/* AI Bản Quyền — giao diện. Di động 390px trước. Màu ở :root. */
:root{
  --cham:#4338ca;--cham-dam:#312e81;--tim:#6d28d9;--lo:#06b6d4;--lo-dam:#0891b2;--vang:#fde047;
  --nen:#f6f7fb;--the:#fff;--chu:#0f172a;--chu-phu:#475569;--vien:#e2e8f0;--nen-phu:#eef2ff;
  --xanh:#059669;--do:#dc2626;--cam:#ea580c;
  --bo:14px;--bong:0 1px 2px rgba(15,23,42,.06),0 8px 24px rgba(30,27,75,.07);
  --gr:linear-gradient(135deg,#4338ca 0%,#6d28d9 55%,#0891b2 100%);
}
*{box-sizing:border-box}
html{-webkit-text-size-adjust:100%}
body{margin:0;font-family:'Be Vietnam Pro',system-ui,-apple-system,Segoe UI,Roboto,Arial,sans-serif;font-size:16px;line-height:1.65;color:var(--chu);background:var(--nen);padding-bottom:calc(64px + env(safe-area-inset-bottom))}
a{color:var(--cham)}
img{max-width:100%;height:auto}
h1,h2,h3{line-height:1.25;letter-spacing:-.01em}
.khung{max-width:1120px;margin:0 auto;padding:0 16px}
.hep{max-width:780px}
.an-nho{display:none}

/* Thanh trên */
.tb{position:sticky;top:0;z-index:40;background:rgba(255,255,255,.88);backdrop-filter:saturate(1.6) blur(14px);-webkit-backdrop-filter:saturate(1.6) blur(14px);border-bottom:1px solid var(--vien)}
.tb-in{max-width:1120px;margin:0 auto;padding:8px 16px;display:flex;align-items:center;gap:10px;min-height:56px}
.tb-logo{display:flex;align-items:center;gap:9px;text-decoration:none;color:var(--chu);min-width:0}
.tb-logo span{display:flex;flex-direction:column;line-height:1.15}
.tb-logo b{font-size:17px;font-weight:800;white-space:nowrap}
.tb-logo small{font-size:11.5px;color:var(--chu-phu);white-space:nowrap}
.tb-nav{display:none}
.tb-tk{margin-left:auto;display:flex;align-items:center;gap:7px;text-decoration:none;color:var(--chu);font-weight:600;font-size:14.5px}
.tb-dn{padding:8px 14px;border-radius:999px;background:var(--gr);color:#fff}
.tb-av{width:32px;height:32px;border-radius:50%;background:var(--gr);color:#fff;display:grid;place-items:center;font-weight:700;font-size:14px;flex:none}
.tb-mn{display:block;width:34px;height:40px;border:0;background:none;padding:9px 0 9px 10px;margin-right:-1px;cursor:pointer;flex:none} /* MENU_TOPBAR_v1: nút ngăn kéo luôn ở topbar */
.tb-mn span{display:block;height:2px;background:var(--chu);margin:5px 0;border-radius:2px}
@media(min-width:960px){
  .tb-nav{display:flex;gap:4px;margin-left:18px}
  .tb-nav a{padding:8px 12px;border-radius:9px;text-decoration:none;color:var(--chu-phu);font-weight:600;font-size:14.5px}
  .tb-nav a:hover,.tb-nav a.on{background:var(--nen-phu);color:var(--cham)}
  .an-nho{display:inline}
}

/* Nút */
.nut{display:inline-flex;align-items:center;justify-content:center;gap:8px;padding:12px 20px;border-radius:12px;font-weight:700;font-size:15.5px;text-decoration:none;border:1px solid transparent;cursor:pointer;font-family:inherit;line-height:1.2}
.nut-chinh{background:var(--gr);color:#fff;box-shadow:0 6px 20px rgba(67,56,202,.28)}
.nut-chinh:hover{filter:brightness(1.07)}
.nut-vien{background:#fff;color:var(--cham);border-color:#c7d2fe}
.nut-trang{background:rgba(255,255,255,.14);color:#fff;border-color:rgba(255,255,255,.35)}
.nut-nho{padding:8px 13px;font-size:14px;border-radius:10px}
.nut-du{width:100%}
.nut-do{background:#fff;color:var(--do);border-color:#fecaca}
button.nut:disabled{opacity:.55;cursor:not-allowed}

/* Hero */
.hero{position:relative;overflow:hidden;background:#0b0a24;color:#fff;padding:38px 0 46px}
.hero:before{content:"";position:absolute;inset:-40% -20% auto -20%;height:140%;background:radial-gradient(40% 40% at 20% 30%,rgba(109,40,217,.55),transparent 70%),radial-gradient(35% 35% at 85% 20%,rgba(6,182,212,.45),transparent 70%),radial-gradient(30% 30% at 60% 85%,rgba(67,56,202,.5),transparent 70%);filter:blur(10px)}
.hero:after{content:"";position:absolute;inset:0;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:34px 34px;mask-image:linear-gradient(to bottom,#000 30%,transparent)}
.hero .khung{position:relative;z-index:1}
.hero-nhan{display:inline-flex;gap:7px;align-items:center;font-size:13px;font-weight:600;padding:6px 12px;border-radius:999px;background:rgba(255,255,255,.1);border:1px solid rgba(255,255,255,.18)}
.hero h1{font-size:31px;margin:14px 0 12px;font-weight:800}
.hero h1 em{font-style:normal;background:linear-gradient(90deg,#a5b4fc,#67e8f9);-webkit-background-clip:text;background-clip:text;color:transparent}
.hero p.lead{font-size:16.5px;color:#cbd5e1;margin:0 0 20px}
.hero-nut{display:flex;flex-direction:column;gap:10px}
.hero-dau{display:flex;flex-wrap:wrap;gap:8px 16px;margin-top:20px;font-size:13.5px;color:#a5b4fc}
.hero-the{margin-top:26px;background:rgba(255,255,255,.06);border:1px solid rgba(255,255,255,.14);border-radius:18px;padding:16px;backdrop-filter:blur(8px)}
.hero-the .dong{display:flex;align-items:center;gap:10px;padding:9px 0;border-bottom:1px dashed rgba(255,255,255,.14);font-size:14px}
.hero-the .dong:last-child{border:0}
.hero-the .dong b{margin-left:auto;font-size:12.5px;padding:3px 9px;border-radius:999px}
.ok{background:rgba(16,185,129,.18);color:#6ee7b7}.cho{background:rgba(250,204,21,.16);color:#fde68a}.gui{background:rgba(99,102,241,.25);color:#c7d2fe}
@media(min-width:760px){.hero{padding:70px 0 80px}.hero h1{font-size:48px}.hero-nut{flex-direction:row}.hero-luoi{display:grid;grid-template-columns:1.2fr 1fr;gap:46px;align-items:center}.hero-the{margin-top:0}}

/* Khối */
.khoi{padding:38px 0}
.khoi-dau{margin-bottom:20px}
.khoi-dau h2{font-size:25px;margin:0 0 8px}
.khoi-dau p{margin:0;color:var(--chu-phu)}
.nhan-nho{display:inline-block;font-size:12.5px;font-weight:700;color:var(--cham);background:var(--nen-phu);padding:4px 10px;border-radius:999px;margin-bottom:8px;letter-spacing:.02em}
.luoi{display:grid;gap:14px}
@media(min-width:700px){.luoi-2{grid-template-columns:1fr 1fr}.luoi-3{grid-template-columns:repeat(3,1fr)}.luoi-4{grid-template-columns:repeat(2,1fr)}}
@media(min-width:1000px){.luoi-4{grid-template-columns:repeat(4,1fr)}.khoi-dau h2{font-size:32px}}
.the{background:var(--the);border:1px solid var(--vien);border-radius:var(--bo);padding:18px;box-shadow:var(--bong)}
.the h3{margin:6px 0 8px;font-size:18px}
.the p{margin:0 0 10px;color:var(--chu-phu);font-size:15px}
.the-icon{width:44px;height:44px;border-radius:12px;display:grid;place-items:center;font-size:22px;background:var(--nen-phu)}
.the-cc{text-decoration:none;color:inherit;display:block;transition:transform .15s,box-shadow .15s}
.the-cc:hover{transform:translateY(-2px);box-shadow:0 12px 30px rgba(30,27,75,.12)}
.the-cc .xem{font-weight:700;color:var(--cham);font-size:14.5px}
.buoc{counter-reset:b;display:grid;gap:12px}
.buoc li{list-style:none;position:relative;padding:14px 14px 14px 58px;background:#fff;border:1px solid var(--vien);border-radius:var(--bo)}
.buoc li:before{counter-increment:b;content:counter(b);position:absolute;left:14px;top:14px;width:32px;height:32px;border-radius:10px;background:var(--gr);color:#fff;font-weight:800;display:grid;place-items:center}
.buoc b{display:block}
.so-lieu{display:grid;grid-template-columns:repeat(2,1fr);gap:10px}
.so-lieu div{background:#fff;border:1px solid var(--vien);border-radius:12px;padding:12px}
.so-lieu b{display:block;font-size:22px;background:var(--gr);-webkit-background-clip:text;background-clip:text;color:transparent}
.so-lieu span{font-size:13px;color:var(--chu-phu)}
.mo{color:var(--chu-phu);font-size:14px}
.nen-toi{background:#0f0e2c;color:#e2e8f0}
.nen-toi .khoi-dau p,.nen-toi .the p{color:#94a3b8}
.nen-toi .the{background:rgba(255,255,255,.04);border-color:rgba(255,255,255,.1);box-shadow:none}

/* Bảng giá */
.gia-the{position:relative;display:flex;flex-direction:column}
.gia-the.noi{border:2px solid var(--cham);box-shadow:0 18px 40px rgba(67,56,202,.18)}
.gia-the .nhan-noi{position:absolute;top:-12px;left:18px;background:var(--gr);color:#fff;font-size:12px;font-weight:700;padding:4px 10px;border-radius:999px}
.gia-so{font-size:30px;font-weight:800;margin:4px 0 0}
.gia-so small{font-size:14px;font-weight:600;color:var(--chu-phu)}
.gia-nam{font-size:13.5px;color:var(--xanh);font-weight:600;margin-bottom:10px}
.ds-tich{list-style:none;padding:0;margin:8px 0 16px;flex:1}
.ds-tich li{position:relative;padding:5px 0 5px 26px;font-size:14.5px}
.ds-tich li:before{content:"✓";position:absolute;left:0;top:5px;width:18px;height:18px;border-radius:50%;background:#dcfce7;color:var(--xanh);font-size:12px;font-weight:800;display:grid;place-items:center}
.chon-ky{display:flex;gap:6px;margin-bottom:10px}
.chon-ky label{flex:1;text-align:center;border:1px solid var(--vien);border-radius:10px;padding:8px;font-size:13.5px;cursor:pointer}
.chon-ky input{display:none}
.chon-ky input:checked+span{color:var(--cham);font-weight:700}
.chon-ky label:has(input:checked){border-color:var(--cham);background:var(--nen-phu)}

/* Biểu mẫu */
.bm label{display:block;font-weight:600;font-size:14.5px;margin:14px 0 6px}
.bm label small{font-weight:400;color:var(--chu-phu)}
.bm input[type=text],.bm input[type=url],.bm input[type=email],.bm input[type=tel],.bm select,.bm textarea{width:100%;padding:12px 13px;border:1px solid #cbd5e1;border-radius:11px;font:inherit;font-size:16px;background:#fff;color:var(--chu)}
.bm textarea{min-height:110px;resize:vertical}
.bm input:focus,.bm select:focus,.bm textarea:focus{outline:2px solid #a5b4fc;border-color:var(--cham)}
.bm .goi-y{font-size:13px;color:var(--chu-phu);margin-top:4px}
.bm .tich{display:flex;gap:10px;align-items:flex-start;font-weight:500;font-size:14.5px;margin:10px 0}
.bm .tich input{margin-top:5px;width:18px;height:18px;flex:none}
.chon-o{display:grid;grid-template-columns:repeat(2,1fr);gap:8px}
.chon-o label{margin:0;display:flex;gap:8px;align-items:center;border:1px solid var(--vien);border-radius:11px;padding:11px;font-weight:600;font-size:14px;cursor:pointer;background:#fff}
.chon-o label:has(input:checked){border-color:var(--cham);background:var(--nen-phu);color:var(--cham)}
.chon-o input{accent-color:var(--cham)}
.nhom-bm{background:#fff;border:1px solid var(--vien);border-radius:var(--bo);padding:16px;margin-bottom:14px}
.nhom-bm h3{margin:0 0 4px;font-size:17px}
.van-ban{white-space:pre-wrap;font-family:ui-monospace,SFMono-Regular,Menlo,Consolas,monospace;font-size:13.5px;line-height:1.55;background:#0f172a;color:#e2e8f0;border-radius:12px;padding:14px;overflow-x:auto;max-height:520px;overflow-y:auto}
.ma-nhung{width:100%;min-height:92px;font-family:ui-monospace,Menlo,Consolas,monospace;font-size:12.5px;padding:10px;border-radius:10px;border:1px solid #cbd5e1;background:#f8fafc}

/* Nhãn trạng thái */
.tt{display:inline-block;font-size:12.5px;font-weight:700;padding:3px 10px;border-radius:999px;white-space:nowrap}
.tt-xam{background:#f1f5f9;color:#475569}.tt-lam{background:#e0e7ff;color:#3730a3}.tt-vang{background:#fef9c3;color:#854d0e}
.tt-cam{background:#ffedd5;color:#9a3412}.tt-xanh{background:#dcfce7;color:#166534}.tt-do{background:#fee2e2;color:#991b1b}.tt-tim{background:#f3e8ff;color:#6b21a8}
.nhan{max-width:1120px;margin:12px auto 0;padding:12px 16px;border-radius:12px;font-weight:600;font-size:14.5px}
.nhan-ok{background:#dcfce7;color:#166534}.nhan-loi{background:#fee2e2;color:#991b1b}.nhan-tin{background:#e0e7ff;color:#3730a3}
.bao{padding:12px 14px;border-radius:12px;font-size:14.5px;margin:12px 0}
.bao-vang{background:#fffbeb;border:1px solid #fde68a;color:#78350f}.bao-lam{background:#eef2ff;border:1px solid #c7d2fe;color:#312e81}.bao-xanh{background:#ecfdf5;border:1px solid #a7f3d0;color:#065f46}
.bao-do{background:#fef2f2;border:1px solid #fecaca;color:#7f1d1d}

/* Dòng thời gian đơn */
.dtg{list-style:none;margin:0;padding:0;border-left:2px solid #c7d2fe;margin-left:8px}
.dtg li{position:relative;padding:0 0 16px 18px}
.dtg li:before{content:"";position:absolute;left:-7px;top:6px;width:12px;height:12px;border-radius:50%;background:var(--cham);border:2px solid #fff}
.dtg time{font-size:12.5px;color:var(--chu-phu)}

/* Bảng */
.bang-cuon{overflow-x:auto;-webkit-overflow-scrolling:touch;border:1px solid var(--vien);border-radius:12px;background:#fff}
table.bang{width:100%;border-collapse:collapse;font-size:14.5px}
table.bang th,table.bang td{padding:10px 12px;border-bottom:1px solid var(--vien);text-align:left;vertical-align:top}
table.bang th{background:#f8fafc;font-size:13px;color:var(--chu-phu);white-space:nowrap}
table.bang tr:last-child td{border-bottom:0}
.so-bam{font-weight:800;color:var(--cham);text-decoration:none}

/* Bài viết */
.dd{font-size:13.5px;color:var(--chu-phu);margin:14px 0 6px}
.dd a{color:var(--chu-phu)}
.ds-bai{display:grid;gap:14px}
@media(min-width:700px){.ds-bai{grid-template-columns:repeat(2,1fr)}}
@media(min-width:1000px){.ds-bai{grid-template-columns:repeat(3,1fr)}}
.bai-the{background:#fff;border:1px solid var(--vien);border-radius:var(--bo);overflow:hidden;text-decoration:none;color:inherit;display:flex;flex-direction:column;box-shadow:var(--bong)}
.bai-anh{aspect-ratio:1200/630;background:var(--gr);display:grid;place-items:center;color:#fff;font-weight:800;font-size:15px;padding:14px;text-align:center;overflow:hidden}
.bai-anh img{width:100%;height:100%;object-fit:cover;display:block}
.bai-the .nd{padding:14px 16px 16px}
.bai-the .cm{font-size:12.5px;font-weight:700;color:var(--cham)}
.bai-the h3{font-size:17px;margin:6px 0 8px}
.bai-the p{font-size:14.5px;color:var(--chu-phu);margin:0}
.bai{background:#fff;border:1px solid var(--vien);border-radius:18px;padding:18px;box-shadow:var(--bong)}
.bai h1{font-size:27px;margin:4px 0 10px}
.bai .tt-bai{font-size:13.5px;color:var(--chu-phu);display:flex;flex-wrap:wrap;gap:6px 14px}
.bai .anh-bai{margin:16px -18px;aspect-ratio:1200/630;background:var(--gr)}
.bai .anh-bai img{width:100%;height:100%;object-fit:cover;display:block}
.than-bai{font-size:17px;line-height:1.75}
.than-bai h2{font-size:22px;margin:30px 0 10px}
.than-bai h3{font-size:18.5px;margin:22px 0 8px}
.than-bai table{width:100%;border-collapse:collapse;font-size:15px;display:block;overflow-x:auto}
.than-bai th,.than-bai td{border:1px solid var(--vien);padding:8px 10px;text-align:left;vertical-align:top}
.than-bai th{background:#f8fafc}
.than-bai blockquote{margin:16px 0;padding:12px 16px;border-left:4px solid var(--cham);background:var(--nen-phu);border-radius:0 12px 12px 0;white-space:pre-wrap}
.than-bai li{margin:4px 0}
.faq details{background:#fff;border:1px solid var(--vien);border-radius:12px;padding:12px 14px;margin-bottom:8px}
.faq summary{font-weight:700;cursor:pointer}
.the-ds{display:flex;flex-wrap:wrap;gap:6px;margin:16px 0}
.the-ds a{font-size:13px;padding:5px 10px;border-radius:999px;background:#f1f5f9;color:#334155;text-decoration:none}
.cta-bai{margin:24px 0;padding:18px;border-radius:16px;background:var(--gr);color:#fff}
.cta-bai h3{margin:0 0 6px;font-size:19px}.cta-bai p{margin:0 0 12px;color:#e0e7ff}
.cta-bai .nut{background:#fff;color:var(--cham)}
@media(min-width:760px){.bai{padding:32px 40px}.bai h1{font-size:36px}.bai .anh-bai{margin:20px -40px}}
.phan-trang{display:flex;gap:8px;justify-content:center;margin:20px 0}
.phan-trang a,.phan-trang span{padding:8px 13px;border-radius:10px;border:1px solid var(--vien);background:#fff;text-decoration:none}

/* Trang xác minh */
.xm-dau{background:var(--gr);color:#fff;border-radius:18px;padding:22px;position:relative;overflow:hidden}
.xm-dau h1{margin:8px 0 6px;font-size:24px;word-break:break-word}
.xm-dau .dau{display:inline-flex;align-items:center;gap:6px;background:rgba(255,255,255,.18);padding:5px 11px;border-radius:999px;font-size:13px;font-weight:700}
.xm-o{display:grid;gap:10px;margin-top:14px}
.xm-o div{background:#fff;border:1px solid var(--vien);border-radius:12px;padding:12px 14px}
.xm-o span{display:block;font-size:12.5px;color:var(--chu-phu)}
.xm-o b{word-break:break-word}
.bam{font-family:ui-monospace,Menlo,Consolas,monospace;font-size:12px;word-break:break-all;color:#334155}

/* Chân trang */
.ft{background:#0b0a24;color:#cbd5e1;margin-top:40px}
.ft-in{max-width:1120px;margin:0 auto;padding:34px 16px 10px;display:grid;gap:22px}
.ft a{color:#c7d2fe;text-decoration:none}
.ft .tb-logo{color:#fff}.ft .tb-logo small{color:#94a3b8}
.ft p{font-size:14px;margin:10px 0}
.ft-c{display:flex;flex-direction:column;gap:7px;font-size:14px}
.ft-c b{color:#fff;margin-bottom:3px}
.ft-duoi{max-width:1120px;margin:0 auto;padding:16px;border-top:1px solid rgba(255,255,255,.1);font-size:13.5px}
.ft-mo{color:#64748b;font-size:12.5px!important}
@media(min-width:900px){.ft-in{grid-template-columns:1.5fr 1fr 1.2fr 1fr}}

/* Thanh đáy */
.bn{position:fixed;left:0;right:0;bottom:0;z-index:45;display:grid;grid-template-columns:repeat(5,1fr);background:rgba(255,255,255,.96);backdrop-filter:blur(12px);border-top:1px solid var(--vien);padding-bottom:env(safe-area-inset-bottom)}
.bn .bn-item{display:flex;flex-direction:column;align-items:center;gap:1px;padding:7px 2px 6px;text-decoration:none;color:#64748b;font-size:11px;font-weight:600;background:none;border:0;font-family:inherit;cursor:pointer}
.bn i{font-style:normal;font-size:20px;line-height:1.2}
.bn em{font-style:normal;font-size:10px;background:var(--cham);color:#fff;border-radius:999px;padding:0 5px;margin-left:2px}
.bn .on{color:var(--cham)}

/* Ngăn kéo */
.dr-nen{position:fixed;inset:0;background:rgba(15,23,42,.45);z-index:60}
.dr{position:fixed;top:0;right:0;bottom:0;width:min(330px,88vw);background:#fff;z-index:61;overflow-y:auto;padding:12px 14px calc(20px + env(safe-area-inset-bottom));box-shadow:-10px 0 40px rgba(0,0,0,.15)}
.dr-dau{display:flex;align-items:center;justify-content:space-between;margin-bottom:10px}
.dr-x{border:0;background:#f1f5f9;width:36px;height:36px;border-radius:10px;font-size:16px;cursor:pointer}
.dr-tk{display:flex;gap:10px;align-items:center;padding:10px;border-radius:12px;background:var(--nen-phu);text-decoration:none;color:var(--chu);margin-bottom:6px}
.dr-tk span{display:flex;flex-direction:column;line-height:1.3;min-width:0}.dr-tk small{color:var(--chu-phu);overflow:hidden;text-overflow:ellipsis}
.dr-nhom{font-size:12px;font-weight:800;text-transform:uppercase;letter-spacing:.06em;color:#94a3b8;margin:16px 4px 4px;display:flex;justify-content:space-between}
.dr-nhom span{text-transform:none;letter-spacing:0;font-weight:600}
.dr-a{display:flex;align-items:center;gap:8px;padding:10px 8px;border-radius:10px;text-decoration:none;color:var(--chu);font-weight:600;font-size:15px}
.dr-a:hover{background:#f8fafc}
.dr-a em{margin-left:auto;font-style:normal;font-size:12px;background:#f1f5f9;color:#475569;border-radius:999px;padding:1px 8px}
body.dr-mo{overflow:hidden}

/* Quản trị */
.qt-menu{display:flex;gap:6px;overflow-x:auto;padding:10px 0;-webkit-overflow-scrolling:touch}
.qt-menu a{white-space:nowrap;padding:7px 12px;border-radius:999px;background:#fff;border:1px solid var(--vien);text-decoration:none;font-size:14px;font-weight:600;color:#334155}
.qt-menu a.on{background:var(--cham);color:#fff;border-color:var(--cham)}
.loc{display:flex;gap:6px;flex-wrap:wrap;margin:10px 0}
.loc a{font-size:13px;padding:5px 10px;border-radius:999px;background:#f1f5f9;text-decoration:none;color:#334155}
.loc a.on{background:var(--cham);color:#fff}
.ket-qua-quet .cau{background:#fff;border:1px solid var(--vien);border-radius:12px;padding:12px;margin-bottom:8px}
.ket-qua-quet .cau q{display:block;font-style:italic;margin-bottom:8px}
.ket-qua-quet .cau a{font-size:13.5px;margin-right:12px;font-weight:600}
.thanh-tl{height:10px;border-radius:999px;background:#e2e8f0;overflow:hidden;margin:6px 0}
.thanh-tl i{display:block;height:100%;background:linear-gradient(90deg,#f59e0b,#dc2626)}

/* DOCK_BQ_v2 — mobile: nút Gỡ vi phạm là nút màu nhấn DUY NHẤT, cùng chiều cao hàng với các mục khác (khuôn nút nổi hanhphap):
   icon nằm trong viên thuốc màu cao đúng bằng dòng icon (24px), nhãn cùng cỡ/baseline, chữ đậm màu nhấn. */
.bn .bn-center{color:var(--cham);font-weight:800}
.bn .bn-center .bn-center-bubble{display:inline-flex;align-items:center;justify-content:center;height:24px;padding:0 13px;border-radius:999px;background:var(--gr);font-size:15px;line-height:1;box-shadow:0 3px 10px rgba(67,56,202,.28)}
.bn .cur{color:var(--cham)}
.bn .bn-item svg{width:22px;height:22px;margin:1px 0 2px}
@media(min-width:768px){.bn .bn-item i{font-size:16px;line-height:1}.bn .bn-center{font-weight:700}.bn .bn-center .bn-center-bubble{height:auto;padding:0;background:none;box-shadow:none;font-size:16px}}

/* NUT_PHAI_v1 — cụm nút phải (đăng nhập SSO + ngăn kéo) sát lề phải container như logo bên trái */
.tb-in .sso-nut{margin-left:auto}
.tb-in .sso-nut+.sso-hop~.tb-mn,.tb-in .tb-mn{margin-left:2px}

/* NUT_GO_v2 — biểu tượng tẩy trắng nét trên nền tím (emoji chổi chìm, không nổi) */
.bn .bn-center .bn-center-bubble{color:#fff}.bn .bn-center .bn-go-ic{width:17px;height:17px;margin:0}
@media(min-width:768px){.bn .bn-center .bn-center-bubble{color:var(--cham)}}

/* PWA_BQ_v1 — dải mời cài app, nằm trên thanh đáy */
.cai-dai{position:fixed;left:10px;right:10px;bottom:calc(72px + env(safe-area-inset-bottom));z-index:46;display:flex;align-items:center;gap:10px;padding:10px 10px 10px 12px;background:#fff;border:1px solid var(--vien);border-radius:16px;box-shadow:0 10px 30px rgba(15,23,42,.18);max-width:520px;margin:0 auto}
.cai-dai[hidden]{display:none}
.cai-dai img{width:40px;height:40px;border-radius:10px;flex:none}
.cai-dai p{margin:0;flex:1;min-width:0;font-size:13px;line-height:1.45;color:var(--chu-phu)}
.cai-dai p b:first-child{display:block;color:var(--chu);font-size:14px}
.cai-dai p svg{vertical-align:-3px;color:#2563eb}
.cai-dai .cai-in{color:var(--chu)}
.cai-ngay{flex:none;border:0;border-radius:999px;padding:9px 14px;background:var(--gr);color:#fff;font:700 13px/1 inherit;font-family:inherit;cursor:pointer}
.cai-ngay[hidden]{display:none}
.cai-x{flex:none;width:30px;height:30px;border:0;border-radius:50%;background:var(--nen-phu);color:var(--chu-phu);font-size:13px;cursor:pointer}
@media(min-width:768px){.cai-dai{bottom:calc(84px + env(safe-area-inset-bottom))}}