* {
            margin: 0;
            padding: 0;
            box-sizing: border-box;
        }
        body {
            font-family: 'Segoe UI', Tahoma, Geneva, Verdana, sans-serif;
            line-height: 1.7;
            color: #333;
            background: linear-gradient(135deg, #f5f7fa 0%, #c3cfe2 100%);
            min-height: 100vh;
        }
        .site-header {
            background: linear-gradient(90deg, #1a2980 0%, #26d0ce 100%);
            color: white;
            padding: 1rem 2rem;
            position: sticky;
            top: 0;
            z-index: 1000;
            box-shadow: 0 4px 12px rgba(0,0,0,0.1);
        }
        .header-container {
            display: flex;
            justify-content: space-between;
            align-items: center;
            max-width: 1400px;
            margin: 0 auto;
        }
        .my-logo {
            font-family: 'Impact', 'Arial Black', sans-serif;
            font-size: 2.2rem;
            color: #FFD700;
            text-decoration: none;
            text-shadow: 2px 2px 4px rgba(0,0,0,0.3);
            transition: transform 0.3s ease;
        }
        .my-logo:hover {
            transform: scale(1.05);
            color: #FFFFFF;
        }
        .my-logo span {
            color: #26d0ce;
        }
        .main-nav {
            display: flex;
            gap: 2rem;
        }
        .nav-link {
            color: white;
            text-decoration: none;
            font-weight: 600;
            padding: 0.5rem 1rem;
            border-radius: 4px;
            transition: all 0.3s ease;
        }
        .nav-link:hover {
            background: rgba(255,255,255,0.2);
            transform: translateY(-2px);
        }
        .hamburger {
            display: none;
            background: none;
            border: none;
            color: white;
            font-size: 1.8rem;
            cursor: pointer;
            padding: 0.5rem;
        }
        .mobile-nav {
            display: none;
            flex-direction: column;
            background: #1a2980;
            position: absolute;
            top: 100%;
            left: 0;
            right: 0;
            padding: 1rem;
            box-shadow: 0 4px 12px rgba(0,0,0,0.2);
        }
        .mobile-nav.active {
            display: flex;
        }
        .breadcrumb {
            background: #e9ecef;
            padding: 1rem 2rem;
            font-size: 0.9rem;
            border-bottom: 1px solid #dee2e6;
        }
        .breadcrumb a {
            color: #1a2980;
            text-decoration: none;
        }
        .breadcrumb a:hover {
            text-decoration: underline;
        }
        .container {
            display: grid;
            grid-template-columns: 3fr 1fr;
            gap: 2rem;
            max-width: 1400px;
            margin: 2rem auto;
            padding: 0 2rem;
        }
        .main-article {
            background: white;
            padding: 3rem;
            border-radius: 12px;
            box-shadow: 0 6px 20px rgba(0,0,0,0.08);
        }
        h1 {
            color: #1a2980;
            font-size: 2.8rem;
            margin-bottom: 1.5rem;
            line-height: 1.2;
            border-bottom: 3px solid #FFD700;
            padding-bottom: 1rem;
        }
        h2 {
            color: #26d0ce;
            font-size: 2rem;
            margin: 2.5rem 0 1rem;
            padding-left: 0.5rem;
            border-left: 5px solid #1a2980;
        }
        h3 {
            color: #1a2980;
            font-size: 1.5rem;
            margin: 2rem 0 1rem;
        }
        h4 {
            color: #555;
            font-size: 1.2rem;
            margin: 1.5rem 0 0.8rem;
        }
        .article-meta {
            color: #666;
            font-size: 0.95rem;
            margin-bottom: 2rem;
            padding-bottom: 1rem;
            border-bottom: 1px solid #eee;
            display: flex;
            justify-content: space-between;
            flex-wrap: wrap;
        }
        .update-time {
            color: #e74c3c;
            font-weight: 600;
        }
        .featured-image {
            width: 100%;
            height: auto;
            border-radius: 8px;
            margin: 2rem 0;
            box-shadow: 0 4px 12px rgba(0,0,0,0.15);
            transition: transform 0.3s ease;
        }
        .featured-image:hover {
            transform: scale(1.01);
        }
        .content-section {
            margin: 2rem 0;
            padding: 1.5rem;
            background: #f8f9fa;
            border-radius: 8px;
            border-left: 4px solid #1a2980;
        }
        .strategy-box {
            background: linear-gradient(135deg, #e3f2fd 0%, #bbdefb 100%);
            padding: 1.5rem;
            border-radius: 8px;
            margin: 1.5rem 0;
        }
        .highlight {
            background: #FFF9C4;
            padding: 0.2rem 0.4rem;
            border-radius: 3px;
            font-weight: 600;
        }
        .pro-tip {
            background: #E8F5E9;
            border-left: 4px solid #4CAF50;
            padding: 1rem;
            margin: 1.5rem 0;
            border-radius: 0 4px 4px 0;
        }
        .pro-tip i {
            color: #4CAF50;
            margin-right: 0.5rem;
        }
        .related-links {
            display: flex;
            flex-wrap: wrap;
            gap: 1rem;
            margin: 2rem 0;
            padding: 1.5rem;
            background: #f1f8ff;
            border-radius: 8px;
        }
        .related-link {
            background: white;
            padding: 0.8rem 1.5rem;
            border-radius: 6px;
            text-decoration: none;
            color: #1a2980;
            font-weight: 600;
            border: 2px solid #1a2980;
            transition: all 0.3s ease;
        }
        .related-link:hover {
            background: #1a2980;
            color: white;
            transform: translateY(-3px);
            box-shadow: 0 4px 8px rgba(26,41,128,0.2);
        }
        .sidebar {
            display: flex;
            flex-direction: column;
            gap: 2rem;
        }
        .sidebar-widget {
            background: white;
            padding: 1.8rem;
            border-radius: 12px;
            box-shadow: 0 4px 12px rgba(0,0,0,0.08);
        }
        .widget-title {
            color: #1a2980;
            font-size: 1.4rem;
            margin-bottom: 1.2rem;
            padding-bottom: 0.5rem;
            border-bottom: 2px solid #FFD700;
        }
        .search-form {
            display: flex;
            margin-top: 1rem;
        }
        .search-input {
            flex: 1;
            padding: 0.8rem;
            border: 2px solid #1a2980;
            border-right: none;
            border-radius: 4px 0 0 4px;
            font-size: 1rem;
        }
        .search-btn {
            background: #1a2980;
            color: white;
            border: none;
            padding: 0 1.5rem;
            border-radius: 0 4px 4px 0;
            cursor: pointer;
            transition: background 0.3s ease;
        }
        .search-btn:hover {
            background: #26d0ce;
        }
        .rating-stars {
            display: flex;
            justify-content: center;
            gap: 0.5rem;
            margin: 1.5rem 0;
            font-size: 2rem;
        }
        .star {
            color: #ddd;
            cursor: pointer;
            transition: color 0.2s ease;
        }
        .star:hover,
        .star.active {
            color: #FFD700;
        }
        .rating-form {
            margin-top: 1.5rem;
        }
        .rating-submit {
            width: 100%;
            padding: 0.8rem;
            background: linear-gradient(90deg, #1a2980, #26d0ce);
            color: white;
            border: none;
            border-radius: 4px;
            font-weight: 600;
            cursor: pointer;
            transition: transform 0.2s ease;
        }
        .rating-submit:hover {
            transform: translateY(-2px);
        }
        .comment-form textarea {
            width: 100%;
            padding: 1rem;
            border: 2px solid #e0e0e0;
            border-radius: 4px;
            resize: vertical;
            min-height: 120px;
            margin: 1rem 0;
            font-family: inherit;
        }
        .comment-submit {
            background: linear-gradient(90deg, #26d0ce, #1a2980);
            color: white;
            border: none;
            padding: 0.8rem 2rem;
            border-radius: 4px;
            font-weight: 600;
            cursor: pointer;
            transition: all 0.3s ease;
        }
        .comment-submit:hover {
            transform: translateY(-2px);
            box-shadow: 0 4px 8px rgba(38,208,206,0.3);
        }
        .site-footer {
            background: #1a2980;
            color: white;
            padding: 3rem 2rem 1.5rem;
            margin-top: 3rem;
        }
        .footer-content {
            max-width: 1400px;
            margin: 0 auto;
            display: grid;
            grid-template-columns: 2fr 1fr;
            gap: 3rem;
        }
        .friend-links {
            display: grid;
            grid-template-columns: repeat(auto-fill, minmax(200px, 1fr));
            gap: 1rem;
            margin: 1.5rem 0;
        }
        friend-link {
            display: block;
            padding: 0.8rem;
            background: rgba(255,255,255,0.1);
            border-radius: 4px;
            text-decoration: none;
            color: #FFD700;
            transition: all 0.3s ease;
        }
        friend-link:hover {
            background: rgba(255,255,255,0.2);
            transform: translateX(5px);
        }
        .copyright {
            text-align: center;
            margin-top: 3rem;
            padding-top: 1.5rem;
            border-top: 1px solid rgba(255,255,255,0.1);
            font-size: 0.9rem;
            color: #b0b0b0;
        }
        @media (max-width: 1024px) {
            .container {
                grid-template-columns: 1fr;
            }
            .footer-content {
                grid-template-columns: 1fr;
            }
        }
        @media (max-width: 768px) {
            .header-container {
                flex-wrap: wrap;
            }
            .main-nav {
                display: none;
            }
            .hamburger {
                display: block;
            }
            h1 {
                font-size: 2.2rem;
            }
            .main-article {
                padding: 1.5rem;
            }
            .container {
                padding: 0 1rem;
            }
            .rating-stars {
                font-size: 1.5rem;
            }
        }
        @keyframes fadeIn {
            from { opacity: 0; transform: translateY(20px); }
            to { opacity: 1; transform: translateY(0); }
        }
        .main-article, .sidebar-widget {
            animation: fadeIn 0.6s ease-out;
        }
        @media print {
            .sidebar, .site-header, .site-footer {
                display: none;
            }
            .main-article {
                box-shadow: none;
                padding: 0;
            }
        }