/* 基础样式重置 */
* {
    margin: 0;
    padding: 0;
    box-sizing: border-box;
}

a{
    text-decoration: none;
}

body {
    font-family: 'Arial', sans-serif;
    line-height: 1.6;
    color: #333;
}

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

/* 导航条样式 */
.navbar {
    background-color: #f38181;
    position: fixed;
    top: 0;
    width: 100%;
    z-index: 1000;
    box-shadow: 0 2px 10px rgba(0,0,0,0.1);
}

.nav-container {
    display: flex;
    justify-content: space-between;
    align-items: center;
    padding: 1rem 2rem;
}

.nav-logo h2 {
    color: #fff;
    font-size: 1.8rem;
}

.nav-menu {
    display: flex;
    list-style: none;
    gap: 2rem;
}

.nav-link {
    color: #fff;
    text-decoration: none;
    font-weight: 500;
    transition: color 0.3s ease;
}

.nav-link:hover {
    color: #eaffd0;
}

/* 通用区域样式 */
.section {
    padding: 100px 0;
    min-height: 100vh;
    display: flex;
    align-items: center;
}

/* 首页区域 - 覆盖通用设置 */
.home-section {
    background: linear-gradient(135deg, #95e1d3 0%, #fce38a 100%);
    text-align: center;
    color: white;
    min-height: 70vh;
    padding: 80px 0;
}

.section-title {
    text-align: center;
    font-size: 2.5rem;
    margin-bottom: 3rem;
    color: #333;
}

.home-content h1 {
    font-size: 2.5rem;
    margin-bottom: 1rem;
}

.home-content p {
    font-size: 1.1rem;
    margin-bottom: 2rem;
    opacity: 0.9;
}

.cta-button {
    background-color: #f38181;
    color: #fff;
    border: none;
    padding: 12px 25px;
    font-size: 1rem;
    border-radius: 50px;
    cursor: pointer;
    transition: all 0.3s ease;
}

.cta-button:hover {
    background-color: #e06b6b;
    transform: translateY(-2px);
}

/* 功能区域 */
.features-section {
    background-color: #eaffd0;
}

.features-grid {
    display: grid;
    grid-template-columns: repeat(4, 1fr);
    gap: 2rem;
}

/* 功能区域图标样式 */
.feature-icon {
    font-size: 3rem;
    margin-bottom: 1rem;
    display: flex;
    justify-content: center;
    align-items: center;
    height: 80px;
    background: linear-gradient(135deg, #f38181, #fce38a);
    border-radius: 50%;
    width: 80px;
    margin: 0 auto 1.5rem;
    box-shadow: 0 4px 15px rgba(243, 129, 129, 0.3);
}

.feature-card {
    background: white;
    padding: 2rem;
    border-radius: 10px;
    text-align: center;
    box-shadow: 0 5px 15px rgba(0,0,0,0.1);
    transition: transform 0.3s ease;
    display: flex;
    flex-direction: column;
    align-items: center;
}

.feature-card:hover {
transform: translateY(-5px);
}

.feature-card h3 {
    color: #f38181;
    margin-bottom: 1rem;
    font-size: 1.3rem;
}
.feature-card p {
    color: #666;
    line-height: 1.6;
}

/* 资源区域 */
.resources-section {
    background-color: #fce38a;
}

.resources-grid {
display: grid;
    grid-template-columns: repeat(4, 1fr);
    gap: 2rem;
}

/* 资源区域图标样式 */
.resource-icon {
    font-size: 3rem;
    margin-bottom: 1rem;
    display: flex;
    justify-content: center;
    align-items: center;
    height: 80px;
    background: linear-gradient(135deg, #95e1d3, #eaffd0);
border-radius: 50%;
    width: 80px;
    margin: 0 auto 1.5rem;
    box-shadow: 0 4px 15px rgba(149, 225, 211, 0.3);
}

.resource-card {
    background: white;
    padding: 2rem;
    border-radius: 10px;
    text-align: center;
    box-shadow: 0 5px 15px rgba(0,0,0,0.1);
    display: flex;
    flex-direction: column;
    align-items: center;
}

.resource-card h3 {
    color: #95e1d3;
    margin-bottom: 1rem;
    font-size: 1.3rem;
}

.resource-card p {
    color: #666;
    line-height: 1.6;
}

/* 定价区域 */
.pricing-section {
    background-color: #f38181;
    color: white;
}

.pricing-grid {
    display: grid;
    grid-template-columns: repeat(3, minmax(350px, 1fr));
    gap: 2.5rem;
    justify-content: center;
}

.pricing-card {
    background: rgba(255,255,255,0.1);
    padding: 2.5rem;
    border-radius: 15px;
    text-align: center;
    backdrop-filter: blur(10px);
    min-height: 450px;
    display: flex;
    flex-direction: column;
    justify-content: space-between;
}

.pricing-card.featured {
    background: rgba(255,255,255,0.2);
    transform: scale(1.05);
    padding: 3rem 2.5rem;
}

.price {
font-size: 2.5rem;
    font-weight: bold;
    margin: 1.5rem 0;
    color: #eaffd0;
}

.pricing-card ul {
    list-style: none;
    margin: 2rem 0;
    padding: 0;
}

.pricing-card li {
    margin: 0.8rem 0;
    padding: 0.5rem 0;
    border-bottom: 1px solid rgba(255,255,255,0.1);
}

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

.pricing-button {
    background-color: #fce38a;
    color: #333;
    border: none;
    padding: 15px 30px;
    border-radius: 25px;
    cursor: pointer;
    transition: all 0.3s ease;
    font-size: 1.1rem;
    font-weight: bold;
    margin-top: auto;
}

.pricing-button:hover {
    background-color: #eaffd0;
    transform: translateY(-2px);
}

/* 联系区域 */
.contact-section {
    background-color: #95e1d3;
}

.contact-content {
    display: grid;
    grid-template-columns: minmax(500px, 1fr) minmax(400px, 1fr);
    gap: 3rem;
    align-items: start;
    justify-content: center;
}

.contact-form {
    background: white;
    padding: 2.5rem;
    border-radius: 15px;
    box-shadow: 0 8px 25px rgba(0,0,0,0.15);
    min-height: 500px;
    display: flex;
    flex-direction: column;
}

.contact-form h3 {
    color: #f38181;
    margin-bottom: 2rem;
    text-align: center;
    font-size: 1.8rem;
}

/* 表单提示信息样式 */
.form-message {
    padding: 1rem;
    border-radius: 8px;
    margin-bottom: 1.5rem;
    font-weight: 500;
    text-align: center;
    transition: all 0.3s ease;
}

.form-message.success {
    background-color: #d4edda;
    color: #155724;
    border: 1px solid #c3e6cb;
}

.form-message.error {
    background-color: #f8d7da;
    color: #721c24;
    border: 1px solid #f5c6cb;
}

.form-group {
    margin-bottom: 1.8rem;
}

.form-group input,
.form-group textarea {
    width: 100%;
    padding: 15px;
    border: 2px solid #e0e0e0;
    border-radius: 8px;
    font-size: 1rem;
    transition: all 0.3s ease;
}

.form-group input:focus,
.form-group textarea:focus {
    outline: none;
    border-color: #fce38a;
    box-shadow: 0 0 0 3px rgba(252, 227, 138, 0.2);
}

.submit-button {
    background-color: #f38181;
    color: white;
    border: none;
    padding: 15px 30px;
    border-radius: 8px;
    cursor: pointer;
    width: 100%;
    font-size: 1.1rem;
    font-weight: bold;
    transition: all 0.3s ease;
    margin-top: auto;
}

.submit-button:hover {
    background-color: #e06b6b;
    transform: translateY(-2px);
}

.contact-info {
    background: white;
    padding: 2.5rem;
    border-radius: 15px;
    box-shadow: 0 8px 25px rgba(0,0,0,0.15);
    min-height: 500px;
}

.contact-info h3 {
    color: #95e1d3;
    margin-bottom: 2rem;
    text-align: center;
    font-size: 1.8rem;
}

.contact-item {
    margin-bottom: 2rem;
    padding-bottom: 1.5rem;
    border-bottom: 2px solid #f0f0f0;
}

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

.contact-item h4 {
    color: #f38181;
    margin-bottom: 0.8rem;
    font-size: 1.2rem;
}

.contact-item p {
    color: #666;
    font-size: 1.1rem;
    line-height: 1.6;
}

/* 页脚样式 */
.footer {
    background-color: #333;
    color: white;
    text-align: center;
    padding: 2rem 0;
}

/* whatsnew页面样式 */
.whatsnew-hero {
    background: linear-gradient(135deg, #95e1d3 0%, #fce38a 100%);
    text-align: center;
    color: white;
    padding: 100px 0;
    min-height: 50vh;
display: flex;
    align-items: center;
}

.whatsnew-hero h1 {
    font-size: 3rem;
    margin-bottom: 1rem;
}

.whatsnew-hero p {
    font-size: 1.2rem;
    margin-bottom: 2rem;
    opacity: 0.9;
}

.whatsnew-section {
    padding: 80px 0;
    display: flex;
    flex-direction: column;
    align-items: center;
    justify-content: center;
    text-align: center;
}

.whatsnew-section .container {
    display: flex;
    flex-direction: column;
    align-items: center;
    justify-content: center;
    width: 100%;
}

.whatsnew-section .section-title {
    text-align: center;
}

/* 下载页面样式 */
.download-hero {
    background: linear-gradient(135deg, #95e1d3 0%, #fce38a 100%);
    text-align: center;
    color: white;
    padding: 100px 0;
    min-height: 40vh;
    display: flex;
    align-items: center;
}

.download-hero h1 {
    font-size: 3rem;
    margin-bottom: 1rem;
}

.download-hero p {
    font-size: 1.2rem;
    margin-bottom: 2rem;
    opacity: 0.9;
}

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

.download-section.mac-section {
    background-color: #f8f9fa;
}

.download-platform {
    text-align: center;
    margin-bottom: 3rem;
}

.platform-icon {
    font-size: 4rem;
    margin-bottom: 1.5rem;
}

.platform-description {
    font-size: 1.1rem;
    color: #666;
    margin-bottom: 2rem;
}

.download-grid {
    display: grid;
    grid-template-columns: repeat(2, minmax(300px, 1fr));
    gap: 2.5rem;
    margin-top: 2rem;
}

.download-card {
    background: white;
    padding: 2.5rem;
    border-radius: 15px;
    box-shadow: 0 8px 25px rgba(0,0,0,0.1);
    transition: transform 0.3s ease, box-shadow 0.3s ease;
    text-align: center;
}

.download-card:hover {
    transform: translateY(-5px);
    box-shadow: 0 12px 30px rgba(0,0,0,0.15);
}

.download-card h3 {
    color: #f38181;
    margin-bottom: 1.5rem;
    font-size: 1.5rem;
    font-weight: 600;
}

.file-info {
    background: #f8f9fa;
    padding: 1.5rem;
    border-radius: 8px;
    margin-bottom: 1.5rem;
    text-align: left;
}

.file-info p {
    margin: 0.5rem 0;
    color: #666;
}

.download-button {
    background: linear-gradient(135deg, #f38181, #e06b6b);
    color: white;
    border: none;
    padding: 1rem 2rem;
    border-radius: 8px;
    font-size: 1.1rem;
    font-weight: 600;
    cursor: pointer;
    transition: all 0.3s ease;
    width: 100%;
    margin-bottom: 1.5rem;
}

.download-button:hover {
    transform: translateY(-2px);
    box-shadow: 0 5px 15px rgba(240, 128, 129, 0.4);
}

.windows-download {
    background: linear-gradient(135deg, #0078d7, #005a9e);
}

.mac-download {
    background: linear-gradient(135deg, #007aff, #0056b3);
}

.system-requirements {
    text-align: left;
    border-top: 1px solid #eee;
    padding-top: 1.5rem;
}

.system-requirements h4 {
    color: #333;
    margin-bottom: 1rem;
    font-size: 1.1rem;
}

.system-requirements ul {
    list-style: none;
    padding: 0;
}

.system-requirements li {
    margin: 0.5rem 0;
    padding-left: 1.2rem;
    position: relative;
    color: #666;
}

.system-requirements li:before {
    content: "•";
    color: #95e1d3;
    font-weight: bold;
    position: absolute;
    left: 0;
}

/* 安装指南区域 */
.install-guide-section {
    background-color: #eaffd0;
    padding: 80px 0;
}

.guide-grid {
    display: grid;
    grid-template-columns: repeat(3, minmax(250px, 1fr));
    gap: 2rem;
    margin-top: 3rem;
}

.guide-card {
    background: white;
    padding: 2rem;
    border-radius: 12px;
    box-shadow: 0 6px 20px rgba(0,0,0,0.08);
    text-align: center;
}

.guide-icon {
    font-size: 3rem;
    margin-bottom: 1rem;
}

.guide-card h3 {
    color: #f38181;
    margin-bottom: 1.5rem;
    font-size: 1.3rem;
}

.guide-card ol {
    text-align: left;
    padding-left: 1.5rem;
    color: #666;
}

.guide-card li {
    margin: 0.8rem 0;
    line-height: 1.5;
}

/* 常见问题区域 */
.faq-section {
    padding: 80px 0;
}

.faq-grid {
    display: grid;
    grid-template-columns: repeat(2, minmax(300px, 1fr));
    gap: 2rem;
    margin-top: 3rem;
}

.faq-card {
    background: white;
    padding: 2rem;
    border-radius: 12px;
    box-shadow: 0 6px 20px rgba(0,0,0,0.08);
}

.faq-card h3 {
    color: #f38181;
    margin-bottom: 1rem;
    font-size: 1.2rem;
}

.faq-card p {
    color: #666;
    line-height: 1.6;
}

/* 下载页面响应式设计 */
@media (max-width: 768px) {
    .download-hero h1 {
        font-size: 2.5rem;
    }
    
    .download-grid {
        grid-template-columns: 1fr;
        gap: 2rem;
    }
    
    .guide-grid {
        grid-template-columns: 1fr;
        gap: 1.5rem;
    }
    
    .faq-grid {
grid-template-columns: 1fr;
        gap: 1.5rem;
    }
    
    .download-card {
        padding: 2rem;
    }
.guide-card {
        padding: 1.5rem;
    }
    
    .faq-card {
        padding: 1.5rem;
    }
}

@media (max-width: 576px) {
    .download-hero {
        padding: 80px 0;
        min-height: 30vh;
    }
    
    .download-hero h1 {
        font-size: 2rem;
    }
    
    .download-section {
        padding: 60px 0;
    }
    
    .platform-icon {
        font-size: 3rem;
    }
}

.whatsnew-section .section-title {
    text-align: center;
    margin-bottom: 3rem;
    width: 100%;
}

.whatsnew-grid {
    display: grid;
    grid-template-columns: repeat(3, minmax(320px, 1fr));
    gap: 2.5rem;
    margin-top: 3rem;
    justify-items: center;
    width: 100%;
    max-width: 1200px;
}

.whatsnew-card {
    background: white;
    padding: 2.8rem;
    border-radius: 15px;
    box-shadow: 0 8px 25px rgba(0,0,0,0.1);
    transition: transform 0.3s ease, box-shadow 0.3s ease;
    min-height: 340px;
    display: flex;
    flex-direction: column;
    justify-content: center;
    align-items: center;
    width: 100%;
    max-width: 350px;
    text-align: center;
}

.whatsnew-card:hover {
    transform: translateY(-5px);
    box-shadow: 0 12px 30px rgba(0,0,0,0.15);
}

.whatsnew-icon {
    font-size: 3.2rem;
    margin-bottom: 1.8rem;
    display: flex;
    justify-content: center;
    align-items: center;
    height: 90px;
    background: linear-gradient(135deg, #f38181, #fce38a);
    border-radius: 50%;
    width: 90px;
    margin: 0 auto 1.8rem;
}

.whatsnew-card h3 {
    color: #f38181;
    margin-bottom: 1.2rem;
    font-size: 1.6rem;
    text-align: center;
    font-weight: 600;
    width: 100%;
}

.whatsnew-card ul {
    list-style: none;
    padding: 0;
    margin: 1.8rem 0;
    width: 100%;
    display: flex;
    flex-direction: column;
    align-items: center;
}
.whatsnew-card li {
    margin: 0.9rem 0;
    padding-left: 1.8rem;
    position: relative;
    color: #666;
    line-height: 1.6;
    font-size: 1.05rem;
    text-align: left;
    width: 100%;
    max-width: 280px;
}

.whatsnew-card li:before {
    content: "✓";
    color: #95e1d3;
    font-weight: bold;
    position: absolute;
    left: 0;
    font-size: 1.3rem;
}

.highlight-section {
    background-color: #eaffd0;
    display: flex;
    flex-direction: column;
    align-items: center;
    justify-content: center;
    text-align: center;
}

/* 技术规格区域特殊样式 */
.tech-specs-section .whatsnew-grid {
    display: grid;
    grid-template-columns: repeat(4, minmax(260px, 1fr));
    gap: 1.8rem;
    margin-top: 3rem;
    justify-items: center;
    width: 100%;
    max-width: 1200px;
}

.tech-specs-section .whatsnew-card {
    background: white;
    padding: 2.2rem;
    border-radius: 12px;
    box-shadow: 0 6px 20px rgba(0,0,0,0.08);
    transition: transform 0.3s ease, box-shadow 0.3s ease;
    min-height: 280px;
    display: flex;
    flex-direction: column;
    justify-content: center;
    align-items: center;
    width: 100%;
    max-width: 280px;
    text-align: center;
}

.tech-specs-section .whatsnew-card:hover {
    transform: translateY(-3px);
    box-shadow: 0 8px 25px rgba(0,0,0,0.12);
}

.tech-specs-section .whatsnew-card h3 {
    color: #95e1d3;
    margin-bottom: 1rem;
    font-size: 1.4rem;
}
 /* 下载平台区域样式 - 一行两列带边框 */
/* 下载平台区域样式 - 功能卡一行两列带边框 */
.download-platforms-section {
    padding: 80px 0;
    background-color: #f8f9fa;
}

.platforms-container {
    display: grid;
    grid-template-columns: repeat(2, minmax(500px, 1fr));
    gap: 3rem;
    margin-top: 3rem;
    justify-items: center;
    max-width: 1200px;
    margin-left: auto;
    margin-right: auto;
}

.platform-card {
    background: white;
    border: 3px solid #e0e0e0;
    border-radius: 15px;
    box-shadow: 0 6px 20px rgba(0,0,0,0.08);
    transition: all 0.3s ease;
    overflow: hidden;
    width: 100%;
    max-width: 550px;
}

.platform-card:hover {
    transform: translateY(-5px);
    box-shadow: 0 10px 30px rgba(0,0,0,0.15);
    border-color: #95e1d3;
}

.card-header {
    background: linear-gradient(135deg, #f8f9fa, #e9ecef);
    padding: 2.5rem;
    text-align: center;
    border-bottom: 2px solid #e0e0e0;
}

.platform-icon {
    font-size: 4rem;
    margin-bottom: 1.2rem;
}

.card-header h3 {
    color: #333;
    margin-bottom: 0.8rem;
    font-size: 2rem;
    font-weight: 600;
}

.platform-desc {
    color: #666;
    font-size: 1.2rem;
    line-height: 1.5;
}

.card-content {
    padding: 2.5rem;
}

.version-grid {
    display: grid;
    grid-template-columns: 1fr;
    gap: 2rem;
}

.version-card {
    background: #f8f9fa;
    border: 2px solid #e0e0e0;
    border-radius: 12px;
    padding: 2rem;
    transition: all 0.3s ease;
}

.version-card:hover {
    background: white;
    border-color: #95e1d3;
    transform: translateY(-2px);
    box-shadow: 0 4px 12px rgba(0,0,0,0.1);
}

.version-card h4 {
    color: #f38181;
    margin-bottom: 1.2rem;
    font-size: 1.5rem;
    font-weight: 600;
    text-align: center;
}

.file-details {
    background: white;
    border: 1px solid #e0e0e0;
    border-radius: 8px;
    padding: 1.2rem;
    margin-bottom: 1.2rem;
}

.file-details p {
    margin: 0.4rem 0;
    color: #666;
    font-size: 1rem;
}

.download-btn {
    width: 100%;
    padding: 1rem 2rem;
    border: none;
    border-radius: 8px;
    font-size: 1.1rem;
    font-weight: 600;
    cursor: pointer;
    transition: all 0.3s ease;
    margin-bottom: 1.2rem;
    display: block; /* 确保按钮作为块级元素显示 */
    margin-left: auto; /* 自动左外边距 */
    margin-right: auto; /* 自动右外边距 */
    max-width: 300px; /* 限制最大宽度，避免过宽 */
}

.windows-btn {
    background: linear-gradient(135deg, #0078d7, #005a9e);
    color: white;
}

.windows-btn:hover {
    background: linear-gradient(135deg, #005a9e, #004578);
    transform: translateY(-2px);
    box-shadow: 0 4px 12px rgba(0,120,215,0.3);
}

.mac-btn {
    background: linear-gradient(135deg, #007aff, #0056b3);
    color: white;
}

.mac-btn:hover {
    background: linear-gradient(135deg, #0056b3, #00408a);
    transform: translateY(-2px);
    box-shadow: 0 4px 12px rgba(0,122,255,0.3);
}

.requirements {
    border-top: 1px solid #ddd;
    padding-top: 1.2rem;
}

.requirements h5 {
    color: #333;
    margin-bottom: 0.8rem;
    font-size: 1.1rem;
    font-weight: 600;
}

.requirements ul {
    list-style: none;
    padding: 0;
    margin: 0;
}

.requirements li {
    margin: 0.4rem 0;
    padding-left: 1.2rem;
    position: relative;
    color: #666;
    font-size: 0.95rem;
    line-height: 1.5;
}

.requirements li:before {
    content: "•";
    color: #95e1d3;
    font-weight: bold;
    position: absolute;
    left: 0;
}

/* Windows平台特殊样式 */
.windows-card {
    border-left: 5px solid #0078d7;
}

.windows-card .card-header h3 {
    color: #0078d7;
}

.windows-card:hover {
    border-color: #0078d7;
}

/* Mac平台特殊样式 */
.mac-card {
    border-left: 5px solid #007aff;
}

.mac-card .card-header h3 {
    color: #007aff;
}

.mac-card:hover {
    border-color: #007aff;
}

/* 下载平台区域响应式设计 */
@media (max-width: 1400px) {
    .platforms-container {
        grid-template-columns: repeat(2, minmax(450px, 1fr));
        gap: 2.5rem;
        max-width: 1000px;
    }
    
    .platform-card {
        max-width: 480px;
    }
    
    .card-header {
        padding: 2.2rem;
    }
    
    .card-content {
        padding: 2.2rem;
    }
    
    .platform-icon {
        font-size: 3.5rem;
    }
    
    .card-header h3 {
        font-size: 1.8rem;
    }
    
    .platform-desc {
        font-size: 1.1rem;
    }
}

@media (max-width: 1200px) {
    .platforms-container {
        grid-template-columns: repeat(2, minmax(400px, 1fr));
        gap: 2rem;
        max-width: 900px;
    }
    
    .platform-card {
        max-width: 430px;
    }
    
    .card-header {
        padding: 2rem;
    }
    
    .card-content {
        padding: 2rem;
    }
    
    .version-card {
        padding: 1.8rem;
    }
    
    .version-card h4 {
        font-size: 1.3rem;
    }
}

@media (max-width: 992px) {
    .platforms-container {
        grid-template-columns: 1fr;
        gap: 2.5rem;
        max-width: 700px;
    }
    
    .platform-card {
        max-width: 600px;
    }
    
    .card-header {
        padding: 2.2rem;
    }
    
    .card-content {
        padding: 2.2rem;
    }
    
    .platform-icon {
        font-size: 3.5rem;
    }
    
    .card-header h3 {
        font-size: 1.8rem;
    }
}

@media (max-width: 768px) {
    .download-platforms-section {
        padding: 60px 0;
    }
    
    .platforms-container {
        gap: 2rem;
        max-width: 100%;
    }
    
    .platform-card {
        max-width: 100%;
    }
    
    .card-header {
        padding: 1.8rem;
    }
    
    .card-content {
        padding: 1.8rem;
    }
    
    .platform-icon {
        font-size: 3rem;
    }
    
    .card-header h3 {
        font-size: 1.6rem;
    }
    
    .platform-desc {
        font-size: 1.1rem;
    }
    
    .version-card {
        padding: 1.5rem;
    }
    
    .version-card h4 {
        font-size: 1.2rem;
    }
    
    .download-btn {
        padding: 0.9rem 1.8rem;
        font-size: 1rem;
    }
}

@media (max-width: 576px) {
    .download-platforms-section {
        padding: 40px 0;
    }
    
    .platform-card {
        border-width: 2px;
    }
    
    .card-header {
        padding: 1.5rem;
    }
    
    .card-content {
        padding: 1.5rem;
    }
    
    .version-card {
        padding: 1.2rem;
    }
    
    .download-btn {
        padding: 0.8rem 1.5rem;
        font-size: 0.95rem;
    }
    
    .platform-icon {
        font-size: 2.8rem;
    }
    
    .card-header h3 {
        font-size: 1.4rem;
    }
    
    .platform-desc {
        font-size: 1rem;
    }
    
    .version-card h4 {
        font-size: 1.1rem;
    }
    
    .file-details p {
        font-size: 0.9rem;
    }
    
    .requirements li {
        font-size: 0.9rem;
    }
}

.tech-specs-section .whatsnew-card ul {
    list-style: none;
    padding: 0;
    margin: 1.2rem 0;
    width: 100%;
    display: flex;
    flex-direction: column;
    align-items: center;
}

.tech-specs-section .whatsnew-card li {
    margin: 0.6rem 0;
    padding-left: 1.2rem;
    position: relative;
    color: #666;
    line-height: 1.5;
    font-size: 0.95rem;
    text-align: left;
    width: 100%;
    max-width: 220px;
}

.tech-specs-section .whatsnew-card li:before {
    content: "•";
    color: #f38181;
    font-weight: bold;
    position: absolute;
    left: 0;
    font-size: 1.1rem;
}

.highlight-section .whatsnew-grid {
    grid-template-columns: repeat(3, minmax(320px, 1fr));
    justify-items: center;
    max-width: 1200px;
}

.highlight-section .whatsnew-card {
    min-height: 360px;
    padding: 3rem;
    max-width: 360px;
}

.featured-card {
    background: linear-gradient(135deg, #f38181, #e06b6b);
    color: white;
    min-height: 360px;
    padding: 3rem;
    max-width: 360px;
}

.featured-card h3 {
    color: white;
    font-size: 1.8rem;
}

.featured-card li {
    color: rgba(255,255,255,0.95);
    font-size: 1.1rem;
}

.featured-card li:before {
    color: #fce38a;
    font-size: 1.4rem;
}

/* 响应式设计 */
@media (max-width: 1400px) {
    .whatsnew-grid {
        grid-template-columns: repeat(3, minmax(300px, 1fr));
        gap: 2.2rem;
        justify-items: center;
        max-width: 1100px;
    }
    
    .highlight-section .whatsnew-grid {
        grid-template-columns: repeat(3, minmax(300px, 1fr));
        max-width: 1100px;
    }
    
    .whatsnew-card {
        padding: 2.5rem;
        min-height: 320px;
        max-width: 320px;
    }
    
    .featured-card,
    .highlight-section .whatsnew-card {
        padding: 2.8rem;
        min-height: 340px;
        max-width: 340px;
    }
}

@media (max-width: 1200px) {
    .features-grid {
        grid-template-columns: repeat(2, 1fr);
        grid-template-rows: repeat(2, 1fr);
    }
    
    .resources-grid {
        grid-template-columns: repeat(2, 1fr);
    }
    
    .pricing-grid {
        grid-template-columns: repeat(2, minmax(300px, 1fr));
        gap: 2rem;
    }
    
    .contact-content {
        grid-template-columns: minmax(400px, 1fr) minmax(350px, 1fr);
        gap: 2.5rem;
    }
    
    .whatsnew-grid {
        grid-template-columns: repeat(2, minmax(320px, 1fr));
        gap: 2.2rem;
        justify-items: center;
        max-width: 800px;
    }
    .highlight-section .whatsnew-grid {
        grid-template-columns: repeat(2, minmax(320px, 1fr));
        max-width: 800px;
    }
    
    .whatsnew-card {
        max-width: 340px;
    }
    
    .highlight-section .whatsnew-card {
        max-width: 360px;
    }
    
    .pricing-card.featured {
        transform: none;
    }
}

@media (max-width: 992px) {
    .whatsnew-grid {
        grid-template-columns: repeat(2, minmax(280px, 1fr));
        gap: 2rem;
        justify-items: center;
        max-width: 700px;
    }
    
    .highlight-section .whatsnew-grid {
        grid-template-columns: repeat(2, minmax(280px, 1fr));
        max-width: 700px;
    }
    
    .whatsnew-card {
        padding: 2.2rem;
        min-height: 300px;
        max-width: 300px;
    }
    
    .featured-card,
    .highlight-section .whatsnew-card {
        padding: 2.5rem;
        min-height: 320px;
        max-width: 320px;
    }
    
    .whatsnew-icon {
        height: 80px;
        width: 80px;
        font-size: 2.8rem;
    }
    
    .whatsnew-card h3 {
        font-size: 1.5rem;
    }
}

@media (max-width: 768px) {
    .nav-menu {
        flex-direction: column;
        gap: 1rem;
    }
    
    .home-content h1 {
        font-size: 2rem;
    }
    
    .contact-content {
        grid-template-columns: 1fr;
        gap: 2rem;
    }
    .contact-form,
    .contact-info {
        min-height: auto;
        padding: 2rem;
    }
    
    .features-grid {
        grid-template-columns: 1fr;
        grid-template-rows: repeat(4, auto);
    }
    
    .resources-grid,
    .pricing-grid {
        grid-template-columns: 1fr;
    }
    
    .pricing-grid {
        grid-template-columns: minmax(280px, 1fr);
    }
    
    .pricing-card {
        padding: 2rem;
        min-height: auto;
    }
    
    .pricing-card.featured {
        transform: none;
        padding: 2rem;
    }
    
    .feature-card {
        min-height: auto;
        padding: 1.5rem;
    }
    
    .whatsnew-grid {
        grid-template-columns: 1fr;
        gap: 2rem;
        justify-items: center;
        max-width: 400px;
    }
    
    .highlight-section .whatsnew-grid {
        grid-template-columns: 1fr;
        max-width: 400px;
    }
    
    .whatsnew-card {
        min-height: auto;
        padding: 2.2rem;
        max-width: 380px;
    }
    
    .featured-card,
    .highlight-section .whatsnew-card {
        padding: 2.5rem;
        min-height: auto;
        max-width: 380px;
    }
    
    .whatsnew-hero h1 {
        font-size: 2.5rem;
    }
    
    .whatsnew-hero p {
        font-size: 1.1rem;
    }
    
    .whatsnew-icon {
        height: 75px;
        width: 75px;
        font-size: 2.6rem;
    }
    
    .whatsnew-card h3 {
        font-size: 1.4rem;
    }
    
    .whatsnew-card li {
        font-size: 1rem;
        max-width: 300px;
    }
}

@media (max-width: 576px) {
    .whatsnew-grid {
        grid-template-columns: 1fr;
        gap: 1.8rem;
        justify-items: center;
        max-width: 350px;
    }
    
    .highlight-section .whatsnew-grid {
        grid-template-columns: 1fr;
        max-width: 350px;
    }
    
    .whatsnew-card {
        padding: 2rem;
        min-height: auto;
        max-width: 320px;
    }
    
    .featured-card,
    .highlight-section .whatsnew-card {
        padding: 2.2rem;
        max-width: 320px;
    }
    
    .whatsnew-icon {
        height: 70px;
        width: 70px;
        font-size: 2.4rem;
    }
    
    .whatsnew-card h3 {
        font-size: 1.3rem;
    }
    
    .whatsnew-card li {
        font-size: 0.95rem;
        padding-left: 1.6rem;
        max-width: 280px;
    }
}