/* ========================================
   首页专用样式
   ======================================== */

/* Hero Section - 非传统布局 */
.hero {
    min-height: 100vh;
    display: flex;
    align-items: center;
    position: relative;
    background: linear-gradient(135deg, var(--color-cream) 0%, var(--color-warm-gray) 100%);
    padding-top: 80px;
    overflow: hidden;
}

.hero::before {
    content: '';
    position: absolute;
    top: -50%;
    right: -20%;
    width: 80%;
    height: 200%;
    background: radial-gradient(ellipse, rgba(212, 175, 55, 0.08) 0%, transparent 70%);
    transform: rotate(-15deg);
}

.hero-inner {
    display: grid;
    grid-template-columns: 1.2fr 1fr;
    gap: 80px;
    align-items: center;
    position: relative;
    z-index: 1;
}

@media (max-width: 992px) {
    .hero-inner {
        grid-template-columns: 1fr;
        gap: 50px;
        text-align: center;
    }
}

.hero-content h1 {
    font-size: 56px;
    line-height: 1.2;
    color: var(--color-deep-brown);
    margin-bottom: 25px;
    font-weight: 700;
    letter-spacing: -1px;
}

@media (max-width: 768px) {
    .hero-content h1 {
        font-size: 40px;
    }
}

.hero-content .subtitle {
    font-size: 20px;
    color: var(--color-text-light);
    margin-bottom: 40px;
    line-height: 1.8;
}

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

@media (max-width: 768px) {
    .hero-buttons {
        justify-content: center;
    }
}

.hero-visual {
    position: relative;
}

.hero-image-wrapper {
    position: relative;
    border-radius: 20px;
    overflow: hidden;
    box-shadow: var(--shadow-strong);
}

.hero-image-wrapper img {
    width: 100%;
    height: 600px;
    object-fit: cover;
}

.hero-accent {
    position: absolute;
    bottom: -40px;
    left: -40px;
    width: 200px;
    height: 200px;
    background: var(--color-champagne);
    border-radius: 50%;
    opacity: 0.1;
}

/* Services Section - 交错卡片布局 */
.services {
    padding: 120px 0;
    background: var(--color-white);
}

.services-grid {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: 40px;
}

@media (max-width: 992px) {
    .services-grid {
        grid-template-columns: repeat(2, 1fr);
    }
}

@media (max-width: 576px) {
    .services-grid {
        grid-template-columns: 1fr;
    }
}

.service-card {
    background: var(--color-cream);
    padding: 50px 35px;
    border-radius: 15px;
    transition: var(--transition-smooth);
    position: relative;
    overflow: hidden;
}

.service-card::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    width: 4px;
    height: 0;
    background: var(--color-champagne);
    transition: var(--transition-smooth);
}

.service-card:hover {
    transform: translateY(-10px);
    box-shadow: var(--shadow-medium);
}

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

.service-icon {
    width: 70px;
    height: 70px;
    margin-bottom: 25px;
}

.service-card h3 {
    font-size: 22px;
    color: var(--color-deep-brown);
    margin-bottom: 15px;
    font-weight: 600;
}

.service-card p {
    font-size: 15px;
    color: var(--color-text-light);
    line-height: 1.8;
}

/* About Preview Section - 不对称布局 */
.about-preview {
    padding: 120px 0;
    background: var(--color-warm-gray);
}

.about-preview-inner {
    display: grid;
    grid-template-columns: 1fr 1.2fr;
    gap: 80px;
    align-items: center;
}

@media (max-width: 992px) {
    .about-preview-inner {
        grid-template-columns: 1fr;
        gap: 50px;
    }
}

.about-images {
    display: grid;
    grid-template-columns: repeat(2, 1fr);
    gap: 20px;
}

.about-images img {
    width: 100%;
    height: 280px;
    object-fit: cover;
    border-radius: 12px;
    box-shadow: var(--shadow-soft);
    transition: var(--transition-smooth);
}

.about-images img:hover {
    transform: scale(1.03);
}

.about-images img:first-child {
    grid-row: span 2;
    height: 580px;
}

.about-content {
    padding: 20px;
}

.about-content h2 {
    font-size: 40px;
    color: var(--color-deep-brown);
    margin-bottom: 25px;
    font-weight: 600;
}

.about-content p {
    font-size: 16px;
    color: var(--color-text-light);
    line-height: 2;
    margin-bottom: 30px;
}

.about-stats {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: 30px;
}

.stat-item {
    text-align: center;
}

.stat-number {
    font-size: 42px;
    font-weight: 700;
    color: var(--color-champagne);
    display: block;
}

.stat-label {
    font-size: 14px;
    color: var(--color-text-light);
    margin-top: 8px;
    display: block;
}

/* Portfolio Section - 瀑布流布局 */
.portfolio {
    padding: 120px 0;
    background: var(--color-cream);
}

.portfolio-filters {
    display: flex;
    justify-content: center;
    gap: 15px;
    margin-bottom: 50px;
    flex-wrap: wrap;
}

.filter-btn {
    padding: 10px 25px;
    border: 1px solid var(--color-warm-gray);
    background: transparent;
    color: var(--color-text-dark);
    border-radius: 30px;
    cursor: pointer;
    transition: var(--transition-fast);
    font-size: 14px;
}

.filter-btn:hover,
.filter-btn.active {
    background: var(--color-champagne);
    border-color: var(--color-champagne);
    color: var(--color-white);
}

.portfolio-grid {
    display: grid;
    grid-template-columns: repeat(4, 1fr);
    gap: 25px;
}

@media (max-width: 1200px) {
    .portfolio-grid {
        grid-template-columns: repeat(3, 1fr);
    }
}

@media (max-width: 768px) {
    .portfolio-grid {
        grid-template-columns: repeat(2, 1fr);
    }
}

.portfolio-item {
    position: relative;
    border-radius: 12px;
    overflow: hidden;
    box-shadow: var(--shadow-soft);
    cursor: pointer;
}

.portfolio-item:nth-child(1),
.portfolio-item:nth-child(6) {
    grid-column: span 2;
}

.portfolio-item img {
    width: 100%;
    height: 300px;
    object-fit: cover;
    transition: var(--transition-smooth);
}

.portfolio-overlay {
    position: absolute;
    bottom: 0;
    left: 0;
    width: 100%;
    padding: 30px;
    background: linear-gradient(to top, rgba(62, 39, 35, 0.9), transparent);
    opacity: 0;
    transform: translateY(20px);
    transition: var(--transition-smooth);
}

.portfolio-item:hover img {
    transform: scale(1.1);
}

.portfolio-item:hover .portfolio-overlay {
    opacity: 1;
    transform: translateY(0);
}

.portfolio-overlay h4 {
    font-size: 20px;
    color: var(--color-white);
    margin-bottom: 8px;
}

.portfolio-overlay p {
    font-size: 14px;
    color: rgba(255, 255, 255, 0.8);
}

/* News Section - 首页资讯 */
.news {
    padding: 120px 0;
    background: var(--color-white);
}

.news-grid {
    display: grid;
    grid-template-columns: repeat(4, 1fr);
    gap: 30px;
}

@media (max-width: 1200px) {
    .news-grid {
        grid-template-columns: repeat(3, 1fr);
    }
}

@media (max-width: 768px) {
    .news-grid {
        grid-template-columns: repeat(2, 1fr);
    }
}

@media (max-width: 576px) {
    .news-grid {
        grid-template-columns: 1fr;
    }
}

.news-card {
    background: var(--color-cream);
    border-radius: 12px;
    overflow: hidden;
    transition: var(--transition-smooth);
}

.news-card:hover {
    transform: translateY(-8px);
    box-shadow: var(--shadow-medium);
}

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

.news-content {
    padding: 25px;
}

.news-date {
    font-size: 13px;
    color: var(--color-champagne);
    margin-bottom: 10px;
    display: block;
}

.news-content h4 {
    font-size: 17px;
    color: var(--color-deep-brown);
    margin-bottom: 12px;
    line-height: 1.5;
    font-weight: 600;
}

.news-content p {
    font-size: 14px;
    color: var(--color-text-light);
    line-height: 1.7;
    display: -webkit-box;
    -webkit-line-clamp: 2;
    -webkit-box-orient: vertical;
    overflow: hidden;
}

/* CTA Section */
.cta {
    padding: 100px 0;
    background: linear-gradient(135deg, var(--color-deep-brown) 0%, #5d4037 100%);
    text-align: center;
}

.cta h2 {
    font-size: 42px;
    color: var(--color-white);
    margin-bottom: 20px;
    font-weight: 600;
}

.cta p {
    font-size: 18px;
    color: rgba(255, 255, 255, 0.8);
    margin-bottom: 40px;
    max-width: 600px;
    margin-left: auto;
    margin-right: auto;
}