* {
            margin: 0;
            padding: 0;
            box-sizing: border-box;
        }

        html {
            scroll-behavior: smooth;
        }

        body {
            font-family: -apple-system, BlinkMacSystemFont, 'Segoe UI', 'Roboto', 'Oxygen', 'Ubuntu', 'Cantarell', 'Fira Sans', 'Droid Sans', 'Helvetica Neue', sans-serif;
            color: #202124;
            line-height: 1.6;
            background-color: #ffffff;
        }

        /* ===== Header & Navigation ===== */
        .sw9d9n-header {
            background: #ffffff;
            border-bottom: 1px solid #dadce0;
            position: sticky;
            top: 0;
            z-index: 1000;
            box-shadow: 0 1px 0 rgba(0, 0, 0, 0.04);
        }

        .sw9d9n-nav {
            max-width: 1400px;
            margin: 0 auto;
            padding: 0 24px;
            display: flex;
            align-items: center;
            justify-content: space-between;
            height: 64px;
        }

        .sw9d9n-logo {
            display: flex;
            align-items: center;
            flex-shrink: 0;
        }

        .sw9d9n-logo img {
            height: 40px;
            width: auto;
        }

        .sw9d9n-menu-toggle {
            display: none;
            background: none;
            border: none;
            cursor: pointer;
            padding: 8px;
            flex-direction: column;
            justify-content: center;
            gap: 5px;
        }

        .sw9d9n-menu-toggle span {
            width: 24px;
            height: 2px;
            background-color: #202124;
            border-radius: 2px;
            transition: all 0.3s ease;
        }

        .sw9d9n-menu-toggle.active span:nth-child(1) {
            transform: rotate(45deg) translate(10px, 10px);
        }

        .sw9d9n-menu-toggle.active span:nth-child(2) {
            opacity: 0;
        }

        .sw9d9n-menu-toggle.active span:nth-child(3) {
            transform: rotate(-45deg) translate(7px, -7px);
        }

        .sw9d9n-nav-menu {
            display: flex;
            align-items: center;
            gap: 32px;
            flex: 1;
            margin-left: 48px;
        }

        .sw9d9n-nav-menu a {
            color: #202124;
            text-decoration: none;
            font-size: 14px;
            font-weight: 500;
            position: relative;
            padding: 8px 0;
            transition: color 0.2s ease;
        }

        .sw9d9n-nav-menu a:hover {
            color: #1f73db;
        }

        .sw9d9n-nav-menu a.active {
            color: #1f73db;
            border-bottom: 2px solid #1f73db;
        }

        .sw9d9n-nav-overlay {
            display: none;
            position: fixed;
            top: 64px;
            left: 0;
            right: 0;
            bottom: 0;
            background: rgba(0, 0, 0, 0.5);
            z-index: 999;
        }

        .sw9d9n-nav-overlay.active {
            display: block;
        }

        /* ===== Security Header Section ===== */
        .sw9d9n-security-header {
            background: linear-gradient(135deg, #1f73db 0%, #1a56db 100%);
            color: white;
            padding: 60px 24px;
            margin-top: 0;
        }

        .sw9d9n-security-header-content {
            max-width: 1400px;
            margin: 0 auto;
        }

        .sw9d9n-breadcrumb {
            font-size: 13px;
            opacity: 0.9;
            margin-bottom: 24px;
        }

        .sw9d9n-breadcrumb a {
            color: rgba(255, 255, 255, 0.8);
            text-decoration: none;
            transition: opacity 0.2s;
        }

        .sw9d9n-breadcrumb a:hover {
            opacity: 1;
        }

        .sw9d9n-security-header h1 {
            font-size: 48px;
            font-weight: 500;
            margin-bottom: 16px;
            line-height: 1.2;
        }

        .sw9d9n-security-header p {
            font-size: 18px;
            opacity: 0.95;
            max-width: 600px;
            line-height: 1.5;
        }

        /* ===== Main Content ===== */
        .sw9d9n-main {
            max-width: 1400px;
            margin: 0 auto;
            padding: 80px 24px;
        }

        /* ===== Security Pillars Section ===== */
        .sw9d9n-pillars-section {
            margin-bottom: 100px;
        }

        .sw9d9n-section-intro {
            text-align: center;
            margin-bottom: 60px;
            max-width: 800px;
            margin-left: auto;
            margin-right: auto;
        }

        .sw9d9n-section-intro h2 {
            font-size: 36px;
            font-weight: 500;
            margin-bottom: 16px;
            color: #202124;
        }

        .sw9d9n-section-intro p {
            font-size: 16px;
            color: #5f6368;
            line-height: 1.6;
        }

        .sw9d9n-pillars-grid {
            display: grid;
            grid-template-columns: repeat(auto-fit, minmax(320px, 1fr));
            gap: 32px;
            margin-bottom: 60px;
        }

        .sw9d9n-pillar-card {
            background: #f8f9fa;
            border-radius: 8px;
            padding: 32px;
            transition: all 0.3s ease;
            border: 1px solid #e8eaed;
        }

        .sw9d9n-pillar-card:hover {
            box-shadow: 0 4px 16px rgba(31, 115, 219, 0.15);
            transform: translateY(-4px);
            background: #ffffff;
        }

        .sw9d9n-pillar-icon {
            font-size: 40px;
            margin-bottom: 16px;
            display: block;
        }

        .sw9d9n-pillar-card h3 {
            font-size: 18px;
            font-weight: 500;
            margin-bottom: 12px;
            color: #202124;
        }

        .sw9d9n-pillar-card p {
            font-size: 14px;
            color: #5f6368;
            line-height: 1.6;
        }

        /* ===== Security Features Section ===== */
        .sw9d9n-features-section {
            margin-bottom: 100px;
        }

        .sw9d9n-features-layout {
            display: grid;
            grid-template-columns: 1fr 1fr;
            gap: 60px;
            align-items: center;
            margin-top: 40px;
        }

        .sw9d9n-features-image {
            width: 100%;
        }

        .sw9d9n-features-image img {
            width: 100%;
            height: auto;
            border-radius: 8px;
            display: block;
        }

        .sw9d9n-features-list {
            list-style: none;
        }

        .sw9d9n-feature-item {
            display: flex;
            gap: 16px;
            margin-bottom: 28px;
        }

        .sw9d9n-feature-item-icon {
            font-size: 24px;
            flex-shrink: 0;
            line-height: 1.4;
        }

        .sw9d9n-feature-item-content h4 {
            font-size: 16px;
            font-weight: 500;
            margin-bottom: 8px;
            color: #202124;
        }

        .sw9d9n-feature-item-content p {
            font-size: 14px;
            color: #5f6368;
            line-height: 1.5;
        }

        /* ===== Security Technologies Section ===== */
        .sw9d9n-tech-section {
            background: #f8f9fa;
            padding: 80px 24px;
            margin: 0 -24px 100px -24px;
            border-top: 1px solid #e8eaed;
            border-bottom: 1px solid #e8eaed;
        }

        .sw9d9n-tech-content {
            max-width: 1400px;
            margin: 0 auto;
        }

        .sw9d9n-tech-grid {
            display: grid;
            grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
            gap: 32px;
            margin-top: 40px;
        }

        .sw9d9n-tech-card {
            background: white;
            padding: 32px;
            border-radius: 8px;
            border: 1px solid #e8eaed;
            transition: all 0.3s ease;
        }

        .sw9d9n-tech-card:hover {
            box-shadow: 0 4px 12px rgba(0, 0, 0, 0.08);
        }

        .sw9d9n-tech-card h3 {
            font-size: 18px;
            font-weight: 500;
            margin-bottom: 12px;
            color: #1f73db;
        }

        .sw9d9n-tech-card p {
            font-size: 14px;
            color: #5f6368;
            line-height: 1.6;
        }

        /* ===== Privacy Protection Section ===== */
        .sw9d9n-privacy-section {
            margin-bottom: 100px;
        }

        .sw9d9n-privacy-layout {
            display: grid;
            grid-template-columns: 1fr 1fr;
            gap: 60px;
            align-items: center;
            margin-top: 40px;
        }

        .sw9d9n-privacy-content {
            order: 2;
        }

        .sw9d9n-privacy-image {
            order: 1;
            width: 100%;
        }

        .sw9d9n-privacy-image img {
            width: 100%;
            height: auto;
            border-radius: 8px;
            display: block;
        }

        .sw9d9n-privacy-controls {
            background: #f8f9fa;
            padding: 24px;
            border-radius: 8px;
            margin-top: 24px;
        }

        .sw9d9n-privacy-controls h4 {
            font-size: 16px;
            font-weight: 500;
            margin-bottom: 16px;
            color: #202124;
        }

        .sw9d9n-control-item {
            display: flex;
            align-items: center;
            gap: 12px;
            margin-bottom: 12px;
            font-size: 14px;
        }

        .sw9d9n-control-item::before {
            content: "✓";
            color: #0f9747;
            font-weight: bold;
            font-size: 16px;
            flex-shrink: 0;
        }

        /* ===== Security Stats Section ===== */
        .sw9d9n-stats-section {
            display: grid;
            grid-template-columns: repeat(auto-fit, minmax(200px, 1fr));
            gap: 32px;
            padding: 60px 0;
            border-top: 1px solid #e8eaed;
            border-bottom: 1px solid #e8eaed;
            margin-bottom: 100px;
        }

        .sw9d9n-stat-card {
            text-align: center;
        }

        .sw9d9n-stat-number {
            font-size: 36px;
            font-weight: 500;
            color: #1f73db;
            margin-bottom: 8px;
        }

        .sw9d9n-stat-label {
            font-size: 14px;
            color: #5f6368;
            line-height: 1.5;
        }

        /* ===== CTA Section ===== */
        .sw9d9n-security-cta {
            background: linear-gradient(135deg, #1f73db 0%, #1a56db 100%);
            color: white;
            padding: 60px 24px;
            border-radius: 8px;
            text-align: center;
        }

        .sw9d9n-security-cta h2 {
            font-size: 32px;
            font-weight: 500;
            margin-bottom: 16px;
        }

        .sw9d9n-security-cta p {
            font-size: 16px;
            opacity: 0.95;
            margin-bottom: 32px;
            max-width: 600px;
            margin-left: auto;
            margin-right: auto;
        }

        .sw9d9n-cta-buttons {
            display: flex;
            gap: 16px;
            justify-content: center;
            flex-wrap: wrap;
        }

        .sw9d9n-btn {
            padding: 12px 32px;
            font-size: 14px;
            font-weight: 500;
            border: none;
            border-radius: 4px;
            cursor: pointer;
            transition: all 0.2s ease;
            text-decoration: none;
            display: inline-block;
        }

        .sw9d9n-btn-primary {
            background: white;
            color: #1f73db;
        }

        .sw9d9n-btn-primary:hover {
            background: #f1f3f4;
            transform: translateY(-2px);
        }

        .sw9d9n-btn-secondary {
            background: rgba(255, 255, 255, 0.2);
            color: white;
            border: 1px solid rgba(255, 255, 255, 0.3);
        }

        .sw9d9n-btn-secondary:hover {
            background: rgba(255, 255, 255, 0.3);
            transform: translateY(-2px);
        }

        /* ===== FAQ Section ===== */
        .sw9d9n-faq-section {
            margin-bottom: 80px;
        }

        .sw9d9n-faq-container {
            max-width: 800px;
            margin: 0 auto;
        }

        .sw9d9n-faq-item {
            border-bottom: 1px solid #e8eaed;
            padding: 24px 0;
        }

        .sw9d9n-faq-item:last-child {
            border-bottom: none;
        }

        .sw9d9n-faq-question {
            font-size: 16px;
            font-weight: 500;
            color: #202124;
            cursor: pointer;
            display: flex;
            justify-content: space-between;
            align-items: center;
            gap: 16px;
        }

        .sw9d9n-faq-toggle {
            font-size: 20px;
            flex-shrink: 0;
            transition: transform 0.3s ease;
        }

        .sw9d9n-faq-toggle.open {
            transform: rotate(180deg);
        }

        .sw9d9n-faq-answer {
            display: none;
            padding-top: 16px;
            font-size: 14px;
            color: #5f6368;
            line-height: 1.6;
        }

        .sw9d9n-faq-answer.open {
            display: block;
        }

        /* ===== Footer ===== */
        .sw9d9n-footer {
            background: #f8f9fa;
            border-top: 1px solid #e8eaed;
            padding: 60px 24px 40px;
            margin-top: 100px;
        }

        .sw9d9n-footer-content {
            max-width: 1400px;
            margin: 0 auto;
        }

        .sw9d9n-footer-grid {
            display: grid;
            grid-template-columns: repeat(auto-fit, minmax(200px, 1fr));
            gap: 40px;
            margin-bottom: 40px;
        }

        .sw9d9n-footer-section h3 {
            font-size: 14px;
            font-weight: 600;
            color: #202124;
            margin-bottom: 16px;
            text-transform: uppercase;
            letter-spacing: 0.5px;
        }

        .sw9d9n-footer-section ul {
            list-style: none;
        }

        .sw9d9n-footer-section li {
            margin-bottom: 12px;
        }

        .sw9d9n-footer-section a {
            color: #5f6368;
            text-decoration: none;
            font-size: 13px;
            transition: color 0.2s;
        }

        .sw9d9n-footer-section a:hover {
            color: #202124;
        }

        .sw9d9n-footer-bottom {
            display: flex;
            justify-content: space-between;
            align-items: center;
            padding-top: 24px;
            border-top: 1px solid #e8eaed;
            flex-wrap: wrap;
            gap: 16px;
        }

        .sw9d9n-footer-brand {
            font-size: 14px;
            color: #5f6368;
            font-weight: 500;
        }

        .sw9d9n-footer-links {
            display: flex;
            gap: 24px;
            flex-wrap: wrap;
        }

        .sw9d9n-footer-links a {
            color: #5f6368;
            text-decoration: none;
            font-size: 13px;
            transition: color 0.2s;
        }

        .sw9d9n-footer-links a:hover {
            color: #202124;
        }

        /* ===== Responsive Design ===== */
        @media (max-width: 768px) {
            .sw9d9n-menu-toggle {
                display: flex;
            }

            .sw9d9n-nav-menu {
                position: fixed;
                top: 64px;
                left: 0;
                right: 0;
                background: white;
                flex-direction: column;
                gap: 16px;
                padding: 24px;
                display: none;
                box-shadow: 0 4px 8px rgba(0, 0, 0, 0.1);
                z-index: 1001;
            }

            .sw9d9n-nav-menu.active {
                display: flex;
            }

            .sw9d9n-nav-menu a {
                padding: 12px 0;
                border-bottom: none;
            }

            .sw9d9n-security-header {
                padding: 40px 24px;
            }

            .sw9d9n-security-header h1 {
                font-size: 32px;
            }

            .sw9d9n-security-header p {
                font-size: 16px;
            }

            .sw9d9n-main {
                padding: 40px 24px;
            }

            .sw9d9n-section-intro h2 {
                font-size: 28px;
            }

            .sw9d9n-pillars-grid {
                grid-template-columns: 1fr;
                gap: 24px;
            }

            .sw9d9n-features-layout,
            .sw9d9n-privacy-layout {
                grid-template-columns: 1fr;
                gap: 32px;
            }

            .sw9d9n-privacy-content {
                order: 1;
            }

            .sw9d9n-privacy-image {
                order: 2;
            }

            .sw9d9n-tech-grid {
                grid-template-columns: 1fr;
            }

            .sw9d9n-stats-section {
                grid-template-columns: repeat(2, 1fr);
            }

            .sw9d9n-footer-grid {
                grid-template-columns: repeat(2, 1fr);
            }

            .sw9d9n-footer-bottom {
                flex-direction: column;
                align-items: flex-start;
            }

            .sw9d9n-faq-question {
                font-size: 14px;
            }
        }

        @media (max-width: 480px) {
            .sw9d9n-nav {
                padding: 0 16px;
                height: 56px;
            }

            .sw9d9n-security-header h1 {
                font-size: 24px;
            }

            .sw9d9n-section-intro h2 {
                font-size: 24px;
            }

            .sw9d9n-main {
                padding: 32px 16px;
            }

            .sw9d9n-pillar-card {
                padding: 24px;
            }

            .sw9d9n-stats-section {
                grid-template-columns: 1fr;
            }

            .sw9d9n-footer-grid {
                grid-template-columns: 1fr;
            }

            .sw9d9n-security-cta {
                padding: 40px 16px;
            }

            .sw9d9n-security-cta h2 {
                font-size: 24px;
            }

            .sw9d9n-cta-buttons {
                flex-direction: column;
            }

            .sw9d9n-btn {
                width: 100%;
            }
        }