:root{
  --bg:#fbfbfa; --sb:#f7f7f5; --card:#fff; --gold:#b8933f; --ink:#1d1c1a;
  --muted:#8a8781; --line:#e5e4e0; --soft:#f4f3ef; --danger:#a3402f;
  --radius:10px;
}
*{box-sizing:border-box}
html,body{margin:0;padding:0}
body{
  background:var(--bg); color:var(--ink);
  font-family:-apple-system,BlinkMacSystemFont,"SF Pro Text","Helvetica Neue","PingFang SC","Hiragino Sans GB","Microsoft YaHei",sans-serif;
  font-weight:500; font-size:14px; line-height:1.55;
  -webkit-font-smoothing:antialiased;
  -webkit-tap-highlight-color:transparent;
}
button,select,input{font-family:inherit;font-weight:500;color:inherit}
a{color:inherit;text-decoration:none}
::selection{background:#f0e6d2}

/* ---------- sidebar ---------- */
.sb{
  position:fixed; inset:0 auto 0 0; width:240px; background:var(--sb);
  border-right:1px solid var(--line); display:flex; flex-direction:column;
  padding:22px 18px 16px; z-index:30;
}
.brand{display:flex; align-items:center; gap:10px; padding:0 4px 18px}
.mark{
  width:30px;height:30px;border-radius:8px;background:var(--gold);color:#fff;
  display:flex;align-items:center;justify-content:center;font-size:15px;font-weight:600;letter-spacing:.02em
}
.btext .name{font-size:15px;letter-spacing:.01em}
.btext .sub{font-size:9px;letter-spacing:.14em;color:var(--muted);text-transform:uppercase;margin-top:1px;white-space:nowrap}
.btext .sub.zh{font-size:10.5px;letter-spacing:.06em;text-transform:none;margin-top:0}

.cats{display:flex;flex-direction:column;gap:2px;margin:2px 0 14px}
.cat{
  display:flex;align-items:center;justify-content:space-between;gap:8px;
  padding:8px 10px;border-radius:8px;cursor:pointer;border:0;background:none;
  font-size:13.5px;color:#3a3833;text-align:left;width:100%;
}
.cat:hover{background:#efeee9;color:var(--ink)}
.cat.active{background:#fff;color:var(--ink);border:1px solid var(--line)}
.cat .n{font-size:11.5px;color:var(--muted)}
.cat.active .n{color:var(--gold)}

.filters{display:flex;flex-direction:column;gap:10px;padding-top:14px;border-top:1px solid var(--line)}
.fgroup{display:flex;flex-direction:column;gap:4px}
.fgroup label{font-size:10.5px;letter-spacing:.1em;text-transform:uppercase;color:var(--muted);padding-left:2px}
.fgroup select{
  appearance:none;-webkit-appearance:none;width:100%;padding:8px 30px 8px 10px;
  border:1px solid var(--line);border-radius:8px;background:#fff url("data:image/svg+xml;utf8,<svg xmlns='http://www.w3.org/2000/svg' width='10' height='6'><path d='M1 1l4 4 4-4' fill='none' stroke='%238a8781' stroke-width='1.3'/></svg>") no-repeat right 11px center;
  font-size:13px;outline:none;
}
.fgroup select:focus{border-color:#c9c5bc}
.sb-foot{margin-top:auto;padding:14px 4px 2px;font-size:11.5px;color:var(--muted)}

.scrim{display:none}
.mbrand{display:none}
.sb-close{display:none}

/* ---------- main ---------- */
.main{margin-left:240px;min-height:100vh}
.tp{
  position:sticky;top:0;z-index:20;display:flex;align-items:center;gap:12px;
  padding:16px 26px;background:var(--bg);border-bottom:1px solid var(--line);
}
.search{position:relative;flex:0 1 420px}
.search svg{position:absolute;left:11px;top:50%;transform:translateY(-50%);width:15px;height:15px;fill:none;stroke:#a09d96;stroke-width:1.6;stroke-linecap:round}
.search input{
  width:100%;padding:9px 12px 9px 33px;border:1px solid var(--line);border-radius:8px;
  background:#fff;font-size:13.5px;outline:none;
}
.search input::placeholder{color:#a9a69f}
.search input:focus{border-color:#cfcbc2}
.sort{
  appearance:none;padding:9px 28px 9px 11px;border:1px solid var(--line);border-radius:8px;background:#fff;
  font-size:13px;outline:none;
}
.lang{
  margin-left:auto;padding:8px 14px;border:1px solid var(--line);border-radius:20px;background:#fff;
  font-size:12.5px;cursor:pointer;letter-spacing:.02em;
}
.lang:hover{border-color:#cfcbc2}
.icon-btn{display:none;border:1px solid var(--line);background:#fff;border-radius:8px;width:38px;height:38px;font-size:15px;cursor:pointer}

.chips{display:none;gap:8px;padding:12px 16px 4px;overflow-x:auto;-webkit-overflow-scrolling:touch}
.chip{
  flex:0 0 auto;padding:7px 13px;border:1px solid var(--line);background:#fff;border-radius:16px;
  font-size:12.5px;cursor:pointer;white-space:nowrap;
}
.chip.active{background:var(--ink);border-color:var(--ink);color:#fff}

.grid{
  display:grid;grid-template-columns:repeat(4,minmax(0,1fr));gap:16px;
  padding:20px 26px 64px;
}
.card{
  background:var(--card);border:1px solid var(--line);border-radius:var(--radius);
  overflow:hidden;cursor:pointer;transition:border-color .16s ease;touch-action:manipulation;
}
.card:hover{border-color:#d3cfc6}
.media{position:relative;aspect-ratio:1/1;background:var(--soft);overflow:hidden}
.media img{position:absolute;inset:0;width:100%;height:100%;object-fit:contain}
.media video{position:absolute;inset:0;width:100%;height:100%;object-fit:contain;background:transparent;opacity:0;transition:opacity .18s ease}
.media video.on{opacity:1}
.playbadge{
  position:absolute;right:8px;bottom:8px;width:28px;height:28px;border-radius:50%;
  background:#fff;border:1px solid var(--line);display:flex;align-items:center;justify-content:center;
  font-size:10px;color:var(--ink);padding-left:2px;
}
.info{padding:11px 12px 13px}
.price{font-size:19px;letter-spacing:-.01em;display:flex;align-items:baseline;gap:5px}
.price .cur{font-size:10px;letter-spacing:.1em;color:var(--muted);text-transform:uppercase}
.name{font-size:13.5px;margin-top:3px;line-height:1.35}
.spec{font-size:11.5px;color:var(--muted);margin-top:3px;line-height:1.45}

.empty{padding:60px 26px;color:var(--muted);font-size:13px}

/* ---------- player ---------- */
.player{
  position:fixed;inset:0;z-index:60;background:rgba(12,12,12,.955);
  display:flex;align-items:center;justify-content:center;
}
.player[hidden]{display:none}
.player video{max-width:min(94vw,1100px);max-height:82vh;background:#000;border-radius:6px}
.pclose{
  position:absolute;top:18px;right:20px;width:38px;height:38px;border-radius:50%;
  border:1px solid rgba(255,255,255,.28);background:transparent;color:#fff;font-size:15px;cursor:pointer;
}
.pinfo{position:absolute;left:26px;bottom:22px;right:26px;color:#fff;max-width:900px}
.prow{display:flex;align-items:baseline;gap:16px;flex-wrap:wrap}
.pname{font-size:17px}
.pprice{font-size:17px;color:#e6c67d}
.pspec{font-size:12.5px;color:rgba(255,255,255,.62);margin-top:4px}

/* ---------- admin ---------- */
.admin-wrap{max-width:1180px;margin:0 auto;padding:28px 24px 80px}
.admin-head{display:flex;align-items:center;gap:14px;margin-bottom:18px;flex-wrap:wrap}
.admin-head h1{font-size:19px;margin:0;font-weight:600}
.admin-head .sp{flex:1}
.btn{
  display:inline-flex;align-items:center;gap:6px;padding:8px 14px;border:1px solid var(--line);
  background:#fff;border-radius:8px;font-size:13px;cursor:pointer;
}
.btn:hover{border-color:#cfcbc2}
.btn.primary{background:var(--ink);border-color:var(--ink);color:#fff}
.btn.gold{background:var(--gold);border-color:var(--gold);color:#fff}
.btn.danger{color:var(--danger)}
table.tbl{width:100%;border-collapse:collapse;background:#fff;border:1px solid var(--line);border-radius:10px;overflow:hidden}
.tbl th,.tbl td{padding:9px 10px;border-bottom:1px solid var(--line);text-align:left;vertical-align:middle;font-size:12.5px}
.tbl th{font-size:10.5px;letter-spacing:.08em;text-transform:uppercase;color:var(--muted);font-weight:500;background:#faf9f7}
.tbl tr:last-child td{border-bottom:0}
.tbl img{width:46px;height:46px;object-fit:contain;background:var(--soft);border-radius:6px;display:block}
.tbl .mini{width:84px}
.tbl input.price{width:88px;padding:6px 8px;border:1px solid var(--line);border-radius:6px;font-size:12.5px}
.tbl .unrev{color:var(--danger)}
.tag{display:inline-block;padding:2px 8px;border-radius:10px;font-size:11px;border:1px solid var(--line);background:#fff}
.tag.live{background:#f2f6ef;border-color:#d9e5d2;color:#42663a}
.tag.draft{background:#faf3ee;border-color:#eadbcd;color:#8a5a34}
.form{background:#fff;border:1px solid var(--line);border-radius:10px;padding:20px;max-width:760px}
.form .row{display:grid;grid-template-columns:1fr 1fr;gap:14px;margin-bottom:12px}
.form label{display:block;font-size:11px;letter-spacing:.08em;text-transform:uppercase;color:var(--muted);margin-bottom:4px}
.form input[type=text],.form input[type=number],.form select,.form textarea{
  width:100%;padding:9px 10px;border:1px solid var(--line);border-radius:8px;font-size:13.5px;outline:none;background:#fff;
}
.form textarea{min-height:90px;resize:vertical}
.form .hint{font-size:11.5px;color:var(--muted);margin-top:2px}
.flash{padding:10px 14px;border:1px solid #d9e5d2;background:#f2f6ef;color:#42663a;border-radius:8px;margin-bottom:14px;font-size:13px}
.login{max-width:360px;margin:14vh auto;padding:26px;background:#fff;border:1px solid var(--line);border-radius:12px}
.login h1{font-size:17px;margin:0 0 4px}
.login p{color:var(--muted);font-size:12.5px;margin:0 0 18px}
.login input{width:100%;padding:10px;border:1px solid var(--line);border-radius:8px;margin-bottom:10px;font-size:14px}
.login button{width:100%;padding:10px;border-radius:8px;border:0;background:var(--ink);color:#fff;font-size:14px;cursor:pointer}
.err{color:var(--danger);font-size:12.5px;margin-bottom:10px}

/* ---------- responsive ---------- */
@media (min-width:900px) and (max-width:1279px){ .grid{grid-template-columns:repeat(3,minmax(0,1fr))} }
@media (min-width:1600px){ .grid{grid-template-columns:repeat(5,minmax(0,1fr))} }
@media (max-width:899px){
  .mbrand{display:flex;align-items:baseline;gap:8px;padding:14px 14px 6px}
  .mb-name{font-size:17px;letter-spacing:.01em}
  .mb-sub{font-size:9px;letter-spacing:.1em;color:var(--muted);text-transform:uppercase}
  .sb-close{display:flex;align-items:center;justify-content:center;position:absolute;top:14px;right:12px;
    width:34px;height:34px;border:1px solid var(--line);background:#fff;border-radius:50%;font-size:12px;cursor:pointer}
  .sb{transform:translateX(-104%);transition:transform .2s ease;width:272px}
  body.nav-open .sb{transform:none;border-right:1px solid var(--line)}
  body.nav-open .scrim{display:block;position:fixed;inset:0;background:rgba(20,20,20,.28);z-index:25}
  .main{margin-left:0}
  .tp{padding:10px 12px;gap:8px;min-height:60px}
  .icon-btn{display:block;width:40px;height:40px;font-size:16px}
  .search{flex:1}
  .search input{padding:11px 12px 11px 34px;font-size:16px}
  .fgroup select{font-size:16px}
  .sort{display:none}
  .lang{padding:9px 13px;font-size:12.5px}
  .chips{display:flex;padding:10px 12px 2px;gap:7px}
  .chip{padding:8px 14px;font-size:12.5px;border-radius:18px}
  .chip-filter{color:var(--muted)}
  .grid{padding:12px 12px calc(44px + env(safe-area-inset-bottom))}

  /* 手机默认：单列大卡（视频优先） */
  body[data-m="feed"] .grid{grid-template-columns:1fr;gap:16px}
  body[data-m="feed"] .card{border-radius:12px}
  body[data-m="feed"] .media{aspect-ratio:1/1}
  body[data-m="feed"] .info{padding:12px 14px 15px}
  body[data-m="feed"] .price{font-size:22px}
  body[data-m="feed"] .name{font-size:15px;margin-top:4px}
  body[data-m="feed"] .spec{font-size:12.5px;margin-top:4px}
  body[data-m="feed"] .playbadge{width:40px;height:40px;font-size:13px;right:10px;bottom:10px}

  /* 备选：两列紧凑（购物站式） */
  body[data-m="grid"] .grid{grid-template-columns:repeat(2,minmax(0,1fr));gap:9px;padding:10px 10px calc(44px + env(safe-area-inset-bottom))}
  body[data-m="grid"] .media{aspect-ratio:1/1}
  body[data-m="grid"] .info{padding:8px 9px 10px;min-height:78px}
  body[data-m="grid"] .price{font-size:16px;gap:4px}
  body[data-m="grid"] .price .cur{font-size:9px}
  body[data-m="grid"] .name{font-size:11.5px;margin-top:2px;line-height:1.3;
    display:-webkit-box;-webkit-line-clamp:2;-webkit-box-orient:vertical;overflow:hidden}
  body[data-m="grid"] .spec{font-size:10px;margin-top:2px;line-height:1.35;
    display:-webkit-box;-webkit-line-clamp:2;-webkit-box-orient:vertical;overflow:hidden}
  body[data-m="grid"] .playbadge{width:30px;height:30px;font-size:9px;right:6px;bottom:6px}

  .player video{max-width:100vw;max-height:72vh;max-height:72dvh}
  .pclose{width:44px;height:44px;top:14px;right:14px}
  .pinfo{left:16px;right:16px;bottom:calc(16px + env(safe-area-inset-bottom))}
  .pname{font-size:15px}
  .pprice{font-size:15px}
  .pspec{font-size:11.5px}
}
@media (min-width:600px) and (max-width:899px){
  body[data-m="feed"] .grid{grid-template-columns:repeat(2,minmax(0,1fr))}
}