/* Chạy Cùng Mình — theme ccm. Phong cách base.vn (tối xanh + thân trắng), cảm giác app trên mobile. */
@font-face{font-family:Inter;font-style:normal;font-weight:400 800;font-display:swap;src:url(../fonts/inter-vi.woff2) format("woff2")}
@font-face{font-family:"Inter fb";src:local("Arial"),local("Helvetica");size-adjust:107.4%;ascent-override:90.2%;descent-override:22.5%;line-gap-override:0%}
:root{
--n0:#030213;--n1:#080614;--n2:#100e28;--b0:#0057f2;--b1:#1e88e5;--b2:#3ba2fc;--b3:#74baf6;
--on:#e2e8ff;--on2:rgba(226,232,255,.78);--on3:rgba(226,232,255,.62);--gl:rgba(226,232,255,.06);--gl2:rgba(226,232,255,.12);--ln:rgba(226,232,255,.12);
--bg:#fff;--bg2:#f6f8ff;--tint:#f0f7ff;--ink:#222;--hd:#111;--mu:#5b6270;--bd:rgba(17,17,17,.1);--lk:#0263e0;--chip:#ddedfb;--chipt:#0b57b8;--card:#fff;
--wbg:#fff8e6;--wbd:#f1dd9f;--wfg:#4a3a05;--th:#0a2d78;--zebra:rgba(128,128,128,.07);
--g:16px;--e:cubic-bezier(.2,.7,.2,1);--pad:max(var(--g),calc((100vw - 1120px)/2));--hh:56px;
--btn:linear-gradient(260deg,#0048d8,#1872d4);
--btn-sh:0 3px 14px rgba(0,87,242,.5),inset 0 -7px 18px rgba(255,255,255,.26),0 0 0 4px rgba(111,161,224,.2);
--glow:radial-gradient(80% 55% at 10% 30%,rgba(30,136,229,.38),transparent 70%),radial-gradient(60% 45% at 100% 55%,rgba(0,87,242,.24),transparent 70%),linear-gradient(180deg,#080614,#05040f);
}
@media(prefers-color-scheme:dark){:root{--bg:#0a0918;--bg2:#100f26;--tint:#0e1a33;--ink:#d8dcea;--hd:#fff;--mu:#9aa2b8;--bd:rgba(226,232,255,.13);--lk:#74baf6;--chip:rgba(59,162,252,.16);--chipt:#9bd0ff;--card:#100f26;--wbg:rgba(240,180,41,.1);--wbd:rgba(240,180,41,.3);--wfg:#f5dfa0;--th:#14337f;--zebra:rgba(255,255,255,.04)}}
@media(min-width:768px){:root{--g:24px}}
@media(min-width:900px){:root{--hh:64px}}
*,::before,::after{box-sizing:border-box}
html{-webkit-text-size-adjust:100%;text-size-adjust:100%;scroll-behavior:smooth;-webkit-tap-highlight-color:transparent;color-scheme:light dark}
body{margin:0;font:400 16px/1.6 Inter,"Inter fb",system-ui,-apple-system,"Segoe UI",Roboto,sans-serif;color:var(--ink);background:var(--bg);-webkit-font-smoothing:antialiased;padding-bottom:calc(64px + env(safe-area-inset-bottom));overflow-x:hidden}
img,svg{max-width:100%}img{height:auto}
a{color:inherit;text-decoration:none}
h1,h2,h3,p,ol,ul,dl,dd,figure{margin:0}
button{font:inherit;color:inherit}
:focus-visible{outline:3px solid #2d62ff;outline-offset:2px;border-radius:6px}
.sr,.screen-reader-text{position:absolute!important;width:1px;height:1px;overflow:hidden;clip:rect(0 0 0 0);white-space:nowrap}
.skip{position:absolute;left:8px;top:-60px;z-index:100;background:#fff;color:#111;padding:10px 16px;border-radius:10px;font-weight:600}.skip:focus{top:8px}
.ic{width:24px;height:24px;flex:none;fill:none;stroke:currentColor;stroke-width:1.75;stroke-linecap:round;stroke-linejoin:round}
.wrap,.wrap-m{width:100%;margin-inline:auto;padding-inline:var(--g)}
.wrap{max-width:calc(1120px + 2*var(--g))}.wrap-m{max-width:calc(720px + 2*var(--g))}
.on-dark{color:var(--on);--lk:var(--b3);--hd:#fff;--mu:var(--on3);--bd:var(--ln)}
.gt{background:linear-gradient(260deg,#1e88e5,#74baf6);-webkit-background-clip:text;background-clip:text;color:transparent;-webkit-text-fill-color:transparent}

/* ===== Header ===== */
.hd{position:sticky;top:0;z-index:50;padding-top:env(safe-area-inset-top);background:#080614;border-bottom:1px solid rgba(226,232,255,.08);transition:transform .28s var(--e);view-transition-name:hd}
.hd.off{transform:translateY(-100%)}
.hd-in{display:flex;align-items:center;gap:4px;height:var(--hh);max-width:calc(1280px + 2*var(--g));margin:auto;padding-inline:max(8px,var(--g) - 8px)}
.brand{display:flex;align-items:center;gap:10px;font-weight:650;font-size:17px;letter-spacing:-.01em;color:#fff;min-height:44px;padding-left:8px;white-space:nowrap}
.brand-lg{width:32px;height:32px}
.ib{display:grid;place-items:center;width:44px;height:44px;border-radius:50%;color:var(--on);background:none;border:0;cursor:pointer;transition:background .2s,transform .2s}
.ib:active{background:var(--gl2);transform:scale(.92)}
.soc .ic{width:21px;height:21px}
.hd-r{display:flex;margin-left:auto}
.hd-t{font-weight:600;font-size:16px;color:#fff;overflow:hidden;text-overflow:ellipsis;white-space:nowrap;min-width:0}
.has-bk .brand{display:none}.has-bk .hd-in{padding-left:4px}
.dnav{display:none}
@media(min-width:900px){
.hd-in{gap:8px}.has-bk .brand{display:flex}.bk,.hd-t{display:none}
.dnav{display:flex;gap:2px;margin-left:20px}
.dnav a{padding:9px 16px;border-radius:99px;font-size:15px;font-weight:500;color:var(--on2);transition:background .2s,color .2s}
.dnav a:hover{color:#fff;background:var(--gl)}.dnav a[aria-current]{color:#fff;background:var(--gl2)}
}

/* ===== Tab bar (app) ===== */
.tb{position:fixed;left:0;right:0;bottom:0;z-index:60;display:grid;grid-template-columns:repeat(5,1fr);height:calc(64px + env(safe-area-inset-bottom));padding-bottom:env(safe-area-inset-bottom);background:#0b0a1f;border-top:1px solid var(--ln);view-transition-name:tb}
.tb a{position:relative;display:flex;flex-direction:column;align-items:center;justify-content:center;gap:3px;min-height:48px;font-size:12px;font-weight:500;color:#a9b2d0;transition:color .2s,transform .15s}
.tb a:active{transform:scale(.9)}
.tb .ic{width:25px;height:25px;transition:transform .25s var(--e)}
.tb a[aria-current]{color:var(--b3);font-weight:600}
.tb a[aria-current] .ic{transform:translateY(-1px);filter:drop-shadow(0 0 7px rgba(59,162,252,.6))}
.tb a::before{content:"";position:absolute;top:0;left:50%;width:30px;height:3px;margin-left:-15px;border-radius:0 0 4px 4px;background:linear-gradient(90deg,var(--b1),var(--b3));box-shadow:0 0 14px 2px rgba(59,162,252,.65);transform:scaleX(0);transition:transform .25s var(--e)}
.tb a[aria-current]::before{transform:scaleX(1)}
@media(min-width:900px){.tb{display:none}body{padding-bottom:0}}

/* ===== Hero tối ===== */
.hero,.dk,.prof{position:relative;background:var(--glow);border-radius:0 0 32px 32px;overflow:hidden}
.dk .hero{background:none;border-radius:0;overflow:visible}
.hero{padding:26px 0 34px}
.hero-s{padding:22px 0 30px}
.pill{display:inline-flex;align-items:center;gap:8px;padding:6px 14px;border-radius:99px;background:var(--gl2);border:1px solid var(--ln);font-size:13px;font-weight:500;color:var(--on)}
.dot{width:8px;height:8px;border-radius:50%;background:var(--b2);box-shadow:0 0 0 0 rgba(59,162,252,.6);animation:pl 2s infinite}
@keyframes pl{70%{box-shadow:0 0 0 8px rgba(59,162,252,0)}100%{box-shadow:0 0 0 0 rgba(59,162,252,0)}}
.hero h1{font-size:clamp(44px,12.6vw,76px);line-height:1.03;letter-spacing:-.035em;font-weight:650;color:#fff;margin:16px 0 14px}
.hero-s h1{font-size:clamp(32px,8.5vw,54px);line-height:1.08;letter-spacing:-.03em;margin:14px 0 10px}
.lead{font-size:17px;line-height:1.55;color:var(--on2);max-width:34em;margin-bottom:22px}
.cnt{margin-top:12px;color:var(--on3);font-size:14px}
.cta{display:flex;flex-wrap:wrap;gap:10px}
.btn{display:inline-flex;align-items:center;justify-content:center;gap:9px;min-height:48px;padding:12px 24px;border-radius:99px;border:0;font-weight:600;font-size:16px;line-height:24px;color:#fff;cursor:pointer;transition:transform .2s,filter .2s,background .2s;-webkit-user-select:none;user-select:none}
.btn .ic{width:20px;height:20px}.btn:active{transform:scale(.96)}
.btn-p{background:var(--btn);box-shadow:var(--btn-sh)}
.btn-o{background:transparent;border:1px solid rgba(240,238,250,.32)}
@media(hover:hover){.btn-p:hover{filter:brightness(1.12)}.btn-o:hover{background:var(--gl2)}}
.hero-grid{display:grid;gap:22px}
.hero .cta .btn{padding-inline:18px;white-space:nowrap}.hero .cta .btn-p{flex:1 1 auto}.hero .cta .btn-o{flex:0 0 auto}
.stats{display:grid;grid-template-columns:1fr 1fr;gap:10px}
.stats>div{display:flex;flex-direction:column-reverse;gap:4px;padding:14px 16px;border-radius:18px;background:var(--gl);border:1px solid var(--ln);box-shadow:inset 0 -18px 60px -24px rgba(226,232,255,.12)}
.stats dt{font-size:13px;color:var(--on3);line-height:1.3}
.stats dd{display:flex;align-items:baseline;gap:5px}
.stats b{font-size:30px;line-height:1.1;font-weight:700;letter-spacing:-.03em;font-variant-numeric:tabular-nums;background:linear-gradient(260deg,#4da6f5,#b3dbff);-webkit-background-clip:text;background-clip:text;color:transparent;-webkit-text-fill-color:transparent}
.stats small{font-size:14px;font-weight:600;color:var(--on2)}
.cd{display:block;padding:20px;border-radius:26px;background:linear-gradient(160deg,rgba(226,232,255,.12),rgba(226,232,255,.03));border:1px solid var(--ln);-webkit-backdrop-filter:blur(18px);backdrop-filter:blur(18px);box-shadow:inset 0 -18px 60px -24px rgba(226,232,255,.14),0 12px 40px rgba(0,0,0,.25);transition:transform .2s}
a.cd:active{transform:scale(.98)}
.cd-n{display:flex;align-items:baseline;gap:10px;margin:14px 0 4px}
.cd-n b{font-size:72px;line-height:1;font-weight:700;letter-spacing:-.05em;font-variant-numeric:tabular-nums;background:linear-gradient(260deg,#3ba2fc,#b3dbff);-webkit-background-clip:text;background-clip:text;color:transparent;-webkit-text-fill-color:transparent}
.cd-n span{font-size:20px;font-weight:600;color:#fff}
.cd-i{display:flex;flex-wrap:wrap;gap:6px 16px;font-size:14px;color:var(--on2)}.cd-i span{display:inline-flex;align-items:center;gap:6px}.cd-i .ic{width:16px;height:16px}
.cd-go{display:inline-flex;align-items:center;gap:6px;margin-top:14px;font-weight:600;font-size:15px;color:var(--b3)}.cd-go .ic{width:18px;height:18px}
.cd-big{padding:26px 22px}.cd-big .cd-n b{font-size:96px}.cd-big .cd-n span{font-size:22px}
@media(min-width:900px){
.hero{padding:56px 0 52px}.hero-s{padding:44px 0 48px}
.hero-grid{grid-template-columns:1.25fr .75fr;align-items:center;gap:32px}
.hero-stats{grid-column:1/-1;grid-template-columns:repeat(4,1fr);margin-top:12px}
.hero,.dk,.prof{border-radius:0 0 40px 40px}
.hero .cta .btn-p{flex:0 0 auto}
.cd-n b{font-size:88px}.cd-big .cd-n b{font-size:112px}
}

/* ===== Section / strip ===== */
.sec{padding:34px 0}
.sec-ep{padding:4px 0 34px}
.sec-v{background:var(--bg2)}
.sec-hd{display:flex;align-items:flex-end;justify-content:space-between;gap:12px;margin-bottom:14px}
.sec-hd h2{font-size:clamp(24px,5vw,32px);line-height:1.2;letter-spacing:-.02em;font-weight:650;color:var(--hd)}
.sec-hd p{font-size:14px;color:var(--mu);margin-top:2px}
.more{display:inline-flex;align-items:center;gap:4px;min-height:44px;font-weight:600;font-size:15px;color:var(--lk);white-space:nowrap}.more .ic{width:18px;height:18px}
.h-sec{font-size:clamp(22px,4.6vw,28px);line-height:1.25;letter-spacing:-.015em;font-weight:650;color:var(--hd);margin:0 0 16px}
.strip{display:flex;gap:12px;overflow-x:auto;overscroll-behavior-x:contain;scroll-snap-type:x mandatory;padding:4px var(--pad) 10px;scroll-padding-inline:var(--pad);scrollbar-width:none;-webkit-overflow-scrolling:touch}
.strip::-webkit-scrollbar{display:none}.strip>*{flex:none;scroll-snap-align:start}
.ep{position:relative;display:flex;flex-direction:column;justify-content:flex-end;gap:6px;width:min(66vw,250px);aspect-ratio:3/4;padding:16px;border-radius:22px;overflow:hidden;isolation:isolate;color:#fff;background:linear-gradient(160deg,#17153a,#0a2a6a);transition:transform .2s}
.ep:active{transform:scale(.97)}
.ep img{position:absolute;inset:0;width:100%;height:100%;object-fit:cover;z-index:-2}
.ep::after{content:"";position:absolute;inset:0;z-index:-1;background:linear-gradient(180deg,rgba(8,6,20,.05) 30%,rgba(8,6,20,.9))}
.ep-n{position:absolute;top:14px;left:14px;padding:4px 11px;border-radius:99px;background:rgba(8,6,20,.62);border:1px solid rgba(255,255,255,.2);font-size:12px;font-weight:700;letter-spacing:.04em;text-transform:uppercase}
.ep-t{font-size:18px;line-height:1.3;font-weight:650;letter-spacing:-.01em;display:-webkit-box;-webkit-line-clamp:3;-webkit-box-orient:vertical;overflow:hidden}
.ep-moc{background:var(--gl);border:1px solid var(--ln);justify-content:flex-start;aspect-ratio:auto;min-height:190px;width:min(66vw,250px)}
.ep-moc::after{display:none}
.ep-moc .ep-n{position:static;align-self:flex-start;font-size:26px;line-height:1.2;padding:0;background:none;border:0;letter-spacing:-.02em;text-transform:none;background:linear-gradient(260deg,#3ba2fc,#b3dbff);-webkit-background-clip:text;background-clip:text;color:transparent;-webkit-text-fill-color:transparent}
.ep-d{font-size:14px;line-height:1.5;color:var(--on2)}

/* ===== Thẻ bài ===== */
.grid{display:grid;gap:16px}
@media(min-width:640px){.grid{grid-template-columns:1fr 1fr;gap:20px}}
@media(min-width:1024px){.grid{grid-template-columns:repeat(3,1fr);gap:24px}}
.card{position:relative;display:flex;flex-direction:column;background:var(--card);border:1px solid var(--bd);border-radius:22px;overflow:hidden;transition:transform .2s,box-shadow .25s}
.card:active{transform:scale(.985)}
@media(hover:hover){.card:hover{transform:translateY(-3px);box-shadow:2px 8px 24px rgba(17,17,17,.1)}}
.im{aspect-ratio:16/9;overflow:hidden;background:var(--bg2)}
.card .im{margin:8px 8px 0;border-radius:15px}
.im img{display:block;width:100%;height:100%;object-fit:cover}
.im-ph{display:grid;place-items:center;width:100%;height:100%;background:radial-gradient(90% 90% at 20% 0,rgba(30,136,229,.45),transparent 70%),linear-gradient(160deg,#10153a,#082a6a)}
.im-ph svg{width:56px;height:56px;opacity:.92}
.tx{padding:14px 16px 18px;display:flex;flex-direction:column;gap:8px;flex:1}
.chip{align-self:flex-start;padding:3px 12px;border-radius:99px;background:var(--chip);color:var(--chipt);font-size:12px;font-weight:600;line-height:20px}
.card h3,.card h2{font-size:18px;line-height:1.35;font-weight:650;letter-spacing:-.01em;color:var(--hd);display:-webkit-box;-webkit-line-clamp:2;-webkit-box-orient:vertical;overflow:hidden}
.card h3 a::after,.card h2 a::after{content:"";position:absolute;inset:0}
.card p{font-size:14px;line-height:1.5;color:var(--mu);display:-webkit-box;-webkit-line-clamp:2;-webkit-box-orient:vertical;overflow:hidden}
.mt{display:flex;gap:10px;margin-top:auto;padding-top:2px;font-size:13px;color:var(--mu)}.mt span+span::before{content:"·";margin-right:10px}
.cats{display:grid;grid-template-columns:1fr 1fr;gap:12px}
@media(min-width:900px){.cats{grid-template-columns:repeat(4,1fr)}}
.cat{position:relative;display:flex;flex-direction:column;justify-content:center;gap:2px;min-height:92px;padding:16px 44px 16px 18px;border:1px solid var(--bd);border-radius:20px;background:var(--card);font-weight:600;line-height:1.3;color:var(--hd);transition:transform .2s}
.cat:active{transform:scale(.97)}.cat-soon{background:transparent}.cat-soon span{color:var(--mu)}.cat small{font-weight:400;font-size:13px;color:var(--mu)}
.cat .ic{position:absolute;right:14px;top:50%;margin-top:-10px;width:20px;height:20px;color:var(--lk)}
.me{display:flex;align-items:center;gap:14px;padding:16px 18px;border-radius:24px;background:var(--glow);margin-bottom:20px}
.me-lg{width:56px;height:56px;flex:none}.me b{display:block;font-size:18px;color:#fff}.me span{font-size:14px;line-height:1.45;color:var(--on2)}.me>.ic{margin-left:auto;color:var(--b3)}
.kenh{border-radius:28px;background:var(--glow);text-align:center;padding:30px 20px}
.kenh-lg{width:56px;height:56px;margin:0 auto 12px;display:block}
.kenh-t{font-size:clamp(24px,6vw,32px);line-height:1.2;letter-spacing:-.02em;font-weight:650;color:#fff;margin-bottom:8px}
.kenh p{color:var(--on2);max-width:30em;margin:0 auto 20px}.kenh .cta{justify-content:center}
.empty{text-align:center;padding:40px 16px;border:1px dashed var(--bd);border-radius:24px;color:var(--mu)}
.empty-lg{width:64px;height:64px;margin-bottom:10px}
.body-l{background:var(--bg);padding:22px 0 56px}
.sf{display:flex;align-items:center;gap:10px;height:50px;max-width:480px;margin:0 0 14px;padding:0 18px;border:1px solid var(--bd);border-radius:99px;background:var(--card);color:var(--mu)}
.sf input{flex:1;min-width:0;border:0;background:none;font:inherit;font-size:16px;color:var(--ink);outline:0}
.sf:focus-within{border-color:var(--b1);box-shadow:0 0 0 3px rgba(30,136,229,.2)}
.chips{padding-bottom:6px;margin-bottom:12px}
.chp{display:inline-flex;align-items:center;min-height:44px;padding:0 18px;border:1px solid var(--bd);border-radius:99px;background:var(--card);font-size:14px;font-weight:500;color:var(--ink);white-space:nowrap;transition:transform .15s}
.chp:active{transform:scale(.95)}.chp.on{background:var(--btn);border-color:transparent;color:#fff;font-weight:600}
.nav-links{display:flex;flex-wrap:wrap;justify-content:center;gap:8px;margin-top:32px}
.page-numbers{display:grid;place-items:center;min-width:44px;height:44px;padding:0 14px;border:1px solid var(--bd);border-radius:99px;font-weight:500;font-size:15px}
.page-numbers.current{background:var(--btn);color:#fff;border-color:transparent}.page-numbers.dots{border:0}

/* ===== Video ===== */
.vcard{min-width:0}
.vd{position:relative;display:block;width:100%;aspect-ratio:9/16;padding:0;border:0;border-radius:18px;overflow:hidden;background:var(--n2);cursor:pointer;transition:transform .2s}
.vd:active{transform:scale(.97)}.vd img{width:100%;height:100%;object-fit:cover;display:block}
.vd-ph{position:absolute;inset:0;display:grid;place-items:center;padding:14px;text-align:center;background:radial-gradient(100% 70% at 30% 0,rgba(30,136,229,.5),transparent 70%),linear-gradient(170deg,#12286b,#080614)}
.vd-ph b{font-size:18px;line-height:1.25;font-weight:700;letter-spacing:-.01em;color:#fff;text-wrap:balance}
.vd-pl{position:absolute;inset:0;display:grid;place-items:center}
.vd-pl .ic{width:54px;height:54px;padding:16px 14px 16px 18px;border-radius:50%;background:rgba(8,6,20,.55);border:1px solid rgba(255,255,255,.32);color:#fff}
.vd-v{position:absolute;left:8px;top:8px;z-index:1;display:inline-flex;align-items:center;gap:4px;padding:3px 9px 3px 7px;border-radius:99px;background:rgba(8,6,20,.66);color:#fff;font-size:12px;font-weight:600}.vd-v .ic{width:14px;height:14px}
.vt{margin:8px 2px 0;font-size:13px;line-height:1.38;color:var(--ink);display:-webkit-box;-webkit-line-clamp:2;-webkit-box-orient:vertical;overflow:hidden}
.vi{width:150px}
.vgrid{display:grid;grid-template-columns:1fr 1fr;gap:16px 12px}
@media(min-width:640px){.vgrid{grid-template-columns:repeat(3,1fr)}}@media(min-width:900px){.vgrid{grid-template-columns:repeat(4,1fr);gap:22px 16px}}@media(min-width:1100px){.vgrid{grid-template-columns:repeat(5,1fr)}}
.vgrid .vcard{content-visibility:auto;contain-intrinsic-size:auto 340px}
.tt-f{display:block;width:100%;aspect-ratio:9/16;border:0;border-radius:18px;background:#000}

/* ===== Bài viết ===== */
.ah{padding:22px var(--g) 18px;text-align:center}
.bc{display:flex;flex-wrap:wrap;justify-content:center;gap:6px;font-size:14px;font-weight:500;color:var(--mu)}.bc a{color:var(--lk)}
.ah h1{font-size:clamp(27px,5.4vw,46px);line-height:1.2;letter-spacing:-.022em;font-weight:700;color:var(--hd);margin:14px auto 18px;text-wrap:balance}
.meta{display:inline-flex;align-items:center;gap:12px;text-align:left}
.av-lg{width:42px;height:42px;flex:none}.mb{display:flex;flex-direction:column;line-height:1.35}.mb b{font-size:15px;color:var(--hd)}.mb span{font-size:14px;color:var(--mu)}
.cover{margin-bottom:26px}
.cover img{display:block;width:100%;height:auto;aspect-ratio:16/9;object-fit:cover;border-radius:20px}
@media(min-width:768px){.cover img{border-radius:24px}.cover{margin-bottom:36px}}
.ab{display:block}
.toc-m{margin:0 auto 22px;max-width:720px;border:1px solid var(--bd);border-radius:16px;background:var(--bg2)}
.toc-m summary{display:flex;align-items:center;gap:10px;min-height:48px;padding:0 16px;font-weight:600;color:var(--hd);cursor:pointer;list-style:none}.toc-m summary::-webkit-details-marker{display:none}
.toc-m .chev{margin-left:auto;transition:transform .25s}.toc-m[open] .chev{transform:rotate(180deg)}
.toc-m ol,.toc-d ol{list-style:none;padding:0 16px 12px;counter-reset:t}
.toc-m li,.toc-d li{counter-increment:t}
.toc-m a,.toc-d a{display:block;padding:9px 0;font-size:15px;line-height:1.4;color:var(--ink)}
.toc-m a::before,.toc-d a::before{content:counter(t) ".";display:inline-block;min-width:1.7em;color:var(--lk);font-weight:600}
.toc-d{display:none}
@media(min-width:1024px){
.ab{display:grid;grid-template-columns:240px minmax(0,720px);gap:56px;justify-content:center}
.toc-m{display:none}.toc-d{display:block;position:sticky;top:calc(var(--hh) + 20px);align-self:start;max-height:calc(100vh - var(--hh) - 40px);overflow:auto}
.toc-in b{display:flex;align-items:center;gap:8px;font-size:13px;letter-spacing:.06em;text-transform:uppercase;color:var(--mu);margin-bottom:6px}.toc-in b .ic{width:18px;height:18px}
.toc-d ol{padding:0;border-left:2px solid var(--bd)}.toc-d a{padding:8px 0 8px 14px;margin-left:-2px;border-left:2px solid transparent;font-size:14.5px}
.toc-d a[aria-current]{border-left-color:var(--b1);color:var(--hd);font-weight:600}
}
.prose{min-width:0;font-size:17px;line-height:1.75;color:var(--ink);overflow-wrap:break-word;hyphens:manual}
@media(min-width:600px){.prose{font-size:18px}}
.prose>*+*{margin-top:1.15em}
.prose>h2{margin-top:2.1em}.prose>h3{margin-top:1.7em}
.prose a{color:var(--lk);text-decoration:underline;text-decoration-thickness:1px;text-underline-offset:.2em}
.prose h2{font-size:clamp(22px,4.6vw,28px);line-height:1.3;font-weight:650;letter-spacing:-.015em;color:var(--hd);scroll-margin-top:84px}
.prose h2::before{content:"";display:block;width:28px;height:4px;border-radius:4px;background:linear-gradient(90deg,var(--b1),var(--b3));margin-bottom:12px}
.prose h3{font-size:clamp(19px,3.8vw,23px);line-height:1.35;font-weight:600;color:var(--hd);scroll-margin-top:84px}
.prose h4{font-size:19px;font-weight:600;color:var(--hd)}
.prose strong,.prose b{font-weight:650;color:var(--hd)}
.prose ul,.prose ol{padding-left:1.3em}.prose li+li{margin-top:.45em}.prose li::marker{color:var(--b1);font-weight:600}
.prose hr{border:0;height:1px;background:var(--bd);margin:2em 0}
.prose figure{margin:1.8em 0 0}
.prose img{display:block;width:100%;height:auto;border-radius:16px}
.prose figcaption{margin-top:9px;font-size:14px;line-height:1.5;color:var(--mu)}
.prose blockquote{padding:4px 0 4px 18px;border-left:4px solid var(--b1);color:var(--hd);margin-inline:0}
.prose code{font-size:.9em;padding:.12em .4em;border-radius:6px;background:var(--bg2)}
.ccm-tomtat{position:relative;padding:18px 20px 18px 22px;border-radius:4px 18px 18px 4px;background:var(--tint);border-left:4px solid #1a7efb;font-size:17px;line-height:1.65}
.ccm-tomtat::before{content:"Tóm tắt nhanh";display:block;margin-bottom:6px;font-size:12px;font-weight:700;letter-spacing:.08em;text-transform:uppercase;color:var(--lk)}
.ccm-tomtat p+p{margin-top:.6em}
.ccm-so{display:grid;grid-template-columns:repeat(auto-fit,minmax(140px,1fr));gap:10px}
.ccm-so>div{display:flex;flex-direction:column;gap:4px;padding:16px 16px 14px;border-radius:18px;color:#fff;background:radial-gradient(120% 110% at 0 0,rgba(30,136,229,.4),transparent 62%),#0b0a1f;border:1px solid rgba(226,232,255,.1)}
.ccm-so b{font-size:clamp(19px,5.4vw,26px);white-space:nowrap;line-height:1.15;font-weight:700;letter-spacing:-.03em;background:linear-gradient(260deg,#4da6f5,#b3dbff);-webkit-background-clip:text;background-clip:text;color:transparent;-webkit-text-fill-color:transparent;font-variant-numeric:tabular-nums}
.ccm-so span{font-size:13px;line-height:1.35;color:var(--on2)}
.ccm-luuy{position:relative;padding:16px 18px 16px 54px;border-radius:16px;background:var(--wbg);border:1px solid var(--wbd);color:var(--wfg);font-size:16px;line-height:1.65}
.ccm-luuy::before{content:"!";position:absolute;left:16px;top:16px;display:grid;place-items:center;width:26px;height:26px;border-radius:50%;background:#e8a900;color:#fff;font-weight:800;font-size:15px}
.prose .ccm-luuy strong{color:inherit}
.ccm-binhluan{position:relative;padding:24px 22px 20px!important;border:0!important;border-radius:20px;background:var(--bg2);font-size:17px;color:var(--ink)!important}
.ccm-binhluan::before{content:"“";display:block;height:30px;font-size:64px;line-height:.9;font-weight:700;background:linear-gradient(260deg,#1e88e5,#74baf6);-webkit-background-clip:text;background-clip:text;color:transparent;-webkit-text-fill-color:transparent}
.ccm-binhluan cite{display:block;margin-top:10px;font-size:14px;font-style:normal;font-weight:500;color:var(--mu)}.ccm-binhluan cite::before{content:"— "}
.ccm-nhatky{list-style:none;padding:0!important}
.ccm-nhatky>li{position:relative;padding:0 0 22px 30px;margin:0!important}
.ccm-nhatky>li::before{content:"";position:absolute;left:5px;top:12px;bottom:-2px;width:2px;background:var(--bd)}.ccm-nhatky>li:last-child::before{display:none}
.ccm-nhatky>li::after{content:"";position:absolute;left:0;top:6px;width:12px;height:12px;border-radius:50%;background:linear-gradient(135deg,var(--b3),var(--b0));box-shadow:0 0 0 4px var(--bg)}
.ccm-nhatky time{display:inline-block;margin-bottom:4px;padding:1px 10px;border-radius:99px;background:var(--chip);color:var(--chipt);font-size:13px;font-weight:700}
.ccm-nhatky p{margin:0}
.ccm-tw{overflow-x:auto;border:1px solid var(--bd);border-radius:14px;-webkit-overflow-scrolling:touch;background:linear-gradient(90deg,var(--bg) 30%,transparent) 0 0/36px 100% no-repeat local,linear-gradient(270deg,var(--bg) 30%,transparent) 100% 0/36px 100% no-repeat local,radial-gradient(farthest-side at 0 50%,rgba(0,0,0,.2),transparent) 0 0/12px 100% no-repeat scroll,radial-gradient(farthest-side at 100% 50%,rgba(0,0,0,.2),transparent) 100% 0/12px 100% no-repeat scroll}
.ccm-tw table{width:100%;min-width:520px;border-collapse:collapse;font-size:15px;line-height:1.5}
.ccm-tw th{padding:12px 14px;background:var(--th);color:#fff;text-align:left;font-weight:650;white-space:nowrap}
.ccm-tw td{padding:11px 14px;border-top:1px solid var(--bd);vertical-align:top}.ccm-tw tbody tr:nth-child(even) td{background:var(--zebra)}
.ccm-tt{max-width:280px;margin-inline:auto!important}.ccm-tt figcaption{text-align:center}
.ccm-tt .vd{border-radius:20px}
.ccm-faq details{margin-top:10px;padding:0 18px;border:1px solid var(--bd);border-radius:16px;background:var(--card)}
.ccm-faq summary{display:flex;justify-content:space-between;align-items:center;gap:12px;min-height:52px;padding:10px 0;font-weight:600;color:var(--hd);cursor:pointer;list-style:none;line-height:1.4}.ccm-faq summary::-webkit-details-marker{display:none}
.ccm-faq summary::after{content:"";flex:none;width:9px;height:9px;margin-top:-4px;border:solid var(--lk);border-width:0 2px 2px 0;transform:rotate(45deg);transition:transform .25s}
.ccm-faq details[open] summary::after{transform:rotate(-135deg);margin-top:4px}
.ccm-faq details p{margin:0 0 16px;font-size:16px;color:var(--mu);line-height:1.65}
.prose .ccm-faq h2{margin-bottom:6px}
.ccm-nguon{font-size:15px;line-height:1.6;padding-top:6px}.ccm-nguon h2{font-size:20px}.ccm-nguon li{overflow-wrap:anywhere}
.ccm-mientru{padding-top:16px;border-top:1px solid var(--bd);font-size:14px;line-height:1.6;color:var(--mu)}
.aft{padding-top:40px}
.au{display:flex;gap:16px;padding:22px;margin-bottom:22px;border-radius:22px;background:var(--bg2);border:1px solid var(--bd)}
.au-lg{width:56px;height:56px;flex:none}.au b{font-size:18px;color:var(--hd)}.au p{font-size:15px;line-height:1.55;color:var(--mu);margin:4px 0 6px}
.rel{padding-bottom:48px}
.rp{position:fixed;top:0;left:0;right:0;z-index:70;height:3px;background:linear-gradient(90deg,var(--b1),var(--b3));transform-origin:0 50%;transform:scaleX(0);pointer-events:none}
@supports(animation-timeline:scroll()){.rp{animation:rp linear both;animation-timeline:scroll(root)}@keyframes rp{to{transform:scaleX(1)}}}

/* ===== Về mình / Hành trình ===== */
.prof{text-align:center;padding:30px 0 34px;overflow:hidden}
.prof .wrap-m{display:flex;flex-direction:column;align-items:center}
.prof-lg{width:104px;height:104px;filter:drop-shadow(0 10px 30px rgba(30,136,229,.55))}
.prof h1{font-size:clamp(30px,8vw,44px);letter-spacing:-.03em;font-weight:700;color:#fff;margin:16px 0 2px}
.hdl{color:var(--b3);font-weight:500;margin-bottom:12px}
.prof .lead{margin-bottom:18px;max-width:28em}.prof .cta{justify-content:center}
.prof-stats{margin-top:24px;width:100%;text-align:left}
@media(min-width:768px){.prof-stats{grid-template-columns:repeat(4,1fr)}}
.rows{list-style:none;padding:0;margin:0 0 30px;border:1px solid var(--bd);border-radius:22px;background:var(--card);overflow:hidden}
.rows li+li{border-top:1px solid var(--bd)}
.rows a{display:flex;align-items:center;gap:14px;min-height:64px;padding:12px 16px;color:var(--hd);transition:background .15s}.rows a:active{background:var(--bg2)}
.ri{display:grid;place-items:center;width:40px;height:40px;flex:none;border-radius:12px;background:var(--chip);color:var(--chipt)}.ri .ic{width:21px;height:21px}
.rt b{display:block;font-weight:600;line-height:1.3}.rt small{font-size:13px;color:var(--mu)}.ra{margin-left:auto;width:20px;height:20px;color:var(--mu)}
.src{margin-top:24px;font-size:13px;color:var(--mu)}
.prose-page{font-size:17px}
.tl{list-style:none;padding:0;margin:0 0 34px}
.tl>li{position:relative;padding:0 0 20px 78px}
.tl>li::before{content:"";position:absolute;left:66px;top:12px;bottom:-4px;width:2px;background:var(--bd)}.tl>li:last-child::before{display:none}
.tl>li::after{content:"";position:absolute;left:60px;top:5px;width:14px;height:14px;border-radius:50%;background:linear-gradient(135deg,var(--b3),var(--b0));box-shadow:0 0 0 4px var(--bg)}
.tl time{position:absolute;left:0;top:0;width:52px;text-align:right;font-weight:700;line-height:1.7;color:var(--hd)}
.tl-moc h3{font-size:18px;line-height:1.35;font-weight:650;color:var(--hd)}.tl-moc p{font-size:15px;color:var(--mu);line-height:1.55}
.tl-c{display:grid;grid-template-columns:84px 1fr;gap:12px;padding:10px;border:1px solid var(--bd);border-radius:18px;background:var(--card);transition:transform .2s}.tl-c:active{transform:scale(.98)}
.tl-c .im{aspect-ratio:1;border-radius:12px}
.tl-c .tx{padding:2px 4px 2px 0;gap:3px;justify-content:center}.tl-c small{font-size:12px;font-weight:700;letter-spacing:.05em;text-transform:uppercase;color:var(--lk)}
.tl-c b{font-size:16px;line-height:1.35;color:var(--hd)}.tl-c .tx>span{font-size:13px;line-height:1.45;color:var(--mu);display:-webkit-box;-webkit-line-clamp:2;-webkit-box-orient:vertical;overflow:hidden}
.nf{text-align:center}.nf-lg{width:80px;height:80px;margin:6px auto 0;display:block;filter:drop-shadow(0 8px 26px rgba(30,136,229,.5))}.nf .lead{margin-inline:auto}.nf .cta{justify-content:center}

/* ===== Footer ===== */
.ft{padding:44px 0 26px;background:var(--n0);border-radius:28px 28px 0 0;margin-top:-1px}
.ft-grid{display:grid;grid-template-columns:1fr 1fr;gap:26px 20px}
.ft-brand{grid-column:1/-1}.ft-brand p{margin:12px 0 10px;max-width:26em;color:var(--on2);font-size:15px}
.ft-soc{display:flex;gap:6px;margin-left:-8px}.ft-soc .ib{background:var(--gl)}
.ft-col h2{font-size:13px;font-weight:600;letter-spacing:.08em;text-transform:uppercase;color:var(--on3);margin-bottom:6px}
.ft-col a{display:flex;align-items:center;min-height:44px;font-size:15px;color:var(--on2)}.ft-col a:active{color:#fff}
.ft-bot{margin-top:22px;padding-top:18px;border-top:1px solid var(--ln);font-size:13px;line-height:1.55;color:var(--on3)}
@media(min-width:900px){.ft{padding-top:56px;border-radius:40px 40px 0 0}.ft-grid{grid-template-columns:1.5fr 1fr 1fr 1.2fr;gap:32px}.ft-brand{grid-column:auto}}

/* ===== Chuyển trang mượt (View Transitions xuyên trang) ===== */
@view-transition{navigation:auto}
::view-transition-old(root),::view-transition-new(root){animation-duration:.2s}
@media(prefers-reduced-motion:reduce){@view-transition{navigation:none}*,::before,::after{animation-duration:.01ms!important;animation-iteration-count:1!important;transition-duration:.01ms!important;scroll-behavior:auto!important}.rp{animation:none!important;display:none}}

.ccm-av{border-radius:50%;object-fit:cover;display:block}.prof-lg.ccm-av{border:3px solid rgba(116,186,246,.6)}