/* 重置样式 */
* {
    margin: 0;
    padding: 0;
    box-sizing: border-box;
}

body {
    font-family: -apple-system, BlinkMacSystemFont, 'Segoe UI', 'PingFang SC', 'Hiragino Sans GB', 'Microsoft YaHei', sans-serif;
    line-height: 1.6;
    color: #333;
    background-color: #fff;
}

/* 全局链接样式 */
a {
    color: #2563eb;
    text-decoration: none;
    transition: all 0.3s ease;
}

a:hover {
    color: #1d4ed8;
}

/* 内容区域的链接样式 */
.tutorial-content a,
.step-content a,
.step-list a {
    color: #2563eb;
    text-decoration: none;
    font-weight: 500;
    padding: 1px 4px;
    border-radius: 3px;
    background: rgba(37, 99, 235, 0.08);
    border-bottom: 1px solid rgba(37, 99, 235, 0.3);
    transition: all 0.3s ease;
}

.tutorial-content a:hover,
.step-content a:hover,
.step-list a:hover {
    color: #1d4ed8;
    background: rgba(37, 99, 235, 0.12);
    border-bottom-color: rgba(29, 78, 216, 0.5);
    transform: translateY(-1px);
    text-decoration: none;
}

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

/* 导航栏 */
.navbar {
    position: fixed;
    top: 0;
    width: 100%;
    background: rgba(255, 255, 255, 0.95);
    backdrop-filter: blur(10px);
    border-bottom: 1px solid #e5e5e5;
    z-index: 1000;
    transition: all 0.3s ease;
}

.nav-container {
    max-width: 1200px;
    margin: 0 auto;
    padding: 0 20px;
    display: flex;
    justify-content: space-between;
    align-items: center;
    height: 70px;
}

.nav-logo {
    display: flex;
    align-items: center;
    gap: 10px;
}

.logo-img {
    width: 40px;
    height: 40px;
    border-radius: 8px;
}

.logo-text {
    font-size: 24px;
    font-weight: bold;
    color: #2c5aa0;
}

.nav-menu {
    display: flex;
    list-style: none;
    gap: 30px;
}

.nav-menu a {
    text-decoration: none;
    color: #333;
    font-weight: 500;
    transition: color 0.3s ease;
    position: relative;
}

.nav-menu a:hover {
    color: #2c5aa0;
}

.nav-menu a::after {
    content: '';
    position: absolute;
    bottom: -5px;
    left: 0;
    width: 0;
    height: 2px;
    background: #2c5aa0;
    transition: width 0.3s ease;
}

.nav-menu a:hover::after {
    width: 100%;
}

.nav-toggle {
    display: none;
    flex-direction: column;
    cursor: pointer;
}

.nav-toggle span {
    width: 25px;
    height: 3px;
    background: #333;
    margin: 3px 0;
    transition: 0.3s;
}

/* Hero 区域 */
.hero {
    padding: 120px 0 80px;
    background: linear-gradient(135deg, #667eea 0%, #764ba2 100%);
    color: white;
    overflow: hidden;
}

.hero-container {
    max-width: 1200px;
    margin: 0 auto;
    padding: 0 20px;
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 60px;
    align-items: center;
}

.hero-title {
    font-size: 3.5rem;
    font-weight: bold;
    margin-bottom: 20px;
    background: linear-gradient(45deg, #fff, #f0f8ff);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
}

.hero-subtitle {
    font-size: 1.5rem;
    margin-bottom: 20px;
    opacity: 0.9;
}

.hero-description {
    font-size: 1.1rem;
    line-height: 1.8;
    margin-bottom: 40px;
    opacity: 0.8;
}

.hero-buttons {
    display: flex;
    gap: 20px;
}

.btn {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    padding: 15px 30px;
    border-radius: 50px;
    text-decoration: none;
    font-weight: 600;
    transition: all 0.3s ease;
    border: none;
    cursor: pointer;
    font-size: 16px;
}

.btn-primary {
    background: #ff6b6b;
    color: white;
    box-shadow: 0 4px 15px rgba(255, 107, 107, 0.4);
}

.btn-primary:hover {
    background: #ff5252;
    transform: translateY(-2px);
    box-shadow: 0 6px 20px rgba(255, 107, 107, 0.6);
}

.btn-secondary {
    background: transparent;
    color: white;
    border: 2px solid white;
}

.btn-secondary:hover {
    background: white;
    color: #667eea;
    transform: translateY(-2px);
}

.hero-image img {
    width: 100%;
    height: auto;
    border-radius: 15px;
    box-shadow: 0 20px 40px rgba(0, 0, 0, 0.2);
}

/* 产品特色 */
.features {
    padding: 100px 0;
    background: #f8fafc;
}

.section-title {
    text-align: center;
    font-size: 2.5rem;
    font-weight: bold;
    margin-bottom: 20px;
    color: #2d3748;
}

.section-subtitle {
    text-align: center;
    font-size: 1.2rem;
    color: #718096;
    margin-bottom: 60px;
}

.features-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(350px, 1fr));
    gap: 40px;
    margin-top: 60px;
}

.feature-card {
    background: white;
    padding: 40px 30px;
    border-radius: 15px;
    text-align: center;
    box-shadow: 0 5px 15px rgba(0, 0, 0, 0.08);
    transition: all 0.3s ease;
}

.feature-card:hover {
    transform: translateY(-10px);
    box-shadow: 0 15px 35px rgba(0, 0, 0, 0.15);
}

.feature-icon {
    font-size: 3rem;
    margin-bottom: 20px;
}

.feature-card h3 {
    font-size: 1.5rem;
    font-weight: bold;
    margin-bottom: 15px;
    color: #2d3748;
}

.feature-card p {
    color: #718096;
    line-height: 1.6;
}

/* 下载区域 */
.download {
    padding: 100px 0;
    background: linear-gradient(135deg, #4facfe 0%, #00f2fe 100%);
    color: white;
}

.download-content {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 60px;
    align-items: center;
}

.download-info h3 {
    font-size: 2rem;
    margin-bottom: 20px;
}

.download-features {
    list-style: none;
    margin: 30px 0;
}

.download-features li {
    padding: 10px 0;
    font-size: 1.1rem;
}

.download-buttons {
    text-align: center;
}

.btn-download {
    background: #ff6b6b;
    color: white;
    padding: 20px 40px;
    font-size: 1.2rem;
    border-radius: 15px;
    box-shadow: 0 8px 25px rgba(255, 107, 107, 0.4);
    display: inline-flex;
    flex-direction: column;
    align-items: center;
    gap: 5px;
}

.btn-download:hover {
    background: #ff5252;
    transform: translateY(-3px);
    box-shadow: 0 12px 35px rgba(255, 107, 107, 0.6);
}

.download-icon {
    font-size: 2rem;
}

.download-note {
    margin-top: 20px;
    opacity: 0.8;
}

/* 教程区域 */
.tutorial {
    padding: 100px 0;
    background: white;
}

.tutorial-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
    gap: 40px;
    margin-top: 60px;
}

.tutorial-card {
    background: #f8fafc;
    padding: 40px 30px;
    border-radius: 15px;
    text-align: center;
    transition: all 0.3s ease;
}

.tutorial-card:hover {
    background: white;
    box-shadow: 0 10px 25px rgba(0, 0, 0, 0.1);
    transform: translateY(-5px);
}

.tutorial-icon {
    font-size: 3rem;
    margin-bottom: 20px;
}

.tutorial-card h3 {
    font-size: 1.5rem;
    margin-bottom: 15px;
    color: #2d3748;
}

.tutorial-card p {
    color: #718096;
    margin-bottom: 25px;
    line-height: 1.6;
}

.btn-outline {
    background: transparent;
    color: #2c5aa0;
    border: 2px solid #2c5aa0;
    padding: 12px 25px;
}

.btn-outline:hover {
    background: #2c5aa0;
    color: white;
}

/* 社区区域 */
.community {
    padding: 100px 0;
    background: #f8fafc;
}

.community-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
    gap: 40px;
    margin-top: 60px;
}

.community-card {
    background: white;
    padding: 40px 30px;
    border-radius: 15px;
    text-align: center;
    box-shadow: 0 5px 15px rgba(0, 0, 0, 0.08);
    transition: all 0.3s ease;
}

.community-card:hover {
    transform: translateY(-5px);
    box-shadow: 0 15px 35px rgba(0, 0, 0, 0.15);
}

.community-icon {
    font-size: 3rem;
    margin-bottom: 20px;
}

.community-card h3 {
    font-size: 1.5rem;
    margin-bottom: 15px;
    color: #2d3748;
}

.community-card p {
    color: #718096;
    margin-bottom: 20px;
    line-height: 1.6;
}

.qq-groups {
    display: flex;
    justify-content: center;
    gap: 10px;
    flex-wrap: wrap;
    margin-top: 20px;
}

.qq-group {
    background: #2c5aa0;
    color: white;
    padding: 8px 15px;
    border-radius: 20px;
    font-size: 0.9rem;
    font-weight: 600;
}



/* 关于我们 */
.about {
    padding: 100px 0;
    background: white;
}

.about-content {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 60px;
    align-items: center;
    margin-top: 60px;
}

.about-text h3 {
    font-size: 2rem;
    margin-bottom: 20px;
    color: #2d3748;
}

.about-text p {
    color: #718096;
    margin-bottom: 20px;
    line-height: 1.8;
}

.about-stats {
    display: flex;
    gap: 40px;
    margin-top: 40px;
}

.stat-item {
    text-align: center;
}

.stat-number {
    display: block;
    font-size: 2.5rem;
    font-weight: bold;
    color: #2c5aa0;
}

.stat-label {
    font-size: 0.9rem;
    color: #718096;
}

.about-image img {
    width: 100%;
    height: auto;
    border-radius: 15px;
}

/* 教程页面样式 */
.tutorial-hero {
    padding: 120px 0 80px;
    background: linear-gradient(135deg, #667eea 0%, #764ba2 100%);
    color: white;
    text-align: center;
}

.tutorial-hero h1 {
    font-size: 3rem;
    margin-bottom: 20px;
    font-weight: bold;
}

.tutorial-subtitle {
    font-size: 1.2rem;
    margin-bottom: 40px;
    opacity: 0.9;
}

.tutorial-nav {
    display: flex;
    justify-content: center;
    gap: 20px;
    flex-wrap: wrap;
}

.tutorial-nav-link {
    background: rgba(255, 255, 255, 0.2);
    color: white;
    padding: 12px 25px;
    border-radius: 25px;
    text-decoration: none;
    transition: all 0.3s ease;
    border: 2px solid rgba(255, 255, 255, 0.3);
    font-weight: 600;
    backdrop-filter: blur(10px);
}

.tutorial-nav-link:hover {
    background: rgba(255, 255, 255, 0.3);
    transform: translateY(-2px);
    box-shadow: 0 4px 15px rgba(0, 0, 0, 0.2);
}

.tutorial-section {
    padding: 80px 0;
}

.tutorial-section:nth-child(even) {
    background: #f8fafc;
}

.tutorial-content {
    margin-top: 60px;
}

.tutorial-step {
    display: flex;
    gap: 30px;
    margin-bottom: 50px;
    align-items: flex-start;
}

.step-number {
    background: #2c5aa0;
    color: white;
    width: 50px;
    height: 50px;
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 1.5rem;
    font-weight: bold;
    flex-shrink: 0;
}

.step-content {
    flex: 1;
}

.step-content h3 {
    font-size: 1.5rem;
    margin-bottom: 15px;
    color: #2d3748;
}

.step-content p {
    color: #718096;
    margin-bottom: 20px;
    line-height: 1.6;
}

.step-list {
    list-style: none;
    padding: 0;
}

.step-list li {
    padding: 8px 0;
    color: #718096;
    position: relative;
    padding-left: 20px;
}

.step-list li::before {
    content: '•';
    color: #2c5aa0;
    position: absolute;
    left: 0;
    font-weight: bold;
}

.step-image {
    margin: 20px 0;
    text-align: center;
}

.step-image img {
    max-width: 100%;
    height: auto;
    border-radius: 8px;
    box-shadow: 0 4px 15px rgba(0, 0, 0, 0.1);
    margin-bottom: 10px;
}



/* 图片容器样式 */
.step-content .step-image {
    text-align: left;
    margin: 15px 0;
}









/* 教程图片通用样式 */
.tutorial-img-large {
    width: 600px;
    max-width: 100%;
    height: auto;
    border: 2px solid #e2e8f0;
    border-radius: 12px;
    box-shadow: 0 6px 20px rgba(0, 0, 0, 0.12);
    transition: all 0.3s ease;
    margin: 15px 0;
    display: block;
}

.tutorial-img-large:hover {
    transform: scale(1.02);
    box-shadow: 0 8px 25px rgba(0, 0, 0, 0.18);
}

.tutorial-img-small {
    width: 300px;
    max-width: 100%;
    height: auto;
    border: 2px solid #e2e8f0;
    border-radius: 12px;
    box-shadow: 0 6px 20px rgba(0, 0, 0, 0.12);
    transition: all 0.3s ease;
    margin: 15px 0;
    display: block;
}

.tutorial-img-small:hover {
    transform: scale(1.02);
    box-shadow: 0 8px 25px rgba(0, 0, 0, 0.18);
}

.tutorial-img-medium {
    width: 500px;
    max-width: 100%;
    height: auto;
    border: 2px solid #e2e8f0;
    border-radius: 12px;
    box-shadow: 0 8px 25px rgba(0, 0, 0, 0.15);
    transition: all 0.3s ease;
    margin: 10px 0;
    display: block;
}

.tutorial-img-medium:hover {
    transform: scale(1.02);
    box-shadow: 0 12px 35px rgba(0, 0, 0, 0.2);
}

.step-note {
    background: #fff3cd;
    border: 1px solid #ffeaa7;
    border-radius: 8px;
    padding: 15px;
    margin-top: 20px;
    color: #856404;
}

.tutorial-card {
    background: white;
    padding: 30px;
    border-radius: 15px;
    margin-bottom: 30px;
    box-shadow: 0 5px 15px rgba(0, 0, 0, 0.08);
    transition: all 0.3s ease;
}

.tutorial-card:hover {
    transform: translateY(-3px);
    box-shadow: 0 10px 25px rgba(0, 0, 0, 0.12);
}

.tutorial-card h3 {
    color: #2d3748;
    margin-bottom: 20px;
    font-size: 1.4rem;
    font-weight: bold;
    border-bottom: 2px solid #e2e8f0;
    padding-bottom: 10px;
}

.tutorial-card p {
    color: #718096;
    margin-bottom: 20px;
    line-height: 1.6;
    font-size: 1rem;
}

.tutorial-card ul {
    list-style: none;
    padding: 0;
    margin-bottom: 20px;
}

.tutorial-card ul li {
    padding: 12px 0;
    color: #4a5568;
    position: relative;
    padding-left: 35px;
    line-height: 1.6;
    border-bottom: 1px solid #f7fafc;
    display: flex;
    align-items: flex-start;
}

.tutorial-card ul li:last-child {
    border-bottom: none;
}

.tutorial-card ul li::before {
    content: '▶';
    color: #2c5aa0;
    position: absolute;
    left: 8px;
    font-size: 1rem;
    top: 14px;
    width: 20px;
    text-align: center;
}

.tutorial-card ul li strong {
    color: #2d3748;
    font-weight: 600;
    margin-right: 8px;
    min-width: fit-content;
}

.shortcut-box {
    background: #f8fafc;
    border: 2px solid #e2e8f0;
    border-radius: 8px;
    padding: 15px;
    margin: 10px 0;
    text-align: center;
    font-family: 'Courier New', monospace;
}

.shortcut-box kbd {
    background: #2c5aa0;
    color: white;
    padding: 5px 10px;
    border-radius: 4px;
    font-size: 0.9rem;
    margin: 0 5px;
    font-family: 'Courier New', monospace;
    font-weight: 600;
    box-shadow: 0 2px 4px rgba(44, 90, 160, 0.3);
    border: 1px solid #1e3a8a;
}

/* 通用kbd样式优化 */
kbd {
    background: #374151;
    color: #f9fafb;
    padding: 2px 6px;
    border-radius: 3px;
    font-size: 0.85rem;
    font-family: 'Courier New', monospace;
    font-weight: 600;
    border: 1px solid #6b7280;
    box-shadow: 0 1px 2px rgba(0, 0, 0, 0.1);
}

.candidate-demo {
    text-align: center;
    margin: 20px 0;
}

.candidate-demo img {
    max-width: 100%;
    height: auto;
    border-radius: 8px;
    box-shadow: 0 4px 15px rgba(0, 0, 0, 0.1);
}

.feature-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
    gap: 30px;
    margin-top: 40px;
}

.feature-item {
    background: white;
    padding: 30px;
    border-radius: 15px;
    box-shadow: 0 5px 15px rgba(0, 0, 0, 0.08);
}

.feature-item h3 {
    color: #2d3748;
    margin-bottom: 15px;
    font-size: 1.3rem;
}

.feature-item p {
    color: #718096;
    margin-bottom: 15px;
}

.feature-item ul {
    list-style: none;
    padding: 0;
}

.feature-item ul li {
    padding: 5px 0;
    color: #718096;
    position: relative;
    padding-left: 20px;
}

.feature-item ul li::before {
    content: '✓';
    color: #10b981;
    position: absolute;
    left: 0;
    font-weight: bold;
}







.troubleshooting-content {
    margin-top: 40px;
}

.problem-item {
    background: white;
    padding: 30px;
    border-radius: 15px;
    margin-bottom: 30px;
    box-shadow: 0 5px 15px rgba(0, 0, 0, 0.08);
}

.problem-item h3 {
    color: #dc2626;
    margin-bottom: 20px;
    font-size: 1.3rem;
}

.solution h4 {
    color: #059669;
    margin-bottom: 15px;
    font-size: 1.1rem;
}

.solution ol {
    color: #718096;
    line-height: 1.6;
}

.solution ol li {
    margin-bottom: 8px;
}





.nav-menu a.active {
    color: #2c5aa0;
}

.nav-menu a.active::after {
    width: 100%;
}

/* 教程页面新增样式 */
.install-intro,
.basic-intro,
.advanced-intro,
.troubleshooting-intro {
    background: linear-gradient(135deg, #f0f9ff 0%, #e0f2fe 100%);
    padding: 30px;
    border-radius: 15px;
    margin-bottom: 40px;
    border-left: 5px solid #2c5aa0;
}

.install-intro h3,
.basic-intro h3,
.advanced-intro h3,
.troubleshooting-intro h3 {
    color: #2c5aa0;
    margin-bottom: 15px;
    font-size: 1.5rem;
}

.install-intro p,
.basic-intro p,
.advanced-intro p,
.troubleshooting-intro p {
    color: #1e40af;
    line-height: 1.6;
    margin-bottom: 15px;
}





.selection-methods {
    background: linear-gradient(135deg, #fef3c7 0%, #fde68a 100%);
    padding: 25px;
    border-radius: 12px;
    margin: 25px 0;
    border-left: 5px solid #f59e0b;
}

.selection-methods h4 {
    color: #92400e;
    margin-bottom: 20px;
    font-size: 1.3rem;
    font-weight: 600;
}

.selection-methods ul {
    list-style: none;
    padding: 0;
}

.selection-methods ul li {
    padding: 15px 0;
    color: #78350f;
    position: relative;
    padding-left: 40px;
    line-height: 1.6;
    border-bottom: 1px solid rgba(245, 158, 11, 0.2);
    font-size: 1rem;
    display: flex;
    align-items: flex-start;
}

.selection-methods ul li:last-child {
    border-bottom: none;
}

.selection-methods ul li::before {
    content: '⌨️';
    position: absolute;
    left: 8px;
    font-size: 1.3rem;
    top: 13px;
    width: 25px;
    text-align: center;
}

.selection-methods ul li strong {
    color: #92400e;
    font-weight: 700;
    margin-right: 8px;
    min-width: fit-content;
}





.statusbar-functions {
    background: linear-gradient(135deg, #ecfdf5 0%, #d1fae5 100%);
    padding: 25px;
    border-radius: 12px;
    margin: 25px 0;
    border-left: 5px solid #10b981;
}

.statusbar-functions h4 {
    color: #065f46;
    margin-bottom: 20px;
    font-size: 1.3rem;
    font-weight: 600;
}

.statusbar-functions ul {
    list-style: none;
    padding: 0;
}

.statusbar-functions ul li {
    padding: 15px 0;
    color: #047857;
    position: relative;
    padding-left: 40px;
    line-height: 1.6;
    border-bottom: 1px solid rgba(16, 185, 129, 0.2);
    font-size: 1rem;
    display: flex;
    align-items: flex-start;
}

.statusbar-functions ul li:last-child {
    border-bottom: none;
}

.statusbar-functions ul li::before {
    content: '🖱️';
    position: absolute;
    left: 8px;
    font-size: 1.3rem;
    top: 13px;
    width: 25px;
    text-align: center;
}

.statusbar-functions ul li strong {
    color: #065f46;
    font-weight: 700;
    margin-right: 8px;
    min-width: fit-content;
}





.troubleshooting-tip {
    background: white;
    padding: 25px;
    border-radius: 12px;
    box-shadow: 0 3px 10px rgba(0, 0, 0, 0.05);
}

.troubleshooting-tip h4 {
    color: #2d3748;
    margin-bottom: 15px;
    font-size: 1.2rem;
}

.troubleshooting-tip p {
    color: #718096;
    margin-bottom: 15px;
    line-height: 1.6;
}

.troubleshooting-tip ul {
    list-style: none;
    padding: 0;
}

.troubleshooting-tip ul li {
    padding: 8px 0;
    color: #718096;
    position: relative;
    padding-left: 25px;
}

.troubleshooting-tip ul li::before {
    content: '▶';
    color: #2c5aa0;
    position: absolute;
    left: 0;
    font-size: 0.8rem;
}

/* 帮助链接样式 */
.troubleshooting-tip ul li a {
    color: #2563eb;
    text-decoration: none;
    font-weight: 500;
    padding: 2px 6px;
    border-radius: 4px;
    transition: all 0.3s ease;
    background: linear-gradient(135deg, rgba(37, 99, 235, 0.1) 0%, rgba(59, 130, 246, 0.1) 100%);
    border: 1px solid rgba(37, 99, 235, 0.2);
}

.troubleshooting-tip ul li a:hover {
    color: #1d4ed8;
    background: linear-gradient(135deg, rgba(37, 99, 235, 0.15) 0%, rgba(59, 130, 246, 0.15) 100%);
    border-color: rgba(37, 99, 235, 0.3);
    transform: translateY(-1px);
    box-shadow: 0 2px 8px rgba(37, 99, 235, 0.2);
}

.troubleshooting-tip ul li a:active {
    transform: translateY(0);
    box-shadow: 0 1px 4px rgba(37, 99, 235, 0.2);
}



/* 更新日志页面样式 */
.changelog-hero {
    padding: 120px 0 80px;
    background: linear-gradient(135deg, #667eea 0%, #764ba2 100%);
    color: white;
    text-align: center;
}

.changelog-hero h1 {
    font-size: 3rem;
    margin-bottom: 20px;
    font-weight: bold;
}

.changelog-subtitle {
    font-size: 1.2rem;
    margin-bottom: 40px;
    opacity: 0.9;
}

.changelog-stats {
    display: flex;
    justify-content: center;
    gap: 60px;
    margin-top: 40px;
}

.changelog-stats .stat-item {
    text-align: center;
}

.changelog-stats .stat-number {
    display: block;
    font-size: 2.5rem;
    font-weight: bold;
    color: #fff;
    margin-bottom: 5px;
}

.changelog-stats .stat-label {
    font-size: 0.9rem;
    opacity: 0.8;
}

.changelog-content {
    padding: 80px 0;
    background: #f8fafc;
}

.version-block {
    background: white;
    border-radius: 15px;
    margin-bottom: 40px;
    box-shadow: 0 5px 15px rgba(0, 0, 0, 0.08);
    overflow: hidden;
    transition: all 0.3s ease;
}

.version-block:hover {
    transform: translateY(-3px);
    box-shadow: 0 15px 35px rgba(0, 0, 0, 0.12);
}

.version-header {
    background: linear-gradient(135deg, #f8fafc 0%, #e2e8f0 100%);
    padding: 30px;
    border-bottom: 1px solid #e2e8f0;
}

.version-info {
    display: flex;
    align-items: center;
    gap: 20px;
    margin-bottom: 15px;
    flex-wrap: wrap;
}

.version-number {
    font-size: 1.8rem;
    font-weight: bold;
    color: #2c5aa0;
    margin: 0;
}

.version-date {
    background: #e2e8f0;
    color: #4a5568;
    padding: 5px 15px;
    border-radius: 20px;
    font-size: 0.9rem;
    font-weight: 500;
}

.version-tag {
    padding: 5px 15px;
    border-radius: 20px;
    font-size: 0.8rem;
    font-weight: 600;
    text-transform: uppercase;
}

.version-tag.current {
    background: #10b981;
    color: white;
}

.version-tag:not(.current) {
    background: #3b82f6;
    color: white;
}

.version-summary p {
    color: #718096;
    font-size: 1.1rem;
    margin: 0;
    line-height: 1.6;
}

.changelog-categories {
    padding: 30px;
}

.changelog-category {
    margin-bottom: 35px;
}

.changelog-category:last-child {
    margin-bottom: 0;
}

.category-title {
    color: #2d3748;
    font-size: 1.3rem;
    font-weight: 600;
    margin-bottom: 20px;
    padding-bottom: 10px;
    border-bottom: 2px solid #e2e8f0;
}

.changelog-list {
    list-style: none;
    padding: 0;
}

.changelog-list li {
    padding: 12px 0;
    color: #4a5568;
    position: relative;
    padding-left: 30px;
    line-height: 1.6;
    border-bottom: 1px solid #f7fafc;
}

.changelog-list li:last-child {
    border-bottom: none;
}

.changelog-list li::before {
    content: '•';
    color: #2c5aa0;
    position: absolute;
    left: 8px;
    font-size: 1.2rem;
    top: 12px;
    font-weight: bold;
}

.more-versions {
    background: linear-gradient(135deg, #fef3c7 0%, #fde68a 100%);
    padding: 40px;
    border-radius: 15px;
    text-align: center;
    border-left: 5px solid #f59e0b;
    margin-top: 40px;
}

.more-versions h3 {
    color: #92400e;
    font-size: 1.5rem;
    margin-bottom: 15px;
}

.more-versions p {
    color: #78350f;
    margin-bottom: 25px;
    font-size: 1.1rem;
}

/* 页脚 */
.footer {
    background: #2d3748;
    color: white;
    padding: 60px 0 20px;
}

.footer-content {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(250px, 1fr));
    gap: 40px;
    margin-bottom: 40px;
}

.footer-section h4 {
    font-size: 1.2rem;
    margin-bottom: 20px;
    color: #fff;
}

.footer-section p {
    color: #a0aec0;
    margin-bottom: 15px;
}

.footer-section ul {
    list-style: none;
}

.footer-section ul li {
    margin-bottom: 10px;
}

.footer-section ul li a {
    color: #a0aec0;
    text-decoration: none;
    transition: all 0.3s ease;
    padding: 2px 4px;
    border-radius: 3px;
}

.footer-section ul li a:hover {
    color: #fff;
    background: rgba(255, 255, 255, 0.1);
    transform: translateX(3px);
}

.footer-social {
    display: flex;
    gap: 15px;
    margin-top: 15px;
}

.footer-social a {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    width: 40px;
    height: 40px;
    background: #4a5568;
    border-radius: 50%;
    text-decoration: none;
    font-size: 1.2rem;
    transition: all 0.3s ease;
    box-shadow: 0 2px 4px rgba(0, 0, 0, 0.1);
}

.footer-social a:hover {
    background: #2c5aa0;
    transform: translateY(-3px);
    box-shadow: 0 4px 12px rgba(44, 90, 160, 0.3);
}

.footer-social a:active {
    transform: translateY(-1px);
    box-shadow: 0 2px 6px rgba(44, 90, 160, 0.3);
}

.btn-donate {
    background: #ff6b6b;
    color: white;
    border: none;
    padding: 12px 25px;
    border-radius: 25px;
    font-size: 0.9rem;
    cursor: pointer;
    transition: all 0.3s ease;
}

.btn-donate:hover {
    background: #ff5252;
    transform: translateY(-2px);
}

.footer-bottom {
    border-top: 1px solid #4a5568;
    padding-top: 20px;
    text-align: center;
    color: #a0aec0;
}

.footer-bottom p {
    margin-bottom: 5px;
}

/* 移动端导航菜单样式 */
.nav-menu.active {
    display: flex;
    position: fixed;
    top: 70px;
    left: 0;
    width: 100%;
    height: calc(100vh - 70px);
    background: rgba(255, 255, 255, 0.98);
    backdrop-filter: blur(10px);
    flex-direction: column;
    justify-content: flex-start;
    align-items: center;
    padding-top: 50px;
    z-index: 999;
}

.nav-menu.active li {
    margin: 20px 0;
}

.nav-menu.active a {
    font-size: 1.2rem;
    padding: 10px 20px;
}

.nav-toggle.active span:nth-child(1) {
    transform: rotate(-45deg) translate(-5px, 6px);
}

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

.nav-toggle.active span:nth-child(3) {
    transform: rotate(45deg) translate(-5px, -6px);
}

/* PC端优化样式 */
@media (min-width: 769px) {
    .tutorial-card ul li {
        align-items: center;
    }

    .selection-methods ul li {
        align-items: center;
    }

    .statusbar-functions ul li {
        align-items: center;
    }

    .tutorial-card ul li strong {
        display: inline;
    }

    .selection-methods ul li strong {
        display: inline;
    }

    .statusbar-functions ul li strong {
        display: inline;
    }

    /* 使用技巧PC端优化 */
    .tip-card ul li {
        align-items: center;
    }
}

/* 响应式设计 */
@media (max-width: 768px) {
    .nav-menu {
        display: none;
    }

    .nav-toggle {
        display: flex;
    }
    
    .hero-container {
        grid-template-columns: 1fr;
        text-align: center;
        gap: 40px;
    }
    
    .hero-title {
        font-size: 2.5rem;
    }
    
    .hero-buttons {
        justify-content: center;
        flex-wrap: wrap;
    }
    
    .features-grid {
        grid-template-columns: 1fr;
    }
    
    .download-content {
        grid-template-columns: 1fr;
        text-align: center;
    }
    
    .tutorial-grid {
        grid-template-columns: 1fr;
    }
    
    .community-grid {
        grid-template-columns: 1fr;
    }
    
    .about-content {
        grid-template-columns: 1fr;
        text-align: center;
    }
    
    .about-stats {
        justify-content: center;
    }
    
    .footer-content {
        grid-template-columns: 1fr;
        text-align: center;
    }
    
    .qq-groups {
        justify-content: center;
    }
}

@media (max-width: 480px) {
    .container {
        padding: 0 15px;
    }

    .hero {
        padding: 100px 0 60px;
    }

    .hero-title {
        font-size: 2rem;
    }

    .section-title {
        font-size: 2rem;
    }

    .features,
    .download,
    .tutorial,
    .community,
    .about {
        padding: 60px 0;
    }

    .btn {
        padding: 12px 20px;
        font-size: 14px;
    }

    .btn-download {
        padding: 15px 30px;
        font-size: 1rem;
    }

    /* 教程页面移动端适配 */
    .tutorial-hero {
        padding: 100px 0 60px;
    }

    .tutorial-hero h1 {
        font-size: 2rem;
    }

    .tutorial-nav {
        flex-direction: column;
        align-items: center;
    }

    .tutorial-nav-link {
        margin-bottom: 10px;
        width: 200px;
        text-align: center;
    }

    .tutorial-step {
        flex-direction: column;
        text-align: center;
    }

    .step-number {
        margin: 0 auto 20px;
    }

    .feature-grid {
        grid-template-columns: 1fr;
    }

    .tutorial-section {
        padding: 60px 0;
    }



    .selection-methods {
        padding: 20px;
    }

    .selection-methods ul li {
        padding-left: 35px;
        font-size: 0.9rem;
        flex-direction: column;
        align-items: flex-start;
        padding-top: 15px;
        padding-bottom: 15px;
    }

    .selection-methods ul li::before {
        left: 8px;
        top: 18px;
        font-size: 1.1rem;
    }

    .statusbar-functions {
        padding: 20px;
    }

    .statusbar-functions ul li {
        padding-left: 35px;
        font-size: 0.9rem;
        flex-direction: column;
        align-items: flex-start;
        padding-top: 15px;
        padding-bottom: 15px;
    }

    .statusbar-functions ul li::before {
        left: 8px;
        top: 18px;
        font-size: 1.1rem;
    }

    .tutorial-card ul li {
        padding-left: 30px;
        flex-direction: column;
        align-items: flex-start;
    }

    .tutorial-card ul li::before {
        left: 5px;
        top: 14px;
    }



    /* 更新日志移动端适配 */
    .changelog-hero {
        padding: 100px 0 60px;
    }

    .changelog-hero h1 {
        font-size: 2rem;
    }

    .changelog-stats {
        flex-direction: column;
        gap: 30px;
    }

    .changelog-content {
        padding: 60px 0;
    }

    .version-header {
        padding: 25px;
    }

    .version-info {
        flex-direction: column;
        align-items: flex-start;
        gap: 10px;
    }

    .version-number {
        font-size: 1.5rem;
    }

    .changelog-categories {
        padding: 25px;
    }

    .complete-history .history-toggle {
        padding: 20px;
    }

    .complete-history .history-summary {
        padding: 0 20px 20px;
    }

    .complete-changelog {
        padding: 0 20px 30px;
    }

    .compact-item .date {
        width: 100px;
        font-size: 0.8rem;
    }

    .compact-item .content {
        font-size: 0.85rem;
        margin-left: 15px;
    }

    .external-docs {
        padding: 20px;
    }

    .doc-links {
        flex-direction: column;
    }

    /* 移动端图片样式调整 */
    .tutorial-img-large {
        width: 100%;
        max-width: 400px;
        margin: 10px 0;
    }

    .tutorial-img-medium {
        width: 100%;
        max-width: 350px;
        margin: 8px 0;
    }

    .tutorial-img-small {
        width: 100%;
        max-width: 200px;
        margin: 10px 0;
    }
}

/* 完整更新历史样式 */
.complete-history {
    margin-top: 60px;
    background: #f8fafc;
    border-radius: 15px;
    overflow: hidden;
}

.history-toggle {
    padding: 30px 40px;
    background: #f8fafc;
    cursor: pointer;
    display: flex;
    justify-content: space-between;
    align-items: center;
    transition: all 0.3s ease;
    border-bottom: 1px solid #e2e8f0;
}

.history-toggle:hover {
    background: #edf2f7;
}

.history-toggle h3 {
    color: #2d3748;
    margin: 0;
    font-size: 1.8rem;
}

.toggle-icon {
    font-size: 1.2rem;
    color: #2c5aa0;
    transition: transform 0.3s ease;
}

.toggle-icon.rotated {
    transform: rotate(180deg);
}

.history-summary {
    padding: 0 40px 30px;
    color: #718096;
    margin: 0;
    font-size: 1.1rem;
}

.complete-changelog {
    padding: 0 40px 40px;
}

.compact-version {
    margin-bottom: 40px;
}

.compact-version h4 {
    color: #2c5aa0;
    font-size: 1.3rem;
    margin-bottom: 20px;
    padding-bottom: 10px;
    border-bottom: 2px solid #e2e8f0;
}

.compact-updates {
    display: grid;
    gap: 8px;
}

.compact-item {
    display: flex;
    align-items: flex-start;
    padding: 12px 0;
    border-bottom: 1px solid #f1f5f9;
}

.compact-item:last-child {
    border-bottom: none;
}

.compact-item .date {
    flex-shrink: 0;
    width: 120px;
    font-size: 0.85rem;
    color: #64748b;
    font-weight: 500;
}

.compact-item .content {
    flex: 1;
    color: #475569;
    font-size: 0.9rem;
    line-height: 1.5;
    margin-left: 20px;
}

.external-docs {
    margin-top: 40px;
    padding: 30px;
    background: white;
    border-radius: 12px;
    border: 1px solid #e2e8f0;
}

.external-docs h4 {
    color: #2d3748;
    margin-bottom: 15px;
    font-size: 1.2rem;
}

.external-docs p {
    color: #718096;
    margin-bottom: 20px;
}

.doc-links {
    display: flex;
    gap: 15px;
    flex-wrap: wrap;
}

.btn-outline {
    background: transparent;
    border: 2px solid #2c5aa0;
    color: #2c5aa0;
    padding: 10px 20px;
    border-radius: 8px;
    text-decoration: none;
    font-weight: 600;
    transition: all 0.3s ease;
}

.btn-outline:hover {
    background: #2c5aa0;
    color: white;
}

/* 外部文档链接样式 */
.doc-links .btn-outline {
    display: inline-flex;
    align-items: center;
    gap: 8px;
    padding: 12px 20px;
    border-radius: 8px;
    font-weight: 600;
    transition: all 0.3s ease;
    box-shadow: 0 2px 4px rgba(44, 90, 160, 0.1);
}

.doc-links .btn-outline:hover {
    transform: translateY(-2px);
    box-shadow: 0 4px 12px rgba(44, 90, 160, 0.2);
}

.doc-links .btn-outline::after {
    content: '↗';
    font-size: 0.9rem;
    opacity: 0.7;
    margin-left: 4px;
}