/* roulang page: index */
:root{
  --bg-0:#030712;
  --bg-1:#081229;
  --bg-2:#0d1c3a;
  --glass:rgba(15,28,56,.55);
  --glass-2:rgba(15,28,56,.78);
  --line:rgba(56,189,248,.18);
  --line-strong:rgba(56,189,248,.42);
  --blue:#2563eb;
  --cyan:#38bdf8;
  --cyan-soft:#60a5fa;
  --gold:#facc15;
  --green:#34d399;
  --red:#f43f5e;
  --txt:#f8fafc;
  --txt-2:#cbd5e1;
  --txt-3:#94a3b8;
  --radius-s:10px;
  --radius-m:16px;
  --radius-l:24px;
  --radius-xl:32px;
  --shadow-s:0 6px 18px rgba(2,10,30,.45);
  --shadow-m:0 14px 38px rgba(2,10,30,.55);
  --shadow-glow:0 0 26px rgba(56,189,248,.35);
  --sp-1:8px;--sp-2:16px;--sp-3:24px;--sp-4:36px;--sp-5:56px;--sp-6:80px;
}
*{box-sizing:border-box;}
html{scroll-behavior:smooth;}
body{
  margin:0;
  font-family:"Segoe UI",Roboto,"Helvetica Neue",Arial,"Noto Sans",sans-serif;
  background:
    radial-gradient(1200px 600px at 15% -10%, rgba(37,99,235,.28), transparent 60%),
    radial-gradient(900px 500px at 95% 5%, rgba(56,189,248,.18), transparent 60%),
    linear-gradient(180deg,var(--bg-0),var(--bg-1) 55%,#050b1c);
  color:var(--txt);
  line-height:1.65;
  -webkit-font-smoothing:antialiased;
  overflow-x:hidden;
}
img{max-width:100%;display:block;}
a{color:var(--cyan-soft);text-decoration:none;transition:.22s ease;}
a:hover{color:#fff;}
ul{margin:0;padding:0;list-style:none;}
h1,h2,h3,h4{line-height:1.25;margin:0;font-weight:800;letter-spacing:-.01em;}
p{margin:0;}
.container{width:min(1200px,92%);margin-inline:auto;}
.section{padding:var(--sp-6) 0;position:relative;}
.section--tight{padding:var(--sp-5) 0;}
.section--alt{background:linear-gradient(180deg,rgba(9,20,44,.72),rgba(4,10,26,.2));border-top:1px solid var(--line);border-bottom:1px solid var(--line);}
.eyebrow{
  display:inline-flex;align-items:center;gap:8px;
  font-size:12px;font-weight:700;letter-spacing:.14em;text-transform:uppercase;
  color:var(--cyan);
  background:rgba(56,189,248,.1);
  border:1px solid var(--line-strong);
  padding:6px 14px;border-radius:999px;margin-bottom:var(--sp-2);
}
.sec-head{max-width:820px;margin-bottom:var(--sp-4);}
.sec-head h2{font-size:clamp(24px,3.2vw,38px);}
.sec-head p{color:var(--txt-3);margin-top:14px;font-size:16px;}
.sec-head--left{text-align:left;}
.text-gold{color:var(--gold);}
.text-cyan{color:var(--cyan);}
.glass{
  background:var(--glass);
  border:1px solid var(--line);
  border-radius:var(--radius-m);
  backdrop-filter:blur(14px);
  -webkit-backdrop-filter:blur(14px);
}
.btn-cf{
  display:inline-flex;align-items:center;gap:10px;justify-content:center;
  font-weight:700;font-size:15px;padding:14px 28px;border-radius:999px;
  border:1px solid transparent;cursor:pointer;transition:.25s ease;white-space:nowrap;
}
.btn-cf--primary{
  background:linear-gradient(120deg,var(--blue),var(--cyan));
  color:#02101f;
  box-shadow:0 0 22px rgba(56,189,248,.45);
}
.btn-cf--primary:hover{transform:translateY(-2px);box-shadow:0 0 34px rgba(56,189,248,.72);color:#02101f;}
.btn-cf--ghost{
  background:rgba(56,189,248,.06);
  border-color:var(--line-strong);
  color:var(--txt);
}
.btn-cf--ghost:hover{background:rgba(56,189,248,.16);border-color:var(--cyan);transform:translateY(-2px);}
.btn-cf--gold{
  background:linear-gradient(120deg,#f59e0b,#facc15);
  color:#241500;box-shadow:0 0 20px rgba(250,204,21,.35);
}
.btn-cf--gold:hover{transform:translateY(-2px);box-shadow:0 0 30px rgba(250,204,21,.6);color:#241500;}
:focus-visible{outline:2px solid var(--cyan);outline-offset:3px;border-radius:6px;}

/* HEADER */
.site-header{
  position:sticky;top:0;z-index:1000;
  background:rgba(4,10,26,.82);
  backdrop-filter:blur(16px);
  -webkit-backdrop-filter:blur(16px);
  border-bottom:1px solid var(--line);
}
.nav-wrap{display:flex;align-items:center;gap:var(--sp-3);padding:12px 0;}
.brand{display:flex;align-items:center;gap:12px;min-width:0;flex:0 1 auto;}
.brand img{width:46px;height:46px;border-radius:12px;object-fit:cover;border:1px solid var(--line-strong);box-shadow:var(--shadow-glow);}
.brand-txt{display:flex;flex-direction:column;min-width:0;}
.brand-txt strong{font-size:14px;color:#fff;line-height:1.2;white-space:nowrap;overflow:hidden;text-overflow:ellipsis;max-width:260px;}
.brand-txt span{font-size:11px;color:var(--cyan);letter-spacing:.1em;text-transform:uppercase;}
.main-nav{margin-left:auto;display:flex;align-items:center;gap:6px;}
.main-nav a{
  font-size:14px;font-weight:600;color:var(--txt-2);
  padding:9px 14px;border-radius:999px;transition:.2s ease;
}
.main-nav a:hover{color:#fff;background:rgba(56,189,248,.12);}
.main-nav a.active{color:#02101f;background:linear-gradient(120deg,var(--blue),var(--cyan));}
.nav-cta{display:flex;align-items:center;gap:10px;margin-left:10px;}
.nav-cta .login{font-size:14px;font-weight:600;color:var(--txt-2);padding:9px 12px;border-radius:999px;border:1px solid transparent;}
.nav-cta .login:hover{color:var(--cyan);border-color:var(--line-strong);}
.nav-cta .signup{
  font-size:14px;font-weight:800;color:#02101f;padding:11px 22px;border-radius:999px;
  background:linear-gradient(120deg,var(--blue),var(--cyan));
  box-shadow:0 0 18px rgba(56,189,248,.4);
}
.nav-cta .signup:hover{transform:translateY(-2px);box-shadow:0 0 28px rgba(56,189,248,.7);color:#02101f;}
.nav-toggle{
  display:none;background:rgba(56,189,248,.1);border:1px solid var(--line-strong);
  color:var(--cyan);width:44px;height:44px;border-radius:12px;font-size:18px;cursor:pointer;
}
.mobile-nav{display:none;padding:10px 0 18px;border-top:1px solid var(--line);}
.mobile-nav a{display:block;padding:12px 6px;font-size:15px;font-weight:600;color:var(--txt-2);border-bottom:1px dashed rgba(56,189,248,.14);}
.mobile-nav a.active{color:var(--cyan);}
.mobile-nav .m-cta{display:flex;gap:10px;margin-top:14px;}
.mobile-nav .m-cta a{flex:1;text-align:center;border-bottom:none;border-radius:999px;padding:13px;}
.mobile-nav .m-login{border:1px solid var(--line-strong);}
.mobile-nav .m-signup{background:linear-gradient(120deg,var(--blue),var(--cyan));color:#02101f;font-weight:800;}

/* HERO */
.hero{
  position:relative;padding:var(--sp-6) 0 var(--sp-5);
  background:linear-gradient(140deg,rgba(3,7,18,.94),rgba(8,18,41,.86)),url('/assets/images/450aee80ac2ee6cc.jpg') center/cover no-repeat;
  border-bottom:1px solid var(--line);
}
.hero-grid{display:grid;grid-template-columns:1.05fr .95fr;gap:var(--sp-5);align-items:start;}
.hero h1{font-size:clamp(28px,4.2vw,52px);margin-bottom:var(--sp-2);}
.hero h1 .hl{background:linear-gradient(120deg,#60a5fa,#38bdf8);-webkit-background-clip:text;background-clip:text;color:transparent;}
.hero-lead{color:var(--txt-2);font-size:16.5px;max-width:640px;margin-bottom:var(--sp-3);}
.hero-actions{display:flex;flex-wrap:wrap;gap:14px;margin-bottom:var(--sp-4);}
.hero-stats{display:grid;grid-template-columns:repeat(3,1fr);gap:14px;max-width:560px;}
.stat{padding:14px 16px;border-radius:var(--radius-s);background:rgba(56,189,248,.07);border:1px solid var(--line);}
.stat b{display:block;font-size:20px;color:var(--cyan);}
.stat span{font-size:12.5px;color:var(--txt-3);}

/* HERO FORM PANEL */
.quiz-panel{
  padding:var(--sp-3);border-radius:var(--radius-l);
  background:var(--glass-2);border:1px solid var(--line-strong);
  box-shadow:var(--shadow-m);backdrop-filter:blur(18px);-webkit-backdrop-filter:blur(18px);
}
.quiz-panel h3{font-size:19px;margin-bottom:6px;}
.quiz-panel .quiz-sub{font-size:13.5px;color:var(--txt-3);margin-bottom:var(--sp-2);}
.step-dots{display:flex;gap:8px;margin-bottom:var(--sp-2);}
.step-dots i{width:34px;height:5px;border-radius:99px;background:rgba(148,163,184,.28);}
.step-dots i.on{background:linear-gradient(90deg,var(--blue),var(--cyan));box-shadow:0 0 12px rgba(56,189,248,.6);}
.quiz-q{font-size:14px;font-weight:700;margin:14px 0 10px;color:var(--txt);}
.quiz-opts{display:grid;grid-template-columns:1fr 1fr;gap:10px;}
.quiz-opt{
  display:flex;align-items:center;gap:10px;
  padding:12px 14px;border-radius:12px;cursor:pointer;font-size:13.5px;color:var(--txt-2);
  background:rgba(9,20,44,.7);border:1px solid var(--line);transition:.22s ease;
}
.quiz-opt:hover{border-color:var(--cyan);color:#fff;transform:translateY(-2px);}
.quiz-opt input{accent-color:#38bdf8;}
.quiz-result{
  margin-top:var(--sp-2);padding:14px;border-radius:12px;
  background:rgba(52,211,153,.1);border:1px dashed rgba(52,211,153,.45);
  font-size:13.5px;color:#d1fae5;display:none;
}
.quiz-result.show{display:block;}
.quiz-panel .btn-cf{width:100%;margin-top:var(--sp-2);}

/* GRIDS */
.grid-2{display:grid;grid-template-columns:repeat(2,1fr);gap:var(--sp-3);}
.grid-3{display:grid;grid-template-columns:repeat(3,1fr);gap:var(--sp-3);}
.grid-4{display:grid;grid-template-columns:repeat(4,1fr);gap:var(--sp-2);}

/* PAIN LIST */
.pain-item{display:flex;gap:16px;padding:18px;border-radius:var(--radius-m);background:rgba(244,63,94,.06);border:1px solid rgba(244,63,94,.24);}
.pain-item .num{
  flex:0 0 40px;height:40px;border-radius:12px;display:grid;place-items:center;
  font-weight:800;color:#fff;background:linear-gradient(135deg,#f43f5e,#b91c1c);
}
.pain-item h3{font-size:16.5px;margin-bottom:6px;}
.pain-item p{font-size:14px;color:var(--txt-3);}
.solve-line{margin-top:10px;font-size:13.5px;color:var(--green);display:flex;gap:8px;align-items:flex-start;}

/* FEATURE / SERVICE CARDS */
.feature-card{
  padding:var(--sp-3);border-radius:var(--radius-m);height:100%;
  background:linear-gradient(160deg,rgba(15,28,56,.85),rgba(5,12,30,.65));
  border:1px solid var(--line);transition:.28s ease;
}
.feature-card:hover{transform:translateY(-6px);border-color:var(--line-strong);box-shadow:var(--shadow-glow);}
.feature-card .ic{
  width:50px;height:50px;border-radius:14px;display:grid;place-items:center;margin-bottom:16px;
  font-size:20px;color:#02101f;background:linear-gradient(135deg,#60a5fa,#38bdf8);box-shadow:0 0 18px rgba(56,189,248,.4);
}
.feature-card h3{font-size:17px;margin-bottom:8px;}
.feature-card p{font-size:14px;color:var(--txt-3);}
.tag-row{display:flex;flex-wrap:wrap;gap:8px;margin-top:14px;}
.tag{font-size:11.5px;font-weight:700;letter-spacing:.05em;text-transform:uppercase;padding:5px 11px;border-radius:999px;color:var(--cyan);background:rgba(56,189,248,.1);border:1px solid var(--line);}
.tag.gold{color:var(--gold);background:rgba(250,204,21,.1);border-color:rgba(250,204,21,.32);}
.tag.red{color:#fda4af;background:rgba(244,63,94,.12);border-color:rgba(244,63,94,.34);}

/* SCENARIO / DEMO */
.demo-wrap{display:grid;grid-template-columns:1.1fr .9fr;gap:var(--sp-4);align-items:center;}
.demo-img{border-radius:var(--radius-l);overflow:hidden;border:1px solid var(--line-strong);box-shadow:var(--shadow-m);}
.demo-img img{width:100%;height:100%;object-fit:cover;transition:.5s ease;}
.demo-img:hover img{transform:scale(1.05);}
.demo-steps li{display:flex;gap:14px;padding:14px 0;border-bottom:1px dashed rgba(56,189,248,.16);}
.demo-steps li:last-child{border-bottom:none;}
.demo-steps .n{
  flex:0 0 32px;height:32px;border-radius:50%;display:grid;place-items:center;
  font-size:13px;font-weight:800;color:var(--cyan);background:rgba(56,189,248,.12);border:1px solid var(--line-strong);
}
.demo-steps h4{font-size:15.5px;margin-bottom:4px;}
.demo-steps p{font-size:13.5px;color:var(--txt-3);}

/* GAME GRID */
.game-card{position:relative;border-radius:var(--radius-m);overflow:hidden;border:1px solid var(--line);background:var(--glass);transition:.28s ease;}
.game-card:hover{transform:translateY(-6px);border-color:var(--cyan);box-shadow:var(--shadow-glow);}
.game-card img{width:100%;height:170px;object-fit:cover;}
.game-card .body{padding:16px;}
.game-card h3{font-size:15.5px;margin-bottom:6px;}
.game-card p{font-size:13px;color:var(--txt-3);}
.corner-tag{
  position:absolute;top:12px;left:12px;font-size:10.5px;font-weight:800;letter-spacing:.08em;
  text-transform:uppercase;padding:5px 10px;border-radius:6px;color:#fff;
  background:linear-gradient(135deg,#dc2626,#f43f5e);box-shadow:0 4px 14px rgba(244,63,94,.45);
}
.corner-tag.vip{background:linear-gradient(135deg,#b45309,#facc15);color:#241500;}

/* SOCIAL PROOF */
.proof-band{display:grid;grid-template-columns:repeat(4,1fr);gap:var(--sp-2);}
.proof{padding:20px;border-radius:var(--radius-m);background:rgba(9,20,44,.72);border:1px solid var(--line);text-align:center;}
.proof b{display:block;font-size:24px;color:var(--cyan);}
.proof span{font-size:12.5px;color:var(--txt-3);}
.quote-card{padding:22px;border-radius:var(--radius-m);background:linear-gradient(160deg,rgba(15,28,56,.88),rgba(5,12,30,.6));border:1px solid var(--line);}
.quote-card p{font-size:14.5px;color:var(--txt-2);}
.quote-card .who{display:flex;align-items:center;gap:12px;margin-top:16px;}
.quote-card .who span{font-size:13px;color:var(--txt-3);}
.avatar{width:42px;height:42px;border-radius:50%;object-fit:cover;border:1px solid var(--line-strong);}

/* NEWS / CMS */
.news-layout{display:grid;grid-template-columns:2fr 1fr;gap:var(--sp-3);}
.news-list{display:flex;flex-direction:column;gap:14px;}
.news-item{
  display:grid;grid-template-columns:150px 1fr;gap:16px;padding:14px;border-radius:var(--radius-m);
  background:rgba(9,20,44,.62);border:1px solid var(--line);transition:.25s ease;
}
.news-item:hover{border-color:var(--line-strong);transform:translateX(4px);}
.news-item img{width:100%;height:104px;object-fit:cover;border-radius:10px;}
.news-item h3{font-size:16px;margin-bottom:6px;}
.news-item h3 a{color:#fff;}
.news-item h3 a:hover{color:var(--cyan);}
.news-item p{font-size:13.5px;color:var(--txt-3);}
.meta{display:flex;gap:14px;flex-wrap:wrap;font-size:12px;color:var(--txt-3);margin-top:8px;}
.meta i{color:var(--cyan);}
.side-panel{padding:var(--sp-3);border-radius:var(--radius-m);background:linear-gradient(160deg,rgba(15,28,56,.9),rgba(5,12,30,.65));border:1px solid var(--line);height:fit-content;}
.side-panel h3{font-size:17px;margin-bottom:14px;}
.side-list li{padding:12px 0;border-bottom:1px dashed rgba(56,189,248,.16);}
.side-list li:last-child{border-bottom:none;}
.side-list a{font-size:14px;color:var(--txt-2);font-weight:600;}
.side-list a:hover{color:var(--cyan);}
.side-list .meta{margin-top:4px;}
.empty-note{padding:26px;text-align:center;color:var(--txt-3);font-size:14px;border:1px dashed var(--line-strong);border-radius:var(--radius-m);}

/* PLANS */
.plan{padding:var(--sp-3);border-radius:var(--radius-l);background:rgba(9,20,44,.7);border:1px solid var(--line);height:100%;display:flex;flex-direction:column;transition:.28s ease;}
.plan:hover{transform:translateY(-6px);border-color:var(--line-strong);}
.plan.hot{border-color:rgba(250,204,21,.55);box-shadow:0 0 30px rgba(250,204,21,.22);background:linear-gradient(160deg,rgba(69,26,3,.35),rgba(9,20,44,.8));}
.plan .badge-hot{align-self:flex-start;font-size:11px;font-weight:800;letter-spacing:.08em;text-transform:uppercase;color:#241500;background:linear-gradient(120deg,#f59e0b,#facc15);padding:5px 12px;border-radius:999px;margin-bottom:12px;}
.plan h3{font-size:18px;margin-bottom:6px;}
.plan .price{font-size:26px;font-weight:800;color:var(--gold);margin:10px 0 6px;}
.plan .price small{font-size:13px;color:var(--txt-3);font-weight:600;}
.plan ul{margin:16px 0 var(--sp-3);display:flex;flex-direction:column;gap:10px;}
.plan ul li{font-size:14px;color:var(--txt-2);display:flex;gap:10px;align-items:flex-start;}
.plan ul li i{color:var(--green);margin-top:3px;}
.plan .btn-cf{margin-top:auto;}

/* COMPARE TABLE */
.cmp-table{width:100%;border-collapse:separate;border-spacing:0;border-radius:var(--radius-m);overflow:hidden;border:1px solid var(--line);}
.cmp-table th,.cmp-table td{padding:14px 16px;font-size:14px;text-align:left;border-bottom:1px solid rgba(56,189,248,.12);}
.cmp-table thead th{background:rgba(37,99,235,.22);color:#fff;font-size:13px;letter-spacing:.04em;text-transform:uppercase;}
.cmp-table tbody tr:last-child td{border-bottom:none;}
.cmp-table tbody tr:nth-child(even){background:rgba(9,20,44,.5);}
.cmp-table td.good{color:var(--green);font-weight:700;}
.cmp-table td.bad{color:#fda4af;}

/* ASSURANCE BAR */
.assure{display:grid;grid-template-columns:repeat(5,1fr);gap:12px;}
.assure div{
  display:flex;align-items:center;gap:10px;padding:14px;border-radius:12px;
  background:rgba(56,189,248,.07);border:1px solid var(--line);font-size:13.5px;color:var(--txt-2);font-weight:600;
}
.assure i{color:var(--cyan);font-size:17px;}

/* COURSE-LIKE PROGRESS / TASKS */
.task-progress{padding:var(--sp-3);border-radius:var(--radius-l);background:linear-gradient(160deg,rgba(15,28,56,.88),rgba(5,12,30,.6));border:1px solid var(--line);}
.progress-track{height:10px;border-radius:99px;background:rgba(148,163,184,.2);overflow:hidden;margin:14px 0 20px;}
.progress-fill{height:100%;width:72%;border-radius:99px;background:linear-gradient(90deg,var(--blue),var(--cyan));box-shadow:0 0 16px rgba(56,189,248,.6);}
.task-list li{display:flex;gap:12px;align-items:flex-start;padding:10px 0;font-size:14px;color:var(--txt-2);}
.task-list i.done{color:var(--green);}
.task-list i.todo{color:var(--txt-3);}

/* CONTRIBUTORS */
.contrib{padding:16px;border-radius:var(--radius-m);background:rgba(9,20,44,.66);border:1px solid var(--line);display:flex;align-items:center;gap:14px;}
.contrib b{font-size:14.5px;display:block;}
.contrib span{font-size:12.5px;color:var(--txt-3);}
.contrib .rank{
  margin-left:auto;font-size:12px;font-weight:800;color:var(--cyan);
  background:rgba(56,189,248,.12);border:1px solid var(--line-strong);padding:5px 10px;border-radius:999px;
}

/* COUPON WALL */
.coupon{
  position:relative;padding:20px;border-radius:var(--radius-m);
  background:linear-gradient(160deg,rgba(37,99,235,.28),rgba(9,20,44,.75));
  border:1px dashed var(--line-strong);text-align:center;
}
.coupon b{display:block;font-size:26px;color:var(--gold);}
.coupon span{font-size:12.5px;color:var(--txt-3);display:block;margin:6px 0 12px;}
.coupon .btn-cf{font-size:13px;padding:10px 18px;}

/* FAQ */
.faq-item{padding:20px;border-radius:var(--radius-m);background:rgba(9,20,44,.62);border:1px solid var(--line);margin-bottom:12px;}
.faq-item h3{font-size:16px;margin-bottom:8px;color:#fff;}
.faq-item p{font-size:14px;color:var(--txt-3);}

/* CTA FORM */
.cta-wrap{
  padding:var(--sp-4);border-radius:var(--radius-xl);
  background:linear-gradient(135deg,rgba(37,99,235,.28),rgba(56,189,248,.12)),rgba(9,20,44,.8);
  border:1px solid var(--line-strong);box-shadow:var(--shadow-m);
}
.cta-grid{display:grid;grid-template-columns:1fr 1fr;gap:var(--sp-4);align-items:center;}
.form-field{margin-bottom:14px;}
.form-field label{display:block;font-size:13px;color:var(--txt-2);margin-bottom:6px;font-weight:600;}
.form-field input,.form-field select{
  width:100%;padding:13px 16px;border-radius:12px;font-size:14px;color:#fff;
  background:rgba(3,7,18,.7);border:1px solid var(--line-strong);transition:.2s ease;
}
.form-field input:focus,.form-field select:focus{outline:none;border-color:var(--cyan);box-shadow:0 0 0 3px rgba(56,189,248,.18);}
.form-note{font-size:12px;color:var(--txt-3);margin-top:10px;}
.form-msg{margin-top:12px;font-size:13.5px;color:var(--green);display:none;}
.form-msg.show{display:block;}

/* CHECKLIST SIMPLE */
.check-list li{display:flex;gap:12px;align-items:flex-start;font-size:14.5px;color:var(--txt-2);padding:9px 0;}
.check-list i{color:var(--cyan);margin-top:4px;}

/* FOOTER */
.site-footer{
  background:linear-gradient(180deg,rgba(4,10,26,.9),#02060f);
  border-top:1px solid var(--line);padding:var(--sp-5) 0 var(--sp-3);margin-top:var(--sp-5);
}
.footer-grid{display:grid;grid-template-columns:1.4fr 1fr 1fr 1fr;gap:var(--sp-3);}
.footer-grid h4{font-size:15px;margin-bottom:16px;color:#fff;}
.footer-grid p,.footer-grid li{font-size:13.5px;color:var(--txt-3);}
.footer-grid li{margin-bottom:10px;}
.footer-grid a{color:var(--txt-3);}
.footer-grid a:hover{color:var(--cyan);}
.footer-brand{display:flex;align-items:center;gap:12px;margin-bottom:16px;}
.footer-brand img{width:44px;height:44px;border-radius:12px;border:1px solid var(--line-strong);}
.footer-bottom{
  margin-top:var(--sp-4);padding-top:var(--sp-3);border-top:1px solid var(--line);
  display:flex;flex-wrap:wrap;gap:12px;justify-content:space-between;align-items:center;
  font-size:12.5px;color:var(--txt-3);
}
.responsible{display:inline-flex;align-items:center;gap:8px;font-size:12px;font-weight:700;color:#fda4af;background:rgba(244,63,94,.1);border:1px solid rgba(244,63,94,.32);padding:6px 12px;border-radius:999px;}

/* FAB */
.fab{
  position:fixed;left:16px;bottom:96px;z-index:1200;
  display:flex;align-items:center;gap:10px;
  padding:12px 18px;border-radius:999px;
  background:rgba(7,7,13,.82);backdrop-filter:blur(12px);-webkit-backdrop-filter:blur(12px);
  border:1px solid transparent;
  background-image:linear-gradient(rgba(7,7,13,.85),rgba(7,7,13,.85)),linear-gradient(120deg,#a3e635,#06b6d4);
  background-origin:border-box;background-clip:padding-box,border-box;
  color:#fff;font-size:13.5px;font-weight:700;
  box-shadow:0 0 22px rgba(6,182,212,.45);
  opacity:.78;transition:.25s ease;
}
.fab:hover{opacity:1;transform:translateY(-3px);box-shadow:0 0 34px rgba(6,182,212,.8);color:#fff;}
.fab:active{transform:scale(.96) translateY(1px);}
.fab i{color:#a3e635;}
.fab .dot{width:9px;height:9px;border-radius:50%;background:#f43f5e;box-shadow:0 0 10px #f43f5e;animation:pulse 1.4s infinite;}
@keyframes pulse{0%,100%{opacity:1;}50%{opacity:.3;}}

/* BOTTOM FIXED CTA */
.bottom-cta{
  position:fixed;left:0;right:0;bottom:0;z-index:1100;display:none;
  padding:10px 14px;background:rgba(4,10,26,.94);border-top:1px solid var(--line-strong);
  backdrop-filter:blur(12px);-webkit-backdrop-filter:blur(12px);
}
.bottom-cta .inner{display:flex;align-items:center;gap:12px;justify-content:space-between;}
.bottom-cta span{font-size:13px;color:var(--txt-2);font-weight:600;}
.bottom-cta .btn-cf{padding:11px 18px;font-size:13.5px;}

@media (max-width:1024px){
  .hero-grid{grid-template-columns:1fr;gap:var(--sp-4);}
  .grid-4{grid-template-columns:repeat(2,1fr);}
  .proof-band{grid-template-columns:repeat(2,1fr);}
  .news-layout{grid-template-columns:1fr;}
  .footer-grid{grid-template-columns:1fr 1fr;}
  .demo-wrap{grid-template-columns:1fr;}
  .cta-grid{grid-template-columns:1fr;}
  .assure{grid-template-columns:repeat(2,1fr);}
  .cmp-scroll{overflow-x:auto;}
  .cmp-table{min-width:680px;}
}
@media (max-width:900px){
  .main-nav{display:none;}
  .nav-cta{display:none;}
  .nav-toggle{display:grid;place-items:center;margin-left:auto;}
  .mobile-nav.open{display:block;}
  .brand-txt strong{max-width:180px;font-size:13px;}
}
@media (max-width:768px){
  .grid-3,.grid-2{grid-template-columns:1fr;}
  .hero-stats{grid-template-columns:1fr 1fr;}
  .quiz-opts{grid-template-columns:1fr;}
  .news-item{grid-template-columns:1fr;}
  .news-item img{height:170px;}
  .section{padding:var(--sp-5) 0;}
  .bottom-cta{display:block;}
  .site-footer{padding-bottom:86px;}
  .sect-split{grid-template-columns:1fr!important;}
}
@media (max-width:520px){
  .hero-stats{grid-template-columns:1fr;}
  .assure{grid-template-columns:1fr;}
  .proof-band{grid-template-columns:1fr;}
  .footer-grid{grid-template-columns:1fr;}
  .fab{padding:11px 14px;font-size:12.5px;bottom:88px;}
  .bottom-cta .inner{flex-direction:column;align-items:stretch;}
  .bottom-cta .btn-cf{width:100%;}
}

/* roulang page: article */
:root{
  --bg-0:#030712;--bg-1:#081229;--bg-2:#0d1c3a;
  --glass:rgba(15,28,56,.55);--glass-2:rgba(15,28,56,.78);
  --line:rgba(56,189,248,.18);--line-strong:rgba(56,189,248,.42);
  --blue:#2563eb;--cyan:#38bdf8;--cyan-soft:#60a5fa;
  --gold:#facc15;--green:#34d399;--red:#f43f5e;
  --txt:#f8fafc;--txt-2:#cbd5e1;--txt-3:#94a3b8;
  --radius-s:10px;--radius-m:16px;--radius-l:24px;--radius-xl:32px;
  --shadow-s:0 6px 18px rgba(2,10,30,.45);
  --shadow-m:0 14px 38px rgba(2,10,30,.55);
  --shadow-glow:0 0 26px rgba(56,189,248,.35);
  --sp-1:8px;--sp-2:16px;--sp-3:24px;--sp-4:36px;--sp-5:56px;--sp-6:80px;
}
*{box-sizing:border-box;}
html{scroll-behavior:smooth;}
body{
  margin:0;
  font-family:"Segoe UI",Roboto,"Helvetica Neue",Arial,"Noto Sans",sans-serif;
  background:
    radial-gradient(1200px 600px at 15% -10%, rgba(37,99,235,.28), transparent 60%),
    radial-gradient(900px 500px at 95% 5%, rgba(56,189,248,.18), transparent 60%),
    linear-gradient(180deg,var(--bg-0),var(--bg-1) 55%,#050b1c);
  color:var(--txt);line-height:1.65;-webkit-font-smoothing:antialiased;overflow-x:hidden;
}
img{max-width:100%;display:block;}
a{color:var(--cyan-soft);text-decoration:none;transition:.22s ease;}
a:hover{color:#fff;}
h1,h2,h3,h4{font-weight:800;letter-spacing:-.01em;line-height:1.28;}
p{color:var(--txt-2);}
.container{width:min(1200px,92%);margin-inline:auto;}
.section{padding:var(--sp-6) 0;position:relative;}
.section--tight{padding:var(--sp-5) 0;}
.section--alt{background:linear-gradient(180deg,rgba(9,20,44,.72),rgba(4,10,26,.2));border-top:1px solid var(--line);border-bottom:1px solid var(--line);}
.eyebrow{
  display:inline-flex;align-items:center;gap:8px;font-size:12px;font-weight:700;letter-spacing:.14em;
  text-transform:uppercase;color:var(--cyan);background:rgba(56,189,248,.1);
  border:1px solid var(--line-strong);padding:6px 14px;border-radius:999px;margin-bottom:var(--sp-2);
}
.text-gold{color:var(--gold);}.text-cyan{color:var(--cyan);}.text-green{color:var(--green);}
.section-head{max-width:760px;margin-bottom:var(--sp-4);}
.section-head h2{font-size:clamp(22px,3vw,36px);margin-bottom:12px;}
.section-head p{margin:0;font-size:16px;}
/* HEADER */
.site-header{
  position:sticky;top:0;z-index:1000;background:rgba(4,10,26,.82);
  backdrop-filter:blur(16px);-webkit-backdrop-filter:blur(16px);
  border-bottom:1px solid var(--line);
}
.nav-wrap{display:flex;align-items:center;gap:var(--sp-3);padding:12px 0;}
.brand{display:flex;align-items:center;gap:12px;min-width:0;flex:0 1 auto;}
.brand img{width:46px;height:46px;border-radius:12px;object-fit:cover;border:1px solid var(--line-strong);box-shadow:var(--shadow-glow);}
.brand-txt{display:flex;flex-direction:column;min-width:0;}
.brand-txt strong{font-size:14px;color:#fff;line-height:1.2;white-space:nowrap;overflow:hidden;text-overflow:ellipsis;max-width:260px;}
.brand-txt span{font-size:11px;color:var(--cyan);letter-spacing:.1em;text-transform:uppercase;}
.main-nav{margin-left:auto;display:flex;align-items:center;gap:6px;}
.main-nav a{font-size:14px;font-weight:600;color:var(--txt-2);padding:9px 14px;border-radius:999px;transition:.2s ease;}
.main-nav a:hover{color:#fff;background:rgba(56,189,248,.12);}
.main-nav a.active{color:#02101f;background:linear-gradient(120deg,var(--blue),var(--cyan));}
.nav-cta{display:flex;align-items:center;gap:10px;margin-left:10px;}
.nav-cta .login{font-size:14px;font-weight:600;color:var(--txt-2);padding:9px 12px;border-radius:999px;border:1px solid transparent;}
.nav-cta .login:hover{color:var(--cyan);border-color:var(--line-strong);}
.nav-cta .signup{font-size:14px;font-weight:800;color:#02101f;padding:11px 22px;border-radius:999px;background:linear-gradient(120deg,var(--blue),var(--cyan));box-shadow:0 0 18px rgba(56,189,248,.4);}
.nav-cta .signup:hover{transform:translateY(-2px);box-shadow:0 0 28px rgba(56,189,248,.7);color:#02101f;}
.nav-toggle{display:none;background:rgba(56,189,248,.1);border:1px solid var(--line-strong);color:var(--cyan);width:44px;height:44px;border-radius:12px;font-size:18px;cursor:pointer;}
.mobile-nav{display:none;padding:10px 0 18px;border-top:1px solid var(--line);}
.mobile-nav a{display:block;padding:12px 6px;font-size:15px;font-weight:600;color:var(--txt-2);border-bottom:1px dashed rgba(56,189,248,.14);}
.mobile-nav a.active{color:var(--cyan);}
.mobile-nav .m-cta{display:flex;gap:10px;margin-top:14px;}
.mobile-nav .m-cta a{flex:1;text-align:center;border-bottom:none;border-radius:999px;padding:13px;}
.mobile-nav .m-login{border:1px solid var(--line-strong);}
.mobile-nav .m-signup{background:linear-gradient(120deg,var(--blue),var(--cyan));color:#02101f;font-weight:800;}
/* BUTTONS */
.btn-cf{display:inline-flex;align-items:center;gap:10px;justify-content:center;font-weight:700;font-size:15px;padding:14px 28px;border-radius:999px;border:1px solid transparent;cursor:pointer;transition:.25s ease;white-space:nowrap;}
.btn-cf--primary{background:linear-gradient(120deg,var(--blue),var(--cyan));color:#02101f;box-shadow:0 0 22px rgba(56,189,248,.45);}
.btn-cf--primary:hover{transform:translateY(-2px);box-shadow:0 0 34px rgba(56,189,248,.72);color:#02101f;}
.btn-cf--ghost{background:rgba(56,189,248,.06);border-color:var(--line-strong);color:var(--txt);}
.btn-cf--ghost:hover{background:rgba(56,189,248,.16);border-color:var(--cyan);transform:translateY(-2px);color:#fff;}
.btn-cf--gold{background:linear-gradient(120deg,#f59e0b,#facc15);color:#241500;box-shadow:0 0 20px rgba(250,204,21,.35);}
.btn-cf--gold:hover{transform:translateY(-2px);box-shadow:0 0 30px rgba(250,204,21,.6);color:#241500;}
.btn-cf--sm{padding:10px 20px;font-size:13.5px;}
/* GLASS CARD */
.glass-card{background:var(--glass);border:1px solid var(--line);border-radius:var(--radius-l);box-shadow:var(--shadow-m);backdrop-filter:blur(10px);-webkit-backdrop-filter:blur(10px);}
/* ARTICLE HERO */
.article-hero{
  position:relative;padding:var(--sp-5) 0 var(--sp-4);
  background:linear-gradient(140deg,rgba(3,7,18,.95),rgba(8,18,41,.88)),url('/assets/images/c29966cf4da78994.jpg') center/cover no-repeat;
  border-bottom:1px solid var(--line);
}
.art-grid{display:grid;grid-template-columns:1.15fr .85fr;gap:var(--sp-5);align-items:center;}
.breadcrumb-line{font-size:13px;color:var(--txt-3);margin-bottom:var(--sp-2);display:flex;flex-wrap:wrap;gap:8px;align-items:center;}
.breadcrumb-line a{color:var(--txt-3);}
.breadcrumb-line a:hover{color:var(--cyan);}
.breadcrumb-line i{font-size:9px;}
.article-hero h1{font-size:clamp(24px,3.6vw,44px);margin-bottom:var(--sp-2);}
.article-hero .lead{font-size:16.5px;max-width:680px;}
.art-meta{display:flex;flex-wrap:wrap;gap:14px;margin-top:var(--sp-3);font-size:13.5px;color:var(--txt-3);}
.art-meta span{display:inline-flex;align-items:center;gap:7px;}
.art-meta i{color:var(--cyan);}
.art-cover{border-radius:var(--radius-l);overflow:hidden;border:1px solid var(--line-strong);box-shadow:var(--shadow-glow);}
.art-cover img{width:100%;height:100%;object-fit:cover;aspect-ratio:4/3;}
/* ARTICLE LAYOUT */
.article-body{display:grid;grid-template-columns:minmax(0,1fr) 320px;gap:var(--sp-5);align-items:start;}
.article-content{min-width:0;}
.article-content .content-block{background:var(--glass);border:1px solid var(--line);border-radius:var(--radius-l);padding:var(--sp-4);box-shadow:var(--shadow-s);}
.article-content .content-block h2{font-size:clamp(20px,2.4vw,28px);margin:var(--sp-4) 0 var(--sp-2);}
.article-content .content-block h2:first-child{margin-top:0;}
.article-content .content-block h3{font-size:18px;margin:var(--sp-3) 0 10px;color:var(--cyan-soft);}
.article-content .content-block p{margin:0 0 var(--sp-2);}
.article-content .content-block ul{margin:0 0 var(--sp-2);padding-left:20px;}
.article-content .content-block li{margin-bottom:8px;color:var(--txt-2);}
.article-content .content-block img{border-radius:var(--radius-m);margin:var(--sp-3) 0;border:1px solid var(--line);}
.article-content .content-block a{text-decoration:underline;text-decoration-color:rgba(56,189,248,.5);}
.article-content .content-block blockquote{
  margin:var(--sp-3) 0;padding:16px 20px;border-left:3px solid var(--cyan);
  background:rgba(56,189,248,.07);border-radius:0 var(--radius-s) var(--radius-s) 0;color:var(--txt-2);
}
.no-article-box{text-align:center;padding:var(--sp-5) var(--sp-3);}
.no-article-box i{font-size:42px;color:var(--red);margin-bottom:var(--sp-2);display:block;}
.no-article-box h2{font-size:22px;margin-bottom:10px;}
.no-article-box p{margin-bottom:var(--sp-3);}
/* SIDEBAR */
.article-side{position:sticky;top:96px;display:flex;flex-direction:column;gap:var(--sp-3);}
.side-widget{background:var(--glass-2);border:1px solid var(--line);border-radius:var(--radius-l);padding:var(--sp-3);box-shadow:var(--shadow-s);}
.side-widget h3{font-size:16px;margin-bottom:var(--sp-2);display:flex;align-items:center;gap:9px;}
.side-widget h3 i{color:var(--cyan);}
.side-list{list-style:none;padding:0;margin:0;}
.side-list li{padding:10px 0;border-bottom:1px dashed rgba(56,189,248,.16);font-size:14px;}
.side-list li:last-child{border-bottom:none;}
.side-list li a{display:flex;gap:9px;align-items:flex-start;color:var(--txt-2);}
.side-list li a i{color:var(--cyan);margin-top:4px;font-size:11px;}
.side-list li a:hover{color:var(--cyan);}
.promo-box{background:linear-gradient(140deg,rgba(37,99,235,.35),rgba(56,189,248,.16));border:1px solid var(--line-strong);border-radius:var(--radius-l);padding:var(--sp-3);text-align:center;}
.promo-box strong{display:block;font-size:26px;color:var(--gold);margin-bottom:6px;}
.promo-box p{font-size:14px;margin-bottom:var(--sp-2);}
.side-cover{border-radius:var(--radius-m);overflow:hidden;border:1px solid var(--line);margin-bottom:var(--sp-2);}
.side-cover img{aspect-ratio:16/10;object-fit:cover;width:100%;}
/* HIGHLIGHT / INFO CARDS */
.grid-3{display:grid;grid-template-columns:repeat(3,1fr);gap:var(--sp-3);}
.grid-2{display:grid;grid-template-columns:repeat(2,1fr);gap:var(--sp-3);}
.grid-4{display:grid;grid-template-columns:repeat(4,1fr);gap:var(--sp-3);}
.info-card{background:var(--glass);border:1px solid var(--line);border-radius:var(--radius-m);padding:var(--sp-3);transition:.25s ease;height:100%;}
.info-card:hover{border-color:var(--line-strong);transform:translateY(-4px);box-shadow:var(--shadow-m);}
.info-card i.ico{font-size:24px;color:var(--cyan);margin-bottom:14px;display:block;}
.info-card h3{font-size:17px;margin-bottom:10px;}
.info-card p{font-size:14.5px;margin:0;}
/* METRIC BAR */
.metric-strip{display:grid;grid-template-columns:repeat(4,1fr);gap:var(--sp-3);}
.metric-cell{background:var(--glass-2);border:1px solid var(--line);border-radius:var(--radius-m);padding:var(--sp-3);text-align:center;}
.metric-cell b{display:block;font-size:28px;background:linear-gradient(120deg,#60a5fa,#38bdf8);-webkit-background-clip:text;background-clip:text;color:transparent;}
.metric-cell span{font-size:13px;color:var(--txt-3);text-transform:uppercase;letter-spacing:.08em;}
/* STEPS */
.steps-flow{display:grid;grid-template-columns:repeat(4,1fr);gap:var(--sp-3);counter-reset:step;}
.step-item{position:relative;background:var(--glass);border:1px solid var(--line);border-radius:var(--radius-m);padding:var(--sp-3) var(--sp-3) var(--sp-3);}
.step-item::before{
  counter-increment:step;content:counter(step,decimal-leading-zero);
  font-size:13px;font-weight:800;color:var(--cyan);letter-spacing:.1em;display:block;margin-bottom:12px;
}
.step-item h4{font-size:16px;margin-bottom:8px;}
.step-item p{font-size:14px;margin:0;}
/* TABLE */
.table-wrap{overflow-x:auto;border:1px solid var(--line);border-radius:var(--radius-m);background:var(--glass-2);}
table.cmp{width:100%;border-collapse:collapse;min-width:560px;}
table.cmp th,table.cmp td{padding:14px 18px;text-align:left;font-size:14.5px;border-bottom:1px solid var(--line);}
table.cmp th{background:rgba(56,189,248,.09);color:var(--cyan);font-weight:700;font-size:13px;text-transform:uppercase;letter-spacing:.06em;}
table.cmp tr:last-child td{border-bottom:none;}
table.cmp td{color:var(--txt-2);}
/* CHANNEL MATRIX */
.channel-matrix{display:grid;grid-template-columns:repeat(3,1fr);gap:var(--sp-3);}
.channel-card{position:relative;background:var(--glass-2);border:1px solid var(--line);border-radius:var(--radius-l);padding:var(--sp-3);overflow:hidden;transition:.25s ease;}
.channel-card::after{content:"";position:absolute;inset:0;background:radial-gradient(400px 140px at 100% 0%,rgba(56,189,248,.16),transparent 70%);pointer-events:none;}
.channel-card:hover{border-color:var(--line-strong);transform:translateY(-4px);box-shadow:var(--shadow-glow);}
.channel-card h3{font-size:18px;margin-bottom:10px;position:relative;}
.channel-card p{font-size:14.5px;position:relative;margin-bottom:var(--sp-2);}
/* PAYMENT BADGES */
.pay-row{display:flex;flex-wrap:wrap;gap:12px;}
.pay-badge{display:inline-flex;align-items:center;gap:9px;font-size:13.5px;font-weight:700;color:var(--txt);background:rgba(56,189,248,.08);border:1px solid var(--line-strong);padding:9px 16px;border-radius:999px;}
.pay-badge i{color:var(--gold);}
/* FAQ */
.faq-list{display:flex;flex-direction:column;gap:12px;max-width:900px;}
.faq-item{background:var(--glass);border:1px solid var(--line);border-radius:var(--radius-m);overflow:hidden;transition:.25s ease;}
.faq-item.open{border-color:var(--line-strong);box-shadow:var(--shadow-s);}
.faq-q{display:flex;justify-content:space-between;align-items:center;gap:16px;padding:18px 22px;cursor:pointer;font-weight:700;font-size:15.5px;color:var(--txt);width:100%;background:none;border:none;text-align:left;}
.faq-q:hover{color:var(--cyan);}
.faq-q i{transition:.3s ease;color:var(--cyan);font-size:13px;flex-shrink:0;}
.faq-item.open .faq-q i{transform:rotate(180deg);}
.faq-a{max-height:0;overflow:hidden;transition:max-height .35s ease;}
.faq-a p{padding:0 22px 20px;margin:0;font-size:14.5px;}
/* CTA BAND */
.cta-band{
  background:linear-gradient(130deg,rgba(37,99,235,.4),rgba(56,189,248,.14)),url('/assets/images/0ce50a42eaaadaba.jpg') center/cover no-repeat;
  border:1px solid var(--line-strong);border-radius:var(--radius-xl);
  padding:var(--sp-5) var(--sp-4);text-align:center;box-shadow:var(--shadow-m);
}
.cta-band h2{font-size:clamp(22px,3vw,34px);margin-bottom:12px;}
.cta-band p{max-width:640px;margin:0 auto var(--sp-3);font-size:16px;}
.cta-band .btns{display:flex;flex-wrap:wrap;gap:14px;justify-content:center;}
/* FOOTER */
.site-footer{background:linear-gradient(180deg,rgba(3,7,18,.95),rgba(2,6,16,.99));border-top:1px solid var(--line);padding:var(--sp-5) 0 var(--sp-3);margin-top:var(--sp-6);}
.footer-grid{display:grid;grid-template-columns:1.4fr 1fr 1fr 1fr;gap:var(--sp-4);}
.footer-grid h4{font-size:14px;text-transform:uppercase;letter-spacing:.08em;color:var(--cyan);margin-bottom:var(--sp-2);}
.footer-grid ul{list-style:none;padding:0;margin:0;}
.footer-grid ul li{margin-bottom:10px;}
.footer-grid ul a{font-size:14px;color:var(--txt-3);}
.footer-grid ul a:hover{color:var(--cyan);}
.footer-brand{display:flex;align-items:center;gap:12px;margin-bottom:var(--sp-2);}
.footer-brand img{width:44px;height:44px;border-radius:12px;border:1px solid var(--line-strong);}
.footer-grid p{font-size:14px;color:var(--txt-3);margin:0;}
.footer-bottom{margin-top:var(--sp-4);padding-top:var(--sp-3);border-top:1px solid var(--line);display:flex;flex-wrap:wrap;gap:12px;justify-content:space-between;font-size:13px;color:var(--txt-3);}
.footer-bottom .responsible{display:inline-flex;align-items:center;gap:8px;}
.footer-bottom .responsible i{color:var(--gold);}
/* FAB */
.cf-fab{
  position:fixed;left:16px;bottom:96px;z-index:50;width:56px;height:56px;border-radius:50%;
  display:flex;align-items:center;justify-content:center;font-size:22px;color:#02101f;
  background:linear-gradient(135deg,#2563eb,#38bdf8);
  box-shadow:0 0 22px rgba(56,189,248,.5);transition:.28s ease;opacity:.85;
}
.cf-fab:hover{transform:scale(1.1) rotate(8deg);opacity:1;box-shadow:0 0 34px rgba(56,189,248,.85);color:#02101f;}
.cf-fab:active{transform:scale(.94);}
.cf-fab .dot{position:absolute;top:6px;right:8px;width:12px;height:12px;border-radius:50%;background:var(--red);border:2px solid #fff;}
/* RESPONSIVE */
@media (max-width:1024px){
  .hero-grid,.art-grid,.article-body{grid-template-columns:1fr;}
  .article-side{position:static;}
  .grid-4,.steps-flow,.metric-strip{grid-template-columns:repeat(2,1fr);}
  .channel-matrix,.grid-3{grid-template-columns:repeat(2,1fr);}
  .footer-grid{grid-template-columns:repeat(2,1fr);}
}
@media (max-width:860px){
  .main-nav{display:none;}
  .nav-cta{display:none;}
  .nav-toggle{display:flex;align-items:center;justify-content:center;margin-left:auto;}
  .brand-txt strong{max-width:180px;font-size:12.5px;}
}
@media (max-width:640px){
  .section{padding:var(--sp-5) 0;}
  .grid-4,.steps-flow,.metric-strip,.channel-matrix,.grid-3,.grid-2{grid-template-columns:1fr;}
  .footer-grid{grid-template-columns:1fr;}
  .cta-band{padding:var(--sp-4) var(--sp-3);}
  .article-content .content-block{padding:var(--sp-3);}
  .footer-bottom{flex-direction:column;}
  .btn-cf{width:100%;}
}

/* roulang page: category1 */
:root{
  --bg-0:#030712;
  --bg-1:#081229;
  --bg-2:#0d1c3a;
  --glass:rgba(15,28,56,.55);
  --glass-2:rgba(15,28,56,.78);
  --line:rgba(56,189,248,.18);
  --line-strong:rgba(56,189,248,.42);
  --blue:#2563eb;
  --cyan:#38bdf8;
  --cyan-soft:#60a5fa;
  --gold:#facc15;
  --green:#34d399;
  --red:#f43f5e;
  --txt:#f8fafc;
  --txt-2:#cbd5e1;
  --txt-3:#94a3b8;
  --radius-s:10px;
  --radius-m:16px;
  --radius-l:24px;
  --radius-xl:32px;
  --shadow-s:0 6px 18px rgba(2,10,30,.45);
  --shadow-m:0 14px 38px rgba(2,10,30,.55);
  --shadow-glow:0 0 26px rgba(56,189,248,.35);
  --sp-1:8px;--sp-2:16px;--sp-3:24px;--sp-4:36px;--sp-5:56px;--sp-6:80px;
}
html{scroll-behavior:smooth;}
*{box-sizing:border-box;}
body{
  margin:0;
  font-family:"Segoe UI",Roboto,"Helvetica Neue",Arial,"Noto Sans",sans-serif;
  background:
    radial-gradient(1200px 600px at 15% -10%, rgba(37,99,235,.28), transparent 60%),
    radial-gradient(900px 500px at 95% 5%, rgba(56,189,248,.18), transparent 60%),
    linear-gradient(180deg,var(--bg-0),var(--bg-1) 55%,#050b1c);
  color:var(--txt);
  line-height:1.65;
  -webkit-font-smoothing:antialiased;
  overflow-x:hidden;
}
img{max-width:100%;display:block;}
a{color:var(--cyan-soft);text-decoration:none;transition:.22s ease;}
a:hover{color:#fff;}
h1,h2,h3,h4{font-weight:800;line-height:1.25;letter-spacing:-.01em;}
p{margin-top:0;}
.container{width:min(1200px,92%);margin-inline:auto;}
.section{padding:var(--sp-6) 0;position:relative;}
.section--tight{padding:var(--sp-5) 0;}
.section--alt{background:linear-gradient(180deg,rgba(9,20,44,.72),rgba(4,10,26,.2));border-top:1px solid var(--line);border-bottom:1px solid var(--line);}
.eyebrow{
  display:inline-flex;align-items:center;gap:8px;
  font-size:12px;font-weight:700;letter-spacing:.14em;text-transform:uppercase;
  color:var(--cyan);
  background:rgba(56,189,248,.1);
  border:1px solid var(--line-strong);
  padding:6px 14px;border-radius:999px;margin-bottom:var(--sp-2);
}
.text-gold{color:var(--gold);}
.text-cyan{color:var(--cyan);}
.section-head{max-width:760px;margin-bottom:var(--sp-4);}
.section-head h2{font-size:clamp(23px,3vw,36px);margin-bottom:12px;}
.section-head p{color:var(--txt-2);margin-bottom:0;}
.btn-cf{
  display:inline-flex;align-items:center;gap:10px;justify-content:center;
  font-weight:700;font-size:15px;padding:14px 28px;border-radius:999px;
  border:1px solid transparent;cursor:pointer;transition:.25s ease;white-space:nowrap;
}
.btn-cf--primary{
  background:linear-gradient(120deg,var(--blue),var(--cyan));
  color:#02101f;
  box-shadow:0 0 22px rgba(56,189,248,.45);
}
.btn-cf--primary:hover{transform:translateY(-2px);box-shadow:0 0 34px rgba(56,189,248,.72);color:#02101f;}
.btn-cf--ghost{
  background:rgba(56,189,248,.06);
  border-color:var(--line-strong);
  color:var(--txt);
}
.btn-cf--ghost:hover{background:rgba(56,189,248,.16);border-color:var(--cyan);transform:translateY(-2px);color:#fff;}
.btn-cf--gold{
  background:linear-gradient(120deg,#f59e0b,#facc15);
  color:#241500;box-shadow:0 0 20px rgba(250,204,21,.35);
}
.btn-cf--gold:hover{transform:translateY(-2px);box-shadow:0 0 30px rgba(250,204,21,.6);color:#241500;}
.btn-cf:focus-visible,a:focus-visible,button:focus-visible{outline:2px solid var(--cyan);outline-offset:3px;}

/* HEADER */
.site-header{
  position:sticky;top:0;z-index:1000;
  background:rgba(4,10,26,.82);
  backdrop-filter:blur(16px);
  -webkit-backdrop-filter:blur(16px);
  border-bottom:1px solid var(--line);
}
.nav-wrap{display:flex;align-items:center;gap:var(--sp-3);padding:12px 0;}
.brand{display:flex;align-items:center;gap:12px;min-width:0;flex:0 1 auto;}
.brand img{width:46px;height:46px;border-radius:12px;object-fit:cover;border:1px solid var(--line-strong);box-shadow:var(--shadow-glow);}
.brand-txt{display:flex;flex-direction:column;min-width:0;}
.brand-txt strong{font-size:14px;color:#fff;line-height:1.2;white-space:nowrap;overflow:hidden;text-overflow:ellipsis;max-width:260px;}
.brand-txt span{font-size:11px;color:var(--cyan);letter-spacing:.1em;text-transform:uppercase;}
.main-nav{margin-left:auto;display:flex;align-items:center;gap:6px;}
.main-nav a{
  font-size:14px;font-weight:600;color:var(--txt-2);
  padding:9px 14px;border-radius:999px;transition:.2s ease;
}
.main-nav a:hover{color:#fff;background:rgba(56,189,248,.12);}
.main-nav a.active{color:#02101f;background:linear-gradient(120deg,var(--blue),var(--cyan));}
.nav-cta{display:flex;align-items:center;gap:10px;margin-left:10px;}
.nav-cta .login{font-size:14px;font-weight:600;color:var(--txt-2);padding:9px 12px;border-radius:999px;border:1px solid transparent;}
.nav-cta .login:hover{color:var(--cyan);border-color:var(--line-strong);}
.nav-cta .signup{
  font-size:14px;font-weight:800;color:#02101f;padding:11px 22px;border-radius:999px;
  background:linear-gradient(120deg,var(--blue),var(--cyan));
  box-shadow:0 0 18px rgba(56,189,248,.4);
}
.nav-cta .signup:hover{transform:translateY(-2px);box-shadow:0 0 28px rgba(56,189,248,.7);color:#02101f;}
.nav-toggle{
  display:none;background:rgba(56,189,248,.1);border:1px solid var(--line-strong);
  color:var(--cyan);width:44px;height:44px;border-radius:12px;font-size:18px;cursor:pointer;
}
.mobile-nav{display:none;padding:10px 0 18px;border-top:1px solid var(--line);}
.mobile-nav a{display:block;padding:12px 6px;font-size:15px;font-weight:600;color:var(--txt-2);border-bottom:1px dashed rgba(56,189,248,.14);}
.mobile-nav a.active{color:var(--cyan);}
.mobile-nav .m-cta{display:flex;gap:10px;margin-top:14px;}
.mobile-nav .m-cta a{flex:1;text-align:center;border-bottom:none;border-radius:999px;padding:13px;}
.mobile-nav .m-login{border:1px solid var(--line-strong);}
.mobile-nav .m-signup{background:linear-gradient(120deg,var(--blue),var(--cyan));color:#02101f;font-weight:800;}

/* HERO */
.hero{
  position:relative;padding:var(--sp-6) 0 var(--sp-5);
  background:linear-gradient(140deg,rgba(3,7,18,.94),rgba(8,18,41,.86)),url('/assets/images/450aee80ac2ee6cc.jpg') center/cover no-repeat;
  border-bottom:1px solid var(--line);
}
.hero-grid{display:grid;grid-template-columns:1.05fr .95fr;gap:var(--sp-5);align-items:start;}
.hero h1{font-size:clamp(27px,4.1vw,50px);margin-bottom:var(--sp-2);}
.hero h1 .hl{background:linear-gradient(120deg,#60a5fa,#38bdf8);-webkit-background-clip:text;background-clip:text;color:transparent;}
.hero-lead{color:var(--txt-2);font-size:16.5px;max-width:640px;margin-bottom:var(--sp-3);}
.hero-actions{display:flex;flex-wrap:wrap;gap:14px;margin-bottom:var(--sp-4);}
.hero-stats{display:grid;grid-template-columns:repeat(3,1fr);gap:14px;max-width:620px;}
.stat-card{
  padding:var(--sp-2);border-radius:var(--radius-m);
  background:var(--glass);border:1px solid var(--line);
  backdrop-filter:blur(10px);
}
.stat-card .num{font-size:clamp(20px,2.6vw,28px);font-weight:800;color:var(--cyan);line-height:1.1;}
.stat-card .lbl{font-size:12.5px;color:var(--txt-3);margin-top:4px;}

/* PANEL */
.panel{
  padding:var(--sp-3);border-radius:var(--radius-l);
  background:var(--glass-2);border:1px solid var(--line-strong);
  backdrop-filter:blur(14px);box-shadow:var(--shadow-m);
}
.panel h3{font-size:19px;margin-bottom:var(--sp-2);}
.panel-tag{display:inline-flex;align-items:center;gap:7px;font-size:11px;font-weight:800;letter-spacing:.12em;text-transform:uppercase;color:var(--gold);background:rgba(250,204,21,.1);border:1px solid rgba(250,204,21,.35);padding:5px 12px;border-radius:999px;margin-bottom:14px;}
.field-row{display:flex;flex-direction:column;gap:6px;margin-bottom:14px;}
.field-row label{font-size:13px;color:var(--txt-2);font-weight:600;}
.field-row input,.field-row select{
  background:rgba(3,7,18,.7);border:1px solid var(--line-strong);color:#fff;
  border-radius:var(--radius-s);padding:12px 14px;font-size:14.5px;width:100%;
  transition:.2s ease;font-family:inherit;
}
.field-row input:focus,.field-row select:focus{outline:none;border-color:var(--cyan);box-shadow:0 0 0 3px rgba(56,189,248,.18);}
.method-grid{display:grid;grid-template-columns:repeat(2,1fr);gap:10px;margin-bottom:16px;}
.method-chip{
  display:flex;align-items:center;gap:9px;padding:11px 12px;border-radius:var(--radius-s);
  background:rgba(56,189,248,.06);border:1px solid var(--line);font-size:13px;font-weight:600;color:var(--txt-2);
}
.method-chip i{color:var(--cyan);}
.secure-line{display:flex;align-items:center;gap:8px;font-size:12px;color:var(--txt-3);margin-top:14px;}
.secure-line i{color:var(--green);}

/* GRIDS */
.grid-3{display:grid;grid-template-columns:repeat(3,1fr);gap:var(--sp-3);}
.grid-2{display:grid;grid-template-columns:repeat(2,1fr);gap:var(--sp-3);}
.grid-4{display:grid;grid-template-columns:repeat(4,1fr);gap:var(--sp-2);}
.feature{
  padding:var(--sp-3);border-radius:var(--radius-m);
  background:var(--glass);border:1px solid var(--line);
  transition:.25s ease;
}
.feature:hover{border-color:var(--line-strong);transform:translateY(-4px);box-shadow:var(--shadow-m);}
.feature i.fic{font-size:22px;color:var(--cyan);margin-bottom:12px;display:block;}
.feature h3{font-size:17px;margin-bottom:8px;}
.feature p{font-size:14px;color:var(--txt-2);margin-bottom:0;}

/* METER ROWS */
.meter{display:grid;grid-template-columns:200px 1fr auto;gap:var(--sp-2);align-items:center;padding:16px 0;border-bottom:1px dashed rgba(56,189,248,.16);}
.meter:last-child{border-bottom:none;}
.meter .m-name{font-weight:700;font-size:15px;display:flex;align-items:center;gap:9px;}
.meter .m-name i{color:var(--cyan);}
.meter .m-bar{height:8px;border-radius:999px;background:rgba(56,189,248,.12);overflow:hidden;}
.meter .m-bar span{display:block;height:100%;border-radius:999px;background:linear-gradient(90deg,var(--blue),var(--cyan));}
.meter .m-val{font-size:13.5px;color:var(--cyan);font-weight:700;white-space:nowrap;}

/* TABLE-LIKE COMPARE */
.compare{width:100%;border-collapse:separate;border-spacing:0;font-size:14.5px;}
.compare th,.compare td{padding:14px 16px;text-align:left;border-bottom:1px solid var(--line);}
.compare thead th{background:rgba(56,189,248,.08);color:var(--cyan);font-size:13px;text-transform:uppercase;letter-spacing:.08em;font-weight:800;}
.compare tbody tr:hover{background:rgba(56,189,248,.05);}
.compare td strong{color:#fff;}
.compare-wrap{border:1px solid var(--line);border-radius:var(--radius-m);overflow:hidden;background:var(--glass);}

/* TIMELINE */
.timeline{display:grid;grid-template-columns:repeat(4,1fr);gap:var(--sp-2);}
.tl-item{padding:var(--sp-3);border-radius:var(--radius-m);background:var(--glass);border:1px solid var(--line);position:relative;}
.tl-step{font-size:12px;font-weight:800;letter-spacing:.14em;color:var(--gold);text-transform:uppercase;margin-bottom:10px;}
.tl-item h3{font-size:16.5px;margin-bottom:8px;}
.tl-item p{font-size:13.8px;color:var(--txt-2);margin-bottom:0;}

/* NEWS LIST */
.news-list{display:grid;gap:var(--sp-2);}
.news-card{
  display:grid;grid-template-columns:190px 1fr;gap:var(--sp-3);align-items:center;
  padding:var(--sp-2);border-radius:var(--radius-m);
  background:var(--glass);border:1px solid var(--line);transition:.25s ease;
}
.news-card:hover{border-color:var(--line-strong);transform:translateX(4px);}
.news-card img{width:100%;height:130px;object-fit:cover;border-radius:var(--radius-s);}
.news-card h3{font-size:17px;margin:6px 0 8px;}
.news-card h3 a{color:#fff;}
.news-card h3 a:hover{color:var(--cyan);}
.news-meta{display:flex;flex-wrap:wrap;gap:14px;font-size:12.5px;color:var(--txt-3);}
.news-meta i{margin-right:5px;color:var(--cyan);}
.news-card p{font-size:13.8px;color:var(--txt-2);margin:6px 0 0;}
.empty-note{padding:var(--sp-3);border-radius:var(--radius-m);border:1px dashed var(--line-strong);color:var(--txt-3);font-size:14px;text-align:center;}

/* ASSURANCE */
.assure-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:var(--sp-2);}
.assure{padding:var(--sp-3);border-radius:var(--radius-m);background:linear-gradient(160deg,rgba(37,99,235,.16),rgba(15,28,56,.6));border:1px solid var(--line);}
.assure i{font-size:24px;color:var(--gold);margin-bottom:12px;display:block;}
.assure h3{font-size:16.5px;margin-bottom:8px;}
.assure p{font-size:13.8px;color:var(--txt-2);margin-bottom:0;}

/* FAQ */
.faq-list{display:grid;gap:12px;}
.faq-item{border:1px solid var(--line);border-radius:var(--radius-m);background:var(--glass);overflow:hidden;}
.faq-item summary{
  list-style:none;cursor:pointer;padding:18px 20px;font-weight:700;font-size:15.5px;
  display:flex;align-items:center;justify-content:space-between;gap:16px;color:#fff;
}
.faq-item summary::-webkit-details-marker{display:none;}
.faq-item summary i{color:var(--cyan);transition:.25s ease;}
.faq-item[open] summary i{transform:rotate(45deg);}
.faq-item .faq-body{padding:0 20px 20px;color:var(--txt-2);font-size:14.5px;}

/* CTA */
.cta-band{
  border-radius:var(--radius-xl);padding:var(--sp-5);
  background:linear-gradient(130deg,rgba(37,99,235,.35),rgba(8,18,41,.9)),url('/assets/images/c29966cf4da78994.jpg') center/cover no-repeat;
  border:1px solid var(--line-strong);box-shadow:var(--shadow-m);
  display:grid;grid-template-columns:1.3fr .7fr;gap:var(--sp-4);align-items:center;
}
.cta-band h2{font-size:clamp(22px,2.9vw,34px);margin-bottom:10px;}
.cta-band p{color:var(--txt-2);margin-bottom:0;}
.cta-actions{display:flex;flex-direction:column;gap:12px;}

/* FOOTER */
.site-footer{
  background:linear-gradient(180deg,rgba(4,10,26,.6),rgba(2,6,18,.98));
  border-top:1px solid var(--line);padding:var(--sp-5) 0 var(--sp-3);margin-top:var(--sp-6);
}
.footer-grid{display:grid;grid-template-columns:1.5fr 1fr 1fr 1fr;gap:var(--sp-3);}
.footer-brand{display:flex;align-items:center;gap:12px;margin-bottom:14px;}
.footer-brand img{width:44px;height:44px;border-radius:12px;object-fit:cover;border:1px solid var(--line-strong);}
.site-footer h4{font-size:14px;text-transform:uppercase;letter-spacing:.1em;color:var(--cyan);margin-bottom:14px;}
.site-footer ul{list-style:none;padding:0;margin:0;display:grid;gap:9px;}
.site-footer ul a{font-size:14px;color:var(--txt-2);}
.site-footer ul a:hover{color:var(--cyan);}
.site-footer p{font-size:13.5px;color:var(--txt-3);}
.footer-bottom{
  margin-top:var(--sp-4);padding-top:var(--sp-3);border-top:1px solid var(--line);
  display:flex;justify-content:space-between;gap:16px;flex-wrap:wrap;font-size:13px;color:var(--txt-3);
}
.responsible{display:inline-flex;align-items:center;gap:8px;}
.responsible i{color:var(--green);}

/* FAB */
.fab{
  position:fixed;left:16px;bottom:96px;z-index:50;
  display:inline-flex;align-items:center;gap:10px;
  padding:12px 18px;border-radius:999px;min-height:56px;
  background:rgba(7,7,13,.8);backdrop-filter:blur(12px);
  border:1px solid transparent;
  background-image:linear-gradient(rgba(7,7,13,.85),rgba(7,7,13,.85)),linear-gradient(120deg,var(--cyan),var(--blue));
  background-origin:border-box;background-clip:padding-box,border-box;
  color:#fff;font-size:14px;font-weight:700;
  box-shadow:0 0 20px rgba(6,182,212,.45);
  opacity:.85;transition:.25s ease;
}
.fab:hover{opacity:1;transform:translateY(-3px);box-shadow:0 0 30px rgba(6,182,212,.7);color:#fff;}
.fab i{color:var(--cyan);font-size:18px;}
.fab .dot{position:absolute;top:-6px;right:-6px;width:14px;height:14px;border-radius:50%;background:var(--red);border:2px solid #fff;}

@media(max-width:1024px){
  .hero-grid{grid-template-columns:1fr;}
  .grid-3{grid-template-columns:repeat(2,1fr);}
  .grid-4{grid-template-columns:repeat(2,1fr);}
  .timeline{grid-template-columns:repeat(2,1fr);}
  .assure-grid{grid-template-columns:1fr;}
  .footer-grid{grid-template-columns:1fr 1fr;}
  .cta-band{grid-template-columns:1fr;padding:var(--sp-4);}
  .main-nav{display:none;}
  .nav-cta{display:none;}
  .nav-toggle{display:inline-flex;align-items:center;justify-content:center;margin-left:auto;}
}
@media(max-width:768px){
  .grid-2,.grid-3,.grid-4{grid-template-columns:1fr;}
  .timeline{grid-template-columns:1fr;}
  .hero-stats{grid-template-columns:1fr 1fr;}
  .news-card{grid-template-columns:1fr;}
  .news-card img{height:180px;}
  .meter{grid-template-columns:1fr;gap:8px;}
  .meter .m-val{text-align:left;}
  .compare-wrap{overflow-x:auto;}
  .footer-grid{grid-template-columns:1fr;}
  .section{padding:var(--sp-5) 0;}
  .fab{left:12px;bottom:84px;padding:11px 15px;}
}
@media(max-width:520px){
  .hero-stats{grid-template-columns:1fr;}
  .hero{padding:var(--sp-5) 0 var(--sp-4);}
  .btn-cf{width:100%;}
  .hero-actions{flex-direction:column;}
  .brand-txt strong{max-width:150px;font-size:12.5px;}
}

/* roulang page: category2 */
:root{
  --bg-0:#030712;--bg-1:#081229;--bg-2:#0d1c3a;
  --glass:rgba(15,28,56,.55);--glass-2:rgba(15,28,56,.78);
  --line:rgba(56,189,248,.18);--line-strong:rgba(56,189,248,.42);
  --blue:#2563eb;--cyan:#38bdf8;--cyan-soft:#60a5fa;
  --gold:#facc15;--green:#34d399;--red:#f43f5e;
  --txt:#f8fafc;--txt-2:#cbd5e1;--txt-3:#94a3b8;
  --radius-s:10px;--radius-m:16px;--radius-l:24px;--radius-xl:32px;
  --shadow-s:0 6px 18px rgba(2,10,30,.45);
  --shadow-m:0 14px 38px rgba(2,10,30,.55);
  --shadow-glow:0 0 26px rgba(56,189,248,.35);
  --sp-1:8px;--sp-2:16px;--sp-3:24px;--sp-4:36px;--sp-5:56px;--sp-6:80px;
}
*,*::before,*::after{box-sizing:border-box;}
html{scroll-behavior:smooth;}
body{
  margin:0;
  font-family:"Segoe UI",Roboto,"Helvetica Neue",Arial,"Noto Sans",sans-serif;
  background:
    radial-gradient(1200px 600px at 15% -10%, rgba(37,99,235,.28), transparent 60%),
    radial-gradient(900px 500px at 95% 5%, rgba(56,189,248,.18), transparent 60%),
    linear-gradient(180deg,var(--bg-0),var(--bg-1) 55%,#050b1c);
  color:var(--txt);
  line-height:1.65;
  -webkit-font-smoothing:antialiased;
  overflow-x:hidden;
}
img{max-width:100%;display:block;}
a{color:var(--cyan-soft);text-decoration:none;transition:.22s ease;}
a:hover{color:#fff;}
h1,h2,h3,h4{line-height:1.25;font-weight:800;letter-spacing:-.01em;}
p{margin:0 0 14px;}
.container{width:min(1200px,92%);margin-inline:auto;}
.section{padding:var(--sp-6) 0;position:relative;}
.section--tight{padding:var(--sp-5) 0;}
.section--alt{background:linear-gradient(180deg,rgba(9,20,44,.72),rgba(4,10,26,.2));border-top:1px solid var(--line);border-bottom:1px solid var(--line);}
.eyebrow{
  display:inline-flex;align-items:center;gap:8px;
  font-size:12px;font-weight:700;letter-spacing:.14em;text-transform:uppercase;
  color:var(--cyan);background:rgba(56,189,248,.1);
  border:1px solid var(--line-strong);
  padding:6px 14px;border-radius:999px;margin-bottom:var(--sp-2);
}
.section-head{max-width:760px;margin-bottom:var(--sp-4);}
.section-head h2{font-size:clamp(24px,3vw,36px);margin-bottom:12px;}
.section-head p{color:var(--txt-2);font-size:16px;}
.text-gold{color:var(--gold);}
.text-cyan{color:var(--cyan);}
.text-muted2{color:var(--txt-3);}
.btn-cf{
  display:inline-flex;align-items:center;gap:10px;justify-content:center;
  font-weight:700;font-size:15px;padding:14px 28px;border-radius:999px;
  border:1px solid transparent;cursor:pointer;transition:.25s ease;white-space:nowrap;
}
.btn-cf--primary{background:linear-gradient(120deg,var(--blue),var(--cyan));color:#02101f;box-shadow:0 0 22px rgba(56,189,248,.45);}
.btn-cf--primary:hover{transform:translateY(-2px);box-shadow:0 0 34px rgba(56,189,248,.72);color:#02101f;}
.btn-cf--ghost{background:rgba(56,189,248,.06);border-color:var(--line-strong);color:var(--txt);}
.btn-cf--ghost:hover{background:rgba(56,189,248,.16);border-color:var(--cyan);transform:translateY(-2px);}
.btn-cf--gold{background:linear-gradient(120deg,#f59e0b,#facc15);color:#241500;box-shadow:0 0 20px rgba(250,204,21,.35);}
.btn-cf--gold:hover{transform:translateY(-2px);box-shadow:0 0 30px rgba(250,204,21,.6);color:#241500;}
.btn-cf:focus-visible,a:focus-visible{outline:2px solid var(--cyan);outline-offset:3px;}
/* HEADER */
.site-header{
  position:sticky;top:0;z-index:1000;
  background:rgba(4,10,26,.82);
  backdrop-filter:blur(16px);-webkit-backdrop-filter:blur(16px);
  border-bottom:1px solid var(--line);
}
.nav-wrap{display:flex;align-items:center;gap:var(--sp-3);padding:12px 0;}
.brand{display:flex;align-items:center;gap:12px;min-width:0;flex:0 1 auto;}
.brand img{width:46px;height:46px;border-radius:12px;object-fit:cover;border:1px solid var(--line-strong);box-shadow:var(--shadow-glow);}
.brand-txt{display:flex;flex-direction:column;min-width:0;}
.brand-txt strong{font-size:14px;color:#fff;line-height:1.2;white-space:nowrap;overflow:hidden;text-overflow:ellipsis;max-width:300px;}
.brand-txt span{font-size:11px;color:var(--cyan);letter-spacing:.1em;text-transform:uppercase;}
.main-nav{margin-left:auto;display:flex;align-items:center;gap:6px;}
.main-nav a{font-size:14px;font-weight:600;color:var(--txt-2);padding:9px 14px;border-radius:999px;transition:.2s ease;}
.main-nav a:hover{color:#fff;background:rgba(56,189,248,.12);}
.main-nav a.active{color:#02101f;background:linear-gradient(120deg,var(--blue),var(--cyan));}
.nav-cta{display:flex;align-items:center;gap:10px;margin-left:10px;}
.nav-cta .login{font-size:14px;font-weight:600;color:var(--txt-2);padding:9px 12px;border-radius:999px;border:1px solid transparent;}
.nav-cta .login:hover{color:var(--cyan);border-color:var(--line-strong);}
.nav-cta .signup{font-size:14px;font-weight:800;color:#02101f;padding:11px 22px;border-radius:999px;background:linear-gradient(120deg,var(--blue),var(--cyan));box-shadow:0 0 18px rgba(56,189,248,.4);}
.nav-cta .signup:hover{transform:translateY(-2px);box-shadow:0 0 28px rgba(56,189,248,.7);color:#02101f;}
.nav-toggle{display:none;background:rgba(56,189,248,.1);border:1px solid var(--line-strong);color:var(--cyan);width:44px;height:44px;border-radius:12px;font-size:18px;cursor:pointer;}
.mobile-nav{display:none;padding:10px 0 18px;border-top:1px solid var(--line);}
.mobile-nav a{display:block;padding:12px 6px;font-size:15px;font-weight:600;color:var(--txt-2);border-bottom:1px dashed rgba(56,189,248,.14);}
.mobile-nav a.active{color:var(--cyan);}
.mobile-nav .m-cta{display:flex;gap:10px;margin-top:14px;}
.mobile-nav .m-cta a{flex:1;text-align:center;border-bottom:none;border-radius:999px;padding:13px;}
.mobile-nav .m-login{border:1px solid var(--line-strong);}
.mobile-nav .m-signup{background:linear-gradient(120deg,var(--blue),var(--cyan));color:#02101f;font-weight:800;}
/* HERO */
.cat-hero{
  position:relative;overflow:hidden;
  padding:var(--sp-6) 0 var(--sp-5);
  background:
    linear-gradient(120deg,rgba(3,7,18,.94),rgba(8,18,41,.82)),
    url('/assets/images/e01d0e00d1fd7732.jpg') center/cover no-repeat;
  border-bottom:1px solid var(--line);
}
.cat-hero::after{
  content:"";position:absolute;inset:0;pointer-events:none;
  background:radial-gradient(700px 360px at 80% 10%, rgba(56,189,248,.22), transparent 65%);
}
.cat-hero .container{position:relative;z-index:2;}
.cat-hero-grid{display:grid;grid-template-columns:1.02fr .98fr;gap:var(--sp-5);align-items:center;}
.cat-hero h1{font-size:clamp(26px,3.9vw,46px);margin-bottom:var(--sp-2);}
.cat-hero h1 .hl{background:linear-gradient(120deg,#60a5fa,#38bdf8);-webkit-background-clip:text;background-clip:text;color:transparent;}
.cat-hero-lead{color:var(--txt-2);font-size:16.5px;max-width:620px;margin-bottom:var(--sp-3);}
.cat-hero-actions{display:flex;flex-wrap:wrap;gap:14px;margin-bottom:var(--sp-3);}
.hero-chips{display:flex;flex-wrap:wrap;gap:10px;}
.chip{
  font-size:12.5px;font-weight:700;color:var(--txt-2);
  border:1px solid var(--line-strong);background:rgba(56,189,248,.08);
  padding:7px 14px;border-radius:999px;
}
.chip i{color:var(--gold);margin-right:6px;}
/* HERO PANEL — vertical short-video feel */
.hero-panel{
  position:relative;border-radius:var(--radius-xl);overflow:hidden;
  border:1px solid var(--line-strong);
  background:var(--glass-2);
  box-shadow:var(--shadow-m),var(--shadow-glow);
}
.hero-panel__media{
  position:relative;aspect-ratio:9/12;max-height:520px;overflow:hidden;
}
.hero-panel__media img{width:100%;height:100%;object-fit:cover;filter:saturate(1.05);}
.hero-panel__media::after{
  content:"";position:absolute;inset:0;
  background:linear-gradient(180deg,rgba(3,7,18,.05),rgba(3,7,18,.86));
}
.hero-panel__tag{
  position:absolute;top:16px;left:16px;z-index:3;
  display:inline-flex;align-items:center;gap:8px;
  font-size:12px;font-weight:800;letter-spacing:.08em;text-transform:uppercase;
  background:linear-gradient(120deg,#f43f5e,#fb7185);color:#fff;
  padding:8px 14px;border-radius:999px;box-shadow:0 6px 20px rgba(244,63,94,.4);
}
.hero-panel__body{
  position:absolute;left:0;right:0;bottom:0;z-index:3;padding:22px;
}
.hero-panel__body h3{font-size:18px;margin-bottom:6px;}
.hero-panel__body p{font-size:13.5px;color:var(--txt-2);margin-bottom:14px;}
.hero-panel__meta{display:flex;align-items:center;justify-content:space-between;gap:12px;font-size:13px;color:var(--txt-3);}
.hero-panel__meta strong{color:var(--green);}
.code-box{
  display:flex;align-items:center;justify-content:space-between;gap:12px;
  margin-top:14px;padding:14px 16px;border-radius:var(--radius-m);
  background:rgba(3,7,18,.72);border:1px dashed var(--line-strong);
}
.code-box span{font-family:"Courier New",monospace;font-size:20px;font-weight:800;color:var(--gold);letter-spacing:.16em;}
.code-box small{color:var(--txt-3);font-size:12px;}
/* MINI STATS */
.stat-strip{display:grid;grid-template-columns:repeat(4,1fr);gap:18px;}
.stat-item{
  padding:22px;border-radius:var(--radius-l);
  background:var(--glass);border:1px solid var(--line);
  transition:.25s ease;
}
.stat-item:hover{border-color:var(--line-strong);transform:translateY(-4px);box-shadow:var(--shadow-m);}
.stat-item b{display:block;font-size:clamp(22px,2.6vw,30px);color:var(--cyan);font-weight:800;}
.stat-item span{font-size:13.5px;color:var(--txt-3);}
/* PROMO GRID */
.promo-grid{display:grid;grid-template-columns:repeat(auto-fit,minmax(280px,1fr));gap:22px;}
.promo-card{
  position:relative;display:flex;flex-direction:column;
  padding:26px;border-radius:var(--radius-l);
  background:var(--glass);border:1px solid var(--line);
  transition:.28s ease;
}
.promo-card:hover{transform:translateY(-6px);border-color:var(--line-strong);box-shadow:var(--shadow-m),var(--shadow-glow);}
.promo-card__tag{
  position:absolute;top:18px;right:18px;
  font-size:11px;font-weight:800;letter-spacing:.08em;text-transform:uppercase;
  padding:6px 12px;border-radius:999px;
  background:linear-gradient(120deg,#f59e0b,#facc15);color:#241500;
}
.promo-card__tag--red{background:linear-gradient(120deg,#f43f5e,#fb7185);color:#fff;}
.promo-card__tag--green{background:linear-gradient(120deg,#10b981,#34d399);color:#04231a;}
.promo-card__icon{
  width:52px;height:52px;border-radius:16px;display:grid;place-items:center;
  font-size:22px;color:var(--cyan);
  background:rgba(56,189,248,.12);border:1px solid var(--line-strong);
  margin-bottom:18px;
}
.promo-card h3{font-size:19px;margin-bottom:10px;}
.promo-card p{color:var(--txt-2);font-size:14.5px;}
.promo-card ul{list-style:none;padding:0;margin:0 0 18px;}
.promo-card ul li{position:relative;padding-left:24px;font-size:14px;color:var(--txt-2);margin-bottom:9px;}
.promo-card ul li::before{content:"\f00c";font-family:"Font Awesome 6 Free";font-weight:900;position:absolute;left:0;color:var(--green);font-size:12px;}
.promo-card__foot{margin-top:auto;display:flex;align-items:center;justify-content:space-between;gap:12px;padding-top:18px;border-top:1px solid var(--line);}
.promo-card__foot small{color:var(--txt-3);font-size:12.5px;}
/* STEP FLOW */
.flow{display:grid;grid-template-columns:repeat(auto-fit,minmax(240px,1fr));gap:20px;counter-reset:flow;}
.flow-item{position:relative;padding:26px 24px;border-radius:var(--radius-l);background:linear-gradient(160deg,rgba(15,28,56,.72),rgba(8,18,41,.4));border:1px solid var(--line);}
.flow-item::before{
  counter-increment:flow;content:"0" counter(flow);
  display:block;font-size:13px;font-weight:800;letter-spacing:.16em;
  color:var(--cyan);margin-bottom:12px;
}
.flow-item h4{font-size:17px;margin-bottom:8px;}
.flow-item p{font-size:14px;color:var(--txt-2);margin:0;}
/* SCENE LIST */
.scene-grid{display:grid;grid-template-columns:1.1fr .9fr;gap:var(--sp-4);align-items:start;}
.scene-list{list-style:none;padding:0;margin:0;}
.scene-list li{
  display:flex;gap:16px;padding:20px 0;border-bottom:1px dashed rgba(56,189,248,.16);
}
.scene-list li:last-child{border-bottom:none;}
.scene-list i{
  flex:0 0 44px;height:44px;border-radius:14px;display:grid;place-items:center;
  background:rgba(56,189,248,.1);border:1px solid var(--line-strong);color:var(--cyan);
}
.scene-list h4{font-size:16.5px;margin-bottom:6px;}
.scene-list p{font-size:14px;color:var(--txt-2);margin:0;}
.scene-media{border-radius:var(--radius-l);overflow:hidden;border:1px solid var(--line);box-shadow:var(--shadow-m);}
.scene-media img{width:100%;height:100%;object-fit:cover;min-height:300px;}
/* COMPARE TABLE */
.compare-wrap{border-radius:var(--radius-l);overflow:hidden;border:1px solid var(--line);background:var(--glass);}
.compare-table{width:100%;border-collapse:collapse;font-size:14.5px;}
.compare-table thead th{
  background:rgba(37,99,235,.28);color:#fff;font-weight:700;
  padding:16px 18px;text-align:left;font-size:13.5px;letter-spacing:.03em;
}
.compare-table tbody td{padding:16px 18px;border-top:1px solid var(--line);color:var(--txt-2);}
.compare-table tbody tr:hover{background:rgba(56,189,248,.06);}
.compare-table td strong{color:#fff;}
.badge-vip{display:inline-block;font-size:11.5px;font-weight:800;letter-spacing:.06em;padding:5px 12px;border-radius:999px;background:rgba(250,204,21,.14);color:var(--gold);border:1px solid rgba(250,204,21,.35);}
/* INFO LIST (CMS) */
.info-list{display:grid;grid-template-columns:repeat(auto-fit,minmax(280px,1fr));gap:22px;}
.info-card{
  display:flex;flex-direction:column;overflow:hidden;
  border-radius:var(--radius-l);background:var(--glass);border:1px solid var(--line);
  transition:.28s ease;
}
.info-card:hover{transform:translateY(-5px);border-color:var(--line-strong);box-shadow:var(--shadow-m);}
.info-card img{width:100%;height:180px;object-fit:cover;}
.info-card__body{padding:20px;display:flex;flex-direction:column;flex:1;}
.info-card__meta{display:flex;align-items:center;gap:12px;font-size:12.5px;color:var(--txt-3);margin-bottom:10px;}
.info-card__meta i{color:var(--cyan);}
.info-card h3{font-size:16.5px;margin-bottom:8px;}
.info-card h3 a{color:#fff;}
.info-card h3 a:hover{color:var(--cyan);}
.info-card p{font-size:14px;color:var(--txt-3);margin:0 0 14px;}
.info-card__link{margin-top:auto;font-size:13.5px;font-weight:700;color:var(--cyan);}
.info-card__link:hover{color:#fff;}
.no-updates{padding:26px;border-radius:var(--radius-l);border:1px dashed var(--line-strong);background:var(--glass);color:var(--txt-3);text-align:center;}
/* TRUST */
.trust-grid{display:grid;grid-template-columns:repeat(auto-fit,minmax(220px,1fr));gap:20px;}
.trust-item{padding:24px;border-radius:var(--radius-l);background:rgba(8,18,41,.6);border:1px solid var(--line);}
.trust-item i{font-size:22px;color:var(--cyan);margin-bottom:14px;display:block;}
.trust-item h4{font-size:16px;margin-bottom:8px;}
.trust-item p{font-size:14px;color:var(--txt-3);margin:0;}
/* FAQ */
.faq-list{display:grid;gap:14px;}
.faq-item{border:1px solid var(--line);border-radius:var(--radius-m);background:var(--glass);overflow:hidden;}
.faq-item summary{
  cursor:pointer;list-style:none;padding:18px 22px;
  font-weight:700;font-size:15.5px;color:#fff;
  display:flex;align-items:center;justify-content:space-between;gap:16px;
}
.faq-item summary::-webkit-details-marker{display:none;}
.faq-item summary::after{content:"\f107";font-family:"Font Awesome 6 Free";font-weight:900;color:var(--cyan);transition:.25s ease;}
.faq-item[open] summary::after{transform:rotate(180deg);}
.faq-item[open]{border-color:var(--line-strong);}
.faq-item p{padding:0 22px 20px;margin:0;color:var(--txt-2);font-size:14.5px;}
/* CTA */
.cta-band{
  position:relative;overflow:hidden;
  border-radius:var(--radius-xl);padding:var(--sp-5);
  background:linear-gradient(130deg,rgba(37,99,235,.5),rgba(56,189,248,.22)),url('/assets/images/0ce50a42eaaadaba.jpg') center/cover no-repeat;
  border:1px solid var(--line-strong);
  box-shadow:var(--shadow-m);
}
.cta-band::after{content:"";position:absolute;inset:0;background:rgba(3,7,18,.6);}
.cta-band__inner{position:relative;z-index:2;max-width:660px;}
.cta-band h2{font-size:clamp(22px,3vw,34px);margin-bottom:12px;}
.cta-band p{color:var(--txt-2);margin-bottom:22px;}
/* FORM */
.form-panel{
  border-radius:var(--radius-l);padding:var(--sp-3);
  background:var(--glass-2);border:1px solid var(--line-strong);box-shadow:var(--shadow-m);
}
.form-panel label{display:block;font-size:13px;font-weight:700;color:var(--txt-2);margin-bottom:7px;}
.form-panel input,.form-panel select{
  width:100%;padding:13px 15px;border-radius:var(--radius-s);
  background:rgba(3,7,18,.72);border:1px solid var(--line);color:#fff;
  font-size:14.5px;transition:.2s ease;
}
.form-panel input:focus,.form-panel select:focus{
  outline:none;border-color:var(--cyan);box-shadow:0 0 0 3px rgba(56,189,248,.2);
}
.form-panel .field{margin-bottom:16px;}
.form-note{font-size:12.5px;color:var(--txt-3);margin-top:14px;}
/* FOOTER */
.site-footer{
  margin-top:var(--sp-6);
  background:linear-gradient(180deg,rgba(4,10,26,.6),rgba(2,6,16,.96));
  border-top:1px solid var(--line);
  padding:var(--sp-5) 0 var(--sp-3);
}
.footer-grid{display:grid;grid-template-columns:1.4fr 1fr 1fr 1fr;gap:var(--sp-4);}
.footer-brand{display:flex;align-items:center;gap:12px;margin-bottom:16px;}
.footer-brand img{width:44px;height:44px;border-radius:12px;object-fit:cover;border:1px solid var(--line-strong);}
.footer-grid p{font-size:14px;color:var(--txt-3);max-width:360px;}
.footer-grid h4{font-size:15px;margin-bottom:16px;color:#fff;}
.footer-grid ul{list-style:none;padding:0;margin:0;}
.footer-grid ul li{margin-bottom:10px;}
.footer-grid ul a{font-size:14px;color:var(--txt-3);}
.footer-grid ul a:hover{color:var(--cyan);}
.footer-bottom{
  margin-top:var(--sp-4);padding-top:var(--sp-3);border-top:1px solid var(--line);
  display:flex;flex-wrap:wrap;gap:14px;justify-content:space-between;align-items:center;
  font-size:13px;color:var(--txt-3);
}
.footer-bottom .responsible{display:inline-flex;align-items:center;gap:8px;color:var(--txt-3);}
.footer-bottom .responsible i{color:var(--green);}
/* FAB */
.fab-777{
  position:fixed;left:16px;bottom:96px;z-index:50;
  width:56px;height:56px;border-radius:18px;display:grid;place-items:center;
  font-size:17px;font-weight:800;letter-spacing:.02em;
  color:#0b0720;
  background:linear-gradient(135deg,#ec4899,#22d3ee);
  border:2px solid rgba(255,255,255,.35);
  box-shadow:0 0 22px rgba(34,211,238,.5);
  opacity:.85;transition:.25s ease;
}
.fab-777:hover{opacity:1;transform:scale(1.08);box-shadow:0 0 32px rgba(236,72,153,.7);}
.fab-777:active{transform:scale(.95);}
.fab-777__dot{position:absolute;top:-4px;right:-4px;width:14px;height:14px;border-radius:999px;background:#f43f5e;border:2px solid #fff;}
/* RESPONSIVE */
@media (max-width:1024px){
  .cat-hero-grid,.scene-grid{grid-template-columns:1fr;gap:var(--sp-4);}
  .stat-strip{grid-template-columns:repeat(2,1fr);}
  .main-nav{display:none;}
  .nav-toggle{display:grid;place-items:center;margin-left:auto;}
  .nav-cta{display:none;}
  .footer-grid{grid-template-columns:1fr 1fr;gap:var(--sp-3);}
}
@media (max-width:768px){
  .section{padding:var(--sp-5) 0;}
  .hero-panel__media{aspect-ratio:4/5;}
  .compare-table thead th,.compare-table tbody td{padding:13px 12px;font-size:13px;}
  .cta-band{padding:var(--sp-4);}
}
@media (max-width:520px){
  .stat-strip{grid-template-columns:1fr;}
  .footer-grid{grid-template-columns:1fr;}
  .cat-hero{padding:var(--sp-5) 0 var(--sp-4);}
  .btn-cf{width:100%;}
  .cat-hero-actions{flex-direction:column;}
  .brand-txt strong{max-width:170px;font-size:12.5px;}
  .footer-bottom{flex-direction:column;align-items:flex-start;}
}

/* roulang page: category3 */
:root{
  --bg-0:#030712;
  --bg-1:#081229;
  --bg-2:#0d1c3a;
  --glass:rgba(15,28,56,.55);
  --glass-2:rgba(15,28,56,.78);
  --line:rgba(56,189,248,.18);
  --line-strong:rgba(56,189,248,.42);
  --blue:#2563eb;
  --cyan:#38bdf8;
  --cyan-soft:#60a5fa;
  --gold:#facc15;
  --green:#34d399;
  --red:#f43f5e;
  --txt:#f8fafc;
  --txt-2:#cbd5e1;
  --txt-3:#94a3b8;
  --radius-s:10px;
  --radius-m:16px;
  --radius-l:24px;
  --radius-xl:32px;
  --shadow-s:0 6px 18px rgba(2,10,30,.45);
  --shadow-m:0 14px 38px rgba(2,10,30,.55);
  --shadow-glow:0 0 26px rgba(56,189,248,.35);
  --sp-1:8px;--sp-2:16px;--sp-3:24px;--sp-4:36px;--sp-5:56px;--sp-6:80px;
}
html{scroll-behavior:smooth;}
body{
  margin:0;
  font-family:"Segoe UI",Roboto,"Helvetica Neue",Arial,"Noto Sans",sans-serif;
  background:
    radial-gradient(1200px 600px at 15% -10%, rgba(37,99,235,.28), transparent 60%),
    radial-gradient(900px 500px at 95% 5%, rgba(56,189,248,.18), transparent 60%),
    linear-gradient(180deg,var(--bg-0),var(--bg-1) 55%,#050b1c);
  color:var(--txt);
  line-height:1.65;
  -webkit-font-smoothing:antialiased;
  overflow-x:hidden;
}
img{max-width:100%;display:block;}
a{color:var(--cyan-soft);text-decoration:none;transition:.22s ease;}
a:hover{color:#fff;}
.container{width:min(1200px,92%);margin-inline:auto;}
.section{padding:var(--sp-6) 0;position:relative;}
.section--tight{padding:var(--sp-5) 0;}
.section--alt{background:linear-gradient(180deg,rgba(9,20,44,.72),rgba(4,10,26,.2));border-top:1px solid var(--line);border-bottom:1px solid var(--line);}
.eyebrow{
  display:inline-flex;align-items:center;gap:8px;
  font-size:12px;font-weight:700;letter-spacing:.14em;text-transform:uppercase;
  color:var(--cyan);
  background:rgba(56,189,248,.1);
  border:1px solid var(--line-strong);
  padding:6px 14px;border-radius:999px;margin-bottom:var(--sp-2);
}
.text-gold{color:var(--gold);}
.text-cyan{color:var(--cyan);}
.btn-cf{
  display:inline-flex;align-items:center;gap:10px;justify-content:center;
  font-weight:700;font-size:15px;padding:14px 28px;border-radius:999px;
  border:1px solid transparent;cursor:pointer;transition:.25s ease;white-space:nowrap;
}
.btn-cf--primary{
  background:linear-gradient(120deg,var(--blue),var(--cyan));
  color:#02101f;
  box-shadow:0 0 22px rgba(56,189,248,.45);
}
.btn-cf--primary:hover{transform:translateY(-2px);box-shadow:0 0 34px rgba(56,189,248,.72);color:#02101f;}
.btn-cf--ghost{
  background:rgba(56,189,248,.06);
  border-color:var(--line-strong);
  color:var(--txt);
}
.btn-cf--ghost:hover{background:rgba(56,189,248,.16);border-color:var(--cyan);transform:translateY(-2px);}
.btn-cf--gold{
  background:linear-gradient(120deg,#f59e0b,#facc15);
  color:#241500;box-shadow:0 0 20px rgba(250,204,21,.35);
}
.btn-cf--gold:hover{transform:translateY(-2px);box-shadow:0 0 30px rgba(250,204,21,.6);color:#241500;}
/* HEADER */
.site-header{
  position:sticky;top:0;z-index:1000;
  background:rgba(4,10,26,.82);
  backdrop-filter:blur(16px);
  -webkit-backdrop-filter:blur(16px);
  border-bottom:1px solid var(--line);
}
.nav-wrap{display:flex;align-items:center;gap:var(--sp-3);padding:12px 0;}
.brand{display:flex;align-items:center;gap:12px;min-width:0;flex:0 1 auto;}
.brand img{width:46px;height:46px;border-radius:12px;object-fit:cover;border:1px solid var(--line-strong);box-shadow:var(--shadow-glow);}
.brand-txt{display:flex;flex-direction:column;min-width:0;}
.brand-txt strong{font-size:14px;color:#fff;line-height:1.2;white-space:nowrap;overflow:hidden;text-overflow:ellipsis;max-width:260px;}
.brand-txt span{font-size:11px;color:var(--cyan);letter-spacing:.1em;text-transform:uppercase;}
.main-nav{margin-left:auto;display:flex;align-items:center;gap:6px;}
.main-nav a{
  font-size:14px;font-weight:600;color:var(--txt-2);
  padding:9px 14px;border-radius:999px;transition:.2s ease;
}
.main-nav a:hover{color:#fff;background:rgba(56,189,248,.12);}
.main-nav a.active{color:#02101f;background:linear-gradient(120deg,var(--blue),var(--cyan));}
.nav-cta{display:flex;align-items:center;gap:10px;margin-left:10px;}
.nav-cta .login{font-size:14px;font-weight:600;color:var(--txt-2);padding:9px 12px;border-radius:999px;border:1px solid transparent;}
.nav-cta .login:hover{color:var(--cyan);border-color:var(--line-strong);}
.nav-cta .signup{
  font-size:14px;font-weight:800;color:#02101f;padding:11px 22px;border-radius:999px;
  background:linear-gradient(120deg,var(--blue),var(--cyan));
  box-shadow:0 0 18px rgba(56,189,248,.4);
}
.nav-cta .signup:hover{transform:translateY(-2px);box-shadow:0 0 28px rgba(56,189,248,.7);color:#02101f;}
.nav-toggle{
  display:none;background:rgba(56,189,248,.1);border:1px solid var(--line-strong);
  color:var(--cyan);width:44px;height:44px;border-radius:12px;font-size:18px;cursor:pointer;
}
.mobile-nav{display:none;padding:10px 0 18px;border-top:1px solid var(--line);}
.mobile-nav a{display:block;padding:12px 6px;font-size:15px;font-weight:600;color:var(--txt-2);border-bottom:1px dashed rgba(56,189,248,.14);}
.mobile-nav a.active{color:var(--cyan);}
.mobile-nav .m-cta{display:flex;gap:10px;margin-top:14px;}
.mobile-nav .m-cta a{flex:1;text-align:center;border-bottom:none;border-radius:999px;padding:13px;}
.mobile-nav .m-login{border:1px solid var(--line-strong);}
.mobile-nav .m-signup{background:linear-gradient(120deg,var(--blue),var(--cyan));color:#02101f;font-weight:800;}
/* HERO (classification variant) */
.cat-hero{
  position:relative;padding:var(--sp-6) 0 var(--sp-5);
  background:linear-gradient(140deg,rgba(3,7,18,.94),rgba(8,18,41,.88)),url('/assets/images/c29966cf4da78994.jpg') center/cover no-repeat;
  border-bottom:1px solid var(--line);
}
.cat-hero-grid{display:grid;grid-template-columns:1.1fr .9fr;gap:var(--sp-5);align-items:center;}
.cat-hero h1{font-size:clamp(26px,4vw,46px);margin-bottom:var(--sp-2);line-height:1.25;}
.cat-hero h1 .hl{background:linear-gradient(120deg,#60a5fa,#38bdf8);-webkit-background-clip:text;background-clip:text;color:transparent;}
.cat-lead{color:var(--txt-2);font-size:16px;max-width:640px;margin-bottom:var(--sp-3);}
.hero-cta{display:flex;flex-wrap:wrap;gap:14px;margin-bottom:var(--sp-3);}
.hero-mini{display:flex;flex-wrap:wrap;gap:22px;color:var(--txt-3);font-size:13.5px;}
.hero-mini span{display:inline-flex;align-items:center;gap:8px;}
.hero-mini i{color:var(--cyan);}
/* Hero side support panel */
.sla-panel{
  border-radius:var(--radius-l);
  background:var(--glass-2);
  border:1px solid var(--line-strong);
  box-shadow:var(--shadow-m);
  padding:var(--sp-3);
  backdrop-filter:blur(14px);
}
.sla-panel h3{font-size:16px;margin:0 0 16px;color:#fff;display:flex;align-items:center;gap:10px;}
.sla-panel h3 i{color:var(--green);}
.sla-list{list-style:none;margin:0;padding:0;display:grid;gap:12px;}
.sla-list li{display:flex;justify-content:space-between;align-items:center;gap:12px;padding-bottom:12px;border-bottom:1px dashed rgba(56,189,248,.16);font-size:14px;}
.sla-list li:last-child{border-bottom:none;padding-bottom:0;}
.sla-list b{color:var(--txt);font-weight:600;}
.sla-list em{font-style:normal;color:var(--green);font-weight:700;font-size:13px;}
.channel-badges{display:grid;grid-template-columns:repeat(2,1fr);gap:10px;margin-top:18px;}
.channel-badge{
  display:flex;align-items:center;gap:10px;justify-content:center;
  background:rgba(56,189,248,.07);border:1px solid var(--line);
  border-radius:var(--radius-s);padding:10px;font-size:13px;font-weight:600;color:var(--txt-2);
}
.channel-badge i{color:var(--cyan);}
/* Section head */
.sec-head{max-width:760px;margin-bottom:var(--sp-4);}
.sec-head h2{font-size:clamp(22px,3vw,34px);margin-bottom:12px;}
.sec-head p{color:var(--txt-2);font-size:15.5px;margin:0;}
.sec-head--split{display:grid;grid-template-columns:1fr auto;gap:var(--sp-3);align-items:end;max-width:none;}
/* Metric board */
.metric-grid{display:grid;grid-template-columns:repeat(4,1fr);gap:var(--sp-3);}
.metric-card{
  background:var(--glass);
  border:1px solid var(--line);
  border-radius:var(--radius-m);
  padding:var(--sp-3);
  transition:.28s ease;
}
.metric-card:hover{border-color:var(--line-strong);transform:translateY(-4px);box-shadow:var(--shadow-glow);}
.metric-card .num{font-size:clamp(24px,3vw,34px);font-weight:800;background:linear-gradient(120deg,#60a5fa,#38bdf8);-webkit-background-clip:text;background-clip:text;color:transparent;}
.metric-card .lbl{font-size:13.5px;color:var(--txt-3);margin-top:6px;}
.metric-card i{font-size:18px;color:var(--cyan);margin-bottom:12px;display:inline-block;}
/* Support matrix */
.matrix-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:var(--sp-3);}
.matrix-card{
  background:var(--glass);
  border:1px solid var(--line);
  border-radius:var(--radius-m);
  padding:var(--sp-3);
  display:flex;flex-direction:column;gap:12px;
  transition:.28s ease;
}
.matrix-card:hover{border-color:var(--line-strong);background:var(--glass-2);transform:translateY(-4px);}
.matrix-ico{
  width:52px;height:52px;border-radius:14px;display:grid;place-items:center;
  background:rgba(56,189,248,.12);border:1px solid var(--line-strong);color:var(--cyan);font-size:20px;
}
.matrix-card h3{font-size:17px;margin:0;}
.matrix-card p{font-size:14.5px;color:var(--txt-2);margin:0;}
.matrix-card ul{margin:0;padding-left:18px;font-size:14px;color:var(--txt-3);}
.matrix-card ul li{margin-bottom:4px;}
/* Result compare */
.compare{display:grid;grid-template-columns:1fr 1fr;gap:var(--sp-3);}
.compare-col{border-radius:var(--radius-m);padding:var(--sp-3);border:1px solid var(--line);}
.compare-col--bad{background:rgba(244,63,94,.06);border-color:rgba(244,63,94,.28);}
.compare-col--good{background:rgba(52,211,153,.07);border-color:rgba(52,211,153,.32);}
.compare-col h3{font-size:16px;display:flex;align-items:center;gap:10px;margin:0 0 14px;}
.compare-col--bad h3 i{color:var(--red);}
.compare-col--good h3 i{color:var(--green);}
.compare-col ul{list-style:none;margin:0;padding:0;display:grid;gap:10px;font-size:14.5px;color:var(--txt-2);}
.compare-col ul li{display:flex;gap:10px;align-items:flex-start;}
.compare-col--bad ul li i{color:var(--red);margin-top:4px;}
.compare-col--good ul li i{color:var(--green);margin-top:4px;}
/* Timeline */
.timeline{display:grid;gap:0;position:relative;padding-left:26px;}
.timeline::before{content:"";position:absolute;left:8px;top:6px;bottom:6px;width:2px;background:linear-gradient(180deg,var(--cyan),rgba(56,189,248,.05));}
.tl-item{position:relative;padding:0 0 var(--sp-4) 0;}
.tl-item:last-child{padding-bottom:0;}
.tl-item::before{content:"";position:absolute;left:-26px;top:4px;width:14px;height:14px;border-radius:50%;background:var(--bg-0);border:3px solid var(--cyan);box-shadow:0 0 12px rgba(56,189,248,.7);}
.tl-item h3{font-size:16.5px;margin:0 0 6px;}
.tl-item p{font-size:14.5px;color:var(--txt-2);margin:0;}
.tl-item .step{font-size:12px;font-weight:700;letter-spacing:.12em;text-transform:uppercase;color:var(--gold);display:block;margin-bottom:4px;}
/* Info list */
.info-list{display:grid;grid-template-columns:repeat(2,1fr);gap:var(--sp-3);}
.info-item{
  background:var(--glass);
  border:1px solid var(--line);
  border-radius:var(--radius-m);
  overflow:hidden;
  display:flex;flex-direction:column;
  transition:.28s ease;
}
.info-item:hover{border-color:var(--line-strong);transform:translateY(-4px);box-shadow:var(--shadow-m);}
.info-item img{height:180px;width:100%;object-fit:cover;}
.info-body{padding:var(--sp-3);display:flex;flex-direction:column;gap:10px;flex:1;}
.tagline-row{display:flex;flex-wrap:wrap;gap:8px;}
.tag{font-size:11.5px;font-weight:700;letter-spacing:.08em;text-transform:uppercase;padding:5px 11px;border-radius:999px;background:rgba(56,189,248,.12);border:1px solid var(--line-strong);color:var(--cyan);}
.tag--gold{background:rgba(250,204,21,.12);border-color:rgba(250,204,21,.4);color:var(--gold);}
.info-body h3{font-size:16.5px;margin:0;line-height:1.4;}
.info-body p{font-size:14px;color:var(--txt-2);margin:0;flex:1;}
.info-meta{font-size:12.5px;color:var(--txt-3);display:flex;gap:14px;flex-wrap:wrap;}
.more-wrap{margin-top:var(--sp-4);text-align:left;}
/* Guarantee */
.guarantee-grid{display:grid;grid-template-columns:repeat(4,1fr);gap:var(--sp-3);}
.guarantee-card{
  background:var(--glass);
  border:1px solid var(--line);
  border-radius:var(--radius-m);
  padding:var(--sp-3);
  text-align:left;
  transition:.28s ease;
}
.guarantee-card:hover{border-color:var(--line-strong);box-shadow:var(--shadow-glow);transform:translateY(-4px);}
.guarantee-card i{font-size:22px;color:var(--gold);margin-bottom:14px;display:inline-block;}
.guarantee-card h3{font-size:15.5px;margin:0 0 8px;}
.guarantee-card p{font-size:14px;color:var(--txt-2);margin:0;}
/* Quick answer */
.qa-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:var(--sp-3);}
.qa-card{
  border-left:3px solid var(--cyan);
  background:linear-gradient(90deg,rgba(56,189,248,.08),rgba(56,189,248,.01));
  border-radius:0 var(--radius-m) var(--radius-m) 0;
  padding:var(--sp-3);
}
.qa-card h3{font-size:15.5px;margin:0 0 8px;}
.qa-card p{font-size:14px;color:var(--txt-2);margin:0;}
/* FAQ */
.faq-wrap{display:grid;gap:14px;max-width:900px;}
.faq-item{
  background:var(--glass);
  border:1px solid var(--line);
  border-radius:var(--radius-m);
  overflow:hidden;
}
.faq-item summary{
  cursor:pointer;list-style:none;padding:18px 22px;
  font-size:16px;font-weight:600;color:var(--txt);
  display:flex;align-items:center;justify-content:space-between;gap:14px;
}
.faq-item summary::-webkit-details-marker{display:none;}
.faq-item summary i{color:var(--cyan);transition:.3s ease;}
.faq-item[open] summary i{transform:rotate(45deg);}
.faq-item[open]{border-color:var(--line-strong);}
.faq-item p{margin:0;padding:0 22px 20px;font-size:14.5px;color:var(--txt-2);}
/* Convert form */
.convert{
  border-radius:var(--radius-xl);
  background:linear-gradient(140deg,rgba(13,28,58,.92),rgba(3,7,18,.92)),url('/assets/images/0ce50a42eaaadaba.jpg') center/cover no-repeat;
  border:1px solid var(--line-strong);
  padding:var(--sp-5);
  box-shadow:var(--shadow-m);
}
.convert-grid{display:grid;grid-template-columns:1fr 1fr;gap:var(--sp-5);align-items:center;}
.convert h2{font-size:clamp(22px,3vw,32px);margin-bottom:14px;}
.convert p{color:var(--txt-2);font-size:15px;margin-bottom:var(--sp-3);}
.convert-list{list-style:none;margin:0 0 var(--sp-3);padding:0;display:grid;gap:10px;font-size:14.5px;color:var(--txt-2);}
.convert-list li{display:flex;gap:10px;align-items:flex-start;}
.convert-list i{color:var(--green);margin-top:4px;}
.support-form{
  background:var(--glass-2);
  border:1px solid var(--line);
  border-radius:var(--radius-l);
  padding:var(--sp-3);
}
.support-form h3{font-size:17px;margin:0 0 16px;}
.form-row{display:grid;gap:12px;margin-bottom:14px;}
.form-row label{font-size:13px;font-weight:600;color:var(--txt-3);text-transform:uppercase;letter-spacing:.06em;margin-bottom:6px;display:block;}
.form-row input,.form-row select,.form-row textarea{
  width:100%;padding:12px 14px;border-radius:var(--radius-s);
  background:rgba(3,7,18,.7);border:1px solid var(--line);
  color:var(--txt);font-size:14.5px;font-family:inherit;
  transition:.22s ease;
}
.form-row input:focus,.form-row select:focus,.form-row textarea:focus{
  outline:none;border-color:var(--cyan);box-shadow:0 0 0 3px rgba(56,189,248,.18);
}
.form-note{font-size:12.5px;color:var(--txt-3);margin-top:12px;}
/* FAB */
.fab-cf{
  position:fixed;left:16px;bottom:96px;z-index:50;
  width:56px;height:56px;border-radius:50%;
  display:grid;place-items:center;
  background:linear-gradient(140deg,#0b2e1e,#081229);
  border:2px solid var(--gold);
  color:var(--gold);font-size:20px;
  box-shadow:0 6px 25px rgba(250,204,21,.35);
  transition:.28s ease;
  animation:floaty 3.4s ease-in-out infinite;
}
.fab-cf:hover{transform:scale(1.1) rotate(360deg);opacity:1;color:var(--gold);}
.fab-cf:active{transform:scale(.95) translateY(4px);}
.fab-cf .dot{position:absolute;top:4px;right:4px;width:12px;height:12px;border-radius:50%;background:#dc2626;border:2px solid #fff;}
@keyframes floaty{0%,100%{transform:translateY(0);}50%{transform:translateY(-6px);}}
/* FOOTER */
.site-footer{
  background:linear-gradient(180deg,rgba(3,7,18,.6),rgba(2,6,16,.98));
  border-top:1px solid var(--line);
  padding:var(--sp-5) 0 var(--sp-3);
  margin-top:var(--sp-5);
}
.footer-grid{display:grid;grid-template-columns:1.4fr 1fr 1fr 1fr;gap:var(--sp-4);}
.footer-brand{display:flex;align-items:center;gap:12px;margin-bottom:14px;}
.footer-brand img{width:44px;height:44px;border-radius:12px;object-fit:cover;border:1px solid var(--line-strong);}
.site-footer p{font-size:14px;color:var(--txt-3);line-height:1.7;margin:0;}
.site-footer h4{font-size:14px;color:#fff;margin:0 0 16px;letter-spacing:.04em;}
.site-footer ul{list-style:none;margin:0;padding:0;display:grid;gap:10px;}
.site-footer ul a{font-size:14px;color:var(--txt-3);}
.site-footer ul a:hover{color:var(--cyan);}
.footer-bottom{
  margin-top:var(--sp-4);padding-top:var(--sp-3);
  border-top:1px solid var(--line);
  display:flex;justify-content:space-between;gap:14px;flex-wrap:wrap;
  font-size:13px;color:var(--txt-3);
}
.responsible{display:inline-flex;align-items:center;gap:8px;}
.responsible i{color:var(--gold);}
/* RESPONSIVE */
@media (max-width:1024px){
  .hero-grid,.cat-hero-grid{grid-template-columns:1fr;gap:var(--sp-4);}
  .metric-grid{grid-template-columns:repeat(2,1fr);}
  .matrix-grid{grid-template-columns:repeat(2,1fr);}
  .guarantee-grid{grid-template-columns:repeat(2,1fr);}
  .qa-grid{grid-template-columns:1fr;}
  .info-list{grid-template-columns:1fr;}
  .compare{grid-template-columns:1fr;}
  .convert-grid{grid-template-columns:1fr;}
  .footer-grid{grid-template-columns:1fr 1fr;}
}
@media (max-width:860px){
  .main-nav,.nav-cta{display:none;}
  .nav-toggle{display:grid;place-items:center;margin-left:auto;}
  .mobile-nav.open{display:block;}
  .metric-grid,.matrix-grid,.guarantee-grid{grid-template-columns:1fr;}
  .channel-badges{grid-template-columns:1fr;}
  .sec-head--split{grid-template-columns:1fr;align-items:start;}
}
@media (max-width:520px){
  .section{padding:var(--sp-5) 0;}
  .footer-grid{grid-template-columns:1fr;}
  .footer-bottom{flex-direction:column;}
  .btn-cf{width:100%;}
  .hero-cta{flex-direction:column;}
}

/* roulang: framework shim */
/* 覆盖 Bootstrap 等对 a/btn 的全局默认，避免导航出现下划线/蓝链 */
.site-header a,.site-header a:hover,.navbar a,.navbar a:hover,.nav-links a,.nav-links a:hover,header nav a,header nav a:hover{text-decoration:none}
.site-header .btn,.navbar .btn,.nav-cta{text-decoration:none}