:root {
            --primary-dark: #1a472a;
            --primary: #2a623d;
            --primary-light: #5d9570;
            --secondary-dark: #c89600;
            --secondary: #e4b429;
            --secondary-light: #f0d15c;
            --text-dark: #222;
            --text: #333;
            --text-light: #666;
            --bg-light: #f8f5ee;
            --bg-card: #fffef9;
            --border: #e0d8c5;
            --shadow: rgba(26, 71, 42, 0.08);
            --radius: 12px;
            --transition: all 0.3s ease;
        }
        * {
            margin: 0;
            padding: 0;
            box-sizing: border-box;
        }
        html {
            scroll-behavior: smooth;
            font-size: 16px;
        }
        body {
            font-family: 'Segoe UI', Tahoma, Geneva, Verdana, sans-serif;
            line-height: 1.7;
            color: var(--text);
            background-color: var(--bg-light);
            background-image: linear-gradient(to bottom, #f8f5ee 0%, #e8e2d3 100%);
            min-height: 100vh;
            display: flex;
            flex-direction: column;
        }
        a {
            color: var(--primary);
            text-decoration: none;
            transition: var(--transition);
        }
        a:hover {
            color: var(--secondary-dark);
            text-decoration: underline;
        }
        .container {
            width: 100%;
            max-width: 1200px;
            margin: 0 auto;
            padding: 0 20px;
        }
        header {
            background-color: white;
            box-shadow: 0 4px 12px var(--shadow);
            position: sticky;
            top: 0;
            z-index: 1000;
        }
        .header-container {
            display: flex;
            justify-content: space-between;
            align-items: center;
            padding: 15px 20px;
        }
        .my-logo {
            font-size: 1.8rem;
            font-weight: 800;
            color: var(--primary-dark);
            display: flex;
            align-items: center;
            gap: 10px;
        }
        .my-logo i {
            color: var(--secondary);
        }
        .my-logo a {
            color: inherit;
            text-decoration: none;
            letter-spacing: -0.5px;
        }
        .my-logo a:hover {
            color: var(--primary);
            text-decoration: none;
        }
        .breadcrumb {
            padding: 12px 20px;
            background-color: #f0ede4;
            font-size: 0.9rem;
            border-bottom: 1px solid var(--border);
        }
        .breadcrumb a {
            color: var(--text-light);
        }
        .breadcrumb a:hover {
            color: var(--primary);
        }
        .breadcrumb span {
            color: var(--text);
            font-weight: 500;
        }
        .nav-desktop {
            display: flex;
            gap: 30px;
        }
        .nav-desktop a {
            font-weight: 600;
            color: var(--text);
            padding: 5px 0;
            position: relative;
        }
        .nav-desktop a::after {
            content: '';
            position: absolute;
            bottom: 0;
            left: 0;
            width: 0;
            height: 2px;
            background-color: var(--secondary);
            transition: var(--transition);
        }
        .nav-desktop a:hover::after,
        .nav-desktop a.active::after {
            width: 100%;
        }
        .hamburger {
            display: none;
            background: none;
            border: none;
            font-size: 1.5rem;
            color: var(--primary-dark);
            cursor: pointer;
        }
        .mobile-nav {
            display: none;
            flex-direction: column;
            background-color: white;
            padding: 20px;
            box-shadow: inset 0 2px 5px var(--shadow);
        }
        .mobile-nav.active {
            display: flex;
        }
        .mobile-nav a {
            padding: 12px 0;
            border-bottom: 1px solid var(--border);
            font-weight: 600;
            color: var(--text);
        }
        .mobile-nav a:last-child {
            border-bottom: none;
        }
        .hero {
            background: linear-gradient(135deg, var(--primary-dark) 0%, var(--primary) 100%);
            color: white;
            padding: 60px 20px;
            text-align: center;
            margin-bottom: 40px;
            border-radius: 0 0 var(--radius) var(--radius);
        }
        .hero h1 {
            font-size: 2.8rem;
            margin-bottom: 20px;
            line-height: 1.2;
            text-shadow: 1px 1px 3px rgba(0,0,0,0.3);
        }
        .hero p {
            font-size: 1.2rem;
            max-width: 800px;
            margin: 0 auto 30px;
            opacity: 0.9;
        }
        .update-time {
            display: inline-block;
            background-color: rgba(255,255,255,0.15);
            padding: 8px 20px;
            border-radius: 50px;
            font-size: 0.9rem;
            margin-top: 20px;
        }
        main {
            flex: 1;
        }
        .content-grid {
            display: grid;
            grid-template-columns: 1fr 300px;
            gap: 40px;
            margin-bottom: 40px;
        }
        @media (max-width: 992px) {
            .content-grid {
                grid-template-columns: 1fr;
            }
        }
        article {
            background-color: var(--bg-card);
            padding: 40px;
            border-radius: var(--radius);
            box-shadow: 0 6px 20px var(--shadow);
        }
        article h1,
        article h2,
        article h3,
        article h4 {
            color: var(--primary-dark);
            margin-top: 2.5rem;
            margin-bottom: 1rem;
            line-height: 1.3;
        }
        article h1 {
            font-size: 2.5rem;
            border-bottom: 3px solid var(--secondary);
            padding-bottom: 15px;
            margin-top: 0;
        }
        article h2 {
            font-size: 2rem;
            padding-left: 15px;
            border-left: 5px solid var(--secondary);
        }
        article h3 {
            font-size: 1.6rem;
            color: var(--primary);
        }
        article h4 {
            font-size: 1.3rem;
            color: var(--primary-light);
        }
        article p {
            margin-bottom: 1.5rem;
            text-align: justify;
        }
        article strong {
            color: var(--primary-dark);
            font-weight: 700;
        }
        article em {
            color: var(--text-light);
            font-style: italic;
        }
        .article-img {
            width: 100%;
            max-width: 800px;
            height: auto;
            border-radius: var(--radius);
            margin: 30px auto;
            display: block;
            box-shadow: 0 5px 15px rgba(0,0,0,0.1);
            border: 1px solid var(--border);
        }
        .insight-box {
            background: linear-gradient(to right, #f0f7ff, #e6f2ff);
            border-left: 5px solid var(--primary-light);
            padding: 25px;
            margin: 30px 0;
            border-radius: 0 var(--radius) var(--radius) 0;
        }
        .insight-box h4 {
            margin-top: 0;
            color: var(--primary-dark);
            display: flex;
            align-items: center;
            gap: 10px;
        }
        .link-list {
            background-color: #f9f7f0;
            padding: 25px;
            border-radius: var(--radius);
            margin: 30px 0;
        }
        .link-list ul {
            list-style: none;
            display: grid;
            grid-template-columns: repeat(auto-fill, minmax(250px, 1fr));
            gap: 15px;
        }
        .link-list li {
            padding: 10px 15px;
            background-color: white;
            border-radius: 8px;
            border: 1px solid var(--border);
            transition: var(--transition);
        }
        .link-list li:hover {
            transform: translateY(-3px);
            box-shadow: 0 5px 12px var(--shadow);
        }
        aside {
            display: flex;
            flex-direction: column;
            gap: 30px;
        }
        .sidebar-widget {
            background-color: var(--bg-card);
            padding: 25px;
            border-radius: var(--radius);
            box-shadow: 0 4px 12px var(--shadow);
        }
        .sidebar-widget h3 {
            color: var(--primary-dark);
            margin-bottom: 20px;
            padding-bottom: 10px;
            border-bottom: 2px solid var(--secondary-light);
            display: flex;
            align-items: center;
            gap: 10px;
        }
        .search-form input,
        .comment-form input,
        .comment-form textarea,
        .rating-form select {
            width: 100%;
            padding: 12px 15px;
            margin-bottom: 15px;
            border: 1px solid var(--border);
            border-radius: 8px;
            font-family: inherit;
            transition: var(--transition);
        }
        .search-form input:focus,
        .comment-form input:focus,
        .comment-form textarea:focus,
        .rating-form select:focus {
            outline: none;
            border-color: var(--primary-light);
            box-shadow: 0 0 0 3px rgba(42, 98, 61, 0.1);
        }
        .btn {
            display: inline-block;
            background: linear-gradient(to right, var(--primary), var(--primary-dark));
            color: white;
            padding: 12px 25px;
            border: none;
            border-radius: 8px;
            font-weight: 600;
            cursor: pointer;
            transition: var(--transition);
            text-align: center;
        }
        .btn:hover {
            background: linear-gradient(to right, var(--primary-dark), #1a472a);
            transform: translateY(-2px);
            box-shadow: 0 5px 15px rgba(26, 71, 42, 0.2);
            text-decoration: none;
            color: white;
        }
        .btn-secondary {
            background: linear-gradient(to right, var(--secondary), var(--secondary-dark));
        }
        .btn-secondary:hover {
            background: linear-gradient(to right, var(--secondary-dark), #b88600);
        }
        .stars {
            display: flex;
            gap: 5px;
            margin: 15px 0;
            justify-content: center;
        }
        .stars i {
            color: #ddd;
            cursor: pointer;
            transition: var(--transition);
            font-size: 1.5rem;
        }
        .stars i:hover,
        .stars i.active {
            color: var(--secondary);
        }
        footer {
            background-color: var(--primary-dark);
            color: white;
            padding: 50px 20px 20px;
            margin-top: 60px;
        }
        .footer-container {
            display: grid;
            grid-template-columns: repeat(auto-fit, minmax(250px, 1fr));
            gap: 40px;
            margin-bottom: 40px;
        }
        .footer-section h4 {
            font-size: 1.3rem;
            margin-bottom: 20px;
            color: var(--secondary-light);
            position: relative;
            padding-bottom: 10px;
        }
        .footer-section h4::after {
            content: '';
            position: absolute;
            bottom: 0;
            left: 0;
            width: 50px;
            height: 2px;
            background-color: var(--secondary);
        }
        .footer-links {
            list-style: none;
        }
        .footer-links li {
            margin-bottom: 10px;
        }
        .footer-links a {
            color: #ccc;
            display: flex;
            align-items: center;
            gap: 10px;
            transition: var(--transition);
        }
        .footer-links a:hover {
            color: var(--secondary-light);
            padding-left: 5px;
        }
        friend-link {
            display: block;
            margin: 15px 0;
            padding: 12px 15px;
            background-color: rgba(255,255,255,0.05);
            border-radius: 8px;
            border: 1px solid rgba(255,255,255,0.1);
            transition: var(--transition);
        }
        friend-link:hover {
            background-color: rgba(255,255,255,0.1);
            border-color: var(--secondary);
        }
        .copyright {
            text-align: center;
            padding-top: 20px;
            border-top: 1px solid rgba(255,255,255,0.1);
            color: #aaa;
            font-size: 0.9rem;
        }
        @media (max-width: 768px) {
            .header-container {
                flex-wrap: wrap;
            }
            .nav-desktop {
                display: none;
            }
            .hamburger {
                display: block;
            }
            .hero h1 {
                font-size: 2.2rem;
            }
            article {
                padding: 25px;
            }
            article h1 {
                font-size: 2rem;
            }
            article h2 {
                font-size: 1.7rem;
            }
            .content-grid {
                gap: 25px;
            }
        }
        @media (max-width: 480px) {
            .hero {
                padding: 40px 15px;
            }
            .hero h1 {
                font-size: 1.8rem;
            }
            .link-list ul {
                grid-template-columns: 1fr;
            }
        }
        @media print {
            .nav-desktop, .hamburger, .mobile-nav,
            .search-form, .comment-form, .rating-form,
            .sidebar-widget, footer, .breadcrumb {
                display: none !important;
            }
            article {
                box-shadow: none;
                padding: 0;
            }
            body {
                background: white;
                font-size: 12pt;
                line-height: 1.5;
            }
            a {
                color: black;
                text-decoration: underline;
            }
        }