* { margin: 0; padding: 0; box-sizing: border-box; }
        html { scroll-behavior: smooth; }
        body {
            font-family: 'Segoe UI', Tahoma, Geneva, Verdana, sans-serif;
            line-height: 1.7;
            color: #333;
            background-color: #fefefe;
            background-image: radial-gradient(#e0e0e0 1px, transparent 1px);
            background-size: 20px 20px;
            max-width: 1400px;
            margin: 0 auto;
            padding: 0 15px;
        }
        a { color: #2a5c7a; text-decoration: none; transition: color 0.3s; }
        a:hover { color: #d45a2a; }
        img { max-width: 100%; height: auto; display: block; }
        .site-header {
            background: linear-gradient(135deg, #1a3a4f 0%, #2a5c7a 100%);
            color: white;
            padding: 1.5rem 1rem;
            border-radius: 0 0 12px 12px;
            box-shadow: 0 4px 12px rgba(0,0,0,0.1);
            margin-bottom: 2rem;
            position: sticky;
            top: 0;
            z-index: 1000;
        }
        .header-container {
            display: flex;
            justify-content: space-between;
            align-items: center;
            flex-wrap: wrap;
        }
        .my-logo {
            font-family: 'Georgia', serif;
            font-size: 2.8rem;
            font-weight: bold;
            background: linear-gradient(to right, #f7c45a, #ff9a3d);
            -webkit-background-clip: text;
            background-clip: text;
            color: transparent;
            text-shadow: 1px 1px 3px rgba(0,0,0,0.2);
            letter-spacing: -1px;
        }
        .my-logo a { color: transparent; }
        .my-logo:hover { transform: scale(1.02); }
        .main-nav ul {
            display: flex;
            list-style: none;
            gap: 1.8rem;
        }
        .main-nav a {
            color: #e6f2ff;
            font-weight: 600;
            padding: 0.5rem 0.8rem;
            border-radius: 6px;
            font-size: 1.05rem;
        }
        .main-nav a:hover,
        .main-nav a:focus {
            background-color: rgba(255, 255, 255, 0.15);
            color: #fff;
        }
        .hamburger {
            display: none;
            background: none;
            border: none;
            color: white;
            font-size: 1.8rem;
            cursor: pointer;
        }
        .breadcrumb {
            padding: 1rem 0;
            font-size: 0.9rem;
            color: #666;
            margin-bottom: 1.5rem;
            border-bottom: 1px solid #eee;
        }
        .breadcrumb a { color: #555; }
        .breadcrumb a:hover { color: #d45a2a; }
        .content-wrapper {
            display: grid;
            grid-template-columns: 1fr 300px;
            gap: 3rem;
            margin-bottom: 3rem;
        }
        @media (max-width: 992px) {
            .content-wrapper { grid-template-columns: 1fr; }
        }
        article {
            background: white;
            padding: 2.5rem;
            border-radius: 15px;
            box-shadow: 0 5px 25px rgba(0,0,0,0.06);
        }
        h1 {
            font-size: 2.8rem;
            color: #1a3a4f;
            margin-bottom: 1.5rem;
            line-height: 1.2;
            border-left: 6px solid #d45a2a;
            padding-left: 1rem;
        }
        h2 {
            font-size: 2rem;
            color: #2a5c7a;
            margin: 2.5rem 0 1rem 0;
            padding-bottom: 0.5rem;
            border-bottom: 2px dashed #e0e0e0;
        }
        h3 {
            font-size: 1.6rem;
            color: #3a7a9c;
            margin: 2rem 0 1rem 0;
        }
        h4 {
            font-size: 1.3rem;
            color: #555;
            margin: 1.5rem 0 0.8rem 0;
        }
        p {
            margin-bottom: 1.5rem;
            text-align: justify;
            font-size: 1.1rem;
        }
        .intro {
            font-size: 1.2rem;
            background-color: #f0f8ff;
            padding: 1.5rem;
            border-radius: 10px;
            margin-bottom: 2rem;
            border-left: 4px solid #2a5c7a;
        }
        .highlight {
            background-color: #fff9e6;
            padding: 1.5rem;
            border-radius: 10px;
            border: 1px solid #ffd280;
            margin: 2rem 0;
        }
        .emoji { font-size: 1.2em; margin-right: 5px; }
        .lead-in { font-weight: bold; color: #1a3a4f; }
        .updated-time {
            font-style: italic;
            color: #777;
            font-size: 0.95rem;
            text-align: right;
            margin-top: 3rem;
            padding-top: 1rem;
            border-top: 1px solid #eee;
        }
        aside {
            background: #f8f9fa;
            padding: 2rem;
            border-radius: 15px;
            align-self: start;
            position: sticky;
            top: 120px;
            box-shadow: 0 3px 15px rgba(0,0,0,0.05);
        }
        .sidebar-widget {
            margin-bottom: 2.5rem;
        }
        .sidebar-widget h3 {
            font-size: 1.4rem;
            color: #2a5c7a;
            margin-bottom: 1.2rem;
            padding-bottom: 0.5rem;
            border-bottom: 1px solid #ddd;
        }
        .search-form, .comment-form, .rating-form {
            display: flex;
            flex-direction: column;
            gap: 1rem;
        }
        input, textarea, select {
            padding: 0.8rem 1rem;
            border: 1px solid #ccc;
            border-radius: 8px;
            font-family: inherit;
            font-size: 1rem;
            width: 100%;
        }
        input:focus, textarea:focus, select:focus {
            outline: none;
            border-color: #2a5c7a;
            box-shadow: 0 0 0 3px rgba(42, 92, 122, 0.1);
        }
        button, .btn {
            background: linear-gradient(to right, #2a5c7a, #3a7a9c);
            color: white;
            border: none;
            padding: 0.9rem 1.8rem;
            border-radius: 8px;
            cursor: pointer;
            font-weight: bold;
            font-size: 1rem;
            transition: all 0.3s;
        }
        button:hover, .btn:hover {
            background: linear-gradient(to right, #3a7a9c, #4a9abc);
            transform: translateY(-2px);
            box-shadow: 0 5px 12px rgba(0,0,0,0.15);
        }
        .article-img {
            margin: 2.5rem auto;
            border-radius: 12px;
            overflow: hidden;
            box-shadow: 0 8px 20px rgba(0,0,0,0.1);
            max-width: 800px;
        }
        .article-img img {
            width: 100%;
            transition: transform 0.5s;
        }
        .article-img:hover img {
            transform: scale(1.03);
        }
        .img-caption {
            text-align: center;
            font-style: italic;
            color: #666;
            padding: 0.8rem;
            font-size: 0.95rem;
            background: #f9f9f9;
        }
        .links-box {
            background: #f1f7fb;
            padding: 1.5rem;
            border-radius: 10px;
            margin: 2rem 0;
        }
        .links-box ul {
            list-style-position: inside;
            column-count: 2;
            column-gap: 2rem;
        }
        .links-box li { margin-bottom: 0.7rem; }
        .site-footer {
            background-color: #1a3a4f;
            color: #ccc;
            padding: 3rem 2rem;
            border-radius: 12px 12px 0 0;
            margin-top: 4rem;
            text-align: center;
        }
        .footer-content {
            display: flex;
            flex-direction: column;
            align-items: center;
            gap: 2rem;
        }
        .friend-links {
            display: flex;
            flex-wrap: wrap;
            justify-content: center;
            gap: 1.5rem;
            margin: 1.5rem 0;
        }
        friend-link {
            display: inline-block;
            background: rgba(255,255,255,0.1);
            padding: 0.5rem 1.2rem;
            border-radius: 20px;
            transition: all 0.3s;
        }
        friend-link:hover {
            background: rgba(255,255,255,0.2);
            transform: translateY(-3px);
        }
        friend-link a { color: #a3d5ff; }
        .copyright {
            font-size: 0.9rem;
            color: #aaa;
            margin-top: 1.5rem;
            border-top: 1px solid #2a5c7a;
            padding-top: 1.5rem;
            width: 100%;
        }
        @media (max-width: 768px) {
            .header-container { flex-direction: column; align-items: flex-start; gap: 1rem; }
            .main-nav { width: 100%; }
            .main-nav ul {
                flex-direction: column;
                display: none;
                gap: 0;
                margin-top: 1rem;
            }
            .main-nav.active ul { display: flex; }
            .main-nav li { width: 100%; }
            .main-nav a {
                display: block;
                padding: 0.8rem 1rem;
                border-bottom: 1px solid rgba(255,255,255,0.1);
            }
            .hamburger { display: block; }
            .content-wrapper { gap: 2rem; }
            article, aside { padding: 1.5rem; }
            h1 { font-size: 2.2rem; }
            h2 { font-size: 1.8rem; }
            .links-box ul { column-count: 1; }
        }