/* ========================================
   首页专用样式
   左右对撞错位布局
   ======================================== */

/* Hero Section - 全屏 Banner */
.hero {
    min-height: 100vh;
    display: flex;
    align-items: center;
    position: relative;
    padding-top: 80px;
    background: linear-gradient(135deg, var(--color-deep-black) 0%, var(--color-dark-gray) 100%);
    overflow: hidden;
}

.hero::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    background: 
        repeating-linear-gradient(
            90deg,
            transparent,
            transparent 2px,
            rgba(212, 165, 116, 0.03) 2px,
            rgba(212, 165, 116, 0.03) 4px
        );
    pointer-events: none;
}

.hero-container {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 60px;
    align-items: center;
    position: relative;
    z-index: 1;
}

.hero-content {
    padding: 40px 0;
}

.hero-badge {
    display: inline-block;
    background: linear-gradient(90deg, var(--color-light-brown), var(--color-brown-accent));
    color: var(--color-deep-black);
    padding: 8px 20px;
    border-radius: 30px;
    font-size: 0.85rem;
    font-weight: 600;
    margin-bottom: 25px;
    letter-spacing: 1px;
}

.hero-title {
    font-size: 3.5rem;
    line-height: 1.2;
    margin-bottom: 20px;
    background: linear-gradient(135deg, var(--color-text-primary) 0%, var(--color-light-brown) 100%);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
}

.hero-subtitle {
    font-size: 1.2rem;
    color: var(--color-text-secondary);
    margin-bottom: 35px;
    line-height: 1.8;
}

.hero-buttons {
    display: flex;
    gap: 20px;
    flex-wrap: wrap;
}

.btn {
    display: inline-flex;
    align-items: center;
    gap: 10px;
    padding: 14px 35px;
    border-radius: 5px;
    font-weight: 600;
    font-size: 1rem;
    transition: var(--transition-smooth);
    cursor: pointer;
    border: none;
}

.btn-primary {
    background: linear-gradient(135deg, var(--color-light-brown), var(--color-brown-accent));
    color: var(--color-deep-black);
}

.btn-primary:hover {
    transform: translateY(-3px);
    box-shadow: 0 10px 30px rgba(212, 165, 116, 0.4);
}

.btn-outline {
    background: transparent;
    border: 2px solid var(--color-light-brown);
    color: var(--color-light-brown);
}

.btn-outline:hover {
    background: var(--color-light-brown);
    color: var(--color-deep-black);
    transform: translateY(-3px);
}

.hero-image-wrapper {
    position: relative;
    animation: float 6s ease-in-out infinite;
}

@keyframes float {
    0%, 100% {
        transform: translateY(0);
    }
    50% {
        transform: translateY(-20px);
    }
}

.hero-image {
    width: 100%;
    height: 500px;
    object-fit: cover;
    border-radius: 10px;
    box-shadow: var(--shadow-strong);
    border: 2px solid var(--color-border);
}

.hero-overlay {
    position: absolute;
    bottom: -30px;
    right: -30px;
    width: 200px;
    height: 200px;
    background: linear-gradient(135deg, var(--color-light-brown), var(--color-brown-accent));
    border-radius: 10px;
    z-index: -1;
    opacity: 0.3;
}

/* Gradient Divider */
.gradient-divider {
    height: 3px;
    background: linear-gradient(90deg, 
        transparent 0%, 
        var(--color-light-brown) 20%, 
        var(--color-brown-accent) 50%, 
        var(--color-light-brown) 80%, 
        transparent 100%
    );
    margin: 80px 0;
}

/* Services Section - 错位布局 */
.services {
    padding: 100px 0;
    background: var(--color-dark-gray);
}

.section-header {
    text-align: center;
    margin-bottom: 70px;
}

.section-tag {
    display: inline-block;
    color: var(--color-light-brown);
    font-size: 0.9rem;
    letter-spacing: 2px;
    text-transform: uppercase;
    margin-bottom: 15px;
}

.section-title {
    font-size: 2.5rem;
    color: var(--color-text-primary);
    margin-bottom: 20px;
}

.section-desc {
    max-width: 600px;
    margin: 0 auto;
    color: var(--color-text-secondary);
    line-height: 1.8;
}

.services-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(320px, 1fr));
    gap: 40px;
}

.service-card {
    background: var(--color-deep-black);
    border: 1px solid var(--color-border);
    border-radius: 10px;
    padding: 35px;
    transition: var(--transition-smooth);
    position: relative;
    overflow: hidden;
}

.service-card::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    width: 4px;
    height: 0;
    background: linear-gradient(180deg, var(--color-light-brown), var(--color-brown-accent));
    transition: var(--transition-smooth);
}

.service-card:hover {
    transform: translateY(-10px);
    box-shadow: var(--shadow-strong);
    border-color: var(--color-light-brown);
}

.service-card:hover::before {
    height: 100%;
}

.service-icon {
    width: 60px;
    height: 60px;
    background: linear-gradient(135deg, var(--color-light-brown), var(--color-brown-accent));
    border-radius: 10px;
    display: flex;
    align-items: center;
    justify-content: center;
    margin-bottom: 25px;
    font-size: 1.8rem;
}

.service-card h3 {
    font-size: 1.4rem;
    margin-bottom: 15px;
    color: var(--color-text-primary);
}

.service-card p {
    color: var(--color-text-secondary);
    line-height: 1.7;
    margin-bottom: 20px;
}

.service-link {
    color: var(--color-light-brown);
    font-weight: 600;
    display: inline-flex;
    align-items: center;
    gap: 8px;
}

.service-link:hover {
    gap: 12px;
}

/* Features Section - 左文右图错位 */
.features {
    padding: 100px 0;
    background: var(--color-deep-black);
}

.feature-row {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 80px;
    align-items: center;
    margin-bottom: 80px;
}

.feature-row.reverse {
    direction: rtl;
}

.feature-row.reverse .feature-content {
    direction: ltr;
}

.feature-image-wrapper {
    position: relative;
}

.feature-image {
    width: 100%;
    height: 400px;
    object-fit: cover;
    border-radius: 10px;
    box-shadow: var(--shadow-strong);
}

.feature-accent {
    position: absolute;
    top: -20px;
    left: -20px;
    width: 100px;
    height: 100px;
    border-top: 3px solid var(--color-light-brown);
    border-left: 3px solid var(--color-light-brown);
}

.feature-content {
    padding: 30px;
}

.feature-content h2 {
    font-size: 2rem;
    margin-bottom: 20px;
    color: var(--color-text-primary);
}

.feature-content p {
    color: var(--color-text-secondary);
    line-height: 1.8;
    margin-bottom: 25px;
}

.feature-list {
    margin-bottom: 30px;
}

.feature-list li {
    display: flex;
    align-items: center;
    gap: 12px;
    margin-bottom: 15px;
    color: var(--color-text-primary);
}

.feature-list li::before {
    content: '✓';
    width: 24px;
    height: 24px;
    background: var(--color-light-brown);
    color: var(--color-deep-black);
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    font-weight: 700;
    font-size: 0.8rem;
}

/* News Section */
.news-section {
    padding: 100px 0;
    background: var(--color-dark-gray);
}

.news-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
    gap: 30px;
}

.news-card {
    background: var(--color-deep-black);
    border: 1px solid var(--color-border);
    border-radius: 10px;
    overflow: hidden;
    transition: var(--transition-smooth);
}

.news-card:hover {
    transform: translateY(-8px);
    box-shadow: var(--shadow-strong);
    border-color: var(--color-light-brown);
}

.news-image {
    width: 100%;
    height: 200px;
    object-fit: cover;
}

.news-content {
    padding: 25px;
}

.news-date {
    color: var(--color-light-brown);
    font-size: 0.85rem;
    margin-bottom: 12px;
    display: block;
}

.news-card h3 {
    font-size: 1.2rem;
    margin-bottom: 12px;
    color: var(--color-text-primary);
    line-height: 1.5;
}

.news-excerpt {
    color: var(--color-text-secondary);
    font-size: 0.95rem;
    line-height: 1.6;
    margin-bottom: 20px;
    display: -webkit-box;
    -webkit-line-clamp: 3;
    -webkit-box-orient: vertical;
    overflow: hidden;
}

.news-more {
    color: var(--color-light-brown);
    font-weight: 600;
    display: inline-flex;
    align-items: center;
    gap: 8px;
}

.news-more:hover {
    gap: 12px;
}

/* CTA Section */
.cta {
    padding: 100px 0;
    background: linear-gradient(135deg, var(--color-deep-black) 0%, var(--color-dark-gray) 100%);
    text-align: center;
}

.cta-content {
    max-width: 700px;
    margin: 0 auto;
}

.cta h2 {
    font-size: 2.5rem;
    margin-bottom: 20px;
    background: linear-gradient(135deg, var(--color-text-primary) 0%, var(--color-light-brown) 100%);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
}

.cta p {
    color: var(--color-text-secondary);
    font-size: 1.1rem;
    margin-bottom: 35px;
    line-height: 1.8;
}

/* Responsive */
@media (max-width: 992px) {
    .hero-container,
    .feature-row {
        grid-template-columns: 1fr;
        gap: 40px;
    }

    .feature-row.reverse {
        direction: ltr;
    }

    .hero-title {
        font-size: 2.5rem;
    }

    .hero-image {
        height: 350px;
    }
}

@media (max-width: 768px) {
    .hero {
        padding-top: 100px;
        min-height: auto;
        padding-bottom: 60px;
    }

    .hero-title {
        font-size: 2rem;
    }

    .hero-subtitle {
        font-size: 1rem;
    }

    .section-title {
        font-size: 1.8rem;
    }

    .services,
    .features,
    .news-section,
    .cta {
        padding: 60px 0;
    }
}