/* roulang page: index */
:root{
  --bg:#030712;
  --bg-2:#081229;
  --bg-3:#0A1834;
  --glass:rgba(13,30,60,.62);
  --glass-2:rgba(9,21,44,.86);
  --stroke:rgba(56,189,248,.18);
  --stroke-2:rgba(56,189,248,.42);
  --blue:#2563EB;
  --cyan:#38BDF8;
  --holo:#60A5FA;
  --text:#F8FAFC;
  --muted:#94A3B8;
  --dim:#64748B;
  --gold:#FCD34D;
  --green:#34D399;
  --rose:#FB7185;
  --r-sm:12px;
  --r:18px;
  --r-lg:26px;
  --shadow:0 22px 48px rgba(2,8,23,.6);
  --glow:0 0 24px rgba(56,189,248,.32);
  --maxw:1180px;
}
*,*::before,*::after{box-sizing:border-box}
html{scroll-behavior:smooth}
body{
  margin:0;
  font-family:"Inter","Segoe UI",system-ui,-apple-system,"Helvetica Neue",Arial,sans-serif;
  background:var(--bg);
  color:var(--text);
  line-height:1.65;
  font-size:16px;
  -webkit-font-smoothing:antialiased;
  overflow-x:hidden;
}
img{max-width:100%;height:auto;display:block}
a{color:inherit;text-decoration:none}
button{font:inherit;cursor:pointer;border:0;background:none;color:inherit}
ul,ol{margin:0;padding:0;list-style:none}
h1,h2,h3,h4,p{margin:0}
h1,h2,h3,h4{line-height:1.25;letter-spacing:-.01em}
:focus-visible{outline:2px solid var(--cyan);outline-offset:3px;border-radius:6px}

.container{width:100%;max-width:var(--maxw);margin:0 auto;padding:0 20px}
.section{padding:88px 0;position:relative}
.section--alt{background:linear-gradient(180deg,rgba(8,18,41,.85) 0%,rgba(3,7,18,.9) 100%);border-top:1px solid rgba(56,189,248,.08);border-bottom:1px solid rgba(56,189,248,.08)}
.section--glow::before{
  content:"";position:absolute;inset:0;pointer-events:none;
  background:radial-gradient(600px 240px at 15% 0%,rgba(37,99,235,.22),transparent 70%);
}

.sec-head{max-width:760px;margin-bottom:38px;text-align:left}
.sec-head--wide{max-width:900px}
.eyebrow{
  display:inline-flex;align-items:center;gap:8px;
  font-size:.72rem;font-weight:700;letter-spacing:.14em;text-transform:uppercase;
  color:var(--cyan);background:rgba(56,189,248,.08);
  border:1px solid var(--stroke);border-radius:999px;padding:6px 14px;margin-bottom:16px;
}
.sec-title{font-size:clamp(1.5rem,3.2vw,2.15rem);font-weight:800;margin-bottom:14px}
.sec-title span{color:var(--cyan)}
.sec-sub{color:var(--muted);font-size:1.02rem;max-width:820px}

/* ---------- HEADER ---------- */
.site-header{
  position:fixed;top:0;left:0;right:0;z-index:80;
  background:rgba(3,7,18,.82);
  backdrop-filter:blur(16px);-webkit-backdrop-filter:blur(16px);
  border-bottom:1px solid rgba(56,189,248,.14);
  transition:box-shadow .3s ease,background .3s ease;
}
.site-header.is-scrolled{box-shadow:0 12px 34px rgba(2,8,23,.65);background:rgba(3,7,18,.94)}
.nav-wrap{display:flex;align-items:center;justify-content:space-between;gap:16px;height:72px}
.brand{display:flex;align-items:center;gap:11px;flex-shrink:0}
.brand-mark{
  width:40px;height:40px;flex:0 0 40px;border-radius:12px;
  display:grid;place-items:center;
  background:linear-gradient(140deg,var(--blue),var(--cyan));
  font-weight:900;font-size:.92rem;color:#04101f;
  box-shadow:0 0 20px rgba(56,189,248,.4);
}
.brand-text{display:flex;flex-direction:column;line-height:1.15}
.brand-text strong{font-size:.94rem;font-weight:800;letter-spacing:-.01em}
.brand-text em{font-style:normal;font-size:.68rem;color:var(--cyan);letter-spacing:.06em;text-transform:uppercase}
.main-nav{display:flex;align-items:center;gap:4px}
.nav-link{
  padding:9px 14px;border-radius:10px;font-size:.9rem;font-weight:600;color:var(--muted);
  transition:color .22s ease,background .22s ease;
}
.nav-link:hover{color:var(--text);background:rgba(56,189,248,.09)}
.nav-link.is-active{color:var(--cyan);background:rgba(56,189,248,.12);box-shadow:inset 0 0 0 1px rgba(56,189,248,.28)}
.nav-actions{display:flex;align-items:center;gap:10px}
.nav-toggle{
  display:none;width:44px;height:44px;border-radius:12px;
  border:1px solid var(--stroke);background:rgba(56,189,248,.07);
  color:var(--text);font-size:1.05rem;
}
.nav-toggle:hover{background:rgba(56,189,248,.15)}

/* ---------- BUTTONS ---------- */
.btn{
  display:inline-flex;align-items:center;justify-content:center;gap:9px;
  padding:13px 24px;border-radius:999px;font-weight:700;font-size:.94rem;
  transition:transform .2s ease,box-shadow .25s ease,background .25s ease,color .25s ease,border-color .25s ease;
  white-space:nowrap;
}
.btn-primary{
  background:linear-gradient(135deg,var(--blue),var(--cyan));
  color:#04101f;box-shadow:0 10px 28px rgba(37,99,235,.42),0 0 22px rgba(56,189,248,.35);
}
.btn-primary:hover{transform:translateY(-2px);box-shadow:0 16px 36px rgba(37,99,235,.55),0 0 30px rgba(56,189,248,.5);color:#04101f}
.btn-primary:active{transform:translateY(0) scale(.98)}
.btn-outline{
  border:1px solid var(--stroke-2);color:var(--text);background:rgba(56,189,248,.06);
}
.btn-outline:hover{background:rgba(56,189,248,.16);transform:translateY(-2px);color:var(--text)}
.btn-ghost{
  padding:10px 16px;border-radius:999px;font-size:.88rem;font-weight:700;color:var(--cyan);
  border:1px solid transparent;background:transparent;
}
.btn-ghost:hover{border-color:var(--stroke-2);background:rgba(56,189,248,.08)}
.btn-sm{padding:10px 18px;font-size:.86rem}
.btn-block{width:100%}

/* ---------- HERO ---------- */
.hero{
  position:relative;padding:150px 0 84px;overflow:hidden;
  background:
    linear-gradient(180deg,rgba(3,7,18,.86) 0%,rgba(3,7,18,.94) 60%,var(--bg) 100%),
    url('/assets/images/24acc5f7d298e034.jpg') center/cover no-repeat;
}
.hero::after{
  content:"";position:absolute;inset:0;pointer-events:none;
  background:
    radial-gradient(520px 320px at 82% 12%,rgba(56,189,248,.20),transparent 70%),
    radial-gradient(420px 260px at 8% 82%,rgba(37,99,235,.20),transparent 72%);
}
.hero-inner{position:relative;z-index:2;display:grid;grid-template-columns:1.08fr .92fr;gap:52px;align-items:start}
.hero-copy h1{
  font-size:clamp(1.85rem,4.1vw,2.9rem);font-weight:900;letter-spacing:-.02em;margin-bottom:18px;
}
.hero-lead{color:#CBD5E1;font-size:1.03rem;line-height:1.7;max-width:640px;margin-bottom:26px}
.hero-cta{display:flex;flex-wrap:wrap;gap:12px;margin-bottom:24px}
.hero-tags{display:flex;flex-wrap:wrap;gap:9px}
.hero-tags li{
  font-size:.79rem;font-weight:600;color:var(--holo);
  border:1px solid var(--stroke);background:rgba(37,99,235,.12);
  border-radius:999px;padding:6px 13px;
}
.hero-compare{display:grid;gap:16px}
.compare-card{
  border-radius:var(--r);padding:22px 22px 20px;
  background:var(--glass);border:1px solid var(--stroke);
  backdrop-filter:blur(12px);-webkit-backdrop-filter:blur(12px);
  box-shadow:var(--shadow);
}
.compare-card.after{border-color:rgba(52,211,153,.35);background:linear-gradient(160deg,rgba(16,185,129,.13),rgba(9,21,44,.78))}
.compare-card.before{border-color:rgba(251,113,133,.28);background:linear-gradient(160deg,rgba(251,113,133,.10),rgba(9,21,44,.78))}
.compare-label{
  display:inline-flex;align-items:center;gap:8px;font-size:.74rem;font-weight:800;
  letter-spacing:.12em;text-transform:uppercase;margin-bottom:14px;
}
.compare-card.before .compare-label{color:var(--rose)}
.compare-card.after .compare-label{color:var(--green)}
.compare-card li{
  position:relative;padding-left:24px;margin-bottom:10px;font-size:.92rem;color:#CBD5E1;
}
.compare-card li:last-child{margin-bottom:0}
.compare-card.before li::before{content:"\f00d";font-family:"Font Awesome 6 Free";font-weight:900;position:absolute;left:0;top:1px;color:var(--rose);font-size:.78rem}
.compare-card.after li::before{content:"\f00c";font-family:"Font Awesome 6 Free";font-weight:900;position:absolute;left:0;top:1px;color:var(--green);font-size:.78rem}

/* ---------- STATS STRIP ---------- */
.stats-strip{
  border-top:1px solid var(--stroke);border-bottom:1px solid var(--stroke);
  background:linear-gradient(90deg,rgba(8,18,41,.9),rgba(10,24,52,.72));
  padding:26px 0;
}
.stats-grid{display:grid;grid-template-columns:repeat(4,1fr);gap:18px}
.stat-item{padding:6px 4px;border-left:2px solid rgba(56,189,248,.35);padding-left:16px}
.stat-item b{display:block;font-size:1.6rem;font-weight:900;color:var(--cyan);line-height:1.2}
.stat-item span{font-size:.86rem;color:var(--muted)}

/* ---------- GLASS CARDS ---------- */
.card{
  background:var(--glass);border:1px solid var(--stroke);border-radius:var(--r);
  padding:26px;backdrop-filter:blur(10px);-webkit-backdrop-filter:blur(10px);
  transition:transform .28s ease,border-color .28s ease,box-shadow .28s ease;
}
.card:hover{transform:translateY(-4px);border-color:var(--stroke-2);box-shadow:var(--glow),var(--shadow)}
.card-icon{
  width:46px;height:46px;border-radius:13px;display:grid;place-items:center;margin-bottom:16px;
  background:linear-gradient(140deg,rgba(37,99,235,.4),rgba(56,189,248,.22));
  border:1px solid var(--stroke-2);color:var(--cyan);font-size:1.05rem;
}
.card h3{font-size:1.06rem;font-weight:800;margin-bottom:10px}
.card p{color:var(--muted);font-size:.93rem}
.grid-gap{margin-top:-16px}
.grid-gap > .cell{padding-top:16px}

/* ---------- CAPITAL MANAGEMENT ---------- */
.von-layout{display:grid;grid-template-columns:1fr 1fr;gap:34px;align-items:start}
.von-block{
  border-left:2px solid rgba(56,189,248,.32);padding-left:20px;margin-bottom:30px;
}
.von-block:last-child{margin-bottom:0}
.von-block h3{font-size:1.04rem;font-weight:800;margin-bottom:10px;color:#E2E8F0}
.von-block p{color:var(--muted);font-size:.94rem}
.von-aside{
  background:var(--glass-2);border:1px solid var(--stroke);border-radius:var(--r-lg);
  padding:28px;box-shadow:var(--shadow);
}
.von-aside h3{font-size:1.1rem;font-weight:800;margin-bottom:18px}
.von-step{display:flex;gap:14px;padding:14px 0;border-bottom:1px dashed rgba(56,189,248,.16)}
.von-step:last-child{border-bottom:0;padding-bottom:0}
.von-step b{
  flex:0 0 30px;height:30px;border-radius:9px;display:grid;place-items:center;
  background:rgba(56,189,248,.14);color:var(--cyan);font-size:.82rem;font-weight:800;
}
.von-step div p{font-size:.9rem;color:var(--muted);margin-top:4px}
.von-step div strong{font-size:.94rem}

/* ---------- CẦU TYPES ---------- */
.cau-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:20px}
.cau-card{
  border:1px solid var(--stroke);border-radius:var(--r);overflow:hidden;
  background:var(--glass);transition:border-color .28s ease,transform .28s ease;
}
.cau-card:hover{border-color:var(--stroke-2);transform:translateY(-4px)}
.cau-thumb{position:relative;aspect-ratio:16/9;overflow:hidden;background:#0B1730}
.cau-thumb img{width:100%;height:100%;object-fit:cover;opacity:.82;transition:transform .5s ease,opacity .3s ease}
.cau-card:hover .cau-thumb img{transform:scale(1.06);opacity:1}
.cau-body{padding:20px}
.cau-body h3{font-size:1rem;font-weight:800;margin-bottom:9px}
.cau-body p{font-size:.89rem;color:var(--muted)}
.tag{
  display:inline-block;font-size:.7rem;font-weight:800;letter-spacing:.1em;text-transform:uppercase;
  padding:4px 10px;border-radius:999px;margin-bottom:10px;
  background:rgba(56,189,248,.14);color:var(--cyan);border:1px solid var(--stroke);
}
.tag--gold{background:rgba(252,211,77,.12);color:var(--gold);border-color:rgba(252,211,77,.3)}
.tag--green{background:rgba(52,211,153,.12);color:var(--green);border-color:rgba(52,211,153,.3)}

/* ---------- ƯU ĐÃI LADDER ---------- */
.ladder{display:grid;grid-template-columns:repeat(4,1fr);gap:18px}
.ladder-item{
  position:relative;padding:26px 20px;border-radius:var(--r);
  background:linear-gradient(180deg,rgba(10,24,52,.85),rgba(8,18,41,.65));
  border:1px solid var(--stroke);
  transition:transform .28s ease,border-color .28s ease;
}
.ladder-item:hover{transform:translateY(-5px);border-color:var(--stroke-2)}
.ladder-item .lv{font-size:.72rem;font-weight:800;letter-spacing:.14em;color:var(--holo);text-transform:uppercase}
.ladder-item b{display:block;font-size:1.3rem;font-weight:900;margin:10px 0 4px;color:var(--text)}
.ladder-item .ladder-cap{font-size:.8rem;color:var(--cyan);margin-bottom:14px;font-weight:700}
.ladder-item ul li{font-size:.86rem;color:var(--muted);padding-left:18px;position:relative;margin-bottom:8px}
.ladder-item ul li::before{content:"\f0da";font-family:"Font Awesome 6 Free";font-weight:900;position:absolute;left:0;color:var(--cyan);font-size:.72rem;top:3px}
.ladder-item.is-top{border-color:rgba(252,211,77,.42);background:linear-gradient(180deg,rgba(252,211,77,.10),rgba(8,18,41,.8))}
.ladder-item.is-top .lv,.ladder-item.is-top .ladder-cap{color:var(--gold)}

/* ---------- SO SÁNH BẢNG ---------- */
.table-wrap{overflow-x:auto;border:1px solid var(--stroke);border-radius:var(--r);background:var(--glass-2)}
table.cmp{width:100%;border-collapse:collapse;min-width:640px}
table.cmp th,table.cmp td{padding:16px 18px;text-align:left;font-size:.9rem;border-bottom:1px solid rgba(56,189,248,.1)}
table.cmp thead th{
  font-size:.76rem;letter-spacing:.1em;text-transform:uppercase;color:var(--cyan);
  background:rgba(37,99,235,.16);font-weight:800;
}
table.cmp tbody td{color:var(--muted)}
table.cmp tbody td:first-child{color:var(--text);font-weight:700}
table.cmp tbody tr:last-child td{border-bottom:0}
table.cmp tbody tr:hover td{background:rgba(56,189,248,.05)}

/* ---------- COUNTDOWN ---------- */
.limit-box{
  display:grid;grid-template-columns:1.1fr .9fr;gap:34px;align-items:center;
  border:1px solid var(--stroke-2);border-radius:var(--r-lg);padding:38px;
  background:
    linear-gradient(140deg,rgba(37,99,235,.22),rgba(8,18,41,.9)),
    url('/assets/images/1700f3b5690b8d12.jpg') center/cover no-repeat;
  box-shadow:var(--shadow);
}
.limit-box h2{font-size:clamp(1.35rem,2.6vw,1.85rem);font-weight:900;margin-bottom:12px}
.limit-box p{color:#CBD5E1;font-size:.95rem;margin-bottom:22px}
.countdown{display:flex;gap:12px;flex-wrap:wrap}
.cd-cell{
  min-width:78px;text-align:center;padding:14px 10px;border-radius:14px;
  background:rgba(3,7,18,.72);border:1px solid var(--stroke);
}
.cd-cell b{display:block;font-size:1.5rem;font-weight:900;color:var(--cyan);line-height:1.1}
.cd-cell span{font-size:.72rem;color:var(--muted);letter-spacing:.08em;text-transform:uppercase}

/* ---------- HOT LIST ---------- */
.hot-list{counter-reset:hot;display:grid;gap:14px}
.hot-item{
  display:flex;gap:18px;align-items:flex-start;padding:20px 22px;border-radius:var(--r);
  background:var(--glass);border:1px solid var(--stroke);transition:border-color .25s ease,transform .25s ease;
}
.hot-item:hover{border-color:var(--stroke-2);transform:translateX(5px)}
.hot-item::before{
  counter-increment:hot;content:counter(hot,decimal-leading-zero);
  flex:0 0 44px;height:44px;border-radius:12px;display:grid;place-items:center;
  font-weight:900;font-size:.94rem;color:#04101f;
  background:linear-gradient(140deg,var(--cyan),var(--blue));
}
.hot-item h3{font-size:1rem;font-weight:800;margin-bottom:6px}
.hot-item p{font-size:.9rem;color:var(--muted)}
.hot-item .hot-meta{margin-left:auto;font-size:.78rem;color:var(--holo);font-weight:700;white-space:nowrap;padding-top:4px}

/* ---------- CHUYÊN MỤC ---------- */
.topic-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:20px}
.topic-card{
  display:block;padding:28px 24px;border-radius:var(--r);
  background:linear-gradient(160deg,rgba(37,99,235,.16),rgba(8,18,41,.85));
  border:1px solid var(--stroke);transition:transform .28s ease,border-color .28s ease,box-shadow .28s ease;
}
.topic-card:hover{transform:translateY(-5px);border-color:var(--stroke-2);box-shadow:var(--glow)}
.topic-card i{font-size:1.35rem;color:var(--cyan);margin-bottom:14px;display:block}
.topic-card h3{font-size:1.05rem;font-weight:800;margin-bottom:9px}
.topic-card p{font-size:.89rem;color:var(--muted);margin-bottom:14px}
.topic-card span{font-size:.82rem;font-weight:700;color:var(--cyan)}

/* ---------- SCENARIO ---------- */
.scenario{display:grid;grid-template-columns:repeat(2,1fr);gap:18px}
.scenario-item{
  padding:24px;border-radius:var(--r);border:1px solid var(--stroke);
  background:rgba(9,21,44,.7);
}
.scenario-item h3{font-size:1rem;font-weight:800;margin-bottom:8px;display:flex;align-items:center;gap:9px}
.scenario-item h3 i{color:var(--cyan);font-size:.9rem}
.scenario-item p{font-size:.9rem;color:var(--muted)}

/* ---------- 3 BƯỚC ---------- */
.steps{display:grid;grid-template-columns:repeat(3,1fr);gap:22px}
.step{
  position:relative;padding:30px 24px 26px;border-radius:var(--r);
  border:1px solid var(--stroke);background:var(--glass-2);
}
.step b.num{
  position:absolute;top:-16px;left:24px;width:36px;height:36px;border-radius:11px;
  display:grid;place-items:center;font-size:.9rem;font-weight:900;color:#04101f;
  background:linear-gradient(140deg,var(--cyan),var(--blue));box-shadow:0 8px 20px rgba(37,99,235,.45);
}
.step h3{font-size:1rem;font-weight:800;margin:12px 0 9px}
.step p{font-size:.9rem;color:var(--muted)}

/* ---------- ĐÁNH GIÁ ---------- */
.review-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:20px}
.review{
  padding:26px 24px;border-radius:var(--r);border:1px solid var(--stroke);
  background:linear-gradient(180deg,rgba(10,24,52,.8),rgba(8,18,41,.6));
  display:flex;flex-direction:column;gap:14px;
}
.review .stars{color:var(--gold);font-size:.82rem;letter-spacing:2px}
.review p{font-size:.92rem;color:#CBD5E1;flex:1}
.review .who{display:flex;align-items:center;gap:11px;border-top:1px dashed rgba(56,189,248,.16);padding-top:14px}
.review .who b{
  width:36px;height:36px;border-radius:50%;display:grid;place-items:center;
  background:rgba(56,189,248,.16);color:var(--cyan);font-size:.82rem;font-weight:800;
}
.review .who span{font-size:.85rem;font-weight:700}
.review .who em{display:block;font-style:normal;font-size:.75rem;color:var(--dim)}

/* ---------- TRUST STRIP ---------- */
.trust-strip{
  border-top:1px solid var(--stroke);border-bottom:1px solid var(--stroke);
  background:rgba(8,18,41,.72);padding:34px 0;
}
.trust-grid{display:grid;grid-template-columns:repeat(4,1fr);gap:20px}
.trust-item{display:flex;gap:13px;align-items:flex-start}
.trust-item i{font-size:1.15rem;color:var(--cyan);margin-top:3px}
.trust-item strong{display:block;font-size:.93rem;font-weight:800;margin-bottom:4px}
.trust-item span{font-size:.83rem;color:var(--muted)}

/* ---------- NEWS ---------- */
.news-layout{display:grid;grid-template-columns:1.55fr 1fr;gap:30px;align-items:start}
.news-main{display:grid;gap:16px}
.news-card{
  display:grid;grid-template-columns:190px 1fr;gap:20px;padding:18px;
  border-radius:var(--r);border:1px solid var(--stroke);background:var(--glass);
  transition:border-color .26s ease,transform .26s ease;
}
.news-card:hover{border-color:var(--stroke-2);transform:translateY(-3px)}
.news-card .thumb{border-radius:var(--r-sm);overflow:hidden;aspect-ratio:16/10;background:#0B1730}
.news-card .thumb img{width:100%;height:100%;object-fit:cover}
.news-card h3{font-size:1rem;font-weight:800;margin-bottom:8px}
.news-card h3 a:hover{color:var(--cyan)}
.news-card p{font-size:.88rem;color:var(--muted);margin-bottom:10px}
.news-meta{display:flex;gap:14px;flex-wrap:wrap;font-size:.77rem;color:var(--dim)}
.news-meta i{color:var(--holo);margin-right:5px}
.news-side{
  border:1px solid var(--stroke);border-radius:var(--r);background:var(--glass-2);padding:24px;
}
.news-side h3{font-size:1rem;font-weight:800;margin-bottom:16px;display:flex;align-items:center;gap:9px}
.news-side h3 i{color:var(--cyan)}
.news-side li{padding:13px 0;border-bottom:1px dashed rgba(56,189,248,.14)}
.news-side li:last-child{border-bottom:0;padding-bottom:0}
.news-side li a{font-size:.9rem;font-weight:600;display:block;margin-bottom:5px}
.news-side li a:hover{color:var(--cyan)}
.news-side li span{font-size:.76rem;color:var(--dim)}
.empty-note{color:var(--muted);font-size:.92rem;padding:18px 0}
.see-all{display:inline-flex;align-items:center;gap:8px;font-size:.88rem;font-weight:700;color:var(--cyan);margin-top:6px}
.see-all:hover{color:var(--text)}

/* ---------- CTA ---------- */
.cta-box{
  border-radius:var(--r-lg);padding:46px 40px;text-align:center;
  border:1px solid var(--stroke-2);
  background:
    linear-gradient(150deg,rgba(37,99,235,.28),rgba(8,18,41,.92)),
    url('/assets/images/91a7f2bf351b6618.jpg') center/cover no-repeat;
  box-shadow:var(--shadow);
}
.cta-box h2{font-size:clamp(1.4rem,3vw,2rem);font-weight:900;margin-bottom:14px}
.cta-box p{color:#CBD5E1;max-width:640px;margin:0 auto 26px;font-size:.98rem}
.cta-actions{display:flex;gap:14px;justify-content:center;flex-wrap:wrap}
.cta-note{margin-top:20px;font-size:.82rem;color:var(--dim)}

/* ---------- FOOTER ---------- */
.site-footer{
  background:linear-gradient(180deg,rgba(6,14,33,.96),rgba(3,7,18,1));
  border-top:1px solid var(--stroke);padding:64px 0 26px;
}
.footer-top{padding-bottom:36px;border-bottom:1px solid rgba(56,189,248,.12)}
.footer-brand{display:flex;align-items:center;gap:11px;margin-bottom:16px}
.footer-about{font-size:.89rem;color:var(--muted);max-width:360px}
.footer-col h4{
  font-size:.76rem;font-weight:800;letter-spacing:.13em;text-transform:uppercase;
  color:var(--cyan);margin-bottom:16px;
}
.footer-col li{margin-bottom:11px}
.footer-col li a{font-size:.89rem;color:var(--muted);transition:color .2s ease}
.footer-col li a:hover{color:var(--cyan)}
.footer-contact li{font-size:.89rem;color:var(--muted);display:flex;gap:10px;align-items:flex-start;margin-bottom:11px}
.footer-contact li i{color:var(--holo);margin-top:4px;font-size:.82rem}
.footer-bottom{padding-top:22px;display:flex;justify-content:space-between;gap:16px;flex-wrap:wrap}
.footer-bottom p{font-size:.8rem;color:var(--dim)}
.footer-badges{display:flex;gap:10px;flex-wrap:wrap}
.footer-badges span{
  font-size:.72rem;font-weight:700;color:var(--muted);
  border:1px solid rgba(56,189,248,.16);border-radius:999px;padding:5px 12px;
}

/* ---------- FAB ---------- */
.fab{
  position:fixed;left:16px;bottom:96px;z-index:70;
  display:inline-flex;align-items:center;gap:10px;
  padding:10px 18px 10px 10px;border-radius:999px;
  background:rgba(7,7,13,.82);backdrop-filter:blur(14px);-webkit-backdrop-filter:blur(14px);
  border:1px solid transparent;
  background-image:linear-gradient(rgba(7,7,13,.9),rgba(7,7,13,.9)),linear-gradient(120deg,#2563EB,#38BDF8,#A3E635);
  background-origin:border-box;background-clip:padding-box,border-box;
  box-shadow:0 0 22px rgba(6,182,212,.42);
  opacity:.85;transition:opacity .25s ease,transform .25s ease,box-shadow .25s ease;
  animation:fabPulse 3.2s ease-in-out infinite;
}
.fab:hover{opacity:1;transform:scale(1.04);box-shadow:0 0 32px rgba(6,182,212,.62)}
.fab:active{transform:scale(.96)}
.fab-icon{
  width:36px;height:36px;border-radius:50%;display:grid;place-items:center;flex:0 0 36px;
  background:linear-gradient(140deg,var(--blue),var(--cyan));color:#04101f;font-size:.9rem;
  transition:transform .45s ease;
}
.fab:hover .fab-icon{transform:rotate(360deg)}
.fab-text{font-size:.84rem;font-weight:800;color:#E2E8F0;white-space:nowrap}
.fab-dot{
  position:absolute;top:2px;right:6px;width:10px;height:10px;border-radius:50%;
  background:#F43F5E;box-shadow:0 0 0 2px rgba(255,255,255,.85);
  animation:dotBlink 1.4s ease-in-out infinite;
}
@keyframes fabPulse{0%,100%{box-shadow:0 0 20px rgba(6,182,212,.35)}50%{box-shadow:0 0 30px rgba(6,182,212,.6)}}
@keyframes dotBlink{0%,100%{opacity:1}50%{opacity:.35}}

/* ---------- RESPONSIVE ---------- */
@media (max-width:1024px){
  .hero-inner{grid-template-columns:1fr;gap:40px}
  .von-layout{grid-template-columns:1fr;gap:30px}
  .cau-grid,.topic-grid,.review-grid,.steps{grid-template-columns:repeat(2,1fr)}
  .ladder{grid-template-columns:repeat(2,1fr)}
  .news-layout{grid-template-columns:1fr}
  .limit-box{grid-template-columns:1fr;padding:32px}
  .stats-grid,.trust-grid{grid-template-columns:repeat(2,1fr);gap:22px}
  .main-nav{
    position:absolute;top:72px;left:0;right:0;
    flex-direction:column;align-items:stretch;gap:2px;
    background:rgba(4,10,24,.98);border-bottom:1px solid var(--stroke);
    padding:14px 20px 20px;display:none;
  }
  .main-nav.is-open{display:flex}
  .nav-link{padding:13px 14px;font-size:.95rem}
  .nav-toggle{display:grid;place-items:center}
}
@media (max-width:768px){
  .section{padding:64px 0}
  .hero{padding:124px 0 60px}
  .cau-grid,.topic-grid,.review-grid,.steps,.scenario{grid-template-columns:1fr}
  .ladder{grid-template-columns:1fr}
  .news-card{grid-template-columns:1fr}
  .news-card .thumb{aspect-ratio:16/9}
  .cta-box{padding:34px 22px}
  .fab{bottom:84px;left:12px}
  .fab-text{display:none}
  .fab{padding:9px;border-radius:50%}
}
@media (max-width:520px){
  .container{padding:0 16px}
  .stats-grid,.trust-grid{grid-template-columns:1fr}
  .hero-copy h1{font-size:1.65rem}
  .brand-text strong{font-size:.85rem}
  .brand-text em{font-size:.62rem}
  .btn{padding:12px 18px;font-size:.88rem}
  .btn-ghost{padding:9px 12px;font-size:.82rem}
  .btn-sm{padding:9px 14px;font-size:.82rem}
  .nav-wrap{gap:8px}
  .nav-actions{gap:6px}
  .countdown{gap:8px}
  .cd-cell{min-width:64px;padding:11px 8px}
}

/* roulang page: article */
:root{
  --bg:#030712;
  --bg-2:#081229;
  --bg-3:#0A1834;
  --glass:rgba(13,30,60,.62);
  --glass-2:rgba(9,21,44,.86);
  --stroke:rgba(56,189,248,.18);
  --stroke-2:rgba(56,189,248,.42);
  --blue:#2563EB;
  --cyan:#38BDF8;
  --holo:#60A5FA;
  --text:#F8FAFC;
  --muted:#94A3B8;
  --dim:#64748B;
  --gold:#FCD34D;
  --green:#34D399;
  --rose:#FB7185;
  --r-sm:12px;
  --r:18px;
  --r-lg:26px;
  --shadow:0 22px 48px rgba(2,8,23,.6);
  --glow:0 0 24px rgba(56,189,248,.32);
  --maxw:1180px;
}
*{box-sizing:border-box}
html{scroll-behavior:smooth}
body{
  margin:0;
  font-family:"Inter","Segoe UI",system-ui,-apple-system,"Helvetica Neue",Arial,sans-serif;
  background:var(--bg);
  color:var(--text);
  line-height:1.65;
  font-size:16px;
  -webkit-font-smoothing:antialiased;
  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}
p{margin:0 0 16px}
button{font:inherit;cursor:pointer;border:0;background:none;color:inherit}
h1,h2,h3,h4{margin:0;line-height:1.25}
:focus-visible{outline:2px solid var(--cyan);outline-offset:3px;border-radius:6px}
.container{width:100%;max-width:var(--maxw);margin:0 auto;padding:0 20px}
.section{padding:88px 0;position:relative}
.section--alt{background:linear-gradient(180deg,rgba(8,18,41,.85) 0%,rgba(3,7,18,.9) 100%);border-top:1px solid rgba(56,189,248,.08);border-bottom:1px solid rgba(56,189,248,.08)}
.section--glow::before{
  content:"";position:absolute;inset:0;pointer-events:none;
  background:radial-gradient(600px 240px at 15% 0%,rgba(37,99,235,.22),transparent 70%);
}
.section > .container{position:relative;z-index:2}
.eyebrow{
  display:inline-flex;align-items:center;gap:8px;
  font-size:.72rem;font-weight:700;letter-spacing:.14em;text-transform:uppercase;
  color:var(--cyan);background:rgba(56,189,248,.08);
  border:1px solid var(--stroke);border-radius:999px;padding:6px 14px;margin-bottom:16px;
}
.sec-title{font-size:clamp(1.5rem,3.2vw,2.15rem);font-weight:800;margin-bottom:14px;letter-spacing:-.015em}
.sec-title span{color:var(--cyan)}
.sec-head{display:flex;flex-wrap:wrap;align-items:flex-end;justify-content:space-between;gap:20px;margin-bottom:36px}
.sec-lead{color:var(--muted);font-size:1rem;max-width:760px;margin:0}

/* ---------- HEADER ---------- */
.site-header{
  position:fixed;top:0;left:0;right:0;z-index:80;
  background:rgba(3,7,18,.82);
  backdrop-filter:blur(16px);-webkit-backdrop-filter:blur(16px);
  border-bottom:1px solid rgba(56,189,248,.14);
  transition:box-shadow .3s ease,background .3s ease;
}
.site-header.is-scrolled{box-shadow:0 12px 34px rgba(2,8,23,.65);background:rgba(3,7,18,.94)}
.nav-wrap{display:flex;align-items:center;justify-content:space-between;gap:16px;height:72px}
.brand{display:flex;align-items:center;gap:11px;flex-shrink:0}
.brand-mark{
  width:40px;height:40px;flex:0 0 40px;border-radius:12px;
  display:grid;place-items:center;
  background:linear-gradient(140deg,var(--blue),var(--cyan));
  font-weight:900;font-size:.92rem;color:#04101f;
  box-shadow:0 0 20px rgba(56,189,248,.4);
}
.brand-text{display:flex;flex-direction:column;line-height:1.15}
.brand-text strong{font-size:.94rem;font-weight:800;letter-spacing:-.01em}
.brand-text em{font-style:normal;font-size:.68rem;color:var(--cyan);letter-spacing:.06em;text-transform:uppercase}
.main-nav{display:flex;align-items:center;gap:4px}
.nav-link{
  padding:9px 14px;border-radius:10px;font-size:.9rem;font-weight:600;color:var(--muted);
  transition:color .22s ease,background .22s ease;
}
.nav-link:hover{color:var(--text);background:rgba(56,189,248,.09)}
.nav-link.is-active{color:var(--cyan);background:rgba(56,189,248,.12);box-shadow:inset 0 0 0 1px rgba(56,189,248,.28)}
.nav-actions{display:flex;align-items:center;gap:10px}
.nav-toggle{
  display:none;width:44px;height:44px;border-radius:12px;
  border:1px solid var(--stroke);background:rgba(56,189,248,.07);
  color:var(--text);font-size:1.05rem;
}
.nav-toggle:hover{background:rgba(56,189,248,.15)}

/* ---------- BUTTONS ---------- */
.btn{
  display:inline-flex;align-items:center;justify-content:center;gap:9px;
  padding:13px 24px;border-radius:999px;font-weight:700;font-size:.94rem;
  transition:transform .2s ease,box-shadow .25s ease,background .25s ease,color .25s ease,border-color .25s ease;
  white-space:nowrap;
}
.btn-primary{
  background:linear-gradient(135deg,var(--blue),var(--cyan));
  color:#04101f;box-shadow:0 10px 28px rgba(37,99,235,.42),0 0 22px rgba(56,189,248,.35);
}
.btn-primary:hover{transform:translateY(-2px);box-shadow:0 16px 36px rgba(37,99,235,.55),0 0 30px rgba(56,189,248,.5);color:#04101f}
.btn-primary:active{transform:translateY(0) scale(.98)}
.btn-outline{border:1px solid var(--stroke-2);color:var(--text);background:rgba(56,189,248,.06)}
.btn-outline:hover{background:rgba(56,189,248,.16);transform:translateY(-2px);color:var(--text)}
.btn-ghost{
  padding:10px 16px;border-radius:999px;font-size:.88rem;font-weight:700;color:var(--cyan);
  border:1px solid transparent;background:transparent;
}
.btn-ghost:hover{border-color:var(--stroke-2);background:rgba(56,189,248,.08)}
.btn-sm{padding:10px 18px;font-size:.86rem}
.btn-block{width:100%}

/* ---------- ARTICLE HERO ---------- */
.article-hero{
  position:relative;padding:140px 0 56px;overflow:hidden;
  background:
    linear-gradient(180deg,rgba(3,7,18,.88) 0%,rgba(3,7,18,.95) 62%,var(--bg) 100%),
    url('/assets/images/91a7f2bf351b6618.jpg') center/cover no-repeat;
}
.article-hero::after{
  content:"";position:absolute;inset:0;pointer-events:none;
  background:
    radial-gradient(520px 300px at 84% 10%,rgba(56,189,248,.20),transparent 70%),
    radial-gradient(440px 260px at 6% 88%,rgba(37,99,235,.20),transparent 72%);
}
.article-hero .container{position:relative;z-index:2}
.breadcrumb{display:flex;flex-wrap:wrap;align-items:center;gap:9px;font-size:.82rem;color:var(--muted);margin-bottom:20px}
.breadcrumb a{color:var(--holo)}
.breadcrumb a:hover{color:var(--cyan);text-decoration:underline;text-underline-offset:3px}
.breadcrumb i{font-size:.6rem;color:var(--dim)}
.article-title{
  font-size:clamp(1.7rem,3.9vw,2.7rem);font-weight:900;letter-spacing:-.02em;
  max-width:920px;margin-bottom:18px;
}
.article-dek{color:#CBD5E1;font-size:1.02rem;line-height:1.7;max-width:800px;margin-bottom:24px}
.article-meta{display:flex;flex-wrap:wrap;gap:10px}
.meta-chip{
  display:inline-flex;align-items:center;gap:8px;
  font-size:.8rem;font-weight:600;color:var(--holo);
  border:1px solid var(--stroke);background:rgba(37,99,235,.12);
  border-radius:999px;padding:7px 14px;
}
.meta-chip i{color:var(--cyan)}
.hero-figure{margin-top:34px;border-radius:var(--r-lg);overflow:hidden;border:1px solid var(--stroke);box-shadow:var(--shadow)}
.hero-figure img{width:100%;height:auto}
.hero-figure figcaption{padding:12px 18px;background:var(--glass-2);color:var(--muted);font-size:.82rem}

/* ---------- ARTICLE LAYOUT ---------- */
.article-layout{
  display:grid;grid-template-columns:minmax(0,720px) 320px;
  gap:48px;align-items:start;justify-content:start;
}
.article-content{font-size:1.02rem;line-height:1.72;color:#DCE5F2;max-width:720px}
.article-content h2{
  font-size:clamp(1.25rem,2.4vw,1.6rem);font-weight:800;color:var(--text);
  margin:40px 0 16px;padding-left:16px;border-left:3px solid var(--cyan);
}
.article-content h3{font-size:1.1rem;font-weight:700;color:var(--holo);margin:28px 0 12px}
.article-content p{margin:0 0 18px}
.article-content ul,.article-content ol{margin:0 0 20px}
.article-content li{position:relative;padding-left:24px;margin-bottom:10px}
.article-content li::before{
  content:"";position:absolute;left:2px;top:.66em;
  width:8px;height:8px;border-radius:50%;
  background:linear-gradient(135deg,var(--blue),var(--cyan));
  box-shadow:0 0 10px rgba(56,189,248,.6);
}
.article-content a{color:var(--cyan);text-decoration:underline;text-underline-offset:3px}
.article-content img{border-radius:var(--r);border:1px solid var(--stroke);margin:24px 0}
.article-content blockquote{
  margin:0 0 22px;padding:16px 22px;color:#CBD5E1;
  background:rgba(56,189,248,.07);border-left:3px solid var(--cyan);
  border-radius:0 var(--r-sm) var(--r-sm) 0;
}
.article-content table{width:100%;border-collapse:collapse;margin:0 0 24px;font-size:.92rem}
.article-content th,.article-content td{padding:12px 14px;border:1px solid rgba(56,189,248,.18);text-align:left}
.article-content th{background:rgba(56,189,248,.1);color:var(--cyan)}
.article-content strong{color:var(--text)}
.article-empty{
  padding:38px 30px;border-radius:var(--r);border:1px dashed var(--stroke-2);
  background:var(--glass);text-align:left;
}
.article-empty h2{font-size:1.3rem;margin-bottom:10px}
.article-empty p{color:var(--muted)}

/* ---------- SIDEBAR ---------- */
.article-side{position:sticky;top:96px;display:grid;gap:20px}
.side-card{
  background:var(--glass);border:1px solid var(--stroke);border-radius:var(--r);
  padding:22px;backdrop-filter:blur(12px);-webkit-backdrop-filter:blur(12px);
}
.side-card h3{font-size:.95rem;font-weight:800;margin-bottom:14px;letter-spacing:.01em}
.side-card h3 i{color:var(--cyan);margin-right:8px}
.toc-list a{
  display:flex;gap:10px;align-items:flex-start;
  padding:10px 0;font-size:.89rem;color:var(--muted);
  border-bottom:1px dashed rgba(56,189,248,.16);transition:color .2s ease,padding-left .2s ease;
}
.toc-list li:last-child a{border-bottom:0}
.toc-list a:hover{color:var(--cyan);padding-left:4px}
.toc-list span{color:var(--dim);font-weight:700;font-size:.78rem;min-width:18px}
.side-cta{
  background:linear-gradient(160deg,rgba(37,99,235,.32),rgba(9,21,44,.9));
  border-color:var(--stroke-2);
}
.side-cta p{font-size:.88rem;color:#CBD5E1;margin-bottom:16px}
.side-note{font-size:.82rem;color:var(--muted)}
.side-note li{display:flex;gap:10px;margin-bottom:10px;align-items:flex-start}
.side-note i{color:var(--green);margin-top:4px}

/* ---------- CHECKLIST ---------- */
.check-list{display:grid;gap:12px;margin-top:34px;padding-top:30px;border-top:1px solid rgba(56,189,248,.16)}
.check-list h3{font-size:1.15rem;font-weight:800;margin-bottom:6px}
.check-list li{display:flex;gap:12px;align-items:flex-start;font-size:.96rem;color:#CBD5E1}
.check-list i{color:var(--green);margin-top:5px}

/* ---------- CẦU CARDS ---------- */
.cau-grid{display:grid;grid-template-columns:repeat(auto-fit,minmax(250px,1fr));gap:20px}
.cau-card{
  background:var(--glass);border:1px solid var(--stroke);border-radius:var(--r);
  padding:24px 22px;backdrop-filter:blur(10px);
  transition:transform .25s ease,border-color .25s ease,box-shadow .25s ease;
}
.cau-card:hover{transform:translateY(-5px);border-color:var(--stroke-2);box-shadow:var(--glow)}
.cau-badge{
  display:inline-block;font-size:.68rem;font-weight:800;letter-spacing:.12em;text-transform:uppercase;
  color:#04101f;background:linear-gradient(135deg,var(--blue),var(--cyan));
  border-radius:999px;padding:5px 12px;margin-bottom:14px;
}
.cau-card h3{font-size:1.06rem;font-weight:800;margin-bottom:10px}
.cau-card p{font-size:.92rem;color:var(--muted);margin:0}
.cau-card .cau-tip{display:block;margin-top:14px;font-size:.85rem;color:var(--holo);font-weight:600}

/* ---------- TABLE ---------- */
.table-wrap{
  overflow-x:auto;border:1px solid var(--stroke);border-radius:var(--r);
  background:var(--glass);backdrop-filter:blur(10px);
}
.von-table{width:100%;border-collapse:collapse;min-width:660px}
.von-table th,.von-table td{padding:15px 20px;text-align:left;border-bottom:1px solid rgba(56,189,248,.12);font-size:.92rem}
.von-table thead th{
  background:rgba(56,189,248,.1);color:var(--cyan);
  font-size:.72rem;letter-spacing:.1em;text-transform:uppercase;font-weight:800;
}
.von-table tbody tr:last-child td{border-bottom:0}
.von-table tbody tr:hover{background:rgba(56,189,248,.05)}
.von-table td:first-child{font-weight:800;color:var(--text)}
.von-table .money{color:var(--gold);font-weight:700}
.table-note{font-size:.85rem;color:var(--dim);margin-top:14px}

/* ---------- LỖI ---------- */
.loi-wrap{display:grid;grid-template-columns:1.05fr .95fr;gap:44px;align-items:start}
.loi-list{counter-reset:loi}
.loi-list li{
  counter-increment:loi;display:flex;gap:16px;align-items:flex-start;
  padding:18px 0;border-bottom:1px solid rgba(56,189,248,.12);
}
.loi-list li:last-child{border-bottom:0}
.loi-list li::before{
  content:counter(loi,decimal-leading-zero);
  font-weight:900;font-size:.9rem;color:var(--cyan);
  border:1px solid var(--stroke-2);border-radius:10px;
  padding:4px 9px;flex:0 0 auto;background:rgba(56,189,248,.08);
}
.loi-list h3{font-size:1rem;font-weight:800;margin-bottom:6px}
.loi-list p{font-size:.91rem;color:var(--muted);margin:0}
.loi-aside{
  background:var(--glass);border:1px solid var(--stroke);border-radius:var(--r);
  padding:26px;backdrop-filter:blur(12px);
}
.loi-aside img{border-radius:var(--r-sm);margin-bottom:18px;border:1px solid var(--stroke)}
.loi-aside h3{font-size:1.1rem;font-weight:800;margin-bottom:10px}
.loi-aside p{font-size:.92rem;color:var(--muted)}
.loi-aside ul li{display:flex;gap:10px;font-size:.9rem;color:#CBD5E1;margin-bottom:10px}
.loi-aside ul i{color:var(--gold);margin-top:5px}

/* ---------- FAQ ---------- */
.faq-list{display:grid;gap:12px;max-width:900px}
.faq-item{
  background:var(--glass);border:1px solid var(--stroke);border-radius:var(--r-sm);
  overflow:hidden;transition:border-color .25s ease;
}
.faq-item:hover{border-color:var(--stroke-2)}
.faq-item summary{
  list-style:none;cursor:pointer;padding:18px 22px;font-weight:700;font-size:.98rem;
  display:flex;align-items:flex-start;justify-content:space-between;gap:16px;
}
.faq-item summary::-webkit-details-marker{display:none}
.faq-item summary::after{
  content:"\f067";font-family:"Font Awesome 6 Free";font-weight:900;
  color:var(--cyan);font-size:.8rem;margin-top:4px;transition:transform .25s ease;
}
.faq-item[open] summary::after{transform:rotate(45deg)}
.faq-item p{padding:0 22px 20px;margin:0;color:var(--muted);font-size:.93rem}

/* ---------- CTA ---------- */
.cta-band{
  display:grid;grid-template-columns:1.15fr .85fr;gap:34px;align-items:center;
  padding:44px;border-radius:var(--r-lg);border:1px solid var(--stroke-2);
  background:linear-gradient(135deg,rgba(37,99,235,.32),rgba(56,189,248,.14));
  box-shadow:var(--shadow);
}
.cta-band h2{font-size:clamp(1.35rem,2.8vw,1.9rem);font-weight:900;margin-bottom:12px}
.cta-band p{color:#CBD5E1;font-size:.98rem;margin:0}
.cta-actions{display:flex;flex-wrap:wrap;gap:12px;margin-top:22px}
.cta-panel{
  background:var(--glass-2);border:1px solid var(--stroke);border-radius:var(--r);
  padding:22px;font-size:.9rem;color:var(--muted);
}
.cta-panel li{display:flex;gap:10px;margin-bottom:10px;align-items:flex-start}
.cta-panel i{color:var(--cyan);margin-top:4px}

/* ---------- FOOTER ---------- */
.site-footer{
  background:linear-gradient(180deg,rgba(3,7,18,.9) 0%,#020617 100%);
  border-top:1px solid rgba(56,189,248,.16);
  padding-top:56px;
}
.footer-top{padding-bottom:8px}
.footer-brand{display:flex;align-items:center;gap:11px;margin-bottom:16px}
.footer-about{font-size:.88rem;color:var(--muted);max-width:400px}
.footer-col h4{font-size:.82rem;font-weight:800;letter-spacing:.1em;text-transform:uppercase;color:var(--cyan);margin-bottom:16px}
.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(--cyan);padding-left:4px}
.footer-contact li{display:flex;gap:10px;align-items:flex-start;font-size:.88rem;color:var(--muted);margin-bottom:12px}
.footer-contact i{color:var(--cyan);margin-top:4px}
.footer-bottom{
  display:flex;flex-wrap:wrap;gap:16px;align-items:center;justify-content:space-between;
  margin-top:26px;padding:20px 0 30px;border-top:1px solid rgba(56,189,248,.12);
}
.footer-bottom p{font-size:.82rem;color:var(--dim);margin:0}
.footer-badges{display:flex;flex-wrap:wrap;gap:9px}
.footer-badges span{
  font-size:.72rem;font-weight:700;color:var(--holo);
  border:1px solid var(--stroke);background:rgba(56,189,248,.07);
  border-radius:999px;padding:5px 12px;
}

/* ---------- FAB ---------- */
.fab{
  position:fixed;left:16px;bottom:96px;z-index:70;
  width:56px;height:56px;border-radius:18px;
  display:grid;place-items:center;
  background:linear-gradient(150deg,rgba(37,99,235,.95),rgba(6,182,212,.95));
  color:#04101f;font-size:1.15rem;
  box-shadow:0 0 20px rgba(56,189,248,.45);
  opacity:.8;
  animation:fabPulse 3.4s ease-in-out infinite;
  transition:transform .25s ease,box-shadow .25s ease,opacity .25s ease;
}
.fab:hover{opacity:1;transform:scale(1.1);box-shadow:0 0 34px rgba(56,189,248,.8)}
.fab:active{transform:scale(.94)}
.fab-dot{
  position:absolute;top:-3px;right:-3px;width:14px;height:14px;border-radius:50%;
  background:#EF4444;border:2px solid #fff;animation:blink 1.6s ease-in-out infinite;
}
@keyframes fabPulse{0%,100%{box-shadow:0 0 18px rgba(56,189,248,.35)}50%{box-shadow:0 0 30px rgba(56,189,248,.7)}}
@keyframes blink{0%,100%{opacity:1}50%{opacity:.35}}

/* ---------- RESPONSIVE ---------- */
@media (max-width:1024px){
  .article-layout{grid-template-columns:minmax(0,1fr);gap:34px}
  .article-side{position:static;grid-template-columns:repeat(auto-fit,minmax(260px,1fr))}
  .loi-wrap{grid-template-columns:1fr;gap:30px}
  .cta-band{grid-template-columns:1fr;padding:34px}
  .main-nav{
    position:fixed;top:72px;left:0;right:0;flex-direction:column;align-items:stretch;gap:6px;
    padding:14px 20px 22px;background:rgba(3,7,18,.98);
    border-bottom:1px solid var(--stroke);
    max-height:calc(100vh - 72px);overflow-y:auto;
    opacity:0;visibility:hidden;transform:translateY(-12px);
    transition:opacity .25s ease,transform .25s ease,visibility .25s ease;
  }
  .main-nav.is-open{opacity:1;visibility:visible;transform:translateY(0)}
  .nav-link{padding:12px 14px;font-size:.95rem}
  .nav-toggle{display:inline-grid;place-items:center}
}
@media (max-width:768px){
  .section{padding:64px 0}
  .article-hero{padding:118px 0 44px}
  .article-title{font-size:clamp(1.5rem,6vw,2rem)}
  .brand-text em{display:none}
  .sec-head{margin-bottom:26px}
  .cau-grid{grid-template-columns:1fr}
  .faq-item summary{font-size:.94rem}
  .footer-bottom{flex-direction:column;align-items:flex-start}
}
@media (max-width:520px){
  .container{padding:0 16px}
  .brand-text strong{font-size:.82rem}
  .brand-mark{width:36px;height:36px;flex:0 0 36px;font-size:.82rem}
  .btn{padding:12px 18px;font-size:.9rem}
  .btn-ghost{padding:8px 10px;font-size:.8rem}
  .btn-sm{padding:9px 14px;font-size:.8rem}
  .nav-wrap{height:64px;gap:8px}
  .main-nav{top:64px}
  .article-hero{padding:104px 0 40px}
  .meta-chip{font-size:.74rem;padding:6px 11px}
  .cta-band{padding:26px 20px}
  .cta-actions .btn{width:100%}
  .fab{left:12px;bottom:80px;width:52px;height:52px;border-radius:16px}
}

/* roulang page: category1 */
:root{
  --bg:#030712;
  --bg-2:#081229;
  --bg-3:#0A1834;
  --glass:rgba(13,30,60,.62);
  --glass-2:rgba(9,21,44,.86);
  --stroke:rgba(56,189,248,.18);
  --stroke-2:rgba(56,189,248,.42);
  --blue:#2563EB;
  --cyan:#38BDF8;
  --holo:#60A5FA;
  --text:#F8FAFC;
  --muted:#94A3B8;
  --dim:#64748B;
  --gold:#FCD34D;
  --green:#34D399;
  --rose:#FB7185;
  --r-sm:12px;
  --r:18px;
  --r-lg:26px;
  --shadow:0 22px 48px rgba(2,8,23,.6);
  --glow:0 0 24px rgba(56,189,248,.32);
  --maxw:1180px;
}
*,*::before,*::after{box-sizing:border-box}
html{scroll-behavior:smooth}
body{
  margin:0;
  font-family:"Inter","Segoe UI",system-ui,-apple-system,"Helvetica Neue",Arial,sans-serif;
  background:var(--bg);
  color:var(--text);
  line-height:1.65;
  font-size:16px;
  -webkit-font-smoothing:antialiased;
  overflow-x:hidden;
}
img{max-width:100%;height:auto;display:block}
a{color:inherit;text-decoration:none}
button{font:inherit;cursor:pointer;border:0;background:none;color:inherit}
input{font:inherit}
ul{margin:0;padding:0;list-style:none}
h1,h2,h3,h4{margin:0;line-height:1.28}
p{margin:0}
:focus-visible{outline:2px solid var(--cyan);outline-offset:3px;border-radius:8px}
.container{width:100%;max-width:var(--maxw);margin:0 auto;padding:0 20px}
.section{padding:88px 0;position:relative}
.section--alt{background:linear-gradient(180deg,rgba(8,18,41,.85) 0%,rgba(3,7,18,.9) 100%);border-top:1px solid rgba(56,189,248,.08);border-bottom:1px solid rgba(56,189,248,.08)}
.section--glow::before{
  content:"";position:absolute;inset:0;pointer-events:none;
  background:radial-gradient(600px 240px at 15% 0%,rgba(37,99,235,.22),transparent 70%);
}
.eyebrow{
  display:inline-flex;align-items:center;gap:8px;
  font-size:.72rem;font-weight:700;letter-spacing:.14em;text-transform:uppercase;
  color:var(--cyan);background:rgba(56,189,248,.08);
  border:1px solid var(--stroke);border-radius:999px;padding:6px 14px;margin-bottom:16px;
}
.sec-head{max-width:780px;margin-bottom:38px}
.sec-title{font-size:clamp(1.5rem,3.2vw,2.15rem);font-weight:800;margin-bottom:14px;letter-spacing:-.01em}
.sec-title span{color:var(--cyan)}
.sec-sub{color:var(--muted);font-size:1rem;line-height:1.7}
/* ---------- HEADER ---------- */
.site-header{
  position:fixed;top:0;left:0;right:0;z-index:80;
  background:rgba(3,7,18,.82);
  backdrop-filter:blur(16px);-webkit-backdrop-filter:blur(16px);
  border-bottom:1px solid rgba(56,189,248,.14);
  transition:box-shadow .3s ease,background .3s ease;
}
.site-header.is-scrolled{box-shadow:0 12px 34px rgba(2,8,23,.65);background:rgba(3,7,18,.94)}
.nav-wrap{display:flex;align-items:center;justify-content:space-between;gap:16px;height:72px}
.brand{display:flex;align-items:center;gap:11px;flex-shrink:0}
.brand-mark{
  width:40px;height:40px;flex:0 0 40px;border-radius:12px;
  display:grid;place-items:center;
  background:linear-gradient(140deg,var(--blue),var(--cyan));
  font-weight:900;font-size:.92rem;color:#04101f;
  box-shadow:0 0 20px rgba(56,189,248,.4);
}
.brand-text{display:flex;flex-direction:column;line-height:1.15}
.brand-text strong{font-size:.94rem;font-weight:800;letter-spacing:-.01em}
.brand-text em{font-style:normal;font-size:.68rem;color:var(--cyan);letter-spacing:.06em;text-transform:uppercase}
.main-nav{display:flex;align-items:center;gap:4px}
.nav-link{
  padding:9px 14px;border-radius:10px;font-size:.9rem;font-weight:600;color:var(--muted);
  transition:color .22s ease,background .22s ease;
}
.nav-link:hover{color:var(--text);background:rgba(56,189,248,.09)}
.nav-link.is-active{color:var(--cyan);background:rgba(56,189,248,.12);box-shadow:inset 0 0 0 1px rgba(56,189,248,.28)}
.nav-actions{display:flex;align-items:center;gap:10px}
.nav-toggle{
  display:none;width:44px;height:44px;border-radius:12px;
  border:1px solid var(--stroke);background:rgba(56,189,248,.07);
  color:var(--text);font-size:1.05rem;place-items:center;
}
.nav-toggle:hover{background:rgba(56,189,248,.15)}
/* ---------- BUTTONS ---------- */
.btn{
  display:inline-flex;align-items:center;justify-content:center;gap:9px;
  padding:13px 24px;border-radius:999px;font-weight:700;font-size:.94rem;
  transition:transform .2s ease,box-shadow .25s ease,background .25s ease,color .25s ease,border-color .25s ease;
  white-space:nowrap;
}
.btn-primary{
  background:linear-gradient(135deg,var(--blue),var(--cyan));
  color:#04101f;box-shadow:0 10px 28px rgba(37,99,235,.42),0 0 22px rgba(56,189,248,.35);
}
.btn-primary:hover{transform:translateY(-2px);box-shadow:0 16px 36px rgba(37,99,235,.55),0 0 30px rgba(56,189,248,.5);color:#04101f}
.btn-primary:active{transform:translateY(0) scale(.98)}
.btn-outline{border:1px solid var(--stroke-2);color:var(--text);background:rgba(56,189,248,.06)}
.btn-outline:hover{background:rgba(56,189,248,.16);transform:translateY(-2px);color:var(--text)}
.btn-ghost{
  padding:10px 16px;border-radius:999px;font-size:.88rem;font-weight:700;color:var(--cyan);
  border:1px solid transparent;background:transparent;
}
.btn-ghost:hover{border-color:var(--stroke-2);background:rgba(56,189,248,.08)}
.btn-sm{padding:10px 18px;font-size:.86rem}
/* ---------- HERO ---------- */
.hero--cat{
  position:relative;padding:142px 0 76px;overflow:hidden;
  background:
    linear-gradient(180deg,rgba(3,7,18,.87) 0%,rgba(3,7,18,.95) 58%,var(--bg) 100%),
    url('/assets/images/91a7f2bf351b6618.jpg') center/cover no-repeat;
}
.hero--cat::after{
  content:"";position:absolute;inset:0;pointer-events:none;
  background:
    radial-gradient(520px 320px at 84% 10%,rgba(56,189,248,.20),transparent 70%),
    radial-gradient(460px 280px at 6% 84%,rgba(37,99,235,.22),transparent 72%);
}
.hero-shell{position:relative;z-index:2}
.crumb{display:flex;flex-wrap:wrap;align-items:center;gap:9px;font-size:.8rem;color:var(--dim);margin-bottom:20px}
.crumb a{color:var(--muted);transition:color .2s ease}
.crumb a:hover{color:var(--cyan)}
.crumb i{font-size:.6rem;color:var(--dim)}
.hero-grid{display:grid;grid-template-columns:1.12fr .88fr;gap:46px;align-items:center}
.hero-copy h1{font-size:clamp(1.9rem,4vw,2.75rem);font-weight:900;letter-spacing:-.02em;margin-bottom:18px}
.hero-copy h1 span{background:linear-gradient(120deg,var(--cyan),var(--holo));-webkit-background-clip:text;background-clip:text;color:transparent}
.hero-lead{color:#CBD5E1;font-size:1.02rem;line-height:1.72;max-width:640px;margin-bottom:26px}
.search-box{
  display:flex;align-items:center;gap:12px;padding:8px 10px 8px 20px;border-radius:999px;
  background:var(--glass);border:1px solid var(--stroke-2);
  backdrop-filter:blur(14px);-webkit-backdrop-filter:blur(14px);
  box-shadow:var(--shadow);max-width:620px;
}
.search-box i{color:var(--cyan);font-size:.95rem}
.search-box input{flex:1;min-width:0;background:transparent;border:0;outline:none;color:var(--text);padding:12px 0;font-size:.95rem}
.search-box input::placeholder{color:var(--dim)}
.chip-row{display:flex;flex-wrap:wrap;gap:9px;margin-top:18px}
.chip{
  font-size:.79rem;font-weight:600;color:var(--holo);
  border:1px solid var(--stroke);background:rgba(37,99,235,.12);
  border-radius:999px;padding:7px 15px;
  transition:background .22s ease,color .22s ease,transform .22s ease,border-color .22s ease;
}
.chip:hover{background:rgba(56,189,248,.22);color:var(--text);border-color:var(--stroke-2);transform:translateY(-2px)}
.hero-panel{
  border-radius:var(--r-lg);padding:26px;background:var(--glass-2);
  border:1px solid var(--stroke);box-shadow:var(--shadow);
  backdrop-filter:blur(14px);-webkit-backdrop-filter:blur(14px);
}
.hero-panel h2{font-size:1.02rem;font-weight:800;margin-bottom:6px}
.hero-panel .panel-note{font-size:.82rem;color:var(--dim);margin-bottom:14px}
.panel-row{display:flex;align-items:center;justify-content:space-between;gap:14px;padding:13px 0;border-bottom:1px dashed rgba(148,163,184,.18)}
.panel-row:last-child{border-bottom:0}
.panel-row strong{font-size:.9rem;font-weight:700}
.panel-row span{font-size:.78rem;color:var(--cyan);white-space:nowrap}
.stat-row{display:grid;grid-template-columns:repeat(4,1fr);gap:16px;margin-top:46px}
.stat{border-radius:var(--r);padding:20px;background:var(--glass);border:1px solid var(--stroke);transition:border-color .25s ease,transform .25s ease}
.stat:hover{border-color:var(--stroke-2);transform:translateY(-3px)}
.stat b{display:block;font-size:1.45rem;font-weight:900;color:var(--cyan);letter-spacing:-.01em}
.stat span{font-size:.82rem;color:var(--muted);line-height:1.5;display:block;margin-top:4px}
/* ---------- PATTERN CARDS ---------- */
.pattern-grid{display:grid;grid-template-columns:repeat(2,1fr);gap:20px}
.pattern-card{
  border-radius:var(--r);padding:26px;
  background:linear-gradient(160deg,rgba(13,30,60,.72),rgba(9,21,44,.92));
  border:1px solid var(--stroke);
  transition:transform .25s ease,border-color .25s ease,box-shadow .3s ease;
}
.pattern-card:hover{transform:translateY(-4px);border-color:var(--stroke-2);box-shadow:0 18px 40px rgba(2,8,23,.55),var(--glow)}
.pattern-top{display:flex;align-items:center;gap:14px;margin-bottom:14px}
.pattern-ico{
  width:46px;height:46px;flex:0 0 46px;border-radius:14px;display:grid;place-items:center;
  background:rgba(56,189,248,.12);border:1px solid var(--stroke);color:var(--cyan);font-size:1.05rem;
}
.pattern-top h3{font-size:1.1rem;font-weight:800}
.pattern-card p{color:var(--muted);font-size:.93rem;line-height:1.7}
.pattern-meta{display:flex;flex-wrap:wrap;gap:8px;margin-top:16px}
.badge{font-size:.68rem;font-weight:700;letter-spacing:.07em;text-transform:uppercase;padding:5px 11px;border-radius:999px;border:1px solid transparent}
.badge--hot{background:rgba(251,113,133,.14);color:#FDA4AF;border-color:rgba(251,113,133,.35)}
.badge--ok{background:rgba(52,211,153,.14);color:#6EE7B7;border-color:rgba(52,211,153,.32)}
.badge--warn{background:rgba(252,211,77,.14);color:var(--gold);border-color:rgba(252,211,77,.32)}
.badge--info{background:rgba(96,165,250,.14);color:var(--holo);border-color:rgba(96,165,250,.32)}
/* ---------- CHECKLIST ---------- */
.check-grid{display:grid;grid-template-columns:repeat(2,1fr);gap:6px 34px}
.check-item{display:flex;gap:13px;align-items:flex-start;padding:16px 0;border-bottom:1px solid rgba(148,163,184,.12)}
.check-item i{color:var(--cyan);margin-top:5px;font-size:.9rem}
.check-item span{color:#CBD5E1;font-size:.94rem;line-height:1.68}
/* ---------- SPLIT + STEPS ---------- */
.split{display:grid;grid-template-columns:.86fr 1.14fr;gap:48px;align-items:start}
.split-side p{color:var(--muted);font-size:.96rem;margin-bottom:18px}
.side-figure{border-radius:var(--r);overflow:hidden;border:1px solid var(--stroke);box-shadow:var(--shadow)}
.side-figure img{width:100%;aspect-ratio:4/3;object-fit:cover}
.steps{display:grid;gap:16px;counter-reset:step}
.step{
  position:relative;padding:22px 24px 22px 78px;border-radius:var(--r);
  background:var(--glass);border:1px solid var(--stroke);
  transition:border-color .25s ease,transform .25s ease;
}
.step:hover{border-color:var(--stroke-2);transform:translateX(4px)}
.step::before{
  counter-increment:step;content:counter(step,decimal-leading-zero);
  position:absolute;left:24px;top:22px;font-weight:900;font-size:1.05rem;color:var(--cyan);letter-spacing:-.02em;
}
.step h3{font-size:1.02rem;font-weight:800;margin-bottom:6px}
.step p{color:var(--muted);font-size:.92rem;line-height:1.68}
/* ---------- TABLE ---------- */
.table-wrap{border-radius:var(--r);border:1px solid var(--stroke);overflow:hidden;background:var(--glass-2);box-shadow:var(--shadow)}
.table-scroll{overflow-x:auto}
table.ref{width:100%;border-collapse:collapse;min-width:640px;font-size:.92rem}
table.ref thead th{
  background:rgba(37,99,235,.2);text-align:left;padding:15px 20px;
  font-size:.74rem;letter-spacing:.09em;text-transform:uppercase;color:var(--holo);font-weight:700;
}
table.ref tbody td{padding:15px 20px;border-top:1px solid rgba(148,163,184,.12);color:#CBD5E1;vertical-align:top}
table.ref tbody tr{transition:background .2s ease}
table.ref tbody tr:hover{background:rgba(56,189,248,.07)}
table.ref tbody td strong{color:var(--text);font-weight:700}
/* ---------- MISTAKES ---------- */
.mistake-grid{display:grid;grid-template-columns:repeat(2,1fr);gap:4px 34px}
.mistake{display:flex;gap:13px;align-items:flex-start;padding:16px 0;border-bottom:1px solid rgba(251,113,133,.14)}
.mistake i{color:var(--rose);margin-top:5px;font-size:.9rem}
.mistake p{color:#CBD5E1;font-size:.94rem;line-height:1.68}
.mistake p strong{color:var(--text);display:block;margin-bottom:2px}
/* ---------- FAQ ---------- */
.faq{display:grid;gap:12px;max-width:920px}
.faq details{border:1px solid var(--stroke);border-radius:var(--r);background:var(--glass);overflow:hidden;transition:border-color .25s ease}
.faq details[open]{border-color:var(--stroke-2);background:var(--glass-2)}
.faq summary{
  cursor:pointer;padding:18px 22px;font-weight:700;font-size:.98rem;
  display:flex;align-items:center;justify-content:space-between;gap:16px;list-style:none;
}
.faq summary::-webkit-details-marker{display:none}
.faq summary::after{content:"\2b";font-weight:900;color:var(--cyan);font-size:1.05rem;transition:transform .25s ease}
.faq details[open] summary::after{transform:rotate(45deg)}
.faq .faq-body{padding:0 22px 20px;color:var(--muted);font-size:.93rem;line-height:1.72}
/* ---------- POST LIST ---------- */
.post-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:22px}
.post-card{
  display:flex;flex-direction:column;border-radius:var(--r);overflow:hidden;
  background:var(--glass-2);border:1px solid var(--stroke);
  transition:transform .25s ease,border-color .25s ease,box-shadow .3s ease;
}
.post-card:hover{transform:translateY(-4px);border-color:var(--stroke-2);box-shadow:0 18px 40px rgba(2,8,23,.5)}
.post-thumb{display:block;aspect-ratio:16/10;overflow:hidden;background:var(--bg-3)}
.post-thumb img{width:100%;height:100%;object-fit:cover;transition:transform .45s ease}
.post-card:hover .post-thumb img{transform:scale(1.05)}
.post-body{padding:18px 20px 22px;display:flex;flex-direction:column;flex:1}
.post-tag{
  align-self:flex-start;font-size:.7rem;font-weight:700;letter-spacing:.07em;text-transform:uppercase;
  color:var(--cyan);background:rgba(56,189,248,.1);border:1px solid var(--stroke);border-radius:999px;padding:4px 11px;
}
.post-body h3{font-size:1.02rem;font-weight:800;margin:12px 0 8px;line-height:1.45}
.post-body h3 a:hover{color:var(--cyan)}
.post-excerpt{color:var(--muted);font-size:.89rem;line-height:1.65;flex:1}
.post-time{display:block;margin-top:14px;font-size:.76rem;color:var(--dim)}
.empty-note{color:var(--muted);font-size:.95rem;padding:22px;border:1px dashed var(--stroke);border-radius:var(--r);background:rgba(13,30,60,.4)}
/* ---------- CATEGORY MATRIX ---------- */
.cat-matrix{display:grid;grid-template-columns:repeat(3,1fr);gap:20px}
.cat-card{
  display:block;border-radius:var(--r-lg);padding:28px;
  background:linear-gradient(160deg,rgba(13,30,60,.75),rgba(9,21,44,.94));
  border:1px solid var(--stroke);
  transition:transform .25s ease,border-color .25s ease,box-shadow .3s ease;
}
.cat-card:hover{transform:translateY(-4px);border-color:var(--stroke-2);box-shadow:var(--glow)}
.cat-card.is-current{border-color:rgba(56,189,248,.55);background:linear-gradient(160deg,rgba(37,99,235,.22),rgba(9,21,44,.94))}
.cat-ico{
  width:48px;height:48px;border-radius:15px;display:grid;place-items:center;
  background:rgba(56,189,248,.12);border:1px solid var(--stroke);color:var(--cyan);font-size:1.1rem;margin-bottom:16px;
}
.cat-card h3{font-size:1.1rem;font-weight:800;margin-bottom:8px}
.cat-card p{color:var(--muted);font-size:.92rem;line-height:1.68}
.cat-link{display:inline-flex;align-items:center;gap:8px;margin-top:16px;font-size:.85rem;font-weight:700;color:var(--cyan)}
.cat-card:hover .cat-link{gap:12px}
/* ---------- CTA ---------- */
.cta-band{
  position:relative;overflow:hidden;border-radius:var(--r-lg);padding:48px 40px;
  background:linear-gradient(120deg,rgba(37,99,235,.34),rgba(56,189,248,.16));
  border:1px solid var(--stroke-2);text-align:center;box-shadow:var(--shadow);
}
.cta-band::before{
  content:"";position:absolute;inset:0;pointer-events:none;
  background:radial-gradient(420px 220px at 50% 0%,rgba(56,189,248,.28),transparent 70%);
}
.cta-band > *{position:relative;z-index:2}
.cta-band h2{font-size:clamp(1.4rem,3vw,2rem);font-weight:900;margin-bottom:12px}
.cta-band p{color:#CBD5E1;max-width:680px;margin:0 auto 26px;font-size:.98rem;line-height:1.7}
.cta-actions{display:flex;flex-wrap:wrap;gap:12px;justify-content:center}
/* ---------- FAB ---------- */
.fab{
  position:fixed;left:16px;bottom:96px;z-index:50;
  display:inline-flex;align-items:center;gap:10px;
  min-width:56px;min-height:56px;padding:0 18px 0 16px;border-radius:999px;
  background:rgba(7,7,13,.82);
  backdrop-filter:blur(14px);-webkit-backdrop-filter:blur(14px);
  border:1px solid transparent;
  background-image:linear-gradient(rgba(7,7,13,.86),rgba(7,7,13,.86)),linear-gradient(120deg,var(--cyan),var(--blue));
  background-origin:border-box;background-clip:padding-box,border-box;
  color:var(--text);font-size:.84rem;font-weight:700;
  box-shadow:0 0 20px rgba(6,182,212,.45);
  opacity:.78;
  animation:fabPulse 2.8s ease-in-out infinite;
  transition:opacity .25s ease,transform .25s ease,box-shadow .3s ease;
}
.fab i{font-size:1.05rem;color:var(--cyan);transition:transform .35s ease}
.fab:hover{opacity:1;transform:translateY(-3px);box-shadow:0 0 30px rgba(6,182,212,.7)}
.fab:hover i{transform:rotate(360deg)}
.fab:active{transform:translateY(1px) scale(.97)}
.fab .fab-dot{
  position:absolute;top:6px;right:8px;width:10px;height:10px;border-radius:50%;
  background:#F43F5E;box-shadow:0 0 0 2px rgba(3,7,18,.9);animation:dotBlink 1.4s ease-in-out infinite;
}
@keyframes fabPulse{0%,100%{box-shadow:0 0 16px rgba(6,182,212,.35)}50%{box-shadow:0 0 26px rgba(6,182,212,.6)}}
@keyframes dotBlink{0%,100%{opacity:1}50%{opacity:.35}}
/* ---------- FOOTER ---------- */
.site-footer{
  background:linear-gradient(180deg,rgba(8,18,41,.9),rgba(3,7,18,.98));
  border-top:1px solid rgba(56,189,248,.14);padding:64px 0 28px;margin-top:20px;
}
.footer-top{border-bottom:1px solid rgba(148,163,184,.12)}
.footer-brand{display:flex;align-items:center;gap:11px;margin-bottom:16px}
.footer-about{color:var(--muted);font-size:.88rem;line-height:1.72}
.footer-col h4{font-size:.82rem;font-weight:800;letter-spacing:.1em;text-transform:uppercase;color:var(--cyan);margin-bottom:16px}
.footer-col ul{display:grid;gap:10px}
.footer-col ul li a{color:var(--muted);font-size:.89rem;transition:color .2s ease,padding-left .2s ease}
.footer-col ul li a:hover{color:var(--text);padding-left:5px}
.footer-contact li{display:flex;gap:11px;align-items:flex-start;color:var(--muted);font-size:.89rem;line-height:1.6}
.footer-contact li i{color:var(--cyan);margin-top:4px}
.footer-bottom{display:flex;flex-wrap:wrap;gap:14px;align-items:center;justify-content:space-between;padding-top:24px}
.footer-bottom p{color:var(--dim);font-size:.8rem}
.footer-badges{display:flex;flex-wrap:wrap;gap:9px}
.footer-badges span{
  font-size:.7rem;font-weight:700;letter-spacing:.06em;text-transform:uppercase;color:var(--holo);
  border:1px solid var(--stroke);background:rgba(56,189,248,.07);border-radius:999px;padding:5px 12px;
}
/* ---------- RESPONSIVE ---------- */
@media (max-width:1024px){
  .hero-grid{grid-template-columns:1fr;gap:34px}
  .split{grid-template-columns:1fr;gap:32px}
  .post-grid{grid-template-columns:repeat(2,1fr)}
  .cat-matrix{grid-template-columns:1fr}
  .main-nav{
    position:fixed;top:72px;left:0;right:0;flex-direction:column;align-items:stretch;gap:6px;
    padding:16px 20px 24px;background:rgba(3,7,18,.98);
    border-bottom:1px solid var(--stroke);box-shadow:0 18px 34px rgba(2,8,23,.6);
    transform:translateY(-140%);transition:transform .32s ease;max-height:calc(100vh - 72px);overflow-y:auto;
  }
  .main-nav.is-open{transform:translateY(0)}
  .nav-toggle{display:grid}
  .nav-link{padding:13px 14px}
}
@media (max-width:768px){
  .section{padding:64px 0}
  .pattern-grid,.check-grid,.mistake-grid,.post-grid{grid-template-columns:1fr}
  .stat-row{grid-template-columns:repeat(2,1fr);margin-top:34px}
  .hero--cat{padding:120px 0 60px}
  .cta-band{padding:36px 22px}
  .brand-text em{display:none}
  .brand-text strong{font-size:.86rem}
  .btn-ghost{padding:8px 12px;font-size:.82rem}
  .btn-sm{padding:9px 14px;font-size:.8rem}
  .fab{padding:0 14px 0 14px;font-size:.78rem;bottom:88px}
}
@media (max-width:520px){
  .container{padding:0 16px}
  .nav-wrap{gap:10px;height:66px}
  .main-nav{top:66px}
  .brand-mark{width:36px;height:36px;flex:0 0 36px;font-size:.82rem}
  .brand-text strong{font-size:.78rem}
  .stat-row{grid-template-columns:1fr}
  .step{padding:20px 18px 20px 62px}
  .step::before{left:18px;top:20px}
  .search-box{border-radius:20px;padding:8px 12px 8px 16px}
  .footer-bottom{flex-direction:column;align-items:flex-start}
  .fab span.fab-label{display:none}
  .fab{padding:0;width:56px;justify-content:center}
}

/* roulang page: category2 */
:root{
  --bg:#030712;
  --bg-2:#081229;
  --bg-3:#0A1834;
  --glass:rgba(13,30,60,.62);
  --glass-2:rgba(9,21,44,.86);
  --stroke:rgba(56,189,248,.18);
  --stroke-2:rgba(56,189,248,.42);
  --blue:#2563EB;
  --cyan:#38BDF8;
  --holo:#60A5FA;
  --text:#F8FAFC;
  --muted:#94A3B8;
  --dim:#64748B;
  --gold:#FCD34D;
  --green:#34D399;
  --rose:#FB7185;
  --r-sm:12px;
  --r:18px;
  --r-lg:26px;
  --shadow:0 22px 48px rgba(2,8,23,.6);
  --glow:0 0 24px rgba(56,189,248,.32);
  --maxw:1180px;
}
*,*::before,*::after{box-sizing:border-box}
html{scroll-behavior:smooth;-webkit-text-size-adjust:100%}
body{
  margin:0;
  font-family:"Inter","Segoe UI",system-ui,-apple-system,"Helvetica Neue",Arial,sans-serif;
  background:var(--bg);
  color:var(--text);
  line-height:1.65;
  font-size:16px;
  -webkit-font-smoothing:antialiased;
  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:inherit;cursor:pointer;border:0;background:none;color:inherit}
h1,h2,h3,h4{margin:0;line-height:1.26}
p{margin:0 0 14px}
:focus-visible{outline:2px solid var(--cyan);outline-offset:3px;border-radius:8px}
.container{width:100%;max-width:var(--maxw);margin:0 auto;padding:0 20px}
.section{padding:88px 0;position:relative}
.section--alt{background:linear-gradient(180deg,rgba(8,18,41,.85) 0%,rgba(3,7,18,.9) 100%);border-top:1px solid rgba(56,189,248,.08);border-bottom:1px solid rgba(56,189,248,.08)}
.section--glow::before{
  content:"";position:absolute;inset:0;pointer-events:none;
  background:radial-gradient(600px 240px at 15% 0%,rgba(37,99,235,.22),transparent 70%);
}
.eyebrow{
  display:inline-flex;align-items:center;gap:8px;
  font-size:.72rem;font-weight:700;letter-spacing:.14em;text-transform:uppercase;
  color:var(--cyan);background:rgba(56,189,248,.08);
  border:1px solid var(--stroke);border-radius:999px;padding:6px 14px;margin-bottom:16px;
}
.sec-title{font-size:clamp(1.5rem,3.2vw,2.15rem);font-weight:800;margin-bottom:14px;letter-spacing:-.01em}
.sec-title span{color:var(--cyan)}
.sec-intro{color:var(--muted);max-width:760px;margin-bottom:34px;font-size:1rem}
/* ---------- HEADER ---------- */
.site-header{
  position:fixed;top:0;left:0;right:0;z-index:80;
  background:rgba(3,7,18,.82);
  backdrop-filter:blur(16px);-webkit-backdrop-filter:blur(16px);
  border-bottom:1px solid rgba(56,189,248,.14);
  transition:box-shadow .3s ease,background .3s ease;
}
.site-header.is-scrolled{box-shadow:0 12px 34px rgba(2,8,23,.65);background:rgba(3,7,18,.94)}
.nav-wrap{display:flex;align-items:center;justify-content:space-between;gap:16px;height:72px}
.brand{display:flex;align-items:center;gap:11px;flex-shrink:0}
.brand-mark{
  width:40px;height:40px;flex:0 0 40px;border-radius:12px;
  display:grid;place-items:center;
  background:linear-gradient(140deg,var(--blue),var(--cyan));
  font-weight:900;font-size:.92rem;color:#04101f;
  box-shadow:0 0 20px rgba(56,189,248,.4);
}
.brand-text{display:flex;flex-direction:column;line-height:1.15}
.brand-text strong{font-size:.94rem;font-weight:800;letter-spacing:-.01em}
.brand-text em{font-style:normal;font-size:.68rem;color:var(--cyan);letter-spacing:.06em;text-transform:uppercase}
.main-nav{display:flex;align-items:center;gap:4px}
.nav-link{
  padding:9px 14px;border-radius:10px;font-size:.9rem;font-weight:600;color:var(--muted);
  transition:color .22s ease,background .22s ease;
}
.nav-link:hover{color:var(--text);background:rgba(56,189,248,.09)}
.nav-link.is-active{color:var(--cyan);background:rgba(56,189,248,.12);box-shadow:inset 0 0 0 1px rgba(56,189,248,.28)}
.nav-actions{display:flex;align-items:center;gap:10px}
.nav-toggle{
  display:none;width:44px;height:44px;border-radius:12px;
  border:1px solid var(--stroke);background:rgba(56,189,248,.07);
  color:var(--text);font-size:1.05rem;
}
.nav-toggle:hover{background:rgba(56,189,248,.15)}
/* ---------- BUTTONS ---------- */
.btn{
  display:inline-flex;align-items:center;justify-content:center;gap:9px;
  padding:13px 24px;border-radius:999px;font-weight:700;font-size:.94rem;
  transition:transform .2s ease,box-shadow .25s ease,background .25s ease,color .25s ease,border-color .25s ease;
  white-space:nowrap;
}
.btn-primary{
  background:linear-gradient(135deg,var(--blue),var(--cyan));
  color:#04101f;box-shadow:0 10px 28px rgba(37,99,235,.42),0 0 22px rgba(56,189,248,.35);
}
.btn-primary:hover{transform:translateY(-2px);box-shadow:0 16px 36px rgba(37,99,235,.55),0 0 30px rgba(56,189,248,.5);color:#04101f}
.btn-primary:active{transform:translateY(0) scale(.98)}
.btn-outline{border:1px solid var(--stroke-2);color:var(--text);background:rgba(56,189,248,.06)}
.btn-outline:hover{background:rgba(56,189,248,.16);transform:translateY(-2px);color:var(--text)}
.btn-ghost{padding:10px 16px;border-radius:999px;font-size:.88rem;font-weight:700;color:var(--cyan);border:1px solid transparent;background:transparent}
.btn-ghost:hover{border-color:var(--stroke-2);background:rgba(56,189,248,.08)}
.btn-sm{padding:10px 18px;font-size:.86rem}
.btn-block{width:100%}
/* ---------- HERO / BENTO ---------- */
.hero{
  position:relative;padding:150px 0 84px;overflow:hidden;
  background:
    linear-gradient(180deg,rgba(3,7,18,.88) 0%,rgba(3,7,18,.95) 62%,var(--bg) 100%),
    url('/assets/images/1700f3b5690b8d12.jpg') center/cover no-repeat;
}
.hero::after{
  content:"";position:absolute;inset:0;pointer-events:none;
  background:
    radial-gradient(520px 320px at 84% 10%,rgba(56,189,248,.20),transparent 70%),
    radial-gradient(420px 260px at 6% 84%,rgba(37,99,235,.22),transparent 72%);
}
.hero-inner{position:relative;z-index:2;display:grid;grid-template-columns:1.05fr .95fr;gap:48px;align-items:start}
.hero-copy h1{font-size:clamp(1.8rem,4.05vw,2.8rem);font-weight:900;letter-spacing:-.02em;margin-bottom:18px}
.hero-lead{color:#CBD5E1;font-size:1.03rem;line-height:1.7;max-width:640px;margin-bottom:24px}
.hero-cta{display:flex;flex-wrap:wrap;gap:12px;margin-bottom:24px}
.hero-tags{display:flex;flex-wrap:wrap;gap:9px}
.hero-tags li{
  font-size:.79rem;font-weight:600;color:var(--holo);
  border:1px solid var(--stroke);background:rgba(37,99,235,.12);
  border-radius:999px;padding:6px 13px;
}
.bento{display:grid;grid-template-columns:1fr 1fr;gap:14px}
.bento-block{
  border-radius:var(--r);padding:20px;
  background:var(--glass);border:1px solid var(--stroke);
  backdrop-filter:blur(12px);-webkit-backdrop-filter:blur(12px);
  box-shadow:var(--shadow);
}
.bento-main{
  grid-column:1 / -1;
  background:linear-gradient(150deg,rgba(37,99,235,.28),rgba(9,21,44,.82));
  border-color:var(--stroke-2);
}
.bento-main .bento-num{font-size:clamp(2.2rem,5vw,3rem);font-weight:900;color:var(--cyan);letter-spacing:-.03em;line-height:1}
.bento-main .bento-label{color:#CBD5E1;font-size:.92rem;margin-top:8px}
.bento-num-sm{font-size:1.55rem;font-weight:900;color:var(--text);letter-spacing:-.02em;line-height:1.1}
.bento-label-sm{color:var(--muted);font-size:.82rem;margin-top:6px;display:block}
.bento-cta{
  grid-column:1 / -1;display:flex;align-items:center;justify-content:space-between;gap:14px;flex-wrap:wrap;
  padding:16px 20px;border-radius:var(--r);
  background:linear-gradient(120deg,rgba(56,189,248,.16),rgba(37,99,235,.14));
  border:1px solid var(--stroke-2);
}
.bento-cta p{margin:0;font-size:.88rem;color:#CBD5E1}
/* ---------- PILLARS ---------- */
.pillar-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:22px}
.pillar{padding:26px 24px;border-radius:var(--r);background:var(--glass);border:1px solid var(--stroke);transition:transform .25s ease,border-color .25s ease,box-shadow .25s ease}
.pillar:hover{transform:translateY(-4px);border-color:var(--stroke-2);box-shadow:var(--glow)}
.pillar-num{
  display:inline-grid;place-items:center;width:42px;height:42px;border-radius:12px;
  background:rgba(56,189,248,.12);border:1px solid var(--stroke);
  color:var(--cyan);font-weight:900;margin-bottom:16px;
}
.pillar h3{font-size:1.08rem;font-weight:800;margin-bottom:10px}
.pillar p{color:var(--muted);font-size:.94rem;margin:0}
/* ---------- VỐN TABLE ---------- */
.von-table{border:1px solid var(--stroke);border-radius:var(--r);overflow:hidden;background:var(--glass-2)}
.von-row{
  display:grid;grid-template-columns:1.3fr .75fr .75fr .75fr .75fr 1.2fr;
  gap:10px;padding:16px 20px;border-bottom:1px solid rgba(56,189,248,.12);
  font-size:.92rem;align-items:center;
}
.von-row:last-child{border-bottom:0}
.von-row.head{
  background:rgba(37,99,235,.16);color:var(--holo);font-weight:800;
  font-size:.74rem;letter-spacing:.08em;text-transform:uppercase;
}
.von-row span:first-child{font-weight:700;color:var(--cyan)}
.von-row .stop{color:var(--rose);font-weight:700}
.von-note{display:flex;gap:12px;align-items:flex-start;margin-top:18px;color:var(--muted);font-size:.9rem}
.von-note i{color:var(--cyan);margin-top:5px}
/* ---------- STEPS ---------- */
.steps{display:grid;gap:14px}
.step{
  display:grid;grid-template-columns:56px 1fr;gap:20px;align-items:start;
  padding:20px 22px;border-radius:var(--r);
  background:linear-gradient(120deg,rgba(13,30,60,.72),rgba(9,21,44,.55));
  border:1px solid var(--stroke);transition:border-color .25s ease,transform .25s ease;
}
.step:hover{border-color:var(--stroke-2);transform:translateX(4px)}
.step-idx{
  width:56px;height:56px;border-radius:16px;display:grid;place-items:center;
  font-weight:900;color:#04101f;background:linear-gradient(140deg,var(--cyan),var(--blue));
  box-shadow:0 0 18px rgba(56,189,248,.35);
}
.step h3{font-size:1.02rem;font-weight:800;margin-bottom:6px}
.step p{margin:0;color:var(--muted);font-size:.93rem}
/* ---------- SCENARIO CARDS ---------- */
.scenario-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:24px}
.scenario{border-radius:var(--r-lg);overflow:hidden;border:1px solid var(--stroke);background:var(--glass);display:flex;flex-direction:column;transition:transform .25s ease,border-color .25s ease,box-shadow .25s ease}
.scenario:hover{transform:translateY(-5px);border-color:var(--stroke-2);box-shadow:var(--glow)}
.scenario img{width:100%;aspect-ratio:16/10;object-fit:cover}
.scenario-body{padding:22px 22px 24px}
.scenario-body h3{font-size:1.1rem;font-weight:800;margin-bottom:10px}
.scenario-body p{color:var(--muted);font-size:.93rem;margin:0}
.scenario-tag{
  display:inline-block;font-size:.7rem;font-weight:800;letter-spacing:.1em;text-transform:uppercase;
  color:var(--cyan);background:rgba(56,189,248,.1);border:1px solid var(--stroke);
  border-radius:999px;padding:5px 12px;margin-bottom:12px;
}
/* ---------- MISTAKES ---------- */
.mistake-list{display:grid;gap:12px}
.mistake-list li{
  display:grid;grid-template-columns:34px 1fr;gap:16px;align-items:start;
  padding:16px 20px;border-radius:var(--r-sm);
  background:rgba(251,113,133,.06);border:1px solid rgba(251,113,133,.22);
}
.mistake-list i{color:var(--rose);margin-top:4px}
.mistake-list strong{display:block;font-size:.98rem;margin-bottom:4px}
.mistake-list span{color:var(--muted);font-size:.9rem}
/* ---------- PAYMENTS ---------- */
.pay-wrap{display:grid;grid-template-columns:1fr 1fr;gap:34px;align-items:center}
.pay-badges{display:flex;flex-wrap:wrap;gap:12px;margin:22px 0}
.pay-badge{
  display:inline-flex;align-items:center;gap:9px;padding:11px 18px;border-radius:14px;
  background:var(--glass);border:1px solid var(--stroke);font-weight:700;font-size:.88rem;
  transition:border-color .22s ease,transform .22s ease;
}
.pay-badge:hover{border-color:var(--stroke-2);transform:translateY(-2px)}
.pay-badge i{color:var(--cyan)}
.pay-list{display:grid;gap:12px}
.pay-list li{display:grid;grid-template-columns:26px 1fr;gap:12px;color:var(--muted);font-size:.93rem}
.pay-list i{color:var(--green);margin-top:4px}
.pay-figure{border-radius:var(--r-lg);overflow:hidden;border:1px solid var(--stroke)}
.pay-figure img{width:100%;aspect-ratio:4/3;object-fit:cover}
/* ---------- TIERS ---------- */
.tier-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:24px}
.tier{
  padding:28px 24px;border-radius:var(--r-lg);background:var(--glass-2);
  border:1px solid var(--stroke);display:flex;flex-direction:column;gap:14px;
  transition:transform .25s ease,border-color .25s ease,box-shadow .25s ease;
}
.tier:hover{transform:translateY(-5px);border-color:var(--stroke-2);box-shadow:var(--glow)}
.tier.is-featured{
  background:linear-gradient(160deg,rgba(37,99,235,.24),rgba(9,21,44,.86));
  border-color:var(--stroke-2);
}
.tier-name{font-size:.76rem;font-weight:800;letter-spacing:.12em;text-transform:uppercase;color:var(--cyan)}
.tier-range{font-size:1.7rem;font-weight:900;letter-spacing:-.02em}
.tier-range small{display:block;font-size:.78rem;font-weight:600;color:var(--muted);letter-spacing:0;margin-top:4px}
.tier ul{display:grid;gap:10px}
.tier li{display:grid;grid-template-columns:22px 1fr;gap:10px;font-size:.9rem;color:var(--muted)}
.tier li i{color:var(--cyan);margin-top:4px}
.tier-foot{margin-top:auto;padding-top:12px;border-top:1px solid rgba(56,189,248,.16);font-size:.86rem;color:var(--holo)}
/* ---------- CHANNELS ---------- */
.channel-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:22px}
.channel{
  display:block;padding:26px 24px;border-radius:var(--r);
  background:var(--glass);border:1px solid var(--stroke);
  transition:transform .25s ease,border-color .25s ease,background .25s ease;
}
.channel:hover{transform:translateY(-4px);border-color:var(--stroke-2);background:rgba(37,99,235,.14)}
.channel i{font-size:1.3rem;color:var(--cyan);margin-bottom:14px;display:block}
.channel h3{font-size:1.05rem;font-weight:800;margin-bottom:8px}
.channel p{margin:0;color:var(--muted);font-size:.9rem}
.channel.is-current{border-style:dashed;opacity:.85;cursor:default}
.channel.is-current:hover{transform:none;background:var(--glass)}
.channel-state{display:inline-block;margin-top:12px;font-size:.72rem;font-weight:800;letter-spacing:.1em;text-transform:uppercase;color:var(--gold)}
/* ---------- FAQ + CTA ---------- */
.faq-list{display:grid;gap:12px;max-width:900px}
.faq-item{
  border:1px solid var(--stroke);border-radius:var(--r);
  background:var(--glass);padding:0;overflow:hidden;transition:border-color .22s ease;
}
.faq-item[open]{border-color:var(--stroke-2)}
.faq-item summary{
  list-style:none;cursor:pointer;padding:18px 22px;
  font-weight:700;font-size:1rem;display:flex;justify-content:space-between;gap:16px;align-items:center;
}
.faq-item summary::-webkit-details-marker{display:none}
.faq-item summary::after{content:"+";color:var(--cyan);font-size:1.3rem;font-weight:800;line-height:1}
.faq-item[open] summary::after{content:"–"}
.faq-item .faq-body{padding:0 22px 20px;color:var(--muted);font-size:.94rem}
.cta-strip{
  margin-top:44px;padding:34px 32px;border-radius:var(--r-lg);
  background:linear-gradient(120deg,rgba(37,99,235,.28),rgba(6,182,212,.16));
  border:1px solid var(--stroke-2);box-shadow:var(--shadow);
  display:grid;grid-template-columns:1.4fr 1fr;gap:26px;align-items:center;
}
.cta-strip h2{font-size:clamp(1.3rem,2.6vw,1.8rem);font-weight:900;margin-bottom:10px}
.cta-strip p{margin:0;color:#CBD5E1;font-size:.95rem}
.cta-actions{display:flex;flex-wrap:wrap;gap:12px;justify-content:flex-end}
/* ---------- FAB ---------- */
.fab{
  position:fixed;left:16px;bottom:96px;z-index:60;
  width:58px;height:58px;border-radius:50%;display:grid;place-items:center;
  color:var(--cyan);font-size:1.2rem;
  background:linear-gradient(150deg,rgba(37,99,235,.6),rgba(6,182,212,.34)),rgba(7,7,13,.82);
  backdrop-filter:blur(12px);-webkit-backdrop-filter:blur(12px);
  border:1px solid rgba(56,189,248,.55);
  box-shadow:0 0 20px rgba(6,182,212,.45);
  opacity:.78;
  transition:transform .22s ease,opacity .22s ease,box-shadow .22s ease;
  animation:fabFloat 3.4s ease-in-out infinite;
}
.fab:hover{opacity:1;transform:scale(1.08);box-shadow:0 0 32px rgba(6,182,212,.72)}
.fab:active{transform:scale(.94)}
.fab-dot{
  position:absolute;top:5px;right:5px;width:11px;height:11px;border-radius:50%;
  background:var(--rose);box-shadow:0 0 10px var(--rose);animation:blink 1.7s ease-in-out infinite;
}
@keyframes fabFloat{0%,100%{transform:translateY(0)}50%{transform:translateY(-6px)}}
@keyframes blink{0%,100%{opacity:1}50%{opacity:.35}}
/* ---------- FOOTER ---------- */
.site-footer{
  background:linear-gradient(180deg,var(--bg-2),var(--bg));
  border-top:1px solid rgba(56,189,248,.16);
  padding:64px 0 28px;position:relative;
}
.footer-top{padding-bottom:8px}
.footer-brand{display:flex;align-items:center;gap:11px;margin-bottom:16px}
.footer-about{color:var(--muted);font-size:.9rem;max-width:420px;margin:0}
.footer-col h4{font-size:.82rem;font-weight:800;letter-spacing:.12em;text-transform:uppercase;color:var(--holo);margin-bottom:14px}
.footer-col ul{display:grid;gap:10px}
.footer-col a{color:var(--muted);font-size:.9rem;transition:color .2s ease}
.footer-col a:hover{color:var(--cyan)}
.footer-contact li{display:grid;grid-template-columns:22px 1fr;gap:10px;color:var(--muted);font-size:.9rem}
.footer-contact i{color:var(--cyan);margin-top:4px}
.footer-bottom{
  margin-top:36px;padding-top:22px;border-top:1px solid rgba(56,189,248,.14);
  display:flex;flex-wrap:wrap;gap:16px;justify-content:space-between;align-items:center;
}
.footer-bottom p{margin:0;color:var(--dim);font-size:.84rem}
.footer-badges{display:flex;flex-wrap:wrap;gap:10px}
.footer-badges span{
  font-size:.72rem;font-weight:700;letter-spacing:.06em;text-transform:uppercase;
  color:var(--muted);border:1px solid var(--stroke);border-radius:999px;padding:6px 12px;
  background:rgba(56,189,248,.06);
}
/* ---------- RESPONSIVE ---------- */
@media (max-width:1024px){
  .hero-inner{grid-template-columns:1fr;gap:38px}
  .pillar-grid,.scenario-grid,.tier-grid,.channel-grid{grid-template-columns:1fr 1fr}
  .pay-wrap{grid-template-columns:1fr}
  .cta-strip{grid-template-columns:1fr}
  .cta-actions{justify-content:flex-start}
}
@media (max-width:900px){
  .nav-toggle{display:inline-flex;align-items:center;justify-content:center}
  .main-nav{
    position:absolute;top:72px;left:0;right:0;flex-direction:column;align-items:stretch;gap:4px;
    padding:14px 20px 20px;display:none;
    background:rgba(3,7,18,.98);border-bottom:1px solid var(--stroke);
    backdrop-filter:blur(16px);-webkit-backdrop-filter:blur(16px);
  }
  .main-nav.is-open{display:flex}
  .nav-link{padding:12px 14px;font-size:.95rem}
  .section{padding:70px 0}
}
@media (max-width:768px){
  .pillar-grid,.scenario-grid,.tier-grid,.channel-grid{grid-template-columns:1fr}
  .bento{grid-template-columns:1fr}
  .von-row{grid-template-columns:1fr 1fr;gap:8px 14px;padding:16px}
  .von-row.head{display:none}
  .von-row > span{display:flex;justify-content:space-between;gap:10px;padding-bottom:6px;border-bottom:1px dashed rgba(56,189,248,.14)}
  .von-row > span::before{content:attr(data-label);color:var(--dim);font-size:.72rem;text-transform:uppercase;letter-spacing:.06em}
  .von-row > span:first-child{grid-column:1/-1;font-weight:800;color:var(--cyan);border-bottom:1px solid rgba(56,189,248,.2)}
  .von-row > span:first-child::before{color:var(--cyan)}
  .step{grid-template-columns:44px 1fr;gap:16px;padding:18px}
  .step-idx{width:44px;height:44px;border-radius:13px;font-size:.9rem}
  .cta-strip{padding:26px 22px}
}
@media (max-width:520px){
  .hero{padding:126px 0 64px}
  .brand-text em{display:none}
  .brand-text strong{font-size:.86rem}
  .btn-ghost{padding:8px 11px;font-size:.8rem}
  .btn-sm{padding:9px 14px;font-size:.8rem}
  .hero-cta .btn{width:100%}
  .section{padding:58px 0}
  .footer-bottom{flex-direction:column;align-items:flex-start}
}

/* roulang page: category3 */
:root{
  --bg:#030712;
  --bg-2:#081229;
  --bg-3:#0A1834;
  --glass:rgba(13,30,60,.62);
  --glass-2:rgba(9,21,44,.86);
  --stroke:rgba(56,189,248,.18);
  --stroke-2:rgba(56,189,248,.42);
  --blue:#2563EB;
  --cyan:#38BDF8;
  --holo:#60A5FA;
  --text:#F8FAFC;
  --muted:#94A3B8;
  --dim:#64748B;
  --gold:#FCD34D;
  --green:#34D399;
  --rose:#FB7185;
  --r-sm:12px;
  --r:18px;
  --r-lg:26px;
  --shadow:0 22px 48px rgba(2,8,23,.6);
  --glow:0 0 24px rgba(56,189,248,.32);
  --maxw:1180px;
}
*,*::before,*::after{box-sizing:border-box}
html{scroll-behavior:smooth;-webkit-text-size-adjust:100%}
body{
  margin:0;
  font-family:"Inter","Segoe UI",system-ui,-apple-system,"Helvetica Neue",Arial,sans-serif;
  background:var(--bg);
  color:var(--text);
  line-height:1.65;
  font-size:16px;
  -webkit-font-smoothing:antialiased;
  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:inherit;cursor:pointer;border:0;background:none;color:inherit}
h1,h2,h3,h4{margin:0;line-height:1.25;letter-spacing:-.015em}
p{margin:0 0 16px}
a:focus-visible,button:focus-visible,.fab:focus-visible{outline:2px solid var(--cyan);outline-offset:3px;border-radius:8px}
.container{width:100%;max-width:var(--maxw);margin:0 auto;padding:0 20px}
.section{padding:88px 0;position:relative}
.section--alt{background:linear-gradient(180deg,rgba(8,18,41,.85) 0%,rgba(3,7,18,.9) 100%);border-top:1px solid rgba(56,189,248,.08);border-bottom:1px solid rgba(56,189,248,.08)}
.section--glow::before{
  content:"";position:absolute;inset:0;pointer-events:none;
  background:radial-gradient(600px 240px at 15% 0%,rgba(37,99,235,.22),transparent 70%);
}
.eyebrow{
  display:inline-flex;align-items:center;gap:8px;
  font-size:.72rem;font-weight:700;letter-spacing:.14em;text-transform:uppercase;
  color:var(--cyan);background:rgba(56,189,248,.08);
  border:1px solid var(--stroke);border-radius:999px;padding:6px 14px;margin-bottom:16px;
}
.sec-title{font-size:clamp(1.5rem,3.2vw,2.15rem);font-weight:800;margin-bottom:14px}
.sec-title span{color:var(--cyan)}
.sec-sub{color:var(--muted);max-width:680px;margin:0}
.sec-head{display:grid;grid-template-columns:minmax(0,.85fr) minmax(0,1.15fr);gap:42px;align-items:end;margin-bottom:44px}
.sec-head--stack{grid-template-columns:1fr;align-items:start}
.rule{height:1px;background:linear-gradient(90deg,rgba(56,189,248,.42),rgba(56,189,248,0));border:0;margin:0 0 34px}
/* ---------- HEADER ---------- */
.site-header{
  position:fixed;top:0;left:0;right:0;z-index:80;
  background:rgba(3,7,18,.82);
  backdrop-filter:blur(16px);-webkit-backdrop-filter:blur(16px);
  border-bottom:1px solid rgba(56,189,248,.14);
  transition:box-shadow .3s ease,background .3s ease;
}
.site-header.is-scrolled{box-shadow:0 12px 34px rgba(2,8,23,.65);background:rgba(3,7,18,.94)}
.nav-wrap{display:flex;align-items:center;justify-content:space-between;gap:16px;height:72px}
.brand{display:flex;align-items:center;gap:11px;flex-shrink:0}
.brand-mark{
  width:40px;height:40px;flex:0 0 40px;border-radius:12px;
  display:grid;place-items:center;
  background:linear-gradient(140deg,var(--blue),var(--cyan));
  font-weight:900;font-size:.92rem;color:#04101f;
  box-shadow:0 0 20px rgba(56,189,248,.4);
}
.brand-text{display:flex;flex-direction:column;line-height:1.15;min-width:0}
.brand-text strong{font-size:.94rem;font-weight:800;letter-spacing:-.01em}
.brand-text em{font-style:normal;font-size:.68rem;color:var(--cyan);letter-spacing:.06em;text-transform:uppercase}
.main-nav{display:flex;align-items:center;gap:4px}
.nav-link{
  padding:9px 14px;border-radius:10px;font-size:.9rem;font-weight:600;color:var(--muted);
  transition:color .22s ease,background .22s ease;
}
.nav-link:hover{color:var(--text);background:rgba(56,189,248,.09)}
.nav-link.is-active{color:var(--cyan);background:rgba(56,189,248,.12);box-shadow:inset 0 0 0 1px rgba(56,189,248,.28)}
.nav-actions{display:flex;align-items:center;gap:10px}
.nav-toggle{
  display:none;width:44px;height:44px;border-radius:12px;
  border:1px solid var(--stroke);background:rgba(56,189,248,.07);
  color:var(--text);font-size:1.05rem;place-items:center;
}
.nav-toggle:hover{background:rgba(56,189,248,.15)}
/* ---------- BUTTONS ---------- */
.btn{
  display:inline-flex;align-items:center;justify-content:center;gap:9px;
  padding:13px 24px;border-radius:999px;font-weight:700;font-size:.94rem;
  transition:transform .2s ease,box-shadow .25s ease,background .25s ease,color .25s ease,border-color .25s ease;
  white-space:nowrap;
}
.btn-primary{
  background:linear-gradient(135deg,var(--blue),var(--cyan));
  color:#04101f;box-shadow:0 10px 28px rgba(37,99,235,.42),0 0 22px rgba(56,189,248,.35);
}
.btn-primary:hover{transform:translateY(-2px);box-shadow:0 16px 36px rgba(37,99,235,.55),0 0 30px rgba(56,189,248,.5);color:#04101f}
.btn-primary:active{transform:translateY(0) scale(.98)}
.btn-outline{border:1px solid var(--stroke-2);color:var(--text);background:rgba(56,189,248,.06)}
.btn-outline:hover{background:rgba(56,189,248,.16);transform:translateY(-2px);color:var(--text)}
.btn-ghost{padding:10px 16px;border-radius:999px;font-size:.88rem;font-weight:700;color:var(--cyan);border:1px solid transparent}
.btn-ghost:hover{border-color:var(--stroke-2);background:rgba(56,189,248,.08)}
.btn-sm{padding:10px 18px;font-size:.86rem}
/* ---------- HERO ---------- */
.hero{
  position:relative;padding:148px 0 78px;overflow:hidden;
  background:
    linear-gradient(180deg,rgba(3,7,18,.88) 0%,rgba(3,7,18,.95) 58%,var(--bg) 100%),
    url('/assets/images/1700f3b5690b8d12.jpg') center/cover no-repeat;
}
.hero::after{
  content:"";position:absolute;inset:0;pointer-events:none;
  background:
    radial-gradient(540px 320px at 84% 10%,rgba(56,189,248,.20),transparent 70%),
    radial-gradient(430px 260px at 6% 84%,rgba(37,99,235,.22),transparent 72%);
}
.hero-grid{position:relative;z-index:2;display:grid;grid-template-columns:minmax(0,1.06fr) minmax(0,.94fr);gap:50px;align-items:start}
.hero h1{font-size:clamp(1.8rem,3.9vw,2.72rem);font-weight:900;letter-spacing:-.022em;margin-bottom:18px}
.hero-lead{color:#CBD5E1;font-size:1.02rem;line-height:1.7;max-width:640px;margin-bottom:26px}
.hero-cta{display:flex;flex-wrap:wrap;gap:12px;margin-bottom:26px}
.hero-tags{display:flex;flex-wrap:wrap;gap:9px}
.hero-tags li{
  font-size:.78rem;font-weight:600;color:var(--holo);
  border:1px solid var(--stroke);background:rgba(37,99,235,.12);
  border-radius:999px;padding:6px 13px;
}
.hero-feature{
  background:var(--glass);border:1px solid var(--stroke);border-radius:var(--r-lg);
  padding:18px;backdrop-filter:blur(14px);-webkit-backdrop-filter:blur(14px);
  box-shadow:var(--shadow);
}
.hero-feature img{border-radius:var(--r);width:100%;height:212px;object-fit:cover}
.hero-feature-cap{display:flex;align-items:center;justify-content:space-between;gap:10px;margin:14px 2px 12px}
.hero-feature-cap strong{font-size:.98rem}
.hero-feature-cap span{font-size:.74rem;font-weight:700;letter-spacing:.08em;text-transform:uppercase;color:var(--green)}
.hero-stats{display:grid;grid-template-columns:repeat(3,minmax(0,1fr));gap:10px}
.hero-stat{background:rgba(3,10,26,.62);border:1px solid var(--stroke);border-radius:var(--r-sm);padding:12px 12px 11px}
.hero-stat strong{display:block;font-size:1.02rem;color:var(--cyan);letter-spacing:-.01em}
.hero-stat em{font-style:normal;font-size:.72rem;color:var(--muted);line-height:1.35;display:block;margin-top:4px}
/* ---------- SPLIT / VALUE ---------- */
.split{display:grid;grid-template-columns:minmax(0,.8fr) minmax(0,1.2fr);gap:48px;align-items:start}
.split-body p{color:#CBD5E1}
.stat-row{display:grid;grid-template-columns:repeat(3,minmax(0,1fr));gap:16px;margin-top:26px}
.stat-block{
  border-left:2px solid var(--stroke-2);padding:4px 0 4px 16px;
}
.stat-block strong{display:block;font-size:1.35rem;font-weight:900;color:var(--text);letter-spacing:-.02em}
.stat-block span{font-size:.82rem;color:var(--muted);line-height:1.5;display:block;margin-top:4px}
.note-line{margin-top:24px;font-size:.84rem;color:var(--dim);border-top:1px dashed rgba(56,189,248,.22);padding-top:14px}
/* ---------- FEATURE CARDS ---------- */
.feature-grid{display:grid;grid-template-columns:repeat(4,minmax(0,1fr));gap:18px}
.feature-card{
  background:var(--glass);border:1px solid var(--stroke);border-radius:var(--r);
  padding:24px 22px;display:flex;flex-direction:column;gap:12px;
  transition:transform .25s ease,border-color .25s ease,box-shadow .25s ease;
}
.feature-card:hover{transform:translateY(-4px);border-color:var(--stroke-2);box-shadow:var(--glow)}
.feature-icon{
  width:46px;height:46px;border-radius:14px;display:grid;place-items:center;
  background:linear-gradient(140deg,rgba(37,99,235,.55),rgba(56,189,248,.28));
  border:1px solid var(--stroke);color:#E0F2FE;font-size:1.05rem;
}
.feature-card h3{font-size:1.04rem;font-weight:800}
.feature-card p{font-size:.9rem;color:var(--muted);margin:0}
.feature-tag{
  align-self:flex-start;font-size:.72rem;font-weight:700;letter-spacing:.05em;
  color:var(--gold);border:1px solid rgba(252,211,77,.35);background:rgba(252,211,77,.08);
  border-radius:999px;padding:4px 11px;
}
/* ---------- SCENARIOS ---------- */
.scenario-list{display:grid;gap:0}
.scenario-item{
  display:grid;grid-template-columns:64px minmax(0,1fr) minmax(0,.72fr);gap:24px;
  padding:26px 0;border-top:1px solid rgba(56,189,248,.14);align-items:start;
}
.scenario-item:last-child{border-bottom:1px solid rgba(56,189,248,.14)}
.scenario-num{
  width:52px;height:52px;border-radius:14px;display:grid;place-items:center;
  font-weight:900;font-size:1.05rem;color:var(--cyan);
  background:rgba(37,99,235,.14);border:1px solid var(--stroke);
}
.scenario-body h3{font-size:1.08rem;font-weight:800;margin-bottom:8px}
.scenario-body p{font-size:.92rem;color:var(--muted);margin:0}
.scenario-meta{display:grid;gap:8px}
.scenario-meta li{
  font-size:.84rem;color:#CBD5E1;display:flex;gap:9px;align-items:flex-start;
}
.scenario-meta i{color:var(--green);margin-top:4px;font-size:.78rem}
/* ---------- PROCESS ---------- */
.process-grid{display:grid;grid-template-columns:minmax(0,1.05fr) minmax(0,.95fr);gap:46px;align-items:start}
.step-list{display:grid;gap:14px}
.step-item{
  display:grid;grid-template-columns:44px minmax(0,1fr);gap:16px;align-items:start;
  background:rgba(9,21,44,.6);border:1px solid var(--stroke);border-radius:var(--r);padding:18px 20px;
  transition:border-color .25s ease,background .25s ease;
}
.step-item:hover{border-color:var(--stroke-2);background:rgba(13,30,60,.72)}
.step-num{
  width:36px;height:36px;border-radius:50%;display:grid;place-items:center;
  font-size:.86rem;font-weight:800;color:#04101f;background:linear-gradient(135deg,var(--cyan),var(--holo));
}
.step-item h3{font-size:.99rem;font-weight:800;margin-bottom:5px}
.step-item p{font-size:.88rem;color:var(--muted);margin:0}
.process-media{position:sticky;top:104px}
.process-media img{border-radius:var(--r);border:1px solid var(--stroke);width:100%;height:290px;object-fit:cover}
.media-caption{
  margin-top:16px;background:var(--glass-2);border:1px solid var(--stroke);
  border-radius:var(--r);padding:18px 20px;
}
.media-caption h4{font-size:.95rem;font-weight:800;margin-bottom:10px;color:var(--cyan)}
.media-caption ul{display:grid;gap:8px}
.media-caption li{font-size:.86rem;color:#CBD5E1;display:flex;gap:9px}
.media-caption i{color:var(--cyan);margin-top:4px;font-size:.76rem}
/* ---------- CASES ---------- */
.case-grid{display:grid;grid-template-columns:repeat(3,minmax(0,1fr));gap:18px}
.case-card{
  background:linear-gradient(165deg,rgba(13,30,60,.72),rgba(5,12,28,.85));
  border:1px solid var(--stroke);border-radius:var(--r);padding:24px 22px;
}
.case-label{font-size:.74rem;font-weight:700;letter-spacing:.08em;text-transform:uppercase;color:var(--holo)}
.case-figure{font-size:1.6rem;font-weight:900;color:var(--text);margin:10px 0 4px;letter-spacing:-.02em}
.case-figure small{font-size:.78rem;font-weight:600;color:var(--green);display:block;letter-spacing:0;margin-top:4px}
.case-card p{font-size:.88rem;color:var(--muted);margin:12px 0 0}
/* ---------- TIERS ---------- */
.tier-grid{display:grid;grid-template-columns:repeat(3,minmax(0,1fr));gap:18px;align-items:stretch}
.tier-card{
  background:var(--glass);border:1px solid var(--stroke);border-radius:var(--r-lg);
  padding:28px 24px;display:flex;flex-direction:column;gap:16px;
  transition:transform .25s ease,box-shadow .25s ease,border-color .25s ease;
}
.tier-card:hover{transform:translateY(-4px);border-color:var(--stroke-2)}
.tier-card.is-featured{
  border-color:var(--stroke-2);
  background:linear-gradient(170deg,rgba(37,99,235,.24),rgba(9,21,44,.86));
  box-shadow:0 0 32px rgba(56,189,248,.28);
}
.tier-head{display:flex;align-items:center;justify-content:space-between;gap:10px}
.tier-head h3{font-size:1.06rem;font-weight:800}
.tier-badge{
  font-size:.7rem;font-weight:800;letter-spacing:.06em;text-transform:uppercase;
  color:#04101f;background:linear-gradient(135deg,var(--cyan),var(--holo));
  border-radius:999px;padding:4px 10px;
}
.tier-range{font-size:.86rem;color:var(--muted)}
.tier-list{display:grid;gap:10px;flex:1}
.tier-list li{font-size:.88rem;color:#CBD5E1;display:flex;gap:10px;align-items:flex-start}
.tier-list i{color:var(--cyan);margin-top:4px;font-size:.78rem}
.tier-card .btn{width:100%}
/* ---------- QUOTES ---------- */
.quote-grid{display:grid;grid-template-columns:repeat(3,minmax(0,1fr));gap:18px}
.quote-card{
  background:rgba(9,21,44,.62);border:1px solid var(--stroke);border-radius:var(--r);
  padding:24px 22px;display:flex;flex-direction:column;gap:16px;
}
.quote-text{font-size:.92rem;color:#CBD5E1;margin:0}
.quote-author{display:flex;align-items:center;gap:12px;margin-top:auto}
.quote-avatar{
  width:40px;height:40px;border-radius:50%;display:grid;place-items:center;
  font-weight:800;font-size:.82rem;color:#04101f;
  background:linear-gradient(135deg,var(--holo),var(--cyan));
}
.quote-author strong{display:block;font-size:.88rem}
.quote-author span{font-size:.76rem;color:var(--dim)}
/* ---------- POST LIST ---------- */
.post-grid{display:grid;grid-template-columns:repeat(3,minmax(0,1fr));gap:18px}
.post-card{
  background:var(--glass);border:1px solid var(--stroke);border-radius:var(--r);
  overflow:hidden;display:flex;flex-direction:column;
  transition:transform .25s ease,border-color .25s ease,box-shadow .25s ease;
}
.post-card:hover{transform:translateY(-4px);border-color:var(--stroke-2);box-shadow:var(--glow)}
.post-thumb{
  height:6px;background:linear-gradient(90deg,var(--blue),var(--cyan));
}
.post-body{padding:22px 20px;display:flex;flex-direction:column;gap:10px;flex:1}
.post-meta{display:flex;flex-wrap:wrap;gap:10px;font-size:.74rem;color:var(--dim);letter-spacing:.04em;text-transform:uppercase}
.post-meta span{display:inline-flex;align-items:center;gap:6px}
.post-card h3{font-size:1rem;font-weight:800;line-height:1.4}
.post-card p{font-size:.87rem;color:var(--muted);margin:0}
.post-more{
  margin-top:auto;font-size:.82rem;font-weight:700;color:var(--cyan);display:inline-flex;gap:7px;align-items:center;
}
.empty-note{
  border:1px dashed rgba(56,189,248,.3);border-radius:var(--r);
  padding:26px;color:var(--muted);font-size:.92rem;background:rgba(9,21,44,.45);
}
.list-foot{display:flex;justify-content:flex-start;margin-top:30px}
/* ---------- CTA ---------- */
.cta-band{
  position:relative;overflow:hidden;border-radius:var(--r-lg);
  border:1px solid var(--stroke-2);
  background:
    linear-gradient(180deg,rgba(3,7,18,.82),rgba(3,7,18,.94)),
    url('/assets/images/39f31141bb287553.jpg') center/cover no-repeat;
  padding:52px 44px;text-align:center;
  box-shadow:0 0 40px rgba(37,99,235,.28);
}
.cta-band h2{font-size:clamp(1.4rem,3vw,1.95rem);font-weight:900;margin-bottom:14px}
.cta-band p{color:#CBD5E1;max-width:720px;margin:0 auto 26px}
.cta-actions{display:flex;flex-wrap:wrap;gap:12px;justify-content:center;margin-bottom:22px}
.pay-badges{display:flex;flex-wrap:wrap;gap:10px;justify-content:center}
.pay-badges span{
  font-size:.76rem;font-weight:700;color:var(--holo);
  border:1px solid var(--stroke);background:rgba(37,99,235,.14);
  border-radius:10px;padding:7px 13px;
}
/* ---------- FAB ---------- */
.fab{
  position:fixed;left:16px;bottom:96px;z-index:50;
  display:inline-flex;align-items:center;gap:9px;
  padding:9px 16px 9px 10px;border-radius:999px;
  background:rgba(7,14,32,.86);border:1px solid rgba(56,189,248,.55);
  backdrop-filter:blur(14px);-webkit-backdrop-filter:blur(14px);
  font-size:.82rem;font-weight:700;color:var(--text);
  opacity:.78;transition:opacity .25s ease,transform .25s ease,box-shadow .25s ease,border-color .25s ease;
  animation:fabPulse 3.8s ease-in-out infinite;
}
.fab:hover{opacity:1;transform:translateY(-3px) scale(1.04);box-shadow:0 0 30px rgba(56,189,248,.7);border-color:var(--cyan)}
.fab:active{transform:scale(.96)}
.fab-ic{
  width:34px;height:34px;border-radius:50%;display:grid;place-items:center;
  background:linear-gradient(135deg,var(--blue),var(--cyan));color:#04101f;font-size:.95rem;
}
.fab-dot{
  position:absolute;top:5px;right:9px;width:9px;height:9px;border-radius:50%;
  background:#22D3EE;box-shadow:0 0 10px #22D3EE;animation:dotBlink 1.6s ease-in-out infinite;
}
@keyframes fabPulse{0%,100%{box-shadow:0 0 16px rgba(56,189,248,.34)}50%{box-shadow:0 0 28px rgba(56,189,248,.62)}}
@keyframes dotBlink{0%,100%{opacity:1}50%{opacity:.25}}
/* ---------- FOOTER ---------- */
.site-footer{
  background:linear-gradient(180deg,rgba(3,7,18,.6),rgba(2,5,14,1));
  border-top:1px solid rgba(56,189,248,.14);padding:64px 0 26px;margin-top:0;
}
.footer-top{padding-bottom:6px}
.footer-brand{display:flex;align-items:center;gap:11px;margin-bottom:14px}
.footer-about{font-size:.87rem;color:var(--muted);max-width:420px;margin:0}
.footer-col h4{font-size:.9rem;font-weight:800;margin-bottom:14px;color:var(--text)}
.footer-col ul{display:grid;gap:9px}
.footer-col a{font-size:.86rem;color:var(--muted);transition:color .2s ease}
.footer-col a:hover{color:var(--cyan)}
.footer-contact li{font-size:.85rem;color:var(--muted);display:flex;gap:10px;align-items:flex-start}
.footer-contact i{color:var(--cyan);margin-top:5px;font-size:.8rem}
.footer-bottom{
  margin-top:34px;padding-top:20px;border-top:1px solid rgba(56,189,248,.12);
  display:flex;flex-wrap:wrap;gap:14px;align-items:center;justify-content:space-between;
}
.footer-bottom p{font-size:.8rem;color:var(--dim);margin:0}
.footer-badges{display:flex;flex-wrap:wrap;gap:9px}
.footer-badges span{
  font-size:.72rem;font-weight:700;color:var(--muted);
  border:1px solid var(--stroke);border-radius:999px;padding:5px 12px;background:rgba(56,189,248,.06);
}
/* ---------- RESPONSIVE ---------- */
@media (max-width:1024px){
  .section{padding:70px 0}
  .hero{padding:132px 0 66px}
  .hero-grid{grid-template-columns:1fr;gap:34px}
  .feature-grid{grid-template-columns:repeat(2,minmax(0,1fr))}
  .post-grid,.case-grid,.quote-grid,.tier-grid{grid-template-columns:repeat(2,minmax(0,1fr))}
  .process-media{position:static}
  .sec-head{grid-template-columns:1fr;gap:16px;align-items:start}
}
@media (max-width:980px){
  .nav-toggle{display:grid}
  .main-nav{
    position:absolute;top:72px;left:0;right:0;display:none;
    flex-direction:column;align-items:stretch;gap:6px;
    padding:16px 20px 22px;
    background:rgba(3,7,18,.97);border-bottom:1px solid var(--stroke);
    backdrop-filter:blur(16px);-webkit-backdrop-filter:blur(16px);
  }
  .main-nav.is-open{display:flex}
  .nav-link{padding:12px 14px;font-size:.94rem}
  .split{grid-template-columns:1fr;gap:26px}
  .process-grid{grid-template-columns:1fr;gap:30px}
  .scenario-item{grid-template-columns:56px minmax(0,1fr);gap:18px}
  .scenario-meta{grid-column:2}
}
@media (max-width:768px){
  .section{padding:58px 0}
  .hero{padding:118px 0 56px}
  .hero-feature img{height:186px}
  .hero-stats{grid-template-columns:1fr;gap:9px}
  .stat-row{grid-template-columns:1fr;gap:14px}
  .feature-grid,.post-grid,.case-grid,.quote-grid,.tier-grid{grid-template-columns:1fr}
  .cta-band{padding:38px 22px}
  .footer-bottom{flex-direction:column;align-items:flex-start}
}
@media (max-width:640px){
  .container{padding:0 14px}
  .nav-wrap{height:64px;gap:8px}
  .brand-text em{display:none}
  .brand-text strong{font-size:.8rem;display:block;max-width:104px;overflow:hidden;text-overflow:ellipsis;white-space:nowrap}
  .brand-mark{width:36px;height:36px;flex:0 0 36px;font-size:.84rem}
  .btn-ghost{padding:8px 10px;font-size:.76rem}
  .btn.btn-sm{padding:8px 13px;font-size:.76rem}
  .nav-toggle{width:38px;height:38px}
  .main-nav{top:64px}
  .fab{bottom:78px;left:12px;padding:8px 14px 8px 9px;font-size:.78rem}
  .fab-ic{width:30px;height:30px;font-size:.86rem}
  .step-item{grid-template-columns:36px minmax(0,1fr);gap:13px;padding:16px}
}
@media (max-width:430px){
  .brand-text{display:none}
  .hero h1{font-size:1.62rem}
  .scenario-item{grid-template-columns:1fr}
  .scenario-meta{grid-column:1}
}