/* 图里亚 · 人像摄影原片商店 | 风格 B 暗房 Noir | 阶段 1 静态原型 */
:root{
  --bg:#0B0B0D; --panel:#131316; --panel2:#1A1A1E; --panel3:#222227;
  --line:#2A2A30; --line2:#3A3A42;
  --text:#F2EFE8; --muted:#8E8C85; --dim:#61605B;
  --accent:#E4653A; --accent-soft:#1E1410; --ok:#4CAF7D; --blue:#2B4CFF;
  --radius:6px; --max:1280px;
}
*{box-sizing:border-box}
html{scroll-behavior:smooth}
body{margin:0;background:var(--bg);color:var(--text);font-family:-apple-system,BlinkMacSystemFont,"PingFang SC","Microsoft YaHei",sans-serif;-webkit-font-smoothing:antialiased;font-size:14px;line-height:1.6}
a{color:inherit;text-decoration:none}
img{display:block;max-width:100%}
button,input,select,textarea{font-family:inherit;font-size:inherit}
button{cursor:pointer;border:none;background:none;color:inherit}
h1,h2,h3,h4,p{margin:0}
.container{max-width:var(--max);margin:0 auto;padding:0 32px}
.mono{font-family:"SF Mono",Menlo,Consolas,monospace}
.accent{color:var(--accent)}
.muted{color:var(--muted)}
.hidden{display:none !important}

/* ---------- 导航 ---------- */
.nav{position:sticky;top:0;z-index:50;background:rgba(11,11,13,.88);backdrop-filter:blur(14px);border-bottom:1px solid var(--line)}
.nav-in{max-width:var(--max);margin:0 auto;padding:0 32px;height:66px;display:flex;align-items:center;gap:34px}
.brand{font-size:18px;font-weight:800;letter-spacing:-.03em;white-space:nowrap}
.brand span{color:var(--accent)}
.brand small{display:block;font-size:8.5px;letter-spacing:.3em;color:var(--dim);font-weight:600;margin-top:-2px}
.nav-links{display:flex;gap:28px;font-size:13px;color:var(--muted);flex:1}
.nav-links a{padding:4px 0;transition:.15s}
.nav-links a:hover,.nav-links a.on{color:var(--text)}
.nav-links a.on{border-bottom:2px solid var(--accent)}
.nav-r{display:flex;align-items:center;gap:14px;font-size:12.5px;color:var(--muted)}
.nav-r .bag{border:1px solid var(--line2);padding:8px 14px;border-radius:99px;color:var(--text);white-space:nowrap}
.nav-r .bag b{color:var(--accent);font-weight:700}
.nav-r .user{border:1px solid var(--line);padding:8px 14px;border-radius:99px}
.nav-r .user-out{font-size:11.5px;color:var(--dim);white-space:nowrap}
.nav-r .user-out:hover{color:var(--accent)}
.nav-toggle{display:none;font-size:20px;line-height:1}
.mobile-tab{display:none}

/* ---------- 通用组件 ---------- */
.btn{display:inline-flex;align-items:center;justify-content:center;gap:8px;padding:13px 26px;border-radius:var(--radius);font-size:13px;font-weight:700;letter-spacing:.04em;transition:.16s}
.btn-primary{background:var(--accent);color:#fff}
.btn-primary:hover{background:#F0744A;transform:translateY(-1px)}
.btn-ghost{border:1px solid var(--line2);color:var(--text)}
.btn-ghost:hover{border-color:var(--text);background:rgba(255,255,255,.04)}
.btn-dark{background:var(--panel3);color:var(--text)}
.btn-sm{padding:8px 14px;font-size:11.5px}
.btn-block{width:100%}
.btn:disabled{opacity:.45;cursor:not-allowed;transform:none}
.kicker{font-size:10.5px;letter-spacing:.3em;color:var(--accent);font-weight:700;text-transform:uppercase}
.sec{padding:64px 0}
.sec-hd{display:flex;justify-content:space-between;align-items:flex-end;border-bottom:1px solid var(--line);padding-bottom:16px;margin-bottom:26px;gap:16px;flex-wrap:wrap}
.sec-hd h2{font-size:30px;font-weight:800;letter-spacing:-.04em;margin-top:5px}
.sec-hd .more{font-size:12px;color:var(--muted)}
.sec-hd .more:hover{color:var(--accent)}
.tag{display:inline-block;font-size:10px;letter-spacing:.1em;padding:3px 8px;border:1px solid var(--line2);color:var(--muted);border-radius:2px}
.tag.acc{border-color:var(--accent);color:var(--accent)}
.divider{height:1px;background:var(--line)}

/* ---------- 首页 Hero ---------- */
.hero{position:relative;min-height:600px;display:flex;align-items:center;overflow:hidden;border-bottom:1px solid var(--line)}
.hero-bg{position:absolute;inset:0;width:100%;height:100%;object-fit:cover;filter:brightness(.62) saturate(.82)}
.hero-tall{display:none}
.hero:after{content:"";position:absolute;inset:0;background:linear-gradient(90deg,rgba(6,6,8,.94) 0%,rgba(6,6,8,.6) 48%,rgba(6,6,8,.12) 100%),linear-gradient(0deg,rgba(11,11,13,.9),transparent 38%)}
.hero-in{position:relative;z-index:2;max-width:var(--max);margin:0 auto;padding:96px 32px;width:100%}
.hero h1{font-size:76px;line-height:1.02;font-weight:800;letter-spacing:-.055em;margin:20px 0 20px}
.hero h1 em{font-style:normal;color:transparent;-webkit-text-stroke:1.4px var(--text)}
.hero p{font-size:14px;color:#C5C1B8;line-height:1.9;max-width:440px;margin-bottom:30px}
.hero-btns{display:flex;gap:12px;flex-wrap:wrap}
.hero-foot{position:absolute;z-index:2;right:32px;bottom:34px;display:flex;align-items:center;gap:14px;font-size:11px;letter-spacing:.18em;color:#B9B5AC}
.hero-foot .bar{width:110px;height:2px;background:#3A3A40;position:relative}
.hero-foot .bar i{position:absolute;left:0;top:0;width:30px;height:2px;background:var(--accent)}

/* ---------- 胶片带 ---------- */
.film{padding:30px 0 6px}
.film-hd{display:flex;justify-content:space-between;font-size:10.5px;letter-spacing:.24em;color:var(--dim);margin-bottom:14px}
.film-hd b{color:var(--text);font-size:11px;letter-spacing:.14em}
.strip{display:flex;gap:9px;overflow-x:auto;padding-bottom:8px;scrollbar-width:thin;scrollbar-color:var(--line2) transparent}
.strip::-webkit-scrollbar{height:5px}
.strip::-webkit-scrollbar-thumb{background:var(--line2);border-radius:9px}
.strip a{position:relative;flex:0 0 210px;height:138px;overflow:hidden;border:1px solid var(--line);border-radius:3px}
.strip a img{width:100%;height:100%;object-fit:cover;filter:brightness(.72) saturate(.8);transition:.3s}
.strip a:hover img{filter:brightness(1);transform:scale(1.04)}
.strip a:hover{border-color:var(--accent)}
.strip a span{position:absolute;left:10px;bottom:8px;font-size:10px;letter-spacing:.1em;text-shadow:0 1px 6px #000}
.strip a i{position:absolute;right:8px;top:8px;font-style:normal;font-size:9px;background:var(--accent);padding:2px 6px;border-radius:2px}

/* ---------- 作品卡片 ---------- */
.grid{display:grid;grid-template-columns:repeat(3,1fr);gap:18px}
.grid-3{display:grid;grid-template-columns:repeat(3,1fr);gap:18px}
.card{background:var(--panel);border:1px solid var(--line);border-radius:var(--radius);overflow:hidden;transition:.18s}
.card:hover{border-color:var(--line2);transform:translateY(-3px);box-shadow:0 14px 30px rgba(0,0,0,.35)}
.card-ph{height:230px;position:relative;overflow:hidden;background:var(--panel2)}
.card-ph img{width:100%;height:100%;object-fit:cover;filter:brightness(.88) saturate(.86);transition:.4s}
.card:hover .card-ph img{transform:scale(1.045);filter:brightness(1)}
.card-ph .no{position:absolute;top:10px;left:10px;font-size:9.5px;letter-spacing:.16em;background:rgba(11,11,13,.78);padding:5px 9px;border-radius:2px}
.card-ph .vid{position:absolute;top:10px;right:10px;font-size:9px;background:var(--blue);padding:5px 8px;border-radius:2px}
.card-ph .fav{position:absolute;bottom:10px;right:10px;font-size:9.5px;background:rgba(11,11,13,.78);padding:5px 9px;border-radius:2px;color:var(--muted)}
.card-bd{padding:16px 18px 18px}
.card-bd .cat{font-size:9.5px;letter-spacing:.2em;color:var(--dim)}
.card-bd h3{font-size:19px;font-weight:700;letter-spacing:-.02em;margin:7px 0 5px}
.card-bd .sub{font-size:11px;color:var(--muted);min-height:18px}
.card-bd .prices{display:flex;gap:6px;margin-top:14px;flex-wrap:wrap}
.card-bd .prices span{font-size:10px;color:var(--muted);border:1px solid var(--line);padding:4px 8px;border-radius:3px}
.card-bd .prices span.hi{border-color:var(--accent);color:var(--accent);background:var(--accent-soft)}
.card-bd .row{display:flex;justify-content:space-between;align-items:center;border-top:1px solid var(--line);margin-top:15px;padding-top:13px}
.card-bd .row b{font-size:19px;color:var(--accent);font-weight:800}
.card-bd .row small{font-size:10px;color:var(--dim)}

/* ---------- 筛选 ---------- */
.filters{display:flex;gap:8px;flex-wrap:wrap;align-items:center;padding:22px 0;border-bottom:1px solid var(--line);margin-bottom:24px}
.filters .ch{border:1px solid var(--line2);padding:8px 15px;border-radius:99px;font-size:12px;color:var(--muted);cursor:pointer;transition:.15s;background:transparent}
.filters .ch:hover{color:var(--text)}
.filters .ch.on{background:var(--text);color:var(--bg);border-color:var(--text);font-weight:700}
.filters .sp{flex:1}
.filters select,.filters input[type=search]{background:var(--panel);border:1px solid var(--line2);color:var(--text);padding:9px 12px;border-radius:var(--radius);font-size:12px;outline:none}
.filters select:focus,.filters input:focus{border-color:var(--accent)}

/* ---------- 详情页 ---------- */
.crumb{font-size:11.5px;color:var(--dim);padding:24px 0}
.crumb a:hover{color:var(--accent)}
.detail{display:grid;grid-template-columns:minmax(0,1.15fr) minmax(360px,.85fr);gap:40px;padding-bottom:70px}
.detail-ph{height:480px;border-radius:var(--radius);overflow:hidden;background:var(--panel2)}
.detail-ph img{width:100%;height:100%;object-fit:cover}
.thumbs{display:flex;gap:10px;margin-top:10px}
.thumbs button{width:88px;height:70px;border:2px solid transparent;padding:0;border-radius:4px;overflow:hidden;opacity:.55;transition:.15s}
.thumbs button.on{border-color:var(--accent);opacity:1}
.thumbs button img{width:100%;height:100%;object-fit:cover}
.detail-info .k{font-size:10px;letter-spacing:.28em;color:var(--accent);font-weight:700}
.detail-info h1{font-size:42px;font-weight:800;letter-spacing:-.05em;margin:12px 0 10px;line-height:1.12}
.detail-info .sub{font-size:12.5px;color:var(--muted);line-height:1.9;margin-bottom:20px}
.detail-tags{display:flex;gap:6px;flex-wrap:wrap;margin-bottom:24px}
.spec-title{font-size:11px;letter-spacing:.2em;color:var(--dim);margin-bottom:10px}
.opt{border:1px solid var(--line);border-radius:var(--radius);padding:14px 16px;display:flex;justify-content:space-between;align-items:center;margin-bottom:9px;cursor:pointer;transition:.15s;background:var(--panel)}
.opt:hover{border-color:var(--line2)}
.opt.sel{border-color:var(--accent);background:var(--accent-soft)}
.opt .l{display:flex;gap:11px;align-items:center}
.opt .radio{width:16px;height:16px;border:1px solid var(--line2);border-radius:50%;flex:0 0 16px}
.opt.sel .radio{border:4px solid var(--accent)}
.opt b{font-size:13px;font-weight:600}
.opt small{display:block;font-size:10.5px;color:var(--muted);margin-top:2px;font-weight:400}
.opt .p{font-size:20px;font-weight:800;color:var(--accent)}
.opt .p s{font-size:11px;color:var(--dim);font-weight:400;margin-left:6px}
.buy-line{display:flex;gap:10px;margin-top:16px}
.buy-line .btn-primary{flex:1}
.buy-line .btn-ghost{padding:13px 18px}
.note{background:var(--panel);border:1px solid var(--line);border-left:3px solid var(--accent);border-radius:var(--radius);padding:14px 16px;font-size:11.5px;color:var(--muted);line-height:1.85;margin-top:16px}
.note b{color:var(--text)}
.meta-tbl{margin-top:26px;border-top:1px solid var(--line)}
.meta-tbl div{display:flex;justify-content:space-between;padding:11px 0;border-bottom:1px solid var(--line);font-size:12px}
.meta-tbl div span:first-child{color:var(--dim)}
.meta-tbl div span:last-child{color:var(--muted)}

/* ---------- 表单 / 登录 ---------- */
.auth-wrap{max-width:440px;margin:0 auto;padding:70px 0 100px}
.auth-wrap h1{font-size:34px;font-weight:800;letter-spacing:-.04em;margin:10px 0 8px}
.auth-wrap .tip{font-size:12.5px;color:var(--muted);margin-bottom:28px}
.field{margin-bottom:16px}
.field label{display:block;font-size:11.5px;color:var(--muted);margin-bottom:7px;letter-spacing:.04em}
.field label .req{color:var(--accent)}
.field input,.field select,.field textarea{width:100%;background:var(--panel);border:1px solid var(--line2);color:var(--text);padding:11px 13px;border-radius:var(--radius);outline:none;transition:.15s}
.field input:focus,.field select:focus,.field textarea:focus{border-color:var(--accent)}
.field input::placeholder,.field textarea::placeholder{color:var(--dim)}
.field textarea{min-height:88px;resize:vertical;line-height:1.7}
.field .hint{font-size:10.5px;color:var(--dim);margin-top:5px;line-height:1.6}
.field-row{display:grid;grid-template-columns:1fr 1fr;gap:12px}
.check{display:flex;align-items:center;gap:8px;font-size:12px;color:var(--muted);cursor:pointer}
.check input{width:15px;height:15px;accent-color:var(--accent)}
.auth-switch{text-align:center;margin-top:20px;font-size:12.5px;color:var(--muted)}
.auth-switch a{color:var(--accent);font-weight:600}

/* ---------- 购物车 / 结算 / 订单 ---------- */
.cart-list{border:1px solid var(--line);border-radius:var(--radius);overflow:hidden}
.cart-item{display:grid;grid-template-columns:82px 1fr auto;gap:16px;align-items:center;padding:16px;border-bottom:1px solid var(--line);background:var(--panel)}
.cart-item:last-child{border-bottom:none}
.cart-item img{width:82px;height:82px;object-fit:cover;border-radius:4px}
.cart-item h4{font-size:15px;font-weight:700;margin-bottom:4px}
.cart-item p{font-size:11px;color:var(--muted)}
.cart-item .amt{font-size:19px;font-weight:800;color:var(--accent);white-space:nowrap}
.cart-item .del{font-size:11px;color:var(--dim);margin-top:6px;display:block;text-align:right}
.cart-item .del:hover{color:var(--accent)}
.summary{background:var(--panel);border:1px solid var(--line);border-radius:var(--radius);padding:22px;position:sticky;top:88px}
.summary h3{font-size:15px;font-weight:800;margin-bottom:18px}
.summary .line{display:flex;justify-content:space-between;font-size:12.5px;color:var(--muted);margin-bottom:10px}
.summary .line.total{border-top:1px solid var(--line2);padding-top:14px;margin-top:14px;font-size:17px;color:var(--text);font-weight:800}
.summary .line.total b{color:var(--accent)}
.pay-warn{margin-top:14px;border:1px dashed var(--accent);background:var(--accent-soft);padding:11px 13px;border-radius:4px;font-size:11px;color:#D8A98F;line-height:1.7}
.checkout-grid{display:grid;grid-template-columns:1fr 330px;gap:28px;align-items:start;padding-bottom:80px}
.empty{text-align:center;padding:80px 20px;color:var(--muted)}
.empty .ic{font-size:40px;margin-bottom:14px;opacity:.4}
.empty h3{font-size:19px;color:var(--text);margin-bottom:8px}
.order{border:1px solid var(--line);border-radius:var(--radius);background:var(--panel);margin-bottom:16px;overflow:hidden}
.order-hd{display:flex;justify-content:space-between;align-items:center;padding:13px 18px;background:var(--panel2);border-bottom:1px solid var(--line);font-size:11.5px;color:var(--muted);flex-wrap:wrap;gap:8px}
.order-hd .st{color:var(--ok);font-weight:700}
.order-hd .st.wait{color:var(--accent)}
.order-bd{padding:16px 18px;display:grid;grid-template-columns:70px 1fr auto;gap:14px;align-items:center}
.order-bd img{width:70px;height:70px;object-fit:cover;border-radius:4px}
.order-bd h4{font-size:14px;font-weight:700}
.order-bd p{font-size:11px;color:var(--muted);margin-top:3px}
.order-bd .amt{font-size:17px;font-weight:800}
.delivery{margin:0 18px 18px;background:#101613;border:1px solid #25402F;border-radius:var(--radius);padding:14px 16px}
.delivery .t{font-size:10.5px;letter-spacing:.18em;color:var(--ok);font-weight:700;margin-bottom:10px}
.delivery .ln{display:flex;justify-content:space-between;gap:12px;font-size:12px;margin-bottom:7px;align-items:center;flex-wrap:wrap}
.delivery .ln span:first-child{color:var(--muted)}
.delivery .ln a{color:var(--text);text-decoration:underline;text-decoration-color:var(--ok);word-break:break-all}
.delivery .ln code{background:#1B2A20;color:#BFE6CD;padding:3px 9px;border-radius:3px;font-size:11.5px}
.copy-btn{border:1px solid #2F5940;color:var(--ok);padding:4px 10px;border-radius:3px;font-size:10.5px}
.copy-btn:hover{background:#1C3324}

/* ---------- 页脚 ---------- */
.footer{border-top:1px solid var(--line);padding:34px 0;margin-top:40px}
.footer-in{display:flex;justify-content:space-between;gap:20px;flex-wrap:wrap;font-size:11px;color:var(--dim);letter-spacing:.06em}
.footer a:hover{color:var(--accent)}

/* ---------- 后台 ---------- */
.admin-login{min-height:100vh;display:flex;align-items:center;justify-content:center;padding:24px;background:radial-gradient(circle at 50% 0%,#1D1512,#0B0B0D 60%)}
.admin-shell{display:grid;grid-template-columns:220px 1fr;min-height:100vh}
.admin-side{background:#0E0E11;border-right:1px solid var(--line);padding:24px 16px;position:sticky;top:0;height:100vh;display:flex;flex-direction:column}
.admin-side .brand{margin:0 8px 30px}
.admin-side nav{display:flex;flex-direction:column;gap:3px;flex:1}
.admin-side nav button{text-align:left;padding:10px 12px;border-radius:4px;font-size:12.5px;color:var(--muted);display:flex;gap:10px;align-items:center}
.admin-side nav button:hover{background:var(--panel2);color:var(--text)}
.admin-side nav button.on{background:var(--accent-soft);color:var(--accent);font-weight:700}
.admin-side .out{border-top:1px solid var(--line);padding-top:14px;font-size:11.5px;color:var(--dim)}
.admin-main{padding:28px 32px 70px;min-width:0}
.admin-hd{display:flex;justify-content:space-between;align-items:center;gap:16px;margin-bottom:24px;flex-wrap:wrap}
.admin-hd h1{font-size:26px;font-weight:800;letter-spacing:-.04em}
.admin-hd .sub{font-size:11.5px;color:var(--muted);margin-top:3px}
.stats{display:grid;grid-template-columns:repeat(4,1fr);gap:14px;margin-bottom:26px}
.stat{background:var(--panel);border:1px solid var(--line);border-radius:var(--radius);padding:18px}
.stat .k{font-size:10.5px;color:var(--dim);letter-spacing:.1em}
.stat .v{font-size:28px;font-weight:800;margin-top:6px;letter-spacing:-.03em}
.stat .v.acc{color:var(--accent)}
.panel{background:var(--panel);border:1px solid var(--line);border-radius:var(--radius);padding:22px;margin-bottom:20px}
.panel > h3{font-size:15px;font-weight:800;margin-bottom:4px}
.panel > .sub{font-size:11.5px;color:var(--muted);margin-bottom:20px}
.tbl{width:100%;border-collapse:collapse;font-size:12px}
.tbl th{text-align:left;color:var(--dim);font-weight:600;font-size:10.5px;letter-spacing:.1em;padding:10px 12px;border-bottom:1px solid var(--line)}
.tbl td{padding:12px;border-bottom:1px solid var(--line);color:var(--muted);vertical-align:middle}
.tbl tr:last-child td{border-bottom:none}
.tbl td b{color:var(--text);font-weight:600}
.tbl .thumb{width:42px;height:42px;object-fit:cover;border-radius:4px}
.tbl .acts{display:flex;gap:8px}
.tbl .acts button{font-size:11px;color:var(--accent)}
.tbl .acts button.gray{color:var(--muted)}
.badge{display:inline-block;font-size:10px;padding:3px 8px;border-radius:3px;border:1px solid var(--line2);color:var(--muted)}
.badge.on{color:var(--ok);border-color:#2C5540;background:#122018}
.badge.off{color:var(--dim)}
.badge.acc{color:var(--accent);border-color:var(--accent);background:var(--accent-soft)}
.form-grid{display:grid;grid-template-columns:repeat(2,1fr);gap:0 16px}
.form-grid .full{grid-column:1/-1}
.cover-slots{display:flex;gap:10px;flex-wrap:wrap}
.cover-slot{width:120px;height:100px;border:1px dashed var(--line2);border-radius:5px;display:flex;align-items:center;justify-content:center;position:relative;overflow:hidden;background:var(--panel2);color:var(--dim);font-size:11px;text-align:center;cursor:pointer}
.cover-slot img{width:100%;height:100%;object-fit:cover}
.cover-slot .rm{position:absolute;top:4px;right:4px;background:rgba(0,0,0,.75);color:#fff;border-radius:3px;padding:2px 6px;font-size:10px}
.cover-slot:hover{border-color:var(--accent)}
.sku-box{border:1px solid var(--line);border-radius:var(--radius);padding:16px;margin-bottom:12px;background:var(--panel2)}
.sku-box .t{font-size:12.5px;font-weight:700;margin-bottom:14px;display:flex;justify-content:space-between;align-items:center}
.sku-box .t .badge{font-weight:400}
.link-row{display:grid;grid-template-columns:150px 1fr 110px;gap:10px;align-items:end}
.link-row .field{margin:0}
.admin-actions{display:flex;gap:10px;justify-content:flex-end;padding-top:18px;border-top:1px solid var(--line);margin-top:8px;flex-wrap:wrap}
.toggle{display:inline-flex;align-items:center;gap:8px;font-size:11.5px;color:var(--muted);cursor:pointer}
.toggle input{accent-color:var(--accent);width:15px;height:15px}
.kv{display:flex;justify-content:space-between;padding:10px 0;border-bottom:1px solid var(--line);font-size:12px}
.kv span:first-child{color:var(--muted)}
.kv span:last-child{color:var(--text)}

/* ---------- 反馈 ---------- */
.toast{position:fixed;left:50%;bottom:32px;transform:translateX(-50%) translateY(20px);background:#F2EFE8;color:#111;padding:12px 22px;border-radius:6px;font-size:12.5px;font-weight:600;z-index:200;opacity:0;pointer-events:none;transition:.22s;box-shadow:0 10px 30px rgba(0,0,0,.4);max-width:90vw;text-align:center}
.toast.show{opacity:1;transform:translateX(-50%) translateY(0)}
.modal-bg{position:fixed;inset:0;background:rgba(0,0,0,.75);z-index:150;display:flex;align-items:center;justify-content:center;padding:20px}
.modal{background:var(--panel);border:1px solid var(--line2);border-radius:10px;padding:26px;max-width:420px;width:100%}
.modal h3{font-size:19px;font-weight:800;margin-bottom:10px}
.modal p{font-size:12.5px;color:var(--muted);line-height:1.8;margin-bottom:20px}

/* ---------- 人像竖构图：统一把视觉焦点上移，避免裁掉面部 ---------- */
/* 示例图均为东亚（中国/黄种人）面孔人像；竖图在横卡片里默认保留额头。
   首页桌面端用横构图 hero.jpg、移动端用上方留白的 hero-mobile.jpg，保证两个端都不切脸。 */
.hero-bg,.strip a img,.card-ph img,.detail-ph img,.thumbs button img,
.cart-item img,.order-bd img,.tbl .thumb,.cover-slot img{object-position:center 24%}
.hero-wide{object-position:center 50%}
.hero-tall{object-position:center 20%}

/* ---------- 响应式 ---------- */
@media(max-width:1024px){
  .grid{grid-template-columns:repeat(2,1fr)}
  .hero h1{font-size:58px}
  .detail{grid-template-columns:1fr;gap:26px}
  .detail-ph{height:400px}
  .checkout-grid{grid-template-columns:1fr}
  .summary{position:static}
  .stats{grid-template-columns:repeat(2,1fr)}
  .admin-shell{grid-template-columns:180px 1fr}
  .admin-main{padding:24px 20px 60px}
}
@media(max-width:768px){
  .container,.nav-in{padding:0 18px}
  .nav-in{height:58px;gap:14px}
  .nav-links{display:none}
  .nav-links.open{display:flex;position:absolute;top:58px;left:0;right:0;flex-direction:column;gap:0;background:#101013;border-bottom:1px solid var(--line);padding:8px 18px 14px}
  .nav-links.open a{padding:11px 0;border-bottom:1px solid var(--line)}
  .nav-links.open a.on{border-bottom:1px solid var(--line)}
  .nav-toggle{display:block;margin-right:auto}
  .nav-r .user{display:none}
  .nav-r .bag{padding:7px 11px;font-size:11px}
  .hero{min-height:560px}
  .hero-wide{display:none}
  .hero-tall{display:block}
  .hero-in{padding:78px 18px}
  .hero h1{font-size:46px;letter-spacing:-.05em}
  .hero p{font-size:12.5px}
  .hero-foot{right:18px;bottom:22px}
  .sec{padding:44px 0}
  .sec-hd h2{font-size:24px}
  .grid{grid-template-columns:1fr;gap:14px}
  .grid-3{grid-template-columns:1fr;gap:12px}
  .card-ph{height:220px}
  .strip a{flex-basis:150px;height:110px}
  .filters{gap:7px}
  .filters .ch{padding:7px 12px;font-size:11px}
  .filters .sp{display:none}
  .detail-ph{height:330px}
  .detail-info h1{font-size:32px}
  .thumbs button{width:70px;height:56px}
  .cart-item{grid-template-columns:64px 1fr;gap:12px}
  .cart-item img{width:64px;height:64px}
  .cart-item .amt{grid-column:2;text-align:right;margin-top:-30px}
  .order-bd{grid-template-columns:56px 1fr;gap:10px}
  .order-bd img{width:56px;height:56px}
  .order-bd .amt{grid-column:2;text-align:right}
  .footer-in{flex-direction:column;gap:8px}
  .field-row,.form-grid,.link-row{grid-template-columns:1fr}
  .stats{grid-template-columns:repeat(2,1fr);gap:10px}
  .admin-shell{grid-template-columns:1fr}
  .admin-side{position:static;height:auto;flex-direction:row;align-items:center;overflow-x:auto;padding:12px;gap:10px}
  .admin-side .brand{margin:0 10px 0 0;white-space:nowrap}
  .admin-side nav{flex-direction:row;gap:4px}
  .admin-side nav button{white-space:nowrap;padding:8px 10px;font-size:11.5px}
  .admin-side .out{display:none}
  .admin-main{padding:20px 16px 90px}
  .panel{padding:16px}
  .tbl{display:block;overflow-x:auto;white-space:nowrap}
  .mobile-tab{display:flex;position:fixed;bottom:0;left:0;right:0;height:62px;background:rgba(13,13,15,.97);border-top:1px solid var(--line);z-index:60;align-items:center;justify-content:space-around;backdrop-filter:blur(12px)}
  .mobile-tab a{display:flex;flex-direction:column;align-items:center;gap:3px;font-size:9.5px;color:var(--dim);letter-spacing:.05em}
  .mobile-tab a i{width:17px;height:17px;border:1.4px solid var(--dim);border-radius:4px;display:block}
  .mobile-tab a.on{color:var(--accent)}
  .mobile-tab a.on i{background:var(--accent);border-color:var(--accent)}
  body{padding-bottom:62px}
  .toast{bottom:78px}
}
@media(max-width:400px){
  .hero h1{font-size:40px}
  .buy-line{flex-direction:column}
  .cover-slot{width:calc(50% - 5px)}
}