/* 产品详情页样式 */

:root {
    --primary-color: #4a90e2;
    --primary-dark: #357abd;
    --primary-light: #7cb9f2;
    --text-color: #333;
    --light-text: #666;
    --white: #fff;
    --gray-bg: #f5f7fa;
    --border-color: #e0e0e0;
    --section-spacing: 80px;
}

/* 动画效果 */
@keyframes fadeInUp {
    from {
        opacity: 0;
        transform: translateY(30px);
    }
    to {
        opacity: 1;
        transform: translateY(0);
    }
}

@keyframes fadeInLeft {
    from {
        opacity: 0;
        transform: translateX(-30px);
    }
    to {
        opacity: 1;
        transform: translateX(0);
    }
}

@keyframes fadeInRight {
    from {
        opacity: 0;
        transform: translateX(30px);
    }
    to {
        opacity: 1;
        transform: translateX(0);
    }
}

section {
    opacity: 0;
    transition: all 0.8s ease;
}

section.animated {
    opacity: 1;
}

.feature-card {
    opacity: 0;
    transform: translateY(20px);
    transition: all 0.5s ease;
    /* background: #f8f9fa; */
    border-radius: 16px;
    transition: all 0.4s ease;
    position: relative;
    height: 280px; /* 设置固定高度，与原文字卡片一致 */
    background: rgba(255, 255, 255, 0.7);
    backdrop-filter: blur(10px);
    -webkit-backdrop-filter: blur(10px);
    border: 1px solid rgba(255, 255, 255, 0.3);
}

.feature-card.animated {
    opacity: 1;
    transform: translateY(0);
}

.feature-detail-item:nth-child(odd) .feature-detail-image {
    opacity: 0;
    transform: translateX(-30px);
    transition: all 0.7s ease;
}

.feature-detail-item:nth-child(odd) .feature-detail-content {
    opacity: 0;
    transform: translateX(30px);
    transition: all 0.7s ease 0.2s;
}

.feature-detail-item:nth-child(even) .feature-detail-image {
    opacity: 0;
    transform: translateX(-30px);
    transition: all 0.7s ease;
}

.feature-detail-item:nth-child(even) .feature-detail-content {
    opacity: 0;
    transform: translateX(-30px);
    transition: all 0.7s ease 0.2s;
}

section.animated .feature-detail-item .feature-detail-image,
section.animated .feature-detail-item .feature-detail-content {
    opacity: 1;
    transform: translateX(0);
}

/* 视频展示区 */
.video-showcase {
    margin-bottom: var(--section-spacing);
    position: relative;
    background: transparent;
}

.video-container {
    width: 100%;
    background-color: rgba(255, 255, 255, 0.9);
    border-radius: 8px;
    overflow: hidden;
    box-shadow: 0 15px 30px rgba(0, 0, 0, 0.1);
}

.video-placeholder {
    width: 100%;
    height: 600px;
    background-color: #e0e0e0;
    display: flex;
    justify-content: center;
    align-items: center;
    position: relative;
}

.play-button {
    width: 80px;
    height: 80px;
    background-color: rgba(255, 255, 255, 0.8);
    border-radius: 50%;
    display: flex;
    justify-content: center;
    align-items: center;
    cursor: pointer;
    transition: all 0.3s ease;
}

.play-button i {
    font-size: 30px;
    color: var(--primary-color);
}

.play-button:hover {
    background-color: rgba(255, 255, 255, 1);
    transform: scale(1.05);
}

.product-title {
    text-align: center;
    margin-top: 40px;
}

.product-title h1 {
    font-size: 2.5rem;
    color: #333;
    font-weight: 600;
}

/* 产品介绍 */
.product-intro {
    margin-bottom: var(--section-spacing);
    position: relative;
    /* background: rgba(255, 255, 255, 0.05); */
    backdrop-filter: blur(10px);
    -webkit-backdrop-filter: blur(10px);
}

.intro-content {
    display: flex;
    align-items: center;
    gap: 40px;
    margin: 40px 0;
}

.intro-image {
    flex: 0 0 50%;
    max-width: 50%;
}

.intro-image img {
    width: 100%;
    height: auto;
    border-radius: 8px;
    box-shadow: 0 4px 12px rgba(0, 0, 0, 0.1);
}

.intro-text {
    flex: 0 0 50%;
    max-width: 50%;
    padding: 20px 0;
}

.intro-text p {
    margin-bottom: 20px;
    line-height: 1.6;
    color: #666;
}

/* 核心功能 */
.core-features {
    margin-bottom: var(--section-spacing);
    position: relative;
    /* background: #ffffff; */
    padding-top: 40px;
    padding-bottom: 40px;
}

.section-header {
    text-align: left;
    margin-bottom: 50px;
    position: relative;
    padding-left: 15px;
    display: flex;
    align-items: center;
}

.section-header:before {
    content: '';
    position: absolute;
    left: 0;
    top: 50%;
    transform: translateY(-50%);
    width: 4px;
    height: 50px;
    background-color: var(--primary-color);
}

.section-header h2 {
    font-size: 2rem;
    color: #333;
    position: relative;
    display: inline-block;
    padding-bottom: 0;
    margin: 0;
}

.section-header h2:after {
    display: none;
}

.feature-cards {
    display: grid;
    grid-template-columns: repeat(2, 1fr);
    gap: 30px;
    margin: 40px 0;
}

.feature-card {
    /* background: #f8f9fa; */
    transition: all 0.4s ease;
    position: relative;
    height: 280px; /* 设置固定高度，与原文字卡片一致 */
}

.feature-card.image-card {
    padding: 0;
    overflow: hidden;
}

.feature-card.image-card img {
    width: 100%;
    height: 100%;
    object-fit: cover;
    transition: transform 0.4s ease;
}

.feature-card.text-card {
    background: rgba(255, 255, 255, 0.9);
    border-radius: 0;
    padding: 30px;
    box-shadow: none;
    border: 1px solid rgba(74, 144, 226, 0.1);
    transition: all 0.4s ease;
    display: flex;
    flex-direction: column;
    justify-content: center;
}

.feature-card.text-card:hover {
    transform: translateY(-5px);
    border-color: var(--primary-color);
    background: rgba(255, 255, 255, 0.95);
    box-shadow: 0 12px 25px rgba(74, 144, 226, 0.1);
}

.feature-header {
    margin-bottom: 15px;
    display: flex;
    gap: 20px;
}

.feature-header img{
    width: 60px;
    height: 60px;
}

.feature-header h3 {
    color:  var(--primary-dark);
    font-size: 22px;
    font-weight: 600;
    margin: 0;
    padding-bottom: 12px;
    position: relative;
}

.feature-header h3::after {
    content: '';
    position: absolute;
    bottom: 0;
    left: 0;
    width: 40px;
    height: 3px;
    background: var(--primary-color);
    transition: width 0.3s ease-in-out;
}

.feature-card.text-card:hover .feature-header h3::after {
    width: 100px;
}

.feature-description p {
    color: #303030;
    line-height: 1.7;
    margin: 0;
    font-size: 15px;
}

.feature-description p + p {
    margin-top: 15px;
}

/* 核心优势 */
.core-advantages {
    margin-bottom: var(--section-spacing);
    padding: 60px 0;
    position: relative;
}

.advantage-list {
    display: flex;
    flex-direction: column;
    gap: 40px;
}

.advantage-item {
    display: flex;
    align-items: center;
    margin-bottom: 40px;
    background: rgba(255, 255, 255, 0.9);
    backdrop-filter: blur(10px);
    -webkit-backdrop-filter: blur(10px);
    border-radius: 8px;
    padding: 30px;
    transition: all 0.3s ease;
}

.advantage-icon {
    flex: 0 0 40%;
    max-width: 40%;
    padding-left: 30px;
}

.advantage-icon img {
    width: 100%;
    height: auto;
    border-radius: 8px;
}

.advantage-content {
    flex: 0 0 60%;
    max-width: 60%;
    padding-left: 30px;
}

.advantage-content strong {
    display: block;
    font-size: 20px;
    margin-bottom: 15px;
    color: #333;
}

.advantage-content p {
    margin-bottom: 20px;
    color: #666;
    line-height: 1.6;
}

.advantage-content ul {
    list-style-type: disc;
    padding-left: 20px;
    margin: 0;
}

.advantage-content li {
    margin-bottom: 10px;
    color: #666;
}

/* 详细功能 */
.detailed-features {
    margin-bottom: var(--section-spacing);
    position: relative;
    backdrop-filter: blur(10px);
}

.tech-advantages-wrapper {
    display: flex;
    gap: 40px;
    align-items: flex-start;
}

.tech-advantages-content {
    flex: 3;
}

.tech-advantages-image {
    flex: 2;
    position: relative;
    padding: 40px 0;
}

.tech-advantages-image img {
    width: 80%;
    height: auto;
    box-shadow: -4px 4px 8px rgba(0, 0, 0, 0.4);
    position: relative;
    transition: transform 0.3s ease;
}

.tech-advantages-image img:nth-child(1) {
    margin-left: 0;
    left: 10%;
}

.tech-advantages-image img:nth-child(2) {
    width: 50%;
    height: 40%;
    position: absolute;
    bottom: -35%;
    transform: translateY(-50%);
    left: -5%;
    z-index: 2;
}

.tech-advantages-image img:nth-child(3) {
    position: absolute;
    bottom: -55%;
    right: -1%;
    z-index: 3;
}

.feature-detail-list {
    display: flex;
    flex-direction: column;
    gap: 50px;
}

.feature-detail-item {
    display: flex;
    align-items: center;
    justify-content: space-evenly;
    transition: all 0.3s ease;
    padding:5px;
}

.feature-detail-image {
    width: 80px;
    height: 80px;
}

.feature-detail-image img {
    width: 100%;
    height: auto;
    border-radius: 8px;
    /* box-shadow: 0 4px 12px rgba(0, 0, 0, 0.1); */
}

.feature-detail-content {
    flex: 0 0 55%;
    max-width: 55%;
    padding: 20px 0;
    display: flex;
    flex-direction: column;
    align-items: flex-end;
}

.feature-detail-content h3 {
    font-size: 1.8rem;
    color: #333;
    margin-bottom: 20px;
}

.feature-detail-content p {
    color: #666;
    line-height: 1.6;
    text-align: right;
}

/* 移除自动翻转 */
.feature-detail-item:nth-child(even) {
    flex-direction: row;
}

/* 响应式设计 */
@media (max-width: 992px) {
    .intro-content,
    .advantage-item,
    .feature-detail-item {
        flex-direction: column;
    }

    .intro-image,
    .intro-text,
    .advantage-icon,
    .advantage-content,
    .feature-detail-image,
    .feature-detail-content {
        flex: 0 0 100%;
        max-width: 100%;
        padding: 0;
    }

    .feature-cards {
        grid-template-columns: 1fr;
        gap: 20px;
    }

    .feature-card {
        height: auto; /* 移动端自适应高度 */
        min-height: 280px; /* 设置最小高度 */
    }

    .feature-card.text-card {
        padding: 25px;
    }
    
    .feature-header {
        margin-bottom: 12px;
    }
    
    .feature-description p + p {
        margin-top: 12px;
    }

    .video-placeholder {
        height: 400px;
    }

    .tech-advantages-wrapper {
        flex-direction: column;
    }

    .tech-advantages-image {
        position: static;
        margin-top: 30px;
        height: 600px;
    }
    
    .tech-advantages-image img {
        width: 70%;
    }
    
    .tech-advantages-image img:nth-child(2) {
        right: 0;
    }
    
    .tech-advantages-image img:nth-child(3) {
        left: 15%;
    }

    .feature-detail-item {
        flex-direction: column;
    }

    .feature-detail-image,
    .feature-detail-content {
        flex: 0 0 100%;
        max-width: 100%;
        padding: 0;
    }
    
    /* 确保在移动端图片显示在底部 */
    .feature-detail-content {
        order: 1;
    }
    
    .feature-detail-image {
        order: 2;
        margin-top: 15px;
    }
}

/* 粒子背景容器 */
.particles-background {
    position: fixed;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    z-index: -1;
    background: linear-gradient(45deg, #f8f9ff 0%, #e8f0ff 100%);
}

.feature-detail-content h3 {
    color: var(--primary-dark);
}

.feature-detail-content p {
    color: #666;
}

.feature-card {
    background: rgba(255, 255, 255, 0.7);
    backdrop-filter: blur(10px);
    -webkit-backdrop-filter: blur(10px);
    border: 1px solid rgba(255, 255, 255, 0.3);
}

.section-header h2 {
    color: #333;
}

.intro-text p {
    color: #666;
}

/* 调整移动端样式 */
@media (max-width: 768px) {
    .particles-background {
        background: linear-gradient(45deg, #f0f4ff 0%, #e0ebff 100%);
    }
    
    .feature-card,
    .advantage-item,
    .feature-detail-item {
        background: rgba(255, 255, 255, 0.8);
    }
}