:root{--ink:#071a2b;--navy:#0b2942;--blue:#1167d8;--cyan:#11b9c9;--sun:#ffca28;--paper:#f5f8fb;--white:#fff;--muted:#5e7182;--line:#dce6ee;--green:#086b4b;--radius:20px;--shadow:0 14px 35px rgba(7,26,43,.1)}
*{box-sizing:border-box}
html{scroll-behavior:smooth}
body{margin:0;background:var(--paper);color:var(--ink);font-family:Arial,"Segoe UI",sans-serif;line-height:1.6}
a{color:inherit;text-decoration:none}
img{max-width:100%}
.container{width:min(1120px,calc(100% - 32px));margin-inline:auto}
.skip{position:absolute;left:-9999px}.skip:focus{left:16px;top:16px;z-index:99;background:#fff;padding:10px}
.topline{background:var(--sun);color:#1d2933;font-size:.78rem;font-weight:800;text-align:center;padding:7px 12px}
header{background:rgba(7,26,43,.96);color:#fff;position:sticky;top:0;z-index:20;backdrop-filter:blur(12px)}
.nav{height:66px;display:flex;align-items:center;justify-content:space-between;gap:18px}
.brand{display:flex;align-items:center;gap:10px;font-weight:900;letter-spacing:-.3px}
.brand-mark{display:grid;place-items:center;width:40px;height:40px;border-radius:12px;background:url("logo.svg") center/contain no-repeat;color:transparent;font-size:0;flex:0 0 40px;filter:drop-shadow(0 5px 10px rgba(0,0,0,.2))}
header .brand>span:last-child{display:none}
.nav-links{display:flex;align-items:center;gap:24px;font-size:.9rem;font-weight:700}
.nav-links a:hover{color:var(--sun)}
.menu-btn{display:none;border:1px solid rgba(255,255,255,.3);background:transparent;color:#fff;border-radius:10px;padding:7px 10px;font-size:1.25rem}
.hero{overflow:hidden;background:linear-gradient(145deg,#071a2b 0%,#0b4262 60%,#087f8c 100%);color:#fff;padding:62px 0 76px;position:relative}
.hero:after{content:"";position:absolute;width:360px;height:360px;border:70px solid rgba(255,202,40,.1);border-radius:50%;right:-140px;top:-150px}
.visual-banner{max-width:820px;padding:32px 0 0}.visual-banner img{display:block;width:100%;height:auto;border-radius:18px;border:1px solid rgba(7,26,43,.12);box-shadow:var(--shadow)}
.hero-grid{display:grid;grid-template-columns:1.05fr .95fr;gap:52px;align-items:center;position:relative;z-index:1}
.eyebrow{display:inline-flex;align-items:center;gap:8px;border-radius:999px;padding:7px 12px;background:rgba(255,255,255,.1);border:1px solid rgba(255,255,255,.17);font-size:.78rem;font-weight:800;text-transform:uppercase;letter-spacing:.08em}
.pulse{width:8px;height:8px;border-radius:50%;background:#63efad;box-shadow:0 0 0 5px rgba(99,239,173,.15)}
h1{font-size:clamp(2.15rem,5vw,4.5rem);line-height:1.03;letter-spacing:-.055em;margin:20px 0 18px}
.hero h1 em{font-style:normal;color:var(--sun)}
.lede{font-size:1.1rem;color:#d9e9f3;max-width:620px}
.hero-actions{display:flex;gap:12px;flex-wrap:wrap;margin-top:28px}
.btn{display:inline-flex;justify-content:center;align-items:center;min-height:48px;padding:0 20px;border-radius:13px;font-weight:900;border:1px solid transparent}
.btn-primary{background:var(--sun);color:#142536;box-shadow:0 10px 25px rgba(255,202,40,.25)}
.btn-ghost{border-color:rgba(255,255,255,.35);color:#fff}
.trust-row{display:flex;gap:20px;flex-wrap:wrap;color:#c5d9e6;font-size:.78rem;margin-top:25px}
.trust-row span:before{content:"✓";color:#63efad;font-weight:900;margin-right:6px}
.result-card{background:#fff;color:var(--ink);border-radius:26px;padding:22px;box-shadow:0 24px 60px rgba(0,0,0,.25);transform:rotate(1deg)}
.card-head{display:flex;justify-content:space-between;gap:10px;align-items:start;border-bottom:1px solid var(--line);padding-bottom:15px}
.card-head h2{font-size:1.15rem;margin:0}.card-head p{margin:2px 0 0;color:var(--muted);font-size:.8rem}
.live-badge{background:#e7f8f1;color:var(--green);border-radius:999px;padding:5px 9px;font-size:.7rem;font-weight:900;white-space:nowrap}
.jackpot{margin:18px 0;background:linear-gradient(135deg,#fff8dd,#fff);border:1px solid #f5dc83;border-radius:16px;padding:15px;text-align:center}
.jackpot span{display:block;font-size:.75rem;color:#705a00;font-weight:800;text-transform:uppercase}.jackpot strong{font-size:1.25rem}
.number-row{display:grid;grid-template-columns:repeat(6,1fr);gap:6px;margin:14px 0}
.ball{aspect-ratio:1;display:grid;place-items:center;border-radius:50%;background:var(--navy);color:#fff;font-weight:900}
.result-note{background:#edf5fa;border-radius:12px;padding:11px;font-size:.75rem;color:var(--muted)}
.source-link{color:var(--blue);font-weight:900;text-decoration:underline;text-underline-offset:2px}
.results-shell{background:#fff;border:1px solid var(--line);border-radius:24px;overflow:hidden;box-shadow:var(--shadow)}.results-head{display:flex;align-items:center;justify-content:space-between;gap:15px;padding:22px 24px;background:var(--navy);color:#fff}.results-head h3{margin:0}.results-head p{margin:3px 0 0;color:#bcd1df;font-size:.8rem}.verified{white-space:nowrap;border-radius:999px;background:#e5f9ef;color:var(--green);padding:6px 10px;font-size:.72rem;font-weight:900}.results-table{width:100%;border-collapse:collapse}.results-table th,.results-table td{padding:13px 20px;border-bottom:1px solid var(--line);text-align:left}.results-table th{width:120px;background:#f7fafc;color:var(--muted);font-size:.8rem}.results-table td{font-weight:900;letter-spacing:.06em}.results-table tr:first-child td{color:#c53927;font-size:1.35rem}.results-foot{display:flex;justify-content:space-between;gap:15px;align-items:center;padding:16px 20px;background:#fff9df;font-size:.78rem;color:#655719}
#ket-qua-moi-nhat{padding-top:32px}
.draw-panel{border:4px solid var(--cyan);background:var(--white)}.draw-title{display:grid;grid-template-columns:120px 1fr 106px;min-height:62px;background:linear-gradient(135deg,#087d8b,var(--cyan));color:#fff}.draw-balls{display:flex;align-items:center;justify-content:center;gap:4px}.draw-ball{display:grid;place-items:center;width:31px;height:31px;border-radius:50%;background:radial-gradient(circle at 34% 28%,#fff9b8 0,var(--sun) 48%,#e79c00 100%);border:1px solid #b87800;color:var(--ink);font-size:.76rem;font-weight:900;box-shadow:0 2px 5px rgba(7,26,43,.28)}.draw-title h3{display:grid;place-items:center;margin:0;font-size:1.2rem;text-align:center;letter-spacing:.015em}.draw-date{display:grid;place-items:center;background:var(--sun);color:var(--ink);text-align:center;font-weight:900;font-size:1.1rem;line-height:1.1}.draw-date span{display:block;font-size:.72rem;margin-top:2px}.draw-action{display:grid;grid-template-columns:62px 1fr 28px;align-items:center;min-height:64px;background:var(--white);color:var(--ink)}.draw-down{display:grid;place-items:center;width:42px;height:42px;margin:auto;border-radius:50%;background:var(--cyan);color:var(--ink);border:5px solid #d9f7f8;font-size:1.55rem;font-weight:900}.draw-copy{text-align:center}.draw-copy strong{display:block;font-size:1rem;color:#075d69}.draw-copy small{display:block;font-size:.72rem;color:var(--muted)}.draw-arrow{font-size:2rem;color:#087d8b}.draw-source{border-top:1px solid #bde7e9;background:#f2fbfc;padding:7px 12px;text-align:center;font-size:.72rem;color:#385b64}
section{padding:72px 0}
.section-kicker{color:var(--blue);text-transform:uppercase;letter-spacing:.12em;font-size:.76rem;font-weight:900;margin-bottom:8px}
.section-title{font-size:clamp(1.75rem,4vw,2.8rem);line-height:1.15;letter-spacing:-.035em;margin:0 0 14px}
.section-intro{color:var(--muted);max-width:680px;margin:0 0 32px}
.steps,.feature-grid,.blog-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:18px}
.step,.feature,.post{background:#fff;border:1px solid var(--line);border-radius:var(--radius);padding:24px;box-shadow:0 8px 22px rgba(7,26,43,.05)}
.step-no{display:grid;place-items:center;width:40px;height:40px;background:var(--ink);color:var(--sun);border-radius:12px;font-weight:900}
.step h3,.feature h3,.post h3{line-height:1.25;margin:17px 0 8px}.step p,.feature p,.post p{color:var(--muted);font-size:.9rem;margin:0}
.checker-wrap{background:var(--ink);color:#fff;border-radius:28px;padding:34px;display:grid;grid-template-columns:.8fr 1.2fr;gap:32px;align-items:center}
.checker-wrap p{color:#c8d9e5}
.checker{background:#fff;border-radius:18px;padding:20px;color:var(--ink)}
.field-row{display:grid;grid-template-columns:1fr auto;gap:10px}
label{display:block;font-weight:800;font-size:.82rem;margin-bottom:7px}
input{width:100%;min-height:49px;border:1px solid #cbd9e3;border-radius:12px;padding:0 14px;font-size:1rem}
button{cursor:pointer;font:inherit}.checker .btn{background:var(--sun);border:0}
.checker-result{min-height:24px;margin-top:12px;font-size:.83rem;color:var(--muted)}
.alt{background:#e9f1f6}
.feature-icon{font-size:1.5rem}.feature a,.post a,.text-link{color:var(--blue);font-weight:900;display:inline-block;margin-top:14px}
.post{padding:0;overflow:hidden}.post[id]{scroll-margin-top:92px}.post-art{height:145px;padding:20px;background:linear-gradient(135deg,#0b2942,#117d89);color:#fff;position:relative}
.overview-grid{display:grid;grid-template-columns:1.35fr .65fr;gap:18px;margin:0 0 24px}.ai-overview,.contents-card{border-radius:var(--radius);padding:24px}.ai-overview{background:linear-gradient(135deg,#0B2942,#10496a);color:#fff;position:relative;overflow:hidden}.ai-overview:after{content:"AI";position:absolute;right:18px;bottom:-22px;color:rgba(255,202,40,.1);font-size:7rem;font-weight:900;line-height:1}.overview-label{display:inline-flex;align-items:center;gap:7px;background:var(--sun);color:var(--ink);border-radius:999px;padding:5px 10px;font-size:.7rem;font-weight:900;text-transform:uppercase;letter-spacing:.08em}.ai-overview h3,.contents-card h3{margin:14px 0 8px;line-height:1.25}.ai-overview p{margin:0;color:#d9e9f3;font-size:.9rem;position:relative;z-index:1}.overview-points{display:grid;grid-template-columns:repeat(3,1fr);gap:9px;margin-top:17px;position:relative;z-index:1}.overview-point{border:1px solid rgba(255,255,255,.16);background:rgba(255,255,255,.07);border-radius:12px;padding:11px;font-size:.76rem;color:#e8f2f7}.overview-point strong{display:block;color:var(--sun);font-size:.7rem;text-transform:uppercase;margin-bottom:3px}.contents-card{background:#fff;border:1px solid var(--line);box-shadow:0 8px 22px rgba(7,26,43,.05)}.contents-card ol{padding-left:22px;margin:12px 0 0}.contents-card li{padding:5px 0;color:var(--blue);font-size:.84rem}.contents-card a{font-weight:800}.contents-card a:hover{text-decoration:underline}
.author-card{display:flex;gap:18px;align-items:center;background:#fff;border:1px solid var(--line);border-radius:18px;padding:20px;margin-top:30px}.author-avatar{display:grid;place-items:center;width:58px;height:58px;flex:0 0 58px;border-radius:50%;background:linear-gradient(135deg,var(--sun),#ff9d00);color:var(--ink);font-size:1.1rem;font-weight:900}.author-card h3{margin:0 0 3px}.author-card p{margin:0;color:var(--muted);font-size:.84rem}.author-card a{color:var(--blue);font-weight:900;font-size:.8rem}
.trust-section{padding-top:0}.trust-panel{background:#fff;border:1px solid var(--line);border-radius:24px;padding:30px;box-shadow:var(--shadow)}.trust-head{display:flex;justify-content:space-between;gap:24px;align-items:end;margin-bottom:22px}.trust-head p{max-width:580px;margin:0;color:var(--muted);font-size:.9rem}.reviewed-date{white-space:nowrap;border-radius:999px;background:#e8f7f8;color:#075d69;padding:7px 11px;font-size:.74rem;font-weight:900}.trust-grid{display:grid;grid-template-columns:repeat(4,1fr);gap:12px}.trust-item{border:1px solid var(--line);border-radius:15px;padding:17px}.trust-item span{display:grid;place-items:center;width:35px;height:35px;border-radius:10px;background:var(--ink);color:var(--sun);font-weight:900}.trust-item h3{font-size:.92rem;margin:12px 0 5px}.trust-item p{font-size:.78rem;color:var(--muted);margin:0}.trust-item a{display:inline-block;color:var(--blue);font-size:.76rem;font-weight:900;margin-top:10px}.source-list{display:flex;gap:10px 20px;flex-wrap:wrap;border-top:1px solid var(--line);margin-top:20px;padding-top:17px;font-size:.76rem}.source-list strong{color:var(--ink)}.source-list a{color:var(--blue);font-weight:800}
.post-art.yellow{background:linear-gradient(135deg,#f7b500,#ffdf67);color:#192d3c}.post-art.blue{background:linear-gradient(135deg,#0f61cc,#24a6d8)}
.post-art b{font-size:2.6rem;position:absolute;right:18px;bottom:10px;opacity:.3}.post-body{padding:21px}.post-tag{font-size:.7rem;text-transform:uppercase;letter-spacing:.08em;color:var(--blue);font-weight:900}
.faq{max-width:820px}.faq details{background:#fff;border:1px solid var(--line);border-radius:14px;padding:17px 19px;margin-bottom:10px}.faq summary{font-weight:900;cursor:pointer}.faq p{color:var(--muted);font-size:.9rem}
.notice{background:#fff7d7;border-left:5px solid var(--sun);padding:18px;border-radius:10px;font-size:.87rem;margin-top:28px}
footer{background:#061725;color:#d4e2ec;padding:52px 0 28px}
.footer-grid{display:grid;grid-template-columns:1.6fr 1fr 1fr;gap:35px}.footer-grid p,.footer-grid a{font-size:.84rem;color:#aac0cf}.footer-grid a{display:block;margin:8px 0}.footer-grid h3{color:#fff;font-size:.9rem}
.fineprint{border-top:1px solid rgba(255,255,255,.1);margin-top:35px;padding-top:20px;font-size:.72rem;color:#7892a4}
.draw-panel{border-color:#0B2942}.draw-title{background:linear-gradient(135deg,#0B2942,#123e5e);color:var(--white)}.draw-date{background:var(--sun);color:#0B2942}.draw-down{background:#0B2942;color:var(--white);border-color:#dce6ee}.draw-copy strong,.draw-arrow{color:#0B2942}.draw-source{border-top-color:#dce6ee;background:#f5f8fb;color:#40586a}
.draw-title{background-size:180% 100%;animation:drawSheen 5s ease-in-out infinite}.draw-ball{animation:ballFloat 2.4s ease-in-out infinite}.draw-ball:nth-child(2){animation-delay:.18s}.draw-ball:nth-child(3){animation-delay:.36s}.draw-down{animation:downPulse 1.8s ease-in-out infinite}.draw-arrow{animation:arrowNudge 1.25s ease-in-out infinite}.draw-action{position:relative;overflow:hidden}.draw-action:after{content:"";position:absolute;inset:0 auto 0 -35%;width:22%;background:linear-gradient(90deg,transparent,rgba(255,202,40,.28),transparent);transform:skewX(-18deg);animation:actionSweep 4s ease-in-out infinite;pointer-events:none}
@keyframes drawSheen{0%,100%{background-position:0 50%}50%{background-position:100% 50%}}
@keyframes ballFloat{0%,100%{transform:translateY(0) rotate(0)}50%{transform:translateY(-5px) rotate(10deg)}}
@keyframes downPulse{0%,100%{transform:translateY(0);box-shadow:0 0 0 0 rgba(17,185,201,.25)}50%{transform:translateY(4px);box-shadow:0 0 0 7px rgba(17,185,201,0)}}
@keyframes arrowNudge{0%,100%{transform:translateX(0)}50%{transform:translateX(5px)}}
@keyframes actionSweep{0%,55%{left:-35%}85%,100%{left:115%}}
.article-hero{background:linear-gradient(135deg,var(--ink),#0c5f70);color:#fff;padding:55px 0}.article-hero h1{max-width:850px;font-size:clamp(2rem,5vw,3.7rem)}.article-hero p{max-width:700px;color:#d2e5ee}
.article{max-width:800px;margin:auto;background:#fff;padding:34px;border-radius:22px;box-shadow:var(--shadow)}.article h2{margin-top:34px;line-height:1.25}.article p,.article li{color:#40586a}.breadcrumb{font-size:.78rem;margin-bottom:18px;color:#b5ceda}.toc{background:#eef5f9;border-radius:15px;padding:18px}.toc a{display:block;color:var(--blue);font-weight:700;margin:5px 0}
.policy-meta{display:flex;gap:10px;flex-wrap:wrap;margin:0 0 24px}.policy-meta span{background:#edf5fa;color:#476377;border-radius:999px;padding:6px 10px;font-size:.75rem;font-weight:800}.contact-card{background:#eef5f9;border:1px solid var(--line);border-radius:16px;padding:20px;margin:24px 0}.contact-card a{color:var(--blue);font-weight:900}.legal-links{display:flex;flex-wrap:wrap;gap:8px 16px;margin-top:25px;padding-top:20px;border-top:1px solid var(--line)}.legal-links a{color:var(--blue);font-size:.8rem;font-weight:800}
@media(max-width:800px){.nav-links{display:none;position:absolute;top:66px;left:0;right:0;background:#071a2b;padding:18px 16px;flex-direction:column;align-items:flex-start}.nav-links.open{display:flex}.menu-btn{display:block}.hero{padding:44px 0 60px}.hero-grid,.checker-wrap,.overview-grid{grid-template-columns:1fr}.result-card{transform:none}.steps,.feature-grid,.blog-grid{grid-template-columns:1fr}.feature-grid{gap:12px}.trust-grid{grid-template-columns:1fr 1fr}.trust-head{align-items:flex-start;flex-direction:column}.footer-grid{grid-template-columns:1fr 1fr}.footer-grid>div:first-child{grid-column:1/-1}section{padding:55px 0}}
@media(max-width:480px){.container{width:min(100% - 22px,1120px)}.hero-actions .btn{width:100%}.result-card{padding:17px}.checker-wrap{padding:22px 16px}.field-row{grid-template-columns:1fr}.checker .btn{width:100%}.footer-grid{grid-template-columns:1fr}.article{padding:22px 17px;border-radius:16px}.number-row{gap:4px}.ball{font-size:.8rem}.results-head,.results-foot{align-items:flex-start;flex-direction:column}.results-table th,.results-table td{padding:11px 12px}.results-table th{width:84px}.results-table td{font-size:.82rem;letter-spacing:.03em}.draw-title{grid-template-columns:86px 1fr 72px}.draw-ball{width:24px;height:24px;font-size:.65rem}.draw-title h3{font-size:.86rem;padding:0 4px}.draw-date{font-size:.86rem}.draw-action{grid-template-columns:52px 1fr 22px}.draw-copy strong{font-size:.82rem}.draw-copy small{font-size:.64rem}.draw-down{width:36px;height:36px;font-size:1.25rem}.draw-source{font-size:.64rem}.ai-overview,.contents-card{padding:19px 17px}.overview-points,.trust-grid{grid-template-columns:1fr}.overview-point{padding:9px 11px}.trust-panel{padding:22px 17px}.reviewed-date{white-space:normal}}
@media(prefers-reduced-motion:reduce){html{scroll-behavior:auto}.draw-title,.draw-ball,.draw-down,.draw-arrow,.draw-action:after{animation:none}}