/* =====================================================================
   Mekoil — giao diện website
   Một font (Be Vietnam Pro), ít khung hộp, khoảng trắng rộng.
   Màu chính / nền đậm / màu nhấn do admin chọn → server ghi đè biến bên dưới.
   ===================================================================== */
:root{
  --paper:#FBFBF8; --surface:#FFFFFF; --mist:#EEF3EC; --line:#DCE3DA;
  --ink:#15201A; --muted:#55605A; --faint:#78837C;
  --green:#1F6B2E; --green-hover:#185626; --on-green:#FFFFFF;
  --band:#14491F; --band-ink:#FFFFFF; --band-muted:#BFD3BC; --band-line:#2F6339; --foot:#0F3418;
  --gold:#C9A227; --gold-ink:#8A6A10; --accent:#C9A227; --field:#FFFFFF;
  --maxw:1200px; --pad:clamp(20px,5vw,56px);
  --font:'Be Vietnam Pro',system-ui,-apple-system,'Segoe UI',Roboto,Arial,sans-serif;
}
@media (prefers-color-scheme:dark){:root:not([data-theme="light"]){
  --paper:#0F130F; --surface:#161C16; --mist:#151D16; --line:#29332A;
  --ink:#EAF0E8; --muted:#A7B2A4; --faint:#8B9788; --on-green:#0C140C;
  --band-muted:#A8BCA5; --field:#121812;
}}

*{box-sizing:border-box}
html{scroll-behavior:smooth;scroll-padding-top:84px;-webkit-text-size-adjust:100%}
body{margin:0;background:var(--paper);color:var(--ink);font:400 16.5px/1.65 var(--font);-webkit-font-smoothing:antialiased;text-rendering:optimizeLegibility}
img,video{max-width:100%;display:block}
h1,h2,h3,h4{margin:0;font-family:var(--font);color:inherit}
p{margin:0}
a{color:var(--green);text-decoration:none}
a:hover{text-decoration:underline;text-underline-offset:3px}
:focus-visible{outline:3px solid color-mix(in srgb,var(--green) 60%,#fff);outline-offset:2px;border-radius:6px}
@media (prefers-reduced-motion:reduce){html{scroll-behavior:auto}*{transition:none!important}}

/* ---------- khung ---------- */
.wrap{width:100%;max-width:var(--maxw);margin:0 auto;padding-left:var(--pad);padding-right:var(--pad)}
.section{padding:clamp(56px,8vw,104px) 0}
.section.tint{background:var(--mist)}
.section.band{background:var(--band);color:var(--band-ink)}
/* hai phần cùng nền đứng liền nhau thì bớt khoảng trống ở giữa */
.section:not(.tint):not(.band) + .section:not(.tint):not(.band),
.section.tint + .section.tint{padding-top:0}

/* ---------- chữ ---------- */
.h1{font-size:clamp(34px,5vw,60px);line-height:1.06;font-weight:800;letter-spacing:-.032em;text-wrap:balance}
.h2{font-size:clamp(27px,3.3vw,42px);line-height:1.14;font-weight:700;letter-spacing:-.025em;text-wrap:balance}
.h3{font-size:18px;line-height:1.35;font-weight:600;letter-spacing:-.01em}
.kicker{display:block;font-size:14.5px;font-weight:600;color:var(--green);margin-bottom:12px}
.band .kicker{color:var(--gold)}
.lead{font-size:clamp(16.5px,1.5vw,18.5px);line-height:1.7;color:var(--muted);max-width:60ch}
.small{font-size:14.5px;line-height:1.65;color:var(--muted)}

/* tiêu đề mỗi phần: chữ bên trái, nút hoặc đoạn ngắn bên phải */
.sh{display:grid;grid-template-columns:minmax(0,1fr) auto;align-items:end;gap:18px 56px;margin-bottom:clamp(30px,4vw,52px)}
.sh .lead{max-width:44ch}

/* ---------- nút ---------- */
.btn{display:inline-flex;align-items:center;justify-content:center;gap:8px;min-height:50px;padding:0 24px;border-radius:999px;border:1.5px solid transparent;font:600 15.5px/1 var(--font);cursor:pointer;text-decoration:none;white-space:nowrap;transition:background-color .15s,border-color .15s,color .15s}
.btn:hover{text-decoration:none}
.btn-primary{background:var(--green);color:var(--on-green)}
.btn-primary:hover{background:var(--green-hover)}
.btn-ghost{border-color:color-mix(in srgb,var(--green) 40%,var(--line));color:var(--green);background:transparent}
.btn-ghost:hover{border-color:var(--green);background:color-mix(in srgb,var(--green) 6%,transparent)}
.btn-light{background:#fff;color:var(--band)}
.btn-light:hover{background:color-mix(in srgb,#fff 88%,var(--gold))}
.actions{display:flex;flex-wrap:wrap;gap:12px}

/* ---------- thanh trên cùng + đầu trang ---------- */
.topbar{background:var(--band);color:var(--band-muted);font-size:13px}
.topbar .wrap{display:flex;flex-wrap:wrap;justify-content:space-between;gap:4px 24px;padding-top:8px;padding-bottom:8px}
.topbar a{color:var(--band-ink)}
.site-header{position:sticky;top:0;z-index:50;background:color-mix(in srgb,var(--paper) 90%,transparent);backdrop-filter:saturate(1.4) blur(12px);-webkit-backdrop-filter:saturate(1.4) blur(12px);border-bottom:1px solid var(--line)}
.nav{display:flex;align-items:center;gap:28px;min-height:72px}
.brand{display:flex;align-items:center;gap:11px;color:var(--ink);margin-right:auto}
.brand:hover{text-decoration:none}
.brand-mark{width:38px;height:38px;border-radius:11px;background:var(--ink);display:inline-flex;align-items:center;justify-content:center;flex:0 0 auto}
.brand-name{display:block;font-size:20px;font-weight:800;letter-spacing:-.03em;line-height:1.1}
.brand-sub{display:block;font-size:11.5px;color:var(--faint);line-height:1.3;margin-top:1px}
.brand-logo{max-height:46px;width:auto;mix-blend-mode:multiply}   /* logo JPG nền trắng: nền trắng chìm vào thanh menu */
.brand-logo-dark{display:none;mix-blend-mode:normal}
@media (prefers-color-scheme:dark){:root:not([data-theme="light"]) .brand-logo{mix-blend-mode:normal;background:#fff;border-radius:10px;padding:4px 8px}
  :root:not([data-theme="light"]) .brand.has-dark .brand-logo:not(.brand-logo-dark){display:none}
  :root:not([data-theme="light"]) .brand.has-dark .brand-logo-dark{display:block;background:none;padding:0}}
.menu{display:flex;align-items:center;gap:26px}
.menu a{color:var(--ink);font-size:15px;font-weight:500}
.menu a:hover{color:var(--green);text-decoration:none}
.nav-phone{font-weight:600;font-size:15px;color:var(--ink);white-space:nowrap}
.nav-cta{display:inline-flex;align-items:center;min-height:44px;padding:0 20px;border-radius:999px;background:var(--green);color:var(--on-green)!important;font-weight:600;font-size:15px}
.nav-cta:hover{background:var(--green-hover);text-decoration:none}
.burger{display:none;width:44px;height:44px;align-items:center;justify-content:center;border:1px solid var(--line);border-radius:12px;background:transparent;color:var(--ink);cursor:pointer}

/* ---------- đầu trang (hero) ---------- */
.hero{padding:clamp(40px,6vw,88px) 0 clamp(48px,6vw,88px)}
.hero .wrap{display:grid;grid-template-columns:minmax(0,1.02fr) minmax(0,.98fr);gap:clamp(32px,5vw,72px);align-items:center}
.hero.solo .wrap{grid-template-columns:minmax(0,880px)}
.hero .lead{margin-top:20px}
.hero .actions{margin-top:30px}
.creds{display:flex;flex-wrap:wrap;gap:14px 0;margin:36px 0 0;padding:0;list-style:none}
.creds li{padding:0 22px;border-left:1px solid var(--line);font-size:14px;color:var(--muted);line-height:1.45}
.creds li:first-child{padding-left:0;border-left:0}
.creds b{display:block;font-size:17px;font-weight:700;color:var(--ink);letter-spacing:-.01em}
.media-wrap{position:relative}
.media{position:relative;border-radius:22px;overflow:hidden;aspect-ratio:4/3.3;background:var(--band)}
.media img,.media video,.media iframe{position:absolute;inset:0;width:100%;height:100%;object-fit:cover;border:0}
.media.yt{aspect-ratio:16/10}
.vid-sound{position:absolute;top:14px;right:14px;z-index:2;display:inline-flex;align-items:center;gap:7px;min-height:38px;padding:0 14px;border:0;border-radius:999px;background:rgba(8,20,10,.62);color:#fff;font:600 13px/1 var(--font);cursor:pointer;backdrop-filter:blur(6px);-webkit-backdrop-filter:blur(6px)}
.vid-sound:hover{background:rgba(8,20,10,.8)}


/* ---------- menu nổi trong suốt trên video (trang chủ) ---------- */
.site-header.on-video{position:fixed;top:0;left:0;right:0;background:transparent;border-bottom-color:transparent;backdrop-filter:none;-webkit-backdrop-filter:none;transition:background-color .25s,border-color .25s}
.site-header.on-video.scrolled{background:color-mix(in srgb,var(--paper) 92%,transparent);border-bottom-color:var(--line);backdrop-filter:saturate(1.4) blur(12px);-webkit-backdrop-filter:saturate(1.4) blur(12px)}
.site-header.on-video:not(.scrolled) .brand,
.site-header.on-video:not(.scrolled) .menu > a:not(.nav-cta),
.site-header.on-video:not(.scrolled) .nav-phone{color:#fff;text-shadow:0 1px 10px rgba(0,0,0,.35)}
.site-header.on-video:not(.scrolled) .brand-sub{color:rgba(255,255,255,.78)}
.site-header.on-video:not(.scrolled) .brand-mark{background:rgba(255,255,255,.16);backdrop-filter:blur(6px)}
.site-header.on-video:not(.scrolled) .brand-logo{mix-blend-mode:normal;background:rgba(255,255,255,.92);border-radius:10px;padding:4px 8px}
.site-header.on-video:not(.scrolled) .brand.has-dark .brand-logo:not(.brand-logo-dark){display:none}
.site-header.on-video:not(.scrolled) .brand.has-dark .brand-logo-dark{display:block;background:none;padding:0}
.site-header.on-video:not(.scrolled) .burger{color:#fff;border-color:rgba(255,255,255,.45)}

/* ---------- đầu trang kiểu "video trên cùng" ---------- */
.hero-top{position:relative}
.top-media{position:relative;height:min(92vh,880px);min-height:420px;overflow:hidden;background:#0B1A0F}
.top-media video,.top-media img{position:absolute;inset:0;width:100%;height:100%;object-fit:cover}
.top-media.yt iframe{position:absolute;top:50%;left:50%;border:0;pointer-events:none;
  width:max(100%, calc(min(92vh,880px) * 16 / 9));height:max(100%, calc(100vw * 9 / 16));transform:translate(-50%,-50%)}
/* chỉ làm tối nhẹ mép trên (cho menu đọc được) và mép dưới — giữa để video sáng rõ */
.top-shade{position:absolute;inset:0;pointer-events:none;background:
  linear-gradient(180deg,rgba(4,12,6,.55) 0%,rgba(4,12,6,0) 22%),
  linear-gradient(0deg,rgba(4,12,6,.32) 0%,rgba(4,12,6,0) 24%)}
.hero-top > .top-media > .vid-sound,.top-media .vid-sound{top:auto;bottom:22px;right:22px}
.scroll-cue{position:absolute;left:50%;bottom:22px;transform:translateX(-50%);width:44px;height:44px;border-radius:50%;display:grid;place-items:center;color:#fff;background:rgba(255,255,255,.14);border:1px solid rgba(255,255,255,.35);backdrop-filter:blur(6px)}
.scroll-cue:hover{background:rgba(255,255,255,.26);text-decoration:none}
@media (prefers-reduced-motion:no-preference){.scroll-cue svg{animation:cue 2.4s ease-in-out infinite}}
@keyframes cue{0%,100%{transform:translateY(0)}50%{transform:translateY(4px)}}

.top-body{display:grid;grid-template-columns:minmax(0,1.5fr) minmax(0,1fr);gap:24px clamp(32px,5vw,72px);align-items:start;padding-top:clamp(40px,5vw,64px);padding-bottom:clamp(40px,5vw,60px)}
.top-title .h1{font-size:clamp(32px,4.2vw,54px)}
.top-side .lead{margin-top:6px}
/* thẻ ISO vắt ngang mép dưới video → kéo mắt từ video xuống phần chữ */
.top-body.has-card .top-side .cine-card{position:relative;z-index:2;margin:calc(-1 * clamp(40px,5vw,64px) - 58px) 0 26px;border:1px solid var(--line)}
.top-foot{grid-column:1/-1;display:flex;flex-wrap:wrap;align-items:center;justify-content:space-between;gap:24px 40px;margin-top:10px;padding-top:28px;border-top:1px solid var(--line)}
.top-foot .creds{margin:0}

@media (max-width:920px){
  .top-body{grid-template-columns:1fr}
  .top-body.has-card .top-side .cine-card{margin:0 0 22px}
  .top-side{display:flex;flex-direction:column}
  .top-side .cine-card{order:9;margin:24px 0 0!important}
  .top-foot{flex-direction:column-reverse;align-items:stretch}
}
@media (max-width:640px){
  .top-media{height:66svh;min-height:340px}
  .scroll-cue{display:none}
  .top-media .vid-sound{bottom:14px;right:14px}
  .top-body{padding-top:30px}
}


/* video nằm ngay dưới thanh menu (mặc định): cao vừa khít phần còn lại của màn hình đầu tiên */
.hero-top.below-bar .top-media{height:clamp(420px, calc(100svh - 112px), 940px)}
.hero-top.below-bar .top-shade{background:linear-gradient(0deg,rgba(4,12,6,.32) 0%,rgba(4,12,6,0) 24%)}
.hero-cine.below-bar{min-height:clamp(480px, calc(100svh - 112px), 940px)}
.hero-cine.below-bar .cine-body{padding-top:clamp(40px,7vh,96px);padding-bottom:clamp(32px,6vh,72px)}
.hero-cine .h1{font-size:clamp(32px,4.1vw,54px)}
.hero-cine .creds{margin-top:30px}
@media (max-width:640px){ .hero-top.below-bar .top-media{height:58svh;min-height:300px} }

/* ---------- đầu trang kiểu phủ kín: video là thứ đầu tiên đập vào mắt ---------- */
.hero-cine{position:relative;isolation:isolate;display:flex;align-items:flex-end;min-height:min(92vh,860px);overflow:hidden;background:var(--band);color:#fff}
.cine-media{position:absolute;inset:0;z-index:-1;overflow:hidden}
.cine-media video,.cine-media img{position:absolute;inset:0;width:100%;height:100%;object-fit:cover}
.cine-media.yt iframe{position:absolute;top:50%;left:50%;border:0;pointer-events:none;
  width:max(100%, calc(min(86vh,760px) * 16 / 9));height:max(100%, calc(100vw * 9 / 16));transform:translate(-50%,-50%)}
/* lớp phủ tối bên trái + dưới đáy để chữ trắng luôn đọc rõ, dù cảnh quay sáng hay rối */
.cine-shade{position:absolute;inset:0;pointer-events:none;background:
  linear-gradient(90deg, color-mix(in srgb,var(--band) 55%,#000) 0%, color-mix(in srgb,var(--band) 70%,transparent) 38%, color-mix(in srgb,var(--band) 30%,transparent) 62%, transparent 85%),
  linear-gradient(0deg, color-mix(in srgb,var(--band) 55%,#000) 0%, transparent 58%)}
.cine-media{pointer-events:none}
.hero-cine > .vid-sound{top:20px;right:20px;z-index:3}
.cine-body{position:relative;display:flex;align-items:flex-end;justify-content:space-between;gap:40px;padding-top:170px;padding-bottom:clamp(40px,6vw,76px)}
.cine-text{max-width:720px}
.hero-cine .kicker{color:var(--gold)}
.hero-cine .h1{color:#fff;text-shadow:0 2px 30px rgba(0,0,0,.28)}
.hero-cine .lead{color:rgba(255,255,255,.9);margin-top:18px;text-shadow:0 1px 14px rgba(0,0,0,.25)}
.hero-cine .actions{margin-top:28px}
.hero-cine .btn-ghost{color:#fff;border-color:rgba(255,255,255,.6);backdrop-filter:blur(4px)}
.hero-cine .btn-ghost:hover{background:rgba(255,255,255,.14);border-color:#fff}
.hero-cine .creds li{border-left-color:rgba(255,255,255,.28);color:rgba(255,255,255,.8)}
.hero-cine .creds b{color:#fff}

/* thẻ ảnh nhỏ + nhãn chứng nhận */
.cine-card{display:flex;align-items:center;gap:14px;flex:0 0 auto;max-width:340px;padding:10px 20px 10px 10px;border-radius:18px;background:color-mix(in srgb,#fff 95%,transparent);color:#15201A;box-shadow:0 18px 44px -20px rgba(0,0,0,.55)}
.cine-card:not(:has(img)){padding:14px 20px}
.cine-card img{width:88px;height:88px;border-radius:12px;object-fit:cover;flex:0 0 auto}
.cine-card small{display:block;font-size:12.5px;color:#5B665F}
.cine-card strong{display:block;font-size:18px;font-weight:700;letter-spacing:-.01em;line-height:1.25}
.cine-card span{display:block;font-size:13px;color:#5B665F;margin-top:1px}
.media-wrap .cine-card{position:absolute;left:16px;bottom:16px;max-width:calc(100% - 32px)}

@media (max-width:760px){
  /* điện thoại: video lên đầu, chữ ngay bên dưới trên nền sáng */
  .hero-cine{display:block;min-height:0;background:var(--paper);color:var(--ink)}
  .cine-media{position:relative;inset:auto;z-index:0;aspect-ratio:4/3.3}
  .cine-media.yt{aspect-ratio:16/9}
  .cine-media.yt iframe{top:0;left:0;width:100%;height:100%;transform:none}
  .cine-shade{display:none}
  .hero-cine > .vid-sound{top:12px;right:12px}
  .cine-body{display:block;padding-top:28px;padding-bottom:48px}
  .hero-cine .kicker{color:var(--green)}
  .hero-cine .h1{color:var(--ink);text-shadow:none}
  .hero-cine .lead{color:var(--muted);text-shadow:none}
  .hero-cine .btn-ghost{color:var(--green);border-color:color-mix(in srgb,var(--green) 40%,var(--line));backdrop-filter:none}
  .hero-cine .creds li{color:var(--muted)}
  .hero-cine .creds b{color:var(--ink)}
  .cine-card{margin-top:28px;max-width:none;border:1px solid var(--line);box-shadow:none;background:var(--surface);color:var(--ink)}
  .cine-card small,.cine-card span{color:var(--faint)}
}

/* ---------- dải chứng nhận ---------- */
.trust{border-top:1px solid var(--line);border-bottom:1px solid var(--line)}
.trust .wrap{display:flex;flex-wrap:wrap;align-items:center;gap:8px 26px;padding-top:18px;padding-bottom:18px;font-size:14px;color:var(--muted)}
.trust .lbl{font-weight:600;color:var(--ink)}

/* ---------- cột có vạch trên — dùng chung cho nhiều phần ---------- */
.ruled{display:grid;grid-template-columns:repeat(var(--n,4),minmax(0,1fr));gap:0 36px}
.ruled > *{border-top:1px solid var(--line);padding:24px 0 10px}
.ruled .h3{margin:14px 0 8px}
.ruled .ico{color:var(--green)}

/* ---------- danh mục dầu kiểu bảng thông số ---------- */
.oils{display:grid;grid-template-columns:repeat(3,minmax(0,1fr));gap:0 40px}
.oil{display:grid;grid-template-columns:42px minmax(0,1fr);gap:16px;align-items:start;padding:22px 0;border-top:1px solid var(--line);color:var(--ink)}
.oil:hover{text-decoration:none}
.oil:hover .oil-name{color:var(--green)}
.drop{width:42px;height:42px;display:grid;place-items:center}
.drop svg{width:30px;height:36px;filter:drop-shadow(0 3px 5px color-mix(in srgb,var(--c,#C9A227) 45%,transparent))}
.thumb{width:42px;height:42px;border-radius:12px;object-fit:cover}
.oil-name{display:block;font-size:17px;font-weight:600;letter-spacing:-.01em;line-height:1.3;transition:color .15s}
.oil-sci{display:block;font-size:13.5px;font-style:italic;color:var(--faint);margin-top:1px}
.oil-sum{font-size:14.5px;line-height:1.6;color:var(--muted);margin-top:8px;display:-webkit-box;-webkit-line-clamp:2;-webkit-box-orient:vertical;overflow:hidden}

.spec{margin-top:40px;border-top:1px solid var(--line)}
.spec summary{list-style:none;display:flex;align-items:center;justify-content:space-between;gap:16px;padding:22px 0;cursor:pointer;font-size:18px;font-weight:600}
.spec summary::-webkit-details-marker{display:none}
.spec summary .chev{width:36px;height:36px;border-radius:50%;border:1px solid var(--line);display:grid;place-items:center;color:var(--green);transition:transform .2s;flex:0 0 auto}
.spec[open] summary .chev{transform:rotate(180deg)}
.scroller{overflow-x:auto;-webkit-overflow-scrolling:touch;border:1px solid var(--line);border-radius:16px;background:var(--surface)}
.scroller table{width:100%;border-collapse:collapse;font-size:14.5px;min-width:820px}
.scroller th{text-align:left;padding:14px 18px;font-size:13px;font-weight:600;color:var(--muted);background:color-mix(in srgb,var(--mist) 70%,var(--surface));border-bottom:1px solid var(--line)}
.scroller td{padding:14px 18px;border-top:1px solid var(--line);color:var(--muted);vertical-align:top}
.scroller tr:first-child td{border-top:0}
.scroller td:first-child{color:var(--ink);font-weight:600;white-space:nowrap}
.note{margin-top:16px;font-size:13.5px;line-height:1.7;color:var(--faint);max-width:90ch}

/* ---------- quy trình OEM: chuỗi bước có số ---------- */
.steps{display:grid;grid-template-columns:repeat(3,minmax(0,1fr));gap:44px 36px;list-style:none;margin:0;padding:0}
.step{position:relative;padding-top:60px}
.step .num{position:absolute;top:0;left:0;width:42px;height:42px;border-radius:50%;display:grid;place-items:center;background:var(--green);color:var(--on-green);font-weight:700;font-size:15px}
.step::before{content:"";position:absolute;top:20px;left:54px;right:-24px;height:2px;background:linear-gradient(90deg,var(--green),color-mix(in srgb,var(--green) 12%,var(--line)))}
.step:nth-child(3n)::before,.step:last-child::before{display:none}
.step .h3{margin-bottom:8px}

/* ---------- năng lực nhà máy (nền đậm) ---------- */
.band .h2{color:var(--band-ink)}
.band .lead{color:var(--band-muted)}
.split{display:grid;grid-template-columns:minmax(0,.92fr) minmax(0,1.08fr);gap:clamp(32px,6vw,88px);align-items:start}
.split .actions{margin-top:28px}
.checks{list-style:none;margin:0;padding:0}
.checks li{display:grid;grid-template-columns:26px minmax(0,1fr);gap:14px;padding:18px 0;border-top:1px solid var(--band-line)}
.checks li:first-child{border-top:0;padding-top:4px}
.checks svg{color:var(--gold);margin-top:3px}
.checks b{display:block;font-size:16.5px;font-weight:600}
.checks span{display:block;font-size:14.5px;color:var(--band-muted);margin-top:3px;line-height:1.6}

/* ---------- chứng nhận ---------- */
.cert-name{font-size:clamp(22px,2.2vw,28px);font-weight:700;letter-spacing:-.02em;line-height:1.2;margin:10px 0 10px}
.cert-note{font-size:13.5px;color:var(--faint);margin-top:10px}
.scope{margin-top:44px}
.scope .h3{margin-bottom:10px}
.scope ul{list-style:none;margin:0;padding:0;display:grid;grid-template-columns:repeat(2,minmax(0,1fr));gap:0 36px}
.scope li{display:grid;grid-template-columns:22px minmax(0,1fr);gap:10px;padding:13px 0;border-top:1px solid var(--line);font-size:15px;color:var(--muted)}
.scope svg{color:var(--green);margin-top:3px}

/* ---------- tin tức ---------- */
.news{display:grid;grid-template-columns:repeat(3,minmax(0,1fr));gap:36px}
.post{color:var(--ink);display:flex;flex-direction:column;gap:10px}
.post:hover{text-decoration:none}
.post:hover .h3{color:var(--green)}
.post img{width:100%;aspect-ratio:16/10;object-fit:cover;border-radius:16px;margin-bottom:6px}
.post time{font-size:13.5px;color:var(--faint)}
.post.no-img{border-top:1px solid var(--line);padding-top:22px}

/* ---------- liên hệ ---------- */
.contact{display:grid;grid-template-columns:minmax(0,.9fr) minmax(0,1.1fr);gap:clamp(32px,6vw,80px);align-items:start}
.contact .lead{margin-top:16px}
.bigphone{display:inline-block;margin-top:28px;font-size:clamp(30px,3.6vw,44px);font-weight:800;letter-spacing:-.03em;line-height:1.1;color:var(--green)}
.bigphone-lbl{display:block;margin-top:28px;font-size:13.5px;color:var(--faint)}
.bigphone-lbl + .bigphone{margin-top:4px}
.cinfo{list-style:none;margin:24px 0 0;padding:0}
.cinfo li{padding:14px 0;border-top:1px solid var(--line);font-size:15.5px}
.cinfo small{display:block;font-size:13px;color:var(--faint);margin-bottom:2px}
.legal{margin-top:24px;font-size:13.5px;line-height:1.75;color:var(--faint)}
.legal b{color:var(--muted);font-weight:600}
.form{background:var(--surface);border:1px solid var(--line);border-radius:22px;padding:clamp(22px,3vw,36px)}
.fgrid{display:grid;grid-template-columns:1fr 1fr;gap:16px}
.field{display:flex;flex-direction:column;gap:7px;margin-top:16px}
.fgrid .field{margin-top:0}
.field > label,.field > legend{font-size:14px;font-weight:600;color:var(--ink);padding:0}
fieldset.field{border:0;margin:16px 0 0;padding:0;min-width:0}
input,select,textarea{font:400 15.5px/1.4 var(--font);color:var(--ink);background:var(--field);border:1px solid color-mix(in srgb,var(--line) 70%,var(--faint));border-radius:12px;padding:0 14px;min-height:50px;width:100%}
textarea{padding:13px 14px;min-height:112px;resize:vertical;line-height:1.6}
input:focus,select:focus,textarea:focus{outline:none;border-color:var(--green);box-shadow:0 0 0 3px color-mix(in srgb,var(--green) 18%,transparent)}
.chips{display:flex;flex-wrap:wrap;gap:8px}
.chip{position:relative;display:inline-flex;align-items:center;min-height:40px;padding:0 15px;border-radius:999px;border:1px solid color-mix(in srgb,var(--line) 70%,var(--faint));background:var(--field);font-size:14px;cursor:pointer;user-select:none}
.chip input{position:absolute;opacity:0;width:1px;height:1px;min-height:0}
.chip:has(input:checked){background:var(--green);border-color:var(--green);color:var(--on-green);font-weight:600}
.chip:has(input:focus-visible){outline:3px solid color-mix(in srgb,var(--green) 60%,#fff);outline-offset:2px}
.check{display:flex;align-items:center;gap:11px;margin-top:18px}
.check input{width:20px;height:20px;min-height:0;accent-color:var(--green);flex:0 0 auto}
.check label{font-size:14.5px;color:var(--muted)}
.form .btn{width:100%;margin-top:22px;min-height:54px;font-size:16px}
.privacy{margin-top:14px;font-size:13px;line-height:1.6;color:var(--faint)}
.flash{background:color-mix(in srgb,var(--green) 10%,var(--surface));border:1px solid color-mix(in srgb,var(--green) 40%,var(--line));border-radius:14px;padding:16px 18px;margin-bottom:8px;font-weight:500}
.hp{position:absolute;left:-9999px;width:1px;height:1px;overflow:hidden}

/* ---------- trang phụ ---------- */
.article{max-width:720px;margin:0 auto}
.article h2,.article h3,.article h4{margin:32px 0 12px;letter-spacing:-.015em}
.article p{margin:0 0 18px;color:var(--muted);line-height:1.8}
.article ul{color:var(--muted);line-height:1.8;padding-left:22px}
.facts{list-style:none;margin:24px 0 0;padding:0}
.facts li{padding:14px 0;border-top:1px solid var(--line);font-size:15.5px;color:var(--muted)}
.facts b{color:var(--ink);font-weight:600}
.pmedia{border-radius:22px;overflow:hidden;background:var(--mist);aspect-ratio:1;display:grid;place-items:center}
.pmedia img{width:100%;height:100%;object-fit:cover}
.pmedia .drop{width:auto;height:auto}
.pmedia .drop svg{width:110px;height:132px}

/* ---------- chân trang ---------- */
.site-footer{background:var(--foot);color:#A9C0A6;padding:clamp(48px,6vw,72px) 0 30px;font-size:14.5px}
.site-footer .top{display:grid;grid-template-columns:minmax(0,1.5fr) repeat(3,minmax(0,1fr));gap:36px}
.site-footer h4{font-size:14px;font-weight:600;color:#fff;margin:0 0 14px}
.site-footer a,.site-footer li{color:#D6E4D3}
.site-footer ul{list-style:none;margin:0;padding:0;display:flex;flex-direction:column;gap:10px}
.site-footer .fname{font-size:22px;font-weight:800;letter-spacing:-.03em;color:#fff}
.foot-logo{max-height:42px;width:auto;display:block}
.logo-chip{display:inline-block;background:#fff;border-radius:12px;padding:8px 12px}   /* giữ đúng màu logo trên nền tối */
.site-footer p{color:#A9C0A6;line-height:1.7}
.site-footer .bot{margin-top:40px;padding-top:22px;border-top:1px solid color-mix(in srgb,#fff 12%,transparent);display:flex;flex-wrap:wrap;gap:10px 30px;justify-content:space-between;font-size:13.5px}

/* ---------- thanh liên hệ nhanh (chỉ điện thoại) ---------- */
.fab{display:none}

/* ---------- màn hình vừa ---------- */
@media (max-width:1100px){
  .nav-phone{display:none}
  .oils{grid-template-columns:repeat(2,minmax(0,1fr))}
  .ruled{--n:2!important}
  .ruled > *{padding-bottom:22px}
  .site-footer .top{grid-template-columns:1fr 1fr}
}
@media (max-width:920px){
  .menu{display:none;position:absolute;left:0;right:0;top:100%;flex-direction:column;align-items:stretch;gap:0;background:var(--paper);border-bottom:1px solid var(--line);padding:6px var(--pad) 18px;box-shadow:0 18px 30px -24px rgba(0,0,0,.35)}
  .menu.open{display:flex}
  .site-header.on-video .menu.open a:not(.nav-cta){color:var(--ink);text-shadow:none}
  .menu a{padding:14px 0;border-bottom:1px solid var(--line)}
  .menu .nav-cta{margin-top:14px;justify-content:center;border-bottom:0}
  .burger{display:inline-flex}
  .site-header .wrap{position:relative}
  .hero .wrap,.split,.contact{grid-template-columns:1fr}
  .hero:not(.solo) .wrap > .media-wrap{order:-1}   /* kiểu chia đôi trên điện thoại: video lên trước chữ */
    .sh{grid-template-columns:1fr}
  .steps{grid-template-columns:1fr;gap:0}
  .step{padding:0 0 30px 62px}
  .step::before{display:block!important;top:48px;left:20px;right:auto;bottom:6px;width:2px;height:auto;background:color-mix(in srgb,var(--green) 25%,var(--line))}
  .step:last-child::before{display:none!important}
  .news{grid-template-columns:1fr 1fr}
}
/* ---------- điện thoại ---------- */
@media (max-width:640px){
  body{font-size:16px}
  .topbar{display:none}
  .creds{display:grid;grid-template-columns:repeat(auto-fit,minmax(96px,1fr));gap:14px 18px}
  .creds li,.creds li:first-child{padding:0;border:0}
  .oils{grid-template-columns:1fr 1fr;gap:0 18px}
  .oil{grid-template-columns:30px minmax(0,1fr);gap:10px;padding:16px 0}
  .oil .drop,.oil .thumb{width:30px;height:30px}
  .oil .drop svg{width:22px;height:27px}
  .oil-name{font-size:15.5px}
  .oil-sci{font-size:12.5px}
  .oil-sum{display:none}
  .news,.scope ul{grid-template-columns:1fr}
  .ruled{--n:1!important}
  .fgrid{grid-template-columns:1fr}
  .actions .btn{flex:1 1 100%}
  .site-footer .top{grid-template-columns:1fr}
  .fab{display:grid;grid-auto-flow:column;grid-auto-columns:1fr;gap:8px;position:fixed;left:10px;right:10px;bottom:calc(10px + env(safe-area-inset-bottom));z-index:60;
       background:color-mix(in srgb,var(--surface) 92%,transparent);backdrop-filter:blur(12px);-webkit-backdrop-filter:blur(12px);border:1px solid var(--line);border-radius:18px;padding:7px;box-shadow:0 12px 34px -12px rgba(8,25,12,.45)}
  .fab a{display:flex;align-items:center;justify-content:center;gap:7px;min-height:48px;border-radius:12px;font-weight:600;font-size:15px;color:var(--ink)}
  .fab a:hover{text-decoration:none}
  .fab .go{background:var(--green);color:var(--on-green)}
  body.has-fab{padding-bottom:88px}
}

/* ---------- thanh sửa nhanh — chỉ người đang đăng nhập quản trị thấy ---------- */
.staffbar{background:#111;color:#ddd;font-size:13px}
.staffbar .wrap{display:flex;flex-wrap:wrap;justify-content:space-between;align-items:center;gap:6px 18px;padding-top:7px;padding-bottom:7px}
.staffbar b{color:#fff;font-weight:600}
.staffbar nav{display:flex;gap:8px}
.staffbar a{color:#fff;background:rgba(255,255,255,.12);border-radius:999px;padding:5px 12px;font-weight:600}
.staffbar a:hover{background:rgba(255,255,255,.22);text-decoration:none}
.staffbar a:first-child{background:var(--gold);color:#1a1a1a}

/* lớp phủ trên video: nhẹ / vừa / đậm */
.hero-cine.shade-nhe .cine-shade{opacity:.6}
.hero-cine.shade-dam .cine-shade::after{content:"";position:absolute;inset:0;background:rgba(0,0,0,.24)}

/* nút ✎ Sửa ở từng phần — chỉ người đang đăng nhập quản trị thấy */
.section,.trust,.hero,.hero-top,.hero-cine,.site-footer,.page-head,.gates,.pdetail{position:relative}
.edit-pins{position:absolute;top:12px;right:12px;z-index:20;display:flex;flex-wrap:wrap;justify-content:flex-end;gap:6px;max-width:70%}
.edit-pins a{background:#111;color:#fff;font:600 12.5px/1 var(--font);padding:8px 12px;border-radius:999px;box-shadow:0 4px 14px -4px rgba(0,0,0,.45);white-space:nowrap}
.edit-pins a:hover{background:var(--gold);color:#111;text-decoration:none}
.trust .edit-pins{top:50%;transform:translateY(-50%)}

.hero-cine .edit-pins,.hero-top .edit-pins{left:12px;right:auto;justify-content:flex-start}   /* khỏi đè nút bật tiếng */

/* ---------- lưới sản phẩm: khung ảnh lớn, hiện trọn ảnh ---------- */
.pgrid{display:grid;grid-template-columns:repeat(4,minmax(0,1fr));gap:36px 28px}
.pcard{display:flex;flex-direction:column;gap:14px;color:var(--ink)}
.pcard:hover{text-decoration:none}
.pframe{position:relative;display:grid;place-items:center;aspect-ratio:var(--p-ratio,4/5);border-radius:18px;overflow:hidden;background:#fff;border:1px solid var(--line);transition:box-shadow .2s,transform .2s}
.pframe img{position:absolute;inset:0;width:100%;height:100%;object-fit:var(--p-fit,contain);padding:var(--p-pad,8%);transition:transform .35s}   /* ảnh nằm gọn trong khung, không tràn */
.pframe.noimg{background:color-mix(in srgb,var(--c) 14%,var(--surface));border-color:color-mix(in srgb,var(--c) 24%,var(--line))}
.pframe.noimg .drop{width:auto;height:auto}
.pframe.noimg .drop svg{width:56px;height:67px}
.pcard:hover .pframe{box-shadow:0 14px 34px -18px rgba(20,40,20,.45);transform:translateY(-3px)}
.pcard:hover .pframe img{transform:scale(1.04)}
.pcard:hover .oil-name{color:var(--green)}
.pmeta{display:flex;flex-direction:column}
@media (prefers-reduced-motion:reduce){.pcard:hover .pframe,.pcard:hover .pframe img{transform:none}}
@media (max-width:1100px){.pgrid{grid-template-columns:repeat(3,minmax(0,1fr))}}
@media (max-width:760px){.pgrid{grid-template-columns:repeat(2,minmax(0,1fr));gap:26px 16px}.pframe{border-radius:14px}.pframe.noimg .drop svg{width:40px;height:48px}}
@media (max-width:640px){.pcard .oil-sum{display:none}.pcard .oil-name{font-size:15.5px}}

/* ---------- trang chi tiết sản phẩm: ảnh lớn + ảnh nhỏ + phóng to ---------- */
.pdetail{display:grid;grid-template-columns:minmax(0,1.05fr) minmax(0,1fr);gap:clamp(32px,5vw,72px);align-items:start}
.gal{position:sticky;top:96px}
.gal-main{position:relative;display:grid;place-items:center;width:100%;aspect-ratio:var(--p-ratio,4/5);max-height:min(76vh,720px);border-radius:22px;overflow:hidden;background:#fff;border:1px solid var(--line);padding:0;cursor:zoom-in}
.gal-main img{position:absolute;inset:0;width:100%;height:100%;object-fit:var(--p-fit,contain);padding:var(--p-pad,8%)}
.gal-main.noimg{cursor:default;background:color-mix(in srgb,var(--c) 14%,var(--surface))}
.gal-main.noimg .drop svg{width:120px;height:144px}
.gal-zoom{position:absolute;right:14px;bottom:14px;display:inline-flex;align-items:center;gap:6px;padding:8px 12px;border-radius:999px;background:rgba(15,25,15,.72);color:#fff;font:600 12.5px/1 var(--font);pointer-events:none}
.gal-thumbs{display:flex;flex-wrap:wrap;gap:10px;margin-top:14px}
.gal-thumbs button{width:76px;height:76px;padding:0;border-radius:12px;overflow:hidden;border:2px solid var(--line);background:#fff;cursor:pointer}
.gal-thumbs button{position:relative}
.gal-thumbs button img{position:absolute;inset:0;width:100%;height:100%;object-fit:contain;padding:6px}
.gal-thumbs button[aria-current="true"]{border-color:var(--green)}
.lb{position:fixed;inset:0;z-index:200;display:none;align-items:center;justify-content:center;background:rgba(8,12,9,.92)}
.lb.open{display:flex}
.lb img{max-width:92vw;max-height:86vh;object-fit:contain;border-radius:10px;background:#fff}
.lb button{position:absolute;display:grid;place-items:center;width:52px;height:52px;border:0;border-radius:50%;background:rgba(255,255,255,.14);color:#fff;cursor:pointer}
.lb button:hover{background:rgba(255,255,255,.26)}
.lb .lb-close{top:18px;right:18px}
.lb .lb-prev{left:18px;top:50%;transform:translateY(-50%)}
.lb .lb-next{right:18px;top:50%;transform:translateY(-50%)}
.lb .lb-count{position:absolute;bottom:20px;left:50%;transform:translateX(-50%);color:#fff;font:500 14px var(--font)}
@media (max-width:920px){.pdetail{grid-template-columns:1fr}.gal{position:static}}
@media (max-width:640px){.gal-thumbs button{width:62px;height:62px}.lb .lb-prev,.lb .lb-next{top:auto;bottom:14px;transform:none}}

.cine-card{position:relative}
.cine-card .edit-pins{top:-16px;right:-8px;left:auto;max-width:none}

/* ---------- đầu trang con (Sản phẩm, OEM, Năng lực…) ---------- */
.page-head{padding:clamp(44px,6vw,84px) 0 clamp(36px,5vw,64px);background:linear-gradient(180deg,color-mix(in srgb,var(--mist) 70%,var(--paper)),var(--paper));border-bottom:1px solid var(--line)}
.page-head .wrap{display:grid;grid-template-columns:minmax(0,1fr);gap:40px;align-items:center}
.page-head.has-img .wrap{grid-template-columns:minmax(0,1.2fr) minmax(0,1fr)}
.page-head .h1{font-size:clamp(32px,4.4vw,54px);max-width:18ch}
.page-head .lead{margin-top:18px}
.page-head-img{width:100%;aspect-ratio:4/3;object-fit:cover;border-radius:20px}
.page-head + .section:not(.tint):not(.band){padding-top:clamp(44px,6vw,72px)}
@media (max-width:760px){.page-head.has-img .wrap{grid-template-columns:1fr}}
/* mục menu đang xem */
.menu > a.on{color:var(--green);font-weight:600;box-shadow:inset 0 -2px 0 var(--green)}
@media (max-width:920px){.menu > a.on{box-shadow:none}}

.crumbs{display:flex;flex-wrap:wrap;align-items:center;gap:8px;font-size:14px;color:var(--faint);margin-bottom:14px}
.crumbs a{color:var(--muted)}
.crumbs [aria-current]{color:var(--green);font-weight:600}

/* ---------- ô dẫn đường tới các trang (trang chủ) ---------- */
.gates{display:grid;grid-template-columns:repeat(var(--n,4),minmax(0,1fr));gap:20px}
.gate{display:flex;flex-direction:column;gap:10px;padding:28px 26px 24px;border-radius:20px;background:var(--surface);border:1px solid var(--line);color:var(--ink);transition:border-color .2s,box-shadow .2s,transform .2s}
.gate:hover{text-decoration:none;border-color:color-mix(in srgb,var(--green) 45%,var(--line));box-shadow:0 16px 34px -22px rgba(20,50,25,.5);transform:translateY(-3px)}
.gate-ico{width:52px;height:52px;border-radius:14px;display:grid;place-items:center;background:color-mix(in srgb,var(--green) 10%,var(--surface));color:var(--green);margin-bottom:6px}
.gate-title{font-size:19px;font-weight:700;letter-spacing:-.015em;line-height:1.3}
.gate-desc{font-size:15px;line-height:1.6;color:var(--muted);flex:1}
.gate-more{margin-top:6px;font-size:14.5px;font-weight:600;color:var(--green)}
.gate:hover .gate-more span{display:inline-block;transform:translateX(3px);transition:transform .2s}
@media (prefers-reduced-motion:reduce){.gate:hover{transform:none}}
@media (max-width:1100px){.gates{grid-template-columns:repeat(2,minmax(0,1fr))}}
@media (max-width:560px){.gates{grid-template-columns:1fr}.gate{padding:22px 20px}}

/* ---------- dải mời báo giá ---------- */
.cta-band{padding:clamp(40px,5vw,64px) 0}
.cta-card{background:var(--band);color:var(--band-ink);border-radius:24px;padding:clamp(28px,4vw,48px) clamp(24px,4vw,56px)}
.cta-card .h2{color:var(--band-ink)}
.cta-card .lead{color:var(--band-muted)}
.cta-row{display:flex;flex-wrap:wrap;align-items:center;justify-content:space-between;gap:24px 48px}
.cta-band .h2{font-size:clamp(24px,2.8vw,34px)}
.cta-band .lead{margin-top:10px}
.cta-actions{display:flex;flex-wrap:wrap;align-items:center;gap:14px 22px}
.cta-phone{color:var(--band-muted);font-size:15.5px}
.cta-phone b{color:var(--band-ink);font-weight:700}
.cta-phone:hover{text-decoration:none}

/* ---------- video nhà máy ---------- */
.vgrid{display:grid;grid-template-columns:repeat(3,minmax(0,1fr));gap:24px}
.vcard{display:flex;flex-direction:column;gap:12px;padding:0;border:0;background:none;text-align:left;cursor:pointer;color:var(--ink);font:inherit}
.vthumb{position:relative;display:block;aspect-ratio:16/9;border-radius:16px;overflow:hidden;background:#0B1A0F}
.vthumb img,.vthumb video{position:absolute;inset:0;width:100%;height:100%;object-fit:cover;transition:transform .35s}
.vthumb::after{content:"";position:absolute;inset:0;background:linear-gradient(0deg,rgba(0,0,0,.35),rgba(0,0,0,0) 55%)}
.vplay{position:absolute;left:50%;top:50%;z-index:1;width:64px;height:64px;margin:-32px 0 0 -32px;border-radius:50%;display:grid;place-items:center;background:rgba(255,255,255,.94);color:var(--green);box-shadow:0 10px 30px -10px rgba(0,0,0,.6);transition:transform .2s}
.vplay svg{margin-left:3px}
.vcard:hover .vthumb img,.vcard:hover .vthumb video{transform:scale(1.04)}
.vcard:hover .vplay{transform:scale(1.08)}
.vtitle{font-size:16.5px;font-weight:600;line-height:1.4}
.vcard:hover .vtitle{color:var(--green)}
.vlb{position:fixed;inset:0;z-index:210;display:none;align-items:center;justify-content:center;background:rgba(6,10,7,.94);padding:20px}
.vlb.open{display:flex}
.vlb-box{width:min(1100px,100%);aspect-ratio:16/9;max-height:84vh}
.vlb-box iframe,.vlb-box video{width:100%;height:100%;border:0;border-radius:12px;background:#000}
.vlb-close{position:absolute;top:16px;right:16px;width:52px;height:52px;border:0;border-radius:50%;display:grid;place-items:center;background:rgba(255,255,255,.14);color:#fff;cursor:pointer}
.vlb-close:hover{background:rgba(255,255,255,.26)}
@media (max-width:920px){.vgrid{grid-template-columns:repeat(2,minmax(0,1fr))}}
@media (max-width:560px){.vgrid{grid-template-columns:1fr}}
@media (prefers-reduced-motion:reduce){.vcard:hover .vthumb img,.vcard:hover .vthumb video,.vcard:hover .vplay{transform:none}}

/* ---------- thẻ mời liên hệ: Gọi / Zalo ---------- */
.cta-card .cta-row{display:flex;flex-wrap:wrap;align-items:center;justify-content:space-between;gap:24px 48px}
.cta-call,.cta-zalo{min-height:54px;padding:0 26px;font-size:16px}
.cta-zalo{background:#0068FF;color:#fff}
.cta-zalo:hover{background:#0056D6}
.cta-form{display:inline-block;margin-top:22px;padding-top:18px;border-top:1px solid var(--band-line);color:var(--band-muted);font-size:15px;font-weight:500}
.cta-form:hover{color:#fff}
@media (max-width:560px){.cta-actions{width:100%}.cta-actions .btn{flex:1 1 100%}}

/* ---------- nút tròn Gọi / Zalo nổi (máy tính) ---------- */
.fab-desk{position:fixed;right:22px;bottom:22px;z-index:60;display:flex;flex-direction:column;gap:10px}
.fd{position:relative;width:52px;height:52px;border-radius:50%;display:grid;place-items:center;color:#fff;background:var(--cc,var(--green));box-shadow:0 10px 26px -8px rgba(0,0,0,.45);transition:transform .2s}
.fd:hover{transform:scale(1.07);text-decoration:none}
.fd-tip{position:absolute;right:66px;top:50%;transform:translateY(-50%);white-space:nowrap;background:#111;color:#fff;font:600 13px/1 var(--font);padding:8px 11px;border-radius:8px;opacity:0;pointer-events:none;transition:opacity .15s}
.fd:hover .fd-tip,.fd:focus-visible .fd-tip{opacity:1}
@media (max-width:640px){.fab-desk{display:none}}

/* khung giữ chỗ cho phần trống — chỉ quản trị viên thấy */
.empty-slot{padding:28px 0}
.empty-box{display:flex;flex-wrap:wrap;align-items:center;justify-content:space-between;gap:14px 24px;padding:22px 26px;border:2px dashed #C9A227;border-radius:16px;background:#FFFBEA;color:#5B4A0A;font-size:15px;line-height:1.55}
.empty-box b{color:#3D3106}
.empty-box span{display:block;font-size:13px;color:#8A7420;margin-top:2px}
.empty-box a{flex:0 0 auto;background:#111;color:#fff;font-weight:600;font-size:14.5px;padding:11px 18px;border-radius:999px}
.empty-box a:hover{background:#C9A227;color:#111;text-decoration:none}

/* ---------- kênh liên hệ nhanh ---------- */
.ch{display:flex;flex-wrap:wrap;gap:10px}
.ch-pills a{display:inline-flex;align-items:center;gap:8px;min-height:44px;padding:0 16px 0 12px;border-radius:999px;background:var(--cc);color:#fff;font-weight:600;font-size:14.5px}
.ch-pills a:hover{text-decoration:none;filter:brightness(1.08)}
.ch-icons a{width:40px;height:40px;border-radius:50%;display:grid;place-items:center;background:var(--cc);color:#fff}
.ch-icons a:hover{text-decoration:none;filter:brightness(1.1)}
.ch-label{display:block;margin:18px 0 10px;font-size:13.5px;color:var(--faint)}
.ch-row{display:flex;flex-wrap:wrap;align-items:center;gap:10px 14px;margin-top:20px}
.site-footer .ch-icons a{width:36px;height:36px}

/* thanh dưới đáy điện thoại: biểu tượng + tên từng kênh */
@media (max-width:640px){
  .fab{grid-auto-flow:unset;grid-template-columns:repeat(var(--n,3),minmax(0,1fr));gap:2px;padding:5px;left:8px;right:8px}
  .fab a{flex-direction:column;gap:3px;min-height:52px;font-size:clamp(9.5px,2.75vw,11.5px);font-weight:600;letter-spacing:-.01em;color:var(--cc,var(--ink));border-radius:12px;padding:4px 0;text-align:center;line-height:1.1}
  .fab a span{color:var(--ink);white-space:nowrap;overflow:hidden;text-overflow:ellipsis;max-width:100%}
  .fab a.go{background:var(--green);color:var(--on-green)}
  .fab a.go span{color:var(--on-green)}
}

/* ---------- dải chứng nhận: logo trên, chữ dưới ---------- */
.trust .trust-row{display:flex;flex-wrap:wrap;align-items:center;gap:16px 40px;padding-top:22px;padding-bottom:22px}
.trust .lbl{flex:0 0 auto}
.badges{display:flex;flex-wrap:wrap;align-items:flex-start;gap:18px 40px}
.badge-cert{display:flex;flex-direction:column;align-items:center;text-align:center;gap:8px;width:150px;color:var(--ink)}
a.badge-cert:hover{text-decoration:none}
a.badge-cert:hover b{color:var(--green)}
.badge-cert img{height:68px;width:auto;max-width:140px;object-fit:contain}
.badge-cert .seal{width:68px;height:68px;display:grid;place-items:center;color:var(--green)}
.badge-cert .seal svg{width:70px;height:70px}
.bc-text{display:flex;flex-direction:column;align-items:center;line-height:1.3}
.bc-text b{font-size:14.5px;font-weight:700;letter-spacing:-.01em}
.bc-text small{font-size:12px;color:var(--faint);margin-top:2px}
.badge-cert.logo-only{width:auto}
.badge-cert.logo-only img{height:84px;max-width:170px}
@media (max-width:640px){
  .trust .trust-row{gap:14px}
  .trust .lbl{width:100%;text-align:center}
  .badges{display:grid;grid-template-columns:repeat(3,minmax(0,1fr));gap:14px 8px;width:100%}
  .badge-cert{width:auto}
  .badge-cert img{height:56px;max-width:100%}
  .badge-cert .seal,.badge-cert .seal svg{width:52px;height:52px}
  .badge-cert.logo-only img{height:66px}
  .bc-text b{font-size:13px}
  .bc-text small{font-size:11px}
}

/* ---------- logo chứng nhận cạnh tiêu đề "Mekoil làm gì" ---------- */
.gate-head{align-items:center}
.gate-certs{position:relative;display:flex;flex-direction:column;align-items:flex-end;gap:10px}
.gate-certs-lbl{font-size:13px;font-weight:600;color:var(--faint)}
.gate-certs .badges{justify-content:flex-end;gap:14px 22px}
.gate-certs .badge-cert{width:auto;max-width:130px}
.gate-certs .badge-cert img,.gate-certs .badge-cert.logo-only img{height:84px;max-width:120px}
.gate-certs .edit-pins{top:-40px;right:0}
@media (max-width:920px){
  .gate-certs{align-items:flex-start}
  .gate-certs .badges{justify-content:flex-start;display:flex}
}
@media (max-width:640px){
  .gate-certs .badges{display:flex;gap:12px 16px}
  .gate-certs .badge-cert img,.gate-certs .badge-cert.logo-only img{height:64px}
}