* { margin: 0; padding: 0; box-sizing: border-box; }
        html { scroll-behavior: smooth; }
        body {
            font-family: 'Segoe UI', Tahoma, Geneva, Verdana, sans-serif;
            line-height: 1.7;
            color: #333;
            background: linear-gradient(135deg, #f5f7fa 0%, #e4edf5 100%);
            min-height: 100vh;
            display: flex;
            flex-direction: column;
        }
        a { color: #2c5aa0; text-decoration: none; transition: color 0.3s; }
        a:hover { color: #e63946; }
        img { max-width: 100%; height: auto; display: block; }
        ul, ol { padding-left: 1.5em; margin: 1em 0; }
        li { margin-bottom: 0.5em; }
        .site-header {
            background: linear-gradient(90deg, #1e3c72, #2a5298);
            color: white;
            padding: 1rem 5%;
            box-shadow: 0 4px 12px rgba(0, 0, 0, 0.1);
            position: sticky;
            top: 0;
            z-index: 1000;
        }
        .header-container {
            display: flex;
            justify-content: space-between;
            align-items: center;
            flex-wrap: wrap;
        }
        .my-logo {
            font-size: 2.2rem;
            font-weight: 800;
            color: white;
            text-transform: uppercase;
            letter-spacing: 2px;
            background: linear-gradient(45deg, #ffd166, #e63946);
            -webkit-background-clip: text;
            -webkit-text-fill-color: transparent;
            background-clip: text;
        }
        .my-logo:hover { transform: scale(1.03); }
        .main-nav ul {
            display: flex;
            list-style: none;
            gap: 2rem;
            flex-wrap: wrap;
        }
        .main-nav a {
            color: #e0f7fa;
            font-weight: 600;
            padding: 0.5rem;
            border-radius: 4px;
        }
        .main-nav a:hover {
            background-color: rgba(255, 255, 255, 0.15);
            color: #ffd166;
        }
        .hamburger {
            display: none;
            font-size: 1.8rem;
            background: none;
            border: none;
            color: white;
            cursor: pointer;
        }
        .breadcrumb {
            background-color: rgba(255, 255, 255, 0.1);
            padding: 0.8rem 5%;
            font-size: 0.9rem;
            margin-top: 0.5rem;
        }
        .breadcrumb a { color: #a8dadc; }
        .breadcrumb a:hover { color: #ffd166; }
        .search-box {
            background: #fff;
            padding: 2rem;
            margin: 2rem auto;
            border-radius: 12px;
            box-shadow: 0 6px 20px rgba(0, 0, 0, 0.08);
            max-width: 800px;
        }
        .search-form {
            display: flex;
            gap: 10px;
        }
        .search-input {
            flex-grow: 1;
            padding: 15px;
            border: 2px solid #2a5298;
            border-radius: 8px;
            font-size: 1.1rem;
        }
        .search-btn {
            background: linear-gradient(45deg, #2a5298, #1e3c72);
            color: white;
            border: none;
            padding: 0 25px;
            border-radius: 8px;
            cursor: pointer;
            font-weight: bold;
            transition: transform 0.2s;
        }
        .search-btn:hover { transform: translateY(-2px); }
        .main-content {
            flex: 1;
            width: 100%;
            max-width: 1200px;
            margin: 2rem auto;
            padding: 0 5%;
        }
        article {
            background: white;
            border-radius: 16px;
            padding: 3rem;
            box-shadow: 0 10px 30px rgba(0, 0, 0, 0.05);
            margin-bottom: 2rem;
        }
        h1 {
            font-size: 3.2rem;
            color: #1e3c72;
            margin-bottom: 1.5rem;
            line-height: 1.2;
            border-bottom: 4px solid #ffd166;
            padding-bottom: 0.5rem;
        }
        h2 {
            font-size: 2.2rem;
            color: #2a5298;
            margin: 2.5rem 0 1rem;
            padding-top: 1rem;
            border-top: 2px dashed #a8dadc;
        }
        h3 {
            font-size: 1.8rem;
            color: #457b9d;
            margin: 1.8rem 0 0.8rem;
        }
        h4 {
            font-size: 1.4rem;
            color: #1d3557;
            margin: 1.5rem 0 0.7rem;
        }
        p {
            margin-bottom: 1.5rem;
            text-align: justify;
            font-size: 1.1rem;
        }
        .intro {
            font-size: 1.3rem;
            font-weight: 500;
            color: #555;
            background-color: #f1faee;
            padding: 1.5rem;
            border-left: 5px solid #e63946;
            border-radius: 0 8px 8px 0;
            margin-bottom: 2.5rem;
        }
        .highlight {
            background-color: #fffbdd;
            border-left: 4px solid #ffd166;
            padding: 1.2rem;
            margin: 1.5rem 0;
            border-radius: 0 6px 6px 0;
        }
        .image-container {
            margin: 2.5rem auto;
            text-align: center;
            max-width: 900px;
        }
        .article-img {
            border-radius: 12px;
            box-shadow: 0 8px 25px rgba(0, 0, 0, 0.15);
            border: 1px solid #ddd;
            transition: transform 0.4s;
        }
        .article-img:hover { transform: scale(1.02); }
        .caption {
            font-style: italic;
            color: #666;
            margin-top: 0.8rem;
            font-size: 0.95rem;
        }
        .quote {
            font-size: 1.4rem;
            color: #1e3c72;
            text-align: center;
            padding: 2rem;
            font-style: italic;
            background: linear-gradient(90deg, rgba(168, 218, 220, 0.2), rgba(255, 209, 102, 0.2));
            border-radius: 12px;
            margin: 2.5rem 0;
            border-left: 6px solid #457b9d;
        }
        .stats-grid {
            display: grid;
            grid-template-columns: repeat(auto-fit, minmax(250px, 1fr));
            gap: 1.5rem;
            margin: 2rem 0;
        }
        .stat-card {
            background: #f8f9fa;
            padding: 1.5rem;
            border-radius: 10px;
            text-align: center;
            border-top: 5px solid #2a5298;
            transition: box-shadow 0.3s;
        }
        .stat-card:hover { box-shadow: 0 6px 15px rgba(0,0,0,0.1); }
        .stat-number {
            font-size: 2.5rem;
            font-weight: 800;
            color: #e63946;
            display: block;
        }
        .update-time {
            text-align: right;
            font-size: 0.9rem;
            color: #777;
            border-top: 1px solid #eee;
            padding-top: 1rem;
            margin-top: 3rem;
        }
        .interactive-section {
            background: #f1faee;
            padding: 2.5rem;
            border-radius: 12px;
            margin: 3rem 0;
            border: 2px solid #a8dadc;
        }
        .form-group {
            margin-bottom: 1.5rem;
        }
        label {
            display: block;
            margin-bottom: 0.5rem;
            font-weight: 600;
            color: #1d3557;
        }
        textarea, input[type="text"], input[type="email"], select {
            width: 100%;
            padding: 12px;
            border: 2px solid #ccc;
            border-radius: 8px;
            font-size: 1rem;
            transition: border-color 0.3s;
        }
        textarea:focus, input:focus, select:focus {
            border-color: #2a5298;
            outline: none;
        }
        .rating-stars {
            display: flex;
            gap: 10px;
            font-size: 2rem;
            color: #ddd;
            cursor: pointer;
            margin: 10px 0;
        }
        .rating-stars .star:hover,
        .rating-stars .star.active { color: #ffd166; }
        .submit-btn {
            background: linear-gradient(45deg, #e63946, #d00000);
            color: white;
            padding: 15px 35px;
            border: none;
            border-radius: 8px;
            font-size: 1.1rem;
            font-weight: bold;
            cursor: pointer;
            transition: all 0.3s;
        }
        .submit-btn:hover {
            transform: translateY(-3px);
            box-shadow: 0 7px 14px rgba(230, 57, 70, 0.3);
        }
        .site-footer {
            background: #1d3557;
            color: #f1faee;
            padding: 3rem 5% 2rem;
            margin-top: 4rem;
        }
        .footer-container {
            display: grid;
            grid-template-columns: repeat(auto-fit, minmax(250px, 1fr));
            gap: 2rem;
            margin-bottom: 2rem;
        }
        .footer-links h4 {
            color: #ffd166;
            margin-bottom: 1.2rem;
            font-size: 1.3rem;
        }
        .footer-links ul {
            list-style: none;
            padding-left: 0;
        }
        .footer-links li { margin-bottom: 0.8rem; }
        .footer-links a { color: #a8dadc; }
        .footer-links a:hover { color: #ffd166; }
        friend-link {
            display: inline-block;
            background: #2a5298;
            color: white;
            padding: 8px 15px;
            margin: 5px;
            border-radius: 20px;
            font-size: 0.9rem;
        }
        friend-link:hover {
            background: #e63946;
        }
        .copyright {
            text-align: center;
            padding-top: 2rem;
            border-top: 1px solid #457b9d;
            font-size: 0.9rem;
            color: #ccc;
        }
        @media (max-width: 768px) {
            .header-container { flex-direction: column; align-items: flex-start; }
            .main-nav { width: 100%; margin-top: 1rem; display: none; }
            .main-nav.active { display: block; }
            .main-nav ul { flex-direction: column; gap: 0.5rem; }
            .hamburger { display: block; }
            h1 { font-size: 2.5rem; }
            h2 { font-size: 1.9rem; }
            article { padding: 1.5rem; }
            .search-form { flex-direction: column; }
            .quote { font-size: 1.2rem; padding: 1.5rem; }
        }