.clt {
    width: 1520px;
    margin: 0 auto;
    padding: 20px;
    position: relative;
    text-align: center;
}

.clt-header {
    font-size: 30px;
    font-weight: bold;
    color: rgb(29, 37, 45);
    padding: 10px 10px 0 10px;
}

.clt-under {
    display: flex;
    justify-content: flex-start;
    align-items: flex-end;
    width: 100px;
    margin: 10px auto;
}

.clt-underline {
    width: 50px;
    height: 2px;
    background-color: black;
}

.clt-underline2 {
    width: 50px;
    height: 1px;
    background-color: gray;
}

.clt-title {
    font-size: 20px;
    font-weight: bold;
    color: rgb(29, 37, 45);
    min-width: 820px;
    max-width: 1130px;
    padding-bottom: 40px;
}

.clt-main {
    display: flex;
    justify-content: flex-start;
    gap: 60px;
}

.clt-content {
    min-width: 820px;
    max-width: 968px;
    position: relative;
    overflow: hidden;
    display: flex;
    flex-direction: column;
    justify-content: flex-start;
    gap: 20px;
}

.clt-img-border {
    border: solid 1px rgb(243, 243, 243);
    overflow: hidden;
    position: relative;
    height: 580px;
}

.clt-img-drag {
    width: 100%;
    height: 100%;
}

.clt-img {
    min-width: 820px;
    width: 100%;
    padding: 40px;
    transform-origin: center;
    cursor: grab;
    user-select: none;
}

.clt-img:active {
    cursor: grabbing;
}

.clt-icon {
    width: 18px;
    height: 18px;
}

.clt-icon-container {
    width: 30px;
    height: 30px;
    display: flex;
    flex-direction: column;
    justify-content: center;
    align-items: center;
    border: solid 1px rgb(243, 243, 243);
    cursor: pointer;
}

.clt-icon-parent {
    display: flex;
    flex-direction: row;
    justify-content: flex-end;
    padding-right: 20px;
    position: absolute;
    right: 0;
    top: 565px;
}

/* 定位 */
.clt-location {
    position: absolute;
    display: flex;
    align-items: center;
    gap: 4px;
    z-index: 2;
}

.clt-location-img {
    width: 25px;
    height: 25px;
    cursor: pointer;
    transition: opacity 0.3s ease, filter 0.3s ease;
}

.clt-location-img2 {
    width: 25px;
    height: 25px;
}

.clt-location-img:hover {
    opacity: 0.8;
}

/* 蒙层效果 */
.clt-img-overlay {
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background-color: rgba(245, 245, 245, 0.85);
    opacity: 0;
    transition: opacity 0.3s ease;
    pointer-events: none;
    z-index: 1;
}

.clt-location:hover ~ .clt-img-overlay {
    opacity: 1;
}

/* 蒙层和图标变灰效果现在通过JavaScript控制 */
/* 保持过渡动画效果 */
.clt-img-overlay {
    transition: opacity 0.3s ease;
}

.clt-location-img {
    transition: opacity 0.3s ease, filter 0.3s ease;
}

/* Popup 样式 */
.clt-popup {
    position: fixed;
    width: 500px;
    background: white;
    border: 1px solid #ddd;
    border-radius: 8px;
    box-shadow: 0 4px 12px rgba(0, 0, 0, 0.15);
    z-index: 10;
    opacity: 0;
    visibility: hidden;
    transition: opacity 0.3s ease, visibility 0.3s ease;
    pointer-events: none;
}

/* 三角形箭头 */
.clt-popup::before {
    content: '';
    position: absolute;
    width: 0;
    height: 0;
    border: 8px solid transparent;
    z-index: 11;
}

.clt-popup::after {
    content: '';
    position: absolute;
    width: 0;
    height: 0;
    border: 7px solid transparent;
    z-index: 12;
}

/* 右侧显示时的箭头 */
.clt-popup.arrow-left::before {
    border-right-color: #ddd;
    top: 50%;
    left: -16px;
    transform: translateY(-50%);
}

.clt-popup.arrow-left::after {
    border-right-color: white;
    top: 50%;
    left: -14px;
    transform: translateY(-50%);
}

/* 左侧显示时的箭头 */
.clt-popup.arrow-right::before {
    border-left-color: #ddd;
    top: 50%;
    right: -16px;
    transform: translateY(-50%);
}

.clt-popup.arrow-right::after {
    border-left-color: white;
    top: 50%;
    right: -14px;
    transform: translateY(-50%);
}

/* 下方显示时的箭头 */
.clt-popup.arrow-top::before {
    border-bottom-color: #ddd;
    left: 50%;
    top: -16px;
    transform: translateX(-50%);
}

.clt-popup.arrow-top::after {
    border-bottom-color: white;
    left: 50%;
    top: -14px;
    transform: translateX(-50%);
}

/* 上方显示时的箭头 */
.clt-popup.arrow-bottom::before {
    border-top-color: #ddd;
    left: 50%;
    bottom: -16px;
    transform: translateX(-50%);
}

.clt-popup.arrow-bottom::after {
    border-top-color: white;
    left: 50%;
    bottom: -14px;
    transform: translateX(-50%);
}

.clt-popup.show {
    opacity: 1;
    visibility: visible;
    pointer-events: auto;
}

.clt-popup-content {
    padding: 20px;
    height: 100%;
    box-sizing: border-box;
    overflow-y: auto;
}

.clt-popup-title {
    margin: 0 0 15px 0;
    font-size: 16px;
    font-weight: bold;
    color: #333;
    text-align: left;
}

.clt-popup-desc {
    margin: 0;
    font-size: 14px;
    line-height: 1.5;
    color: #666;
    text-align: left;
}

.clt-popup-divider {
    margin: 15px 0;
    border: none;
    border-top: 1px solid #eee;
}

.clt-popup-product {
    display: flex;
    align-items: center;
    gap: 12px;
    cursor: pointer;
    padding: 8px;
    border-radius: 6px;
    transition: background-color 0.2s ease;
}

.clt-popup-product:hover {
    background-color: #f5f5f5;
}

.clt-popup-product-img {
    width: 100px;
    height: 100px;
    object-fit: cover;
    border-radius: 8px;
    border: 1px solid #e0e0e0;
}

.clt-popup-product-info {
    flex: 1;
    display: flex;
    justify-content: space-between;
    align-items: center;
}

.clt-popup-product-name {
    font-size: 14px;
    color: #333;
    font-weight: 500;
    transition: color 0.2s ease;
}

.clt-popup-arrow {
    font-size: 32px;
    color: #666;
    font-weight: bold;
    margin-left: 8px;
    transition: color 0.2s ease;
}

.clt-popup-product:hover .clt-popup-product-name {
    color: #ff4444;
}

.clt-popup-product:hover .clt-popup-arrow {
    color: #ff4444;
}

/* 视频播放器样式 */
.clt-video {
    margin-top: 20px;
    text-align: left;
    width: 90%;
}

.clt-video-title {
    font-size: 18px;
    font-weight: bold;
    color: #333;
    margin-top: 40px;
    margin-bottom: 20px;
    padding-bottom: 10px;
    border-bottom: 2px solid #e0e0e0;
    text-align: left;
}

.clt-video video {
    border-radius: 8px;
    box-shadow: 0 2px 8px rgba(0, 0, 0, 0.1);
    max-width: 100%;
    height: auto;
}

/* PDF列表样式 */
.clt-pdf-list {
    display: grid;
    grid-template-columns: repeat(2, 1fr);
    gap: 20px;
    margin-top: 20px;
    width: 90%;
}

.clt-pdf-list-title {
    font-size: 18px;
    font-weight: bold;
    color: #333;
    margin-top: 20px;
    margin-bottom: 20px;
    padding-bottom: 10px;
    border-bottom: 2px solid #e0e0e0;
    display: block;
    width: 100%;
    grid-column: 1 / -1;
    text-align: left;
}

.clt-pdf-item {
    display: flex;
    align-items: center;
    padding: 15px;
    border: 1px solid #e0e0e0;
    border-radius: 8px;
    cursor: pointer;
    transition: all 0.3s ease;
    background-color: #fff;
}

.clt-pdf-item:hover {
    border-color: #ff4444;
    box-shadow: 0 2px 8px rgba(255, 68, 68, 0.1);
}

.clt-pdf-item:hover .clt-pdf-title {
    color: #ff4444;
}

.clt-pdf-item:hover .clt-pdf-arrow {
    color: #ff4444;
}

.clt-pdf-icon {
    width: 50px;
    height: 50px;
    margin-right: 15px;
    display: flex;
    align-items: center;
    justify-content: center;
}

.clt-pdf-icon-img {
    width: 50px;
    height: 50px;
    object-fit: contain;
    transition: all 0.3s ease;
}

.clt-pdf-content {
    flex: 1;
    display: flex;
    flex-direction: column;
    gap: 5px;
}

.clt-pdf-title {
    font-size: 16px;
    font-weight: bold;
    color: #333;
    transition: color 0.3s ease;
    margin: 0;
    text-align: left;
}

.clt-pdf-desc {
    font-size: 14px;
    color: #666;
    line-height: 1.4;
    margin: 0;
}

.clt-pdf-arrow {
    font-size: 24px;
    color: #999;
    font-weight: bold;
    margin-left: 15px;
    transition: color 0.3s ease;
}

.clt-main-title {
    font-size: 18px;
    font-weight: bold;
    color: #333;
    margin-bottom: 20px;
    padding-bottom: 10px;
    border-bottom: 2px solid #e0e0e0;
    text-align: left;
}

.clt-tips {
    display: flex;
    justify-content: flex-start;
    align-items: center;
    gap: 5px;
}

.clt-desc {
    text-align: left;
}

.clt-desc-header {
    font-weight: 600;
    font-size: 18px;
}

.clt-desc-content {
    color: #909090;
    margin-bottom: 40px;
}

.clt-desc-ul {
    margin-bottom: 30px;
}

.clt-desc-li {
    color: #909090;
    list-style-type: disc;
    margin-left: 24px;
}

.clt-desc-pdf {
    margin-left: 4px;
    margin-top: 10px;
    font-weight: 600;
    font-size: 14px;
}

.clt-desc-li-pdf {
    color: #909090;
    list-style-type: disc;
    margin-left: 24px;
    cursor: pointer;
}

.clt-desc-li-content-pdf {
    color: #bd0d26;
    display: flex;
    gap: 5px;
    align-items: center;
}

.clt-desc-li-content-pdf-suffix {
    font-size: 12px;
    height: 16px;
    line-height: 16px;
    padding: 0 4px;
    border: 1px solid black;
}