   /* 遮罩层动画 */
   .overlay {
    display: none;
    position: fixed;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background: rgba(0, 0, 0, 0.6);
    backdrop-filter: blur(5px);
    z-index: 999;
    animation: fadeIn 0.3s ease-out;
}

/* 弹窗容器 */
.popup {
    position: relative;
    width: 720px;
    background: linear-gradient(135deg, #ffffff 0%, #f8f9fa 100%);
    border-radius: 16px;
    padding: 20px;
    box-shadow: 0 10px 30px rgba(0, 0, 0, 0.15);
    transform: translate(-50%, -50%) scale(0.9);
    opacity: 0;
    animation: popIn 0.4s cubic-bezier(0.175, 0.885, 0.32, 1.275) forwards;
    top: 50%;
    left: 50%;
    border: 1px solid rgba(255, 255, 255, 0.3);
}

/* 关闭按钮美化 */
.close-btn {
    position: absolute;
    right: 20px;
    top: 20px;
    width: 32px;
    height: 32px;
    background: linear-gradient(45deg, #ff6b6b, #ff8787);
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    color: white;
    cursor: pointer;
    transition: all 0.3s ease;
    box-shadow: 0 2px 5px rgba(255, 107, 107, 0.3);
}

.close-btn:hover {
    transform: rotate(90deg) scale(1.1);
    box-shadow: 0 3px 8px rgba(255, 107, 107, 0.5);
}

/* 内容排版 */
.popup h2 {
    color: #2d3436;
    margin-bottom: 20px;
    font-weight: 600;
    font-size: 24px;
}

.popup p {
    color: #636e72;
    line-height: 1.6;
    margin-bottom: 25px;
}

/* 装饰元素 */
.popup::before {
    content: '';
    position: absolute;
    top: -10px;
    right: -10px;
    bottom: -10px;
    left: -10px;
    border-radius: 20px;
    background: linear-gradient(135deg, rgba(255, 255, 255, 0.1), rgba(255, 255, 255, 0));
    z-index: -1;
}

/* 行动按钮美化 */
.action-btn {
    display: inline-block;
    padding: 12px 30px;
    background: linear-gradient(45deg, #4b6cb7, #3b55a0);
    color: white;
    border-radius: 8px;
    text-decoration: none;
    font-weight: 500;
    transition: transform 0.2s, box-shadow 0.2s;
    border: none;
    cursor: pointer;
}

.action-btn:hover {
    transform: translateY(-2px);
    box-shadow: 0 5px 15px rgba(75, 108, 183, 0.4);
}

/* 动画定义 */
@keyframes fadeIn {
    from {
        opacity: 0;
    }

    to {
        opacity: 1;
    }
}

@keyframes popIn {
    0% {
        opacity: 0;
        transform: translate(-50%, -50%) scale(0.8);
    }

    80% {
        transform: translate(-50%, -50%) scale(1.05);
    }

    100% {
        opacity: 1;
        transform: translate(-50%, -50%) scale(1);
    }
}

/* 响应式设计 */
@media (max-width: 480px) {
    .popup {
        width: 90%;
        padding: 25px;
    }

    .popup h2 {
        font-size: 20px;
    }
}

/* 新增手写字体 */
.handwriting {
    font-family: 'Ma Shan Zheng', cursive;
    color: #ff7a7a;
}

/* 时间线样式 */
.timeline {
    position: relative;
    padding: 20px 0;
}

.timeline::before {
    content: '';
    position: absolute;
    left: 10px;
    top: 0;
    height: 100%;
    width: 2px;
    background: #4b6cb7;
}

.timeline-item {
    position: relative;
    padding-left: 30px;
    margin-bottom: 25px;
}

.timeline-item::before {
    content: '';
    position: absolute;
    left: 0;
    top: 5px;
    width: 16px;
    height: 16px;
    border-radius: 50%;
    background: #4b6cb7;
    border: 3px solid #fff;
    box-shadow: 0 0 0 2px #4b6cb7;
}

/* 头像样式 */
.avatar {
    width: 80px;
    height: 80px;
    border-radius: 50%;
    border: 3px solid #4b6cb7;
    margin: -60px auto 20px;
    overflow: hidden;
    transform: translateY(-20px);
    opacity: 0;
    animation: slideDown 0.5s 0.3s forwards;
}
.avatar img{
    width: 100%;
    height: 100%;
}
/* 社交图标 */
.social-links {
    display: flex;
    justify-content: center;
    gap: 15px;
    margin-top: 20px;
}

.social-links a {
    color: #636e72;
    font-size: 20px;
    transition: all 0.3s;
}

.social-links a:hover {
    color: #4b6cb7;
    transform: translateY(-2px);
}

/* 新增动画 */
@keyframes slideDown {
    from {
        opacity: 0;
        transform: translateY(-20px);
    }

    to {
        opacity: 1;
        transform: translateY(0);
    }
}

/* 调整内容区域 */
.popup p {
    font-size: 15px;
    line-height: 1.8;
    margin-bottom: 15px;
}

.highlight {
    color:rgb(41 151 247);
    font-weight: 600;
    border-radius:2px;
font-size:15px; 
}