:root{--bg:#0f1520;--text:#fff;--muted:rgba(255,255,255,.64);--dim:rgba(255,255,255,.4);--line:rgba(255,255,255,.14);--a:#39d0ff}
*{box-sizing:border-box;margin:0;padding:0}
html{scroll-behavior:smooth;scroll-snap-type:y proximity;-webkit-text-size-adjust:100%}
body{background:var(--bg);color:var(--text);font-family:'Inter',system-ui,-apple-system,'Segoe UI',sans-serif;font-weight:400;line-height:1.65;-webkit-font-smoothing:antialiased;overflow-x:hidden}
body.lock{overflow:hidden}
a{color:inherit;text-decoration:none}
#fx{position:fixed;inset:0;width:100%;height:100%;z-index:0;pointer-events:none;opacity:.9}
.w{width:min(1200px,100% - 64px);margin-inline:auto;position:relative;z-index:2}
.lab{font-size:12px;font-weight:600;letter-spacing:.32em;text-transform:uppercase;margin-bottom:28px;display:flex;align-items:center;gap:14px}
.lab::before{content:"";width:28px;height:1px;background:var(--a)}
h1,h2,h3{font-weight:600;line-height:1.1}
.rv{opacity:0;transform:translateY(26px);filter:blur(6px);transition:opacity 1.1s cubic-bezier(.2,.7,.2,1),transform 1.1s cubic-bezier(.2,.7,.2,1),filter 1.1s}
.rv.on{opacity:1;transform:none;filter:none}
.rv:nth-child(2){transition-delay:.12s}.rv:nth-child(3){transition-delay:.24s}
/* bar + menu */
.bar{position:fixed;inset:0 0 auto 0;height:72px;z-index:60;display:flex;align-items:center;justify-content:space-between;padding:0 clamp(20px,3.4vw,44px);transition:background .35s}
.bar.solid{background:rgba(15,21,32,.72);backdrop-filter:blur(14px);-webkit-backdrop-filter:blur(14px)}
.brand{font-weight:600;font-size:13px;letter-spacing:.3em;text-transform:uppercase}
.mbtn{background:rgba(255,255,255,.1);border:0;color:#fff;font:inherit;font-size:12px;font-weight:600;letter-spacing:.2em;text-transform:uppercase;padding:10px 20px;border-radius:6px;cursor:pointer;transition:background .2s}
.mbtn:hover{background:rgba(255,255,255,.2)}
#menu{position:fixed;inset:0 0 0 auto;width:min(420px,100%);background:rgba(17,24,36,.97);backdrop-filter:blur(24px);-webkit-backdrop-filter:blur(24px);z-index:55;padding:110px 44px 44px;display:flex;flex-direction:column;gap:4px;transform:translateX(100%);transition:transform .5s cubic-bezier(.2,.7,.2,1);border-left:1px solid var(--line)}
#menu.open{transform:none}
#menu a{font-size:19px;font-weight:600;padding:14px 0;border-bottom:1px solid var(--line);transition:color .2s,padding .25s}
#menu a:hover{color:var(--a);padding-left:8px}
/* dots */
#dots{position:fixed;right:clamp(14px,2.4vw,32px);top:50%;transform:translateY(-50%);z-index:40;display:flex;flex-direction:column;gap:14px}
#dots a{width:7px;height:7px;border-radius:50%;background:rgba(255,255,255,.35);transition:background .3s,transform .3s}
#dots a.on{background:#fff;transform:scale(1.5);box-shadow:0 0 12px var(--a)}
/* buttons */
.btn{display:inline-flex;align-items:center;justify-content:center;height:46px;min-width:200px;padding:0 30px;border:1px solid rgba(255,255,255,.6);border-radius:6px;font-size:12.5px;font-weight:600;letter-spacing:.18em;text-transform:uppercase;transition:background .25s,color .25s,border-color .25s,transform .25s}
.btn:hover{background:#fff;color:#000;border-color:#fff}
.btn.solid{background:#fff;color:#000;border-color:#fff}.btn.solid:hover{background:rgba(255,255,255,.82)}
.btn.glass{background:rgba(30,34,40,.5);border-color:transparent;backdrop-filter:blur(10px);-webkit-backdrop-filter:blur(10px);color:#fff}.btn.glass:hover{background:rgba(255,255,255,.9);color:#000}
/* slides */
.slide{position:relative;min-height:100svh;display:flex;align-items:center;padding:120px 0;scroll-snap-align:start;z-index:1}
.slide+.slide{border-top:1px solid var(--line)}
/* hero */
.hero{display:block;padding:0;overflow:hidden;border-top:0}
.hero .bg{position:absolute;inset:-6% 0 -6% 0;width:100%;height:112%;object-fit:cover;object-position:72% 50%;transform:scale(1.06);animation:kb 22s ease-in-out infinite alternate;will-change:transform}
@keyframes kb{from{scale:1}to{scale:1.07}}
.shade{position:absolute;inset:0;background:linear-gradient(180deg,rgba(15,21,32,.9) 0%,rgba(15,21,32,.72) 28%,rgba(15,21,32,.25) 48%,rgba(15,21,32,0) 62%),linear-gradient(0deg,rgba(15,21,32,.78),transparent 30%)}
.hero-in{position:absolute;top:clamp(96px,15vh,150px);left:0;right:0;text-align:center;padding:0 20px;z-index:2}
.hero .lab{justify-content:center;margin-bottom:18px}.hero .lab::before{display:none}
.hero h1{font-size:clamp(28px,4.6vw,60px);font-weight:600;letter-spacing:.14em;text-transform:uppercase;line-height:1.15;margin-bottom:14px}
.sub{color:rgba(255,255,255,.78);font-size:clamp(14px,1.4vw,17px);max-width:520px;margin:0 auto}
.hero-cta{position:absolute;bottom:clamp(70px,11vh,110px);left:0;right:0;display:flex;gap:14px;justify-content:center;flex-wrap:wrap;padding:0 20px;z-index:2}
.scroll{position:absolute;bottom:22px;left:50%;width:1px;height:42px;background:linear-gradient(var(--a),transparent);animation:sc 2.2s ease-in-out infinite;z-index:2}
@keyframes sc{0%,100%{opacity:.2}50%{opacity:1}}
/* mission */
.split h2{font-size:clamp(28px,3.6vw,46px);margin-bottom:22px;letter-spacing:-.02em}
.split .w{display:grid;grid-template-columns:1.15fr .85fr;gap:90px;align-items:center}
.split .txt>p{color:var(--muted);font-size:18px}
.split h3{font-size:clamp(20px,2.2vw,28px);line-height:1.3;max-width:560px}
.ph{position:relative;aspect-ratio:4/5;overflow:hidden}
.ph img{width:100%;height:100%;object-fit:cover;object-position:50% 20%;display:block;transition:transform 1.6s cubic-bezier(.2,.7,.2,1)}
.ph:hover img{transform:scale(1.04)}
.ph::after{content:"";position:absolute;inset:0;box-shadow:inset 0 0 0 1px var(--line),inset 0 0 60px rgba(57,208,255,.08);background:linear-gradient(0deg,rgba(0,0,0,.45),transparent 45%)}
/* future tech */
#ft h2{font-size:clamp(30px,4.6vw,60px);letter-spacing:-.02em}
.floor{position:absolute;left:0;right:0;bottom:0;height:46%;z-index:1;pointer-events:none;overflow:hidden;-webkit-mask-image:linear-gradient(0deg,#000,transparent);mask-image:linear-gradient(0deg,#000,transparent)}
.floor::before{content:"";position:absolute;left:-50%;right:-50%;bottom:-20%;height:160%;background-image:linear-gradient(rgba(57,208,255,.28) 1px,transparent 1px),linear-gradient(90deg,rgba(57,208,255,.28) 1px,transparent 1px);background-size:70px 70px;transform:perspective(520px) rotateX(64deg);transform-origin:50% 100%;animation:fl 5s linear infinite}
@keyframes fl{from{background-position:0 0}to{background-position:0 70px}}
.cols{display:grid;grid-template-columns:repeat(4,1fr);margin-top:80px;border-top:1px solid var(--line)}
.col{padding:38px 34px 12px;border-right:1px solid var(--line);transition:background .35s}
.col:first-child{padding-left:0}.col:last-child{border-right:0}
.col:hover{background:linear-gradient(180deg,rgba(57,208,255,.1),transparent)}
.col span{display:block;font-size:12px;letter-spacing:.3em;color:var(--a);font-weight:600;margin-bottom:70px}
.col h3{font-size:clamp(24px,2.6vw,34px);text-transform:uppercase;margin-bottom:16px}
.col p{color:var(--muted);font-size:15.5px;max-width:330px}
/* values */
.vals{display:grid;grid-template-columns:repeat(3,1fr);gap:50px}
.vals h3{font-size:clamp(26px,3.2vw,42px);text-transform:uppercase;margin-bottom:18px;padding-top:26px;border-top:1px solid var(--text)}
.vals p{color:var(--muted);font-size:16.5px;max-width:340px}
/* goals */
.goals{list-style:none;border-top:1px solid var(--line)}
.goals li{display:grid;grid-template-columns:110px 1fr;gap:16px;padding:44px 0;border-bottom:1px solid var(--line);align-items:baseline}
.goals span{font-size:13px;font-weight:600;letter-spacing:.3em;color:var(--a)}
.goals p{font-size:clamp(22px,3vw,40px);font-weight:600;letter-spacing:-.015em;line-height:1.25;max-width:880px}
/* list */
.list{border-top:1px solid var(--line)}
.row{display:grid;grid-template-columns:170px 1fr 24px;gap:20px;padding:30px 0;border-bottom:1px solid var(--line);align-items:baseline;transition:padding .3s}
.row:hover{padding-left:12px}.row:hover .arr,.row:hover h3{color:var(--a)}
.row time{font-size:12px;letter-spacing:.14em;color:var(--dim);font-weight:600}
.row h3{font-size:22px;letter-spacing:-.01em;line-height:1.35;transition:color .2s}
.row p{color:var(--muted);font-size:15px;margin-top:4px}
.arr{color:var(--dim);transition:color .2s}
.empty{padding:40px 0;color:var(--muted);border-bottom:1px solid var(--line)}
/* footer */
footer.slide{display:block;padding:150px 0 44px;background:radial-gradient(70% 90% at 50% 120%,rgba(57,208,255,.14),transparent 70%)}
footer h2{font-size:clamp(34px,6vw,84px);text-transform:uppercase;line-height:1;max-width:960px;margin-bottom:56px}
.contact{display:flex;gap:12px;flex-wrap:wrap;margin-bottom:44px}
.contact .btn{min-width:0}
.foot{display:flex;justify-content:space-between;align-items:flex-end;gap:20px;border-top:1px solid var(--line);padding-top:28px;font-size:12px;letter-spacing:.16em;text-transform:uppercase;color:var(--dim)}
.foot b{display:block;color:#fff;font-weight:600;font-size:13px;letter-spacing:.22em;margin-bottom:4px}
.ft-logo{width:90px;aspect-ratio:636/401;background:url(/assets/ft-white.png) no-repeat;background-size:125.8% auto;background-position:50% 47.9%;opacity:.9}
/* article */
.article{display:block;min-height:0;padding:170px 0 90px}.article .w{width:min(740px,100% - 48px)}
.article h1{font-size:clamp(32px,5vw,54px);letter-spacing:-.025em;line-height:1.12;margin-bottom:44px}
.prose{font-size:18px;color:rgba(255,255,255,.84);line-height:1.85}
.prose p,.prose ul,.prose ol,.prose blockquote,.prose pre{margin-bottom:1.35em}
.prose h2{font-size:26px;margin:2em 0 .6em;color:#fff;letter-spacing:-.015em}.prose h3{font-size:20px;margin:1.6em 0 .5em;color:#fff}
.prose a{color:var(--a)}.prose a:hover{text-decoration:underline}
.prose ul,.prose ol{padding-left:1.3em}.prose li{margin-bottom:.35em}
.prose blockquote{border-left:1px solid var(--a);padding-left:20px;color:var(--muted)}
.prose img{max-width:100%;margin:1.6em 0;display:block}
.prose code{background:rgba(255,255,255,.1);padding:1px 6px;font-size:.9em}
@media (max-width:900px){
 .w{width:calc(100% - 40px)}
 #dots{display:none}
 .slide{padding:96px 0;min-height:0}.hero{min-height:100svh}
 .hero .bg{object-position:78% 50%}
 .btn{min-width:160px}
 .split .w{grid-template-columns:1fr;gap:56px}.ph{aspect-ratio:1/1;max-width:420px}
 .cols,.vals{grid-template-columns:1fr}
 .col,.col:first-child{padding:30px 0;border-right:0;border-bottom:1px solid var(--line)}.col span{margin-bottom:30px}
 .goals li{grid-template-columns:50px 1fr}
 .row{grid-template-columns:1fr 24px}.row time{grid-column:1/-1}
 .foot{flex-direction:column;align-items:flex-start}
 footer.slide{padding:100px 0 36px}.contact{margin-bottom:80px}
}
@media (prefers-reduced-motion:reduce){html{scroll-behavior:auto;scroll-snap-type:none}.rv{opacity:1;transform:none;filter:none;transition:none}.scroll,.floor::before,.hero .bg{animation:none}}
.article .cover{width:100%;display:block;margin:0 0 44px;border:1px solid var(--line)}
.cnt{display:inline-flex;align-items:center;justify-content:center;min-width:24px;height:24px;padding:0 8px;margin-left:12px;border-radius:999px;font-size:12px;font-weight:600;letter-spacing:0;line-height:1;color:#001018;background:linear-gradient(135deg,#39d0ff,#6a7bff);box-shadow:0 0 0 1px rgba(255,255,255,.35) inset,0 0 18px rgba(57,208,255,.45)}
#menu a .cnt{margin-left:10px;font-size:11px;height:22px;min-width:22px;vertical-align:2px}
.btn.glass:hover .cnt{box-shadow:0 0 0 1px rgba(0,0,0,.25) inset}
.tags{display:flex;flex-wrap:wrap;gap:8px;margin-top:12px}.tags.top{margin:0 0 36px}
.tg{display:inline-flex;align-items:center;gap:6px;padding:5px 12px;border:1px solid var(--line);border-radius:999px;font-size:12.5px;font-weight:600;letter-spacing:.01em;color:rgba(255,255,255,.78);background:rgba(255,255,255,.04);transition:border-color .2s,color .2s,background .2s}
a.tg:hover{border-color:var(--a);color:#fff;background:rgba(57,208,255,.1)}
.tg b{font-weight:600;color:var(--a);font-size:11.5px}
.row .tg{padding:3px 10px;font-size:12px}
.row time{display:block}.rt{display:flex;align-items:center;gap:6px;margin-top:10px;font-size:12px;font-weight:400;letter-spacing:.02em;color:rgba(255,255,255,.42)}.rt .ic{flex:none;opacity:.8}
.row.read h3{color:#a78bfa}.row.read:hover h3{color:var(--a)}
.row.read .rt::after{content:"· ✓ Đã đọc";color:#a78bfa;margin-left:2px}
.tags.top{margin-bottom:12px}.article .rt{margin:0 0 40px}

/* liên kết hệ sinh thái */
a.col{display:block;color:inherit}
.col .dom{display:inline-flex;align-items:center;gap:6px;margin-top:22px;font-size:12px;font-weight:600;letter-spacing:.14em;text-transform:uppercase;color:rgba(255,255,255,.5);transition:color .25s,gap .25s}
.col .dom i{font-style:normal;color:var(--a);transition:transform .25s}
a.col:hover .dom{color:#fff;gap:10px}a.col:hover .dom i{transform:translate(2px,-2px)}
.eco{display:flex;flex-wrap:wrap;align-items:center;gap:10px 26px;margin:0 0 56px}
.eco>span{font-size:12px;font-weight:600;letter-spacing:.22em;text-transform:uppercase;color:rgba(255,255,255,.42)}
.eco a{font-size:14px;font-weight:600;color:rgba(255,255,255,.85);padding-bottom:3px;border-bottom:1px solid rgba(255,255,255,.22);transition:border-color .25s,color .25s}
.eco a:hover{color:#fff;border-color:var(--a)}
.eco a i{font-style:normal;color:var(--a);margin-left:5px;font-size:12px}
@media (min-width:901px) and (max-width:1100px){.cols{grid-template-columns:repeat(2,1fr)}.col:nth-child(2){border-right:0}.col:nth-child(n+3){border-top:1px solid var(--line)}.col:nth-child(3){padding-left:0}}

/* ===== Nền aurora + hero không ảnh (06/10/2026) ===== */
body{background:radial-gradient(60% 50% at 85% 6%,rgba(57,208,255,.26),transparent 70%),radial-gradient(55% 50% at 6% 42%,rgba(106,123,255,.24),transparent 70%),radial-gradient(60% 50% at 82% 88%,rgba(57,208,255,.18),transparent 70%),#111a2b;background-attachment:fixed}
.bar.solid{background:rgba(17,26,43,.72)}
.hero{display:flex;align-items:center;justify-content:center;text-align:center;padding:120px 0 90px;overflow:hidden}
.hero .grid{position:absolute;inset:0;z-index:1;pointer-events:none;background-image:linear-gradient(rgba(255,255,255,.07) 1px,transparent 1px),linear-gradient(90deg,rgba(255,255,255,.07) 1px,transparent 1px);background-size:72px 72px;-webkit-mask-image:radial-gradient(65% 65% at 50% 46%,#000 0%,transparent 75%);mask-image:radial-gradient(65% 65% at 50% 46%,#000 0%,transparent 75%);animation:gd 50s linear infinite}
@keyframes gd{to{background-position:72px 72px}}
.hero .orb{position:absolute;z-index:1;border-radius:50%;filter:blur(70px);pointer-events:none}
.hero .o1{width:520px;height:520px;right:8%;top:6%;background:radial-gradient(circle,rgba(57,208,255,.32),transparent 70%);animation:ob 16s ease-in-out infinite alternate}
.hero .o2{width:560px;height:560px;left:4%;bottom:0;background:radial-gradient(circle,rgba(106,123,255,.3),transparent 70%);animation:ob 20s ease-in-out infinite alternate-reverse}
@keyframes ob{from{transform:translate3d(0,0,0) scale(1)}to{transform:translate3d(40px,-30px,0) scale(1.12)}}
.hero-in{position:relative;z-index:2;top:auto;left:auto;right:auto;padding:0 20px;max-width:1100px}
.hero .lab{justify-content:center;margin-bottom:26px}.hero .lab::before{display:none}
.hero h1{font-size:clamp(38px,6.8vw,96px);letter-spacing:.06em;margin-bottom:24px}
.hero .sub{max-width:560px;margin:0 auto;font-size:clamp(15px,1.5vw,18px)}
.hero .hero-cta{position:static;margin-top:48px;padding:0;display:flex;gap:14px;justify-content:center;flex-wrap:wrap}
@media (prefers-reduced-motion:reduce){.hero .grid,.hero .o1,.hero .o2{animation:none}}

.related{margin-top:72px;padding-top:44px;border-top:1px solid var(--line)}
.related .lab{margin-bottom:22px}
.article .w{width:min(740px,100% - 48px)}
.related + .more{margin-top:40px}

.foot span{display:block}
.foot small{display:block;margin-top:8px;font-size:12.5px;font-weight:400;letter-spacing:.03em;text-transform:none;color:rgba(255,255,255,.45)}

/* hành tinh kết nối ở đáy hero */
#pl{position:absolute;left:0;right:0;bottom:0;width:100%;height:46%;z-index:1;pointer-events:none}
.hero{padding:110px 0 22vh}
.hero .scroll{display:none}
@media (max-width:900px){#pl{height:40%}.hero{padding:100px 0 26vh}}

/* headline: ba thương hiệu */
.hero h1{display:flex;flex-wrap:wrap;justify-content:center;align-items:center;gap:.25em .55em;font-size:clamp(26px,4.4vw,62px);letter-spacing:.05em;line-height:1.15}
.hero h1 i{flex:none;width:.14em;height:.14em;border-radius:50%;background:var(--a);box-shadow:0 0 14px var(--a)}
@media (max-width:720px){.hero h1{flex-direction:column;gap:.2em;font-size:clamp(22px,7.4vw,38px);letter-spacing:.04em}.hero h1 i{display:none}}
.hero h1 span{white-space:nowrap}

/* headline hai tầng: Future / Homes – Capital – Tech */
.hero h1{flex-direction:column;flex-wrap:nowrap;gap:.16em;font-weight:700;letter-spacing:.04em;line-height:1.02;font-size:clamp(46px,8.6vw,124px)}
.hero h1 .l1{display:block}
.hero h1 .l2{display:flex;flex-wrap:wrap;justify-content:center;align-items:center;gap:.1em .5em;font-size:.46em;letter-spacing:.1em;font-weight:700}
.hero h1 .l2 b{font-weight:700;white-space:nowrap}
.hero h1 .l2 i{display:block;flex:none;width:.7em;height:2px;border-radius:2px;background:var(--a);box-shadow:0 0 12px var(--a)}
@media (max-width:720px){.hero h1{font-size:clamp(42px,15vw,72px)}.hero h1 .l2{font-size:clamp(12px,4.3vw,22px);letter-spacing:.06em;gap:.1em .4em}.hero h1 .l2 i{width:.5em}}

/* ảnh phát biểu ở mục Sứ mệnh */
.ph{aspect-ratio:1010/853}
.ph img{object-position:50% 50%}
@media (max-width:900px){.ph{aspect-ratio:1010/853;max-width:none}}

/* ===== Hiệu năng (iPhone/Safari): bỏ hiệu ứng tốn GPU ===== */
body{background:#111a2b;background-attachment:scroll}
body::before{content:"";position:fixed;inset:0;z-index:-1;pointer-events:none;transform:translateZ(0);background:radial-gradient(60% 50% at 85% 6%,rgba(57,208,255,.26),transparent 70%),radial-gradient(55% 50% at 6% 42%,rgba(106,123,255,.24),transparent 70%),radial-gradient(60% 50% at 82% 88%,rgba(57,208,255,.18),transparent 70%)}
.rv{filter:none;transition:opacity .9s cubic-bezier(.2,.7,.2,1),transform .9s cubic-bezier(.2,.7,.2,1)}
.hero .orb{filter:none}
html.lite{scroll-snap-type:none}
html.lite #fx{display:none}
html.lite .bar.solid{backdrop-filter:none;-webkit-backdrop-filter:none;background:rgba(17,26,43,.94)}
html.lite #menu{backdrop-filter:none;-webkit-backdrop-filter:none;background:rgba(17,24,36,.99)}
html.lite .btn.glass{backdrop-filter:none;-webkit-backdrop-filter:none;background:rgba(40,48,66,.8)}
html.lite .hero .grid,html.lite .hero .o1,html.lite .hero .o2,html.lite .floor::before{animation:none}
html.lite .hero .grid{-webkit-mask-image:none;mask-image:none;opacity:.5}

/* ===== Mục Kiến thức ===== */
.vh{position:absolute;width:1px;height:1px;overflow:hidden;clip:rect(0 0 0 0);white-space:nowrap}
.kt [hidden]{display:none!important}
.kt.article .w{width:min(1040px,100% - 48px)}
.kt .ksub{color:var(--muted);font-size:15px;margin:0 0 22px}.kt .ksub.big{font-size:18px;max-width:680px;margin-bottom:30px}
.kt h1{margin-bottom:16px}
.kt .ksec{margin-top:64px}.kt .ksec .lab{margin-bottom:18px}
.ksearch{position:relative;max-width:680px;margin:0 0 16px}
.ksearch input{width:100%;height:52px;padding:0 18px;border:1px solid rgba(255,255,255,.3);border-radius:8px;background:rgba(255,255,255,.06);color:#fff;font:inherit;font-size:16px}
.ksearch input::placeholder{color:rgba(255,255,255,.6)}
.ksearch.has-q input{padding-right:132px}
.ksearch .kx{position:absolute;right:4px;top:4px;height:44px;min-width:44px;padding:0 12px;border:0;border-radius:6px;background:rgba(255,255,255,.12);color:#fff;font:inherit;font-size:12.5px;font-weight:600;cursor:pointer}
.ksearch .kx:hover{background:rgba(255,255,255,.22)}
.kt :is(input,button,a):focus-visible,.crumb a:focus-visible{outline:2px solid var(--a);outline-offset:2px}
.kchips{display:flex;flex-wrap:wrap;gap:8px}
.kb{display:inline-flex;align-items:center;gap:8px;min-height:44px;padding:0 16px;border:1px solid var(--line);border-radius:999px;background:transparent;color:rgba(255,255,255,.82);font:inherit;font-size:13.5px;font-weight:600;cursor:pointer;transition:border-color .2s,background .2s}
.kb b{font-weight:600;color:var(--a);font-size:12px}
.kb:hover{border-color:var(--a)}
.kb[aria-pressed=true]{border-color:var(--a);background:rgba(57,208,255,.16);color:#fff}
.kgrid{display:grid;grid-template-columns:repeat(auto-fit,minmax(260px,1fr));gap:16px}
.kcard{display:flex;flex-direction:column;gap:8px;padding:24px;border:1px solid var(--line);border-radius:10px;background:rgba(255,255,255,.04);transition:border-color .2s,background .2s}
.kcard:hover{border-color:var(--a);background:rgba(57,208,255,.07)}
.kcard h3{font-size:20px;line-height:1.3;letter-spacing:-.01em}
.kcard p{color:var(--muted);font-size:15px}
.kt .kcard .rt{margin:auto 0 0;padding-top:8px}
.kfoot{margin-top:auto;padding-top:8px;display:flex;flex-direction:column;gap:2px;font-size:13px;color:rgba(255,255,255,.62)}.kfoot b{color:var(--a);font-weight:600}
.kmeta{display:flex;flex-wrap:wrap;gap:6px;margin-bottom:8px}
.kc,.kl{display:inline-block;padding:2px 9px;border:1px solid var(--line);border-radius:999px;font-size:11.5px;font-weight:600;line-height:1.5;color:rgba(255,255,255,.82)}
.kc{border-color:rgba(57,208,255,.5);color:#8fe9ff}
.kl.l1{border-color:rgba(94,234,160,.5);color:#8cf0bd}.kl.l2{border-color:rgba(255,200,87,.5);color:#ffd98a}.kl.l3{border-color:rgba(190,160,255,.55);color:#cdb8ff}
.rt .kl{margin-left:6px}
.crumb{display:flex;flex-wrap:wrap;align-items:center;gap:8px;margin:0 0 18px;font-size:13px;font-weight:600;color:rgba(255,255,255,.7)}
.crumb a{color:var(--a)}.crumb a:hover{text-decoration:underline}
.related + .related{margin-top:48px}
@media (max-width:900px){.kt .ksec{margin-top:48px}.ksearch input{font-size:16px}}
@media (prefers-reduced-motion:reduce){.kcard,.kb{transition:none}}
#menu a[aria-current]{color:var(--a)}
.kt .rt{color:rgba(255,255,255,.62)}
/* ===== Series ===== */
.prose img[src$=".svg"]{width:100%;height:auto;box-sizing:border-box;background:#111a2b;border:1px solid var(--line);border-radius:12px;padding:12px}
.sline{margin:0 0 12px;font-size:13px;font-weight:600;color:rgba(255,255,255,.7)}.sline a{color:var(--a)}.sline a:hover{text-decoration:underline}
.sr{grid-template-columns:44px 1fr 24px;padding:22px 0}.sr .no{font-size:14px;font-weight:600;letter-spacing:.08em;color:var(--a)}
.sct{color:rgba(255,255,255,.6);font-weight:400}
.kt .btn.solid{margin-top:4px}
.sfeat{margin:0 0 32px}.sbig{max-width:760px}.sbtn{display:flex;flex-wrap:wrap;gap:12px;margin-top:14px}
.snav{display:grid;grid-template-columns:1fr 1fr;gap:16px;margin:56px 0 24px}
.snav a{display:flex;flex-direction:column;gap:4px;padding:18px 20px;border:1px solid var(--line);border-radius:10px;transition:border-color .2s}.snav a:hover{border-color:var(--a)}
.snav small{font-size:12px;font-weight:600;color:var(--a)}.snav b{font-size:16px;font-weight:600;line-height:1.35}
.snav .nx{grid-column:2;text-align:right}
@media (max-width:600px){.snav{grid-template-columns:1fr}.snav .nx{grid-column:auto}}
/* vùng bấm đủ lớn cho liên kết "xem thêm/quay lại" trên điện thoại */
@media (max-width:900px){.more{display:inline-block;padding:13px 0}}