/* ==========================================================================
   INDUSTRIAL.CSS — Phú Mỹ Industrial (sáng-tech: #f0f5fa + xanh lá + gold)
   Font: Space Grotesk (tiêu đề) + Inter (thân). Icon line, góc sắc, dot-grid.
   ========================================================================== */
:root{
  --bg:#eef3f9;--surface:#ffffff;--surface2:#e7edf5;--dark:#0f2a1c;--dark2:#123a26;
  --ink:#16202e;--muted:#5c6675;--line:#d9e2ec;
  --green:#1a7f3c;--green-d:#136030;--gold:#d99a06;--gold-2:#f4c81e;
  --r:6px;
}
*{box-sizing:border-box;margin:0;padding:0}
html{overflow-x:hidden;-webkit-text-size-adjust:100%;scroll-behavior:smooth}
body.cn-site{overflow-x:hidden;
  font-family:'Inter',-apple-system,'Segoe UI',Roboto,sans-serif;color:var(--ink);line-height:1.65;
  background-color:var(--bg);
  background-image:radial-gradient(rgba(22,32,46,.05) 1px,transparent 1.4px);
  background-size:22px 22px;
}
.cn-site a{color:inherit;text-decoration:none}
.cn-site img{max-width:100%;display:block}
.wrap{max-width:1180px;margin:0 auto;padding:0 22px}
.sec{padding:56px 0}
h1,h2,h3,h4{font-family:'Space Grotesk','Inter',sans-serif;line-height:1.12;letter-spacing:-.01em;font-weight:600}
.cn-ic{display:inline-flex;align-items:center;justify-content:center}
.cn-ic svg{width:100%;height:100%;stroke:currentColor;fill:none;stroke-width:1.6;stroke-linecap:round;stroke-linejoin:round}
.cn-eyebrow{display:inline-flex;align-items:center;gap:9px;color:var(--green);font-size:12px;font-weight:700;letter-spacing:2.5px;text-transform:uppercase}
.cn-eyebrow:before{content:'';width:26px;height:2px;background:var(--gold)}
.cn-eyebrow.cn-center{justify-content:center}
.cn-sec-t{font-size:30px;color:var(--ink);margin:10px 0 22px;font-weight:700}
.cn-sec-t.cn-center{text-align:center}
.cn-h1{font-size:38px;color:var(--ink);margin-bottom:16px;font-weight:700}
.crumb{font-size:13px;color:var(--muted);margin-bottom:18px}
.crumb a{color:var(--green);font-weight:500}
.cn-btn{position:relative;display:inline-flex;align-items:center;gap:9px;padding:13px 26px;border-radius:4px;font-family:'Space Grotesk',sans-serif;font-weight:600;font-size:14px;cursor:pointer;border:none;transition:.2s;overflow:hidden}
.cn-btn .cn-ic{width:18px;height:18px}
.cn-btn-gold{background:var(--gold);color:#1a1400}
.cn-btn-gold:hover{background:var(--gold-2);transform:translateY(-2px)}
.cn-btn-green{background:var(--green);color:#fff}
.cn-btn-green:hover{background:var(--green-d);transform:translateY(-2px)}
.cn-btn-ghost{background:rgba(255,255,255,.14);color:#fff;border:1.6px solid #fff;font-weight:700;-webkit-backdrop-filter:blur(2px);backdrop-filter:blur(2px)}
.cn-btn-ghost:hover{background:#fff;color:var(--dark)}
.cn-btn-out{background:transparent;color:var(--green);border:1.5px solid var(--green)}
.cn-btn-out:hover{background:var(--green);color:#fff}
.cn-btn-zalo{background:#0068ff;color:#fff}.cn-btn-zalo:hover{background:#0055d4;transform:translateY(-2px)}
.cn-btn-call{background:var(--green);color:#fff}.cn-btn-call:hover{background:var(--green-d);transform:translateY(-2px)}
.cn-btn-mail{background:transparent;color:#fff;border:1.5px solid rgba(255,255,255,.45)}.cn-btn-mail:hover{background:rgba(255,255,255,.12)}
.cn-sticky{position:sticky;top:0;z-index:60}
.cn-topbar{background:var(--dark);color:#b9c6d8;font-size:12.5px}
.cn-topbar .wrap{display:flex;justify-content:space-between;gap:12px;padding:8px 22px;flex-wrap:wrap}
.cn-topbar a{color:#fff;font-weight:600}
.cn-header{background:rgba(255,255,255,.9);-webkit-backdrop-filter:blur(10px);backdrop-filter:blur(10px);border-bottom:1px solid var(--line)}
.cn-hd{display:flex;align-items:center;gap:22px;padding:10px 22px}
.cn-logo img{height:46px;width:auto}
.cn-nav{margin-left:auto}
.cn-menu{display:flex;list-style:none;gap:2px;align-items:center}
.cn-menu>li>a{display:block;padding:12px 13px;font-weight:600;font-size:13.5px;color:var(--ink);position:relative}
.cn-menu>li>a:hover{color:var(--green)}
.cn-menu>li>a:after{content:'';position:absolute;left:13px;right:13px;bottom:6px;height:2px;background:var(--gold);transform:scaleX(0);transition:.2s;transform-origin:left}
.cn-menu>li>a:hover:after{transform:scaleX(1)}
.cn-menu .has-sub{position:relative}
.cn-menu .sub{position:absolute;top:100%;left:0;background:#fff;min-width:238px;box-shadow:0 18px 40px rgba(15,42,28,.14);border-top:2px solid var(--gold);padding:6px;list-style:none;display:none;z-index:70}
.cn-menu .has-sub:hover .sub{display:block}
.cn-menu .sub li a{display:block;padding:10px 14px;font-size:13.5px;color:#333}
.cn-menu .sub li a:hover{background:var(--surface2);color:var(--green)}
.cn-toggle{display:none;margin-left:auto;background:none;border:none;font-size:26px;color:var(--dark);cursor:pointer}
.cn-hero{position:relative;overflow:hidden;background:var(--dark)}
.cn-hero-bg{position:absolute;inset:0;background-size:cover;background-position:center;animation:kb 16s ease-out infinite alternate;opacity:.5}
@keyframes kb{from{transform:scale(1.04)}to{transform:scale(1.14)}}
.cn-hero:after{content:'';position:absolute;inset:0;background:linear-gradient(105deg,rgba(15,42,28,.92) 30%,rgba(15,42,28,.55))}
.cn-hero-in{position:relative;z-index:2;padding:96px 22px}
.cn-hero-txt{max-width:680px}
.cn-hero .cn-eyebrow{color:var(--gold-2)}
.cn-hero .cn-eyebrow:before{background:var(--gold-2)}
.cn-hero h1{font-size:52px;color:#fff;margin:16px 0;font-weight:700;letter-spacing:-.02em}
.cn-hero h1 .g{color:var(--gold-2)}
.cn-hero-sub{color:#c2cede;font-size:17px;max-width:560px;margin-bottom:28px}
.cn-hero-btns{display:flex;gap:14px;flex-wrap:wrap}
.cn-subhero{position:relative;overflow:hidden;background:var(--dark)}
.cn-subhero .bg{position:absolute;inset:0;background-size:cover;background-position:center;opacity:.35;animation:kb 18s ease-out infinite alternate}
.cn-subhero:after{content:'';position:absolute;inset:0;background:linear-gradient(105deg,rgba(15,42,28,.92) 35%,rgba(15,42,28,.55))}
.cn-subhero .in{position:relative;z-index:2;padding:64px 22px}
.cn-subhero .crumb{color:#bcccc0}.cn-subhero .crumb a{color:var(--gold-2);font-weight:600}
.cn-subhero h1{color:#fff;font-size:40px;margin:8px 0 12px;font-weight:700;letter-spacing:-.01em}
.cn-subhero p{color:#d5e0d8;max-width:660px;font-size:16px}
.cn-band .cn-stdtext{color:#cdd8cf;max-width:840px;margin-top:12px;font-size:15px}
.cn-band .cn-stdtext p{margin-bottom:10px}
.cn-band .cn-stdtext strong{color:#fff}
.cn-stats{background:var(--dark2);border-top:1px solid rgba(255,255,255,.08)}
.cn-stats .wrap{display:grid;grid-template-columns:repeat(4,1fr);gap:0}
.cn-stat{padding:30px 22px;text-align:center;border-right:1px solid rgba(255,255,255,.08)}
.cn-stat:last-child{border-right:none}
.cn-stat .n{font-family:'Space Grotesk';font-size:40px;font-weight:700;color:var(--gold-2);line-height:1}
.cn-stat .l{color:#b9c6d8;font-size:13px;margin-top:6px;letter-spacing:.3px}
.cn-usp{display:grid;grid-template-columns:repeat(4,1fr);gap:0;border:1px solid var(--line);background:var(--surface)}
.cn-usp .u{padding:28px 22px;border-right:1px solid var(--line);position:relative}
.cn-usp .u:last-child{border-right:none}
.cn-usp .u:before{content:'';position:absolute;left:0;top:22px;bottom:22px;width:3px;background:var(--gold);opacity:0;transition:.2s}
.cn-usp .u:hover:before{opacity:1}
.cn-usp .u .cn-ic{width:34px;height:34px;color:var(--green);margin-bottom:14px}
.cn-usp .u h3{font-size:17px;color:var(--ink);margin-bottom:6px;font-weight:600}
.cn-usp .u p{font-size:13.5px;color:var(--muted)}
.cn-zigzag{display:flex;flex-direction:column;gap:0}
.cn-zrow{display:grid;grid-template-columns:1.05fr .95fr;align-items:center;gap:44px;padding:40px 0;border-bottom:1px solid var(--line)}
.cn-zrow:last-child{border-bottom:none}
.cn-zrow.cn-rev .cn-zimg{order:2}
.cn-zimg{position:relative;aspect-ratio:16/11;background-size:cover;background-position:center;border:1px solid var(--line)}
.cn-zimg:before{content:'';position:absolute;left:-14px;top:-14px;width:66px;height:66px;border-left:3px solid var(--gold);border-top:3px solid var(--gold)}
.cn-zrow.cn-rev .cn-zimg:before{left:auto;right:-14px;border-left:none;border-right:3px solid var(--gold)}
.cn-znum{font-family:'Space Grotesk';font-size:60px;font-weight:700;color:var(--surface2);line-height:.9;letter-spacing:-.03em}
.cn-ztag{display:inline-flex;align-items:center;gap:8px;color:var(--green);font-weight:700;font-size:13px;letter-spacing:1px;text-transform:uppercase;margin:6px 0 8px}
.cn-ztag .cn-ic{width:20px;height:20px}
.cn-ztxt h3{font-size:30px;color:var(--ink);margin-bottom:12px;font-weight:700}
.cn-ztxt p{color:#495264;font-size:15.5px;margin-bottom:20px;max-width:460px}
.cn-zlink{display:inline-flex;align-items:center;gap:8px;color:var(--green);font-weight:600;font-size:14px}
.cn-zlink .cn-ic{width:18px;height:18px;transition:.2s}
.cn-zlink:hover .cn-ic{transform:translateX(4px)}
.cn-gal{display:grid;grid-template-columns:2fr 1fr 1fr;grid-auto-rows:150px;gap:12px}
.cn-gal a{position:relative;overflow:hidden;background-size:cover;background-position:center;border:1px solid var(--line)}
.cn-gal a:nth-child(1){grid-row:span 2}
.cn-gal a:nth-child(4){grid-column:span 2}
.cn-gal a img{width:100%;height:100%;object-fit:cover;transition:.5s}
.cn-gal a:hover img{transform:scale(1.07)}
.cn-band{background:var(--dark);color:#fff;padding:44px 0}
.cn-marquee{overflow:hidden;position:relative;margin-top:8px}
.cn-mtrack{display:flex;gap:44px;width:max-content;animation:mq 32s linear infinite;align-items:center}
.cn-mtrack .m{color:#8b9bb2;font-family:'Space Grotesk';font-weight:700;font-size:22px;white-space:nowrap;opacity:.7;transition:.2s}
.cn-mtrack .m:hover{color:var(--gold-2);opacity:1}
@keyframes mq{from{transform:translateX(0)}to{transform:translateX(-50%)}}
.cn-grid{display:grid;grid-template-columns:repeat(4,1fr);gap:16px}
.cn-card{background:var(--surface);border:1px solid var(--line);overflow:hidden;transition:.2s;display:block;border-radius:var(--r)}
.cn-card:hover{border-color:var(--green);box-shadow:0 14px 30px rgba(15,42,28,.10);transform:translateY(-3px)}
.cn-card-img{aspect-ratio:1;overflow:hidden;background:var(--surface2)}
.cn-card-img img{width:100%;height:100%;object-fit:cover;transition:.4s}
.cn-card:hover .cn-card-img img{transform:scale(1.06)}
.cn-card-body{padding:14px 16px}
.cn-card-body h3{font-family:'Inter';font-size:15px;font-weight:600;margin-bottom:6px;min-height:40px}
.cn-price{color:var(--green);font-weight:700;font-size:18px;font-family:'Space Grotesk'}
.cn-card-cta{font-size:12.5px;color:var(--muted);display:inline-block;margin-top:6px}
.cn-tiles{display:grid;grid-template-columns:repeat(4,1fr);gap:16px;margin-bottom:30px}
.cn-tiles.cn-tiles-3{grid-template-columns:repeat(3,1fr)}
.cn-tiles.cn-tiles-2{grid-template-columns:repeat(2,1fr)}
.cn-tile{position:relative;display:block;border:1px solid var(--line);background:var(--surface);overflow:hidden;transition:.2s;border-radius:var(--r)}
.cn-tile:hover{border-color:var(--green);box-shadow:0 14px 30px rgba(15,42,28,.10);transform:translateY(-3px)}
.cn-tile-img{aspect-ratio:4/3;overflow:hidden;background:var(--surface2)}
.cn-tile-img img{width:100%;height:100%;object-fit:cover;transition:.4s}
.cn-tile:hover .cn-tile-img img{transform:scale(1.06)}
.cn-tile-cap{padding:14px 16px}
.cn-tile-cap h3{font-size:16px;font-weight:600;color:var(--ink);margin-bottom:4px}
.cn-tile-cap span{font-size:13px;color:var(--green);font-weight:600}
.cn-seo{padding:26px 22px 6px}
.cn-seo .cn-article{max-width:none;color:#7a8496;font-size:13px;line-height:1.7;border-top:1px solid var(--line);padding-top:20px}
.cn-seo .cn-article strong{color:#5c6675;font-weight:600}
.cn-seo .cn-article a{color:var(--green);font-weight:600}
.cn-band-soft{background:var(--dark2)}
.cn-inds{display:grid;grid-template-columns:repeat(4,1fr);gap:14px;margin-top:18px}
.cn-inds .i{display:flex;align-items:center;gap:12px;padding:16px 18px;background:rgba(255,255,255,.05);border:1px solid rgba(255,255,255,.12);border-radius:var(--r);transition:.2s}
.cn-inds .i:hover{border-color:var(--gold-2);background:rgba(255,255,255,.09)}
.cn-inds .i .cn-ic{width:26px;height:26px;color:var(--gold-2);flex:none}
.cn-inds .i b{font-family:'Space Grotesk';font-weight:600;font-size:14.5px;color:#fff}
.cn-steps{display:grid;grid-template-columns:repeat(5,1fr);gap:14px}
.cn-step{position:relative;padding:24px 18px;background:var(--surface);border:1px solid var(--line);border-radius:var(--r);overflow:hidden}
.cn-step:before{content:'';position:absolute;left:0;top:0;bottom:0;width:3px;background:var(--gold)}
.cn-step .no{font-family:'Space Grotesk';font-size:26px;font-weight:700;color:var(--surface2)}
.cn-step .cn-ic{width:24px;height:24px;color:var(--green);margin:8px 0}
.cn-step h4{font-size:15px;color:var(--ink);margin-bottom:4px;font-weight:600}
.cn-step p{font-size:12.5px;color:var(--muted)}
.cn-posts{display:grid;grid-template-columns:repeat(3,1fr);gap:18px}
.cn-post{display:block;border:1px solid var(--line);background:var(--surface);border-radius:var(--r);overflow:hidden;transition:.2s}
.cn-post:hover{border-color:var(--green);box-shadow:0 14px 30px rgba(15,42,28,.10);transform:translateY(-3px)}
.cn-post .im{aspect-ratio:16/10;overflow:hidden;background:var(--surface2)}
.cn-post .im img{width:100%;height:100%;object-fit:cover;transition:.4s}
.cn-post:hover .im img{transform:scale(1.06)}
.cn-post .bd{padding:16px 18px}
.cn-post .cat{font-size:11.5px;font-weight:700;letter-spacing:1px;text-transform:uppercase;color:var(--green)}
.cn-post h3{font-size:17px;color:var(--ink);margin:6px 0 8px;line-height:1.25;font-weight:600}
.cn-post p{font-size:13.5px;color:var(--muted);margin-bottom:10px}
.cn-post .rd{font-size:13px;color:var(--green);font-weight:600}
.cn-faq{max-width:900px}
.cn-faq details{border:1px solid var(--line);border-radius:var(--r);background:var(--surface);margin-bottom:10px}
.cn-faq summary{cursor:pointer;padding:16px 46px 16px 18px;font-family:'Space Grotesk';font-weight:600;color:var(--ink);list-style:none;position:relative}
.cn-faq summary::-webkit-details-marker{display:none}
.cn-faq summary:after{content:'+';position:absolute;right:18px;top:14px;color:var(--green);font-size:22px;line-height:1}
.cn-faq details[open] summary:after{content:'–'}
.cn-faq .a{padding:0 18px 16px;color:#4a5568;font-size:14.5px}
.cn-faq .a p{margin:0}
.cn-longread{max-width:820px}
.cn-longread h2{font-size:22px;margin:24px 0 10px}
.cn-article{max-width:900px;color:#3b4556;font-size:15.5px}
.cn-article p{margin-bottom:14px}.cn-article ul{margin:0 0 16px 22px}.cn-article li{margin-bottom:8px}
.cn-article strong{color:var(--ink)}.cn-article h2,.cn-article h3{color:var(--ink);margin:20px 0 10px}
.cn-cta{position:relative;overflow:hidden;background:var(--dark);color:#fff;padding:44px;text-align:center;border-radius:var(--r)}
.cn-cta:before{content:'';position:absolute;right:-60px;top:-60px;width:220px;height:220px;background:radial-gradient(circle,rgba(217,154,6,.25),transparent 70%)}
.cn-cta h3{font-size:28px;margin-bottom:8px;position:relative}
.cn-cta p{color:#c2cede;margin-bottom:20px;position:relative}
.cn-cta-btns{display:flex;gap:12px;justify-content:center;flex-wrap:wrap;position:relative}
.cn-filter{display:flex;gap:16px;align-items:center;flex-wrap:wrap;background:var(--surface);border:1px solid var(--line);border-radius:var(--r);padding:16px 18px;margin-bottom:22px}
.cn-search{flex:1;min-width:200px;padding:10px 16px;border:1px solid var(--line);border-radius:4px;outline:none;font-size:14px}
.cn-filter select{padding:10px 12px;border:1px solid var(--line);border-radius:4px;font-size:14px;outline:none}
.cn-filter .cn-price{display:flex;align-items:center;gap:12px;flex-wrap:wrap}
.cn-flabel{font-weight:600;color:var(--ink);font-size:14px}
.price-slider{position:relative;width:220px;height:32px}
.price-slider .ps-rail{position:absolute;top:50%;left:6px;right:6px;height:5px;transform:translateY(-50%);background:var(--surface2);border-radius:6px}
.price-slider .ps-fill{position:absolute;height:5px;background:var(--green);border-radius:6px}
.price-slider input[type=range]{position:absolute;top:0;left:0;width:100%;height:32px;margin:0;background:none;pointer-events:none;-webkit-appearance:none;appearance:none}
.price-slider input[type=range]::-webkit-slider-thumb{-webkit-appearance:none;pointer-events:auto;width:20px;height:20px;border-radius:50%;background:#fff;border:2px solid var(--green);cursor:pointer}
.price-slider input[type=range]::-moz-range-thumb{pointer-events:auto;width:20px;height:20px;border-radius:50%;background:#fff;border:2px solid var(--green);cursor:pointer}
.cn-pval{font-weight:700;color:var(--ink);font-size:13.5px;white-space:nowrap}
.cn-empty{text-align:center;padding:34px;color:var(--muted)}
.cn-pager{display:flex;justify-content:center;gap:8px;margin-top:34px;flex-wrap:wrap}
.cn-pager .pg{min-width:40px;height:40px;border-radius:4px;border:1px solid var(--line);background:#fff;color:var(--ink);font-weight:600;cursor:pointer}
.cn-pager .pg:hover:not([disabled]){border-color:var(--green);color:var(--green)}
.cn-pager .pg.on{background:var(--green);color:#fff;border-color:var(--green)}
.cn-pager .pg[disabled]{opacity:.4;cursor:default}
.cn-contact{display:grid;grid-template-columns:1fr 1fr;gap:30px}
.cn-cinfo h3{font-size:22px;color:var(--ink);margin-bottom:14px}
.cn-cinfo p{margin-bottom:10px}.cn-cinfo a{color:var(--green);font-weight:600}
.cn-form{background:var(--surface);border:1px solid var(--line);border-radius:var(--r);padding:24px;display:flex;flex-direction:column;gap:12px}
.cn-form input,.cn-form textarea{padding:12px;border:1px solid var(--line);border-radius:4px;font-family:inherit;font-size:15px}
.cn-footer{background:var(--dark);color:#a9b7cb;margin-top:52px;padding:48px 0 0}
.cn-fcols{display:grid;grid-template-columns:2fr 1fr 1fr;gap:30px}
.cn-footer .cn-flogo img{height:52px;margin-bottom:14px;background:#fff;padding:8px 12px;border-radius:4px}
.cn-footer h4{color:#fff;font-size:15px;margin-bottom:12px;font-family:'Space Grotesk'}
.cn-footer p{font-size:13.5px;margin-bottom:8px;line-height:1.6}
.cn-footer ul{list-style:none}.cn-footer li{margin-bottom:7px}
.cn-footer a{font-size:13.5px}.cn-footer a:hover{color:var(--gold-2)}
.cn-copyright{text-align:center;padding:18px;margin-top:30px;border-top:1px solid rgba(255,255,255,.1);font-size:12.5px;color:#7e8da2}
.cn-fab{position:fixed;right:16px;width:52px;height:52px;border-radius:50%;display:flex;align-items:center;justify-content:center;color:#fff;font-weight:700;box-shadow:0 6px 18px rgba(0,0,0,.25);z-index:80;font-size:14px}
.cn-fab.zalo{bottom:80px;background:#0068ff}
.cn-fab.call{bottom:16px;background:var(--gold);color:#1a1400}
.cn-rv{opacity:0;transform:translateY(26px);transition:opacity .7s ease,transform .7s ease}
.cn-rv.cn-left{transform:translateX(-30px)}
.cn-rv.cn-right{transform:translateX(30px)}
.cn-rv.cn-zoom{transform:scale(.94)}
.cn-rv.in{opacity:1;transform:none}
@media (min-width:821px) and (max-width:1024px){
  .cn-usp,.cn-grid,.cn-gal{grid-template-columns:repeat(3,1fr)}
  .cn-hero h1{font-size:42px}.cn-stats .wrap{grid-template-columns:repeat(4,1fr)}
}
@media (max-width:820px){
  .sec{padding:42px 0}
  .cn-toggle{display:inline-flex}
  .cn-header{position:relative}
  .cn-hd{padding:10px 16px}
  .cn-nav{position:absolute;left:0;right:0;top:100%;background:#fff;border-top:1px solid var(--line);box-shadow:0 14px 30px rgba(15,42,28,.14);display:none;margin-left:0;max-height:calc(100vh - 62px);overflow-y:auto;-webkit-overflow-scrolling:touch}
  body.nav-open .cn-nav{display:block}
  .cn-menu{flex-direction:column;align-items:stretch;padding:8px}
  .cn-menu>li>a{padding:13px 12px}
  .cn-menu>li>a:after{display:none}
  .cn-menu .sub{position:static;display:block;box-shadow:none;border-top:none;padding:0 0 6px 14px;min-width:0}
  .cn-topbar .wrap{justify-content:center}
  .cn-hero-in{padding:52px 20px}.cn-hero h1{font-size:30px}.cn-h1{font-size:26px}
  .cn-hero-sub{font-size:15px;margin-bottom:22px}
  .cn-subhero .in{padding:40px 20px}.cn-subhero h1{font-size:26px}.cn-subhero p{font-size:15px}
  .cn-sec-t{font-size:24px}
  .cn-stats .wrap{grid-template-columns:repeat(2,1fr)}.cn-stat{border-bottom:1px solid rgba(255,255,255,.08)}
  .cn-usp{grid-template-columns:1fr 1fr}.cn-usp .u{border-bottom:1px solid var(--line)}
  .cn-zrow{grid-template-columns:1fr;gap:20px;padding:28px 0}.cn-zrow.cn-rev .cn-zimg{order:0}
  .cn-znum{font-size:46px}
  .cn-gal{grid-template-columns:1fr 1fr;grid-auto-rows:130px}.cn-gal a:nth-child(1){grid-row:auto}.cn-gal a:nth-child(4){grid-column:auto}
  .cn-grid{grid-template-columns:repeat(2,1fr)}
  .cn-tiles,.cn-tiles.cn-tiles-3,.cn-tiles.cn-tiles-2{grid-template-columns:1fr 1fr}
  .cn-inds{grid-template-columns:1fr 1fr}.cn-steps{grid-template-columns:1fr 1fr}.cn-posts{grid-template-columns:1fr}
  .cn-cta{padding:30px 20px}.cn-cta h3{font-size:23px}
  .cn-fcols,.cn-contact{grid-template-columns:1fr}
  .cn-fcols{gap:24px}
  .cn-filter{gap:12px}.price-slider{width:100%}
  .cn-topbar .tb-addr{display:none}
  .cn-rv.cn-left,.cn-rv.cn-right{transform:translateY(24px)}
}
@media (max-width:560px){
  .wrap{padding:0 16px}
  .cn-hero h1{font-size:26px}
  .cn-hero-btns,.cn-cta-btns{flex-direction:column;align-items:stretch}
  .cn-hero-btns .cn-btn,.cn-cta-btns .cn-btn,.cn-subhero .cn-btn{width:100%;justify-content:center}
  .cn-stat{padding:22px 14px}.cn-stat .n{font-size:32px}
  .cn-gal{grid-template-columns:1fr;grid-auto-rows:180px}
  .cn-usp,.cn-grid,.cn-tiles,.cn-tiles.cn-tiles-3,.cn-tiles.cn-tiles-2,.cn-inds,.cn-steps{grid-template-columns:1fr}
  .cn-card-body h3{min-height:0}
  .cn-fab{width:48px;height:48px}
}

/* ===== Chips lọc nhóm ===== */
.cn-chips{display:flex;flex-wrap:wrap;gap:8px;margin:0 0 20px}
.cn-chip{padding:8px 15px;border:1px solid var(--line);background:var(--surface);border-radius:30px;font-family:'Space Grotesk',sans-serif;font-weight:600;font-size:13px;color:var(--ink);cursor:pointer;transition:.15s}
.cn-chip:hover{border-color:var(--green);color:var(--green)}
.cn-chip.on{background:var(--green);border-color:var(--green);color:#fff}
.cn-card-grp{display:inline-block;font-size:11px;font-weight:700;letter-spacing:.6px;text-transform:uppercase;color:var(--green);margin-bottom:4px}

/* ===== Trang chi tiết sản phẩm ===== */
.cn-pd{display:grid;grid-template-columns:minmax(0,1fr) minmax(0,1fr);gap:36px;margin-bottom:34px}
.cn-pd-main{border:1px solid var(--line);background:var(--surface);aspect-ratio:1;overflow:hidden;border-radius:var(--r)}
.cn-pd-main img{width:100%;height:100%;object-fit:cover}
.cn-pd-thumbs{display:flex;gap:10px;margin-top:12px;flex-wrap:wrap}
.cn-pd-thumbs img{width:72px;height:72px;object-fit:cover;border:1px solid var(--line);border-radius:4px;cursor:pointer;background:var(--surface);transition:.15s}
.cn-pd-thumbs img:hover{border-color:var(--green)}
.cn-pd-title{font-size:30px;color:var(--ink);margin:6px 0 10px;font-weight:700;line-height:1.15}
.cn-pd-price{display:flex;flex-direction:column;gap:2px;font-family:'Space Grotesk';font-size:28px;font-weight:700;color:var(--green);margin-bottom:12px}
.cn-pd-price .vat{font-family:'Inter';font-size:12.5px;font-weight:400;color:var(--muted)}
.cn-pd-short{color:#495264;font-size:15px;margin-bottom:16px}
.cn-pd-badges{list-style:none;display:flex;flex-wrap:wrap;gap:10px 20px;margin:0 0 20px;padding:0}
.cn-pd-badges li{display:inline-flex;align-items:center;gap:8px;font-size:13.5px;color:var(--ink);font-weight:600}
.cn-pd-badges li .cn-ic{width:20px;height:20px;color:var(--green)}
.cn-pd-secs{margin:10px 0 30px}
.cn-pd-sec{margin-bottom:26px}
.cn-spec{width:100%;border-collapse:collapse;max-width:640px;border:1px solid var(--line)}
.cn-spec th,.cn-spec td{text-align:left;padding:11px 16px;font-size:14.5px;border-bottom:1px solid var(--line);vertical-align:top}
.cn-spec th{width:38%;background:var(--surface2);color:var(--ink);font-weight:600;font-family:'Space Grotesk'}
.cn-spec td{color:#495264}
.cn-spec tr:last-child th,.cn-spec tr:last-child td{border-bottom:none}
@media (max-width:820px){
  .cn-pd{grid-template-columns:1fr;gap:20px}
  .cn-pd-title{font-size:24px}
  .cn-spec th{width:42%}
}

/* ===== Lead giới thiệu ngắn đầu trang ===== */
.cn-lead{font-size:16.5px;color:#45505f;max-width:840px;margin-bottom:26px}

/* ===== Danh mục dạng icon tròn nhỏ (bấm vào nhóm) ===== */
.cn-catnav{display:grid;grid-template-columns:repeat(6,1fr);gap:14px}
.cn-catnav-i{display:flex;flex-direction:column;align-items:center;gap:10px;text-align:center;padding:18px 8px;border:1px solid var(--line);background:var(--surface);border-radius:var(--r);transition:.18s}
.cn-catnav-i:hover{border-color:var(--green);transform:translateY(-4px);box-shadow:0 12px 26px rgba(15,42,28,.10)}
.cn-catnav-i .ic{width:62px;height:62px;border-radius:50%;background:var(--surface2);display:flex;align-items:center;justify-content:center;overflow:hidden;transition:.18s;border:1px solid var(--line)}
.cn-catnav-i:hover .ic{background:#e8f4ee;border-color:var(--green);transform:scale(1.06)}
.cn-catnav-i .ic img{width:74%;height:74%;object-fit:contain}
.cn-catnav-i b{font-size:12.5px;font-weight:600;color:var(--ink);line-height:1.25}
.cn-catnav-i:hover b{color:var(--green)}
@media (max-width:1024px){.cn-catnav{grid-template-columns:repeat(4,1fr)}}
@media (max-width:560px){.cn-catnav{grid-template-columns:repeat(3,1fr)}.cn-catnav-i .ic{width:54px;height:54px}}

/* ===== Icon danh mục: vòng tròn sạch, fit PNG nền trong suốt ===== */
.cn-catnav-i{border:none;background:transparent;padding:12px 6px}
.cn-catnav-i:hover{background:transparent;box-shadow:none;transform:translateY(-3px)}
.cn-catnav-i .ic{width:76px;height:76px;border-radius:50%;background:radial-gradient(circle at 50% 38%,#ffffff,#eef3f9);display:flex;align-items:center;justify-content:center;overflow:hidden;transition:.25s;box-shadow:0 6px 16px rgba(15,42,28,.10),inset 0 0 0 1px var(--line)}
.cn-catnav-i .ic img{width:88%;height:88%;object-fit:contain}
.cn-catnav-i:hover .ic{box-shadow:0 12px 26px rgba(26,127,60,.22),inset 0 0 0 2px var(--green);transform:scale(1.05)}
.cn-catnav-i b{font-size:13px;margin-top:2px}

/* ===== Khối sản phẩm theo nhóm (trang tổng quan) ===== */
.cn-catsec{margin-bottom:44px}
.cn-catsec-h{display:flex;align-items:center;justify-content:space-between;gap:16px;flex-wrap:wrap;margin-bottom:8px}
.cn-catsec-h .cn-sec-t{margin:0}
.cn-morelink{display:inline-flex;align-items:center;gap:7px;color:var(--green);font-weight:600;font-size:14px;white-space:nowrap}
.cn-morelink .cn-ic{width:18px;height:18px;transition:.2s}
.cn-morelink:hover{color:var(--green-d)}
.cn-morelink:hover .cn-ic{transform:translateX(5px)}

/* ============================================================
   .cn-fx — BỘ HIỆU ỨNG CAO CẤP (showcase, sẽ nhân sang trang khác)
   ============================================================ */
/* Tiêu đề: gạch gold chạy ra khi khối hiện lên */
.cn-fx .cn-sec-t{position:relative;display:inline-block;padding-bottom:9px}
.cn-fx .cn-sec-t:after{content:'';position:absolute;left:0;bottom:0;height:3px;width:0;background:linear-gradient(90deg,var(--gold),var(--gold-2));border-radius:3px;transition:width .6s cubic-bezier(.2,.7,.2,1) .1s}
.cn-fx .cn-rv.in .cn-sec-t:after,.cn-fx .cn-sec-t.in:after{width:52px}
/* Thẻ sản phẩm: nâng mạnh + quét sáng (shine) */
.cn-fx .cn-card{transition:transform .25s cubic-bezier(.2,.7,.2,1),box-shadow .25s,border-color .25s}
.cn-fx .cn-card:hover{transform:translateY(-6px);box-shadow:0 22px 44px rgba(15,42,28,.18);border-color:var(--green)}
.cn-fx .cn-card-img{position:relative}
.cn-fx .cn-card-img:after{content:'';position:absolute;top:0;left:-130%;width:65%;height:100%;background:linear-gradient(100deg,transparent,rgba(255,255,255,.55),transparent);transform:skewX(-18deg);transition:left .65s ease;pointer-events:none;z-index:2}
.cn-fx .cn-card:hover .cn-card-img:after{left:135%}
.cn-fx .cn-card:hover .cn-card-body h3{color:var(--green)}
.cn-fx .cn-card:hover .cn-card-cta{color:var(--green)}
/* Nút gold: ánh sáng quét qua */
.cn-fx .cn-btn-gold{position:relative;overflow:hidden}
.cn-fx .cn-btn-gold:after{content:'';position:absolute;top:0;left:-140%;width:55%;height:100%;background:linear-gradient(100deg,transparent,rgba(255,255,255,.6),transparent);transform:skewX(-18deg);transition:left .6s ease}
.cn-fx .cn-btn-gold:hover:after{left:150%}

/* ===== Thẻ sản phẩm: chỉ tên + giá, tên căn giữa 2 dòng đều nhau, giá dán góc ảnh ===== */
.cn-card-img{position:relative}
.cn-price-tag{position:absolute;top:0;left:0;z-index:3;background:var(--green);color:#fff;font-family:'Space Grotesk',sans-serif;font-weight:700;font-size:14px;line-height:1;padding:7px 12px;border-radius:0 0 10px 0;box-shadow:0 4px 12px rgba(15,42,28,.18)}
.cn-card-body{padding:14px 12px 16px;text-align:center}
.cn-card-body h3{font-family:'Inter',sans-serif;font-size:14.5px;font-weight:600;color:var(--ink);line-height:1.35;margin:0;min-height:2.7em;display:-webkit-box;-webkit-line-clamp:2;-webkit-box-orient:vertical;overflow:hidden}
.cn-fx .cn-card:hover .cn-card-body h3{color:var(--green)}
.cn-fx .cn-card:hover .cn-price-tag{background:var(--green-d)}

/* ===== Mobile: 2 sản phẩm/hàng cho dễ xem, chữ/giá gọn ===== */
@media (max-width:560px){
  .cn-grid{grid-template-columns:repeat(2,1fr);gap:12px}
  .cn-card-body{padding:11px 9px 13px}
  .cn-card-body h3{font-size:13px;min-height:2.7em}
  .cn-price-tag{font-size:12.5px;padding:6px 10px}
  .cn-catsec{margin-bottom:32px}
}
@media (max-width:360px){
  .cn-card-body h3{font-size:12.5px}
}

/* ============================================================
   .cn-fx — ĐIỂM NHẤN CAO CẤP BỔ SUNG (rải mỗi chỗ vài cái)
   ============================================================ */
/* 1) Gạch gold tự vẽ dưới tiêu đề H1 khi vào trang */
.cn-fx .cn-h1:after{content:'';display:block;width:0;height:4px;margin-top:12px;background:linear-gradient(90deg,var(--gold),var(--gold-2));border-radius:4px;animation:cn-draw .9s .15s forwards cubic-bezier(.2,.7,.2,1)}
@keyframes cn-draw{to{width:66px}}
/* 2) Số thứ tự vàng trước tên mỗi nhóm (kiểu biên tập) */
.cn-fx main{counter-reset:catnum}
.cn-fx .cn-catsec{counter-increment:catnum}
.cn-fx .cn-catsec-h .cn-sec-t:before{content:counter(catnum,decimal-leading-zero);font-size:15px;color:var(--gold);font-weight:700;margin-right:12px;letter-spacing:1px}
/* 3) "Xem thêm": gạch chân chạy ra khi hover */
.cn-fx .cn-morelink{position:relative}
.cn-fx .cn-morelink:before{content:'';position:absolute;left:0;bottom:-3px;height:2px;width:0;background:var(--green);transition:width .3s ease}
.cn-fx .cn-morelink:hover:before{width:100%}
/* 4) Cascade: icon danh mục + thẻ SP hiện lần lượt khi cuộn tới */
@keyframes cn-in{from{opacity:0;transform:translateY(20px)}to{opacity:1;transform:none}}
.cn-fx .cn-catnav.in .cn-catnav-i,.cn-fx .cn-catsec.in .cn-card{animation:cn-in .5s both}
.cn-fx .cn-catsec.in .cn-card:nth-child(2){animation-delay:.06s}
.cn-fx .cn-catsec.in .cn-card:nth-child(3){animation-delay:.12s}
.cn-fx .cn-catsec.in .cn-card:nth-child(4){animation-delay:.18s}
.cn-fx .cn-catsec.in .cn-card:nth-child(5){animation-delay:.24s}
.cn-fx .cn-catsec.in .cn-card:nth-child(6){animation-delay:.3s}
.cn-fx .cn-catsec.in .cn-card:nth-child(7){animation-delay:.36s}
.cn-fx .cn-catsec.in .cn-card:nth-child(8){animation-delay:.42s}
.cn-fx .cn-catnav.in .cn-catnav-i:nth-child(2){animation-delay:.04s}
.cn-fx .cn-catnav.in .cn-catnav-i:nth-child(3){animation-delay:.08s}
.cn-fx .cn-catnav.in .cn-catnav-i:nth-child(4){animation-delay:.12s}
.cn-fx .cn-catnav.in .cn-catnav-i:nth-child(5){animation-delay:.16s}
.cn-fx .cn-catnav.in .cn-catnav-i:nth-child(6){animation-delay:.2s}
.cn-fx .cn-catnav.in .cn-catnav-i:nth-child(7){animation-delay:.24s}
.cn-fx .cn-catnav.in .cn-catnav-i:nth-child(8){animation-delay:.28s}
.cn-fx .cn-catnav.in .cn-catnav-i:nth-child(9){animation-delay:.32s}
.cn-fx .cn-catnav.in .cn-catnav-i:nth-child(10){animation-delay:.36s}
.cn-fx .cn-catnav.in .cn-catnav-i:nth-child(11){animation-delay:.4s}
.cn-fx .cn-catnav.in .cn-catnav-i:nth-child(12){animation-delay:.44s}
/* 5) Thanh tiến trình cuộn (gold) — chỉ trang cn-fx */
.cn-progress{position:fixed;top:0;left:0;height:3px;width:0;background:linear-gradient(90deg,var(--gold),var(--gold-2));z-index:100;box-shadow:0 0 8px rgba(217,154,6,.55);transition:width .08s linear}
@media (prefers-reduced-motion:reduce){
  .cn-fx .cn-catnav.in .cn-catnav-i,.cn-fx .cn-catsec.in .cn-card{animation:none}
  .cn-fx .cn-h1:after{animation:none;width:66px}
}

/* ============================================================
   .cn-fx v2 — ĐA DẠNG GIỮA CÁC NHÓM + NHIỀU HIỆU ỨNG LẺ
   ============================================================ */
/* Nhóm chẵn: nền panel tinted bo góc; xen kẽ đỡ đơn điệu */
.cn-fx .cn-catsec{position:relative;padding:10px 0}
.cn-fx .cn-catsec:nth-child(even){background:linear-gradient(180deg,#f1f8f4,#ecf2fb);border:1px solid var(--line);border-radius:16px;padding:20px 20px 26px}
/* Vào từ trái/phải xen kẽ theo nhóm */
.cn-fx .cn-catsec.cn-rv{transform:translateX(-34px)}
.cn-fx .cn-catsec:nth-child(even).cn-rv{transform:translateX(34px)}
.cn-fx .cn-catsec.cn-rv.in{transform:none}
/* Số nhóm to + chữ gradient (lẻ gold→green, chẵn green→gold) */
.cn-fx .cn-catsec-h .cn-sec-t:before{content:counter(catnum,decimal-leading-zero);font-size:22px;font-weight:700;margin-right:12px;letter-spacing:1px;background:linear-gradient(120deg,var(--gold),var(--green));-webkit-background-clip:text;background-clip:text;-webkit-text-fill-color:transparent}
.cn-fx .cn-catsec:nth-child(even) .cn-sec-t:before{background:linear-gradient(120deg,var(--green),var(--gold));-webkit-background-clip:text;background-clip:text}
/* Thẻ SP: khung góc gold hiện khi hover (chất công nghiệp) */
.cn-fx .cn-card{position:relative}
.cn-fx .cn-card:before,.cn-fx .cn-card:after{content:'';position:absolute;width:15px;height:15px;opacity:0;transition:.25s;z-index:4;pointer-events:none}
.cn-fx .cn-card:before{top:8px;left:8px;border-top:2px solid var(--gold);border-left:2px solid var(--gold)}
.cn-fx .cn-card:after{bottom:8px;right:8px;border-bottom:2px solid var(--gold);border-right:2px solid var(--gold)}
.cn-fx .cn-card:hover:before,.cn-fx .cn-card:hover:after{opacity:1}
/* Catnav: vòng sáng gold quay quanh icon khi hover */
.cn-fx .cn-catnav-i:before{content:'';position:absolute;top:12px;left:50%;width:84px;height:84px;transform:translateX(-50%);border-radius:50%;background:conic-gradient(from 0deg,var(--gold-2),transparent 35%,transparent 65%,var(--green));opacity:0;transition:opacity .3s;animation:cn-spin 4s linear infinite;z-index:0}
.cn-fx .cn-catnav-i:hover:before{opacity:.85}
.cn-fx .cn-catnav-i .ic,.cn-fx .cn-catnav-i b{position:relative;z-index:1}
@keyframes cn-spin{to{transform:translateX(-50%) rotate(360deg)}}
/* Xem thêm: nền pill xanh nhạt khi hover (thay gạch chân) */
.cn-fx .cn-morelink{padding:7px 14px;border-radius:30px;transition:background .25s,color .25s}
.cn-fx .cn-morelink:before{display:none}
.cn-fx .cn-morelink:hover{background:rgba(26,127,60,.10);color:var(--green-d)}
/* Spotlight vàng theo con trỏ trên dải cam kết */
.cn-fx .cn-usp{position:relative;overflow:hidden}
.cn-fx .cn-usp:after{content:'';position:absolute;inset:0;pointer-events:none;background:radial-gradient(170px circle at var(--mx,50%) var(--my,50%),rgba(217,154,6,.14),transparent 60%);opacity:0;transition:opacity .3s;z-index:1}
.cn-fx .cn-usp:hover:after{opacity:1}
.cn-fx .cn-usp .u{z-index:2}
/* Nút lên đầu trang */
.cn-totop{position:fixed;right:16px;bottom:144px;width:46px;height:46px;border-radius:50%;background:var(--dark);color:var(--gold-2);border:1px solid rgba(255,255,255,.16);display:flex;align-items:center;justify-content:center;cursor:pointer;opacity:0;transform:translateY(10px);pointer-events:none;transition:.3s;z-index:85;font-size:20px;box-shadow:0 8px 20px rgba(0,0,0,.28)}
.cn-totop.show{opacity:1;transform:none;pointer-events:auto}
.cn-totop:hover{background:var(--green);color:#fff}
@media (prefers-reduced-motion:reduce){
  .cn-fx *{animation:none!important}
  .cn-fx .cn-catsec.cn-rv{transform:none}
}

/* ===== Gỡ hiệu ứng hover đặc biệt trên thẻ SP (giữ hover cơ bản nhẹ) ===== */
.cn-fx .cn-card:before,.cn-fx .cn-card:after{display:none}
.cn-fx .cn-card:hover{transform:translateY(-3px);box-shadow:0 14px 30px rgba(15,42,28,.10)}
.cn-fx .cn-card:hover .cn-card-body h3{color:var(--ink)}
.cn-fx .cn-card:hover .cn-price-tag{background:var(--green)}
/* Bỏ nút lên đầu trang */
.cn-totop{display:none!important}

/* ===== Nhóm SP: chỉ giữ hiệu ứng vào trái/phải xen kẽ ===== */
.cn-fx .cn-catsec:nth-child(even){background:none;border:none;border-radius:0;padding:10px 0}
.cn-fx .cn-catsec.in .cn-card{animation:none}

/* ===== Nền trang chuyển tông DẦN DẦN theo chiều dọc (trang cn-fx) ===== */
body.cn-fx{
  background-color:#eef3f9;
  background-image:
    radial-gradient(rgba(22,32,46,.05) 1px,transparent 1.4px),
    linear-gradient(180deg,#eef3f9 0%,#e4f1e9 20%,#f4f1e2 40%,#e8eef7 60%,#e6f2ea 80%,#eef3f9 100%);
  background-size:22px 22px,100% 100%;
  background-repeat:repeat,no-repeat;
  background-attachment:scroll,scroll;
}

/* ===== Thẻ sản phẩm: xám bạc bóng, sang trọng ===== */
.cn-card{background:linear-gradient(155deg,#f7f9fb 0%,#e7ecf2 58%,#dfe5ee 100%);border:1px solid #ccd5df;box-shadow:0 6px 18px rgba(20,30,45,.10),inset 0 1px 0 rgba(255,255,255,.72)}
.cn-card-img{background:linear-gradient(160deg,#fcfdfe,#edf1f6)}
.cn-card-body h3{color:var(--ink)}
.cn-card:hover{border-color:var(--green);box-shadow:0 16px 36px rgba(20,30,45,.17),inset 0 1px 0 rgba(255,255,255,.8);transform:translateY(-4px)}
.cn-fx .cn-card:hover{transform:translateY(-4px);box-shadow:0 16px 36px rgba(20,30,45,.17),inset 0 1px 0 rgba(255,255,255,.8)}

/* ===== Thẻ sản phẩm: hiệu ứng BÓNG LOÁNG (ánh kính + vệt sáng quét) ===== */
.cn-card-img{position:relative;overflow:hidden}
.cn-card-img:before{content:'';position:absolute;inset:0;z-index:2;pointer-events:none;background:linear-gradient(128deg,rgba(255,255,255,.5) 0%,rgba(255,255,255,.14) 16%,rgba(255,255,255,0) 38%)}
.cn-card-img:after{content:'';position:absolute;top:-40%;left:-65%;width:45%;height:200%;z-index:3;pointer-events:none;transform:rotate(20deg);background:linear-gradient(90deg,transparent,rgba(255,255,255,.9),transparent);transition:left .7s ease;display:block}
.cn-card:hover .cn-card-img:after{left:145%}
.cn-fx .cn-card:hover .cn-card-img:after{left:145%}
.cn-price-tag{z-index:4}

/* ===== Hoạ tiết nền công nghiệp (trang cn-fx) ===== */
body.cn-fx{
  background-color:#eef3f9;
  background-image:
    radial-gradient(rgba(22,32,46,.05) 1px,transparent 1.4px),
    radial-gradient(520px circle at 7% 12%,rgba(26,127,60,.10),transparent 60%),
    radial-gradient(560px circle at 97% 42%,rgba(217,154,6,.09),transparent 60%),
    linear-gradient(180deg,#eef3f9 0%,#e4f1e9 20%,#f4f1e2 40%,#e8eef7 60%,#e6f2ea 80%,#eef3f9 100%);
  background-size:22px 22px,auto,auto,100% 100%;
  background-repeat:repeat,no-repeat,no-repeat,no-repeat;
  background-attachment:scroll,fixed,fixed,scroll;
}
/* Vòng tròn kỹ thuật mờ ở góc trên–phải */
body.cn-fx::before{content:'';position:fixed;top:-130px;right:-130px;width:440px;height:440px;z-index:-1;pointer-events:none;opacity:.55;border-radius:50%;
  background:repeating-radial-gradient(circle at 50% 50%,transparent 0 26px,rgba(26,127,60,.12) 26px 28px);
  -webkit-mask:radial-gradient(circle at 50% 50%,#000 58%,transparent 72%);mask:radial-gradient(circle at 50% 50%,#000 58%,transparent 72%)}
/* Vạch chéo engineering mờ ở góc dưới–trái */
body.cn-fx::after{content:'';position:fixed;left:-90px;bottom:-90px;width:380px;height:380px;z-index:-1;pointer-events:none;opacity:.6;
  background:repeating-linear-gradient(45deg,rgba(217,154,6,.12) 0 2px,transparent 2px 15px);
  -webkit-mask:radial-gradient(circle at 30% 70%,#000 52%,transparent 74%);mask:radial-gradient(circle at 30% 70%,#000 52%,transparent 74%)}

/* ===== Chi tiết SP: nút Facebook + mô tả cạnh ảnh (dưới cụm nút) ===== */
.cn-btn-fb{background:#1877f2;color:#fff}.cn-btn-fb:hover{background:#0f5ecb;transform:translateY(-2px)}
.cn-pd-btns{justify-content:flex-start;gap:10px}
.cn-pd-desc{margin-top:22px;border-top:1px solid var(--line);padding-top:18px}
.cn-pd-dh{font-size:17px;color:var(--ink);margin-bottom:10px;font-weight:600}
.cn-pd-desc .cn-article{max-width:none;font-size:14.5px;color:#3b4556}
@media (max-width:560px){.cn-pd-btns .cn-btn{flex:1 1 100%;justify-content:center}}