* {
            margin: 0;
            padding: 0;
            box-sizing: border-box;
        }
        html {
            scroll-behavior: smooth;
        }
        body {
            font-family: 'Segoe UI', Tahoma, Geneva, Verdana, sans-serif;
            line-height: 1.8;
            color: #333;
            background-color: #f8f5f0;
            max-width: 100vw;
            overflow-x: hidden;
            font-size: 1.05rem;
        }
        a {
            color: #2a5c82;
            text-decoration: none;
            transition: color 0.3s ease, border-bottom 0.3s ease;
        }
        a:hover {
            color: #c84e00;
            border-bottom: 1px dashed #c84e00;
        }
        img {
            max-width: 100%;
            height: auto;
            display: block;
        }
        .site-header {
            background: linear-gradient(135deg, #1a3a5f 0%, #2a5c82 100%);
            color: #fff;
            padding: 1rem 0;
            box-shadow: 0 4px 12px rgba(0,0,0,0.1);
            position: sticky;
            top: 0;
            z-index: 1000;
        }
        .header-container {
            display: flex;
            justify-content: space-between;
            align-items: center;
            max-width: 1200px;
            margin: 0 auto;
            padding: 0 2rem;
        }
        .my-logo {
            font-family: 'Georgia', serif;
            font-size: 2.2rem;
            font-weight: bold;
            color: #f0d49f;
            text-shadow: 2px 2px 4px rgba(0,0,0,0.5);
            letter-spacing: 1px;
        }
        .my-logo span {
            color: #c84e00;
        }
        .main-nav ul {
            display: flex;
            list-style: none;
            gap: 2rem;
        }
        .main-nav a {
            color: #f0d49f;
            font-weight: 600;
            padding: 0.5rem 0;
            border-bottom: 2px solid transparent;
        }
        .main-nav a:hover,
        .main-nav a.active {
            color: #fff;
            border-bottom-color: #c84e00;
        }
        .hamburger {
            display: none;
            font-size: 1.8rem;
            background: none;
            border: none;
            color: #f0d49f;
            cursor: pointer;
        }
        .breadcrumb {
            background-color: #e9e2d6;
            padding: 0.8rem 2rem;
            font-size: 0.9rem;
            border-bottom: 1px solid #d0c6b5;
        }
        .breadcrumb a {
            color: #555;
        }
        .breadcrumb a:hover {
            color: #c84e00;
        }
        .container {
            display: grid;
            grid-template-columns: 1fr minmax(300px, 250px);
            gap: 3rem;
            max-width: 1200px;
            margin: 2rem auto;
            padding: 0 2rem;
        }
        .content-main {
            background: #fff;
            padding: 2.5rem;
            border-radius: 12px;
            box-shadow: 0 6px 18px rgba(0,0,0,0.08);
        }
        aside.sidebar {
            background: #f1ece2;
            padding: 1.8rem;
            border-radius: 10px;
            height: fit-content;
            border-left: 5px solid #c84e00;
        }
        .sidebar-widget {
            margin-bottom: 2rem;
        }
        .sidebar-widget h3 {
            color: #2a5c82;
            margin-bottom: 1rem;
            padding-bottom: 0.5rem;
            border-bottom: 2px solid #d0c6b5;
        }
        h1 {
            color: #1a3a5f;
            font-size: 2.8rem;
            line-height: 1.2;
            margin-bottom: 1.5rem;
            padding-bottom: 1rem;
            border-bottom: 3px solid #f0d49f;
        }
        h2 {
            color: #2a5c82;
            font-size: 2rem;
            margin: 2.5rem 0 1.2rem 0;
            padding-left: 0.5rem;
            border-left: 4px solid #c84e00;
        }
        h3 {
            color: #444;
            font-size: 1.6rem;
            margin: 2rem 0 1rem 0;
        }
        h4 {
            color: #666;
            font-size: 1.3rem;
            margin: 1.5rem 0 0.8rem 0;
        }
        p {
            margin-bottom: 1.5rem;
            text-align: justify;
            hyphens: auto;
        }
        .lead {
            font-size: 1.3rem;
            color: #555;
            font-weight: 500;
            background: #f8f5f0;
            padding: 1.2rem;
            border-radius: 8px;
            margin-bottom: 2rem;
            border-left: 4px solid #2a5c82;
        }
        .highlight {
            background-color: #fff8e1;
            padding: 1.5rem;
            border-radius: 8px;
            margin: 1.5rem 0;
            border: 1px solid #ffecb3;
        }
        .key-term {
            font-weight: bold;
            color: #c84e00;
        }
        .updated {
            font-size: 0.9rem;
            color: #777;
            text-align: right;
            font-style: italic;
            margin-top: 3rem;
            padding-top: 1rem;
            border-top: 1px dashed #ccc;
        }
        .search-form, .comment-form, .rating-form {
            background: #f9f7f3;
            padding: 1.5rem;
            border-radius: 10px;
            margin: 2rem 0;
            border: 1px solid #e0d9cc;
        }
        .form-group {
            margin-bottom: 1.2rem;
        }
        label {
            display: block;
            margin-bottom: 0.5rem;
            font-weight: 600;
            color: #444;
        }
        input[type="text"],
        input[type="email"],
        textarea,
        select {
            width: 100%;
            padding: 0.8rem;
            border: 1px solid #ccc;
            border-radius: 6px;
            font-size: 1rem;
            transition: border 0.3s;
        }
        input:focus,
        textarea:focus,
        select:focus {
            outline: none;
            border-color: #2a5c82;
            box-shadow: 0 0 0 2px rgba(42, 92, 130, 0.2);
        }
        button,
        .btn {
            background: linear-gradient(to bottom, #2a5c82, #1a3a5f);
            color: white;
            border: none;
            padding: 0.8rem 1.8rem;
            border-radius: 6px;
            cursor: pointer;
            font-weight: 600;
            transition: all 0.3s ease;
            display: inline-block;
        }
        button:hover,
        .btn:hover {
            background: linear-gradient(to bottom, #c84e00, #a63c00);
            transform: translateY(-2px);
            box-shadow: 0 4px 8px rgba(0,0,0,0.2);
        }
        .stars {
            display: flex;
            gap: 0.5rem;
            margin: 0.5rem 0;
            font-size: 1.8rem;
            color: #ffc107;
            cursor: pointer;
        }
        .stars i {
            transition: transform 0.2s;
        }
        .stars i:hover {
            transform: scale(1.2);
        }
        .article-img {
            margin: 2.5rem auto;
            max-width: 800px;
            border-radius: 10px;
            overflow: hidden;
            box-shadow: 0 8px 20px rgba(0,0,0,0.15);
            border: 5px solid #fff;
        }
        .article-img img {
            transition: transform 0.5s ease;
        }
        .article-img:hover img {
            transform: scale(1.03);
        }
        figcaption {
            text-align: center;
            font-style: italic;
            color: #666;
            padding: 0.8rem;
            background: #f9f7f3;
            font-size: 0.95rem;
        }
        .links-list {
            background: #f1ece2;
            padding: 1.5rem;
            border-radius: 10px;
            margin: 2rem 0;
        }
        .links-list h3 {
            margin-top: 0;
        }
        .links-list ul {
            columns: 2;
            list-style: none;
        }
        .links-list li {
            margin-bottom: 0.8rem;
            break-inside: avoid;
        }
        .links-list a::before {
            content: "➥ ";
            color: #c84e00;
        }
        .site-footer {
            background: #1a3a5f;
            color: #e9e2d6;
            padding: 3rem 2rem 1.5rem;
            margin-top: 4rem;
        }
        .footer-container {
            max-width: 1200px;
            margin: 0 auto;
            display: grid;
            grid-template-columns: repeat(auto-fit, minmax(250px, 1fr));
            gap: 2.5rem;
        }
        .footer-logo {
            font-size: 2rem;
            color: #f0d49f;
            margin-bottom: 1rem;
        }
        friend-link {
            display: block;
            margin-bottom: 0.5rem;
        }
        friend-link a {
            color: #f0d49f;
        }
        .copyright {
            text-align: center;
            padding-top: 2rem;
            margin-top: 2rem;
            border-top: 1px solid #2a5c82;
            font-size: 0.9rem;
            color: #aaa;
        }
        @media (max-width: 992px) {
            .container {
                grid-template-columns: 1fr;
            }
            h1 {
                font-size: 2.4rem;
            }
            .main-nav ul {
                gap: 1.2rem;
            }
        }
        @media (max-width: 768px) {
            .header-container {
                flex-wrap: wrap;
            }
            .hamburger {
                display: block;
            }
            .main-nav {
                width: 100%;
                max-height: 0;
                overflow: hidden;
                transition: max-height 0.5s ease;
            }
            .main-nav.active {
                max-height: 400px;
                margin-top: 1rem;
            }
            .main-nav ul {
                flex-direction: column;
                gap: 0;
            }
            .main-nav li {
                border-bottom: 1px solid rgba(240, 212, 159, 0.2);
            }
            .main-nav a {
                display: block;
                padding: 0.8rem 0;
            }
            .content-main {
                padding: 1.8rem;
            }
            .links-list ul {
                columns: 1;
            }
        }