:root {
            --primary-color: #1a237e;
            --secondary-color: #ff4081;
            --accent-color: #4caf50;
            --light-bg: #f5f5f7;
            --dark-text: #212121;
            --light-text: #757575;
        }
        body {
            font-family: "Microsoft YaHei", "Segoe UI", Arial, sans-serif;
            color: var(--dark-text);
            line-height: 1.8;
            overflow-x: hidden;
        }
        .navbar-brand {
            font-weight: 700;
            font-size: 1.8rem;
            color: var(--primary-color) !important;
        }
        .navbar-nav .nav-link {
            font-weight: 500;
            transition: color 0.3s;
            padding: 0.5rem 1.2rem !important;
        }
        .navbar-nav .nav-link:hover, .navbar-nav .nav-link.active {
            color: var(--secondary-color) !important;
        }
        .hero-section {
            background: linear-gradient(135deg, var(--primary-color) 0%, #283593 100%);
            color: white;
            padding: 8rem 0 6rem;
            position: relative;
            overflow: hidden;
        }
        .hero-section h1 {
            font-size: 3.5rem;
            font-weight: 800;
            margin-bottom: 1.5rem;
            text-shadow: 2px 2px 4px rgba(0,0,0,0.2);
        }
        .section-title {
            position: relative;
            padding-bottom: 1rem;
            margin-bottom: 3rem;
            font-weight: 700;
            color: var(--primary-color);
        }
        .section-title::after {
            content: '';
            position: absolute;
            left: 0;
            bottom: 0;
            width: 60px;
            height: 4px;
            background: var(--secondary-color);
        }
        .section-title.text-center::after {
            left: 50%;
            transform: translateX(-50%);
        }
        .card-hover {
            transition: transform 0.4s ease, box-shadow 0.4s ease;
            border: none;
            border-radius: 12px;
            overflow: hidden;
            box-shadow: 0 5px 15px rgba(0,0,0,0.08);
            height: 100%;
        }
        .card-hover:hover {
            transform: translateY(-10px);
            box-shadow: 0 15px 30px rgba(0,0,0,0.15);
        }
        .icon-box {
            width: 70px;
            height: 70px;
            background: linear-gradient(45deg, var(--primary-color), var(--secondary-color));
            border-radius: 50%;
            display: flex;
            align-items: center;
            justify-content: center;
            margin-bottom: 1.5rem;
            color: white;
            font-size: 1.8rem;
        }
        .stats-box {
            text-align: center;
            padding: 2rem;
            background: white;
            border-radius: 12px;
            box-shadow: 0 5px 15px rgba(0,0,0,0.05);
            transition: all 0.3s;
        }
        .stats-box:hover {
            background: var(--primary-color);
            color: white;
            transform: scale(1.05);
        }
        .stats-box h3 {
            font-size: 2.5rem;
            font-weight: 700;
            margin-bottom: 0.5rem;
        }
        .game-card {
            border-radius: 16px;
            overflow: hidden;
            position: relative;
            height: 300px;
            margin-bottom: 1.5rem;
        }
        .game-card img {
            width: 100%;
            height: 100%;
            object-fit: cover;
            transition: transform 0.5s;
        }
        .game-card:hover img {
            transform: scale(1.1);
        }
        .game-card-overlay {
            position: absolute;
            bottom: 0;
            left: 0;
            right: 0;
            background: linear-gradient(to top, rgba(0,0,0,0.9), transparent);
            color: white;
            padding: 2rem;
            transform: translateY(20px);
            opacity: 0;
            transition: all 0.4s;
        }
        .game-card:hover .game-card-overlay {
            transform: translateY(0);
            opacity: 1;
        }
        .news-card {
            border-left: 4px solid var(--primary-color);
            padding-left: 1.5rem;
            margin-bottom: 2rem;
        }
        .news-date {
            color: var(--secondary-color);
            font-weight: 600;
            font-size: 0.9rem;
        }
        .contact-info-box {
            background: white;
            padding: 2rem;
            border-radius: 12px;
            box-shadow: 0 5px 15px rgba(0,0,0,0.05);
            margin-bottom: 1.5rem;
            text-align: center;
            transition: all 0.3s;
        }
        .contact-info-box:hover {
            transform: translateY(-5px);
            box-shadow: 0 10px 25px rgba(0,0,0,0.1);
        }
        .contact-info-box i {
            font-size: 2.5rem;
            color: var(--primary-color);
            margin-bottom: 1rem;
        }
        footer {
            background: #1a1a2e;
            color: #b0b0b0;
            padding: 4rem 0 2rem;
        }
        .footer-links h5 {
            color: white;
            margin-bottom: 1.5rem;
            font-weight: 600;
        }
        .footer-links a {
            color: #b0b0b0;
            text-decoration: none;
            display: block;
            margin-bottom: 0.8rem;
            transition: color 0.3s;
        }
        .footer-links a:hover {
            color: white;
            padding-left: 5px;
        }
        .friendlink {
            display: inline-block;
            background: rgba(255,255,255,0.1);
            padding: 0.5rem 1.2rem;
            border-radius: 30px;
            margin: 0.3rem;
            color: #b0b0b0;
            text-decoration: none;
            transition: all 0.3s;
            font-size: 0.9rem;
        }
        .friendlink:hover {
            background: var(--secondary-color);
            color: white;
            transform: scale(1.05);
        }
        .copyright {
            border-top: 1px solid rgba(255,255,255,0.1);
            padding-top: 2rem;
            margin-top: 3rem;
            text-align: center;
            font-size: 0.9rem;
        }
        .btn-primary-custom {
            background: linear-gradient(45deg, var(--primary-color), var(--secondary-color));
            border: none;
            color: white;
            padding: 0.8rem 2rem;
            border-radius: 30px;
            font-weight: 600;
            transition: all 0.3s;
            box-shadow: 0 4px 15px rgba(26, 35, 126, 0.3);
        }
        .btn-primary-custom:hover {
            transform: translateY(-3px);
            box-shadow: 0 8px 20px rgba(26, 35, 126, 0.4);
            color: white;
        }
        .flink {
            color: #4dabf7;
            font-weight: 500;
            text-decoration: none;
            border-bottom: 1px dashed #4dabf7;
            transition: all 0.3s;
        }
        .flink:hover {
            color: var(--secondary-color);
            border-bottom: 1px solid var(--secondary-color);
        }
        @media (max-width: 768px) {
            .hero-section h1 {
                font-size: 2.5rem;
            }
            .hero-section {
                padding: 6rem 0 4rem;
            }
            .section-title {
                font-size: 1.8rem;
            }
        }
        .timeline {
            position: relative;
            padding-left: 30px;
            margin-top: 3rem;
        }
        .timeline::before {
            content: '';
            position: absolute;
            left: 0;
            top: 0;
            bottom: 0;
            width: 3px;
            background: linear-gradient(to bottom, var(--primary-color), var(--secondary-color));
        }
        .timeline-item {
            position: relative;
            margin-bottom: 2.5rem;
            padding-left: 2rem;
        }
        .timeline-item::before {
            content: '';
            position: absolute;
            left: -36px;
            top: 5px;
            width: 15px;
            height: 15px;
            border-radius: 50%;
            background: var(--secondary-color);
            border: 3px solid white;
            box-shadow: 0 0 0 3px var(--secondary-color);
        }
        .accordion-button:not(.collapsed) {
            background-color: rgba(26, 35, 126, 0.05);
            color: var(--primary-color);
            font-weight: 600;
        }
        .accordion-button:focus {
            box-shadow: none;
            border-color: rgba(26, 35, 126, 0.2);
        }
        .partner-logo {
            filter: grayscale(100%);
            opacity: 0.7;
            transition: all 0.4s;
            padding: 1.5rem;
            background: white;
            border-radius: 10px;
            box-shadow: 0 3px 10px rgba(0,0,0,0.05);
        }
        .partner-logo:hover {
            filter: grayscale(0);
            opacity: 1;
            transform: translateY(-5px);
        }
        .back-to-top {
            position: fixed;
            bottom: 30px;
            right: 30px;
            width: 50px;
            height: 50px;
            background: var(--primary-color);
            color: white;
            border-radius: 50%;
            display: flex;
            align-items: center;
            justify-content: center;
            text-decoration: none;
            opacity: 0;
            visibility: hidden;
            transition: all 0.3s;
            z-index: 1000;
            box-shadow: 0 3px 10px rgba(0,0,0,0.2);
        }
        .back-to-top.active {
            opacity: 1;
            visibility: visible;
        }
        .back-to-top:hover {
            background: var(--secondary-color);
            transform: translateY(-5px);
        }