.cards-grid {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 2rem;
    margin-top: 2rem;
}

.card-item {
    text-align: center;
    background: #f9f9f9;
    padding: 1.5rem;
    border-radius: 12px;
}

.card-item:hover {
    transform: none;
    box-shadow: none;
}

.card-item img {
    width: 100%;
    border-radius: 8px;
    box-shadow: 0 4px 12px rgba(0,0,0,0.1);
    margin-bottom: 1rem;
}

.card-item h3 {
    margin-top: 0.5rem;
    color: var(--color-text-dark);
    font-size: 1.2rem;
}

.card-desc {
    font-size: 0.9rem;
    color: var(--color-text-gray);
    margin-top: 0.5rem;
    line-height: 1.4;
}

.two-column-layout {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 4rem;
    margin-bottom: 2rem;
}

.two-column-layout h2 {
    color: var(--color-accent);
    margin-bottom: 1rem;
}

.rules-section {
    background: #f5f5f7;
    border-radius: 20px;
    padding: 3rem;
    margin-top: 3rem;
}

.rules-grid {
    display: grid;
    grid-template-columns: 1fr;
    gap: 2rem;
    margin-top: 2rem;
}

.rule-block {
    background: white;
    padding: 2rem;
    border-radius: 12px;
    box-shadow: 0 2px 8px rgba(0,0,0,0.05);
}

.rule-block h3 {
    color: var(--color-accent);
    margin-bottom: 1rem;
    border-bottom: 2px solid #eee;
    padding-bottom: 0.5rem;
}

.rule-block ul {
    list-style-type: none;
    padding: 0;
}

.rule-block li {
    margin-bottom: 1rem;
    position: relative;
    padding-left: 1.5rem;
}

.rule-block li::before {
    content: "•";
    color: var(--color-accent);
    position: absolute;
    left: 0;
    font-weight: bold;
}

.action-item {
    margin-bottom: 1.5rem;
}

.action-item strong {
    display: block;
    color: var(--color-text-dark);
    margin-bottom: 0.3rem;
}

.methodology-section {
    margin-top: 4rem;
}

.timeline {
    display: flex;
    flex-direction: column;
    gap: 2rem;
    position: relative;
    padding-left: 2rem;
    border-left: 2px solid #eee;
}

.timeline-item {
    position: relative;
}

.timeline-item::before {
    content: "";
    position: absolute;
    left: -2.6rem;
    top: 0.5rem;
    width: 1rem;
    height: 1rem;
    background: var(--color-accent);
    border-radius: 50%;
    border: 4px solid white;
    box-shadow: 0 0 0 1px #eee;
}

.timeline-item h3 {
    font-size: 1.5rem;
    margin-bottom: 0.5rem;
}

.timeline-item p {
    margin-bottom: 0.5rem;
    font-size: 1rem;
}

@media (max-width: 768px) {
    .two-column-layout {
        grid-template-columns: 1fr;
        gap: 2rem;
    }
    
    .rules-section {
        padding: 1.5rem;
    }
    
    .timeline {
        padding-left: 1.5rem;
    }
    
    .timeline-item::before {
        left: -2.1rem;
    }
}

.steps-section {
    display: flex;
    flex-direction: column;
    gap: 4rem;
}

.step-item {
    display: flex;
    align-items: center;
    gap: 3rem;
}

.step-item.reverse {
    flex-direction: row-reverse;
}

.step-item img {
    flex: 1;
    max-width: 60%;
    border-radius: 8px;
    box-shadow: 0 4px 12px rgba(0,0,0,0.1);
}

.step-item .step-text {
    flex: 1;
}

.step-item h3 {
    font-size: 2rem;
    color: var(--color-accent);
    margin-bottom: 1rem;
}

@media (max-width: 768px) {
    .step-item, .step-item.reverse {
        flex-direction: column;
        text-align: center;
    }
    
    .step-item img {
        max-width: 100%;
    }
}

.manual-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
    gap: 2rem;
    margin-top: 2rem;
}

.manual-grid img {
    width: 100%;
    border-radius: 8px;
    box-shadow: 0 4px 12px rgba(0,0,0,0.15);
    transition: transform 0.3s ease;
}

.manual-grid img:hover {
    transform: scale(1.02);
}

.schematic-section {
    background: transparent;
    padding: 0;
    margin: 0;
    text-align: left;
}

.schematic-section img {
    max-width: 100%;
    height: auto;
    box-shadow: none;
    border-radius: 8px;
}