* {
            margin: 0;
            padding: 0;
            box-sizing: border-box;
            font-family: 'Segoe UI', Tahoma, Geneva, Verdana, sans-serif;
        }
        html {
            scroll-behavior: smooth;
        }
        body {
            background: linear-gradient(135deg, #0c1a2d 0%, #1a3a5f 100%);
            color: #e8f4ff;
            line-height: 1.7;
            min-height: 100vh;
            display: flex;
            flex-direction: column;
        }
        a {
            color: #4fc3f7;
            text-decoration: none;
            transition: all 0.3s ease;
        }
        a:hover {
            color: #ffcc00;
            text-decoration: underline;
        }
        img {
            max-width: 100%;
            height: auto;
            display: block;
            border-radius: 8px;
        }
        .container {
            width: 100%;
            max-width: 1200px;
            margin: 0 auto;
            padding: 0 20px;
        }
        .btn {
            display: inline-block;
            padding: 12px 28px;
            background: linear-gradient(90deg, #ff6b00, #ffcc00);
            color: #0c1a2d;
            border: none;
            border-radius: 50px;
            font-weight: 700;
            cursor: pointer;
            transition: transform 0.3s, box-shadow 0.3s;
        }
        .btn:hover {
            transform: translateY(-3px);
            box-shadow: 0 10px 20px rgba(255, 107, 0, 0.3);
            text-decoration: none;
        }
        .section {
            padding: 60px 0;
        }
        .text-center { text-align: center; }
        .text-highlight { color: #ffcc00; font-weight: bold; }
        .site-header {
            background: rgba(12, 26, 45, 0.95);
            backdrop-filter: blur(10px);
            position: sticky;
            top: 0;
            z-index: 1000;
            border-bottom: 2px solid #2a4a7a;
        }
        .header-inner {
            display: flex;
            justify-content: space-between;
            align-items: center;
            padding: 15px 0;
        }
        .my-logo {
            font-size: 2.2rem;
            font-weight: 900;
            background: linear-gradient(90deg, #ffcc00, #ff6b00);
            -webkit-background-clip: text;
            background-clip: text;
            color: transparent;
            text-shadow: 0 2px 5px rgba(0,0,0,0.2);
        }
        .my-logo a { background: none; color: inherit; }
        .main-nav {
            display: flex;
            align-items: center;
        }
        .nav-list {
            display: flex;
            list-style: none;
            gap: 25px;
        }
        .nav-list a {
            color: #c5d8f0;
            font-weight: 600;
            padding: 8px 5px;
            border-bottom: 2px solid transparent;
        }
        .nav-list a:hover,
        .nav-list a.active {
            color: #ffcc00;
            border-bottom-color: #ffcc00;
        }
        .hamburger {
            display: none;
            font-size: 1.8rem;
            background: none;
            border: none;
            color: #ffcc00;
            cursor: pointer;
        }
        .breadcrumb {
            padding: 15px 0;
            background: rgba(42, 74, 122, 0.3);
            font-size: 0.9rem;
        }
        .breadcrumb a { color: #a3c8ff; }
        .breadcrumb span { color: #ccc; margin: 0 8px; }
        .hero {
            padding: 80px 0;
            background: radial-gradient(circle at 20% 50%, #2a4a7a, transparent 50%);
        }
        .hero h1 {
            font-size: 3.2rem;
            margin-bottom: 20px;
            line-height: 1.2;
            text-shadow: 2px 2px 4px #000;
        }
        .hero p {
            font-size: 1.2rem;
            max-width: 800px;
            margin-bottom: 30px;
            color: #c5d8f0;
        }
        .content-wrapper {
            display: grid;
            grid-template-columns: 1fr 300px;
            gap: 40px;
            margin: 40px 0;
        }
        @media (max-width: 992px) {
            .content-wrapper { grid-template-columns: 1fr; }
        }
        main article { background: rgba(255,255,255,0.03); padding: 30px; border-radius: 12px; box-shadow: 0 10px 30px rgba(0,0,0,0.3); }
        .sidebar-widget {
            background: rgba(42, 74, 122, 0.4);
            padding: 25px;
            border-radius: 12px;
            margin-bottom: 30px;
        }
        .sidebar-widget h3 {
            border-left: 4px solid #ffcc00;
            padding-left: 15px;
            margin-bottom: 20px;
        }
        h1, h2, h3, h4 {
            color: #ffdd44;
            margin-top: 1.8em;
            margin-bottom: 0.8em;
            line-height: 1.3;
        }
        h1 { font-size: 2.8rem; }
        h2 { font-size: 2.2rem; border-bottom: 2px solid #2a4a7a; padding-bottom: 10px; }
        h3 { font-size: 1.8rem; }
        h4 { font-size: 1.4rem; color: #a3c8ff; }
        p {
            margin-bottom: 1.5em;
            font-size: 1.1rem;
        }
        .lead { font-size: 1.3rem; font-weight: 300; color: #b8d4ff; }
        .highlight-box {
            background: linear-gradient(135deg, rgba(255,204,0,0.1), rgba(255,107,0,0.1));
            border-left: 5px solid #ffcc00;
            padding: 25px;
            margin: 30px 0;
            border-radius: 0 12px 12px 0;
        }
        .interactive-features { display: flex; flex-wrap: wrap; gap: 30px; margin: 40px 0; }
        .feature-box {
            flex: 1;
            min-width: 300px;
            background: rgba(42, 74, 122, 0.5);
            padding: 25px;
            border-radius: 12px;
            border: 1px solid #3a5a8a;
        }
        .feature-box h3 { margin-top: 0; }
        .feature-box form { display: flex; flex-direction: column; gap: 15px; }
        .feature-box input, .feature-box textarea, .feature-box select {
            padding: 12px 15px;
            background: rgba(12, 26, 45, 0.7);
            border: 1px solid #3a5a8a;
            border-radius: 6px;
            color: #fff;
            font-size: 1rem;
        }
        .feature-box textarea { min-height: 120px; resize: vertical; }
        .star-rating { display: flex; gap: 10px; font-size: 1.8rem; color: #555; }
        .star-rating .star { cursor: pointer; transition: color 0.2s; }
        .star-rating .star:hover,
        .star-rating .star.active { color: #ffcc00; }
        .site-footer {
            background: #0a1423;
            margin-top: auto;
            padding: 60px 0 30px;
            border-top: 2px solid #2a4a7a;
        }
        .footer-widgets {
            display: grid;
            grid-template-columns: repeat(auto-fit, minmax(250px, 1fr));
            gap: 40px;
            margin-bottom: 40px;
        }
        friend-link {
            display: block;
            margin: 8px 0;
            padding: 10px;
            background: rgba(255,255,255,0.05);
            border-radius: 6px;
            transition: background 0.3s;
        }
        friend-link:hover { background: rgba(255,204,0,0.1); }
        .copyright {
            text-align: center;
            padding-top: 30px;
            border-top: 1px solid #2a4a7a;
            color: #8a9bb2;
            font-size: 0.9rem;
        }
        @media (max-width: 768px) {
            .hamburger { display: block; }
            .main-nav .nav-list {
                position: fixed;
                top: 80px;
                left: 0;
                width: 100%;
                background: rgba(12, 26, 45, 0.98);
                flex-direction: column;
                padding: 20px;
                clip-path: polygon(0 0, 100% 0, 100% 0, 0 0);
                transition: clip-path 0.4s ease;
                z-index: 999;
            }
            .main-nav .nav-list.active {
                clip-path: polygon(0 0, 100% 0, 100% 100%, 0 100%);
            }
            .hero h1 { font-size: 2.5rem; }
            h2 { font-size: 2rem; }
            .interactive-features { flex-direction: column; }
            .feature-box { min-width: 100%; }
        }
        @keyframes fadeIn {
            from { opacity: 0; transform: translateY(20px); }
            to { opacity: 1; transform: translateY(0); }
        }
        .fade-in {
            animation: fadeIn 0.8s ease forwards;
        }