/* 纯 CSS 图标：放大镜 / 用户 / 购物车 / 左右箭头 */
.icon-search, .icon-user, .icon-cart, .icon-arrowL, .icon-arrowR {
    display: inline-block;
    width: 14px; height: 14px;
    background-repeat: no-repeat;
    background-position: center;
    flex: 0 0 auto;
}
/* 导航栏放大版图标（topbar 内 2x） */
.site-topbar .icon-search { width: 28px; height: 28px; }
.site-topbar .icon-user, .site-topbar .icon-cart { width: 30px; height: 30px; }
.icon-search {
    background-image: url("data:image/svg+xml;utf8,<svg xmlns='http://www.w3.org/2000/svg' viewBox='0 0 24 24' fill='none' stroke='%230b63ce' stroke-width='2.4'><circle cx='11' cy='11' r='7'/><line x1='16.5' y1='16.5' x2='21' y2='21'/></svg>");
    background-size: 14px 14px;
}
.site-topbar .icon-search { background-size: 28px 28px; }
.icon-user {
    background-image: url("data:image/svg+xml;utf8,<svg xmlns='http://www.w3.org/2000/svg' viewBox='0 0 24 24' fill='none' stroke='%23cfd8e3' stroke-width='2.2'><circle cx='12' cy='8' r='4'/><path d='M4 21c1.2-3.8 4.3-6 8-6s6.8 2.2 8 6'/></svg>");
    background-size: 15px 15px;
}
.site-topbar .icon-user { background-size: 30px 30px; }
.elec-account:hover .icon-user, .elec-cart:hover .icon-cart { filter: brightness(0) invert(1); }
.icon-cart {
    background-image: url("data:image/svg+xml;utf8,<svg xmlns='http://www.w3.org/2000/svg' viewBox='0 0 24 24' fill='none' stroke='%23cfd8e3' stroke-width='2.2'><path d='M2 3h3l2.6 12.5a1.6 1.6 0 0 0 1.6 1.3h8.6a1.6 1.6 0 0 0 1.6-1.3L21.5 7H6'/><circle cx='10' cy='20.5' r='1.6'/><circle cx='17.5' cy='20.5' r='1.6'/></svg>");
    background-size: 15px 15px;
}
.site-topbar .icon-cart { background-size: 30px 30px; }
.icon-arrowL, .icon-arrowR { width: 18px; height: 18px; background-size: 18px 18px; }
.icon-arrowL {
    background-image: url("data:image/svg+xml;utf8,<svg xmlns='http://www.w3.org/2000/svg' viewBox='0 0 24 24' fill='none' stroke='white' stroke-width='2.6'><path d='M15 4l-8 8 8 8'/></svg>");
}
.icon-arrowR {
    background-image: url("data:image/svg+xml;utf8,<svg xmlns='http://www.w3.org/2000/svg' viewBox='0 0 24 24' fill='none' stroke='white' stroke-width='2.6'><path d='M9 4l8 8-8 8'/></svg>");
}