/* ===== 首页特有样式 ===== */

/* Hero主横幅区域 */
.hero-section {
    padding: var(--spacing-16) 0 var(--spacing-12);
    background: linear-gradient(135deg, var(--color-bg-light) 0%, var(--color-white) 100%);
    border-bottom: 1px solid var(--color-border);
    position: relative;
    overflow: hidden;
}

.hero-background {
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    z-index: var(--z-negative);
}

.particles-container {
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
}

.hero-content {
    text-align: center;
    max-width: var(--container-sm);
    margin: 0 auto;
    position: relative;
    z-index: var(--z-elevate);
}

.hero-icon {
    font-size: var(--font-size-5xl);
    margin-bottom: var(--spacing-4);
    display: inline-block;
}

.animated-icon {
    animation: float 3s ease-in-out infinite;
}

.hero-title {
    font-size: var(--font-size-5xl);
    font-weight: var(--font-weight-bold);
    color: var(--color-text-dark);
    line-height: 1.1;
    margin-bottom: var(--spacing-4);
    letter-spacing: -0.02em;
}

.hero-subtitle {
    font-size: var(--font-size-lg);
    color: var(--color-text-light);
    max-width: var(--container-xs);
    margin: 0 auto var(--spacing-10);
    line-height: 1.6;
}

/* 交互式搜索栏 */
.interactive-search {
    position: relative;
    max-width: var(--container-sm);
    margin: 0 auto var(--spacing-12);
}

.search-container {
    max-width: var(--container-xs);
    margin: 0 auto var(--spacing-8);
}

.search-form {
    display: flex;
    gap: var(--spacing-3);
    background: var(--color-white);
    border-radius: var(--radius-lg);
    padding: var(--spacing-2);
    box-shadow: var(--shadow-lg);
    border: 1px solid var(--color-border);
    transition: var(--transition-base);
}

.search-form:focus-within {
    box-shadow: var(--shadow-primary);
    border-color: var(--color-primary);
}

.search-input-wrapper {
    flex: 1;
    position: relative;
}

.search-icon {
    position: absolute;
    left: var(--spacing-4);
    top: 50%;
    transform: translateY(-50%);
    color: var(--color-gray-400);
    font-size: var(--font-size-lg);
}

.search-input {
    width: 100%;
    padding: var(--spacing-4) var(--spacing-4) var(--spacing-4) var(--spacing-12);
    border: none;
    background: transparent;
    font-size: var(--font-size-base);
    color: var(--color-text-dark);
    outline: none;
}

.search-input::placeholder {
    color: var(--color-gray-400);
}

.clear-search {
    position: absolute;
    right: var(--spacing-4);
    top: 50%;
    transform: translateY(-50%);
    background: none;
    border: none;
    color: var(--color-gray-400);
    cursor: pointer;
    padding: var(--spacing-1);
    display: none;
}

.search-input:not(:placeholder-shown) + .search-actions .clear-search {
    display: block;
}

.search-btn {
    background: var(--gradient-primary);
    color: var(--color-white);
    border: none;
    border-radius: var(--radius-md);
    padding: 0 var(--spacing-6);
    font-weight: var(--font-weight-semibold);
    font-size: 0.95rem;
    cursor: pointer;
    transition: var(--transition-fast);
    white-space: nowrap;
    display: flex;
    align-items: center;
    gap: var(--spacing-2);
}

.search-btn:hover {
    opacity: 0.95;
    transform: translateY(-1px);
    box-shadow: var(--shadow-primary);
}

.scroll-indicator {
    position: absolute;
    bottom: var(--spacing-4);
    left: 50%;
    transform: translateX(-50%);
    color: var(--color-gray-400);
    font-size: 1.5rem;
    animation: bounce 2s infinite;
}

/* 分类/使用场景区域 (Usage Scenarios) */
.categories-section {
    padding: var(--spacing-12) 0;
    background-color: var(--color-bg-light);
}

.categories-slider-container {
    position: relative;
    padding: 0 var(--spacing-8);
    margin-bottom: var(--spacing-8);
}

.categories-slider {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(160px, 1fr));
    gap: var(--spacing-6);
    padding: var(--spacing-4) 0;
}

.category-card {
    background: var(--color-white);
    border-radius: var(--radius-lg);
    padding: var(--spacing-6);
    text-align: center;
    border: 1px solid var(--color-border);
    transition: var(--transition-base);
    display: flex;
    flex-direction: column;
    align-items: center;
    gap: var(--spacing-3);
    text-decoration: none;
}

.category-card:hover {
    transform: translateY(-4px);
    box-shadow: var(--shadow-lg);
    border-color: var(--color-primary);
}

.category-icon {
    font-size: 2.5rem;
    margin-bottom: var(--spacing-2);
}

.category-name {
    font-size: var(--font-size-base);
    font-weight: var(--font-weight-semibold);
    color: var(--color-text-dark);
    margin: 0;
}

.category-version {
    font-size: var(--font-size-xs);
    color: var(--color-primary);
    background: var(--color-purple-100);
    padding: var(--spacing-1) var(--spacing-3);
    border-radius: var(--radius-full);
    font-weight: var(--font-weight-medium);
}

.slider-nav {
    position: absolute;
    top: 50%;
    transform: translateY(-50%);
    width: var(--btn-height-small);
    height: var(--btn-height-small);
    border-radius: 50%;
    background: var(--color-white);
    border: 1px solid var(--color-border);
    color: var(--color-text-light);
    display: flex;
    align-items: center;
    justify-content: center;
    cursor: pointer;
    transition: var(--transition-fast);
    box-shadow: var(--shadow-sm);
    z-index: var(--z-elevate);
}

.slider-nav:hover {
    background: var(--color-primary);
    color: var(--color-white);
    border-color: var(--color-primary);
}

.prev-slide {
    left: 0;
}

.next-slide {
    right: 0;
}

/* 移动端隐藏滑块导航，改为横向滚动 */
@media (max-width: 768px) {
    .slider-nav {
        display: none;
    }
    
    .categories-slider-container {
        padding: 0;
    }
    
    .categories-slider {
        display: flex;
        overflow-x: auto;
        scroll-snap-type: x mandatory;
        padding-bottom: var(--spacing-4);
        /* 隐藏滚动条 */
        scrollbar-width: none; /* Firefox */
        -ms-overflow-style: none; /* IE/Edge */
    }

    .categories-slider::-webkit-scrollbar {
        display: none; /* Chrome/Safari/Opera */
    }
    
    .category-card {
        min-width: 140px;
        scroll-snap-align: start;
    }

    /* Hero section mobile adjustments */
    .hero-title {
        font-size: var(--font-size-3xl);
    }

    .hero-subtitle {
        font-size: var(--font-size-base);
        padding: 0 var(--spacing-4);
    }

    .search-form {
        flex-direction: column;
        padding: var(--spacing-3);
    }

    .search-btn {
        width: 100%;
        justify-content: center;
        padding: var(--spacing-3);
        margin-top: var(--spacing-2);
    }

    /* Features grid mobile adjustments */
    .features-grid {
        grid-template-columns: 1fr;
    }

    .products-view.grid-view {
        grid-template-columns: repeat(auto-fill, minmax(100%, 1fr));
        gap: var(--spacing-4);
    }

    .products-header {
        flex-direction: column;
        align-items: flex-start;
        gap: var(--spacing-4);
    }
    
    .products-controls {
        width: 100%;
        justify-content: space-between;
    }
}



/* 为什么选择我们 */
.features-section {
    padding: var(--spacing-12) 0;
}

.section-header {
    text-align: center;
    margin-bottom: var(--spacing-10);
}

.section-title {
    font-size: 2rem;
    font-weight: var(--font-weight-bold);
    color: var(--color-text-dark);
    margin-bottom: var(--spacing-3);
    display: flex;
    align-items: center;
    justify-content: center;
    gap: var(--spacing-3);
}

.section-subtitle {
    font-size: var(--font-size-lg);
    color: var(--color-text-light);
    max-width: 600px;
    margin: 0 auto;
}

/* 功能网格 */
.features-grid {
    display: grid;
    grid-template-columns: repeat(4, 1fr);
    gap: var(--spacing-6);
}

.feature-card {
    background: var(--color-white);
    border-radius: var(--radius-lg);
    padding: var(--spacing-6);
    text-align: center;
    box-shadow: var(--shadow-md);
    border: 1px solid var(--color-gray-100);
    transition: var(--transition-base);
    position: relative;
    overflow: hidden;
    cursor: pointer;
}

.feature-card:hover {
    transform: translateY(-4px);
    box-shadow: var(--shadow-xl);
    border-color: var(--color-border);
}

.pattern-bg {
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    height: 4rem;
    background: repeating-linear-gradient(
        45deg,
        rgba(139, 92, 246, 0.1),
        rgba(139, 92, 246, 0.1) 10px,
        transparent 10px,
        transparent 20px
    );
    opacity: 0.6;
}

.feature-content {
    position: relative;
    z-index: var(--z-elevate);
}

.feature-title {
    font-size: var(--font-size-xl);
    font-weight: var(--font-weight-bold);
    color: var(--color-text-dark);
    margin: var(--spacing-4) 0 var(--spacing-3);
}

.feature-description {
    color: var(--color-text-light);
    font-size: var(--font-size-sm);
    line-height: 1.5;
    margin-bottom: var(--spacing-2);
}

.feature-stats {
    font-size: var(--font-size-sm);
    color: var(--color-primary);
    font-weight: var(--font-weight-semibold);
}

/* 热门提示词 */
.products-section {
    padding: var(--spacing-12) 0;
}

.products-header {
    display: flex;
    justify-content: space-between;
    align-items: flex-end;
    margin-bottom: var(--spacing-8);
}

.products-controls {
    display: flex;
    align-items: center;
    gap: var(--spacing-4);
}

.sort-control {
    display: flex;
    align-items: center;
    gap: var(--spacing-2);
}

.sort-control label {
    font-size: var(--font-size-sm);
    color: var(--color-text-light);
}

.sort-select {
    padding: var(--spacing-2) var(--spacing-4);
    border: 1px solid var(--color-border);
    border-radius: var(--radius-sm);
    background: var(--color-white);
    color: var(--color-gray-600);
    font-size: var(--font-size-sm);
    cursor: pointer;
}

.view-toggle {
    width: 36px;
    height: 36px;
    border: 1px solid var(--color-border);
    background: var(--color-white);
    border-radius: var(--radius-sm);
    display: flex;
    align-items: center;
    justify-content: center;
    cursor: pointer;
    color: var(--color-text-light);
    transition: var(--transition-fast);
}

.view-toggle:hover {
    border-color: var(--color-gray-300);
    color: var(--color-text-dark);
}

.view-toggle.active {
    background: var(--color-primary);
    border-color: var(--color-primary);
    color: var(--color-white);
}

/* Products Grid (Updated to match all-prompts layout) */
.products-view.grid-view {
    display: grid;
    grid-template-columns: repeat(auto-fill, minmax(280px, 1fr));
    gap: 25px;
}

.load-more-container {
    text-align: center;
    margin-top: 2rem;
}

.load-more-btn {
    padding: 0.75rem 2rem;
}