.flash-sale-bg {position: relative;overflow: hidden;border-radius: 14px;padding: 14px;background:radial-gradient(circle at 12% 18%, rgba(214, 255, 151, .75), transparent 24%),radial-gradient(circle at 86% 65%, rgba(107, 255, 76, .35), transparent 28%),linear-gradient(105deg, #efffe5 0%, #ffffff 45%, #e8ffdc 100%);border: 2px solid #47d661;box-shadow:inset 0 0 0 3px rgba(255,255,255,.85),inset 0 0 18px rgba(104,255,97,.55),0 6px 18px rgba(47,190,62,.35);}

.flash-sale-bg:before {content: "";position: absolute;inset: 0;pointer-events: none;background:linear-gradient(to bottom, rgba(255,255,255,.75), transparent 38%),radial-gradient(circle at 18% 96%, rgba(255,255,255,.9), transparent 18%),repeating-linear-gradient(90deg,rgba(255,255,255,.35) 0 1px,transparent 1px 118px),repeating-linear-gradient(0deg,rgba(255,255,255,.35) 0 1px,transparent 1px 48px);opacity: .65;}

.flash-sale-bg:after {content: "";position: absolute;inset: 0;pointer-events: none;background:radial-gradient(circle, rgba(255,255,255,.8) 1.5px, transparent 2px) 36px 125px / 14px 14px,radial-gradient(circle, rgba(255,255,255,.75) 1.5px, transparent 2px) right 55px bottom 42px / 14px 14px;mask-image: linear-gradient(90deg, #000 0 22%, transparent 34%, transparent 68%, #000 80% 100%);}

.flash-sale-bg .col-inner{position: relative;z-index: 2;}

.flash-sale-countdown{display:flex;align-items:center;gap:12px;font-family:inherit;}

.flash-sale-label{color:#333;font-size:15px;font-weight:600;white-space:nowrap;}

.flash-sale-time{display:flex;align-items:center;gap:5px;}

.flash-sale-time .time-box{width:42px;height:42px;background:#16a34a;border-radius:6px;display:flex;align-items:center;justify-content:center;box-shadow:inset 0 1px 0 rgba(255,255,255,.15),0 2px 6px rgba(0,0,0,.12);}

.flash-sale-time .time-value{color:#fff;font-size:20px;font-weight:700;line-height:1;}

.flash-sale-time .time-separator{color:#16a34a;font-size:20px;font-weight:700;line-height:1;}

.flash-sale-bg .tieudeflatsome{margin-bottom:20px;}