:root{
  --bg:#f3f6f8;
  --card:#ffffff;
  --ink:#1d2429;
  --ink-2:#4e5a63;
  --ink-3:#8794a0;
  --line:#e3e9ee;
  --brand:#c0392b;
  --brand-soft:#fdeceb;
  --accent:#0f6f8c;
  --accent-soft:#e7f2f7;
  --radius:14px;
  --shadow:0 1px 2px rgba(24,40,52,.05),0 6px 18px rgba(24,40,52,.06);
  --safe-top:env(safe-area-inset-top,0px);
  --safe-bottom:env(safe-area-inset-bottom,0px);
}

*{box-sizing:border-box;-webkit-tap-highlight-color:transparent}
html{-webkit-text-size-adjust:100%}
body{
  margin:0;
  background:var(--bg);
  color:var(--ink);
  font:16px/1.5 -apple-system,BlinkMacSystemFont,"PingFang SC","Hiragino Sans GB","Microsoft YaHei","Source Han Sans SC",sans-serif;
  padding-bottom:calc(24px + var(--safe-bottom));
  overflow-x:hidden;
}
body.locked{overflow:hidden}
img{display:block;max-width:100%}
button,select,input{font:inherit;color:inherit}

/* ---------------------------------------------------------------- 顶栏 */
.topbar{
  position:sticky;top:0;z-index:30;
  padding:calc(10px + var(--safe-top)) 14px 10px;
  background:linear-gradient(180deg,#ffffff 0%,#f8fbfd 100%);
  border-bottom:1px solid var(--line);
}
.brandrow{display:flex;align-items:flex-start;justify-content:space-between;gap:10px}
.brandrow[hidden]{display:none}
.brand{display:flex;align-items:baseline;gap:8px;flex-wrap:wrap;min-width:0}
.brand[hidden]{display:none}
.brand h1{margin:0;font-size:19px;font-weight:700;letter-spacing:.5px}
.brand p{margin:0;font-size:12px;color:var(--accent);font-weight:600}
/* 右上角的用户图标（进后台用） */
.icon-btn{
  flex:none;display:flex;align-items:center;justify-content:center;
  width:36px;height:36px;padding:0;margin-left:auto;
  border:1px solid var(--line);border-radius:50%;
  background:#fff;color:var(--ink-2);
}
.icon-btn svg{width:19px;height:19px;fill:currentColor}
.icon-btn:active{transform:scale(.94)}
.brandrow:not([hidden]) + .search{margin-top:10px}
.search{
  display:flex;align-items:center;gap:8px;
  margin-top:10px;padding:0 10px;
  height:40px;
  background:#fff;border:1px solid var(--line);border-radius:11px;
}
.search:focus-within{border-color:#9ecbdd;box-shadow:0 0 0 3px rgba(15,111,140,.09)}
.search svg{width:17px;height:17px;flex:none;fill:var(--ink-3)}
.search input{flex:1;min-width:0;height:100%;border:0;background:none;outline:none;font-size:15px}
.search input::-webkit-search-cancel-button{display:none}
.search .clear{
  flex:none;width:26px;height:26px;border:0;border-radius:50%;
  background:#eef3f6;color:var(--ink-2);font-size:12px;line-height:1;
}

/* ---------------------------------------------------------------- 分类 */
.cats{
  position:sticky;top:var(--stick,100px);z-index:29;
  display:flex;gap:8px;
  padding:10px 14px;
  overflow-x:auto;overflow-y:hidden;
  background:var(--bg);
  scrollbar-width:none;
  -webkit-overflow-scrolling:touch;
  scroll-behavior:smooth;
  border-bottom:1px solid var(--line);
}
.cats::-webkit-scrollbar{display:none}
.cat{
  flex:none;white-space:nowrap;
  padding:7px 13px;
  border:1px solid var(--line);border-radius:999px;
  background:#fff;color:var(--ink-2);
  font-size:13.5px;
}
.cat:active{transform:scale(.97)}
.cat[aria-pressed="true"]{background:var(--accent);border-color:var(--accent);color:#fff;font-weight:600}
.cat .n{opacity:.6;font-size:12px;margin-left:3px}

/* ---------------------------------------------------------------- 工具条 */
.toolbar{
  display:flex;align-items:center;justify-content:space-between;gap:10px;
  padding:10px 14px 2px;
}
.info{font-size:12.5px;color:var(--ink-3)}
.tools{display:flex;align-items:center;gap:8px}
.tools select{padding:6px 8px;border:1px solid var(--line);border-radius:9px;background:#fff;font-size:13px}
.viewswitch{display:flex;border:1px solid var(--line);border-radius:9px;overflow:hidden;background:#fff}
.viewswitch button{border:0;background:transparent;color:var(--ink-2);padding:6px 11px;font-size:13px}
.viewswitch button[aria-pressed="true"]{background:var(--ink);color:#fff;font-weight:600}

/* ---------------------------------------------------------------- 列表 */
.grid{
  display:grid;
  grid-template-columns:repeat(2,minmax(0,1fr));
  gap:11px;
  padding:12px 12px 4px;
}
.grid[hidden]{display:none}
@media (min-width:560px){ .grid{grid-template-columns:repeat(3,minmax(0,1fr))} }
@media (min-width:900px){ .grid{grid-template-columns:repeat(4,minmax(0,1fr));gap:14px} }
@media (min-width:1280px){ .grid{grid-template-columns:repeat(5,minmax(0,1fr))} }

.card{
  position:relative;
  display:flex;flex-direction:column;
  background:var(--card);
  border:1px solid var(--line);
  border-radius:var(--radius);
  overflow:hidden;
  box-shadow:var(--shadow);
  text-align:left;
  padding:0;
  cursor:pointer;
  content-visibility:auto;
  contain-intrinsic-size:auto 236px;   /* 与真实卡片高度一致，滚动时不会跳动 */
}
.card:active{transform:scale(.985)}

.thumb{position:relative;aspect-ratio:4/3;background:#eef3f6;overflow:hidden}
.thumb img{
  position:relative;z-index:1;
  width:100%;height:100%;
  object-fit:cover;
  animation:fadeIn .35s ease both;
}
@keyframes fadeIn{from{opacity:0}to{opacity:1}}
.thumb::before{
  content:"";
  position:absolute;inset:0;z-index:0;
  background:linear-gradient(100deg,#eaeff3 30%,#f6f9fb 50%,#eaeff3 70%);
  background-size:220% 100%;
  animation:shimmer 1.25s linear infinite;
}
@keyframes shimmer{from{background-position:130% 0}to{background-position:-30% 0}}
.thumb .none{
  position:absolute;inset:0;z-index:2;display:flex;align-items:center;justify-content:center;
  color:var(--ink-3);font-size:12.5px;letter-spacing:1px;
}

.badge{
  position:absolute;left:0;top:8px;z-index:2;
  padding:3px 9px 3px 8px;
  background:rgba(29,36,41,.82);color:#fff;
  font-size:12px;font-weight:600;letter-spacing:.3px;
  border-radius:0 8px 8px 0;
  max-width:88%;
  overflow:hidden;text-overflow:ellipsis;white-space:nowrap;
}
.multi{
  position:absolute;right:7px;top:7px;z-index:2;
  padding:2px 7px;border-radius:7px;
  background:rgba(255,255,255,.9);color:var(--ink-2);
  font-size:11px;font-weight:600;
}
.hot{
  position:absolute;right:7px;top:7px;z-index:3;
  padding:2px 7px;border-radius:7px;
  background:linear-gradient(135deg,#e8b04b,#d98b1f);color:#fff;
  font-size:11px;font-weight:700;
}
.hot + .multi{top:30px}
.tags{
  position:absolute;left:8px;bottom:8px;z-index:2;
  display:flex;flex-wrap:wrap;gap:4px;max-width:calc(100% - 16px);
}
.tags span{
  padding:2px 7px;border-radius:7px;
  background:rgba(255,255,255,.94);color:#0d5c74;
  border:1px solid rgba(15,111,140,.35);
  font-size:11px;font-weight:700;letter-spacing:.3px;
}
.tag-mini{
  display:inline-block;margin:1px 0 1px 4px;padding:1px 5px;border-radius:5px;
  background:var(--accent-soft);color:#0d5c74;font-size:10.5px;font-weight:700;vertical-align:middle;
}
.chips .chip-tag{background:var(--accent-soft);border-color:#bfdcea;color:#0d5c74;font-weight:700}
.card-body{padding:8px 9px 10px;display:flex;flex-direction:column;gap:5px;flex:1}
.card-title{
  font-size:13.5px;line-height:1.4;font-weight:600;
  display:-webkit-box;-webkit-line-clamp:2;-webkit-box-orient:vertical;
  overflow:hidden;
  min-height:2.8em;
}
.card-sub{
  font-size:11.5px;color:var(--ink-3);
  overflow:hidden;text-overflow:ellipsis;white-space:nowrap;
}
.card-foot{margin-top:auto;display:flex;align-items:flex-end;justify-content:space-between;gap:6px}
.price{
  color:var(--brand);font-weight:800;
  font-size:18px;line-height:1;letter-spacing:-.3px;
  white-space:nowrap;
}
.price .cur{font-size:12.5px;font-weight:700;margin-right:1px}
.color-tag{
  flex:none;max-width:52%;
  padding:2px 7px;border-radius:6px;
  background:var(--brand-soft);color:#8f2b23;
  font-size:11px;font-weight:600;
  overflow:hidden;text-overflow:ellipsis;white-space:nowrap;
}
.color-tag.only{margin-left:auto;max-width:100%}

/* ---------------------------------------------------------------- 更多 / 页脚 */
.loadarea{padding:14px 14px 0;text-align:center;min-height:40px}
.load-more{
  width:100%;max-width:420px;
  padding:13px;border:1px solid var(--line);border-radius:12px;
  background:#fff;color:var(--ink);font-size:15px;font-weight:600;
  box-shadow:var(--shadow);
}
.load-more:active{transform:scale(.99)}
.sentinel{height:8px}
.hint{margin:8px 0 0;font-size:12px;color:var(--ink-3);min-height:1.2em}
.empty{padding:56px 20px;text-align:center;color:var(--ink-3)}
.empty p{margin:0 0 14px}
.empty button{padding:9px 18px;border:1px solid var(--line);border-radius:10px;background:#fff}
.foot{
  margin:22px 14px 0;padding:16px 0 8px;
  border-top:1px solid var(--line);
  color:var(--ink-3);font-size:12.5px;line-height:1.7;
}
.foot[hidden]{display:none}
.foot p{margin:0 0 4px}

.totop{
  position:fixed;right:14px;
  bottom:calc(18px + var(--safe-bottom));
  z-index:40;
  width:44px;height:44px;border:1px solid var(--line);border-radius:50%;
  background:rgba(255,255,255,.95);color:var(--ink);
  font-size:19px;line-height:1;
  box-shadow:0 6px 20px rgba(24,40,52,.14);
  backdrop-filter:blur(6px);
}

/* ---------------------------------------------------------------- 详情弹层 */
/* 注意：必须保留 [hidden] 规则，否则未打开时这层会盖住页面、导致全部点不动 */
.sheet{position:fixed;inset:0;z-index:60;display:flex;align-items:flex-end}
.sheet[hidden]{display:none}
.sheet-backdrop{position:absolute;inset:0;background:rgba(20,28,34,.45);opacity:0;transition:opacity .25s ease}
.sheet.open .sheet-backdrop{opacity:1}
.sheet-panel{
  position:relative;
  width:100%;max-height:92svh;
  display:flex;flex-direction:column;
  background:var(--bg);
  border-radius:18px 18px 0 0;
  box-shadow:0 -8px 40px rgba(20,28,34,.28);
  transform:translateY(100%);
  transition:transform .3s cubic-bezier(.22,.8,.28,1);
  padding-bottom:var(--safe-bottom);
}
.sheet.open .sheet-panel{transform:translateY(0)}
@media (min-width:820px){
  .sheet{align-items:center;justify-content:center}
  .sheet-panel{max-width:720px;border-radius:18px;max-height:88vh}
  .sheet-panel{transform:translateY(18px) scale(.98);opacity:0;transition:opacity .2s,transform .25s}
  .sheet.open .sheet-panel{opacity:1;transform:none}
}
.sheet-bar{flex:none;display:flex;align-items:center;justify-content:space-between;padding:12px 14px 8px}
.sheet-bar::before{
  content:"";position:absolute;left:50%;top:6px;transform:translateX(-50%);
  width:40px;height:4px;border-radius:2px;background:#dbe3e8;
}
@media (min-width:820px){ .sheet-bar::before{display:none} }
.sheet-index{font-size:12.5px;color:var(--ink-3)}
.sheet-close{width:34px;height:34px;border:0;border-radius:50%;background:#e9eff3;color:var(--ink-2);font-size:14px}
.gallery{position:relative;flex:none;background:#fff;border-top:1px solid var(--line);border-bottom:1px solid var(--line)}
.slides{
  display:flex;
  overflow-x:auto;
  scroll-snap-type:x mandatory;
  scrollbar-width:none;
  -webkit-overflow-scrolling:touch;
  aspect-ratio:4/3;
  max-height:52svh;
}
.slides::-webkit-scrollbar{display:none}
.slides figure{
  flex:0 0 100%;margin:0;
  scroll-snap-align:center;
  display:flex;align-items:center;justify-content:center;
  background:#fafbfc;
}
.slides img{width:100%;height:100%;object-fit:contain}
.dots{position:absolute;left:0;right:0;bottom:8px;display:flex;justify-content:center;gap:6px}
.dots i{width:6px;height:6px;border-radius:50%;background:rgba(40,55,65,.25)}
.dots i.on{background:var(--ink);width:16px;border-radius:3px}

/* 多图时的滑动引导：左右箭头 + 第几张/共几张 + 一次性提示 */
.gnav{
  position:absolute;top:50%;transform:translateY(-50%);z-index:4;
  width:46px;height:46px;padding:0 0 4px;
  border:0;border-radius:50%;
  background:rgba(255,255,255,.92);color:var(--ink);
  font-size:26px;line-height:1;
  display:flex;align-items:center;justify-content:center;
  box-shadow:0 2px 12px rgba(24,40,52,.22);
  transition:opacity .2s,transform .15s;
}
.gnav:active{transform:translateY(-50%) scale(.92)}
.gnav.prev{left:10px}
.gnav.next{right:10px}
.gnav[hidden]{display:none}
.gnav:disabled{opacity:.22;box-shadow:none}
.gcount{
  position:absolute;right:10px;top:10px;z-index:4;
  padding:3px 10px;border-radius:12px;
  background:rgba(29,36,41,.62);color:#fff;
  font-size:12px;font-weight:600;letter-spacing:.5px;
}
.gcount[hidden]{display:none}
.swipehint{
  position:absolute;left:50%;bottom:30px;transform:translateX(-50%);z-index:4;
  padding:7px 15px;border-radius:18px;
  background:rgba(29,36,41,.74);color:#fff;
  font-size:12.5px;white-space:nowrap;
  pointer-events:none;
  animation:hintPulse 1.5s ease-in-out infinite;
}
.swipehint[hidden]{display:none}
@keyframes hintPulse{0%,100%{opacity:.82}50%{opacity:1}}
.sheet-body{flex:1;overflow-y:auto;padding:14px 16px 6px;-webkit-overflow-scrolling:touch}
.sheet-title{display:flex;align-items:baseline;justify-content:space-between;gap:12px}
.sheet-title strong{font-size:19px;letter-spacing:.4px}
.sheet-title .price{font-size:24px}
.chips{display:flex;flex-wrap:wrap;gap:6px;margin:10px 0 2px}
.chips span{padding:3px 9px;border-radius:7px;background:#fff;border:1px solid var(--line);font-size:12px;color:var(--ink-2)}
.specs{margin:14px 0 0;display:grid;grid-template-columns:auto 1fr;gap:0}
.specs dt,.specs dd{margin:0;padding:9px 0;border-top:1px dashed var(--line);font-size:14px}
.specs dt{color:var(--ink-3);width:6.6em;white-space:nowrap;padding-right:10px}
.specs dd{color:var(--ink);white-space:pre-line;word-break:break-word}
.specs dd.p{color:var(--brand);font-weight:800;font-size:16px}

/* ---------------------------------------------------------------- 表格视图 */
.tablewrap{
  margin:12px 10px 0;
  overflow-x:auto;
  -webkit-overflow-scrolling:touch;
  background:#fff;
  border:1px solid var(--line);
  border-radius:var(--radius);
  box-shadow:var(--shadow);
}
.tablewrap[hidden]{display:none}
.ptable{border-collapse:collapse;width:100%;min-width:880px;font-size:13px}
.ptable th,.ptable td{
  border-bottom:1px solid var(--line);
  padding:9px 10px;vertical-align:middle;text-align:left;
}
.ptable thead th{background:#f1f5f8;color:var(--ink-2);font-weight:700;font-size:12.5px;white-space:nowrap}
.ptable tbody tr:active{background:#f7fafc}
.ptable tbody tr:last-child td{border-bottom:0}
.ptable .c-img{width:104px}
.ptable td.c-img{padding:6px}
.ptable td.c-img img{
  width:92px;height:70px;object-fit:cover;border-radius:8px;background:#eef3f6;
  animation:fadeIn .35s ease both;
}
.ptable td.c-img .nopic{
  display:flex;align-items:center;justify-content:center;
  width:92px;height:70px;border-radius:8px;background:#eef3f6;
  color:var(--ink-3);font-size:11.5px;
}
.ptable .c-model{width:84px}
.ptable .c-model b{font-size:14px}
.ptable .c-name{width:150px;font-weight:600}
.ptable .c-spec{min-width:200px;font-weight:500}
.ptable .c-size{width:120px;color:var(--ink-2)}
.ptable .c-mat{width:150px;color:var(--ink-2);white-space:pre-line}
.ptable .c-color{width:110px;color:var(--ink-2)}
.ptable .c-price{width:96px;white-space:nowrap;text-align:right}
.ptable .price{font-size:16px}
.tablewrap::-webkit-scrollbar{height:6px}
.tablewrap::-webkit-scrollbar-thumb{background:#cfdae1;border-radius:3px}
.sheet-actions{
  flex:none;display:flex;gap:8px;
  padding:10px 14px calc(12px + var(--safe-bottom));
  border-top:1px solid var(--line);background:#fff;
}
.sheet-actions button{
  flex:1;padding:12px 6px;border:1px solid var(--line);border-radius:11px;
  background:#fff;font-size:14.5px;font-weight:600;
}
.sheet-actions .primary{flex:1.5;background:var(--accent);border-color:var(--accent);color:#fff}
.sheet-actions button:disabled{opacity:.4}

.toast{
  position:fixed;left:50%;bottom:calc(80px + var(--safe-bottom));
  transform:translateX(-50%);
  z-index:80;
  max-width:80vw;
  padding:10px 18px;border-radius:22px;
  background:rgba(29,36,41,.9);color:#fff;font-size:13.5px;
  animation:pop .22s ease;
}
@keyframes pop{from{opacity:0;transform:translate(-50%,8px)}to{opacity:1;transform:translate(-50%,0)}}

/* ---------------------------------------------------------------- 首页还没有商品时的提示 */
.welcome{
  margin:26px 14px 0;padding:22px 18px;
  background:#fff;border:1px solid var(--line);border-radius:var(--radius);
  box-shadow:var(--shadow);color:var(--ink-2);font-size:13.5px;line-height:1.8;
}
.welcome b{color:var(--ink)}


.icp-record {
  text-align: center;
  font-size: 0.75rem;
  color: #999;
  padding: 1rem 0 2rem 0; /* 上下留白 */
}
.icp-record a {
  color: #999;
  text-decoration: none;
}
.icp-record a:hover {
  color: #666;
  text-decoration: underline;
}