/* 全局重置和基础样式 */
* {
    margin: 0;
    padding: 0;
    box-sizing: border-box;
}

/* 平滑滚动设置 */
html {
    scroll-behavior: smooth;
}

/* 为锚点目标添加平滑滚动偏移 */
:target {
    scroll-margin-top: 100px;
}

/* 动画关键帧定义 */
@keyframes fadeInUp {
    from {
        opacity: 0;
        transform: translateY(30px);
    }
    to {
        opacity: 1;
        transform: translateY(0);
    }
}

@keyframes fadeInLeft {
    from {
        opacity: 0;
        transform: translateX(-30px);
    }
    to {
        opacity: 1;
        transform: translateX(0);
    }
}

@keyframes fadeInRight {
    from {
        opacity: 0;
        transform: translateX(30px);
    }
    to {
        opacity: 1;
        transform: translateX(0);
    }
}

@keyframes fadeInScale {
    from {
        opacity: 0;
        transform: scale(0.8);
    }
    to {
        opacity: 1;
        transform: scale(1);
    }
}

@keyframes slideInDown {
    from {
        opacity: 0;
        transform: translateY(-50px);
    }
    to {
        opacity: 1;
        transform: translateY(0);
    }
}

@keyframes slideInLeft {
    from {
        opacity: 0;
        transform: translateX(-50px);
    }
    to {
        opacity: 1;
        transform: translateX(0);
    }
}

@keyframes slideInRight {
    from {
        opacity: 0;
        transform: translateX(50px);
    }
    to {
        opacity: 1;
        transform: translateX(0);
    }
}

/* 动画类 */
.animate-fade-in-up {
    animation: fadeInUp 0.5s ease-out forwards;
}

.animate-fade-in-left {
    animation: fadeInLeft 0.5s ease-out forwards;
}

.animate-fade-in-right {
    animation: fadeInRight 0.5s ease-out forwards;
}

.animate-fade-in-scale {
    animation: fadeInScale 0.5s ease-out forwards;
}

.animate-slide-in-down {
    animation: slideInDown 0.4s ease-out forwards;
}

/* 初始隐藏状态 */
.animate-on-scroll {
    opacity: 0;
    transform: translateY(30px);
    transition: all 0.5s ease-out;
}

.animate-on-scroll.animated {
    opacity: 1;
    transform: translateY(0);
}

/* 字体设置 - Rubik + 思源黑体Light */
body {
    font-family: 'Rubik', 'Source Han Sans CN', sans-serif;
    font-weight: 300;
    line-height: 1.6;
    -webkit-font-smoothing: antialiased;
    -moz-osx-font-smoothing: grayscale;
}

/* 全局浅色渐变背景 */
body {
    background: linear-gradient(135deg, #f0f4f8 0%, #e3e8f0 25%, #d8dee9 50%, #e3e8f0 75%, #f0f4f8 100%);
    background-attachment: fixed;
    min-height: 100vh;
    margin: 0;
    padding: 0;
}

/* 高级玻璃态导航栏 */
.glass-nav {
    position: fixed;
    top: 0;
    left: 0;
    width: 100%;
    background: rgba(255, 255, 255, 0.08);
    backdrop-filter: blur(25px) saturate(180%);
    -webkit-backdrop-filter: blur(25px) saturate(180%);
    border-bottom: 1px solid rgba(255, 255, 255, 0.15);
    z-index: 1000;
    padding: 1.2rem 0;
    transition: all 0.4s cubic-bezier(0.4, 0, 0.2, 1);
    box-shadow: 0 4px 30px rgba(0, 0, 0, 0.05);
    opacity: 0;
    transform: translateY(-100%);
    animation: slideInDown 0.4s ease-out 0.1s forwards;
}

/* Windows系统提示文字 */
.nav-windows-info {
    display: none;
    font-size: 0.9rem;
    color: #666;
    font-weight: 500;
    padding: 0.3rem 0.8rem;
    background: rgba(0, 120, 212, 0.1);
    border-radius: 12px;
    border: 1px solid rgba(0, 120, 212, 0.2);
    backdrop-filter: blur(10px);
    -webkit-backdrop-filter: blur(10px);
    margin-left: auto;
    margin-right: 1rem;
    white-space: nowrap;
}

.glass-nav.scrolled {
    background: rgba(255, 255, 255, 0.12);
    backdrop-filter: blur(30px) saturate(200%);
    padding: 0.8rem 0;
    box-shadow: 0 8px 32px rgba(0, 0, 0, 0.08);
}

.nav-container {
    max-width: 1400px;
    margin: 0 auto;
    display: flex;
    justify-content: space-between;
    align-items: center;
    padding: 0 3rem;
}

/* 桌面版导航布局 */
.nav-logo {
    order: 1;
}

.nav-links {
    order: 2;
}

.nav-windows-info {
    order: 3;
    display: none; /* 桌面版默认隐藏 */
}

.menu-toggle {
    order: 4;
}

.nav-logo {
    font-size: 2.2rem;
    font-weight: 800;
    color: #1a1a1a;
    text-decoration: none;
    background: linear-gradient(135deg, #0078d4, #00b7c3);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
    letter-spacing: -0.02em;
}

.nav-links {
    display: flex;
    gap: 2.5rem;
}

.nav-link {
    color: #1a1a1a;
    text-decoration: none;
    font-weight: 600;
    font-size: 1.1rem;
    transition: all 0.3s cubic-bezier(0.4, 0, 0.2, 1);
    position: relative;
    padding: 0.5rem 1rem;
    border-radius: 12px;
}

.nav-link:hover {
    color: #0078d4;
    background: rgba(0, 120, 212, 0.08);
    transform: translateY(-2px);
}

.nav-link::after {
    content: '';
    position: absolute;
    bottom: -2px;
    left: 50%;
    width: 0;
    height: 2px;
    background: linear-gradient(90deg, #0078d4, #00b7c3);
    transition: all 0.4s cubic-bezier(0.4, 0, 0.2, 1);
    transform: translateX(-50%);
}

.nav-link:hover::after {
    width: 80%;
}

/* 导航链接活动状态 */
.nav-link.active {
    color: #0078d4;
    background: rgba(0, 120, 212, 0.12);
    transform: translateY(-2px);
}

.nav-link.active::after {
    width: 100%;
    background: linear-gradient(90deg, #0078d4, #00b7c3);
}

/* 主内容区域 */
.main-content {
    padding-top: 0;
    max-width: none;
    margin: 0;
    padding: 0 0 50px;
    min-height: calc(100vh - 200px);
}

/* 高级主横幅区域 */
.hero-section {
    text-align: center;
    margin: 0;
    padding: 0;
    background: linear-gradient(135deg, 
        rgba(255, 255, 255, 0.95) 0%, 
        rgba(230, 240, 255, 0.9) 25%, 
        rgba(209, 227, 255, 0.85) 50%, 
        rgba(184, 212, 255, 0.8) 75%, 
        rgba(160, 198, 255, 0.75) 100%
    );
    backdrop-filter: blur(40px) saturate(200%);
    border-radius: 0;
    box-shadow: inset 0 0 200px rgba(255, 255, 255, 0.3);
    border: none;
    max-width: none;
    width: 100%;
    opacity: 0;
    animation: fadeInUp 0.8s ease-out 0s forwards;
    height: 100vh;
    display: flex;
    flex-direction: column;
    justify-content: center;
    align-items: center;
    position: relative;
    overflow: hidden;
    isolation: isolate;
}

/* 简洁现代风格全屏背景 */
.hero-section::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background: #f0f4f8;
    z-index: -1;
}

/* 几何形状装饰层 */
.hero-section::after {
    content: '';
    position: absolute;
    top: 0;
    right: 0;
    width: 100%;
    height: 100%;
    background: linear-gradient(135deg, transparent 0%, #0078d4 100%);
    clip-path: polygon(100% 0, 0 0, 100% 100%);
    opacity: 0.08;
    z-index: -1;
}

.hero-title {
    font-size: 4.5rem;
    font-weight: 800;
    background: linear-gradient(135deg, #1a1a1a 0%, #0078d4 25%, #00b7c3 50%, #0078d4 75%, #1a1a1a 100%);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
    margin-bottom: 1.5rem;
    text-shadow: 0 4px 20px rgba(0, 120, 212, 0.15);
    line-height: 1.1;
    letter-spacing: -0.02em;
    opacity: 0;
    animation: fadeInScale 0.6s cubic-bezier(0.4, 0, 0.2, 1) 0.3s forwards;
}


.hero-subtitle {
    font-size: 1.4rem;
    color: #666;
    margin-bottom: 2rem;
    font-weight: 400;
    line-height: 1.5;
    max-width: 600px;
    margin-left: auto;
    margin-right: auto;
    opacity: 0;
    animation: fadeInUp 0.6s cubic-bezier(0.4, 0, 0.2, 1) 0.5s forwards;
}

/* 按钮组 */
.button-group {
    display: flex;
    gap: 1rem;
    justify-content: center;
    flex-wrap: wrap;
}

/* Windows 10风格按钮基础样式 */
.win10-btn {
    position: relative;
    border: none;
    border-radius: 4px;
    padding: 12px 24px;
    font-size: 1rem;
    font-weight: 500;
    cursor: pointer;
    transition: all 0.3s ease;
    overflow: hidden;
    text-decoration: none;
    display: inline-flex;
    align-items: center;
    justify-content: center;
    min-height: 44px;
}

/* 主要按钮样式 */
.win10-btn.primary-btn {
    background: #0078d4;
    color: white;
}

/* 次要按钮样式 */
.win10-btn.secondary-btn {
    background: transparent;
    color: #0078d4;
    border: 2px solid #0078d4;
}

/* Windows 10鼠标悬停效果容器 */
.win10-btn::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background: radial-gradient(
        circle at var(--mouse-x) var(--mouse-y),
        rgba(255, 255, 255, 0.3) 0%,
        rgba(255, 255, 255, 0.1) 40%,
        transparent 70%
    );
    opacity: 0;
    transition: opacity 0.3s ease;
    pointer-events: none;
}

/* 鼠标悬停时显示高亮效果 */
.win10-btn:hover::before {
    opacity: 1;
}

/* 主要按钮悬停效果 */
.win10-btn.primary-btn:hover {
    background: #106ebe;
    transform: translateY(-1px);
    box-shadow: 0 4px 12px rgba(0, 120, 212, 0.3);
}

/* 次要按钮悬停效果 */
.win10-btn.secondary-btn:hover {
    background: rgba(0, 120, 212, 0.1);
    transform: translateY(-1px);
    box-shadow: 0 4px 12px rgba(0, 120, 212, 0.2);
}

/* 功能特性区域 */
.features-section {
    margin-top: 0;
    padding-top: 80px;
}

.features-section h2 {
    font-size: 3rem;
    font-weight: 700;
    background: linear-gradient(135deg, #1a1a1a 0%, #0078d4 50%, #1a1a1a 100%);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
    margin-bottom: 3rem;
    text-align: center;
    opacity: 0;
    animation: fadeInUp 0.8s cubic-bezier(0.4, 0, 0.2, 1) 1.0s forwards;
}



.features-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(320px, 1fr));
    gap: 2.5rem;
    max-width: 1200px;
    margin: 0 auto;
}

/* 功能卡片样式 */
.feature-card {
    background: linear-gradient(135deg, 
        rgba(255, 255, 255, 0.9) 0%, 
        rgba(240, 248, 255, 0.8) 100%
    );
    backdrop-filter: blur(20px) saturate(180%);
    border-radius: 20px;
    padding: 2.5rem;
    text-align: center;
    border: 1px solid rgba(255, 255, 255, 0.4);
    box-shadow: 
        0 8px 32px rgba(0, 0, 0, 0.08),
        inset 0 1px 0 rgba(255, 255, 255, 0.6);
    transition: all 0.4s cubic-bezier(0.4, 0, 0.2, 1);
    cursor: pointer;
    position: relative;
    overflow: hidden;
    opacity: 0;
    transform: translateY(30px);
    animation: fadeInUp 0.6s cubic-bezier(0.4, 0, 0.2, 1) forwards;
    display: flex;
    flex-direction: column;
    justify-content: space-between;
    min-height: 180px;
}

.feature-card::before {
    content: '';
    position: absolute;
    top: 0;
    left: -100%;
    width: 100%;
    height: 100%;
    background: linear-gradient(90deg, transparent, rgba(255, 255, 255, 0.4), transparent);
    transition: left 0.6s ease;
}

.feature-card:nth-child(1) {
    animation-delay: 1.2s;
}

.feature-card:nth-child(2) {
    animation-delay: 1.4s;
}

.feature-card:nth-child(3) {
    animation-delay: 1.6s;
}

.feature-card:nth-child(4) {
    animation-delay: 1.8s;
}

.feature-card:nth-child(5) {
    animation-delay: 2.0s;
}

.feature-card:nth-child(6) {
    animation-delay: 2.2s;
}

.feature-card:hover::before {
    left: 100%;
}

.feature-card:hover {
    transform: translateY(-8px) scale(1.02);
    box-shadow: 
        0 20px 40px rgba(0, 0, 0, 0.12),
        inset 0 1px 0 rgba(255, 255, 255, 0.8);
    border-color: rgba(255, 255, 255, 0.6);
}

.feature-icon {
    font-size: 3.5rem;
    background: linear-gradient(135deg, #0078d4 0%, #00b7c3 100%);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
    margin-bottom: 1.5rem;
    filter: drop-shadow(0 4px 8px rgba(0, 120, 212, 0.2));
}

.feature-card h3 {
    font-size: 1.6rem;
    font-weight: 700;
    background: linear-gradient(135deg, #1a1a1a 0%, #0078d4 100%);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
    margin-bottom: 1.2rem;
    line-height: 1.3;
    text-align: left;
    align-self: flex-start;
}

.feature-card p {
    color: #555;
    line-height: 1.7;
    font-size: 1.05rem;
    font-weight: 400;
    background: rgba(255, 255, 255, 0.5);
    backdrop-filter: blur(5px);
    padding: 1rem;
    border-radius: 12px;
    border: 1px solid rgba(255, 255, 255, 0.3);
    text-align: left;
    align-self: flex-end;
    margin-top: auto;
    margin-left: auto;
    max-width: 80%;
}

/* 鼠标跟随效果 */
.mouse-cursor {
    position: fixed;
    width: 20px;
    height: 20px;
    background: radial-gradient(circle, rgba(0, 120, 212, 0.3) 0%, transparent 70%);
    border-radius: 50%;
    pointer-events: none;
    z-index: 9999;
    transition: transform 0.1s ease;
    mix-blend-mode: difference;
}

/* 页面加载状态 */
body:not(.page-loaded) {
    /* 移除overflow: hidden，允许页面滚动 */
}

body.page-loaded {
    /* 确保页面可以正常滚动 */
}

/* 响应式导航菜单 */
.menu-toggle {
    display: none;
    background: none;
    border: none;
    color: #1a1a1a;
    cursor: pointer;
    padding: 0.5rem;
    transition: all 0.3s ease;
    flex-direction: column;
    justify-content: space-between;
    width: 30px;
    height: 24px;
    position: relative;
}

.menu-toggle span {
    display: block;
    height: 3px;
    width: 100%;
    background-color: #1a1a1a;
    border-radius: 2px;
    transition: all 0.3s ease;
    transform-origin: center;
}

.menu-toggle:hover span {
    background-color: #0078d4;
}

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

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

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

/* 响应式设计 - 手机版排版 */
@media (max-width: 768px) {
    /* 基础布局调整 */
    body {
        font-size: 14px;
        line-height: 1.5;
    }
    
    .main-content {
        padding: 60px 15px 30px;
    }
    
    /* 导航栏手机版 */
    .glass-nav {
        height: 60px;
        backdrop-filter: blur(20px) saturate(160%);
        padding: 0.5rem 0;
    }
    
    .nav-container {
        padding: 0 1rem;
        display: flex;
        align-items: center;
        justify-content: space-between;
    }
    
    .nav-logo {
        font-size: 1.8rem;
        order: 1;
    }
    
    .nav-links {
        display: none; /* 手机版隐藏导航链接 */
    }
    
    .nav-windows-info {
        display: block !important; /* 手机版显示Windows提示 */
        font-size: 0.8rem;
        padding: 0.4rem 0.8rem;
        margin-left: auto;
        margin-right: 1rem;
        background: rgba(255, 255, 255, 0.9);
        color: #0078d4;
        border: 1px solid rgba(0, 120, 212, 0.3);
        border-radius: 15px;
        font-weight: 600;
        backdrop-filter: blur(15px);
        box-shadow: 0 2px 10px rgba(0, 120, 212, 0.2);
        order: 2;
    }
    
    .menu-toggle {
        display: block;
        background: none;
        border: none;
        font-size: 1.8rem;
        color: #1a1a1a;
        cursor: pointer;
        padding: 0.5rem;
        transition: all 0.3s ease;
        order: 3; /* 确保菜单按钮在最右侧 */
    }
    
    .menu-toggle:hover {
        color: #0078d4;
        transform: scale(1.1);
    }
    
    .menu-toggle.menu-active {
        transform: rotate(90deg);
    }
    
    /* 主横幅手机版 */
    .hero-section {
        height: 70vh;
        min-height: 500px;
        padding: 2rem 1rem;
    }
    
    .hero-title {
        font-size: 2.2rem;
        margin-bottom: 1rem;
        line-height: 1.2;
        text-align: center;
    }
    
    .hero-subtitle {
        font-size: 1.1rem;
        margin-bottom: 2rem;
        line-height: 1.4;
        text-align: center;
        padding: 0 1rem;
    }
    
    .button-group {
        flex-direction: column;
        align-items: center;
        gap: 1rem;
        width: 100%;
        max-width: 300px;
    }
    
    .win10-btn {
        width: 100%;
        max-width: 280px;
        padding: 1rem 1.5rem;
        font-size: 1.1rem;
        min-height: 50px;
    }
    
    /* 功能特性手机版 */
    .features-section {
        padding: 3rem 1rem;
    }
    
    .features-section h2 {
        font-size: 2rem;
        margin-bottom: 2rem;
    }
    
    .features-grid {
        grid-template-columns: 1fr;
        gap: 1.5rem;
        padding: 0 0.5rem;
    }
    
    .feature-card {
        padding: 1.5rem;
        min-height: 160px;
        margin: 0 auto;
        max-width: 100%;
    }
    
    .feature-card h3 {
        font-size: 1.3rem;
        margin-bottom: 0.8rem;
    }
    
    .feature-card p {
        font-size: 0.95rem;
        padding: 0.8rem;
        max-width: 90%;
    }
    
    /* 下载区域手机版 */
    .download-section {
        padding: 3rem 1rem;
        margin: 1rem auto;
        border-radius: 15px;
    }
    
    .download-section h2 {
        font-size: 2rem;
        margin-bottom: 2rem;
    }
    
    .download-grid {
        grid-template-columns: 1fr;
        gap: 1.5rem;
        padding: 0 0.5rem;
    }
    
    .download-card {
        padding: 1.5rem;
        min-height: 320px;
        margin: 0 auto;
        max-width: 100%;
    }
    
    .card-header {
        flex-direction: column;
        gap: 0.8rem;
        text-align: center;
    }
    
    .version-name {
        font-size: 1.5rem;
    }
    
    .version-number {
        font-size: 0.9rem;
        display: block;
        margin-top: 0.3rem;
    }
    
    .card-description {
        font-size: 0.95rem;
        line-height: 1.4;
    }
    
    .card-features {
        gap: 0.4rem;
        margin: 1rem 0;
    }
    
    .feature-tag {
        font-size: 0.75rem;
        padding: 0.2rem 0.6rem;
    }
    
    .download-btn {
        padding: 1.2rem 2rem;
        font-size: 1.4rem;
        width: 100%;
        max-width: 250px;
    }
    
    /* 关于我们手机版 */
    .about-section {
        padding: 3rem 1rem;
    }
    
    .about-section h2 {
        font-size: 2rem;
        margin-bottom: 2rem;
        text-align: center;
    }
    
    .about-grid {
        grid-template-columns: 1fr;
        gap: 2rem;
        text-align: center;
    }
    
    .about-image {
        margin: 0 auto;
        max-width: 200px;
    }
    
    .about-img {
        max-width: 100%;
        height: auto;
    }
    
    .about-text {
        text-align: center;
    }
    
    .about-text p {
        font-size: 1rem;
        line-height: 1.5;
        margin-bottom: 1.5rem;
    }
    
    .stats-grid {
        grid-template-columns: repeat(2, 1fr);
        gap: 1rem;
        margin-top: 2rem;
    }
    
    .stat-item {
        padding: 1rem;
    }
    
    .stat-number {
        font-size: 1.8rem;
    }
    
    .stat-label {
        font-size: 0.9rem;
    }
    
    /* 联系我们手机版 */
    .contact-section {
        padding: 3rem 1rem;
    }
    
    .contact-section h2 {
        font-size: 2rem;
        margin-bottom: 2rem;
        text-align: center;
    }
    
    .contact-content {
        grid-template-columns: 1fr;
        gap: 2rem;
    }
    
    .contact-info {
        gap: 1.5rem;
    }
    
    .contact-item {
        padding: 1.5rem;
        text-align: center;
    }
    
    .contact-icon {
        font-size: 2.5rem;
        margin-bottom: 1rem;
    }
    
    .contact-details h3 {
        font-size: 1.2rem;
        margin-bottom: 0.5rem;
    }
    
    .contact-details p {
        font-size: 1rem;
    }
    
    /* 页脚手机版 */
    .footer {
        padding: 2rem 1rem;
    }
    
    .footer-content {
        flex-direction: column;
        gap: 1.5rem;
        text-align: center;
    }
    
    .footer-logo {
        margin-bottom: 1rem;
    }
    
    .footer-links {
        flex-direction: column;
        gap: 1rem;
    }
    
    .footer-link {
        font-size: 1rem;
        padding: 0.5rem 0;
    }
    
    .copyright {
        font-size: 0.9rem;
    }
}

/* 移动端触摸优化 */
@media (max-width: 768px) {
    /* 隐藏指定元素 */
    .secondary-btn, /* 了解更多按钮 */
    .features-section, /* 功能特性区域 */
    .download-section, /* 下载区域 */
    .about-section, /* 关于区域 */
    .contact-section { /* 联系我们区域 */
        display: none !important;
    }
    
    /* 页脚固定在屏幕底部 */
    .footer {
        position: fixed;
        bottom: 0px;
        left: 0;
        right: 0;
        background: rgba(255, 255, 255, 0.95);
        backdrop-filter: blur(20px);
        border-top: 1px solid rgba(0, 0, 0, 0.1);
        z-index: 100;
        width: 100%;
    }
    
    /* 为主内容区域添加底部内边距，避免内容被页脚遮挡 */
    .main-content {
        padding-bottom: 80px;
    }
    
    /* 防止iOS Safari的弹性滚动 */
    body {
        -webkit-overflow-scrolling: touch;
        overflow-scrolling: touch;
    }
    
    /* 优化滚动性能 */
    .main-content {
        -webkit-overflow-scrolling: touch;
        overflow-scrolling: touch;
    }
    
    /* 防止iOS Safari的点击延迟 */
    .win10-btn, .nav-link, .download-btn {
        -webkit-touch-callout: none;
        -webkit-tap-highlight-color: transparent;
    }
    
    /* 提高触摸目标大小 */
    .win10-btn, .nav-link, .download-btn {
        min-height: 44px; /* iOS推荐的最小触摸目标 */
        min-width: 44px;
    }
    
    /* 移除鼠标悬停效果，使用触摸反馈 */
    .win10-btn:hover::before {
        opacity: 0;
    }
    
    .win10-btn:active {
        transform: scale(0.98);
        transition: transform 0.1s ease;
    }
    
    .feature-card:active,
    .download-card:active,
    .contact-item:active {
        transform: scale(0.98);
        transition: transform 0.1s ease;
    }
    
    /* 提高滚动性能 */
    .glass-nav {
        -webkit-overflow-scrolling: touch;
    }
    
    /* 防止文本选择 */
    .nav-link, .win10-btn {
        -webkit-user-select: none;
        -moz-user-select: none;
        -ms-user-select: none;
        user-select: none;
    }
    
    /* 提高按钮点击反馈 */
    .win10-btn {
        -webkit-tap-highlight-color: rgba(0, 120, 212, 0.1);
        tap-highlight-color: rgba(0, 120, 212, 0.1);
    }
}
    /* 提高触摸目标大小 */
    .win10-btn, .nav-link, .download-btn {
        min-height: 44px; /* iOS推荐的最小触摸目标 */
        min-width: 44px;
    }
    
    /* 移除鼠标悬停效果，使用触摸反馈 */
    .win10-btn:hover::before {
        opacity: 0;
    }
    
    .win10-btn:active {
        transform: scale(0.98);
        transition: transform 0.1s ease;
    }
    
    .feature-card:active,
    .download-card:active,
    .contact-item:active {
        transform: scale(0.98);
        transition: transform 0.1s ease;
    }
    
    /* 提高滚动性能 */
    .glass-nav {
        -webkit-overflow-scrolling: touch;
    }
    
    /* 防止文本选择 */
    .nav-link, .win10-btn {
        -webkit-user-select: none;
        -moz-user-select: none;
        -ms-user-select: none;
        user-select: none;
    }
    
    /* 提高按钮点击反馈 */
    .win10-btn {
        -webkit-tap-highlight-color: rgba(0, 120, 212, 0.1);
        tap-highlight-color: rgba(0, 120, 212, 0.1);
    }
}

/* 超小屏幕优化 */
@media (max-width: 480px) {
    .hero-title {
        font-size: 1.8rem;
    }
    
    .hero-subtitle {
        font-size: 1rem;
        padding: 0 0.5rem;
    }
    
    .features-section h2,
    .download-section h2,
    .about-section h2,
    .contact-section h2 {
        font-size: 1.8rem;
    }
    
    .feature-card {
        padding: 1.2rem;
        min-height: 140px;
    }
    
    .feature-card h3 {
        font-size: 1.2rem;
    }
    
    .feature-card p {
        font-size: 0.9rem;
        padding: 0.6rem;
    }
    
    .download-card {
        padding: 1.2rem;
        min-height: 280px;
    }
    
    .version-name {
        font-size: 1.3rem;
    }
    
    .download-btn {
        padding: 1rem 1.5rem;
        font-size: 1.2rem;
    }
    
    .stats-grid {
        grid-template-columns: 1fr;
        gap: 1rem;
    }
    
    .stat-item {
        padding: 0.8rem;
    }
    
    .stat-number {
        font-size: 1.6rem;
    }
    
    .contact-item {
        padding: 1.2rem;
    }
    
    .contact-icon {
        font-size: 2rem;
    }
}

/* 横屏手机优化 */
@media (max-width: 768px) and (orientation: landscape) {
    .hero-section {
        height: auto;
        min-height: 400px;
        padding: 1.5rem 1rem;
    }
    
    .hero-title {
        font-size: 2rem;
        margin-bottom: 0.8rem;
    }
    
    .hero-subtitle {
        font-size: 1rem;
        margin-bottom: 1.5rem;
    }
    
    .button-group {
        flex-direction: row;
        gap: 0.8rem;
        max-width: 100%;
    }
    
    .win10-btn {
        max-width: 200px;
        padding: 0.8rem 1rem;
        font-size: 1rem;
    }
    
    .features-grid {
        grid-template-columns: repeat(2, 1fr);
        gap: 1rem;
    }
    
    .download-grid {
        grid-template-columns: repeat(2, 1fr);
        gap: 1rem;
    }
    
    .download-card:nth-child(3) {
        grid-column: 1 / -1;
        max-width: 300px;
        margin: 0 auto;
    }
}

/* 下载区域样式 */
.download-section {
    padding: 5rem 2rem;
    text-align: center;
    background: rgba(255, 255, 255, 0.6);
    backdrop-filter: blur(10px);
    margin: 2rem auto;
    max-width: 1200px;
    border-radius: 20px;
    box-shadow: 0 4px 30px rgba(0, 0, 0, 0.1);
    opacity: 0;
    animation: fadeInUp 0.8s ease-out 1.0s forwards;
}

.download-section h2 {
    font-size: 3rem;
    font-weight: 700;
    background: linear-gradient(135deg, #1a1a1a 0%, #0078d4 50%, #1a1a1a 100%);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
    margin-bottom: 3rem;
    text-align: center;
    opacity: 0;
    animation: fadeInUp 0.8s cubic-bezier(0.4, 0, 0.2, 1) 1.0s forwards;
}



.download-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
    gap: 2rem;
    max-width: 1000px;
    margin: 0 auto;
}

.download-card {
    background: rgba(255, 255, 255, 0.9);
    padding: 2rem;
    border-radius: 15px;
    text-align: center;
    transition: all 0.3s ease;
    border: 1px solid rgba(255, 255, 255, 0.3);
    opacity: 0;
    transform: translateY(30px);
    animation: fadeInUp 0.8s ease-out forwards;
    position: relative;
    overflow: hidden;
    display: flex;
    flex-direction: column;
    align-items: center;
    justify-content: space-between;
    min-height: 380px;
}

/* 标准版卡片特殊样式 - 渐变黑背景 */
.download-card:nth-child(1) {
    animation-delay: 1.2s;
    background: linear-gradient(135deg, #1a1a1a 0%, #2d2d2d 25%, #1a1a1a 50%, #2d2d2d 75%, #1a1a1a 100%);
    color: white;
}

/* 轻版卡片特殊样式 - 青色背景 */
.download-card:nth-child(2) {
    animation-delay: 1.3s;
    background: linear-gradient(135deg, #00b7c3 0%, #00d4d4 25%, #00b7c3 50%, #00d4d4 75%, #00b7c3 100%);
    color: white;
}

/* 99dd卡片特殊样式 - 不深不浅的灰色背景 */
.download-card:nth-child(3) {
    animation-delay: 1.4s;
    background: linear-gradient(135deg, #808080 0%, #a0a0a0 25%, #808080 50%, #a0a0a0 75%, #808080 100%);
    color: white;
}

.download-card:hover {
    transform: translateY(-5px);
    box-shadow: 0 10px 30px rgba(0, 0, 0, 0.15);
}

.download-icon {
    font-size: 4rem;
    margin-bottom: 1rem;
}

.download-card h3 {
    font-size: 1.5rem;
    margin-bottom: 1rem;
    color: #1a1a1a;
    font-weight: 600;
}

/* 标准版卡片标题颜色 */
.download-card:nth-child(1) h3 {
    color: white;
}

/* 轻版卡片标题颜色 */
.download-card:nth-child(2) h3 {
    color: white;
}

/* 99dd卡片标题颜色 */
.download-card:nth-child(3) h3 {
    color: white;
}

.download-card p {
    color: #666;
    margin-bottom: 1.5rem;
    line-height: 1.6;
}

/* 标准版卡片描述文字颜色 */
.download-card:nth-child(1) p {
    color: rgba(255, 255, 255, 0.9);
}

/* 轻版卡片描述文字颜色 */
.download-card:nth-child(2) p {
    color: rgba(255, 255, 255, 0.9);
}

/* 99dd卡片描述文字颜色 */
.download-card:nth-child(3) p {
    color: rgba(255, 255, 255, 0.9);
}

/* 卡片头部样式 */
.card-header {
    display: flex;
    justify-content: space-between;
    align-items: center;
    width: 100%;
    margin-bottom: 1rem;
}

.version-name {
    font-size: 1.8rem;
    font-weight: 700;
    color: white;
    text-shadow: 0 2px 8px rgba(0, 0, 0, 0.3);
}

.version-number {
    font-size: 1rem;
    color: rgba(255, 255, 255, 0.7);
    font-weight: 400;
    margin-left: 0.5rem;
}

.card-badge {
    background: rgba(255, 255, 255, 0.2);
    color: white;
    padding: 0.3rem 0.8rem;
    border-radius: 20px;
    font-size: 0.8rem;
    font-weight: 600;
    backdrop-filter: blur(10px);
}

/* 卡片描述样式 */
.card-description {
    font-size: 1rem;
    line-height: 1.5;
    margin: 0.5rem 0 1.5rem 0;
    opacity: 0.9;
}

/* 功能标签样式 */
.card-features {
    display: flex;
    flex-wrap: wrap;
    gap: 0.5rem;
    justify-content: center;
    margin: 1rem 0;
}

.feature-tag {
    background: rgba(255, 255, 255, 0.15);
    color: white;
    padding: 0.3rem 0.8rem;
    border-radius: 15px;
    font-size: 0.8rem;
    font-weight: 500;
    backdrop-filter: blur(5px);
    border: 1px solid rgba(255, 255, 255, 0.1);
}

.download-btn {
    background: linear-gradient(135deg, #0078d4 0%, #00b7c3 50%, #0078d4 100%);
    background-size: 200% 100%;
    color: white;
    border: none;
    padding: 1.5rem 3rem;
    border-radius: 15px;
    font-size: 1.8rem;
    font-weight: 700;
    cursor: pointer;
    transition: all 0.4s cubic-bezier(0.4, 0, 0.2, 1);
    margin-top: auto;
    text-decoration: none;
    display: inline-flex;
    align-items: center;
    justify-content: center;
    position: relative;
    overflow: hidden;
    box-shadow: 
        0 8px 25px rgba(0, 120, 212, 0.25),
        inset 0 1px 0 rgba(255, 255, 255, 0.3);
}

.download-btn::before {
    content: '';
    position: absolute;
    top: 0;
    left: -100%;
    width: 100%;
    height: 100%;
    background: linear-gradient(90deg, transparent, rgba(255, 255, 255, 0.4), transparent);
    transition: left 0.6s ease;
}

.download-btn:hover {
    transform: translateY(-5px) scale(1.05);
    box-shadow: 
        0 15px 35px rgba(0, 120, 212, 0.4),
        inset 0 1px 0 rgba(255, 255, 255, 0.5);
    background-position: 100% 0;
}

.download-btn:hover::before {
    left: 100%;
}

.white-btn {
    background: rgba(255, 255, 255, 0.95) !important;
    color: #1a1a1a !important;
    border: 1px solid rgba(255, 255, 255, 0.3) !important;
}

.white-btn:hover {
    background: rgba(255, 255, 255, 1) !important;
    transform: scale(1.05);
    box-shadow: 0 4px 15px rgba(255, 255, 255, 0.3);
}

/* 关于我们区域样式 */
.about-section {
    padding: 5rem 2rem;
    background: rgba(248, 249, 250, 0.8);
    backdrop-filter: blur(10px);
    margin: 2rem auto;
    max-width: 1200px;
    border-radius: 20px;
    opacity: 0;
    animation: fadeInUp 0.8s ease-out 1.2s forwards;
}

.about-content {
    max-width: 1200px;
    margin: 0 auto;
    text-align: center;
}

.about-grid {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 5rem;
    align-items: center;
    margin-top: 2rem;
}

.about-section h2 {
    font-size: 3rem;
    font-weight: 700;
    background: linear-gradient(135deg, #1a1a1a 0%, #0078d4 50%, #1a1a1a 100%);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
    margin-bottom: 3rem;
    text-align: center;
    opacity: 0;
    animation: fadeInUp 0.8s cubic-bezier(0.4, 0, 0.2, 1) 1.0s forwards;
}



.about-image {
    max-width: 500px;
    margin: 0 auto;
    opacity: 0;
    transform: translateX(-30px);
    animation: fadeInRight 0.8s cubic-bezier(0.4, 0, 0.2, 1) 1.6s forwards;
    text-align: center;
    position: relative;
}

.about-image::before {
    content: '';
    position: absolute;
    top: -10px;
    left: -10px;
    right: -10px;
    bottom: -10px;
    background: linear-gradient(135deg, #0078d4, #00b7c3);
    border-radius: 30px;
    z-index: -1;
    opacity: 0.1;
}

.about-img {
    width: 256px;
    height: 256px;
    border-radius: 25px;
    box-shadow: 
        0 15px 35px rgba(0, 0, 0, 0.15),
        0 5px 15px rgba(0, 120, 212, 0.1);
    border: 2px solid rgba(255, 255, 255, 0.8);
    transition: transform 0.4s cubic-bezier(0.4, 0, 0.2, 1);
    filter: drop-shadow(0 8px 20px rgba(0, 0, 0, 0.15));
    object-fit: cover;
}

.about-img:hover {
    transform: scale(1.05);
    box-shadow: 0 15px 40px rgba(0, 0, 0, 0.25);
}

.about-text {
    text-align: left;
    opacity: 0;
    animation: fadeInLeft 0.8s cubic-bezier(0.4, 0, 0.2, 1) 1.4s forwards;
    background: linear-gradient(135deg, 
        rgba(255, 255, 255, 0.9) 0%, 
        rgba(240, 248, 255, 0.8) 100%
    );
    backdrop-filter: blur(20px) saturate(180%);
    border-radius: 20px;
    padding: 3rem;
    border: 1px solid rgba(255, 255, 255, 0.4);
    box-shadow: 
        0 8px 32px rgba(0, 0, 0, 0.08),
        inset 0 1px 0 rgba(255, 255, 255, 0.6);
}

.about-text p {
    font-size: 1.15rem;
    line-height: 1.8;
    color: #444;
    margin-bottom: 2rem;
    font-weight: 400;
    opacity: 0;
    animation: fadeInUp 0.8s ease-out forwards;
}

.about-text p:nth-child(1) {
    animation-delay: 1.6s;
}

.about-text p:nth-child(2) {
    animation-delay: 1.7s;
}

.stats-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(200px, 1fr));
    gap: 2rem;
    margin-top: 3rem;
}

.stat-item {
    text-align: center;
    padding: 1.5rem;
    background: rgba(255, 255, 255, 0.9);
    border-radius: 10px;
    box-shadow: 0 4px 15px rgba(0, 0, 0, 0.1);
    opacity: 0;
    transform: translateY(30px);
    animation: fadeInUp 0.5s ease-out forwards;
}

.stat-item:nth-child(1) {
    animation-delay: 1.8s;
}

.stat-item:nth-child(2) {
    animation-delay: 1.9s;
}

.stat-item:nth-child(3) {
    animation-delay: 2.0s;
}

.stat-number {
    font-size: 2.5rem;
    font-weight: 700;
    color: #0078d4;
    margin-bottom: 0.5rem;
}

.stat-label {
    font-size: 1rem;
    color: #666;
    font-weight: 500;
}

/* 联系我们区域样式 */
.contact-section {
    padding: 5rem 2rem;
    background: rgba(255, 255, 255, 0.6);
    backdrop-filter: blur(10px);
    margin: 2rem auto;
    max-width: 1200px;
    border-radius: 20px;
    box-shadow: 0 4px 30px rgba(0, 0, 0, 0.1);
    opacity: 0;
    animation: fadeInUp 0.8s ease-out 1.4s forwards;
}

.contact-section h2 {
    font-size: 3rem;
    font-weight: 700;
    background: linear-gradient(135deg, #1a1a1a 0%, #0078d4 50%, #1a1a1a 100%);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
    margin-bottom: 3rem;
    text-align: center;
    opacity: 0;
    animation: fadeInUp 0.8s cubic-bezier(0.4, 0, 0.2, 1) 1.0s forwards;
}



.contact-content {
    display: flex;
    justify-content: center;
    max-width: 1200px;
    margin: 0 auto;
    align-items: center;
}

.contact-info {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 2rem;
    width: 100%;
}

.contact-item {
    display: flex;
    align-items: center;
    gap: 1rem;
    padding: 2rem;
    background: linear-gradient(135deg, 
        rgba(255, 255, 255, 0.95) 0%, 
        rgba(240, 248, 255, 0.9) 100%
    );
    backdrop-filter: blur(20px) saturate(180%);
    border-radius: 20px;
    transition: all 0.4s cubic-bezier(0.4, 0, 0.2, 1);
    opacity: 0;
    transform: translateX(-30px);
    animation: fadeInRight 0.6s cubic-bezier(0.4, 0, 0.2, 1) forwards;
    border: 1px solid rgba(255, 255, 255, 0.4);
    box-shadow: 
        0 8px 32px rgba(0, 0, 0, 0.08),
        inset 0 1px 0 rgba(255, 255, 255, 0.6);
    position: relative;
    overflow: hidden;
}

.contact-item::before {
    content: '';
    position: absolute;
    top: 0;
    left: -100%;
    width: 100%;
    height: 100%;
    background: linear-gradient(90deg, transparent, rgba(255, 255, 255, 0.4), transparent);
    transition: left 0.6s ease;
}

.contact-item:hover::before {
    left: 100%;
}

.contact-item:nth-child(1) {
    animation-delay: 1.6s;
}

.contact-item:nth-child(2) {
    animation-delay: 1.7s;
}

.contact-item:nth-child(3) {
    animation-delay: 1.8s;
}

.contact-item:hover {
    background: linear-gradient(135deg, 
        rgba(255, 255, 255, 1) 0%, 
        rgba(230, 240, 255, 0.95) 100%
    );
    transform: translateY(-5px) scale(1.02);
    box-shadow: 
        0 20px 40px rgba(0, 0, 0, 0.12),
        inset 0 1px 0 rgba(255, 255, 255, 0.8);
    border-color: rgba(255, 255, 255, 0.6);
}

.contact-icon {
    font-size: 2.5rem;
    flex-shrink: 0;
    background: linear-gradient(135deg, #0078d4 0%, #00b7c3 100%);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
    filter: drop-shadow(0 4px 8px rgba(0, 120, 212, 0.2));
}

.contact-details h3 {
    font-size: 1.4rem;
    margin-bottom: 0.8rem;
    background: linear-gradient(135deg, #1a1a1a 0%, #0078d4 100%);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
    font-weight: 700;
}

.contact-details p {
    color: #555;
    font-size: 1.1rem;
    font-weight: 500;
    background: rgba(255, 255, 255, 0.5);
    backdrop-filter: blur(5px);
    padding: 0.8rem 1rem;
    border-radius: 10px;
    border: 1px solid rgba(255, 255, 255, 0.3);
}

.contact-form {
    background: linear-gradient(135deg, 
        rgba(255, 255, 255, 0.95) 0%, 
        rgba(240, 248, 255, 0.9) 100%
    );
    backdrop-filter: blur(25px) saturate(200%);
    border-radius: 25px;
    padding: 3.5rem;
    border: 1px solid rgba(255, 255, 255, 0.5);
    box-shadow: 
        0 15px 40px rgba(0, 0, 0, 0.12),
        inset 0 1px 0 rgba(255, 255, 255, 0.8);
    opacity: 0;
    animation: fadeInLeft 0.6s cubic-bezier(0.4, 0, 0.2, 1) 1.9s forwards;
    position: relative;
    overflow: hidden;
}

.contact-form::before {
    content: '';
    position: absolute;
    top: 0;
    left: -100%;
    width: 100%;
    height: 100%;
    background: linear-gradient(90deg, transparent, rgba(255, 255, 255, 0.3), transparent);
    transition: left 0.8s ease;
}

.contact-form:hover::before {
    left: 100%;
}

.contact-form h3 {
    font-size: 2rem;
    font-weight: 700;
    background: linear-gradient(135deg, #1a1a1a 0%, #0078d4 100%);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
    margin-bottom: 2.5rem;
    text-align: center;
    opacity: 0;
    animation: fadeInUp 0.8s cubic-bezier(0.4, 0, 0.2, 1) 2.0s forwards;
    position: relative;
    padding-bottom: 1rem;
}

.contact-form h3::after {
    content: '';
    position: absolute;
    bottom: 0;
    left: 50%;
    transform: translateX(-50%);
    width: 60px;
    height: 2px;
    background: linear-gradient(90deg, transparent, #0078d4, transparent);
    border-radius: 1px;
}

.message-form {
    display: flex;
    flex-direction: column;
    gap: 1rem;
}

.form-input, .form-textarea {
    width: 100%;
    padding: 1.2rem 1.5rem;
    border: 1px solid rgba(255, 255, 255, 0.6);
    border-radius: 12px;
    background: rgba(255, 255, 255, 0.9);
    backdrop-filter: blur(10px);
    font-size: 1.05rem;
    margin-bottom: 1.8rem;
    transition: all 0.4s cubic-bezier(0.4, 0, 0.2, 1);
    opacity: 0;
    animation: fadeInUp 0.6s cubic-bezier(0.4, 0, 0.2, 1) forwards;
    box-shadow: inset 0 2px 4px rgba(0, 0, 0, 0.05);
}

.form-input:nth-child(1) { animation-delay: 2.1s; }
.form-input:nth-child(2) { animation-delay: 2.2s; }
.form-textarea { animation-delay: 2.3s; }

.form-input:focus, .form-textarea:focus {
    outline: none;
    border-color: #0078d4;
    box-shadow: 
        0 0 0 3px rgba(0, 120, 212, 0.15),
        inset 0 2px 4px rgba(0, 0, 0, 0.05);
    transform: translateY(-2px);
}

.form-textarea {
    min-height: 120px;
    resize: vertical;
}

/* 页脚样式 */
.footer {
    background: linear-gradient(135deg, 
        rgba(26, 26, 26, 0.95) 0%, 
        rgba(45, 45, 45, 0.9) 50%, 
        rgba(26, 26, 26, 0.95) 100%
    );
    backdrop-filter: blur(40px) saturate(200%);
    color: white;
    padding: 4rem 2rem 1rem;
    margin-top: 4rem;
    opacity: 0;
    animation: fadeInUp 0.8s cubic-bezier(0.4, 0, 0.2, 1) 1.6s forwards;
    position: relative;
    width: 100%;
    overflow: hidden;
}

.footer::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    height: 1px;
    background: linear-gradient(90deg, transparent, rgba(255, 255, 255, 0.3), transparent);
}

/* 电脑版页脚内容精简 - 与手机版相同样式但保持原有位置 */
.footer-content {
    max-width: 1200px;
    margin: 0 auto;
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 3rem;
    margin-bottom: 2rem;
}

/* 隐藏页脚链接区域 */
.footer-links {
    display: none !important;
}

.footer-logo .nav-logo {
    font-size: 2rem;
    font-weight: 800;
    margin-bottom: 0.5rem;
    background: linear-gradient(135deg, #0078d4 0%, #00b7c3 25%, #00d4d4 50%, #00b7c3 75%, #0078d4 100%);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
    letter-spacing: -0.02em;
    text-shadow: 0 2px 10px rgba(0, 120, 212, 0.3);
    opacity: 0;
    animation: fadeInLeft 0.8s ease-out 1.7s forwards;
}

/* 隐藏徽标描述文字 */
.footer-logo p {
    display: none !important;
}

.footer-link {
    color: #ccc;
    text-decoration: none;
    transition: color 0.3s ease;
    font-size: 0.9rem;
    opacity: 0;
    animation: fadeInRight 0.5s ease-out forwards;
}

.footer-link:nth-child(1) {
    animation-delay: 1.9s;
}

.footer-link:nth-child(2) {
    animation-delay: 2.0s;
}

.footer-link:nth-child(3) {
    animation-delay: 2.1s;
}

.footer-link:hover {
    color: #0078d4;
}

.copyright {
    text-align: center;
    padding-top: 2rem;
    border-top: 1px solid rgba(255, 255, 255, 0.1);
    color: #999;
    font-size: 0.9rem;
    opacity: 0;
    animation: fadeInUp 0.8s ease-out 2.2s forwards;
}

/* 新内容区域的响应式设计 */
@media (max-width: 768px) {
    .download-grid {
        grid-template-columns: 1fr;
        gap: 1.5rem;
    }
    
    .contact-content {
        grid-template-columns: 1fr;
        gap: 2rem;
    }
    
    .footer-content {
        grid-template-columns: 1fr;
        gap: 2rem;
        text-align: center;
    }
    
    .footer-links {
        justify-content: center;
    }
    
    .stats-grid {
        grid-template-columns: 1fr;
        gap: 1.5rem;
    }
}



/* 手机版页脚固定定位和内容精简 */
@media (max-width: 768px) {
    /* 禁止页面滚动 */
    body {
        overflow: hidden;
        height: 100vh;
        position: fixed;
        width: 100%;
        padding-bottom: 50px; /* 为固定页脚预留空间 */
    }
    
    html {
        overflow: hidden;
    }
    
    .footer {
        position: fixed;
        bottom: 0;
        left: 0;
        right: 0;
        width: 100%;
        z-index: 1000;
        margin: 0;
        padding: 8px 0; /* 精简内边距 */
        box-shadow: 0 -2px 10px rgba(0, 0, 0, 0.1);
    }
    
    .main-content {
        min-height: calc(100vh - 50px);
        overflow-y: auto;
        -webkit-overflow-scrolling: touch;
    }
    
    /* 精简页脚内容 - 只保留徽标和版权标识 */
    .footer-content {
        padding: 0 10px;
        display: flex;
        flex-direction: column;
        align-items: center;
        gap: 5px;
        margin-bottom: 0;
    }
    
    /* 隐藏页脚链接区域 */
    .footer-links {
        display: none !important;
    }
    
    /* 精简徽标区域 */
    .footer-logo {
        text-align: center;
    }
    
    .footer-logo .nav-logo {
        font-size: 1.2rem;
        margin-bottom: 0.2rem;
    }
    
    /* 隐藏徽标描述文字 */
    .footer-logo p {
        display: none !important;
    }
    
    /* 精简版权信息 */
    .copyright {
        padding-top: 0;
        font-size: 0.7rem;
        text-align: center;
        border-top: none;
    }
}

/* 手机版按钮文本控制 */
.win10-btn.primary-btn .desktop-text {
    display: block;
}

.win10-btn.primary-btn .mobile-text {
    display: none;
}

@media (max-width: 768px) {
    .win10-btn.primary-btn .desktop-text {
        display: none;
    }
    
    .win10-btn.primary-btn .mobile-text {
        display: block;
        line-height: 1.2;
        text-align: center;
    }
}

/* 复制链接按钮样式 */
.copy-link-btn.mobile-only {
    display: none;
    width: 100%;
    padding: 10px 16px;
    background: transparent;
    border: 1px solid #0078d4;
    color: #0078d4;
    border-radius: 6px;
    font-size: 0.9rem;
    font-weight: 500;
    cursor: pointer;
    transition: all 0.3s ease;
    margin-top: 8px;
}

.copy-link-btn.mobile-only:hover {
    background: #0078d4;
    color: white;
}

.copy-link-btn.mobile-only:active {
    transform: translateY(1px);
}

.copy-link-btn.mobile-only.copied {
    background: #28a745;
    border-color: #28a745;
    color: white;
}

/* 手机版显示复制链接按钮 */
@media (max-width: 768px) {
    .copy-link-btn.mobile-only {
        display: block !important;
    }
}

/* 添加平滑滚动相关样式 */
html {
  scroll-behavior: smooth;
  overflow-anchor: none;
}

/* 优化滚动容器渲染 */
main {
  scroll-snap-type: y proximity;
  overscroll-behavior: contain;
}