/* Basic Style Reset */
        * {
            margin: 0;
            padding: 0;
            box-sizing: border-box;
            font-family: 'Arial', 'Helvetica Neue', sans-serif;
        }
        body {
            background-color: #f5f7fa;
            color: #2d3748;
            line-height: 1.8;
            padding: 20px 0;
        }
        /* Page Container */
        .otomo-container {
            max-width: 1200px;
            margin: 0 auto;
            padding: 0 20px;
        }
        /* Header Area */
        .page-header {
            text-align: center;
            margin-bottom: 40px;
            padding-bottom: 20px;
            border-bottom: 2px solid #0f4c81;
            transition: all 0.3s ease;
        }
        .page-header:hover {
            transform: translateY(-3px);
        }
        .main-title {
            font-size: 32px;
            font-weight: 700;
            color: #0f4c81;
            margin-bottom: 10px;
            letter-spacing: 0.5px;
        }
        .anti-uav-title {
            font-size: 20px;
            color: #c93030;
            font-weight: 600;
            margin: 10px 0;
        }
        .sub-title {
            font-size: 18px;
            color: #4a5568;
            max-width: 900px;
            margin: 0 auto;
            line-height: 1.6;
        }
        /* Core Introduction Area */
        .core-intro {
            background-color: #ffffff;
            padding: 40px;
            border-radius: 12px;
            box-shadow: 0 2px 8px rgba(0,0,0,0.08);
            margin-bottom: 40px;
            transition: all 0.3s ease;
        }
        .core-intro:hover {
            box-shadow: 0 8px 20px rgba(0,0,0,0.12);
            transform: translateY(-4px);
        }
        .intro-title {
            font-size: 24px;
            color: #0f4c81;
            margin-bottom: 20px;
            font-weight: 600;
            border-left: 4px solid #0f4c81;
            padding-left: 15px;
        }
        .core-intro p {
            font-size: 16px;
            margin-bottom: 18px;
            line-height: 1.8;
            color: #334155;
        }
        /* Timeline Section */
        .timeline-section {
            background-color: #ffffff;
            padding: 40px;
            border-radius: 12px;
            box-shadow: 0 2px 8px rgba(0,0,0,0.08);
            margin-bottom: 40px;
            transition: all 0.3s ease;
        }
        .timeline-section:hover {
            box-shadow: 0 8px 20px rgba(0,0,0,0.12);
            transform: translateY(-4px);
        }
        .timeline-title {
            font-size: 22px;
            color: #0f4c81;
            margin-bottom: 30px;
            font-weight: 600;
            border-left: 4px solid #0f4c81;
            padding-left: 15px;
        }
        .timeline {
            position: relative;
            max-width: 100%;
            margin: 0 auto;
        }
        .timeline::after {
            content: '';
            position: absolute;
            width: 4px;
            background-color: #0f4c81;
            top: 0;
            bottom: 0;
            left: 50%;
            margin-left: -2px;
        }
        .timeline-item {
            padding: 15px 45px;
            position: relative;
            width: 50%;
            box-sizing: border-box;
            margin-bottom: 25px;
            transition: all 0.3s ease;
        }
        .timeline-item:hover {
            transform: scale(1.02);
        }
        .timeline-item::after {
            content: '';
            position: absolute;
            width: 22px;
            height: 22px;
            background-color: #ffffff;
            border: 4px solid #0f4c81;
            border-radius: 50%;
            top: 20px;
            z-index: 1;
        }
        .left {
            left: 0;
        }
        .right {
            left: 50%;
        }
        .left::after {
            right: -11px;
        }
        .right::after {
            left: -11px;
        }
        .timeline-content {
            padding: 25px;
            background-color: #f8f9fc;
            border-radius: 10px;
            border-top: 3px solid #0f4c81;
            box-shadow: 0 1px 4px rgba(0,0,0,0.05);
            transition: all 0.3s ease;
        }
        .timeline-content:hover {
            background-color: #e8f4f8;
        }
        .timeline-year {
            font-size: 20px;
            font-weight: 600;
            color: #0f4c81;
            margin-bottom: 10px;
        }
        .timeline-desc {
            font-size: 15px;
            color: #4a5568;
            line-height: 1.7;
        }
        /* Advantage Section */
        .advantage-section {
            background-color: #ffffff;
            padding: 40px;
            border-radius: 12px;
            box-shadow: 0 2px 8px rgba(0,0,0,0.08);
            margin-bottom: 40px;
            transition: all 0.3s ease;
        }
        .advantage-section:hover {
            box-shadow: 0 8px 20px rgba(0,0,0,0.12);
            transform: translateY(-4px);
        }
        .advantage-grid {
            display: grid;
            grid-template-columns: repeat(auto-fit, minmax(320px, 1fr));
            gap: 25px;
            margin-top: 25px;
        }
        .advantage-card {
            background-color: #f8f9fc;
            padding: 25px;
            border-radius: 10px;
            border-top: 3px solid #0f4c81;
            transition: all 0.35s ease;
            height: 100%;
        }
        .advantage-card:hover {
            transform: translateY(-10px);
            box-shadow: 0 10px 25px rgba(0,0,0,0.15);
            background-color: #e8f4f8;
        }
        .advantage-icon {
            font-size: 32px;
            color: #0f4c81;
            margin-bottom: 15px;
            display: block;
        }
        .advantage-title {
            font-size: 19px;
            color: #0f4c81;
            margin-bottom: 12px;
            font-weight: 600;
        }
        .advantage-list {
            padding-left: 22px;
            font-size: 15px;
            color: #4a5568;
            line-height: 1.7;
        }
        .advantage-list li {
            margin-bottom: 10px;
        }
        /* Culture Section */
        .culture-section {
            background-color: #ffffff;
            padding: 40px;
            border-radius: 12px;
            box-shadow: 0 2px 8px rgba(0,0,0,0.08);
            margin-bottom: 40px;
            transition: all 0.3s ease;
        }
        .culture-section:hover {
            box-shadow: 0 8px 20px rgba(0,0,0,0.12);
            transform: translateY(-4px);
        }
        .culture-grid {
            display: grid;
            grid-template-columns: repeat(auto-fit, minmax(280px, 1fr));
            gap: 25px;
            margin-top: 25px;
            margin-bottom: 35px;
        }
        .culture-card {
            background-color: #e8f4f8;
            padding: 30px 20px;
            border-radius: 10px;
            text-align: center;
            transition: all 0.3s ease;
        }
        .culture-card:hover {
            transform: translateY(-8px);
            box-shadow: 0 8px 20px rgba(0,0,0,0.12);
            background-color: #d4e6f1;
        }
        .culture-icon {
            font-size: 36px;
            color: #0f4c81;
            margin-bottom: 18px;
        }
        .culture-title {
            font-size: 19px;
            color: #0f4c81;
            margin-bottom: 12px;
            font-weight: 600;
        }
        .culture-desc {
            font-size: 15px;
            color: #4a5568;
            line-height: 1.7;
        }
        .culture-values h4 {
            font-size: 20px;
            color: #0f4c81;
            margin-bottom: 20px;
            font-weight: 600;
        }
        .value-item {
            margin-bottom: 25px;
            background-color: #f8f9fc;
            padding: 20px;
            border-radius: 8px;
            transition: all 0.3s ease;
        }
        .value-item:hover {
            background-color: #e8f4f8;
            transform: translateX(6px);
        }
        .value-item h5 {
            font-size: 17px;
            color: #0f4c81;
            margin-bottom: 12px;
            font-weight: 600;
        }
        .value-item p {
            padding-left: 28px;
            font-size: 15px;
            color: #4a5568;
            line-height: 1.7;
        }
        /* Production Section */
        .production-section {
            background-color: #ffffff;
            padding: 40px;
            border-radius: 12px;
            box-shadow: 0 2px 8px rgba(0,0,0,0.08);
            margin-bottom: 40px;
            transition: all 0.3s ease;
        }
        .production-section:hover {
            box-shadow: 0 8px 20px rgba(0,0,0,0.12);
            transform: translateY(-4px);
        }
        .production-section p {
            font-size: 16px;
            color: #4a5568;
            margin-bottom: 25px;
            line-height: 1.8;
        }
        .production-card {
            background-color: #f8f9fc;
            padding: 25px;
            border-radius: 10px;
            margin-bottom: 20px;
            border-top: 3px solid #0f4c81;
            transition: all 0.3s ease;
        }
        .production-card:hover {
            background-color: #e8f4f8;
            transform: translateX(6px);
        }
        .production-card h4 {
            font-size: 19px;
            color: #0f4c81;
            margin-bottom: 12px;
            font-weight: 600;
        }
        .production-card p {
            font-size: 15px;
            color: #4a5568;
            line-height: 1.7;
            margin-bottom: 0;
        }
        /* Contact Section */
        .subscribe-section {
            background-color: #0f4c81;
            color: #ffffff;
            padding: 45px 30px;
            border-radius: 12px;
            text-align: center;
            margin-bottom: 40px;
            box-shadow: 0 4px 12px rgba(15,76,129,0.15);
            transition: all 0.3s ease;
        }
        .subscribe-section:hover {
            transform: translateY(-4px);
            box-shadow: 0 8px 20px rgba(15,76,129,0.25);
        }
        .subscribe-title {
            font-size: 22px;
            margin-bottom: 20px;
            font-weight: 600;
            letter-spacing: 0.5px;
        }
        .subscribe-section p {
            font-size: 16px;
            margin-bottom: 25px;
            opacity: 0.95;
            max-width: 700px;
            margin-left: auto;
            margin-right: auto;
        }
        .contact-links {
            font-size: 18px;
            display: flex;
            align-items: center;
            justify-content: center;
            gap: 30px;
            flex-wrap: wrap;
        }
        .contact-links a {
            color: #ffffff;
            text-decoration: none;
            transition: all 0.3s ease;
        }
        .contact-links a:hover {
            color: #e8f4f8;
            text-decoration: underline;
            transform: scale(1.08);
        }
        /* Footer Banner */
        .footer-banner {
            text-align: center;
            padding: 30px 20px;
            background-color: #0f4c81;
            color: #ffffff;
            border-radius: 12px;
            box-shadow: 0 4px 12px rgba(15,76,129,0.15);
            transition: all 0.3s ease;
        }
        .footer-banner:hover {
            transform: translateY(-4px);
            box-shadow: 0 8px 20px rgba(15,76,129,0.25);
        }
        .footer-banner h3 {
            font-size: 22px;
            margin-bottom: 12px;
            font-weight: 600;
            letter-spacing: 0.5px;
        }
        .footer-banner p {
            font-size: 16px;
            opacity: 0.95;
            max-width: 800px;
            margin: 0 auto;
            line-height: 1.7;
        }
        /* Responsive Adaptation */
        @media (max-width: 992px) {
            .timeline::after {
                left: 31px;
            }
            .timeline-item {
                width: 100%;
                padding-left: 75px;
                padding-right: 25px;
                margin-bottom: 20px;
            }
            .timeline-item::after {
                left: 18px;
            }
            .left::after, .right::after {
                left: 18px;
            }
            .right {
                left: 0%;
            }
        }
        @media (max-width: 768px) {
            .main-title {
                font-size: 28px;
            }
            .anti-uav-title {
                font-size: 17px;
            }
            .sub-title {
                font-size: 17px;
            }
            .intro-title, .timeline-title {
                font-size: 20px;
            }
            .core-intro, .timeline-section, .advantage-section, 
            .culture-section, .production-section {
                padding: 30px 20px;
            }
            .advantage-grid {
                grid-template-columns: 1fr;
            }
            .culture-grid {
                grid-template-columns: 1fr;
            }
            .timeline-item {
                padding-left: 65px;
            }
            .footer-banner h3 {
                font-size: 20px;
            }
            .footer-banner p {
                font-size: 15px;
            }
            .contact-links {
                flex-direction: column;
                gap: 15px;
            }
        }
        @media (max-width: 480px) {
            .main-title {
                font-size: 24px;
            }
            .timeline-content {
                padding: 20px 15px;
            }
            .advantage-card {
                padding: 20px 15px;
            }
        }