* {
            margin: 0;
            padding: 0;
            box-sizing: border-box;
            font-family: 'Segoe UI', Tahoma, Geneva, Verdana, sans-serif;
        }
        html {
            scroll-behavior: smooth;
        }
        body {
            background-color: #0c1a1f;
            color: #e0e0e0;
            line-height: 1.7;
            overflow-x: hidden;
        }
        a {
            color: #4dc0d0;
            text-decoration: none;
            transition: color 0.3s ease, text-shadow 0.3s ease;
        }
        a:hover {
            color: #ffcc00;
            text-shadow: 0 0 5px rgba(255, 204, 0, 0.5);
        }
        img {
            max-width: 100%;
            height: auto;
            display: block;
        }
        .container {
            width: 100%;
            max-width: 1200px;
            margin: 0 auto;
            padding: 0 20px;
        }
        header {
            background: linear-gradient(to bottom, #0a161b 0%, #0c1a1f 100%);
            border-bottom: 2px solid #1a3a47;
            position: sticky;
            top: 0;
            z-index: 1000;
            padding: 15px 0;
        }
        .header-content {
            display: flex;
            justify-content: space-between;
            align-items: center;
        }
        .my-logo {
            font-family: 'Impact', 'Arial Black', sans-serif;
            font-size: 2.2rem;
            background: linear-gradient(45deg, #2a9d8f, #e9c46a, #f4a261);
            -webkit-background-clip: text;
            background-clip: text;
            color: transparent;
            text-shadow: 0 2px 4px rgba(0,0,0,0.5);
            padding: 5px;
        }
        .my-logo:hover {
            transform: scale(1.03);
        }
        nav {
            display: flex;
            align-items: center;
        }
        .nav-links {
            display: flex;
            list-style: none;
            gap: 30px;
        }
        .nav-links a {
            font-weight: 600;
            font-size: 1.1rem;
            padding: 8px 12px;
            border-radius: 5px;
        }
        .nav-links a:hover {
            background-color: rgba(42, 157, 143, 0.2);
        }
        .hamburger {
            display: none;
            font-size: 1.8rem;
            cursor: pointer;
            color: #4dc0d0;
            background: none;
            border: none;
        }
        .breadcrumb {
            padding: 15px 0;
            font-size: 0.9rem;
            color: #8a9ba8;
            border-bottom: 1px solid #1a3a47;
        }
        .breadcrumb a {
            color: #8a9ba8;
        }
        .breadcrumb a:hover {
            color: #ffcc00;
        }
        .breadcrumb i {
            margin: 0 8px;
        }
        main {
            padding: 40px 0;
            background-color: #0f2129;
            min-height: 100vh;
        }
        article {
            background: rgba(16, 33, 42, 0.9);
            border-radius: 12px;
            padding: 40px;
            box-shadow: 0 10px 30px rgba(0, 0, 0, 0.5);
            border: 1px solid #1a3a47;
            margin-bottom: 40px;
        }
        h1 {
            font-size: 3.2rem;
            color: #e9c46a;
            margin-bottom: 25px;
            text-align: center;
            border-bottom: 3px solid #2a9d8f;
            padding-bottom: 15px;
            text-shadow: 0 2px 5px #000;
        }
        h2 {
            font-size: 2.4rem;
            color: #4dc0d0;
            margin-top: 50px;
            margin-bottom: 20px;
            padding-bottom: 10px;
            border-bottom: 2px dashed #1a3a47;
        }
        h3 {
            font-size: 1.8rem;
            color: #f4a261;
            margin-top: 35px;
            margin-bottom: 15px;
        }
        h4 {
            font-size: 1.4rem;
            color: #e76f51;
            margin-top: 25px;
            margin-bottom: 10px;
        }
        p {
            margin-bottom: 22px;
            font-size: 1.15rem;
            text-align: justify;
        }
        .lead {
            font-size: 1.4rem;
            color: #a3d9ff;
            font-weight: 300;
            line-height: 1.8;
            margin-bottom: 35px;
            padding: 20px;
            background: rgba(26, 58, 71, 0.4);
            border-left: 5px solid #2a9d8f;
            border-radius: 0 8px 8px 0;
        }
        .highlight {
            background-color: rgba(255, 204, 0, 0.15);
            padding: 3px 8px;
            border-radius: 4px;
            font-weight: bold;
        }
        .note {
            background-color: rgba(42, 157, 143, 0.15);
            border-left: 4px solid #2a9d8f;
            padding: 18px;
            margin: 25px 0;
            border-radius: 0 8px 8px 0;
        }
        .emoji {
            font-size: 1.3em;
            vertical-align: middle;
            margin: 0 5px;
        }
        .featured-img {
            width: 80%;
            margin: 35px auto;
            border-radius: 12px;
            overflow: hidden;
            border: 3px solid #1a3a47;
            box-shadow: 0 8px 20px rgba(0,0,0,0.7);
            transition: transform 0.5s ease;
        }
        .featured-img:hover {
            transform: scale(1.02);
        }
        .caption {
            text-align: center;
            font-style: italic;
            color: #8a9ba8;
            margin-top: 10px;
            font-size: 0.95rem;
        }
        .interactive-module {
            background: rgba(26, 58, 71, 0.6);
            border-radius: 10px;
            padding: 25px;
            margin: 40px 0;
            border: 1px solid #2a9d8f;
        }
        .module-title {
            color: #e9c46a;
            font-size: 1.8rem;
            margin-bottom: 20px;
            display: flex;
            align-items: center;
            gap: 10px;
        }
        form {
            display: grid;
            gap: 20px;
        }
        .form-group {
            display: flex;
            flex-direction: column;
        }
        label {
            margin-bottom: 8px;
            font-weight: 600;
            color: #a3d9ff;
        }
        input, textarea, select {
            padding: 12px 15px;
            border-radius: 6px;
            border: 1px solid #3a5a6d;
            background-color: #0c1a1f;
            color: #e0e0e0;
            font-size: 1rem;
            transition: border 0.3s ease;
        }
        input:focus, textarea:focus, select:focus {
            outline: none;
            border-color: #4dc0d0;
            box-shadow: 0 0 0 2px rgba(77, 192, 208, 0.3);
        }
        button {
            padding: 14px 25px;
            background: linear-gradient(to right, #2a9d8f, #1d6f7a);
            color: white;
            border: none;
            border-radius: 6px;
            font-weight: bold;
            font-size: 1.1rem;
            cursor: pointer;
            transition: all 0.3s ease;
            justify-self: start;
            display: flex;
            align-items: center;
            gap: 10px;
        }
        button:hover {
            background: linear-gradient(to right, #21867a, #155a63);
            transform: translateY(-3px);
            box-shadow: 0 5px 15px rgba(42, 157, 143, 0.4);
        }
        .rating {
            display: flex;
            gap: 10px;
            align-items: center;
            flex-wrap: wrap;
        }
        .star {
            font-size: 2rem;
            color: #555;
            cursor: pointer;
            transition: color 0.2s;
        }
        .star:hover,
        .star.active {
            color: #ffcc00;
        }
        footer {
            background-color: #0a161b;
            border-top: 2px solid #1a3a47;
            padding: 50px 0 25px;
            text-align: center;
        }
        .footer-content {
            display: grid;
            grid-template-columns: repeat(auto-fit, minmax(250px, 1fr));
            gap: 40px;
            margin-bottom: 40px;
        }
        .footer-section h4 {
            color: #4dc0d0;
            margin-bottom: 20px;
            font-size: 1.3rem;
        }
        friend-link {
            display: block;
            margin: 10px 0;
            padding: 8px 15px;
            background: rgba(42, 157, 143, 0.1);
            border-radius: 5px;
            border-left: 3px solid #2a9d8f;
            transition: background 0.3s ease;
        }
        friend-link:hover {
            background: rgba(42, 157, 143, 0.25);
        }
        .copyright {
            padding-top: 25px;
            border-top: 1px solid #1a3a47;
            color: #8a9ba8;
            font-size: 0.9rem;
        }
        .update-time {
            color: #f4a261;
            font-weight: bold;
        }
        @media (max-width: 992px) {
            h1 { font-size: 2.8rem; }
            h2 { font-size: 2.1rem; }
            .nav-links { gap: 15px; }
            .container { padding: 0 15px; }
        }
        @media (max-width: 768px) {
            .header-content { flex-wrap: wrap; }
            .hamburger {
                display: block;
                order: 1;
            }
            .my-logo {
                order: 0;
                font-size: 1.8rem;
                flex: 1;
            }
            nav {
                order: 2;
                flex-basis: 100%;
                margin-top: 20px;
                display: none;
            }
            nav.active {
                display: block;
            }
            .nav-links {
                flex-direction: column;
                gap: 10px;
                background-color: #0a161b;
                padding: 20px;
                border-radius: 10px;
                border: 1px solid #1a3a47;
            }
            h1 { font-size: 2.4rem; }
            h2 { font-size: 1.9rem; }
            h3 { font-size: 1.6rem; }
            article { padding: 25px; }
            .featured-img { width: 100%; }
            .footer-content { grid-template-columns: 1fr; }
        }
        @media (max-width: 480px) {
            h1 { font-size: 2rem; }
            h2 { font-size: 1.7rem; }
            .lead { font-size: 1.2rem; }
            p { font-size: 1.05rem; }
            button { width: 100%; justify-content: center; }
        }