body {
    position: relative;
    width: 100vw;
    min-height: 100vh;
    display: flex;
    flex-direction: column;
    overflow-x: hidden;
}

.content-box {
    flex: 1;
    width: 65%;
}

.c-innerbox h1 {
    font-size: 40px;
    text-transform: uppercase;
    color: #fff;
}

.class_title {
    font-size: 25px;
    color: #000;
    line-height: 2;
}

.footer {
    margin-bottom: 0px;
}

.class_text {
    font-size: 16px;
    line-height: 1.5;
    color: rgba(11, 17, 31, .72);
    margin-bottom: 10px;
}

.type_content {
    width: 100%;
    height: auto;
    padding: 10px 0;
    display: flex;
    flex-wrap: wrap;
}

.type_box {
    width: 28%;
    padding: 24px 24px 14px;
    margin: 0 20px 20px 0;
    border-radius: 5px;
    box-shadow: 0 2px 4px 0 rgba(79, 92, 151, .03), 0 1px 50px 0 rgba(34, 45, 56, .1);
}

.tb_top {
    width: 100%;
    display: flex;
    justify-content: space-between;
    align-items: center;
}

.tb_top img {
    width: 30%;
    height: 100px;
}

.type_text {
    width: 65%;
    height: auto;
}

.type_text p:nth-of-type(1) {
    color: #000;
    font-size: 18px;
    font-weight: 600;
    line-height: 1.5;
}

.type_text p:nth-of-type(2) {
    font-size: 14px;
    color: #636772;
    overflow: hidden;
    text-overflow: ellipsis;
    display: -webkit-box;
    -webkit-box-orient: vertical;
    -webkit-line-clamp: 2;
}

.tb_bottom {
    padding: 10px 0 5px;
    line-height: 1.5;
    font-size: 15px;
    color: #636772;
    overflow: hidden;
    text-overflow: ellipsis;
    display: -webkit-box;
    -webkit-box-orient: vertical;
    -webkit-line-clamp: 3;
}

.tb_btn {
    display: flex;
    justify-content: space-between;
    align-items: center;
    margin: 10px 0;
}

.tb_btn p:nth-of-type(1) {
    font-size: 16px;
    color: #2962ff;
    text-decoration: underline;
    text-underline-offset: 5px;
}

/* Guide section styles */
.guide-section {
    margin: 25px 0;
    padding: 15px;
    background-color: #f9f9f9;
    border-left: 4px solid #2c3e50;
    border-radius: 5px;
}

.guide-section h2 {
    font-size: 24px;
    font-weight: 600;
    margin: 0 0 15px 0;
    color: #2c3e50;
}

.guide-section p {
    width: 95%;
    margin: 10px auto;
    color: #333;
    font-size: 16px;
    line-height: 1.6;
}

.guide-section a {
    color: #2962ff;
    text-decoration: underline;
    text-underline-offset: 5px;
}

.tip-box {
    background-color: #e3f2fd;
    padding: 12px;
    margin: 10px 0;
    border-left: 4px solid #2196f3;
    border-radius: 3px;
}

.tip-box p {
    margin: 0;
    font-size: 15px;
    line-height: 1.5;
}

.guide-section {
    width: 1300px;
    margin: 20px auto !important;
}

@media (max-width: 760px) {
    .type_box {
        width: 90%;
        margin: 0 auto 20px;
    }

    .content-box {
        width: 94%;
    }

    .guide-section {
        width: 80%;

    }
}

@media (min-width: 760px) {
    .type_box:nth-of-type(3n) {
        margin-right: 0px;
    }

    .guide-section {
        margin: 30px 0;
        padding: 20px;
    }

    .guide-section h2 {
        font-size: 28px;
        margin: 30px 0 15px 0;
    }

    .guide-section p {
        width: 100%;
        font-size: 18px;
        margin: 15px 0;
    }

    .tip-box {
        padding: 15px;
        margin: 15px 0;
    }

    .tip-box p {
        font-size: 17px;
    }
}