/* === 首页专属样式 === */
.home-hero {
    position: relative;
    min-height: 100vh;
    display: flex;
    align-items: center;
    background: var(--bg-hero-gradient);
    overflow: hidden;
}
.home-hero::before {
    content: '';
    position: absolute;
    top: 5%; right: -10%;
    width: 700px; height: 700px;
    background: radial-gradient(circle, var(--accent-glow) 0%, transparent 60%);
    border-radius: 50%;
    filter: blur(90px);
    animation: float-blob 8s ease-in-out infinite;
    pointer-events: none;
}
.home-hero::after {
    content: '';
    position: absolute;
    bottom: 5%; left: -5%;
    width: 500px; height: 500px;
    background: radial-gradient(circle, rgba(124, 58, 237, 0.25) 0%, transparent 60%);
    border-radius: 50%;
    filter: blur(70px);
    animation: float-blob 10s ease-in-out infinite reverse;
    pointer-events: none;
}
/* Aurora Layer */
.hero-aurora {
    position: absolute;
    inset: 0;
    overflow: hidden;
    pointer-events: none;
    opacity: 0.3;
}
.hero-aurora::before {
    content: '';
    position: absolute;
    top: -20%; left: -10%;
    width: 120%; height: 60%;
    background: linear-gradient(90deg, transparent, rgba(168,85,247,0.15), rgba(124,58,237,0.1), rgba(99,102,241,0.12), transparent);
    background-size: 200% 100%;
    animation: aurora-shift 15s ease-in-out infinite;
    filter: blur(40px);
}
.hero-aurora::after {
    content: '';
    position: absolute;
    bottom: -10%; right: -5%;
    width: 100%; height: 50%;
    background: linear-gradient(90deg, transparent, rgba(139,92,246,0.1), rgba(168,85,247,0.08), transparent);
    background-size: 200% 100%;
    animation: aurora-shift 20s ease-in-out infinite reverse;
    filter: blur(50px);
}
.hero-grid {
    position: absolute;
    inset: 0;
    background-image:
        linear-gradient(var(--grid-color) 1px, transparent 1px),
        linear-gradient(90deg, var(--grid-color) 1px, transparent 1px);
    background-size: 60px 60px;
    opacity: 0.4;
    mask-image: radial-gradient(ellipse at 40% 50%, black 20%, transparent 65%);
    -webkit-mask-image: radial-gradient(ellipse at 40% 50%, black 20%, transparent 65%);
    animation: pulse-opacity 6s ease-in-out infinite;
}
@keyframes pulse-opacity {
    0%, 100% { opacity: 0.3; }
    50% { opacity: 0.5; }
}
.hero-content { position: relative; z-index: 2; max-width: 800px; }
.hero-badge {
    display: inline-flex;
    align-items: center;
    gap: 8px;
    padding: 8px 20px;
    background: var(--bg-glass);
    border: 1px solid var(--border-color);
    border-radius: 50px;
    font-size: 0.85rem;
    color: var(--text-secondary);
    margin-bottom: 32px;
    backdrop-filter: var(--glass-blur);
    animation: fade-up 0.8s ease-out 0.2s both;
}
.hero-badge .dot {
    width: 8px; height: 8px;
    background: #22c55e;
    border-radius: 50%;
    animation: pulse-dot 2s ease-in-out infinite;
}
@keyframes pulse-dot { 0%, 100% { opacity: 1; transform: scale(1); } 50% { opacity: 0.5; transform: scale(0.8); } }
.hero-content h1 {
    font-size: clamp(2.5rem, 6vw, 4.5rem);
    font-weight: 900;
    line-height: 1.1;
    margin-bottom: 24px;
    letter-spacing: -1px;
    animation: fade-up 0.8s ease-out 0.4s both;
}
.hero-content h1 .line-2 {
    display: block;
    font-size: 0.55em;
    font-weight: 400;
    color: var(--text-tertiary);
    letter-spacing: 4px;
    text-transform: uppercase;
    margin-top: 12px;
}
.hero-desc {
    font-size: 1.15rem;
    color: var(--text-secondary);
    max-width: 600px;
    margin-bottom: 40px;
    animation: fade-up 0.8s ease-out 0.6s both;
}
.hero-actions {
    display: flex;
    gap: 16px;
    flex-wrap: wrap;
    animation: fade-up 0.8s ease-out 0.8s both;
}
.hero-stats {
    display: flex;
    gap: 48px;
    margin-top: 64px;
    animation: fade-up 0.8s ease-out 1s both;
}
.stat-item { text-align: left; }
.stat-number {
    font-family: var(--font-en);
    font-size: 2.2rem;
    font-weight: 700;
    color: var(--accent-primary);
    line-height: 1.2;
}
.stat-label { font-size: 0.85rem; color: var(--text-tertiary); margin-top: 4px; }
.hero-visual {
    position: absolute;
    right: -5%; top: 50%;
    transform: translateY(-50%);
    width: 500px; height: 500px;
    z-index: 1;
    opacity: 0.15;
}

/* About Preview */
.about-preview { position: relative; z-index: 1; }
.about-grid { display: grid; grid-template-columns: 1fr 1fr; gap: 64px; align-items: center; }
.about-image {
    position: relative;
    border-radius: var(--radius-xl);
    overflow: hidden;
    aspect-ratio: 4/3;
}
.about-image img { width: 100%; height: 100%; object-fit: cover; }
.about-image::after {
    content: '';
    position: absolute;
    inset: 0;
    border: 1px solid var(--border-color);
    border-radius: var(--radius-xl);
    pointer-events: none;
}
.about-image-badge {
    position: absolute;
    bottom: 20px; left: 20px;
    background: var(--bg-glass);
    backdrop-filter: var(--glass-blur);
    border: 1px solid var(--border-color);
    border-radius: var(--radius-md);
    padding: 16px 24px;
    z-index: 2;
}
.about-image-badge .num { font-family: var(--font-en); font-size: 2rem; font-weight: 700; color: var(--accent-primary); }
.about-image-badge .txt { font-size: 0.8rem; color: var(--text-tertiary); }
.about-text h3 {
    font-size: 2rem; font-weight: 800; margin-bottom: 16px;
}
.about-text p {
    color: var(--text-secondary); font-size: 1rem; margin-bottom: 16px; line-height: 1.8;
}
.about-features {
    display: grid; grid-template-columns: 1fr 1fr; gap: 16px; margin-top: 32px;
}
.about-feature-item {
    display: flex; align-items: center; gap: 12px;
    padding: 12px 16px;
    background: var(--bg-glass);
    border: 1px solid var(--border-color);
    border-radius: var(--radius-sm);
    font-size: 0.9rem;
    color: var(--text-secondary);
}
.about-feature-item .icon {
    width: 36px; height: 36px;
    border-radius: 10px;
    background: var(--accent-gradient);
    display: flex; align-items: center; justify-content: center;
    font-size: 0.9rem; color: #fff; flex-shrink: 0;
}

/* Services Grid */
.services-grid { display: grid; grid-template-columns: repeat(4, 1fr); gap: 24px; }
.service-card {
    background: var(--bg-card);
    border: 1px solid var(--border-color);
    border-radius: 24px;
    padding: 32px 24px;
    text-align: center;
    backdrop-filter: var(--glass-blur);
    transition: all 0.4s cubic-bezier(0.4, 0, 0.2, 1);
    position: relative;
    overflow: hidden;
}
.service-card::before {
    content: '';
    position: absolute;
    top: 0; left: 0;
    width: 100%; height: 100%;
    background: var(--card-shine);
    pointer-events: none;
}
.service-card:hover {
    background: var(--bg-card-hover);
    border-color: var(--border-glow);
    transform: translateY(-6px);
    box-shadow: var(--shadow-lg);
}
.service-icon {
    width: 64px; height: 64px;
    margin: 0 auto 20px;
    border-radius: 50%;
    background: var(--accent-gradient);
    display: flex; align-items: center; justify-content: center;
    font-size: 1.6rem;
    box-shadow: 0 4px 16px var(--accent-glow);
    transition: transform 0.3s;
}
.service-card:hover .service-icon { transform: scale(1.1) rotate(5deg); }
.service-card h3 { font-size: 1.1rem; font-weight: 700; margin-bottom: 10px; }
.service-card p { font-size: 0.85rem; color: var(--text-tertiary); line-height: 1.6; }

/* AI Section */
.ai-section {
    position: relative;
    overflow: hidden;
}
.ai-bg-decor {
    position: absolute;
    inset: 0;
    overflow: hidden;
    pointer-events: none;
}
.ai-orb {
    position: absolute;
    border-radius: 50%;
    filter: blur(60px);
    opacity: 0.3;
}
.ai-orb-1 { width: 300px; height: 300px; background: #a855f7; top: 10%; left: 5%; animation: orb-float 12s ease-in-out infinite; }
.ai-orb-2 { width: 200px; height: 200px; background: #7c3aed; bottom: 20%; right: 10%; animation: orb-float 10s ease-in-out infinite reverse; }
@keyframes orb-float { 0%, 100% { transform: translate(0,0); } 50% { transform: translate(40px, -30px); } }
.ai-grid { display: grid; grid-template-columns: repeat(3, 1fr); gap: 24px; position: relative; z-index: 2; }
.ai-card {
    background: var(--bg-card);
    border: 1px solid var(--border-color);
    border-radius: 24px;
    padding: 32px;
    backdrop-filter: var(--glass-blur);
    transition: all 0.4s;
    position: relative;
    overflow: hidden;
}
.ai-card::before {
    content: '';
    position: absolute;
    top: 0; left: 0;
    width: 100%; height: 100%;
    background: var(--card-shine);
    pointer-events: none;
}
.ai-card:hover { background: var(--bg-card-hover); border-color: var(--border-glow); transform: translateY(-4px); box-shadow: var(--shadow-lg); }
.ai-card-icon {
    width: 56px; height: 56px;
    border-radius: 50%;
    background: linear-gradient(135deg, rgba(168,85,247,0.2), rgba(124,58,237,0.2));
    border: 1px solid var(--border-color);
    display: flex; align-items: center; justify-content: center;
    font-size: 1.4rem;
    margin-bottom: 20px;
    transition: all 0.3s;
}
.ai-card:hover .ai-card-icon { border-color: var(--accent-primary); box-shadow: var(--shadow-glow); }
.ai-card h3 { font-size: 1.15rem; font-weight: 700; margin-bottom: 10px; }
.ai-card p { font-size: 0.88rem; color: var(--text-tertiary); line-height: 1.7; }

/* Products Showcase */
.products-showcase { display: grid; grid-template-columns: repeat(3, 1fr); gap: 24px; }
.product-card {
    background: var(--bg-card);
    border: 1px solid var(--border-color);
    border-radius: 24px;
    overflow: hidden;
    backdrop-filter: var(--glass-blur);
    transition: all 0.4s;
    position: relative;
}
.product-card:hover { background: var(--bg-card-hover); border-color: var(--border-glow); transform: translateY(-4px); box-shadow: var(--shadow-lg); }
.product-card-img {
    position: relative;
    aspect-ratio: 16/10;
    overflow: hidden;
    border-radius: 24px 24px 0 0;
}
.product-card-img img {
    width: 100%; height: 100%; object-fit: cover;
    transition: transform 0.5s;
}
.product-card:hover .product-card-img img { transform: scale(1.08); }
.product-card-img img {
    border-radius: 24px 24px 0 0;
}
.product-card-img::after {
    content: '';
    position: absolute;
    inset: 0;
    background: linear-gradient(180deg, transparent 40%, var(--image-overlay) 100%);
    border-radius: 24px 24px 0 0;
}
.product-card-tag {
    position: absolute;
    top: 16px; left: 16px;
    z-index: 2;
}
.product-card-body { padding: 24px 24px 28px; position: relative; border-radius: 0 0 24px 24px; }
.product-card-body h3 { font-size: 1.1rem; font-weight: 700; margin-bottom: 8px; }
.product-card-body p { font-size: 0.85rem; color: var(--text-tertiary); line-height: 1.7; margin-bottom: 16px; }
.product-card-link {
    display: inline-flex;
    align-items: center;
    gap: 6px;
    font-size: 0.85rem;
    font-weight: 600;
    color: var(--accent-primary);
    transition: gap 0.3s;
}
.product-card:hover .product-card-link { gap: 10px; }

/* Process Steps */
.process-grid { display: grid; grid-template-columns: repeat(5, 1fr); gap: 20px; position: relative; }
.process-grid::before {
    content: '';
    position: absolute;
    top: 50px;
    left: 10%; right: 10%;
    height: 2px;
    background: linear-gradient(90deg, var(--border-color), var(--accent-primary), var(--border-color));
    z-index: 0;
}
.process-step { text-align: center; position: relative; z-index: 1; }
.process-step-num {
    width: 56px; height: 56px;
    margin: 0 auto 20px;
    border-radius: 50%;
    background: var(--bg-card);
    border: 2px solid var(--accent-primary);
    display: flex; align-items: center; justify-content: center;
    font-family: var(--font-en);
    font-size: 1.2rem;
    font-weight: 700;
    color: var(--accent-primary);
    transition: all 0.3s;
}
.process-step:hover .process-step-num {
    background: var(--accent-gradient);
    color: #fff;
    box-shadow: var(--shadow-glow);
    transform: scale(1.1);
}
.process-step h4 { font-size: 1rem; font-weight: 600; margin-bottom: 8px; }
.process-step p { font-size: 0.82rem; color: var(--text-tertiary); line-height: 1.5; }

/* News Cards */
.news-grid { display: grid; grid-template-columns: repeat(3, 1fr); gap: 24px; }
.news-card {
    background: var(--bg-card);
    border: 1px solid var(--border-color);
    border-radius: 24px;
    overflow: hidden;
    backdrop-filter: var(--glass-blur);
    transition: all 0.4s;
}
.news-card:hover { background: var(--bg-card-hover); border-color: var(--border-glow); transform: translateY(-4px); box-shadow: var(--shadow-lg); }
.news-card-img { aspect-ratio: 16/9; overflow: hidden; }
.news-card-img img { width: 100%; height: 100%; object-fit: cover; transition: transform 0.5s; }
.news-card:hover .news-card-img img { transform: scale(1.05); }
.news-card-body { padding: 24px; }
.news-card-meta { display: flex; gap: 12px; align-items: center; margin-bottom: 12px; font-size: 0.8rem; color: var(--text-tertiary); }
.news-card-body h3 { font-size: 1.05rem; font-weight: 700; margin-bottom: 8px; line-height: 1.4; }
.news-card-body p { font-size: 0.85rem; color: var(--text-tertiary); line-height: 1.6; }

/* CTA Section */
.cta-section {
    position: relative;
    overflow: hidden;
    text-align: center;
    padding: 100px 0;
}
.cta-section::before {
    content: '';
    position: absolute;
    inset: 0;
    background: linear-gradient(135deg, rgba(168,85,247,0.08), rgba(124,58,237,0.05));
    pointer-events: none;
}
.cta-content { position: relative; z-index: 2; }
.cta-content h2 {
    font-size: clamp(1.8rem, 4vw, 2.8rem);
    font-weight: 800;
    margin-bottom: 16px;
}
.cta-content p {
    font-size: 1.1rem;
    color: var(--text-secondary);
    max-width: 500px;
    margin: 0 auto 32px;
}

/* Partners */
.partners-scroll {
    display: flex;
    gap: 48px;
    animation: scroll-partners 30s linear infinite;
}
@keyframes scroll-partners {
    from { transform: translateX(0); }
    to { transform: translateX(-50%); }
}
.partner-item {
    flex-shrink: 0;
    padding: 16px 32px;
    background: var(--bg-glass);
    border: 1px solid var(--border-color);
    border-radius: var(--radius-md);
    color: var(--text-tertiary);
    font-size: 0.9rem;
    font-weight: 600;
    white-space: nowrap;
    transition: all 0.3s;
}
.partner-item:hover { border-color: var(--accent-primary); color: var(--accent-primary); }

/* Homepage Responsive */
@media (max-width: 1024px) {
    .services-grid { grid-template-columns: repeat(2, 1fr); }
    .ai-grid { grid-template-columns: 1fr 1fr; }
    .process-grid { grid-template-columns: repeat(3, 1fr); }
    .process-grid::before { display: none; }
    .about-grid { grid-template-columns: 1fr; }
    .hero-visual { display: none; }
}
@media (max-width: 768px) {
    .services-grid { grid-template-columns: 1fr; }
    .ai-grid { grid-template-columns: 1fr; }
    .products-showcase { grid-template-columns: 1fr; }
    .news-grid { grid-template-columns: 1fr; }
    .process-grid { grid-template-columns: 1fr 1fr; }
    .hero-stats { flex-direction: column; gap: 24px; }
    .about-features { grid-template-columns: 1fr; }
}