@font-face{font-family:"Space Grotesk";font-weight:500;font-display:swap;src:url(../fonts/sg500la.woff2) format("woff2");unicode-range:U+0000-00FF,U+0131,U+0152-0153,U+02BB-02BC,U+02C6,U+02DA,U+02DC,U+0304,U+0308,U+0329,U+2000-206F,U+20AC,U+2122,U+2191,U+2193,U+2212,U+2215,U+FEFF,U+FFFD}
@font-face{font-family:"Space Grotesk";font-weight:500;font-display:swap;src:url(../fonts/sg500vi.woff2) format("woff2");unicode-range:U+0102-0103,U+0110-0111,U+0128-0129,U+0168-0169,U+01A0-01A1,U+01AF-01B0,U+0300-0301,U+0303-0304,U+0308-0309,U+0323,U+0329,U+1EA0-1EF9,U+20AB}
@font-face{font-family:"Space Grotesk";font-weight:700;font-display:swap;src:url(../fonts/sg700la.woff2) format("woff2");unicode-range:U+0000-00FF,U+0131,U+0152-0153,U+02BB-02BC,U+02C6,U+02DA,U+02DC,U+0304,U+0308,U+0329,U+2000-206F,U+20AC,U+2122,U+2191,U+2193,U+2212,U+2215,U+FEFF,U+FFFD}
@font-face{font-family:"Space Grotesk";font-weight:700;font-display:swap;src:url(../fonts/sg700vi.woff2) format("woff2");unicode-range:U+0102-0103,U+0110-0111,U+0128-0129,U+0168-0169,U+01A0-01A1,U+01AF-01B0,U+0300-0301,U+0303-0304,U+0308-0309,U+0323,U+0329,U+1EA0-1EF9,U+20AB}
@font-face{font-family:"Manrope";font-weight:400;font-display:swap;src:url(../fonts/mr400la.woff2) format("woff2");unicode-range:U+0000-00FF,U+0131,U+0152-0153,U+02BB-02BC,U+02C6,U+02DA,U+02DC,U+0304,U+0308,U+0329,U+2000-206F,U+20AC,U+2122,U+2191,U+2193,U+2212,U+2215,U+FEFF,U+FFFD}
@font-face{font-family:"Manrope";font-weight:400;font-display:swap;src:url(../fonts/mr400vi.woff2) format("woff2");unicode-range:U+0102-0103,U+0110-0111,U+0128-0129,U+0168-0169,U+01A0-01A1,U+01AF-01B0,U+0300-0301,U+0303-0304,U+0308-0309,U+0323,U+0329,U+1EA0-1EF9,U+20AB}
@font-face{font-family:"Manrope";font-weight:600;font-display:swap;src:url(../fonts/mr600la.woff2) format("woff2");unicode-range:U+0000-00FF,U+0131,U+0152-0153,U+02BB-02BC,U+02C6,U+02DA,U+02DC,U+0304,U+0308,U+0329,U+2000-206F,U+20AC,U+2122,U+2191,U+2193,U+2212,U+2215,U+FEFF,U+FFFD}
@font-face{font-family:"Manrope";font-weight:600;font-display:swap;src:url(../fonts/mr600vi.woff2) format("woff2");unicode-range:U+0102-0103,U+0110-0111,U+0128-0129,U+0168-0169,U+01A0-01A1,U+01AF-01B0,U+0300-0301,U+0303-0304,U+0308-0309,U+0323,U+0329,U+1EA0-1EF9,U+20AB}
@font-face{font-family:"Manrope";font-weight:800;font-display:swap;src:url(../fonts/mr800la.woff2) format("woff2");unicode-range:U+0000-00FF,U+0131,U+0152-0153,U+02BB-02BC,U+02C6,U+02DA,U+02DC,U+0304,U+0308,U+0329,U+2000-206F,U+20AC,U+2122,U+2191,U+2193,U+2212,U+2215,U+FEFF,U+FFFD}
@font-face{font-family:"Manrope";font-weight:800;font-display:swap;src:url(../fonts/mr800vi.woff2) format("woff2");unicode-range:U+0102-0103,U+0110-0111,U+0128-0129,U+0168-0169,U+01A0-01A1,U+01AF-01B0,U+0300-0301,U+0303-0304,U+0308-0309,U+0323,U+0329,U+1EA0-1EF9,U+20AB}

:root{
--tl:#0f766e;--tl-d:#115e59;--tl-m:#14b8a6;--tl-l:#ccfbf1;--mint:#f0fdfa;
--rs:#e11d48;--rs-m:#f43f5e;--rs-l:#ffe4e6;
--ink:#0f172a;--tx:#334155;--mu:#5f6b7a;--ln:#e2e8e6;--pg:#f4f7f6;--wh:#fff;
--hd:"Space Grotesk",system-ui,sans-serif;--bd:"Manrope",system-ui,-apple-system,"Segoe UI",Roboto,sans-serif;
--rad:16px;--pad:32px;--rail:256px;--tb:0px;
--lift:0 1px 2px rgba(15,23,42,.04),0 10px 28px -16px rgba(15,118,110,.28)
}
*,*::before,*::after{box-sizing:border-box}
html{-webkit-text-size-adjust:100%;scroll-behavior:smooth;scroll-padding-top:24px}
body{margin:0;background:var(--pg);color:var(--tx);font:400 16px/1.6 var(--bd);overflow-x:hidden;padding-bottom:var(--tb)}
img,svg,video,iframe{max-width:100%;height:auto}
iframe{border:0}
a{color:var(--tl);text-underline-offset:3px}
a:hover{color:var(--tl-d)}
h1,h2,h3,h4{font-family:var(--hd);font-weight:700;color:var(--ink);line-height:1.25;letter-spacing:-.015em;margin:0 0 .55em}
button,input,textarea{font:inherit;color:inherit}
button{cursor:pointer}
:focus-visible{outline:3px solid var(--rs-m);outline-offset:2px;border-radius:6px}
.sr{position:absolute!important;width:1px;height:1px;overflow:hidden;clip:rect(0 0 0 0);white-space:nowrap}
.skipto{position:absolute;left:10px;top:-60px;z-index:99;padding:10px 16px;border-radius:10px;background:var(--ink);color:#fff}
.skipto:focus{top:10px;color:#fff}
.i{flex:none}

.btn{display:inline-flex;align-items:center;justify-content:center;gap:8px;min-height:46px;padding:0 18px;border:0;border-radius:12px;background:var(--tl);color:#fff;font-weight:700;font-size:15px;text-decoration:none;transition:background .15s,transform .15s}
.btn:hover{background:var(--tl-d);color:#fff}
.btn:active{transform:translateY(1px)}
.btn--line{background:#fff;color:var(--tl);box-shadow:inset 0 0 0 1.5px #a7d8d1}
.btn--line:hover{background:var(--mint);color:var(--tl-d)}

/* khung ứng dụng: rail trái + vùng nội dung */
.app{display:grid;grid-template-columns:var(--rail) minmax(0,1fr);min-height:100vh}
.rail{position:sticky;top:0;height:100vh;overflow-y:auto;display:flex;flex-direction:column;gap:18px;padding:22px 16px;background:#fff;border-right:1px solid var(--ln)}
.logo{display:inline-flex;align-items:center;gap:10px;color:var(--ink);text-decoration:none;font:700 18px/1.15 var(--hd);min-width:0}
.logo span{overflow:hidden;text-overflow:ellipsis;white-space:nowrap}
.custom-logo{max-height:44px;width:auto}
.rail__menu{list-style:none;margin:0;padding:0;display:grid;gap:2px}
.rail__menu a{display:flex;align-items:center;gap:12px;min-height:44px;padding:0 12px;border-radius:12px;color:var(--tx);text-decoration:none;font-weight:600;font-size:15px}
.rail__menu a .i{color:#7c8b98}
.rail__menu a:hover{background:var(--pg);color:var(--ink)}
.rail__menu .current-menu-item>a{background:var(--mint);color:var(--tl-d);box-shadow:inset 3px 0 0 var(--tl)}
.rail__menu .current-menu-item>a .i{color:var(--tl)}
.rail__saved{margin-top:auto;display:flex;align-items:center;gap:10px;min-height:46px;padding:0 14px;border-radius:12px;background:var(--rs-l);color:#9f1239;text-decoration:none;font-weight:700;font-size:15px}
.rail__saved b,.bar__saved b{margin-left:auto;min-width:24px;height:24px;padding:0 7px;border-radius:12px;background:var(--rs);color:#fff;font-size:13px;line-height:24px;text-align:center}
.seek{display:flex;align-items:center;border:1.5px solid var(--ln);border-radius:12px;background:#fff;overflow:hidden}
.seek:focus-within{border-color:var(--tl-m)}
.seek input{flex:1;min-width:0;height:44px;padding:0 12px;border:0;outline:none;background:none;font-size:15px}
.seek button{display:grid;place-items:center;width:44px;height:44px;border:0;background:none;color:var(--tl)}
.stage{min-width:0;display:flex;flex-direction:column}
.bar{display:none}
.main{flex:1;width:100%;max-width:1180px;margin:0 auto;padding:28px var(--pad) 10px}

/* bàn ghép */
.bench{background:#fff;border:1px solid var(--ln);border-radius:22px;box-shadow:var(--lift);overflow:hidden}
.bench__top{padding:26px 28px 18px;border-bottom:1px solid var(--ln);background:linear-gradient(120deg,var(--mint),#fff 60%)}
.bench__h{font-size:clamp(25px,3.2vw,36px);margin-bottom:6px}
.bench__sub{margin:0;color:var(--mu);font-size:16px;max-width:680px}
.bench__grid{display:grid;grid-template-columns:400px minmax(0,1fr)}
.pane{padding:22px 24px;min-width:0}
.pane--build{background:var(--mint);border-right:1px solid #d5ece8}
.pane__lb{margin:16px 0 8px;font-size:14px;font-weight:800;color:var(--tl-d);text-transform:uppercase;letter-spacing:.04em}
.namebox label{display:block;font-size:14px;font-weight:800;color:var(--tl-d);text-transform:uppercase;letter-spacing:.04em;margin-bottom:8px}
.namebox__f{display:flex;align-items:center;gap:8px;padding:0 6px 0 12px;border-radius:14px;background:#fff;border:1.5px solid #bfe3dd;color:var(--mu)}
.namebox__f:focus-within{border-color:var(--tl)}
.namebox__f input{flex:1;min-width:0;height:52px;border:0;outline:none;background:none;font-size:18px;font-weight:700;color:var(--ink)}
.namebox__x{display:grid;place-items:center;width:40px;height:40px;border:0;border-radius:10px;background:none;color:var(--mu)}
.namebox__x:hover{background:var(--rs-l);color:var(--rs)}
.namebox__go{display:flex;align-items:center;justify-content:center;gap:8px;width:100%;min-height:50px;margin-top:10px;border:0;border-radius:14px;background:var(--ink);color:#fff;font-weight:800;font-size:16px}
.namebox__go:hover{background:#1e293b}
.namebox__go:disabled{opacity:.65;cursor:progress}
.for{display:flex;flex-wrap:wrap;gap:6px;margin-top:12px}
.for__b{min-height:38px;padding:0 12px;border-radius:10px;border:1px solid #bfe3dd;background:#fff;font-size:14px;font-weight:700;color:var(--tl-d)}
.for__b[aria-checked=true]{background:var(--tl);border-color:var(--tl);color:#fff}
.wraps{display:grid;grid-template-columns:repeat(auto-fill,minmax(82px,1fr));gap:6px}
.wraps__b{min-height:42px;padding:4px 6px;border-radius:10px;border:1px solid #cfe7e2;background:#fff;font-size:15px;white-space:nowrap;overflow:hidden;text-overflow:ellipsis}
.wraps__b:hover{border-color:var(--tl-m)}
.wraps__b[aria-checked=true]{border-color:var(--rs);background:var(--rs-l);color:#9f1239;font-weight:700}
.spacer-pick .pane__lb{display:block}
.seg{display:flex;padding:4px;border-radius:12px;background:#dff3ef;gap:4px}
.seg__b{flex:1;min-height:38px;border:0;border-radius:9px;background:none;font-size:14px;font-weight:700;color:var(--tl-d)}
.seg__b[aria-checked=true]{background:#fff;box-shadow:0 2px 6px -3px rgba(15,118,110,.5)}
.proof{margin-top:18px;padding:16px;border-radius:16px;background:#fff;border:1.5px dashed #9fd5cc}
.proof__lb{display:flex;justify-content:space-between;margin:0 0 8px;font-size:14px;font-weight:800;color:var(--mu)}
.proof__len{font-weight:700;color:var(--tl)}
.proof__len.warn{color:var(--rs)}
.proof__out{display:block;min-height:56px;padding:6px 0;font-size:clamp(21px,2.4vw,26px);font-weight:600;color:var(--ink);text-align:center;overflow-wrap:anywhere;line-height:1.4}
.proof__out.pop{animation:kypop .3s ease}
@keyframes kypop{0%{transform:scale(.96);opacity:.4}100%{transform:none;opacity:1}}
.proof__acts{display:grid;grid-template-columns:1fr auto;gap:8px;margin-top:10px}
.proof__acts .btn{white-space:nowrap;padding:0 14px}
.pane__head{display:flex;flex-wrap:wrap;align-items:center;justify-content:space-between;gap:8px 14px;margin-bottom:12px}
.pane__h{font-size:20px;margin:0}
.pane__h b{color:var(--tl)}
.rates{display:flex;flex-wrap:wrap;gap:6px}
.rt{display:inline-flex;align-items:center;gap:5px;min-height:38px;padding:0 11px;border-radius:10px;border:1px solid var(--ln);background:#fff;font-size:14px;font-weight:700}
.rt.on{border-color:var(--tl);background:var(--mint);color:var(--tl-d)}
.rates>span{color:var(--mu);font-size:15px}
.styles{display:flex;gap:6px;overflow-x:auto;padding-bottom:8px;margin-bottom:6px;scrollbar-width:thin}
.styles[hidden]{display:none}
.styles__b{flex:none;min-height:40px;padding:0 14px;border-radius:999px;border:1px solid var(--ln);background:#fff;font-size:14px;font-weight:700;color:var(--tx);white-space:nowrap}
.styles__b[aria-selected=true]{background:var(--ink);border-color:var(--ink);color:#fff}
.lines{list-style:none;margin:0;padding:0;counter-reset:ln;border-top:1px solid var(--ln);transition:opacity .2s}
.lines.wait{opacity:.4}
.ln{display:grid;grid-template-columns:34px minmax(0,1fr) auto auto;align-items:center;gap:8px;min-height:56px;padding:6px 0;border-bottom:1px solid var(--ln);counter-increment:ln}
.ln::before{content:counter(ln);font:700 13px var(--hd);color:#94a3b8;text-align:center}
.ln__t{font-size:18px;color:var(--ink);overflow-wrap:anywhere}
.ln__m,.ln__c{display:inline-flex;align-items:center;gap:5px;min-height:40px;padding:0 11px;border-radius:10px;border:0;font-size:14px;font-weight:700}
.ln__m{background:var(--mint);color:var(--tl-d)}
.ln__m:hover{background:var(--tl-l)}
.ln__c{background:var(--ink);color:#fff}
.ln__c:hover{background:var(--tl)}
.ln__c.is-copied{background:var(--rs)}
.ln.hl{background:linear-gradient(90deg,var(--rs-l),transparent)}
.lines__empty{margin:10px 0 0;padding:16px;border-radius:12px;background:var(--pg);color:var(--mu)}
.bench__more{display:grid;gap:20px;padding:22px 24px;border-top:1px solid var(--ln);background:#fbfdfc}
.bench__more[hidden]{display:none}
.mo-h{font:700 17px/1.3 var(--hd);color:var(--ink);margin:0 0 10px}
.mo-h small{font:600 14px var(--bd);color:var(--mu)}
.mo-chips,.mo-links{display:flex;flex-wrap:wrap;gap:6px}
.mo-chip{display:inline-flex;align-items:center;gap:6px;min-height:42px;padding:0 13px;border-radius:10px;border:1px solid var(--ln);background:#fff;font-size:17px}
.mo-chip small{font-size:13px;color:var(--mu)}
.mo-links a{display:inline-flex;align-items:center;min-height:40px;padding:0 13px;border-radius:10px;background:var(--mint);font-weight:700;font-size:14px;text-decoration:none}
.mo-list{display:grid;grid-template-columns:repeat(auto-fill,minmax(220px,1fr));gap:6px}
.mo-nick{display:flex;border:1px solid var(--ln);border-radius:10px;background:#fff;overflow:hidden}
.mo-nick>button:first-child{flex:1;min-width:0;padding:9px 12px;border:0;background:none;text-align:left;font-size:17px;overflow-wrap:anywhere}
.mo-like{min-width:62px;border:0;border-left:1px solid var(--ln);background:var(--pg);font-size:14px;font-weight:700;color:var(--mu)}
.mo-like.on{background:var(--rs-l);color:var(--rs)}
.mo-add{display:flex;gap:8px;max-width:540px}
.mo-add input{flex:1;min-width:0;height:46px;padding:0 12px;border-radius:12px;border:1.5px solid var(--ln);font-size:16px}
.mo-add input:focus{outline:none;border-color:var(--tl)}
.mo-msg{margin:8px 0 0;font-size:15px;color:#047857}
.mo-msg.err{color:var(--rs)}

/* khối trang chủ */
.blk{margin:26px 0;padding:30px;border-radius:22px;background:#fff;border:1px solid var(--ln)}
.blk--tint{background:linear-gradient(160deg,#fff,var(--mint))}
.blk--flat{background:none;border:0;padding:0}
.blk--last{background:none;border:0;padding:0}
.blk__head{max-width:760px;margin-bottom:20px}
.blk__head h2{display:flex;align-items:center;gap:10px;font-size:clamp(22px,2.6vw,28px);margin-bottom:6px}
.blk__head h2 .i{color:var(--tl)}
.blk__head p{margin:0;color:var(--mu)}
.blk__head--row{display:flex;flex-wrap:wrap;align-items:flex-end;justify-content:space-between;gap:12px;max-width:none}

.kb{display:grid;grid-template-columns:190px minmax(0,1fr);gap:18px}
.kb__tabs{display:flex;flex-direction:column;gap:4px}
.kb__tab{min-height:42px;padding:0 14px;border:0;border-radius:10px;background:none;text-align:left;font-weight:700;font-size:15px;color:var(--tx)}
.kb__tab:hover{background:var(--pg)}
.kb__tab[aria-selected=true]{background:var(--tl);color:#fff}
.kb__deck{align-self:start;min-width:0;padding:16px;border-radius:18px;background:#e9efed;box-shadow:inset 0 2px 6px rgba(15,23,42,.06)}
.kb__bar{display:flex;flex-wrap:wrap;align-items:center;gap:8px 14px;margin-bottom:12px}
.kb__hint{font-size:14px;color:var(--mu)}
.kb__hint.on{color:var(--rs);font-weight:700}
.kb__cap{margin:0 0 10px;font-size:14px;color:var(--mu)}
.toggle{display:inline-flex;align-items:center;gap:10px;min-height:44px;font-weight:700;font-size:15px;color:var(--ink);cursor:pointer}
.toggle input{position:absolute;opacity:0;width:1px;height:1px}
.toggle__s{position:relative;width:46px;height:28px;border-radius:14px;background:#b8c6c2;transition:background .2s}
.toggle__s::after{content:"";position:absolute;top:3px;left:3px;width:22px;height:22px;border-radius:50%;background:#fff;box-shadow:0 1px 3px rgba(0,0,0,.25);transition:transform .2s}
.toggle input:checked+.toggle__s{background:var(--rs)}
.toggle input:checked+.toggle__s::after{transform:translateX(18px)}
.toggle input:focus-visible+.toggle__s{outline:3px solid var(--rs-m);outline-offset:2px}
.keys{display:grid;grid-template-columns:repeat(auto-fill,minmax(52px,1fr));gap:8px}
.keys--wide{grid-template-columns:repeat(auto-fill,minmax(160px,1fr))}
.key{min-height:52px;padding:4px;border:0;border-radius:11px;background:#fff;box-shadow:0 3px 0 #c5d2ce,0 4px 8px -4px rgba(15,23,42,.2);font-size:22px;line-height:1.1;color:var(--ink);transition:transform .08s,box-shadow .08s}
.keys--wide .key{font-size:16px;padding:8px}
.key i{font-style:normal;color:var(--mu);font-size:18px}
.key:hover{background:var(--mint)}
.key:active,.key.is-copied{transform:translateY(3px);box-shadow:0 0 0 #c5d2ce}
.key.is-copied{background:var(--tl-l)}

.trend{display:grid;grid-template-columns:minmax(0,1.1fr) minmax(0,1fr);gap:28px}
.trend h3{font-size:18px}
.tops{width:100%;border-collapse:collapse;font-size:16px;background:#fff;border-radius:14px;overflow:hidden}
.tops th{padding:10px 12px;text-align:left;font-size:13px;text-transform:uppercase;letter-spacing:.04em;color:var(--mu);background:var(--pg)}
.tops td{padding:8px 12px;border-top:1px solid var(--ln)}
.tops td:first-child{width:44px;font:700 15px var(--hd);color:var(--tl)}
.tops td:nth-child(2){font-weight:700;color:var(--ink)}
.tops td:last-child{text-align:right}
.tops__go{display:inline-flex;align-items:center;gap:4px;min-height:38px;padding:0 12px;border:0;border-radius:10px;background:var(--mint);color:var(--tl-d);font-weight:700;font-size:14px}
.tops__go:hover{background:var(--tl);color:#fff}
.cloud{display:flex;flex-wrap:wrap;gap:8px}
.cloud__i{display:inline-flex;flex-direction:column;align-items:flex-start;min-height:46px;padding:8px 13px;border-radius:12px;border:1px solid var(--ln);background:#fff;font-size:17px;color:var(--ink);text-align:left}
.cloud__i small{font-size:13px;color:var(--mu)}
.cloud__i:hover{border-color:var(--rs-m)}
.cloud__i.is-copied{background:var(--rs-l)}

.steps{list-style:none;margin:0 0 24px;padding:0;display:grid;grid-template-columns:repeat(3,1fr);gap:14px}
.steps li{position:relative;padding:20px 18px 16px;border-radius:16px;background:var(--pg)}
.steps__n{display:grid;place-items:center;width:38px;height:38px;margin-bottom:10px;border-radius:12px;background:var(--rs);color:#fff;font:700 18px var(--hd)}
.steps h3{font-size:18px;margin-bottom:6px}
.steps p{margin:0;font-size:16px}

.rows{display:grid;gap:14px}
.row{display:grid;grid-template-columns:200px minmax(0,1fr);gap:18px;align-items:center;padding:12px;border-radius:16px;background:#fff;border:1px solid var(--ln)}
.row__img{display:block;aspect-ratio:3/2;border-radius:12px;overflow:hidden;background:linear-gradient(135deg,var(--tl-l),var(--rs-l))}
.row__img img{width:100%;height:100%;object-fit:cover}
.row__ph{display:grid;place-items:center;height:100%;font:700 22px var(--hd);color:var(--tl)}
.row__meta{margin:0 0 4px;font-size:14px;color:var(--mu)}
.row__meta a{font-weight:700;text-decoration:none}
.row__t{font-size:19px;margin:0 0 6px}
.row__t a{color:var(--ink);text-decoration:none}
.row__t a:hover{color:var(--tl)}
.row__ex{margin:0;font-size:15px;color:var(--mu)}

.hist{list-style:none;margin:0;padding:0;display:grid;grid-template-columns:repeat(auto-fill,minmax(240px,1fr));gap:8px}
.hist__i{display:flex;align-items:stretch;border-radius:12px;background:var(--pg);overflow:hidden}
.hist__i>button:first-child{flex:1;min-width:0;padding:10px 12px;border:0;background:none;text-align:left;font-size:17px;white-space:nowrap;overflow:hidden;text-overflow:ellipsis}
.hist__x{width:44px;border:0;background:none;color:var(--mu);font-size:20px}
.hist__x:hover{color:var(--rs)}
.hist__none{grid-column:1/-1;color:var(--mu)}

.qa{display:grid;grid-template-columns:1fr 1fr;gap:10px;align-items:start}
.qa__i{border-radius:14px;background:#fff;border:1px solid var(--ln)}
.qa__i summary{display:flex;align-items:center;justify-content:space-between;gap:12px;min-height:56px;padding:12px 16px;cursor:pointer;list-style:none;font-weight:700;color:var(--ink);font-size:16px}
.qa__i summary::-webkit-details-marker{display:none}
.qa__i summary .i{color:var(--rs);transition:transform .2s}
.qa__i[open] summary .i{transform:rotate(45deg)}
.qa__i p{margin:0;padding:0 16px 16px;font-size:16px}

.fb{display:grid;grid-template-columns:minmax(0,1fr) auto;align-items:center;gap:8px 20px;padding:22px 24px;border-radius:20px;background:var(--ink);color:#e2e8f0}
.fb__q{grid-column:1;font-size:19px;color:#fff;margin:0}
.fb__acts{grid-column:2;grid-row:1/3;display:flex;gap:8px;flex-wrap:wrap}
.fb__sum{grid-column:1;margin:0;font-size:15px;color:#a8b5c4}
.fb__b{display:inline-flex;align-items:center;gap:7px;min-height:46px;padding:0 16px;border-radius:12px;border:1.5px solid #334155;background:none;color:#fff;font-weight:700;font-size:15px}
.fb__b:hover{border-color:var(--tl-m)}
.fb__b[aria-pressed=true]{background:var(--tl-m);border-color:var(--tl-m);color:var(--ink)}
.fb__b--no[aria-pressed=true]{background:var(--rs-m);border-color:var(--rs-m);color:#fff}
.fb__b:disabled{cursor:default}
.fb__form{grid-column:1/-1;display:grid;gap:8px;max-width:560px}
.fb__form label{font-weight:700;font-size:15px}
.fb__form textarea{padding:10px 12px;border-radius:12px;border:0;background:#1e293b;color:#fff;font-size:16px}
.fb__form .btn{justify-self:start;background:var(--tl-m);color:var(--ink)}
.fb__ok{grid-column:1/-1;margin:0;font-weight:700;color:#5eead4}
.doc .fb,.doc--one .fb{margin:28px 0}

/* trang con */
.pghead{padding:6px 0 18px}
.pghead h1{font-size:clamp(26px,3.4vw,38px);margin:8px 0 8px}
.pghead p{margin:0 0 8px;color:var(--mu)}
.pghead .seek{max-width:480px;margin-top:10px}
.bc ol{display:flex;flex-wrap:wrap;gap:4px 8px;list-style:none;margin:0;padding:0;font-size:14px;color:var(--mu)}
.bc li+li::before{content:"/";margin-right:8px;color:#a3b1ad}
.bc a{text-decoration:none;font-weight:600}
.doc{display:grid;grid-template-columns:minmax(0,1fr) 280px;gap:28px;align-items:start;margin-bottom:30px}
.doc--one{grid-template-columns:minmax(0,820px)}
.doc__main{min-width:0;padding:30px;border-radius:22px;background:#fff;border:1px solid var(--ln)}
.doc__cover{margin:0 0 22px}
.doc__cover img{width:100%;border-radius:14px}
.doc__h{font-size:22px;margin:30px 0 14px}
.aside{position:sticky;top:24px;display:grid;gap:14px}
.aside__box{padding:18px;border-radius:18px;background:#fff;border:1px solid var(--ln)}
.aside__box--cta{background:var(--ink);color:#cbd5e1;border:0}
.aside__box--cta .aside__t{color:#fff}
.aside__box--cta p{margin:0 0 12px;font-size:15px}
.aside__box--cta .btn{background:var(--tl-m);color:var(--ink)}
.aside__t{font:700 17px/1.3 var(--hd);color:var(--ink);margin:0 0 8px}
.aside__box ul{margin:0;padding-left:18px;font-size:15px}
.taglist{display:flex;flex-wrap:wrap;gap:6px}
.taglist a{padding:5px 11px;border-radius:8px;background:var(--mint);font-size:14px;text-decoration:none}
.paging{display:flex;flex-wrap:wrap;justify-content:center;gap:6px;margin:26px 0 10px}
.paging a,.paging span{display:inline-grid;place-items:center;min-width:44px;height:44px;padding:0 8px;border-radius:12px;background:#fff;border:1px solid var(--ln);text-decoration:none;font-weight:700;color:var(--ink)}
.paging .current{background:var(--tl);border-color:var(--tl);color:#fff}
.nothing{padding:40px 16px;text-align:center;color:var(--mu)}
.nothing__k{font:700 32px var(--hd);color:var(--tl);margin:0 0 6px}
.pghead--lost{text-align:center;max-width:620px;margin:0 auto;padding:30px 0 50px}
.pghead--lost .bc ol{justify-content:center}
.pghead--lost .seek{margin:16px auto 0}
.lost{font:700 clamp(60px,12vw,110px)/1 var(--hd);color:var(--ink);margin:20px 0 6px}
.lost span{color:var(--rs);margin:0 .05em}

.prose{font-size:17px;line-height:1.7;overflow-wrap:break-word}
.prose p{font-size:17px;margin:0 0 1.1em}
.prose h2{font-size:clamp(22px,2.5vw,27px);margin:1.6em 0 .6em}
.prose h3{font-size:20px;margin:1.4em 0 .5em}
.prose h4{font-size:18px;margin:1.2em 0 .4em}
.prose>:first-child{margin-top:0}
.prose ul,.prose ol{padding-left:1.4em;margin:0 0 1.1em}
.prose li{margin:.3em 0}
.prose li::marker{color:var(--tl)}
.prose blockquote,.prose .wp-block-quote{margin:1.4em 0;padding:14px 18px;border-left:4px solid var(--rs-m);background:var(--pg);border-radius:0 12px 12px 0}
.prose blockquote p:last-child{margin:0}
.prose figure{margin:1.4em 0}
.prose img{border-radius:12px}
.prose figcaption,.prose .wp-element-caption{font-size:14px;color:var(--mu);text-align:center;margin-top:6px}
.prose pre{overflow:auto;max-width:100%;padding:14px;border-radius:12px;background:var(--ink);color:#e2e8f0;font-size:14px}
.prose code{font-size:.9em;padding:2px 6px;border-radius:6px;background:var(--pg)}
.prose pre code{background:none;padding:0}
.prose hr{border:0;height:1px;background:var(--ln);margin:2em 0}
.tscroll{max-width:100%;overflow-x:auto;-webkit-overflow-scrolling:touch;margin:1.2em 0}
.tscroll figure{margin:0}
.trend .tscroll{margin:0}
.prose table{width:100%;min-width:460px;border-collapse:collapse;font-size:15px}
.prose th,.prose td{padding:10px 12px;border:1px solid var(--ln);text-align:left;vertical-align:top}
.prose th{background:var(--pg);color:var(--ink)}
.prose .wp-block-buttons{display:flex;flex-wrap:wrap;gap:10px;margin:1.2em 0}
.prose .wp-block-button__link{display:inline-flex;align-items:center;min-height:46px;padding:0 18px;border-radius:12px;background:var(--tl);color:#fff;text-decoration:none;font-weight:700}
.prose .wp-block-columns{display:flex;flex-wrap:wrap;gap:20px}
.prose .wp-block-column{flex:1 1 240px;min-width:0}
.prose .wp-block-gallery{display:grid;grid-template-columns:repeat(auto-fill,minmax(160px,1fr));gap:10px}
.prose .wp-block-gallery figure{margin:0}
.prose .wp-block-embed iframe{width:100%}
.prose .alignleft{float:left;margin:0 18px 10px 0}
.prose .alignright{float:right;margin:0 0 10px 18px}
.prose .aligncenter{margin-left:auto;margin-right:auto;text-align:center}
.prose--cols{columns:2 340px;column-gap:36px}
.prose--cols h3{break-after:avoid}
.prose--cols p{break-inside:avoid}
.cmts{margin-top:28px}
.cmts__list{list-style:none;margin:0 0 20px;padding:0}
.cmts__list .comment-body{padding:14px 0;border-bottom:1px solid var(--ln)}
.cmts__list .children{list-style:none;padding-left:20px}
.cmts__note{font-size:14px;color:var(--mu)}
.comment-form{display:grid;gap:10px}
.comment-form label{display:block;font-weight:700;font-size:15px;margin-bottom:4px}
.comment-form input[type=text],.comment-form input[type=email],.comment-form input[type=url],.comment-form textarea{width:100%;padding:10px 12px;border-radius:12px;border:1.5px solid var(--ln);font-size:16px}

/* chân trang */
.foot{margin-top:10px;padding:28px var(--pad) 26px;border-top:1px solid var(--ln);background:#fff}
.foot__cols{display:grid;grid-template-columns:1.3fr 1fr 1.2fr;gap:28px;max-width:1116px;margin:0 auto}
.foot__cols>*{min-width:0}
.foot p{font-size:15px;color:var(--mu);margin:10px 0 0}
.foot__t{margin:0 0 8px!important;font:700 15px var(--hd)!important;color:var(--ink)!important}
.foot ul{list-style:none;margin:0;padding:0}
.foot__two{columns:2;column-gap:14px}
.foot li a{display:inline-block;padding:4px 0;font-size:15px;color:var(--tx);text-decoration:none}
.foot li a:hover{color:var(--tl)}
.foot__menu,.foot__legal,.foot__c{max-width:1116px;margin-left:auto!important;margin-right:auto!important}
.foot__menu ul{display:flex;flex-wrap:wrap;gap:4px 18px;margin-top:18px;padding-top:12px;border-top:1px solid var(--ln)}
.foot__legal{display:flex;gap:10px;align-items:flex-start;margin-top:18px!important;padding:14px 16px;border-radius:14px;background:var(--pg);font-size:14px!important}
.foot__legal .i{color:var(--tl);margin-top:2px}
.foot__c{font-size:14px!important}

/* thanh dưới + menu + thông báo */
.up{position:fixed;right:18px;bottom:calc(20px + var(--tb));z-index:30;display:grid;place-items:center;width:46px;height:46px;border-radius:14px;border:0;background:var(--ink);color:#fff;box-shadow:var(--lift);opacity:0;visibility:hidden;transform:translateY(8px);transition:.2s}
.up.show{opacity:1;visibility:visible;transform:none}
.tabbar{display:none}
.drawer{position:fixed;inset:0;z-index:60}
.drawer[hidden]{display:none}
.drawer__shade{position:absolute;inset:0;background:rgba(15,23,42,.5);animation:kyfade .2s}
.drawer__panel{position:absolute;left:0;right:0;bottom:0;max-height:86vh;overflow:auto;padding:10px 16px calc(18px + env(safe-area-inset-bottom));background:#fff;border-radius:22px 22px 0 0;animation:kyrise .24s ease-out}
.drawer__grip{display:block;width:42px;height:5px;margin:2px auto 8px;border-radius:5px;background:#d6dfdc}
.drawer__top{display:flex;align-items:center;justify-content:space-between;margin-bottom:6px}
.drawer__top b{font:700 18px var(--hd);color:var(--ink)}
.drawer__x{display:grid;place-items:center;width:44px;height:44px;border:0;border-radius:12px;background:var(--pg)}
.drawer__list,.drawer__menu{list-style:none;margin:0 0 12px;padding:0}
.drawer__list a,.drawer__menu a{display:flex;align-items:center;gap:12px;min-height:50px;border-bottom:1px solid var(--ln);color:var(--ink);text-decoration:none;font-weight:700}
.drawer__list a .i:first-child{color:var(--tl)}
.drawer__list a .i:last-child{margin-left:auto;color:#a3b1ad}
.snack{position:fixed;left:50%;bottom:calc(24px + var(--tb));z-index:70;display:flex;align-items:center;gap:8px;max-width:calc(100% - 32px);padding:11px 16px;border-radius:12px;background:var(--ink);color:#fff;font-size:15px;font-weight:700;box-shadow:0 14px 30px -14px rgba(0,0,0,.55);transform:translate(-50%,16px);opacity:0;visibility:hidden;transition:.2s}
.snack .i{color:var(--tl-m)}
.snack__t{overflow:hidden;white-space:nowrap;text-overflow:ellipsis}
.snack.show{opacity:1;visibility:visible;transform:translate(-50%,0)}
@keyframes kyfade{from{opacity:0}}
@keyframes kyrise{from{transform:translateY(40px);opacity:.4}}

@media (max-width:1240px){.bench__grid{grid-template-columns:350px minmax(0,1fr)}}
@media (max-width:1100px){
.app{grid-template-columns:minmax(0,1fr)}
.rail{display:none}
.bar{position:sticky;top:0;z-index:40;display:flex;align-items:center;justify-content:space-between;gap:10px;min-height:62px;padding:0 var(--pad);background:rgba(255,255,255,.9);backdrop-filter:blur(10px);-webkit-backdrop-filter:blur(10px);border-bottom:1px solid var(--ln)}
.bar__saved{position:relative;display:grid;place-items:center;width:44px;height:44px;border-radius:12px;background:var(--rs-l);color:var(--rs)}
.bar__saved b{position:absolute;top:-4px;right:-4px;margin:0;min-width:20px;height:20px;line-height:20px;font-size:12px}
html{scroll-padding-top:76px}
.bench__grid{grid-template-columns:minmax(0,1fr)}
.pane--build{border-right:0;border-bottom:1px solid #d5ece8}
.doc{grid-template-columns:minmax(0,1fr)}
.aside{position:static}
.trend{grid-template-columns:minmax(0,1fr)}
}
@media (max-width:820px){
:root{--tb:calc(66px + env(safe-area-inset-bottom));--pad:20px}
.tabbar{position:fixed;left:0;right:0;bottom:0;z-index:50;display:grid;grid-template-columns:repeat(5,1fr);align-items:end;height:var(--tb);padding:0 4px env(safe-area-inset-bottom);background:#fff;border-top:1px solid #eceaf2;box-shadow:0 -6px 20px -14px rgba(15,23,42,.4)}
.tabbar__i,.tabbar__new{display:flex;flex-direction:column;align-items:center;justify-content:flex-end;gap:3px;height:66px;padding:0 0 9px;border:0;background:none;color:#64748b;text-decoration:none;font-size:12.5px;font-weight:600;line-height:1}
.tabbar__i.on{color:#4f46e5}
.tabbar__new{color:#ea4a2a;font-weight:700}
.tabbar__fab{display:grid;place-items:center;width:52px;height:52px;margin-top:-26px;margin-bottom:3px;border-radius:50%;background:linear-gradient(145deg,#f97340,#e8432a);color:#fff;border:4px solid #fff;box-shadow:0 8px 18px -6px rgba(232,67,42,.65)}
.kb{grid-template-columns:minmax(0,1fr)}
.kb__tabs{flex-direction:row;overflow-x:auto;scrollbar-width:none}
.kb__tabs::-webkit-scrollbar{display:none}
.kb__tab{flex:none;background:#fff;box-shadow:inset 0 0 0 1px var(--ln)}
.steps{grid-template-columns:minmax(0,1fr)}
.qa{grid-template-columns:minmax(0,1fr)}
.foot__cols{grid-template-columns:1fr 1fr}
.foot__cols>:first-child{grid-column:1/-1}
}
@media (max-width:640px){
:root{--pad:14px}
.main{padding-top:14px}
.bar{min-height:58px}
.logo{font-size:17px}
.logo .mk{width:34px;height:34px}
.bench,.blk,.doc__main,.aside__box,.row,.qa__i,.steps li,.fb{border-radius:0;border-left:0;border-right:0;box-shadow:none}
.bench{margin:0 calc(var(--pad) * -1);border-top:0}
.bench__top{padding:18px var(--pad) 14px}
.pane{padding:16px var(--pad)}
.wraps{grid-template-columns:repeat(4,minmax(0,1fr))}
.proof__acts{grid-template-columns:minmax(0,1fr)}
.ln{grid-template-columns:minmax(0,1fr) auto auto;gap:6px}
.ln::before{display:none}
.ln__m span{display:none}
.ln__t{font-size:17px}
.bench__more{padding:18px var(--pad)}
.blk{margin:0 calc(var(--pad) * -1);padding:28px var(--pad);border-top:0;border-bottom:1px solid var(--ln)}
.blk--flat,.blk--last{margin:0;padding:0;border:0}
.blk--last{margin:0 calc(var(--pad) * -1)}
.kb__deck{margin:0 calc(var(--pad) * -1);padding:14px var(--pad);border-radius:0}
.keys{grid-template-columns:repeat(auto-fill,minmax(46px,1fr));gap:7px}
.key{min-height:48px;font-size:21px}
.steps li{padding:16px 0;background:none;border-bottom:1px solid var(--ln)}
.row{grid-template-columns:110px minmax(0,1fr);gap:12px;padding:12px 0;background:none;border-top:0}
.row__ex{display:none}
.row__t{font-size:17px}
.qa__i{background:none;border-top:0}
.qa__i summary{padding:12px 0}
.qa__i p{padding:0 0 14px}
.hist{grid-template-columns:minmax(0,1fr)}
.fb{grid-template-columns:minmax(0,1fr);padding:22px var(--pad)}
.fb__acts{grid-column:1;grid-row:auto}
.doc__main{margin:0 calc(var(--pad) * -1);padding:18px var(--pad);border-top:0}
.aside__box{padding:16px 0;background:none}
.aside__box--cta{margin:0 calc(var(--pad) * -1);padding:18px var(--pad);background:var(--ink)}
.prose--cols{columns:1}
.prose .alignleft,.prose .alignright{float:none;margin:0 0 12px}
.foot{padding:24px var(--pad)}
.foot__cols{grid-template-columns:minmax(0,1fr)}
.foot__legal{margin-left:calc(var(--pad) * -1)!important;margin-right:calc(var(--pad) * -1)!important;border-radius:0}
}
@media (prefers-reduced-motion:reduce){*,*::before,*::after{animation-duration:.01ms!important;animation-iteration-count:1!important;transition-duration:.01ms!important;scroll-behavior:auto!important}}