/* 差异化品牌 Logo：不用系统 emoji，改成自定义龙虾助手图标 */
.logo{background:transparent!important;box-shadow:none!important;overflow:visible;position:relative}
.logo::after{content:"";position:absolute;inset:-5px;border-radius:18px;background:linear-gradient(135deg,rgba(242,106,46,.18),rgba(255,177,92,.10));z-index:-1;filter:blur(.2px)}
.logo img{width:43px;height:43px;display:block;border-radius:14px;filter:drop-shadow(0 10px 16px rgba(194,65,12,.22))}
.brand strong{letter-spacing:-.2px}.brand small{letter-spacing:.1px}