/* =====================================================================
   MEILILE — Multi-page chrome (A1)
   Header/menu/footer/breadcrumb/hero phụ/blog/giải pháp.
   Dùng lại biến màu :root từ site.min.css (--gold, --bg-2, --line ...).
   ===================================================================== */

/* ---------- Sticky header ---------- */
.mp-hdr{position:sticky;top:0;z-index:100;background:rgba(14,14,18,.86);
  backdrop-filter:blur(12px);border-bottom:1px solid var(--line)}
.mp-bar{display:flex;align-items:center;gap:22px;height:68px}
.mp-brand{display:flex;align-items:center;gap:11px;flex:none;text-decoration:none}
.mp-brand img{height:40px;width:auto;display:block}
.mp-brand-t{display:flex;flex-direction:column;line-height:1.05;font-weight:900;
  color:#fff;font-size:1.12rem;letter-spacing:.02em}
.mp-brand-t small{font-weight:600;font-size:.62rem;color:var(--gold);letter-spacing:.05em;text-transform:uppercase;margin-top:3px;line-height:1.2}

.mp-menu{display:flex;align-items:center;gap:4px;margin-left:6px}
.mp-menu>a,.mp-drop-t{display:inline-flex;align-items:center;gap:5px;padding:9px 13px;border-radius:var(--r-sm);
  font-family:inherit;font-size:.95rem;font-weight:600;color:var(--cream);background:none;border:none;
  cursor:pointer;text-decoration:none;transition:var(--dur-fast);white-space:nowrap}
.mp-menu>a:hover,.mp-drop-t:hover{color:var(--gold);background:rgba(214,178,94,.08)}
.mp-menu>a.active,.mp-drop.active .mp-drop-t{color:var(--gold);background:rgba(214,178,94,.12)}

/* dropdown Sản phẩm */
.mp-drop{position:relative}
.mp-drop-m{position:absolute;top:calc(100% + 8px);left:0;min-width:290px;background:var(--panel);
  border:1px solid var(--line);border-radius:var(--r-md);padding:8px;box-shadow:var(--shadow-lg);
  opacity:0;visibility:hidden;transform:translateY(8px);transition:var(--dur-fast);display:flex;flex-direction:column;gap:2px}
.mp-drop:hover .mp-drop-m,.mp-drop.open .mp-drop-m,
.mp-drop:focus-within .mp-drop-m{opacity:1;visibility:visible;transform:none}
.mp-drop-m a{display:flex;flex-direction:column;gap:2px;padding:11px 13px;border-radius:var(--r-md);
  text-decoration:none;transition:var(--dur-fast)}
.mp-drop-m a:hover{background:rgba(214,178,94,.1)}
.mp-drop-m a b{color:#fff;font-size:.96rem;font-weight:700}
.mp-drop-m a small{color:var(--muted);font-size:.78rem}

.mp-cta{display:flex;align-items:center;gap:12px;margin-left:auto;flex:none}
.mp-zalo{display:inline-flex;align-items:center;gap:7px;text-decoration:none;color:var(--cream);
  font-weight:700;font-size:.9rem}
.mp-zalo svg{width:26px;height:26px;border-radius:var(--r-sm)}
.mp-burger{display:none;flex-direction:column;gap:5px;width:42px;height:42px;border:1px solid var(--line);
  border-radius:var(--r-md);background:var(--bg-2);cursor:pointer;align-items:center;justify-content:center}
.mp-burger span{width:20px;height:2px;background:var(--cream);transition:var(--dur)}
.mp-burger.x span:nth-child(1){transform:translateY(7px) rotate(45deg)}
.mp-burger.x span:nth-child(2){opacity:0}
.mp-burger.x span:nth-child(3){transform:translateY(-7px) rotate(-45deg)}

@media(max-width:980px){
  .mp-zalo span{display:none}
  .mp-burger{display:flex}
  .mp-menu{position:absolute;top:68px;left:0;right:0;flex-direction:column;align-items:stretch;gap:2px;
    background:var(--bg-2);border-bottom:1px solid var(--line);padding:12px 16px 18px;margin:0;
    max-height:0;overflow:hidden;opacity:0;visibility:hidden;transition:var(--dur)}
  .mp-menu.open{max-height:80vh;overflow:auto;opacity:1;visibility:visible}
  .mp-menu>a,.mp-drop-t{width:100%;padding:13px 12px;font-size:1rem;justify-content:space-between}
  .mp-drop-m{position:static;opacity:1;visibility:visible;transform:none;box-shadow:none;background:rgba(255,255,255,.03);
    min-width:0;margin:2px 0 4px;max-height:0;overflow:hidden;padding:0;transition:var(--dur);border:none}
  .mp-drop.open .mp-drop-m{max-height:520px;overflow:auto;padding:6px}
}

/* ---------- Breadcrumb ---------- */
.mp-crumb{background:var(--bg-2);border-bottom:1px solid var(--line)}
.mp-crumb .wrap{display:flex;flex-wrap:wrap;align-items:center;gap:7px;padding-top:12px;padding-bottom:12px;
  font-size:.85rem;color:var(--muted)}
.mp-crumb a{color:var(--muted);text-decoration:none}
.mp-crumb a:hover{color:var(--gold)}
.mp-crumb .sep{opacity:.5}
.mp-crumb .cur{color:var(--gold);font-weight:600}

/* ---------- Sub-page hero banner ---------- */
.mp-hero{position:relative;text-align:center;padding:66px 0 58px;overflow:hidden;
  background:radial-gradient(120% 140% at 50% 0,rgba(214,178,94,.14),transparent 60%)}
.mp-hero .wrap{position:relative;z-index:1;max-width:820px}
.mp-hero .kick{display:inline-block;font-size:.74rem;font-weight:800;letter-spacing:.05em;text-transform:uppercase;
  color:var(--gold);margin-bottom:14px;line-height:1.3}
.mp-hero h1{font-size:clamp(1.9rem,4.6vw,3rem);font-weight:700;line-height:1.18;color:#fff;margin:0 0 16px}
.mp-hero h1 .gold{background:var(--grad-gold);-webkit-background-clip:text;background-clip:text;color:transparent}
.mp-hero p{font-size:1.06rem;color:var(--cream);line-height:1.65;margin:0 auto;max-width:640px}
.mp-hero .hero-actions{display:flex;gap:13px;justify-content:center;flex-wrap:wrap;margin-top:26px}

/* ---------- Solutions (giai-phap) ---------- */
.sol-grid{display:grid;gap:18px;grid-template-columns:1fr}
@media(min-width:640px){.sol-grid{grid-template-columns:repeat(2,1fr)}}
@media(min-width:980px){.sol-grid{grid-template-columns:repeat(3,1fr)}}
.sol-card{background:var(--bg-2);border:1px solid var(--line);border-radius:var(--r-lg);padding:26px 24px;transition:var(--dur)}
.sol-card:hover{border-color:var(--gold);transform:translateY(-3px);box-shadow:var(--shadow-gold)}
.sol-card .ic{width:38px;height:38px;display:grid;place-items:center;background:#16161b;border:1px solid var(--line);border-radius:8px;color:var(--gold);margin-bottom:14px;transition:var(--dur-fast)}.sol-card .ic svg{width:20px;height:20px}
.sol-card h3{color:#fff;font-size:1.16rem;margin:0 0 8px;font-weight:800}
.sol-card p{color:var(--muted);font-size:.94rem;line-height:1.6;margin:0 0 14px}
.sol-card .rec{display:inline-block;font-size:.8rem;font-weight:700;color:var(--gold);
  border:1px solid var(--line);border-radius:var(--r-full);padding:5px 12px}

/* ---------- Blog / Tin tức ---------- */
.blog-grid{display:grid;gap:22px;grid-template-columns:1fr}
@media(min-width:680px){.blog-grid{grid-template-columns:repeat(2,1fr)}}
@media(min-width:1000px){.blog-grid{grid-template-columns:repeat(3,1fr)}}
.blog-card{display:flex;flex-direction:column;background:var(--bg-2);border:1px solid var(--line);
  border-radius:var(--r-lg);overflow:hidden;text-decoration:none;transition:var(--dur)}
.blog-card:hover{border-color:var(--gold);transform:translateY(-6px);box-shadow:var(--shadow-gold)}
.blog-card .thumb{aspect-ratio:16/10;overflow:hidden;background:#000}
.blog-card .thumb img{width:100%;height:100%;object-fit:cover;display:block;transition:transform var(--dur-slow)}
.blog-card:hover .thumb img{transform:scale(1.06)}
.blog-card .bc-body{padding:18px 20px 22px}
.blog-card .tag{display:inline-block;font-size:.72rem;font-weight:700;color:var(--gold);letter-spacing:.04em;
  text-transform:uppercase;margin-bottom:9px}
.blog-card h3{color:#fff;font-size:1.1rem;line-height:1.35;margin:0 0 9px;font-weight:800}
.blog-card p{color:var(--muted);font-size:.9rem;line-height:1.55;margin:0}
.blog-card .more{color:var(--gold);font-weight:700;font-size:.86rem;margin-top:13px;display:inline-block}

/* ---------- Article ---------- */
.article{max-width:820px;margin:0 auto}
.article .lead{font-size:1.14rem;color:var(--cream);line-height:1.7;margin:0 0 26px;font-weight:500}
.article h2{font-size:1.5rem;color:#fff;font-weight:800;margin:38px 0 14px;line-height:1.25}
.article h3{font-size:1.18rem;color:var(--gold-2);font-weight:800;margin:26px 0 10px}
.article p{color:var(--cream);font-size:1.04rem;line-height:1.8;margin:0 0 18px}
.article ul{margin:0 0 18px;padding-left:4px;list-style:none}
.article ul li{position:relative;padding-left:26px;margin-bottom:10px;color:var(--cream);line-height:1.7}
.article ul li::before{content:"";position:absolute;left:0;top:.36em;width:14px;height:14px;background:url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' viewBox='0 0 24 24' fill='none' stroke='%23d6b25e' stroke-width='2.6' stroke-linecap='round' stroke-linejoin='round'%3E%3Cpath d='m4 12.5 5.5 5.5L20 6.5'/%3E%3C/svg%3E") center/contain no-repeat}
.article img{width:100%;border-radius:var(--r-md);border:1px solid var(--line);margin:22px 0;display:block}
.article .fig{margin:22px 0}
.article .fig figcaption{text-align:center;font-size:.84rem;color:var(--muted-2);margin-top:9px}
.article .callout{background:linear-gradient(180deg,rgba(214,178,94,.1),rgba(214,178,94,.02));
  border:1px solid var(--gold);border-radius:var(--r-md);padding:22px 24px;margin:26px 0}
.article .callout b{color:var(--gold)}

/* ---------- Footer ---------- */
.mp-foot{background:var(--bg);border-top:1px solid var(--line);margin-top:20px}
.mp-foot-top{display:grid;grid-template-columns:1.6fr 1fr 1fr 1fr;gap:30px;padding:52px 0 36px}
.mp-foot-brand img{height:52px;width:auto;margin-bottom:14px}
.mp-foot-brand p{color:var(--muted);font-size:.9rem;line-height:1.65;max-width:340px;margin:0}
.mp-foot-col h4{color:#fff;font-size:.96rem;font-weight:800;margin:0 0 14px}
.mp-foot-col a{display:block;color:var(--muted);text-decoration:none;font-size:.9rem;margin-bottom:10px;transition:var(--dur-fast)}
.mp-foot-col a:hover{color:var(--gold)}
.mp-foot-co{display:grid;grid-template-columns:1fr 1fr;gap:18px;border-top:1px solid var(--line);padding:24px 0}
/* Khối pháp nhân cao cấp: gộp từ footer thế hệ cũ — thanh vàng ::before + tên công ty Playfair */
.mp-foot-co .fco{display:flex;gap:14px;align-items:flex-start;position:relative;overflow:hidden;
  background:linear-gradient(180deg,rgba(214,178,94,.07),rgba(214,178,94,.015));
  border:1px solid var(--line);border-radius:var(--r-lg);padding:18px 20px 18px 22px}
.mp-foot-co .fco::before{content:"";position:absolute;left:0;top:0;bottom:0;width:3px;background:var(--grad-gold)}
.mp-foot-co .flag{line-height:0;flex:none;padding-top:2px}
.mp-foot-co b{display:block;font-family:'Playfair Display',Georgia,serif;font-weight:700;font-size:1.04rem;
  letter-spacing:.01em;line-height:1.3;margin-bottom:5px;color:var(--gold)}
.mp-foot-co span{color:var(--muted);font-size:.82rem;line-height:1.5}
.mp-foot-bottom{border-top:1px solid var(--line);padding:18px 0;font-size:.82rem;color:var(--muted-2);text-align:center}
@media(max-width:820px){.mp-foot-top{grid-template-columns:1fr 1fr;gap:26px}.mp-foot-co{grid-template-columns:1fr}}
@media(max-width:520px){.mp-foot-top{grid-template-columns:1fr}}

/* ---------- Floating buttons ---------- */
.mp-fab{position:fixed;right:18px;bottom:20px;z-index:90;display:flex;flex-direction:column;gap:12px}
.mp-fab-b{width:56px;height:56px;border-radius:50%;display:grid;place-items:center;cursor:pointer;
  border:1px solid var(--line);background:var(--bg-2);font-size:1.3rem;text-decoration:none;color:#fff;
  box-shadow:var(--shadow-sm);transition:var(--dur)}
.mp-fab-b:hover{transform:scale(1.08);border-color:var(--gold)}
.mp-fab-b.zalo{background:#0068FF;border-color:#0068FF;padding:0}
.mp-fab-b.zalo svg{width:34px;height:34px;border-radius:var(--r-sm)}
.mp-fab-b.call{background:var(--grad-gold);border-color:transparent;color:#1a1407}
.mp-fab-b.top{opacity:0;visibility:hidden;transform:translateY(8px)}
.mp-fab.show-top .top{opacity:1;visibility:visible;transform:none}

/* ---------- helpers ---------- */
.mp-center{text-align:center}
.mp-cta-row{display:flex;gap:14px;justify-content:center;flex-wrap:wrap;margin-top:30px}
.link-cards{display:grid;gap:18px;grid-template-columns:1fr;margin-top:8px}
@media(min-width:760px){.link-cards{grid-template-columns:repeat(2,1fr)}}
.link-card{display:flex;gap:18px;align-items:center;background:var(--bg-2);border:1px solid var(--line);
  border-radius:var(--r-lg);padding:22px 24px;text-decoration:none;transition:var(--dur)}
.link-card:hover{border-color:var(--gold);transform:translateY(-3px);box-shadow:var(--shadow-gold)}
.link-card .lc-ic{width:40px;height:40px;flex:none;display:grid;place-items:center;background:#16161b;border:1px solid var(--line);border-radius:8px;color:var(--gold);transition:var(--dur-fast)}.link-card .lc-ic svg{width:22px;height:22px}
.link-card h3{color:#fff;margin:0 0 5px;font-size:1.2rem;font-weight:800}
.link-card p{color:var(--muted);margin:0;font-size:.92rem;line-height:1.5}
.link-card .go{margin-left:auto;color:var(--gold);font-size:1.4rem;flex:none}

/* ===== v3 polish: header shrink · hero chips/glow · FAQ · tiktok fab ===== */
.mp-hdr{transition:background var(--dur),box-shadow var(--dur)}
.mp-hdr .mp-bar,.mp-brand img{transition:height var(--dur)}
.mp-hdr.scr{background:rgba(11,11,15,.95);box-shadow:var(--shadow-sm)}
.mp-hdr.scr .mp-bar{height:56px}
.mp-hdr.scr .mp-brand img{height:34px}

.mp-hero{isolation:isolate}
.mp-hero-glow{position:absolute;inset:0;z-index:0;pointer-events:none;
  background:radial-gradient(58% 78% at 50% -12%,rgba(214,178,94,.17),transparent 70%)}
.hero-chips{display:flex;flex-wrap:wrap;gap:12px;justify-content:center;margin-top:28px}
.hero-chips .hchip{display:flex;flex-direction:column;align-items:center;gap:3px;
  background:var(--bg-2);border:1px solid var(--line);border-radius:var(--r-md);padding:12px 20px;min-width:104px;
  color:var(--muted);font-size:.77rem;font-weight:600}
.hero-chips .hchip b{font-size:1.3rem;font-weight:900;letter-spacing:-.01em;
  color:var(--gold);font-variant-numeric:tabular-nums}

.faq{display:flex;flex-direction:column;gap:12px}
.faq-item{background:var(--bg-2);border:1px solid var(--line);border-radius:var(--r-md);overflow:hidden;transition:var(--dur)}
.faq-item[open]{border-color:var(--gold);box-shadow:var(--shadow-gold)}
.faq-item summary{list-style:none;cursor:pointer;padding:18px 22px;font-weight:700;color:#fff;font-size:1.03rem;
  display:flex;align-items:center;gap:14px;line-height:1.4}
.faq-item summary::-webkit-details-marker{display:none}
.faq-item summary::before{content:"+";flex:none;width:27px;height:27px;border-radius:50%;
  background:rgba(214,178,94,.14);color:var(--gold);display:grid;place-items:center;font-size:1.25rem;font-weight:700;transition:var(--dur)}
.faq-item[open] summary::before{content:"−";background:var(--grad-gold);color:#1a1407}
.faq-item summary:hover{color:var(--gold)}
.faq-a{padding:0 22px 20px 63px}
.faq-a p{color:var(--cream);font-size:.97rem;line-height:1.72;margin:0}
@media(max-width:560px){.faq-a{padding:0 20px 18px 22px}}

.mp-fab-b.tiktok{background:#000;color:#fff;border-color:rgba(255,255,255,.22)}
.mp-fab-b.tiktok:hover{border-color:var(--gold);color:var(--gold)}

/* ===== Tin tức v4: bài nổi bật + meta ngày ===== */
.blog-feat{display:grid;grid-template-columns:1.15fr 1fr;background:var(--bg-2);border:1px solid var(--line);
  border-radius:var(--r-lg);overflow:hidden;text-decoration:none;transition:var(--dur)}
.blog-feat:hover{border-color:var(--gold);transform:translateY(-3px);box-shadow:var(--shadow-gold)}
.blog-feat .thumb{min-height:280px;background:#000}
.blog-feat .thumb img{width:100%;height:100%;object-fit:cover;display:block}
.blog-feat .bf-body{padding:30px 32px;display:flex;flex-direction:column;justify-content:center}
.blog-feat h2{color:#fff;font-size:1.45rem;line-height:1.3;margin:0 0 12px;font-weight:800}
.blog-feat p{color:var(--muted);font-size:.97rem;line-height:1.6;margin:0}
.blog-feat .more{color:var(--gold);font-weight:700;font-size:.9rem;margin-top:16px;display:inline-block}
.bc-meta{display:flex;align-items:center;gap:10px;flex-wrap:wrap;margin-bottom:10px}
.bc-meta .tag{margin-bottom:0}
.bc-meta .date{font-size:.78rem;color:var(--muted-2)}
.art-meta{font-size:.88rem;color:var(--muted-2)!important;margin-top:10px!important}
@media(max-width:720px){.blog-feat{grid-template-columns:1fr}.blog-feat .thumb{min-height:200px}.blog-feat .bf-body{padding:22px 20px}}

/* ===== Giải pháp v5: thẻ ngành có ảnh công trình thực tế ===== */
.sol-photo-card{padding:0;overflow:hidden;display:flex;flex-direction:column}
.sol-photo{position:relative;aspect-ratio:16/9;overflow:hidden;background:#000}
.sol-photo img{width:100%;height:100%;object-fit:cover;display:block;transition:transform var(--dur-slow) ease}
.sol-photo-card:hover .sol-photo img{transform:scale(1.07)}
.sol-photo::after{content:"";position:absolute;inset:0;pointer-events:none;
  background:linear-gradient(180deg,rgba(11,11,14,0) 52%,rgba(11,11,14,.82) 100%)}
.sol-photo .ic-badge{position:absolute;left:14px;bottom:12px;z-index:1;width:38px;height:38px;display:grid;place-items:center;color:var(--gold);
  background:rgba(11,11,14,.62);backdrop-filter:blur(4px);-webkit-backdrop-filter:blur(4px);
  border:1px solid rgba(214,178,94,.4);border-radius:8px}.sol-photo .ic-badge svg{width:20px;height:20px}
.sol-photo-card .sol-body{padding:18px 22px 24px;display:flex;flex-direction:column;flex:1}
.sol-photo-card .sol-body .rec{margin-top:auto}
.sol-note{text-align:center;color:var(--muted);font-size:.88rem;margin:22px 0 0}
.sol-note a{color:var(--gold)}

/* ===== v6: thẻ sản phẩm trang chủ — ảnh quạt NGUYÊN VẸN, to rõ ===== */
.link-card.prod-card{flex-direction:column;align-items:stretch;padding:0;overflow:hidden}
.prod-shot{aspect-ratio:4/3;display:grid;place-items:center;overflow:hidden;padding:18px;
  background:radial-gradient(90% 90% at 50% 42%,#17151c 0%,#0b0b0e 100%)}
.prod-shot img{max-width:100%;max-height:100%;width:auto;height:auto;object-fit:contain;display:block;
  filter:drop-shadow(0 26px 40px rgba(0,0,0,.65));transition:transform var(--dur-slow) ease}
.prod-card:hover .prod-shot img{transform:scale(1.05)}
.prod-txt{padding:24px 28px 28px}
.prod-txt h3{margin:8px 0 10px;font-size:1.5rem}
.prod-txt p{font-size:1rem}
.prod-txt .go{display:inline-block;margin-top:14px;font-size:1.05rem}

/* ===== v6: link-card "Khám phá thêm" — to hơn, thoáng hơn ===== */
.link-card{padding:28px 30px;gap:22px}
.link-card .lc-ic{width:44px;height:44px}.link-card .lc-ic svg{width:24px;height:24px}
.link-card h3{font-size:1.42rem;margin:0 0 8px}
.link-card p{font-size:1.03rem;line-height:1.6}
.link-card .go{font-size:1.7rem}

/* ===== v6: thẻ ngành giải pháp — 2 cột, ảnh NGUYÊN VẸN 4:3 ===== */
@media(min-width:1000px){.sol-grid-photos{grid-template-columns:repeat(3,1fr);gap:24px}}
.sol-grid-photos .sol-photo{aspect-ratio:1/1;background:var(--bg)}
.sol-grid-photos .sol-photo img{object-fit:cover}
.sol-grid-photos .sol-photo::after{background:linear-gradient(180deg,rgba(11,11,14,0) 72%,rgba(11,11,14,.72) 100%)}
.sol-grid-photos .sol-body h3{font-size:1.35rem}
.sol-grid-photos .sol-body p{font-size:1rem}

/* ===== v6: quy trình 6 bước — số vàng thay emoji xanh ===== */
.step-num{display:inline-grid;place-items:center;width:46px;height:46px;border-radius:var(--r-md);
  background:var(--gold);color:#1a1407;font-weight:900;font-size:1.12rem;letter-spacing:.02em;
  margin-bottom:14px;box-shadow:0 10px 22px -10px rgba(214,178,94,.55)}

/* ===== v6: chip lọc chủ đề Tin tức ===== */
.blog-chips{display:flex;gap:10px;flex-wrap:wrap;justify-content:center;margin:0 0 26px}
.bchip{background:var(--bg-2);border:1px solid var(--line);color:var(--cream);border-radius:var(--r-full);
  padding:9px 20px;font-size:.95rem;font-weight:700;cursor:pointer;font-family:inherit;transition:var(--dur)}
.bchip:hover{border-color:var(--gold);color:var(--gold)}
.bchip.is-on{background:var(--grad-gold);color:#1a1407;border-color:transparent}

/* ===== v7: công cụ chọn quạt dạng trang con (embed) ===== */
.mll-overlay.mll-embed{position:static;z-index:auto;display:block;overflow:visible;animation:none}
.mll-embed .mll-bar{top:56px}
.mll-embed .grid2 .inputcard{top:132px}

/* ===== v7: ảnh nhà máy trang Về chúng tôi — 2 cột lớn ===== */
.proof-grid.g2-big{grid-template-columns:1fr;gap:20px}
@media(min-width:760px){.proof-grid.g2-big{grid-template-columns:repeat(2,1fr)}}
.proof-grid.g2-big .proof-card{aspect-ratio:4/3}

/* ===== D1 · 图标系统(header/footer/FAB 注入部分) ===== */
.mp-drop-m a b svg{width:16px;height:16px;color:var(--gold);vertical-align:-3px;margin-right:3px}
.mp-foot-col a svg{width:15px;height:15px;color:var(--gold);vertical-align:-2.5px;margin-right:4px}
.mp-fab-b.call svg,.mp-fab-b.top svg{width:23px;height:23px}

/* =====================================================================
   ===== v8 · D3: mega-menu Sản phẩm + menu Công ty + cụm nút nổi mới
   ===================================================================== */

/* ---- mega-menu 2 cột: trái theo dòng máy (thumb), phải theo ngành ---- */
.mp-mega{width:600px;flex-direction:row;gap:6px;padding:14px}
.mp-mega-col{display:flex;flex-direction:column;gap:2px;flex:1;min-width:0}
.mp-mega-col.prods{flex:1.3;padding-right:10px}
.mp-mega-col.inds{border-left:1px solid var(--line);padding-left:12px}
.mp-mega-h{font-size:.66rem;font-weight:800;letter-spacing:.05em;text-transform:uppercase;
  color:var(--muted-2);padding:4px 13px 8px;line-height:1.3}
.mp-drop-m a.mp-mega-prod{flex-direction:row;align-items:center;gap:13px;padding:9px 13px}
.mp-mega-prod .th{width:66px;height:50px;flex:none;display:grid;place-items:center;overflow:hidden;
  background:radial-gradient(90% 90% at 50% 42%,#17151c 0%,#0b0b0e 100%);
  border:1px solid var(--line);border-radius:var(--r-sm)}
.mp-mega-prod .th img{max-width:88%;max-height:88%;width:auto;height:auto;object-fit:contain;display:block}
.mp-mega-prod .tx{display:flex;flex-direction:column;gap:2px;min-width:0}
.mp-drop-m a.mp-mega-tech{flex-direction:row;align-items:center;gap:13px;padding:9px 13px;
  border-top:1px solid var(--line);border-radius:0 0 var(--r-md) var(--r-md);margin-top:6px;padding-top:12px}
.mp-mega-tech>svg{width:20px;height:20px;flex:none;color:var(--gold);margin:0 23px}
.mp-mega-tech span{display:flex;flex-direction:column;gap:2px}
.mp-mega-col.inds a{flex-direction:row;color:var(--cream);font-size:.92rem;font-weight:600;padding:8px 13px}
.mp-mega-col.inds a:hover{color:var(--gold)}
.mp-mega-col.inds a.mp-mega-all{color:var(--gold);font-weight:700;margin-top:4px;border-top:1px solid var(--line);
  border-radius:0;padding-top:11px}
/* menu Công ty: link 1 dòng gọn */
.mp-drop-m.mp-drop-s{min-width:230px}
.mp-drop-m.mp-drop-s a{flex-direction:row;color:var(--cream);font-size:.94rem;font-weight:600}
.mp-drop-m.mp-drop-s a:hover{color:var(--gold)}

@media(max-width:980px){
  .mp-mega{width:auto;flex-direction:column;gap:2px;padding:6px}
  .mp-mega-col.prods{padding-right:0}
  .mp-mega-col.inds{border-left:none;padding-left:0;border-top:1px solid var(--line);margin-top:6px;padding-top:6px}
  .mp-mega-tech>svg{margin:0 4px}
}

/* ---- neo ngành trên trang giải pháp: chừa chỗ cho header dính ---- */
.sol-card[id]{scroll-margin-top:92px}

/* ---- cụm nút nổi mới: nút chính 52px vàng + 3 nút con 44px nền tối ---- */
.mp-fab{align-items:flex-end;gap:10px}
.mp-fab-main{width:52px;height:52px;border-radius:50%;border:none;cursor:pointer;
  display:grid;place-items:center;background:var(--grad-gold);color:#1a1407;
  box-shadow:0 14px 30px -10px rgba(214,178,94,.55);transition:var(--dur)}
.mp-fab-main:hover{transform:scale(1.06)}
.mp-fab-main svg{width:24px;height:24px}
.mp-fab-main .ic-x{display:none}
.mp-fab.fab-open .mp-fab-main .ic-x{display:block}
.mp-fab.fab-open .mp-fab-main .ic-chat{display:none}
.mp-fab-sub{display:flex;flex-direction:column;align-items:center;gap:10px;align-self:center}
.mp-fab-s{width:44px;height:44px;border-radius:50%;display:grid;place-items:center;text-decoration:none;
  background:#16161b;border:1px solid var(--line);color:var(--cream);box-shadow:var(--shadow-sm);
  opacity:0;visibility:hidden;transform:translateY(10px);pointer-events:none;transition:var(--dur)}
.mp-fab.fab-open .mp-fab-s{opacity:1;visibility:visible;transform:none;pointer-events:auto}
.mp-fab.fab-open .mp-fab-s:nth-child(1){transition-delay:.06s}
.mp-fab.fab-open .mp-fab-s:nth-child(2){transition-delay:.03s}
.mp-fab-s:hover{border-color:var(--gold);color:var(--gold)}
.mp-fab-s svg{width:21px;height:21px}
.mp-fab-top{width:44px;height:44px;border-radius:50%;border:1px solid var(--line);cursor:pointer;
  display:grid;place-items:center;background:#16161b;color:var(--cream);box-shadow:var(--shadow-sm);
  opacity:0;visibility:hidden;transform:translateY(8px);transition:var(--dur);align-self:center}
.mp-fab.show-top .mp-fab-top{opacity:1;visibility:visible;transform:none}
.mp-fab-top:hover{border-color:var(--gold);color:var(--gold)}
.mp-fab-top svg{width:20px;height:20px}

/* ---- mobile: thanh liên hệ 3 ô dính đáy (Gọi / Zalo / Báo giá) ---- */
.mp-mbar{display:none}
@media(max-width:640px){
  .mp-fab{display:none}
  body{padding-bottom:calc(56px + env(safe-area-inset-bottom))}
  .mp-mbar{position:fixed;left:0;right:0;bottom:0;z-index:95;
    display:grid;grid-template-columns:1fr 1fr 1fr;
    height:calc(56px + env(safe-area-inset-bottom));padding-bottom:env(safe-area-inset-bottom);
    background:#101014;border-top:1px solid var(--gold)}
  .mp-mbar a{display:flex;align-items:center;justify-content:center;gap:8px;min-width:0;
    text-decoration:none;color:var(--cream);font-weight:700;font-size:.86rem;border-left:1px solid var(--line)}
  .mp-mbar a:first-child{border-left:none}
  .mp-mbar a svg{width:19px;height:19px;flex:none;color:var(--gold)}
  .mp-mbar a.quote{color:var(--gold)}
  .mp-mbar a span{white-space:nowrap;overflow:hidden;text-overflow:ellipsis}
}

/* ---- desktop hẹp (981–1180px): nén khoảng cách để 5 mục + CTA 1 hàng ---- */
@media(min-width:981px) and (max-width:1180px){
  .mp-bar{gap:12px}
  .mp-menu{gap:0;margin-left:0}
  .mp-menu>a,.mp-drop-t{padding:9px 9px;font-size:.9rem}
  .mp-brand-t small{display:none}
  .mp-cta{gap:10px}
  .mp-cta .btn-gold{padding:10px 14px;font-size:.88rem;white-space:nowrap}
}

/* ---- header hẹp: thu gọn brand + CTA để không tràn ở 360px ---- */
@media(max-width:560px){
  .mp-bar{gap:10px}
  .mp-brand{gap:8px}
  .mp-brand img{height:34px}
  .mp-brand-t{font-size:1rem}
  .mp-brand-t small{display:none}
  .mp-cta{gap:8px}
  .mp-cta .btn-gold{padding:9px 13px;font-size:.84rem;white-space:nowrap}
}
@media(max-width:390px){
  .mp-brand-t{display:none}
}

/* ---- bàn phím Tab thấy rõ focus trên toàn bộ chrome dùng chung ---- */
.mp-menu a:focus-visible,.mp-drop-t:focus-visible,.mp-drop-m a:focus-visible,
.mp-burger:focus-visible,.mp-brand:focus-visible,.mp-cta .btn:focus-visible,
.mp-fab-main:focus-visible,.mp-fab-s:focus-visible,.mp-fab-top:focus-visible,
.mp-mbar a:focus-visible,.mp-foot a:focus-visible{outline:2px solid var(--gold);outline-offset:2px}