/* AI Cố Vấn — một tệp CSS cho cả mặt công khai lẫn ứng dụng. Mobile-first (iPhone 390px). */
:root{
  --navy:#16325c;--navy2:#2451a6;--navy3:#0e2242;--gold:#f2c14e;--gold2:#c8892b;--ink:#1b2333;--mute:#5d667a;--line:#e3e7ef;
  --bg:#f5f7fb;--card:#fff;--ok:#15803d;--ok-bg:#e9f7ee;--warn:#a15c07;--warn-bg:#fff6e0;--bad:#b91c1c;--bad-bg:#fdecec;--blue-bg:#eaf1fd;
  --r:14px;--r2:20px;--sh:0 1px 2px rgba(16,24,40,.05),0 6px 22px rgba(16,24,40,.07);--sh2:0 14px 44px rgba(14,34,66,.18);
  --font:"Be Vietnam Pro",system-ui,-apple-system,"Segoe UI",Roboto,Arial,sans-serif;color-scheme:light
}
*{box-sizing:border-box}
html{-webkit-text-size-adjust:100%;scroll-behavior:smooth}
body{margin:0;font-family:var(--font);font-size:16px;line-height:1.6;color:var(--ink);background:var(--bg);overflow-x:hidden}
img,svg{max-width:100%;vertical-align:middle}
a{color:var(--navy2);text-decoration:none}a:hover{text-decoration:underline}
h1,h2,h3,h4{line-height:1.25;margin:0 0 .5em;letter-spacing:-.01em;color:var(--navy3)}
h1{font-size:clamp(1.85rem,6vw,3.1rem);font-weight:800}
h2{font-size:clamp(1.45rem,4.4vw,2.1rem);font-weight:800}
h3{font-size:1.12rem;font-weight:700}
p{margin:0 0 1em}
.w{max-width:1180px;margin:0 auto;padding:0 16px}
.w-hep{max-width:760px;margin:0 auto;padding:0 16px}
.ic{flex:none}
.an{display:none!important}
.mute{color:var(--mute)}.nho{font-size:.88rem}.giua{text-align:center}
.the-nho{display:inline-flex;align-items:center;gap:6px;padding:4px 11px;border-radius:999px;font-size:.8rem;font-weight:600;background:var(--blue-bg);color:var(--navy2)}
.the-nho.vang{background:#fff4d6;color:#8a5a00}.the-nho.xanh{background:var(--ok-bg);color:var(--ok)}.the-nho.do{background:var(--bad-bg);color:var(--bad)}.the-nho.xam{background:#eef0f4;color:#4b5363}

/* Nút — luôn có chữ */
.nut{display:inline-flex;align-items:center;justify-content:center;gap:8px;min-height:46px;padding:10px 20px;border-radius:12px;border:1px solid transparent;font:inherit;font-weight:700;font-size:1rem;cursor:pointer;text-decoration:none!important;transition:transform .12s,box-shadow .12s,background .12s;white-space:nowrap}
.nut:active{transform:translateY(1px)}
.nut-chinh{background:var(--gold);color:var(--navy3);box-shadow:0 6px 18px rgba(242,193,78,.35)}.nut-chinh:hover{background:#f5cc68}
.nut-xanh{background:var(--navy);color:#fff}.nut-xanh:hover{background:var(--navy2)}
.nut-vien{background:#fff;color:var(--navy);border-color:#cfd6e3}.nut-vien:hover{border-color:var(--navy2)}
.nut-trong{background:rgba(255,255,255,.1);color:#fff;border-color:rgba(255,255,255,.35)}.nut-trong:hover{background:rgba(255,255,255,.18)}
.nut-nho{min-height:38px;padding:7px 14px;font-size:.9rem;border-radius:10px}
.nut-do{background:#fff;color:var(--bad);border-color:#f1c4c4}
.nut-rong{width:100%}
.nut[disabled]{opacity:.55;cursor:default}

/* ── Thanh đầu công khai ── */
.dau{position:sticky;top:0;z-index:40;background:rgba(255,255,255,.94);backdrop-filter:saturate(1.4) blur(10px);border-bottom:1px solid var(--line)}
.dau .w{display:flex;align-items:center;gap:14px;height:62px}
.logo{display:flex;align-items:center;gap:10px;color:var(--navy3)!important;text-decoration:none!important;font-weight:800;font-size:1.12rem;line-height:1.1}
.logo small{display:block;font-size:.68rem;font-weight:500;color:var(--mute);letter-spacing:.01em}
.dau nav.chinh{display:none;gap:4px;margin-left:12px}
.dau nav.chinh a{color:var(--ink);font-weight:600;font-size:.95rem;padding:8px 11px;border-radius:9px}.dau nav.chinh a:hover{background:#f1f4f9;text-decoration:none}
.dau .phai{margin-left:auto;display:flex;gap:8px;align-items:center}
.dau .phai .nut{min-height:40px;padding:8px 14px;font-size:.92rem}
.nut-menu{display:inline-flex;align-items:center;gap:6px;background:none;border:1px solid var(--line);border-radius:10px;padding:8px 10px;font:inherit;font-weight:600;font-size:.88rem;color:var(--ink);cursor:pointer}
.ngan-kéo{display:none}
.drawer{position:fixed;inset:0;z-index:60;background:rgba(10,20,40,.45);display:none}
.drawer.mo{display:block}
.drawer .tam{position:absolute;right:0;top:0;bottom:0;width:min(86vw,340px);background:#fff;padding:18px;overflow:auto;box-shadow:var(--sh2)}
.drawer a.muc{display:flex;align-items:center;gap:12px;padding:13px 6px;border-bottom:1px solid var(--line);color:var(--ink);font-weight:600}
.drawer .nut{margin-top:12px}
@media(min-width:980px){.dau nav.chinh{display:flex}.nut-menu{display:none}}
@media(max-width:420px){.dau .an-nho{display:none}}

/* ── Hero ── */
.hero{position:relative;background:radial-gradient(1200px 500px at 85% -10%,#2c5bb8 0,transparent 60%),radial-gradient(800px 420px at -10% 110%,#1f4a8f 0,transparent 55%),linear-gradient(160deg,#0e2242,#16325c 55%,#1c3f78);color:#fff;overflow:hidden}
.hero::after{content:"";position:absolute;inset:0;background-image:radial-gradient(rgba(255,255,255,.07) 1px,transparent 1px);background-size:22px 22px;pointer-events:none;mask-image:linear-gradient(to bottom,#000 40%,transparent)}
.hero .w{position:relative;z-index:1;display:grid;gap:34px;padding-top:42px;padding-bottom:54px}
.hero h1{color:#fff}.hero h1 em{font-style:normal;color:var(--gold)}
.hero .dan{font-size:1.08rem;color:#d5def0;max-width:620px}
.hero .nhan{display:inline-flex;align-items:center;gap:8px;background:rgba(242,193,78,.14);border:1px solid rgba(242,193,78,.4);color:#ffe3a1;padding:6px 13px;border-radius:999px;font-size:.84rem;font-weight:600;margin-bottom:16px}
.hero .cta{display:flex;flex-wrap:wrap;gap:10px;margin:22px 0 18px}
.hero .bao-dam{display:flex;flex-wrap:wrap;gap:8px 18px;color:#c3cee4;font-size:.88rem}
.hero .bao-dam span{display:inline-flex;align-items:center;gap:6px}
.hero .bao-dam svg{color:var(--gold)}
@media(min-width:980px){.hero .w{grid-template-columns:1.08fr .92fr;align-items:center;padding-top:64px;padding-bottom:76px}}

/* Điện thoại mẫu vẽ bằng CSS */
.dt{width:min(340px,92vw);margin:0 auto;background:#0b1830;border-radius:42px;padding:11px;box-shadow:0 30px 80px rgba(0,0,0,.45),inset 0 0 0 2px #2a3d63;position:relative}
.dt .man{background:var(--bg);border-radius:32px;overflow:hidden;height:600px;display:flex;flex-direction:column;color:var(--ink)}
.dt .tai{position:absolute;top:19px;left:50%;transform:translateX(-50%);width:96px;height:24px;background:#0b1830;border-radius:14px;z-index:2}
.dt .tt{background:#fff;padding:40px 16px 12px;border-bottom:1px solid var(--line);display:flex;align-items:center;gap:9px}
.dt .tt b{font-size:.95rem;color:var(--navy3)}.dt .tt .cham{margin-left:auto;position:relative;color:var(--navy)}
.dt .tt .cham i{position:absolute;top:-4px;right:-5px;background:#e5484d;color:#fff;font-size:.6rem;font-style:normal;font-weight:700;border-radius:9px;padding:0 5px;line-height:15px}
.dt .than{padding:12px;display:flex;flex-direction:column;gap:9px;flex:1;overflow:hidden}
.dt .o{background:#fff;border:1px solid var(--line);border-radius:14px;padding:10px 12px;font-size:.8rem;line-height:1.45}
.dt .o .k{font-size:.68rem;font-weight:700;color:var(--mute);text-transform:uppercase;letter-spacing:.04em;margin-bottom:3px}
.dt .han{display:flex;align-items:center;gap:9px}.dt .han .ngay{flex:none;width:40px;text-align:center;border-radius:9px;background:var(--warn-bg);color:var(--warn);font-weight:800;font-size:.9rem;line-height:1.05;padding:4px 0}
.dt .han .ngay small{display:block;font-size:.58rem;font-weight:600}
.dt .bong{max-width:88%;padding:8px 11px;border-radius:14px;font-size:.78rem;line-height:1.45}
.dt .bong.k{align-self:flex-end;background:var(--navy);color:#fff;border-bottom-right-radius:5px}
.dt .bong.a{background:#fff;border:1px solid var(--line);border-bottom-left-radius:5px}
.dt .bong.ls{background:#fff8e6;border:1px solid #f3dca0;border-bottom-left-radius:5px}
.dt .bong .ai-ten{display:block;font-size:.66rem;font-weight:700;color:var(--navy2);margin-bottom:2px}
.dt .bong.ls .ai-ten{color:#8a5a00}
.dt .day{display:flex;justify-content:space-around;background:#fff;border-top:1px solid var(--line);padding:7px 4px 14px;font-size:.6rem;color:var(--mute);font-weight:600}
.dt .day span{display:flex;flex-direction:column;align-items:center;gap:2px}.dt .day .dang{color:var(--navy2)}
.thong-bao-noi{position:absolute;z-index:3;left:-14px;right:-14px;bottom:86px;background:rgba(255,255,255,.97);border-radius:16px;padding:10px 12px;box-shadow:0 12px 34px rgba(0,0,0,.28);display:flex;gap:10px;align-items:flex-start;font-size:.78rem;color:var(--ink);animation:roi 6s ease-in-out infinite}
.thong-bao-noi b{display:block;font-size:.8rem}
@keyframes roi{0%,8%{opacity:0;transform:translateY(-14px)}14%,60%{opacity:1;transform:none}70%,100%{opacity:0;transform:translateY(-10px)}}
@media(prefers-reduced-motion:reduce){.thong-bao-noi{animation:none}}

/* Dải số */
.dai-so{display:grid;grid-template-columns:repeat(2,1fr);gap:10px;margin-top:-30px;position:relative;z-index:2}
.dai-so .o{background:#fff;border-radius:var(--r);padding:14px 16px;box-shadow:var(--sh);border:1px solid var(--line)}
.dai-so b{display:block;font-size:1.5rem;color:var(--navy);line-height:1.15}.dai-so span{font-size:.84rem;color:var(--mute)}
@media(min-width:760px){.dai-so{grid-template-columns:repeat(4,1fr)}}

/* Khối nội dung */
.khoi{padding:56px 0}.khoi.trang{background:#fff}.khoi.dam{background:linear-gradient(170deg,#0e2242,#16325c);color:#e6ecf7}.khoi.dam h2,.khoi.dam h3{color:#fff}
.tieu-khoi{max-width:720px;margin-bottom:26px}.tieu-khoi .mau{display:inline-block;font-size:.8rem;font-weight:700;letter-spacing:.06em;text-transform:uppercase;color:var(--gold2);margin-bottom:6px}
.tieu-khoi p{color:var(--mute);font-size:1.03rem}.khoi.dam .tieu-khoi p{color:#b9c5dc}
.luoi{display:grid;gap:14px}
@media(min-width:700px){.luoi.c2{grid-template-columns:repeat(2,1fr)}.luoi.c3{grid-template-columns:repeat(2,1fr)}.luoi.c4{grid-template-columns:repeat(2,1fr)}}
@media(min-width:1000px){.luoi.c3{grid-template-columns:repeat(3,1fr)}.luoi.c4{grid-template-columns:repeat(4,1fr)}}
.the{background:var(--card);border:1px solid var(--line);border-radius:var(--r);padding:18px;box-shadow:var(--sh)}
.the h3{margin-bottom:.35em}.the p:last-child{margin-bottom:0}
.the .bieu{width:44px;height:44px;border-radius:12px;display:grid;place-items:center;background:var(--blue-bg);color:var(--navy2);margin-bottom:12px}
.the .bieu.vang{background:#fff4d6;color:#a26b00}.the .bieu.xanh{background:var(--ok-bg);color:var(--ok)}.the .bieu.tim{background:#f1ecfd;color:#6d3fd1}.the .bieu.do{background:var(--bad-bg);color:var(--bad)}
a.the{display:block;color:inherit;text-decoration:none!important;transition:transform .15s,box-shadow .15s}a.the:hover{transform:translateY(-2px);box-shadow:var(--sh2)}

/* Công cụ trên trang chủ */
.cc{background:#fff;border:1px solid var(--line);border-radius:var(--r2);box-shadow:var(--sh);overflow:hidden}
.cc-dau{display:flex;gap:6px;overflow-x:auto;padding:10px;border-bottom:1px solid var(--line);background:#fafbfd;scrollbar-width:none}
.cc-dau::-webkit-scrollbar{display:none}
.cc-tab{flex:none;display:inline-flex;align-items:center;gap:7px;border:1px solid var(--line);background:#fff;border-radius:11px;padding:9px 13px;font:inherit;font-weight:600;font-size:.9rem;color:var(--ink);cursor:pointer}
.cc-tab.dang{background:var(--navy);border-color:var(--navy);color:#fff}
.cc-than{padding:18px}
.vai-chon{display:grid;grid-template-columns:repeat(2,1fr);gap:8px;margin-bottom:16px}
@media(min-width:700px){.vai-chon{grid-template-columns:repeat(3,1fr)}}
@media(min-width:1000px){.vai-chon{grid-template-columns:repeat(6,1fr)}}
.vai-chon button{display:flex;flex-direction:column;align-items:flex-start;gap:6px;text-align:left;border:1.5px solid var(--line);background:#fff;border-radius:13px;padding:11px;font:inherit;font-size:.86rem;font-weight:600;color:var(--ink);cursor:pointer;min-height:84px}
.vai-chon button svg{color:var(--navy2)}
.vai-chon button.dang{border-color:var(--navy2);background:var(--blue-bg);box-shadow:inset 0 0 0 1px var(--navy2)}
.bd-xem{display:grid;gap:14px}
@media(min-width:900px){.bd-xem{grid-template-columns:1fr 1fr}}
.bd-cot h4{display:flex;align-items:center;gap:8px;font-size:.95rem;margin:0 0 10px}
.bd-muc{border:1px solid var(--line);border-radius:12px;padding:11px 13px;margin-bottom:8px;background:#fff}
.bd-muc b{display:block;font-size:.93rem}.bd-muc p{margin:3px 0 0;font-size:.86rem;color:#3d4659}
.bd-muc .cc-cc{display:block;font-size:.76rem;color:var(--gold2);font-weight:600;margin-top:5px}
.bd-muc .han-toi{float:right;font-size:.75rem;font-weight:700;color:var(--warn);background:var(--warn-bg);border-radius:8px;padding:2px 8px;margin-left:8px}
.o-nhap{display:grid;gap:12px}
@media(min-width:700px){.o-nhap.hai{grid-template-columns:1fr 1fr}}
label.n{display:block;font-weight:600;font-size:.9rem;color:#2c3446}
label.n small{display:block;font-weight:400;color:var(--mute);font-size:.8rem}
input[type=text],input[type=email],input[type=password],input[type=number],input[type=date],input[type=tel],input[type=search],select,textarea{width:100%;min-height:46px;border:1px solid #cfd6e3;border-radius:11px;padding:10px 12px;font:inherit;font-size:16px;color:var(--ink);background:#fff;margin-top:5px}
textarea{min-height:110px;resize:vertical}
input:focus,select:focus,textarea:focus{outline:2px solid rgba(36,81,166,.28);border-color:var(--navy2)}
.kq{margin-top:16px;border-radius:14px;background:linear-gradient(160deg,#f3f7ff,#fff);border:1px solid #d5e1f7;padding:16px;display:none}
.kq.co{display:block}
.kq .so{font-size:1.65rem;font-weight:800;color:var(--navy);line-height:1.2}
.kq .so-phu{color:var(--mute);font-size:.9rem}
.kq-the{display:grid;gap:8px;margin-top:10px}
@media(min-width:700px){.kq-the{grid-template-columns:repeat(3,1fr)}}
.kq-the div{background:#fff;border:1px solid var(--line);border-radius:11px;padding:10px 12px}
.kq-the small{display:block;color:var(--mute);font-size:.78rem}.kq-the b{font-size:1.05rem;color:var(--navy3)}
.dem-nguoc{display:flex;align-items:baseline;gap:10px;flex-wrap:wrap}
.dem-nguoc .lon{font-size:2.2rem;font-weight:800;color:var(--navy)}
.tra-cd{position:relative}
.tra-goi{display:flex;flex-wrap:wrap;gap:6px;margin:10px 0 0}
.tra-goi button{border:1px solid var(--line);background:#fff;border-radius:999px;padding:6px 12px;font:inherit;font-size:.83rem;cursor:pointer;color:var(--navy2);font-weight:600}

/* Ảnh minh hoạ giao diện (vẽ bằng HTML/CSS) */
.tinh-nang{display:grid;gap:22px}
.tn{display:grid;gap:18px;align-items:center;background:#fff;border:1px solid var(--line);border-radius:var(--r2);padding:20px;box-shadow:var(--sh)}
@media(min-width:900px){.tn{grid-template-columns:1fr 1fr;padding:30px}.tn.dao>.tn-chu{order:2}}
.tn ul{list-style:none;padding:0;margin:12px 0 0}.tn li{display:flex;gap:9px;margin-bottom:8px;font-size:.95rem}.tn li svg{color:var(--ok);margin-top:3px}
.mh{background:linear-gradient(150deg,#eef3fc,#f9fbff);border:1px solid #dbe4f3;border-radius:16px;padding:14px;min-height:220px}
.mh .dong{display:flex;align-items:center;gap:10px;background:#fff;border:1px solid var(--line);border-radius:11px;padding:9px 11px;margin-bottom:7px;font-size:.84rem}
.mh .dong .cham-tt{width:9px;height:9px;border-radius:50%;flex:none}
.mh .dong .phai{margin-left:auto;font-size:.72rem;font-weight:700;border-radius:7px;padding:2px 7px}
.mh .moc{position:relative;padding-left:22px;margin-bottom:10px;font-size:.84rem}
.mh .moc::before{content:"";position:absolute;left:5px;top:6px;width:9px;height:9px;border-radius:50%;background:var(--navy2)}
.mh .moc::after{content:"";position:absolute;left:9px;top:16px;bottom:-12px;width:1px;background:#c8d4ea}
.mh .moc:last-child::after{display:none}.mh .moc.han::before{background:var(--gold2)}
.mh .moc small{display:block;color:var(--mute);font-size:.72rem}

/* Bài viết */
.bai{display:flex;flex-direction:column;gap:6px;background:#fff;border:1px solid var(--line);border-radius:var(--r);padding:16px;color:inherit;text-decoration:none!important;box-shadow:var(--sh);transition:transform .15s}
.bai:hover{transform:translateY(-2px)}
.bai .nguon{font-size:.76rem;font-weight:700;color:var(--gold2);text-transform:uppercase;letter-spacing:.04em}
.bai b{color:var(--navy3);font-size:1rem;line-height:1.35}.bai span.mt{color:var(--mute);font-size:.86rem;display:-webkit-box;-webkit-line-clamp:3;-webkit-box-orient:vertical;overflow:hidden}

/* Bảng giá */
.gia-ky{display:inline-flex;background:#eef1f7;border-radius:12px;padding:4px;gap:4px;margin-bottom:18px}
.gia-ky button{border:0;background:none;padding:8px 16px;border-radius:9px;font:inherit;font-weight:700;color:var(--mute);cursor:pointer}
.gia-ky button.dang{background:#fff;color:var(--navy);box-shadow:var(--sh)}
.goi{position:relative;display:flex;flex-direction:column;background:#fff;border:1px solid var(--line);border-radius:var(--r2);padding:22px;box-shadow:var(--sh)}
.goi.noi{border:2px solid var(--navy2);box-shadow:var(--sh2)}
.goi .co{position:absolute;top:-12px;left:20px;background:var(--gold);color:var(--navy3);font-size:.75rem;font-weight:800;padding:3px 10px;border-radius:999px}
.goi .gia{font-size:1.9rem;font-weight:800;color:var(--navy3);line-height:1.1;margin:8px 0 2px}.goi .gia small{font-size:.9rem;font-weight:600;color:var(--mute)}
.goi ul{list-style:none;padding:0;margin:14px 0 18px;flex:1}.goi li{display:flex;gap:8px;margin-bottom:7px;font-size:.93rem}.goi li svg{color:var(--ok);margin-top:3px}
.goi .nut{margin-top:auto}

/* Hỏi đáp */
details.hd{background:#fff;border:1px solid var(--line);border-radius:12px;margin-bottom:8px;padding:0 16px}
details.hd summary{cursor:pointer;font-weight:700;padding:14px 0;list-style:none;display:flex;justify-content:space-between;gap:10px}
details.hd summary::after{content:"+";font-size:1.3rem;color:var(--navy2);line-height:1}
details.hd[open] summary::after{content:"–"}
details.hd p{color:#3d4659}

/* CTA cuối */
.cta-cuoi{background:linear-gradient(140deg,#16325c,#2451a6);color:#fff;border-radius:var(--r2);padding:28px 22px;display:grid;gap:16px;align-items:center}
.cta-cuoi h2{color:#fff}.cta-cuoi p{color:#d5def0;margin:0}
@media(min-width:900px){.cta-cuoi{grid-template-columns:1.4fr 1fr;padding:38px}}
.form-nhanh{display:grid;gap:8px}.form-nhanh input{margin:0;border:0}

/* Chân trang */
.chan{background:#0b1a33;color:#aab6cc;padding:42px 0 110px;font-size:.92rem}
.chan a{color:#dbe3f2}.chan h4{color:#fff;font-size:.95rem;margin-bottom:10px}
.chan .luoi{gap:26px}
@media(min-width:800px){.chan .luoi{grid-template-columns:1.4fr 1fr 1fr 1fr}.chan{padding-bottom:42px}}
.chan ul{list-style:none;padding:0;margin:0}.chan li{margin-bottom:7px}
.mien-tru{border-top:1px solid #1f3256;margin-top:26px;padding-top:16px;font-size:.82rem;color:#8796b0}

/* Thanh đáy (điện thoại) */
.day-dt{position:fixed;left:0;right:0;bottom:0;z-index:45;background:#fff;border-top:1px solid var(--line);display:flex;padding:6px 4px calc(6px + env(safe-area-inset-bottom));box-shadow:0 -6px 20px rgba(16,24,40,.06)}
.day-dt a{flex:1;display:flex;flex-direction:column;align-items:center;gap:2px;font-size:.68rem;font-weight:600;color:var(--mute);text-decoration:none!important;padding:3px 0;position:relative}
.day-dt a.dang{color:var(--navy2)}
.day-dt a i{position:absolute;top:-2px;left:calc(50% + 6px);background:#e5484d;color:#fff;font-style:normal;font-size:.6rem;font-weight:700;border-radius:9px;padding:0 5px;line-height:15px}
@media(min-width:980px){.day-dt.cong-khai{display:none}}

/* ══════════ ỨNG DỤNG ══════════ */
.app-dau{position:sticky;top:0;z-index:40;background:#fff;border-bottom:1px solid var(--line)}
.app-dau .w{display:flex;align-items:center;gap:10px;height:58px}
.app-dau .phai{margin-left:auto;display:flex;gap:6px;align-items:center}
.nut-tron{position:relative;display:inline-flex;align-items:center;gap:6px;border:1px solid var(--line);background:#fff;border-radius:11px;padding:7px 10px;color:var(--ink);font-weight:600;font-size:.85rem;text-decoration:none!important}
.nut-tron i{position:absolute;top:-6px;right:-6px;background:#e5484d;color:#fff;font-style:normal;font-size:.62rem;font-weight:700;border-radius:9px;padding:0 5px;line-height:16px}
.app-than{display:grid;gap:22px;padding-top:18px;padding-bottom:110px}
.app-ben{display:none}
@media(min-width:980px){
  .app-than{grid-template-columns:230px 1fr;padding-bottom:40px}
  .app-ben{display:block;position:sticky;top:76px;align-self:start}
  .app-ben a{display:flex;align-items:center;gap:10px;padding:10px 12px;border-radius:11px;color:var(--ink);font-weight:600;margin-bottom:3px}
  .app-ben a:hover{background:#eef2f9;text-decoration:none}.app-ben a.dang{background:var(--navy);color:#fff}
  .app-ben .nhom{font-size:.72rem;text-transform:uppercase;letter-spacing:.06em;color:var(--mute);margin:16px 12px 6px;font-weight:700}
  .day-dt.app{display:none}
}
.trang-tieu{display:flex;flex-wrap:wrap;align-items:center;gap:10px;margin-bottom:14px}
.trang-tieu h1{font-size:1.55rem;margin:0}.trang-tieu .phai{margin-left:auto;display:flex;gap:8px;flex-wrap:wrap}
.hop{background:#fff;border:1px solid var(--line);border-radius:var(--r);padding:16px;box-shadow:var(--sh);margin-bottom:14px}
.hop h2{font-size:1.1rem;display:flex;align-items:center;gap:8px}
.hop .tieu{display:flex;align-items:center;gap:8px;margin-bottom:10px}.hop .tieu h2{margin:0}.hop .tieu .phai{margin-left:auto}
.ds{list-style:none;margin:0;padding:0}
.ds>li{display:flex;gap:11px;align-items:flex-start;padding:11px 0;border-bottom:1px solid #eef1f6}.ds>li:last-child{border-bottom:0}
.ds .giua-dong{flex:1;min-width:0}.ds .giua-dong b{display:block;font-size:.96rem}.ds .giua-dong small{color:var(--mute);font-size:.82rem}
.ngay-o{flex:none;width:52px;text-align:center;border-radius:11px;background:var(--blue-bg);color:var(--navy2);font-weight:800;line-height:1.05;padding:6px 0}
.ngay-o small{display:block;font-size:.66rem;font-weight:600}
.ngay-o.gap{background:var(--warn-bg);color:var(--warn)}.ngay-o.qua{background:var(--bad-bg);color:var(--bad)}
.thong-diep{border-radius:12px;padding:12px 14px;margin-bottom:12px;font-size:.93rem}
.thong-diep.ok{background:var(--ok-bg);color:#14532d}.thong-diep.loi{background:var(--bad-bg);color:#7f1d1d}.thong-diep.tin{background:var(--blue-bg);color:#1e3a6e}.thong-diep.vang{background:var(--warn-bg);color:#7a4a05}
.chip-hang{display:flex;flex-wrap:wrap;gap:6px}
.thanh-dung{height:8px;background:#eef1f6;border-radius:9px;overflow:hidden}.thanh-dung span{display:block;height:100%;background:linear-gradient(90deg,var(--navy2),#4f7fd6)}
table.bang{width:100%;border-collapse:collapse;font-size:.9rem}
table.bang th,table.bang td{text-align:left;padding:9px 8px;border-bottom:1px solid #eef1f6;vertical-align:top}
table.bang th{font-size:.78rem;text-transform:uppercase;letter-spacing:.04em;color:var(--mute)}
.cuon-ngang{overflow-x:auto}
.so-bam{font-weight:800;color:var(--navy2)}
.o-so{display:grid;grid-template-columns:repeat(2,1fr);gap:10px}
@media(min-width:800px){.o-so{grid-template-columns:repeat(4,1fr)}}
.o-so>div{background:#fff;border:1px solid var(--line);border-radius:12px;padding:12px 14px}
.o-so>div small{display:block;color:var(--mute);font-size:.8rem}.o-so>div .so-bam{font-size:1.5rem}
.phan-trang{display:flex;flex-wrap:wrap;gap:6px;margin-top:14px;align-items:center}
.phan-trang a,.phan-trang b{min-width:36px;text-align:center;padding:6px 10px;border-radius:9px;border:1px solid var(--line);background:#fff}
.phan-trang b{background:var(--navy);color:#fff;border-color:var(--navy)}.pt-tong{color:var(--mute);font-size:.85rem;margin-left:6px}

/* Chat */
.chat{display:flex;flex-direction:column;background:#fff;border:1px solid var(--line);border-radius:var(--r);box-shadow:var(--sh);height:calc(100vh - 210px);min-height:440px}
.chat .luong{flex:1;overflow-y:auto;padding:14px;display:flex;flex-direction:column;gap:10px;background:#fafbfd}
.chat .b{max-width:86%;padding:10px 13px;border-radius:16px;font-size:.95rem;white-space:pre-wrap;word-wrap:break-word;line-height:1.55}
.chat .b.khach{align-self:flex-end;background:var(--navy);color:#fff;border-bottom-right-radius:5px}
.chat .b.ai{background:#fff;border:1px solid var(--line);border-bottom-left-radius:5px}
.chat .b.luat_su{background:#fff8e6;border:1px solid #f3dca0;border-bottom-left-radius:5px}
.chat .b.he_thong{align-self:center;background:#eef1f6;color:var(--mute);font-size:.82rem;border-radius:10px}
.chat .b .ai-ten{display:block;font-size:.72rem;font-weight:700;color:var(--navy2);margin-bottom:3px}
.chat .b.luat_su .ai-ten{color:#8a5a00}.chat .b .luc{display:block;font-size:.68rem;opacity:.65;margin-top:4px}
.chat form{display:flex;gap:8px;padding:10px;border-top:1px solid var(--line);background:#fff;border-radius:0 0 var(--r) var(--r)}
.chat textarea{min-height:46px;max-height:140px;margin:0;flex:1}
.chat .goi-y{display:flex;gap:6px;flex-wrap:wrap;padding:0 10px 10px;background:#fff}
.chat .goi-y button{border:1px solid var(--line);background:#fff;border-radius:999px;padding:6px 11px;font:inherit;font-size:.82rem;color:var(--navy2);cursor:pointer}
.dang-go{display:inline-flex;gap:4px}.dang-go i{width:7px;height:7px;border-radius:50%;background:#9aa5b8;animation:nhay 1s infinite}.dang-go i:nth-child(2){animation-delay:.15s}.dang-go i:nth-child(3){animation-delay:.3s}
@keyframes nhay{0%,80%,100%{opacity:.3}40%{opacity:1}}

/* Dải nhắc bật thông báo / cài app */
.dai-nhac{display:flex;gap:10px;align-items:center;background:linear-gradient(120deg,#fff7e2,#fff);border:1px solid #f3dca0;border-radius:14px;padding:12px 14px;margin-bottom:14px}
.dai-nhac .giua-dong{flex:1;font-size:.9rem}

/* Trang trơn (đăng nhập) */
.tron{min-height:100vh;display:flex;align-items:center;justify-content:center;padding:24px 16px;background:radial-gradient(900px 400px at 80% -10%,#dfe8fa,transparent),var(--bg)}
.tron .hop{width:100%;max-width:440px;padding:26px}
.tron .logo{justify-content:center;margin-bottom:18px}
.gach{display:flex;align-items:center;gap:10px;color:var(--mute);font-size:.85rem;margin:16px 0}.gach::before,.gach::after{content:"";flex:1;height:1px;background:var(--line)}

/* In */
@media print{.dau,.day-dt,.chan,.app-ben,.app-dau{display:none!important}}

/* ══════════════════════════════════════════════════════════════════════
   GIAODIEN_V2 (14/10/2026) — học nhịp aitraloi: khối gọn, tiêu đề có vạch vàng, thẻ màu nhạt theo chủ đề,
   app shell PWA có thanh đáy riêng, chat kiểu Messenger, gợi ý cài app. Khối này ĐÈ các quy tắc cũ phía trên.
   ══════════════════════════════════════════════════════════════════════ */
:root{--bg:#f4f6fb;--r:16px;--r2:22px;--sh:0 1px 2px rgba(16,24,40,.04),0 4px 16px rgba(16,24,40,.06);--sh2:0 16px 44px rgba(14,34,66,.16);
  --t-xanh-d:#eaf1fd;--c-xanh-d:#2451a6;--t-vang:#fff4d6;--c-vang:#9a6400;--t-tim:#f1ecfd;--c-tim:#6d3fd1;--t-xanh-l:#e7f6ee;--c-xanh-l:#15803d;
  --t-cam:#ffeedd;--c-cam:#b45309;--t-hong:#fdebf1;--c-hong:#be185d}
h1{font-size:clamp(1.75rem,6.4vw,3rem);line-height:1.18}
h2{font-size:clamp(1.3rem,4.6vw,1.9rem);line-height:1.25}
.nut{border-radius:12px}
.nut-lon{min-height:52px;padding:12px 22px;font-size:1.02rem}
.nut-chu{background:none;border:0;font:inherit;font-weight:600;font-size:.88rem;color:var(--mute);cursor:pointer;padding:6px 8px;display:inline-flex;align-items:center;gap:5px}
.nut-chu:hover{color:var(--navy)}
[hidden]{display:none!important}
body.khoa-cuon{overflow:hidden}
@media(max-width:979px){.an-dt{display:none!important}}
@media(min-width:980px){.chi-dt{display:none!important}}

/* ── Thanh đầu công khai ── */
.dau .w{height:60px;gap:10px}
.dau .logo{font-size:1.08rem}
.dau nav.chinh a.dang{color:var(--navy2);background:var(--blue-bg)}
.dau .phai .nut{min-height:40px;padding:7px 13px;font-size:.9rem;gap:6px}
@media(max-width:600px){.dau .logo small{display:none}.dau .phai .an-nho{display:none}.nut-menu{padding:8px 9px}.dau .logo svg{width:32px;height:32px}}
@media(max-width:430px){.dau .phai .nut-vien svg{display:none}.dau .phai .nut{padding:7px 11px}}
.logo span{white-space:nowrap}

/* ── Hero mới ── */
.hero2{position:relative;color:#fff;overflow:hidden;background:radial-gradient(900px 420px at 90% -20%,#3263c4 0,transparent 60%),radial-gradient(700px 380px at -20% 120%,#1f4a8f 0,transparent 60%),linear-gradient(165deg,#0e2242,#16325c 60%,#1b3c74)}
.hero2>.w:first-child{position:relative;z-index:1;display:grid;gap:30px;padding-top:30px;padding-bottom:22px}
.hero2 .nhan{display:inline-flex;align-items:center;gap:7px;background:rgba(242,193,78,.14);border:1px solid rgba(242,193,78,.42);color:#ffe3a1;padding:5px 12px;border-radius:999px;font-size:.8rem;font-weight:600;margin-bottom:14px}
.hero2 h1{color:#fff;margin-bottom:.4em}.hero2 h1 em{font-style:normal;color:var(--gold)}
.hero2 .dan{font-size:1.05rem;color:#d3dcee;max-width:560px;margin-bottom:20px}
.hero2 .cta{display:grid;gap:10px}
.hero2 .bao-dam{display:flex;flex-wrap:wrap;gap:6px 16px;color:#c3cee4;font-size:.84rem;margin-top:14px}
.hero2 .bao-dam span{display:inline-flex;align-items:center;gap:5px}.hero2 .bao-dam svg{color:var(--gold)}
.hero2-dt{display:none}
.so4{position:relative;z-index:1;display:grid;grid-template-columns:repeat(2,1fr);gap:10px;padding-bottom:30px}
.so4>div{background:#fff;color:var(--ink);border-radius:14px;padding:12px 14px;box-shadow:0 8px 24px rgba(0,0,0,.18)}
.so4 b{display:block;font-size:1.45rem;line-height:1.1;font-weight:800;color:var(--navy2)}
.so4>div:nth-child(2) b{color:#15803d}.so4>div:nth-child(3) b{color:#b45309}.so4>div:nth-child(4) b{color:#6d3fd1}
.so4 span{display:block;font-size:.8rem;color:var(--mute);line-height:1.35;margin-top:3px}
@media(min-width:620px){.hero2 .cta{display:flex;flex-wrap:wrap}}
@media(min-width:760px){.so4{grid-template-columns:repeat(4,1fr)}}
@media(min-width:980px){
  .hero2>.w:first-child{grid-template-columns:1.1fr .9fr;align-items:center;padding-top:56px;padding-bottom:40px}
  .hero2-dt{display:block;position:relative;justify-self:center}
  .so4{padding-bottom:44px}
}
/* điện thoại minh hoạ — khung chat thật thu nhỏ, chữ không tràn */
.dt2{width:340px;background:#0b1830;border-radius:40px;padding:10px;box-shadow:0 30px 80px rgba(0,0,0,.45),inset 0 0 0 2px #2a3d63}
.dt2>div{background:#fff}
.dt2-dau{display:flex;align-items:center;gap:9px;padding:30px 14px 10px;border-radius:30px 30px 0 0;border-bottom:1px solid var(--line);color:var(--ink)}
.dt2-dau .av{width:32px;height:32px}.dt2-dau b{display:block;font-size:.84rem;line-height:1.2}.dt2-dau small{font-size:.68rem;color:#15803d}
.dt2-than{background:#f4f6fb!important;padding:6px 10px 10px;display:flex;flex-direction:column;justify-content:flex-end;gap:2px;height:380px;overflow:hidden;color:var(--ink)}
.dt2-than .cv-b{font-size:.78rem;max-width:86%;padding:7px 10px 5px}
.dt2-than .cv-tep{padding:6px 8px}.dt2-than .bt{width:30px;height:36px;font-size:.58rem}.dt2-than .cv-tep b{font-size:.74rem}
.dt2-nhap{display:flex;align-items:center;gap:8px;padding:10px 12px 16px;border-radius:0 0 30px 30px;border-top:1px solid var(--line)}
.dt2-nhap span{flex:1;background:#f1f4f9;border-radius:20px;padding:8px 12px;font-size:.78rem;color:#8a93a6}
.dt2-nhap b{width:34px;height:34px;border-radius:50%;background:var(--navy);color:#fff;display:grid;place-items:center}
.tb-noi{position:absolute;left:-40px;right:30px;top:96px;z-index:3;background:rgba(255,255,255,.97);border-radius:16px;padding:10px 12px;box-shadow:0 14px 36px rgba(0,0,0,.3);display:flex;gap:10px;align-items:flex-start;font-size:.78rem;line-height:1.4;color:var(--ink);animation:roi 7s ease-in-out infinite}
.tb-noi b{display:block;font-size:.8rem}

/* ── Khối nội dung gọn ── */
.khoi2{padding:40px 0}.khoi2.trang{background:#fff}
.khoi2.dam{background:linear-gradient(165deg,#0e2242,#16325c);color:#dbe3f2}.khoi2.dam h2{color:#fff}
.tk{display:flex;align-items:center;gap:12px;margin-bottom:12px}
.tk h2{margin:0;padding-left:12px;border-left:4px solid var(--gold);font-size:clamp(1.25rem,4.4vw,1.7rem)}
.tk a{margin-left:auto;font-size:.88rem;font-weight:700;white-space:nowrap}
.tk-phu{color:var(--mute);margin:-2px 0 16px;max-width:680px;font-size:.95rem}
.mau{display:inline-block;font-size:.76rem;font-weight:800;letter-spacing:.07em;text-transform:uppercase;color:var(--gold);margin-bottom:6px}
@media(min-width:900px){.khoi2{padding:60px 0}}

/* thẻ màu theo chủ đề */
.xanh-d{--t:var(--t-xanh-d);--c:var(--c-xanh-d)}.vang{--t:var(--t-vang);--c:var(--c-vang)}.tim{--t:var(--t-tim);--c:var(--c-tim)}
.xanh-l{--t:var(--t-xanh-l);--c:var(--c-xanh-l)}.cam{--t:var(--t-cam);--c:var(--c-cam)}.hong{--t:var(--t-hong);--c:var(--c-hong)}
.vai-luoi{display:grid;grid-template-columns:repeat(2,1fr);gap:10px}
.vai-o{display:flex;flex-direction:column;gap:4px;background:var(--t,#f4f6fb);border:1px solid rgba(0,0,0,.04);border-radius:16px;padding:14px;color:var(--ink);text-decoration:none!important;transition:transform .15s,box-shadow .15s}
.vai-o:hover{transform:translateY(-2px);box-shadow:var(--sh)}
.vai-o .bieu{width:40px;height:40px;border-radius:12px;background:#fff;color:var(--c,var(--navy2));display:grid;place-items:center;margin-bottom:6px}
.vai-o b{font-size:.98rem;line-height:1.3;color:var(--navy3)}.vai-o small{font-size:.78rem;color:var(--mute)}
@media(min-width:760px){.vai-luoi{grid-template-columns:repeat(3,1fr)}}
@media(min-width:1100px){.vai-luoi{grid-template-columns:repeat(6,1fr)}}
.tn-luoi{display:grid;gap:10px}
.tn2{display:grid;grid-template-columns:44px 1fr;gap:4px 14px;align-items:start;background:var(--t);border-radius:16px;padding:16px}
.tn2 .bieu{grid-row:span 2;width:44px;height:44px;border-radius:12px;background:#fff;color:var(--c);display:grid;place-items:center}
.tn2 b{font-size:1.02rem;color:var(--navy3)}.tn2 p{margin:0;font-size:.9rem;color:#3d4659;line-height:1.5}
@media(min-width:700px){.tn-luoi{grid-template-columns:repeat(2,1fr)}}
@media(min-width:1100px){.tn-luoi{grid-template-columns:repeat(4,1fr)}.tn2{grid-template-columns:1fr}.tn2 .bieu{grid-row:auto;margin-bottom:6px}}

/* khối giới thiệu chat */
.chat-gt{display:grid;gap:26px;align-items:center}
.chat-gt h2{margin-bottom:14px}
.tich-ds{list-style:none;padding:0;margin:0 0 20px;display:grid;gap:9px}
.tich-ds li{display:flex;gap:10px;font-size:.95rem;color:#dbe3f2;line-height:1.45}.tich-ds svg{color:var(--gold);margin-top:3px}
.ds-demo{background:#fff;border-radius:20px;overflow:hidden;box-shadow:0 24px 60px rgba(0,0,0,.35);color:var(--ink);max-width:420px;width:100%;justify-self:center}
.ds-demo-dau{display:flex;align-items:center;justify-content:space-between;padding:14px 16px;border-bottom:1px solid var(--line)}
.ds-demo-dau b{font-size:1.1rem;color:var(--navy3)}
.nut-mini{background:var(--gold);color:var(--navy3);font-weight:700;font-size:.78rem;border-radius:9px;padding:5px 10px}
.hthoai-demo>div{display:flex;align-items:center;gap:11px;padding:11px 14px;border-bottom:1px solid #eef1f6}
.hthoai-demo>div:last-child{border-bottom:0}
.hthoai-demo .av{width:42px;height:42px}
.hthoai-demo .hg{flex:1;min-width:0}.hthoai-demo b{display:block;font-size:.88rem;white-space:nowrap;overflow:hidden;text-overflow:ellipsis}
.hthoai-demo .xt{display:block;font-size:.8rem;color:var(--mute);white-space:nowrap;overflow:hidden;text-overflow:ellipsis}
.hthoai-demo small{font-size:.7rem;color:var(--mute);flex:none}
.hthoai-demo .co-moi b,.hthoai-demo .co-moi .xt{color:var(--ink);font-weight:800}
.hthoai-demo .so{font-style:normal;background:#e5484d;color:#fff;font-size:.68rem;font-weight:800;border-radius:999px;min-width:19px;height:19px;display:grid;place-items:center;padding:0 5px;flex:none}
@media(min-width:900px){.chat-gt{grid-template-columns:1fr 1fr;gap:50px}}

/* ba bước */
.buoc3{list-style:none;margin:0;padding:0;display:grid;gap:10px}
.buoc3 li{display:flex;gap:14px;background:#fff;border:1px solid var(--line);border-radius:16px;padding:14px 16px;box-shadow:var(--sh)}
.buoc3 li>span{flex:none;width:34px;height:34px;border-radius:10px;background:var(--navy);color:var(--gold);font-weight:800;display:grid;place-items:center}
.buoc3 b{display:block;color:var(--navy3);margin-bottom:2px}.buoc3 p{margin:0;font-size:.9rem;color:var(--mute);line-height:1.5}
@media(min-width:900px){.buoc3{grid-template-columns:repeat(3,1fr)}}

/* bảng giá rút gọn */
.gia-ngan{display:grid;gap:10px}
.gia-hang{display:flex;align-items:center;gap:12px;background:#fff;border:1px solid var(--line);border-radius:16px;padding:14px 16px;color:var(--ink);text-decoration:none!important;box-shadow:var(--sh)}
.gia-hang.noi{border:2px solid var(--navy2)}
.gia-hang .ten{flex:1;min-width:0}.gia-hang .ten b{font-size:1.02rem;color:var(--navy3)}
.gia-hang .ten em{font-style:normal;margin-left:8px;background:var(--gold);color:var(--navy3);font-size:.68rem;font-weight:800;padding:2px 8px;border-radius:999px;vertical-align:2px}
.gia-hang .ten small{display:block;font-size:.8rem;color:var(--mute);margin-top:2px}
.gia-hang .tien{flex:none;text-align:right;font-weight:800;font-size:1.1rem;color:var(--navy3);line-height:1.1}.gia-hang .tien small{display:block;font-size:.72rem;font-weight:600;color:var(--mute)}
@media(min-width:900px){.gia-ngan{grid-template-columns:repeat(3,1fr)}.gia-hang{flex-direction:column;align-items:flex-start}.gia-hang .tien{text-align:left}}

/* hỏi đáp + ai đứng sau */
.luoi-hd{display:grid;gap:22px}
.ai-dung-sau{background:#fff;border:1px solid var(--line);border-radius:18px;padding:20px;box-shadow:var(--sh)}
.ai-dung-sau .bieu{width:44px;height:44px;border-radius:12px;background:var(--t-vang);color:var(--c-vang);display:grid;place-items:center;margin-bottom:10px}
.ai-dung-sau h3{font-size:1.1rem}.ai-dung-sau p{font-size:.92rem;color:#3d4659}
@media(min-width:900px){.luoi-hd{grid-template-columns:1.4fr 1fr;align-items:start}}
details.hd{border-radius:14px}
details.hd summary{font-size:.96rem;padding:13px 0}

/* bài đọc rút gọn */
.bai-ngan{display:grid;gap:8px}
.bai-ngan a{display:block;background:#fff;border:1px solid var(--line);border-radius:14px;padding:12px 14px;color:var(--ink);text-decoration:none!important}
.bai-ngan a:hover{border-color:#c6d3ea}
.bai-ngan .nguon{display:block;font-size:.7rem;font-weight:800;letter-spacing:.05em;text-transform:uppercase;color:var(--gold2);margin-bottom:2px}
.bai-ngan b{font-size:.95rem;line-height:1.4;color:var(--navy3);display:-webkit-box;-webkit-line-clamp:2;-webkit-box-orient:vertical;overflow:hidden}
@media(min-width:900px){.bai-ngan{grid-template-columns:repeat(2,1fr)}}
.cta-cuoi{padding:24px 20px}
.cta-cuoi h2{font-size:clamp(1.3rem,4.6vw,1.8rem)}

/* chân trang gọn */
.chan{padding:32px 0 calc(96px + env(safe-area-inset-bottom))}
.chan-dau p{margin:10px 0 0;font-size:.9rem}
.chan-cot{display:grid;grid-template-columns:1fr 1fr;gap:20px 16px;margin-top:22px}
.chan-cot h4{margin-bottom:8px;font-size:.9rem}.chan-cot li{margin-bottom:6px;font-size:.88rem}
.chan-cot .rong-2{grid-column:1/-1}.chan-cot ul.ngang{display:flex;flex-wrap:wrap;gap:6px 16px}.chan-cot ul.ngang li{margin:0}
@media(min-width:800px){.chan{padding-bottom:36px}.chan .w{display:grid;grid-template-columns:1fr 2fr;gap:30px}.chan-cot{grid-template-columns:1fr 1fr 1.4fr;margin-top:0}.chan-cot .rong-2{grid-column:auto}.chan-cot ul.ngang{display:block}.chan-cot ul.ngang li{margin-bottom:6px}.mien-tru{grid-column:1/-1}}

/* bảng giá đầy đủ */
.gia-ky{display:inline-flex;flex-wrap:nowrap}
.gia-ky button{white-space:nowrap;padding:8px 14px;font-size:.92rem}
.gia-ky em{font-style:normal;font-size:.75rem;background:var(--ok-bg);color:var(--ok);border-radius:999px;padding:1px 7px;margin-left:4px}
.goi{scroll-margin-top:80px}
.goi .gia{font-size:1.75rem}

/* thanh đáy chung */
.day-dt{padding:4px 2px calc(4px + env(safe-area-inset-bottom));background:rgba(255,255,255,.97);backdrop-filter:saturate(1.4) blur(12px)}
.day-dt a{gap:1px;font-size:.66rem;padding:4px 0 2px;line-height:1.2}
.day-dt a svg{padding:3px 14px;border-radius:14px;box-sizing:content-box;transition:background .15s}
.day-dt a.dang svg{background:var(--blue-bg)}
.day-dt a.noi-bat{color:var(--navy)}.day-dt a.noi-bat svg{background:var(--gold);color:var(--navy3)}
.day-dt a i{top:0;left:calc(50% + 4px);min-width:17px;text-align:center;font-size:.62rem;line-height:16px;border:2px solid #fff}

/* ══════════ ỨNG DỤNG — app shell ══════════ */
body.la-app{background:var(--bg)}
.app-dau{background:rgba(255,255,255,.96);backdrop-filter:saturate(1.4) blur(12px);padding-top:env(safe-area-inset-top)}
.app-dau .w{height:56px}
.app-dau .logo{min-width:0;font-size:1.08rem}
.ten-trang{white-space:nowrap;overflow:hidden;text-overflow:ellipsis;max-width:56vw}
.nut-tron i{min-width:18px;text-align:center;border:2px solid #fff}
.app-than{padding-top:14px;padding-bottom:calc(92px + env(safe-area-inset-bottom))}
.app-chinh{min-width:0}
.app-ben a{position:relative}
.app-ben a i{margin-left:auto;font-style:normal;background:#e5484d;color:#fff;font-size:.7rem;font-weight:800;border-radius:999px;min-width:20px;text-align:center;padding:0 6px;line-height:20px}
.app-ben a.dang i{background:var(--gold);color:var(--navy3)}
.trang-tieu h1{font-size:1.45rem}
.hop{border-radius:var(--r)}
.hop h2{font-size:1.05rem}
.dai-nhac{flex-wrap:wrap}.dai-nhac .giua-dong{min-width:180px}.dai-nhac .nut-doc{display:flex;gap:4px;align-items:center}
.the-xanh{background:linear-gradient(140deg,#16325c,#2451a6);color:#fff;border:0}.the-xanh h2{color:#fff}.the-xanh p{color:#d5def0;font-size:.92rem}
.bieu-nho{flex:none;width:36px;height:36px;border-radius:10px;background:var(--blue-bg);color:var(--navy2);display:grid;place-items:center}

/* Trang chủ app */
.chao{display:flex;align-items:flex-end;gap:10px;margin-bottom:14px}
.chao small{color:var(--mute);font-size:.82rem;font-weight:600}
.chao h1{font-size:1.5rem;margin:0}
.chao .nut{margin-left:auto}
.o-nhanh{display:grid;grid-template-columns:repeat(4,1fr);gap:8px;margin-bottom:14px}
.o-nhanh a{display:flex;flex-direction:column;align-items:center;gap:6px;text-align:center;background:#fff;border:1px solid var(--line);border-radius:16px;padding:12px 4px 10px;color:var(--ink);text-decoration:none!important;box-shadow:var(--sh)}
.o-nhanh .bieu{width:44px;height:44px;border-radius:14px;background:var(--t);color:var(--c);display:grid;place-items:center}
.o-nhanh b{font-size:.76rem;line-height:1.25;font-weight:700}
@media(min-width:980px){.o-nhanh{gap:12px}.o-nhanh a{flex-direction:row;padding:14px;text-align:left}.o-nhanh b{font-size:.92rem}}

/* ══════════ CHAT_V2 — danh sách hội thoại ══════════ */
.av{flex:none;width:40px;height:40px;border-radius:50%;display:grid;place-items:center;position:relative;font-weight:800;font-size:1rem}
.av.ai{background:linear-gradient(140deg,#16325c,#2f5fb8);color:var(--gold)}
.av.ls{background:linear-gradient(140deg,#f8d985,#e2a536);color:#3a2604}
.av .truc{position:absolute;right:0;bottom:0;width:12px;height:12px;border-radius:50%;background:#22c55e;border:2px solid #fff}
.av.lon{width:60px;height:60px}
.hthoai{list-style:none;margin:0;padding:0;background:#fff;border:1px solid var(--line);border-radius:var(--r);overflow:hidden;box-shadow:var(--sh)}
.hthoai li+li a{border-top:1px solid #eef1f6}
.hthoai a{display:flex;align-items:center;gap:12px;padding:12px 14px;color:var(--ink);text-decoration:none!important;transition:background .12s}
.hthoai a:hover,.hthoai a:active{background:#f6f8fc}
.hthoai .av{width:50px;height:50px}
.hthoai .hg{flex:1;min-width:0;display:block}
.hthoai .hg b{display:block;font-size:.98rem;white-space:nowrap;overflow:hidden;text-overflow:ellipsis;color:var(--navy3)}
.hthoai .xt{display:block;font-size:.86rem;color:var(--mute);white-space:nowrap;overflow:hidden;text-overflow:ellipsis}
.hthoai .co-moi .giua b,.hthoai .co-moi .xt{color:var(--ink);font-weight:800}
.hthoai .phai{display:flex;flex-direction:column;align-items:flex-end;gap:6px;flex:none}
.hthoai small{font-size:.74rem;color:var(--mute);white-space:nowrap}
.hthoai .so{background:#e5484d;color:#fff;font-style:normal;font-size:.72rem;font-weight:800;border-radius:999px;min-width:20px;height:20px;display:grid;place-items:center;padding:0 6px}
.hthoai.gon{border:0;box-shadow:none;margin:0 -6px}.hthoai.gon a{padding:9px 6px}.hthoai.gon .av{width:42px;height:42px}
.nhan-tt{display:inline-block;font-size:.7rem;font-weight:700;margin-top:4px;padding:1px 8px;border-radius:999px;background:#eef1f6;color:#4b5363}
.nhan-tt.cho_ls{background:var(--t-vang);color:var(--c-vang)}.nhan-tt.da_tra_loi{background:var(--ok-bg);color:var(--ok)}
.the-ls{display:flex;gap:12px;align-items:flex-start;margin-top:14px}.the-ls p{margin:4px 0 10px}

/* ══════════ CHAT_V2 — màn trò chuyện ══════════ */
.cv{display:flex;flex-direction:column;background:#fff;border:1px solid var(--line);border-radius:var(--r);overflow:hidden;position:relative;height:calc(100vh - 110px);height:calc(100dvh - 110px);min-height:420px;box-shadow:var(--sh)}
.ls-xem .cv{height:min(78dvh,760px)}
.cv-dau{display:flex;align-items:center;gap:10px;padding:8px 12px;border-bottom:1px solid var(--line);background:rgba(255,255,255,.97);min-height:62px;flex:none}
.cv-lui{display:flex;align-items:center;gap:0;color:var(--navy2);font-weight:700;font-size:.95rem;padding:8px 6px 8px 0;text-decoration:none!important;flex:none}
.cv-ten{flex:1;min-width:0;line-height:1.25}
.cv-ten b{display:block;white-space:nowrap;overflow:hidden;text-overflow:ellipsis;font-size:1rem;color:var(--navy3)}
.cv-ten small{display:block;color:var(--mute);font-size:.78rem;white-space:nowrap;overflow:hidden;text-overflow:ellipsis}
.cv-ten small.dang{color:#15803d;font-weight:600}
.cv-hs{flex:none;padding:6px 10px}
.cv-luong{flex:1;overflow-y:auto;padding:10px 12px 12px;background:#f4f6fb;display:flex;flex-direction:column;-webkit-overflow-scrolling:touch;overscroll-behavior:contain}
.cv-chao{align-self:center;text-align:center;max-width:360px;margin:10px auto 6px;display:flex;flex-direction:column;align-items:center;gap:6px}
.cv-chao b{color:var(--navy3)}.cv-chao p{font-size:.85rem;color:var(--mute);margin:0;line-height:1.5}.cv-chao small{font-size:.78rem;color:var(--mute)}
.cv-ngay{align-self:center;margin:14px 0 4px}
.cv-ngay span{font-size:.7rem;font-weight:700;color:var(--mute);background:#e6eaf2;border-radius:999px;padding:3px 10px}
.cv-b{max-width:82%;padding:8px 12px 5px;border-radius:20px;font-size:.95rem;line-height:1.5;position:relative;margin-top:8px;overflow-wrap:anywhere}
.cv-b.lien{margin-top:2px}
.cv-b .nd{white-space:pre-wrap}
.cv-b.toi{align-self:flex-end;background:linear-gradient(160deg,#2257b5,#16325c);color:#fff;border-bottom-right-radius:6px}
.cv-b.toi.lien{border-top-right-radius:6px}
.cv-b.kia{align-self:flex-start;background:#fff;border:1px solid #e3e7ef;border-bottom-left-radius:6px}
.cv-b.kia.lien{border-top-left-radius:6px}
.cv-b.kia.luat_su{background:#fff8e6;border-color:#f3dca0}
.cv-b .ten{display:block;font-size:.72rem;font-weight:700;color:var(--navy2);margin-bottom:2px}
.cv-b.kia.luat_su .ten{color:#8a5a00}
.cv-b .gio{display:block;text-align:right;font-size:.65rem;opacity:.6;margin-top:1px}
.cv-b.toi a{color:#fff;text-decoration:underline}
.cv-b.ht{align-self:center;background:#e9edf4;color:#4b5363;font-size:.82rem;border-radius:12px;max-width:92%;text-align:center;padding:7px 12px}
.cv-b.ht .gio{display:none}
.cv-b.tam{opacity:.75}.cv-b.toi.loi{background:#b91c1c}
.cv-tt{align-self:flex-end;font-size:.7rem;color:var(--mute);margin:3px 4px 0}.cv-tt.xem{color:var(--navy2);font-weight:700}
.cv-anh{display:block;margin:2px -6px 4px}
.cv-anh img{display:block;width:240px;max-width:100%;max-height:320px;object-fit:cover;border-radius:14px;background:#dfe5ef}
.cv-tep{display:flex;gap:10px;align-items:center;background:rgba(255,255,255,.16);border-radius:12px;padding:8px 10px;margin:2px 0 4px;color:inherit!important;text-decoration:none!important}
.cv-b.kia .cv-tep{background:#f1f4f9}
.bt{flex:none;width:36px;height:42px;border-radius:7px;background:#e5484d;color:#fff;font-size:.66rem;font-weight:800;display:grid;place-items:center}
.cv-tep b{display:block;font-size:.85rem;overflow-wrap:anywhere;line-height:1.3}.cv-tep small{font-size:.72rem;opacity:.75}
.dang-go-b{display:flex!important;align-items:center;gap:8px;padding:10px 12px!important}.dang-go-b small{color:var(--mute);font-size:.78rem}
.cv-goi-y{display:flex;gap:6px;overflow-x:auto;padding:8px 10px;background:#f4f6fb;scrollbar-width:none;flex:none}
.cv-goi-y::-webkit-scrollbar{display:none}
.cv-goi-y button{flex:none;border:1px solid #d5ddeb;background:#fff;border-radius:999px;padding:7px 12px;font:inherit;font-size:.83rem;color:var(--navy2);font-weight:600;cursor:pointer;white-space:nowrap}
.cv-nhap{display:flex;align-items:flex-end;gap:8px;padding:8px 10px;border-top:1px solid var(--line);background:#fff;flex:none}
.cv-kep{flex:none;display:flex;flex-direction:column;align-items:center;justify-content:center;width:46px;height:46px;border-radius:14px;color:var(--navy2);cursor:pointer;font-size:.62rem;font-weight:700;background:#eef2f9;line-height:1.1;gap:1px}
.cv-o{flex:1;min-width:0;background:#f1f4f9;border-radius:23px;border:1px solid transparent;transition:border-color .15s,background .15s}
.cv-o:focus-within{border-color:#b9c8e6;background:#fff}
.cv-o textarea{display:block;width:100%;min-height:46px;max-height:140px;margin:0;border:0;background:transparent;border-radius:23px;padding:12px 15px;resize:none;font-size:16px;line-height:1.35;outline:none!important}
.cv-tep-cho{display:flex;align-items:center;gap:8px;padding:8px 10px 0}
.cv-tep-cho img{width:44px;height:44px;object-fit:cover;border-radius:9px}
.cv-tep-cho .ten{flex:1;min-width:0;font-size:.82rem;font-weight:600;overflow:hidden;text-overflow:ellipsis;white-space:nowrap}
.cv-tep-cho small{display:block;color:var(--mute);font-weight:500}
.cv-gui{flex:none;height:46px;min-width:46px;border-radius:23px;border:0;background:var(--navy);color:#fff;display:flex;align-items:center;justify-content:center;gap:6px;padding:0 15px;font:inherit;font-weight:700;font-size:.92rem;cursor:pointer}
.cv-gui:hover{background:var(--navy2)}.cv-gui[disabled]{opacity:.5}
.cv-moi{position:absolute;left:50%;transform:translateX(-50%);bottom:76px;z-index:2;background:var(--navy);color:#fff;border:0;border-radius:999px;padding:8px 14px;font:inherit;font-size:.85rem;font-weight:700;box-shadow:var(--sh2);cursor:pointer}
.cv-dong{text-align:center;padding:14px;margin:0;color:var(--mute);font-size:.9rem;background:#fff;border-top:1px solid var(--line)}
@media(max-width:979px){
  body.toan-man{background:#fff}
  body.toan-man .app-dau,body.toan-man .day-dt{display:none}
  body.toan-man .app-than{padding:0}
  body.toan-man .app-chinh>.thong-diep{position:fixed;left:10px;right:10px;top:calc(70px + env(safe-area-inset-top));z-index:60;box-shadow:var(--sh2)}
  body.toan-man .cv{position:fixed;left:0;right:0;top:0;height:100vh;height:100dvh;border:0;border-radius:0;z-index:50;box-shadow:none;min-height:0}
  body.toan-man .cv-dau{padding-top:calc(8px + env(safe-area-inset-top))}
  body.toan-man .cv-nhap{padding-bottom:calc(8px + env(safe-area-inset-bottom))}
}
@media(min-width:980px){.cv-lui{display:none}.cv{height:calc(100dvh - 104px)}}

/* ══════════ Gợi ý cài app ══════════ */
.cai-nhac{position:fixed;left:10px;right:10px;bottom:calc(72px + env(safe-area-inset-bottom));z-index:55;background:#fff;border:1px solid var(--line);border-radius:18px;box-shadow:0 18px 50px rgba(14,34,66,.28);padding:12px;display:flex;gap:12px;align-items:center;animation:len .35s ease}
.cai-nhac .chu{flex:1;min-width:0}
.cai-nhac .chu b{display:block;font-size:.9rem;line-height:1.3;color:var(--navy3)}
.cai-nhac .chu span{display:block;font-size:.78rem;color:var(--mute);line-height:1.35;margin-top:2px}
.cai-nhac .nut-hang{display:flex;flex-direction:column;align-items:stretch;gap:0;flex:none}
.cai-nhac .nut-hang .nut-chu{justify-content:center;font-size:.8rem;padding:4px}
@keyframes len{from{opacity:0;transform:translateY(16px)}to{opacity:1;transform:none}}
@media(min-width:980px){.cai-nhac{left:auto;right:24px;bottom:24px;width:440px}}
.cai-ios{position:fixed;inset:0;z-index:70;background:rgba(10,20,40,.55);display:flex;align-items:flex-end;justify-content:center}
.cai-ios .tam{background:#fff;width:100%;max-width:480px;border-radius:24px 24px 0 0;padding:16px 18px calc(18px + env(safe-area-inset-bottom));max-height:94vh;overflow:auto;animation:len .3s ease}
@media(min-width:600px){.cai-ios{align-items:center}.cai-ios .tam{border-radius:24px}}
.dau-tam{display:flex;align-items:center;justify-content:space-between;gap:10px;margin-bottom:4px}.dau-tam b{font-size:1.12rem;color:var(--navy3)}
.ios-buoc{list-style:none;padding:0;margin:12px 0 16px;display:grid;gap:16px}
.ios-buoc li{display:flex;gap:12px}
.ios-buoc .so{flex:none;width:28px;height:28px;border-radius:50%;background:var(--navy);color:#fff;font-weight:800;display:grid;place-items:center;font-size:.85rem;margin-top:1px}
.ios-buoc li>div{flex:1;min-width:0;font-size:.93rem;line-height:1.45}
.mh-ios{display:block;margin-top:8px;border-radius:14px;background:#f2f3f7;border:1px solid #e1e4ec;padding:10px;font-size:.82rem;color:#222}
.mh-safari .url{display:flex;align-items:center;justify-content:center;gap:5px;background:#fff;border-radius:10px;padding:6px;color:#333;font-size:.8rem}
.mh-safari .thanh{display:flex;justify-content:space-around;align-items:center;margin-top:8px;color:#2f7cf6}
.mh-safari i{font-style:normal;font-size:1.4rem;line-height:1;display:grid;place-items:center;width:42px;height:36px;border-radius:10px}
.mh-safari i.noi{background:#dbe8ff;box-shadow:0 0 0 2px #2f7cf6;animation:nhay2 1.4s ease-in-out infinite}
@keyframes nhay2{0%,100%{transform:scale(1)}50%{transform:scale(1.12)}}
@media(prefers-reduced-motion:reduce){.mh-safari i.noi{animation:none}}
.mh-menu{padding:0;overflow:hidden;background:#fff}
.mh-menu span{display:flex;justify-content:space-between;align-items:center;padding:10px 12px;border-bottom:1px solid #eceef3}
.mh-menu span:last-child{border-bottom:0}.mh-menu .noi{background:#dbe8ff;font-weight:700;color:#0b4fc4}
.mh-them .dau{display:flex;justify-content:space-between;align-items:center;font-size:.78rem;padding-bottom:8px;border-bottom:1px solid #e1e4ec;color:#2f7cf6;gap:6px}
.mh-them .dau b{color:#111;font-size:.8rem}.mh-them .dau .noi{font-weight:800;background:#dbe8ff;border-radius:8px;padding:2px 8px}
.mh-them .hang{display:flex;align-items:center;gap:10px;padding-top:10px;font-weight:600}.mh-them .hang small{display:block;color:#888;font-weight:400}
.trang-cai .ios-buoc{margin-top:6px}

/* sửa sau ảnh chụp lượt 1 */
.app-dau .logo{flex:1}.nut-tron{flex:none;white-space:nowrap}
.nhan-tt{max-width:100%;overflow:hidden;text-overflow:ellipsis;white-space:nowrap;vertical-align:top}
body.toan-man .app-chinh>.thong-diep{transition:opacity .4s}
body.toan-man .app-chinh>.thong-diep.mo-di{opacity:0;pointer-events:none}
.luoi>*{min-width:0}
@media(min-width:980px){.app-than{padding-bottom:32px}.cv{height:calc(100vh - 104px);height:calc(100dvh - 104px)}body.toan-man .app-than{padding-bottom:16px}}
.dai-nhac{align-items:flex-start}.dai-nhac>svg{margin-top:2px}.dai-nhac .giua-dong{flex:1 1 calc(100% - 40px);overflow-wrap:anywhere}
.dai-nhac>form,.dai-nhac>.nut-doc,.dai-nhac>a.nut{margin-left:auto}
@media(min-width:700px){.dai-nhac{align-items:center}.dai-nhac .giua-dong{flex:1 1 0}}

/* ══ BANGGIA_VDD_v2 — thẻ dịch vụ luật sư đối tác VDD Lawyers (hồ sơ, chat, vai trò, /dich-vu-luat-su, /gia) ══ */
.dvl{background:#fffdf6;border:1px solid #f0dca6;border-radius:var(--r);padding:14px 16px;box-shadow:var(--sh);margin-bottom:14px}
.dvl-dau{display:flex;flex-direction:column;gap:6px;margin-bottom:6px}.dvl-dau b{color:var(--navy3);font-size:1.02rem;line-height:1.35}
.dvl-nhan{align-self:flex-start;display:inline-flex;align-items:center;gap:6px;background:var(--t-vang);color:var(--c-vang);font-size:.74rem;font-weight:700;padding:3px 10px;border-radius:999px;letter-spacing:.01em}
.dvl-dong{padding:10px 0;border-top:1px dashed #ecdcb4}.dvl-dau+.dvl-dong{border-top:0}
.dvl-ten{display:flex;flex-wrap:wrap;gap:2px 12px;align-items:baseline;justify-content:space-between}
.dvl-ten b{color:var(--ink);font-weight:700;flex:1 1 200px;line-height:1.4}
.dvl-phi{color:#8a5a00;font-weight:800;font-size:.98rem;flex:0 1 auto;overflow-wrap:anywhere}
.dvl p{font-size:.9rem;color:var(--mute);margin:4px 0 8px;line-height:1.5}
.dvl .nut{margin-top:2px}
.dvl-luuy{font-size:.8rem!important;color:var(--mute);line-height:1.5;margin:8px 0 4px!important}
.dvl-cuoi{font-size:.84rem!important;margin:4px 0 0!important}.dvl-cuoi a{font-weight:700}
.dvl-mot{margin:0;display:flex;flex-direction:column}.dvl-mot p{flex:1}.dvl-mot .nut{align-self:flex-start}
.dvl-nhom{font-size:1.15rem;margin:26px 0 12px;padding-left:10px;border-left:4px solid var(--gold)}
.dvl-loc{margin:0 0 6px}
.cv-dv{align-self:flex-start;width:min(92%,460px);margin-top:6px}
.cv-dv .dvl{margin:0;padding:12px 13px;border-radius:16px;box-shadow:none}
.cv-dv .dvl-dau b{font-size:.92rem}.cv-dv .dvl p{font-size:.85rem}.cv-dv .dvl-phi{font-size:.92rem}
.dvl-tang{margin-top:30px;background:#fff;border:2px solid #f0dca6;border-radius:var(--r2);padding:20px 18px}
.dvl-tang-dau h2{margin:8px 0 6px}.dvl-tang-dau p{color:var(--mute)}
.dvl-tang-nhom{margin:18px 0 10px;font-size:1.02rem;color:var(--navy2)}
.dvl-goi .gia{font-size:1.6rem}
@media(max-width:520px){.dvl-phi{flex:1 1 100%}.dvl-tang{padding:16px 14px}}

/* ══ DRAWER_V2 (ANHBAI_V1) — học aitraloi: nút tài khoản, lưới ô emoji, chủ đề bài viết có emoji + số bài ══ */
.drawer .tam.dr2{padding:14px 14px 40px;width:min(88vw,360px);display:flex;flex-direction:column}
.dr2-dau{display:flex;align-items:center;justify-content:space-between;margin:0 0 12px}
.dr-tk{display:flex;align-items:center;gap:12px;background:var(--navy);color:#fff!important;border-radius:14px;padding:13px 14px;margin-bottom:12px;text-decoration:none!important}
.dr-tk svg{flex:none;color:var(--gold)}
.dr-tk span{display:flex;flex-direction:column;flex:1;line-height:1.3;min-width:0}
.dr-tk b{font-size:1rem}.dr-tk em{font-style:normal;font-size:.78rem;opacity:.85}
.dr-tk i{font-style:normal;font-size:22px;opacity:.8}
.dr-o{display:grid;grid-template-columns:repeat(2,minmax(0,1fr));gap:8px}
.dr-o-o{display:flex;flex-direction:column;justify-content:space-between;gap:6px;min-height:78px;padding:11px 12px;border-radius:14px;background:var(--t);border:1px solid rgba(0,0,0,.04);color:var(--navy3)!important;text-decoration:none!important;font-weight:700;font-size:.9rem;line-height:1.25}
.dr-o-o.dang{box-shadow:inset 0 0 0 2px var(--c)}
.dr-o-bt{font-size:22px;line-height:1}
.drawer .dr-nhom{display:flex;align-items:baseline;justify-content:space-between;gap:8px;margin:18px 4px 6px;font-size:.74rem;font-weight:800;letter-spacing:.06em;text-transform:uppercase;color:var(--mute)}
.drawer .dr-nhom a{font-size:.8rem;letter-spacing:0;text-transform:none;font-weight:700}
.dr-ds{display:flex;flex-direction:column}
.dr-ds a{display:flex;align-items:center;gap:11px;padding:10px 6px;border-radius:10px;color:var(--ink)!important;font-size:.95rem;font-weight:600;text-decoration:none!important}
.dr-ds a:hover,.dr-ds a:active{background:#f1f4f9}
.dr-bt{font-size:19px;width:26px;text-align:center;flex:none;line-height:1}
.dr-ten{flex:1;min-width:0;line-height:1.3}
.dr-dem{flex:none;font-size:.78rem;font-weight:700;color:var(--navy2);background:var(--blue-bg);border-radius:999px;padding:1px 9px}
.drawer .dr2>.nut{margin-top:16px}