:root {
            --primary-dark: #0a1a2a;
            --primary-accent: #ff9d00;
            --secondary-accent: #00b4d8;
            --text-light: #f8f9fa;
            --text-gray: #adb5bd;
            --bg-card: #1a2b3c;
            --border-color: #2d4054;
            --success: #4cc9f0;
        }
        * {
            margin: 0;
            padding: 0;
            box-sizing: border-box;
            font-family: 'Segoe UI', system-ui, sans-serif;
        }
        body {
            background: linear-gradient(135deg, var(--primary-dark) 0%, #162d44 100%);
            color: var(--text-light);
            line-height: 1.7;
            overflow-x: hidden;
        }
        a {
            color: var(--secondary-accent);
            text-decoration: none;
            transition: all 0.3s ease;
        }
        a:hover {
            color: var(--primary-accent);
            text-shadow: 0 0 8px rgba(255, 157, 0, 0.3);
        }
        .container {
            width: 100%;
            max-width: 1280px;
            margin: 0 auto;
            padding: 0 20px;
        }
        .site-header {
            background: rgba(10, 26, 42, 0.95);
            backdrop-filter: blur(10px);
            border-bottom: 2px solid var(--primary-accent);
            position: sticky;
            top: 0;
            z-index: 1000;
            padding: 15px 0;
        }
        .header-inner {
            display: flex;
            justify-content: space-between;
            align-items: center;
        }
        .my-logo {
            font-size: 2.2rem;
            font-weight: 900;
            background: linear-gradient(90deg, var(--primary-accent), #ffdd00);
            -webkit-background-clip: text;
            background-clip: text;
            color: transparent;
            text-transform: uppercase;
            letter-spacing: 1px;
            text-decoration: none;
            display: flex;
            align-items: center;
            gap: 10px;
        }
        .my-logo:hover {
            transform: scale(1.03);
        }
        .my-logo i {
            color: var(--secondary-accent);
            font-size: 2rem;
        }
        .main-nav ul {
            display: flex;
            list-style: none;
            gap: 30px;
        }
        .main-nav a {
            color: var(--text-light);
            font-weight: 600;
            padding: 8px 5px;
            border-bottom: 2px solid transparent;
        }
        .main-nav a:hover, .main-nav a.active {
            color: var(--primary-accent);
            border-bottom-color: var(--primary-accent);
        }
        .hamburger {
            display: none;
            background: none;
            border: none;
            color: var(--text-light);
            font-size: 1.8rem;
            cursor: pointer;
        }
        .breadcrumb {
            padding: 15px 0;
            background: rgba(26, 43, 60, 0.6);
            margin-bottom: 30px;
            font-size: 0.9rem;
        }
        .breadcrumb ol {
            display: flex;
            list-style: none;
            flex-wrap: wrap;
            gap: 10px;
        }
        .breadcrumb li:not(:last-child)::after {
            content: '›';
            margin-left: 10px;
            color: var(--text-gray);
        }
        .search-module {
            background: var(--bg-card);
            border-radius: 12px;
            padding: 25px;
            margin: 30px 0;
            border: 1px solid var(--border-color);
            box-shadow: 0 10px 25px rgba(0, 0, 0, 0.3);
        }
        .search-form {
            display: flex;
            gap: 10px;
        }
        .search-form input {
            flex-grow: 1;
            padding: 15px 20px;
            border: 2px solid var(--border-color);
            border-radius: 50px;
            background: rgba(255, 255, 255, 0.05);
            color: var(--text-light);
            font-size: 1rem;
            transition: all 0.3s;
        }
        .search-form input:focus {
            outline: none;
            border-color: var(--secondary-accent);
            box-shadow: 0 0 0 3px rgba(0, 180, 216, 0.2);
        }
        .search-form button {
            background: linear-gradient(90deg, var(--secondary-accent), #0096c7);
            color: white;
            border: none;
            border-radius: 50px;
            padding: 0 30px;
            font-weight: bold;
            cursor: pointer;
            transition: transform 0.3s;
        }
        .search-form button:hover {
            transform: translateY(-2px);
            box-shadow: 0 5px 15px rgba(0, 180, 216, 0.4);
        }
        .article-content {
            background: var(--bg-card);
            border-radius: 16px;
            padding: 40px;
            margin-bottom: 40px;
            border: 1px solid var(--border-color);
            box-shadow: 0 15px 35px rgba(0, 0, 0, 0.4);
        }
        h1 {
            font-size: 3.2rem;
            margin-bottom: 25px;
            line-height: 1.2;
            color: var(--text-light);
            text-shadow: 0 2px 10px rgba(0, 0, 0, 0.5);
            border-left: 5px solid var(--primary-accent);
            padding-left: 20px;
        }
        h2 {
            font-size: 2.3rem;
            margin: 50px 0 20px;
            color: var(--primary-accent);
            padding-bottom: 10px;
            border-bottom: 2px dashed var(--border-color);
        }
        h3 {
            font-size: 1.8rem;
            margin: 35px 0 15px;
            color: var(--success);
        }
        h4 {
            font-size: 1.4rem;
            margin: 25px 0 12px;
            color: var(--text-gray);
        }
        p {
            margin-bottom: 22px;
            font-size: 1.1rem;
            text-align: justify;
        }
        .lead {
            font-size: 1.4rem;
            color: var(--secondary-accent);
            font-weight: 300;
            margin-bottom: 35px;
            line-height: 1.6;
        }
        .highlight {
            background: linear-gradient(90deg, rgba(255,157,0,0.15), transparent);
            border-left: 4px solid var(--primary-accent);
            padding: 20px;
            border-radius: 0 8px 8px 0;
            margin: 25px 0;
        }
        .stats-box {
            display: grid;
            grid-template-columns: repeat(auto-fit, minmax(250px, 1fr));
            gap: 20px;
            margin: 30px 0;
        }
        .stat-card {
            background: rgba(0, 180, 216, 0.1);
            border: 1px solid var(--secondary-accent);
            border-radius: 10px;
            padding: 20px;
            text-align: center;
        }
        .stat-card h4 {
            color: var(--success);
            font-size: 2.5rem;
            margin: 10px 0;
        }
        .content-link {
            color: var(--success);
            font-weight: 600;
            border-bottom: 1px dotted var(--success);
            padding-bottom: 1px;
        }
        .content-link:hover {
            border-bottom-style: solid;
        }
        .article-hero {
            width: 100%;
            max-height: 500px;
            object-fit: cover;
            border-radius: 12px;
            margin: 30px 0;
            border: 2px solid var(--border-color);
            box-shadow: 0 10px 20px rgba(0,0,0,0.5);
        }
        .interaction-module {
            display: grid;
            grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
            gap: 25px;
            margin: 50px 0;
        }
        .module {
            background: rgba(26, 43, 60, 0.7);
            border-radius: 12px;
            padding: 25px;
            border: 1px solid var(--border-color);
        }
        .module h3 {
            margin-top: 0;
            display: flex;
            align-items: center;
            gap: 10px;
        }
        .module form {
            display: flex;
            flex-direction: column;
            gap: 15px;
        }
        textarea, input[type="text"], input[type="number"] {
            padding: 15px;
            border-radius: 8px;
            border: 1px solid var(--border-color);
            background: rgba(255,255,255,0.05);
            color: var(--text-light);
            font-size: 1rem;
            width: 100%;
        }
        textarea {
            min-height: 120px;
            resize: vertical;
        }
        .rating {
            display: flex;
            justify-content: center;
            gap: 10px;
            margin: 15px 0;
        }
        .rating input {
            display: none;
        }
        .rating label {
            font-size: 2rem;
            color: var(--border-color);
            cursor: pointer;
            transition: color 0.3s;
        }
        .rating label:hover,
        .rating label:hover ~ label,
        .rating input:checked ~ label {
            color: var(--primary-accent);
        }
        .submit-btn {
            background: linear-gradient(90deg, var(--primary-accent), #ff7b00);
            color: white;
            border: none;
            padding: 15px;
            border-radius: 8px;
            font-weight: bold;
            font-size: 1.1rem;
            cursor: pointer;
            transition: transform 0.3s;
            margin-top: 10px;
        }
        .submit-btn:hover {
            transform: translateY(-3px);
        }
        .site-footer {
            background: #0c1521;
            border-top: 2px solid var(--border-color);
            padding: 50px 0 25px;
            margin-top: 60px;
        }
        .footer-content {
            display: grid;
            grid-template-columns: repeat(auto-fit, minmax(250px, 1fr));
            gap: 40px;
            margin-bottom: 40px;
        }
        .footer-logo {
            font-size: 2rem;
            font-weight: 900;
            color: var(--primary-accent);
            margin-bottom: 20px;
            display: block;
        }
        friend-link {
            display: inline-block;
            background: rgba(255, 157, 0, 0.1);
            padding: 10px 20px;
            border-radius: 50px;
            margin: 5px 10px 5px 0;
            border: 1px solid rgba(255, 157, 0, 0.3);
        }
        .copyright {
            text-align: center;
            padding-top: 25px;
            border-top: 1px solid var(--border-color);
            color: var(--text-gray);
            font-size: 0.9rem;
        }
        .update-time {
            text-align: right;
            color: var(--text-gray);
            font-style: italic;
            margin-top: 30px;
            font-size: 0.95rem;
        }
        @media (max-width: 992px) {
            h1 { font-size: 2.7rem; }
            h2 { font-size: 2rem; }
            .main-nav ul { gap: 15px; }
        }
        @media (max-width: 768px) {
            .hamburger { display: block; }
            .main-nav {
                position: fixed;
                top: 80px;
                left: 0;
                width: 100%;
                background: var(--primary-dark);
                border-top: 1px solid var(--border-color);
                padding: 20px;
                transform: translateY(-150%);
                opacity: 0;
                transition: all 0.4s ease;
                z-index: 999;
            }
            .main-nav.active {
                transform: translateY(0);
                opacity: 1;
            }
            .main-nav ul {
                flex-direction: column;
                gap: 0;
            }
            .main-nav li {
                width: 100%;
                border-bottom: 1px solid var(--border-color);
            }
            .main-nav a {
                display: block;
                padding: 15px;
            }
            .header-inner {
                flex-wrap: wrap;
            }
            .article-content {
                padding: 25px;
            }
            .interaction-module {
                grid-template-columns: 1fr;
            }
        }
        @media (max-width: 576px) {
            .container { padding: 0 15px; }
            h1 { font-size: 2.2rem; }
            h2 { font-size: 1.8rem; }
            .search-form { flex-direction: column; }
            .search-form button { padding: 15px; }
            .stats-box { grid-template-columns: 1fr; }
        }