/* 内容介绍 */
.introduction {
    background-image: url(../img/product-bg.jpg);
    background-size: cover;
    background-repeat: no-repeat;
    background-position: center;
    height: 658px;
}

.introduction-content {
    height: 100%;
    display: flex;
    justify-content: flex-end;
}

.introduction .content-section {
    color: #ffffff;
    width: 723px;
}

.introduction .content-section h2 {
    margin-top: 129px;
    padding-bottom: 21.5px;
    font-size: 40px;
    font-weight: 500;
    position: relative;
    border-bottom: 0.2px solid #ffffff;
}

.introduction .content-section h2title {
    margin-top: 129px;
    padding-bottom: 21.5px;
    font-size: 40px;
    font-weight: 500;
}



.introduction .content-section h2::after {
    content: '';
    position: absolute;
    left: 0;
    bottom: -1.5px;
    width: 120px;
    height: 3px;
    background-color: rgba(255, 255, 255, 0.99);
}

.introduction .content-section .title1::after {
    content: '';
    position: absolute;
    left: 0;
    bottom: -1.5px;
    width: 120px;
    height: 3px;
    background-color: rgba(255, 255, 255, 0.99);
}

.introduction .content-section .title2::after {
    content: '';
    position: absolute;
    left: 0;
    bottom: -1.5px;
    width: 120px;
    height: 3px;
    background-color: #001555;
}

.introduction .content-section p {
    line-height: 40px;
    margin-top: 30.5px;
}

.introduction .buttons {
    margin-top: 113px;
    display: flex;
    gap: 42px;
}

.introduction .btn {
    border: 1px solid #fff;
    background: transparent;
    color: #fff;
    font-size: 26px;
    font-weight: 700;
    cursor: pointer;
    transition: all 0.3s ease;
    display: flex;
    align-items: center;
    width: 245px;
    height: 70px;
    display: flex;
    justify-content: center;
    align-items: center;
    border-radius: 7px;
}

.introduction .btn:hover {
    transform: translateY(-3px);
    box-shadow: 0 4px 8px rgba(0, 0, 0, 0.2);
}

.introduction .btn img {
    object-fit: contain;
    margin-right: 24px;
}

.introduction .btn:first-child img {
    width: 39.73px;
    height: 33.83px;
}

.introduction .btn:last-child img {
    width: 25.54px;
    height: 42.72px;
}

@media (max-width: 768px) {
    .introduction {
        height: auto;
    }

    .introduction .content-section {
        width: 62%;
        margin-left: 38%;
        padding: 0px;
    }

    .introduction .content-section h2 {
        font-size: 16px;
        margin-top: 0px;
        padding-bottom: 10px;
    }

    .introduction .content-section h2::after {
        width: 50px;
        height: 2px;
    }

    .introduction .content-section p {
        font-size: 13px;
        line-height: 20px;
        margin-top: 15px;
    }

    .introduction .buttons {
        gap: 6px;
        margin-top: 35px;
    }

    .introduction .btn {
        font-size: 13px;
        width: 90px;
        height: 34px;
    }

    .introduction .btn img {
        margin-right: 5px;
    }

    .introduction .btn:first-child img {
        width: 20px;
        height: 17px;
    }

    .introduction .btn:last-child img {
        width: 13px;
        height: 21px;
    }

    .introduction .btn:hover {
        transform: translateY(0px);
    }
}


/* 系统参数 */
.parameters {
    margin-top: 75px;
    margin-bottom: 75px;
}

.parameters .title {
    font-weight: 700;
    color: rgba(0, 21, 85, 0.99);
    font-size: 40px;
    position: relative;
    padding-bottom: 35.5px;
    border-bottom: 0.2px solid #707070;
    margin-bottom: 46.5px;
}

.parameters .title::after {
    content: '';
    position: absolute;
    left: 0;
    bottom: -1.5px;
    width: 157px;
    height: 3px;
    background-color: rgba(0, 21, 85, 0.99);
}

.parameters-table {
    width: 100%;
    border-radius: 7px;
    #box-shadow: 4px 4px 10px rgba(0, 0, 0, 0.16);
    padding: 0px 30px;
}

.parameters-table table {
    width: 100%;
    border-collapse: collapse;
}

.parameters-table th {
    font-weight: 700;
    color: rgba(0, 21, 85, 0.99);
    font-size: 30px;
    height: 62px;
}

.parameters-table th,
.parameters-table td {
    text-align: center;
    border-bottom: 0.2px solid #707070;
    width: 50%;
    word-wrap: break-word;
    padding: 5px;
    box-sizing: border-box;
    line-height: 30px;
}

.parameters-table td {
    height: 56px;
}

.parameters-table th:first-child {
    border-right: 0.2px solid #707070;
}

.parameters-table td:first-child {
    border-right: 0.2px solid #707070;
}

.parameters-table tr:last-child td {
    border-bottom: none;
    color: rgba(0, 21, 85, 0.99);
    cursor: pointer;
    height: 82px;
}

.parameters-table tr:last-child td {
    border-right: none;
    text-align: left;
}

.parameters-table tr:last-child td:last-child {
    text-align: right;
}

@media (max-width: 768px) {
    .parameters {
        margin-top: 0px;
        margin-bottom: 0px;
    }

    .parameters .title {
        font-size: 16px;
        padding-bottom: 12px;
        margin-bottom: 20px;
    }

    .parameters .title::after {
        bottom: -1px;
        width: 60px;
        height: 2px;
    }

    .parameters-table {
        padding: 0px 10px;
    }

    .parameters-table th {
        font-size: 14px;
        font-weight: 700;
    }

    .parameters-table td {
        font-size: 13px;
    }
}