/* ====== 页面样式 ====== */
.footer-container {
    position: relative;
    width: 100%;
    height: auto;
    display: flex;
    flex-direction: row;
    justify-content: center;
    align-items: initial;
    text-align: center;
    color: var(--text-primary-colour);
    overflow: visible;
    gap: 50px;
    padding: 20px;
}
.footer-container::before {
  content: "";
  position: absolute;
  top: 0;
  left: 50%;
  transform: translateX(-50%);
  width: 90%;
  height: 4px;
  background: linear-gradient(to right, transparent, #0066ff, #ff3333, transparent);
}
@media (max-width: 768px) { 
    .footer-container {
        flex-direction: column;
    }
}
.footer-container .footer-section .title {
    font-weight: bolder;
    color: var(--text-primary-colour);
}
.footer-container .logo img {
    transition: transform  0.5s ease;
}
.footer-container .logo img:hover {
    transform: scale(1.15);
}
/* ------ 公司介绍 ------ */
.footer-container .company-information {
    display: flex;
    flex-direction: column;
    text-align: center;
    gap: 10px;
}
.footer-container .company-information .title h3 {
    position: relative; /* 为伪元素定位提供参照 */
    display: inline-block; /* 让h3宽度适应内容 */
    transition: all 0.3s ease;
}
.footer-container .company-information .title h3.underline-hover {
    position: relative;
    padding-bottom: 3px; /* 添加下边距来控制下划线与文字的距离 */
}
.footer-container .company-information .title h3.underline-hover::after {
    content: '';
    position: absolute;
    left: 0; /* 控制下划线起始位置 */
    bottom: 0; /* 控制下划线与文字的距离，0表示紧贴padding-bottom */
    width: 100%; /* 控制下划线长度为文字的100% */
    height: 3px; /* 下划线粗细 */
    background: linear-gradient(to right, transparent, #0066ff, #ff3333, transparent);
    animation: underline-appear 0.3s ease-out;
    transform-origin: center;
}
@keyframes underline-appear {
    from {
        transform: scaleX(0);
        opacity: 0;
    }
    to {
        transform: scaleX(1);
        opacity: 1;
    }
}
/* ------ end 公司介绍 ------ */

/* ------ 版权声明 ------ */
.footer-container .copyright .logo img {
    width: 149px;
    height: 75px;
}
.footer-container .copyright {
    display: flex;
    flex-direction: column;
    gap: 10px;
}
.footer-container .text {
    display: flex;
    flex-direction: column;
    gap: 20px;
}
.footer-container .copyright .content {
    color: var(--text-secondary-colour);
}
.footer-container .copyright .content .text img {
    transform: translateY(2px);
    width: 12px;
}
/* ------ end 版权声明 ------ */

/* ------ 公众号，联系方式 ------ */
.footer-container .follow-us {
    display: flex;
    flex-direction: column;
    text-align: center;
    gap: 10px;
}
.footer-container .follow-us .content {
    display: flex;
    flex-direction: column;
    text-align: center;
    gap: 20px;
}
.footer-container .follow-us img {
    width: 280px;
    height: 100px;
}
.footer-container .follow-us ul {
    list-style: none;
    text-align: center;
}
.footer-container .follow-us li {
    color: var(--text-secondary-colour);
}
/* ------ end 公众号，联系方式 ------ */
/* ====== end 页面样式 ====== */