:root {
            --primary: #1a365d;
            --secondary: #c53030;
            --accent: #f6ad55;
            --light: #f7fafc;
            --dark: #2d3748;
            --gray: #a0aec0;
            --success: #48bb78;
            --shadow: 0 4px 6px rgba(0, 0, 0, 0.1);
            --radius: 8px;
            --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: 1.6;
            color: var(--dark);
            background: linear-gradient(135deg, #0f2027 0%, #203a43 50%, #2c5364 100%);
            background-attachment: fixed;
            min-height: 100vh;
        }
        .container {
            width: 100%;
            max-width: 1200px;
            margin: 0 auto;
            padding: 0 20px;
        }
        header {
            background: rgba(26, 54, 93, 0.95);
            backdrop-filter: blur(10px);
            padding: 1rem 0;
            position: sticky;
            top: 0;
            z-index: 1000;
            border-bottom: 3px solid var(--accent);
        }
        .header-content {
            display: flex;
            justify-content: space-between;
            align-items: center;
        }
        .my-logo {
            font-family: 'Impact', 'Arial Black', sans-serif;
            font-size: 2.2rem;
            color: white;
            text-decoration: none;
            display: flex;
            align-items: center;
            gap: 10px;
            text-shadow: 2px 2px 4px rgba(0,0,0,0.5);
            transition: var(--transition);
        }
        .my-logo:hover {
            color: var(--accent);
            transform: translateY(-2px);
        }
        .my-logo i {
            color: var(--secondary);
        }
        .my-logo span {
            background: linear-gradient(90deg, #fff, var(--accent));
            -webkit-background-clip: text;
            -webkit-text-fill-color: transparent;
        }
        .breadcrumb {
            padding: 0.8rem 0;
            background: rgba(255,255,255,0.05);
            font-size: 0.9rem;
            margin-bottom: 1.5rem;
        }
        .breadcrumb a {
            color: var(--accent);
            text-decoration: none;
        }
        .breadcrumb a:hover {
            text-decoration: underline;
        }
        nav ul {
            display: flex;
            list-style: none;
            gap: 1.5rem;
        }
        nav a {
            color: white;
            text-decoration: none;
            font-weight: 600;
            padding: 0.5rem 1rem;
            border-radius: var(--radius);
            transition: var(--transition);
            display: flex;
            align-items: center;
            gap: 0.5rem;
        }
        nav a:hover, nav a.active {
            background: var(--secondary);
            color: white;
        }
        .hamburger {
            display: none;
            background: none;
            border: none;
            color: white;
            font-size: 1.8rem;
            cursor: pointer;
        }
        @media (max-width: 768px) {
            .hamburger {
                display: block;
            }
            nav ul {
                position: fixed;
                top: 70px;
                left: -100%;
                flex-direction: column;
                background: var(--primary);
                width: 100%;
                padding: 1rem;
                transition: 0.5s;
                box-shadow: var(--shadow);
                z-index: 999;
            }
            nav ul.active {
                left: 0;
            }
            nav a {
                justify-content: center;
                padding: 1rem;
            }
        }
        main {
            display: grid;
            grid-template-columns: 1fr 300px;
            gap: 2.5rem;
            margin: 2rem 0;
        }
        @media (max-width: 992px) {
            main {
                grid-template-columns: 1fr;
            }
        }
        .content-area {
            background: rgba(255, 255, 255, 0.97);
            border-radius: var(--radius);
            padding: 2.5rem;
            box-shadow: var(--shadow);
        }
        .sidebar {
            background: rgba(255, 255, 255, 0.97);
            border-radius: var(--radius);
            padding: 1.5rem;
            box-shadow: var(--shadow);
            align-self: start;
        }
        h1 {
            font-size: 2.8rem;
            color: var(--primary);
            margin-bottom: 1.5rem;
            border-bottom: 3px solid var(--accent);
            padding-bottom: 0.5rem;
        }
        h2 {
            font-size: 2rem;
            color: var(--secondary);
            margin: 2rem 0 1rem;
            padding-left: 0.5rem;
            border-left: 5px solid var(--primary);
        }
        h3 {
            font-size: 1.5rem;
            color: var(--primary);
            margin: 1.5rem 0 0.8rem;
        }
        h4 {
            font-size: 1.2rem;
            color: var(--dark);
            margin: 1.2rem 0 0.5rem;
        }
        p {
            margin-bottom: 1.2rem;
            text-align: justify;
        }
        .lead {
            font-size: 1.2rem;
            color: var(--dark);
            font-weight: 500;
            background: rgba(246, 173, 85, 0.1);
            padding: 1rem;
            border-left: 4px solid var(--accent);
            border-radius: 0 var(--radius) var(--radius) 0;
            margin-bottom: 2rem;
        }
        .highlight {
            background: linear-gradient(120deg, rgba(246, 173, 85, 0.3) 0%, rgba(246, 173, 85, 0) 100%);
            padding: 0.2rem 0.5rem;
            border-radius: 3px;
        }
        .emoji {
            font-size: 1.2em;
            margin-right: 0.3rem;
        }
        .article-img {
            width: 100%;
            max-height: 500px;
            object-fit: cover;
            border-radius: var(--radius);
            margin: 2rem 0;
            border: 3px solid var(--primary);
            transition: var(--transition);
        }
        .article-img:hover {
            transform: scale(1.01);
            box-shadow: 0 8px 15px rgba(0,0,0,0.2);
        }
        a {
            color: var(--secondary);
            text-decoration: none;
            transition: var(--transition);
        }
        a:hover {
            color: var(--primary);
            text-decoration: underline;
        }
        .link-list {
            display: grid;
            grid-template-columns: repeat(auto-fill, minmax(250px, 1fr));
            gap: 1rem;
            margin: 2rem 0;
        }
        .link-card {
            background: rgba(26, 54, 93, 0.05);
            padding: 1rem;
            border-radius: var(--radius);
            border-left: 4px solid var(--secondary);
            transition: var(--transition);
        }
        .link-card:hover {
            background: rgba(26, 54, 93, 0.1);
            transform: translateY(-3px);
        }
        .link-card a {
            font-weight: 600;
            display: block;
            margin-bottom: 0.5rem;
        }
        .form-section {
            background: rgba(247, 250, 252, 0.9);
            border: 1px solid var(--gray);
            border-radius: var(--radius);
            padding: 1.5rem;
            margin: 2rem 0;
        }
        .form-title {
            display: flex;
            align-items: center;
            gap: 0.8rem;
            margin-bottom: 1.2rem;
            color: var(--primary);
        }
        .form-group {
            margin-bottom: 1.2rem;
        }
        label {
            display: block;
            margin-bottom: 0.5rem;
            font-weight: 600;
            color: var(--dark);
        }
        input, textarea, select {
            width: 100%;
            padding: 0.8rem;
            border: 1px solid var(--gray);
            border-radius: var(--radius);
            font-family: inherit;
            transition: var(--transition);
        }
        input:focus, textarea:focus, select:focus {
            outline: none;
            border-color: var(--secondary);
            box-shadow: 0 0 0 3px rgba(197, 48, 48, 0.2);
        }
        button, .btn {
            background: linear-gradient(135deg, var(--primary), #2d4a7a);
            color: white;
            border: none;
            padding: 0.8rem 1.8rem;
            border-radius: var(--radius);
            font-weight: 600;
            cursor: pointer;
            transition: var(--transition);
            display: inline-flex;
            align-items: center;
            gap: 0.5rem;
        }
        button:hover, .btn:hover {
            background: linear-gradient(135deg, var(--secondary), #d53f3f);
            transform: translateY(-2px);
            box-shadow: var(--shadow);
        }
        .rating-stars {
            display: flex;
            gap: 0.5rem;
            margin: 1rem 0;
        }
        .rating-stars input {
            display: none;
        }
        .rating-stars label {
            font-size: 1.8rem;
            color: var(--gray);
            cursor: pointer;
            transition: var(--transition);
        }
        .rating-stars input:checked ~ label,
        .rating-stars label:hover,
        .rating-stars label:hover ~ label {
            color: var(--accent);
        }
        .widget {
            margin-bottom: 2rem;
            padding-bottom: 1.5rem;
            border-bottom: 1px solid var(--gray);
        }
        .widget:last-child {
            border-bottom: none;
        }
        .widget-title {
            color: var(--primary);
            margin-bottom: 1rem;
            padding-bottom: 0.5rem;
            border-bottom: 2px solid var(--accent);
        }
        .update-time {
            background: rgba(72, 187, 120, 0.1);
            padding: 1rem;
            border-radius: var(--radius);
            text-align: center;
            font-weight: 600;
            color: var(--success);
            margin-bottom: 1.5rem;
        }
        footer {
            background: var(--primary);
            color: white;
            padding: 3rem 0 2rem;
            margin-top: 3rem;
        }
        .footer-content {
            display: grid;
            grid-template-columns: repeat(auto-fit, minmax(250px, 1fr));
            gap: 2rem;
            margin-bottom: 2rem;
        }
        .footer-section h3 {
            color: var(--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: #cbd5e0;
            text-decoration: none;
            transition: var(--transition);
        }
        .footer-links a:hover {
            color: white;
            padding-left: 0.5rem;
        }
        friend-link {
            display: inline-block;
            background: rgba(255,255,255,0.1);
            padding: 0.5rem 1rem;
            border-radius: var(--radius);
            margin: 0.3rem;
            transition: var(--transition);
        }
        friend-link:hover {
            background: rgba(255,255,255,0.2);
        }
        friend-link a {
            color: var(--accent);
        }
        .copyright {
            text-align: center;
            padding-top: 2rem;
            border-top: 1px solid rgba(255,255,255,0.1);
            font-size: 0.9rem;
            color: var(--gray);
        }