.about-container {
    max-width: 800px;
    margin: 100px auto 0;
    padding: 2rem;
}

.about-container h1 {
    text-align: center;
    margin-bottom: 3rem;
}

.about-content {
    background: rgba(255, 255, 255, 0.1);
    backdrop-filter: blur(10px);
    border-radius: 20px;
    padding: 2rem;
    box-shadow: 0 8px 32px rgba(31, 38, 135, 0.1);
}

.about-content p {
    color: var(--text-color);
    line-height: 1.8;
    font-size: 1.1rem;
    margin-bottom: 1.5rem;
}

.about-content p:last-child {
    margin-bottom: 0;
}

.about-description {
    font-size: 1.1rem;
    line-height: 1.8;
    color: #333;
    margin: 2rem 0;
}

/* 功能卡片样式 */
.feature-section {
    margin-bottom: 4rem;
}

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

.feature-card {
    background: rgba(255, 255, 255, 0.8);
    backdrop-filter: blur(10px);
    border-radius: 20px;
    padding: 2rem;
    box-shadow: 0 4px 20px rgba(0, 0, 0, 0.05);
    transition: all 0.3s ease;
}

.feature-card:hover {
    transform: translateY(-5px);
    box-shadow: 0 8px 30px rgba(140, 67, 255, 0.1);
}

.feature-icon {
    font-size: 2.5rem;
    margin-bottom: 1rem;
}

.feature-card h3 {
    color: var(--text-color);
    margin-bottom: 1rem;
    font-size: 1.4rem;
}

.feature-card p {
    color: #666;
    line-height: 1.6;
}

/* 技术栈样式 */
.tech-section {
    margin-bottom: 4rem;
}

.tech-list {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
    gap: 2rem;
    margin-top: 2rem;
}

.tech-item {
    background: linear-gradient(135deg, rgba(65, 105, 225, 0.1), rgba(147, 112, 219, 0.1));
    border-radius: 15px;
    padding: 1.5rem;
    transition: all 0.3s ease;
}

.tech-name {
    font-size: 1.2rem;
    font-weight: 600;
    color: var(--primary-color);
    margin-bottom: 0.5rem;
    display: block;
}

.tech-detail {
    color: #666;
    font-size: 1rem;
}

/* 更新计划样式 */
.update-section {
    margin-bottom: 4rem;
}

.timeline {
    margin-top: 2rem;
}

.timeline-item {
    display: flex;
    gap: 2rem;
    margin-bottom: 2rem;
    position: relative;
}

.timeline-item::before {
    content: '';
    position: absolute;
    left: 80px;
    top: 0;
    bottom: -2rem;
    width: 2px;
    background: linear-gradient(to bottom, var(--primary-color), transparent);
}

.timeline-item:last-child::before {
    display: none;
}

.time {
    min-width: 80px;
    font-weight: 600;
    color: var(--primary-color);
}

.content {
    flex: 1;
}

.content h4 {
    color: var(--text-color);
    margin-bottom: 0.5rem;
    font-size: 1.2rem;
}

.content p {
    color: #666;
    line-height: 1.6;
}

/* 标题样式 */
.about-container h2 {
    font-size: 2rem;
    color: var(--text-color);
    margin-bottom: 1rem;
    position: relative;
    display: inline-block;
}

.about-container h2::after {
    content: '';
    position: absolute;
    left: 0;
    bottom: -5px;
    width: 100%;
    height: 3px;
    background: linear-gradient(to right, var(--primary-color), var(--secondary-color));
    border-radius: 3px;
}

/* 响应式调整 */
@media (max-width: 768px) {
    .about-container {
        margin-top: 80px;
        padding: 1rem;
    }

    .about-content {
        padding: 1.5rem;
    }

    .about-content p {
        font-size: 1rem;
        line-height: 1.6;
    }

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

    .tech-list {
        grid-template-columns: 1fr;
    }

    .timeline-item {
        flex-direction: column;
        gap: 1rem;
    }

    .timeline-item::before {
        left: 0;
        top: 30px;
        bottom: 0;
    }

    .time {
        padding-left: 20px;
    }

    .content {
        padding-left: 20px;
    }

    .contact-items {
        grid-template-columns: 1fr;
    }

    .contact-item {
        padding: 1rem;
    }
}

.contact-section {
    margin-top: 3rem;
}

.contact-section h2 {
    font-size: 1.5rem;
    margin-bottom: 1.5rem;
    background: linear-gradient(135deg, #4361EE, #F72585);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
}

.contact-items {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(250px, 1fr));
    gap: 1.5rem;
}

.contact-item {
    display: flex;
    align-items: center;
    padding: 1.5rem;
    background: rgba(255, 255, 255, 0.1);
    border-radius: 15px;
    backdrop-filter: blur(5px);
    transition: transform 0.3s ease, box-shadow 0.3s ease;
}

.contact-item:hover {
    transform: translateY(-5px);
    box-shadow: 0 10px 20px rgba(67, 97, 238, 0.1);
}

.contact-icon {
    width: 40px;
    height: 40px;
    margin-right: 1rem;
    filter: drop-shadow(0 2px 4px rgba(0, 0, 0, 0.1));
}

.contact-info {
    flex: 1;
}

.contact-info h3 {
    font-size: 1.1rem;
    margin: 0 0 0.5rem 0;
    color: #333;
}

.contact-info p {
    font-size: 1rem;
    color: #666;
    margin: 0;
}