:root {
            --primary-blue: #006994;
            --secondary-gold: #c9a227;
            --dark-navy: #0a1a2a;
            --light-sand: #f5e8c8;
            --accent-red: #b83d3d;
            --text-light: #f0f0f0;
            --text-dark: #222;
            --shadow: 0 4px 12px rgba(0, 0, 0, 0.15);
            --transition: all 0.3s ease;
        }
        * {
            margin: 0;
            padding: 0;
            box-sizing: border-box;
        }
        body {
            font-family: 'Segoe UI', Tahoma, Geneva, Verdana, sans-serif;
            line-height: 1.7;
            color: var(--text-dark);
            background: linear-gradient(135deg, #0a1a2a 0%, #1a3a5a 100%);
            min-height: 100vh;
        }
        .container {
            max-width: 1200px;
            margin: 0 auto;
            padding: 0 20px;
        }
        .site-header {
            background-color: rgba(10, 26, 42, 0.95);
            padding: 1rem 0;
            position: sticky;
            top: 0;
            z-index: 1000;
            backdrop-filter: blur(10px);
            border-bottom: 2px solid var(--secondary-gold);
        }
        .header-container {
            display: flex;
            justify-content: space-between;
            align-items: center;
        }
        .my-logo {
            font-size: 2.2rem;
            font-weight: 800;
            color: var(--text-light);
            text-decoration: none;
            text-transform: uppercase;
            letter-spacing: 2px;
            display: flex;
            align-items: center;
            gap: 10px;
            transition: var(--transition);
        }
        .my-logo:hover {
            color: var(--secondary-gold);
            transform: scale(1.03);
        }
        .my-logo i {
            color: var(--secondary-gold);
        }
        .main-nav ul {
            display: flex;
            list-style: none;
            gap: 2rem;
        }
        .main-nav a {
            color: var(--text-light);
            text-decoration: none;
            font-weight: 600;
            font-size: 1.1rem;
            padding: 0.5rem 1rem;
            border-radius: 4px;
            transition: var(--transition);
        }
        .main-nav a:hover,
        .main-nav a.active {
            background-color: var(--primary-blue);
            color: white;
        }
        .hamburger {
            display: none;
            background: none;
            border: none;
            color: var(--text-light);
            font-size: 1.8rem;
            cursor: pointer;
        }
        .breadcrumb {
            padding: 1rem 0;
            background-color: rgba(255, 255, 255, 0.05);
            margin-bottom: 2rem;
        }
        .breadcrumb ul {
            display: flex;
            list-style: none;
            flex-wrap: wrap;
            gap: 0.5rem;
        }
        .breadcrumb li {
            display: flex;
            align-items: center;
            color: var(--light-sand);
        }
        .breadcrumb a {
            color: var(--secondary-gold);
            text-decoration: none;
        }
        .breadcrumb a:hover {
            text-decoration: underline;
        }
        .breadcrumb .separator {
            margin: 0 0.5rem;
            color: var(--primary-blue);
        }
        main {
            background-color: rgba(245, 232, 200, 0.95);
            border-radius: 12px;
            padding: 3rem;
            margin: 2rem 0;
            box-shadow: var(--shadow);
        }
        article {
            max-width: 1000px;
            margin: 0 auto;
        }
        h1 {
            color: var(--dark-navy);
            font-size: 3.2rem;
            margin-bottom: 1.5rem;
            line-height: 1.2;
            text-align: center;
            border-bottom: 4px solid var(--secondary-gold);
            padding-bottom: 1rem;
        }
        .article-meta {
            display: flex;
            justify-content: space-between;
            align-items: center;
            padding: 1rem 0;
            border-bottom: 1px solid #ddd;
            margin-bottom: 2rem;
            color: #555;
            font-size: 0.95rem;
        }
        .update-time {
            color: var(--accent-red);
            font-weight: bold;
        }
        h2 {
            color: var(--primary-blue);
            font-size: 2.4rem;
            margin: 2.5rem 0 1.2rem;
            padding-bottom: 0.5rem;
            border-bottom: 2px dashed var(--primary-blue);
        }
        h3 {
            color: var(--dark-navy);
            font-size: 1.8rem;
            margin: 2rem 0 1rem;
        }
        h4 {
            color: #444;
            font-size: 1.4rem;
            margin: 1.5rem 0 0.8rem;
        }
        p {
            margin-bottom: 1.5rem;
            text-align: justify;
            font-size: 1.1rem;
        }
        .intro {
            font-size: 1.3rem;
            color: var(--dark-navy);
            background-color: rgba(0, 105, 148, 0.1);
            padding: 1.5rem;
            border-left: 5px solid var(--primary-blue);
            border-radius: 0 8px 8px 0;
            margin-bottom: 2.5rem;
        }
        .highlight {
            background-color: rgba(201, 162, 39, 0.15);
            padding: 1.5rem;
            border-radius: 8px;
            border-left: 4px solid var(--secondary-gold);
            margin: 1.5rem 0;
        }
        .highlight strong {
            color: var(--accent-red);
        }
        .feature-img {
            width: 100%;
            max-height: 500px;
            object-fit: cover;
            border-radius: 12px;
            margin: 2rem 0;
            border: 3px solid var(--dark-navy);
            box-shadow: var(--shadow);
        }
        .content-img {
            float: right;
            width: 45%;
            max-width: 500px;
            margin: 1rem 0 1.5rem 2rem;
            border-radius: 8px;
            border: 2px solid var(--primary-blue);
        }
        .clearfix::after {
            content: "";
            clear: both;
            display: table;
        }
        .tip-box {
            background: linear-gradient(to right, #0a1a2a, #1a3a5a);
            color: white;
            padding: 1.8rem;
            border-radius: 10px;
            margin: 2rem 0;
            box-shadow: var(--shadow);
        }
        .tip-box h4 {
            color: var(--secondary-gold);
            margin-top: 0;
        }
        .quote {
            font-style: italic;
            font-size: 1.3rem;
            color: var(--primary-blue);
            text-align: center;
            padding: 2rem;
            border-top: 2px solid var(--secondary-gold);
            border-bottom: 2px solid var(--secondary-gold);
            margin: 3rem 0;
        }
        .link-list {
            background-color: white;
            padding: 2rem;
            border-radius: 10px;
            margin: 2rem 0;
            box-shadow: var(--shadow);
        }
        .link-list ul {
            display: grid;
            grid-template-columns: repeat(auto-fill, minmax(250px, 1fr));
            gap: 1rem;
            list-style: none;
        }
        .link-list a {
            display: block;
            padding: 1rem;
            background-color: #f0f0f0;
            color: var(--dark-navy);
            text-decoration: none;
            border-radius: 6px;
            transition: var(--transition);
            font-weight: 600;
        }
        .link-list a:hover {
            background-color: var(--primary-blue);
            color: white;
            transform: translateY(-3px);
        }
        .interactive-section {
            background-color: white;
            border-radius: 12px;
            padding: 2.5rem;
            margin: 3rem 0;
            box-shadow: var(--shadow);
        }
        .interactive-section h3 {
            text-align: center;
            color: var(--primary-blue);
        }
        .search-box, .comment-box, .rating-box {
            margin: 2rem 0;
            padding: 2rem;
            background-color: #f9f9f9;
            border-radius: 10px;
            border: 1px solid #ddd;
        }
        .search-box form, .comment-box form, .rating-box form {
            display: flex;
            flex-wrap: wrap;
            gap: 1rem;
            align-items: center;
        }
        .search-box input, .comment-box textarea, .comment-box input, .rating-box select {
            flex: 1;
            min-width: 250px;
            padding: 0.9rem 1.2rem;
            border: 2px solid #ccc;
            border-radius: 6px;
            font-size: 1rem;
            transition: var(--transition);
        }
        .search-box input:focus, .comment-box textarea:focus, .comment-box input:focus, .rating-box select:focus {
            border-color: var(--primary-blue);
            outline: none;
            box-shadow: 0 0 0 3px rgba(0, 105, 148, 0.2);
        }
        .comment-box textarea {
            min-height: 150px;
            width: 100%;
            font-family: inherit;
        }
        .btn {
            background-color: var(--primary-blue);
            color: white;
            border: none;
            padding: 1rem 2rem;
            border-radius: 6px;
            font-size: 1.1rem;
            font-weight: 600;
            cursor: pointer;
            transition: var(--transition);
            display: inline-flex;
            align-items: center;
            gap: 0.7rem;
        }
        .btn:hover {
            background-color: var(--secondary-gold);
            color: var(--dark-navy);
            transform: translateY(-3px);
            box-shadow: 0 6px 12px rgba(0, 0, 0, 0.15);
        }
        .rating-stars {
            display: flex;
            gap: 0.5rem;
            margin: 1rem 0;
            font-size: 2rem;
            color: #ffc107;
        }
        .rating-stars i {
            cursor: pointer;
            transition: var(--transition);
        }
        .rating-stars i:hover {
            transform: scale(1.2);
        }
        .site-footer {
            background-color: var(--dark-navy);
            color: var(--text-light);
            padding: 3rem 0 1.5rem;
            margin-top: 4rem;
        }
        .footer-container {
            display: grid;
            grid-template-columns: repeat(auto-fit, minmax(250px, 1fr));
            gap: 2.5rem;
            margin-bottom: 2rem;
        }
        .footer-section h4 {
            color: var(--secondary-gold);
            margin-bottom: 1.5rem;
            font-size: 1.4rem;
        }
        .footer-links {
            list-style: none;
        }
        .footer-links li {
            margin-bottom: 0.8rem;
        }
        .footer-links a {
            color: #ccc;
            text-decoration: none;
            transition: var(--transition);
        }
        .footer-links a:hover {
            color: var(--secondary-gold);
            padding-left: 0.5rem;
        }
        friend-link {
            display: block;
            background-color: rgba(255, 255, 255, 0.05);
            padding: 1.5rem;
            border-radius: 8px;
            margin: 1rem 0;
        }
        friend-link a {
            color: var(--secondary-gold);
            font-weight: bold;
            text-decoration: none;
        }
        friend-link a:hover {
            text-decoration: underline;
        }
        .copyright {
            text-align: center;
            padding-top: 2rem;
            border-top: 1px solid rgba(255, 255, 255, 0.1);
            color: #aaa;
            font-size: 0.9rem;
        }
        @media (max-width: 992px) {
            h1 { font-size: 2.8rem; }
            h2 { font-size: 2.2rem; }
            main { padding: 2rem; }
            .content-img { float: none; width: 100%; margin: 1.5rem 0; }
        }
        @media (max-width: 768px) {
            .main-nav ul {
                display: none;
                flex-direction: column;
                position: absolute;
                top: 100%;
                left: 0;
                width: 100%;
                background-color: var(--dark-navy);
                padding: 1rem;
                box-shadow: var(--shadow);
            }
            .main-nav.active ul {
                display: flex;
            }
            .hamburger {
                display: block;
            }
            h1 { font-size: 2.4rem; }
            h2 { font-size: 2rem; }
            h3 { font-size: 1.6rem; }
            .intro { font-size: 1.1rem; }
            .search-box form, .comment-box form, .rating-box form {
                flex-direction: column;
                align-items: stretch;
            }
            .search-box input, .comment-box textarea, .comment-box input, .rating-box select {
                min-width: auto;
                width: 100%;
            }
        }
        @media (max-width: 480px) {
            .container { padding: 0 15px; }
            main { padding: 1.5rem; }
            h1 { font-size: 2rem; }
            .article-meta { flex-direction: column; gap: 0.5rem; align-items: flex-start; }
        }