* {
            margin: 0;
            padding: 0;
            box-sizing: border-box;
            font-family: 'Segoe UI', Tahoma, Geneva, Verdana, sans-serif;
        }
        :root {
            --primary-blue: #0a2e5c;
            --secondary-blue: #1a5fb4;
            --accent-gold: #e6b422;
            --accent-red: #c93c3c;
            --light-bg: #f5f7fa;
            --dark-text: #2c3e50;
            --gray-text: #7f8c8d;
            --border-color: #dcdde1;
        }
        body {
            background-color: var(--light-bg);
            color: var(--dark-text);
            line-height: 1.7;
        }
        .container {
            max-width: 1200px;
            margin: 0 auto;
            padding: 0 20px;
        }
        .site-header {
            background: linear-gradient(135deg, var(--primary-blue) 0%, #1a365d 100%);
            color: white;
            padding: 1rem 0;
            box-shadow: 0 4px 12px rgba(0, 0, 0, 0.1);
            position: sticky;
            top: 0;
            z-index: 1000;
        }
        .header-content {
            display: flex;
            justify-content: space-between;
            align-items: center;
        }
        .my-logo {
            font-size: 2rem;
            font-weight: 800;
            background: linear-gradient(to right, var(--accent-gold), #ffdd59);
            -webkit-background-clip: text;
            background-clip: text;
            color: transparent;
            text-decoration: none;
            letter-spacing: 1px;
        }
        .my-logo:hover {
            text-shadow: 0 0 8px rgba(230, 180, 34, 0.4);
        }
        .breadcrumb {
            padding: 1rem 0;
            font-size: 0.9rem;
            color: var(--gray-text);
        }
        .breadcrumb a {
            color: var(--secondary-blue);
            text-decoration: none;
        }
        .breadcrumb a:hover {
            text-decoration: underline;
        }
        .main-nav {
            display: flex;
            gap: 2rem;
        }
        .main-nav a {
            color: white;
            text-decoration: none;
            font-weight: 600;
            padding: 0.5rem 0;
            position: relative;
            transition: color 0.3s;
        }
        .main-nav a:hover {
            color: var(--accent-gold);
        }
        .main-nav a::after {
            content: '';
            position: absolute;
            bottom: 0;
            left: 0;
            width: 0;
            height: 2px;
            background: var(--accent-gold);
            transition: width 0.3s;
        }
        .main-nav a:hover::after {
            width: 100%;
        }
        .hamburger {
            display: none;
            background: none;
            border: none;
            color: white;
            font-size: 1.8rem;
            cursor: pointer;
        }
        .hero-section {
            background: url('https://images.unsplash.com/photo-1566378246598-5b11a0b486ae?ixlib=rb-4.0.3&auto=format&fit=crop&w=1200&q=80') center/cover no-repeat;
            padding: 4rem 2rem;
            border-radius: 0 0 20px 20px;
            margin-bottom: 3rem;
            position: relative;
            color: white;
            text-align: center;
        }
        .hero-section::before {
            content: '';
            position: absolute;
            top: 0;
            left: 0;
            right: 0;
            bottom: 0;
            background: rgba(10, 46, 92, 0.85);
            border-radius: 0 0 20px 20px;
        }
        .hero-content {
            position: relative;
            z-index: 1;
        }
        .hero-section h1 {
            font-size: 3.2rem;
            margin-bottom: 1rem;
            text-shadow: 2px 2px 4px rgba(0, 0, 0, 0.5);
        }
        .hero-section p {
            font-size: 1.2rem;
            max-width: 800px;
            margin: 0 auto 2rem;
        }
        .search-box {
            max-width: 600px;
            margin: 2rem auto;
            display: flex;
            box-shadow: 0 8px 20px rgba(0, 0, 0, 0.15);
            border-radius: 50px;
            overflow: hidden;
        }
        .search-box input {
            flex-grow: 1;
            padding: 1rem 1.5rem;
            border: none;
            font-size: 1rem;
        }
        .search-box button {
            background-color: var(--accent-red);
            color: white;
            border: none;
            padding: 0 2rem;
            cursor: pointer;
            font-weight: 600;
            transition: background-color 0.3s;
        }
        .search-box button:hover {
            background-color: #a83232;
        }
        .content-wrapper {
            display: grid;
            grid-template-columns: 1fr 300px;
            gap: 3rem;
            margin-bottom: 4rem;
        }
        main {
            background: white;
            padding: 2.5rem;
            border-radius: 15px;
            box-shadow: 0 6px 15px rgba(0, 0, 0, 0.05);
        }
        aside {
            background: white;
            padding: 2rem;
            border-radius: 15px;
            box-shadow: 0 6px 15px rgba(0, 0, 0, 0.05);
            align-self: start;
        }
        h1 {
            color: var(--primary-blue);
            margin-bottom: 1.5rem;
            border-bottom: 3px solid var(--accent-gold);
            padding-bottom: 0.5rem;
        }
        h2 {
            color: var(--secondary-blue);
            margin: 2.5rem 0 1.5rem;
            padding-left: 1rem;
            border-left: 5px solid var(--accent-gold);
        }
        h3 {
            color: var(--primary-blue);
            margin: 2rem 0 1rem;
        }
        h4 {
            color: var(--dark-text);
            margin: 1.5rem 0 0.8rem;
            font-style: italic;
        }
        p {
            margin-bottom: 1.5rem;
            text-align: justify;
        }
        .highlight-box {
            background: linear-gradient(135deg, #f0f9ff 0%, #e6f7ff 100%);
            border-left: 5px solid var(--secondary-blue);
            padding: 1.5rem;
            margin: 2rem 0;
            border-radius: 0 10px 10px 0;
        }
        .img-container {
            margin: 2.5rem 0;
            text-align: center;
        }
        .feature-img {
            width: 100%;
            max-height: 500px;
            object-fit: cover;
            border-radius: 10px;
            box-shadow: 0 8px 20px rgba(0, 0, 0, 0.1);
            transition: transform 0.5s;
        }
        .feature-img:hover {
            transform: scale(1.01);
        }
        .caption {
            font-size: 0.9rem;
            color: var(--gray-text);
            margin-top: 0.5rem;
            font-style: italic;
        }
        .interactive-module {
            background: var(--light-bg);
            border-radius: 10px;
            padding: 2rem;
            margin: 3rem 0;
            border: 2px dashed var(--border-color);
        }
        .module-title {
            display: flex;
            align-items: center;
            gap: 10px;
            color: var(--accent-red);
            margin-bottom: 1.5rem;
        }
        .rating-stars {
            display: flex;
            gap: 5px;
            margin: 1rem 0;
        }
        .rating-stars i {
            color: #ffc107;
            font-size: 1.5rem;
            cursor: pointer;
            transition: color 0.2s;
        }
        .rating-stars i:hover {
            color: #ff9800;
        }
        .form-group {
            margin-bottom: 1.5rem;
        }
        .form-group label {
            display: block;
            margin-bottom: 0.5rem;
            font-weight: 600;
        }
        .form-group input,
        .form-group textarea,
        .form-group select {
            width: 100%;
            padding: 0.8rem;
            border: 1px solid var(--border-color);
            border-radius: 5px;
            font-size: 1rem;
        }
        .form-group textarea {
            min-height: 120px;
            resize: vertical;
        }
        .submit-btn {
            background: var(--secondary-blue);
            color: white;
            border: none;
            padding: 1rem 2rem;
            border-radius: 5px;
            font-weight: 600;
            cursor: pointer;
            transition: background 0.3s;
        }
        .submit-btn:hover {
            background: var(--primary-blue);
        }
        .related-links {
            background: linear-gradient(135deg, #fff9e6 0%, #fff0cc 100%);
            padding: 1.5rem;
            border-radius: 10px;
            margin: 2.5rem 0;
        }
        .related-links h3 {
            color: #b37400;
            margin-top: 0;
        }
        .links-grid {
            display: grid;
            grid-template-columns: repeat(auto-fill, minmax(250px, 1fr));
            gap: 1rem;
            margin-top: 1rem;
        }
        .links-grid a {
            display: block;
            background: white;
            padding: 0.8rem;
            border-radius: 5px;
            text-decoration: none;
            color: var(--secondary-blue);
            font-weight: 500;
            border-left: 4px solid var(--accent-gold);
            transition: all 0.3s;
        }
        .links-grid a:hover {
            background: var(--secondary-blue);
            color: white;
            transform: translateX(5px);
        }
        .site-footer {
            background: var(--primary-blue);
            color: white;
            padding: 3rem 0 1.5rem;
            margin-top: 4rem;
        }
        .footer-content {
            display: grid;
            grid-template-columns: repeat(auto-fit, minmax(250px, 1fr));
            gap: 2rem;
            margin-bottom: 2rem;
        }
        .footer-section h3 {
            color: var(--accent-gold);
            margin-bottom: 1.5rem;
            font-size: 1.3rem;
        }
        friend-link {
            display: block;
            margin-bottom: 0.8rem;
        }
        friend-link a {
            color: #a0c8ff;
            text-decoration: none;
            transition: color 0.3s;
        }
        friend-link a:hover {
            color: white;
            text-decoration: underline;
        }
        .copyright {
            text-align: center;
            padding-top: 1.5rem;
            border-top: 1px solid rgba(255, 255, 255, 0.1);
            font-size: 0.9rem;
            color: #aaa;
        }
        .update-time {
            background: #e8f4fc;
            padding: 1rem;
            border-radius: 5px;
            text-align: center;
            margin: 2rem 0;
            font-weight: 600;
            color: var(--primary-blue);
        }
        @media (max-width: 992px) {
            .content-wrapper {
                grid-template-columns: 1fr;
            }
            .hero-section h1 {
                font-size: 2.5rem;
            }
        }
        @media (max-width: 768px) {
            .hamburger {
                display: block;
            }
            .main-nav {
                position: fixed;
                top: 80px;
                left: -100%;
                flex-direction: column;
                background: var(--primary-blue);
                width: 100%;
                padding: 2rem;
                transition: left 0.3s;
                box-shadow: 0 10px 15px rgba(0, 0, 0, 0.1);
                z-index: 999;
            }
            .main-nav.active {
                left: 0;
            }
            .hero-section {
                padding: 3rem 1rem;
            }
            .hero-section h1 {
                font-size: 2rem;
            }
            main, aside {
                padding: 1.5rem;
            }
        }
        strong {
            color: var(--accent-red);
        }
        blockquote {
            border-left: 4px solid var(--accent-gold);
            padding-left: 1.5rem;
            margin: 2rem 0;
            font-style: italic;
            color: var(--gray-text);
        }