/* roulang page: index */
:root{
  --bg:#05070d;
  --bg2:#0a1220;
  --bg3:#0d1a2e;
  --panel:rgba(12,24,42,.72);
  --panel-solid:#0b1526;
  --line:rgba(56,189,248,.16);
  --line-strong:rgba(56,189,248,.36);
  --cyan:#06b6d4;
  --cyan2:#38bdf8;
  --lime:#a3e635;
  --pink:#f43f5e;
  --gold:#fbbf24;
  --text:#f8fafc;
  --muted:#93a5bd;
  --muted-2:#6b7f99;
  --radius:20px;
  --radius-lg:28px;
  --radius-sm:12px;
  --shadow:0 18px 50px rgba(2,8,23,.55);
  --glow:0 0 30px rgba(6,182,212,.28);
  --grad:linear-gradient(120deg,#06b6d4 0%,#38bdf8 48%,#a3e635 100%);
  --maxw:1180px;
}
*,*::before,*::after{box-sizing:border-box;}
html{-webkit-text-size-adjust:100%;scroll-behavior:smooth;}
body{
  margin:0;
  padding:0;
  font-family:'Be Vietnam Pro',system-ui,-apple-system,'Segoe UI',Roboto,sans-serif;
  font-size:16px;
  line-height:1.62;
  color:var(--text);
  background:
    radial-gradient(900px 520px at 12% -8%, rgba(6,182,212,.18), transparent 62%),
    radial-gradient(760px 460px at 92% 4%, rgba(163,230,53,.10), transparent 60%),
    radial-gradient(900px 600px at 50% 108%, rgba(56,189,248,.12), transparent 62%),
    var(--bg);
  overflow-x:hidden;
}
img{max-width:100%;height:auto;display:block;}
a{color:inherit;text-decoration:none;}
button{font-family:inherit;}
h1,h2,h3,h4,h5{margin:0 0 .6em;line-height:1.24;font-weight:800;letter-spacing:-.4px;}
p{margin:0 0 1em;}
ul{margin:0;padding:0;list-style:none;}
input,textarea,select{font-family:inherit;font-size:1rem;}
:focus-visible{outline:2px solid var(--cyan2);outline-offset:3px;border-radius:6px;}

.container{
  width:100%;
  max-width:var(--maxw);
  margin:0 auto;
  padding:0 20px;
}
.section{padding:76px 0;position:relative;}
.section--tight{padding:54px 0;}
.section--alt{background:linear-gradient(180deg,rgba(10,18,32,.9),rgba(5,7,13,.4));border-top:1px solid var(--line);border-bottom:1px solid var(--line);}
.section--panel{background:linear-gradient(180deg,rgba(13,26,46,.55),rgba(5,7,13,0));}

.eyebrow{
  display:inline-flex;align-items:center;gap:8px;
  font-size:.72rem;font-weight:700;letter-spacing:.16em;text-transform:uppercase;
  color:var(--cyan2);
  background:rgba(6,182,212,.10);
  border:1px solid var(--line-strong);
  border-radius:999px;
  padding:6px 14px;
  margin-bottom:16px;
}
.sec-head{max-width:760px;margin-bottom:38px;}
.sec-head--left{text-align:left;}
.sec-head h2{font-size:clamp(1.5rem,3.1vw,2.15rem);}
.sec-head p{color:var(--muted);font-size:1.02rem;margin:0;}

.btn{
  display:inline-flex;align-items:center;justify-content:center;gap:10px;
  padding:14px 26px;
  border-radius:999px;
  font-weight:700;font-size:.96rem;
  border:1px solid transparent;
  cursor:pointer;
  transition:transform .2s ease,box-shadow .25s ease,background .25s ease,color .2s ease;
  white-space:nowrap;
}
.btn--primary{
  background:var(--grad);
  color:#04121b;
  box-shadow:0 10px 30px rgba(6,182,212,.32);
}
.btn--primary:hover{transform:translateY(-2px);box-shadow:0 16px 40px rgba(6,182,212,.48);}
.btn--primary:active{transform:translateY(0) scale(.98);}
.btn--ghost{
  background:rgba(56,189,248,.06);
  border-color:var(--line-strong);
  color:var(--cyan2);
}
.btn--ghost:hover{background:rgba(56,189,248,.14);color:#e6f7ff;transform:translateY(-2px);}
.btn--dark{
  background:rgba(255,255,255,.06);
  border-color:rgba(255,255,255,.14);
  color:var(--text);
}
.btn--dark:hover{background:rgba(255,255,255,.12);}
.btn--lime{background:linear-gradient(120deg,#a3e635,#4ade80);color:#06210f;box-shadow:0 10px 28px rgba(163,230,53,.26);}
.btn--lime:hover{transform:translateY(-2px);box-shadow:0 16px 38px rgba(163,230,53,.4);}
.btn--sm{padding:10px 18px;font-size:.85rem;}

.tag{
  display:inline-block;
  font-size:.68rem;font-weight:700;letter-spacing:.1em;text-transform:uppercase;
  padding:5px 11px;border-radius:999px;
  border:1px solid var(--line-strong);
  color:var(--cyan2);
  background:rgba(6,182,212,.09);
}
.tag--hot{color:#ffd9e0;border-color:rgba(244,63,94,.5);background:rgba(244,63,94,.16);}
.tag--vip{color:#fff2cf;border-color:rgba(251,191,36,.5);background:rgba(251,191,36,.16);}
.tag--lime{color:#e6ffbf;border-color:rgba(163,230,53,.45);background:rgba(163,230,53,.14);}

/* HEADER */
.site-header{
  position:sticky;top:0;z-index:60;
  background:rgba(5,7,13,.82);
  backdrop-filter:blur(16px);
  -webkit-backdrop-filter:blur(16px);
  border-bottom:1px solid var(--line);
}
.nav-row{display:flex;align-items:center;justify-content:space-between;gap:16px;height:72px;}
.brand{display:flex;align-items:center;gap:10px;flex-shrink:0;}
.brand__mark{
  width:38px;height:38px;border-radius:12px;
  display:grid;place-items:center;
  background:var(--grad);
  color:#04121b;font-weight:800;font-size:1.05rem;
  box-shadow:0 8px 22px rgba(6,182,212,.34);
}
.brand__text{display:flex;flex-direction:column;line-height:1.15;}
.brand__name{font-weight:800;font-size:.98rem;letter-spacing:-.2px;}
.brand__sub{font-size:.66rem;letter-spacing:.16em;text-transform:uppercase;color:var(--muted-2);}

.main-nav{display:flex;align-items:center;gap:4px;}
.main-nav a{
  position:relative;
  padding:9px 14px;border-radius:999px;
  font-size:.9rem;font-weight:600;color:var(--muted);
  transition:color .2s ease,background .2s ease;
}
.main-nav a:hover{color:var(--text);background:rgba(56,189,248,.09);}
.main-nav a.is-active{color:#04121b;background:var(--grad);}
.nav-actions{display:flex;align-items:center;gap:10px;}
.nav-login{
  font-size:.9rem;font-weight:600;color:var(--cyan2);
  border:1px solid var(--line-strong);border-radius:999px;padding:9px 18px;
  transition:background .2s ease,color .2s ease;
}
.nav-login:hover{background:rgba(56,189,248,.12);color:#e6f7ff;}
.nav-signup{
  font-size:.9rem;font-weight:800;color:#04121b;
  background:var(--grad);border-radius:999px;padding:10px 20px;
  box-shadow:0 8px 22px rgba(6,182,212,.32);
  transition:transform .2s ease,box-shadow .25s ease;
}
.nav-signup:hover{transform:translateY(-2px);box-shadow:0 14px 32px rgba(6,182,212,.46);}
.nav-toggle{
  display:none;background:rgba(56,189,248,.08);border:1px solid var(--line-strong);
  color:var(--cyan2);width:42px;height:42px;border-radius:12px;font-size:1.05rem;cursor:pointer;
}
.mobile-drawer{
  display:none;border-top:1px solid var(--line);
  background:rgba(8,14,26,.97);
  padding:14px 20px 22px;
}
.mobile-drawer.is-open{display:block;}
.mobile-drawer a{
  display:block;padding:13px 14px;border-radius:12px;
  color:var(--muted);font-weight:600;font-size:.95rem;
}
.mobile-drawer a.is-active{color:#04121b;background:var(--grad);}
.mobile-drawer a:hover{background:rgba(56,189,248,.10);color:var(--text);}
.drawer-actions{display:flex;gap:10px;margin-top:14px;}
.drawer-actions .btn{flex:1;}

/* HERO */
.hero{position:relative;overflow:hidden;border-bottom:1px solid var(--line);}
.hero__bg{position:absolute;inset:0;}
.hero__bg img{width:100%;height:100%;object-fit:cover;opacity:.42;filter:saturate(1.1);}
.hero__bg::after{
  content:"";position:absolute;inset:0;
  background:
    linear-gradient(180deg,rgba(5,7,13,.72) 0%,rgba(5,7,13,.86) 62%,rgba(5,7,13,.98) 100%),
    radial-gradient(700px 420px at 20% 30%, rgba(6,182,212,.30), transparent 68%);
}
.hero__inner{position:relative;z-index:2;padding:78px 0 66px;}
.hero__grid{display:grid;grid-template-columns:1.35fr .85fr;gap:44px;align-items:center;}
.hero h1{
  font-size:clamp(1.75rem,4.1vw,2.95rem);
  margin-bottom:18px;
  text-shadow:0 6px 30px rgba(0,0,0,.5);
}
.hero h1 .hl{
  background:var(--grad);
  -webkit-background-clip:text;background-clip:text;
  -webkit-text-fill-color:transparent;color:transparent;
}
.hero__lead{color:#cbd8ea;font-size:1.05rem;max-width:660px;margin-bottom:26px;}
.hero__cta{display:flex;flex-wrap:wrap;gap:14px;align-items:center;margin-bottom:26px;}
.hero__points{display:flex;flex-wrap:wrap;gap:10px 22px;}
.hero__points li{display:flex;align-items:center;gap:8px;font-size:.88rem;color:var(--muted);}
.hero__points i{color:var(--lime);}

.video-stage{
  position:relative;border-radius:var(--radius-lg);overflow:hidden;
  border:1px solid var(--line-strong);
  box-shadow:var(--shadow),var(--glow);
  aspect-ratio:16/10;
}
.video-stage img{width:100%;height:100%;object-fit:cover;}
.video-stage::after{
  content:"";position:absolute;inset:0;
  background:linear-gradient(180deg,rgba(5,7,13,.10),rgba(5,7,13,.82));
}
.play-btn{
  position:absolute;z-index:3;left:50%;top:50%;transform:translate(-50%,-50%);
  width:76px;height:76px;border-radius:50%;
  display:grid;place-items:center;
  background:rgba(6,182,212,.22);
  border:2px solid rgba(56,189,248,.65);
  color:#e6f7ff;font-size:1.5rem;cursor:pointer;
  backdrop-filter:blur(6px);
  box-shadow:0 0 0 0 rgba(56,189,248,.5);
  animation:pulseRing 2.6s infinite;
  transition:transform .25s ease,background .25s ease;
}
.play-btn:hover{transform:translate(-50%,-50%) scale(1.08);background:rgba(6,182,212,.38);}
@keyframes pulseRing{
  0%{box-shadow:0 0 0 0 rgba(56,189,248,.45);}
  70%{box-shadow:0 0 0 22px rgba(56,189,248,0);}
  100%{box-shadow:0 0 0 0 rgba(56,189,248,0);}
}
.video-stage__cap{
  position:absolute;z-index:3;left:20px;right:20px;bottom:18px;
  font-size:.86rem;color:#cfe3f5;font-weight:600;
}
.hero__stats{
  display:grid;grid-template-columns:repeat(3,1fr);gap:12px;margin-top:18px;
}
.hero__stat{
  background:rgba(11,21,38,.78);border:1px solid var(--line);
  border-radius:14px;padding:12px 14px;text-align:center;
}
.hero__stat b{display:block;font-size:1.12rem;background:var(--grad);-webkit-background-clip:text;background-clip:text;-webkit-text-fill-color:transparent;}
.hero__stat span{font-size:.72rem;color:var(--muted-2);letter-spacing:.05em;}

/* TRUST STRIP */
.trust-strip{border-bottom:1px solid var(--line);background:rgba(8,14,26,.6);}
.trust-grid{display:grid;grid-template-columns:repeat(5,1fr);gap:1px;background:var(--line);}
.trust-item{
  background:rgba(8,14,26,.92);padding:22px 18px;
  display:flex;gap:12px;align-items:flex-start;
}
.trust-item i{color:var(--cyan2);font-size:1.15rem;margin-top:3px;}
.trust-item b{display:block;font-size:.88rem;font-weight:700;margin-bottom:3px;}
.trust-item span{font-size:.78rem;color:var(--muted-2);line-height:1.5;}

/* HIGHLIGHT ASYMMETRIC */
.hl-grid{display:grid;grid-template-columns:1.15fr 1fr;gap:22px;}
.hl-main{
  background:linear-gradient(150deg,rgba(6,182,212,.16),rgba(11,21,38,.9) 55%);
  border:1px solid var(--line-strong);border-radius:var(--radius-lg);
  padding:34px;display:flex;flex-direction:column;justify-content:space-between;
  min-height:300px;
}
.hl-main h3{font-size:1.5rem;margin-bottom:12px;}
.hl-main p{color:#c4d4e8;margin-bottom:20px;}
.hl-side{display:grid;gap:22px;}
.hl-card{
  background:var(--panel);border:1px solid var(--line);border-radius:var(--radius);
  padding:24px;transition:border-color .25s ease,transform .25s ease;
}
.hl-card:hover{border-color:var(--line-strong);transform:translateY(-3px);}
.hl-card i{color:var(--lime);font-size:1.25rem;margin-bottom:10px;display:block;}
.hl-card h4{font-size:1.05rem;margin-bottom:6px;}
.hl-card p{color:var(--muted);font-size:.9rem;margin:0;}

/* AUDIENCE */
.aud-grid{display:grid;grid-template-columns:repeat(4,1fr);gap:18px;}
.aud-card{
  background:var(--panel);border:1px solid var(--line);border-radius:var(--radius);
  padding:26px 22px;position:relative;overflow:hidden;
  transition:transform .25s ease,border-color .25s ease;
}
.aud-card:hover{transform:translateY(-4px);border-color:var(--line-strong);}
.aud-card::before{
  content:"";position:absolute;top:0;left:0;right:0;height:3px;background:var(--grad);opacity:.85;
}
.aud-card i{font-size:1.4rem;color:var(--cyan2);margin-bottom:14px;display:block;}
.aud-card h3{font-size:1.02rem;margin-bottom:8px;}
.aud-card p{font-size:.88rem;color:var(--muted);margin:0;}

/* FIT / NOT FIT */
.fit-grid{display:grid;grid-template-columns:1fr 1fr;gap:22px;}
.fit-col{border-radius:var(--radius-lg);padding:30px;border:1px solid var(--line);}
.fit-col--yes{background:linear-gradient(160deg,rgba(163,230,53,.12),rgba(11,21,38,.9));border-color:rgba(163,230,53,.32);}
.fit-col--no{background:linear-gradient(160deg,rgba(244,63,94,.10),rgba(11,21,38,.9));border-color:rgba(244,63,94,.28);}
.fit-col h3{font-size:1.2rem;display:flex;align-items:center;gap:10px;margin-bottom:16px;}
.fit-col--yes h3 i{color:var(--lime);}
.fit-col--no h3 i{color:var(--pink);}
.fit-list li{display:flex;gap:11px;padding:11px 0;border-bottom:1px dashed rgba(255,255,255,.08);font-size:.92rem;color:#cfdcec;}
.fit-list li:last-child{border-bottom:0;}
.fit-list i{margin-top:5px;font-size:.8rem;}
.fit-col--yes .fit-list i{color:var(--lime);}
.fit-col--no .fit-list i{color:var(--pink);}

/* MATCH PLAN */
.plan-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:20px;}
.plan-card{
  background:var(--panel-solid);border:1px solid var(--line);border-radius:var(--radius-lg);
  padding:30px 26px;display:flex;flex-direction:column;
  transition:transform .25s ease,border-color .25s ease,box-shadow .25s ease;
}
.plan-card:hover{transform:translateY(-5px);border-color:var(--line-strong);box-shadow:var(--shadow);}
.plan-card--pick{
  border-color:rgba(6,182,212,.5);
  background:linear-gradient(165deg,rgba(6,182,212,.16),rgba(11,21,38,.95));
  box-shadow:var(--glow);
  position:relative;
}
.plan-card--pick::after{
  content:"KHUYÊN DÙNG";position:absolute;top:-11px;right:22px;
  font-size:.62rem;font-weight:800;letter-spacing:.12em;
  background:var(--grad);color:#04121b;padding:5px 12px;border-radius:999px;
}
.plan-card h3{font-size:1.15rem;margin-bottom:6px;}
.plan-card .plan-os{font-size:.8rem;color:var(--muted-2);letter-spacing:.06em;text-transform:uppercase;margin-bottom:16px;}
.plan-specs{list-style:none;margin:0 0 22px;flex:1;}
.plan-specs li{display:flex;gap:9px;font-size:.88rem;color:var(--muted);padding:7px 0;}
.plan-specs i{color:var(--cyan2);font-size:.78rem;margin-top:5px;}
.plan-card .btn{width:100%;}

/* GATEWAY */
.gate-grid{display:grid;grid-template-columns:repeat(4,1fr);gap:18px;}
.gate-card{
  display:block;padding:26px 22px;border-radius:var(--radius);
  background:linear-gradient(160deg,rgba(13,26,46,.95),rgba(8,14,26,.85));
  border:1px solid var(--line);
  transition:border-color .25s ease,transform .25s ease,background .3s ease;
}
.gate-card:hover{border-color:var(--line-strong);transform:translateY(-4px);background:linear-gradient(160deg,rgba(6,182,212,.18),rgba(8,14,26,.9));}
.gate-card i{font-size:1.35rem;color:var(--cyan2);margin-bottom:14px;display:block;}
.gate-card h3{font-size:1rem;margin-bottom:6px;}
.gate-card p{font-size:.85rem;color:var(--muted);margin:0 0 12px;}
.gate-card .gate-meta{font-size:.78rem;color:var(--lime);font-weight:700;}

/* GUIDE */
.guide-grid{display:grid;grid-template-columns:.95fr 1.05fr;gap:44px;align-items:start;}
.guide-media{border-radius:var(--radius-lg);overflow:hidden;border:1px solid var(--line-strong);box-shadow:var(--shadow);position:sticky;top:96px;}
.guide-media img{width:100%;aspect-ratio:4/5;object-fit:cover;}
.guide-step{padding:24px 0;border-bottom:1px solid var(--line);}
.guide-step:last-child{border-bottom:0;padding-bottom:0;}
.guide-step h3{font-size:1.1rem;display:flex;gap:12px;align-items:flex-start;margin-bottom:10px;}
.guide-step .num{
  flex-shrink:0;width:32px;height:32px;border-radius:10px;
  display:grid;place-items:center;font-size:.85rem;font-weight:800;
  background:rgba(6,182,212,.16);border:1px solid var(--line-strong);color:var(--cyan2);
}
.guide-step p{color:var(--muted);font-size:.93rem;margin:0 0 12px;}
.chip-row{display:flex;flex-wrap:wrap;gap:8px;}
.chip{
  font-size:.76rem;font-weight:600;color:#cfe3f5;
  background:rgba(56,189,248,.09);border:1px solid var(--line);
  padding:6px 12px;border-radius:999px;
}

/* STEPS */
.steps-rail{display:grid;grid-template-columns:repeat(3,1fr);gap:20px;counter-reset:step;}
.step-item{
  position:relative;padding:28px 24px 26px;
  background:var(--panel);border:1px solid var(--line);border-radius:var(--radius);
}
.step-item::before{
  counter-increment:step;content:"0" counter(step);
  font-size:2.1rem;font-weight:800;line-height:1;
  background:var(--grad);-webkit-background-clip:text;background-clip:text;-webkit-text-fill-color:transparent;
  display:block;margin-bottom:14px;
}
.step-item h3{font-size:1.02rem;margin-bottom:8px;}
.step-item p{font-size:.88rem;color:var(--muted);margin:0;}

/* ROOMS */
.room-rail{display:grid;grid-template-columns:repeat(3,1fr);gap:22px;}
.room-card{
  border-radius:var(--radius-lg);overflow:hidden;border:1px solid var(--line);
  background:var(--panel-solid);position:relative;
  transition:transform .3s ease,border-color .3s ease,box-shadow .3s ease;
}
.room-card:hover{transform:translateY(-6px);border-color:var(--line-strong);box-shadow:var(--shadow);}
.room-card__media{position:relative;aspect-ratio:16/10;overflow:hidden;}
.room-card__media img{width:100%;height:100%;object-fit:cover;transition:transform .5s ease;}
.room-card:hover .room-card__media img{transform:scale(1.06);}
.room-card__media::after{content:"";position:absolute;inset:0;background:linear-gradient(180deg,rgba(5,7,13,0),rgba(5,7,13,.85));}
.room-card__tag{position:absolute;top:14px;left:14px;z-index:2;}
.room-card__body{padding:20px 20px 24px;}
.room-card__body h3{font-size:1.05rem;margin-bottom:8px;}
.room-card__body p{font-size:.86rem;color:var(--muted);margin:0 0 14px;}
.room-card__meta{display:flex;justify-content:space-between;font-size:.78rem;color:var(--muted-2);border-top:1px solid var(--line);padding-top:12px;}
.room-card__meta b{color:var(--lime);}

/* DATA BADGES */
.data-band{
  border-radius:var(--radius-lg);border:1px solid var(--line-strong);
  background:linear-gradient(120deg,rgba(6,182,212,.14),rgba(163,230,53,.08) 70%,rgba(11,21,38,.9));
  padding:38px 32px;display:grid;grid-template-columns:repeat(4,1fr);gap:26px;
}
.data-band div{text-align:left;}
.data-band b{
  display:block;font-size:clamp(1.5rem,3vw,2.05rem);font-weight:800;
  background:var(--grad);-webkit-background-clip:text;background-clip:text;-webkit-text-fill-color:transparent;
  margin-bottom:6px;
}
.data-band span{font-size:.85rem;color:var(--muted);}

/* GIFTCODE */
.gift-wrap{
  display:grid;grid-template-columns:1.1fr .9fr;gap:0;
  border-radius:var(--radius-lg);overflow:hidden;border:1px solid var(--line-strong);
}
.gift-copy{background:linear-gradient(150deg,rgba(11,21,38,.98),rgba(6,182,212,.14));padding:40px 36px;}
.gift-copy h2{font-size:clamp(1.35rem,2.6vw,1.85rem);}
.gift-copy p{color:#c6d6e8;font-size:.95rem;}
.gift-copy ul{margin:18px 0 24px;}
.gift-copy li{display:flex;gap:10px;font-size:.9rem;color:var(--muted);padding:6px 0;}
.gift-copy li i{color:var(--lime);margin-top:5px;font-size:.78rem;}
.gift-visual{position:relative;min-height:280px;}
.gift-visual img{width:100%;height:100%;object-fit:cover;position:absolute;inset:0;}
.gift-visual::after{content:"";position:absolute;inset:0;background:linear-gradient(90deg,rgba(11,21,38,.96),rgba(11,21,38,.15));}

/* REVIEWS */
.review-wall{columns:2;column-gap:20px;}
.review{
  break-inside:avoid;margin-bottom:20px;
  background:var(--panel);border:1px solid var(--line);border-radius:var(--radius);
  padding:24px;transition:border-color .25s ease;
}
.review:hover{border-color:var(--line-strong);}
.review__stars{color:var(--gold);font-size:.82rem;letter-spacing:2px;margin-bottom:10px;}
.review p{font-size:.92rem;color:#cfdcec;margin-bottom:16px;}
.review__who{display:flex;align-items:center;gap:12px;}
.review__avatar{
  width:38px;height:38px;border-radius:50%;display:grid;place-items:center;
  background:var(--grad);color:#04121b;font-weight:800;font-size:.85rem;
}
.review__who b{display:block;font-size:.88rem;}
.review__who span{font-size:.76rem;color:var(--muted-2);}

/* CHANNELS */
.chan-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:20px;}
.chan-card{
  border-radius:var(--radius);border:1px solid var(--line);
  background:linear-gradient(160deg,rgba(13,26,46,.95),rgba(8,14,26,.8));
  padding:28px 24px;display:flex;flex-direction:column;
  transition:transform .25s ease,border-color .25s ease;
}
.chan-card:hover{transform:translateY(-4px);border-color:var(--line-strong);}
.chan-card i{font-size:1.3rem;color:var(--cyan2);margin-bottom:14px;}
.chan-card h3{font-size:1.06rem;margin-bottom:8px;}
.chan-card p{font-size:.87rem;color:var(--muted);flex:1;margin-bottom:18px;}
.chan-link{font-size:.86rem;font-weight:700;color:var(--lime);display:inline-flex;align-items:center;gap:8px;}
.chan-link:hover{gap:12px;}

/* NEWS */
.news-layout{display:grid;grid-template-columns:1.55fr .85fr;gap:34px;align-items:start;}
.news-list{display:grid;gap:18px;}
.news-card{
  display:grid;grid-template-columns:150px 1fr;gap:20px;align-items:center;
  background:var(--panel);border:1px solid var(--line);border-radius:var(--radius);
  padding:16px;transition:border-color .25s ease,transform .25s ease;
}
.news-card:hover{border-color:var(--line-strong);transform:translateX(4px);}
.news-card__thumb{border-radius:14px;overflow:hidden;aspect-ratio:4/3;}
.news-card__thumb img{width:100%;height:100%;object-fit:cover;}
.news-card__meta{font-size:.75rem;color:var(--cyan2);letter-spacing:.06em;text-transform:uppercase;margin-bottom:6px;display:flex;gap:12px;flex-wrap:wrap;}
.news-card h3{font-size:1rem;margin-bottom:6px;}
.news-card p{font-size:.85rem;color:var(--muted);margin:0;}
.side-panel{
  background:var(--panel-solid);border:1px solid var(--line);border-radius:var(--radius-lg);
  padding:26px 22px;
}
.side-panel h3{font-size:1rem;margin-bottom:16px;display:flex;align-items:center;gap:9px;}
.side-panel h3 i{color:var(--lime);}
.side-list li{padding:12px 0;border-bottom:1px dashed rgba(255,255,255,.08);}
.side-list li:last-child{border-bottom:0;}
.side-list a{font-size:.88rem;font-weight:600;color:#cfdcec;display:block;margin-bottom:4px;}
.side-list a:hover{color:var(--cyan2);}
.side-list span{font-size:.74rem;color:var(--muted-2);}
.empty-note{color:var(--muted-2);font-size:.9rem;padding:24px 0;}

/* SAFETY */
.safety-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:20px;}
.safety-card{
  border-left:3px solid var(--cyan);padding:22px 22px;
  background:linear-gradient(120deg,rgba(13,26,46,.85),rgba(8,14,26,.5));
  border-radius:0 var(--radius) var(--radius) 0;
}
.safety-card h3{font-size:1rem;margin-bottom:8px;}
.safety-card p{font-size:.87rem;color:var(--muted);margin:0;}

/* FINAL CTA */
.final-cta{
  border-radius:var(--radius-lg);
  border:1px solid var(--line-strong);
  background:
    radial-gradient(600px 320px at 85% 10%, rgba(163,230,53,.18), transparent 65%),
    linear-gradient(140deg,rgba(6,182,212,.22),rgba(11,21,38,.96));
  padding:52px 44px;text-align:center;
}
.final-cta h2{font-size:clamp(1.45rem,3vw,2.05rem);}
.final-cta p{color:#c6d6e8;max-width:680px;margin:0 auto 26px;}
.final-cta .btn-row{display:flex;gap:14px;justify-content:center;flex-wrap:wrap;}

/* FOOTER */
.site-footer{
  border-top:1px solid var(--line);
  background:linear-gradient(180deg,rgba(8,14,26,.9),rgba(3,5,10,1));
  padding:58px 0 26px;margin-top:20px;
}
.footer-grid{display:grid;grid-template-columns:1.5fr 1fr 1fr 1.2fr;gap:34px;}
.footer-col h4{font-size:.82rem;letter-spacing:.14em;text-transform:uppercase;color:var(--cyan2);margin-bottom:16px;}
.footer-col p{font-size:.87rem;color:var(--muted);}
.footer-col li{padding:6px 0;}
.footer-col li a{font-size:.87rem;color:var(--muted);}
.footer-col li a:hover{color:var(--cyan2);}
.footer-pay{display:flex;flex-wrap:wrap;gap:8px;margin-top:14px;}
.pay-badge{
  font-size:.72rem;font-weight:700;color:#cfe3f5;
  border:1px solid var(--line);background:rgba(56,189,248,.08);
  padding:6px 12px;border-radius:8px;
}
.footer-bottom{
  margin-top:38px;padding-top:20px;border-top:1px solid var(--line);
  display:flex;justify-content:space-between;gap:16px;flex-wrap:wrap;
  font-size:.79rem;color:var(--muted-2);
}
.age-badge{
  display:inline-flex;align-items:center;justify-content:center;
  width:34px;height:34px;border-radius:50%;
  border:1px solid var(--line-strong);color:var(--cyan2);
  font-size:.72rem;font-weight:800;
}

/* FAB */
.fab{
  position:fixed;left:16px;bottom:96px;z-index:50;
  display:inline-flex;align-items:center;gap:10px;
  padding:12px 18px;border-radius:999px;
  background:rgba(7,7,13,.82);
  backdrop-filter:blur(12px);-webkit-backdrop-filter:blur(12px);
  border:1px solid transparent;
  background-image:linear-gradient(rgba(7,7,13,.86),rgba(7,7,13,.86)),linear-gradient(120deg,#a3e635,#06b6d4);
  background-origin:border-box;background-clip:padding-box,border-box;
  color:#e6f7ff;font-size:.83rem;font-weight:700;
  box-shadow:0 0 22px rgba(6,182,212,.45);
  opacity:.82;
  transition:opacity .25s ease,transform .25s ease,box-shadow .25s ease;
  animation:fabFloat 3.4s ease-in-out infinite;
}
.fab i{color:var(--lime);font-size:1rem;}
.fab:hover{opacity:1;transform:scale(1.06);box-shadow:0 0 34px rgba(6,182,212,.7);}
.fab:active{transform:scale(.95) translateY(2px);}
.fab__dot{
  position:absolute;top:6px;right:10px;width:9px;height:9px;border-radius:50%;
  background:var(--pink);box-shadow:0 0 0 2px rgba(5,7,13,.9);
  animation:dotPulse 1.4s infinite;
}
@keyframes fabFloat{0%,100%{transform:translateY(0);}50%{transform:translateY(-5px);}}
@keyframes dotPulse{0%,100%{opacity:1;}50%{opacity:.35;}}

/* STICKY BOTTOM BAR */
.sticky-bar{
  position:fixed;left:0;right:0;bottom:0;z-index:55;
  display:none;align-items:center;gap:12px;
  padding:10px 16px calc(10px + env(safe-area-inset-bottom));
  background:rgba(6,10,20,.94);
  backdrop-filter:blur(14px);
  border-top:1px solid var(--line-strong);
}
.sticky-bar p{font-size:.78rem;color:var(--muted);margin:0;flex:1;line-height:1.35;}
.sticky-bar .btn{padding:11px 18px;font-size:.82rem;}

/* MODAL */
.modal{
  position:fixed;inset:0;z-index:90;display:none;
  align-items:center;justify-content:center;padding:20px;
  background:rgba(3,5,10,.86);backdrop-filter:blur(6px);
}
.modal.is-open{display:flex;}
.modal__box{
  width:100%;max-width:760px;border-radius:var(--radius-lg);overflow:hidden;
  border:1px solid var(--line-strong);background:var(--panel-solid);
  box-shadow:var(--shadow);
}
.modal__media{position:relative;aspect-ratio:16/9;}
.modal__media img{width:100%;height:100%;object-fit:cover;}
.modal__media::after{content:"";position:absolute;inset:0;background:linear-gradient(180deg,rgba(5,7,13,.1),rgba(5,7,13,.85));}
.modal__cap{position:absolute;left:22px;right:22px;bottom:18px;z-index:2;font-size:.9rem;color:#cfe3f5;font-weight:600;}
.modal__body{padding:24px 26px 28px;}
.modal__body h3{font-size:1.1rem;margin-bottom:8px;}
.modal__body p{font-size:.9rem;color:var(--muted);margin:0;}
.modal__close{
  position:absolute;top:14px;right:14px;z-index:3;
  width:38px;height:38px;border-radius:50%;
  background:rgba(5,7,13,.75);border:1px solid var(--line-strong);
  color:#e6f7ff;cursor:pointer;font-size:.95rem;
}
.modal__close:hover{background:rgba(6,182,212,.3);}

/* RESPONSIVE */
@media (max-width:1024px){
  .hero__grid{grid-template-columns:1fr;gap:34px;}
  .trust-grid{grid-template-columns:repeat(3,1fr);}
  .hl-grid{grid-template-columns:1fr;}
  .aud-grid{grid-template-columns:repeat(2,1fr);}
  .plan-grid{grid-template-columns:1fr;}
  .gate-grid{grid-template-columns:repeat(2,1fr);}
  .guide-grid{grid-template-columns:1fr;gap:30px;}
  .guide-media{position:static;}
  .guide-media img{aspect-ratio:16/9;}
  .room-rail{grid-template-columns:repeat(2,1fr);}
  .data-band{grid-template-columns:repeat(2,1fr);}
  .gift-wrap{grid-template-columns:1fr;}
  .gift-visual{min-height:220px;}
  .review-wall{columns:1;}
  .chan-grid{grid-template-columns:1fr;}
  .news-layout{grid-template-columns:1fr;}
  .safety-grid{grid-template-columns:1fr;}
  .footer-grid{grid-template-columns:1fr 1fr;gap:26px;}
}
@media (max-width:900px){
  .main-nav{display:none;}
  .nav-toggle{display:grid;place-items:center;}
  .nav-actions{display:none;}
  .brand__sub{display:none;}
}
@media (max-width:768px){
  .section{padding:58px 0;}
  .steps-rail{grid-template-columns:1fr;}
  .fit-grid{grid-template-columns:1fr;}
  .news-card{grid-template-columns:1fr;}
  .news-card__thumb{aspect-ratio:16/9;}
  .sticky-bar{display:flex;}
  .fab{bottom:88px;padding:11px 15px;font-size:.78rem;}
  .final-cta{padding:38px 22px;}
  .hero__stats{grid-template-columns:1fr 1fr;}
}
@media (max-width:520px){
  .container{padding:0 16px;}
  .trust-grid{grid-template-columns:1fr 1fr;}
  .aud-grid{grid-template-columns:1fr;}
  .gate-grid{grid-template-columns:1fr;}
  .room-rail{grid-template-columns:1fr;}
  .data-band{grid-template-columns:1fr;padding:28px 22px;}
  .footer-grid{grid-template-columns:1fr;}
  .hero__inner{padding:52px 0 46px;}
  .hero__cta .btn{width:100%;}
  .hero__stat b{font-size:1rem;}
  .sticky-bar p{font-size:.72rem;}
}

/* roulang page: article */
:root{
  --bg:#05070d;
  --bg2:#0a1220;
  --bg3:#0d1a2e;
  --panel:rgba(12,24,42,.72);
  --panel-solid:#0b1526;
  --line:rgba(56,189,248,.16);
  --line-strong:rgba(56,189,248,.36);
  --cyan:#06b6d4;
  --cyan2:#38bdf8;
  --lime:#a3e635;
  --pink:#f43f5e;
  --gold:#fbbf24;
  --text:#f8fafc;
  --muted:#93a5bd;
  --muted-2:#6b7f99;
  --radius:20px;
  --radius-lg:28px;
  --radius-sm:12px;
  --shadow:0 18px 50px rgba(2,8,23,.55);
  --glow:0 0 30px rgba(6,182,212,.28);
  --grad:linear-gradient(120deg,#06b6d4 0%,#38bdf8 48%,#a3e635 100%);
  --maxw:1180px;
}
*,*::before,*::after{box-sizing:border-box;}
html{-webkit-text-size-adjust:100%;scroll-behavior:smooth;}
body{
  margin:0;
  padding:0;
  font-family:'Be Vietnam Pro',system-ui,-apple-system,'Segoe UI',Roboto,sans-serif;
  font-size:16px;
  line-height:1.65;
  color:var(--text);
  background:
    radial-gradient(900px 520px at 12% -8%, rgba(6,182,212,.18), transparent 62%),
    radial-gradient(760px 460px at 92% 4%, rgba(163,230,53,.10), transparent 60%),
    radial-gradient(900px 600px at 50% 108%, rgba(56,189,248,.12), transparent 62%),
    var(--bg);
  overflow-x:hidden;
}
img{max-width:100%;height:auto;display:block;}
a{color:inherit;text-decoration:none;}
ul,ol{margin:0;padding:0;list-style:none;}
button{font-family:inherit;}
input,textarea,select{font-family:inherit;font-size:1rem;}
h1,h2,h3,h4{margin:0 0 .55em;line-height:1.24;font-weight:800;letter-spacing:-.02em;}
p{margin:0 0 1em;}
p:last-child{margin-bottom:0;}
:focus-visible{outline:2px solid var(--lime);outline-offset:3px;border-radius:8px;}
.container{width:100%;max-width:var(--maxw);margin:0 auto;padding:0 20px;}
.section{padding:76px 0;position:relative;}
.section--tight{padding:54px 0;}
.section--alt{background:linear-gradient(180deg,rgba(10,18,32,.9),rgba(5,7,13,.4));border-top:1px solid var(--line);border-bottom:1px solid var(--line);}
.section--panel{background:linear-gradient(180deg,rgba(13,26,46,.55),rgba(5,7,13,0));}
.eyebrow{
  display:inline-flex;align-items:center;gap:8px;
  font-size:.72rem;font-weight:700;letter-spacing:.16em;text-transform:uppercase;
  color:var(--cyan2);
  background:rgba(6,182,212,.10);
  border:1px solid var(--line-strong);
  border-radius:999px;
  padding:6px 14px;
  margin-bottom:16px;
}
.section-head{max-width:760px;margin-bottom:38px;}
.section-head h2{font-size:clamp(1.5rem,3vw,2.05rem);}
.section-head p{color:var(--muted);margin:0;}
.btn{
  display:inline-flex;align-items:center;justify-content:center;gap:10px;
  padding:14px 26px;
  border-radius:999px;
  font-weight:700;font-size:.96rem;
  border:1px solid transparent;
  cursor:pointer;
  transition:transform .2s ease,box-shadow .25s ease,background .25s ease,color .2s ease;
  white-space:nowrap;
}
.btn--primary{background:var(--grad);color:#04121b;box-shadow:0 10px 30px rgba(6,182,212,.32);}
.btn--primary:hover{transform:translateY(-2px);box-shadow:0 16px 40px rgba(6,182,212,.48);}
.btn--primary:active{transform:translateY(0) scale(.98);}
.btn--ghost{background:rgba(56,189,248,.06);border-color:var(--line-strong);color:var(--cyan2);}
.btn--ghost:hover{background:rgba(56,189,248,.14);color:#e6f7ff;transform:translateY(-2px);}
.btn--dark{background:rgba(255,255,255,.06);border-color:rgba(255,255,255,.14);color:var(--text);}
.btn--dark:hover{background:rgba(255,255,255,.12);}
.btn--lime{background:linear-gradient(120deg,#a3e635,#4ade80);color:#06210f;box-shadow:0 10px 28px rgba(163,230,53,.26);}
.btn--lime:hover{transform:translateY(-2px);box-shadow:0 16px 38px rgba(163,230,53,.4);}
.btn--sm{padding:10px 18px;font-size:.85rem;}
.btn--block{width:100%;}
.tag{
  display:inline-block;
  font-size:.68rem;font-weight:700;letter-spacing:.1em;text-transform:uppercase;
  padding:5px 11px;border-radius:999px;
  border:1px solid var(--line-strong);
  color:var(--cyan2);
  background:rgba(6,182,212,.09);
}
.tag--hot{color:#ffd9e0;border-color:rgba(244,63,94,.5);background:rgba(244,63,94,.16);}
.tag--vip{color:#fff2cf;border-color:rgba(251,191,36,.5);background:rgba(251,191,36,.16);}
.tag--lime{color:#e6ffbf;border-color:rgba(163,230,53,.45);background:rgba(163,230,53,.14);}
/* HEADER */
.site-header{
  position:sticky;top:0;z-index:60;
  background:rgba(5,7,13,.82);
  backdrop-filter:blur(16px);
  -webkit-backdrop-filter:blur(16px);
  border-bottom:1px solid var(--line);
}
.nav-row{display:flex;align-items:center;justify-content:space-between;gap:16px;height:72px;}
.brand{display:flex;align-items:center;gap:10px;flex-shrink:0;}
.brand__mark{
  width:38px;height:38px;border-radius:12px;
  display:grid;place-items:center;
  background:var(--grad);
  color:#04121b;font-weight:800;font-size:1.05rem;
  box-shadow:0 8px 22px rgba(6,182,212,.34);
}
.brand__text{display:flex;flex-direction:column;line-height:1.15;}
.brand__name{font-weight:800;font-size:.98rem;letter-spacing:-.2px;}
.brand__sub{font-size:.66rem;letter-spacing:.16em;text-transform:uppercase;color:var(--muted-2);}
.main-nav{display:flex;align-items:center;gap:4px;}
.main-nav a{
  position:relative;
  padding:9px 14px;border-radius:999px;
  font-size:.9rem;font-weight:600;color:var(--muted);
  transition:color .2s ease,background .2s ease;
}
.main-nav a:hover{color:var(--text);background:rgba(56,189,248,.09);}
.main-nav a.is-active{color:#04121b;background:var(--grad);}
.nav-actions{display:flex;align-items:center;gap:10px;}
.nav-login{
  font-size:.9rem;font-weight:600;color:var(--cyan2);
  border:1px solid var(--line-strong);border-radius:999px;padding:9px 18px;
  transition:background .2s ease,color .2s ease;
}
.nav-login:hover{background:rgba(56,189,248,.12);color:#e6f7ff;}
.nav-signup{
  font-size:.9rem;font-weight:800;color:#04121b;
  background:var(--grad);border-radius:999px;padding:10px 20px;
  box-shadow:0 8px 22px rgba(6,182,212,.32);
  transition:transform .2s ease,box-shadow .25s ease;
}
.nav-signup:hover{transform:translateY(-2px);box-shadow:0 14px 32px rgba(6,182,212,.46);}
.nav-toggle{
  display:none;background:rgba(56,189,248,.08);border:1px solid var(--line-strong);
  color:var(--cyan2);width:42px;height:42px;border-radius:12px;font-size:1.05rem;cursor:pointer;
}
.mobile-drawer{
  display:none;border-top:1px solid var(--line);
  background:rgba(8,14,26,.97);
  padding:14px 20px 22px;
}
.mobile-drawer.is-open{display:block;}
.mobile-drawer a{
  display:block;padding:13px 14px;border-radius:12px;
  color:var(--muted);font-weight:600;font-size:.95rem;
}
.mobile-drawer a.is-active{color:#04121b;background:var(--grad);}
.mobile-drawer a:hover{background:rgba(56,189,248,.10);color:var(--text);}
.drawer-actions{display:flex;gap:10px;margin-top:14px;}
.drawer-actions .btn{flex:1;}
/* ARTICLE HERO */
.article-hero{position:relative;overflow:hidden;border-bottom:1px solid var(--line);}
.article-hero__bg{position:absolute;inset:0;z-index:0;}
.article-hero__bg img{width:100%;height:100%;object-fit:cover;opacity:.30;filter:saturate(1.05);}
.article-hero::after{
  content:"";position:absolute;inset:0;z-index:1;
  background:linear-gradient(115deg,rgba(5,7,13,.96) 0%,rgba(5,7,13,.80) 46%,rgba(5,7,13,.55) 100%);
}
.article-hero__inner{position:relative;z-index:2;padding:60px 0 64px;}
.article-hero__grid{display:grid;grid-template-columns:minmax(0,1.45fr) minmax(0,1fr);gap:44px;align-items:start;}
.crumbs{display:flex;flex-wrap:wrap;align-items:center;gap:8px;font-size:.82rem;color:var(--muted-2);margin-bottom:18px;}
.crumbs a{color:var(--muted);transition:color .2s ease;}
.crumbs a:hover{color:var(--cyan2);}
.crumbs span.sep{opacity:.5;}
.article-title{
  font-size:clamp(1.75rem,4vw,2.7rem);
  line-height:1.18;
  margin:0 0 18px;
}
.article-lead{color:var(--muted);font-size:1.02rem;max-width:640px;margin:0 0 22px;}
.article-meta{display:flex;flex-wrap:wrap;gap:10px;align-items:center;}
.meta-chip{
  display:inline-flex;align-items:center;gap:8px;
  font-size:.8rem;font-weight:600;color:var(--muted);
  background:rgba(56,189,248,.07);
  border:1px solid var(--line);
  border-radius:999px;padding:7px 14px;
}
.meta-chip i{color:var(--cyan2);font-size:.78rem;}
.hero-panel{
  background:var(--panel);
  border:1px solid var(--line-strong);
  border-radius:var(--radius-lg);
  padding:26px 24px;
  box-shadow:var(--shadow),var(--glow);
  backdrop-filter:blur(14px);
  -webkit-backdrop-filter:blur(14px);
}
.hero-panel h3{font-size:1rem;letter-spacing:.02em;margin-bottom:16px;color:#eaf6ff;}
.fact-list{display:grid;gap:14px;}
.fact-item{display:flex;gap:12px;align-items:flex-start;}
.fact-item i{
  flex:0 0 34px;width:34px;height:34px;border-radius:10px;
  display:grid;place-items:center;font-size:.85rem;
  background:rgba(6,182,212,.12);color:var(--cyan2);border:1px solid var(--line-strong);
}
.fact-item strong{display:block;font-size:.92rem;font-weight:700;}
.fact-item span{font-size:.83rem;color:var(--muted);line-height:1.5;}
.hero-cta{display:flex;flex-wrap:wrap;gap:12px;margin-top:22px;}
/* ARTICLE BODY */
.article-layout{display:grid;grid-template-columns:minmax(0,1fr) 300px;gap:44px;align-items:start;}
.prose{font-size:1.02rem;color:#dbe6f3;}
.prose h2{font-size:clamp(1.35rem,2.6vw,1.75rem);margin:1.6em 0 .6em;color:#fff;}
.prose h3{font-size:1.16rem;margin:1.4em 0 .5em;color:#eaf6ff;}
.prose h2:first-child,.prose h3:first-child{margin-top:0;}
.prose p{margin:0 0 1.05em;color:#cfdcec;}
.prose ul,.prose ol{margin:0 0 1.2em;padding-left:0;}
.prose ul li,.prose ol li{
  position:relative;padding-left:26px;margin-bottom:.6em;color:#cfdcec;
}
.prose ul li::before{
  content:"";position:absolute;left:6px;top:.62em;width:8px;height:8px;border-radius:50%;
  background:var(--grad);
}
.prose ol{counter-reset:prose-ol;}
.prose ol li{counter-increment:prose-ol;}
.prose ol li::before{
  content:counter(prose-ol);
  position:absolute;left:0;top:.1em;width:19px;height:19px;border-radius:50%;
  display:grid;place-items:center;font-size:.66rem;font-weight:800;color:#04121b;background:var(--grad);
}
.prose a{color:var(--cyan2);border-bottom:1px dashed rgba(56,189,248,.5);transition:color .2s ease;}
.prose a:hover{color:var(--lime);border-bottom-color:rgba(163,230,53,.6);}
.prose img{border-radius:var(--radius);margin:1.4em 0;border:1px solid var(--line);}
.prose blockquote{
  margin:1.4em 0;padding:18px 22px;border-left:3px solid var(--cyan);
  background:rgba(6,182,212,.07);border-radius:0 var(--radius-sm) var(--radius-sm) 0;color:#e6f2ff;
}
.prose table{width:100%;border-collapse:collapse;margin:1.4em 0;font-size:.92rem;}
.prose th,.prose td{padding:12px 14px;border:1px solid var(--line);text-align:left;}
.prose th{background:rgba(56,189,248,.09);color:#eaf6ff;font-weight:700;}
.prose strong{color:#fff;}
.empty-state{
  border:1px dashed var(--line-strong);border-radius:var(--radius);
  padding:34px 26px;background:var(--panel);text-align:left;
}
.empty-state h2{font-size:1.25rem;margin-bottom:10px;}
.empty-state p{color:var(--muted);margin-bottom:18px;}
.aside-card{
  background:var(--panel);border:1px solid var(--line);border-radius:var(--radius);
  padding:22px 20px;margin-bottom:20px;
}
.aside-card h4{font-size:.95rem;margin-bottom:14px;color:#eaf6ff;}
.aside-card p{font-size:.86rem;color:var(--muted);margin-bottom:14px;}
.aside-list li{
  font-size:.86rem;color:var(--muted);padding:9px 0;border-bottom:1px solid rgba(56,189,248,.10);
  display:flex;gap:10px;align-items:flex-start;
}
.aside-list li:last-child{border-bottom:0;}
.aside-list i{color:var(--lime);font-size:.72rem;margin-top:.42em;}
.aside-card--accent{
  background:linear-gradient(160deg,rgba(6,182,212,.16),rgba(163,230,53,.08));
  border-color:var(--line-strong);
}
/* FEATURES */
.grid-3{display:grid;grid-template-columns:repeat(3,minmax(0,1fr));gap:22px;}
.grid-4{display:grid;grid-template-columns:repeat(4,minmax(0,1fr));gap:20px;}
.grid-2{display:grid;grid-template-columns:repeat(2,minmax(0,1fr));gap:24px;}
.feature-card{
  background:var(--panel);border:1px solid var(--line);border-radius:var(--radius);
  padding:26px 24px;transition:transform .25s ease,border-color .25s ease,box-shadow .3s ease;
}
.feature-card:hover{transform:translateY(-4px);border-color:var(--line-strong);box-shadow:0 18px 40px rgba(2,8,23,.5);}
.feature-card i{
  width:44px;height:44px;border-radius:14px;display:grid;place-items:center;
  font-size:1.05rem;margin-bottom:16px;
  background:rgba(6,182,212,.12);color:var(--cyan2);border:1px solid var(--line-strong);
}
.feature-card h3{font-size:1.05rem;margin-bottom:8px;}
.feature-card p{font-size:.9rem;color:var(--muted);margin:0;}
.media-card{
  border:1px solid var(--line);border-radius:var(--radius-lg);overflow:hidden;
  background:var(--panel-solid);
  transition:transform .25s ease,border-color .25s ease;
}
.media-card:hover{transform:translateY(-4px);border-color:var(--line-strong);}
.media-card img{width:100%;height:190px;object-fit:cover;}
.media-card__body{padding:22px 22px 26px;}
.media-card__body h3{font-size:1.08rem;margin-bottom:10px;}
.media-card__body p{font-size:.9rem;color:var(--muted);margin-bottom:16px;}
/* DEVICE GUIDE */
.device-card{
  background:var(--panel);border:1px solid var(--line);border-radius:var(--radius-lg);
  padding:28px 26px;
}
.device-card__head{display:flex;align-items:center;gap:14px;margin-bottom:20px;}
.device-card__head i{
  width:46px;height:46px;border-radius:14px;display:grid;place-items:center;font-size:1.15rem;
  background:var(--grad);color:#04121b;
}
.device-card__head h3{margin:0;font-size:1.15rem;}
.device-card__head span{display:block;font-size:.78rem;color:var(--muted-2);letter-spacing:.06em;text-transform:uppercase;}
.step-list{counter-reset:step;}
.step-list li{
  counter-increment:step;position:relative;padding:0 0 18px 46px;font-size:.92rem;color:var(--muted);
}
.step-list li::before{
  content:counter(step);
  position:absolute;left:0;top:0;width:30px;height:30px;border-radius:10px;
  display:grid;place-items:center;font-weight:800;font-size:.82rem;
  background:rgba(6,182,212,.14);color:var(--cyan2);border:1px solid var(--line-strong);
}
.step-list li:last-child{padding-bottom:0;}
.step-list strong{color:#eaf6ff;display:block;margin-bottom:2px;font-weight:700;}
/* SPEC TABLE */
.spec-wrap{overflow-x:auto;border:1px solid var(--line);border-radius:var(--radius);background:var(--panel);}
.spec-table{width:100%;border-collapse:collapse;min-width:560px;}
.spec-table th,.spec-table td{padding:15px 18px;text-align:left;font-size:.9rem;border-bottom:1px solid rgba(56,189,248,.12);}
.spec-table thead th{
  background:rgba(56,189,248,.10);color:#eaf6ff;font-weight:700;
  font-size:.78rem;letter-spacing:.1em;text-transform:uppercase;
}
.spec-table tbody tr:last-child td{border-bottom:0;}
.spec-table tbody tr:hover{background:rgba(56,189,248,.05);}
.spec-table td:first-child{color:#eaf6ff;font-weight:600;}
.spec-table td{color:var(--muted);}
/* PAYMENT */
.pay-grid{display:grid;grid-template-columns:repeat(4,minmax(0,1fr));gap:18px;}
.pay-card{
  border:1px solid var(--line);border-radius:var(--radius);padding:22px 20px;
  background:var(--panel);transition:border-color .25s ease,transform .25s ease;
}
.pay-card:hover{border-color:var(--line-strong);transform:translateY(-3px);}
.pay-card i{font-size:1.3rem;color:var(--lime);margin-bottom:12px;display:block;}
.pay-card h4{font-size:.98rem;margin-bottom:6px;}
.pay-card p{font-size:.84rem;color:var(--muted);margin:0;}
/* TIPS */
.tips-list{display:grid;gap:16px;}
.tip-row{
  display:flex;gap:18px;align-items:flex-start;
  padding:20px 22px;border-radius:var(--radius);
  border:1px solid var(--line);background:rgba(11,21,38,.6);
  transition:border-color .25s ease,background .25s ease;
}
.tip-row:hover{border-color:var(--line-strong);background:rgba(13,26,46,.75);}
.tip-row__no{
  flex:0 0 40px;width:40px;height:40px;border-radius:12px;display:grid;place-items:center;
  font-weight:800;font-size:.95rem;color:#04121b;background:var(--grad);
}
.tip-row h3{font-size:1rem;margin-bottom:6px;}
.tip-row p{font-size:.9rem;color:var(--muted);margin:0;}
/* FAQ */
.faq-list{display:grid;gap:14px;max-width:900px;}
.faq-item{
  border:1px solid var(--line);border-radius:var(--radius);background:var(--panel);
  overflow:hidden;transition:border-color .25s ease;
}
.faq-item[open]{border-color:var(--line-strong);}
.faq-item summary{
  list-style:none;cursor:pointer;padding:20px 24px;
  display:flex;align-items:center;justify-content:space-between;gap:16px;
  font-weight:700;font-size:.98rem;color:#eaf6ff;
}
.faq-item summary::-webkit-details-marker{display:none;}
.faq-item summary i{color:var(--cyan2);transition:transform .25s ease;font-size:.85rem;}
.faq-item[open] summary i{transform:rotate(45deg);}
.faq-item__body{padding:0 24px 22px;color:var(--muted);font-size:.92rem;}
/* RELATED */
.related-grid{display:grid;grid-template-columns:repeat(4,minmax(0,1fr));gap:20px;}
.related-card{
  display:block;border:1px solid var(--line);border-radius:var(--radius);
  background:var(--panel);overflow:hidden;
  transition:transform .25s ease,border-color .25s ease;
}
.related-card:hover{transform:translateY(-4px);border-color:var(--line-strong);}
.related-card img{width:100%;height:150px;object-fit:cover;}
.related-card__body{padding:18px 18px 22px;}
.related-card__body h3{font-size:.95rem;margin-bottom:8px;line-height:1.4;}
.related-card__body span{font-size:.78rem;color:var(--muted-2);}
/* CTA BAND */
.cta-band{
  position:relative;overflow:hidden;border-radius:var(--radius-lg);
  border:1px solid var(--line-strong);
  padding:46px 40px;
  background:linear-gradient(120deg,rgba(6,182,212,.20),rgba(163,230,53,.10)),var(--panel-solid);
  box-shadow:var(--shadow);
}
.cta-band__grid{display:grid;grid-template-columns:minmax(0,1.5fr) minmax(0,1fr);gap:34px;align-items:center;}
.cta-band h2{font-size:clamp(1.4rem,3vw,2rem);margin-bottom:12px;}
.cta-band p{color:#cfe0f0;margin:0 0 20px;}
.cta-actions{display:flex;flex-wrap:wrap;gap:12px;}
.cta-media img{border-radius:var(--radius);border:1px solid var(--line-strong);}
/* FOOTER */
.site-footer{
  border-top:1px solid var(--line);
  background:linear-gradient(180deg,rgba(8,14,26,.6),rgba(3,5,10,.95));
  padding:60px 0 26px;margin-top:0;
}
.footer-grid{display:grid;grid-template-columns:1.5fr 1fr 1fr 1.2fr;gap:34px;}
.footer-col h4{font-size:.82rem;letter-spacing:.14em;text-transform:uppercase;color:var(--cyan2);margin-bottom:16px;}
.footer-col p{font-size:.86rem;color:var(--muted);margin-bottom:14px;}
.footer-col ul li{margin-bottom:10px;}
.footer-col ul a{font-size:.88rem;color:var(--muted);transition:color .2s ease,padding-left .2s ease;}
.footer-col ul a:hover{color:var(--cyan2);padding-left:4px;}
.footer-pay{display:flex;flex-wrap:wrap;gap:8px;margin-top:6px;}
.pay-badge{
  font-size:.72rem;font-weight:700;letter-spacing:.06em;
  padding:6px 12px;border-radius:999px;
  border:1px solid var(--line-strong);color:var(--cyan2);background:rgba(6,182,212,.08);
}
.age-badge{
  display:inline-flex;align-items:center;justify-content:center;
  width:44px;height:44px;border-radius:50%;
  border:2px solid rgba(244,63,94,.55);color:#ffd9e0;font-weight:800;font-size:.82rem;
  background:rgba(244,63,94,.12);margin-top:6px;
}
.footer-bottom{
  margin-top:38px;padding-top:20px;border-top:1px solid var(--line);
  display:flex;flex-wrap:wrap;gap:12px;justify-content:space-between;
  font-size:.8rem;color:var(--muted-2);
}
/* FAB */
.fab{
  position:fixed;left:16px;bottom:96px;z-index:50;
  display:inline-flex;align-items:center;gap:10px;
  padding:12px 18px 12px 14px;min-height:56px;
  border-radius:999px;
  border:1.5px solid transparent;
  background:
    linear-gradient(rgba(7,7,13,.86),rgba(7,7,13,.86)) padding-box,
    linear-gradient(120deg,#06b6d4,#a3e635) border-box;
  box-shadow:0 0 20px rgba(6,182,212,.45);
  backdrop-filter:blur(14px);-webkit-backdrop-filter:blur(14px);
  opacity:.78;
  transition:transform .22s ease,opacity .22s ease,box-shadow .25s ease;
  animation:fabPulse 3.2s ease-in-out infinite;
}
.fab:hover{opacity:1;transform:scale(1.06);box-shadow:0 0 32px rgba(6,182,212,.7);}
.fab:active{transform:scale(.95);}
.fab__icon{
  width:32px;height:32px;border-radius:50%;display:grid;place-items:center;
  background:var(--grad);color:#04121b;font-size:.88rem;
}
.fab:hover .fab__icon{animation:fabSpin .6s ease;}
.fab__text{font-size:.86rem;font-weight:700;color:#eaf6ff;}
.fab__dot{
  position:absolute;top:-2px;right:2px;width:11px;height:11px;border-radius:50%;
  background:#ef4444;box-shadow:0 0 0 3px rgba(5,7,13,.9);
  animation:dotBlink 1.6s ease-in-out infinite;
}
@keyframes fabPulse{0%,100%{box-shadow:0 0 18px rgba(6,182,212,.38);}50%{box-shadow:0 0 30px rgba(163,230,53,.5);}}
@keyframes fabSpin{from{transform:rotate(0);}to{transform:rotate(360deg);}}
@keyframes dotBlink{0%,100%{opacity:1;}50%{opacity:.35;}}
/* RESPONSIVE */
@media screen and (max-width:1024px){
  .article-hero__grid{grid-template-columns:1fr;gap:32px;}
  .article-layout{grid-template-columns:1fr;}
  .grid-4,.related-grid,.pay-grid{grid-template-columns:repeat(2,minmax(0,1fr));}
  .grid-3{grid-template-columns:repeat(2,minmax(0,1fr));}
  .footer-grid{grid-template-columns:repeat(2,minmax(0,1fr));gap:28px;}
  .cta-band__grid{grid-template-columns:1fr;}
}
@media screen and (max-width:860px){
  .main-nav{display:none;}
  .nav-toggle{display:grid;place-items:center;}
  .nav-actions{gap:8px;}
  .nav-login{padding:8px 14px;font-size:.82rem;}
  .nav-signup{padding:9px 15px;font-size:.82rem;}
}
@media screen and (max-width:768px){
  .section{padding:56px 0;}
  .section--tight{padding:42px 0;}
  .grid-2{grid-template-columns:1fr;}
  .article-hero__inner{padding:40px 0 46px;}
  .cta-band{padding:32px 22px;}
  .spec-table th,.spec-table td{padding:12px 14px;}
}
@media screen and (max-width:520px){
  .grid-3,.grid-4,.related-grid,.pay-grid,.footer-grid{grid-template-columns:1fr;}
  .brand__name{font-size:.88rem;}
  .brand__sub{font-size:.6rem;}
  .hero-cta .btn,.cta-actions .btn{width:100%;}
  .article-meta{gap:8px;}
  .meta-chip{font-size:.75rem;padding:6px 11px;}
  .fab{bottom:88px;padding:10px 14px 10px 12px;}
  .fab__text{display:none;}
  .tip-row{flex-direction:column;gap:12px;}
}

/* roulang page: category2 */
:root{
  --bg:#05070d;
  --bg2:#0a1220;
  --bg3:#0d1a2e;
  --panel:rgba(12,24,42,.72);
  --panel-solid:#0b1526;
  --line:rgba(56,189,248,.16);
  --line-strong:rgba(56,189,248,.36);
  --cyan:#06b6d4;
  --cyan2:#38bdf8;
  --lime:#a3e635;
  --pink:#f43f5e;
  --gold:#fbbf24;
  --text:#f8fafc;
  --muted:#93a5bd;
  --muted-2:#6b7f99;
  --radius:20px;
  --radius-lg:28px;
  --radius-sm:12px;
  --shadow:0 18px 50px rgba(2,8,23,.55);
  --glow:0 0 30px rgba(6,182,212,.28);
  --grad:linear-gradient(120deg,#06b6d4 0%,#38bdf8 48%,#a3e635 100%);
  --maxw:1180px;
}
*,*::before,*::after{box-sizing:border-box;}
html{-webkit-text-size-adjust:100%;scroll-behavior:smooth;}
body{
  margin:0;
  padding:0 0 78px;
  font-family:'Be Vietnam Pro',system-ui,-apple-system,'Segoe UI',Roboto,sans-serif;
  font-size:16px;
  line-height:1.62;
  color:var(--text);
  background:
    radial-gradient(900px 520px at 12% -8%, rgba(6,182,212,.18), transparent 62%),
    radial-gradient(760px 460px at 92% 4%, rgba(163,230,53,.10), transparent 60%),
    radial-gradient(900px 600px at 50% 108%, rgba(56,189,248,.12), transparent 62%),
    var(--bg);
  overflow-x:hidden;
}
img{max-width:100%;height:auto;display:block;}
a{color:inherit;text-decoration:none;}
ul,ol{margin:0;padding:0;list-style:none;}
h1,h2,h3,h4,h5,p{margin:0;}
button{font-family:inherit;}
input,textarea,select{font-family:inherit;font-size:1rem;}
:focus-visible{outline:2px solid var(--lime);outline-offset:3px;}
.container{
  width:100%;
  max-width:var(--maxw);
  margin:0 auto;
  padding:0 20px;
}
.section{padding:76px 0;position:relative;}
.section--tight{padding:54px 0;}
.section--alt{background:linear-gradient(180deg,rgba(10,18,32,.9),rgba(5,7,13,.4));border-top:1px solid var(--line);border-bottom:1px solid var(--line);}
.section--panel{background:linear-gradient(180deg,rgba(13,26,46,.55),rgba(5,7,13,0));}
.eyebrow{
  display:inline-flex;align-items:center;gap:8px;
  font-size:.72rem;font-weight:700;letter-spacing:.16em;text-transform:uppercase;
  color:var(--cyan2);
  background:rgba(6,182,212,.10);
  border:1px solid var(--line-strong);
  border-radius:999px;
  padding:6px 14px;
  margin-bottom:16px;
}
.section-head{
  display:flex;align-items:flex-end;justify-content:space-between;gap:36px;
  margin-bottom:38px;
}
.section-head h2{font-size:clamp(1.5rem,3vw,2.1rem);line-height:1.25;font-weight:800;letter-spacing:-.5px;max-width:640px;}
.section-head__note{max-width:380px;color:var(--muted);font-size:.95rem;line-height:1.6;text-align:left;}
.section-lead{color:var(--muted);font-size:1.02rem;max-width:760px;text-align:left;}
h2{font-size:clamp(1.5rem,3vw,2.1rem);line-height:1.25;font-weight:800;letter-spacing:-.5px;}
h3{font-size:1.12rem;font-weight:700;line-height:1.35;}
.btn{
  display:inline-flex;align-items:center;justify-content:center;gap:10px;
  padding:14px 26px;
  border-radius:999px;
  font-weight:700;font-size:.96rem;
  border:1px solid transparent;
  cursor:pointer;
  transition:transform .2s ease,box-shadow .25s ease,background .25s ease,color .2s ease;
  white-space:nowrap;
}
.btn--primary{background:var(--grad);color:#04121b;box-shadow:0 10px 30px rgba(6,182,212,.32);}
.btn--primary:hover{transform:translateY(-2px);box-shadow:0 16px 40px rgba(6,182,212,.48);}
.btn--primary:active{transform:translateY(0) scale(.98);}
.btn--ghost{background:rgba(56,189,248,.06);border-color:var(--line-strong);color:var(--cyan2);}
.btn--ghost:hover{background:rgba(56,189,248,.14);color:#e6f7ff;transform:translateY(-2px);}
.btn--lime{background:linear-gradient(120deg,#a3e635,#4ade80);color:#06210f;box-shadow:0 10px 28px rgba(163,230,53,.26);}
.btn--lime:hover{transform:translateY(-2px);box-shadow:0 16px 38px rgba(163,230,53,.4);}
.btn--dark{background:rgba(255,255,255,.06);border-color:rgba(255,255,255,.14);color:var(--text);}
.btn--dark:hover{background:rgba(255,255,255,.12);}
.btn--sm{padding:10px 18px;font-size:.85rem;}
.btn--block{width:100%;}
.tag{
  display:inline-block;
  font-size:.68rem;font-weight:700;letter-spacing:.1em;text-transform:uppercase;
  padding:5px 11px;border-radius:999px;
  border:1px solid var(--line-strong);
  color:var(--cyan2);
  background:rgba(6,182,212,.09);
}
.tag--hot{color:#ffd9e0;border-color:rgba(244,63,94,.5);background:rgba(244,63,94,.16);}
.tag--vip{color:#fff2cf;border-color:rgba(251,191,36,.5);background:rgba(251,191,36,.16);}
.tag--lime{color:#e6ffbf;border-color:rgba(163,230,53,.45);background:rgba(163,230,53,.14);}

/* ============ HEADER ============ */
.site-header{
  position:sticky;top:0;z-index:60;
  background:rgba(5,7,13,.82);
  backdrop-filter:blur(16px);
  -webkit-backdrop-filter:blur(16px);
  border-bottom:1px solid var(--line);
}
.nav-row{display:flex;align-items:center;justify-content:space-between;gap:16px;height:72px;}
.brand{display:flex;align-items:center;gap:10px;flex-shrink:0;}
.brand__mark{
  width:38px;height:38px;border-radius:12px;
  display:grid;place-items:center;
  background:var(--grad);
  color:#04121b;font-weight:800;font-size:1.05rem;
  box-shadow:0 8px 22px rgba(6,182,212,.34);
}
.brand__text{display:flex;flex-direction:column;line-height:1.15;}
.brand__name{font-weight:800;font-size:.98rem;letter-spacing:-.2px;}
.brand__sub{font-size:.66rem;letter-spacing:.16em;text-transform:uppercase;color:var(--muted-2);}
.main-nav{display:flex;align-items:center;gap:4px;}
.main-nav a{
  position:relative;
  padding:9px 14px;border-radius:999px;
  font-size:.9rem;font-weight:600;color:var(--muted);
  transition:color .2s ease,background .2s ease;
}
.main-nav a:hover{color:var(--text);background:rgba(56,189,248,.09);}
.main-nav a.is-active{color:#04121b;background:var(--grad);}
.nav-actions{display:flex;align-items:center;gap:10px;}
.nav-login{
  font-size:.9rem;font-weight:600;color:var(--cyan2);
  border:1px solid var(--line-strong);border-radius:999px;padding:9px 18px;
  transition:background .2s ease,color .2s ease;
}
.nav-login:hover{background:rgba(56,189,248,.12);color:#e6f7ff;}
.nav-signup{
  font-size:.9rem;font-weight:800;color:#04121b;
  background:var(--grad);border-radius:999px;padding:10px 20px;
  box-shadow:0 8px 22px rgba(6,182,212,.32);
  transition:transform .2s ease,box-shadow .25s ease;
}
.nav-signup:hover{transform:translateY(-2px);box-shadow:0 14px 32px rgba(6,182,212,.46);}
.nav-toggle{
  display:none;background:rgba(56,189,248,.08);border:1px solid var(--line-strong);
  color:var(--cyan2);width:42px;height:42px;border-radius:12px;font-size:1.05rem;cursor:pointer;
  place-items:center;
}
.mobile-drawer{
  display:none;border-top:1px solid var(--line);
  background:rgba(8,14,26,.97);
  padding:14px 20px 22px;
}
.mobile-drawer.is-open{display:block;}
.mobile-drawer a{
  display:block;padding:13px 14px;border-radius:12px;
  color:var(--muted);font-weight:600;font-size:.95rem;
}
.mobile-drawer a.is-active{color:#04121b;background:var(--grad);}
.mobile-drawer a:hover{background:rgba(56,189,248,.10);color:var(--text);}
.drawer-actions{display:flex;gap:10px;margin-top:14px;}
.drawer-actions .btn{flex:1;}

/* ============ HERO ============ */
.hero{position:relative;overflow:hidden;border-bottom:1px solid var(--line);}
.hero__bg{position:absolute;inset:0;}
.hero__bg img{width:100%;height:100%;object-fit:cover;opacity:.38;filter:saturate(.9);}
.hero__bg::after{
  content:"";position:absolute;inset:0;
  background:linear-gradient(180deg,rgba(5,7,13,.62) 0%,rgba(5,7,13,.82) 46%,rgba(5,7,13,.97) 100%),
             radial-gradient(700px 420px at 78% 18%, rgba(6,182,212,.28), transparent 66%);
}
.hero__inner{position:relative;z-index:2;padding:92px 0 74px;max-width:860px;margin:0 auto;text-align:center;}
.hero h1{
  font-size:clamp(1.85rem,4.6vw,3.1rem);
  line-height:1.18;font-weight:800;letter-spacing:-1px;margin-bottom:18px;
}
.hero h1 span{
  background:var(--grad);-webkit-background-clip:text;background-clip:text;color:transparent;
}
.hero__sub{color:#c3d3e6;font-size:1.03rem;line-height:1.68;max-width:720px;margin:0 auto 28px;}
.hero__cta{display:flex;flex-wrap:wrap;gap:12px;justify-content:center;margin-bottom:26px;}
.hero__play{
  display:inline-flex;align-items:center;gap:12px;
  background:rgba(9,16,30,.7);border:1px solid var(--line-strong);
  border-radius:999px;padding:8px 20px 8px 8px;color:var(--text);
  font-weight:600;font-size:.92rem;cursor:pointer;
  transition:border-color .25s ease,background .25s ease,transform .25s ease;
}
.hero__play:hover{border-color:var(--cyan2);background:rgba(9,16,30,.92);transform:translateY(-2px);}
.hero__play-ring{
  width:44px;height:44px;border-radius:50%;display:grid;place-items:center;
  background:var(--grad);color:#04121b;font-size:.9rem;
  box-shadow:0 0 0 6px rgba(6,182,212,.14);
  animation:pulseRing 2.4s ease-in-out infinite;
}
@keyframes pulseRing{
  0%,100%{box-shadow:0 0 0 6px rgba(6,182,212,.14);}
  50%{box-shadow:0 0 0 12px rgba(6,182,212,.05);}
}
.hero-stats{
  position:relative;z-index:2;
  display:grid;grid-template-columns:repeat(4,minmax(0,1fr));
  gap:1px;background:var(--line);
  border-top:1px solid var(--line);
}
.hero-stats__item{
  background:rgba(6,12,24,.86);
  padding:20px 18px;text-align:center;
}
.hero-stats__item strong{display:block;font-size:1.18rem;font-weight:800;color:var(--lime);letter-spacing:-.3px;}
.hero-stats__item span{font-size:.78rem;color:var(--muted-2);text-transform:uppercase;letter-spacing:.08em;}

/* ============ SPLIT / INTRO ============ */
.split{display:grid;grid-template-columns:minmax(0,0.85fr) minmax(0,1.15fr);gap:54px;align-items:start;}
.split__aside h2{margin-bottom:16px;}
.split__aside p{color:var(--muted);font-size:.98rem;margin-bottom:22px;}
.split__body p{color:#c3d3e6;margin-bottom:18px;}
.split__body p strong{color:var(--text);}
.compare{border:1px solid var(--line);border-radius:var(--radius);overflow:hidden;background:var(--panel);}
.compare__row{display:grid;grid-template-columns:1fr 1fr;gap:1px;background:var(--line);}
.compare__row > div{background:rgba(8,15,28,.92);padding:15px 18px;font-size:.9rem;color:var(--muted);line-height:1.55;}
.compare__head > div{font-weight:800;color:var(--text);font-size:.82rem;text-transform:uppercase;letter-spacing:.09em;background:rgba(11,21,38,.98);}
.compare__head > div:last-child{color:var(--cyan2);}
.compare__row > div:first-child{color:#dbe8f7;}
.compare__row > div:first-child::before{
  content:"\f00c";font-family:"Font Awesome 6 Free";font-weight:900;color:var(--lime);margin-right:8px;font-size:.78rem;
}
.compare__row > div:last-child::before{
  content:"\f00d";font-family:"Font Awesome 6 Free";font-weight:900;color:var(--pink);margin-right:8px;font-size:.78rem;
}
.compare__head > div::before{display:none;}

/* ============ FEATURE CARDS ============ */
.feature-card{
  height:100%;
  background:linear-gradient(180deg,rgba(13,26,46,.78),rgba(7,13,25,.86));
  border:1px solid var(--line);
  border-radius:var(--radius);
  padding:30px 26px;
  transition:border-color .28s ease,transform .28s ease,box-shadow .28s ease;
}
.feature-card:hover{border-color:var(--line-strong);transform:translateY(-4px);box-shadow:0 22px 50px rgba(2,8,23,.6),var(--glow);}
.feature-card__icon{
  width:52px;height:52px;border-radius:16px;display:grid;place-items:center;
  background:rgba(6,182,212,.12);border:1px solid var(--line-strong);
  color:var(--cyan2);font-size:1.25rem;margin-bottom:20px;
}
.feature-card h3{margin-bottom:12px;}
.feature-card p{color:var(--muted);font-size:.94rem;}

/* ============ GAME / HŨ CARDS ============ */
.game-card{
  height:100%;display:flex;flex-direction:column;
  background:rgba(10,18,32,.72);
  border:1px solid var(--line);
  border-radius:var(--radius);
  overflow:hidden;
  transition:transform .3s ease,border-color .3s ease,box-shadow .3s ease;
}
.game-card:hover{transform:translateY(-6px);border-color:var(--line-strong);box-shadow:0 24px 54px rgba(2,8,23,.7),0 0 26px rgba(6,182,212,.22);}
.game-card__media{position:relative;aspect-ratio:16/10;overflow:hidden;}
.game-card__media img{width:100%;height:100%;object-fit:cover;transition:transform .5s ease;}
.game-card:hover .game-card__media img{transform:scale(1.06);}
.game-card__media::after{content:"";position:absolute;inset:0;background:linear-gradient(180deg,rgba(5,7,13,0) 40%,rgba(5,7,13,.88) 100%);}
.game-card__badge{position:absolute;top:12px;left:12px;z-index:2;}
.game-card__body{padding:20px 20px 22px;display:flex;flex-direction:column;gap:10px;flex:1;}
.game-card__body h3{font-size:1.03rem;}
.game-card__body p{color:var(--muted);font-size:.88rem;flex:1;}
.game-card__foot{display:flex;align-items:center;justify-content:space-between;gap:10px;padding-top:12px;border-top:1px solid var(--line);}
.game-card__bet{font-size:.8rem;color:var(--muted-2);}
.game-card__bet b{color:var(--lime);font-weight:800;font-size:.95rem;}

/* ============ JACKPOT LIST ============ */
.jackpot-list{border:1px solid var(--line);border-radius:var(--radius);overflow:hidden;background:rgba(8,15,28,.66);}
.jackpot-row{
  display:grid;grid-template-columns:minmax(180px,1.2fr) minmax(140px,1.6fr) 150px 110px;
  align-items:center;gap:18px;
  padding:18px 22px;border-bottom:1px solid var(--line);
  transition:background .25s ease;
}
.jackpot-row:last-child{border-bottom:0;}
.jackpot-row:hover{background:rgba(56,189,248,.05);}
.jackpot-row__name{font-weight:700;font-size:.98rem;}
.jackpot-row__meta{display:block;font-size:.76rem;color:var(--muted-2);font-weight:500;margin-top:2px;}
.jackpot-row__bar{height:8px;border-radius:999px;background:rgba(56,189,248,.12);overflow:hidden;}
.jackpot-row__bar span{display:block;height:100%;border-radius:999px;background:var(--grad);}
.jackpot-row__val{font-weight:800;color:var(--lime);font-size:1rem;text-align:right;}
.jackpot-row__state{text-align:right;}

/* ============ STEPS ============ */
.steps{display:grid;grid-template-columns:repeat(4,minmax(0,1fr));gap:20px;}
.step{
  position:relative;
  background:rgba(10,18,32,.6);
  border:1px solid var(--line);
  border-radius:var(--radius);
  padding:28px 22px 24px;
}
.step__num{
  font-size:2.1rem;font-weight:800;line-height:1;
  background:var(--grad);-webkit-background-clip:text;background-clip:text;color:transparent;
  margin-bottom:14px;letter-spacing:-1px;
}
.step h3{font-size:1.02rem;margin-bottom:10px;}
.step p{color:var(--muted);font-size:.9rem;}
.step::after{
  content:"";position:absolute;top:38px;right:-12px;width:24px;height:1px;background:var(--line-strong);
}
.step:last-child::after{display:none;}

/* ============ TIPS ============ */
.tips{display:grid;grid-template-columns:minmax(0,1fr) minmax(0,1fr);gap:46px;align-items:center;}
.tips__media{border-radius:var(--radius-lg);overflow:hidden;border:1px solid var(--line);position:relative;}
.tips__media img{width:100%;aspect-ratio:4/3;object-fit:cover;}
.tips__media figcaption{
  position:absolute;left:0;right:0;bottom:0;padding:16px 20px;
  background:linear-gradient(180deg,rgba(5,7,13,0),rgba(5,7,13,.94));
  font-size:.84rem;color:var(--muted);
}
.tips__list li{
  display:flex;gap:14px;padding:16px 0;border-bottom:1px dashed var(--line);
}
.tips__list li:last-child{border-bottom:0;}
.tips__list i{color:var(--lime);font-size:1rem;margin-top:4px;}
.tips__list strong{display:block;font-size:.98rem;margin-bottom:4px;}
.tips__list span{color:var(--muted);font-size:.9rem;}

/* ============ REVIEWS ============ */
.review{
  height:100%;
  background:rgba(10,18,32,.62);
  border:1px solid var(--line);
  border-radius:var(--radius);
  padding:26px 24px;
  display:flex;flex-direction:column;gap:14px;
  transition:border-color .28s ease,transform .28s ease;
}
.review:hover{border-color:var(--line-strong);transform:translateY(-4px);}
.review__stars{color:var(--gold);font-size:.85rem;letter-spacing:2px;}
.review p{color:#c3d3e6;font-size:.93rem;flex:1;}
.review__who{display:flex;align-items:center;gap:12px;padding-top:14px;border-top:1px solid var(--line);}
.review__avatar{
  width:40px;height:40px;border-radius:50%;display:grid;place-items:center;
  background:rgba(6,182,212,.14);border:1px solid var(--line-strong);
  color:var(--cyan2);font-weight:800;font-size:.85rem;
}
.review__who b{display:block;font-size:.9rem;}
.review__who span{font-size:.76rem;color:var(--muted-2);}

/* ============ FAQ ============ */
.faq-wrap{display:grid;grid-template-columns:minmax(0,.72fr) minmax(0,1.28fr);gap:48px;align-items:start;}
.faq-item{
  background:var(--panel);
  border:1px solid var(--line);
  border-radius:var(--radius-sm);
  padding:0 20px;
  margin-bottom:12px;
  transition:border-color .25s ease,background .25s ease;
}
.faq-item[open]{border-color:var(--line-strong);background:rgba(12,24,42,.92);}
.faq-item summary{
  list-style:none;cursor:pointer;position:relative;
  padding:18px 44px 18px 0;font-weight:600;font-size:.98rem;color:var(--text);
}
.faq-item summary::-webkit-details-marker{display:none;}
.faq-item summary::after{
  content:"\f067";font-family:"Font Awesome 6 Free";font-weight:900;
  position:absolute;right:0;top:50%;transform:translateY(-50%);
  color:var(--cyan2);font-size:.82rem;transition:transform .25s ease;
}
.faq-item[open] summary::after{content:"\f068";}
.faq-item p{padding:0 0 20px;color:var(--muted);font-size:.92rem;}

/* ============ CTA ============ */
.cta-band{
  position:relative;overflow:hidden;
  border:1px solid var(--line-strong);
  border-radius:var(--radius-lg);
  padding:56px 40px;
  background:
    radial-gradient(600px 320px at 12% 0%, rgba(6,182,212,.24), transparent 62%),
    radial-gradient(520px 320px at 92% 100%, rgba(163,230,53,.16), transparent 60%),
    linear-gradient(180deg,rgba(13,26,46,.94),rgba(6,12,24,.96));
  text-align:center;
}
.cta-band h2{margin-bottom:14px;}
.cta-band > p{color:#c3d3e6;max-width:640px;margin:0 auto 26px;}
.cta-band__actions{display:flex;flex-wrap:wrap;gap:12px;justify-content:center;margin-bottom:28px;}
.pay-row{display:flex;flex-wrap:wrap;gap:10px;justify-content:center;margin-bottom:26px;}
.pay-badge{
  font-size:.78rem;font-weight:700;letter-spacing:.04em;
  padding:7px 14px;border-radius:999px;
  border:1px solid var(--line);background:rgba(255,255,255,.05);color:#dbe8f7;
}
.trust-row{
  display:flex;flex-wrap:wrap;gap:24px;justify-content:center;
  padding-top:22px;border-top:1px solid var(--line);
}
.trust-row div{display:flex;align-items:center;gap:9px;font-size:.85rem;color:var(--muted);}
.trust-row i{color:var(--lime);}

/* ============ MODAL ============ */
.modal{
  position:fixed;inset:0;z-index:120;display:none;
  align-items:center;justify-content:center;padding:22px;
  background:rgba(3,6,12,.86);backdrop-filter:blur(6px);
}
.modal.is-open{display:flex;}
.modal__panel{
  position:relative;width:100%;max-width:620px;
  background:var(--panel-solid);
  border:1px solid var(--line-strong);
  border-radius:var(--radius-lg);
  overflow:hidden;box-shadow:var(--shadow);
}
.modal__panel img{width:100%;aspect-ratio:16/9;object-fit:cover;}
.modal__body{padding:24px 26px 28px;}
.modal__body h3{margin-bottom:10px;}
.modal__body p{color:var(--muted);font-size:.93rem;margin-bottom:20px;}
.modal__close{
  position:absolute;top:12px;right:12px;z-index:3;
  width:40px;height:40px;border-radius:50%;
  background:rgba(5,7,13,.78);border:1px solid var(--line-strong);
  color:var(--text);cursor:pointer;display:grid;place-items:center;
}
.modal__close:hover{background:rgba(244,63,94,.22);}

/* ============ FAB ============ */
.fab{
  position:fixed;left:1rem;bottom:6rem;z-index:50;
  width:56px;height:56px;border-radius:18px;
  display:grid;place-items:center;
  background:rgba(7,7,13,.82);
  backdrop-filter:blur(10px);
  border:1px solid transparent;
  background-image:linear-gradient(rgba(7,7,13,.86),rgba(7,7,13,.86)),linear-gradient(135deg,#a3e635,#06b6d4);
  background-origin:border-box;
  background-clip:padding-box,border-box;
  box-shadow:0 0 20px rgba(6,182,212,.45);
  color:var(--lime);font-size:1.3rem;
  opacity:.78;cursor:pointer;
  animation:fabPulse 2.6s ease-in-out infinite;
  transition:transform .25s ease,opacity .25s ease,box-shadow .3s ease,color .25s ease;
}
@keyframes fabPulse{
  0%,100%{box-shadow:0 0 18px rgba(6,182,212,.38);}
  50%{box-shadow:0 0 30px rgba(163,230,53,.5);}
}
.fab:hover{opacity:1;transform:scale(1.1);box-shadow:0 0 34px rgba(6,182,212,.7);color:#e6ffbf;}
.fab:active{transform:scale(.94);color:#f472b6;}
.fab__dot{
  position:absolute;top:-4px;right:-4px;
  width:14px;height:14px;border-radius:50%;
  background:#f43f5e;border:2px solid #f8fafc;
  animation:dotBlink 1.4s ease-in-out infinite;
}
@keyframes dotBlink{0%,100%{opacity:1;}50%{opacity:.35;}}

/* ============ BOTTOM BAR ============ */
.bottom-bar{
  position:fixed;left:0;right:0;bottom:0;z-index:55;
  display:flex;align-items:center;justify-content:space-between;gap:16px;
  padding:12px 20px;
  background:rgba(5,9,18,.94);
  backdrop-filter:blur(14px);
  border-top:1px solid var(--line-strong);
}
.bottom-bar__info{display:flex;flex-direction:column;line-height:1.3;min-width:0;}
.bottom-bar__info strong{font-size:.92rem;color:var(--lime);font-weight:800;}
.bottom-bar__info span{font-size:.74rem;color:var(--muted-2);}

/* ============ FOOTER ============ */
.site-footer{
  border-top:1px solid var(--line);
  background:linear-gradient(180deg,rgba(8,14,26,.7),rgba(4,6,12,.96));
  padding:56px 0 26px;
}
.footer-grid{display:grid;grid-template-columns:1.5fr 1fr 1fr 1.2fr;gap:36px;}
.footer-col h4{
  font-size:.8rem;text-transform:uppercase;letter-spacing:.14em;
  color:var(--muted-2);font-weight:700;margin-bottom:16px;
}
.footer-col p{color:var(--muted);font-size:.9rem;}
.footer-col ul li{margin-bottom:10px;}
.footer-col ul a{color:var(--muted);font-size:.9rem;transition:color .2s ease;}
.footer-col ul a:hover{color:var(--cyan2);}
.footer-pay{display:flex;flex-wrap:wrap;gap:8px;margin-top:16px;}
.age-badge{
  display:inline-block;margin-top:14px;
  font-size:.78rem;font-weight:800;color:var(--gold);
  border:1px solid rgba(251,191,36,.45);background:rgba(251,191,36,.1);
  border-radius:999px;padding:5px 12px;
}
.footer-bottom{
  display:flex;flex-wrap:wrap;gap:12px;justify-content:space-between;
  margin-top:36px;padding-top:20px;border-top:1px solid var(--line);
  color:var(--muted-2);font-size:.82rem;
}

/* ============ RESPONSIVE ============ */
@media screen and (max-width:1024px){
  .main-nav{display:none;}
  .nav-toggle{display:grid;}
  .split{grid-template-columns:1fr;gap:34px;}
  .steps{grid-template-columns:repeat(2,minmax(0,1fr));}
  .step::after{display:none;}
  .tips{grid-template-columns:1fr;gap:30px;}
  .faq-wrap{grid-template-columns:1fr;gap:26px;}
  .footer-grid{grid-template-columns:1fr 1fr;gap:30px;}
  .hero-stats{grid-template-columns:repeat(2,minmax(0,1fr));}
  .section{padding:62px 0;}
}
@media screen and (max-width:768px){
  body{padding-bottom:74px;}
  .nav-row{height:64px;}
  .nav-login{padding:7px 13px;font-size:.82rem;}
  .nav-signup{padding:8px 15px;font-size:.82rem;}
  .hero__inner{padding:66px 0 56px;}
  .section-head{flex-direction:column;align-items:flex-start;gap:14px;margin-bottom:28px;}
  .section-head__note{max-width:100%;}
  .jackpot-row{grid-template-columns:1fr;gap:10px;padding:16px 18px;}
  .jackpot-row__val,.jackpot-row__state{text-align:left;}
  .cta-band{padding:40px 22px;}
  .compare__row{grid-template-columns:1fr;}
  .footer-grid{grid-template-columns:1fr;}
  .footer-bottom{flex-direction:column;gap:8px;}
}
@media screen and (max-width:520px){
  .container{padding:0 16px;}
  .steps{grid-template-columns:1fr;}
  .hero-stats{grid-template-columns:1fr;}
  .hero__cta .btn{width:100%;}
  .brand__sub{display:none;}
  .bottom-bar{padding:10px 14px;gap:10px;}
  .bottom-bar__info span{display:none;}
  .fab{width:52px;height:52px;bottom:5.6rem;}
}
@media screen and (max-width:400px){
  .brand__text{display:none;}
}

/* roulang page: category3 */
:root{
  --bg:#05070d;
  --bg2:#0a1220;
  --bg3:#0d1a2e;
  --panel:rgba(12,24,42,.72);
  --panel-solid:#0b1526;
  --line:rgba(56,189,248,.16);
  --line-strong:rgba(56,189,248,.36);
  --cyan:#06b6d4;
  --cyan2:#38bdf8;
  --lime:#a3e635;
  --pink:#f43f5e;
  --gold:#fbbf24;
  --text:#f8fafc;
  --muted:#93a5bd;
  --muted-2:#6b7f99;
  --radius:20px;
  --radius-lg:28px;
  --radius-sm:12px;
  --shadow:0 18px 50px rgba(2,8,23,.55);
  --glow:0 0 30px rgba(6,182,212,.28);
  --grad:linear-gradient(120deg,#06b6d4 0%,#38bdf8 48%,#a3e635 100%);
  --maxw:1180px;
}
*,*::before,*::after{box-sizing:border-box;}
html{-webkit-text-size-adjust:100%;scroll-behavior:smooth;}
body{
  margin:0;padding:0 0 96px;
  font-family:'Be Vietnam Pro',system-ui,-apple-system,'Segoe UI',Roboto,sans-serif;
  font-size:16px;line-height:1.62;color:var(--text);
  background:
    radial-gradient(900px 520px at 12% -8%, rgba(6,182,212,.18), transparent 62%),
    radial-gradient(760px 460px at 92% 4%, rgba(163,230,53,.10), transparent 60%),
    radial-gradient(900px 600px at 50% 108%, rgba(56,189,248,.12), transparent 62%),
    var(--bg);
  overflow-x:hidden;
}
img{max-width:100%;height:auto;display:block;}
a{color:inherit;text-decoration:none;}
ul,ol{margin:0;padding:0;list-style:none;}
h1,h2,h3,h4{margin:0 0 14px;font-weight:800;letter-spacing:-.4px;line-height:1.24;}
h1{font-size:clamp(2rem,4.2vw,3.05rem);}
h2{font-size:clamp(1.5rem,2.8vw,2.15rem);}
h3{font-size:1.12rem;}
p{margin:0 0 14px;}
p:last-child{margin-bottom:0;}
button{font-family:inherit;}
input,textarea,select{font-family:inherit;font-size:1rem;}
a:focus-visible,button:focus-visible,summary:focus-visible{outline:2px solid var(--cyan2);outline-offset:3px;border-radius:8px;}
::selection{background:rgba(6,182,212,.4);color:#fff;}

.container{width:100%;max-width:var(--maxw);margin:0 auto;padding:0 20px;}
.section{padding:76px 0;position:relative;}
.section--tight{padding:52px 0;}
.section--alt{background:linear-gradient(180deg,rgba(10,18,32,.9),rgba(5,7,13,.4));border-top:1px solid var(--line);border-bottom:1px solid var(--line);}
.section--panel{background:linear-gradient(180deg,rgba(13,26,46,.55),rgba(5,7,13,0));}
.grad-text{background:var(--grad);-webkit-background-clip:text;background-clip:text;color:transparent;}

.eyebrow{
  display:inline-flex;align-items:center;gap:8px;
  font-size:.72rem;font-weight:700;letter-spacing:.16em;text-transform:uppercase;
  color:var(--cyan2);background:rgba(6,182,212,.10);
  border:1px solid var(--line-strong);border-radius:999px;padding:6px 14px;margin-bottom:16px;
}
.section-head{max-width:720px;margin-bottom:38px;}
.section-head--left{text-align:left;}
.section-head p{color:var(--muted);}

.btn{
  display:inline-flex;align-items:center;justify-content:center;gap:10px;
  padding:14px 26px;border-radius:999px;font-weight:700;font-size:.96rem;
  border:1px solid transparent;cursor:pointer;
  transition:transform .2s ease,box-shadow .25s ease,background .25s ease,color .2s ease;
  white-space:nowrap;
}
.btn--primary{background:var(--grad);color:#04121b;box-shadow:0 10px 30px rgba(6,182,212,.32);}
.btn--primary:hover{transform:translateY(-2px);box-shadow:0 16px 40px rgba(6,182,212,.48);}
.btn--primary:active{transform:translateY(0) scale(.98);}
.btn--ghost{background:rgba(56,189,248,.06);border-color:var(--line-strong);color:var(--cyan2);}
.btn--ghost:hover{background:rgba(56,189,248,.14);color:#e6f7ff;transform:translateY(-2px);}
.btn--dark{background:rgba(255,255,255,.06);border-color:rgba(255,255,255,.14);color:var(--text);}
.btn--dark:hover{background:rgba(255,255,255,.12);}
.btn--lime{background:linear-gradient(120deg,#a3e635,#4ade80);color:#06210f;box-shadow:0 10px 28px rgba(163,230,53,.26);}
.btn--lime:hover{transform:translateY(-2px);box-shadow:0 16px 38px rgba(163,230,53,.4);}
.btn--sm{padding:10px 18px;font-size:.85rem;}
.btn--block{width:100%;}

.tag{
  display:inline-block;font-size:.68rem;font-weight:700;letter-spacing:.1em;text-transform:uppercase;
  padding:5px 11px;border-radius:999px;border:1px solid var(--line-strong);
  color:var(--cyan2);background:rgba(6,182,212,.09);
}
.tag--hot{color:#ffd9e0;border-color:rgba(244,63,94,.5);background:rgba(244,63,94,.16);}
.tag--vip{color:#fff2cf;border-color:rgba(251,191,36,.5);background:rgba(251,191,36,.16);}
.tag--lime{color:#e6ffbf;border-color:rgba(163,230,53,.45);background:rgba(163,230,53,.14);}

/* ===== HEADER ===== */
.site-header{
  position:sticky;top:0;z-index:60;
  background:rgba(5,7,13,.82);
  backdrop-filter:blur(16px);-webkit-backdrop-filter:blur(16px);
  border-bottom:1px solid var(--line);
}
.nav-row{display:flex;align-items:center;justify-content:space-between;gap:16px;height:72px;}
.brand{display:flex;align-items:center;gap:10px;flex-shrink:0;}
.brand__mark{
  width:38px;height:38px;border-radius:12px;display:grid;place-items:center;
  background:var(--grad);color:#04121b;font-weight:800;font-size:1.05rem;
  box-shadow:0 8px 22px rgba(6,182,212,.34);
}
.brand__text{display:flex;flex-direction:column;line-height:1.15;}
.brand__name{font-weight:800;font-size:.98rem;letter-spacing:-.2px;}
.brand__sub{font-size:.66rem;letter-spacing:.16em;text-transform:uppercase;color:var(--muted-2);}
.main-nav{display:flex;align-items:center;gap:4px;}
.main-nav a{
  position:relative;padding:9px 14px;border-radius:999px;
  font-size:.9rem;font-weight:600;color:var(--muted);
  transition:color .2s ease,background .2s ease;
}
.main-nav a:hover{color:var(--text);background:rgba(56,189,248,.09);}
.main-nav a.is-active{color:#04121b;background:var(--grad);}
.nav-actions{display:flex;align-items:center;gap:10px;}
.nav-login{
  font-size:.9rem;font-weight:600;color:var(--cyan2);
  border:1px solid var(--line-strong);border-radius:999px;padding:9px 18px;
  transition:background .2s ease,color .2s ease;
}
.nav-login:hover{background:rgba(56,189,248,.12);color:#e6f7ff;}
.nav-signup{
  font-size:.9rem;font-weight:800;color:#04121b;background:var(--grad);
  border-radius:999px;padding:10px 20px;box-shadow:0 8px 22px rgba(6,182,212,.32);
  transition:transform .2s ease,box-shadow .25s ease;
}
.nav-signup:hover{transform:translateY(-2px);box-shadow:0 14px 32px rgba(6,182,212,.46);}
.nav-toggle{
  display:none;background:rgba(56,189,248,.08);border:1px solid var(--line-strong);
  color:var(--cyan2);width:42px;height:42px;border-radius:12px;font-size:1.05rem;cursor:pointer;
}
.mobile-drawer{display:none;border-top:1px solid var(--line);background:rgba(8,14,26,.97);padding:14px 20px 22px;}
.mobile-drawer.is-open{display:block;}
.mobile-drawer a{display:block;padding:13px 14px;border-radius:12px;color:var(--muted);font-weight:600;font-size:.95rem;}
.mobile-drawer a.is-active{color:#04121b;background:var(--grad);}
.mobile-drawer a:hover{background:rgba(56,189,248,.10);color:var(--text);}
.drawer-actions{display:flex;gap:10px;margin-top:14px;}
.drawer-actions .btn{flex:1;}

/* ===== HERO ===== */
.hero{position:relative;overflow:hidden;border-bottom:1px solid var(--line);}
.hero__bg{position:absolute;inset:0;}
.hero__bg img{width:100%;height:100%;object-fit:cover;opacity:.34;filter:saturate(1.05);}
.hero__bg::after{
  content:"";position:absolute;inset:0;
  background:linear-gradient(115deg,rgba(5,7,13,.96) 6%,rgba(5,7,13,.80) 48%,rgba(5,7,13,.55) 100%);
}
.hero__inner{
  position:relative;z-index:2;
  display:grid;grid-template-columns:1.05fr .95fr;gap:52px;align-items:center;
  padding:76px 20px 84px;
}
.hero__desc{color:#c7d5e6;font-size:1.06rem;max-width:600px;}
.hero__actions{display:flex;flex-wrap:wrap;gap:14px;margin:26px 0 24px;}
.hero__meta{display:flex;flex-wrap:wrap;gap:10px 22px;color:var(--muted);font-size:.88rem;}
.hero__meta li{display:flex;align-items:center;gap:8px;}
.hero__meta i{color:var(--lime);}
.hero__quick{display:grid;grid-template-columns:1fr 1fr;gap:14px;}
.quick-card{
  display:block;padding:20px 18px;border-radius:var(--radius);
  background:var(--panel);border:1px solid var(--line);
  backdrop-filter:blur(10px);
  transition:transform .22s ease,border-color .22s ease,box-shadow .25s ease;
}
.quick-card:hover{transform:translateY(-4px);border-color:var(--line-strong);box-shadow:var(--glow);}
.quick-card i{font-size:1.25rem;color:var(--cyan2);margin-bottom:12px;display:block;}
.quick-card strong{display:block;font-size:.98rem;margin-bottom:4px;}
.quick-card span{font-size:.82rem;color:var(--muted);line-height:1.45;}
.quick-card--wide{grid-column:span 2;background:linear-gradient(120deg,rgba(6,182,212,.16),rgba(163,230,53,.10));border-color:var(--line-strong);}

/* ===== STAT STRIP ===== */
.stat-strip{background:rgba(8,14,26,.7);border-bottom:1px solid var(--line);}
.stat-grid{display:grid;grid-template-columns:repeat(4,1fr);gap:18px;padding:30px 20px;}
.stat{padding-left:16px;border-left:2px solid var(--line-strong);}
.stat strong{display:block;font-size:1.6rem;font-weight:800;background:var(--grad);-webkit-background-clip:text;background-clip:text;color:transparent;line-height:1.2;}
.stat span{font-size:.84rem;color:var(--muted);}

/* ===== REASON BLOCK ===== */
.split{display:grid;grid-template-columns:.85fr 1.15fr;gap:48px;align-items:start;}
.reason-list{display:grid;gap:16px;}
.reason{
  display:grid;grid-template-columns:52px 1fr;gap:18px;align-items:start;
  padding:22px;border-radius:var(--radius);
  background:var(--panel);border:1px solid var(--line);
  transition:border-color .22s ease,transform .22s ease;
}
.reason:hover{border-color:var(--line-strong);transform:translateX(4px);}
.reason__icon{
  width:52px;height:52px;border-radius:14px;display:grid;place-items:center;
  background:rgba(6,182,212,.14);border:1px solid var(--line-strong);color:var(--cyan2);font-size:1.15rem;
}
.reason h3{margin-bottom:6px;}
.reason p{color:var(--muted);font-size:.94rem;}

/* ===== LINK LIST ===== */
.link-grid{display:grid;grid-template-columns:1.05fr .95fr;gap:44px;align-items:center;}
.link-visual{border-radius:var(--radius-lg);overflow:hidden;border:1px solid var(--line);box-shadow:var(--shadow);}
.link-visual img{width:100%;height:100%;object-fit:cover;aspect-ratio:4/3;}
.backup-list{display:grid;gap:12px;margin-top:22px;}
.backup{
  display:flex;align-items:center;justify-content:space-between;gap:16px;
  padding:16px 18px;border-radius:var(--radius-sm);
  background:rgba(12,24,42,.6);border:1px solid var(--line);
  transition:border-color .2s ease,background .2s ease;
}
.backup:hover{border-color:var(--line-strong);background:rgba(12,24,42,.85);}
.backup__info{display:flex;align-items:center;gap:14px;min-width:0;}
.backup__idx{
  width:38px;height:38px;flex-shrink:0;border-radius:10px;display:grid;place-items:center;
  font-weight:800;font-size:.9rem;background:var(--grad);color:#04121b;
}
.backup__name{font-weight:700;font-size:.96rem;display:block;}
.backup__meta{font-size:.78rem;color:var(--muted-2);}
.dot-live{display:inline-block;width:8px;height:8px;border-radius:50%;background:var(--lime);margin-right:6px;box-shadow:0 0 10px rgba(163,230,53,.8);}

/* ===== COMPARE ===== */
.compare{display:grid;grid-template-columns:1fr 1fr;gap:20px;}
.compare__col{padding:26px;border-radius:var(--radius);border:1px solid var(--line);background:rgba(12,24,42,.5);}
.compare__col--good{border-color:rgba(163,230,53,.35);background:linear-gradient(160deg,rgba(163,230,53,.10),rgba(12,24,42,.5));}
.compare__col h3{display:flex;align-items:center;gap:10px;}
.compare__col h3 i{font-size:1rem;}
.compare__col--bad h3 i{color:var(--pink);}
.compare__col--good h3 i{color:var(--lime);}
.compare__col ul{display:grid;gap:12px;margin-top:16px;}
.compare__col li{display:flex;gap:10px;font-size:.93rem;color:var(--muted);}
.compare__col li i{margin-top:5px;font-size:.8rem;}
.compare__col--bad li i{color:var(--pink);}
.compare__col--good li i{color:var(--lime);}

/* ===== STEPS ===== */
.steps{display:grid;grid-template-columns:repeat(4,1fr);gap:18px;counter-reset:step;}
.step{
  position:relative;padding:26px 22px;border-radius:var(--radius);
  background:var(--panel);border:1px solid var(--line);
  transition:transform .22s ease,border-color .22s ease;
}
.step:hover{transform:translateY(-5px);border-color:var(--line-strong);}
.step__num{
  font-size:2rem;font-weight:800;line-height:1;
  background:var(--grad);-webkit-background-clip:text;background-clip:text;color:transparent;
  display:block;margin-bottom:12px;
}
.step h3{font-size:1rem;margin-bottom:8px;}
.step p{font-size:.9rem;color:var(--muted);}

/* ===== SOCIAL PROOF ===== */
.proof{display:grid;grid-template-columns:1fr 1.1fr;gap:44px;align-items:center;}
.proof__visual{border-radius:var(--radius-lg);overflow:hidden;border:1px solid var(--line);position:relative;}
.proof__visual img{width:100%;aspect-ratio:1/1;object-fit:cover;}
.proof__badge{
  position:absolute;left:18px;bottom:18px;
  background:rgba(5,7,13,.86);border:1px solid var(--line-strong);border-radius:var(--radius-sm);
  padding:12px 16px;backdrop-filter:blur(8px);
}
.proof__badge strong{display:block;font-size:1.25rem;color:var(--lime);}
.proof__badge span{font-size:.78rem;color:var(--muted);}
.quote{padding:20px 22px;border-radius:var(--radius);background:rgba(12,24,42,.55);border:1px solid var(--line);margin-bottom:14px;}
.quote p{font-size:.95rem;color:#c7d5e6;font-style:italic;}
.quote footer{display:flex;align-items:center;gap:12px;margin-top:14px;font-size:.84rem;color:var(--muted);}
.quote footer i{color:var(--cyan2);}
.stars{color:var(--gold);font-size:.82rem;letter-spacing:2px;}

/* ===== CHANNEL MATRIX ===== */
.channels{display:grid;grid-template-columns:repeat(3,1fr);gap:20px;}
.channel{
  display:flex;flex-direction:column;justify-content:space-between;gap:20px;
  padding:28px 24px;border-radius:var(--radius-lg);
  background:linear-gradient(165deg,rgba(13,26,46,.9),rgba(9,16,30,.7));
  border:1px solid var(--line);
  transition:transform .24s ease,border-color .24s ease,box-shadow .28s ease;
}
.channel:hover{transform:translateY(-6px);border-color:var(--line-strong);box-shadow:var(--shadow);}
.channel__top i{font-size:1.4rem;color:var(--cyan2);display:block;margin-bottom:14px;}
.channel h3{margin-bottom:8px;}
.channel p{font-size:.9rem;color:var(--muted);}

/* ===== FAQ ===== */
.faq-layout{display:grid;grid-template-columns:.8fr 1.2fr;gap:46px;align-items:start;}
.faq-list{display:grid;gap:12px;}
.faq-item{
  border:1px solid var(--line);border-radius:var(--radius-sm);
  background:rgba(12,24,42,.5);overflow:hidden;transition:border-color .2s ease;
}
.faq-item[open]{border-color:var(--line-strong);background:rgba(12,24,42,.78);}
.faq-item summary{
  cursor:pointer;list-style:none;padding:18px 22px;
  display:flex;align-items:center;justify-content:space-between;gap:16px;
  font-weight:600;font-size:.98rem;
}
.faq-item summary::-webkit-details-marker{display:none;}
.faq-item summary::after{
  content:"\f067";font-family:"Font Awesome 6 Free";font-weight:900;
  font-size:.78rem;color:var(--cyan2);transition:transform .25s ease;
}
.faq-item[open] summary::after{transform:rotate(45deg);}
.faq-item .faq-body{padding:0 22px 20px;color:var(--muted);font-size:.93rem;}

/* ===== GUARANTEE / CTA ===== */
.guarantee{
  border-radius:var(--radius-lg);padding:40px;
  background:linear-gradient(120deg,rgba(6,182,212,.16),rgba(163,230,53,.10) 55%,rgba(13,26,46,.8));
  border:1px solid var(--line-strong);
  display:grid;grid-template-columns:1.3fr .7fr;gap:32px;align-items:center;
}
.guarantee ul{display:grid;gap:12px;margin-top:18px;}
.guarantee li{display:flex;gap:10px;font-size:.94rem;color:#c7d5e6;}
.guarantee li i{color:var(--lime);margin-top:5px;font-size:.82rem;}
.guarantee__cta{display:grid;gap:12px;}

/* ===== FOOTER ===== */
.site-footer{background:rgba(4,6,11,.94);border-top:1px solid var(--line);padding:60px 0 26px;margin-top:0;}
.footer-grid{display:grid;grid-template-columns:1.5fr 1fr 1fr 1.1fr;gap:36px;}
.footer-col h4{font-size:.95rem;margin-bottom:16px;}
.footer-col p{font-size:.88rem;color:var(--muted);}
.footer-col ul{display:grid;gap:10px;}
.footer-col ul a{font-size:.9rem;color:var(--muted);transition:color .2s ease,padding-left .2s ease;}
.footer-col ul a:hover{color:var(--cyan2);padding-left:4px;}
.footer-pay{display:flex;flex-wrap:wrap;gap:8px;margin-top:16px;}
.pay-badge{
  font-size:.72rem;font-weight:700;letter-spacing:.06em;
  padding:6px 12px;border-radius:999px;
  background:rgba(56,189,248,.10);border:1px solid var(--line);color:var(--cyan2);
}
.age-badge{
  display:inline-grid;place-items:center;margin-top:14px;
  width:44px;height:44px;border-radius:50%;
  border:2px solid rgba(244,63,94,.6);color:#ffd9e0;font-weight:800;font-size:.85rem;
  background:rgba(244,63,94,.12);
}
.footer-bottom{
  margin-top:40px;padding-top:22px;border-top:1px solid var(--line);
  display:flex;flex-wrap:wrap;justify-content:space-between;gap:12px;
  font-size:.82rem;color:var(--muted-2);
}

/* ===== FAB ===== */
.fab{
  position:fixed;left:16px;bottom:96px;z-index:80;
  display:inline-flex;align-items:center;gap:10px;
  padding:12px 18px;border-radius:999px;
  background:rgba(7,7,13,.82);
  backdrop-filter:blur(12px);-webkit-backdrop-filter:blur(12px);
  border:1px solid transparent;
  background-image:linear-gradient(rgba(7,7,13,.9),rgba(7,7,13,.9)),linear-gradient(120deg,#06b6d4,#a3e635);
  background-origin:border-box;background-clip:padding-box,border-box;
  box-shadow:0 0 20px rgba(6,182,212,.45);
  font-size:.85rem;font-weight:700;color:var(--text);
  opacity:.82;transition:opacity .2s ease,transform .2s ease,box-shadow .25s ease;
  animation:fabPulse 3.2s ease-in-out infinite;
}
.fab i{color:var(--lime);font-size:1rem;animation:fabFlicker 4s ease-in-out infinite;}
.fab:hover{opacity:1;transform:scale(1.06);box-shadow:0 0 30px rgba(6,182,212,.7);}
.fab:active{transform:scale(.95);}
.fab__dot{
  position:absolute;top:-4px;right:-4px;width:12px;height:12px;border-radius:50%;
  background:var(--pink);box-shadow:0 0 12px rgba(244,63,94,.9);animation:dotBlink 1.6s ease-in-out infinite;
}
@keyframes fabPulse{0%,100%{box-shadow:0 0 18px rgba(6,182,212,.35);}50%{box-shadow:0 0 28px rgba(163,230,53,.5);}}
@keyframes fabFlicker{0%,92%,100%{opacity:1;}94%{opacity:.35;}96%{opacity:1;}}
@keyframes dotBlink{0%,100%{opacity:1;}50%{opacity:.25;}}

/* ===== STICKY CTA ===== */
.sticky-cta{
  position:fixed;left:0;right:0;bottom:0;z-index:70;
  background:rgba(6,12,24,.94);
  backdrop-filter:blur(14px);-webkit-backdrop-filter:blur(14px);
  border-top:1px solid var(--line-strong);
  padding:12px 0;
}
.sticky-cta__inner{display:flex;align-items:center;justify-content:space-between;gap:18px;}
.sticky-cta__text{font-size:.9rem;color:var(--muted);}
.sticky-cta__text strong{color:var(--text);display:block;font-size:.96rem;}
.sticky-cta__actions{display:flex;gap:10px;flex-shrink:0;}

/* ===== RESPONSIVE ===== */
@media (max-width:1024px){
  .main-nav{display:none;}
  .nav-toggle{display:grid;place-items:center;}
  .hero__inner{grid-template-columns:1fr;gap:36px;padding:56px 20px 64px;}
  .split,.link-grid,.proof,.faq-layout{grid-template-columns:1fr;gap:32px;}
  .stat-grid{grid-template-columns:repeat(2,1fr);}
  .steps{grid-template-columns:repeat(2,1fr);}
  .channels{grid-template-columns:1fr;}
  .guarantee{grid-template-columns:1fr;padding:30px;}
  .footer-grid{grid-template-columns:1fr 1fr;gap:28px;}
  .proof__visual img{aspect-ratio:16/10;}
}
@media (max-width:768px){
  .section{padding:56px 0;}
  .compare{grid-template-columns:1fr;}
  .hero__quick{grid-template-columns:1fr 1fr;}
  .sticky-cta__inner{flex-direction:column;align-items:stretch;gap:10px;}
  .sticky-cta__actions .btn{flex:1;}
}
@media (max-width:520px){
  body{padding-bottom:132px;}
  .hero__quick{grid-template-columns:1fr;}
  .quick-card--wide{grid-column:span 1;}
  .stat-grid{grid-template-columns:1fr 1fr;gap:14px;}
  .steps{grid-template-columns:1fr;}
  .footer-grid{grid-template-columns:1fr;}
  .nav-login,.nav-signup{padding:8px 13px;font-size:.8rem;}
  .hero__actions .btn{width:100%;}
  .fab{bottom:120px;padding:11px 14px;font-size:.78rem;}
  .backup{flex-direction:column;align-items:flex-start;}
  .backup .btn{width:100%;}
}

/* roulang page: category1 */
:root{
  --bg:#05070d;
  --bg2:#0a1220;
  --bg3:#0d1a2e;
  --panel:rgba(12,24,42,.72);
  --panel-solid:#0b1526;
  --line:rgba(56,189,248,.16);
  --line-strong:rgba(56,189,248,.36);
  --cyan:#06b6d4;
  --cyan2:#38bdf8;
  --lime:#a3e635;
  --pink:#f43f5e;
  --gold:#fbbf24;
  --text:#f8fafc;
  --muted:#93a5bd;
  --muted-2:#6b7f99;
  --radius:20px;
  --radius-lg:28px;
  --radius-sm:12px;
  --shadow:0 18px 50px rgba(2,8,23,.55);
  --glow:0 0 30px rgba(6,182,212,.28);
  --grad:linear-gradient(120deg,#06b6d4 0%,#38bdf8 48%,#a3e635 100%);
  --maxw:1180px;
}
*,*::before,*::after{box-sizing:border-box;}
html{-webkit-text-size-adjust:100%;scroll-behavior:smooth;}
body{
  margin:0;
  padding:0;
  font-family:'Be Vietnam Pro',system-ui,-apple-system,'Segoe UI',Roboto,sans-serif;
  font-size:16px;
  line-height:1.62;
  color:var(--text);
  background:
    radial-gradient(900px 520px at 12% -8%, rgba(6,182,212,.18), transparent 62%),
    radial-gradient(760px 460px at 92% 4%, rgba(163,230,53,.10), transparent 60%),
    radial-gradient(900px 600px at 50% 108%, rgba(56,189,248,.12), transparent 62%),
    var(--bg);
  overflow-x:hidden;
}
img{max-width:100%;height:auto;display:block;}
a{color:inherit;text-decoration:none;}
button{font-family:inherit;cursor:pointer;}
input,textarea,select{font-family:inherit;font-size:1rem;}
ul,ol{margin:0;padding:0;list-style:none;}
h1,h2,h3,h4{margin:0;font-weight:700;letter-spacing:-.02em;}
p{margin:0;}
:focus-visible{outline:2px solid var(--cyan2);outline-offset:3px;}
.container{width:100%;max-width:var(--maxw);margin:0 auto;padding:0 20px;}
.section{padding:76px 0;position:relative;}
.section--tight{padding:54px 0;}
.section--alt{background:linear-gradient(180deg,rgba(10,18,32,.9),rgba(5,7,13,.4));border-top:1px solid var(--line);border-bottom:1px solid var(--line);}
.section--panel{background:linear-gradient(180deg,rgba(13,26,46,.55),rgba(5,7,13,0));}
.eyebrow{
  display:inline-flex;align-items:center;gap:8px;
  font-size:.72rem;font-weight:700;letter-spacing:.16em;text-transform:uppercase;
  color:var(--cyan2);background:rgba(6,182,212,.10);
  border:1px solid var(--line-strong);border-radius:999px;padding:6px 14px;margin-bottom:16px;
}
.btn{
  display:inline-flex;align-items:center;justify-content:center;gap:10px;
  padding:14px 26px;border-radius:999px;font-weight:700;font-size:.96rem;
  border:1px solid transparent;
  transition:transform .2s ease,box-shadow .25s ease,background .25s ease,color .2s ease;
  white-space:nowrap;
}
.btn--primary{background:var(--grad);color:#04121b;box-shadow:0 10px 30px rgba(6,182,212,.32);}
.btn--primary:hover{transform:translateY(-2px);box-shadow:0 16px 40px rgba(6,182,212,.48);}
.btn--primary:active{transform:translateY(0) scale(.98);}
.btn--ghost{background:rgba(56,189,248,.06);border-color:var(--line-strong);color:var(--cyan2);}
.btn--ghost:hover{background:rgba(56,189,248,.14);color:#e6f7ff;transform:translateY(-2px);}
.btn--dark{background:rgba(255,255,255,.06);border-color:rgba(255,255,255,.14);color:var(--text);}
.btn--dark:hover{background:rgba(255,255,255,.12);}
.btn--lime{background:linear-gradient(120deg,#a3e635,#4ade80);color:#06210f;box-shadow:0 10px 28px rgba(163,230,53,.26);}
.btn--lime:hover{transform:translateY(-2px);box-shadow:0 16px 38px rgba(163,230,53,.4);}
.btn--sm{padding:10px 18px;font-size:.85rem;}
.btn--block{width:100%;}
.tag{
  display:inline-block;font-size:.68rem;font-weight:700;letter-spacing:.1em;text-transform:uppercase;
  padding:5px 11px;border-radius:999px;border:1px solid var(--line-strong);
  color:var(--cyan2);background:rgba(6,182,212,.09);
}
.tag--hot{color:#ffd9e0;border-color:rgba(244,63,94,.5);background:rgba(244,63,94,.16);}
.tag--vip{color:#fff2cf;border-color:rgba(251,191,36,.5);background:rgba(251,191,36,.16);}
.tag--lime{color:#e6ffbf;border-color:rgba(163,230,53,.45);background:rgba(163,230,53,.14);}

/* HEADER */
.site-header{
  position:sticky;top:0;z-index:60;
  background:rgba(5,7,13,.82);
  backdrop-filter:blur(16px);-webkit-backdrop-filter:blur(16px);
  border-bottom:1px solid var(--line);
}
.nav-row{display:flex;align-items:center;justify-content:space-between;gap:16px;height:72px;}
.brand{display:flex;align-items:center;gap:10px;flex-shrink:0;}
.brand__mark{
  width:38px;height:38px;border-radius:12px;display:grid;place-items:center;
  background:var(--grad);color:#04121b;font-weight:800;font-size:1.05rem;
  box-shadow:0 8px 22px rgba(6,182,212,.34);
}
.brand__text{display:flex;flex-direction:column;line-height:1.15;}
.brand__name{font-weight:800;font-size:.98rem;letter-spacing:-.2px;}
.brand__sub{font-size:.66rem;letter-spacing:.16em;text-transform:uppercase;color:var(--muted-2);}
.main-nav{display:flex;align-items:center;gap:4px;}
.main-nav a{
  position:relative;padding:9px 14px;border-radius:999px;
  font-size:.9rem;font-weight:600;color:var(--muted);
  transition:color .2s ease,background .2s ease;
}
.main-nav a:hover{color:var(--text);background:rgba(56,189,248,.09);}
.main-nav a.is-active{color:#04121b;background:var(--grad);}
.nav-actions{display:flex;align-items:center;gap:10px;}
.nav-login{
  font-size:.9rem;font-weight:600;color:var(--cyan2);
  border:1px solid var(--line-strong);border-radius:999px;padding:9px 18px;
  transition:background .2s ease,color .2s ease;
}
.nav-login:hover{background:rgba(56,189,248,.12);color:#e6f7ff;}
.nav-signup{
  font-size:.9rem;font-weight:800;color:#04121b;
  background:var(--grad);border-radius:999px;padding:10px 20px;
  box-shadow:0 8px 22px rgba(6,182,212,.32);
  transition:transform .2s ease,box-shadow .25s ease;
}
.nav-signup:hover{transform:translateY(-2px);box-shadow:0 14px 32px rgba(6,182,212,.46);}
.nav-toggle{
  display:none;background:rgba(56,189,248,.08);border:1px solid var(--line-strong);
  color:var(--cyan2);width:42px;height:42px;border-radius:12px;font-size:1.05rem;
}
.mobile-drawer{display:none;border-top:1px solid var(--line);background:rgba(8,14,26,.97);padding:14px 20px 22px;}
.mobile-drawer.is-open{display:block;}
.mobile-drawer a{display:block;padding:13px 14px;border-radius:12px;color:var(--muted);font-weight:600;font-size:.95rem;}
.mobile-drawer a.is-active{color:#04121b;background:var(--grad);}
.mobile-drawer a:hover{background:rgba(56,189,248,.10);color:var(--text);}
.drawer-actions{display:flex;gap:10px;margin-top:14px;}
.drawer-actions .btn{flex:1;}

/* HERO */
.hero{position:relative;overflow:hidden;border-bottom:1px solid var(--line);padding:56px 0 0;}
.hero__bg{position:absolute;inset:0;z-index:0;}
.hero__bg img{width:100%;height:100%;object-fit:cover;opacity:.4;}
.hero__bg::after{
  content:"";position:absolute;inset:0;
  background:
    radial-gradient(720px 420px at 14% 18%, rgba(6,182,212,.30), transparent 64%),
    radial-gradient(620px 380px at 88% 76%, rgba(163,230,53,.16), transparent 62%),
    linear-gradient(180deg,rgba(5,7,13,.74) 0%,rgba(5,7,13,.88) 58%,var(--bg) 100%);
}
.hero .container{position:relative;z-index:2;}
.hero-grid{display:grid;grid-template-columns:minmax(0,1.12fr) minmax(0,.88fr);gap:40px;align-items:center;padding-bottom:44px;}
.crumb{font-size:.8rem;color:var(--muted-2);margin-bottom:16px;display:flex;gap:8px;align-items:center;}
.crumb a{color:var(--muted);}
.crumb a:hover{color:var(--cyan2);}
.hero h1{font-size:clamp(1.85rem,4.1vw,2.95rem);line-height:1.18;margin:0 0 18px;font-weight:800;}
.hero h1 em{font-style:normal;background:var(--grad);-webkit-background-clip:text;background-clip:text;color:transparent;}
.hero__lead{color:var(--muted);font-size:1.03rem;line-height:1.7;max-width:62ch;margin:0 0 26px;}
.hero-cta{display:flex;flex-wrap:wrap;gap:12px;}
.hero-stats{display:flex;flex-wrap:wrap;gap:28px;margin-top:28px;}
.hero-stats div b{display:block;font-size:1.32rem;font-weight:800;color:var(--text);}
.hero-stats div span{font-size:.74rem;color:var(--muted-2);letter-spacing:.08em;text-transform:uppercase;}
.hero-panel{
  background:var(--panel);border:1px solid var(--line-strong);border-radius:var(--radius-lg);
  padding:26px;box-shadow:var(--shadow);backdrop-filter:blur(12px);-webkit-backdrop-filter:blur(12px);
}
.hero-panel h2{font-size:1.05rem;margin-bottom:6px;}
.hero-panel .panel-sub{color:var(--muted-2);font-size:.82rem;margin-bottom:16px;}
.panel-row{display:flex;justify-content:space-between;gap:14px;padding:11px 0;border-bottom:1px dashed rgba(56,189,248,.18);font-size:.9rem;}
.panel-row:last-of-type{border-bottom:none;}
.panel-row span{color:var(--muted);}
.panel-row b{font-weight:600;text-align:right;}
.hero-panel .btn{margin-top:18px;}
.panel-note{font-size:.76rem;color:var(--muted-2);margin-top:12px;line-height:1.6;}

/* COUNTDOWN */
.countdown{position:relative;z-index:2;border-top:1px solid var(--line);background:rgba(6,182,212,.07);}
.countdown__inner{display:flex;flex-wrap:wrap;gap:16px;align-items:center;justify-content:space-between;padding:14px 0;}
.cd-label{font-size:.92rem;color:var(--muted);max-width:52ch;}
.cd-label b{color:var(--gold);}
.cd-clock{display:flex;gap:10px;align-items:center;}
.cd-unit{min-width:58px;text-align:center;background:rgba(5,7,13,.72);border:1px solid var(--line-strong);border-radius:12px;padding:6px 10px;}
.cd-unit b{display:block;font-size:1.12rem;font-weight:800;color:#eaffff;letter-spacing:.04em;}
.cd-unit span{font-size:.6rem;letter-spacing:.12em;text-transform:uppercase;color:var(--muted-2);}

/* SECTION HEAD */
.section-head{max-width:780px;margin-bottom:34px;}
.section-head h2{font-size:clamp(1.5rem,3vw,2.1rem);line-height:1.26;margin-bottom:12px;}
.section-head p{color:var(--muted);font-size:1rem;line-height:1.7;}

/* CARDS */
.card{
  background:var(--panel);border:1px solid var(--line);border-radius:var(--radius);padding:24px;
  transition:transform .25s ease,border-color .25s ease,box-shadow .25s ease;
}
.card:hover{transform:translateY(-3px);border-color:var(--line-strong);box-shadow:var(--shadow);}
.card h3{font-size:1.05rem;margin-bottom:10px;}
.card p{color:var(--muted);font-size:.92rem;line-height:1.7;}
.card__ico{
  width:44px;height:44px;border-radius:14px;display:grid;place-items:center;
  background:rgba(6,182,212,.12);border:1px solid var(--line-strong);color:var(--cyan2);
  font-size:1.05rem;margin-bottom:14px;
}
.card__ico--lime{background:rgba(163,230,53,.12);border-color:rgba(163,230,53,.38);color:var(--lime);}
.card__ico--gold{background:rgba(251,191,36,.12);border-color:rgba(251,191,36,.38);color:var(--gold);}

/* REASONS */
.reason-grid{display:grid;grid-template-columns:1fr 1fr;gap:22px;align-items:stretch;}
.reason-feature{
  border:1px solid var(--line);border-radius:var(--radius-lg);overflow:hidden;background:var(--panel);
  display:flex;flex-direction:column;
}
.reason-feature img{width:100%;height:230px;object-fit:cover;}
.reason-feature__body{padding:26px;}
.reason-feature__body h3{font-size:1.25rem;margin-bottom:12px;}
.reason-feature__body p{color:var(--muted);font-size:.94rem;line-height:1.72;}
.reason-stack{display:grid;gap:16px;}
.tick-list{display:grid;gap:10px;margin-top:16px;}
.tick-list li{position:relative;padding-left:26px;color:var(--muted);font-size:.92rem;line-height:1.65;}
.tick-list li::before{
  content:"\f00c";font-family:"Font Awesome 6 Free";font-weight:900;
  position:absolute;left:0;top:2px;font-size:.72rem;color:var(--lime);
}

/* VERSIONS */
.version-card{
  background:var(--panel);border:1px solid var(--line);border-radius:var(--radius-lg);
  overflow:hidden;height:100%;display:flex;flex-direction:column;
  transition:border-color .25s ease,transform .25s ease,box-shadow .25s ease;
}
.version-card:hover{border-color:var(--line-strong);transform:translateY(-4px);box-shadow:var(--shadow);}
.version-card img{width:100%;height:200px;object-fit:cover;}
.version-card__body{padding:26px;display:flex;flex-direction:column;flex:1;}
.version-card__body h3{font-size:1.22rem;margin:12px 0 10px;}
.version-card__body > p{color:var(--muted);font-size:.93rem;line-height:1.7;}
.version-card .btn{margin-top:20px;}
.spec-pairs{display:grid;gap:9px;margin:18px 0 0;}
.spec-pairs div{display:flex;justify-content:space-between;gap:12px;font-size:.88rem;border-bottom:1px dashed rgba(56,189,248,.16);padding-bottom:8px;}
.spec-pairs div span{color:var(--muted-2);}
.spec-pairs div b{font-weight:600;text-align:right;}

/* STEPS */
.steps{display:grid;grid-template-columns:repeat(4,1fr);gap:18px;}
.step{
  border:1px solid var(--line);border-radius:var(--radius);padding:24px;
  background:linear-gradient(160deg,rgba(13,26,46,.85),rgba(8,14,26,.55));
}
.step__bar{height:3px;width:46px;border-radius:999px;background:var(--grad);margin-bottom:16px;}
.step__num{font-size:.72rem;font-weight:800;letter-spacing:.18em;text-transform:uppercase;color:var(--cyan2);}
.step h3{font-size:1rem;margin:8px 0 10px;}
.step p{color:var(--muted);font-size:.9rem;line-height:1.68;}

/* DEVICES */
.grid-3{display:grid;grid-template-columns:repeat(3,1fr);gap:20px;}
.grid-2{display:grid;grid-template-columns:repeat(2,1fr);gap:20px;}
.badge-row{display:flex;flex-wrap:wrap;gap:8px;margin-top:16px;}
.mini-badge{
  font-size:.74rem;font-weight:600;color:var(--muted);border:1px solid var(--line);
  border-radius:999px;padding:5px 12px;background:rgba(255,255,255,.03);
}

/* SOCIAL */
.stat-strip{display:grid;grid-template-columns:repeat(4,1fr);gap:16px;margin-bottom:26px;}
.stat{border:1px solid var(--line);border-radius:var(--radius-sm);padding:18px;background:rgba(6,182,212,.06);}
.stat b{display:block;font-size:1.5rem;font-weight:800;}
.stat span{font-size:.74rem;letter-spacing:.07em;text-transform:uppercase;color:var(--muted-2);}
.review-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:20px;}
.stars{color:var(--gold);font-size:.82rem;letter-spacing:2px;margin-bottom:10px;}
.review__who{display:flex;align-items:center;gap:10px;margin-top:18px;}
.avatar{
  width:38px;height:38px;border-radius:50%;background:var(--grad);color:#04121b;
  display:grid;place-items:center;font-weight:800;font-size:.84rem;flex-shrink:0;
}
.review__who strong{display:block;font-size:.9rem;}
.review__who small{color:var(--muted-2);font-size:.76rem;}

/* COMPARE */
.compare-wrap{overflow-x:auto;border:1px solid var(--line);border-radius:var(--radius);background:var(--panel);}
table.compare{width:100%;border-collapse:collapse;min-width:660px;}
.compare th,.compare td{padding:15px 20px;text-align:left;border-bottom:1px solid var(--line);font-size:.92rem;vertical-align:top;}
.compare thead th{background:rgba(6,182,212,.09);color:var(--cyan2);font-size:.76rem;letter-spacing:.08em;text-transform:uppercase;}
.compare tbody tr:last-child td{border-bottom:none;}
.compare td:first-child{font-weight:600;color:var(--text);}
.compare td{color:var(--muted);}
.compare td.better{color:#dcffb0;}

/* POSTS */
.post-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:20px;}
.post-card{
  display:flex;flex-direction:column;height:100%;
  background:var(--panel);border:1px solid var(--line);border-radius:var(--radius);padding:22px;
  border-top:3px solid transparent;
  background-image:linear-gradient(var(--panel),var(--panel)),var(--grad);
  background-origin:border-box;background-clip:padding-box,border-box;
  transition:transform .25s ease,border-color .25s ease,box-shadow .25s ease;
}
.post-card:hover{transform:translateY(-3px);box-shadow:var(--shadow);}
.post-card h3{font-size:1rem;line-height:1.48;margin:12px 0 10px;}
.post-card h3 a:hover{color:var(--cyan2);}
.post-card p{color:var(--muted);font-size:.9rem;line-height:1.66;margin-bottom:16px;}
.post-card__meta{
  margin-top:auto;display:flex;justify-content:space-between;gap:10px;
  font-size:.76rem;color:var(--muted-2);border-top:1px solid var(--line);padding-top:12px;
}
.list-empty{
  border:1px dashed var(--line-strong);border-radius:var(--radius);padding:28px;
  color:var(--muted);font-size:.94rem;text-align:left;background:rgba(6,182,212,.04);
}

/* FAQ */
.faq{display:grid;gap:12px;max-width:920px;}
.faq details{
  background:var(--panel);border:1px solid var(--line);border-radius:var(--radius-sm);
  padding:0 20px;transition:border-color .2s ease,background .2s ease;
}
.faq details[open]{border-color:var(--line-strong);background:rgba(12,24,42,.92);}
.faq summary{
  cursor:pointer;list-style:none;padding:17px 36px 17px 0;font-weight:600;font-size:.98rem;
  position:relative;color:var(--text);
}
.faq summary::-webkit-details-marker{display:none;}
.faq summary::after{
  content:"+";position:absolute;right:0;top:50%;transform:translateY(-50%);
  color:var(--cyan2);font-size:1.3rem;font-weight:600;line-height:1;
}
.faq details[open] summary::after{content:"–";}
.faq p{padding:0 0 18px;color:var(--muted);font-size:.93rem;line-height:1.72;max-width:80ch;}
.faq a{color:var(--cyan2);}

/* TRUST + CTA */
.trust-grid{display:grid;grid-template-columns:repeat(4,1fr);gap:16px;}
.trust-item{
  display:flex;gap:12px;align-items:flex-start;padding:18px;border-radius:var(--radius-sm);
  background:rgba(163,230,53,.05);border:1px solid rgba(163,230,53,.22);
}
.trust-item i{color:var(--lime);font-size:1rem;margin-top:3px;}
.trust-item strong{display:block;font-size:.92rem;margin-bottom:4px;}
.trust-item span{font-size:.84rem;color:var(--muted);line-height:1.6;}
.cta-band{
  margin-top:34px;border-radius:var(--radius-lg);padding:34px;
  background:linear-gradient(120deg,rgba(6,182,212,.18),rgba(163,230,53,.12));
  border:1px solid var(--line-strong);
  display:flex;flex-wrap:wrap;gap:22px;align-items:center;justify-content:space-between;
}
.cta-band h2{font-size:clamp(1.3rem,2.4vw,1.7rem);margin-bottom:10px;max-width:34ch;}
.cta-band p{color:var(--muted);font-size:.94rem;max-width:56ch;}
.cta-band__actions{display:flex;flex-wrap:wrap;gap:12px;}
.login-note{font-size:.86rem;color:var(--muted-2);margin-top:18px;}
.login-note a{color:var(--cyan2);}

/* FOOTER */
.site-footer{
  background:linear-gradient(180deg,rgba(10,18,32,.92),rgba(5,7,13,1));
  border-top:1px solid var(--line);padding:60px 0 100px;position:relative;
}
.footer-grid{display:grid;grid-template-columns:1.5fr 1fr 1fr 1.2fr;gap:32px;}
.footer-col h4{font-size:.95rem;margin-bottom:14px;}
.footer-col p{color:var(--muted);font-size:.9rem;line-height:1.7;margin-bottom:14px;}
.footer-col ul{display:grid;gap:9px;}
.footer-col ul a{color:var(--muted);font-size:.9rem;transition:color .2s ease;}
.footer-col ul a:hover{color:var(--cyan2);}
.footer-pay{display:flex;flex-wrap:wrap;gap:8px;margin-top:12px;}
.pay-badge{
  font-size:.74rem;font-weight:700;padding:6px 12px;border-radius:999px;
  border:1px solid var(--line-strong);color:var(--cyan2);background:rgba(6,182,212,.08);
}
.age-badge{
  display:inline-flex;align-items:center;justify-content:center;width:44px;height:44px;
  border-radius:12px;border:1px solid rgba(251,191,36,.42);color:var(--gold);
  font-weight:800;background:rgba(251,191,36,.08);
}
.footer-bottom{
  display:flex;flex-wrap:wrap;gap:10px;justify-content:space-between;
  border-top:1px solid var(--line);margin-top:34px;padding-top:20px;
  color:var(--muted-2);font-size:.82rem;
}

/* FIXED BAR + FAB */
.mobile-cta-bar{
  position:fixed;left:0;right:0;bottom:0;z-index:55;
  background:rgba(5,7,13,.95);backdrop-filter:blur(16px);-webkit-backdrop-filter:blur(16px);
  border-top:1px solid var(--line-strong);
}
.mobile-cta-bar .inner{
  max-width:var(--maxw);margin:0 auto;padding:10px 20px;
  display:flex;align-items:center;gap:14px;justify-content:space-between;
}
.mobile-cta-bar .txt{font-size:.82rem;color:var(--muted-2);line-height:1.35;}
.mobile-cta-bar .txt b{display:block;color:var(--text);font-size:.92rem;}
.mca-actions{display:flex;gap:10px;flex-shrink:0;}
.fab-support{
  position:fixed;left:16px;bottom:96px;z-index:50;
  display:inline-flex;align-items:center;gap:10px;
  min-height:56px;padding:8px 18px 8px 8px;border-radius:999px;
  background:rgba(7,7,13,.82);backdrop-filter:blur(12px);-webkit-backdrop-filter:blur(12px);
  border:1px solid var(--line-strong);
  opacity:.78;
  animation:fabPulse 3.4s ease-in-out infinite;
  transition:opacity .25s ease,transform .25s ease,box-shadow .25s ease;
}
.fab-support__ico{
  width:40px;height:40px;border-radius:50%;display:grid;place-items:center;
  background:linear-gradient(120deg,#06b6d4,#a3e635);color:#04121b;font-size:1rem;
  transition:transform .45s cubic-bezier(.34,1.56,.64,1);
}
.fab-support__txt{display:flex;flex-direction:column;line-height:1.2;}
.fab-support__txt strong{font-size:.82rem;color:var(--text);}
.fab-support__txt small{font-size:.7rem;color:var(--muted-2);}
.fab-support__dot{
  position:absolute;top:4px;right:6px;width:9px;height:9px;border-radius:50%;
  background:var(--pink);box-shadow:0 0 0 2px rgba(5,7,13,.9);animation:dotBlink 1.6s ease-in-out infinite;
}
.fab-support:hover{opacity:1;transform:scale(1.06);box-shadow:0 0 30px rgba(6,182,212,.6);}
.fab-support:hover .fab-support__ico{transform:rotate(360deg);}
.fab-support:active{transform:scale(.95) translateY(3px);}
@keyframes fabPulse{
  0%,100%{box-shadow:0 0 18px rgba(6,182,212,.38);}
  50%{box-shadow:0 0 30px rgba(163,230,53,.55);}
}
@keyframes dotBlink{0%,100%{opacity:1;}50%{opacity:.25;}}

/* RESPONSIVE */
@media (max-width:1024px){
  .main-nav{display:none;}
  .nav-toggle{display:grid;place-items:center;}
  .hero-grid{grid-template-columns:1fr;gap:30px;}
  .reason-grid{grid-template-columns:1fr;}
  .grid-3,.review-grid,.post-grid,.trust-grid,.stat-strip{grid-template-columns:repeat(2,1fr);}
  .steps{grid-template-columns:repeat(2,1fr);}
  .footer-grid{grid-template-columns:repeat(2,1fr);gap:26px;}
}
@media (max-width:768px){
  .section{padding:56px 0;}
  .hero{padding-top:38px;}
  .grid-2,.grid-3,.review-grid,.post-grid,.trust-grid,.stat-strip,.steps{grid-template-columns:1fr;}
  .footer-grid{grid-template-columns:1fr;}
  .cta-band{padding:26px;}
  .reason-feature img{height:190px;}
  .hero-stats{gap:20px;}
}
@media (max-width:520px){
  .container{padding:0 16px;}
  .brand__name{font-size:.88rem;}
  .brand__sub{display:none;}
  .nav-login{padding:8px 12px;font-size:.82rem;}
  .nav-signup{padding:9px 14px;font-size:.82rem;}
  .hero-cta .btn{width:100%;}
  .mobile-cta-bar .txt{display:none;}
  .mca-actions{width:100%;}
  .mca-actions .btn{flex:1;}
  .cd-unit{min-width:50px;padding:5px 8px;}
  .fab-support{bottom:104px;left:12px;padding:7px 14px 7px 7px;}
  .fab-support__txt small{display:none;}
}