.level-content {
    padding: 20px;
    max-width: 1200px;
    margin: 0 auto;
    margin-top: 100px;
}

.level-header-section {
    display: flex;
    justify-content: space-between;
    align-items: center;
    margin-bottom: 0;
    padding-bottom: 0;
}

.level-title {
    font-size: 25px;
    color: #fff;
    font-family: "Roboto Slab", sans-serif;
    font-weight: bold;
    margin: 0;
}

.stars-nav-container {
    top: 30px;
    right: 0px;
    display: flex;
    position: absolute;
}

.stars-nav {
    display: flex;
    gap: 30px;
    padding: 15px 20px;
    background: none;
}

@media (max-width: 1350px) {
    .stars-nav-container {
        top: auto;
        right: auto;
        display: flex;
        position: relative;
        justify-content: center;
        margin-bottom: 10px;
        background: none;
    }

    .stars-nav {
        border: 2px solid #fff;
        border-radius: 10px;
    }
}

.star-item {
    display: flex;
    align-items: center;
    cursor: pointer;
    padding-bottom: 5px;
    gap: 10px;
    justify-content: center;
    user-select: none;
    -webkit-user-select: none;
    -moz-user-select: none;
    -ms-user-select: none;
    position: relative;
    z-index: 1;
    background: none;
    text-align: center;
}

.star-item.active .star-label {
    color: #f8ad00;
}

.bigstar[_ngcontent-c3] {
    display: inline-block;
    width: 50px;
    height: 50px;
}

.star-label {
    font-size: 25px;
    font-family: "Open Sans", sans-serif;
    font-weight: bold;
    color: #fff;
}

.star-item:hover .star-label {
    text-decoration-color: #fff;
}

.content-section {
    display: flex;
    flex-direction: column;
    gap: 7px;
    max-width: 100%;
}

.tools-section {
    background: none !important;
    display: flex;
    flex-wrap: wrap;
    align-items: center;
    gap: 7px;
}

p.tool-label {
    font-size: 25px;
    color: #fff;
    font-family: "华文中宋", sans-serif;
    margin: 0;
}

.solution-image {
    border-radius: 10px;
    width: 100%;
    height: 100%;
}

.steps-section {
    background-color: #f8f9fa;
    padding: 30px;
    border-radius: 10px;
    margin-top: 0;
    box-shadow: 0 4px 12px rgba(0,0,0,0.1);
    width: 95%;
    margin: 0 auto;
}

.step-content {
    display: none;
    cursor: pointer;
    padding: 20px;
    border-radius: 8px;
    transition: all 0.3s ease;
    border: 2px solid transparent;
}

.step-content:hover {
    background-color: #f0f8ff;
    border-color: #e6f7ff;
}

.step-content.active {
    display: block;
    background-color: #e6f7ff;
    border-color: #1890ff;
}

.step-title {
    font-size: 25px;
    font-weight: bold;
    color: #333;
    margin-bottom: 20px;
    border-bottom: 2px solid #1890ff;
    padding-bottom: 10px;
}

.step-description {
    font-size: 16px;
    line-height: 1.8;
    color: #666;
    background: white;
    padding: 20px;
    border-radius: 8px;
    box-shadow: 0 2px 8px rgba(0,0,0,0.05);
}

.levels-box-inner[_ngcontent-c8] {
    position: relative;
    margin: 0 auto;
    padding-top: 120px;
    height: 100%;
    max-width: 90%;
}