* {
            margin: 0;
            padding: 0;
            box-sizing: border-box;
            font-family: 'Segoe UI', Tahoma, Geneva, Verdana, sans-serif;
        }
        html {
            scroll-behavior: smooth;
        }
        body {
            background-color: #f8f9fa;
            color: #333;
            line-height: 1.7;
            display: flex;
            flex-direction: column;
            min-height: 100vh;
        }
        a {
            color: #ff6b00;
            text-decoration: none;
            transition: color 0.3s;
        }
        a:hover {
            color: #d45a00;
        }
        img {
            max-width: 100%;
            height: auto;
            display: block;
        }
        .container {
            width: 100%;
            max-width: 1200px;
            margin: 0 auto;
            padding: 0 20px;
        }
        section {
            padding: 60px 0;
            border-bottom: 1px solid #eee;
        }
        header {
            background: linear-gradient(135deg, #1a237e 0%, #4a148c 100%);
            color: white;
            padding: 1.2rem 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;
        }
        .my-logo {
            font-size: 2.2rem;
            font-weight: 900;
            background: linear-gradient(90deg, #ffeb3b, #ff9800);
            -webkit-background-clip: text;
            background-clip: text;
            color: transparent;
            text-shadow: 0 2px 4px rgba(0,0,0,0.2);
            letter-spacing: -1px;
        }
        .my-logo a {
            color: inherit;
        }
        nav ul {
            display: flex;
            list-style: none;
            gap: 2rem;
        }
        nav a {
            color: #fff;
            font-weight: 600;
            padding: 0.5rem 0;
            position: relative;
        }
        nav a:hover {
            color: #ffeb3b;
        }
        nav a::after {
            content: '';
            position: absolute;
            bottom: 0;
            left: 0;
            width: 0;
            height: 2px;
            background: #ffeb3b;
            transition: width 0.3s ease;
        }
        nav a:hover::after {
            width: 100%;
        }
        .hamburger {
            display: none;
            background: none;
            border: none;
            color: white;
            font-size: 1.8rem;
            cursor: pointer;
        }
        .breadcrumb {
            background-color: #e9ecef;
            padding: 1rem 0;
            font-size: 0.9rem;
        }
        .breadcrumb ol {
            display: flex;
            list-style: none;
            flex-wrap: wrap;
        }
        .breadcrumb li:not(:last-child)::after {
            content: '/';
            margin: 0 8px;
            color: #6c757d;
        }
        .hero {
            background: linear-gradient(rgba(26, 35, 126, 0.85), rgba(74, 20, 140, 0.85)), url('https://images.unsplash.com/photo-1542751371-adc38448a05e?ixlib=rb-4.0.3&auto=format&fit=crop&w=1200&q=80') center/cover no-repeat;
            color: white;
            text-align: center;
            padding: 100px 20px;
        }
        .hero h1 {
            font-size: 3.2rem;
            margin-bottom: 1.5rem;
            text-shadow: 2px 2px 8px rgba(0,0,0,0.5);
        }
        .hero p {
            font-size: 1.3rem;
            max-width: 800px;
            margin: 0 auto 2rem;
            opacity: 0.95;
        }
        h1, h2, h3, h4 {
            color: #1a237e;
            margin-bottom: 1.2rem;
            line-height: 1.3;
        }
        h1 { font-size: 2.8rem; }
        h2 {
            font-size: 2.2rem;
            border-left: 6px solid #ff6b00;
            padding-left: 15px;
            margin-top: 2rem;
        }
        h3 {
            font-size: 1.7rem;
            color: #4a148c;
            margin-top: 1.8rem;
        }
        h4 {
            font-size: 1.4rem;
            color: #6a1b9a;
            margin-top: 1.5rem;
        }
        p {
            margin-bottom: 1.5rem;
            text-align: justify;
            hyphens: auto;
        }
        .content-highlight {
            background: #fff8e1;
            border-left: 4px solid #ffb300;
            padding: 1.5rem;
            margin: 2rem 0;
            border-radius: 0 8px 8px 0;
        }
        .stats-grid {
            display: grid;
            grid-template-columns: repeat(auto-fit, minmax(250px, 1fr));
            gap: 1.5rem;
            margin: 2.5rem 0;
        }
        .stat-card {
            background: white;
            padding: 1.8rem;
            border-radius: 10px;
            box-shadow: 0 5px 15px rgba(0,0,0,0.05);
            text-align: center;
            border-top: 5px solid #1a237e;
        }
        .stat-card i {
            font-size: 2.5rem;
            color: #ff6b00;
            margin-bottom: 1rem;
        }
        .link-list {
            background: #f1f8ff;
            padding: 1.8rem;
            border-radius: 10px;
            margin: 2rem 0;
        }
        .link-list ul {
            list-style-position: inside;
            column-count: 2;
            column-gap: 2rem;
        }
        .link-list li {
            margin-bottom: 0.8rem;
            break-inside: avoid;
        }
        .form-section {
            background: white;
            padding: 2.5rem;
            border-radius: 12px;
            box-shadow: 0 8px 25px rgba(0,0,0,0.08);
            margin: 3rem 0;
        }
        .form-group {
            margin-bottom: 1.5rem;
        }
        label {
            display: block;
            margin-bottom: 0.5rem;
            font-weight: 600;
            color: #444;
        }
        input, textarea, select {
            width: 100%;
            padding: 0.9rem;
            border: 1px solid #ccc;
            border-radius: 6px;
            font-size: 1rem;
            transition: border 0.3s;
        }
        input:focus, textarea:focus, select:focus {
            outline: none;
            border-color: #ff6b00;
            box-shadow: 0 0 0 3px rgba(255, 107, 0, 0.2);
        }
        .btn {
            display: inline-block;
            background: linear-gradient(90deg, #ff6b00, #ff8f00);
            color: white;
            padding: 0.9rem 2rem;
            border: none;
            border-radius: 50px;
            font-weight: 700;
            cursor: pointer;
            transition: all 0.3s;
            text-transform: uppercase;
            letter-spacing: 0.5px;
        }
        .btn:hover {
            background: linear-gradient(90deg, #e65100, #ff6f00);
            transform: translateY(-3px);
            box-shadow: 0 7px 14px rgba(255, 107, 0, 0.3);
        }
        .rating-stars {
            display: flex;
            gap: 0.5rem;
            font-size: 2rem;
            color: #ddd;
            margin: 1rem 0;
        }
        .rating-stars .star {
            cursor: pointer;
            transition: color 0.2s;
        }
        .rating-stars .star:hover,
        .rating-stars .star.active {
            color: #ffc107;
        }
        .feature-img {
            width: 100%;
            max-width: 800px;
            margin: 2.5rem auto;
            border-radius: 12px;
            overflow: hidden;
            box-shadow: 0 15px 30px rgba(0,0,0,0.15);
        }
        footer {
            background: #1a237e;
            color: #e0e0e0;
            padding: 3rem 0 1.5rem;
            margin-top: auto;
        }
        .footer-content {
            display: grid;
            grid-template-columns: repeat(auto-fit, minmax(250px, 1fr));
            gap: 2.5rem;
            margin-bottom: 2rem;
        }
        .footer-section h4 {
            color: #ffeb3b;
            border-left: none;
            padding-left: 0;
        }
        .footer-section ul {
            list-style: none;
        }
        .footer-section li {
            margin-bottom: 0.8rem;
        }
        friend-link {
            display: inline-block;
            background: rgba(255,255,255,0.1);
            padding: 0.5rem 1rem;
            border-radius: 4px;
            margin-right: 0.8rem;
            margin-bottom: 0.8rem;
        }
        .copyright {
            text-align: center;
            padding-top: 1.5rem;
            border-top: 1px solid #3949ab;
            font-size: 0.9rem;
            color: #b0b0b0;
        }
        @media (max-width: 992px) {
            .hero h1 { font-size: 2.6rem; }
            h2 { font-size: 2rem; }
            .link-list ul { column-count: 1; }
        }
        @media (max-width: 768px) {
            .header-container { position: relative; }
            nav {
                position: absolute;
                top: 100%;
                left: 0;
                width: 100%;
                background: #1a237e;
                display: none;
                flex-direction: column;
                padding: 1rem 0;
                box-shadow: 0 10px 15px rgba(0,0,0,0.1);
            }
            nav.active { display: flex; }
            nav ul {
                flex-direction: column;
                gap: 0;
                text-align: center;
            }
            nav li { width: 100%; }
            nav a {
                display: block;
                padding: 1rem;
                border-bottom: 1px solid rgba(255,255,255,0.1);
            }
            .hamburger { display: block; }
            .hero h1 { font-size: 2.2rem; }
            .hero p { font-size: 1.1rem; }
            .form-section { padding: 1.8rem; }
            .stats-grid { grid-template-columns: 1fr; }
        }
        @media (max-width: 576px) {
            .hero { padding: 70px 20px; }
            h1 { font-size: 2rem; }
            h2 { font-size: 1.7rem; }
        }