:root {
    --primary-color: #c00;
    --secondary-bg: rgba(247, 247, 247, 1);
    --spacing-lg: 5rem;
    --spacing-md: 2rem;
    --spacing-sm: 1rem;
    --table-border: 2px solid rgba(199, 199, 199, 1);
}

.main-container {
    overflow: hidden;
    margin-bottom: 6vh;
}

/* Nav Style */
#header-container .nav{
   background: transparent;
   transition: all 0.2s ease;
}

#header-container .nav:hover {
  background: url("/images/nav-bg.jpg") no-repeat center / cover !important;
}

#header-container .nav .menu .split-line {
    color: transparent;
}

#header-container .nav:hover .menu .split-line{
    color: var(--color-primary-11);
}

/* Banner Style */
.main {
    width: 100vw;
    height: auto;
    display: flex;
}

.main .bg {
    width: 100vw;
    height: auto;
    display: block;
    margin: 0 auto;
    overflow: hidden;
    position: relative;
    z-index: 1;
    object-fit: contain;
}

.main-box {
    width: 42vw;
    position: absolute;
    top: calc(50% - 5rem);
    left: 7rem;
    z-index: 10;
    transform: translateY(-50%);
}

.main-box .top{
    display: flex;
    justify-content: flex-start;
    gap: 2rem;
    align-items: center;
}


.main-box .top .power{
    border: 1px solid rgba(255, 255, 255, 0.4);
    padding: 0.2rem 0.6rem;
    border-radius: 0.2rem;
    font-size: 0.9rem;
    color: rgba(255,255,255, 0.7);
}

.main-box .tag-feature {
    display: flex;
    align-items: center;
    justify-content: flex-start;
    gap: 2rem;
    color: #fff;
    font-size: 1.05rem;
    font-weight: 700;
    margin-top: 1rem;
}

.main-box .tag-feature .four {
    width: 120px;
    height: 54px;
    background: url("/images/product/fourWord.svg") no-repeat center / cover;
    position: relative;
    display: flex;
    justify-content: flex-end;
    align-items: center;
    padding-right: 1em;
}

.main-box .tag-feature .five {
    width: 140px;
    height: 54px;
    background: url("/images/product/fiveWord.svg") no-repeat center / cover;
    position: relative;
    display: flex;
    justify-content: flex-end;
    align-items: center;
    padding-right: 1rem;
}

.main-box .main-title {
    font-size: 1.5rem;
    line-height: 2;
    font-weight: 550;
    color: var( --color-primary-2);
}

.main-box .main-version {
    font-size: 3.5rem;
    font-weight: 600;
    line-height: 2;
    color: var( --color-primary-2);
}

.main-box .main-version.cam {
    font-size: 3.5rem;
}

.main-box .main-content {
    box-sizing: border-box;
    line-height: 2;
    font-size: 1.125rem;
    color: var(--color-primary-5);
    letter-spacing: 0.05em;
    text-align: justify;
    margin-top: 1.625rem;
    padding-right: 2rem;
}


.main-mobile .tag-feature {
    display: flex;
    align-items: center;
    justify-content: center;
    gap: 2rem;
    color: #fff;
    font-size: 1.05rem;
    font-weight: 700;
}

.main-mobile .tag-feature .four {
    width: 7rem;
    height: 3.475rem;
    background: url("/images/product/fourWord.svg") no-repeat center / cover;
    position: relative;
    display: flex;
    justify-content: flex-end;
    align-items: center;
    padding-right: 0.6em;
}

.main-mobile .tag-feature .five {
    width: 7.8125rem;
    height: 3.375rem;
    background: url("/images/product/fiveWord.svg") no-repeat center / cover;
    position: relative;
    display: flex;
    justify-content: flex-end;
    align-items: center;
    padding-right: 0.5rem;
}

.main-mobile {
    width: 100vw;
    height: auto;
    margin-top: 4.375rem;
    margin-bottom: 4.25rem;
}

.main-mobile .pic {
    width: 100%;
    height: auto;
}

.main-mobile .pic img {
    display: block;
    width: 100%;
    height: auto;
    objet-fit: contain;
    animation: fadeIn 0.3s ease-in;
}

.main-mobile .box {
    width: 100%;
    height: auto;
    background:
        linear-gradient(
            45deg,
            rgba(20, 20, 20, 0.95) 0%,
            rgba(40, 40, 40, 0.95) 50%,
            rgba(20, 20, 20, 0.95) 100%
        ),
        repeating-linear-gradient(
            -45deg,
            rgba(255, 255, 255, 0.03) 0px,
            rgba(255, 255, 255, 0.03) 2px,
            transparent 2px,
            transparent 4px
        ),
        radial-gradient(
            circle at 50% 50%,
            rgba(80, 80, 80, 0.2) 0%,
            rgba(0, 0, 0, 0.8) 100%
        );
    animation: metal-shine 4s infinite linear;
    opacity: 0.98;
    padding: 1.6rem 1.8rem;
    text-align: center;
    margin-top: -1px;
}

@keyframes metal-shine {
    0% {
        background-position: 0 0;
    }
    100% {
        background-position: 100vw 240px;
    }
}

/* 移动端 */
.main-mobile .box .title {
    color: var(--color-primary-2);
    font-size: 1.8rem;
    font-weight: 600;
    line-height: 1.75;
}

.main-mobile .box .sub-title1 {
    color: var(--color-primary-2);
    font-size: 1.3rem;
    line-height: 1.75;
    font-weight: 600;
}

.main-mobile .box .sub-title2 {
    color: var(--color-primary-6);
    font-size: 1rem;
    line-height: 2;
}


.main-mobile .box .content {
    color: var(--color-primary-6);
    line-height: 1.85;
    margin-top: 0.8rem;
    text-align: justify;
}

/* 配套硬件 */
.kit-hard-container {
    width: 88vw;
    margin: 5rem auto !important;
}

.kit-hard-container .section-title {
    text-align: center;
    font-size: 2.5rem;
    margin-bottom: 5rem;
    font-weight: 600;
}

.kit-hard-container .content-section {
    display: flex;
    gap: var(--spacing-lg);
}

.kit-hard-container .left-container,
.kit-hard-container .right-container {
    flex: 1;
    display: flex;
    background-color: #fff;
}

.kit-hard-container .right-container {
    display: flex;
    justify-content: center;
    align-items: center;
}

.kit-hard-container .text-content {
    line-height: 1.8;
    color: #303030;
    margin-bottom: var(--spacing-md);
    font-size: 1.25rem;
}

.kit-hard-container .image-container {
    display: flex;
    justify-content: space-between;
    margin-top: auto;
    gap: 2rem;
    width: 100%;
    height: 100%;
    overflow: hidden;
}

.kit-hard-container .image-wrapper {
    width: calc(50% - 1rem);
    height: 200px;
    overflow: hidden;
    border-radius: 5px;
}

.kit-hard-container .hardware-image {
    width: 100%;
    height: 100%;
    transition: transform 0.5s ease;
}

.kit-hard-container .hardware-image2 {
    width: 100%;
    height: 17.5rem;
    transition: transform 0.5s ease;
}

.kit-hard-container:hover .hardware-image2 {
    transform: scale(1.05);
}

.kit-hard-container .image-wrapper:hover .hardware-image {
    transform: scale(1.05);
}

.kit-hard-container .table-container {
    width: 100%;
    height: 100%;
    display: flex;
    flex-direction: column;
}

.kit-hard-container .spec-table {
    width: 100%;
    height: 100%;
    border-collapse: collapse;
    table-layout: fixed;
    flex-grow: 1;
    font-size: 20px;
}

.kit-hard-container .spec-table td {
    border: var(--table-border);
    text-align: center;
    vertical-align: middle;
    padding: 0.8rem;
    height: 33.33%;
}

.kit-hard-container .spec-table tr:first-child td {
    font-weight: 700;
}

.kit-hard-container .spec-table tr td:nth-child(even) {
    background-color: var(--secondary-bg);
}

.kit-hard-container .spec-table tr:first-child td:first-child {
    border-top: var(--table-border);
    border-left: var(--table-border);
    background-color: transparent;
}

.kit-hard-container .product-cell {
    display: flex;
    flex-direction: column;
    justify-content: center;
    align-items: center;
}

.kit-hard-container .product-name {
    color: var(--primary-color);
    font-weight: 700;
    margin-bottom: 0.3rem;
}

.kit-hard-container .bottom-image {
    width: 100%;
    height: auto;
    display: block;
}

/* 响应式设计 */
@media (max-width: 992px) {
    .kit-hard-container .content-section {
        flex-direction: column;
        gap: var(--spacing-md);
    }

    .kit-hard-container .left-container, .right-container {
        width: 100%;
    }

    .kit-hard-container .section-title {
        font-size: 2rem;
        margin: 3rem 0;
    }

    .kit-hard-container .image-wrapper {
        height: 180px;
    }

    .kit-hard-container .spec-table {
        font-size: 18px;
    }
}

@media (max-width: 576px) {
    .kit-hard-container {
        width: 88vw !important;
    }

    .kit-hard-container .section-title {
        font-size: 2rem;
        margin-bottom: 3rem !important;
    }

    .kit-hard-container .image-wrapper {
        height: 110px;
    }

    .kit-hard-container .text-content {
        font-size: 16px;
    }

    .kit-hard-container .content-section {
        gap: var(--spacing-md);
        margin-bottom: 0rem;
    }
}

/* 亮点功能 */
.features-container {
    width: 88vw;
    margin: 5rem auto;
}

.features-container .section-title {
    text-align: center;
    font-size: 2.5rem;
    color: #333;
    font-weight: 700;
}

.features-container .section-desc {
    display: block;
    font-size: 1rem;
    text-align: center; 
    color: rgba(192,0,0, 0.7);
    margin-top: .625rem;
    margin-bottom: 5rem;
    cursor: pointer;
    text-decoration: underline;
}

.features-container .section-desc:hover {
    color: rgba(192,0,0, 1);
}

.features-container .cards-container {
    display: flex;
    flex-wrap: wrap;
    justify-content: space-between;
    gap: 3rem;
}

.features-container .feature-card {
    display: flex;
    height: 20rem;
    background: white;
    border-radius: .0313rem;
    overflow: hidden;
    box-shadow: 0 4px 12px rgba(0, 0, 0, 0.1);
    transition: transform 0.5s ease, box-shadow 0.5s ease;
    opacity: 0;
    transform: translateX(-50px);
    width: 47.6% !important;
    background-color: #fff;
}

.features-container .feature-card:nth-child(even) {
    transform: translateX(50px);
}

.features-container .feature-card.visible {
    opacity: 1;
    transform: translateX(0) !important;
}

.features-container .feature-card:hover {
    transform: translateY(-5px);
    box-shadow: 0 8px 20px rgba(0, 0, 0, 0.15);
}

.features-container .card-media {
    width: 60%;
    height: 100%;
    overflow: hidden;
    position: relative;
    border-radius: 5px 0 0 5px;
    background-color: #fff;
}

.features-container .card-media img,
.features-container .card-media video {
    width: 100%;
    height: 100%;
    object-fit: cover;
    display: block;
    border-radius: 5px 0 0 5px;
    transition: transform 0.8s ease;
}

.features-container .card-media img:hover {
    transform: scale(1.05);
}

.features-container .card-content {
    width: 40%;
    padding: 30px;
    display: flex;
    flex-direction: column;
    justify-content: center;
}

.features-container .card-title {
    font-size: 24px;
    color: #303030;
    font-weight: 700;
    margin-bottom: 20px;
    transition: color 0.3s ease;
}

.features-container .feature-card:hover .card-title {
    color: #c00;
}

.features-container .card-description {
    font-size: 1.25rem;
    color: #545454;
    font-weight: 400;
    line-height: 1.5;
}

@media (max-width: 968px) {
    .features-container {
        margin: 3rem auto;
    }

    .features-container .cards-container {
        gap: 2rem;
    }

    .features-container .section-title {
        text-align: center;
        font-size: 2rem;
        color: #333;
        font-weight: 700;
    }

    .features-container .section-desc {
        text-align: center; 
        color: rgba(192,0,0, 0.7);
        margin-top: 0 !important;
        margin-bottom: 2rem;
        cursor: pointer;
        text-decoration: underline;
    }

    .features-container .feature-card {
        width: 100% !important;
        flex-direction: column;
        height: auto;
    }

    .features-container .card-media {
        width: 100%;
        height: 14rem !important;
        border-radius: 5px 5px 0 0;
    }

    .features-container .card-media img,
    .features-container .card-media video {
        border-radius: 5px 5px 0 0;
    }

    .features-container .card-content {
        width: 100%;
        padding: 1.25rem;
    }

    .features-container .feature-card {
        transform: translateY(50px) !important;
    }

    .features-container .card-content {
        width: 100%;
        padding: 20px;
    }

    .features-container .card-title {
        font-size: 1.4rem;
        color: rgba(51, 51, 51, 1);
        font-weight: 700;
        margin-bottom: 5px;
        transition: color 0.3s ease;
    }

    .features-container .card-description {
        font-size: 16px;
        color: rgba(51, 51, 51, 1);
        font-weight: 400;
        line-height: 1.5;
    }
}

/* 增值选配 */
.attach-container {
    width: 88vw;
    height: auto;
    margin: 5rem auto 3.75rem;
}

.attach-container .section-title {
    text-align: center;
    font-size: 2.5rem;
    margin: 5rem 0;
    font-weight: 600;
}

.value-added-container {
    width: 100%;
    height: 20rem;
    background:rgba(241, 241, 241, 1);
    border-radius: 5px;
    display: flex;
    overflow: hidden;
    transition: transform 0.3s ease, box-shadow 0.3s ease;
    position: relative;
    gap: 5rem;
    justify-content: center;
}

.value-added-container:hover {
    transform: translateY(-5px);
    box-shadow:5px 5px 10px rgba(0, 0, 0, 0.15);
}

.value-added-container .left-section {
    display: flex;
    justify-content: flex-end;
    align-items: center;
    background: transparent;

}

.value-added-container .product-box {
    width: 20rem;
    display: flex;
    flex-direction: column;
    align-items: center;
    padding: .9375rem;
    height: 100%;
    justify-content: center;
    transition: all 0.3s ease;
}

.value-added-container .product-image-container {
    width: 100%;
    height: 13.5rem;
    display: flex;
    justify-content: center;
    align-items: center;
    overflow: hidden;
}

.value-added-container .product-image {
    width: auto;
    height: 90%;
    object-fit: contain;
    transition: transform 0.5s ease;
}

.value-added-container .product-name {
    font-size: 1rem;
    font-weight: 600;
    margin-bottom: 4px;
    color: #404040;
    text-align: center;
}

.value-added-container .product-desc {
    font-size: 1rem;
    color:  #404040;
    text-align: center;
    font-weight: 600;
}

.value-added-container .product-box:nth-child(3) .product-name,
.value-added-container .product-box:nth-child(3) .product-desc {
    color: #c00;
}

.value-added-container .middle-section {
    display: flex;
    flex-direction: column;
    align-items: center;
    justify-content: center;
    padding: 0rem 1rem;
    position: relative;
    overflow: hidden;
    width: 5rem;
}

.value-added-container .arrow-svg {
    width: 2.5rem;
    height: 2.5rem;
    margin-bottom: 0px;
    position: absolute;
    top: 0;
    left: 0;
    animation: arrow-animation .7s infinite alternate;
}

@keyframes arrow-animation {
    0% {
        left: 0.5rem;
    }
    100% {
        left: 1rem;
    }
}

.value-added-container .purchase-text {
    margin-top: 2.5rem;
    font-size: 1rem;
    font-weight: normal;
    color: #797979;
}

.value-added-container .right-section {
    width: 20rem;
    background: transparent;
    display: flex;
    flex-direction: column;
    justify-content: center;
    position: relative;
    overflow: hidden;
}

.value-added-container .main-title {
    font-size: 3.3rem;
    font-weight: 800;
    color: #c00;
    line-height: 1;
    margin-bottom: 1rem;
    letter-spacing: -2px;
    position: relative;
    z-index: 2;
    white-space: nowrap !important;
}

.value-added-container .subtitle {
    font-size: 1.25rem;
    color: #333;
    margin-bottom: 2rem;
    font-weight: 500;
    position: relative;
    z-index: 2;
}

.value-added-container .detail-btn {
    display: inline-block;
    padding: .45rem 1.275rem;
    background-color: transparent;
    border: 1px solid rgba(192,0,0, 0.9);
    color: rgba(192,0,0, 0.9);
    text-decoration: none;
    border-radius: 1.875rem;
    font-weight: bold;
    transition: all 0.3s ease;
    width: fit-content;
    position: relative;
    z-index: 2;
}

.value-added-container .detail-btn:hover {
    transform: translateX(5px);
}

@media (max-width: 1200px) {
    .value-added-container .main-title {
        font-size: 60px;
    }
}

@media (max-width: 992px) {
    .attach-container {
        box-sizing: border-box;
        width: 90vw;
    }

    .attach-container .section-title {
        text-align: center;
        font-size: 2rem;
        margin-top: -1rem;
        margin-bottom: 2.5rem;
        font-weight: 600;
    }

    .value-added-container {
        display: flex;
        flex-direction: column;
        align-items: flex-end;
        height: auto;
        gap: 0rem;
    }

    .value-added-container .left-section, .value-added-container .right-section {
        width: 100%;
        padding-top: 2rem;
        padding-bottom: 1rem;
    }

    .value-added-container .circle {
        display: none;
    }


    .value-added-container .left-section {
        padding: 0;
        order: 1;
    }

    .value-added-container .right-section{
        padding-top: 20px;
        order: 0;
    }

    .value-added-container .product-box {
        padding: 0px;
        height: 12.75rem;
    }

    .value-added-container .product-image-container {
        height: 100px !important;
        margin-bottom: .3125rem;
    }

    .value-added-container .product-image {
        max-height: 100px;
    }

    .value-added-container .product-name,
    .value-added-container .product-desc {
        font-size: 0.9rem;
    }

    .value-added-container .arrow-svg {
        width: 30px;
        height: 30px;
        margin-bottom: 0px;
    }

    .value-added-container .purchase-text {
        font-size: 0.85rem;
    }

    .value-added-container .main-title {
        font-size: 1.9rem;
        text-align: center;
    }

    .value-added-container .subtitle {
        font-size: 16px;
        margin-bottom: 20px;
        text-align: center;
    }

    .value-added-container .detail-btn {
        display: inline-block;
        padding: .625rem 1.25rem;
        font-size: 1.05rem;
        color: 1px solid rgba(192,0,0, 0.9);
        border: 1px solid rgba(192,0,0, 0.9);
        margin: 0 auto;
    }

     .value-added-container .left-section {
        padding: 0 !important;
    }

    .value-added-container .product-box {
        padding: 3px;
    }
}

/* 软件下载和联系我们 */
.layout-container {
    width: 88vw;
    margin: 5rem auto 3.75rem;
}

.layout-container .section-title {
    text-align: center;
    font-size: 2.5rem;
    margin: 5rem 0;
    color: rgba(26, 26, 26, 1);
    font-weight: 600;
    letter-spacing: 1px;
}

.layout-container .cards-container {
    display: flex;
    justify-content: center;
    flex-wrap: wrap;
    gap: 5rem;
}

.layout-container .card {
    background: white;
    border-radius: 5px;
    overflow: hidden;
    box-shadow: 0 8px 25px rgba(0, 0, 0, 0.2);
    transition: all 0.35s cubic-bezier(0.175, 0.885, 0.32, 1.275);
    width: 40%;
    max-width: 20rem;
    height: 18rem;
    display: flex;
    flex-direction: column;
    align-items: center;
    text-align: center;
    position: relative;
    cursor: pointer;
    padding: 1.5625rem .9375rem;
}

.layout-container .card:hover {
    box-shadow: 0 15px 35px rgba(192, 0, 0, 0.15);
}

.layout-container .card::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 4px;
    background: #C00000;
    transform: scaleX(0);
    transform-origin: left;
    transition: transform 0.4s ease;
}

.layout-container .card:hover::before {
    transform: scaleX(1);
}

.layout-container .card-icon {
    display: flex;
    justify-content: center;
    align-items: center;
    height: 10rem;
    width: 10rem;
    margin-bottom: .2rem;
    transition: transform 0.4s ease;
}

.layout-container .card-icon svg{
    width: 6rem;
    height: 6rem;
}

.layout-container .card:hover .card-icon {
    transform: scale(1.1);
}

.layout-container .card-content {
    display: flex;
    flex-direction: column;
    justify-content: center;
    align-items: center;
}

.layout-container .card:hover .card-title,
.layout-container .card:hover .card-subtitle {
    color: #C00000;
}

.layout-container .card-title {
    font-size: 1.2rem;
    font-weight: 600;
    margin-bottom: .375rem;
    color: #303030;
    line-height: 1.3;
    transition: color 0.3s ease;
}

.layout-container .card-subtitle {
    color: #303030;
    line-height: 1.5;
    font-size: 1.2rem;
    transition: color 0.3s ease;
    font-weight: 700;
}

.layout-container .contact-card {
    width: 20rem;
    height: 18rem;
}


.layout-container .qrcode-card{
    cursor: auto;
}

.layout-container .contact-card .card-icon {
    height: 11rem;
    width: 10rem;
    margin-bottom: 0rem;
}

.layout-container .qr-code {
    width: 7rem;
    height: 7rem;
    background: #f5f5f5;
    display: flex;
    justify-content: center;
    align-items: center;
    border-radius: .5px;
    overflow: hidden;
    box-shadow: 0 4px 8px rgba(0,0,0,0.08);
}

.layout-container .qr-code img {
    width: 100%;
    height: 100%;
    object-fit: cover;
}

/* 响应式设计 */
@media (max-width: 1200px) {
    .layout-container .cards-container {
        gap: 2.5rem;
    }
}

@media (max-width: 768px) {
    .layout-container {
        width: 88vw;
    }
    .layout-container .cards-container {
        gap: 1rem !important;
        justify-content: space-around;
    }

    .layout-container .card {
        width: 12rem !important;
        height: 12rem !important;
    }

    .layout-container .section-title {
        font-size: 2rem !important;
        margin: 3rem 0 !important;
    }

    .layout-container .card-icon {
        margin-bottom: .5125rem;
    }

    .layout-container .card-icon svg {
        width: 4.5rem !important;;
        height: 4.5rem !important;;
    }

    .layout-container .contact-card .card-icon {
        height: 9rem;
        width: 9rem;
    }

    .layout-container .card-title {
        font-size: 1.1rem;
        margin-bottom: .375rem !important;
    }

    .layout-container .card-subtitle{
        font-size: 1.1rem;
    }

    .layout-container .qr-code {
        width: 6rem;
        height: 6rem;
    }
}