/* 语言下拉：沿用右上角原有的胶囊样式，不引入新的视觉语言。 */
#lang.lang-select {
  -webkit-appearance: none;
  appearance: none;
  font: inherit;
  font-size: 12px;
  letter-spacing: .06em;
  text-transform: none;
  color: inherit;
  background: rgba(255, 255, 255, .04);
  border: 1px solid rgba(255, 255, 255, .18);
  border-radius: 999px;
  padding: 7px 26px 7px 12px;
  cursor: pointer;
  line-height: 1;
  background-image: linear-gradient(45deg, transparent 50%, currentColor 50%),
                    linear-gradient(135deg, currentColor 50%, transparent 50%);
  background-position: calc(100% - 13px) 50%, calc(100% - 8px) 50%;
  background-size: 5px 5px, 5px 5px;
  background-repeat: no-repeat;
  opacity: .85;
}
#lang.lang-select:hover { opacity: 1; }
#lang.lang-select:focus-visible { outline: 2px solid currentColor; outline-offset: 2px; }
#lang.lang-select option { background: #0a0a0c; color: #eee; }

html[dir='rtl'] #lang.lang-select {
  background-position: 13px 50%, 8px 50%;
  padding: 7px 12px 7px 26px;
}