* {
            margin: 0;
            padding: 0;
            box-sizing: border-box;
            font-family: 'Arial', sans-serif;
        }
        :root {
            --saffron: #FF9933;
            --green: #138808;
            --gold: #FFD700;
            --dark: #2C3E50;
            --light: #F8F9FA;
            --gray: #6C757D;
            --spacing: 20px;
            --line-height: 1.5;
        }
        body {
            background-color: var(--light);
            color: var(--dark);
            line-height: var(--line-height);
        }
        .container {
            max-width: 1200px;
            margin: 0 auto;
            padding: 0 20px;
        }
        header {
            background-color: white;
            box-shadow: 0 2px 10px rgba(0,0,0,0.1);
            position: sticky;
            top: 0;
            z-index: 1000;
        }
        .header-content {
            display: flex;
            justify-content: space-between;
            align-items: center;
            padding: 15px 0;
        }
        .logo {
            font-size: 24px;
            font-weight: bold;
            color: var(--saffron);
            text-decoration: none;
            display: flex;
            align-items: center;
            gap: 10px;
        }
        .logo span {
            color: var(--green);
        }
        .logo emoji {
            font-size: 28px;
        }
        nav {
            display: flex;
            gap: 30px;
        }
        .nav-link {
            color: var(--dark);
            text-decoration: none;
            font-weight: 500;
            transition: color 0.3s;
        }
        .nav-link:hover {
            color: var(--saffron);
        }
        .btn {
            padding: 10px 20px;
            border-radius: 5px;
            font-weight: bold;
            text-decoration: none;
            transition: all 0.3s;
            border: none;
            cursor: pointer;
        }
        .btn-download {
            background-color: var(--green);
            color: white;
        }
        .btn-download:hover {
            background-color: #0F6B08;
            transform: translateY(-2px);
        }
        .btn-login {
            background-color: var(--saffron);
            color: white;
            margin-left: 10px;
        }
        .btn-login:hover {
            background-color: #E68A00;
            transform: translateY(-2px);
        }
        .hamburger {
            display: none;
            font-size: 24px;
            cursor: pointer;
        }
        .hero {
            background: linear-gradient(rgba(255,255,255,0.9), rgba(255,255,255,0.9)), url('https://host.com/hero-bg.jpg') center/cover no-repeat;
            padding: 80px 0;
            text-align: center;
            margin-bottom: 40px;
        }
        .hero h1 {
            font-size: 48px;
            color: var(--dark);
            margin-bottom: 20px;
            line-height: 1.2;
        }
        .hero h1 span {
            color: var(--saffron);
        }
        .hero p {
            font-size: 18px;
            max-width: 800px;
            margin: 0 auto 30px;
            color: var(--gray);
        }
        .hero-buttons {
            display: flex;
            justify-content: center;
            gap: 20px;
        }
        .toc {
            background-color: white;
            border-radius: 10px;
            padding: 20px;
            margin-bottom: 40px;
            box-shadow: 0 2px 15px rgba(0,0,0,0.05);
        }
        .toc h2 {
            font-size: 22px;
            margin-bottom: 15px;
            color: var(--saffron);
            display: flex;
            align-items: center;
            gap: 10px;
        }
        .toc-list {
            display: grid;
            grid-template-columns: repeat(auto-fit, minmax(200px, 1fr));
            gap: 10px;
            list-style-type: none;
        }
        .toc-list li a {
            color: var(--dark);
            text-decoration: none;
            transition: color 0.3s;
            display: flex;
            align-items: center;
            gap: 5px;
        }
        .toc-list li a:hover {
            color: var(--green);
            text-decoration: underline;
        }
        section {
            background-color: white;
            border-radius: 10px;
            padding: 30px;
            margin-bottom: 40px;
            box-shadow: 0 2px 15px rgba(0,0,0,0.05);
        }
        section h2 {
            font-size: 32px;
            margin-bottom: 25px;
            color: var(--dark);
            border-bottom: 2px solid var(--saffron);
            padding-bottom: 10px;
            display: flex;
            align-items: center;
            gap: 10px;
        }
        section h3 {
            font-size: 24px;
            margin: 30px 0 15px;
            color: var(--green);
            display: flex;
            align-items: center;
            gap: 10px;
        }
        section p {
            margin-bottom: 20px;
            font-size: 16px;
            text-align: justify;
        }
        section img {
            max-width: 100%;
            border-radius: 10px;
            margin: 20px 0;
            box-shadow: 0 3px 10px rgba(0,0,0,0.1);
        }
        .highlight {
            background-color: rgba(255, 215, 0, 0.1);
            border-left: 4px solid var(--gold);
            padding: 15px;
            margin: 25px 0;
            border-radius: 0 5px 5px 0;
        }
        .highlight p {
            margin-bottom: 0;
            font-weight: 500;
        }
        .stats {
            display: grid;
            grid-template-columns: repeat(auto-fit, minmax(200px, 1fr));
            gap: 20px;
            margin: 30px 0;
        }
        .stat-card {
            background-color: rgba(19, 136, 8, 0.05);
            padding: 20px;
            border-radius: 10px;
            text-align: center;
        }
        .stat-card h4 {
            font-size: 36px;
            color: var(--green);
            margin-bottom: 10px;
        }
        .stat-card p {
            margin-bottom: 0;
            color: var(--gray);
            font-weight: 500;
        }
        .quote {
            font-style: italic;
            color: var(--gray);
            border-left: 4px solid var(--saffron);
            padding-left: 15px;
            margin: 30px 0;
            font-size: 18px;
        }
        .quote-author {
            display: block;
            text-align: right;
            margin-top: 10px;
            font-weight: bold;
            color: var(--dark);
            font-style: normal;
        }
        .bottom-section {
            background-color: var(--dark);
            color: white;
            padding: 60px 0 30px;
        }
        .bottom-content {
            display: grid;
            grid-template-columns: repeat(auto-fit, minmax(250px, 1fr));
            gap: 40px;
            margin-bottom: 40px;
        }
        .bottom-column h3 {
            font-size: 20px;
            margin-bottom: 20px;
            color: var(--gold);
        }
        .category-list, .tag-list {
            list-style-type: none;
        }
        .category-list li, .tag-list li {
            margin-bottom: 10px;
        }
        .category-list a, .tag-list a {
            color: var(--light);
            text-decoration: none;
            transition: color 0.3s;
        }
        .category-list a:hover, .tag-list a:hover {
            color: var(--saffron);
            text-decoration: underline;
        }
        .recommendation {
            background-color: rgba(255, 215, 0, 0.1);
            padding: 20px;
            border-radius: 10px;
            margin-top: 20px;
        }
        .recommendation h4 {
            color: var(--gold);
            margin-bottom: 10px;
            font-size: 18px;
        }
        .copyright {
            text-align: center;
            padding-top: 30px;
            border-top: 1px solid rgba(255,255,255,0.1);
            color: var(--gray);
            font-size: 14px;
        }
        @media (max-width: 992px) {
            nav {
                display: none;
                flex-direction: column;
                position: absolute;
                top: 70px;
                left: 0;
                right: 0;
                background-color: white;
                padding: 20px;
                box-shadow: 0 5px 10px rgba(0,0,0,0.1);
                gap: 15px;
            }
            nav.active {
                display: flex;
            }
            .hamburger {
                display: block;
            }
            .hero h1 {
                font-size: 36px;
            }
            section h2 {
                font-size: 28px;
            }
            section h3 {
                font-size: 22px;
            }
        }
        @media (max-width: 768px) {
            .hero {
                padding: 60px 0;
            }
            .hero h1 {
                font-size: 28px;
            }
            .hero p {
                font-size: 16px;
            }
            .hero-buttons {
                flex-direction: column;
                gap: 15px;
            }
            .btn {
                width: 100%;
            }
            .stats {
                grid-template-columns: 1fr 1fr;
            }
        }
        @media (max-width: 576px) {
            .logo {
                font-size: 20px;
            }
            .stats {
                grid-template-columns: 1fr;
            }
            .toc-list {
                grid-template-columns: 1fr;
            }
            section {
                padding: 20px;
            }
            .bottom-content {
                grid-template-columns: 1fr;
            }
        }