.main {
    margin-left: 0;
    transition: 0.5s;
    padding: 16px;
    position: relative;
    z-index: 1; 
}

.main .title {
    display: flex;
    flex-direction: column;
    justify-content: center;
    align-items: center;
    margin: 250px 10px 400px 10px; 
    padding: 2rem; 
    text-align: center; 
}

.main .title h1 {
    font-size: 70px; 
    margin: 0; 
    color: #3742fa;
    padding: 0 40px;
    border-radius: 30px;
}

.main .title p {
    font-size: 35px; 
    color: rgb(100, 171, 255 );
    margin: 0.5rem 0 0; 
    font-style: italic;
}

.main .introduction .introduction-body {
    display: flex;
    flex-direction: column;
    flex-wrap: nowrap;
    background-color: rgba(255, 255, 255, 0.8); 
    border-radius: 12px;
    padding: 2%;
    margin: 40px 0;
    box-shadow: 0 0 10px -2px #000000;
    border: none;
}

.main .introduction .introduction-body .introduction-title {
    text-align: center;
    font-size: clamp(1.875rem, 1.42rem + 2.27vw, 3.125rem);
}

.main .introduction .introduction-body .content {
    display: flex;
    flex-direction: row;
    flex-wrap: nowrap;
    justify-content: center;
    margin: 2% 0;
}

.main .introduction .introduction-body .content img {
    width: 60%;
    height: auto;
    object-fit: contain;
    border-radius: 12px;
    border-style: solid;
    border-width: 2px;
    border-color: #000000;
    box-shadow: 0 0 10px -2px #000000;
    margin: 0 2% 0 0;
}

.main .introduction .introduction-body .content .text .text-title {
    width: 100%;
    margin: 0 2% 0 0;
    font-size: clamp(1.875rem, 1.648rem + 1.14vw, 2.5rem);
}

.main .introduction .introduction-body .content .text .text-title::before {
    content: "> ";
    font-family: 'MinecraftAE';
    font-size: clamp(1.875rem, 1.648rem + 1.14vw, 2.5rem);
}

.main .introduction .introduction-body .content .text {
    width: 40%;
    padding: 0 2% 0 0;
    display: flex;
    flex-direction: column;
}

.main .introduction .introduction-body .content .text .text-subtitle {
    margin: 2% 0 0 0;
    width: 100%;
    font-size: clamp(1rem, 0.818rem + 0.91vw, 1.5rem);
    word-wrap: normal;
}

.main .introduction .introduction-mobel {
    display: none;
}

.main .thanks {
    background-color: rgba(255, 255, 255, 0.8); 
    border-radius: 10px;
    margin: 40px 0;
    text-align: center;
}

.main .thanks .content{
    background-color: rgb(255, 255, 255);
    border-radius: 10px;
}

.main .thanks .content .thanks-selector{
    width: 100%;
    border-bottom: 2px solid #ccc;
    text-align: left;
}

.main .thanks .content .thanks-selector .thanks-selector-item {
    cursor: pointer;
    background-color: #f4f4f9;
    border: none;
    border-top-left-radius: 10px;
    border-top-right-radius: 10px;
    transition: background-color 0.3s;
    padding: 10px 20px;
}

.main .thanks .content .thanks-selector .thanks-selector-item.active {
    background-color: #19E8A2;
    color: white;
}

.thanks-content-item {
    display: none;
    transition: opacity 0.3s;
}

.thanks-content-item.active {
    display: flex;
    opacity: 1;
}

.thanks .thanks-content .thanks-content-item.active{
    display: flex;
    justify-content: space-around;
    flex-wrap: wrap; /* 允许换行 */
    padding: 20px;
}

.card {
    display: flex;
    background-color: white;
    border-radius: 10px;
    box-shadow: 0 4px 8px rgba(0, 0, 0, 0.1);
    width: 300px;
    height:100px;
    margin: 10px;
    padding: 15px;
    text-align: center;
    transition: transform 0.3s;
}

.card:hover {
    transform: scale(1.05); /* 鼠标悬停时放大 */
}

.card-image {
    height: 80px;
    width:80px ;
    border-radius: 10px;
    margin-bottom: 10px;
}

.card-info {
    text-align: center;
    height:90%;
    width: 180px;
    padding-left:40px;
}

.card-info .title {
    font-size: 20px;
    color: rgb(5, 30, 131);
    margin: 7%;
    padding: 0;
    text-align: left;
}

.card-info .subtitle {
    font-size: 16px;
    color: rgb(100, 171, 255);
    margin: 5px 0 0;
}
@media (max-width: 768px) {
    .main .title h1 {
        font-size: 35px; 
        padding: 0;
    }
    
    .main .title p {
        font-size: 25px; 
    }

    .main .introduction .introduction-body {
        display: none;
    }
    .main .introduction .introduction-mobel {
        display: flex;
        flex-direction: column;
        flex-wrap: nowrap;
        background-color: rgba(255, 255, 255, 0.8); 
        border-radius: 12px;
        padding: 2%;
        margin: 2% 5%;
        box-shadow: 0 0 10px -2px #000000;
        border: none;
    }
    
    .main .introduction .introduction-mobel .introduction-title {
        text-align: center;
        font-size: clamp(1.875rem, 1.42rem + 2.27vw, 3.125rem);
    }
    
    .main .introduction .introduction-mobel .content {
        flex-direction: row;
        flex-wrap: nowrap;
        justify-content: center;
        margin: 2% 0;
    }
    
    .main .introduction .introduction-mobel .content img {
        width: 100%;
        height: auto;
        object-fit: contain;
        border-radius: 12px;
        border-style: solid;
        border-width: 2px;
        border-color: #000000;
        box-shadow: 0 0 10px -2px #000000;
        margin: 0 2% 0 0;
    }
    
    .main .introduction .introduction-mobel .content .text .text-title {
        width: 100%;
        margin: 0 2% 0 0;
        font-size: clamp(1.875rem, 1.648rem + 1.14vw, 2.5rem);
    }
    
    .main .introduction .introduction-mobel .content .text .text-title::before {
        content: "> ";
        font-family: 'MinecraftAE';
        font-size: clamp(1.875rem, 1.648rem + 1.14vw, 2.5rem);
    }
    
    .main .introduction .introduction-mobel .content .text {
        width: 100%;
        padding: 0 0 5% 0;
        display: flex;
        flex-direction: column;
    }
    
    .main .introduction .introduction-mobel .content .text .text-subtitle {
        margin: 2% 0 0 0;
        width: 100%;
        font-size: clamp(1rem, 0.818rem + 0.91vw, 1.5rem);
        word-wrap: normal;
    }

    .thanks-content-item{
        justify-content: center;
    }
    
    .card{
        width: 250px;
    }

    .card-info {
        width: 100%;;
    }

    .card-info .title {
        font-size: 20px;
        color: rgb(5, 30, 131);
        margin: 7%;
        padding: 0;
        text-align: left;
    }
    
    .card-info .subtitle {
        font-size: 16px;
        color: rgb(100, 171, 255);
        margin: 5px 0 0;
    }
    
}