/* ========================================
   关于我们页面专用样式
   ======================================== */

/* 幻灯片容器 */
.hero-slider {
    position: relative;
    width: 100%;
    height: 500px;
    overflow: hidden;
}

.slider-container {
    position: relative;
    width: 100%;
    height: 100%;
}

.slider-wrapper {
    position: relative;
    width: 100%;
    height: 100%;
}

.slide {
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    opacity: 0;
    transition: opacity 1s ease-in-out;
    background-size: cover;
    background-position: center;
    background-repeat: no-repeat;
    display: flex;
    align-items: center;
    justify-content: center;
}

.slide:nth-child(1) {
    background-color: #667eea;
}

.slide:nth-child(2) {
    background-color: #764ba2;
}

.slide:nth-child(3) {
    background-color: #667eea;
}

.slide.active {
    opacity: 1;
}

.slide-overlay {
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background: linear-gradient(135deg, rgba(102, 126, 234, 0.7) 0%, rgba(118, 75, 162, 0.7) 100%);
}

.slide-content {
    position: relative;
    z-index: 2;
    max-width: 75vw;
    width: 75%;
    text-align: center;
    color: white;
    animation: fadeInUp 1s ease;
}

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

.slide-content h1 {
    font-size: 56px;
    font-weight: bold;
    margin-bottom: 20px;
    text-shadow: 2px 2px 10px rgba(0, 0, 0, 0.2);
}

.slide-content p {
    font-size: 22px;
    margin-bottom: 20px;
    text-shadow: 1px 1px 5px rgba(0, 0, 0, 0.2);
}

.slide-content .cta-button {
    display: inline-block;
    padding: 5px 30px;
    background: white;
    color: #667eea;
    text-decoration: none;
    border-radius: 30px;
    font-weight: bold;
    font-size: 18px;
    transition: all 0.3s;
    box-shadow: 0 5px 15px rgba(0, 0, 0, 0.2);
}

.slide-content .cta-button:hover {
    transform: translateY(-3px) scale(1.05);
    box-shadow: 0 10px 30px rgba(0, 0, 0, 0.3);
}

.slider-arrow {
    position: absolute;
    top: 50%;
    transform: translateY(-50%);
    background: rgba(255, 255, 255, 0.3);
    color: white;
    border: none;
    width: 60px;
    height: 60px;
    border-radius: 50%;
    font-size: 32px;
    cursor: pointer;
    transition: all 0.3s;
    z-index: 10;
}

.slider-arrow:hover {
    background: rgba(255, 255, 255, 0.5);
    transform: translateY(-50%) scale(1.1);
}

.slider-arrow.prev {
    left: 30px;
}

.slider-arrow.next {
    right: 30px;
}

.slider-dots {
    position: absolute;
    bottom: 30px;
    left: 50%;
    transform: translateX(-50%);
    display: flex;
    gap: 15px;
    z-index: 10;
}

.dot {
    width: 14px;
    height: 14px;
    background: rgba(255, 255, 255, 0.5);
    border-radius: 50%;
    cursor: pointer;
    transition: all 0.3s;
    border: 2px solid transparent;
}

.dot:hover {
    background: rgba(255, 255, 255, 0.8);
    transform: scale(1.2);
}

.dot.active {
    background: white;
    border-color: #667eea;
    transform: scale(1.2);
}

/* Banner区域 */
.hero-section {
    background: linear-gradient(135deg, #667eea 0%, #764ba2 100%);
    color: white;
    text-align: center;
    padding: 80px 20px;
}

.hero-section h1 {
    font-size: 48px;
    margin-bottom: 15px;
    font-weight: bold;
}

.hero-section p {
    font-size: 20px;
    opacity: 0.9;
}

/* 关于内容区域 */
.about-section {
    background: #f8f9fa;
    padding: 80px 0;
    width: 100%;
}

.about-container {
    max-width: 75vw;
    width: 75%;
    margin: 0 auto;
    display: flex;
    gap: 60px;
    align-items: flex-start;
}

.about-left {
    flex: 1;
}

.company-name {
    margin-bottom: 30px;
    position: relative;
    padding-left: 20px;
}

.company-name::before {
    content: '';
    position: absolute;
    left: 0;
    top: 50%;
    transform: translateY(-50%);
    width: 4px;
    height: 30px;
    background: #0052cc;
    border-radius: 2px;
}

.company-title {
    font-size: 36px;
    font-weight: bold;
    color: #333;
}

.company-intro {
    font-size: 15px;
    line-height: 2;
    color: #666;
    margin-bottom: 50px;
    text-align: justify;
}

.company-intro p {
    margin-bottom: 15px;
}

.services-section {
    margin-top: 40px;
}

.services-title {
    font-size: 28px;
    font-weight: bold;
    color: #333;
    margin-bottom: 30px;
    position: relative;
    padding-left: 20px;
}

.services-title::before {
    content: '';
    position: absolute;
    left: 0;
    top: 50%;
    transform: translateY(-50%);
    width: 4px;
    height: 24px;
    background: #0052cc;
    border-radius: 2px;
}

.services-grid {
    display: grid;
    grid-template-columns: repeat(4, 1fr);
    gap: 15px;
}

.service-btn {
    padding: 15px 20px;
    background: white;
    border: 1px solid #e0e0e0;
    border-radius: 4px;
    text-align: center;
    font-size: 14px;
    color: #666;
    cursor: pointer;
    transition: all 0.3s;
}

.service-btn:hover {
    border-color: #0052cc;
    color: #0052cc;
    box-shadow: 0 2px 8px rgba(0, 82, 204, 0.1);
}

.about-right {
    flex: 1;
    display: flex;
    align-items: center;
    justify-content: center;
}

.devices-showcase img {
    width: 100%;
    max-width: 600px;
    height: auto;
    display: block;
}

/* 我们的优势板块 */
.advantages-about-section {
    background: #f5f5f5;
    padding: 80px 0;
    width: 100%;
}

.advantages-about-container {
    max-width: 75vw;
    width: 75%;
    margin: 0 auto;
}

.advantages-about-title {
    text-align: center;
    font-size: 42px;
    font-weight: bold;
    color: #333;
    margin-bottom: 60px;
    position: relative;
}

.advantages-about-title::after {
    content: '';
    position: absolute;
    bottom: -15px;
    left: 50%;
    transform: translateX(-50%);
    width: 60px;
    height: 4px;
    background: linear-gradient(90deg, #0052cc, #0066ff);
    border-radius: 2px;
}

.advantages-grid {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 30px;
}

.advantage-item {
    display: flex;
    align-items: center;
    background: white;
    padding: 25px 30px;
    border-radius: 50px;
    box-shadow: 0 2px 10px rgba(0, 0, 0, 0.05);
    transition: all 0.3s;
}

.advantage-item:hover {
    transform: translateY(-5px);
    box-shadow: 0 5px 20px rgba(0, 0, 0, 0.1);
}

.advantage-left {
    flex-direction: row;
}

.advantage-right {
    flex-direction: row-reverse;
}

.advantage-icon {
    position: relative;
    flex-shrink: 0;
}

.icon-circle {
    width: 80px;
    height: 80px;
    background: #0052cc;
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    position: relative;
    z-index: 2;
}

.icon-circle svg {
    width: 40px;
    height: 40px;
    stroke: white;
    fill: none;
}

.icon-bg {
    position: absolute;
    top: -10px;
    width: 100px;
    height: 100px;
    background: #0052cc;
    border-radius: 50%;
    opacity: 0.3;
    z-index: 1;
}

.advantage-left .icon-bg {
    left: -20px;
}

.advantage-right .icon-bg {
    right: -20px;
}

.advantage-content {
    flex: 1;
}

.advantage-left .advantage-content {
    margin-left: 20px;
}

.advantage-right .advantage-content {
    margin-right: 20px;
    text-align: right;
}

.advantage-content h4 {
    font-size: 18px;
    font-weight: bold;
    color: #333;
    margin-bottom: 8px;
}

.advantage-content p {
    font-size: 14px;
    color: #666;
    line-height: 1.6;
    margin: 0;
}

/* 我们的服务板块（关于我们页面） */
.services-about-section {
    background: #f8f9fa;
    padding: 80px 0;
    width: 100%;
}

.services-about-container {
    max-width: 75vw;
    width: 75%;
    margin: 0 auto;
}

.services-about-title {
    text-align: center;
    font-size: 36px;
    font-weight: bold;
    color: #333;
    margin-bottom: 50px;
}

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

.service-about-card {
    background: white;
    padding: 40px 30px;
    border-radius: 10px;
    text-align: center;
    transition: all 0.3s;
    box-shadow: 0 5px 15px rgba(0, 0, 0, 0.08);
}

.service-about-card:hover {
    transform: translateY(-10px);
    box-shadow: 0 15px 35px rgba(0, 82, 204, 0.15);
}

.service-about-icon {
    width: 80px;
    height: 80px;
    margin: 0 auto 25px;
    display: flex;
    align-items: center;
    justify-content: center;
}

.service-about-card h3 {
    font-size: 20px;
    color: #333;
    margin-bottom: 20px;
    font-weight: 600;
}

.service-about-list {
    list-style: none;
    padding: 0;
    margin: 0 0 25px 0;
}

.service-about-list li {
    font-size: 14px;
    color: #666;
    padding: 8px 0;
    line-height: 1.6;
}

.service-about-button {
    display: inline-block;
    padding: 10px 30px;
    background: linear-gradient(135deg, #0052cc 0%, #0066ff 100%);
    color: white;
    text-decoration: none;
    border-radius: 25px;
    font-size: 14px;
    font-weight: 500;
    transition: all 0.3s;
}

.service-about-button:hover {
    transform: scale(1.05);
    box-shadow: 0 5px 15px rgba(0, 82, 204, 0.3);
}

/* 合作流程板块 */
.process-section {
    background: #ffffff;
    padding: 80px 0;
    width: 100%;
}

.process-container {
    max-width: 75vw;
    width: 75%;
    margin: 0 auto;
}

.process-title {
    text-align: center;
    font-size: 42px;
    font-weight: bold;
    color: #333;
    margin-bottom: 60px;
    position: relative;
}

.process-title::after {
    content: '';
    position: absolute;
    bottom: -15px;
    left: 50%;
    transform: translateX(-50%);
    width: 60px;
    height: 4px;
    background: linear-gradient(90deg, #0052cc, #0066ff);
    border-radius: 2px;
}

.process-timeline {
    background: linear-gradient(135deg, #0052cc 0%, #0066ff 100%);
    padding: 50px 30px;
    border-radius: 12px;
    display: flex;
    justify-content: space-between;
    align-items: center;
    position: relative;
    box-shadow: 0 5px 20px rgba(0, 82, 204, 0.3);
}

.process-step {
    display: flex;
    flex-direction: column;
    align-items: center;
    text-align: center;
    position: relative;
    flex: 1;
    padding: 15px 10px;
    border-radius: 8px;
    transition: all 0.3s ease;
    cursor: pointer;
}

.process-step:hover {
    background: rgba(255, 255, 255, 0.2);
    transform: translateY(-5px) scale(1.05);
    box-shadow: 0 8px 25px rgba(0, 0, 0, 0.2);
}

.step-number {
    font-size: 28px;
    font-weight: bold;
    color: #ffffff;
    margin-bottom: 15px;
    position: relative;
    z-index: 2;
    transition: all 0.3s ease;
}

.process-step:hover .step-number {
    transform: scale(1.1);
    color: #ffd700;
    text-shadow: 0 2px 8px rgba(255, 215, 0, 0.5);
}

.step-arrow {
    font-size: 32px;
    color: rgba(255, 255, 255, 0.6);
    margin: 10px 0;
    line-height: 1;
    transition: all 0.3s ease;
}

.process-step:hover .step-arrow {
    color: rgba(255, 255, 255, 1);
    transform: scale(1.2);
}

.process-step:last-child .step-arrow {
    display: none;
}

.step-content {
    font-size: 15px;
    color: #ffffff;
    font-weight: 500;
    margin-top: 5px;
    transition: all 0.3s ease;
}

.process-step:hover .step-content {
    color: #ffffff;
    font-weight: 600;
    text-shadow: 0 2px 4px rgba(0, 0, 0, 0.2);
}

/* 移动端响应式 */
@media (max-width: 768px) {
    .about-container {
        flex-direction: column;
        width: 95%;
        max-width: 95%;
        gap: 40px;
    }

    .about-section {
        padding: 40px 0;
    }

    .company-title {
        font-size: 28px;
    }

    .company-intro {
        font-size: 14px;
        margin-bottom: 30px;
    }

    .services-title {
        font-size: 24px;
    }

    .services-grid {
        grid-template-columns: repeat(2, 1fr);
        gap: 10px;
    }

    .service-btn {
        padding: 12px 15px;
        font-size: 13px;
    }

    .devices-showcase img {
        max-width: 100%;
    }

    .advantages-about-section {
        padding: 40px 0;
    }

    .advantages-about-container {
        width: 95%;
        max-width: 95%;
    }

    .advantages-about-title {
        font-size: 32px;
        margin-bottom: 40px;
    }

    .advantages-grid {
        grid-template-columns: 1fr;
        gap: 20px;
    }

    .advantage-item {
        padding: 20px;
        border-radius: 30px;
    }

    .icon-circle {
        width: 60px;
        height: 60px;
    }

    .icon-circle svg {
        width: 30px;
        height: 30px;
    }

    .icon-bg {
        width: 80px;
        height: 80px;
    }

    .advantage-left .icon-bg {
        left: -10px;
    }

    .advantage-right .icon-bg {
        right: -10px;
    }

    .advantage-content h4 {
        font-size: 16px;
    }

    .advantage-content p {
        font-size: 13px;
    }

    .advantage-left .advantage-content {
        margin-left: 15px;
    }

    .advantage-right .advantage-content {
        margin-right: 15px;
    }

    .process-section {
        padding: 40px 0;
    }

    .process-container {
        width: 95%;
        max-width: 95%;
    }

    .process-title {
        font-size: 32px;
        margin-bottom: 40px;
    }

    .process-timeline {
        flex-direction: column;
        gap: 20px;
        padding: 30px 20px;
    }

    .process-step {
        flex-direction: row;
        justify-content: flex-start;
        width: 100%;
        gap: 15px;
    }

    .step-number {
        font-size: 24px;
        min-width: 40px;
    }

    .step-arrow {
        font-size: 24px;
        margin: 0;
    }

    .process-step:last-child .step-arrow {
        display: none;
    }

    .step-content {
        font-size: 14px;
        flex: 1;
        text-align: left;
    }

    .process-step {
        padding: 12px 8px;
    }

    .process-step:hover {
        transform: translateY(-3px) scale(1.02);
    }

    .services-about-section {
        padding: 60px 0;
    }

    .services-about-container {
        width: 95%;
        max-width: 95%;
    }

    .services-about-title {
        font-size: 28px;
        margin-bottom: 40px;
    }

    .services-about-grid {
        grid-template-columns: repeat(2, 1fr);
        gap: 15px;
    }

    .service-about-card {
        padding: 30px 20px;
    }

    .service-about-icon {
        width: 60px;
        height: 60px;
    }

    .service-about-icon svg {
        width: 60px;
        height: 60px;
    }

    .service-about-card h3 {
        font-size: 18px;
    }

    .service-about-list li {
        font-size: 13px;
    }

    .hero-slider {
        height: 400px;
    }
    
    .slide-content h1 {
        font-size: 28px;
    }
    
    .slide-content p {
        font-size: 14px;
    }
    
    .slider-arrow {
        width: 40px;
        height: 40px;
        font-size: 24px;
    }
    
    .slider-arrow.prev {
        left: 10px;
    }
    
    .slider-arrow.next {
        right: 10px;
    }
    
    .hero-section {
        padding: 50px 20px;
    }

    .hero-section h1 {
        font-size: 32px;
    }

    .hero-section p {
        font-size: 16px;
    }
}