/* Title line with blue accent */
.i18n-ja {
    /* 字体 */
  --esp-font-family-trueno-bold: "SourceHanSansJP", "SourceHanSansCN-Bold", "Trueno-Bold", "MaisonNeue-Bold", "HelveticaNeueBold", "HelveticaNeue-Bold", "Helvetica Neue Bold", "HelveticaNeue", "Helvetica Neue", Helvetica, Arial, "PingFangSC-Medium", "PingFang SC Medium", "黑体", sans-serif !important;
  --esp-font-family-trueno-semibold: "SourceHanSansJP", "SourceHanSansCN-Bold", "Trueno-SemiBold", "MaisonNeue-Book", HelveticaNeueRegular, HelveticaNeue-Regular, "Helvetica Neue Regular", HelveticaNeue, "Helvetica Neue", Helvetica, Arial, PingFangSC-Regular, "PingFang SC Regular", 黑体, sans-serif !important;
  --esp-font-family-regular: "SourceHanSansJP", "SourceHanSansCN-Regular", "MaisonNeue-Book", HelveticaNeueRegular, HelveticaNeue-Regular, "Helvetica Neue Regular", HelveticaNeue, "Helvetica Neue", Helvetica, Arial, PingFangSC-Regular, "PingFang SC Regular", 黑体, sans-serif !important;
  --esp-font-family-trueno-light: "SourceHanSansJP", "SourceHanSansCN-Light", "Trueno-light", "MaisonNeue-Light", "HelveticaNeue-Light", "Helvetica Neue Light", "Helvetica Neue", Helvetica, Arial, "PingFangSC-Light", "PingFang SC Light", "黑体", sans-serif !important;
  --esp-font-family-light: "SourceHanSansJP", "SourceHanSansCN-Light", "MaisonNeue-Light", "HelveticaNeue-Light", "Helvetica Neue Light", "Helvetica Neue", Helvetica, Arial, "PingFangSC-Light", "PingFang SC Light", "黑体", sans-serif !important;

  --esp-font-family-trueno-regular:  "SourceHanSansJP", "SourceHanSansCN-Regular", "Trueno-Regular",HelveticaNeueRegular, HelveticaNeue-Regular, "Helvetica Neue Regular", HelveticaNeue, "Helvetica Neue", Helvetica, Arial, PingFangSC-Regular, "PingFang SC Regular", 黑体, sans-serif !important;
  --esp-font-family-medium: "SourceHanSansJP", "SourceHanSansCN-Regular", "MaisonNeue-Medium", HelveticaNeueRegular, HelveticaNeue-Regular, "Helvetica Neue Regular", HelveticaNeue, "Helvetica Neue", Helvetica, Arial, PingFangSC-Regular, "PingFang SC Regular", 黑体, sans-serif !important;
  
  --esp-font-family-maison-bold: "SourceHanSansJP", "SourceHanSansCN-Bold", "MaisonNeue-Bold", "Trueno-Bold", "HelveticaNeueBold", "HelveticaNeue-Bold", "Helvetica Neue Bold", "HelveticaNeue", "Helvetica Neue", Helvetica, Arial, "PingFangSC-Medium", "PingFang SC Medium", "黑体", sans-serif !important;
  --esp-font-family-trueno-bold: "SourceHanSansJP", "SourceHanSansCN-Bold", "HelveticaNeueBold", "HelveticaNeue-Bold", "Helvetica Neue Bold", "HelveticaNeue", "Helvetica Neue", Helvetica, Arial, "PingFangSC-Medium", "PingFang SC Medium", "黑体", sans-serif !important;
  --esp-font-family-trueno-semibold: "SourceHanSansJP", "SourceHanSansCN-Bold",  "HelveticaNeueBold", "HelveticaNeue-Bold", "Helvetica Neue Bold", HelveticaNeue, "Helvetica Neue", Helvetica, Arial, PingFangSC-Regular, "PingFang SC Regular", 黑体, sans-serif !important;
  --esp-font-family-maison-bold: "SourceHanSansJP", "SourceHanSansCN-Bold", "HelveticaNeueBold", "HelveticaNeue-Bold", "Helvetica Neue Bold", "HelveticaNeue", "Helvetica Neue", Helvetica, Arial, "PingFangSC-Medium", "PingFang SC Medium", "黑体", sans-serif !important;

  --esp-font-family-regular: "SourceHanSansJP", "SourceHanSansCN-Regular", HelveticaNeueRegular, HelveticaNeue-Regular, "Helvetica Neue Regular", HelveticaNeue, "Helvetica Neue", Helvetica, Arial, PingFangSC-Regular, "PingFang SC Regular", 黑体, sans-serif !important;
  --esp-font-family-trueno-light: "SourceHanSansJP", "SourceHanSansCN-Light",  "HelveticaNeue-Light", "Helvetica Neue Light", "Helvetica Neue", Helvetica, Arial, "PingFangSC-Light", "PingFang SC Light", "黑体", sans-serif !important;
  --esp-font-family-light: "SourceHanSansJP", "SourceHanSansCN-Light", "HelveticaNeue-Light", "Helvetica Neue Light", "Helvetica Neue", Helvetica, Arial, "PingFangSC-Light", "PingFang SC Light", "黑体", sans-serif !important;
  --esp-font-family-trueno-regular:  "SourceHanSansJP", "SourceHanSansCN-Regular", HelveticaNeueRegular, HelveticaNeue-Regular, "Helvetica Neue Regular", HelveticaNeue, "Helvetica Neue", Helvetica, Arial, PingFangSC-Regular, "PingFang SC Regular", 黑体, sans-serif !important;
  --esp-font-family-medium: "SourceHanSansJP", "SourceHanSansCN-Regular", HelveticaNeueRegular, HelveticaNeue-Regular, "Helvetica Neue Regular", HelveticaNeue, "Helvetica Neue", Helvetica, Arial, PingFangSC-Regular, "PingFang SC Regular", 黑体, sans-serif !important;
  --esp-font-family-s-medium: "SourceHanSansJP", "SourceHanSansCN-Medium", HelveticaNeueRegular, HelveticaNeue-Regular, "Helvetica Neue Regular", HelveticaNeue, "Helvetica Neue", Helvetica, Arial, PingFangSC-Regular, "PingFang SC Regular", 黑体, sans-serif !important;
}
body.i18n-ja.html .intro-wrapper h1,
body.i18n-ja.html .intro-wrapper h2,
body.i18n-ja.html .intro-wrapper h3,
body.i18n-ja.html strong {
    font-weight: bold !important;
}
body.html.i18n-ja li.bn-left-center h2, body.html.i18n-ja .pdb-word h2 {
    font-weight: bold !important;
}
.buy-now {
    display: none !important;
}
.title-line {
    position: relative;
    padding-top: 23px;
    text-align: left !important;
    text-align: center !important;
}

.title-line:before {
    content: '';
    position: absolute;
    left: 50%;
    top: 0;
    display: block;
    width: 60px;
    height: 5px;
    transform: translateX(-50%);
    background-color: var(--esp-color-blue);
}
.esp32-s31-wrap {
    overflow: hidden;
}
.esp32-s31-wrap p {
    margin-top: 0;
    margin-bottom: 0;
}
.esp32-s31-wrap p + p {
    margin-top: 16px;
}

.esp32-s31-wrap .overview-wrap {
    padding-top: 60px;
    padding-bottom: 110px;
    max-width: 1246px !important;
}

.esp32-s31-wrap .features-wrap {
    padding-top: 0;
    padding-bottom: 0;
}

/* Features section */
.features-wrap .title-line {
    margin-bottom: 64px;
}

.features-content-wrap {
    width: 100%;
    padding-bottom: 60px;
}
.i18n-en strong {
    font-weight: normal;
    font-family: var(--esp-font-family-medium) !important;
}

.features-bg-wrap {
    background-color: #fafbfc;
}

/* —— PC：左图右文水平布局 —— */
.esp32-s31-wrap .features-main-content {
    display: flex;
    flex-direction: row;
    align-items: flex-start;
    justify-content: space-between;
    box-sizing: border-box;
}

.esp32-s31-wrap .features-image-content {
    position: relative;
    flex: 0 0 auto;
    width: min(100%, 600px);
    max-width: 600px;
    height: 484px;
    margin-top: -85px;
}

.esp32-s31-wrap .features-text-content {
    flex: 1 1 0;
    min-width: 280px;
    max-width: 560px;
    padding-top: 80px;
}

.esp32-s31-wrap .features-text-slider {
    position: relative;
    min-height: 280px;
}

/* 进场：自下方淡入上移 */
@keyframes esp31FeaturesFadeUp {
    from {
        opacity: 0;
        transform: translate3d(0, 32px, 0);
    }
    to {
        opacity: 1;
        transform: translate3d(0, 0, 0);
    }
}

/* 退场：向下淡出（与 fadeUp 方向相反；起点略透明，过渡更柔和） */
@keyframes esp31FeaturesFadeDown {
    from {
        opacity: 1;
        transform: translate3d(0, 0, 0);
    }
    to {
        opacity: 0;
        transform: translate3d(0, 16px, 0);
    }
}

.esp32-s31-wrap .features-text-item {
    opacity: 0;
    display: none;
    transition: none;
}
.esp32-s31-wrap .features-text-item a {
    color: #1290D8 !important;
    text-decoration: none !important;
    transition: none !important;
}
.i18n-en .esp32-s31-wrap .features-text-item a {
    font-family: var(--esp-font-family-medium) !important;
}
.i18n-ja .esp32-s31-wrap .features-text-item a,
.i18n-zh-hans .esp32-s31-wrap .features-text-item a {
    font-weight: bold !important;
}
.esp32-s31-wrap .features-text-item a:hover {
    text-decoration: underline !important;
}
.esp32-s31-wrap .features-text-item h3 {
    margin: 0 0 20px 0;
    color: #38393a;
}

.esp32-s31-wrap .features-text-item p {
    color: #38393a;
    margin: 0 0 16px 0;
}

.esp32-s31-wrap .features-text-item p:last-child {
    margin-bottom: 0;
}

/* ≥1171px：文字/大图 fadeUp·fadeDown；≤1170px 为横向滑轨（从右侧进入视口） */
@media (min-width: 1171px) {
    .esp32-s31-wrap .features-text-item.active {
        display: block;
        position: relative;
        z-index: 1;
        opacity: 0;
        animation: esp31FeaturesFadeUp 0.36s ease-out forwards;
    }

    .esp32-s31-wrap .features-text-item.fade-down {
        display: block;
        visibility: visible;
        position: absolute;
        top: 0;
        left: 0;
        right: 0;
        z-index: 5;
        opacity: 1;
        animation: esp31FeaturesFadeDown 0.20s ease-in forwards;
        pointer-events: none;
    }
}

.esp32-s31-wrap .features-image-slider {
    position: absolute;
    inset: 0;
    width: 100%;
    height: 100%;
}

.esp32-s31-wrap .features-image-item {
    opacity: 0;
    position: absolute;
    inset: 0;
    width: 100%;
    height: 100%;
    display: flex;
    align-items: center;
    justify-content: center;
    transition: none;
    backface-visibility: hidden;
    transform: translateZ(0);
}
.esp32-s31-wrap .customer-products-wrap {
    padding-top: 80px;
}

@media (min-width: 1170px) {
    .esp32-s31-wrap .features-image-item.active {
        z-index: 1;
        opacity: 0;
        animation: esp31FeaturesFadeUp 0.36s linear forwards;
    }

    .esp32-s31-wrap .features-image-item.fade-down {
        visibility: visible;
        opacity: 1;
        z-index: 5;
        animation: esp31FeaturesFadeDown 0.15s linear forwards;
        pointer-events: none;
    }
}

.esp32-s31-wrap .features-image-item img,
.esp32-s31-wrap .features-image-item picture {
    max-width: 100%;
    height: auto;
    display: block;
    border-radius: 8px;
}

/* —— Tabs：底部一行，悬浮上移 20px，激活态紫色描边 —— */
.esp32-s31-wrap .features-tabs {
    display: flex;
    flex-direction: row;
    justify-content: space-between;
    align-items: flex-start;
    margin-top: 60px;
    margin-left: auto;
    margin-right: auto;
    max-width: 1130px;
}

.esp32-s31-wrap .features-tab-item {
    flex: 1;
    display: flex;
    flex-direction: column;
    align-items: center;
    text-align: center;
    cursor: pointer;
    max-width: 200px;
    min-width: 160px;
    box-sizing: border-box;
    color: rgba(56, 57, 58, 0.4);
    transition: transform 0.35s linear, color 0.25s linear;
    position: relative;
    line-height: 1.125;
    min-height: 150px;
}

.esp32-s31-wrap .features-tab-item.active {
    transform: translateY(-20px);
    color: rgba(56, 57, 58, 0.9);
    font-family: var(--esp-font-family-maison-bold);
}
.esp32-s31-wrap .features-tab-item-icon {
    position: relative;
    border: 1px solid rgba(159, 125, 176, 0.8);
    border-radius: 12px;
    overflow: hidden;
    line-height: 0;
    transition: border-width 0.2s ease, box-shadow 0.2s ease;
}

.esp32-s31-wrap .features-tab-item.active .features-tab-item-icon {
    border: 3px solid rgba(159, 125, 176, 1);
    box-shadow: 0 4px 6px rgba(159, 125, 176, 0.4);
}

.esp32-s31-wrap .features-tab-item.active {
    color: #38393a;
    font-weight: 700;
}
.esp32-s31-wrap .features-tab-item-icon::before {
    content: '';
    background-color: #f7f7f7;
    position: absolute;
    inset: 0;
    z-index: 0;
    border-radius: 12px;
    transition: background-color 0.2s ease;
}

.esp32-s31-wrap .features-tab-item-icon::after {
    content: '';
    background-color: #f7f7f7;
    position: absolute;
    inset: 0;
    z-index: 1;
    border-radius: 12px;
    transition: background-color 0.2s ease;
}

.esp32-s31-wrap .features-tab-item.active .features-tab-item-icon::after {
    background-color: #fcfdf6;
}

.esp32-s31-wrap .features-tab-item img {
    position: relative;
    z-index: 2;
    width: 156px;
    height: 96px;
    max-width: 100%;
    object-fit: cover;
    display: block;
    opacity: 0.8;
    margin: 0;
    filter: grayscale(1);
    transition: opacity 0.25s ease, filter 0.25s ease;
}

.esp32-s31-wrap .features-tab-item:hover img,
.esp32-s31-wrap .features-tab-item.active img {
    opacity: 1;
    filter: grayscale(0);
}

.esp32-s31-wrap .features-tab-item span {
    display: block;
    margin-top: 12px;
    line-height: 1.125;
    color: inherit;
}
.buy-now .buy-now-bg {
    background-image: url(../images/esp32-s31/buy-now.png?v=1);
    background-size: cover;
}
.buy-now .buy-now-bg .inside {
    padding: 78px 0;
}
.buy-now .buy-now-bg h2 {
    margin-bottom: 10px;
    color: #38393a;
}
.buy-now .buy-now-bg .btn-wrap {
    margin-top: 0 !important;
}
.buy-now .buy-now-bg .button {
    width: 172px;
    border-color: #38393a !important;
    color: #38393a !important;
}
.buy-now .buy-now-bg .button:hover {
    background-color: #38393a !important;
    border-color: #38393a !important;
    color: #fff !important;
}

/* ≤1170px：图+文横向滑轨（translateX 向左，下一屏从右侧进入），圆点指示；支持手滑见 esp32-s31.js */
@media (max-width: 1170px) {
    .esp32-s31-wrap .features-main-content {
        display: flex;
        flex-direction: column;
        align-items: stretch;
        min-height: 0;
        touch-action: pan-y;
        -webkit-user-select: none;
        user-select: none;
    }

    .esp32-s31-wrap .features-image-content {
        order: 1;
        margin-top: 0;
        margin-left: auto;
        margin-right: auto;
        width: 100%;
        max-width: none;
        height: auto;
        min-height: 260px;
        position: static;
    }

    .esp32-s31-wrap .overview-wrap {
        padding-top: 50px;
        padding-bottom: 70px;
    }

    .esp32-s31-wrap .features-image-content .features-image-item {
        margin-top: -45px;
    }

    .esp32-s31-wrap .features-image-slider {
        position: static;
        display: flex;
        flex-direction: row;
        width: 600%;
        min-width: 600%;
        transition: transform 0.4s cubic-bezier(0.25, 0.46, 0.45, 0.94);
        will-change: transform;
    }

    .esp32-s31-wrap .features-image-slider .features-image-item {
        position: static;
        flex: 0 0 calc(100% / 6);
        width: calc(100% / 6);
        min-width: calc(100% / 6);
        opacity: 1;
        animation: none !important;
    }

    .esp32-s31-wrap .features-text-content {
        order: 2;
        flex: 1;
        padding-top: 40px;
        max-width: 100% !important;
        min-width: 100% !important;
        overflow: hidden;
    }

    .esp32-s31-wrap .features-text-slider {
        position: static;
        display: flex;
        flex-direction: row;
        width: 600%;
        min-width: 600%;
        min-height: 160px;
        transition: transform 0.4s cubic-bezier(0.25, 0.46, 0.45, 0.94);
        will-change: transform;
    }

    .esp32-s31-wrap .features-text-slider .features-text-item {
        flex: 0 0 calc(100% / 6);
        width: calc(100% / 6);
        min-width: calc(100% / 6);
        display: block !important;
        opacity: 1 !important;
        position: static;
        padding: 0 16px 8px;
        box-sizing: border-box;
        animation: none !important;
    }

    .esp32-s31-wrap .features-text-item h3 {
        text-align: center;
    }

    .esp32-s31-wrap .features-content-wrap .features-image-slider,
    .esp32-s31-wrap .features-content-wrap .features-text-slider {
        width: 600%;
        min-width: 600%;
    }

    .esp32-s31-wrap .features-tabs {
        display: flex;
        align-items: center;
        justify-content: center;
        margin-top: 24px;
    }

    .esp32-s31-wrap .features-tabs .features-tab-item * {
        display: none !important;
    }

    .esp32-s31-wrap .features-tabs .features-tab-item {
        flex: none;
        width: 12px;
        height: 12px;
        border-radius: 50%;
        background-color: #d9d9d9;
        min-width: auto;
        transform: none !important;
        cursor: pointer;
        padding: 0;
        min-height: auto;
    }

    .esp32-s31-wrap .features-tabs .features-tab-item + .features-tab-item {
        margin-left: 16px;
    }

    .esp32-s31-wrap .features-tabs .features-tab-item.active {
        background-color: #9f7db0;
    }
}

/* Responsive: < 768px - 小屏仅做间距与字号微调 */
@media (max-width: 768px) {
    .esp32-s31-wrap .overview-wrap {
        padding-top: 28px;
        padding-bottom: 40px;
    }

    .features-wrap .title-line {
        padding-top: 16px;
        margin-bottom: 60px;
    }

    .esp32-s31-wrap .features-text-item h3 {
        margin-bottom: 8px;
    }

    .esp32-s31-wrap .features-image-content {
        min-height: 250px;
    }
    .esp32-s31-wrap .features-wrap {
        margin: 0;
    }
    .esp32-s31-wrap .features-image-content .features-image-item {
        padding-left: 20px;
        padding-right: 20px;
        box-sizing: border-box;
    }
    .esp32-s31-wrap .features-text-content .features-text-item {
        padding-left: 20px;
        padding-right: 20px;
        box-sizing: border-box;
    }

    .features-mobile-progress {
        margin-top: 20px;
    }

    .esp32-s31-wrap .features-text-item h3 {
        text-align: left;
    }

    body:not(.views-display-home-dynews) .new-banner-video-wrap .video-banner-container {
        display: none !important;
    }

    body:not(.views-display-home-dynews) .new-banner-video-wrap picture {
        display: block !important;
    }
    .esp32-s31-wrap .features-text-content {
        padding-top: 20px;
    }
    .esp32-s31-wrap .features-tabs .features-tab-item {
        width: 8px;
        height: 8px;
    }
    .esp32-s31-wrap .products-wrap.customer-products-wrap {
        padding-top: 50px !important;
    }
    .buy-now .buy-now-bg .inside {
        padding: 56px 0;
    }
}