*{box-sizing:border-box;margin:0;padding:0}
body{font-family:-apple-system,"Microsoft YaHei",sans-serif;background:#f2f4f8;color:#1f2937;font-size:14px}
a{color:inherit;text-decoration:none}
.wrap{max-width:1080px;margin:0 auto;padding:0 14px}
.topbar{background:linear-gradient(135deg,#2563eb,#4f46e5);color:#fff;padding:18px 0}
.topbar b{font-size:19px;display:block}
.topbar .sub{font-size:12px;opacity:.85}
.body{display:flex;gap:16px;padding:18px 14px;align-items:flex-start}
.cats{width:180px;flex-shrink:0;display:flex;flex-direction:column;gap:6px;position:sticky;top:14px}
.cat{background:#fff;border-radius:8px;padding:10px 12px;font-size:13px}
.cat:active{background:#eef2ff}
.goods{flex:1;min-width:0}
.cat-title{font-size:16px;margin:16px 0 10px}
.cat-title .muted{font-size:12px;color:#9ca3af;font-weight:400}
.grid{display:grid;grid-template-columns:repeat(auto-fill,minmax(220px,1fr));gap:12px}
.gcard{background:#fff;border-radius:12px;padding:14px;display:flex;flex-direction:column;gap:8px}
.gname{font-size:14px;line-height:1.5;min-height:42px}
.grow{display:flex;justify-content:space-between;align-items:center}
.price{color:#e11d48;font-weight:700;font-size:18px}
.stock{color:#9ca3af;font-size:12px}
.buy{margin-top:4px;background:#2563eb;color:#fff;border:0;border-radius:8px;padding:9px;cursor:pointer;font-size:14px}
.empty{background:#fff;border-radius:12px;padding:40px;text-align:center;color:#6b7280}
.mask{display:none;position:fixed;inset:0;background:rgba(0,0,0,.45);z-index:50;align-items:center;justify-content:center;padding:16px}
.mask.show{display:flex}
.modal{background:#fff;border-radius:14px;padding:20px;width:100%;max-width:380px}
.modal h3{margin-bottom:12px}
.m-goods{background:#f8fafc;border-radius:8px;padding:10px;margin-bottom:8px;font-size:14px}
.modal label{display:block;margin:10px 0 4px;font-size:13px;color:#555}
.modal input{width:100%;padding:9px 10px;border:1px solid #d0d7de;border-radius:8px}
.qty{display:flex;gap:10px;align-items:center}
.qty button{width:36px;height:36px;border:1px solid #d0d7de;background:#fff;border-radius:8px;font-size:18px;cursor:pointer}
.qty input{width:60px;text-align:center}
.m-total{margin:12px 0;font-size:15px}.m-total b{color:#e11d48;font-size:18px}
.m-actions{display:flex;gap:10px;margin-top:16px}
.m-actions button{flex:1;padding:11px;border-radius:9px;border:0;cursor:pointer;font-size:15px}
.btn-ghost{background:#f1f5f9;color:#374151}
.btn-primary{background:#2563eb;color:#fff}
@media(max-width:760px){
  .body{flex-direction:column}
  .cats{width:100%;flex-direction:row;flex-wrap:wrap;position:static}
  .cat{flex:1 0 30%;text-align:center}
  .grid{grid-template-columns:1fr 1fr;gap:10px}
  .gname{font-size:13px;min-height:38px}
}
/* 聚合首页 */
.home{width:100%}
.home-grid{grid-template-columns:repeat(auto-fill,minmax(240px,1fr))}
.home-card{display:flex;flex-direction:column;justify-content:space-between;min-height:96px;color:inherit;transition:transform .12s,box-shadow .12s}
.home-card:active{transform:scale(.98)}
.home-card .price{font-size:15px;color:#2563eb}


/* ===== 卡片导航首页（深空玻璃门户） ===== */
.nav-page{min-height:100vh;background:radial-gradient(1200px 600px at 50% -10%,#16264d 0%,#070d1c 55%,#05080f 100%);position:relative;overflow:hidden;padding:28px 14px 70px}
.nav-stars{position:absolute;inset:0;pointer-events:none;overflow:hidden;
  background-image:radial-gradient(1.5px 1.5px at 20% 30%,#fff8,transparent),radial-gradient(1px 1px at 60% 20%,#fff6,transparent),radial-gradient(1.5px 1.5px at 80% 60%,#fff7,transparent),radial-gradient(1px 1px at 35% 75%,#fff5,transparent),radial-gradient(1px 1px at 90% 85%,#fff6,transparent);
  background-size:260px 260px,200px 200px,300px 300px,180px 180px,220px 220px;
  animation:navTwinkle 3.6s ease-in-out infinite alternate,navFloatA 26s ease-in-out infinite}
.nav-stars::before{content:"";position:absolute;inset:-50%;
  background-image:radial-gradient(1px 1px at 10% 40%,#fff7,transparent),radial-gradient(1px 1px at 45% 15%,#fff5,transparent),radial-gradient(1.2px 1.2px at 70% 55%,#fff8,transparent),radial-gradient(1px 1px at 25% 80%,#fff6,transparent),radial-gradient(1px 1px at 88% 30%,#fff5,transparent),radial-gradient(1px 1px at 55% 90%,#fff7,transparent);
  background-size:220px 220px;
  animation:navTwinkle 4.5s ease-in-out infinite alternate,navFloatB 42s ease-in-out infinite}
.nav-stars::after{content:"";position:absolute;inset:0;
  background-image:radial-gradient(2px 2px at 15% 25%,#cfe4ff,transparent),radial-gradient(1.8px 1.8px at 75% 45%,#ffe9c8,transparent),radial-gradient(1.8px 1.8px at 40% 70%,#d7e6ff,transparent);
  background-size:340px 340px;
  animation:navTwinkle 5.5s ease-in-out infinite alternate,navFloatC 34s ease-in-out infinite}
@keyframes navTwinkle{from{opacity:.4}to{opacity:1}}
@keyframes navFloatA{0%{transform:translate(0,0)}50%{transform:translate(34px,-26px)}100%{transform:translate(0,0)}}
@keyframes navFloatB{0%{transform:translate(0,0)}50%{transform:translate(-38px,22px)}100%{transform:translate(0,0)}}
@keyframes navFloatC{0%{transform:translate(0,0)}50%{transform:translate(22px,30px)}100%{transform:translate(0,0)}}
.nav-meteor{position:absolute;top:-12%;left:58%;width:2px;height:90px;pointer-events:none;opacity:0;
  background:linear-gradient(to bottom,rgba(255,255,255,.9),transparent);
  transform:rotate(215deg);animation:navMeteor 9s linear infinite}
.nav-meteor.m2{top:6%;left:20%;height:70px;animation-delay:4.5s;animation-duration:12s}
@keyframes navMeteor{0%{opacity:0;transform:rotate(215deg) translateX(0)}8%{opacity:1}26%{opacity:0;transform:rotate(215deg) translateX(340px)}100%{opacity:0;transform:rotate(215deg) translateX(340px)}}
.nav-top{position:relative;max-width:1080px;margin:0 auto;display:flex;justify-content:flex-end;gap:10px;flex-wrap:wrap}
.nav-pill{background:rgba(255,153,0,.14);border:1px solid rgba(255,153,0,.45);color:#ffd9a0;border-radius:20px;padding:6px 14px;font-size:13px;backdrop-filter:blur(6px)}
.nav-head{position:relative;text-align:center;margin:38px 0 30px}
.nav-title{font-size:36px;font-weight:800;color:#7db9ff;letter-spacing:3px;text-shadow:0 0 24px rgba(91,140,255,.65)}
.nav-sub{margin-top:10px;color:#3ee6ff;font-size:13px;letter-spacing:4px;opacity:.85}
.nav-grid{position:relative;max-width:1080px;margin:0 auto;display:grid;grid-template-columns:repeat(2,1fr);gap:18px}
@media(max-width:600px){.nav-grid{grid-template-columns:1fr;gap:14px}.nav-title{font-size:27px}}
.nav-card{display:flex;align-items:center;gap:15px;background:rgba(18,30,56,.62);border:1px solid rgba(120,170,255,.18);border-left:3px solid #3b82f6;border-radius:16px;padding:20px 18px;transition:transform .18s,box-shadow .18s,border-color .18s,background .18s;color:inherit;backdrop-filter:blur(10px)}
.nav-card:hover{transform:translateY(-4px);background:rgba(28,46,82,.8);border-color:rgba(125,185,255,.55);box-shadow:0 14px 34px rgba(59,130,246,.28)}
.nav-ic{width:50px;height:50px;flex-shrink:0;border-radius:15px;background:linear-gradient(135deg,rgba(59,130,246,.35),rgba(124,92,246,.35));display:flex;align-items:center;justify-content:center;font-size:24px;box-shadow:inset 0 0 0 1px rgba(150,190,255,.25)}
.nav-txt{min-width:0}
.nav-name{font-size:16px;font-weight:700;color:#eaf2ff;white-space:nowrap;overflow:hidden;text-overflow:ellipsis}
.nav-desc{font-size:13px;color:#9fb3d1;margin-top:4px}
.nav-footer{position:relative;max-width:1080px;margin:36px auto 0;text-align:center;color:#7d93b5;font-size:13px;letter-spacing:1px}