*,
        *::before,
        *::after {
            margin: 0;
            padding: 0;
            box-sizing: border-box;
        }
        :root {
            --primary: #0a1628;
            --primary-light: #132244;
            --secondary: #f0c040;
            --secondary-hover: #d4a82e;
            --accent: #e94560;
            --text: #2c3e50;
            --text-light: #5a6a7a;
            --bg: #f8f9fa;
            --white: #ffffff;
            --shadow: 0 4px 20px rgba(0, 0, 0, 0.08);
            --shadow-hover: 0 8px 35px rgba(0, 0, 0, 0.15);
            --radius: 12px;
            --transition: all 0.3s ease;
            --font-main: 'Segoe UI', system-ui, -apple-system, sans-serif;
        }
        html {
            scroll-behavior: smooth;
            font-size: 16px;
        }
        body {
            font-family: var(--font-main);
            background: var(--bg);
            color: var(--text);
            line-height: 1.8;
            overflow-x: hidden;
        }
        a {
            color: var(--primary);
            text-decoration: none;
            transition: var(--transition);
        }
        a:hover {
            color: var(--secondary-hover);
        }
        img {
            max-width: 100%;
            height: auto;
            display: block;
            border-radius: var(--radius);
        }
        .container {
            max-width: 1200px;
            margin: 0 auto;
            padding: 0 20px;
        }
        .header {
            background: var(--primary);
            color: var(--white);
            position: sticky;
            top: 0;
            z-index: 1000;
            box-shadow: 0 2px 15px rgba(0, 0, 0, 0.3);
        }
        .header-inner {
            display: flex;
            align-items: center;
            justify-content: space-between;
            padding: 14px 20px;
            max-width: 1200px;
            margin: 0 auto;
            flex-wrap: wrap;
        }
        .my-logo {
            font-size: 1.6rem;
            font-weight: 800;
            color: var(--secondary);
            letter-spacing: -0.5px;
            display: flex;
            align-items: center;
            gap: 8px;
        }
        .my-logo i {
            font-size: 1.8rem;
            color: var(--white);
        }
        .my-logo a {
            color: var(--secondary);
            text-decoration: none;
        }
        .my-logo a:hover {
            color: var(--white);
        }
        .my-logo .logo-sub {
            font-size: 0.7rem;
            font-weight: 400;
            color: #aaa;
            display: block;
            letter-spacing: 1px;
        }
        .nav-toggle {
            display: none;
            background: none;
            border: none;
            color: var(--white);
            font-size: 1.6rem;
            cursor: pointer;
            padding: 4px 8px;
            border-radius: 6px;
            transition: var(--transition);
        }
        .nav-toggle:hover {
            background: rgba(255, 255, 255, 0.1);
        }
        .nav-menu {
            display: flex;
            align-items: center;
            gap: 28px;
            list-style: none;
        }
        .nav-menu li a {
            color: #ddd;
            font-size: 0.92rem;
            font-weight: 500;
            padding: 6px 0;
            border-bottom: 2px solid transparent;
            transition: var(--transition);
        }
        .nav-menu li a:hover {
            color: var(--secondary);
            border-bottom-color: var(--secondary);
        }
        .nav-menu li a.active {
            color: var(--secondary);
            border-bottom-color: var(--secondary);
        }
        .breadcrumb {
            background: var(--white);
            border-bottom: 1px solid #e8ecef;
            padding: 10px 0;
            font-size: 0.85rem;
        }
        .breadcrumb .container {
            display: flex;
            flex-wrap: wrap;
            align-items: center;
            gap: 6px;
        }
        .breadcrumb a {
            color: var(--primary);
            font-weight: 500;
        }
        .breadcrumb a:hover {
            color: var(--secondary-hover);
        }
        .breadcrumb span {
            color: var(--text-light);
        }
        .breadcrumb .separator {
            color: #bbb;
            margin: 0 4px;
        }
        .hero {
            background: linear-gradient(135deg, var(--primary) 0%, var(--primary-light) 100%);
            color: var(--white);
            padding: 60px 0 50px;
            text-align: center;
            position: relative;
            overflow: hidden;
        }
        .hero::after {
            content: "⚽";
            position: absolute;
            right: -30px;
            bottom: -30px;
            font-size: 18rem;
            opacity: 0.04;
            transform: rotate(15deg);
            pointer-events: none;
        }
        .hero h1 {
            font-size: 2.8rem;
            font-weight: 800;
            line-height: 1.2;
            margin-bottom: 16px;
            color: var(--secondary);
        }
        .hero p {
            font-size: 1.15rem;
            max-width: 750px;
            margin: 0 auto 20px;
            color: #ccc;
            line-height: 1.7;
        }
        .hero .meta-info {
            display: flex;
            justify-content: center;
            flex-wrap: wrap;
            gap: 20px;
            font-size: 0.9rem;
            color: #aaa;
        }
        .hero .meta-info i {
            margin-right: 6px;
            color: var(--secondary);
        }
        .main-content {
            padding: 50px 0 60px;
        }
        .content-grid {
            display: grid;
            grid-template-columns: 1fr 320px;
            gap: 40px;
        }
        .content-body h2 {
            font-size: 2rem;
            font-weight: 700;
            color: var(--primary);
            margin: 48px 0 16px;
            padding-bottom: 10px;
            border-bottom: 3px solid var(--secondary);
            position: relative;
        }
        .content-body h2:first-child {
            margin-top: 0;
        }
        .content-body h3 {
            font-size: 1.4rem;
            font-weight: 600;
            color: var(--primary-light);
            margin: 32px 0 12px;
        }
        .content-body h4 {
            font-size: 1.15rem;
            font-weight: 600;
            color: var(--text);
            margin: 24px 0 8px;
        }
        .content-body p {
            margin-bottom: 18px;
            font-size: 1rem;
            color: var(--text);
        }
        .content-body ul,
        .content-body ol {
            margin: 0 0 20px 24px;
        }
        .content-body li {
            margin-bottom: 8px;
            line-height: 1.7;
        }
        .content-body .highlight-box {
            background: var(--white);
            border-left: 4px solid var(--secondary);
            padding: 20px 24px;
            border-radius: 0 var(--radius) var(--radius) 0;
            margin: 24px 0;
            box-shadow: var(--shadow);
        }
        .content-body .highlight-box strong {
            color: var(--primary);
        }
        .content-body .stat-badge {
            display: inline-block;
            background: var(--secondary);
            color: var(--primary);
            font-weight: 700;
            padding: 2px 12px;
            border-radius: 20px;
            font-size: 0.85rem;
        }
        .feature-image {
            margin: 32px 0;
            border-radius: var(--radius);
            overflow: hidden;
            box-shadow: var(--shadow);
        }
        .feature-image img {
            width: 100%;
            object-fit: cover;
        }
        .feature-image figcaption {
            background: var(--white);
            padding: 10px 16px;
            font-size: 0.85rem;
            color: var(--text-light);
            text-align: center;
            border-top: 1px solid #eee;
        }
        .sidebar {
            position: sticky;
            top: 90px;
            align-self: start;
        }
        .sidebar-card {
            background: var(--white);
            border-radius: var(--radius);
            padding: 24px;
            box-shadow: var(--shadow);
            margin-bottom: 24px;
        }
        .sidebar-card h3 {
            font-size: 1.1rem;
            font-weight: 700;
            color: var(--primary);
            margin-bottom: 14px;
            display: flex;
            align-items: center;
            gap: 8px;
        }
        .sidebar-card h3 i {
            color: var(--secondary);
        }
        .sidebar-card ul {
            list-style: none;
            padding: 0;
        }
        .sidebar-card ul li {
            padding: 8px 0;
            border-bottom: 1px solid #f0f2f4;
        }
        .sidebar-card ul li:last-child {
            border-bottom: none;
        }
        .sidebar-card ul li a {
            color: var(--text);
            font-size: 0.92rem;
            display: flex;
            align-items: center;
            gap: 8px;
        }
        .sidebar-card ul li a:hover {
            color: var(--secondary-hover);
        }
        .sidebar-card ul li a i {
            color: var(--secondary);
            font-size: 0.75rem;
        }
        .search-form {
            display: flex;
            gap: 8px;
        }
        .search-form input {
            flex: 1;
            padding: 10px 14px;
            border: 1px solid #ddd;
            border-radius: 8px;
            font-size: 0.9rem;
            outline: none;
            transition: var(--transition);
        }
        .search-form input:focus {
            border-color: var(--secondary);
            box-shadow: 0 0 0 3px rgba(240, 192, 64, 0.2);
        }
        .search-form button {
            background: var(--secondary);
            color: var(--primary);
            border: none;
            padding: 10px 18px;
            border-radius: 8px;
            font-weight: 600;
            cursor: pointer;
            transition: var(--transition);
            font-size: 0.9rem;
        }
        .search-form button:hover {
            background: var(--secondary-hover);
        }
        .interaction-area {
            margin-top: 50px;
            border-top: 2px solid #e8ecef;
            padding-top: 40px;
        }
        .interaction-grid {
            display: grid;
            grid-template-columns: 1fr 1fr;
            gap: 32px;
        }
        .interaction-card {
            background: var(--white);
            border-radius: var(--radius);
            padding: 28px;
            box-shadow: var(--shadow);
        }
        .interaction-card h3 {
            font-size: 1.2rem;
            font-weight: 700;
            color: var(--primary);
            margin-bottom: 16px;
            display: flex;
            align-items: center;
            gap: 10px;
        }
        .interaction-card h3 i {
            color: var(--secondary);
        }
        .interaction-card form {
            display: flex;
            flex-direction: column;
            gap: 14px;
        }
        .interaction-card form input,
        .interaction-card form textarea,
        .interaction-card form select {
            padding: 10px 14px;
            border: 1px solid #ddd;
            border-radius: 8px;
            font-size: 0.92rem;
            font-family: inherit;
            outline: none;
            transition: var(--transition);
        }
        .interaction-card form input:focus,
        .interaction-card form textarea:focus,
        .interaction-card form select:focus {
            border-color: var(--secondary);
            box-shadow: 0 0 0 3px rgba(240, 192, 64, 0.2);
        }
        .interaction-card form textarea {
            min-height: 90px;
            resize: vertical;
        }
        .interaction-card form button {
            background: var(--primary);
            color: var(--white);
            border: none;
            padding: 12px 20px;
            border-radius: 8px;
            font-weight: 600;
            cursor: pointer;
            transition: var(--transition);
            font-size: 0.95rem;
        }
        .interaction-card form button:hover {
            background: var(--primary-light);
        }
        .rating-stars {
            display: flex;
            gap: 6px;
            font-size: 1.6rem;
            color: #ddd;
            cursor: pointer;
            direction: rtl;
        }
        .rating-stars input {
            display: none;
        }
        .rating-stars label {
            transition: var(--transition);
            color: #ddd;
        }
        .rating-stars label:hover,
        .rating-stars label:hover~label,
        .rating-stars input:checked~label {
            color: var(--secondary);
        }
        .footer {
            background: var(--primary);
            color: #ccc;
            padding: 40px 0 20px;
            margin-top: 60px;
        }
        .footer-inner {
            max-width: 1200px;
            margin: 0 auto;
            padding: 0 20px;
            display: grid;
            grid-template-columns: 1fr 1fr;
            gap: 40px;
        }
        .footer h4 {
            color: var(--secondary);
            font-size: 1.1rem;
            margin-bottom: 14px;
            font-weight: 600;
        }
        .footer a {
            color: #bbb;
        }
        .footer a:hover {
            color: var(--secondary);
        }
        .footer .friend-link {
            display: flex;
            flex-wrap: wrap;
            gap: 12px;
        }
        .footer .friend-link a {
            background: rgba(255, 255, 255, 0.06);
            padding: 6px 14px;
            border-radius: 6px;
            font-size: 0.88rem;
            border: 1px solid rgba(255, 255, 255, 0.08);
            transition: var(--transition);
        }
        .footer .friend-link a:hover {
            background: rgba(255, 255, 255, 0.12);
            border-color: var(--secondary);
        }
        .footer .copyright {
            grid-column: 1 / -1;
            text-align: center;
            padding-top: 24px;
            border-top: 1px solid rgba(255, 255, 255, 0.1);
            font-size: 0.85rem;
            color: #888;
            margin-top: 16px;
        }
        .footer .copyright strong {
            color: var(--secondary);
        }
        @media(max-width:992px) {
            .content-grid {
                grid-template-columns: 1fr;
            }
            .sidebar {
                position: static;
            }
            .interaction-grid {
                grid-template-columns: 1fr;
            }
            .hero h1 {
                font-size: 2.2rem;
            }
            .footer-inner {
                grid-template-columns: 1fr;
            }
        }
        @media(max-width:768px) {
            .nav-toggle {
                display: block;
            }
            .nav-menu {
                display: none;
                width: 100%;
                flex-direction: column;
                gap: 4px;
                padding: 16px 0 8px;
                border-top: 1px solid rgba(255, 255, 255, 0.1);
                margin-top: 12px;
            }
            .nav-menu.open {
                display: flex;
            }
            .nav-menu li a {
                padding: 10px 0;
                font-size: 1rem;
                border-bottom: none;
                display: block;
            }
            .nav-menu li a:hover {
                border-bottom: none;
            }
            .hero {
                padding: 40px 0 36px;
            }
            .hero h1 {
                font-size: 1.8rem;
            }
            .hero p {
                font-size: 1rem;
            }
            .content-body h2 {
                font-size: 1.5rem;
            }
            .content-body h3 {
                font-size: 1.2rem;
            }
            .my-logo {
                font-size: 1.3rem;
            }
            .header-inner {
                padding: 10px 16px;
            }
            .interaction-card {
                padding: 20px;
            }
            .breadcrumb {
                font-size: 0.78rem;
            }
        }
        @media(max-width:480px) {
            .hero h1 {
                font-size: 1.5rem;
            }
            .hero .meta-info {
                flex-direction: column;
                gap: 6px;
            }
            .container {
                padding: 0 14px;
            }
            .content-body h2 {
                font-size: 1.3rem;
            }
            .content-body h3 {
                font-size: 1.1rem;
            }
            .search-form {
                flex-direction: column;
            }
            .search-form button {
                width: 100%;
            }
        }
        .text-secondary {
            color: var(--secondary);
        }
        .fw-700 {
            font-weight: 700;
        }
        .mb-0 {
            margin-bottom: 0;
        }
        .mt-0 {
            margin-top: 0;
        }
        .gap-8 {
            gap: 8px;
        }
        .flex-wrap {
            display: flex;
            flex-wrap: wrap;
            align-items: center;
        }