/* ============================================
   Home Page — 首页专属样式
   ============================================ */

/* ---- Hero轮播 ---- */
.hero-carousel {
    position: relative;
    width: 100%;
    min-height: calc(100svh - var(--header-height));
    background: var(--gradient-hero);
    overflow: hidden;
}

/* 背景装饰 */
.hero-bg-grid {
    position: absolute;
    inset: 0;
    background-image:
        linear-gradient(rgba(255, 255, 255, 0.02) 1px, transparent 1px),
        linear-gradient(90deg, rgba(255, 255, 255, 0.02) 1px, transparent 1px);
    background-size: 60px 60px;
    pointer-events: none;
}

.hero-bg-glow {
    position: absolute;
    width: 600px;
    height: 600px;
    border-radius: 50%;
    filter: blur(120px);
    opacity: 0.15;
    pointer-events: none;
}

.hero-bg-glow-1 {
    top: -200px;
    right: -100px;
    background: var(--color-primary);
}

.hero-bg-glow-2 {
    bottom: -200px;
    left: -100px;
    background: var(--color-accent);
}

/* 轮播轨道 */
.carousel-track {
    position: relative;
    min-height: calc(100svh - var(--header-height));
}

.carousel-slide {
    position: absolute;
    inset: 0;
    display: flex;
    align-items: center;
    opacity: 0;
    visibility: hidden;
    transition: opacity 0.8s ease, visibility 0s 0.8s;
}

.carousel-slide.active {
    opacity: 1;
    visibility: visible;
    transition: opacity 0.8s ease, visibility 0s;
}

.carousel-slide-inner {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: var(--space-3xl);
    align-items: center;
    width: 100%;
    max-width: var(--container-wide);
    margin: 0 auto;
    padding: var(--space-3xl) var(--space-xl);
}

.carousel-content {
    z-index: 2;
}

.carousel-label {
    display: inline-block;
    font-size: var(--text-sm);
    font-weight: var(--font-semibold);
    color: var(--color-accent);
    text-transform: uppercase;
    letter-spacing: 0.12em;
    margin-bottom: var(--space-lg);
}

.carousel-slide:nth-child(1) .carousel-label {
    display: inline-flex;
    align-items: center;
    gap: var(--space-sm);
}

.carousel-slide:nth-child(1) .carousel-label::after {
    content: '核心产品';
    display: inline-block;
    padding: 1px 8px;
    background: linear-gradient(135deg, #FF6B35, #FF8E53);
    color: #FFFFFF;
    font-size: var(--text-xs);
    border-radius: var(--radius-sm);
    letter-spacing: 0;
    text-transform: none;
}

.carousel-title {
    font-size: var(--text-6xl);
    font-weight: var(--font-extrabold);
    color: var(--color-text-light);
    line-height: 1.1;
    margin-bottom: var(--space-lg);
    letter-spacing: -0.02em;
}

.carousel-desc {
    font-size: var(--text-lg);
    color: var(--color-text-light-2);
    line-height: var(--leading-relaxed);
    margin-bottom: var(--space-2xl);
    max-width: 480px;
}

.carousel-actions {
    display: flex;
    gap: var(--space-md);
    flex-wrap: wrap;
}

/* 轮播视觉图 */
.carousel-visual {
    position: relative;
    display: flex;
    align-items: center;
    justify-content: center;
}

.carousel-visual-frame {
    position: relative;
    width: 100%;
    max-width: 680px;
    aspect-ratio: 16 / 10;
    background: var(--color-bg-dark-3);
    border-radius: var(--radius-xl);
    border: 1px solid rgba(255, 255, 255, 0.08);
    overflow: hidden;
    box-shadow: 0 24px 80px rgba(0, 0, 0, 0.4);
}

.carousel-visual-frame img {
    width: 100%;
    height: 100%;
    object-fit: contain;
    object-position: center;
}

.carousel-visual-placeholder {
    width: 100%;
    height: 100%;
    display: flex;
    flex-direction: column;
    align-items: center;
    justify-content: center;
    gap: var(--space-md);
    color: var(--color-text-light-3);
}

.carousel-visual-placeholder .icon {
    font-size: 48px;
    opacity: 0.5;
}

.carousel-visual-placeholder span {
    font-size: var(--text-sm);
    opacity: 0.5;
}

/* 浮动装饰元素 */
.carousel-visual-float {
    position: absolute;
    background: rgba(0, 84, 166, 0.15);
    backdrop-filter: blur(8px);
    border: 1px solid rgba(255, 255, 255, 0.08);
    border-radius: var(--radius-lg);
    padding: var(--space-sm) var(--space-md);
    font-size: var(--text-xs);
    color: var(--color-text-light-2);
    animation: float 4s ease-in-out infinite;
}

.carousel-visual-float:nth-child(2) {
    top: 20px;
    right: -20px;
    animation-delay: -1s;
}

.carousel-visual-float:nth-child(3) {
    bottom: 30px;
    left: -30px;
    animation-delay: -2s;
}

@keyframes float {
    0%, 100% { transform: translateY(0); }
    50% { transform: translateY(-8px); }
}

/* 轮播控制 */
.carousel-controls {
    position: absolute;
    bottom: var(--space-3xl);
    left: 50%;
    transform: translateX(-50%);
    display: flex;
    align-items: center;
    gap: var(--space-lg);
    z-index: 10;
}

.carousel-dots {
    display: flex;
    gap: var(--space-sm);
}

.carousel-dot {
    width: 8px;
    height: 8px;
    border-radius: var(--radius-full);
    background: rgba(255, 255, 255, 0.25);
    cursor: pointer;
    transition: all var(--transition-base);
    border: none;
    padding: 0;
}

.carousel-dot.active {
    width: 32px;
    background: var(--color-accent);
}

.carousel-arrows {
    display: flex;
    gap: var(--space-sm);
}

.carousel-arrow {
    width: 40px;
    height: 40px;
    border-radius: var(--radius-full);
    background: rgba(255, 255, 255, 0.08);
    border: 1px solid rgba(255, 255, 255, 0.12);
    display: flex;
    align-items: center;
    justify-content: center;
    color: var(--color-text-light-2);
    cursor: pointer;
    transition: all var(--transition-fast);
}

.carousel-arrow:hover {
    background: rgba(255, 255, 255, 0.15);
    color: var(--color-text-light);
}

/* ---- 关于公司 ---- */
.about-section {
    padding: var(--space-5xl) 0;
}

.about-stats {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: var(--space-2xl);
    margin-top: var(--space-3xl);
}

.about-stat {
    text-align: center;
    padding: var(--space-2xl);
    background: var(--color-bg-light-2);
    border-radius: var(--radius-xl);
    transition: transform var(--transition-base);
}

.about-stat:hover {
    transform: translateY(-4px);
}

.about-stat-icon {
    font-size: 36px;
    margin-bottom: var(--space-md);
}

.about-stat h3 {
    font-size: var(--text-2xl);
    margin-bottom: var(--space-xs);
}

.about-stat p {
    font-size: var(--text-sm);
    color: var(--color-text-tertiary);
}

/* ---- 核心产品 SAToe ---- */
.satoe-section {
    padding: var(--space-5xl) 0;
    background: var(--color-bg-dark);
    overflow: hidden;
    position: relative;
}

.satoe-section::before {
    content: '';
    position: absolute;
    top: -1px;
    left: 0;
    right: 0;
    height: 100px;
    background: linear-gradient(to bottom, var(--color-bg-dark), transparent);
    z-index: 1;
    pointer-events: none;
}

.satoe-layout {
    display: grid;
    grid-template-columns: 1.2fr 1fr;
    gap: var(--space-3xl);
    align-items: center;
}

.satoe-visual {
    position: relative;
}

.satoe-screenshot {
    width: 100%;
    aspect-ratio: 16 / 10;
    background: var(--color-bg-dark-3);
    border-radius: var(--radius-xl);
    border: 1px solid rgba(255, 255, 255, 0.08);
    overflow: hidden;
    box-shadow: 0 32px 80px rgba(0, 0, 0, 0.4);
}

.satoe-screenshot img {
    width: 100%;
    height: 100%;
    object-fit: contain;
    object-position: center;
}

.satoe-screenshot-placeholder {
    width: 100%;
    height: 100%;
    display: flex;
    flex-direction: column;
    align-items: center;
    justify-content: center;
    gap: var(--space-md);
    color: var(--color-text-light-3);
}

.satoe-screenshot-placeholder .icon {
    font-size: 56px;
    opacity: 0.4;
}

.satoe-screenshot-placeholder span {
    font-size: var(--text-sm);
    opacity: 0.5;
}

.satoe-info {
    z-index: 2;
}

.satoe-info .section-label {
    display: inline-block;
    font-size: var(--text-sm);
    font-weight: var(--font-semibold);
    color: var(--color-accent);
    text-transform: uppercase;
    letter-spacing: 0.12em;
    margin-bottom: var(--space-md);
}

.satoe-info h2 {
    color: var(--color-text-light);
    margin-bottom: var(--space-lg);
}

.satoe-info > p {
    font-size: var(--text-lg);
    color: var(--color-text-light-2);
    line-height: var(--leading-relaxed);
    margin-bottom: var(--space-2xl);
}

.satoe-features {
    display: flex;
    flex-direction: column;
    gap: var(--space-lg);
    margin-bottom: var(--space-2xl);
}

.satoe-feature {
    display: flex;
    align-items: flex-start;
    gap: var(--space-md);
}

.satoe-feature-icon {
    width: 24px;
    height: 24px;
    border-radius: var(--radius-sm);
    background: var(--gradient-primary);
    display: flex;
    align-items: center;
    justify-content: center;
    flex-shrink: 0;
    margin-top: 2px;
}

.satoe-feature-icon::after {
    content: '';
    width: 8px;
    height: 5px;
    border-left: 2px solid #FFFFFF;
    border-bottom: 2px solid #FFFFFF;
    transform: rotate(-45deg);
    margin-top: -2px;
}

.satoe-feature span {
    font-size: var(--text-base);
    color: var(--color-text-light-2);
}

.satoe-actions {
    display: flex;
    gap: var(--space-md);
    flex-wrap: wrap;
}

/* ---- 产品生态 ---- */
.products-section {
    padding: var(--space-5xl) 0;
}

.products-grid {
    display: grid;
    grid-template-columns: repeat(4, 1fr);
    gap: var(--space-xl);
}

/* ---- 行业应用 ---- */
.industries-section {
    padding: var(--space-5xl) 0;
    background: var(--color-bg-dark-2);
}

.industries-grid {
    display: grid;
    grid-template-columns: repeat(4, 1fr);
    gap: var(--space-lg);
}

.industry-item {
    text-align: center;
    padding: var(--space-2xl) var(--space-lg);
    background: rgba(255, 255, 255, 0.03);
    border: 1px solid rgba(255, 255, 255, 0.06);
    border-radius: var(--radius-xl);
    transition: all var(--transition-base);
}

.industry-item:hover {
    background: rgba(255, 255, 255, 0.06);
    border-color: rgba(255, 255, 255, 0.12);
    transform: translateY(-4px);
}

.industry-item-icon {
    font-size: 36px;
    margin-bottom: var(--space-md);
}

.industry-item h4 {
    font-size: var(--text-base);
    color: var(--color-text-light);
    margin-bottom: var(--space-xs);
}

.industry-item p {
    font-size: var(--text-sm);
    color: var(--color-text-light-3);
}

/* ---- CTA ---- */
.cta-section {
    padding: var(--space-4xl) 0;
    background: var(--gradient-primary);
    text-align: center;
}

.cta-section h2 {
    color: #FFFFFF;
    margin-bottom: var(--space-md);
}

.cta-section p {
    color: rgba(255, 255, 255, 0.85);
    font-size: var(--text-lg);
    margin-bottom: var(--space-2xl);
}

.cta-actions {
    display: flex;
    justify-content: center;
    gap: var(--space-md);
    flex-wrap: wrap;
}

.btn-white {
    background: #FFFFFF;
    color: var(--color-primary);
    font-weight: var(--font-semibold);
}

.btn-white:hover {
    background: rgba(255, 255, 255, 0.9);
    transform: translateY(-1px);
    color: var(--color-primary);
}

.btn-white-outline {
    background: transparent;
    color: #FFFFFF;
    border: 1.5px solid rgba(255, 255, 255, 0.5);
}

.btn-white-outline:hover {
    background: rgba(255, 255, 255, 0.1);
    border-color: #FFFFFF;
    color: #FFFFFF;
}

/* ---- 响应式 ---- */
@media (max-width: 1024px) {
    .carousel-slide-inner {
        grid-template-columns: 1fr;
        gap: var(--space-2xl);
        padding-top: var(--space-3xl);
    }

    .carousel-visual {
        order: -1;
    }

    .carousel-visual-frame {
        max-width: 400px;
        margin: 0 auto;
    }

    .carousel-title {
        font-size: var(--text-4xl);
    }

    .satoe-layout {
        grid-template-columns: 1fr;
        gap: var(--space-2xl);
    }

    .products-grid {
        grid-template-columns: repeat(2, 1fr);
    }

    .industries-grid {
        grid-template-columns: repeat(2, 1fr);
    }
}

@media (max-width: 768px) {
    .hero-carousel {
        min-height: auto;
    }

    .carousel-track {
        min-height: auto;
        padding: var(--space-3xl) 0;
    }

    .carousel-slide {
        position: relative;
        min-height: auto;
    }

    .carousel-slide-inner {
        padding: var(--space-xl) var(--space-md);
    }

    .carousel-title {
        font-size: var(--text-3xl);
    }

    .carousel-desc {
        font-size: var(--text-base);
    }

    .carousel-controls {
        bottom: var(--space-md);
    }

    .about-stats {
        grid-template-columns: 1fr;
        gap: var(--space-md);
    }

    .products-grid {
        grid-template-columns: 1fr;
    }

    .industries-grid {
        grid-template-columns: 1fr 1fr;
    }
}