.header-nav{z-index:1000;box-sizing:border-box;background:#fff;border-bottom:1px solid #eee;justify-content:space-between;align-items:center;width:100%;max-width:580px;height:56px;padding:0 12px;display:flex;position:fixed;top:0}.header-nav .nav-left,.header-nav .nav-right{flex:none;align-items:center;min-width:40px;display:flex}.header-nav .cart-icon{position:relative}.header-nav .cart-icon .cart-count{color:#fff;background:red;border-radius:50%;padding:2px 5px;font-size:10px;font-weight:700;position:absolute;top:-4px;right:-6px}.header-nav .nav-center{text-align:center;justify-content:center;align-items:center;max-width:calc(100% - 120px);display:flex;position:absolute;left:50%;transform:translate(-50%)}.header-nav .nav-center .title{color:#333;white-space:nowrap;text-overflow:ellipsis;font-size:16px;font-weight:600;overflow:hidden}.header-nav .nav-center .search-btn{cursor:pointer;background:#f5f5f5;border-radius:50%;justify-content:center;align-items:center;width:36px;height:36px;transition:all .2s;display:flex}.header-nav .nav-center .search-btn:active{transform:scale(.9)}.header-nav .nav-left .logo-placeholder{color:#888;background:#fff;border-radius:12px;justify-content:center;align-items:center;width:90px;height:32px;font-size:14px;font-weight:600;display:flex}.header-nav .nav-left .back-btn{cursor:pointer;justify-content:center;align-items:center;width:40px;height:40px;display:flex}.header-nav .nav-right{gap:12px}.header-nav .nav-right .right-text{color:#333;cursor:pointer;white-space:nowrap;border-radius:6px;justify-content:center;align-items:center;padding:4px 6px;font-size:16px;font-weight:600;display:flex}.header-nav .nav-right .right-text:active{background:#f2f2f2}.header-nav .nav-right .icon-box{cursor:pointer;justify-content:center;align-items:center;width:36px;height:36px;display:flex;position:relative}.header-nav .nav-right .icon-box .dot{background:#ff4d4f;border-radius:50%;width:8px;height:8px;position:absolute;top:-2px;right:-2px}.header-nav .nav-right .lang-box{cursor:pointer;z-index:1100;align-items:center;display:flex}.header-nav .nav-right .lang-box img.ic-flag{border-radius:50%;width:25px;height:25px;display:block}