:root {
            --primary-color: #e63946;
            --secondary-color: #1d3557;
            --accent-color: #ff9a76;
            --light-bg: #f8f9fa;
            --dark-text: #212529;
        }
        body {
            font-family: 'Noto Sans SC', sans-serif;
            color: var(--dark-text);
            background-color: #fff;
            line-height: 1.8;
        }
        h1, h2, h3, h4 {
            color: var(--secondary-color);
            font-weight: 700;
        }
        .navbar {
            background-color: rgba(29, 53, 87, 0.95);
            box-shadow: 0 4px 12px rgba(0,0,0,0.1);
        }
        .navbar-brand {
            font-size: 1.8rem;
            font-weight: bold;
            color: white !important;
        }
        .nav-link {
            color: rgba(255,255,255,0.9) !important;
            font-weight: 500;
            margin: 0 8px;
            transition: color 0.3s;
        }
        .nav-link:hover {
            color: var(--accent-color) !important;
        }
        .hero-section {
            background: linear-gradient(rgba(0,0,0,0.7), rgba(0,0,0,0.7)), url('https://images.unsplash.com/photo-1544005313-94ddf0286df2?ixlib=rb-4.0.3&auto=format&fit=crop&w=1920&q=80') center/cover no-repeat;
            color: white;
            padding: 120px 0;
            text-align: center;
        }
        .hero-title {
            font-size: 3.5rem;
            font-weight: 800;
            margin-bottom: 20px;
            text-shadow: 2px 2px 8px rgba(0,0,0,0.5);
        }
        .hero-subtitle {
            font-size: 1.3rem;
            max-width: 800px;
            margin: 0 auto 30px;
            opacity: 0.9;
        }
        .btn-primary {
            background-color: var(--primary-color);
            border-color: var(--primary-color);
            padding: 12px 30px;
            font-weight: 600;
            border-radius: 50px;
            transition: all 0.3s;
        }
        .btn-primary:hover {
            background-color: #d32f2f;
            border-color: #d32f2f;
            transform: translateY(-3px);
            box-shadow: 0 6px 12px rgba(230, 57, 70, 0.3);
        }
        .section-title {
            position: relative;
            padding-bottom: 15px;
            margin-bottom: 40px;
            text-align: center;
        }
        .section-title::after {
            content: '';
            position: absolute;
            bottom: 0;
            left: 50%;
            transform: translateX(-50%);
            width: 80px;
            height: 4px;
            background: var(--accent-color);
        }
        .card {
            border: none;
            border-radius: 15px;
            overflow: hidden;
            box-shadow: 0 8px 20px rgba(0,0,0,0.08);
            transition: transform 0.4s, box-shadow 0.4s;
            height: 100%;
        }
        .card:hover {
            transform: translateY(-10px);
            box-shadow: 0 15px 30px rgba(0,0,0,0.15);
        }
        .card-img-top {
            height: 250px;
            object-fit: cover;
            transition: transform 0.5s;
        }
        .card:hover .card-img-top {
            transform: scale(1.05);
        }
        .badge-custom {
            background-color: var(--primary-color);
            font-size: 0.8rem;
            padding: 5px 10px;
            border-radius: 20px;
        }
        .video-container {
            position: relative;
            padding-bottom: 56.25%;
            height: 0;
            overflow: hidden;
            border-radius: 15px;
            box-shadow: 0 10px 25px rgba(0,0,0,0.1);
        }
        .video-container iframe {
            position: absolute;
            top: 0;
            left: 0;
            width: 100%;
            height: 100%;
            border: 0;
        }
        .flink {
            display: inline-block;
            background: var(--light-bg);
            padding: 12px 25px;
            margin: 8px;
            border-radius: 10px;
            color: var(--secondary-color);
            text-decoration: none;
            font-weight: 500;
            transition: all 0.3s;
            border: 2px solid transparent;
        }
        .flink:hover {
            background: var(--accent-color);
            color: white;
            border-color: var(--accent-color);
            transform: scale(1.05);
        }
        .friendlink {
            background-color: #f1f8ff;
            padding: 60px 0;
        }
        footer {
            background-color: var(--secondary-color);
            color: white;
            padding: 60px 0 30px;
        }
        footer a {
            color: #ccc;
            text-decoration: none;
            transition: color 0.3s;
        }
        footer a:hover {
            color: var(--accent-color);
        }
        .social-icons a {
            display: inline-block;
            width: 40px;
            height: 40px;
            background: rgba(255,255,255,0.1);
            border-radius: 50%;
            text-align: center;
            line-height: 40px;
            margin: 0 8px;
            transition: background 0.3s;
        }
        .social-icons a:hover {
            background: var(--primary-color);
        }
        @media (max-width: 768px) {
            .hero-title { font-size: 2.5rem; }
            .hero-subtitle { font-size: 1.1rem; }
            .section-title { font-size: 1.8rem; }
        }
        .content-text {
            text-align: justify;
            font-size: 1.05rem;
            margin-bottom: 25px;
        }
        .keyword-highlight {
            color: var(--primary-color);
            font-weight: 600;
        }