/* 全局样式 */
* {
    margin: 0;
    padding: 0;
    box-sizing: border-box;
}

body {
    font-family: 'Noto Sans SC', sans-serif;
    line-height: 1.6;
    color: #333;
    overflow-x: hidden;
}

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

/* 导航栏样式 */
.navbar {
    position: fixed;
    top: 0;
    width: 100%;
    background: rgba(255, 255, 255, 0.95);
    backdrop-filter: blur(10px);
    z-index: 1000;
    transition: all 0.3s ease;
    box-shadow: 0 2px 20px rgba(0, 0, 0, 0.1);
}

.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;
    font-size: 1.5rem;
    font-weight: 700;
    color: #2563eb;
}

.logo-icon {
    width: 32px;
    height: 32px;
    margin-right: 10px;
}

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

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

.nav-link:hover {
    color: #2563eb;
}

.nav-link::after {
    content: '';
    position: absolute;
    bottom: -5px;
    left: 0;
    width: 0;
    height: 2px;
    background: #2563eb;
    transition: width 0.3s ease;
}

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

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

.bar {
    width: 25px;
    height: 3px;
    background: #333;
    margin: 3px 0;
    transition: 0.3s;
}

/* 主页横幅样式 */
.hero {
    background: linear-gradient(135deg, #667eea 0%, #764ba2 100%);
    min-height: 100vh;
    display: flex;
    align-items: center;
    color: white;
    position: relative;
    overflow: hidden;
}

.hero::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    background: url('data:image/svg+xml,<svg xmlns="http://www.w3.org/2000/svg" viewBox="0 0 100 100"><defs><pattern id="grain" width="100" height="100" patternUnits="userSpaceOnUse"><circle cx="25" cy="25" r="1" fill="rgba(255,255,255,0.1)"/><circle cx="75" cy="75" r="1" fill="rgba(255,255,255,0.1)"/><circle cx="50" cy="10" r="1" fill="rgba(255,255,255,0.1)"/><circle cx="10" cy="60" r="1" fill="rgba(255,255,255,0.1)"/><circle cx="90" cy="40" r="1" fill="rgba(255,255,255,0.1)"/></pattern></defs><rect width="100" height="100" fill="url(%23grain)"/></svg>');
    opacity: 0.3;
}

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

.hero-title {
    font-size: 3.5rem;
    font-weight: 700;
    margin-bottom: 20px;
    line-height: 1.2;
}

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

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

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

.btn {
    display: inline-flex;
    align-items: center;
    gap: 10px;
    padding: 15px 30px;
    border-radius: 50px;
    text-decoration: none;
    font-weight: 600;
    transition: all 0.3s ease;
    border: none;
    cursor: pointer;
    font-size: 1rem;
}

.btn-primary {
    background: #fff;
    color: #2563eb;
    box-shadow: 0 4px 15px rgba(0, 0, 0, 0.2);
}

.btn-primary:hover {
    transform: translateY(-2px);
    box-shadow: 0 6px 20px rgba(0, 0, 0, 0.3);
}

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

.btn-secondary:hover {
    background: white;
    color: #2563eb;
}

.plugin-preview {
    position: relative;
    display: flex;
    justify-content: center;
    align-items: center;
    height: 300px;
    background: rgba(255, 255, 255, 0.1);
    border-radius: 20px;
    backdrop-filter: blur(10px);
}

.plugin-icon-large {
    width: 120px;
    height: 120px;
    opacity: 0.9;
    border-radius: 20px;
    box-shadow: 0 8px 30px rgba(0, 0, 0, 0.2);
}

.download-animation {
    position: absolute;
    bottom: 20px;
    right: 20px;
    animation: bounce 2s infinite;
}

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

@keyframes bounce {
    0%, 20%, 50%, 80%, 100% {
        transform: translateY(0);
    }
    40% {
        transform: translateY(-10px);
    }
    60% {
        transform: translateY(-5px);
    }
}

/* 功能特点样式 */
.features {
    padding: 100px 0;
    background: #f8fafc;
}

.section-title {
    text-align: center;
    font-size: 2.5rem;
    font-weight: 700;
    margin-bottom: 60px;
    color: #1e293b;
}

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

.feature-card {
    background: white;
    padding: 40px 30px;
    border-radius: 15px;
    text-align: center;
    box-shadow: 0 4px 20px rgba(0, 0, 0, 0.1);
    transition: transform 0.3s ease, box-shadow 0.3s ease;
}

.feature-card:hover {
    transform: translateY(-10px);
    box-shadow: 0 8px 30px rgba(0, 0, 0, 0.15);
}

.feature-icon {
    width: 80px;
    height: 80px;
    background: linear-gradient(135deg, #667eea 0%, #764ba2 100%);
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    margin: 0 auto 20px;
}

.feature-icon i {
    font-size: 2rem;
    color: white;
}

.feature-card h3 {
    font-size: 1.5rem;
    font-weight: 600;
    margin-bottom: 15px;
    color: #1e293b;
}

.feature-card p {
    color: #64748b;
    line-height: 1.6;
}

/* 下载安装样式 */
.download {
    padding: 100px 0;
    background: white;
}

.download-content {
    display: flex;
    flex-direction: column;
    gap: 40px;
    max-width: 1000px;
    margin: 0 auto;
}

.download-steps {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: 30px;
}

.step {
    display: flex;
    flex-direction: column;
    align-items: center;
    gap: 15px;
    text-align: center;
}

.step-number {
    width: 50px;
    height: 50px;
    background: linear-gradient(135deg, #667eea 0%, #764ba2 100%);
    color: white;
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    font-weight: 700;
    font-size: 1.2rem;
    flex-shrink: 0;
}

.step-content h3 {
    font-size: 1.3rem;
    font-weight: 600;
    margin-bottom: 10px;
    color: #1e293b;
}

.step-content p {
    color: #64748b;
    line-height: 1.6;
}


.download-btn {
    display: flex;
    align-items: center;
    gap: 15px;
    padding: 20px 30px;
    background: white;
    border: 2px solid #e2e8f0;
    border-radius: 15px;
    text-decoration: none;
    color: #1e293b;
    transition: all 0.3s ease;
    box-shadow: 0 2px 10px rgba(0, 0, 0, 0.1);
}

.download-btn:hover {
    border-color: #2563eb;
    transform: translateY(-2px);
    box-shadow: 0 4px 20px rgba(37, 99, 235, 0.2);
}

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

.download-btn.chrome i {
    color: #4285f4;
}

.download-btn.firefox i {
    color: #ff7139;
}

.download-btn.edge i {
    color: #0078d4;
}

.download-btn span {
    font-weight: 600;
    font-size: 1.1rem;
}

.download-btn small {
    color: #64748b;
    font-size: 0.9rem;
}

/* 新的下载选项样式 */
.download-buttons {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: 25px;
    margin-bottom: 30px;
}

.download-option {
    background: white;
    border-radius: 15px;
    box-shadow: 0 4px 20px rgba(0, 0, 0, 0.1);
    overflow: hidden;
    transition: all 0.3s ease;
    cursor: pointer;
    display: flex;
    flex-direction: column;
}

.download-option:hover {
    transform: translateY(-5px);
    box-shadow: 0 8px 30px rgba(0, 0, 0, 0.15);
}

/* 选项内容布局 */
.option-content {
    display: flex;
    flex-direction: column;
    align-items: center;
    justify-content: center;       /* 垂直居中所有内容 */
    text-align: center;
    padding: 30px 25px;
    gap: 20px;                     /* 增加间距 */
    height: 100%;
}

.option-icon {
    transition: transform 0.3s ease;
    flex-shrink: 0;
    margin: 0;
}

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

.option-icon i {
    font-size: 3.75rem;
    display: block;
    line-height: 1;
}

.download-option.store .option-icon i {
    color: #4285f4;
}

.download-option.download .option-icon i {
    color: #10b981;
}

/* Edge图标特殊颜色 */
.download-option.download:nth-child(2) .option-icon i {
    color: #0078d4;
}

/* 标题和描述直接在option-content下 */
.option-content h3 {
    font-size: 1.3rem;
    font-weight: 600;
    color: #1e293b;
    margin: 0;
    line-height: 1.3;
}

.option-content p {
    color: #64748b;
    font-size: 0.95rem;
    line-height: 1.5;
    margin: 0;
}

.option-btn {
    background: linear-gradient(135deg, #667eea 0%, #764ba2 100%);
    color: white;
    border: none;
    padding: 13px 34px;
    border-radius: 28px;
    font-weight: 600;
    cursor: pointer;
    transition: all 0.3s ease;
    display: inline-flex;
    align-items: center;
    justify-content: center;
    gap: 8px;
    font-size: 1rem;
    white-space: nowrap;
    margin-top: 0;
    flex-shrink: 0;                /* 防止按钮被压缩 */
}

.option-btn:hover {
    transform: translateY(-2px);
    box-shadow: 0 6px 20px rgba(102, 126, 234, 0.3);
}

.option-btn.store {
    background: linear-gradient(135deg, #4285f4 0%, #34a853 100%);
}

.option-btn.store:hover {
    box-shadow: 0 6px 20px rgba(66, 133, 244, 0.3);
}

.option-btn.download {
    background: linear-gradient(135deg, #10b981 0%, #059669 100%);
}

.option-btn.download:hover {
    box-shadow: 0 6px 20px rgba(16, 185, 129, 0.3);
}

/* Edge按钮特殊颜色 */
.download-option:nth-child(2) .option-btn {
    background: linear-gradient(135deg, #0078d4 0%, #106ebe 100%);
}

.download-option:nth-child(2) .option-btn:hover {
    box-shadow: 0 6px 20px rgba(0, 120, 212, 0.3);
}

/* 弹窗样式 */
.status-modal {
    position: fixed;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    z-index: 10000;
    opacity: 0;
    visibility: hidden;
    transition: all 0.3s ease;
}

.status-modal.show {
    opacity: 1;
    visibility: visible;
}

.modal-overlay {
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background: rgba(0, 0, 0, 0.5);
    backdrop-filter: blur(5px);
}

.modal-content {
    position: absolute;
    top: 50%;
    left: 50%;
    transform: translate(-50%, -50%) scale(0.9);
    background: white;
    border-radius: 20px;
    box-shadow: 0 20px 60px rgba(0, 0, 0, 0.3);
    max-width: 500px;
    width: 90%;
    max-height: 80vh;
    overflow: hidden;
    transition: transform 0.3s ease;
}

.status-modal.show .modal-content {
    transform: translate(-50%, -50%) scale(1);
}

.modal-header {
    background: linear-gradient(135deg, #4285f4 0%, #34a853 100%);
    color: white;
    padding: 25px 30px;
    display: flex;
    align-items: center;
    gap: 15px;
    position: relative;
}

.modal-header i {
    font-size: 2rem;
}

.modal-header h3 {
    font-size: 1.5rem;
    font-weight: 600;
    margin: 0;
    flex: 1;
}

.close-btn {
    background: rgba(255, 255, 255, 0.2);
    border: none;
    color: white;
    width: 35px;
    height: 35px;
    border-radius: 50%;
    cursor: pointer;
    display: flex;
    align-items: center;
    justify-content: center;
    transition: background 0.3s ease;
}

.close-btn:hover {
    background: rgba(255, 255, 255, 0.3);
}

.modal-body {
    padding: 30px;
}

.status-info {
    display: flex;
    align-items: flex-start;
    gap: 20px;
    margin-bottom: 30px;
}

.status-icon {
    width: 60px;
    height: 60px;
    background: #fef3c7;
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    flex-shrink: 0;
}

.status-icon i {
    font-size: 1.5rem;
    color: #f59e0b;
}

.status-text h4 {
    font-size: 1.3rem;
    font-weight: 600;
    color: #1e293b;
    margin-bottom: 10px;
}

.status-text p {
    color: #64748b;
    line-height: 1.6;
    margin-bottom: 8px;
}

.status-text p:last-child {
    margin-bottom: 0;
}

.modal-actions {
    display: flex;
    gap: 15px;
    justify-content: flex-end;
}

.modal-actions .btn {
    padding: 12px 24px;
    border-radius: 8px;
    font-weight: 600;
    cursor: pointer;
    transition: all 0.3s ease;
    border: none;
}

.modal-actions .btn-secondary {
    background: #f1f5f9;
    color: #64748b;
}

.modal-actions .btn-secondary:hover {
    background: #e2e8f0;
}

.modal-actions .btn-primary {
    background: linear-gradient(135deg, #10b981 0%, #059669 100%);
    color: white;
}

.modal-actions .btn-primary:hover {
    transform: translateY(-2px);
    box-shadow: 0 6px 20px rgba(16, 185, 129, 0.3);
}

/* 兼容性说明样式 */
.compatibility-info {
    background: #f8fafc;
    border: 1px solid #e2e8f0;
    border-radius: 15px;
    padding: 25px 30px;
    margin-top: 30px;
    width: 100%;
    box-sizing: border-box;
    grid-column: 1 / -1;           /* 跨越所有列，占据整行宽度 */
}

.compatibility-header {
    display: flex;
    align-items: center;
    gap: 10px;
    margin-bottom: 15px;
    font-weight: 600;
    color: #1e293b;
}

.compatibility-header i {
    color: #3b82f6;
    font-size: 1.1rem;
}

.compatibility-content p {
    color: #64748b;
    line-height: 1.6;
    margin-bottom: 10px;
    font-size: 0.9rem;
}

.compatibility-content p:last-child {
    margin-bottom: 0;
}

.compatibility-content strong {
    color: #1e293b;
}

/* 使用说明样式 */
.usage {
    padding: 100px 0;
    background: #f8fafc;
}

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

.usage-text h3 {
    font-size: 1.8rem;
    font-weight: 600;
    margin-bottom: 30px;
    color: #1e293b;
}

.usage-text ol {
    margin-bottom: 30px;
    padding-left: 20px;
}

.usage-text li {
    margin-bottom: 15px;
    color: #64748b;
    line-height: 1.6;
}

.usage-text a {
    color: #2563eb;
    text-decoration: none;
}

.usage-text a:hover {
    text-decoration: underline;
}

.warning-box {
    background: #fef3c7;
    border: 1px solid #f59e0b;
    border-radius: 10px;
    padding: 20px;
    display: flex;
    align-items: flex-start;
    gap: 15px;
}

.warning-box i {
    color: #f59e0b;
    font-size: 1.2rem;
    margin-top: 2px;
}

.warning-box p {
    color: #92400e;
    margin: 0;
}

.browser-mockup {
    background: white;
    border-radius: 15px;
    box-shadow: 0 10px 40px rgba(0, 0, 0, 0.1);
    overflow: hidden;
}

.browser-header {
    background: #f1f5f9;
    padding: 15px 20px;
    display: flex;
    align-items: center;
}

.browser-dots {
    display: flex;
    gap: 8px;
}

.browser-dots span {
    width: 12px;
    height: 12px;
    border-radius: 50%;
    background: #cbd5e1;
}

.browser-dots span:first-child {
    background: #ef4444;
}

.browser-dots span:nth-child(2) {
    background: #f59e0b;
}

.browser-dots span:last-child {
    background: #10b981;
}

.browser-content {
    padding: 30px;
}

.url-bar {
    background: #f8fafc;
    padding: 10px 15px;
    border-radius: 8px;
    font-family: monospace;
    font-size: 0.9rem;
    color: #64748b;
    margin-bottom: 30px;
}

.page-content {
    text-align: center;
}

.plugin-icon {
    width: 80px;
    height: 80px;
    background: linear-gradient(135deg, #667eea 0%, #764ba2 100%);
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    margin: 0 auto 20px;
    padding: 10px;
}

.plugin-icon-small {
    width: 60px;
    height: 60px;
    border-radius: 10px;
}

.page-content p {
    color: #64748b;
    font-weight: 500;
}

/* 隐私政策样式 */
.privacy {
    padding: 100px 0;
    background: white;
}

.privacy-content {
    max-width: 800px;
    margin: 0 auto;
}

.privacy-intro {
    background: #f8fafc;
    padding: 30px;
    border-radius: 15px;
    margin-bottom: 40px;
    border-left: 4px solid #2563eb;
}

.privacy-intro p {
    font-size: 1.1rem;
    color: #1e293b;
    margin: 0;
}

.privacy-section {
    margin-bottom: 40px;
}

.privacy-section h3 {
    font-size: 1.5rem;
    font-weight: 600;
    margin-bottom: 20px;
    color: #1e293b;
}

.privacy-section p {
    color: #64748b;
    line-height: 1.8;
    margin-bottom: 15px;
}

.privacy-section ul {
    margin-left: 20px;
    margin-bottom: 15px;
}

.privacy-section li {
    color: #64748b;
    line-height: 1.6;
    margin-bottom: 8px;
}

.privacy-footer {
    background: #f8fafc;
    padding: 30px;
    border-radius: 15px;
    margin-top: 40px;
    text-align: center;
}

.privacy-footer p {
    margin-bottom: 10px;
    color: #64748b;
}

/* 联系我们样式 */
.contact {
    padding: 100px 0;
    background: #f8fafc;
}

.contact-content {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 60px;
}

.contact-info {
    display: flex;
    flex-direction: column;
    gap: 30px;
}

.contact-item {
    display: flex;
    align-items: center;
    gap: 20px;
    padding: 30px;
    background: white;
    border-radius: 15px;
    box-shadow: 0 4px 20px rgba(0, 0, 0, 0.1);
}

.contact-item i {
    width: 60px;
    height: 60px;
    background: linear-gradient(135deg, #667eea 0%, #764ba2 100%);
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    color: white;
    font-size: 1.5rem;
    flex-shrink: 0;
}

.contact-item h3 {
    font-size: 1.3rem;
    font-weight: 600;
    margin-bottom: 5px;
    color: #1e293b;
}

.contact-item p {
    color: #64748b;
    margin: 0;
}

.contact-form {
    background: white;
    padding: 40px;
    border-radius: 15px;
    box-shadow: 0 4px 20px rgba(0, 0, 0, 0.1);
}

.contact-form h3 {
    font-size: 1.5rem;
    font-weight: 600;
    margin-bottom: 30px;
    color: #1e293b;
}

.form-group {
    margin-bottom: 20px;
}

.form-group input,
.form-group textarea {
    width: 100%;
    padding: 15px;
    border: 2px solid #e2e8f0;
    border-radius: 10px;
    font-size: 1rem;
    transition: border-color 0.3s ease;
    font-family: inherit;
}

.form-group input:focus,
.form-group textarea:focus {
    outline: none;
    border-color: #2563eb;
}

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

/* 页脚样式 */
.footer {
    background: #1e293b;
    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 h3 {
    font-size: 1.3rem;
    font-weight: 600;
    margin-bottom: 20px;
    color: white;
}

.footer-section p {
    color: #94a3b8;
    line-height: 1.6;
}

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

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

.footer-section a {
    color: #94a3b8;
    text-decoration: none;
    transition: color 0.3s ease;
}

.footer-section a:hover {
    color: white;
}

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

.social-links a {
    width: 40px;
    height: 40px;
    background: #334155;
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    transition: background 0.3s ease;
}

.social-links a:hover {
    background: #2563eb;
}

.footer-bottom {
    border-top: 1px solid #334155;
    padding-top: 20px;
    text-align: center;
}

.footer-bottom p {
    color: #94a3b8;
    margin: 0;
}

/* 中等屏幕适配 */
@media (max-width: 1024px) and (min-width: 769px) {
    .download-buttons {
        gap: 20px;
    }
    
    .option-content {
        padding: 25px 15px;
    }
    
    .option-icon i {
        font-size: 3rem;
    }
    
    .option-info h3 {
        font-size: 1.1rem;
    }
    
    .option-info p {
        font-size: 0.85rem;
    }
}

/* 响应式设计 */
@media (max-width: 768px) {
    .hamburger {
        display: flex;
    }
    
    .nav-menu {
        position: fixed;
        left: -100%;
        top: 70px;
        flex-direction: column;
        background-color: white;
        width: 100%;
        text-align: center;
        transition: 0.3s;
        box-shadow: 0 10px 27px rgba(0, 0, 0, 0.05);
        padding: 20px 0;
    }
    
    .nav-menu.active {
        left: 0;
    }
    
    .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 {
        gap: 40px;
    }
    
    .download-steps {
        grid-template-columns: 1fr;
        gap: 20px;
    }
    
    .download-buttons {
        grid-template-columns: 1fr;
        gap: 20px;
    }
    
    .usage-content {
        grid-template-columns: 1fr;
        gap: 40px;
    }
    
    .contact-content {
        grid-template-columns: 1fr;
        gap: 40px;
    }
    
    .footer-content {
        grid-template-columns: 1fr;
        text-align: center;
    }
    
    /* 新下载选项的移动端适配 */
    .option-content {
        padding: 25px 20px;
    }
    
    .option-icon i {
        font-size: 3rem;
    }
    
    .option-info h3 {
        font-size: 1.1rem;
    }
    
    .option-info p {
        font-size: 0.85rem;
    }
    
    .option-btn {
        padding: 10px 20px;
        font-size: 0.85rem;
    }
    
    /* 弹窗移动端适配 */
    .modal-content {
        width: 95%;
        margin: 20px;
    }
    
    .modal-header {
        padding: 20px 25px;
    }
    
    .modal-header h3 {
        font-size: 1.3rem;
    }
    
    .modal-body {
        padding: 25px;
    }
    
    .status-info {
        flex-direction: column;
        text-align: center;
        gap: 15px;
    }
    
    .modal-actions {
        flex-direction: column;
        gap: 10px;
    }
    
    .modal-actions .btn {
        width: 100%;
        justify-content: center;
    }
    
    .compatibility-content p {
        font-size: 0.85rem;
    }
}

@media (max-width: 480px) {
    .container {
        padding: 0 15px;
    }
    
    .hero-title {
        font-size: 2rem;
    }
    
    .section-title {
        font-size: 2rem;
    }
    
    .btn {
        padding: 12px 24px;
        font-size: 0.9rem;
    }
    
    .feature-card {
        padding: 30px 20px;
    }
    
    .contact-form {
        padding: 30px 20px;
    }
    
    /* 超小屏幕适配 */
    .download-steps {
        grid-template-columns: 1fr;
    }
    
    .step {
        flex-direction: row;
        text-align: left;
    }
}