* {
            margin: 0;
            padding: 0;
            box-sizing: border-box;
        }
        html {
            scroll-behavior: smooth;
        }
        body {
            font-family: -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, Oxygen, Ubuntu, Cantarell, sans-serif;
            line-height: 1.8;
            color: #333;
            background-color: #f8f9fa;
            max-width: 100vw;
            overflow-x: hidden;
        }
        a {
            color: #1a73e8;
            text-decoration: none;
            transition: color 0.3s ease;
        }
        a:hover {
            color: #0d47a1;
            text-decoration: underline;
        }
        img {
            max-width: 100%;
            height: auto;
            display: block;
        }
        .container {
            width: 100%;
            max-width: 1200px;
            margin: 0 auto;
            padding: 0 20px;
        }
        .text-center { text-align: center; }
        .bold { font-weight: 700; }
        .highlight {
            background: linear-gradient(120deg, #e1f5fe 0%, #b3e5fc 100%);
            padding: 2px 6px;
            border-radius: 4px;
        }
        .emoji { font-size: 1.2em; }
        .site-header {
            background: linear-gradient(135deg, #0c2461, #1e3799);
            color: white;
            padding: 1rem 0;
            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;
        }
        .logo a.my-logo {
            font-family: 'Trebuchet MS', sans-serif;
            font-size: 2.2rem;
            font-weight: 900;
            color: #ffeb3b;
            text-decoration: none;
            text-shadow: 2px 2px 4px rgba(0,0,0,0.5);
            letter-spacing: -1px;
        }
        .logo a.my-logo:hover {
            color: #fff;
            text-decoration: none;
        }
        .logo span {
            color: #4fc3f7;
        }
        .nav-desktop {
            display: flex;
            gap: 1.8rem;
        }
        .nav-desktop a {
            color: #e3f2fd;
            font-weight: 600;
            padding: 0.5rem 0;
            border-bottom: 2px solid transparent;
        }
        .nav-desktop a:hover,
        .nav-desktop a.active {
            color: #ffeb3b;
            border-bottom-color: #ffeb3b;
            text-decoration: none;
        }
        .hamburger {
            display: none;
            flex-direction: column;
            cursor: pointer;
            gap: 4px;
            padding: 8px;
        }
        .hamburger span {
            width: 25px;
            height: 3px;
            background-color: white;
            border-radius: 2px;
            transition: 0.3s;
        }
        .mobile-nav {
            display: none;
            flex-direction: column;
            background: #1a237e;
            position: absolute;
            top: 100%;
            left: 0;
            right: 0;
            padding: 1rem;
            box-shadow: 0 8px 16px rgba(0,0,0,0.2);
            z-index: 999;
        }
        .mobile-nav.active {
            display: flex;
        }
        .mobile-nav a {
            color: #e3f2fd;
            padding: 0.8rem 1rem;
            border-bottom: 1px solid rgba(255,255,255,0.1);
        }
        .mobile-nav a:hover {
            background: rgba(255,255,255,0.1);
            color: #ffeb3b;
        }
        .breadcrumb {
            background: #e8eaf6;
            padding: 0.8rem 20px;
            font-size: 0.9rem;
        }
        .breadcrumb a {
            color: #5c6bc0;
        }
        .breadcrumb a:after {
            content: " › ";
            margin: 0 8px;
            color: #9fa8da;
        }
        .breadcrumb a:last-child:after {
            content: "";
        }
        .search-section {
            background: #fff;
            padding: 2rem 0;
            border-bottom: 1px solid #e0e0e0;
        }
        .search-form {
            max-width: 600px;
            margin: 0 auto;
            display: flex;
            border-radius: 50px;
            overflow: hidden;
            box-shadow: 0 4px 15px rgba(0,0,0,0.08);
        }
        .search-input {
            flex-grow: 1;
            padding: 1rem 1.5rem;
            border: none;
            font-size: 1rem;
            outline: none;
        }
        .search-btn {
            background: linear-gradient(to right, #2196f3, #0d47a1);
            color: white;
            border: none;
            padding: 0 1.8rem;
            cursor: pointer;
            font-weight: 600;
            transition: background 0.3s;
        }
        .search-btn:hover {
            background: linear-gradient(to right, #0d47a1, #1565c0);
        }
        main {
            background: white;
            padding: 3rem 0;
            min-height: 80vh;
        }
        .article-header {
            margin-bottom: 3rem;
            border-bottom: 3px solid #e3f2fd;
            padding-bottom: 2rem;
        }
        h1 {
            font-size: 3rem;
            color: #0d47a1;
            line-height: 1.2;
            margin-bottom: 1rem;
        }
        .article-meta {
            color: #666;
            font-size: 0.95rem;
            margin-bottom: 1.5rem;
        }
        .last-updated {
            color: #d32f2f;
            font-weight: bold;
        }
        .content-area {
            display: grid;
            grid-template-columns: 1fr 300px;
            gap: 3rem;
        }
        @media (max-width: 992px) {
            .content-area {
                grid-template-columns: 1fr;
            }
        }
        article {
            font-size: 1.1rem;
        }
        h2 {
            color: #1565c0;
            font-size: 2.2rem;
            margin: 2.5rem 0 1.2rem;
            padding-bottom: 0.5rem;
            border-bottom: 2px solid #e1f5fe;
        }
        h3 {
            color: #1976d2;
            font-size: 1.8rem;
            margin: 2rem 0 1rem;
        }
        h4 {
            color: #2196f3;
            font-size: 1.5rem;
            margin: 1.5rem 0 0.8rem;
        }
        p {
            margin-bottom: 1.5rem;
            text-align: justify;
        }
        .lead {
            font-size: 1.3rem;
            color: #444;
            font-weight: 500;
            line-height: 1.7;
            background: #f1f8ff;
            padding: 1.5rem;
            border-left: 5px solid #2196f3;
            border-radius: 0 8px 8px 0;
            margin-bottom: 2.5rem;
        }
        .feature-img {
            margin: 2.5rem auto;
            border-radius: 12px;
            overflow: hidden;
            box-shadow: 0 10px 30px rgba(0,0,0,0.15);
            max-width: 800px;
        }
        .feature-img figcaption {
            text-align: center;
            font-style: italic;
            color: #666;
            padding: 0.8rem;
            background: #f9f9f9;
        }
        .insider-tip {
            background: #e8f5e9;
            border-left: 5px solid #4caf50;
            padding: 1.5rem;
            margin: 2rem 0;
            border-radius: 0 8px 8px 0;
        }
        .insider-tip h4 {
            color: #2e7d32;
            margin-top: 0;
        }
        .link-list {
            background: #f5f5f5;
            padding: 1.5rem;
            border-radius: 8px;
            margin: 2rem 0;
        }
        .link-list ul {
            list-style: none;
            display: grid;
            grid-template-columns: repeat(auto-fill, minmax(250px, 1fr));
            gap: 0.8rem;
        }
        .link-list li:before {
            content: "♠";
            margin-right: 10px;
            color: #2196f3;
        }
        aside {
            background: #f8f9fa;
            padding: 1.5rem;
            border-radius: 12px;
            border: 1px solid #e0e0e0;
            align-self: start;
            position: sticky;
            top: 120px;
        }
        .widget {
            margin-bottom: 2rem;
        }
        .widget-title {
            color: #0d47a1;
            font-size: 1.3rem;
            padding-bottom: 0.5rem;
            border-bottom: 2px solid #bbdefb;
            margin-bottom: 1rem;
        }
        .rating-widget form,
        .comment-widget form {
            display: flex;
            flex-direction: column;
            gap: 1rem;
        }
        .stars {
            display: flex;
            gap: 5px;
            font-size: 1.8rem;
            color: #ffc107;
            cursor: pointer;
            margin-bottom: 0.5rem;
        }
        .star:hover {
            color: #ff9800;
        }
        .form-group label {
            display: block;
            margin-bottom: 0.5rem;
            font-weight: 600;
            color: #555;
        }
        .form-group input,
        .form-group textarea,
        .form-group select {
            width: 100%;
            padding: 0.8rem;
            border: 1px solid #ccc;
            border-radius: 6px;
            font-family: inherit;
            font-size: 1rem;
            transition: border 0.3s;
        }
        .form-group input:focus,
        .form-group textarea:focus {
            outline: none;
            border-color: #2196f3;
            box-shadow: 0 0 0 3px rgba(33, 150, 243, 0.1);
        }
        .submit-btn {
            background: linear-gradient(to right, #4caf50, #2e7d32);
            color: white;
            border: none;
            padding: 1rem;
            border-radius: 6px;
            font-weight: bold;
            cursor: pointer;
            transition: background 0.3s;
        }
        .submit-btn:hover {
            background: linear-gradient(to right, #388e3c, #1b5e20);
        }
        .site-footer {
            background: #263238;
            color: #cfd8dc;
            padding: 3rem 0 1.5rem;
        }
        .footer-grid {
            display: grid;
            grid-template-columns: repeat(auto-fit, minmax(250px, 1fr));
            gap: 2rem;
            margin-bottom: 2rem;
        }
        .footer-logo {
            font-size: 2rem;
            font-weight: 900;
            color: #bbdefb;
            margin-bottom: 1rem;
        }
        .footer-links h3 {
            color: #90caf9;
            font-size: 1.3rem;
            margin-bottom: 1rem;
        }
        .footer-links ul {
            list-style: none;
        }
        .footer-links li {
            margin-bottom: 0.7rem;
        }
        .footer-links a {
            color: #b0bec5;
        }
        .footer-links a:hover {
            color: #4fc3f7;
        }
        friend-link {
            display: block;
            background: #37474f;
            padding: 1.5rem;
            border-radius: 8px;
            margin: 1.5rem 0;
        }
        friend-link h3 {
            color: #ffcc80;
            margin-bottom: 1rem;
        }
        friend-link a {
            color: #80deea;
            font-weight: 600;
        }
        .copyright {
            text-align: center;
            padding-top: 1.5rem;
            border-top: 1px solid #455a64;
            font-size: 0.9rem;
            color: #90a4ae;
        }
        @media (max-width: 768px) {
            .hamburger { display: flex; }
            .nav-desktop { display: none; }
            h1 { font-size: 2.2rem; }
            h2 { font-size: 1.8rem; }
            h3 { font-size: 1.5rem; }
            .content-area {
                grid-template-columns: 1fr;
                gap: 2rem;
            }
            aside {
                position: static;
            }
        }