/* roulang page: index */
:root{
  --bg:#04121C;
  --bg-alt:#061926;
  --surface:#092130;
  --surface-2:#0D2A3C;
  --line:rgba(148,163,184,.18);
  --line-strong:rgba(240,180,41,.38);
  --gold:#F0B429;
  --gold-2:#FCD34D;
  --gold-deep:#B45309;
  --aqua:#22D3EE;
  --emerald:#10B981;
  --text:#F1F5F9;
  --soft:#C6D4E0;
  --muted:#93A7B8;
  --radius-xs:8px;
  --radius-sm:12px;
  --radius:18px;
  --radius-lg:26px;
  --shadow-sm:0 6px 18px rgba(2,10,18,.4);
  --shadow:0 18px 44px rgba(2,10,18,.55);
  --shadow-gold:0 12px 32px rgba(240,180,41,.24);
  --container:1200px;
  --section-y:clamp(56px,7vw,100px);
}
*,*::before,*::after{box-sizing:border-box}
html{-webkit-text-size-adjust:100%;scroll-behavior:smooth}
body{
  margin:0;
  padding-bottom:74px;
  background:var(--bg);
  color:var(--text);
  font-family:'Be Vietnam Pro',-apple-system,BlinkMacSystemFont,'Segoe UI',Roboto,'Helvetica Neue',Arial,sans-serif;
  font-size:16px;
  line-height:1.65;
  -webkit-font-smoothing:antialiased;
  overflow-x:hidden;
}
img{max-width:100%;height:auto;display:block}
a{color:inherit;text-decoration:none}
h1,h2,h3,h4{margin:0 0 .5em;line-height:1.25;font-weight:800;letter-spacing:-.015em;color:var(--text)}
p{margin:0 0 1em}
ul,ol{margin:0;padding:0;list-style:none}
button,input{font-family:inherit}
:focus-visible{outline:2px solid var(--aqua);outline-offset:3px;border-radius:8px}
.container{width:100%;max-width:var(--container);margin:0 auto;padding:0 20px}

/* ===== HEADER ===== */
.site-header{
  position:fixed;top:0;left:0;right:0;z-index:60;
  background:rgba(4,18,28,.86);
  backdrop-filter:blur(14px);
  -webkit-backdrop-filter:blur(14px);
  border-bottom:1px solid var(--line);
  transition:background .3s ease,box-shadow .3s ease;
}
.site-header.is-scrolled{background:rgba(4,18,28,.97);box-shadow:0 10px 30px rgba(2,10,18,.6)}
.header-inner{position:relative;display:flex;align-items:center;gap:18px;min-height:72px}
.brand{display:flex;align-items:center;gap:11px;flex:0 0 auto}
.brand-mark{
  width:38px;height:38px;border-radius:12px;display:grid;place-items:center;
  background:linear-gradient(135deg,var(--gold-2),var(--gold-deep));
  color:#08131B;font-size:18px;box-shadow:var(--shadow-gold);
}
.brand-text{font-size:15px;font-weight:800;line-height:1.2;max-width:262px;letter-spacing:-.01em}
.brand-text em{display:block;font-style:normal;font-size:10.5px;letter-spacing:.14em;text-transform:uppercase;color:var(--gold-2);font-weight:700}
.main-nav{display:flex;align-items:center;gap:4px;margin-left:auto}
.nav-link{
  padding:9px 14px;border-radius:999px;font-size:13.5px;font-weight:600;
  color:var(--muted);white-space:nowrap;transition:color .25s ease,background .25s ease;
}
.nav-link:hover{color:var(--text);background:rgba(255,255,255,.07)}
.nav-link.is-active{color:#08131B;background:linear-gradient(135deg,var(--gold),var(--gold-2))}
.header-cta{display:flex;gap:10px;align-items:center;flex:0 0 auto}
.nav-toggle{
  display:none;flex-direction:column;justify-content:center;gap:5px;
  width:44px;height:44px;border-radius:12px;border:1px solid var(--line);
  background:rgba(9,33,48,.8);cursor:pointer;padding:0 12px;
}
.nav-toggle span{display:block;height:2px;background:var(--gold-2);border-radius:2px;transition:transform .3s ease,opacity .3s ease}
.nav-toggle[aria-expanded="true"] span:nth-child(1){transform:translateY(7px) rotate(45deg)}
.nav-toggle[aria-expanded="true"] span:nth-child(2){opacity:0}
.nav-toggle[aria-expanded="true"] span:nth-child(3){transform:translateY(-7px) rotate(-45deg)}

/* ===== BUTTONS ===== */
.btn{
  display:inline-flex;align-items:center;justify-content:center;gap:8px;
  padding:11px 20px;border-radius:999px;font-size:14px;font-weight:700;
  border:1px solid transparent;cursor:pointer;text-align:center;
  transition:transform .22s ease,box-shadow .28s ease,background .28s ease,color .28s ease,border-color .28s ease;
}
.btn-gold{background:linear-gradient(135deg,var(--gold-2),var(--gold));color:#0B1720;box-shadow:var(--shadow-gold)}
.btn-gold:hover{transform:translateY(-2px);box-shadow:0 16px 36px rgba(240,180,41,.36)}
.btn-gold:active{transform:translateY(1px)}
.btn-ghost{background:transparent;border-color:rgba(240,180,41,.5);color:var(--gold-2)}
.btn-ghost:hover{background:rgba(240,180,41,.14);border-color:var(--gold)}
.btn-outline{background:rgba(255,255,255,.05);border-color:var(--line);color:var(--text)}
.btn-outline:hover{border-color:var(--gold);color:var(--gold-2);transform:translateY(-2px)}
.btn-lg{padding:15px 28px;font-size:15px}

/* ===== HERO ===== */
.hero{position:relative;padding:clamp(104px,13vw,158px) 0 clamp(48px,6vw,78px);background:var(--bg-alt);overflow:hidden}
.hero-bg{position:absolute;inset:0}
.hero-bg img{width:100%;height:100%;object-fit:cover;opacity:.26}
.hero-bg::after{
  content:"";position:absolute;inset:0;
  background:linear-gradient(180deg,rgba(4,18,28,.72) 0%,rgba(4,18,28,.88) 48%,var(--bg) 100%);
}
.hero-inner{
  position:relative;z-index:2;
  display:grid;grid-template-columns:minmax(0,1.08fr) minmax(0,.92fr);
  gap:clamp(28px,4vw,56px);align-items:start;
}
.badge{
  display:inline-flex;align-items:center;gap:8px;margin-bottom:18px;
  padding:7px 15px;border-radius:999px;font-size:11.5px;font-weight:700;
  letter-spacing:.1em;text-transform:uppercase;color:var(--gold-2);
  background:rgba(240,180,41,.12);border:1px solid var(--line-strong);
}
.hero h1{font-size:clamp(27px,4.2vw,47px);margin-bottom:20px;line-height:1.2}
.hero-lead{font-size:clamp(15px,1.05vw,16.5px);color:var(--soft);line-height:1.72;max-width:660px}
.hero-actions{display:flex;flex-wrap:wrap;gap:14px;margin:26px 0 30px}
.hero-metrics{display:grid;grid-template-columns:repeat(3,minmax(0,1fr));gap:14px;max-width:660px}
.hero-metrics li{padding:16px 18px;border:1px solid var(--line);border-radius:var(--radius);background:rgba(9,33,48,.72)}
.hero-metrics strong{display:block;font-size:22px;font-weight:800;color:var(--gold-2);line-height:1.15}
.hero-metrics span{display:block;font-size:12.5px;color:var(--muted);line-height:1.45;margin-top:4px}

.roadmap-panel{
  padding:26px;border-radius:var(--radius-lg);
  border:1px solid var(--line-strong);
  background:linear-gradient(180deg,rgba(13,42,60,.96),rgba(7,25,38,.96));
  box-shadow:var(--shadow);
}
.panel-label{font-size:11.5px;font-weight:700;letter-spacing:.14em;text-transform:uppercase;color:var(--gold-2);margin-bottom:8px}
.panel-title{font-size:19px;margin-bottom:16px}
.roadmap li{display:flex;gap:12px;padding:12px 0;border-bottom:1px dashed rgba(148,163,184,.18)}
.roadmap li:last-child{border-bottom:0;padding-bottom:4px}
.roadmap .dot{width:10px;height:10px;border-radius:50%;background:#4B6478;margin-top:7px;flex:0 0 auto}
.roadmap li.is-done .dot{background:var(--gold);box-shadow:0 0 0 4px rgba(240,180,41,.16)}
.roadmap strong{display:block;font-size:13px;color:var(--gold-2);letter-spacing:.04em}
.roadmap p{font-size:13.5px;color:var(--muted);margin:3px 0 0;line-height:1.55}
.subscribe-form{margin-top:16px;padding-top:18px;border-top:1px solid var(--line)}
.subscribe-form label{display:block;font-size:13.5px;font-weight:600;color:#D8E4EE;margin-bottom:10px}
.sub-row{display:flex;gap:10px;flex-wrap:wrap}
.sub-row input{
  flex:1 1 170px;min-width:0;padding:12px 16px;border-radius:999px;
  border:1px solid var(--line);background:rgba(4,18,28,.72);color:var(--text);font-size:14px;
  transition:border-color .25s ease,box-shadow .25s ease;
}
.sub-row input::placeholder{color:#5F7488}
.sub-row input:focus{outline:none;border-color:var(--gold);box-shadow:0 0 0 3px rgba(240,180,41,.18)}
.form-note{font-size:12px;color:var(--muted);margin:11px 0 0}

/* ===== TRUST STRIP ===== */
.trust-strip{
  padding:26px 0;border-top:1px solid var(--line);border-bottom:1px solid var(--line);
  background:linear-gradient(90deg,rgba(240,180,41,.10),rgba(34,211,238,.06));
}
.trust-list{display:grid;grid-template-columns:repeat(4,minmax(0,1fr));gap:22px}
.trust-list li{padding-left:16px;border-left:2px solid rgba(240,180,41,.5)}
.trust-list strong{display:block;font-size:21px;font-weight:800;color:var(--gold-2);line-height:1.2}
.trust-list span{display:block;font-size:13px;color:var(--muted);line-height:1.45;margin-top:3px}

/* ===== SECTIONS ===== */
.section{position:relative;padding:var(--section-y) 0}
.section-alt{background:var(--bg-alt);border-top:1px solid var(--line);border-bottom:1px solid var(--line)}
.section-head{max-width:780px;margin-bottom:clamp(28px,4vw,46px);text-align:left}
.eyebrow{display:inline-block;font-size:11.5px;font-weight:700;letter-spacing:.16em;text-transform:uppercase;color:var(--gold-2);margin-bottom:12px}
.section-title{font-size:clamp(23px,3vw,34px);margin-bottom:14px}
.section-desc{color:var(--muted);font-size:15.5px;line-height:1.7;margin:0}

/* ===== VALUE CARDS ===== */
.value-card{
  height:100%;padding:26px;border-radius:var(--radius-lg);
  border:1px solid var(--line);
  background:linear-gradient(180deg,rgba(13,42,60,.75),rgba(7,25,38,.78));
  transition:transform .3s ease,border-color .3s ease,box-shadow .3s ease;
}
.value-card:hover{transform:translateY(-5px);border-color:var(--line-strong);box-shadow:var(--shadow-gold)}
.value-icon{
  display:grid;place-items:center;width:48px;height:48px;margin-bottom:18px;
  border-radius:14px;background:linear-gradient(135deg,var(--gold),var(--gold-deep));
  color:#0B1720;font-size:19px;
}
.value-card h3{font-size:17.5px;margin-bottom:10px}
.value-card p{color:var(--muted);font-size:14.5px;line-height:1.65;margin:0}

/* ===== TIERS ===== */
.tier-card{
  height:100%;display:flex;flex-direction:column;padding:26px;
  border-radius:var(--radius-lg);border:1px solid var(--line);background:var(--surface);
  transition:transform .3s ease,border-color .3s ease,box-shadow .3s ease;
}
.tier-card:hover{transform:translateY(-4px);border-color:var(--line-strong)}
.tier-card.is-featured{
  border-color:var(--line-strong);
  background:linear-gradient(180deg,rgba(240,180,41,.14),rgba(9,33,48,.96));
  box-shadow:var(--shadow-gold);
}
.tier-tag{display:inline-block;font-size:11px;font-weight:700;letter-spacing:.13em;text-transform:uppercase;color:var(--gold-2);margin-bottom:10px}
.tier-head h3{font-size:19px;margin:0}
.tier-value{font-size:38px;font-weight:800;color:var(--gold-2);line-height:1;margin:15px 0 6px}
.tier-note{font-size:13px;color:var(--muted);margin-bottom:18px}
.tier-list{display:flex;flex-direction:column;gap:10px;margin-top:auto}
.tier-list li{position:relative;padding-left:22px;font-size:14px;color:var(--soft)}
.tier-list li::before{
  content:"✓";position:absolute;left:0;top:0;color:var(--emerald);font-weight:800;font-size:12px;
}

/* ===== PROMO ===== */
.promo-card{
  height:100%;display:flex;gap:16px;align-items:flex-start;
  padding:24px;border-radius:var(--radius);border:1px solid var(--line);
  background:rgba(9,33,48,.72);
  transition:transform .3s ease,border-color .3s ease;
}
.promo-card:hover{transform:translateX(4px);border-color:var(--line-strong)}
.promo-icon{
  flex:0 0 auto;display:grid;place-items:center;width:44px;height:44px;border-radius:13px;
  background:rgba(34,211,238,.12);border:1px solid rgba(34,211,238,.3);color:var(--aqua);font-size:17px;
}
.promo-card h3{font-size:16.5px;margin-bottom:8px}
.promo-card p{font-size:14px;color:var(--muted);margin:0;line-height:1.6}

/* ===== SETTLEMENT ===== */
.settle-table{
  margin:0;border:1px solid var(--line);border-radius:var(--radius-lg);
  overflow:hidden;background:var(--surface);
}
.settle-row{
  display:grid;grid-template-columns:minmax(0,.85fr) minmax(0,1.65fr);
  gap:20px;padding:18px 24px;border-bottom:1px solid var(--line);
}
.settle-row:last-child{border-bottom:0}
.settle-row:nth-child(odd){background:rgba(13,42,60,.45)}
.settle-row dt{font-size:14.5px;font-weight:700;color:var(--gold-2)}
.settle-row dd{margin:0;font-size:14.5px;color:var(--soft);line-height:1.6}

/* ===== FEATURE BLOCK ===== */
.feature-block{display:grid;grid-template-columns:minmax(0,.82fr) minmax(0,1.18fr);gap:clamp(24px,4vw,54px);align-items:start}
.feature-intro p{color:var(--muted);font-size:15px;line-height:1.72}
.feature-visual{position:relative;margin-top:22px;border-radius:var(--radius-lg);overflow:hidden;border:1px solid var(--line)}
.feature-visual img{width:100%;min-height:250px;object-fit:cover}
.feature-list{display:flex;flex-direction:column;gap:16px}
.feature-item{
  padding:22px 24px;border-radius:var(--radius);border:1px solid var(--line);
  background:linear-gradient(135deg,rgba(13,42,60,.8),rgba(7,25,38,.82));
  transition:border-color .3s ease,transform .3s ease;
}
.feature-item:hover{border-color:var(--line-strong);transform:translateX(4px)}
.feature-item h3{font-size:16px;line-height:1.45;margin-bottom:10px;color:#EAF2FA}
.feature-item p{color:var(--muted);font-size:14.5px;line-height:1.68;margin:0}

/* ===== SCENES ===== */
.scene-card{height:100%;padding:22px;border-radius:var(--radius);border:1px solid var(--line);background:var(--surface);transition:border-color .3s ease,transform .3s ease}
.scene-card:hover{border-color:var(--line-strong);transform:translateY(-3px)}
.scene-card h3{font-size:16.5px;margin-bottom:8px}
.scene-card p{font-size:14px;color:var(--muted);margin:0;line-height:1.62}
.scene-meta{display:inline-block;margin-top:14px;font-size:11.5px;font-weight:700;letter-spacing:.1em;text-transform:uppercase;color:var(--aqua)}

/* ===== RTP PANEL ===== */
.rtp-panel{display:grid;grid-template-columns:minmax(0,1fr) minmax(0,.9fr);gap:clamp(20px,3vw,38px);align-items:stretch}
.kpi-grid{display:grid;grid-template-columns:repeat(2,minmax(0,1fr));gap:16px}
.kpi{padding:20px;border-radius:var(--radius);border:1px solid var(--line);background:linear-gradient(180deg,rgba(13,42,60,.85),rgba(7,25,38,.85))}
.kpi strong{display:block;font-size:25px;font-weight:800;color:var(--gold-2);line-height:1.1}
.kpi span{display:block;font-size:12.5px;color:var(--muted);margin-top:6px;line-height:1.45}
.bars{
  display:flex;flex-direction:column;justify-content:center;gap:14px;
  padding:26px;border-radius:var(--radius-lg);border:1px solid var(--line);background:var(--surface);
}
.bar-row{display:flex;align-items:center;gap:12px;font-size:12.5px;color:var(--muted)}
.bar-row span:first-child{flex:0 0 92px}
.bar-track{flex:1;height:9px;border-radius:999px;background:rgba(148,163,184,.14);overflow:hidden;min-width:60px}
.bar-fill{height:100%;border-radius:999px;background:linear-gradient(90deg,var(--aqua),var(--gold));width:0;transition:width 1.1s ease}
.bar-value{flex:0 0 52px;text-align:right;color:var(--gold-2);font-weight:700}

/* ===== CHANGELOG ===== */
.changelog{border-top:1px solid var(--line)}
.log-row{
  display:grid;grid-template-columns:118px minmax(0,1fr) 132px;
  gap:20px;align-items:center;padding:18px 0;border-bottom:1px solid var(--line);
}
.log-row:last-child{border-bottom:0}
.log-ver{font-size:14px;font-weight:800;color:var(--gold-2);letter-spacing:.04em}
.log-row p{margin:0;font-size:14.5px;color:var(--soft);line-height:1.6}
.switch{display:inline-flex;align-items:center;gap:8px;justify-self:end;font-size:12px;color:var(--muted)}
.switch-track{position:relative;display:inline-block;width:34px;height:18px;border-radius:999px;background:rgba(148,163,184,.24)}
.switch-knob{position:absolute;top:2px;left:2px;width:14px;height:14px;border-radius:50%;background:#8FA3B4;transition:.3s}
.switch.is-on .switch-track{background:rgba(16,185,129,.35)}
.switch.is-on .switch-knob{left:18px;background:var(--emerald)}

/* ===== CASES ===== */
.case-card{
  height:100%;display:flex;flex-direction:column;padding:26px;
  border-radius:var(--radius-lg);border:1px solid var(--line);background:var(--surface);
  transition:border-color .3s ease,transform .3s ease;
}
.case-card:hover{border-color:var(--line-strong);transform:translateY(-4px)}
.case-stat{font-size:30px;font-weight:800;color:var(--gold-2);line-height:1}
.case-card h3{font-size:16.5px;margin:14px 0 10px}
.case-card p{font-size:14px;color:var(--muted);line-height:1.65;margin:0}
.case-quote{margin:auto 0 0;padding-top:16px;border-top:1px solid var(--line);font-size:13px;color:#A9BCCB;font-style:italic}

/* ===== TESTIMONIALS ===== */
.testi-card{
  height:100%;padding:24px;border-radius:var(--radius);border:1px solid var(--line);
  background:linear-gradient(180deg,rgba(13,42,60,.7),rgba(7,25,38,.72));
  transition:border-color .3s ease,transform .3s ease;
}
.testi-card:hover{border-color:var(--line-strong);transform:translateY(-3px)}
.testi-stars{color:var(--gold);font-size:12px;letter-spacing:3px;margin-bottom:12px}
.testi-card p{font-size:14.5px;color:var(--soft);line-height:1.68;margin:0 0 16px}
.testi-user{display:flex;align-items:center;gap:10px;font-size:13px;color:var(--muted)}
.testi-avatar{
  display:grid;place-items:center;width:34px;height:34px;border-radius:50%;
  background:linear-gradient(135deg,var(--gold),var(--gold-deep));color:#0B1720;font-weight:800;font-size:13px;
}
.testi-user strong{color:#EAF2FA;font-size:13.5px;display:block}

/* ===== STEPS ===== */
.steps{display:grid;grid-template-columns:repeat(4,minmax(0,1fr));gap:20px;counter-reset:step}
.step{
  position:relative;height:100%;padding:30px 22px 22px;border-radius:var(--radius);
  border:1px solid var(--line);background:var(--surface);
}
.step::before{
  counter-increment:step;content:counter(step,decimal-leading-zero);
  position:absolute;top:-14px;left:22px;padding:3px 13px;border-radius:999px;
  background:linear-gradient(135deg,var(--gold),var(--gold-deep));color:#0B1720;
  font-size:12px;font-weight:800;letter-spacing:.08em;
}
.step h3{font-size:15.5px;margin:6px 0 8px}
.step p{font-size:14px;color:var(--muted);line-height:1.62;margin:0}

/* ===== INSIGHTS ===== */
.insights-layout{display:grid;grid-template-columns:minmax(0,1.5fr) minmax(0,.86fr);gap:clamp(22px,3vw,38px);align-items:start}
.insight-list{display:flex;flex-direction:column;border-top:1px solid var(--line)}
.insight-row{display:block;padding:22px 0;border-bottom:1px solid var(--line);transition:padding-left .25s ease,background .25s ease}
.insight-row:hover{padding-left:10px;background:linear-gradient(90deg,rgba(240,180,41,.07),transparent 70%)}
.insight-cat{display:inline-block;font-size:11px;font-weight:700;letter-spacing:.12em;text-transform:uppercase;color:var(--aqua);margin-bottom:8px}
.insight-row h3{font-size:17px;margin:0 0 8px;color:#EAF2FA;line-height:1.45}
.insight-row p{font-size:14px;color:var(--muted);line-height:1.62;margin:0 0 8px}
.insight-date{font-size:12.5px;color:#6E8397}
.insight-side{padding:24px;border-radius:var(--radius-lg);border:1px solid var(--line);background:var(--surface)}
.side-title{font-size:15.5px;margin-bottom:14px}
.side-item{display:flex;gap:12px;align-items:flex-start;padding:12px 0;border-bottom:1px dashed rgba(148,163,184,.16)}
.side-item:last-child{border-bottom:0}
.side-rank{font-size:17px;font-weight:800;color:rgba(240,180,41,.6);line-height:1.2}
.side-body strong{display:block;font-size:14px;color:#EAF2FA;line-height:1.45}
.side-body em{font-style:normal;display:block;font-size:12px;color:#6E8397;margin-top:4px}
.empty-note{font-size:14px;color:var(--muted);padding:20px 0;margin:0}

/* ===== CHANNELS ===== */
.channel-card{
  display:block;height:100%;overflow:hidden;border-radius:var(--radius-lg);
  border:1px solid var(--line);background:var(--surface);
  transition:transform .3s ease,border-color .3s ease,box-shadow .3s ease;
}
.channel-card:hover{transform:translateY(-6px);border-color:var(--line-strong);box-shadow:var(--shadow-gold)}
.channel-card img{width:100%;height:176px;object-fit:cover;opacity:.9}
.channel-body{padding:22px}
.channel-body h3{font-size:17px;margin-bottom:8px}
.channel-body p{font-size:14px;color:var(--muted);line-height:1.62;margin:0 0 14px}
.channel-link{display:inline-flex;align-items:center;gap:7px;font-size:13px;font-weight:700;color:var(--gold-2)}
.channel-link::after{content:"→";transition:transform .25s ease}
.channel-card:hover .channel-link::after{transform:translateX(5px)}

/* ===== JOIN ===== */
.join{
  background:radial-gradient(120% 140% at 12% 0%,rgba(240,180,41,.16),transparent 58%),var(--bg-alt);
  border-top:1px solid var(--line);
}
.join-inner{display:grid;grid-template-columns:minmax(0,1.12fr) minmax(0,.88fr);gap:clamp(24px,4vw,52px);align-items:center}
.join-copy h2{font-size:clamp(23px,3vw,32px);margin-bottom:14px}
.join-copy p{color:var(--muted);font-size:15px;line-height:1.7}
.join-points{display:flex;flex-direction:column;gap:10px;margin-top:6px}
.join-points li{position:relative;padding-left:24px;font-size:14.5px;color:var(--soft)}
.join-points li::before{content:"⚓";position:absolute;left:0;top:0;color:var(--gold)}
.join-form{
  padding:28px;border-radius:var(--radius-lg);border:1px solid var(--line-strong);
  background:linear-gradient(180deg,rgba(13,42,60,.96),rgba(7,25,38,.96));box-shadow:var(--shadow);
}
.join-form label{display:block;font-size:13px;font-weight:600;color:#D8E4EE;margin-bottom:8px}
.join-form input{
  width:100%;padding:13px 16px;margin-bottom:16px;border-radius:var(--radius-sm);
  border:1px solid var(--line);background:rgba(4,18,28,.75);color:var(--text);font-size:14px;
  transition:border-color .25s ease,box-shadow .25s ease;
}
.join-form input::placeholder{color:#5F7488}
.join-form input:focus{outline:none;border-color:var(--gold);box-shadow:0 0 0 3px rgba(240,180,41,.18)}
.join-form .btn{width:100%}

/* ===== FOOTER ===== */
.site-footer{background:#030D15;border-top:1px solid var(--line);padding:clamp(40px,5vw,64px) 0 0}
.footer-grid{display:grid;grid-template-columns:minmax(0,1.35fr) repeat(3,minmax(0,.85fr));gap:clamp(24px,3vw,40px)}
.footer-brand p{font-size:14px;color:var(--muted);line-height:1.68;margin:16px 0}
.footer-badges{display:flex;flex-wrap:wrap;gap:8px}
.footer-badges span{padding:6px 12px;border-radius:999px;border:1px solid var(--line);font-size:12px;color:#A9BCCB}
.footer-col h4{font-size:12.5px;letter-spacing:.12em;text-transform:uppercase;color:var(--gold-2);margin-bottom:16px}
.footer-col li{margin-bottom:10px}
.footer-col a,.footer-col span{font-size:14px;color:var(--muted);transition:color .2s ease}
.footer-col a:hover{color:var(--gold-2)}
.footer-bottom{
  display:flex;flex-wrap:wrap;gap:12px;justify-content:space-between;align-items:center;
  margin-top:34px;padding:22px 0;border-top:1px solid var(--line);
}
.footer-bottom p{margin:0;font-size:12.5px;color:#6E8397}

/* ===== FAB ===== */
.fab{
  position:fixed;left:16px;bottom:96px;z-index:55;width:56px;height:56px;
  animation:floaty 3.6s ease-in-out infinite;opacity:.86;
}
.fab:hover{opacity:1}
.fab-core{
  display:grid;place-items:center;width:56px;height:56px;border-radius:50%;
  background:radial-gradient(circle at 32% 28%,#FCD34D,#F0B429 46%,#8A4A06 100%);
  border:2px solid var(--gold);color:#0B1720;font-size:20px;
  box-shadow:0 6px 25px rgba(245,158,11,.35);
  transition:transform .3s ease;
}
.fab:hover .fab-core{transform:scale(1.1)}
.fab:active .fab-core{transform:scale(.95) translateY(3px)}
.fab i{transition:transform .6s ease}
.fab:hover i{transform:rotate(360deg)}
.fab-dot{
  position:absolute;top:-2px;right:-2px;width:14px;height:14px;border-radius:50%;
  background:#DC2626;border:2px solid #FFFFFF;animation:pulse 1.8s ease-in-out infinite;
}
@keyframes floaty{0%,100%{transform:translateY(0)}50%{transform:translateY(-6px)}}
@keyframes pulse{0%,100%{opacity:1}50%{opacity:.35}}

/* ===== FIXED CTA BAR ===== */
.mobile-cta-bar{
  position:fixed;left:0;right:0;bottom:0;z-index:58;
  display:flex;align-items:center;justify-content:space-between;gap:14px;
  padding:12px 20px;background:rgba(4,18,28,.95);
  backdrop-filter:blur(12px);-webkit-backdrop-filter:blur(12px);
  border-top:1px solid var(--line-strong);
}
.mobile-cta-bar span{font-size:12.5px;color:var(--muted);line-height:1.35}
.mobile-cta-bar strong{display:block;font-size:13.5px;color:var(--gold-2)}
.mobile-cta-bar .btn{padding:10px 20px;font-size:13px;white-space:nowrap}

/* ===== RESPONSIVE ===== */
@media (max-width:1080px){
  .hero-inner{grid-template-columns:1fr}
  .hero-lead{max-width:none}
  .feature-block{grid-template-columns:1fr}
  .rtp-panel{grid-template-columns:1fr}
  .insights-layout{grid-template-columns:1fr}
  .join-inner{grid-template-columns:1fr}
  .footer-grid{grid-template-columns:repeat(2,minmax(0,1fr))}
  .steps{grid-template-columns:repeat(2,minmax(0,1fr))}
  .trust-list{grid-template-columns:repeat(2,minmax(0,1fr))}
}
@media (max-width:980px){
  .nav-toggle{display:flex}
  .main-nav{
    position:absolute;top:100%;left:0;right:0;display:none;
    flex-direction:column;align-items:stretch;gap:4px;margin-left:0;
    padding:16px 20px;background:rgba(4,18,28,.98);
    border-bottom:1px solid var(--line);box-shadow:var(--shadow);
  }
  .main-nav.is-open{display:flex}
  .nav-link{padding:12px 14px;border-radius:var(--radius-sm);font-size:14px}
  .header-cta{margin-left:auto}
}
@media (max-width:768px){
  .settle-row{grid-template-columns:1fr;gap:6px}
  .log-row{grid-template-columns:1fr;gap:8px;padding:18px 0}
  .switch{justify-self:start}
  .kpi-grid{grid-template-columns:repeat(2,minmax(0,1fr))}
  .bars{padding:22px}
  .bar-row span:first-child{flex:0 0 78px;font-size:11.5px}
}
@media (max-width:560px){
  .container{padding:0 16px}
  body{padding-bottom:80px}
  .brand-text{font-size:12.5px;max-width:136px}
  .brand-text em{font-size:9.5px;letter-spacing:.1em}
  .brand-mark{width:32px;height:32px;font-size:15px;border-radius:10px}
  .header-cta{gap:6px}
  .header-cta .btn{padding:9px 12px;font-size:11.5px}
  .nav-toggle{width:40px;height:40px;padding:0 10px}
  .hero-metrics{grid-template-columns:1fr}
  .trust-list{grid-template-columns:1fr}
  .steps{grid-template-columns:1fr}
  .footer-grid{grid-template-columns:1fr}
  .kpi-grid{grid-template-columns:1fr}
  .mobile-cta-bar{padding:10px 14px;gap:10px}
  .mobile-cta-bar span{font-size:11.5px}
  .mobile-cta-bar .btn{padding:10px 14px;font-size:12px}
  .fab{left:12px;bottom:104px;width:52px;height:52px}
  .fab-core{width:52px;height:52px;font-size:18px}
  .hero-actions .btn{width:100%}
}

/* roulang page: article */
:root{
  --bg:#04121C;
  --bg-alt:#061926;
  --surface:#092130;
  --surface-2:#0D2A3C;
  --line:rgba(148,163,184,.18);
  --line-strong:rgba(240,180,41,.38);
  --gold:#F0B429;
  --gold-2:#FCD34D;
  --gold-deep:#B45309;
  --aqua:#22D3EE;
  --emerald:#10B981;
  --text:#F1F5F9;
  --soft:#C6D4E0;
  --muted:#93A7B8;
  --radius-xs:8px;
  --radius-sm:12px;
  --radius:18px;
  --radius-lg:26px;
  --shadow-sm:0 6px 18px rgba(2,10,18,.4);
  --shadow:0 18px 44px rgba(2,10,18,.55);
  --shadow-gold:0 12px 32px rgba(240,180,41,.24);
  --container:1200px;
  --section-y:clamp(56px,7vw,100px);
}
*{box-sizing:border-box}
html{-webkit-text-size-adjust:100%;scroll-behavior:smooth}
body{
  margin:0;padding-bottom:74px;background:var(--bg);color:var(--text);
  font-family:'Be Vietnam Pro',-apple-system,BlinkMacSystemFont,'Segoe UI',Roboto,'Helvetica Neue',Arial,sans-serif;
  font-size:16px;line-height:1.65;-webkit-font-smoothing:antialiased;overflow-x:hidden;
}
img{max-width:100%;height:auto;display:block}
a{color:inherit;text-decoration:none}
button,input{font-family:inherit}
ul{margin:0;padding:0;list-style:none}
p{margin:0 0 1em}
.container{width:100%;max-width:var(--container);margin:0 auto;padding:0 20px}
.site-header{
  position:fixed;top:0;left:0;right:0;z-index:60;background:rgba(4,18,28,.86);
  backdrop-filter:blur(14px);-webkit-backdrop-filter:blur(14px);
  border-bottom:1px solid var(--line);transition:background .3s ease,box-shadow .3s ease;
}
.site-header.is-scrolled{background:rgba(4,18,28,.97);box-shadow:0 10px 30px rgba(2,10,18,.6)}
.header-inner{position:relative;display:flex;align-items:center;gap:18px;min-height:72px}
.brand{display:flex;align-items:center;gap:11px;flex:0 0 auto}
.brand-mark{
  width:38px;height:38px;border-radius:12px;display:grid;place-items:center;
  background:linear-gradient(135deg,var(--gold-2),var(--gold-deep));
  color:#08131B;font-size:18px;box-shadow:var(--shadow-gold);
}
.brand-text{font-size:15px;font-weight:800;line-height:1.2;max-width:262px;letter-spacing:-.01em}
.brand-text em{display:block;font-style:normal;font-size:10.5px;letter-spacing:.14em;text-transform:uppercase;color:var(--gold-2);font-weight:700}
.main-nav{display:flex;align-items:center;gap:4px;margin-left:auto}
.nav-link{padding:9px 14px;border-radius:999px;font-size:13.5px;font-weight:600;color:var(--muted);white-space:nowrap;transition:color .25s ease,background .25s ease}
.nav-link:hover{color:var(--text);background:rgba(255,255,255,.07)}
.nav-link.is-active{color:#08131B;background:linear-gradient(135deg,var(--gold),var(--gold-2))}
.header-cta{display:flex;gap:10px;align-items:center;flex:0 0 auto}
.nav-toggle{display:none;flex-direction:column;justify-content:center;gap:5px;width:44px;height:44px;border-radius:12px;border:1px solid var(--line);background:rgba(9,33,48,.8);cursor:pointer;padding:0 12px}
.nav-toggle span{display:block;height:2px;background:var(--gold-2);border-radius:2px;transition:transform .3s ease,opacity .3s ease}
.nav-toggle[aria-expanded="true"] span:nth-child(1){transform:translateY(7px) rotate(45deg)}
.nav-toggle[aria-expanded="true"] span:nth-child(2){opacity:0}
.nav-toggle[aria-expanded="true"] span:nth-child(3){transform:translateY(-7px) rotate(-45deg)}
.btn{display:inline-flex;align-items:center;justify-content:center;gap:8px;padding:11px 20px;border-radius:999px;font-size:14px;font-weight:700;border:1px solid transparent;cursor:pointer;text-align:center;transition:transform .22s ease,box-shadow .28s ease,background .28s ease,color .28s ease,border-color .28s ease}
.btn-gold{background:linear-gradient(135deg,var(--gold-2),var(--gold));color:#0B1720;box-shadow:var(--shadow-gold)}
.btn-gold:hover{transform:translateY(-2px);box-shadow:0 16px 36px rgba(240,180,41,.36)}
.btn-gold:active{transform:translateY(1px)}
.btn-ghost{background:transparent;border-color:rgba(240,180,41,.5);color:var(--gold-2)}
.btn-ghost:hover{background:rgba(240,180,41,.14);border-color:var(--gold)}
.btn-outline{background:rgba(255,255,255,.05);border-color:var(--line);color:var(--text)}
.btn-outline:hover{border-color:var(--gold);color:var(--gold-2);transform:translateY(-2px)}
.btn-lg{padding:15px 28px;font-size:15px}
.btn-block{width:100%}
.article-hero{position:relative;padding:clamp(108px,13vw,160px) 0 clamp(48px,6vw,78px);background:var(--bg-alt);overflow:hidden}
.article-hero-bg{position:absolute;inset:0}
.article-hero-bg img{width:100%;height:100%;object-fit:cover;opacity:.22}
.article-hero-bg::after{content:"";position:absolute;inset:0;background:linear-gradient(180deg,rgba(4,18,28,.76) 0%,rgba(4,18,28,.9) 54%,var(--bg) 100%)}
.article-hero-inner{position:relative;z-index:2;display:grid;grid-template-columns:minmax(0,1.08fr) minmax(300px,.92fr);gap:clamp(28px,4vw,56px);align-items:start}
.eyebrow{display:inline-flex;align-items:center;gap:8px;margin-bottom:18px;padding:7px 15px;border-radius:999px;font-size:11.5px;font-weight:700;letter-spacing:.1em;text-transform:uppercase;color:var(--gold-2);background:rgba(240,180,41,.12);border:1px solid var(--line-strong)}
.article-hero h1{font-size:clamp(27px,4.2vw,47px);margin:0 0 20px;line-height:1.2;font-weight:800}
.article-lead{font-size:clamp(15px,1.05vw,16.5px);color:var(--soft);line-height:1.72;max-width:680px}
.article-meta{display:flex;flex-wrap:wrap;gap:10px;margin:24px 0 28px}
.meta-chip{padding:8px 14px;border-radius:999px;background:rgba(9,33,48,.82);border:1px solid var(--line);font-size:12.5px;color:var(--soft);font-weight:600}
.meta-chip i{color:var(--gold-2);margin-right:6px}
.hero-actions{display:flex;flex-wrap:wrap;gap:14px}
.side-stack{display:grid;gap:16px}
.side-card{padding:22px;border:1px solid var(--line);border-radius:var(--radius);background:linear-gradient(145deg,rgba(13,42,60,.96),rgba(9,33,48,.9));box-shadow:var(--shadow-sm)}
.side-card.highlight{border-color:var(--line-strong);box-shadow:var(--shadow-gold)}
.side-card h3{font-size:17px;margin:0 0 12px;color:var(--text)}
.side-card p{font-size:14px;color:var(--soft);margin-bottom:14px;line-height:1.65}
.side-list li{display:flex;justify-content:space-between;gap:14px;padding:10px 0;border-bottom:1px solid var(--line);font-size:13.5px;color:var(--soft)}
.side-list li:last-child{border-bottom:0}
.side-list strong{color:var(--gold-2);font-weight:800}
.main-section{padding:var(--section-y) 0}
.section-alt{background:var(--bg-alt)}
.article-layout{display:grid;grid-template-columns:minmax(0,1fr) 330px;gap:32px;align-items:start}
.article-body{min-width:0}
.article-content{background:rgba(9,33,48,.55);border:1px solid var(--line);border-radius:var(--radius);padding:clamp(24px,4vw,42px);box-shadow:var(--shadow-sm)}
.article-content h2{font-size:clamp(23px,2.5vw,32px);line-height:1.3;margin:42px 0 18px;color:var(--text)}
.article-content h3{font-size:clamp(19px,1.8vw,24px);line-height:1.35;margin:32px 0 14px;color:var(--text)}
.article-content p{font-size:16px;line-height:1.72;color:var(--soft);margin-bottom:18px}
.article-content ul,.article-content ol{margin:0 0 22px;padding-left:0}
.article-content ul li,.article-content ol li{font-size:15.5px;line-height:1.7;color:var(--soft);margin-bottom:12px;padding-left:28px;position:relative}
.article-content ul li::before{content:"◆";position:absolute;left:0;top:0;color:var(--gold-2);font-size:11px}
.article-content ol{counter-reset:item}
.article-content ol li{counter-increment:item}
.article-content ol li::before{content:counter(item);position:absolute;left:0;top:3px;width:20px;height:20px;border-radius:50%;background:rgba(240,180,41,.16);color:var(--gold-2);display:grid;place-items:center;font-size:11px;font-weight:800}
.article-content a{color:var(--gold-2);border-bottom:1px solid rgba(240,180,41,.4)}
.article-content img{border-radius:var(--radius-sm);margin:24px 0}
.article-content blockquote{margin:26px 0;padding:20px 24px;border-left:3px solid var(--gold);background:rgba(240,180,41,.08);border-radius:0 var(--radius-sm) var(--radius-sm) 0;color:var(--soft);font-size:15.5px;line-height:1.7}
.article-content table{width:100%;border-collapse:collapse;margin:24px 0;border:1px solid var(--line);border-radius:var(--radius-sm);overflow:hidden}
.article-content th,.article-content td{padding:14px 16px;border-bottom:1px solid var(--line);text-align:left;font-size:14.5px;color:var(--soft)}
.article-content th{background:rgba(240,180,41,.1);color:var(--gold-2);font-weight:700}
.article-content tr:last-child td{border-bottom:0}
.article-sidebar{display:grid;gap:20px;position:sticky;top:96px}
.sidebar-card{background:rgba(9,33,48,.82);border:1px solid var(--line);border-radius:var(--radius);padding:22px;box-shadow:var(--shadow-sm)}
.sidebar-card h3{font-size:17px;margin:0 0 16px;color:var(--text)}
.sidebar-card p{font-size:14px;color:var(--soft);line-height:1.65}
.stat-row{display:flex;justify-content:space-between;gap:12px;padding:12px 0;border-bottom:1px solid var(--line);font-size:14px;color:var(--soft)}
.stat-row:last-child{border-bottom:0}
.stat-row strong{color:var(--gold-2);font-weight:800}
.content-empty{text-align:center;padding:52px 24px}
.content-empty h2{font-size:28px;margin:0 0 14px}
.content-empty p{color:var(--soft);margin-bottom:22px}
.feature-grid{display:grid;grid-template-columns:repeat(3,minmax(0,1fr));gap:20px;margin-top:34px}
.feature-card{background:linear-gradient(145deg,rgba(13,42,60,.96),rgba(9,33,48,.9));border:1px solid var(--line);border-radius:var(--radius);padding:24px;transition:transform .28s ease,border-color .28s ease,box-shadow .28s ease}
.feature-card:hover{transform:translateY(-4px);border-color:var(--line-strong);box-shadow:var(--shadow-gold)}
.feature-icon{width:48px;height:48px;border-radius:14px;display:grid;place-items:center;background:rgba(240,180,41,.13);color:var(--gold-2);font-size:20px;margin-bottom:16px}
.feature-card h3{font-size:18px;margin:0 0 10px}
.feature-card p{font-size:14.5px;color:var(--soft);line-height:1.65;margin:0}
.timeline{display:grid;gap:0;margin-top:34px;border-left:2px solid rgba(240,180,41,.32);padding-left:28px}
.timeline-item{position:relative;padding:0 0 28px}
.timeline-item:last-child{padding-bottom:0}
.timeline-item::before{content:"";position:absolute;left:-37px;top:5px;width:16px;height:16px;border-radius:50%;background:var(--gold);border:3px solid var(--bg);box-shadow:0 0 0 3px rgba(240,180,41,.2)}
.timeline-item h3{font-size:18px;margin:0 0 8px}
.timeline-item p{font-size:14.5px;color:var(--soft);line-height:1.65;margin:0}
.stats-band{display:grid;grid-template-columns:repeat(4,minmax(0,1fr));gap:18px;margin-top:34px}
.stat-box{padding:24px;border-radius:var(--radius);border:1px solid var(--line);background:rgba(9,33,48,.72);text-align:left}
.stat-box strong{display:block;font-size:30px;color:var(--gold-2);line-height:1.1}
.stat-box span{display:block;font-size:13px;color:var(--muted);margin-top:8px;line-height:1.45}
.compare-table{width:100%;border-collapse:collapse;margin-top:30px;border:1px solid var(--line);border-radius:var(--radius-sm);overflow:hidden}
.compare-table th,.compare-table td{padding:15px 18px;border-bottom:1px solid var(--line);text-align:left;font-size:14.5px;color:var(--soft)}
.compare-table th{background:rgba(240,180,41,.1);color:var(--gold-2);font-weight:700}
.compare-table tr:last-child td{border-bottom:0}
.quote-grid{display:grid;grid-template-columns:repeat(3,minmax(0,1fr));gap:20px;margin-top:34px}
.quote-card{padding:26px;border-radius:var(--radius);background:rgba(9,33,48,.72);border:1px solid var(--line)}
.quote-card p{font-size:15px;color:var(--soft);line-height:1.7;font-style:italic}
.quote-author{display:flex;align-items:center;gap:12px;margin-top:18px}
.quote-avatar{width:42px;height:42px;border-radius:50%;display:grid;place-items:center;background:linear-gradient(135deg,var(--gold),var(--gold-deep));color:#08131B;font-weight:800;font-size:15px}
.quote-author strong{display:block;font-size:14px}
.quote-author span{font-size:12.5px;color:var(--muted)}
.cta-panel{position:relative;overflow:hidden;padding:clamp(36px,5vw,64px);border-radius:var(--radius-lg);background:linear-gradient(135deg,rgba(240,180,41,.16),rgba(34,211,238,.08)),var(--surface);border:1px solid var(--line-strong);box-shadow:var(--shadow-gold);text-align:center}
.cta-panel h2{font-size:clamp(24px,3vw,38px);margin:0 0 16px;line-height:1.25}
.cta-panel p{max-width:720px;margin:0 auto 28px;color:var(--soft);font-size:16px;line-height:1.72}
.cta-actions{display:flex;justify-content:center;flex-wrap:wrap;gap:14px}
.faq-list{max-width:900px;margin:34px auto 0;display:grid;gap:14px}
.faq-item{border:1px solid var(--line);border-radius:var(--radius-sm);background:rgba(9,33,48,.68);overflow:hidden}
.faq-question{width:100%;display:flex;align-items:center;justify-content:space-between;gap:18px;padding:20px 22px;background:transparent;border:0;color:var(--text);font-size:16px;font-weight:700;text-align:left;cursor:pointer}
.faq-question i{color:var(--gold-2);transition:transform .3s ease;flex:0 0 auto}
.faq-item.is-open .faq-question i{transform:rotate(180deg)}
.faq-answer{max-height:0;overflow:hidden;transition:max-height .35s ease}
.faq-answer p{padding:0 22px 20px;margin:0;color:var(--soft);font-size:15px;line-height:1.7}
.site-footer{background:#030D15;border-top:1px solid var(--line);padding:64px 0 28px}
.footer-grid{display:grid;grid-template-columns:1.5fr repeat(3,1fr);gap:34px}
.footer-brand p{font-size:14px;color:var(--muted);line-height:1.7;margin:18px 0}
.footer-badges{display:flex;flex-wrap:wrap;gap:8px}
.footer-badges span{padding:6px 12px;border-radius:999px;border:1px solid var(--line);font-size:12px;color:var(--soft);background:rgba(255,255,255,.04)}
.footer-col h4{font-size:15px;margin:0 0 16px;color:var(--text)}
.footer-col ul{display:grid;gap:10px}
.footer-col a,.footer-col span{font-size:14px;color:var(--muted);transition:color .25s ease}
.footer-col a:hover{color:var(--gold-2)}
.footer-bottom{display:flex;justify-content:space-between;gap:18px;flex-wrap:wrap;margin-top:44px;padding-top:24px;border-top:1px solid var(--line)}
.footer-bottom p{font-size:13px;color:var(--muted);margin:0}
.fab-support{position:fixed;left:16px;bottom:96px;z-index:50;width:56px;height:56px;border-radius:50%;display:grid;place-items:center;background:linear-gradient(135deg,var(--gold-2),var(--gold-deep));color:#08131B;font-size:21px;box-shadow:0 6px 25px rgba(240,180,41,.35);opacity:.85;transition:transform .25s ease,opacity .25s ease;animation:fabFloat 2.8s ease-in-out infinite}
.fab-support:hover{transform:scale(1.1) rotate(8deg);opacity:1}
.fab-support:active{transform:scale(.95) translateY(4px)}
.fab-support::after{content:"";position:absolute;top:6px;right:6px;width:12px;height:12px;background:#DC2626;border-radius:50%;border:2px solid #fff}
@keyframes fabFloat{0%,100%{transform:translateY(0)}50%{transform:translateY(-6px)}}
@media (max-width:1024px){
  .main-nav{display:none;position:absolute;top:72px;left:0;right:0;flex-direction:column;align-items:stretch;gap:6px;padding:16px 20px 22px;background:rgba(4,18,28,.98);border-bottom:1px solid var(--line);box-shadow:var(--shadow)}
  .main-nav.is-open{display:flex}
  .nav-link{padding:13px 16px;border-radius:12px}
  .nav-toggle{display:flex;margin-left:auto}
  .header-cta{margin-left:0}
  .article-hero-inner{grid-template-columns:1fr}
  .article-layout{grid-template-columns:1fr}
  .article-sidebar{position:static;grid-template-columns:repeat(2,minmax(0,1fr))}
  .feature-grid,.quote-grid{grid-template-columns:repeat(2,minmax(0,1fr))}
  .stats-band{grid-template-columns:repeat(2,minmax(0,1fr))}
  .footer-grid{grid-template-columns:repeat(2,minmax(0,1fr))}
}
@media (max-width:768px){
  body{padding-bottom:82px}
  .header-inner{min-height:66px;gap:10px}
  .brand-text{font-size:13px;max-width:190px}
  .brand-text em{font-size:9.5px}
  .header-cta .btn{padding:9px 14px;font-size:12.5px}
  .main-nav{top:66px}
  .article-hero{padding-top:104px}
  .article-content{padding:24px 20px}
  .article-sidebar{grid-template-columns:1fr}
  .feature-grid,.quote-grid,.stats-band,.footer-grid{grid-template-columns:1fr}
  .footer-bottom{flex-direction:column}
}
@media (max-width:520px){
  .container{padding:0 16px}
  .brand-text{max-width:150px;font-size:12px}
  .brand-text em{display:none}
  .header-cta .btn-ghost{display:none}
  .hero-actions,.cta-actions{flex-direction:column}
  .hero-actions .btn,.cta-actions .btn{width:100%}
  .article-meta{flex-direction:column}
  .compare-table{display:block;overflow-x:auto}
  .fab-support{width:52px;height:52px;left:14px;bottom:88px}
}

/* roulang page: category2 */
:root{
  --bg:#04121C;
  --bg-alt:#061926;
  --surface:#092130;
  --surface-2:#0D2A3C;
  --line:rgba(148,163,184,.18);
  --line-strong:rgba(240,180,41,.38);
  --gold:#F0B429;
  --gold-2:#FCD34D;
  --gold-deep:#B45309;
  --aqua:#22D3EE;
  --emerald:#10B981;
  --danger:#FB7185;
  --text:#F1F5F9;
  --soft:#C6D4E0;
  --muted:#93A7B8;
  --radius-xs:8px;
  --radius-sm:12px;
  --radius:18px;
  --radius-lg:26px;
  --shadow-sm:0 6px 18px rgba(2,10,18,.4);
  --shadow:0 18px 44px rgba(2,10,18,.55);
  --shadow-gold:0 12px 32px rgba(240,180,41,.24);
  --container:1200px;
  --section-y:clamp(56px,7vw,100px);
}
html{-webkit-text-size-adjust:100%;scroll-behavior:smooth}
body{
  margin:0;
  padding-bottom:74px;
  background:var(--bg);
  color:var(--text);
  font-family:'Be Vietnam Pro',-apple-system,BlinkMacSystemFont,'Segoe UI',Roboto,'Helvetica Neue',Arial,sans-serif;
  font-size:16px;
  line-height:1.65;
  -webkit-font-smoothing:antialiased;
  overflow-x:hidden;
}
*{box-sizing:border-box}
img{max-width:100%;height:auto;display:block}
a{color:inherit;text-decoration:none}
button,input{font-family:inherit}
ul{margin:0;padding:0;list-style:none}
p{margin-top:0}
h1,h2,h3,h4{line-height:1.25;margin-top:0;color:var(--text)}
.container{width:100%;max-width:var(--container);margin:0 auto;padding:0 20px}
.site-header{
  position:fixed;top:0;left:0;right:0;z-index:60;
  background:rgba(4,18,28,.86);
  backdrop-filter:blur(14px);
  -webkit-backdrop-filter:blur(14px);
  border-bottom:1px solid var(--line);
  transition:background .3s ease,box-shadow .3s ease;
}
.site-header.is-scrolled{background:rgba(4,18,28,.97);box-shadow:0 10px 30px rgba(2,10,18,.6)}
.header-inner{position:relative;display:flex;align-items:center;gap:18px;min-height:72px}
.brand{display:flex;align-items:center;gap:11px;flex:0 0 auto}
.brand-mark{
  width:38px;height:38px;border-radius:12px;display:grid;place-items:center;
  background:linear-gradient(135deg,var(--gold-2),var(--gold-deep));
  color:#08131B;font-size:18px;box-shadow:var(--shadow-gold);
}
.brand-text{font-size:15px;font-weight:800;line-height:1.2;max-width:262px;letter-spacing:-.01em}
.brand-text em{display:block;font-style:normal;font-size:10.5px;letter-spacing:.14em;text-transform:uppercase;color:var(--gold-2);font-weight:700}
.main-nav{display:flex;align-items:center;gap:4px;margin-left:auto}
.nav-link{
  padding:9px 14px;border-radius:999px;font-size:13.5px;font-weight:600;
  color:var(--muted);white-space:nowrap;transition:color .25s ease,background .25s ease;
}
.nav-link:hover{color:var(--text);background:rgba(255,255,255,.07)}
.nav-link.is-active{color:#08131B;background:linear-gradient(135deg,var(--gold),var(--gold-2))}
.header-cta{display:flex;gap:10px;align-items:center;flex:0 0 auto}
.nav-toggle{
  display:none;flex-direction:column;justify-content:center;gap:5px;
  width:44px;height:44px;border-radius:12px;border:1px solid var(--line);
  background:rgba(9,33,48,.8);cursor:pointer;padding:0 12px;
}
.nav-toggle span{display:block;height:2px;background:var(--gold-2);border-radius:2px;transition:transform .3s ease,opacity .3s ease}
.nav-toggle[aria-expanded="true"] span:nth-child(1){transform:translateY(7px) rotate(45deg)}
.nav-toggle[aria-expanded="true"] span:nth-child(2){opacity:0}
.nav-toggle[aria-expanded="true"] span:nth-child(3){transform:translateY(-7px) rotate(-45deg)}
.btn{
  display:inline-flex;align-items:center;justify-content:center;gap:8px;
  padding:11px 20px;border-radius:999px;font-size:14px;font-weight:700;
  border:1px solid transparent;cursor:pointer;text-align:center;
  transition:transform .22s ease,box-shadow .28s ease,background .28s ease,color .28s ease,border-color .28s ease;
}
.btn-gold{background:linear-gradient(135deg,var(--gold-2),var(--gold));color:#0B1720;box-shadow:var(--shadow-gold)}
.btn-gold:hover{transform:translateY(-2px);box-shadow:0 16px 36px rgba(240,180,41,.36)}
.btn-gold:active{transform:translateY(1px)}
.btn-ghost{background:transparent;border-color:rgba(240,180,41,.5);color:var(--gold-2)}
.btn-ghost:hover{background:rgba(240,180,41,.14);border-color:var(--gold)}
.btn-outline{background:rgba(255,255,255,.05);border-color:var(--line);color:var(--text)}
.btn-outline:hover{border-color:var(--gold);color:var(--gold-2);transform:translateY(-2px)}
.btn-lg{padding:15px 28px;font-size:15px}
.btn:focus,.nav-link:focus,input:focus,a:focus-visible{outline:2px solid var(--gold-2);outline-offset:3px}
.category-hero{
  position:relative;padding:clamp(108px,13vw,158px) 0 clamp(54px,7vw,86px);
  background:linear-gradient(135deg,rgba(4,18,28,.95),rgba(9,33,48,.88)),url('/assets/images/d23b49cc4b6ac873.jpg') center/cover no-repeat;
  overflow:hidden;
}
.category-hero::after{
  content:"";position:absolute;inset:auto 0 0 0;height:140px;
  background:linear-gradient(180deg,transparent,var(--bg));
}
.hero-grid{
  position:relative;z-index:2;display:grid;
  grid-template-columns:minmax(0,1.08fr) minmax(360px,.92fr);
  gap:clamp(28px,4vw,64px);align-items:start;
}
.breadcrumbs{display:flex;gap:8px;align-items:center;flex-wrap:wrap;color:var(--muted);font-size:13px;margin-bottom:16px}
.breadcrumbs a{color:var(--gold-2)}
.badge{
  display:inline-flex;align-items:center;gap:8px;margin-bottom:18px;
  padding:7px 15px;border-radius:999px;font-size:11.5px;font-weight:700;
  letter-spacing:.1em;text-transform:uppercase;color:var(--gold-2);
  background:rgba(240,180,41,.12);border:1px solid var(--line-strong);
}
.category-hero h1{
  font-size:clamp(28px,4.5vw,50px);margin-bottom:20px;line-height:1.18;letter-spacing:-.025em;
}
.hero-lead{font-size:clamp(15px,1.05vw,16.5px);color:var(--soft);line-height:1.72;max-width:720px}
.hero-actions{display:flex;flex-wrap:wrap;gap:14px;margin:26px 0 30px}
.hero-metrics{display:grid;grid-template-columns:repeat(3,minmax(0,1fr));gap:14px;max-width:690px}
.hero-metrics li{padding:16px 18px;border:1px solid var(--line);border-radius:var(--radius);background:rgba(9,33,48,.72)}
.hero-metrics strong{display:block;font-size:22px;font-weight:800;color:var(--gold-2);line-height:1.15}
.hero-metrics span{display:block;font-size:12.5px;color:var(--muted);line-height:1.45;margin-top:4px}
.dashboard-card{
  border:1px solid var(--line-strong);border-radius:var(--radius-lg);
  background:linear-gradient(180deg,rgba(13,42,60,.98),rgba(6,25,38,.96));
  box-shadow:var(--shadow);overflow:hidden;
}
.dashboard-head{padding:22px 24px 18px;border-bottom:1px solid var(--line)}
.dashboard-head-row{display:flex;align-items:flex-start;justify-content:space-between;gap:14px}
.live-status{
  display:inline-flex;align-items:center;gap:7px;padding:5px 10px;border-radius:999px;
  color:#BBF7D0;background:rgba(16,185,129,.12);border:1px solid rgba(16,185,129,.28);
  font-size:11px;font-weight:700;text-transform:uppercase;letter-spacing:.08em;
}
.live-status::before{content:"";width:7px;height:7px;border-radius:50%;background:var(--emerald);box-shadow:0 0 0 5px rgba(16,185,129,.12)}
.dashboard-head h2{font-size:20px;margin:0 0 4px}
.dashboard-head p{font-size:13px;color:var(--muted);margin:0}
.rtp-list{padding:8px 24px 18px}
.rtp-row{display:grid;grid-template-columns:1fr auto;gap:14px;padding:15px 0;border-bottom:1px solid var(--line)}
.rtp-row:last-child{border-bottom:0}
.rtp-name{font-size:14px;font-weight:700;margin-bottom:3px}
.rtp-meta{font-size:12px;color:var(--muted)}
.rtp-value{text-align:right;color:var(--gold-2);font-weight:800;font-size:18px;line-height:1.1}
.rtp-value small{display:block;font-size:11px;color:var(--emerald);font-weight:600}
.rtp-bar{height:5px;border-radius:999px;background:rgba(148,163,184,.15);margin-top:8px;overflow:hidden}
.rtp-bar span{display:block;height:100%;border-radius:inherit;background:linear-gradient(90deg,var(--emerald),var(--aqua),var(--gold-2))}
.section{padding:var(--section-y) 0}
.section-alt{background:var(--bg-alt);border-top:1px solid var(--line);border-bottom:1px solid var(--line)}
.section-intro{max-width:760px;margin-bottom:36px}
.section-intro.left{text-align:left}
.eyebrow{color:var(--gold-2);font-size:12px;font-weight:800;letter-spacing:.14em;text-transform:uppercase;margin-bottom:10px}
.section h2{font-size:clamp(24px,3vw,36px);margin-bottom:14px;letter-spacing:-.02em}
.section h3{font-size:19px;margin-bottom:8px}
.section p{color:var(--soft);line-height:1.7}
.section p:last-child{margin-bottom:0}
.split{display:grid;grid-template-columns:minmax(0,.92fr) minmax(0,1.08fr);gap:clamp(28px,5vw,64px);align-items:center}
.visual-card{
  position:relative;border-radius:var(--radius-lg);overflow:hidden;border:1px solid var(--line);
  box-shadow:var(--shadow);background:var(--surface);min-height:340px;
}
.visual-card img{width:100%;height:100%;min-height:340px;object-fit:cover}
.visual-card .visual-caption{
  position:absolute;left:18px;right:18px;bottom:18px;padding:18px;border-radius:var(--radius);
  background:rgba(4,18,28,.82);backdrop-filter:blur(12px);border:1px solid var(--line);
}
.visual-caption strong{display:block;color:var(--gold-2);font-size:22px;line-height:1.1}
.visual-caption span{display:block;color:var(--soft);font-size:12.5px;margin-top:4px}
.feature-list{display:grid;gap:12px;margin-top:22px}
.feature-list li{display:flex;gap:12px;align-items:flex-start;color:var(--soft);font-size:14.5px}
.feature-list i{color:var(--emerald);margin-top:4px}
.card-grid{display:grid;grid-template-columns:repeat(3,minmax(0,1fr));gap:22px}
.info-card{
  border:1px solid var(--line);border-radius:var(--radius);background:linear-gradient(180deg,rgba(13,42,60,.86),rgba(9,33,48,.72));
  padding:24px;transition:transform .3s ease,border-color .3s ease,box-shadow .3s ease;
}
.info-card:hover{transform:translateY(-5px);border-color:var(--line-strong);box-shadow:var(--shadow)}
.info-card .icon-box{
  width:46px;height:46px;border-radius:14px;display:grid;place-items:center;margin-bottom:18px;
  color:#08131B;background:linear-gradient(135deg,var(--gold-2),var(--gold));box-shadow:var(--shadow-gold);font-size:18px;
}
.info-card p{font-size:14px;margin-bottom:0}
.tag-row{display:flex;gap:8px;flex-wrap:wrap;margin-top:18px}
.tag{display:inline-flex;align-items:center;padding:5px 10px;border-radius:999px;background:rgba(34,211,238,.1);border:1px solid rgba(34,211,238,.24);color:#A5F3FC;font-size:11.5px;font-weight:700}
.action-strip{
  display:grid;grid-template-columns:1.2fr .8fr;gap:24px;align-items:center;
  padding:clamp(24px,4vw,38px);border-radius:var(--radius-lg);
  background:linear-gradient(135deg,rgba(240,180,41,.16),rgba(34,211,238,.08)),var(--surface);
  border:1px solid var(--line-strong);box-shadow:var(--shadow);
}
.action-strip h2{font-size:clamp(22px,2.5vw,32px);margin-bottom:10px}
.action-strip p{color:var(--soft);margin-bottom:0}
.action-strip .actions{display:flex;gap:12px;flex-wrap:wrap;justify-content:flex-end}
.steps{display:grid;grid-template-columns:repeat(4,minmax(0,1fr));gap:16px;counter-reset:step}
.step{position:relative;padding:24px 20px 20px;border-left:2px solid var(--line-strong);background:rgba(9,33,48,.42)}
.step::before{
  counter-increment:step;content:counter(step,decimal-leading-zero);
  position:absolute;top:-12px;left:18px;color:var(--gold-2);font-size:12px;font-weight:800;letter-spacing:.08em;
  background:var(--bg);padding:0 8px;
}
.step h3{font-size:16px;margin-bottom:8px}
.step p{font-size:13.5px;color:var(--muted);margin-bottom:0}
.scenario-grid{display:grid;grid-template-columns:repeat(2,minmax(0,1fr));gap:18px}
.scenario{
  display:grid;grid-template-columns:72px 1fr;gap:18px;align-items:start;
  padding:22px;border:1px solid var(--line);border-radius:var(--radius);background:rgba(9,33,48,.64);
}
.scenario-index{
  width:56px;height:56px;border-radius:16px;display:grid;place-items:center;
  background:rgba(34,211,238,.1);border:1px solid rgba(34,211,238,.24);color:var(--aqua);
  font-weight:800;font-size:17px;
}
.scenario p{font-size:14px;margin-bottom:0}
.evidence-grid{display:grid;grid-template-columns:repeat(3,minmax(0,1fr));gap:18px}
.evidence{
  padding:22px;border-radius:var(--radius);background:var(--surface);
  border:1px solid var(--line);
}
.evidence strong{display:block;font-size:30px;color:var(--gold-2);line-height:1.1;margin-bottom:8px}
.evidence span{display:block;color:var(--soft);font-size:13.5px}
.news-grid{display:grid;grid-template-columns:repeat(3,minmax(0,1fr));gap:22px}
.news-card{
  overflow:hidden;border-radius:var(--radius);border:1px solid var(--line);background:var(--surface);
  transition:transform .3s ease,border-color .3s ease,box-shadow .3s ease;
}
.news-card:hover{transform:translateY(-5px);border-color:var(--line-strong);box-shadow:var(--shadow)}
.news-thumb{aspect-ratio:16/9;overflow:hidden;background:var(--surface-2)}
.news-thumb img{width:100%;height:100%;object-fit:cover;transition:transform .5s ease}
.news-card:hover .news-thumb img{transform:scale(1.05)}
.news-body{padding:20px}
.news-body h3{font-size:17px;margin-bottom:10px}
.news-body p{font-size:13.5px;color:var(--muted);margin-bottom:14px}
.news-meta{display:flex;gap:10px;flex-wrap:wrap;font-size:11.5px;color:var(--gold-2);font-weight:700;text-transform:uppercase;letter-spacing:.06em}
.empty-list{padding:26px;border:1px dashed var(--line);border-radius:var(--radius);color:var(--muted);background:rgba(9,33,48,.5)}
.faq-wrap{display:grid;grid-template-columns:minmax(0,.75fr) minmax(0,1.25fr);gap:clamp(28px,5vw,64px);align-items:start}
.faq-list{display:grid;gap:12px}
.faq-item{border:1px solid var(--line);border-radius:var(--radius);background:var(--surface);overflow:hidden}
.faq-item summary{
  list-style:none;cursor:pointer;padding:20px 22px;font-weight:700;color:var(--text);
  display:flex;justify-content:space-between;gap:16px;align-items:center;
}
.faq-item summary::-webkit-details-marker{display:none}
.faq-item summary::after{content:"+";color:var(--gold-2);font-size:22px;line-height:1}
.faq-item[open] summary::after{content:"−"}
.faq-answer{padding:0 22px 20px;color:var(--soft);font-size:14.5px}
.final-cta{
  padding:clamp(36px,6vw,68px);border-radius:var(--radius-lg);
  background:linear-gradient(135deg,rgba(240,180,41,.18),rgba(4,18,28,.78)),url('/assets/images/6783ab1bc4743983.jpg') center/cover no-repeat;
  border:1px solid var(--line-strong);box-shadow:var(--shadow);text-align:center;
}
.final-cta h2{font-size:clamp(25px,3.2vw,40px);margin-bottom:14px}
.final-cta p{max-width:760px;margin:0 auto 24px;color:var(--soft)}
.site-footer{background:#03101A;border-top:1px solid var(--line);padding:56px 0 22px}
.footer-grid{display:grid;grid-template-columns:1.5fr repeat(3,1fr);gap:34px}
.footer-brand p{color:var(--muted);font-size:13.5px;margin:16px 0}
.footer-badges{display:flex;gap:8px;flex-wrap:wrap}
.footer-badges span{padding:5px 10px;border-radius:999px;background:rgba(255,255,255,.05);border:1px solid var(--line);color:var(--soft);font-size:11.5px;font-weight:700}
.footer-col h4{font-size:14px;margin-bottom:14px;color:var(--gold-2)}
.footer-col li{margin-bottom:10px;color:var(--muted);font-size:13.5px}
.footer-col a:hover{color:var(--gold-2)}
.footer-bottom{display:flex;justify-content:space-between;gap:16px;flex-wrap:wrap;margin-top:38px;padding-top:20px;border-top:1px solid var(--line);color:var(--muted);font-size:12.5px}
.fab{
  position:fixed;left:16px;bottom:96px;z-index:50;width:56px;height:56px;border-radius:50%;
  display:grid;place-items:center;color:#08131B;
  background:linear-gradient(135deg,var(--gold-2),var(--gold-deep));
  border:2px solid var(--gold);box-shadow:0 6px 25px rgba(245,158,11,.35);
  animation:fabFloat 2.8s ease-in-out infinite;transition:transform .3s ease,opacity .3s ease;
}
.fab:hover{transform:scale(1.1) rotate(10deg);opacity:1}
.fab:active{transform:scale(.95) translateY(4px)}
.fab .alert-dot{position:absolute;top:2px;right:2px;width:14px;height:14px;border-radius:50%;background:#DC2626;border:2px solid #fff}
@keyframes fabFloat{0%,100%{transform:translateY(0)}50%{transform:translateY(-7px)}}
@media (max-width:1024px){
  .main-nav{position:absolute;top:72px;left:0;right:0;display:none;flex-direction:column;align-items:stretch;gap:6px;padding:18px 20px;background:rgba(4,18,28,.98);border-bottom:1px solid var(--line);box-shadow:var(--shadow)}
  .main-nav.is-open{display:flex}
  .nav-link{padding:12px 14px}
  .nav-toggle{display:flex;margin-left:auto}
  .header-cta .btn-ghost{display:none}
  .hero-grid,.split,.faq-wrap{grid-template-columns:1fr}
  .dashboard-card{margin-top:8px}
  .card-grid,.news-grid{grid-template-columns:repeat(2,minmax(0,1fr))}
  .steps{grid-template-columns:repeat(2,minmax(0,1fr))}
  .footer-grid{grid-template-columns:1.5fr 1fr 1fr}
}
@media (max-width:768px){
  .header-cta .btn{padding:10px 15px;font-size:13px}
  .brand-text{max-width:190px;font-size:14px}
  .category-hero{padding-top:102px}
  .hero-metrics,.card-grid,.news-grid,.scenario-grid,.evidence-grid{grid-template-columns:1fr}
  .action-strip{grid-template-columns:1fr}
  .action-strip .actions{justify-content:flex-start}
  .footer-grid{grid-template-columns:1fr 1fr}
  .footer-brand{grid-column:1/-1}
}
@media (max-width:520px){
  .container{padding:0 16px}
  .header-inner{min-height:66px;gap:10px}
  .brand-mark{width:34px;height:34px;font-size:16px}
  .brand-text{max-width:146px;font-size:12.5px}
  .brand-text em{font-size:8px;letter-spacing:.08em}
  .header-cta .btn-ghost{display:none}
  .header-cta .btn-gold{padding:9px 13px;font-size:12px}
  .nav-toggle{width:40px;height:40px;padding:0 10px}
  .category-hero h1{font-size:27px}
  .hero-actions .btn{width:100%}
  .hero-metrics{grid-template-columns:1fr}
  .rtp-list{padding-left:18px;padding-right:18px}
  .dashboard-head{padding-left:18px;padding-right:18px}
  .steps{grid-template-columns:1fr}
  .scenario{grid-template-columns:1fr}
  .footer-grid{grid-template-columns:1fr}
  .footer-bottom{display:block}
  .footer-bottom p+p{margin-top:8px}
  .fab{left:12px;bottom:86px}
}

/* roulang page: category1 */
:root{
  --bg:#04121C;
  --bg-alt:#061926;
  --surface:#092130;
  --surface-2:#0D2A3C;
  --line:rgba(148,163,184,.18);
  --line-strong:rgba(240,180,41,.38);
  --gold:#F0B429;
  --gold-2:#FCD34D;
  --gold-deep:#B45309;
  --aqua:#22D3EE;
  --emerald:#10B981;
  --text:#F1F5F9;
  --soft:#C6D4E0;
  --muted:#93A7B8;
  --radius-xs:8px;
  --radius-sm:12px;
  --radius:18px;
  --radius-lg:26px;
  --shadow-sm:0 6px 18px rgba(2,10,18,.4);
  --shadow:0 18px 44px rgba(2,10,18,.55);
  --shadow-gold:0 12px 32px rgba(240,180,41,.24);
  --container:1200px;
  --section-y:clamp(56px,7vw,100px);
}
*,*::before,*::after{box-sizing:border-box}
html{-webkit-text-size-adjust:100%;scroll-behavior:smooth}
body{
  margin:0;
  padding-bottom:74px;
  background:var(--bg);
  color:var(--text);
  font-family:'Be Vietnam Pro',-apple-system,BlinkMacSystemFont,'Segoe UI',Roboto,'Helvetica Neue',Arial,sans-serif;
  font-size:16px;
  line-height:1.65;
  -webkit-font-smoothing:antialiased;
  overflow-x:hidden;
}
img{max-width:100%;height:auto;display:block}
a{color:inherit;text-decoration:none;transition:color .25s ease}
ul,ol{margin:0;padding:0;list-style:none}
p{margin:0 0 14px}
h1,h2,h3,h4{margin:0;font-weight:800;line-height:1.24;letter-spacing:-.01em}
button,input{font-family:inherit}
.container{width:100%;max-width:var(--container);margin:0 auto;padding:0 20px}
::selection{background:rgba(240,180,41,.32);color:#fff}

/* ===== HEADER ===== */
.site-header{
  position:fixed;top:0;left:0;right:0;z-index:60;
  background:rgba(4,18,28,.86);
  backdrop-filter:blur(14px);
  -webkit-backdrop-filter:blur(14px);
  border-bottom:1px solid var(--line);
  transition:background .3s ease,box-shadow .3s ease;
}
.site-header.is-scrolled{background:rgba(4,18,28,.97);box-shadow:0 10px 30px rgba(2,10,18,.6)}
.header-inner{position:relative;display:flex;align-items:center;gap:18px;min-height:72px}
.brand{display:flex;align-items:center;gap:11px;flex:0 0 auto}
.brand-mark{
  width:38px;height:38px;border-radius:12px;display:grid;place-items:center;
  background:linear-gradient(135deg,var(--gold-2),var(--gold-deep));
  color:#08131B;font-size:18px;box-shadow:var(--shadow-gold);
}
.brand-text{font-size:15px;font-weight:800;line-height:1.2;max-width:262px;letter-spacing:-.01em}
.brand-text em{display:block;font-style:normal;font-size:10.5px;letter-spacing:.14em;text-transform:uppercase;color:var(--gold-2);font-weight:700}
.main-nav{display:flex;align-items:center;gap:4px;margin-left:auto}
.nav-link{
  padding:9px 14px;border-radius:999px;font-size:13.5px;font-weight:600;
  color:var(--muted);white-space:nowrap;transition:color .25s ease,background .25s ease;
}
.nav-link:hover{color:var(--text);background:rgba(255,255,255,.07)}
.nav-link.is-active{color:#08131B;background:linear-gradient(135deg,var(--gold),var(--gold-2))}
.header-cta{display:flex;gap:10px;align-items:center;flex:0 0 auto}
.nav-toggle{
  display:none;flex-direction:column;justify-content:center;gap:5px;
  width:44px;height:44px;border-radius:12px;border:1px solid var(--line);
  background:rgba(9,33,48,.8);cursor:pointer;padding:0 12px;
}
.nav-toggle span{display:block;height:2px;background:var(--gold-2);border-radius:2px;transition:transform .3s ease,opacity .3s ease}
.nav-toggle[aria-expanded="true"] span:nth-child(1){transform:translateY(7px) rotate(45deg)}
.nav-toggle[aria-expanded="true"] span:nth-child(2){opacity:0}
.nav-toggle[aria-expanded="true"] span:nth-child(3){transform:translateY(-7px) rotate(-45deg)}

/* ===== BUTTONS ===== */
.btn{
  display:inline-flex;align-items:center;justify-content:center;gap:8px;
  padding:11px 20px;border-radius:999px;font-size:14px;font-weight:700;
  border:1px solid transparent;cursor:pointer;text-align:center;
  transition:transform .22s ease,box-shadow .28s ease,background .28s ease,color .28s ease,border-color .28s ease;
}
.btn-gold{background:linear-gradient(135deg,var(--gold-2),var(--gold));color:#0B1720;box-shadow:var(--shadow-gold)}
.btn-gold:hover{transform:translateY(-2px);box-shadow:0 16px 36px rgba(240,180,41,.36)}
.btn-gold:active{transform:translateY(1px)}
.btn-ghost{background:transparent;border-color:rgba(240,180,41,.5);color:var(--gold-2)}
.btn-ghost:hover{background:rgba(240,180,41,.14);border-color:var(--gold)}
.btn-outline{background:rgba(255,255,255,.05);border-color:var(--line);color:var(--text)}
.btn-outline:hover{border-color:var(--gold);color:var(--gold-2);transform:translateY(-2px)}
.btn-lg{padding:15px 28px;font-size:15px}
.btn:focus-visible,.nav-link:focus-visible,.fab:focus-visible,a:focus-visible{outline:2px solid var(--gold-2);outline-offset:3px}

/* ===== HERO CATEGORY ===== */
.cat-hero{position:relative;padding:clamp(104px,12vw,150px) 0 clamp(50px,6vw,80px);background:var(--bg-alt);overflow:hidden}
.cat-hero-bg{position:absolute;inset:0}
.cat-hero-bg img{width:100%;height:100%;object-fit:cover;opacity:.24}
.cat-hero-bg::after{content:"";position:absolute;inset:0;background:linear-gradient(180deg,rgba(4,18,28,.7) 0%,rgba(4,18,28,.9) 50%,var(--bg) 100%)}
.cat-hero-inner{position:relative;z-index:2;display:grid;grid-template-columns:minmax(0,1.1fr) minmax(0,.9fr);gap:clamp(26px,4vw,54px);align-items:start}
.eyebrow{
  display:inline-flex;align-items:center;gap:8px;margin-bottom:18px;
  padding:7px 15px;border-radius:999px;font-size:11.5px;font-weight:700;
  letter-spacing:.1em;text-transform:uppercase;color:var(--gold-2);
  background:rgba(240,180,41,.12);border:1px solid var(--line-strong);
}
.cat-hero h1{font-size:clamp(26px,4vw,44px);margin-bottom:18px}
.lead{font-size:clamp(15px,1.05vw,16.5px);color:var(--soft);line-height:1.72;max-width:640px}
.hero-points{margin:22px 0 26px;display:grid;gap:11px;max-width:640px}
.hero-points li{position:relative;padding-left:30px;font-size:14.5px;color:#D8E4EE}
.hero-points li::before{
  content:"\f0da";font-family:"Font Awesome 6 Free";font-weight:900;color:var(--gold);
  position:absolute;left:8px;top:1px;font-size:13px;
}
.hero-actions{display:flex;flex-wrap:wrap;gap:14px}

.rtp-panel{
  border:1px solid var(--line);border-radius:var(--radius-lg);
  background:linear-gradient(160deg,rgba(13,42,60,.96),rgba(6,25,38,.96));
  padding:22px;box-shadow:var(--shadow);
}
.rtp-panel-head{display:flex;align-items:center;gap:10px;padding-bottom:14px;border-bottom:1px solid var(--line);font-size:13.5px;color:var(--soft)}
.pulse-dot{width:9px;height:9px;border-radius:50%;background:var(--emerald);box-shadow:0 0 0 0 rgba(16,185,129,.6);animation:pulse 1.8s infinite}
@keyframes pulse{0%{box-shadow:0 0 0 0 rgba(16,185,129,.55)}70%{box-shadow:0 0 0 12px rgba(16,185,129,0)}100%{box-shadow:0 0 0 0 rgba(16,185,129,0)}}
.rtp-rows{display:grid;gap:2px;margin:8px 0 4px}
.rtp-rows li{display:grid;grid-template-columns:1fr auto;gap:6px 10px;align-items:center;padding:12px 0;border-bottom:1px dashed rgba(148,163,184,.16)}
.rtp-name{font-size:14px;font-weight:600;color:#E4ECF3}
.rtp-val{font-size:15px;font-weight:800;color:var(--gold-2)}
.rtp-rows .tag{grid-column:1 / -1;justify-self:start;font-size:11px;font-weight:700;letter-spacing:.06em;text-transform:uppercase;padding:3px 10px;border-radius:999px}
.tag-hot{background:rgba(239,68,68,.16);color:#FCA5A5;border:1px solid rgba(239,68,68,.35)}
.tag-mid{background:rgba(240,180,41,.14);color:var(--gold-2);border:1px solid var(--line-strong)}
.tag-cold{background:rgba(148,163,184,.12);color:#A9BCCB;border:1px solid var(--line)}
.rtp-foot{display:grid;grid-template-columns:repeat(3,minmax(0,1fr));gap:10px;margin-top:18px;padding-top:16px;border-top:1px solid var(--line)}
.rtp-foot strong{display:block;font-size:19px;font-weight:800;color:var(--gold-2);line-height:1.2}
.rtp-foot span{display:block;font-size:11.5px;color:var(--muted);line-height:1.4;margin-top:3px}

/* ===== SECTIONS ===== */
.section{padding:var(--section-y) 0;position:relative}
.section-alt{background:var(--bg-alt)}
.section-line{border-top:1px solid var(--line)}
.section-head{max-width:760px;margin-bottom:clamp(28px,3.4vw,44px)}
.section-head h2{font-size:clamp(22px,2.6vw,33px);margin-bottom:14px}
.section-head p{color:var(--soft);font-size:15.5px;margin:0}
.kicker{display:block;font-size:11.5px;font-weight:700;letter-spacing:.14em;text-transform:uppercase;color:var(--gold);margin-bottom:12px}

/* ===== SPLIT ===== */
.split{display:grid;grid-template-columns:minmax(0,1.05fr) minmax(0,.95fr);gap:clamp(24px,4vw,52px);align-items:center}
.split-media{border-radius:var(--radius-lg);overflow:hidden;border:1px solid var(--line);box-shadow:var(--shadow)}
.split-media img{width:100%;aspect-ratio:16/11;object-fit:cover}
.body-copy p{color:var(--soft);font-size:15.5px}
.body-copy strong{color:var(--text)}
.mini-stats{display:grid;grid-template-columns:repeat(3,minmax(0,1fr));gap:14px;margin-top:24px}
.mini-stats div{padding:14px 16px;border:1px solid var(--line);border-radius:var(--radius-sm);background:rgba(9,33,48,.7)}
.mini-stats strong{display:block;font-size:20px;font-weight:800;color:var(--gold-2)}
.mini-stats span{font-size:12px;color:var(--muted);line-height:1.45;display:block;margin-top:3px}

/* ===== STAT TILES ===== */
.stat-grid{display:grid;grid-template-columns:repeat(4,minmax(0,1fr));gap:18px}
.stat-tile{
  padding:24px 22px;border-radius:var(--radius);border:1px solid var(--line);
  background:linear-gradient(165deg,rgba(13,42,60,.85),rgba(6,25,38,.85));
  transition:transform .28s ease,border-color .28s ease,box-shadow .28s ease;
}
.stat-tile:hover{transform:translateY(-4px);border-color:var(--line-strong);box-shadow:var(--shadow-gold)}
.stat-tile .ico{
  width:44px;height:44px;border-radius:14px;display:grid;place-items:center;margin-bottom:16px;
  background:rgba(240,180,41,.12);border:1px solid var(--line-strong);color:var(--gold-2);font-size:18px;
}
.stat-tile h3{font-size:17px;margin-bottom:8px}
.stat-tile p{font-size:14px;color:var(--muted);margin:0}
.stat-tile .num{display:block;margin-top:14px;font-size:22px;font-weight:800;color:var(--gold-2)}

/* ===== FLOW ===== */
.flow{margin-top:8px;border-top:1px solid var(--line)}
.flow-step{display:grid;grid-template-columns:74px minmax(0,1fr);gap:20px;padding:24px 0;border-bottom:1px solid var(--line);align-items:start}
.flow-num{
  width:56px;height:56px;border-radius:16px;display:grid;place-items:center;
  font-weight:800;font-size:19px;color:var(--gold-2);
  background:rgba(240,180,41,.1);border:1px solid var(--line-strong);
}
.flow-step h3{font-size:17.5px;margin-bottom:7px}
.flow-step p{margin:0;color:var(--muted);font-size:14.6px;max-width:840px}

/* ===== TIME SLOTS ===== */
.slot-grid{display:grid;grid-template-columns:repeat(3,minmax(0,1fr));gap:18px}
.slot-card{
  border:1px solid var(--line);border-radius:var(--radius);padding:24px 22px;
  background:rgba(9,33,48,.72);position:relative;overflow:hidden;
  transition:transform .28s ease,border-color .28s ease;
}
.slot-card:hover{transform:translateY(-4px);border-color:var(--line-strong)}
.slot-card .time{font-size:13px;font-weight:700;letter-spacing:.08em;color:var(--gold-2);text-transform:uppercase}
.slot-card h3{font-size:18px;margin:12px 0 10px}
.slot-card p{margin:0;color:var(--muted);font-size:14.4px}
.bar{height:6px;border-radius:999px;background:rgba(148,163,184,.18);margin-top:18px;overflow:hidden}
.bar i{display:block;height:100%;border-radius:999px;background:linear-gradient(90deg,var(--gold),var(--gold-2))}
.slot-card small{display:block;margin-top:10px;font-size:12px;color:var(--muted)}

/* ===== CHECKLIST ===== */
.chk-grid{display:grid;grid-template-columns:repeat(2,minmax(0,1fr));gap:14px 30px;margin-top:6px}
.chk-item{position:relative;padding-left:34px;font-size:15px;color:var(--soft);line-height:1.6}
.chk-item::before{
  content:"\f00c";font-family:"Font Awesome 6 Free";font-weight:900;
  position:absolute;left:0;top:2px;width:22px;height:22px;border-radius:7px;
  display:grid;place-items:center;font-size:11px;color:#062317;
  background:linear-gradient(135deg,var(--emerald),#34D399);
}
.note-strip{
  margin-top:30px;padding:20px 22px;border-radius:var(--radius);border:1px dashed var(--line-strong);
  background:rgba(240,180,41,.07);color:var(--soft);font-size:14.6px;
}
.note-strip strong{color:var(--gold-2)}

/* ===== WARNING LIST ===== */
.warn-list{counter-reset:w;display:grid;gap:0;border-top:1px solid var(--line)}
.warn-list li{counter-increment:w;position:relative;padding:22px 0 22px 62px;border-bottom:1px solid var(--line)}
.warn-list li::before{
  content:counter(w,decimal-leading-zero);position:absolute;left:0;top:22px;
  font-size:14px;font-weight:800;color:#FCA5A5;letter-spacing:.06em;
}
.warn-list h3{font-size:16.5px;margin-bottom:6px}
.warn-list p{margin:0;color:var(--muted);font-size:14.6px;max-width:900px}

/* ===== CATEGORY ENTRY ===== */
.cat-grid{display:grid;grid-template-columns:repeat(3,minmax(0,1fr));gap:20px}
.cat-tile{
  display:block;border-radius:var(--radius-lg);overflow:hidden;border:1px solid var(--line);
  background:rgba(9,33,48,.78);transition:transform .3s ease,border-color .3s ease,box-shadow .3s ease;
}
.cat-tile:hover{transform:translateY(-5px);border-color:var(--line-strong);box-shadow:var(--shadow-gold)}
.cat-tile img{width:100%;aspect-ratio:16/9;object-fit:cover;opacity:.85;transition:opacity .3s ease,transform .5s ease}
.cat-tile:hover img{opacity:1;transform:scale(1.04)}
.cat-tile-body{padding:20px 22px 24px}
.cat-tile-body h3{font-size:18px;margin-bottom:9px}
.cat-tile-body p{margin:0;color:var(--muted);font-size:14.4px}
.cat-tile-body .more{display:inline-flex;align-items:center;gap:8px;margin-top:16px;font-size:13.5px;font-weight:700;color:var(--gold-2)}
.current-pill{
  display:inline-block;margin-bottom:12px;padding:4px 11px;border-radius:999px;font-size:11px;
  font-weight:700;letter-spacing:.08em;text-transform:uppercase;
  color:#062317;background:linear-gradient(135deg,var(--emerald),#34D399);
}

/* ===== FAQ ===== */
.faq{border-top:1px solid var(--line);max-width:980px}
.faq-item{border-bottom:1px solid var(--line)}
.faq-item summary{
  list-style:none;cursor:pointer;padding:22px 46px 22px 0;position:relative;
  font-size:16.5px;font-weight:700;color:var(--text);
}
.faq-item summary::-webkit-details-marker{display:none}
.faq-item summary::after{
  content:"\f067";font-family:"Font Awesome 6 Free";font-weight:900;
  position:absolute;right:6px;top:24px;font-size:13px;color:var(--gold-2);transition:transform .3s ease;
}
.faq-item[open] summary::after{transform:rotate(45deg)}
.faq-item summary:hover{color:var(--gold-2)}
.faq-item .answer{padding:0 60px 24px 0;color:var(--muted);font-size:14.8px}

/* ===== CTA ===== */
.cta-band{
  position:relative;border-radius:var(--radius-lg);overflow:hidden;
  border:1px solid var(--line-strong);
  background:linear-gradient(135deg,rgba(240,180,41,.16),rgba(6,25,38,.95) 55%);
  padding:clamp(28px,4vw,52px);
}
.cta-inner{display:grid;grid-template-columns:minmax(0,1fr) minmax(0,.9fr);gap:clamp(24px,4vw,48px);align-items:center}
.cta-inner h2{font-size:clamp(21px,2.5vw,31px);margin-bottom:12px}
.cta-inner p{color:var(--soft);font-size:15.4px;margin:0}
.cta-form label{display:block;font-size:13.5px;font-weight:600;color:#D8E4EE;margin-bottom:10px}
.cta-row{display:flex;gap:10px;flex-wrap:wrap}
.cta-row input{
  flex:1 1 180px;min-width:0;padding:13px 18px;border-radius:999px;
  border:1px solid var(--line);background:rgba(4,18,28,.72);color:var(--text);font-size:14px;
  transition:border-color .25s ease,box-shadow .25s ease;
}
.cta-row input::placeholder{color:#5F7488}
.cta-row input:focus{outline:none;border-color:var(--gold);box-shadow:0 0 0 3px rgba(240,180,41,.22)}
.form-note{margin:12px 0 0;font-size:12.5px;color:var(--muted)}

/* ===== FAB ===== */
.fab{
  position:fixed;left:16px;bottom:96px;z-index:50;width:56px;height:56px;border-radius:50%;
  display:grid;place-items:center;
  background:radial-gradient(circle at 32% 26%,#1B2A36,#08131B 72%);
  border:2px solid var(--gold);color:var(--gold-2);font-size:21px;
  box-shadow:0 6px 25px rgba(245,158,11,.35);opacity:.85;
  transition:transform .3s ease,opacity .3s ease,box-shadow .3s ease;
}
.fab-inner{display:grid;place-items:center;animation:fabFloat 3.4s ease-in-out infinite}
@keyframes fabFloat{0%,100%{transform:translateY(0)}50%{transform:translateY(-6px)}}
.fab i{transition:transform .55s ease}
.fab:hover{opacity:1;transform:scale(1.1);box-shadow:0 12px 34px rgba(245,158,11,.5)}
.fab:hover i{transform:rotate(360deg)}
.fab:active{transform:scale(.95) translateY(4px)}
.fab-badge{position:absolute;top:-3px;right:-3px;width:14px;height:14px;border-radius:50%;background:#DC2626;box-shadow:0 0 0 2px #fff}

/* ===== FOOTER ===== */
.site-footer{background:var(--bg-alt);border-top:1px solid var(--line);padding:clamp(44px,5vw,70px) 0 26px}
.footer-grid{display:grid;grid-template-columns:1.5fr 1fr 1fr 1fr;gap:clamp(22px,3vw,44px)}
.footer-brand p{color:var(--muted);font-size:14px;margin:16px 0 0;max-width:360px}
.footer-badges{display:flex;flex-wrap:wrap;gap:8px;margin-top:18px}
.footer-badges span{
  font-size:11.5px;font-weight:700;letter-spacing:.06em;padding:6px 12px;border-radius:999px;
  border:1px solid var(--line);color:var(--soft);background:rgba(9,33,48,.7);
}
.footer-col h4{font-size:14px;margin-bottom:16px;color:var(--text)}
.footer-col ul{display:grid;gap:10px}
.footer-col a,.footer-col span{color:var(--muted);font-size:13.8px;transition:color .25s ease}
.footer-col a:hover{color:var(--gold-2)}
.footer-bottom{
  display:flex;flex-wrap:wrap;justify-content:space-between;gap:10px;
  margin-top:clamp(30px,4vw,48px);padding-top:22px;border-top:1px solid var(--line);
}
.footer-bottom p{margin:0;font-size:12.5px;color:var(--muted)}

/* ===== RESPONSIVE ===== */
@media (max-width:1080px){
  .stat-grid{grid-template-columns:repeat(2,minmax(0,1fr))}
  .slot-grid{grid-template-columns:repeat(2,minmax(0,1fr))}
  .cat-grid{grid-template-columns:repeat(2,minmax(0,1fr))}
  .footer-grid{grid-template-columns:repeat(2,minmax(0,1fr))}
}
@media (max-width:980px){
  .main-nav{
    position:absolute;top:100%;left:0;right:0;margin:0;
    flex-direction:column;align-items:stretch;gap:6px;
    padding:16px 20px 22px;background:rgba(4,18,28,.985);
    border-bottom:1px solid var(--line);display:none;
  }
  .main-nav.is-open{display:flex}
  .nav-toggle{display:flex;order:3}
  .header-cta{margin-left:auto;order:2}
  .cat-hero-inner,.split,.cta-inner{grid-template-columns:minmax(0,1fr)}
  .brand-text{max-width:170px;font-size:13px}
}
@media (max-width:768px){
  body{font-size:15.4px}
  .chk-grid{grid-template-columns:minmax(0,1fr)}
  .slot-grid{grid-template-columns:minmax(0,1fr)}
  .cat-grid{grid-template-columns:minmax(0,1fr)}
  .flow-step{grid-template-columns:56px minmax(0,1fr);gap:16px}
  .flow-num{width:46px;height:46px;font-size:16px;border-radius:13px}
  .rtp-foot{grid-template-columns:repeat(3,minmax(0,1fr));gap:8px}
  .mini-stats{grid-template-columns:minmax(0,1fr)}
}
@media (max-width:560px){
  .container{padding:0 15px}
  .header-inner{gap:10px;min-height:64px}
  .brand-mark{width:34px;height:34px;font-size:16px;border-radius:10px}
  .brand-text{max-width:118px;font-size:12px}
  .brand-text em{font-size:9px;letter-spacing:.08em}
  .header-cta{gap:6px}
  .header-cta .btn{padding:9px 12px;font-size:12px}
  .stat-grid{grid-template-columns:minmax(0,1fr)}
  .hero-actions .btn{flex:1 1 100%}
  .footer-grid{grid-template-columns:minmax(0,1fr)}
  .faq-item .answer{padding-right:10px}
  .fab{left:12px;bottom:88px;width:52px;height:52px}
}

/* roulang page: category3 */
:root{
  --bg:#04121C;
  --bg-alt:#061926;
  --surface:#092130;
  --surface-2:#0D2A3C;
  --line:rgba(148,163,184,.18);
  --line-strong:rgba(240,180,41,.38);
  --gold:#F0B429;
  --gold-2:#FCD34D;
  --gold-deep:#B45309;
  --aqua:#22D3EE;
  --emerald:#10B981;
  --text:#F1F5F9;
  --soft:#C6D4E0;
  --muted:#93A7B8;
  --radius-xs:8px;
  --radius-sm:12px;
  --radius:18px;
  --radius-lg:26px;
  --shadow-sm:0 6px 18px rgba(2,10,18,.4);
  --shadow:0 18px 44px rgba(2,10,18,.55);
  --shadow-gold:0 12px 32px rgba(240,180,41,.24);
  --container:1200px;
  --section-y:clamp(56px,7vw,100px);
}
*{box-sizing:border-box}
html{-webkit-text-size-adjust:100%;scroll-behavior:smooth}
body{
  margin:0;padding-bottom:74px;background:var(--bg);color:var(--text);
  font-family:'Be Vietnam Pro',-apple-system,BlinkMacSystemFont,'Segoe UI',Roboto,'Helvetica Neue',Arial,sans-serif;
  font-size:16px;line-height:1.65;-webkit-font-smoothing:antialiased;overflow-x:hidden;
}
img{max-width:100%;height:auto;display:block}
a{color:inherit;text-decoration:none}
button,input{font-family:inherit}
.container{width:100%;max-width:var(--container);margin:0 auto;padding:0 20px}
.site-header{
  position:fixed;top:0;left:0;right:0;z-index:60;background:rgba(4,18,28,.86);
  backdrop-filter:blur(14px);-webkit-backdrop-filter:blur(14px);
  border-bottom:1px solid var(--line);transition:background .3s ease,box-shadow .3s ease;
}
.site-header.is-scrolled{background:rgba(4,18,28,.97);box-shadow:0 10px 30px rgba(2,10,18,.6)}
.header-inner{position:relative;display:flex;align-items:center;gap:18px;min-height:72px}
.brand{display:flex;align-items:center;gap:11px;flex:0 0 auto}
.brand-mark{
  width:38px;height:38px;border-radius:12px;display:grid;place-items:center;
  background:linear-gradient(135deg,var(--gold-2),var(--gold-deep));
  color:#08131B;font-size:18px;box-shadow:var(--shadow-gold);
}
.brand-text{font-size:15px;font-weight:800;line-height:1.2;max-width:262px;letter-spacing:-.01em}
.brand-text em{display:block;font-style:normal;font-size:10.5px;letter-spacing:.14em;text-transform:uppercase;color:var(--gold-2);font-weight:700}
.main-nav{display:flex;align-items:center;gap:4px;margin-left:auto}
.nav-link{padding:9px 14px;border-radius:999px;font-size:13.5px;font-weight:600;color:var(--muted);white-space:nowrap;transition:color .25s ease,background .25s ease}
.nav-link:hover{color:var(--text);background:rgba(255,255,255,.07)}
.nav-link.is-active{color:#08131B;background:linear-gradient(135deg,var(--gold),var(--gold-2))}
.header-cta{display:flex;gap:10px;align-items:center;flex:0 0 auto}
.nav-toggle{display:none;flex-direction:column;justify-content:center;gap:5px;width:44px;height:44px;border-radius:12px;border:1px solid var(--line);background:rgba(9,33,48,.8);cursor:pointer;padding:0 12px}
.nav-toggle span{display:block;height:2px;background:var(--gold-2);border-radius:2px;transition:transform .3s ease,opacity .3s ease}
.nav-toggle[aria-expanded="true"] span:nth-child(1){transform:translateY(7px) rotate(45deg)}
.nav-toggle[aria-expanded="true"] span:nth-child(2){opacity:0}
.nav-toggle[aria-expanded="true"] span:nth-child(3){transform:translateY(-7px) rotate(-45deg)}
.btn{
  display:inline-flex;align-items:center;justify-content:center;gap:8px;padding:11px 20px;border-radius:999px;
  font-size:14px;font-weight:700;border:1px solid transparent;cursor:pointer;text-align:center;
  transition:transform .22s ease,box-shadow .28s ease,background .28s ease,color .28s ease,border-color .28s ease;
}
.btn-gold{background:linear-gradient(135deg,var(--gold-2),var(--gold));color:#0B1720;box-shadow:var(--shadow-gold)}
.btn-gold:hover{transform:translateY(-2px);box-shadow:0 16px 36px rgba(240,180,41,.36)}
.btn-gold:active{transform:translateY(1px)}
.btn-ghost{background:transparent;border-color:rgba(240,180,41,.5);color:var(--gold-2)}
.btn-ghost:hover{background:rgba(240,180,41,.14);border-color:var(--gold)}
.btn-outline{background:rgba(255,255,255,.05);border-color:var(--line);color:var(--text)}
.btn-outline:hover{border-color:var(--gold);color:var(--gold-2);transform:translateY(-2px)}
.btn-lg{padding:15px 28px;font-size:15px}
.category-hero{
  position:relative;padding:clamp(108px,13vw,160px) 0 clamp(56px,7vw,92px);
  background:linear-gradient(135deg,var(--bg-alt) 0%,var(--bg) 70%);overflow:hidden;
}
.category-hero::before{
  content:"";position:absolute;top:-180px;right:-120px;width:560px;height:560px;border-radius:50%;
  background:radial-gradient(circle,rgba(240,180,41,.16),transparent 68%);pointer-events:none;
}
.category-hero-inner{position:relative;z-index:2;display:grid;grid-template-columns:minmax(0,1.05fr) minmax(0,.95fr);gap:clamp(30px,4vw,60px);align-items:center}
.badge{
  display:inline-flex;align-items:center;gap:8px;margin-bottom:18px;padding:7px 15px;border-radius:999px;
  font-size:11.5px;font-weight:700;letter-spacing:.1em;text-transform:uppercase;color:var(--gold-2);
  background:rgba(240,180,41,.12);border:1px solid var(--line-strong);
}
.category-hero h1{font-size:clamp(27px,4.2vw,47px);margin:0 0 20px;line-height:1.2}
.hero-lead{font-size:clamp(15px,1.05vw,16.5px);color:var(--soft);line-height:1.72;max-width:660px}
.hero-actions{display:flex;flex-wrap:wrap;gap:14px;margin-top:26px}
.hero-metrics{display:grid;grid-template-columns:repeat(3,minmax(0,1fr));gap:14px;margin-top:30px;max-width:660px;padding:0;list-style:none}
.hero-metrics li{padding:16px 18px;border:1px solid var(--line);border-radius:var(--radius);background:rgba(9,33,48,.72)}
.hero-metrics strong{display:block;font-size:22px;font-weight:800;color:var(--gold-2);line-height:1.15}
.hero-metrics span{display:block;font-size:12.5px;color:var(--muted);line-height:1.45;margin-top:4px}
.hero-visual{position:relative}
.hero-visual img{width:100%;border-radius:var(--radius-lg);border:1px solid var(--line-strong);box-shadow:var(--shadow);object-fit:cover;aspect-ratio:4/3}
.hero-floating{
  position:absolute;left:-18px;bottom:26px;padding:15px 18px;border-radius:var(--radius);
  background:rgba(4,18,28,.9);border:1px solid var(--line-strong);box-shadow:var(--shadow);backdrop-filter:blur(10px);
}
.hero-floating strong{display:block;font-size:20px;color:var(--gold-2);line-height:1.1}
.hero-floating span{font-size:12px;color:var(--muted)}
.section{padding:var(--section-y) 0}
.section-alt{background:var(--bg-alt);border-block:1px solid var(--line)}
.section-head{max-width:760px;margin-bottom:32px}
.section-head h2{font-size:clamp(23px,2.4vw,34px);line-height:1.28;margin:0 0 12px}
.section-head p{color:var(--soft);margin:0;line-height:1.7}
.label{display:inline-block;font-size:11px;letter-spacing:.12em;text-transform:uppercase;color:var(--gold-2);font-weight:700;margin-bottom:10px}
.grid-2{display:grid;grid-template-columns:repeat(2,minmax(0,1fr));gap:22px}
.grid-3{display:grid;grid-template-columns:repeat(3,minmax(0,1fr));gap:22px}
.grid-4{display:grid;grid-template-columns:repeat(4,minmax(0,1fr));gap:18px}
.feature-card{
  padding:26px;border:1px solid var(--line);border-radius:var(--radius);background:linear-gradient(160deg,var(--surface),rgba(9,33,48,.55));
  transition:transform .25s ease,border-color .25s ease,box-shadow .25s ease;
}
.feature-card:hover{transform:translateY(-5px);border-color:var(--line-strong);box-shadow:var(--shadow)}
.feature-card i{font-size:22px;color:var(--gold-2);margin-bottom:14px;display:block}
.feature-card h3{font-size:18px;margin:0 0 10px;line-height:1.35}
.feature-card p{margin:0;color:var(--soft);font-size:14.5px;line-height:1.68}
.data-strip{
  display:grid;grid-template-columns:repeat(4,minmax(0,1fr));gap:1px;background:var(--line);
  border:1px solid var(--line);border-radius:var(--radius);overflow:hidden;
}
.data-strip div{padding:22px 20px;background:var(--surface);text-align:left}
.data-strip strong{display:block;font-size:24px;color:var(--gold-2);font-weight:800;line-height:1.1}
.data-strip span{display:block;font-size:12.5px;color:var(--muted);margin-top:5px}
.split{display:grid;grid-template-columns:minmax(0,.92fr) minmax(0,1.08fr);gap:clamp(26px,4vw,54px);align-items:center}
.split img{width:100%;border-radius:var(--radius-lg);border:1px solid var(--line);box-shadow:var(--shadow)}
.check-list{list-style:none;margin:0;padding:0}
.check-list li{position:relative;padding:12px 0 12px 34px;color:var(--soft);border-bottom:1px dashed var(--line)}
.check-list li::before{
  content:"\f00c";font-family:"Font Awesome 6 Free";font-weight:900;position:absolute;left:0;top:12px;
  color:var(--gold-2);font-size:13px;
}
.scenario-list{display:grid;gap:16px}
.scenario-item{
  display:grid;grid-template-columns:64px minmax(0,1fr);gap:18px;padding:20px;border:1px solid var(--line);
  border-radius:var(--radius);background:rgba(9,33,48,.72);
}
.scenario-item .num{
  width:52px;height:52px;border-radius:16px;display:grid;place-items:center;
  background:linear-gradient(135deg,var(--gold-2),var(--gold-deep));color:#08131B;font-weight:800;
}
.scenario-item h3{margin:0 0 6px;font-size:17px}
.scenario-item p{margin:0;color:var(--soft);font-size:14.5px}
.steps{counter-reset:step;display:grid;grid-template-columns:repeat(4,minmax(0,1fr));gap:18px}
.step{
  counter-increment:step;position:relative;padding:24px 20px;border:1px solid var(--line);
  border-radius:var(--radius);background:var(--surface);
}
.step::before{
  content:counter(step,decimal-leading-zero);display:block;font-size:12px;font-weight:800;letter-spacing:.12em;
  color:var(--gold-2);margin-bottom:14px;
}
.step h3{font-size:17px;margin:0 0 8px}
.step p{margin:0;color:var(--soft);font-size:14px}
.faq-list{display:grid;gap:14px}
.faq-item{border:1px solid var(--line);border-radius:var(--radius);background:var(--surface);overflow:hidden}
.faq-question{
  width:100%;display:flex;justify-content:space-between;align-items:center;gap:16px;padding:20px 22px;
  background:transparent;border:0;color:var(--text);font-size:16px;font-weight:700;text-align:left;cursor:pointer;
}
.faq-question i{color:var(--gold-2);transition:transform .25s ease}
.faq-item.is-open .faq-question i{transform:rotate(45deg)}
.faq-answer{display:none;padding:0 22px 22px;color:var(--soft);line-height:1.7}
.faq-item.is-open .faq-answer{display:block}
.cta-band{
  position:relative;padding:clamp(34px,5vw,58px);border:1px solid var(--line-strong);border-radius:var(--radius-lg);
  background:linear-gradient(135deg,rgba(240,180,41,.16),rgba(34,211,238,.08));overflow:hidden;
}
.cta-band h2{margin:0 0 12px;font-size:clamp(23px,2.5vw,34px)}
.cta-band p{margin:0 0 22px;color:var(--soft);max-width:720px}
.topic-grid{display:grid;grid-template-columns:repeat(3,minmax(0,1fr));gap:18px}
.topic-card{
  display:block;padding:24px;border:1px solid var(--line);border-radius:var(--radius);
  background:linear-gradient(150deg,var(--surface-2),var(--surface));transition:transform .25s ease,border-color .25s ease;
}
.topic-card:hover{transform:translateY(-4px);border-color:var(--gold)}
.topic-card i{color:var(--gold-2);font-size:20px;margin-bottom:12px;display:block}
.topic-card h3{margin:0 0 8px;font-size:17px}
.topic-card p{margin:0;color:var(--soft);font-size:14px}
.news-list{display:grid;gap:14px}
.news-item{
  display:grid;grid-template-columns:180px minmax(0,1fr);gap:20px;padding:18px;border:1px solid var(--line);
  border-radius:var(--radius);background:var(--surface);transition:border-color .25s ease,transform .25s ease;
}
.news-item:hover{border-color:var(--line-strong);transform:translateY(-3px)}
.news-item img{width:100%;height:118px;object-fit:cover;border-radius:var(--radius-sm)}
.news-item h3{font-size:17px;margin:0 0 8px;line-height:1.4}
.news-item p{font-size:14px;color:var(--soft);margin:0 0 10px}
.news-meta{font-size:12px;color:var(--muted);display:flex;flex-wrap:wrap;gap:12px}
.empty-note{padding:22px;border:1px dashed var(--line-strong);border-radius:var(--radius);color:var(--soft)}
.site-footer{background:#020B12;border-top:1px solid var(--line);padding:clamp(42px,5vw,66px) 0 26px}
.footer-grid{display:grid;grid-template-columns:1.4fr 1fr 1fr 1fr;gap:30px}
.footer-brand p{color:var(--muted);font-size:14px;line-height:1.7;margin:16px 0}
.footer-badges{display:flex;flex-wrap:wrap;gap:8px}
.footer-badges span{
  display:inline-flex;padding:5px 10px;border:1px solid var(--line);border-radius:999px;
  font-size:11px;color:var(--soft);background:rgba(255,255,255,.03);
}
.footer-col h4{font-size:15px;margin:0 0 14px;color:var(--gold-2)}
.footer-col ul{list-style:none;margin:0;padding:0}
.footer-col li{margin-bottom:10px}
.footer-col a,.footer-col span{font-size:13.5px;color:var(--muted);transition:color .2s ease}
.footer-col a:hover{color:var(--gold-2)}
.footer-bottom{
  margin-top:34px;padding-top:20px;border-top:1px solid var(--line);
  display:flex;justify-content:space-between;gap:16px;flex-wrap:wrap;
}
.footer-bottom p{margin:0;color:var(--muted);font-size:12.5px}
.fab-support{
  position:fixed;left:16px;bottom:96px;z-index:50;width:58px;height:58px;border-radius:50%;
  display:grid;place-items:center;background:radial-gradient(circle at 30% 25%,#FFE08A,#D97706 62%,#7C2D12);
  border:2px solid var(--gold);color:#08131B;box-shadow:0 8px 28px rgba(240,180,41,.42);
  animation:floatFab 2.8s ease-in-out infinite;transition:transform .25s ease,opacity .25s ease;opacity:.88;
}
.fab-support:hover{transform:scale(1.1);opacity:1}
.fab-support:active{transform:scale(.95) translateY(3px)}
.fab-support::after{
  content:"";position:absolute;top:3px;right:3px;width:11px;height:11px;background:#DC2626;border-radius:50%;
  border:2px solid #fff;
}
@keyframes floatFab{0%,100%{transform:translateY(0)}50%{transform:translateY(-5px)}}
a:focus-visible,button:focus-visible,input:focus-visible{outline:3px solid rgba(240,180,41,.65);outline-offset:3px}
@media (max-width:1024px){
  .header-inner{gap:10px}
  .brand-text{max-width:190px;font-size:13.5px}
  .nav-link{padding:8px 9px;font-size:12.5px}
  .header-cta .btn{padding:9px 13px;font-size:12.5px}
  .category-hero-inner,.split{grid-template-columns:1fr}
  .hero-visual{order:-1}
  .grid-4,.steps{grid-template-columns:repeat(2,minmax(0,1fr))}
  .footer-grid{grid-template-columns:1.2fr 1fr 1fr}
}
@media (max-width:768px){
  body{padding-bottom:82px}
  .main-nav{
    position:absolute;top:calc(100% + 1px);left:0;right:0;display:none;flex-direction:column;align-items:stretch;
    gap:6px;padding:16px 20px;background:rgba(4,18,28,.98);border-bottom:1px solid var(--line);box-shadow:var(--shadow);
  }
  .main-nav.is-open{display:flex}
  .nav-link{border-radius:var(--radius-sm);padding:12px 14px;font-size:14px}
  .nav-toggle{display:flex;margin-left:auto}
  .header-cta{margin-left:0}
  .header-cta .btn-ghost{display:none}
  .header-cta .btn-gold{padding:10px 14px}
  .brand-text{max-width:178px;font-size:13px}
  .grid-2,.grid-3,.topic-grid{grid-template-columns:1fr}
  .hero-metrics{grid-template-columns:1fr}
  .hero-floating{left:14px;bottom:14px}
  .data-strip{grid-template-columns:repeat(2,minmax(0,1fr))}
  .scenario-item{grid-template-columns:1fr}
  .news-item{grid-template-columns:1fr}
  .news-item img{height:180px}
  .footer-grid{grid-template-columns:1fr 1fr}
}
@media (max-width:520px){
  .container{padding:0 16px}
  .header-inner{min-height:66px;gap:8px}
  .brand-mark{width:34px;height:34px}
  .brand-text{max-width:145px;font-size:12px;line-height:1.15}
  .brand-text em{font-size:8.5px;letter-spacing:.08em}
  .header-cta .btn-gold{padding:9px 11px;font-size:11.5px}
  .category-hero{padding-top:96px}
  .category-hero h1{font-size:26px}
  .grid-4,.steps,.data-strip{grid-template-columns:1fr}
  .feature-card,.scenario-item,.step{padding:20px}
  .footer-grid{grid-template-columns:1fr}
  .footer-bottom{flex-direction:column}
}