*,
        *::before,
        *::after {
            box-sizing: border-box;
            margin: 0;
            padding: 0;
        }
        html {
            scroll-behavior: smooth;
            font-size: 16px;
        }
        body {
            font-family: system-ui, -apple-system, 'Segoe UI', Roboto, 'Helvetica Neue', Arial, sans-serif;
            background: #f7f9fc;
            color: #1a1d23;
            line-height: 1.7;
            padding: 0;
            margin: 0;
        }
        a {
            color: #2563eb;
            text-decoration: none;
            transition: color 0.2s;
        }
        a:hover {
            color: #1e40af;
            text-decoration: underline;
        }
        img {
            max-width: 100%;
            height: auto;
            display: block;
        }
        ul,
        ol {
            padding-left: 1.5rem;
        }
        h1,
        h2,
        h3,
        h4,
        h5,
        h6 {
            font-weight: 700;
            line-height: 1.25;
            margin-top: 1.5rem;
            margin-bottom: 0.75rem;
            color: #0b0e14;
        }
        h1 {
            font-size: 2.25rem;
            margin-top: 0.5rem;
        }
        h2 {
            font-size: 1.75rem;
            border-bottom: 2px solid #e2e8f0;
            padding-bottom: 0.4rem;
        }
        h3 {
            font-size: 1.35rem;
        }
        h4 {
            font-size: 1.1rem;
        }
        p {
            margin-bottom: 1.15rem;
        }
        .container {
            max-width: 1120px;
            margin: 0 auto;
            padding: 0 1.25rem;
        }
        .site-header {
            background: #0b0e14;
            color: #fff;
            padding: 0.75rem 1.25rem;
            position: sticky;
            top: 0;
            z-index: 1000;
            box-shadow: 0 2px 12px rgba(0, 0, 0, 0.25);
        }
        .header-inner {
            max-width: 1120px;
            margin: 0 auto;
            display: flex;
            align-items: center;
            justify-content: space-between;
            flex-wrap: wrap;
        }
        .my-logo {
            font-size: 1.6rem;
            font-weight: 800;
            letter-spacing: -0.5px;
            color: #fff;
            background: linear-gradient(135deg, #60a5fa, #a78bfa);
            -webkit-background-clip: text;
            -webkit-text-fill-color: transparent;
            background-clip: text;
            transition: opacity 0.2s;
        }
        .my-logo:hover {
            opacity: 0.85;
            text-decoration: none;
        }
        .my-logo small {
            font-size: 0.7rem;
            font-weight: 400;
            -webkit-text-fill-color: #94a3b8;
            color: #94a3b8;
            letter-spacing: 0.3px;
        }
        .nav-menu {
            display: flex;
            align-items: center;
            gap: 1.25rem;
            flex-wrap: wrap;
        }
        .nav-menu a {
            color: #e2e8f0;
            font-size: 0.92rem;
            font-weight: 500;
            padding: 0.4rem 0.2rem;
            border-bottom: 2px solid transparent;
            transition: border-color 0.2s, color 0.2s;
        }
        .nav-menu a:hover {
            color: #fff;
            border-bottom-color: #60a5fa;
            text-decoration: none;
        }
        .nav-menu .nav-cta {
            background: #2563eb;
            padding: 0.4rem 1rem;
            border-radius: 40px;
            border-bottom: none;
            font-weight: 600;
        }
        .nav-menu .nav-cta:hover {
            background: #1d4ed8;
            border-bottom: none;
        }
        .hamburger {
            display: none;
            background: none;
            border: none;
            color: #fff;
            font-size: 1.6rem;
            cursor: pointer;
            padding: 0.25rem 0.5rem;
        }
        .mobile-nav {
            display: none;
            width: 100%;
            background: #0b0e14;
            padding: 0.75rem 0 1rem;
            border-top: 1px solid #1e293b;
            margin-top: 0.5rem;
        }
        .mobile-nav a {
            display: block;
            color: #e2e8f0;
            padding: 0.6rem 0.25rem;
            font-size: 0.95rem;
            border-bottom: 1px solid #1e293b;
        }
        .mobile-nav a:last-child {
            border-bottom: none;
        }
        .mobile-nav a:hover {
            color: #60a5fa;
            text-decoration: none;
        }
        .breadcrumb {
            background: #f1f5f9;
            padding: 0.6rem 1.25rem;
            font-size: 0.85rem;
            border-bottom: 1px solid #e2e8f0;
        }
        .breadcrumb-inner {
            max-width: 1120px;
            margin: 0 auto;
            display: flex;
            flex-wrap: wrap;
            gap: 0.4rem 0.6rem;
            align-items: center;
        }
        .breadcrumb-inner a {
            color: #475569;
        }
        .breadcrumb-inner a:hover {
            color: #2563eb;
        }
        .breadcrumb-inner span {
            color: #64748b;
        }
        .breadcrumb-inner .sep {
            color: #94a3b8;
        }
        main {
            padding: 2rem 1.25rem 3rem;
        }
        .main-grid {
            max-width: 1120px;
            margin: 0 auto;
            display: grid;
            grid-template-columns: 1fr 300px;
            gap: 2.5rem;
        }
        .article-content {
            min-width: 0;
        }
        .sidebar {
            position: sticky;
            top: 6rem;
            align-self: start;
        }
        .sidebar-card {
            background: #fff;
            border-radius: 12px;
            padding: 1.5rem;
            margin-bottom: 1.5rem;
            box-shadow: 0 1px 6px rgba(0, 0, 0, 0.06);
            border: 1px solid #eef2f6;
        }
        .sidebar-card h3 {
            font-size: 1.1rem;
            margin-top: 0;
            margin-bottom: 0.75rem;
            border-bottom: 1px solid #eef2f6;
            padding-bottom: 0.5rem;
        }
        .sidebar-card ul {
            list-style: none;
            padding: 0;
        }
        .sidebar-card ul li {
            padding: 0.45rem 0;
            border-bottom: 1px solid #f1f5f9;
        }
        .sidebar-card ul li:last-child {
            border-bottom: none;
        }
        .sidebar-card ul li a {
            font-size: 0.92rem;
        }
        .featured-image-wrapper {
            margin: 1.5rem 0 2rem;
            border-radius: 16px;
            overflow: hidden;
            box-shadow: 0 4px 20px rgba(0, 0, 0, 0.08);
            background: #eef2f6;
        }
        .featured-image-wrapper img {
            width: 100%;
            height: auto;
            aspect-ratio: 16/9;
            object-fit: cover;
        }
        .info-box {
            background: #eef6ff;
            border-left: 5px solid #2563eb;
            padding: 1.25rem 1.5rem;
            border-radius: 8px;
            margin: 1.5rem 0;
        }
        .info-box strong {
            color: #1e40af;
        }
        .tip-box {
            background: #f0fdf4;
            border-left: 5px solid #22c55e;
            padding: 1.25rem 1.5rem;
            border-radius: 8px;
            margin: 1.5rem 0;
        }
        .alert-box {
            background: #fef9ef;
            border-left: 5px solid #f59e0b;
            padding: 1.25rem 1.5rem;
            border-radius: 8px;
            margin: 1.5rem 0;
        }
        .search-form {
            display: flex;
            gap: 0.5rem;
            margin: 1.5rem 0;
            max-width: 600px;
        }
        .search-form input {
            flex: 1;
            padding: 0.7rem 1rem;
            border: 2px solid #e2e8f0;
            border-radius: 40px;
            font-size: 0.95rem;
            outline: none;
            transition: border-color 0.2s;
        }
        .search-form input:focus {
            border-color: #2563eb;
        }
        .search-form button {
            padding: 0.7rem 1.5rem;
            background: #2563eb;
            color: #fff;
            border: none;
            border-radius: 40px;
            font-weight: 600;
            cursor: pointer;
            transition: background 0.2s;
        }
        .search-form button:hover {
            background: #1d4ed8;
        }
        .comment-section,
        .rating-section {
            background: #fff;
            border-radius: 16px;
            padding: 1.75rem;
            margin: 2rem 0;
            box-shadow: 0 1px 8px rgba(0, 0, 0, 0.05);
            border: 1px solid #eef2f6;
        }
        .comment-section h3,
        .rating-section h3 {
            margin-top: 0;
        }
        .comment-form textarea,
        .comment-form input {
            width: 100%;
            padding: 0.7rem 1rem;
            border: 2px solid #e2e8f0;
            border-radius: 10px;
            font-size: 0.95rem;
            margin-bottom: 0.75rem;
            resize: vertical;
            font-family: inherit;
        }
        .comment-form textarea:focus,
        .comment-form input:focus {
            border-color: #2563eb;
            outline: none;
        }
        .comment-form .btn,
        .rating-form .btn {
            background: #2563eb;
            color: #fff;
            border: none;
            padding: 0.65rem 1.6rem;
            border-radius: 40px;
            font-weight: 600;
            cursor: pointer;
            transition: background 0.2s;
            font-size: 0.95rem;
        }
        .comment-form .btn:hover,
        .rating-form .btn:hover {
            background: #1d4ed8;
        }
        .star-rating {
            display: flex;
            gap: 0.4rem;
            font-size: 1.8rem;
            cursor: pointer;
            margin: 0.5rem 0 1rem;
        }
        .star-rating i {
            color: #d1d5db;
            transition: color 0.15s;
        }
        .star-rating i.active,
        .star-rating i:hover {
            color: #f59e0b;
        }
        .styled-table {
            width: 100%;
            border-collapse: collapse;
            margin: 1.5rem 0;
            font-size: 0.95rem;
            border-radius: 12px;
            overflow: hidden;
            box-shadow: 0 1px 6px rgba(0, 0, 0, 0.04);
        }
        .styled-table thead {
            background: #0b0e14;
            color: #fff;
        }
        .styled-table th,
        .styled-table td {
            padding: 0.75rem 1rem;
            text-align: left;
            border-bottom: 1px solid #eef2f6;
        }
        .styled-table tbody tr:hover {
            background: #f8fafc;
        }
        .site-footer {
            background: #0b0e14;
            color: #cbd5e1;
            padding: 2.5rem 1.25rem 1.5rem;
            margin-top: 3rem;
        }
        .footer-inner {
            max-width: 1120px;
            margin: 0 auto;
            display: grid;
            grid-template-columns: 2fr 1fr 1fr;
            gap: 2rem;
        }
        .footer-inner h4 {
            color: #fff;
            margin-top: 0;
            font-size: 1.05rem;
        }
        .footer-inner a {
            color: #94a3b8;
        }
        .footer-inner a:hover {
            color: #60a5fa;
        }
        .footer-bottom {
            max-width: 1120px;
            margin: 1.5rem auto 0;
            padding-top: 1.25rem;
            border-top: 1px solid #1e293b;
            text-align: center;
            font-size: 0.85rem;
        }
        friend-link {
            display: block;
            margin-top: 0.75rem;
            font-size: 0.9rem;
        }
        friend-link a {
            display: inline-block;
            margin: 0.2rem 0.6rem 0.2rem 0;
        }
        @media (max-width: 899px) {
            .main-grid {
                grid-template-columns: 1fr;
            }
            .sidebar {
                position: static;
                order: 2;
            }
            .footer-inner {
                grid-template-columns: 1fr;
                gap: 1.5rem;
            }
            .nav-menu {
                display: none;
            }
            .hamburger {
                display: block;
            }
            .mobile-nav.open {
                display: block;
            }
            h1 {
                font-size: 1.75rem;
            }
            h2 {
                font-size: 1.4rem;
            }
            .search-form {
                flex-direction: column;
            }
            .search-form button {
                width: 100%;
            }
        }
        @media (min-width: 900px) {
            .mobile-nav {
                display: none !important;
            }
        }
        .last-updated {
            font-size: 0.85rem;
            color: #64748b;
            margin-bottom: 1rem;
            display: flex;
            align-items: center;
            gap: 0.5rem;
        }
        .tag {
            display: inline-block;
            background: #eef2f6;
            padding: 0.2rem 0.8rem;
            border-radius: 40px;
            font-size: 0.75rem;
            color: #475569;
            margin-right: 0.35rem;
        }
        .highlight {
            background: #fef9c3;
            padding: 0.1rem 0.3rem;
            border-radius: 4px;
        }
        .btn-outline {
            background: transparent;
            border: 2px solid #2563eb;
            color: #2563eb;
            padding: 0.5rem 1.2rem;
            border-radius: 40px;
            font-weight: 600;
            cursor: pointer;
            transition: all 0.2s;
        }
        .btn-outline:hover {
            background: #2563eb;
            color: #fff;
        }
        .flex-between {
            display: flex;
            justify-content: space-between;
            align-items: center;
            flex-wrap: wrap;
            gap: 0.75rem;
        }
        .mt-2 {
            margin-top: 1.5rem;
        }
        .mb-1 {
            margin-bottom: 0.75rem;
        }
        .text-sm {
            font-size: 0.9rem;
        }
        .text-muted {
            color: #64748b;
        }
        .gallery-grid {
            display: grid;
            grid-template-columns: repeat(auto-fit, minmax(160px, 1fr));
            gap: 1rem;
            margin: 1.5rem 0;
        }
        .gallery-grid img {
            border-radius: 10px;
            aspect-ratio: 4/3;
            object-fit: cover;
            width: 100%;
        }