/* 关于页面主要内容样式 */
.about-content {
    max-width: 1200px;
    margin: 40px auto;
    padding: 0 20px;
}

/* 英雄区域样式 */
.hero-section {
    position: relative;
    margin-bottom: 60px;
}

/* 文本内容样式 */
.about-text {
    max-width: 1200px;
    margin: 0 auto 50px;
    padding: 30px;
    background: rgba(255, 255, 255, 0.9);
    border-radius: 15px;
    box-shadow: 0 4px 15px rgba(0, 0, 0, 0.1);
}

.about-text h2 {
    color: #333;
    font-size: 28px;
    margin-bottom: 20px;
    text-align: center;
}

.text-content p {
    color: #666;
    font-size: 16px;
    line-height: 1.8;
    margin-bottom: 15px;
    text-align: justify;
}

/* 特点部分样式 */
.features-section {
    margin-bottom: 60px;
    text-align: center;
}

.features-section h3 {
    font-size: 24px;
    color: #333;
    margin-bottom: 30px;
}

.features-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(250px, 1fr));
    gap: 30px;
    margin-top: 20px;
}

.feature-card {
    background: white;
    padding: 30px;
    border-radius: 15px;
    box-shadow: 0 4px 15px rgba(0, 0, 0, 0.1);
    transition: transform 0.3s ease;
}

.feature-card:hover {
    transform: translateY(-5px);
}

.feature-icon {
    font-size: 40px;
    margin-bottom: 15px;
}

.feature-card h4 {
    color: #333;
    font-size: 20px;
    margin-bottom: 10px;
}

.feature-card p {
    color: #666;
}

/* 时间线样式 */
.timeline-section {
    margin-bottom: 60px;
    text-align: center;
}

.timeline-section h3 {
    font-size: 24px;
    color: #333;
    margin-bottom: 30px;
}

.timeline {
    position: relative;
    max-width: 800px;
    margin: 0 auto;
    padding: 20px 0;
}

.timeline::before {
    content: '';
    position: absolute;
    width: 2px;
    background: #87CEEB;
    top: 0;
    bottom: 0;
    left: 50%;
    transform: translateX(-50%);
}

.timeline-item {
    margin-bottom: 30px;
    position: relative;
    width: 50%;
    padding: 0 40px;
}

.timeline-item:nth-child(odd) {
    left: 0;
}

.timeline-item:nth-child(even) {
    left: 50%;
}

.timeline-dot {
    width: 20px;
    height: 20px;
    background: #87CEEB;
    border-radius: 50%;
    position: absolute;
    right: -10px;
    top: 0;
}

.timeline-item:nth-child(even) .timeline-dot {
    left: -10px;
}

.timeline-content {
    background: white;
    padding: 20px;
    border-radius: 10px;
    box-shadow: 0 4px 15px rgba(0, 0, 0, 0.1);
}

.timeline-content h4 {
    color: #333;
    margin-bottom: 10px;
}

/* 品牌合作部分 */
.collaboration-section {
    margin-bottom: 60px;
    text-align: center;
    padding: 30px;
    background: white;
    border-radius: 15px;
    box-shadow: 0 4px 15px rgba(0, 0, 0, 0.1);
}

.collaboration-section h3 {
    font-size: 24px;
    color: #333;
    margin-bottom: 20px;
}

.brand-logos {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(200px, 1fr));
    gap: 30px;
    margin-top: 30px;
}

.brand-logo {
    background: #f5f5f5;
    padding: 20px;
    border-radius: 10px;
    display: flex;
    align-items: center;
    justify-content: center;
    min-height: 100px;
    transition: transform 0.3s ease;
}

.brand-logo:hover {
    transform: scale(1.05);
}

/* 联系我们部分 */
.contact-section {
    margin-bottom: 60px;
    text-align: center;
}

.contact-section h3 {
    font-size: 24px;
    color: #333;
    margin-bottom: 30px;
}

.contact-cards {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(250px, 1fr));
    gap: 30px;
}

.contact-card {
    background: white;
    padding: 30px;
    border-radius: 15px;
    box-shadow: 0 4px 15px rgba(0, 0, 0, 0.1);
    transition: transform 0.3s ease;
}

.contact-card:hover {
    transform: translateY(-5px);
}

.contact-icon {
    font-size: 40px;
    margin-bottom: 15px;
}

.contact-card h4 {
    color: #333;
    font-size: 20px;
    margin-bottom: 10px;
}

.contact-card p {
    color: #666;
}

/* 场景样式 */
.scene {
    height: 400px;
    position: relative;
    overflow: hidden;
    background: linear-gradient(180deg, #87CEEB 0%, #B0E0E6 100%);
    border-radius: 15px;
    margin-bottom: 50px;
}

/* 云朵样式 */
.clouds {
    position: absolute;
    width: 100%;
    height: 100%;
    overflow: hidden;
}

.cloud {
    position: absolute;
    background: white;
    border-radius: 50px;
    opacity: 0.9;
}

.cloud::before,
.cloud::after {
    content: '';
    position: absolute;
    background: white;
    border-radius: 50%;
}

.cloud-1 {
    width: 100px;
    height: 40px;
    top: 30px;
    left: 10%;
    animation: float 25s linear infinite;
}

.cloud-1::before {
    width: 50px;
    height: 50px;
    top: -20px;
    left: 15px;
}

.cloud-1::after {
    width: 40px;
    height: 40px;
    top: -15px;
    left: 45px;
}

.cloud-2 {
    width: 120px;
    height: 45px;
    top: 100px;
    left: 30%;
    animation: float 28s linear infinite;
}

.cloud-2::before {
    width: 55px;
    height: 55px;
    top: -25px;
    left: 20px;
}

.cloud-2::after {
    width: 45px;
    height: 45px;
    top: -18px;
    left: 55px;
}

.cloud-3 {
    width: 90px;
    height: 35px;
    top: 50px;
    left: 50%;
    animation: float 22s linear infinite;
}

.cloud-3::before {
    width: 45px;
    height: 45px;
    top: -18px;
    left: 12px;
}

.cloud-3::after {
    width: 35px;
    height: 35px;
    top: -13px;
    left: 42px;
}

.cloud-4 {
    width: 110px;
    height: 42px;
    top: 150px;
    left: 70%;
    animation: float 30s linear infinite;
}

.cloud-4::before {
    width: 52px;
    height: 52px;
    top: -22px;
    left: 18px;
}

.cloud-4::after {
    width: 42px;
    height: 42px;
    top: -16px;
    left: 50px;
}

.cloud-5 {
    width: 95px;
    height: 38px;
    top: 80px;
    left: 85%;
    animation: float 26s linear infinite;
}

.cloud-5::before {
    width: 48px;
    height: 48px;
    top: -19px;
    left: 14px;
}

.cloud-5::after {
    width: 38px;
    height: 38px;
    top: -14px;
    left: 44px;
}

.cloud-6 {
    width: 105px;
    height: 40px;
    top: 20px;
    left: 90%;
    animation: float 24s linear infinite;
}

.cloud-6::before {
    width: 50px;
    height: 50px;
    top: -20px;
    left: 16px;
}

.cloud-6::after {
    width: 40px;
    height: 40px;
    top: -15px;
    left: 46px;
}

/* 草地样式 */
.grass {
    position: absolute;
    bottom: 0;
    width: 100%;
    height: 100px;
    background: #90EE90;
    border-radius: 0 0 15px 15px;
}

/* 小狗样式 */
.mascot-dog {
    position: absolute;
    width: 80px;
    height: 80px;
    bottom: 20px;
    left: -80px; /* 开始位置在左侧屏幕外 */
    transform: translateX(0);
    background: url('../images/dog.png') no-repeat center;
    background-size: contain;
    animation: dogWalk 8s linear infinite;
}

/* 动画效果 */
@keyframes float {
    0% {
        transform: translateX(0) translateY(0);
    }
    50% {
        transform: translateX(50px) translateY(-10px);
    }
    100% {
        transform: translateX(0) translateY(0);
    }
}

@keyframes dogWalk {
    0% {
        left: -80px;
    }
    45% {
        transform: scaleX(1);
    }
    50% {
        left: calc(100% - 80px);
        transform: scaleX(1);
    }
    55% {
        transform: scaleX(-1);
    }
    95% {
        transform: scaleX(-1);
    }
    100% {
        left: -80px;
        transform: scaleX(1);
    }
}

/* 响应式设计 */
@media (max-width: 768px) {
    .about-text {
        padding: 20px;
    }

    .scene {
        height: 300px;
    }

    .timeline::before {
        left: 0;
    }

    .timeline-item {
        width: 100%;
        padding-left: 30px;
    }

    .timeline-item:nth-child(even) {
        left: 0;
    }

    .timeline-dot {
        left: -10px;
        right: auto;
    }

    .timeline-item:nth-child(even) .timeline-dot {
        left: -10px;
    }

    .features-grid,
    .brand-logos,
    .contact-cards {
        grid-template-columns: 1fr;
    }
}

/* 添加一些微妙的交互效果 */
.about-text {
    transition: transform 0.3s ease;
}

.about-text:hover {
    transform: translateY(-5px);
}