/* roulang page: index */
/* ============================== DESIGN TOKENS ============================== */
:root{
  --bg:#051F14;
  --bg-2:#0B2E1E;
  --bg-3:#07281B;
  --panel:rgba(11,46,30,.75);
  --panel-2:rgba(5,31,20,.86);
  --line:rgba(245,158,11,.30);
  --line-soft:rgba(209,250,229,.12);
  --gold:#F59E0B;
  --gold-2:#FCD34D;
  --gold-deep:#B45309;
  --red:#DC2626;
  --ink:#F8FAFC;
  --mint:#D1FAE5;
  --muted:#A3A375;
  --slate:#94A3B8;
  --grad-gold:linear-gradient(135deg,#F59E0B 0%,#FCD34D 100%);
  --grad-panel:linear-gradient(160deg,rgba(11,46,30,.94) 0%,rgba(5,31,20,.97) 100%);
  --r-xs:8px;
  --r-sm:12px;
  --r:18px;
  --r-lg:24px;
  --r-xl:32px;
  --r-full:999px;
  --sh-sm:0 6px 18px rgba(0,0,0,.28);
  --sh:0 18px 42px rgba(0,0,0,.42);
  --sh-gold:0 12px 32px rgba(245,158,11,.28);
  --maxw:1180px;
}

/* ============================== BASE / RESET ============================== */
*,*::before,*::after{box-sizing:border-box}
html{-webkit-text-size-adjust:100%;scroll-behavior:smooth}
body{
  margin:0;
  font-family:'Be Vietnam Pro',system-ui,-apple-system,'Segoe UI',Roboto,'Helvetica Neue',Arial,sans-serif;
  font-size:16px;
  line-height:1.65;
  color:var(--ink);
  background:
    radial-gradient(1100px 520px at 85% -5%,rgba(245,158,11,.10),transparent 62%),
    radial-gradient(900px 500px at 0% 30%,rgba(16,185,129,.08),transparent 60%),
    var(--bg);
  overflow-x:hidden;
}
img{max-width:100%;display:block;height:auto;border-style:none}
a{color:inherit;text-decoration:none;transition:color .25s ease,opacity .25s ease}
button,input,select,textarea{font-family:inherit;font-size:1rem;line-height:1.5}
button{cursor:pointer}
h1,h2,h3,h4,h5{margin:0 0 .6em;line-height:1.25;font-weight:800;letter-spacing:-.01em;color:#fff}
p{margin:0 0 1em}
ul{margin:0;padding:0;list-style:none}
strong{color:#fff;font-weight:700}
:focus-visible{outline:2px solid var(--gold-2);outline-offset:3px;border-radius:6px}

/* ============================== LAYOUT ============================== */
.main-container{max-width:var(--maxw);padding-left:20px;padding-right:20px;margin:0 auto}
.section{padding:76px 0;position:relative}
.section--tight{padding:58px 0}
.section--alt{background:linear-gradient(180deg,rgba(11,46,30,.55) 0%,rgba(5,31,20,.15) 100%)}
.section--tint{background:radial-gradient(900px 420px at 10% 0%,rgba(245,158,11,.12),transparent 68%)}
.section--deep{background:linear-gradient(180deg,rgba(5,31,20,.35) 0%,rgba(11,46,30,.6) 50%,rgba(5,31,20,.35) 100%)}
.section-divider{height:1px;background:linear-gradient(90deg,transparent,var(--line),transparent);border:0;margin:0}

.grid-container.main-container{width:100%}
.grid-x > .cell{display:flex;flex-direction:column}
.grid-x > .cell > .card,
.grid-x > .cell > .post-card,
.grid-x > .cell > .plan,
.grid-x > .cell > .cat-card,
.grid-x > .cell > .quote,
.grid-x > .cell > .scenario{flex:1 1 auto}
.mb-0{margin-bottom:0!important}
.mt-lg{margin-top:34px}

/* ============================== HEADER / NAV ============================== */
.site-header{
  position:sticky;top:0;z-index:120;
  background:rgba(5,31,20,.88);
  backdrop-filter:blur(14px);
  -webkit-backdrop-filter:blur(14px);
  border-bottom:1px solid rgba(245,158,11,.18);
}
.nav-bar{display:flex;align-items:center;gap:18px;min-height:74px}
.brand{display:flex;align-items:center;gap:11px;flex:0 0 auto;max-width:290px}
.brand-mark{
  width:42px;height:42px;flex:0 0 42px;border-radius:13px;
  background:var(--grad-gold);color:#08251A;
  display:grid;place-items:center;font-weight:800;font-size:1rem;
  box-shadow:0 6px 16px rgba(245,158,11,.35);
}
.brand-text{display:flex;flex-direction:column;line-height:1.15}
.brand-text b{font-size:.95rem;font-weight:800;color:var(--gold-2);letter-spacing:-.01em}
.brand-text small{font-size:.64rem;font-weight:600;letter-spacing:.12em;text-transform:uppercase;color:var(--mint);opacity:.7}
.nav-links{display:flex;align-items:center;gap:4px;margin-left:auto;flex-wrap:wrap}
.nav-links a{
  display:inline-block;padding:9px 14px;border-radius:var(--r-full);
  font-size:.88rem;font-weight:600;color:var(--mint);opacity:.85;
  border:1px solid transparent;transition:all .25s ease;
}
.nav-links a:hover{color:#fff;background:rgba(245,158,11,.10);border-color:var(--line);opacity:1}
.nav-links a.is-active{color:#08251A;background:var(--grad-gold);opacity:1;font-weight:700}
.nav-cta{
  display:inline-flex;align-items:center;gap:8px;
  padding:10px 20px;border-radius:var(--r-full);
  background:var(--grad-gold);color:#08251A;font-weight:700;font-size:.88rem;
  box-shadow:var(--sh-gold);border:0;white-space:nowrap;
  transition:transform .25s ease,box-shadow .25s ease;
}
.nav-cta:hover{transform:translateY(-2px);box-shadow:0 16px 36px rgba(245,158,11,.4)}
.nav-cta:active{transform:translateY(0)}
.nav-toggle{
  display:none;margin-left:auto;width:46px;height:46px;border-radius:12px;
  background:rgba(245,158,11,.10);border:1px solid var(--line);color:var(--gold-2);
  font-size:1.15rem;line-height:1;
}
@media (max-width:1024px){
  .brand{max-width:220px}
  .brand-text b{font-size:.82rem}
}
@media (max-width:900px){
  .nav-bar{flex-wrap:wrap;padding:12px 0;min-height:0}
  .nav-toggle{display:grid;place-items:center}
  .nav-links{
    order:3;width:100%;margin:12px 0 4px;flex-direction:column;align-items:stretch;gap:6px;
    max-height:0;overflow:hidden;transition:max-height .35s ease,padding .35s ease;
  }
  .nav-links.is-open{max-height:420px;padding-bottom:6px}
  .nav-links a{padding:12px 14px;border-radius:var(--r-sm);background:rgba(11,46,30,.6);border-color:var(--line-soft)}
  .nav-cta{order:2;margin-left:auto;padding:11px 16px;font-size:.82rem}
}

/* ============================== BUTTONS ============================== */
.btn{
  display:inline-flex;align-items:center;justify-content:center;gap:9px;
  padding:13px 26px;border-radius:var(--r-full);border:1px solid transparent;
  font-weight:700;font-size:.92rem;letter-spacing:.01em;text-align:center;
  transition:transform .25s ease,box-shadow .25s ease,background .25s ease,border-color .25s ease,color .25s ease;
}
.btn-gold{background:var(--grad-gold);color:#08251A;box-shadow:var(--sh-gold)}
.btn-gold:hover{transform:translateY(-3px);box-shadow:0 18px 40px rgba(245,158,11,.42);color:#08251A}
.btn-gold:active{transform:translateY(-1px)}
.btn-ghost{background:rgba(245,158,11,.06);border-color:var(--line);color:var(--gold-2)}
.btn-ghost:hover{background:rgba(245,158,11,.16);border-color:var(--gold);color:#fff;transform:translateY(-3px)}
.btn-line{background:transparent;border-color:var(--line-soft);color:var(--mint)}
.btn-line:hover{border-color:var(--line);color:#fff;background:rgba(245,158,11,.08)}
.btn-sm{padding:9px 18px;font-size:.82rem}
.btn-block{width:100%}

/* ============================== BADGES / TAGS ============================== */
.sec-tag{
  display:inline-flex;align-items:center;gap:8px;
  font-size:.71rem;font-weight:700;letter-spacing:.15em;text-transform:uppercase;
  color:var(--gold-2);background:rgba(245,158,11,.10);
  border:1px solid var(--line);border-radius:var(--r-full);
  padding:6px 15px;margin-bottom:16px;
}
.tag{display:inline-block;padding:4px 12px;border-radius:var(--r-full);font-size:.7rem;font-weight:700;letter-spacing:.08em;text-transform:uppercase}
.tag-hot{background:rgba(220,38,38,.16);color:#FCA5A5;border:1px solid rgba(220,38,38,.4)}
.tag-gold{background:rgba(245,158,11,.14);color:var(--gold-2);border:1px solid var(--line)}
.tag-live{background:rgba(16,185,129,.14);color:#6EE7B7;border:1px solid rgba(16,185,129,.4)}
.pulse-dot{width:8px;height:8px;border-radius:50%;background:#34D399;display:inline-block;box-shadow:0 0 0 0 rgba(52,211,153,.7);animation:pulse 1.9s infinite}
@keyframes pulse{
  0%{box-shadow:0 0 0 0 rgba(52,211,153,.65)}
  70%{box-shadow:0 0 0 10px rgba(52,211,153,0)}
  100%{box-shadow:0 0 0 0 rgba(52,211,153,0)}
}

/* ============================== SECTION HEADINGS ============================== */
.sec-head{max-width:790px;margin-bottom:36px;text-align:left}
.sec-head h2{font-size:clamp(1.45rem,2.9vw,2.1rem);margin-bottom:.5em}
.sec-head p{color:var(--mint);opacity:.82;font-size:.98rem;margin-bottom:0;max-width:720px}
.sec-head--split{display:flex;align-items:flex-end;justify-content:space-between;gap:28px;max-width:none}
.sec-head--split .sec-head-text{max-width:700px}
.sec-head--split p{max-width:660px}

/* ============================== HERO ============================== */
.hero{position:relative;overflow:hidden;padding:62px 0 78px;border-bottom:1px solid var(--line-soft)}
.hero-bg{position:absolute;inset:0;background-size:cover;background-position:center;opacity:.30}
.hero-veil{
  position:absolute;inset:0;
  background:
    linear-gradient(118deg,rgba(5,31,20,.97) 0%,rgba(5,31,20,.86) 42%,rgba(11,46,30,.70) 100%),
    radial-gradient(700px 400px at 78% 20%,rgba(245,158,11,.18),transparent 70%);
}
.hero .main-container{position:relative;z-index:2}
.hero-grid{display:grid;grid-template-columns:1.12fr .88fr;gap:44px;align-items:start}
.hero-copy h1{
  font-size:clamp(1.72rem,3.6vw,2.85rem);
  line-height:1.2;margin-bottom:20px;
  background:linear-gradient(100deg,#FFFFFF 0%,#FCD34D 58%,#F59E0B 100%);
  -webkit-background-clip:text;background-clip:text;-webkit-text-fill-color:transparent;
}
.hero-copy .lead{color:var(--mint);opacity:.9;font-size:1.02rem;max-width:640px;margin-bottom:26px}
.hero-actions{display:flex;flex-wrap:wrap;gap:14px;margin-bottom:28px}
.hero-points{display:grid;grid-template-columns:repeat(2,minmax(0,1fr));gap:12px;max-width:640px}
.hero-points li{
  display:flex;align-items:flex-start;gap:10px;
  font-size:.86rem;color:var(--mint);opacity:.9;
  background:rgba(11,46,30,.55);border:1px solid var(--line-soft);
  border-radius:var(--r-sm);padding:11px 14px;
}
.hero-points i{color:var(--gold-2);margin-top:3px;font-size:.85rem}

.live-card{
  background:var(--grad-panel);
  border:1px solid var(--line);
  border-radius:var(--r-xl);
  padding:18px;
  box-shadow:var(--sh);
  position:relative;
}
.live-card::after{
  content:"";position:absolute;inset:0;border-radius:var(--r-xl);pointer-events:none;
  box-shadow:inset 0 1px 0 rgba(252,211,77,.25);
}
.live-cover{position:relative;border-radius:var(--r);overflow:hidden;margin-bottom:16px}
.live-cover img{width:100%;aspect-ratio:16/10;object-fit:cover}
.live-cover .tag-live{position:absolute;left:12px;top:12px;display:inline-flex;align-items:center;gap:7px;backdrop-filter:blur(6px)}
.live-head{display:flex;align-items:center;justify-content:space-between;gap:12px;margin-bottom:6px}
.live-head h3{font-size:1.02rem;margin:0}
.live-sub{font-size:.8rem;color:var(--muted);margin:0 0 14px}
.countdown{display:grid;grid-template-columns:repeat(3,1fr);gap:10px;margin-bottom:16px}
.cd-unit{
  background:rgba(5,31,20,.78);border:1px solid var(--line-soft);
  border-radius:var(--r-sm);padding:12px 6px;text-align:center;
}
.cd-unit b{display:block;font-size:1.45rem;line-height:1.1;color:var(--gold-2);font-variant-numeric:tabular-nums}
.cd-unit span{display:block;font-size:.64rem;letter-spacing:.14em;text-transform:uppercase;color:var(--muted);margin-top:4px}
.live-foot{font-size:.74rem;color:var(--slate);text-align:center;margin:12px 0 0}
.btn.is-on{background:linear-gradient(135deg,#16A34A,#4ADE80);color:#052E16;box-shadow:0 12px 30px rgba(34,197,94,.32)}

/* ============================== CARDS ============================== */
.card{
  background:var(--grad-panel);
  border:1px solid var(--line-soft);
  border-radius:var(--r-lg);
  padding:26px 24px;
  transition:transform .3s ease,border-color .3s ease,box-shadow .3s ease;
}
.card:hover{transform:translateY(-5px);border-color:var(--line);box-shadow:var(--sh)}
.card h3{font-size:1.06rem;margin-bottom:.55em}
.card p{font-size:.92rem;color:var(--mint);opacity:.84;margin-bottom:0}
.card-icon{
  width:46px;height:46px;border-radius:14px;
  background:rgba(245,158,11,.12);border:1px solid var(--line);
  display:grid;place-items:center;color:var(--gold-2);
  font-size:1.05rem;margin-bottom:16px;
}
.card-media{border-radius:var(--r);overflow:hidden;margin:-26px -24px 20px;border-bottom:1px solid var(--line-soft)}
.card-media img{width:100%;aspect-ratio:16/9;object-fit:cover}
.card-num{
  font-size:.72rem;font-weight:700;letter-spacing:.16em;text-transform:uppercase;
  color:var(--gold);margin-bottom:10px;display:block;
}

/* ============================== PAIN LIST ============================== */
.pain-list{display:grid;gap:14px}
.pain-item{
  display:flex;gap:16px;align-items:flex-start;
  background:rgba(11,46,30,.5);border:1px solid var(--line-soft);
  border-left:3px solid rgba(220,38,38,.7);
  border-radius:var(--r-sm);padding:18px 20px;
  transition:border-color .3s ease,transform .3s ease,background .3s ease;
}
.pain-item:hover{transform:translateX(5px);background:rgba(11,46,30,.78);border-left-color:var(--gold)}
.pain-item i{color:#F87171;font-size:1.05rem;margin-top:4px}
.pain-item h4{margin:0 0 .25em;font-size:.98rem}
.pain-item p{margin:0;font-size:.88rem;color:var(--mint);opacity:.8}

/* ============================== METRICS ============================== */
.metric-grid{display:grid;grid-template-columns:repeat(5,minmax(0,1fr));gap:16px}
.metric{
  background:var(--grad-panel);border:1px solid var(--line-soft);
  border-radius:var(--r-lg);padding:24px 18px;text-align:left;
  transition:transform .3s ease,border-color .3s ease;
}
.metric:hover{transform:translateY(-4px);border-color:var(--line)}
.metric b{
  display:block;font-size:clamp(1.5rem,2.6vw,2.05rem);line-height:1.1;
  background:var(--grad-gold);-webkit-background-clip:text;background-clip:text;
  -webkit-text-fill-color:transparent;font-variant-numeric:tabular-nums;
}
.metric span{display:block;font-size:.78rem;color:var(--mint);opacity:.78;margin-top:8px}

/* ============================== CATEGORY MATRIX ============================== */
.cat-card{
  display:flex;flex-direction:column;gap:12px;
  background:linear-gradient(150deg,rgba(180,83,9,.20) 0%,rgba(11,46,30,.92) 55%);
  border:1px solid var(--line);border-radius:var(--r-lg);
  padding:26px 24px;transition:transform .3s ease,box-shadow .3s ease,border-color .3s ease;
}
.cat-card:hover{transform:translateY(-6px);box-shadow:var(--sh-gold);border-color:var(--gold)}
.cat-card i{font-size:1.25rem;color:var(--gold-2)}
.cat-card h3{font-size:1.05rem;margin:0}
.cat-card p{font-size:.88rem;color:var(--mint);opacity:.82;margin:0}
.cat-card .cat-more{font-size:.78rem;font-weight:700;letter-spacing:.08em;text-transform:uppercase;color:var(--gold-2);margin-top:auto}

/* ============================== COMPARE TABLE ============================== */
.compare-wrap{overflow-x:auto;border-radius:var(--r-lg);border:1px solid var(--line-soft);background:var(--grad-panel)}
table.compare{width:100%;border-collapse:collapse;min-width:640px;margin:0}
table.compare th,table.compare td{padding:16px 18px;text-align:left;font-size:.9rem;border-bottom:1px solid var(--line-soft)}
table.compare thead th{
  font-size:.74rem;letter-spacing:.14em;text-transform:uppercase;
  color:var(--gold-2);background:rgba(245,158,11,.08);font-weight:700;
}
table.compare tbody th{font-weight:600;color:#fff;width:26%}
table.compare td{color:var(--mint);opacity:.85}
table.compare tr:last-child th,table.compare tr:last-child td{border-bottom:0}
table.compare tbody tr:hover{background:rgba(245,158,11,.05)}

/* ============================== TIMELINE ============================== */
.timeline{display:grid;gap:0;border-left:2px solid var(--line);margin-left:8px}
.tl-step{position:relative;padding:0 0 26px 30px}
.tl-step:last-child{padding-bottom:0}
.tl-step::before{
  content:"";position:absolute;left:-9px;top:6px;width:16px;height:16px;border-radius:50%;
  background:var(--grad-gold);box-shadow:0 0 0 4px rgba(5,31,20,.9);
}
.tl-step b{display:block;font-size:.76rem;letter-spacing:.14em;text-transform:uppercase;color:var(--gold);margin-bottom:6px}
.tl-step h4{margin:0 0 .3em;font-size:1rem}
.tl-step p{margin:0;font-size:.88rem;color:var(--mint);opacity:.82}

/* ============================== QUOTES ============================== */
.quote{
  background:var(--grad-panel);border:1px solid var(--line-soft);
  border-radius:var(--r-lg);padding:24px;
  display:flex;flex-direction:column;gap:14px;
  transition:transform .3s ease,border-color .3s ease;
}
.quote:hover{transform:translateY(-4px);border-color:var(--line)}
.quote .stars{color:var(--gold-2);font-size:.82rem;letter-spacing:2px}
.quote p{margin:0;font-size:.92rem;color:var(--mint);opacity:.88}
.quote footer{display:flex;align-items:center;gap:12px;margin-top:auto}
.avatar{
  width:40px;height:40px;border-radius:50%;flex:0 0 40px;
  background:var(--grad-gold);color:#08251A;display:grid;place-items:center;
  font-weight:800;font-size:.85rem;
}
.quote footer b{display:block;font-size:.86rem;color:#fff;line-height:1.3}
.quote footer span{font-size:.74rem;color:var(--muted)}

/* ============================== CMS POSTS ============================== */
.post-card{
  display:flex;flex-direction:column;gap:12px;height:100%;
  background:var(--grad-panel);border:1px solid var(--line-soft);
  border-radius:var(--r-lg);padding:24px;
  transition:transform .3s ease,border-color .3s ease,box-shadow .3s ease;
}
.post-card:hover{transform:translateY(-5px);border-color:var(--line);box-shadow:var(--sh)}
.post-card h3{font-size:1rem;margin:0;line-height:1.4}
.post-card p{font-size:.87rem;color:var(--mint);opacity:.8;margin:0;flex:1 1 auto}
.post-meta{display:flex;align-items:center;gap:12px;flex-wrap:wrap;font-size:.74rem;color:var(--muted);border-top:1px solid var(--line-soft);padding-top:12px}
.post-meta .pm-cat{color:var(--gold-2);font-weight:700;letter-spacing:.06em;text-transform:uppercase}
.empty-note{
  background:rgba(11,46,30,.6);border:1px dashed var(--line);border-radius:var(--r);
  padding:26px;color:var(--mint);opacity:.8;font-size:.92rem;text-align:center;
}
.list-more{display:flex;justify-content:flex-end;margin-top:26px}

/* ============================== PLANS ============================== */
.plan{
  position:relative;display:flex;flex-direction:column;height:100%;
  background:var(--grad-panel);border:1px solid var(--line-soft);
  border-radius:var(--r-lg);padding:28px 24px;
  transition:transform .3s ease,border-color .3s ease,box-shadow .3s ease;
}
.plan:hover{transform:translateY(-5px);border-color:var(--line)}
.plan--best{border-color:var(--gold);box-shadow:var(--sh-gold);background:linear-gradient(165deg,rgba(180,83,9,.24) 0%,rgba(11,46,30,.95) 60%)}
.plan--best::before{
  content:"ĐƯỢC CHỌN NHIỀU NHẤT";position:absolute;top:-13px;left:24px;
  background:var(--grad-gold);color:#08251A;font-size:.64rem;font-weight:800;
  letter-spacing:.12em;padding:5px 14px;border-radius:var(--r-full);
}
.plan h3{font-size:1.05rem;margin-bottom:.2em}
.plan .plan-price{font-size:1.85rem;font-weight:800;color:var(--gold-2);line-height:1.2;margin:10px 0 4px}
.plan .plan-price small{font-size:.74rem;font-weight:600;color:var(--muted);letter-spacing:.06em;display:block;margin-top:4px}
.plan ul{display:grid;gap:10px;margin:18px 0 24px;flex:1 1 auto}
.plan li{display:flex;gap:10px;align-items:flex-start;font-size:.87rem;color:var(--mint);opacity:.86}
.plan li i{color:var(--gold-2);margin-top:4px;font-size:.78rem}

/* ============================== TRUST BAR ============================== */
.trust-grid{display:grid;grid-template-columns:repeat(4,minmax(0,1fr));gap:16px}
.trust-item{
  display:flex;gap:14px;align-items:flex-start;
  background:rgba(11,46,30,.55);border:1px solid var(--line-soft);
  border-radius:var(--r);padding:20px;
  transition:border-color .3s ease,background .3s ease;
}
.trust-item:hover{border-color:var(--line);background:rgba(11,46,30,.8)}
.trust-item i{font-size:1.2rem;color:var(--gold-2);margin-top:3px}
.trust-item h4{margin:0 0 .25em;font-size:.92rem}
.trust-item p{margin:0;font-size:.8rem;color:var(--mint);opacity:.74}
.pay-row{display:flex;flex-wrap:wrap;gap:12px;margin-top:26px;align-items:center}
.pay-badge{
  display:inline-flex;align-items:center;gap:8px;
  border:1px solid var(--line-soft);background:rgba(5,31,20,.7);
  border-radius:var(--r-sm);padding:9px 16px;font-size:.8rem;font-weight:600;color:var(--mint);
}
.pay-badge i{color:var(--gold-2)}

/* ============================== FAQ ============================== */
.faq-list{display:grid;gap:12px}
.faq-item{
  background:var(--grad-panel);border:1px solid var(--line-soft);
  border-radius:var(--r);overflow:hidden;transition:border-color .3s ease;
}
.faq-item:hover{border-color:var(--line)}
.faq-q{
  width:100%;display:flex;align-items:center;justify-content:space-between;gap:18px;
  background:transparent;border:0;color:#fff;text-align:left;
  padding:20px 22px;font-weight:700;font-size:.95rem;
}
.faq-q i{color:var(--gold-2);transition:transform .3s ease;flex:0 0 auto}
.faq-item.is-open .faq-q i{transform:rotate(45deg)}
.faq-a{max-height:0;overflow:hidden;transition:max-height .35s ease}
.faq-item.is-open .faq-a{max-height:340px}
.faq-a p{margin:0;padding:0 22px 22px;font-size:.9rem;color:var(--mint);opacity:.84}

/* ============================== CTA FORM ============================== */
.cta-panel{
  position:relative;overflow:hidden;
  background:linear-gradient(140deg,rgba(180,83,9,.30) 0%,rgba(11,46,30,.96) 52%,rgba(5,31,20,.98) 100%);
  border:1px solid var(--line);border-radius:var(--r-xl);
  padding:40px;
  box-shadow:var(--sh);
}
.cta-panel::before{
  content:"";position:absolute;right:-80px;top:-80px;width:300px;height:300px;border-radius:50%;
  background:radial-gradient(circle,rgba(245,158,11,.28),transparent 68%);
}
.cta-grid{position:relative;z-index:2;display:grid;grid-template-columns:1fr 1fr;gap:40px;align-items:start}
.cta-copy h2{font-size:clamp(1.4rem,2.7vw,1.95rem);margin-bottom:.5em}
.cta-copy p{color:var(--mint);opacity:.86;font-size:.95rem}
.cta-facts{display:grid;gap:12px;margin-top:22px}
.cta-facts li{display:flex;gap:10px;font-size:.87rem;color:var(--mint);opacity:.88}
.cta-facts i{color:var(--gold-2);margin-top:4px}
form.lead{display:grid;gap:14px}
.field{display:grid;gap:7px}
.field label{font-size:.78rem;font-weight:700;letter-spacing:.08em;text-transform:uppercase;color:var(--gold-2)}
.field input,.field select{
  width:100%;padding:13px 16px;border-radius:var(--r-sm);
  background:rgba(5,31,20,.8);border:1px solid var(--line-soft);color:#fff;
  transition:border-color .25s ease,background .25s ease;
}
.field input::placeholder{color:rgba(209,250,229,.4)}
.field input:focus,.field select:focus{outline:none;border-color:var(--gold);background:rgba(5,31,20,.95)}
.field select option{background:#07281B;color:#fff}
.form-note{font-size:.74rem;color:var(--slate);margin:0}
.form-msg{
  display:none;font-size:.85rem;color:#86EFAC;
  background:rgba(22,163,74,.14);border:1px solid rgba(34,197,94,.4);
  border-radius:var(--r-sm);padding:12px 16px;
}
.form-msg.show{display:block}

/* ============================== FAB ============================== */
.fab{
  position:fixed;left:16px;bottom:96px;z-index:90;
  width:58px;height:58px;border-radius:50%;
  display:grid;place-items:center;
  background:radial-gradient(circle at 32% 28%,#1B3D2C 0%,#0B2E1E 55%,#051F14 100%);
  border:2px solid var(--gold);
  color:var(--gold-2);font-size:1.25rem;
  box-shadow:0 6px 25px rgba(245,158,11,.35);
  opacity:.82;transition:transform .3s ease,opacity .3s ease,box-shadow .3s ease;
  animation:floaty 3.6s ease-in-out infinite;
}
.fab:hover{transform:scale(1.1) rotate(360deg);opacity:1;box-shadow:0 10px 34px rgba(245,158,11,.5)}
.fab:active{transform:scale(.95) translateY(3px)}
.fab .fab-dot{
  position:absolute;top:2px;right:2px;width:13px;height:13px;border-radius:50%;
  background:#DC2626;box-shadow:0 0 0 2px #fff;
}
.fab-tip{
  position:fixed;left:84px;bottom:110px;z-index:90;
  background:rgba(5,31,20,.94);border:1px solid var(--line);
  color:var(--mint);font-size:.74rem;padding:8px 14px;border-radius:var(--r-sm);
  white-space:nowrap;pointer-events:none;opacity:0;transform:translateX(-6px);
  transition:opacity .25s ease,transform .25s ease;
}
.fab:hover + .fab-tip,.fab:focus + .fab-tip{opacity:1;transform:translateX(0)}
@keyframes floaty{
  0%,100%{transform:translateY(0)}
  50%{transform:translateY(-6px)}
}

/* ============================== FOOTER ============================== */
.site-footer{
  border-top:1px solid var(--line-soft);
  background:linear-gradient(180deg,rgba(5,31,20,.6) 0%,rgba(3,20,13,.98) 100%);
  padding:60px 0 26px;margin-top:0;
}
.footer-grid{display:grid;grid-template-columns:1.5fr 1fr 1fr 1.2fr;gap:34px}
.footer-brand{display:flex;align-items:center;gap:11px;margin-bottom:16px}
.footer-brand .brand-mark{width:40px;height:40px;flex:0 0 40px;font-size:.92rem}
.footer-brand b{font-size:.92rem;color:var(--gold-2);line-height:1.25}
.site-footer p{font-size:.85rem;color:var(--mint);opacity:.7}
.footer-col h4{
  font-size:.76rem;letter-spacing:.14em;text-transform:uppercase;
  color:var(--gold-2);margin-bottom:16px;
}
.footer-col ul{display:grid;gap:10px}
.footer-col a{font-size:.86rem;color:var(--mint);opacity:.75}
.footer-col a:hover{color:var(--gold-2);opacity:1}
.footer-bottom{
  margin-top:40px;padding-top:22px;border-top:1px solid var(--line-soft);
  display:flex;flex-wrap:wrap;justify-content:space-between;gap:14px;align-items:center;
  font-size:.78rem;color:var(--slate);
}
.age-badge{
  display:inline-flex;align-items:center;gap:8px;
  border:1px solid var(--line);border-radius:var(--r-full);
  padding:5px 14px;font-size:.72rem;font-weight:700;color:var(--gold-2);
}

/* ============================== RESPONSIVE ============================== */
@media (max-width:1024px){
  .hero-grid{grid-template-columns:1fr;gap:34px}
  .metric-grid{grid-template-columns:repeat(3,minmax(0,1fr))}
  .trust-grid{grid-template-columns:repeat(2,minmax(0,1fr))}
  .cta-grid{grid-template-columns:1fr;gap:30px}
  .footer-grid{grid-template-columns:1fr 1fr;gap:28px}
}
@media (max-width:768px){
  .section{padding:58px 0}
  .hero{padding:46px 0 60px}
  .sec-head--split{flex-direction:column;align-items:flex-start}
  .metric-grid{grid-template-columns:repeat(2,minmax(0,1fr))}
  .hero-points{grid-template-columns:1fr}
  .cta-panel{padding:28px 22px}
  .fab{bottom:88px;left:14px}
  .fab-tip{display:none}
}
@media (max-width:520px){
  .main-container{padding-left:16px;padding-right:16px}
  .brand{max-width:190px}
  .brand-text b{font-size:.76rem}
  .brand-text small{display:none}
  .nav-cta{padding:10px 14px;font-size:.76rem}
  .metric-grid{grid-template-columns:1fr}
  .trust-grid{grid-template-columns:1fr}
  .sec-head h2{font-size:1.35rem}
  .hero-copy h1{font-size:1.5rem}
  .card{padding:22px 18px}
  .live-card{padding:14px}
  .footer-grid{grid-template-columns:1fr}
  .cd-unit b{font-size:1.2rem}
}

/* roulang page: article */
:root{
  --bg:#051F14;
  --bg-2:#0B2E1E;
  --bg-3:#07281B;
  --panel:rgba(11,46,30,.75);
  --panel-2:rgba(5,31,20,.86);
  --line:rgba(245,158,11,.30);
  --line-soft:rgba(209,250,229,.12);
  --gold:#F59E0B;
  --gold-2:#FCD34D;
  --gold-deep:#B45309;
  --red:#DC2626;
  --ink:#F8FAFC;
  --mint:#D1FAE5;
  --muted:#A3A375;
  --slate:#94A3B8;
  --grad-gold:linear-gradient(135deg,#F59E0B 0%,#FCD34D 100%);
  --grad-panel:linear-gradient(160deg,rgba(11,46,30,.94) 0%,rgba(5,31,20,.97) 100%);
  --r-xs:8px;
  --r-sm:12px;
  --r:18px;
  --r-lg:24px;
  --r-xl:32px;
  --r-full:999px;
  --sh-sm:0 6px 18px rgba(0,0,0,.28);
  --sh:0 18px 42px rgba(0,0,0,.42);
  --sh-gold:0 12px 32px rgba(245,158,11,.28);
  --maxw:1180px;
}
*{box-sizing:border-box}
html{-webkit-text-size-adjust:100%;scroll-behavior:smooth}
body{
  margin:0;
  font-family:'Be Vietnam Pro',system-ui,-apple-system,'Segoe UI',Roboto,'Helvetica Neue',Arial,sans-serif;
  font-size:16px;line-height:1.65;color:var(--ink);
  background:
    radial-gradient(1100px 520px at 85% -5%,rgba(245,158,11,.10),transparent 62%),
    radial-gradient(900px 500px at 0% 30%,rgba(16,185,129,.08),transparent 60%),
    var(--bg);
  overflow-x:hidden;
}
img{max-width:100%;display:block;height:auto;border-style:none}
a{color:inherit;text-decoration:none;transition:color .25s ease,opacity .25s ease}
button,input,select,textarea{font-family:inherit;font-size:1rem;line-height:1.5}
button{cursor:pointer}
h1,h2,h3,h4{margin:0 0 .6em;line-height:1.25;font-weight:800;letter-spacing:-.01em}
p{margin:0 0 1.1em}
ul,ol{margin:0 0 1.1em;padding-left:1.3em}
li{margin-bottom:.45em}
figure{margin:0}
/* ============ LAYOUT ============ */
.main-container{max-width:var(--maxw);padding-left:20px;padding-right:20px;margin:0 auto}
.section{padding:76px 0;position:relative}
.section--tight{padding:56px 0}
.section--alt{background:linear-gradient(180deg,rgba(11,46,30,.55) 0%,rgba(5,31,20,.15) 100%)}
.section--tint{background:radial-gradient(900px 420px at 10% 0%,rgba(245,158,11,.12),transparent 68%)}
.section--deep{background:linear-gradient(180deg,rgba(5,31,20,.35) 0%,rgba(11,46,30,.6) 50%,rgba(5,31,20,.35) 100%)}
.section-divider{height:1px;background:linear-gradient(90deg,transparent,var(--line),transparent);border:0;margin:0}
.grid-container.main-container{width:100%}
.grid-x > .cell{display:flex;flex-direction:column}
.grid-x > .cell > .card,
.grid-x > .cell > .info-card,
.grid-x > .cell > .metric,
.grid-x > .cell > .step{flex:1 1 auto}
/* ============ HEADER / NAV ============ */
.site-header{
  position:sticky;top:0;z-index:120;
  background:rgba(5,31,20,.88);
  backdrop-filter:blur(14px);-webkit-backdrop-filter:blur(14px);
  border-bottom:1px solid rgba(245,158,11,.18);
}
.nav-bar{display:flex;align-items:center;gap:18px;min-height:74px;flex-wrap:wrap;padding:12px 0}
.brand{display:flex;align-items:center;gap:11px;flex:0 0 auto;max-width:230px}
.brand-mark{
  width:42px;height:42px;flex:0 0 42px;border-radius:13px;
  background:var(--grad-gold);color:#08251A;
  display:grid;place-items:center;font-weight:800;font-size:1rem;
  box-shadow:0 6px 16px rgba(245,158,11,.35);
}
.brand-text{display:flex;flex-direction:column;line-height:1.15}
.brand-text b{font-size:.82rem;font-weight:800;color:var(--gold-2);letter-spacing:-.01em}
.brand-text small{font-size:.62rem;font-weight:600;letter-spacing:.12em;text-transform:uppercase;color:var(--mint);opacity:.7}
.nav-toggle{
  display:none;margin-left:auto;width:46px;height:46px;border-radius:12px;
  background:rgba(245,158,11,.10);border:1px solid var(--line);color:var(--gold-2);
  font-size:1.15rem;line-height:1;
}
.nav-links{display:flex;align-items:center;gap:4px;margin-left:auto;flex-wrap:wrap;list-style:none;padding:0;margin-bottom:0}
.nav-links a{
  display:inline-block;padding:9px 14px;border-radius:var(--r-full);
  font-size:.86rem;font-weight:600;color:var(--mint);opacity:.85;
  border:1px solid transparent;transition:all .25s ease;
}
.nav-links a:hover{color:#fff;background:rgba(245,158,11,.10);border-color:var(--line);opacity:1}
.nav-links a.is-active{color:#08251A;background:var(--grad-gold);opacity:1;font-weight:700}
.nav-cta{
  display:inline-flex;align-items:center;gap:8px;
  padding:10px 18px;border-radius:var(--r-full);
  background:var(--grad-gold);color:#08251A;font-weight:700;font-size:.84rem;
  box-shadow:var(--sh-gold);border:0;white-space:nowrap;
  transition:transform .25s ease,box-shadow .25s ease;
}
.nav-cta:hover{transform:translateY(-2px);box-shadow:0 16px 36px rgba(245,158,11,.4)}
.nav-cta:active{transform:translateY(0)}
/* ============ BUTTONS ============ */
.btn{
  display:inline-flex;align-items:center;justify-content:center;gap:9px;
  padding:13px 26px;border-radius:var(--r-full);border:1px solid transparent;
  font-weight:700;font-size:.92rem;text-align:center;
  transition:transform .25s ease,box-shadow .25s ease,background .25s ease,border-color .25s ease,color .25s ease;
}
.btn-gold{background:var(--grad-gold);color:#08251A;box-shadow:var(--sh-gold)}
.btn-gold:hover{transform:translateY(-3px);box-shadow:0 18px 40px rgba(245,158,11,.42);color:#08251A}
.btn-gold:active{transform:translateY(-1px)}
.btn-ghost{background:rgba(245,158,11,.06);border-color:var(--line);color:var(--gold-2)}
.btn-ghost:hover{background:rgba(245,158,11,.16);border-color:var(--gold);color:#fff;transform:translateY(-3px)}
.btn-line{background:transparent;border-color:var(--line-soft);color:var(--mint)}
.btn-line:hover{border-color:var(--line);color:#fff;background:rgba(245,158,11,.08)}
.btn-sm{padding:9px 18px;font-size:.82rem}
.btn-block{width:100%}
.btn:focus-visible,a:focus-visible,button:focus-visible{outline:2px solid var(--gold-2);outline-offset:3px}
/* ============ BADGES / TAGS ============ */
.badge{
  display:inline-flex;align-items:center;gap:7px;
  padding:6px 14px;border-radius:var(--r-full);
  font-size:.72rem;font-weight:700;letter-spacing:.10em;text-transform:uppercase;
  border:1px solid var(--line);background:rgba(245,158,11,.10);color:var(--gold-2);
}
.badge-red{background:rgba(220,38,38,.14);border-color:rgba(220,38,38,.4);color:#FCA5A5}
.badge-mint{background:rgba(16,185,129,.12);border-color:rgba(16,185,129,.35);color:var(--mint)}
.tag{display:inline-block;padding:4px 12px;border-radius:var(--r-full);font-size:.74rem;font-weight:600;background:rgba(209,250,229,.08);border:1px solid var(--line-soft);color:var(--mint)}
/* ============ SECTION HEADINGS ============ */
.section-head{max-width:760px;margin-bottom:40px}
.section-head.left{margin-left:0}
.section-head h2{font-size:clamp(1.5rem,3vw,2.1rem);color:#fff}
.section-head p{color:var(--mint);opacity:.82;font-size:1rem;margin-bottom:0}
.eyebrow{display:block;font-size:.74rem;font-weight:700;letter-spacing:.18em;text-transform:uppercase;color:var(--gold);margin-bottom:12px}
/* ============ CARDS ============ */
.card{
  background:var(--grad-panel);border:1px solid var(--line-soft);
  border-radius:var(--r-lg);padding:26px;box-shadow:var(--sh-sm);
  transition:transform .3s ease,border-color .3s ease,box-shadow .3s ease;
}
.card:hover{transform:translateY(-5px);border-color:var(--line);box-shadow:var(--sh)}
.card h3{font-size:1.12rem;color:var(--gold-2);margin-bottom:.5em}
.card p{color:var(--mint);opacity:.82;font-size:.92rem;margin-bottom:0}
.info-card{
  background:rgba(11,46,30,.55);border:1px solid var(--line-soft);
  border-radius:var(--r);padding:22px;transition:transform .3s ease,border-color .3s ease;
}
.info-card:hover{transform:translateY(-4px);border-color:var(--line)}
.info-card h4{font-size:1rem;color:#fff;margin-bottom:.4em}
.info-card p{font-size:.88rem;color:var(--mint);opacity:.78;margin-bottom:0}
.metric{
  background:var(--grad-panel);border:1px solid var(--line-soft);
  border-radius:var(--r);padding:22px;text-align:left;
}
.metric .num{font-size:1.9rem;font-weight:800;color:var(--gold-2);line-height:1.1;display:block}
.metric .lbl{font-size:.82rem;color:var(--mint);opacity:.72;display:block;margin-top:6px}
.icon-box{
  width:50px;height:50px;border-radius:14px;display:grid;place-items:center;
  background:rgba(245,158,11,.12);border:1px solid var(--line);
  color:var(--gold-2);font-size:1.2rem;margin-bottom:16px;
}
/* ============ ARTICLE ============ */
.article-hero{padding:56px 0 40px;background:
  radial-gradient(900px 460px at 80% -10%,rgba(245,158,11,.14),transparent 62%),
  linear-gradient(180deg,rgba(11,46,30,.5),rgba(5,31,20,0))}
.article-hero-grid{display:grid;grid-template-columns:1.35fr .95fr;gap:38px;align-items:center}
.article-hero h1{font-size:clamp(1.6rem,3.4vw,2.5rem);color:#fff;margin:16px 0 14px}
.article-lead{font-size:1.02rem;color:var(--mint);opacity:.86;max-width:620px}
.hero-meta{display:flex;flex-wrap:wrap;gap:10px;margin-top:22px}
.hero-media{
  border-radius:var(--r-xl);overflow:hidden;border:1px solid var(--line);
  box-shadow:var(--sh);position:relative;
}
.hero-media img{width:100%;height:100%;object-fit:cover;min-height:280px}
.hero-media .media-tag{
  position:absolute;top:14px;left:14px;padding:6px 14px;border-radius:var(--r-full);
  background:rgba(5,31,20,.82);border:1px solid var(--line);color:var(--gold-2);
  font-size:.72rem;font-weight:700;letter-spacing:.1em;text-transform:uppercase;
}
.article-layout{display:grid;grid-template-columns:1.55fr .85fr;gap:44px;align-items:start}
.article-body{font-size:1rem;color:#E2E8E5}
.article-body h2{font-size:1.4rem;color:#fff;margin-top:1.8em;padding-top:.4em}
.article-body h3{font-size:1.14rem;color:var(--gold-2);margin-top:1.5em}
.article-body p{color:var(--mint);opacity:.9}
.article-body ul,.article-body ol{color:var(--mint);opacity:.9}
.article-body strong{color:#fff}
.article-body blockquote{
  margin:1.6em 0;padding:20px 24px;border-left:3px solid var(--gold);
  background:rgba(11,46,30,.55);border-radius:0 var(--r) var(--r) 0;
  color:var(--mint);font-style:italic;
}
.article-body img{border-radius:var(--r);margin:1.4em 0;border:1px solid var(--line-soft)}
.article-body a{color:var(--gold-2);text-decoration:underline;text-underline-offset:3px}
.article-body table{width:100%;border-collapse:collapse;margin:1.4em 0;font-size:.9rem}
.article-body th,.article-body td{padding:11px 14px;border:1px solid var(--line-soft);text-align:left}
.article-body th{background:rgba(245,158,11,.10);color:var(--gold-2);font-weight:700}
.gold-divider{height:1px;background:linear-gradient(90deg,transparent,var(--line),transparent);border:0;margin:40px 0}
/* ============ SIDEBAR ============ */
.side-sticky{position:sticky;top:96px;display:flex;flex-direction:column;gap:22px}
.side-panel{
  background:var(--grad-panel);border:1px solid var(--line-soft);
  border-radius:var(--r-lg);padding:24px;box-shadow:var(--sh-sm);
}
.side-panel h3{font-size:1.02rem;color:var(--gold-2);margin-bottom:16px;display:flex;align-items:center;gap:9px}
.side-list{list-style:none;padding:0;margin:0}
.side-list li{margin-bottom:12px;padding-bottom:12px;border-bottom:1px dashed var(--line-soft)}
.side-list li:last-child{border-bottom:0;margin-bottom:0;padding-bottom:0}
.side-list a{font-size:.9rem;color:var(--mint);opacity:.86;display:block}
.side-list a:hover{color:var(--gold-2);opacity:1}
.side-list .meta{font-size:.76rem;color:var(--slate);margin-top:4px}
.quick-facts{list-style:none;padding:0;margin:0}
.quick-facts li{display:flex;justify-content:space-between;gap:14px;font-size:.88rem;padding:9px 0;border-bottom:1px dashed var(--line-soft)}
.quick-facts li:last-child{border-bottom:0}
.quick-facts b{color:var(--gold-2);font-weight:700;text-align:right}
.quick-facts span{color:var(--mint);opacity:.8}
/* ============ KEY POINTS ============ */
.key-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:20px}
.key-item{
  display:flex;gap:14px;align-items:flex-start;padding:20px;
  background:rgba(11,46,30,.5);border:1px solid var(--line-soft);border-radius:var(--r);
  transition:border-color .3s ease,transform .3s ease;
}
.key-item:hover{border-color:var(--line);transform:translateY(-4px)}
.key-num{
  flex:0 0 40px;width:40px;height:40px;border-radius:12px;display:grid;place-items:center;
  background:var(--grad-gold);color:#08251A;font-weight:800;font-size:.95rem;
}
.key-item h4{font-size:.98rem;color:#fff;margin-bottom:.3em}
.key-item p{font-size:.86rem;color:var(--mint);opacity:.78;margin:0}
/* ============ STEPS TIMELINE ============ */
.steps{display:grid;grid-template-columns:repeat(4,1fr);gap:20px}
.step{
  background:var(--grad-panel);border:1px solid var(--line-soft);
  border-radius:var(--r-lg);padding:24px 22px;position:relative;
  transition:transform .3s ease,border-color .3s ease;
}
.step:hover{transform:translateY(-5px);border-color:var(--line)}
.step .step-num{
  position:absolute;top:-14px;left:22px;width:34px;height:34px;border-radius:10px;
  background:var(--grad-gold);color:#08251A;display:grid;place-items:center;
  font-weight:800;font-size:.86rem;box-shadow:var(--sh-sm);
}
.step h4{font-size:1rem;color:#fff;margin:14px 0 .4em}
.step p{font-size:.86rem;color:var(--mint);opacity:.78;margin:0}
/* ============ COMPARE TABLE ============ */
.compare-wrap{border:1px solid var(--line-soft);border-radius:var(--r-lg);overflow:hidden;background:rgba(5,31,20,.5)}
.compare-table{width:100%;border-collapse:collapse;font-size:.9rem}
.compare-table th,.compare-table td{padding:15px 18px;text-align:left;border-bottom:1px solid var(--line-soft)}
.compare-table th{background:rgba(245,158,11,.10);color:var(--gold-2);font-weight:700;font-size:.82rem;letter-spacing:.04em;text-transform:uppercase}
.compare-table td{color:var(--mint);opacity:.88}
.compare-table tr:last-child td{border-bottom:0}
.compare-table tr:hover td{background:rgba(245,158,11,.05)}
/* ============ FAQ ============ */
.faq-list{display:flex;flex-direction:column;gap:14px;max-width:860px}
.faq-item{
  background:rgba(11,46,30,.55);border:1px solid var(--line-soft);
  border-radius:var(--r);overflow:hidden;transition:border-color .3s ease;
}
.faq-item:hover{border-color:var(--line)}
.faq-q{
  width:100%;background:transparent;border:0;color:#fff;text-align:left;
  padding:19px 22px;font-size:.98rem;font-weight:700;display:flex;justify-content:space-between;gap:16px;align-items:center;
}
.faq-q i{color:var(--gold-2);transition:transform .3s ease;flex:0 0 auto}
.faq-item.is-open .faq-q i{transform:rotate(45deg)}
.faq-a{max-height:0;overflow:hidden;transition:max-height .35s ease}
.faq-a p{padding:0 22px 20px;margin:0;color:var(--mint);opacity:.84;font-size:.92rem}
.faq-item.is-open .faq-a{max-height:340px}
/* ============ CTA ============ */
.cta-band{
  background:var(--grad-panel);border:1px solid var(--line);
  border-radius:var(--r-xl);padding:44px;display:grid;
  grid-template-columns:1.4fr auto;gap:30px;align-items:center;
  box-shadow:var(--sh);position:relative;overflow:hidden;
}
.cta-band::before{
  content:"";position:absolute;inset:0;
  background:radial-gradient(600px 300px at 90% 10%,rgba(245,158,11,.16),transparent 65%);
  pointer-events:none;
}
.cta-band h2{font-size:clamp(1.3rem,2.6vw,1.8rem);color:#fff;margin-bottom:10px}
.cta-band p{color:var(--mint);opacity:.84;margin:0;font-size:.96rem}
/* ============ FORM ============ */
.form-panel{
  background:var(--grad-panel);border:1px solid var(--line-soft);
  border-radius:var(--r-xl);padding:34px;box-shadow:var(--sh-sm);
}
.field{margin-bottom:18px}
.field label{display:block;font-size:.84rem;font-weight:600;color:var(--mint);margin-bottom:8px}
.field input,.field select{
  width:100%;padding:13px 16px;border-radius:var(--r-sm);
  background:rgba(5,31,20,.7);border:1px solid var(--line-soft);
  color:#fff;font-size:.92rem;transition:border-color .25s ease,box-shadow .25s ease;
}
.field input::placeholder{color:rgba(148,163,184,.6)}
.field input:focus,.field select:focus{outline:0;border-color:var(--gold);box-shadow:0 0 0 3px rgba(245,158,11,.16)}
.form-note{font-size:.78rem;color:var(--slate);margin-top:14px;margin-bottom:0}
/* ============ POSTS ============ */
.post-card{
  background:var(--grad-panel);border:1px solid var(--line-soft);
  border-radius:var(--r-lg);overflow:hidden;box-shadow:var(--sh-sm);
  transition:transform .3s ease,border-color .3s ease,box-shadow .3s ease;
  display:flex;flex-direction:column;height:100%;
}
.post-card:hover{transform:translateY(-6px);border-color:var(--line);box-shadow:var(--sh)}
.post-card .thumb{position:relative;overflow:hidden;aspect-ratio:16/10}
.post-card .thumb img{width:100%;height:100%;object-fit:cover;transition:transform .5s ease}
.post-card:hover .thumb img{transform:scale(1.07)}
.post-card .thumb .cat{
  position:absolute;bottom:12px;left:12px;padding:5px 12px;border-radius:var(--r-full);
  background:rgba(5,31,20,.85);border:1px solid var(--line);color:var(--gold-2);
  font-size:.7rem;font-weight:700;letter-spacing:.08em;text-transform:uppercase;
}
.post-card .body{padding:20px 22px;display:flex;flex-direction:column;flex:1}
.post-card h3{font-size:1rem;color:#fff;margin-bottom:.5em}
.post-card h3 a:hover{color:var(--gold-2)}
.post-card p{font-size:.87rem;color:var(--mint);opacity:.78;flex:1;margin-bottom:14px}
.post-card .foot{display:flex;justify-content:space-between;align-items:center;font-size:.76rem;color:var(--slate)}
/* ============ FAB ============ */
.fab{
  position:fixed;left:16px;bottom:96px;z-index:80;
  width:56px;height:56px;border-radius:50%;
  background:var(--grad-gold);color:#08251A;
  display:grid;place-items:center;font-size:1.25rem;
  box-shadow:0 6px 25px rgba(245,158,11,.4);
  border:2px solid #FCD34D;animation:fabFloat 3s ease-in-out infinite;
  transition:transform .3s ease,opacity .3s ease;
}
.fab:hover{transform:scale(1.12) rotate(10deg)}
.fab:active{transform:scale(.94)}
.fab .dot{position:absolute;top:2px;right:2px;width:13px;height:13px;border-radius:50%;background:var(--red);border:2px solid #fff}
@keyframes fabFloat{0%,100%{transform:translateY(0)}50%{transform:translateY(-6px)}}
/* ============ FOOTER ============ */
.site-footer{background:linear-gradient(180deg,rgba(5,31,20,.4),rgba(3,18,12,.92));border-top:1px solid var(--line-soft);padding:60px 0 26px;margin-top:20px}
.footer-grid{display:grid;grid-template-columns:1.5fr 1fr 1fr 1.1fr;gap:36px;margin-bottom:40px}
.footer-brand{display:flex;align-items:center;gap:11px;margin-bottom:16px}
.footer-brand b{font-size:.95rem;color:var(--gold-2)}
.site-footer p{font-size:.87rem;color:var(--mint);opacity:.72;margin:0}
.footer-col h4{font-size:.82rem;letter-spacing:.12em;text-transform:uppercase;color:var(--gold);margin-bottom:16px}
.footer-col ul{list-style:none;padding:0;margin:0}
.footer-col li{margin-bottom:10px}
.footer-col a{font-size:.87rem;color:var(--mint);opacity:.78}
.footer-col a:hover{color:var(--gold-2);opacity:1}
.pay-row{display:flex;flex-wrap:wrap;gap:8px;margin-top:16px}
.pay-chip{padding:5px 12px;border-radius:var(--r-full);font-size:.74rem;font-weight:600;background:rgba(245,158,11,.10);border:1px solid var(--line);color:var(--gold-2)}
.footer-bottom{display:flex;justify-content:space-between;align-items:center;gap:18px;flex-wrap:wrap;padding-top:24px;border-top:1px solid var(--line-soft);font-size:.8rem;color:var(--slate)}
.age-badge{display:inline-flex;align-items:center;gap:8px;padding:5px 14px;border-radius:var(--r-full);background:rgba(220,38,38,.14);border:1px solid rgba(220,38,38,.35);color:#FCA5A5;font-weight:600}
/* ============ RESPONSIVE ============ */
@media (max-width:1024px){
  .article-hero-grid{grid-template-columns:1fr;gap:28px}
  .article-layout{grid-template-columns:1fr;gap:34px}
  .side-sticky{position:static}
  .key-grid{grid-template-columns:repeat(2,1fr)}
  .steps{grid-template-columns:repeat(2,1fr)}
  .footer-grid{grid-template-columns:1fr 1fr}
  .nav-links a{font-size:.8rem;padding:8px 11px}
}
@media (max-width:900px){
  .nav-toggle{display:grid;place-items:center}
  .nav-links{
    order:3;width:100%;margin:12px 0 4px;flex-direction:column;align-items:stretch;gap:6px;
    max-height:0;overflow:hidden;transition:max-height .35s ease,padding .35s ease;
  }
  .nav-links.is-open{max-height:460px;padding-bottom:6px}
  .nav-links a{padding:12px 14px;border-radius:var(--r-sm);background:rgba(11,46,30,.6);border-color:var(--line-soft)}
  .nav-cta{order:2;margin-left:auto;padding:11px 15px;font-size:.8rem}
  .brand{max-width:200px}
}
@media (max-width:768px){
  .section{padding:56px 0}
  .key-grid{grid-template-columns:1fr}
  .cta-band{grid-template-columns:1fr;padding:32px 26px;text-align:left}
  .compare-table th,.compare-table td{padding:12px 14px;font-size:.84rem}
}
@media (max-width:520px){
  body{font-size:15px}
  .main-container{padding-left:16px;padding-right:16px}
  .section{padding:44px 0}
  .steps{grid-template-columns:1fr}
  .footer-grid{grid-template-columns:1fr}
  .card{padding:20px}
  .hero-media img{min-height:210px}
  .footer-bottom{justify-content:flex-start}
  .nav-cta span{display:none}
}

/* roulang page: category1 */
:root{
  --bg:#051F14;
  --bg-2:#0B2E1E;
  --bg-3:#07281B;
  --panel:rgba(11,46,30,.75);
  --panel-2:rgba(5,31,20,.86);
  --line:rgba(245,158,11,.30);
  --line-soft:rgba(209,250,229,.12);
  --gold:#F59E0B;
  --gold-2:#FCD34D;
  --gold-deep:#B45309;
  --red:#DC2626;
  --ink:#F8FAFC;
  --mint:#D1FAE5;
  --muted:#A3A375;
  --slate:#94A3B8;
  --grad-gold:linear-gradient(135deg,#F59E0B 0%,#FCD34D 100%);
  --grad-panel:linear-gradient(160deg,rgba(11,46,30,.94) 0%,rgba(5,31,20,.97) 100%);
  --r-xs:8px;
  --r-sm:12px;
  --r:18px;
  --r-lg:24px;
  --r-xl:32px;
  --r-full:999px;
  --sh-sm:0 6px 18px rgba(0,0,0,.28);
  --sh:0 18px 42px rgba(0,0,0,.42);
  --sh-gold:0 12px 32px rgba(245,158,11,.28);
  --maxw:1180px;
}
*{box-sizing:border-box}
html{-webkit-text-size-adjust:100%;scroll-behavior:smooth}
body{
  margin:0;
  font-family:'Be Vietnam Pro',system-ui,-apple-system,'Segoe UI',Roboto,'Helvetica Neue',Arial,sans-serif;
  font-size:16px;
  line-height:1.65;
  color:var(--ink);
  background:
    radial-gradient(1100px 520px at 85% -5%,rgba(245,158,11,.10),transparent 62%),
    radial-gradient(900px 500px at 0% 30%,rgba(16,185,129,.08),transparent 60%),
    var(--bg);
  overflow-x:hidden;
}
img{max-width:100%;display:block;height:auto;border-style:none}
a{color:inherit;text-decoration:none;transition:color .25s ease,opacity .25s ease}
button,input,select,textarea{font-family:inherit;font-size:1rem;line-height:1.5}
button{cursor:pointer}
h1,h2,h3,h4{margin:0 0 .6em;font-weight:800;line-height:1.25;letter-spacing:-.01em}
p{margin:0 0 1em}
ul{margin:0;padding:0;list-style:none}
.main-container{max-width:var(--maxw);padding-left:20px;padding-right:20px;margin:0 auto}
.section{padding:76px 0;position:relative}
.section--tight{padding:58px 0}
.section--alt{background:linear-gradient(180deg,rgba(11,46,30,.55) 0%,rgba(5,31,20,.15) 100%)}
.section--tint{background:radial-gradient(900px 420px at 10% 0%,rgba(245,158,11,.12),transparent 68%)}
.section--deep{background:linear-gradient(180deg,rgba(5,31,20,.35) 0%,rgba(11,46,30,.6) 50%,rgba(5,31,20,.35) 100%)}
.section-divider{height:1px;background:linear-gradient(90deg,transparent,var(--line),transparent);border:0;margin:0}
.grid-container.main-container{width:100%}
.grid-x > .cell{display:flex;flex-direction:column}
.grid-x > .cell > .card,
.grid-x > .cell > .post-card,
.grid-x > .cell > .cat-card{flex:1 1 auto}
/* HEADER */
.site-header{
  position:sticky;top:0;z-index:120;
  background:rgba(5,31,20,.88);
  backdrop-filter:blur(14px);
  -webkit-backdrop-filter:blur(14px);
  border-bottom:1px solid rgba(245,158,11,.18);
}
.nav-bar{display:flex;align-items:center;gap:18px;min-height:74px}
.brand{display:flex;align-items:center;gap:11px;flex:0 0 auto;max-width:290px}
.brand-mark{
  width:42px;height:42px;flex:0 0 42px;border-radius:13px;
  background:var(--grad-gold);color:#08251A;
  display:grid;place-items:center;font-weight:800;font-size:1rem;
  box-shadow:0 6px 16px rgba(245,158,11,.35);
}
.brand-text{display:flex;flex-direction:column;line-height:1.15}
.brand-text b{font-size:.95rem;font-weight:800;color:var(--gold-2);letter-spacing:-.01em}
.brand-text small{font-size:.64rem;font-weight:600;letter-spacing:.12em;text-transform:uppercase;color:var(--mint);opacity:.7}
.nav-links{display:flex;align-items:center;gap:4px;margin-left:auto;flex-wrap:wrap}
.nav-links a{
  display:inline-block;padding:9px 14px;border-radius:var(--r-full);
  font-size:.88rem;font-weight:600;color:var(--mint);opacity:.85;
  border:1px solid transparent;transition:all .25s ease;
}
.nav-links a:hover{color:#fff;background:rgba(245,158,11,.10);border-color:var(--line);opacity:1}
.nav-links a.is-active{color:#08251A;background:var(--grad-gold);opacity:1;font-weight:700}
.nav-cta{
  display:inline-flex;align-items:center;gap:8px;
  padding:10px 20px;border-radius:var(--r-full);
  background:var(--grad-gold);color:#08251A;font-weight:700;font-size:.88rem;
  box-shadow:var(--sh-gold);border:0;white-space:nowrap;
  transition:transform .25s ease,box-shadow .25s ease;
}
.nav-cta:hover{transform:translateY(-2px);box-shadow:0 16px 36px rgba(245,158,11,.4)}
.nav-toggle{
  display:none;margin-left:auto;width:46px;height:46px;border-radius:12px;
  background:rgba(245,158,11,.10);border:1px solid var(--line);color:var(--gold-2);
  font-size:1.15rem;line-height:1;
}
/* BUTTONS */
.btn{
  display:inline-flex;align-items:center;justify-content:center;gap:9px;
  padding:13px 26px;border-radius:var(--r-full);border:1px solid transparent;
  font-weight:700;font-size:.92rem;text-align:center;
  transition:transform .25s ease,box-shadow .25s ease,background .25s ease,border-color .25s ease,color .25s ease;
}
.btn-gold{background:var(--grad-gold);color:#08251A;box-shadow:var(--sh-gold)}
.btn-gold:hover{transform:translateY(-3px);box-shadow:0 18px 40px rgba(245,158,11,.42);color:#08251A}
.btn-ghost{background:rgba(245,158,11,.06);border-color:var(--line);color:var(--gold-2)}
.btn-ghost:hover{background:rgba(245,158,11,.16);border-color:var(--gold);color:#fff;transform:translateY(-3px)}
.btn-line{background:transparent;border-color:var(--line-soft);color:var(--mint)}
.btn-line:hover{border-color:var(--line);color:#fff;background:rgba(245,158,11,.08)}
.btn-sm{padding:9px 18px;font-size:.82rem}
.btn-block{width:100%}
.btn:focus-visible,a:focus-visible,button:focus-visible{outline:2px solid var(--gold-2);outline-offset:3px}
/* BADGES */
.badge{
  display:inline-flex;align-items:center;gap:6px;padding:5px 12px;border-radius:var(--r-full);
  font-size:.7rem;font-weight:700;letter-spacing:.1em;text-transform:uppercase;
  background:rgba(245,158,11,.12);border:1px solid var(--line);color:var(--gold-2);
}
.badge-red{background:rgba(220,38,38,.16);border-color:rgba(220,38,38,.45);color:#FCA5A5}
/* SECTION HEAD */
.sec-head{max-width:760px;margin-bottom:38px;text-align:left}
.sec-head h2{font-size:clamp(1.5rem,3vw,2.05rem);color:#fff}
.sec-head p{color:var(--mint);opacity:.82;font-size:1rem;max-width:680px}
.sec-head .eyebrow{display:inline-block;margin-bottom:12px;color:var(--gold);font-size:.75rem;font-weight:700;letter-spacing:.16em;text-transform:uppercase}
.sec-head--center{margin-left:auto;margin-right:auto;text-align:center}
/* CATEGORY HERO */
.cat-hero{
  position:relative;padding:64px 0 68px;overflow:hidden;
  background:
    linear-gradient(115deg,rgba(5,31,20,.94) 0%,rgba(5,31,20,.72) 55%,rgba(11,46,30,.62) 100%),
    url('/assets/images/4f4b8de70532c2b4.jpg') center/cover no-repeat;
  border-bottom:1px solid var(--line);
}
.cat-hero::after{content:"";position:absolute;inset:0;background:radial-gradient(620px 320px at 88% 8%,rgba(245,158,11,.20),transparent 70%);pointer-events:none}
.cat-hero .main-container{position:relative;z-index:2}
.crumb{display:flex;align-items:center;gap:9px;font-size:.78rem;color:var(--mint);opacity:.7;margin-bottom:18px;flex-wrap:wrap}
.crumb a:hover{color:var(--gold-2);opacity:1}
.crumb i{font-size:.6rem;opacity:.6}
.cat-hero h1{font-size:clamp(1.85rem,4.4vw,2.85rem);color:#fff;max-width:900px;margin-bottom:18px}
.cat-hero h1 em{font-style:normal;background:var(--grad-gold);-webkit-background-clip:text;background-clip:text;color:transparent}
.cat-hero .lead{max-width:720px;font-size:1.06rem;color:var(--mint);opacity:.9}
.hero-actions{display:flex;flex-wrap:wrap;gap:12px;margin-top:26px}
.hero-stats{display:grid;grid-template-columns:repeat(3,minmax(0,1fr));gap:14px;max-width:640px;margin-top:34px}
.hstat{
  background:var(--grad-panel);border:1px solid var(--line);border-radius:var(--r);
  padding:16px 18px;box-shadow:var(--sh-sm);
}
.hstat b{display:block;font-size:1.5rem;font-weight:800;color:var(--gold-2);line-height:1.1}
.hstat span{display:block;margin-top:6px;font-size:.76rem;color:var(--mint);opacity:.78;letter-spacing:.02em}
/* CARDS */
.card{
  background:var(--grad-panel);border:1px solid var(--line);border-radius:var(--r-lg);
  padding:26px 24px;height:100%;position:relative;overflow:hidden;
  box-shadow:var(--sh-sm);transition:transform .3s ease,box-shadow .3s ease,border-color .3s ease;
}
.card:hover{transform:translateY(-5px);box-shadow:var(--sh);border-color:rgba(245,158,11,.5)}
.card h3{font-size:1.08rem;color:#fff;margin-bottom:.5em}
.card p{color:var(--mint);opacity:.82;font-size:.93rem;margin-bottom:0}
.card-ico{
  width:48px;height:48px;border-radius:14px;display:grid;place-items:center;
  background:rgba(245,158,11,.12);border:1px solid var(--line);color:var(--gold-2);
  font-size:1.15rem;margin-bottom:16px;
}
.card-tag{
  position:absolute;top:14px;right:14px;padding:4px 11px;border-radius:var(--r-full);
  background:rgba(220,38,38,.9);color:#fff;font-size:.62rem;font-weight:800;letter-spacing:.1em;text-transform:uppercase;
}
/* METRIC BAR */
.metric-strip{
  display:grid;grid-template-columns:repeat(4,minmax(0,1fr));gap:1px;
  background:var(--line-soft);border:1px solid var(--line);border-radius:var(--r-lg);overflow:hidden;
}
.metric-strip .m-item{background:var(--panel-2);padding:24px 20px}
.metric-strip .m-item b{display:block;font-size:1.7rem;font-weight:800;color:var(--gold-2);line-height:1.1}
.metric-strip .m-item span{display:block;margin-top:7px;font-size:.78rem;color:var(--mint);opacity:.78}
/* TABLE */
.data-table{width:100%;border-collapse:collapse;background:var(--panel-2);border:1px solid var(--line);border-radius:var(--r);overflow:hidden}
.data-table th,.data-table td{padding:13px 16px;text-align:left;font-size:.9rem;border-bottom:1px solid var(--line-soft)}
.data-table th{background:rgba(245,158,11,.10);color:var(--gold-2);font-weight:700;font-size:.78rem;letter-spacing:.06em;text-transform:uppercase}
.data-table td{color:var(--mint);opacity:.9}
.data-table tr:last-child td{border-bottom:0}
.data-table td strong{color:#fff}
.data-table-wrap{overflow-x:auto;border-radius:var(--r)}
/* SCENARIO / CHECKLIST */
.check-list li{display:flex;gap:12px;align-items:flex-start;padding:11px 0;border-bottom:1px dashed var(--line-soft);color:var(--mint);font-size:.94rem}
.check-list li:last-child{border-bottom:0}
.check-list i{color:var(--gold);margin-top:4px;flex:0 0 auto}
/* CATEGORY MATRIX */
.cat-card{
  display:flex;flex-direction:column;gap:10px;
  background:var(--grad-panel);border:1px solid var(--line);border-radius:var(--r-lg);
  padding:24px 22px;height:100%;
  transition:transform .3s ease,border-color .3s ease,box-shadow .3s ease;
}
.cat-card:hover{transform:translateY(-5px);border-color:var(--gold);box-shadow:var(--sh)}
.cat-card .cat-idx{font-size:.72rem;font-weight:800;letter-spacing:.16em;color:var(--gold);text-transform:uppercase}
.cat-card h3{font-size:1.1rem;color:#fff;margin:0}
.cat-card p{color:var(--mint);opacity:.8;font-size:.9rem;margin:0}
.cat-card .cat-go{margin-top:auto;padding-top:10px;font-weight:700;color:var(--gold-2);font-size:.86rem;display:inline-flex;align-items:center;gap:8px}
.cat-card .cat-go i{transition:transform .25s ease}
.cat-card:hover .cat-go i{transform:translateX(4px)}
/* TIMELINE */
.timeline{position:relative;padding-left:28px}
.timeline::before{content:"";position:absolute;left:8px;top:6px;bottom:6px;width:2px;background:linear-gradient(180deg,var(--gold),rgba(245,158,11,.05))}
.tl-item{position:relative;padding:0 0 26px}
.tl-item:last-child{padding-bottom:0}
.tl-item::before{content:"";position:absolute;left:-28px;top:5px;width:18px;height:18px;border-radius:50%;background:var(--bg-2);border:2px solid var(--gold)}
.tl-item h4{font-size:1rem;color:#fff;margin-bottom:.3em}
.tl-item p{color:var(--mint);opacity:.82;font-size:.92rem;margin:0}
/* POST LIST */
.post-list{display:grid;gap:16px}
.post-card{
  display:flex;gap:18px;align-items:stretch;
  background:var(--grad-panel);border:1px solid var(--line);border-radius:var(--r-lg);
  overflow:hidden;transition:transform .3s ease,border-color .3s ease,box-shadow .3s ease;
}
.post-card:hover{transform:translateY(-4px);border-color:rgba(245,158,11,.5);box-shadow:var(--sh)}
.post-thumb{flex:0 0 190px;min-height:130px;overflow:hidden}
.post-thumb img{width:100%;height:100%;object-fit:cover}
.post-body{padding:18px 20px 18px 0;display:flex;flex-direction:column;gap:8px}
.post-meta{display:flex;gap:12px;flex-wrap:wrap;font-size:.74rem;color:var(--gold-2);font-weight:600;letter-spacing:.04em}
.post-meta span{opacity:.85}
.post-body h3{font-size:1.02rem;color:#fff;margin:0}
.post-body h3 a:hover{color:var(--gold-2)}
.post-body p{color:var(--mint);opacity:.78;font-size:.88rem;margin:0}
.post-more{margin-top:auto;font-size:.82rem;font-weight:700;color:var(--gold-2);display:inline-flex;align-items:center;gap:7px}
.post-more i{transition:transform .25s ease}
.post-card:hover .post-more i{transform:translateX(4px)}
.empty-note{color:var(--mint);opacity:.7;font-size:.9rem;padding:22px;border:1px dashed var(--line);border-radius:var(--r);background:var(--panel-2)}
/* FAQ */
.faq-item{border:1px solid var(--line);border-radius:var(--r);background:var(--panel-2);margin-bottom:12px;overflow:hidden}
.faq-q{
  width:100%;text-align:left;background:transparent;border:0;color:#fff;
  font-weight:700;font-size:.96rem;padding:18px 20px;display:flex;justify-content:space-between;gap:14px;align-items:center;
}
.faq-q i{color:var(--gold);transition:transform .3s ease;flex:0 0 auto}
.faq-item.is-open .faq-q i{transform:rotate(45deg)}
.faq-a{max-height:0;overflow:hidden;transition:max-height .35s ease}
.faq-item.is-open .faq-a{max-height:320px}
.faq-a p{padding:0 20px 18px;margin:0;color:var(--mint);opacity:.84;font-size:.92rem}
/* CTA */
.cta-band{
  background:linear-gradient(135deg,rgba(245,158,11,.14) 0%,rgba(5,31,20,.94) 58%),var(--panel-2);
  border:1px solid var(--line);border-radius:var(--r-xl);padding:40px 34px;
  display:grid;grid-template-columns:1.3fr .9fr;gap:32px;align-items:center;
}
.cta-band h2{font-size:clamp(1.4rem,2.6vw,1.9rem);color:#fff;margin-bottom:.4em}
.cta-band p{color:var(--mint);opacity:.86;margin-bottom:0}
.cta-form{display:flex;flex-direction:column;gap:12px}
.cta-form input{
  width:100%;padding:13px 16px;border-radius:var(--r-sm);
  background:rgba(5,31,20,.85);border:1px solid var(--line-soft);color:#fff;
}
.cta-form input::placeholder{color:var(--slate)}
.cta-form input:focus{outline:none;border-color:var(--gold);box-shadow:0 0 0 3px rgba(245,158,11,.18)}
/* FOOTER */
.site-footer{background:linear-gradient(180deg,rgba(5,31,20,.5) 0%,rgba(3,18,12,.98) 100%);border-top:1px solid var(--line);padding:54px 0 26px;margin-top:20px}
.footer-grid{display:grid;grid-template-columns:1.5fr 1fr 1fr 1.2fr;gap:34px}
.footer-brand{display:flex;align-items:center;gap:10px;margin-bottom:14px}
.footer-brand b{color:var(--gold-2);font-size:.98rem;font-weight:800}
.site-footer p{color:var(--mint);opacity:.7;font-size:.86rem;max-width:420px}
.footer-col h4{font-size:.82rem;letter-spacing:.12em;text-transform:uppercase;color:var(--gold);margin-bottom:14px}
.footer-col ul li{margin-bottom:9px}
.footer-col ul li a{color:var(--mint);opacity:.78;font-size:.88rem}
.footer-col ul li a:hover{color:var(--gold-2);opacity:1}
.pay-row{display:flex;flex-wrap:wrap;gap:8px;margin-top:14px}
.pay-chip{padding:5px 12px;border-radius:var(--r-full);border:1px solid var(--line);background:rgba(245,158,11,.07);color:var(--mint);font-size:.74rem;font-weight:600}
.footer-bottom{
  margin-top:36px;padding-top:20px;border-top:1px solid var(--line-soft);
  display:flex;justify-content:space-between;gap:16px;flex-wrap:wrap;
  font-size:.78rem;color:var(--mint);opacity:.66;
}
.age-badge{display:inline-flex;align-items:center;gap:7px}
/* FAB */
.fab{
  position:fixed;left:16px;bottom:96px;z-index:200;
  width:56px;height:56px;border-radius:var(--r-full);
  background:var(--grad-gold);color:#08251A;border:2px solid #F59E0B;
  display:grid;place-items:center;font-size:1.25rem;
  box-shadow:0 6px 25px rgba(245,158,11,.35);
  animation:fabFloat 3.2s ease-in-out infinite;transition:transform .25s ease,opacity .25s ease;
}
.fab:hover{transform:scale(1.1);opacity:1}
.fab:active{transform:scale(.95) translateY(4px)}
.fab::after{content:"";position:absolute;top:-4px;right:-4px;width:14px;height:14px;border-radius:50%;background:#DC2626;border:2px solid #fff}
@keyframes fabFloat{0%,100%{transform:translateY(0)}50%{transform:translateY(-7px)}}
/* RESPONSIVE */
@media (max-width:1024px){
  .footer-grid{grid-template-columns:1fr 1fr;gap:26px}
  .cta-band{grid-template-columns:1fr;gap:24px}
  .metric-strip{grid-template-columns:repeat(2,minmax(0,1fr))}
}
@media (max-width:860px){
  .nav-bar{flex-wrap:wrap;padding:12px 0;min-height:0}
  .nav-toggle{display:grid;place-items:center;order:2;margin-left:auto}
  .nav-cta{order:3;width:100%;margin:10px 0 0;justify-content:center}
  .nav-links{
    order:4;width:100%;margin:8px 0 4px;flex-direction:column;align-items:stretch;gap:6px;
    max-height:0;overflow:hidden;transition:max-height .35s ease,padding .35s ease;
  }
  .nav-links.is-open{max-height:460px;padding-bottom:6px}
  .nav-links a{padding:12px 14px;border-radius:var(--r-sm);background:rgba(11,46,30,.6);border-color:var(--line-soft)}
  .section{padding:56px 0}
  .hero-stats{grid-template-columns:1fr;max-width:100%}
  .post-card{flex-direction:column}
  .post-thumb{flex:0 0 auto;height:180px}
  .post-body{padding:16px 20px 20px}
}
@media (max-width:520px){
  .brand{max-width:200px}
  .brand-text b{font-size:.82rem}
  .brand-text small{font-size:.58rem}
  .section{padding:46px 0}
  .cat-hero{padding:48px 0 52px}
  .metric-strip{grid-template-columns:1fr}
  .footer-grid{grid-template-columns:1fr}
  .cta-band{padding:28px 20px}
  .data-table th,.data-table td{padding:10px 12px;font-size:.82rem}
  .fab{width:50px;height:50px;bottom:84px;font-size:1.1rem}
}

/* roulang page: category3 */
:root{
  --bg:#051F14;
  --bg-2:#0B2E1E;
  --bg-3:#07281B;
  --panel:rgba(11,46,30,.75);
  --panel-2:rgba(5,31,20,.86);
  --line:rgba(245,158,11,.30);
  --line-soft:rgba(209,250,229,.12);
  --gold:#F59E0B;
  --gold-2:#FCD34D;
  --gold-deep:#B45309;
  --red:#DC2626;
  --ink:#F8FAFC;
  --mint:#D1FAE5;
  --muted:#A3A375;
  --slate:#94A3B8;
  --grad-gold:linear-gradient(135deg,#F59E0B 0%,#FCD34D 100%);
  --grad-panel:linear-gradient(160deg,rgba(11,46,30,.94) 0%,rgba(5,31,20,.97) 100%);
  --r-xs:8px;
  --r-sm:12px;
  --r:18px;
  --r-lg:24px;
  --r-xl:32px;
  --r-full:999px;
  --sh-sm:0 6px 18px rgba(0,0,0,.28);
  --sh:0 18px 42px rgba(0,0,0,.42);
  --sh-gold:0 12px 32px rgba(245,158,11,.28);
  --maxw:1180px;
}
*{box-sizing:border-box}
html{-webkit-text-size-adjust:100%;scroll-behavior:smooth}
body{
  margin:0;
  font-family:'Be Vietnam Pro',system-ui,-apple-system,'Segoe UI',Roboto,'Helvetica Neue',Arial,sans-serif;
  font-size:16px;
  line-height:1.65;
  color:var(--ink);
  background:
    radial-gradient(1100px 520px at 85% -5%,rgba(245,158,11,.10),transparent 62%),
    radial-gradient(900px 500px at 0% 30%,rgba(16,185,129,.08),transparent 60%),
    var(--bg);
  overflow-x:hidden;
}
img{max-width:100%;display:block;height:auto;border-style:none}
a{color:inherit;text-decoration:none;transition:color .25s ease,opacity .25s ease,border-color .25s ease}
button,input,select,textarea{font-family:inherit;font-size:1rem;line-height:1.5}
button{cursor:pointer}
.main-container{max-width:var(--maxw);padding-left:20px;padding-right:20px;margin:0 auto}
.grid-container.main-container{width:100%}
.section{padding:76px 0;position:relative}
.section--tight{padding:56px 0}
.section--alt{background:linear-gradient(180deg,rgba(11,46,30,.55) 0%,rgba(5,31,20,.15) 100%)}
.section--tint{background:radial-gradient(900px 420px at 10% 0%,rgba(245,158,11,.12),transparent 68%)}
.section--deep{background:linear-gradient(180deg,rgba(5,31,20,.35) 0%,rgba(11,46,30,.6) 50%,rgba(5,31,20,.35) 100%)}
.section-divider{height:1px;background:linear-gradient(90deg,transparent,var(--line),transparent);border:0;margin:0}
/* HEADER / NAV */
.site-header{
  position:sticky;top:0;z-index:120;
  background:rgba(5,31,20,.88);
  backdrop-filter:blur(14px);
  -webkit-backdrop-filter:blur(14px);
  border-bottom:1px solid rgba(245,158,11,.18);
}
.nav-bar{display:flex;align-items:center;gap:18px;min-height:74px;flex-wrap:wrap;padding:12px 0}
.brand{display:flex;align-items:center;gap:11px;flex:0 0 auto;max-width:230px}
.brand-mark{
  width:42px;height:42px;flex:0 0 42px;border-radius:13px;
  background:var(--grad-gold);color:#08251A;
  display:grid;place-items:center;font-weight:800;font-size:1rem;
  box-shadow:0 6px 16px rgba(245,158,11,.35);
}
.brand-text{display:flex;flex-direction:column;line-height:1.15}
.brand-text b{font-size:.84rem;font-weight:800;color:var(--gold-2);letter-spacing:-.01em}
.brand-text small{font-size:.62rem;font-weight:600;letter-spacing:.12em;text-transform:uppercase;color:var(--mint);opacity:.7}
.nav-links{display:flex;align-items:center;gap:4px;margin-left:auto;flex-wrap:wrap;list-style:none;padding:0}
.nav-links a{
  display:inline-block;padding:9px 14px;border-radius:var(--r-full);
  font-size:.86rem;font-weight:600;color:var(--mint);opacity:.85;
  border:1px solid transparent;transition:all .25s ease;
}
.nav-links a:hover{color:#fff;background:rgba(245,158,11,.10);border-color:var(--line);opacity:1}
.nav-links a.is-active{color:#08251A;background:var(--grad-gold);opacity:1;font-weight:700}
.nav-cta{
  display:inline-flex;align-items:center;gap:8px;
  padding:10px 20px;border-radius:var(--r-full);
  background:var(--grad-gold);color:#08251A;font-weight:700;font-size:.86rem;
  box-shadow:var(--sh-gold);border:0;white-space:nowrap;
  transition:transform .25s ease,box-shadow .25s ease;
}
.nav-cta:hover{transform:translateY(-2px);box-shadow:0 16px 36px rgba(245,158,11,.4)}
.nav-toggle{
  display:none;margin-left:auto;width:46px;height:46px;border-radius:12px;
  background:rgba(245,158,11,.10);border:1px solid var(--line);color:var(--gold-2);
  font-size:1.15rem;line-height:1;
}
/* BUTTONS */
.btn{
  display:inline-flex;align-items:center;justify-content:center;gap:9px;
  padding:13px 26px;border-radius:var(--r-full);border:1px solid transparent;
  font-weight:700;font-size:.92rem;letter-spacing:.01em;text-align:center;
  transition:transform .25s ease,box-shadow .25s ease,background .25s ease,border-color .25s ease,color .25s ease;
}
.btn-gold{background:var(--grad-gold);color:#08251A;box-shadow:var(--sh-gold)}
.btn-gold:hover{transform:translateY(-3px);box-shadow:0 18px 40px rgba(245,158,11,.42);color:#08251A}
.btn-gold:active{transform:translateY(-1px)}
.btn-ghost{background:rgba(245,158,11,.06);border-color:var(--line);color:var(--gold-2)}
.btn-ghost:hover{background:rgba(245,158,11,.16);border-color:var(--gold);color:#fff;transform:translateY(-3px)}
.btn-line{background:transparent;border-color:var(--line-soft);color:var(--mint)}
.btn-line:hover{border-color:var(--line);color:#fff;background:rgba(245,158,11,.08)}
.btn-sm{padding:9px 18px;font-size:.82rem}
.btn-block{width:100%}
.btn:focus-visible,.nav-links a:focus-visible,.nav-cta:focus-visible,a:focus-visible{outline:2px solid var(--gold-2);outline-offset:2px}
/* BADGES */
.tag{
  display:inline-flex;align-items:center;gap:7px;
  padding:6px 14px;border-radius:var(--r-full);
  font-size:.72rem;font-weight:700;letter-spacing:.09em;text-transform:uppercase;
  background:rgba(245,158,11,.12);border:1px solid var(--line);color:var(--gold-2);
}
.tag-red{background:rgba(220,38,38,.14);border-color:rgba(220,38,38,.4);color:#FCA5A5}
.tag-mint{background:rgba(16,185,129,.12);border-color:rgba(16,185,129,.35);color:#6EE7B7}
/* TYPOGRAPHY */
h1,h2,h3,h4{margin:0 0 14px;line-height:1.2;font-weight:800;letter-spacing:-.02em}
h1{font-size:clamp(2rem,4.6vw,3.2rem)}
h2{font-size:clamp(1.5rem,3vw,2.2rem)}
h3{font-size:1.16rem;font-weight:700;letter-spacing:-.01em}
p{margin:0 0 14px}
.eyebrow{
  display:inline-flex;align-items:center;gap:9px;
  font-size:.74rem;font-weight:700;letter-spacing:.16em;text-transform:uppercase;
  color:var(--gold-2);margin-bottom:16px;
}
.eyebrow::before{content:"";width:26px;height:1px;background:var(--grad-gold);border-radius:2px}
.lead{font-size:1.06rem;color:var(--mint);line-height:1.7;max-width:70ch}
.muted{color:var(--slate)}
.text-gold{color:var(--gold-2)}
.section-head{max-width:760px;margin-bottom:38px}
.section-head--center{margin-left:auto;margin-right:auto;text-align:center}
/* HERO */
.hero{
  position:relative;padding:70px 0 64px;overflow:hidden;
  background:
    linear-gradient(180deg,rgba(5,31,20,.86) 0%,rgba(5,31,20,.94) 65%,var(--bg) 100%),
    url('/assets/images/cb590623abd86563.jpg') center/cover no-repeat;
}
.hero::after{
  content:"";position:absolute;inset:0;pointer-events:none;
  background:radial-gradient(700px 340px at 82% 18%,rgba(245,158,11,.18),transparent 68%);
}
.hero-grid{position:relative;z-index:2;display:grid;grid-template-columns:1.25fr .95fr;gap:46px;align-items:start}
.hero h1{margin-bottom:18px}
.hero h1 span{background:var(--grad-gold);-webkit-background-clip:text;background-clip:text;color:transparent}
.hero-cta{display:flex;flex-wrap:wrap;gap:14px;margin-top:26px}
.hero-stats{display:flex;flex-wrap:wrap;gap:26px;margin-top:34px;padding-top:26px;border-top:1px solid var(--line-soft)}
.hero-stat b{display:block;font-size:1.5rem;font-weight:800;color:var(--gold-2);line-height:1.1}
.hero-stat span{font-size:.78rem;color:var(--slate);letter-spacing:.04em}
.quick-grid{display:grid;grid-template-columns:1fr 1fr;gap:14px}
.quick{
  background:var(--grad-panel);border:1px solid var(--line);border-radius:var(--r);
  padding:18px 16px;display:flex;flex-direction:column;gap:8px;
  transition:transform .3s ease,border-color .3s ease,box-shadow .3s ease;
}
.quick:hover{transform:translateY(-4px);border-color:var(--gold);box-shadow:var(--sh-gold)}
.quick i{font-size:1.2rem;color:var(--gold-2)}
.quick b{font-size:.9rem;font-weight:700}
.quick span{font-size:.76rem;color:var(--slate);line-height:1.5}
/* METRIC BOARD */
.metric-board{display:grid;grid-template-columns:repeat(4,1fr);gap:16px}
.metric{
  background:var(--grad-panel);border:1px solid var(--line-soft);border-radius:var(--r-lg);
  padding:22px 18px;position:relative;overflow:hidden;
  transition:border-color .3s ease,transform .3s ease;
}
.metric::before{content:"";position:absolute;top:0;left:0;width:100%;height:3px;background:var(--grad-gold);opacity:.85}
.metric:hover{border-color:var(--line);transform:translateY(-4px)}
.metric b{display:block;font-size:1.9rem;font-weight:800;color:var(--gold-2);line-height:1.05;letter-spacing:-.02em}
.metric span{display:block;font-size:.82rem;color:var(--slate);margin-top:6px}
.metric small{display:block;font-size:.72rem;color:var(--muted);margin-top:10px;letter-spacing:.03em}
/* SERVICE MATRIX */
.matrix{display:grid;grid-template-columns:repeat(3,1fr);gap:18px}
.card{
  background:var(--grad-panel);border:1px solid var(--line-soft);border-radius:var(--r-lg);
  padding:24px 22px;position:relative;
  transition:transform .3s ease,border-color .3s ease,box-shadow .3s ease;
}
.card:hover{transform:translateY(-5px);border-color:var(--line);box-shadow:var(--sh)}
.card h3{margin-bottom:10px;color:#fff}
.card p{font-size:.9rem;color:var(--mint);opacity:.86;margin-bottom:0}
.card-ico{
  width:48px;height:48px;border-radius:14px;display:grid;place-items:center;
  background:rgba(245,158,11,.12);border:1px solid var(--line);color:var(--gold-2);
  font-size:1.1rem;margin-bottom:16px;
}
/* COMPARE */
.compare{display:grid;grid-template-columns:1fr 1fr;gap:22px}
.compare-col{
  border-radius:var(--r-lg);padding:26px 24px;border:1px solid var(--line-soft);
  background:rgba(5,31,20,.5);
}
.compare-col.is-good{border-color:rgba(16,185,129,.4);background:linear-gradient(160deg,rgba(16,185,129,.10),rgba(5,31,20,.6))}
.compare-col.is-bad{border-color:rgba(220,38,38,.35);background:linear-gradient(160deg,rgba(220,38,38,.09),rgba(5,31,20,.6))}
.compare-col h3{display:flex;align-items:center;gap:10px;font-size:1.05rem}
.compare-col ul{list-style:none;padding:0;margin:14px 0 0}
.compare-col li{display:flex;gap:11px;align-items:flex-start;padding:9px 0;border-bottom:1px dashed var(--line-soft);font-size:.88rem;color:var(--mint)}
.compare-col li:last-child{border-bottom:0}
.compare-col li i{margin-top:4px}
.is-good li i{color:#6EE7B7}
.is-bad li i{color:#FCA5A5}
/* TIMELINE */
.timeline{position:relative;padding-left:34px}
.timeline::before{content:"";position:absolute;left:9px;top:6px;bottom:6px;width:2px;background:linear-gradient(180deg,var(--gold),rgba(245,158,11,.12))}
.tl-item{position:relative;padding:0 0 30px}
.tl-item:last-child{padding-bottom:0}
.tl-item::before{
  content:"";position:absolute;left:-32px;top:5px;width:18px;height:18px;border-radius:50%;
  background:var(--bg-2);border:2px solid var(--gold);box-shadow:0 0 0 4px rgba(245,158,11,.12);
}
.tl-item b{display:block;font-size:1rem;color:var(--gold-2);margin-bottom:5px}
.tl-item p{font-size:.88rem;color:var(--mint);opacity:.85;margin:0}
/* STEPS */
.steps{display:grid;grid-template-columns:repeat(3,1fr);gap:18px}
.step{
  background:rgba(11,46,30,.55);border:1px solid var(--line-soft);border-radius:var(--r-lg);
  padding:24px 22px;position:relative;
}
.step-num{
  font-size:.78rem;font-weight:800;letter-spacing:.14em;color:var(--gold-2);
  text-transform:uppercase;margin-bottom:12px;display:block;
}
.step h3{font-size:1.02rem;margin-bottom:9px}
.step p{font-size:.86rem;color:var(--mint);opacity:.85;margin:0}
/* SCENARIOS */
.scenarios{display:grid;grid-template-columns:repeat(2,1fr);gap:18px}
.scenario{
  display:grid;grid-template-columns:96px 1fr;gap:18px;align-items:center;
  background:var(--grad-panel);border:1px solid var(--line-soft);border-radius:var(--r-lg);
  padding:16px;transition:border-color .3s ease,transform .3s ease;
}
.scenario:hover{border-color:var(--line);transform:translateY(-4px)}
.scenario img{width:96px;height:96px;object-fit:cover;border-radius:var(--r-sm)}
.scenario h3{font-size:.98rem;margin-bottom:6px}
.scenario p{font-size:.82rem;color:var(--slate);margin:0}
/* FEATURE LIST BLOCK */
.split{display:grid;grid-template-columns:1.05fr .95fr;gap:40px;align-items:center}
.split-media img{border-radius:var(--r-xl);border:1px solid var(--line);box-shadow:var(--sh)}
.check-list{list-style:none;padding:0;margin:20px 0 0}
.check-list li{display:flex;gap:12px;align-items:flex-start;padding:10px 0;font-size:.92rem;color:var(--mint)}
.check-list li i{color:var(--gold-2);margin-top:5px}
/* TABLE */
.vault-wrap{overflow-x:auto;border:1px solid var(--line-soft);border-radius:var(--r-lg);background:rgba(5,31,20,.5)}
table.vault{width:100%;border-collapse:collapse;min-width:640px}
table.vault th,table.vault td{padding:14px 18px;text-align:left;font-size:.88rem;border-bottom:1px solid var(--line-soft)}
table.vault thead th{background:rgba(245,158,11,.10);color:var(--gold-2);font-weight:700;font-size:.78rem;letter-spacing:.07em;text-transform:uppercase}
table.vault tbody tr:last-child td{border-bottom:0}
table.vault tbody tr:hover{background:rgba(245,158,11,.05)}
/* NEWS LIST */
.post-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:20px}
.post-card{
  background:var(--grad-panel);border:1px solid var(--line-soft);border-radius:var(--r-lg);
  overflow:hidden;display:flex;flex-direction:column;
  transition:transform .3s ease,border-color .3s ease,box-shadow .3s ease;
}
.post-card:hover{transform:translateY(-6px);border-color:var(--line);box-shadow:var(--sh)}
.post-thumb{aspect-ratio:16/10;overflow:hidden;background:rgba(11,46,30,.8)}
.post-thumb img{width:100%;height:100%;object-fit:cover;transition:transform .5s ease}
.post-card:hover .post-thumb img{transform:scale(1.06)}
.post-body{padding:20px 20px 22px;display:flex;flex-direction:column;gap:9px;flex:1}
.post-meta{display:flex;flex-wrap:wrap;gap:10px;font-size:.72rem;color:var(--slate);letter-spacing:.03em}
.post-meta span{display:inline-flex;align-items:center;gap:6px}
.post-body h3{font-size:1rem;margin:0;line-height:1.4}
.post-body p{font-size:.84rem;color:var(--slate);margin:0;flex:1}
.post-empty{
  grid-column:1/-1;padding:44px 22px;text-align:center;border:1px dashed var(--line);
  border-radius:var(--r-lg);color:var(--mint);background:rgba(11,46,30,.4);
}
/* TRUST */
.trust-row{display:grid;grid-template-columns:repeat(4,1fr);gap:16px}
.trust{
  text-align:left;padding:22px 20px;border:1px solid var(--line-soft);border-radius:var(--r-lg);
  background:rgba(11,46,30,.45);
}
.trust i{font-size:1.3rem;color:var(--gold-2);margin-bottom:14px;display:block}
.trust b{display:block;font-size:.95rem;margin-bottom:6px}
.trust span{font-size:.82rem;color:var(--slate)}
/* PAYMENTS */
.pay-row{display:flex;flex-wrap:wrap;gap:9px;margin-top:14px}
.pay-chip{
  font-size:.76rem;font-weight:600;padding:7px 14px;border-radius:var(--r-full);
  border:1px solid var(--line-soft);background:rgba(245,158,11,.06);color:var(--mint);
}
/* FAQ */
.faq{max-width:900px;margin:0 auto}
.faq-item{
  border:1px solid var(--line-soft);border-radius:var(--r);margin-bottom:12px;
  background:rgba(11,46,30,.5);overflow:hidden;transition:border-color .3s ease;
}
.faq-item[open]{border-color:var(--line)}
.faq-item summary{
  list-style:none;cursor:pointer;padding:18px 52px 18px 20px;position:relative;
  font-weight:700;font-size:.96rem;color:var(--ink);
}
.faq-item summary::-webkit-details-marker{display:none}
.faq-item summary::after{
  content:"\f078";font-family:"Font Awesome 6 Free";font-weight:900;
  position:absolute;right:20px;top:50%;transform:translateY(-50%);
  font-size:.78rem;color:var(--gold-2);transition:transform .3s ease;
}
.faq-item[open] summary::after{transform:translateY(-50%) rotate(180deg)}
.faq-item p{padding:0 20px 20px;margin:0;font-size:.9rem;color:var(--mint);opacity:.88}
/* CTA + FORM */
.cta-band{
  border-radius:var(--r-xl);padding:46px 38px;position:relative;overflow:hidden;
  background:linear-gradient(135deg,rgba(245,158,11,.16),rgba(11,46,30,.92) 55%),var(--bg-2);
  border:1px solid var(--line);
}
.cta-band::after{
  content:"";position:absolute;right:-90px;top:-90px;width:280px;height:280px;border-radius:50%;
  background:radial-gradient(circle,rgba(245,158,11,.24),transparent 68%);
}
.cta-grid{position:relative;z-index:2;display:grid;grid-template-columns:1.05fr .95fr;gap:38px;align-items:start}
.form-field{margin-bottom:14px}
.form-field label{display:block;font-size:.78rem;font-weight:600;color:var(--mint);margin-bottom:7px;letter-spacing:.03em}
.form-field input,.form-field select{
  width:100%;padding:13px 16px;border-radius:var(--r-sm);
  background:rgba(5,31,20,.75);border:1px solid var(--line-soft);
  color:var(--ink);font-size:.92rem;transition:border-color .25s ease,box-shadow .25s ease;
}
.form-field input::placeholder{color:rgba(148,163,184,.7)}
.form-field input:focus,.form-field select:focus{
  outline:none;border-color:var(--gold);box-shadow:0 0 0 3px rgba(245,158,11,.16);
}
.form-note{font-size:.76rem;color:var(--slate);margin-top:12px;line-height:1.5}
/* FOOTER */
.site-footer{
  background:linear-gradient(180deg,rgba(5,31,20,.4),rgba(5,31,20,.95));
  border-top:1px solid var(--line);padding:58px 0 26px;margin-top:0;
}
.footer-grid{display:grid;grid-template-columns:1.5fr 1fr 1fr 1.2fr;gap:34px;margin-bottom:38px}
.footer-brand{display:flex;align-items:center;gap:11px;margin-bottom:16px}
.footer-brand b{font-size:.92rem;color:var(--gold-2);font-weight:800}
.site-footer p{font-size:.85rem;color:var(--slate);line-height:1.65;margin:0}
.footer-col h4{font-size:.8rem;letter-spacing:.09em;text-transform:uppercase;color:var(--gold-2);margin-bottom:16px;font-weight:700}
.footer-col ul{list-style:none;padding:0;margin:0}
.footer-col ul li{margin-bottom:9px}
.footer-col ul li a{font-size:.86rem;color:var(--mint);opacity:.82}
.footer-col ul li a:hover{color:var(--gold-2);opacity:1}
.footer-bottom{
  display:flex;flex-wrap:wrap;gap:12px;justify-content:space-between;align-items:center;
  padding-top:22px;border-top:1px solid var(--line-soft);font-size:.78rem;color:var(--slate);
}
.age-badge{display:inline-flex;align-items:center;gap:8px;color:var(--gold-2);font-weight:600}
/* FAB */
.fab{
  position:fixed;left:16px;bottom:96px;z-index:150;width:56px;height:56px;border-radius:50%;
  display:grid;place-items:center;background:var(--grad-gold);color:#08251A;
  border:2px solid rgba(252,211,77,.9);box-shadow:0 10px 28px rgba(245,158,11,.42);
  font-size:1.2rem;opacity:.86;animation:fabFloat 3.2s ease-in-out infinite;
  transition:transform .3s ease,opacity .3s ease;
}
.fab:hover{transform:scale(1.1);opacity:1}
.fab:active{transform:scale(.95) translateY(2px)}
.fab .fab-dot{
  position:absolute;top:-2px;right:-2px;width:13px;height:13px;border-radius:50%;
  background:var(--red);box-shadow:0 0 0 2px #fff;
}
@keyframes fabFloat{0%,100%{transform:translateY(0)}50%{transform:translateY(-6px)}}
/* RESPONSIVE */
@media (max-width:1024px){
  .hero-grid,.split,.cta-grid{grid-template-columns:1fr}
  .matrix,.post-grid,.steps{grid-template-columns:repeat(2,1fr)}
  .metric-board{grid-template-columns:repeat(2,1fr)}
  .trust-row{grid-template-columns:repeat(2,1fr)}
  .footer-grid{grid-template-columns:1fr 1fr}
  .compare{grid-template-columns:1fr}
}
@media (max-width:768px){
  .nav-toggle{display:grid;place-items:center}
  .nav-links{
    order:3;width:100%;margin:12px 0 4px;flex-direction:column;align-items:stretch;gap:6px;
    max-height:0;overflow:hidden;transition:max-height .35s ease,padding .35s ease;
  }
  .nav-links.is-open{max-height:420px;padding-bottom:6px}
  .nav-links a{padding:12px 14px;border-radius:var(--r-sm);background:rgba(11,46,30,.6);border-color:var(--line-soft)}
  .nav-cta{order:2;margin-left:auto;padding:11px 16px;font-size:.8rem}
  .section{padding:58px 0}
  .hero{padding:52px 0 48px}
  .hero-stats{gap:18px}
  .scenario{grid-template-columns:1fr}
  .scenario img{width:100%;height:170px}
}
@media (max-width:560px){
  .quick-grid,.matrix,.post-grid,.steps,.metric-board,.trust-row,.scenarios,.footer-grid{grid-template-columns:1fr}
  .brand-text small{display:none}
  .cta-band{padding:32px 22px}
  .section{padding:48px 0}
}

/* roulang page: category2 */
:root{
  --bg:#051F14;
  --bg-2:#0B2E1E;
  --bg-3:#07281B;
  --panel:rgba(11,46,30,.75);
  --panel-2:rgba(5,31,20,.86);
  --line:rgba(245,158,11,.30);
  --line-soft:rgba(209,250,229,.12);
  --gold:#F59E0B;
  --gold-2:#FCD34D;
  --gold-deep:#B45309;
  --red:#DC2626;
  --ink:#F8FAFC;
  --mint:#D1FAE5;
  --muted:#A3A375;
  --slate:#94A3B8;
  --grad-gold:linear-gradient(135deg,#F59E0B 0%,#FCD34D 100%);
  --grad-panel:linear-gradient(160deg,rgba(11,46,30,.94) 0%,rgba(5,31,20,.97) 100%);
  --r-xs:8px;
  --r-sm:12px;
  --r:18px;
  --r-lg:24px;
  --r-xl:32px;
  --r-full:999px;
  --sh-sm:0 6px 18px rgba(0,0,0,.28);
  --sh:0 18px 42px rgba(0,0,0,.42);
  --sh-gold:0 12px 32px rgba(245,158,11,.28);
  --maxw:1180px;
}
*,*::before,*::after{box-sizing:border-box}
html{-webkit-text-size-adjust:100%;scroll-behavior:smooth}
body{
  margin:0;
  font-family:'Be Vietnam Pro',system-ui,-apple-system,'Segoe UI',Roboto,'Helvetica Neue',Arial,sans-serif;
  font-size:16px;
  line-height:1.65;
  color:var(--ink);
  background:
    radial-gradient(1100px 520px at 85% -5%,rgba(245,158,11,.10),transparent 62%),
    radial-gradient(900px 500px at 0% 30%,rgba(16,185,129,.08),transparent 60%),
    var(--bg);
  overflow-x:hidden;
}
img{max-width:100%;display:block;height:auto;border-style:none}
a{color:inherit;text-decoration:none;transition:color .25s ease,opacity .25s ease}
button,input,select,textarea{font-family:inherit;font-size:1rem;line-height:1.5}
button{cursor:pointer}
h1,h2,h3,h4{margin:0 0 12px;line-height:1.28;letter-spacing:-.01em}
p{margin:0 0 14px}
ul{margin:0;padding:0;list-style:none}
:focus-visible{outline:2px solid var(--gold-2);outline-offset:3px}

/* ============ LAYOUT ============ */
.main-container{max-width:var(--maxw);padding-left:20px;padding-right:20px;margin:0 auto}
.section{padding:76px 0;position:relative}
.section--tight{padding:56px 0}
.section--alt{background:linear-gradient(180deg,rgba(11,46,30,.58) 0%,rgba(5,31,20,.12) 100%)}
.section--tint{background:radial-gradient(900px 420px at 8% 0%,rgba(245,158,11,.13),transparent 68%)}
.section--deep{background:linear-gradient(180deg,rgba(5,31,20,.30) 0%,rgba(11,46,30,.62) 50%,rgba(5,31,20,.30) 100%)}
.section-divider{height:1px;background:linear-gradient(90deg,transparent,var(--line),transparent);border:0;margin:0}
.grid-x > .cell{display:flex;flex-direction:column}
.grid-x > .cell > .card,
.grid-x > .cell > .stat,
.grid-x > .cell > .matrix-card,
.grid-x > .cell > .cat-card,
.grid-x > .cell > .post-card,
.grid-x > .cell > .log-card,
.grid-x > .cell > .g-card{flex:1 1 auto}
.section-head{max-width:760px;margin-bottom:36px}
.section-head h2{font-size:clamp(1.5rem,2.6vw,2.05rem);font-weight:800;margin-bottom:10px}
.section-head p{color:var(--mint);opacity:.82;margin:0}
.eyebrow{
  display:inline-flex;align-items:center;gap:8px;
  padding:7px 15px;border-radius:var(--r-full);
  background:rgba(245,158,11,.12);border:1px solid var(--line);
  color:var(--gold-2);font-size:.74rem;font-weight:700;letter-spacing:.14em;text-transform:uppercase;
  margin-bottom:18px;
}
.lead{font-size:1.02rem;color:var(--mint);opacity:.88}
.note{font-size:.82rem;color:var(--slate)}

/* ============ HEADER / NAV ============ */
.site-header{
  position:sticky;top:0;z-index:120;
  background:rgba(5,31,20,.88);
  backdrop-filter:blur(14px);-webkit-backdrop-filter:blur(14px);
  border-bottom:1px solid rgba(245,158,11,.18);
}
.nav-bar{display:flex;align-items:center;gap:18px;min-height:74px;flex-wrap:wrap;padding:12px 0}
.brand{display:flex;align-items:center;gap:11px;flex:0 0 auto;max-width:225px}
.brand-mark{
  width:42px;height:42px;flex:0 0 42px;border-radius:13px;
  background:var(--grad-gold);color:#08251A;
  display:grid;place-items:center;font-weight:800;font-size:1rem;
  box-shadow:0 6px 16px rgba(245,158,11,.35);
}
.brand-text{display:flex;flex-direction:column;line-height:1.15}
.brand-text b{font-size:.82rem;font-weight:800;color:var(--gold-2);letter-spacing:-.01em}
.brand-text small{font-size:.62rem;font-weight:600;letter-spacing:.12em;text-transform:uppercase;color:var(--mint);opacity:.7}
.nav-toggle{
  display:grid;place-items:center;margin-left:auto;width:46px;height:46px;border-radius:12px;
  background:rgba(245,158,11,.10);border:1px solid var(--line);color:var(--gold-2);font-size:1.15rem;line-height:1;
}
.nav-links{display:flex;align-items:center;gap:4px;margin-left:auto;flex-wrap:wrap}
.nav-links a{
  display:inline-block;padding:9px 14px;border-radius:var(--r-full);
  font-size:.87rem;font-weight:600;color:var(--mint);opacity:.85;
  border:1px solid transparent;transition:all .25s ease;
}
.nav-links a:hover{color:#fff;background:rgba(245,158,11,.10);border-color:var(--line);opacity:1}
.nav-links a.is-active{color:#08251A;background:var(--grad-gold);opacity:1;font-weight:700}
.nav-cta{
  display:inline-flex;align-items:center;gap:8px;
  padding:11px 18px;border-radius:var(--r-full);
  background:var(--grad-gold);color:#08251A;font-weight:700;font-size:.82rem;
  box-shadow:var(--sh-gold);border:0;white-space:nowrap;
  transition:transform .25s ease,box-shadow .25s ease;
}
.nav-cta:hover{transform:translateY(-2px);box-shadow:0 16px 36px rgba(245,158,11,.4);color:#08251A}
.nav-cta:active{transform:translateY(0)}

/* ============ BUTTONS ============ */
.btn{
  display:inline-flex;align-items:center;justify-content:center;gap:9px;
  padding:13px 26px;border-radius:var(--r-full);border:1px solid transparent;
  font-weight:700;font-size:.92rem;letter-spacing:.01em;text-align:center;
  transition:transform .25s ease,box-shadow .25s ease,background .25s ease,border-color .25s ease,color .25s ease;
}
.btn-gold{background:var(--grad-gold);color:#08251A;box-shadow:var(--sh-gold)}
.btn-gold:hover{transform:translateY(-3px);box-shadow:0 18px 40px rgba(245,158,11,.42);color:#08251A}
.btn-gold:active{transform:translateY(-1px)}
.btn-ghost{background:rgba(245,158,11,.06);border-color:var(--line);color:var(--gold-2)}
.btn-ghost:hover{background:rgba(245,158,11,.16);border-color:var(--gold);color:#fff;transform:translateY(-3px)}
.btn-line{background:transparent;border-color:var(--line-soft);color:var(--mint)}
.btn-line:hover{border-color:var(--line);color:#fff;background:rgba(245,158,11,.08)}
.btn-sm{padding:9px 18px;font-size:.82rem}
.btn-block{width:100%}

/* ============ CHIPS / BADGES ============ */
.chip{
  display:inline-flex;align-items:center;gap:7px;
  padding:6px 13px;border-radius:var(--r-full);
  background:rgba(209,250,229,.06);border:1px solid var(--line-soft);
  color:var(--mint);font-size:.76rem;font-weight:600;
}
.chip--gold{background:rgba(245,158,11,.14);border-color:var(--line);color:var(--gold-2)}
.chip--red{background:rgba(220,38,38,.16);border-color:rgba(220,38,38,.4);color:#FCA5A5}
.tag{
  position:absolute;top:14px;right:14px;z-index:2;
  padding:4px 11px;border-radius:var(--r-full);
  background:linear-gradient(135deg,#B91C1C,#DC2626);color:#fff;
  font-size:.64rem;font-weight:800;letter-spacing:.12em;text-transform:uppercase;
  box-shadow:0 6px 16px rgba(220,38,38,.36);
}
.pay-row{display:flex;flex-wrap:wrap;gap:8px;margin-top:14px}
.pay-chip{
  padding:6px 12px;border-radius:var(--r-xs);
  background:rgba(5,31,20,.7);border:1px solid var(--line);
  color:var(--gold-2);font-size:.73rem;font-weight:700;
}

/* ============ HERO ============ */
.hero{position:relative;overflow:hidden;padding:0;border-bottom:1px solid var(--line)}
.hero-bg{
  position:absolute;inset:0;background-size:cover;background-position:center;
  opacity:.30;filter:saturate(.9);
}
.hero-inner{
  position:relative;z-index:2;
  display:grid;grid-template-columns:1.15fr .85fr;gap:46px;align-items:start;
  padding-top:70px;padding-bottom:56px;
}
.hero h1{font-size:clamp(1.72rem,3.5vw,2.7rem);font-weight:800;letter-spacing:-.02em;margin-bottom:16px}
.hero h1 span{color:var(--gold-2)}
.hero-copy p{max-width:620px;color:var(--mint);opacity:.9}
.hero-actions{display:flex;flex-wrap:wrap;gap:12px;margin:24px 0 20px}
.hero-tags{display:flex;flex-wrap:wrap;gap:8px}
.spec-panel{
  background:var(--grad-panel);
  border:1px solid var(--line);border-radius:var(--r-lg);
  padding:26px 24px;box-shadow:var(--sh);
}
.spec-title{
  font-size:.78rem;font-weight:800;letter-spacing:.16em;text-transform:uppercase;
  color:var(--gold-2);margin-bottom:16px;
}
.spec-list li{
  display:flex;align-items:center;justify-content:space-between;gap:14px;
  padding:11px 0;border-bottom:1px dashed rgba(209,250,229,.14);
  font-size:.88rem;
}
.spec-list li:last-child{border-bottom:0}
.spec-list span{color:var(--mint);opacity:.82}
.spec-list b{color:#fff;font-weight:700;white-space:nowrap}
.spec-note{
  margin-top:16px;padding:12px 14px;border-radius:var(--r-sm);
  background:rgba(245,158,11,.10);border:1px solid var(--line);
  font-size:.8rem;color:var(--gold-2);
}
.metric-strip{
  position:relative;z-index:3;
  display:grid;grid-template-columns:repeat(4,1fr);gap:0;
  background:var(--panel-2);border-top:1px solid var(--line);
}
.metric-strip div{
  padding:20px 22px;border-right:1px solid rgba(209,250,229,.10);
}
.metric-strip div:last-child{border-right:0}
.metric-strip b{display:block;font-size:1.32rem;font-weight:800;color:var(--gold-2);line-height:1.2}
.metric-strip small{font-size:.76rem;color:var(--mint);opacity:.75}

/* ============ STAT GRID ============ */
.stat{
  background:var(--grad-panel);border:1px solid var(--line-soft);border-radius:var(--r);
  padding:24px 22px;transition:transform .25s ease,border-color .25s ease,box-shadow .25s ease;
}
.stat:hover{transform:translateY(-4px);border-color:var(--line);box-shadow:var(--sh)}
.stat i{font-size:1.25rem;color:var(--gold);margin-bottom:12px;display:block}
.stat b{display:block;font-size:1.65rem;font-weight:800;color:#fff;line-height:1.15}
.stat span{display:block;margin-top:6px;font-size:.84rem;color:var(--mint);opacity:.8}
.data-foot{
  margin-top:26px;padding:16px 20px;border-radius:var(--r-sm);
  background:rgba(11,46,30,.65);border-left:3px solid var(--gold);
  font-size:.85rem;color:var(--mint);opacity:.88;
}

/* ============ MATRIX CARDS ============ */
.matrix-card{
  position:relative;overflow:hidden;
  background:var(--grad-panel);border:1px solid var(--line-soft);border-radius:var(--r-lg);
  padding:26px 24px;
  transition:transform .28s ease,border-color .28s ease,box-shadow .28s ease;
}
.matrix-card::after{
  content:"";position:absolute;inset:0;border-radius:inherit;pointer-events:none;
  background:radial-gradient(320px 140px at 100% 0%,rgba(245,158,11,.16),transparent 70%);
  opacity:0;transition:opacity .3s ease;
}
.matrix-card:hover{transform:translateY(-5px);border-color:var(--line);box-shadow:var(--sh)}
.matrix-card:hover::after{opacity:1}
.matrix-card h3{font-size:1.05rem;font-weight:700;color:#fff}
.matrix-card p{font-size:.88rem;color:var(--mint);opacity:.82;margin-bottom:14px}
.matrix-card .chip{align-self:flex-start;margin-top:auto}

/* ============ DATA TABLE ============ */
.table-wrap{
  border:1px solid var(--line-soft);border-radius:var(--r);overflow:hidden;
  background:rgba(5,31,20,.55);
}
table.data-table{width:100%;border-collapse:collapse;margin:0}
table.data-table th,table.data-table td{
  padding:14px 16px;text-align:left;font-size:.87rem;
  border-bottom:1px solid rgba(209,250,229,.10);
}
table.data-table thead th{
  background:rgba(245,158,11,.12);color:var(--gold-2);
  font-size:.74rem;font-weight:800;letter-spacing:.1em;text-transform:uppercase;
}
table.data-table tbody tr:last-child td{border-bottom:0}
table.data-table tbody tr:hover{background:rgba(245,158,11,.06)}
table.data-table td b{color:#fff}
.risk-low{color:#6EE7B7;font-weight:700}
.risk-mid{color:var(--gold-2);font-weight:700}
.risk-high{color:#FCA5A5;font-weight:700}

/* ============ COMPARE PANEL ============ */
.compare{
  background:var(--grad-panel);border:1px solid var(--line);border-radius:var(--r-lg);
  padding:28px 26px;box-shadow:var(--sh-sm);
}
.compare-row{
  display:grid;grid-template-columns:1.4fr .8fr .8fr;gap:12px;
  padding:12px 0;border-bottom:1px dashed rgba(209,250,229,.14);
  font-size:.86rem;align-items:center;
}
.compare-row:last-of-type{border-bottom:0}
.compare-row.head{
  font-size:.72rem;font-weight:800;letter-spacing:.1em;text-transform:uppercase;
  color:var(--muted);
}
.compare-row span{color:var(--mint);opacity:.85}
.compare-row b{color:#fff;font-weight:700}
.compare-row b.win{color:#6EE7B7}

/* ============ TIMELINE ============ */
.timeline{display:grid;gap:14px}
.step{
  display:grid;grid-template-columns:104px 1fr;gap:20px;align-items:start;
  background:rgba(11,46,30,.55);border:1px solid var(--line-soft);
  border-radius:var(--r);padding:20px 22px;
  transition:border-color .25s ease,transform .25s ease,background .25s ease;
}
.step:hover{border-color:var(--line);transform:translateX(4px);background:rgba(11,46,30,.8)}
.step-time{
  font-weight:800;font-size:1rem;color:var(--gold-2);
  padding:6px 0;border-right:1px solid var(--line);letter-spacing:.02em;
}
.step h3{font-size:1rem;margin-bottom:6px;color:#fff}
.step p{margin:0;font-size:.87rem;color:var(--mint);opacity:.82}

/* ============ LOG CARDS ============ */
.log-card{
  overflow:hidden;background:var(--grad-panel);
  border:1px solid var(--line-soft);border-radius:var(--r-lg);
  transition:transform .28s ease,border-color .28s ease,box-shadow .28s ease;
}
.log-card:hover{transform:translateY(-5px);border-color:var(--line);box-shadow:var(--sh)}
.log-card img{width:100%;height:180px;object-fit:cover;opacity:.92}
.log-body{padding:20px 22px 24px}
.log-body h3{font-size:1rem;color:#fff;margin-bottom:8px}
.log-body p{font-size:.86rem;color:var(--mint);opacity:.82;margin-bottom:12px}
.log-body .chip{margin-top:auto}

/* ============ CATEGORY CARDS ============ */
.cat-card{
  overflow:hidden;background:rgba(5,31,20,.72);
  border:1px solid var(--line-soft);border-radius:var(--r-lg);
  transition:transform .28s ease,border-color .28s ease,box-shadow .28s ease;
}
.cat-card:hover{transform:translateY(-6px);border-color:var(--gold);box-shadow:var(--sh-gold)}
.cat-card img{width:100%;height:150px;object-fit:cover;opacity:.88}
.cat-body{padding:22px}
.cat-body h3{font-size:1.02rem;color:var(--gold-2);margin-bottom:8px}
.cat-body p{font-size:.86rem;color:var(--mint);opacity:.82}
.cat-link{
  display:inline-flex;align-items:center;gap:8px;
  font-size:.84rem;font-weight:700;color:var(--gold-2);
}
.cat-link:hover{color:#fff;gap:12px}

/* ============ POST CARDS (CMS) ============ */
.post-card{
  background:var(--grad-panel);border:1px solid var(--line-soft);border-radius:var(--r);
  padding:22px;display:flex;flex-direction:column;gap:10px;
  transition:transform .25s ease,border-color .25s ease,box-shadow .25s ease;
}
.post-card:hover{transform:translateY(-4px);border-color:var(--line);box-shadow:var(--sh-sm)}
.post-card h3{font-size:.98rem;font-weight:700;color:#fff;margin:0}
.post-card h3 a:hover{color:var(--gold-2)}
.post-meta{display:flex;flex-wrap:wrap;gap:10px;font-size:.74rem;color:var(--slate)}
.post-meta .post-cat{
  padding:3px 10px;border-radius:var(--r-full);
  background:rgba(245,158,11,.12);border:1px solid var(--line);color:var(--gold-2);font-weight:700;
}
.post-card p{font-size:.85rem;color:var(--mint);opacity:.8;margin:0}
.empty-note{
  padding:22px;border-radius:var(--r);border:1px dashed var(--line);
  background:rgba(11,46,30,.5);color:var(--mint);opacity:.85;font-size:.9rem;
}
.list-more{margin-top:28px;display:flex;justify-content:flex-start}

/* ============ GUARANTEES ============ */
.g-card{
  background:rgba(5,31,20,.6);border:1px solid var(--line-soft);border-radius:var(--r);
  padding:22px;transition:border-color .25s ease,transform .25s ease;
}
.g-card:hover{border-color:var(--line);transform:translateY(-4px)}
.g-card i{color:var(--gold);font-size:1.2rem;margin-bottom:10px;display:block}
.g-card h3{font-size:.98rem;color:#fff;margin-bottom:6px}
.g-card p{font-size:.85rem;color:var(--mint);opacity:.8;margin:0}
.guarantee-visual{
  border-radius:var(--r-lg);overflow:hidden;border:1px solid var(--line);
  box-shadow:var(--sh);
}
.guarantee-visual img{width:100%;height:100%;min-height:280px;object-fit:cover}

/* ============ FAQ + FORM ============ */
.faq-list{display:grid;gap:12px}
.faq-item{
  border:1px solid var(--line-soft);border-radius:var(--r);
  background:rgba(11,46,30,.55);overflow:hidden;transition:border-color .25s ease;
}
.faq-item[open]{border-color:var(--line);background:rgba(11,46,30,.82)}
.faq-item summary{
  list-style:none;cursor:pointer;padding:18px 22px;
  font-weight:700;font-size:.94rem;color:#fff;
  display:flex;align-items:center;justify-content:space-between;gap:14px;
}
.faq-item summary::-webkit-details-marker{display:none}
.faq-item summary::after{
  content:"\f067";font-family:"Font Awesome 6 Free";font-weight:900;
  color:var(--gold);font-size:.8rem;transition:transform .25s ease;
}
.faq-item[open] summary::after{transform:rotate(45deg)}
.faq-item p{padding:0 22px 20px;margin:0;font-size:.88rem;color:var(--mint);opacity:.85}
.lead-form{
  background:var(--grad-panel);border:1px solid var(--line);border-radius:var(--r-lg);
  padding:28px 26px;box-shadow:var(--sh);
}
.lead-form h3{font-size:1.15rem;color:#fff;margin-bottom:8px}
.lead-form > p{font-size:.86rem;color:var(--mint);opacity:.82}
.field{margin-bottom:14px}
.field label{display:block;font-size:.78rem;font-weight:700;letter-spacing:.06em;text-transform:uppercase;color:var(--gold-2);margin-bottom:7px}
.field input,.field select,.field textarea{
  width:100%;padding:12px 14px;border-radius:var(--r-sm);
  background:rgba(5,31,20,.85);border:1px solid var(--line-soft);color:var(--ink);
  transition:border-color .25s ease,box-shadow .25s ease;
}
.field input::placeholder,.field textarea::placeholder{color:rgba(148,163,184,.7)}
.field input:focus,.field select:focus,.field textarea:focus{
  outline:none;border-color:var(--gold);box-shadow:0 0 0 3px rgba(245,158,11,.18);
}
.form-note{font-size:.78rem;color:var(--slate);margin-top:12px}

/* ============ FOOTER ============ */
.site-footer{
  background:linear-gradient(180deg,rgba(5,31,20,.6) 0%,rgba(3,20,13,.96) 100%);
  border-top:1px solid var(--line);padding:62px 0 26px;margin-top:20px;
}
.footer-grid{display:grid;grid-template-columns:1.6fr 1fr 1fr 1.15fr;gap:34px}
.footer-brand{display:flex;align-items:center;gap:10px;margin-bottom:14px}
.footer-brand b{font-size:.94rem;color:var(--gold-2);font-weight:800}
.site-footer p{font-size:.85rem;color:var(--mint);opacity:.72;max-width:420px}
.footer-col h4{
  font-size:.76rem;font-weight:800;letter-spacing:.14em;text-transform:uppercase;
  color:var(--gold-2);margin-bottom:14px;
}
.footer-col ul li{margin-bottom:9px}
.footer-col ul li a{font-size:.85rem;color:var(--mint);opacity:.78}
.footer-col ul li a:hover{color:var(--gold-2);opacity:1}
.footer-bottom{
  margin-top:40px;padding-top:20px;border-top:1px solid rgba(209,250,229,.12);
  display:flex;justify-content:space-between;align-items:center;gap:14px;flex-wrap:wrap;
  font-size:.78rem;color:var(--slate);
}
.age-badge{
  display:inline-flex;align-items:center;gap:7px;
  padding:6px 13px;border-radius:var(--r-full);
  border:1px solid var(--line);color:var(--gold-2);font-weight:700;
}

/* ============ FAB ============ */
.fab{
  position:fixed;left:16px;bottom:96px;z-index:150;
  width:56px;height:56px;border-radius:50%;
  display:grid;place-items:center;
  background:radial-gradient(circle at 32% 28%,#1B1B1F 0%,#0B0C0E 70%);
  border:2px solid var(--gold);
  color:var(--gold-2);font-size:1.25rem;
  box-shadow:0 6px 25px rgba(245,158,11,.35);
  opacity:.85;
  animation:fabFloat 3.4s ease-in-out infinite;
  transition:transform .28s ease,opacity .28s ease,box-shadow .28s ease;
}
.fab:hover{opacity:1;transform:scale(1.1);box-shadow:0 10px 34px rgba(245,158,11,.5)}
.fab:hover i{transform:rotate(360deg)}
.fab i{transition:transform .6s ease}
.fab:active{transform:scale(.95) translateY(3px)}
.fab::after{
  content:"";position:absolute;top:2px;right:2px;width:13px;height:13px;border-radius:50%;
  background:#DC2626;box-shadow:0 0 0 2px rgba(248,250,252,.9);
}
@keyframes fabFloat{0%,100%{transform:translateY(0)}50%{transform:translateY(-6px)}}

/* ============ RESPONSIVE ============ */
@media screen and (max-width:1024px){
  .hero-inner{grid-template-columns:1fr;gap:34px}
  .footer-grid{grid-template-columns:1fr 1fr;gap:28px}
  .metric-strip{grid-template-columns:repeat(2,1fr)}
  .metric-strip div:nth-child(2){border-right:0}
  .metric-strip div:nth-child(1),.metric-strip div:nth-child(2){border-bottom:1px solid rgba(209,250,229,.10)}
}
@media screen and (max-width:768px){
  .section{padding:56px 0}
  .nav-links{
    order:3;width:100%;margin:12px 0 4px;flex-direction:column;align-items:stretch;gap:6px;
    max-height:0;overflow:hidden;transition:max-height .35s ease,padding .35s ease;
  }
  .nav-links.is-open{max-height:460px;padding-bottom:6px}
  .nav-links a{padding:12px 14px;border-radius:var(--r-sm);background:rgba(11,46,30,.6);border-color:var(--line-soft)}
  .nav-cta{order:2;margin-left:auto}
  .compare-row{grid-template-columns:1fr;gap:4px;padding:14px 0}
  .compare-row.head{display:none}
  .compare-row span::before{content:"Cảm tính: ";color:var(--muted)}
  .step{grid-template-columns:1fr;gap:10px}
  .step-time{border-right:0;border-bottom:1px solid var(--line);padding-bottom:8px}
  table.data-table th,table.data-table td{padding:11px 12px;font-size:.82rem}
}
@media screen and (max-width:520px){
  .main-container{padding-left:16px;padding-right:16px}
  .brand{max-width:178px}
  .brand-text b{font-size:.75rem}
  .metric-strip{grid-template-columns:1fr}
  .metric-strip div{border-right:0;border-bottom:1px solid rgba(209,250,229,.10)}
  .hero-actions .btn{width:100%}
  .footer-grid{grid-template-columns:1fr}
  .log-card img{height:150px}
  .fab{left:14px;bottom:88px}
}