* {
            margin: 0;
            padding: 0;
            box-sizing: border-box;
        }
        html {
            scroll-behavior: smooth;
        }
        body {
            font-family: 'Segoe UI', Tahoma, Geneva, Verdana, sans-serif;
            line-height: 1.7;
            color: #f0e6d2;
            background: linear-gradient(135deg, #0a1a2d 0%, #1a3a5f 100%);
            background-attachment: fixed;
            min-height: 100vh;
            display: flex;
            flex-direction: column;
        }
        a {
            color: #00b4ff;
            text-decoration: none;
            transition: color 0.3s ease, text-shadow 0.3s ease;
        }
        a:hover {
            color: #ffd700;
            text-shadow: 0 0 8px rgba(255, 215, 0, 0.5);
        }
        img {
            max-width: 100%;
            height: auto;
            display: block;
            border-radius: 8px;
            box-shadow: 0 5px 15px rgba(0, 0, 0, 0.5);
        }
        .container {
            width: 100%;
            max-width: 1200px;
            margin: 0 auto;
            padding: 0 20px;
        }
        header {
            background-color: rgba(10, 26, 45, 0.95);
            border-bottom: 2px solid #00b4ff;
            position: sticky;
            top: 0;
            z-index: 1000;
            backdrop-filter: blur(10px);
        }
        .header-container {
            display: flex;
            justify-content: space-between;
            align-items: center;
            padding: 15px 20px;
        }
        .logo a {
            font-family: 'Papyrus', fantasy;
            font-size: 2.2rem;
            font-weight: bold;
            color: #ffd700;
            text-shadow: 2px 2px 4px #000, 0 0 10px #00b4ff;
            letter-spacing: 1.5px;
        }
        .logo a:hover {
            color: #fff;
            text-shadow: 2px 2px 6px #000, 0 0 15px #00b4ff;
        }
        nav {
            display: flex;
            align-items: center;
        }
        .nav-links {
            display: flex;
            list-style: none;
            gap: 25px;
        }
        .nav-links a {
            font-size: 1.1rem;
            font-weight: 600;
            padding: 8px 12px;
            border-radius: 4px;
        }
        .nav-links a:hover {
            background-color: rgba(0, 180, 255, 0.2);
        }
        .hamburger {
            display: none;
            font-size: 1.8rem;
            cursor: pointer;
            color: #ffd700;
        }
        .breadcrumb {
            padding: 12px 20px;
            background-color: rgba(26, 58, 95, 0.8);
            font-size: 0.9rem;
        }
        .breadcrumb a {
            color: #a0c8e0;
        }
        .breadcrumb a:hover {
            color: #ffd700;
        }
        .breadcrumb span {
            color: #ccc;
            margin: 0 5px;
        }
        main {
            flex: 1;
            padding: 30px 0;
        }
        article {
            background-color: rgba(20, 40, 65, 0.85);
            border-radius: 12px;
            padding: 40px;
            margin-bottom: 40px;
            box-shadow: 0 10px 30px rgba(0, 0, 0, 0.4);
            border: 1px solid #2a517a;
        }
        h1 {
            font-size: 3.2rem;
            color: #ffd700;
            margin-bottom: 25px;
            text-align: center;
            text-shadow: 2px 2px 5px #000;
            border-bottom: 3px solid #00b4ff;
            padding-bottom: 20px;
        }
        h2 {
            font-size: 2.4rem;
            color: #00b4ff;
            margin-top: 40px;
            margin-bottom: 20px;
            padding-bottom: 10px;
            border-bottom: 2px dashed #2a517a;
        }
        h3 {
            font-size: 1.8rem;
            color: #a0e0ff;
            margin-top: 30px;
            margin-bottom: 15px;
        }
        h4 {
            font-size: 1.4rem;
            color: #c0e8ff;
            margin-top: 25px;
            margin-bottom: 10px;
        }
        p {
            margin-bottom: 22px;
            font-size: 1.15rem;
            text-align: justify;
        }
        .intro {
            font-size: 1.3rem;
            font-weight: 500;
            color: #e6f7ff;
            background-color: rgba(0, 100, 150, 0.2);
            padding: 20px;
            border-left: 5px solid #ffd700;
            border-radius: 0 8px 8px 0;
            margin-bottom: 35px;
        }
        .highlight {
            background-color: rgba(255, 215, 0, 0.15);
            padding: 20px;
            border-radius: 8px;
            margin: 25px 0;
            border-left: 4px solid #ffd700;
        }
        .highlight strong {
            color: #ffd700;
        }
        .image-container {
            margin: 30px auto;
            text-align: center;
            max-width: 800px;
        }
        .image-container figcaption {
            font-style: italic;
            margin-top: 10px;
            color: #b0d0e0;
            font-size: 0.95rem;
        }
        .emoji {
            font-size: 1.2em;
            margin-right: 5px;
        }
        blockquote {
            border-left: 5px solid #00b4ff;
            padding-left: 25px;
            margin: 30px 0;
            font-style: italic;
            color: #d0eaff;
            background-color: rgba(0, 180, 255, 0.05);
            padding-top: 15px;
            padding-bottom: 15px;
            border-radius: 0 8px 8px 0;
        }
        .interactive-section {
            background-color: rgba(30, 50, 80, 0.9);
            border-radius: 10px;
            padding: 25px;
            margin: 40px 0;
            border: 1px solid #3a6a9a;
        }
        .interactive-section h3 {
            margin-top: 0;
            color: #ffd700;
        }
        form {
            display: grid;
            gap: 20px;
            max-width: 600px;
        }
        .form-group {
            display: flex;
            flex-direction: column;
        }
        label {
            margin-bottom: 8px;
            font-weight: 600;
            color: #a0e0ff;
        }
        input, textarea, select {
            padding: 12px 15px;
            border-radius: 6px;
            border: 1px solid #3a6a9a;
            background-color: rgba(10, 26, 45, 0.8);
            color: #f0e6d2;
            font-size: 1rem;
            transition: border 0.3s ease, box-shadow 0.3s ease;
        }
        input:focus, textarea:focus, select:focus {
            outline: none;
            border-color: #00b4ff;
            box-shadow: 0 0 8px rgba(0, 180, 255, 0.5);
        }
        button {
            padding: 14px 25px;
            background: linear-gradient(to right, #00b4ff, #0088cc);
            color: white;
            border: none;
            border-radius: 6px;
            font-size: 1.1rem;
            font-weight: bold;
            cursor: pointer;
            transition: all 0.3s ease;
            justify-self: start;
        }
        button:hover {
            background: linear-gradient(to right, #00ccff, #0099dd);
            box-shadow: 0 5px 15px rgba(0, 180, 255, 0.4);
            transform: translateY(-2px);
        }
        .rating-stars {
            display: flex;
            gap: 10px;
            font-size: 2rem;
            color: #555;
            margin: 10px 0;
        }
        .rating-stars .star {
            cursor: pointer;
            transition: color 0.2s;
        }
        .rating-stars .star:hover,
        .rating-stars .star.active {
            color: #ffd700;
        }
        footer {
            background-color: #0a1a2d;
            border-top: 2px solid #00b4ff;
            padding: 40px 0 20px;
            margin-top: 50px;
        }
        .footer-container {
            display: grid;
            grid-template-columns: repeat(auto-fit, minmax(250px, 1fr));
            gap: 40px;
            margin-bottom: 30px;
        }
        .footer-section h4 {
            color: #ffd700;
            margin-bottom: 20px;
            font-size: 1.4rem;
        }
        .footer-links {
            list-style: none;
        }
        .footer-links li {
            margin-bottom: 12px;
        }
        .footer-links a {
            color: #a0c8e0;
        }
        .footer-links a:hover {
            color: #ffd700;
            padding-left: 5px;
        }
        friend-link {
            display: block;
            padding: 15px;
            background-color: rgba(26, 58, 95, 0.5);
            border-radius: 8px;
            margin-top: 10px;
        }
        friend-link a {
            font-weight: bold;
            color: #ffd700;
        }
        .copyright {
            text-align: center;
            padding-top: 25px;
            border-top: 1px solid #2a517a;
            color: #8a9ba8;
            font-size: 0.9rem;
        }
        .update-time {
            text-align: right;
            font-size: 0.9rem;
            color: #8a9ba8;
            margin-top: 20px;
            font-style: italic;
        }
        @media (max-width: 992px) {
            h1 { font-size: 2.8rem; }
            h2 { font-size: 2.1rem; }
            h3 { font-size: 1.6rem; }
            article { padding: 30px; }
        }
        @media (max-width: 768px) {
            .header-container { padding: 12px 15px; }
            .nav-links {
                display: none;
                position: absolute;
                top: 100%;
                left: 0;
                width: 100%;
                background-color: rgba(10, 26, 45, 0.98);
                flex-direction: column;
                padding: 20px;
                gap: 15px;
                border-bottom: 2px solid #00b4ff;
            }
            .nav-links.active {
                display: flex;
            }
            .hamburger {
                display: block;
            }
            h1 { font-size: 2.4rem; }
            h2 { font-size: 1.9rem; }
            h3 { font-size: 1.5rem; }
            p, .intro { font-size: 1.05rem; }
            article { padding: 25px 20px; }
            .footer-container { grid-template-columns: 1fr; gap: 30px; }
        }
        @media (max-width: 480px) {
            h1 { font-size: 2rem; }
            h2 { font-size: 1.7rem; }
            .container { padding: 0 15px; }
            .interactive-section { padding: 20px; }
            button { width: 100%; }
        }
        .text-center { text-align: center; }
        .mb-30 { margin-bottom: 30px; }
        .mt-30 { margin-top: 30px; }