Day7

https://leetcode-cn.com/problems/rotate-list/

function rotateRight(head: ListNode | null, k: number): ListNode | null {
  if (k === 0 || !head || !head.next) return head;
  let len = 1;
  let cur = head;
  // 计算总长度
  while (cur.next) {
    len++;
    cur = cur.next;
  }
  k = k % len;
  // k 取模为 0 直接返回
  if (k === 0) return head;
  // 需要移动的步数
  let pos = len - k;
  cur.next = head;
  while (pos) {
    cur = cur.next;
    pos--;
  }
  const res = cur.next;
  cur.next = null;
  return res;
}

Progress

<div class="tabs">
  <div class="tabs-header">
    <div class="nav-item nav-item-active">
      选项卡一
    </div>
    <div class="nav-item">
      选项卡二
    </div>
  </div>
  <div class="tabs-content">
    <progress max="100" value="40" />
    <progress max="100" value="100"></progress>
    <progress max="100" value="60"></progress>
  </div>
</div>

.tabs {
  width: 960px;
  height: 850px;
  margin: 48px auto;
  padding: 24px;
  box-sizing: border-box;
}

.tabs-header {
  display: flex;
  align-items: center;
  margin-left: -2px;
}

.nav-item {
  height: 55px;
  line-height: 50px;
  padding-right: 30px;
  text-align: center;
  width: 256px;
  font-weight: 800;
  font-family: PingFangSC-Semibold;
  font-size: 18px;
  color: #fff;
  text-align: center;
  position: relative;
}

.nav-item::after {
  content: '';
  position: absolute;
  top: 0;
  right: 0;
  bottom: 0;
  left: 0;
  z-index: -1;
  border-radius: 20px 20px 0 0;
  transform: scaleY(1.3) perspective(3em) rotateX(5deg);
  transform-origin: bottom left;
  background: #22222E;
}

.nav-item-active {
  color: #B04DFF;
}

.nav-item-active::after {
  border: 2px solid #B04DFF;
  border-bottom: #22222E;
}

.nav-item-active::before {
  content: '';
  height: 2.5px;
  position: absolute;
  bottom: -2px;
  z-index: 2;
  left: 2px;
  right: 2px;
  background-color: #22222E;
}

.tabs-content {
  position: relative;
  padding: 75px;
  box-sizing: border-box;
  height: 100%;
  background: #22222E;
  border-radius: 0 24px 24px 24px;
  border-top: 2px solid #B04DFF;
}

.tabs-content::before {
  content: '';
  position: absolute;
  z-index: -1;
  top: -2px;
  left: -2px;
  right: -2px;
  bottom: -2px;
  border-radius: 0 24px 24px 24px;
  background: linear-gradient(#c815ff 0%, #22222e 150px);
}

progress {
  width: 600px;
  height: 10px;
  background-color: transparent;
  margin-bottom: 82px;
}

progress::-webkit-progress-bar {
  border-radius: 5px;
  background-color: transparent;
}

progress::-webkit-progress-value {
  border-radius: 5px;
  background-image: linear-gradient(45deg, #385df2 0%, #c815ff 100%);
}