* {
            margin: 0;
            padding: 0;
            box-sizing: border-box;
        }
        :root {
            --primary-color: #1e3a8a;
            --secondary-color: #dc2626;
            --accent-color: #f59e0b;
            --light-color: #f8fafc;
            --dark-color: #0f172a;
            --gray-color: #64748b;
            --border-radius: 8px;
            --box-shadow: 0 4px 12px rgba(0, 0, 0, 0.1);
            --transition: all 0.3s ease;
        }
        html {
            scroll-behavior: smooth;
        }
        body {
            font-family: 'Segoe UI', Tahoma, Geneva, Verdana, sans-serif;
            line-height: 1.6;
            color: var(--dark-color);
            background-color: #f1f5f9;
        }
        a {
            text-decoration: none;
            color: inherit;
        }
        img {
            max-width: 100%;
            height: auto;
            display: block;
        }
        .container {
            width: 100%;
            max-width: 1200px;
            margin: 0 auto;
            padding: 0 20px;
        }
        .header {
            background-color: var(--primary-color);
            color: white;
            padding: 1rem 0;
            position: sticky;
            top: 0;
            z-index: 1000;
            box-shadow: var(--box-shadow);
        }
        .header-container {
            display: flex;
            justify-content: space-between;
            align-items: center;
        }
        .logo {
            font-size: 1.8rem;
            font-weight: 700;
            display: flex;
            align-items: center;
            gap: 10px;
        }
        .logo i {
            color: var(--accent-color);
        }
        .nav-desktop {
            display: flex;
            gap: 1.5rem;
        }
        @media (max-width: 768px) {
            .nav-desktop {
                display: none;
            }
        }
        .nav-link {
            font-weight: 600;
            padding: 0.5rem 0;
            position: relative;
            transition: var(--transition);
        }
        .nav-link::after {
            content: '';
            position: absolute;
            bottom: 0;
            left: 0;
            width: 0;
            height: 3px;
            background-color: var(--accent-color);
            transition: var(--transition);
        }
        .nav-link:hover {
            color: var(--accent-color);
        }
        .nav-link:hover::after {
            width: 100%;
        }
        .hamburger {
            display: none;
            background: none;
            border: none;
            color: white;
            font-size: 1.5rem;
            cursor: pointer;
        }
        @media (max-width: 768px) {
            .hamburger {
                display: block;
            }
        }
        .nav-mobile {
            position: fixed;
            top: 70px;
            left: 0;
            width: 100%;
            background-color: var(--primary-color);
            padding: 1rem;
            display: none;
            flex-direction: column;
            gap: 1rem;
            box-shadow: 0 5px 10px rgba(0, 0, 0, 0.2);
            z-index: 999;
        }
        .nav-mobile.active {
            display: flex;
        }
        .breadcrumb {
            background-color: #e2e8f0;
            padding: 0.8rem 0;
            font-size: 0.9rem;
        }
        .breadcrumb-container {
            display: flex;
            align-items: center;
            gap: 0.5rem;
            flex-wrap: wrap;
        }
        .breadcrumb a {
            color: var(--primary-color);
        }
        .breadcrumb a:hover {
            text-decoration: underline;
        }
        .breadcrumb-separator {
            color: var(--gray-color);
        }
        .search-section {
            background-color: white;
            padding: 2rem 0;
            margin: 1.5rem 0;
            border-radius: var(--border-radius);
            box-shadow: var(--box-shadow);
        }
        .search-container {
            max-width: 700px;
            margin: 0 auto;
            padding: 0 1rem;
        }
        .search-title {
            text-align: center;
            margin-bottom: 1.5rem;
            color: var(--primary-color);
        }
        .search-form {
            display: flex;
            gap: 10px;
        }
        .search-input {
            flex: 1;
            padding: 0.8rem 1rem;
            border: 2px solid #cbd5e1;
            border-radius: var(--border-radius);
            font-size: 1rem;
            transition: var(--transition);
        }
        .search-input:focus {
            outline: none;
            border-color: var(--primary-color);
        }
        .search-button {
            background-color: var(--primary-color);
            color: white;
            border: none;
            padding: 0.8rem 1.5rem;
            border-radius: var(--border-radius);
            cursor: pointer;
            font-weight: 600;
            transition: var(--transition);
            display: flex;
            align-items: center;
            gap: 0.5rem;
        }
        .search-button:hover {
            background-color: #1d4ed8;
            transform: translateY(-2px);
        }
        .main-content {
            background-color: white;
            padding: 2rem;
            border-radius: var(--border-radius);
            box-shadow: var(--box-shadow);
            margin-bottom: 2rem;
        }
        .article-header {
            margin-bottom: 2rem;
            border-bottom: 2px solid #e2e8f0;
            padding-bottom: 1.5rem;
        }
        .article-title {
            font-size: 2.5rem;
            color: var(--primary-color);
            margin-bottom: 1rem;
            line-height: 1.2;
        }
        @media (max-width: 768px) {
            .article-title {
                font-size: 2rem;
            }
        }
        .article-meta {
            display: flex;
            gap: 1rem;
            color: var(--gray-color);
            font-size: 0.9rem;
            flex-wrap: wrap;
        }
        .meta-item {
            display: flex;
            align-items: center;
            gap: 0.3rem;
        }
        .content-section {
            margin-bottom: 3rem;
        }
        .section-title {
            font-size: 1.8rem;
            color: var(--primary-color);
            margin-bottom: 1.5rem;
            padding-bottom: 0.5rem;
            border-bottom: 2px solid var(--accent-color);
            display: inline-block;
        }
        .section-subtitle {
            font-size: 1.4rem;
            color: var(--dark-color);
            margin: 1.5rem 0 1rem;
        }
        .content-text {
            margin-bottom: 1.2rem;
            line-height: 1.7;
        }
        .highlight {
            background-color: #fef3c7;
            padding: 0.2rem 0.5rem;
            border-radius: 4px;
            font-weight: 600;
        }
        .emphasis {
            color: var(--secondary-color);
            font-weight: 700;
        }
        .groups-container {
            display: grid;
            grid-template-columns: repeat(auto-fill, minmax(280px, 1fr));
            gap: 1.5rem;
            margin: 2rem 0;
        }
        .group-card {
            border: 1px solid #cbd5e1;
            border-radius: var(--border-radius);
            overflow: hidden;
            transition: var(--transition);
        }
        .group-card:hover {
            transform: translateY(-5px);
            box-shadow: 0 10px 20px rgba(0, 0, 0, 0.1);
        }
        .group-header {
            background-color: var(--primary-color);
            color: white;
            padding: 0.8rem;
            text-align: center;
            font-weight: 700;
            font-size: 1.2rem;
        }
        .group-teams {
            padding: 1rem;
        }
        .team-row {
            display: flex;
            justify-content: space-between;
            padding: 0.5rem 0;
            border-bottom: 1px solid #e2e8f0;
        }
        .team-row:last-child {
            border-bottom: none;
        }
        .team-name {
            font-weight: 600;
        }
        .team-points {
            color: var(--secondary-color);
            font-weight: 700;
        }
        .schedule-table {
            width: 100%;
            border-collapse: collapse;
            margin: 2rem 0;
            box-shadow: 0 0 10px rgba(0, 0, 0, 0.05);
        }
        .schedule-table th {
            background-color: var(--primary-color);
            color: white;
            padding: 1rem;
            text-align: left;
        }
        .schedule-table td {
            padding: 1rem;
            border-bottom: 1px solid #e2e8f0;
        }
        .schedule-table tr:hover {
            background-color: #f8fafc;
        }
        .match-time {
            color: var(--secondary-color);
            font-weight: 600;
        }
        .match-teams {
            font-weight: 600;
        }
        .match-result {
            color: var(--secondary-color);
            font-weight: 700;
        }
        @media (max-width: 768px) {
            .schedule-table {
                display: block;
                overflow-x: auto;
            }
        }
        .content-image {
            margin: 2rem auto;
            border-radius: var(--border-radius);
            overflow: hidden;
            box-shadow: var(--box-shadow);
            max-width: 800px;
        }
        .image-caption {
            text-align: center;
            font-style: italic;
            color: var(--gray-color);
            padding: 0.5rem;
            background-color: #f8fafc;
        }
        .interaction-section {
            background-color: #f8fafc;
            padding: 2rem;
            border-radius: var(--border-radius);
            margin: 2rem 0;
            border: 1px solid #e2e8f0;
        }
        .interaction-title {
            font-size: 1.5rem;
            color: var(--primary-color);
            margin-bottom: 1.5rem;
            text-align: center;
        }
        .rating-container {
            display: flex;
            flex-direction: column;
            align-items: center;
            gap: 1rem;
            margin-bottom: 2rem;
        }
        .stars {
            display: flex;
            gap: 0.5rem;
            font-size: 1.8rem;
        }
        .star {
            color: #cbd5e1;
            cursor: pointer;
            transition: var(--transition);
        }
        .star:hover,
        .star.active {
            color: var(--accent-color);
        }
        .comment-form {
            display: flex;
            flex-direction: column;
            gap: 1rem;
        }
        .form-group {
            display: flex;
            flex-direction: column;
            gap: 0.5rem;
        }
        .form-label {
            font-weight: 600;
        }
        .form-input,
        .form-textarea {
            padding: 0.8rem;
            border: 1px solid #cbd5e1;
            border-radius: var(--border-radius);
            font-family: inherit;
            font-size: 1rem;
            transition: var(--transition);
        }
        .form-input:focus,
        .form-textarea:focus {
            outline: none;
            border-color: var(--primary-color);
        }
        .form-textarea {
            min-height: 120px;
            resize: vertical;
        }
        .form-button {
            background-color: var(--primary-color);
            color: white;
            border: none;
            padding: 0.8rem 1.5rem;
            border-radius: var(--border-radius);
            cursor: pointer;
            font-weight: 600;
            transition: var(--transition);
            align-self: flex-start;
        }
        .form-button:hover {
            background-color: #1d4ed8;
            transform: translateY(-2px);
        }
        .footer {
            background-color: var(--dark-color);
            color: white;
            padding: 3rem 0 1.5rem;
        }
        .footer-container {
            display: grid;
            grid-template-columns: repeat(auto-fit, minmax(250px, 1fr));
            gap: 2rem;
            margin-bottom: 2rem;
        }
        .footer-section h3 {
            font-size: 1.3rem;
            margin-bottom: 1.5rem;
            color: var(--accent-color);
        }
        .footer-links {
            list-style: none;
            display: flex;
            flex-direction: column;
            gap: 0.8rem;
        }
        .footer-link {
            color: #cbd5e1;
            transition: var(--transition);
        }
        .footer-link:hover {
            color: var(--accent-color);
            padding-left: 5px;
        }
        friend-link {
            display: block;
            margin-top: 1rem;
        }
        .friend-links {
            display: flex;
            flex-wrap: wrap;
            gap: 1rem;
            margin-top: 1rem;
        }
        .friend-link-item {
            background-color: #334155;
            padding: 0.5rem 1rem;
            border-radius: 4px;
            transition: var(--transition);
        }
        .friend-link-item:hover {
            background-color: #475569;
        }
        .copyright {
            text-align: center;
            padding-top: 1.5rem;
            border-top: 1px solid #334155;
            color: #94a3b8;
            font-size: 0.9rem;
        }
        .text-center {
            text-align: center;
        }
        .mt-1 { margin-top: 1rem; }
        .mt-2 { margin-top: 2rem; }
        .mt-3 { margin-top: 3rem; }
        .mb-1 { margin-bottom: 1rem; }
        .mb-2 { margin-bottom: 2rem; }
        .mb-3 { margin-bottom: 3rem; }
        .emoji {
            font-size: 1.2em;
            margin-right: 0.3rem;
        }