/* 全局样式 */
:root {
    --primary-color: #7B61FF;
    --secondary-color: #6A50E0;
    --text-color: #333;
    --text-light: #666;
    --background-light: #f8f9fa;
    --border-color: #eaeaea;
}

/* 特性页面头部 */
.features-header {
    padding: 80px 0 40px;
    background: linear-gradient(180deg, rgba(123, 97, 255, 0.05) 0%, rgba(123, 97, 255, 0) 100%);
    text-align: center;
}

.features-header h1 {
    font-size: 48px;
    font-weight: 700;
    margin-bottom: 24px;
    color: var(--text-color);
}

.header-description {
    font-size: 20px;
    color: var(--text-light);
    max-width: 700px;
    margin: 0 auto;
    line-height: 1.6;
}

/* 主要特性 */
.main-features {
    padding: 80px 0;
}

.feature-item {
    display: flex;
    align-items: center;
    gap: 60px;
    margin-bottom: 100px;
}

.feature-item:last-child {
    margin-bottom: 0;
}

.feature-item.reverse {
    flex-direction: row-reverse;
}

.feature-content {
    flex: 1;
}

.feature-content h2 {
    font-size: 36px;
    font-weight: 700;
    margin-bottom: 24px;
    color: var(--text-color);
}

.feature-content p {
    font-size: 18px;
    color: var(--text-light);
    margin-bottom: 32px;
    line-height: 1.6;
}

.feature-list {
    list-style: none;
    padding: 0;
    margin: 0 0 32px;
}

.feature-list li {
    position: relative;
    padding-left: 28px;
    margin-bottom: 16px;
    font-size: 16px;
    color: var(--text-color);
}

.feature-list li:before {
    content: '';
    position: absolute;
    left: 0;
    top: 8px;
    width: 16px;
    height: 16px;
    background-image: url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' viewBox='0 0 24 24' fill='%237B61FF'%3E%3Cpath d='M9 16.17L4.83 12l-1.42 1.41L9 19 21 7l-1.41-1.41L9 16.17z'/%3E%3C/svg%3E");
    background-size: contain;
    background-repeat: no-repeat;
}

.feature-image {
    flex: 1;
    max-width: 500px;
}

.feature-image img {
    width: 100%;
    height: auto;
}

/* 技术特性 */
.tech-features {
    padding: 80px 0;
    background-color: var(--background-light);
}

.section-title {
    text-align: center;
    font-size: 36px;
    font-weight: 700;
    margin-bottom: 48px;
    color: var(--text-color);
}

.tech-features-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(250px, 1fr));
    gap: 32px;
}

.tech-feature-card {
    padding: 32px;
    background-color: white;
    border-radius: 12px;
    box-shadow: 0 4px 20px rgba(0, 0, 0, 0.05);
    transition: transform 0.3s ease;
}

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

.tech-feature-icon {
    width: 48px;
    height: 48px;
    margin-bottom: 24px;
}

.tech-feature-icon img {
    width: 100%;
    height: 100%;
}

.tech-feature-card h3 {
    font-size: 20px;
    font-weight: 600;
    margin-bottom: 16px;
    color: var(--text-color);
}

.tech-feature-card p {
    font-size: 16px;
    color: var(--text-light);
    line-height: 1.6;
}

/* 按钮样式 */
.btn {
    display: inline-block;
    padding: 12px 24px;
    border-radius: 8px;
    font-size: 16px;
    font-weight: 500;
    text-decoration: none;
    transition: all 0.3s ease;
}

.btn-primary {
    background-color: var(--primary-color);
    color: white;
    border: none;
}

.btn-primary:hover {
    background-color: var(--secondary-color);
    transform: translateY(-2px);
}

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

.btn-outline:hover {
    background-color: rgba(123, 97, 255, 0.1);
    transform: translateY(-2px);
}

/* CTA 区域 */
.cta {
    padding: 80px 0;
    background: linear-gradient(135deg, rgba(123, 97, 255, 0.05) 0%, rgba(64, 182, 255, 0.05) 100%);
    text-align: center;
}

.cta h2 {
    font-size: 36px;
    font-weight: 700;
    margin-bottom: 16px;
    color: var(--text-color);
}

.cta p {
    font-size: 18px;
    color: var(--text-light);
    margin-bottom: 32px;
}

.cta-buttons {
    display: flex;
    justify-content: center;
    gap: 16px;
}

/* 响应式设计 */
@media (max-width: 992px) {
    .feature-item {
        flex-direction: column;
        gap: 40px;
        text-align: center;
    }

    .feature-item.reverse {
        flex-direction: column;
    }

    .feature-list {
        display: inline-block;
        text-align: left;
    }

    .feature-content h2 {
        font-size: 28px;
    }

    .feature-content p {
        font-size: 16px;
    }

    .section-title {
        font-size: 28px;
    }

    .cta h2 {
        font-size: 28px;
    }
}

@media (max-width: 768px) {
    .features-header h1 {
        font-size: 36px;
    }

    .header-description {
        font-size: 18px;
    }

    .tech-features-grid {
        grid-template-columns: 1fr;
    }

    .cta-buttons {
        flex-direction: column;
        align-items: center;
    }

    .btn {
        width: 100%;
        max-width: 300px;
    }
}