* {
            margin: 0;
            padding: 0;
            box-sizing: border-box;
            font-family: 'Segoe UI', Arial, sans-serif;
        }
        :root {
            --primary: #1a73e8;
            --secondary: #34a853;
            --accent: #ff6d00;
            --dark: #202124;
            --light: #f8f9fa;
            --gray: #5f6368;
            --shadow: 0 4px 12px rgba(0,0,0,0.08);
        }
        body {
            background-color: #f5f7fa;
            color: #333;
            line-height: 1.7;
        }
        .container {
            width: 100%;
            max-width: 1200px;
            margin: 0 auto;
            padding: 0 20px;
        }
        header {
            background: white;
            box-shadow: var(--shadow);
            position: sticky;
            top: 0;
            z-index: 1000;
        }
        .header-top {
            display: flex;
            justify-content: space-between;
            align-items: center;
            padding: 15px 0;
            border-bottom: 1px solid #eee;
        }
        .logo a {
            font-size: 2.2rem;
            font-weight: 800;
            color: var(--primary);
            text-decoration: none;
            background: linear-gradient(90deg, #1a73e8, #34a853);
            -webkit-background-clip: text;
            -webkit-text-fill-color: transparent;
            letter-spacing: -0.5px;
        }
        .search-box {
            display: flex;
            width: 40%;
            max-width: 400px;
        }
        .search-box input {
            flex: 1;
            padding: 12px 18px;
            border: 2px solid var(--primary);
            border-radius: 30px 0 0 30px;
            font-size: 1rem;
            outline: none;
            transition: all 0.3s;
        }
        .search-box input:focus {
            box-shadow: 0 0 0 3px rgba(26, 115, 232, 0.2);
        }
        .search-box button {
            background: var(--primary);
            color: white;
            border: none;
            padding: 0 25px;
            border-radius: 0 30px 30px 0;
            cursor: pointer;
            font-size: 1rem;
            transition: background 0.3s;
        }
        .search-box button:hover {
            background: #0d5ec1;
        }
        .mobile-toggle {
            display: none;
            font-size: 1.8rem;
            color: var(--dark);
            cursor: pointer;
        }
        nav {
            padding: 15px 0;
        }
        .nav-menu {
            display: flex;
            list-style: none;
            gap: 30px;
            justify-content: center;
        }
        .nav-menu li a {
            text-decoration: none;
            color: var(--dark);
            font-weight: 600;
            font-size: 1.1rem;
            padding: 8px 5px;
            position: relative;
            transition: color 0.3s;
        }
        .nav-menu li a:hover {
            color: var(--primary);
        }
        .nav-menu li a::after {
            content: '';
            position: absolute;
            bottom: 0;
            left: 0;
            width: 0;
            height: 3px;
            background: var(--accent);
            transition: width 0.3s;
        }
        .nav-menu li a:hover::after {
            width: 100%;
        }
        .breadcrumb {
            padding: 15px 0;
            font-size: 0.95rem;
            color: var(--gray);
        }
        .breadcrumb a {
            color: var(--primary);
            text-decoration: none;
        }
        .breadcrumb a:hover {
            text-decoration: underline;
        }
        main {
            padding: 30px 0;
            display: grid;
            grid-template-columns: 1fr 300px;
            gap: 40px;
        }
        .article-content {
            background: white;
            border-radius: 16px;
            padding: 40px;
            box-shadow: var(--shadow);
        }
        h1 {
            font-size: 2.8rem;
            color: var(--dark);
            margin-bottom: 25px;
            line-height: 1.2;
        }
        h2 {
            font-size: 2rem;
            color: var(--primary);
            margin: 40px 0 20px;
            padding-bottom: 10px;
            border-bottom: 2px dashed #eee;
        }
        h3 {
            font-size: 1.5rem;
            color: var(--secondary);
            margin: 30px 0 15px;
        }
        p {
            margin-bottom: 22px;
            font-size: 1.1rem;
            text-align: justify;
        }
        .highlight {
            background: #e8f0fe;
            border-left: 5px solid var(--primary);
            padding: 20px;
            margin: 25px 0;
            border-radius: 0 10px 10px 0;
        }
        .emoji {
            font-size: 1.4rem;
            margin-right: 8px;
        }
        .feature-img {
            width: 100%;
            max-width: 800px;
            height: auto;
            border-radius: 12px;
            margin: 25px auto;
            display: block;
            box-shadow: 0 8px 20px rgba(0,0,0,0.1);
            transition: transform 0.5s;
        }
        .feature-img:hover {
            transform: scale(1.02);
        }
        .tip-box {
            background: #f0f7f0;
            border: 1px solid var(--secondary);
            border-radius: 12px;
            padding: 25px;
            margin: 30px 0;
        }
        .tip-box h4 {
            color: var(--secondary);
            margin-bottom: 15px;
            font-size: 1.3rem;
        }
        aside {
            background: white;
            border-radius: 16px;
            padding: 25px;
            box-shadow: var(--shadow);
            align-self: start;
            position: sticky;
            top: 150px;
        }
        .sidebar-widget {
            margin-bottom: 35px;
        }
        .sidebar-widget h3 {
            font-size: 1.3rem;
            margin-bottom: 20px;
            color: var(--dark);
            padding-bottom: 10px;
            border-bottom: 2px solid var(--accent);
        }
        .rating-form input[type="radio"] {
            display: none;
        }
        .rating-form label {
            font-size: 1.8rem;
            color: #ddd;
            cursor: pointer;
            transition: color 0.2s;
            margin-right: 5px;
        }
        .rating-form input:checked ~ label,
        .rating-form label:hover,
        .rating-form label:hover ~ label {
            color: #ffc107;
        }
        .comment-form textarea,
        .rating-form button,
        .comment-form button {
            width: 100%;
            padding: 15px;
            margin-top: 15px;
            border-radius: 10px;
            border: 1px solid #ccc;
            font-size: 1rem;
            resize: vertical;
        }
        .comment-form button,
        .rating-form button {
            background: var(--primary);
            color: white;
            border: none;
            cursor: pointer;
            font-weight: bold;
            transition: background 0.3s;
        }
        .comment-form button:hover,
        .rating-form button:hover {
            background: #0d5ec1;
        }
        .web-links {
            display: grid;
            grid-template-columns: repeat(5, 1fr);
            gap: 20px;
            margin: 50px 0 30px;
            padding-top: 30px;
            border-top: 2px solid #eee;
        }
        .web-link {
            background: white;
            padding: 18px;
            border-radius: 10px;
            box-shadow: 0 3px 8px rgba(0,0,0,0.05);
            transition: all 0.3s;
        }
        .web-link:hover {
            transform: translateY(-5px);
            box-shadow: 0 8px 15px rgba(0,0,0,0.1);
        }
        .web-link a {
            text-decoration: none;
            color: var(--dark);
            font-weight: 600;
            font-size: 1.05rem;
            display: block;
            text-align: center;
        }
        .web-link a:hover {
            color: var(--primary);
        }
        footer {
            background: var(--dark);
            color: white;
            padding: 40px 0 20px;
            margin-top: 50px;
        }
        .footer-container {
            display: flex;
            justify-content: space-between;
            flex-wrap: wrap;
            gap: 30px;
        }
        .copyright {
            width: 100%;
            text-align: center;
            margin-top: 30px;
            padding-top: 20px;
            border-top: 1px solid #444;
            font-size: 0.95rem;
            color: #aaa;
        }
        @media (max-width: 992px) {
            main {
                grid-template-columns: 1fr;
            }
            .web-links {
                grid-template-columns: repeat(3, 1fr);
            }
            aside {
                position: static;
            }
        }
        @media (max-width: 768px) {
            .header-top {
                flex-wrap: wrap;
            }
            .search-box {
                order: 3;
                width: 100%;
                max-width: 100%;
                margin-top: 15px;
            }
            .mobile-toggle {
                display: block;
            }
            .nav-menu {
                display: none;
                flex-direction: column;
                gap: 0;
                width: 100%;
                background: white;
                padding: 20px 0;
                border-top: 1px solid #eee;
            }
            .nav-menu.active {
                display: flex;
            }
            .nav-menu li {
                text-align: center;
                padding: 15px;
                border-bottom: 1px solid #f0f0f0;
            }
            h1 {
                font-size: 2.2rem;
            }
            .article-content {
                padding: 25px;
            }
            .web-links {
                grid-template-columns: repeat(2, 1fr);
            }
        }
        @media (max-width: 576px) {
            .web-links {
                grid-template-columns: 1fr;
            }
            h1 {
                font-size: 1.9rem;
            }
            h2 {
                font-size: 1.7rem;
            }
            p {
                font-size: 1rem;
            }
        }