* {
            margin: 0;
            padding: 0;
            box-sizing: border-box;
        }
        :root {
            --primary: #1a3a5c;
            --primary-light: #2a5a8c;
            --secondary: #e8b84b;
            --secondary-light: #f0d080;
            --bg: #f5f3ef;
            --card-bg: #ffffff;
            --text: #1e1e1e;
            --text-light: #4a4a4a;
            --border: #ddd6cf;
            --shadow: 0 4px 20px rgba(0, 0, 0, 0.06);
            --radius: 16px;
            --font: 'Segoe UI', system-ui, -apple-system, sans-serif;
            --max-width: 1180px;
            --header-bg: #0f2a3f;
            --footer-bg: #0f2a3f;
        }
        html {
            scroll-behavior: smooth;
        }
        body {
            font-family: var(--font);
            background: var(--bg);
            color: var(--text);
            line-height: 1.7;
            font-size: 1.05rem;
            -webkit-font-smoothing: antialiased;
        }
        a {
            color: var(--primary-light);
            text-decoration: none;
            transition: color 0.2s;
        }
        a:hover {
            color: var(--secondary);
            text-decoration: underline;
        }
        img {
            max-width: 100%;
            height: auto;
            border-radius: var(--radius);
            display: block;
        }
        .container {
            max-width: var(--max-width);
            margin: 0 auto;
            padding: 0 20px;
        }
        header {
            background: var(--header-bg);
            color: #fff;
            padding: 14px 0;
            position: sticky;
            top: 0;
            z-index: 100;
            box-shadow: 0 2px 12px rgba(0, 0, 0, 0.15);
        }
        header .container {
            display: flex;
            align-items: center;
            justify-content: space-between;
            flex-wrap: wrap;
        }
        .my-logo {
            font-size: 1.9rem;
            font-weight: 800;
            letter-spacing: -0.5px;
            color: var(--secondary) !important;
            text-decoration: none !important;
            display: flex;
            align-items: center;
            gap: 8px;
        }
        .my-logo i {
            color: var(--secondary);
            font-size: 2rem;
        }
        .my-logo:hover {
            color: var(--secondary-light) !important;
            text-decoration: none !important;
        }
        .nav-toggle {
            display: none;
            background: none;
            border: 2px solid var(--secondary);
            color: var(--secondary);
            font-size: 1.6rem;
            padding: 6px 12px;
            border-radius: 8px;
            cursor: pointer;
            transition: 0.2s;
        }
        .nav-toggle:hover {
            background: var(--secondary);
            color: var(--header-bg);
        }
        nav {
            display: flex;
            gap: 28px;
            align-items: center;
            flex-wrap: wrap;
        }
        nav a {
            color: #e8e0d8;
            font-weight: 500;
            font-size: 0.98rem;
            position: relative;
            padding-bottom: 4px;
            text-decoration: none !important;
        }
        nav a::after {
            content: '';
            position: absolute;
            bottom: 0;
            left: 0;
            width: 0;
            height: 2px;
            background: var(--secondary);
            transition: width 0.25s;
        }
        nav a:hover::after {
            width: 100%;
        }
        nav a:hover {
            color: var(--secondary);
            text-decoration: none !important;
        }
        .breadcrumb {
            background: transparent;
            padding: 14px 0 6px;
            font-size: 0.88rem;
            color: var(--text-light);
        }
        .breadcrumb .container {
            display: flex;
            flex-wrap: wrap;
            align-items: center;
            gap: 6px;
        }
        .breadcrumb a {
            color: var(--primary-light);
        }
        .breadcrumb span {
            color: #888;
        }
        .hero {
            padding: 40px 0 20px;
            text-align: center;
        }
        .hero h1 {
            font-size: 2.8rem;
            font-weight: 800;
            color: var(--primary);
            line-height: 1.2;
            margin-bottom: 16px;
        }
        .hero h1 i {
            color: var(--secondary);
        }
        .hero p {
            font-size: 1.15rem;
            max-width: 780px;
            margin: 0 auto 24px;
            color: var(--text-light);
        }
        .hero .meta {
            font-size: 0.9rem;
            color: #888;
            display: flex;
            justify-content: center;
            gap: 24px;
            flex-wrap: wrap;
        }
        .content {
            padding: 20px 0 60px;
        }
        .content-grid {
            display: grid;
            grid-template-columns: 1fr 300px;
            gap: 44px;
        }
        .main-article h2 {
            font-size: 2rem;
            color: var(--primary);
            margin: 48px 0 16px;
            padding-bottom: 8px;
            border-bottom: 3px solid var(--secondary);
        }
        .main-article h2 i {
            color: var(--secondary);
        }
        .main-article h3 {
            font-size: 1.45rem;
            color: var(--primary-light);
            margin: 32px 0 12px;
        }
        .main-article h4 {
            font-size: 1.18rem;
            color: var(--text);
            margin: 20px 0 8px;
            font-weight: 600;
        }
        .main-article p {
            margin-bottom: 18px;
            color: var(--text);
        }
        .main-article ul,
        .main-article ol {
            margin: 0 0 20px 24px;
        }
        .main-article li {
            margin-bottom: 8px;
        }
        .main-article strong {
            color: var(--primary);
        }
        .main-article .feature-box {
            background: var(--card-bg);
            border-left: 5px solid var(--secondary);
            padding: 20px 24px;
            border-radius: 0 var(--radius) var(--radius) 0;
            margin: 24px 0;
            box-shadow: var(--shadow);
        }
        .main-article .feature-box p:last-child {
            margin-bottom: 0;
        }
        .article-img {
            margin: 32px 0;
            border-radius: var(--radius);
            box-shadow: var(--shadow);
            background: var(--card-bg);
            padding: 8px;
        }
        .article-img img {
            border-radius: calc(var(--radius) - 4px);
        }
        .article-img figcaption {
            text-align: center;
            font-size: 0.85rem;
            color: #888;
            padding: 10px 0 4px;
            font-style: italic;
        }
        .sidebar {
            position: sticky;
            top: 120px;
            align-self: start;
        }
        .sidebar-card {
            background: var(--card-bg);
            border-radius: var(--radius);
            padding: 24px 20px;
            box-shadow: var(--shadow);
            margin-bottom: 28px;
        }
        .sidebar-card h3 {
            font-size: 1.2rem;
            margin-bottom: 14px;
            color: var(--primary);
            border-bottom: 2px solid var(--secondary);
            padding-bottom: 8px;
        }
        .sidebar-card ul {
            list-style: none;
            padding: 0;
            margin: 0;
        }
        .sidebar-card li {
            margin-bottom: 10px;
        }
        .sidebar-card a {
            display: flex;
            align-items: center;
            gap: 8px;
            font-size: 0.95rem;
        }
        .sidebar-card a i {
            color: var(--secondary);
            width: 18px;
        }
        .search-form {
            display: flex;
            gap: 8px;
            margin-top: 6px;
        }
        .search-form input {
            flex: 1;
            padding: 10px 14px;
            border: 2px solid var(--border);
            border-radius: 30px;
            font-size: 0.95rem;
            outline: none;
            transition: 0.2s;
            background: #fafafa;
        }
        .search-form input:focus {
            border-color: var(--primary-light);
            background: #fff;
        }
        .search-form button {
            background: var(--primary);
            color: #fff;
            border: none;
            border-radius: 30px;
            padding: 10px 20px;
            font-size: 0.95rem;
            cursor: pointer;
            transition: 0.2s;
            display: flex;
            align-items: center;
            gap: 6px;
        }
        .search-form button:hover {
            background: var(--primary-light);
        }
        .interaction-area {
            margin-top: 56px;
            padding-top: 32px;
            border-top: 2px solid var(--border);
        }
        .interaction-area h2 {
            margin-top: 0 !important;
        }
        .comment-form,
        .rating-form {
            background: var(--card-bg);
            padding: 24px 28px;
            border-radius: var(--radius);
            box-shadow: var(--shadow);
            margin-bottom: 28px;
        }
        .comment-form textarea {
            width: 100%;
            padding: 14px;
            border: 2px solid var(--border);
            border-radius: 12px;
            font-size: 0.95rem;
            font-family: var(--font);
            resize: vertical;
            min-height: 100px;
            outline: none;
            transition: 0.2s;
            background: #fafafa;
        }
        .comment-form textarea:focus {
            border-color: var(--primary-light);
            background: #fff;
        }
        .comment-form .form-row {
            display: flex;
            gap: 12px;
            margin-top: 12px;
            flex-wrap: wrap;
        }
        .comment-form .form-row input {
            flex: 1;
            padding: 10px 14px;
            border: 2px solid var(--border);
            border-radius: 30px;
            font-size: 0.95rem;
            outline: none;
            min-width: 160px;
            background: #fafafa;
        }
        .comment-form .form-row input:focus {
            border-color: var(--primary-light);
            background: #fff;
        }
        .comment-form button,
        .rating-form button {
            background: var(--secondary);
            color: var(--primary);
            font-weight: 700;
            border: none;
            border-radius: 30px;
            padding: 10px 28px;
            font-size: 0.98rem;
            cursor: pointer;
            transition: 0.2s;
            margin-top: 10px;
        }
        .comment-form button:hover,
        .rating-form button:hover {
            background: var(--secondary-light);
            transform: scale(1.02);
        }
        .rating-stars {
            display: flex;
            gap: 6px;
            font-size: 1.8rem;
            color: #ddd;
            cursor: pointer;
            margin: 8px 0 12px;
        }
        .rating-stars i:hover,
        .rating-stars i.active {
            color: var(--secondary);
        }
        .rating-stars i {
            transition: 0.15s;
        }
        .rating-stars i:hover {
            transform: scale(1.2);
        }
        footer {
            background: var(--footer-bg);
            color: #ccc;
            padding: 48px 0 28px;
            margin-top: 60px;
        }
        footer .container {
            display: grid;
            grid-template-columns: 2fr 1fr 1fr;
            gap: 40px;
        }
        footer h3 {
            color: var(--secondary);
            font-size: 1.1rem;
            margin-bottom: 14px;
        }
        footer a {
            color: #bbb;
            font-size: 0.92rem;
        }
        footer a:hover {
            color: var(--secondary);
        }
        footer ul {
            list-style: none;
            padding: 0;
        }
        footer li {
            margin-bottom: 8px;
        }
        .footer-copy {
            grid-column: 1 / -1;
            border-top: 1px solid #2a4a6a;
            padding-top: 20px;
            margin-top: 20px;
            text-align: center;
            font-size: 0.85rem;
            color: #888;
        }
        friend-link {
            display: block;
            padding: 16px 0 8px;
        }
        friend-link a {
            display: inline-block;
            margin: 0 12px 6px 0;
            color: #bbb;
        }
        friend-link a:hover {
            color: var(--secondary);
        }
        @media (max-width: 1024px) {
            .content-grid {
                grid-template-columns: 1fr;
            }
            .sidebar {
                position: static;
                display: grid;
                grid-template-columns: 1fr 1fr;
                gap: 20px;
                margin-top: 20px;
            }
            .sidebar .sidebar-card {
                margin-bottom: 0;
            }
        }
        @media (max-width: 768px) {
            .nav-toggle {
                display: block;
            }
            nav {
                display: none;
                width: 100%;
                flex-direction: column;
                gap: 12px;
                padding: 18px 0 8px;
                border-top: 1px solid #2a4a6a;
                margin-top: 12px;
            }
            nav.open {
                display: flex;
            }
            nav a {
                font-size: 1.05rem;
                padding: 6px 0;
            }
            .hero h1 {
                font-size: 2rem;
            }
            .hero p {
                font-size: 1rem;
            }
            .main-article h2 {
                font-size: 1.6rem;
            }
            .main-article h3 {
                font-size: 1.25rem;
            }
            .sidebar {
                grid-template-columns: 1fr;
            }
            footer .container {
                grid-template-columns: 1fr;
                gap: 24px;
            }
            .rating-stars {
                font-size: 1.5rem;
            }
            .comment-form .form-row {
                flex-direction: column;
            }
            .comment-form .form-row input {
                min-width: auto;
            }
            .breadcrumb .container {
                font-size: 0.8rem;
            }
            .my-logo {
                font-size: 1.5rem;
            }
        }
        @media (max-width: 480px) {
            .container {
                padding: 0 14px;
            }
            .hero h1 {
                font-size: 1.65rem;
            }
            .search-form {
                flex-wrap: wrap;
            }
            .search-form button {
                width: 100%;
                justify-content: center;
            }
        }
        .text-secondary {
            color: var(--secondary);
        }
        .mb-0 {
            margin-bottom: 0;
        }
        .mt-0 {
            margin-top: 0;
        }
        .flex-center {
            display: flex;
            align-items: center;
            gap: 8px;
        }
        .gap-4 {
            gap: 4px;
        }
        .tag {
            display: inline-block;
            background: var(--secondary);
            color: var(--primary);
            font-size: 0.75rem;
            font-weight: 700;
            padding: 2px 12px;
            border-radius: 30px;
            letter-spacing: 0.3px;
        }