*,
        *::before,
        *::after {
            box-sizing: border-box;
            margin: 0;
            padding: 0;
        }
        html {
            scroll-behavior: smooth;
        }
        body {
            font-family: 'Segoe UI', Roboto, -apple-system, BlinkMacSystemFont, 'Helvetica Neue', Arial, sans-serif;
            background: #f5f7fc;
            color: #1e2a3a;
            line-height: 1.7;
            font-size: 16px;
            padding: 0 16px;
        }
        a {
            color: #004d99;
            text-decoration: none;
            transition: color 0.2s;
        }
        a:hover,
        a:focus {
            color: #e63946;
            text-decoration: underline;
        }
        img {
            max-width: 100%;
            height: auto;
            display: block;
            border-radius: 12px;
        }
        .container {
            max-width: 1200px;
            margin: 0 auto;
            background: #ffffff;
            box-shadow: 0 8px 40px rgba(0, 0, 0, 0.05);
            border-radius: 24px;
            padding: 20px 24px 40px;
        }
        .site-header {
            display: flex;
            flex-wrap: wrap;
            align-items: center;
            justify-content: space-between;
            padding: 16px 0 12px;
            border-bottom: 2px solid #eef2f7;
        }
        .my-logo {
            font-size: 1.8rem;
            font-weight: 800;
            letter-spacing: -0.5px;
            background: linear-gradient(135deg, #0a3d62, #e63946);
            -webkit-background-clip: text;
            -webkit-text-fill-color: transparent;
            background-clip: text;
            display: inline-block;
        }
        .my-logo small {
            font-size: 0.7rem;
            font-weight: 400;
            -webkit-text-fill-color: #5a6b7c;
            color: #5a6b7c;
            display: block;
            letter-spacing: 0.3px;
        }
        .hamburger {
            display: none;
            font-size: 1.8rem;
            background: none;
            border: none;
            color: #1e2a3a;
            cursor: pointer;
            padding: 4px 8px;
            border-radius: 8px;
            transition: background 0.2s;
        }
        .hamburger:hover {
            background: #eef2f7;
        }
        .nav-menu {
            display: flex;
            flex-wrap: wrap;
            gap: 8px 20px;
            align-items: center;
            list-style: none;
        }
        .nav-menu li a {
            font-weight: 600;
            font-size: 0.95rem;
            padding: 6px 12px;
            border-radius: 30px;
            transition: background 0.2s, color 0.2s;
        }
        .nav-menu li a:hover {
            background: #eef2f7;
            color: #e63946;
            text-decoration: none;
        }
        .breadcrumb {
            display: flex;
            flex-wrap: wrap;
            gap: 6px 12px;
            padding: 16px 0 8px;
            font-size: 0.85rem;
            color: #5a6b7c;
            list-style: none;
        }
        .breadcrumb li+li::before {
            content: "›";
            margin-right: 10px;
            color: #b0c4d8;
            font-weight: 600;
        }
        .breadcrumb a {
            color: #004d99;
        }
        .breadcrumb a:hover {
            color: #e63946;
        }
        .breadcrumb .current {
            color: #1e2a3a;
            font-weight: 600;
        }
        .hero {
            background: linear-gradient(135deg, #eef4ff, #dfe8f5);
            border-radius: 20px;
            padding: 32px 28px;
            margin: 20px 0 32px;
            display: flex;
            flex-wrap: wrap;
            gap: 24px;
            align-items: center;
        }
        .hero-text {
            flex: 2 1 300px;
        }
        .hero-text h1 {
            font-size: 2.2rem;
            font-weight: 800;
            line-height: 1.2;
            color: #0a3d62;
            margin-bottom: 12px;
        }
        .hero-text p {
            font-size: 1.1rem;
            color: #2c3e50;
            max-width: 600px;
        }
        .hero-img {
            flex: 1 1 240px;
            border-radius: 16px;
            box-shadow: 0 8px 24px rgba(0, 0, 0, 0.08);
        }
        .last-updated {
            display: inline-block;
            background: #ffffffcc;
            backdrop-filter: blur(4px);
            padding: 6px 16px;
            border-radius: 30px;
            font-size: 0.85rem;
            font-weight: 500;
            color: #2c3e50;
            margin-top: 12px;
            border: 1px solid #ffffffaa;
        }
        .last-updated i {
            margin-right: 6px;
            color: #e63946;
        }
        .toc {
            background: #f8faff;
            border: 1px solid #dde6f0;
            border-radius: 16px;
            padding: 20px 24px;
            margin-bottom: 36px;
        }
        .toc h2 {
            font-size: 1.2rem;
            margin-bottom: 12px;
            color: #0a3d62;
        }
        .toc ul {
            columns: 2 220px;
            list-style: none;
            padding-left: 0;
        }
        .toc ul li {
            padding: 4px 0;
            font-size: 0.95rem;
        }
        .toc ul li a {
            display: flex;
            align-items: center;
            gap: 8px;
        }
        .toc ul li a::before {
            content: "⚽";
            font-size: 0.8rem;
        }
        .content {
            display: flex;
            flex-wrap: wrap;
            gap: 32px;
            margin-bottom: 40px;
        }
        .main-article {
            flex: 3 1 660px;
            min-width: 0;
        }
        .sidebar {
            flex: 1 1 280px;
            min-width: 0;
        }
        .main-article h2 {
            font-size: 1.8rem;
            font-weight: 700;
            color: #0a3d62;
            margin: 36px 0 14px;
            padding-bottom: 8px;
            border-bottom: 3px solid #e63946;
            display: inline-block;
        }
        .main-article h3 {
            font-size: 1.35rem;
            font-weight: 700;
            color: #1e3a5f;
            margin: 28px 0 10px;
        }
        .main-article h4 {
            font-size: 1.1rem;
            font-weight: 700;
            color: #2c3e50;
            margin: 22px 0 8px;
        }
        .main-article p {
            margin-bottom: 16px;
            color: #2c3e50;
        }
        .main-article .highlight-box {
            background: #f0f7ff;
            border-left: 4px solid #e63946;
            padding: 18px 22px;
            border-radius: 0 12px 12px 0;
            margin: 20px 0;
        }
        .main-article .highlight-box strong {
            color: #0a3d62;
        }
        .inline-img {
            margin: 24px 0;
            border-radius: 16px;
            box-shadow: 0 6px 20px rgba(0, 0, 0, 0.06);
        }
        .stat-grid {
            display: grid;
            grid-template-columns: repeat(auto-fit, minmax(150px, 1fr));
            gap: 16px;
            margin: 24px 0;
        }
        .stat-card {
            background: #f8faff;
            border-radius: 16px;
            padding: 18px 14px;
            text-align: center;
            border: 1px solid #e6edf6;
        }
        .stat-card .num {
            font-size: 2rem;
            font-weight: 800;
            color: #e63946;
        }
        .stat-card .label {
            font-size: 0.85rem;
            color: #5a6b7c;
            font-weight: 600;
            margin-top: 4px;
        }
        .blockquote-custom {
            font-style: italic;
            background: #f4f8ff;
            padding: 20px 24px;
            border-radius: 16px;
            border: 1px solid #dde6f0;
            margin: 24px 0;
            position: relative;
        }
        .blockquote-custom::before {
            content: "“";
            font-size: 3rem;
            color: #e63946;
            opacity: 0.3;
            position: absolute;
            top: 4px;
            left: 12px;
            font-family: Georgia, serif;
        }
        .blockquote-custom footer {
            margin-top: 8px;
            font-weight: 600;
            color: #0a3d62;
            font-style: normal;
        }
        .sidebar-card {
            background: #f8faff;
            border-radius: 16px;
            padding: 20px;
            margin-bottom: 24px;
            border: 1px solid #e6edf6;
        }
        .sidebar-card h3 {
            font-size: 1.1rem;
            font-weight: 700;
            color: #0a3d62;
            margin-bottom: 12px;
            display: flex;
            align-items: center;
            gap: 8px;
        }
        .sidebar-card ul {
            list-style: none;
            padding-left: 0;
        }
        .sidebar-card ul li {
            padding: 6px 0;
            border-bottom: 1px solid #e6edf6;
            font-size: 0.9rem;
        }
        .sidebar-card ul li:last-child {
            border-bottom: none;
        }
        .sidebar-card ul li a {
            display: flex;
            align-items: center;
            gap: 8px;
        }
        .sidebar-card ul li a::before {
            content: "🔗";
            font-size: 0.75rem;
        }
        .form-section {
            background: #f8faff;
            border-radius: 16px;
            padding: 24px;
            margin: 32px 0;
            border: 1px solid #e6edf6;
        }
        .form-section h3 {
            font-size: 1.3rem;
            font-weight: 700;
            color: #0a3d62;
            margin-bottom: 16px;
            display: flex;
            align-items: center;
            gap: 10px;
        }
        .form-group {
            margin-bottom: 16px;
        }
        .form-group label {
            display: block;
            font-weight: 600;
            font-size: 0.9rem;
            margin-bottom: 4px;
            color: #1e3a5f;
        }
        .form-group input,
        .form-group textarea,
        .form-group select {
            width: 100%;
            padding: 12px 16px;
            border: 1px solid #d0dcec;
            border-radius: 10px;
            font-size: 0.95rem;
            font-family: inherit;
            background: #ffffff;
            transition: border 0.2s, box-shadow 0.2s;
        }
        .form-group input:focus,
        .form-group textarea:focus,
        .form-group select:focus {
            outline: none;
            border-color: #004d99;
            box-shadow: 0 0 0 3px rgba(0, 77, 153, 0.1);
        }
        .form-group textarea {
            resize: vertical;
            min-height: 90px;
        }
        .btn {
            display: inline-flex;
            align-items: center;
            gap: 8px;
            padding: 12px 28px;
            border: none;
            border-radius: 30px;
            font-size: 1rem;
            font-weight: 600;
            cursor: pointer;
            transition: background 0.2s, transform 0.1s;
            background: #0a3d62;
            color: #fff;
        }
        .btn:hover {
            background: #e63946;
            transform: translateY(-2px);
        }
        .btn:active {
            transform: translateY(0);
        }
        .btn-secondary {
            background: #eef2f7;
            color: #1e2a3a;
        }
        .btn-secondary:hover {
            background: #dde6f0;
            color: #1e2a3a;
        }
        .star-rating {
            display: flex;
            flex-direction: row-reverse;
            gap: 4px;
            justify-content: flex-end;
        }
        .star-rating input {
            display: none;
        }
        .star-rating label {
            font-size: 1.8rem;
            color: #d0dcec;
            cursor: pointer;
            transition: color 0.15s;
        }
        .star-rating label:hover,
        .star-rating label:hover~label,
        .star-rating input:checked~label {
            color: #f4b942;
        }
        .site-footer {
            border-top: 2px solid #eef2f7;
            padding: 32px 0 16px;
            margin-top: 20px;
        }
        .footer-grid {
            display: grid;
            grid-template-columns: repeat(auto-fit, minmax(180px, 1fr));
            gap: 24px;
            margin-bottom: 24px;
        }
        .footer-grid h4 {
            font-size: 0.95rem;
            font-weight: 700;
            color: #0a3d62;
            margin-bottom: 10px;
        }
        .footer-grid ul {
            list-style: none;
            padding-left: 0;
        }
        .footer-grid ul li {
            padding: 4px 0;
            font-size: 0.85rem;
        }
        .footer-grid ul li a {
            color: #2c3e50;
        }
        .footer-grid ul li a:hover {
            color: #e63946;
        }
        friend-link {
            display: block;
            background: #f0f5fc;
            border-radius: 12px;
            padding: 16px 20px;
            margin: 12px 0 20px;
            font-size: 0.9rem;
        }
        friend-link a {
            display: inline-block;
            margin: 0 12px 6px 0;
            padding: 4px 12px;
            background: #ffffff;
            border-radius: 30px;
            border: 1px solid #dde6f0;
            font-weight: 500;
            font-size: 0.85rem;
        }
        friend-link a:hover {
            background: #e63946;
            color: #fff;
            border-color: #e63946;
            text-decoration: none;
        }
        .copyright {
            text-align: center;
            font-size: 0.85rem;
            color: #5a6b7c;
            padding-top: 16px;
            border-top: 1px solid #e6edf6;
        }
        .copyright strong {
            color: #1e2a3a;
        }
        @media (max-width: 768px) {
            body {
                padding: 0 8px;
            }
            .container {
                padding: 12px 14px;
                border-radius: 16px;
            }
            .site-header {
                padding: 10px 0;
            }
            .my-logo {
                font-size: 1.4rem;
            }
            .hamburger {
                display: block;
            }
            .nav-menu {
                display: none;
                width: 100%;
                flex-direction: column;
                gap: 4px;
                padding: 12px 0 4px;
                border-top: 1px solid #eef2f7;
                margin-top: 10px;
            }
            .nav-menu.open {
                display: flex;
            }
            .nav-menu li a {
                display: block;
                padding: 10px 16px;
                border-radius: 10px;
                font-size: 1rem;
            }
            .hero {
                flex-direction: column;
                padding: 20px 16px;
                text-align: center;
            }
            .hero-text h1 {
                font-size: 1.6rem;
            }
            .hero-text p {
                font-size: 1rem;
            }
            .hero-img {
                width: 100%;
                max-width: 360px;
                margin: 0 auto;
            }
            .toc ul {
                columns: 1;
            }
            .content {
                flex-direction: column;
            }
            .main-article h2 {
                font-size: 1.4rem;
            }
            .main-article h3 {
                font-size: 1.15rem;
            }
            .stat-grid {
                grid-template-columns: repeat(2, 1fr);
            }
            .sidebar {
                order: 2;
            }
            .form-section {
                padding: 16px;
            }
            .footer-grid {
                grid-template-columns: 1fr 1fr;
            }
        }
        @media (max-width: 480px) {
            .stat-grid {
                grid-template-columns: 1fr;
            }
            .footer-grid {
                grid-template-columns: 1fr;
            }
            .breadcrumb {
                font-size: 0.75rem;
                gap: 4px 8px;
            }
            .hero-text h1 {
                font-size: 1.3rem;
            }
            .btn {
                width: 100%;
                justify-content: center;
            }
        }
        .text-muted {
            color: #5a6b7c;
            font-size: 0.9rem;
        }
        .flex-between {
            display: flex;
            flex-wrap: wrap;
            justify-content: space-between;
            align-items: center;
            gap: 12px;
        }
        .mt-16 {
            margin-top: 16px;
        }
        .mb-16 {
            margin-bottom: 16px;
        }
        .gap-8 {
            gap: 8px;
        }
        .tag {
            display: inline-block;
            background: #eef2f7;
            padding: 2px 12px;
            border-radius: 30px;
            font-size: 0.75rem;
            font-weight: 600;
            color: #004d99;
        }