.about-text-content {
    padding: 20px;
}

.about-text-paragraph {
    color: var(--home-text-secondary);
    line-height: 1.8;
    font-size: 1.0625rem;
    margin-bottom: 20px;
}

.about-text-paragraph:last-child {
    margin-bottom: 0;
}

.about-images-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(280px, 1fr));
    gap: 24px;
    margin-top: 32px;
}

.about-image-item {
    border-radius: 12px;
    overflow: hidden;
    box-shadow: 0 4px 15px rgba(0, 0, 0, 0.08);
    transition: all 0.3s ease;
    position: relative;
}

.about-image-item:hover {
    transform: translateY(-4px);
    box-shadow: 0 8px 25px rgba(0, 0, 0, 0.12);
}

.about-image-item img {
    width: 100%;
    height: auto;
    display: block;
}

.about-image-label {
    position: absolute;
    bottom: 0;
    left: 0;
    right: 0;
    background: linear-gradient(to top, rgba(0, 0, 0, 0.7), transparent);
    color: white;
    padding: 40px 16px 16px;
    font-weight: 600;
}

.contact-info-item {
    display: flex;
    align-items: flex-start;
    gap: 16px;
    padding: 20px;
    border-radius: 12px;
    background: rgba(79, 110, 247, 0.02);
    margin-bottom: 16px;
    transition: all 0.3s ease;
}

.contact-info-item:hover {
    background: rgba(79, 110, 247, 0.05);
    transform: translateX(4px);
}

.contact-icon {
    width: 48px;
    height: 48px;
    border-radius: 12px;
    background: linear-gradient(135deg, var(--home-primary), var(--home-primary-light));
    display: flex;
    align-items: center;
    justify-content: center;
    color: white;
    font-size: 1.25rem;
    flex-shrink: 0;
}

.contact-info-item h4 {
    font-size: 1rem;
    font-weight: 700;
    color: var(--home-text-primary);
    margin-bottom: 4px;
}

.contact-info-item p {
    color: var(--home-text-secondary);
    font-size: 0.9375rem;
    margin: 0;
}

.help-search-wrapper {
    max-width: 600px;
    margin: 32px auto 0;
}

.help-search-form {
    width: 100%;
}

.help-search-box {
    position: relative;
    background: white;
    border-radius: 50px;
    box-shadow: 0 4px 20px rgba(0, 0, 0, 0.08), 0 0 0 1px rgba(0, 0, 0, 0.04);
    overflow: hidden;
    transition: all 0.3s ease;
    display: flex;
    align-items: center;
}

.help-search-box:focus-within {
    box-shadow: 0 8px 30px rgba(79, 110, 247, 0.15), 0 0 0 2px var(--home-primary);
    transform: translateY(-2px);
}

.help-search-icon {
    position: absolute;
    left: 24px;
    color: #94a3b8;
    font-size: 1.125rem;
}

.help-search-input {
    width: 100%;
    padding: 18px 120px 18px 56px;
    border: none;
    outline: none;
    font-size: 1rem;
    background: transparent;
    color: var(--home-text-primary);
}

.help-search-input::placeholder {
    color: #94a3b8;
}

.help-search-btn {
    position: absolute;
    right: 8px;
    width: 44px;
    height: 44px;
    border-radius: 50%;
    background: linear-gradient(135deg, var(--home-primary), var(--home-primary-light));
    border: none;
    color: white;
    cursor: pointer;
    display: flex;
    align-items: center;
    justify-content: center;
    transition: all 0.3s ease;
}

.help-search-btn:hover {
    transform: scale(1.05);
    box-shadow: 0 4px 15px rgba(79, 110, 247, 0.3);
}

.help-sidebar-card {
    background: white;
    border-radius: 16px;
    box-shadow: 0 4px 20px rgba(0, 0, 0, 0.08);
    overflow: hidden;
    position: sticky;
    top: 100px;
}

.help-sidebar-header {
    padding: 20px 24px;
    background: linear-gradient(135deg, rgba(79, 110, 247, 0.05), rgba(79, 110, 247, 0.02));
    border-bottom: 1px solid rgba(0, 0, 0, 0.06);
    font-weight: 700;
    color: var(--home-text-primary);
    display: flex;
    align-items: center;
    gap: 10px;
}

.help-sidebar-header i {
    color: var(--home-primary);
    font-size: 1.25rem;
}

.help-category-list {
    padding: 12px 0;
}

.help-category-item {
    display: flex;
    align-items: center;
    gap: 12px;
    padding: 14px 24px;
    color: var(--home-text-secondary);
    text-decoration: none;
    transition: all 0.3s ease;
    position: relative;
    font-weight: 500;
}

.help-category-item::before {
    content: '';
    position: absolute;
    left: 0;
    top: 0;
    bottom: 0;
    width: 3px;
    background: var(--home-primary);
    transform: scaleY(0);
    transition: all 0.3s ease;
}

.help-category-item:hover {
    color: var(--home-primary);
    background: rgba(79, 110, 247, 0.04);
    padding-left: 28px;
}

.help-category-item:hover::before {
    transform: scaleY(1);
}

.help-category-item.active {
    color: var(--home-primary);
    background: rgba(79, 110, 247, 0.08);
    font-weight: 600;
}

.help-category-item.active::before {
    transform: scaleY(1);
}

.help-category-item i.bi-folder {
    font-size: 1rem;
}

.help-category-item i.bi-chevron-right {
    margin-left: auto;
    font-size: 0.875rem;
    opacity: 0;
    transition: all 0.3s ease;
}

.help-category-item:hover i.bi-chevron-right,
.help-category-item.active i.bi-chevron-right {
    opacity: 1;
}

.help-article-grid {
    display: flex;
    flex-direction: column;
    gap: 20px;
}

.help-article-card {
    background: white;
    border-radius: 16px;
    padding: 28px;
    box-shadow: 0 4px 20px rgba(0, 0, 0, 0.08);
    border: 1px solid rgba(0, 0, 0, 0.06);
    transition: all 0.3s ease;
    cursor: pointer;
    text-decoration: none;
    display: block;
}

.help-article-card:hover {
    transform: translateY(-4px);
    box-shadow: 0 8px 30px rgba(0, 0, 0, 0.12);
    border-color: var(--home-primary);
}

.help-article-header {
    display: flex;
    align-items: center;
    gap: 16px;
    margin-bottom: 16px;
}

.help-article-icon {
    width: 48px;
    height: 48px;
    border-radius: 12px;
    background: linear-gradient(135deg, rgba(79, 110, 247, 0.1), rgba(79, 110, 247, 0.05));
    display: flex;
    align-items: center;
    justify-content: center;
    color: var(--home-primary);
    font-size: 1.25rem;
    flex-shrink: 0;
}

.help-article-title {
    font-size: 1.25rem;
    font-weight: 700;
    color: var(--home-text-primary);
    flex: 1;
}

.help-article-excerpt {
    color: var(--home-text-secondary);
    line-height: 1.7;
    font-size: 0.9375rem;
    margin-bottom: 16px;
}

.help-article-meta {
    display: flex;
    align-items: center;
    gap: 20px;
    padding-top: 16px;
    border-top: 1px solid rgba(0, 0, 0, 0.06);
}

.help-meta-item {
    display: flex;
    align-items: center;
    gap: 6px;
    font-size: 0.875rem;
    color: #94a3b8;
}

.help-empty-state {
    text-align: center;
    padding: 80px 20px;
    background: white;
    border-radius: 16px;
    box-shadow: 0 4px 20px rgba(0, 0, 0, 0.08);
}

.help-empty-icon {
    font-size: 4rem;
    color: #cbd5e1;
    margin-bottom: 20px;
}

.help-empty-text {
    font-size: 1.25rem;
    font-weight: 600;
    color: var(--home-text-primary);
    margin-bottom: 8px;
}

.help-empty-desc {
    font-size: 0.9375rem;
    color: var(--home-text-secondary);
}

.user-info-card {
    background: white;
    border-radius: 16px;
    box-shadow: 0 4px 20px rgba(0, 0, 0, 0.08);
    overflow: hidden;
}

.user-avatar-section {
    padding: 32px 24px;
    text-align: center;
    background: linear-gradient(135deg, rgba(79, 110, 247, 0.05), rgba(79, 110, 247, 0.02));
    border-bottom: 1px solid rgba(0, 0, 0, 0.06);
}

.user-avatar {
    width: 80px;
    height: 80px;
    border-radius: 50%;
    object-fit: cover;
    border: 3px solid white;
    box-shadow: 0 4px 12px rgba(0, 0, 0, 0.1);
    margin-bottom: 16px;
}

.user-name {
    font-size: 1.125rem;
    font-weight: 700;
    color: var(--home-text-primary);
    margin-bottom: 12px;
}

.vip-status-badge {
    display: inline-flex;
    align-items: center;
    gap: 8px;
    padding: 8px 16px;
    border-radius: 50px;
    font-size: 0.875rem;
    font-weight: 600;
}

.vip-status-badge.vip-permanent {
    background: linear-gradient(135deg, #fbbf24, #f59e0b);
    color: white;
}

.vip-status-badge.vip-active {
    background: linear-gradient(135deg, var(--home-primary), var(--home-primary-light));
    color: white;
}

.vip-status-badge.vip-inactive {
    background: linear-gradient(135deg, #6b7280, #4b5563);
    color: white;
}

.vip-expire-time {
    margin-top: 8px;
    font-size: 0.875rem;
    color: var(--home-text-secondary);
}

.vip-privileges {
    padding: 24px;
}

.privileges-title {
    display: flex;
    align-items: center;
    gap: 8px;
    font-size: 1rem;
    font-weight: 700;
    color: var(--home-text-primary);
    margin-bottom: 20px;
}

.privileges-title i {
    color: #fbbf24;
}

.privilege-item {
    display: flex;
    align-items: center;
    gap: 12px;
    padding: 12px 0;
    color: var(--home-text-secondary);
    font-size: 0.9375rem;
}

.privilege-item i {
    color: var(--home-primary);
    font-size: 1.125rem;
    width: 24px;
}

.payment-section {
    background: white;
    border-radius: 16px;
    box-shadow: 0 4px 20px rgba(0, 0, 0, 0.08);
    padding: 32px;
}

.payment-banner {
    margin-bottom: 24px;
    border-radius: 12px;
    overflow: hidden;
}

.payment-banner img {
    width: 100%;
    height: auto;
    display: block;
}

.vip-packages-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(200px, 1fr));
    gap: 16px;
    margin-bottom: 24px;
}

.vip-package-card {
    background: white;
    border: 2px solid rgba(0, 0, 0, 0.06);
    border-radius: 16px;
    padding: 24px;
    text-align: center;
    cursor: pointer;
    transition: all 0.3s ease;
    position: relative;
    overflow: hidden;
}

.vip-package-card:hover {
    border-color: var(--home-primary);
    transform: translateY(-4px);
    box-shadow: 0 8px 24px rgba(79, 110, 247, 0.15);
}

.vip-package-card.active {
    border-color: var(--home-primary);
    background: linear-gradient(135deg, rgba(79, 110, 247, 0.05), rgba(79, 110, 247, 0.02));
    box-shadow: 0 8px 24px rgba(79, 110, 247, 0.2);
}

.package-badge {
    position: absolute;
    top: 12px;
    right: 12px;
    background: linear-gradient(135deg, #fbbf24, #f59e0b);
    color: white;
    padding: 4px 12px;
    border-radius: 50px;
    font-size: 0.75rem;
    font-weight: 600;
}

.package-name {
    font-size: 1.125rem;
    font-weight: 700;
    color: var(--home-text-primary);
    margin-bottom: 16px;
}

.package-price {
    margin-bottom: 12px;
}

.price-symbol {
    font-size: 1rem;
    color: var(--home-primary);
    font-weight: 600;
}

.price-value {
    font-size: 2rem;
    font-weight: 800;
    color: var(--home-primary);
}

.package-desc {
    font-size: 0.875rem;
    color: var(--home-text-secondary);
    margin-bottom: 12px;
}

.package-tip {
    font-size: 0.8125rem;
    color: var(--home-text-light);
    font-style: italic;
}

.payment-tips {
    display: flex;
    align-items: center;
    gap: 12px;
    padding: 16px;
    background: rgba(245, 158, 11, 0.08);
    border-radius: 12px;
    margin-bottom: 24px;
    font-size: 0.9375rem;
    color: var(--home-text-secondary);
}

.payment-tips i {
    color: #f59e0b;
    font-size: 1.25rem;
}

.payment-qr-section {
    padding: 24px;
    background: linear-gradient(135deg, rgba(79, 110, 247, 0.02), rgba(79, 110, 247, 0.01));
    border-radius: 16px;
}

.payment-amount {
    text-align: center;
    margin-bottom: 24px;
    padding-bottom: 24px;
    border-bottom: 1px solid rgba(0, 0, 0, 0.06);
}

.amount-label {
    font-size: 1rem;
    color: var(--home-text-secondary);
}

.amount-value {
    font-size: 2rem;
    font-weight: 800;
    color: var(--home-primary);
    margin-left: 8px;
}

.payment-qr-container {
    display: flex;
    align-items: center;
    gap: 32px;
    margin-bottom: 24px;
}

.qr-code-wrapper {
    width: 200px;
    height: 200px;
    background: white;
    border-radius: 12px;
    display: flex;
    align-items: center;
    justify-content: center;
    box-shadow: 0 4px 12px rgba(0, 0, 0, 0.08);
    flex-shrink: 0;
}

.payment-instructions {
    flex: 1;
}

.instruction-item {
    display: flex;
    align-items: center;
    gap: 12px;
    padding: 12px 0;
    font-size: 0.9375rem;
    color: var(--home-text-secondary);
}

.instruction-number {
    width: 28px;
    height: 28px;
    border-radius: 50%;
    background: linear-gradient(135deg, var(--home-primary), var(--home-primary-light));
    color: white;
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 0.875rem;
    font-weight: 600;
    flex-shrink: 0;
}

.payment-agreement {
    display: flex;
    align-items: center;
    justify-content: center;
    gap: 8px;
    font-size: 0.875rem;
    color: var(--home-text-secondary);
}

.payment-agreement a {
    color: var(--home-primary);
    cursor: pointer;
    text-decoration: none;
}

.payment-agreement a:hover {
    text-decoration: underline;
}

.payment-success-overlay {
    position: fixed;
    inset: 0;
    background: rgba(0, 0, 0, 0.5);
    display: none;
    align-items: center;
    justify-content: center;
    z-index: 9999;
}

.payment-success-card {
    background: white;
    border-radius: 24px;
    padding: 48px;
    text-align: center;
    max-width: 400px;
    animation: successPop 0.3s ease;
}

@keyframes successPop {
    from {
        opacity: 0;
        transform: scale(0.9);
    }
    to {
        opacity: 1;
        transform: scale(1);
    }
}

.success-icon {
    width: 80px;
    height: 80px;
    border-radius: 50%;
    background: linear-gradient(135deg, #10b981, #059669);
    color: white;
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 2.5rem;
    margin: 0 auto 24px;
}

.payment-success-card h3 {
    font-size: 1.5rem;
    font-weight: 700;
    color: var(--home-text-primary);
    margin-bottom: 12px;
}

.payment-success-card p {
    color: var(--home-text-secondary);
    margin-bottom: 24px;
}

.success-btn {
    display: inline-flex;
    align-items: center;
    gap: 8px;
    padding: 12px 32px;
    background: linear-gradient(135deg, var(--home-primary), var(--home-primary-light));
    color: white;
    border-radius: 50px;
    text-decoration: none;
    font-weight: 600;
    transition: all 0.3s ease;
}

.success-btn:hover {
    transform: translateY(-2px);
    box-shadow: 0 8px 24px rgba(79, 110, 247, 0.3);
    color: white;
}

@media (max-width: 991.98px) {
    .help-search-wrapper {
        max-width: 100%;
        padding: 0 16px;
    }

    .payment-qr-container {
        flex-direction: column;
        text-align: center;
    }

    .qr-code-wrapper {
        margin: 0 auto;
    }

    .vip-packages-grid {
        grid-template-columns: repeat(2, 1fr);
    }
}

@media (max-width: 768px) {
    .vip-packages-grid {
        grid-template-columns: 1fr;
    }

    .payment-section {
        padding: 24px 16px;
    }

    .user-info-card {
        margin-bottom: 24px;
    }
}

.product-intro-card {
    background: white;
    border-radius: 16px;
    padding: 32px;
    box-shadow: 0 4px 20px rgba(0, 0, 0, 0.08);
    border: 1px solid rgba(0, 0, 0, 0.06);
    height: 100%;
}

.product-intro-icon {
    width: 64px;
    height: 64px;
    border-radius: 16px;
    background: linear-gradient(135deg, var(--home-primary), var(--home-primary-light));
    display: flex;
    align-items: center;
    justify-content: center;
    color: white;
    font-size: 2rem;
    margin-bottom: 24px;
}

.product-intro-card h3 {
    font-size: 1.5rem;
    font-weight: 700;
    color: var(--home-text-primary);
    margin-bottom: 16px;
}

.product-intro-text {
    color: var(--home-text-secondary);
    line-height: 1.8;
    font-size: 1rem;
    margin-bottom: 24px;
}

.product-highlights {
    display: flex;
    flex-direction: column;
    gap: 12px;
}

.highlight-item {
    display: flex;
    align-items: center;
    gap: 12px;
    padding: 12px 16px;
    background: rgba(79, 110, 247, 0.04);
    border-radius: 12px;
    color: var(--home-text-primary);
    font-size: 0.9375rem;
    font-weight: 500;
    transition: all 0.3s ease;
}

.highlight-item:hover {
    background: rgba(79, 110, 247, 0.08);
    transform: translateX(4px);
}

.highlight-item i {
    color: var(--home-primary);
    font-size: 1.125rem;
}

.product-showcase-image {
    display: flex;
    align-items: center;
    justify-content: center;
    height: 100%;
}

.product-showcase-image img {
    max-width: 100%;
    height: auto;
    transition: transform 0.3s ease;
}

.product-showcase-image img:hover {
    transform: scale(1.02);
}

.use-case-card {
    background: white;
    border-radius: 16px;
    padding: 32px;
    box-shadow: 0 4px 20px rgba(0, 0, 0, 0.08);
    border: 1px solid rgba(0, 0, 0, 0.06);
    text-align: center;
    transition: all 0.3s ease;
    height: 100%;
}

.use-case-card:hover {
    transform: translateY(-8px);
    box-shadow: 0 12px 35px rgba(0, 0, 0, 0.12);
    border-color: var(--home-primary);
}

.use-case-icon {
    width: 72px;
    height: 72px;
    border-radius: 50%;
    background: linear-gradient(135deg, rgba(79, 110, 247, 0.1), rgba(79, 110, 247, 0.05));
    display: flex;
    align-items: center;
    justify-content: center;
    margin: 0 auto 20px;
    font-size: 2rem;
    color: var(--home-primary);
    transition: all 0.3s ease;
}

.use-case-card:hover .use-case-icon {
    background: linear-gradient(135deg, var(--home-primary), var(--home-primary-light));
    color: white;
    transform: scale(1.1);
}

.use-case-card h3 {
    font-size: 1.25rem;
    font-weight: 700;
    color: var(--home-text-primary);
    margin-bottom: 12px;
}

.use-case-card p {
    color: var(--home-text-secondary);
    line-height: 1.6;
    font-size: 0.9375rem;
    margin: 0;
}

@media (max-width: 991.98px) {
    .product-intro-card {
        padding: 24px;
    }

    .use-case-card {
        padding: 24px;
    }
}

@media (max-width: 768px) {
    .product-intro-icon {
        width: 56px;
        height: 56px;
        font-size: 1.75rem;
    }

    .product-intro-card h3 {
        font-size: 1.25rem;
    }

    .use-case-icon {
        width: 64px;
        height: 64px;
        font-size: 1.75rem;
    }
}