/* ============================================================
   忆辞商户平台 · 商务简洁风（去 AI 风）
   低调、干净、正式的电商风格，保留克制的毛玻璃
   ============================================================ */
:root{
  --bg:#0f1419;
  --bg2:#151b23;
  --ink:#e8ebef;
  --muted:#8d97a5;
  --line:rgba(255,255,255,.10);
  --line2:rgba(255,255,255,.16);
  --glass:rgba(255,255,255,.045);
  --glass2:rgba(255,255,255,.07);
  --accent:#3b7ddd;
  --accent-d:#2f66b8;
  --accent2:#5b8fd6;
  --danger:#d9534f;
  --ok:#3f9e6a;
  --radius:10px;
}
*{box-sizing:border-box;-webkit-tap-highlight-color:transparent}
html,body{margin:0;padding:0}
body{
  font-family:-apple-system,BlinkMacSystemFont,"Segoe UI","PingFang SC","Microsoft YaHei",sans-serif;
  color:var(--ink);
  background:var(--bg);
  min-height:100vh;line-height:1.65;overflow-x:hidden;
  font-size:15px;
}
a{color:var(--accent2);text-decoration:none}
a:hover{text-decoration:underline}
img{max-width:100%;display:block}
.wrap{max-width:1120px;margin:0 auto;padding:0 20px}
.center-wrap{max-width:520px;margin:0 auto;padding:0 18px}

/* 毛玻璃面板（克制版） */
.glass{
  background:linear-gradient(180deg,rgba(255,255,255,.05),rgba(255,255,255,.028));
  border:1px solid var(--line);
  border-radius:var(--radius);
  backdrop-filter:blur(12px);
  -webkit-backdrop-filter:blur(12px);
  box-shadow:0 6px 20px rgba(0,0,0,.25);
}
.glass-soft{
  background:linear-gradient(180deg,rgba(255,255,255,.045),rgba(255,255,255,.02));
  border:1px solid var(--line);
  border-radius:8px;
}

/* 顶部导航 */
nav.top{
  position:sticky;top:0;z-index:50;
  backdrop-filter:blur(12px);
  -webkit-backdrop-filter:blur(12px);
  background:rgba(15,20,25,.85);
  border-bottom:1px solid var(--line);
}
nav.top .inner{max-width:1120px;margin:0 auto;padding:13px 20px;display:flex;align-items:center;gap:18px}
.brand{display:flex;align-items:center;gap:9px;font-weight:600;font-size:17px;color:var(--ink)}
.brand .dot{width:9px;height:9px;border-radius:2px;background:var(--accent)}
nav.top .links{margin-left:auto;display:flex;gap:4px;flex-wrap:wrap}
nav.top .links a{padding:7px 12px;border-radius:6px;color:var(--muted);font-size:14px;transition:.15s}
nav.top .links a:hover{color:var(--ink);background:var(--glass2);text-decoration:none}

/* Hero */
.hero{padding:56px 0 10px;text-align:center}
.hero h1{font-size:clamp(26px,4.4vw,38px);margin:0 0 14px;font-weight:700;letter-spacing:.3px;line-height:1.3}
.hero h1 .grad{color:var(--accent2)}
.hero p.sub{color:var(--muted);max-width:660px;margin:0 auto;font-size:15px}
.hero .actions{display:flex;gap:12px;justify-content:center;margin-top:28px;flex-wrap:wrap}

/* 按钮 */
.btn{display:inline-flex;align-items:center;justify-content:center;gap:7px;padding:11px 22px;border-radius:7px;border:1px solid var(--line2);background:var(--glass2);color:var(--ink);font-size:14px;font-weight:500;cursor:pointer;transition:.15s;font-family:inherit}
.btn:hover{background:rgba(255,255,255,.11);text-decoration:none}
.btn:active{transform:translateY(1px)}
.btn.primary{background:var(--accent);border-color:var(--accent);color:#fff}
.btn.primary:hover{background:var(--accent-d)}
.btn.mint{background:#2f7d5b;border-color:#2f7d5b;color:#fff}
.btn.mint:hover{background:#276a4d}
.btn.ghost{background:transparent}
.btn.block{width:100%}
.btn.sm{padding:7px 14px;font-size:13px;border-radius:6px}
.btn.danger{background:transparent;border-color:rgba(217,83,79,.5);color:#e88b88}
.btn.danger:hover{background:rgba(217,83,79,.12)}

/* 布局 */
.grid{display:grid;gap:16px}
.grid.cols-3{grid-template-columns:repeat(auto-fit,minmax(260px,1fr))}
.grid.cols-2{grid-template-columns:repeat(auto-fit,minmax(300px,1fr))}
.card{padding:24px}
.card h3{margin:0 0 10px;font-size:17px;font-weight:600}
.card p{margin:0;color:var(--muted);font-size:14px}
.feature{padding:22px}
.feature .ico{width:40px;height:40px;border-radius:8px;display:grid;place-items:center;font-size:20px;background:var(--glass2);border:1px solid var(--line);margin-bottom:12px}
.section{padding:48px 0}
.section h2{font-size:clamp(20px,3vw,26px);margin:0 0 8px;text-align:center;font-weight:600}
.section .lead{text-align:center;color:var(--muted);margin:0 auto 28px;max-width:600px;font-size:14px}

/* 表单 */
label.field{display:block;margin-bottom:15px}
label.field>span{display:block;font-size:13px;color:var(--muted);margin-bottom:6px}
label.field em{color:var(--danger);font-style:normal}
input,select,textarea{width:100%;padding:11px 13px;border-radius:7px;border:1px solid var(--line);background:rgba(0,0,0,.22);color:var(--ink);font-size:14px;font-family:inherit;transition:.15s}
input::placeholder,textarea::placeholder{color:#5f6977}
input:focus,select:focus,textarea:focus{outline:none;border-color:var(--accent);box-shadow:0 0 0 3px rgba(59,125,221,.18)}
textarea{min-height:88px;resize:vertical}
.row{display:flex;gap:12px}
.row>*{flex:1}
.inline-code{display:flex;gap:10px;align-items:stretch}
.inline-code input{flex:1}
.code-box{display:flex;align-items:center;justify-content:center;min-width:120px;padding:0 16px;border-radius:7px;border:1px solid var(--line);background:var(--glass2);font-weight:700;letter-spacing:3px;font-size:17px;cursor:pointer;user-select:none;color:var(--accent2);font-family:ui-monospace,monospace}
.code-box:hover{background:rgba(255,255,255,.1)}
.hint{font-size:12px;color:var(--muted);margin-top:6px}
.err{font-size:13px;color:#e88b88;margin-top:6px;min-height:18px}
.checkline{display:flex;align-items:center;gap:10px;margin:6px 0 18px;font-size:14px;color:var(--muted)}
.checkline input{width:18px;height:18px;flex:none}
.link-soft{color:var(--accent2);cursor:pointer}

/* toast */
.toast{position:fixed;left:50%;bottom:34px;transform:translateX(-50%) translateY(24px);padding:11px 22px;border-radius:8px;z-index:200;opacity:0;pointer-events:none;transition:.25s;font-size:14px;max-width:90vw;text-align:center;background:#1d232c;border:1px solid var(--line2)}
.toast.show{opacity:1;transform:translateX(-50%) translateY(0)}
.toast.ok{border-color:rgba(63,158,106,.5)}
.toast.bad{border-color:rgba(217,83,79,.5)}

/* 模态 */
.modal{position:fixed;inset:0;z-index:120;display:none;align-items:center;justify-content:center;padding:20px;background:rgba(8,11,15,.66)}
.modal.open{display:flex}
.modal .panel{max-width:480px;width:100%;max-height:86vh;overflow:auto;padding:26px}
.modal .panel h3{margin:0 0 14px;font-size:19px;font-weight:600}
.sheet-text{color:var(--muted);font-size:14px;max-height:300px;overflow:auto;line-height:1.9}
.sheet-text p{margin:0 0 12px}

/* tab */
.menu{display:flex;gap:8px;flex-wrap:wrap;margin-bottom:22px}
.menu .tab{padding:9px 20px;border-radius:7px;border:1px solid var(--line);background:var(--glass);cursor:pointer;font-size:14px;font-weight:500;color:var(--muted);transition:.15s}
.menu .tab.active{color:#fff;background:var(--accent);border-color:var(--accent)}

/* 搜索/订单 */
.searchbar{display:flex;gap:10px;margin:20px 0}
.order-card{padding:16px;margin-bottom:12px}
.order-card .on{font-family:ui-monospace,monospace;font-size:13px;color:var(--accent2)}
.badge{display:inline-block;padding:2px 10px;border-radius:4px;font-size:12px;border:1px solid var(--line2);background:var(--glass2)}
.badge.pending{color:#d9b25f;border-color:rgba(217,178,95,.4)}
.badge.paid{color:#6fce9b;border-color:rgba(63,158,106,.4)}
.badge.rejected{color:#e88b88;border-color:rgba(217,83,79,.4)}

/* footer */
footer.site{margin-top:56px;border-top:1px solid var(--line);padding:40px 0 26px;background:rgba(0,0,0,.18)}
footer.site .cols{display:grid;grid-template-columns:repeat(auto-fit,minmax(200px,1fr));gap:24px}
footer.site h4{margin:0 0 12px;font-size:14px;color:var(--ink);font-weight:600}
footer.site p,footer.site a{color:var(--muted);font-size:13px;line-height:2;margin:0;display:block}
footer.site .copy{text-align:center;color:var(--muted);font-size:12px;margin-top:30px;padding-top:20px;border-top:1px solid var(--line)}

/* 商品 */
.prod{padding:0;overflow:hidden;cursor:pointer;transition:.15s}
.prod:hover{border-color:var(--line2)}
.prod .thumb{width:100%;aspect-ratio:4/3;object-fit:cover;background:rgba(0,0,0,.3)}
.prod .thumb.ph{display:grid;place-items:center;color:var(--muted);font-size:13px}
.prod .body{padding:14px}
.prod .body .nm{font-weight:600;font-size:15px;margin-bottom:4px}
.prod .body .pr{color:var(--accent2);font-weight:700;font-size:16px}
.prod .body .ds{color:var(--muted);font-size:12px;margin-top:5px;margin-bottom:4px;display:-webkit-box;-webkit-line-clamp:2;-webkit-box-orient:vertical;overflow:hidden}
.group-head{display:flex;align-items:center;gap:14px;margin:28px 0 14px}
.group-head .cover{width:56px;height:56px;border-radius:8px;object-fit:cover;border:1px solid var(--line)}
.group-head h3{margin:0;font-size:18px}
.empty{padding:56px 20px;text-align:center;color:var(--muted)}

/* 详情图 */
.dthumbs{display:flex;gap:8px;flex-wrap:wrap;margin-top:10px}
.dthumbs img{width:56px;height:56px;object-fit:cover;border-radius:6px;border:1px solid var(--line);cursor:pointer}
.gdthumbs{display:flex;gap:10px;flex-wrap:wrap;margin:0 0 18px}
.gdthumbs img{width:110px;height:82px;object-fit:cover;border-radius:8px;border:1px solid var(--line);cursor:pointer;transition:.15s}
.gdthumbs img:hover{border-color:var(--line2)}

/* 回执/支付 */
.recv{padding:16px;margin-top:14px;font-size:14px}
.recv .r{display:flex;justify-content:space-between;padding:8px 0;border-bottom:1px dashed var(--line)}
.recv .r:last-child{border-bottom:none}
.recv .r b{color:var(--accent2)}
.fld-title{font-size:13px;color:var(--accent2);margin:14px 0 10px;padding-left:8px;border-left:3px solid var(--accent)}
.payopt{padding:16px;margin-bottom:10px;cursor:pointer;transition:.15s;border:1px solid var(--line)}
.payopt:hover,.payopt.active{border-color:var(--accent);background:rgba(59,125,221,.08)}
.payopt .t{font-weight:600;font-size:15px}
.payopt .d{color:var(--muted);font-size:13px;margin-top:3px}
.channels{margin-top:12px;display:none}
.channels.open{display:block}
.channel{padding:13px;margin-bottom:10px;cursor:pointer;border:1px solid var(--line);border-radius:7px}
.channel.active{border-color:var(--accent2);background:rgba(91,143,214,.1)}
.steps{margin-top:12px;padding:14px;border-radius:7px;background:rgba(0,0,0,.22);border:1px solid var(--line);font-size:14px;line-height:2;white-space:pre-line;display:none}
.steps.open{display:block}
.paylink-tip{font-size:13px;color:var(--muted);margin:8px 0}
.qrimg{max-width:200px;margin:12px auto;border-radius:8px}
.countdown{font-family:ui-monospace,monospace;color:var(--accent2);font-weight:700}
.upload-area{margin-top:14px}

/* 统计/列表 */
.stat{display:grid;grid-template-columns:repeat(auto-fit,minmax(150px,1fr));gap:12px;margin-bottom:18px}
.stat .item{padding:16px;text-align:center}
.stat .item .v{font-size:22px;font-weight:700;color:var(--accent2)}
.stat .item .k{color:var(--muted);font-size:13px;margin-top:4px}
.list-item{padding:14px;margin-bottom:10px;display:flex;gap:14px;align-items:center}
.list-item .thumb{width:58px;height:58px;border-radius:7px;object-fit:cover;border:1px solid var(--line);flex:none;background:rgba(0,0,0,.3)}
.list-item .meta{flex:1;min-width:0}
.list-item .meta .nm{font-weight:600}
.list-item .meta .sub{color:var(--muted);font-size:13px}
.switchable{display:none}
.switchable.on{display:block}
.small-note{font-size:12px;color:var(--muted);margin-top:10px}
.divider{height:1px;background:var(--line);margin:20px 0}
.tag{font-size:11px;padding:2px 8px;border-radius:4px;border:1px solid var(--line);color:var(--muted)}

/* 客服信息框 */
.servbox{margin-top:8px;border:1px solid var(--line);border-radius:7px;background:rgba(0,0,0,.16);padding:14px}
.serv-title{font-size:13px;color:var(--accent2);font-weight:600;margin-bottom:10px}
.serv-row{display:flex;gap:10px;align-items:flex-start;font-size:13px;padding:5px 0}
.serv-row+.serv-row{border-top:1px dashed var(--line)}
.serv-tag{flex:none;padding:1px 8px;border-radius:4px;background:var(--glass2);border:1px solid var(--line);font-size:12px;color:var(--muted)}
.serv-val{color:var(--ink);word-break:break-all}

/* 买家支付信息（商家端） */
.buyer-info{margin-top:8px;font-size:13px;color:var(--muted);background:rgba(0,0,0,.16);border:1px dashed var(--line);border-radius:6px;padding:8px 10px}
.buyer-info .bi-item{display:inline-block;margin-right:14px;color:var(--ink)}

::-webkit-scrollbar{width:10px;height:10px}
::-webkit-scrollbar-track{background:transparent}
::-webkit-scrollbar-thumb{background:rgba(255,255,255,.16);border-radius:20px;border:2px solid transparent;background-clip:content-box}

@supports not ((-webkit-backdrop-filter: blur(1px)) or (backdrop-filter: blur(1px))){
  .glass,.glass-soft,nav.top,.modal{background:#151b23}
}