*,
        *::before,
        *::after {
            box-sizing: border-box;
            margin: 0;
            padding: 0;
        }
        html {
            scroll-behavior: smooth;
            font-size: 16px;
        }
        body {
            font-family: 'Segoe UI', Roboto, system-ui, -apple-system, 'Helvetica Neue', sans-serif;
            background: #f8fafc;
            color: #1e293b;
            line-height: 1.75;
            padding: 0;
            margin: 0;
        }
        a {
            color: #1d4ed8;
            text-decoration: none;
            transition: color 0.2s ease;
        }
        a:hover,
        a:focus {
            color: #0f3b8e;
            text-decoration: underline;
        }
        img {
            max-width: 100%;
            height: auto;
            display: block;
            border-radius: 12px;
        }
        ul,
        ol {
            padding-left: 1.5rem;
            margin: 1rem 0;
        }
        li {
            margin-bottom: 0.5rem;
        }
        .container {
            max-width: 1200px;
            margin: 0 auto;
            padding: 0 1.25rem;
        }
        .site-header {
            background: linear-gradient(135deg, #0b1e33 0%, #1a3a5c 100%);
            color: #fff;
            padding: 0.75rem 0;
            box-shadow: 0 4px 20px rgba(0, 0, 0, 0.15);
            position: sticky;
            top: 0;
            z-index: 100;
        }
        .header-inner {
            display: flex;
            align-items: center;
            justify-content: space-between;
            flex-wrap: wrap;
            gap: 0.75rem;
        }
        .my-logo {
            font-size: 1.8rem;
            font-weight: 800;
            letter-spacing: -0.5px;
            color: #fff;
            background: linear-gradient(135deg, #f59e0b, #f97316);
            -webkit-background-clip: text;
            -webkit-text-fill-color: transparent;
            background-clip: text;
            text-decoration: none !important;
            transition: opacity 0.2s;
        }
        .my-logo:hover {
            opacity: 0.85;
            text-decoration: none !important;
        }
        .my-logo small {
            font-size: 0.7rem;
            display: block;
            -webkit-text-fill-color: #94a3b8;
            color: #94a3b8;
            letter-spacing: 0.5px;
        }
        .nav-toggle {
            display: none;
            background: none;
            border: 2px solid rgba(255, 255, 255, 0.3);
            color: #fff;
            font-size: 1.6rem;
            padding: 0.3rem 0.8rem;
            border-radius: 8px;
            cursor: pointer;
            transition: all 0.2s;
        }
        .nav-toggle:hover {
            border-color: #f59e0b;
        }
        .nav-toggle .fa-times {
            display: none;
        }
        .nav-toggle.active .fa-bars {
            display: none;
        }
        .nav-toggle.active .fa-times {
            display: inline;
        }
        .main-nav {
            display: flex;
            flex-wrap: wrap;
            align-items: center;
            gap: 0.25rem 1.2rem;
            transition: all 0.3s ease;
        }
        .main-nav a {
            color: #e2e8f0;
            font-size: 0.92rem;
            font-weight: 500;
            padding: 0.4rem 0;
            border-bottom: 2px solid transparent;
            transition: all 0.2s;
            text-decoration: none;
        }
        .main-nav a:hover,
        .main-nav a.active {
            color: #fbbf24;
            border-bottom-color: #fbbf24;
            text-decoration: none;
        }
        .main-nav .search-box {
            display: flex;
            align-items: center;
            background: rgba(255, 255, 255, 0.1);
            border-radius: 40px;
            padding: 0.1rem 0.1rem 0.1rem 1rem;
            border: 1px solid rgba(255, 255, 255, 0.1);
            transition: all 0.2s;
        }
        .main-nav .search-box:focus-within {
            background: rgba(255, 255, 255, 0.18);
            border-color: #f59e0b;
        }
        .main-nav .search-box input {
            background: transparent;
            border: none;
            color: #fff;
            padding: 0.5rem 0;
            font-size: 0.9rem;
            outline: none;
            min-width: 140px;
        }
        .main-nav .search-box input::placeholder {
            color: #94a3b8;
        }
        .main-nav .search-box button {
            background: #f59e0b;
            border: none;
            color: #0b1e33;
            padding: 0.5rem 1.1rem;
            border-radius: 40px;
            font-weight: 600;
            cursor: pointer;
            font-size: 0.85rem;
            transition: background 0.2s;
        }
        .main-nav .search-box button:hover {
            background: #fbbf24;
        }
        .breadcrumb {
            background: #f1f5f9;
            padding: 0.6rem 0;
            font-size: 0.85rem;
            border-bottom: 1px solid #e2e8f0;
        }
        .breadcrumb ol {
            display: flex;
            flex-wrap: wrap;
            list-style: none;
            padding: 0;
            margin: 0;
            gap: 0.4rem 0.8rem;
        }
        .breadcrumb li+li::before {
            content: "›";
            margin-right: 0.8rem;
            color: #94a3b8;
            font-weight: 600;
        }
        .breadcrumb a {
            color: #1d4ed8;
        }
        .breadcrumb .current {
            color: #64748b;
            font-weight: 500;
        }
        .page-wrap {
            display: grid;
            grid-template-columns: 1fr 320px;
            gap: 2.5rem;
            padding: 2.5rem 0;
        }
        @media(max-width:992px) {
            .page-wrap {
                grid-template-columns: 1fr;
                gap: 2rem;
            }
        }
        .article-body h1 {
            font-size: 2.6rem;
            line-height: 1.2;
            margin-bottom: 0.75rem;
            color: #0b1e33;
            font-weight: 800;
            letter-spacing: -0.5px;
        }
        .article-body h1 .highlight {
            background: linear-gradient(135deg, #f59e0b, #f97316);
            -webkit-background-clip: text;
            -webkit-text-fill-color: transparent;
            background-clip: text;
        }
        .article-meta {
            display: flex;
            flex-wrap: wrap;
            gap: 0.8rem 2rem;
            color: #64748b;
            font-size: 0.92rem;
            margin-bottom: 1.8rem;
            padding-bottom: 1.2rem;
            border-bottom: 1px solid #e2e8f0;
        }
        .article-meta i {
            margin-right: 0.4rem;
            color: #f59e0b;
        }
        .article-body h2 {
            font-size: 1.9rem;
            margin: 2.8rem 0 1rem 0;
            color: #0b1e33;
            font-weight: 700;
            border-left: 5px solid #f59e0b;
            padding-left: 1rem;
        }
        .article-body h3 {
            font-size: 1.45rem;
            margin: 2rem 0 0.75rem 0;
            color: #1e293b;
            font-weight: 600;
        }
        .article-body h4 {
            font-size: 1.15rem;
            margin: 1.5rem 0 0.5rem 0;
            color: #334155;
            font-weight: 600;
        }
        .article-body p {
            margin-bottom: 1.2rem;
            font-size: 1.05rem;
            color: #1e293b;
        }
        .article-body p.lead {
            font-size: 1.2rem;
            font-weight: 400;
            color: #334155;
            background: #f1f5f9;
            padding: 1.2rem 1.8rem;
            border-radius: 12px;
            border-left: 4px solid #f59e0b;
        }
        .article-body strong {
            color: #0b1e33;
        }
        .article-body .emoji-big {
            font-size: 1.8rem;
            display: inline-block;
            margin-right: 0.3rem;
        }
        .featured-image {
            margin: 1.8rem 0 2.2rem 0;
            border-radius: 16px;
            overflow: hidden;
            box-shadow: 0 8px 30px rgba(0, 0, 0, 0.08);
            background: #e2e8f0;
        }
        .featured-image figcaption {
            padding: 0.8rem 1.2rem;
            font-size: 0.88rem;
            color: #64748b;
            background: #f8fafc;
            font-style: italic;
        }
        .featured-image img {
            width: 100%;
            max-height: 480px;
            object-fit: cover;
        }
        .related-links-inline {
            background: #f1f5f9;
            border-radius: 12px;
            padding: 1.2rem 1.8rem;
            margin: 1.8rem 0;
            border-left: 4px solid #1d4ed8;
        }
        .related-links-inline ul {
            list-style: none;
            padding: 0;
            margin: 0.5rem 0 0 0;
            display: flex;
            flex-wrap: wrap;
            gap: 0.6rem 1.5rem;
        }
        .related-links-inline li a {
            font-weight: 500;
        }
        .related-links-inline li a::before {
            content: "🏈 ";
            font-size: 0.85rem;
        }
        .stat-box {
            display: grid;
            grid-template-columns: repeat(auto-fit, minmax(150px, 1fr));
            gap: 1rem;
            background: #0b1e33;
            color: #fff;
            padding: 1.5rem;
            border-radius: 14px;
            margin: 1.8rem 0;
        }
        .stat-box .stat-item {
            text-align: center;
        }
        .stat-box .stat-item .num {
            font-size: 2.2rem;
            font-weight: 800;
            color: #fbbf24;
            display: block;
        }
        .stat-box .stat-item .label {
            font-size: 0.85rem;
            color: #94a3b8;
            text-transform: uppercase;
            letter-spacing: 0.5px;
        }
        .article-body blockquote {
            background: #f1f5f9;
            border-left: 5px solid #f59e0b;
            padding: 1.2rem 2rem;
            margin: 1.8rem 0;
            border-radius: 0 12px 12px 0;
            font-style: italic;
            color: #1e293b;
            font-size: 1.05rem;
        }
        .article-body blockquote cite {
            display: block;
            margin-top: 0.6rem;
            font-size: 0.9rem;
            color: #64748b;
            font-style: normal;
        }
        .sidebar {
            position: sticky;
            top: 100px;
            align-self: start;
        }
        .sidebar-card {
            background: #fff;
            border-radius: 14px;
            padding: 1.5rem;
            box-shadow: 0 4px 16px rgba(0, 0, 0, 0.04);
            border: 1px solid #e2e8f0;
            margin-bottom: 1.5rem;
        }
        .sidebar-card h3 {
            font-size: 1.2rem;
            margin-bottom: 1rem;
            color: #0b1e33;
            border-bottom: 2px solid #f59e0b;
            padding-bottom: 0.5rem;
        }
        .sidebar-card ul {
            list-style: none;
            padding: 0;
            margin: 0;
        }
        .sidebar-card ul li {
            padding: 0.4rem 0;
            border-bottom: 1px solid #f1f5f9;
        }
        .sidebar-card ul li a {
            font-weight: 500;
            font-size: 0.95rem;
        }
        .sidebar-card ul li a::before {
            content: "⚡ ";
            font-size: 0.8rem;
        }
        .feedback-section {
            background: #fff;
            border-radius: 16px;
            padding: 2rem 2.2rem;
            margin: 2.5rem 0;
            box-shadow: 0 4px 20px rgba(0, 0, 0, 0.04);
            border: 1px solid #e2e8f0;
        }
        .feedback-section h2 {
            border-left: none;
            padding-left: 0;
            font-size: 1.8rem;
            margin-top: 0;
        }
        .feedback-grid {
            display: grid;
            grid-template-columns: 1fr 1fr;
            gap: 2rem;
        }
        @media(max-width:768px) {
            .feedback-grid {
                grid-template-columns: 1fr;
                gap: 1.5rem;
            }
        }
        .feedback-form label {
            display: block;
            font-weight: 600;
            font-size: 0.92rem;
            margin-bottom: 0.3rem;
            color: #1e293b;
        }
        .feedback-form input,
        .feedback-form textarea,
        .feedback-form select {
            width: 100%;
            padding: 0.7rem 1rem;
            border: 1.5px solid #e2e8f0;
            border-radius: 10px;
            font-size: 0.95rem;
            font-family: inherit;
            transition: border 0.2s;
            background: #f8fafc;
        }
        .feedback-form input:focus,
        .feedback-form textarea:focus {
            border-color: #f59e0b;
            outline: none;
            background: #fff;
        }
        .feedback-form textarea {
            min-height: 90px;
            resize: vertical;
        }
        .feedback-form .btn-submit {
            background: #f59e0b;
            color: #0b1e33;
            font-weight: 700;
            padding: 0.7rem 2rem;
            border: none;
            border-radius: 40px;
            cursor: pointer;
            font-size: 1rem;
            transition: all 0.2s;
            margin-top: 0.5rem;
        }
        .feedback-form .btn-submit:hover {
            background: #fbbf24;
            transform: translateY(-2px);
            box-shadow: 0 6px 16px rgba(245, 158, 11, 0.3);
        }
        .star-rating {
            display: flex;
            flex-direction: row-reverse;
            justify-content: flex-end;
            gap: 0.25rem;
            margin: 0.5rem 0 1rem 0;
        }
        .star-rating input {
            display: none;
        }
        .star-rating label {
            font-size: 2rem;
            color: #cbd5e1;
            cursor: pointer;
            transition: color 0.15s;
        }
        .star-rating label:hover,
        .star-rating label:hover~label,
        .star-rating input:checked~label {
            color: #f59e0b;
        }
        .site-footer {
            background: #0b1e33;
            color: #e2e8f0;
            padding: 2.5rem 0 1.5rem 0;
            margin-top: 2rem;
        }
        .footer-grid {
            display: grid;
            grid-template-columns: 2fr 1fr 1fr;
            gap: 2rem;
            margin-bottom: 2rem;
        }
        @media(max-width:768px) {
            .footer-grid {
                grid-template-columns: 1fr;
                gap: 1.5rem;
            }
        }
        .footer-grid h4 {
            color: #fbbf24;
            font-size: 1.1rem;
            margin-bottom: 0.8rem;
        }
        .footer-grid p,
        .footer-grid a {
            color: #94a3b8;
            font-size: 0.92rem;
        }
        footer friend-link {
            display: block;
            margin-top: 0.8rem;
        }
        footer friend-link a {
            display: inline-block;
            margin-right: 1.2rem;
            margin-bottom: 0.4rem;
            color: #94a3b8;
            font-size: 0.9rem;
        }
        footer friend-link a:hover {
            color: #fbbf24;
        }
        .copyright {
            border-top: 1px solid rgba(255, 255, 255, 0.08);
            padding-top: 1.2rem;
            text-align: center;
            font-size: 0.85rem;
            color: #64748b;
        }
        .copyright strong {
            color: #94a3b8;
        }
        @media(max-width:768px) {
            .nav-toggle {
                display: block;
            }
            .main-nav {
                display: none;
                width: 100%;
                flex-direction: column;
                align-items: flex-start;
                padding: 1rem 0 0.5rem 0;
                gap: 0.5rem;
            }
            .main-nav.open {
                display: flex;
            }
            .main-nav a {
                width: 100%;
                padding: 0.5rem 0;
                border-bottom: 1px solid rgba(255, 255, 255, 0.05);
            }
            .main-nav .search-box {
                width: 100%;
                margin-top: 0.5rem;
            }
            .main-nav .search-box input {
                flex: 1;
                min-width: 0;
            }
            .article-body h1 {
                font-size: 1.9rem;
            }
            .article-body h2 {
                font-size: 1.5rem;
            }
            .article-body h3 {
                font-size: 1.2rem;
            }
            .article-body p {
                font-size: 0.98rem;
            }
            .feedback-section {
                padding: 1.2rem 1.2rem;
            }
            .stat-box {
                grid-template-columns: repeat(2, 1fr);
            }
            .my-logo {
                font-size: 1.4rem;
            }
            .header-inner {
                gap: 0.5rem;
            }
        }
        @media(max-width:480px) {
            .container {
                padding: 0 0.9rem;
            }
            .article-body h1 {
                font-size: 1.6rem;
            }
            .stat-box .stat-item .num {
                font-size: 1.6rem;
            }
        }
        .sidebar-card a,
        .related-links-inline a,
        .breadcrumb a {
            transition: all 0.15s;
        }
        h2,
        h3,
        h4 {
            scroll-margin-top: 80px;
        }