* {
            box-sizing: border-box;
            margin: 0;
            padding: 0;
        }
        
        html, body {
            height: 100%;
            font-family: "Microsoft YaHei", "Helvetica Neue", Arial, sans-serif;
            background: #f5f5f5;
        }
        
        /* ==================== PC端样式 ==================== */
        @media (min-width: 769px) {
            body {
                background: #f5f5f5;
            }
            
            /* PC端顶部导航 */
            .pc-header {
                background: linear-gradient(90deg, #2fa14b 0%, #3eb16a 100%);
                height: 48px;
                display: flex;
                align-items: center;
                justify-content: space-between;
                padding: 0 24px;
                box-shadow: 0 2px 8px rgba(0,0,0,0.1);
            }
            
            .pc-logo {
                height: 28px;
            }
            
            /* 语言切换下拉框 */
            .lang-selector {
                position: relative;
                margin-left: 16px;
            }
            
            .lang-current {
                display: flex;
                align-items: center;
                gap: 6px;
                background: rgba(255, 255, 255, 0.2);
                border: 1px solid rgba(255, 255, 255, 0.3);
                border-radius: 20px;
                padding: 4px 12px;
                cursor: pointer;
                transition: all 0.3s;
                color: #fff;
                font-size: 13px;
            }
            
            .lang-current:hover {
                background: rgba(255, 255, 255, 0.3);
            }
            
            .lang-current img {
                width: 20px;
                height: 14px;
                border-radius: 2px;
                object-fit: cover;
            }
            
            .lang-current i {
                font-size: 10px;
            }
            
            .lang-dropdown {
                position: absolute;
                top: 100%;
                right: 0;
                margin-top: 8px;
                background: #fff;
                border-radius: 8px;
                box-shadow: 0 4px 12px rgba(0,0,0,0.15);
                min-width: 120px;
                display: none;
                z-index: 1000;
            }
            
            .lang-dropdown.show {
                display: block;
            }
            
            .lang-option {
                display: flex;
                align-items: center;
                gap: 8px;
                padding: 10px 16px;
                cursor: pointer;
                transition: background 0.3s;
                color: #333;
                font-size: 13px;
            }
            
            .lang-option:first-child {
                border-radius: 8px 8px 0 0;
            }
            
            .lang-option:last-child {
                border-radius: 0 0 8px 8px;
            }
            
            .lang-option:hover {
                background: #f5f5f5;
            }
            
            .lang-option.active {
                background: #e8f5e9;
                color: #2fa14b;
                font-weight: bold;
            }
            
            .lang-option img {
                width: 20px;
                height: 14px;
                border-radius: 2px;
                object-fit: cover;
            }
            
            .pc-nav {
                display: flex;
                align-items: center;
                gap: 16px;
            }
            
            /* PC端菜单按钮 */
            .pc-menu-btn {
                background: rgba(255, 255, 255, 0.2);
                border: 1px solid rgba(255, 255, 255, 0.3);
                color: #fff;
                border-radius: 8px;
                width: 40px;
                height: 40px;
                display: flex;
                align-items: center;
                justify-content: center;
                font-size: 20px;
                cursor: pointer;
                transition: all 0.3s;
            }
            
            .pc-menu-btn:hover {
                background: rgba(255, 255, 255, 0.3);
                transform: scale(1.05);
            }
            
            .pc-time {
                color: #fff;
                font-size: 13px;
            }
            
            .pc-btn {
                background: #fff;
                color: #2fa14b;
                border: none;
                border-radius: 20px;
                padding: 6px 20px;
                font-size: 14px;
                cursor: pointer;
                transition: all 0.3s;
            }
            
            .pc-btn:hover {
                background: #e8f5e9;
            }
            
            .pc-btn.primary {
                background: #2fa14b;
                color: #fff;
            }
            
            .pc-btn.primary:hover {
                background: #27853f;
            }
            
            /* PC端账户导航按钮 */
            /* 客服按钮（始终显示） */
            .customer-service-nav {
                display: flex;
                align-items: center;
                gap: 12px;
                list-style: none;
                margin: 0;
                padding: 0;
            }
            
            .customer-service-nav li {
                list-style: none;
            }
            
            .customer-service-nav a {
                display: flex;
                align-items: center;
                gap: 6px;
                padding: 6px 16px;
                border-radius: 20px;
                font-size: 13px;
                font-weight: 600;
                text-decoration: none;
                transition: all 0.3s;
                cursor: pointer;
            }
            
            .customer-service-nav .checkInfo-icon {
                background: linear-gradient(135deg, #ff9800 0%, #ff6b00 100%);
                color: #fff;
                box-shadow: 0 2px 8px rgba(255, 152, 0, 0.3);
            }
            
            .customer-service-nav .checkInfo-icon:hover {
                background: linear-gradient(135deg, #f57c00 0%, #e65100 100%);
                transform: translateY(-2px);
                box-shadow: 0 4px 12px rgba(255, 152, 0, 0.4);
            }
            
            /* 账户导航按钮（登录后显示） */
            .account-nav {
                display: none;  /* 默认隐藏，登录后显示 */
                align-items: center;
                gap: 12px;
                list-style: none;
                margin: 0;
                padding: 0;
            }
            
            .account-nav.show {
                display: flex;
            }
            
            .account-nav li {
                list-style: none;
            }
            
            .account-nav a {
                display: flex;
                align-items: center;
                gap: 6px;
                padding: 6px 16px;
                border-radius: 20px;
                font-size: 13px;
                font-weight: 600;
                text-decoration: none;
                transition: all 0.3s;
                cursor: pointer;
            }
            
            .account-nav .checkInfo-icon {
                background: linear-gradient(135deg, #ff9800 0%, #ff6b00 100%);
                color: #fff;
                box-shadow: 0 2px 8px rgba(255, 152, 0, 0.3);
            }
            
            .account-nav .checkInfo-icon:hover {
                background: linear-gradient(135deg, #f57c00 0%, #e65100 100%);
                transform: translateY(-2px);
                box-shadow: 0 4px 12px rgba(255, 152, 0, 0.4);
            }
            
            .account-nav .icon1 {
                background: linear-gradient(135deg, #2fa14b 0%, #3eb16a 100%);
                color: #fff;
                box-shadow: 0 2px 8px rgba(47, 161, 75, 0.3);
            }
            
            .account-nav .icon1:hover {
                background: linear-gradient(135deg, #27853f 0%, #359b5e 100%);
                transform: translateY(-2px);
                box-shadow: 0 4px 12px rgba(47, 161, 75, 0.4);
            }
            
            .account-nav .icon2 {
                background: linear-gradient(135deg, #1976d2 0%, #2196f3 100%);
                color: #fff;
                box-shadow: 0 2px 8px rgba(33, 150, 243, 0.3);
            }
            
            .account-nav .icon2:hover {
                background: linear-gradient(135deg, #1565c0 0%, #1976d2 100%);
                transform: translateY(-2px);
                box-shadow: 0 4px 12px rgba(33, 150, 243, 0.4);
            }
            
            /* 未登录按钮组 */
            .pc-nav-btns {
                display: flex;
                align-items: center;
                gap: 12px;
            }
            
            .pc-nav-btns.hide {
                display: none;
            }
            
            /* PC端轮播 */
            .pc-carousel {
                width: 100%;
                height: 420px;
                position: relative;
                overflow: hidden;
                background: #000;
            }
            
            .carousel-inner {
                width: 100%;
                height: 100%;
                position: relative;
            }
            
            .carousel-slide {
                position: absolute;
                width: 100%;
                height: 100%;
                top: 0;
                left: 0;
                opacity: 0;
                transition: opacity 0.8s ease-in-out;
                display: flex;
                align-items: center;
                justify-content: center;
            }
            
            .carousel-slide.active {
                opacity: 1;
                z-index: 2;
            }
            
            .carousel-slide img {
                max-width: 100%;
                max-height: 100%;
                object-fit: cover;
            }
            
            .carousel-control {
                position: absolute;
                top: 50%;
                transform: translateY(-50%);
                background: rgba(0,0,0,0.4);
                color: #fff;
                border: none;
                width: 50px;
                height: 50px;
                border-radius: 50%;
                font-size: 24px;
                cursor: pointer;
                z-index: 10;
                transition: background 0.3s;
            }
            
            .carousel-control:hover {
                background: rgba(0,0,0,0.6);
            }
            
            .carousel-control.prev {
                left: 20px;
            }
            
            .carousel-control.next {
                right: 20px;
            }
            
            .carousel-indicators {
                position: absolute;
                bottom: 20px;
                left: 50%;
                transform: translateX(-50%);
                display: flex;
                gap: 10px;
                z-index: 10;
            }
            
            .carousel-indicator {
                width: 12px;
                height: 12px;
                border-radius: 50%;
                background: rgba(255,255,255,0.5);
                cursor: pointer;
                transition: all 0.3s;
            }
            
            .carousel-indicator.active {
                background: #fff;
                width: 30px;
                border-radius: 6px;
            }
            
            /* PC端主内容 */
            .pc-main {
                background: #1a1a1a;
                padding: 40px 20px 90px 20px;  /* 增加底部内边距为底部导航留出空间 */
                margin: 0;
            }
            
            .pc-main-inner {
                max-width: 1400px;
                margin: 0 auto;
            }
            
            .section-title {
                color: #fff;
                font-size: 24px;
                font-weight: bold;
                margin-bottom: 24px;
                display: flex;
                align-items: center;
                gap: 10px;
            }
            
            .section-title i {
                color: #2fa14b;
            }
            
            /* 赛事卡片网格 */
            .matches-grid {
                display: grid;
                grid-template-columns: repeat(4, 1fr);
                gap: 20px;
                margin-bottom: 20px;
            }
            
            .match-card {
                background: linear-gradient(135deg, #ffffff 0%, #f8f9fa 100%);
                border-radius: 20px;
                padding: 24px;
                box-shadow: 0 4px 16px rgba(0,0,0,0.08);
                transition: all 0.3s cubic-bezier(0.4, 0, 0.2, 1);
                border: 1px solid rgba(47, 161, 75, 0.1);
                position: relative;
                overflow: hidden;
            }
            
            .match-card::before {
                content: '';
                position: absolute;
                top: 0;
                left: 0;
                right: 0;
                height: 4px;
                background: linear-gradient(90deg, #2fa14b 0%, #3eb16a 100%);
                transform: scaleX(0);
                transition: transform 0.3s ease;
            }
            
            .match-card:hover {
                transform: translateY(-8px);
                box-shadow: 0 12px 28px rgba(47, 161, 75, 0.2);
                border-color: rgba(47, 161, 75, 0.3);
            }
            
            .match-card:hover::before {
                transform: scaleX(1);
            }
            
            .match-header {
                display: flex;
                justify-content: space-between;
                align-items: center;
                margin-bottom: 16px;
                padding-bottom: 16px;
                border-bottom: 2px solid #f0f0f0;
            }
            
            .match-time {
                font-size: 15px;
                color: #333;
                font-weight: 600;
            }
            
            .match-countdown {
                background: linear-gradient(135deg, #ff9800 0%, #ff6b00 100%);
                color: #fff;
                padding: 6px 14px;
                border-radius: 20px;
                font-size: 12px;
                font-weight: bold;
                box-shadow: 0 2px 8px rgba(255, 107, 0, 0.3);
                animation: pulse 2s ease-in-out infinite;
            }
            
            @keyframes pulse {
                0%, 100% { transform: scale(1); }
                50% { transform: scale(1.05); }
            }
            
            .match-league {
                color: #2fa14b;
                font-size: 18px;
                font-weight: bold;
                margin-bottom: 12px;
                display: inline-block;
                position: relative;
            }
            
            .match-league::after {
                content: '';
                position: absolute;
                bottom: -4px;
                left: 0;
                width: 40px;
                height: 3px;
                background: linear-gradient(90deg, #2fa14b 0%, transparent 100%);
                border-radius: 2px;
            }
            
            /* VIP标识样式 */
            .vip-badge {
                display: inline-block;
                background: linear-gradient(135deg, #ffd700 0%, #ffed4e 100%);
                color: #333;
                font-size: 12px;
                font-weight: bold;
                padding: 4px 10px;
                border-radius: 12px;
                margin-left: 8px;
                vertical-align: middle;
                box-shadow: 0 2px 8px rgba(255, 215, 0, 0.4);
                animation: vip-glow 2s ease-in-out infinite;
            }
            
            @keyframes vip-glow {
                0%, 100% { box-shadow: 0 2px 8px rgba(255, 215, 0, 0.4); }
                50% { box-shadow: 0 2px 12px rgba(255, 215, 0, 0.6), 0 0 20px rgba(255, 215, 0, 0.3); }
            }
            
            .match-volume {
                display: flex;
                align-items: baseline;
                gap: 10px;
                margin-bottom: 16px;
                padding: 12px;
                background: linear-gradient(135deg, #e8f5e9 0%, #f1f8f4 100%);
                border-radius: 12px;
                border-left: 4px solid #2fa14b;
            }
            
            .volume-label {
                font-size: 12px;
                color: #666;
                font-weight: 500;
            }
            
            .volume-value {
                font-size: 32px;
                font-weight: 900;
                background: linear-gradient(135deg, #2fa14b 0%, #3eb16a 100%);
                -webkit-background-clip: text;
                -webkit-text-fill-color: transparent;
                background-clip: text;
                letter-spacing: 1px;
            }
            
            .match-teams {
                display: flex;
                justify-content: space-between;
                align-items: center;
                margin-bottom: 16px;
                padding: 16px;
                background: #fff;
                border-radius: 12px;
                box-shadow: inset 0 2px 6px rgba(0,0,0,0.04);
            }
            
            .team-item {
                display: flex;
                flex-direction: column;
                align-items: center;
                gap: 8px;
                flex: 1;
                min-height: 90px;  /* 固定最小高度，确保所有卡片高度一致 */
                justify-content: flex-start;  /* 从顶部开始对齐 */
            }
            
            .team-logo {
                width: 48px;
                height: 48px;
                object-fit: contain;
                border-radius: 8px;
                background: #f8f9fa;
                padding: 4px;
                box-shadow: 0 2px 8px rgba(0,0,0,0.08);
                transition: all 0.3s;
                flex-shrink: 0;  /* 防止logo被压缩 */
            }
            
            .team-logo:hover {
                transform: scale(1.1);
                box-shadow: 0 4px 12px rgba(47, 161, 75, 0.2);
            }
            
            .team-name {
                font-size: 15px;
                color: #333;
                font-weight: 600;
                text-align: center;
                width: 100%;
                line-height: 1.3;
                min-height: 40px;  /* 确保队名区域有固定高度 */
                display: flex;
                align-items: center;
                justify-content: center;
                word-break: break-word;  /* 允许长单词换行 */
            }
            
            .vs-badge {
                color: #2fa14b;
                padding: 0 16px;
                font-size: 16px;
                font-weight: bold;
                letter-spacing: 2px;
                flex-shrink: 0;
            }
            
            .match-score {
                text-align: center;
                margin-bottom: 16px;
                color: #666;
                font-size: 15px;
                font-weight: 600;
                padding: 8px;
                background: #f8f9fa;
                border-radius: 8px;
            }
            
            .match-action {
                text-align: center;
            }
            
            .enter-btn {
                background: linear-gradient(135deg, #2fa14b 0%, #3eb16a 100%);
                color: #fff;
                border: none;
                border-radius: 25px;
                padding: 12px 36px;
                font-size: 15px;
                font-weight: bold;
                cursor: pointer;
                transition: all 0.3s cubic-bezier(0.4, 0, 0.2, 1);
                width: 100%;
                box-shadow: 0 4px 16px rgba(47, 161, 75, 0.3);
                position: relative;
                overflow: hidden;
            }
            
            .enter-btn::before {
                content: '';
                position: absolute;
                top: 50%;
                left: 50%;
                width: 0;
                height: 0;
                border-radius: 50%;
                background: rgba(255, 255, 255, 0.3);
                transform: translate(-50%, -50%);
                transition: width 0.6s, height 0.6s;
            }
            
            .enter-btn:hover::before {
                width: 300px;
                height: 300px;
            }
            
            .enter-btn:hover {
                background: linear-gradient(135deg, #27853f 0%, #359b5e 100%);
                transform: translateY(-2px);
                box-shadow: 0 8px 24px rgba(47, 161, 75, 0.4);
            }
            
            .enter-btn:active {
                transform: translateY(0);
            }
            
            /* PC端Footer */
            .pc-footer {
                background: linear-gradient(180deg, #e6f5e9 0%, #f8fcf9 100%);
                padding: 40px 20px;
                padding-bottom: 90px;  /* 为底部导航留出空间 */
                margin-top: 60px;
            }
            
            .footer-content {
                max-width: 1200px;
                margin: 0 auto;
                text-align: center;
            }
            
            .footer-info {
                color: #666;
                font-size: 13px;
                margin-bottom: 20px;
            }
            
            .footer-copyright {
                color: #999;
                font-size: 12px;
            }
            
            /* 隐藏移动端元素（保留底部导航） */
            .mobile-header,
            .mobile-carousel,
            .mobile-main {
                display: none;
            }
            
            /* PC端隐藏底部导航 */
            .mobile-bottom-nav {
                display: none !important;
            }
        }
        
        /* ==================== 移动端样式 ==================== */
        @media (max-width: 768px) {
            body {
                background: #f5f5f5;
                padding-bottom: 70px;
            }
            
            /* 移动端顶部 */
            .mobile-header {
                background: #2fa14b;
                height: 56px;
                display: flex;
                align-items: center;
                justify-content: space-between;
                padding: 0 16px;
                box-shadow: 0 2px 8px rgba(0,0,0,0.1);
            }
            
            .mobile-logo {
                height: 32px;
            }
            
            .mobile-header-right {
                display: flex;
                align-items: center;
                gap: 12px;
            }
            
            .mobile-login-btn {
                background: #fff;
                color: #2fa14b;
                border: none;
                border-radius: 16px;
                padding: 6px 16px;
                font-size: 13px;
                font-weight: bold;
                cursor: pointer;
                transition: all 0.3s;
                display: flex;
                align-items: center;
                gap: 6px;
            }
            
            .mobile-login-btn:active {
                background: #e8f5e9;
            }
            
            .mobile-register-btn {
                background: linear-gradient(90deg, #2fa14b 0%, #3eb16a 100%);
                color: #fff;
                border: none;
                border-radius: 16px;
                padding: 6px 16px;
                font-size: 13px;
                font-weight: bold;
                cursor: pointer;
                transition: all 0.3s;
                display: flex;
                align-items: center;
                gap: 6px;
            }
            
            .mobile-register-btn:active {
                opacity: 0.8;
            }
            
            /* 移动端登录/注册按钮隐藏（必须放在按钮样式之后） */
            .mobile-login-btn.hide,
            .mobile-register-btn.hide {
                display: none !important;
            }
            
            .mobile-menu-btn {
                background: none;
                border: none;
                color: #fff;
                font-size: 24px;
                cursor: pointer;
            }
            
            /* 移动端轮播 */
            .mobile-carousel {
                width: 100%;
                height: 220px;
                position: relative;
                overflow: hidden;
                background: #000;
            }
            
            .carousel-inner {
                width: 100%;
                height: 100%;
                position: relative;
            }
            
            .carousel-slide {
                position: absolute;
                width: 100%;
                height: 100%;
                top: 0;
                left: 0;
                opacity: 0;
                transition: opacity 0.8s ease-in-out;
                display: flex;
                align-items: center;
                justify-content: center;
            }
            
            .carousel-slide.active {
                opacity: 1;
                z-index: 2;
            }
            
            .carousel-slide img {
                width: 100%;
                height: 100%;
                object-fit: cover;
            }
            
            .carousel-indicators {
                position: absolute;
                bottom: 12px;
                left: 50%;
                transform: translateX(-50%);
                display: flex;
                gap: 8px;
                z-index: 10;
            }
            
            .carousel-indicator {
                width: 8px;
                height: 8px;
                border-radius: 50%;
                background: rgba(255,255,255,0.5);
            }
            
            .carousel-indicator.active {
                background: #fff;
                width: 24px;
                border-radius: 4px;
            }
            
            /* 移动端主内容 */
            .mobile-main {
                padding: 16px;
                padding-bottom: 80px;  /* 底部导航60px + 额外20px间距 */
            }
            
            .section-title {
                color: #333;
                font-size: 18px;
                font-weight: bold;
                margin-bottom: 16px;
                display: flex;
                align-items: center;
                gap: 8px;
            }
            
            .section-title i {
                color: #2fa14b;
            }
            
            /* 移动端赛事列表 */
            .matches-list {
                display: flex;
                flex-direction: column;
                gap: 12px;
            }
            
            .match-card {
                background: #fff;
                border-radius: 12px;
                padding: 16px;
                box-shadow: 0 2px 8px rgba(0,0,0,0.06);
            }
            
            .match-header {
                display: flex;
                justify-content: space-between;
                align-items: center;
                margin-bottom: 10px;
                padding-bottom: 10px;
                border-bottom: 1px solid #f0f0f0;
            }
            
            .match-time {
                font-size: 13px;
                color: #666;
            }
            
            .match-countdown {
                background: #fff3e0;
                color: #ff6b00;
                padding: 3px 10px;
                border-radius: 10px;
                font-size: 11px;
                font-weight: bold;
            }
            
            .match-league {
                color: #2fa14b;
                font-size: 15px;
                font-weight: bold;
                margin-bottom: 8px;
            }
            
            .match-teams {
                display: flex;
                justify-content: space-between;
                align-items: center;
                margin-bottom: 10px;
            }
            
            .team-item {
                display: flex;
                flex-direction: column;
                align-items: center;
                gap: 6px;
                flex: 1;
            }
            
            .team-logo {
                width: 36px;
                height: 36px;
                object-fit: contain;
                border-radius: 6px;
                background: #f8f9fa;
                padding: 3px;
                box-shadow: 0 1px 4px rgba(0,0,0,0.08);
            }
            
            .team-name {
                font-size: 13px;
                color: #333;
                font-weight: 600;
                flex: 1;
                text-align: center;
            }
            
            .team-name:first-child {
                text-align: left;
            }
            
            .team-name:last-child {
                text-align: right;
            }
            
            .vs-badge {
                color: #2fa14b;
                padding: 0 12px;
                font-size: 14px;
                font-weight: bold;
                letter-spacing: 2px;
                flex-shrink: 0;
            }
            
            .match-score {
                text-align: center;
                margin-bottom: 10px;
                color: #666;
                font-size: 13px;
            }
            
            .match-action {
                text-align: center;
            }
            
            .enter-btn {
                background: linear-gradient(90deg, #2fa14b 0%, #3eb16a 100%);
                color: #fff;
                border: none;
                border-radius: 20px;
                padding: 8px 24px;
                font-size: 13px;
                font-weight: bold;
                cursor: pointer;
                width: 100%;
            }
            
            /* 移动端底部导航 */
            .mobile-bottom-nav {
                position: fixed;
                bottom: 0;
                left: 0;
                right: 0;
                background: #fff;
                height: 60px;
                display: flex;
                justify-content: space-around;
                align-items: center;
                box-shadow: 0 -2px 8px rgba(0,0,0,0.1);
                z-index: 100;
            }
            
            .nav-item {
                display: flex;
                flex-direction: column;
                align-items: center;
                gap: 4px;
                color: #999;
                text-decoration: none;
                font-size: 11px;
                flex: 1;
                padding: 8px 0;
            }
            
            .nav-item.active {
                color: #2fa14b;
            }
            
            .nav-item i {
                font-size: 20px;
            }
            
            /* 隐藏PC端元素 */
            .pc-header,
            .pc-carousel,
            .pc-main,
            .pc-footer {
                display: none;
            }
        }