/* 默认显示pc端 */
.is-pc {
    display: block;
}

.is-pe {
    display: none;
}

.wireless-tally-system {
    text-align: center;
    letter-spacing: 0em;
    background-color: #FFF;
    font-family: HarmonyOS Sans;
    word-wrap: break-word;
    overflow: hidden;
}

.wireless-tally-system picture {
    display: block;
    width: 100%;
    height: 100%;
}

.large-width {
    max-width: 1200px;
    margin: 0 auto;
}

.medium-width {
    max-width: 950px;
    margin: 0 auto;
}

/* base style */
.wireless-tally-system img {
    width: 100%;
    height: auto;
    object-fit: cover;
}

.wireless-tally-system h4 {
    color: #FFF;
    font-size: 40px;
    font-style: normal;
    font-weight: 700;
    line-height: normal;
    margin-bottom: 0;
}

.wireless-tally-system h4 span {
    color: #02A1F9;
}

.wireless-tally-system p {
    color: rgba(0, 0, 0, 0.70);
    font-family: "HarmonyOS Sans";
    font-size: 20px;
    font-style: normal;
    font-weight: 500;
    line-height: 26px;
    margin-bottom: 0;
}

/* banner */
.system-banner {
    height: 940px;
    background: url('https://hollyland.oss-us-east-1.aliyuncs.com/official-website/5005/banner-pc.jpg') no-repeat center center;
    background-size: cover;
    background-color: #F2F4F6;
}

.system-banner h2 {
    color: #000;
    text-align: center;
    font-size: 64px;
    font-style: normal;
    font-weight: 700;
    line-height: normal;
    padding-top: 128px;
    margin-bottom: 0;
}

/* feature */
.system-feature {
    padding-top: 60px;
    background-color: #F2F4F6;
}

.system-feature-container {
    max-width: 1080px;
    padding-bottom: 100px;
    margin: 0 auto;
}

.system-feature-container ul {
    list-style: none;
    padding: 0;
    margin: 0;
    display: flex;
    align-items: center;
    justify-content: center;
    flex-wrap: wrap;
}

.system-feature-container ul li {
    flex: 25% 0 0;
    margin-top: 120px;
}

.system-feature-container ul li p {
    color: #121212;
    font-size: 20px;
    font-style: normal;
    font-weight: 500;
    line-height: 30px;
    margin-top: 30px;
    margin-bottom: 0;
}

.system-feature-container img {
    width: 70px;
    height: 70px;
    object-fit: cover;
}

.system-feature-container>p {
    margin-top: 140px;
}

/* introduce */
.system-feature-intro {
    width: 100%;
    height: 80vh;
    position: relative;
    display: flex;
    align-items: center;
}

.intro-container {
    position: relative;
    width: 50%;
    left: 50%;
    transform: translateX(-50%);
    top: 0;
}

.intro-container .spacer {
    position: relative;
    top: 0;
    width: 100%;
    height: 0;
    padding-bottom: 56.25%;
}

.intro-container .image-wrapper {
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    z-index: 2;
}

.intro-container .image-text {
    position: absolute;
    text-align: center;
    width: 100%;
    height: 100%;
    z-index: 1;
    top: 0;
}

.intro-container img {
    width: 100%;
    height: 100%;
    object-fit: contain;
}

.intro-container .image-wrapper img {
    transition: opacity 0.6s, transform 1.2s ease-out;
    transform: scale(1.5, 1.5);
    opacity: 0.001;
    box-sizing: border-box;
    will-change: transform, opacity;
}

.intro-container .image-text img {
    opacity: 0.001;
    transition: opacity 1s 0.6s;
    padding: 0 0;
    box-sizing: border-box;
    object-position: 50% 25%;
}

/* show animation */
.system-feature-intro.show .image-wrapper img {
    transform: scale(1, 1);
    opacity: 0.999;
}

.system-feature-intro.show .image-text img {
    opacity: 0.999;
}

/* system-compatibility */
.system-compatibility {
    padding: 150px 0 100px;
    background-color: #000;
    text-align: left;
}

.compatibility-intro {
    max-width: 690px;
}

.compatibility-intro p {
    margin-top: 50px;
    color: rgba(255, 255, 255, 0.70);
}

/* compatibility-port */
.compatibility-port {
    padding-top: 100px;
    display: flex;
    align-items: stretch;
    justify-content: space-between;
}

.compatibility-port .port-left {
    width: 30%;
    flex: 0 0 auto;
    position: relative;
}

.compatibility-port .port-right {
    width: 60%;
    flex: 0 0 auto;
    position: relative;
}

.port-left .left-line {
    position: absolute;
    width: 1px;
    height: 100%;
    background-color: #393939;
    left: 0;
    top: 0;
}

.port-left .progress-line {
    position: absolute;
    width: 2px;
    height: 0;
    background-color: #FFF;
    left: 0;
    top: 0;
    transition: transform 0.5s;
}

.port-left ul {
    list-style: none;
    padding: 10px 0 20px 23px;
    margin: 0;
}

.port-left ul li {
    padding: 26px 0;
}

.port-left ul li h6 {
    color: rgba(255, 255, 255, 0.40);
    font-size: 26px;
    font-style: normal;
    font-weight: 500;
    line-height: normal;
    margin-bottom: 0;
    cursor: pointer;
}

.port-left ul li p {
    color: rgba(255, 255, 255, 0.50);
    font-size: 18px;
    font-style: normal;
    font-weight: 500;
    line-height: normal;
    margin-top: 20px;
    display: none;
    animation: slide-up 0.5s;
}

.port-left ul li:first-child {
    padding-top: 0;
}

.port-left ul li:last-child {
    padding-bottom: 0;
}

.port-left ul li.active h6 {
    color: #FFF;
}

.port-left ul li.active p {
    display: block;
}

@keyframes slide-up {
    0% {
        opacity: 0;
        transform: translateY(100%);
    }

    100% {
        opacity: 1;
        transform: translateY(0);
    }
}

.port-right .port-item {
    position: absolute;
    width: 100%;
    height: 100%;
    display: flex;
    align-items: center;
    justify-content: center;
    opacity: 0;
}

.port-right .port-item.active {
    opacity: 1;
}

/* compatibility-container */
.compatibility-container {
    padding-top: 200px;
}

.compatibility-container>h6 {
    color: #FFF;
    font-size: 28px;
    font-style: normal;
    font-weight: 500;
    line-height: normal;
    margin-bottom: 0;
}

.compatibility-container>p {
    color: #FFF;
    font-size: 20px;
    font-style: normal;
    font-weight: 500;
    line-height: normal;
    opacity: 0.4;
    text-align: center;
    margin-top: 50px;
}

.compatibility-brand {
    margin-top: 100px;
    border-radius: 16px;
    background: #141414;
}


.compatibility-container .list-link {
    width: 210px;
    margin: 50px auto;
    color: #02A1F9;
    text-align: center;
    font-size: 24px;
    font-style: normal;
    font-weight: 500;
    line-height: 36px;
    display: flex;
    align-items: center;
    justify-content: center;
    text-decoration: none;
    cursor: pointer;
    white-space: nowrap;
}

.compatibility-container .list-link svg {
    transition: transform 0.5s;
}

.compatibility-container .list-link span {
    margin-right: 12px;
}

.compatibility-container .list-link.active svg {
    transform: rotate(180deg);
}

/* compatibility-table  */
.compatibility-table {
    height: 800px;
    overflow-y: auto;
    overflow-x: hidden;
    border-radius: 16px;
    margin-top: 60px;
    display: none;
}

.compatibility-table table {
    width: 100%;
    border-collapse: collapse;
    border-spacing: 0;
}

.compatibility-table .left-box {
    padding-left: 90px;
}

.compatibility-table img {
    width: 150px;
    height: auto;
}

.compatibility-table th {
    color: #FFF;
    font-size: 24px;
    font-style: normal;
    font-weight: 700;
    line-height: 56px;
    padding: 15px 0;
}

.compatibility-table td {
    color: #FFF;
    font-size: 18px;
    font-style: normal;
    font-weight: 400;
    line-height: 56px;
    padding: 10px 0;
}

.compatibility-table thead {
    background: #141414;
    position: sticky;
    top: 0;
}

.compatibility-table tbody {
    background: #0B0B0B;
}

.compatibility-table tbody tr td:last-child {
    color: rgba(255, 255, 255, 0.65);
    font-size: 14px;
    font-style: normal;
    font-weight: 400;
    line-height: 30px;
}

.compatibility-table tbody tr.diffColor {
    background-color: #141414;
}

/* compatibility-table scroll */
.compatibility-table::-webkit-scrollbar {
    width: 10px;
    height: 10px;
}

.compatibility-table::-webkit-scrollbar-thumb {
    border-radius: 100px;
    background: #757575;
}

.compatibility-table::-webkit-scrollbar-track {
    background: #141414;
}

/* system-setup */
.system-setup {
    padding-top: 150px;
    background-color: #F2F4F6;
    text-align: left;
}

.setup-intro {
    max-width: 800px;
}

.setup-intro h4 {
    color: #000;
}

.setup-intro p {
    margin-top: 50px;
    margin-bottom: 100px;
}

/* tabs */
.setup-tab .tab-pane img {
    border-radius: 16px;
}

.setup-tab .nav {
    margin-top: 55px;
    --bs-nav-link-padding-x: 45px;
    --bs-nav-link-padding-y: 35px;
    --bs-nav-pills-border-radius: 0;
    --bs-nav-link-color: rgba(0, 0, 0, 0.40);
    --bs-nav-link-hover-color: rgba(0, 0, 0, 0.40);
    --bs-nav-pills-link-active-color: #000;
    --bs-nav-pills-link-active-bg: transparent;
    justify-content: center;
}

.setup-tab .nav .nav-item {
    position: relative;
}

.setup-tab .nav .nav-item button {
    font-size: 24px;
    font-style: normal;
    font-weight: 500;
    line-height: normal;
}

.setup-tab .nav .nav-item button::before {
    content: "";
    position: absolute;
    width: 100%;
    height: 1px;
    background-color: rgba(0, 0, 0, 0.40);
    right: 0;
    bottom: 0;
}

.setup-tab .nav .nav-item button::after {
    content: "";
    position: absolute;
    width: 100%;
    height: 2px;
    background-color: rgba(0, 0, 0, 1);
    right: 0;
    bottom: 0;
    display: none;
}

.setup-tab .nav .nav-item button.active::after {
    display: block;
}

/* setup-wrapper */
.setup-wrapper {
    padding-top: 200px;
}

.setup-wrapper h6 {
    color: #000;
    font-size: 28px;
    font-style: normal;
    font-weight: 500;
    line-height: normal;
    margin-bottom: 100px;
}

.setup-wrapper img {
    border-radius: 16px;
}

/* setup-hopping */
.setup-hopping {
    padding-top: 200px;
}

.hopping-intro {
    max-width: 800px;
}

.hopping-intro h4 {
    color: #000;
}

.hopping-intro p {
    margin-top: 50px;
    margin-bottom: 100px;
}

/* system-range */
.system-range {
    padding-top: 150px;
    background-color: #000;
    text-align: left;
}

.transmission-intro {
    max-width: 800px;
}

.transmission-intro p {
    color: rgba(255, 255, 255, 0.70);
    margin-top: 50px;
    margin-bottom: 30px;
}

.transmission-container {
    position: relative;
    height: 100vh;
    overflow: hidden;
    display: flex;
    align-items: center;
    justify-content: center;
}

.transmission-container h1 {
    position: absolute;
    width: 100%;
    height: 100%;
    display: flex;
    align-items: center;
    justify-content: center;
    z-index: 1;

    color: #FFF;
    font-size: 80px;
    font-style: normal;
    font-weight: 700;
    line-height: normal;
    margin-bottom: 0;
}

.transmission-container .transmission-image {
    overflow: hidden;
    display: flex;
    align-items: center;
    justify-content: center;
    width: 1200px;
    height: 556px;
    border-radius: 6px;
}

.transmission-container .transmission-image .current-image {
    width: 100vw;
    height: 100vh;
    background-image: url('https://hollyland.oss-us-east-1.aliyuncs.com/official-website/5005/transmission.jpg');
    background-size: cover;
    background-position: 50%;
    background-repeat: no-repeat;
}

.transmission-container .transmission-mask {
    position: absolute;
    width: 100%;
    height: 40%;
    bottom: 0;
    left: 0;
    background: linear-gradient(1deg, #000 5.81%, rgba(0, 0, 0, 0.00) 95.41%);
}

/* system-support */
.system-support {
    padding-top: 180px;
    text-align: left;
}

.system-support>div>p {
    text-align: center;
    color: #FFF;
    margin: 35px auto 0;
    padding-bottom: 150px;
    opacity: 0.4;
    max-width: 800px;
}

.support-intro {
    max-width: 800px;
}

.support-intro p {
    color: rgba(255, 255, 255, 0.70);
    margin-top: 50px;
    margin-bottom: 100px;
}

/* support tab */
.support-tab .tab-pane img {
    border-radius: 16px;
}

.support-tab .nav {
    margin-top: 55px;
    --bs-nav-link-padding-x: 45px;
    --bs-nav-link-padding-y: 35px;
    --bs-nav-pills-border-radius: 0;
    --bs-nav-link-color: rgba(255, 255, 255, 0.40);
    --bs-nav-link-hover-color: rgba(255, 255, 255, 0.40);
    --bs-nav-pills-link-active-color: #FFF;
    --bs-nav-pills-link-active-bg: transparent;
    justify-content: center;
}

.support-tab .nav .nav-item {
    position: relative;
}

.support-tab .nav .nav-item button {
    font-size: 24px;
    font-style: normal;
    font-weight: 500;
    line-height: normal;
}

.support-tab .nav .nav-item button::before {
    content: "";
    position: absolute;
    width: 100%;
    height: 1px;
    background-color: rgba(255, 255, 255, 0.40);
    right: 0;
    bottom: 0;
}

.support-tab .nav .nav-item button::after {
    content: "";
    position: absolute;
    width: 100%;
    height: 2px;
    background-color: rgba(255, 255, 255, 1);
    right: 0;
    bottom: 0;
    display: none;
}

.support-tab .nav .nav-item button.active::after {
    display: block;
}

/* system-battery */
.system-battery {
    padding-top: 150px;
    background-color: #F2F4F6;
    text-align: left;
}

.battery-intro {
    max-width: 800px;
}

.battery-intro h4 {
    color: #000;
}

.battery-intro p {
    margin-top: 50px;
    margin-bottom: 100px;
}

.battery-image img {
    border-radius: 16px;
}

.battery-compatibility {
    padding-top: 12px;
    display: flex;
    align-items: stretch;
    justify-content: space-between;
    gap: 12px;
}

.battery-left {
    padding: 40px 80px;
    border-radius: 16px;
    background: #EAEDF0;
    display: flex;
    align-items: center;
    justify-content: center;
    flex-direction: column;
}

.battery-left p {
    color: #02A1F9;
    text-align: center;
    font-size: 20px;
    font-style: normal;
    font-weight: 500;
    line-height: 26px;
    margin-top: 30px;
    white-space: nowrap;
}

.battery-right {
    padding: 30px 70px;
    border-radius: 16px;
    background: #EAEDF0;
}

.battery-right .image-box {
    display: flex;
    align-items: center;
    justify-content: center;
    gap: 20px;
}

.battery-right .image-box .image-item {
    max-width: 304px;
    width: 50%;
    flex: 0 0 auto;
    position: relative;
}

.battery-right .image-box .image-item p {
    color: rgba(0, 0, 0, 0.50);
    text-align: center;
    font-family: "HarmonyOS Sans";
    font-size: 14px;
    font-style: normal;
    font-weight: 500;
    line-height: normal;
}

.battery-right>p {
    color: rgba(0, 0, 0, 0.60);
    font-size: 20px;
    font-style: normal;
    font-weight: 500;
    line-height: 26px;
    margin-top: 30px;
    padding: 0 10px;
}

/* system-weigh */
.system-weigh {
    padding-top: 200px;
    background-color: #F2F4F6;
    text-align: left;
}

.weigh-intro {
    max-width: 800px;
}

.weigh-intro h4 {
    color: #000;
}

.weigh-intro p {
    margin-top: 50px;
    margin-bottom: 70px;
}

.weigh-image,
.size-image {
    display: flex;
    justify-content: center;
}

.size-image {
    margin-top: -50px;
    padding: 40px 0;
    border-radius: 16px;
    background: #EAEDF0;
    position: relative;
}

.weigh-image img,
.size-image img {
    width: auto;
    margin: 0 auto;
}

/* system-packing */
.system-packing {
    padding-top: 200px;
    background-color: #F2F4F6;
    text-align: left;
}

.system-content>h4 {
    color: #000;
    margin-bottom: 90px;
}

.system-content ul {
    display: flex;
    align-items: center;
    justify-content: center;
    gap: 12px;
    --bs-nav-link-padding-x: 0;
    --bs-nav-link-padding-y: 0;
    --bs-nav-pills-link-active-bg: transparent;
}

.system-content ul li {
    flex: calc((100% - 12px) / 2);
    cursor: pointer;
    display: flex;
    align-items: center;
    justify-content: center;
}

.system-content ul li button {
    opacity: 0.4;
    width: 100%;
}

.system-content ul li button.active {
    opacity: 1;
}

.system-content ul li button.active .packing-image {
    border: 3px solid #02A1F9;
}

.system-content ul li button .packing-image {
    padding: 40px 0;
    border-radius: 16px;
    background: #EAEDF0;
}

.system-content ul li button .packing-image img {
    width: auto;
    max-width: 100%;
}

.system-content ul li button h5 {
    color: #000;
    text-align: center;
    font-size: 24px;
    font-style: normal;
    font-weight: 700;
    line-height: 28px;
    margin-top: 30px;
}

.system-packing-list {
    margin-top: 100px;
    display: flex;
    align-items: center;
    justify-content: flex-start;
    flex-wrap: wrap;
    gap: 12px;
}

.system-packing-list .system-packing-item {
    width: calc((100% - 36px) / 4);
    flex: 0 0 auto;
    position: relative;
    border-radius: 16px;
    background: #EAEDF0;
}

.system-packing-list .system-packing-item img {
    width: auto;
    max-width: 100%;
}

.system-packing-list .system-packing-item p {
    height: 89px;
    padding: 0 20px;
    color: rgba(0, 0, 0, 0.65);
    text-align: center;
    font-size: 20px;
    font-style: normal;
    font-weight: 500;
    line-height: 30px;

    /* 多行省略 */
    display: -webkit-box;
    -webkit-box-orient: vertical;
    -webkit-line-clamp: 3;
    overflow: hidden;
}

/* setup */
.setup-list {
    padding-top: 200px;
    background-color: #F2F4F6;
}

.setup-header {
    display: flex;
    align-items: flex-end;
    justify-content: space-between;
    margin-bottom: 80px;
}

.setup-header h4 {
    color: #000;
}

.setup-header div {
    color: #02A1F9;
    text-align: center;
    font-size: 24px;
    font-style: normal;
    font-weight: 500;
    line-height: 36px;
    word-wrap: break-word;
    cursor: pointer;
}

.setup-header div a {
    text-decoration: none;
    color: #02A1F9;
    display: flex;
    align-items: center;
}

.setup-header div a svg {
    margin-left: 15px;
}

.setup-list .swiper {
    --swiper-pagination-bullet-horizontal-gap: 8px;
    --swiper-pagination-bullet-width: 15px;
    --swiper-pagination-bullet-height: 15px;
    --swiper-pagination-bullet-inactive-opacity: 1;
    --swiper-pagination-bullet-inactive-color: #C4C5C6;
    --swiper-theme-color: #02A1F9;
}

.setup-list .swiper-wrapper {
    padding-bottom: 80px;
}

.setup-list .swiper-slide a {
    display: block;
    text-decoration: none;
    border-radius: 16px;
    background: #EAEDF0;
    cursor: default;
}

.setup-list .swiper-slide p {
    height: 89px;
    padding: 10px 20px;
    text-align: center;
    color: rgba(0, 0, 0, 0.65);
    font-size: 20px;
    font-style: normal;
    font-weight: 500;
    line-height: 30px;
    /* 多行省略 */
    display: -webkit-box;
    -webkit-box-orient: vertical;
    -webkit-line-clamp: 3;
    overflow: hidden;
}

/* specifications */
.system-specifications {
    padding-top: 200px;
    padding-bottom: 200px;
    background-color: #F2F4F6;
    text-align: left;
}

.system-specifications-header {
    display: flex;
    align-items: center;
    justify-content: space-between;
    margin-bottom: 50px;
}

.system-specifications-header h4 {
    color: #000;
    font-size: 48px;
    font-style: normal;
    font-weight: 700;
    line-height: 56px;
    word-wrap: break-word;
}

.system-specifications-header .nav {
    --bs-nav-pills-link-active-bg: transparent;
    --bs-nav-pills-link-active-color: #FFF;
    --bs-nav-link-color: #000;
    --bs-nav-link-hover-color: #000;
    --bs-nav-link-padding-x: 0;
    --bs-nav-link-padding-y: 0;
}

.system-specifications-header ul {
    border-radius: 50px;
    background: #EAEDF0;
    display: flex;
    align-items: center;
    justify-content: space-between;
    padding: 0 6px;
    width: 333px;
    position: relative;
}

.system-specifications-header ul::after {
    content: "";
    position: absolute;
    top: 6px;
    left: 6px;
    width: 160px;
    height: calc(100% - 12px);
    /* 设置透明度 */
    z-index: 10;

    display: flex;
    align-items: center;
    justify-content: center;
    border-radius: 50px;
    background: #02A1F9;
    transition: transform 0.5s ease;
    /* 添加过渡效果 */
}

.system-specifications-header ul li {
    flex: 1;
    font-size: 16px;
    font-style: normal;
    font-weight: 400;
    line-height: 56px;
    position: relative;
    z-index: 11;
}

.system-specifications-header ul li button {
    width: 100%;
    height: 100%;
}

.highlighted::after {
    transform: translateX(100%);
    /* 将伪元素移动到右侧 */
}

.system-desc-item {
    text-align: left;
    padding: 50px 0;
    display: flex;
    justify-content: space-between;
    flex: 50%;
}

.system-desc-item h6 {
    color: #0D0D0D;
    font-size: 20px;
    font-style: normal;
    font-weight: 400;
    line-height: 56px;
    word-wrap: break-word;
    margin-bottom: 0;
    text-align: left;
    background: transparent;
    background-clip: unset;
    -webkit-text-fill-color: #0D0D0D;
}

.system-desc-item p {
    color: rgba(0, 0, 0, 0.65);
    font-size: 14px;
    font-style: normal;
    font-weight: 400;
    line-height: 30px;
    text-align: left;
}

.system-desc-item h6 {
    flex: 60%;
}

.system-desc-item p {
    flex: 40%;
}


/* media */
@media screen and (max-width: 991px) {
    .intro-container {
        width: 85%;
    }
}

@media screen and (max-width: 767px) {

    .product-bar-fixed {
        z-index: 9999;
    }

    .is-pc {
        display: none;
    }

    .is-pe {
        display: block;
    }

    /* base style */
    .wireless-tally-system h4 {
        font-size: 24px;
    }

    .wireless-tally-system p {
        font-size: 14px;
        line-height: 18px;
    }

    /* banner */
    .system-banner {
        height: 375px;
        background: url('https://hollyland.oss-us-east-1.aliyuncs.com/official-website/5005/banner-pe.jpg') no-repeat center center;
        background-size: cover;
        background-color: #F2F4F6;
    }

    .system-banner h2 {
        font-size: 24px;
        padding-top: 60px;
    }

    /* feature */
    .system-feature {
        padding-top: 35px;
    }

    .system-feature-container {
        padding-bottom: 25px;
    }

    .system-feature-container ul {
        padding: 0 60px;
    }

    .system-feature-container ul li {
        flex: 50% 0 0;
        margin-top: 50px;
    }

    .system-feature-container ul li p {
        font-size: 12px;
        line-height: 15px;
        margin-top: 15px;
    }

    .system-feature-container img {
        width: 35px;
        height: 35px;
    }

    .system-feature-container>p {
        font-size: 12px;
        line-height: 15px;
        margin-top: 50px;
        padding: 0 20px;
    }

    /* introduce */
    .system-feature-intro {
        padding-top: 50px;
        height: 300px;
    }

    /* system-compatibility */
    .system-compatibility {
        padding: 75px 20px 75px;
    }

    .compatibility-intro p {
        margin-top: 35px;
    }

    /* compatibility-port-pe */
    .compatibility-port-pe {
        padding-top: 75px;
    }

    .port-top {
        height: 150px;
        position: relative;
    }

    .port-top .port-item {
        width: 100%;
        height: 100%;
        position: absolute;
        top: 0;
        left: 0;
        opacity: 0;
    }

    .port-top .port-item.active {
        opacity: 1;
    }

    .bottom-sign {
        display: flex;
        align-items: center;
        position: relative;
    }

    .bottom-sign::after {
        content: "";
        position: absolute;
        width: 100%;
        height: 1px;
        background-color: #393939;
        left: 0;
        bottom: 0;
    }

    .sign-item {
        padding: 15px 18px;
        color: #FFF;
        font-size: 12px;
        font-style: normal;
        font-weight: 500;
        line-height: 15px;
        opacity: 0.4;
        position: relative;
    }

    .sign-item::after {
        content: "";
        position: absolute;
        width: 100%;
        height: 2px;
        background-color: #FFF;
        left: 0;
        bottom: 0;
        opacity: 0;
        transition: all 0.5s;
    }

    .sign-item.active {
        opacity: 1;
    }

    .sign-item.active::after {
        opacity: 1;
    }

    .bottom-content ul {
        margin: 0;
        padding: 15px 0 0;
        list-style: none;
    }

    .bottom-content ul li {
        display: none;
    }

    .bottom-content ul li.active {
        display: block;
    }

    .bottom-content .content-item {
        display: flex;
        align-items: center;
        justify-content: flex-start;
        margin-top: 20px;
    }

    .bottom-content .content-item img {
        width: 17px;
        height: 17px;
        margin-right: 15px;
    }

    .bottom-content .content-text h6 {
        color: #FFF;
        font-size: 14px;
        font-style: normal;
        font-weight: 500;
        line-height: normal;
    }

    .bottom-content .content-text p {
        color: rgba(255, 255, 255, 0.50);
        font-size: 12px;
        font-style: normal;
        font-weight: 500;
        line-height: normal;
        margin-top: 10px;
    }

    /* compatibility-container */
    .compatibility-container {
        padding-top: 100px;
    }

    .compatibility-container>h6 {
        font-size: 15px;
        line-height: 26px;
    }

    .compatibility-container>p {
        font-size: 12px;
        line-height: 15px;
        margin-top: 25px;
    }

    .compatibility-brand {
        margin-top: 50px;
    }

    .compatibility-container .list-link {
        width: 150px;
        margin: 25px auto;
        font-size: 14px;
        line-height: 18px;
    }

    .compatibility-container .list-link svg {
        width: 12px;
        height: 12px;
    }

    .compatibility-container .list-link span {
        margin-right: 6px;
    }

    /* compatibility-table  */
    .compatibility-table {
        height: 600px;
        margin-top: 30px;
        border-radius: 8px;
    }

    .compatibility-table .left-box {
        padding-left: 20px;
    }

    .compatibility-table img {
        width: 100px;
    }

    .compatibility-table th {
        font-size: 14px;
        line-height: 26px;
    }

    .compatibility-table td {
        font-size: 12px;
        line-height: 14px;
        padding: 15px 0;
    }

    .compatibility-table tbody tr td:last-child {
        font-size: 12px;
        line-height: 15px;
    }

    /* compatibility-table scroll */
    .compatibility-table::-webkit-scrollbar {
        width: 5px;
        height: 5px;
    }

    /* system-setup */
    .system-setup {
        padding-top: 75px;
    }

    .setup-intro {
        padding: 0 20px;
    }

    .setup-intro p {
        margin-top: 35px;
        margin-bottom: 50px;
    }

    /* tabs */
    .setup-tab .tab-pane {
        padding: 0 20px;
    }

    .setup-tab .tab-pane img {
        border-radius: 8px;
    }

    .setup-tab .nav {
        margin-top: 35px;
        padding: 0 20px;
        --bs-nav-link-padding-x: 20px;
        --bs-nav-link-padding-y: 17px;
    }

    .setup-tab .nav .nav-item {
        flex: 50%;
        display: flex;
        align-items: center;
        justify-content: center;
    }

    .setup-tab .nav .nav-item button {
        font-size: 14px;
    }

    /* setup-wrapper */
    .setup-wrapper {
        padding: 75px 20px 0;
    }

    .setup-wrapper h6 {
        font-size: 15px;
        line-height: 26px;
        margin-bottom: 50px;
    }

    .setup-wrapper img {
        border-radius: 8px;
    }

    /* setup-hopping */
    .setup-hopping {
        padding-top: 100px;
    }

    .hopping-intro {
        padding: 0 20px;
    }

    .hopping-intro p {
        margin-top: 35px;
        margin-bottom: 50px;
    }

    /* system-range */
    .system-range {
        padding-top: 0;
    }

    .system-transmission {
        padding-top: 75px;
    }

    .transmission-intro {
        padding: 0 20px;
    }

    .transmission-intro p {
        margin-top: 35px;
        margin-bottom: 30px;
    }

    .transmission-container {
        height: 60vh;
    }

    .transmission-container h1 {
        font-size: 25px;
    }

    .transmission-container .transmission-image {
        width: calc(100% - 40px);
        height: calc(60vh - 150px);
    }

    .transmission-container .transmission-image .current-image {
        width: 100vw;
        height: 60vh;
    }

    /* system-support */
    .system-support {
        padding-top: 90px;
    }

    .support-intro {
        padding: 0 20px;
    }

    .support-intro p {
        margin-top: 35px;
        margin-bottom: 50px;
    }

    /* support tab */
    .support-tab .tab-pane img {
        border-radius: 8px;
    }

    .support-tab .nav {
        margin-top: 35px;
        padding: 0 20px;
        --bs-nav-link-padding-x: 20px;
        --bs-nav-link-padding-y: 17px;
    }

    .support-tab .nav .nav-item {
        flex: 50%;
        display: flex;
        align-items: center;
        justify-content: center;
    }

    .support-tab .nav .nav-item button {
        font-size: 14px;
    }

    .system-support>div>p {
        margin-top: 20px;
        padding: 0 15px 75px;
    }

    /* system-battery */
    .system-battery {
        padding: 75px 20px 0;
    }

    .battery-intro p {
        margin-top: 35px;
        margin-bottom: 50px;
    }

    .battery-image img {
        border-radius: 8px;
    }

    .battery-compatibility {
        padding-top: 15px;
        gap: 6px;
    }

    .battery-left {
        padding: 15px;
        border-radius: 8px;
    }

    .battery-left p {
        font-size: 12px;
        margin-top: 15px;
        line-height: normal;
        white-space: wrap;
    }

    .battery-right {
        padding: 15px 10px;
        border-radius: 8px;
    }

    .battery-right .image-box {
        gap: 5px;
    }

    .battery-right .image-box .image-item p {
        font-size: 10px;
        line-height: normal;
        bottom: 6px;
    }

    .battery-right>p {
        font-size: 12px;
        line-height: normal;
        margin-top: 15px;
        padding: 0;
    }

    /* system-weigh */
    .system-weigh {
        padding-top: 100px;
    }

    .weigh-intro {
        padding: 0 20px;
    }

    .weigh-intro p {
        margin-top: 35px;
        margin-bottom: 50px;
    }

    .weigh-image,
    .size-image {
        display: block;
    }

    .weigh-image {
        padding: 0 40px;
    }

    .size-image {
        margin-top: -25px;
        padding: 25px 35px;
        margin: 0 20px;
        border-radius: 8px;
    }

    .weigh-image img,
    .size-image img {
        width: 100%;
    }

    /* system-packing */
    .system-packing {
        padding: 100px 20px 0;
    }

    .system-content>h4 {
        font-size: 24px;
        line-height: 32px;
        margin-bottom: 50px;
    }

    .system-content ul {
        gap: 6px;
    }

    .system-content ul li {
        flex: calc((100% - 6px) / 2);
    }

    .system-content ul li button.active .packing-image {
        border: 2px solid #02A1F9;
    }

    .system-content ul li button .packing-image {
        padding: 12px 0;
        border-radius: 8px;
    }

    .system-content ul li button h5 {
        margin-top: 25px;
        font-size: 14px;
        line-height: 18px;
    }

    .system-packing-list {
        margin-top: 50px;
        gap: 6px;
    }

    .system-packing-list .system-packing-item {
        width: calc((100% - 12px) / 3);
        border-radius: 8px;
    }

    .system-packing-list .system-packing-item img {
        width: 100%;
    }

    .system-packing-list .system-packing-item p {
        height: 60px;
        padding: 0 10px;
        font-size: 12px;
        line-height: 15px;
    }

    /* setup */
    .setup-list {
        padding: 100px 20px 0;
    }

    .setup-header {
        margin-bottom: 50px;
    }

    .setup-header h4 {
        font-size: 24px;
        line-height: 32px;
    }

    .learn-more {
        width: 160px;
        margin: 25px auto 0;
    }

    .learn-more a {
        color: #02A1F9;
        text-align: center;
        font-style: normal;
        font-weight: 500;
        font-size: 14px;
        line-height: 18px;
        display: flex;
        align-items: center;
        justify-content: center;
        text-decoration: none;
    }

    .learn-more a svg {
        margin-left: 7.5px;
        width: 8px;
        height: 10px;
    }

    .setup-list .swiper {
        --swiper-pagination-bullet-horizontal-gap: 4px;
        --swiper-pagination-bullet-width: 8px;
        --swiper-pagination-bullet-height: 8px;
    }

    .setup-list .swiper-wrapper {
        padding-bottom: 50px;
    }

    .setup-list .swiper-slide a {
        border-radius: 8px;
        overflow: hidden;
    }

    .setup-list .swiper-slide p {
        height: 45px;
        font-size: 12px;
        line-height: 15px;
        padding: 0 10px;
        margin: 10px 0;
    }

    /* specifications */
    .system-specifications {
        padding: 100px 20px 75px;
    }

    .system-specifications-header {
        flex-direction: column;
        margin-bottom: 25px;
    }

    .system-specifications-header h4 {
        width: 100%;
        text-align: left;
        margin-bottom: 35px;
        font-size: 24px;
        line-height: 32px;
    }

    .system-specifications-header ul {
        border-radius: 25px;
        padding: 0 3px;
        width: 206px;
    }

    .system-specifications-header ul::after {
        content: "";
        position: absolute;
        top: 3px;
        left: 3px;
        width: 100px;
        height: calc(100% - 6px);
        border-radius: 25px;
    }

    .system-specifications-header ul li {
        font-size: 12px;
        line-height: 24px;
        padding: 3px 0;
    }

    .system-desc-item {
        padding: 25px 0;
    }

    .system-desc-item h6 {
        font-size: 14px;
        line-height: 18px;
    }

    .system-desc-item p {
        font-size: 14px;
        line-height: 18px;
    }

    .system-desc-item h6,
    .system-desc-item p {
        flex: 50%;
    }
}