:root {
            --fire-primary: #ff6b00;
            --fire-secondary: #ff3c00;
            --fire-dark: #0f0f0f;
            --fire-gray: #1a1a1a;
            --fire-light: #f8f8f8;
            --fire-ct: #1e6ff7;
            --fire-t: #e53935;
            --fire-zombie: #43a047;
            --fire-purple: #9c27b0;
            --fire-cyan: #00bcd4;
        }
        
        body {
            font-family: 'Segoe UI', Tahoma, Geneva, Verdana, sans-serif;
            background-color: var(--fire-dark);
            color: var(--fire-light);
            overflow-x: hidden;
        }
        
        footer .text-md-start p{
            text-align: center; 
        } 
        /* 自定义滚动条 */
        ::-webkit-scrollbar {
            width: 10px;
        }
        
        ::-webkit-scrollbar-track {
            background: var(--fire-gray);
        }
        
        ::-webkit-scrollbar-thumb {
            background: linear-gradient(to bottom, var(--fire-primary), var(--fire-secondary));
            border-radius: 5px;
        }
        
        .navbar {
            background-color: rgba(15, 15, 15, 0.98);
            backdrop-filter: blur(10px);
            border-bottom: 2px solid var(--fire-primary);
            padding: 0.8rem 0;
            transition: all 0.3s;
        }
        .text-muted {
            color: #999 !important;
        }
        .navbar-brand {
            font-weight: 800;
            font-size: 1.8rem;
            /*background: linear-gradient(90deg, var(--fire-primary), #ffcc00);*/
            /*background-image: url('../images/logo.png');
            -webkit-background-clip: text;
            background-clip: text;*/
            color: transparent;
        }
        
        .hero-section {
            background: linear-gradient(rgba(15, 15, 15, 0.9), rgba(15, 15, 15, 0.9)), 
                        url('../images/banner.avif');
            background-size: cover;
            background-position: center;
            padding: 7rem 0 5rem;
            position: relative;
            overflow: hidden;
        }
        
        .hero-section::before {
            content: '';
            position: absolute;
            top: 0;
            left: 0;
            width: 100%;
            height: 100%;
            background: radial-gradient(circle at 20% 50%, rgba(255, 107, 0, 0.3) 0%, transparent 50%),
                        radial-gradient(circle at 80% 20%, rgba(255, 60, 0, 0.2) 0%, transparent 50%);
        }
        .hero-section .download-btn,
        .hero-section .fire-btn {
            position: relative;
            z-index: 10; /* 确保按钮在最上层 */
            pointer-events: auto !important; /* 确保按钮可以点击 */
        }

        
        .hero-title {
            font-size: 3.5rem;
            font-weight: 800;
            margin-bottom: 1.5rem;
            color: white;
        }
        
        .hero-title span {
            background: linear-gradient(90deg, var(--fire-primary), #ffcc00);
            -webkit-background-clip: text;
            background-clip: text;
            color: transparent;
        }
        
        .hero-subtitle {
            font-size: 1.2rem;
            color: #ccc;
            margin-bottom: 2rem;
            max-width: 600px;
        }
        
        .download-btn {
            background: linear-gradient(90deg, var(--fire-primary), var(--fire-secondary));
            border: none;
            color: white;
            padding: 1rem 2.5rem;
            font-size: 1.2rem;
            font-weight: 600;
            border-radius: 5px;
            transition: all 0.3s;
            box-shadow: 0 5px 15px rgba(255, 107, 0, 0.4);
        }
        
        .download-btn:hover {
            transform: translateY(-3px);
            box-shadow: 0 8px 20px rgba(255, 107, 0, 0.6);
            color: white;
        }
        
        .feature-card {
            background-color: var(--fire-gray);
            border-radius: 10px;
            padding: 2rem;
            height: 100%;
            transition: transform 0.3s, box-shadow 0.3s;
            border-left: 4px solid var(--fire-primary);
        }
        
        .feature-card:hover {
            transform: translateY(-10px);
            box-shadow: 0 10px 25px rgba(255, 107, 0, 0.2);
        }
        
        .feature-icon {
            font-size: 2.5rem;
            background: linear-gradient(90deg, var(--fire-primary), #ffcc00);
            -webkit-background-clip: text;
            background-clip: text;
            color: transparent;
            margin-bottom: 1.5rem;
        }
        
        .section-title {
            font-size: 2.5rem;
            font-weight: 700;
            margin-bottom: 3rem;
            text-align: center;
            position: relative;
            color: white;
        }
        
        .section-title::after {
            content: '';
            position: absolute;
            width: 100px;
            height: 4px;
            background: linear-gradient(90deg, var(--fire-primary), var(--fire-secondary));
            bottom: -10px;
            left: 50%;
            transform: translateX(-50%);
            border-radius: 2px;
        }
        
        .game-modes-section {
            background-color: var(--fire-gray);
            padding: 5rem 0;
        }
        
        .mode-card {
            background-color: #222;
            border-radius: 10px;
            overflow: hidden;
            transition: transform 0.3s;
            border: 2px solid #333;
            height: 100%;
        }
        
        .mode-card:hover {
            transform: translateY(-10px);
            border-color: var(--fire-primary);
        }
        
        .mode-card-header {
            padding: 1.5rem;
            text-align: center;
            color: white;
        }
        
        .mode-card-body {
            padding: 1.5rem;
        }
        
        .mode-card.bomb .mode-card-header {
            background: linear-gradient(90deg, var(--fire-t), #c62828);
        }
        
        .mode-card.hostage .mode-card-header {
            background: linear-gradient(90deg, var(--fire-ct), #1565c0);
        }
        
        .mode-card.zombie .mode-card-header {
            background: linear-gradient(90deg, var(--fire-zombie), #2e7d32);
        }
        
        .mode-card.deathmatch .mode-card-header {
            background: linear-gradient(90deg, #ff9800, #ff5722);
        }
        
        .mode-card.fun .mode-card-header {
            background: linear-gradient(90deg, #9c27b0, #673ab7);
        }
        
        .mode-card.competitive .mode-card-header {
            background: linear-gradient(90deg, #2196f3, #03a9f4);
        }
        
        .mode-card.kz .mode-card-header {
            background: linear-gradient(90deg, #00bcd4, #0097a7);
        }
        
        .map-card {
            background-color: #222;
            border-radius: 10px;
            overflow: hidden;
            transition: transform 0.3s;
            border: 2px solid #333;
        }
        
        .map-card:hover {
            transform: translateY(-5px);
            border-color: var(--fire-primary);
        }
        
        .map-card img {
            width: 100%;
            height: 180px;
            object-fit: cover;
        }
        
        .map-name {
            padding: 1rem;
            text-align: center;
            background-color: #333;
            font-weight: 600;
        }
        
        .requirements-list {
            list-style-type: none;
            padding: 0;
        }
        
        .requirements-list li {
            padding: 0.8rem 0;
            border-bottom: 1px solid #444;
            display: flex;
            align-items: center;
        }
        
        .requirements-list li:last-child {
            border-bottom: none;
        }
        
        .requirements-list i {
            color: var(--fire-primary);
            margin-right: 10px;
            font-size: 1.2rem;
        }
        
        .windows-badge {
            /*background: linear-gradient(90deg, var(--fire-primary), var(--fire-secondary));*/
            background-color:var(--fire-ct);
            color: white;
            padding: 0.5rem 1rem;
            border-radius: 5px;
            font-weight: 600;
            display: inline-block;
            margin-bottom: 1rem;
        }
        
        footer {
            background-color: #0a0a0a;
            border-top: 2px solid var(--fire-primary);
            padding: 3rem 0 1.5rem;
        }
        
        /* 调整底部导航链接颜色 */
        .footer-links a {
            color: #e0e0e0 !important; /* 更亮的颜色 */
            text-decoration: none;
            transition: color 0.3s;
        }
        
        .footer-links a:hover {
            color: var(--fire-primary) !important;
            text-decoration: underline;
        }
        
        .social-icons a {
            display: inline-block;
            width: 40px;
            height: 40px;
            background-color: var(--fire-gray);
            border-radius: 5px;
            text-align: center;
            line-height: 40px;
            margin-right: 10px;
            color: white;
            transition: all 0.3s;
        }
        
        .social-icons a:hover {
            background: linear-gradient(90deg, var(--fire-primary), var(--fire-secondary));
            transform: translateY(-3px);
        }
        
        .download-modal {
            background-color: var(--fire-gray);
            color: white;
        }
        
        .modal-header {
            border-bottom: 2px solid var(--fire-primary);
            background-color: #222;
        }
        
        .modal-footer {
            border-top: 1px solid #444;
            align-items: center;
        }
        
        .btn-close {
            filter: invert(1);
        }
        
        .stats-item {
            text-align: center;
            padding: 1.5rem;
        }
        
        .stats-number {
            font-size: 2.5rem;
            font-weight: 700;
            background: linear-gradient(90deg, var(--fire-primary), #ffcc00);
            -webkit-background-clip: text;
            background-clip: text;
            color: transparent;
            display: block;
        }
        
        .stats-label {
            font-size: 1rem;
            color: #aaa;
        }
        
        /* 火鸟电竞主题按钮 */
        .fire-btn {
            background-color: #333;
            border: 2px solid #555;
            color: white;
            padding: 0.8rem 1.5rem;
            border-radius: 5px;
            transition: all 0.3s;
            font-weight: 600;
        }
        
        .fire-btn:hover {
            border-color: var(--fire-primary);
            background-color: #222;
            color: white;
        }
        
        /* 响应式调整 */
        @media (max-width: 768px) {
            .hero-title {
                font-size: 2.5rem;
            }
            
            .section-title {
                font-size: 2rem;
            }
        }
        
        /* 下载进度条动画 */
        .progress {
            height: 10px;
            background-color: #333;
            border-radius: 5px;
            overflow: hidden;
        }
        
        .progress-bar {
            background: linear-gradient(90deg, var(--fire-primary), var(--fire-secondary));
            border-radius: 5px;
        }
        
        /* 火鸟火焰动画 */
        @keyframes fire {
            0%, 100% {
                transform: translateY(0) scale(1);
                opacity: 0.8;
            }
            50% {
                transform: translateY(-10px) scale(1.05);
                opacity: 1;
            }
        }
        
        .fire-animation {
            animation: fire 2s ease-in-out infinite;
        }
        
        /* 阵营标志 */
        .ct-badge {
            background-color: var(--fire-ct);
            color: white;
            padding: 0.3rem 0.8rem;
            border-radius: 3px;
            font-size: 0.9rem;
            font-weight: 600;
        }
        
        .t-badge {
            background-color: var(--fire-t);
            color: white;
            padding: 0.3rem 0.8rem;
            border-radius: 3px;
            font-size: 0.9rem;
            font-weight: 600;
        }
        
        .zombie-badge {
            background-color: var(--fire-zombie);
            color: white;
            padding: 0.3rem 0.8rem;
            border-radius: 3px;
            font-size: 0.9rem;
            font-weight: 600;
        }
        
        .fun-badge {
            background-color: var(--fire-purple);
            color: white;
            padding: 0.3rem 0.8rem;
            border-radius: 3px;
            font-size: 0.9rem;
            font-weight: 600;
        }
        
        .kz-badge {
            background-color: var(--fire-cyan);
            color: white;
            padding: 0.3rem 0.8rem;
            border-radius: 3px;
            font-size: 0.9rem;
            font-weight: 600;
        }
        
        /* 游戏版本标签 */
        .version-tag {
            background-color: #333;
            color: var(--fire-primary);
            padding: 0.2rem 0.8rem;
            border-radius: 3px;
            font-size: 0.9rem;
            border: 1px solid var(--fire-primary);
        }
        
        /* 火鸟电竞标志 */
        .firebird-logo {
            display: inline-flex;
            align-items: center;
        }
        
        .firebird-logo i {
            background: linear-gradient(90deg, var(--fire-primary), #ffcc00);
            -webkit-background-clip: text;
            background-clip: text;
            color: transparent;
            margin-right: 5px;
        }
        
        /* 火焰背景效果 */
        .fire-bg-text {
            background: linear-gradient(90deg, #ff6b00, #ffcc00, #ff6b00);
            background-size: 200% auto;
            -webkit-background-clip: text;
            background-clip: text;
            color: transparent;
            animation: fireText 3s linear infinite;
        }
        
        @keyframes fireText {
            0% { background-position: 0% center; }
            100% { background-position: 200% center; }
        }
        
        /* 火焰分隔线 */
        .fire-divider {
            height: 3px;
            background: linear-gradient(90deg, transparent, var(--fire-primary), var(--fire-secondary), transparent);
            margin: 2rem 0;
            border: none;
        }
        
        /* 公告模块样式 - 已修改为展开/收起 */
        .announcement-section {
            background-color: var(--fire-gray);
            padding: 5rem 0;
        }
        
        .announcement-card {
            background-color: #222;
            border-radius: 10px;
            overflow: hidden;
            border-left: 4px solid var(--fire-primary);
            transition: transform 0.3s;
            margin-bottom: 1.5rem;
        }
        
        .announcement-card:hover {
            transform: translateY(-5px);
        }
        
        .announcement-header {
            background-color: #333;
            padding: 1.2rem 1.5rem;
            border-bottom: 1px solid #444;
            display: flex;
            justify-content: space-between;
            align-items: center;
            cursor: pointer;
            transition: background-color 0.3s;
        }
        
        .announcement-header:hover {
            background-color: #3a3a3a;
        }
        
        .announcement-title {
            font-weight: 600;
            font-size: 1.1rem;
            margin: 0;
            color: white;
            flex: 1;
        }
        
        .announcement-date {
            color: #aaa;
            font-size: 0.9rem;
            margin-left: 1rem;
        }
        
        .announcement-body {
            padding: 1.5rem;
            display: none;
        }
        
        .announcement-body.expanded {
            display: block;
            animation: fadeIn 0.5s ease-in-out;
        }
        
        @keyframes fadeIn {
            from { opacity: 0; transform: translateY(-10px); }
            to { opacity: 1; transform: translateY(0); }
        }
        
        .announcement-content {
            color: #ccc;
            line-height: 1.6;
        }
        
        .announcement-badge {
            background-color: var(--fire-primary);
            color: white;
            padding: 0.2rem 0.7rem;
            border-radius: 3px;
            font-size: 0.8rem;
            font-weight: 600;
            margin-right: 0.5rem;
        }
        
        .announcement-badge.new {
            background-color: #e53935;
        }
        
        .announcement-badge.update {
            background-color: var(--fire-primary);
        }
        
        .announcement-badge.event {
            background-color: #43a047;
        }
        
        .announcement-badge.system {
            background-color: #1e6ff7;
        }
        
        /* 模式特色标签 */
        .mode-feature-tag {
            display: inline-block;
            background-color: #333;
            color: #aaa;
            padding: 0.3rem 0.7rem;
            border-radius: 15px;
            font-size: 0.8rem;
            margin-right: 0.5rem;
            margin-bottom: 0.5rem;
        }
        
        /* 游戏模式图标 */
        .mode-icon {
            font-size: 2rem;
            margin-bottom: 1rem;
        }
        
        /* 经典地图展示样式 */
        .classic-maps-section {
            background-color: var(--fire-dark);
            padding: 5rem 0;
        }
        
        .classic-map-card {
            background-color: var(--fire-gray);
            border-radius: 10px;
            overflow: hidden;
            transition: transform 0.3s, box-shadow 0.3s;
            height: 100%;
            border: 2px solid #333;
        }
        
        .classic-map-card:hover {
            transform: translateY(-10px);
            box-shadow: 0 10px 25px rgba(255, 107, 0, 0.2);
            border-color: var(--fire-primary);
        }
        
        .classic-map-card img {
            width: 100%;
            height: 200px;
            object-fit: cover;
        }
        
        .classic-map-info {
            padding: 1.5rem;
        }
        
        .classic-map-name {
            font-size: 1.3rem;
            font-weight: 700;
            color: white;
            margin-bottom: 0.5rem;
        }
        
        .classic-map-type {
            color: var(--fire-primary);
            font-weight: 600;
            margin-bottom: 0.8rem;
        }
        
        .classic-map-desc {
            color: #ccc;
            font-size: 0.95rem;
            line-height: 1.5;
        }
        
        .map-mode-badge {
            display: inline-block;
            background-color: #444;
            color: #ddd;
            padding: 0.2rem 0.6rem;
            border-radius: 3px;
            font-size: 0.8rem;
            margin-right: 0.3rem;
            margin-bottom: 0.3rem;
        }
        
        /* 平台图片展示样式 - 只保留轮播图 */
        .platform-images-section {
            background-color: var(--fire-gray);
            padding: 5rem 0;
        }
        
        /* 地图轮播样式 */
        .maps-carousel {
            background-color: var(--fire-gray);
            border-radius: 10px;
            overflow: hidden;
            box-shadow: 0 10px 30px rgba(0, 0, 0, 0.5);
            border: 2px solid var(--fire-primary);
        }
        
        .carousel-indicators button {
            background-color: var(--fire-primary) !important;
        }
        
        .carousel-control-prev-icon,
        .carousel-control-next-icon {
            background-color: var(--fire-primary);
            border-radius: 50%;
            width: 40px;
            height: 40px;
            background-size: 60%;
            opacity: 0.8;
        }
        
        .carousel-control-prev-icon:hover,
        .carousel-control-next-icon:hover {
            opacity: 1;
        }
        
        /* 调整底部联系信息颜色 */
        .footer-contact {
            color: #d0d0d0 !important;
        }
        
        /* 优化立即下载模块样式 */
        .download-section {
            background: linear-gradient(135deg, rgba(15, 15, 15, 0.9), rgba(15, 15, 15, 0.9)), 
                        url('https://images.unsplash.com/photo-1531315630201-bb15abeb1653?ixlib=rb-4.0.3&ixid=M3wxMjA3fDB8MHxwaG90by1wYWdlfHx8fGVufDB8fHx8fA%3D%3D&auto=format&fit=crop&w=2070&q=80');
            background-size: cover;
            background-position: center;
            padding: 5rem 0;
            position: relative;
        }
        
        .download-section::before {
            content: '';
            position: absolute;
            top: 0;
            left: 0;
            width: 100%;
            height: 100%;
            background: radial-gradient(circle at 20% 50%, rgba(255, 107, 0, 0.2) 0%, transparent 50%),
                        radial-gradient(circle at 80% 20%, rgba(255, 60, 0, 0.15) 0%, transparent 50%);
        }
        
        .download-container {
            position: relative;
            z-index: 2;
        }
        
        .download-card {
            background-color: rgba(34, 34, 34, 0.9);
            backdrop-filter: blur(10px);
            border-radius: 15px;
            padding: 3rem;
            border: 2px solid var(--fire-primary);
            box-shadow: 0 15px 35px rgba(255, 107, 0, 0.2);
            transition: transform 0.3s, box-shadow 0.3s;
        }
        
        .download-card:hover {
            transform: translateY(-5px);
            box-shadow: 0 20px 40px rgba(255, 107, 0, 0.3);
        }
        
        .download-title {
            font-size: 2.5rem;
            font-weight: 700;
            margin-bottom: 1.5rem;
            color: white;
            text-align: center;
        }
        
        .download-title span {
            background: linear-gradient(90deg, var(--fire-primary), #ffcc00);
            -webkit-background-clip: text;
            background-clip: text;
            color: transparent;
        }
        
        .download-subtitle {
            font-size: 1.1rem;
            color: #ccc;
            margin-bottom: 2rem;
            text-align: center;
        }
        
        .download-features {
            margin-bottom: 2.5rem;
        }
        
        .feature-item {
            display: flex;
            align-items: center;
            margin-bottom: 1rem;
        }
        
        .feature-icon {
            color: var(--fire-primary);
            font-size: 1.5rem;
            margin-right: 1rem;
        }
        
        .feature-text {
            color: #ddd;
        }
        
        .download-info {
            background-color: rgba(0, 0, 0, 0.3);
            border-radius: 10px;
            padding: 1.5rem;
            margin-bottom: 2rem;
            border: 1px solid #444;
        }
        
        .download-info-item {
            display: flex;
            justify-content: space-between;
            padding: 0.5rem 0;
            border-bottom: 1px solid #444;
        }
        
        .download-info-item:last-child {
            border-bottom: none;
        }
        
        .download-info-label {
            color: #aaa;
        }
        
        .download-info-value {
            color: #fff;
            font-weight: 600;
        }
        
        .download-buttons {
            display: flex;
            justify-content: center;
            gap: 1.5rem;
            margin-top: 2rem;
        }
        
        .download-primary-btn {
            background: linear-gradient(90deg, var(--fire-primary), var(--fire-secondary));
            border: none;
            color: white;
            padding: 1.2rem 3rem;
            font-size: 1.3rem;
            font-weight: 600;
            border-radius: 8px;
            transition: all 0.3s;
            box-shadow: 0 8px 20px rgba(255, 107, 0, 0.4);
            display: flex;
            align-items: center;
            justify-content: center;
        }
        
        .download-primary-btn:hover {
            transform: translateY(-3px);
            box-shadow: 0 12px 25px rgba(255, 107, 0, 0.6);
            color: white;
        }
        
        .download-secondary-btn {
            background-color: rgba(255, 255, 255, 0.1);
            border: 2px solid var(--fire-primary);
            color: white;
            padding: 1.2rem 2rem;
            font-size: 1.1rem;
            font-weight: 600;
            border-radius: 8px;
            transition: all 0.3s;
        }
        
        .download-secondary-btn:hover {
            background-color: rgba(255, 107, 0, 0.1);
            transform: translateY(-3px);
            color: white;
        }
        
        /* 公告展开指示器 */
        .announcement-toggle {
            color: var(--fire-primary);
            font-size: 1.2rem;
            transition: transform 0.3s;
        }
        
        .announcement-header.active .announcement-toggle {
            transform: rotate(180deg);
        }