* {
            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;
            background: linear-gradient(135deg, #f5f7fa 0%, #e4e8f0 100%);
            max-width: 100%;
            overflow-x: hidden;
        }
        img {
            max-width: 100%;
            height: auto;
            display: block;
        }
        .container {
            width: 100%;
            max-width: 1200px;
            margin: 0 auto;
            padding: 0 20px;
        }
        .text-center { text-align: center; }
        .bold { font-weight: 700; }
        .highlight {
            background-color: #fffacd;
            padding: 0 5px;
            border-radius: 3px;
        }
        .section-spacing {
            padding: 60px 0;
        }
        .content-wrapper {
            background-color: #fff;
            border-radius: 12px;
            box-shadow: 0 10px 30px rgba(0, 0, 0, 0.05);
            padding: 40px;
            margin-bottom: 30px;
        }
        .site-header {
            background: linear-gradient(90deg, #1a237e 0%, #283593 50%, #3949ab 100%);
            color: white;
            padding: 20px 0;
            position: sticky;
            top: 0;
            z-index: 1000;
            box-shadow: 0 4px 12px rgba(0, 0, 0, 0.1);
        }
        .header-container {
            display: flex;
            justify-content: space-between;
            align-items: center;
        }
        .my-logo a {
            font-size: 2.2rem;
            font-weight: 800;
            color: white;
            text-decoration: none;
            display: flex;
            align-items: center;
            gap: 12px;
            letter-spacing: -0.5px;
        }
        .my-logo i {
            color: #4fc3f7;
            font-size: 2.5rem;
        }
        .my-logo span {
            background: linear-gradient(90deg, #4fc3f7, #29b6f6);
            -webkit-background-clip: text;
            background-clip: text;
            color: transparent;
        }
        .nav-desktop {
            display: flex;
            gap: 30px;
        }
        @media (max-width: 768px) {
            .nav-desktop { display: none; }
        }
        .nav-desktop a {
            color: #e3f2fd;
            text-decoration: none;
            font-weight: 600;
            font-size: 1.05rem;
            padding: 8px 0;
            position: relative;
            transition: color 0.3s;
        }
        .nav-desktop a:hover {
            color: #4fc3f7;
        }
        .nav-desktop a::after {
            content: '';
            position: absolute;
            bottom: 0;
            left: 0;
            width: 0;
            height: 3px;
            background: #4fc3f7;
            transition: width 0.3s;
            border-radius: 2px;
        }
        .nav-desktop a:hover::after {
            width: 100%;
        }
        .hamburger {
            display: none;
            background: none;
            border: none;
            color: white;
            font-size: 1.8rem;
            cursor: pointer;
            padding: 5px;
        }
        @media (max-width: 768px) {
            .hamburger { display: block; }
        }
        .nav-mobile {
            display: none;
            flex-direction: column;
            background-color: #1a237e;
            position: absolute;
            top: 100%;
            left: 0;
            width: 100%;
            padding: 20px;
            box-shadow: 0 10px 15px rgba(0, 0, 0, 0.1);
            border-top: 1px solid #3949ab;
        }
        .nav-mobile.active {
            display: flex;
        }
        .nav-mobile a {
            color: #e3f2fd;
            text-decoration: none;
            padding: 15px 0;
            border-bottom: 1px solid #283593;
            font-weight: 600;
            transition: padding-left 0.3s;
        }
        .nav-mobile a:hover {
            padding-left: 10px;
            color: #4fc3f7;
        }
        .breadcrumb {
            background-color: #e8eaf6;
            padding: 15px 0;
            font-size: 0.9rem;
        }
        .breadcrumb ol {
            display: flex;
            flex-wrap: wrap;
            list-style: none;
        }
        .breadcrumb li {
            margin-right: 10px;
        }
        .breadcrumb li:not(:last-child)::after {
            content: '›';
            margin-left: 10px;
            color: #5c6bc0;
        }
        .breadcrumb a {
            color: #3949ab;
            text-decoration: none;
        }
        .breadcrumb a:hover {
            text-decoration: underline;
        }
        .breadcrumb .current {
            color: #1a237e;
            font-weight: 600;
        }
        .search-section {
            background-color: #e3f2fd;
            padding: 30px 0;
            margin-bottom: 40px;
        }
        .search-form {
            max-width: 700px;
            margin: 0 auto;
            display: flex;
            border-radius: 50px;
            overflow: hidden;
            box-shadow: 0 8px 20px rgba(25, 118, 210, 0.2);
        }
        .search-input {
            flex-grow: 1;
            padding: 18px 25px;
            border: none;
            font-size: 1.1rem;
            outline: none;
        }
        .search-button {
            background: linear-gradient(90deg, #1976d2, #0d47a1);
            color: white;
            border: none;
            padding: 0 35px;
            cursor: pointer;
            font-size: 1.1rem;
            font-weight: 600;
            transition: background 0.3s;
        }
        .search-button:hover {
            background: linear-gradient(90deg, #0d47a1, #1976d2);
        }
        main {
            padding: 20px 0 60px;
        }
        .article-meta {
            color: #666;
            font-size: 0.95rem;
            margin-bottom: 25px;
            display: flex;
            flex-wrap: wrap;
            gap: 20px;
            padding-bottom: 15px;
            border-bottom: 1px dashed #ddd;
        }
        .last-updated {
            color: #d32f2f;
            font-weight: 600;
        }
        h1 {
            font-size: 2.8rem;
            color: #1a237e;
            margin-bottom: 25px;
            line-height: 1.2;
            border-left: 6px solid #4fc3f7;
            padding-left: 20px;
        }
        @media (max-width: 768px) {
            h1 { font-size: 2.2rem; }
        }
        h2 {
            font-size: 2.1rem;
            color: #283593;
            margin: 50px 0 20px;
            padding-bottom: 10px;
            border-bottom: 2px solid #e8eaf6;
        }
        h3 {
            font-size: 1.7rem;
            color: #3949ab;
            margin: 35px 0 15px;
        }
        h4 {
            font-size: 1.4rem;
            color: #5c6bc0;
            margin: 25px 0 12px;
        }
        p {
            margin-bottom: 22px;
            font-size: 1.1rem;
            text-align: justify;
        }
        .intro {
            font-size: 1.3rem;
            color: #555;
            background-color: #f3f5fd;
            padding: 25px;
            border-radius: 10px;
            margin-bottom: 35px;
            border-left: 5px solid #7986cb;
        }
        .pull-quote {
            font-size: 1.5rem;
            font-style: italic;
            color: #5c6bc0;
            border-left: 5px solid #ff9800;
            padding: 25px;
            margin: 40px 0;
            background-color: #fff8e1;
            border-radius: 0 10px 10px 0;
        }
        .link-list {
            background-color: #f5f5f5;
            padding: 25px;
            border-radius: 10px;
            margin: 30px 0;
        }
        .link-list h4 {
            margin-top: 0;
        }
        .link-list ul {
            list-style-position: inside;
            column-count: 2;
            column-gap: 40px;
        }
        @media (max-width: 600px) {
            .link-list ul { column-count: 1; }
        }
        .link-list li {
            margin-bottom: 10px;
            break-inside: avoid;
        }
        .link-list a {
            color: #1976d2;
            text-decoration: none;
            font-weight: 600;
        }
        .link-list a:hover {
            text-decoration: underline;
            color: #0d47a1;
        }
        .featured-image {
            margin: 40px auto;
            border-radius: 12px;
            overflow: hidden;
            box-shadow: 0 15px 30px rgba(0, 0, 0, 0.1);
            max-width: 900px;
        }
        .image-caption {
            text-align: center;
            font-style: italic;
            color: #666;
            padding: 10px;
            background-color: #f9f9f9;
            font-size: 0.95rem;
        }
        .rating-section {
            background-color: #f1f8e9;
            padding: 30px;
            border-radius: 12px;
            margin: 50px 0;
            text-align: center;
        }
        .rating-title {
            color: #33691e;
            margin-bottom: 20px;
        }
        .stars {
            font-size: 2.5rem;
            margin: 20px 0;
            cursor: pointer;
            display: inline-flex;
            direction: ltr;
        }
        .star {
            color: #ddd;
            margin: 0 5px;
            transition: color 0.2s, transform 0.2s;
        }
        .star:hover,
        .star.hovered {
            color: #ff9800;
            transform: scale(1.2);
        }
        .star.selected {
            color: #ff9800;
        }
        #rating-value {
            font-size: 1.2rem;
            font-weight: bold;
            color: #33691e;
            margin-left: 10px;
        }
        .rating-form {
            margin-top: 20px;
        }
        .rating-submit {
            background-color: #4caf50;
            color: white;
            border: none;
            padding: 12px 30px;
            border-radius: 50px;
            font-weight: 600;
            cursor: pointer;
            transition: background-color 0.3s;
        }
        .rating-submit:hover {
            background-color: #388e3c;
        }
        .comments-section {
            margin-top: 60px;
            border-top: 2px solid #e0e0e0;
            padding-top: 40px;
        }
        .comment-form {
            background-color: #f5f5f5;
            padding: 30px;
            border-radius: 12px;
            margin-bottom: 40px;
        }
        .form-group {
            margin-bottom: 20px;
        }
        .form-group label {
            display: block;
            margin-bottom: 8px;
            font-weight: 600;
            color: #555;
        }
        .form-control {
            width: 100%;
            padding: 15px;
            border: 1px solid #ccc;
            border-radius: 8px;
            font-size: 1rem;
            transition: border 0.3s;
        }
        .form-control:focus {
            border-color: #3949ab;
            outline: none;
            box-shadow: 0 0 0 3px rgba(57, 73, 171, 0.1);
        }
        .submit-button {
            background: linear-gradient(90deg, #3949ab, #283593);
            color: white;
            border: none;
            padding: 15px 35px;
            border-radius: 8px;
            font-size: 1.1rem;
            font-weight: 600;
            cursor: pointer;
            transition: background 0.3s;
        }
        .submit-button:hover {
            background: linear-gradient(90deg, #283593, #3949ab);
        }
        .site-footer {
            background: linear-gradient(90deg, #1a237e 0%, #0d1938 100%);
            color: #e3f2fd;
            padding: 60px 0 30px;
        }
        .footer-container {
            display: grid;
            grid-template-columns: repeat(auto-fit, minmax(250px, 1fr));
            gap: 40px;
            margin-bottom: 40px;
        }
        .footer-logo {
            font-size: 1.8rem;
            font-weight: 700;
            margin-bottom: 20px;
        }
        .footer-logo a {
            color: #4fc3f7;
            text-decoration: none;
        }
        .footer-heading {
            font-size: 1.3rem;
            color: #bbdefb;
            margin-bottom: 25px;
            padding-bottom: 10px;
            border-bottom: 2px solid #3949ab;
        }
        .footer-links a {
            color: #e3f2fd;
            text-decoration: none;
            display: block;
            margin-bottom: 12px;
            transition: color 0.3s, padding-left 0.3s;
        }
        .footer-links a:hover {
            color: #4fc3f7;
            padding-left: 8px;
        }
        friend-link {
            display: block;
            background-color: rgba(255, 255, 255, 0.05);
            padding: 15px;
            border-radius: 8px;
            margin-bottom: 10px;
        }
        friend-link a {
            color: #bbdefb;
            font-weight: 600;
        }
        .copyright {
            text-align: center;
            padding-top: 30px;
            border-top: 1px solid #3949ab;
            color: #90a4ae;
            font-size: 0.95rem;
        }