/* 天策AI 商品详情页 v4（照 ProdClub：左信息 / 右直接下单）2026-11-01
   只在 /products/<slug> 生效。原页面保留在 DOM 里（隐藏），用于需要填表单的商品回退。
   撤销：删除 index.html 里 pdp-v4 的 <link>/<script> 即可。 */
html.tc-p4 main > *:not(#tc-pdp4){display:none!important}
body.tc-pdp4 main > *:not(#tc-pdp4){display:none!important}

#tc-pdp4{
  --p-bg:#0a0a0b;--p-card:#111113;--p-card2:#161618;--p-right:#18181b;--p-line:rgba(255,255,255,.09);--p-line2:rgba(255,255,255,.16);
  --p-ink:#f4f4f6;--p-ink2:#cfcfd5;--p-mut:#8b8b93;--p-green:#2be07a;--p-green2:#14b45f;--p-amber:#f5c451;--p-input:#232327;--p-tile:#1e1e22;--p-tilesel:#2c2c31;
  max-width:1080px;margin:0 auto;padding:22px 20px 56px;color:var(--p-ink);box-sizing:border-box}
html:not(.dark) #tc-pdp4{
  --p-bg:#f3f6f5;--p-card:#fff;--p-card2:#f6f9f8;--p-right:#f3f6f5;--p-line:rgba(22,34,30,.1);--p-line2:rgba(22,34,30,.18);
  --p-ink:#16221e;--p-ink2:#3b4b45;--p-mut:#6b7a74;--p-green:#0f7a55;--p-green2:#0b6a49;--p-amber:#a86f0a;--p-input:#fff;--p-tile:#fff;--p-tilesel:#eaf4ef}
#tc-pdp4 *{box-sizing:border-box}
#tc-pdp4 a{text-decoration:none}
#tc-pdp4 .p4-back{display:inline-block;font-size:14px;color:var(--p-mut);margin-bottom:14px}
#tc-pdp4 .p4-back:hover{color:var(--p-ink)}

#tc-pdp4 .p4-card{display:flex;background:var(--p-card);border:1px solid var(--p-line);border-radius:22px;overflow:hidden;box-shadow:0 30px 70px -40px rgba(0,0,0,.8)}
#tc-pdp4 .p4-L{flex:1.55;min-width:0;display:flex;flex-direction:column;border-right:1px solid var(--p-line)}
#tc-pdp4 .p4-R{flex:1;min-width:0;padding:14px;background:var(--p-card)}
#tc-pdp4 .p4-rin{background:var(--p-right);border:1px solid var(--p-line);border-radius:16px;padding:22px 22px 20px;height:100%}

/* 左：头部 */
#tc-pdp4 .p4-head{position:relative;display:flex;align-items:center;gap:16px;padding:24px 28px 20px;border-bottom:1px solid var(--p-line);overflow:hidden}
#tc-pdp4 .p4-ico{flex:none;width:58px;height:58px;border-radius:16px;background:var(--p-card2);border:1px solid var(--p-line);display:flex;align-items:center;justify-content:center;color:var(--p-ink);font-weight:800;font-size:19px}
#tc-pdp4 .p4-ht{min-width:0;position:relative;z-index:1}
#tc-pdp4 .p4-ht small{display:block;font-size:13px;color:var(--p-mut)}
#tc-pdp4 .p4-ht h1{margin:0;font-size:28px;line-height:1.15;font-weight:800;color:var(--p-ink);letter-spacing:-.3px}
#tc-pdp4 .p4-meta{display:flex;align-items:center;gap:10px;flex-wrap:wrap;margin-top:6px;font-size:13px;color:var(--p-mut)}
#tc-pdp4 .p4-meta .off{border:1px solid var(--p-line2);border-radius:6px;padding:0 8px;color:var(--p-ink2)}
#tc-pdp4 .p4-meta .ok{color:var(--p-green);font-weight:600}
#tc-pdp4 .p4-meta .no{color:var(--p-mut);font-weight:600}
#tc-pdp4 .p4-art{position:absolute;right:0;top:0;height:100%;width:170px;object-fit:cover;object-position:right center;opacity:.55;-webkit-mask-image:linear-gradient(90deg,transparent,#000 70%);mask-image:linear-gradient(90deg,transparent,#000 70%)}

/* 左：正文 */
#tc-pdp4 .p4-body{padding:22px 28px 6px;flex:1}
#tc-pdp4 .p4-sec{display:flex;gap:26px;margin-bottom:22px}
#tc-pdp4 .p4-k{width:64px;flex:none;font-size:13.5px;color:var(--p-mut);padding-top:1px}
#tc-pdp4 .p4-sec ul{list-style:none;margin:0;padding:0;flex:1}
#tc-pdp4 .p4-sec li{display:flex;gap:10px;font-size:14px;line-height:1.65;color:var(--p-ink2);margin-bottom:9px}
#tc-pdp4 .p4-sec li svg{flex:none;width:16px;height:16px;margin-top:4px;color:var(--p-green)}
#tc-pdp4 .p4-sec li.w{color:var(--p-amber)}#tc-pdp4 .p4-sec li.w svg{color:var(--p-amber)}
#tc-pdp4 .p4-sec li b{color:var(--p-ink)}#tc-pdp4 .p4-sec li.w b{color:var(--p-amber)}
#tc-pdp4 .p4-sec li a{color:var(--p-green)}
#tc-pdp4 .p4-tag{color:var(--p-green);font-size:14px}
#tc-pdp4 .p4-badges{display:flex;gap:18px;flex-wrap:wrap;padding:0 0 18px 90px;font-size:13px;color:var(--p-mut)}
#tc-pdp4 .p4-badges span{display:inline-flex;align-items:center;gap:7px;white-space:nowrap}
#tc-pdp4 .p4-badges b{color:var(--p-ink)}
#tc-pdp4 .p4-badges svg{width:15px;height:15px;color:var(--p-ink2)}
#tc-pdp4 .p4-links{display:none;gap:8px;flex-wrap:wrap;padding:0 0 16px 90px;align-items:center;font-size:13px;color:var(--p-mut)}
#tc-pdp4 .p4-links a{border:1px solid var(--p-line2);border-radius:99px;padding:3px 12px;color:var(--p-ink2);font-size:12.5px}
#tc-pdp4 .p4-steps{margin:8px 18px 18px;display:flex;align-items:center;gap:12px;background:var(--p-card2);border:1px solid var(--p-line);border-radius:14px;padding:14px 18px}
#tc-pdp4 .p4-steps .s{display:flex;align-items:center;gap:10px;font-size:14px;color:var(--p-ink);white-space:nowrap}
#tc-pdp4 .p4-steps .s i{width:34px;height:34px;border-radius:10px;background:var(--p-tile);border:1px solid var(--p-line);display:flex;align-items:center;justify-content:center;color:var(--p-green);font-style:normal;font-size:15px}
#tc-pdp4 .p4-steps .ln{flex:1;min-width:16px;height:1px;background:var(--p-line2)}

/* 右：下单 */
#tc-pdp4 .p4-lab{font-size:13px;color:var(--p-mut);margin-bottom:6px}
#tc-pdp4 .p4-price{font-size:46px;font-weight:800;letter-spacing:-1.5px;line-height:1.1;color:var(--p-ink);white-space:nowrap}
#tc-pdp4 .p4-price small{font-size:22px;vertical-align:10px;margin-right:2px;letter-spacing:0;font-weight:700}
#tc-pdp4 .p4-price em{font-style:normal;font-size:15px;color:var(--p-mut);font-weight:500;letter-spacing:0;margin-left:6px}
#tc-pdp4 .p4-total{font-size:13px;color:var(--p-mut);margin-top:4px}
#tc-pdp4 .p4-hr{height:1px;background:var(--p-line);margin:16px 0}
#tc-pdp4 .p4-row{display:flex;align-items:center;justify-content:space-between;gap:10px;margin-bottom:12px}
#tc-pdp4 .p4-skus{display:flex;flex-direction:column;gap:7px;margin-bottom:12px}
#tc-pdp4 .p4-sku{display:flex;justify-content:space-between;align-items:center;gap:8px;text-align:left;background:var(--p-tile);border:1px solid var(--p-line);border-radius:11px;padding:9px 12px;font-size:12.5px;line-height:1.45;color:var(--p-ink2);cursor:pointer;font-family:inherit}
#tc-pdp4 .p4-sku.on{border-color:var(--p-green);background:var(--p-tilesel);color:var(--p-ink)}
#tc-pdp4 .p4-sku:disabled{opacity:.4;cursor:not-allowed}
#tc-pdp4 .p4-sku span{color:var(--p-mut);font-size:11.5px;white-space:nowrap}
#tc-pdp4 .p4-qty{display:inline-flex;align-items:center;border:1px solid var(--p-line2);border-radius:10px;overflow:hidden}
#tc-pdp4 .p4-qty button{width:34px;height:34px;background:var(--p-tile);color:var(--p-ink);border:0;font-size:17px;cursor:pointer}
#tc-pdp4 .p4-qty button:disabled{opacity:.35;cursor:not-allowed}
#tc-pdp4 .p4-qty span{min-width:38px;text-align:center;font-weight:700;font-size:14px;color:var(--p-ink)}
#tc-pdp4 .p4-tiles{display:flex;gap:8px;flex-wrap:wrap}
#tc-pdp4 .p4-tile{flex:1 1 calc(50% - 8px);min-width:118px;display:flex;align-items:center;gap:9px;background:var(--p-tile);border:1.5px solid transparent;border-radius:12px;padding:10px 12px;color:var(--p-ink2);cursor:pointer;font-family:inherit;text-align:left}
#tc-pdp4 .p4-tile.on{background:var(--p-tilesel);border-color:var(--p-line2);color:var(--p-ink)}
#tc-pdp4 .p4-tile:hover{border-color:var(--p-line2)}
#tc-pdp4 .p4-tile b{display:block;font-size:13.5px;line-height:1.2;font-weight:700}
#tc-pdp4 .p4-tile i{display:block;font-style:normal;font-size:11px;color:var(--p-mut);line-height:1.3;margin-top:1px}
#tc-pdp4 .p4-pi{flex:none;width:26px;height:26px;border-radius:8px;display:flex;align-items:center;justify-content:center;color:#fff;font-size:13px;font-weight:800;position:relative}
#tc-pdp4 .p4-pi.ali{background:#1677ff}#tc-pdp4 .p4-pi.usdt{background:#26a17b;border-radius:50%}
#tc-pdp4 .p4-pi.inv{background:#c98a14}
#tc-pdp4 .p4-fee{font-size:12.5px;color:var(--p-amber);margin-top:9px}
#tc-pdp4 .p4-fl{display:flex;align-items:center;gap:7px;font-size:13px;font-weight:700;color:var(--p-ink2);margin:16px 0 7px}
#tc-pdp4 .p4-in{width:100%;height:44px;background:var(--p-input);border:1px solid var(--p-line);border-radius:12px;padding:0 14px;font:inherit;font-size:14px;color:var(--p-ink);outline:none}
#tc-pdp4 .p4-in:focus{border-color:var(--p-green);box-shadow:0 0 0 3px rgba(43,224,122,.15)}
#tc-pdp4 .p4-in::placeholder{color:var(--p-mut)}
#tc-pdp4 .p4-hint{font-size:12px;color:var(--p-mut);margin:6px 0 12px}
#tc-pdp4 .p4-submit{display:block;width:100%;margin-top:16px;height:50px;border:0;border-radius:99px;background:linear-gradient(135deg,#2be07a,#14b45f);color:#03170c;font-size:16.5px;font-weight:800;cursor:pointer;font-family:inherit}
html:not(.dark) #tc-pdp4 .p4-submit{color:#fff}
#tc-pdp4 .p4-submit:disabled{opacity:.55;cursor:not-allowed}
#tc-pdp4 .p4-err{margin-top:10px;font-size:13px;color:#ff7b7b;line-height:1.5}
#tc-pdp4 .p4-foot{margin-top:12px;font-size:12px;color:var(--p-mut);text-align:center}
#tc-pdp4 .p4-note{background:rgba(245,196,81,.1);border:1px solid rgba(245,196,81,.3);color:var(--p-amber);border-radius:11px;padding:10px 12px;font-size:13px;line-height:1.55;margin-bottom:12px}
#tc-pdp4 .p4-alt{display:block;margin-top:10px;text-align:center;font-size:12.5px;color:var(--p-mut);cursor:pointer;background:none;border:0;font-family:inherit;width:100%}
#tc-pdp4 .p4-alt:hover{color:var(--p-green)}

@media(max-width:900px){
  #tc-pdp4{padding:14px 12px 40px}
  #tc-pdp4 .p4-card{flex-direction:column}
  #tc-pdp4 .p4-R{order:-1;padding:10px}
  #tc-pdp4 .p4-L{border-right:0;border-top:1px solid var(--p-line)}
  #tc-pdp4 .p4-rin{padding:18px 16px}
  #tc-pdp4 .p4-price{font-size:38px}
  #tc-pdp4 .p4-head{padding:18px 16px 16px}
  #tc-pdp4 .p4-art{width:110px}
  #tc-pdp4 .p4-ht h1{font-size:24px}
  #tc-pdp4 .p4-body{padding:18px 16px 4px}
  #tc-pdp4 .p4-sec{flex-direction:column;gap:6px;margin-bottom:16px}
  #tc-pdp4 .p4-k{width:auto}
  #tc-pdp4 .p4-badges,#tc-pdp4 .p4-links{padding-left:0}
  #tc-pdp4 .p4-steps{margin:6px 12px 14px;padding:12px;gap:8px;flex-wrap:wrap;justify-content:space-between}
  #tc-pdp4 .p4-steps .ln{display:none}
  #tc-pdp4 .p4-steps .s{font-size:13px}
}

#tc-pdp4 .p4-foot svg,#tc-pdp4 .p4-fl svg,#tc-pdp4 .p4-lab svg{display:inline-block}
#tc-pdp4 .p4-foot svg{margin-right:4px}