:root {
    --clr: #231f2e;
}

.rank-tier-title {
    text-align: center;
    margin: 0;
    font-size: clamp(28px, 6vw, 50px);
    line-height: 1.2;
    width: 100%;
    display: block;
    margin-bottom: 12px;
}

.card_container {
    gap: 25px;
    display: flex;
    align-items: flex-start;
    justify-content: center;
    min-height: 500px;
    width: 1200px;
    flex-wrap: wrap;
    margin: 0 auto;
    padding-top: 150px;
}

/*等级排序的分块div*/
.cardid {
    /* 允许换行 */
    flex-wrap: wrap;
    display: flex;
}

/*卡片css*/
.card_container .card_animation {
    position: relative;
    width: 235px;
    height: 390px;
    border-radius: 20px;
    display: flex;
    justify-content: center;
    align-items: center;
    flex-direction: column;
    cursor: pointer;
    transition: 0.5s;
    backdrop-filter: blur(10px);
    background: linear-gradient(135deg, #0f1419 0%, #1e293b 50%, #3d4a5c 100%);
    border: 1px solid rgb(0, 0, 0);
}

/* 响应式：手机与平板 */
@media (max-width: 1200px) {
    .card_container {
        width: 95%;
    }
}

@media (max-width: 900px) {
    .card_container {
        width: 92%;
        padding-top: 80px;
    }

    .card_container .card_animation {
        width: 45%;
        height: 360px;
    }
}

@media (max-width: 600px) {
    .card_container {
        width: 92%;
        padding-top: 60px;
    }

    .card_container .card_animation {
        width: 100%;
        height: 360px;
    }
}

.card_container .card_animation:hover {
    box-shadow: 0 0 0 10px var(--clr);
}


/*图片样式*/
.card_container .card_animation .img_box {
    position: absolute;
    inset: 20px 20px 50px 20px;
    height: 280px;
    background: #b82020;
    border-radius: 15px;
    transition: 0.5s;
}

.card_container .card_animation:hover .img_box {
    inset: -50px 60px 250px 60px;
    box-shadow: 0 0 0 10px var(--clr);
    height: 100px;
}

.card_container .card_animation .img_box img {
    width: 100%;
    height: 100%;
    object-fit: cover;
    /*保持宽高比，如果图片比例与容器不同，会裁剪多余部分，裁剪时保持图片中心对齐*/
    border-radius: 15px;
}

.card_container .card_animation .img_box::after {
    content: '';
    position: absolute;
    width: 20px;
    height: 20px;
    background: transparent;
    right: -30px;
    border-top-left-radius: 20px;
    transform: translateY(50px) scale(0);
    opacity: 0;
    box-shadow: -5px -5px 0 4px var(--clr);
    pointer-events: none;
    transition: all 0.5s ease;

}

/*卡片圆角效果*/
.card_container .card_animation:hover .img_box::after {
    opacity: 1;
    transform: translateY(50px) scale(1);

}

.card_container .card_animation .img_box::before {
    content: '';
    position: absolute;
    width: 20px;
    height: 20px;
    background: transparent;
    left: -30px;
    border-top-right-radius: 20px;
    transform: translateY(50px) scale(0);
    opacity: 0;
    box-shadow: 5px -5px 0 4px var(--clr);
    pointer-events: none;
    transition: all 0.5s ease;
}

.card_container .card_animation:hover .img_box::before {
    opacity: 1;
    transform: translateY(50px) scale(1);
}

/*文字样式*/
.card_container .card_animation p {
    position: relative;
    padding: 2px;
    text-align: center;
    opacity: 0;
    transform: translateY(-50px);
    transition: 0.5s;
    color: #ffffff;
}

.card_container .card_animation:hover p {
    opacity: 1;
    transform: translateY(5px);
}

/*标题样式*/
.card_container .card_animation h2 {
    position: absolute;
    bottom: 18px;

    color: #fff;
    transition: 0.5s;
    font-weight: 600;
    margin: 0;
    padding: 0;
    text-align: center;

}

.card_container .card_animation:hover h2 {
    padding: 5px 25px;
    background: #ff8181;
    color: #ffffff;
    bottom: -25px;
    border-radius: 15px;
    box-shadow: 0 0 0 10px var(--clr);
}