:root{
  --brand1:#ff7a18; --brand2:#ff3d6e; --bg:#fff7f0; --card:#fff;
  --ink:#2a2a2a; --sub:#7a7a7a; --line:#ffe0c7; --ok:#1aa260;
}
*{box-sizing:border-box;margin:0;padding:0}
html,body{background:var(--bg);color:var(--ink);
  font-family:-apple-system,"Segoe UI","Noto Sans TC","PingFang TC",sans-serif;
  -webkit-text-size-adjust:100%}
img{max-width:100%;display:block}
a{color:inherit;text-decoration:none}

/* ---------- Header ---------- */
.site-header{position:sticky;top:0;z-index:20;
  background:linear-gradient(135deg,var(--brand1),var(--brand2));
  color:#fff;text-align:center;padding:16px 12px 10px;
  box-shadow:0 2px 12px rgba(0,0,0,.12);padding-top:calc(16px + env(safe-area-inset-top))}
.brand{font-size:24px;font-weight:800;letter-spacing:1px}
.slogan{font-size:13px;opacity:.92;margin-top:2px}
.platform-tabs{display:flex;gap:8px;justify-content:center;margin-top:12px}
.tab{flex:0 0 auto;min-width:120px;padding:10px 18px;border:0;border-radius:999px;
  font-size:15px;font-weight:700;cursor:pointer;background:rgba(255,255,255,.25);
  color:#fff;transition:.15s}
.tab.active{background:#fff;color:var(--brand2)}

/* ---------- 標籤分類列 ---------- */
.tag-bar{position:relative;z-index:1;display:flex;gap:8px;overflow-x:auto;
  padding:10px 12px;background:#fff;border-bottom:1px solid var(--line);
  -webkit-overflow-scrolling:touch;scrollbar-width:none}
.tag-chip{-webkit-tap-highlight-color:rgba(255,122,24,.25)}
.tag-bar::-webkit-scrollbar{display:none}
.tag-chip{flex:0 0 auto;border:1px solid var(--line);background:#fff;color:var(--ink);
  padding:7px 14px;border-radius:999px;font-size:13px;font-weight:700;cursor:pointer;
  white-space:nowrap;transition:.15s}
.tag-chip.active{background:linear-gradient(135deg,var(--brand1),var(--brand2));
  color:#fff;border-color:transparent}

/* ---------- Feed ---------- */
.feed{max-width:1120px;margin:0 auto;padding:16px 12px 40px;
  display:grid;gap:16px;grid-template-columns:1fr}
.loading,.empty{grid-column:1/-1;text-align:center;color:var(--sub);padding:48px 0}

.card{background:var(--card);border-radius:16px;overflow:hidden;
  box-shadow:0 4px 16px rgba(0,0,0,.07);display:flex;flex-direction:column}
.video-box{position:relative;width:100%;aspect-ratio:9/16;background:#111;overflow:hidden}
.video-box iframe{position:absolute;inset:0;width:100%;height:100%;border:0}
.thumb{position:absolute;inset:0;width:100%;height:100%;object-fit:cover;
  filter:brightness(.82)}
.play{position:absolute;inset:0;display:flex;align-items:center;justify-content:center;
  cursor:pointer}
.play::after{content:"";width:64px;height:64px;border-radius:50%;
  background:rgba(255,255,255,.92);
  -webkit-mask:center/26px no-repeat
   url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' viewBox='0 0 24 24'%3E%3Cpath d='M8 5v14l11-7z'/%3E%3C/svg%3E");
  mask:center/26px no-repeat
   url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' viewBox='0 0 24 24'%3E%3Cpath d='M8 5v14l11-7z'/%3E%3C/svg%3E");
  box-shadow:0 6px 20px rgba(0,0,0,.4)}
.play span{position:absolute;bottom:14px;background:rgba(0,0,0,.55);color:#fff;
  font-size:12px;padding:5px 12px;border-radius:999px}

.info{padding:12px 14px 16px}
.vtitle{font-size:15px;font-weight:800;line-height:1.4;margin-bottom:10px}
.prods{display:flex;flex-direction:column;gap:14px}
.prod{display:flex;gap:12px;align-items:flex-start}
.prod .pimg{width:64px;height:64px;border-radius:10px;object-fit:cover;flex:0 0 auto;
  background:#f2f2f2;border:1px solid var(--line)}
.pinfo{flex:1;min-width:0}
.pname{font-size:14px;font-weight:700;line-height:1.4;min-width:0}
.pmeta{display:flex;flex-wrap:wrap;align-items:center;gap:6px;margin-top:5px}
.pnum{font-size:12px;color:var(--sub);font-weight:400}
.prow{display:flex;flex-wrap:nowrap;align-items:center;gap:8px;margin-top:8px}
.pprice{font-size:16px;font-weight:800;color:var(--brand2);flex:0 0 auto}
.pbtns{display:flex;flex-direction:row;gap:6px;flex:0 1 auto}
.btn{flex:0 0 auto;display:inline-block;text-align:center;padding:5px 10px;border:0;
  border-radius:7px;font-size:11.5px;font-weight:700;cursor:pointer;white-space:nowrap}
.btn-buy{box-shadow:0 2px 6px rgba(0,0,0,.18);letter-spacing:1px}
.btn-buy.b1{background:#1f6feb;color:#fff}     /* 賣貨便：藍 */
.btn-buy.b2{background:#06c755;color:#fff}     /* LINE：LINE綠 */
.btn:active{transform:scale(.98)}

/* ---------- 徽章（淺底標籤樣式，與實心按鈕明顯區隔）---------- */
.badge{display:inline-flex;align-items:center;vertical-align:middle;
  font-size:11px;font-weight:800;padding:1px 7px;border-radius:4px;
  border:1px solid;background:#fff;line-height:1.5}
.badge::before{content:"#";opacity:.55;margin-right:2px;font-weight:700}
.bg-top{color:#e8002d;border-color:#f3a9a1;background:#fff1ef}
.bg-super{color:#c2710c;border-color:#eec596;background:#fff7ea}
.bg-hot{color:#d6336c;border-color:#f0aac6;background:#fff0f5}
.bg-new{color:#0f8a52;border-color:#aedcc4;background:#eef9f2}
.bg-rec{color:#2a5bd7;border-color:#b3c6f2;background:#eef2fd}
.bg-stock{color:#9a6212;border-color:#e7c694;background:#fdf3e3}
/* 影片角標：實心深色，與淺底徽章、彩色按鈕都不同 */
.ribbon{position:absolute;top:10px;left:10px;z-index:5;font-size:12px;font-weight:800;
  padding:4px 12px;border-radius:6px;color:#fff;background:rgba(20,20,20,.82);
  backdrop-filter:blur(2px);box-shadow:0 2px 8px rgba(0,0,0,.35)}
.ribbon::before{content:"★ ";color:#ffcf3f}

/* ---------- Footer ---------- */
.site-footer{background:#2a2017;color:#f5e9dd;padding:28px 16px 40px;text-align:center}
.foot-title{font-weight:800;font-size:16px;margin-bottom:14px;color:#ffb27a}
.foot-links{list-style:none;display:flex;flex-direction:column;gap:10px;
  max-width:420px;margin:0 auto}
.foot-links a{background:rgba(255,255,255,.08);padding:12px;border-radius:10px;
  font-size:14px;font-weight:600;display:block}
.foot-links a:active{background:rgba(255,255,255,.18)}
.copyright{margin-top:20px;font-size:12px;opacity:.6}

/* ---------- 產品圖放大燈箱 ---------- */
.pimg{cursor:zoom-in}
[hidden]{display:none!important}
.imgmodal{position:fixed;inset:0;z-index:60;background:rgba(0,0,0,.9);
  display:flex;align-items:center;justify-content:center;padding:20px;cursor:zoom-out}
.imgmodal img{max-width:96vw;max-height:92vh;width:auto;height:auto;
  border-radius:12px;box-shadow:0 8px 40px rgba(0,0,0,.6)}

/* ---------- Responsive ---------- */
@media (min-width:600px){ .feed{grid-template-columns:repeat(3,1fr)} }
@media (min-width:960px){
  .feed{grid-template-columns:repeat(4,1fr);gap:12px;max-width:1280px}
  .brand{font-size:28px}
  .info{padding:10px 10px 12px}
  .vtitle{font-size:14px}
  .prod .pimg{width:52px;height:52px}
  .pname{font-size:13px}
  /* 桌面版頁尾改一排 */
  .foot-links{flex-direction:row;flex-wrap:wrap;justify-content:center;
    max-width:none;gap:10px}
  .foot-links a{display:inline-block;padding:10px 16px}
}
@media (min-width:1280px){
  .feed{grid-template-columns:repeat(5,1fr);max-width:1480px}
}