:root{
  --primary:#ff4d2e; --primary-dark:#e63915; --primary-light:#fff1ee;
  --accent:#ff9500; --green:#12b76a; --blue:#2e7dff;
  --text:#1d2129; --text-2:#4e5969; --text-3:#86909c;
  --border:#e5e6eb; --bg:#f5f6f8; --card:#fff;
  --radius:12px; --shadow:0 2px 12px rgba(0,0,0,.06); --shadow-lg:0 8px 30px rgba(0,0,0,.12);
  --sidebar:#1f2733; --sidebar-2:#2a3441;
}
*{box-sizing:border-box;margin:0;padding:0}
body{font-family:-apple-system,BlinkMacSystemFont,"Segoe UI","PingFang SC","Microsoft YaHei",sans-serif;color:var(--text);background:var(--bg);line-height:1.5;font-size:14px}
a{color:inherit;text-decoration:none}
img{display:block;max-width:100%}
button{font-family:inherit;cursor:pointer;border:none;background:none;font-size:14px}
input,select,textarea{font-family:inherit;font-size:14px;outline:none}
::-webkit-scrollbar{width:8px;height:8px}::-webkit-scrollbar-thumb{background:#d0d3d9;border-radius:4px}

/* buttons */
.btn{display:inline-flex;align-items:center;justify-content:center;gap:6px;padding:9px 18px;border-radius:8px;font-weight:500;transition:.15s;white-space:nowrap}
.btn-primary{background:var(--primary);color:#fff}.btn-primary:hover{background:var(--primary-dark)}
.btn-ghost{background:#fff;border:1px solid var(--border);color:var(--text-2)}.btn-ghost:hover{border-color:var(--primary);color:var(--primary)}
.btn-accent{background:linear-gradient(90deg,#ff9500,#ff5e3a);color:#fff}
.btn-sm{padding:5px 12px;font-size:13px;border-radius:6px}
.btn-block{width:100%}
.btn:disabled{opacity:.5;cursor:not-allowed}
.btn-danger{background:#fef0ef;color:var(--primary)}.btn-danger:hover{background:var(--primary);color:#fff}

/* forms */
.field{margin-bottom:14px}
.field label{display:block;margin-bottom:6px;color:var(--text-2);font-weight:500}
.input{width:100%;padding:10px 12px;border:1px solid var(--border);border-radius:8px;transition:.15s;background:#fff}
.input:focus{border-color:var(--primary);box-shadow:0 0 0 3px var(--primary-light)}
textarea.input{resize:vertical;min-height:80px}

.tag{display:inline-block;padding:2px 8px;border-radius:4px;font-size:12px;background:var(--primary-light);color:var(--primary)}
.badge{display:inline-flex;align-items:center;justify-content:center;min-width:18px;height:18px;padding:0 5px;border-radius:9px;background:var(--primary);color:#fff;font-size:11px;font-weight:600}
.pill{padding:3px 10px;border-radius:20px;font-size:12px;font-weight:500}
.pill.gray{background:#f2f3f5;color:var(--text-3)}
.pill.orange{background:#fff3e8;color:var(--accent)}
.pill.green{background:#e8f9f0;color:var(--green)}
.pill.red{background:var(--primary-light);color:var(--primary)}
.pill.blue{background:#eaf2ff;color:var(--blue)}

.price{color:var(--primary);font-weight:700}
.price::before{content:"¥";font-size:.75em;margin-right:1px}
.muted{color:var(--text-3)}
.strike{text-decoration:line-through;color:var(--text-3);font-size:12px}

.card{background:var(--card);border-radius:var(--radius);box-shadow:var(--shadow)}
.empty{text-align:center;padding:60px 20px;color:var(--text-3)}
.empty .ico{font-size:56px;margin-bottom:12px;opacity:.6}
.spinner{width:28px;height:28px;border:3px solid var(--primary-light);border-top-color:var(--primary);border-radius:50%;animation:spin .7s linear infinite;margin:40px auto}
@keyframes spin{to{transform:rotate(360deg)}}

/* modal */
.modal-mask{position:fixed;inset:0;background:rgba(0,0,0,.5);display:flex;align-items:center;justify-content:center;z-index:1000;padding:20px}
.modal{background:#fff;border-radius:16px;width:100%;max-width:440px;padding:28px;box-shadow:var(--shadow-lg);max-height:90vh;overflow:auto}
.modal-lg{max-width:640px}
.modal h3{font-size:20px;margin-bottom:4px}
.modal .close{position:absolute;top:16px;right:20px;font-size:22px;color:var(--text-3);cursor:pointer}
.toast{position:fixed;top:24px;left:50%;transform:translateX(-50%);background:#1d2129;color:#fff;padding:10px 22px;border-radius:24px;z-index:2000;box-shadow:var(--shadow-lg);animation:drop .3s}
@keyframes drop{from{opacity:0;transform:translate(-50%,-10px)}}

/* ===== storefront ===== */
.topbar{background:#fff;box-shadow:var(--shadow);position:sticky;top:0;z-index:100}
.topbar-inner{max-width:1200px;margin:0 auto;display:flex;align-items:center;gap:20px;padding:12px 20px}
.logo{font-size:22px;font-weight:800;color:var(--primary);display:flex;align-items:center;gap:6px;white-space:nowrap}
.search-box{flex:1;display:flex;max-width:560px}
.search-box input{flex:1;border:2px solid var(--primary);border-right:none;border-radius:20px 0 0 20px;padding:8px 16px}
.search-box button{background:var(--primary);color:#fff;padding:0 22px;border-radius:0 20px 20px 0;font-weight:500}
.nav-actions{display:flex;align-items:center;gap:18px;margin-left:auto}
.nav-actions .item{display:flex;flex-direction:column;align-items:center;color:var(--text-2);font-size:12px;cursor:pointer;position:relative;gap:2px}
.nav-actions .item:hover{color:var(--primary)}
.nav-actions .item .ico{font-size:20px}
.nav-actions .item .badge{position:absolute;top:-6px;right:-8px}

.container{max-width:1200px;margin:20px auto;padding:0 20px}
.cats-bar{display:flex;gap:8px;flex-wrap:wrap;margin-bottom:16px}
.cat-chip{padding:8px 16px;background:#fff;border-radius:20px;cursor:pointer;color:var(--text-2);box-shadow:var(--shadow);transition:.15s}
.cat-chip:hover,.cat-chip.active{background:var(--primary);color:#fff}
.toolbar{display:flex;gap:8px;align-items:center;margin-bottom:16px}
.toolbar .sort{padding:6px 12px;background:#fff;border-radius:8px;cursor:pointer;color:var(--text-2);box-shadow:var(--shadow)}
.toolbar .sort.active{color:var(--primary);font-weight:600}

/* ===== Premium Hero ===== */
.hero{position:relative;overflow:hidden;border-radius:20px;padding:56px 48px;margin-bottom:24px;color:#fff;
  background:linear-gradient(135deg,#ff7a45 0%,#ff4d2e 55%,#e63915 100%);
  box-shadow:0 20px 50px -22px rgba(255,77,46,.6);isolation:isolate}
.hero-glow{position:absolute;inset:0;z-index:-1;overflow:hidden}
.hero-glow::before,.hero-glow::after{content:'';position:absolute;border-radius:50%;filter:blur(40px);opacity:.55}
.hero-glow::before{width:340px;height:340px;background:radial-gradient(circle,#ffd9a8,transparent 70%);top:-120px;right:-60px;animation:floatY 7s ease-in-out infinite}
.hero-glow::after{width:300px;height:300px;background:radial-gradient(circle,#ffb38a,transparent 70%);bottom:-130px;left:-40px;animation:floatY 9s ease-in-out infinite reverse}
.hero-content{position:relative;max-width:680px;animation:fadeUp .7s var(--ease) both}
.hero-badge{display:inline-block;padding:6px 14px;border-radius:999px;background:rgba(255,255,255,.18);
  border:1px solid rgba(255,255,255,.28);font-size:13px;font-weight:600;backdrop-filter:blur(6px);margin-bottom:18px}
.hero h1{font-size:clamp(30px,4.4vw,46px);line-height:1.15;margin-bottom:14px;font-weight:800;letter-spacing:-.01em}
.hero .grad{background:linear-gradient(120deg,#fff,#ffe0c2);-webkit-background-clip:text;background-clip:text;color:transparent}
.hero p{font-size:clamp(15px,2vw,18px);opacity:.95;margin-bottom:24px;max-width:540px}
.hero-search{display:flex;gap:10px;max-width:520px;background:#fff;padding:8px;border-radius:14px;box-shadow:0 12px 30px -12px rgba(0,0,0,.35)}
.hero-search input{flex:1;border:none;background:transparent;padding:10px 14px;font-size:15px;color:var(--text)}
.hero-search input:focus{outline:none}
.hero-search button{background:linear-gradient(90deg,#ff9500,#ff5e3a);color:#fff;border:none;padding:0 22px;border-radius:10px;font-weight:600;cursor:pointer;white-space:nowrap;transition:transform .2s}
.hero-search button:hover{transform:translateY(-1px)}
.hero-trust{display:flex;gap:18px;flex-wrap:wrap;margin-top:20px;font-size:13.5px;opacity:.95}
.hero-trust span{display:inline-flex;align-items:center;gap:5px}
@keyframes floatY{0%,100%{transform:translateY(0)}50%{transform:translateY(-16px)}}

@keyframes fadeUp{from{opacity:0;transform:translateY(20px)}to{opacity:1;transform:none}}

.grid{display:grid;grid-template-columns:repeat(auto-fill,minmax(200px,1fr));gap:16px}
.pcard{background:#fff;border-radius:var(--radius);overflow:hidden;cursor:pointer;transition:transform .25s var(--ease),box-shadow .25s;box-shadow:var(--shadow)}
.pcard:hover{transform:translateY(-6px);box-shadow:var(--shadow-lg)}
.pcard .thumb{width:100%;aspect-ratio:1;object-fit:cover;background:#f2f3f5;transition:transform .5s var(--ease)}
.pcard:hover .thumb{transform:scale(1.06)}
.pcard .info{padding:12px}
.pcard .title{font-size:14px;line-height:1.4;height:39px;overflow:hidden;display:-webkit-box;-webkit-line-clamp:2;-webkit-box-orient:vertical;margin-bottom:8px;transition:color .2s}
.pcard:hover .title{color:var(--primary)}
.pcard .row{display:flex;align-items:center;justify-content:space-between}
.pcard .price{font-size:18px}
.pcard .shop{font-size:12px;color:var(--text-3);margin-top:6px;display:flex;align-items:center;gap:4px}

/* layout admin/seller */
.app{display:flex;min-height:100vh}
.sidebar{width:220px;background:var(--sidebar);color:#cfd6df;display:flex;flex-direction:column;position:fixed;top:0;bottom:0;left:0}
.sidebar .brand{padding:20px;font-size:18px;font-weight:700;color:#fff;display:flex;align-items:center;gap:8px;border-bottom:1px solid var(--sidebar-2)}
.sidebar .menu{flex:1;padding:12px 0;overflow:auto}
.sidebar .mi{display:flex;align-items:center;gap:10px;padding:11px 20px;cursor:pointer;color:#aab4c0;transition:.15s;font-size:14px}
.sidebar .mi:hover{background:var(--sidebar-2);color:#fff}
.sidebar .mi.active{background:var(--primary);color:#fff}
.sidebar .mi .ico{width:20px;text-align:center}
.sidebar .mi .badge{margin-left:auto}
.sidebar .foot{padding:14px 20px;border-top:1px solid var(--sidebar-2);font-size:13px}
.main{margin-left:220px;flex:1;display:flex;flex-direction:column}
.header{background:#fff;padding:14px 28px;display:flex;align-items:center;justify-content:space-between;box-shadow:var(--shadow);position:sticky;top:0;z-index:50}
.header h2{font-size:18px}
.content{padding:24px 28px;flex:1}

.stats{display:grid;grid-template-columns:repeat(auto-fit,minmax(180px,1fr));gap:16px;margin-bottom:20px}
.stat{background:#fff;border-radius:var(--radius);padding:20px;box-shadow:var(--shadow)}
.stat .label{color:var(--text-3);font-size:13px;margin-bottom:8px}
.stat .num{font-size:26px;font-weight:700}
.stat .num.p{color:var(--primary)}
.stat .sub{font-size:12px;color:var(--text-3);margin-top:4px}

.panel{background:#fff;border-radius:var(--radius);box-shadow:var(--shadow);margin-bottom:20px;overflow:hidden}
.panel-head{padding:16px 20px;border-bottom:1px solid var(--border);display:flex;align-items:center;justify-content:space-between}
.panel-head h3{font-size:16px}
.panel-body{padding:20px}
.tabs{display:flex;gap:4px;padding:0 20px;border-bottom:1px solid var(--border);background:#fff;flex-wrap:wrap}
.tabs .t{padding:12px 14px;cursor:pointer;color:var(--text-2);border-bottom:2px solid transparent;font-size:14px}
.tabs .t.active{color:var(--primary);border-color:var(--primary);font-weight:600}

table{width:100%;border-collapse:collapse}
th,td{padding:12px 14px;text-align:left;border-bottom:1px solid var(--border);font-size:13px;vertical-align:middle}
th{color:var(--text-3);font-weight:500;background:#fafbfc}
tr:hover td{background:#fafbfc}
.tprod{display:flex;align-items:center;gap:10px}
.tprod img{width:44px;height:44px;border-radius:6px;object-fit:cover}
.tprod .t{max-width:220px;overflow:hidden;text-overflow:ellipsis;white-space:nowrap}

.flex{display:flex}.between{justify-content:space-between}.center{align-items:center}.gap{gap:10px}.wrap{flex-wrap:wrap}
.mt{margin-top:12px}.mb{margin-bottom:12px}.g8{gap:8px}
.grid2{display:grid;grid-template-columns:1fr 1fr;gap:12px}

/* 标签编辑（商家端） */
.tag-edit-box{display:flex;flex-direction:column;gap:8px;margin-bottom:8px}
.tag-row{display:flex;gap:8px;align-items:center}
.tag-row .tname{flex:0 0 40%}
.tag-row .tdesc{flex:1}
.tag{display:inline-flex;align-items:center;gap:6px;background:var(--primary-light);color:var(--primary-dark);padding:3px 10px;border-radius:20px;font-size:12px;font-weight:500}
.tag-desc{color:var(--text-3);font-weight:400;font-size:11px}

/* 图片上传预览（商家端） */
.img-prev{margin-top:8px;display:flex;align-items:center;gap:8px;flex-wrap:wrap}
.img-prev-grid{margin-top:8px;display:flex;gap:8px;flex-wrap:wrap}
.prev-item{position:relative;display:inline-flex}
.prev-item .btn{position:absolute;top:-8px;right:-8px;padding:2px 7px;border-radius:50%}

/* 详情图画廊（用户端） */
.detail-thumbs{display:flex;gap:8px;margin-top:8px;flex-wrap:wrap}
.thumb-sm{transition:.15s}
.thumb-sm:hover{border-color:var(--primary)!important}

@media(max-width:768px){
  .sidebar{width:64px}.sidebar .brand span,.sidebar .mi span:not(.ico):not(.badge),.sidebar .foot{display:none}
  .main{margin-left:64px}.grid2{grid-template-columns:1fr}
  .nav-actions{gap:12px}.search-box{max-width:none}
}