* { margin: 0; padding: 0; box-sizing: border-box; }
        html { scroll-behavior: smooth; }
        body {
            font-family: 'Segoe UI', Tahoma, Geneva, Verdana, sans-serif;
            line-height: 1.8;
            color: #333;
            background-color: #f8f9fa;
            max-width: 1600px;
            margin: 0 auto;
            padding: 0 15px;
        }
        img { max-width: 100%; height: auto; display: block; }
        h1, h2, h3, h4 { font-family: Georgia, 'Times New Roman', Times, serif; color: #0d2b50; margin-bottom: 1rem; line-height: 1.3; }
        h1 { font-size: clamp(2.5rem, 5vw, 3.8rem); margin-top: 1.5rem; border-bottom: 4px solid #d32f2f; padding-bottom: 0.5rem; }
        h2 { font-size: clamp(1.8rem, 4vw, 2.5rem); margin-top: 2.5rem; padding-left: 10px; border-left: 5px solid #1e88e5; }
        h3 { font-size: clamp(1.5rem, 3vw, 2rem); margin-top: 2rem; color: #1565c0; }
        h4 { font-size: 1.3rem; margin-top: 1.5rem; color: #555; }
        p { margin-bottom: 1.5rem; font-size: 1.1rem; }
        strong { color: #0d2b50; }
        em { font-style: italic; color: #666; }
        .lead { font-size: 1.3rem; color: #444; font-weight: 300; }
        .container { width: 100%; padding-right: 15px; padding-left: 15px; margin-right: auto; margin-left: auto; }
        .main-grid {
            display: grid;
            grid-template-columns: 1fr;
            gap: 2.5rem;
        }
        @media (min-width: 992px) {
            .main-grid { grid-template-columns: 3fr 1fr; }
        }
        .site-header {
            background: linear-gradient(135deg, #0d2b50 0%, #1a3d6e 100%);
            color: white;
            padding: 1.5rem 0;
            margin-bottom: 2rem;
            border-radius: 0 0 12px 12px;
            box-shadow: 0 4px 20px rgba(0, 0, 0, 0.15);
        }
        .header-container {
            display: flex;
            flex-wrap: wrap;
            justify-content: space-between;
            align-items: center;
        }
        .my-logo {
            font-family: 'Impact', 'Arial Black', sans-serif;
            font-size: 2.8rem;
            color: #fff;
            text-decoration: none;
            display: flex;
            align-items: center;
            gap: 10px;
            transition: transform 0.3s ease;
        }
        .my-logo:hover {
            transform: scale(1.03);
            color: #ffcc00;
        }
        .my-logo i { color: #d32f2f; }
        .main-nav { flex-grow: 1; }
        .nav-list {
            display: flex;
            flex-wrap: wrap;
            list-style: none;
            justify-content: flex-end;
            gap: 1.2rem;
        }
        .nav-list a {
            color: #e3f2fd;
            text-decoration: none;
            font-weight: 600;
            padding: 0.5rem 1rem;
            border-radius: 6px;
            transition: all 0.3s ease;
            font-size: 1.1rem;
        }
        .nav-list a:hover,
        .nav-list a:focus {
            background-color: #1e88e5;
            color: white;
            transform: translateY(-2px);
        }
        .hamburger {
            display: none;
            background: none;
            border: none;
            color: white;
            font-size: 1.8rem;
            cursor: pointer;
            padding: 0.5rem;
        }
        @media (max-width: 768px) {
            .hamburger { display: block; }
            .nav-list {
                flex-direction: column;
                position: absolute;
                top: 100%;
                left: 0;
                right: 0;
                background-color: #0d2b50;
                padding: 1.5rem;
                border-radius: 0 0 12px 12px;
                box-shadow: 0 10px 20px rgba(0,0,0,0.2);
                display: none;
                z-index: 1000;
            }
            .nav-list.active { display: flex; }
            .header-container { position: relative; }
        }
        .breadcrumb {
            padding: 1rem 0;
            font-size: 0.95rem;
            color: #666;
            margin-bottom: 1.5rem;
            border-bottom: 1px solid #eee;
        }
        .breadcrumb a { color: #1e88e5; text-decoration: none; }
        .breadcrumb a:hover { text-decoration: underline; }
        .breadcrumb span { color: #999; }
        .search-container {
            background: #fff;
            padding: 1.5rem;
            border-radius: 10px;
            box-shadow: 0 5px 15px rgba(0,0,0,0.05);
            margin-bottom: 2.5rem;
        }
        .search-form {
            display: flex;
            max-width: 600px;
            margin: 0 auto;
        }
        .search-input {
            flex-grow: 1;
            padding: 15px 20px;
            border: 2px solid #1e88e5;
            border-radius: 8px 0 0 8px;
            font-size: 1.1rem;
            outline: none;
            transition: border-color 0.3s;
        }
        .search-input:focus { border-color: #0d2b50; }
        .search-btn {
            background: #d32f2f;
            color: white;
            border: none;
            padding: 0 25px;
            border-radius: 0 8px 8px 0;
            cursor: pointer;
            font-size: 1.1rem;
            font-weight: 600;
            transition: background 0.3s;
        }
        .search-btn:hover { background: #b71c1c; }
        .main-content { background: white; padding: 2.5rem; border-radius: 12px; box-shadow: 0 6px 25px rgba(0,0,0,0.07); }
        .content-section { margin-bottom: 3rem; }
        .highlight-box {
            background: linear-gradient(to right, #e3f2fd, #fce4ec);
            border-left: 6px solid #1e88e5;
            padding: 1.8rem;
            margin: 2rem 0;
            border-radius: 0 10px 10px 0;
        }
        .img-container {
            margin: 2.5rem auto;
            text-align: center;
            max-width: 900px;
        }
        .featured-img {
            border-radius: 12px;
            box-shadow: 0 10px 25px rgba(0,0,0,0.1);
            transition: transform 0.5s ease, box-shadow 0.5s ease;
        }
        .featured-img:hover {
            transform: scale(1.01);
            box-shadow: 0 15px 35px rgba(0,0,0,0.15);
        }
        .img-caption {
            font-style: italic;
            color: #666;
            margin-top: 0.8rem;
            font-size: 0.95rem;
        }
        .internal-link {
            color: #1a73e8;
            text-decoration: none;
            border-bottom: 1px dashed #1a73e8;
            font-weight: 500;
            transition: all 0.2s;
        }
        .internal-link:hover {
            color: #d32f2f;
            border-bottom-style: solid;
            text-decoration: none;
        }
        .sidebar { padding: 1.5rem; }
        .sidebar-widget {
            background: white;
            padding: 1.8rem;
            border-radius: 10px;
            box-shadow: 0 5px 15px rgba(0,0,0,0.05);
            margin-bottom: 2rem;
        }
        .widget-title {
            font-size: 1.4rem;
            color: #0d2b50;
            border-bottom: 3px solid #ffcc00;
            padding-bottom: 0.5rem;
            margin-bottom: 1.2rem;
        }
        .side-nav { list-style: none; }
        .side-nav li { margin-bottom: 0.8rem; }
        .side-nav a {
            display: block;
            padding: 0.8rem 1rem;
            background: #f1f8ff;
            color: #0d2b50;
            text-decoration: none;
            border-radius: 6px;
            transition: all 0.3s;
            border-left: 4px solid transparent;
        }
        .side-nav a:hover {
            background: #1e88e5;
            color: white;
            border-left-color: #ffcc00;
            transform: translateX(5px);
        }
        .interactive-section { background: #f8f9fa; padding: 2rem; border-radius: 10px; margin-top: 3rem; border: 1px solid #e9ecef; }
        .form-group { margin-bottom: 1.5rem; }
        .form-label { display: block; margin-bottom: 0.5rem; font-weight: 600; color: #444; }
        .form-input, .form-textarea {
            width: 100%;
            padding: 12px 15px;
            border: 1px solid #ced4da;
            border-radius: 6px;
            font-size: 1rem;
            transition: border-color 0.3s, box-shadow 0.3s;
        }
        .form-input:focus, .form-textarea:focus {
            outline: none;
            border-color: #1e88e5;
            box-shadow: 0 0 0 3px rgba(30, 136, 229, 0.2);
        }
        .form-textarea { min-height: 150px; resize: vertical; }
        .rating-stars { display: flex; gap: 5px; margin: 10px 0 20px; }
        .rating-stars input { display: none; }
        .rating-stars label {
            font-size: 2rem;
            color: #ddd;
            cursor: pointer;
            transition: color 0.2s;
        }
        .rating-stars label:hover,
        .rating-stars label:hover ~ label,
        .rating-stars input:checked ~ label { color: #ffcc00; }
        .submit-btn {
            background: linear-gradient(to right, #0d2b50, #1a3d6e);
            color: white;
            border: none;
            padding: 14px 28px;
            font-size: 1.1rem;
            font-weight: 600;
            border-radius: 8px;
            cursor: pointer;
            transition: all 0.3s;
        }
        .submit-btn:hover {
            background: linear-gradient(to right, #1a3d6e, #0d2b50);
            transform: translateY(-3px);
            box-shadow: 0 7px 14px rgba(13, 43, 80, 0.2);
        }
        .site-footer {
            background: #0d2b50;
            color: #e3f2fd;
            padding: 3rem 0 1.5rem;
            margin-top: 4rem;
            border-radius: 12px 12px 0 0;
        }
        .footer-grid {
            display: grid;
            grid-template-columns: repeat(auto-fit, minmax(250px, 1fr));
            gap: 2rem;
            margin-bottom: 2.5rem;
        }
        .footer-title { color: #ffcc00; font-size: 1.4rem; margin-bottom: 1.2rem; }
        friend-link {
            display: block;
            font-size: 1.1rem;
            margin-bottom: 0.8rem;
        }
        friend-link a {
            color: #bbdefb;
            text-decoration: none;
            transition: color 0.3s;
            padding: 4px 0;
            display: inline-block;
        }
        friend-link a:hover { color: #ffcc00; text-decoration: underline; }
        .copyright {
            text-align: center;
            padding-top: 1.5rem;
            border-top: 1px solid #1a3d6e;
            font-size: 0.95rem;
            color: #90a4ae;
        }
        .text-center { text-align: center; }
        .emoji { font-size: 1.3em; vertical-align: middle; }
        .divider { height: 2px; background: linear-gradient(to right, transparent, #1e88e5, transparent); margin: 2.5rem 0; }