:root {
            --primary-dark: #0a1428; 
            --primary-accent: #c89b3c; 
            --secondary-accent: #0397ab; 
            --bg-light: #f0f0f0;
            --text-dark: #1a1a1a;
            --text-light: #e6e6e6;
            --card-bg: #ffffff;
            --border-color: #d4af37;
            --success: #1a936f;
            --warning: #ee6c4d;
            --font-main: 'Segoe UI', Tahoma, Geneva, Verdana, sans-serif;
        }
        * {
            margin: 0;
            padding: 0;
            box-sizing: border-box;
        }
        html {
            scroll-behavior: smooth;
        }
        body {
            font-family: var(--font-main);
            line-height: 1.7;
            color: var(--text-dark);
            background-color: var(--bg-light);
            background-image: linear-gradient(to bottom, #0a1428 0%, #0a1428 200px, #f0f0f0 200px);
            background-repeat: no-repeat;
        }
        a {
            color: var(--secondary-accent);
            text-decoration: none;
            transition: color 0.3s ease, text-shadow 0.3s ease;
        }
        a:hover {
            color: var(--primary-accent);
            text-shadow: 0 0 8px rgba(200, 155, 60, 0.4);
        }
        .container {
            width: 100%;
            max-width: 1200px;
            margin: 0 auto;
            padding: 0 20px;
        }
        .site-header {
            background-color: rgba(10, 20, 40, 0.95);
            backdrop-filter: blur(10px);
            border-bottom: 2px solid var(--border-color);
            position: sticky;
            top: 0;
            z-index: 1000;
            padding: 1rem 0;
        }
        .header-content {
            display: flex;
            justify-content: space-between;
            align-items: center;
        }
        .my-logo {
            font-family: 'Cinzel', 'Times New Roman', serif;
            font-size: 2.2rem;
            font-weight: 700;
            color: var(--primary-accent);
            text-transform: uppercase;
            letter-spacing: 1.5px;
            text-shadow: 0 2px 4px rgba(0,0,0,0.5);
        }
        .my-logo a {
            color: inherit;
            display: flex;
            align-items: center;
            gap: 10px;
        }
        .my-logo a:hover {
            color: #e6d5b5;
        }
        .my-logo i {
            color: var(--secondary-accent);
        }
        .main-nav ul {
            display: flex;
            list-style: none;
            gap: 2rem;
        }
        .main-nav a {
            color: var(--text-light);
            font-weight: 600;
            padding: 0.5rem 0;
            position: relative;
        }
        .main-nav a::after {
            content: '';
            position: absolute;
            bottom: 0;
            left: 0;
            width: 0;
            height: 2px;
            background: var(--primary-accent);
            transition: width 0.3s ease;
        }
        .main-nav a:hover::after,
        .main-nav a:focus::after {
            width: 100%;
        }
        .hamburger {
            display: none;
            background: none;
            border: none;
            color: var(--text-light);
            font-size: 1.8rem;
            cursor: pointer;
            padding: 5px;
        }
        .breadcrumb {
            padding: 1rem 0;
            background-color: rgba(255,255,255,0.05);
            margin-bottom: 2rem;
            border-bottom: 1px solid rgba(212, 175, 55, 0.2);
        }
        .breadcrumb ul {
            display: flex;
            list-style: none;
            gap: 0.5rem;
            color: var(--text-light);
            font-size: 0.9rem;
        }
        .breadcrumb li:not(:last-child)::after {
            content: '›';
            margin-left: 0.5rem;
            color: var(--primary-accent);
        }
        .breadcrumb a {
            color: #a0c8ff;
        }
        main {
            background-color: var(--card-bg);
            border-radius: 12px 12px 0 0;
            box-shadow: 0 -5px 25px rgba(0, 0, 0, 0.1);
            padding: 3rem 2rem;
            margin-bottom: 3rem;
            position: relative;
            overflow: hidden;
        }
        main::before {
            content: '';
            position: absolute;
            top: 0;
            left: 0;
            width: 100%;
            height: 5px;
            background: linear-gradient(90deg, var(--primary-accent), var(--secondary-accent), var(--primary-accent));
        }
        h1 {
            color: var(--primary-dark);
            font-size: 2.8rem;
            margin-bottom: 1.5rem;
            line-height: 1.2;
            border-bottom: 3px solid var(--primary-accent);
            padding-bottom: 1rem;
        }
        h2 {
            color: var(--primary-dark);
            font-size: 2rem;
            margin: 2.5rem 0 1.2rem 0;
            padding-left: 15px;
            border-left: 5px solid var(--secondary-accent);
        }
        h3 {
            color: #333;
            font-size: 1.5rem;
            margin: 2rem 0 1rem 0;
        }
        h4 {
            color: #555;
            font-size: 1.2rem;
            margin: 1.5rem 0 0.8rem 0;
        }
        p {
            margin-bottom: 1.5rem;
            text-align: justify;
        }
        .article-intro {
            font-size: 1.2rem;
            color: #444;
            background: linear-gradient(to right, rgba(200, 155, 60, 0.1), transparent);
            padding: 1.5rem;
            border-radius: 8px;
            border-left: 4px solid var(--primary-accent);
            margin-bottom: 2.5rem;
        }
        .highlight-box {
            background-color: #f8f9fa;
            border: 1px solid #dee2e6;
            border-radius: 8px;
            padding: 1.5rem;
            margin: 2rem 0;
            border-top: 4px solid var(--primary-accent);
        }
        .content-img {
            max-width: 100%;
            height: auto;
            border-radius: 8px;
            border: 2px solid var(--border-color);
            box-shadow: 0 10px 20px rgba(0,0,0,0.15);
            display: block;
            margin: 2rem auto;
            transition: transform 0.5s ease, box-shadow 0.5s ease;
        }
        .content-img:hover {
            transform: scale(1.02);
            box-shadow: 0 15px 30px rgba(0,0,0,0.25);
        }
        .float-left {
            float: left;
            margin-right: 2rem;
            margin-bottom: 1rem;
            max-width: 50%;
        }
        .clearfix::after {
            content: "";
            clear: both;
            display: table;
        }
        em {
            font-style: italic;
            color: #666;
        }
        strong {
            color: var(--primary-dark);
            font-weight: 700;
        }
        blockquote {
            border-left: 4px solid var(--secondary-accent);
            padding-left: 1.5rem;
            margin: 2rem 0;
            color: #555;
            font-style: italic;
            background-color: rgba(3, 151, 171, 0.05);
            padding: 1.5rem;
            border-radius: 0 8px 8px 0;
        }
        .interactive-section {
            background-color: #f5f7fa;
            border-radius: 12px;
            padding: 2rem;
            margin: 3rem 0;
            border: 1px solid #d1d9e6;
        }
        .interactive-section h3 {
            margin-top: 0;
            color: var(--primary-dark);
        }
        .form-group {
            margin-bottom: 1.5rem;
        }
        .form-group label {
            display: block;
            margin-bottom: 0.5rem;
            font-weight: 600;
            color: #444;
        }
        .form-control {
            width: 100%;
            padding: 0.8rem 1rem;
            border: 1px solid #ccc;
            border-radius: 6px;
            font-family: inherit;
            font-size: 1rem;
            transition: border 0.3s ease, box-shadow 0.3s ease;
        }
        .form-control:focus {
            outline: none;
            border-color: var(--secondary-accent);
            box-shadow: 0 0 0 3px rgba(3, 151, 171, 0.2);
        }
        .btn {
            background: linear-gradient(to right, var(--primary-accent), #d4af37);
            color: var(--primary-dark);
            border: none;
            padding: 0.8rem 1.8rem;
            border-radius: 6px;
            font-weight: 700;
            cursor: pointer;
            transition: all 0.3s ease;
            display: inline-flex;
            align-items: center;
            gap: 8px;
        }
        .btn:hover {
            background: linear-gradient(to right, #d4af37, var(--primary-accent));
            transform: translateY(-3px);
            box-shadow: 0 7px 14px rgba(200, 155, 60, 0.3);
        }
        .rating {
            display: flex;
            gap: 5px;
            margin: 1rem 0;
        }
        .rating input {
            display: none;
        }
        .rating label {
            color: #ddd;
            font-size: 1.8rem;
            cursor: pointer;
            transition: color 0.2s;
        }
        .rating label:hover,
        .rating label:hover ~ label,
        .rating input:checked ~ label {
            color: var(--primary-accent);
        }
        footer {
            background-color: var(--primary-dark);
            color: var(--text-light);
            padding: 3rem 0 1.5rem;
            border-top: 3px solid var(--primary-accent);
        }
        .footer-content {
            display: grid;
            grid-template-columns: repeat(auto-fit, minmax(250px, 1fr));
            gap: 2rem;
            margin-bottom: 2rem;
        }
        .footer-section h4 {
            color: var(--primary-accent);
            margin-bottom: 1.5rem;
            font-size: 1.3rem;
        }
        .footer-links {
            list-style: none;
        }
        .footer-links li {
            margin-bottom: 0.8rem;
        }
        .footer-links a {
            color: #a0c8ff;
            display: flex;
            align-items: center;
            gap: 8px;
        }
        .footer-links a:hover {
            color: white;
            padding-left: 5px;
        }
        friend-link {
            display: block;
            background-color: rgba(255,255,255,0.05);
            padding: 1rem;
            border-radius: 6px;
            margin-bottom: 1rem;
            border-left: 3px solid var(--secondary-accent);
        }
        friend-link a {
            color: var(--text-light);
            font-weight: 600;
        }
        .copyright {
            text-align: center;
            padding-top: 1.5rem;
            border-top: 1px solid rgba(255,255,255,0.1);
            color: #aaa;
            font-size: 0.9rem;
        }
        .update-time {
            background-color: rgba(200, 155, 60, 0.1);
            padding: 0.8rem;
            border-radius: 6px;
            text-align: center;
            margin: 2rem 0;
            font-style: italic;
            color: #666;
        }
        @media (max-width: 992px) {
            h1 { font-size: 2.4rem; }
            h2 { font-size: 1.8rem; }
            .main-nav ul { gap: 1rem; }
        }
        @media (max-width: 768px) {
            .hamburger { display: block; }
            .main-nav {
                position: fixed;
                top: 80px;
                left: -100%;
                width: 100%;
                background-color: rgba(10, 20, 40, 0.98);
                transition: left 0.4s ease;
                padding: 2rem;
                z-index: 999;
            }
            .main-nav.active { left: 0; }
            .main-nav ul {
                flex-direction: column;
                gap: 1.5rem;
            }
            .header-content { padding: 0 15px; }
            .float-left {
                float: none;
                margin-right: 0;
                max-width: 100%;
            }
            main { padding: 2rem 1rem; }
        }
        @media (max-width: 480px) {
            h1 { font-size: 2rem; }
            h2 { font-size: 1.6rem; }
            .my-logo { font-size: 1.7rem; }
            .interactive-section { padding: 1.5rem; }
        }