* {
            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: #f8f9fa;
            max-width: 100vw;
            overflow-x: hidden;
        }
        h1, h2, h3, h4 {
            font-family: 'Georgia', serif;
            color: #1a365d;
            margin-bottom: 1rem;
            font-weight: 700;
            line-height: 1.3;
        }
        h1 {
            font-size: clamp(2.5rem, 5vw, 3.5rem);
            border-left: 6px solid #e63946;
            padding-left: 1.5rem;
            margin-top: 2rem;
            margin-bottom: 2rem;
        }
        h2 {
            font-size: clamp(1.8rem, 4vw, 2.5rem);
            margin-top: 3rem;
            padding-bottom: 0.5rem;
            border-bottom: 2px solid #a8dadc;
        }
        h3 {
            font-size: clamp(1.5rem, 3vw, 2rem);
            margin-top: 2.5rem;
            color: #457b9d;
        }
        h4 {
            font-size: clamp(1.2rem, 2.5vw, 1.6rem);
            margin-top: 2rem;
            color: #1d3557;
        }
        p {
            margin-bottom: 1.5rem;
            font-size: 1.1rem;
            text-align: justify;
            hyphens: auto;
        }
        strong {
            color: #e63946;
            font-weight: 700;
        }
        em {
            color: #457b9d;
            font-style: italic;
        }
        .container {
            width: 100%;
            max-width: 1200px;
            margin: 0 auto;
            padding: 0 20px;
        }
        header {
            background: linear-gradient(135deg, #1d3557 0%, #457b9d 100%);
            color: white;
            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;
            padding: 1rem 20px;
        }
        .my-logo {
            font-family: 'Impact', 'Arial Black', sans-serif;
            font-size: 2rem;
            font-weight: 900;
            color: #a8dadc;
            text-decoration: none;
            letter-spacing: 1px;
            transition: color 0.3s ease;
        }
        .my-logo:hover {
            color: #f1faee;
            text-shadow: 0 0 8px rgba(168, 218, 220, 0.7);
        }
        .my-logo span {
            color: #e63946;
        }
        .desktop-nav ul {
            display: flex;
            list-style: none;
            gap: 2rem;
        }
        .desktop-nav a {
            color: #f1faee;
            text-decoration: none;
            font-weight: 600;
            font-size: 1.1rem;
            padding: 0.5rem 1rem;
            border-radius: 4px;
            transition: all 0.3s ease;
        }
        .desktop-nav a:hover,
        .desktop-nav a.active {
            background-color: rgba(230, 57, 70, 0.9);
            color: white;
        }
        .hamburger {
            display: none;
            font-size: 1.8rem;
            background: none;
            border: none;
            color: #f1faee;
            cursor: pointer;
            padding: 0.5rem;
        }
        .mobile-nav {
            display: none;
            background-color: #1d3557;
            position: absolute;
            top: 100%;
            left: 0;
            width: 100%;
            box-shadow: 0 5px 10px rgba(0,0,0,0.2);
            z-index: 999;
        }
        .mobile-nav.active {
            display: block;
        }
        .mobile-nav ul {
            list-style: none;
            padding: 1rem 0;
        }
        .mobile-nav li {
            text-align: center;
            padding: 0.8rem 0;
        }
        .mobile-nav a {
            color: #f1faee;
            text-decoration: none;
            font-size: 1.2rem;
            display: block;
            padding: 0.5rem;
            transition: background 0.3s;
        }
        .mobile-nav a:hover {
            background-color: #457b9d;
        }
        .breadcrumb {
            background-color: #e9ecef;
            padding: 1rem 20px;
            font-size: 0.95rem;
            border-bottom: 1px solid #dee2e6;
        }
        .breadcrumb a {
            color: #457b9d;
            text-decoration: none;
        }
        .breadcrumb a:hover {
            text-decoration: underline;
        }
        .content-wrapper {
            display: grid;
            grid-template-columns: 1fr 300px;
            gap: 3rem;
            padding: 2rem 0;
        }
        .sidebar {
            background: white;
            border-radius: 10px;
            padding: 1.5rem;
            box-shadow: 0 5px 15px rgba(0, 0, 0, 0.05);
            height: fit-content;
            position: sticky;
            top: 140px;
        }
        .sidebar h3 {
            margin-top: 0;
            color: #1a365d;
            font-size: 1.5rem;
            padding-bottom: 0.5rem;
            border-bottom: 2px solid #a8dadc;
        }
        .search-box {
            margin-bottom: 2rem;
        }
        .search-box input {
            width: 100%;
            padding: 0.8rem 1rem;
            border: 2px solid #a8dadc;
            border-radius: 50px;
            font-size: 1rem;
            transition: border 0.3s;
        }
        .search-box input:focus {
            outline: none;
            border-color: #457b9d;
        }
        .search-box button {
            width: 100%;
            margin-top: 0.8rem;
            padding: 0.8rem;
            background: linear-gradient(to right, #457b9d, #1d3557);
            color: white;
            border: none;
            border-radius: 50px;
            font-weight: 600;
            cursor: pointer;
            transition: transform 0.3s, box-shadow 0.3s;
        }
        .search-box button:hover {
            transform: translateY(-3px);
            box-shadow: 0 5px 15px rgba(29, 53, 87, 0.3);
        }
        .featured-image {
            width: 100%;
            border-radius: 10px;
            overflow: hidden;
            margin: 2rem 0;
            box-shadow: 0 10px 25px rgba(0, 0, 0, 0.1);
            transition: transform 0.5s ease;
        }
        .featured-image:hover {
            transform: scale(1.01);
        }
        .featured-image img {
            width: 100%;
            height: auto;
            display: block;
            transition: transform 0.5s ease;
        }
        .featured-image figcaption {
            background-color: #1d3557;
            color: #f1faee;
            padding: 1rem;
            font-style: italic;
            text-align: center;
        }
        .interactive-module {
            background: white;
            border-radius: 10px;
            padding: 2rem;
            margin: 3rem 0;
            box-shadow: 0 8px 25px rgba(0, 0, 0, 0.08);
            border-top: 5px solid #e63946;
        }
        .interactive-module h3 {
            margin-top: 0;
        }
        .rating-stars {
            display: flex;
            gap: 0.5rem;
            margin: 1rem 0;
            font-size: 1.8rem;
            color: #ffd700;
            cursor: pointer;
        }
        .rating-stars i {
            transition: transform 0.2s, color 0.2s;
        }
        .rating-stars i:hover {
            transform: scale(1.2);
        }
        .interactive-module textarea,
        .interactive-module input {
            width: 100%;
            padding: 1rem;
            margin-bottom: 1rem;
            border: 2px solid #ced4da;
            border-radius: 8px;
            font-family: inherit;
            font-size: 1rem;
            transition: border 0.3s;
        }
        .interactive-module textarea:focus,
        .interactive-module input:focus {
            border-color: #457b9d;
            outline: none;
        }
        .interactive-module button {
            background: linear-gradient(to right, #e63946, #d00000);
            color: white;
            border: none;
            padding: 1rem 2rem;
            border-radius: 50px;
            font-weight: 700;
            cursor: pointer;
            transition: all 0.3s ease;
        }
        .interactive-module button:hover {
            transform: translateY(-3px);
            box-shadow: 0 7px 15px rgba(230, 57, 70, 0.4);
        }
        .content-main a {
            color: #1d3557;
            text-decoration: none;
            border-bottom: 2px solid #a8dadc;
            padding-bottom: 2px;
            font-weight: 600;
            transition: all 0.3s ease;
        }
        .content-main a:hover {
            color: #e63946;
            border-bottom-color: #e63946;
            background-color: rgba(168, 218, 220, 0.1);
        }
        footer {
            background: linear-gradient(135deg, #1d3557 0%, #0d1b2a 100%);
            color: #f1faee;
            padding: 3rem 0 1.5rem;
            margin-top: 4rem;
        }
        .footer-content {
            display: grid;
            grid-template-columns: repeat(auto-fit, minmax(250px, 1fr));
            gap: 2rem;
            margin-bottom: 2rem;
        }
        .footer-section h4 {
            color: #a8dadc;
            margin-bottom: 1.5rem;
            font-size: 1.3rem;
        }
        friend-link {
            display: block;
            margin-bottom: 0.8rem;
        }
        friend-link a {
            color: #f1faee;
            text-decoration: none;
            transition: color 0.3s, padding-left 0.3s;
            display: block;
        }
        friend-link a:hover {
            color: #a8dadc;
            padding-left: 8px;
        }
        .copyright {
            text-align: center;
            padding-top: 1.5rem;
            border-top: 1px solid #457b9d;
            font-size: 0.9rem;
            color: #a8dadc;
        }
        .update-time {
            background-color: #e9f5db;
            padding: 0.5rem 1rem;
            border-radius: 4px;
            display: inline-block;
            margin-bottom: 1.5rem;
            font-weight: 600;
            color: #2d6a4f;
            border-left: 4px solid #2d6a4f;
        }
        @media (max-width: 992px) {
            .content-wrapper {
                grid-template-columns: 1fr;
                gap: 2rem;
            }
            .sidebar {
                position: static;
                order: -1;
            }
        }
        @media (max-width: 768px) {
            .desktop-nav {
                display: none;
            }
            .hamburger {
                display: block;
            }
            .header-container {
                padding: 0.8rem 20px;
            }
            .my-logo {
                font-size: 1.7rem;
            }
            h1 {
                font-size: 2.2rem;
                padding-left: 1rem;
            }
            h2 {
                font-size: 1.8rem;
            }
            .interactive-module {
                padding: 1.5rem;
            }
        }
        @media (max-width: 480px) {
            .container {
                padding: 0 15px;
            }
            h1 {
                font-size: 1.8rem;
            }
            h2 {
                font-size: 1.5rem;
            }
            .footer-content {
                grid-template-columns: 1fr;
            }
        }
        @media print {
            header, .sidebar, .interactive-module, footer, .breadcrumb, .hamburger {
                display: none;
            }
            body {
                background: white;
                color: black;
                font-size: 12pt;
            }
            .content-wrapper {
                display: block;
            }
            a {
                color: black;
                text-decoration: underline;
            }
        }