.diy>.whatwedo :root {
    --primary-color: #156082;
    --secondary-color: #E6F4F1;
    --accent-color: #0E4056;
    --text-color: #333333;
    --light-text: #F8FAFC;
    --border-color: #CBD5E1;
    --neutral-bg: #F8FAFC;
}

.diy>.whatwedo * {
    box-sizing: border-box;
    margin: 0;
    padding: 0;
}

.diy>.whatwedo {
    font-family: 'Segoe UI', sans-serif;
    line-height: 1.6;
    color: var(--text-color);
    max-width: 1200px;
    margin: 0 auto;
    padding: 0 1rem;
}

.diy>.whatwedo .header {
    background-color: var(--primary-color);
    color: var(--light-text);
    padding: 2rem 0;
    text-align: center;
    margin-bottom: 2rem;
    border-radius: 0 0 12px 12px;
}

.diy>.whatwedo .header h1 {
    font-size: 2.5rem;
    margin-bottom: 0.5rem;
    color: var(--light-text);
}

.diy>.whatwedo .header p {
    font-size: 1.1rem;
    opacity: 0.9;
}

.diy>.whatwedo h2, .diy>.whatwedo h3 {
    color: var(--primary-color);
    margin: 1.5rem 0 1rem;
    padding-bottom: 0.5rem;
    border-bottom: 2px solid var(--border-color);
}

.diy>.whatwedo h2 {
    font-size: 1.75rem;
}

.diy>.whatwedo h3 {
    font-size: 1.25rem;
}

.diy>.whatwedo p {
    margin-bottom: 1rem;
}

.diy>.whatwedo ul, .diy>.whatwedo ol {
    margin-left: 1.5rem;
    margin-bottom: 1rem;
}

.diy>.whatwedo li {
    margin-bottom: 0.5rem;
}

.diy>.whatwedo .key-info {
    background-color: var(--secondary-color);
    color: var(--primary-color);
    padding: 0.25rem 0.5rem;
    border-radius: 4px;
    font-weight: 600;
}

.diy>.whatwedo .step {
    background-color: var(--neutral-bg);
    border-left: 4px solid var(--primary-color);
    padding: 1.5rem;
    margin: 1.5rem 0;
    border-radius: 0 8px 8px 0;
    box-shadow: 0 2px 4px rgba(0, 0, 0, 0.05);
}

.diy>.whatwedo .step-number {
    font-size: 1.2rem;
    font-weight: 700;
    color: var(--primary-color);
    margin-bottom: 0.75rem;
}

.diy>.whatwedo table {
    width: 100%;
    border-collapse: collapse;
    margin: 1rem 0;
}

.diy>.whatwedo th, .diy>.whatwedo td {
    padding: 0.75rem;
    border: 1px solid var(--border-color);
}

.diy>.whatwedo th {
    background-color: var(--secondary-color);
    color: var(--primary-color);
    text-align: left;
}

.diy>.whatwedo .note {
    background-color: var(--secondary-color);
    border-left: 4px solid var(--accent-color);
    padding: 1rem;
    margin: 1.5rem 0;
    border-radius: 0 4px 4px 0;
    font-style: italic;
    opacity: 0.9;
}

.diy>.whatwedo .cost-factor {
    list-style: none;
    margin-left: 0;
}

.diy>.whatwedo .cost-factor li {
    position: relative;
    padding-left: 1.5rem;
    margin-bottom: 0.75rem;
}

.diy>.whatwedo .cost-factor li::before {
    content: "▶";
    color: var(--primary-color);
    position: absolute;
    left: 0;
    top: 0.1rem;
    font-size: 0.8rem;
}

.diy>.whatwedo .optimization-tip {
    background-color: rgba(21, 96, 130, 0.05);
    padding: 1rem;
    border-radius: 8px;
    margin: 1.5rem 0;
}

.diy>.whatwedo footer {
    text-align: center;
    padding: 1.5rem 0;
    margin-top: 3rem;
    border-top: 2px solid var(--border-color);
    color: var(--primary-color);
}

.diy>.whatwedo .process-image {
    width: 100%;
    max-width: 600px;
    height: auto;
    border-radius: 8px;
    margin: 1rem 0;
    box-shadow: 0 4px 8px rgba(0, 0, 0, 0.1);
}

.diy>.whatwedo .step-image {
    width: 100%;
    max-width: 500px;
    height: auto;
    border-radius: 8px;
    margin: 1rem 0;
}

@media (max-width: 768px) {
    .diy>.whatwedo .header h1 {
        font-size: 2rem;
    }

    .diy>.whatwedo h2 {
        font-size: 1.5rem;
    }
}