/*  bilstein.com.vn — CSS chính
    Chuyển từ bản demo đã duyệt. Không sửa trực tiếp file này trong wp-admin.
*/
:root{
  /* bảng màu lấy từ theme chính thức bilstein.com */
  --ink:#182128;
  --ink-2:#202a32;
  --ink-3:#323e48;
  --paper:#f4f5f7;
  --surface:#ffffff;
  --blue:#0094d8;
  --blue-deep:#0083bf;
  --gelb:#ffdc00;
  --gelb-deep:#f1af00;
  --steel:#586169;
  --steel-2:#959da5;
  --line:#dae2e6;
  --line-dark:#323e48;
  --ok:#1e9e46;
  --wait:#b8860b;

  --display:"Archivo","Helvetica Neue",Arial,sans-serif;
  --body:"Be Vietnam Pro","Segoe UI",Roboto,Arial,sans-serif;
  --mono:"IBM Plex Mono",ui-monospace,Menlo,monospace;

  --wrap:1200px;
}

*{box-sizing:border-box}
body{
  margin:0;
  background:var(--paper);
  color:var(--ink);
  font-family:var(--body);
  font-size:16px;
  line-height:1.7;
  -webkit-font-smoothing:antialiased;
}
img{max-width:100%;display:block}
a{color:inherit}

h1,h2,h3,h4{font-family:var(--display);font-weight:700;line-height:1.15;text-wrap:balance;margin:0}
p{margin:0}
ul{margin:0;padding:0;list-style:none}

.wrap{width:100%;max-width:var(--wrap);margin:0 auto;padding-inline:20px}

.eyebrow{
  font-family:var(--display);
  font-size:12px;font-weight:600;letter-spacing:.16em;text-transform:uppercase;
  color:var(--steel);
  display:flex;align-items:center;gap:10px;
}
.eyebrow::before{content:"";width:3px;height:14px;background:var(--gelb);flex:none}
.on-dark .eyebrow{color:var(--steel-2)}

/* ---------- header ---------- */
.top{background:var(--ink-2);color:#9aa1aa;font-size:12.5px;border-bottom:1px solid var(--line-dark)}
.top .wrap{display:flex;gap:20px;align-items:center;justify-content:space-between;padding-block:7px;flex-wrap:wrap}
.top strong{color:var(--gelb);font-weight:600}

.head{background:var(--ink);color:#fff;position:sticky;top:0;z-index:60;transition:box-shadow .2s ease}
.head.stuck{box-shadow:0 8px 24px rgba(0,0,0,.30)}
.head .wrap{display:flex;align-items:center;gap:28px;padding-block:16px;flex-wrap:wrap;transition:padding-block .18s ease}
.head.stuck .wrap{padding-block:10px}
.head.stuck .bilogo{width:118px;height:34px;transition:width .18s ease,height .18s ease}
.brand{display:flex;align-items:center;gap:12px;flex:none;text-decoration:none}
.logoslot{width:150px;height:33px;border:1px dashed #565c65;display:flex;align-items:center;justify-content:center;font-family:var(--mono);font-size:9.5px;letter-spacing:.15em;color:#8a9199;flex:none}
.brand-mark{
  font-family:var(--display);font-weight:700;font-size:21px;letter-spacing:.22em;
  color:#fff;border-left:4px solid var(--gelb);padding-left:11px;line-height:1;
}
.brand-sub{font-size:10.5px;letter-spacing:.1em;color:var(--steel-2);text-transform:uppercase;font-family:var(--display);font-weight:500;margin-top:5px}
.nav{display:flex;gap:24px;flex-wrap:wrap;font-family:var(--display);font-size:13.5px;font-weight:600;letter-spacing:.04em;text-transform:uppercase}
.nav a{color:#d6dae0;text-decoration:none;padding-block:4px;border-bottom:2px solid transparent}
.nav a:hover,.nav a.is-on{color:#fff;border-bottom-color:var(--gelb)}
.head-cta{margin-left:auto;display:flex;gap:10px;align-items:center;flex-wrap:wrap}
.phone{font-family:var(--display);font-weight:700;font-size:17px;color:#fff;text-decoration:none;letter-spacing:.02em}
.phone small{display:block;font-size:10px;letter-spacing:.14em;color:var(--steel-2);font-weight:500}

.btn{
  font-family:var(--display);font-weight:600;font-size:13.5px;letter-spacing:.05em;text-transform:uppercase;
  padding:12px 20px;border:1px solid transparent;cursor:pointer;text-decoration:none;display:inline-flex;align-items:center;gap:8px;
}
.btn-gelb{background:var(--blue);color:#fff}
.btn-gelb:hover{background:var(--blue-deep)}
.btn-ghost{background:transparent;color:#fff;border:1px solid #444a55}
.btn-ghost:hover{border-color:var(--blue);color:var(--blue)}
.btn-dark{background:var(--ink);color:#fff}
.btn-dark:hover{background:var(--ink-3)}

/* ---------- hero ---------- */
.hero{background:var(--ink);color:#fff;padding-block:56px 0;position:relative;overflow:hidden}
.hero::after{
  content:"";position:absolute;inset:0 0 0 auto;width:40%;
  background:linear-gradient(115deg,transparent 40%,rgba(255,194,14,.07) 40.4%,rgba(255,194,14,.07) 43%,transparent 43.4%);
  pointer-events:none;
}
.hero-grid{display:grid;grid-template-columns:1.05fr .95fr;gap:48px;align-items:start;position:relative;z-index:1}
.hero h1{font-size:clamp(30px,4.4vw,50px);letter-spacing:-.01em;margin-block:14px 16px}
.hero h1 em{font-style:normal;color:var(--gelb)}
.hero-lead{color:#b9bfc7;font-size:17px;max-width:52ch;font-weight:300}
.hero-facts{display:flex;gap:0;margin-top:32px;border-top:1px solid var(--line-dark);flex-wrap:wrap}
.hero-facts div{padding:18px 24px 24px 0;margin-right:24px;border-right:1px solid var(--line-dark)}
.hero-facts div:last-child{border-right:0}
.hero-facts b{display:block;font-family:var(--display);font-size:26px;font-weight:700;color:var(--gelb);line-height:1;font-variant-numeric:tabular-nums}
.hero-facts span{font-size:12px;color:var(--steel-2);letter-spacing:.04em}

/* fitment finder = instrument panel */
.finder{background:var(--ink-2);border:1px solid var(--line-dark);border-top:3px solid var(--gelb);padding:24px}
.finder h2{font-size:17px;letter-spacing:.02em;color:#fff;margin-bottom:4px}
.finder p{font-size:13px;color:var(--steel-2);margin-bottom:18px}
.fields{display:grid;gap:12px}
.field label{
  display:block;font-family:var(--mono);font-size:10.5px;letter-spacing:.1em;text-transform:uppercase;
  color:var(--steel-2);margin-bottom:6px;
}
.field select{
  width:100%;background:#14171c;color:#fff;border:1px solid #3a404a;
  padding:13px 12px;font-family:var(--body);font-size:15px;cursor:pointer;appearance:none;
  background-image:linear-gradient(45deg,transparent 50%,var(--blue) 50%),linear-gradient(135deg,var(--blue) 50%,transparent 50%);
  background-position:calc(100% - 19px) 50%,calc(100% - 13px) 50%;
  background-size:6px 6px,6px 6px;background-repeat:no-repeat;
}
.field select:disabled{color:#5c626b;cursor:not-allowed;background-image:none}
.field select:focus-visible{outline:2px solid var(--blue);outline-offset:1px}
.finder .btn{width:100%;justify-content:center;margin-top:16px}
.finder-out{margin-top:18px;border-top:1px solid var(--line-dark);padding-top:16px;font-size:14px;color:#b9bfc7}
.finder-out ol{margin:0;padding-left:0;list-style:none;display:grid;gap:8px}
.finder-out li{display:flex;justify-content:space-between;gap:14px;background:#14171c;padding:11px 14px;border-left:2px solid var(--gelb)}
.finder-out .nm{color:#fff;font-weight:500;font-size:14px}
.finder-out .pr{font-family:var(--mono);color:var(--gelb);font-size:13.5px;white-space:nowrap}

/* ---------- sections ---------- */
.sec{padding-block:64px}
.sec-head{display:flex;justify-content:space-between;align-items:flex-end;gap:24px;margin-bottom:28px;flex-wrap:wrap}
.sec-head h2{font-size:clamp(22px,2.8vw,31px);letter-spacing:-.005em;margin-top:10px}
.sec-head p{color:var(--steel);font-size:15px;max-width:56ch;margin-top:6px}
.link-more{font-family:var(--display);font-size:13px;font-weight:600;letter-spacing:.06em;text-transform:uppercase;text-decoration:none;color:var(--blue);border-bottom:2px solid var(--blue);padding-bottom:2px;white-space:nowrap}

/* three audiences */
.tiers{display:grid;grid-template-columns:repeat(3,1fr);gap:2px;background:var(--line)}
.tier{background:var(--surface);padding:30px 26px 28px;display:flex;flex-direction:column;gap:12px;text-decoration:none}
.tier:hover{background:#f4f9fd}
.tier-idx{font-family:var(--mono);font-size:11px;color:var(--gelb-deep);letter-spacing:.1em}
.tier h3{font-size:20px}
.tier p{font-size:14.5px;color:var(--steel);flex:1}
.tier ul{display:flex;flex-wrap:wrap;gap:6px}
.tier li{font-family:var(--mono);font-size:11px;color:var(--steel);border:1px solid var(--line);padding:3px 7px}
.tier b{font-family:var(--display);font-size:13px;letter-spacing:.05em;text-transform:uppercase;color:var(--ink);border-bottom:2px solid var(--gelb);align-self:flex-start;padding-bottom:2px}

/* trust strip */
.trust{background:var(--ink);color:#fff}
.fbar + .trust{border-top:1px solid #3a4049}
.trust .wrap{display:grid;grid-template-columns:repeat(4,1fr);gap:36px;padding-block:40px}
.trust h2{font-size:15px;letter-spacing:.02em;margin-bottom:6px;color:var(--gelb)}
.trust p{font-size:13.5px;color:#a8aeb7;font-weight:300}

/* product cards */
.cards{display:grid;grid-template-columns:repeat(4,1fr);gap:18px}
.card{background:var(--surface);border:1px solid var(--line);display:flex;flex-direction:column;text-decoration:none}
.card:hover{border-color:var(--ink)}
.card-img{aspect-ratio:4/3;background:
   radial-gradient(circle at 50% 45%,#fff 0,#eaeef2 70%);
   display:flex;align-items:center;justify-content:center;position:relative;max-width:100%}
.card-img .rod{width:13px;height:58%;background:linear-gradient(90deg,#c9ccd1,#f2f3f5 40%,#aeb3ba);border-radius:2px}
.card-img .body{width:30px;height:38%;background:linear-gradient(90deg,var(--gelb-deep),var(--gelb) 40%,#c99400);position:absolute;bottom:16%;border-radius:2px}
.card-line{position:absolute;top:10px;left:10px;font-family:var(--mono);font-size:10.5px;letter-spacing:.08em;background:var(--ink);color:var(--gelb);padding:3px 7px}
.card-b{padding:16px 16px 18px;display:flex;flex-direction:column;gap:8px;flex:1}
.card h3{font-size:15.5px;line-height:1.3;font-weight:600;font-family:var(--body)}
.card .fit{font-family:var(--mono);font-size:11.5px;color:var(--steel)}
.card .price{font-family:var(--display);font-weight:700;font-size:19px;margin-top:auto;font-variant-numeric:tabular-nums}
.card .unit{font-size:12px;color:var(--steel);font-weight:400;font-family:var(--body)}
.stock{font-family:var(--mono);font-size:11px;letter-spacing:.04em;display:inline-flex;align-items:center;gap:6px}
.stock::before{content:"";width:6px;height:6px;border-radius:50%;background:currentColor}
.stock.in{color:var(--ok)}
.stock.pre{color:var(--wait)}

/* compare table */
.tablewrap{overflow-x:auto;border:1px solid var(--line);background:var(--surface)}
table{border-collapse:collapse;width:100%;min-width:640px;font-size:14.5px}
th,td{text-align:left;padding:14px 16px;border-bottom:1px solid var(--line)}
thead th{background:var(--ink);color:#fff;font-family:var(--display);font-size:12.5px;letter-spacing:.08em;text-transform:uppercase;font-weight:600}
tbody tr:last-child td{border-bottom:0}
tbody th{font-family:var(--display);font-weight:700;font-size:15px;width:118px;border-right:3px solid var(--gelb)}
td.num{font-variant-numeric:tabular-nums;font-family:var(--mono);font-size:13.5px}

/* branches */
.branches{display:grid;grid-template-columns:repeat(3,1fr);gap:18px}
.branch{background:var(--surface);border:1px solid var(--line);padding:20px;display:flex;flex-direction:column;gap:5px}
.branch b{font-family:var(--display);font-size:15px;letter-spacing:.03em}
.branch .k{font-family:var(--mono);font-size:11px;color:var(--gelb-deep);letter-spacing:.1em}
.branch p{font-size:13.5px;color:var(--steel)}

/* articles */
.posts{display:grid;grid-template-columns:repeat(3,1fr);gap:18px}
.post{background:var(--surface);border:1px solid var(--line);display:flex;flex-direction:column;text-decoration:none;overflow:hidden}
.post-img{aspect-ratio:16/9;max-width:100%;background-size:cover;background-position:center;background-color:#0d1a26}
.post-b{padding:20px 22px 22px;display:flex;flex-direction:column;gap:10px;flex:1}
.post:hover{border-color:var(--ink)}
.post time{font-family:var(--mono);font-size:11px;color:var(--steel-2);letter-spacing:.06em}
.post h3{font-size:17px;line-height:1.3}
.post p{font-size:14px;color:var(--steel)}

/* cta band */
.band{background:linear-gradient(95deg,#ffdc00,#f1af00)}
.band .wrap{display:flex;align-items:center;gap:30px;justify-content:space-between;padding-block:36px;flex-wrap:wrap}
.band h2{font-size:clamp(21px,2.6vw,28px);max-width:24ch}
.band p{font-size:14.5px;margin-top:6px;color:#4a3d02}
.band .acts{display:flex;gap:10px;flex-wrap:wrap}
.band-mini .wrap{display:flex;align-items:center;justify-content:space-between;gap:20px 30px;flex-wrap:wrap;padding-block:26px}
.band-mini h2{max-width:none;margin:0;font-size:clamp(18px,2.1vw,23px)}
.btn-line{background:transparent;color:var(--ink);border:1px solid rgba(24,33,40,.42)}
.btn-line:hover{border-color:var(--ink);background:rgba(255,255,255,.4)}
@media(max-width:620px){
  .band-mini .wrap{flex-direction:column;align-items:flex-start;gap:16px}
  .band-mini .acts{width:100%}
  .band-mini .acts .btn{flex:1;justify-content:center}
}

/* footer */
.foot{background:var(--ink);color:#9aa1aa;font-size:14px}
.foot-brand{text-align:center;padding-block:28px 22px}
.foot .foot-brand .bilogo{display:block;margin-inline:auto;width:142px;height:auto}
.foot .wrap{display:grid;grid-template-columns:minmax(240px,1fr) max-content max-content max-content;gap:32px 56px;align-items:start;padding-block:38px 52px;border-top:1px solid var(--line-dark)}
.foot h2{color:#fff;font-size:12.5px;font-weight:700;letter-spacing:.14em;text-transform:uppercase;margin:0 0 18px;padding-bottom:11px;position:relative}
.foot h4::after{content:"";position:absolute;left:0;bottom:0;width:26px;height:2px;background:var(--gelb)}
.foot ul{margin:0}
.foot a{text-decoration:none;color:#9aa1aa;transition:color .15s ease}
.foot a:hover{color:var(--blue)}
.foot li{margin-bottom:10px;font-size:13.5px;line-height:1.45}
.foot li:last-child{margin-bottom:0}
.foot-co{font-size:13.5px;line-height:1.6;max-width:420px}
.foot-co .co-lead{color:#848b93;margin-bottom:16px}
.foot-co .co-name{display:block;font-size:15.5px;font-weight:700;color:#fff;margin-bottom:4px;line-height:1.35}
.foot-co dl{display:grid;gap:10px;margin:0}
.foot-co dl > div{display:grid;grid-template-columns:18px 1fr;gap:10px;align-items:start}
.foot-co svg{width:16px;height:16px;margin-top:2px;stroke:var(--blue);fill:none;stroke-width:1.7;stroke-linecap:round;stroke-linejoin:round;flex:none}
.foot-co a{color:inherit}
.foot-legal{border-top:1px solid var(--line-dark);font-size:12.5px;color:#71787f}
.foot .foot-legal .wrap{display:block;padding-block:18px;text-align:center;border-top:0}
.foot-soc .wrap{display:flex;align-items:center;justify-content:center;gap:12px 22px;flex-wrap:wrap;padding-block:20px;border-top:1px solid var(--line-dark)}
.foot-soc h2{font-family:var(--display);font-size:11px;letter-spacing:.13em;text-transform:uppercase;color:#8f9aa4;margin:0;padding:0;line-height:1;position:static;transform:translateY(1.6px)}  /* cân quang học: chữ hoa có dấu, mực lệch lên so với hộp chữ */
.foot-soc h2::after{display:none}
.soc-l{display:flex;align-items:center;gap:7px;flex-wrap:wrap}
.soc{width:30px;height:30px;border-radius:6px;display:grid;place-items:center;text-decoration:none;color:#9aa4ad;border:1px solid #3a444d;transition:border-color .16s ease,color .16s ease,background .16s ease}
.soc:hover{border-color:var(--gelb);color:var(--gelb);background:rgba(255,255,255,.05)}
.soc svg{width:15px;height:15px;fill:none;stroke:currentColor;stroke-width:1.6;stroke-linecap:round;display:block}
.soc svg.brand{fill:currentColor;stroke:none}
.soc .ymask{display:block;width:13px;height:13px;background-color:currentColor;
  -webkit-mask:url(../img/youtube.png) center/contain no-repeat;
  mask:url(../img/youtube.png) center/contain no-repeat}
/* cân quang học: mỗi logo lấp đầy khung một kiểu khác nhau */
.soc[aria-label="TikTok"] svg{width:13.5px;height:13.5px}
@media(max-width:560px){
  .foot-soc .wrap{flex-direction:column;gap:14px}
}

.seolinks{border-top:1px solid var(--line-dark)}
.seolinks .wrap{display:block;padding-block:20px}
.seolinks h4{color:#71787f;font-size:11px;letter-spacing:.12em;margin-bottom:10px}
.seolinks ul{display:flex;flex-wrap:wrap;gap:6px 0}
.seolinks li{margin:0;font-size:12.5px}
.seolinks li::after{content:"·";margin-inline:9px;color:#4b525b}
.seolinks li:last-child::after{content:""}
.seolinks a{color:#848b93;text-decoration:none}

/* ---------- breadcrumb ---------- */
.crumb{background:var(--surface);border-bottom:1px solid var(--line);font-size:12.5px;color:var(--steel)}
.crumb .wrap{padding-block:11px}
.crumb a{text-decoration:none}
.crumb a:hover{color:var(--blue)}
.crumb span{margin-inline:7px;color:#bdb9af}

/* ---------- vehicle page ---------- */
.vhero{background:var(--surface);border-bottom:1px solid var(--line)}
.vhero .wrap{padding-block:40px 36px}
.vhero h1{font-size:clamp(26px,3.6vw,40px);margin-block:12px 14px}
.vhero p{color:var(--steel);max-width:70ch;font-size:16px}
.vmeta{display:flex;gap:28px;flex-wrap:wrap;margin-top:24px;padding-top:20px;border-top:1px solid var(--line)}
.vmeta div b{display:block;font-family:var(--display);font-size:19px;font-variant-numeric:tabular-nums}
.vmeta div span{font-size:12px;color:var(--steel);letter-spacing:.03em}

.prose{max-width:68ch}
.prose h2{font-size:25px;margin-block:36px 12px}
.prose h3{font-size:19px;margin-block:26px 8px}
.prose p{margin-bottom:14px;color:#33373e}
.prose ul.bullets{margin-bottom:16px;display:grid;gap:8px}
.prose ul.bullets li{padding-left:20px;position:relative;color:#33373e}
.prose ul.bullets li::before{content:"";position:absolute;left:0;top:11px;width:9px;height:2px;background:var(--gelb-deep)}
/* danh sách trong bài viết */
.prose ul{list-style:none;margin:0 0 20px;padding:0;display:grid;gap:11px}
.prose ul li{position:relative;padding-left:24px;color:#33373e;line-height:1.65}
.prose ul li::before{content:"";position:absolute;left:0;top:11px;width:12px;height:2px;background:var(--gelb-deep)}
.prose ul li b{color:var(--ink)}
.prose ol{list-style:none;counter-reset:pl;margin:0 0 20px;padding:0;display:grid;gap:11px}
.prose ol li{counter-increment:pl;position:relative;padding-left:30px;color:#33373e;line-height:1.65}
.prose ol li::before{content:counter(pl) ".";position:absolute;left:0;top:0;
  font-family:var(--display);font-weight:700;font-size:14.5px;color:var(--gelb-deep)}
/* bảng trong bài viết */
.tbl{overflow-x:auto;margin-block:22px 26px;border:1px solid var(--line);background:var(--surface)}
.prose .tbl table{width:100%;min-width:460px;border-collapse:collapse;font-size:14.5px;background:none}
.prose .tbl thead th{background:var(--ink);color:#fff;font-family:var(--display);font-size:11.5px;
  font-weight:600;letter-spacing:.1em;text-transform:uppercase;text-align:left;padding:11px 15px;white-space:nowrap}
.prose .tbl tbody th{text-align:left;width:30%;background:#f4f5f7;color:var(--ink);
  font-family:var(--body);font-size:14.5px;font-weight:600}
.prose .tbl th,.prose .tbl td{border-bottom:0;border-right:0}
.prose .tbl tbody th,.prose .tbl tbody td{padding:12px 15px;border-top:1px solid var(--line);
  vertical-align:top;color:#33373e;line-height:1.5}
.prose .tbl tbody tr:hover th{background:#eef2f6}
.prose .tbl tbody tr:hover td{background:#f7f9fb}
.prose .tbl td em{font-style:normal;color:var(--ink);font-weight:600}
@media(max-width:560px){
  .prose .tbl thead th,.prose .tbl tbody th,.prose .tbl tbody td{padding:10px 12px}
  .prose .tbl table{font-size:13.5px}
}
.rdmore{position:relative;max-width:68ch}
.rdmore-body{transition:max-height .001s}
.rdmore.is-clamped .rdmore-body{max-height:var(--rdmax,430px);overflow:hidden;
  -webkit-mask-image:linear-gradient(180deg,#000 0 76%,transparent 100%);
  mask-image:linear-gradient(180deg,#000 0 76%,transparent 100%)}
.rdmore-act{margin-top:10px;display:flex;justify-content:center}
.rdmore-btn{display:inline-flex;align-items:center;gap:8px;background:none;border:0;cursor:pointer;
  font-family:var(--display);font-size:14.5px;font-weight:600;letter-spacing:.005em;
  color:var(--blue);padding:8px 10px;transition:color .15s ease}
.rdmore-btn:hover{color:var(--blue-deep)}
.rdmore-btn:focus-visible{outline:2px solid var(--gelb-deep);outline-offset:2px}
.rdmore-btn svg{width:13px;height:13px;fill:none;stroke:currentColor;stroke-width:2.2;stroke-linecap:round;stroke-linejoin:round;transition:transform .18s ease}
.rdmore.is-open .rdmore-btn svg{transform:rotate(180deg)}

.faq{display:grid;gap:2px;background:var(--line);border:1px solid var(--line)}
.faq details{background:var(--surface);padding:0}
.faq summary{
  cursor:pointer;padding:16px 18px;font-weight:600;font-size:15px;list-style:none;
  display:flex;justify-content:space-between;gap:16px;align-items:center;
}
.faq summary::-webkit-details-marker{display:none}
.faq summary::after{content:"+";font-family:var(--display);color:var(--gelb-deep);font-size:19px;line-height:1}
.faq details[open] summary::after{content:"–"}
.faq details[open] summary{background:#f4f9fd}
.faq .a{padding:0 18px 18px;color:var(--steel);font-size:14.5px}

/* ---------- product page ---------- */
.pdp{display:grid;grid-template-columns:minmax(0,1.15fr) minmax(0,1fr);gap:40px;align-items:start;padding-block:36px}
.gal{display:grid;gap:10px;position:sticky;top:calc(var(--headh,66px) + 16px);align-self:start}
.gal-main{aspect-ratio:1/1;max-height:calc(100svh - var(--headh,66px) - 190px);background-color:#fff;background-size:contain;background-position:center;background-repeat:no-repeat;border:1px solid var(--line);position:relative;display:flex;align-items:center;justify-content:center;max-width:100%}
.gal-main .rod{width:22px;height:52%;background:linear-gradient(90deg,#bfc3c9,#f6f7f8 38%,#a7acb3);border-radius:3px;position:absolute;top:11%}
.gal-main .body{width:52px;height:40%;background:linear-gradient(90deg,#c99400,var(--gelb) 42%,#b98a00);position:absolute;bottom:12%;border-radius:3px}
.gal-main .tag{position:absolute;top:12px;left:12px;font-family:var(--mono);font-size:11px;background:var(--ink);color:var(--gelb);padding:4px 9px;letter-spacing:.08em}
.gal-thumbs{display:grid;grid-template-columns:repeat(4,1fr);gap:10px}
.gal-thumbs div{aspect-ratio:1;border:1px solid var(--line);background-color:#f4f5f7;background-size:cover;background-position:center;display:flex;align-items:center;justify-content:center;font-family:var(--mono);font-size:10px;color:var(--steel-2);text-align:center;padding:4px;max-width:100%}
.gal-thumbs div:first-child{border-color:var(--ink)}

.buy{border:1px solid var(--line);background:var(--surface)}
.buy-in{padding:24px}
.buy h1{font-size:26px;line-height:1.2;margin-bottom:10px}
.buy .sku{font-family:var(--mono);font-size:12px;color:var(--steel);letter-spacing:.05em}
.pricebox{margin-block:20px;padding:18px 20px;background:#f4f9fd;border-left:4px solid var(--gelb)}
.pricebox > div{display:flex;flex-wrap:wrap;align-items:baseline;column-gap:10px}
.pricebox .now{font-family:var(--display);font-weight:700;font-size:33px;line-height:1;font-variant-numeric:tabular-nums}
.pricebox .was{font-size:14px;color:var(--steel);text-decoration:line-through;font-variant-numeric:tabular-nums}
.pricebox .u{font-size:13px;color:var(--steel);margin-top:7px}
.parts{width:100%;min-width:0;border:1px solid var(--line);font-size:13.5px;margin-block:18px}
.parts th,.parts td{padding:9px 12px;border-bottom:1px solid var(--line)}
.parts thead th{background:#f4f5f7;color:var(--ink);font-family:var(--display);font-size:11px;letter-spacing:.08em}
.parts td.code{font-family:var(--mono);font-size:12.5px}
.parts tbody tr:last-child td{border-bottom:0}
.acts{display:grid;gap:10px;margin-top:18px}
.acts .btn{justify-content:center;padding-block:15px;font-size:14px}
.assure{display:grid;gap:9px;margin-top:20px;padding-top:18px;border-top:1px solid var(--line)}
.assure li{font-size:13.5px;color:var(--steel);padding-left:19px;position:relative}
.assure li::before{content:"";position:absolute;left:0;top:9px;width:9px;height:2px;background:var(--gelb-deep)}
.highlights{background:var(--ink-2);color:#cfd4da;padding:22px 24px;font-size:14px}
.highlights h2{color:var(--gelb);font-size:12px;letter-spacing:.12em;text-transform:uppercase;margin-bottom:12px}
.highlights li{padding-left:19px;position:relative;margin-bottom:9px;font-weight:300}
.highlights li:last-child{margin-bottom:0}
.highlights li::before{content:"";position:absolute;left:0;top:10px;width:9px;height:2px;background:var(--gelb)}

.specs{display:grid;grid-template-columns:repeat(2,1fr);gap:0 40px;border-top:1px solid var(--line)}
.specs div{display:flex;justify-content:space-between;gap:18px;padding-block:11px;border-bottom:1px solid var(--line)}
.specs dt{color:var(--steel);font-size:14px}
.specs dd{margin:0;font-family:var(--mono);font-size:13.5px;text-align:right}

.fitbranch{display:grid;grid-template-columns:repeat(3,1fr);gap:2px;background:var(--line);border:1px solid var(--line)}
.fitbranch div{background:var(--surface);padding:16px 18px}
.fitbranch b{font-family:var(--display);font-size:14.5px;display:block}
.fitbranch span{font-size:13px;color:var(--steel)}

/* ---------- catalog / archive ---------- */
.cathead{background:var(--surface);border-bottom:1px solid var(--line)}
.cathead .wrap{padding-block:32px 28px}
.cathead h1{font-size:clamp(25px,3.2vw,36px);margin-block:11px 12px}
.cathead p{color:var(--steel);max-width:68ch;font-size:15.5px}

.catsec{padding-block:26px 56px}

.filterbar{border:1px solid var(--line);background:var(--surface);border-top:3px solid var(--ink)}
.fb-row{display:flex;gap:14px;align-items:center;flex-wrap:wrap;padding:15px 18px}
.fb-row + .fb-row{border-top:1px solid var(--line);background:#f9fafb}
.fb-lab{
  font-family:var(--display);font-size:11.5px;font-weight:600;letter-spacing:.13em;text-transform:uppercase;
  color:var(--steel);flex:none;width:104px;
}
.fb-sel{
  font-family:var(--body);font-size:14.5px;padding:11px 34px 11px 13px;border:1px solid #c8ccd5;
  background:var(--surface);cursor:pointer;appearance:none;min-width:184px;color:var(--ink);
  background-image:linear-gradient(45deg,transparent 50%,var(--blue) 50%),linear-gradient(135deg,var(--blue) 50%,transparent 50%);
  background-position:calc(100% - 18px) 53%,calc(100% - 13px) 53%;background-size:6px 6px;background-repeat:no-repeat;
}
.fb-sel:disabled{color:#a5a096;cursor:not-allowed;background-image:none;background-color:#f4f2ee}
.fb-sel:focus-visible{outline:2px solid var(--ink);outline-offset:1px}
.fb-clear{
  margin-left:auto;background:none;border:0;cursor:pointer;padding:0;
  font-family:var(--mono);font-size:11.5px;color:var(--steel);text-decoration:underline;
}
.fb-clear:hover{color:var(--ink)}

.pills{display:flex;gap:6px;flex-wrap:wrap}
.pill{
  font-family:var(--display);font-size:13px;font-weight:600;letter-spacing:.04em;
  padding:9px 14px;border:1px solid #c8ccd5;background:var(--surface);color:var(--ink);cursor:pointer;
  display:inline-flex;align-items:center;gap:8px;
}
.pill:hover{border-color:var(--ink)}
.pill .n{font-family:var(--mono);font-size:10.5px;font-weight:400;color:var(--steel-2)}
.pill[aria-pressed="true"]{background:var(--ink);color:#fff;border-color:var(--ink)}
.pill[aria-pressed="true"] .n{color:var(--gelb)}
.pill:focus-visible{outline:2px solid var(--gelb-deep);outline-offset:2px}
.pills-link{display:flex;justify-content:flex-end;margin:12px 0 18px}
.pill-more{gap:7px;border-style:dashed}
.pill-more svg{width:11px;height:11px;fill:none;stroke:currentColor;stroke-width:2.2;stroke-linecap:round;stroke-linejoin:round;transition:transform .18s ease}
.pills.is-open .pill-more svg{transform:rotate(180deg)}

.cat-bar{
  display:flex;justify-content:space-between;align-items:center;gap:18px;flex-wrap:wrap;
  border-bottom:1px solid var(--line);padding-block:18px 14px;margin-bottom:18px;
}
.cat-count{font-size:14px;color:var(--steel)}
.cat-count b{font-family:var(--display);font-size:17px;color:var(--ink);font-variant-numeric:tabular-nums}
.cat-sort{display:flex;align-items:center;gap:9px;font-size:13.5px;color:var(--steel)}
.cat-sort select{
  font-family:var(--body);font-size:14px;padding:8px 30px 8px 11px;border:1px solid var(--line);
  background:var(--surface);cursor:pointer;appearance:none;
  background-image:linear-gradient(45deg,transparent 50%,var(--ink) 50%),linear-gradient(135deg,var(--ink) 50%,transparent 50%);
  background-position:calc(100% - 16px) 52%,calc(100% - 11px) 52%;background-size:5px 5px;background-repeat:no-repeat;
}
.chips{display:flex;gap:7px;flex-wrap:wrap;margin-bottom:16px}
.chips:empty{display:none}
.chip{
  display:inline-flex;align-items:center;gap:7px;background:var(--ink);color:#fff;
  font-size:12.5px;padding:5px 9px;font-family:var(--body);
}
.chip button{background:none;border:0;color:var(--gelb);cursor:pointer;font-size:14px;line-height:1;padding:0}
.catgrid{display:grid;grid-template-columns:repeat(4,1fr);gap:16px}
.catempty{border:1px dashed var(--line);padding:44px 24px;text-align:center;color:var(--steel);font-size:15px}
.pager{display:flex;gap:5px;margin-top:28px;align-items:center;flex-wrap:wrap}
.pager a{
  font-family:var(--display);font-size:13.5px;font-weight:600;min-width:38px;height:38px;
  display:inline-flex;align-items:center;justify-content:center;border:1px solid var(--line);
  text-decoration:none;background:var(--surface);padding-inline:10px;
}
.pager a[aria-current="page"]{background:var(--ink);color:#fff;border-color:var(--ink)}
.pager a:hover:not([aria-current]){border-color:var(--ink)}
.pager{display:flex;align-items:center;gap:6px;flex-wrap:wrap;margin-top:28px;padding-top:22px;
  border-top:1px solid var(--line)}
.pg{min-width:40px;height:40px;padding:0 10px;border:1px solid var(--line);background:var(--surface);
  font-family:var(--display);font-size:14px;font-weight:600;color:var(--ink);cursor:pointer;
  transition:border-color .15s ease,background .15s ease,color .15s ease}
.pg:hover:not(:disabled):not(.on){border-color:var(--ink)}
.pg.on{background:var(--ink);border-color:var(--ink);color:var(--gelb);cursor:default}
.pg:disabled{color:#b9bfc7;cursor:not-allowed}
@media(max-width:430px){
  .pager{gap:5px}
  .pg{min-width:36px;height:36px;padding:0 6px;font-size:13px}
}
.pg-nav{font-size:18px;line-height:1}
.pg-dots{padding:0 4px;color:var(--steel-2)}
.pg-info{margin-left:auto;font-family:var(--mono);font-size:12px;color:var(--steel)}
@media(max-width:560px){.pg-info{margin-left:0;width:100%;margin-top:6px}}
.catseo{border-top:1px solid var(--line);margin-top:38px;padding-top:26px}

/* ---------- biến thể mua ---------- */
.vartabs{display:grid;grid-template-columns:repeat(3,minmax(0,1fr));gap:0;border:1px solid #c8ccd5;margin-block:18px}
.vartab{
  background:var(--surface);border:0;border-right:1px solid #cfcbc1;cursor:pointer;
  padding:13px 8px;text-align:center;font-family:var(--body);color:var(--ink);
}
.vartab:last-child{border-right:0}
.vartab b{display:block;font-family:var(--display);font-size:13.5px;font-weight:600;letter-spacing:.03em}
.vartab span{display:block;font-family:var(--mono);font-size:11.5px;color:var(--steel);margin-top:3px;font-variant-numeric:tabular-nums}
.vartab[aria-pressed="true"]{background:var(--ink);color:#fff}
.vartab[aria-pressed="true"] span{color:var(--gelb)}
.vartab:focus-visible{outline:2px solid var(--gelb-deep);outline-offset:-3px}

.warn{
  border:1px solid #e8cf8a;background:#fffaec;padding:14px 16px;margin-block:18px;font-size:13.5px;line-height:1.6;
  border-left:4px solid var(--gelb-deep);
}
.warn b{font-family:var(--display);font-size:12px;letter-spacing:.1em;text-transform:uppercase;display:block;margin-bottom:5px}
.warn a{color:var(--gelb-deep)}

.card .price small{display:block;font-family:var(--body);font-size:12px;font-weight:400;color:var(--steel);letter-spacing:0;margin-top:2px}
.chassis{font-family:var(--mono);font-size:10.5px;letter-spacing:.06em;background:#e8edf1;color:#44484f;padding:2px 6px;display:inline-block}
.card-line + .chassis{margin-left:6px}
.gal-main .tag2{position:absolute;top:12px;right:12px;font-family:var(--mono);font-size:11px;background:#e8edf1;color:#44484f;padding:4px 9px;letter-spacing:.06em}

/* ---------- hub dòng sản phẩm ---------- */
html{scroll-behavior:smooth}
@media(prefers-reduced-motion:reduce){html{scroll-behavior:auto}}
.world{margin-bottom:0;scroll-margin-top:calc(var(--headh,66px) + 18px)}
.prose h2[id]{scroll-margin-top:calc(var(--headh,66px) + 22px)}
#dl-form,#lv-list,section[id]{scroll-margin-top:calc(var(--headh,66px) + 18px)}
.world-h{background:var(--ink);color:#fff}
.world-h .wrap{display:grid;grid-template-columns:auto 1fr auto;gap:0 22px;align-items:center;padding-block:30px 32px}
.wnum{font-family:var(--display);font-weight:700;font-size:46px;line-height:1;color:var(--gelb);
  font-variant-numeric:tabular-nums;letter-spacing:-.03em}
.world-t h2{font-size:26px;letter-spacing:-.01em}
.world-t p{font-size:14px;color:var(--steel-2);margin-top:5px;max-width:64ch}
.wcount{font-family:var(--mono);font-size:11.5px;letter-spacing:.14em;text-transform:uppercase;color:#fff;
  border:1px solid #3a434c;padding:6px 11px;white-space:nowrap}
.world-b{padding-block:30px 40px}
.wsub{font-family:var(--display);font-size:12.5px;font-weight:700;letter-spacing:.16em;text-transform:uppercase;
  color:var(--steel);margin:26px 0 14px;display:flex;align-items:center;gap:10px}
.wsub:first-child{margin-top:0}
.wsub::before{content:"";width:16px;height:3px;background:var(--gelb);flex:none}
.wsub::after{content:"";height:1px;background:var(--line);flex:1}
.wsub em{font-style:normal;font-family:var(--mono);font-size:11px;letter-spacing:.06em;text-transform:none;color:var(--steel-2);margin-left:-4px}
.lines{display:grid;grid-template-columns:repeat(3,1fr);gap:14px}
.lineC{display:grid;grid-template-columns:112px 1fr;min-height:158px;background:var(--surface);
  border:1px solid var(--line);text-decoration:none;overflow:hidden;
  transition:border-color .16s ease,box-shadow .16s ease,transform .16s ease}
.lineC:hover{border-color:var(--ink);box-shadow:0 12px 28px rgba(24,33,40,.13);transform:translateY(-2px)}
.lpic{background:#fff center/auto 86% no-repeat;border-right:1px solid var(--line);transition:background-color .16s ease}
.lineC:hover .lpic{background-color:#eef2f6}
.lbody{padding:16px 18px;display:flex;flex-direction:column;gap:7px;justify-content:center}
.lineC h4{font-family:var(--display);font-size:17.5px;letter-spacing:.01em;line-height:1.22;color:var(--ink)}
.lineC p{font-size:13px;color:var(--steel);line-height:1.5;flex:1}
.lgo{display:inline-flex;align-items:center;gap:6px;font-family:var(--display);font-size:12px;font-weight:600;
  letter-spacing:.06em;text-transform:uppercase;color:var(--blue);opacity:0;transform:translateX(-4px);
  transition:opacity .16s ease,transform .16s ease}
.lgo svg{width:14px;height:14px}
.lineC:hover .lgo{opacity:1;transform:translateX(0)}
@media(max-width:1100px){.lines{grid-template-columns:repeat(2,1fr)}}
@media(max-width:820px){
  .world-h .wrap{grid-template-columns:auto 1fr;gap:0 16px;padding-block:24px 26px}
  .wcount{grid-column:2;justify-self:start;margin-top:12px}
  .wnum{font-size:34px}
  .world-t h2{font-size:21px}
}
@media(max-width:560px){.lines{grid-template-columns:1fr}}

/* ---------- trang giới thiệu dòng sản phẩm ---------- */
.lhero{background:var(--ink);color:#fff;padding-block:48px 52px}
.lhero .wrap{display:grid;grid-template-columns:1fr 1fr;gap:44px;align-items:center}
.lhero h1{font-size:clamp(28px,4vw,44px);margin-block:12px 14px}
.lhero h1 em{font-style:normal;color:var(--gelb)}
.lhero p{color:#b9bfc7;font-size:16.5px;font-weight:300;max-width:50ch}
.lhero .acts{display:flex;gap:10px;flex-wrap:wrap;margin-top:26px}
.lart{aspect-ratio:4/3;background:radial-gradient(circle at 50% 45%,#2b3039 0,#16181d 72%);border:1px solid var(--line-dark);position:relative;display:flex;align-items:center;justify-content:center;max-width:100%}
.lart .rod{width:20px;height:50%;background:linear-gradient(90deg,#8a9099,#d7dade 38%,#787f88);border-radius:3px;position:absolute;top:10%}
.lart .body{width:56px;height:42%;background:linear-gradient(90deg,#b98a00,var(--gelb) 42%,#a87d00);position:absolute;bottom:11%;border-radius:3px}
.lart .coil{position:absolute;bottom:11%;width:96px;height:52%;border:3px solid #6f757e;border-radius:6px;opacity:.5}

.sum4{display:grid;grid-template-columns:repeat(4,1fr);gap:2px;background:var(--line);border:1px solid var(--line)}
.sum4 div{background:var(--surface);padding:22px 20px}
.sum4-h{font-size:21px;margin-bottom:18px}
.sum4 h3{font-size:15px;margin-bottom:7px}
.sum4 p{font-size:13.5px;color:var(--steel);line-height:1.55}

.hlgrid{display:grid;grid-template-columns:repeat(3,1fr);gap:18px}
.hl{background:var(--surface);border:1px solid var(--line);padding:20px;display:flex;flex-direction:column;gap:8px}
.hl b{font-family:var(--display);font-size:11px;letter-spacing:.12em;text-transform:uppercase;color:var(--gelb-deep)}
.hl h3{font-size:16.5px}
.hl p{font-size:13.5px;color:var(--steel);line-height:1.6}

.orderbox{background:var(--ink-2);color:#cfd4da;display:grid;grid-template-columns:1fr 1fr;gap:0}
.orderbox > div{padding:30px 32px}
.orderbox .ob-l{border-right:1px solid var(--line-dark)}
.orderbox h3{color:#fff;font-size:21px;margin-bottom:10px}
.orderbox p{font-size:14px;font-weight:300;line-height:1.65}
.obacts{display:flex;gap:10px;flex-wrap:wrap;margin-top:22px}
.obform{display:grid;gap:11px;margin-top:18px}
.obform input,.obform select,.obform textarea{
  width:100%;background:#14171c;color:#fff;border:1px solid #3a404a;padding:12px;
  font-family:var(--body);font-size:14.5px;
}
.obform textarea{resize:vertical;min-height:72px}
.obform input::placeholder,.obform textarea::placeholder{color:#6d747d}
.obform input:focus-visible,.obform select:focus-visible,.obform textarea:focus-visible{outline:2px solid var(--gelb);outline-offset:1px}
.obform .btn{justify-content:center}
.obnote{font-size:12.5px;color:#7e858f;margin-top:10px}

.lbadge{display:inline-flex;align-items:center;gap:8px;font-family:var(--mono);font-size:11px;letter-spacing:.09em;text-transform:uppercase;background:var(--gelb);color:#101216;padding:4px 10px}
.lstats{display:flex;gap:0;margin-top:28px;border-top:1px solid var(--line-dark);flex-wrap:wrap}
.lstats div{padding:16px 24px 20px 0;margin-right:24px;border-right:1px solid var(--line-dark)}
.lstats div:last-child{border-right:0;margin-right:0}
.lstats b{display:block;font-family:var(--display);font-size:24px;font-weight:700;color:var(--gelb);line-height:1;font-variant-numeric:tabular-nums}
.lstats span{font-size:12px;color:var(--steel-2)}
/* ---------- giới thiệu ---------- */
.story{display:grid;grid-template-columns:1fr 1fr;gap:48px;align-items:start}
.tl{border-left:2px solid var(--line);padding-left:24px;display:grid;gap:22px}
.tl div{position:relative}
.tl div::before{content:"";position:absolute;left:-30px;top:7px;width:9px;height:9px;background:var(--gelb)}
.tl b{font-family:var(--mono);font-size:12.5px;color:var(--gelb-deep);letter-spacing:.06em;display:block}
.tl h3{font-size:16.5px;margin-block:3px 4px}
.tl p{font-size:14px;color:var(--steel);line-height:1.6}

/* ---------- blog ---------- */
.feat{display:grid;grid-template-columns:1.25fr 1fr;gap:0;border:1px solid var(--line);background:var(--surface);margin-bottom:22px}
.feat-img{background:linear-gradient(135deg,#23262e,#16181d);display:flex;align-items:flex-end;padding:22px;min-height:260px}
.feat-img span{font-family:var(--mono);font-size:11px;letter-spacing:.09em;background:var(--gelb);color:#101216;padding:4px 9px}
.feat-b{padding:30px 32px;display:flex;flex-direction:column;gap:11px;justify-content:center}
.feat-b time{font-family:var(--mono);font-size:11.5px;color:var(--steel-2);letter-spacing:.06em}
.feat-b h2{font-size:clamp(20px,2.4vw,27px)}
.feat-b p{font-size:14.5px;color:var(--steel)}
.blogcats{display:flex;gap:6px;flex-wrap:wrap;margin-bottom:20px}
.post .cat{font-family:var(--mono);font-size:10.5px;letter-spacing:.08em;text-transform:uppercase;color:var(--gelb-deep)}

/* ---------- bài viết ---------- */
.art{display:grid;grid-template-columns:minmax(0,1fr) 230px;gap:0 44px;align-items:start;padding-block:34px 20px}
.art > .arthead{grid-column:1;grid-row:1}
.art > .artmeta{grid-column:1;grid-row:2}
.art > .toc{grid-column:2;grid-row:1/4}
.art > article{grid-column:1;grid-row:3;min-width:0}
.toc{position:sticky;top:calc(var(--headh,66px) + 18px);
  background:var(--surface);border:1px solid var(--line);padding:18px 16px 14px}
.toc .toc-h{display:flex;align-items:center;gap:9px;font-family:var(--display);font-size:11px;
  font-weight:600;letter-spacing:.15em;text-transform:uppercase;color:var(--steel);margin-bottom:14px}
.toc .toc-h::before{content:"";width:3px;height:13px;background:var(--gelb);flex:none}
.toc ul{list-style:none;margin:0;padding:0;border-left:2px solid var(--line)}
.toc li{margin:0;font-size:13.5px;line-height:1.45}
.toc a{display:block;text-decoration:none;color:var(--steel);padding:7px 0 7px 13px;
  margin-left:-2px;border-left:2px solid transparent;
  transition:color .16s ease,border-color .16s ease,background .16s ease}
.toc a:hover{color:var(--ink);background:#eef2f6}
.toc a.on{color:var(--ink);font-weight:600;border-left-color:var(--gelb)}
.toc-done{margin-top:12px;height:2px;background:var(--line);overflow:hidden}
.toc-done i{display:block;height:100%;width:0;background:var(--gelb);transition:width .12s linear}
.arthead h1{font-size:clamp(26px,3.4vw,38px);margin-bottom:14px}
.artmeta{display:flex;gap:18px;flex-wrap:wrap;font-family:var(--mono);font-size:12px;color:var(--steel-2);letter-spacing:.04em;padding-bottom:20px;border-bottom:1px solid var(--line);margin-bottom:26px}
.artfig{background:linear-gradient(135deg,#23262e,#16181d);aspect-ratio:16/9;margin-block:26px;display:flex;align-items:flex-end;padding:18px;max-width:100%}
.artfig span{font-family:var(--mono);font-size:11px;color:#9aa1aa}
.pull{border-left:4px solid var(--gelb);background:#f4f9fd;padding:18px 22px;margin-block:26px;font-size:17px;line-height:1.6;color:var(--ink)}
.artcta{background:var(--ink-2);color:#cfd4da;padding:24px 26px;margin-block:30px;display:flex;flex-wrap:wrap;align-items:center;gap:10px}
.artcta h3{color:var(--gelb);font-size:18px;flex:0 0 100%;margin-bottom:8px}
.artcta p{font-size:14px;font-weight:300;flex:0 0 100%;margin-bottom:6px}
.artcta .btn{margin-right:0}

/* ---------- chính sách ---------- */
.pol{display:grid;grid-template-columns:240px 1fr;gap:44px;align-items:start;padding-block:32px 20px}
.polnav{position:sticky;top:52px;border:1px solid var(--line);background:var(--surface)}
.polnav .polnav-h{background:var(--ink);color:#fff;font-family:var(--display);font-size:11px;letter-spacing:.13em;text-transform:uppercase;padding:12px 15px;margin:0}
.polnav li{border-bottom:1px solid var(--line)}
.polnav li:last-child{border-bottom:0}
.polnav a{display:block;padding:12px 15px;font-size:14px;text-decoration:none;color:var(--steel)}
.polnav a:hover{background:#f4f9fd;color:var(--ink)}
.polnav a.on{color:var(--ink);font-weight:600;border-left:3px solid var(--gelb);padding-left:12px}
.polbody h2{font-size:22px;margin-block:34px 12px;padding-bottom:8px;border-bottom:1px solid var(--line)}
.polbody h2:first-child{margin-top:0}
.polupd{font-family:var(--mono);font-size:12px;color:var(--steel-2);margin-bottom:8px;letter-spacing:.04em}

/* ---------- banner trang chủ ---------- */
.banner{color:#fff;position:relative;overflow:hidden;background:var(--ink) url(../img/banner.jpg) center/cover no-repeat}
.banner::before{content:"";position:absolute;inset:0;z-index:0;background:linear-gradient(95deg,rgba(18,25,31,.92) 0%,rgba(18,25,31,.80) 42%,rgba(18,25,31,.30) 72%,rgba(18,25,31,0) 100%)}
.banner-art{position:absolute;right:max(2%,calc(50% - 430px));top:50%;transform:translateY(-50%);height:118%;width:auto;z-index:1;mix-blend-mode:screen;pointer-events:none;user-select:none;-webkit-mask-image:linear-gradient(180deg,#000 0 74%,rgba(0,0,0,.30) 92%,transparent 100%);mask-image:linear-gradient(180deg,#000 0 74%,rgba(0,0,0,.30) 92%,transparent 100%)}
.banner .wrap{display:grid;gap:0;align-content:center;min-height:530px;padding-block:54px 50px;position:relative;z-index:2}
.banner .wrap > div{max-width:640px}
.banner h1{font-size:clamp(29px,4.2vw,48px);letter-spacing:-.012em;margin-block:14px 16px}
.banner h1 em{font-style:normal;color:var(--gelb)}
.banner .lead{color:#b9bfc7;font-size:17px;font-weight:300;max-width:50ch}
.banner .acts{display:flex;gap:10px;flex-wrap:wrap;margin-top:28px}
.kv{display:flex;flex-direction:column;align-items:center;gap:12px}
.kv svg{width:100%;max-width:270px;height:auto}
.imgnote{font-family:var(--mono);font-size:10.5px;color:#6d747d;letter-spacing:.05em;text-align:center}

/* thanh tra cứu ngang */
.fbar{background:var(--ink-2);border-top:3px solid var(--gelb)}
.fbar .wrap{padding-block:26px 28px}
.fbar-row{display:flex;gap:14px;align-items:flex-end;flex-wrap:wrap}
.fbar .fbar-lab{
  font-family:var(--display);font-weight:700;font-size:clamp(19px,2.3vw,25px);
  color:#fff;margin:0 0 20px;letter-spacing:-.005em;
  display:flex;align-items:center;gap:12px;
}
.fbar .fbar-lab::before{content:"";width:4px;height:22px;background:var(--gelb);flex:none}
.fbar .field{flex:1;min-width:172px}
.fbar .btn{flex:none}
/* hộp chọn và nút cùng chiều cao */
.fbar .field select,.fbar .btn{height:47px;padding-top:0;padding-bottom:0}
@media(max-width:620px){.fbar .btn{width:100%;justify-content:center}}
.fbar-out:empty{display:none}
.fbar-out{width:100%;font-size:13.5px;margin-top:18px;color:#b9bfc7;border-top:1px solid #3a4049;padding-top:14px;margin-top:2px}
.fbar-out ol{display:grid;gap:8px;grid-template-columns:repeat(auto-fit,minmax(230px,1fr));margin:0;padding:0;list-style:none}
.fbar-out li{display:flex;justify-content:space-between;gap:14px;background:#14171c;padding:10px 13px;border-left:2px solid var(--gelb)}
.fbar-out .nm{color:#fff;font-weight:500;font-size:14px}
.fbar-out .pr{font-family:var(--mono);color:var(--gelb);font-size:13px;white-space:nowrap}

/* ---------- khối giới thiệu phuộc ---------- */
.introb{display:grid;grid-template-columns:.8fr 1.2fr;gap:46px;align-items:center}
.cut{background:var(--surface);border:1px solid var(--line);padding:22px 18px;display:flex;justify-content:center}
.cut svg{width:100%;max-width:300px;height:auto}
.introb .prose p{margin-bottom:14px}
.marks{display:grid;grid-template-columns:repeat(3,1fr);gap:2px;background:var(--line);border:1px solid var(--line);margin-top:24px}
.marks div{background:var(--surface);padding:16px 18px}
.marks b{display:block;font-family:var(--display);font-size:14px;letter-spacing:.02em;margin-bottom:4px}
.marks span{font-size:13px;color:var(--steel);line-height:1.5}

/* ---------- thẻ dòng sản phẩm ---------- */
.linecards{display:grid;grid-template-columns:repeat(4,1fr);gap:16px}
.lcard{background:var(--surface);border:1px solid var(--line);border-top:3px solid var(--gelb);padding:22px 20px;display:flex;flex-direction:column;gap:9px;text-decoration:none}
.lcard:hover{border-color:var(--ink);border-top-color:var(--gelb)}
.lcard .mark{font-family:var(--display);font-size:33px;font-weight:700;line-height:1;letter-spacing:-.01em}
.lcard h3{font-family:var(--body);font-size:14.5px;font-weight:600}
.lcard p{font-size:13.5px;color:var(--steel);flex:1;line-height:1.55}
.lcard .go{font-family:var(--display);font-size:12px;letter-spacing:.06em;text-transform:uppercase;border-bottom:2px solid var(--gelb);align-self:flex-start;padding-bottom:2px}
.lcard.all{background:var(--ink);border-color:var(--ink);color:#fff}
.lcard.all .mark{color:var(--gelb);font-size:26px}
.lcard.all p{color:#a8aeb7}
.lcard.all .go{color:#fff}

/* ---------- ảnh lấy từ bilstein.com ---------- */
.img-hero{background-image:url(../img/hero.jpg);background-size:cover;background-position:center}
.img-bench{background-image:url(../img/bench.jpg);background-size:cover;background-position:center}
.img-strut{background-image:url(../img/strut.jpg);background-size:cover;background-position:center}
.img-coil{background-image:url(../img/coil.jpg);background-size:cover;background-position:center}
.img-off{background-image:url(../img/off.jpg);background-size:cover;background-position:center}
.img-lab{background-image:url(../img/lab.jpg);background-size:cover;background-position:center}
.img-pack{background-image:url(../img/pack.jpg);background-size:cover;background-position:center}
.bilogo{display:block;width:150px;height:43px}
.foot .bilogo{width:132px;height:38px}
.photo{max-width:100%;background-color:#0d1a26;background-size:cover;background-position:center}
.card-img{background-color:#0d1a26}
.card-img.img-strut{background-size:cover}

/* ---------- form đăng ký tư vấn ---------- */
.modal{border:0;padding:0;max-width:520px;width:calc(100% - 32px);background:var(--surface);color:var(--ink)}
.modal::backdrop{background:rgba(24,33,40,.74)}
.modal-h{background:var(--gelb);color:var(--ink);padding:20px 24px;display:flex;justify-content:space-between;align-items:flex-start;gap:16px}
.modal-h h3{font-size:20px;display:flex;align-items:center;gap:9px}
.modal-h h3 .ic16{width:18px;height:18px}
.modal-h p{font-size:13.5px;color:#4a3d02;margin-top:5px;font-weight:400;line-height:1.5}
.modal-x{background:none;border:0;color:var(--ink);font-size:26px;line-height:.7;cursor:pointer;padding:0;flex:none;opacity:.7}
.modal-x:hover{opacity:1}
.modal-b{padding:24px}
.frm{display:grid;gap:13px}
.frm label{font-family:var(--mono);font-size:10.5px;letter-spacing:.09em;text-transform:uppercase;color:var(--steel);margin-bottom:5px;display:block}
.frm input,.frm select,.frm textarea{width:100%;border:1px solid var(--line);padding:12px;font-family:var(--body);font-size:15px;background:var(--surface);color:var(--ink)}
.frm textarea{min-height:74px;resize:vertical}
.frm input:focus-visible,.frm select:focus-visible,.frm textarea:focus-visible{outline:2px solid var(--blue);outline-offset:1px}
.frm .btn{justify-content:center;padding-block:14px;padding-inline:34px;width:auto;justify-self:center;border:0}
@media(max-width:520px){.frm .btn{width:100%;justify-self:stretch}}
.frm .note{font-size:12.5px;color:var(--steel);line-height:1.55}
.done{text-align:center;padding:34px 16px}
.done .tick{width:54px;height:54px;border-radius:50%;background:var(--blue);color:#fff;display:flex;align-items:center;justify-content:center;font-size:27px;margin:0 auto 16px}
.done h3{font-size:20px;margin-bottom:8px}
.done p{font-size:14.5px;color:var(--steel);max-width:36ch;margin:0 auto 20px}

.modal{max-width:560px}
.who{display:grid;gap:12px}
.whoC{display:flex;gap:15px;align-items:flex-start;border:1px solid var(--line);padding:17px 18px;cursor:pointer;background:var(--surface);text-align:left;width:100%;font-family:var(--body)}
.whoC:hover{border-color:var(--blue);background:#f4f9fd}
.whoC:focus-visible{outline:2px solid var(--blue);outline-offset:2px}
.whoC .ic{width:40px;height:40px;flex:none;background:var(--ink);color:var(--gelb);display:flex;align-items:center;justify-content:center;font-family:var(--display);font-weight:700;font-size:16px}
.whoC b{display:block;font-family:var(--display);font-size:16.5px;margin-bottom:4px;color:var(--ink)}
.whoC span{font-size:13.5px;color:var(--steel);line-height:1.5;display:block}
.back{background:none;border:0;padding:0;cursor:pointer;font-family:var(--mono);font-size:11.5px;letter-spacing:.05em;color:var(--steel);text-decoration:underline;margin-bottom:15px}
.back:hover{color:var(--ink)}
.hint{background:#f4f9fd;border-left:3px solid var(--blue);padding:12px 14px;font-size:13px;color:var(--steel);line-height:1.55}
.row2{display:grid;grid-template-columns:1fr 1fr;gap:13px}
@media(max-width:540px){.row2{grid-template-columns:1fr}}

.figs{display:grid;grid-template-columns:repeat(4,1fr);border-top:1px solid var(--line);border-bottom:1px solid var(--line);margin-bottom:26px}
.figs div{padding:20px 24px 20px 0;border-right:1px solid var(--line)}
.figs div:last-child{border-right:0;padding-right:0}
.figs b{display:block;font-family:var(--display);font-size:clamp(24px,3vw,31px);line-height:1;letter-spacing:-.012em;font-variant-numeric:tabular-nums}
.figs span{display:block;font-size:13px;color:var(--steel);margin-top:7px;line-height:1.45}
@media(max-width:700px){.figs{grid-template-columns:repeat(2,1fr)}.figs div:nth-child(2n){border-right:0;padding-right:0}}

.ic16{width:16px;height:16px;flex:none;display:block}
.phone-ic{display:inline-flex;align-items:center;gap:13px;text-decoration:none}
.phone-ic .ic-wrap{
  width:43px;height:43px;border-radius:50%;flex:none;
  background:rgba(255,220,0,.10);border:1px solid rgba(255,220,0,.30);
  display:flex;align-items:center;justify-content:center;
  transition:background .18s ease,border-color .18s ease;
}
.phone-ic .ic16{width:19px;height:19px;color:var(--gelb)}
.phone-ic .txt{display:block;line-height:1}
.phone-ic .num{
  display:block;font-family:var(--display);font-weight:700;font-size:19.5px;
  letter-spacing:.005em;color:#fff;transition:color .18s ease;
}
.phone-ic small{
  display:block;margin-top:6px;font-family:var(--mono);font-weight:400;
  font-size:10px;letter-spacing:.2em;text-transform:uppercase;color:var(--steel-2);
}
.phone-ic:hover .ic-wrap{background:rgba(255,220,0,.2);border-color:rgba(255,220,0,.55)}
.phone-ic:hover .num{color:var(--gelb)}
/* ---------- dải con số dưới banner ---------- */
.proof{background:var(--ink-2);border-top:1px solid #323e48}
.proof .wrap{display:grid;grid-template-columns:repeat(4,1fr);padding-block:32px 34px}
.proof .wrap > div{padding-inline:30px;border-left:1px solid #323e48}
.proof .wrap > div:first-child{padding-left:0;border-left:0}
.proof b{display:block;font-family:var(--display);font-weight:700;font-size:clamp(28px,3.6vw,40px);line-height:1;letter-spacing:-.018em;color:var(--gelb);font-variant-numeric:tabular-nums}
.proof span{display:block;margin-top:11px;font-size:13px;line-height:1.45;color:#9aa1aa;max-width:22ch}
@media(max-width:820px){
  .proof .wrap{grid-template-columns:repeat(2,1fr);gap:26px 0;padding-block:28px}
  .proof .wrap > div:nth-child(2n+1){padding-left:0;border-left:0}
}
@media(max-width:440px){
  .proof .wrap{grid-template-columns:1fr;gap:22px}
  .proof .wrap > div{padding-left:0;border-left:0}
}

/* ---------- khối công nghệ ---------- */
.techsec{background:var(--ink);color:#fff;position:relative;overflow:hidden;border-top:1px solid #323e48}
.techsec::before{
  content:"";position:absolute;top:0;right:0;width:280px;height:100%;
  background:repeating-linear-gradient(115deg,transparent 0 28px,rgba(255,220,0,.05) 28px 31px);
  pointer-events:none;
}
.techsec .wrap{padding-block:58px 62px;position:relative;z-index:1}
.techsec .eyebrow{color:var(--gelb)}
.techsec .eyebrow::before{background:var(--gelb)}
.tech-h{max-width:62ch;margin-bottom:30px}
.tech-h h2{font-size:clamp(23px,3vw,33px);margin-block:12px 14px;letter-spacing:-.008em}
.tech-h p{color:#b9bfc7;font-size:16px;font-weight:300}

.techband{
  width:100%;aspect-ratio:1000/300;max-width:100%;
  border:1px solid #323e48;border-bottom:0;position:relative;
}
.techband::after{
  content:"";position:absolute;inset:0;
  background:linear-gradient(90deg,rgba(24,33,40,.55) 0,rgba(24,33,40,.05) 45%,rgba(24,33,40,.35) 100%);
}
.techband span{
  position:absolute;left:22px;bottom:18px;z-index:1;
  font-family:var(--mono);font-size:11px;letter-spacing:.14em;text-transform:uppercase;
  color:#fff;background:rgba(24,33,40,.72);padding:6px 11px;border-left:2px solid var(--gelb);
}
.techgrid{display:grid;grid-template-columns:repeat(3,1fr);gap:1px;background:#323e48;border:1px solid #323e48}
.techcell{background:var(--ink);padding:26px 24px 28px;display:flex;flex-direction:column;gap:13px;transition:background .18s ease}
.techcell:hover{background:#1e2830}
.techcell .ico{width:34px;height:34px;color:var(--gelb);flex:none}
.techcell h3{font-size:17px;color:#fff;letter-spacing:-.003em}
.techcell p{font-size:14px;line-height:1.6;color:#a8aeb7;font-weight:300}
@media(max-width:900px){.techgrid{grid-template-columns:repeat(2,1fr)}}
@media(max-width:560px){.techgrid{grid-template-columns:1fr}.techband{aspect-ratio:1000/420}}

.card-acts{display:grid;grid-template-columns:1fr 1fr;gap:8px;margin-top:16px}
.card-acts .btn{justify-content:center;padding:11px 6px;font-size:12px;letter-spacing:.04em}
.card .btn-ghost{color:var(--ink);border-color:var(--line-strong)}
.card .btn-ghost:hover{border-color:var(--ink);color:var(--ink)}
.card h3 a{text-decoration:none;color:inherit}
.card h3 a:hover{color:var(--blue)}
.card .price{margin-top:auto}

/* ---------- khối giới thiệu Bilstein trên trang chủ ---------- */
.aboutb{display:grid;grid-template-columns:1fr 1.15fr;border:1px solid var(--line);background:var(--surface)}
.aboutb .pic{min-height:330px;background-size:cover;background-position:center;background-color:#0d1a26}
.aboutb .txt{padding:40px 42px;display:flex;flex-direction:column;justify-content:center;gap:15px}
.aboutb h2{font-size:clamp(21px,2.7vw,30px);letter-spacing:-.008em}
.aboutb p{color:var(--steel);font-size:15px;line-height:1.7}
.aboutb .btn{align-self:flex-start;margin-top:10px}
.abfacts{display:flex;gap:26px;flex-wrap:wrap;margin-top:6px;padding-top:16px;border-top:1px solid var(--line)}
.abfacts div b{display:block;font-family:var(--display);font-size:19px;line-height:1;color:var(--ink);font-variant-numeric:tabular-nums}
.abfacts div span{font-size:12.5px;color:var(--steel)}
@media(max-width:820px){
  .aboutb{grid-template-columns:1fr}
  .aboutb .pic{min-height:0;aspect-ratio:16/9}
  .aboutb .txt{padding:30px 24px}
}

.band-cf .wrap{display:grid;grid-template-columns:minmax(0,1fr) minmax(0,1.06fr);gap:26px 46px;align-items:center;padding-block:38px 40px}
.band-l{min-width:0}
.band-h{max-width:none;margin:0 0 18px}

.bandform{display:grid;grid-template-columns:1fr 1fr;gap:12px 14px;align-items:start}
.bandform label{display:block;min-width:0}
.rq{font-style:normal;color:#c0392b;margin-left:3px}
.bandform label > span{display:block;font-family:var(--mono);font-size:10.5px;letter-spacing:.09em;
  text-transform:uppercase;color:#6a5800;margin-bottom:5px}
.bandform input,.bandform select,.bandform textarea{
  width:100%;min-width:0;border:1px solid rgba(24,33,40,.22);background:#fff;color:var(--ink);
  padding:12px 13px;font-family:var(--body);font-size:14.5px}
.bandform textarea{min-height:76px;resize:vertical}
.bandform select{appearance:none;cursor:pointer;padding-right:32px;
  background-image:linear-gradient(45deg,transparent 50%,var(--ink) 50%),linear-gradient(135deg,var(--ink) 50%,transparent 50%);
  background-position:calc(100% - 17px) 54%,calc(100% - 12px) 54%;background-size:6px 6px;background-repeat:no-repeat}
.bandform input::placeholder,.bandform textarea::placeholder{color:#8a8470}
.bandform input:focus-visible,.bandform select:focus-visible,.bandform textarea:focus-visible{
  outline:2px solid var(--ink);outline-offset:1px}
.bf-full,.bf-hint,.bf-note,.bandform .btn{grid-column:1/-1}
/* --- ô xác minh chống spam (demo; web thật sẽ là Cloudflare Turnstile) --- */
.bandform .cap,.frm .cap{grid-column:1/-1}
.cap{display:flex;align-items:center;justify-content:space-between;gap:12px;
  background:#fff;border:1px solid rgba(24,33,40,.22);padding:11px 13px;min-height:54px}
.cap .cap-box{display:flex;align-items:center;gap:11px;cursor:pointer;margin:0;min-width:0}
.cap .cap-box > span{display:inline;font-family:var(--body);font-size:14.5px;font-weight:400;
  letter-spacing:0;text-transform:none;color:var(--ink);margin:0}
.cap input.cap-ck{width:19px;height:19px;min-width:0;flex:none;margin:0;padding:0;border:0;
  background:none;accent-color:var(--blue);cursor:pointer}
.cap .cap-note{flex:none;font-family:var(--mono);font-size:9.5px;letter-spacing:.08em;
  text-transform:uppercase;color:#8d949c;text-align:right;line-height:1.35}
@media(max-width:400px){.cap .cap-note{display:none}}
/* --- khung bản đồ giả lập --- */
.mapbox{position:relative;aspect-ratio:4/3;background:#e9edf1;border:1px solid var(--line);
  background-image:linear-gradient(rgba(24,33,40,.08) 1px,transparent 1px),
                   linear-gradient(90deg,rgba(24,33,40,.08) 1px,transparent 1px);
  background-size:40px 40px;display:flex;align-items:center;justify-content:center}
.mapbox iframe{position:absolute;inset:0;width:100%;height:100%;border:0;display:block}
.mapbox .pin{width:26px;height:26px;border-radius:50% 50% 50% 0;transform:rotate(-45deg);
  background:var(--gelb);border:2px solid var(--ink);margin-bottom:26px}
.mapbox .lbl{position:absolute;left:0;right:0;bottom:0;background:rgba(24,33,40,.88);color:#cfd4da;
  font-size:12.5px;line-height:1.5;padding:11px 14px}
/* --- trang hệ thống đại lý --- */
.netbar{display:flex;align-items:flex-end;justify-content:space-between;gap:16px;flex-wrap:wrap;margin-bottom:22px}
.netsel{display:block;min-width:0}
.netsel > span{display:block;font-family:var(--mono);font-size:10.5px;letter-spacing:.09em;
  text-transform:uppercase;color:var(--steel);margin-bottom:6px}
.netsel select{min-width:260px;max-width:100%;height:46px;border:1px solid #c8ccd5;background:var(--surface);
  color:var(--ink);font-family:var(--body);font-size:15px;padding:0 34px 0 13px;appearance:none;cursor:pointer;
  background-image:linear-gradient(45deg,transparent 50%,var(--ink) 50%),linear-gradient(135deg,var(--ink) 50%,transparent 50%);
  background-position:calc(100% - 17px) 20px,calc(100% - 12px) 20px;background-size:5px 5px;background-repeat:no-repeat}
.netcount{font-family:var(--mono);font-size:12px;letter-spacing:.06em;color:var(--steel);padding-bottom:13px}
.locator{display:grid;grid-template-columns:minmax(0,1.1fr) minmax(0,1fr);gap:26px;align-items:start}
.locator .branches{grid-template-columns:1fr;gap:12px}
.branch[role="button"]{cursor:pointer;transition:border-color .12s ease,box-shadow .12s ease}
.branch[role="button"]:hover{border-color:#aeb5bf}
.branch[aria-pressed="true"]{border-color:var(--ink);box-shadow:inset 3px 0 0 var(--gelb)}
.branch:focus-visible{outline:2px solid var(--gelb-deep);outline-offset:2px}
.branch .bmeta{font-size:13px;color:var(--steel)}
.bacts{display:flex;gap:16px;flex-wrap:wrap;margin-top:9px;padding-top:10px;border-top:1px solid var(--line)}
.blink{display:inline-flex;align-items:center;gap:6px;font-family:var(--display);font-size:12.5px;
  font-weight:600;letter-spacing:.02em;color:var(--blue)}
.blink:hover{text-decoration:underline}
.blink .ic16{width:13px;height:13px}
.netmap{position:sticky;top:calc(var(--headh,66px) + 16px);align-self:start;
  border:1px solid var(--line);background:var(--surface)}
.netmap .mapbox{border:0;border-bottom:1px solid var(--line);aspect-ratio:4/3}
.netmap-b{padding:18px}
.netmap-b .k{font-family:var(--mono);font-size:11px;color:var(--gelb-deep);letter-spacing:.1em;display:block;margin-bottom:5px}
.netmap-b b{font-family:var(--display);font-size:18px;letter-spacing:.02em;display:block;margin-bottom:6px}
.netmap-b p{font-size:14px;color:var(--steel);line-height:1.6}
.netmap-b .acts{display:flex;gap:9px;flex-wrap:wrap;margin-top:15px}
.netmap-b .acts .btn{font-size:12.5px;padding:11px 15px}
.bmap{display:none}
@media(max-width:980px){
  .locator{grid-template-columns:1fr;gap:22px}
  .netmap{position:static;margin:2px 0 6px}
  .netmap .mapbox{aspect-ratio:16/9}
  .bmap{display:inline-flex}
}
/* --- trang liên hệ --- */
.chero{background:var(--ink);color:#fff}
.chero .wrap{align-items:start;padding-block:42px 48px;gap:30px 46px}
.chero .eyebrow{color:var(--steel-2)}
.chero .band-h{color:#fff;font-size:clamp(26px,3.4vw,38px);margin:10px 0 12px}
.chero .chero-lead{color:#b9bfc7;font-size:16px;font-weight:300;line-height:1.65;max-width:48ch;margin:0 0 20px}
.chero .bandpick button{background:rgba(255,255,255,.05);border-color:#39434c;color:#fff}
.chero .bandpick .tx > span{color:#a8aeb7}
.chero .bandpick button:hover{background:rgba(255,255,255,.1);border-color:#6d7681}
.chero .bandpick button[aria-pressed="true"]{background:var(--gelb);border-color:var(--gelb);color:var(--ink)}
.chero .bandpick button[aria-pressed="true"] .tx > span{color:#4a3d02}
.chero .bandpick button[aria-pressed="true"] b{color:var(--ink)}
.chero .bandpick button[aria-pressed="true"] .ic{background:var(--ink);color:var(--gelb)}
.chero .bandpick .ic{background:var(--gelb);color:var(--ink)}
.chero .band-det .bf-note{color:#8d949c}
.chero-art{aspect-ratio:16/9;margin-top:22px;border:1px solid var(--line-dark);
  background-size:cover;background-position:center}
.chero .bandforms{align-self:start;background:var(--surface);border:1px solid var(--line);padding:24px}
.chero .bandform label > span{color:var(--steel)}
.chero .bandform input,.chero .bandform select,.chero .bandform textarea{border-color:#c8ccd5}
.chero .bandform input::placeholder,.chero .bandform textarea::placeholder{color:#9aa1ab}
.chero .bandform select{background-image:linear-gradient(45deg,transparent 50%,var(--ink) 50%),
  linear-gradient(135deg,var(--ink) 50%,transparent 50%)}
.chero .bf-hint{color:var(--steel);border-left-color:var(--gelb-deep)}
.chero .bandform input:focus-visible,.chero .bandform select:focus-visible,
.chero .bandform textarea:focus-visible{outline-color:var(--blue)}
.cinfo-g{display:grid;grid-template-columns:minmax(0,1fr) minmax(0,1.04fr);gap:26px 50px;align-items:stretch}
.cinfo-l{display:grid;gap:26px;align-content:start}
.cinfo-l > div + div{border-top:1px solid var(--line);padding-top:26px}
.cinfo-g .mapbox{aspect-ratio:auto;min-height:340px}
.cinfo-g h2{font-family:var(--display);font-size:clamp(19px,2.2vw,24px);letter-spacing:.01em;margin-bottom:14px}
.cinfo-lead{font-size:14.5px;color:var(--steel);line-height:1.65;margin-bottom:18px;max-width:52ch}
.cinfo-g dl{display:grid;gap:13px;margin:0}
.cinfo-g dt{font-family:var(--mono);font-size:10.5px;letter-spacing:.09em;text-transform:uppercase;color:var(--gelb-deep);margin-bottom:3px}
.cinfo-g dd{margin:0;font-size:14.5px;color:var(--ink);line-height:1.6}
.cinfo-g dd a{color:var(--blue)}
.cinfo-g dd a:hover{text-decoration:underline}

@media(max-width:900px){
  .cinfo-g{grid-template-columns:1fr;gap:26px}
  .cinfo-g .mapbox{aspect-ratio:4/3;min-height:0}
}
@media(max-width:620px){.chero .bandforms{padding:18px}}
.netempty{grid-column:1/-1;border:1px solid var(--line);background:var(--surface);padding:30px 26px}
.netempty b{display:block;font-family:var(--display);font-size:19px;letter-spacing:.01em;margin-bottom:9px}
.netempty p{font-size:14.5px;color:var(--steel);line-height:1.65;max-width:56ch}
.netempty .acts{display:flex;gap:9px;flex-wrap:wrap;margin-top:18px}
@media(max-width:620px){
  .locator .branches{grid-template-columns:1fr}
  .netsel,.netsel select{width:100%}
  .netcount{padding-bottom:0}
}
.bf-hint{font-size:13.5px;line-height:1.55;color:#4a3d02;border-left:3px solid rgba(24,33,40,.35);padding-left:12px;margin:0 0 2px}
.bf-note{font-size:12.5px;line-height:1.55;color:#5c4d02;margin:2px 0 0}
.bandform .btn{justify-self:center;justify-content:center;text-align:center;max-width:100%;margin-top:4px}
.banddone{grid-column:1/-1;display:flex;align-items:center;gap:12px;font-size:15.5px;color:#3d3100;font-weight:500}
.banddone .tk{width:34px;height:34px;border-radius:50%;background:var(--ink);color:var(--gelb);display:flex;align-items:center;justify-content:center;font-size:17px;flex:none}
@media(max-width:960px){
  .band-cf .wrap{grid-template-columns:1fr;gap:22px;padding-block:32px 34px}
}
@media(max-width:520px){
  .bandform{grid-template-columns:1fr}
}

/* hai bản nội dung chồng cùng một ô lưới -> đổi nhánh không nhảy chiều cao */
.bandforms{display:grid;align-self:center;min-width:0}
.bandforms > form,.bandforms > .bf-wrap{grid-area:1/1;visibility:hidden;opacity:0;transition:opacity .16s ease}
.bandforms > form.on,.bandforms > .bf-wrap.on{visibility:visible;opacity:1}
.band-det{display:grid;margin-top:18px}
.band-det > *{grid-area:1/1;visibility:hidden;opacity:0;transition:opacity .16s ease}
.band-det > .on{visibility:visible;opacity:1}
.band-det .bf-note{grid-area:1/1;margin:0}
.bandpick{display:grid;gap:10px;margin:0;min-width:0}
.bandpick button{display:grid;grid-template-columns:auto 1fr;gap:15px;align-items:center;
  text-align:left;font-family:var(--body);color:var(--ink);cursor:pointer;padding:15px 17px;
  background:rgba(255,255,255,.5);border:1px solid rgba(24,33,40,.2);
  transition:background .16s ease,border-color .16s ease}
.bandpick button:hover{background:rgba(255,255,255,.82);border-color:var(--ink)}
.bandpick button[aria-pressed="true"]{background:var(--ink);border-color:var(--ink)}
.bandpick button:focus-visible{outline:2px solid var(--ink);outline-offset:2px}
.bandpick .ic{width:40px;height:40px;flex:none;background:var(--ink);color:var(--gelb);
  display:grid;place-items:center;font-family:var(--display);font-weight:700;font-size:15px;letter-spacing:.04em}
.bandpick button[aria-pressed="true"] .ic{background:var(--gelb);color:var(--ink)}
.bandpick b{display:block;font-family:var(--display);font-size:16px;line-height:1.25;margin-bottom:4px}
.bandpick .tx > span{display:block;font-size:13.5px;line-height:1.55;color:#4a3d02}
.bandpick button[aria-pressed="true"] b{color:#fff}
.bandpick button[aria-pressed="true"] .tx > span{color:#b9bfc7}
@media(max-width:620px){
  /* điện thoại: rút hai thẻ thành hai nút, bỏ phần mô tả */
  .bandpick{grid-template-columns:1fr 1fr;gap:8px}
  .bandpick button{grid-template-columns:auto 1fr;gap:10px;padding:12px 11px;align-items:center}
  .bandpick .ic{width:32px;height:32px;font-size:13px}
  .bandpick .tx > span{display:none}
  .bandpick b{font-size:13.5px;line-height:1.3;margin:0}
}

.slogan{font-size:clamp(22px,2.9vw,32px);line-height:1.28;letter-spacing:-.01em}
.slogan mark{
  background:linear-gradient(transparent 62%, var(--gelb) 62%);
  color:inherit;padding:0 2px;
}

@media(max-width:960px){
  .catgrid{grid-template-columns:repeat(2,1fr)}
  .fb-lab{width:auto}
  .hero-grid,.lhero .wrap,.orderbox,.story,.feat,.banner .wrap,.introb{grid-template-columns:1fr;gap:28px}
  .linecards{grid-template-columns:repeat(2,1fr)}
  .marks{grid-template-columns:1fr}
  .art,.pol{grid-template-columns:1fr;gap:24px}
  .art{gap:0}
  .art > .arthead,.art > .artmeta,.art > .toc,.art > article{grid-column:1;grid-row:auto}
  .art > .toc{margin-bottom:28px}
  .toc,.polnav{position:static}
  .feat{gap:0}
  .orderbox .ob-l{border-right:0;border-bottom:1px solid var(--line-dark)}
  .sum4,.hlgrid,.lines{grid-template-columns:repeat(2,1fr)}
  .tiers,.cards,.branches,.posts,.fitbranch{grid-template-columns:repeat(2,1fr)}
  .trust .wrap{grid-template-columns:repeat(2,1fr);gap:26px}
  .foot .wrap{grid-template-columns:repeat(2,1fr);gap:30px 36px}
  .foot .wrap > div:first-child{grid-column:1/-1}
  .foot-co{max-width:none}
  .pdp{grid-template-columns:minmax(0,1fr);gap:30px}
  .gal{position:static}
  .gal-main{max-height:none}
  .specs{grid-template-columns:1fr;gap:0}
}
@media(max-width:700px){
  /* thanh lọc trên mobile: nhãn một dòng, ba ô select thẳng hàng full chiều ngang */
  .fb-row{display:grid;grid-template-columns:1fr;gap:9px;padding:14px 14px 16px}
  .fb-lab{width:auto;margin-bottom:1px}
  .fb-sel{min-width:0;width:100%}
  .fb-clear{margin-left:0;justify-self:start;margin-top:3px}
}
@media(max-width:620px){
  .tiers,.cards,.branches,.posts,.fitbranch,.trust .wrap,.foot .wrap,.catgrid,.sum4,.hlgrid,.lines,.linecards{grid-template-columns:1fr}
  .nav{gap:16px;font-size:12.5px}
  .head-cta{margin-left:0}
  .sec{padding-block:44px}
  .hero{padding-block:38px 0}
}

/* hero trang dòng sản phẩm */
.lhero2{background:var(--ink-2);color:#fff;position:relative;overflow:hidden;border-bottom:3px solid var(--gelb)}
.lhero2::before{content:"";position:absolute;inset:0;pointer-events:none;
  background-image:linear-gradient(rgba(255,255,255,.05) 1px,transparent 1px),
                   linear-gradient(90deg,rgba(255,255,255,.05) 1px,transparent 1px);
  background-size:54px 54px;
  -webkit-mask-image:radial-gradient(120% 90% at 78% 40%,#000 0%,transparent 72%);
  mask-image:radial-gradient(120% 90% at 78% 40%,#000 0%,transparent 72%)}
.lhero2 .wrap{position:relative;z-index:1;display:grid;grid-template-columns:1.2fr .95fr;gap:48px;
  align-items:center;padding-block:52px 56px}
.lhero2 h1{font-size:clamp(30px,3.6vw,46px);letter-spacing:-.015em;margin-block:12px 14px;line-height:1.1}
.lhero2 h1 em{font-style:normal;color:var(--gelb)}
.lhero2 .lh-l > p{color:#b9bfc7;font-size:16px;font-weight:300;max-width:52ch;line-height:1.6}
.lhero2-solo .wrap{grid-template-columns:1fr}
.lhero2-solo .lh-l > p{max-width:70ch}
.lh-cards{display:grid;gap:10px;align-content:center}
.lhc{display:grid;grid-template-columns:70px 1fr auto;align-items:center;gap:16px;
  background:var(--ink);border:1px solid #333f49;padding:0 18px 0 0;text-decoration:none;
  transition:border-color .16s ease,transform .16s ease,background .16s ease}
.lhc:hover{border-color:var(--gelb);transform:translateY(2px);background:#1e2831}
.lhc-pic{height:82px;background:#fff center/auto 74% no-repeat;border-right:1px solid #333f49}
.lhc-b b{display:block;font-family:var(--display);font-size:16px;font-weight:700;color:#fff;
  letter-spacing:-.005em;line-height:1.25}
.lhc-b > span{display:block;margin-top:3px;font-family:var(--mono);font-size:11px;letter-spacing:.06em;color:var(--gelb)}
.lhc svg{width:17px;height:17px;color:#6f7982;transition:color .16s ease,transform .16s ease}
.lhc:hover svg{color:var(--gelb);transform:translateY(3px)}
@media(max-width:900px){
  .lhero2 .wrap{grid-template-columns:1fr;gap:30px;padding-block:36px 40px}
  .lhc-pic{height:72px}
}

/* ---------- trang chi tiết dòng sản phẩm ---------- */
.lh-prod .wrap{grid-template-columns:1.05fr .95fr;align-items:center}
.lh-tag{font-family:var(--display);font-size:16.5px;font-weight:600;color:var(--gelb);
  margin-block:-4px 12px;letter-spacing:-.005em}
.lh-acts{display:flex;gap:10px;flex-wrap:wrap;margin-top:24px}
.lh-shot{display:block}
.lh-shot-img{display:block;width:100%;height:330px;background:#0d1a26 center/cover no-repeat;
  border:1px solid #333f49}

.sub-h{font-family:var(--display);font-size:20px;color:var(--ink);margin:0 0 14px}
.chk{list-style:none;display:grid;gap:12px;margin:0;max-width:78ch}
.chk li{position:relative;padding-left:30px;font-size:14.5px;color:var(--steel);line-height:1.6}
.chk li::before{content:"";position:absolute;left:2px;top:6px;width:14px;height:9px;
  border-left:2.5px solid var(--blue);border-bottom:2.5px solid var(--blue);transform:rotate(-45deg)}
.chk b{color:var(--ink);font-weight:600}
.morewrap{display:flex;justify-content:center;margin-top:26px}
[hidden]{display:none!important}
.btn-ghost-d{background:transparent;color:var(--ink);border:1px solid var(--line);
  font-family:var(--display);font-weight:600;font-size:13.5px;letter-spacing:.05em;text-transform:uppercase;
  padding:13px 26px;cursor:pointer;transition:border-color .15s ease,background .15s ease}
.btn-ghost-d:hover{border-color:var(--ink);background:var(--surface)}
.sohl{display:grid;grid-template-columns:repeat(3,1fr);gap:18px}
.sohl > div{background:var(--ink-2);border:1px solid #333f49;display:flex;flex-direction:column}
.sohl-pic{display:block;aspect-ratio:16/10;background-color:#0d1a26;background-size:cover;background-position:center}
.sohl b{font-family:var(--display);font-size:16.5px;color:#fff;line-height:1.3;padding:18px 18px 0}
.sohl p{font-size:13.5px;color:var(--steel-2);line-height:1.6;padding:8px 18px 20px;margin:0}
.sohl-txt{border-top:3px solid var(--gelb)}
.sohl-txt b{padding-top:20px}

@media(max-width:1000px){.sohl{grid-template-columns:repeat(2,1fr)}}
@media(max-width:620px){.sohl{grid-template-columns:1fr}}
.apps{display:grid;grid-template-columns:repeat(2,1fr);gap:0 40px;border:0;background:none}
.apps > div{background:none;padding:22px 0;display:grid;grid-template-columns:auto 1fr;gap:18px;
  align-items:center;border-bottom:1px solid var(--line)}
.apps > div:nth-last-child(-n+2){border-bottom:0}
.apps-ic{width:46px;height:46px;border:1px solid var(--line);display:grid;place-items:center;flex:none;
  background:var(--surface);transition:border-color .16s ease,background .16s ease}
.apps > div:hover .apps-ic{border-color:var(--gelb-deep);background:#fffbe6}
.apps-ic svg{width:26px;height:26px;fill:none;stroke:var(--ink);stroke-width:1.5;
  stroke-linecap:round;stroke-linejoin:round}
.apps b{display:block;font-family:var(--display);font-size:16px;color:var(--ink);line-height:1.3;margin-bottom:6px}
.apps b + span{display:block;font-size:13.5px;color:var(--steel);line-height:1.6}
@media(max-width:820px){
  .apps{grid-template-columns:1fr;gap:0}
  .apps > div:nth-last-child(-n+2){border-bottom:1px solid var(--line)}
  .apps > div:last-child{border-bottom:0}
}
.lh-shot-white{background-color:#fff!important;background-size:auto 88%!important}
.lbadge2{display:inline-block;margin-top:22px;font-family:var(--mono);font-size:11.5px;letter-spacing:.06em;
  color:var(--gelb);border:1px solid #4a5560;padding:8px 12px}
.glance{display:grid;grid-template-columns:repeat(4,1fr);gap:1px;background:var(--line);
  border:1px solid var(--line)}
.glance > div{background:var(--surface);padding:20px 18px 18px}
.glance b{display:block;font-family:var(--display);font-size:15.5px;color:var(--ink);margin-bottom:6px}
.glance span{display:block;font-size:13.5px;color:var(--steel);line-height:1.5}
.glance .glance-oe{grid-column:1/-1;background:var(--ink)}
.glance .glance-oe b{color:var(--gelb)}
.glance .glance-oe span{color:var(--steel-2)}

.usecases{display:flex;flex-wrap:wrap;gap:8px;margin-top:22px}
.usecases span{font-family:var(--display);font-size:13px;font-weight:600;letter-spacing:.02em;
  color:var(--ink);background:var(--surface);border:1px solid var(--line);padding:9px 14px}

.benef{list-style:none;counter-reset:bn;display:grid;grid-template-columns:repeat(2,1fr);gap:1px;
  background:var(--line);border:1px solid var(--line);margin:0}
.benef li{counter-increment:bn;background:var(--surface);padding:22px 22px 20px;
  display:grid;grid-template-columns:auto 1fr;gap:4px 16px;align-items:start}
.benef li::before{content:counter(bn,decimal-leading-zero);grid-row:1/3;
  font-family:var(--display);font-weight:700;font-size:22px;color:var(--gelb-deep);line-height:1;
  font-variant-numeric:tabular-nums}
.benef b{font-family:var(--display);font-size:16.5px;color:var(--ink)}
.benef span{font-size:13.5px;color:var(--steel);line-height:1.55}
.benef li:last-child:nth-child(odd){grid-column:1/-1}

@media(max-width:900px){
  .lh-prod .wrap{grid-template-columns:1fr}
  .lh-shot-img{height:260px}
  .glance{grid-template-columns:repeat(2,1fr)}
  .benef{grid-template-columns:1fr}
  .benef li:last-child:nth-child(odd){grid-column:auto}
}
@media(max-width:520px){.glance{grid-template-columns:1fr}}

/* nút liên hệ nổi góc phải dưới */
.fab{position:fixed;right:14px;bottom:14px;z-index:70;display:flex;flex-direction:column;align-items:center;gap:10px}
.fab a,.fab button{position:relative;width:41px;height:41px;border-radius:50%;border:0;display:grid;place-items:center;
  cursor:pointer;color:#fff;box-shadow:0 6px 18px rgba(0,0,0,.28);transition:transform .16s ease,box-shadow .16s ease;
  -webkit-tap-highlight-color:transparent}
.fab a:hover,.fab button:hover{transform:translateY(-2px);box-shadow:0 10px 24px rgba(0,0,0,.34)}
.fab svg{width:24px;height:24px}
/* cân quang học: mỗi icon lấp đầy khung vẽ một kiểu khác nhau */
.fab-tel svg{width:26.5px;height:26.5px}
.fab-zalo svg{width:23.5px;height:23.5px}
.fab-mes svg{width:22px;height:22px}
.fab-top svg{width:19px;height:19px}
.fab-tel{background:#e0261f}
.fab-zalo{background:#0068ff}
.fab-mes{background:linear-gradient(180deg,#00b2ff,#006aff 48%,#a033ff)}
.fab-tel::before{content:"";position:absolute;inset:-5px;border-radius:50%;border:2px solid #e0261f;opacity:.55;
  animation:fabring 1.9s ease-out infinite}
@keyframes fabring{0%{transform:scale(.85);opacity:.6}70%{transform:scale(1.25);opacity:0}100%{opacity:0}}
.fab .zw{font:700 13.5px/1 var(--display);letter-spacing:-.02em}
.fab-lbl{position:absolute;right:51px;top:50%;transform:translateY(-50%) translateX(6px);white-space:nowrap;
  background:var(--ink);color:#fff;font-size:12px;font-weight:600;padding:6px 10px;border-radius:6px;
  opacity:0;pointer-events:none;transition:opacity .16s ease,transform .16s ease}
.fab-lbl::after{content:"";position:absolute;right:-4px;top:50%;margin-top:-4px;width:8px;height:8px;
  background:var(--ink);transform:rotate(45deg)}
.fab a:hover .fab-lbl,.fab button:hover .fab-lbl{opacity:1;transform:translateY(-50%) translateX(0)}
.fab-sep{width:30px;height:1px;background:var(--line);margin:2px 0}
.fab-top{background:var(--ink-2);width:36px!important;height:36px!important;opacity:0;visibility:hidden;
  transition:opacity .2s ease,visibility .2s ease,transform .16s ease}
.fab-top.on{opacity:1;visibility:visible}
.fab-top svg{width:16px;height:16px}
@media(max-width:620px){.fab{right:12px;bottom:12px;gap:9px}.fab a,.fab button{width:39px;height:39px}.fab-lbl{display:none}}
@media(prefers-reduced-motion:reduce){.fab-tel::before{animation:none}}

/* ---------- menu mobile ---------- */
.burger{display:none;margin-left:auto;width:42px;height:42px;background:none;border:1px solid #3a434c;border-radius:4px;
  cursor:pointer;padding:0;align-items:center;justify-content:center;gap:5px;flex-direction:column;flex:none}
.burger span{display:block;width:20px;height:2px;background:#fff;transition:transform .2s ease,opacity .2s ease}
.burger[aria-expanded="true"] span:nth-child(1){transform:translateY(7px) rotate(45deg)}
.burger[aria-expanded="true"] span:nth-child(2){opacity:0}
.burger[aria-expanded="true"] span:nth-child(3){transform:translateY(-7px) rotate(-45deg)}

.drawer{position:fixed;inset:0;z-index:95;visibility:hidden}
.drawer.on{visibility:visible}
.drawer-scrim{position:absolute;inset:0;background:rgba(10,14,18,.6);opacity:0;transition:opacity .24s ease}
.drawer.on .drawer-scrim{opacity:1}
.drawer-panel{position:absolute;top:0;right:0;height:100%;width:min(86vw,340px);background:var(--ink);color:#fff;
  display:flex;flex-direction:column;transform:translateX(100%);transition:transform .26s cubic-bezier(.4,0,.2,1);
  box-shadow:-10px 0 30px rgba(0,0,0,.4)}
.drawer.on .drawer-panel{transform:translateX(0)}
.drawer-top{display:flex;align-items:center;justify-content:space-between;gap:16px;padding:14px 16px;
  border-bottom:1px solid var(--line-dark);flex:none}
.drawer-top .bilogo{width:112px;height:32px}
.drawer-x{background:none;border:0;color:#fff;font-size:30px;line-height:.6;cursor:pointer;padding:4px 6px}
.drawer-x:hover{color:var(--gelb)}
.drawer-nav{flex:1;overflow-y:auto;padding:6px 0}
.drawer-nav a,.dtog{display:flex;align-items:center;justify-content:space-between;width:100%;gap:12px;
  padding:14px 18px;font-family:var(--display);font-size:14.5px;font-weight:600;letter-spacing:.04em;
  text-transform:uppercase;color:#e2e6ea;text-decoration:none;background:none;border:0;border-bottom:1px solid #262f38;
  cursor:pointer;text-align:left}
.drawer-nav a:hover,.dtog:hover{background:#202a32;color:#fff}
.dtog svg{width:15px;height:15px;flex:none;transition:transform .2s ease;stroke:var(--gelb);fill:none;stroke-width:2.2;
  stroke-linecap:round;stroke-linejoin:round}
.dtog[aria-expanded="true"] svg{transform:rotate(180deg)}
.dsub{display:none;background:#141c23}
.dsub.on{display:block}
.dsub a{padding:12px 18px 12px 32px;font-size:13px;font-weight:500;text-transform:none;letter-spacing:0;color:#9fa7b0;
  font-family:var(--body);border-bottom:1px solid #1e262e}
.drawer-foot{flex:none;padding:16px;border-top:1px solid var(--line-dark);display:grid;gap:9px}
.drawer-foot .dbtn{display:flex;align-items:center;justify-content:center;gap:8px;padding:12px;font-family:var(--display);
  font-size:13.5px;font-weight:700;letter-spacing:.04em;text-decoration:none;border:1px solid transparent}
.dbtn-call{background:var(--blue);color:#fff}
.dbtn-zalo{background:transparent;color:#fff;border-color:#3a434c}
.dbtn-zalo:hover{border-color:var(--gelb);color:var(--gelb)}
.drawer-foot svg{width:17px;height:17px}
body.noscroll{overflow:hidden}

@media(max-width:900px){
  .head .wrap{gap:14px;padding-block:12px}
  .head.stuck .wrap{padding-block:9px}
  .burger{display:flex}
  .head .nav,.head .head-cta{display:none}
  .head .brand .bilogo,.head.stuck .brand .bilogo{width:124px;height:36px}
}

/* banner trên mobile: ảnh nền + sản phẩm bên phải, không bị cắt */
@media(max-width:900px){
  .banner::before{background:linear-gradient(180deg,rgba(18,25,31,.55) 0%,rgba(18,25,31,.22) 45%,rgba(18,25,31,.55) 100%)}
  .banner-art{height:112%;right:auto;left:50%;transform:translate(-50%,-50%)}
  .banner::after{content:"";position:absolute;inset:0;z-index:2;pointer-events:none;
    background:linear-gradient(180deg,rgba(18,25,31,.74) 0%,rgba(18,25,31,.52) 40%,rgba(18,25,31,.58) 70%,rgba(18,25,31,.80) 100%)}
  .banner .wrap{gap:0;padding-block:34px 36px;min-height:62vh;min-height:62svh;align-content:center;z-index:3}
  .banner .wrap > div{max-width:none}
  .banner .kv{display:none}
  .banner h1{font-size:clamp(26px,6.4vw,34px);margin-block:0 12px;line-height:1.14;text-shadow:0 2px 18px rgba(10,14,18,.75)}
  .banner .lead{color:#ccd2d9;max-width:none;font-size:14.5px;line-height:1.52;text-shadow:0 2px 14px rgba(10,14,18,.8)}
  .banner .acts{margin-top:20px;gap:8px}
  .banner .acts .btn{padding:11px 16px;font-size:12.5px}
}
@media(prefers-reduced-motion:reduce){*{transition:none!important;animation:none!important}}

/* ---------------------------------------------------- Contact Form 7 ------ */
/* Giữ nguyên bố cục của bản demo, chỉ dọn phần CF7 tự chèn thêm. */
.bf-wrap > .wpcf7,.frm-wrap > .wpcf7{display:block}
.wpcf7 .screen-reader-response{position:absolute;width:1px;height:1px;overflow:hidden;clip:rect(0 0 0 0);white-space:nowrap}
.wpcf7-spinner{display:none}
.bandform .wpcf7-form-control-wrap,.frm .wpcf7-form-control-wrap{display:block}
.wpcf7-not-valid-tip{display:block;font-family:var(--mono);font-size:10px;letter-spacing:.05em;
  text-transform:uppercase;color:#c0392b;margin-top:5px}
.bls-cf7-tb,.wpcf7-response-output{grid-column:1/-1;margin:10px 0 0;padding:10px 12px;
  border:1px solid var(--line);font-size:13.5px;line-height:1.5;background:var(--surface);color:var(--ink)}
.wpcf7 form.init .wpcf7-response-output,.wpcf7 form.resetting .wpcf7-response-output{display:none}
.wpcf7 form.sent .wpcf7-response-output{border-color:#1e8449;color:#14532d}
.wpcf7 form.invalid .wpcf7-response-output,.wpcf7 form.failed .wpcf7-response-output,
.wpcf7 form.aborted .wpcf7-response-output{border-color:#c0392b;color:#7f1d1d}
/* ô xác nhận chống máy tự động */
.cap .wpcf7-form-control-wrap{display:inline-block;margin:0}
.cap .wpcf7-acceptance .wpcf7-list-item{margin:0}
.cap .wpcf7-acceptance label{display:flex;align-items:center;gap:10px;cursor:pointer;margin:0}
.cap .wpcf7-acceptance .wpcf7-list-item-label{font-size:14px;color:var(--ink)}
.cap .wpcf7-acceptance input[type=checkbox]{width:20px;height:20px;flex:0 0 auto}
/* CF7 đặt rows=10 cho ô nhiều dòng — kéo về đúng chiều cao bản demo */
.bandform textarea{height:76px}
.frm textarea{height:74px}

/* CF7 xuất nút gửi là <input type=submit>, bị quy tắc ô nhập của .frm/.bandform
   đè mất màu nền — trả lại đúng kiểu nút của bản demo. */
.frm input[type=submit],.bandform input[type=submit]{width:auto;border:0}
.frm .btn-dark,.bandform .btn-dark,.frm input.btn-dark,.bandform input.btn-dark{background:var(--ink);color:#fff}
.frm .btn-dark:hover,.bandform .btn-dark:hover{background:var(--ink-3)}
.frm .btn-gelb,.bandform .btn-gelb,.frm input.btn-gelb,.bandform input.btn-gelb{background:var(--blue);color:#fff}
.frm .btn-gelb:hover,.bandform .btn-gelb:hover{background:var(--blue-deep)}