*{margin:0;padding:0;box-sizing:border-box;-webkit-tap-highlight-color:transparent}
:root{--navy:#0b2e59;--blue:#1565d8;--accent:#f05a28;--ink:#1d2b3a;--mut:#6b7a8c;--line:#e3e9f2;--bg:#f4f6fa}
body{font-family:-apple-system,BlinkMacSystemFont,"PingFang SC","Microsoft YaHei",sans-serif;background:var(--bg);color:var(--ink);font-size:15px;line-height:1.6}
a{color:var(--blue);text-decoration:none}
.wrap{max-width:1140px;margin:0 auto;padding:0 14px}
.top{background:var(--navy);color:#fff;position:sticky;top:0;z-index:20;box-shadow:0 2px 10px rgba(11,46,89,.15)}
.bar{display:flex;align-items:center;justify-content:space-between;min-height:56px;gap:10px;flex-wrap:wrap}
.brand b{font-size:17px;display:block;line-height:1.2}
.brand span{font-size:11px;color:#9db9e4}
.nav{display:flex;gap:6px;flex-wrap:wrap}
.nav a{color:#fff;font-size:13.5px;background:rgba(255,255,255,.14);padding:6px 11px;border-radius:16px}
.nav em{background:var(--accent);font-style:normal;font-size:11px;padding:1px 6px;border-radius:9px;margin-left:3px}
.hero{background:linear-gradient(150deg,#0b2e59,#1b5cb0);color:#fff;border-radius:0 0 18px 18px;margin-top:14px;padding:20px 18px}
.hero h1{font-size:22px}
.hero p{font-size:13px;color:#d6e4f6;margin-top:6px}
.grid-products{display:grid;grid-template-columns:repeat(2,1fr);gap:12px;margin:16px 0}
.card{background:#fff;border:1px solid var(--line);border-radius:14px;overflow:hidden;display:flex;flex-direction:column;color:inherit}
.card .ph{aspect-ratio:1/1;display:flex;align-items:center;justify-content:center;padding:8px;background:#fff}
.card .ph img{width:100%;height:100%;object-fit:contain}
.card .noimg{color:#b9c4d2;font-size:13px}
.card .info{padding:10px 12px 12px;border-top:1px solid var(--line);flex:1;display:flex;flex-direction:column}
.card .cat{font-size:11px;color:#8b9bb0}
.card b{font-size:14.5px;line-height:1.35;margin:3px 0 6px}
.card .price{color:#e2452b;font-weight:700;font-size:16px;margin-top:auto}
.card .price small{font-weight:400;font-size:11px;color:#8b9bb0}
.btn{display:block;text-align:center;background:var(--accent);color:#fff;border-radius:9px;padding:9px 0;font-size:14px;font-weight:700;margin-top:9px}
.tip{font-size:12.5px;color:#8b9bb0;padding:6px 0}
.note{font-size:13px;color:#5f6f82;background:#fff8ef;border:1px solid #fde4cf;border-radius:10px;padding:9px 12px;margin:10px 0}
.detail{display:block;margin:16px 0}
.dimg{background:#fff;border:1px solid var(--line);border-radius:14px;display:flex;align-items:center;justify-content:center;padding:14px;min-height:260px}
.dimg img{max-width:100%;max-height:380px;object-fit:contain}
.dinfo{margin-top:14px}
.dinfo h1{font-size:21px;margin:6px 0}
.dinfo .cat{font-size:12.5px;color:#8b9bb0}
.descr{font-size:14px;color:#4a5a6c;background:#fff;border:1px solid var(--line);border-radius:10px;padding:10px 12px;margin:10px 0}
.lbl{font-size:13px;color:var(--mut);display:block;margin:10px 0 5px}
select,input,textarea{font-family:inherit;font-size:15px;border:1px solid #cfd9e6;border-radius:9px;padding:10px 11px;width:100%;background:#fff}
.qtyrow{display:flex;align-items:center;justify-content:space-between;max-width:220px}
.qty{display:flex;align-items:center}
.qty button{width:42px;height:42px;border:1px solid #cfd9e6;background:#fff;font-size:19px;border-radius:9px}
.qty input{width:56px;text-align:center;border-left:none;border-right:none;border-radius:0}
.qty.small button{width:32px;height:32px;font-size:16px;border-radius:7px}
.qty.small input{width:42px}
.price{color:#e2452b;font-weight:700}
.price.big{font-size:20px;margin:12px 0}
.acts{display:grid;grid-template-columns:1fr 1fr;gap:10px;margin-top:12px}
.btn2{border:0;border-radius:10px;padding:13px 0;font-size:15px;font-weight:700;cursor:pointer;font-family:inherit}
.btn2.add{background:#ffedd5;color:#c2410c}
.btn2.now{background:var(--accent);color:#fff}
.btn2.wide{grid-column:1/-1;width:100%}
.cartbox{margin:14px 0}
.empty{text-align:center;color:var(--mut);padding:36px 12px;background:#fff;border:1px solid var(--line);border-radius:12px}
.citem{display:flex;gap:10px;background:#fff;border:1px solid var(--line);border-radius:12px;padding:10px;margin-bottom:10px;align-items:center}
.citem img{width:64px;height:64px;object-fit:contain;border:1px solid var(--line);border-radius:8px}
.cinfo{flex:1;font-size:14px}
.cinfo small{display:block;color:#8b9bb0;font-size:12px;margin-bottom:5px}
.cright{text-align:right}
.del{font-size:12px;color:#8b9bb0}
.form{background:#fff;border:1px solid var(--line);border-radius:14px;padding:14px;margin:14px 0}
.form h2{font-size:16px;color:var(--navy);margin:6px 0 10px}
.frow{display:flex;align-items:center;justify-content:space-between;gap:10px;margin-bottom:10px}
.frow label{font-size:13px;color:var(--mut);width:110px;flex-shrink:0}
.frow.col{display:block}
.frow.col label{width:auto;display:block;margin-bottom:5px}
.total{text-align:right;font-size:15px;border-top:1px dashed var(--line);padding-top:10px;margin:8px 0}
.total b{color:#e2452b;font-size:20px}
.ok{text-align:center;padding:26px 0}
.ok .ico{font-size:46px}
.ok h1{font-size:19px;margin:10px 0}
.ordno{font-family:monospace;font-size:18px;color:var(--navy);background:#fff;border:1px solid var(--line);display:inline-block;padding:7px 14px;border-radius:9px;margin:8px 0}
.ok .acts{max-width:280px;margin:14px auto}
.err{color:#b91c1c;font-size:13.5px;margin:8px 0}
.okmsg{color:#166534;background:#f0fdf4;border:1px solid #bbf7d0;border-radius:9px;padding:8px 12px;margin:10px 0;font-size:13.5px}
.tbl{width:100%;border-collapse:collapse;font-size:13.5px;background:#fff}
.tbl th,.tbl td{border-bottom:1px solid var(--line);padding:9px 8px;text-align:left;vertical-align:top}
.tbl th{background:var(--bg);color:var(--navy);white-space:nowrap}
.tblwrap{overflow-x:auto;border:1px solid var(--line);border-radius:12px}
.mini{display:inline-block;font-size:12.5px;border:1px solid #cfd9e6;border-radius:8px;padding:5px 10px;background:#fff;color:var(--ink);margin-right:6px}
.mini.danger{color:#b91c1c;border-color:#fecaca}
.m{max-width:80%;padding:9px 12px;border-radius:12px;margin:8px 0;font-size:14.5px;white-space:pre-wrap}
.m.u{background:#fff;border:1px solid var(--line)}
.m.a{margin-left:auto;background:var(--navy);color:#fff}
.m .t{display:block;font-size:10.5px;opacity:.6;margin-top:3px}
.badge{background:var(--accent);color:#fff;font-size:11px;border-radius:9px;padding:1px 7px;margin-left:6px}
.narrow{max-width:520px}
.alogin{font-size:20px;color:var(--navy);margin:26px 0 10px;text-align:center}
.twocol{display:block}
/* 天猫风详情页 */
.pd-wrap{display:block;margin:14px auto}
.pd-media{background:#fff;border:1px solid var(--line);border-radius:14px;padding:10px}
.mainbox{display:flex;align-items:center;justify-content:center;min-height:280px;background:#fff;border-radius:10px;overflow:hidden}
.mainbox img{max-width:100%;max-height:420px;object-fit:contain}
.mainbox video{width:100%;max-height:420px;background:#000;border-radius:10px}
.pd-thumbs{display:flex;gap:8px;overflow-x:auto;margin-top:10px;padding-bottom:4px}
.pd-thumbs .th{position:relative;width:64px;height:64px;flex-shrink:0;border:2px solid var(--line);border-radius:8px;overflow:hidden;display:flex;align-items:center;justify-content:center;background:#fff}
.pd-thumbs .th.on{border-color:var(--accent)}
.pd-thumbs .th img{width:100%;height:100%;object-fit:contain}
.pd-thumbs .th .ph{color:#b9c4d2;font-size:12px}
.pd-thumbs .th .play{position:absolute;inset:0;display:flex;align-items:center;justify-content:center;background:rgba(11,46,89,.55);color:#fff;font-size:16px}
.pd-buy{margin-top:14px}
.pd-buy h1{font-size:21px;margin:4px 0 6px}
.pd-buy .sub{font-size:13.5px;color:#5f6f82}
.pricebox{display:flex;align-items:baseline;justify-content:space-between;background:#fff8ef;border:1px solid #fde4cf;border-radius:10px;padding:10px 12px;margin:12px 0}
.pricebox .freight{font-size:12.5px;color:#8b9bb0}
.sec-wrap{margin:20px auto}
.sec-title{font-size:18px;color:var(--navy);border-left:4px solid var(--accent);padding-left:9px;margin-bottom:12px}
.sec-block{background:#fff;border:1px solid var(--line);border-radius:14px;padding:14px;margin-bottom:12px}
.sec-block h3{font-size:16px;color:var(--navy);margin-bottom:8px}
.sec-block p{font-size:14.5px;color:#3a4a5c;line-height:1.9;margin-bottom:8px}
.sec-block.gal{display:flex;flex-direction:column;gap:10px}
.sec-block.gal img{width:100%;border-radius:10px}
@media(min-width:960px){
  .pd-wrap{display:grid;grid-template-columns:minmax(0,1.05fr) minmax(0,.95fr);gap:26px;align-items:start;margin-top:22px}
  .pd-buy{margin-top:0}
  .mainbox{min-height:460px}
  .sec-wrap{max-width:900px}
}
/* 天猫风：左图竖排小图 + 放大镜 + 三组选项 */
.media-flex{display:flex;gap:12px;align-items:flex-start}
.pd-thumbs{display:flex;flex-direction:row;gap:8px;overflow-x:auto;margin-top:10px;padding-bottom:4px}
@media(min-width:960px){
  .pd-thumbs{flex-direction:column;overflow:visible;margin-top:0;max-height:520px;overflow-y:auto}
  .pd-thumbs .th{width:70px;height:70px}
  .media-flex{flex-direction:row}
  .mainbox{flex:1;position:relative}
}
.zoomwrap{position:relative;display:inline-block;line-height:0;overflow:hidden;cursor:zoom-in}
.zoomwrap img{max-width:100%;max-height:420px;object-fit:contain;transition:transform .07s ease-out;will-change:transform;transform-origin:center center}
.lens{position:absolute;width:130px;height:130px;border:2px solid var(--accent);background:rgba(240,90,40,.08);display:none;pointer-events:none}
.zoomview{position:absolute;left:100%;top:0;margin-left:12px;width:380px;height:380px;border:1px solid var(--line);border-radius:12px;background:#fff no-repeat;display:none;z-index:15;box-shadow:0 8px 24px rgba(11,46,89,.18)}
.modelrow{font-size:13.5px;color:#5f6f82;margin:4px 0 8px}
.specgroup{margin:12px 0}
.chips{display:flex;flex-wrap:wrap;gap:8px}
.chip{display:inline-flex;align-items:center;gap:6px;border:1px solid #cfd9e6;border-radius:9px;padding:7px 12px;font-size:13.5px;color:var(--ink);background:#fff;text-decoration:none}
.chip img{width:36px;height:36px;object-fit:contain;border-radius:6px;background:#fff}
.chip.on{border-color:var(--accent);color:var(--accent);background:#fff7ed;font-weight:700;box-shadow:0 0 0 1px var(--accent) inset}
.promise{font-size:12.5px;color:#16a34a;background:#f0fdf4;border:1px solid #bbf7d0;border-radius:8px;padding:7px 10px;margin:10px 0}
.coupbar{background:#fff;border:1px dashed var(--accent);border-radius:12px;padding:10px 12px;margin:12px 0;font-size:13px;display:flex;align-items:center;gap:10px;flex-wrap:wrap}
.coupbar b{color:var(--accent)}
.coup{background:#fff7ed;border:1px solid #fde4cf;border-radius:8px;padding:4px 9px;color:#c2410c}
.coup em{font-style:normal;color:#8b9bb0;font-size:11.5px;margin-left:4px}
.tipp{color:#8b9bb0;font-size:12px}
.tagp{background:var(--accent);color:#fff;font-size:10.5px;border-radius:5px;padding:1px 5px;margin-left:5px;vertical-align:2px}
.del{color:#b9c4d2;text-decoration:line-through;font-weight:400;font-size:12.5px;margin-left:5px}
.rev-sum{display:flex;align-items:center;gap:12px;background:#fff;border:1px solid var(--line);border-radius:12px;padding:10px 14px;margin-bottom:12px}
.rev-sum .score{font-size:26px;color:#e2452b;font-weight:800}
.rev-item{border-bottom:1px dashed var(--line);padding:10px 2px}
.rev-item .who{font-size:13px;color:#5f6f82}
.rev-item .st{color:#f59e0b;font-size:13px}
.rev-item .ct{font-size:14px;margin:4px 0}
.rev-item .rp{background:#f7f9fc;border-left:3px solid var(--navy);padding:6px 10px;font-size:13px;color:#3a4a5c;margin-top:6px}
.pd-tabs{display:flex;gap:4px;border-bottom:2px solid var(--line);margin:6px 0 14px}
.pd-tabs a{padding:9px 18px;font-size:14.5px;color:#5f6f82;text-decoration:none;border-bottom:3px solid transparent;margin-bottom:-2px}
.pd-tabs a.on{color:var(--navy);font-weight:700;border-bottom-color:var(--accent)}
.foot{text-align:center;color:#8b9bb0;font-size:12px;padding:26px 14px}
.admin .form{background:#fff}
body.admin{background:#eef2f7}
/* 平板 */
@media(min-width:640px){
  .grid-products{grid-template-columns:repeat(3,1fr)}
  .brand b{font-size:19px}
}
/* 桌面 */
@media(min-width:960px){
  .grid-products{grid-template-columns:repeat(4,1fr)}
  .detail{display:grid;grid-template-columns:1fr 1fr;gap:26px}
  .dimg{min-height:420px}
  .dinfo{margin-top:0}
  .twocol{display:grid;grid-template-columns:1.1fr .9fr;gap:20px}
  .wrap.narrow{max-width:560px}
}