/* ==========================================================================
   顺泰旋白家居 · 厨房餐厨用品自营商城  前台样式
   设计语言：米白底 + 赭红主色 + 细描边直角卡片（与移动端 App 风格模板区分）
   前缀 kb-*；同时兼容框架原有类名，保证购物车/结算/后台页面正常显示
   ========================================================================== */
:root {
    --kb-brand: #9C3D2E;
    --kb-brand-d: #7E2F22;
    --kb-accent: #C8862B;
    --kb-ink: #2A241F;
    --kb-sub: #7A7169;
    --kb-line: #E6DFD6;
    --kb-bg: #F7F4EF;
    --kb-white: #fff;
    --kb-ok: #3E7A52;
    --kb-wrap: 1180px;
    --kb-r: 4px;
}

* { box-sizing: border-box; -webkit-tap-highlight-color: transparent; }
html { -webkit-text-size-adjust: 100%; }
body {
    margin: 0; background: var(--kb-bg); color: var(--kb-ink);
    font: 14px/1.6 "PingFang SC", "Microsoft YaHei", "Hiragino Sans GB", "Helvetica Neue", Arial, sans-serif;
}
a { color: inherit; text-decoration: none; }
img { max-width: 100%; display: block; }
input, button, textarea, select { font: inherit; color: inherit; }
h1, h2, h3, h4 { margin: 0; font-weight: 600; }
.kb-wrap { width: 100%; max-width: var(--kb-wrap); margin: 0 auto; padding: 0 18px; }

/* ---------------- 顶部信息条 ---------------- */
.kb-strip { background: var(--kb-ink); color: #CBBFB2; font-size: 12px; }
.kb-strip .kb-wrap { height: 32px; display: flex; align-items: center; justify-content: space-between; gap: 12px; }
.kb-strip em { font-style: normal; color: #E4D8C8; }
.kb-strip a { color: #CBBFB2; }
.kb-strip a:hover { color: #fff; }

/* ---------------- 站头 ---------------- */
.kb-header { background: var(--kb-white); border-bottom: 1px solid var(--kb-line); }
.kb-header .kb-wrap { display: flex; align-items: center; gap: 22px; height: 76px; }
.kb-logo { display: flex; align-items: center; gap: 10px; flex: none; }
.kb-logo b { display: block; font-size: 19px; letter-spacing: .5px; }
.kb-logo span { display: block; font-size: 11px; color: var(--kb-sub); letter-spacing: 1px; }
.kb-logo i {
    width: 38px; height: 38px; border-radius: var(--kb-r); background: var(--kb-brand);
    color: #fff; font-style: normal; font-size: 17px; display: flex; align-items: center; justify-content: center;
}
.kb-search { flex: 1; max-width: 460px; display: flex; border: 1px solid var(--kb-line); border-radius: var(--kb-r); overflow: hidden; }
.kb-search input { flex: 1; border: 0; outline: 0; padding: 0 12px; height: 38px; background: #FBF9F6; }
.kb-search button {
    border: 0; padding: 0 20px; background: var(--kb-brand); color: #fff; cursor: pointer; letter-spacing: 2px;
}
.kb-search button:hover { background: var(--kb-brand-d); }
.kb-hlinks { margin-left: auto; display: flex; align-items: center; gap: 18px; font-size: 13px; color: var(--kb-sub); flex: none; }
.kb-hlinks a:hover { color: var(--kb-brand); }
.kb-hlinks .kb-cart { display: inline-flex; align-items: center; gap: 6px; color: var(--kb-ink); }
.kb-hlinks .kb-cart b { color: var(--kb-brand); }

/* ---------------- 分类导航 ---------------- */
.kb-nav { background: var(--kb-white); border-bottom: 1px solid var(--kb-line); }
.kb-nav .kb-wrap { display: flex; align-items: center; gap: 4px; height: 46px; overflow-x: auto; -webkit-mask-image: linear-gradient(to right,#000 92%,transparent); mask-image: linear-gradient(to right,#000 92%,transparent); }
.kb-nav a {
    flex: none; padding: 0 14px; line-height: 44px; font-size: 14px; color: #4A423B;
    border-bottom: 2px solid transparent;
}
.kb-nav a:hover { color: var(--kb-brand); }
.kb-nav a.on { color: var(--kb-brand); border-bottom-color: var(--kb-brand); font-weight: 600; }

/* ---------------- 主体布局 ---------------- */
.kb-layout { display: grid; grid-template-columns: 208px 1fr; gap: 26px; padding: 22px 0 40px; align-items: start; }
.kb-aside { background: var(--kb-white); border: 1px solid var(--kb-line); border-radius: var(--kb-r); overflow: hidden; }
.kb-aside h4 { padding: 13px 16px; font-size: 14px; border-bottom: 1px solid var(--kb-line); background: #FBF9F6; }
.kb-catlist { padding: 6px 0; }
.kb-catlist a { display: flex; justify-content: space-between; padding: 9px 16px; font-size: 13px; color: #4A423B; }
.kb-catlist a:hover, .kb-catlist a.on { background: #FBF4F1; color: var(--kb-brand); }
.kb-catlist a span { color: #B9B0A6; font-size: 12px; }
.kb-serv { margin-top: 16px; background: var(--kb-white); border: 1px solid var(--kb-line); border-radius: var(--kb-r); padding: 16px; font-size: 13px; }
.kb-serv h4 { font-size: 14px; margin-bottom: 8px; }
.kb-serv p { margin: 4px 0; color: var(--kb-sub); }
.kb-serv b { color: var(--kb-brand); font-size: 15px; }

/* ---------------- 主视觉 ---------------- */
.kb-hero { position: relative; border: 1px solid var(--kb-line); border-radius: var(--kb-r); overflow: hidden; background: #2A241F; }
.kb-hero img { width: 100%; height: 300px; object-fit: cover; opacity: .72; }
.kb-hero .txt {
    position: absolute; left: 0; right: 0; bottom: 0; padding: 22px 26px;
    background: linear-gradient(transparent, rgba(20,16,12,.86)); color: #fff;
}
.kb-hero .txt b { display: block; font-size: 23px; letter-spacing: .5px; }
.kb-hero .txt p { margin: 6px 0 0; font-size: 13px; color: #E7DCCE; }

/* ---------------- 区块标题 ---------------- */
.kb-sec { display: flex; align-items: baseline; gap: 10px; margin: 26px 0 14px; }
.kb-sec h3 { font-size: 17px; }
.kb-sec h3::after { content: ""; display: inline-block; width: 22px; height: 2px; background: var(--kb-brand); margin-left: 8px; vertical-align: 5px; }
.kb-sec span, .kb-sec a.more { font-size: 12px; color: var(--kb-sub); margin-left: auto; }
.kb-sec a.more:hover { color: var(--kb-brand); }

/* ---------------- 商品网格 ---------------- */
.kb-grid { display: grid; grid-template-columns: repeat(auto-fill, minmax(206px, 1fr)); gap: 16px; }
.kb-card { display: block; background: var(--kb-white); border: 1px solid var(--kb-line); border-radius: var(--kb-r); overflow: hidden; transition: border-color .15s, box-shadow .15s; }
.kb-card:hover { border-color: var(--kb-brand); box-shadow: 0 6px 18px rgba(156,61,46,.10); }
.kb-pic { position: relative; aspect-ratio: 1/1; background: #F2EEE8; overflow: hidden; }
.kb-pic img { width: 100%; height: 100%; object-fit: cover; transition: transform .25s; }
.kb-card:hover .kb-pic img { transform: scale(1.04); }
.kb-pic i {
    position: absolute; left: 0; top: 10px; font-style: normal; font-size: 11px; color: #fff;
    background: rgba(156,61,46,.9); padding: 2px 7px; border-radius: 0 2px 2px 0;
}
.kb-info { padding: 11px 12px 13px; }
.kb-tt { font-size: 13px; line-height: 1.5; height: 39px; overflow: hidden; display: -webkit-box; -webkit-line-clamp: 2; -webkit-box-orient: vertical; }
.kb-sub { margin-top: 5px; font-size: 11px; color: #A79E94; white-space: nowrap; overflow: hidden; text-overflow: ellipsis; }
.kb-pr { margin-top: 8px; display: flex; align-items: baseline; gap: 7px; }
.kb-pr b { color: var(--kb-brand); font-size: 17px; }
.kb-pr b i { font-style: normal; font-size: 12px; margin-right: 1px; }
.kb-pr del { color: #B5ADA3; font-size: 12px; }
.kb-pr em { margin-left: auto; font-style: normal; font-size: 11px; color: var(--kb-ok); }

/* ---------------- 面包屑 / 详情 ---------------- */
.kb-bread { font-size: 12px; color: var(--kb-sub); padding: 16px 0 4px; }
.kb-bread a:hover { color: var(--kb-brand); }
.kb-detail { display: grid; grid-template-columns: 1.02fr .98fr; gap: 30px; padding: 14px 0 34px; align-items: start; }
.kb-gallery { background: var(--kb-white); border: 1px solid var(--kb-line); border-radius: var(--kb-r); padding: 14px; }
.kb-main-pic { aspect-ratio: 1/1; background: #F2EEE8; overflow: hidden; border-radius: 2px; }
.kb-main-pic img { width: 100%; height: 100%; object-fit: cover; }
.kb-thumbs { display: flex; gap: 10px; margin-top: 12px; }
.kb-thumbs span { width: 68px; height: 68px; border: 1px solid var(--kb-line); border-radius: 2px; overflow: hidden; cursor: pointer; }
.kb-thumbs span.on { border-color: var(--kb-brand); }
.kb-thumbs img { width: 100%; height: 100%; object-fit: cover; }
.kb-pbox { background: var(--kb-white); border: 1px solid var(--kb-line); border-radius: var(--kb-r); padding: 20px; }
.kb-pbox h1 { font-size: 19px; line-height: 1.5; }
.kb-pline { margin: 14px 0 4px; padding: 14px 16px; background: #FBF4F1; border-radius: var(--kb-r); }
.kb-pline b { color: var(--kb-brand); font-size: 27px; }
.kb-pline b i { font-style: normal; font-size: 15px; }
.kb-pline del { color: #B5ADA3; font-size: 13px; margin-left: 10px; }
.kb-pline p { margin: 4px 0 0; font-size: 12px; color: var(--kb-sub); }
.kb-promise { display: grid; grid-template-columns: repeat(3, 1fr); gap: 8px; margin: 14px 0 4px; font-size: 12px; color: #5B534B; }
.kb-promise div { background: #FBF9F6; border: 1px dashed var(--kb-line); border-radius: var(--kb-r); padding: 8px 6px; text-align: center; }
.kb-row { display: flex; align-items: center; gap: 10px; margin-top: 18px; }
.kb-row > label { flex: none; width: 46px; font-size: 13px; color: var(--kb-sub); }
.kb-specs { display: flex; flex-wrap: wrap; gap: 8px; }
.kb-specs span { padding: 7px 14px; border: 1px solid var(--kb-line); border-radius: 2px; font-size: 13px; cursor: pointer; background: var(--kb-white); }
.kb-specs span.on { border-color: var(--kb-brand); color: var(--kb-brand); background: #FBF4F1; }
.kb-num { display: inline-flex; align-items: center; border: 1px solid var(--kb-line); border-radius: 2px; overflow: hidden; }
.kb-num button { width: 34px; height: 34px; border: 0; background: #FBF9F6; cursor: pointer; font-size: 16px; }
.kb-num b { width: 48px; text-align: center; }
.kb-buy { display: flex; gap: 12px; margin-top: 20px; }
.kb-btn { flex: 1; height: 46px; border: 1px solid var(--kb-brand); background: var(--kb-brand); color: #fff; border-radius: var(--kb-r); cursor: pointer; font-size: 15px; letter-spacing: 1px; }
.kb-btn:hover { background: var(--kb-brand-d); }
.kb-btn.ghost { background: #FBF4F1; color: var(--kb-brand); }
.kb-btn.ghost:hover { background: #F5E7E2; }
.kb-panel { background: var(--kb-white); border: 1px solid var(--kb-line); border-radius: var(--kb-r); padding: 22px 24px; margin-bottom: 16px; }
.kb-panel h3 { font-size: 15px; padding-bottom: 12px; margin-bottom: 14px; border-bottom: 1px solid var(--kb-line); }
.kb-panel p { margin: 9px 0; color: #453D36; }
table.pd-params { width: 100%; border-collapse: collapse; margin: 14px 0; font-size: 13px; }
table.pd-params td { border: 1px solid var(--kb-line); padding: 9px 12px; }
table.pd-params td:first-child { width: 110px; background: #FBF9F6; color: var(--kb-sub); }

/* ---------------- 页脚 ---------------- */
.kb-foot { background: var(--kb-white); border-top: 3px solid var(--kb-brand); margin-top: 30px; }
.kb-foot-grid { display: grid; grid-template-columns: repeat(4, 1fr); gap: 26px; padding: 30px 0 24px; font-size: 13px; }
.kb-foot-grid h4 { font-size: 14px; margin-bottom: 12px; }
.kb-foot-grid a { display: block; color: var(--kb-sub); padding: 3px 0; }
.kb-foot-grid a:hover { color: var(--kb-brand); }
.kb-foot-grid div.info { color: var(--kb-sub); padding: 3px 0; }
.kb-foot-bar { border-top: 1px solid var(--kb-line); padding: 14px 0 22px; font-size: 12px; color: var(--kb-sub); line-height: 1.9; }
.kb-foot-bar a { color: var(--kb-sub); }
.kb-foot-bar b { color: #4A423B; font-weight: 600; }

/* ---------------- 兼容框架原有类名（购物车/结算/会员/订单等） ---------------- */
.search-bar { padding: 12px 16px; background: var(--kb-white); }
.search-bar input { width: 100%; height: 38px; border: 1px solid var(--kb-line); border-radius: var(--kb-r); padding: 0 12px; background: #FBF9F6; }
.nav-tabs { display: flex; gap: 4px; overflow-x: auto; background: var(--kb-white); border-bottom: 1px solid var(--kb-line); padding: 0 8px; }
.nav-tabs a { flex: none; padding: 0 12px; line-height: 42px; font-size: 13px; border-bottom: 2px solid transparent; color: #4A423B; }
.nav-tabs a.active { color: var(--kb-brand); border-bottom-color: var(--kb-brand); font-weight: 600; }
.banner { display: block; margin: 14px 16px; border-radius: var(--kb-r); overflow: hidden; }
.banner img { width: 100%; max-height: 240px; object-fit: cover; }
.card { background: var(--kb-white); border: 1px solid var(--kb-line); border-radius: var(--kb-r); padding: 16px; margin: 12px; }
.sec-head { display: flex; align-items: baseline; gap: 10px; padding: 16px 12px 8px; }
.sec-head h3, .sec-head h4 { font-size: 16px; }
.sec-head a, .sec-head span { margin-left: auto; font-size: 12px; color: var(--kb-sub); }
.cell { display: flex; align-items: center; background: var(--kb-white); border-bottom: 1px solid var(--kb-line); padding: 14px 16px; }
.cell:first-child { border-top: 1px solid var(--kb-line); }
.arrow { color: #C6BEB4; margin-left: 8px; }
.badge { display: inline-block; min-width: 16px; height: 16px; line-height: 16px; text-align: center; background: var(--kb-brand); color: #fff; font-size: 10px; border-radius: 8px; padding: 0 4px; margin-left: 4px; }
.goods-grid { display: grid; grid-template-columns: repeat(auto-fill, minmax(206px, 1fr)); gap: 16px; padding: 12px; }
.goods-card { display: block; background: var(--kb-white); border: 1px solid var(--kb-line); border-radius: var(--kb-r); overflow: hidden; }
.goods-card .thumb { width: 100%; aspect-ratio: 1/1; object-fit: cover; }
.goods-card .info { padding: 10px 12px 14px; }
.goods-card .name { font-size: 13px; line-height: 1.5; height: 39px; overflow: hidden; display: -webkit-box; -webkit-line-clamp: 2; -webkit-box-orient: vertical; }
.goods-card .price { color: var(--kb-brand); font-weight: 600; font-size: 16px; margin-top: 8px; }
.btn-buy { border: 1px solid var(--kb-brand); background: var(--kb-brand); color: #fff; height: 34px; padding: 0 16px; border-radius: var(--kb-r); cursor: pointer; font-size: 13px; display: inline-flex; align-items: center; justify-content: center; }
.btn-buy:hover { background: var(--kb-brand-d); }
.btn-cart, .btn-buy2 { border: 0; border-radius: var(--kb-r); height: 44px; padding: 0 22px; cursor: pointer; font-size: 15px; color: #fff; background: var(--kb-brand); }
.btn-cart { background: #8A5A3B; }
.btn-sm { display: inline-block; padding: 5px 11px; font-size: 12px; border: 1px solid var(--kb-line); border-radius: 2px; background: #FBF9F6; }
.btn-del { color: #A32B22; }
.btn-primary { width: 100%; height: 46px; border: 0; border-radius: var(--kb-r); background: var(--kb-brand); color: #fff; font-size: 15px; cursor: pointer; letter-spacing: 2px; }
.btn-primary:hover { background: var(--kb-brand-d); }
.form-item { display: flex; align-items: center; gap: 8px; background: var(--kb-white); border: 1px solid var(--kb-line); border-radius: var(--kb-r); margin: 10px 16px; padding: 0 12px; height: 46px; }
.form-item input { flex: 1; border: 0; outline: 0; height: 100%; background: transparent; }
.bottom-bar { position: sticky; bottom: 0; z-index: 20; display: flex; align-items: center; gap: 12px; padding: 10px 14px; background: var(--kb-white); border-top: 1px solid var(--kb-line); }
.bottom-bar .op { text-align: center; font-size: 11px; color: var(--kb-sub); }
.bottom-bar .op .ico { display: block; font-size: 17px; }
.me-head { background: linear-gradient(135deg, #9C3D2E, #7E2F22); color: #fff; padding: 20px 18px 0; }
.me-head .me-stats { display: grid; grid-template-columns: repeat(4, 1fr); gap: 8px; text-align: center; margin-top: 16px; padding-bottom: 14px; }
.me-head .me-stats b { display: block; font-size: 17px; }
.me-head .me-stats span { font-size: 11px; opacity: .8; }
.order-grid { display: grid; grid-template-columns: repeat(5, 1fr); text-align: center; background: var(--kb-white); border: 1px solid var(--kb-line); border-radius: var(--kb-r); margin: 0 12px; padding: 14px 0; font-size: 12px; }
.order-grid a { display: block; color: #4A423B; }
.order-grid .ico { display: block; font-size: 19px; margin-bottom: 4px; }
.spec-row { display: flex; align-items: center; justify-content: space-between; gap: 10px; }
.tag { display: inline-block; padding: 4px 10px; margin-right: 6px; font-size: 12px; background: #FBF4F1; color: var(--kb-brand); border: 1px solid #EEDCD6; border-radius: 2px; }
.table { width: 100%; border-collapse: collapse; font-size: 13px; }
.table td, .table th { border-bottom: 1px solid var(--kb-line); padding: 9px 8px; text-align: left; }
.alert { padding: 10px 14px; border-radius: var(--kb-r); margin: 12px 16px; font-size: 13px; }
.alert-err { background: #FCEFED; color: #A32B22; border: 1px solid #F3D6D1; }
.page-title, body > h3 { padding: 18px 16px 6px; font-size: 17px; }

/* ---------------- 内容页 / 登录注册 ---------------- */
.kb-doc { display: grid; grid-template-columns: 208px 1fr; gap: 26px; padding: 22px 0 40px; align-items: start; }
.kb-doc-main h3 { font-size: 18px; margin-bottom: 6px; }
.kb-doc-main h4 { font-size: 15px; margin: 20px 0 8px; }
.kb-doc-main p { margin: 9px 0; color: #453D36; }
.kb-doc-main ul { margin: 8px 0 8px 20px; padding: 0; color: #453D36; }
.kb-doc-main li { margin: 5px 0; }
.kb-auth { max-width: 420px; margin: 60px auto 80px; background: var(--kb-white); border: 1px solid var(--kb-line); border-radius: var(--kb-r); padding: 34px 26px 26px; }
.kb-auth h2 { text-align: center; font-size: 20px; }
.kb-auth .sub { text-align: center; font-size: 12px; color: var(--kb-sub); margin: 6px 0 22px; }
.kb-auth .form-item { margin: 10px 0; }
.kb-auth .btn-primary { margin-top: 12px; }
.kb-auth .foot { text-align: center; font-size: 13px; color: var(--kb-sub); margin-top: 16px; }
.kb-auth .foot a { color: var(--kb-brand); }
.kb-auth .agree { text-align: center; font-size: 12px; color: #A79E94; margin-top: 14px; line-height: 1.6; }
.kb-auth .agree a { color: var(--kb-brand); }
.kb-crumb-link { font-size: 12px; color: var(--kb-sub); padding: 18px 0 0; }
.kb-crumb-link a:hover { color: var(--kb-brand); }

/* ---------------- 响应式 ---------------- */
@media (max-width: 900px) {
    .kb-layout, .kb-doc { grid-template-columns: 1fr; gap: 16px; padding-top: 14px; }
    .kb-layout > main, .kb-doc > main { order: 1; }
    .kb-layout > .kb-aside, .kb-doc > .kb-aside { order: 2; }
    .kb-detail { grid-template-columns: 1fr; gap: 16px; }
    .kb-foot-grid { grid-template-columns: repeat(2, 1fr); gap: 18px; }
    .kb-hero img { height: 210px; }
    .kb-hero .txt { padding: 16px 18px; }
    .kb-hero .txt b { font-size: 18px; }
}
@media (max-width: 640px) {
    .kb-strip { display: none; }
    .kb-header .kb-wrap { height: auto; flex-wrap: wrap; gap: 10px; padding: 12px 14px; }
    .kb-header .kb-search { flex: 1 1 100%; max-width: none; order: 3; }
    .kb-hlinks { font-size: 12px; gap: 12px; }
    .kb-wrap { padding: 0 12px; }
    .kb-grid, .goods-grid { grid-template-columns: repeat(2, 1fr); gap: 10px; padding: 10px; }
    .kb-grid { padding: 0; }
    .kb-info { padding: 9px 9px 11px; }
    .kb-tt { font-size: 12px; height: 36px; }
    .kb-pr b { font-size: 15px; }
    .kb-pr del { display: none; }
    .kb-sub { display: none; }
    .kb-pbox { padding: 14px; }
    .kb-pbox h1 { font-size: 16px; }
    .kb-pline b { font-size: 23px; }
    .kb-panel { padding: 16px 14px; margin-bottom: 12px; }
    .kb-promise { font-size: 11px; }
    .kb-btn { height: 42px; font-size: 14px; }
    .card { margin: 10px; padding: 13px; }
    .kb-foot-grid { grid-template-columns: 1fr; gap: 14px; padding: 20px 0 16px; }
    .kb-buy { position: sticky; bottom: 0; background: var(--kb-bg); padding: 10px 0; }
    .kb-main-pic { height: 280px; }
    .kb-thumbs span { width: 56px; height: 56px; }
}
.kb-note{background:#FFFDF9;border:1px solid #E7DCCF;border-left:4px solid #A8443B;padding:16px 20px;margin:0 0 18px;font-size:14px;color:#5C5148;line-height:1.9}
.kb-note .hd{display:flex;align-items:baseline;gap:10px;margin-bottom:8px}
.kb-note .hd b{font-size:16px;color:#8C3A2E}
.kb-note .hd span{font-size:11px;letter-spacing:2px;color:#B3A79A}
.kb-note p{margin:0 0 6px}
.kb-note a{color:#8C3A2E;font-weight:bold}