/* roulang page: index */
:root{
  --bg:#04070F;
  --bg-deep:#03060D;
  --bg-soft:#071229;
  --panel:rgba(12,24,48,.66);
  --panel-2:rgba(8,18,41,.55);
  --line:rgba(56,189,248,.18);
  --line-mid:rgba(56,189,248,.32);
  --blue:#2563EB;
  --cyan:#38BDF8;
  --holo:#60A5FA;
  --pink:#F43F5E;
  --lime:#A3E635;
  --text:#F8FAFC;
  --muted:#94A3B8;
  --dim:#7C8AA0;
  --r-xl:26px;
  --r-lg:20px;
  --r-md:16px;
  --r-sm:10px;
  --shadow-soft:0 18px 44px rgba(0,0,0,.45);
  --shadow-glow:0 0 24px rgba(56,189,248,.45);
  --ease:.28s cubic-bezier(.4,0,.2,1);
}
*,*::before,*::after{box-sizing:border-box}
html{scroll-behavior:smooth;-webkit-text-size-adjust:100%}
body{
  margin:0;
  background:var(--bg);
  color:var(--text);
  font-family:'Be Vietnam Pro',-apple-system,BlinkMacSystemFont,'Segoe UI',Roboto,Arial,sans-serif;
  font-size:16px;
  line-height:1.65;
  -webkit-font-smoothing:antialiased;
  overflow-x:hidden;
}
img{max-width:100%;display:block;border:0}
a{color:inherit;text-decoration:none}
button,input{font-family:inherit;font-size:inherit}
h1,h2,h3,h4,p,ul,ol,figure{margin:0;padding:0}
ul,ol{list-style:none}
table{border-collapse:separate;border-spacing:0}
::selection{background:rgba(56,189,248,.35);color:#fff}
.container{width:100%;max-width:1200px;margin:0 auto;padding:0 20px}
:focus-visible{outline:2px solid var(--cyan);outline-offset:3px}

/* ============ BUTTONS ============ */
.btn{
  display:inline-flex;align-items:center;justify-content:center;gap:9px;
  padding:13px 24px;border-radius:999px;font-weight:700;font-size:15px;
  border:1px solid transparent;cursor:pointer;white-space:nowrap;
  transition:transform var(--ease),box-shadow var(--ease),background var(--ease),color var(--ease),border-color var(--ease);
}
.btn-primary{
  background:linear-gradient(135deg,#2563EB,#38BDF8);
  color:#03121F;box-shadow:0 0 22px rgba(56,189,248,.45);
}
.btn-primary:hover{transform:translateY(-2px);box-shadow:0 0 36px rgba(56,189,248,.75)}
.btn-primary:active{transform:translateY(0) scale(.98)}
.btn-ghost{
  background:rgba(148,163,184,.08);color:#E2E8F0;
  border-color:rgba(148,163,184,.32);
}
.btn-ghost:hover{border-color:var(--cyan);color:#fff;background:rgba(56,189,248,.14);transform:translateY(-2px)}
.btn-sm{padding:10px 18px;font-size:13.5px}
.btn-block{width:100%}

/* ============ HEADER / NAV ============ */
.site-header{
  position:fixed;top:0;left:0;right:0;z-index:100;
  background:rgba(4,7,15,.84);
  -webkit-backdrop-filter:blur(16px);backdrop-filter:blur(16px);
  border-bottom:1px solid rgba(56,189,248,.14);
}
.nav-wrap{display:flex;align-items:center;gap:20px;height:70px}
.brand{display:flex;align-items:center;gap:11px;flex-shrink:0}
.brand-mark{
  width:40px;height:40px;border-radius:13px;flex-shrink:0;
  background:linear-gradient(135deg,#2563EB,#38BDF8);
  display:grid;place-items:center;font-size:19px;color:#03121F;
  box-shadow:0 0 18px rgba(56,189,248,.5);
}
.brand-text{display:flex;flex-direction:column;line-height:1.15}
.brand-name{font-size:15px;font-weight:800;letter-spacing:.2px}
.brand-sub{font-size:10.5px;color:var(--dim);letter-spacing:1.6px;text-transform:uppercase}
.brand-short{display:none;font-size:15px;font-weight:800}
.main-nav{margin-left:auto}
.main-nav ul{display:flex;align-items:center;gap:4px}
.main-nav a{
  display:block;padding:9px 15px;border-radius:999px;
  font-size:14.5px;font-weight:500;color:var(--muted);
  transition:color var(--ease),background var(--ease),box-shadow var(--ease);
}
.main-nav a:hover{color:#fff;background:rgba(56,189,248,.1)}
.main-nav a.active{
  color:#fff;background:rgba(37,99,235,.24);
  box-shadow:inset 0 0 0 1px rgba(96,165,250,.45);
}
.nav-actions{display:flex;align-items:center;gap:10px;flex-shrink:0}
.btn-login{
  font-size:14px;font-weight:600;color:var(--cyan);
  padding:9px 12px;border-radius:999px;
  border:1px solid rgba(56,189,248,.3);
  transition:color var(--ease),border-color var(--ease),background var(--ease);
}
.btn-login:hover{color:#fff;border-color:var(--cyan);background:rgba(56,189,248,.12)}
.btn-signup{
  font-size:14px;font-weight:700;color:#03121F;
  padding:10px 18px;border-radius:999px;
  background:linear-gradient(135deg,#2563EB,#38BDF8);
  box-shadow:0 0 16px rgba(56,189,248,.42);
  transition:transform var(--ease),box-shadow var(--ease);
}
.btn-signup:hover{transform:translateY(-1px);box-shadow:0 0 26px rgba(56,189,248,.7)}
.nav-toggle{
  display:none;width:44px;height:44px;border-radius:12px;cursor:pointer;
  background:rgba(148,163,184,.1);border:1px solid rgba(148,163,184,.28);
  color:#fff;align-items:center;justify-content:center;
}
.mobile-drawer{
  display:none;border-top:1px solid rgba(56,189,248,.14);
  background:rgba(5,10,22,.97);padding:12px 20px 20px;
}
.mobile-drawer.open{display:block}
.mobile-drawer a{
  display:block;padding:13px 14px;border-radius:12px;
  color:var(--muted);font-weight:600;font-size:15px;
}
.mobile-drawer a.active{color:#fff;background:rgba(37,99,235,.22)}
.mobile-drawer a:hover{color:#fff;background:rgba(56,189,248,.1)}

/* ============ HERO ============ */
.hero{position:relative;padding:132px 0 76px;overflow:hidden}
.hero-bg{
  position:absolute;inset:0;
  background:url('/assets/images/9f3b56339518a3b2.jpg') center/cover no-repeat;
}
.hero-bg::after{
  content:'';position:absolute;inset:0;
  background:linear-gradient(180deg,rgba(4,7,15,.82) 0%,rgba(4,7,15,.9) 45%,var(--bg) 100%);
}
.hero-glow{
  position:absolute;width:620px;height:620px;border-radius:50%;
  top:-220px;right:-160px;pointer-events:none;
  background:radial-gradient(circle,rgba(56,189,248,.28),rgba(56,189,248,0) 68%);
}
.hero .container{position:relative;z-index:2}
.eyebrow{
  display:inline-flex;align-items:center;gap:9px;
  padding:8px 16px;border-radius:999px;font-size:12.5px;font-weight:700;
  letter-spacing:1.2px;text-transform:uppercase;color:#BAE6FD;
  background:rgba(37,99,235,.18);border:1px solid rgba(96,165,250,.36);
  -webkit-backdrop-filter:blur(8px);backdrop-filter:blur(8px);
}
.hero h1{
  margin-top:22px;font-size:clamp(28px,4.4vw,52px);line-height:1.2;
  font-weight:800;letter-spacing:-.8px;max-width:960px;
}
.hero h1 em{
  font-style:normal;
  background:linear-gradient(120deg,#38BDF8,#A3E635);
  -webkit-background-clip:text;background-clip:text;color:transparent;
}
.hero-lead{
  margin-top:20px;max-width:740px;font-size:16.5px;line-height:1.75;color:#CBD5E1;
}
.group-bar{
  margin-top:38px;display:grid;grid-template-columns:1.35fr .95fr;gap:26px;align-items:center;
  padding:24px 28px;border-radius:var(--r-xl);
  background:linear-gradient(135deg,rgba(12,24,48,.78),rgba(8,18,41,.58));
  border:1px solid var(--line-mid);
  -webkit-backdrop-filter:blur(14px);backdrop-filter:blur(14px);
  box-shadow:var(--shadow-soft);
}
.group-meta{display:flex;align-items:center;gap:14px;flex-wrap:wrap}
.avatars{display:flex}
.avatars span{
  width:34px;height:34px;border-radius:50%;margin-left:-10px;
  display:grid;place-items:center;font-size:12px;font-weight:700;color:#03121F;
  background:linear-gradient(135deg,#38BDF8,#2563EB);
  border:2px solid rgba(4,7,15,.9);
}
.avatars span:first-child{margin-left:0}
.avatars span.more{background:rgba(148,163,184,.28);color:#E2E8F0}
.group-count{font-size:15px;font-weight:700}
.group-count small{display:block;font-weight:500;color:var(--muted);font-size:13px}
.progress{height:9px;border-radius:99px;background:rgba(148,163,184,.18);overflow:hidden;margin-top:16px}
.progress span{
  display:block;height:100%;width:92%;border-radius:99px;
  background:linear-gradient(90deg,#2563EB,#38BDF8);
  box-shadow:0 0 16px rgba(56,189,248,.75);
}
.group-note{margin-top:10px;font-size:13px;color:var(--dim)}
.group-actions{display:flex;flex-direction:column;gap:12px}
.trust-row{
  margin-top:30px;display:flex;flex-wrap:wrap;gap:10px;align-items:center;
  font-size:12.5px;color:var(--muted);
}
.trust-row span{
  padding:7px 13px;border-radius:999px;
  background:rgba(148,163,184,.08);border:1px solid rgba(148,163,184,.18);
}
.trust-row span.age{color:#FDA4AF;border-color:rgba(244,63,94,.35);background:rgba(244,63,94,.1)}

/* ============ SECTIONS ============ */
main{position:relative;z-index:1}
.section{padding:74px 0;position:relative}
.section-tint{background:linear-gradient(180deg,rgba(7,18,41,.72),rgba(4,7,15,0) 78%)}
.section-deep{background:linear-gradient(180deg,rgba(3,6,13,.9),rgba(7,18,41,.45))}
.section-head{max-width:780px;margin-bottom:38px}
.kicker{
  display:inline-flex;align-items:center;gap:8px;
  font-size:12px;font-weight:800;letter-spacing:1.8px;text-transform:uppercase;
  color:var(--cyan);margin-bottom:14px;
}
.section-title{font-size:clamp(23px,3vw,36px);line-height:1.25;font-weight:800;letter-spacing:-.5px}
.section-sub{margin-top:14px;color:var(--muted);font-size:15.5px;line-height:1.75;max-width:700px}

/* ============ COUNTDOWN ============ */
.countdown-band{
  display:grid;grid-template-columns:1.1fr .9fr;gap:30px;align-items:center;
  padding:34px;border-radius:var(--r-xl);
  background:linear-gradient(135deg,rgba(37,99,235,.22),rgba(8,18,41,.85));
  border:1px solid var(--line-mid);
  -webkit-backdrop-filter:blur(14px);backdrop-filter:blur(14px);
}
.countdown-band h2{font-size:clamp(20px,2.6vw,30px);line-height:1.3;font-weight:800;letter-spacing:-.4px}
.countdown-band p{margin-top:12px;color:var(--muted);font-size:15px;max-width:560px}
.cd-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:14px}
.cd-box{
  text-align:center;padding:18px 10px;border-radius:var(--r-md);
  background:rgba(4,7,15,.62);border:1px solid rgba(56,189,248,.28);
  box-shadow:inset 0 0 26px rgba(56,189,248,.08);
}
.cd-box span{display:block;font-size:34px;font-weight:800;letter-spacing:-1px;color:#fff;line-height:1.1}
.cd-box small{display:block;margin-top:6px;font-size:11.5px;letter-spacing:1.6px;text-transform:uppercase;color:var(--dim)}
.mini-facts{display:grid;grid-template-columns:repeat(3,1fr);gap:16px;margin-top:22px}
.mini-facts div{
  padding:16px 18px;border-radius:var(--r-md);
  background:rgba(8,18,41,.55);border:1px solid rgba(148,163,184,.14);
}
.mini-facts b{display:block;font-size:20px;font-weight:800;color:#7DD3FC}
.mini-facts span{font-size:13px;color:var(--muted)}

/* ============ HIGHLIGHT GRID ============ */
.hl-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:18px}
.hl-card{
  position:relative;padding:26px;border-radius:var(--r-lg);
  background:linear-gradient(160deg,rgba(12,24,48,.74),rgba(8,18,41,.5));
  border:1px solid rgba(56,189,248,.16);
  -webkit-backdrop-filter:blur(10px);backdrop-filter:blur(10px);
  transition:transform var(--ease),border-color var(--ease),box-shadow var(--ease);
}
.hl-card:hover{transform:translateY(-5px);border-color:rgba(56,189,248,.5);box-shadow:0 22px 44px rgba(8,20,45,.6)}
.hl-card.wide{grid-column:span 2;display:flex;gap:24px;align-items:center}
.hl-card.wide .hl-media{
  flex:0 0 200px;height:150px;border-radius:var(--r-md);overflow:hidden;
  border:1px solid rgba(56,189,248,.22);
}
.hl-card.wide .hl-media img{width:100%;height:100%;object-fit:cover}
.hl-ico{
  width:48px;height:48px;border-radius:14px;display:grid;place-items:center;
  background:rgba(37,99,235,.2);border:1px solid rgba(96,165,250,.38);
  color:var(--cyan);font-size:18px;margin-bottom:16px;
}
.hl-card h3{font-size:17.5px;font-weight:700;line-height:1.4;margin-bottom:9px}
.hl-card p{font-size:14.5px;color:var(--muted);line-height:1.7}
.tag{
  display:inline-block;padding:5px 12px;border-radius:999px;
  font-size:11.5px;font-weight:700;letter-spacing:1px;text-transform:uppercase;
  background:rgba(163,230,53,.14);color:#BEF264;border:1px solid rgba(163,230,53,.32);
}
.tag.hot{background:rgba(244,63,94,.14);color:#FDA4AF;border-color:rgba(244,63,94,.34)}

/* ============ GIFT ============ */
.gift-wrap{display:grid;grid-template-columns:1.5fr 1fr;gap:30px;align-items:start}
.gift-list li{
  display:flex;gap:14px;padding:16px 0;border-bottom:1px dashed rgba(148,163,184,.18);
}
.gift-list li:last-child{border-bottom:0}
.gift-list i{color:var(--lime);font-size:16px;margin-top:4px}
.gift-list strong{display:block;font-size:15.5px;font-weight:700;margin-bottom:5px}
.gift-list span{font-size:14px;color:var(--muted);line-height:1.65}
.gift-panel{
  padding:28px;border-radius:var(--r-xl);
  background:linear-gradient(150deg,rgba(37,99,235,.26),rgba(8,18,41,.85));
  border:1px solid var(--line-mid);
  -webkit-backdrop-filter:blur(14px);backdrop-filter:blur(14px);
  box-shadow:var(--shadow-soft);
}
.gift-panel .value{font-size:38px;font-weight:800;letter-spacing:-1px;line-height:1.1}
.gift-panel .value small{display:block;font-size:13px;font-weight:500;letter-spacing:0;color:var(--muted);margin-top:8px}
.gift-panel .gift-img{
  margin:22px 0;border-radius:var(--r-md);overflow:hidden;border:1px solid rgba(56,189,248,.25);
}
.gift-panel .gift-img img{width:100%;height:150px;object-fit:cover}
.gift-panel p{font-size:14px;color:var(--muted);margin-bottom:18px;line-height:1.7}

/* ============ STEPS ============ */
.steps{display:grid;grid-template-columns:repeat(4,1fr);gap:18px}
.step{
  position:relative;padding:26px 22px;border-radius:var(--r-lg);
  background:rgba(8,18,41,.55);border:1px solid rgba(148,163,184,.14);
  transition:border-color var(--ease),transform var(--ease);
}
.step:hover{border-color:rgba(56,189,248,.45);transform:translateY(-4px)}
.step-num{font-size:12px;font-weight:800;letter-spacing:2.4px;color:var(--cyan)}
.step h3{margin:12px 0 9px;font-size:16.5px;font-weight:700;line-height:1.4}
.step p{font-size:14px;color:var(--muted);line-height:1.7}

/* ============ REWARDS ============ */
.reward-track{display:grid;grid-template-columns:repeat(4,1fr);gap:18px}
.reward-card{
  border-radius:var(--r-lg);overflow:hidden;
  background:rgba(8,18,41,.6);border:1px solid rgba(56,189,248,.2);
  transition:transform var(--ease),border-color var(--ease),box-shadow var(--ease);
}
.reward-card:hover{transform:translateY(-5px);border-color:rgba(56,189,248,.55);box-shadow:0 20px 40px rgba(8,20,45,.6)}
.reward-media{height:168px;overflow:hidden}
.reward-media img{width:100%;height:100%;object-fit:cover;opacity:.9;transition:transform .5s ease,opacity var(--ease)}
.reward-card:hover .reward-media img{transform:scale(1.06);opacity:1}
.reward-body{padding:18px 20px 22px}
.reward-body .rate{
  font-size:22px;font-weight:800;letter-spacing:-.6px;
  background:linear-gradient(120deg,#38BDF8,#A3E635);
  -webkit-background-clip:text;background-clip:text;color:transparent;
}
.reward-body h3{margin:8px 0 7px;font-size:15.5px;font-weight:700}
.reward-body p{font-size:13.5px;color:var(--muted);line-height:1.65}

/* ============ STATS ============ */
.stats-strip{
  display:grid;grid-template-columns:repeat(4,1fr);gap:1px;
  background:rgba(56,189,248,.2);border:1px solid rgba(56,189,248,.2);
  border-radius:var(--r-lg);overflow:hidden;
}
.stat{background:rgba(6,14,32,.92);padding:28px 22px}
.stat b{display:block;font-size:30px;font-weight:800;letter-spacing:-1px;color:#fff}
.stat span{display:block;margin-top:8px;font-size:13.5px;color:var(--muted);line-height:1.6}

/* ============ PERFORMANCE ============ */
.perf-wrap{display:grid;grid-template-columns:1.15fr .85fr;gap:36px;align-items:start}
.perf-block{padding:22px 0;border-bottom:1px solid rgba(148,163,184,.14)}
.perf-block:last-child{border-bottom:0}
.perf-block h3{font-size:17.5px;font-weight:700;line-height:1.45;margin-bottom:10px}
.perf-block p{font-size:14.5px;color:var(--muted);line-height:1.75}
.perf-visual{
  border-radius:var(--r-xl);overflow:hidden;
  border:1px solid var(--line-mid);box-shadow:var(--shadow-soft);
}
.perf-visual img{width:100%;height:330px;object-fit:cover}
.perf-visual figcaption{
  padding:16px 20px;font-size:13.5px;color:var(--muted);
  background:rgba(8,18,41,.85);border-top:1px solid rgba(56,189,248,.2);
}

/* ============ TIER TABLE ============ */
.table-scroll{overflow-x:auto;-webkit-overflow-scrolling:touch;border-radius:var(--r-lg);border:1px solid rgba(56,189,248,.2)}
.tier-table{width:100%;min-width:680px}
.tier-table th,.tier-table td{
  padding:16px 18px;text-align:left;font-size:14.5px;
  border-bottom:1px solid rgba(148,163,184,.12);
}
.tier-table thead th{
  background:rgba(12,24,48,.95);font-size:12px;letter-spacing:1.2px;
  text-transform:uppercase;color:var(--muted);font-weight:700;
}
.tier-table tbody td:first-child{color:#CBD5E1;font-weight:600}
.tier-table tbody tr:last-child th,.tier-table tbody tr:last-child td{border-bottom:0}
.tier-table .hi{background:rgba(37,99,235,.16);color:#fff;font-weight:700}
.tier-table thead th.hi{color:#BAE6FD;background:rgba(37,99,235,.28)}
.tier-note{
  margin-top:20px;display:flex;flex-wrap:wrap;gap:16px;align-items:center;justify-content:space-between;
}

/* ============ CATEGORY WALL ============ */
.cat-card{
  display:block;height:100%;border-radius:var(--r-lg);overflow:hidden;
  background:rgba(8,18,41,.6);border:1px solid rgba(56,189,248,.18);
  transition:transform var(--ease),border-color var(--ease),box-shadow var(--ease);
}
.cat-card:hover{transform:translateY(-5px);border-color:rgba(56,189,248,.55);box-shadow:0 22px 44px rgba(8,20,45,.6)}
.cat-card img{width:100%;height:160px;object-fit:cover;opacity:.9}
.cat-card .cat-body{padding:20px 22px 24px}
.cat-card h3{font-size:17px;font-weight:700;margin-bottom:9px;line-height:1.4}
.cat-card p{font-size:14px;color:var(--muted);line-height:1.7}
.cat-card .cat-link{
  display:inline-flex;align-items:center;gap:8px;margin-top:16px;
  font-size:13.5px;font-weight:700;color:var(--cyan);
}

/* ============ NEWS ============ */
.news-wrap{display:grid;grid-template-columns:1.55fr 1fr;gap:30px;align-items:start}
.news-item{
  display:block;padding:22px 24px;border-radius:var(--r-md);margin-bottom:14px;
  background:rgba(8,18,41,.5);border:1px solid rgba(148,163,184,.13);
  transition:border-color var(--ease),background var(--ease),transform var(--ease);
}
.news-item:hover{border-color:rgba(56,189,248,.5);background:rgba(12,24,48,.72);transform:translateX(5px)}
.news-meta{display:flex;gap:12px;align-items:center;font-size:12.5px;color:var(--dim);margin-bottom:9px}
.news-meta .cat{
  padding:4px 11px;border-radius:999px;color:#BAE6FD;
  background:rgba(37,99,235,.2);border:1px solid rgba(96,165,250,.34);
  font-weight:700;font-size:11.5px;letter-spacing:.6px;
}
.news-item h3{font-size:16.5px;font-weight:700;line-height:1.45;margin-bottom:8px}
.news-item p{font-size:14px;color:var(--muted);line-height:1.68}
.news-empty{
  padding:26px;border-radius:var(--r-md);font-size:14.5px;color:var(--muted);
  background:rgba(8,18,41,.5);border:1px dashed rgba(148,163,184,.28);
}
.news-side{
  padding:26px;border-radius:var(--r-lg);
  background:linear-gradient(160deg,rgba(12,24,48,.72),rgba(8,18,41,.5));
  border:1px solid rgba(56,189,248,.18);
}
.news-side h3{font-size:14px;letter-spacing:1.4px;text-transform:uppercase;color:#BAE6FD;margin-bottom:18px}
.side-item{display:block;padding:13px 0;border-bottom:1px solid rgba(148,163,184,.13)}
.side-item:last-child{border-bottom:0}
.side-item:hover strong{color:var(--cyan)}
.side-item strong{display:block;font-size:14.5px;font-weight:600;line-height:1.55;transition:color var(--ease)}
.side-item small{display:block;margin-top:6px;font-size:12.5px;color:var(--dim)}

/* ============ VOICES ============ */
.voice-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:18px}
.voice-card{
  position:relative;padding:28px 24px;border-radius:var(--r-lg);
  background:rgba(8,18,41,.55);border:1px solid rgba(148,163,184,.14);
  transition:transform var(--ease),border-color var(--ease);
}
.voice-card:hover{transform:translateY(-4px);border-color:rgba(56,189,248,.45)}
.voice-card i.quote{color:rgba(56,189,248,.5);font-size:22px;margin-bottom:14px;display:block}
.voice-card p{font-size:14.5px;color:#CBD5E1;line-height:1.75}
.voice-who{display:flex;align-items:center;gap:12px;margin-top:20px}
.voice-who span{
  width:38px;height:38px;border-radius:50%;display:grid;place-items:center;
  font-size:13px;font-weight:800;color:#03121F;
  background:linear-gradient(135deg,#38BDF8,#2563EB);
}
.voice-who b{font-size:14.5px;display:block;font-weight:700}
.voice-who small{font-size:12.5px;color:var(--dim)}

/* ============ SCENES ============ */
.scene-grid{margin-top:8px}
.scene-item{
  height:100%;padding:24px;border-radius:var(--r-lg);
  background:rgba(8,18,41,.5);border:1px solid rgba(148,163,184,.14);
  border-left:3px solid rgba(56,189,248,.5);
}
.scene-item h3{font-size:16.5px;font-weight:700;margin-bottom:9px}
.scene-item p{font-size:14px;color:var(--muted);line-height:1.7}

/* ============ FINAL CTA ============ */
.cta-final{position:relative;padding:80px 0;overflow:hidden}
.cta-bg{
  position:absolute;inset:0;
  background:url('/assets/images/9165988ceabf4a90.jpg') center/cover no-repeat;
}
.cta-bg::after{content:'';position:absolute;inset:0;background:linear-gradient(180deg,rgba(4,7,15,.9),rgba(4,7,15,.96))}
.cta-final .container{position:relative;z-index:2}
.cta-box{
  max-width:840px;margin:0 auto;text-align:center;padding:52px 36px;
  border-radius:var(--r-xl);
  background:linear-gradient(140deg,rgba(37,99,235,.3),rgba(8,18,41,.9));
  border:1px solid rgba(56,189,248,.38);
  -webkit-backdrop-filter:blur(16px);backdrop-filter:blur(16px);
  box-shadow:0 28px 60px rgba(0,0,0,.5);
}
.cta-box h2{font-size:clamp(22px,3vw,34px);line-height:1.28;font-weight:800;letter-spacing:-.5px}
.cta-box p{margin-top:16px;font-size:15.5px;color:#CBD5E1;line-height:1.75}
.cta-form{display:flex;gap:12px;justify-content:center;flex-wrap:wrap;margin-top:28px}
.cta-form input{
  min-width:280px;flex:0 1 320px;padding:15px 20px;border-radius:999px;
  background:rgba(3,8,18,.78);border:1px solid rgba(148,163,184,.35);
  color:#fff;font-size:15px;
  transition:border-color var(--ease),box-shadow var(--ease);
}
.cta-form input::placeholder{color:#64748B}
.cta-form input:focus{outline:none;border-color:var(--cyan);box-shadow:0 0 0 3px rgba(56,189,248,.2)}
.cta-note{margin-top:16px;font-size:13px;color:var(--dim)}

/* ============ FOOTER ============ */
.site-footer{
  background:var(--bg-deep);border-top:1px solid rgba(56,189,248,.14);
  padding:58px 0 26px;position:relative;z-index:1;
}
.foot-grid{display:grid;grid-template-columns:1.5fr 1fr 1fr 1fr;gap:34px}
.foot-brand{display:flex;align-items:center;gap:11px;margin-bottom:16px}
.foot-col p{font-size:14px;color:var(--muted);line-height:1.75;max-width:330px}
.foot-col h4{font-size:13px;letter-spacing:1.4px;text-transform:uppercase;color:#E2E8F0;margin-bottom:16px;font-weight:700}
.foot-col a{display:block;padding:6px 0;font-size:14.5px;color:var(--muted);transition:color var(--ease),transform var(--ease)}
.foot-col a:hover{color:var(--cyan);transform:translateX(3px)}
.pay-row{display:flex;flex-wrap:wrap;gap:9px;margin-top:20px}
.pay-row span{
  padding:7px 13px;border-radius:999px;font-size:12px;color:#CBD5E1;
  background:rgba(148,163,184,.09);border:1px solid rgba(148,163,184,.18);
}
.foot-bottom{
  margin-top:38px;padding-top:22px;border-top:1px solid rgba(148,163,184,.14);
  display:flex;justify-content:space-between;gap:14px;flex-wrap:wrap;
  font-size:13px;color:var(--dim);
}
.foot-bottom strong{color:#CBD5E1;font-weight:600}

/* ============ FAB ============ */
.fab{
  position:fixed;left:16px;bottom:96px;z-index:60;
  display:inline-flex;align-items:center;gap:10px;
  padding:13px 20px;border-radius:999px;min-height:52px;
  font-size:14px;font-weight:700;color:#fff;
  background:
    linear-gradient(rgba(7,12,26,.9),rgba(7,12,26,.9)) padding-box,
    linear-gradient(135deg,#22D3EE,#2563EB) border-box;
  border:1px solid transparent;
  box-shadow:0 0 20px rgba(6,182,212,.45);
  -webkit-backdrop-filter:blur(10px);backdrop-filter:blur(10px);
  opacity:.78;transition:opacity var(--ease),box-shadow var(--ease),transform var(--ease);
}
.fab i{color:#22D3EE;font-size:17px}
.fab:hover{opacity:1;transform:translateY(-2px);box-shadow:0 0 32px rgba(6,182,212,.8)}
.fab:active{transform:translateY(1px) scale(.97);box-shadow:0 0 14px rgba(244,63,94,.7)}
.fab .dot{
  position:absolute;top:-3px;right:-3px;width:13px;height:13px;border-radius:50%;
  background:var(--pink);box-shadow:0 0 12px var(--pink);
  animation:fabPulse 1.7s infinite;
}
@keyframes fabPulse{0%,100%{transform:scale(1);opacity:1}50%{transform:scale(1.25);opacity:.65}}
@media(max-width:640px){
  .fab{padding:12px 14px;font-size:0;gap:0;bottom:88px}
  .fab i{font-size:20px}
}

/* ============ RESPONSIVE ============ */
@media(max-width:1024px){
  .hl-grid{grid-template-columns:repeat(2,1fr)}
  .hl-card.wide{grid-column:span 2}
  .steps{grid-template-columns:repeat(2,1fr)}
  .reward-track{grid-template-columns:repeat(2,1fr)}
  .stats-strip{grid-template-columns:repeat(2,1fr)}
  .voice-grid{grid-template-columns:1fr 1fr}
  .foot-grid{grid-template-columns:1.4fr 1fr 1fr;gap:28px}
  .perf-wrap{grid-template-columns:1fr;gap:26px}
  .news-wrap{grid-template-columns:1fr}
}
@media(max-width:900px){
  .main-nav{display:none}
  .nav-toggle{display:inline-flex}
  .nav-wrap{gap:12px}
  .group-bar{grid-template-columns:1fr;gap:22px}
  .group-actions{flex-direction:row;flex-wrap:wrap}
  .group-actions .btn{flex:1 1 180px}
  .countdown-band{grid-template-columns:1fr;padding:26px}
  .gift-wrap{grid-template-columns:1fr;gap:24px}
}
@media(max-width:768px){
  .hero{padding:112px 0 60px}
  .section{padding:58px 0}
  .hl-card.wide{flex-direction:column;align-items:flex-start;gap:18px}
  .hl-card.wide .hl-media{flex:none;width:100%;height:170px}
  .voice-grid{grid-template-columns:1fr}
  .mini-facts{grid-template-columns:1fr}
  .foot-grid{grid-template-columns:1fr 1fr;gap:26px}
  .cta-box{padding:40px 22px}
  .perf-visual img{height:240px}
}
@media(max-width:600px){
  .brand-text{display:none}
  .brand-short{display:inline}
  .brand-mark{width:36px;height:36px;border-radius:11px;font-size:17px}
  .btn-login{padding:8px 10px;font-size:12.5px}
  .btn-signup{padding:9px 13px;font-size:12.5px}
  .nav-wrap{height:64px;gap:8px}
  .nav-toggle{width:40px;height:40px}
  .hl-grid{grid-template-columns:1fr}
  .hl-card.wide{grid-column:span 1}
  .steps{grid-template-columns:1fr}
  .reward-track{grid-template-columns:1fr}
  .stats-strip{grid-template-columns:1fr}
  .cd-box span{font-size:27px}
  .cta-form input{min-width:0;width:100%;flex:1 1 100%}
  .cta-form .btn{width:100%}
  .foot-grid{grid-template-columns:1fr}
  .hero h1{letter-spacing:-.4px}
}

/* roulang page: article */
:root{
  --bg:#04070F;
  --bg-deep:#03060D;
  --bg-soft:#071229;
  --panel:rgba(12,24,48,.66);
  --panel-2:rgba(8,18,41,.55);
  --line:rgba(56,189,248,.18);
  --line-mid:rgba(56,189,248,.32);
  --blue:#2563EB;
  --cyan:#38BDF8;
  --holo:#60A5FA;
  --pink:#F43F5E;
  --lime:#A3E635;
  --text:#F8FAFC;
  --muted:#94A3B8;
  --dim:#7C8AA0;
  --r-xl:26px;
  --r-lg:20px;
  --r-md:16px;
  --r-sm:10px;
  --shadow-soft:0 18px 44px rgba(0,0,0,.45);
  --shadow-glow:0 0 24px rgba(56,189,248,.45);
  --ease:.28s cubic-bezier(.4,0,.2,1);
}
html{scroll-behavior:smooth;-webkit-text-size-adjust:100%}
*,*::before,*::after{box-sizing:border-box}
body{
  margin:0;
  background:var(--bg);
  color:var(--text);
  font-family:'Be Vietnam Pro',-apple-system,BlinkMacSystemFont,'Segoe UI',Roboto,Arial,sans-serif;
  font-size:16px;
  line-height:1.65;
  -webkit-font-smoothing:antialiased;
  overflow-x:hidden;
}
img{max-width:100%;display:block;border:0}
a{color:inherit;text-decoration:none}
button,input{font-family:inherit;font-size:inherit}
p{margin:0 0 16px}
h1,h2,h3,h4{margin:0;font-weight:800;letter-spacing:-.3px}
ul,ol{margin:0 0 16px;padding-left:20px}
li{margin-bottom:8px}
:focus-visible{outline:2px solid var(--cyan);outline-offset:3px;border-radius:6px}
.container{width:100%;max-width:1200px;margin:0 auto;padding:0 20px}
/* ============ BUTTONS ============ */
.btn{
  display:inline-flex;align-items:center;justify-content:center;gap:9px;
  padding:13px 24px;border-radius:999px;font-weight:700;font-size:15px;
  border:1px solid transparent;cursor:pointer;white-space:nowrap;
  transition:transform var(--ease),box-shadow var(--ease),background var(--ease),color var(--ease),border-color var(--ease);
}
.btn-primary{
  background:linear-gradient(135deg,#2563EB,#38BDF8);
  color:#03121F;box-shadow:0 0 22px rgba(56,189,248,.45);
}
.btn-primary:hover{transform:translateY(-2px);box-shadow:0 0 36px rgba(56,189,248,.75)}
.btn-primary:active{transform:translateY(0) scale(.98)}
.btn-ghost{
  background:rgba(148,163,184,.08);color:#E2E8F0;
  border-color:rgba(148,163,184,.32);
}
.btn-ghost:hover{border-color:var(--cyan);color:#fff;background:rgba(56,189,248,.14);transform:translateY(-2px)}
.btn-sm{padding:10px 18px;font-size:13.5px}
.btn-block{width:100%}
/* ============ HEADER / NAV ============ */
.site-header{
  position:fixed;top:0;left:0;right:0;z-index:100;
  background:rgba(4,7,15,.84);
  -webkit-backdrop-filter:blur(16px);backdrop-filter:blur(16px);
  border-bottom:1px solid rgba(56,189,248,.14);
}
.nav-wrap{display:flex;align-items:center;gap:20px;height:70px}
.brand{display:flex;align-items:center;gap:11px;flex-shrink:0}
.brand-mark{
  width:40px;height:40px;border-radius:13px;flex-shrink:0;
  background:linear-gradient(135deg,#2563EB,#38BDF8);
  display:grid;place-items:center;font-size:19px;color:#03121F;
  box-shadow:0 0 18px rgba(56,189,248,.5);
}
.brand-text{display:flex;flex-direction:column;line-height:1.15}
.brand-name{font-size:15px;font-weight:800;letter-spacing:.2px}
.brand-sub{font-size:10.5px;color:var(--dim);letter-spacing:1.6px;text-transform:uppercase}
.main-nav{margin-left:auto}
.main-nav ul{display:flex;align-items:center;gap:4px;list-style:none;margin:0;padding:0}
.main-nav li{margin:0}
.main-nav a{
  display:block;padding:9px 15px;border-radius:999px;
  font-size:14.5px;font-weight:500;color:var(--muted);
  transition:color var(--ease),background var(--ease),box-shadow var(--ease);
}
.main-nav a:hover{color:#fff;background:rgba(56,189,248,.1)}
.main-nav a.active{
  color:#fff;background:rgba(37,99,235,.24);
  box-shadow:inset 0 0 0 1px rgba(96,165,250,.45);
}
.nav-actions{display:flex;align-items:center;gap:10px;flex-shrink:0}
.btn-login{
  font-size:14px;font-weight:600;color:var(--cyan);
  padding:9px 12px;border-radius:999px;
  border:1px solid rgba(56,189,248,.3);
  transition:color var(--ease),border-color var(--ease),background var(--ease);
}
.btn-login:hover{color:#fff;border-color:var(--cyan);background:rgba(56,189,248,.12)}
.btn-signup{
  font-size:14px;font-weight:700;color:#03121F;
  padding:10px 18px;border-radius:999px;
  background:linear-gradient(135deg,#2563EB,#38BDF8);
  box-shadow:0 0 16px rgba(56,189,248,.42);
  transition:transform var(--ease),box-shadow var(--ease);
}
.btn-signup:hover{transform:translateY(-1px);box-shadow:0 0 26px rgba(56,189,248,.7)}
.nav-toggle{
  display:none;width:44px;height:44px;border-radius:12px;cursor:pointer;
  background:rgba(148,163,184,.1);border:1px solid rgba(148,163,184,.28);
  color:#fff;align-items:center;justify-content:center;
}
.mobile-drawer{
  display:none;border-top:1px solid rgba(56,189,248,.14);
  background:rgba(5,10,22,.97);padding:12px 20px 20px;
}
.mobile-drawer.open{display:block}
.mobile-drawer ul{list-style:none;margin:0;padding:0}
.mobile-drawer a{
  display:block;padding:13px 14px;border-radius:12px;
  color:var(--muted);font-weight:600;font-size:15px;
}
.mobile-drawer a.active{color:#fff;background:rgba(37,99,235,.22)}
.mobile-drawer a:hover{color:#fff;background:rgba(56,189,248,.1)}
/* ============ ARTICLE HERO ============ */
.article-hero{position:relative;padding:126px 0 64px;overflow:hidden}
.article-hero .hero-bg{
  position:absolute;inset:0;
  background:url('/assets/images/b729deb6f2d2dad6.jpg') center/cover no-repeat;
}
.article-hero .hero-bg::after{
  content:'';position:absolute;inset:0;
  background:linear-gradient(180deg,rgba(4,7,15,.84) 0%,rgba(4,7,15,.92) 48%,var(--bg) 100%);
}
.hero-glow{
  position:absolute;width:620px;height:620px;border-radius:50%;
  top:-240px;right:-180px;pointer-events:none;
  background:radial-gradient(circle,rgba(56,189,248,.28),rgba(56,189,248,0) 68%);
}
.article-hero .container{position:relative;z-index:2}
.ah-grid{display:grid;grid-template-columns:minmax(0,1.55fr) minmax(0,1fr);gap:44px;align-items:start}
.breadcrumb{
  display:flex;flex-wrap:wrap;align-items:center;gap:8px;
  font-size:12.5px;color:var(--dim);margin-bottom:18px;
}
.breadcrumb a{color:var(--muted);transition:color var(--ease)}
.breadcrumb a:hover{color:var(--cyan)}
.breadcrumb i{font-size:9px;opacity:.7}
.cat-chip{
  display:inline-flex;align-items:center;gap:8px;
  padding:7px 15px;border-radius:999px;font-size:12px;font-weight:700;
  letter-spacing:1.1px;text-transform:uppercase;color:#BAE6FD;
  background:rgba(37,99,235,.18);border:1px solid rgba(96,165,250,.36);
}
.article-hero h1{
  margin-top:18px;font-size:clamp(26px,3.5vw,44px);line-height:1.24;font-weight:800;
}
.article-hero h1 em{
  font-style:normal;
  background:linear-gradient(120deg,#38BDF8,#A3E635);
  -webkit-background-clip:text;background-clip:text;color:transparent;
}
.ah-lead{margin-top:18px;max-width:720px;font-size:16.5px;line-height:1.75;color:#CBD5E1}
.meta-row{
  margin-top:24px;display:flex;flex-wrap:wrap;gap:10px;align-items:center;
  font-size:12.5px;color:var(--muted);
}
.meta-row span{
  display:inline-flex;align-items:center;gap:7px;
  padding:7px 13px;border-radius:999px;
  background:rgba(148,163,184,.08);border:1px solid rgba(148,163,184,.18);
}
.meta-row span i{color:var(--cyan);font-size:12px}
.ah-actions{margin-top:26px;display:flex;flex-wrap:wrap;gap:12px}
/* side panel */
.hero-panel{
  position:relative;
  background:var(--panel);
  border:1px solid var(--line);
  border-radius:var(--r-xl);
  padding:26px 24px;
  -webkit-backdrop-filter:blur(18px);backdrop-filter:blur(18px);
  box-shadow:var(--shadow-soft);
}
.hero-panel::before{
  content:'';position:absolute;inset:0;border-radius:inherit;pointer-events:none;
  background:linear-gradient(150deg,rgba(56,189,248,.16),rgba(56,189,248,0) 55%);
}
.hero-panel h2{font-size:15px;letter-spacing:1.2px;text-transform:uppercase;color:#BAE6FD;font-weight:700}
.ring-wrap{display:flex;align-items:center;gap:20px;margin-top:20px}
.ring{position:relative;width:118px;height:118px;flex-shrink:0}
.ring svg{width:100%;height:100%;transform:rotate(-90deg)}
.ring-bg{fill:none;stroke:rgba(148,163,184,.18);stroke-width:9}
.ring-fg{
  fill:none;stroke:url(#ringGrad);stroke-width:9;stroke-linecap:round;
  transition:stroke-dashoffset 1s ease;
}
.ring-center{
  position:absolute;inset:0;display:flex;flex-direction:column;
  align-items:center;justify-content:center;line-height:1.1;
}
.ring-center strong{font-size:22px;font-weight:800;color:#fff}
.ring-center span{font-size:10.5px;color:var(--dim);text-transform:uppercase;letter-spacing:.8px}
.ring-info p{margin:0 0 8px;font-size:13.5px;color:var(--muted);line-height:1.6}
.ring-info strong{color:var(--lime)}
.tier-list{list-style:none;margin:20px 0 0;padding:0}
.tier-list li{
  display:flex;align-items:center;justify-content:space-between;gap:12px;
  padding:11px 0;margin:0;font-size:13.5px;color:#CBD5E1;
  border-bottom:1px dashed rgba(56,189,248,.16);
}
.tier-list li:last-child{border-bottom:0}
.tier-list b{color:var(--cyan);font-weight:700}
.tier-tag{
  font-size:11px;font-weight:700;padding:4px 10px;border-radius:999px;
  background:rgba(163,230,53,.14);color:var(--lime);border:1px solid rgba(163,230,53,.3);
}
.hero-panel .btn{margin-top:22px}
/* ============ SECTION ============ */
.section{padding:64px 0;position:relative}
.section-alt{background:linear-gradient(180deg,rgba(7,18,41,.55),rgba(4,7,15,0) 90%)}
.section-head{max-width:780px;margin-bottom:32px}
.section-head h2{font-size:clamp(22px,2.6vw,32px);line-height:1.3;margin-top:14px}
.section-head p{margin-top:12px;color:var(--muted);font-size:15.5px;line-height:1.75}
.eyebrow{
  display:inline-flex;align-items:center;gap:9px;
  padding:7px 15px;border-radius:999px;font-size:12px;font-weight:700;
  letter-spacing:1.2px;text-transform:uppercase;color:#BAE6FD;
  background:rgba(37,99,235,.18);border:1px solid rgba(96,165,250,.36);
}
/* ============ PROSE (CMS CONTENT) ============ */
.article-shell{
  display:grid;grid-template-columns:minmax(0,1fr) 292px;gap:44px;align-items:start;
}
.prose{
  background:var(--panel-2);
  border:1px solid var(--line);
  border-radius:var(--r-xl);
  padding:38px 36px;
  -webkit-backdrop-filter:blur(14px);backdrop-filter:blur(14px);
  box-shadow:var(--shadow-soft);
}
.prose h2{
  font-size:clamp(20px,2.2vw,27px);margin:38px 0 16px;line-height:1.35;
  padding-left:16px;border-left:3px solid var(--cyan);
}
.prose h2:first-child{margin-top:0}
.prose h3{font-size:19px;margin:28px 0 12px;color:#E2E8F0}
.prose p{color:#CBD5E1;font-size:16px;line-height:1.78;margin-bottom:18px}
.prose ul,.prose ol{color:#CBD5E1;font-size:16px;line-height:1.78}
.prose li{margin-bottom:10px}
.prose strong{color:#fff}
.prose a{color:var(--cyan);border-bottom:1px solid rgba(56,189,248,.4);transition:color var(--ease)}
.prose a:hover{color:#fff;border-color:#fff}
.prose blockquote{
  margin:26px 0;padding:18px 22px;border-left:3px solid var(--lime);
  background:rgba(163,230,53,.07);border-radius:0 var(--r-md) var(--r-md) 0;
  color:#D9F99D;font-size:15.5px;
}
.prose img{border-radius:var(--r-lg);margin:24px 0;border:1px solid var(--line)}
.prose table{width:100%;border-collapse:collapse;margin:24px 0;font-size:14.5px}
.prose th{
  background:rgba(37,99,235,.2);color:#fff;text-align:left;
  padding:12px 14px;border:1px solid rgba(56,189,248,.2);font-weight:700;
}
.prose td{padding:12px 14px;border:1px solid rgba(56,189,248,.14);color:#CBD5E1}
.prose code{
  background:rgba(56,189,248,.12);padding:2px 7px;border-radius:6px;
  font-size:14px;color:#BAE6FD;
}
/* sidebar */
.side-box{
  background:var(--panel-2);border:1px solid var(--line);border-radius:var(--r-lg);
  padding:22px 20px;margin-bottom:20px;
  -webkit-backdrop-filter:blur(12px);backdrop-filter:blur(12px);
}
.side-box h3{font-size:14px;text-transform:uppercase;letter-spacing:1.2px;color:#BAE6FD;margin-bottom:14px}
.side-list{list-style:none;margin:0;padding:0}
.side-list li{margin:0;padding:11px 0;border-bottom:1px dashed rgba(56,189,248,.14)}
.side-list li:last-child{border-bottom:0;padding-bottom:0}
.side-list a{font-size:14px;color:var(--muted);display:flex;gap:9px;align-items:flex-start;transition:color var(--ease)}
.side-list a:hover{color:var(--cyan)}
.side-list i{color:var(--cyan);font-size:11px;margin-top:5px}
.side-stat{display:flex;align-items:baseline;gap:8px;margin-bottom:10px}
.side-stat strong{font-size:26px;font-weight:800;color:#fff}
.side-stat span{font-size:12.5px;color:var(--dim)}
.empty-note{
  background:rgba(244,63,94,.09);border:1px solid rgba(244,63,94,.32);
  border-radius:var(--r-lg);padding:30px 26px;
}
.empty-note h2{font-size:22px;margin-bottom:12px}
.empty-note p{color:#CBD5E1}
/* ============ TAKEAWAY CARDS ============ */
.take-grid{display:grid;grid-template-columns:repeat(4,minmax(0,1fr));gap:18px}
.take-card{
  background:var(--panel-2);border:1px solid var(--line);border-radius:var(--r-lg);
  padding:24px 22px;position:relative;overflow:hidden;
  transition:transform var(--ease),border-color var(--ease),box-shadow var(--ease);
}
.take-card::after{
  content:'';position:absolute;left:0;top:0;width:100%;height:2px;
  background:linear-gradient(90deg,#2563EB,#38BDF8);opacity:.6;
}
.take-card:hover{transform:translateY(-4px);border-color:var(--line-mid);box-shadow:var(--shadow-glow)}
.take-num{
  font-size:30px;font-weight:800;line-height:1;
  background:linear-gradient(135deg,#38BDF8,#A3E635);
  -webkit-background-clip:text;background-clip:text;color:transparent;
}
.take-card h3{font-size:16.5px;margin:14px 0 9px}
.take-card p{font-size:14px;color:var(--muted);line-height:1.7;margin:0}
/* ============ TABLE ============ */
.table-card{
  background:var(--panel-2);border:1px solid var(--line);border-radius:var(--r-lg);
  padding:10px;overflow-x:auto;
}
.data-table{width:100%;border-collapse:collapse;font-size:14.5px;min-width:520px}
.data-table th{
  background:rgba(37,99,235,.2);color:#fff;text-align:left;
  padding:14px 16px;font-weight:700;white-space:nowrap;
}
.data-table th:first-child{border-radius:var(--r-sm) 0 0 var(--r-sm)}
.data-table th:last-child{border-radius:0 var(--r-sm) var(--r-sm) 0}
.data-table td{padding:14px 16px;border-bottom:1px solid rgba(56,189,248,.12);color:#CBD5E1}
.data-table tr:last-child td{border-bottom:0}
.data-table tr:hover td{background:rgba(56,189,248,.05)}
.data-table .hl{color:var(--lime);font-weight:700}
/* ============ STEPS ============ */
.steps{display:grid;grid-template-columns:repeat(4,minmax(0,1fr));gap:18px;counter-reset:step}
.step{
  position:relative;padding:26px 22px 24px;
  background:linear-gradient(160deg,rgba(12,24,48,.7),rgba(6,12,26,.5));
  border:1px solid var(--line);border-radius:var(--r-lg);
  transition:border-color var(--ease),transform var(--ease);
}
.step:hover{border-color:var(--line-mid);transform:translateY(-3px)}
.step::before{
  counter-increment:step;content:counter(step,decimal-leading-zero);
  display:block;font-size:12.5px;font-weight:700;letter-spacing:2px;
  color:var(--cyan);margin-bottom:12px;
}
.step h3{font-size:16.5px;margin-bottom:9px}
.step p{font-size:14px;color:var(--muted);line-height:1.7;margin:0}
/* ============ TIME / SCENARIO ============ */
.time-grid{display:grid;grid-template-columns:repeat(3,minmax(0,1fr));gap:18px}
.time-card{
  background:var(--panel-2);border:1px solid var(--line);border-radius:var(--r-lg);
  padding:24px 22px;transition:border-color var(--ease),box-shadow var(--ease);
}
.time-card:hover{border-color:var(--line-mid);box-shadow:0 0 22px rgba(56,189,248,.24)}
.time-card .clock{
  display:inline-flex;align-items:center;gap:8px;font-size:13px;font-weight:700;
  color:#BAE6FD;background:rgba(37,99,235,.16);border:1px solid rgba(96,165,250,.3);
  padding:6px 13px;border-radius:999px;
}
.time-card h3{font-size:17px;margin:15px 0 9px}
.time-card p{font-size:14.2px;color:var(--muted);line-height:1.72;margin:0}
/* ============ OFFER ============ */
.offer-wrap{
  display:grid;grid-template-columns:minmax(0,1.15fr) minmax(0,1fr);gap:32px;align-items:center;
  background:linear-gradient(140deg,rgba(37,99,235,.2),rgba(4,7,15,.6) 65%);
  border:1px solid var(--line-mid);border-radius:var(--r-xl);
  padding:38px 36px;position:relative;overflow:hidden;
}
.offer-wrap::before{
  content:'';position:absolute;width:420px;height:420px;border-radius:50%;
  right:-160px;bottom:-200px;
  background:radial-gradient(circle,rgba(56,189,248,.26),rgba(56,189,248,0) 70%);
}
.offer-wrap .offer-copy{position:relative;z-index:2}
.offer-wrap h2{font-size:clamp(21px,2.4vw,30px);line-height:1.32;margin-top:14px}
.offer-wrap p{margin-top:14px;color:#CBD5E1;font-size:15.5px;line-height:1.75}
.offer-list{list-style:none;margin:20px 0 0;padding:0}
.offer-list li{display:flex;gap:11px;align-items:flex-start;font-size:14.5px;color:#CBD5E1;margin-bottom:11px}
.offer-list i{color:var(--lime);margin-top:5px;font-size:12px}
.offer-card{
  position:relative;z-index:2;background:rgba(4,7,15,.62);
  border:1px solid var(--line);border-radius:var(--r-lg);padding:26px 24px;
  -webkit-backdrop-filter:blur(14px);backdrop-filter:blur(14px);
}
.offer-card h3{font-size:17px;margin-bottom:6px}
.offer-card .price{
  font-size:34px;font-weight:800;line-height:1.1;margin:12px 0 4px;
  background:linear-gradient(135deg,#38BDF8,#A3E635);
  -webkit-background-clip:text;background-clip:text;color:transparent;
}
.offer-card small{color:var(--dim);font-size:12.5px}
.pay-row{display:flex;flex-wrap:wrap;gap:8px;margin:18px 0 20px}
.pay-row span{
  font-size:12px;font-weight:600;color:#CBD5E1;
  padding:7px 13px;border-radius:999px;
  background:rgba(148,163,184,.1);border:1px solid rgba(148,163,184,.24);
}
/* ============ FAQ ============ */
.faq-list{display:grid;gap:12px;max-width:920px}
.faq-item{
  background:var(--panel-2);border:1px solid var(--line);border-radius:var(--r-md);
  overflow:hidden;transition:border-color var(--ease);
}
.faq-item[open]{border-color:var(--line-mid)}
.faq-item summary{
  list-style:none;cursor:pointer;padding:19px 22px;
  font-size:15.5px;font-weight:600;color:#E2E8F0;
  display:flex;align-items:center;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;
  font-size:12px;color:var(--cyan);transition:transform var(--ease);
}
.faq-item[open] summary::after{transform:rotate(45deg)}
.faq-item summary:hover{color:#fff;background:rgba(56,189,248,.06)}
.faq-body{padding:0 22px 20px;color:var(--muted);font-size:14.6px;line-height:1.75}
/* ============ CTA BAND ============ */
.cta-band{
  display:grid;grid-template-columns:minmax(0,1.3fr) auto;gap:28px;align-items:center;
  background:linear-gradient(120deg,rgba(37,99,235,.26),rgba(56,189,248,.12));
  border:1px solid var(--line-mid);border-radius:var(--r-xl);
  padding:34px 34px;
}
.cta-band h2{font-size:clamp(20px,2.3vw,28px);line-height:1.32}
.cta-band p{margin-top:12px;color:#CBD5E1;font-size:15px;line-height:1.72}
.cta-band .cta-actions{display:flex;flex-wrap:wrap;gap:12px}
/* ============ RELATED ============ */
.rel-grid{display:grid;grid-template-columns:repeat(3,minmax(0,1fr));gap:22px}
.rel-card{
  background:var(--panel-2);border:1px solid var(--line);border-radius:var(--r-lg);
  overflow:hidden;transition:transform var(--ease),border-color var(--ease),box-shadow var(--ease);
}
.rel-card:hover{transform:translateY(-4px);border-color:var(--line-mid);box-shadow:var(--shadow-glow)}
.rel-thumb{position:relative;aspect-ratio:16/9;overflow:hidden}
.rel-thumb img{width:100%;height:100%;object-fit:cover;transition:transform .5s ease}
.rel-card:hover .rel-thumb img{transform:scale(1.06)}
.rel-thumb::after{
  content:'';position:absolute;inset:0;
  background:linear-gradient(180deg,rgba(4,7,15,0) 40%,rgba(4,7,15,.85) 100%);
}
.rel-body{padding:20px 20px 22px}
.rel-body span{
  font-size:11.5px;font-weight:700;letter-spacing:1.1px;text-transform:uppercase;color:var(--cyan);
}
.rel-body h3{font-size:16.5px;margin:10px 0 10px;line-height:1.4}
.rel-body p{font-size:13.8px;color:var(--muted);line-height:1.7;margin:0}
/* ============ FAB ============ */
.fab{
  position:fixed;left:16px;bottom:96px;z-index:50;
  display:inline-flex;align-items:center;gap:10px;
  padding:12px 18px 12px 14px;border-radius:999px;
  background:rgba(7,7,13,.82);
  -webkit-backdrop-filter:blur(14px);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,#38BDF8,#A3E635);
  background-origin:border-box;background-clip:padding-box,border-box;
  box-shadow:0 0 20px rgba(56,189,248,.45);
  opacity:.85;
  transition:opacity var(--ease),box-shadow var(--ease),transform var(--ease);
  animation:fabPulse 3.2s 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)}
}
.fab:hover{opacity:1;transform:translateY(-2px) scale(1.04);box-shadow:0 0 34px rgba(56,189,248,.75)}
.fab:active{transform:scale(.96)}
.fab-icon{
  width:30px;height:30px;border-radius:50%;display:grid;place-items:center;
  background:linear-gradient(135deg,#2563EB,#38BDF8);color:#03121F;font-size:14px;
}
.fab-text{font-size:13.5px;font-weight:800;letter-spacing:.6px;color:#fff}
.fab-dot{
  position:absolute;top:4px;right:8px;width:10px;height:10px;border-radius:50%;
  background:#F43F5E;box-shadow:0 0 10px rgba(244,63,94,.9);
  animation:dotBlink 1.4s ease-in-out infinite;
}
@keyframes dotBlink{0%,100%{opacity:1}50%{opacity:.35}}
/* ============ FOOTER ============ */
.site-footer{
  margin-top:40px;border-top:1px solid rgba(56,189,248,.14);
  background:linear-gradient(180deg,rgba(7,18,41,.6),rgba(3,6,13,.96));
  padding:56px 0 26px;
}
.foot-grid{display:grid;grid-template-columns:1.6fr 1fr 1fr 1fr;gap:36px}
.foot-brand{display:flex;align-items:center;gap:11px;margin-bottom:16px}
.foot-brand .brand-mark{width:38px;height:38px;border-radius:12px;font-size:17px}
.foot-brand .brand-name{font-size:15px}
.foot-col p{font-size:13.8px;color:var(--muted);line-height:1.72;margin-bottom:16px}
.foot-col h4{font-size:14px;letter-spacing:.6px;margin-bottom:16px;color:#fff}
.foot-col a{
  display:block;font-size:13.8px;color:var(--muted);
  padding:6px 0;transition:color var(--ease),transform var(--ease);
}
.foot-col a:hover{color:var(--cyan);transform:translateX(3px)}
.site-footer .pay-row{margin:0}
.foot-bottom{
  margin-top:38px;padding-top:20px;border-top:1px solid rgba(56,189,248,.12);
  display:flex;flex-wrap:wrap;gap:12px;justify-content:space-between;
  font-size:12.5px;color:var(--dim);
}
.foot-bottom strong{color:#CBD5E1}
/* ============ RESPONSIVE ============ */
@media (max-width:1024px){
  .ah-grid{grid-template-columns:1fr;gap:30px}
  .article-shell{grid-template-columns:1fr}
  .take-grid,.steps{grid-template-columns:repeat(2,minmax(0,1fr))}
  .time-grid{grid-template-columns:repeat(2,minmax(0,1fr))}
  .rel-grid{grid-template-columns:repeat(2,minmax(0,1fr))}
  .offer-wrap{grid-template-columns:1fr}
  .cta-band{grid-template-columns:1fr}
  .foot-grid{grid-template-columns:1fr 1fr;gap:28px}
  .main-nav{display:none}
  .nav-toggle{display:inline-flex}
}
@media (max-width:768px){
  .nav-wrap{gap:12px}
  .brand-sub{display:none}
  .btn-login,.btn-signup{padding:9px 14px;font-size:13px}
  .article-hero{padding:118px 0 48px}
  .section{padding:50px 0}
  .prose{padding:26px 20px}
  .take-grid,.steps,.time-grid{grid-template-columns:1fr}
  .rel-grid{grid-template-columns:1fr}
  .offer-wrap{padding:28px 22px}
  .cta-band{padding:26px 22px}
  .fab{bottom:84px}
}
@media (max-width:520px){
  .container{padding:0 16px}
  .brand-name{font-size:13.5px}
  .btn-login{display:inline-flex}
  .foot-grid{grid-template-columns:1fr}
  .foot-bottom{flex-direction:column;gap:8px}
  .article-hero h1{font-size:24px}
  .ah-actions .btn,.cta-band .btn{width:100%}
  .fab-text{display:none}
  .fab{padding:12px;border-radius:50%}
}

/* roulang page: category1 */
:root{
  --bg:#04070F;
  --bg-deep:#03060D;
  --bg-soft:#071229;
  --panel:rgba(12,24,48,.66);
  --panel-2:rgba(8,18,41,.55);
  --line:rgba(56,189,248,.18);
  --line-mid:rgba(56,189,248,.32);
  --blue:#2563EB;
  --cyan:#38BDF8;
  --holo:#60A5FA;
  --pink:#F43F5E;
  --lime:#A3E635;
  --text:#F8FAFC;
  --muted:#94A3B8;
  --dim:#7C8AA0;
  --r-xl:26px;
  --r-lg:20px;
  --r-md:16px;
  --r-sm:10px;
  --shadow-soft:0 18px 44px rgba(0,0,0,.45);
  --shadow-glow:0 0 24px rgba(56,189,248,.45);
  --ease:.28s cubic-bezier(.4,0,.2,1);
}
*{box-sizing:border-box}
html{scroll-behavior:smooth;-webkit-text-size-adjust:100%}
body{
  margin:0;
  background:var(--bg);
  color:var(--text);
  font-family:'Be Vietnam Pro',-apple-system,BlinkMacSystemFont,'Segoe UI',Roboto,Arial,sans-serif;
  font-size:16px;
  line-height:1.65;
  -webkit-font-smoothing:antialiased;
  overflow-x:hidden;
}
img{max-width:100%;display:block;border:0}
a{color:inherit;text-decoration:none}
a:focus-visible,button:focus-visible,input:focus-visible{outline:2px solid var(--cyan);outline-offset:3px}
button,input{font-family:inherit;font-size:inherit}
p{margin:0 0 14px}
ul{margin:0;padding:0;list-style:none}
h1,h2,h3,h4{margin:0;font-weight:800;letter-spacing:-.4px;line-height:1.28}
.container{width:100%;max-width:1200px;margin:0 auto;padding:0 20px}

/* ============ BUTTONS ============ */
.btn{
  display:inline-flex;align-items:center;justify-content:center;gap:9px;
  padding:13px 24px;border-radius:999px;font-weight:700;font-size:15px;
  border:1px solid transparent;cursor:pointer;white-space:nowrap;
  transition:transform var(--ease),box-shadow var(--ease),background var(--ease),color var(--ease),border-color var(--ease);
}
.btn-primary{
  background:linear-gradient(135deg,#2563EB,#38BDF8);
  color:#03121F;box-shadow:0 0 22px rgba(56,189,248,.45);
}
.btn-primary:hover{transform:translateY(-2px);box-shadow:0 0 36px rgba(56,189,248,.75)}
.btn-primary:active{transform:translateY(0) scale(.98)}
.btn-ghost{
  background:rgba(148,163,184,.08);color:#E2E8F0;
  border-color:rgba(148,163,184,.32);
}
.btn-ghost:hover{border-color:var(--cyan);color:#fff;background:rgba(56,189,248,.14);transform:translateY(-2px)}
.btn-sm{padding:10px 18px;font-size:13.5px}
.btn-block{width:100%}

/* ============ HEADER / NAV ============ */
.site-header{
  position:fixed;top:0;left:0;right:0;z-index:100;
  background:rgba(4,7,15,.84);
  -webkit-backdrop-filter:blur(16px);backdrop-filter:blur(16px);
  border-bottom:1px solid rgba(56,189,248,.14);
}
.nav-wrap{display:flex;align-items:center;gap:20px;height:70px}
.brand{display:flex;align-items:center;gap:11px;flex-shrink:0}
.brand-mark{
  width:40px;height:40px;border-radius:13px;flex-shrink:0;
  background:linear-gradient(135deg,#2563EB,#38BDF8);
  display:grid;place-items:center;font-size:19px;color:#03121F;
  box-shadow:0 0 18px rgba(56,189,248,.5);
}
.brand-text{display:flex;flex-direction:column;line-height:1.15}
.brand-name{font-size:15px;font-weight:800;letter-spacing:.2px}
.brand-sub{font-size:10.5px;color:var(--dim);letter-spacing:1.6px;text-transform:uppercase}
.main-nav{margin-left:auto}
.main-nav ul{display:flex;align-items:center;gap:4px}
.main-nav a{
  display:block;padding:9px 15px;border-radius:999px;
  font-size:14.5px;font-weight:500;color:var(--muted);
  transition:color var(--ease),background var(--ease),box-shadow var(--ease);
}
.main-nav a:hover{color:#fff;background:rgba(56,189,248,.1)}
.main-nav a.active{
  color:#fff;background:rgba(37,99,235,.24);
  box-shadow:inset 0 0 0 1px rgba(96,165,250,.45);
}
.nav-actions{display:flex;align-items:center;gap:10px;flex-shrink:0}
.btn-login{
  font-size:14px;font-weight:600;color:var(--cyan);
  padding:9px 12px;border-radius:999px;
  border:1px solid rgba(56,189,248,.3);
  transition:color var(--ease),border-color var(--ease),background var(--ease);
}
.btn-login:hover{color:#fff;border-color:var(--cyan);background:rgba(56,189,248,.12)}
.btn-signup{
  font-size:14px;font-weight:700;color:#03121F;
  padding:10px 18px;border-radius:999px;
  background:linear-gradient(135deg,#2563EB,#38BDF8);
  box-shadow:0 0 16px rgba(56,189,248,.42);
  transition:transform var(--ease),box-shadow var(--ease);
}
.btn-signup:hover{transform:translateY(-1px);box-shadow:0 0 26px rgba(56,189,248,.7)}
.nav-toggle{
  display:none;width:44px;height:44px;border-radius:12px;cursor:pointer;
  background:rgba(148,163,184,.1);border:1px solid rgba(148,163,184,.28);
  color:#fff;align-items:center;justify-content:center;
}
.mobile-drawer{
  display:none;border-top:1px solid rgba(56,189,248,.14);
  background:rgba(5,10,22,.97);padding:12px 20px 20px;
}
.mobile-drawer.open{display:block}
.mobile-drawer a{
  display:block;padding:13px 14px;border-radius:12px;
  color:var(--muted);font-weight:600;font-size:15px;
}
.mobile-drawer a.active{color:#fff;background:rgba(37,99,235,.22)}
.mobile-drawer a:hover{color:#fff;background:rgba(56,189,248,.1)}

/* ============ HERO ============ */
.hero{position:relative;padding:132px 0 70px;overflow:hidden}
.hero-bg{
  position:absolute;inset:0;
  background:url('/assets/images/b729deb6f2d2dad6.jpg') center/cover no-repeat;
}
.hero-bg::after{
  content:'';position:absolute;inset:0;
  background:linear-gradient(180deg,rgba(4,7,15,.84) 0%,rgba(4,7,15,.92) 46%,var(--bg) 100%);
}
.hero-glow{
  position:absolute;width:620px;height:620px;border-radius:50%;
  top:-220px;right:-160px;pointer-events:none;
  background:radial-gradient(circle,rgba(56,189,248,.28),rgba(56,189,248,0) 68%);
}
.hero .container{position:relative;z-index:2}
.eyebrow{
  display:inline-flex;align-items:center;gap:9px;
  padding:8px 16px;border-radius:999px;font-size:12.5px;font-weight:700;
  letter-spacing:1.2px;text-transform:uppercase;color:#BAE6FD;
  background:rgba(37,99,235,.18);border:1px solid rgba(96,165,250,.36);
  -webkit-backdrop-filter:blur(8px);backdrop-filter:blur(8px);
}
.hero h1{
  margin-top:22px;font-size:clamp(28px,4.2vw,50px);line-height:1.2;
  font-weight:800;letter-spacing:-.8px;max-width:900px;
}
.hero h1 em{
  font-style:normal;
  background:linear-gradient(120deg,#38BDF8,#A3E635);
  -webkit-background-clip:text;background-clip:text;color:transparent;
}
.hero-lead{
  margin-top:20px;max-width:660px;font-size:16.5px;line-height:1.75;color:#CBD5E1;
}
.hero-cta{margin-top:28px;display:flex;flex-wrap:wrap;gap:12px;align-items:center}
.trust-row{
  margin-top:26px;display:flex;flex-wrap:wrap;gap:10px;align-items:center;
  font-size:12.5px;color:var(--muted);
}
.trust-row span{
  padding:7px 13px;border-radius:999px;
  background:rgba(148,163,184,.08);border:1px solid rgba(148,163,184,.18);
}
.trust-row span.age{color:#FDA4AF;border-color:rgba(244,63,94,.34);background:rgba(244,63,94,.1);font-weight:700}

.hero-grid{display:grid;grid-template-columns:1.12fr .88fr;gap:44px;align-items:start}
.glass{
  background:var(--panel);
  border:1px solid var(--line);
  border-radius:var(--r-lg);
  -webkit-backdrop-filter:blur(14px);backdrop-filter:blur(14px);
  box-shadow:var(--shadow-soft);
}
.pulse-panel{padding:24px}
.pulse-head{display:flex;align-items:center;justify-content:space-between;gap:12px;margin-bottom:6px}
.pulse-head h2{font-size:17px;letter-spacing:0}
.live-dot{display:inline-flex;align-items:center;gap:7px;font-size:12px;color:var(--lime);font-weight:700}
.live-dot i{width:8px;height:8px;border-radius:50%;background:var(--lime);box-shadow:0 0 10px rgba(163,230,53,.9);animation:blink 1.6s infinite}
@keyframes blink{0%,100%{opacity:1}50%{opacity:.35}}
.pulse-sub{font-size:13px;color:var(--dim);margin-bottom:18px}
.meter{margin-bottom:16px}
.meter:last-child{margin-bottom:0}
.meter-top{display:flex;justify-content:space-between;font-size:13.5px;font-weight:600;margin-bottom:7px}
.meter-top b{color:var(--cyan)}
.meter-bar{height:7px;border-radius:999px;background:rgba(148,163,184,.14);overflow:hidden}
.meter-bar i{display:block;height:100%;border-radius:999px;background:linear-gradient(90deg,#2563EB,#38BDF8)}
.meter-bar i.lime{background:linear-gradient(90deg,#65A30D,#A3E635)}
.meter-bar i.pink{background:linear-gradient(90deg,#BE123C,#F43F5E)}

/* ============ SECTION ============ */
.section{padding:74px 0;position:relative}
.section-tight{padding-top:52px}
.section-alt{background:linear-gradient(180deg,rgba(7,18,41,.72),rgba(4,7,15,0))}
.section-head{max-width:780px;margin-bottom:34px}
.section-head h2{font-size:clamp(23px,2.6vw,33px);margin-bottom:12px}
.section-head p{color:var(--muted);font-size:15.5px;line-height:1.75;margin:0}
.kicker{
  display:inline-block;margin-bottom:14px;font-size:12px;font-weight:800;
  letter-spacing:2px;text-transform:uppercase;color:var(--holo);
}
.divider{height:1px;background:linear-gradient(90deg,rgba(56,189,248,.4),rgba(56,189,248,0));border:0;margin:0}

/* ============ GRID ============ */
.grid-x{display:flex;flex-flow:row wrap;margin-left:-12px;margin-right:-12px}
.grid-x>.cell{padding-left:12px;padding-right:12px;margin-bottom:24px;min-width:0}

/* ============ CARDS ============ */
.card{
  height:100%;
  padding:24px;
  border-radius:var(--r-lg);
  background:var(--panel-2);
  border:1px solid var(--line);
  transition:transform var(--ease),border-color var(--ease),box-shadow var(--ease),background var(--ease);
}
.card:hover{
  transform:translateY(-4px);
  border-color:var(--line-mid);
  background:rgba(12,26,52,.72);
  box-shadow:0 0 26px rgba(56,189,248,.22);
}
.card-icon{
  width:46px;height:46px;border-radius:14px;display:grid;place-items:center;
  font-size:19px;color:#BAE6FD;margin-bottom:16px;
  background:linear-gradient(135deg,rgba(37,99,235,.32),rgba(56,189,248,.14));
  border:1px solid rgba(96,165,250,.34);
}
.card h3{font-size:17.5px;margin-bottom:10px}
.card p{color:var(--muted);font-size:14.6px;line-height:1.7;margin:0}
.card .tag{display:inline-block;margin-top:14px;font-size:11.5px;font-weight:700;letter-spacing:1px;text-transform:uppercase;color:var(--lime)}

/* ============ SPLIT LISTS ============ */
.split{display:grid;grid-template-columns:1fr 1fr;gap:46px;align-items:start}
.check-list li{
  display:flex;gap:12px;padding:14px 0;
  border-bottom:1px dashed rgba(148,163,184,.2);
  font-size:15px;color:#CBD5E1;line-height:1.7;
}
.check-list li:last-child{border-bottom:0}
.check-list i{color:var(--cyan);margin-top:5px;font-size:14px;flex-shrink:0}
.check-list strong{color:#fff;font-weight:700}

.session-row{
  display:grid;grid-template-columns:1.1fr 1fr 1fr;gap:14px;align-items:center;
  padding:16px 18px;border-radius:var(--r-md);
  background:rgba(8,18,41,.6);border:1px solid var(--line);
  margin-bottom:12px;transition:border-color var(--ease),background var(--ease);
}
.session-row:hover{border-color:var(--line-mid);background:rgba(12,26,52,.72)}
.session-row .s-time{font-weight:700;font-size:15px}
.session-row .s-note{font-size:13.8px;color:var(--muted)}
.badge{
  display:inline-block;padding:5px 11px;border-radius:999px;
  font-size:11.5px;font-weight:700;letter-spacing:.6px;text-transform:uppercase;
  background:rgba(56,189,248,.14);color:#BAE6FD;border:1px solid rgba(56,189,248,.3);
}
.badge.hot{background:rgba(244,63,94,.14);color:#FDA4AF;border-color:rgba(244,63,94,.36)}
.badge.calm{background:rgba(163,230,53,.12);color:#D9F99D;border-color:rgba(163,230,53,.32)}

/* ============ STEPS ============ */
.steps{counter-reset:step;display:grid;gap:14px}
.step{
  position:relative;padding:22px 24px 22px 76px;
  border-radius:var(--r-md);
  background:linear-gradient(90deg,rgba(12,26,52,.8),rgba(8,18,41,.42));
  border:1px solid var(--line);
  transition:transform var(--ease),border-color var(--ease);
}
.step:hover{transform:translateX(4px);border-color:var(--line-mid)}
.step::before{
  counter-increment:step;content:counter(step,decimal-leading-zero);
  position:absolute;left:22px;top:20px;
  width:36px;height:36px;border-radius:12px;display:grid;place-items:center;
  font-size:14px;font-weight:800;color:#03121F;
  background:linear-gradient(135deg,#38BDF8,#60A5FA);
  box-shadow:0 0 16px rgba(56,189,248,.45);
}
.step h3{font-size:16.5px;margin-bottom:7px}
.step p{color:var(--muted);font-size:14.6px;margin:0;line-height:1.7}

/* ============ STATS ============ */
.stats{
  display:grid;grid-template-columns:repeat(4,1fr);gap:0;
  border-radius:var(--r-lg);overflow:hidden;
  border:1px solid var(--line);background:var(--panel-2);
}
.stat{padding:28px 22px;border-right:1px solid rgba(56,189,248,.14)}
.stat:last-child{border-right:0}
.stat b{
  display:block;font-size:clamp(24px,3vw,34px);font-weight:800;line-height:1.1;
  background:linear-gradient(120deg,#38BDF8,#A3E635);
  -webkit-background-clip:text;background-clip:text;color:transparent;
}
.stat span{display:block;margin-top:8px;font-size:13.6px;color:var(--muted);line-height:1.6}

/* ============ MEDIA BLOCK ============ */
.media{display:grid;grid-template-columns:.9fr 1.1fr;gap:40px;align-items:center}
.media img{border-radius:var(--r-lg);border:1px solid var(--line);box-shadow:var(--shadow-soft)}
.mistake{padding:18px 0;border-bottom:1px dashed rgba(148,163,184,.2)}
.mistake:last-child{border-bottom:0}
.mistake h3{font-size:16px;margin-bottom:7px;display:flex;gap:10px;align-items:center}
.mistake h3 i{color:var(--pink)}
.mistake p{color:var(--muted);font-size:14.6px;margin:0;line-height:1.7}

/* ============ QUOTES ============ */
.quote{
  height:100%;padding:24px;border-radius:var(--r-lg);
  background:linear-gradient(180deg,rgba(12,26,52,.72),rgba(8,18,41,.45));
  border:1px solid var(--line);
}
.quote i.q{color:var(--cyan);font-size:18px}
.quote p{margin:14px 0 18px;color:#CBD5E1;font-size:14.6px;line-height:1.72}
.quote-who{display:flex;align-items:center;gap:12px}
.avatar{
  width:38px;height:38px;border-radius:50%;flex-shrink:0;display:grid;place-items:center;
  font-weight:800;font-size:14px;color:#03121F;
  background:linear-gradient(135deg,#38BDF8,#A3E635);
}
.quote-who b{display:block;font-size:14.4px}
.quote-who span{font-size:12.4px;color:var(--dim)}

/* ============ FAQ ============ */
.faq{display:grid;gap:12px;max-width:920px}
.faq details{
  border-radius:var(--r-md);border:1px solid var(--line);
  background:rgba(8,18,41,.55);overflow:hidden;
  transition:border-color var(--ease),background var(--ease);
}
.faq details[open]{border-color:var(--line-mid);background:rgba(12,26,52,.7)}
.faq summary{
  cursor:pointer;padding:18px 22px;font-weight:700;font-size:15.6px;
  display:flex;justify-content:space-between;gap:16px;align-items:center;
  list-style:none;
}
.faq summary::-webkit-details-marker{display:none}
.faq summary::after{
  content:'\f067';font-family:'Font Awesome 6 Free';font-weight:900;
  font-size:13px;color:var(--cyan);transition:transform var(--ease);flex-shrink:0;
}
.faq details[open] summary::after{transform:rotate(45deg)}
.faq .answer{padding:0 22px 20px;color:var(--muted);font-size:14.8px;line-height:1.75}

/* ============ CTA ============ */
.cta-band{
  position:relative;overflow:hidden;
  border-radius:var(--r-xl);border:1px solid var(--line-mid);
  background:linear-gradient(135deg,rgba(37,99,235,.24),rgba(8,18,41,.86));
  padding:40px;
  display:grid;grid-template-columns:1.05fr .95fr;gap:40px;align-items:center;
}
.cta-band::before{
  content:'';position:absolute;width:460px;height:460px;border-radius:50%;
  right:-140px;top:-180px;
  background:radial-gradient(circle,rgba(56,189,248,.32),rgba(56,189,248,0) 70%);
  pointer-events:none;
}
.cta-band h2{font-size:clamp(22px,2.6vw,30px);margin-bottom:12px}
.cta-band p{color:#CBD5E1;font-size:15px;line-height:1.75;margin:0}
.cta-form{display:grid;gap:12px;position:relative;z-index:2}
.field label{display:block;font-size:12.6px;font-weight:700;color:var(--muted);margin-bottom:6px;letter-spacing:.6px}
.field input{
  width:100%;padding:14px 16px;border-radius:14px;
  background:rgba(4,10,24,.82);border:1px solid rgba(148,163,184,.28);
  color:#fff;transition:border-color var(--ease),box-shadow var(--ease);
}
.field input::placeholder{color:#64748B}
.field input:hover{border-color:rgba(56,189,248,.42)}
.field input:focus{border-color:var(--cyan);box-shadow:0 0 0 3px rgba(56,189,248,.16);outline:none}
.form-note{font-size:12.4px;color:var(--dim);margin:0}
.pay-line{display:flex;flex-wrap:wrap;gap:8px;margin-top:6px}
.pay-line span{
  font-size:11.8px;font-weight:600;padding:6px 12px;border-radius:999px;
  background:rgba(148,163,184,.1);border:1px solid rgba(148,163,184,.2);color:#CBD5E1;
}

/* ============ FOOTER ============ */
.site-footer{
  margin-top:60px;padding:56px 0 26px;
  border-top:1px solid rgba(56,189,248,.16);
  background:linear-gradient(180deg,rgba(7,18,41,.7),rgba(3,6,13,1));
}
.foot-grid{display:grid;grid-template-columns:1.5fr 1fr 1fr 1fr;gap:34px}
.foot-brand{display:flex;align-items:center;gap:11px;margin-bottom:16px}
.foot-brand .brand-name{font-size:15.5px}
.foot-brand .brand-sub{font-size:10.5px}
.foot-col p{color:var(--muted);font-size:14.2px;line-height:1.72;max-width:340px}
.foot-col h4{font-size:14.4px;margin-bottom:14px;letter-spacing:.3px}
.foot-col a{
  display:block;color:var(--muted);font-size:14.2px;padding:6px 0;
  transition:color var(--ease),transform var(--ease);
}
.foot-col a:hover{color:var(--cyan);transform:translateX(3px)}
.pay-row{display:flex;flex-wrap:wrap;gap:8px;margin-top:14px}
.pay-row span{
  font-size:11.8px;padding:6px 11px;border-radius:999px;
  background:rgba(148,163,184,.08);border:1px solid rgba(148,163,184,.2);color:#CBD5E1;
}
.foot-bottom{
  margin-top:36px;padding-top:20px;border-top:1px solid rgba(148,163,184,.16);
  display:flex;justify-content:space-between;gap:14px;flex-wrap:wrap;
  font-size:12.6px;color:var(--dim);
}
.foot-bottom strong{color:#CBD5E1}

/* ============ FAB ============ */
.fab{
  position:fixed;left:16px;bottom:96px;z-index:60;
  display:inline-flex;align-items:center;gap:10px;
  padding:12px 18px 12px 12px;border-radius:999px;
  background:rgba(7,7,13,.8);
  -webkit-backdrop-filter:blur(14px);backdrop-filter:blur(14px);
  border:1px solid transparent;
  background-image:linear-gradient(rgba(7,12,24,.9),rgba(7,12,24,.9)),linear-gradient(135deg,#38BDF8,#A3E635);
  background-origin:border-box;background-clip:padding-box,border-box;
  box-shadow:0 0 20px rgba(56,189,248,.45);
  opacity:.78;
  animation:fabPulse 2.6s ease-in-out infinite;
  transition:opacity var(--ease),transform var(--ease),box-shadow var(--ease);
}
@keyframes fabPulse{0%,100%{box-shadow:0 0 18px rgba(56,189,248,.4)}50%{box-shadow:0 0 30px rgba(163,230,53,.5)}}
.fab:hover{opacity:1;transform:translateY(-3px) scale(1.04);box-shadow:0 0 34px rgba(56,189,248,.7)}
.fab:active{transform:scale(.96)}
.fab-icon{
  width:40px;height:40px;border-radius:50%;display:grid;place-items:center;
  font-size:17px;color:#03121F;flex-shrink:0;
  background:linear-gradient(135deg,#38BDF8,#A3E635);
}
.fab-text{font-size:13.6px;font-weight:700;color:#E2E8F0;white-space:nowrap}
.fab-dot{
  position:absolute;top:6px;right:10px;width:9px;height:9px;border-radius:50%;
  background:#F43F5E;box-shadow:0 0 12px rgba(244,63,94,.95);animation:blink 1.4s infinite;
}

/* ============ RESPONSIVE ============ */
@media (max-width:1024px){
  .main-nav{display:none}
  .nav-toggle{display:inline-flex}
  .hero{padding-top:112px}
  .hero-grid{grid-template-columns:1fr;gap:32px}
  .split{grid-template-columns:1fr;gap:30px}
  .media{grid-template-columns:1fr;gap:26px}
  .stats{grid-template-columns:repeat(2,1fr)}
  .stat:nth-child(2){border-right:0}
  .stat:nth-child(1),.stat:nth-child(2){border-bottom:1px solid rgba(56,189,248,.14)}
  .cta-band{grid-template-columns:1fr;padding:32px}
  .foot-grid{grid-template-columns:1fr 1fr;gap:28px}
}
@media (max-width:768px){
  body{font-size:15.5px}
  .section{padding:56px 0}
  .hero{padding:104px 0 52px}
  .hero h1{font-size:26px;letter-spacing:-.4px}
  .hero-lead{font-size:15.4px}
  .btn{padding:12px 20px;font-size:14.4px}
  .grid-x{margin-left:-8px;margin-right:-8px}
  .grid-x>.cell{padding-left:8px;padding-right:8px;margin-bottom:16px}
  .card{padding:20px}
  .session-row{grid-template-columns:1fr;gap:8px}
  .step{padding:20px 20px 20px 68px}
  .foot-bottom{flex-direction:column;gap:8px}
  .fab{bottom:20px;padding:10px 16px 10px 10px}
  .fab-text{font-size:12.8px}
}
@media (max-width:520px){
  .brand-text{display:none}
  .brand-short{display:inline-block}
  .nav-wrap{height:64px;gap:12px}
  .btn-login{padding:8px 10px;font-size:13px}
  .btn-signup{padding:9px 14px;font-size:13px}
  .stats{grid-template-columns:1fr}
  .stat{border-right:0;border-bottom:1px solid rgba(56,189,248,.14)}
  .stat:last-child{border-bottom:0}
  .foot-grid{grid-template-columns:1fr}
  .hero-cta .btn{width:100%}
  .fab{bottom:16px;left:12px}
}

/* roulang page: category3 */
:root{
  --bg:#04070F;
  --bg-deep:#03060D;
  --bg-soft:#071229;
  --panel:rgba(12,24,48,.66);
  --panel-2:rgba(8,18,41,.55);
  --line:rgba(56,189,248,.18);
  --line-mid:rgba(56,189,248,.32);
  --blue:#2563EB;
  --cyan:#38BDF8;
  --holo:#60A5FA;
  --pink:#F43F5E;
  --lime:#A3E635;
  --amber:#F59E0B;
  --text:#F8FAFC;
  --muted:#94A3B8;
  --dim:#7C8AA0;
  --r-xl:26px;
  --r-lg:20px;
  --r-md:16px;
  --r-sm:10px;
  --shadow-soft:0 18px 44px rgba(0,0,0,.45);
  --shadow-glow:0 0 24px rgba(56,189,248,.45);
  --ease:.28s cubic-bezier(.4,0,.2,1);
}
*,*::before,*::after{box-sizing:border-box}
html{scroll-behavior:smooth;-webkit-text-size-adjust:100%}
body{
  margin:0;
  background:var(--bg);
  color:var(--text);
  font-family:'Be Vietnam Pro',-apple-system,BlinkMacSystemFont,'Segoe UI',Roboto,Arial,sans-serif;
  font-size:16px;
  line-height:1.65;
  -webkit-font-smoothing:antialiased;
  overflow-x:hidden;
}
img{max-width:100%;display:block;border:0}
a{color:inherit;text-decoration:none}
button,input,select{font-family:inherit;font-size:inherit}
h1,h2,h3,h4,p,ul,ol{margin:0}
ul,ol{padding:0;list-style:none}
:focus-visible{outline:2px solid var(--cyan);outline-offset:3px;border-radius:6px}

.container{width:100%;max-width:1200px;margin:0 auto;padding:0 20px}

/* ============ BUTTONS ============ */
.btn{
  display:inline-flex;align-items:center;justify-content:center;gap:9px;
  padding:13px 24px;border-radius:999px;font-weight:700;font-size:15px;
  border:1px solid transparent;cursor:pointer;white-space:nowrap;text-align:center;
  transition:transform var(--ease),box-shadow var(--ease),background var(--ease),color var(--ease),border-color var(--ease);
}
.btn-primary{
  background:linear-gradient(135deg,#2563EB,#38BDF8);
  color:#03121F;box-shadow:0 0 22px rgba(56,189,248,.45);
}
.btn-primary:hover{transform:translateY(-2px);box-shadow:0 0 36px rgba(56,189,248,.75)}
.btn-primary:active{transform:translateY(0) scale(.98)}
.btn-ghost{
  background:rgba(148,163,184,.08);color:#E2E8F0;
  border-color:rgba(148,163,184,.32);
}
.btn-ghost:hover{border-color:var(--cyan);color:#fff;background:rgba(56,189,248,.14);transform:translateY(-2px)}
.btn-sm{padding:10px 18px;font-size:13.5px}
.btn-block{width:100%}

/* ============ HEADER / NAV ============ */
.site-header{
  position:fixed;top:0;left:0;right:0;z-index:100;
  background:rgba(4,7,15,.84);
  -webkit-backdrop-filter:blur(16px);backdrop-filter:blur(16px);
  border-bottom:1px solid rgba(56,189,248,.14);
}
.nav-wrap{display:flex;align-items:center;gap:20px;height:70px}
.brand{display:flex;align-items:center;gap:11px;flex-shrink:0}
.brand-mark{
  width:40px;height:40px;border-radius:13px;flex-shrink:0;
  background:linear-gradient(135deg,#2563EB,#38BDF8);
  display:grid;place-items:center;font-size:19px;color:#03121F;
  box-shadow:0 0 18px rgba(56,189,248,.5);
}
.brand-text{display:flex;flex-direction:column;line-height:1.15}
.brand-name{font-size:15px;font-weight:800;letter-spacing:.2px;color:#fff}
.brand-sub{font-size:10.5px;color:var(--dim);letter-spacing:1.6px;text-transform:uppercase}
.main-nav{margin-left:auto}
.main-nav ul{display:flex;align-items:center;gap:4px}
.main-nav a{
  display:block;padding:9px 15px;border-radius:999px;
  font-size:14.5px;font-weight:500;color:var(--muted);
  transition:color var(--ease),background var(--ease),box-shadow var(--ease);
}
.main-nav a:hover{color:#fff;background:rgba(56,189,248,.1)}
.main-nav a.active{
  color:#fff;background:rgba(37,99,235,.24);
  box-shadow:inset 0 0 0 1px rgba(96,165,250,.45);
}
.nav-actions{display:flex;align-items:center;gap:10px;flex-shrink:0}
.btn-login{
  font-size:14px;font-weight:600;color:var(--cyan);
  padding:9px 12px;border-radius:999px;
  border:1px solid rgba(56,189,248,.3);
  transition:color var(--ease),border-color var(--ease),background var(--ease);
}
.btn-login:hover{color:#fff;border-color:var(--cyan);background:rgba(56,189,248,.12)}
.btn-signup{
  font-size:14px;font-weight:700;color:#03121F;
  padding:10px 18px;border-radius:999px;
  background:linear-gradient(135deg,#2563EB,#38BDF8);
  box-shadow:0 0 16px rgba(56,189,248,.42);
  transition:transform var(--ease),box-shadow var(--ease);
}
.btn-signup:hover{transform:translateY(-1px);box-shadow:0 0 26px rgba(56,189,248,.7)}
.nav-toggle{
  display:none;width:44px;height:44px;border-radius:12px;cursor:pointer;
  background:rgba(148,163,184,.1);border:1px solid rgba(148,163,184,.28);
  color:#fff;align-items:center;justify-content:center;flex-shrink:0;
}
.nav-toggle:hover{background:rgba(56,189,248,.16);border-color:var(--cyan)}
.mobile-drawer{
  display:none;border-top:1px solid rgba(56,189,248,.14);
  background:rgba(5,10,22,.97);padding:12px 20px 20px;
}
.mobile-drawer.open{display:block}
.mobile-drawer a{
  display:block;padding:13px 14px;border-radius:12px;
  color:var(--muted);font-weight:600;font-size:15px;
}
.mobile-drawer a.active{color:#fff;background:rgba(37,99,235,.22)}
.mobile-drawer a:hover{color:#fff;background:rgba(56,189,248,.1)}

/* ============ HERO ============ */
.hero{position:relative;padding:130px 0 72px;overflow:hidden}
.hero-bg{
  position:absolute;inset:0;
  background:url('/assets/images/b729deb6f2d2dad6.jpg') center/cover no-repeat;
}
.hero-bg::after{
  content:'';position:absolute;inset:0;
  background:linear-gradient(180deg,rgba(4,7,15,.84) 0%,rgba(4,7,15,.92) 46%,var(--bg) 100%);
}
.hero-glow{
  position:absolute;width:640px;height:640px;border-radius:50%;
  top:-230px;right:-170px;pointer-events:none;
  background:radial-gradient(circle,rgba(56,189,248,.28),rgba(56,189,248,0) 68%);
}
.hero .container{position:relative;z-index:2}
.eyebrow{
  display:inline-flex;align-items:center;gap:9px;
  padding:8px 16px;border-radius:999px;font-size:12.5px;font-weight:700;
  letter-spacing:1.2px;text-transform:uppercase;color:#BAE6FD;
  background:rgba(37,99,235,.18);border:1px solid rgba(96,165,250,.36);
  -webkit-backdrop-filter:blur(8px);backdrop-filter:blur(8px);
}
.hero h1{
  margin-top:22px;font-size:clamp(27px,4.2vw,50px);line-height:1.2;
  font-weight:800;letter-spacing:-.8px;max-width:930px;
}
.hero h1 em{
  font-style:normal;
  background:linear-gradient(120deg,#38BDF8,#A3E635);
  -webkit-background-clip:text;background-clip:text;color:transparent;
}
.hero-lead{
  margin-top:20px;max-width:720px;font-size:16.5px;line-height:1.75;color:#CBD5E1;
}
.hero-cta{display:flex;flex-wrap:wrap;gap:12px;margin-top:30px}
.trust-row{
  margin-top:28px;display:flex;flex-wrap:wrap;gap:10px;align-items:center;
  font-size:12.5px;color:var(--muted);
}
.trust-row span{
  padding:7px 13px;border-radius:999px;
  background:rgba(148,163,184,.08);border:1px solid rgba(148,163,184,.18);
}
.trust-row span.age{color:#FDA4AF;border-color:rgba(244,63,94,.36);background:rgba(244,63,94,.1);font-weight:700}
.hero-panel{
  margin-top:34px;
  background:linear-gradient(160deg,rgba(12,24,48,.78),rgba(6,14,32,.62));
  border:1px solid var(--line-mid);
  border-radius:var(--r-xl);
  padding:26px 24px;
  -webkit-backdrop-filter:blur(14px);backdrop-filter:blur(14px);
  box-shadow:var(--shadow-soft);
}
.hero-panel h2{
  font-size:16px;font-weight:800;letter-spacing:.4px;margin-bottom:6px;
  display:flex;align-items:center;gap:10px;
}
.hero-panel h2 i{color:var(--cyan)}
.hero-panel .panel-sub{font-size:13.5px;color:var(--muted);margin-bottom:18px}
.check-list li{
  display:flex;gap:12px;align-items:flex-start;
  padding:11px 0;border-top:1px dashed rgba(148,163,184,.16);
  font-size:14.5px;color:#DDE6F2;line-height:1.55;
}
.check-list li:first-child{border-top:0;padding-top:0}
.check-list i{
  color:var(--lime);font-size:15px;margin-top:3px;flex-shrink:0;
  text-shadow:0 0 12px rgba(163,230,53,.5);
}
.hero-panel .panel-foot{
  margin-top:16px;padding-top:16px;border-top:1px solid rgba(148,163,184,.14);
  font-size:13px;color:var(--dim);display:flex;align-items:center;gap:9px;
}
.hero-panel .panel-foot i{color:var(--cyan)}

/* ============ SECTIONS ============ */
.section{padding:78px 0;position:relative}
.section--tight{padding:60px 0}
.section--soft{background:linear-gradient(180deg,var(--bg-deep) 0%,var(--bg-soft) 50%,var(--bg-deep) 100%)}
.section--line{border-top:1px solid rgba(56,189,248,.12)}
.section-head{max-width:820px;margin-bottom:40px}
.section-head.center{margin-left:auto;margin-right:auto;text-align:center}
.section-tag{
  display:inline-flex;align-items:center;gap:8px;
  font-size:12px;font-weight:700;letter-spacing:1.4px;text-transform:uppercase;
  color:var(--cyan);margin-bottom:14px;
}
.section-tag i{font-size:12px}
.section-head h2{
  font-size:clamp(23px,3vw,34px);line-height:1.28;font-weight:800;letter-spacing:-.4px;
}
.section-head h2 em{
  font-style:normal;
  background:linear-gradient(120deg,#38BDF8,#A3E635);
  -webkit-background-clip:text;background-clip:text;color:transparent;
}
.section-head p{margin-top:14px;color:#B6C4D6;font-size:15.8px;line-height:1.75}

/* ============ GLASS CARDS ============ */
.glass{
  background:var(--panel);
  border:1px solid var(--line);
  border-radius:var(--r-lg);
  -webkit-backdrop-filter:blur(12px);backdrop-filter:blur(12px);
  transition:transform var(--ease),border-color var(--ease),box-shadow var(--ease);
}
.glass:hover{
  transform:translateY(-4px);
  border-color:var(--line-mid);
  box-shadow:0 14px 34px rgba(0,0,0,.42),0 0 22px rgba(56,189,248,.16);
}
.pad{padding:26px 24px}
.card-icon{
  width:48px;height:48px;border-radius:14px;display:grid;place-items:center;
  font-size:19px;margin-bottom:16px;
  background:rgba(37,99,235,.2);border:1px solid rgba(96,165,250,.34);color:var(--cyan);
}
.card-icon.amber{background:rgba(245,158,11,.16);border-color:rgba(245,158,11,.4);color:#FCD34D}
.card-icon.lime{background:rgba(163,230,53,.14);border-color:rgba(163,230,53,.36);color:var(--lime)}
.card-icon.pink{background:rgba(244,63,94,.14);border-color:rgba(244,63,94,.36);color:#FDA4AF}
.glass h3{font-size:17px;font-weight:700;line-height:1.4;margin-bottom:9px}
.glass p{font-size:14.6px;color:#AEBCCE;line-height:1.7}

/* ============ PAIN LIST ============ */
.pain-grid{display:grid;grid-template-columns:1fr;gap:0}
.pain-item{
  display:flex;gap:18px;align-items:flex-start;
  padding:22px 0;border-bottom:1px solid rgba(148,163,184,.12);
}
.pain-item:last-child{border-bottom:0}
.pain-num{
  flex-shrink:0;width:44px;height:44px;border-radius:12px;
  display:grid;place-items:center;font-weight:800;font-size:15px;
  background:rgba(244,63,94,.12);border:1px solid rgba(244,63,94,.32);color:#FDA4AF;
}
.pain-item h3{font-size:16.5px;font-weight:700;margin-bottom:7px}
.pain-item p{color:#A8B6C8;font-size:14.8px;line-height:1.7;max-width:760px}
.pain-item strong{color:#E2E8F0;font-weight:600}

/* ============ STEP LIST ============ */
.step-item{
  position:relative;padding:24px 24px 24px 26px;
  background:var(--panel-2);border:1px solid var(--line);
  border-radius:var(--r-lg);
  height:100%;
  transition:transform var(--ease),border-color var(--ease),box-shadow var(--ease);
}
.step-item:hover{transform:translateY(-4px);border-color:var(--line-mid);box-shadow:0 14px 30px rgba(0,0,0,.4)}
.step-no{
  font-size:12px;font-weight:800;letter-spacing:2px;color:var(--cyan);
  text-transform:uppercase;margin-bottom:10px;display:block;
}
.step-item h3{font-size:16.5px;font-weight:700;margin-bottom:9px}
.step-item p{font-size:14.5px;color:#A8B6C8;line-height:1.7}
.step-item .step-note{
  margin-top:14px;padding-top:12px;border-top:1px dashed rgba(148,163,184,.16);
  font-size:13px;color:var(--dim);
}
.step-item .step-note strong{color:#BAE6FD;font-weight:600}

/* ============ REWARD TABLE ============ */
.table-wrap{
  border:1px solid var(--line);border-radius:var(--r-lg);overflow:hidden;
  -webkit-backdrop-filter:blur(10px);backdrop-filter:blur(10px);
  background:var(--panel-2);
}
table.reward{width:100%;border-collapse:collapse;font-size:14.6px;margin:0;background:transparent}
table.reward thead th{
  background:rgba(37,99,235,.2);color:#DCEBFF;font-weight:700;
  font-size:12.5px;letter-spacing:1.1px;text-transform:uppercase;
  padding:15px 18px;text-align:left;border-bottom:1px solid var(--line);
}
table.reward tbody td{
  padding:15px 18px;border-bottom:1px solid rgba(148,163,184,.1);color:#C3D0E0;
}
table.reward tbody tr:last-child td{border-bottom:0}
table.reward tbody tr:hover td{background:rgba(56,189,248,.06)}
table.reward .mult{
  font-weight:800;color:#fff;
  background:linear-gradient(120deg,#38BDF8,#A3E635);
  -webkit-background-clip:text;background-clip:text;color:transparent;
}
.table-note{
  margin-top:14px;font-size:13.2px;color:var(--dim);line-height:1.7;
  display:flex;gap:9px;align-items:flex-start;
}
.table-note i{color:var(--cyan);margin-top:4px}

/* ============ STATS ============ */
.stat-grid{display:grid;grid-template-columns:repeat(2,1fr);gap:14px}
.stat{
  padding:22px 20px;border-radius:var(--r-md);
  background:linear-gradient(160deg,rgba(12,24,48,.72),rgba(6,14,32,.5));
  border:1px solid var(--line);
  transition:border-color var(--ease),transform var(--ease);
}
.stat:hover{border-color:var(--line-mid);transform:translateY(-3px)}
.stat b{
  display:block;font-size:clamp(22px,3vw,30px);font-weight:800;line-height:1.15;
  background:linear-gradient(120deg,#38BDF8,#A3E635);
  -webkit-background-clip:text;background-clip:text;color:transparent;
}
.stat span{display:block;margin-top:7px;font-size:13.2px;color:var(--muted);line-height:1.55}

/* ============ TIERS ============ */
.tier-list{display:grid;grid-template-columns:1fr;gap:12px}
.tier{
  display:flex;align-items:center;gap:16px;
  padding:16px 18px;border-radius:var(--r-md);
  background:rgba(9,19,40,.6);border:1px solid rgba(148,163,184,.14);
  transition:border-color var(--ease),background var(--ease);
}
.tier:hover{border-color:var(--line-mid);background:rgba(12,24,48,.72)}
.tier-badge{
  flex-shrink:0;width:52px;height:52px;border-radius:14px;
  display:grid;place-items:center;font-size:18px;
}
.tier-badge.t1{background:rgba(148,163,184,.14);color:#CBD5E1;border:1px solid rgba(148,163,184,.3)}
.tier-badge.t2{background:rgba(56,189,248,.14);color:var(--cyan);border:1px solid rgba(56,189,248,.36)}
.tier-badge.t3{background:rgba(245,158,11,.14);color:#FCD34D;border:1px solid rgba(245,158,11,.36)}
.tier-badge.t4{background:rgba(244,63,94,.14);color:#FDA4AF;border:1px solid rgba(244,63,94,.36)}
.tier-body h4{font-size:15.4px;font-weight:700;margin-bottom:4px}
.tier-body p{font-size:13.8px;color:var(--muted);line-height:1.6}

/* ============ QUOTES ============ */
.quote{
  padding:24px 22px;border-radius:var(--r-lg);height:100%;
  background:var(--panel-2);border:1px solid var(--line);
  display:flex;flex-direction:column;gap:14px;
  transition:transform var(--ease),border-color var(--ease);
}
.quote:hover{transform:translateY(-4px);border-color:var(--line-mid)}
.quote .stars{color:#FCD34D;font-size:13px;letter-spacing:2px}
.quote p{font-size:14.8px;color:#C3D0E0;line-height:1.72;flex:1}
.quote .who{display:flex;align-items:center;gap:12px;padding-top:14px;border-top:1px solid rgba(148,163,184,.12)}
.quote .who .av{
  width:40px;height:40px;border-radius:12px;display:grid;place-items:center;
  font-weight:800;font-size:14px;color:#03121F;
  background:linear-gradient(135deg,#2563EB,#38BDF8);
}
.quote .who span{display:block;font-size:14px;font-weight:700;color:#fff}
.quote .who small{display:block;font-size:12.4px;color:var(--dim)}

/* ============ TAGS ============ */
.tag-row{display:flex;flex-wrap:wrap;gap:10px;margin-top:20px}
.tag{
  padding:9px 16px;border-radius:999px;font-size:13.4px;font-weight:600;
  color:#CBD5E1;background:rgba(148,163,184,.08);
  border:1px solid rgba(148,163,184,.2);
  transition:color var(--ease),border-color var(--ease),background var(--ease);
}
.tag:hover{color:#fff;border-color:var(--cyan);background:rgba(56,189,248,.12)}

/* ============ SCHEDULE ============ */
.sched-item{
  display:flex;gap:18px;align-items:center;
  padding:18px 20px;border-radius:var(--r-md);
  background:rgba(9,19,40,.55);border:1px solid var(--line);
  transition:border-color var(--ease),transform var(--ease);
}
.sched-item:hover{border-color:var(--line-mid);transform:translateX(4px)}
.sched-time{
  flex-shrink:0;min-width:112px;
  font-size:13.6px;font-weight:800;color:var(--cyan);letter-spacing:.4px;
}
.sched-time small{display:block;font-size:11.6px;color:var(--dim);font-weight:600;letter-spacing:1.2px;text-transform:uppercase}
.sched-body h4{font-size:15.2px;font-weight:700;margin-bottom:4px}
.sched-body p{font-size:13.8px;color:var(--muted);line-height:1.6}

/* ============ FAQ ============ */
.faq-list{display:grid;gap:12px;max-width:920px}
.faq-item{
  border:1px solid var(--line);border-radius:var(--r-md);
  background:var(--panel-2);overflow:hidden;
  transition:border-color var(--ease),background var(--ease);
}
.faq-item.open{border-color:var(--line-mid);background:rgba(12,24,48,.7)}
.faq-q{
  width:100%;display:flex;align-items:center;justify-content:space-between;gap:16px;
  padding:18px 20px;background:transparent;border:0;cursor:pointer;
  color:#EAF2FF;font-size:15.4px;font-weight:600;text-align:left;line-height:1.5;
  transition:color var(--ease);
}
.faq-q:hover{color:var(--cyan)}
.faq-q i{flex-shrink:0;font-size:14px;color:var(--cyan);transition:transform var(--ease)}
.faq-item.open .faq-q i{transform:rotate(180deg)}
.faq-a{display:none;padding:0 20px 20px;font-size:14.6px;color:#A8B6C8;line-height:1.75}
.faq-item.open .faq-a{display:block}

/* ============ CTA BAND ============ */
.cta-band{
  position:relative;overflow:hidden;
  border-radius:var(--r-xl);
  border:1px solid var(--line-mid);
  background:linear-gradient(140deg,rgba(15,32,64,.9),rgba(5,12,28,.86));
  -webkit-backdrop-filter:blur(14px);backdrop-filter:blur(14px);
  padding:44px 40px;
  box-shadow:var(--shadow-soft);
}
.cta-band::before{
  content:'';position:absolute;width:520px;height:520px;border-radius:50%;
  right:-200px;top:-240px;pointer-events:none;
  background:radial-gradient(circle,rgba(56,189,248,.26),rgba(56,189,248,0) 70%);
}
.cta-inner{position:relative;z-index:2}
.cta-band h2{font-size:clamp(23px,3vw,32px);font-weight:800;line-height:1.28;letter-spacing:-.4px}
.cta-band p{margin-top:14px;color:#B6C4D6;font-size:15.6px;line-height:1.75;max-width:640px}
.code-form{display:grid;gap:12px;margin-top:24px}
.code-form .field-row{display:grid;grid-template-columns:1fr auto;gap:12px}
.code-form input{
  width:100%;padding:14px 18px;border-radius:999px;
  background:rgba(3,8,20,.7);border:1px solid rgba(148,163,184,.26);
  color:#fff;font-size:15px;transition:border-color var(--ease),box-shadow var(--ease);
}
.code-form input::placeholder{color:#64748B}
.code-form input:focus{outline:none;border-color:var(--cyan);box-shadow:0 0 0 3px rgba(56,189,248,.18)}
.form-note{font-size:12.8px;color:var(--dim);line-height:1.6}
.form-msg{
  display:none;margin-top:14px;padding:13px 18px;border-radius:var(--r-sm);
  background:rgba(163,230,53,.1);border:1px solid rgba(163,230,53,.34);
  color:#D9F99D;font-size:14px;font-weight:600;
}
.form-msg.show{display:block}

/* ============ FOOTER ============ */
.site-footer{
  background:linear-gradient(180deg,var(--bg-deep) 0%,#02050C 100%);
  border-top:1px solid rgba(56,189,248,.14);
  padding:60px 0 26px;margin-top:0;
}
.foot-grid{
  display:grid;grid-template-columns:1.6fr 1fr 1fr 1fr;gap:38px;
}
.foot-brand{display:flex;align-items:center;gap:11px;margin-bottom:16px}
.foot-brand .brand-mark{width:38px;height:38px;border-radius:12px;font-size:17px}
.foot-brand .brand-text{display:flex;flex-direction:column;line-height:1.15}
.foot-brand .brand-name{font-size:15px;font-weight:800;color:#fff}
.foot-brand .brand-sub{font-size:10.5px;color:var(--dim);letter-spacing:1.5px;text-transform:uppercase}
.foot-col p{font-size:14px;color:var(--muted);line-height:1.72;max-width:400px}
.foot-col h4{
  font-size:13px;font-weight:800;letter-spacing:1.2px;text-transform:uppercase;
  color:#DCEBFF;margin-bottom:16px;
}
.foot-col a{
  display:block;font-size:14.2px;color:var(--muted);padding:6px 0;
  transition:color var(--ease),transform var(--ease);
}
.foot-col a:hover{color:var(--cyan);transform:translateX(3px)}
.pay-row{display:flex;flex-wrap:wrap;gap:8px;margin-top:18px}
.pay-row span{
  font-size:11.8px;font-weight:600;color:#BAE6FD;
  padding:6px 12px;border-radius:999px;
  background:rgba(37,99,235,.14);border:1px solid rgba(96,165,250,.26);
}
.foot-bottom{
  margin-top:44px;padding-top:22px;border-top:1px solid rgba(148,163,184,.12);
  display:flex;flex-wrap:wrap;gap:12px;justify-content:space-between;
  font-size:12.8px;color:var(--dim);
}
.foot-bottom strong{color:#CBD5E1;font-weight:700}

/* ============ FAB ============ */
.fab-support{
  position:fixed;left:16px;bottom:96px;z-index:50;
  display:inline-flex;align-items:center;gap:10px;
  padding:13px 20px;border-radius:999px;
  background:rgba(7,7,13,.82);
  -webkit-backdrop-filter:blur(14px);backdrop-filter:blur(14px);
  border:1px solid transparent;
  background-image:linear-gradient(rgba(7,7,13,.85),rgba(7,7,13,.85)),
                   linear-gradient(120deg,#A3E635,#06B6D4);
  background-origin:border-box;background-clip:padding-box,border-box;
  color:#DCEBFF;font-size:13.6px;font-weight:700;
  box-shadow:0 0 20px rgba(6,182,212,.45);
  transition:transform var(--ease),box-shadow var(--ease),opacity var(--ease);
  opacity:.86;
}
.fab-support i{color:var(--lime);font-size:15px;animation:fabBlink 2.6s infinite}
.fab-support:hover{opacity:1;transform:translateY(-3px);box-shadow:0 0 32px rgba(6,182,212,.7)}
.fab-support:active{transform:translateY(0) scale(.97)}
.fab-dot{
  position:absolute;top:-4px;right:-2px;width:11px;height:11px;border-radius:50%;
  background:#F43F5E;box-shadow:0 0 0 2px #04070F,0 0 12px rgba(244,63,94,.8);
  animation:fabPulse 1.8s infinite;
}
@keyframes fabBlink{0%,100%{opacity:1}48%{opacity:1}50%{opacity:.45}52%{opacity:1}}
@keyframes fabPulse{0%,100%{transform:scale(1)}50%{transform:scale(1.25)}}

/* ============ RESPONSIVE ============ */
@media screen and (max-width:1024px){
  .main-nav a{padding:8px 11px;font-size:13.6px}
  .btn-signup{padding:9px 15px;font-size:13.4px}
  .hero{padding-top:118px}
  .foot-grid{grid-template-columns:1fr 1fr;gap:32px}
}
@media screen and (max-width:900px){
  .main-nav{display:none}
  .nav-toggle{display:inline-flex}
  .nav-actions{margin-left:auto}
  .hero-grid > .cell:last-child{margin-top:6px}
}
@media screen and (max-width:768px){
  .section{padding:60px 0}
  .hero{padding:108px 0 58px}
  .hero h1{font-size:27px;letter-spacing:-.3px}
  .hero-lead{font-size:15.4px}
  .stat-grid{grid-template-columns:1fr 1fr}
  .cta-band{padding:32px 24px}
  .code-form .field-row{grid-template-columns:1fr}
  .sched-item{flex-direction:column;align-items:flex-start;gap:8px}
  .sched-time{min-width:0}
  .foot-bottom{flex-direction:column;gap:8px}
  .pad{padding:22px 20px}
}
@media screen and (max-width:520px){
  .container{padding:0 16px}
  .nav-wrap{height:64px;gap:12px}
  .brand-name{font-size:13.6px}
  .brand-sub{font-size:9.6px;letter-spacing:1.1px}
  .btn-login{font-size:12.6px;padding:8px 10px}
  .btn-signup{font-size:12.6px;padding:9px 13px}
  .nav-toggle{width:40px;height:40px}
  .hero h1{font-size:23.5px}
  .hero-cta .btn{width:100%}
  .trust-row span{font-size:11.8px;padding:6px 11px}
  .stat-grid{grid-template-columns:1fr}
  .hero-panel{padding:22px 18px}
  .foot-grid{grid-template-columns:1fr;gap:28px}
  .fab-support{padding:11px 16px;font-size:12.6px;bottom:86px;left:12px}
  table.reward thead th,table.reward tbody td{padding:12px 12px;font-size:13.2px}
  .section-head h2{font-size:22px}
}

/* roulang page: category2 */
/* ===== HỆ THỐNG THIẾT KẾ DÙNG CHUNG ===== */
:root{
  --bg:#04070F;
  --bg-deep:#03060D;
  --bg-soft:#071229;
  --panel:rgba(12,24,48,.66);
  --panel-2:rgba(8,18,41,.55);
  --line:rgba(56,189,248,.18);
  --line-mid:rgba(56,189,248,.32);
  --blue:#2563EB;
  --cyan:#38BDF8;
  --holo:#60A5FA;
  --pink:#F43F5E;
  --lime:#A3E635;
  --text:#F8FAFC;
  --muted:#94A3B8;
  --dim:#7C8AA0;
  --r-xl:26px;
  --r-lg:20px;
  --r-md:16px;
  --r-sm:10px;
  --shadow-soft:0 18px 44px rgba(0,0,0,.45);
  --shadow-glow:0 0 24px rgba(56,189,248,.45);
  --ease:.28s cubic-bezier(.4,0,.2,1);
}
*,*::before,*::after{box-sizing:border-box}
html{scroll-behavior:smooth;-webkit-text-size-adjust:100%}
body{
  margin:0;
  background:var(--bg);
  color:var(--text);
  font-family:'Be Vietnam Pro',-apple-system,BlinkMacSystemFont,'Segoe UI',Roboto,Arial,sans-serif;
  font-size:16px;
  line-height:1.65;
  -webkit-font-smoothing:antialiased;
  overflow-x:hidden;
}
img{max-width:100%;display:block;border:0;height:auto}
a{color:inherit;text-decoration:none;transition:color var(--ease)}
p{margin:0 0 14px;line-height:1.7;color:#C2CEDE}
ul,ol{margin:0;padding:0;list-style:none}
h1,h2,h3,h4{margin:0;font-weight:800;line-height:1.26;color:#fff;letter-spacing:-.3px}
h2{font-size:clamp(22px,3vw,34px)}
h3{font-size:18px}
h4{font-size:15px}
button,input{font-family:inherit;font-size:inherit}
:focus-visible{outline:2px solid var(--cyan);outline-offset:3px;border-radius:8px}
::selection{background:rgba(56,189,248,.35);color:#fff}
.container{width:100%;max-width:1200px;margin:0 auto;padding:0 20px}

/* ===== NÚT ===== */
.btn{
  display:inline-flex;align-items:center;justify-content:center;gap:9px;
  padding:13px 24px;border-radius:999px;font-weight:700;font-size:15px;
  border:1px solid transparent;cursor:pointer;white-space:nowrap;
  transition:transform var(--ease),box-shadow var(--ease),background var(--ease),color var(--ease),border-color var(--ease);
}
.btn-primary{background:linear-gradient(135deg,#2563EB,#38BDF8);color:#03121F;box-shadow:0 0 22px rgba(56,189,248,.45)}
.btn-primary:hover{transform:translateY(-2px);box-shadow:0 0 36px rgba(56,189,248,.75);color:#03121F}
.btn-primary:active{transform:translateY(0) scale(.98)}
.btn-ghost{background:rgba(148,163,184,.08);color:#E2E8F0;border-color:rgba(148,163,184,.32)}
.btn-ghost:hover{border-color:var(--cyan);color:#fff;background:rgba(56,189,248,.14);transform:translateY(-2px)}
.btn-sm{padding:10px 18px;font-size:13.5px}
.btn-block{width:100%}

/* ===== HEADER / NAV ===== */
.site-header{
  position:fixed;top:0;left:0;right:0;z-index:100;
  background:rgba(4,7,15,.84);
  -webkit-backdrop-filter:blur(16px);backdrop-filter:blur(16px);
  border-bottom:1px solid rgba(56,189,248,.14);
}
.nav-wrap{display:flex;align-items:center;gap:20px;height:70px}
.brand{display:flex;align-items:center;gap:11px;flex-shrink:0}
.brand-mark{
  width:40px;height:40px;border-radius:13px;flex-shrink:0;
  background:linear-gradient(135deg,#2563EB,#38BDF8);
  display:grid;place-items:center;font-size:19px;color:#03121F;
  box-shadow:0 0 18px rgba(56,189,248,.5);
}
.brand-text{display:flex;flex-direction:column;line-height:1.15}
.brand-name{font-size:15px;font-weight:800;letter-spacing:.2px;color:#fff}
.brand-sub{font-size:10.5px;color:var(--dim);letter-spacing:1.6px;text-transform:uppercase}
.main-nav{margin-left:auto}
.main-nav ul{display:flex;align-items:center;gap:4px}
.main-nav a{display:block;padding:9px 15px;border-radius:999px;font-size:14.5px;font-weight:500;color:var(--muted)}
.main-nav a:hover{color:#fff;background:rgba(56,189,248,.1)}
.main-nav a.active{color:#fff;background:rgba(37,99,235,.24);box-shadow:inset 0 0 0 1px rgba(96,165,250,.45)}
.nav-actions{display:flex;align-items:center;gap:10px;flex-shrink:0}
.btn-login{font-size:14px;font-weight:600;color:var(--cyan);padding:9px 12px;border-radius:999px;border:1px solid rgba(56,189,248,.3)}
.btn-login:hover{color:#fff;border-color:var(--cyan);background:rgba(56,189,248,.12)}
.btn-signup{font-size:14px;font-weight:700;color:#03121F;padding:10px 18px;border-radius:999px;background:linear-gradient(135deg,#2563EB,#38BDF8);box-shadow:0 0 16px rgba(56,189,248,.42)}
.btn-signup:hover{transform:translateY(-1px);box-shadow:0 0 26px rgba(56,189,248,.7);color:#03121F}
.nav-toggle{
  display:none;width:44px;height:44px;border-radius:12px;cursor:pointer;
  background:rgba(148,163,184,.1);border:1px solid rgba(148,163,184,.28);
  color:#fff;align-items:center;justify-content:center;
}
.nav-toggle:hover{border-color:var(--cyan);color:var(--cyan)}
.mobile-drawer{display:none;border-top:1px solid rgba(56,189,248,.14);background:rgba(5,10,22,.97);padding:12px 20px 20px}
.mobile-drawer.open{display:block}
.mobile-drawer a{display:block;padding:13px 14px;border-radius:12px;color:var(--muted);font-weight:600;font-size:15px}
.mobile-drawer a.active{color:#fff;background:rgba(37,99,235,.22)}
.mobile-drawer a:hover{color:#fff;background:rgba(56,189,248,.1)}

/* ===== BỐ CỤC CHUNG ===== */
main{display:block}
.section{padding:80px 0;position:relative}
.section-tight{padding:64px 0}
.surface{background:linear-gradient(180deg,var(--bg-soft),var(--bg-deep));border-top:1px solid rgba(56,189,248,.1);border-bottom:1px solid rgba(56,189,248,.1)}
.section-head{max-width:820px}
.section-head h2{margin-bottom:14px}
.section-lead{font-size:16px;color:#B9C6D8;max-width:780px;margin:0}
.eyebrow{
  display:inline-flex;align-items:center;gap:9px;
  padding:8px 16px;border-radius:999px;font-size:12.5px;font-weight:700;
  letter-spacing:1.2px;text-transform:uppercase;color:#BAE6FD;
  background:rgba(37,99,235,.18);border:1px solid rgba(96,165,250,.36);
  -webkit-backdrop-filter:blur(8px);backdrop-filter:blur(8px);
}
.split{display:grid;grid-template-columns:minmax(0,.86fr) minmax(0,1.14fr);gap:48px;align-items:start}
.divider{height:1px;background:linear-gradient(90deg,rgba(56,189,248,.4),rgba(56,189,248,0));margin:46px 0}

/* ===== HERO ===== */
.hero{position:relative;padding:132px 0 76px;overflow:hidden}
.hero-bg{position:absolute;inset:0;background:url('/assets/images/b729deb6f2d2dad6.jpg') center/cover no-repeat}
.hero-bg::after{content:'';position:absolute;inset:0;background:linear-gradient(180deg,rgba(4,7,15,.84) 0%,rgba(4,7,15,.9) 46%,var(--bg) 100%)}
.hero-glow{position:absolute;width:620px;height:620px;border-radius:50%;top:-220px;right:-160px;pointer-events:none;background:radial-gradient(circle,rgba(56,189,248,.28),rgba(56,189,248,0) 68%)}
.hero .container{position:relative;z-index:2}
.hero-grid{display:grid;grid-template-columns:minmax(0,1.1fr) minmax(0,.9fr);gap:44px;align-items:start}
.hero h1{margin-top:22px;font-size:clamp(27px,4.2vw,50px);line-height:1.2;font-weight:800;letter-spacing:-.8px}
.hero h1 em{font-style:normal;background:linear-gradient(120deg,#38BDF8,#A3E635);-webkit-background-clip:text;background-clip:text;color:transparent;-webkit-text-fill-color:transparent}
.hero-lead{margin-top:20px;max-width:700px;font-size:16.5px;line-height:1.75;color:#CBD5E1}
.chip-row{display:flex;flex-wrap:wrap;gap:10px;margin-top:24px}
.chip{
  display:inline-flex;align-items:center;gap:8px;padding:9px 15px;border-radius:999px;
  font-size:13px;font-weight:600;color:#DBEAFE;
  background:rgba(12,24,48,.66);border:1px solid var(--line);
  -webkit-backdrop-filter:blur(8px);backdrop-filter:blur(8px);
}
.chip i{color:var(--cyan);font-size:12px}
.hero-cta{display:flex;flex-wrap:wrap;gap:14px;margin-top:30px}
.trust-row{margin-top:26px;display:flex;flex-wrap:wrap;gap:10px;align-items:center;font-size:12.5px;color:var(--muted)}
.trust-row span{padding:7px 13px;border-radius:999px;background:rgba(148,163,184,.08);border:1px solid rgba(148,163,184,.18)}
.trust-row span.age{color:#FDA4AF;border-color:rgba(244,63,94,.35);background:rgba(244,63,94,.1)}
.hero-panel{
  background:var(--panel);border:1px solid var(--line);border-radius:var(--r-xl);
  padding:26px 24px;box-shadow:var(--shadow-soft);
  -webkit-backdrop-filter:blur(14px);backdrop-filter:blur(14px);
}
.hero-panel h2{font-size:19px;margin-bottom:6px}
.hero-panel .panel-note{font-size:13.5px;color:var(--muted);margin:0 0 18px}
.mini-stats{display:grid;grid-template-columns:repeat(3,1fr);gap:12px;margin-bottom:20px}
.mini-stat{background:rgba(4,7,15,.6);border:1px solid var(--line);border-radius:var(--r-md);padding:14px 12px;text-align:center}
.mini-stat b{display:block;font-size:21px;font-weight:800;color:var(--cyan)}
.mini-stat span{font-size:11.5px;color:var(--dim);letter-spacing:.4px}
.quick-list{display:grid;gap:9px}
.quick-list a{
  display:flex;align-items:center;justify-content:space-between;gap:12px;
  padding:13px 16px;border-radius:var(--r-md);font-size:14.5px;font-weight:600;color:#E2E8F0;
  background:rgba(8,18,41,.6);border:1px solid var(--line);
  transition:border-color var(--ease),transform var(--ease),color var(--ease);
}
.quick-list a i{color:var(--cyan);font-size:12px}
.quick-list a:hover{border-color:var(--line-mid);transform:translateX(4px);color:#fff}

/* ===== DANH SÁCH NỖI ĐAU ===== */
.pain-list{display:grid;gap:18px;counter-reset:pain}
.pain-item{
  display:grid;grid-template-columns:52px 1fr;gap:18px;align-items:start;
  padding:22px 24px;border-radius:var(--r-lg);
  background:var(--panel-2);border:1px solid var(--line);
  transition:border-color var(--ease),transform var(--ease);
}
.pain-item:hover{border-color:var(--line-mid);transform:translateY(-3px)}
.pain-item::before{
  counter-increment:pain;content:counter(pain,decimal-leading-zero);
  font-size:15px;font-weight:800;color:#03121F;width:40px;height:40px;border-radius:12px;
  display:grid;place-items:center;background:linear-gradient(135deg,#38BDF8,#60A5FA);
}
.pain-item h3{font-size:16.5px;margin-bottom:6px}
.pain-item p{margin:0;font-size:14.5px;color:#A9B8CC}

/* ===== THẺ GIẢI PHÁP ===== */
.card-grid{display:grid;grid-template-columns:repeat(4,minmax(0,1fr));gap:22px;margin-top:44px}
.glass-card{
  background:var(--panel);border:1px solid var(--line);border-radius:var(--r-lg);
  overflow:hidden;
  transition:transform var(--ease),border-color var(--ease),box-shadow var(--ease);
}
.glass-card:hover{transform:translateY(-5px);border-color:var(--line-mid);box-shadow:var(--shadow-soft)}
.card-media{position:relative;aspect-ratio:16/10;overflow:hidden}
.card-media img{width:100%;height:100%;object-fit:cover;transition:transform .55s cubic-bezier(.4,0,.2,1)}
.glass-card:hover .card-media img{transform:scale(1.06)}
.card-media::after{content:'';position:absolute;inset:0;background:linear-gradient(180deg,rgba(4,7,15,0) 30%,rgba(4,7,15,.72))}
.card-body{padding:20px 20px 24px}
.card-body h3{margin-bottom:9px;font-size:17px}
.card-body p{margin:0;font-size:14.3px;color:#A9B8CC}
.tag{
  display:inline-block;font-size:11.5px;letter-spacing:1px;text-transform:uppercase;
  color:#BAE6FD;background:rgba(37,99,235,.2);border:1px solid rgba(96,165,250,.3);
  padding:5px 11px;border-radius:999px;margin-bottom:12px;
}

/* ===== BỐN BƯỚC ===== */
.steps{display:grid;grid-template-columns:repeat(2,minmax(0,1fr));gap:26px;margin-top:44px}
.step{position:relative;padding:6px 0 6px 26px;border-left:2px solid rgba(56,189,248,.32)}
.step-num{font-size:28px;font-weight:800;color:var(--cyan);line-height:1;margin-bottom:10px;display:block}
.step h3{font-size:17px;margin-bottom:8px}
.step p{margin:0;font-size:14.6px;color:#A9B8CC}
.step:hover{border-left-color:var(--cyan)}

/* ===== DẢI SỐ LIỆU ===== */
.stat-band{position:relative;padding:78px 0;background:url('/assets/images/9165988ceabf4a90.jpg') center/cover no-repeat}
.stat-band::before{content:'';position:absolute;inset:0;background:linear-gradient(160deg,rgba(4,7,15,.9),rgba(7,18,41,.94))}
.stat-band .container{position:relative;z-index:2}
.stat-grid{display:grid;grid-template-columns:repeat(4,minmax(0,1fr));gap:20px;margin-top:40px}
.stat{background:rgba(4,7,15,.62);border:1px solid var(--line);border-radius:var(--r-lg);padding:24px 22px}
.stat b{display:block;font-size:clamp(26px,3.4vw,38px);font-weight:800;background:linear-gradient(120deg,#38BDF8,#A3E635);-webkit-background-clip:text;background-clip:text;color:transparent;-webkit-text-fill-color:transparent}
.stat span{display:block;font-size:13.6px;color:#B9C6D8;margin-top:6px}
.compare{display:grid;gap:18px;margin-top:44px;max-width:900px}
.compare-row{display:grid;grid-template-columns:170px minmax(0,1fr) 92px;gap:16px;align-items:center}
.compare-row .label{font-size:13.6px;color:#C2CEDE}
.bar{height:10px;border-radius:999px;background:rgba(148,163,184,.14);overflow:hidden}
.bar-fill{height:100%;border-radius:999px;background:linear-gradient(90deg,#2563EB,#38BDF8);box-shadow:0 0 14px rgba(56,189,248,.4)}
.bar-fill.low{background:linear-gradient(90deg,rgba(244,63,94,.75),rgba(244,63,94,.4));box-shadow:none}
.compare-row .value{font-size:13.4px;font-weight:700;color:#E2E8F0;text-align:right}

/* ===== ĐÁNH GIÁ ===== */
.quote-grid{display:grid;grid-template-columns:repeat(3,minmax(0,1fr));gap:22px;margin-top:44px}
.quote{background:var(--panel-2);border:1px solid var(--line);border-radius:var(--r-lg);padding:24px;transition:border-color var(--ease),transform var(--ease)}
.quote:hover{border-color:var(--line-mid);transform:translateY(-4px)}
.quote p{font-size:14.8px;color:#D6E2F0;line-height:1.7}
.quote-meta{display:flex;align-items:center;gap:12px;font-size:13.4px;color:var(--muted);margin-top:6px}
.quote-avatar{width:38px;height:38px;border-radius:50%;display:grid;place-items:center;flex-shrink:0;background:linear-gradient(135deg,#2563EB,#38BDF8);color:#03121F;font-weight:800;font-size:15px}

/* ===== ĐỐI TƯỢNG PHÙ HỢP ===== */
.aud-list{display:grid;gap:16px}
.aud-item{display:grid;grid-template-columns:46px minmax(0,1fr);gap:16px;padding:18px 20px;border:1px solid var(--line);border-radius:var(--r-md);background:rgba(8,18,41,.5);transition:border-color var(--ease),background var(--ease)}
.aud-item:hover{border-color:var(--line-mid);background:rgba(12,24,48,.66)}
.aud-icon{width:46px;height:46px;border-radius:14px;display:grid;place-items:center;background:rgba(37,99,235,.18);border:1px solid rgba(96,165,250,.3);color:var(--cyan);font-size:16px}
.aud-item h3{font-size:16px;margin-bottom:5px}
.aud-item p{margin:0;font-size:14.3px;color:#A9B8CC}

/* ===== TIN TỨC ===== */
.post-grid{display:grid;grid-template-columns:repeat(3,minmax(0,1fr));gap:22px;margin-top:40px}
.post-card{background:var(--panel-2);border:1px solid var(--line);border-radius:var(--r-lg);transition:border-color var(--ease),transform var(--ease),box-shadow var(--ease)}
.post-card:hover{border-color:var(--line-mid);transform:translateY(-4px);box-shadow:var(--shadow-soft)}
.post-link{display:block;padding:22px;height:100%}
.post-title{font-size:16.6px;line-height:1.45;margin-bottom:10px;color:#fff;transition:color var(--ease)}
.post-card:hover .post-title{color:var(--cyan)}
.post-summary{font-size:14.2px;color:#A9B8CC;margin-bottom:14px}
.post-date{font-size:12.4px;color:var(--dim);letter-spacing:.3px}
.empty-note{margin-top:32px;padding:20px 22px;border:1px dashed var(--line-mid);border-radius:var(--r-md);color:var(--muted);font-size:14.6px}

/* ===== FAQ ===== */
.faq{max-width:940px;display:grid;gap:14px;margin-top:40px}
.faq-item{border:1px solid var(--line);border-radius:var(--r-md);background:rgba(8,18,41,.55);overflow:hidden}
.faq-item summary{
  list-style:none;cursor:pointer;padding:18px 22px;font-weight:600;font-size:15.8px;color:#fff;
  display:flex;align-items:center;justify-content:space-between;gap:16px;
}
.faq-item summary::-webkit-details-marker{display:none}
.faq-item summary::after{content:'\2b';font-family:'Font Awesome 6 Free',Arial,sans-serif;font-weight:900;font-size:12px;color:var(--cyan);flex-shrink:0}
.faq-item[open] summary::after{content:'\f068'}
.faq-item summary:hover{color:var(--cyan)}
.faq-item p{padding:0 22px 20px;margin:0;font-size:14.6px;color:#A9B8CC}

/* ===== CTA ===== */
.cta-band{position:relative;padding:78px 0;background:url('/assets/images/34a25a03206f5444.jpg') center/cover no-repeat}
.cta-band::before{content:'';position:absolute;inset:0;background:linear-gradient(115deg,rgba(4,7,15,.95),rgba(7,18,41,.88))}
.cta-inner{position:relative;z-index:2;display:grid;grid-template-columns:minmax(0,1.1fr) minmax(0,.9fr);gap:40px;align-items:center}
.code-box{display:inline-flex;align-items:center;gap:12px;padding:12px 20px;border-radius:var(--r-md);border:1px dashed rgba(163,230,53,.5);background:rgba(163,230,53,.08);color:#D9F99D;font-weight:800;letter-spacing:3px;font-size:17px;margin-top:18px}
.cta-form{display:flex;gap:12px;margin-top:22px;flex-wrap:wrap}
.cta-form input{
  flex:1 1 220px;min-width:0;background:rgba(4,7,15,.72);border:1px solid var(--line-mid);
  border-radius:999px;padding:14px 20px;color:#fff;
}
.cta-form input::placeholder{color:#7C8AA0}
.cta-form input:focus{outline:none;border-color:var(--cyan);box-shadow:0 0 0 3px rgba(56,189,248,.18)}
.cta-note{font-size:13px;color:var(--dim);margin-top:14px}
.cta-side{background:var(--panel);border:1px solid var(--line);border-radius:var(--r-lg);padding:24px;box-shadow:var(--shadow-soft)}
.cta-side h3{font-size:16.5px;margin-bottom:14px}
.cta-side ul{display:grid;gap:12px}
.cta-side li{display:flex;gap:10px;font-size:14.4px;color:#C2CEDE}
.cta-side li i{color:var(--lime);font-size:13px;margin-top:5px}

/* ===== FAB ===== */
.fab{
  position:fixed;left:16px;bottom:96px;z-index:50;
  display:inline-flex;align-items:center;gap:10px;
  padding:12px 18px;border-radius:999px;
  background:rgba(7,7,13,.82);
  -webkit-backdrop-filter:blur(12px);backdrop-filter:blur(12px);
  border:1px solid rgba(56,189,248,.55);
  color:#E2F4FF;font-size:13.4px;font-weight:600;
  box-shadow:0 0 20px rgba(56,189,248,.45);
  opacity:.86;
  transition:transform var(--ease),box-shadow var(--ease),opacity var(--ease),border-color var(--ease);
}
.fab:hover{opacity:1;transform:translateY(-3px);border-color:#A3E635;box-shadow:0 0 32px rgba(56,189,248,.75);color:#fff}
.fab:active{transform:translateY(0) scale(.97)}
.fab-icon{color:var(--cyan);font-size:15px;line-height:1}
.fab-dot{position:absolute;top:7px;right:11px;width:8px;height:8px;border-radius:50%;background:var(--pink);box-shadow:0 0 10px var(--pink);animation:pulseDot 1.7s infinite}
@keyframes pulseDot{0%,100%{transform:scale(1);opacity:1}50%{transform:scale(1.35);opacity:.6}}

/* ===== FOOTER ===== */
.site-footer{background:var(--bg-deep);border-top:1px solid rgba(56,189,248,.14);padding:56px 0 0;margin-top:0}
.foot-grid{display:grid;grid-template-columns:1.6fr 1fr 1fr 1fr;gap:34px}
.foot-brand{display:flex;align-items:center;gap:11px;margin-bottom:16px}
.foot-col h4{font-size:13.4px;text-transform:uppercase;letter-spacing:1.2px;color:#fff;margin-bottom:16px}
.foot-col a{display:block;font-size:14.4px;color:var(--muted);padding:6px 0;transition:color var(--ease),padding-left var(--ease)}
.foot-col a:hover{color:var(--cyan);padding-left:5px}
.foot-col p{font-size:14.4px;color:var(--muted);max-width:430px}
.pay-row{display:flex;flex-wrap:wrap;gap:8px;margin-top:16px}
.pay-row span{font-size:12px;padding:6px 12px;border-radius:999px;background:rgba(148,163,184,.08);border:1px solid rgba(148,163,184,.18);color:#CBD5E1}
.foot-bottom{margin-top:40px;border-top:1px solid rgba(148,163,184,.14);padding:20px 0;display:flex;justify-content:space-between;gap:14px;flex-wrap:wrap;font-size:13px;color:var(--dim)}
.foot-bottom strong{color:#E2E8F0}

/* ===== RESPONSIVE ===== */
@media (max-width:1024px){
  .main-nav{display:none}
  .nav-toggle{display:inline-flex}
  .hero{padding-top:120px}
  .hero-grid{grid-template-columns:1fr;gap:32px}
  .card-grid{grid-template-columns:repeat(2,minmax(0,1fr))}
  .stat-grid{grid-template-columns:repeat(2,minmax(0,1fr))}
  .quote-grid{grid-template-columns:repeat(2,minmax(0,1fr))}
  .post-grid{grid-template-columns:repeat(2,minmax(0,1fr))}
  .cta-inner{grid-template-columns:1fr}
  .foot-grid{grid-template-columns:1fr 1fr}
}
@media (max-width:768px){
  .section{padding:60px 0}
  .split{grid-template-columns:1fr;gap:28px}
  .steps{grid-template-columns:1fr}
  .hero-cta .btn{flex:1 1 100%}
}
@media (max-width:520px){
  .nav-wrap{height:64px;gap:10px}
  .brand-text{display:none}
  .btn-login{padding:8px 12px;font-size:12.6px}
  .btn-signup{padding:9px 13px;font-size:12.6px}
  .nav-toggle{width:40px;height:40px}
  .hero{padding:100px 0 60px}
  .hero h1{font-size:26px}
  .card-grid,.stat-grid,.quote-grid,.post-grid,.foot-grid{grid-template-columns:1fr}
  .compare-row{grid-template-columns:1fr;gap:8px}
  .compare-row .value{text-align:left}
  .mini-stats{grid-template-columns:1fr 1fr 1fr}
  .pain-item{grid-template-columns:40px 1fr;gap:14px;padding:18px}
  .aud-item{grid-template-columns:40px 1fr;gap:14px;padding:16px}
  .fab{bottom:84px;padding:11px 14px}
  .fab-text{display:none}
  .fab-icon{font-size:17px}
}