*,
        *::before,
        *::after {
            box-sizing: border-box;
            margin: 0;
            padding: 0;
        }
        html {
            scroll-behavior: smooth;
        }
        body {
            font-family: 'Segoe UI', Roboto, Helvetica, Arial, sans-serif;
            background: #0a0e12;
            color: #c8d1d9;
            line-height: 1.8;
            font-size: 16px;
        }
        a {
            color: #f0a500;
            text-decoration: none;
            transition: color 0.2s;
        }
        a:hover {
            color: #ffc94d;
        }
        .site-header {
            background: linear-gradient(135deg, #141b24, #1c2833);
            border-bottom: 3px solid #f0a500;
            position: sticky;
            top: 0;
            z-index: 1000;
            box-shadow: 0 4px 20px rgba(0, 0, 0, 0.4);
        }
        .header-inner {
            max-width: 1280px;
            margin: 0 auto;
            display: flex;
            align-items: center;
            justify-content: space-between;
            padding: 14px 20px;
            flex-wrap: wrap;
        }
        .my-logo {
            font-size: 1.6rem;
            font-weight: 800;
            color: #f0a500;
            text-transform: uppercase;
            letter-spacing: 1px;
            line-height: 1.2;
        }
        .my-logo:hover {
            color: #ffd77a;
        }
        .my-logo small {
            display: block;
            font-size: 0.7rem;
            color: #85929e;
            letter-spacing: 3px;
            text-transform: none;
        }
        .main-nav {
            display: flex;
            gap: 18px;
            align-items: center;
            flex-wrap: wrap;
        }
        .main-nav a {
            color: #aeb6bf;
            font-weight: 600;
            font-size: 0.9rem;
            padding: 6px 10px;
            border-radius: 4px;
            transition: background 0.2s, color 0.2s;
        }
        .main-nav a:hover {
            background: rgba(240, 165, 0, 0.15);
            color: #f0a500;
        }
        .nav-toggle {
            display: none;
            background: none;
            border: none;
            color: #f0a500;
            font-size: 1.5rem;
            cursor: pointer;
        }
        .breadcrumb {
            max-width: 1280px;
            margin: 0 auto;
            padding: 12px 20px;
            font-size: 0.8rem;
            color: #7f8c8d;
            border-bottom: 1px solid #232f3b;
        }
        .breadcrumb a {
            color: #f0a500;
        }
        .breadcrumb i {
            margin: 0 6px;
            font-size: 0.7rem;
        }
        .main-container {
            max-width: 1280px;
            margin: 0 auto;
            padding: 24px 20px;
            display: grid;
            grid-template-columns: 1fr 320px;
            gap: 32px;
        }
        .article-content {
            background: #111820;
            border-radius: 10px;
            padding: 28px 32px;
            border: 1px solid #1f2a36;
            box-shadow: 0 8px 30px rgba(0, 0, 0, 0.3);
        }
        .article-content h1 {
            font-size: 2rem;
            color: #f0a500;
            margin-bottom: 10px;
            line-height: 1.3;
            border-bottom: 2px solid #1f2a36;
            padding-bottom: 14px;
        }
        .article-content h2 {
            font-size: 1.5rem;
            color: #e8a87c;
            margin: 36px 0 14px;
            padding-left: 10px;
            border-left: 4px solid #f0a500;
        }
        .article-content h3 {
            font-size: 1.15rem;
            color: #d0b49f;
            margin: 24px 0 10px;
        }
        .article-content h4 {
            font-size: 1rem;
            color: #aeb6bf;
            margin: 16px 0 6px;
            font-style: italic;
        }
        .article-content p {
            margin-bottom: 14px;
            text-align: justify;
        }
        .article-content ul,
        .article-content ol {
            margin: 10px 0 16px 24px;
        }
        .article-content li {
            margin-bottom: 6px;
        }
        .article-content strong {
            color: #f0a500;
            font-weight: 700;
        }
        .featured-image {
            width: 100%;
            border-radius: 8px;
            margin: 20px 0;
            border: 1px solid #2a3a4a;
            box-shadow: 0 4px 14px rgba(0, 0, 0, 0.3);
        }
        .img-caption {
            font-size: 0.8rem;
            color: #7f8c8d;
            text-align: center;
            margin-top: -10px;
            margin-bottom: 20px;
        }
        .search-widget {
            background: #1a242e;
            border-radius: 8px;
            padding: 18px;
            margin: 24px 0;
            border: 1px solid #2a3a4a;
        }
        .search-widget form {
            display: flex;
            gap: 8px;
        }
        .search-widget input[type="text"] {
            flex: 1;
            padding: 10px 14px;
            border-radius: 6px;
            border: 1px solid #34495e;
            background: #0e1419;
            color: #ecf0f1;
            font-size: 0.9rem;
            outline: none;
            transition: border-color 0.2s;
        }
        .search-widget input[type="text"]:focus {
            border-color: #f0a500;
        }
        .search-widget button {
            background: #f0a500;
            color: #111;
            border: none;
            padding: 8px 18px;
            border-radius: 6px;
            font-weight: 700;
            cursor: pointer;
            transition: background 0.2s;
        }
        .search-widget button:hover {
            background: #ffc94d;
        }
        .info-box {
            background: #1a242e;
            border-left: 4px solid #f0a500;
            padding: 14px 18px;
            border-radius: 0 6px 6px 0;
            margin: 18px 0;
        }
        .pro-tip {
            background: #1b2a1a;
            border-left-color: #27ae60;
        }
        .warning {
            background: #2a1a1a;
            border-left-color: #e74c3c;
        }
        .sidebar {
            display: flex;
            flex-direction: column;
            gap: 24px;
        }
        .sidebar-widget {
            background: #111820;
            border-radius: 10px;
            padding: 20px;
            border: 1px solid #1f2a36;
        }
        .sidebar-widget h3 {
            color: #f0a500;
            font-size: 1rem;
            margin-bottom: 10px;
            padding-bottom: 8px;
            border-bottom: 1px solid #2a3a4a;
        }
        .sidebar-widget ul {
            list-style: none;
        }
        .sidebar-widget li {
            margin-bottom: 8px;
            padding-left: 18px;
            position: relative;
        }
        .sidebar-widget li::before {
            content: "\f054";
            font-family: "Font Awesome 6 Free";
            font-weight: 900;
            font-size: 0.6rem;
            color: #f0a500;
            position: absolute;
            left: 0;
            top: 6px;
        }
        .rate-form {
            background: #1a242e;
            border-radius: 8px;
            padding: 18px;
            margin: 20px 0;
            border: 1px solid #2a3a4a;
        }
        .rate-form .stars {
            font-size: 1.4rem;
            color: #f0a500;
            margin-bottom: 10px;
            display: flex;
            gap: 4px;
            cursor: pointer;
        }
        .rate-form select {
            padding: 8px 12px;
            border-radius: 4px;
            border: 1px solid #34495e;
            background: #0e1419;
            color: #ecf0f1;
            margin-right: 8px;
        }
        .rate-form button,
        .comment-form button {
            background: #f0a500;
            color: #111;
            border: none;
            padding: 8px 18px;
            border-radius: 4px;
            font-weight: 700;
            cursor: pointer;
            transition: background 0.2s;
        }
        .rate-form button:hover,
        .comment-form button:hover {
            background: #ffc94d;
        }
        .comment-form textarea {
            width: 100%;
            padding: 12px;
            border-radius: 6px;
            border: 1px solid #34495e;
            background: #0e1419;
            color: #ecf0f1;
            min-height: 80px;
            font-family: inherit;
            margin-bottom: 10px;
            resize: vertical;
        }
        .site-footer {
            background: #0d141a;
            border-top: 3px solid #f0a500;
            padding: 32px 20px 18px;
            margin-top: 40px;
        }
        .footer-inner {
            max-width: 1280px;
            margin: 0 auto;
            display: grid;
            grid-template-columns: 1fr 1fr;
            gap: 24px;
            padding-bottom: 20px;
            border-bottom: 1px solid #1f2a36;
        }
        .footer-col h4 {
            color: #f0a500;
            font-size: 0.95rem;
            margin-bottom: 12px;
        }
        .footer-col a {
            display: block;
            padding: 2px 0;
            font-size: 0.85rem;
        }
        .copyright {
            text-align: center;
            padding-top: 18px;
            font-size: 0.78rem;
            color: #7f8c8d;
        }
        .copyright a {
            color: #f0a500;
        }
        .last-updated {
            font-size: 0.8rem;
            color: #7f8c8d;
            font-style: italic;
            margin-bottom: 18px;
            display: flex;
            align-items: center;
            gap: 6px;
        }
        friend-link {
            display: block;
            background: #1a242e;
            border: 1px solid #2a3a4a;
            border-radius: 8px;
            padding: 16px;
            margin-top: 16px;
            font-size: 0.85rem;
        }
        friend-link a {
            color: #f0a500;
            margin: 0 8px;
        }
        @media (max-width: 768px) {
            .header-inner {
                flex-direction: column;
                align-items: flex-start;
                gap: 10px;
            }
            .nav-toggle {
                display: block;
                position: absolute;
                top: 14px;
                right: 20px;
            }
            .main-nav {
                display: none;
                flex-direction: column;
                width: 100%;
                gap: 8px;
                padding: 10px 0;
            }
            .main-nav.open {
                display: flex;
            }
            .main-container {
                grid-template-columns: 1fr;
                padding: 16px 12px;
            }
            .article-content {
                padding: 16px 14px;
            }
            .article-content h1 {
                font-size: 1.4rem;
            }
            .footer-inner {
                grid-template-columns: 1fr;
            }
            .search-widget form {
                flex-direction: column;
            }
        }
        @media (max-width: 480px) {
            .article-content {
                padding: 12px 10px;
            }
            .article-content h2 {
                font-size: 1.2rem;
            }
        }