@keyframes gradientMove {
            0%, 100% {
                background-position: 0% 50%;
                transform: translateZ(0);
            }
            25% {
                background-position: 100% 50%;
                transform: translateZ(0);
            }
            50% {
                background-position: 50% 100%;
                transform: translateZ(0);
            }
            75% {
                background-position: 0% 50%;
                transform: translateZ(0);
            }
            100% {
                background-position: 50% 0%;
                transform: translateZ(0);
            }
        }

        .container {
            text-align: center;
            padding: 20px;
            margin-top: 20px;
            width: 100%;
            box-sizing: border-box;
            max-width: 1200px;
            margin-left: auto;
            margin-right: auto;
            transform: translateZ(0);
            will-change: transform;
        }

        .logo {
            width: 100px;
            height: 100px;
            margin-bottom: 20px;
            border-radius: 10px;
        }

        h1 {
            font-size: 2em;
            margin-bottom: 15px;
        }

        .download-buttons {
            display: flex;
            gap: 20px;
            flex-wrap: wrap;
            justify-content: center;
            padding: 0 20px;
            margin: 30px auto;
            max-width: 600px;
        }

        .download-button {
            display: flex;
            align-items: center;
            gap: 12px;
            padding: 12px 24px;
            min-width: 200px;
            border-radius: 50px;
            color: white;
            text-decoration: none;
            font-size: 1.2em;
            transition: all 0.3s ease;
            border: none;
            cursor: pointer;
            transform: translateZ(0);
            will-change: transform;
        }

        .download-button i {
            font-size: 2rem;
        }

        .platform-icon {
            width: 32px;
            height: 32px;
            object-fit: contain;
            transition: transform 0.3s ease;
        }

        .download-button:hover .platform-icon {
            transform: scale(1.1);
        }

        .button-text {
            display: flex;
            flex-direction: column;
        }

        .button-text small {
            font-size: 0.8rem;
            opacity: 0.9;
        }

        .button-text strong {
            font-size: 1.1rem;
        }

        .android {
            background: #3DDC84;
            box-shadow: 0 4px 15px rgba(61, 220, 132, 0.3);
        }

        .ios {
            background: #007AFF;
            box-shadow: 0 4px 15px rgba(0, 122, 255, 0.3);
        }

        .windows {
            background: #00A4EF;
            box-shadow: 0 4px 15px rgba(0, 164, 239, 0.3);
        }

        .download-button:hover {
            transform: translateY(-2px);
            box-shadow: 0 6px 20px rgba(0, 0, 0, 0.2);
        }

        .download-button:active {
            transform: translateY(0);
        }

        .features {
            margin-top: 50px;
            max-width: 1200px;
            width: 100%;
            padding: 0 20px;
            box-sizing: border-box;
            margin-left: auto;
            margin-right: auto;
        }

        .features h2 {
            color: #fff;
            margin-bottom: 30px;
            text-align: center;
        }

        .feature-cards {
            display: grid;
            grid-template-columns: repeat(3, 1fr);
            gap: 20px;
            justify-content: center;
            margin: 0 auto;
        }

        .feature-card {
            background: rgba(255, 255, 255, 0.1);
            border-radius: 15px;
            padding: 20px;
            backdrop-filter: blur(10px);
            transition: transform 0.3s ease;
            transform: translateZ(0);
            will-change: transform;
        }

        .feature-card:hover {
            transform: translateY(-5px) translateZ(20px);
            box-shadow: 0 10px 20px rgba(0, 0, 0, 0.2);
        }

        .feature-card h3 {
            color: #fff;
            margin-top: 0;
            margin-bottom: 10px;
            font-size: 1.2em;
        }

        .feature-card p {
            color: #ddd;
            margin: 0;
            line-height: 1.5;
        }

        @media (max-width: 900px) {
            .feature-cards {
                grid-template-columns: repeat(2, 1fr);
            }
        }

        @media (max-width: 768px) {
            .container {
                padding: 15px;
                display: flex;
                flex-direction: column;
                align-items: center;
            }

            .download-buttons {
                flex-direction: column;
                padding: 0;
                gap: 15px;
                width: 90%;
                max-width: 280px;
                margin: 30px auto;
                align-items: center;
                margin-left: auto;
                margin-right: auto;
            }

            .download-button {
                width: 100%;
                min-width: unset;
                padding: 12px 20px;
                font-size: 1.1em;
                display: flex;
                justify-content: center;
                align-items: center;
                margin: 0;
                box-sizing: border-box;
            }

            .download-button i {
                width: 20px;
                height: 20px;
                margin-right: 8px;
            }

            .features {
                padding: 0 15px;
                margin-top: 30px;
            }

            .feature-cards {
                grid-template-columns: repeat(2, 1fr);
                gap: 15px;
                width: 100%;
            }

            .feature-card {
                padding: 15px;
            }

            .feature-card h3 {
                font-size: 1.1em;
            }

            .feature-card p {
                font-size: 0.9em;
            }

            .download-buttons > * {
                margin-left: 0;
                margin-right: 0;
            }
        }

        @media (max-width: 600px) {
            .feature-cards {
                grid-template-columns: 1fr;
                max-width: 400px;
                margin: 0 auto;
            }

            .download-buttons {
                width: 85%;
                max-width: 260px;
            }
        }

        @media (max-width: 320px) {
            .logo {
                width: 80px;
                height: 80px;
            }

            h1 {
                font-size: 1.8em;
            }

            .container {
                padding: 10px;
            }

            .download-buttons {
                width: 80%;
                max-width: 240px;
            }

            .download-button {
                padding: 10px 15px;
                font-size: 1em;
            }

            .download-button i {
                width: 18px;
                height: 18px;
            }

            .features {
                padding: 0 10px;
            }

            .feature-card {
                padding: 12px;
            }
        }

        /* 添加主题相关的CSS变量 */
        :root {
            --bg-gradient-dark: linear-gradient(135deg, #1a1a1a, #2d2d2d);
            --bg-gradient-light: linear-gradient(135deg, #f5f5f5, #e0e0e0);
            --text-color-dark: #fff;
            --text-color-light: #333;
            --card-bg-dark: rgba(255, 255, 255, 0.1);
            --card-bg-light: rgba(0, 0, 0, 0.05);
            --card-text-dark: #ddd;
            --card-text-light: #666;
        }

        /* 主题切换按钮样式 */
        .theme-toggle {
            position: fixed;
            top: 20px;
            right: 20px;
            background: none;
            border: none;
            cursor: pointer;
            padding: 10px;
            z-index: 1000;
            color: white; /* 默认暗色模式下为白色 */
        }

        .theme-toggle svg {
            width: 24px;
            height: 24px;
            fill: currentColor;
            transition: transform 0.3s ease;
        }

        .theme-toggle:hover svg {
            transform: rotate(30deg);
        }

        /* 明亮主题样式优化 */
        body.light-theme {
            background: var(--bg-gradient-light);
            color: var(--text-color-light);
        }

        .light-theme .features h2,
        .light-theme .partners-container h2 { /* 添加合作伙伴标题的选择器 */
            color: var(--text-color-light); /* 标题改为深色 */
        }

        .light-theme .feature-card {
            background: var(--card-bg-light);
        }

        .light-theme .feature-card h3 {
            color: var(--text-color-light); /* 卡片标题改为深色 */
        }

        .light-theme .feature-card p {
            color: var(--card-text-light); /* 卡片描述文字改为深灰色 */
        }

        /* 明亮主题下的按钮颜色 */
        body.light-theme .theme-toggle {
            color: #333; /* 明亮模式下改为深色 */
        }

        /* 适配移动端主题切换按钮 */
        @media (max-width: 768px) {
            .theme-toggle {
                top: 10px;
                right: 10px;
            }
        }

        /* 下载量统计样式更新 */
        .download-stats {
            display: flex;
            justify-content: center;
            gap: 40px;
            margin: 30px auto;
            padding: 20px;
            background: rgba(255, 255, 255, 0.1);
            border-radius: 15px;
            backdrop-filter: blur(10px);
            max-width: 600px;
            flex-direction: row; /* 确保水平排列 */
        }

        .stat-item {
            display: flex;
            flex-direction: column;
            align-items: center;
            gap: 5px;
            padding: 15px;
            border-radius: 10px;
            transition: all 0.3s ease;
            transform: translateZ(0);
            will-change: transform;
        }

        .stat-item:hover {
            transform: translateY(-5px);
            background: rgba(255, 255, 255, 0.1);
            box-shadow: 0 4px 15px rgba(0, 0, 0, 0.1);
        }

        .stat-number {
            font-size: 1.8em;
            font-weight: bold;
            color: var(--text-color-dark);
            opacity: 0;
            transform: translateY(20px);
            animation: fadeInUp 0.8s ease forwards;
        }

        .stat-label {
            font-size: 0.9em;
            color: var(--card-text-dark);
            opacity: 0;
            transform: translateY(20px);
            animation: fadeInUp 0.8s ease forwards 0.2s;
        }

        /* 添加动画关键帧 */
        @keyframes fadeInUp {
            from {
                opacity: 0;
                transform: translateY(20px);
            }
            to {
                opacity: 1;
                transform: translateY(0);
            }
        }

        /* 为每个统计项添加不同的动画延迟 */
        .stat-item:nth-child(1) .stat-number { animation-delay: 0.2s; }
        .stat-item:nth-child(2) .stat-number { animation-delay: 0.4s; }
        .stat-item:nth-child(3) .stat-number { animation-delay: 0.6s; }
        .stat-item:nth-child(1) .stat-label { animation-delay: 0.4s; }
        .stat-item:nth-child(2) .stat-label { animation-delay: 0.6s; }
        .stat-item:nth-child(3) .stat-label { animation-delay: 0.8s; }

        /* 适配明亮主题 */
        .light-theme .download-stats {
            background: var(--card-bg-light);
        }

        .light-theme .stat-item:hover {
            background: rgba(0, 0, 0, 0.05);
        }

        .light-theme .stat-number {
            color: var(--text-color-light);
        }

        .light-theme .stat-label {
            color: var(--card-text-light);
        }

        /* 移动端适配 */
        @media (max-width: 768px) {
            .download-stats {
                flex-direction: row; /* 保持水平排列 */
                gap: 20px; /* 减小间距 */
                padding: 15px;
                margin: 20px auto;
            }

            .stat-item {
                gap: 3px;
            }

            .stat-number {
                font-size: 1.2em; /* 减小字体大小 */
            }

            .stat-label {
                font-size: 0.8em;
            }
        }

        @media (max-width: 320px) {
            .download-stats {
                gap: 10px; /* 更小的间距 */
                padding: 10px;
            }

            .stat-number {
                font-size: 1em;
            }

            .stat-label {
                font-size: 0.7em;
            }
        }

        /* 添加返回顶部按钮样式 */
        .back-to-top {
            position: fixed;
            bottom: 30px;
            right: 30px;
            width: 40px;
            height: 40px;
            border-radius: 50%;
            display: flex;
            align-items: center;
            justify-content: center;
            cursor: pointer;
            opacity: 0;
            visibility: hidden;
            transition: all 0.3s ease;
            z-index: 1000;
            border: none;
            background-color: var(--text-color-dark);
        }

        .back-to-top.visible {
            opacity: 1;
            visibility: visible;
        }

        .back-to-top svg {
            width: 20px;
            height: 20px;
            fill: var(--bg-gradient-dark);
        }

        .back-to-top:hover {
            transform: translateY(-5px);
        }

        /* 明亮主题样式 */
        .light-theme .back-to-top {
            background-color: var(--text-color-light);
        }

        .light-theme .back-to-top svg {
            fill: #fff;
        }

        /* 移动端适配 */
        @media (max-width: 768px) {
            .back-to-top {
                bottom: 20px;
                right: 20px;
                width: 35px;
                height: 35px;
            }
        }

        /* 添加应用截图轮播区域样式 */
        .screenshot-carousel {
            margin: 40px auto;
            max-width: 400px;
            padding: 0 20px;
            position: relative;
        }

        .carousel-container {
            position: relative;
            overflow: hidden;
            border-radius: 20px;
            background: rgba(255, 255, 255, 0.1);
            backdrop-filter: blur(10px);
            padding: 15px;
        }

        .carousel-track {
            display: flex;
            transition: transform 0.5s ease-in-out;
        }

        .carousel-slide {
            flex: 0 0 100%;
            padding: 0 10px;
            box-sizing: border-box;
            transform: translateZ(0);
            will-change: transform;
        }

        .carousel-slide img {
            width: 100%;
            max-width: 300px;
            height: auto;
            margin: 0 auto;
            display: block;
            border-radius: 15px;
            box-shadow: 0 10px 20px rgba(0, 0, 0, 0.2);
            transform: perspective(1000px) rotateY(0deg);
            transition: transform 0.5s ease;
        }

        .carousel-button {
            position: absolute;
            top: 50%;
            transform: translateY(-50%);
            background: rgba(255, 255, 255, 0.2);
            border: none;
            width: 35px;
            height: 35px;
            border-radius: 50%;
            cursor: pointer;
            display: flex;
            align-items: center;
            justify-content: center;
            transition: all 0.3s ease;
        }

        .carousel-button:hover {
            background: rgba(255, 255, 255, 0.3);
        }

        .carousel-button.prev {
            left: 10px;
        }

        .carousel-button.next {
            right: 10px;
        }

        .carousel-button svg {
            width: 20px;
            height: 20px;
            fill: white;
        }

        .carousel-indicators {
            display: flex;
            justify-content: center;
            gap: 10px;
            margin-top: 20px;
        }

        .indicator {
            width: 10px;
            height: 10px;
            border-radius: 50%;
            background: rgba(255, 255, 255, 0.3);
            cursor: pointer;
            transition: all 0.3s ease;
        }

        .indicator.active {
            background: white;
            transform: scale(1.2);
        }

        /* 明亮主题适配 */
        .light-theme .carousel-container {
            background: rgba(0, 0, 0, 0.05);
        }

        .light-theme .carousel-button {
            background: rgba(0, 0, 0, 0.1);
        }

        .light-theme .carousel-button:hover {
            background: rgba(0, 0, 0, 0.2);
        }

        .light-theme .carousel-button svg {
            fill: #333;
        }

        .light-theme .indicator {
            background: rgba(0, 0, 0, 0.2);
        }

        .light-theme .indicator.active {
            background: #333;
        }

        /* 移动端适配 */
        @media (max-width: 768px) {
            .screenshot-carousel {
                padding: 0 10px;
                margin: 20px auto;
            }

            .carousel-container {
                padding: 15px;
            }

            .carousel-button {
                width: 30px;
                height: 30px;
            }

            .carousel-button svg {
                width: 20px;
                height: 20px;
            }
        }

        /* 添加视差滚动效果的样式 */
        .parallax-container {
            perspective: 1000px;
            transform-style: preserve-3d;
        }

        .feature-card {
            transform: translateZ(0);
            transition: transform 0.3s ease, box-shadow 0.3s ease;
            will-change: transform;
        }

        .feature-card:hover {
            transform: translateY(-5px) translateZ(20px);
            box-shadow: 0 10px 20px rgba(0, 0, 0, 0.2);
        }

        /* 优化移动端触摸反馈 */
        @media (hover: none) {
            .feature-card {
                transition: transform 0.2s ease;
            }
            
            .feature-card:active {
                transform: scale(0.98);
                background: rgba(255, 255, 255, 0.15);
            }
        }

        .contact-section {
            padding: 4rem 2rem;
        }

        .contact-section h2 {
            text-align: center;
            margin-bottom: 2rem;
        }

        .contact-container {
            max-width: 1200px;
            margin: 0 auto;
            display: grid;
            grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
            gap: 2rem;
        }

        .contact-card {
            padding: 2rem;
            border-radius: 12px;
        }

        .contact-card h3 {
            margin-bottom: 1.5rem;
            color: #333;
        }

        .contact-items {
            display: grid;
            grid-template-columns: repeat(2, 1fr); /* 改为两列布局 */
            gap: 1rem;
        }

        .contact-item {
            display: flex;
            align-items: center;
            gap: 1rem;
            padding: 1rem 1.5rem;
            text-decoration: none;
            color: #333;
            border-radius: 8px;
            border: 1px solid #e0e0e0;
            transition: all 0.2s ease;
            background: white;
        }

        .contact-item:hover {
            transform: translateY(-2px);
            border-color: #4a90e2;
            box-shadow: 0 4px 12px rgba(74, 144, 226, 0.1);
        }

        .contact-item i {
            font-size: 1.5rem;
            width: 24px;
            text-align: center;
        }

        .contact-item span {
            font-size: 1.1rem;
            font-weight: 500;
        }

        /* 移动端适配 */
        @media (max-width: 768px) {
            .contact-section {
                padding: 3rem 1rem;
            }
            
            .contact-container {
                grid-template-columns: 1fr;
            }

            .contact-items {
                grid-template-columns: 1fr; /* 移动端改为单列 */
            }
        }

        /* 暗黑模式样式 */
        @media (prefers-color-scheme: dark) {
            .contact-section h2,
            .contact-card h3 {
                color: white;
            }
        }

        /* 明亮主题样式 */
        body.light-theme .contact-card h3 {
            color: #333;
        }

        /* 暗黑主题样式 */
        body:not(.light-theme) .contact-card h3 {
            color: white;
        }

        /* 为不同平台设置特定样式 */
        .contact-item.telegram:hover {
            border-color: #0088cc;
            color: #0088cc;
        }

        .contact-item.discord:hover {
            border-color: #5865F2;
            color: #5865F2;
        }

        .contact-item.email:hover {
            border-color: #ea4335;
            color: #ea4335;
        }

        .contact-item.github:hover {
            border-color: #333;
            color: #333;
        }

        /* 合作伙伴区块 */
        .partners-section {
            position: relative;
            padding: 60px 0;
            overflow: hidden;
        }

        .partners-container {
            position: relative;
            max-width: 1200px;
            margin: 0 auto;
            padding: 0 20px;
            z-index: 1;
        }

        .partners-container h2 {
            text-align: center;
            margin-bottom: 40px;
            color: var(--text-color-dark);
        }

        .partner-category {
            margin-bottom: 40px;
        }

        .partner-category h3 {
            margin-bottom: 20px;
            color: var(--text-color-dark);
        }

        .partner-cards {
            display: grid;
            grid-template-columns: repeat(2, 1fr); /* PC端一行两个 */
            gap: 20px;
            max-width: 700px;
            margin: 0 auto;
            padding: 0 20px;
        }

        .partner-card {
            position: relative;
            background: white;
            border-radius: 8px;
            padding: 25px 15px;
            text-align: center;
            transition: all 0.3s cubic-bezier(0.4, 0, 0.2, 1);
            overflow: hidden;
            aspect-ratio: 16/9;
            display: flex;
            align-items: center;
            justify-content: center;
            will-change: transform;
        }

        .partner-card img {
            width: auto;
            height: 60%;
            object-fit: contain;
            margin: 0;
            transition: transform 0.3s ease;
        }

        .partner-name {
            position: absolute;
            left: 0;
            right: 0;
            bottom: 0;
            padding: 10px;
            transform: translateY(100%);
            transition: transform 0.3s cubic-bezier(0.4, 0, 0.2, 1);
            background: linear-gradient(to top, rgba(255, 255, 255, 0.95), rgba(255, 255, 255, 0.7));
        }

        .partner-name h4 {
            margin: 0;
            color: #333 !important; /* 深灰色文字 */
            font-size: 0.9rem;
            opacity: 0;
            transform: translateY(10px);
            transition: all 0.3s cubic-bezier(0.4, 0, 0.2, 1);
        }

        /* 暗黑模式适配 */
        @media (prefers-color-scheme: dark) {
            .partner-name {
                background: linear-gradient(to top, rgba(255, 255, 255, 0.15), rgba(255, 255, 255, 0.05));
            }
            
            .partner-name h4 {
                color: #fff !important;
            }
        }

        /* 悬停效果 */
        .partner-card:hover {
            transform: translateY(-2px);
            box-shadow: 0 4px 12px rgba(0, 0, 0, 0.1);
        }

        .partner-card:hover .partner-name {
            transform: translateY(0);
        }

        .partner-card:hover .partner-name h4 {
            opacity: 1;
            transform: translateY(0);
        }

        .partner-card:hover img {
            transform: scale(0.95);
        }

        /* 移动端适配 */
        @media (max-width: 768px) {
            .partner-cards {
                grid-template-columns: 1fr; /* 移动端一行一个 */
                gap: 15px;
                padding: 0 15px;
                max-width: 240px; /* 控制移动端卡片宽度 */
            }

            .partner-card {
                padding: 20px 12px;
            }
        }

        .background-animation {
            position: fixed;
            top: 0;
            left: 0;
            width: 100%;
            height: 100%;
            pointer-events: none;
            z-index: -1;
            overflow: hidden;
            background: linear-gradient(to bottom right, rgba(255, 255, 255, 0.01), rgba(255, 255, 255, 0.02));
        }

        .bubble {
            position: absolute;
            border-radius: 50%;
            background: linear-gradient(
                45deg,
                rgba(var(--bubble-color-1), 0.1),
                rgba(var(--bubble-color-2), 0.1)
            );
            backdrop-filter: blur(1px);
            animation: float var(--duration) ease-in-out infinite;
        }

        /* 设置泡泡的颜色变量 */
        :root {
            --bubble-color-1: 100, 149, 237;  /* 矢车菊蓝 */
            --bubble-color-2: 135, 206, 235;  /* 天蓝色 */
        }

        /* 暗黑模式颜色 */
        @media (prefers-color-scheme: dark) {
            :root {
                --bubble-color-1: 70, 130, 180;  /* 钢蓝色 */
                --bubble-color-2: 65, 105, 225;  /* 宝蓝色 */
            }
        }

        /* 设置不同泡泡的大小和动画 */
        .bubble:nth-child(1) {
            --size: 120px;
            --duration: 20s;
            width: var(--size);
            height: var(--size);
            left: 10%;
            animation-delay: 0s;
        }

        .bubble:nth-child(2) {
            --size: 80px;
            --duration: 18s;
            width: var(--size);
            height: var(--size);
            left: 25%;
            animation-delay: -2s;
        }

        .bubble:nth-child(3) {
            --size: 100px;
            --duration: 22s;
            width: var(--size);
            height: var(--size);
            left: 40%;
            animation-delay: -4s;
        }

        .bubble:nth-child(4) {
            --size: 90px;
            --duration: 25s;
            width: var(--size);
            height: var(--size);
            left: 55%;
            animation-delay: -6s;
        }

        .bubble:nth-child(5) {
            --size: 130px;
            --duration: 21s;
            width: var(--size);
            height: var(--size);
            left: 70%;
            animation-delay: -8s;
        }

        .bubble:nth-child(6) {
            --size: 110px;
            --duration: 19s;
            width: var(--size);
            height: var(--size);
            left: 85%;
            animation-delay: -10s;
        }

        .bubble:nth-child(7) {
            --size: 95px;
            --duration: 23s;
            width: var(--size);
            height: var(--size);
            left: 15%;
            animation-delay: -12s;
        }

        .bubble:nth-child(8) {
            --size: 115px;
            --duration: 24s;
            width: var(--size);
            height: var(--size);
            left: 30%;
            animation-delay: -14s;
        }

        .bubble:nth-child(9) {
            --size: 85px;
            --duration: 20s;
            width: var(--size);
            height: var(--size);
            left: 45%;
            animation-delay: -16s;
        }

        .bubble:nth-child(10) {
            --size: 125px;
            --duration: 26s;
            width: var(--size);
            height: var(--size);
            left: 60%;
            animation-delay: -18s;
        }

        @keyframes float {
            0%, 100% {
                transform: translateY(100vh) scale(1);
            }
            50% {
                transform: translateY(-10vh) scale(1.1);
            }
        }

        /* 移动端适配 */
        @media (max-width: 768px) {
            .bubble {
                --size: calc(var(--size) * 0.7);  /* 移动端缩小泡泡尺寸 */
            }
        }

        .app-screenshots {
            position: relative;
            overflow: hidden;
        }

        .app-screenshots-container {
            position: relative;
            max-width: 1200px;
            margin: 0 auto;
        }

        /* 滑动显示动画 */
        .slide-fade-up {
            opacity: 0;
            transform: translateY(30px); /* 减小移动距离 */
            transition: all 0.5s cubic-bezier(0.4, 0, 0.2, 1); /* 使用更快的动画时间 */
        }

        .slide-fade-up.active {
            opacity: 1;
            transform: translateY(0);
        }

        /* 为不同元素设置不同的延迟 */
        .slide-fade-up:nth-child(2) {
            transition-delay: 0.2s;
        }
        .slide-fade-up:nth-child(3) {
            transition-delay: 0.4s;
        }
        .slide-fade-up:nth-child(4) {
            transition-delay: 0.6s;
        }

        /* 优化动画性能 */
        .partner-card,
        .bg-icon,
        .bubble,
        .slide-fade-up {
            will-change: transform, opacity;
            transform: translateZ(0);
            backface-visibility: hidden;
            perspective: 1000px;
        }

        /* 优化过渡效果 */
        .partner-card {
            transition: transform 0.3s cubic-bezier(0.4, 0, 0.2, 1);
        }

        /* 优化背景动画 */
        .bubble {
            animation-timing-function: cubic-bezier(0.4, 0, 0.2, 1);
        }

        /* 优化滚动性能 */
        .background-animation {
            transform: translateZ(0);
            backface-visibility: hidden;
        }

        /* 减少重绘区域 */
        .partner-name {
            transform: translateZ(0);
        }

        /* 在 CSS 样式中添加明亮主题下的 footer 样式 */
        .light-theme footer {
            color: #333 !important; /* 使用深色文字 */
        }

        /* 友情链接卡片特殊样式 */
        .partners-section:last-of-type .partner-cards {
            grid-template-columns: repeat(3, 1fr); /* 一行显示3个 */
            max-width: 800px; /* 控制最大宽度 */
            margin: 0 auto;
        }

        .partners-section:last-of-type .partner-card {
            aspect-ratio: unset; /* 移除正方形比例 */
            height: auto; /* 自适应高度 */
            padding: 15px 20px; /* 调整内边距 */
        }

        .partners-section:last-of-type .partner-name {
            position: static; /* 移除绝对定位 */
            transform: none;
            background: none;
            padding: 0;
        }

        .partners-section:last-of-type .partner-name h4 {
            margin: 0;
            color: var(--text-color-dark);
        }

        /* 适配移动端 */
        @media (max-width: 768px) {
            .partners-section:last-of-type .partner-cards {
                grid-template-columns: repeat(2, 1fr); /* 移动端一行显示2个 */
            }
        }

        @media (max-width: 480px) {
            .partners-section:last-of-type .partner-cards {
                grid-template-columns: 1fr; /* 更小屏幕一行显示1个 */
            }
        }

        .friend-links {
            display: flex;
            flex-wrap: wrap;
            justify-content: center;
            gap: 20px;
            padding: 20px;
            max-width: 1200px;
            margin: 0 auto;
        }

        .friend-link-card {
            color: var(--text-color-dark);
            text-decoration: none;
            padding: 15px 30px;
            background: rgba(255, 255, 255, 0.1);
            border-radius: 10px;
            backdrop-filter: blur(10px);
            transition: all 0.3s ease;
            box-shadow: 0 4px 6px rgba(0, 0, 0, 0.1);
        }

        .friend-link-card:hover {
            transform: translateY(-3px);
            box-shadow: 0 6px 12px rgba(0, 0, 0, 0.15);
            background: rgba(255, 255, 255, 0.15);
        }

        .light-theme .friend-link-card {
            color: #333;
            background: rgba(255, 255, 255, 0.8);
        }

        .light-theme .friend-link-card:hover {
            background: rgba(255, 255, 255, 0.95);
        }

        /* 响应式适配 */
        @media (max-width: 768px) {
            .friend-links {
                padding: 10px;
                gap: 15px;
            }
            
            .friend-link-card {
                padding: 12px 25px;
            }
        }

        /* 首屏关键样式 */
        .main-content {
            content-visibility: auto;
            contain-intrinsic-size: 0 500px;
        }
        
        .lazy-section {
            content-visibility: auto;
            contain-intrinsic-size: 0 300px;
        }