/* ===== SHARED PAGE STYLES ===== */
.page-header-wrapper {
    position: sticky;
    top: 0;
    background: rgba(255, 255, 255, 0.92);
    backdrop-filter: blur(12px);
    -webkit-backdrop-filter: blur(12px);
    z-index: 100;
    border-bottom: 1px solid #e8e8e8;
}

.page-header {
    display: flex;
    justify-content: space-between;
    align-items: center;
    padding: 20px 24px;
    max-width: 1200px;
    margin: 0 auto;
}

.page-title {
    font-size: 32px;
    font-weight: 700;
    letter-spacing: -1px;
    color: #0a0a0a;
    text-shadow: 1px 4px 6px rgba(0, 0, 0, 0.18);
}

.page-nav {
    display: flex;
    gap: 24px;
}

.page-nav a {
    font-size: 14px;
    font-weight: 500;
    color: #0a0a0a;
    transition: opacity 0.2s;
}

.page-nav a:hover {
    opacity: 0.6;
}

.page-content {
    max-width: 640px;
    margin: 0 auto;
    padding: 56px 24px 80px;
}

.page-content h2 {
    font-size: 16px;
    font-weight: 700;
    color: #0a0a0a;
    margin-top: 40px;
    margin-bottom: 12px;
}

.page-content p {
    font-size: 14px;
    color: #444;
    line-height: 1.8;
    margin-bottom: 16px;
}

.page-content a {
    color: #0a0a0a;
    text-decoration: underline;
}

.page-content a:hover {
    opacity: 0.6;
}

/* ===== GUIDE SPECIFIC ===== */
.page-content h3 {
    font-size: 15px;
    font-weight: 700;
    color: #0a0a0a;
    margin-top: 28px;
    margin-bottom: 8px;
}

.page-content ul {
    list-style: none;
    padding: 0;
    margin-bottom: 16px;
}

.page-content ul li {
    font-size: 14px;
    color: #444;
    line-height: 1.8;
    padding-left: 20px;
    position: relative;
}

.page-content ul li::before {
    content: "▸";
    position: absolute;
    left: 0;
    color: #0a0a0a;
    font-weight: 700;
}

.page-content table {
    width: 100%;
    border-collapse: collapse;
    margin: 16px 0 24px;
    font-size: 14px;
}

.page-content table th {
    text-align: left;
    font-weight: 700;
    color: #0a0a0a;
    padding: 10px 16px;
    background: #f5f5f5;
    border-radius: 0;
}

.page-content table th:first-child {
    border-radius: 10px 0 0 0;
}

.page-content table th:last-child {
    border-radius: 0 10px 0 0;
}

.page-content table td {
    padding: 10px 16px;
    color: #444;
    line-height: 1.6;
    border-bottom: 1px solid #eee;
}

.page-content table tr:last-child td {
    border-bottom: none;
}

.page-content table td:first-child {
    white-space: nowrap;
    font-weight: 600;
    color: #0a0a0a;
    font-family: Consolas, 'Courier New', monospace;
    font-size: 13px;
}

.page-content .info-box {
    background: #f5f5f5;
    border-radius: 12px;
    padding: 20px 24px;
    margin: 16px 0 24px;
    font-size: 14px;
    color: #444;
    line-height: 1.8;
}

.page-content .info-box strong {
    color: #0a0a0a;
}

.page-content .tip-box {
    background: #f5f5f5;
    border-left: 3px solid #0a0a0a;
    border-radius: 0 12px 12px 0;
    padding: 20px 24px;
    margin: 16px 0 24px;
    font-size: 14px;
    color: #444;
    line-height: 1.8;
}

.page-content .tip-box strong {
    color: #0a0a0a;
}

.page-content kbd {
    display: inline-block;
    background: #f5f5f5;
    border: 1px solid #ddd;
    border-radius: 4px;
    padding: 1px 6px;
    font-family: Consolas, 'Courier New', monospace;
    font-size: 12px;
    color: #0a0a0a;
    font-weight: 600;
}

/* ===== RESPONSIVE ===== */
@media (max-width: 600px) {
    .page-header {
        flex-direction: column;
        gap: 16px;
        text-align: center;
    }

    .page-title {
        font-size: 24px;
    }

    .page-content {
        padding: 40px 24px 60px;
    }
}