/* 主页特定样式 */

/* Hero 区域 */
.hero {
    position: relative;
    display: flex;
    align-items: center;
    justify-content: center;
    padding: 240px var(--spacing-lg);
    background-color: var(--secondary-color);
    text-align: center;
    overflow: hidden;
}

.hero::before {
    content: '';
    position: absolute;
    top: 50%;
    left: 50%;
    width: 150%;
    padding-bottom: 150%;
    background: radial-gradient(circle, rgba(0, 122, 255, 0.08) 0%, rgba(242, 242, 247, 0) 60%);
    transform: translate(-50%, -50%);
    z-index: 0;
}

.hero-content {
    position: relative;
    z-index: 1;
    max-width: 950px;
    margin: 0 auto;
}

.hero-content h1 {
    font-size: 5.5rem;
    font-weight: 700;
    margin-bottom: var(--spacing-md);
    line-height: 1.1;
    letter-spacing: -0.025em;
    color: var(--text-primary);
}

.hero-content .subtitle {
    font-size: 1.5rem;
    color: var(--text-secondary);
    max-width: 750px;
    margin: 0 auto var(--spacing-xl);
    line-height: 1.6;
}

.hero-content .cta-buttons {
    display: flex;
    justify-content: center;
    gap: var(--spacing-md);
}

/* 内容区域通用样式 */
.content-section {
    padding: 100px 0;
    background-color: var(--light-color);
}

.section-intro {
    text-align: center;
    max-width: 800px;
    margin: 0 auto 80px;
}

.section-intro h2 {
    font-size: 3.5rem;
    font-weight: 700;
    margin-bottom: var(--spacing-md);
    letter-spacing: -0.015em;
}

.section-intro p {
    font-size: 1.25rem;
    color: var(--text-secondary);
    line-height: 1.7;
}

/* 特色内容 */
.features-grid {
    display: grid;
    grid-template-columns: repeat(2, 1fr);
    gap: 60px 80px;
    align-items: start;
    max-width: 1000px;
    margin: 0 auto;
}

.feature-item {
    display: flex;
    align-items: flex-start;
    gap: var(--spacing-lg);
    text-align: left;
}

.feature-item .feature-icon {
    font-size: 2.5rem;
    color: var(--primary-color);
    margin-top: 5px;
}

.feature-item h3 {
    font-size: 1.5rem;
    font-weight: 600;
    margin-bottom: var(--spacing-sm);
}

.feature-item p {
    font-size: 1rem;
    color: var(--text-secondary);
    line-height: 1.6;
}

/* 热门分类 */
.categories-grid {
    max-width: 900px;
    margin: 0 auto;
}

.category-item {
    display: flex;
    align-items: center;
    gap: var(--spacing-xl);
    padding: var(--spacing-lg) 0;
    border-bottom: 1px solid var(--gray-200);
    text-decoration: none;
    color: var(--text-primary);
    transition: background-color var(--transition-fast);
}

.category-item:last-child {
    border-bottom: none;
}

.category-item:hover {
    background-color: rgba(0, 0, 0, 0.03);
    border-radius: var(--border-radius-lg);
    padding: var(--spacing-lg);
    margin: 0 calc(var(--spacing-lg) * -1);
}

.category-item .category-icon {
    font-size: 2rem;
    color: var(--accent-color);
    width: 60px;
    flex-shrink: 0;
    text-align: center;
}

.category-item .category-info h3 {
    font-size: 1.5rem;
    font-weight: 600;
    margin-bottom: var(--spacing-xs);
}

.category-item .category-info p {
    font-size: 1rem;
    color: var(--text-secondary);
    margin: 0;
}

/* 精选提示词 - 非卡片式 */
.featured-prompts {
    background-color: var(--light-color);
}

.prompts-slider-wrapper {
    position: relative;
    max-width: 900px;
    margin: 0 auto;
    overflow: hidden;
}

.prompts-slider {
    display: flex;
    transition: transform 0.5s cubic-bezier(0.25, 1, 0.5, 1);
}

.prompt-slide-item {
    flex: 0 0 100%;
    padding: 0 var(--spacing-lg);
    text-align: center;
}

.prompt-slide-item h4 {
    font-size: 2.5rem;
    font-weight: 600;
    line-height: 1.3;
    margin-bottom: var(--spacing-md);
}

.prompt-slide-item p {
    font-size: 1.25rem;
    color: var(--text-secondary);
    margin-bottom: var(--spacing-xl);
}

.prompt-slide-item .category {
    font-size: 1rem;
    font-weight: 500;
    color: var(--primary-color);
}

.slider-controls {
    text-align: center;
    margin-top: var(--spacing-xl);
}

.slider-controls button {
    background: none;
    border: none;
    font-size: 1.5rem;
    color: var(--gray-400);
    cursor: pointer;
    margin: 0 var(--spacing-sm);
    padding: var(--spacing-sm);
    transition: color var(--transition-fast);
}

.slider-controls button:hover {
    color: var(--primary-color);
}

/* 用户评价 */
.testimonials-grid {
    text-align: center;
    max-width: 800px;
    margin: 0 auto;
}

.testimonial-item blockquote {
    font-size: 2.25rem;
    font-weight: 600;
    line-height: 1.4;
    margin: 0 auto var(--spacing-lg);
    border: none;
    padding: 0;
    max-width: 700px;
}

.testimonial-item footer {
    display: inline-flex;
    align-items: center;
    gap: var(--spacing-md);
}

.testimonial-item footer img {
    width: 50px;
    height: 50px;
    border-radius: 50%;
}

.testimonial-item footer .author-info h4 {
    font-size: 1rem;
    font-weight: 600;
    margin: 0;
}

.testimonial-item footer .author-info p {
    color: var(--text-secondary);
    margin: 0;
    font-size: 0.9rem;
}