@font-face{font-family:'Lora';font-style:normal;font-weight:400 700;font-display:swap;src:url(fonts/lora-vietnamese.woff2) format('woff2');unicode-range:U+102-103,U+110-111,U+128-129,U+168-169,U+1A0-1A1,U+1AF-1B0,U+300-301,U+303-304,U+308-309,U+323,U+329,U+1EA0-1EF9,U+20AB}
@font-face{font-family:'Lora';font-style:normal;font-weight:400 700;font-display:swap;src:url(fonts/lora-latin-ext.woff2) format('woff2');unicode-range:U+100-2BA,U+2BD-2C5,U+2C7-2CC,U+2CE-2D7,U+2DD-2FF,U+304,U+308,U+329,U+1D00-1DBF,U+1E00-1E9F,U+1EF2-1EFF,U+2020,U+20A0-20AB,U+20AD-20C4,U+2113,U+2C60-2C7F,U+A720-A7FF}
@font-face{font-family:'Lora';font-style:normal;font-weight:400 700;font-display:swap;src:url(fonts/lora-latin.woff2) format('woff2');unicode-range:U+??,U+131,U+152-153,U+2BB-2BC,U+2C6,U+2DA,U+2DC,U+304,U+308,U+329,U+2000-206F,U+20AC,U+2122,U+2191,U+2193,U+2212,U+2215,U+FEFF,U+FFFD}
@font-face{font-family:'Inter';font-style:normal;font-weight:400 700;font-display:swap;src:url(fonts/inter-vietnamese.woff2) format('woff2');unicode-range:U+102-103,U+110-111,U+128-129,U+168-169,U+1A0-1A1,U+1AF-1B0,U+300-301,U+303-304,U+308-309,U+323,U+329,U+1EA0-1EF9,U+20AB}
@font-face{font-family:'Inter';font-style:normal;font-weight:400 700;font-display:swap;src:url(fonts/inter-latin-ext.woff2) format('woff2');unicode-range:U+100-2BA,U+2BD-2C5,U+2C7-2CC,U+2CE-2D7,U+2DD-2FF,U+304,U+308,U+329,U+1D00-1DBF,U+1E00-1E9F,U+1EF2-1EFF,U+2020,U+20A0-20AB,U+20AD-20C4,U+2113,U+2C60-2C7F,U+A720-A7FF}
@font-face{font-family:'Inter';font-style:normal;font-weight:400 700;font-display:swap;src:url(fonts/inter-latin.woff2) format('woff2');unicode-range:U+??,U+131,U+152-153,U+2BB-2BC,U+2C6,U+2DA,U+2DC,U+304,U+308,U+329,U+2000-206F,U+20AC,U+2122,U+2191,U+2193,U+2212,U+2215,U+FEFF,U+FFFD}

/* Cùng hệ màu, font và kiểu "kính mờ" với trang quanlygiaoxu.net (landing/src/app/globals.css):
   xanh thương hiệu #1d5ddb, chữ Lora cho tiêu đề, Inter cho thân bài, nền chuyển sắc nhạt,
   các mảng trắng bán trong bo góc 18px. Mọi cặp màu chữ/nền đạt tối thiểu 4.5:1. */
:root{--brand:#1d5ddb;--brand-deep:#143f98;--brand-ink:#0f2f6e;--brand-soft:#dce8fd;--brand-mist:#eff5ff;
--ink:#0e1729;--ink-soft:#4a5773;--ink-faint:#5a6785;--canvas:#f2f6fd;--line:rgba(14,32,76,.12);
--card:rgba(255,255,255,.82);--card-solid:#fff;--code:#eaf0fb;--callout:#fff6e5;--amber:#d97706;--mint:#14b8a6;
--glass-shadow:inset 0 1px 0 rgba(255,255,255,.95),0 1px 2px rgba(14,32,76,.04),0 10px 24px -10px rgba(14,32,76,.16),0 28px 56px -28px rgba(14,32,76,.22);
--display:"Lora",Georgia,"Times New Roman",serif;--sans:"Inter",-apple-system,"Segoe UI",Roboto,sans-serif}
*{box-sizing:border-box}
::-webkit-scrollbar{width:10px;height:10px}
::-webkit-scrollbar-track{background:transparent}
::-webkit-scrollbar-thumb{background:rgba(14,32,76,.22);border-radius:999px;border:3px solid transparent;background-clip:padding-box}
::-webkit-scrollbar-thumb:hover{background-color:rgba(29,93,219,.55)}
::-webkit-scrollbar-button{display:none;width:0;height:0}
/* Chrome/Edge: kiểu ::-webkit-scrollbar ở trên (không mũi tên). Đặt scrollbar-width/color ở đây thì Chrome
   bỏ kiểu đó và vẽ lại thanh có mũi tên, nên thuộc tính chuẩn chỉ dành cho trình duyệt không có kiểu kia. */
@supports not selector(::-webkit-scrollbar){
html{scrollbar-width:thin;scrollbar-color:rgba(14,32,76,.28) transparent}
nav.side{scrollbar-color:rgba(14,32,76,.18) transparent}
}
nav.side::-webkit-scrollbar{width:8px}
nav.side::-webkit-scrollbar-thumb{background-color:rgba(14,32,76,.13)}
nav.side::-webkit-scrollbar-thumb:hover{background-color:rgba(29,93,219,.5)}
html{font-size:17px;scroll-padding-top:5rem}
body{position:relative;margin:0;background:var(--canvas);color:var(--ink);font-family:var(--sans);line-height:1.65;-webkit-font-smoothing:antialiased}
body::before{content:"";position:fixed;inset:0;z-index:-1;pointer-events:none;background:
radial-gradient(1100px 720px at 8% -8%,rgba(29,93,219,.22),transparent 62%),
radial-gradient(900px 640px at 92% 4%,rgba(124,107,240,.16),transparent 60%),
radial-gradient(900px 700px at 74% 88%,rgba(20,184,166,.12),transparent 62%),
radial-gradient(760px 620px at 16% 82%,rgba(56,189,248,.14),transparent 60%)}
a{color:var(--brand-ink);text-decoration-color:color-mix(in srgb,var(--brand) 40%,transparent);text-underline-offset:3px}
a:hover{text-decoration-color:currentColor}
:focus-visible{outline:3px solid var(--brand);outline-offset:2px;border-radius:6px}
header.top{position:sticky;top:0;z-index:20;padding:.6rem 0;
background:rgba(255,255,255,.88);backdrop-filter:blur(18px) saturate(180%);-webkit-backdrop-filter:blur(18px) saturate(180%);
border-bottom:1px solid rgba(255,255,255,.9);box-shadow:0 8px 24px -18px rgba(14,32,76,.35)}
.top-in{display:grid;grid-template-columns:18rem minmax(0,60rem);column-gap:1.5rem;justify-content:center;align-items:center;padding:0 1.5rem}
.top-trai{display:flex;align-items:center;gap:.6rem}
/* ô tìm nằm giữa trang (giữa cả khối mục lục + nội dung), không đè lên logo */
.tim{position:relative;grid-column:1/-1;grid-row:1;justify-self:center;width:min(38rem,100% - 2*19.5rem)}
.top-trai{grid-column:1;grid-row:1;z-index:1}
.tim-kinh{position:absolute;left:.95rem;top:50%;width:1.05rem;height:1.05rem;transform:translateY(-50%);fill:none;stroke:var(--ink-faint);stroke-width:2;stroke-linecap:round;pointer-events:none}
.tim-phim{position:absolute;right:.7rem;top:50%;transform:translateY(-50%);min-width:1.6rem;padding:.05rem .4rem;border:1px solid var(--line);border-bottom-width:2px;border-radius:.4rem;background:var(--brand-mist);color:var(--ink-faint);font:600 .78rem/1.4 var(--sans);text-align:center;pointer-events:none}
.tim input:focus~.tim-phim,.tim input:not(:placeholder-shown)~.tim-phim{display:none}
header.top .logo{display:flex;align-items:center;gap:.6rem;text-decoration:none;white-space:nowrap}
header.top .logo svg{width:2.3rem;height:2.3rem;flex:none}
header.top .logo b{display:block;font-family:var(--display);font-size:1.12rem;font-weight:600;color:var(--ink);line-height:1.1}
header.top .logo small{display:block;font-size:.62rem;font-weight:700;letter-spacing:.15em;text-transform:uppercase;color:var(--ink-faint)}
header.top input{display:block;width:100%;min-width:0;font:inherit;font-size:.97rem;padding:.6rem 2.6rem .6rem 2.6rem;border:1px solid var(--line);
border-radius:999px;background:#fff;color:var(--ink);box-shadow:0 1px 2px rgba(14,32,76,.05)}
header.top input::-webkit-search-cancel-button{cursor:pointer}
header.top input:focus{outline:none;border-color:var(--brand);box-shadow:0 0 0 3px rgba(29,93,219,.18)}
#menu-btn{display:none;font:inherit;font-size:.95rem;font-weight:600;padding:.45rem .9rem;border:1px solid var(--line);border-radius:999px;background:#fff;color:var(--brand-ink)}
.layout{display:grid;grid-template-columns:18rem minmax(0,60rem);column-gap:1.5rem;justify-content:center;padding:0 1.5rem}
nav.side{position:sticky;top:4rem;align-self:start;max-height:calc(100vh - 4rem);overflow:auto;padding:1.1rem .4rem 1.1rem 0;font-size:.93rem}
nav.side h3{margin:1.2rem 0 .35rem .5rem;font-family:var(--sans);font-size:.72rem;font-weight:700;letter-spacing:.14em;text-transform:uppercase;color:var(--brand)}
nav.side a{display:block;padding:.3rem .7rem;border-radius:999px;text-decoration:none;color:var(--ink-soft)}
nav.side a:hover{background:rgba(255,255,255,.75);color:var(--brand-ink)}
nav.side a.on{background:rgba(29,93,219,.12);color:var(--brand-ink);font-weight:600}
main{margin:1.2rem 0 3rem;padding:1.8rem 2.2rem 3rem;min-width:0;background:var(--card);
backdrop-filter:blur(22px) saturate(180%);-webkit-backdrop-filter:blur(22px) saturate(180%);
border:1px solid rgba(255,255,255,.85);border-radius:18px;box-shadow:var(--glass-shadow)}
main h1,main h2,main h3{font-family:var(--display);font-variant-numeric:lining-nums;color:var(--ink)}
main h1{font-size:2.05rem;font-weight:600;line-height:1.25;margin:.2rem 0 1rem}
main h2{font-size:1.45rem;font-weight:600;line-height:1.3;margin:2.4rem 0 .7rem;padding-top:1rem;border-top:1px solid var(--line)}
main h3{font-size:1.15rem;font-weight:600;margin:1.7rem 0 .45rem}
.anchor{margin-left:.4rem;opacity:0;text-decoration:none;font-weight:400;color:var(--brand)}
h2:hover .anchor,h3:hover .anchor{opacity:.6}
.meta{display:flex;flex-wrap:wrap;gap:.4rem 1rem;margin:0 0 1.2rem;padding:.7rem 1rem;background:var(--brand-mist);border:1px solid rgba(29,93,219,.14);border-radius:14px;font-size:.9rem;color:var(--ink-soft)}
.meta b{color:var(--ink)}
.table-wrap{overflow-x:auto;margin:.9rem 0;border:1px solid var(--line);border-radius:14px;background:var(--card-solid)}
table{border-collapse:collapse;width:100%;font-size:.93rem}
th,td{padding:.6rem .75rem;text-align:left;vertical-align:top;border-bottom:1px solid var(--line)}
th{background:var(--brand-mist);color:var(--brand-ink);white-space:nowrap;font-weight:600}
tr:last-child td{border-bottom:0}
tr:target td{background:var(--callout)}
td:first-child{font-weight:600}
code{background:var(--code);padding:.08rem .35rem;border-radius:.3rem;font-size:.9em}
pre{background:var(--code);padding:.9rem;border-radius:12px;overflow:auto}
pre code{background:none;padding:0}
figure.shot{margin:1.1rem 0 1.5rem}
figure.shot img{display:block;max-width:100%;height:auto;border:1px solid rgba(255,255,255,.9);border-radius:14px;
box-shadow:0 1px 3px rgba(14,32,76,.12),0 14px 30px -14px rgba(14,32,76,.35);background:#fff}
figure.shot video{display:block;width:100%;height:auto;aspect-ratio:16/9;border-radius:14px;background:#0e1729;
box-shadow:0 1px 3px rgba(14,32,76,.12),0 14px 30px -14px rgba(14,32,76,.35)}
figure.shot figcaption{margin-top:.5rem;font-size:.88rem;color:var(--ink-faint)}
li figure.shot{margin:.6rem 0 1rem}
.callout{margin:1.1rem 0;padding:.75rem 1.1rem;background:var(--callout);border-left:4px solid var(--amber);border-radius:12px}
.callout>:first-child{margin-top:.2rem}.callout>:last-child{margin-bottom:.2rem}
ol li,ul li{margin:.35rem 0}
.toc{margin:0 0 1.5rem;padding:.9rem 1.1rem;background:var(--brand-mist);border:1px solid rgba(29,93,219,.14);border-radius:14px;font-size:.93rem}
.toc b{display:block;margin-bottom:.35rem;color:var(--brand-ink)}
.toc a{display:block;text-decoration:none;padding:.12rem 0}
.toc a:hover{text-decoration:underline}
.toc a.l3{padding-left:1.2rem;color:var(--ink-soft)}
.pager{display:flex;justify-content:space-between;gap:1rem;margin-top:3rem;padding-top:1.1rem;border-top:1px solid var(--line)}
.pager a{font-weight:600;text-decoration:none}
.noi-bat{display:grid;grid-template-columns:repeat(auto-fill,minmax(16rem,1fr));gap:1rem;margin:.4rem 0 .6rem}
.nb{position:relative;display:flex;flex-direction:column;gap:.35rem;min-height:9.5rem;padding:1.15rem 1.2rem 1.1rem;border-radius:18px;
text-decoration:none;color:#fff;overflow:hidden;isolation:isolate;border:1px solid rgba(255,255,255,.55);
box-shadow:inset 0 1px 0 rgba(255,255,255,.45),0 14px 30px -16px var(--bong);transition:transform .2s,box-shadow .2s}
.nb::before{content:"";position:absolute;inset:0;z-index:-1;background:linear-gradient(135deg,var(--a),var(--b));opacity:.92}
.nb::after{content:"";position:absolute;right:-30%;top:-60%;width:80%;height:120%;z-index:-1;border-radius:50%;
background:radial-gradient(closest-side,rgba(255,255,255,.38),transparent);transition:transform .35s}
.nb:hover{transform:translateY(-3px);box-shadow:inset 0 1px 0 rgba(255,255,255,.5),0 20px 36px -16px var(--bong)}
.nb:hover::after{transform:translate(-12%,10%)}
.nb:focus-visible{outline:3px solid var(--brand-ink);outline-offset:3px}
.nb-icon{display:flex;align-items:center;justify-content:center;width:2.6rem;height:2.6rem;border-radius:12px;
background:rgba(255,255,255,.22);border:1px solid rgba(255,255,255,.4);backdrop-filter:blur(6px)}
.nb-icon svg{width:1.4rem;height:1.4rem}
.nb b{margin-top:.35rem;font-family:var(--display);font-size:1.22rem;font-weight:600;line-height:1.25;text-shadow:0 1px 2px rgba(0,0,0,.15)}
.nb small{font-size:.9rem;line-height:1.4;color:rgba(255,255,255,.92)}
.nb-xanh{--a:#2563eb;--b:#1e40af;--bong:rgba(37,99,235,.7)}
.nb-tim{--a:#7c3aed;--b:#4f46e5;--bong:rgba(124,58,237,.65)}
.nb-ngoc{--a:#0d9488;--b:#0e7490;--bong:rgba(13,148,136,.65)}
.nb-cam{--a:#ea580c;--b:#c2410c;--bong:rgba(234,88,12,.6)}
.nb-hong{--a:#db2777;--b:#9d174d;--bong:rgba(219,39,119,.6)}
.nb-troi{--a:#0284c7;--b:#1d4ed8;--bong:rgba(2,132,199,.6)}
.cards{display:grid;grid-template-columns:repeat(auto-fill,minmax(15rem,1fr));gap:.8rem}
.cards a{display:block;padding:.9rem 1.1rem;background:var(--card-solid);border:1px solid var(--line);border-radius:14px;text-decoration:none;color:var(--ink);
font-weight:600;transition:transform .2s,box-shadow .2s,border-color .2s}
.cards a:hover{border-color:rgba(29,93,219,.45);transform:translateY(-2px);box-shadow:0 12px 26px -14px rgba(14,32,76,.35)}
.cards small{display:block;margin-top:.2rem;color:var(--ink-faint);font-weight:400}
#results{position:absolute;top:calc(100% + .4rem);left:0;right:0;background:#fff;border:1px solid var(--line);border-radius:14px;box-shadow:0 16px 40px -16px rgba(14,32,76,.4);max-height:70vh;overflow:auto}
#results a{display:block;padding:.55rem .9rem;text-decoration:none;color:var(--ink);border-bottom:1px solid var(--line)}
#results a:hover{background:var(--brand-mist)}
#results small{color:var(--ink-faint);display:block}
@media(max-width:60rem){
.top-in{display:flex;gap:.6rem;padding:0 .8rem}
.top-trai{padding:0;flex:none}
.tim{flex:1;margin:0;max-width:none;width:auto}
.tim-phim{display:none}
.layout{grid-template-columns:1fr;padding:0}
nav.side{display:none;position:fixed;inset:3.7rem 0 0 0;z-index:15;background:var(--canvas);max-height:none;padding:1rem}
body.menu-open nav.side{display:block}
#menu-btn{display:block}
header.top .logo small{display:none}
#results{position:fixed;top:3.6rem;left:.5rem;right:.5rem}
main{margin:.6rem;padding:1.1rem 1rem 2.5rem}
.table-wrap{border:0;background:none}
table,thead,tbody,tr,td{display:block}
thead{display:none}
tr{margin:0 0 .8rem;border:1px solid var(--line);border-radius:12px;background:#fff}
td{border:0;border-bottom:1px solid var(--line)}
td::before{content:attr(data-label);display:block;font-size:.75rem;color:var(--ink-faint);font-weight:400}
}
@media(max-width:30rem){header.top .logo b,header.top .logo small{display:none}}
.ve-trang-chu{position:absolute;right:1.5rem;top:50%;transform:translateY(-50%);font-size:.88rem;font-weight:600;color:var(--brand-ink);text-decoration:none}
.ve-trang-chu:hover{text-decoration:underline}
.top-in{position:relative}
.nhung .ve-trang-chu{display:none}
@media(max-width:80rem){.ve-trang-chu{display:none}}
.nhung header.top .logo{display:none}
.nhung header.top{background:rgba(242,246,253,.82);box-shadow:none;border-bottom-color:transparent;padding:.5rem 0}
.nhung nav.side{top:3.6rem;max-height:calc(100vh - 3.6rem)}
@media print{header.top,nav.side,.pager,.anchor{display:none}.layout{display:block}main{max-width:none;padding:0;margin:0;box-shadow:none;border:0}body::before{display:none}}