/* banner区域 */
.banner {
    width: 100%;
    height: 100vh;
    position: relative;
    display: flex;
    align-items: center;
    justify-content: center;
    text-align: center;
    color: white;
    overflow: hidden;
    /* 确保在所有浏览器中正确显示 */
    max-width: 100vw;
}

.banner-bg {
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background-repeat: no-repeat;
    background-size: cover;
    z-index: -2;
}

.container {
    width: 100%;
    max-width: 1440px;
    margin: 0 auto;
    position: relative;
}

.banner-content {
    z-index: 1;
    text-align: left;
    position: absolute;
    top: 50%;
    left: 0;
    width: 68rem;
    transform: translateY(-50%);
    margin-top: 32px;
}

.banner-header {
    display: flex;
    align-items: center;
    gap: 2rem;
    margin-bottom: 2rem;
    opacity: 0;
    transform: translateY(5rem);
    animation: fadeInUp 1s ease-out 0.5s forwards;
}

.banner-icon {
    flex-shrink: 0;
}

.banner-icon img {
    width: 8rem;
    height: 8rem;
    display: block;
}

.banner-title-group {
    flex: 1;
}

.banner-title {
    font-size: 3.6rem;
    font-weight: bold;
    line-height: 1.2;
    text-align: left;
}

.banner-subtitle {
    font-size: 2.4rem;
    margin: 0;
    text-align: left;
}

.banner-description {
    font-size: 1.4rem;
    line-height: 1.8;
    margin-bottom: 1.5rem;
    opacity: 0;
    transform: translateY(3rem);
    animation: fadeInUp 0.8s ease-out 1s forwards;
    text-align: justify;
}

.banner-buttons {
    display: flex;
    gap: 2rem;
    opacity: 0;
    animation: fadeInUp 0.8s ease-out 1.3s forwards;
    margin-top: 8rem;
}

/* 备用CSS动画 */
@keyframes fadeInUp {
    to {
        opacity: 1;
        transform: translateY(0);
    }
}

.banner-btn {
    color: white;
    text-decoration: none;
    padding: 1.2rem 4rem;
    font-size: 1.8rem;
    /* 18px */
    border-radius: 0.4rem;
    cursor: pointer;
    transition: all 0.3s ease;
    min-width: 14rem;
    text-align: center;
    display: inline-block;
}

/* 按钮样式和交互效果 */
.banner-btn {
    border-radius: 0.5rem;
    background: rgba(255, 255, 255, 0.1);
    border: 0.1rem solid rgba(255, 255, 255, 1);
}

/* 悬停效果 */
.banner-btn:hover {
    background: linear-gradient(90deg, rgba(35, 167, 253, 1) 0%, rgba(253, 26, 226, 1) 100%);
    transform: translateY(-0.3rem);
    color: white;
    border-color: white;
}

/* 点击效果 */
.banner-btn:active {
    transform: translateY(0);
    box-shadow: 0 0.2rem 0.6rem rgba(255, 255, 255, 0.2);
}

/* 按钮波纹效果 */
.banner-btn .ripple {
    position: absolute;
    border-radius: 50%;
    background: rgba(255, 255, 255, 0.1);
    pointer-events: none;
    transform: scale(0);
    animation: ripple-animation 0.6s ease-out;
}

@keyframes ripple-animation {
    to {
        transform: scale(2);
        opacity: 0;
    }
}

/* 产品功能区域 */
.product-features {
    padding: 8rem 0;
    background-color: #F7F8FB;
}

/* 应用场景区域 */
.product-scenes {
    padding: 8rem 0;
    background-color: #F7F8FB;
}

.scenes-card {
    background: #fff;
    border-radius: 2rem;
    padding: 4rem;
    display: flex;
}

.scene-column {
    flex: 1.5;
    padding: 0 3rem;
    position: relative;
    display: flex;
    flex-direction: column;
}

.scene-column:not(:last-child)::after {
    content: '';
    position: absolute;
    right: 0;
    top: 2rem;
    bottom: 2rem;
    border-right: 0.2rem dashed #A2A3A5;
}

.scene-column:first-child {
    flex: 1;
    padding-left: 0;
}

.scene-column:last-child {
    padding-right: 0;
}

.scene-title {
    font-size: 2.4rem;
    color: #333;
    margin-bottom: 2.5rem;
    font-weight: 600;
}

.scene-list {
    list-style: none;
    padding: 0;
    margin: 0 0 3rem 0;
    flex-grow: 1;
}

.scene-list li {
    position: relative;
    padding-left: 2rem;
    margin-bottom: 1.2rem;
    font-size: 1.5rem;
    color: #666;
    line-height: 1.6;
}

.scene-list li::before {
    content: '';
    position: absolute;
    left: 0;
    top: 1rem;
    width: 0.6rem;
    height: 0.6rem;
    background-color: #4A90E2;
    border-radius: 50%;
}

.scene-image-box {
    text-align: center;
    margin-top: auto;
}

.scene-image-box img {
    max-width: 100%;
    height: auto;
    margin-bottom: 1.5rem;
}

.scene-caption {
    font-size: 1.4rem;
    color: #333;
    font-weight: 500;
}

/* 产品功能区域 */
.product-features {
    padding: 8rem 0;
    background-color: #F7F8FB;
}

.section-title {
    font-size: 3.6rem;
    color: #333;
    margin-bottom: 5rem;
    font-weight: bold;
}

.features-container {
    display: flex;
    gap: 1.4rem;
    align-items: flex-start;
    height: 58rem;
}

.features-tabs {
    width: 32rem;
    flex-shrink: 0;
    display: flex;
    flex-direction: column;
    gap: 1.4rem;
    height: 100%;
}

.feature-tab {
    padding: 0.4rem 1.6rem;
    cursor: pointer;
    font-size: 1.8rem;
    color: #333;
    font-weight: bold;
    border-radius: 0.6rem;
    background: #fff;
    transition: all 0.3s ease;
    display: flex;
    align-items: center;
    flex: 1;
}

.feature-tab::before {
    content: "•";
    margin-right: 1.2rem;
    color: #a855f7;
    /* Purple dot */
    font-size: 2.4rem;
    line-height: 0;
    margin-top: -0.2rem;
}

.feature-tab:hover {
    transform: translateX(0.5rem);
}

.feature-tab.active {
    background: linear-gradient(90deg, #3b82f6 0%, #d946ef 100%);
    color: white;
}

.feature-tab.active::before {
    color: white;
}

.features-content {
    flex: 1;
    background: #fff;
    padding: 4rem 2rem;
    border-radius: 1.2rem;
    height: 58rem;
}

.feature-item {
    display: none;
    align-items: center;
    gap: 3rem;
    grid-template-columns: 1fr 1.5fr;
    height: 100%;
}

.feature-item.active {
    display: grid;
    animation: fadeIn 0.5s ease;
}

.feature-text {
    font-size: 1.4rem;
    line-height: 2;
    color: #555;
    text-align: justify;
    display: flex;
    flex-direction: column;
    gap: 2rem;
}

.feature-img {
    width: 100%;
    overflow: hidden;
    height: 100%;
    background: #F7F8FB;
    display: flex;
    justify-content: center;
    align-items: center;
    padding: 2rem;
}

.feature-img img {
    width: 100%;
    height: auto;
    display: block;
    transition: transform 0.5s ease;
}

.feature-img:hover img {
    transform: scale(1.02);
}

@keyframes fadeIn {
    from {
        opacity: 0;
        transform: translateY(1rem);
    }

    to {
        opacity: 1;
        transform: translateY(0);
    }
}

/* 产品优势板块 */
.product-advantages {
    padding: 8rem 0;
    background: linear-gradient(180deg, rgba(247, 248, 251, 1) 0%, rgba(232, 246, 255, 1) 49.74%, rgba(247, 248, 251, 1) 100%);
}

/* 产品资源区域 */
.product-resources {
    padding: 8rem 0;
    background-color: #F7F8FB;
}

.resources-grid {
    display: grid;
    grid-template-columns: repeat(4, 1fr);
    gap: 2rem;
}

.resource-card {
    background: #fff;
    border-radius: 1.2rem;
    padding: 4rem 3rem;
    position: relative;
    transition: all 0.3s ease;
    height: 14rem;
    display: flex;
    align-items: center;
    cursor: pointer;
}

.resource-card:hover {
    transform: translateY(-0.8rem);
    box-shadow: 0 1.2rem 3rem rgba(0, 0, 0, 0.08);
}

.resource-card:hover .download-link {
    color: #3b82f6;
    transform: translateY(0.2rem);
}

.resource-tag {
    position: absolute;
    top: 2rem;
    right: 0;
    border-radius: 0.4rem 0 0 0.4rem;
    background: linear-gradient(90deg, rgba(35, 167, 253, 1) 0%, rgba(253, 26, 226, 1) 100%);
    color: white;
    font-size: 1.2rem;
    padding: 0.2rem 1.8rem;
    font-weight: 500;
}

.resource-content h3 {
    font-size: 1.8rem;
    color: #333;
    margin: 0;
    font-weight: 500;
    line-height: 1.4;
}

.download-link {
    position: absolute;
    bottom: 1.4rem;
    right: 1.4rem;
    color: #666;
    transition: all 0.3s ease;
    display: flex;
    align-items: center;
    justify-content: center;
}

.download-icon {
    font-size: 2.2rem;
}

@media (max-width: 76.8rem) {
    .resources-grid {
        grid-template-columns: 1fr;
    }

    .resource-card {
        height: 14rem;
        padding: 3rem;
    }
}

.product-advantages .section-title {
    margin-bottom: 6rem;
}

.advantages-grid {
    display: flex;
    gap: 2.2rem;
    padding-bottom: 1rem;
    align-items: stretch;
}

.advantages-grid::-webkit-scrollbar {
    display: none;
}

.advantages-grid {
    -ms-overflow-style: none;
    scrollbar-width: none;
}

.advantage-card {
    background: #fff;
    padding: 10rem 3.6rem 14rem;
    border-radius: 2rem;
    text-align: center;
    transition: all 0.4s cubic-bezier(0.165, 0.84, 0.44, 1);
    display: flex;
    flex-direction: column;
    align-items: center;
    flex: 1;
    min-width: 22rem;
}

.advantage-card:hover {
    transform: translateY(-1.2rem);
    background: linear-gradient(90deg, rgba(35, 167, 253, 1) 0%, rgba(253, 26, 226, 1) 100%);
    box-shadow: 0 1rem 4rem rgba(0, 0, 0, 0.03);
}

.advantage-card:hover .advantage-info h3,
.advantage-card:hover .advantage-info p {
    color: #fff;
}

/* 图标切换 */
.advantage-icon .hover-icon {
    display: none;
}

.advantage-card:hover .advantage-icon .normal-icon {
    display: none;
}

.advantage-card:hover .advantage-icon .hover-icon {
    display: block;
}

.advantage-card:hover .svg-icon * {
    stroke: #fff !important;
}

/* 针对没有填充的元素保持无填充，有填充的元素变为白色 */
.advantage-card:hover .svg-icon circle,
.advantage-card:hover .svg-icon ellipse,
.advantage-card:hover .svg-icon path:not([fill]),
.advantage-card:hover .svg-icon rect:not([fill]) {
    fill: none !important;
}

.advantage-card:hover .svg-icon rect[fill^="url"],
.advantage-card:hover .svg-icon path[fill^="url"] {
    fill: #fff !important;
}

.advantage-card:hover .svg-icon line {
    fill: none !important;
}

.svg-icon {
    width: 8rem;
    height: 8rem;
}

.advantage-info h3 {
    font-size: 2.2rem;
    margin-bottom: 0.8rem;
    font-weight: 600;
    transition: color 0.3s ease;
}

.advantage-info p {
    font-size: 1.5rem;
    line-height: 1.8;
    color: #666;
    text-align: justify;
    transition: color 0.3s ease;
}

.svg-icon * {
    transition: all 0.3s ease;
}

.advantage-card .advantage-icon {
    width: 10rem;
    height: 10rem;
    margin-bottom: 6rem;
    display: flex;
    align-items: center;
    justify-content: center;
}

.advantage-icon img {
    width: 100%;
    height: 100%;
    object-fit: contain;
}

/* 图标切换 */
@media (max-width: 120rem) {}

@media (max-width: 76.8rem) {
    .advantage-card {
        padding: 4rem 2rem;
    }
}

/* 案例故事区域 */
.case-stories {
    padding: 8rem 0;
    background-color: #F7F8FB;
}

.cases-grid {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: 3rem;
}

.case-card {
    background: #fff;
    border-radius: 2.4rem;
    overflow: hidden;
    transition: all 0.4s cubic-bezier(0.165, 0.84, 0.44, 1);
    display: flex;
    flex-direction: column;
    position: relative;
}

.case-card:hover {
    transform: translateY(-1.2rem);
    box-shadow: 0 3rem 6rem rgba(0, 0, 0, 0.08);
}

.case-image {
    width: 100%;
    height: 30rem;
    overflow: hidden;
    position: relative;
}

.case-image img {
    width: 100%;
    height: 100%;
    object-fit: cover;
    transition: transform 0.6s ease;
}

.case-content {
    padding: 2.8rem;
    flex: 1;
    display: flex;
    flex-direction: column;
    background: #fff;
    margin-top: -3rem;
    border-radius: 2.4rem;
    position: relative;
    z-index: 2;
}

.case-content h3 {
    font-size: 2.4rem;
    color: #333;
    margin-bottom: 1.2rem;
    font-weight: bold;
    line-height: 1.2;
    white-space: nowrap;
    overflow: hidden;
    text-overflow: ellipsis;
}

.case-content p {
    font-size: 1.4rem;
    line-height: 1.8;
    color: #666;
    margin-bottom: 6rem;
    flex: 1;
    opacity: 0.9;
    display: -webkit-box;
    -webkit-box-orient: vertical;
    -webkit-line-clamp: 5;
    overflow: hidden;
    width: 100%;
}

.case-footer {
    margin-top: auto;
}

.gradient-line {
    height: 0.2rem;
    width: 100%;
    background: linear-gradient(90deg, #23A7FD 0%, #FD1AE2 100%);
    margin-bottom: 2.5rem;
    border-radius: 0.1rem;
    opacity: 0.8;
}

.case-footer .case-detail {
    display: inline-flex;
    align-items: center;
    color: #8C8C8C;
    text-decoration: none;
    font-size: 1.4rem;
    transition: all 0.3s ease;
    background: #EDF0F5;
    padding: 1rem 2.4rem;
    border-radius: 3rem;
    width: fit-content;
    font-weight: 500;
}

.case-detail:hover {
    color: #666;
    background: #E5E8ED;
}

.case-detail .arrow {
    margin-left: 0.8rem;
    font-size: 1.2rem;
    line-height: 1;
    font-weight: 400;
}

@media (max-width: 102.4rem) {
    .cases-grid {
        grid-template-columns: repeat(2, 1fr);
    }
}

@media (max-width: 76.8rem) {
    .banner-buttons {
        flex-direction: column;
        width: 100%;
        gap: 1.5rem;
    }

    .banner-btn {
        width: 100%;
        max-width: 30rem;
        padding: 1.2rem 2rem;
    }

    .cases-grid {
        grid-template-columns: 1fr;
    }
}

.js-download-btn{

}