/* ========================================
   Company Introduction Section
   ======================================== */

.company-intro-section {
    padding: 80px 0;
    background: linear-gradient(135deg, #f8f9fa 0%, #ffffff 100%);
    position: relative;
    overflow: hidden;
}

.company-intro-section:before {
    content: '';
    position: absolute;
    top: 0;
    right: 0;
    width: 600px;
    height: 600px;
    background: radial-gradient(circle, rgba(234, 85, 22, 0.05) 0%, transparent 70%);
    border-radius: 50%;
}

.company-intro-container {
    max-width: 1200px;
    margin: 0 auto;
}

.intro-content {
    text-align: center;
}

.intro-text {
    font-size: 18px;
    line-height: 1.8;
    color: #555;
    max-width: 900px;
    margin: 30px auto 50px;
    padding: 0 20px;
}

/* Features Grid */
.intro-features {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: 40px;
    margin: 60px 0;
    max-width: 1100px;
    margin-left: auto;
    margin-right: auto;
}

.feature-item {
    display: flex;
    align-items: flex-start;
    gap: 20px;
    padding: 30px;
    background: white;
    border-radius: 12px;
    box-shadow: 0 4px 20px rgba(0, 0, 0, 0.08);
    transition: all 0.4s cubic-bezier(0.4, 0, 0.2, 1);
}

.feature-item:hover {
    transform: translateY(-10px);
    box-shadow: 0 12px 35px rgba(234, 85, 22, 0.2);
}

.feature-icon {
    flex-shrink: 0;
    width: 60px;
    height: 60px;
    background: linear-gradient(135deg, #EA5516 0%, #FF6B35 100%);
    border-radius: 12px;
    display: flex;
    align-items: center;
    justify-content: center;
    color: white;
    font-size: 28px;
    transition: all 0.4s ease;
}

.feature-item:hover .feature-icon {
    transform: rotateY(360deg) scale(1.1);
}

.feature-content {
    flex: 1;
    text-align: left;
}

.feature-content h4 {
    font-size: 20px;
    font-weight: 700;
    color: #2c3e50;
    margin: 0 0 12px 0;
    transition: color 0.3s ease;
}

.feature-item:hover .feature-content h4 {
    color: #EA5516;
}

.feature-content p {
    font-size: 14px;
    line-height: 1.7;
    color: #7f8c8d;
    margin: 0;
}

/* Statistics Section */
.intro-stats {
    display: grid;
    grid-template-columns: repeat(4, 1fr);
    gap: 40px;
    max-width: 1000px;
    margin: 60px auto 0;
    padding: 40px 0;
}

.stat-item {
    text-align: center;
    position: relative;
    padding: 30px 20px;
    background: white;
    border-radius: 12px;
    box-shadow: 0 4px 15px rgba(0, 0, 0, 0.08);
    transition: all 0.4s cubic-bezier(0.4, 0, 0.2, 1);
}

.stat-item:hover {
    transform: translateY(-8px);
    box-shadow: 0 12px 30px rgba(234, 85, 22, 0.2);
}

.stat-item i {
    font-size: 40px;
    color: #EA5516;
    margin-bottom: 15px;
    transition: all 0.4s ease;
}

.stat-item:hover i {
    transform: scale(1.2) rotateY(180deg);
}

.stat-number {
    font-size: 42px;
    font-weight: 700;
    color: #2c3e50;
    line-height: 1;
    margin: 15px 0 10px;
    background: linear-gradient(135deg, #EA5516 0%, #FF6B35 100%);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
}

.stat-label {
    font-size: 14px;
    color: #7f8c8d;
    font-weight: 600;
    text-transform: uppercase;
    letter-spacing: 0.5px;
}

/* Font Awesome Icon Styles */
.pro-ulli .icon {
    width: 50px;
    height: 50px;
    display: flex;
    align-items: center;
    justify-content: center;
    flex-shrink: 0;
}

.pro-ulli .icon i {
    font-size: 28px;
    color: #fff;
    transition: all 0.3s ease;
}

.pro-ulli li:hover .icon i {
    transform: scale(1.2) rotate(5deg);
}

/* ========================================
   响应式设计
   ======================================== */

@media (max-width: 1200px) {
    .intro-features {
        gap: 30px;
        padding: 0 20px;
    }
    
    .intro-stats {
        gap: 30px;
        padding: 30px 20px;
    }
}

@media (max-width: 992px) {
    .company-intro-section {
        padding: 60px 0;
    }
    
    .intro-features {
        grid-template-columns: 1fr;
        gap: 25px;
        max-width: 600px;
    }
    
    .intro-stats {
        grid-template-columns: repeat(2, 1fr);
        gap: 25px;
    }
    
    .intro-text {
        font-size: 16px;
    }
    
    .feature-item {
        padding: 25px;
    }
    
    .feature-icon {
        width: 55px;
        height: 55px;
        font-size: 26px;
    }
    
    .feature-content h4 {
        font-size: 18px;
    }
}

@media (max-width: 768px) {
    .company-intro-section {
        padding: 50px 0;
    }
    
    .intro-text {
        font-size: 15px;
        margin: 25px auto 40px;
        padding: 0 15px;
    }
    
    .intro-features {
        margin: 40px 0;
        padding: 0 15px;
    }
    
    .feature-item {
        flex-direction: column;
        align-items: center;
        text-align: center;
        padding: 25px 20px;
    }
    
    .feature-content {
        text-align: center;
    }
    
    .feature-content h4 {
        font-size: 17px;
    }
    
    .feature-content p {
        font-size: 13px;
    }
    
    .intro-stats {
        gap: 20px;
        margin: 40px auto 0;
        padding: 30px 15px;
    }
    
    .stat-item {
        padding: 25px 15px;
    }
    
    .stat-item i {
        font-size: 36px;
    }
    
    .stat-number {
        font-size: 38px;
    }
    
    .stat-label {
        font-size: 13px;
    }
}

@media (max-width: 480px) {
    .company-intro-section {
        padding: 40px 0;
    }
    
    .intro-text {
        font-size: 14px;
        line-height: 1.6;
        margin: 20px auto 30px;
    }
    
    .intro-features {
        margin: 30px 0;
        gap: 20px;
    }
    
    .feature-item {
        padding: 20px 15px;
        border-radius: 10px;
    }
    
    .feature-icon {
        width: 50px;
        height: 50px;
        font-size: 24px;
        border-radius: 10px;
    }
    
    .feature-content h4 {
        font-size: 16px;
        margin-bottom: 10px;
    }
    
    .feature-content p {
        font-size: 12px;
        line-height: 1.6;
    }
    
    .intro-stats {
        grid-template-columns: 1fr;
        gap: 15px;
        margin: 30px auto 0;
        padding: 20px 15px;
    }
    
    .stat-item {
        padding: 20px 15px;
        border-radius: 10px;
    }
    
    .stat-item i {
        font-size: 32px;
        margin-bottom: 10px;
    }
    
    .stat-number {
        font-size: 34px;
        margin: 10px 0 8px;
    }
    
    .stat-label {
        font-size: 12px;
    }
}