* { margin: 0; padding: 0; box-sizing: border-box; }
        html { scroll-behavior: smooth; }
        body {
            font-family: 'Segoe UI', system-ui, -apple-system, sans-serif;
            line-height: 1.7;
            color: #333;
            background: linear-gradient(135deg, #f5f7fa 0%, #f0f4f8 100%);
            min-height: 100vh;
            display: flex;
            flex-direction: column;
        }
        .site-header {
            background: linear-gradient(90deg, #1a237e 0%, #283593 50%, #3949ab 100%);
            color: white;
            padding: 1rem 2rem;
            box-shadow: 0 4px 12px rgba(0, 0, 0, 0.1);
            position: sticky;
            top: 0;
            z-index: 1000;
        }
        .header-container {
            max-width: 1400px;
            margin: 0 auto;
            display: flex;
            justify-content: space-between;
            align-items: center;
            flex-wrap: wrap;
        }
        .my-logo {
            font-size: 2.2rem;
            font-weight: 800;
            color: #ffd700;
            text-decoration: none;
            text-shadow: 2px 2px 4px rgba(0, 0, 0, 0.3);
            font-family: 'Trebuchet MS', cursive;
        }
        .my-logo:hover { color: #fff; transform: scale(1.05); transition: all 0.3s ease; }
        .breadcrumb {
            background: #e8eaf6;
            padding: 0.8rem 2rem;
            font-size: 0.9rem;
            color: #5c6bc0;
        }
        .breadcrumb a { color: #3949ab; text-decoration: none; }
        .breadcrumb a:hover { text-decoration: underline; }
        .nav-desktop { display: flex; gap: 2rem; }
        @media (max-width: 768px) { .nav-desktop { display: none; } }
        .nav-desktop a {
            color: #e3f2fd;
            text-decoration: none;
            font-weight: 600;
            padding: 0.5rem 0;
            border-bottom: 2px solid transparent;
        }
        .nav-desktop a:hover { border-bottom-color: #ffd700; color: #ffd700; }
        .hamburger {
            display: none;
            background: none;
            border: none;
            color: white;
            font-size: 1.8rem;
            cursor: pointer;
        }
        @media (max-width: 768px) { .hamburger { display: block; } }
        .nav-mobile {
            display: none;
            flex-direction: column;
            background: #283593;
            width: 100%;
            padding: 1rem;
            border-top: 1px solid #3949ab;
        }
        .nav-mobile.active { display: flex; }
        .nav-mobile a {
            color: #e3f2fd;
            padding: 0.8rem;
            text-decoration: none;
            border-bottom: 1px solid #3949ab;
        }
        .nav-mobile a:hover { background: #3949ab; }
        .main-container {
            max-width: 1400px;
            margin: 2rem auto;
            padding: 0 2rem;
            display: grid;
            grid-template-columns: 1fr 300px;
            gap: 3rem;
        }
        @media (max-width: 1024px) {
            .main-container { grid-template-columns: 1fr; }
        }
        article {
            background: white;
            border-radius: 16px;
            padding: 3rem;
            box-shadow: 0 10px 30px rgba(0, 0, 0, 0.08);
        }
        h1 {
            color: #1a237e;
            font-size: 2.8rem;
            margin-bottom: 1.5rem;
            line-height: 1.2;
            border-left: 6px solid #ffd700;
            padding-left: 1rem;
        }
        @media (max-width: 768px) { h1 { font-size: 2.2rem; } }
        h2 { color: #283593; margin: 2.5rem 0 1.2rem; padding-bottom: 0.5rem; border-bottom: 2px solid #e8eaf6; }
        h3 { color: #3949ab; margin: 2rem 0 1rem; }
        h4 { color: #5c6bc0; margin: 1.5rem 0 0.8rem; }
        p { margin-bottom: 1.5rem; text-align: justify; }
        strong { color: #1a237e; }
        em { color: #666; }
        .intro {
            font-size: 1.2rem;
            color: #555;
            background: #f0f4ff;
            padding: 1.5rem;
            border-radius: 10px;
            margin-bottom: 2.5rem;
            border-left: 4px solid #5c6bc0;
        }
        .highlight-box {
            background: linear-gradient(to right, #e3f2fd, #f3e5f5);
            padding: 1.5rem;
            border-radius: 10px;
            margin: 2rem 0;
            border-left: 5px solid #7b1fa2;
        }
        .link-list {
            display: flex;
            flex-wrap: wrap;
            gap: 1rem;
            margin: 2rem 0;
        }
        .link-list a {
            background: #5c6bc0;
            color: white;
            padding: 0.6rem 1.2rem;
            border-radius: 50px;
            text-decoration: none;
            font-size: 0.9rem;
            transition: all 0.3s;
        }
        .link-list a:hover {
            background: #3949ab;
            transform: translateY(-3px);
            box-shadow: 0 5px 15px rgba(57, 73, 171, 0.3);
        }
        .image-container {
            margin: 2.5rem 0;
            text-align: center;
        }
        .feature-img {
            max-width: 100%;
            height: auto;
            border-radius: 12px;
            box-shadow: 0 8px 20px rgba(0, 0, 0, 0.15);
            transition: transform 0.5s ease;
        }
        .feature-img:hover { transform: scale(1.02); }
        .caption { font-size: 0.9rem; color: #666; margin-top: 0.5rem; }
        aside {
            background: white;
            border-radius: 16px;
            padding: 2rem;
            box-shadow: 0 8px 20px rgba(0, 0, 0, 0.06);
            align-self: start;
            position: sticky;
            top: 120px;
        }
        .widget { margin-bottom: 2.5rem; }
        .widget-title {
            color: #1a237e;
            font-size: 1.3rem;
            margin-bottom: 1rem;
            padding-bottom: 0.5rem;
            border-bottom: 2px solid #ffd700;
        }
        .search-box { display: flex; margin-bottom: 1rem; }
        .search-box input {
            flex: 1;
            padding: 0.8rem;
            border: 2px solid #c5cae9;
            border-radius: 8px 0 0 8px;
            font-size: 1rem;
        }
        .search-box button {
            background: #5c6bc0;
            color: white;
            border: none;
            padding: 0 1.5rem;
            border-radius: 0 8px 8px 0;
            cursor: pointer;
            font-size: 1.1rem;
        }
        .search-box button:hover { background: #3949ab; }
        .rating-stars { color: #ffc107; font-size: 1.5rem; margin: 1rem 0; }
        .rating-stars .far { color: #ddd; }
        textarea, input[type="text"], input[type="email"] {
            width: 100%;
            padding: 0.8rem;
            margin-bottom: 1rem;
            border: 2px solid #e0e0e0;
            border-radius: 8px;
            font-family: inherit;
        }
        button.submit-btn {
            background: linear-gradient(90deg, #1a237e, #3949ab);
            color: white;
            border: none;
            padding: 0.9rem 2rem;
            border-radius: 8px;
            font-weight: 600;
            cursor: pointer;
            width: 100%;
            transition: all 0.3s;
        }
        button.submit-btn:hover {
            background: linear-gradient(90deg, #3949ab, #5c6bc0);
            box-shadow: 0 5px 15px rgba(57, 73, 171, 0.4);
        }
        footer {
            background: #1a237e;
            color: #e3f2fd;
            padding: 3rem 2rem 1.5rem;
            margin-top: auto;
        }
        .footer-container {
            max-width: 1400px;
            margin: 0 auto;
            display: grid;
            grid-template-columns: repeat(auto-fit, minmax(250px, 1fr));
            gap: 2rem;
        }
        .footer-links a {
            color: #bbdefb;
            display: block;
            margin-bottom: 0.8rem;
            text-decoration: none;
        }
        .footer-links a:hover { color: #ffd700; }
        friend-link {
            display: inline-block;
            background: rgba(255, 255, 255, 0.1);
            color: #ffd700;
            padding: 0.5rem 1rem;
            margin: 0.5rem;
            border-radius: 6px;
            font-weight: bold;
        }
        .copyright {
            text-align: center;
            margin-top: 2rem;
            padding-top: 1.5rem;
            border-top: 1px solid #3949ab;
            font-size: 0.9rem;
            color: #90a4ae;
        }
        .last-updated {
            font-size: 0.9rem;
            color: #78909c;
            text-align: right;
            margin-bottom: 1rem;
        }
        .emoji { font-size: 1.2em; margin-right: 0.3rem; }
        .divider {
            height: 1px;
            background: linear-gradient(90deg, transparent, #c5cae9, transparent);
            margin: 2rem 0;
        }