/* Reset and Base Styles */
* {
    margin: 0;
    padding: 0;
    box-sizing: border-box;
}

:root {
    --primary-color: #0052CC;
    --primary-dark: #0747A6;
    --primary-light: #0065FF;
    --secondary-color: #172B4D;
    --text-color: #172B4D;
    --text-light: #6B778C;
    --bg-light: #F4F5F7;
    --bg-white: #FFFFFF;
    --border-color: #DFE1E6;
    --success-color: #36B37E;
    --warning-color: #FFAB00;
    --error-color: #FF5630;
    --shadow: 0 2px 8px rgba(0, 0, 0, 0.1);
    --shadow-lg: 0 4px 16px rgba(0, 0, 0, 0.15);
}

body {
    font-family: -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, 'Helvetica Neue', Arial, sans-serif;
    color: var(--text-color);
    line-height: 1.6;
    background-color: var(--bg-white);
}

.container {
    max-width: 1280px;
    margin: 0 auto;
    padding: 0 24px;
}

/* Header */
.header {
    background-color: var(--bg-white);
    border-bottom: 1px solid var(--border-color);
    position: sticky;
    top: 0;
    z-index: 1000;
    box-shadow: var(--shadow);
}

.nav {
    display: flex;
    justify-content: space-between;
    align-items: center;
    padding: 16px 24px;
}

.logo {
    display: flex;
    align-items: center;
    gap: 8px;
    font-size: 20px;
    font-weight: bold;
    color: var(--primary-color);
    text-decoration: none;
}

.logo-icon {
    background: var(--primary-color);
    color: white;
    width: 32px;
    height: 32px;
    display: flex;
    align-items: center;
    justify-content: center;
    border-radius: 6px;
    font-weight: bold;
}

.nav-menu {
    display: flex;
    list-style: none;
    gap: 32px;
}

.nav-menu a {
    color: var(--text-color);
    text-decoration: none;
    font-weight: 500;
    transition: color 0.2s;
}

.nav-menu a:hover {
    color: var(--primary-color);
}

/* Hero Section */
.hero {
    background: linear-gradient(135deg, #0052CC 0%, #0747A6 100%);
    color: white;
    padding: 80px 0;
    text-align: center;
}

.hero-badge {
    display: inline-block;
    background: rgba(255, 255, 255, 0.2);
    padding: 8px 16px;
    border-radius: 20px;
    font-size: 14px;
    margin-bottom: 24px;
    font-weight: 500;
}

.hero-title {
    font-size: 48px;
    font-weight: 700;
    margin-bottom: 16px;
    line-height: 1.2;
}

.hero-subtitle {
    font-size: 24px;
    margin-bottom: 16px;
    opacity: 0.95;
    font-weight: 400;
}

.hero-description {
    font-size: 18px;
    max-width: 800px;
    margin: 0 auto 32px;
    opacity: 0.9;
    line-height: 1.7;
}

.hero-buttons {
    display: flex;
    gap: 16px;
    justify-content: center;
    flex-wrap: wrap;
}

/* Buttons */
.btn {
    display: inline-block;
    padding: 12px 24px;
    border-radius: 6px;
    text-decoration: none;
    font-weight: 600;
    font-size: 16px;
    transition: all 0.2s;
    cursor: pointer;
    border: none;
}

.btn-primary {
    background-color: white;
    color: var(--primary-color);
}

.btn-primary:hover {
    background-color: var(--bg-light);
    transform: translateY(-2px);
    box-shadow: var(--shadow-lg);
}

.btn-secondary {
    background-color: transparent;
    color: white;
    border: 2px solid white;
}

.btn-secondary:hover {
    background-color: rgba(255, 255, 255, 0.1);
}

.btn-outline {
    background-color: transparent;
    color: var(--primary-color);
    border: 2px solid var(--primary-color);
}

.btn-outline:hover {
    background-color: var(--primary-color);
    color: white;
}

/* Products Section */
.products {
    padding: 80px 0;
    background-color: var(--bg-light);
}

.section-title {
    font-size: 36px;
    font-weight: 700;
    text-align: center;
    margin-bottom: 48px;
    color: var(--text-color);
}

.products-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(350px, 1fr));
    gap: 32px;
}

.product-card {
    background: var(--bg-white);
    border-radius: 12px;
    padding: 32px;
    box-shadow: var(--shadow);
    transition: transform 0.2s, box-shadow 0.2s;
}

.product-card:hover {
    transform: translateY(-4px);
    box-shadow: var(--shadow-lg);
}

.product-header {
    display: flex;
    align-items: center;
    gap: 16px;
    margin-bottom: 20px;
}

.product-icon {
    font-size: 40px;
}

.product-name {
    font-size: 24px;
    font-weight: 600;
    margin-bottom: 4px;
    color: var(--text-color);
}

.product-version {
    font-size: 14px;
    color: var(--text-light);
    font-weight: 500;
}

.product-description {
    margin-bottom: 20px;
    color: var(--text-light);
    line-height: 1.7;
}

.product-features {
    list-style: none;
    margin-bottom: 24px;
}

.product-features li {
    padding: 8px 0;
    color: var(--text-color);
}

.product-footer {
    display: flex;
    justify-content: space-between;
    align-items: center;
    padding-top: 24px;
    border-top: 1px solid var(--border-color);
    flex-wrap: wrap;
    gap: 16px;
}

.product-info {
    flex: 1;
    min-width: 200px;
}

.product-info p {
    margin: 4px 0;
    font-size: 14px;
    color: var(--text-color);
}

.product-info strong {
    color: var(--secondary-color);
}

/* Benefits Section */
.benefits {
    padding: 80px 0;
    background-color: var(--bg-white);
}

.benefits-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
    gap: 32px;
}

.benefit-card {
    text-align: center;
    padding: 32px;
    border-radius: 12px;
    background-color: var(--bg-light);
    transition: transform 0.2s, box-shadow 0.2s;
}

.benefit-card:hover {
    transform: translateY(-4px);
    box-shadow: var(--shadow);
    background-color: white;
}

.benefit-icon {
    font-size: 48px;
    display: block;
    margin-bottom: 16px;
}

.benefit-card h3 {
    font-size: 20px;
    font-weight: 600;
    margin-bottom: 12px;
    color: var(--text-color);
}

.benefit-card p {
    color: var(--text-light);
    line-height: 1.6;
}

/* Articles Page */
.articles-page {
    padding: 40px 0 80px;
    background-color: var(--bg-white);
}

.articles-page-header {
    margin-bottom: 64px;
    text-align: center;
}

.articles-page-header h1 {
    font-size: 48px;
    font-weight: 700;
    margin-bottom: 24px;
    color: var(--text-color);
}

.articles-page-intro {
    font-size: 20px;
    color: var(--text-light);
    max-width: 800px;
    margin: 0 auto;
    line-height: 1.8;
}

.articles-category {
    margin-bottom: 64px;
}

.articles-category h2 {
    font-size: 36px;
    font-weight: 700;
    margin-bottom: 32px;
    color: var(--text-color);
    padding-bottom: 16px;
    border-bottom: 3px solid var(--primary-color);
}

.articles-coming-soon {
    color: var(--text-light);
    font-size: 18px;
    font-style: italic;
    padding: 40px;
    text-align: center;
}

.articles-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(350px, 1fr));
    gap: 32px;
}

.article-preview {
    background: linear-gradient(135deg, #ffffff 0%, #f8f9fa 100%);
    border-radius: 12px;
    padding: 32px;
    box-shadow: 0 2px 8px rgba(0, 0, 0, 0.08);
    transition: transform 0.2s, box-shadow 0.2s;
    border-top: 4px solid var(--primary-color);
}

.article-preview:hover {
    transform: translateY(-4px);
    box-shadow: 0 6px 20px rgba(0, 82, 204, 0.15);
}

.article-preview-category {
    display: inline-block;
    font-size: 13px;
    font-weight: 600;
    color: var(--primary-color);
    background-color: rgba(0, 82, 204, 0.1);
    padding: 6px 12px;
    border-radius: 16px;
    margin-bottom: 16px;
    text-transform: uppercase;
    letter-spacing: 0.5px;
}

.article-preview h3 {
    font-size: 22px;
    font-weight: 600;
    margin-bottom: 16px;
    line-height: 1.4;
}

.article-preview h3 a {
    color: var(--text-color);
    text-decoration: none;
    transition: color 0.2s;
}

.article-preview h3 a:hover {
    color: var(--primary-color);
}

.article-preview p {
    color: var(--text-light);
    line-height: 1.7;
    margin-bottom: 20px;
    font-size: 15px;
}

.article-preview-meta {
    display: flex;
    align-items: center;
    gap: 16px;
    font-size: 14px;
    color: var(--text-light);
    padding-top: 16px;
    border-top: 1px solid var(--border-color);
}

/* Contact Section */
.contact {
    padding: 80px 0;
    background: linear-gradient(135deg, #0052CC 0%, #0747A6 100%);
    color: white;
    text-align: center;
}

.contact-description {
    font-size: 18px;
    margin-bottom: 32px;
    opacity: 0.95;
}

.contact-email {
    font-size: 20px;
    margin-bottom: 32px;
    font-weight: 500;
}

.contact-email a {
    color: white;
    text-decoration: underline;
    transition: opacity 0.2s;
}

.contact-email a:hover {
    opacity: 0.8;
}

.contact-buttons {
    display: flex;
    gap: 16px;
    justify-content: center;
    flex-wrap: wrap;
}

/* Footer */
.footer {
    background-color: var(--secondary-color);
    color: white;
    padding: 40px 0;
}

.footer-content {
    display: flex;
    justify-content: space-between;
    align-items: center;
    flex-wrap: wrap;
    gap: 24px;
}

.footer-info p {
    margin: 8px 0;
    opacity: 0.9;
    font-size: 14px;
}

.footer-info a {
    color: white;
    text-decoration: underline;
    transition: opacity 0.2s;
}

.footer-info a:hover {
    opacity: 1;
}

.footer-links {
    display: flex;
    gap: 24px;
    flex-wrap: wrap;
}

.footer-links a {
    color: white;
    text-decoration: none;
    font-size: 14px;
    opacity: 0.9;
    transition: opacity 0.2s;
}

.footer-links a:hover {
    opacity: 1;
}

/* Responsive Design */
@media (max-width: 768px) {
    .hero-title {
        font-size: 32px;
    }

    .hero-subtitle {
        font-size: 20px;
    }

    .hero-description {
        font-size: 16px;
    }

    .nav-menu {
        gap: 16px;
        font-size: 14px;
    }

    .products-grid {
        grid-template-columns: 1fr;
    }

    .benefits-grid {
        grid-template-columns: 1fr;
    }

    .section-title {
        font-size: 28px;
    }

    .footer-content {
        flex-direction: column;
        text-align: center;
    }

    .footer-links {
        justify-content: center;
    }
}

@media (max-width: 480px) {
    .hero {
        padding: 60px 0;
    }

    .hero-title {
        font-size: 28px;
    }

    .hero-buttons {
        flex-direction: column;
        align-items: stretch;
    }

    .btn {
        width: 100%;
        text-align: center;
    }

    .products,
    .benefits,
    .services,
    .articles,
    .contact {
        padding: 60px 0;
    }

    .articles-grid {
        grid-template-columns: 1fr;
    }


    .product-card {
        padding: 24px;
    }

    .product-footer {
        flex-direction: column;
        align-items: stretch;
    }
}

/* Smooth Scrolling */
html {
    scroll-behavior: smooth;
}

/* Product Detail Page */
.product-detail {
    padding: 40px 0 80px;
    background-color: var(--bg-white);
}

.back-link {
    display: inline-block;
    margin-bottom: 32px;
    color: var(--primary-color);
    text-decoration: none;
    font-weight: 500;
    transition: opacity 0.2s;
}

.back-link:hover {
    opacity: 0.8;
}

.product-detail-header {
    display: flex;
    align-items: center;
    gap: 32px;
    margin-bottom: 48px;
    padding: 32px;
    background: linear-gradient(135deg, #f0f4ff 0%, #e8f0fe 100%);
    border-radius: 16px;
    border-left: 8px solid var(--primary-color);
    box-shadow: 0 4px 16px rgba(0, 82, 204, 0.1);
}

.product-detail-icon {
    font-size: 80px;
    filter: drop-shadow(0 4px 8px rgba(0, 0, 0, 0.1));
    animation: float 3s ease-in-out infinite;
}

@keyframes float {
    0%, 100% {
        transform: translateY(0px);
    }
    50% {
        transform: translateY(-10px);
    }
}

.product-detail-header h1 {
    font-size: 42px;
    font-weight: 700;
    margin-bottom: 12px;
    color: var(--text-color);
    background: linear-gradient(135deg, var(--primary-color) 0%, var(--primary-dark) 100%);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
}

.product-detail-version {
    font-size: 18px;
    color: var(--text-light);
    font-weight: 600;
    padding: 6px 16px;
    background-color: white;
    border-radius: 20px;
    display: inline-block;
    box-shadow: 0 2px 6px rgba(0, 0, 0, 0.1);
}

.product-detail-content {
    display: grid;
    grid-template-columns: 1fr 350px;
    gap: 48px;
}

.product-detail-main h2 {
    font-size: 32px;
    font-weight: 700;
    margin-top: 48px;
    margin-bottom: 32px;
    color: var(--text-color);
    position: relative;
    padding-bottom: 16px;
    border-bottom: 3px solid var(--primary-color);
    display: flex;
    align-items: center;
    gap: 16px;
}

.product-detail-main h2::before {
    content: "";
    width: 8px;
    height: 40px;
    background: linear-gradient(180deg, var(--primary-color) 0%, var(--primary-dark) 100%);
    border-radius: 4px;
    flex-shrink: 0;
}

.product-detail-main h2:first-of-type {
    margin-top: 0;
}

.product-detail-main p:not(.product-intro) {
    font-size: 17px;
    line-height: 1.8;
    color: var(--text-color);
    margin-bottom: 24px;
}

.feature-list {
    display: flex;
    flex-direction: column;
    gap: 32px;
    margin: 32px 0;
}

.feature-item {
    padding: 28px;
    background: linear-gradient(135deg, #ffffff 0%, #f8f9fa 100%);
    border-radius: 12px;
    border-left: 5px solid var(--primary-color);
    box-shadow: 0 2px 8px rgba(0, 0, 0, 0.08);
    transition: all 0.3s ease;
    position: relative;
    overflow: hidden;
}

.feature-item::before {
    content: "";
    position: absolute;
    top: 0;
    left: 0;
    width: 5px;
    height: 100%;
    background: linear-gradient(180deg, var(--primary-color) 0%, var(--primary-dark) 100%);
    transition: width 0.3s ease;
}

.feature-item:hover {
    transform: translateX(8px) translateY(-4px);
    box-shadow: 0 6px 20px rgba(0, 82, 204, 0.15);
}

.feature-item:hover::before {
    width: 8px;
}

.feature-item h3 {
    font-size: 22px;
    font-weight: 600;
    margin-bottom: 14px;
    color: var(--text-color);
    position: relative;
    padding-left: 36px;
}

.feature-item h3::before {
    content: "→";
    position: absolute;
    left: 0;
    color: var(--primary-color);
    font-size: 24px;
    font-weight: bold;
}

.feature-item p {
    margin-bottom: 0;
    color: var(--text-light);
    line-height: 1.7;
    padding-left: 36px;
}

.product-detail-sidebar {
    display: flex;
    flex-direction: column;
    gap: 24px;
}

.info-card,
.contact-card {
    background: linear-gradient(135deg, #ffffff 0%, #f8f9fa 100%);
    padding: 32px;
    border-radius: 12px;
    box-shadow: 0 4px 12px rgba(0, 0, 0, 0.08);
    border-top: 4px solid var(--primary-color);
}

.info-card h3,
.contact-card h3 {
    font-size: 20px;
    font-weight: 600;
    margin-bottom: 20px;
    color: var(--text-color);
}

.info-card p,
.contact-card p {
    margin: 12px 0;
    font-size: 14px;
    color: var(--text-color);
}

.info-card strong,
.contact-card strong {
    color: var(--secondary-color);
}

.contact-card a {
    color: var(--primary-color);
    text-decoration: none;
}

/* Animations */
@keyframes fadeInUp {
    from {
        opacity: 0;
        transform: translateY(20px);
    }
    to {
        opacity: 1;
        transform: translateY(0);
    }
}

.product-card,
.benefit-card {
    animation: fadeInUp 0.6s ease-out;
}

/* About Page Styles */
.about-header {
    margin-bottom: 48px;
    padding-bottom: 24px;
    border-bottom: 2px solid var(--border-color);
}

.about-header h1 {
    font-size: 42px;
    font-weight: 700;
    margin-bottom: 16px;
    color: var(--text-color);
}

.about-subtitle {
    font-size: 18px;
    color: var(--text-light);
}

.services-list {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
    gap: 24px;
    margin: 32px 0;
}

.service-item {
    padding: 24px;
    background-color: var(--bg-light);
    border-radius: 8px;
    border-left: 4px solid var(--primary-color);
}

.service-item h3 {
    font-size: 20px;
    font-weight: 600;
    margin-bottom: 12px;
    color: var(--text-color);
}

.service-item p {
    margin: 0;
    color: var(--text-light);
    line-height: 1.6;
}

.trust-points {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(280px, 1fr));
    gap: 24px;
    margin: 32px 0;
}

.trust-point {
    padding: 32px;
    background: linear-gradient(135deg, #f8f9fa 0%, #e9ecef 100%);
    border-radius: 12px;
    border-top: 4px solid var(--primary-color);
}

.trust-point h3 {
    font-size: 20px;
    font-weight: 600;
    margin-bottom: 12px;
    color: var(--text-color);
}

.trust-point p {
    margin: 0;
    color: var(--text-light);
    line-height: 1.6;
}

.why-us-list {
    list-style: none;
    padding: 0;
    margin: 24px 0;
}

.why-us-list li {
    padding: 16px 0;
    padding-left: 40px;
    position: relative;
    color: var(--text-color);
    font-size: 16px;
    line-height: 1.7;
    border-bottom: 1px solid var(--border-color);
}

.why-us-list li:last-child {
    border-bottom: none;
}

.why-us-list li::before {
    content: "✓";
    position: absolute;
    left: 0;
    color: var(--success-color);
    font-weight: bold;
    font-size: 20px;
    width: 28px;
    height: 28px;
    display: flex;
    align-items: center;
    justify-content: center;
    background-color: rgba(54, 179, 126, 0.1);
    border-radius: 50%;
}

.contact-cta {
    margin-top: 48px;
    padding: 40px;
    background: linear-gradient(135deg, #0052CC 0%, #0747A6 100%);
    border-radius: 12px;
    text-align: center;
    color: white;
}

.contact-cta h2 {
    color: white;
    margin-top: 0;
}

.contact-cta p {
    color: rgba(255, 255, 255, 0.95);
    margin-bottom: 24px;
}

.contact-cta a {
    color: white;
    text-decoration: underline;
}

.contact-cta .btn-primary {
    background-color: white;
    color: var(--primary-color);
    border: none;
}

.contact-cta .btn-primary:hover {
    background-color: var(--bg-light);
    color: var(--primary-color);
}

/* Contact Form Styles */
.contact-form-container {
    max-width: 700px;
    margin: 40px auto;
    padding: 40px;
    background: white;
    border-radius: 12px;
    box-shadow: var(--shadow-md);
}

.contact-form {
    display: flex;
    flex-direction: column;
    gap: 24px;
}

.form-group {
    display: flex;
    flex-direction: column;
    gap: 8px;
}

.form-group label {
    font-weight: 600;
    color: var(--text-color);
    font-size: 16px;
}

.form-group input,
.form-group select,
.form-group textarea {
    padding: 12px 16px;
    border: 2px solid #e0e0e0;
    border-radius: 8px;
    font-size: 16px;
    font-family: inherit;
    transition: border-color 0.3s ease;
    background-color: white;
    color: var(--text-color);
}

.form-group input:focus,
.form-group select:focus,
.form-group textarea:focus {
    outline: none;
    border-color: var(--primary-color);
    box-shadow: 0 0 0 3px rgba(0, 82, 204, 0.1);
}

.form-group textarea {
    resize: vertical;
    min-height: 120px;
}

.form-group button[type="submit"] {
    align-self: flex-start;
    padding: 14px 32px;
    font-size: 16px;
}

.form-note {
    margin-top: 16px;
    padding-top: 16px;
    border-top: 1px solid #e0e0e0;
    color: var(--text-secondary);
    font-size: 14px;
    text-align: center;
}

.form-note a {
    color: var(--primary-color);
    text-decoration: none;
}

.form-note a:hover {
    text-decoration: underline;
}

.form-success {
    padding: 20px;
    background: linear-gradient(135deg, #d4edda 0%, #c3e6cb 100%);
    border: 2px solid #28a745;
    border-radius: 8px;
    color: #155724;
    font-size: 16px;
    line-height: 1.6;
    margin-top: 20px;
}

.form-success p {
    margin: 0;
    color: #155724;
}

.form-error {
    padding: 20px;
    background: linear-gradient(135deg, #f8d7da 0%, #f5c6cb 100%);
    border: 2px solid #dc3545;
    border-radius: 8px;
    color: #721c24;
    font-size: 16px;
    line-height: 1.6;
    margin-top: 20px;
}

.form-error p {
    margin: 0;
    color: #721c24;
}

/* Cookie Notice */
.cookie-notice {
    position: fixed;
    bottom: 0;
    left: 0;
    right: 0;
    background: rgba(0, 0, 0, 0.9);
    color: white;
    padding: 16px 24px;
    z-index: 10000;
    display: none;
    box-shadow: 0 -2px 10px rgba(0, 0, 0, 0.3);
}

.cookie-notice.show {
    display: block;
}

.cookie-notice-content {
    max-width: 1200px;
    margin: 0 auto;
    display: flex;
    align-items: center;
    justify-content: space-between;
    gap: 24px;
    flex-wrap: wrap;
}

.cookie-notice-text {
    flex: 1;
    font-size: 14px;
    line-height: 1.5;
}

.cookie-notice-text a {
    color: #4A9EFF;
    text-decoration: underline;
}

.cookie-notice-text a:hover {
    color: #6BB0FF;
}

.cookie-notice-buttons {
    display: flex;
    gap: 12px;
    flex-shrink: 0;
}

.cookie-notice-button {
    padding: 10px 20px;
    border: none;
    border-radius: 6px;
    font-size: 14px;
    font-weight: 600;
    cursor: pointer;
    transition: all 0.3s ease;
}

.cookie-notice-accept {
    background: var(--primary-color);
    color: white;
}

.cookie-notice-accept:hover {
    background: #0747A6;
    transform: translateY(-1px);
}

.cookie-notice-decline {
    background: transparent;
    color: white;
    border: 1px solid rgba(255, 255, 255, 0.3);
}

.cookie-notice-decline:hover {
    background: rgba(255, 255, 255, 0.1);
}

@media (max-width: 768px) {
    .cookie-notice-content {
        flex-direction: column;
        align-items: flex-start;
    }
    
    .cookie-notice-buttons {
        width: 100%;
    }
    
    .cookie-notice-button {
        flex: 1;
    }
}

.privacy-list {
    list-style: none;
    padding: 0;
    margin: 20px 0;
}

.privacy-list li {
    padding: 12px 0;
    padding-left: 32px;
    position: relative;
    color: var(--text-color);
    font-size: 16px;
    line-height: 1.7;
}

.privacy-list li::before {
    content: "•";
    position: absolute;
    left: 12px;
    color: var(--primary-color);
    font-weight: bold;
    font-size: 20px;
}

/* Enhanced Product Detail Pages - Intro paragraph styling */
.product-detail-main .product-intro {
    font-size: 20px !important;
    line-height: 1.9 !important;
    color: var(--text-color) !important;
    background: linear-gradient(135deg, #f0f4ff 0%, #e8f0fe 100%) !important;
    padding: 36px 40px !important;
    border-radius: 16px !important;
    margin-bottom: 48px !important;
    margin-top: 0 !important;
    border-left: 6px solid var(--primary-color) !important;
    box-shadow: 0 4px 16px rgba(0, 82, 204, 0.12) !important;
    font-weight: 500 !important;
    position: relative !important;
}

.product-detail-main .product-intro::after {
    content: "";
    position: absolute;
    top: 0;
    right: 0;
    width: 120px;
    height: 120px;
    background: radial-gradient(circle, rgba(0, 82, 204, 0.08) 0%, transparent 70%);
    border-radius: 0 16px 0 100%;
}

.additional-features {
    background-color: var(--bg-light);
    padding: 32px;
    border-radius: 12px;
    margin: 32px 0;
    list-style: none;
}

.additional-features li {
    padding: 16px 0;
    padding-left: 48px;
    position: relative;
    border-bottom: 1px solid rgba(0, 0, 0, 0.05);
}

.additional-features li:last-child {
    border-bottom: none;
}

.additional-features li::before {
    content: "✓";
    position: absolute;
    left: 12px;
    width: 28px;
    height: 28px;
    background: linear-gradient(135deg, var(--success-color) 0%, #2ea568 100%);
    color: white;
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    font-weight: bold;
    font-size: 16px;
    box-shadow: 0 2px 6px rgba(54, 179, 126, 0.3);
}

/* Article Styles */
.article-container {
    padding: 40px 0 80px;
    background-color: var(--bg-white);
}

.article-header {
    margin-bottom: 48px;
    padding-bottom: 32px;
    border-bottom: 3px solid var(--primary-color);
}

.article-header h1 {
    font-size: 42px;
    font-weight: 700;
    line-height: 1.2;
    margin-bottom: 16px;
    color: var(--text-color);
}

.article-meta {
    font-size: 16px;
    color: var(--text-light);
    font-weight: 500;
}

.article-content {
    max-width: 900px;
    margin: 0 auto;
    font-size: 18px;
    line-height: 1.8;
    color: var(--text-color);
}

.article-intro {
    font-size: 22px;
    line-height: 1.8;
    color: var(--text-color);
    background: linear-gradient(135deg, #f0f4ff 0%, #e8f0fe 100%);
    padding: 32px 40px;
    border-radius: 16px;
    margin-bottom: 48px;
    border-left: 6px solid var(--primary-color);
    box-shadow: 0 4px 16px rgba(0, 82, 204, 0.1);
    font-weight: 500;
}

.article-content h2 {
    font-size: 32px;
    font-weight: 700;
    margin-top: 56px;
    margin-bottom: 24px;
    color: var(--text-color);
    padding-bottom: 12px;
    border-bottom: 2px solid var(--border-color);
}

.article-content h3 {
    font-size: 26px;
    font-weight: 600;
    margin-top: 40px;
    margin-bottom: 20px;
    color: var(--text-color);
}

.article-content p {
    margin-bottom: 24px;
}

.article-content ul,
.article-content ol {
    margin: 24px 0;
    padding-left: 32px;
}

.article-content li {
    margin-bottom: 12px;
    line-height: 1.7;
}

.article-content code {
    background-color: var(--bg-light);
    padding: 2px 8px;
    border-radius: 4px;
    font-family: 'Courier New', monospace;
    font-size: 16px;
    color: var(--primary-color);
}

.article-content pre {
    background-color: #2d2d2d;
    color: #f8f8f2;
    padding: 24px;
    border-radius: 8px;
    overflow-x: auto;
    margin: 32px 0;
    font-size: 15px;
    line-height: 1.6;
}

.article-content pre code {
    background: none;
    padding: 0;
    color: inherit;
    font-size: inherit;
}

.article-content strong {
    color: var(--secondary-color);
    font-weight: 600;
}

/* Responsive for Product Detail */
@media (max-width: 968px) {
    .product-detail-content {
        grid-template-columns: 1fr;
    }

    .services-list,
    .trust-points {
        grid-template-columns: 1fr;
    }

    .article-header h1 {
        font-size: 32px;
    }

    .article-content {
        font-size: 16px;
    }

    .article-intro {
        font-size: 18px;
        padding: 24px;
    }
}