/* 首页特有样式 */

/* 英雄区域 */
.hero {
    position: relative;
    padding: 8rem 0 6rem;
    background: linear-gradient(135deg, var(--primary-light) 0%, #f0f7ff 100%);
    overflow: hidden;
}

.hero::before {
    content: '';
    position: absolute;
    top: 0;
    right: 0;
    width: 50%;
    height: 100%;
    background: url("data:image/svg+xml,%3Csvg width='60' height='60' viewBox='0 0 60 60' xmlns='http://www.w3.org/2000/svg'%3E%3Cg fill='none' fill-rule='evenodd'%3E%3Cg fill='%233498db' fill-opacity='0.05'%3E%3Cpath d='M36 34v-4h-2v4h-4v2h4v4h2v-4h4v-2h-4zm0-30V0h-2v4h-4v2h4v4h2V6h4V4h-4zM6 34v-4H4v4H0v2h4v4h2v-4h4v-2H6zM6 4V0H4v4H0v2h4v4h2V6h4V4H6z'/%3E%3C/g%3E%3C/g%3E%3C/svg%3E");
    opacity: 0.5;
    z-index: 0;
}

.hero-content {
    position: relative;
    z-index: 1;
    max-width: 600px;
}

.hero h1 {
    font-size: 2.8rem;
    margin-bottom: 1.5rem;
    background: linear-gradient(90deg, var(--primary-color), var(--secondary-color));
    -webkit-background-clip: text;
    background-clip: text;
    color: transparent;
}

.hero p {
    font-size: 1.2rem;
    color: var(--light-text);
    margin-bottom: 2rem;
}

.hero-buttons {
    display: flex;
    gap: 1rem;
    flex-wrap: wrap;
}

/* 功能卡片区域 */
.features {
    padding: 8rem 0;
    background-color: var(--white);
}

.section-header {
    text-align: center;
    margin-bottom: 5rem;
}

.section-header h2 {
    font-size: 2.2rem;
    margin-bottom: 1rem;
    position: relative;
    display: inline-block;
}

.section-header h2::after {
    content: '';
    position: absolute;
    bottom: -8px;
    left: 50%;
    transform: translateX(-50%);
    width: 60px;
    height: 3px;
    background-color: var(--primary-color);
    border-radius: 3px;
}

.section-header p {
    max-width: 600px;
    margin: 0 auto;
    color: var(--light-text);
}

.features-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
    gap: 2.5rem;
}

.feature-card {
    background-color: var(--white);
    border-radius: 12px;
    padding: 2.5rem;
    box-shadow: 0 10px 30px rgba(0, 0, 0, 0.05);
    transition: all 0.3s ease;
    position: relative;
    overflow: hidden;
}

.feature-card::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 4px;
    background: linear-gradient(90deg, var(--primary-color), var(--secondary-color));
    transform: scaleX(0);
    transition: transform 0.3s ease;
}

.feature-card:hover {
    transform: translateY(-10px);
    box-shadow: 0 15px 35px rgba(0, 0, 0, 0.1);
}

.feature-card:hover::before {
    transform: scaleX(1);
}

.feature-icon {
    width: 70px;
    height: 70px;
    border-radius: 12px;
    background-color: var(--primary-light);
    display: flex;
    align-items: center;
    justify-content: center;
    margin-bottom: 1.5rem;
    font-size: 1.8rem;
    color: var(--primary-color);
    transition: all 0.3s ease;
}

.feature-card:hover .feature-icon {
    background-color: var(--primary-color);
    color: white;
}

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

.feature-card p {
    color: var(--light-text);
    margin-bottom: 1.5rem;
}

/* 工具预览区 */
.tools-preview {
    padding: 8rem 0;
    background-color: var(--light-bg);
}

.tools-container {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 4rem;
    align-items: center;
}

@media (max-width: 992px) {
    .tools-container {
        grid-template-columns: 1fr;
    }
}

.tool-image {
    position: relative;
}

.tool-image img {
    border-radius: 12px;
    box-shadow: 0 15px 30px rgba(0, 0, 0, 0.1);
}

.tool-badge {
    position: absolute;
    top: -15px;
    right: -15px;
    background-color: var(--secondary-color);
    color: white;
    padding: 0.5rem 1.2rem;
    border-radius: 30px;
    font-weight: 600;
    box-shadow: 0 4px 12px rgba(46, 204, 113, 0.3);
}

.tool-info h3 {
    font-size: 2rem;
    margin-bottom: 1.5rem;
}

.tool-info p {
    color: var(--light-text);
    margin-bottom: 2rem;
}

.tool-features-list {
    margin-bottom: 2rem;
}

.tool-feature-item {
    display: flex;
    align-items: flex-start;
    margin-bottom: 1rem;
}

.tool-feature-item i {
    color: var(--secondary-color);
    margin-right: 0.8rem;
    margin-top: 5px;
}

/* 统计数据区 */
.stats {
    padding: 6rem 0;
    background-color: var(--white);
}

.stats-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(200px, 1fr));
    gap: 2rem;
    text-align: center;
}

.stat-item {
    padding: 2rem;
}

.stat-number {
    font-size: 2.5rem;
    font-weight: 700;
    color: var(--primary-color);
    margin-bottom: 0.5rem;
}

.stat-label {
    color: var(--light-text);
}

/* 调用行动区 */
.cta {
    padding: 10rem 0;
    background: linear-gradient(135deg, var(--primary-color), var(--primary-dark));
    color: white;
    text-align: center;
}

.cta h2 {
    font-size: 2.2rem;
    margin-bottom: 1.5rem;
}

.cta p {
    font-size: 1.1rem;
    max-width: 600px;
    margin: 0 auto 2.5rem;
    opacity: 0.9;
}

.cta .btn {
    background-color: white;
    color: var(--primary-color);
}

.cta .btn:hover {
    background-color: var(--light-bg);
    transform: translateY(-3px);
}

/* 响应式调整 */
@media (max-width: 768px) {
    .hero h1 {
        font-size: 2.2rem;
    }
    
    .section-header h2 {
        font-size: 1.8rem;
    }
    
    .tool-info h3 {
        font-size: 1.6rem;
    }
    
    .cta h2 {
        font-size: 1.8rem;
    }
}

/* 动画效果扩展 */
@keyframes float {
    0% { transform: translateY(0px); }
    50% { transform: translateY(-10px); }
    100% { transform: translateY(0px); }
}

.float {
    animation: float 6s ease-in-out infinite;
}

.delay-1 {
    animation-delay: 1s;
}

.delay-2 {
    animation-delay: 2s;
}