* {
    margin: 0;
    padding: 0;
    box-sizing: border-box;
}

body {
    font-family: -apple-system, BlinkMacSystemFont, 'Segoe UI', 'Tera', 'Chiret', 'Helvetica Neue', Arial, 'Noto Sans', sans-serif;
    line-height: 1.65;
    color: #333;
    background: #f5f5f5;
}

.container {
    max-width: 860px;
    margin: 0 auto;
    background: white;
    box-shadow: 0 2px 10px rgba(0,0,0,0.1);
    border-radius: 8px;
    margin-top: 2rem;
    margin-bottom: 2rem;
}

.header {
    background: #06122c;
    color: white;
    padding: 2rem;
    border-radius: 8px 8px 0 0;
}

.header h1 {
    font-size: 2rem;
    margin-bottom: 0.5rem;
}

.header p {
    font-size: 1.05rem;
    opacity: 0.92;
}

.content {
    padding: 2rem;
}

.breadcrumb {
    font-size: 0.9rem;
    margin-bottom: 1.5rem;
    color: #64748b;
}

.breadcrumb a {
    color: #06122c;
    text-decoration: none;
    font-weight: 600;
}

.breadcrumb a:hover {
    text-decoration: underline;
}

h2 {
    color: #06122c;
    margin-top: 2rem;
    margin-bottom: 1rem;
    font-size: 1.45rem;
    border-bottom: 2px solid #06122c;
    padding-bottom: 0.5rem;
}

h2:first-of-type {
    margin-top: 0;
}

h3 {
    color: #06122c;
    margin-top: 1.5rem;
    margin-bottom: 0.5rem;
    font-size: 1.15rem;
}

h4 {
    color: #334155;
    margin-top: 1rem;
    margin-bottom: 0.35rem;
    font-size: 1rem;
}

p {
    margin-bottom: 1rem;
}

ul, ol {
    margin-left: 1.5rem;
    margin-bottom: 1rem;
}

li {
    margin-bottom: 0.45rem;
}

.highlight {
    background: #f0f8ff;
    padding: 1rem 1.15rem;
    border-left: 4px solid #06122c;
    margin: 1rem 0;
    border-radius: 4px;
}

.warning {
    background: #fffbeb;
    padding: 1rem 1.15rem;
    border-left: 4px solid #f59e0b;
    margin: 1rem 0;
    border-radius: 4px;
}

.success {
    background: #ecfdf5;
    padding: 1rem 1.15rem;
    border-left: 4px solid #10b981;
    margin: 1rem 0;
    border-radius: 4px;
}

.step {
    background: #f8fafc;
    border: 1px solid #e2e8f0;
    border-radius: 10px;
    padding: 1.25rem 1.35rem;
    margin-bottom: 1rem;
}

.step-num {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    width: 28px;
    height: 28px;
    background: #06122c;
    color: white;
    border-radius: 50%;
    font-weight: 700;
    font-size: 0.85rem;
    margin-right: 0.5rem;
}

.step-title {
    font-weight: 700;
    color: #06122c;
    font-size: 1.05rem;
    margin-bottom: 0.5rem;
    display: flex;
    align-items: center;
}

.flow-diagram {
    background: #f1f5f9;
    border-radius: 10px;
    padding: 1.25rem;
    margin: 1rem 0 1.5rem;
    font-family: ui-monospace, SFMono-Regular, Menlo, Consolas, monospace;
    font-size: 0.9rem;
    line-height: 1.8;
    overflow-x: auto;
    white-space: pre;
    color: #0f172a;
}

.guide-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(240px, 1fr));
    gap: 1rem;
    margin: 1.25rem 0;
}

.guide-card {
    background: #f8fafc;
    border: 1px solid #e2e8f0;
    border-radius: 12px;
    padding: 1.25rem;
    text-decoration: none;
    color: inherit;
    transition: transform 0.15s ease, box-shadow 0.15s ease;
}

.guide-card:hover {
    transform: translateY(-2px);
    box-shadow: 0 4px 14px rgba(0,0,0,0.08);
    text-decoration: none;
    color: inherit;
}

.guide-card h4 {
    color: #06122c;
    margin: 0 0 0.35rem 0;
    font-size: 1.05rem;
}

.guide-card p {
    margin: 0;
    font-size: 0.9rem;
    color: #64748b;
}

.btn {
    display: inline-block;
    background: #06122c;
    color: white;
    padding: 10px 20px;
    text-decoration: none;
    border-radius: 6px;
    font-weight: 600;
    margin: 6px 6px 6px 0;
    transition: background-color 0.2s ease;
    font-size: 0.95rem;
}

.btn:hover {
    background: #0a1f4a;
    color: white;
}

.btn-secondary {
    background: #e2e8f0;
    color: #06122c;
}

.btn-secondary:hover {
    background: #cbd5e1;
    color: #06122c;
}

.table-wrap {
    overflow-x: auto;
    margin: 1rem 0;
}

table.compare {
    width: 100%;
    border-collapse: collapse;
    font-size: 0.92rem;
}

table.compare th,
table.compare td {
    border: 1px solid #e2e8f0;
    padding: 10px 12px;
    text-align: left;
    vertical-align: top;
}

table.compare th {
    background: #f1f5f9;
    color: #06122c;
    font-weight: 700;
}

.footer-nav {
    margin-top: 2rem;
    padding-top: 1.5rem;
    border-top: 1px solid #e2e8f0;
}

@media (max-width: 768px) {
    .container {
        margin: 1rem;
        border-radius: 0;
    }

    .header {
        border-radius: 0;
        padding: 1.5rem;
    }

    .header h1 {
        font-size: 1.6rem;
    }

    .content {
        padding: 1.25rem;
    }
}