:root {
    --primary-color: #2196F3;
    --secondary-color: #1976D2;
    --text-color: #333;
    --light-gray: #f5f5f5;
    --light-bg: #f5f7fa;
    --light-text: #333333;
    --light-card-bg: rgba(255, 255, 255, 0.95);
    --light-card-border: rgba(0, 0, 0, 0.08);
    --light-nav-bg: rgba(255, 255, 255, 0.95);
    --light-nav-text: #333333;
    --light-nav-hover: rgba(0, 0, 0, 0.05);
    --light-footer-bg: rgba(255, 255, 255, 0.95);
    --dark-bg: linear-gradient(45deg, #1a1a1a, #2c3e50);
    --dark-text: #ffffff;
    --dark-card-bg: rgba(255, 255, 255, 0.1);
    --dark-card-border: rgba(255, 255, 255, 0.1);
    --dark-nav-bg: rgba(20, 20, 20, 0);
    --dark-nav-text: rgba(255, 255, 255, 0.8);
    --dark-nav-hover: rgba(255, 255, 255, 0.1);
    --dark-footer-bg: rgba(0, 0, 0, 0.3);
    --bg: var(--light-bg);
    --text: var(--light-text);
    --card-bg: var(--light-card-bg);
    --card-border: var(--light-card-border);
    --nav-bg: var(--light-nav-bg);
    --nav-text: var(--light-nav-text);
    --nav-hover: var(--light-nav-hover);
    --footer-bg: var(--light-footer-bg);
}

:root[data-theme='dark'] {
    --bg: var(--dark-bg);
    --text: var(--dark-text);
    --card-bg: var(--dark-card-bg);
    --card-border: var(--dark-card-border);
    --nav-bg: var(--dark-nav-bg);
    --nav-text: var(--dark-nav-text);
    --nav-hover: var(--dark-nav-hover);
    --footer-bg: var(--dark-footer-bg);
}

body {
    margin: 0;
    font-family: 'PingFang SC', 'Microsoft YaHei', sans-serif;
    color: var(--text);
    background: var(--bg);
}

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

/* 导航栏样式 */
.navbar {
    background: var(--nav-bg);
    backdrop-filter: blur(10px);
    border-bottom: 1px solid var(--card-border);
    position: fixed;
    width: 100%;
    z-index: 1000;
    transition: all 0.3s ease;
}

.navbar .container {
    display: flex;
    justify-content: space-between;
    align-items: center;
    height: 70px;
}

.navbar .logo span {
    font-size: 1.5rem;
    font-weight: bold;
    color: var(--nav-text);
    transition: color 0.3s ease;
}

.nav-links {
    list-style: none;
    display: flex;
    gap: 2rem;
    margin: 0;
    padding: 0;
}

.nav-links a {
    text-decoration: none;
    color: var(--nav-text);
    font-size: 1.1rem;
    padding: 0.5rem 1rem;
    border-radius: 4px;
    transition: all 0.3s ease;
    opacity: 0.7;
}

.nav-links a:hover,
.nav-links a.active {
    background-color: var(--nav-hover);
    opacity: 1;
}

/* 修改产品卡片样式 */
.product-card {
    background: var(--card-bg);
    opacity: 0.95;
    border-radius: 10px;
    padding: 30px;
    margin: 20px 0;
    backdrop-filter: blur(10px);
    border: 1px solid var(--card-border);
    text-align: center;
    display: flex;
    flex-direction: column;
    align-items: center;
}

.product-card img {
    width: 100px;
    height: auto;
    margin-bottom: 15px;
    display: block;
    margin-left: auto;
    margin-right: auto;
}

.product-card h3 {
    margin: 10px 0;
    color: var(--text);
}

.product-card p {
    margin-bottom: 20px;
    color: var(--text);
    opacity: 0.8;
    max-width: 80%;
    margin-left: auto;
    margin-right: auto;
}

/* 修改下载按钮样式 */
.platform-downloads {
    display: flex;
    flex-wrap: wrap;
    gap: 10px;
    justify-content: center;
    margin-top: 20px;
}

.download-btn {
    display: flex;
    align-items: center;
    gap: 8px;
    padding: 8px 16px;
    border-radius: 6px;
    text-decoration: none;
    transition: all 0.3s ease;
}

/* 深色模式保持原样 */
[data-theme="dark"] .download-btn {
    background: var(--card-bg);
    color: var(--text);
    border: 1px solid var(--card-border);
}

/* 亮色模式下使用高级黑背景 */
[data-theme="light"] .download-btn {
    background: #2c3e50; /* 改为高级黑色 */
    color: white;
    border: none;
}

.download-btn:hover {
    transform: translateY(-2px);
    box-shadow: 0 4px 12px rgba(0, 0, 0, 0.15);
}

[data-theme="light"] .download-btn:hover {
    background: #34495e; /* 悬浮时稍微亮一点的黑色 */
}

/* 确保 SVG 图标颜色跟随文字颜色 */
.download-btn svg {
    width: 20px;
    height: 20px;
    fill: currentColor;
}

/* 页脚样式 */
.footer {
    background-color: var(--footer-bg);
    padding: 20px 0;
    margin-top: 50px;
    text-align: center;
}

.footer p {
    margin: 5px 0;
    color: var(--text);
    opacity: 0.7;
    font-size: 14px;
}

.footer .beian {
    display: flex;
    align-items: center;
    justify-content: center;
    gap: 10px;
}

.footer .beian img {
    width: 14px;
    height: 14px;
    margin-right: 5px;
    vertical-align: middle;
}

.footer .beian a {
    color: var(--text);
    opacity: 0.7;
    text-decoration: none;
    display: flex;
    align-items: center;
}

.footer .beian .divider {
    color: var(--text);
    opacity: 0.4;
}

.footer a:hover {
    color: var(--primary-color);
}

/* 响应式设计优化 */
@media (max-width: 768px) {
    .navbar .container {
        flex-direction: column;
        height: auto;
        padding: 15px 0;
    }

    .nav-links {
        display: flex;
        flex-wrap: wrap;
        justify-content: center;
        margin-top: 15px;
        gap: 1rem;
    }

    .logo span {
        font-size: 1.2rem;
    }

    .nav-links a {
        font-size: 1rem;
        padding: 0.3rem 0.8rem;
    }

    .product-card {
        margin: 10px;
    }
}

/* 修改粒子容器样式 */
#particles-js {
    position: fixed;
    width: 100%;
    height: 100%;
    background: var(--bg);
    z-index: -1;
}

/* 添加激活状态样式 */
.nav-links a.active {
    background-color: var(--nav-hover);
    font-weight: bold;
    opacity: 1;
}

/* 添加 hero 部分的样式 */
.hero {
    padding: 150px 0 80px;
    text-align: center;
}

.hero h1 {
    font-size: 3rem;
    margin-bottom: 1rem;
    color: var(--text);
}

.hero p {
    font-size: 1.2rem;
    color: var(--text);
    opacity: 0.8;
    max-width: 600px;
    margin: 0 auto;
}

/* 调整产品区域的样式 */
.products {
    padding: 50px 0;
}

.products h2 {
    text-align: center;
    margin-bottom: 40px;
    font-size: 2.5rem;
}

/* 产品部分的标签页样式 */
.product-section {
    display: none;
}

.product-section.active {
    display: block;
}

/* 轮播图样式 */
.carousel {
    position: relative;
    width: 100%;
    max-width: 500px;
    margin: 30px auto;
    overflow: hidden;
    border-radius: 10px;
}

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

.carousel-slide {
    min-width: 100%;
    position: relative;
}

.carousel-slide img {
    width: 100%;
    height: auto;
    display: block;
    border-radius: 0 0 10px 10px;
}

.carousel-button {
    position: absolute;
    top: 50%;
    transform: translateY(-50%);
    background: rgba(255,255,255,0.2);
    color: white;
    width: 40px;
    height: 40px;
    line-height: 40px;
    text-align: center;
    padding: 0;
    border: none;
    cursor: pointer;
    border-radius: 50%;
    backdrop-filter: blur(5px);
    transition: all 0.3s ease;
    font-size: 18px;
}

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

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

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

.carousel-dots {
    position: absolute;
    bottom: 30px;
    left: 50%;
    transform: translateX(-50%);
    display: flex;
    gap: 8px;
    z-index: 10;
}

.carousel-dot {
    width: 10px;
    height: 10px;
    border-radius: 50%;
    background: rgba(255,255,255,0.5);
    cursor: pointer;
    transition: all 0.3s ease;
}

.carousel-dot.active {
    background: white;
    transform: scale(1.2);
}

.contact-card {
    max-width: 800px;
    margin: 0 auto;
}

.contact-card h2 {
    font-size: 2rem;
    margin-bottom: 30px;
    color: var(--text);
}

.contact-info {
    text-align: left;
    display: flex;
    flex-direction: column;
    gap: 25px;
}

.info-item {
    background: var(--card-bg);
    border: 1px solid var(--card-border);
    padding: 20px;
    border-radius: 8px;
    transition: all 0.3s ease;
}

.info-item:hover {
    background: var(--nav-hover);
    transform: translateY(-2px);
}

.info-item h3 {
    color: var(--primary-color);
    margin-bottom: 10px;
    font-size: 1.2rem;
}

.info-item p {
    color: var(--text);
    opacity: 0.9;
    margin: 5px 0;
    font-size: 1.1rem;
}

.tutorial-link {
    display: inline-block;
    margin: 15px 0;
    padding: 8px 20px;
    background-color: var(--card-bg);
    color: var(--text);
    text-decoration: none;
    border-radius: 20px;
    transition: background-color 0.3s ease;
}

.tutorial-link:hover {
    background-color: rgba(255, 255, 255, 0.2);
}

.tutorial-links {
    display: flex;
    flex-wrap: wrap;
    gap: 10px;
    justify-content: center;
    margin: 15px 0;
}

.tutorial-btn {
    display: flex;
    align-items: center;
    gap: 8px;
    padding: 8px 16px;
    border-radius: 9999px;
    text-decoration: none;
    transition: all 0.3s ease;
    margin: 5px;
    opacity: 0.85; /* 添加透明度 */
}

/* 深色模式保持原样 */
[data-theme="dark"] .tutorial-btn {
    background: var(--card-bg);
    color: var(--text);
    border: 1px solid var(--card-border);
}

/* 亮色模式下教程按钮使用高级黑背景 */
[data-theme="light"] .tutorial-btn,
[data-theme="light"] .tutorial-link {
    background: #2c3e50; /* 改为高级黑色 */
    color: white;
    border: none;
}

[data-theme="light"] .tutorial-btn:hover,
[data-theme="light"] .tutorial-link:hover {
    background: #34495e; /* 悬浮时稍微亮一点的黑色 */
    opacity: 1;
}

/* 添加吐司提示样式 */
.toast {
    position: fixed;
    top: 20px;
    left: 50%;
    transform: translateX(-50%) translateY(-100px);
    background: rgba(0, 0, 0, 0.8);
    color: white;
    padding: 12px 24px;
    border-radius: 8px;
    font-size: 14px;
    z-index: 10000;
    backdrop-filter: blur(8px);
    opacity: 0;
    transition: all 0.3s ease;
}

.toast.show {
    transform: translateX(-50%) translateY(0);
    opacity: 1;
}

/* 添加 tooltip 样式 */
.download-btn.windows {
    position: relative;
}

.download-btn.windows::after {
    content: "如果点击无法下载，尝试右键复制下载链接，粘贴到新的Tab页面访问下载，部分浏览器需要点击【...】菜单，选择【保留】";
    position: absolute;
    bottom: 120%;
    left: 50%;
    transform: translateX(-50%);
    padding: 8px 12px;
    background: rgba(0, 0, 0, 0.8);
    color: white;
    border-radius: 6px;
    font-size: 12px;
    white-space: nowrap;
    opacity: 0;
    visibility: hidden;
    transition: all 0.3s ease;
    backdrop-filter: blur(8px);
    z-index: 1000;
}

.download-btn.windows::before {
    content: "";
    position: absolute;
    bottom: 110%;
    left: 50%;
    transform: translateX(-50%);
    border: 6px solid transparent;
    border-top-color: rgba(0, 0, 0, 0.8);
    opacity: 0;
    visibility: hidden;
    transition: all 0.3s ease;
}

.download-btn.windows:hover::after,
.download-btn.windows:hover::before {
    opacity: 1;
    visibility: visible;
}

/* 添加主题切换按钮样式 */
.theme-switch {
    position: relative;
    width: 60px;
    height: 30px;
    margin-left: 20px;
}

.theme-switch input {
    opacity: 0;
    width: 0;
    height: 0;
}

.slider {
    position: absolute;
    cursor: pointer;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    background-color: #ccc;
    transition: .4s;
    border-radius: 30px;
}

.slider:before {
    position: absolute;
    content: "☀️";
    display: flex;
    align-items: center;
    justify-content: center;
    height: 22px;
    width: 22px;
    left: 4px;
    bottom: 4px;
    background-color: white;
    transition: .4s;
    border-radius: 50%;
}

input:checked + .slider {
    background-color: #2196F3;
}

input:checked + .slider:before {
    transform: translateX(30px);
    content: "🌙";
}

/* 修改教程按钮样式 */
.tutorial-btn, .tutorial-link {
    display: flex;
    align-items: center;
    gap: 8px;
    padding: 8px 16px;
    border-radius: 9999px;
    text-decoration: none;
    transition: all 0.3s ease;
    margin: 5px;
    opacity: 0.85; /* 添加透明度 */
}

/* 深色模式保持原样 */
[data-theme="dark"] .tutorial-btn,
[data-theme="dark"] .tutorial-link {
    background: var(--card-bg);
    color: var(--text);
    border: 1px solid var(--card-border);
}

/* 亮色模式下更明显的样式 */
[data-theme="light"] .tutorial-btn,
[data-theme="light"] .tutorial-link {
    background: var(--primary-color);
    color: white;
    border: none;
}

.tutorial-btn:hover,
.tutorial-link:hover {
    transform: translateY(-2px);
    opacity: 1;
}

/* 修改下载按钮样式 */
.download-btn {
    display: flex;
    align-items: center;
    gap: 8px;
    padding: 8px 16px;
    border-radius: 6px;
    text-decoration: none;
    transition: all 0.3s ease;
}

/* 深色模式保持原样 */
[data-theme="dark"] .download-btn {
    background: var(--card-bg);
    color: var(--text);
    border: 1px solid var(--card-border);
}

/* 亮色模式下使用高级黑背景 */
[data-theme="light"] .download-btn {
    background: #2c3e50; /* 改为高级黑色 */
    color: white;
    border: none;
}

.download-btn:hover {
    transform: translateY(-2px);
    box-shadow: 0 4px 12px rgba(0, 0, 0, 0.15);
}

[data-theme="light"] .download-btn:hover {
    background: #34495e; /* 悬浮时稍微亮一点的黑色 */
}

/* 确保 SVG 图标颜色跟随文字颜色 */
.download-btn svg {
    width: 20px;
    height: 20px;
    fill: currentColor;
}

/* 修教程按钮样式 */
.tutorial-btn, .tutorial-link {
    display: flex;
    align-items: center;
    gap: 8px;
    padding: 8px 16px;
    border-radius: 9999px;
    text-decoration: none;
    transition: all 0.3s ease;
    margin: 5px;
    opacity: 0.85; /* 添加透明度 */
}

/* 深色模式保持原样 */
[data-theme="dark"] .tutorial-btn,
[data-theme="dark"] .tutorial-link {
    background: var(--card-bg);
    color: var(--text);
    border: 1px solid var(--card-border);
}

/* 亮色模式下更明显的样式 */
[data-theme="light"] .tutorial-btn,
[data-theme="light"] .tutorial-link {
    background: var(--primary-color);
    color: white;
    border: none;
}

.tutorial-btn:hover,
.tutorial-link:hover {
    transform: translateY(-2px);
    opacity: 1;
}

/* 深色模式保持原样 */
[data-theme="dark"] .tutorial-btn,
[data-theme="dark"] .tutorial-link,
[data-theme="dark"] .download-btn {
    background: var(--card-bg);
    color: var(--text);
    border: 1px solid var(--card-border);
}

/* 亮色模式下使用高级黑背景 */
[data-theme="light"] .tutorial-btn,
[data-theme="light"] .tutorial-link {
    background: #2c3e50; /* 高级黑色 */
    color: white;
    border: none;
    opacity: 0.85; /* 教程按钮稍微透明 */
}

[data-theme="light"] .download-btn {
    background: #2c3e50; /* 高级黑色 */
    color: white;
    border: none;
}

/* 悬浮效果 */
[data-theme="light"] .tutorial-btn:hover,
[data-theme="light"] .tutorial-link:hover {
    background: #34495e; /* 悬浮时稍微亮一点的黑色 */
    opacity: 1;
}

[data-theme="light"] .download-btn:hover {
    background: #34495e; /* 悬浮时稍微亮一点的黑色 */
    transform: translateY(-2px);
    box-shadow: 0 4px 12px rgba(0, 0, 0, 0.15);
}

/* 确保 SVG 图标在亮色模式下为白色 */
[data-theme="light"] .tutorial-btn svg,
[data-theme="light"] .tutorial-link svg,
[data-theme="light"] .download-btn svg {
    fill: white;
}