-1-container .body-1-box:hover .vir-body-1-box-txt {
    color: white;


}

.vir-body-1-box-title {

    height: 33px;
    font-size: 24px;
    font-family: PingFangSC, PingFang SC;
    font-weight: 500;
    color: #1A2736;
    line-height: 33px;
    margin: 30px 0 ;
}

.vir-body-1-box-txt {
    width: 79%;
    text-align: left;
    height: 140px;
    font-size: 14px;
    font-family: PingFangSC, PingFang SC;
    font-weight: 400;
    color: var( --primary-dec);
    line-height: 27px;
}


.vir_body .body_container .body-2 {
    text-align: center;
    margin-bottom: 139px;
}

.vir_body .body_container .body-2 .body-2-title {

    font-size: var(--fs-stat);
    font-weight:700;
    color: var( --on-surface);
    /* line-height: 50px; */
    margin-top: 95px;
}

.vir_body .body_container .body-2 .body-2-title-2 {
    /* width: 1080px; */
    height: 81px;
    font-size: var(--fs-14);
    font-weight: 400;
    color: var(--on-surface-variant);
    /* line-height: 27px; */
    margin-top: 20px;
    padding-left: 17px;
    padding-right: 30px;
}

.vir_body .body_container .body-2 .body-2-img {
    /* width:100%; */
    height: 476px;
    background-image: url('/static/skin/images/product/zsphere-legacy/vir_bac_1.png');
    /* 鏇挎崲 'your-image-url.jpg' 涓轰綘鐨勫浘鐗囪矾寰?*/
    background-size: 100% auto;
    /* 鎺у埗鍥剧墖灏哄锛宑over琛ㄧず灏介噺濉弧瀹瑰櫒 */
    background-position: center;
    /* 鎺у埗鍥剧墖鍦ㄥ鍣ㄤ腑鐨勪綅缃紝center琛ㄧず灞呬腑 */
    background-repeat: no-repeat;
    /* 绂佹鍥剧墖骞抽摵閲嶅 */
}

.body_bigbox {
    width: 100%;
    max-width: 100%;
    overflow-x: clip;
    display: flex;
    flex-direction: column;
    align-items: center;
    justify-content: flex-start;
}

.body_bigbox > .body_bigbox {
    width: 100%;
    flex: none;
}

.bigbox_default {
    /* height: 791px; */

}

.bigbox_default .body_bigbox_container .body_bigbox_container_title {
    /* width: 818px; */
    width: 100%;
    height: 50px;
    font-size: var(--fs-stat);
    font-weight: 700;
    color: var(--on-surface);
    line-height: 50px;
    margin: 62px 0;
    text-align: center;
}

.body_bigbox .body_bigbox_container .body_bigbox_container_body {
    display: flex;
    width: 100%;
    max-width: 100%;
    min-width: 0;
    overflow-x: clip;
    justify-content: space-between;
    flex-wrap: wrap;
    align-items: center;
    margin-bottom: 50px;
    margin-top:50px;
    gap: 0 40px;
}

.body_bigbox_container_body_item {
    min-width: 0;
    max-width: 100%;
}

.spec_big {
    min-width: 0;
    max-width: 100%;
    position: relative;
    flex:1
}


.spec_small {
    width: 30%;
    min-width: 0;
    max-width: 100%;
    flex:1;
    display: flex;
    align-items: center;
    justify-content: center;
}

.spec_small img{
    width: 70%;
    height: 70%;
    object-fit: contain;
}

/* 高性能：左文右图各占一半 */
.body_bigbox_container_body--half {
    flex-wrap: nowrap;
    align-items: center;
    gap: clamp(20px, calc(100vw * 40 / 1440), 40px);
    margin-top: 52px;
    margin-bottom: 52px;
}

.body_bigbox_container_body--half > .body_bigbox_container_body_item.spec_big,
.body_bigbox_container_body--half > .body_bigbox_container_body_item.spec_small {
    flex: 1 1 0;
    width: 50%;
    max-width: 50%;
}

.body_bigbox_container_body--half > .body_bigbox_container_body_item.spec_small {
    height: auto;
    display: flex;
    align-items: center;
    justify-content: center;
    padding-top: 80px;
}

.body_bigbox_container_body--half > .body_bigbox_container_body_item.spec_small img {
    width: 100%;
    max-width: 100%;
    height: auto;
    display: block;
}


.vir_spec_img_select {
    height: 272px;
    background-size: 100% 100%;
    width: 100%;
    max-width: 100%;
    transform: none;
}



.body_bigbox .body_bigbox_container {
    width: 100%;
    max-width: min(var(--container-max, 1440px), 100%);
    min-width: 0;
    margin-left: auto;
    margin-right: auto;
    padding-left: var(--container-px, 24px);
    padding-right: var(--container-px, 24px);
    box-sizing: border-box;
    display: flex;
    flex-direction: column;
    align-items: stretch;
}

.body_bigbox_gray{
    background:  var(--slate-50);
}

.body_bigbox_blue {
    background: linear-gradient(90deg, var(--slate-50) 0%, #ffffff 100%);
}

.body_bigbox_container_body_item_title1 {
    width: 100%;
    /* height: 50px; */
    font-size: 36px;
    font-family: PingFangSC, PingFang SC;
    font-weight: 500;
    color: var(--on-surface);
    line-height: 50px;
}

.body_bigbox_container_body_item_title2 {
    /* width: 470px; */
    /* height: 33px; */
    font-size: 24px;
    font-family: PingFangSC, PingFang SC;
    font-weight: 500;
    color: var(--primary-dec);
    line-height: 33px;
    margin: 20px 0 40px;
}



.body_bigbox_container_body_item_span {
    width: 100%;
    display: flex;
    flex-direction: column;
}

.body_bigbox_container_body_item_span_title {
    width: 100px;
    float: auto;
    /* height: 27px; */
    font-size: 16px;
    font-family: PingFangSC, PingFang SC;
    font-weight: 500;
    color: #008CF7;
    line-height: 27px;
    text-align: left;
}

.body_bigbox_container_body_item_span_box {
    display: flex;
    margin-bottom: 16px;
}

.body_bigbox_container_body_item_span_label {
    width: auto;
    max-width: 100%;
    flex: 1;
    min-width: 0;
    /* height: 54px; */
    font-size: 14px;
    font-family: PingFangSC, PingFang SC;
    font-weight: 400;
    color: var(--on-surface);
    line-height: 27px;
}

.spec_title {
    text-align: right;
    transform: none;
    width: auto;
    max-width: 100%;
}

.spec_bable {
    transform: none;
}


.spec_title2 {
    text-align: right;
    transform: none;
    width: auto;
    max-width: 100%;
}

.spec_bable2 {
    transform: none;
}

.body_bigbox_container_body_items {
    padding-top: 19px;
    padding-bottom: 19px;
    padding-left: 20px;
    padding-right: 12px;
    transform: none;
    margin-bottom: 10px;
    max-width: 100%;
    box-sizing: border-box;
    cursor: pointer;
    background: #FFFFFF;
    box-sizing: border-box;
    border-width: 0px 0px 0px 4px;
    border-style: solid;
    border-color: var(--primary) ;
    transition: all .3s linear
}

 
.body_bigbox_container_body_items_value {
    /* width: 393px; */
    /* height: 87px; */
    font-size: 14px;
    font-family: PingFangSC, PingFang SC;
    font-weight: 400;
    color: var(--on-surface);
    line-height: 27px;
    margin-top: 12px;
}

.body_bigbox_container_body_items_title {

    height: 27px;
    font-size: var(--fs-16);
    font-family: PingFangSC, PingFang SC;
    font-weight: 600;
    color: var(--primary);
    line-height: 27px;
}

 

.vir_bottom_tip {
    width: 100%;
    text-align: right;
    /* height: 17px; */
    font-size: 12px;
    font-family: PingFangSC, PingFang SC;
    font-weight: 400;
    margin-top: 59px;
    color: #5B697A;
    text-wrap: wrap;
    word-wrap: break-word;
    line-height: 17px;
}
.download {
    width: 100%;
    height: 180px;
    background: #002847;
    position: relative;
    text-align: center;
}

.download_card {
    width: calc(100% - 2 * var(--container-px, 24px));
    max-width: 800px;
    height: 280px;
    background: url("/static/skin/images/product/zsphere-legacy/selection/product_bg.svg") no-repeat;
    border-radius: 6px;
    position: absolute;
    top: -140px;
    left: 0;
    right: 0;
    margin: 0 auto;
}

.download_card p {
    font-size: 24px;
    color: #ffffff;
    letter-spacing: 0;
    text-align: center;
    line-height: 40px;
    margin-top: 76px;
    padding: 0 40px;
}

.download_btn {
    box-sizing: border-box;
    width: 180px;
    height: 56px;
    border: 1px solid #ffffff;
    border-radius: 4px;
    display: inline-block;
    text-decoration: none;
    font-size: 20px;
    color: #ffffff;
    line-height: 56px;
    /* margin-top: 32px; */
    transition: all 0.3s linear;
}

.download_btn:hover {
    /* background: rgba(255, 255, 255, 0.1); */
    box-shadow: 0 3px 10px 0 rgba(94, 105, 120, 0.14);
    transform: translateY(-2px);
}
.zstack-zsphere-page #container .vir_big_bac2 .body_bigbox_container_body {
    display: grid;
    grid-template-columns: 1fr 3fr;
    gap: 12px 24px;
    align-items: stretch;
    margin-top: 0;
    margin-bottom: clamp(48px, calc(100vw * 80 / 1440), 80px);
}

.zstack-zsphere-page #container .vir_big_bac2 .vir_select_left {
    padding: clamp(28px, calc(100vw * 40 / 1440), 40px) clamp(16px, calc(100vw * 30 / 1440), 30px);
    box-sizing: border-box;
}

.zstack-zsphere-page #container .vir_big_bac2 .vir_select_right {
    padding: clamp(32px, calc(100vw * 48 / 1440), 48px) clamp(24px, calc(100vw * 40 / 1440), 40px);
    box-sizing: border-box;
}
@media screen and (max-width: 1290px) {
    .zstack-zsphere-page #container .header_title,
    .zstack-zsphere-page #container .header_title_wrap_left .header_title_2 {
        text-align: center;
    }

    .zstack-zsphere-page #container #header .vir_header {
        flex-direction: column;
        align-items: center;
    }

    .zstack-zsphere-page #container .header_title_wrap_left {
        max-width: 100%;
        display: flex;
        flex-direction: column;
        align-items: center;
    }

    .zstack-zsphere-page #container .header_title_wrap_right {
        width: min(100%, 480px);
    }

    .zstack-zsphere-page #container #header .hero-btns {
        justify-content: center;
    }
}

@media screen and (max-width: 1180px) {
    .zstack-zsphere-page #container .vir_body .body_container .body-1 .body-1-container {
        grid-template-columns: repeat(2, 1fr);
        gap: 16px;
    }

    .zstack-zsphere-page #container .vir_body .body_container .body-1 .body-1-container .body-1-box {
        width: 100%;
        max-width: none;
    }

    .zstack-zsphere-page #container .body_bigbox_container_body {
        flex-direction: column;
        gap: 16px;
        margin-top: 20px;
        margin-bottom: 28px;
    }

    .zstack-zsphere-page #container .body_bigbox_container_body .body_bigbox_container_body_item.spec_big {
        order: 1;
        width: 100%;
        max-width: 100%;
        flex: none;
    }

    .zstack-zsphere-page #container .body_bigbox_container_body .body_bigbox_container_body_item.spec_small {
        order: 2;
        width: 100%;
        max-width: 100%;
        flex: none;
        height: auto;
    }

    .zstack-zsphere-page #container .body_bigbox_container_body .spec_small img {
        width: 100%;
        height: auto;
        max-width: 100%;
        object-fit: contain;
    }

    .zstack-zsphere-page #container .body_bigbox_container_body--half {
        flex-wrap: wrap;
        margin-top: 20px;
        margin-bottom: 28px;
    }

    .zstack-zsphere-page #container .body_bigbox_container_body--half > .body_bigbox_container_body_item.spec_big,
    .zstack-zsphere-page #container .body_bigbox_container_body--half > .body_bigbox_container_body_item.spec_small {
        width: 100%;
        max-width: 100%;
        flex: none;
        padding-top: 0;
    }

    .zstack-zsphere-page #container .body_bigbox_container_body--half > .body_bigbox_container_body_item.spec_big {
        order: 1;
    }

    .zstack-zsphere-page #container .body_bigbox_container_body--half > .body_bigbox_container_body_item.spec_small {
        order: 2;
    }

    .zstack-zsphere-page #container .vir_big_bac2 .body_bigbox_container_body {
        grid-template-columns: 1fr;
        gap: 12px;
        min-width: 0;
        overflow: visible;
    }

    .zstack-zsphere-page #container .vir_big_bac2 .vir_select_left {
        padding: 12px;
        min-width: 0;
        max-width: 100%;
    }

    .zstack-zsphere-page #container .vir_select_left {
        width: 100%;
        max-width: 100%;
        min-width: 0;
        overflow: visible;
        flex-direction: column;
        flex-wrap: nowrap;
        gap: 4px;
        padding: 12px;
        box-sizing: border-box;
    }

    .zstack-zsphere-page #container .vir_select_left_items {
        width: 100%;
        flex-shrink: 0;
        min-height: 44px;
        padding: 10px 12px;
        margin-bottom: 0;
        font-size: var(--fs-14);
        white-space: normal;
        line-height: 1.4;
    }

    .zstack-zsphere-page #container .vir_select_right {
        width: 100%;
        min-height: auto;
        padding: 32px var(--container-px, 24px);
        height: auto;
    }

    .zstack-zsphere-page #container .vir_select_hover:after {
        display: none;
    }

    .zstack-zsphere-page #container .spec_big,
    .zstack-zsphere-page #container .spec_small {
        width: 100%;
    }

    .zstack-zsphere-page #container .bigbox_default .body_bigbox_container .body_bigbox_container_title {
        margin: 28px 0 12px;
    }

    .zstack-zsphere-page #container .vir_spec_img_select {
        width: 100%;
        transform: none;
        height: auto;
        min-height: 200px;
    }
}

@media screen and (max-width: 980px) {
    .zstack-zsphere-page #container .download_card {
        position: relative;
        top: 0;
        width: 100%;
        height: auto;
        padding: 28px 20px;
        background-size: cover;
    }

    .zstack-zsphere-page #container .download_card p {
        margin-top: 0;
        padding: 0;
    }
}

@media screen and (max-width: 768px) {
    .zstack-zsphere-page {
        overflow-x: hidden;
    }

    /* Banner */
    .zstack-zsphere-page #container #header {
        padding-top: calc(var(--nav-height, 64px) + 16px);
        padding-bottom: 28px;
        background-size: cover;
        align-items: flex-start;
    }

    .zstack-zsphere-page #container #header .vir_header {
        transform: none;
        align-items: stretch;
        gap: 20px;
    }

    .zstack-zsphere-page #container .header_title_wrap_left .header_title_2 {
        font-size: var(--fs-16, 16px);
        line-height: 1.65;
        margin-bottom: 10px;
    }

    .zstack-zsphere-page #container .header_title_wrap_left .header_title_2:last-of-type {
        margin-bottom: 16px;
    }

    .zstack-zsphere-page #container .header_title_wrap_right {
        width: 100%;
    }

    .zstack-zsphere-page #container #header .hero-btns {
        width: 100%;
        justify-content: center;
        margin-top: 4px;
        gap: 8px;
    }

    .zstack-zsphere-page #container #header .hero-btns .btn-primary,
    .zstack-zsphere-page #container #header .hero-btns .btn-secondary {
        width: 100%;
        max-width: 300px;
        min-width: 0;
        height: auto;
        min-height: 42px;
        padding: 10px 16px;
        font-size: var(--fs-14, 14px);
    }

    .zstack-zsphere-page #container #header .hero-btns .btn-primary {
        --hero-btn-icon: 22px;
    }

    /* 锚点导航 */
    .zstack-zsphere-page #container .header_box_nav .nav_container {
        justify-content: flex-start;
        gap: 4px;
        padding: 0 var(--container-px, 16px);
    }

    .zstack-zsphere-page #container .header_box_nav .nav_container .header_box_nav_item {
        flex: 0 0 auto;
        font-size: 14px;
        padding: 0 10px;
        height: 48px;
        line-height: 48px;
    }

    /* 正文区块 */
    .zstack-zsphere-page #container #advantages.ok {
        padding-bottom: 32px;
    }

    .zstack-zsphere-page #container .vir_body .body_container {
        padding-left: var(--container-px, 16px);
        padding-right: var(--container-px, 16px);
    }

    .zstack-zsphere-page #container .vir_body .body_container .body-1 .body-1-title {
        margin-top: 24px;
        height: auto;
        font-size: var(--fs-section-title, 22px);
        line-height: 1.35;
    }

    .zstack-zsphere-page #container .vir_body .body_container .body-1 .body-1-container {
        margin-top: 16px;
        grid-template-columns: repeat(2, 1fr);
        gap: 10px;
    }

    .zstack-zsphere-page #container .vir_body .body_container .body-1 .body-1-container .body-1-box {
        width: 100%;
        max-width: 100%;
        height: auto;
        min-height: 0;
        margin-bottom: 0;
        padding: 16px 10px 12px;
    }

    .zstack-zsphere-page #container .vir-body-1-box-title {
        margin: 16px 0;
        font-size: 16px;
        line-height: 1.35;
        height: auto;
    }

    .zstack-zsphere-page #container .vir-body-1-box-txt {
        width: 100%;
        height: auto;
        font-size: 12px;
        line-height: 1.6;
    }

    .zstack-zsphere-page #container .vir-body-1-box-img {
        width: 44px;
        height: 44px;
    }

    .zstack-zsphere-page #container .vir_body .body_container .body-2 {
        margin-bottom: 24px;
    }

    .zstack-zsphere-page #container .vir_body .body_container .body-2 .body-2-title {
        margin-top: 20px;
        font-size: var(--fs-section-title, 22px);
    }

    .zstack-zsphere-page #container .vir_body .body_container .body-2 .body-2-title-2 {
        height: auto;
        margin-top: 10px;
        padding: 0;
        font-size: var(--fs-14);
    }

    .zstack-zsphere-page #container .bigbox_default .body_bigbox_container .body_bigbox_container_title {
        margin: 24px 0 12px;
        height: auto;
        font-size: var(--fs-section-title, 22px);
        line-height: 1.35;
        text-align: center;
    }

    .zstack-zsphere-page #container .body_bigbox .body_bigbox_container {
        padding-left: var(--container-px, 16px);
        padding-right: var(--container-px, 16px);
    }

    .zstack-zsphere-page #container .body_bigbox .body_bigbox_container .body_bigbox_container_body {
        margin-top: 12px;
        margin-bottom: 20px;
        gap: 12px;
    }

    .zstack-zsphere-page #container .body_bigbox_container_body_item_title1 {
        margin-top: 0;
        margin-left: 0;
        font-size: 20px;
        line-height: 1.35;
        text-align: left;
    }

    .zstack-zsphere-page #container .body_bigbox_container_body_item_title2 {
        font-size: 16px;
        margin: 12px 0 16px;
    }

    .zstack-zsphere-page #container .body_bigbox_container_body_item_span_label {
        width: auto;
        flex: 1;
        font-size: var(--fs-14);
        line-height: 1.65;
    }

    .zstack-zsphere-page #container .body_bigbox_container_body_items {
        padding: 12px;
        transform: none;
        margin-bottom: 8px;
    }

    .zstack-zsphere-page #container .spec_title,
    .zstack-zsphere-page #container .spec_bable,
    .zstack-zsphere-page #container .spec_title2,
    .zstack-zsphere-page #container .spec_bable2 {
        transform: none;
        text-align: left;
        width: auto;
    }

    .zstack-zsphere-page #container .vir_select_left {
        padding: 10px 12px;
    }

    .zstack-zsphere-page #container .vir_select_left_items {
        min-height: 40px;
        padding: 8px 10px;
        font-size: 13px;
    }

    .zstack-zsphere-page #container .vir_select_right {
        padding: 20px var(--container-px, 16px);
    }

    .zstack-zsphere-page #container .vir_select_right .vir_select_right_title {
        height: auto;
        font-size: 20px;
        line-height: 1.4;
        margin-bottom: 16px;
    }

    .zstack-zsphere-page #container .vir_select_right_container {
        width: 100%;
    }

    .zstack-zsphere-page #container .vir_bottom_bac {
        height: clamp(160px, 45vw, 240px);
        background-size: cover;
    }

    .zstack-zsphere-page #container .vir_bottom_tip {
        margin-top: 16px;
        padding-bottom: 8px;
        text-align: left;
        font-size: 11px;
        line-height: 1.5;
    }

    .zstack-zsphere-page #container .download {
        height: auto;
        padding: 32px var(--container-px, 16px);
    }

    .zstack-zsphere-page #container .company_intro {
        width: 100%;
        height: auto;
        margin-top: 24px;
        padding: 0 var(--container-px, 16px) 32px;
    }

    .zstack-zsphere-page #container .vir_big_bac2 {
        background-image: none;
    }



    .zstack-zsphere-page #container .spec_img4,
    .zstack-zsphere-page #container .spec_img5,
    .zstack-zsphere-page #container .spec_img1,
    .zstack-zsphere-page #container .spec_img2,
    .zstack-zsphere-page #container .spec_img3 {
        width: 100%;
        height: auto;
    }

    .zstack-zsphere-page #container .body_bigbox_container_body_item_span_box {
        flex-direction: column;
        align-items: flex-start;
        gap: 4px;
        margin-bottom: 10px;
    }

    .zstack-zsphere-page #container .body_bigbox_container_body_item_span_title {
        width: auto;
    }

    .zstack-zsphere-page #container .vir_body .body_container .body-1 .body-1-container .body-1-box:hover {
        transform: none;
    }
}

@media screen and (max-width: 480px) {
    .zstack-zsphere-page #container .header_box_nav .nav_container .header_box_nav_item {
        font-size: 13px;
        padding: 0 8px;
    }

    .zstack-zsphere-page #container .vir_select_left_items {
        font-size: 13px;
        padding: 8px 10px;
    }
}

.zstack-zsphere-page #container #advantages,
.zstack-zsphere-page #container #introduce,
.zstack-zsphere-page #container #characteristic,
.zstack-zsphere-page #container #scenes,
.zstack-zsphere-page #container #cases {
    scroll-margin-top: calc(var(--nav-height, 64px) + 66px);
}

/* ── CTA 咨询（复用 lists_single_hci.htm 同款） ── */
.zstack-zsphere-page .hci-cta {
    background: linear-gradient(180deg, #639ce10f 0%, #639ce104 60%, #639ce100 100%), #ffffff;
}

.zstack-zsphere-page .hci-cta-inner {
    display: grid;
    grid-template-columns: 1fr 1.05fr;
    gap: clamp(32px, calc(100vw * 56 / 1440), 56px);
    align-items: start;
}

.zstack-zsphere-page .hci-cta-title {
    font-size: clamp(24px, calc(100vw * 36 / 1440), 36px);
    font-weight: 700;
    color: #181c22;
    line-height: 1.35;
    margin: 0 0 16px;
}

.zstack-zsphere-page .hci-cta-desc {
    font-size: clamp(13px, calc(100vw * 15 / 1440), 15px);
    color: #64748b;
    line-height: 1.7;
    margin: 0 0 clamp(24px, calc(100vw * 32 / 1440), 32px);
}

.zstack-zsphere-page .hci-cta-btns {
    display: flex;
    flex-wrap: wrap;
    gap: 12px;
}

.zstack-zsphere-page .hci-cta-btn {
    padding: 10px 20px;
    border-radius: var(--r8);
    background: rgba(0, 87, 156, 0.05);
    border: 1px solid rgba(0, 87, 156, 0.1);
    color: var(--primary, #00579c);
    font-size: var(--fs-14, 14px);
    font-weight: 500;
    text-decoration: none;
    transition: background 0.2s, color 0.2s;
}

.zstack-zsphere-page .hci-cta-btn:hover {
    background: var(--primary, #00579c);
    color: #fff;
}

.zstack-zsphere-page .hci-cta-form {
    background: #fff;
    border-radius: 12px;
    border: 1px solid #e8edf3;
    padding: clamp(20px, calc(100vw * 28 / 1440), 28px);
    box-shadow: 0 4px 20px rgba(17, 83, 145, 0.06);
}

.zstack-zsphere-page .hci-cta-form-grid {
    display: grid;
    grid-template-columns: repeat(2, 1fr);
    gap: 12px;
    margin-bottom: 12px;
}

.zstack-zsphere-page .hci-cta-field--full {
    grid-column: 1 / -1;
}

.zstack-zsphere-page .hci-cta-input,
.zstack-zsphere-page .hci-cta-select {
    width: 100%;
    padding: 12px 14px;
    border: 1px solid #e2e8f0;
    border-radius: 8px;
    font-size: var(--fs-16, 16px);
    color: #00579c;
    background: #fff;
    box-sizing: border-box;
    transition: border-color 0.2s;
}

.zstack-zsphere-page .hci-cta-input::placeholder {
    color: #94a3b8;
}

.zstack-zsphere-page .hci-cta-select {
    color: #64748b;
    appearance: none;
    background-image: url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' width='12' height='12' viewBox='0 0 24 24' fill='none' stroke='%2394a3b8' stroke-width='2'%3E%3Cpath d='m6 9 6 6 6-6'/%3E%3C/svg%3E");
    background-repeat: no-repeat;
    background-position: right 14px center;
    padding-right: 36px;
}

.zstack-zsphere-page .hci-cta-input:focus,
.zstack-zsphere-page .hci-cta-select:focus {
    outline: none;
    border-color: #00579c;
}

.zstack-zsphere-page .hci-cta-form-note {
    font-size: var(--fs-12, 12px);
    color: #94a3b8;
    line-height: 1.5;
    margin: 0 0 16px;
}

.zstack-zsphere-page .hci-cta-submit {
    width: 100%;
    padding: 14px;
    border: none;
    border-radius: 8px;
    background: #00579c;
    color: #fff;
    font-size: var(--fs-16, 16px);
    font-weight: 600;
    cursor: pointer;
    transition: background 0.2s;
}

.zstack-zsphere-page .hci-cta-submit:hover {
    background: #004882;
}

@media (max-width: 1024px) {
    .zstack-zsphere-page .hci-cta-inner {
        grid-template-columns: 1fr;
    }
}

@media (max-width: 640px) {
    .zstack-zsphere-page .hci-cta.section {
        padding-top: 32px;
        padding-bottom: 32px;
    }

    .zstack-zsphere-page .hci-cta-form-grid {
        grid-template-columns: 1fr;
    }

    .zstack-zsphere-page .hci-cta-btns {
        gap: 8px;
    }

    .zstack-zsphere-page .hci-cta-btn {
        flex: 1 1 calc(50% - 4px);
        text-align: center;
        padding: 10px 12px;
    }
}