/* roulang page: index */
:root{
  --bg-0:#030712;
  --bg-1:#061024;
  --bg-2:#0a1830;
  --glass:rgba(255,255,255,.045);
  --glass-2:rgba(255,255,255,.085);
  --stroke:rgba(56,189,248,.16);
  --stroke-2:rgba(56,189,248,.45);
  --blue:#2563EB;
  --cyan:#38BDF8;
  --aqua:#22D3EE;
  --gold:#FBBF24;
  --rose:#F43F5E;
  --text:#F8FAFC;
  --text-2:#AFC0D6;
  --text-3:#7B8CA6;
  --r-sm:12px;
  --r-md:18px;
  --r-lg:26px;
  --sh-card:0 22px 55px -30px rgba(2,8,23,.95);
  --sh-glow:0 0 0 1px rgba(56,189,248,.35),0 0 34px -8px rgba(37,99,235,.6);
  --ease:cubic-bezier(.22,.61,.36,1);
}
*,*::before,*::after{box-sizing:border-box}
html{-webkit-text-size-adjust:100%;scroll-behavior:smooth}
body{
  margin:0;
  font-family:'Be Vietnam Pro',-apple-system,BlinkMacSystemFont,'Segoe UI',Roboto,'Helvetica Neue',Arial,sans-serif;
  background:var(--bg-0);
  color:var(--text);
  font-size:16px;
  line-height:1.65;
  -webkit-font-smoothing:antialiased;
  overflow-x:hidden;
}
body::before{
  content:"";
  position:fixed;
  inset:0;
  z-index:-2;
  background:
    radial-gradient(900px 520px at 12% -8%, rgba(37,99,235,.30), transparent 62%),
    radial-gradient(780px 480px at 92% 6%, rgba(34,211,238,.18), transparent 60%),
    linear-gradient(180deg,#030712 0%,#061024 42%,#030712 100%);
}
body::after{
  content:"";
  position:fixed;
  inset:0;
  z-index:-1;
  background-image:
    linear-gradient(rgba(56,189,248,.055) 1px, transparent 1px),
    linear-gradient(90deg, rgba(56,189,248,.055) 1px, transparent 1px);
  background-size:64px 64px;
  mask-image:radial-gradient(circle at 50% 22%, rgba(0,0,0,.85), transparent 78%);
  -webkit-mask-image:radial-gradient(circle at 50% 22%, rgba(0,0,0,.85), transparent 78%);
  pointer-events:none;
}
img{max-width:100%;height:auto;display:block}
a{color:var(--cyan);text-decoration:none;transition:color .22s var(--ease)}
a:hover{color:#7dd3fc}
h1,h2,h3,h4{margin:0;font-weight:700;color:var(--text);letter-spacing:-.02em}
p{margin:0}
ul{margin:0;padding:0;list-style:none}
button{font-family:inherit}
:focus-visible{outline:2px solid var(--aqua);outline-offset:3px;border-radius:8px}
.grid-container{max-width:1220px}
.section{padding:92px 0;position:relative}
.section--tight{padding:64px 0}
.section--alt{background:linear-gradient(180deg,rgba(10,24,48,.72),rgba(3,7,18,.15))}
.section--soft{background:linear-gradient(180deg,rgba(6,16,36,.5),rgba(3,7,18,.05))}
.section-head{max-width:780px;margin:0 0 44px}
.section-head--wide{max-width:900px}
.section-head h2{font-size:clamp(1.55rem,2.5vw,2.3rem);line-height:1.28;margin:18px 0 14px}
.section-head p{color:var(--text-2);font-size:1.02rem}
.eyebrow{
  display:inline-flex;align-items:center;gap:9px;
  font-size:.72rem;font-weight:600;letter-spacing:.16em;text-transform:uppercase;
  color:var(--cyan);background:var(--glass);border:1px solid var(--stroke);
  padding:7px 15px;border-radius:999px;
}
.eyebrow i{font-size:.75rem}
.eyebrow--gold{color:var(--gold);border-color:rgba(251,191,36,.32);background:rgba(251,191,36,.08)}

/* ===== HEADER ===== */
.site-header{
  position:sticky;top:0;z-index:900;
  background:rgba(4,11,26,.82);
  backdrop-filter:blur(16px);-webkit-backdrop-filter:blur(16px);
  border-bottom:1px solid rgba(56,189,248,.14);
}
.nav-wrap{display:flex;align-items:center;justify-content:space-between;gap:18px;min-height:74px;position:relative}
.brand{display:flex;align-items:center;gap:12px;text-decoration:none;flex-shrink:0}
.brand-mark{
  width:40px;height:40px;border-radius:13px;display:grid;place-items:center;flex-shrink:0;
  background:linear-gradient(135deg,var(--blue),var(--aqua));
  color:#04131f;font-size:1.05rem;font-weight:800;
  box-shadow:0 0 22px -4px rgba(34,211,238,.75);
}
.brand-text{font-size:.94rem;font-weight:700;line-height:1.15;color:var(--text);max-width:290px}
.brand-text em{display:block;font-style:normal;font-size:.7rem;font-weight:500;letter-spacing:.09em;text-transform:uppercase;color:var(--cyan)}
.main-nav{display:flex;align-items:center;gap:6px}
.main-nav a{
  display:block;padding:9px 14px;border-radius:999px;font-size:.87rem;font-weight:500;
  color:var(--text-2);white-space:nowrap;border:1px solid transparent;transition:all .22s var(--ease);
}
.main-nav a:hover{color:var(--text);background:rgba(56,189,248,.1);border-color:var(--stroke)}
.main-nav a.is-active{
  color:#04131f;font-weight:700;
  background:linear-gradient(135deg,var(--aqua),var(--cyan));
  box-shadow:0 0 20px -6px rgba(34,211,238,.85);
}
.nav-toggle{
  display:none;align-items:center;gap:8px;
  background:var(--glass);border:1px solid var(--stroke);color:var(--text);
  padding:9px 14px;border-radius:12px;font-size:.83rem;font-weight:600;cursor:pointer;
  transition:all .22s var(--ease);
}
.nav-toggle:hover{border-color:var(--stroke-2);background:rgba(56,189,248,.12)}

/* ===== BUTTONS ===== */
.btn{
  display:inline-flex;align-items:center;justify-content:center;gap:10px;
  padding:15px 28px;border-radius:999px;font-size:.94rem;font-weight:600;line-height:1;
  text-decoration:none;border:1px solid transparent;cursor:pointer;
  transition:transform .22s var(--ease),box-shadow .22s var(--ease),background .22s var(--ease),border-color .22s var(--ease);
}
.btn-primary{
  background:linear-gradient(135deg,var(--blue),var(--aqua));
  color:#031422;font-weight:700;
  box-shadow:0 12px 34px -12px rgba(37,99,235,.95);
}
.btn-primary:hover{transform:translateY(-3px);color:#031422;box-shadow:0 18px 44px -14px rgba(34,211,238,.95)}
.btn-primary:active{transform:translateY(-1px)}
.btn-ghost{
  background:var(--glass);border-color:var(--stroke);color:var(--text);
  backdrop-filter:blur(10px);
}
.btn-ghost:hover{border-color:var(--stroke-2);background:rgba(56,189,248,.12);color:var(--text);transform:translateY(-3px)}
.btn-sm{padding:11px 20px;font-size:.85rem}

/* ===== HERO ===== */
.hero{position:relative;overflow:hidden;padding:96px 0 84px;border-bottom:1px solid rgba(56,189,248,.12)}
.hero-bg{
  position:absolute;inset:0;background-size:cover;background-position:center;
  opacity:.36;transform:scale(1.04);
}
.hero-veil{
  position:absolute;inset:0;
  background:
    linear-gradient(100deg,rgba(3,7,18,.96) 6%,rgba(6,16,36,.86) 46%,rgba(3,7,18,.72) 100%),
    radial-gradient(620px 420px at 78% 22%, rgba(37,99,235,.42), transparent 68%);
}
.hero-inner{position:relative;z-index:2}
.hero-copy{padding-right:8px}
.hero-tag{
  display:inline-flex;align-items:center;gap:9px;
  background:rgba(244,63,94,.14);border:1px solid rgba(244,63,94,.42);
  color:#fda4b8;font-size:.72rem;font-weight:700;letter-spacing:.14em;text-transform:uppercase;
  padding:8px 16px;border-radius:999px;margin-bottom:20px;
}
.hero-tag i{color:var(--rose)}
.hero h1{
  font-size:clamp(1.85rem,3.7vw,3.05rem);
  line-height:1.18;font-weight:800;margin-bottom:20px;
  background:linear-gradient(120deg,#ffffff 12%,#9fd8ff 58%,#38BDF8 100%);
  -webkit-background-clip:text;background-clip:text;color:transparent;
}
.hero-lead{color:var(--text-2);font-size:1.04rem;max-width:640px;margin-bottom:26px}
.hero-actions{display:flex;flex-wrap:wrap;gap:14px;margin-bottom:26px}
.hero-points{display:flex;flex-wrap:wrap;gap:10px}
.hero-points li{
  display:inline-flex;align-items:center;gap:8px;
  font-size:.82rem;color:var(--text-2);
  background:var(--glass);border:1px solid var(--stroke);
  padding:8px 15px;border-radius:999px;
}
.hero-points li i{color:var(--aqua);font-size:.78rem}

.hero-panel{
  position:relative;
  background:linear-gradient(160deg,rgba(255,255,255,.085),rgba(255,255,255,.025));
  border:1px solid var(--stroke-2);border-radius:var(--r-lg);
  backdrop-filter:blur(18px);-webkit-backdrop-filter:blur(18px);
  padding:28px;box-shadow:var(--sh-card);
}
.hero-panel::after{
  content:"HOT";
  position:absolute;top:-14px;right:26px;
  background:linear-gradient(135deg,#F43F5E,#FBBF24);
  color:#2b0409;font-size:.68rem;font-weight:800;letter-spacing:.1em;
  padding:6px 13px;border-radius:999px;transform:rotate(6deg);
  box-shadow:0 10px 24px -10px rgba(244,63,94,.95);
}
.panel-title{font-size:1.06rem;font-weight:700;margin-bottom:6px}
.panel-sub{font-size:.83rem;color:var(--text-3);margin-bottom:20px}
.stake-list li{
  display:flex;align-items:flex-start;gap:13px;
  padding:13px 0;border-bottom:1px dashed rgba(56,189,248,.18);
}
.stake-list li:last-child{border-bottom:0;padding-bottom:0}
.stake-list .stake-key{
  flex-shrink:0;min-width:78px;
  font-size:.7rem;font-weight:700;letter-spacing:.08em;text-transform:uppercase;
  color:var(--aqua);padding-top:3px;
}
.stake-list .stake-val{font-size:.88rem;color:var(--text-2)}
.panel-timer{
  margin-top:22px;padding:14px 16px;border-radius:var(--r-sm);
  background:rgba(244,63,94,.1);border:1px solid rgba(244,63,94,.3);
  font-size:.83rem;color:#fbc9d4;display:flex;align-items:center;gap:10px;
}
.panel-timer i{color:var(--rose)}

/* ===== STATS ===== */
.stat-card{
  height:100%;
  background:var(--glass);border:1px solid var(--stroke);border-radius:var(--r-md);
  padding:24px 22px;backdrop-filter:blur(12px);
  transition:transform .28s var(--ease),border-color .28s var(--ease),box-shadow .28s var(--ease);
}
.stat-card:hover{transform:translateY(-5px);border-color:var(--stroke-2);box-shadow:var(--sh-glow)}
.stat-value{
  font-size:2.1rem;font-weight:800;line-height:1;letter-spacing:-.03em;
  background:linear-gradient(120deg,#ffffff,#38BDF8);
  -webkit-background-clip:text;background-clip:text;color:transparent;
}
.stat-label{font-size:.9rem;font-weight:600;margin:12px 0 6px}
.stat-note{font-size:.79rem;color:var(--text-3)}

/* ===== CARDS ===== */
.glass-card{
  height:100%;position:relative;
  background:var(--glass);border:1px solid var(--stroke);border-radius:var(--r-md);
  padding:26px;backdrop-filter:blur(14px);-webkit-backdrop-filter:blur(14px);
  transition:transform .28s var(--ease),border-color .28s var(--ease),box-shadow .28s var(--ease),background .28s var(--ease);
}
.glass-card:hover{transform:translateY(-6px);border-color:var(--stroke-2);background:var(--glass-2);box-shadow:var(--sh-glow)}
.card-icon{
  width:46px;height:46px;border-radius:14px;display:grid;place-items:center;
  background:linear-gradient(135deg,rgba(37,99,235,.28),rgba(34,211,238,.16));
  border:1px solid var(--stroke);color:var(--aqua);font-size:1.05rem;margin-bottom:18px;
}
.card-title{font-size:1.05rem;font-weight:700;margin-bottom:10px}
.card-text{font-size:.9rem;color:var(--text-2)}
.card-tag{
  position:absolute;top:-11px;left:24px;
  font-size:.65rem;font-weight:800;letter-spacing:.1em;text-transform:uppercase;
  padding:5px 12px;border-radius:999px;
  background:linear-gradient(135deg,var(--blue),var(--aqua));color:#031422;
}
.card-media{
  border-radius:var(--r-sm);overflow:hidden;margin-bottom:18px;
  border:1px solid var(--stroke);aspect-ratio:16/9;background:#0a1830;
}
.card-media img{width:100%;height:100%;object-fit:cover;transition:transform .4s var(--ease)}
.glass-card:hover .card-media img{transform:scale(1.05)}

/* ===== TACTIC DETAIL ===== */
.tactic-row{
  display:grid;grid-template-columns:minmax(0,320px) minmax(0,1fr);
  gap:36px;padding:34px 0;border-top:1px solid rgba(56,189,248,.14);
}
.tactic-row:first-of-type{border-top:0;padding-top:0}
.tactic-index{
  font-size:.72rem;font-weight:700;letter-spacing:.18em;text-transform:uppercase;
  color:var(--cyan);margin-bottom:12px;display:block;
}
.tactic-row h3{font-size:1.22rem;line-height:1.38;margin-bottom:10px}
.tactic-row .tactic-meta{font-size:.79rem;color:var(--text-3)}
.tactic-body p{color:var(--text-2);font-size:.95rem}
.tactic-body .tactic-list{margin-top:16px;display:grid;gap:10px}
.tactic-body .tactic-list li{
  display:flex;gap:10px;font-size:.88rem;color:var(--text-2);
}
.tactic-body .tactic-list i{color:var(--aqua);margin-top:6px;font-size:.6rem}

/* ===== SCENARIO ===== */
.scene-card{
  height:100%;border-radius:var(--r-md);padding:24px;
  background:linear-gradient(150deg,rgba(37,99,235,.14),rgba(255,255,255,.03));
  border:1px solid var(--stroke);
  transition:transform .28s var(--ease),border-color .28s var(--ease),box-shadow .28s var(--ease);
}
.scene-card:hover{transform:translateY(-5px);border-color:var(--stroke-2);box-shadow:var(--sh-glow)}
.scene-head{display:flex;align-items:center;justify-content:space-between;gap:12px;margin-bottom:14px}
.scene-name{font-size:.98rem;font-weight:700}
.scene-risk{
  font-size:.68rem;font-weight:700;letter-spacing:.08em;text-transform:uppercase;
  padding:4px 11px;border-radius:999px;
}
.risk-high{background:rgba(244,63,94,.16);color:#fda4b8;border:1px solid rgba(244,63,94,.4)}
.risk-mid{background:rgba(251,191,36,.14);color:#fcd34d;border:1px solid rgba(251,191,36,.36)}
.risk-low{background:rgba(34,211,238,.14);color:#a5f3fc;border:1px solid rgba(34,211,238,.36)}
.scene-card p{font-size:.87rem;color:var(--text-2)}

/* ===== REGION ===== */
.region-card{
  height:100%;padding:26px;border-radius:var(--r-md);
  background:var(--glass);border:1px solid var(--stroke);
  backdrop-filter:blur(12px);
  transition:transform .28s var(--ease),border-color .28s var(--ease),box-shadow .28s var(--ease);
}
.region-card:hover{transform:translateY(-5px);border-color:var(--stroke-2);box-shadow:var(--sh-glow)}
.region-card h3{font-size:1.02rem;margin-bottom:6px}
.region-card .region-sub{font-size:.76rem;color:var(--cyan);letter-spacing:.1em;text-transform:uppercase;font-weight:600;margin-bottom:12px;display:block}
.region-card p{font-size:.88rem;color:var(--text-2)}

/* ===== PROGRESS ===== */
.progress-item{padding:20px 0;border-bottom:1px dashed rgba(56,189,248,.18)}
.progress-item:last-child{border-bottom:0}
.progress-top{display:flex;align-items:baseline;justify-content:space-between;gap:16px;margin-bottom:9px}
.progress-name{font-size:.95rem;font-weight:600}
.progress-pct{font-size:.82rem;color:var(--aqua);font-weight:700}
.progress-track{height:8px;border-radius:999px;background:rgba(255,255,255,.07);overflow:hidden}
.progress-fill{height:100%;border-radius:999px;background:linear-gradient(90deg,var(--blue),var(--aqua));box-shadow:0 0 16px -2px rgba(34,211,238,.85)}
.progress-desc{font-size:.82rem;color:var(--text-3);margin-top:9px}

/* ===== COLLECTION ===== */
.collection-item{
  display:flex;align-items:center;gap:18px;padding:20px 22px;
  border-radius:var(--r-md);background:var(--glass);border:1px solid var(--stroke);
  transition:transform .26s var(--ease),border-color .26s var(--ease),background .26s var(--ease);
  margin-bottom:14px;
}
.collection-item:hover{transform:translateX(6px);border-color:var(--stroke-2);background:var(--glass-2)}
.collection-no{
  width:44px;height:44px;flex-shrink:0;border-radius:13px;display:grid;place-items:center;
  background:linear-gradient(135deg,rgba(37,99,235,.35),rgba(34,211,238,.18));
  border:1px solid var(--stroke);color:var(--aqua);font-weight:800;font-size:.9rem;
}
.collection-main{flex:1;min-width:0}
.collection-main h3{font-size:.98rem;margin-bottom:4px}
.collection-main p{font-size:.82rem;color:var(--text-3)}
.collection-count{font-size:.8rem;color:var(--cyan);font-weight:600;white-space:nowrap}

/* ===== TESTIMONIAL ===== */
.quote-card{
  height:100%;padding:26px;border-radius:var(--r-md);
  background:linear-gradient(160deg,rgba(255,255,255,.07),rgba(255,255,255,.02));
  border:1px solid var(--stroke);
  transition:transform .28s var(--ease),border-color .28s var(--ease);
}
.quote-card:hover{transform:translateY(-5px);border-color:var(--stroke-2)}
.quote-mark{font-size:1.4rem;color:var(--aqua);margin-bottom:14px}
.quote-text{font-size:.92rem;color:var(--text-2);margin-bottom:18px}
.quote-author{display:flex;align-items:center;gap:12px}
.quote-avatar{
  width:40px;height:40px;border-radius:50%;object-fit:cover;
  border:1px solid var(--stroke-2);
}
.quote-name{font-size:.88rem;font-weight:600}
.quote-role{font-size:.75rem;color:var(--text-3)}

/* ===== NEWS ===== */
.news-card{
  display:flex;flex-direction:column;height:100%;text-decoration:none;color:inherit;
  background:var(--glass);border:1px solid var(--stroke);border-radius:var(--r-md);
  overflow:hidden;
  transition:transform .28s var(--ease),border-color .28s var(--ease),box-shadow .28s var(--ease);
}
.news-card:hover{transform:translateY(-6px);border-color:var(--stroke-2);box-shadow:var(--sh-glow);color:inherit}
.news-thumb{aspect-ratio:16/9;overflow:hidden;background:#0a1830}
.news-thumb img{width:100%;height:100%;object-fit:cover;transition:transform .4s var(--ease)}
.news-card:hover .news-thumb img{transform:scale(1.06)}
.news-body{padding:20px;display:flex;flex-direction:column;flex:1}
.news-cat{
  display:inline-block;align-self:flex-start;
  font-size:.66rem;font-weight:700;letter-spacing:.1em;text-transform:uppercase;
  color:var(--aqua);background:rgba(34,211,238,.12);border:1px solid rgba(34,211,238,.3);
  padding:4px 11px;border-radius:999px;margin-bottom:12px;
}
.news-body h3{font-size:.98rem;line-height:1.42;margin-bottom:10px}
.news-body p{font-size:.84rem;color:var(--text-2);flex:1}
.news-date{font-size:.75rem;color:var(--text-3);margin-top:16px;display:flex;align-items:center;gap:7px}
.empty-note{
  padding:34px;border-radius:var(--r-md);border:1px dashed var(--stroke-2);
  color:var(--text-3);text-align:center;font-size:.9rem;background:var(--glass);
}

/* ===== TRUST ===== */
.trust-item{display:flex;gap:16px;padding:22px 0;border-bottom:1px dashed rgba(56,189,248,.16)}
.trust-item:last-child{border-bottom:0;padding-bottom:0}
.trust-icon{
  width:44px;height:44px;flex-shrink:0;border-radius:13px;display:grid;place-items:center;
  background:rgba(34,211,238,.12);border:1px solid var(--stroke);color:var(--aqua);
}
.trust-item h3{font-size:.96rem;margin-bottom:6px}
.trust-item p{font-size:.85rem;color:var(--text-2)}

/* ===== FAQ ===== */
.faq-item{
  border:1px solid var(--stroke);border-radius:var(--r-md);
  background:var(--glass);margin-bottom:14px;overflow:hidden;
  transition:border-color .25s var(--ease),background .25s var(--ease);
}
.faq-item[open]{border-color:var(--stroke-2);background:var(--glass-2)}
.faq-item summary{
  cursor:pointer;list-style:none;padding:20px 24px;
  font-size:.96rem;font-weight:600;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:.72rem;color:var(--aqua);transition:transform .25s var(--ease);flex-shrink:0;
}
.faq-item[open] summary::after{content:"\f068"}
.faq-body{padding:0 24px 22px;font-size:.88rem;color:var(--text-2)}

/* ===== FORM ===== */
.form-panel{
  border-radius:var(--r-lg);padding:34px;
  background:linear-gradient(155deg,rgba(37,99,235,.2),rgba(255,255,255,.03));
  border:1px solid var(--stroke-2);
  backdrop-filter:blur(16px);-webkit-backdrop-filter:blur(16px);
  box-shadow:var(--sh-card);
}
.field{margin-bottom:16px}
.field label{display:block;font-size:.79rem;font-weight:600;color:var(--text-2);margin-bottom:8px;letter-spacing:.02em}
.field input,.field select,.field textarea{
  width:100%;padding:14px 16px;border-radius:var(--r-sm);
  background:rgba(3,7,18,.6);border:1px solid var(--stroke);
  color:var(--text);font-size:.9rem;font-family:inherit;
  transition:border-color .22s var(--ease),box-shadow .22s var(--ease),background .22s var(--ease);
}
.field input::placeholder,.field textarea::placeholder{color:#5c6f88}
.field input:focus,.field select:focus,.field textarea:focus{
  outline:none;border-color:var(--stroke-2);background:rgba(3,7,18,.85);
  box-shadow:0 0 0 3px rgba(56,189,248,.16);
}
.field select option{background:#061024;color:var(--text)}
.form-note{font-size:.76rem;color:var(--text-3);margin-top:14px}
.form-success{
  display:none;margin-top:16px;padding:14px 16px;border-radius:var(--r-sm);
  background:rgba(34,211,238,.12);border:1px solid rgba(34,211,238,.35);
  color:#a5f3fc;font-size:.85rem;
}
.form-success.is-visible{display:block}
.contact-side li{display:flex;gap:13px;padding:15px 0;border-bottom:1px dashed rgba(56,189,248,.16);font-size:.88rem;color:var(--text-2)}
.contact-side li:last-child{border-bottom:0}
.contact-side i{color:var(--aqua);margin-top:5px;font-size:.85rem}

/* ===== FAB ===== */
.fab{
  position:fixed;left:16px;bottom:96px;z-index:950;
  display:inline-flex;align-items:center;gap:11px;
  padding:14px 20px;border-radius:999px;
  background:rgba(6,16,36,.85);
  border:1px solid transparent;
  background-image:linear-gradient(rgba(6,16,36,.88),rgba(6,16,36,.88)),linear-gradient(135deg,var(--aqua),var(--blue));
  background-origin:border-box;background-clip:padding-box,border-box;
  color:var(--text);font-size:.83rem;font-weight:600;text-decoration:none;
  backdrop-filter:blur(14px);-webkit-backdrop-filter:blur(14px);
  box-shadow:0 0 22px -4px rgba(6,182,212,.55);
  opacity:.85;
  animation:fabPulse 3.4s ease-in-out infinite;
  transition:transform .25s var(--ease),opacity .25s var(--ease),box-shadow .25s var(--ease);
}
.fab:hover{
  transform:scale(1.06);opacity:1;color:var(--text);
  box-shadow:0 0 34px -2px rgba(34,211,238,.85);
}
.fab:active{transform:scale(.96)}
.fab i{color:var(--aqua);font-size:1rem;animation:fabFlicker 2.6s ease-in-out infinite}
.fab::after{
  content:"";position:absolute;top:6px;right:8px;
  width:9px;height:9px;border-radius:50%;
  background:var(--rose);box-shadow:0 0 0 2px rgba(6,16,36,.9);
  animation:fabDot 1.6s ease-in-out infinite;
}
@keyframes fabPulse{0%,100%{box-shadow:0 0 20px -6px rgba(6,182,212,.5)}50%{box-shadow:0 0 32px 0 rgba(6,182,212,.75)}}
@keyframes fabFlicker{0%,100%{opacity:1}48%{opacity:1}52%{opacity:.55}56%{opacity:1}}
@keyframes fabDot{0%,100%{transform:scale(1);opacity:1}50%{transform:scale(1.35);opacity:.6}}

/* ===== FOOTER ===== */
.site-footer{
  border-top:1px solid rgba(56,189,248,.14);
  background:linear-gradient(180deg,rgba(6,16,36,.75),rgba(3,7,18,.98));
  padding:66px 0 30px;
}
.footer-brand{display:flex;align-items:center;gap:12px;margin-bottom:16px}
.footer-about{font-size:.86rem;color:var(--text-3);max-width:340px}
.footer-col h4{
  font-size:.76rem;letter-spacing:.14em;text-transform:uppercase;
  color:var(--cyan);margin-bottom:16px;font-weight:700;
}
.footer-col li{margin-bottom:10px}
.footer-col a{font-size:.87rem;color:var(--text-2)}
.footer-col a:hover{color:var(--aqua)}
.footer-bottom{
  margin-top:46px;padding-top:22px;border-top:1px solid rgba(56,189,248,.12);
  display:flex;flex-wrap:wrap;gap:14px;align-items:center;justify-content:space-between;
  font-size:.78rem;color:var(--text-3);
}
.badge-row{display:flex;flex-wrap:wrap;gap:10px}
.badge-pill{
  font-size:.7rem;font-weight:600;letter-spacing:.06em;
  padding:6px 12px;border-radius:999px;
  background:var(--glass);border:1px solid var(--stroke);color:var(--text-2);
}
.badge-pill i{color:var(--aqua);margin-right:6px}

/* ===== RESPONSIVE ===== */
@media screen and (max-width:1100px){
  .brand-text{max-width:220px;font-size:.88rem}
  .main-nav a{padding:8px 11px;font-size:.82rem}
  .tactic-row{grid-template-columns:minmax(0,1fr);gap:16px}
}
@media screen and (max-width:960px){
  .section{padding:70px 0}
  .hero{padding:70px 0 60px}
  .nav-toggle{display:inline-flex}
  .main-nav{
    position:absolute;top:calc(100% + 1px);left:-16px;right:-16px;
    flex-direction:column;align-items:stretch;gap:4px;
    background:rgba(4,11,26,.98);
    border-top:1px solid var(--stroke);border-bottom:1px solid var(--stroke);
    padding:14px 16px;display:none;
    backdrop-filter:blur(18px);
  }
  .main-nav.is-open{display:flex}
  .main-nav a{padding:13px 16px;border-radius:12px;font-size:.9rem}
  .hero-panel{margin-top:34px}
  .section-head{margin-bottom:32px}
}
@media screen and (max-width:640px){
  body{font-size:15px}
  .section{padding:56px 0}
  .hero{padding:54px 0 48px}
  .hero h1{font-size:1.6rem}
  .hero-actions .btn{width:100%}
  .hero-points li{font-size:.78rem;padding:7px 12px}
  .stat-value{font-size:1.75rem}
  .glass-card,.region-card,.quote-card{padding:20px}
  .form-panel{padding:22px}
  .collection-item{flex-wrap:wrap;gap:12px}
  .fab{left:12px;bottom:82px;padding:12px 16px;font-size:.78rem}
  .site-footer{padding:48px 0 24px}
  .faq-item summary{padding:17px 18px;font-size:.9rem}
  .faq-body{padding:0 18px 18px}
}

/* roulang page: article */
:root{
  --bg-0:#030712;
  --bg-1:#061024;
  --bg-2:#0a1830;
  --glass:rgba(255,255,255,.045);
  --glass-2:rgba(255,255,255,.085);
  --stroke:rgba(56,189,248,.16);
  --stroke-2:rgba(56,189,248,.45);
  --blue:#2563EB;
  --cyan:#38BDF8;
  --aqua:#22D3EE;
  --gold:#FBBF24;
  --rose:#F43F5E;
  --text:#F8FAFC;
  --text-2:#AFC0D6;
  --text-3:#7B8CA6;
  --r-sm:12px;
  --r-md:18px;
  --r-lg:26px;
  --sh-card:0 22px 55px -30px rgba(2,8,23,.95);
  --sh-glow:0 0 0 1px rgba(56,189,248,.35),0 0 34px -8px rgba(37,99,235,.6);
  --ease:cubic-bezier(.22,.61,.36,1);
}
*,*::before,*::after{box-sizing:border-box}
html{-webkit-text-size-adjust:100%;scroll-behavior:smooth}
body{
  margin:0;
  font-family:'Be Vietnam Pro',-apple-system,BlinkMacSystemFont,'Segoe UI',Roboto,'Helvetica Neue',Arial,sans-serif;
  background:var(--bg-0);
  color:var(--text);
  font-size:16px;
  line-height:1.65;
  -webkit-font-smoothing:antialiased;
  overflow-x:hidden;
}
body::before{
  content:"";position:fixed;inset:0;z-index:-2;
  background:
    radial-gradient(900px 520px at 12% -8%, rgba(37,99,235,.30), transparent 62%),
    radial-gradient(780px 480px at 92% 6%, rgba(34,211,238,.18), transparent 60%),
    linear-gradient(180deg,#030712 0%,#061024 42%,#030712 100%);
}
body::after{
  content:"";position:fixed;inset:0;z-index:-1;pointer-events:none;
  background-image:
    linear-gradient(rgba(56,189,248,.055) 1px, transparent 1px),
    linear-gradient(90deg, rgba(56,189,248,.055) 1px, transparent 1px);
  background-size:64px 64px;
  mask-image:radial-gradient(circle at 50% 22%, rgba(0,0,0,.85), transparent 78%);
  -webkit-mask-image:radial-gradient(circle at 50% 22%, rgba(0,0,0,.85), transparent 78%);
}
img{max-width:100%;height:auto;display:block}
a{color:var(--cyan);text-decoration:none;transition:color .22s var(--ease)}
a:hover{color:#7dd3fc}
a:focus-visible,button:focus-visible,input:focus-visible,select:focus-visible,textarea:focus-visible{
  outline:2px solid var(--aqua);outline-offset:3px;border-radius:6px;
}
button{font-family:inherit}
h1,h2,h3,h4{margin:0;font-weight:700;letter-spacing:-.01em;color:var(--text)}
p{margin:0 0 16px}
ul,ol{margin:0;padding:0;list-style:none}
.grid-container{max-width:1220px;padding-left:20px;padding-right:20px}
.section{padding:88px 0;position:relative}
.section--tight{padding:60px 0}
.section--alt{background:linear-gradient(180deg,rgba(10,24,48,.72),rgba(3,7,18,.15))}
.section--soft{background:linear-gradient(180deg,rgba(6,16,36,.5),rgba(3,7,18,.05))}
.section-head{max-width:820px;margin:0 0 42px;text-align:left}
.section-head h2{font-size:clamp(1.55rem,2.5vw,2.25rem);line-height:1.28;margin:16px 0 14px}
.section-head p{color:var(--text-2);font-size:1.02rem;margin:0}
.eyebrow{
  display:inline-flex;align-items:center;gap:9px;
  font-size:.72rem;font-weight:600;letter-spacing:.16em;text-transform:uppercase;
  color:var(--cyan);background:var(--glass);border:1px solid var(--stroke);
  padding:7px 15px;border-radius:999px;
}
.eyebrow--gold{color:var(--gold);border-color:rgba(251,191,36,.32);background:rgba(251,191,36,.08)}
.eyebrow--rose{color:#fda4b8;border-color:rgba(244,63,94,.4);background:rgba(244,63,94,.12)}

/* ===== HEADER ===== */
.site-header{
  position:sticky;top:0;z-index:900;
  background:rgba(4,11,26,.84);
  backdrop-filter:blur(16px);-webkit-backdrop-filter:blur(16px);
  border-bottom:1px solid rgba(56,189,248,.14);
}
.nav-wrap{display:flex;align-items:center;justify-content:space-between;gap:18px;min-height:74px;position:relative}
.brand{display:flex;align-items:center;gap:12px;text-decoration:none;flex-shrink:0}
.brand-mark{
  width:40px;height:40px;border-radius:13px;display:grid;place-items:center;flex-shrink:0;
  background:linear-gradient(135deg,var(--blue),var(--aqua));
  color:#04131f;font-size:1.05rem;font-weight:800;
  box-shadow:0 0 22px -4px rgba(34,211,238,.75);
}
.brand-text{font-size:.94rem;font-weight:700;line-height:1.15;color:var(--text);max-width:300px}
.brand-text em{display:block;font-style:normal;font-size:.7rem;font-weight:500;letter-spacing:.09em;text-transform:uppercase;color:var(--cyan)}
.main-nav{display:flex;align-items:center;gap:6px}
.main-nav a{
  display:block;padding:9px 14px;border-radius:999px;font-size:.87rem;font-weight:500;
  color:var(--text-2);white-space:nowrap;border:1px solid transparent;transition:all .22s var(--ease);
}
.main-nav a:hover{color:var(--text);background:rgba(56,189,248,.1);border-color:var(--stroke)}
.main-nav a.is-active{
  color:#04131f;font-weight:700;
  background:linear-gradient(135deg,var(--aqua),var(--cyan));
  box-shadow:0 0 20px -6px rgba(34,211,238,.85);
}
.nav-toggle{
  display:none;align-items:center;gap:8px;
  background:var(--glass);border:1px solid var(--stroke);color:var(--text);
  padding:9px 14px;border-radius:12px;font-size:.83rem;font-weight:600;cursor:pointer;
  transition:all .22s var(--ease);
}
.nav-toggle:hover{border-color:var(--stroke-2);background:rgba(56,189,248,.12)}

/* ===== BUTTONS ===== */
.btn{
  display:inline-flex;align-items:center;justify-content:center;gap:10px;
  padding:15px 28px;border-radius:999px;font-size:.94rem;font-weight:600;line-height:1;
  border:1px solid transparent;cursor:pointer;text-decoration:none;
  transition:transform .22s var(--ease),box-shadow .22s var(--ease),background .22s var(--ease),border-color .22s var(--ease);
}
.btn-primary{
  background:linear-gradient(135deg,var(--blue),var(--aqua));
  color:#031422;font-weight:700;
  box-shadow:0 12px 34px -12px rgba(37,99,235,.95);
}
.btn-primary:hover{transform:translateY(-3px);color:#031422;box-shadow:0 18px 44px -14px rgba(34,211,238,.95)}
.btn-primary:active{transform:translateY(-1px)}
.btn-ghost{background:var(--glass);border-color:var(--stroke);color:var(--text)}
.btn-ghost:hover{border-color:var(--stroke-2);background:rgba(56,189,248,.12);color:var(--text);transform:translateY(-3px)}
.btn-sm{padding:11px 20px;font-size:.85rem}
.btn-block{width:100%}

/* ===== ARTICLE HERO ===== */
.article-hero{position:relative;overflow:hidden;border-bottom:1px solid rgba(56,189,248,.14);padding:0}
.article-hero-media{position:relative;height:min(46vh,420px);min-height:280px;overflow:hidden}
.article-hero-media img{width:100%;height:100%;object-fit:cover;opacity:.5}
.article-hero-media::after{
  content:"";position:absolute;inset:0;
  background:linear-gradient(180deg,rgba(3,7,18,.35) 0%,rgba(3,7,18,.72) 55%,var(--bg-0) 100%);
}
.article-hero-body{position:relative;margin-top:-120px;z-index:3;padding-bottom:56px}
.crumbs{display:flex;flex-wrap:wrap;align-items:center;gap:9px;font-size:.8rem;color:var(--text-3);margin-bottom:20px}
.crumbs a{color:var(--text-2)}
.crumbs a:hover{color:var(--aqua)}
.crumb-current{color:var(--cyan)}
.article-hero h1{
  font-size:clamp(1.75rem,3.9vw,3.05rem);
  line-height:1.2;margin:16px 0 18px;max-width:20ch;
  text-shadow:0 8px 40px rgba(3,7,18,.7);
}
.article-lead{color:var(--text-2);font-size:1.06rem;max-width:70ch;margin-bottom:26px}
.article-meta{display:flex;flex-wrap:wrap;gap:10px}
.meta-item{
  display:inline-flex;align-items:center;gap:8px;
  font-size:.79rem;font-weight:500;color:var(--text-2);
  background:var(--glass);border:1px solid var(--stroke);
  padding:7px 14px;border-radius:999px;
}
.meta-item i{color:var(--aqua)}

/* ===== ARTICLE BODY ===== */
.article-shell{display:grid;grid-template-columns:minmax(0,1fr) 320px;gap:44px;align-items:start}
.article-body{max-width:100%;font-size:1.03rem;color:var(--text-2)}
.article-body h2{font-size:clamp(1.3rem,2vw,1.7rem);color:var(--text);margin:38px 0 14px;line-height:1.3}
.article-body h3{font-size:1.16rem;color:var(--text);margin:28px 0 12px}
.article-body p{margin:0 0 18px;line-height:1.75}
.article-body strong{color:var(--text);font-weight:700}
.article-body ul,.article-body ol{margin:0 0 20px;padding-left:0}
.article-body ul li,.article-body ol li{
  position:relative;padding-left:26px;margin-bottom:10px;line-height:1.7;
}
.article-body ul li::before{
  content:"";position:absolute;left:4px;top:10px;
  width:8px;height:8px;border-radius:50%;
  background:linear-gradient(135deg,var(--aqua),var(--blue));
  box-shadow:0 0 10px rgba(34,211,238,.7);
}
.article-body ol{counter-reset:art}
.article-body ol li{counter-increment:art}
.article-body ol li::before{
  content:counter(art);position:absolute;left:0;top:2px;
  width:18px;height:18px;border-radius:6px;display:grid;place-items:center;
  font-size:.68rem;font-weight:700;color:#031422;
  background:linear-gradient(135deg,var(--cyan),var(--aqua));
}
.article-body img{border-radius:var(--r-md);margin:22px 0;border:1px solid var(--stroke)}
.article-body blockquote{
  margin:24px 0;padding:20px 24px;border-left:3px solid var(--aqua);
  background:var(--glass);border-radius:0 var(--r-md) var(--r-md) 0;color:var(--text);
}
.article-body table{width:100%;border-collapse:collapse;margin:22px 0;font-size:.92rem}
.article-body th,.article-body td{padding:12px 14px;border-bottom:1px solid var(--stroke);text-align:left}
.article-body th{color:var(--cyan);font-weight:600;background:rgba(56,189,248,.06)}
.article-body a{color:var(--aqua);text-decoration:underline;text-underline-offset:3px}

.pull-quote{
  position:relative;margin:0 0 30px;padding:28px 30px 26px;
  background:linear-gradient(135deg,rgba(37,99,235,.16),rgba(34,211,238,.06));
  border:1px solid var(--stroke-2);border-radius:var(--r-lg);
  box-shadow:var(--sh-card);
}
.pull-quote i{color:var(--aqua);font-size:1.2rem;opacity:.85}
.pull-quote p{margin:14px 0 12px;font-size:1.14rem;line-height:1.6;color:var(--text);font-weight:600}
.pull-quote cite{font-style:normal;font-size:.8rem;letter-spacing:.08em;text-transform:uppercase;color:var(--text-3)}

.article-aside{position:sticky;top:100px;display:grid;gap:18px}
.aside-card{
  background:var(--glass);border:1px solid var(--stroke);border-radius:var(--r-md);
  padding:22px;box-shadow:var(--sh-card);
}
.aside-card h3{font-size:1rem;margin-bottom:14px;color:var(--text)}
.aside-list li{
  display:flex;gap:11px;align-items:flex-start;padding:9px 0;
  border-bottom:1px dashed rgba(56,189,248,.16);font-size:.88rem;color:var(--text-2);line-height:1.55;
}
.aside-list li:last-child{border-bottom:0}
.aside-list i{color:var(--aqua);margin-top:4px;font-size:.78rem}
.aside-note{font-size:.82rem;color:var(--text-3);margin:14px 0 0}

/* ===== METRICS ===== */
.metric-strip{display:grid;grid-template-columns:repeat(4,minmax(0,1fr));gap:18px}
.metric-card{
  background:linear-gradient(160deg,rgba(10,24,48,.85),rgba(3,7,18,.6));
  border:1px solid var(--stroke);border-radius:var(--r-md);
  padding:26px 22px;position:relative;overflow:hidden;
  transition:transform .25s var(--ease),border-color .25s var(--ease),box-shadow .25s var(--ease);
}
.metric-card:hover{transform:translateY(-5px);border-color:var(--stroke-2);box-shadow:var(--sh-glow)}
.metric-card::after{
  content:"";position:absolute;right:-30px;top:-30px;width:96px;height:96px;border-radius:50%;
  background:radial-gradient(circle,rgba(34,211,238,.28),transparent 70%);
}
.metric-num{font-size:clamp(1.7rem,3vw,2.3rem);font-weight:800;line-height:1;color:var(--text);display:block;margin-bottom:10px}
.metric-num span{color:var(--aqua);font-size:.6em}
.metric-label{font-size:.85rem;color:var(--text-2);line-height:1.5;margin:0}

/* ===== TACTIC GRID ===== */
.tactic-grid{display:grid;grid-template-columns:repeat(2,minmax(0,1fr));gap:22px}
.tactic-card{
  background:var(--glass);border:1px solid var(--stroke);border-radius:var(--r-lg);
  padding:28px;transition:transform .25s var(--ease),border-color .25s var(--ease),background .25s var(--ease);
}
.tactic-card:hover{transform:translateY(-4px);border-color:var(--stroke-2);background:rgba(56,189,248,.07)}
.tactic-top{display:flex;align-items:center;gap:14px;margin-bottom:14px}
.tactic-ico{
  width:46px;height:46px;border-radius:14px;display:grid;place-items:center;flex-shrink:0;
  background:linear-gradient(135deg,rgba(37,99,235,.9),rgba(34,211,238,.85));
  color:#031422;font-size:1.05rem;
  box-shadow:0 0 22px -6px rgba(34,211,238,.8);
}
.tactic-card h3{font-size:1.08rem}
.tactic-card p{color:var(--text-2);font-size:.94rem;margin:0 0 14px}
.tag-row{display:flex;flex-wrap:wrap;gap:8px}
.tag{
  font-size:.72rem;font-weight:600;letter-spacing:.05em;
  padding:5px 11px;border-radius:999px;
  color:var(--cyan);background:rgba(56,189,248,.1);border:1px solid rgba(56,189,248,.28);
}
.tag--gold{color:var(--gold);background:rgba(251,191,36,.1);border-color:rgba(251,191,36,.3)}
.tag--rose{color:#fda4b8;background:rgba(244,63,94,.12);border-color:rgba(244,63,94,.32)}

/* ===== COMPARE ===== */
.compare-grid{display:grid;grid-template-columns:repeat(2,minmax(0,1fr));gap:22px}
.compare-col{
  border-radius:var(--r-lg);padding:28px;border:1px solid var(--stroke);
  background:rgba(6,16,36,.6);
}
.compare-col--good{border-color:rgba(34,211,238,.4);background:linear-gradient(160deg,rgba(34,211,238,.1),rgba(3,7,18,.6))}
.compare-col h3{display:flex;align-items:center;gap:10px;font-size:1.06rem;margin-bottom:18px}
.compare-col--good h3 i{color:var(--aqua)}
.compare-col:not(.compare-col--good) h3 i{color:var(--rose)}
.compare-col ul li{
  display:flex;gap:10px;align-items:flex-start;font-size:.92rem;color:var(--text-2);
  padding:10px 0;border-bottom:1px dashed rgba(56,189,248,.14);line-height:1.6;
}
.compare-col ul li:last-child{border-bottom:0}
.compare-col ul li i{margin-top:5px;font-size:.75rem}
.compare-col--good ul li i{color:var(--aqua)}
.compare-col:not(.compare-col--good) ul li i{color:var(--rose)}

/* ===== TIMELINE ===== */
.timeline{position:relative;padding-left:34px}
.timeline::before{
  content:"";position:absolute;left:11px;top:8px;bottom:8px;width:2px;
  background:linear-gradient(180deg,var(--aqua),rgba(37,99,235,.2));
}
.tl-item{position:relative;padding:0 0 30px 6px}
.tl-item:last-child{padding-bottom:0}
.tl-item::before{
  content:"";position:absolute;left:-30px;top:6px;width:14px;height:14px;border-radius:50%;
  background:var(--bg-0);border:2px solid var(--aqua);
  box-shadow:0 0 14px rgba(34,211,238,.75);
}
.tl-step{font-size:.72rem;letter-spacing:.14em;text-transform:uppercase;color:var(--cyan);font-weight:700}
.tl-item h3{font-size:1.06rem;margin:8px 0 10px}
.tl-item p{color:var(--text-2);font-size:.94rem;margin:0}

/* ===== FAQ ===== */
.faq-list{display:grid;gap:14px;max-width:920px}
.faq-item{
  background:var(--glass);border:1px solid var(--stroke);border-radius:var(--r-md);
  padding:0;overflow:hidden;transition:border-color .25s var(--ease),background .25s var(--ease);
}
.faq-item[open]{border-color:var(--stroke-2);background:rgba(56,189,248,.07)}
.faq-item summary{
  cursor:pointer;list-style:none;padding:20px 24px;
  font-weight:600;font-size:1rem;color:var(--text);display:flex;gap:14px;align-items:flex-start;
}
.faq-item summary::-webkit-details-marker{display:none}
.faq-item summary::after{
  content:"\f067";font-family:"Font Awesome 6 Free";font-weight:900;
  margin-left:auto;color:var(--aqua);font-size:.8rem;transition:transform .25s var(--ease);
}
.faq-item[open] summary::after{transform:rotate(45deg)}
.faq-item .faq-a{padding:0 24px 22px;color:var(--text-2);font-size:.95rem;line-height:1.7}
.faq-item .faq-a p:last-child{margin-bottom:0}

/* ===== CHANNEL MATRIX ===== */
.channel-grid{display:grid;grid-template-columns:repeat(3,minmax(0,1fr));gap:20px}
.channel-card{
  display:block;border-radius:var(--r-lg);padding:28px;
  background:linear-gradient(165deg,rgba(10,24,48,.9),rgba(3,7,18,.65));
  border:1px solid var(--stroke);color:var(--text);
  transition:transform .25s var(--ease),border-color .25s var(--ease),box-shadow .25s var(--ease);
}
.channel-card:hover{transform:translateY(-6px);border-color:var(--stroke-2);box-shadow:var(--sh-glow);color:var(--text)}
.channel-card i.ch-ico{font-size:1.3rem;color:var(--aqua);display:block;margin-bottom:16px}
.channel-card h3{font-size:1.06rem;margin-bottom:10px;color:var(--text)}
.channel-card p{color:var(--text-2);font-size:.9rem;margin:0 0 16px}
.channel-card .ch-link{font-size:.83rem;font-weight:600;color:var(--cyan);display:inline-flex;align-items:center;gap:8px}

/* ===== CTA / FORM ===== */
.cta-panel{
  position:relative;overflow:hidden;border-radius:var(--r-lg);
  border:1px solid var(--stroke-2);
  background:linear-gradient(135deg,rgba(37,99,235,.22),rgba(3,7,18,.85) 62%);
  padding:44px;box-shadow:var(--sh-card);
}
.cta-panel::after{
  content:"";position:absolute;right:-80px;bottom:-90px;width:280px;height:280px;border-radius:50%;
  background:radial-gradient(circle,rgba(34,211,238,.3),transparent 68%);
}
.cta-inner{position:relative;z-index:2;display:grid;grid-template-columns:1.05fr .95fr;gap:44px;align-items:center}
.cta-copy h2{font-size:clamp(1.5rem,2.4vw,2.1rem);line-height:1.3;margin:16px 0 14px}
.cta-copy p{color:var(--text-2);margin:0 0 18px}
.cta-points li{display:flex;gap:11px;align-items:flex-start;font-size:.9rem;color:var(--text-2);padding:6px 0}
.cta-points i{color:var(--aqua);margin-top:5px;font-size:.78rem}
.advice-form{
  background:rgba(4,11,26,.72);border:1px solid var(--stroke);border-radius:var(--r-md);
  padding:26px;
}
.advice-form .field{margin-bottom:16px}
.advice-form label{display:block;font-size:.8rem;font-weight:600;color:var(--text-2);margin-bottom:8px;letter-spacing:.02em}
.advice-form input,.advice-form select,.advice-form textarea{
  width:100%;padding:13px 16px;border-radius:var(--r-sm);
  background:rgba(255,255,255,.05);border:1px solid var(--stroke);
  color:var(--text);font-size:.92rem;font-family:inherit;
  transition:border-color .22s var(--ease),background .22s var(--ease);
}
.advice-form input::placeholder,.advice-form textarea::placeholder{color:var(--text-3)}
.advice-form input:focus,.advice-form select:focus,.advice-form textarea:focus{
  border-color:var(--stroke-2);background:rgba(56,189,248,.08);outline:none;
}
.advice-form select option{background:#061024;color:var(--text)}
.form-note{font-size:.76rem;color:var(--text-3);margin:14px 0 0;line-height:1.6}
.form-msg{display:none;margin:0 0 16px;padding:12px 16px;border-radius:var(--r-sm);font-size:.85rem;
  background:rgba(34,211,238,.12);border:1px solid rgba(34,211,238,.4);color:var(--aqua)}
.form-msg.is-on{display:block}

/* ===== EMPTY STATE ===== */
.empty-state{
  max-width:640px;margin:0 auto;text-align:center;padding:56px 30px;
  background:var(--glass);border:1px solid var(--stroke);border-radius:var(--r-lg);
}
.empty-state i{font-size:2rem;color:var(--gold);margin-bottom:16px;display:block}
.empty-state h2{font-size:1.45rem;margin-bottom:12px}
.empty-state p{color:var(--text-2);margin-bottom:22px}

/* ===== FOOTER ===== */
.site-footer{
  margin-top:20px;padding:78px 0 34px;
  background:linear-gradient(180deg,rgba(3,7,18,.2),rgba(6,16,36,.92));
  border-top:1px solid rgba(56,189,248,.16);position:relative;
}
.footer-top{padding-bottom:44px}
.foot-brand{display:flex;align-items:center;gap:12px;margin-bottom:18px}
.logo-mark{
  width:40px;height:40px;border-radius:13px;display:grid;place-items:center;flex-shrink:0;
  background:linear-gradient(135deg,var(--gold),#f97316);color:#231402;font-size:1rem;
  box-shadow:0 0 22px -6px rgba(251,191,36,.85);
}
.logo-text{font-size:.94rem;font-weight:700;line-height:1.3;color:var(--text)}
.foot-about{color:var(--text-3);font-size:.88rem;line-height:1.7;margin-bottom:18px}
.foot-badges{display:flex;flex-wrap:wrap;gap:9px}
.badge-18{
  font-size:.74rem;font-weight:800;padding:5px 11px;border-radius:8px;
  background:rgba(244,63,94,.16);border:1px solid rgba(244,63,94,.45);color:#fda4b8;
}
.foot-badge{
  font-size:.74rem;font-weight:600;padding:5px 11px;border-radius:999px;
  background:var(--glass);border:1px solid var(--stroke);color:var(--text-2);
}
.foot-title{font-size:.8rem;letter-spacing:.14em;text-transform:uppercase;color:var(--cyan);margin-bottom:18px;font-weight:700}
.foot-links li{margin-bottom:11px}
.foot-links a{color:var(--text-2);font-size:.88rem}
.foot-links a:hover{color:var(--aqua)}
.foot-links--plain li{color:var(--text-3);font-size:.85rem;display:flex;gap:10px;align-items:flex-start;line-height:1.6}
.foot-links--plain i{color:var(--aqua);margin-top:4px;font-size:.78rem}
.foot-pay{display:flex;flex-wrap:wrap;gap:8px;margin-top:18px}
.foot-pay span{
  font-size:.72rem;font-weight:600;padding:5px 11px;border-radius:8px;
  background:rgba(56,189,248,.08);border:1px solid var(--stroke);color:var(--text-2);
}
.footer-divider{height:1px;background:linear-gradient(90deg,transparent,rgba(56,189,248,.35),transparent)}
.footer-bottom{
  display:flex;flex-wrap:wrap;gap:14px;justify-content:space-between;align-items:center;
  padding-top:26px;
}
.footer-bottom p{margin:0;font-size:.8rem;color:var(--text-3);max-width:760px;line-height:1.65}
.footer-social{display:flex;gap:10px}
.footer-social a{
  width:38px;height:38px;border-radius:12px;display:grid;place-items:center;
  background:var(--glass);border:1px solid var(--stroke);color:var(--text-2);font-size:.9rem;
  transition:all .22s var(--ease);
}
.footer-social a:hover{color:#031422;background:linear-gradient(135deg,var(--aqua),var(--cyan));border-color:transparent}

/* ===== FAB ===== */
.fab-cyber{
  position:fixed;left:16px;bottom:96px;z-index:50;
  width:56px;height:56px;border-radius:18px;
  display:grid;place-items:center;
  background:rgba(7,7,13,.82);
  backdrop-filter:blur(12px);-webkit-backdrop-filter:blur(12px);
  border:1px solid rgba(56,189,248,.5);
  color:var(--cyan);font-size:1.1rem;
  box-shadow:0 0 22px rgba(6,182,212,.45);
  opacity:.78;
  transition:all .25s var(--ease);
  animation:fabPulse 3.6s ease-in-out infinite;
}
.fab-cyber:hover{opacity:1;color:#031422;background:linear-gradient(135deg,var(--aqua),var(--cyan));box-shadow:0 0 34px rgba(6,182,212,.75);transform:scale(1.08)}
.fab-cyber:active{transform:scale(.94)}
.fab-dot{
  position:absolute;top:7px;right:7px;width:10px;height:10px;border-radius:50%;
  background:var(--rose);box-shadow:0 0 10px rgba(244,63,94,.9);
  animation:dotBlink 1.8s ease-in-out infinite;
}
@keyframes fabPulse{
  0%,100%{box-shadow:0 0 18px rgba(6,182,212,.35)}
  50%{box-shadow:0 0 30px rgba(6,182,212,.7)}
}
@keyframes dotBlink{0%,100%{opacity:1}50%{opacity:.35}}

/* ===== RESPONSIVE ===== */
@media screen and (max-width:1023px){
  .nav-toggle{display:inline-flex}
  .main-nav{
    position:absolute;top:calc(100% + 10px);left:0;right:0;
    display:none;flex-direction:column;align-items:stretch;gap:5px;
    background:rgba(6,16,36,.98);border:1px solid var(--stroke);
    border-radius:var(--r-md);padding:12px;
    box-shadow:0 26px 60px -24px rgba(2,8,23,1);
  }
  .main-nav.is-open{display:flex}
  .main-nav a{padding:12px 14px;border-radius:12px}
  .section{padding:70px 0}
  .article-shell{grid-template-columns:minmax(0,1fr);gap:34px}
  .article-aside{position:static;grid-template-columns:repeat(2,minmax(0,1fr));display:grid}
  .metric-strip{grid-template-columns:repeat(2,minmax(0,1fr))}
  .channel-grid{grid-template-columns:repeat(2,minmax(0,1fr))}
  .cta-inner{grid-template-columns:minmax(0,1fr);gap:32px}
  .cta-panel{padding:34px}
}
@media screen and (max-width:767px){
  .brand-text{font-size:.82rem;max-width:180px}
  .brand-text em{font-size:.62rem}
  .section{padding:56px 0}
  .article-hero-media{height:240px;min-height:220px}
  .article-hero-body{margin-top:-86px;padding-bottom:40px}
  .article-hero h1{max-width:100%}
  .tactic-grid,.compare-grid{grid-template-columns:minmax(0,1fr)}
  .article-aside{grid-template-columns:minmax(0,1fr)}
  .metric-strip{grid-template-columns:repeat(2,minmax(0,1fr));gap:12px}
  .channel-grid{grid-template-columns:minmax(0,1fr)}
  .cta-panel{padding:26px}
  .advice-form{padding:20px}
  .pull-quote{padding:22px}
}
@media screen and (max-width:519px){
  .grid-container{padding-left:16px;padding-right:16px}
  .metric-strip{grid-template-columns:minmax(0,1fr)}
  .btn{width:100%}
  .btn.btn-inline{width:auto}
  .footer-bottom{flex-direction:column;align-items:flex-start}
  .fab-cyber{left:12px;bottom:84px;width:52px;height:52px}
  .article-hero h1{font-size:1.6rem}
}

/* roulang page: category1 */
:root{
  --bg-0:#030712;
  --bg-1:#061024;
  --bg-2:#0a1830;
  --glass:rgba(255,255,255,.045);
  --glass-2:rgba(255,255,255,.085);
  --stroke:rgba(56,189,248,.16);
  --stroke-2:rgba(56,189,248,.45);
  --blue:#2563EB;
  --cyan:#38BDF8;
  --aqua:#22D3EE;
  --gold:#FBBF24;
  --rose:#F43F5E;
  --text:#F8FAFC;
  --text-2:#AFC0D6;
  --text-3:#7B8CA6;
  --r-sm:12px;
  --r-md:18px;
  --r-lg:26px;
  --sh-card:0 22px 55px -30px rgba(2,8,23,.95);
  --sh-glow:0 0 0 1px rgba(56,189,248,.35),0 0 34px -8px rgba(37,99,235,.6);
  --ease:cubic-bezier(.22,.61,.36,1);
}
*,*::before,*::after{box-sizing:border-box}
html{-webkit-text-size-adjust:100%;scroll-behavior:smooth}
body{
  margin:0;
  font-family:'Be Vietnam Pro',-apple-system,BlinkMacSystemFont,'Segoe UI',Roboto,'Helvetica Neue',Arial,sans-serif;
  background:var(--bg-0);
  color:var(--text);
  font-size:16px;
  line-height:1.65;
  -webkit-font-smoothing:antialiased;
  overflow-x:hidden;
}
body::before{
  content:"";
  position:fixed;
  inset:0;
  z-index:-2;
  background:
    radial-gradient(900px 520px at 12% -8%, rgba(37,99,235,.30), transparent 62%),
    radial-gradient(780px 480px at 92% 6%, rgba(34,211,238,.18), transparent 60%),
    linear-gradient(180deg,#030712 0%,#061024 42%,#030712 100%);
}
body::after{
  content:"";
  position:fixed;
  inset:0;
  z-index:-1;
  background-image:
    linear-gradient(rgba(56,189,248,.055) 1px, transparent 1px),
    linear-gradient(90deg, rgba(56,189,248,.055) 1px, transparent 1px);
  background-size:64px 64px;
  mask-image:radial-gradient(circle at 50% 22%, rgba(0,0,0,.85), transparent 78%);
  -webkit-mask-image:radial-gradient(circle at 50% 22%, rgba(0,0,0,.85), transparent 78%);
  pointer-events:none;
}
img{max-width:100%;height:auto;display:block}
a{color:var(--cyan);text-decoration:none;transition:color .22s var(--ease)}
a:hover{color:#7dd3fc}
button,input,textarea,select{font-family:inherit;font-size:inherit}
button{cursor:pointer}
:focus-visible{outline:2px solid var(--aqua);outline-offset:3px;border-radius:6px}
.grid-container{max-width:1220px;padding-left:20px;padding-right:20px}
.section{padding:92px 0;position:relative}
.section--tight{padding:64px 0}
.section--alt{background:linear-gradient(180deg,rgba(10,24,48,.72),rgba(3,7,18,.15))}
.section--soft{background:linear-gradient(180deg,rgba(6,16,36,.5),rgba(3,7,18,.05))}
.section-head{max-width:780px;margin:0 0 44px;text-align:left}
.section-head--wide{max-width:900px}
.section-head h2{font-size:clamp(1.55rem,2.5vw,2.3rem);line-height:1.28;margin:18px 0 14px;font-weight:800;letter-spacing:-.4px}
.section-head p{color:var(--text-2);font-size:1.02rem;margin:0}
.eyebrow{
  display:inline-flex;align-items:center;gap:9px;
  font-size:.72rem;font-weight:600;letter-spacing:.16em;text-transform:uppercase;
  color:var(--cyan);background:var(--glass);border:1px solid var(--stroke);
  padding:7px 15px;border-radius:999px;
}
.eyebrow i{font-size:.75rem}
.eyebrow--gold{color:var(--gold);border-color:rgba(251,191,36,.32);background:rgba(251,191,36,.08)}

/* ===== HEADER ===== */
.site-header{
  position:sticky;top:0;z-index:900;
  background:rgba(4,11,26,.82);
  backdrop-filter:blur(16px);-webkit-backdrop-filter:blur(16px);
  border-bottom:1px solid rgba(56,189,248,.14);
}
.nav-wrap{display:flex;align-items:center;justify-content:space-between;gap:18px;min-height:74px;position:relative}
.brand{display:flex;align-items:center;gap:12px;text-decoration:none;flex-shrink:0}
.brand-mark{
  width:40px;height:40px;border-radius:13px;display:grid;place-items:center;flex-shrink:0;
  background:linear-gradient(135deg,var(--blue),var(--aqua));
  color:#04131f;font-size:1.05rem;font-weight:800;
  box-shadow:0 0 22px -4px rgba(34,211,238,.75);
}
.brand-text{font-size:.94rem;font-weight:700;line-height:1.15;color:var(--text);max-width:290px}
.brand-text em{display:block;font-style:normal;font-size:.7rem;font-weight:500;letter-spacing:.09em;text-transform:uppercase;color:var(--cyan)}
.main-nav{display:flex;align-items:center;gap:6px}
.main-nav a{
  display:block;padding:9px 14px;border-radius:999px;font-size:.87rem;font-weight:500;
  color:var(--text-2);white-space:nowrap;border:1px solid transparent;transition:all .22s var(--ease);
}
.main-nav a:hover{color:var(--text);background:rgba(56,189,248,.1);border-color:var(--stroke)}
.main-nav a.is-active{
  color:#04131f;font-weight:700;
  background:linear-gradient(135deg,var(--aqua),var(--cyan));
  box-shadow:0 0 20px -6px rgba(34,211,238,.85);
}
.nav-toggle{
  display:none;align-items:center;gap:8px;
  background:var(--glass);border:1px solid var(--stroke);color:var(--text);
  padding:9px 14px;border-radius:12px;font-size:.83rem;font-weight:600;
  transition:all .22s var(--ease);
}
.nav-toggle:hover{border-color:var(--stroke-2);background:rgba(56,189,248,.12)}

/* ===== BUTTONS ===== */
.btn{
  display:inline-flex;align-items:center;justify-content:center;gap:10px;
  padding:15px 28px;border-radius:999px;font-size:.94rem;font-weight:600;line-height:1;
  text-decoration:none;border:1px solid transparent;
  transition:transform .22s var(--ease),box-shadow .22s var(--ease),background .22s var(--ease),border-color .22s var(--ease),color .22s var(--ease);
}
.btn-primary{
  background:linear-gradient(135deg,var(--blue),var(--aqua));
  color:#031422;font-weight:700;
  box-shadow:0 12px 34px -12px rgba(37,99,235,.95);
}
.btn-primary:hover{transform:translateY(-3px);color:#031422;box-shadow:0 18px 44px -14px rgba(34,211,238,.95)}
.btn-primary:active{transform:translateY(-1px)}
.btn-ghost{
  background:var(--glass);border-color:var(--stroke);color:var(--text);
  backdrop-filter:blur(10px);-webkit-backdrop-filter:blur(10px);
}
.btn-ghost:hover{border-color:var(--stroke-2);background:rgba(56,189,248,.12);color:var(--text);transform:translateY(-3px)}
.btn-gold{
  background:linear-gradient(135deg,#FBBF24,#F59E0B);color:#2b1400;font-weight:700;
  box-shadow:0 12px 32px -14px rgba(251,191,36,.9);
}
.btn-gold:hover{color:#2b1400;transform:translateY(-3px)}
.btn-sm{padding:11px 20px;font-size:.85rem}

/* ===== FLASH STRIP ===== */
.flash-strip{
  background:linear-gradient(90deg,rgba(37,99,235,.30),rgba(34,211,238,.16) 55%,rgba(3,7,18,.1));
  border-bottom:1px solid var(--stroke);
}
.flash-inner{display:flex;align-items:center;justify-content:space-between;gap:16px;flex-wrap:wrap;padding:11px 0}
.flash-text{font-size:.85rem;color:var(--text-2);display:flex;align-items:center;gap:9px}
.flash-text i{color:var(--gold)}
.flash-text strong{color:var(--text);font-weight:700}
.countdown{display:flex;align-items:center;gap:7px}
.count-unit{
  min-width:46px;text-align:center;padding:5px 9px;border-radius:10px;
  background:rgba(3,7,18,.75);border:1px solid var(--stroke);
  font-size:.85rem;font-weight:800;color:var(--cyan);font-variant-numeric:tabular-nums;
}
.count-sep{color:var(--text-3);font-weight:700}
@keyframes pulse-dot{0%,100%{opacity:1;transform:scale(1)}50%{opacity:.35;transform:scale(.82)}}

/* ===== HERO ===== */
.hero{position:relative;overflow:hidden;padding:76px 0 70px;border-bottom:1px solid rgba(56,189,248,.12)}
.hero-bg{position:absolute;inset:0;background-size:cover;background-position:center;opacity:.34;transform:scale(1.04)}
.hero-veil{
  position:absolute;inset:0;
  background:
    linear-gradient(100deg,rgba(3,7,18,.97) 8%,rgba(6,16,36,.88) 48%,rgba(3,7,18,.70) 100%),
    radial-gradient(640px 430px at 78% 20%, rgba(37,99,235,.42), transparent 68%);
}
.hero-inner{position:relative;z-index:2}
.hero-copy{padding-right:14px}
.hero-tag{
  display:inline-flex;align-items:center;gap:9px;
  background:rgba(34,211,238,.12);border:1px solid rgba(34,211,238,.42);
  color:#a5f3fc;font-size:.72rem;font-weight:700;letter-spacing:.14em;text-transform:uppercase;
  padding:8px 16px;border-radius:999px;margin-bottom:20px;
}
.hero-tag i{color:var(--aqua)}
.hero h1{
  font-size:clamp(1.72rem,3.4vw,2.85rem);
  line-height:1.24;font-weight:800;letter-spacing:-.6px;margin:0 0 18px;color:var(--text);
}
.hero h1 span{
  background:linear-gradient(135deg,#7dd3fc,var(--aqua) 55%,#a5b4fc);
  -webkit-background-clip:text;background-clip:text;color:transparent;
}
.hero-lead{color:var(--text-2);font-size:1.04rem;max-width:660px;margin:0}
.hero-actions{display:flex;gap:14px;flex-wrap:wrap;margin:28px 0 24px}
.hero-facts{display:flex;flex-wrap:wrap;gap:10px;list-style:none;padding:0;margin:0}
.hero-facts li{
  font-size:.8rem;color:var(--text-2);border:1px solid var(--stroke);
  background:var(--glass);border-radius:999px;padding:7px 14px;
}
.hero-facts li i{color:var(--aqua);margin-right:6px}

.hero-card{
  position:relative;
  background:linear-gradient(160deg,rgba(10,24,48,.94),rgba(3,7,18,.94));
  border:1px solid var(--stroke);border-radius:var(--r-lg);
  padding:26px;box-shadow:var(--sh-card);
  backdrop-filter:blur(14px);-webkit-backdrop-filter:blur(14px);
  overflow:hidden;
}
.hero-card::after{
  content:"";position:absolute;inset:0;pointer-events:none;
  background:radial-gradient(320px 180px at 90% -10%, rgba(34,211,238,.22), transparent 70%);
}
.hero-card__badge{
  display:inline-flex;align-items:center;gap:8px;font-size:.7rem;font-weight:700;
  letter-spacing:.14em;text-transform:uppercase;color:#fca5b5;
  background:rgba(244,63,94,.14);border:1px solid rgba(244,63,94,.4);
  padding:6px 13px;border-radius:999px;
}
.hero-card h2{font-size:1.16rem;line-height:1.4;margin:16px 0 6px;font-weight:700;position:relative;z-index:1}
.hero-card__sub{color:var(--text-3);font-size:.86rem;margin:0 0 16px}
.hero-card__media{
  position:relative;border-radius:var(--r-md);overflow:hidden;border:1px solid var(--stroke);margin-bottom:18px;
}
.hero-card__media img{width:100%;height:170px;object-fit:cover;opacity:.92}
.hero-card__media span{
  position:absolute;left:12px;bottom:12px;font-size:.72rem;font-weight:700;
  background:rgba(3,7,18,.82);border:1px solid var(--stroke-2);color:var(--cyan);
  padding:5px 12px;border-radius:999px;letter-spacing:.06em;
}
.hero-card__list{list-style:none;padding:0;margin:0 0 20px;position:relative;z-index:1}
.hero-card__list li{
  display:flex;align-items:flex-start;gap:10px;font-size:.89rem;color:var(--text-2);
  padding:9px 0;border-bottom:1px dashed rgba(56,189,248,.14);
}
.hero-card__list li:last-child{border-bottom:0}
.hero-card__list i{color:var(--aqua);margin-top:4px;font-size:.8rem}
.hero-card__foot{display:flex;align-items:center;justify-content:space-between;gap:14px;flex-wrap:wrap;position:relative;z-index:1}
.hero-card__price{font-size:1.05rem;font-weight:800;color:var(--gold)}
.hero-card__price small{display:block;font-size:.72rem;font-weight:500;color:var(--text-3);letter-spacing:.04em}

/* ===== METRICS ===== */
.metrics{display:grid;grid-template-columns:repeat(4,1fr);gap:18px}
.metric{
  background:var(--glass);border:1px solid var(--stroke);border-radius:var(--r-md);
  padding:24px 22px;transition:transform .25s var(--ease),border-color .25s var(--ease),box-shadow .25s var(--ease);
}
.metric:hover{transform:translateY(-4px);border-color:var(--stroke-2);box-shadow:var(--sh-glow)}
.metric__ico{font-size:.95rem;color:var(--aqua);margin-bottom:12px;display:block}
.metric__num{
  font-size:1.95rem;font-weight:800;line-height:1.1;letter-spacing:-.6px;
  background:linear-gradient(135deg,#a5f3fc,var(--cyan) 55%,var(--blue));
  -webkit-background-clip:text;background-clip:text;color:transparent;
}
.metric__label{font-size:.87rem;color:var(--text-2);margin-top:8px}
.metric__note{font-size:.75rem;color:var(--text-3);margin-top:6px}

/* ===== CHANNELS ===== */
.channel-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:20px}
.channel-card{
  display:block;position:relative;overflow:hidden;
  background:linear-gradient(150deg,rgba(10,24,48,.86),rgba(3,7,18,.86));
  border:1px solid var(--stroke);border-radius:var(--r-lg);padding:26px 24px 24px;
  transition:transform .25s var(--ease),border-color .25s var(--ease),box-shadow .25s var(--ease);
}
.channel-card:hover{transform:translateY(-5px);border-color:var(--stroke-2);box-shadow:var(--sh-glow);color:var(--text)}
.channel-card__tag{
  font-size:.68rem;font-weight:700;letter-spacing:.16em;text-transform:uppercase;
  color:var(--gold);display:block;margin-bottom:12px;
}
.channel-card h3{font-size:1.1rem;margin:0 0 10px;font-weight:700;color:var(--text)}
.channel-card p{font-size:.89rem;color:var(--text-2);margin:0 0 18px}
.channel-card__more{font-size:.82rem;font-weight:700;color:var(--cyan);display:inline-flex;align-items:center;gap:8px}

/* ===== FEATURES ===== */
.feature-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:20px}
.feature-card{
  border-left:2px solid rgba(56,189,248,.35);
  padding:6px 0 6px 22px;
  transition:border-color .25s var(--ease),transform .25s var(--ease);
}
.feature-card:hover{border-color:var(--aqua);transform:translateX(4px)}
.feature-card__no{
  font-size:.72rem;font-weight:800;letter-spacing:.18em;color:var(--text-3);display:block;margin-bottom:10px;
}
.feature-card h3{font-size:1.05rem;margin:0 0 10px;font-weight:700}
.feature-card p{font-size:.9rem;color:var(--text-2);margin:0}

/* ===== SCENES ===== */
.scene-grid{display:grid;grid-template-columns:repeat(2,1fr);gap:22px}
.scene-card{
  display:flex;gap:18px;align-items:stretch;
  background:var(--glass);border:1px solid var(--stroke);border-radius:var(--r-md);
  padding:18px;transition:border-color .25s var(--ease),transform .25s var(--ease);
}
.scene-card:hover{border-color:var(--stroke-2);transform:translateY(-3px)}
.scene-card__thumb{width:112px;flex-shrink:0;border-radius:var(--r-sm);overflow:hidden;border:1px solid var(--stroke)}
.scene-card__thumb img{width:100%;height:100%;object-fit:cover}
.scene-card__body h3{font-size:1rem;margin:0 0 8px;font-weight:700}
.scene-card__body p{font-size:.87rem;color:var(--text-2);margin:0}
.scene-card__body span{display:inline-block;margin-top:10px;font-size:.72rem;font-weight:700;letter-spacing:.1em;text-transform:uppercase;color:var(--aqua)}

/* ===== COMPARE ===== */
.compare{display:grid;grid-template-columns:repeat(2,1fr);gap:22px}
.compare-col{border-radius:var(--r-lg);padding:26px 24px;border:1px solid var(--stroke);background:var(--glass)}
.compare-col--old{border-color:rgba(244,63,94,.28);background:linear-gradient(160deg,rgba(67,10,25,.35),rgba(3,7,18,.6))}
.compare-col--new{border-color:rgba(34,211,238,.4);background:linear-gradient(160deg,rgba(8,40,60,.42),rgba(3,7,18,.6));box-shadow:var(--sh-glow)}
.compare-col h3{font-size:1.05rem;margin:0 0 6px;font-weight:700;display:flex;align-items:center;gap:10px}
.compare-col h3 i{font-size:.9rem}
.compare-col--old h3 i{color:var(--rose)}
.compare-col--new h3 i{color:var(--aqua)}
.compare-col > p{font-size:.85rem;color:var(--text-3);margin:0 0 16px}
.compare-list{list-style:none;padding:0;margin:0}
.compare-list li{display:flex;gap:10px;font-size:.89rem;color:var(--text-2);padding:9px 0;border-bottom:1px dashed rgba(56,189,248,.12)}
.compare-list li:last-child{border-bottom:0}
.compare-list i{margin-top:4px;font-size:.78rem}
.compare-col--old .compare-list i{color:var(--rose)}
.compare-col--new .compare-list i{color:var(--aqua)}

/* ===== ROADMAP ===== */
.roadmap{display:grid;grid-template-columns:repeat(4,1fr);gap:18px;counter-reset:step}
.step{
  position:relative;padding:26px 22px;border-radius:var(--r-md);
  background:linear-gradient(160deg,rgba(10,24,48,.8),rgba(3,7,18,.8));
  border:1px solid var(--stroke);
}
.step::before{
  counter-increment:step;content:"0" counter(step);
  display:block;font-size:1.5rem;font-weight:800;letter-spacing:-.5px;
  color:rgba(56,189,248,.55);margin-bottom:12px;
}
.step h3{font-size:1rem;margin:0 0 10px;font-weight:700}
.step p{font-size:.87rem;color:var(--text-2);margin:0}

/* ===== MONEY TABLE ===== */
.table-wrap{margin-top:40px;border:1px solid var(--stroke);border-radius:var(--r-md);overflow:hidden;background:rgba(6,16,36,.5)}
table.money-table{width:100%;border-collapse:collapse;margin:0}
table.money-table caption{
  text-align:left;padding:18px 22px;font-size:.86rem;font-weight:700;color:var(--cyan);
  letter-spacing:.08em;text-transform:uppercase;border-bottom:1px solid var(--stroke);background:rgba(3,7,18,.6);
}
table.money-table th,table.money-table td{
  padding:15px 22px;text-align:left;font-size:.89rem;border-bottom:1px solid rgba(56,189,248,.1);
}
table.money-table th{color:var(--text);font-weight:700;background:rgba(10,24,48,.55);letter-spacing:.02em}
table.money-table td{color:var(--text-2)}
table.money-table tbody tr:last-child td{border-bottom:0}
table.money-table tbody tr:hover td{background:rgba(56,189,248,.05);color:var(--text)}
table.money-table td strong{color:var(--gold);font-weight:700}

/* ===== POSTS ===== */
.post-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:20px}
.post-col{display:flex}
.post-card{
  display:flex;flex-direction:column;width:100%;
  background:linear-gradient(160deg,rgba(10,24,48,.78),rgba(3,7,18,.78));
  border:1px solid var(--stroke);border-radius:var(--r-md);padding:22px;
  transition:transform .25s var(--ease),border-color .25s var(--ease),box-shadow .25s var(--ease);
}
.post-card:hover{transform:translateY(-5px);border-color:var(--stroke-2);box-shadow:var(--sh-glow)}
.post-title{font-size:1rem;line-height:1.5;margin:0 0 12px;font-weight:700;color:var(--text)}
.post-card:hover .post-title{color:#bae6fd}
.post-excerpt{font-size:.86rem;color:var(--text-2);margin:0 0 18px;flex:1}
.post-meta{
  display:flex;align-items:center;justify-content:space-between;gap:12px;flex-wrap:wrap;
  font-size:.74rem;color:var(--text-3);border-top:1px dashed rgba(56,189,248,.14);padding-top:12px;
}
.post-meta span:first-child{color:var(--aqua);font-weight:600;letter-spacing:.06em;text-transform:uppercase}
.post-empty{
  padding:26px;border:1px dashed var(--stroke);border-radius:var(--r-md);
  color:var(--text-2);font-size:.92rem;background:var(--glass);
}

/* ===== FAQ ===== */
.faq-list{max-width:920px}
.faq-item{
  border:1px solid var(--stroke);border-radius:var(--r-md);background:var(--glass);
  margin-bottom:14px;overflow:hidden;transition:border-color .25s var(--ease)
}
.faq-item[open]{border-color:var(--stroke-2);background:rgba(8,25,48,.55)}
.faq-item summary{
  list-style:none;cursor:pointer;padding:19px 22px;font-weight:700;font-size:.98rem;
  display:flex;align-items:center;justify-content:space-between;gap:16px;color:var(--text);
}
.faq-item summary::-webkit-details-marker{display:none}
.faq-item summary i{color:var(--aqua);transition:transform .25s var(--ease);font-size:.85rem}
.faq-item[open] summary i{transform:rotate(45deg)}
.faq-item p{margin:0;padding:0 22px 20px;color:var(--text-2);font-size:.9rem}

/* ===== CTA / FORM ===== */
.cta-panel{
  border:1px solid var(--stroke-2);border-radius:var(--r-lg);
  background:
    radial-gradient(520px 300px at 12% 0%, rgba(37,99,235,.28), transparent 68%),
    linear-gradient(160deg,rgba(8,23,46,.94),rgba(3,7,18,.94));
  padding:40px;box-shadow:var(--sh-card);
}
.cta-panel h2{font-size:clamp(1.4rem,2.2vw,1.95rem);margin:0 0 14px;font-weight:800;letter-spacing:-.4px}
.cta-panel p{color:var(--text-2);font-size:.95rem;margin:0 0 22px}
.cta-badges{display:flex;gap:10px;flex-wrap:wrap;margin-top:24px}
.cta-badges span{
  font-size:.74rem;font-weight:600;color:var(--text-2);
  border:1px solid var(--stroke);background:rgba(3,7,18,.6);border-radius:999px;padding:7px 14px;
}
.form-field{margin-bottom:16px}
.form-field label{display:block;font-size:.8rem;font-weight:600;color:var(--text-2);margin-bottom:8px;letter-spacing:.03em}
.form-field input,.form-field textarea{
  width:100%;padding:14px 16px;border-radius:var(--r-sm);
  background:rgba(3,7,18,.7);border:1px solid var(--stroke);color:var(--text);
  transition:border-color .22s var(--ease),box-shadow .22s var(--ease),background .22s var(--ease);
}
.form-field textarea{min-height:118px;resize:vertical;line-height:1.6}
.form-field input::placeholder,.form-field textarea::placeholder{color:var(--text-3)}
.form-field input:focus,.form-field textarea:focus{
  outline:none;border-color:var(--stroke-2);background:rgba(3,7,18,.9);
  box-shadow:0 0 0 3px rgba(34,211,238,.14);
}
.form-note{font-size:.78rem;color:var(--text-3);margin:14px 0 0}

/* ===== FAB ===== */
.fab{
  position:fixed;left:18px;bottom:96px;z-index:50;
  display:inline-flex;align-items:center;gap:10px;
  min-height:56px;padding:0 20px 0 16px;border-radius:999px;
  background:rgba(7,7,13,.82);
  backdrop-filter:blur(14px);-webkit-backdrop-filter:blur(14px);
  border:1px solid transparent;
  background-image:linear-gradient(rgba(7,7,13,.86),rgba(7,7,13,.86)),
                   linear-gradient(135deg,var(--aqua),var(--blue) 55%,#EC4899);
  background-origin:border-box;background-clip:padding-box,border-box;
  box-shadow:0 0 20px rgba(6,182,212,.45);
  color:var(--text);font-size:.83rem;font-weight:700;letter-spacing:.02em;
  opacity:.82;transition:transform .25s var(--ease),opacity .25s var(--ease),box-shadow .25s var(--ease);
}
.fab:hover{opacity:1;transform:translateY(-3px) scale(1.03);color:var(--text);box-shadow:0 0 30px rgba(34,211,238,.6)}
.fab:active{transform:translateY(0) scale(.97)}
.fab__ico{
  width:32px;height:32px;border-radius:50%;display:grid;place-items:center;
  background:linear-gradient(135deg,rgba(34,211,238,.28),rgba(37,99,235,.4));
  color:var(--aqua);font-size:.9rem;
}
.fab__dot{
  position:absolute;top:8px;right:12px;width:9px;height:9px;border-radius:50%;
  background:#22d3ee;box-shadow:0 0 10px rgba(34,211,238,.95);
  animation:pulse-dot 1.6s infinite;
}

/* ===== FOOTER ===== */
.site-footer{
  position:relative;margin-top:20px;
  background:linear-gradient(180deg,rgba(4,11,26,.6),rgba(2,5,13,.96));
  border-top:1px solid rgba(56,189,248,.16);
  padding:70px 0 28px;
}
.footer-top{padding-bottom:34px}
.foot-brand{display:flex;align-items:center;gap:12px;margin-bottom:16px}
.logo-mark{
  width:38px;height:38px;border-radius:12px;display:grid;place-items:center;flex-shrink:0;
  background:linear-gradient(135deg,var(--blue),var(--aqua));color:#04131f;font-size:1rem;
  box-shadow:0 0 20px -4px rgba(34,211,238,.7);
}
.logo-text{font-size:.9rem;font-weight:700;line-height:1.35;color:var(--text)}
.foot-about{font-size:.86rem;color:var(--text-2);margin:0 0 18px;max-width:420px}
.foot-badges{display:flex;gap:9px;flex-wrap:wrap}
.badge-18{
  display:inline-grid;place-items:center;min-width:38px;height:26px;padding:0 9px;
  border-radius:8px;font-size:.72rem;font-weight:800;color:#fecdd3;
  background:rgba(244,63,94,.16);border:1px solid rgba(244,63,94,.45);
}
.foot-badge{
  display:inline-flex;align-items:center;height:26px;padding:0 12px;border-radius:999px;
  font-size:.72rem;color:var(--text-2);border:1px solid var(--stroke);background:var(--glass);
}
.foot-title{
  font-size:.76rem;font-weight:700;letter-spacing:.16em;text-transform:uppercase;
  color:var(--cyan);margin:0 0 16px;
}
.foot-links{list-style:none;padding:0;margin:0}
.foot-links li{margin-bottom:10px;font-size:.87rem}
.foot-links a{color:var(--text-2)}
.foot-links a:hover{color:var(--cyan)}
.foot-links--plain li{color:var(--text-2);display:flex;align-items:flex-start;gap:9px}
.foot-links--plain i{color:var(--aqua);margin-top:5px;font-size:.78rem}
.foot-pay{display:flex;gap:8px;flex-wrap:wrap;margin-top:16px}
.foot-pay span{
  font-size:.72rem;font-weight:600;color:var(--text-2);
  border:1px solid var(--stroke);background:rgba(3,7,18,.6);border-radius:8px;padding:5px 11px;
}
.footer-divider{height:1px;background:linear-gradient(90deg,transparent,rgba(56,189,248,.28),transparent)}
.footer-bottom{padding-top:22px;display:flex;align-items:center;justify-content:space-between;gap:18px;flex-wrap:wrap}
.footer-bottom p{margin:0;font-size:.79rem;color:var(--text-3);max-width:760px}
.foot-legal{list-style:none;display:flex;gap:18px;padding:0;margin:0}
.foot-legal a{font-size:.79rem;color:var(--text-3)}
.foot-legal a:hover{color:var(--cyan)}

/* ===== RESPONSIVE ===== */
@media (max-width:1023px){
  .nav-toggle{display:inline-flex}
  .main-nav{
    display:none;position:absolute;top:calc(100% + 10px);left:0;right:0;
    flex-direction:column;align-items:stretch;gap:4px;
    background:rgba(4,11,26,.98);border:1px solid var(--stroke);
    border-radius:var(--r-md);padding:12px;box-shadow:var(--sh-card);
  }
  .main-nav.is-open{display:flex}
  .main-nav a{padding:12px 14px;font-size:.92rem}
  .section{padding:74px 0}
  .metrics{grid-template-columns:repeat(2,1fr)}
  .feature-grid,.post-grid,.channel-grid{grid-template-columns:repeat(2,1fr)}
  .roadmap{grid-template-columns:repeat(2,1fr)}
  .hero{padding:60px 0 58px}
  .hero-copy{padding-right:0;margin-bottom:34px}
}
@media (max-width:767px){
  body{font-size:15px}
  .grid-container{padding-left:16px;padding-right:16px}
  .section{padding:58px 0}
  .section-head{margin-bottom:32px}
  .brand-text{font-size:.84rem;max-width:200px}
  .brand-text em{font-size:.63rem}
  .flash-inner{justify-content:flex-start}
  .scene-grid,.compare{grid-template-columns:1fr}
  .scene-card{flex-direction:column}
  .scene-card__thumb{width:100%;height:150px}
  .cta-panel{padding:26px 20px}
  .footer-bottom{flex-direction:column;align-items:flex-start}
}
@media (max-width:519px){
  .metrics,.feature-grid,.post-grid,.channel-grid,.roadmap{grid-template-columns:1fr}
  .hero h1{font-size:1.52rem}
  .hero-actions .btn{width:100%}
  .metric__num{font-size:1.7rem}
  .btn{padding:14px 22px}
  table.money-table th,table.money-table td{padding:12px 14px;font-size:.83rem}
  .fab{bottom:78px;padding:0 16px}
  .fab__txt{display:none}
}

/* roulang page: category2 */
:root{
  --bg-0:#030712;
  --bg-1:#061024;
  --bg-2:#0a1830;
  --glass:rgba(255,255,255,.045);
  --glass-2:rgba(255,255,255,.085);
  --stroke:rgba(56,189,248,.16);
  --stroke-2:rgba(56,189,248,.45);
  --blue:#2563EB;
  --cyan:#38BDF8;
  --aqua:#22D3EE;
  --gold:#FBBF24;
  --rose:#F43F5E;
  --text:#F8FAFC;
  --text-2:#AFC0D6;
  --text-3:#7B8CA6;
  --r-sm:12px;
  --r-md:18px;
  --r-lg:26px;
  --sh-card:0 22px 55px -30px rgba(2,8,23,.95);
  --sh-glow:0 0 0 1px rgba(56,189,248,.35),0 0 34px -8px rgba(37,99,235,.6);
  --ease:cubic-bezier(.22,.61,.36,1);
}
*{box-sizing:border-box}
html{-webkit-text-size-adjust:100%;scroll-behavior:smooth}
body{
  margin:0;
  font-family:'Be Vietnam Pro',-apple-system,BlinkMacSystemFont,'Segoe UI',Roboto,'Helvetica Neue',Arial,sans-serif;
  background:var(--bg-0);
  color:var(--text);
  font-size:16px;
  line-height:1.65;
  -webkit-font-smoothing:antialiased;
  overflow-x:hidden;
}
body::before{
  content:"";
  position:fixed;
  inset:0;
  z-index:-2;
  background:
    radial-gradient(900px 520px at 12% -8%, rgba(37,99,235,.30), transparent 62%),
    radial-gradient(780px 480px at 92% 6%, rgba(34,211,238,.18), transparent 60%),
    linear-gradient(180deg,#030712 0%,#061024 42%,#030712 100%);
}
body::after{
  content:"";
  position:fixed;
  inset:0;
  z-index:-1;
  background-image:
    linear-gradient(rgba(56,189,248,.055) 1px, transparent 1px),
    linear-gradient(90deg, rgba(56,189,248,.055) 1px, transparent 1px);
  background-size:64px 64px;
  mask-image:radial-gradient(circle at 50% 22%, rgba(0,0,0,.85), transparent 78%);
  -webkit-mask-image:radial-gradient(circle at 50% 22%, rgba(0,0,0,.85), transparent 78%);
  pointer-events:none;
}
img{max-width:100%;height:auto;display:block}
a{color:var(--cyan);text-decoration:none;transition:color .22s var(--ease)}
a:hover{color:#7dd3fc}
button{font-family:inherit}
.grid-container{max-width:1220px}
.section{padding:92px 0;position:relative}
.section--tight{padding:64px 0}
.section--alt{background:linear-gradient(180deg,rgba(10,24,48,.72),rgba(3,7,18,.15))}
.section--soft{background:linear-gradient(180deg,rgba(6,16,36,.5),rgba(3,7,18,.05))}
.section-head{max-width:780px;margin:0 0 44px}
.section-head--wide{max-width:900px}
.section-head h2{font-size:clamp(1.55rem,2.5vw,2.3rem);line-height:1.28;margin:18px 0 14px}
.section-head p{color:var(--text-2);font-size:1.02rem}
.eyebrow{
  display:inline-flex;align-items:center;gap:9px;
  font-size:.72rem;font-weight:600;letter-spacing:.16em;text-transform:uppercase;
  color:var(--cyan);background:var(--glass);border:1px solid var(--stroke);
  padding:7px 15px;border-radius:999px;
}
.eyebrow i{font-size:.75rem}
.eyebrow--gold{color:var(--gold);border-color:rgba(251,191,36,.32);background:rgba(251,191,36,.08)}
/* ===== HEADER ===== */
.site-header{
  position:sticky;top:0;z-index:900;
  background:rgba(4,11,26,.82);
  backdrop-filter:blur(16px);-webkit-backdrop-filter:blur(16px);
  border-bottom:1px solid rgba(56,189,248,.14);
}
.nav-wrap{display:flex;align-items:center;justify-content:space-between;gap:18px;min-height:74px;position:relative}
.brand{display:flex;align-items:center;gap:12px;text-decoration:none;flex-shrink:0}
.brand-mark{
  width:40px;height:40px;border-radius:13px;display:grid;place-items:center;flex-shrink:0;
  background:linear-gradient(135deg,var(--blue),var(--aqua));
  color:#04131f;font-size:1.05rem;font-weight:800;
  box-shadow:0 0 22px -4px rgba(34,211,238,.75);
}
.brand-text{font-size:.94rem;font-weight:700;line-height:1.15;color:var(--text);max-width:290px}
.brand-text em{display:block;font-style:normal;font-size:.7rem;font-weight:500;letter-spacing:.09em;text-transform:uppercase;color:var(--cyan)}
.main-nav{display:flex;align-items:center;gap:6px}
.main-nav a{
  display:block;padding:9px 14px;border-radius:999px;font-size:.87rem;font-weight:500;
  color:var(--text-2);white-space:nowrap;border:1px solid transparent;transition:all .22s var(--ease);
}
.main-nav a:hover{color:var(--text);background:rgba(56,189,248,.1);border-color:var(--stroke)}
.main-nav a.is-active{
  color:#04131f;font-weight:700;
  background:linear-gradient(135deg,var(--aqua),var(--cyan));
  box-shadow:0 0 20px -6px rgba(34,211,238,.85);
}
.nav-toggle{
  display:none;align-items:center;gap:8px;
  background:var(--glass);border:1px solid var(--stroke);color:var(--text);
  padding:9px 14px;border-radius:12px;font-size:.83rem;font-weight:600;cursor:pointer;
  transition:all .22s var(--ease);
}
.nav-toggle:hover{border-color:var(--stroke-2);background:rgba(56,189,248,.12)}
/* ===== BUTTONS ===== */
.btn{
  display:inline-flex;align-items:center;justify-content:center;gap:10px;
  padding:15px 28px;border-radius:999px;font-size:.94rem;font-weight:600;line-height:1;
  text-decoration:none;border:1px solid transparent;cursor:pointer;
  transition:transform .22s var(--ease),box-shadow .22s var(--ease),background .22s var(--ease),border-color .22s var(--ease);
}
.btn-primary{
  background:linear-gradient(135deg,var(--blue),var(--aqua));
  color:#031422;font-weight:700;
  box-shadow:0 12px 34px -12px rgba(37,99,235,.95);
}
.btn-primary:hover{transform:translateY(-3px);color:#031422;box-shadow:0 18px 44px -14px rgba(34,211,238,.95)}
.btn-primary:active{transform:translateY(-1px)}
.btn-ghost{
  background:var(--glass);border-color:var(--stroke);color:var(--text);
  backdrop-filter:blur(10px);
}
.btn-ghost:hover{border-color:var(--stroke-2);background:rgba(56,189,248,.12);color:var(--text);transform:translateY(-3px)}
.btn-sm{padding:11px 20px;font-size:.85rem}
/* ===== HERO (category variant) ===== */
.cat-hero{position:relative;overflow:hidden;padding:90px 0 78px;border-bottom:1px solid rgba(56,189,248,.12)}
.cat-hero-bg{position:absolute;inset:0;background-size:cover;background-position:center;opacity:.34;transform:scale(1.04)}
.cat-hero-veil{
  position:absolute;inset:0;
  background:
    linear-gradient(100deg,rgba(3,7,18,.96) 8%,rgba(6,16,36,.86) 48%,rgba(3,7,18,.74) 100%),
    radial-gradient(600px 400px at 82% 20%, rgba(37,99,235,.44), transparent 68%);
}
.cat-hero-inner{position:relative;z-index:2}
.cat-hero h1{font-size:clamp(1.9rem,3.6vw,3.05rem);line-height:1.2;margin:20px 0 18px;letter-spacing:-.01em}
.cat-hero h1 span{color:var(--cyan)}
.cat-hero-lead{color:var(--text-2);font-size:1.06rem;max-width:720px;line-height:1.7}
.cat-hero-actions{display:flex;flex-wrap:wrap;gap:14px;margin-top:30px}
.cat-hero-metrics{display:grid;grid-template-columns:repeat(3,1fr);gap:16px;margin-top:38px;max-width:720px}
.metric{
  background:var(--glass);border:1px solid var(--stroke);border-radius:var(--r-md);
  padding:18px 20px;backdrop-filter:blur(10px);
}
.metric strong{display:block;font-size:1.5rem;font-weight:800;color:var(--cyan);line-height:1.15}
.metric span{font-size:.8rem;color:var(--text-2)}
/* ===== PROGRESS RING (blueprint) ===== */
.ring-panel{
  background:linear-gradient(160deg,rgba(12,26,50,.9),rgba(6,16,36,.72));
  border:1px solid var(--stroke);border-radius:var(--r-lg);
  padding:28px 26px;backdrop-filter:blur(14px);box-shadow:var(--sh-card);
}
.ring-wrap{display:flex;align-items:center;gap:26px;flex-wrap:wrap}
.ring{
  position:relative;width:150px;height:150px;flex-shrink:0;border-radius:50%;
  background:conic-gradient(var(--cyan) 0deg 252deg, rgba(56,189,248,.14) 252deg 360deg);
  display:grid;place-items:center;
}
.ring::after{
  content:"";position:absolute;inset:13px;border-radius:50%;
  background:radial-gradient(circle at 50% 40%, rgba(8,18,38,.98), rgba(3,7,18,1));
  border:1px solid rgba(56,189,248,.22);
}
.ring-mid{position:relative;z-index:2;text-align:center}
.ring-mid strong{display:block;font-size:1.65rem;font-weight:800;color:var(--text);line-height:1}
.ring-mid span{font-size:.7rem;letter-spacing:.1em;text-transform:uppercase;color:var(--cyan)}
.ring-copy h3{font-size:1.15rem;margin:0 0 8px;font-weight:700}
.ring-copy p{color:var(--text-2);font-size:.93rem;margin:0 0 14px;line-height:1.6}
.ring-tiers{display:flex;flex-wrap:wrap;gap:9px}
.tier-chip{
  font-size:.76rem;font-weight:600;color:var(--text-2);
  background:var(--glass);border:1px solid var(--stroke);border-radius:999px;padding:6px 13px;
}
.tier-chip.is-live{color:#031422;background:linear-gradient(135deg,var(--aqua),var(--cyan));border-color:transparent;font-weight:700}
/* ===== MATRIX / SERVICE GRID ===== */
.matrix-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:20px}
.matrix-card{
  background:linear-gradient(180deg,rgba(12,26,50,.78),rgba(6,16,36,.55));
  border:1px solid var(--stroke);border-radius:var(--r-md);
  padding:26px 24px;position:relative;overflow:hidden;
  transition:transform .26s var(--ease),border-color .26s var(--ease),box-shadow .26s var(--ease);
}
.matrix-card::before{
  content:"";position:absolute;top:0;left:0;height:2px;width:100%;
  background:linear-gradient(90deg,var(--blue),var(--aqua));opacity:.5;
}
.matrix-card:hover{transform:translateY(-5px);border-color:var(--stroke-2);box-shadow:var(--sh-glow)}
.matrix-icon{
  width:48px;height:48px;border-radius:14px;display:grid;place-items:center;
  background:rgba(56,189,248,.12);border:1px solid var(--stroke);color:var(--cyan);font-size:1.1rem;
  margin-bottom:16px;
}
.matrix-card h3{font-size:1.08rem;margin:0 0 10px;font-weight:700}
.matrix-card p{color:var(--text-2);font-size:.93rem;margin:0 0 14px;line-height:1.65}
.matrix-list{list-style:none;margin:0;padding:0}
.matrix-list li{position:relative;padding-left:20px;font-size:.87rem;color:var(--text-2);margin-bottom:7px;line-height:1.5}
.matrix-list li::before{content:"⚡";position:absolute;left:0;top:0;font-size:.72rem;color:var(--gold)}
/* ===== COMPARE TABLE ===== */
.compare-wrap{
  border:1px solid var(--stroke);border-radius:var(--r-lg);overflow:hidden;
  background:linear-gradient(180deg,rgba(10,24,48,.62),rgba(3,7,18,.35));
}
.compare-head,.compare-row{display:grid;grid-template-columns:1.3fr 1fr 1fr}
.compare-head{
  background:rgba(37,99,235,.18);border-bottom:1px solid var(--stroke);
  font-size:.74rem;font-weight:700;letter-spacing:.12em;text-transform:uppercase;color:var(--cyan);
}
.compare-head span,.compare-row span{padding:16px 20px;border-right:1px solid rgba(56,189,248,.1)}
.compare-head span:last-child,.compare-row span:last-child{border-right:none}
.compare-row{border-bottom:1px solid rgba(56,189,248,.09);font-size:.92rem}
.compare-row:last-child{border-bottom:none}
.compare-row span:first-child{color:var(--text);font-weight:600}
.compare-row .good{color:#86efac}
.compare-row .bad{color:#fda4b8}
/* ===== MILESTONE TIMELINE ===== */
.timeline{position:relative;margin:0;padding:0 0 0 30px;list-style:none}
.timeline::before{
  content:"";position:absolute;left:8px;top:6px;bottom:6px;width:2px;
  background:linear-gradient(180deg,var(--aqua),rgba(37,99,235,.1));
}
.timeline li{position:relative;padding:0 0 26px 12px}
.timeline li:last-child{padding-bottom:0}
.timeline li::before{
  content:"";position:absolute;left:-30px;top:6px;width:16px;height:16px;border-radius:50%;
  background:var(--bg-1);border:2px solid var(--cyan);box-shadow:0 0 0 4px rgba(56,189,248,.1);
}
.timeline h4{font-size:1rem;margin:0 0 6px;font-weight:700}
.timeline p{color:var(--text-2);font-size:.92rem;margin:0;line-height:1.6}
.timeline-tag{font-size:.72rem;font-weight:700;letter-spacing:.1em;text-transform:uppercase;color:var(--gold);display:block;margin-bottom:4px}
/* ===== NEWS LIST ===== */
.news-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:22px}
.news-card{
  display:flex;flex-direction:column;
  background:linear-gradient(180deg,rgba(12,26,50,.72),rgba(6,16,36,.5));
  border:1px solid var(--stroke);border-radius:var(--r-md);overflow:hidden;
  transition:transform .26s var(--ease),border-color .26s var(--ease),box-shadow .26s var(--ease);
}
.news-card:hover{transform:translateY(-5px);border-color:var(--stroke-2);box-shadow:var(--sh-glow)}
.news-thumb{aspect-ratio:16/10;overflow:hidden;border-bottom:1px solid var(--stroke)}
.news-thumb img{width:100%;height:100%;object-fit:cover;transition:transform .45s var(--ease)}
.news-card:hover .news-thumb img{transform:scale(1.06)}
.news-body{padding:20px 22px 22px;display:flex;flex-direction:column;flex:1}
.news-meta{display:flex;align-items:center;gap:10px;font-size:.74rem;color:var(--text-3);margin-bottom:10px;flex-wrap:wrap}
.news-meta .tag{color:var(--cyan);background:rgba(56,189,248,.1);border:1px solid var(--stroke);border-radius:999px;padding:3px 11px;font-weight:600}
.news-body h3{font-size:1.02rem;margin:0 0 10px;font-weight:700;line-height:1.4}
.news-body h3 a{color:var(--text)}
.news-body h3 a:hover{color:var(--cyan)}
.news-body p{color:var(--text-2);font-size:.9rem;margin:0 0 16px;line-height:1.6;flex:1}
.news-more{font-size:.85rem;font-weight:600;color:var(--cyan);display:inline-flex;align-items:center;gap:7px}
.news-empty{
  text-align:center;color:var(--text-2);padding:46px 20px;border:1px dashed var(--stroke);
  border-radius:var(--r-md);background:var(--glass);font-size:.95rem;
}
/* ===== GUARANTEE ===== */
.guarantee-grid{display:grid;grid-template-columns:repeat(4,1fr);gap:18px}
.guarantee-item{
  background:var(--glass);border:1px solid var(--stroke);border-radius:var(--r-md);
  padding:24px 20px;text-align:left;
  transition:border-color .24s var(--ease),background .24s var(--ease);
}
.guarantee-item:hover{border-color:var(--stroke-2);background:rgba(56,189,248,.07)}
.guarantee-item i{color:var(--cyan);font-size:1.25rem;margin-bottom:12px;display:block}
.guarantee-item h4{font-size:.98rem;margin:0 0 8px;font-weight:700}
.guarantee-item p{font-size:.86rem;color:var(--text-2);margin:0;line-height:1.55}
/* ===== QUICK ANSWERS ===== */
.qa-list{display:grid;grid-template-columns:1fr 1fr;gap:20px}
.qa-item{
  border-left:3px solid var(--cyan);background:var(--glass);
  border-radius:0 var(--r-sm) var(--r-sm) 0;padding:20px 22px;
}
.qa-item h4{font-size:.98rem;margin:0 0 8px;font-weight:700;color:var(--text)}
.qa-item p{font-size:.9rem;color:var(--text-2);margin:0;line-height:1.62}
/* ===== FAQ ===== */
.faq-item{
  border:1px solid var(--stroke);border-radius:var(--r-md);
  background:linear-gradient(180deg,rgba(12,26,50,.6),rgba(6,16,36,.4));
  margin-bottom:14px;overflow:hidden;transition:border-color .24s var(--ease);
}
.faq-item[open]{border-color:var(--stroke-2)}
.faq-item summary{
  cursor:pointer;list-style:none;padding:20px 56px 20px 22px;position:relative;
  font-size:1rem;font-weight:600;color:var(--text);
}
.faq-item summary::-webkit-details-marker{display:none}
.faq-item summary::after{
  content:"\f067";font-family:"Font Awesome 6 Free";font-weight:900;font-size:.78rem;
  position:absolute;right:22px;top:50%;transform:translateY(-50%);
  width:28px;height:28px;border-radius:50%;display:grid;place-items:center;
  background:rgba(56,189,248,.12);border:1px solid var(--stroke);color:var(--cyan);
  transition:transform .28s var(--ease);
}
.faq-item[open] summary::after{content:"\f068";transform:translateY(-50%) rotate(180deg)}
.faq-item p{margin:0;padding:0 22px 20px;color:var(--text-2);font-size:.93rem;line-height:1.68}
/* ===== CTA FORM ===== */
.cta-panel{
  position:relative;overflow:hidden;
  background:linear-gradient(120deg,rgba(37,99,235,.24),rgba(6,16,36,.85));
  border:1px solid var(--stroke-2);border-radius:var(--r-lg);
  padding:44px 40px;box-shadow:var(--sh-card);
}
.cta-panel h2{font-size:clamp(1.5rem,2.6vw,2.15rem);margin:16px 0 14px;line-height:1.28}
.cta-panel p{color:var(--text-2);font-size:1rem;max-width:640px;line-height:1.7}
.cta-form{display:grid;grid-template-columns:1fr 1fr;gap:16px;margin-top:26px}
.form-field{display:flex;flex-direction:column;gap:7px}
.form-field label{font-size:.78rem;font-weight:600;letter-spacing:.06em;text-transform:uppercase;color:var(--text-3)}
.form-field input,.form-field select,.form-field textarea{
  background:rgba(3,7,18,.6);border:1px solid var(--stroke);border-radius:var(--r-sm);
  color:var(--text);padding:13px 15px;font-size:.92rem;font-family:inherit;width:100%;
  transition:border-color .22s var(--ease),box-shadow .22s var(--ease);
}
.form-field input:focus,.form-field select:focus,.form-field textarea:focus{
  outline:none;border-color:var(--stroke-2);box-shadow:0 0 0 3px rgba(56,189,248,.16);
}
.form-field--full{grid-column:1 / -1}
.cta-form .btn{justify-self:start}
.cta-note{font-size:.82rem;color:var(--text-3);margin-top:16px}
/* ===== FAB ===== */
.fab{
  position:fixed;left:16px;bottom:96px;z-index:50;
  width:56px;height:56px;border-radius:50%;display:grid;place-items:center;
  background:rgba(7,7,13,.82);backdrop-filter:blur(12px);
  border:2px solid transparent;
  background-clip:padding-box;
  color:var(--cyan);font-size:1.15rem;text-decoration:none;
  box-shadow:0 0 22px rgba(34,211,238,.45);
  opacity:.78;transition:transform .28s var(--ease),opacity .28s var(--ease),box-shadow .28s var(--ease);
}
.fab::before{
  content:"";position:absolute;inset:-2px;border-radius:50%;z-index:-1;
  background:linear-gradient(135deg,var(--aqua),var(--blue));
}
.fab:hover{opacity:1;transform:scale(1.08);box-shadow:0 0 32px rgba(34,211,238,.75);color:#fff}
.fab:active{transform:scale(.95)}
.fab-dot{
  position:absolute;top:-2px;right:-2px;width:13px;height:13px;border-radius:50%;
  background:var(--rose);border:2px solid #fff;
}
/* ===== FOOTER ===== */
.site-footer{position:relative;margin-top:20px;background:linear-gradient(180deg,rgba(6,16,36,.7),rgba(3,7,18,.96));border-top:1px solid rgba(56,189,248,.14)}
.footer-top{padding:64px 0 40px}
.foot-brand{display:flex;align-items:center;gap:12px;margin-bottom:16px}
.logo-mark{width:40px;height:40px;border-radius:13px;display:grid;place-items:center;background:linear-gradient(135deg,var(--blue),var(--aqua));color:#04131f;font-size:1rem;flex-shrink:0}
.logo-text{font-size:.92rem;font-weight:700;line-height:1.25;color:var(--text)}
.foot-about{color:var(--text-2);font-size:.9rem;line-height:1.68;margin:0 0 18px}
.foot-badges{display:flex;flex-wrap:wrap;gap:9px}
.badge-18{font-size:.72rem;font-weight:700;color:#fda4b8;background:rgba(244,63,94,.14);border:1px solid rgba(244,63,94,.4);border-radius:8px;padding:4px 10px}
.foot-badge{font-size:.72rem;color:var(--text-2);background:var(--glass);border:1px solid var(--stroke);border-radius:8px;padding:4px 10px}
.foot-title{font-size:.82rem;font-weight:700;letter-spacing:.1em;text-transform:uppercase;color:var(--cyan);margin:0 0 16px}
.foot-links{list-style:none;margin:0;padding:0}
.foot-links li{margin-bottom:10px}
.foot-links a{color:var(--text-2);font-size:.9rem}
.foot-links a:hover{color:var(--cyan)}
.foot-links--plain li{display:flex;align-items:center;gap:9px;color:var(--text-2);font-size:.88rem}
.foot-links--plain i{color:var(--cyan);width:16px}
.foot-pay{display:flex;flex-wrap:wrap;gap:8px;margin-top:16px}
.foot-pay span{font-size:.74rem;font-weight:600;color:var(--text-2);background:var(--glass);border:1px solid var(--stroke);border-radius:7px;padding:5px 11px}
.footer-divider{height:1px;background:linear-gradient(90deg,transparent,rgba(56,189,248,.3),transparent)}
.footer-bottom{padding:24px 0 32px}
.footer-bottom p{margin:0;color:var(--text-3);font-size:.82rem;line-height:1.6}
/* ===== RESPONSIVE ===== */
@media screen and (max-width:1024px){
  .section{padding:74px 0}
  .matrix-grid{grid-template-columns:repeat(2,1fr)}
  .news-grid{grid-template-columns:repeat(2,1fr)}
  .guarantee-grid{grid-template-columns:repeat(2,1fr)}
  .compare-head,.compare-row{grid-template-columns:1.2fr 1fr 1fr}
}
@media screen and (max-width:768px){
  .nav-toggle{display:inline-flex}
  .main-nav{
    position:absolute;top:calc(100% + 10px);left:0;right:0;
    flex-direction:column;align-items:stretch;gap:4px;
    background:rgba(4,11,26,.98);border:1px solid var(--stroke);border-radius:var(--r-md);
    padding:12px;backdrop-filter:blur(18px);box-shadow:var(--sh-card);
    display:none;
  }
  .main-nav.is-open{display:flex}
  .main-nav a{padding:12px 14px}
  .cat-hero{padding:64px 0 56px}
  .cat-hero-metrics{grid-template-columns:1fr;max-width:420px}
  .qa-list{grid-template-columns:1fr}
  .cta-form{grid-template-columns:1fr}
  .cta-panel{padding:32px 24px}
  .ring-wrap{gap:20px}
}
@media screen and (max-width:520px){
  body{font-size:15px}
  .brand-text{font-size:.82rem;max-width:190px}
  .matrix-grid,.news-grid,.guarantee-grid{grid-template-columns:1fr}
  .compare-head,.compare-row{grid-template-columns:1fr;gap:0}
  .compare-head span:nth-child(2),.compare-head span:nth-child(3){display:none}
  .compare-row span{padding:10px 16px;border-right:none;border-bottom:1px solid rgba(56,189,248,.08)}
  .compare-row span:first-child{background:rgba(37,99,235,.1)}
  .cat-hero h1{font-size:1.65rem}
  .cta-panel{padding:26px 18px}
  .fab{left:12px;bottom:84px;width:52px;height:52px}
}

/* roulang page: category3 */
:root{
  --bg-0:#030712;
  --bg-1:#061024;
  --bg-2:#0a1830;
  --glass:rgba(255,255,255,.045);
  --glass-2:rgba(255,255,255,.085);
  --stroke:rgba(56,189,248,.16);
  --stroke-2:rgba(56,189,248,.45);
  --blue:#2563EB;
  --cyan:#38BDF8;
  --aqua:#22D3EE;
  --gold:#FBBF24;
  --rose:#F43F5E;
  --text:#F8FAFC;
  --text-2:#AFC0D6;
  --text-3:#7B8CA6;
  --r-sm:12px;
  --r-md:18px;
  --r-lg:26px;
  --sh-card:0 22px 55px -30px rgba(2,8,23,.95);
  --sh-glow:0 0 0 1px rgba(56,189,248,.35),0 0 34px -8px rgba(37,99,235,.6);
  --ease:cubic-bezier(.22,.61,.36,1);
}
html{-webkit-text-size-adjust:100%;scroll-behavior:smooth}
body{
  margin:0;
  font-family:'Be Vietnam Pro',-apple-system,BlinkMacSystemFont,'Segoe UI',Roboto,'Helvetica Neue',Arial,sans-serif;
  background:var(--bg-0);
  color:var(--text);
  font-size:16px;
  line-height:1.65;
  -webkit-font-smoothing:antialiased;
  overflow-x:hidden;
}
body::before{
  content:"";
  position:fixed;inset:0;z-index:-2;
  background:
    radial-gradient(900px 520px at 12% -8%, rgba(37,99,235,.30), transparent 62%),
    radial-gradient(780px 480px at 92% 6%, rgba(34,211,238,.18), transparent 60%),
    linear-gradient(180deg,#030712 0%,#061024 42%,#030712 100%);
}
body::after{
  content:"";
  position:fixed;inset:0;z-index:-1;
  background-image:
    linear-gradient(rgba(56,189,248,.055) 1px, transparent 1px),
    linear-gradient(90deg, rgba(56,189,248,.055) 1px, transparent 1px);
  background-size:64px 64px;
  mask-image:radial-gradient(circle at 50% 22%, rgba(0,0,0,.85), transparent 78%);
  -webkit-mask-image:radial-gradient(circle at 50% 22%, rgba(0,0,0,.85), transparent 78%);
  pointer-events:none;
}
img{max-width:100%;height:auto;display:block}
a{color:var(--cyan);text-decoration:none;transition:color .22s var(--ease)}
a:hover{color:#7dd3fc}
button{font-family:inherit}
.grid-container{max-width:1220px}
.section{padding:92px 0;position:relative}
.section--tight{padding:64px 0}
.section--alt{background:linear-gradient(180deg,rgba(10,24,48,.72),rgba(3,7,18,.15))}
.section--soft{background:linear-gradient(180deg,rgba(6,16,36,.5),rgba(3,7,18,.05))}
.section-head{max-width:780px;margin:0 0 44px}
.section-head--wide{max-width:900px}
.section-head h2{font-size:clamp(1.55rem,2.5vw,2.3rem);line-height:1.28;margin:18px 0 14px}
.section-head p{color:var(--text-2);font-size:1.02rem}
.eyebrow{
  display:inline-flex;align-items:center;gap:9px;
  font-size:.72rem;font-weight:600;letter-spacing:.16em;text-transform:uppercase;
  color:var(--cyan);background:var(--glass);border:1px solid var(--stroke);
  padding:7px 15px;border-radius:999px;
}
.eyebrow i{font-size:.75rem}
.eyebrow--gold{color:var(--gold);border-color:rgba(251,191,36,.32);background:rgba(251,191,36,.08)}
/* ===== HEADER ===== */
.site-header{
  position:sticky;top:0;z-index:900;
  background:rgba(4,11,26,.82);
  backdrop-filter:blur(16px);-webkit-backdrop-filter:blur(16px);
  border-bottom:1px solid rgba(56,189,248,.14);
}
.nav-wrap{display:flex;align-items:center;justify-content:space-between;gap:18px;min-height:74px;position:relative}
.brand{display:flex;align-items:center;gap:12px;text-decoration:none;flex-shrink:0}
.brand-mark{
  width:40px;height:40px;border-radius:13px;display:grid;place-items:center;flex-shrink:0;
  background:linear-gradient(135deg,var(--blue),var(--aqua));
  color:#04131f;font-size:1.05rem;font-weight:800;
  box-shadow:0 0 22px -4px rgba(34,211,238,.75);
}
.brand-text{font-size:.94rem;font-weight:700;line-height:1.15;color:var(--text);max-width:290px}
.brand-text em{display:block;font-style:normal;font-size:.7rem;font-weight:500;letter-spacing:.09em;text-transform:uppercase;color:var(--cyan)}
.main-nav{display:flex;align-items:center;gap:6px}
.main-nav a{
  display:block;padding:9px 14px;border-radius:999px;font-size:.87rem;font-weight:500;
  color:var(--text-2);white-space:nowrap;border:1px solid transparent;transition:all .22s var(--ease);
}
.main-nav a:hover{color:var(--text);background:rgba(56,189,248,.1);border-color:var(--stroke)}
.main-nav a.is-active{
  color:#04131f;font-weight:700;
  background:linear-gradient(135deg,var(--aqua),var(--cyan));
  box-shadow:0 0 20px -6px rgba(34,211,238,.85);
}
.nav-toggle{
  display:none;align-items:center;gap:8px;
  background:var(--glass);border:1px solid var(--stroke);color:var(--text);
  padding:9px 14px;border-radius:12px;font-size:.83rem;font-weight:600;cursor:pointer;
  transition:all .22s var(--ease);
}
.nav-toggle:hover{border-color:var(--stroke-2);background:rgba(56,189,248,.12)}
/* ===== BUTTONS ===== */
.btn{
  display:inline-flex;align-items:center;justify-content:center;gap:10px;
  padding:15px 28px;border-radius:999px;font-size:.94rem;font-weight:600;line-height:1;
  text-decoration:none;border:1px solid transparent;cursor:pointer;
  transition:transform .22s var(--ease),box-shadow .22s var(--ease),background .22s var(--ease),border-color .22s var(--ease);
}
.btn-primary{
  background:linear-gradient(135deg,var(--blue),var(--aqua));
  color:#031422;font-weight:700;
  box-shadow:0 12px 34px -12px rgba(37,99,235,.95);
}
.btn-primary:hover{transform:translateY(-3px);color:#031422;box-shadow:0 18px 44px -14px rgba(34,211,238,.95)}
.btn-primary:active{transform:translateY(-1px)}
.btn-ghost{
  background:var(--glass);border-color:var(--stroke);color:var(--text);
  backdrop-filter:blur(10px);
}
.btn-ghost:hover{border-color:var(--stroke-2);background:rgba(56,189,248,.12);color:var(--text);transform:translateY(-3px)}
.btn-sm{padding:11px 20px;font-size:.85rem}
/* ===== CATEGORY HERO ===== */
.cat-hero{position:relative;overflow:hidden;padding:88px 0 76px;border-bottom:1px solid rgba(56,189,248,.12)}
.cat-hero-bg{position:absolute;inset:0;background-size:cover;background-position:center;opacity:.32;transform:scale(1.04)}
.cat-hero-veil{
  position:absolute;inset:0;
  background:
    linear-gradient(100deg,rgba(3,7,18,.96) 6%,rgba(6,16,36,.86) 48%,rgba(3,7,18,.7) 100%),
    radial-gradient(620px 420px at 82% 24%, rgba(37,99,235,.45), transparent 68%);
}
.cat-hero-inner{position:relative;z-index:2}
.cat-hero-grid{display:grid;grid-template-columns:1.15fr .85fr;gap:48px;align-items:center}
.cat-tag{
  display:inline-flex;align-items:center;gap:9px;
  background:rgba(244,63,94,.14);border:1px solid rgba(244,63,94,.42);
  color:#fda4b8;font-size:.72rem;font-weight:700;letter-spacing:.14em;text-transform:uppercase;
  padding:8px 16px;border-radius:999px;margin-bottom:20px;
}
.cat-tag i{color:var(--rose)}
.cat-hero h1{
  font-size:clamp(1.75rem,3.4vw,2.9rem);line-height:1.22;font-weight:800;
  margin:0 0 18px;color:#fff;
}
.cat-hero h1 span{
  background:linear-gradient(120deg,var(--cyan),var(--aqua));
  -webkit-background-clip:text;background-clip:text;color:transparent;
}
.cat-hero p.lead{font-size:1.06rem;color:var(--text-2);max-width:640px;margin-bottom:26px}
.cat-hero-actions{display:flex;flex-wrap:wrap;gap:14px}
.cat-hero-stats{display:flex;flex-wrap:wrap;gap:26px;margin-top:34px;padding-top:26px;border-top:1px dashed rgba(56,189,248,.22)}
.cat-stat b{display:block;font-size:1.55rem;font-weight:800;color:var(--cyan);line-height:1.1}
.cat-stat span{font-size:.8rem;color:var(--text-3)}
/* Glass panel */
.glass-panel{
  background:var(--glass);border:1px solid var(--stroke);border-radius:var(--r-lg);
  padding:26px;backdrop-filter:blur(14px);-webkit-backdrop-filter:blur(14px);
  box-shadow:var(--sh-card);
}
.panel-img{border-radius:var(--r-md);overflow:hidden;border:1px solid var(--stroke);margin-bottom:18px}
.panel-title{font-size:1rem;font-weight:700;margin:0 0 14px;color:#fff;display:flex;align-items:center;gap:10px}
.panel-title i{color:var(--gold)}
.panel-list{list-style:none;margin:0;padding:0;display:grid;gap:12px}
.panel-list li{display:flex;gap:12px;align-items:flex-start;font-size:.9rem;color:var(--text-2)}
.panel-list i{color:var(--aqua);margin-top:4px;font-size:.85rem}
/* ===== METRIC BOARD ===== */
.metric-grid{display:grid;grid-template-columns:repeat(4,1fr);gap:20px}
.metric-card{
  background:var(--glass);border:1px solid var(--stroke);border-radius:var(--r-md);
  padding:26px 22px;position:relative;overflow:hidden;transition:all .28s var(--ease);
}
.metric-card::after{
  content:"";position:absolute;left:0;top:0;height:3px;width:100%;
  background:linear-gradient(90deg,var(--blue),var(--aqua),transparent);
}
.metric-card:hover{transform:translateY(-5px);border-color:var(--stroke-2);box-shadow:var(--sh-glow)}
.metric-card i{font-size:1.3rem;color:var(--cyan);margin-bottom:14px;display:block}
.metric-card b{display:block;font-size:1.85rem;font-weight:800;color:#fff;line-height:1.1}
.metric-card span{font-size:.85rem;color:var(--text-3);display:block;margin-top:6px}
/* ===== SERVICE MATRIX ===== */
.matrix-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:22px}
.matrix-card{
  background:linear-gradient(160deg,rgba(10,24,48,.9),rgba(6,16,36,.55));
  border:1px solid var(--stroke);border-radius:var(--r-md);padding:28px 24px;
  display:flex;flex-direction:column;gap:14px;transition:all .28s var(--ease);position:relative;overflow:hidden;
}
.matrix-card:hover{border-color:var(--stroke-2);transform:translateY(-6px);box-shadow:var(--sh-glow)}
.matrix-card .mck{font-size:.72rem;letter-spacing:.14em;text-transform:uppercase;color:var(--gold);font-weight:700}
.matrix-card h3{font-size:1.08rem;margin:0;color:#fff;font-weight:700;line-height:1.35}
.matrix-card p{font-size:.9rem;color:var(--text-2);margin:0}
.matrix-card .mci{width:46px;height:46px;border-radius:14px;display:grid;place-items:center;background:rgba(56,189,248,.12);border:1px solid var(--stroke);color:var(--cyan);font-size:1.05rem}
.tag-row{display:flex;flex-wrap:wrap;gap:8px;margin-top:auto}
.tag{
  font-size:.72rem;font-weight:600;color:var(--cyan);
  background:rgba(56,189,248,.08);border:1px solid var(--stroke);
  padding:5px 11px;border-radius:999px;
}
.tag--gold{color:var(--gold);background:rgba(251,191,36,.09);border-color:rgba(251,191,36,.3)}
.tag--rose{color:#fda4b8;background:rgba(244,63,94,.1);border-color:rgba(244,63,94,.32)}
/* ===== COMPARE ===== */
.compare-grid{display:grid;grid-template-columns:1fr 1fr;gap:24px}
.compare-col{border-radius:var(--r-md);padding:26px;border:1px solid var(--stroke);background:var(--glass)}
.compare-col--bad{border-color:rgba(244,63,94,.3);background:rgba(244,63,94,.05)}
.compare-col--good{border-color:rgba(34,211,238,.35);background:rgba(34,211,238,.05)}
.compare-col h3{display:flex;align-items:center;gap:10px;font-size:1.02rem;margin:0 0 16px;color:#fff}
.compare-col--bad h3 i{color:var(--rose)}
.compare-col--good h3 i{color:var(--aqua)}
.compare-col ul{list-style:none;margin:0;padding:0;display:grid;gap:12px}
.compare-col li{display:flex;gap:11px;font-size:.9rem;color:var(--text-2);align-items:flex-start}
.compare-col--bad li i{color:var(--rose);margin-top:4px}
.compare-col--good li i{color:var(--aqua);margin-top:4px}
/* ===== TIMELINE ===== */
.timeline{position:relative;padding-left:34px;margin-top:8px}
.timeline::before{content:"";position:absolute;left:9px;top:6px;bottom:6px;width:2px;background:linear-gradient(180deg,var(--cyan),rgba(37,99,235,.15))}
.tl-item{position:relative;padding-bottom:30px}
.tl-item:last-child{padding-bottom:0}
.tl-item::before{
  content:"";position:absolute;left:-33px;top:5px;width:16px;height:16px;border-radius:50%;
  background:var(--bg-0);border:2px solid var(--cyan);box-shadow:0 0 14px -2px rgba(34,211,238,.9);
}
.tl-item h3{font-size:1rem;margin:0 0 8px;color:#fff;font-weight:700}
.tl-item p{font-size:.9rem;color:var(--text-2);margin:0}
.tl-item .tl-badge{font-size:.7rem;color:var(--gold);letter-spacing:.12em;text-transform:uppercase;font-weight:700}
/* ===== SCENARIO / IMAGE + TEXT ===== */
.split{display:grid;grid-template-columns:1fr 1fr;gap:44px;align-items:center}
.split-img{border-radius:var(--r-lg);overflow:hidden;border:1px solid var(--stroke);box-shadow:var(--sh-card);position:relative}
.split-img img{width:100%;display:block}
.split-body h2{font-size:clamp(1.4rem,2.2vw,2rem);line-height:1.3;margin:16px 0 14px}
.split-body p{color:var(--text-2);font-size:.98rem}
.split-body ul{list-style:none;margin:20px 0 0;padding:0;display:grid;gap:12px}
.split-body ul li{display:flex;gap:11px;font-size:.92rem;color:var(--text-2);align-items:flex-start}
.split-body ul li i{color:var(--cyan);margin-top:4px}
/* ===== FAQ ===== */
.faq-grid{display:grid;grid-template-columns:1fr;gap:14px;max-width:900px}
.faq-item{
  background:var(--glass);border:1px solid var(--stroke);border-radius:var(--r-md);
  overflow:hidden;transition:all .25s var(--ease);
}
.faq-item[open]{border-color:var(--stroke-2);box-shadow:var(--sh-glow)}
.faq-item summary{
  list-style:none;cursor:pointer;padding:20px 24px;font-size:.98rem;font-weight:600;color:#fff;
  display:flex;justify-content:space-between;align-items:center;gap:16px;
}
.faq-item summary::-webkit-details-marker{display:none}
.faq-item summary i{color:var(--cyan);transition:transform .25s var(--ease)}
.faq-item[open] summary i{transform:rotate(180deg)}
.faq-item p{margin:0;padding:0 24px 22px;color:var(--text-2);font-size:.92rem}
/* ===== CTA ===== */
.cta-band{
  border-radius:var(--r-lg);padding:44px 40px;position:relative;overflow:hidden;
  background:linear-gradient(120deg,rgba(37,99,235,.28),rgba(34,211,238,.18));
  border:1px solid var(--stroke-2);display:grid;grid-template-columns:1.4fr .6fr;gap:28px;align-items:center;
}
.cta-band h2{font-size:clamp(1.4rem,2.4vw,2rem);margin:0 0 12px;color:#fff;line-height:1.3}
.cta-band p{color:var(--text-2);margin:0 0 20px;font-size:.96rem}
.cta-band .cta-actions{display:flex;flex-wrap:wrap;gap:14px}
.cta-side{text-align:right}
.cta-side .cta-stat{font-size:2.4rem;font-weight:800;color:#fff;line-height:1}
.cta-side span{font-size:.82rem;color:var(--text-2);display:block;margin-top:6px}
/* ===== INFO LIST ===== */
.news-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:22px}
.news-card{
  background:var(--glass);border:1px solid var(--stroke);border-radius:var(--r-md);
  overflow:hidden;display:flex;flex-direction:column;transition:all .28s var(--ease);
}
.news-card:hover{transform:translateY(-6px);border-color:var(--stroke-2);box-shadow:var(--sh-glow)}
.news-thumb{aspect-ratio:16/9;overflow:hidden;border-bottom:1px solid var(--stroke)}
.news-thumb img{width:100%;height:100%;object-fit:cover;transition:transform .4s var(--ease)}
.news-card:hover .news-thumb img{transform:scale(1.06)}
.news-body{padding:20px;display:flex;flex-direction:column;gap:10px;flex:1}
.news-meta{display:flex;gap:12px;font-size:.74rem;color:var(--text-3)}
.news-meta .cat{color:var(--cyan)}
.news-body h3{font-size:1rem;margin:0;line-height:1.4;font-weight:700}
.news-body h3 a{color:#fff}
.news-body h3 a:hover{color:var(--cyan)}
.news-body p{font-size:.87rem;color:var(--text-2);margin:0;flex:1}
.news-more{font-size:.82rem;font-weight:600;color:var(--cyan);display:inline-flex;align-items:center;gap:7px}
.empty-note{color:var(--text-2);font-size:.95rem;padding:20px 0}
/* ===== FOOTER ===== */
.site-footer{background:linear-gradient(180deg,rgba(6,16,36,.9),rgba(3,7,18,1));border-top:1px solid rgba(56,189,248,.14);padding:64px 0 28px;margin-top:0}
.footer-top{padding-bottom:34px}
.foot-brand{display:flex;align-items:center;gap:12px;margin-bottom:16px}
.logo-mark{width:42px;height:42px;border-radius:13px;display:grid;place-items:center;background:linear-gradient(135deg,var(--blue),var(--aqua));color:#04131f;font-size:1.1rem}
.logo-text{font-size:.92rem;font-weight:700;color:#fff;line-height:1.25}
.foot-about{font-size:.87rem;color:var(--text-2);max-width:420px;margin:0 0 18px}
.foot-badges{display:flex;flex-wrap:wrap;gap:10px}
.badge-18{font-size:.74rem;font-weight:700;color:#fda4b8;border:1px solid rgba(244,63,94,.4);background:rgba(244,63,94,.1);padding:5px 11px;border-radius:8px}
.foot-badge{font-size:.74rem;color:var(--text-2);border:1px solid var(--stroke);background:var(--glass);padding:5px 11px;border-radius:8px}
.foot-title{font-size:.85rem;font-weight:700;color:#fff;letter-spacing:.06em;text-transform:uppercase;margin:0 0 16px}
.foot-links{list-style:none;margin:0;padding:0;display:grid;gap:11px}
.foot-links a{font-size:.86rem;color:var(--text-2)}
.foot-links a:hover{color:var(--cyan)}
.foot-links--plain li{font-size:.85rem;color:var(--text-2);display:flex;gap:10px;align-items:center}
.foot-links--plain i{color:var(--cyan);font-size:.8rem;width:14px}
.foot-pay{display:flex;flex-wrap:wrap;gap:8px;margin-top:16px}
.foot-pay span{font-size:.72rem;color:var(--text-2);border:1px solid var(--stroke);background:var(--glass);padding:4px 10px;border-radius:7px}
.footer-divider{height:1px;background:linear-gradient(90deg,transparent,rgba(56,189,248,.3),transparent)}
.footer-bottom{padding-top:22px;display:flex;justify-content:space-between;gap:14px;flex-wrap:wrap}
.footer-bottom p{margin:0;font-size:.8rem;color:var(--text-3)}
/* ===== FAB ===== */
.fab{
  position:fixed;left:16px;bottom:96px;z-index:950;width:56px;height:56px;border-radius:50%;
  display:grid;place-items:center;cursor:pointer;
  background:rgba(7,7,13,.82);backdrop-filter:blur(12px);-webkit-backdrop-filter:blur(12px);
  border:2px solid transparent;
  background-image:linear-gradient(rgba(7,7,13,.85),rgba(7,7,13,.85)),linear-gradient(135deg,var(--cyan),var(--blue));
  background-origin:border-box;background-clip:padding-box,border-box;
  color:var(--cyan);font-size:1.15rem;
  box-shadow:0 0 20px rgba(6,182,212,.45);opacity:.85;
  transition:all .28s var(--ease);animation:fabPulse 3s ease-in-out infinite;
}
.fab:hover{opacity:1;transform:scale(1.1);box-shadow:0 0 34px rgba(6,182,212,.75)}
.fab:active{transform:scale(.95) translateY(2px)}
.fab .fab-dot{position:absolute;top:2px;right:2px;width:12px;height:12px;border-radius:50%;background:var(--rose);border:2px solid #fff;animation:dotPulse 1.6s infinite}
@keyframes fabPulse{0%,100%{box-shadow:0 0 18px rgba(6,182,212,.4)}50%{box-shadow:0 0 30px rgba(6,182,212,.75)}}
@keyframes dotPulse{0%,100%{transform:scale(1);opacity:1}50%{transform:scale(1.25);opacity:.75}}
/* ===== RESPONSIVE ===== */
@media screen and (max-width:1024px){
  .cat-hero-grid{grid-template-columns:1fr;gap:34px}
  .metric-grid{grid-template-columns:repeat(2,1fr)}
  .matrix-grid{grid-template-columns:repeat(2,1fr)}
  .news-grid{grid-template-columns:repeat(2,1fr)}
  .cta-band{grid-template-columns:1fr}
  .cta-side{text-align:left}
}
@media screen and (max-width:860px){
  .nav-toggle{display:inline-flex}
  .main-nav{
    display:none;position:absolute;top:calc(100% + 10px);left:0;right:0;
    flex-direction:column;align-items:stretch;gap:4px;
    background:rgba(4,11,26,.98);border:1px solid var(--stroke);border-radius:var(--r-md);
    padding:14px;box-shadow:var(--sh-card);backdrop-filter:blur(16px);
  }
  .main-nav.is-open{display:flex}
  .main-nav a{padding:12px 14px;font-size:.9rem}
  .brand-text{font-size:.85rem;max-width:200px}
  .split{grid-template-columns:1fr;gap:28px}
  .compare-grid{grid-template-columns:1fr}
  .section{padding:70px 0}
}
@media screen and (max-width:520px){
  .metric-grid,.matrix-grid,.news-grid{grid-template-columns:1fr}
  .cat-hero{padding:64px 0 56px}
  .cat-hero-actions .btn{width:100%}
  .cta-band{padding:30px 22px}
  .fab{left:12px;bottom:84px;width:52px;height:52px}
  .cat-hero-stats{gap:18px}
  .footer-bottom{flex-direction:column}
}
/* ====== 修复 4 列卡片文字重叠溢出问题 ====== */

/* 1. 找到该区域的网格容器，改为标准的 4 列自适应网格 */
section:has(.tag), 
.grid, 
div:has(> div:contains("Kẹt nọc vòng 2")) {
    display: grid !important;
    grid-template-columns: repeat(auto-fit, minmax(240px, 1fr)) !important;
    gap: 16px !important;
    width: 100% !important;
    box-sizing: border-box !important;
}

/* 2. 重置每个卡片容器，强制内容在卡片内部换行并限制边界 */
div:has(> h3:contains("Kẹt nọc vòng 2")),
div:has(> h4:contains("Kẹt nọc vòng 2")),
[class*="card"] {
    position: relative !important;
    display: flex !important;
    flex-direction: column !important;
    justify-content: flex-start !important;
    height: 100% !important;
    min-height: 140px !important;
    padding: 16px !important;
    overflow: hidden !important; /* 防止文字溢出到隔壁 */
    box-sizing: border-box !important;
}

/* 3. 强制段落文字正常自动折行 */
div:has(> span:contains("CAO")) p,
div:has(> span:contains("TRUNG BÌNH")) p,
[class*="card"] p {
    white-space: normal !important;
    word-break: break-word !important;
    overflow-wrap: break-word !important;
    font-size: 13px !important;
    line-height: 1.5 !important;
    margin: 8px 0 0 0 !important;
}