:root{--navy:#0b1a2c;--navy2:#102c43;--gold:#e7b54c;--ink:#243348;--muted:#607085;--paper:#fff;--soft:#f3f6f8;--line:#dce5ec;--orange:#e95e38}*{box-sizing:border-box}html{scroll-behavior:smooth}body{margin:0;background:#fff;color:var(--ink);font:16px/1.75 "Segoe UI",Arial,sans-serif;overflow-x:hidden}img{max-width:100%;height:auto}a{color:inherit;text-decoration:none}button,a{transition:color .2s,background .2s,box-shadow .2s,transform .2s}button:focus-visible,a:focus-visible{outline:3px solid var(--orange);outline-offset:3px}.wrap{width:min(1180px,calc(100% - 40px));margin-inline:auto}.site-header{background:var(--navy);color:#fff;border-bottom:1px solid rgba(255,255,255,.12)}.header-inner{min-height:94px;display:flex;align-items:center;gap:24px}.brand{flex:none;display:flex;align-items:center}.brand img{width:226px;height:auto;display:block}.main-nav{display:flex;align-items:center;gap:20px;margin-left:auto}.main-nav a{font-size:14px;font-weight:650;white-space:nowrap;color:#eaf0f6}.main-nav a:hover{color:var(--gold)}.header-cta{padding:10px 18px;border-radius:8px;background:var(--gold);color:var(--navy);font-weight:800;white-space:nowrap}.header-cta:hover,.btn-primary:hover{background:#f8ca68;transform:translateY(-2px)}.menu-toggle{display:none;border:1px solid #526477;background:none;color:white;border-radius:8px;padding:8px 12px;font:inherit}.eyebrow{display:block;color:#b58221;font-size:12px;font-weight:800;letter-spacing:.11em;text-transform:uppercase}.hero{background:linear-gradient(115deg,#0b1a2c 0%,#0f304c 70%,#174864 100%);color:white;padding:82px 0 78px;position:relative;overflow:hidden}.hero:before{content:"";position:absolute;inset:auto -150px -360px auto;width:700px;height:700px;border-radius:50%;background:radial-gradient(circle,rgba(231,181,76,.2),transparent 70%)}.hero-grid{display:grid;grid-template-columns:1fr 1fr;gap:60px;align-items:center;position:relative}.hero .eyebrow{color:var(--gold)}h1,h2,h3,p{margin-top:0}h1,h2,h3{line-height:1.2;letter-spacing:-.025em}h1{font-size:clamp(38px,5vw,66px);margin:15px 0 24px}h2{font-size:clamp(27px,3vw,40px);margin:8px 0 18px}h3{font-size:20px}.hero-copy>p{font-size:18px;color:#d2e1ec;max-width:580px}.hero-actions{display:flex;gap:14px;margin-top:30px;flex-wrap:wrap}.btn{display:inline-flex;align-items:center;justify-content:center;border-radius:10px;padding:13px 25px;font-size:15px;font-weight:800}.btn-primary{background:var(--gold);color:var(--navy)}.btn-outline{border:1px solid #86a0b5;color:white}.btn-outline:hover{background:rgba(255,255,255,.13)}.hero-facts{display:flex;gap:20px;flex-wrap:wrap;color:#b7cbda;font-size:13px;margin-top:36px}.hero-facts span+span:before{content:"•";margin-right:20px;color:var(--gold)}.hero-visual{position:relative;border:1px solid rgba(255,255,255,.25);padding:9px;border-radius:22px;transform:rotate(2deg);box-shadow:0 28px 70px rgba(0,0,0,.3)}.hero-visual img{display:block;width:100%;aspect-ratio:16/9;object-fit:cover;border-radius:15px}.hero-label{position:absolute;bottom:-18px;left:28px;right:28px;text-align:center;background:#fff;color:var(--navy);border-radius:10px;padding:10px;font-weight:800;box-shadow:0 12px 30px #0003}.quick{padding:76px 0}.quick-grid{display:grid;grid-template-columns:repeat(4,1fr);gap:16px;margin-top:27px}.quick-grid a{border:1px solid var(--line);border-radius:16px;padding:22px;background:#fff;box-shadow:0 6px 24px #0b1a2c0a}.quick-grid a:hover,.category-tile:hover,.card:hover{transform:translateY(-4px);box-shadow:0 16px 34px #0b1a2c1c}.quick-grid span{color:var(--gold);font-weight:900;font-size:13px}.quick-grid strong,.quick-grid small{display:block}.quick-grid strong{font-size:18px;margin:6px 0}.quick-grid small{color:var(--muted);line-height:1.5}.section{padding:78px 0}.section-soft{background:var(--soft)}.section-head{display:flex;align-items:end;justify-content:space-between;gap:35px;margin-bottom:28px}.section-head p{max-width:400px;color:var(--muted);margin:0}.category-grid{display:grid;grid-template-columns:repeat(5,1fr);gap:15px}.category-tile{background:white;border:1px solid var(--line);border-radius:15px;padding:23px;min-height:230px;display:flex;flex-direction:column}.category-icon{width:42px;height:42px;display:grid;place-items:center;background:#fff5da;border-radius:10px;color:#ad7b1d}.category-tile h3{margin:18px 0 10px}.category-tile p{font-size:14px;color:var(--muted);line-height:1.5}.category-tile b{color:#b17b1c;margin-top:auto;font-size:14px}.card-grid{display:grid;grid-template-columns:repeat(3,minmax(0,1fr));gap:22px}.card{min-width:0;border:1px solid var(--line);border-radius:16px;overflow:hidden;background:white;box-shadow:0 5px 20px #0b1a2c0a}.card-image{display:block;aspect-ratio:16/9;overflow:hidden}.card-image img{width:100%;height:100%;object-fit:cover;display:block;transition:transform .3s}.card:hover .card-image img{transform:scale(1.04)}.card-body{padding:19px}.card-body h3{margin:8px 0 10px}.card-body h3 a:hover,.text-link:hover,.card-meta a:hover{color:#bd8428}.card-body p{color:var(--muted);font-size:14px;line-height:1.6;display:-webkit-box;-webkit-line-clamp:3;-webkit-box-orient:vertical;overflow:hidden}.card-meta{display:flex;justify-content:space-between;gap:10px;color:#8190a0;font-size:13px}.card-meta a,.text-link{color:#a87520;font-weight:800}.band{background:#102c43;color:white}.band-grid{display:grid;grid-template-columns:1.25fr 1fr;gap:75px;align-items:center}.band .eyebrow{color:var(--gold)}.band p{color:#d2e1ec}.band-points{border-left:1px solid #45647a;padding-left:40px}.band-points p{border-bottom:1px solid #45647a;padding:15px 0;margin:0}.band-points strong{color:var(--gold);margin-right:18px}.faq-preview{display:grid;grid-template-columns:1fr 1.3fr;gap:65px}.faq-preview>div>p{color:var(--muted)}.faq-box details{border-bottom:1px solid var(--line);padding:18px 0}.faq-box summary{font-weight:750;cursor:pointer}.faq-box p{margin:12px 0 0;color:var(--muted)}.site-footer{background:#071522;color:#b6c6d2;padding-top:68px}.footer-grid{display:grid;grid-template-columns:2fr 1fr 1fr;gap:65px}.footer-brand{display:inline-block;background:#f4f7f8;padding:5px 10px;border-radius:9px}.footer-brand img{width:190px;display:block}.site-footer h2{font-size:16px;color:#fff;margin:8px 0 17px}.site-footer p{font-size:14px;line-height:1.8;margin:14px 0}.site-footer a:hover{color:var(--gold)}.footer-grid>div:nth-child(n+2)>a{display:block;margin:7px 0;font-size:14px}.footer-end{border-top:1px solid #2e4354;margin-top:50px;padding:23px 0;display:flex;justify-content:space-between;gap:20px;font-size:13px}.breadcrumbs{display:flex;gap:9px;align-items:center;padding:23px 0;font-size:13px;color:#64798a;flex-wrap:wrap}.breadcrumbs a:hover{color:#a87520}.inner-page{padding-bottom:85px}.page-intro{padding:28px 0 33px;border-bottom:1px solid var(--line);margin-bottom:35px}.page-intro h1{font-size:clamp(36px,4vw,50px);color:var(--navy);margin:9px 0}.page-intro p{color:var(--muted);margin:0}.content-layout{display:grid;grid-template-columns:minmax(0,1fr) 270px;gap:34px;align-items:start}.list-grid{grid-template-columns:repeat(2,minmax(0,1fr))}.sidebar{background:#f6f8fa;border-radius:15px;padding:22px}.sidebar h2{font-size:20px;color:var(--navy);margin:0 0 12px}.side-item{display:flex;align-items:center;gap:10px;padding:12px 0;border-bottom:1px solid var(--line);font-size:13px;font-weight:700;line-height:1.4}.side-item:hover{color:#a87520}.side-item img{width:64px;height:52px;object-fit:cover;border-radius:7px;flex:none}.sidebar-note{margin-top:25px;background:#fff;border-left:3px solid var(--gold);padding:15px;font-size:13px}.sidebar-note p{margin:6px 0 0;color:var(--muted)}.pagination{display:flex;gap:7px;flex-wrap:wrap;margin-top:30px}.pagination a{min-width:38px;padding:8px 10px;border:1px solid var(--line);border-radius:7px;text-align:center;font-size:14px}.pagination a:hover,.pagination a.active{background:var(--navy);border-color:var(--navy);color:#fff}.pagination a.disabled{opacity:.35;pointer-events:none}.article-heading h1{font-size:clamp(33px,4vw,48px);color:var(--navy);margin:10px 0 17px}.article-meta{display:flex;gap:17px;flex-wrap:wrap;color:#738394;font-size:13px;margin-bottom:28px}.article-cover{width:100%;aspect-ratio:16/9;object-fit:cover;border-radius:14px;display:block}.article-body{font-size:16px;line-height:1.85;color:#334459}.article-body .lead{font-size:18px;color:#435367;margin:27px 0}.article-body h2{font-size:27px;color:var(--navy);margin:38px 0 15px}.article-body p{margin:0 0 17px}.article-body a{color:#a87520;text-decoration:underline}.article-body ol,.article-body ul{padding-left:24px}.article-body .note,.article-end{padding:18px 22px;background:#fff7e5;border-left:4px solid var(--gold);border-radius:7px;margin:25px 0}.article-body table{width:100%;border-collapse:collapse;margin:25px 0;font-size:14px}.article-body th,.article-body td{border:1px solid var(--line);padding:10px;text-align:left;vertical-align:top}.article-body th{background:var(--soft)}.post-switch{display:flex;justify-content:space-between;gap:20px;margin:38px 0}.post-switch a{flex:1;padding:15px;background:var(--soft);border-radius:9px;font-size:14px;font-weight:700}.post-switch a:hover{background:#e7eef3}.related{margin-top:45px}.related h2{font-size:28px}.related .card-grid{grid-template-columns:repeat(2,minmax(0,1fr))}.page-body{max-width:800px}.not-found{text-align:center;padding:90px 0 120px}.not-found h1{color:var(--navy)}.popup-overlay{position:fixed;inset:0;z-index:1000;background:rgba(3,11,20,.8);backdrop-filter:blur(5px);display:grid;place-items:center;padding:15px}.popup-overlay[hidden]{display:none}.popup-panel{width:min(520px,90vw);position:relative;animation:pop-in .42s ease-out}.popup-panel>a{display:block;position:relative}.popup-panel img{display:block;width:100%;height:auto}.popup-coins,.popup-type{position:absolute;inset:0}.popup-coins{animation:float-coins 3s ease-in-out infinite}.popup-button{display:block;position:absolute;left:25%;right:25%;bottom:1%;padding:12px;background:linear-gradient(90deg,#ee342e,#ff8e27);color:white;border-radius:100px;text-align:center;font-weight:900;box-shadow:0 8px 26px #0007}.popup-close{position:absolute;right:4%;top:2%;z-index:2;border:3px solid white;border-radius:50%;background:#132031;color:#fff;width:49px;height:49px;font-size:29px;font-weight:900;line-height:1;cursor:pointer}.bottom-ad{position:fixed;bottom:12px;left:50%;transform:translateX(-50%);z-index:900;width:min(600px,calc(100vw - 24px));box-shadow:0 10px 35px #0008;border-radius:7px}.bottom-ad img{display:block;width:100%;height:auto;border-radius:7px}.bottom-close{position:absolute;right:-8px;top:-18px;border:2px solid white;border-radius:50%;background:#16293a;color:white;width:30px;height:30px;font-size:22px;cursor:pointer}.bottom-ad[hidden]{display:none}@keyframes pop-in{from{transform:scale(.82);opacity:0}to{transform:scale(1);opacity:1}}@keyframes float-coins{50%{transform:translateY(-8px)}}@media(max-width:1100px){.brand img{width:170px}.main-nav{gap:12px}.main-nav a{font-size:12px}.category-grid{grid-template-columns:repeat(3,1fr)}}@media(max-width:800px){.header-inner{min-height:72px;flex-wrap:wrap;gap:12px}.brand img{width:160px}.menu-toggle{display:block;margin-left:auto}.main-nav{display:none;flex-basis:100%;order:4;flex-direction:column;align-items:stretch;gap:0;padding:0 0 15px}.main-nav.open{display:flex}.main-nav a{padding:9px 3px;font-size:15px;border-top:1px solid #385063}.header-cta{padding:7px 10px;font-size:12px}.hero{padding:55px 0}.hero-grid,.band-grid,.faq-preview{grid-template-columns:1fr;gap:35px}.hero-visual{transform:none}.quick-grid{grid-template-columns:repeat(2,1fr)}.content-layout{grid-template-columns:1fr}.sidebar{display:none}.footer-grid{grid-template-columns:1.5fr 1fr;gap:32px}.section{padding:55px 0}}@media(max-width:560px){.wrap{width:min(100% - 28px,1180px)}.header-inner{gap:8px}.brand img{width:135px}.hero h1{font-size:39px}.hero-copy>p{font-size:16px}.hero-facts{gap:9px}.hero-facts span+span:before{margin-right:9px}.quick-grid,.category-grid,.card-grid,.list-grid,.related .card-grid,.footer-grid{grid-template-columns:1fr}.section-head{display:block}.section-head p{margin-top:9px}.quick{padding:45px 0}.category-tile{min-height:0}.band-points{padding-left:20px}.footer-end{display:block}.footer-end span{display:block;margin-bottom:7px}.popup-panel{width:min(410px,94vw)}.popup-button{font-size:13px;left:23%;right:23%;padding:7px}.popup-close{width:38px;height:38px;font-size:23px}.article-body h2{font-size:24px}.article-meta{gap:9px}.post-switch{display:block}.post-switch a{display:block;margin:8px 0}}


/* Băng quảng cáo KK8VN */
.bottom-ad{width:min(680px,calc(100vw - 24px));background:#08182a;border:1px solid #e7b54c;overflow:visible}
.bottom-ad>a{display:flex;align-items:center;gap:18px;min-height:82px;padding:10px 22px;border-radius:7px;color:#fff;background:radial-gradient(circle at 12% 50%,#204e68 0%,#102b43 32%,#08182a 78%);position:relative;overflow:hidden}
.bottom-ad>a:before{content:"";position:absolute;top:-80%;left:-35%;width:28%;height:260%;background:linear-gradient(90deg,transparent,#ffffff26,transparent);transform:rotate(28deg);animation:bottom-shine 6s ease-in-out infinite;pointer-events:none}
.bottom-ad-brand,.bottom-ad-message,.bottom-ad-cta{position:relative;z-index:1}
.bottom-ad-brand{display:flex;align-items:center;gap:8px;flex:none;color:#f3c564;font-size:19px;letter-spacing:.03em}
.bottom-ad .bottom-ad-brand img{display:block;width:44px;height:44px;object-fit:contain;border-radius:50%}
.bottom-ad-message{display:flex;flex-direction:column;line-height:1.35;flex:1;font-size:17px}
.bottom-ad-message small{font-size:11px;color:#cbd8e3;margin-top:3px}
.bottom-ad-cta{flex:none;background:#e7b54c;color:#0b1a2c;border-radius:6px;padding:9px 13px;font-size:13px;font-weight:850;white-space:nowrap}
.bottom-ad>a:hover .bottom-ad-cta{background:#f8ca68}
@keyframes bottom-shine{0%,60%,100%{left:-35%}85%{left:120%}}
@media(max-width:560px){.bottom-ad>a{gap:8px;min-height:68px;padding:8px 12px}.bottom-ad-brand{gap:5px;font-size:14px}.bottom-ad .bottom-ad-brand img{width:30px;height:30px}.bottom-ad-message{font-size:12px}.bottom-ad-message small{font-size:9px}.bottom-ad-cta{padding:6px;font-size:10px}}