.lp-manual {
    padding: 80px 0 80px;
    background: var(--lp-bg);
    min-height: 100vh;
}

.lp-manual-container {
    max-width: 1400px;
    margin: 0 auto;
    padding: 0 24px;
}

.lp-manual-page-title {
    font-size: 22px;
    font-weight: 700;
    color: var(--lp-text);
    margin-bottom: 24px;
}

.lp-manual-tabs {
    display: flex;
    gap: 8px;
    margin-bottom: 32px;
    border-bottom: 2px solid var(--lp-border);
    padding-bottom: 0;
}

.lp-manual-tab {
    padding: 12px 32px;
    font-size: 15px;
    font-weight: 600;
    color: var(--lp-text-sub);
    background: transparent;
    border: none;
    cursor: pointer;
    position: relative;
    transition: all 0.25s;
    text-decoration: none;
    display: inline-block;
}

.lp-manual-tab::after {
    content: '';
    position: absolute;
    bottom: -2px;
    left: 0;
    right: 0;
    height: 3px;
    background: transparent;
    transition: background 0.25s;
}

.lp-manual-tab:hover {
    color: var(--lp-primary);
}

.lp-manual-tab.active {
    color: var(--lp-primary);
}

.lp-manual-tab.active::after {
    background: var(--lp-primary);
}

.lp-manual-content {
    display: flex;
    gap: 40px;
    align-items: flex-start;
}

.lp-manual-sidebar {
    width: 280px;
    flex-shrink: 0;
    position: sticky;
    top: 100px;
    max-height: calc(100vh - 140px);
    overflow-y: auto;
    padding-right: 16px;
}

.lp-manual-sidebar::-webkit-scrollbar {
    width: 4px;
}

.lp-manual-sidebar::-webkit-scrollbar-track {
    background: #f0f0f5;
    border-radius: 2px;
}

.lp-manual-sidebar::-webkit-scrollbar-thumb {
    background: var(--lp-border);
    border-radius: 2px;
}

.lp-manual-nav {
    display: flex;
    flex-direction: column;
    gap: 0;
}

.lp-manual-nav-group {
    margin-bottom: 16px;
}

.lp-manual-nav-title {
    font-size: 14px;
    font-weight: 700;
    color: var(--lp-text);
    padding: 10px 12px;
    border-radius: 6px;
    background: var(--lp-bg-alt);
    margin-bottom: 4px;
}

.lp-manual-nav-items {
    display: flex;
    flex-direction: column;
    gap: 2px;
    padding-left: 12px;
}

.lp-manual-nav-link {
    font-size: 13px;
    color: var(--lp-text-sub);
    padding: 8px 12px;
    cursor: pointer;
    border-radius: 4px;
    transition: all 0.2s;
    text-decoration: none;
    display: block;
    border-left: 2px solid transparent;
}

.lp-manual-nav-link:hover {
    background: var(--lp-primary-bg);
    color: var(--lp-primary);
    border-left-color: var(--lp-primary-light);
}

.lp-manual-nav-link.active {
    background: var(--lp-primary-bg);
    color: var(--lp-primary);
    font-weight: 600;
    border-left-color: var(--lp-primary);
}

.lp-manual-sidebar-cta {
    margin-top: 24px;
    padding-top: 24px;
    border-top: 1px solid var(--lp-border);
}

.lp-manual-main {
    flex: 1;
    min-width: 0;
    background: #fff;
    border-radius: var(--lp-radius-lg);
    border: 1px solid var(--lp-border);
    padding: 48px;
}

.lp-manual-page-intro {
    font-size: 15px;
    color: var(--lp-text-sub);
    line-height: 1.8;
    margin-bottom: 40px;
    padding-bottom: 40px;
    border-bottom: 1px solid var(--lp-border);
}

.lp-manual-section {
    display: none;
}

.lp-manual-section.active {
    display: block;
}

.lp-manual-section-title {
    font-size: 20px;
    font-weight: 700;
    color: var(--lp-text);
    margin-bottom: 20px;
    padding-bottom: 12px;
    border-bottom: 3px solid var(--lp-primary);
}

.lp-manual-section-desc {
    font-size: 18px;
    color: var(--lp-text);
    line-height: 1.9;
    margin-bottom: 24px;
    padding: 22px 26px;
    background: linear-gradient(135deg, #f8f6ff 0%, #fff 100%);
    border-left: 4px solid var(--lp-primary);
    border-radius: 0 var(--lp-radius) var(--lp-radius) 0;
}

.lp-manual-section-detail {
    margin-bottom: 32px;
    padding-left: 28px;
}

.lp-manual-section-detail ul {
    margin: 0;
    padding: 0;
    list-style: none;
}

.lp-manual-section-detail li {
    position: relative;
    padding-left: 20px;
    font-size: 15px;
    color: var(--lp-text);
    line-height: 1.8;
    margin-bottom: 8px;
}

.lp-manual-section-detail li:last-child {
    margin-bottom: 0;
}

.lp-manual-section-detail li::before {
    content: '';
    position: absolute;
    left: 0;
    top: 10px;
    width: 6px;
    height: 6px;
    background: var(--lp-primary);
    border-radius: 50%;
}

.lp-manual-section-how {
    background: var(--lp-bg-alt);
    border-radius: var(--lp-radius);
    padding: 24px 28px;
    margin-bottom: 24px;
}

.lp-manual-section-how h4 {
    font-size: 15px;
    font-weight: 700;
    color: var(--lp-primary);
    margin-bottom: 12px;
}

.lp-manual-section-how p {
    font-size: 15px;
    color: var(--lp-text);
    line-height: 1.8;
}

.lp-manual-page-cta {
    margin-top: 48px;
    padding: 36px;
    background: var(--lp-primary-bg);
    border: 1px solid var(--lp-primary-border);
    border-radius: var(--lp-radius);
    text-align: center;
}

.lp-manual-page-cta p {
    font-size: 16px;
    font-weight: 600;
    color: var(--lp-text);
    margin-bottom: 16px;
}

.lp-manual-page-cta-pro {
    margin-top: 48px;
    padding: 20px 28px;
    background: var(--lp-primary-bg);
    border: 1px solid var(--lp-primary-border);
    border-radius: var(--lp-radius);
    display: flex;
    align-items: center;
    justify-content: center;
    gap: 24px;
}

.lp-manual-page-cta-pro p {
    font-size: 14px;
    font-weight: 600;
    color: var(--lp-text);
    margin: 0;
}

.lp-manual-page-cta-pro .lp-btn {
    font-size: 13px;
    padding: 10px 20px;
}

@media (max-width: 960px) {
    .lp-manual-content {
        flex-direction: column;
    }

    .lp-manual-sidebar {
        width: 100%;
        position: static;
        max-height: none;
        padding-right: 0;
        margin-bottom: 24px;
    }

    .lp-manual-main {
        padding: 32px;
    }

    .lp-manual-section-title {
        font-size: 18px;
    }

    .lp-manual-section-desc {
        font-size: 17px;
        padding: 20px 24px;
    }

    .lp-manual-section-detail {
        padding-left: 24px;
    }

    .lp-manual-page-title {
        font-size: 20px;
    }

    .lp-manual-page-cta-pro {
        flex-direction: column;
        gap: 16px;
        text-align: center;
    }
}

@media (max-width: 768px) {
    .lp-manual {
        padding: 70px 0 60px;
    }

    .lp-manual-container {
        padding: 0 16px;
    }

    .lp-manual-tabs {
        flex-direction: column;
        gap: 0;
    }

    .lp-manual-tab {
        padding: 12px 16px;
        text-align: left;
    }

    .lp-manual-main {
        padding: 24px;
    }

    .lp-manual-page-title {
        font-size: 18px;
        margin-bottom: 20px;
    }

    .lp-manual-section-title {
        font-size: 16px;
    }

    .lp-manual-section-desc {
        font-size: 16px;
        padding: 18px 20px;
    }

    .lp-manual-section-detail {
        padding-left: 20px;
    }

    .lp-manual-section-detail li {
        font-size: 14px;
    }
}