.km-bang{--km-nen: linear-gradient(100deg, #4b1a86 0%, #7a2a9c 45%, #c2410c 100%);position:relative;display:flex;align-items:center;gap:var(--sp-3);width:calc(100% - 24px);max-width:900px;margin:12px auto 0;padding:10px 12px 10px 16px;border-radius:20px;background:url(../icons/space/sao.svg) 0 0 / 260px 260px,var(--km-nen);border:2px solid rgb(255 255 255 / .18);box-shadow:0 5px #08041ed9,var(--shadow-mo);color:#fff;overflow:hidden}.km-bang.kmb-vu-tru{--km-nen: linear-gradient(100deg, #2c1f96 0%, #1b2a94 55%, #0e6a8f 100%)}.km-bang.kmb-anh{--km-nen: linear-gradient(100deg, #3730c4 0%, #7c5cff 100%)}.km-bang-ico{flex:none;font-size:30px;line-height:1;filter:drop-shadow(0 2px 0 rgb(0 0 0 / .3))}.km-bang-chu{flex:1;min-width:0;display:flex;flex-direction:column;line-height:1.3}.km-bang-chu strong{font-family:var(--font-heading);font-weight:800;font-size:var(--fs-body);color:#fff}.km-bang-chu strong em{font-style:normal;color:var(--ten-lua-sang)}.km-bang-chu span{font-size:var(--fs-sm);font-weight:600;color:#ffffffdb}.km-bang .btn{flex:none;--nut-cao: 4px;min-height:44px;padding:6px 16px;font-size:var(--fs-sm)}.km-bang.gon{padding-block:8px}@media (max-width: 480px){.km-bang{gap:10px;padding:8px 10px 8px 12px}.km-bang-ico{font-size:24px}.km-bang-chu strong{font-size:16px}.km-bang-chu span{font-size:13px}.km-bang .btn{min-height:40px;padding:4px 12px;font-size:14px}}.km-man{position:fixed;top:0;right:0;bottom:0;left:0;z-index:60;display:grid;place-items:center;padding:16px;overflow-y:auto;background:#050314b8;animation:km-hien .25s ease-out}@keyframes km-hien{0%{opacity:0}}.km-popup{position:relative;width:min(392px,100%);border-radius:30px;overflow:hidden;color:#fff;text-align:center;box-shadow:0 10px #12062b,0 30px 70px #0009;animation:km-noi .35s cubic-bezier(.2,1.4,.4,1)}@keyframes km-noi{0%{transform:translateY(24px) scale(.94);opacity:0}}.km-dong{position:absolute;top:10px;right:10px;z-index:3;width:44px;height:44px;border-radius:50%;display:grid;place-items:center;font-size:22px;font-weight:800;color:#fff;background:#00000061;border:2px solid rgb(255 255 255 / .35)}.km-than{position:relative;z-index:2;display:flex;flex-direction:column;align-items:center;gap:10px;padding:26px 22px 22px}.km-nhan{padding:4px 14px;border-radius:999px;font-family:var(--font-heading);font-weight:800;font-size:var(--fs-sm);letter-spacing:.02em;background:#ffffff24;border:1px solid rgb(255 255 255 / .3)}.km-so{display:flex;align-items:flex-start;justify-content:center;gap:6px;margin:0;font-family:var(--font-heading);font-weight:800;line-height:.9;color:#fff}.km-so small{margin-top:14px;font-size:22px;letter-spacing:.08em;writing-mode:vertical-rl;transform:rotate(180deg);color:#ffffffe6}.km-so b{font-size:104px;font-weight:800;background:linear-gradient(180deg,#fff3c4,#ffd76a 38%,#ff8a1f);-webkit-background-clip:text;background-clip:text;color:transparent;filter:drop-shadow(0 4px 0 rgb(80 20 0 / .55));font-variant-numeric:tabular-nums}.km-loi{margin:0;max-width:30ch;font-weight:700;font-size:var(--fs-body);line-height:1.35;color:#fff;text-wrap:balance}.km-gia-tu{margin:0;font-size:var(--fs-sm);font-weight:600;color:#ffffffe0}.km-gia-tu strong{color:var(--ten-lua-sang);font-size:var(--fs-body)}.km-dem{display:grid;grid-template-columns:repeat(4,1fr);gap:8px;width:100%;margin-top:4px}.km-dem div{display:flex;flex-direction:column;padding:6px 0 4px;border-radius:14px;background:#00000052;border:1px solid rgb(255 255 255 / .16)}.km-dem b{font-family:var(--font-heading);font-size:28px;line-height:1.1;font-variant-numeric:tabular-nums}.km-dem span{font-size:13px;font-weight:700;color:#ffffffbf}.km-han{margin:0;font-size:var(--fs-sm);font-weight:700;color:#ffffffd9}.km-than .btn-primary{width:100%;margin-top:4px}.km-de-sau{min-height:44px;padding:4px 12px;font-size:var(--fs-sm);font-weight:700;color:#ffffffc7;text-decoration:underline;text-underline-offset:3px}.km-halloween{background:radial-gradient(circle at calc(100% - 96px) 46px,#fff6c9 0 30px,rgb(255 230 140 / .35) 31px,transparent 70px),url(../icons/space/sao.svg) 0 0 / 240px 240px,radial-gradient(ellipse 120% 60% at 50% 110%,rgb(255 120 30 / .55),transparent 70%),linear-gradient(170deg,#2a0f5c,#4b1a86 52%,#1c0b3f);border:2px solid rgb(255 160 70 / .45)}.km-halloween .km-nhan{background:#ff8a1f40;border-color:#ffb45c99}.km-trang-tri{position:absolute;top:0;right:0;bottom:0;left:0;z-index:1;pointer-events:none}.km-trang-tri svg{position:absolute}.km-doi{width:46px;top:22px;left:18px;animation:km-bay 3.2s ease-in-out infinite}.km-doi.hai{width:32px;top:54px;left:52px;animation-delay:-1.4s}.km-doi.ba{width:26px;top:10px;left:104px;animation-delay:-2.2s}@keyframes km-bay{50%{transform:translate(6px,-8px) rotate(-6deg)}}.km-ma{width:56px;top:134px;left:8px;opacity:.95;animation:km-lo-lung 4s ease-in-out infinite}@keyframes km-lo-lung{50%{transform:translateY(-10px)}}.km-dat{position:absolute;left:-10%;right:-10%;bottom:-38px;height:92px;border-radius:50% 50% 0 0;background:linear-gradient(180deg,#2b0e4f,#160628);box-shadow:inset 0 3px #ffa04659}.km-bi-ngo{width:84px;bottom:4px;right:12px}.km-bi-ngo.nho{width:50px;right:84px;bottom:2px}.km-bi-ngo.trai{width:68px;left:12px;right:auto;bottom:4px}.km-logo{position:absolute;left:50%;bottom:14px;width:84px;height:auto;transform:translate(-50%);filter:brightness(0) invert(1);opacity:.95}.km-phu-thuy{width:140px;top:2px;right:60px;color:#0b0218;opacity:.88;transform:rotate(-7deg);animation:km-luot 6s ease-in-out infinite}@keyframes km-luot{50%{transform:translate(-8px,-5px) rotate(-9deg)}}.km-halloween .km-than{padding-top:80px;padding-bottom:74px}.km-vu-tru{background:url(../icons/space/ten-lua.svg) right -6px top 22px / 84px auto no-repeat,url(../icons/space/hanh-tinh-vanh.svg) left -40px top 64px / 104px auto no-repeat,url(../icons/space/sao.svg) 0 0 / 240px 240px,radial-gradient(circle at 20% -10%,rgb(124 92 255 / .8),transparent 62%),linear-gradient(160deg,#2c1f96,#1b2a94 55%,#123c8f);border:2px solid rgb(255 255 255 / .2)}.km-anh{background:linear-gradient(180deg,#1d1650,#0b1030);border:2px solid rgb(255 255 255 / .2)}.km-anh-nut{display:block;width:100%;padding:0;aspect-ratio:4 / 5;max-height:62vh;background:#0b1030}.km-anh-nut img{display:block;width:100%;height:100%;object-fit:contain}.km-anh .km-than{padding-top:14px;gap:8px}@media (max-height: 640px){.km-so b{font-size:80px}.km-than{gap:8px;padding-top:20px}.km-ma{display:none}}@media (max-width: 420px){.km-ma{top:auto;bottom:10px;left:80px;width:40px;z-index:1}}@media (max-width: 340px){.km-so b{font-size:88px}}body .km-popup .btn-primary{--nut-de: var(--ten-lua-dam);--nut-cao: 6px;min-height:60px;border-radius:999px;background:linear-gradient(180deg,var(--ten-lua-sang) 0%,var(--ten-lua) 55%,#fb8500 100%);color:var(--ten-lua-chu);padding:16px 24px;font-family:var(--font-heading);font-weight:800;font-size:22px;box-shadow:var(--nut-bong),0 var(--nut-cao) 0 var(--nut-de),0 calc(var(--nut-cao) + 6px) 14px #03061c47}.tn{--fs-body: 18px;--fs-sm: 15px;--fs-lg: 22px;--fs-xl: 28px;--fs-2xl: 36px;--tn-rong: 1040px;padding-bottom:84px}.tn-thanh-tren{position:sticky;top:0;z-index:20;display:flex;align-items:center;gap:8px;padding:10px max(16px,calc(50% - var(--tn-rong) / 2));background:#0d1238f5;border-bottom:1px solid rgb(255 255 255 / .14);box-shadow:0 6px 18px #03061c73}.tn-logo{display:block;height:32px;width:auto;max-width:30vw;object-fit:contain;object-position:left center;filter:brightness(0) invert(1)}.tn-nut-nho{--nut-cao: 3px;min-height:42px;padding:6px 14px;font-size:var(--fs-sm);white-space:nowrap}.tn-thanh-tren .btn-ghost{--nut-de: rgb(0 0 0 / .4);--nut-bong: inset 0 1px 0 rgb(255 255 255 / .28);background:#ffffff1f;border-color:#ffffff42;color:#fff}.tn-mo-dau{position:relative;width:calc(100% - 24px);max-width:var(--tn-rong);margin:14px auto 0;padding:26px 20px 28px;border-radius:30px;overflow:hidden;color:#fff;border:2px solid rgb(255 255 255 / .16);background:url(../icons/space/phi-hanh-gia.svg) right -18px bottom -26px / 120px auto no-repeat,url(../icons/space/sao.svg) 0 0 / 300px 300px,radial-gradient(circle at 16% -10%,rgb(124 92 255 / .75),transparent 62%),linear-gradient(135deg,#2c1f96,#1b2a94 55%,#123c8f);box-shadow:0 8px #080b2b,var(--sau)}.tn-mo-dau-chu{position:relative;display:flex;flex-direction:column;align-items:flex-start;gap:12px;max-width:640px}.tn-huy-hieu{padding:4px 14px;border-radius:18px;background:#ffffff29;border:1px solid rgb(255 255 255 / .3);font-family:var(--font-heading);font-weight:800;font-size:var(--fs-sm);line-height:1.35}.tn-mo-dau h1{margin:0;color:#fff;font-size:clamp(31px,7.6vw,54px);line-height:1.12;text-wrap:balance;text-shadow:0 3px 0 rgb(0 0 0 / .28)}.tn-mo-dau h1 em{font-style:normal;color:var(--ten-lua-sang)}.tn-mo-dau p{margin:0;max-width:58ch;font-weight:600;color:var(--tren-nen-mo)}.tn-nut-hang{display:flex;flex-wrap:wrap;gap:12px;margin-top:6px}.tn-gia-goi-y{font-size:var(--fs-sm)}.tn-lien{white-space:nowrap}.tn-mo-dau .tn-gia-goi-y strong{color:var(--ten-lua-sang);font-size:var(--fs-body)}@media (max-width: 560px){.tn-mo-dau{padding-bottom:96px;background-size:104px auto,300px 300px,auto,auto}.tn-nut-hang{width:100%}.tn-nut-hang .btn{flex:1 1 100%}}@media (min-width: 760px){.tn-mo-dau{padding:44px 44px 46px;background-size:210px auto,300px 300px,auto,auto;background-position:right 24px bottom -30px,0 0,0 0,0 0}}.tn-than{max-width:var(--tn-rong);margin:0 auto;padding:36px 16px 8px;display:flex;flex-direction:column;gap:48px}.tn-muc h2{margin:0 0 6px;font-size:var(--fs-xl);color:var(--tren-nen);text-wrap:balance}.tn-muc-loi{margin:0 0 18px;max-width:62ch;color:var(--tren-nen-mo);font-weight:600}.tn-luoi{display:grid;gap:16px}.tn-luoi-3{grid-template-columns:repeat(auto-fit,minmax(250px,1fr))}.tn-chuong-trinh{display:flex;flex-direction:column;align-items:flex-start;gap:8px;padding:20px}.tn-chuong-trinh h3{margin:0;font-size:var(--fs-lg)}.tn-chuong-trinh p{margin:0;color:var(--muc-mo)}.tn-ico{font-size:36px;line-height:1}.tn-khoi{padding:2px 12px;border-radius:999px;background:var(--navy-soft);color:var(--navy-text);font-family:var(--font-heading);font-weight:800;font-size:var(--fs-sm)}.tn-buoc{counter-reset:buoc;list-style:none;margin:0;padding:0;display:grid;gap:16px;grid-template-columns:repeat(auto-fit,minmax(220px,1fr))}.tn-buoc li{counter-increment:buoc;display:flex;flex-direction:column;gap:6px;padding:18px 20px}.tn-buoc li:before{content:counter(buoc);display:grid;place-items:center;width:40px;height:40px;border-radius:50%;background:linear-gradient(180deg,var(--ten-lua-sang),var(--ten-lua));box-shadow:0 3px 0 var(--ten-lua-dam);color:var(--ten-lua-chu);font-family:var(--font-heading);font-weight:800;font-size:20px}.tn-buoc strong{font-family:var(--font-heading);font-size:var(--fs-body);color:var(--navy);line-height:1.3}.tn-buoc span{color:var(--muc-mo);font-size:var(--fs-sm)}.tn-tro-choi{display:flex;justify-content:center;gap:14px;margin-top:20px}.tn-tro-choi img{width:min(260px,46%);height:auto;border-radius:20px;box-shadow:var(--shadow-mo)}.tn-luoi-gia{grid-template-columns:repeat(2,minmax(0,1fr));gap:22px 12px}@media (min-width: 880px){.tn-luoi-gia{grid-template-columns:repeat(4,minmax(0,1fr));gap:18px}}.tn-the-gia{position:relative;display:flex;flex-direction:column;align-items:center;gap:4px;padding:22px 12px 16px;text-align:center}.tn-the-gia.noi{box-shadow:0 0 0 4px var(--ten-lua),var(--shadow)}.tn-ruy-bang{position:absolute;top:-13px;left:50%;transform:translate(-50%);padding:2px 12px;border-radius:999px;background:var(--ten-lua);color:var(--ten-lua-chu);font-family:var(--font-heading);font-weight:800;font-size:13px;white-space:nowrap}.tn-the-gia h3{margin:0;font-size:var(--fs-lg)}.tn-giam{padding:1px 10px;border-radius:999px;background:var(--navy-soft);color:var(--navy-text);font-weight:800;font-size:14px}.tn-giam.dot{background:var(--orange-soft);color:var(--orange-text)}.tn-gia-cu{color:var(--muc-nhat);font-size:15px;font-variant-numeric:tabular-nums}.tn-gia{font-family:var(--font-heading);font-weight:800;font-size:clamp(23px,6.4vw,30px);line-height:1.1;color:var(--navy);font-variant-numeric:tabular-nums}.tn-gia-thang{color:var(--muc-mo);font-size:14px}.tn-the-gia .btn{width:100%;margin-top:10px;padding:8px 10px;font-size:16px}.tn-gia-cho{display:flex;flex-direction:column;align-items:center;gap:10px}.tn-gia-cho p{margin:0;color:var(--muc-mo)}.tn-sap-mo{margin:16px 0 0;color:var(--tren-nen-mo);font-size:var(--fs-sm);font-weight:600}.tn-giua{display:flex;justify-content:center;margin-top:22px}@media (max-width: 560px){.tn-giua .btn{width:100%}}.tn-hoi{display:flex;flex-direction:column;gap:12px}.tn-hoi details{padding:14px 20px}.tn-hoi summary{cursor:pointer;min-height:32px;font-family:var(--font-heading);font-weight:800;color:var(--navy)}.tn-hoi p{margin:8px 0 0;color:var(--muc-mo)}.tn-hoi a{color:var(--navy);font-weight:700}.tn-hoc-thu{margin:0;text-align:center;color:var(--tren-nen-mo);font-weight:600}.tn-hoc-thu a{color:var(--ten-lua-sang);font-weight:800}.tn-chan{display:flex;flex-direction:column;align-items:center;gap:4px;padding:32px 16px 24px;margin-top:36px;border-top:1px solid rgb(255 255 255 / .12);text-align:center;font-size:var(--fs-sm);color:var(--tren-nen-mo)}.tn-chan .tn-logo{margin-bottom:8px}.tn-chan p{margin:0}.tn-chan a{color:#fff;font-weight:700}.tn-thanh-mua{position:fixed;left:0;right:0;bottom:0;z-index:30;display:flex;align-items:center;gap:12px;padding:10px max(16px,calc(50% - var(--tn-rong) / 2)) calc(10px + env(safe-area-inset-bottom));background:#0d1238f7;border-top:1px solid rgb(255 255 255 / .16);box-shadow:0 -8px 24px #03061c73}.tn-thanh-mua-chu{flex:1;min-width:0;display:flex;flex-direction:column;line-height:1.25}.tn-thanh-mua-chu strong{color:#fff;font-family:var(--font-heading);font-size:17px}.tn-thanh-mua-chu span{color:var(--ten-lua-sang);font-size:13px;font-weight:700}.tn-thanh-mua .btn{flex:none;--nut-cao: 4px;min-height:48px;padding:8px 22px;font-size:17px}@font-face{font-family:"Baloo 2";font-style:normal;font-weight:400 800;font-display:swap;src:url(../fonts/baloo2-vietnamese.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:"Baloo 2";font-style:normal;font-weight:400 800;font-display:swap;src:url(../fonts/baloo2-latin-ext.woff2) format("woff2");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:"Baloo 2";font-style:normal;font-weight:400 800;font-display:swap;src:url(../fonts/baloo2-latin.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:Quicksand;font-style:normal;font-weight:300 700;font-display:swap;src:url(../fonts/quicksand-vietnamese.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:Quicksand;font-style:normal;font-weight:300 700;font-display:swap;src:url(../fonts/quicksand-latin-ext.woff2) format("woff2");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:Quicksand;font-style:normal;font-weight:300 700;font-display:swap;src:url(../fonts/quicksand-latin.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}:root{--bg: #0b1030;--surface: #ffffff;--surface-2: #eef0ff;--border: #dcdffa;--muc: #1d2148;--muc-mo: #4b5080;--muc-nhat: #8086b3;--tren-nen: #f4f6ff;--tren-nen-mo: #b8c0f2;--text: var(--tren-nen);--text-soft: var(--tren-nen-mo);--text-faint: #9099d8;--vt-dem: #0b1030;--vt-cham: #151a52;--vt-tim: #2a1466;--tinh-van: #7c5cff;--tinh-van-dam: #4f35c9;--sao-bang: #2dd4f0;--sao-bang-dam: #0e9fb8;--ten-lua: #ffb703;--ten-lua-sang: #ffd76a;--ten-lua-dam: #c96a00;--ten-lua-chu: #3b1c00;--brand: #ff4d6d;--brand-dark: #d81b4a;--brand-soft: #ffe6ec;--brand-text: #c2143f;--on-brand: #ffffff;--navy: #3730c4;--navy-dark: #231d8a;--navy-soft: #ecebff;--navy-text: #3730c4;--accent: #ffc93c;--accent-dark: #e0a81a;--accent-soft: #fff3d6;--accent-text: #8a5b00;--mint: #3ec6a8;--mint-dark: #2fa88d;--orange: #f5a623;--orange-dark: #d98a0b;--orange-soft: #fff1dc;--orange-text: #9a5200;--ok: #3ec6a8;--ok-soft: #e5f8f3;--ok-text: #0e8c6f;--warn: #ffc93c;--warn-soft: #fff3d6;--warn-text: #8a5b00;--err: #f2848a;--err-soft: #ffe9ea;--err-text: #b3261e;--tier-1: #c0651f;--tier-2: #6b7fa3;--tier-3: #c98a00;--tier-4: #0fa588;--font: "Quicksand", "Segoe UI", system-ui, -apple-system, sans-serif;--font-heading: "Baloo 2", "Quicksand", "Segoe UI", system-ui, sans-serif;--fs-body: 20px;--fs-sm: 17px;--fs-lg: 24px;--fs-xl: 30px;--fs-2xl: 38px;--lh: 1.6;--sp-1: 4px;--sp-2: 8px;--sp-3: 12px;--sp-4: 16px;--sp-5: 24px;--sp-6: 32px;--sp-7: 48px;--radius: 26px;--radius-sm: 14px;--radius-lg: 32px;--tap: 48px;--de: #b3b8f5;--de-dam: #9a9fe6;--sau: 0 18px 40px rgb(3 6 28 / .5);--shadow: 0 7px 0 var(--de), var(--sau);--shadow-lg: 0 11px 0 var(--de), 0 26px 50px rgb(3 6 28 / .55);--shadow-mo: 0 16px 36px rgb(3 6 28 / .45);color-scheme:light}:root[data-present=on]{--fs-body: 34px;--fs-sm: 28px;--fs-lg: 44px;--fs-xl: 56px;--fs-2xl: 72px}.card,.feedback,.badge,.tag,.btn,.expr,.blank-input,.grade-pill,.subject-card,.subject-group,.program-pill,.lua-chon,.tram-the,.o-so,.bang-giong,.bang-giong-phu{--text: var(--muc);--text-soft: var(--muc-mo);--text-faint: var(--muc-nhat)}body:not(.nen-qt):before,body:not(.nen-qt):after{content:"";position:fixed;top:0;right:0;bottom:0;left:0;z-index:-1;pointer-events:none;background-repeat:no-repeat}body:not(.nen-qt):before{background-image:url(../icons/space/hanh-tinh-vanh.svg),url(../icons/space/hanh-tinh-xanh.svg),url(../icons/space/mat-trang.svg),url(../icons/space/hanh-tinh-do.svg),url(../icons/space/hanh-tinh-tim.svg);background-size:190px auto,280px auto,120px auto,64px auto,70px auto;background-position:right -52px top 82px,left -116px bottom -96px,right -44px bottom 120px,left -22px top 36%,right -24px top 58%;opacity:.92}body:not(.nen-qt):after{background-image:url(../icons/space/sao-choi.svg),url(../icons/space/ve-tinh.svg),url(../icons/space/dia-bay.svg);background-size:120px auto,84px auto,76px auto;background-position:left -30px top 96px,left -30px bottom 30%,right -26px top 40%;opacity:.9}@media (min-width: 1000px){body:not(.nen-qt):before{background-size:210px auto,330px auto,170px auto,96px auto,110px auto;background-position:right max(-40px,calc(50vw - 640px)) top 92px,left -110px bottom -110px,right max(-50px,calc(50vw - 660px)) bottom -40px,left max(8px,calc(50vw - 610px)) top 44%,right max(10px,calc(50vw - 600px)) top 50%}body:not(.nen-qt):after{background-image:url(../icons/space/sao-choi.svg),url(../icons/space/ve-tinh.svg),url(../icons/space/dia-bay.svg),url(../icons/space/tram-vu-tru.svg),url(../icons/space/phi-hanh-gia.svg),url(../icons/space/ten-lua.svg),url(../icons/space/sao-choi.svg);background-size:150px auto,120px auto,110px auto,170px auto,110px auto,76px auto,110px auto;background-position:left max(4px,calc(50vw - 630px)) top 84px,left max(6px,calc(50vw - 620px)) bottom 30%,right max(18px,calc(50vw - 610px)) top 32%,left max(0px,calc(50vw - 636px)) top 210px,right max(24px,calc(50vw - 600px)) bottom 250px,left max(40px,calc(50vw - 590px)) top 62%,right max(60px,calc(50vw - 560px)) bottom 30px}}.ico{flex:none;display:grid;place-items:center;width:58px;height:58px;border-radius:20px;font-size:30px;line-height:1;background:var(--ico-nen, var(--navy-soft));box-shadow:inset 0 -4px #1d214814}.lua-chon{--lc-vien: var(--border);--lc-de: var(--de-dam);display:flex;align-items:center;gap:var(--sp-3);width:100%;min-height:60px;padding:var(--sp-3) var(--sp-4);text-align:left;font-size:var(--fs-body);color:var(--text);background:linear-gradient(180deg,#fff,#f1f2ff);border:3px solid var(--lc-vien);border-radius:20px;box-shadow:inset 0 2px #ffffffe6,0 6px 0 var(--lc-de);transition:transform .12s ease,box-shadow .12s ease,background .15s ease,border-color .15s ease}.lua-chon:active:not(:disabled){transform:translateY(4px);box-shadow:inset 0 2px #ffffffe6,0 2px 0 var(--lc-de)}.lua-chon:disabled{cursor:default}.lua-chon-chu{flex:none;display:grid;place-items:center;width:42px;height:42px;border-radius:50%;background:var(--surface-2);color:var(--text-soft);font-family:var(--font-heading);font-weight:800;box-shadow:inset 0 -3px #1d21481f}.lua-chon.is-chon{--lc-vien: var(--tinh-van);--lc-de: var(--tinh-van-dam);background:linear-gradient(180deg,#f3f0ff,#e6e0ff)}.lua-chon.is-chon .lua-chon-chu{background:var(--tinh-van);color:#fff}.lua-chon.is-dung{--lc-vien: var(--ok);--lc-de: var(--mint-dark);background:var(--ok-soft)}.lua-chon.is-dung .lua-chon-chu{background:var(--ok);color:#06382d}.lua-chon.is-sai{--lc-vien: var(--err);--lc-de: #e9a9ad;background:var(--err-soft)}.lua-chon.is-sai .lua-chon-chu{background:var(--err);color:#fff}body:not(.nen-qt) .appbar{background:#0d1238f5!important;border-bottom:1px solid rgb(255 255 255 / .14)!important;box-shadow:0 6px 18px #03061c73}body:not(.nen-qt) .appbar img,.logo-trang{filter:brightness(0) invert(1)}body:not(.nen-qt) .appbar .appbar-title,body:not(.nen-qt) .appbar .appbar-slogan{color:var(--tren-nen)}.appbar .btn{--nut-cao: 3px;min-height:44px;padding:6px 14px;font-size:var(--fs-sm);white-space:nowrap}body:not(.nen-qt) .appbar .btn-ghost{--nut-de: rgb(0 0 0 / .4);--nut-bong: inset 0 1px 0 rgb(255 255 255 / .28);background:#ffffff1f;border-color:#ffffff42;color:#fff}@media (max-width: 560px){.appbar{gap:6px!important}.appbar .btn{padding:6px 11px!important}}.appbar-brand .appbar-slogan{display:none}.appbar-brand .appbar-brand-spacer{flex:1}.chao{--chao-hinh: url(../icons/space/ten-lua.svg);position:relative;width:calc(100% - 24px);max-width:900px;margin:14px auto 0;padding:var(--sp-5) var(--sp-4);border-radius:30px;overflow:hidden;color:#fff;border:2px solid rgb(255 255 255 / .16);background:var(--chao-hinh) right 6px bottom 4px / 116px auto no-repeat,url(../icons/space/sao.svg) 0 0 / 300px 300px,radial-gradient(circle at 16% -10%,rgb(124 92 255 / .75),transparent 62%),linear-gradient(135deg,#2c1f96,#1b2a94 55%,#123c8f);box-shadow:0 8px #080b2b,var(--sau)}.chao-navy{--chao-hinh: url(../icons/space/phi-hanh-gia.svg);background:var(--chao-hinh) right 4px bottom -8px / 118px auto no-repeat,url(../icons/space/sao.svg) 0 0 / 300px 300px,radial-gradient(circle at 16% -10%,rgb(45 212 240 / .5),transparent 62%),linear-gradient(135deg,#1a2a94,#14478f 55%,#0e6a8f)}.chao-trong{position:relative;display:flex;flex-direction:column;gap:var(--sp-2);padding-right:112px}.chao h1{margin:0;color:#fff;font-size:clamp(27px,7vw,44px);line-height:1.16;text-wrap:balance;text-shadow:0 3px 0 rgb(0 0 0 / .28)}.chao h1 em{font-style:normal;color:var(--ten-lua-sang)}.chao p{margin:0;font-weight:600;color:var(--tren-nen-mo)}.chao-huy-hieu{align-self:flex-start;padding:4px 14px;border-radius:18px;line-height:1.35;background:#ffffff29;border:1px solid rgb(255 255 255 / .3);color:#fff;font-family:var(--font-heading);font-weight:800;font-size:var(--fs-sm)}.chao-the{display:flex;flex-wrap:wrap;gap:var(--sp-2);margin-top:var(--sp-2)}.chao-the span{display:inline-flex;align-items:center;gap:6px;padding:4px 12px;border-radius:999px;background:#ffffff24;font-weight:700;font-size:var(--fs-sm);white-space:nowrap}@media (min-width: 720px){.chao{padding:var(--sp-6) var(--sp-6);background-size:170px auto,300px 300px,auto,auto}.chao-trong{padding-right:180px}}.ban-do{list-style:none;margin:0;padding:0;display:flex;flex-direction:column}.tram{--hanh-tinh: #7c5cff;position:relative;display:grid;grid-template-columns:76px minmax(0,1fr);align-items:center;gap:var(--sp-3);padding:12px 0}.tram:nth-child(6n+2){--hanh-tinh: #2dd4f0}.tram:nth-child(6n+3){--hanh-tinh: #ff8a3d}.tram:nth-child(6n+4){--hanh-tinh: #ff5c8a}.tram:nth-child(6n+5){--hanh-tinh: #ffc93c}.tram:nth-child(6n){--hanh-tinh: #4f8cff}.tram:before{content:"";position:absolute;left:36px;top:0;bottom:0;border-left:5px dotted rgb(255 255 255 / .38);z-index:0}.tram:first-child:before{top:50%}.tram:last-child:before{bottom:50%}.tram-so{position:relative;z-index:1;justify-self:center;display:grid;place-items:center;width:60px;height:60px;border-radius:50%;color:#fff;font-family:var(--font-heading);font-weight:800;font-size:1.35rem;line-height:1;text-shadow:0 2px 0 rgb(0 0 0 / .35);background:radial-gradient(circle at 32% 26%,color-mix(in srgb,var(--hanh-tinh) 45%,#fff) 0%,var(--hanh-tinh) 46%,color-mix(in srgb,var(--hanh-tinh) 52%,#05061c) 100%);box-shadow:inset -7px -9px 14px #00000047,inset 4px 5px 8px #ffffff40,0 0 0 5px #ffffff1a,0 10px 20px #03061c8c}.tram:nth-child(3n) .tram-so:after{content:"";position:absolute;left:-24%;right:-24%;top:36%;bottom:36%;border:4px solid rgb(255 255 255 / .7);border-top-color:transparent;border-radius:50%;transform:rotate(-16deg);pointer-events:none}.tram.is-xong{--hanh-tinh: #22c55e}.tram.is-xong .tram-so{box-shadow:inset -7px -9px 14px #00000047,inset 4px 5px 8px #ffffff40,0 0 0 5px #34d39959,0 10px 20px #03061c8c}.tram.is-toi .tram-so{width:70px;height:70px;font-size:1.55rem;box-shadow:inset -7px -9px 14px #00000047,inset 4px 5px 8px #ffffff40,0 0 0 6px #ffb70380,0 0 28px #ffb703bf,0 10px 20px #03061c8c}.tram.is-khoa .tram-so{filter:grayscale(1);opacity:.6}.tram-the{position:relative;z-index:1;display:flex;align-items:center;gap:var(--sp-3);min-height:84px;padding:var(--sp-3) var(--sp-4);border-radius:22px;background:linear-gradient(180deg,#fff,#f4f5ff);color:var(--text);text-decoration:none;box-shadow:0 6px 0 var(--de),0 10px 16px #03061c66;border-left:7px solid var(--tram-mau, var(--navy));transition:transform .14s ease,box-shadow .14s ease}@media (hover: hover){a.tram-the:hover{transform:translateY(-3px);box-shadow:0 9px 0 var(--de),0 20px 32px #03061c80}}a.tram-the:active{transform:translateY(4px);box-shadow:0 2px 0 var(--de),0 6px 12px #03061c66}.tram.is-toi .tram-the{outline:3px solid var(--ten-lua);box-shadow:0 6px 0 var(--ten-lua-dam),0 0 24px #ffb70373}.tram.is-khoa .tram-the{opacity:.6;cursor:not-allowed}.tram-than{flex:1;min-width:0;display:flex;flex-direction:column;gap:6px}.tram-ten{margin:0;font-family:var(--font-heading);font-weight:700;font-size:var(--fs-body);line-height:1.25;color:var(--navy)}.tram-hanh-tinh{font-family:var(--font-heading);font-weight:800;font-size:.8rem;letter-spacing:.08em;text-transform:uppercase;line-height:1.2;color:color-mix(in srgb,var(--hanh-tinh) 62%,#1d2148)}.tram-nhan{display:flex;flex-wrap:wrap;gap:6px}.tram-nhan .badge{font-size:.82rem;padding:2px 10px}.tram-mui{flex:none;font-size:1.5rem;line-height:1}@media (max-width: 560px){.tram{grid-template-columns:66px minmax(0,1fr);gap:var(--sp-2)}.tram:before{left:31px}.tram-so{width:54px;height:54px;font-size:1.2rem}.tram.is-toi .tram-so{width:62px;height:62px;font-size:1.4rem}.tram-the{padding:var(--sp-3);gap:var(--sp-2)}.tram-the .ico{width:46px;height:46px;border-radius:16px;font-size:24px}.tram-mui{display:none}}@media (min-width: 720px){.ban-do{max-width:760px;margin:0 auto}.tram{grid-template-columns:minmax(0,1fr) 96px minmax(0,1fr);padding:14px 0}.tram:before{left:50%;margin-left:-2px}.tram-so{grid-column:2;grid-row:1}.tram:nth-child(odd) .tram-the{grid-column:1;grid-row:1}.tram:nth-child(2n) .tram-the{grid-column:3;grid-row:1}.tram:nth-child(odd) .tram-the{border-left:0;border-right:7px solid var(--tram-mau, var(--navy))}}.moc{position:relative;z-index:1;align-self:flex-start;margin:var(--sp-3) 0 var(--sp-2) 4px;padding:5px 16px;border-radius:999px;background:linear-gradient(180deg,#9a82ff 0%,var(--tinh-van) 100%);color:#fff;font-family:var(--font-heading);font-weight:800;font-size:var(--fs-sm);letter-spacing:.04em;text-transform:uppercase;box-shadow:inset 0 2px #ffffff59,0 4px 0 var(--tinh-van-dam)}@media (min-width: 720px){.moc{align-self:center;margin-left:0}}.o-so{display:flex;flex-direction:column;align-items:center;gap:2px;padding:var(--sp-4) var(--sp-3);border-radius:22px;background:var(--surface);color:var(--text);text-align:center;box-shadow:0 6px 0 var(--o-mau, var(--navy))}.o-so-so{font-family:var(--font-heading);font-weight:800;font-size:var(--fs-xl);line-height:1.1;color:var(--navy)}.o-so-chu{color:var(--text-soft);font-size:var(--fs-sm);line-height:1.3}.tien-do{height:14px;border-radius:999px;background:#ffffff2e;overflow:hidden}.card .tien-do{background:#1d21481a}.tien-do>i{display:block;height:100%;border-radius:999px;background:linear-gradient(90deg,var(--mint) 0%,#7cf0d4 100%);box-shadow:inset 0 2px #ffffff73;transition:width .35s ease}.ket-qua{align-items:stretch}.ket-qua-cup{align-self:center;display:grid;place-items:center;width:124px;height:124px;border-radius:50%;font-size:64px;line-height:1;background:radial-gradient(circle at 32% 26%,#ffffff 0%,var(--navy-soft) 60%,#cfd0ff 100%);box-shadow:inset -8px -10px 16px #1d21481f,0 7px 0 var(--de-dam)}.ket-qua-cup.is-cao{background:radial-gradient(circle at 32% 26%,#fff3c4 0%,var(--accent) 55%,#f2a900 100%);box-shadow:inset -8px -10px 16px #78460033,0 7px 0 var(--accent-dark),0 0 30px #ffc93c99}.ket-qua-cup.is-vua{background:radial-gradient(circle at 32% 26%,#ffffff 0%,var(--ok-soft) 55%,#a7ecd9 100%);box-shadow:inset -8px -10px 16px #06382d1f,0 7px 0 var(--mint)}.ket-qua-o{display:grid;grid-template-columns:repeat(2,minmax(0,1fr));gap:var(--sp-3);margin-bottom:6px}.ket-qua .o-so{background:var(--surface-2)}.chao-cong{--chao-hinh: url(../icons/space/tram-vu-tru.svg);margin-top:18px;padding-bottom:calc(var(--sp-5) + 62px);background:var(--chao-hinh) right -22px top -8px / 150px auto no-repeat,url(../icons/space/ten-lua.svg) left 6px bottom 46px / 62px auto no-repeat,url(../icons/space/sao.svg) 0 0 / 300px 300px,radial-gradient(circle at 50% -20%,rgb(124 92 255 / .8),transparent 66%),linear-gradient(160deg,#2c1f96,#1b2a94 55%,#123c8f)}.chao-cong .chao-trong{align-items:center;text-align:center;gap:var(--sp-3);padding-right:0}.chao-cong .chao-the{justify-content:center;margin-top:0}.cong-logo{display:block;width:min(230px,66%);height:auto;filter:brightness(0) invert(1)}.chao-loi{font-family:var(--font-heading);font-weight:800;font-size:var(--fs-lg);line-height:1.25;color:#fff!important;text-shadow:0 2px 0 rgb(0 0 0 / .28)}.chao-loi em{font-style:normal;color:var(--ten-lua-sang)}.cong-the{position:relative;z-index:1;margin-top:-46px}.cong-the .row>.btn{border-radius:18px;padding:8px 10px;font-size:var(--fs-sm);line-height:1.25}@media (prefers-reduced-motion: reduce){*,*:before,*:after{animation:none!important;transition:none!important}}.ho-so-hang{display:block;margin-top:6px;font-family:var(--font-heading);font-size:var(--fs-xl);line-height:1.15;color:var(--navy)}.ho-so-sao{color:var(--accent-dark);white-space:nowrap}.ho-so-sao i{font-style:normal;color:var(--border)}.lo-trinh{list-style:none;margin:0;padding:0;display:grid;grid-template-columns:repeat(4,minmax(0,1fr));gap:var(--sp-2)}.lo-trinh li{display:flex;flex-direction:column;align-items:center;gap:2px;padding:8px 4px;border-radius:16px;background:var(--surface-2);text-align:center;filter:grayscale(1);opacity:.55}.lo-trinh li span{font-size:26px;line-height:1.1}.lo-trinh li small{font-size:.72rem;font-weight:700;line-height:1.2;color:var(--text-soft)}.lo-trinh li.is-qua{filter:none;opacity:1;background:var(--ok-soft)}.lo-trinh li.is-nay{filter:none;opacity:1;background:linear-gradient(180deg,#fff3c4 0%,var(--accent) 100%);box-shadow:inset 0 2px #fff9,0 4px 0 var(--accent-dark)}.lo-trinh li.is-nay small{color:var(--ten-lua-chu)}@media (min-width: 640px){.lo-trinh{grid-template-columns:repeat(8,minmax(0,1fr))}}.card.the-dua-tau{--text: #ffffff;--text-soft: #d6dcff;border-left:8px solid var(--sao-bang);background:radial-gradient(circle at 9% 18%,#fff 0 1px,transparent 1.8px),radial-gradient(circle at 31% 84%,#fff 0 1px,transparent 1.8px),radial-gradient(circle at 47% 12%,#fff 0 1.2px,transparent 2px),radial-gradient(circle at 63% 90%,#fff 0 1px,transparent 1.8px),radial-gradient(circle at 78% 22%,#ffd76a 0 1.4px,transparent 2.2px),radial-gradient(circle at 94% 70%,#fff 0 1px,transparent 1.8px),radial-gradient(120% 150% at 88% 0%,rgb(45 212 240 / .38) 0%,transparent 60%),linear-gradient(100deg,#2a1466,#262a8c 52%,#0f5d93);box-shadow:inset 0 0 0 2px #2dd4f080,0 7px #1a1150,var(--sau);color:#fff}.card.the-dua-tau strong{color:#fff;text-shadow:0 2px 0 rgb(10 8 40 / .6)}.the-dua-tau-mo{color:var(--text-soft);text-shadow:0 1px 2px rgb(10 8 40 / .85)}.the-dua-tau-chu{flex:1 1 210px;max-width:340px}.the-dua-tau-hinh{flex:2 1 150px;align-self:stretch;min-height:84px;background:url(../icons/space/the-dua-tau.svg) center / contain no-repeat}.card.the-dua-tau .badge{background:var(--accent);color:var(--muc);box-shadow:0 3px 0 var(--accent-dark)}.the-dua-tau-ico{display:flex;align-items:center;justify-content:center;flex:none;width:56px;height:56px;border-radius:50%;background:#ffffff29;box-shadow:inset 0 0 0 2px #fff6;font-size:30px}.the-dua-tau-dk{display:flex;flex-wrap:wrap;gap:6px;margin-top:8px}.the-dua-tau-dk>span{white-space:nowrap;padding:2px 10px;border-radius:999px;background:#0b10308c;box-shadow:inset 0 0 0 1px #ffffff4d;color:#fff;font-size:var(--fs-sm);font-weight:700}.card.the-dua-tau.is-khoa{filter:saturate(.7)}.card.the-dua-tau.is-khoa .the-dua-tau-hinh{opacity:.75}@media (hover: hover){button.card.the-dua-tau:hover{box-shadow:inset 0 0 0 2px #2dd4f0cc,0 10px #1a1150,0 0 28px #2dd4f073,var(--sau)}}@media (max-width: 420px){.the-dua-tau-dk>span{white-space:normal}}.card.the-dua-tau.the-kho-bau{border-left-color:var(--accent);background:radial-gradient(circle at 9% 18%,#fff 0 1px,transparent 1.8px),radial-gradient(circle at 31% 84%,#fff 0 1px,transparent 1.8px),radial-gradient(circle at 47% 12%,#fff 0 1.2px,transparent 2px),radial-gradient(circle at 63% 90%,#fff 0 1px,transparent 1.8px),radial-gradient(circle at 78% 22%,#ffd76a 0 1.4px,transparent 2.2px),radial-gradient(circle at 94% 70%,#fff 0 1px,transparent 1.8px),radial-gradient(120% 150% at 70% 30%,rgb(255 201 60 / .28) 0%,transparent 60%),linear-gradient(100deg,#1f1466,#172a6e 52%,#0d4a5e);box-shadow:inset 0 0 0 2px #ffc93c80,0 7px #14104a,var(--sau)}.the-kho-bau .the-dua-tau-hinh{background-image:url(../icons/space/the-kho-bau.svg)}@media (hover: hover){button.card.the-dua-tau.the-kho-bau:hover{box-shadow:inset 0 0 0 2px #ffc93cd9,0 10px #14104a,0 0 28px #ffc93c66,var(--sau)}}.card.the-dua-tau.the-bat-ma{border-left-color:#ff8a1f;background:radial-gradient(circle at 9% 18%,#fff 0 1px,transparent 1.8px),radial-gradient(circle at 31% 84%,#fff 0 1px,transparent 1.8px),radial-gradient(circle at 47% 12%,#fff 0 1.2px,transparent 2px),radial-gradient(circle at 63% 90%,#fff 0 1px,transparent 1.8px),radial-gradient(circle at 94% 70%,#fff 0 1px,transparent 1.8px),radial-gradient(120% 150% at 85% 10%,rgb(255 138 31 / .32) 0%,transparent 60%),linear-gradient(100deg,#1a0d3d,#2d1460 52%,#4a1c4f);box-shadow:inset 0 0 0 2px #ff8a1f8c,0 7px #160a2c,var(--sau)}.the-bat-ma .the-dua-tau-hinh{background-image:url(../icons/space/the-bat-ma.svg)}.card.the-dua-tau.the-bat-ma .badge{background:#ff8a1f;color:#2a1000;box-shadow:0 3px #b85400}@media (hover: hover){button.card.the-dua-tau.the-bat-ma:hover{box-shadow:inset 0 0 0 2px #ff8a1fd9,0 10px #160a2c,0 0 28px #ff8a1f73,var(--sau)}}*,*:before,*:after{box-sizing:border-box}html,body,#root{height:100%}body{margin:0;font-family:var(--font);font-size:var(--fs-body);line-height:var(--lh);color:var(--tren-nen);background-color:var(--bg);background-image:url(../icons/space/sao.svg),url(../icons/space/sao.svg),radial-gradient(ellipse 80% 300px at 10% 160px,rgb(124 92 255 / .5),transparent 100%),radial-gradient(ellipse 70% 280px at 95% 620px,rgb(45 212 240 / .22),transparent 100%),radial-gradient(ellipse 85% 300px at 40% 1150px,rgb(255 77 109 / .24),transparent 100%),linear-gradient(180deg,#0b1030,#151a52);background-size:420px 420px,760px 760px,100% 1500px,100% 1500px,100% 1500px,100% 100%;background-position:0 0,130px 90px,0 0,0 0,0 0,0 0;background-repeat:repeat,repeat,repeat-y,repeat-y,repeat-y,no-repeat;-webkit-text-size-adjust:100%;-webkit-tap-highlight-color:transparent}h1,h2,h3{margin:0 0 var(--sp-3);line-height:1.25;font-family:var(--font-heading);color:var(--tren-nen)}h1{font-size:var(--fs-2xl)}h2{font-size:var(--fs-xl)}h3{font-size:var(--fs-lg)}p{margin:0 0 var(--sp-3)}button{font:inherit;cursor:pointer;border:none;background:none;color:inherit}input,select,textarea{font:inherit;color:inherit}:focus-visible{outline:3px solid var(--sao-bang);outline-offset:2px}.page{max-width:900px;margin:0 auto;padding:var(--sp-5) var(--sp-4) var(--sp-7)}.card{background:linear-gradient(180deg,#fff,#f6f7ff);color:var(--text);border:0;border-radius:var(--radius);padding:var(--sp-5);box-shadow:var(--shadow)}.card h1,.card h2,.card h3{color:var(--navy)}a.card,button.card,.card-bam{transition:transform .14s ease,box-shadow .14s ease}@media (hover: hover){a.card:hover,button.card:hover,.card-bam:hover{transform:translateY(-3px);box-shadow:var(--shadow-lg)}}a.card:active,button.card:active,.card-bam:active{transform:translateY(5px);box-shadow:0 2px 0 var(--de),0 8px 18px #03061c66}.stack{display:flex;flex-direction:column;gap:var(--sp-4)}.row{display:flex;align-items:center;gap:var(--sp-3);flex-wrap:wrap}.spacer{flex:1}.btn{--nut-de: var(--de-dam);--nut-cao: 6px;--nut-bong: inset 0 2px 0 rgb(255 255 255 / .55), inset 0 -3px 0 rgb(0 0 0 / .06);display:inline-flex;align-items:center;justify-content:center;gap:var(--sp-2);min-height:var(--tap);padding:var(--sp-3) var(--sp-5);border-radius:999px;background:var(--surface-2);color:var(--text);font-family:var(--font-heading);font-weight:800;text-decoration:none;box-shadow:var(--nut-bong),0 var(--nut-cao) 0 var(--nut-de),0 calc(var(--nut-cao) + 6px) 14px #03061c47;transition:transform .12s ease,box-shadow .12s ease,background .15s ease,filter .15s ease}.btn:active:not(:disabled){transform:translateY(calc(var(--nut-cao) - 2px));box-shadow:var(--nut-bong),0 2px 0 var(--nut-de),0 4px 8px #03061c40}.btn:disabled{opacity:.55;cursor:not-allowed;filter:saturate(.5);box-shadow:var(--nut-bong),0 2px 0 var(--nut-de);transform:translateY(calc(var(--nut-cao) - 2px))}.btn-primary{--nut-de: var(--ten-lua-dam);background:linear-gradient(180deg,var(--ten-lua-sang) 0%,var(--ten-lua) 55%,#fb8500 100%);color:var(--ten-lua-chu)}.btn-navy{--nut-de: var(--tinh-van-dam);--nut-bong: inset 0 2px 0 rgb(255 255 255 / .35), inset 0 -3px 0 rgb(0 0 0 / .12);background:linear-gradient(180deg,#9a82ff 0%,var(--tinh-van) 60%,#6747f0 100%);color:var(--on-brand)}.btn-yellow{--nut-de: var(--accent-dark);background:var(--accent);color:var(--text)}.btn-mint{--nut-de: var(--mint-dark);background:var(--mint);color:#06382d}.btn-cam{--nut-de: var(--orange-dark);background:var(--orange);color:var(--text)}.btn-white{--nut-de: rgb(0 0 0 / .18);background:#fff;color:var(--brand)}.btn-ghost{--nut-de: var(--de);--nut-cao: 4px;background:linear-gradient(180deg,#fff,#eceeff);border:2px solid var(--border)}@media (hover: hover){.btn-primary:hover:not(:disabled),.btn-navy:hover:not(:disabled){filter:brightness(1.06)}.btn-ghost:hover:not(:disabled){border-color:var(--tinh-van);color:var(--navy)}}.btn-lg{--nut-cao: 6px;min-height:60px;font-size:var(--fs-lg);padding:var(--sp-4) var(--sp-6)}.tag{display:inline-block;align-self:flex-start;padding:4px 16px;border-radius:999px;background:var(--navy-soft);color:var(--navy-text);font-family:var(--font-heading);font-weight:800;font-size:.8rem;letter-spacing:.06em;text-transform:uppercase;line-height:1.5}.tag-navy{background:var(--navy-soft);color:var(--navy-text)}.tag-mint{background:var(--ok-soft);color:var(--ok-text)}.tag-vang{background:var(--accent-soft);color:var(--accent-text)}.u{position:relative;z-index:0;white-space:nowrap}.u:after{content:"";position:absolute;left:-2px;right:-2px;bottom:.08em;height:.34em;background:var(--accent);opacity:.55;border-radius:8px;z-index:-1}.appbar-title,.appbar-slogan{font-family:var(--font-heading);color:var(--navy);font-size:var(--fs-lg);flex:1;min-width:0;overflow:hidden;text-overflow:ellipsis;white-space:nowrap}.appbar-brand-spacer{flex:0 0 0}@media (max-width: 640px){.appbar-brand{flex-wrap:wrap!important}.appbar-brand-spacer{flex:1}.appbar-slogan{order:9;flex-basis:100%;font-size:var(--fs-sm);white-space:normal;line-height:1.3}}.badge{display:inline-flex;align-items:center;align-self:flex-start;gap:var(--sp-1);padding:3px var(--sp-3);border-radius:999px;font-size:var(--fs-sm);font-weight:700;background:var(--surface-2);color:var(--text-soft);white-space:nowrap}.tier-1{background:color-mix(in srgb,var(--tier-1) 15%,transparent);color:var(--tier-1)}.tier-2{background:color-mix(in srgb,var(--tier-2) 15%,transparent);color:var(--tier-2)}.tier-3{background:color-mix(in srgb,var(--tier-3) 18%,transparent);color:var(--tier-3)}.tier-4{background:color-mix(in srgb,var(--tier-4) 15%,transparent);color:var(--tier-4)}.feedback{border-radius:18px;padding:var(--sp-4);font-weight:600}.feedback-ok{background:var(--ok-soft);color:var(--ok-text)}.feedback-err{background:var(--err-soft);color:var(--err-text)}.feedback-hint{background:var(--navy-soft);color:var(--navy-text)}.frac{display:inline-grid;grid-template-rows:auto auto;vertical-align:middle;margin:0 .18em;font-size:.92em;line-height:1.1;text-align:center;white-space:nowrap}.frac-num{border-bottom:2px solid currentColor;padding:0 .22em}.frac-den{padding:0 .22em}.frac-wrap{display:inline-block;white-space:nowrap}.bang-giong-phu{position:fixed;top:0;right:0;bottom:0;left:0;z-index:50;display:flex;align-items:flex-end;justify-content:center;padding:var(--sp-3);background:#00000073}.bang-giong{width:100%;max-width:560px;max-height:85vh;overflow:auto;overscroll-behavior:contain}.giong-dong{display:flex;align-items:center;gap:var(--sp-2)}.giong-dong .grade-pill{flex:1;min-width:0;text-align:left}.giong-nhan{display:block;overflow:hidden;text-overflow:ellipsis;white-space:nowrap}.nut-nghe{min-width:150px;min-height:48px;font-size:var(--fs-body)}.sup{font-size:.68em;vertical-align:super;line-height:0;margin-left:.04em;white-space:nowrap}.can{position:relative;display:inline-block;line-height:1;padding:.06em .08em 0 .62em;margin-left:.04em;white-space:nowrap;text-indent:0}.can.can-bac{padding-left:.76em}.can-bac:before{content:attr(data-bac);content:attr(data-bac) / "";position:absolute;left:.02em;top:.1em;font-size:.56em;line-height:1}.can-cum{white-space:nowrap}.can-ve{position:absolute;left:0;top:0;width:100%;height:100%;overflow:visible;pointer-events:none;fill:none;stroke:currentColor;stroke-width:max(1.2px,.075em);stroke-linecap:round;stroke-linejoin:round}.kh{position:relative;display:inline-block;width:.95em;height:.95em;vertical-align:-.14em}.kh-ve{display:block;width:100%;height:100%;overflow:visible}.can-chu-an{position:absolute;width:1px;height:1px;margin:-1px;padding:0;border:0;overflow:hidden;clip:rect(0 0 0 0);clip-path:inset(50%);white-space:nowrap}.md-bang{display:grid;width:100%;overflow-x:auto;margin:var(--sp-2) 0;gap:1px;background:var(--border);border:1px solid var(--border);border-radius:var(--radius-sm);font-size:.86em;line-height:1.4}.md-o{padding:.3em .6em;background:var(--surface);text-align:center}.md-dau{font-weight:700;background:var(--navy-soft);color:var(--navy-text)}.md-trich{display:block;margin:var(--sp-2) 0;padding:var(--sp-2) var(--sp-3);border-left:4px solid var(--brand);background:var(--surface-2);border-radius:var(--radius-sm)}.md-cham{display:inline-block;padding-left:1em;text-indent:-.9em}.he-pt{display:inline-flex;align-items:center;vertical-align:middle;margin:.15em 0}.he-pt-ngoac{font-size:2.3em;line-height:1;font-weight:300;margin-right:.12em}.he-pt-dong{display:inline-flex;flex-direction:column;line-height:1.4;white-space:nowrap}.sup-o{font-size:inherit;vertical-align:.45em}.sup-o .blank-input{min-width:3.5ch;min-height:38px;padding:2px var(--sp-2)}.expr{font-family:inherit;font-weight:700;color:var(--navy-text);background:var(--navy-soft);border-radius:var(--radius-sm);padding:.06em .4em;white-space:nowrap}.blank-input{min-width:4.5ch;min-height:var(--tap);padding:var(--sp-2) var(--sp-3);margin:0 var(--sp-1);border:2px solid var(--border);border-radius:var(--radius-sm);background:var(--surface);text-align:center;font-weight:700;font-size:var(--fs-body)}.blank-input:focus{border-color:var(--navy)}.blank-ok{border-color:var(--ok);background:var(--ok-soft)}.blank-err{border-color:var(--err);background:var(--err-soft)}.figure{display:block;max-width:100%;height:auto;margin:var(--sp-4) auto}.scroll-x{overflow-x:auto;-webkit-overflow-scrolling:touch}.picker{max-width:900px;margin:0 auto;padding:var(--sp-4) var(--sp-3) 0}.picker-heading{font-size:var(--fs-lg);margin-bottom:var(--sp-3)}.picker-grid{display:grid;grid-template-columns:104px 1fr;gap:var(--sp-3);align-items:start}.picker-col{display:flex;flex-direction:column;gap:var(--sp-2);max-height:calc(100dvh - 250px);overflow-y:auto;padding-bottom:var(--sp-2)}.picker-col.is-waiting{opacity:.55}.picker-group{display:flex;flex-direction:column;gap:var(--sp-2);margin-bottom:var(--sp-3)}.picker-group-title{font-size:.78rem;font-weight:700;letter-spacing:.04em;text-transform:uppercase;color:var(--tren-nen-mo);margin:0;line-height:1.3}.picker-hint{color:var(--tren-nen-mo);font-size:var(--fs-sm);padding:var(--sp-3)}.grade-pill{--gp-de: var(--de-dam);min-height:48px;padding:var(--sp-2) var(--sp-3);border:2px solid var(--border);border-radius:999px;background:linear-gradient(180deg,#fff,#eceeff);color:var(--text);font-family:var(--font-heading);font-weight:800;font-size:var(--fs-sm);text-align:center;box-shadow:inset 0 2px #ffffffe6,0 4px 0 var(--gp-de);margin-bottom:3px;transition:transform .12s ease,box-shadow .12s ease,border-color .15s ease,background .15s ease}.grade-pill:active{transform:translateY(2px);box-shadow:inset 0 2px #ffffffe6,0 2px 0 var(--gp-de)}.grade-pill.is-on{--gp-de: var(--tinh-van-dam);border-color:#b9a8ff;background:linear-gradient(180deg,#9a82ff 0%,var(--tinh-van) 60%,#6747f0 100%);color:var(--on-brand);box-shadow:inset 0 2px #ffffff59,0 4px 0 var(--gp-de),0 0 18px #7c5cffb3}.subject-card{display:grid;grid-template-columns:auto 1fr;align-items:center;gap:var(--sp-1) var(--sp-3);min-height:64px;padding:var(--sp-3);border:2px solid transparent;border-left:7px solid var(--subject-color, var(--brand));border-radius:20px;background:linear-gradient(180deg,#fff,#f4f5ff);color:var(--text);text-align:left;width:100%;box-shadow:0 5px 0 var(--de),0 12px 22px #03061c66;margin-bottom:4px;transition:transform .12s ease,box-shadow .12s ease,background .15s ease}.subject-card:active{transform:translateY(3px);box-shadow:0 2px 0 var(--de)}.subject-card .badge{grid-column:2}.subject-card.is-on{border-color:var(--navy);border-left-color:var(--subject-color, var(--navy));background:var(--navy-soft);box-shadow:0 5px 0 var(--navy-dark)}.subject-icon{font-size:26px;line-height:1;flex:none}.subject-name{flex:1 1 auto;font-weight:700;min-width:0}.badge-ready{background:var(--ok-soft);color:var(--ok-text)}.subject-group{display:flex;flex-direction:column;gap:var(--sp-2);padding:var(--sp-3);border:2px solid transparent;border-left:7px solid var(--subject-color, var(--brand));border-radius:22px;background:linear-gradient(180deg,#fff,#f4f5ff);color:var(--text);width:100%;box-shadow:0 6px 0 var(--de),0 14px 26px #03061c73;margin-bottom:5px}.subject-group.is-on{border-color:var(--navy);border-left-color:var(--subject-color, var(--navy))}.subject-group-head{display:flex;align-items:center;gap:var(--sp-2);flex-wrap:wrap}.subject-group-hint{font-size:var(--fs-sm);color:var(--text-faint);margin-left:auto}.program-list{display:flex;flex-direction:column;gap:var(--sp-2)}.program-pill{display:grid;grid-template-columns:auto 1fr;align-items:center;gap:var(--sp-1) var(--sp-2);--pp-de: var(--border);min-height:52px;padding:var(--sp-2) var(--sp-3);border:2px solid var(--border);border-radius:16px;background:var(--surface-2);text-align:left;width:100%;box-shadow:0 4px 0 var(--pp-de);margin-bottom:3px;transition:transform .12s ease,box-shadow .12s ease,background .15s ease,border-color .15s ease}.program-pill:active{transform:translateY(2px);box-shadow:0 2px 0 var(--pp-de)}.program-pill .badge{grid-column:2}.program-pill.is-on{--pp-de: var(--tinh-van-dam);border-color:#b9a8ff;background:linear-gradient(180deg,#9a82ff 0%,var(--tinh-van) 60%,#6747f0 100%);color:var(--on-brand)}.program-name{font-weight:700}@media (min-width: 640px){.program-pill{grid-template-columns:auto 1fr auto}.program-pill .badge{grid-column:3}}.picker-cta{position:sticky;bottom:0;display:flex;align-items:center;gap:var(--sp-3);flex-wrap:wrap;max-width:900px;margin:0 auto;padding:var(--sp-3) var(--sp-4) calc(var(--sp-3) + env(safe-area-inset-bottom));background:#0d1238f7;color:var(--tren-nen);border-radius:26px 26px 0 0;border-top:2px solid rgb(255 255 255 / .16);z-index:5}.picker-summary{flex:1;min-width:140px;display:flex;flex-direction:column;line-height:1.3}.picker-summary-sub{font-size:var(--fs-sm);color:var(--tren-nen-mo)}.picker-coming{flex:1;min-width:200px;font-size:var(--fs-sm)}@media (min-width: 640px){.picker-grid{grid-template-columns:220px 1fr;gap:var(--sp-4)}.picker{padding:var(--sp-5) var(--sp-4) 0}.subject-card{grid-template-columns:auto 1fr auto}.subject-card .badge{grid-column:3}}body.nen-qt{--bg: #f1f5f9;--surface-2: #f8fafc;--border: #e2e8f0;--text: #1e293b;--text-soft: #475569;--text-faint: #64748b;--fs-body: 15px;--fs-sm: 13px;--fs-lg: 18px;--fs-xl: 22px;--fs-2xl: 26px;--lh: 1.5;--radius: 10px;--radius-sm: 7px;--tap: 36px;--shadow: 0 1px 2px rgb(15 23 42 / .05);--tren-nen: #1e293b;--tren-nen-mo: #64748b;--muc: #1e293b;--muc-mo: #475569;--muc-nhat: #64748b;--navy: #00468a;--navy-dark: #00335f;--navy-soft: #eaf0ff;--navy-text: #00468a;--brand: #ec1c24;--brand-dark: #c8151c;--brand-soft: #ffe9ea;--brand-text: #c8151c;--de: #e2e8f0;--de-dam: #cbd5e1;color:var(--text);background:var(--bg)}body.nen-qt .card{background:var(--surface)}body.nen-qt .btn-primary{background:var(--brand);color:#fff}body.nen-qt .btn-navy{background:var(--navy);color:#fff}body.nen-qt .btn-ghost{background:var(--surface)}body.nen-qt .btn{padding:6px 14px;border-radius:7px;font-family:var(--font);font-weight:600;box-shadow:none}body.nen-qt .btn:active:not(:disabled),body.nen-qt .btn:disabled{transform:none;box-shadow:none}body.nen-qt .btn-ghost{border-width:1px;border-color:#cbd5e1}body.nen-qt .card{padding:var(--sp-4);border:1px solid var(--border)}body.nen-qt .appbar{box-shadow:0 1px 0 var(--border)}body.nen-qt .blank-input{border-width:1px;border-color:#cbd5e1;font-weight:500}.qt-the{background:var(--surface);border:1px solid var(--border);border-radius:10px;box-shadow:var(--shadow)}.qt-dau-trang{display:flex;align-items:flex-end;justify-content:space-between;gap:var(--sp-3);flex-wrap:wrap}.qt-tieu-de{margin:0;font-family:var(--font);font-size:22px;font-weight:800;line-height:1.2;color:var(--navy)}.qt-phu-de{font-size:13px;color:#64748b}.qt-loc{display:flex;flex-wrap:wrap;gap:10px;padding:10px}.qt-input{width:100%;min-height:34px;padding:6px 10px;border:1px solid #cbd5e1;border-radius:7px;background:var(--surface);font-size:14px}.qt-input:focus{outline:none;border-color:var(--navy);box-shadow:0 0 0 2px #00468a33}.qt-tong-hop{display:flex;flex-wrap:wrap;align-items:center;gap:6px}.qt-tong-hop-gach{width:1px;height:20px;margin:0 4px;background:#cbd5e1}.qt-dem{display:inline-flex;align-items:center;gap:6px;padding:3px 10px;border:1px solid color-mix(in srgb,var(--mau) 35%,transparent);border-radius:999px;background:var(--surface);color:var(--mau);font-size:13px;font-weight:600}.qt-dem strong{font-variant-numeric:tabular-nums}.qt-dem:hover{background:color-mix(in srgb,var(--mau) 8%,var(--surface))}.qt-dem.is-on{background:var(--mau);border-color:var(--mau);color:#fff}.qt-bang-khung{padding:0;overflow:hidden}.qt-bang-cuon{overflow:auto;max-height:72vh}.qt-bang{width:100%;min-width:1080px;border-collapse:collapse;font-size:14px}.qt-bang thead th{position:sticky;top:0;z-index:2;background:#f8fafc}.qt-th{padding:9px 10px;border-bottom:1px solid var(--border);text-align:left;font-size:11.5px;font-weight:700;line-height:1.25;letter-spacing:.03em;text-transform:uppercase;white-space:nowrap;color:#64748b}.qt-th-sap{padding:0;font:inherit;letter-spacing:inherit;text-transform:inherit;color:inherit}.qt-th-sap:hover{color:var(--navy)}.qt-th-sap span{color:#94a3b8}.qt-td{padding:9px 10px;border-top:1px solid #f1f5f9;vertical-align:middle}.qt-dong{cursor:pointer}.qt-dong:hover{background:#eaf1f8b3}.qt-mono{font-family:ui-monospace,SFMono-Regular,Consolas,monospace;font-size:12.5px}.qt-ten{padding:0;font:inherit;font-weight:700;text-align:left;color:var(--navy)}.qt-ten:hover{text-decoration:underline}.qt-phu{margin-top:1px;font-size:12px;line-height:1.3;color:#64748b}.qt-nhat{color:#94a3b8}.qt-so{font-variant-numeric:tabular-nums;white-space:nowrap}.qt-nhan{display:inline-flex;align-items:center;padding:2px 9px;border-radius:999px;background:color-mix(in srgb,var(--mau) 11%,transparent);color:var(--mau);font-size:12px;font-weight:600;white-space:nowrap}.qt-trong{padding:35px 0;text-align:center;font-size:13px;color:#94a3b8}.qt-phan-trang{display:flex;flex-wrap:wrap;align-items:center;justify-content:space-between;gap:var(--sp-2);padding:10px 12px;border-top:1px solid var(--border);font-size:13px;color:#475569}.qt-trang-nut{padding:3px 8px;border:1px solid #cbd5e1;border-radius:6px;background:var(--surface)}.qt-trang-nut:disabled{opacity:.4;cursor:not-allowed}.qt-gv-cho{display:flex;flex-direction:column;gap:var(--sp-2);padding:12px 14px;border-left:4px solid var(--navy)}.qt-gv-cho-dong{display:flex;flex-wrap:wrap;align-items:center;justify-content:space-between;gap:var(--sp-2)}.qt-lien-ket{font-weight:600;color:var(--navy)}.qt-lien-ket:hover{text-decoration:underline}.qt-phu-nen{position:fixed;top:0;right:0;bottom:0;left:0;z-index:60;display:flex;align-items:flex-start;justify-content:center;padding:5vh 16px;overflow:auto;background:#0f172a73}.qt-hop{display:flex;flex-direction:column;gap:14px;width:100%;max-width:760px;padding:20px;border-radius:12px;background:var(--surface);box-shadow:0 20px 50px #0f172a40}.qt-hop-dau{display:flex;align-items:flex-start;justify-content:space-between;gap:var(--sp-3)}.qt-thong-tin{display:grid;grid-template-columns:repeat(auto-fill,minmax(190px,1fr));gap:10px 16px;margin:0}.qt-thong-tin dt{font-size:11.5px;font-weight:700;letter-spacing:.03em;text-transform:uppercase;color:#64748b}.qt-thong-tin dd{margin:2px 0 0;font-size:14px}.qt-muc{margin:4px 0 0;font-family:var(--font);font-size:15px;font-weight:700;color:var(--navy)}.qt-bang-nho{max-height:none;border:1px solid var(--border);border-radius:7px}.qt-bang-nho .qt-bang{min-width:520px}.qt-dong-tinh:first-child .qt-td{border-top:none}.qt-quyen{display:flex;flex-wrap:wrap;justify-content:space-between;gap:var(--sp-2);padding:6px 0;border-top:1px solid #f1f5f9;font-size:14px}.qt-cap-quyen{display:flex;flex-wrap:wrap;align-items:center;gap:var(--sp-2)}.qt-cap-quyen .qt-input{width:auto}@media (max-width: 560px){.page{padding:var(--sp-4) var(--sp-3) var(--sp-6)}.card{padding:var(--sp-4)}.appbar{padding:var(--sp-2) var(--sp-3);gap:var(--sp-1)}.appbar strong{font-size:var(--fs-body)}.appbar .btn{min-height:44px;padding:var(--sp-2) var(--sp-3);font-size:var(--fs-sm)}.appbar .badge{padding:2px var(--sp-2)}.appbar-logo-mark{display:none!important}.appbar:not(.appbar-brand){flex-wrap:wrap!important}.appbar-title{order:9;flex-basis:100%;font-size:var(--fs-sm);white-space:normal;line-height:1.25;display:-webkit-box;-webkit-line-clamp:1;-webkit-box-orient:vertical}.appbar .appbar-lang{min-width:0!important;padding:var(--sp-2)}.appbar>.badge,.appbar>.btn{flex:none}}@media print{.no-print{display:none!important}body{background:#fff;font-size:13pt}.card{box-shadow:none;border:1px solid #ccc;break-inside:avoid}}