.solution-module {
    width: 80%;
    margin: 0 auto;
    padding: 50px 0;
}

.solution-header {
    text-align: center;
    margin-bottom: 50px;
}

.solution-title {
    font-size: 2.4vw;
    color: #333;
    margin-bottom: 10px;
    /* background: linear-gradient(135deg, #007bff, #0056b3); */
    /* background-color: var(--primay-color); */
    /* -webkit-background-clip: text; */
    /* -webkit-text-fill-color: transparent; */
    /* background-clip: text; */
}

.solution-tagline {
    font-size: 1.2em;
    color: #666;
    font-style: italic;
}

.formula-section {
    display: flex;
    justify-content: center;
    align-items: center;
    flex-wrap: wrap;
    gap: 15px;
    margin-bottom: 50px;
    padding: 30px;
    background: linear-gradient(135deg, #f8f9fa, #e9ecef);
    border-radius: 10px;
    box-shadow: 0 4px 15px rgba(0,0,0,0.1);
}

.material {
    font-size: 1.8em;
    font-weight: bold;
    color: var(--main-font-color);
    padding: 10px 20px;
    background: white;
    border-radius: 8px;
    box-shadow: 0 2px 8px var(--secondary-color);
}

.plus, .equal {
    font-size: 2em;
    font-weight: bold;
    color: #333;
}

.result {
    font-size: 1.8em;
    font-weight: bold;
    color: var(--primay-color);
    padding: 10px 20px;
    background: white;
    border-radius: 8px;
    box-shadow: 0 2px 8px var(--secondary-color);
}

.effects-grid {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: 30px;
}

.effect-item {
    text-align: center;
    padding: 30px 20px;
    background: white;
    border-radius: 10px;
    box-shadow: 0 4px 15px rgba(0,0,0,0.1);
    transition: transform 0.3s ease, box-shadow 0.3s ease;
    border-top: 4px solid;
}

.effect-item:hover {
    transform: translateY(-5px);
    box-shadow: 0 8px 25px rgba(0,0,0,0.15);
}

.effect-item:nth-child(1) {
    border-top-color: #dc3545;
}

.effect-item:nth-child(2) {
    border-top-color: #007bff;
}

.effect-item:nth-child(3) {
    border-top-color: #28a745;
}

.effect-icon {
    font-size: 3em;
    margin-bottom: 20px;
}

.effect-title {
    font-size: 1.5em;
    color: #333;
    margin-bottom: 15px;
    font-weight: bold;
}

.effect-desc {
    color: #666;
    line-height: 1.6;
    margin: 0;
}

/* 响应式设计 */
@media (max-width: 768px) {
    .solution-module {
        width: 95%;
        padding: 30px 0;
    }
    
    .solution-title {
        font-size: 2em;
    }
    
    .formula-section {
        flex-direction: column;
        gap: 10px;
        padding: 20px;
    }
    
    .material, .result {
        font-size: 1.3em;
    }
    
    .effects-grid {
        grid-template-columns: 1fr;
        gap: 20px;
    }
    
    .effect-item {
        padding: 20px 15px;
    }
}