@font-face{font-family:"Be Vietnam Pro";src:url("fonts/bvp-vietnamese-400.woff2") format("woff2");font-weight:400;font-display:swap;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:"Be Vietnam Pro";src:url("fonts/bvp-vietnamese-700.woff2") format("woff2");font-weight:700;font-display:swap;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:"Playfair";src:url("fonts/pf-vietnamese-400i.woff2") format("woff2");font-weight:400;font-style:italic;font-display:swap;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:"Be Vietnam Pro";src:url("fonts/bvp-latin-ext-400.woff2") format("woff2");font-weight:400;font-display:swap;unicode-range:U+0100-02BA,U+02BD-02C5,U+02C7-02CC,U+02CE-02D7,U+02DD-02FF,U+0304,U+0308,U+0329,U+1D00-1DBF,U+1E00-1E9F,U+1EF2-1EFF,U+2020,U+20A0-20AB,U+20AD-20C0,U+2113,U+2C60-2C7F,U+A720-A7FF}
@font-face{font-family:"Be Vietnam Pro";src:url("fonts/bvp-latin-ext-700.woff2") format("woff2");font-weight:700;font-display:swap;unicode-range:U+0100-02BA,U+02BD-02C5,U+02C7-02CC,U+02CE-02D7,U+02DD-02FF,U+0304,U+0308,U+0329,U+1D00-1DBF,U+1E00-1E9F,U+1EF2-1EFF,U+2020,U+20A0-20AB,U+20AD-20C0,U+2113,U+2C60-2C7F,U+A720-A7FF}
@font-face{font-family:"Playfair";src:url("fonts/pf-latin-ext-400i.woff2") format("woff2");font-weight:400;font-style:italic;font-display:swap;unicode-range:U+0100-02BA,U+02BD-02C5,U+02C7-02CC,U+02CE-02D7,U+02DD-02FF,U+0304,U+0308,U+0329,U+1D00-1DBF,U+1E00-1E9F,U+1EF2-1EFF,U+2020,U+20A0-20AB,U+20AD-20C0,U+2113,U+2C60-2C7F,U+A720-A7FF}
@font-face{font-family:"Be Vietnam Pro";src:url("fonts/bvp-latin-400.woff2") format("woff2");font-weight:400;font-display:swap;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:"Be Vietnam Pro";src:url("fonts/bvp-latin-700.woff2") format("woff2");font-weight:700;font-display:swap;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:"Playfair";src:url("fonts/pf-latin-400i.woff2") format("woff2");font-weight:400;font-style:italic;font-display:swap;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}
/* Phien ban E "Ban nhac": trang ho so kieu banner LinkedIn + tracklist + thanh phat o day. */

:root{--nen:#05070d;--mat:#0b111c;--mat2:#101827;--chu:#d7e3ef;--tieu:#f5faff;--mo:#8a9cb1;--ngoc:#4fd3ff;--tim:#6a7bff;--vach:rgba(140,200,255,.12);--grad:linear-gradient(90deg,#3fd0ff,#6a7bff)}
*{box-sizing:border-box;margin:0;padding:0}
html{scroll-behavior:smooth;scroll-padding-top:130px;background:var(--nen)}
body{font:400 16.5px/1.65 "Be Vietnam Pro",system-ui,sans-serif;color:var(--chu);background:var(--nen);-webkit-font-smoothing:antialiased;overflow-x:hidden;padding-bottom:90px}
a{color:inherit;text-decoration:none}
img{max-width:100%;height:auto;display:block}
.khung{width:min(1200px,100% - 40px);margin-inline:auto}

.nhap{background:rgba(255,196,0,.1);border-bottom:1px solid rgba(255,196,0,.35);color:#ffd866;font-size:13px;text-align:center;padding:7px 16px}
.dau .khung{display:flex;align-items:center;justify-content:space-between;height:64px}
.logo{display:flex;align-items:center;gap:10px;font-weight:700;color:var(--tieu)}
.logo i{width:28px;height:28px;border-radius:50%;background:var(--grad);display:grid;place-items:center;font-style:normal;color:#04121e;font-size:14px}
.dau nav{display:flex;gap:10px}
.dau nav{align-items:center}
.ngon-ngu{display:flex;padding:3px;border-radius:99px;border:1px solid rgba(160,215,255,.3);background:rgba(0,0,0,.3)}
.ngon-ngu a{font-size:12.5px;font-weight:700;letter-spacing:.08em;padding:6px 11px;border-radius:99px;color:var(--mo)}
.ngon-ngu a:hover{color:var(--tieu)}
.ngon-ngu a[aria-current]{background:var(--tieu);color:#05070d}
.nut{display:inline-flex;align-items:center;gap:8px;font-weight:700;font-size:14.5px;padding:10px 20px;border-radius:99px;background:var(--grad);color:#04121e;transition:transform .2s,box-shadow .2s}
.nut:hover{transform:translateY(-2px);box-shadow:0 8px 26px rgba(63,208,255,.35)}
.nut.vien{background:none;border:1px solid rgba(160,215,255,.35);color:var(--tieu)}
.nut svg{width:16px;height:16px}

/* Banner: dung ty le 1584x396 tren may tinh, chan dung tran khoi mep tren */
.banner{position:relative;margin-top:96px;aspect-ratio:1584/396;min-height:330px;border-radius:24px;
 background:#000 url("img/vu-tru-nen.webp") center/cover no-repeat;border:1px solid var(--vach);box-shadow:0 30px 80px rgba(0,0,0,.6),0 0 0 1px rgba(63,208,255,.05)}
.banner .chu{position:absolute;left:7%;top:50%;transform:translateY(-50%);max-width:62%}
.mat{font-weight:700;font-size:12.5px;letter-spacing:.26em;text-transform:uppercase;color:var(--ngoc)}
.banner h1{font:400 italic clamp(30px,3.7vw,50px)/1.12 "Playfair",Georgia,serif;color:var(--tieu);margin:12px 0 20px}
.banner h1 b{font:700 normal .9em "Be Vietnam Pro",sans-serif;color:var(--ngoc);text-shadow:0 0 24px rgba(79,211,255,.6)}
.vienchip{display:flex;flex-wrap:wrap;gap:8px}
.vienchip span{font-size:13px;font-weight:700;letter-spacing:.05em;padding:5px 14px;border-radius:99px;border:1px solid rgba(160,215,255,.4);color:var(--tieu);background:rgba(0,0,0,.3)}
.vienchip span.sang{border:0;background:var(--grad);color:#04121e;box-shadow:0 0 20px rgba(63,208,255,.5)}
.banner .anh{position:absolute;right:5%;bottom:0;height:120%;width:auto;border-bottom-right-radius:0;
 -webkit-mask:linear-gradient(#000 82%,transparent);mask:linear-gradient(#000 82%,transparent)}

/* Dong ho so duoi banner */
.ho-so{display:flex;align-items:flex-end;justify-content:space-between;gap:24px;flex-wrap:wrap;padding:30px 4px 26px;border-bottom:1px solid var(--vach)}
.ho-so h2{font-size:clamp(30px,3.4vw,42px);line-height:1.1;color:var(--tieu)}
.ho-so .vai{color:var(--mo);margin-top:6px}
.ho-so .vai b{color:var(--chu)}
.thong-ke{display:flex;gap:28px;margin-top:16px;font-size:14px;color:var(--mo)}
.thong-ke b{display:block;font:400 italic 26px/1.1 "Playfair",serif;color:var(--tieu)}
.ho-so .cum{display:flex;gap:10px;flex-wrap:wrap}

/* Thanh tracklist dinh */
.tracks{position:sticky;top:0;z-index:40;background:rgba(5,7,13,.86);backdrop-filter:blur(14px);border-bottom:1px solid var(--vach)}
.tracks .khung{display:flex;gap:4px;overflow-x:auto;scrollbar-width:none}
.tracks .khung::-webkit-scrollbar{display:none}
.tracks a{flex:none;display:flex;align-items:center;gap:8px;padding:16px 14px;font-size:14.5px;color:var(--mo);border-bottom:2px solid transparent;white-space:nowrap}
.tracks a small{font-size:11px;color:var(--ngoc);opacity:.7}
.tracks a.dang{color:var(--tieu);border-color:var(--ngoc)}

/* Track */
.track{padding:84px 0 20px}
.dau-track{display:flex;align-items:center;gap:18px;margin-bottom:30px}
.dau-track .so{font:400 italic 54px/1 "Playfair",serif;color:transparent;-webkit-text-stroke:1px rgba(79,211,255,.6);min-width:70px}
.dau-track .mat{display:block;margin-bottom:4px}
.dau-track h3{font-size:clamp(24px,2.6vw,32px);line-height:1.2;color:var(--tieu)}
.dau-track h3 em{font:400 italic 1.08em "Playfair",serif;color:var(--ngoc)}
.eq{margin-left:auto;display:flex;align-items:flex-end;gap:3px;height:22px;opacity:.25;transition:opacity .3s}
.eq i{width:3px;height:30%;background:var(--grad);border-radius:2px}
.track.dang .eq{opacity:1}
.track.dang .eq i{animation:eq .9s ease-in-out infinite alternate}
.eq i:nth-child(2){animation-delay:-.3s!important}.eq i:nth-child(3){animation-delay:-.6s!important}.eq i:nth-child(4){animation-delay:-.15s!important}
@keyframes eq{from{height:20%}to{height:100%}}
.mo{color:var(--mo)}

.hai-cot{display:grid;grid-template-columns:1.4fr 1fr;gap:28px}
.o{background:linear-gradient(180deg,var(--mat2),var(--mat));border:1px solid var(--vach);border-radius:18px;padding:28px}
.o p+p{margin-top:14px}
.o-lh p{display:flex;justify-content:space-between;gap:12px;padding:12px 0;border-bottom:1px solid var(--vach);font-size:15px}
.o-lh p:last-child{border:0}
.o-lh span{color:var(--mo)}
.o-lh a:hover{color:var(--ngoc)}

.luoi2{display:grid;grid-template-columns:repeat(2,1fr);gap:18px}
.dv{position:relative;overflow:hidden}
.dv::after{content:"";position:absolute;right:-60px;top:-60px;width:160px;height:160px;border-radius:50%;background:radial-gradient(rgba(63,208,255,.18),transparent 70%)}
.dv .bieu{width:42px;height:42px;border-radius:12px;display:grid;place-items:center;background:rgba(79,211,255,.1);color:var(--ngoc);margin-bottom:16px}
.dv .bieu svg{width:22px;height:22px}
.dv h4{font-size:19px;color:var(--tieu);margin-bottom:6px}
.dv p{color:var(--mo);font-size:15px}

/* Bang tracklist bai viet */
.bang{border:1px solid var(--vach);border-radius:18px;overflow:hidden;background:var(--mat)}
.hang{display:grid;grid-template-columns:54px 1fr 170px 80px;gap:16px;align-items:center;padding:18px 22px;border-top:1px solid var(--vach);transition:background .2s}
.hang.dau-bang{border:0;font-size:12px;letter-spacing:.16em;text-transform:uppercase;color:var(--mo);padding-block:14px}
a.hang:hover{background:rgba(79,211,255,.06)}
.hang .stt{color:var(--mo);font-variant-numeric:tabular-nums;position:relative}
a.hang:hover .stt{color:transparent}
a.hang:hover .stt::after{content:"▶";position:absolute;left:0;color:var(--ngoc)}
.hang h4{font-size:17px;color:var(--tieu);line-height:1.35}
.hang p{font-size:14.5px;color:var(--mo);margin-top:3px}
.hang .cd{font-size:13.5px;color:var(--ngoc)}
.hang .tg{font-size:14px;color:var(--mo);text-align:right;font-variant-numeric:tabular-nums}

.cho-duyet{margin-top:20px;padding:13px 18px;border:1px dashed rgba(255,196,0,.55);border-radius:12px;color:#ffd866;font-size:14.5px;background:rgba(255,196,0,.05)}

/* Credits chung chi */
.credits{display:grid;grid-template-columns:repeat(3,1fr);gap:18px}
.credits a{display:grid;grid-template-columns:96px 1fr;gap:16px;align-items:center;padding:16px}
.credits a:hover{border-color:rgba(79,211,255,.5)}
.credits img{width:96px;height:120px;object-fit:cover;object-position:top;border-radius:8px;background:#fff}
.credits h4{font-size:16.5px;color:var(--tieu);line-height:1.3}
.credits p{font-size:13.5px;color:var(--mo);margin-top:4px}

/* Album */
.album{display:grid;grid-template-columns:340px 1fr;gap:36px;align-items:end;padding:30px;border-radius:22px;
 background:radial-gradient(90% 120% at 0% 0%,rgba(63,208,255,.16),transparent 60%),radial-gradient(80% 100% at 100% 100%,rgba(106,123,255,.14),transparent 60%),var(--mat);border:1px solid var(--vach)}
.album>img{border-radius:12px;box-shadow:0 24px 60px rgba(0,0,0,.6)}
.album .loai{font-size:13px;font-weight:700;letter-spacing:.14em;text-transform:uppercase;color:var(--mo)}
.album h4{font:400 italic clamp(40px,5vw,68px)/1 "Playfair",serif;color:var(--tieu);margin:8px 0 10px}
.album .tt{color:var(--mo);font-size:14.5px;margin-bottom:18px}
.bai{list-style:none;counter-reset:b;display:grid;grid-template-columns:1fr 1fr;grid-template-rows:repeat(4,auto);grid-auto-flow:column;column-gap:24px}
.bai li{counter-increment:b;display:flex;gap:14px;padding:9px 6px;border-bottom:1px solid var(--vach);font-size:15px}
.bai li::before{content:counter(b);width:18px;color:var(--mo);font-variant-numeric:tabular-nums}
.tieu-muc{margin:44px 0 16px;font-size:20px;color:var(--tieu)}
.tieu-muc small{font-size:13px;color:var(--mo);margin-left:8px;font-weight:400}
.cuon-ngang{display:grid;grid-auto-flow:column;grid-auto-columns:minmax(200px,1fr);gap:18px;overflow-x:auto;padding-bottom:6px;scrollbar-width:thin}
.dia{padding:14px;border-radius:14px;background:var(--mat);border:1px solid var(--vach);transition:background .2s}
.dia:hover{background:var(--mat2)}
.dia img{aspect-ratio:1;width:100%;object-fit:cover;border-radius:10px;margin-bottom:12px}
.dia.ngang img{aspect-ratio:4/3}
.dia h4{font-size:16px;color:var(--tieu)}
.dia p{font-size:13.5px;color:var(--mo);margin-top:3px}
.htvn{display:flex;gap:22px;align-items:center;padding:22px;border-radius:18px;border:1px solid rgba(79,211,255,.35);background:linear-gradient(90deg,rgba(63,208,255,.1),rgba(106,123,255,.06));margin-bottom:30px}
.htvn .vinyl{flex:none;width:96px;height:96px;border-radius:50%;background:repeating-radial-gradient(#0a0f18 0 2px,#121a28 2px 4px);display:grid;place-items:center;box-shadow:0 0 30px rgba(63,208,255,.25);animation:quay 8s linear infinite}
.htvn .vinyl::after{content:"♪";width:34px;height:34px;border-radius:50%;background:var(--grad);display:grid;place-items:center;color:#04121e;font-weight:700}
@keyframes quay{to{transform:rotate(360deg)}}
.htvn h4{font-size:20px;color:var(--tieu)}
.htvn .cho-duyet{margin-top:10px}
.trich{font:400 italic 20px/1.5 "Playfair",serif;color:var(--tieu);margin:36px 0 0;padding:22px 26px;border-left:2px solid var(--ngoc);background:var(--mat);border-radius:0 14px 14px 0}
.khoanh{display:grid;grid-template-columns:2fr 1fr 1fr;grid-template-rows:200px 200px;gap:12px}
.khoanh img{width:100%;height:100%;object-fit:cover;border-radius:12px}
.khoanh img:first-child{grid-row:span 2}

/* Encore */
.encore{margin-top:90px;padding:70px 30px;text-align:center;border-radius:26px;background:#000 url("img/vu-tru-nen.webp") 85% 50%/cover no-repeat;border:1px solid var(--vach);position:relative;overflow:hidden}
.encore::before{content:"";position:absolute;inset:0;background:linear-gradient(90deg,rgba(0,0,0,.75),rgba(0,0,0,.35))}
.encore>*{position:relative}
.encore h3{font:400 italic clamp(32px,4.4vw,56px)/1.15 "Playfair",serif;color:var(--tieu);margin:12px 0 14px}
.encore h3 b{font:700 normal .88em "Be Vietnam Pro",sans-serif;color:var(--ngoc)}
.encore p{color:var(--chu);max-width:540px;margin:0 auto 28px}
.encore .cum{display:flex;gap:10px;justify-content:center;flex-wrap:wrap}
.chan{padding:40px 0;color:var(--mo);font-size:14px;text-align:center}

/* Thanh phat o day */
.player{position:fixed;left:0;right:0;bottom:0;z-index:60;height:76px;background:rgba(9,13,22,.92);backdrop-filter:blur(16px);border-top:1px solid var(--vach)}
.player .khung{height:100%;display:grid;grid-template-columns:minmax(0,1fr) auto minmax(0,1fr);align-items:center;gap:18px}
.dang-phat{display:flex;align-items:center;gap:12px;min-width:0}
.dang-phat img{width:46px;height:46px;border-radius:8px;object-fit:cover;object-position:top;background:#111}
.dang-phat b{display:block;color:var(--tieu);font-size:14.5px;white-space:nowrap;overflow:hidden;text-overflow:ellipsis}
.dang-phat small{color:var(--mo);font-size:12.5px}
.dieu-khien{display:flex;flex-direction:column;align-items:center;gap:6px;width:min(420px,40vw)}
.nut-dk{display:flex;align-items:center;gap:18px}
.nut-dk button{background:none;border:0;color:var(--chu);cursor:pointer;display:grid;place-items:center}
.nut-dk button svg{width:18px;height:18px}
.nut-dk .giua{width:34px;height:34px;border-radius:50%;background:var(--tieu);color:#05070d}
.thanh{display:flex;align-items:center;gap:10px;width:100%;font-size:11.5px;color:var(--mo);font-variant-numeric:tabular-nums}
.ray{flex:1;height:4px;border-radius:4px;background:rgba(255,255,255,.12);overflow:hidden}
.ray i{display:block;height:100%;width:0;background:var(--grad)}
.player .phai{display:flex;justify-content:flex-end;align-items:center;gap:14px;font-size:13px;color:var(--mo)}
.player .phai a{color:var(--ngoc);font-weight:700}

@media (max-width:900px){
 .banner{aspect-ratio:auto;min-height:0;height:auto;padding:36px 22px 0;border-radius:20px;background-position:70% 100%;margin-top:70px;display:flex;flex-direction:column}
 .banner .chu{position:static;transform:none;max-width:none}
 .banner .anh{position:relative;right:auto;height:auto;width:min(300px,78%);margin:22px auto 0;bottom:auto}
 .hai-cot,.luoi2,.credits,.album{grid-template-columns:1fr}
 .album>img{max-width:260px}
 .bai{grid-template-columns:1fr}
 .hang{grid-template-columns:30px 1fr;padding:16px}
 .hang .cd,.hang .tg,.hang.dau-bang{display:none}
 .dau-track .so{font-size:40px;min-width:50px}
 .khoanh{grid-template-columns:1fr 1fr;grid-template-rows:200px 130px 130px}
 .khoanh img:first-child{grid-column:span 2;grid-row:span 1}
 .khoanh img:nth-child(n+4){display:none}
 .player .khung{grid-template-columns:1fr auto}
 .player .phai{display:none}
 .dieu-khien{width:auto}
 .thanh{display:none}
 .player .ray-mb{position:absolute;left:0;right:0;top:-1px;height:2px}
 .dau nav .vien{display:none}
 .htvn{flex-direction:column;align-items:flex-start}
 .banner h1 br{display:none}
 .thong-ke{gap:18px;flex-wrap:wrap}
 .thong-ke span{min-width:40%}
}
@media (min-width:901px){.player .ray-mb{display:none}}
@media (prefers-reduced-motion:reduce){*{animation:none!important;transition:none!important}html{scroll-behavior:auto}}
/* Trang bai ghi chep theo phien ban 2 "Ban nhac". Dung chung bien, font, header tu ban-nhac.css. */
body.trang-bai{padding-bottom:0}
.noi-dung-bai{width:min(780px,100% - 40px);margin:0 auto;padding:46px 0 70px}
.duong-dan{font-size:13.5px;color:var(--mo);margin-bottom:22px}
.duong-dan a{color:var(--ngoc)}
.noi-dung-bai h1{font-size:clamp(28px,4vw,42px);line-height:1.18;color:var(--tieu);letter-spacing:-.01em}
.noi-dung-bai h1 em{font:400 italic 1.04em "Playfair",Georgia,serif;color:var(--ngoc)}
.thong-tin{display:flex;flex-wrap:wrap;gap:8px 18px;margin:18px 0 26px;font-size:14px;color:var(--mo)}
.thong-tin b{color:var(--chu);font-weight:700}
.thong-tin .the{font-weight:700;font-size:12.5px;letter-spacing:.06em;padding:3px 12px;border-radius:99px;background:var(--grad);color:#04121e}
.sapo{font-size:19px;line-height:1.6;color:var(--tieu);padding-bottom:26px;border-bottom:1px solid var(--vach)}
.noi-dung-bai h2{font-size:clamp(22px,2.6vw,28px);line-height:1.25;color:var(--tieu);margin:52px 0 16px;display:flex;gap:14px;align-items:baseline}
.noi-dung-bai h2 .so{font:400 italic 1.15em/1 "Playfair",serif;color:transparent;-webkit-text-stroke:1px rgba(79,211,255,.7);min-width:34px}
.noi-dung-bai h3{font-size:18.5px;color:var(--tieu);margin:30px 0 10px}
.noi-dung-bai p{margin:0 0 15px}
.noi-dung-bai ul,.noi-dung-bai ol{margin:0 0 16px 22px}
.noi-dung-bai li{margin-bottom:8px}
.noi-dung-bai li::marker{color:var(--ngoc)}
.noi-dung-bai strong{color:var(--tieu)}
.noi-dung-bai a.lk{color:var(--ngoc);border-bottom:1px solid rgba(79,211,255,.35)}
.noi-dung-bai a.lk:hover{border-color:var(--ngoc)}
.noi-dung-bai sub{font-size:.72em}

.doc-nhanh{margin:30px 0 8px;padding:22px 24px;border-radius:18px;background:var(--mat);border:1px solid var(--vach);position:relative;overflow:hidden}
.doc-nhanh::before{content:"";position:absolute;inset:0 auto 0 0;width:3px;background:var(--grad)}
.doc-nhanh .mat{display:block;margin-bottom:10px}
.doc-nhanh ul{margin:0 0 0 20px}
.doc-nhanh li{margin-bottom:7px}

.cuon{overflow-x:auto;margin:22px 0 8px;border-radius:18px;border:1px solid var(--vach);background:var(--mat)}
.cuon table{width:100%;border-collapse:collapse;font-size:14.5px;min-width:620px}
.cuon th,.cuon td{padding:12px 14px;text-align:left;vertical-align:top;border-top:1px solid var(--vach)}
.cuon thead th{border-top:0;font-size:12px;letter-spacing:.12em;text-transform:uppercase;color:var(--mo);font-weight:700}
.cuon td:first-child{color:var(--tieu);font-weight:700}
.cuon td.so,.cuon th.so{text-align:right;font-variant-numeric:tabular-nums;white-space:nowrap}
.cuon tr.tong td{color:var(--tieu);font-weight:700;background:rgba(79,211,255,.06)}
.chu-thich{font-size:13.5px;color:var(--mo);margin:6px 2px 18px}

figure.so-do{margin:26px 0 10px}
figure.so-do .cuon{padding:14px 10px 6px}
figure.so-do svg{display:block;width:100%;min-width:640px;height:auto}
figure.so-do figcaption{font-size:13.5px;color:var(--mo);margin-top:8px}
.vuot{display:none;font-size:12.5px;color:var(--ngoc);margin-top:6px}
svg .hop{fill:#0f1a2a;stroke:rgba(140,200,255,.35);stroke-width:1.2}
svg .hop-sang{fill:rgba(79,211,255,.08);stroke:#4fd3ff;stroke-width:1.4}
svg .cao{stroke:#4fd3ff;stroke-width:2.4;fill:none}
svg .thap{stroke:#8a9cb1;stroke-width:2;fill:none;stroke-dasharray:6 5}
svg .muoi{fill:#4fd3ff}
svg .muoi-x{fill:#8a9cb1}
svg text{font-family:"Be Vietnam Pro",system-ui,sans-serif;fill:#d7e3ef;font-size:14px}
svg text.dam{font-weight:700;fill:#f5faff}
svg text.nho{font-size:12px;fill:#8a9cb1}
svg text.xanh{fill:#4fd3ff;font-size:12.5px}
svg text.tieu-de{font-size:13px;font-weight:700;letter-spacing:.18em;fill:#4fd3ff}

.cong-thuc{margin:18px 0;padding:16px 20px;border-radius:14px;border:1px solid rgba(79,211,255,.35);background:rgba(79,211,255,.05);font-size:16px;color:var(--tieu);overflow-x:auto}
.cong-thuc small{display:block;color:var(--mo);font-size:13.5px;margin-top:6px}
.frac{display:inline-flex;flex-direction:column;vertical-align:middle;text-align:center;margin:0 4px;font-size:.92em}
.frac>span:first-child{border-bottom:1px solid var(--chu);padding:0 4px 2px}
.frac>span:last-child{padding:2px 4px 0}

.ket-luan{margin:30px 0;padding:22px 24px;border-radius:18px;background:linear-gradient(135deg,rgba(63,208,255,.10),rgba(106,123,255,.10));border:1px solid rgba(106,123,255,.35)}
.ket-luan h3{margin-top:0}
.ket-luan ol{margin-bottom:0}

.cta{margin:44px 0 10px;padding:26px;border-radius:20px;background:var(--mat2);border:1px solid var(--vach);display:flex;gap:18px;align-items:center;justify-content:space-between;flex-wrap:wrap}
.cta p{margin:0;max-width:470px;color:var(--tieu)}
.cta p small{display:block;color:var(--mo);margin-top:4px;font-size:14px}
.cta .cum{display:flex;gap:10px;flex-wrap:wrap}

.nguon{margin-top:46px;padding-top:22px;border-top:1px solid var(--vach);font-size:14px;color:var(--mo)}
.nguon h2{font-size:16px;letter-spacing:.14em;text-transform:uppercase;margin:0 0 12px;color:var(--mo)}
.nguon ol{margin-left:20px}
.nguon li{margin-bottom:6px}
.nguon a{color:var(--chu);border-bottom:1px solid rgba(140,200,255,.25)}
.ghi-chu-bai{font-size:13.5px;color:var(--mo);margin-top:14px}
.chan-bai{border-top:1px solid var(--vach);padding:26px 0 40px;text-align:center;font-size:13.5px;color:var(--mo)}
.chan-bai a{color:var(--ngoc)}

@media (max-width:700px){
 .noi-dung-bai{padding-top:30px}
 .sapo{font-size:17.5px}
 .vuot{display:block}
 .dau nav .nut.vien{display:none}
}

/* Bo sung cho khung 7 trang */
.banner{width:100%}
.dau-track h1{font-size:clamp(28px,3.2vw,40px);line-height:1.2;color:var(--tieu)}
.dau-track h1 em{font:400 italic 1.08em "Playfair",serif;color:var(--ngoc)}
.track.trang{padding-top:52px;padding-bottom:40px}
.dan{font-size:18px;max-width:780px;margin-bottom:26px}
.o h4{font-size:18px;color:var(--tieu);margin-bottom:8px;line-height:1.3}
.o h4.to{font-size:24px}
.o .mat{display:block;margin-bottom:6px;font-size:11.5px}
.o ul{margin:0 0 0 18px}
.o li{margin-bottom:8px}
.o li::marker{color:var(--ngoc)}
.o .cuon{margin-top:18px}
.luoi3{display:grid;grid-template-columns:repeat(3,1fr);gap:18px}
.cach-tren{margin-top:18px}
.cum-gon{display:flex;gap:10px;flex-wrap:wrap;margin-top:20px}
.chon-cn{display:flex;flex-wrap:wrap;gap:8px;margin-bottom:26px}
.chon-cn a{font-size:13.5px;font-weight:700;padding:6px 16px;border-radius:99px;border:1px solid rgba(160,215,255,.3);color:var(--chu)}
.chon-cn a:hover{border-color:var(--ngoc);color:var(--tieu)}
.chon-cn a[aria-current]{background:var(--grad);border-color:transparent;color:#04121e}
.lk-nho{color:var(--ngoc);font-size:14px;font-weight:700}
.lk-nho:hover{text-decoration:underline}
.du-an{display:flex;flex-direction:column;align-items:flex-start}
.du-an .mo{flex:1;font-size:15px;margin-bottom:12px}
.hang-pp .mo{font-size:15px}
.logo-hang{display:inline-block;height:64px;margin:12px 0 12px;border-radius:10px;overflow:hidden;line-height:0}
.logo-hang img{display:block;height:64px;width:auto}
.logo-hang.nen-trang{background:#fff;padding:14px 18px}
.logo-hang.nen-trang img{height:36px}
.logo-hang.nen-zen{background:#12afb6;padding:6px 10px}
.logo-hang.nen-zen img{height:52px}
.logo-hang.tron{border-radius:50%}
.logo-hang.vuong-trang{background:#fff;padding:5px}
.logo-hang.vuong-trang img{height:54px}
.logo-hang+h4{margin-top:0}
.nut-dk .phu{width:28px;height:28px;border-radius:50%;border:1px solid var(--vach);color:var(--chu)}
.nut-dk .phu svg{width:14px;height:14px}
.dang-phat small{display:block;white-space:nowrap;overflow:hidden;text-overflow:ellipsis}
.dang-phat>div{min-width:0}
@media (max-width:520px){.dang-phat small .ten-nho{display:none}.nut-dk{gap:12px}}
#nhac .i-dung{display:none}
#nhac.dang-nghe .i-dung{display:block}
#nhac.dang-nghe .i-phat{display:none}
.nut-dk button:focus-visible,.nut-dk a:focus-visible{outline:2px solid var(--ngoc);outline-offset:2px}
.dia.mv{display:block;color:inherit;text-decoration:none}
.dia.mv img{aspect-ratio:16/9;height:auto}
.cong-trinh{margin-top:18px;border-color:rgba(79,211,255,.4)}
.dong-thoi-gian{display:grid;grid-template-columns:repeat(4,minmax(0,1fr));gap:18px}
.anh-sp{display:block;width:100%;height:auto;border-radius:12px;margin-bottom:16px}
.luoi2.nano{margin-top:18px}
.luoi2.nano .o h4{margin-top:0}
.nc-ngang{display:grid;grid-template-columns:220px minmax(0,1fr);gap:24px;align-items:center;margin-top:16px}
.nc-ngang figure{margin:0}
.sp-ngang{display:grid;grid-template-columns:320px minmax(0,1fr);gap:28px;align-items:start}
.sp-ngang figure{margin:0}
.tieu-muc small{white-space:nowrap}
.cuon.vua table{min-width:0}
.sp-ngang img{display:block;width:100%;height:auto;border-radius:12px}
.tieu-nho{font-weight:700;margin:20px 0 8px}
.ten-vl{font-size:14px;color:var(--ngoc);margin:-2px 0 8px}
.tang-loc{list-style:none;margin:0;padding:0;counter-reset:t}
.tang-loc li{counter-increment:t;display:grid;grid-template-columns:26px minmax(120px,190px) minmax(0,1fr);gap:8px;padding:7px 0;border-top:1px solid var(--vach);font-size:15px}
.tang-loc li:first-child{border-top:0}
.tang-loc li::before{content:counter(t);color:var(--mo)}
.tang-loc li span{color:var(--mo)}
.nc-ngang img{display:block;width:100%;height:auto;border-radius:12px}
.nc-ngang figcaption{font-size:13px;color:var(--mo);margin-top:6px}
.moc{padding-top:14px;border-top:2px solid var(--ngoc)}
.moc b{display:block;font:400 italic 26px/1.2 "Playfair",serif;color:var(--tieu)}
.moc h4{font-size:17px;color:var(--tieu);margin-top:4px}
.moc p{font-size:14.5px}
.bieu-mau label{display:block;font-size:14px;font-weight:700;color:var(--tieu);margin-bottom:16px}
.bieu-mau input,.bieu-mau textarea,.bieu-mau select{display:block;width:100%;margin-top:6px;padding:12px 14px;border-radius:12px;background:#070c15;border:1px solid rgba(160,215,255,.25);color:var(--tieu);font:400 16px/1.5 "Be Vietnam Pro",system-ui,sans-serif}
.bieu-mau input:focus,.bieu-mau textarea:focus,.bieu-mau select:focus{outline:2px solid var(--ngoc);outline-offset:1px}
.bieu-mau textarea{min-height:130px;resize:vertical}
.bieu-mau textarea::placeholder{color:var(--mo)}
.bieu-mau .an{position:absolute;left:-9999px;width:1px;height:1px;overflow:hidden}
.bieu-mau .dong-y{font-size:13.5px;color:var(--mo);margin:2px 0 16px}
.bieu-mau button.nut{border:0;cursor:pointer;font-family:inherit}
.bieu-mau button.nut:disabled{opacity:.6;cursor:wait}
.hai-cot-form{grid-template-columns:minmax(0,1.9fr) minmax(0,1fr);align-items:start}
.bieu-mau select{appearance:none;padding-right:34px;background-image:linear-gradient(45deg,transparent 50%,var(--mo) 50%),linear-gradient(135deg,var(--mo) 50%,transparent 50%);background-position:calc(100% - 18px) 50%,calc(100% - 13px) 50%;background-size:5px 5px;background-repeat:no-repeat}
.bieu-mau select option{background:#070c15;color:var(--tieu)}
.bieu-mau .buoc{font-size:15px;font-weight:700;color:var(--ngoc);margin:22px 0 12px}
.bieu-mau>.buoc:first-child{margin-top:0}
.bieu-mau label.bb>input,.bieu-mau label.bb>select,.bieu-mau label.bb>textarea,.bieu-mau label.bb>span{margin-top:6px}
.bieu-mau label.bb{position:relative}
.bieu-mau label.bb::before{content:"*";color:#ff9c9c;position:absolute;right:0;top:0}
.chon-loai{display:grid;grid-template-columns:repeat(3,minmax(0,1fr));gap:10px}
.bieu-mau .the-loai{position:relative;display:block;margin:0;padding:12px 14px;border-radius:12px;border:1px solid rgba(160,215,255,.25);background:#070c15;cursor:pointer}
.bieu-mau .the-loai input{position:absolute;opacity:0;width:1px;height:1px;margin:0;padding:0}
.bieu-mau .the-loai b{display:block;font-size:14.5px;color:var(--tieu)}
.bieu-mau .the-loai small{display:block;font-weight:400;font-size:12.5px;line-height:1.4;color:var(--mo);margin-top:3px}
.bieu-mau .the-loai:hover{border-color:var(--ngoc)}
.bieu-mau .the-loai:has(input:checked){border-color:var(--ngoc);background:rgba(120,220,210,.1)}
.bieu-mau .the-loai:has(input:focus-visible){outline:2px solid var(--ngoc);outline-offset:1px}
.khoi-tt{border:0;margin:0;padding:0;min-width:0}
.luoi-tt{display:grid;grid-template-columns:repeat(2,minmax(0,1fr));gap:0 14px}
.luoi-tt .ca-dong{grid-column:1/-1}
.bieu-mau .cs{display:grid;grid-template-columns:minmax(0,1fr) minmax(0,8.5em);gap:8px}
.bieu-mau .co-dv{display:block;position:relative}
.bieu-mau .co-dv input{padding-right:70px}
.bieu-mau .co-dv i{position:absolute;right:12px;top:50%;transform:translateY(-50%);font-style:normal;font-weight:400;font-size:12.5px;color:var(--mo);pointer-events:none}
.bieu-mau [aria-invalid=true]{border-color:#ff7a7a}
.chat-ai{position:fixed;right:20px;bottom:92px;z-index:70;font-family:"Be Vietnam Pro",system-ui,sans-serif}
.chat-ai.khong-player{bottom:20px}
.chat-mo{display:flex;align-items:center;gap:9px;padding:7px 16px 7px 7px;border-radius:999px;border:1px solid rgba(160,215,255,.35);background:#0d1524;color:var(--tieu);font:700 14px/1.2 inherit;font-family:inherit;cursor:pointer;box-shadow:0 8px 28px rgba(0,0,0,.45)}
.chat-mo:hover{border-color:var(--ngoc)}
.chat-mo img,.chat-khung header img{border-radius:50%;object-fit:cover}
.chat-ai.mo .chat-mo{display:none}
.chat-khung{width:370px;max-width:calc(100vw - 24px);height:min(520px,calc(100vh - 130px));display:flex;flex-direction:column;border-radius:16px;border:1px solid rgba(160,215,255,.3);background:#0b1220;box-shadow:0 14px 44px rgba(0,0,0,.55);overflow:hidden}
.chat-khung[hidden]{display:none}
.chat-khung header{display:flex;align-items:center;gap:10px;padding:10px 12px;border-bottom:1px solid var(--vach)}
.chat-khung header div{flex:1;min-width:0}
.chat-khung header b{display:block;font-size:15px;color:var(--tieu)}
.chat-khung header small{display:block;font-size:12px;color:var(--mo)}
.chat-dong{background:none;border:0;color:var(--mo);font-size:24px;line-height:1;padding:4px 8px;cursor:pointer}
.chat-tin{flex:1;overflow-y:auto;padding:12px;display:flex;flex-direction:column;gap:8px}
.chat-tin .tin{max-width:86%;padding:8px 12px;border-radius:12px;font-size:14.5px;line-height:1.5;white-space:pre-wrap;overflow-wrap:anywhere;margin:0}
.chat-tin .ai{align-self:flex-start;background:#152033;color:var(--chu)}
.chat-tin .kh{align-self:flex-end;background:rgba(120,220,210,.16);color:var(--tieu)}
.chat-tin .dang{color:var(--mo);font-style:italic}
.chat-nhap{display:flex;gap:8px;padding:10px 12px 4px;border-top:1px solid var(--vach)}
.chat-nhap textarea{flex:1;min-width:0;resize:none;max-height:96px;padding:9px 12px;border-radius:12px;background:#070c15;border:1px solid rgba(160,215,255,.25);color:var(--tieu);font:400 16px/1.4 "Be Vietnam Pro",system-ui,sans-serif}
.chat-nhap textarea:focus{outline:2px solid var(--ngoc);outline-offset:1px}
.chat-nhap .nut{border:0;cursor:pointer;font-family:inherit;padding:0 16px}
.chat-nhap .nut:disabled{opacity:.6;cursor:wait}
.chat-chu{font-size:11.5px;color:var(--mo);padding:2px 12px 9px;margin:0}
@media (max-width:900px){.hai-cot-form{grid-template-columns:minmax(0,1fr)}}
@media (max-width:620px){.chon-loai{grid-template-columns:repeat(2,minmax(0,1fr))}.luoi-tt{grid-template-columns:minmax(0,1fr)}.chat-ai{right:12px}.chat-mo span{font-size:13px}.chat-khung{height:min(500px,calc(100vh - 150px))}}
.thong-bao{display:none;margin-top:14px;padding:12px 16px;border-radius:12px;font-size:14.5px}
.thong-bao.tot{display:block;color:#7ff0c2;background:rgba(60,220,160,.08);border:1px solid rgba(60,220,160,.4)}
.thong-bao.canh{display:block;color:#ffd866;background:rgba(255,196,0,.05);border:1px solid rgba(255,196,0,.45)}
.thong-bao.loi{display:block;color:#ff9c9c;background:rgba(255,90,90,.07);border:1px solid rgba(255,90,90,.4)}
.chan p{margin-top:6px}
.chan a:hover{color:var(--ngoc)}
.mxh{display:flex;gap:18px;justify-content:center;font-weight:700;color:var(--chu);margin-bottom:6px}
.ke-tiep{display:flex;flex-direction:column;align-items:flex-end;margin-top:44px;padding-top:18px;border-top:1px solid var(--vach)}
.ke-tiep small{font-size:12.5px;color:var(--mo);letter-spacing:.12em;text-transform:uppercase}
.ke-tiep b{font-size:20px;color:var(--tieu)}
.ke-tiep:hover b{color:var(--ngoc)}
.nhan-cho{display:inline-block;font-size:11.5px;font-weight:700;line-height:1.5;padding:1px 9px;border-radius:99px;color:#ffd866;border:1px dashed rgba(255,196,0,.55);margin-left:8px;vertical-align:middle}
.nut-dk a{color:var(--chu);display:grid;place-items:center}
.nut-dk a svg{width:18px;height:18px}
.nut-dk a:hover{color:var(--ngoc)}
.nut-dk .giua{width:34px;height:34px;border-radius:50%;background:var(--tieu);color:#05070d;border:0;cursor:pointer;display:grid;place-items:center}
.noi-dung-bai .cho-duyet{margin:0 0 22px}
@media (max-width:900px){
 .luoi3,.dong-thoi-gian{grid-template-columns:1fr}
 .nc-ngang{grid-template-columns:1fr}
 .nc-ngang figure{max-width:280px}
 .sp-ngang{grid-template-columns:minmax(0,1fr)}
 .sp-ngang figure{max-width:280px}
 .luoi3.test{grid-template-columns:repeat(2,minmax(0,1fr));gap:12px}
 .luoi3.test .o{padding:14px}
 .luoi3.test h4{font-size:16px}
 .luoi3.test .mo{font-size:14px}
 .cuon.vua th,.cuon.vua td{padding:10px 9px;font-size:13.5px}
 .cuon.vua thead th{letter-spacing:.04em;font-size:11px;white-space:normal}
 .tang-loc li{grid-template-columns:22px minmax(0,1fr)}
 .tang-loc li span{grid-column:2}
 .track.trang{padding-top:34px}
 .dan{font-size:16.5px}
 .dau nav .nut{padding:8px 14px;font-size:13.5px}
 .logo{font-size:15px}
 .ke-tiep{align-items:flex-start}
}
@media (max-width:420px){
 .logo i{display:none}
 .dau nav{gap:6px}
 .ngon-ngu a{padding:5px 9px}
}