        * {
            margin: 0;
            padding: 0;
            box-sizing: border-box;
        }
        html {
            scroll-behavior: smooth;
            font-size: 16px;
        }
        body {
            font-family: 'Segoe UI', Roboto, -apple-system, BlinkMacSystemFont, sans-serif;
            background: #f5f7fb;
            color: #1a1a2e;
            line-height: 1.7;
            padding: 0;
            margin: 0;
        }
        img {
            max-width: 100%;
            height: auto;
            display: block;
        }
        a {
            color: #0052cc;
            text-decoration: none;
            transition: color 0.2s ease;
        }
        a:hover {
            color: #ff6b00;
            text-decoration: underline;
        }
        .container {
            max-width: 1200px;
            margin: 0 auto;
            padding: 0 20px;
        }
        .site-header {
            background: linear-gradient(135deg, #0b1a2e 0%, #1a3a5c 100%);
            color: #fff;
            padding: 16px 0;
            position: sticky;
            top: 0;
            z-index: 1000;
            box-shadow: 0 4px 20px rgba(0, 0, 0, 0.3);
        }
        .header-inner {
            display: flex;
            align-items: center;
            justify-content: space-between;
            flex-wrap: wrap;
        }
        .my-logo {
            font-size: 1.8rem;
            font-weight: 800;
            letter-spacing: -0.5px;
            color: #f0c040;
            text-transform: uppercase;
            font-style: italic;
            background: linear-gradient(to right, #f0c040, #ff8c00);
            -webkit-background-clip: text;
            -webkit-text-fill-color: transparent;
            background-clip: text;
            transition: transform 0.3s ease;
            display: inline-block;
        }
        .my-logo:hover {
            transform: scale(1.02);
            text-decoration: none;
        }
        .my-logo small {
            font-size: 0.7rem;
            display: block;
            -webkit-text-fill-color: #aac8e4;
            color: #aac8e4;
            font-style: normal;
            letter-spacing: 2px;
            text-transform: none;
        }
        .nav-toggle {
            display: none;
            background: none;
            border: 2px solid rgba(255, 255, 255, 0.3);
            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);
        }
        .primary-nav {
            display: flex;
            gap: 8px;
            flex-wrap: wrap;
            align-items: center;
        }
        .primary-nav a {
            color: #e0edf9;
            padding: 8px 16px;
            border-radius: 30px;
            font-size: 0.9rem;
            font-weight: 500;
            transition: all 0.25s ease;
            white-space: nowrap;
        }
        .primary-nav a:hover {
            background: rgba(255, 255, 255, 0.15);
            color: #f0c040;
            text-decoration: none;
        }
        .primary-nav a i {
            margin-right: 6px;
            font-size: 0.85rem;
        }
        .breadcrumb {
            background: #e9edf2;
            padding: 12px 0;
            font-size: 0.85rem;
            border-bottom: 1px solid #d0d7de;
        }
        .breadcrumb ol {
            list-style: none;
            display: flex;
            flex-wrap: wrap;
            gap: 6px 12px;
        }
        .breadcrumb li+li::before {
            content: "›";
            margin-right: 10px;
            color: #6b7a8f;
            font-weight: 700;
        }
        .breadcrumb a {
            color: #2c3e50;
        }
        .breadcrumb .current {
            color: #8b5cf6;
            font-weight: 600;
        }
        .hero {
            background: linear-gradient(to bottom, #0b1a2e, #1a3a5c);
            color: #fff;
            padding: 50px 0 40px;
            text-align: center;
        }
        .hero h1 {
            font-size: 2.6rem;
            font-weight: 800;
            letter-spacing: -0.5px;
            line-height: 1.2;
            margin-bottom: 16px;
        }
        .hero h1 span {
            background: linear-gradient(to right, #f0c040, #ff8c00);
            -webkit-background-clip: text;
            -webkit-text-fill-color: transparent;
            background-clip: text;
        }
        .hero p {
            font-size: 1.15rem;
            color: #cbd5e1;
            max-width: 720px;
            margin: 0 auto 24px;
        }
        .hero-meta {
            display: flex;
            justify-content: center;
            flex-wrap: wrap;
            gap: 20px 40px;
            font-size: 0.9rem;
            color: #94a3b8;
        }
        .hero-meta i {
            margin-right: 6px;
            color: #f0c040;
        }
        .search-section {
            background: #fff;
            padding: 28px 0;
            box-shadow: 0 2px 12px rgba(0, 0, 0, 0.04);
        }
        .search-form {
            display: flex;
            max-width: 600px;
            margin: 0 auto;
            border-radius: 50px;
            overflow: hidden;
            border: 2px solid #e2e8f0;
            transition: border-color 0.3s;
            background: #fff;
        }
        .search-form:focus-within {
            border-color: #f0c040;
        }
        .search-form input {
            flex: 1;
            padding: 14px 22px;
            border: none;
            outline: none;
            font-size: 1rem;
            background: transparent;
            color: #1a1a2e;
        }
        .search-form input::placeholder {
            color: #94a3b8;
        }
        .search-form button {
            background: #f0c040;
            color: #0b1a2e;
            border: none;
            padding: 0 28px;
            font-size: 1.1rem;
            cursor: pointer;
            transition: background 0.25s;
            font-weight: 600;
        }
        .search-form button:hover {
            background: #ff8c00;
        }
        .main-content {
            padding: 40px 0 60px;
        }
        .content-grid {
            display: grid;
            grid-template-columns: 1fr 300px;
            gap: 40px;
        }
        .content-body {
            background: #fff;
            border-radius: 20px;
            padding: 36px 40px;
            box-shadow: 0 4px 24px rgba(0, 0, 0, 0.05);
        }
        .content-body h2 {
            font-size: 1.9rem;
            margin-top: 48px;
            margin-bottom: 16px;
            padding-bottom: 8px;
            border-bottom: 3px solid #f0c040;
            color: #0b1a2e;
        }
        .content-body h2:first-of-type {
            margin-top: 0;
        }
        .content-body h3 {
            font-size: 1.45rem;
            margin-top: 32px;
            margin-bottom: 12px;
            color: #1a3a5c;
        }
        .content-body h4 {
            font-size: 1.15rem;
            margin-top: 24px;
            margin-bottom: 8px;
            color: #2c3e50;
            font-weight: 600;
        }
        .content-body p {
            margin-bottom: 18px;
            color: #334155;
        }
        .content-body ul,
        .content-body ol {
            margin: 0 0 18px 24px;
            color: #334155;
        }
        .content-body li {
            margin-bottom: 8px;
        }
        .content-body strong {
            color: #0b1a2e;
        }
        .content-body .table-wrap {
            overflow-x: auto;
            margin: 24px 0;
        }
        .content-body table {
            width: 100%;
            border-collapse: collapse;
            font-size: 0.95rem;
        }
        .content-body table th {
            background: #1a3a5c;
            color: #fff;
            padding: 12px 16px;
            text-align: left;
            font-weight: 600;
        }
        .content-body table td {
            padding: 10px 16px;
            border-bottom: 1px solid #e2e8f0;
        }
        .content-body table tr:nth-child(even) {
            background: #f8fafc;
        }
        .content-body table tr:hover {
            background: #eef2f7;
        }
        .feature-box {
            background: #f0f4fe;
            border-left: 5px solid #f0c040;
            padding: 20px 24px;
            border-radius: 0 12px 12px 0;
            margin: 24px 0;
        }
        .feature-box p:last-child {
            margin-bottom: 0;
        }
        .emoji-lg {
            font-size: 1.4rem;
            margin-right: 6px;
        }
        .img-placeholder {
            background: #e2e8f0;
            border-radius: 16px;
            overflow: hidden;
            margin: 28px 0;
            position: relative;
        }
        .img-placeholder img {
            width: 100%;
            display: block;
            object-fit: cover;
        }
        .img-caption {
            background: #f1f5f9;
            padding: 10px 18px;
            font-size: 0.85rem;
            color: #475569;
            text-align: center;
            font-style: italic;
        }
        .link-list-inline {
            display: flex;
            flex-wrap: wrap;
            gap: 10px 16px;
            margin: 18px 0;
            list-style: none;
        }
        .link-list-inline li a {
            background: #eef2f7;
            padding: 6px 18px;
            border-radius: 30px;
            font-size: 0.85rem;
            color: #1a3a5c;
            font-weight: 500;
            transition: all 0.2s;
        }
        .link-list-inline li a:hover {
            background: #f0c040;
            color: #0b1a2e;
            text-decoration: none;
        }
        .sidebar {
            display: flex;
            flex-direction: column;
            gap: 28px;
        }
        .sidebar-card {
            background: #fff;
            border-radius: 16px;
            padding: 24px 22px;
            box-shadow: 0 4px 16px rgba(0, 0, 0, 0.05);
        }
        .sidebar-card h3 {
            font-size: 1.2rem;
            color: #0b1a2e;
            margin-bottom: 14px;
            padding-bottom: 8px;
            border-bottom: 2px solid #f0c040;
        }
        .sidebar-card ul {
            list-style: none;
            padding: 0;
        }
        .sidebar-card ul li {
            margin-bottom: 10px;
        }
        .sidebar-card ul li a {
            color: #2c3e50;
            font-size: 0.92rem;
            display: flex;
            align-items: center;
            gap: 8px;
            transition: color 0.2s;
        }
        .sidebar-card ul li a:hover {
            color: #f0c040;
            text-decoration: none;
        }
        .sidebar-card ul li a i {
            color: #f0c040;
            width: 18px;
            text-align: center;
        }
        .rating-section {
            background: #fff;
            border-radius: 16px;
            padding: 24px 22px;
            box-shadow: 0 4px 16px rgba(0, 0, 0, 0.05);
            margin: 28px 0;
        }
        .rating-stars {
            display: flex;
            gap: 6px;
            font-size: 1.8rem;
            cursor: pointer;
            direction: rtl;
            justify-content: center;
        }
        .rating-stars input {
            display: none;
        }
        .rating-stars label {
            color: #d1d5db;
            transition: color 0.2s;
            cursor: pointer;
        }
        .rating-stars label:hover,
        .rating-stars label:hover~label,
        .rating-stars input:checked~label {
            color: #f0c040;
        }
        .rating-form button {
            display: block;
            margin: 16px auto 0;
            background: #0b1a2e;
            color: #fff;
            border: none;
            padding: 10px 32px;
            border-radius: 30px;
            font-size: 0.95rem;
            font-weight: 600;
            cursor: pointer;
            transition: background 0.25s;
        }
        .rating-form button:hover {
            background: #f0c040;
            color: #0b1a2e;
        }
        .comment-section {
            background: #fff;
            border-radius: 16px;
            padding: 24px 22px;
            box-shadow: 0 4px 16px rgba(0, 0, 0, 0.05);
            margin: 28px 0;
        }
        .comment-section textarea {
            width: 100%;
            padding: 14px 18px;
            border: 2px solid #e2e8f0;
            border-radius: 12px;
            font-size: 0.95rem;
            resize: vertical;
            min-height: 100px;
            font-family: inherit;
            transition: border-color 0.3s;
        }
        .comment-section textarea:focus {
            outline: none;
            border-color: #f0c040;
        }
        .comment-section input[type="text"] {
            width: 100%;
            padding: 12px 18px;
            border: 2px solid #e2e8f0;
            border-radius: 12px;
            font-size: 0.95rem;
            margin-top: 10px;
            transition: border-color 0.3s;
        }
        .comment-section input[type="text"]:focus {
            outline: none;
            border-color: #f0c040;
        }
        .comment-section .comment-btn {
            background: #0b1a2e;
            color: #fff;
            border: none;
            padding: 12px 32px;
            border-radius: 30px;
            font-size: 0.95rem;
            font-weight: 600;
            cursor: pointer;
            transition: background 0.25s;
            margin-top: 12px;
        }
        .comment-section .comment-btn:hover {
            background: #f0c040;
            color: #0b1a2e;
        }
        .site-footer {
            background: #0b1a2e;
            color: #cbd5e1;
            padding: 40px 0 24px;
            margin-top: 40px;
        }
        .footer-grid {
            display: grid;
            grid-template-columns: repeat(auto-fit, minmax(200px, 1fr));
            gap: 32px;
            margin-bottom: 32px;
        }
        .site-footer h4 {
            color: #f0c040;
            font-size: 1.1rem;
            margin-bottom: 14px;
        }
        .site-footer a {
            color: #94a3b8;
            font-size: 0.9rem;
        }
        .site-footer a:hover {
            color: #f0c040;
        }
        .site-footer ul {
            list-style: none;
            padding: 0;
        }
        .site-footer ul li {
            margin-bottom: 8px;
        }
        friend-link {
            display: block;
            padding: 16px 0;
            border-top: 1px solid #1e3a5f;
            border-bottom: 1px solid #1e3a5f;
            margin-bottom: 20px;
            font-size: 0.9rem;
        }
        friend-link a {
            color: #94a3b8;
            margin: 0 8px;
        }
        friend-link a:hover {
            color: #f0c040;
        }
        .copyright {
            text-align: center;
            font-size: 0.85rem;
            color: #6b7a8f;
            padding-top: 16px;
        }
        .copyright strong {
            color: #94a3b8;
        }
        @media (max-width: 992px) {
            .content-grid {
                grid-template-columns: 1fr;
            }
            .content-body {
                padding: 24px 20px;
            }
            .hero h1 {
                font-size: 2rem;
            }
        }
        @media (max-width: 768px) {
            .nav-toggle {
                display: block;
            }
            .primary-nav {
                display: none;
                width: 100%;
                flex-direction: column;
                align-items: stretch;
                padding-top: 16px;
                gap: 4px;
            }
            .primary-nav.open {
                display: flex;
            }
            .primary-nav a {
                padding: 12px 18px;
                border-radius: 8px;
                border-bottom: 1px solid rgba(255, 255, 255, 0.05);
            }
            .my-logo {
                font-size: 1.4rem;
            }
            .hero h1 {
                font-size: 1.6rem;
            }
            .hero p {
                font-size: 1rem;
            }
            .content-body h2 {
                font-size: 1.5rem;
            }
            .content-body h3 {
                font-size: 1.2rem;
            }
            .content-body {
                padding: 18px 14px;
            }
            .search-form {
                flex-direction: column;
                border-radius: 16px;
                border: none;
                gap: 8px;
            }
            .search-form input {
                border: 2px solid #e2e8f0;
                border-radius: 12px;
                padding: 12px 16px;
            }
            .search-form button {
                border-radius: 12px;
                padding: 12px;
            }
            .breadcrumb ol {
                font-size: 0.75rem;
                gap: 4px 8px;
            }
        }
        @media (max-width: 480px) {
            .container {
                padding: 0 12px;
            }
            .hero h1 {
                font-size: 1.35rem;
            }
            .hero-meta {
                font-size: 0.78rem;
                gap: 10px 16px;
            }
            .content-body h2 {
                font-size: 1.3rem;
            }
            .content-body {
                padding: 14px 10px;
                border-radius: 12px;
            }
            .rating-stars {
                font-size: 1.4rem;
            }
        }
        @media print {
            .site-header {
                position: static;
                background: #fff;
                color: #000;
            }
            .nav-toggle {
                display: none !important;
            }
            .primary-nav {
                display: flex !important;
            }
            .site-header .my-logo {
                -webkit-text-fill-color: #0b1a2e;
                color: #0b1a2e;
            }
            .hero {
                background: #f5f7fb;
                color: #1a1a2e;
                padding: 20px 0;
            }
            .hero h1 span {
                -webkit-text-fill-color: #0b1a2e;
                color: #0b1a2e;
            }
            .search-section {
                display: none;
            }
            .site-footer {
                background: #f5f7fb;
                color: #333;
            }
            .rating-section .rating-stars label {
                color: #ccc;
            }
            .comment-section textarea {
                border-color: #ccc;
            }
            .sidebar {
                display: none;
            }
            .content-grid {
                grid-template-columns: 1fr;
            }
        }
