/* B2C CRMEB-style retail mall theme */
:root {
    --color-primary: #e93323;
    --color-primary-dark: #c91f14;
    --color-accent: #ff7a00;
    --color-bg: #f6f7fb;
    --color-surface: #fff;
    --color-text: #282828;
    --color-text-secondary: #666;
    --color-text-muted: #999;
    --color-border: #eceff5;
    --color-footer-bg: #1f2024;
    --radius-sm: 10px;
    --radius-lg: 20px;
    --radius-card: 20px;
    --radius-pill: 999px;
    --shadow: 0 10px 28px rgba(24, 31, 48, .08);
    --shadow-lg: 0 18px 46px rgba(24, 31, 48, .14);
    --shadow-soft: 0 8px 24px rgba(24, 31, 48, .06);
    --header-main-height: 96px;
    --header-topbar-height: 40px;
    --header-with-topbar-height: calc(var(--header-main-height) + var(--header-topbar-height));
}

* { box-sizing: border-box; margin: 0; padding: 0; }
html { scroll-behavior: smooth; }
body {
    color: var(--color-text);
    background:
        radial-gradient(circle at 10% 0, rgba(233,51,35,.05), transparent 26%),
        linear-gradient(180deg, #fbfbfd 0%, var(--color-bg) 360px, var(--color-bg) 100%);
    font-family: "Microsoft YaHei", "PingFang SC", "Segoe UI", sans-serif;
    font-size: 14px;
    line-height: 1.55;
}
a { color: inherit; text-decoration: none; transition: color .18s, background .18s, border-color .18s, transform .18s, box-shadow .18s; }
a:hover { color: var(--color-primary); }
img { display: block; max-width: 100%; height: auto; }
button, input, textarea, select { font: inherit; }
button { border: 0; cursor: pointer; background: none; }
ul { list-style: none; }
.container, .section-container, .page-container, .page-content { max-width: 1200px; margin: 0 auto; padding: 0; }
.main-content { min-height: 60vh; }

.site-header {
    position: relative;
    z-index: 1000;
    background: #fff;
    box-shadow: 0 1px 0 rgba(0,0,0,.06);
}
.site-header.scrolled { box-shadow: 0 12px 34px rgba(24,31,48,.1); }
.top-bar { height: var(--header-topbar-height); background: #242424; color: #b4b4b4; font-size: 12px; }
.top-bar-inner { max-width: 1200px; height: 100%; margin: 0 auto; display: flex; justify-content: space-between; gap: 16px; align-items: center; }
.top-bar a { color: #b4b4b4; }
.top-bar a:hover { color: #fff; }
.top-bar-actions, .top-bar-phone { display: flex; align-items: center; gap: 0; }
.top-bar-actions a, .top-bar-fav, .lang-switch-btn { display: inline-flex; align-items: center; min-height: 40px; padding: 0 14px; border-left: 1px solid rgba(255,255,255,.06); color: #b4b4b4; font-size: 12px; }
.top-bar-actions a:first-child { border-left: 0; }
.top-bar-cart { background: #383838; color: #fff !important; }
.header-container { height: var(--header-main-height); max-width: 1200px; margin: 0 auto; display: grid; grid-template-columns: 190px minmax(0, 1fr) 360px; align-items: center; gap: 24px; }
.header-logo { display: inline-flex; align-items: center; gap: 10px; min-width: 0; }
.logo-img { max-height: 58px; width: auto; object-fit: contain; }
.logo-mark { display: inline-flex; align-items: center; height: 44px; padding: 0 13px; border-radius: var(--radius-pill); background: #111; color: #fff; font-size: 23px; line-height: 1; font-weight: 950; letter-spacing: 0; }
.logo-text, .header-logo .logo-text { color: #111; font-size: 20px; line-height: 1.2; font-weight: 900; letter-spacing: 0; overflow: hidden; text-overflow: ellipsis; white-space: nowrap; }
.main-nav { min-width: 0; display: flex; align-items: center; justify-content: flex-start; }
.nav-wrap { display: flex; align-items: center; gap: 6px; min-width: 0; }
.nav-item, .nav-more, .nav-subitem, .nav-more-item { position: relative; }
.nav-link, .nav-more-btn { display: inline-flex; align-items: center; gap: 4px; min-height: 48px; padding: 0 14px; color: #282828; font-size: 16px; font-weight: 500; white-space: nowrap; border-bottom: 2px solid transparent; }
.nav-link:hover, .nav-link.active, .nav-more-btn:hover { color: var(--color-primary); border-bottom-color: var(--color-primary); }
.nav-dropdown, .nav-submenu, .nav-more-dropdown { display: none; position: absolute; top: 100%; left: 0; min-width: 184px; padding: 8px; border: 1px solid var(--color-border); border-radius: 16px; background: #fff; box-shadow: var(--shadow-lg); z-index: 20; }
.nav-submenu { top: 0; left: 100%; margin-left: 4px; }
.nav-item:hover > .nav-dropdown, .nav-subitem:hover > .nav-submenu, .nav-more:hover > .nav-more-dropdown { display: block; }
.nav-sub-link, .nav-submenu-link, .nav-more-link { display: flex; justify-content: space-between; gap: 12px; padding: 10px 14px; color: var(--color-text); font-size: 13px; white-space: nowrap; }
.nav-sub-link, .nav-submenu-link, .nav-more-link { border-radius: 10px; }
.nav-sub-link:hover, .nav-submenu-link:hover, .nav-more-link:hover { background: #fff3f1; color: var(--color-primary); }
.header-actions { display: flex; align-items: center; justify-content: flex-end; min-width: 0; }
.header-search { width: 360px; height: 42px; display: flex; align-items: center; border: 1px solid rgba(233,51,35,.65); border-radius: var(--radius-pill); background: #fff; overflow: hidden; box-shadow: 0 8px 24px rgba(233,51,35,.08); }
.header-search input { flex: 1; min-width: 0; height: 100%; border: 0; outline: 0; padding: 0 14px; background: transparent; color: #555; font-size: 13px; }
.header-search button { width: 70px; height: 42px; display: grid; place-items: center; border-radius: var(--radius-pill); background: var(--color-primary); color: #fff; font-size: 14px; font-weight: 700; }
.header-consult, .btn-primary, .btn {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    min-height: 36px;
    padding: 0 18px;
    border-radius: var(--radius-pill);
    background: var(--color-primary);
    color: #fff;
    font-size: 14px;
    font-weight: 700;
}
.header-consult:hover, .btn-primary:hover, .btn:hover { color: #fff; background: var(--color-primary-dark); }
.btn-secondary { display: inline-flex; align-items: center; justify-content: center; min-height: 34px; padding: 0 16px; border: 1px solid #ddd; border-radius: var(--radius-pill); background: #fff; color: #555; font-size: 13px; font-weight: 500; box-shadow: var(--shadow-soft); }
.btn-secondary:hover { border-color: var(--color-primary); color: var(--color-primary); background: #fff; }
.lang-switch { position: relative; }
.lang-dropdown { display: none; position: absolute; right: 0; top: 100%; min-width: 120px; padding: 6px; background: #fff; border: 1px solid var(--color-border); border-radius: 14px; box-shadow: var(--shadow-lg); }
.lang-switch:hover .lang-dropdown { display: block; }
.lang-dropdown a { display: block; padding: 8px 12px; color: #555; border: 0; }
.menu-toggle { display: none; width: 40px; height: 40px; align-items: center; justify-content: center; flex-direction: column; gap: 5px; justify-self: end; }
.menu-toggle span { width: 22px; height: 2px; background: var(--color-text); border-radius: 2px; }
.mobile-nav { display: none; background: #fff; border-top: 1px solid var(--color-border); }
.mobile-nav.open { display: block; }
.mobile-nav-link, .mobile-nav-child, .mobile-nav-grandchild, .mobile-phone { display: block; padding: 12px 20px; border-bottom: 1px solid var(--color-border); color: var(--color-text); }
.mobile-nav-child { padding-left: 36px; color: var(--color-text-secondary); }
.mobile-nav-grandchild { padding-left: 52px; color: var(--color-text-muted); }
.mobile-search { display: flex; gap: 8px; padding: 12px 20px; border-bottom: 1px solid var(--color-border); }
.mobile-search input { flex: 1; min-width: 0; height: 38px; border: 1px solid var(--color-primary); border-radius: var(--radius-pill); padding: 0 12px; }
.mobile-search button { width: 64px; height: 38px; border-radius: var(--radius-pill); background: var(--color-primary); color: #fff; }
.mobile-lang-switch { display: flex; }
.mobile-lang-item { flex: 1; padding: 12px; text-align: center; border-bottom: 1px solid #eee; }

.page-banner { margin-top: 0; padding: 48px 20px 42px; text-align: center; background: #fff; color: var(--color-text); border-bottom: 1px solid var(--color-border); }
.page-banner h1 { margin-bottom: 8px; font-size: 30px; line-height: 1.2; font-weight: 900; }
.page-banner p { max-width: 620px; margin: 0 auto; color: var(--color-text-muted); font-size: 13px; }
.breadcrumb { max-width: 1200px; margin: 0 auto; padding: 14px 0; display: flex; gap: 8px; color: var(--color-text-muted); font-size: 12px; }
.breadcrumb .current { color: var(--color-text); }
.section-kicker { display: inline-flex; align-items: center; min-height: 24px; padding: 0 10px; border-radius: var(--radius-pill); background: #fff0ee; color: var(--color-primary); font-size: 12px; font-weight: 700; }
.products-section, .articles-section, .detail-section { padding: 36px 0 58px; }

.mall-title {
    display: flex;
    align-items: center;
    justify-content: space-between;
    min-height: 68px;
    padding: 0 4px;
    color: var(--color-text);
}
.mall-title-main { display: flex; align-items: baseline; gap: 12px; min-width: 0; }
.mall-title h2 { color: #282828; font-size: 26px; line-height: 1; font-weight: 950; letter-spacing: 0; }
.mall-title span { color: #8b8b8b; font-size: 13px; }
.mall-title a { display: inline-flex; align-items: center; min-height: 32px; padding: 0 12px; border-radius: var(--radius-pill); background: #fff; color: #999; font-size: 13px; box-shadow: 0 4px 14px rgba(24,31,48,.04); }
.mall-title a:hover { color: var(--color-primary); }

.grid-2 { display: grid; grid-template-columns: repeat(2, minmax(0,1fr)); gap: 18px; }
.grid-3 { display: grid; grid-template-columns: repeat(3, minmax(0,1fr)); gap: 18px; }
.grid-4 { display: grid; grid-template-columns: repeat(4, minmax(0,1fr)); gap: 16px; }
.card { background: #fff; border: 1px solid rgba(233,238,245,.95); border-radius: var(--radius-card); overflow: hidden; box-shadow: var(--shadow-soft); transition: transform .18s, box-shadow .18s, border-color .18s; }
.card:hover { transform: translateY(-2px); border-color: rgba(233,51,35,.24); box-shadow: var(--shadow-lg); }
.card-link { display: block; color: inherit; height: 100%; }
.card-img-wrap { position: relative; overflow: hidden; background: #f6f6f6; aspect-ratio: 1 / 1; }
.card-img { width: 100%; height: 100%; object-fit: cover; transition: transform .28s; }
.card:hover .card-img { transform: scale(1.03); }
.card-body { padding: 14px; }
.card-title { margin-bottom: 6px; color: var(--color-text); font-size: 14px; line-height: 1.45; font-weight: 600; }
.card-desc { color: var(--color-text-secondary); font-size: 12px; line-height: 1.55; display: -webkit-box; -webkit-line-clamp: 2; -webkit-box-orient: vertical; overflow: hidden; }
.price-row { display: flex; flex-wrap: wrap; align-items: baseline; gap: 7px; margin-top: 10px; }
.price, .product-price { color: var(--color-primary); font-size: 18px; font-weight: 900; letter-spacing: 0; }
.price-original, del { color: var(--color-text-muted); font-size: 12px; }
.cate-filter, .category-filter { display: flex; flex-wrap: wrap; gap: 8px; }
.tag, .category-filter a, .category-filter-item { display: inline-flex; align-items: center; min-height: 32px; padding: 0 12px; border: 1px solid #e6e6e6; border-radius: var(--radius-pill); background: #fff; color: var(--color-text-secondary); font-size: 13px; box-shadow: 0 4px 14px rgba(24,31,48,.04); }
.tag:hover, .tag-primary, .category-filter a:hover, .category-filter .active, .category-filter-item.active { background: var(--color-primary); border-color: var(--color-primary); color: #fff; }
.pager, .pagination-wrapper, .pagination { margin-top: 28px; display: flex; gap: 8px; justify-content: center; }
.pager a, .pager span, .pagination a, .pagination span { min-width: 34px; height: 34px; display: inline-flex; align-items: center; justify-content: center; border: 1px solid #e6e6e6; border-radius: 12px; background: #fff; color: var(--color-text-secondary); font-size: 13px; box-shadow: 0 4px 14px rgba(24,31,48,.04); }
.pager .current, .pager a:hover, .pagination .active, .pagination a:hover { background: var(--color-primary); border-color: var(--color-primary); color: #fff; }
.detail-body, .richtext, .article-content { color: var(--color-text-secondary); line-height: 1.8; font-size: 14px; }
.detail-body img, .richtext img, .article-content img { margin: 14px 0; }

.product-grid { display: grid; grid-template-columns: repeat(5, minmax(0, 1fr)); gap: 16px; }
.product-card { overflow: hidden; border: 1px solid rgba(233,238,245,.95); border-radius: var(--radius-card); background: #fff; box-shadow: var(--shadow-soft); transition: transform .18s, box-shadow .18s, border-color .18s; }
.product-card:hover { transform: translateY(-3px); border-color: rgba(233,51,35,.22); box-shadow: var(--shadow-lg); }
.product-image { position: relative; display: block; aspect-ratio: 1 / 1; overflow: hidden; background: #f6f6f6; border-radius: 14px 14px 0 0; }
.product-image img { width: 100%; height: 100%; object-fit: cover; transition: transform .28s; }
.product-card:hover .product-image img { transform: scale(1.03); }
.product-badge { position: absolute; left: 10px; top: 10px; padding: 4px 9px; border-radius: var(--radius-pill); background: var(--color-primary); color: #fff; font-size: 11px; font-weight: 700; box-shadow: 0 8px 18px rgba(233,51,35,.22); }
.product-body { padding: 13px 14px 15px; }
.product-body h3 { margin: 0 0 8px; color: var(--color-text); font-size: 14px; line-height: 1.45; font-weight: 500; min-height: 40px; display: -webkit-box; -webkit-line-clamp: 2; -webkit-box-orient: vertical; overflow: hidden; }
.product-body p { min-height: 34px; color: var(--color-text-muted); font-size: 12px; line-height: 1.5; display: -webkit-box; -webkit-line-clamp: 2; -webkit-box-orient: vertical; overflow: hidden; }
.product-meta { display: flex; flex-wrap: wrap; align-items: baseline; gap: 7px; margin-top: 9px; }
.product-meta .product-price, .product-price { color: var(--color-primary); font-size: 18px; font-weight: 950; }
.product-submeta { display: flex; flex-wrap: wrap; align-items: center; justify-content: flex-start; gap: 6px 8px; margin-top: 8px; color: #999; font-size: 12px; }
.product-actions { display: flex; align-items: center; justify-content: flex-end; gap: 8px; margin-top: 10px; }
.product-link { min-height: 28px; display: inline-flex; align-items: center; justify-content: center; margin-left: auto; padding: 0 11px; border-radius: var(--radius-pill); background: var(--color-primary); color: #fff; font-size: 12px; font-weight: 800; white-space: nowrap; box-shadow: 0 8px 18px rgba(233,51,35,.18); }
.product-link:hover { color: #fff; background: #cf2419; transform: translateY(-1px); }

.mall-side-toolbar {
    position: fixed;
    right: 32px;
    top: 315px;
    z-index: 920;
    width: 70px;
    background: #fff;
    border: 1px solid rgba(233,238,245,.95);
    border-radius: 18px;
    box-shadow: var(--shadow);
    overflow: hidden;
}
.mall-side-tool {
    display: flex;
    flex-direction: column;
    align-items: center;
    justify-content: center;
    gap: 6px;
    min-height: 74px;
    padding: 8px 6px;
    border-bottom: 1px solid var(--color-border);
    color: #666;
    font-size: 12px;
    text-align: center;
}
.mall-side-tool:last-child { border-bottom: 0; }
.mall-side-tool svg { width: 22px; height: 22px; stroke: currentColor; }
.mall-side-tool:hover { color: var(--color-primary); background: #fff8f7; }

.site-footer { margin-top: 0; background: var(--color-footer-bg); color: rgba(255,255,255,.66); border-top: 0; box-shadow: none; }
.footer-service { margin-top: 38px; border-bottom: 1px solid rgba(255,255,255,.08); background: var(--color-footer-bg); }
.footer-service-inner { max-width: 1200px; margin: 0 auto; display: grid; grid-template-columns: repeat(4, 1fr); gap: 0; padding: 24px 0; }
.footer-service-item { display: flex; align-items: center; justify-content: center; gap: 12px; color: rgba(255,255,255,.92); font-size: 16px; font-weight: 700; }
.footer-service-icon { width: 34px; height: 34px; display: grid; place-items: center; border: 1px solid rgba(255,255,255,.42); border-radius: 50%; background: rgba(255,255,255,.06); color: #fff; font-size: 16px; }
.footer-container { max-width: 1200px; margin: 0 auto; padding: 30px 0 26px; display: grid; grid-template-columns: 1.4fr 1fr 1fr; gap: 32px; }
.footer-title { margin-bottom: 12px; color: #fff; font-size: 14px; }
.footer-desc, .footer-links a, .contact-value { color: rgba(255,255,255,.64); font-size: 13px; }
.footer-links li, .footer-contact li { margin-bottom: 8px; }
.footer-contact li { display: flex; gap: 9px; }
.footer-contact svg { color: rgba(255,255,255,.38); }
.contact-label { display: block; color: rgba(255,255,255,.42); font-size: 12px; }
.footer-logo-img { max-height: 42px; }
.footer-bottom { border-top: 1px solid rgba(255,255,255,.08); }
.footer-bottom .footer-container { display: block; padding-top: 16px; padding-bottom: 16px; }
.copyright { text-align: center; color: rgba(255,255,255,.42); font-size: 12px; }
.footer-wechat, .footer-social { display: none; }
.back-to-top { position: fixed; right: 32px; bottom: 22px; z-index: 930; width: 46px; height: 46px; display: none; align-items: center; justify-content: center; background: #fff; color: #666; border: 1px solid var(--color-border); border-radius: 50%; box-shadow: var(--shadow); }
.back-to-top.show { display: flex; }
.back-to-top:hover { color: var(--color-primary); }
.sb-qr-floating { position: fixed; right: 112px; bottom: 76px; z-index: 910; }
.sb-qr-floating__btn, .sb-qr-cta { min-height: 38px; padding: 0 14px; border-radius: var(--radius-pill); background: var(--color-primary); color: #fff; font-size: 13px; font-weight: 800; box-shadow: var(--shadow-lg); }
.sb-qr-modal { position: fixed; inset: 0; z-index: 2000; background: rgba(0,0,0,.45); display: none; place-items: center; padding: 20px; }
.sb-qr-modal.open { display: grid; }
.sb-qr-modal__panel, .sb-qr-modal__box { max-width: 360px; width: 100%; background: #fff; border-radius: var(--radius-card); padding: 22px; text-align: center; position: relative; box-shadow: var(--shadow-lg); }
.sb-qr-modal__backdrop { position: absolute; inset: 0; }
.sb-qr-modal__close { position: absolute; right: 12px; top: 10px; color: var(--color-text-muted); font-size: 22px; }
.sb-qr-modal__image { width: 220px; height: 220px; margin: 14px auto 0; object-fit: contain; }

@media (max-width: 1240px) {
    .container, .section-container, .page-container, .page-content, .top-bar-inner, .header-container, .footer-container, .footer-service-inner, .breadcrumb { max-width: 1180px; padding-left: 14px; padding-right: 14px; }
    .header-container { grid-template-columns: 180px minmax(0,1fr) 320px; }
    .header-search { width: 320px; }
    .mall-side-toolbar { right: 14px; }
}
@media (max-width: 1100px) {
    .product-grid { grid-template-columns: repeat(4, minmax(0,1fr)); }
    .header-container { grid-template-columns: 180px minmax(0,1fr); }
    .header-actions { grid-column: 1 / -1; justify-content: stretch; padding-bottom: 10px; }
    .header-container { height: auto; min-height: var(--header-main-height); padding-top: 12px; padding-bottom: 12px; }
    .header-search { width: 100%; }
    .mall-side-toolbar { display: none; }
}
@media (max-width: 980px) {
    .main-nav, .header-actions { display: none; }
    .header-container { grid-template-columns: 1fr auto; height: var(--header-main-height); padding-top: 0; padding-bottom: 0; }
    .menu-toggle { display: flex; }
    .product-grid { grid-template-columns: repeat(3, minmax(0,1fr)); }
    .grid-4 { grid-template-columns: repeat(2, minmax(0,1fr)); }
    .grid-3, .grid-2 { grid-template-columns: 1fr; }
}
@media (max-width: 640px) {
    :root { --header-main-height: 64px; --header-topbar-height: 0px; }
    .top-bar { display: none; }
    .page-banner { margin-top: 0; padding: 36px 16px 32px; }
    .page-banner h1 { font-size: 24px; }
    .container, .section-container, .page-container, .page-content, .breadcrumb { padding-left: 12px; padding-right: 12px; }
    .product-grid { grid-template-columns: repeat(2, minmax(0,1fr)); gap: 10px; }
    .grid-4 { grid-template-columns: 1fr; }
    .footer-service-inner, .footer-container { grid-template-columns: 1fr; gap: 18px; padding-left: 14px; padding-right: 14px; }
    .footer-service-item { justify-content: flex-start; font-size: 14px; }
    .product-body { padding: 9px; }
    .product-body p { display: none; }
    .logo-mark { height: 36px; font-size: 18px; }
    .logo-text { font-size: 17px; }
}