:root {
            --primary-color: #4a6fa5;
            --secondary-color: #6b8cbc;
            --accent-color: #ff6b6b;
            --text-color: #333;
            --light-color: #f8f9fa;
            --dark-color: #343a40;
            --shadow: 0 4px 6px rgba(0, 0, 0, 0.1);
            --transition: all 0.3s ease;
        }

        * {
            margin: 0;
            padding: 0;
            box-sizing: border-box;
        }

        body {
            font-family: 'Segoe UI', Tahoma, Geneva, Verdana, sans-serif;
            line-height: 1.6;
            color: var(--text-color);
            background-color: #f5f7fa;
        }

        a {
            text-decoration: none;
            color: inherit;
        }

        .container {
            width: 100%;
            max-width: 1200px;
            margin: 0 auto;
            padding: 0 20px;
        }

        /* 头部 */
        header {
            background-color: var(--primary-color);
            color: white;
            box-shadow: var(--shadow);
            position: sticky;
            top: 0;
            z-index: 100;
        }

        .header-container {
            display: flex;
            justify-content: space-between;
            align-items: center;
            padding: 15px 0;
            position: relative;
        }

        .logo {
            font-size: 1.5rem;
            font-weight: bold;
        }

        .logo span {
            color: var(--accent-color);
        }

        /* 导航菜单PC */
        .desktop-menu {
            display: flex;
            list-style: none;
        }

        .desktop-menu li {
            margin-left: 30px;
        }

        .desktop-menu li a {
            padding: 8px 12px;
            border-radius: 4px;
            transition: var(--transition);
        }

        .desktop-menu li a:hover {
            background-color: rgba(255, 255, 255, 0.2);
        }

        .desktop-menu li a.active {
            background-color: var(--accent-color);
        }

        /* 汉堡菜单MB */
        .hamburger {
            display: none;
            cursor: pointer;
            flex-direction: column;
            justify-content: space-between;
            width: 24px;
            height: 18px;
            position: relative;
            z-index: 101;
        }

        .hamburger span {
            display: block;
            height: 2px;
            width: 100%;
            background-color: white;
            border-radius: 2px;
            transition: var(--transition);
        }

        .hamburger.active span:nth-child(1) {
            transform: rotate(45deg) translate(6px, 6px);
        }

        .hamburger.active span:nth-child(2) {
            opacity: 0;
        }

        .hamburger.active span:nth-child(3) {
            transform: rotate(-45deg) translate(6px, -6px);
        }

        /* 导航菜单MB */
        .mobile-menu {
            display: none;
            position: fixed;
            top: 70px;
            left: 0;
            width: 100%;
            background-color: var(--primary-color);
            flex-direction: column;
            padding: 0px 0;
            transform: translateY(-100%);
            opacity: 0;
            transition: var(--transition);
            box-shadow: 0 5px 10px rgba(0, 0, 0, 0.1);
            z-index: 99;
            visibility: hidden;
            pointer-events: none;
        }

        .mobile-menu.show {
            transform: translateY(0);
            opacity: 1;
            visibility: visible;
            pointer-events: auto;
        }

        .mobile-menu li {
            margin: 0;
            text-align: center;
        }

        .mobile-menu a {
            display: block;
            padding: 15px 20px;
            font-size: 1.1rem;
            transition: var(--transition);
        }

        .mobile-menu a:hover,
        .mobile-menu a.active {
            background-color: rgba(255, 255, 255, 0.2);
        }

        .mobile-menu a.active {
            background-color: var(--accent-color);
        }

        /* 菜单遮罩 */
        .menu-overlay {
            display: none;
            position: fixed;
            top: 0;
            left: 0;
            width: 100%;
            height: 100%;
            background-color: rgba(0, 0, 0, 0.5);
            z-index: 98;
        }

        .menu-overlay.show {
            display: block;
        }

        /* 层级导航 */
        .breadcrumb {
            padding: 15px 0;
            /* background-color: white; */
            /* box-shadow: 0 2px 4px rgba(0, 0, 0, 0.05); */
            margin-top: 10px;
            margin-bottom: 10px;
        }

        .breadcrumb a {
            color: var(--primary-color);
            transition: var(--transition);
        }

        .breadcrumb a:hover {
            color: var(--accent-color);
        }

        .breadcrumb span {
            margin: 0 8px;
            color: #999;
        }

        /* 内容区域 */
        main {
            min-height: calc(100vh - 140px);
            padding: 0 0 40px;
        }

        .page-title {
            text-align: center;
            margin-bottom: 40px;
            color: var(--dark-color);
        }

        /* 游戏列表 */
        .games-content {
            background-color: white;
            border-radius: 8px;
            padding: 30px;
            box-shadow: var(--shadow);
            margin-bottom: 30px;
        }

        .games-list {
            display: grid;
            grid-template-columns: repeat(2, 1fr);
            gap: 0;
        }

        .game-item {
            padding: 15px 0 15px 25px;
            text-align: left;
            border-bottom: 1px solid #f0f0f0;
            position: relative;
        }

        .game-item:last-child {
            border-bottom: none;
        }

        .game-item::before {
            content: "";
            position: absolute;
            left: 0;
            top: 50%;
            transform: translateY(-50%);
            width: 8px;
            height: 8px;
            background-color: var(--accent-color);
            border-radius: 50%;
        }

        .game-title {
            font-size: 1.2rem;
            color: var(--primary-color);
            transition: var(--transition);
        }

        footer {
            background-color: var(--dark-color);
            color: white;
            text-align: center;
            padding: 20px 0;
        }

        /* 响应式设计 */
        @media (max-width: 768px) {
            .hamburger {
                display: flex;
            }

            .desktop-menu {
                display: none;
            }

            .mobile-menu {
                display: flex;
            }

            .games-list {
                grid-template-columns: 1fr;
            }
        }

        @media (max-width: 480px) {
            .page-title {
                font-size: 1.5rem;
            }
            
            .games-content {
                padding: 20px;
            }
            
            .game-item {
                padding: 12px 0 12px 20px;
            }
            
            .game-item::before {
                width: 6px;
                height: 6px;
            }
        }