* { 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: #f9f9f9;
            background-image: linear-gradient(to bottom, #ffffff, #f0f0f0 100px);
            max-width: 1400px;
            margin: 0 auto;
            padding: 0;
            overflow-x: hidden;
        }
        h1, h2, h3, h4 { color: #1a365d; margin-bottom: 1rem; font-weight: 700; line-height: 1.3; }
        h1 { font-size: clamp(2.5rem, 5vw, 3.5rem); margin-top: 1.5rem; text-align: center; border-bottom: 3px solid #2d3748; padding-bottom: 0.5rem; }
        h2 { font-size: clamp(1.8rem, 4vw, 2.5rem); margin-top: 2.5rem; padding-bottom: 0.3rem; border-bottom: 2px solid #cbd5e0; }
        h3 { font-size: clamp(1.4rem, 3vw, 1.9rem); margin-top: 2rem; color: #2d3748; }
        h4 { font-size: 1.3rem; margin-top: 1.5rem; color: #4a5568; }
        p { margin-bottom: 1.5rem; font-size: 1.1rem; text-align: justify; }
        a { color: #2b6cb0; text-decoration: none; transition: color 0.3s ease, background-color 0.3s ease; }
        a:hover { color: #1a365d; text-decoration: underline; }
        strong { color: #2d3748; font-weight: 700; }
        em { font-style: italic; }
        .container {
            display: grid;
            grid-template-columns: 1fr;
            grid-template-areas:
                "header"
                "breadcrumb"
                "main"
                "sidebar"
                "footer";
            gap: 2rem;
            padding: 0 1rem;
        }
        @media (min-width: 992px) {
            .container {
                grid-template-columns: 3fr 1fr;
                grid-template-areas:
                    "header header"
                    "breadcrumb breadcrumb"
                    "main sidebar"
                    "footer footer";
                padding: 0 2rem;
            }
        }
        header {
            grid-area: header;
            background: linear-gradient(135deg, #1a365d 0%, #2d3748 100%);
            color: white;
            padding: 1.5rem 1rem;
            border-radius: 0 0 12px 12px;
            box-shadow: 0 4px 12px rgba(0, 0, 0, 0.1);
            display: flex;
            flex-direction: column;
            align-items: center;
        }
        .header-top {
            display: flex;
            justify-content: space-between;
            align-items: center;
            width: 100%;
            flex-wrap: wrap;
        }
        .my-logo {
            font-family: 'Georgia', serif;
            font-size: 2.8rem;
            font-weight: bold;
            color: #f7fafc;
            text-decoration: none;
            display: flex;
            align-items: center;
        }
        .my-logo i { margin-right: 10px; color: #e2e8f0; }
        .my-logo:hover { color: #fff; text-decoration: none; }
        .hamburger {
            display: block;
            cursor: pointer;
            background: none;
            border: none;
            color: white;
            font-size: 1.8rem;
            padding: 0.5rem;
        }
        @media (min-width: 768px) {
            .hamburger { display: none; }
        }
        nav {
            width: 100%;
            margin-top: 1.5rem;
        }
        #main-nav {
            display: none;
            flex-direction: column;
            list-style: none;
            background-color: #2d3748;
            border-radius: 8px;
            padding: 1rem;
        }
        #main-nav.active { display: flex; }
        @media (min-width: 768px) {
            #main-nav {
                display: flex;
                flex-direction: row;
                justify-content: center;
                background: none;
                padding: 0;
                margin-top: 0;
            }
        }
        #main-nav li { margin: 0.5rem 0; }
        @media (min-width: 768px) {
            #main-nav li { margin: 0 1rem; }
        }
        #main-nav a {
            color: #e2e8f0;
            padding: 0.75rem 1.25rem;
            border-radius: 6px;
            display: block;
            text-align: center;
            font-weight: 600;
        }
        #main-nav a:hover {
            background-color: #4a5568;
            color: white;
            text-decoration: none;
        }
        .breadcrumb {
            grid-area: breadcrumb;
            background-color: #edf2f7;
            padding: 1rem;
            border-radius: 8px;
            font-size: 0.95rem;
        }
        .breadcrumb a { color: #4a5568; }
        .breadcrumb a:hover { color: #1a365d; }
        .breadcrumb span { color: #718096; }
        main {
            grid-area: main;
            background-color: white;
            padding: 2.5rem;
            border-radius: 12px;
            box-shadow: 0 6px 15px rgba(0, 0, 0, 0.05);
        }
        aside {
            grid-area: sidebar;
            background-color: white;
            padding: 2rem;
            border-radius: 12px;
            box-shadow: 0 6px 15px rgba(0, 0, 0, 0.05);
        }
        .widget { margin-bottom: 2.5rem; }
        .widget h3 {
            font-size: 1.4rem;
            border-left: 5px solid #2b6cb0;
            padding-left: 0.75rem;
            margin-bottom: 1.2rem;
        }
        form { display: flex; flex-direction: column; gap: 1rem; }
        input, textarea, select {
            padding: 0.9rem;
            border: 1px solid #cbd5e0;
            border-radius: 6px;
            font-size: 1rem;
            width: 100%;
            transition: border-color 0.3s;
        }
        input:focus, textarea:focus, select:focus {
            outline: none;
            border-color: #2b6cb0;
            box-shadow: 0 0 0 3px rgba(43, 108, 176, 0.2);
        }
        button {
            background: linear-gradient(to right, #2b6cb0, #1a365d);
            color: white;
            border: none;
            padding: 1rem 1.5rem;
            border-radius: 6px;
            cursor: pointer;
            font-weight: bold;
            font-size: 1rem;
            transition: all 0.3s ease;
            display: inline-flex;
            align-items: center;
            justify-content: center;
        }
        button:hover {
            background: linear-gradient(to right, #1a365d, #2b6cb0);
            transform: translateY(-2px);
            box-shadow: 0 4px 8px rgba(0, 0, 0, 0.15);
        }
        .rating {
            display: flex;
            flex-direction: row-reverse;
            justify-content: flex-end;
            gap: 0.3rem;
            margin: 0.5rem 0;
        }
        .rating input { display: none; }
        .rating label {
            font-size: 1.8rem;
            color: #cbd5e0;
            cursor: pointer;
            transition: color 0.2s;
        }
        .rating input:checked ~ label,
        .rating label:hover,
        .rating label:hover ~ label { color: #f6e05e; }
        .featured-image {
            width: 100%;
            max-height: 500px;
            object-fit: cover;
            border-radius: 10px;
            margin: 2rem 0;
            box-shadow: 0 8px 20px rgba(0, 0, 0, 0.1);
            border: 5px solid #edf2f7;
        }
        .links-list {
            background-color: #f7fafc;
            padding: 1.5rem;
            border-radius: 10px;
            margin: 2rem 0;
            border-left: 5px solid #2b6cb0;
        }
        .links-list ul { list-style-position: inside; }
        .links-list li { margin-bottom: 0.8rem; }
        footer {
            grid-area: footer;
            background: linear-gradient(135deg, #1a202c 0%, #2d3748 100%);
            color: #e2e8f0;
            padding: 3rem 2rem;
            border-radius: 12px 12px 0 0;
            text-align: center;
        }
        friend-link {
            display: block;
            margin: 1.5rem 0;
            font-size: 1.1rem;
        }
        friend-link a {
            color: #90cdf4;
            font-weight: bold;
        }
        .copyright {
            margin-top: 2rem;
            padding-top: 1.5rem;
            border-top: 1px solid #4a5568;
            font-size: 0.9rem;
            color: #a0aec0;
        }
        .highlight-box {
            background: linear-gradient(135deg, #e6fffa, #b2f5ea);
            border-left: 6px solid #38b2ac;
            padding: 1.5rem;
            margin: 2rem 0;
            border-radius: 0 8px 8px 0;
        }
        .update-time {
            font-size: 0.95rem;
            color: #718096;
            text-align: right;
            font-style: italic;
            margin-top: 2rem;
            padding-top: 1rem;
            border-top: 1px dashed #cbd5e0;
        }
        .emoji { font-size: 1.2em; margin-right: 0.3rem; }