:root {
            --primary: #2a5caa; 
            --secondary: #e10600; 
            --dark: #1a1a1a;
            --light: #f5f5f5;
            --gray: #6c757d;
            --transition: all 0.3s ease;
            --shadow: 0 5px 15px rgba(0,0,0,0.1);
        }
        * {
            margin: 0;
            padding: 0;
            box-sizing: border-box;
            font-family: 'Segoe UI', Tahoma, Geneva, Verdana, sans-serif;
        }
        html {
            scroll-behavior: smooth;
        }
        body {
            background-color: #f8f9fa;
            color: #333;
            line-height: 1.7;
            overflow-x: hidden;
        }
        a {
            color: var(--primary);
            text-decoration: none;
            transition: var(--transition);
        }
        a:hover {
            color: var(--secondary);
        }
        .container {
            width: 100%;
            max-width: 1200px;
            margin: 0 auto;
            padding: 0 20px;
        }
        header {
            background: linear-gradient(135deg, var(--dark) 0%, #2c3e50 100%);
            color: white;
            padding: 1.5rem 0;
            box-shadow: var(--shadow);
            position: sticky;
            top: 0;
            z-index: 1000;
        }
        .header-container {
            display: flex;
            justify-content: space-between;
            align-items: center;
        }
        .my-logo {
            font-size: 2.2rem;
            font-weight: 900;
            background: linear-gradient(to right, #fff, var(--primary));
            -webkit-background-clip: text;
            -webkit-text-fill-color: transparent;
            letter-spacing: 1px;
            display: flex;
            align-items: center;
            gap: 10px;
        }
        .my-logo i {
            color: var(--secondary);
            font-size: 1.8rem;
        }
        nav {
            display: flex;
            align-items: center;
        }
        .nav-links {
            display: flex;
            list-style: none;
            gap: 2rem;
        }
        .nav-links a {
            color: white;
            font-weight: 600;
            font-size: 1.05rem;
            padding: 0.5rem 0;
            position: relative;
        }
        .nav-links a:hover {
            color: #ffcc00;
        }
        .nav-links a::after {
            content: '';
            position: absolute;
            bottom: 0;
            left: 0;
            width: 0;
            height: 3px;
            background-color: var(--secondary);
            transition: width 0.3s ease;
        }
        .nav-links a:hover::after {
            width: 100%;
        }
        .hamburger {
            display: none;
            flex-direction: column;
            cursor: pointer;
            gap: 5px;
            background: transparent;
            border: none;
        }
        .hamburger span {
            width: 25px;
            height: 3px;
            background-color: white;
            transition: var(--transition);
        }
        .breadcrumb {
            background-color: rgba(255,255,255,0.05);
            padding: 1rem 0;
            margin-top: 1rem;
            font-size: 0.9rem;
        }
        .breadcrumb a {
            color: #ccc;
        }
        .breadcrumb a:hover {
            color: white;
        }
        .breadcrumb span {
            color: var(--gray);
            margin: 0 8px;
        }
        .search-container {
            background: linear-gradient(to right, var(--primary), #1a4b8c);
            padding: 2.5rem 0;
            text-align: center;
            margin-bottom: 2rem;
            border-radius: 0 0 20px 20px;
        }
        .search-box {
            max-width: 700px;
            margin: 0 auto;
            position: relative;
        }
        .search-box input {
            width: 100%;
            padding: 1.2rem 1.5rem;
            border-radius: 50px;
            border: none;
            font-size: 1.1rem;
            box-shadow: 0 10px 25px rgba(0,0,0,0.2);
        }
        .search-box button {
            position: absolute;
            right: 10px;
            top: 50%;
            transform: translateY(-50%);
            background: var(--secondary);
            color: white;
            border: none;
            border-radius: 50%;
            width: 50px;
            height: 50px;
            cursor: pointer;
            transition: var(--transition);
        }
        .search-box button:hover {
            background: #c00;
            transform: translateY(-50%) scale(1.05);
        }
        main {
            padding: 2rem 0;
            display: grid;
            grid-template-columns: 1fr 300px;
            gap: 3rem;
        }
        article {
            background: white;
            border-radius: 15px;
            padding: 2.5rem;
            box-shadow: var(--shadow);
        }
        h1 {
            color: var(--dark);
            font-size: 2.8rem;
            margin-bottom: 1.5rem;
            line-height: 1.2;
            border-left: 6px solid var(--secondary);
            padding-left: 1rem;
        }
        .meta {
            display: flex;
            justify-content: space-between;
            align-items: center;
            padding: 1rem 0;
            margin-bottom: 2rem;
            border-bottom: 2px solid #eee;
            color: var(--gray);
            font-size: 0.95rem;
        }
        .update-time {
            color: var(--secondary);
            font-weight: bold;
        }
        h2 {
            color: var(--primary);
            font-size: 2rem;
            margin: 2.5rem 0 1.2rem;
            padding-bottom: 0.5rem;
            border-bottom: 2px dashed #eaeaea;
        }
        h3 {
            color: #444;
            font-size: 1.6rem;
            margin: 2rem 0 1rem;
        }
        h4 {
            color: #555;
            font-size: 1.3rem;
            margin: 1.5rem 0 0.8rem;
        }
        p {
            margin-bottom: 1.5rem;
            font-size: 1.1rem;
            text-align: justify;
        }
        .intro {
            font-size: 1.3rem;
            color: #222;
            background: linear-gradient(to right, #f8f9fa, #e9ecef);
            padding: 1.5rem;
            border-radius: 10px;
            border-left: 5px solid var(--primary);
            margin-bottom: 2.5rem;
        }
        .highlight {
            background-color: #fff9e6;
            padding: 1.5rem;
            border-radius: 10px;
            border-left: 5px solid #ffcc00;
            margin: 2rem 0;
        }
        .highlight strong {
            color: #d35400;
        }
        .content-img {
            width: 100%;
            max-width: 800px;
            height: auto;
            border-radius: 12px;
            margin: 2rem auto;
            display: block;
            box-shadow: 0 8px 20px rgba(0,0,0,0.15);
            transition: transform 0.5s ease;
        }
        .content-img:hover {
            transform: scale(1.008);
        }
        .img-caption {
            text-align: center;
            font-style: italic;
            color: var(--gray);
            margin-top: 0.5rem;
            margin-bottom: 2rem;
        }
        ul, ol {
            padding-left: 2rem;
            margin-bottom: 1.5rem;
        }
        li {
            margin-bottom: 0.8rem;
        }
        blockquote {
            border-left: 4px solid var(--secondary);
            padding-left: 1.5rem;
            margin: 2rem 0;
            font-style: italic;
            color: #555;
            background-color: #f9f9f9;
            padding: 1.5rem;
            border-radius: 0 10px 10px 0;
        }
        .link-group {
            display: flex;
            flex-wrap: wrap;
            gap: 1rem;
            margin: 2rem 0;
            padding: 1.5rem;
            background: #f0f8ff;
            border-radius: 10px;
        }
        .link-item {
            background: white;
            padding: 0.8rem 1.5rem;
            border-radius: 50px;
            box-shadow: 0 3px 8px rgba(0,0,0,0.08);
            border: 1px solid #d1e3ff;
            transition: var(--transition);
        }
        .link-item:hover {
            transform: translateY(-3px);
            box-shadow: 0 6px 12px rgba(0,0,0,0.12);
            border-color: var(--primary);
        }
        aside {
            position: sticky;
            top: 120px;
            height: fit-content;
        }
        .sidebar-widget {
            background: white;
            border-radius: 15px;
            padding: 1.8rem;
            margin-bottom: 2rem;
            box-shadow: var(--shadow);
        }
        .widget-title {
            color: var(--primary);
            font-size: 1.4rem;
            margin-bottom: 1.2rem;
            padding-bottom: 0.7rem;
            border-bottom: 2px solid #eee;
            display: flex;
            align-items: center;
            gap: 10px;
        }
        .widget-title i {
            color: var(--secondary);
        }
        .rating-widget {
            text-align: center;
        }
        .stars {
            display: flex;
            justify-content: center;
            gap: 5px;
            margin: 1.5rem 0;
        }
        .star {
            font-size: 2.2rem;
            color: #ddd;
            cursor: pointer;
            transition: color 0.2s;
        }
        .star:hover,
        .star.active {
            color: #ffcc00;
        }
        .rating-form input,
        .comment-form textarea {
            width: 100%;
            padding: 1rem;
            margin-bottom: 1rem;
            border: 1px solid #ddd;
            border-radius: 8px;
            font-size: 1rem;
        }
        .rating-form button,
        .comment-form button {
            width: 100%;
            padding: 1rem;
            background: var(--primary);
            color: white;
            border: none;
            border-radius: 8px;
            font-size: 1.1rem;
            font-weight: 600;
            cursor: pointer;
            transition: var(--transition);
        }
        .rating-form button:hover,
        .comment-form button:hover {
            background: #1a4b8c;
        }
        footer {
            background: var(--dark);
            color: #ccc;
            padding: 3rem 0 1.5rem;
            margin-top: 4rem;
        }
        .footer-content {
            display: grid;
            grid-template-columns: repeat(auto-fit, minmax(250px, 1fr));
            gap: 2.5rem;
            margin-bottom: 2.5rem;
        }
        .footer-section h3 {
            color: white;
            font-size: 1.4rem;
            margin-bottom: 1.5rem;
            position: relative;
            padding-bottom: 0.7rem;
        }
        .footer-section h3::after {
            content: '';
            position: absolute;
            bottom: 0;
            left: 0;
            width: 50px;
            height: 3px;
            background: var(--secondary);
        }
        .friend-links {
            display: flex;
            flex-direction: column;
            gap: 0.8rem;
        }
        friend-link {
            display: block;
            padding: 0.8rem 1rem;
            background: rgba(255,255,255,0.05);
            border-radius: 6px;
            transition: var(--transition);
        }
        friend-link:hover {
            background: rgba(255,255,255,0.1);
            transform: translateX(5px);
        }
        .copyright {
            text-align: center;
            padding-top: 2rem;
            border-top: 1px solid #444;
            font-size: 0.95rem;
            color: #999;
        }
        @media (max-width: 992px) {
            main {
                grid-template-columns: 1fr;
                gap: 2rem;
            }
            aside {
                position: static;
            }
            h1 {
                font-size: 2.3rem;
            }
        }
        @media (max-width: 768px) {
            .header-container {
                flex-direction: column;
                gap: 1.5rem;
            }
            .nav-links {
                display: none;
                flex-direction: column;
                width: 100%;
                text-align: center;
                margin-top: 1rem;
                gap: 1rem;
            }
            .nav-links.active {
                display: flex;
            }
            .hamburger {
                display: flex;
                position: absolute;
                top: 1.5rem;
                right: 20px;
            }
            .hamburger.active span:nth-child(1) {
                transform: rotate(45deg) translate(6px, 6px);
            }
            .hamburger.active span:nth-child(2) {
                opacity: 0;
            }
            .hamburger.active span:nth-child(3) {
                transform: rotate(-45deg) translate(7px, -6px);
            }
            article {
                padding: 1.8rem;
            }
        }
        @media (max-width: 576px) {
            .search-box input {
                padding: 1rem;
                font-size: 1rem;
            }
            h1 {
                font-size: 2rem;
            }
            h2 {
                font-size: 1.7rem;
            }
            .intro {
                font-size: 1.1rem;
            }
        }