html {
    width: 100vw;
    height: auto;
    overflow-x: hidden;
}
.section-1 {
    text-align: center;
    color: white;
    height: auto;
    justify-content: center;
    align-items: center;
}

.section-1-content {
    display: flex;
    flex-direction: column;
    padding-top: 50px;
}

.section-1-image {
    width: 100%;
    overflow: hidden;
}

.spark-image1 {
    width: 100%;
    height: auto;
    object-fit: cover;
}

.spark-image1:hover {
    transform: scale(1.02);
}

.section-1-text {
    margin-left: 5%;
    margin-right: 5%;
    text-align: left;
    order: 2;
}

.section-1-text h2 {
    font-size: 18px;
    margin-bottom: 20px;
    font-weight: 700;
    line-height: 2;
}

.section-1-text p {
    font-size: 14px;
    line-height: 1.6;
    text-align: left;
}


.section-2 {
    display: flex;
    justify-content: center;
    align-items: center;
    position: relative;
    margin-top: 50px;
}

.section-2-content {
    display: flex;
    width: 96%;
    margin-left: 1;
    margin-right: 1%;
    gap: 10px;
    flex-direction: column;
    box-sizing: border-box;
    justify-content: center;
    align-items: center;
}

.section-2-text {
    display: flex;
    gap: 10px;
    justify-content: center;
    align-items: center;
    order: 2;
}

.feature-card-cell {
    display: flex;
    flex-direction: row;
    gap: 15px;
    align-items: center;
    padding: 15px;
    background-color: rgba(0, 0, 0, 0.7);
    border-radius: 8px;
    transition: transform 0.3s ease;
}

.feature-card-cell:hover {
    transform: translateY(-5px);
}

.feature-card-cell h3 {
    font-size: 14px;
    padding: 10px 20px;
    margin: 0;
    background-image: url('../../img/hiro_text_bg.png');
    background-size: cover;
    color: #fff;
    font-weight: 700;
    flex: 1;
    border-radius: 4px;
    min-height: 80px; /* 确保最小高度以完整显示背景 */
    display: flex;
    align-items: center; 
}


.section-2-image {
    flex: 1;
    display: flex;
    justify-content: center;
    align-items: center;
    margin-left: -20%;
    margin-bottom: 20px;
}

.spark-image2 {
    width: 100%;
    height: auto;
    border-radius: 6px;
    box-shadow: 0 10px 30px rgba(0, 0, 0, 0.7);
    transition: transform 0.3s ease;
}

.spark-image2:hover {
    transform: scale(1.02);
}


/* section-3 样式 */
.section-3 {
    display: flex;
    justify-content: center;
    align-items: center;
    position: relative;
    margin-top: 50px;
}

.section-3-content {
    width: 90%;
    margin-left: 5%;
    margin-right: 5%;
    box-sizing: border-box;
    text-align: center;
}

/* 标题样式 */
.section-3-title {
    font-size: 24px;
    color: white;
    font-weight: 700;
    margin-bottom: 30px;
    text-align: center;
}


/* 双LED容器 */
.dual-led-container {
    display: flex;
    flex-direction: column;
    gap: 10px;
    margin: 0 auto;
}

/* 单个LED选项 */
.led-option {
    display: flex;
    align-items: center;
    gap: 20px;
    padding: 20px;
    background-color: rgba(0, 0, 0, 0.7);
    border-radius: 8px;
    transition: all 0.3s ease;
}



/* LED图片容器 */
.led-image {
    flex: 1;
    background-color: #111;
    border-radius: 8px;
    overflow: hidden;
    display: flex;
    justify-content: center;
    align-items: center;
}

/* LED图片 */
.led-img {
    width: 100%;
    height: auto;
    object-fit: cover;
    border-radius: 8px;
    transition: transform 0.3s ease;
}

.led-img:hover {
    transform: scale(1.05);
}

/* LED信息 */
.led-info {
    flex: 1;
    text-align: left;
}

.led-info h3 {
    font-size: 18px;
    margin: 0;
    color: white;
    font-weight: 600;
}

.led-info p {
    font-size: 14px;
    margin: 10px 0 0 0;
    color: #ccc;
    line-height: 1.6;
}



/* section-4 样式 */
.section-4 {
    display: flex;
    justify-content: center;
    align-items: center;
    position: relative;
    margin-top: 50px;
}

.section-4-content {
    width: 96%;
    margin-left: 1%;
    margin-right: 1%;
    box-sizing: border-box;
    text-align: center;
}

/* 标题样式 */
.section-4-title {
    font-size: 24px;
    color: white;
    font-weight: 700;
    text-align: center;
}

/* 连接图容器 */
.connection-diagram {
    width: 100%;
    display: flex;
    justify-content: space-between;
    position: relative;
}

/* 图片容器 */
.diagram-container {
    width: 80%;
    flex: 1;
    display: flex;
    justify-content: right;
    align-items: right;
    position: relative;
}

/* 连接图图片 */
.diagram-img {
    width: 90%;
    height: auto;
    object-fit: contain;
    margin-right: 0;
    border-radius: 6px;
    box-shadow: 0 10px 30px rgba(0, 0, 0, 0.7);
}

/* 文字描述列 */
.description-column {
    width: 120px;
    text-align: center;
    position: absolute;
    left: 0;
    top: 60%;
    transform: translateY(-50%);
    z-index: 1;
}

/* 描述项 */
.description-item {
    margin-bottom: 70px;
    display: flex;
    align-items: center;
    justify-content: flex-end;
}

/* 标签 */
.label {
    font-size: 12px;
    color: #ccc;
}




/* section-5 样式 */
.section-5 {
    display: flex;
    justify-content: center;
    align-items: center;
    position: relative;
}

.section-5-content {
    width: 90%;
    margin-left: 5%;
    margin-right: 5%;
    box-sizing: border-box;
    text-align: center;
}

/* 文字头部 */
.text-header {
    margin-bottom: 40px;
    text-align: center;
}

/* 标题样式 */
.section-5-title {
    font-size: 24px;
    margin-bottom: 10px;
    color: white;
    font-weight: 700;
    text-align: center;
}

/* 副标题样式 */
.subtitle {
    font-size: 18px;
    color: #ccc;
    margin-top: 10px;
    font-style: italic;
}

/* 图片容器 */
.image-container {
    display: flex;
    justify-content: center;
    align-items: center;
    margin: 0 auto;
}

/* 安装图片 */
.installation-img {
    width: 100%;
    height: auto;
    object-fit: contain;
    border-radius: 8px;
    box-shadow: 0 10px 30px rgba(0, 0, 0, 0.7);
    transition: transform 0.3s ease;
}

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




/* section-6 样式 */
.section-6 {
    display: flex;
    justify-content: center;
    align-items: center;
    position: relative;
    margin-top: 50px;
}

.section-6-content {
    width: 90%;
    margin-left: 5%;
    margin-right: 5%;
    box-sizing: border-box;
    text-align: center;
}

/* 标题样式 */
.section-6-title {
    font-size: 24px;
    margin-bottom: 30px;
    color: white;
    font-weight: 700;
    text-align: center;
}

/* 配件表格容器 */
.accessories-table {
    overflow-x: auto;
    margin: 0 auto;
}

/* 配件表格 */
.accessories-table-container {
    width: 100%;
    border-collapse: collapse;
    font-family: 'Arial', sans-serif;
    color: white;
    background-color: transparent;
    border-radius: 8px;
    overflow: hidden;
}

/* 表格行 */
.accessories-table-container tr {
    border-bottom: 1px solid #1e2460; /* 蓝色分隔线 */
}

/* 表格单元格 */
.accessories-table-container td {
    padding: 8px 10px;
    text-align: left;
    font-size: 14px;
    color: #ccc;
    vertical-align: top;
}

/* 分类单元格 */
.category-cell {
    background-color: rgba(0, 0, 0, 0.7);
    color: #fff;
    font-weight: 600;
    width: 90px;
    border-right: 1px solid #1e2460; /* 蓝色垂直分隔线 */
    border-bottom: 1px solid #1e2460; /* 蓝色水平分隔线 */
}

/* 组件单元格 */
.component-cell {
    padding-left: 20px;
    border-bottom: 1px solid #1e2460; /* 蓝色水平分隔线 */
}

/* 组件列表 */
.component-list {
    list-style: none;
    padding: 0;
    margin: 0;
}

.component-list li {
    padding: 5px 0;
    color: #ccc;
    font-size: 0.9rem;
}




.section-7 {
    display: flex;
    justify-content: center;
    align-items: center;
    margin-top: 50px;
    padding: 10px;
    position: relative;
}

.section-7-content {
    width: 100%;
    box-sizing: border-box;
}

.section-7-title {
    text-align: center;
    font-size: 24px;
    margin-bottom: 30px;
    font-weight: 700;
}

.pixel-pitch-select {
    display: flex;
    justify-content: center;
    align-items: center;
    gap: 0;
    margin-bottom: 30px;
    flex-wrap: wrap;
}

.pitch-btn {
    display: flex;
    align-items: center;
    padding: 10px 20px;
    background-color: transparent;
    border: none;
    color: white;
    font-size: 14px;
    cursor: pointer;
    transition: all 0.3s ease;
    position: relative;
}

.pitch-btn:not(:last-child)::after {
    content: '';
    position: absolute;
    right: 0;
    top: 50%;
    transform: translateY(-50%);
    height: 60%;
    width: 1px;
    background-color: #666;
}

.pitch-btn:hover {
    background-color: rgba(0, 0, 0, 0.2);
}

.pitch-btn.active {
    color: #0f52ba;
}

.pitch-icon {
    width: 20px;
    height: 20px;
    margin-right: 10px;
}

.pitch-icon svg {
    width: 100%;
    height: 100%;
}

.pitch-text {
    font-weight: 500;
}

.spec-table {
    width: 100%;
    overflow-x: auto;
    margin-bottom: 30px;
}

.spec-table table {
    width: 100%;
    border-collapse: collapse;
    font-size:14px;
}

.pitch-title {
    text-align: center;
    font-size: 18px;
    margin-bottom: 20px;
    color: white;
    font-weight: 600;
}

.spec-table th,
.spec-table td {
    padding: 8px 10px;
    text-align: left;
    border-bottom: 1px solid #333;
}

.spec-table th {
    background-color: rgba(0, 0, 0, 0.8);
    color: #0f52ba;
    font-weight: 600;
}

.hidden {
    display: none;
}

.spec-table tr:hover {
    background-color: rgba(0, 0, 0, 0.7);
}

.spec-table tbody tr:nth-child(odd) {
    background-color: #000; /* 更深的灰色 */
}

.spec-table tbody tr:nth-child(even) {
    background-color: #2d2d2d; /* 稍浅的灰色 */
}

/* 下载按钮样式 */
.download-buttons {
    display: flex;
    justify-content: center;
    margin-top: 30px;
    margin-bottom: 50px;
}

.download-btn {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    gap: 10px;
    background-color: #1e2460; /* 蓝色背景 */
    color: white;
    padding: 15px 20px;
    font-size: 14px;
    font-weight: 600;
    text-decoration: none;
    border-radius: 8px;
    border: 2px solid #1e2460;
    transition: all 0.3s ease;
    box-shadow: 0 4px 15px rgba(0, 123, 255, 0.3);
    cursor: pointer;
}

.download-btn:hover {
    background-color: #0056b3; /* 深蓝色背景 */
    border-color: #0056b3;
    transform: translateY(-2px);
    box-shadow: 0 6px 20px rgba(0, 123, 255, 0.4);
}

.download-btn:active {
    transform: translateY(0);
    box-shadow: 0 2px 10px rgba(0, 123, 255, 0.3);
}

.btn-icon {
    font-size: 14px;
    display: none;
}