*,
        *::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, BlinkMacSystemFont, sans-serif;
            background: #f6f8fc;
            color: #1e293b;
            line-height: 1.7;
            -webkit-font-smoothing: antialiased;
        }
        a {
            color: #1a56db;
            text-decoration: none;
            transition: color 0.2s ease;
        }
        a:hover {
            color: #0d2f6e;
            text-decoration: underline;
        }
        img {
            max-width: 100%;
            height: auto;
            display: block;
            border-radius: 12px;
        }
        ul,
        ol {
            padding-left: 1.2rem;
        }
        li {
            margin-bottom: 0.4rem;
        }
        .container {
            max-width: 1200px;
            margin: 0 auto;
            padding: 0 20px;
        }
        .skip-link {
            position: absolute;
            top: -100px;
            left: 12px;
            background: #1a56db;
            color: #fff;
            padding: 12px 24px;
            border-radius: 0 0 8px 8px;
            z-index: 9999;
            font-weight: 600;
        }
        .skip-link:focus {
            top: 0;
        }
        .site-header {
            background: linear-gradient(135deg, #0b1a33 0%, #162d50 100%);
            color: #fff;
            padding: 0;
            position: sticky;
            top: 0;
            z-index: 1000;
            box-shadow: 0 4px 20px rgba(0, 0, 0, 0.25);
        }
        .header-inner {
            display: flex;
            align-items: center;
            justify-content: space-between;
            padding: 14px 20px;
            max-width: 1200px;
            margin: 0 auto;
            flex-wrap: wrap;
            gap: 10px;
        }
        .my-logo {
            font-size: 1.8rem;
            font-weight: 800;
            letter-spacing: -0.5px;
            background: linear-gradient(135deg, #f5c842, #f2a900);
            -webkit-background-clip: text;
            -webkit-text-fill-color: transparent;
            background-clip: text;
            text-shadow: 0 2px 12px rgba(245, 200, 66, 0.25);
            display: flex;
            align-items: center;
            gap: 8px;
            transition: transform 0.25s ease;
        }
        .my-logo:hover {
            transform: scale(1.02);
            text-decoration: none;
        }
        .my-logo i {
            -webkit-text-fill-color: #f5c842;
            font-size: 1.6rem;
        }
        .my-logo span {
            font-size: 0.75rem;
            font-weight: 400;
            -webkit-text-fill-color: rgba(255, 255, 255, 0.6);
            letter-spacing: 0.3px;
            display: none;
        }
        @media (min-width:560px) {
            .my-logo span {
                display: inline;
            }
        }
        .nav-toggle {
            display: none;
            background: none;
            border: 2px solid rgba(255, 255, 255, 0.3);
            color: #fff;
            font-size: 1.5rem;
            padding: 8px 14px;
            border-radius: 8px;
            cursor: pointer;
            transition: background 0.2s;
        }
        .nav-toggle:hover,
        .nav-toggle:focus {
            background: rgba(255, 255, 255, 0.1);
            outline: none;
        }
        .nav-toggle .fa-times {
            display: none;
        }
        .nav-toggle.active .fa-bars {
            display: none;
        }
        .nav-toggle.active .fa-times {
            display: inline;
        }
        .main-nav {
            display: flex;
            align-items: center;
            gap: 8px;
            flex-wrap: wrap;
        }
        .main-nav a {
            color: rgba(255, 255, 255, 0.85);
            padding: 8px 16px;
            border-radius: 8px;
            font-size: 0.92rem;
            font-weight: 500;
            transition: background 0.25s, color 0.25s;
            white-space: nowrap;
        }
        .main-nav a:hover,
        .main-nav a:focus {
            background: rgba(255, 255, 255, 0.12);
            color: #f5c842;
            text-decoration: none;
        }
        .main-nav a.active {
            background: rgba(245, 200, 66, 0.18);
            color: #f5c842;
        }
        .breadcrumb-wrap {
            background: #eef2f7;
            padding: 10px 20px;
            border-bottom: 1px solid #dce2ec;
            font-size: 0.85rem;
        }
        .breadcrumb-wrap .container {
            display: flex;
            flex-wrap: wrap;
            align-items: center;
            gap: 6px;
        }
        .breadcrumb-wrap a {
            color: #1a56db;
            font-weight: 500;
        }
        .breadcrumb-wrap span {
            color: #5f6c84;
        }
        .breadcrumb-wrap .sep {
            color: #9aa6b9;
            margin: 0 2px;
        }
        .hero-section {
            background: linear-gradient(135deg, #0f2240, #1b3a6b);
            color: #fff;
            padding: 48px 20px 40px;
            text-align: center;
            position: relative;
            overflow: hidden;
        }
        .hero-section::after {
            content: '✦';
            position: absolute;
            right: -20px;
            bottom: -30px;
            font-size: 16rem;
            opacity: 0.04;
            transform: rotate(15deg);
            pointer-events: none;
        }
        .hero-section h1 {
            font-size: 2.6rem;
            font-weight: 800;
            letter-spacing: -0.5px;
            line-height: 1.2;
            margin-bottom: 12px;
            background: linear-gradient(to right, #f5c842, #fae69a);
            -webkit-background-clip: text;
            -webkit-text-fill-color: transparent;
            background-clip: text;
        }
        .hero-section p {
            font-size: 1.15rem;
            opacity: 0.85;
            max-width: 720px;
            margin: 0 auto 18px;
        }
        .hero-section .meta-info {
            display: flex;
            flex-wrap: wrap;
            justify-content: center;
            gap: 20px;
            font-size: 0.9rem;
            opacity: 0.7;
        }
        .hero-section .meta-info i {
            margin-right: 6px;
        }
        .content-wrapper {
            display: grid;
            grid-template-columns: 1fr;
            gap: 40px;
            padding: 40px 20px 60px;
            max-width: 1200px;
            margin: 0 auto;
        }
        @media (min-width:992px) {
            .content-wrapper {
                grid-template-columns: 2.4fr 1fr;
            }
        }
        .main-article {
            background: #fff;
            border-radius: 20px;
            padding: 32px 28px;
            box-shadow: 0 2px 16px rgba(0, 0, 0, 0.04);
        }
        .article-section {
            margin-bottom: 40px;
            padding-bottom: 32px;
            border-bottom: 1px solid #e9edf4;
        }
        .article-section:last-child {
            border-bottom: none;
            margin-bottom: 0;
            padding-bottom: 0;
        }
        h2 {
            font-size: 1.8rem;
            font-weight: 700;
            color: #0b1a33;
            margin: 28px 0 16px;
            line-height: 1.25;
        }
        h2:first-child {
            margin-top: 0;
        }
        h3 {
            font-size: 1.35rem;
            font-weight: 600;
            color: #1a2d4a;
            margin: 24px 0 12px;
            line-height: 1.3;
        }
        h4 {
            font-size: 1.1rem;
            font-weight: 600;
            color: #2a3f5e;
            margin: 20px 0 10px;
            line-height: 1.35;
        }
        p {
            margin-bottom: 16px;
            font-size: 1rem;
            color: #1e293b;
        }
        .highlight-box {
            background: #f0f5ff;
            border-left: 4px solid #1a56db;
            padding: 18px 22px;
            border-radius: 0 12px 12px 0;
            margin: 20px 0;
        }
        .highlight-box strong {
            color: #0b1a33;
        }
        .feature-img-wrap {
            margin: 24px 0;
            border-radius: 16px;
            overflow: hidden;
            background: #eef2f7;
            position: relative;
        }
        .feature-img-wrap img {
            width: 100%;
            object-fit: cover;
            min-height: 200px;
            background: #dce2ec url('data:image/svg+xml;base64,PHN2ZyB3aWR0aD0iNDAwIiBoZWlnaHQ9IjMwMCIgdmlld0JveD0iMCAwIDQwMCAzMDAiIGZpbGw9Im5vbmUiIHhtbG5zPSJodHRwOi8vd3d3LnczLm9yZy8yMDAwL3N2ZyI+PHJlY3Qgd2lkdGg9IjQwMCIgaGVpZ2h0PSIzMDAiIGZpbGw9IiMxYzNhNjAiLz48dGV4dCB4PSI1MCUiIHk9IjUwJSIgZm9udC1mYW1pbHk9InNhbnMtc2VyaWYiIGZvbnQtc2l6ZT0iMjAiIGZpbGw9IiNmZmZmZmYiIHRleHQtYW5jaG9yPSJtaWRkbGUiIGR5PSIuM2VtIj5Tb2xmb3JzIEhlcm8gV2FycyAtIE15c3RlcmlvdXMgSXNsYW5kPC90ZXh0Pjwvc3ZnPg==') no-repeat center/cover;
        }
        .feature-img-wrap figcaption {
            padding: 8px 14px;
            font-size: 0.82rem;
            color: #5f6c84;
            background: #f6f8fc;
            border-top: 1px solid #e9edf4;
        }
        .styled-table {
            width: 100%;
            border-collapse: collapse;
            margin: 20px 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: #0b1a33;
            color: #fff;
        }
        .styled-table th,
        .styled-table td {
            padding: 12px 16px;
            text-align: left;
            border-bottom: 1px solid #e9edf4;
        }
        .styled-table tbody tr:hover {
            background: #f0f5ff;
        }
        .styled-table tbody tr:last-child td {
            border-bottom: none;
        }
        .sidebar {
            display: flex;
            flex-direction: column;
            gap: 28px;
        }
        .sidebar-card {
            background: #fff;
            border-radius: 16px;
            padding: 24px 20px;
            box-shadow: 0 2px 12px rgba(0, 0, 0, 0.05);
        }
        .sidebar-card h3 {
            font-size: 1.15rem;
            margin-top: 0;
            margin-bottom: 14px;
            padding-bottom: 10px;
            border-bottom: 2px solid #eef2f7;
        }
        .sidebar-link-list {
            list-style: none;
            padding: 0;
        }
        .sidebar-link-list li {
            padding: 6px 0;
            border-bottom: 1px solid #f0f3f8;
        }
        .sidebar-link-list li:last-child {
            border-bottom: none;
        }
        .sidebar-link-list a {
            display: flex;
            align-items: center;
            gap: 10px;
            font-weight: 500;
            color: #1a56db;
            padding: 4px 0;
        }
        .sidebar-link-list a:hover {
            color: #0d2f6e;
        }
        .sidebar-link-list a i {
            width: 20px;
            color: #f2a900;
            font-size: 0.85rem;
        }
        .search-form {
            display: flex;
            gap: 8px;
            flex-wrap: wrap;
        }
        .search-form input {
            flex: 1;
            min-width: 140px;
            padding: 10px 16px;
            border: 2px solid #dce2ec;
            border-radius: 10px;
            font-size: 0.95rem;
            background: #fafcff;
            transition: border 0.25s;
        }
        .search-form input:focus {
            outline: none;
            border-color: #1a56db;
            box-shadow: 0 0 0 3px rgba(26, 86, 219, 0.1);
        }
        .search-form button {
            padding: 10px 22px;
            background: #1a56db;
            color: #fff;
            border: none;
            border-radius: 10px;
            font-weight: 600;
            cursor: pointer;
            transition: background 0.25s, transform 0.15s;
        }
        .search-form button:hover {
            background: #0d3f9e;
            transform: translateY(-1px);
        }
        .comment-box,
        .score-box {
            margin-top: 8px;
        }
        .comment-box textarea {
            width: 100%;
            min-height: 100px;
            padding: 12px 16px;
            border: 2px solid #dce2ec;
            border-radius: 12px;
            font-family: inherit;
            font-size: 0.95rem;
            resize: vertical;
            background: #fafcff;
            transition: border 0.25s;
        }
        .comment-box textarea:focus {
            outline: none;
            border-color: #1a56db;
            box-shadow: 0 0 0 3px rgba(26, 86, 219, 0.08);
        }
        .comment-box .btn-submit,
        .score-box .btn-submit {
            margin-top: 10px;
            padding: 10px 28px;
            background: #0b1a33;
            color: #fff;
            border: none;
            border-radius: 10px;
            font-weight: 600;
            cursor: pointer;
            transition: background 0.25s, transform 0.15s;
            display: inline-flex;
            align-items: center;
            gap: 8px;
        }
        .comment-box .btn-submit:hover,
        .score-box .btn-submit:hover {
            background: #1a3a6b;
            transform: translateY(-1px);
        }
        .star-rating {
            display: flex;
            flex-direction: row-reverse;
            gap: 4px;
            justify-content: flex-end;
            margin: 8px 0 4px;
        }
        .star-rating input {
            display: none;
        }
        .star-rating label {
            font-size: 1.8rem;
            color: #d0d7e2;
            cursor: pointer;
            transition: color 0.2s, transform 0.15s;
        }
        .star-rating label:hover,
        .star-rating label:hover~label,
        .star-rating input:checked~label {
            color: #f2a900;
            transform: scale(1.05);
        }
        .score-display {
            font-size: 0.9rem;
            color: #5f6c84;
            margin-top: 4px;
        }
        .site-footer {
            background: #0b1a33;
            color: rgba(255, 255, 255, 0.8);
            padding: 40px 20px 28px;
        }
        .footer-inner {
            max-width: 1200px;
            margin: 0 auto;
            display: grid;
            grid-template-columns: 1fr;
            gap: 32px;
        }
        @media (min-width:768px) {
            .footer-inner {
                grid-template-columns: 2fr 1fr 1fr;
            }
        }
        .footer-inner h4 {
            color: #f5c842;
            margin-top: 0;
            margin-bottom: 14px;
            font-size: 1.1rem;
        }
        .footer-inner a {
            color: rgba(255, 255, 255, 0.75);
        }
        .footer-inner a:hover {
            color: #f5c842;
        }
        .footer-links {
            list-style: none;
            padding: 0;
        }
        .footer-links li {
            padding: 4px 0;
        }
        .footer-links a {
            display: flex;
            align-items: center;
            gap: 8px;
        }
        friend-link {
            display: block;
            margin-top: 8px;
            font-style: normal;
        }
        friend-link a {
            display: inline-block;
            margin-right: 16px;
            margin-bottom: 6px;
            padding: 4px 12px;
            background: rgba(255, 255, 255, 0.06);
            border-radius: 20px;
            font-size: 0.85rem;
        }
        friend-link a:hover {
            background: rgba(255, 255, 255, 0.12);
            text-decoration: none;
        }
        .copyright {
            border-top: 1px solid rgba(255, 255, 255, 0.1);
            padding-top: 20px;
            margin-top: 28px;
            font-size: 0.85rem;
            text-align: center;
            color: rgba(255, 255, 255, 0.5);
        }
        @media (max-width:768px) {
            .nav-toggle {
                display: block;
            }
            .main-nav {
                display: none;
                width: 100%;
                flex-direction: column;
                align-items: stretch;
                background: rgba(11, 26, 51, 0.98);
                padding: 12px 0 18px;
                border-radius: 0 0 16px 16px;
                gap: 4px;
            }
            .main-nav.open {
                display: flex;
            }
            .main-nav a {
                padding: 12px 20px;
                border-radius: 0;
                border-bottom: 1px solid rgba(255, 255, 255, 0.05);
            }
            .hero-section h1 {
                font-size: 1.8rem;
            }
            .main-article {
                padding: 20px 16px;
            }
            h2 {
                font-size: 1.4rem;
            }
            h3 {
                font-size: 1.15rem;
            }
            .styled-table {
                font-size: 0.82rem;
            }
            .styled-table th,
            .styled-table td {
                padding: 8px 10px;
            }
        }
        @media (max-width:480px) {
            .hero-section h1 {
                font-size: 1.5rem;
            }
            .hero-section p {
                font-size: 0.95rem;
            }
            .header-inner {
                padding: 10px 14px;
            }
            .my-logo {
                font-size: 1.4rem;
            }
        }
        .emoji-lg {
            font-size: 1.3em;
            line-height: 1;
        }
        .tag {
            display: inline-block;
            background: #eef2f7;
            padding: 2px 12px;
            border-radius: 20px;
            font-size: 0.75rem;
            font-weight: 600;
            color: #1a2d4a;
        }
        .last-updated {
            display: flex;
            align-items: center;
            gap: 8px;
            font-size: 0.85rem;
            color: #5f6c84;
            padding: 8px 0 4px;
        }
        .last-updated i {
            color: #f2a900;
        }
        .btn-top {
            position: fixed;
            bottom: 24px;
            right: 24px;
            background: #0b1a33;
            color: #fff;
            width: 48px;
            height: 48px;
            border-radius: 50%;
            display: flex;
            align-items: center;
            justify-content: center;
            font-size: 1.2rem;
            box-shadow: 0 4px 16px rgba(0, 0, 0, 0.2);
            z-index: 900;
            transition: transform 0.25s, background 0.25s;
            border: none;
            cursor: pointer;
        }
        .btn-top:hover {
            transform: translateY(-4px);
            background: #1a3a6b;
        }
        @media (max-width:480px) {
            .btn-top {
                width: 40px;
                height: 40px;
                font-size: 1rem;
                right: 16px;
                bottom: 16px;
            }
        }
        @media print {
            .site-header,
            .nav-toggle,
            .btn-top,
            .search-form,
            .comment-box,
            .score-box,
            .sidebar-card:not(.sidebar-links) {
                display: none !important;
            }
            .content-wrapper {
                display: block;
            }
            .main-article {
                box-shadow: none;
                padding: 0;
            }
            .site-footer {
                background: #fff;
                color: #1e293b;
            }
            .site-footer a {
                color: #1a56db;
            }
        }