/* ==========产品中心========== */
.product-center {
    position: relative;
}

.product-center .product-center__bg__box {
    min-height: 120vh;
    height: 100%;
    background-color: #15598a;
    position: relative;
    overflow: hidden;
}

.product-center .product-center__bg__box::before {
    z-index: 2;
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background: linear-gradient(to right, rgba(21, 89, 138, .2) 1px, transparent 1px),
    linear-gradient(to bottom, rgba(21, 89, 138, .2) 1px, transparent 1px);
    background-size: 12px 12px;
    pointer-events: none;
}

.product-center .product-center__bg__box img {
    z-index: 1;
    height: 100%;
    width: 100%;
    object-fit: cover;
    opacity: 0;
    transition: opacity .3s;
    position: absolute;
    top: 0;
}

.product-center .product-center__bg__box img.active {
    opacity: 1;
}


.product-center .product-center__inner {
    position: absolute;
    top: 50%;
    left: 50%;
    transform: translate(-50%, -50%);
    z-index: 3;
}

.product-center .product-center__inner .product-center__header {
    margin-top: 64px;
    display: flex;
    justify-content: space-between;
    align-items: end;
    padding: 0 64px;
}

.product-center .product-center__inner .product-center__header .product-center__title{
    background-image: linear-gradient(to right, #29c2e1 0%, #afedf8 35%, #afedf8 40%, #29c2e1 60%, #29c2e1 100%);
}

.product-center .product-center__inner .product-center__header .product-center__message {
    background-image: url('../../images/index/product-center/message-bg.png');
    background-size: 100% 50%;
    background-position: center bottom;
    background-repeat: no-repeat;
    height: calc(243px * 0.6);
    width: calc(676px );
    position: relative;
    z-index: 100;
    display: flex;
    justify-content: center;
    align-items: center;
}

.product-center .product-center__inner .product-center__header .product-center__message .product-center__message__container {
    padding: 16px;
    width: 90%;
    height: 115px;
    color: #fff;
    font-size: 14px;
    overflow: hidden;
    text-overflow: ellipsis;
    line-height: 1.8;
    letter-spacing: 1px;
    float: right;
    text-align: center;
    display: flex;
    align-items: center;
    justify-content: center;
}

@media screen and (max-width: 992px) {
    .product-center .product-center__inner .product-center__header .product-center__message {
        display: none;
    }

    .product-center .product-center__inner .product-center__header .product-center__title {
        font-size: 42px;
    }
}

.product-center .product-center__inner .product-center__desc {
    padding: 64px;
    border: rgba(70, 115, 179, .4) 1px solid;
    border-radius: 26px;
    position: relative;
    /* top: -16px; */
    background-color: rgba(7, 27, 63, 0.2);
    backdrop-filter: blur(14px);
}

.product-center .product-center__inner .product-center__desc .toggle-group .product-center__desc__item {
    position: relative;
    cursor: pointer;
    margin-bottom: 16px;
}

.product-center .product-center__inner .product-center__desc .toggle-group > div {
    flex: 1;
}

.product-center .product-center__inner .product-center__desc .toggle-group .product-center__desc__item .product-center__desc__item__title {
    width: 100%;
    display: flex;
    justify-content: center;
    align-items: center;
    font-weight: bold;
    color: #fff;
    font-size: 16px;
    background-image: url('../../images/index/product-center/toggle-button.png');
    background-size: 100% 100%;
    height: 52px;
    letter-spacing: 2px;
    font-family: "SourceHanSansCN", Arial, sans-serif;

}

.product-center .product-center__inner .product-center__desc .toggle-group .product-center__desc__item.active .product-center__desc__item__title {
    background-image: url('../../images/index/product-center/toggle-button_active.png');
}

.product-center .product-center__inner .product-center__desc .toggle-group .product-center__desc__item.active .product-center__desc__item__title {
    color: rgb(7, 27, 63);
}

.product-center .product-center__inner .product-center__desc .product-list {
    margin-top: 22px;
    display: none;
}

.product-center .product-center__inner .product-center__desc .product-list.active {
    display: flex;
}

.product-center .product-center__inner .product-center__desc .product-list .product-list__item {
    cursor: pointer;
    /* 按钮偏移量 */
    --offset: 30px;
    margin-bottom: calc(16px + var(--offset));

}

.product-center .product-center__inner .product-center__desc .product-list .product-list__item .product-list__item__inner {
    background-color: #15598a;
    padding: 4px 4px calc(12px + var(--offset)) 4px;
    border-radius: 6px;
    position: relative;
}

.product-center .product-center__inner .product-center__desc .product-list .product-list__item .product-list__item__inner .product-list__item__img {
    height: 320px;
    width: 100%;
    position: relative;

}

.product-center .product-center__inner .product-center__desc .product-list .product-list__item .product-list__item__inner .border-img {
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    z-index: 2;
    border-radius: 12px;
}

.product-center .product-center__inner .product-center__desc .product-list .product-list__item .product-list__item__inner .img {
    position: absolute;
    top: 4px;
    left: 4px;
    width: 98%;
    height: 98%;
    z-index: 1;
    object-fit: cover;
}

.product-center .product-center__inner .product-center__desc .product-list .product-list__item .product-list__item__title {
    height: 60px;
    width: 80%;
    border-radius: 8px;
    color: #15598a;
    display: flex;
    align-items: center;
    justify-content: center;
    background: linear-gradient(to bottom, #afedf8 0%, #29c2e1 80%, #29c2e1 100%);
    position: absolute;
    left: 50%;
    z-index: 3;
    transform: translateX(-50%);
    bottom: calc(var(--offset) * -1);

}

.product-center .product-center__inner .product-center__desc .product-list .product-list__item .product-list__item__title span:first-child {
    font-weight: bold;
    margin-right: 4px;
}

/* ==========毛玻璃蒙版效果========== */
.product-center__overlay {
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    z-index: 1;
    pointer-events: none;
}

.product-center__overlay__gradient {
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background: linear-gradient(
        135deg,
        rgba(255, 255, 255, 0.1) 0%,
        rgba(255, 255, 255, 0.05) 25%,
        rgba(255, 255, 255, 0.1) 50%,
        rgba(255, 255, 255, 0.05) 75%,
        rgba(255, 255, 255, 0.1) 100%
    );
    backdrop-filter: blur(5px) saturate(180%);
    -webkit-backdrop-filter: blur(5px) saturate(180%);
    border: 1px solid rgba(255, 255, 255, 0.2);
    box-shadow: 
        inset 0 1px 0 rgba(255, 255, 255, 0.2),
        0 8px 32px rgba(0, 0, 0, 0.1);
}

.product-center__overlay__pattern {
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background: 
        radial-gradient(circle at 25% 25%, rgba(255, 255, 255, 0.1) 0%, transparent 50%),
        radial-gradient(circle at 75% 75%, rgba(255, 255, 255, 0.08) 0%, transparent 50%),
        radial-gradient(circle at 50% 50%, rgba(255, 255, 255, 0.05) 0%, transparent 70%);
    backdrop-filter: blur(10px);
    -webkit-backdrop-filter: blur(10px);
    animation: glassShimmer 8s ease-in-out infinite;
}

@keyframes glassShimmer {
    0%, 100% {
        opacity: 0.3;
        transform: translateX(0) translateY(0);
    }
    25% {
        opacity: 0.5;
        transform: translateX(2px) translateY(-1px);
    }
    50% {
        opacity: 0.4;
        transform: translateX(-1px) translateY(2px);
    }
    75% {
        opacity: 0.6;
        transform: translateX(1px) translateY(1px);
    }
}

/* 增强毛玻璃效果 */
.product-center__overlay::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background: linear-gradient(
        45deg,
        transparent 30%,
        rgba(255, 255, 255, 0.1) 50%,
        transparent 70%
    );
    animation: glassReflection 6s ease-in-out infinite;
    pointer-events: none;
}

@keyframes glassReflection {
    0%, 100% {
        transform: translateX(-100%) translateY(-100%) rotate(45deg);
        opacity: 0;
    }
    50% {
        transform: translateX(100%) translateY(100%) rotate(45deg);
        opacity: 0.3;
    }
}

/* 响应式毛玻璃效果 */
@media screen and (max-width: 768px) {
    .product-center__overlay__gradient {
        backdrop-filter: blur(5px) saturate(150%);
        -webkit-backdrop-filter: blur(15px) saturate(150%);
    }
    
    .product-center__overlay__pattern {
        backdrop-filter: blur(8px);
        -webkit-backdrop-filter: blur(8px);
        animation: none;
        opacity: 0.4;
    }
    
    .product-center__overlay::before {
        animation: none;
        opacity: 0.2;
    }
}