* {
            margin: 0;
            padding: 0;
            box-sizing: border-box;
            font-family: "Poppins", sans-serif;
        }

        body {
            font-family: -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, 'Helvetica Neue', Arial, sans-serif;
            background-color: #f5f5f5;
        }

        /* Top Bar */
        .top-bar {
            background-color: #004489;
            color: white;
            padding: 2px 0;
            font-size: 11px;
        }

        .top-bar .dropdown-toggle {
            background: none;
            border: none;
            color: white;
            font-size: 14px;
        }

        .top-bar .dropdown-toggle:hover {
            opacity: 0.8;
        }

        .top-bar .icon-links a {
            color: white;
            font-size: 18px;
            margin-left: 15px;
            text-decoration: none;
        }

        .top-bar .icon-links a:hover {
            opacity: 0.8;
        }

        /* Main Navigation */
        .main-nav {
            /* background-color: #0056b3; */
            /* background-color: #ff6e00; */
            background-color: #fff;
            padding: 5px 0;
        }

        .main-nav .navbar-brand {
            font-size: 28px;
            font-weight: 700;
            color: #000 !important;
        }

        .main-nav .nav-link {
            color: #000 !important;
            font-size: 16px;
            margin: 0 5px;
            font-weight: 500;
            transition: opacity 0.3s;
        }

        .main-nav .nav-link:hover {
            opacity: 0.8;
        }

        .main-nav .search-icon {
            color: #000;
            font-size: 20px;
            cursor: pointer;
        }

        /* Hero Section */
        .hero-section {
            /* background: linear-gradient(135deg, #003366 0%, #004d99 50%, #0066cc 100%); */
            position: relative;
            padding: 100px 0 100px;
            overflow: hidden;

            background-image: url("../../../media/images/banner.jpg");
            background-size: cover;      /* cover full screen */
            background-position: center; /* center image */
            background-repeat: no-repeat;
            overflow: hidden;
            margin-bottom: 92px;

        }

        .hero-section::before {
            content: '';
            position: absolute;
            top: 0;
            left: 0;
            right: 0;
            bottom: 0;
            background-image: 
                radial-gradient(ellipse at 80% 50%, rgba(100, 180, 255, 0.3) 0%, transparent 50%),
                radial-gradient(ellipse at 20% 80%, rgba(0, 120, 215, 0.2) 0%, transparent 50%);
        }

        .hero-section::after {
            content: '';
            position: absolute;
            bottom: 0;
            left: 0;
            right: 0;
            height: 150px;
            background: linear-gradient(to bottom, transparent, rgba(255,255,255,0.1));
            clip-path: ellipse(100% 100% at 50% 100%);
        }

        .hero-content {
            position: relative;
            z-index: 2;
            text-align: center;
            color: white;
        }

        .hero-content h1 {
            font-size: 55px;
            font-weight: 700;
            margin-bottom: 5px;
            line-height: 1.2;
        }

        .hero-content p {
            font-size: 20px;
            margin-bottom: 20px;
            opacity: 0.95;
        }

        .hero-content .btn-explore {
            background-color: #0066cc;
            color: white;
            padding: 14px 40px;
            font-size: 16px;
            font-weight: 600;
            border: none;
            border-radius: 5px;
            transition: all 0.3s;
            box-shadow: 0 4px 15px rgba(0, 0, 0, 0.2);
        }

        .hero-content .btn-explore:hover {
            background-color: #0052a3;
            transform: translateY(-2px);
            box-shadow: 0 6px 20px rgba(0, 0, 0, 0.3);
        }

        /* Content Section */
        .content-section {
            padding: 60px 0;
            margin-top: -80px;
            position: relative;
            z-index: 3;
        }

        /* Card Styles */
        .info-card {
            background: linear-gradient(135deg, #a8d5ff 0%, #7cb8f0 100%);
            border-radius: 15px;
            padding: 35px;
            margin-bottom: 25px;
            border: none;
            box-shadow: 0 4px 15px rgba(0, 0, 0, 0.1);
        }

        .info-card .icon-box {
            background-color: white;
            width: 50px;
            height: 50px;
            border-radius: 10px;
            display: flex;
            align-items: center;
            justify-content: center;
            margin-bottom: 20px;
        }

        .info-card .icon-box i {
            font-size: 24px;
            color: #0056b3;
        }

        .info-card h3 {
            font-size: 24px;
            font-weight: 700;
            margin-bottom: 15px;
            color: #003366;
        }

        .info-card p {
            font-size: 14px;
            line-height: 1.6;
            color: #003366;
            margin: 0;
        }

        /* Journal Section */
        .journal-section h2 {
            font-size: 32px;
            font-weight: 700;
            margin-bottom: 30px;
            color: #1a1a1a;
        }

        .journal-card {
            background: linear-gradient(135deg, #003d7a 0%, #004d99 100%);
            border-radius: 15px;
            padding: 30px;
            margin-bottom: 20px;
            border: none;
            box-shadow: 0 4px 15px rgba(0, 0, 0, 0.1);
            color: white;
        }

        .journal-card .icon-box {
            background-color: white;
            width: 45px;
            height: 45px;
            border-radius: 8px;
            display: flex;
            align-items: center;
            justify-content: center;
            margin-bottom: 15px;
        }

        .journal-card .icon-box i {
            font-size: 22px;
            color: #003d7a;
        }

        .journal-card h4 {
            font-size: 22px;
            font-weight: 700;
            margin-bottom: 12px;
        }

        .journal-card p {
            font-size: 13px;
            line-height: 1.5;
            margin: 0;
            opacity: 0.95;
        }

        /* Footer */
        .footer {
            background-color: #003366;
            color: white;
            padding: 50px 0 30px;
            margin-top: 60px;
        }

        .footer h5 {
            font-size: 20px;
            font-weight: 500;
            margin-bottom: 20px;
        }

        .footer p {
            font-size: 14px;
            line-height: 1.6;
            opacity: 0.9;
        }

        .footer ul {
            list-style: none;
            padding: 0;
        }

        .footer ul li {
            margin-bottom: 10px;
        }

        .footer ul li a {
            color: white;
            text-decoration: none;
            font-size: 14px;
            opacity: 0.9;
            transition: opacity 0.3s;
        }

        .footer ul li a:hover {
            opacity: 1;
        }

        .social-links a {
            display: inline-flex;
            align-items: center;
            justify-content: center;
            width: 35px;
            height: 35px;
            background-color: rgba(255, 255, 255, 0.1);
            border-radius: 5px;
            color: white;
            text-decoration: none;
            margin-right: 10px;
            transition: all 0.3s;
        }

        .social-links a:hover {
            background-color: rgba(255, 255, 255, 0.2);
        }

        .footer-bottom {
            text-align: center;
            margin-top: 40px;
            padding-top: 25px;
            border-top: 1px solid rgba(255, 255, 255, 0.1);
            font-size: 14px;
            opacity: 0.8;
        }

        @media (max-width: 768px) {
            .hero-content h1 {
                font-size: 32px;
            }

            .hero-content p {
                font-size: 16px;
            }

            .content-section {
                margin-top: -40px;
            }
        }

        .paper-item{
            border: 1px solid #ccc;
            border-radius: 5px;
            padding: 16px;
            background: #fff;
            margin-bottom: 10px;
        }