/* ══ 商城详情页（AI运维 261007 第六版）—— 整片白底（照产品中心那页）＋ 只有黑白灰 ══
   ★ 一律挂在 .qy8-light 底下 ⇒ ⛔ 碰不到官网别的页 */
.qy8-light{background:#ffffff}
.qy8-light .i_title h2{color:#111111}
.qy8-light .i_title p{color:#8f8f8f;background-image:linear-gradient(#d0d0d0,#d0d0d0);
  background-size:56px 3px;background-position:center bottom;background-repeat:no-repeat}
.o_big{width:100%;overflow:hidden;background:#ffffff}
.o_big img{width:100%;display:block;max-height:640px;object-fit:cover}
.qy3-wrap{max-width:1200px;margin:0 auto;padding:0 20px}
/* 分节导航（照官网产品页那一套：.nav-container／.nav-tabs／.nav-tab） */
.qy8-light .nav-container{position:sticky;top:0;z-index:60;background:#ffffff;width:100%;
  padding:14px 0;display:block;border-bottom:1px solid #e5e5e5}
.qy8-light .nav-tabs-wrapper{width:100%;max-width:1200px;min-width:0;margin:0 auto;display:flex;
  justify-content:center;padding:0 20px;box-sizing:border-box;overflow-x:auto;
  -webkit-overflow-scrolling:touch}
.qy8-light .nav-tabs{display:inline-flex;padding:5px;white-space:nowrap}
.qy8-light .nav-tab{padding:12px 32px;cursor:pointer;font-size:17px;color:#555555;
  margin-left:10px;transition:all .3s ease;white-space:nowrap;background-color:#f2f2f2}
.qy8-light .nav-tab:hover{color:#111111}
.qy8-light .nav-tab.active{color:#ffffff;background-color:#111111;font-weight:500;
  box-shadow:0 2px 8px rgba(0,0,0,.10)}
.qy8-light .content-section{padding:44px 0 8px;border-bottom:1px solid #e5e5e5}
.qy8-light .section-title{font-size:36px;font-weight:600;color:#111111;margin:0 0 4px;
  text-align:center}
.qy8-light .section-title2{font-size:13px;font-weight:400;color:#999999;letter-spacing:3px;
  margin:0 0 26px;text-align:center}
.qy8-light .prenext{font-size:14px;color:#999999;padding:14px 0;border-bottom:1px solid #eeeeee}
.qy8-light .prenext a{color:#333333;text-decoration:none}
.qy8-light .prenext a:hover{color:#000000}
/* 首屏购买条 —— 大图下面那一条（型号介绍 ＋ 购买旋钮） */
.qy3-buy{background:#1b1b1b;border-bottom:1px solid #2b2b2b;padding:26px 0 24px;margin-bottom:8px}
.qy3-buy-in{max-width:1200px;margin:0 auto;padding:0 20px;display:grid;
  grid-template-columns:1fr auto;gap:24px;align-items:center}
.qy3-buy h1{font-size:30px;font-weight:700;color:#f2f2f2;margin:0 0 6px;line-height:1.3}
.qy3-buy h1 .ser{font-size:15px;font-weight:400;color:#8f8f8f;margin-left:10px}
.qy3-buy .pos{font-size:15px;color:#a8a8a8;margin:0;line-height:1.7}
.qy3-tags{margin:12px 0 0;padding:0;list-style:none;display:flex;flex-wrap:wrap;gap:8px}
.qy3-tags li{font-size:12px;color:#c8c8c8;border:1px solid #555555;border-radius:100px;
  padding:3px 12px;line-height:1.6}
.qy3-buy .r{text-align:right;min-width:260px}
.qy3-price{font-size:34px;font-weight:700;color:#ffffff;line-height:1.1}
.qy3-price .u{font-size:15px;font-weight:400;margin-left:4px}
.qy3-ask{font-size:22px;font-weight:600;color:#a8a8a8}
.qy3-pricenote{font-size:12px;color:#777777;margin:8px 0 0}
.qy3-acts{display:flex;gap:12px;margin-top:16px}
.qy3-acts a{flex:1;text-align:center;padding:13px 22px;border-radius:4px;font-size:16px;
  font-weight:600;text-decoration:none;white-space:nowrap;transition:.2s}
.qy3-buy-a{background:#e8e8e8;color:#111111}
.qy3-buy-a:hover{background:#ffffff;color:#111111}
.qy3-kf-a{background:transparent;color:#d8d8d8;border:1px solid #5a5a5a}
.qy3-kf-a:hover{background:#232323;color:#ffffff;border-color:#9a9a9a}
/* 产品中心那份内容（底下搬过来的那一半）—— 照搬原样、只换成黑白灰 */
.qy8-light .container{max-width:1200px;margin:0 auto;padding:20px 20px 60px}
.qy8-light .rich-text-content{margin:0 auto;padding:0 25px;font-size:17px;color:#333333}
.qy8-light .rich-text-content p{margin-bottom:22px;line-height:1.8}
.qy8-light .rich-text-content img{max-width:100%;height:auto;margin:25px 0;border-radius:8px}
.qy8-light .video-container{display:flex;flex-wrap:wrap;gap:20px;margin:0 auto;max-width:1200px}
.qy8-light .video-card{width:360px;border:1px solid #e5e5e5;background:#ffffff;overflow:hidden;
  transition:all .3s ease}
.qy8-light .video-card:hover{transform:translateY(-5px);box-shadow:0 5px 15px rgba(0,0,0,.10)}
.qy8-light .video-thumbnail{height:250px;background-color:#f7f7f7;display:flex;
  align-items:center;justify-content:center;color:#999999;font-size:24px}
.qy8-light .video-thumbnail img{max-width:100%;max-height:100%;display:block}
/* 参数表、亮点块、视频格、同类卡 —— 样式留着（本版详情页底下已改走产品中心那份） */
.qy3-hl{margin-top:8px}
.qy3-hlrow{display:grid;grid-template-columns:380px 1fr;gap:40px;align-items:center;
  padding:36px 0;border-bottom:1px solid #eeeeee}
.qy3-hlrow:last-child{border-bottom:0}
.qy3-hlrow .im{background:#f7f7f7;border-radius:2px;overflow:hidden}
.qy3-hlrow .im img{width:100%;display:block}
.qy3-hlrow .tx h3{font-size:21px;font-weight:600;color:#111111;margin:0 0 14px;line-height:1.5}
.qy3-hlrow .tx h3:before{content:"";display:inline-block;width:4px;height:18px;background:#111111;
  margin-right:10px;vertical-align:-2px}
.qy3-hlrow .tx p{font-size:15px;color:#555555;line-height:2;margin:0}
.qy3-hlrow.rev{grid-template-columns:1fr 380px}
.qy3-hlrow.rev .im{order:2}
.qy3-hlrow.rev .tx{order:1}
.qy3-hlrow.nophoto{grid-template-columns:1fr}
.qy3-spec{width:100%;border-collapse:collapse;font-size:15px;margin-top:6px;
  border:1px solid #e5e5e5}
.qy3-spec tr:nth-child(odd){background:#fafafa}
.qy3-spec th,.qy3-spec td{padding:13px 18px;border-bottom:1px solid #e5e5e5;
  text-align:left;line-height:1.8;vertical-align:top}
.qy3-spec th{width:200px;color:#555555;font-weight:400;background:#f2f2f2}
.qy3-spec td{color:#333333}
.qy3-spec tr:last-child th,.qy3-spec tr:last-child td{border-bottom:0}
.qy3-adapt{display:grid;grid-template-columns:repeat(3,1fr);gap:18px;margin-top:6px}
.qy3-adapt .c{border:1px solid #e5e5e5;padding:24px 20px;text-align:center;background:#ffffff}
.qy3-adapt .c h4{font-size:14px;font-weight:600;color:#111111;margin:0 0 12px;letter-spacing:1px}
.qy3-adapt .c p{font-size:14px;color:#555555;line-height:1.9;margin:0}
.qy3-vids{display:grid;grid-template-columns:repeat(3,1fr);gap:18px;margin-top:6px}
.qy3-vids .v{display:block;border:1px solid #e5e5e5;background:#ffffff;text-decoration:none;
  transition:.2s;overflow:hidden}
.qy3-vids .v:hover{border-color:#111111}
.qy3-vids .v img{width:100%;display:block}
.qy3-vids .v .cap{padding:12px 14px;font-size:14px;color:#555555}
.qy3-vids .v.plain{cursor:default}
.qy3-more{display:grid;grid-template-columns:repeat(4,1fr);gap:18px;margin-top:6px}
.qy3-mcard{display:flex;flex-direction:column;border:1px solid #e5e5e5;background:#ffffff;
  text-decoration:none;transition:.2s;overflow:hidden}
.qy3-mcard:hover{border-color:#111111;box-shadow:0 6px 20px rgba(0,0,0,.10)}
.qy3-mcard .ph{background:#ffffff}
.qy3-mcard .ph img{width:100%;display:block;aspect-ratio:1/1;object-fit:contain}
.qy3-mcard .bd{padding:12px 14px 16px}
.qy3-mcard .mo{font-size:16px;font-weight:600;color:#111111;margin:0 0 6px}
.qy3-mcard .pr{font-size:18px;font-weight:700;color:#111111;margin:0}
.qy3-mcard .pr .u{font-size:12px;font-weight:400}
.qy3-mcard .pr .ask{color:#555555;font-weight:400;font-size:15px}
/* 商城首页 */
.qy3-sec{padding:26px 0 8px}
.qy3-sec .hd{display:flex;align-items:baseline;gap:14px;border-bottom:1px solid #e5e5e5;
  padding-bottom:14px;margin-bottom:26px}
.qy3-sec .hd h3{font-size:24px;font-weight:600;color:#111111;margin:0}
.qy3-sec .hd h3:before{content:"";display:inline-block;width:4px;height:20px;background:#111111;
  margin-right:12px;vertical-align:-3px}
.qy3-sec .hd span{font-size:13px;color:#999999;letter-spacing:2px}
.qy3-sec .done{font-size:13px;color:#999999;margin-left:auto}
.qy3-grid{display:grid;grid-template-columns:repeat(4,1fr);gap:22px}
/* 商品卡 —— 详情页这边用不着；首页那份卡片的底由首页自己的样式说了算 */
.qy3-card{display:flex;flex-direction:column;border:1px solid #262626;background:#1b1b1b;
  transition:.2s;overflow:hidden}
.qy3-card:hover{border-color:#5a5a5a;box-shadow:0 8px 24px rgba(255,255,255,.07);
  transform:translateY(-2px)}
.qy3-card .ph{display:block;background:#1b1b1b}
.qy3-card .ph img{width:100%;display:block;aspect-ratio:1/1;object-fit:contain}
.qy3-card .bd{padding:16px 18px 18px;display:flex;flex-direction:column;flex:1}
.qy3-card .ser{font-size:12px;color:#777777;margin:0}
.qy3-card .mo{font-size:19px;font-weight:600;color:#f2f2f2;margin:5px 0 10px}
.qy3-card .pr{font-size:23px;font-weight:700;color:#ffffff;margin:0 0 16px;line-height:1.2}
.qy3-card .pr .u{font-size:13px;font-weight:400;margin-left:2px}
.qy3-card .pr .ask{font-size:17px;color:#a8a8a8;font-weight:400}
.qy3-card .btns{margin-top:auto;display:flex;gap:10px}
.qy3-card .btns a{flex:1;text-align:center;padding:10px 0;border-radius:4px;font-size:14px;
  font-weight:600;text-decoration:none;white-space:nowrap}
.qy3-note{margin:34px 0 0;padding:18px 22px;background:#f7f7f7;border-left:4px solid #d0d0d0;
  font-size:14px;color:#555555;line-height:2}
.qy3-note b{color:#111111}
/* 手机版 */
@media (max-width:1024px){
  .qy3-grid,.qy3-more{grid-template-columns:repeat(3,1fr)}
  .qy3-vids{grid-template-columns:repeat(2,1fr)}
}
@media (max-width:992px){
  .qy8-light .video-card{width:48%}
}
@media (max-width:820px){
  .qy8-light .nav-tab{padding:10px 18px;font-size:15px}
  .qy3-buy-in{grid-template-columns:1fr;gap:18px}
  .qy3-buy .r{text-align:left;min-width:0}
  .qy3-hlrow,.qy3-hlrow.rev,.qy3-hlrow.nophoto{grid-template-columns:1fr;gap:18px;padding:26px 0}
  .qy3-hlrow.rev .im{order:1}
  .qy3-hlrow.rev .tx{order:2}
  .qy3-hlrow .im{max-width:380px}
  .qy3-adapt{grid-template-columns:1fr}
  .qy3-more{grid-template-columns:repeat(2,1fr)}
}
@media (max-width:768px){
  .qy8-light .section-title{font-size:24px;font-weight:600}
  .qy8-light .content-section{padding:30px 0 20px}
  .qy8-light .rich-text-content{font-size:16px;padding:0 20px}
  .qy8-light .video-card{width:100%;max-width:450px}
  .qy8-light .nav-tabs-wrapper{padding:0 10px}
  .qy8-light .nav-tabs{flex-wrap:wrap;white-space:normal;justify-content:center}
  .qy8-light .nav-tab{padding:10px 20px;margin:5px}
}
@media (max-width:640px){
  .o_big img{max-height:300px}
  .qy8-light .nav-tabs{padding:2px}
  .qy8-light .nav-tab{padding:8px 14px;font-size:13px;margin:3px}
  .qy3-wrap{padding:0 14px}
  .qy3-buy-in{padding:0 14px}
  .qy8-light .container{padding:14px 14px 46px}
  .qy3-buy h1{font-size:22px}
  .qy3-buy h1 .ser{display:block;margin:6px 0 0}
  .qy3-price{font-size:27px}
  .qy3-grid,.qy3-more{grid-template-columns:repeat(2,1fr);gap:12px}
  .qy3-vids{grid-template-columns:1fr}
  .qy3-spec th{width:110px;padding:10px 12px;font-size:13px}
  .qy3-spec td{padding:10px 12px;font-size:13px}
  .qy3-sec .hd h3{font-size:20px}
  .qy3-card .bd{padding:12px 12px 14px}
  .qy3-card .mo{font-size:16px}
  .qy3-card .pr{font-size:19px}
  .qy8-light .section-title{font-size:22px}
}