* {
            margin: 0;
            padding: 0;
            box-sizing: border-box;
        }
        body {
            font-family: 'Segoe UI', Roboto, Helvetica, Arial, sans-serif;
            background: #f4f7fc;
            color: #1e2a3a;
            line-height: 1.7;
            font-size: 16px;
        }
        a {
            color: #1a5f8e;
            text-decoration: none;
            transition: color 0.2s;
        }
        a:hover {
            color: #c0392b;
            text-decoration: underline;
        }
        img {
            max-width: 100%;
            height: auto;
            display: block;
            border-radius: 12px;
        }
        .container {
            max-width: 1200px;
            margin: 0 auto;
            padding: 0 20px;
        }
        header {
            background: linear-gradient(135deg, #0b1a2e, #1a3a5c);
            color: #fff;
            padding: 18px 0;
            border-bottom: 4px solid #f1c40f;
            position: sticky;
            top: 0;
            z-index: 1000;
            box-shadow: 0 4px 20px rgba(0, 0, 0, 0.15);
        }
        .header-inner {
            display: flex;
            align-items: center;
            justify-content: space-between;
            flex-wrap: wrap;
        }
        .my-logo {
            font-size: 2rem;
            font-weight: 800;
            letter-spacing: -0.5px;
            color: #f1c40f;
            text-shadow: 0 2px 8px rgba(0, 0, 0, 0.3);
            transition: transform 0.2s;
            display: inline-block;
        }
        .my-logo:hover {
            transform: scale(1.02);
            text-decoration: none;
            color: #f1c40f;
        }
        .my-logo span {
            color: #fff;
            font-weight: 300;
        }
        .nav-toggle {
            display: none;
            background: none;
            border: 2px solid rgba(255, 255, 255, 0.5);
            color: #fff;
            font-size: 1.6rem;
            padding: 6px 14px;
            border-radius: 8px;
            cursor: pointer;
            transition: background 0.2s;
        }
        .nav-toggle:hover {
            background: rgba(255, 255, 255, 0.1);
        }
        nav {
            display: flex;
            gap: 12px;
            flex-wrap: wrap;
            align-items: center;
        }
        nav a {
            color: #e0e9f0;
            font-weight: 500;
            padding: 8px 16px;
            border-radius: 30px;
            transition: background 0.2s, color 0.2s;
            font-size: 0.95rem;
        }
        nav a:hover {
            background: #f1c40f;
            color: #0b1a2e;
            text-decoration: none;
        }
        .breadcrumb {
            background: #e9eef3;
            padding: 10px 0;
            font-size: 0.9rem;
            color: #4a5b6e;
            border-bottom: 1px solid #d0d8e0;
        }
        .breadcrumb a {
            color: #1a5f8e;
        }
        .breadcrumb a:hover {
            color: #c0392b;
        }
        .breadcrumb span {
            margin: 0 6px;
            color: #8899aa;
        }
        .hero {
            background: linear-gradient(145deg, #eef2f7, #dce5ed);
            padding: 40px 0 50px;
            border-bottom: 1px solid #d0d8e0;
        }
        .hero h1 {
            font-size: 2.8rem;
            font-weight: 800;
            color: #0b1a2e;
            margin-bottom: 12px;
            line-height: 1.2;
        }
        .hero p {
            font-size: 1.2rem;
            color: #2c3e50;
            max-width: 780px;
        }
        .hero-meta {
            display: flex;
            flex-wrap: wrap;
            gap: 24px;
            margin-top: 18px;
            font-size: 0.95rem;
            color: #4a5b6e;
        }
        .hero-meta i {
            margin-right: 6px;
            color: #1a5f8e;
        }
        .last-updated {
            background: #f1c40f20;
            padding: 4px 14px;
            border-radius: 30px;
            font-weight: 600;
        }
        main {
            padding: 40px 0 60px;
        }
        .content-grid {
            display: grid;
            grid-template-columns: 1fr 300px;
            gap: 40px;
        }
        .article-body h2 {
            font-size: 2rem;
            font-weight: 700;
            color: #0b1a2e;
            margin: 48px 0 16px;
            border-left: 6px solid #f1c40f;
            padding-left: 18px;
        }
        .article-body h3 {
            font-size: 1.5rem;
            font-weight: 600;
            color: #1a3a5c;
            margin: 32px 0 12px;
        }
        .article-body h4 {
            font-size: 1.2rem;
            font-weight: 600;
            color: #2c3e50;
            margin: 24px 0 8px;
        }
        .article-body p {
            margin-bottom: 18px;
            color: #1e2a3a;
        }
        .article-body ul,
        .article-body ol {
            margin: 12px 0 20px 24px;
        }
        .article-body li {
            margin-bottom: 8px;
        }
        .article-body .highlight {
            background: #f1c40f18;
            padding: 4px 10px;
            border-radius: 6px;
            font-weight: 600;
        }
        .article-body blockquote {
            border-left: 4px solid #1a5f8e;
            background: #eef2f7;
            padding: 16px 24px;
            margin: 24px 0;
            border-radius: 0 12px 12px 0;
            font-style: italic;
            color: #2c3e50;
        }
        .article-body table {
            width: 100%;
            border-collapse: collapse;
            margin: 24px 0;
            font-size: 0.95rem;
            border-radius: 12px;
            overflow: hidden;
            box-shadow: 0 2px 12px rgba(0, 0, 0, 0.06);
        }
        .article-body th {
            background: #0b1a2e;
            color: #fff;
            padding: 14px 18px;
            text-align: left;
        }
        .article-body td {
            padding: 12px 18px;
            border-bottom: 1px solid #dce5ed;
            background: #fff;
        }
        .article-body tr:last-child td {
            border-bottom: none;
        }
        .article-body tr:hover td {
            background: #f4f7fc;
        }
        .img-wrapper {
            margin: 32px 0;
            border-radius: 16px;
            overflow: hidden;
            box-shadow: 0 8px 30px rgba(0, 0, 0, 0.08);
        }
        .img-wrapper figcaption {
            background: #fff;
            padding: 12px 20px;
            font-size: 0.9rem;
            color: #4a5b6e;
            border-top: 1px solid #e0e6ed;
            text-align: center;
        }
        .sidebar {
            position: sticky;
            top: 120px;
            align-self: start;
        }
        .sidebar-card {
            background: #fff;
            border-radius: 16px;
            padding: 24px;
            margin-bottom: 28px;
            box-shadow: 0 4px 20px rgba(0, 0, 0, 0.05);
            border: 1px solid #e0e6ed;
        }
        .sidebar-card h3 {
            font-size: 1.2rem;
            font-weight: 700;
            color: #0b1a2e;
            margin-bottom: 14px;
            border-bottom: 2px solid #f1c40f;
            padding-bottom: 8px;
        }
        .sidebar-card ul {
            list-style: none;
            padding: 0;
        }
        .sidebar-card ul li {
            padding: 6px 0;
            border-bottom: 1px solid #f0f2f5;
        }
        .sidebar-card ul li:last-child {
            border-bottom: none;
        }
        .sidebar-card ul li a {
            font-weight: 500;
        }
        .sidebar-card .rating-stars {
            color: #f1c40f;
            font-size: 1.3rem;
            letter-spacing: 2px;
        }
        .sidebar-card .score-display {
            font-size: 2rem;
            font-weight: 800;
            color: #0b1a2e;
        }
        .search-form {
            display: flex;
            gap: 8px;
            margin: 18px 0 10px;
            flex-wrap: wrap;
        }
        .search-form input[type="text"] {
            flex: 1;
            min-width: 160px;
            padding: 12px 18px;
            border: 2px solid #d0d8e0;
            border-radius: 30px;
            font-size: 1rem;
            outline: none;
            transition: border 0.2s;
        }
        .search-form input[type="text"]:focus {
            border-color: #1a5f8e;
        }
        .search-form button {
            padding: 12px 28px;
            background: #1a5f8e;
            color: #fff;
            border: none;
            border-radius: 30px;
            font-size: 1rem;
            font-weight: 600;
            cursor: pointer;
            transition: background 0.2s, transform 0.1s;
        }
        .search-form button:hover {
            background: #0b1a2e;
            transform: scale(1.02);
        }
        .comment-form textarea {
            width: 100%;
            padding: 14px 18px;
            border: 2px solid #d0d8e0;
            border-radius: 12px;
            font-size: 1rem;
            font-family: inherit;
            resize: vertical;
            min-height: 100px;
            outline: none;
            transition: border 0.2s;
        }
        .comment-form textarea:focus {
            border-color: #1a5f8e;
        }
        .comment-form .form-row {
            display: flex;
            gap: 12px;
            flex-wrap: wrap;
            margin: 12px 0;
        }
        .comment-form .form-row input {
            flex: 1;
            min-width: 140px;
            padding: 12px 18px;
            border: 2px solid #d0d8e0;
            border-radius: 30px;
            font-size: 1rem;
            outline: none;
            transition: border 0.2s;
        }
        .comment-form .form-row input:focus {
            border-color: #1a5f8e;
        }
        .comment-form button {
            padding: 12px 32px;
            background: #f1c40f;
            color: #0b1a2e;
            border: none;
            border-radius: 30px;
            font-size: 1rem;
            font-weight: 700;
            cursor: pointer;
            transition: background 0.2s, transform 0.1s;
        }
        .comment-form button:hover {
            background: #d4a800;
            transform: scale(1.02);
        }
        .score-form {
            display: flex;
            align-items: center;
            gap: 12px;
            flex-wrap: wrap;
            margin: 8px 0;
        }
        .score-form select {
            padding: 10px 20px;
            border: 2px solid #d0d8e0;
            border-radius: 30px;
            font-size: 1rem;
            outline: none;
            background: #fff;
            cursor: pointer;
        }
        .score-form select:focus {
            border-color: #1a5f8e;
        }
        .score-form button {
            padding: 10px 28px;
            background: #1a5f8e;
            color: #fff;
            border: none;
            border-radius: 30px;
            font-size: 1rem;
            font-weight: 600;
            cursor: pointer;
            transition: background 0.2s, transform 0.1s;
        }
        .score-form button:hover {
            background: #0b1a2e;
            transform: scale(1.02);
        }
        .form-feedback {
            font-size: 0.9rem;
            color: #2e7d32;
            margin-top: 6px;
            font-weight: 500;
        }
        friend-link {
            display: block;
            background: #0b1a2e;
            color: #e0e9f0;
            padding: 32px 0;
            border-top: 4px solid #f1c40f;
            margin-top: 40px;
        }
        friend-link .container {
            display: flex;
            flex-wrap: wrap;
            gap: 24px;
            justify-content: center;
        }
        friend-link a {
            color: #f1c40f;
            font-weight: 500;
            padding: 4px 12px;
            border-radius: 6px;
            transition: background 0.2s;
        }
        friend-link a:hover {
            background: rgba(241, 196, 15, 0.15);
            text-decoration: none;
            color: #fff;
        }
        friend-link .link-label {
            font-weight: 300;
            color: #8899aa;
            margin-right: 8px;
        }
        footer {
            background: #0b1a2e;
            color: #b0c4d8;
            padding: 28px 0;
            text-align: center;
            font-size: 0.9rem;
            border-top: 1px solid #1a3a5c;
        }
        footer a {
            color: #f1c40f;
        }
        footer a:hover {
            color: #fff;
        }
        footer .copyright {
            margin-top: 10px;
            letter-spacing: 0.3px;
        }
        @media (max-width: 1024px) {
            .content-grid {
                grid-template-columns: 1fr;
            }
            .sidebar {
                position: static;
                display: grid;
                grid-template-columns: 1fr 1fr;
                gap: 20px;
            }
            .sidebar-card {
                margin-bottom: 0;
            }
        }
        @media (max-width: 768px) {
            .header-inner {
                flex-wrap: wrap;
            }
            .nav-toggle {
                display: block;
            }
            nav {
                display: none;
                width: 100%;
                flex-direction: column;
                gap: 6px;
                padding: 18px 0 8px;
            }
            nav.open {
                display: flex;
            }
            nav a {
                padding: 12px 20px;
                border-radius: 10px;
                background: rgba(255, 255, 255, 0.05);
            }
            .hero h1 {
                font-size: 1.8rem;
            }
            .hero p {
                font-size: 1rem;
            }
            .article-body h2 {
                font-size: 1.5rem;
            }
            .article-body h3 {
                font-size: 1.2rem;
            }
            .sidebar {
                grid-template-columns: 1fr;
            }
            .search-form input[type="text"] {
                min-width: 120px;
            }
            .comment-form .form-row input {
                min-width: 100%;
            }
            .score-form {
                flex-direction: column;
                align-items: stretch;
            }
            .score-form select,
            .score-form button {
                width: 100%;
            }
            .my-logo {
                font-size: 1.5rem;
            }
            .breadcrumb {
                font-size: 0.8rem;
                padding: 8px 0;
            }
        }
        @media (max-width: 480px) {
            .container {
                padding: 0 12px;
            }
            .hero h1 {
                font-size: 1.5rem;
            }
            .article-body h2 {
                font-size: 1.3rem;
                padding-left: 12px;
            }
            .article-body h3 {
                font-size: 1.1rem;
            }
            .article-body table {
                font-size: 0.8rem;
            }
            .article-body th,
            .article-body td {
                padding: 8px 10px;
            }
        }
        .fade-in {
            opacity: 0;
            transform: translateY(20px);
            animation: fadeIn 0.6s ease forwards;
        }
        @keyframes fadeIn {
            to {
                opacity: 1;
                transform: translateY(0);
            }
        }
        .fade-in:nth-child(1) {
            animation-delay: 0.05s;
        }
        .fade-in:nth-child(2) {
            animation-delay: 0.1s;
        }
        .fade-in:nth-child(3) {
            animation-delay: 0.15s;
        }