/* =========================================================
   智简魔方 · 购物流程独立主题 (cart/default)
   版式: 顶部导航 + 返回条 + 登录提示条 + 左侧商品分类栏 + 商品卡片网格
   ========================================================= */

:root{
  --brand:#2ea0ff;
  --brand2:#1b8ae8;
  --brand-grad:linear-gradient(135deg,#2ea0ff,#1b8ae8);
  --ink:#0f172a;
  --ink2:#334155;
  --ink3:#64748b;
  --muted:#94a3b8;
  --line:#e5eaf1;
  --line2:#eef2f7;
  --bg:#f5f7fa;
  --panel:#ffffff;
  --green:#16a34a;
  --green2:#15803d;
  --orange:#f97316;
  --red:#dc2626;
  --blue-bg:#e9f3ff;
  --radius:12px;
  --shadow-sm:0 1px 2px rgba(15,23,42,.04),0 1px 6px rgba(15,23,42,.03);
  --shadow:0 6px 20px rgba(15,23,42,.08);
  --nav-h:67px;
  --crumb-h:49px;
}

*{box-sizing:border-box;margin:0;padding:0}
html{-webkit-text-size-adjust:100%}
body{
  font-family:"PingFang SC","Microsoft YaHei","Helvetica Neue",Arial,sans-serif;
  color:var(--ink);background:var(--bg);font-size:14px;line-height:1.6;
  -webkit-font-smoothing:antialiased;
}
a{color:inherit;text-decoration:none}
img{max-width:100%;display:block}
ul,ol{list-style:none}
button{font-family:inherit;cursor:pointer}
input{font-family:inherit;outline:none}

.container{width:100%;max-width:1500px;margin:0 auto;padding:0 24px}
@media(max-width:560px){.container{padding:0 14px}}

/* ---------- 顶部导航(与首页 web 主题一致) ---------- */
.nav{background:#fff;border-bottom:1px solid var(--line);position:sticky;top:0;z-index:100;backdrop-filter:blur(12px)}
.nav-inner{display:flex;align-items:center;height:66px}
.nav-inner .brand{margin-right:auto}
.brand{display:flex;align-items:center;gap:10px;font-size:19px;font-weight:700;flex:none}
.brand .logo{width:34px;height:34px;border-radius:9px;background:var(--brand-grad);display:flex;align-items:center;justify-content:center;color:#fff;flex:none;overflow:hidden}
.brand .logo img{width:100%;height:100%;object-fit:cover}
.brand .logo svg{width:20px;height:20px}
.brand b{letter-spacing:.2px;color:var(--ink)}
.brand small{display:block;font-size:11px;font-weight:500;color:var(--ink3);letter-spacing:2px}
.nav-menu{display:flex;gap:4px;margin-left:0;align-items:center;white-space:nowrap}
.nav-menu a,.nav-menu>a{padding:8px 13px;border-radius:8px;color:var(--ink2);font-size:15px;transition:.2s;text-decoration:none}
.nav-menu a:hover,.nav-menu>a:hover,.nav-menu a.active{color:var(--brand);background:rgba(46,160,255,.08)}
.nav-drop{position:relative;display:flex;align-items:center}
.nav-drop>a{display:inline-flex;align-items:center;gap:3px;text-decoration:none;padding:8px 13px;border-radius:8px;color:var(--ink2);font-size:15px;transition:.2s}
.nav-drop>a:hover{color:var(--brand);background:rgba(46,160,255,.08)}
.nav-drop .dd-caret{flex:none;opacity:.55}
.nav-drop-menu{position:absolute;top:100%;left:0;min-width:170px;background:#fff;border:1px solid var(--line);border-radius:12px;box-shadow:0 14px 40px rgba(15,23,42,.12);padding:6px;display:none;z-index:120}
.nav-drop-menu a{display:block;padding:9px 12px;border-radius:8px;color:var(--ink2);font-size:14px;white-space:nowrap;text-decoration:none}
.nav-drop-menu a:hover{color:var(--brand);background:rgba(46,160,255,.08)}
/* hover 桥接: 一级->二级移动不断开 */
.nav-drop::after{content:"";position:absolute;left:0;right:0;top:100%;height:6px}
.nav-drop:hover .nav-drop-menu{display:block}
/* 一级含二级: 不可跳转, 仅点击展开 */
.nav-drop-toggle{cursor:pointer!important}
.nav-drop.open .nav-drop-menu{display:block}
.nav-badge{display:inline-block;background:var(--orange);color:#fff;font-size:10px;line-height:1;padding:3px 6px;border-radius:6px;margin-left:5px;vertical-align:2px;font-weight:600}

.nav-right{margin-left:auto;display:flex;align-items:center;gap:10px}
.btn{padding:9px 20px;border-radius:10px;font-size:14px;font-weight:600;border:none;display:inline-flex;align-items:center;gap:7px;transition:.2s;cursor:pointer;white-space:nowrap}
.btn-primary{background:var(--brand-grad);color:#fff}
.btn-primary:hover{opacity:.9;box-shadow:0 8px 20px rgba(46,160,255,.3)}
.btn-ghost{background:#fff;color:var(--ink2);border:1px solid var(--line)}
.btn-ghost:hover{border-color:var(--brand);color:var(--brand)}
.link-user{display:flex;align-items:center;gap:8px;color:var(--ink2)}
.link-user:hover{color:var(--brand)}
.avatar{width:32px;height:32px;border-radius:50%;background:var(--brand-grad);color:#fff;display:flex;align-items:center;justify-content:center;font-size:13px;font-weight:600;overflow:hidden;flex:none}
.avatar img{width:100%;height:100%;object-fit:cover}

/* ---------- 返回条 ---------- */
.crumb-bar{background:#fff;border-bottom:1px solid var(--line2);padding:12px 0}
.crumb-bar .container{display:flex;align-items:center;gap:18px}
.crumb-back{display:flex;align-items:center;gap:6px;color:var(--ink2);font-size:14px;font-weight:500}
.crumb-back:hover{color:var(--brand)}
.crumb-title{font-size:15px;font-weight:600;color:var(--ink);border-left:1px solid var(--line);padding-left:18px}
/* store 页: 返回条固定在顶部导航下方(不随页面滚动) */
.crumb-sticky{position:sticky;top:var(--nav-h);z-index:60}
/* store 页: 返回条内层通栏左对齐(与顶部导航 LOGO 同一条左边线) */
.crumb-sticky>.container{max-width:none;padding:0 26px}

/* 返回条右侧: 登录状态提示(原独立登录条并入) */
.crumb-login{margin-left:auto;display:flex;align-items:center;gap:7px;font-size:13.5px;color:#1b8ae8;white-space:nowrap}
.crumb-login b{color:var(--brand);cursor:pointer;font-weight:600}
.crumb-login b:hover{text-decoration:underline}
.crumb-login.logged{color:#166534}
.crumb-login.logged b{color:var(--green);cursor:default}
.crumb-login .crumb-link{font-size:13px;font-weight:600;color:var(--green);text-decoration:none}
.crumb-login .crumb-link:hover{text-decoration:underline}
@media(max-width:640px){.crumb-login{display:none}}

/* ---------- 主体两栏 ---------- */
/* 左栏 250 → 300px: 分组名/角标较长时不再挤压换行, 与右侧商品区留白也更舒服 */
.store-wrap{display:grid;grid-template-columns:300px 1fr;gap:24px;padding:22px 0 44px;align-items:start}
/* 单列时必须用 minmax(0,1fr): 1fr = minmax(auto,1fr) 会被内容固有宽度撑破, 导致手机端整页横向溢出 */
@media(max-width:980px){.store-wrap{grid-template-columns:minmax(0,1fr)}}
.store-wrap>.grid-main{min-width:0}
/* store 页: 左侧菜单上下通栏(占满视口高度), 固定在返回条下方不随页面滚动, 菜单过多时内部滚动; 本页不显示页脚
   宽屏下整页通栏左对齐(不再居中), 左侧菜单永远贴左, 与顶部导航 LOGO 对齐 */
.store-noft{max-width:none;margin:0;padding:0 26px 22px 0}
.store-noft .grid-main{padding-top:22px}
@media(max-width:560px){
  .store-noft,.crumb-sticky>.container{padding-left:14px;padding-right:14px}
}
.store-noft .side-panel{position:sticky;top:calc(var(--nav-h) + var(--crumb-h));height:calc(100vh - var(--nav-h) - var(--crumb-h) - 22px);display:flex;flex-direction:column}
.store-noft .side-head{flex:none}
.store-noft .side-list{flex:1;min-height:0;overflow-y:auto;overscroll-behavior:contain}
.store-noft .side-list::-webkit-scrollbar{width:6px}
.store-noft .side-list::-webkit-scrollbar-thumb{background:#dde5ef;border-radius:6px}
.store-noft .side-list::-webkit-scrollbar-thumb:hover{background:#c9d5e4}
@media(max-width:980px){
  .store-noft .side-panel{position:static;height:auto}
  .store-noft .side-list{overflow:visible}
}

/* 左: 商品分类(一级带圆点标记 / 二级带竖向引导线, 层级一眼看清; 全栏目字重已放轻, 不再加粗) */
.side-panel{background:#fff;border:1px solid var(--line);border-radius:var(--radius);box-shadow:var(--shadow-sm);overflow:hidden}
/* 标题: 左侧一条品牌色小竖条做点缀, 字重 500(不加粗) */
.side-head{display:flex;align-items:center;gap:8px;padding:15px 16px 12px;font-size:15px;font-weight:500;color:var(--ink);letter-spacing:.2px}
.side-head>span::before{content:'';display:inline-block;width:3px;height:13px;border-radius:2px;background:var(--brand);margin-right:9px;vertical-align:-2px}
.side-list{padding:0 10px 12px}
.side-item{display:flex;align-items:center;gap:8px;padding:10px 12px;border-radius:8px;font-size:14px;color:var(--ink2);cursor:pointer;transition:background .15s,color .15s;margin-bottom:2px}
.side-item:hover{background:#f3f7ff;color:var(--brand)}
.side-item.active{background:var(--brand);color:#fff;font-weight:500}
.side-item .s-arrow{margin-left:auto;color:var(--muted);font-size:12px;flex:none;transition:transform .18s}
.side-item.active .s-arrow{color:#fff}
/* 分组短标签(购物大厅分类名后的小角标): 后台「商品分组」里每个一/二级分组可单独设置, 蓝色 */
.side-item .s-badge{background:var(--brand);color:#fff;font-size:10px;line-height:1;padding:2px 5px;border-radius:5px;margin-left:5px;flex:none}
/* 选中行底色本身就是蓝色, 角标反色成白底蓝字, 否则蓝底蓝字会看不见 */
.side-item.active .s-badge{background:#fff;color:var(--brand)}
/* 一级项右侧尾部(短语标签 + 箭头): 整体靠右对齐 —— 标签不再紧贴名称, 与箭头一起贴到行尾 */
.side-item .s-tail{margin-left:auto;display:flex;align-items:center;gap:8px;flex:none}
.side-item .s-tail .s-arrow{margin-left:0}
.side-item .s-tail .s-badge{margin-left:0}
/* 一级菜单: 圆点标记 + 常规字重(取消加粗); 悬停/展开/选中时圆点点亮 */
.side-top{padding-left:6px;padding-right:12px;color:var(--ink);font-weight:400}
.side-top:hover{color:var(--ink)}
.side-top .s-ico{width:6px;height:6px;border-radius:50%;background:#c9d8e9}
.side-top:hover .s-ico,.side-top.active .s-ico,.side-group.open>.side-top .s-ico{background:var(--brand)}
/* 二级菜单: 竖向引导线 + 横向小短线, 与一级的圆点对齐, 缩进层次更整齐 */
.side-sub{position:relative;padding:1px 0 6px 30px;display:none}
.side-sub::before{content:'';position:absolute;left:9px;top:5px;bottom:10px;width:1px;background:var(--line2)}
.side-sub .side-item{position:relative;padding:9px 12px;font-size:13.5px;color:var(--ink3);font-weight:400}
.side-sub .side-item::before{content:'';position:absolute;left:-21px;top:50%;width:12px;height:1px;background:var(--line2)}
.side-sub .side-item.active{background:#e9f3ff;color:var(--brand);font-weight:400}
/* 二级项的短语标签统一靠右对齐(margin-left:auto 吃掉左侧剩余空间; 与名称之间仍保留 gap 8px 的间距) */
.side-sub .side-item .s-badge{margin-left:auto}
.side-sub .side-item.active::before{background:var(--brand)}
.side-sub .side-item.active .s-arrow{color:var(--brand)}
/* 一级折叠: 点击展开其二级, 同层级互斥(仅箭头旋转示意展开) */
.side-group.open>.side-sub{display:block}
.side-group.open>.side-item .s-arrow{transform:rotate(90deg);color:var(--brand)}
.side-toggle{cursor:pointer}
/* 一级菜单之间用分割线分隔(留出间距, 分组之间不再挤在一起) */
.side-list>li+li{margin-top:6px;padding-top:6px;border-top:1px solid var(--line2)}

/* 右: 商品网格 */
/* 分类标题条: 独立卡片框, 一排显示(标题靠左 / 标语紧跟其后靠左 / 商品数靠右) */
.grid-main-head{display:flex;align-items:center;gap:16px;margin-bottom:16px;background:#fff;border:1px solid var(--line);box-shadow:var(--shadow-sm);padding:14px 18px}
.grid-main-head h2{flex:none;font-size:17px;font-weight:700;color:var(--ink);text-align:left}
.grid-main-head .ghead-tag{flex:1;min-width:0;text-align:left;font-size:13px;color:var(--ink3);white-space:nowrap;overflow:hidden;text-overflow:ellipsis}
.grid-main-head .count{flex:none;font-size:13px;color:var(--muted)}
/* 标语内容层(桌面端单行省略号; 手机端超出时由 store.php 的脚本切换为无缝滚动) */
.grid-main-head .ghead-tag .gt-line{display:block;min-width:0}
.grid-main-head .ghead-tag .gt-in{display:block;overflow:hidden;text-overflow:ellipsis;white-space:nowrap}
.grid-main-head .ghead-tag .gt-dup{display:none}
@media(max-width:560px){
  .grid-main-head{padding:12px 12px;gap:10px}
  .grid-main-head .ghead-tag{font-size:12.5px}
}
/* 商品卡片: 列数自适应(按卡片宽度自动排, 不强制); 当前 1200px 容器为 4 列, 更宽 5 列, 更窄 3/2 列 */
.product-grid{display:grid;grid-template-columns:repeat(auto-fill,minmax(258px,1fr));gap:18px;min-width:0}

/* ---------- 商品卡片 ---------- */
.product-card{position:relative;min-width:0;background:#fff;border:1px solid var(--line);border-radius:var(--radius);box-shadow:var(--shadow-sm);overflow:hidden;display:flex;flex-direction:column;transition:.22s;transform:translateZ(0)}
.product-card:hover{box-shadow:var(--shadow);transform:translateY(-3px);border-color:#c6d7fb}
.pc-body{padding:20px 18px 16px;flex:1}
.pc-title{font-size:15px;font-weight:700;color:var(--ink);line-height:1.4;padding-right:64px;min-height:42px}
.specs{margin-top:14px;display:flex;flex-direction:column;gap:9px}
.spec-row{display:flex;align-items:flex-start;gap:8px;font-size:13px;color:var(--ink2)}
.spec-row .s-ic{width:20px;height:20px;border-radius:5px;display:flex;align-items:center;justify-content:center;flex:none;color:#fff}
.spec-row .s-lb{color:var(--ink2);min-width:44px;flex:none;white-space:nowrap}
.spec-row .s-val{color:var(--ink2);flex:1;min-width:0}
.spec-row .s-val .dim{color:var(--ink3);font-size:12px}
.s-ic-b{background:#5b8def}.s-ic-g{background:#34c07c}.s-ic-p{background:#8b7cf6}.s-ic-o{background:#f6a23a}.s-ic-r{background:#ef6a6a}

.pc-foot{padding:0 18px 18px}
.pc-price{display:flex;align-items:baseline;gap:8px;flex-wrap:wrap;border-top:1px dashed var(--line2);padding-top:14px;margin-bottom:14px}
.pc-price .amt{font-size:24px;font-weight:800;color:var(--brand)}
.pc-price .cyc{font-size:13px;color:var(--ink2)}
.pc-price .day{font-size:12px;color:var(--muted)}
.pc-price .old{color:var(--muted);font-size:14px;font-weight:600;text-decoration:line-through;text-decoration-color:#ef6a6a}
/* 右上角库存 */
.corner-stock{position:absolute;top:12px;right:12px;z-index:2}
.stk{display:inline-flex;align-items:center;gap:6px;font-size:12px;padding:3px 11px;border-radius:12px;line-height:1}
.stk::before{content:'';width:6px;height:6px;border-radius:50%;background:currentColor;flex:none}
.stk-ok{color:#0e9f6e;background:#e7f7f1}
.stk-low{color:#d97706;background:#fdf3e4}
.stk-out{color:#dc2626;background:#feeaea}
/* 购买页摘要 */
.buy-stock{margin-bottom:6px}
.buy-stock .stk{vertical-align:middle}
.btn-add-cart[disabled]{opacity:.55;cursor:not-allowed;filter:grayscale(.35)}
.member-box{margin-bottom:14px;padding:11px 13px;border:1px dashed #f6c069;background:#fffaf2;border-radius:10px;font-size:13px;color:#92400e;line-height:1.8}
.member-box .old{color:#b45309;text-decoration:line-through}
.member-box b{color:#f97316}
.member-box b.mb{font-size:17px;color:#ea580c}
.pc-buy{display:block;width:100%;text-align:center;background:var(--brand);color:#fff;font-size:14px;font-weight:600;padding:11px 0;border-radius:9px;transition:.2s}
.pc-buy:hover{background:var(--brand2)}
.pc-buy.soldout{background:#eef1f5;color:#a5b0c2;cursor:not-allowed}

/* 空状态 */
.empty-tip{background:#fff;border:1px solid var(--line);border-radius:var(--radius);padding:70px 20px;text-align:center;color:var(--muted)}
.empty-tip p{margin-top:12px}

/* ---------- 页脚 ---------- */
.footer{background:#0f172a;color:#94a3b8;margin-top:20px}
.footer .container{padding-top:44px;padding-bottom:24px}
.footer-grid{display:grid;grid-template-columns:1.6fr 1fr 1fr 1fr;gap:30px}
@media(max-width:820px){.footer-grid{grid-template-columns:1fr 1fr}}
/* 手机端: 页脚链接区块不展示(只保留版权行) */
@media(max-width:680px){
  .footer .footer-grid{display:none}
  .footer .container{padding-top:20px;padding-bottom:16px}
  .footer .copyright{margin-top:0;padding-top:0;border-top:0}
}
.footer h4{color:#fff;font-size:15px;margin-bottom:14px}
.footer p{font-size:13px;line-height:1.8}
.footer a{display:block;font-size:13.5px;color:#94a3b8;padding:5px 0;transition:.2s}
.footer a:hover{color:#fff}
.copyright{border-top:1px solid rgba(255,255,255,.08);margin-top:28px;padding-top:16px;text-align:center;font-size:12.5px;color:#64748b}

/* ---------- 通用面板/空态 ---------- */
.panel{background:#fff;border:1px solid var(--line);border-radius:var(--radius);box-shadow:var(--shadow-sm)}

/* ---------- 购物流程单页(产品订购/购物车/结算): 全宽主体 ---------- */
.flow-wrap{width:100%;max-width:1500px;margin:0 auto;padding:24px 24px 52px}
@media(max-width:560px){.flow-wrap{padding:16px 14px 40px}}
.flow-grid{display:grid;grid-template-columns:minmax(0,1fr) 360px;gap:22px;align-items:start}
.flow-grid.wide{grid-template-columns:minmax(0,1.35fr) minmax(300px,.85fr)}
@media(max-width:992px){.flow-grid,.flow-grid.wide{grid-template-columns:minmax(0,1fr)}}
.flow-side{position:sticky;top:84px}
@media(max-width:992px){.flow-side{position:static}}
.flow-side .side-panel-title{font-size:16px;font-weight:800;color:var(--ink);margin-bottom:16px}

/* ---------- 响应式导航 ---------- */
@media(max-width:992px){
  .nav-menu{display:none}
  .brand b{font-size:16px}
}

/* =========================================================
   产品订购页 (product.php) 视觉美化
   ========================================================= */
.flow-grid.wide{grid-template-columns:minmax(0,1.5fr) 360px}
@media(max-width:1120px){.flow-grid.wide{grid-template-columns:minmax(0,1fr)}}
.flow-main{display:flex;flex-direction:column;gap:18px;min-width:0}
.flow-main .panel{overflow:hidden}

/* 产品头 hero */
.buy-hero{padding:26px 30px 24px;background:linear-gradient(180deg,#fff 0%,#f8faff 100%);position:relative}
.buy-hero::after{content:"";position:absolute;right:-80px;top:-80px;width:230px;height:230px;border-radius:50%;background:radial-gradient(circle,rgba(46,160,255,.08),transparent 65%);pointer-events:none}
.buy-hero-top{display:flex;align-items:center;gap:10px;margin-bottom:12px}
.buy-hero-badge{display:inline-flex;align-items:center;font-size:12px;font-weight:600;color:#fff;background:var(--brand-grad);padding:4px 12px;border-radius:999px;letter-spacing:.5px}
.buy-hero-group{font-size:12.5px;color:var(--ink3);background:#eef2f7;padding:4px 11px;border-radius:999px}
.buy-hero-title{font-size:24px;font-weight:800;color:var(--ink);letter-spacing:.2px;position:relative}
.buy-hero-desc{color:var(--ink2);font-size:13.5px;line-height:1.95;margin-top:14px;max-height:140px;overflow-y:auto;position:relative}
.buy-hero-desc.is-empty{color:var(--muted);font-style:italic}

/* 区块头 */
.buy-sec{padding:22px 26px 24px}
.buy-sec-head{display:flex;align-items:baseline;justify-content:space-between;margin-bottom:18px;border-bottom:1px solid var(--line2);padding-bottom:13px}
.buy-sec-head h3{display:flex;align-items:center;gap:9px;font-size:16px;font-weight:800;color:var(--ink)}
.buy-sec-head em{font-style:normal;font-size:12.5px;color:var(--muted)}
.sec-dot{width:9px;height:9px;border-radius:3px;background:var(--brand-grad);display:inline-block;transform:rotate(45deg)}

/* 计费周期卡片 */
.cycle-grid{display:grid;grid-template-columns:repeat(auto-fill,minmax(150px,1fr));gap:12px}
.cycle-item{position:relative;cursor:pointer;border:1.5px solid var(--line);border-radius:12px;padding:0;overflow:hidden;transition:.18s;background:#fff;user-select:none}
.cycle-item:hover{border-color:#b9cef8;transform:translateY(-1px);box-shadow:0 6px 16px rgba(46,160,255,.08)}
.cycle-item.is-on{border-color:var(--brand);box-shadow:0 8px 20px rgba(46,160,255,.28);background:var(--brand)}
.cycle-item input{position:absolute;opacity:0;pointer-events:none}
.cyc-inner{display:flex;flex-direction:column;gap:3px;padding:13px 16px 12px}
.cyc-label{font-size:13.5px;font-weight:600;color:var(--ink2)}
.cycle-item.is-on .cyc-label{color:#fff}
.cyc-price{font-size:15.5px;font-weight:800;color:var(--brand)}
.cycle-item.is-on .cyc-price{color:#fff}
.cyc-check{position:absolute;right:9px;top:8px;width:17px;height:17px;border-radius:50%;background:var(--brand-grad);color:#fff;font-size:11px;display:none;align-items:center;justify-content:center;font-weight:800}
.cycle-item.is-on .cyc-check{display:inline-flex;background:#fff;color:var(--brand)}
/* 折扣角标(批量改价设置的折扣, 由周期售价反推) */
.cyc-off{position:absolute;right:8px;top:7px;z-index:2;background:#fff3e0;color:#e8590c;border:1px solid #ffd8a8;border-radius:6px;font-size:10.5px;font-weight:800;line-height:15px;padding:0 5px;white-space:nowrap}
.cycle-item.has-off .cyc-label{padding-right:42px}
.cycle-item.is-on .cyc-off{background:#fff;color:#e8590c;border-color:#fff}

/* 配置区 */
.cfg-area{display:flex;flex-direction:column;gap:18px}
.cfg-group{display:flex;flex-direction:column}
.cfg-group-name{font-weight:700;font-size:13.5px;color:var(--ink);margin-bottom:10px;display:flex;align-items:center;gap:8px}
.cfg-group-name::before{content:"";width:4px;height:14px;border-radius:2px;background:var(--brand-grad)}
.cfg-group-desc{font-weight:400;font-size:12px;color:var(--muted)}
.cfg-row{display:grid;grid-template-columns:220px minmax(0,1fr);gap:18px;align-items:flex-start;padding:14px 4px;border-bottom:1px dashed var(--line2)}
.cfg-row:last-child{border-bottom:none;padding-bottom:2px}
.cfg-row-name{padding-top:8px}
.cfg-row-title{display:block;font-size:14px;font-weight:600;color:var(--ink2)}
.cfg-row-unit{display:block;font-size:12px;color:var(--muted);margin-top:2px}
.cfg-row-ctrl{min-width:0}
@media(max-width:760px){.cfg-row{grid-template-columns:1fr;gap:8px}.cfg-row-name{padding-top:0}}

/* 下拉选择 */
.cfg-select-wrap{position:relative;max-width:420px}
.cfg-select{width:100%;height:44px;border:1.5px solid var(--line);border-radius:10px;padding:0 38px 0 14px;font-size:14px;color:var(--ink);background:#fff url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' width='12' height='12' viewBox='0 0 24 24' fill='none'%3E%3Cpath d='m6 9 6 6 6-6' stroke='%2364748b' stroke-width='2.4' stroke-linecap='round' stroke-linejoin='round'/%3E%3C/svg%3E") no-repeat right 14px center;appearance:none;-webkit-appearance:none;transition:.15s;cursor:pointer}
.cfg-select:hover{border-color:#b9cef8}
.cfg-select:focus{border-color:var(--brand);outline:none;box-shadow:0 0 0 3px rgba(46,160,255,.1)}

/* 单选胶囊 */
.opt-pills{display:flex;flex-wrap:wrap;gap:9px}
.opt-pill{position:relative;cursor:pointer;border-radius:10px;transition:.15s}
.opt-pill input{position:absolute;opacity:0;pointer-events:none}
.opt-pill-txt{display:inline-flex;align-items:center;gap:7px;border:1.5px solid var(--line);padding:9px 15px;border-radius:10px;font-size:13.5px;color:var(--ink2);background:#fff;transition:.15s;font-weight:500}
.opt-pill:hover .opt-pill-txt{border-color:#b9cef8}
.opt-pill input:checked + .opt-pill-txt{border-color:var(--brand);background:var(--brand);color:#fff;font-weight:600;box-shadow:0 4px 12px rgba(46,160,255,.25)}
.opt-pill input:checked + .opt-pill-txt b{color:#fff}
.opt-pill-txt b{font-weight:700;color:#ea580c;font-size:12.5px}
.opt-dot{width:7px;height:7px;border-radius:50%;border:2px solid #cbd5e1;background:#fff;transition:.15s;flex:none}
.opt-pill input:checked + .opt-pill-txt .opt-dot{border-color:#fff;background:#fff}

/* 开关(是否) */
.opt-switch{display:inline-flex;align-items:center;gap:11px;cursor:pointer;user-select:none}
.opt-switch input{position:absolute;opacity:0;pointer-events:none}
.switch-track{width:42px;height:24px;border-radius:999px;background:#cbd5e1;position:relative;transition:.2s;flex:none}
.switch-track i{position:absolute;left:3px;top:3px;width:18px;height:18px;border-radius:50%;background:#fff;transition:.2s;box-shadow:0 1px 3px rgba(0,0,0,.18)}
.opt-switch input:checked + .switch-track{background:var(--brand)}
.opt-switch input:checked + .switch-track i{left:21px}
.switch-txt{font-size:13.5px;color:var(--ink2)}

/* 数量 */
.opt-qty{display:flex;align-items:center;gap:12px;flex-wrap:wrap}
.qty-range{display:inline-flex;align-items:center;gap:5px;font-size:12.5px;color:var(--ink3);background:#f1f5f9;border-radius:8px;padding:4px 11px}
.qty-min,.qty-max{font-weight:700;color:var(--ink2)}
.qty-sep{color:var(--muted)}
.qty-unit{color:var(--ink3)}
.cfg-num{width:110px;height:44px;border:1.5px solid var(--line);border-radius:10px;padding:0 12px;font-size:15px;font-weight:700;color:var(--ink);text-align:center;transition:.15s}
.cfg-num:hover{border-color:#b9cef8}
.cfg-num:focus{border-color:var(--brand);outline:none;box-shadow:0 0 0 3px rgba(46,160,255,.1)}
.cfg-num-price{font-size:12.5px;color:var(--muted)}

/* 右侧摘要 */
.buy-sum{padding:22px;box-shadow:var(--shadow);position:relative;overflow:hidden}
.buy-sum::before{content:"";position:absolute;left:0;right:0;top:0;height:4px;background:var(--brand-grad)}
.buy-sum-head{display:flex;align-items:center;gap:9px;font-size:16px;font-weight:800;color:var(--ink);margin-bottom:14px}
.sum-ico{width:30px;height:30px;border-radius:9px;background:var(--brand-grad);display:flex;align-items:center;justify-content:center;flex:none}
.sum-line{display:flex;flex-direction:column;gap:2px;padding-bottom:14px;border-bottom:1px dashed var(--line2);margin-bottom:12px}
.sl-name{font-size:15.5px;font-weight:700;color:var(--ink)}
.sl-sub{font-size:12.5px;color:var(--muted)}
.sum-price-box{background:linear-gradient(135deg,#f5f8ff,#fff);border:1px solid #dce6fb;border-radius:13px;padding:16px 18px;margin:6px 0 16px}
.sum-price-row{display:flex;align-items:baseline;justify-content:space-between;gap:8px}
.pr-label{font-size:13px;color:var(--ink2);font-weight:600}
.pr-price{display:flex;align-items:baseline;gap:2px;color:var(--brand)}
.pr-price i{font-style:normal;font-size:18px;font-weight:800}
.pr-price b{font-size:30px;font-weight:800;letter-spacing:-.5px;font-family:inherit}
.sum-price-note{margin-top:7px;font-size:12.5px;color:var(--ink3);display:flex;flex-wrap:wrap;gap:4px 10px}
.cfg-line{color:var(--green);font-weight:600}
.sum-qty{margin:4px 0 16px}
.sum-qty label{display:block;font-size:13px;font-weight:600;color:var(--ink2);margin-bottom:7px}
.qty-ctrl{display:inline-flex;align-items:center;border:1.5px solid var(--line);border-radius:10px;overflow:hidden}
.qty-btn{width:38px;height:40px;border:none;background:#f8fafc;font-size:17px;color:var(--ink2);cursor:pointer;transition:.15s;line-height:1}
.qty-btn:hover{background:#e9f3ff;color:var(--brand)}
.qty-ctrl input{width:64px;height:40px;border:none;text-align:center;font-size:15px;font-weight:700;color:var(--ink);outline:none}
.btn-add-cart{display:flex;align-items:center;justify-content:center;gap:9px;width:100%;height:52px;border:none;border-radius:12px;background:var(--brand-grad);color:#fff;font-size:16px;font-weight:700;cursor:pointer;transition:.2s;box-shadow:0 8px 22px rgba(46,160,255,.25)}
.btn-add-cart:hover{transform:translateY(-2px);box-shadow:0 12px 28px rgba(46,160,255,.32)}
.go-cart{display:block;text-align:center;margin-top:13px;font-size:13.5px;color:var(--brand);font-weight:600}
.go-cart:hover{text-decoration:underline}
.buy-tips{display:none;margin-top:13px;padding:11px 15px;border-radius:10px;font-size:13px;background:#ecfdf5;color:#065f46;border:1px solid #bbf7d0}
.buy-tips.is-err{background:#fef2f2;color:#b91c1c;border-color:#fecaca}
.sum-assure{display:flex;justify-content:space-between;margin-top:16px;padding-top:13px;border-top:1px dashed var(--line2)}
.sum-assure span{font-size:12px;color:var(--ink3)}

/* ---------- 配置页 V2: 摘要产品信息 / OS 双下拉 / 滑块 / 紧凑周期 ---------- */
/* 摘要: 产品信息块 */
.sum-prod{padding-bottom:14px;border-bottom:1px dashed var(--line2);margin-bottom:12px}
.sum-badge{display:inline-block;font-size:11px;font-weight:700;color:#fff;background:var(--brand-grad);padding:3px 10px;border-radius:999px;margin-bottom:9px;letter-spacing:.5px}
.sum-prod-name{font-size:19px;font-weight:800;color:var(--ink);line-height:1.35}
.sum-prod-group{font-size:12.5px;color:var(--ink3);margin-top:3px}
.sum-prod-desc{font-size:12.5px;color:var(--ink3);line-height:1.7;margin-top:9px;display:-webkit-box;-webkit-line-clamp:3;-webkit-box-orient:vertical;overflow:hidden}
.buy-sum .buy-stock{margin:0 0 10px}

/* 右侧摘要 V3: 订单汇总(参照魔方财务) */
.sum-head{display:flex;align-items:center;gap:9px;font-size:16.5px;font-weight:800;color:var(--ink);margin-bottom:9px}
.sum-row{display:flex;align-items:baseline;justify-content:space-between;gap:12px;padding:6px 0;font-size:13px;line-height:1.55}
.sum-prod-row{margin-bottom:2px}
.sum-prod-row .sr-label{font-weight:700;color:var(--ink);max-width:68%;overflow:hidden;text-overflow:ellipsis;white-space:nowrap}
.sr-label{color:var(--ink2);flex:1;min-width:0}
.sr-price{color:var(--ink);font-weight:600;white-space:nowrap;flex:none}
.sr-price b{font-weight:700;color:var(--ink)}
.sum-cfg-list .sum-cfg{padding:3px 0}
.sum-cfg .sr-label{color:var(--muted);font-size:12.5px}
.sum-cfg .sr-label span{color:var(--ink2)}
.sum-cfg .sr-price{color:var(--muted);font-size:12.5px}
.sum-divider{height:1px;background:var(--line2);margin:8px 0 6px}
.sum-totals .sum-row{padding:5px 0}
.sum-totals .sum-row>span:first-child{color:var(--ink2)}
.sum-member .sr-discount,.sum-member .sr-discount b{color:#e11d48}
.sum-grand>span:first-child{font-weight:600;color:var(--ink)}
.sum-grand .sr-price b{font-size:18px;color:var(--brand)}

/* OS: 带SVG图标的系统下拉(自定义) + 版本下拉 并排一行, 高度一致44px */
.os-picker{display:flex;align-items:center;gap:10px;max-width:640px}
.os-fam-wrap{position:relative;flex:0 0 190px}
.os-fam-btn{display:flex;align-items:center;gap:8px;width:100%;height:44px;box-sizing:border-box;border:1.5px solid var(--line);border-radius:10px;padding:0 34px 0 12px;background:#fff url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' width='12' height='12' viewBox='0 0 24 24' fill='none'%3E%3Cpath d='m6 9 6 6 6-6' stroke='%2364748b' stroke-width='2.4' stroke-linecap='round' stroke-linejoin='round'/%3E%3C/svg%3E") no-repeat right 12px center;font-size:14px;color:var(--ink);font-family:inherit;cursor:pointer;transition:.15s}
.os-fam-btn:hover{border-color:#b9cef8}
.os-fam-btn:focus-visible{outline:none;border-color:var(--brand)}
.os-fam-btn img,.os-fam-item img{width:20px;height:20px;flex:none;display:inline-block}
.os-fam-menu{position:absolute;left:0;right:0;top:calc(100% + 4px);background:#fff;border:1.5px solid var(--line);border-radius:10px;box-shadow:0 14px 34px rgba(15,23,42,.14);padding:5px;z-index:40;display:none;max-height:244px;overflow:auto}
.os-fam-wrap.open .os-fam-menu{display:block}
.os-fam-item{display:flex;align-items:center;gap:9px;width:100%;border:none;background:none;padding:8px 9px;border-radius:7px;font-size:13.5px;color:var(--ink2);cursor:pointer;font-family:inherit;text-align:left;transition:.12s}
.os-fam-item:hover{background:var(--blue-bg);color:var(--ink)}
.os-fam-item.is-on{background:var(--brand);color:#fff;font-weight:600}
.os-ver-wrap{flex:1;min-width:0}
.os-ver-wrap .cfg-select{width:100%;height:44px}
.os-ver{width:100%}
.os-selected{display:none} /* 不再展示"当前选择" */
.opt-flag{flex:none;border-radius:2px;box-shadow:0 0 0 1px rgba(15,23,42,.08);display:inline-block;vertical-align:-2px;width:auto;height:16px}

/* 数量: 滑块 */
.opt-qty{display:flex;align-items:center;gap:14px;flex-wrap:wrap}
.qty-slider-box{display:flex;align-items:center;gap:14px;min-width:260px;flex:1 1 300px;max-width:460px}
.cfg-range{-webkit-appearance:none;appearance:none;width:100%;height:6px;border-radius:999px;background:linear-gradient(90deg,var(--brand) 0%,var(--brand) var(--fill,0%),#e2e8f0 var(--fill,0%));outline:none;cursor:pointer;transition:background .1s}
.cfg-range::-webkit-slider-thumb{-webkit-appearance:none;width:18px;height:18px;border-radius:3px;background:#fff;border:2.5px solid var(--brand);box-shadow:0 2px 8px rgba(46,160,255,.35);cursor:grab;transition:.15s}
.cfg-range::-webkit-slider-thumb:hover{transform:scale(1.12)}
.cfg-range::-moz-range-thumb{width:18px;height:18px;border-radius:3px;background:#fff;border:2.5px solid var(--brand);box-shadow:0 2px 8px rgba(46,160,255,.35);cursor:grab}
.qty-slider-val{flex:none;min-width:52px;text-align:center;background:#fff;border:1px solid var(--brand);border-radius:6px;padding:2px 5px;font-size:11.5px;color:var(--ink2);line-height:1}
.qty-slider-val b{font-size:14px;font-weight:800;color:var(--brand)}
.qty-slider-val em{font-style:normal;font-weight:600;margin-left:2px;font-size:10.5px}
.qty-fixed{flex:none;min-width:72px;text-align:center;background:#f1f5f9;border-radius:10px;padding:8px 6px;font-size:19px;font-weight:800;color:var(--ink2)}
.qty-fixed-unit{font-size:12px;color:var(--ink3);font-weight:600;margin-left:3px}
.cfg-num-price{font-size:12.5px;color:var(--muted)}

/* 计费周期: 放底部且更紧凑 */
.buy-sec-cycle{padding:18px 22px 20px}
.buy-sec-cycle .cycle-grid{grid-template-columns:repeat(auto-fill,minmax(112px,1fr));gap:10px}
.buy-sec-cycle .cyc-inner{padding:9px 12px 8px;gap:2px}
.buy-sec-cycle .cyc-label{font-size:12.5px}
.buy-sec-cycle .cyc-price{font-size:14px}
.buy-sec-cycle .buy-sec-head{margin-bottom:14px}
.buy-sec-cycle .cycle-item{border-radius:10px}
@media(max-width:760px){.buy-sec-cycle .cycle-grid{grid-template-columns:repeat(auto-fill,minmax(96px,1fr))}}
/* 手机端: 周期选项强制一行(等分铺满), 项数多放不下时在该条内横向滑动 */
@media(max-width:680px){
  .buy-sec-cycle{padding:16px 14px 18px}
  .buy-sec-cycle .cycle-grid{display:flex;flex-wrap:nowrap;gap:8px;overflow-x:auto;-webkit-overflow-scrolling:touch;overscroll-behavior-x:contain;scrollbar-width:none;padding-bottom:2px}
  .buy-sec-cycle .cycle-grid::-webkit-scrollbar{display:none}
  .buy-sec-cycle .cycle-item{flex:1 1 0;min-width:76px}
  .buy-sec-cycle .cyc-inner{padding:9px 6px;gap:2px;align-items:center;text-align:center}
  .buy-sec-cycle .cyc-price{font-size:13px;white-space:nowrap}
  .buy-sec-cycle .cycle-item.has-off .cyc-label{padding-right:0}
  .buy-sec-cycle .cyc-off{right:4px;top:4px;font-size:9.5px;line-height:14px;padding:0 4px}
}

/* =========================================================
   直角化 UI (全局覆盖: 框/按钮/输入等一律直角; 保留纯圆装饰)
   ========================================================= */
:root{--radius:0px!important;--radius-sm:0px!important}
*{border-radius:0!important}
/* 保留: 头像/logo/状态圆点/开关钮/滑块圆钮 */
.avatar,.avatar img,.brand .logo,.opt-dot,.stk::before,.os-selected i,
.switch-track i,.nav-badge{border-radius:50%!important}
.cycle-item.is-on{box-shadow:0 8px 20px rgba(46,160,255,.28)}
/* ===== 滚动条美化: 直角扁平 + 品牌蓝, 与全局直角化视觉统一 ===== */
html{scrollbar-width:thin;scrollbar-color:#5db4ff #eef3f9}
::-webkit-scrollbar{width:10px;height:10px}
::-webkit-scrollbar-track{background:#eef3f9}
::-webkit-scrollbar-thumb{background:linear-gradient(180deg,#7cc0ff,#2ea0ff)}
::-webkit-scrollbar-thumb:hover{background:linear-gradient(180deg,#54b0ff,#1b8ae8)}
::-webkit-scrollbar-thumb:active{background:linear-gradient(180deg,#2ea0ff,#1668c4)}
::-webkit-scrollbar-corner{background:#eef3f9}
/* 顶栏菜单横向滚动: 更细、轨道透明 */
.nav-menu{scrollbar-width:thin;scrollbar-color:#c9dcf0 transparent}
.nav-menu::-webkit-scrollbar{height:6px}
.nav-menu::-webkit-scrollbar-track{background:transparent}
.nav-menu::-webkit-scrollbar-thumb{background:#cfdded}
.nav-menu::-webkit-scrollbar-thumb:hover{background:#2ea0ff}