@charset "utf-8";
body, p, h1, h2, h3, h4, h5, h6, 
div, span, a, li, td, th, label, input, button {
    font-family: "Microsoft YaHei", "微软雅黑", sans-serif !important;
}
.hero-container {
    width: 100%;
    max-width: 100%;
    overflow: hidden;
    position: relative;
}

.hero-image {
    width: 100%;
    height: auto;
    display: block;
}

.content-wrapper {
    width: 100%;
    padding: 0 5%;
    background-color: #ffffff;
}

.text-container {
    padding: 24px 0;
}

.brand-title {
    display: flex;
    align-items: center;
    font-size: 21px;
    color: #666666;
    margin-bottom: 16px;
}

.brand-icon {
    width: 24px;
    height: 32px;
    background-color: #479b3e;
    margin-right: 10px;
    flex-shrink: 0;
    transform: skewX(-15deg);
}

.main-title {
    font-size: 42px;
    color: #333333;
    line-height: 1.4;
    margin-bottom: 20px;
	padding-left: 30px;
}

.hero-video {
    width: 100%;
    height: auto;
    display: block;
    border-radius: 4px;
    margin-bottom: 20px;
}

.params-section {
    width: 100%;
    background: linear-gradient(to top right, #ffffff 0%, #ffffff 60%, #ececec 100%);
    border-radius:30px;
    padding: 20px 0;
    margin-top: 10px;
}

.params-top {
    width: 100%;
    display: flex;
    flex-direction: column;
    align-items: center;
    justify-content: center;
    padding: 10px 0;
}

.params-top-content {
    width: 100%;
    display: flex;
    align-items: center;
    justify-content: space-between;
    margin-bottom: 15px;
}

.params-top-img {
    flex: 0 0 auto;
    width: 45%; 
    margin-right: 20px;
}

.params-top-img video {
    width: 600px;
    height: auto;
    display: block;
    max-width: 100%;
}

.params-top-text {
    flex: 1;
    text-align: center;
    display: flex;
    flex-direction: column;
    align-items: center;
    justify-content: center;
}

.params-big-text {
    font-size: 32px;
    font-weight: normal;
    color: #333333;
    line-height: 1.8;
    margin-bottom: 24px;
	text-align:center!important;
}

.params-btn {
    color: #479b3e;
    font-size: 32px;
    font-weight:normal;
    cursor: pointer;
    display: flex;
    align-items: center;
    gap: 8px;
    background: none;
    border: none;
    padding: 0;
    margin: 0;
    line-height: 1.6;
}

.params-btn::before {
    content: "ᐯ";
    display: inline-block;
    color: #ffffff;
    background-color: #479b3e;
    width: 30px;
    height: 30px;
    border-radius: 50%;
    font-size: 12px;
    line-height: 30px;
    text-align: center;
    font-weight: 400;
    transition: transform 0.3s ease;
}

.params-btn.up::before {
    content: "ᐱ";
}

@media (min-width: 768px) {
    .params-btn::before {
        width: 30px;
        height: 30px;
        font-size: 14px;
        line-height: 30px;
    }
}

.params-detail {
    width: 100%;
    height: 0;
    overflow: hidden;
    transition: height 0.5s ease;
    padding: 0 10px;
}

.params-detail.show {
    height: auto;
    padding: 20px 10px;
}

/* === ✅ 等高布局核心 - 修复放大错位问题 === */
/* === 修复：等高布局 + 图片不消失 === */
.params-detail-content {
    width: 100%;
    display: flex;
    align-items: stretch; /* 两边等高 */
    justify-content: space-between;
    margin-bottom: 20px;
}

.params-detail-img {
    flex: 0 0 50%;
    margin-right: 15px;
    display: flex;
    align-items: center;
    justify-content: center;
    height: 100%; /* 高度和表格一致 */
    overflow: hidden;
    /* 不要 position:relative 也不要 absolute，这里用正常流 */
}

.params-detail-img img {
    width: 100%;
    height: 100%;
    object-fit: cover; /* 填满不变形 */
    display: block;
}

.params-detail-table {
    flex: 1;
    width: 45%;
    border-collapse: collapse;
    font-size: 16px;
    height: auto;
}
/* === ✅ 等高布局修改结束 === */

.params-detail-table thead tr {
    background-color: #333333;
    color: #fff;
}

.params-detail-table th {
    padding: 18px 10px;
    text-align: center;
    font-weight: 600;
}

.params-detail-table tbody tr:nth-child(even) {
    background-color: #f0f0f0;
}

.params-detail-table tbody tr:nth-child(odd) {
    background-color: #fff;
}

.params-detail-table td {
    padding: 18px 10px;
    border: 1px solid #ddd;
}

.custom-text {
    color: #479b3e;
    text-align: center !important;
    margin: 55px 0 15px;
    letter-spacing: 2px;
    font-size: 24px;
}

.features-section {
    width: 100%;
    padding: 40px 5%;
    background-color: #f8f8f6;
    border-radius: 20px;
    margin: 60px 0 30px;
}

.features-container {
    width: 100%;
    display: flex;
    flex-wrap: wrap;
    position: relative;
}

.features-col {
    flex: 1;
    min-width: 280px;
    padding: 0 15px;
}

.feature-item {
    display: flex;
    align-items: flex-start;
    margin-bottom: 25px;
}

.feature-icon {
    width: 48px;
    height: 48px;
    margin-right: 12px;
    flex-shrink: 0;
}

.feature-icon img {
    width: 100%;
    height: 100%;
    object-fit: contain;
    display: block;
}

.feature-text h3 {
    font-size: 20px;
    font-weight: 700;
    color: #333333;
    margin-bottom: 8px;
    line-height: 1.5;
}

.feature-text p {
    font-size: 14px;
    color: #666;
    line-height: 1.5;
}

.features-ai-img {
    position: absolute;
    right: 120px;
    bottom: -30px;
    width: 120px;
    height: auto;
    z-index: 1;
}

.media-switch-container {
    width: 100%;
    position: relative;
    margin-bottom: 20px;
}

.media-content {
    width: 100%;
    height: auto;
    display: block;
    border-radius: 4px;
}

.model-content {
    display: block;
    width: 100%;
    aspect-ratio: 16/9; 
    background: #b8b8b8;
    position: relative;
    overflow: hidden;
    border-radius: 4px;
}

#modelCanvas {
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    display: block;
    outline: none;
}

.switch-buttons {
    position: absolute;
    left: 24px;
    bottom: 24px;
    display: flex;
    flex-direction: column;
    gap: 12px;
    z-index: 10;
}

.switch-btn {
    width: 56px;
    height: 56px;
    border-radius: 12px;
    background-color: rgba(255, 255, 255, 0.15);
    backdrop-filter: blur(8px);
    -webkit-backdrop-filter: blur(8px);
    padding: 10px;
    cursor: pointer;
    box-shadow: 0 4px 20px rgba(0, 0, 0, 0.12), 
                inset 0 1px 0 rgba(255, 255, 255, 0.2);
    transition: all 0.3s cubic-bezier(0.4, 0, 0.2, 1);
    border: 1px solid rgba(255, 255, 255, 0.2);
}

.switch-btn:hover {
    background-color: rgba(255, 255, 255, 0.25);
    box-shadow: 0 6px 24px rgba(0, 0, 0, 0.15), 
                inset 0 1px 0 rgba(255, 255, 255, 0.3);
    transform: translateY(-2px);
}

.switch-btn.active {
    background-color: rgba(71, 155, 62, 0.2);
    box-shadow: 0 4px 16px rgba(71, 155, 62, 0.2),
                inset 0 1px 0 rgba(255, 255, 255, 0.4);
}

.switch-btn img {
    width: 100%;
    height: 100%;
    object-fit: contain;
    filter: drop-shadow(0 1px 2px rgba(0, 0, 0, 0.1));
	display: block;
}

.core-sell-point {
    width: 100%;
    text-align: center;
    padding: 40px 0;
    margin: 20px 0 40px;
}

.core-title {
    font-size: 40px;
    font-weight: 700;
    color: #333333;
    margin-bottom: 20px;
    line-height: 1.4;
}

.core-subtitle {
    font-size: 20px;
    color: #479b3e;
    letter-spacing: 1px;
    line-height: 1.6;
    font-weight: 700;
    text-align: center !important;
}

.product-showcase-section {
    width: 100%;
    margin: 20px 0;
}

.showcase-container {
    width: 100%;
    display: flex;
    flex-wrap: wrap;
    gap: 20px;
}

.product-card {
    flex: 1;
    min-width: 280px;
    position: relative;
    border-radius: 12px;
    overflow: hidden;
    background-color: #f2f2f2;
    cursor: pointer;
}

.product-img-wrapper {
    width: 100%;
    position: relative;
    overflow: hidden;
}

.product-img {
    width: 100%;
    height: auto;
    display: block;
    transition: transform 0.3s ease;
}

.product-img-wrapper:hover .product-img {
    transform: scale(1.03);
}

.product-detail-text {
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    padding: 30px;
    background-color: rgba(128, 155, 128, 0.8);
    border-radius: 0;
    display: flex;
    opacity: 0;
    visibility: hidden;
    z-index: 5;
    flex-direction: column;
    justify-content: center;
    align-items: center;
    text-align: center;
    transform: translateY(5px);
    transition: all 0.4s cubic-bezier(0.34, 1.56, 0.64, 1);
}

.product-img-wrapper:hover .product-detail-text {
    opacity: 1;
    visibility: visible;
    transform: translateY(0);
}

.product-detail-text p {
    font-size: 24px;
    color: #fff;
    font-weight: 700;
    line-height: 1.6;
    margin-bottom: 8px;
    max-width: 90%;
    opacity: 0;
    transform: translateY(10px);
    transition: opacity 0.3s ease, transform 0.3s ease;
}

.product-img-wrapper:hover .product-detail-text p:nth-child(1) { transition-delay: 0.1s; opacity: 1; transform: translateY(0); }
.product-img-wrapper:hover .product-detail-text p:nth-child(2) { transition-delay: 0.2s; opacity: 1; transform: translateY(0); }
.product-img-wrapper:hover .product-detail-text p:nth-child(3) { transition-delay: 0.3s; opacity: 1; transform: translateY(0); }

.product-detail-text p:last-child {
    margin-bottom: 0;
}

.operation-section {
    width: 100%;
    padding: 40px 5%;
    background: #f2f2f2;
}

.operation-grid {
    width: 100%;
    display: flex;
    flex-wrap: wrap;
    gap: 30px;
}

.operation-col {
    flex: 1;
    min-width: 250px;
}

.operation-item {
    display: flex;
    align-items: flex-start;
    margin-bottom: 50px;
	    height: 80px;
}

.operation-icon {
    width: 36px;
    height: 36px;
    margin-right: 15px;
    flex-shrink: 0;
}

.operation-icon img {
    width: 100%;
    height: 100%;
    object-fit: contain;
    display: block;
}

.operation-text h3 {
    font-size: 20px;
    font-weight: 700;
    color: #333333;
    margin-bottom: 6px;
    line-height: 1.4;
}

.operation-text p {
    font-size: 14px;
    color: #666;
    line-height: 1.5;
}

.operation-img {
    width: 100%;
    height: auto;
    display: block;
	margin-bottom: 60px;
}

.model-loading-indicator {
    position: absolute;
    top: 50%;
    left: 50%;
    transform: translate(-50%, -50%);
    color: #479b3e;
    font-size: 16px;
    font-weight: 600;
    background: rgba(255,255,255,0.7);
    padding: 8px 18px;
    border-radius: 40px;
    backdrop-filter: blur(4px);
    z-index: 5;
    pointer-events: none;
}

@media (min-width: 768px) {
    .content-wrapper { padding: 0 12%; }
    .text-container { padding: 80px 0 32px; }
    .brand-icon { width: 20px; height: 36px; }
    .params-top-img { width: 50%; }
    .params-detail-table { font-size: 19px; }
    .features-section { padding: 50px 3% 30px; }
    .features-ai-img { width: 150px; }
    .switch-btn { width: 48px; height: 48px; padding: 12px; }
    .product-showcase-section { background: #f2f2f2; border-radius: 20px; }
    .product-detail-text { padding: 20px; }
    .operation-section { padding: 80px 8% 20px; }
    .operation-icon { width: 50px; height: 50px; }
}

@media (max-width: 767px) {
    .params-top-content { flex-direction: column; }
    .params-top-img { width: 80%; margin-right: 0; margin-bottom: 15px; }
    .params-top-img video { width: 100%; height: auto; }
    .params-detail-content { flex-direction: column; }
    .params-detail-img {
        width: 100%;
        margin-right: 0;
        margin-bottom: 15px;
        height: auto;
    }
    .params-detail-img img {
        position: static;
        width: 100%;
        height: auto;
        max-height: none;
    }
    .params-detail-table { 
        width: 100%;
        max-height: none;
    }
    .features-col { flex: 0 0 100%; margin-bottom: 20px; }
    .features-ai-img { position: relative; width: 100px; margin: 0 auto; right: auto; bottom: auto; display: block; }
    .switch-btn { width: 48px; height: 48px; padding: 8px; }
    .switch-buttons { left: 16px; bottom: 16px; gap: 8px; }
    .core-sell-point { padding: 20px 0; margin: 10px 0 20px; }
    .showcase-container { padding: 0 3%; gap: 15px; }
    .product-card { flex: 0 0 100%; }
    .product-detail-text { padding: 20px 15px; }
    .operation-section { padding: 20px 3%; margin: 10px 0 20px; }
    .operation-grid { gap: 15px; margin-bottom: 20px; }
    .operation-col { flex: 0 0 100%; }
    .operation-item { margin-bottom: 20px; }
    .operation-icon { width: 32px; height: 32px; margin-right: 12px; }
    .brand-icon { width: 12px; height: 28px; }
}

/* ======================================
✅ 案例展示专属两栏布局 — 不影响上方任何区域
====================================== */
/* 桌面端两栏 */
.case-showcase .showcase-container {
  display: grid !important;
  grid-template-columns: repeat(2, 1fr) !important;
  gap: 16px !important;
  padding: 0 !important;
  overflow: visible !important;
  flex-wrap: wrap !important;
}
/* 案例卡片样式 */
.case-showcase .product-card {
  width: 100% !important;
  min-width: auto !important;
  flex: unset !important;
  margin: 0 !important;
}
/* 移动端：小屏也保持两栏，不想两栏就改成 1fr */
@media (max-width: 767px) {
  .case-showcase .showcase-container {
    grid-template-columns: repeat(2, 1fr) !important;
  }
}
/* 双栏视频区域样式 */
.video-two-cols {
  display: flex;
  gap: 5%;
  align-items: center;
  margin: 40px 0;
}
/* 左侧 30% */
.video-two-cols .col-left {
  flex: 0 0 30%;
  display: flex;
  flex-direction: column;
  gap: 30px;
}
.video-two-cols .info-item h3 {
  font-size: 28px;
  font-weight: 600;
  margin-bottom: 8px;
  color: #333;
}
.video-two-cols .info-item p {
  font-size: 20px;
  color: #666;
  line-height: 1.6;
}
/* 右侧 70% */
.video-two-cols .col-right {
  flex: 0 0 65%;
}
.video-two-cols .video-wrap {
  position: relative;
  width: 100%;
  /* 不再强制固定容器高度，跟随视频原生高度 */
  height: auto;
}
.video-two-cols .video-container {
  position: relative;
  width: 100%;
  height: auto; /* 高度完全由视频内容撑开 */
  border-radius: 12px;
  overflow: hidden;
  /* 关键：彻底移除黑色背景底色 */
  background: transparent !important;
	box-shadow: 0 0px 2px rgba(0, 0, 0, 0.15);
}
/* 视频叠加 + 淡入淡出 */
.video-two-cols .video-item {
  width: 100%;
  height: auto; /* 跟随原生视频高度，完美等高 */
  display: block; /* 消除浏览器默认底部留白 */
  opacity: 0;
  visibility: hidden;
  position: absolute;
  top: 0;
  left: 0;
  transition: opacity 0.5s ease, visibility 0.5s ease;
  object-fit: contain;
}
.video-two-cols .video-item.active {
  opacity: 1;
  visibility: visible;
  position: relative; /* 激活时回归文档流，撑开父容器高度 */
}

/* 悬浮按钮 */
.video-two-cols .video-tabs {
  position: absolute;
  bottom: 20px;
  left: 50%;
  transform: translateX(-50%);
  display: flex;
  gap: 16px;
  z-index: 10;
  width: 90%;
  justify-content: center;
}
.video-two-cols .tab-btn {
  flex: 1;
  max-width: 340px;
  padding: 22px 20px;
  border: none;
  border-radius: 18px;
  cursor: pointer;
  font-size: 28px;
  transition: all 0.3s ease;
  background: rgba(255,255,255,0.7);
  text-align: center;
}
/* 激活背景 */
.video-two-cols .tab-btn.active {
  background: #fff;
  box-shadow: 0 2px 8px rgba(0,0,0,0.15);
}
/* 文字颜色规则 */
.video-two-cols .tab-title {
  display: block;
  font-weight: 600;
  margin-bottom: 4px;
  color: #666; /* 默认标题灰色 */
}
.video-two-cols .tab-desc {
  display: block;
  font-size: 18px;
  color: #666; /* 默认描述灰色 */
}
/* 激活后颜色 */
.video-two-cols .tab-btn.active .tab-title {
  color: #538A2D; /* 激活标题绿色 */
}
.video-two-cols .tab-btn.active .tab-desc {
  color: #333333; /* 激活描述黑色 */
}

/* 移动端 */
@media (max-width: 768px) {
  .video-two-cols {
    flex-direction: column;
  }
  .video-two-cols .col-left,
  .video-two-cols .col-right {
    flex: 0 0 100%;
    width: 100%;
  }
}

.video-desc-text {
  width: 100%;
  text-align: center;
  margin-top: 60px;
	margin-bottom: 100px;
}
.video-desc-text p {
  font-size: 24px;
  color: #333;
  line-height: 1.8;
  margin: 0;
  text-align: center;
}