/* ========== 关于我们视频区域 ========== */
.about-section {
    position: relative;
    min-height: 70vh;
    display: flex;
    align-items: center;
    overflow: hidden;
}

.about-video-container {
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    z-index: 1;
}

.about-video-container video {
    width: 100%;
    height: 100%;
    object-fit: cover;
}

.about-video-container::after {
    content: "";
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background: linear-gradient(135deg, rgba(0,0,0,0.6) 0%, rgba(0,0,0,0.3) 100%);
    z-index: 2;
}

.about-content {
    position: relative;
    z-index: 3;
    color: var(--text-white);
}

.about-section h2 {
    font-size: 3rem;
    font-weight: 700;
    margin-bottom: 1rem;
    color: var(--text-white);
}

.about-section h3 {
    font-size: 1.5rem;
    margin-bottom: 2rem;
    color: var(--primary-light);
}

.about-section p {
    font-size: 1.125rem;
    line-height: 1.8;
    margin-bottom: 1.5rem;
    color: rgba(255, 255, 255, 0.9);
}

.about-section .btn {
    background: var(--primary-color);
    border-color: var(--primary-color);
    padding: 0.75rem 2rem;
    border-radius: var(--radius-sm);
    font-weight: 500;
    transition: var(--transition-fast);
}

.about-section .btn:hover {
    background: var(--primary-hover);
    border-color: var(--primary-hover);
    transform: translateY(-2px);
}


/*------------------------------------------------------------------------------------*/


/* ========= 产品应用领域样式（优化） ========= */
.application-entry {
    background: var(--bg-white);
    position: relative;
    overflow: hidden;
}
.application-entry::before {
    content: '';
    position: absolute;
    top: -50%;
    right: -10%;
    width: 600px;
    height: 600px;
    background: radial-gradient(circle, var(--primary-alpha-10) 0%, transparent 70%);
    pointer-events: none;
    z-index: 0;
}
.section-title {
    color: var(--text-primary);
    font-size: var(--font-size-4xl);
    font-weight: 700;
    margin-bottom: 1rem;
    position: relative;
    display: inline-block;
}
.section-subtitle {
    color: var(--text-secondary);
    font-size: var(--font-size-lg);
    max-width: 600px;
    margin: 0 auto;
}
.app-card {
    background: var(--bg-white);
    border: 1px solid var(--border-light);
    border-radius: var(--radius-lg);
    overflow: hidden;
    transition: box-shadow 0.3s, transform 0.3s, border-color 0.3s;
    height: 100%;
    box-shadow: var(--shadow-xs);
}
.app-card:hover {
    transform: translateY(-8px) scale(1.025);
    box-shadow: var(--shadow-lg);
    border-color: var(--primary-alpha-20);
}
.app-card-inner {
    padding: var(--space-lg) var(--space-md);
    text-align: center;
    display: flex;
    flex-direction: column;
    height: 100%;
    z-index: 1;
    position: relative;
    align-items: center;
}
.app-icon {
    width: 100%;
    height: 0;
    padding-bottom: 62.5%; /* 800/500 = 1.6 反过来是 500/800 = 0.625，高宽比 */
    background: var(--gradient-primary);
    border-radius: var(--radius-lg);
    overflow: hidden;
    position: relative;
    margin-bottom: var(--space-lg);
    display: flex;
    align-items: center;
    justify-content: center;
}
.app-icon img {
    position: absolute;
    left: 0; top: 0; width: 100%; height: 100%;
    object-fit: contain; /* 全图显示不裁剪，有留白 */
    object-position: center;
    background: transparent;
    transition: all .3s ease-in-out;
}


.app-card:hover .app-icon {
    /*transform: scale(1.2);*/
    box-shadow: 0 6px 24px 0 rgba(47,128,237,0.14);
}

.app-card:hover img{
    transform: scale(1);
}


.app-title {
    color: var(--text-primary);
    font-size: var(--font-size-2xl);
    font-weight: 600;
    margin-bottom: var(--space-md);
}
.app-desc {
    color: var(--text-secondary);
    font-size: var(--font-size-base);
    line-height: 1.6;
    margin-bottom: var(--space-lg);
    flex-grow: 1;
}
.app-features {
    list-style: none;
    padding: 0;
    margin-bottom: var(--space-xl);
}
.app-features li {
    color: var(--text-muted);
    font-size: var(--font-size-sm);
    padding: var(--space-xs) 0;
    position: relative;
    padding-left: 20px;
    text-align: start;
}
.app-features li::before {
    content: '✓';
    position: absolute;
    left: 0;
    color: var(--primary-color);
    font-weight: bold;
}
.app-link {
    color: var(--primary-color);
    font-weight: 600;
    text-decoration: none;
    display: inline-flex;
    align-items: center;
    gap: var(--space-sm);
    transition: color 0.15s, gap 0.2s;
    font-size: var(--font-size-base);
}
.app-link:hover {
    gap: var(--space-md);
    color: var(--primary-hover);
}

@media (max-width: 991.98px) {
    .app-card-inner {
        padding: var(--space-xl) var(--space-lg);
    }

}

@media (max-width: 575.98px) {
    .section-title {
        font-size: var(--font-size-2xl);
    }
    .section-subtitle {
        font-size: var(--font-size-base);
    }
    .app-card-inner {
        padding: var(--space-lg) var(--space-md);
    }

}



/* ========= 优势特点样式 ========= */
/*.advantages-section {
    background: linear-gradient(135deg, #1a202c 0%, #2d3748 100%);
    position: relative;
    overflow: hidden;
}

.advantages-section::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    background: url('/assets/images/pattern/grid.svg') center/100px repeat;
    opacity: 0.1;
}*/

.advantage-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: var(--space-2xl);
    text-align: center;
    position: relative;
    transition: all var(--transition-normal);
    height: 100%;
}

.advantage-card:hover {
    background: rgba(255, 255, 255, 0.1);
    transform: translateY(-5px);
    box-shadow: 0 20px 40px rgba(0, 0, 0, 0.3);
}

.adv-number {
    position: absolute;
    top: var(--space-lg);
    right: var(--space-lg);
    font-size: var(--font-size-4xl);
    font-weight: 800;
    color: rgba(255, 255, 255, 0.1);
    line-height: 1;
}

.adv-icon {
    width: 70px;
    height: 70px;
    margin: 0 auto var(--space-lg);
    background: var(--gradient-primary);
    border-radius: var(--radius-full);
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 30px;
    color: white;
}

.adv-title {
    color: white;
    font-size: var(--font-size-xl);
    font-weight: 600;
    margin-bottom: var(--space-md);
}

.adv-desc {
    color: rgba(255, 255, 255, 0.8);
    font-size: var(--font-size-base);
    line-height: 1.6;
    margin-bottom: var(--space-xl);
}

.adv-stats {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: var(--space-md);
    margin-top: auto;
}

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

.stat-number {
    display: block;
    font-size: var(--font-size-2xl);
    font-weight: 700;
    color: var(--primary-light);
    margin-bottom: var(--space-xs);
}

.stat-label {
    display: block;
    font-size: var(--font-size-sm);
    color: rgba(255, 255, 255, 0.6);
}

/* ========= 行业解决方案样式优化 ========= */
#industry-solutions {
    background: linear-gradient(180deg, var(--bg-section) 0%, var(--bg-white) 100%);
    position: relative;
}

#industry-solutions .section-title {
    color: var(--text-primary);
}

#industry-solutions .industry-card {
    background: var(--bg-white);
    border: 2px solid var(--border-light);
    padding: var(--space-xl) var(--space-lg);
    transition: all var(--transition-normal);
    position: relative;
    overflow: hidden;
}

#industry-solutions .industry-card::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 4px;
    background: var(--gradient-primary);
    transform: translateX(-100%);
    transition: transform var(--transition-normal);
}

#industry-solutions .industry-card:hover {
    border-color: var(--primary-color);
    transform: translateY(-5px);
    box-shadow: var(--shadow-lg);
}

#industry-solutions .industry-card:hover::before {
    transform: translateX(0);
}

#industry-solutions .industry-card i {
    color: var(--primary-color);
}

/* ========= OEM/ODM样式 ========= */
.oem-section {
    position: relative;
    overflow: hidden;
}

.section-badge {
    display: inline-block;
    background: var(--primary-alpha-10);
    color: var(--primary-color);
    padding: var(--space-xs) var(--space-lg);
    border-radius: var(--radius-full);
    font-size: var(--font-size-sm);
    font-weight: 600;
    letter-spacing: 2px;
    margin-bottom: var(--space-lg);
}

.oem-content .lead {
    color: var(--text-secondary);
    font-size: var(--font-size-xl);
    line-height: 1.6;
}

.oem-features {
    margin-top: var(--space-2xl);
}

.feature-item {
    display: flex;
    align-items: flex-start;
    gap: var(--space-lg);
    margin-bottom: var(--space-xl);
}

.feature-icon {
    flex-shrink: 0;
    width: 60px;
    height: 60px;
    background: var(--gradient-primary);
    border-radius: var(--radius-md);
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 24px;
    color: white;
}

.feature-content h5 {
    color: var(--text-primary);
    font-size: var(--font-size-lg);
    font-weight: 600;
    margin-bottom: var(--space-sm);
}

.feature-content p {
    color: var(--text-secondary);
    margin: 0;
}

.oem-visual {
    position: relative;
}

.oem-3d-model {
    transform: translateY(20px);
    animation: float 6s ease-in-out infinite;
}

.oem-3d-model img{
    max-width: 500px;
}

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

.stat-bubble {
    position: absolute;
    background: var(--bg-white);
    border: 2px solid var(--primary-color);
    border-radius: var(--radius-lg);
    padding: var(--space-md) var(--space-lg);
    text-align: center;
    box-shadow: var(--shadow-md);
    animation: bubble 4s ease-in-out infinite;
}

@keyframes bubble {
    0%, 100% { transform: scale(1); }
    50% { transform: scale(1.05); }
}

.stat-bubble .stat-num {
    display: block;
    font-size: var(--font-size-2xl);
    font-weight: 700;
    color: var(--primary-color);
}

.stat-bubble .stat-text {
    display: block;
    font-size: var(--font-size-sm);
    color: var(--text-secondary);
    margin-top: var(--space-xs);
}

/* 响应式调整 */
@media (max-width: 991px) {
    .app-card-inner {
        padding: var(--space-xl);
    }

    .advantage-card {
        margin-bottom: var(--space-lg);
    }

    .oem-visual {
        margin-top: var(--space-3xl);
    }

    .stat-bubble {
        display: none;
    }
}

@media (max-width: 767px) {
    .section-title {
        font-size: var(--font-size-3xl);
    }

    .app-features {
        display: none;
    }

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

    .feature-item {
        flex-direction: column;
        text-align: center;
    }

    .feature-icon {
        margin: 0 auto;
    }

    .feature-content{
        width: 100%;
    }
}