:root {
    --primary-color: #1a73e8;
    --secondary-color: #34a853;
    --text-color: #333;
    --bg-color: #fff;
}

/* 全局样式 */
body {
    margin: 0;
    padding: 0;
    font-family: -apple-system, system-ui, BlinkMacSystemFont, "Segoe UI", Roboto, sans-serif;
    line-height: 1.6;
    color: var(--text-color);
    background: linear-gradient(135deg, #f5f7fa 0%, #ffffff 100%);
}

.container {
    max-width: 1200px;
    margin: 0 auto;
    padding: 2rem;
    text-align: center;
}

/* 标题样式 */
.page-title {
    font-size: clamp(2rem, 5vw, 3.5rem);
    font-weight: 800;
    margin: 3rem auto;
    background: linear-gradient(45deg, var(--primary-color), var(--secondary-color));
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
}

.tagline {
    font-size: clamp(1.2rem, 3vw, 1.8rem);
    color: #666;
    max-width: 800px;
    margin: 2rem auto;
    font-style: italic;
}

/* 按钮样式 */
.btn {
    display: inline-block;
    padding: 0.8em 1.6em;
    border-radius: 50px;
    text-decoration: none;
    font-weight: 600;
    margin: 0.5rem;
    transition: all 0.3s ease;
}

.btn-primary {
    background: var(--primary-color);
    color: white;
    box-shadow: 0 4px 15px rgba(26,115,232,0.3);
}

.btn-primary:hover {
    background: #1557b0;
    transform: translateY(-2px);
}

.btn-secondary {
    border: 2px solid var(--primary-color);
    color: var(--primary-color);
}

.btn-secondary:hover {
    background: #f8f9fa;
    transform: translateY(-2px);
}

/* 功能列表 */
.feature-list {
    display: grid;
    grid-template-columns: repeat(2, 1fr);
    gap: 4rem 6rem;
    padding: 3rem;
    max-width: 1200px;
    margin: 0 auto;
}

.feature-item {
    display: flex;
    flex-direction: column;
    background: transparent;
    padding: 0;
    text-align: left;
    transition: all 0.3s ease;
}

.feature-item:hover {
    transform: translateY(-5px);
    box-shadow: none;
}

.feature-item h3 {
    font-size: 1.6rem;
    font-weight: 600;
    margin-bottom: 1rem;
    color: var(--text-color);
    display: flex;
    align-items: center;
    gap: 1rem;
}

.feature-icon {
    width: 28px;
    height: 28px;
    color: var(--primary-color);
}

.feature-item p {
    font-size: 1.1rem;
    line-height: 1.8;
    color: #555;
    margin: 0;
    padding-left: calc(28px + 1rem);
}

/* 技术列表 */
.tech-list {
    max-width: 800px;
    margin: 2rem auto;
    padding: 0;
    list-style-position: inside;
    text-align: left;
}

.tech-list li {
    margin: 0.5rem 0;
    padding: 0.5rem 1rem;
    background: #f8f9fa;
    border-radius: 6px;
}

/* 截图网格 */
.screenshots {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
    gap: 2rem;
    margin: 2rem auto;
    padding: 0 1rem;
}

.screenshots img {
    width: 100%;
    height: auto;
    border-radius: 12px;
    box-shadow: 0 2px 10px rgba(0, 0, 0, 0.1);
    transition: transform 0.3s ease;
}

.screenshots img:hover {
    transform: translateY(-5px);
}

@media (max-width: 768px) {
    .screenshots {
        grid-template-columns: 1fr;
    }
}

/* 联系方式 */
.contact-links {
    list-style: none;
    padding: 0;
    display: flex;
    flex-wrap: wrap;
    justify-content: center;
    gap: 2rem;
    margin: 3rem auto;
    max-width: 800px;
}

.contact-links a {
    padding: 0.5rem 1rem;
    color: #666;
    text-decoration: none;
    transition: color 0.2s ease;
}

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

/* 页脚 */
.footer {
    margin-top: 4rem;
    padding-top: 2rem;
    border-top: 1px solid #eee;
    text-align: center;
}

.footer-links {
    margin-bottom: 1rem;
}

.footer-links a {
    color: #666;
    text-decoration: none;
    margin: 0 1rem;
}

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

.copyright {
    color: #999;
    font-size: 0.9rem;
}

/* 响应式设计 */
@media (max-width: 768px) {
    .container {
        padding: 1rem;
    }

    .screenshots {
        grid-template-columns: 1fr;
        gap: 1rem;
    }

    .contact-links {
        flex-direction: column;
        align-items: center;
    }

    .feature-list {
        grid-template-columns: 1fr;
        gap: 3rem;
        padding: 1.5rem;
    }

    .feature-item h3 {
        font-size: 1.5rem;
    }

    .feature-item p {
        font-size: 1rem;
    }
}

/* 隐私政策页面样式 */
.privacy-content {
    max-width: 800px;
    text-align: left;
    padding: 2rem;
}

.privacy-content h2 {
    color: var(--primary-color);
    margin: 2rem 0 1rem;
    font-size: 1.8rem;
}

.privacy-content h3 {
    color: var(--secondary-color);
    margin: 1.5rem 0 1rem;
    font-size: 1.4rem;
}

.privacy-content ul,
.privacy-content ol {
    margin: 1rem 0;
    padding-left: 2rem;
}

.privacy-content li {
    margin: 0.5rem 0;
}

.last-updated {
    color: #666;
    font-style: italic;
    margin: 1rem 0 2rem;
}

.privacy-content section {
    margin: 2rem 0;
}

.privacy-content a {
    color: var(--primary-color);
    text-decoration: none;
}

.privacy-content a:hover {
    text-decoration: underline;
}

/* 激活码样式 */
.activation-codes {
    display: flex;
    flex-wrap: wrap;
    justify-content: center;
    gap: 1rem;
    margin: 2rem auto;
    max-width: 800px;
}

.activation-codes code {
    padding: 1rem 1.5rem;
    background: #f8f9fa;
    border-radius: 8px;
    font-family: monospace;
    font-size: 1.2rem;
    color: var(--primary-color);
    border: 2px solid #eee;
    letter-spacing: 2px;
}

@media (max-width: 768px) {
    .activation-codes {
        flex-direction: column;
        align-items: center;
    }
}

/* 安装区域样式优化 */
.install-section {
    margin: 2rem auto 3rem;
    display: flex;
    gap: 1.5rem;
    justify-content: center;
    flex-wrap: wrap;
}

/* 安装按钮样式 */
.install-button {
    display: inline-flex;
    align-items: center;
    padding: 0.8rem 2rem;
    background: #fff;
    color: #000;
    text-decoration: none;
    border-radius: 12px;
    font-weight: 500;
    font-size: 1.1rem;
    transition: all 0.2s ease;
    border: 1px solid rgba(0, 0, 0, 0.1);
    box-shadow: 0 2px 8px rgba(0, 0, 0, 0.05);
}

.install-button:hover {
    transform: translateY(-1px);
    box-shadow: 0 4px 12px rgba(0, 0, 0, 0.1);
    background: #f8f9fa;
}

.install-button.chrome:hover {
    background: #1a73e8;
}

.install-button.edge:hover {
    background: #0078d7;
}

.install-button.help:hover {
    background: var(--secondary-color);
    color: white;
}

.store-icon {
    width: 20px;
    height: 20px;
    margin-right: 10px;
    filter: none;
}

@media (max-width: 768px) {
    .install-section {
        gap: 1rem;
    }

    .install-button {
        padding: 0.7rem 1.5rem;
        font-size: 1rem;
    }

    .store-icon {
        width: 18px;
        height: 18px;
        margin-right: 8px;
    }
}

/* 数据统计样式 */
.stats-section {
    display: flex;
    justify-content: center;
    gap: 4rem;
    margin: 2rem auto;
    padding: 2rem 0;
}

.stat-item {
    display: flex;
    flex-direction: column;
    align-items: center;
    gap: 0.5rem;
}

.stat-number {
    font-size: 2.5rem;
    font-weight: 700;
    background: linear-gradient(45deg, var(--primary-color), var(--secondary-color));
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
}

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

/* 响应式优化 */
@media (max-width: 768px) {
    .stats-section {
        flex-direction: column;
        gap: 2rem;
    }

    .stat-number {
        font-size: 2rem;
    }
}

/* FAQ 样式优化 */
.faq-list {
    max-width: 1000px;
    margin: 3rem auto;
    padding: 0 2rem;
    display: grid;
    grid-template-columns: repeat(2, 1fr);
    gap: 2.5rem;
}

.faq-item {
    background: rgba(255, 255, 255, 0.8);
    border-radius: 16px;
    padding: 1.5rem 2rem;
    text-align: left;
    transition: all 0.3s ease;
    border: 1px solid rgba(0, 0, 0, 0.1);
    box-shadow: 0 2px 10px rgba(0, 0, 0, 0.05);
}

.faq-item:hover {
    transform: translateY(-2px);
    box-shadow: 0 4px 20px rgba(0, 0, 0, 0.1);
}

.faq-item h3 {
    font-size: 1.2rem;
    color: var(--text-color);
    margin-bottom: 1rem;
    display: flex;
    align-items: flex-start;
    gap: 0.5rem;
    line-height: 1.4;
}

.faq-item h3 span {
    color: var(--primary-color);
}

.faq-item p {
    color: #555;
    line-height: 1.6;
    margin: 0.5rem 0;
    font-size: 1rem;
}

@media (max-width: 1024px) {
    .faq-list {
        grid-template-columns: 1fr;
        gap: 1.5rem;
        padding: 0 1.5rem;
    }

    .faq-item {
        padding: 1.2rem 1.5rem;
    }
}

@media (max-width: 768px) {
    .faq-list {
        padding: 0 1rem;
    }

    .faq-item h3 {
        font-size: 1.1rem;
    }

    .faq-item p {
        font-size: 0.95rem;
    }
}

/* 激活码区域样式 */
.activation-section {
    display: flex;
    flex-direction: column;
    align-items: center;
    gap: 2rem;
    margin: 2rem auto;
}

.activation-button {
    display: inline-flex;
    align-items: center;
    padding: 0.8rem 2rem;
    background: #000;
    color: white;
    text-decoration: none;
    border-radius: 12px;
    font-weight: 500;
    font-size: 1.1rem;
    transition: all 0.2s ease;
    border: none;
}

.activation-button:hover {
    transform: translateY(-1px);
    background: #222;
}

/* Hero 图片响应式样式 */
.hero-image {
    width: 100%;
    max-width: 1200px;
    height: auto;
    margin: 2rem auto;
    border-radius: 12px;
    box-shadow: 0 4px 20px rgba(0, 0, 0, 0.1);
    transition: transform 0.3s ease;
}

.hero-image:hover {
    transform: translateY(-5px);
}

/* 获取激活码部分样式 */
.get-activation {
    margin-top: 2rem;
    text-align: center;
}

.get-activation h3 {
    font-size: 1.4rem;
    color: var(--text-color);
    margin-bottom: 2rem;
}

.ways-list {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(250px, 1fr));
    gap: 2rem;
    margin: 0 auto;
    max-width: 1000px;
}

.way-item {
    background: #fff;
    border-radius: 12px;
    padding: 1.5rem;
    text-align: center;
    position: relative;
    border: 1px solid rgba(0, 0, 0, 0.1);
    transition: all 0.3s ease;
}

.way-item:hover {
    transform: translateY(-2px);
    box-shadow: 0 4px 20px rgba(0, 0, 0, 0.1);
}

.way-number {
    background: var(--primary-color);
    color: white;
    width: 24px;
    height: 24px;
    border-radius: 50%;
    display: inline-flex;
    align-items: center;
    justify-content: center;
    font-weight: 600;
    margin-bottom: 1rem;
}

.way-item p {
    margin: 0.5rem 0;
    color: #555;
    line-height: 1.4;
}

.buy-button {
    display: inline-block;
    margin-top: 1rem;
    padding: 0.6rem 1.2rem;
    background: #000;
    color: white;
    text-decoration: none;
    border-radius: 8px;
    font-size: 0.9rem;
    transition: all 0.2s ease;
}

.buy-button:hover {
    transform: translateY(-1px);
    background: #222;
}

@media (max-width: 768px) {
    .ways-list {
        grid-template-columns: 1fr;
        gap: 1rem;
        padding: 0 1rem;
    }

    .way-item {
        padding: 1.2rem;
    }
}