强制页脚停留在底部？

.container {
  display: flex;
  flex-direction: column;
  min-height: 100vh;
}

.content {
  flex-grow: 1;
}

.container {
  display: grid;
  grid-template-rows: 1fr auto;
  min-height: 100vh;
}

.container {
  position: relative;
  min-height: 100vh;
}

.content {
  padding-bottom: 60px; /* 页脚高度 */
}

.footer {
  position: absolute;
  bottom: 0;
  width: 100%;
}

function stickyFooter() {
  const content = document.querySelector('.content');
  const footer = document.querySelector('.footer');
  const contentHeight = content.offsetHeight;
  const footerHeight = footer.offsetHeight;
  const windowHeight = window.innerHeight;

  if (contentHeight + footerHeight< windowHeight) {
    content.style.paddingBottom = `${windowHeight - contentHeight}px`;
  } else {
    content.style.paddingBottom = '0';
  }
}

window.addEventListener('resize', stickyFooter);
stickyFooter();