:root {
  --jd: #e1251b;
  --jd-dark: #c1170e;
  --ink: #17181c;
  --mid: #6b7280;
  --line: #edeff3;
  --bg: #f5f6f8;
  --card: #fff;
  --radius: 12px;
}

* { box-sizing: border-box; -webkit-tap-highlight-color: transparent; }

body {
  margin: 0;
  background: var(--bg);
  color: var(--ink);
  font: 14px/1.5 -apple-system, "PingFang SC", "Microsoft YaHei", "Helvetica Neue", Arial, sans-serif;
  -webkit-font-smoothing: antialiased;
}

/* ===== 顶部：品牌 + 搜索 ===== */
.jhead {
  position: sticky; top: 0; z-index: 20;
  background: rgba(255, 255, 255, .96);
  backdrop-filter: saturate(180%) blur(10px);
  border-bottom: 1px solid var(--line);
  padding: 10px 0 12px;
}
.jhead-inner { width: min(1180px, 100% - 24px); margin: 0 auto; }
.jbrand {
  display: inline-flex; align-items: center; gap: 8px;
  font-size: 17px; font-weight: 800; letter-spacing: -.2px; color: var(--ink); text-decoration: none;
  margin-bottom: 9px;
}
.jdot { width: 10px; height: 10px; border-radius: 50%; background: var(--jd); box-shadow: 0 0 0 4px rgba(225, 37, 27, .12); }

.jsearch { display: flex; gap: 8px; }
.jinput {
  flex: 1; min-width: 0; height: 38px; padding: 0 14px;
  border: 1px solid var(--line); border-radius: 999px; background: #f3f4f7;
  font-size: 14px; color: var(--ink); outline: none; transition: .15s;
}
.jinput::placeholder { color: #9aa1ac; }
.jinput:focus { background: #fff; border-color: var(--jd); box-shadow: 0 0 0 3px rgba(225, 37, 27, .1); }
.jbtn {
  height: 38px; padding: 0 20px; border: 0; border-radius: 999px;
  background: var(--jd); color: #fff; font-weight: 700; font-size: 14px; cursor: pointer;
}
.jbtn:hover { background: var(--jd-dark); }

/* ===== 频道 ===== */
.jmain { width: min(1180px, 100% - 24px); margin: 0 auto; padding-bottom: 20px; }
.jchannels {
  display: flex; gap: 8px; overflow-x: auto; padding: 12px 0 4px;
  scrollbar-width: none;
}
.jchannels::-webkit-scrollbar { display: none; }
.jch {
  flex: none; padding: 7px 15px; border-radius: 999px; background: #fff;
  border: 1px solid var(--line); color: var(--mid); text-decoration: none;
  font-size: 13px; font-weight: 600; white-space: nowrap;
}
.jch:hover { color: var(--ink); border-color: #dfe3ea; }
.jch.on { background: var(--jd); border-color: var(--jd); color: #fff; }

/* ===== 商品瀑布 ===== */
.jgrid {
  display: grid; grid-template-columns: repeat(2, 1fr); gap: 10px; margin-top: 12px;
}
.jcard {
  display: flex; flex-direction: column; background: var(--card);
  border-radius: var(--radius); overflow: hidden; text-decoration: none; color: inherit;
  border: 1px solid var(--line); transition: .16s;
}
.jcard:hover { transform: translateY(-2px); box-shadow: 0 12px 24px rgba(20, 30, 50, .08); }
.jcover { position: relative; aspect-ratio: 1 / 1; background: #fafbfc; }
.jcover img { width: 100%; height: 100%; object-fit: cover; display: block; }
.jbadge {
  position: absolute; left: 8px; top: 8px; padding: 2px 8px; border-radius: 6px;
  background: var(--jd); color: #fff; font-size: 11px; font-weight: 700;
  box-shadow: 0 3px 8px rgba(225, 37, 27, .32);
}
.jbody { padding: 9px 10px 11px; display: flex; flex-direction: column; gap: 5px; flex: 1; }
.jtitle {
  margin: 0; font-size: 13px; font-weight: 600; line-height: 1.42; color: var(--ink);
  display: -webkit-box; -webkit-line-clamp: 2; -webkit-box-orient: vertical; overflow: hidden; min-height: 37px;
}
.jtags { display: flex; flex-wrap: wrap; gap: 4px; }
.jtag {
  padding: 1px 6px; border-radius: 5px; background: #fff1f0; color: var(--jd);
  font-size: 10.5px; font-weight: 600;
}
.jprice { display: flex; align-items: baseline; gap: 1px; color: var(--jd); margin-top: auto; }
.jprice .cur { font-size: 12px; font-weight: 700; }
.jprice .num { font-size: 20px; font-weight: 800; letter-spacing: -.5px; font-variant-numeric: tabular-nums; }
.jprice .jnote { margin-left: 5px; font-size: 10.5px; color: var(--mid); font-weight: 500; }
.jmeta { font-size: 11px; color: #9aa1ac; line-height: 1.3; }
.jgo { font-size: 11.5px; font-weight: 700; color: var(--jd); }

/* ===== 分页 / 状态 ===== */
.jpager { display: flex; align-items: center; justify-content: center; gap: 10px; padding: 18px 0 6px; }
.jpg {
  padding: 8px 18px; border-radius: 999px; background: #fff; border: 1px solid var(--line);
  color: var(--mid); text-decoration: none; font-size: 13px; font-weight: 600;
}
.jpg:hover { color: var(--ink); border-color: #dfe3ea; }
.jpg.off { opacity: .4; pointer-events: none; }
.jpginfo { color: var(--mid); font-size: 12px; }

.jresult {
  margin: 12px 0 0; padding: 10px 13px; background: #fff; border: 1px solid var(--line);
  border-radius: var(--radius); color: var(--mid); font-size: 13px;
  display: flex; align-items: center; gap: 8px; justify-content: space-between;
}
.jresult b { color: var(--jd); }
.jreset { color: var(--jd); text-decoration: none; font-weight: 600; font-size: 12.5px; white-space: nowrap; }

.jhint {
  margin: 10px 0 0; padding: 10px 13px; border-radius: var(--radius);
  background: #fff8ec; border: 1px solid #ffe1b8; color: #8a5a00; font-size: 12.5px;
}
.jhint code { background: #fff; padding: 1px 5px; border-radius: 5px; font-size: 11.5px; }

.jempty {
  margin-top: 14px; padding: 54px 20px; text-align: center; color: var(--mid);
  background: #fff; border-radius: var(--radius); border: 1px solid var(--line);
}
.jalert {
  margin-top: 14px; padding: 16px 18px; background: #fff;
  border: 1px solid #ffd8d4; border-left: 4px solid var(--jd); border-radius: var(--radius);
}
.jalert b { color: var(--jd); }
.jalert p { margin: 6px 0 0; color: var(--mid); font-size: 13px; }

.jnote { margin: 16px 0 28px; color: #9aa1ac; font-size: 11.5px; }
.jfoot {
  width: min(1180px, 100% - 24px); margin: 0 auto; padding: 16px 0 30px;
  border-top: 1px solid var(--line); color: #9aa1ac; font-size: 11.5px;
  display: flex; gap: 10px; flex-wrap: wrap; justify-content: space-between;
}

mark { background: #fff3c4; color: inherit; padding: 0 1px; border-radius: 3px; }

@media (min-width: 720px) {
  .jgrid { grid-template-columns: repeat(3, 1fr); gap: 12px; }
  .jtitle { font-size: 13.5px; }
}
@media (min-width: 1080px) {
  .jgrid { grid-template-columns: repeat(4, 1fr); gap: 14px; }
  .jprice .num { font-size: 22px; }
}

/* 顶部导航（热销榜 / 京粉精选 / 猜你喜欢） */
.jnav { display: flex; gap: 4px; margin: 0 0 9px; overflow-x: auto; scrollbar-width: none; }
.jnav::-webkit-scrollbar { display: none; }
.jnavlink {
  padding: 5px 12px; border-radius: 999px; color: var(--mid);
  text-decoration: none; font-size: 12.5px; font-weight: 600; white-space: nowrap;
}
.jnavlink:hover { background: #f1f2f5; color: var(--ink); }
.jnavlink.on { background: #fff1f0; color: var(--jd); }

/* 转链页 */
.jlinkbox { display: flex; gap: 8px; margin-top: 10px; }
.jlinkinput {
  flex: 1; min-width: 0; height: 38px; padding: 0 12px; border-radius: 10px;
  border: 1px solid var(--line); background: #f7f8fa; color: var(--ink);
  font-size: 12px; font-family: ui-monospace, Menlo, monospace;
}
.jcopy {
  height: 38px; padding: 0 16px; border: 0; border-radius: 10px;
  background: var(--jd); color: #fff; font-weight: 700; font-size: 13px; cursor: pointer; flex: none;
}
.jcopy:hover { background: var(--jd-dark); }

/* 单品转链页：图片限高，保证价格/券一屏可见 */
.jcover-fit { aspect-ratio: auto; height: 220px; }
.jcover-fit img { object-fit: contain; background: #fff; }

/* 转链页：多行粘贴框 */
.jsearch-multi { align-items: flex-start; }
.jtextarea {
  height: auto; min-height: 62px; padding: 10px 14px; border-radius: 14px;
  line-height: 1.5; resize: vertical; font-family: inherit; font-size: 13px;
}
.jsearch-multi .jbtn { height: 46px; }