:root{
  --bg:#0a0c14;
  --bg2:#0f1320;
  --panel:#141a2b;
  --panel2:#1b2236;
  --line:rgba(255,255,255,.08);
  --txt:#e9edf6;
  --muted:#8b93a7;
  --brand:#7c5cff;
  --brand2:#21d4fd;
  --gold:#ffd27a;
  --ok:#36d399;
  --danger:#ff5c7c;
  --radius:16px;
  --shadow:0 10px 40px rgba(0,0,0,.45);
  --grad:linear-gradient(120deg,var(--brand),var(--brand2));
}
*{box-sizing:border-box;margin:0;padding:0}
html,body{height:100%}
body{
  font-family:"PingFang SC","Microsoft YaHei",system-ui,-apple-system,"Segoe UI",Roboto,Helvetica,Arial,sans-serif;
  background:
    radial-gradient(1200px 600px at 80% -10%,rgba(124,92,255,.18),transparent 60%),
    radial-gradient(900px 500px at -10% 10%,rgba(33,212,253,.12),transparent 55%),
    var(--bg);
  color:var(--txt);
  line-height:1.55;
  -webkit-font-smoothing:antialiased;
}
a{color:inherit;text-decoration:none}
[hidden]{display:none !important}
.wrap{max-width:none;margin:0;padding:0 clamp(16px,3vw,40px)}
.grad{background:var(--grad);-webkit-background-clip:text;background-clip:text;color:transparent}
button{font-family:inherit;cursor:pointer;border:none;background:none;color:inherit}

/* 顶栏 */
.topbar{position:sticky;top:0;z-index:50;backdrop-filter:blur(14px);
  background:rgba(10,12,20,.72);border-bottom:1px solid var(--line)}
.topbar-inner{display:flex;align-items:center;gap:18px;height:64px;padding:0 clamp(16px,3vw,40px)}
.brand{display:flex;align-items:center;gap:10px;font-weight:800;font-size:18px}
.brand-mark{width:34px;height:34px;border-radius:10px;display:grid;place-items:center;
  background:var(--grad);color:#fff;font-weight:900;box-shadow:0 6px 18px rgba(124,92,255,.45)}
.brand-logo{width:34px;height:34px;object-fit:contain;display:block;flex:0 0 auto;
  filter:drop-shadow(0 4px 12px rgba(33,212,253,.35))}
.cat-nav{display:flex;gap:6px;flex:1;overflow:auto;scrollbar-width:none}
.cat-nav::-webkit-scrollbar{display:none}
.cat-nav a{padding:7px 13px;border-radius:999px;color:var(--muted);font-size:14px;white-space:nowrap;transition:.2s}
.cat-nav a:hover,.cat-nav a.active{color:#fff;background:var(--panel2)}
.top-actions{display:flex;align-items:center;gap:12px;margin-left:auto}
.icon-btn{position:relative;width:42px;height:42px;border-radius:12px;background:var(--panel);
  display:grid;place-items:center;color:var(--txt);transition:.2s;border:1px solid var(--line)}
.icon-btn:hover{background:var(--panel2);transform:translateY(-1px)}
.cart-badge{position:absolute;top:-6px;right:-6px;min-width:20px;height:20px;padding:0 5px;
  border-radius:999px;background:var(--danger);color:#fff;font-size:12px;font-weight:700;display:grid;place-items:center}
.ghost-btn{padding:9px 14px;border-radius:12px;border:1px solid var(--line);color:var(--muted);font-size:14px}
.ghost-btn:hover{color:#fff;border-color:var(--brand)}

/* Hero */
.hero{position:relative;overflow:hidden;padding:78px 0 56px}
.hero-inner{position:relative;text-align:center}
.hero-glow{position:absolute;inset:-40% 0 auto 0;height:420px;margin:auto;width:720px;
  background:radial-gradient(closest-side,rgba(124,92,255,.35),transparent);filter:blur(30px);z-index:-1}
.hero-title{font-size:clamp(30px,5vw,52px);font-weight:900;letter-spacing:-.5px}
.hero-sub{color:var(--muted);margin:16px auto 0;max-width:560px;font-size:16px}
.hero-cta{display:flex;gap:14px;justify-content:center;margin-top:28px;flex-wrap:wrap}
.btn-primary{display:inline-block;padding:13px 26px;border-radius:12px;background:var(--grad);color:#fff;
  font-weight:700;box-shadow:0 10px 30px rgba(124,92,255,.4);transition:.2s}
.btn-primary:hover{transform:translateY(-2px);box-shadow:0 14px 38px rgba(124,92,255,.5)}
.btn-primary.block{display:block;width:100%;text-align:center}
.btn-line{padding:13px 26px;border-radius:12px;border:1px solid var(--line);color:var(--txt);font-weight:600;transition:.2s}
.btn-line:hover{border-color:var(--brand2);color:#fff}
.hero-stats{display:flex;gap:34px;justify-content:center;margin-top:40px;flex-wrap:wrap}
.hero-stats .st{text-align:center}
.hero-stats .num{font-size:26px;font-weight:800;background:var(--grad);-webkit-background-clip:text;background-clip:text;color:transparent}
.hero-stats .lab{color:var(--muted);font-size:13px}

/* 区块 */
.block{margin-top:42px}
.block-head{display:flex;align-items:center;justify-content:space-between;margin-bottom:18px}
.block-head h2{font-size:22px;font-weight:800}
.more{color:var(--brand2);font-size:14px;font-weight:600}

/* 首页左右布局 + 左侧栏 */
.home-layout{display:grid;grid-template-columns:268px minmax(0,1fr) 300px;gap:22px;padding:24px clamp(16px,3vw,40px) 60px;align-items:start}
/* 首页三栏 · 左/右栏为贯穿全屏的竖排栏 */
.home-side,.home-right{
  position:sticky;top:88px;align-self:start;height:calc(100vh - 112px);
  background:var(--panel);border:1px solid var(--line);border-radius:var(--radius);
  padding:8px;display:flex;flex-direction:column;overflow:auto;scrollbar-width:thin}
.home-side::-webkit-scrollbar,.home-right::-webkit-scrollbar{width:6px}
.home-side::-webkit-scrollbar-thumb,.home-right::-webkit-scrollbar-thumb{background:var(--line);border-radius:8px}
.side-card{padding:14px 10px}
.side-card + .side-card{border-top:1px solid var(--line)}
.side-card h4{font-size:13px;color:var(--muted);margin-bottom:12px;text-transform:uppercase;letter-spacing:.5px;
  display:flex;align-items:center;gap:8px}
.side-card h4::before{content:"";width:4px;height:14px;border-radius:3px;background:var(--grad)}
.cat-list{display:flex;flex-direction:column;gap:2px;flex:1}
.cat-list a{display:flex;align-items:center;gap:10px;padding:9px 11px;border-radius:10px;color:var(--muted);font-size:14px;transition:.2s}
.cat-list a:hover,.cat-list a.active{background:var(--panel2);color:#fff}
.cat-list a .dot{width:8px;height:8px;border-radius:50%;flex:0 0 auto;background:var(--grad)}
.notice ul{list-style:none;display:flex;flex-direction:column;gap:9px}
.notice li{position:relative;padding-left:16px;font-size:13px;color:var(--muted);line-height:1.6}
.notice li::before{content:"";position:absolute;left:2px;top:8px;width:6px;height:6px;border-radius:50%;background:var(--brand)}
.side-contact{display:flex;flex-direction:column;gap:9px}
.side-contact a{display:flex;align-items:center;gap:9px;padding:10px 12px;border-radius:11px;background:var(--panel2);
  border:1px solid var(--line);font-size:14px;color:var(--txt);transition:.2s}
.side-contact a:hover{border-color:var(--brand2);color:#fff}
/* 客服 Telegram 二维码：图片自带透明圆角，不垫底色/描边，
   让面板色直接透出；宽度撑满侧栏卡片 */
.tg-qr{margin-top:14px;padding-top:14px;border-top:1px dashed var(--line);text-align:center}
.tg-qr img{display:block;width:100%;height:auto;margin:0 auto 8px;border-radius:14px;transition:.2s}
.tg-qr a:hover img{transform:translateY(-2px);filter:drop-shadow(0 6px 16px rgba(0,0,0,.28))}
.tg-qr-note{font-size:12px;color:var(--muted)}
/* 多个客服二维码之间的分隔 */
.tg-qr + .tg-qr{margin-top:10px;padding-top:12px}
.rank-list{display:flex;flex-direction:column;gap:4px}
.rank-item{display:flex;align-items:center;gap:11px;padding:9px 8px;border-radius:10px;transition:.2s}
.rank-item:hover{background:var(--panel2)}
.rank-no{width:22px;height:22px;flex:0 0 auto;border-radius:7px;display:grid;place-items:center;font-size:12px;font-weight:800;
  background:var(--panel2);color:var(--muted)}
.rank-item.top1 .rank-no{background:linear-gradient(120deg,#ffd27a,#ff8a5c);color:#1a1205}
.rank-item.top2 .rank-no{background:linear-gradient(120deg,#d7e1ff,#9fb4ff);color:#10204a}
.rank-item.top3 .rank-no{background:linear-gradient(120deg,#ffc09a,#ff9a6b);color:#3a1505}
.rank-mid{flex:1;min-width:0}
.rank-name{font-size:14px;font-weight:600;white-space:nowrap;overflow:hidden;text-overflow:ellipsis}
.rank-name:hover{color:#fff}
.rank-price{font-size:12px;color:var(--gold);font-weight:700;margin-top:2px}

/* 横幅 */
.banner-track{display:flex;gap:14px;overflow:auto;scrollbar-width:none;padding-bottom:4px}
.banner-track::-webkit-scrollbar{display:none}
.banner{position:relative;flex:0 0 auto;width:100%;max-width:560px;height:160px;border-radius:var(--radius);
  overflow:hidden;border:1px solid var(--line);background:linear-gradient(120deg,var(--panel2),var(--panel))}
.banner img{width:100%;height:100%;object-fit:cover}
.banner .cap{position:absolute;left:18px;bottom:16px;font-weight:700;font-size:18px;text-shadow:0 2px 10px rgba(0,0,0,.6)}

/* 商品网格 */
.grid{display:grid;grid-template-columns:repeat(auto-fill,minmax(min(100%,240px),1fr));gap:18px}
.card{background:var(--panel);border:1px solid var(--line);border-radius:var(--radius);overflow:hidden;
  transition:.22s;display:flex;flex-direction:column}
.card:hover{transform:translateY(-4px);border-color:rgba(124,92,255,.5);box-shadow:var(--shadow)}
.card .thumb{aspect-ratio:4/3;background:linear-gradient(135deg,var(--panel2),#0e1422);position:relative;overflow:hidden}
.card .thumb img{width:100%;height:100%;object-fit:cover}
.card .tag{position:absolute;left:10px;top:10px;background:rgba(10,12,20,.7);border:1px solid var(--line);
  color:var(--gold);font-size:12px;padding:3px 9px;border-radius:999px;backdrop-filter:blur(6px)}
.card .body{padding:14px;display:flex;flex-direction:column;gap:8px;flex:1}
.card .name{font-weight:700;font-size:15px;line-height:1.35;display:-webkit-box;-webkit-line-clamp:2;-webkit-box-orient:vertical;overflow:hidden;min-height:42px}
.card .meta{display:flex;align-items:center;justify-content:space-between;margin-top:auto}
.price{color:var(--gold);font-weight:800;font-size:18px}
.price small{color:var(--muted);font-weight:600;font-size:12px;margin-right:1px}
.stock{color:var(--muted);font-size:12px}
.card .buy{padding:9px 0;border-radius:10px;background:var(--panel2);text-align:center;font-weight:700;font-size:14px;transition:.2s}
.card .buy:hover{background:var(--grad);color:#fff}

/* 列表页 */
.list-layout{display:grid;grid-template-columns:230px 1fr;gap:26px;padding:30px 0 60px}
.side{position:sticky;top:84px;align-self:start;background:var(--panel);border:1px solid var(--line);border-radius:var(--radius);padding:14px}
.side h4{font-size:13px;color:var(--muted);margin-bottom:10px;text-transform:uppercase;letter-spacing:.5px}
.side a{display:block;padding:9px 12px;border-radius:10px;color:var(--muted);font-size:14px;transition:.2s}
.side a:hover,.side a.active{background:var(--panel2);color:#fff}
.list-head{display:flex;align-items:center;justify-content:space-between;margin-bottom:18px}
.list-head h2{font-size:22px}
.sort select{background:var(--panel);color:var(--txt);border:1px solid var(--line);border-radius:10px;padding:9px 12px;font-size:14px}
.pager{display:flex;gap:8px;justify-content:center;margin-top:26px}
.pager button{padding:8px 14px;border-radius:10px;background:var(--panel);border:1px solid var(--line);color:var(--muted)}
.pager button.active{background:var(--grad);color:#fff;border:none}
.pager button:disabled{opacity:.4;cursor:not-allowed}

/* 详情页 */
.back{display:inline-block;color:var(--muted);margin:24px 0 14px;font-size:14px}
.detail{display:grid;grid-template-columns:1fr 1fr;gap:34px;padding-bottom:60px}
.detail .gallery{background:linear-gradient(135deg,var(--panel2),#0e1422);border-radius:var(--radius);
  aspect-ratio:1/1;display:grid;place-items:center;overflow:hidden;border:1px solid var(--line)}
.detail .gallery img{max-width:100%;max-height:100%;object-fit:contain}
.detail .info h1{font-size:26px;font-weight:800;line-height:1.35}
.detail .info .dprice{font-size:30px;font-weight:800;color:var(--gold);margin:14px 0}
.detail .info .dstock{color:var(--muted);font-size:14px;margin-bottom:14px}
.detail .info .desc{color:var(--muted);font-size:14px;line-height:1.7;margin-bottom:18px;white-space:pre-wrap}
.skus{display:flex;flex-wrap:wrap;gap:10px;margin-bottom:20px}
.sku{padding:10px 15px;border-radius:11px;border:1px solid var(--line);background:var(--panel);font-size:14px;transition:.2s}
.sku.active{border-color:var(--brand);background:var(--panel2);color:#fff}
.dbuy{padding:14px 0;border-radius:13px;background:var(--grad);color:#fff;font-weight:800;font-size:16px;text-align:center;box-shadow:0 10px 30px rgba(124,92,255,.4);transition:.2s}
.dbuy:hover{transform:translateY(-2px)}

/* 空态 */
.empty{text-align:center;color:var(--muted);padding:60px 0;grid-column:1/-1}
.empty .big{font-size:46px;margin-bottom:10px}

/* 页脚 */
.footer{border-top:1px solid var(--line);margin-top:60px;background:rgba(15,19,32,.6)}
.footer-inner{display:flex;justify-content:space-between;gap:20px;padding:34px 20px;flex-wrap:wrap}
.foot-note{color:var(--muted);font-size:13px;margin-top:8px}
.foot-contact{display:flex;gap:12px;align-items:center;flex-wrap:wrap}
.foot-contact a{padding:9px 14px;border-radius:11px;background:var(--panel);border:1px solid var(--line);font-size:14px;color:var(--txt)}
.foot-contact a:hover{border-color:var(--brand2)}
.foot-copy{color:var(--muted);font-size:12px;text-align:center;padding:16px 20px;border-top:1px solid var(--line)}

/* 抽屉/弹窗 */
.drawer-mask,.modal-mask{position:fixed;inset:0;background:rgba(4,6,12,.6);backdrop-filter:blur(3px);z-index:80}
.drawer{position:fixed;top:0;right:0;height:100%;width:380px;max-width:92vw;background:var(--bg2);
  border-left:1px solid var(--line);z-index:90;display:flex;flex-direction:column;box-shadow:var(--shadow)}
.drawer-head{display:flex;justify-content:space-between;align-items:center;padding:18px 20px;border-bottom:1px solid var(--line)}
.drawer-head h3{font-size:18px}
.x{font-size:26px;color:var(--muted);line-height:1}
.drawer-body{flex:1;overflow:auto;padding:16px 20px;display:flex;flex-direction:column;gap:12px}
.cart-item{display:flex;gap:12px;background:var(--panel);border:1px solid var(--line);border-radius:12px;padding:10px}
.cart-item img{width:56px;height:56px;border-radius:9px;object-fit:cover;background:var(--panel2)}
.cart-item .ci-name{font-size:14px;font-weight:600;line-height:1.3}
.cart-item .ci-price{color:var(--gold);font-weight:700;font-size:14px;margin-top:4px}
.cart-item .ci-q{display:flex;align-items:center;gap:8px;margin-top:6px}
.cart-item .ci-q button{width:26px;height:26px;border-radius:8px;background:var(--panel2);border:1px solid var(--line)}
/* "删除"文字按钮：覆盖上面的 26x26 方框，否则文字溢出错位 */
.cart-item .ci-q .ci-del{width:auto;min-width:26px;height:26px;padding:0 10px;margin-left:auto;border-radius:8px;
  font-size:12px;line-height:1;white-space:nowrap;color:var(--danger);background:var(--panel2);border:1px solid var(--line)}
/* 无图商品占位块，避免 <img src=""> 触发裂图 */
.cart-item .ci-thumb{width:56px;height:56px;flex:0 0 auto;border-radius:9px;background:var(--panel2);
  display:flex;align-items:center;justify-content:center;font-size:22px}
.cart-empty{color:var(--muted);text-align:center;padding:40px 0}
.drawer-foot{padding:16px 20px;border-top:1px solid var(--line)}
.cart-total{display:flex;justify-content:space-between;margin-bottom:12px;font-size:15px}
.cart-total b{color:var(--gold);font-size:18px}
.modal{position:fixed;top:50%;left:50%;transform:translate(-50%,-50%);z-index:95;width:440px;max-width:92vw;
  background:var(--bg2);border:1px solid var(--line);border-radius:var(--radius);padding:26px;box-shadow:var(--shadow)}
.modal .x{position:absolute;top:12px;right:16px}
.modal h3{margin-bottom:12px}
.modal p{color:var(--muted);font-size:14px;line-height:1.7}
.modal .row{display:flex;gap:10px;margin-top:18px}
.modal .row .btn-primary,.modal .row .btn-line{flex:1;text-align:center}

/* toast */
.toast{position:fixed;bottom:28px;left:50%;transform:translateX(-50%);z-index:120;background:var(--panel2);
  border:1px solid var(--line);color:#fff;padding:12px 20px;border-radius:12px;box-shadow:var(--shadow);font-size:14px}

/* 骨架 */
.skeleton-card{height:300px;border-radius:var(--radius);background:linear-gradient(100deg,var(--panel),var(--panel2),var(--panel));background-size:200% 100%;animation:sh 1.2s infinite}
.skeleton-detail{height:520px;border-radius:var(--radius);background:linear-gradient(100deg,var(--panel),var(--panel2),var(--panel));background-size:200% 100%;animation:sh 1.2s infinite}
@keyframes sh{0%{background-position:200% 0}100%{background-position:-200% 0}}

@media(max-width:1200px){.home-layout{grid-template-columns:240px minmax(0,1fr)}.home-right{grid-column:1/-1;position:static;height:auto;flex-direction:row;flex-wrap:wrap}.home-right .side-card{flex:1;min-width:240px}.home-right .side-card+.side-card{border-top:none}}
@media(max-width:980px){.detail{grid-template-columns:1fr}.list-layout{grid-template-columns:1fr}.side{position:static;display:flex;flex-wrap:wrap;gap:8px}.side h4{width:100%}.side a{display:inline-block}.home-layout{grid-template-columns:1fr;padding:18px 16px 50px}.topbar-inner{padding:0 16px}.home-side,.home-right{position:static;height:auto;flex-direction:row;flex-wrap:wrap}.home-side .side-card,.home-right .side-card{flex:1;min-width:240px}.home-side .side-card+.side-card,.home-right .side-card+.side-card{border-top:none}}
@media(max-width:680px){.grid{grid-template-columns:repeat(2,1fr)}.cat-nav{display:none}.hero{padding:54px 0 38px}.topbar-inner{padding:0 16px}}

/* ===== 白色主题（与深色主题可来回切换，localStorage 记忆） ===== */
:root[data-theme="light"]{
  --bg:#eef1f7;
  --bg2:#ffffff;
  --panel:#ffffff;
  --panel2:#f0f3f9;
  --line:rgba(20,30,60,.10);
  --txt:#1a2236;
  --muted:#6b7488;
  --gold:#b8800a;
  --ok:#1f9d6b;
  --danger:#e23a5e;
  --shadow:0 10px 40px rgba(20,30,60,.14);
}
html[data-theme="light"] body{
  background:
    radial-gradient(1200px 600px at 80% -10%,rgba(124,92,255,.10),transparent 60%),
    radial-gradient(900px 500px at -10% 10%,rgba(33,212,253,.08),transparent 55%),
    var(--bg);
}
html[data-theme="light"] .topbar{background:rgba(255,255,255,.82)}
html[data-theme="light"] .detail .gallery{background:linear-gradient(135deg,var(--panel2),#e9edf6)}
html[data-theme="light"] .card .thumb{background:linear-gradient(135deg,var(--panel2),#e9edf6)}
html[data-theme="light"] .toast{color:var(--txt)}
html[data-theme="light"] .cat-list a:hover{color:var(--brand)}
html[data-theme="light"] .cat-list a.active{color:var(--brand);background:var(--panel2)}
html[data-theme="light"] .rank-name:hover{color:var(--brand)}
html[data-theme="light"] .side-contact a:hover{color:var(--txt)}
html[data-theme="light"] .btn-line:hover{color:var(--brand)}
html[data-theme="light"] .sku.active{color:var(--brand)}
html[data-theme="light"] .cat-nav a:hover,html[data-theme="light"] .cat-nav a.active{color:var(--brand)}
html[data-theme="light"] .side a:hover,html[data-theme="light"] .side a.active{color:var(--brand)}

/* ---- 结算弹窗 & 订单支付状态页 ---- */
.pay-inp{width:100%;padding:10px 12px;margin-top:10px;border-radius:10px;border:1px solid rgba(127,127,127,.35);background:rgba(127,127,127,.08);color:inherit;font-size:14px;box-sizing:border-box;outline:none}
.pay-inp:focus{border-color:var(--brand)}
.pay-total{font-size:18px;font-weight:700;margin:10px 0}
.pay-card{max-width:560px;margin:0 auto;background:var(--panel2,rgba(127,127,127,.08));border:1px solid rgba(127,127,127,.18);border-radius:14px;padding:18px}
.pay-status{font-size:20px;font-weight:700;margin-bottom:14px}
.pay-status.wait{color:var(--muted,#888)}
.pay-status.ok{color:#22c55e}
.pay-row{display:flex;justify-content:space-between;gap:12px;padding:9px 0;border-bottom:1px dashed rgba(127,127,127,.18);font-size:14px}
.pay-row span{color:var(--muted,#888)}
.pay-row b{word-break:break-all;text-align:right}
.pay-secret{margin-top:14px;background:rgba(34,197,94,.1);border:1px solid rgba(34,197,94,.35);border-radius:10px;padding:12px}
.pay-secret-t{font-size:12px;color:var(--muted,#888);margin-bottom:6px}
.pay-secret-v{font-family:ui-monospace,Menlo,Consolas,monospace;font-size:15px;word-break:break-all;line-height:1.7}