        * { 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;
            overflow-x: hidden;
        }
        img { max-width: 100%; height: auto; display: block; }
        .site-header {
            background: linear-gradient(90deg, #1a2980 0%, #26d0ce 100%);
            color: white;
            padding: 1.2rem 5%;
            box-shadow: 0 4px 20px rgba(0, 0, 0, 0.15);
            position: sticky;
            top: 0;
            z-index: 1000;
        }
        .header-container {
            display: flex;
            justify-content: space-between;
            align-items: center;
            max-width: 1400px;
            margin: 0 auto;
        }
        .logo a {
            font-size: 2.2rem;
            font-weight: 800;
            color: white;
            text-decoration: none;
            letter-spacing: -0.5px;
            background: linear-gradient(45deg, #FFD700, #FFEC8B);
            -webkit-background-clip: text;
            -webkit-text-fill-color: transparent;
            background-clip: text;
        }
        .logo span { color: #26d0ce; -webkit-text-fill-color: #26d0ce; }
        .main-nav ul {
            display: flex;
            list-style: none;
            gap: 2.5rem;
        }
        .main-nav a {
            color: white;
            text-decoration: none;
            font-weight: 600;
            font-size: 1.1rem;
            transition: all 0.3s ease;
            padding: 0.5rem 0.8rem;
            border-radius: 5px;
        }
        .main-nav a:hover,
        .main-nav a.active {
            background-color: rgba(255, 255, 255, 0.2);
            transform: translateY(-2px);
        }
        .hamburger {
            display: none;
            font-size: 1.8rem;
            background: none;
            border: none;
            color: white;
            cursor: pointer;
            padding: 0.5rem;
        }
        .breadcrumb {
            background-color: #e9f2fa;
            padding: 1rem 5%;
            font-size: 0.95rem;
            border-bottom: 1px solid #d0e3f4;
        }
        .breadcrumb ol {
            display: flex;
            flex-wrap: wrap;
            list-style: none;
            max-width: 1400px;
            margin: 0 auto;
        }
        .breadcrumb li { margin-right: 0.7rem; }
        .breadcrumb li:not(:last-child)::after {
            content: '›';
            margin-left: 0.7rem;
            color: #1a2980;
        }
        .breadcrumb a { color: #1a2980; text-decoration: none; }
        .breadcrumb a:hover { text-decoration: underline; }
        .search-container {
            background-color: #1a2980;
            padding: 1.5rem 5%;
            text-align: center;
        }
        .search-box {
            max-width: 700px;
            margin: 0 auto;
            display: flex;
            border-radius: 50px;
            overflow: hidden;
            box-shadow: 0 6px 15px rgba(0, 0, 0, 0.2);
        }
        .search-box input {
            flex-grow: 1;
            padding: 1rem 1.5rem;
            border: none;
            font-size: 1.1rem;
            outline: none;
        }
        .search-box button {
            background: linear-gradient(45deg, #FF8A00, #FFC400);
            color: white;
            border: none;
            padding: 0 2rem;
            font-weight: 700;
            font-size: 1.1rem;
            cursor: pointer;
            transition: background 0.3s;
        }
        .search-box button:hover { background: linear-gradient(45deg, #e57c00, #e5b000); }
        .content-wrapper {
            max-width: 1400px;
            margin: 3rem auto;
            padding: 0 5%;
            display: grid;
            grid-template-columns: 1fr 350px;
            gap: 3rem;
        }
        @media (max-width: 1024px) {
            .content-wrapper { grid-template-columns: 1fr; }
        }
        main article { background-color: white; padding: 3rem; border-radius: 20px; box-shadow: 0 10px 40px rgba(0, 0, 0, 0.08); }
        h1 { color: #1a2980; font-size: 2.8rem; margin-bottom: 1.5rem; line-height: 1.2; border-left: 8px solid #26d0ce; padding-left: 1.5rem; }
        h2 { color: #1a2980; font-size: 2rem; margin: 3rem 0 1.5rem; padding-bottom: 0.7rem; border-bottom: 3px solid #e4edf5; }
        h3 { color: #333; font-size: 1.6rem; margin: 2.5rem 0 1rem; }
        p { margin-bottom: 1.8rem; font-size: 1.15rem; text-align: justify; }
        .lead { font-size: 1.4rem; color: #1a2980; font-weight: 600; background-color: #f0f8ff; padding: 1.5rem; border-radius: 10px; margin-bottom: 2.5rem; }
        .highlight { background-color: #fffacd; padding: 0.2rem 0.5rem; border-radius: 3px; font-weight: 600; }
        .emoji { font-size: 1.3em; margin-right: 0.3rem; }
        .strategy-box {
            background: linear-gradient(145deg, #f0f9ff, #e1f2ff);
            border-left: 6px solid #1a2980;
            padding: 2rem;
            margin: 2.5rem 0;
            border-radius: 0 15px 15px 0;
        }
        .data-point {
            display: inline-block;
            background: #1a2980;
            color: white;
            padding: 0.5rem 1.2rem;
            border-radius: 30px;
            font-weight: bold;
            margin: 0.5rem;
            box-shadow: 0 4px 8px rgba(26, 41, 128, 0.3);
        }
        .feature-img {
            width: 100%;
            border-radius: 15px;
            margin: 2.5rem auto;
            box-shadow: 0 15px 30px rgba(0, 0, 0, 0.15);
            border: 5px solid white;
        }
        aside {
            display: flex;
            flex-direction: column;
            gap: 2.5rem;
        }
        .sidebar-widget {
            background-color: white;
            padding: 2rem;
            border-radius: 15px;
            box-shadow: 0 8px 25px rgba(0, 0, 0, 0.07);
        }
        .sidebar-widget h3 { font-size: 1.5rem; margin-top: 0; color: #1a2980; }
        .rating-stars { color: #FFD700; font-size: 1.8rem; margin: 1rem 0; }
        .rating-form label { display: block; margin: 1rem 0 0.5rem; font-weight: 600; }
        .rating-form select,
        .rating-form textarea,
        .comment-form input,
        .comment-form textarea {
            width: 100%;
            padding: 0.9rem;
            margin-bottom: 1rem;
            border: 1px solid #ccc;
            border-radius: 8px;
            font-family: inherit;
            font-size: 1rem;
        }
        .rating-form button,
        .comment-form button {
            background: linear-gradient(45deg, #1a2980, #26d0ce);
            color: white;
            border: none;
            padding: 1rem 2rem;
            border-radius: 8px;
            font-weight: 700;
            cursor: pointer;
            width: 100%;
            font-size: 1.1rem;
            transition: transform 0.3s;
        }
        .rating-form button:hover,
        .comment-form button:hover { transform: translateY(-3px); }
        .web-links-container {
            background-color: #1a2980;
            padding: 3rem 5%;
            margin-top: 4rem;
        }
        .web-links {
            max-width: 1400px;
            margin: 0 auto;
            display: grid;
            grid-template-columns: repeat(auto-fill, minmax(250px, 1fr));
            gap: 1.5rem;
        }
        .web-link {
            background: rgba(255, 255, 255, 0.1);
            padding: 1.2rem;
            border-radius: 10px;
            transition: all 0.3s;
        }
        .web-link:hover {
            background: rgba(255, 255, 255, 0.2);
            transform: translateY(-5px);
        }
        .web-link a {
            color: white;
            text-decoration: none;
            font-weight: 600;
            display: block;
            font-size: 1.1rem;
        }
        .web-link a::before {
            content: '🔗';
            margin-right: 0.8rem;
        }
        .site-footer {
            background-color: #0d1530;
            color: #b0c4de;
            padding: 3rem 5% 2rem;
            text-align: center;
        }
        .footer-content {
            max-width: 1400px;
            margin: 0 auto;
            display: flex;
            flex-direction: column;
            align-items: center;
            gap: 2rem;
        }
        .copyright {
            border-top: 1px solid #2a3a6e;
            padding-top: 2rem;
            width: 100%;
            font-size: 0.95rem;
        }
        @media (max-width: 768px) {
            .hamburger { display: block; }
            .main-nav {
                position: fixed;
                top: 80px;
                right: -100%;
                background: #1a2980;
                width: 80%;
                height: calc(100vh - 80px);
                transition: right 0.5s ease;
                padding: 2rem;
                box-shadow: -5px 0 15px rgba(0,0,0,0.2);
            }
            .main-nav.active { right: 0; }
            .main-nav ul {
                flex-direction: column;
                gap: 1.5rem;
            }
            h1 { font-size: 2.2rem; }
            h2 { font-size: 1.8rem; }
            .content-wrapper { padding: 0 1rem; }
            main article { padding: 2rem 1.5rem; }
            .header-container, .breadcrumb ol, .search-box, .web-links, .footer-content {
                padding-left: 1rem;
                padding-right: 1rem;
            }
        }
