.page-body {
    padding: 70px 0 90px;
    background: #fff;
}

.body-grid {
    display: grid;
    grid-template-columns: 1fr 310px;
    gap: 50px;
    align-items: start;
}

.srv-article {
    background: #fff;
    border-radius: 24px;
    padding: 55px 60px;
    border: 1px solid rgba(0, 0, 0, 0.05);
    box-shadow: 0 2px 20px rgba(0, 0, 0, 0.04);
}

.srv-featured-img {
    width: 100%;
    height: auto;
    border-radius: 18px;
    border: 1px solid rgba(0, 0, 0, 0.06);
    box-shadow: 0 10px 30px rgba(0, 0, 0, 0.08);
    display: block;
    margin-bottom: 32px;
}

.srv-article h2 {
    font-size: 1.65rem;
    font-weight: 800;
    color: var(--text-primary);
    margin: 48px 0 18px;
    padding-bottom: 14px;
    border-bottom: 2px solid var(--border-color);
    position: relative;
    scroll-margin-top: 120px;
}

.srv-article h2::after {
    content: '';
    position: absolute;
    bottom: -2px;
    right: 0;
    width: 55px;
    height: 2px;
    background: var(--primary);
    border-radius: 2px;
}

.srv-article h2:first-child {
    margin-top: 0;
}

.srv-article h3 {
    font-size: 1.18rem;
    font-weight: 800;
    color: var(--accent-purple);
    margin: 30px 0 12px;
}

.srv-article p {
    font-size: 1.02rem;
    line-height: 1.95;
    color: #555;
    margin-bottom: 18px;
    font-weight: 500;
}

.srv-article p strong {
    color: var(--text-primary);
    font-weight: 800;
}

.srv-article p:last-of-type {
    margin-bottom: 0;
}

.srv-article h2,
.srv-article h3,
.srv-article p,
.inline-cta {
    opacity: 0;
    transform: translateY(18px);
    transition: opacity 0.55s ease, transform 0.55s ease;
}

.srv-article h2.in-view,
.srv-article h3.in-view,
.srv-article p.in-view,
.inline-cta.in-view {
    opacity: 1;
    transform: translateY(0);
}

.inline-cta {
    display: flex;
    align-items: center;
    justify-content: space-between;
    gap: 24px;
    margin-top: 50px;
    padding: 30px 35px;
    background: linear-gradient(135deg, #141224 0%, #201a35 100%);
    border-radius: 20px;
    flex-wrap: wrap;
}

.inline-cta-text {
    display: flex;
    flex-direction: column;
    gap: 6px;
}

.inline-cta-text strong {
    font-size: 1.05rem;
    font-weight: 800;
    color: #fff;
}

.inline-cta-text span {
    font-size: 0.9rem;
    color: rgba(255, 255, 255, 0.6);
    font-weight: 500;
}

.inline-cta-btns {
    display: flex;
    gap: 12px;
    flex-shrink: 0;
}

.icta-btn-main {
    display: inline-flex;
    align-items: center;
    padding: 12px 26px;
    background: #fff;
    color: var(--text-primary);
    border-radius: 12px;
    font-size: 0.95rem;
    font-weight: 800;
    transition: all 0.3s;
    white-space: nowrap;
}

.icta-btn-main:hover {
    background: var(--primary);
    color: #fff;
    transform: translateY(-2px);
}

.icta-btn-wa {
    display: inline-flex;
    align-items: center;
    gap: 8px;
    padding: 12px 22px;
    background: #25D366;
    color: #fff;
    border-radius: 12px;
    font-size: 0.95rem;
    font-weight: 800;
    transition: all 0.3s;
    white-space: nowrap;
}

.icta-btn-wa:hover {
    background: #1ebe57;
    transform: translateY(-2px);
    box-shadow: 0 8px 20px rgba(37, 211, 102, 0.35);
}

.srv-sidebar {
    position: sticky;
    top: 110px;
    display: flex;
    flex-direction: column;
    gap: 22px;
}

.widget {
    background: #fff;
    border-radius: 20px;
    padding: 26px;
    border: 1px solid rgba(0, 0, 0, 0.05);
    box-shadow: 0 2px 16px rgba(0, 0, 0, 0.04);
    opacity: 0;
    transform: translateY(14px);
    transition: opacity 0.6s ease, transform 0.6s ease;
}

.widget.in-view {
    opacity: 1;
    transform: translateY(0);
}

.widget-title {
    font-size: 1rem;
    font-weight: 800;
    color: var(--text-primary);
    margin-bottom: 18px;
    display: flex;
    align-items: center;
    gap: 10px;
}

.widget-title i {
    color: var(--primary);
    font-size: 0.95rem;
}

.toc-list {
    display: flex;
    flex-direction: column;
    gap: 2px;
}

.toc-item {
    display: flex;
    align-items: center;
    gap: 12px;
    padding: 9px 12px;
    border-radius: 10px;
    font-size: 0.92rem;
    font-weight: 600;
    color: var(--text-secondary);
    transition: color 0.25s, background 0.25s;
    cursor: pointer;
    text-decoration: none;
}

.toc-item:hover {
    color: var(--accent-purple);
    background: rgba(174, 57, 93, 0.04);
}

.toc-item.active {
    color: var(--primary);
    background: rgba(174, 57, 93, 0.06);
    font-weight: 800;
}

.toc-bar {
    width: 3px;
    min-width: 3px;
    height: 18px;
    border-radius: 3px;
    background: var(--border-color);
    transition: background 0.25s, height 0.25s;
}

.toc-item.active .toc-bar,
.toc-item:hover .toc-bar {
    background: var(--primary);
    height: 22px;
}

.book-widget {
    background: linear-gradient(135deg, #141224 0%, #201a35 100%);
    color: #fff;
    text-align: center;
    border: none;
}

.book-widget-icon {
    width: 60px;
    height: 60px;
    background: var(--primary);
    border-radius: 16px;
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 1.5rem;
    color: #fff;
    margin: 0 auto 16px;
    box-shadow: 0 8px 20px rgba(174, 57, 93, 0.4);
}

.book-widget h4 {
    font-size: 1.05rem;
    font-weight: 800;
    margin-bottom: 8px;
}

.book-widget p {
    font-size: 0.88rem;
    color: rgba(255, 255, 255, 0.6);
    font-weight: 500;
    margin-bottom: 20px;
    line-height: 1.6;
}

.book-phone,
.book-wa {
    display: flex;
    align-items: center;
    justify-content: center;
    gap: 10px;
    padding: 13px;
    border-radius: 12px;
    font-size: 0.95rem;
    font-weight: 800;
    transition: all 0.3s;
    margin-bottom: 10px;
}

.book-phone {
    background: rgba(255, 255, 255, 0.1);
    color: #fff;
    border: 1px solid rgba(255, 255, 255, 0.12);
}

.book-phone:hover {
    background: rgba(255, 255, 255, 0.18);
    transform: translateY(-2px);
}

.book-wa {
    background: #25D366;
    color: #fff;
    margin-bottom: 0;
}

.book-wa:hover {
    background: #1ebe57;
    transform: translateY(-2px);
    box-shadow: 0 8px 20px rgba(37, 211, 102, 0.35);
}

.related-list {
    display: flex;
    flex-direction: column;
    gap: 4px;
}

.related-item {
    display: flex;
    align-items: center;
    gap: 14px;
    padding: 10px 8px;
    border-radius: 12px;
    transition: background 0.25s, transform 0.25s;
    text-decoration: none;
}

.related-item:hover {
    background: rgba(174, 57, 93, 0.04);
    transform: translateX(-3px);
}

.rel-icon {
    width: 38px;
    height: 38px;
    min-width: 38px;
    border-radius: 10px;
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 1rem;
    color: #fff;
    background: linear-gradient(135deg, var(--primary), var(--primary-dark));
    box-shadow: 0 2px 6px rgba(174, 57, 93, 0.25);
}

.rel-name {
    flex: 1;
    font-size: 0.92rem;
    font-weight: 700;
    color: var(--text-primary);
}

.rel-arrow {
    font-size: 0.7rem;
    color: var(--accent-purple);
    opacity: 0;
    transition: opacity 0.25s, transform 0.25s;
}

.related-item:hover .rel-arrow {
    opacity: 1;
    transform: translateX(-3px);
}

@media (max-width: 1100px) {
    .body-grid {
        grid-template-columns: 1fr 280px;
        gap: 35px;
    }

    .srv-article {
        padding: 45px 40px;
    }
}

@media (max-width: 900px) {
    .body-grid {
        grid-template-columns: 1fr;
        gap: 30px;
    }

    .srv-sidebar {
        position: static;
        display: grid;
        grid-template-columns: 1fr 1fr;
        gap: 16px;
    }

    .book-widget {
        grid-column: 1 / -1;
    }
}

@media (max-width: 768px) {
    .srv-sidebar {
        grid-template-columns: 1fr;
        gap: 14px;
    }
}

@media (max-width: 640px) {
    .srv-article {
        padding: 24px 16px;
        border-radius: 16px;
    }

    .srv-article h2 {
        font-size: 1.25rem;
        margin: 32px 0 14px;
    }

    .srv-article h3 {
        font-size: 1.05rem;
        margin: 24px 0 10px;
    }

    .srv-article p {
        font-size: 0.95rem;
    }

    .srv-article img {
        max-width: 100%;
        height: auto;
        border-radius: 12px;
    }

    .srv-sidebar {
        grid-template-columns: 1fr;
    }

    .page-body {
        padding: 30px 0 60px;
    }

    .widget {
        padding: 20px;
    }

    .inline-cta {
        flex-direction: column;
        align-items: flex-start;
        padding: 24px 20px;
    }

    .inline-cta-btns {
        width: 100%;
        flex-direction: column;
    }

    .icta-btn-main, .icta-btn-wa {
        flex: 1;
        justify-content: center;
    }
}