/* 英雄区域样式 */
.hero {
    background: linear-gradient(135deg, #001f3f 0%, #000000 100%);
    color: white;
    padding: 3rem 0;
    text-align: center;
    padding-top: calc(3rem + 84px);
    min-height: 70vh;
    display: flex;
    align-items: center;
    justify-content: center;
}

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

.hero h1 {
    font-size: 3rem;
    margin-bottom: 1rem;
    font-weight: 700;
}

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

.hero-buttons {
    display: flex;
    justify-content: center;
    gap: 1rem;
    flex-wrap: wrap;
    margin-top: 2rem;
}

/* 按钮样式 */
.btn {
    padding: 16px 40px;
    border: none;
    border-radius: 50px;
    font-size: 1.2rem;
    font-weight: 600;
    cursor: pointer;
    transition: all 0.3s;
    text-decoration: none;
    display: inline-block;
}

.btn-primary {
    background: white;
    color: #001f3f;
    border: 2px solid #001f3f;
}

.btn-primary:hover {
    transform: translateY(-2px);
    box-shadow: 0 8px 16px rgba(0, 0, 0, 0.2);
    border-color: #003366;
}

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

.btn-secondary:hover {
    background: white;
    color: #001f3f;
}

/* 检测平台适配 */
.detection-platforms {
    padding: 4rem 0;
    background: #f8f9fa;
    text-align: center;
}

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

.detection-description {
    font-size: 1.1rem;
    margin-bottom: 2rem;
    color: #666;
    max-width: 800px;
    margin-left: auto;
    margin-right: auto;
}

.logos-grid {
    display: flex;
    justify-content: center;
    align-items: center;
    flex-wrap: wrap;
    gap: 1rem;
    margin-top: 2rem;
}

.platform-card {
    background: white;
    padding: 0.8rem 1.5rem;
    border-radius: 10px;
    display: flex;
    align-items: center;
    justify-content: center;
    transition: all 0.3s;
    box-shadow: 0 2px 8px rgba(0, 0, 0, 0.05);
}

.platform-card:hover {
    transform: translateY(-3px);
    box-shadow: 0 4px 12px rgba(0, 0, 0, 0.1);
}

.platform-logo {
    height: 30px;
    object-fit: contain;
}

/* 检测结果对比 */
.comparison-section {
    padding: 4rem 0;
    background: white;
    text-align: center;
}

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

.comparison-description {
    font-size: 1.1rem;
    margin-bottom: 2rem;
    color: #666;
    max-width: 800px;
    margin-left: auto;
    margin-right: auto;
}

.comparison-image-container {
    display: flex;
    justify-content: center;
    align-items: center;
    margin-top: 2rem;
}

.comparison-image {
    max-width: 100%;
    height: auto;
    border-radius: 10px;
    box-shadow: 0 4px 12px rgba(0, 0, 0, 0.1);
    max-height: 500px;
    object-fit: contain;
}

/* 服务介绍 */
.services {
    padding: 5rem 0;
    background: #f8f9fa;
}

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

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

.services-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
    gap: 2rem;
}

.service-card {
    background: white;
    padding: 2rem;
    border-radius: 10px;
    box-shadow: 0 4px 12px rgba(0, 0, 0, 0.1);
    text-align: center;
    transition: transform 0.3s;
}

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

.service-icon {
    font-size: 3rem;
    margin-bottom: 1rem;
    color: #001f3f;
}

.service-card h3 {
    font-size: 1.5rem;
    margin-bottom: 1rem;
    color: #333;
}

.service-card p {
    color: #666;
}

/* 服务特色 */
.service-features {
    padding: 5rem 0;
    background: white;
}

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

.service-features-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(250px, 1fr));
    gap: 2rem;
}

.feature-card {
    background: #f8f9fa;
    padding: 2rem;
    border-radius: 10px;
    box-shadow: 0 4px 12px rgba(0, 0, 0, 0.1);
    text-align: center;
    transition: transform 0.3s;
}

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

.feature-icon {
    font-size: 3rem;
    margin-bottom: 1rem;
    color: #001f3f;
}

.feature-card h3 {
    font-size: 1.5rem;
    margin-bottom: 1rem;
    color: #333;
}

.feature-card p {
    color: #666;
}

/* 用户评价 */
.testimonials {
    padding: 5rem 0;
}

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

.testimonials-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
    gap: 2rem;
}

.testimonial-card {
    background: white;
    padding: 2rem;
    border-radius: 10px;
    box-shadow: 0 4px 12px rgba(0, 0, 0, 0.1);
}

.testimonial-text {
    font-style: italic;
    margin-bottom: 1rem;
    color: #666;
}

.testimonial-author {
    font-weight: 600;
    color: #333;
}

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

/* 价格方案 */
.pricing {
    padding: 5rem 0;
    background: #f8f9fa;
}

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

/* 免费使用计划渐变效果 */
.free-trial-link {
    background: linear-gradient(90deg, #ff0000, #ff6b6b, #ff0000);
    background-size: 200% auto;
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
    animation: gradientShift 3s ease infinite;
    text-shadow: none;
}

@keyframes gradientShift {
    0% {
        background-position: 0% 50%;
    }
    50% {
        background-position: 100% 50%;
    }
    100% {
        background-position: 0% 50%;
    }
}

/* 评价卡片过渡效果 */
.testimonial-card {
    transition: opacity 0.5s ease-in-out, transform 0.5s ease-in-out;
}

.testimonial-card.fade-out {
    opacity: 0;
    transform: translateY(10px);
}

.testimonial-card.fade-in {
    opacity: 1;
    transform: translateY(0);
}

/* 响应式设计 */
@media (max-width: 768px) {
    .hero h1 {
        font-size: 2rem;
    }
    
    .services-grid,
    .testimonials-grid,
    .pricing-grid {
        grid-template-columns: 1fr;
    }
}