/* ================================
   正奥石业官网 - 关于我们页样式
   ================================ */

/* Hero 区域 */
.about-hero {
    position: relative;
    height: 400px;
    background: linear-gradient(135deg, #2D3436 0%, #4A4E52 100%);
    background-image:
        linear-gradient(135deg, rgba(45, 52, 54, 0.9) 0%, rgba(74, 78, 82, 0.85) 100%),
        url('https://images.unsplash.com/photo-1600607687939-ce8a6c25118c?w=1920&h=1080&fit=crop');
    background-size: cover;
    background-position: center;
    display: flex;
    align-items: center;
    justify-content: center;
    overflow: hidden;
}

.hero-overlay {
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    background: linear-gradient(to bottom, rgba(45, 52, 54, 0.7) 0%, rgba(45, 52, 54, 0.85) 100%);
}

.about-hero .hero-content {
    position: relative;
    z-index: 1;
    text-align: center;
    color: white;
    max-width: 900px;
    padding: 0 20px;
}

.about-hero .hero-title {
    font-size: 3.5rem;
    font-weight: 700;
    margin-bottom: 1.5rem;
    letter-spacing: 0.05em;
    animation: fadeInUp 1s ease;
}

.about-hero .hero-subtitle {
    font-size: 1.5rem;
    font-weight: 300;
    margin-bottom: 2rem;
    opacity: 0.95;
    animation: fadeInUp 1s ease 0.2s backwards;
}

.about-hero .hero-divider {
    width: 100px;
    height: 3px;
    background: linear-gradient(to right, transparent, #ffffff, transparent);
    margin: 0 auto;
    animation: fadeInUp 1s ease 0.4s backwards;
}

/* 公司简介 */
.company-intro {
    padding: 6rem 0;
    background: linear-gradient(to bottom, #ffffff 0%, #f8f9fa 100%);
}

.intro-grid {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 4rem;
    align-items: center;
}

.intro-text {
    animation: fadeInLeft 1s ease;
}

.intro-text .section-title {
    font-size: 2.5rem;
    color: var(--primary-color);
    margin-bottom: 1rem;
    position: relative;
}

.title-decoration {
    width: 60px;
    height: 4px;
    background: linear-gradient(to right, var(--primary-color), var(--accent-color));
    margin-bottom: 2rem;
    border-radius: 2px;
}

.intro-lead {
    font-size: 1.2rem;
    color: var(--accent-color);
    font-weight: 500;
    margin-bottom: 1.5rem;
}

.intro-description {
    font-size: 1.05rem;
    line-height: 1.9;
    color: var(--text-muted);
    margin-bottom: 1.2rem;
}

.company-info {
    margin-top: 2rem;
    display: flex;
    flex-direction: column;
    gap: 1rem;
}

.info-item {
    display: flex;
    align-items: center;
    gap: 0.75rem;
    color: var(--text-color);
}

.info-item i {
    color: var(--accent-color);
    font-size: 1.1rem;
    width: 20px;
}

.intro-image {
    animation: fadeInRight 1s ease;
}

.image-wrapper {
    position: relative;
    border-radius: var(--radius-lg);
    overflow: hidden;
    box-shadow: 0 20px 60px rgba(0, 0, 0, 0.15);
}

.image-wrapper img {
    width: 100%;
    height: auto;
    display: block;
    transition: transform 0.5s ease;
}

.image-wrapper:hover img {
    transform: scale(1.05);
}

.image-decoration {
    position: absolute;
    bottom: 0;
    left: 0;
    right: 0;
    height: 100px;
    background: linear-gradient(to top, rgba(0, 0, 0, 0.3), transparent);
    pointer-events: none;
}

/* 数据统计 */
.stats-section {
    padding: 5rem 0;
    background: linear-gradient(135deg, var(--primary-color) 0%, #1a1a1a 100%);
    position: relative;
    overflow: hidden;
}

.stats-section::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    background: url('https://images.unsplash.com/photo-1600607687939-ce8a6c25118c?w=1920&h=1080&fit=crop');
    background-size: cover;
    background-position: center;
    opacity: 0.1;
}

.stats-section .container {
    position: relative;
    z-index: 1;
}

.stats-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(250px, 1fr));
    gap: 2rem;
}

.stat-card {
    background: rgba(255, 255, 255, 0.05);
    backdrop-filter: blur(10px);
    border: 1px solid rgba(255, 255, 255, 0.1);
    border-radius: var(--radius-lg);
    padding: 2.5rem 2rem;
    text-align: center;
    transition: all 0.3s ease;
}

.stat-card:hover {
    transform: translateY(-5px);
    background: rgba(255, 255, 255, 0.08);
    border-color: rgba(255, 255, 255, 0.2);
}

.stat-icon {
    width: 60px;
    height: 60px;
    margin: 0 auto 1.5rem;
    background: linear-gradient(135deg, var(--accent-color), #6ba3f5);
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
}

.stat-icon i {
    font-size: 1.5rem;
    color: white;
}

.stat-number {
    font-size: 3rem;
    font-weight: 700;
    color: white;
    margin-bottom: 0.5rem;
}

.stat-label {
    font-size: 1.1rem;
    color: rgba(255, 255, 255, 0.8);
}

/* CTA */
.about-cta {
    padding: 5rem 0;
    background: linear-gradient(135deg, var(--primary-color) 0%, #1a1a1a 100%);
    text-align: center;
    color: white;
}

.about-cta h2 {
    font-size: 2.5rem;
    margin-bottom: 1rem;
}

.cta-content p {
    font-size: 1.2rem;
    opacity: 0.9;
    margin-bottom: 2rem;
}

.cta-actions {
    display: flex;
    gap: 1rem;
    justify-content: center;
    flex-wrap: wrap;
}

.about-cta .btn {
    background-color: white;
    color: var(--primary-color);
}

.about-cta .btn:hover {
    transform: translateY(-2px);
    box-shadow: 0 8px 20px rgba(255, 255, 255, 0.3);
}

.about-cta .btn-outline {
    background-color: transparent;
    color: white;
    border-color: white;
}

/* 动画 */
@keyframes fadeInUp {
    from {
        opacity: 0;
        transform: translateY(30px);
    }
    to {
        opacity: 1;
        transform: translateY(0);
    }
}

@keyframes fadeInLeft {
    from {
        opacity: 0;
        transform: translateX(-30px);
    }
    to {
        opacity: 1;
        transform: translateX(0);
    }
}

@keyframes fadeInRight {
    from {
        opacity: 0;
        transform: translateX(30px);
    }
    to {
        opacity: 1;
        transform: translateX(0);
    }
}

/* 响应式 */
@media screen and (max-width: 968px) {
    .intro-grid {
        grid-template-columns: 1fr;
        gap: 3rem;
    }

    .intro-image {
        order: -1;
    }

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

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

    .about-hero .hero-subtitle {
        font-size: 1.2rem;
    }
}

@media screen and (max-width: 768px) {
    .about-hero {
        height: 400px;
    }

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

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

    .company-intro {
        padding: 4rem 0;
    }

    .stats-section {
        padding: 3rem 0;
    }

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

    .cta-content h2,
    .cta-content p {
        font-size: 1rem;
    }

    .cta-actions {
        flex-direction: column;
    }

    .about-cta .btn {
        width: 100%;
    }
}