/* roulang page: index */
:root{
  --bg:#030712;
  --bg-2:#081229;
  --bg-3:#0a1830;
  --panel:rgba(11,22,44,.72);
  --panel-2:rgba(14,26,52,.86);
  --blue:#2563EB;
  --blue-deep:#1D4ED8;
  --cyan:#38BDF8;
  --holo:#60A5FA;
  --text:#F8FAFC;
  --muted:#94A3B8;
  --muted-2:#64748B;
  --line:rgba(56,189,248,.20);
  --line-soft:rgba(148,163,184,.16);
  --r-xl:24px;
  --r-lg:18px;
  --r-md:14px;
  --r-sm:10px;
  --shadow:0 22px 48px -26px rgba(2,8,26,.95);
  --glow:0 0 26px rgba(37,99,235,.45);
  --glow-cyan:0 0 22px rgba(56,189,248,.38);
  --max:1200px;
}

*,*::before,*::after{box-sizing:border-box;}
html{scroll-behavior:smooth;-webkit-text-size-adjust:100%;}
body{
  margin:0;
  background:
    radial-gradient(1100px 620px at 12% -6%, rgba(37,99,235,.20), transparent 62%),
    radial-gradient(900px 560px at 96% 4%, rgba(56,189,248,.13), transparent 60%),
    linear-gradient(180deg,#030712 0%,#05101f 40%,#030712 100%);
  color:var(--text);
  font-family:"Inter","Segoe UI",Roboto,"Helvetica Neue",Arial,"Noto Sans",sans-serif;
  font-size:16px;
  line-height:1.65;
  letter-spacing:.1px;
  overflow-x:hidden;
}
img{max-width:100%;height:auto;display:block;}
a{color:var(--cyan);text-decoration:none;transition:color .22s ease,opacity .22s ease;}
a:hover{color:var(--holo);}
h1,h2,h3,h4,h5{margin:0 0 .6rem;font-weight:800;line-height:1.25;letter-spacing:-.2px;}
p{margin:0 0 1rem;color:var(--muted);}
ul{margin:0;padding:0;list-style:none;}
button,input,select,textarea{font:inherit;color:inherit;}
:focus-visible{outline:2px solid var(--cyan);outline-offset:3px;border-radius:6px;}

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

/* ============ HEADER ============ */
.site-header{
  position:fixed;top:0;left:0;right:0;z-index:1000;
  background:rgba(3,7,18,.82);
  backdrop-filter:blur(16px);
  -webkit-backdrop-filter:blur(16px);
  border-bottom:1px solid var(--line-soft);
  transition:background .3s ease,border-color .3s ease;
}
.site-header.is-scrolled{background:rgba(3,7,18,.94);border-bottom-color:var(--line);}
.header-inner{display:flex;align-items:center;gap:18px;min-height:74px;}
.brand{display:flex;flex-direction:column;gap:2px;flex-shrink:0;}
.brand-mark{
  font-size:1.32rem;font-weight:900;letter-spacing:-.5px;
  background:linear-gradient(92deg,#60A5FA 0%,#38BDF8 45%,#2563EB 100%);
  -webkit-background-clip:text;background-clip:text;color:transparent;
  line-height:1.1;
}
.brand-sub{font-size:.66rem;text-transform:uppercase;letter-spacing:1.4px;color:var(--muted-2);font-weight:600;}
.main-nav{margin-left:auto;}
.nav-list{display:flex;align-items:center;gap:4px;}
.nav-list a{
  display:inline-block;padding:9px 14px;border-radius:var(--r-sm);
  font-size:.9rem;font-weight:600;color:var(--muted);
}
.nav-list a:hover{color:var(--text);background:rgba(56,189,248,.09);}
.nav-list a.active{color:var(--text);background:rgba(37,99,235,.22);box-shadow:inset 0 0 0 1px rgba(56,189,248,.32);}
.header-actions{display:flex;align-items:center;gap:10px;flex-shrink:0;}
.btn-ghost{
  padding:9px 16px;border-radius:var(--r-sm);border:1px solid rgba(96,165,250,.45);
  color:var(--holo);font-weight:700;font-size:.86rem;background:transparent;
}
.btn-ghost:hover{color:#fff;border-color:var(--cyan);background:rgba(56,189,248,.10);}
.btn-neon{
  padding:10px 20px;border-radius:var(--r-sm);border:none;
  background:linear-gradient(96deg,#2563EB 0%,#38BDF8 100%);
  color:#031024;font-weight:800;font-size:.86rem;
  box-shadow:0 0 15px rgba(56,189,248,.40);
  transition:transform .2s ease,box-shadow .25s ease;
  display:inline-block;
}
.btn-neon:hover{color:#031024;transform:translateY(-2px);box-shadow:0 0 26px rgba(56,189,248,.62);}
.nav-toggle{
  display:none;width:44px;height:44px;border-radius:var(--r-sm);
  border:1px solid var(--line);background:rgba(11,22,44,.7);color:var(--text);
  font-size:1.05rem;cursor:pointer;align-items:center;justify-content:center;
}
.nav-toggle:hover{border-color:var(--cyan);color:var(--cyan);}

/* ============ HERO ============ */
.hero{position:relative;margin-top:74px;overflow:hidden;}
.hero-media{
  position:absolute;inset:0;
  background:url('/assets/images/23e4313ef474785f.jpg') center/cover no-repeat;
  opacity:.34;filter:saturate(1.05);
}
.hero-media::after{
  content:"";position:absolute;inset:0;
  background:linear-gradient(180deg,rgba(3,7,18,.72) 0%,rgba(3,7,18,.92) 62%,#030712 100%);
}
.hero-inner{position:relative;z-index:2;padding:76px 0 34px;}
.hero-grid{display:grid;grid-template-columns:1.5fr .85fr;gap:40px;align-items:start;}
.eyebrow{
  display:inline-flex;align-items:center;gap:8px;
  padding:6px 14px;border-radius:999px;
  border:1px solid rgba(56,189,248,.34);
  background:rgba(37,99,235,.16);
  font-size:.72rem;font-weight:800;letter-spacing:1.3px;text-transform:uppercase;
  color:var(--cyan);margin-bottom:18px;
}
.eyebrow i{font-size:.78rem;}
.hero h1{
  font-size:clamp(1.72rem,3.4vw,2.72rem);
  line-height:1.22;margin-bottom:18px;
  background:linear-gradient(96deg,#FFFFFF 0%,#CDE7FF 52%,#60A5FA 100%);
  -webkit-background-clip:text;background-clip:text;color:transparent;
}
.hero-lead{font-size:1.02rem;line-height:1.72;color:#B9C7DB;max-width:660px;margin-bottom:26px;}
.hero-cta{display:flex;flex-wrap:wrap;gap:14px;align-items:center;}
.btn-primary-x{
  padding:14px 28px;border-radius:12px;border:none;
  background:linear-gradient(96deg,#2563EB 0%,#38BDF8 100%);
  color:#02101f;font-weight:800;font-size:.95rem;
  box-shadow:0 0 22px rgba(56,189,248,.42);
  transition:transform .2s ease,box-shadow .25s ease;display:inline-block;
}
.btn-primary-x:hover{color:#02101f;transform:translateY(-2px);box-shadow:0 0 34px rgba(56,189,248,.66);}
.btn-outline-x{
  padding:13px 26px;border-radius:12px;
  border:1px solid rgba(96,165,250,.5);color:var(--holo);
  font-weight:700;font-size:.95rem;background:rgba(11,22,44,.5);
  transition:all .22s ease;display:inline-block;
}
.btn-outline-x:hover{color:#fff;border-color:var(--cyan);background:rgba(56,189,248,.14);}

.hero-panel{
  border-radius:var(--r-xl);
  border:1px solid var(--line);
  background:linear-gradient(160deg,rgba(13,27,54,.86),rgba(6,14,32,.92));
  box-shadow:var(--shadow);
  padding:24px;
  backdrop-filter:blur(10px);
}
.hero-panel h3{font-size:.82rem;text-transform:uppercase;letter-spacing:1.5px;color:var(--muted-2);font-weight:800;margin-bottom:16px;}
.hero-panel .kv{display:flex;justify-content:space-between;align-items:center;padding:11px 0;border-bottom:1px dashed var(--line-soft);}
.hero-panel .kv:last-child{border-bottom:none;}
.hero-panel .kv span{font-size:.86rem;color:var(--muted);}
.hero-panel .kv strong{font-size:.95rem;color:var(--text);font-weight:800;}
.hero-panel .kv strong.ok{color:#4ADE80;}

.metric-strip{
  position:relative;z-index:3;
  display:grid;grid-template-columns:repeat(4,1fr);
  gap:1px;background:var(--line-soft);
  border-top:1px solid var(--line);border-bottom:1px solid var(--line-soft);
}
.metric{background:rgba(4,11,24,.86);padding:22px 18px;}
.metric b{display:block;font-size:1.6rem;font-weight:900;color:var(--cyan);line-height:1.1;letter-spacing:-.6px;}
.metric small{display:block;margin-top:6px;font-size:.78rem;color:var(--muted-2);text-transform:uppercase;letter-spacing:1px;font-weight:700;}

/* ============ SECTIONS ============ */
.sec{padding:74px 0;position:relative;}
.sec-alt{background:linear-gradient(180deg,rgba(8,18,41,.62),rgba(3,7,18,.1));border-top:1px solid var(--line-soft);border-bottom:1px solid var(--line-soft);}
.sec-head{max-width:760px;margin-bottom:38px;}
.sec-head.center{margin-left:auto;margin-right:auto;text-align:center;}
.sec-title{font-size:clamp(1.4rem,2.5vw,2rem);color:#fff;}
.sec-desc{font-size:.98rem;color:var(--muted);line-height:1.72;margin-bottom:0;}

.grid-2{display:grid;grid-template-columns:1fr 1fr;gap:26px;}
.grid-3{display:grid;grid-template-columns:repeat(3,1fr);gap:22px;}
.grid-4{display:grid;grid-template-columns:repeat(4,1fr);gap:20px;}

.glass{
  border-radius:var(--r-lg);
  border:1px solid var(--line-soft);
  background:linear-gradient(158deg,rgba(13,27,54,.68),rgba(5,12,26,.86));
  box-shadow:var(--shadow);
  padding:26px;
  transition:transform .25s ease,border-color .25s ease,box-shadow .25s ease;
}
.glass:hover{transform:translateY(-4px);border-color:var(--line);box-shadow:0 26px 54px -28px rgba(37,99,235,.7);}

.pain-item{
  display:flex;gap:16px;align-items:flex-start;
  padding:18px 0;border-bottom:1px solid var(--line-soft);
}
.pain-item:last-child{border-bottom:none;}
.pain-ico{
  flex:0 0 42px;height:42px;border-radius:12px;
  display:flex;align-items:center;justify-content:center;
  background:rgba(239,68,68,.13);border:1px solid rgba(239,68,68,.3);
  color:#F87171;font-size:1rem;
}
.pain-item h4{font-size:1rem;margin-bottom:4px;color:#fff;}
.pain-item p{font-size:.9rem;margin-bottom:0;}

.sol-card h3{font-size:1.06rem;color:#fff;margin-bottom:10px;}
.sol-card p{font-size:.9rem;margin-bottom:0;}
.sol-ico{
  width:48px;height:48px;border-radius:14px;margin-bottom:16px;
  display:flex;align-items:center;justify-content:center;font-size:1.1rem;
  background:linear-gradient(140deg,rgba(37,99,235,.32),rgba(56,189,248,.16));
  border:1px solid var(--line);color:var(--cyan);
}

.stat-card{text-align:left;padding:22px;}
.stat-card .num{
  font-size:1.9rem;font-weight:900;letter-spacing:-1px;line-height:1.1;
  background:linear-gradient(96deg,#60A5FA,#38BDF8);
  -webkit-background-clip:text;background-clip:text;color:transparent;
}
.stat-card .lbl{display:block;margin-top:8px;font-size:.84rem;color:var(--muted);}
.stat-card .tag{display:inline-block;margin-top:12px;font-size:.68rem;letter-spacing:1.2px;text-transform:uppercase;color:var(--muted-2);font-weight:800;}

.channel-card{position:relative;overflow:hidden;padding:0;display:flex;flex-direction:column;}
.channel-card img{height:168px;width:100%;object-fit:cover;opacity:.82;}
.channel-card .cc-body{padding:22px;flex:1;display:flex;flex-direction:column;}
.channel-card .cc-body h3{font-size:1.06rem;color:#fff;margin-bottom:8px;}
.channel-card .cc-body p{font-size:.88rem;margin-bottom:14px;}
.channel-card .cc-link{margin-top:auto;font-weight:800;font-size:.86rem;color:var(--cyan);display:inline-flex;gap:7px;align-items:center;}
.channel-card:hover .cc-link{color:#fff;}

.step-flow{display:grid;grid-template-columns:repeat(4,1fr);gap:20px;counter-reset:st;}
.step-item{position:relative;padding:24px 20px;}
.step-item::before{
  counter-increment:st;content:"0" counter(st);
  display:block;font-size:1.5rem;font-weight:900;letter-spacing:-1px;
  color:rgba(96,165,250,.55);margin-bottom:10px;
}
.step-item h4{font-size:.98rem;color:#fff;margin-bottom:8px;}
.step-item p{font-size:.87rem;margin-bottom:0;}
.step-item::after{
  content:"";position:absolute;top:38px;right:-11px;width:22px;height:1px;
  background:linear-gradient(90deg,rgba(56,189,248,.7),transparent);
}
.step-item:last-child::after{display:none;}

.band{display:grid;grid-template-columns:1fr 1fr;gap:44px;align-items:center;padding:34px 0;border-bottom:1px solid var(--line-soft);}
.band:last-child{border-bottom:none;}
.band.rev .band-media{order:2;}
.band-media{
  border-radius:var(--r-lg);overflow:hidden;border:1px solid var(--line);
  box-shadow:var(--shadow);position:relative;
}
.band-media img{width:100%;height:290px;object-fit:cover;}
.band-media::after{content:"";position:absolute;inset:0;background:linear-gradient(180deg,rgba(3,7,18,.06),rgba(3,7,18,.55));}
.band-body h3{font-size:1.24rem;color:#fff;margin-bottom:12px;}
.band-body p{font-size:.93rem;line-height:1.72;}
.band-list{margin-top:14px;}
.band-list li{display:flex;gap:10px;align-items:flex-start;font-size:.89rem;color:var(--muted);padding:6px 0;}
.band-list i{color:var(--cyan);margin-top:4px;}

.testi{display:flex;flex-direction:column;gap:14px;padding:24px;}
.testi-head{display:flex;align-items:center;gap:12px;}
.avatar{
  width:44px;height:44px;border-radius:50%;flex:0 0 44px;
  background:linear-gradient(140deg,#2563EB,#38BDF8);
  display:flex;align-items:center;justify-content:center;
  font-weight:900;color:#031024;font-size:.94rem;
}
.testi-head b{display:block;font-size:.94rem;color:#fff;}
.testi-head span{font-size:.76rem;color:var(--muted-2);}
.testi p{font-size:.9rem;margin:14px 0 0;line-height:1.7;}
.stars{color:#FACC15;font-size:.8rem;letter-spacing:2px;}

/* NEWS (CMS) */
.news-layout{display:grid;grid-template-columns:1.55fr .9fr;gap:30px;align-items:start;}
.news-row{
  display:grid;grid-template-columns:190px 1fr;gap:20px;
  padding:20px;border-radius:var(--r-lg);
  border:1px solid var(--line-soft);
  background:linear-gradient(158deg,rgba(13,27,54,.55),rgba(5,12,26,.8));
  margin-bottom:16px;transition:transform .24s ease,border-color .24s ease;
}
.news-row:hover{transform:translateY(-3px);border-color:var(--line);}
.news-thumb{border-radius:var(--r-md);overflow:hidden;border:1px solid var(--line-soft);}
.news-thumb img{width:100%;height:126px;object-fit:cover;}
.news-meta{font-size:.72rem;letter-spacing:1.1px;text-transform:uppercase;color:var(--cyan);font-weight:800;}
.news-row h3{font-size:1.02rem;color:#fff;margin:8px 0 8px;line-height:1.45;}
.news-row p{font-size:.86rem;margin-bottom:0;color:var(--muted);}
.news-side{padding:24px;}
.news-side h4{font-size:.82rem;text-transform:uppercase;letter-spacing:1.5px;color:var(--muted-2);font-weight:800;margin-bottom:16px;}
.side-item{display:block;padding:12px 0;border-bottom:1px dashed var(--line-soft);}
.side-item:last-child{border-bottom:none;}
.side-item b{display:block;font-size:.9rem;color:#E2E8F0;font-weight:700;line-height:1.5;transition:color .2s ease;}
.side-item:hover b{color:var(--cyan);}
.side-item span{font-size:.74rem;color:var(--muted-2);}
.cms-empty{
  padding:26px;border-radius:var(--r-lg);border:1px dashed var(--line);
  color:var(--muted);font-size:.92rem;background:rgba(11,22,44,.5);
}

.compare-wrap{overflow-x:auto;border-radius:var(--r-lg);border:1px solid var(--line-soft);}
table.cmp{width:100%;border-collapse:collapse;min-width:620px;background:rgba(6,14,32,.72);}
table.cmp th,table.cmp td{padding:16px 20px;text-align:left;font-size:.9rem;border-bottom:1px solid var(--line-soft);}
table.cmp thead th{
  font-size:.76rem;text-transform:uppercase;letter-spacing:1.2px;
  color:var(--muted-2);font-weight:800;background:rgba(9,19,40,.9);
}
table.cmp tbody td:first-child{color:#fff;font-weight:700;}
table.cmp tbody td{color:var(--muted);}
table.cmp tbody tr:last-child td{border-bottom:none;}
table.cmp tbody tr:hover{background:rgba(37,99,235,.08);}
.cell-good{color:#4ADE80 !important;font-weight:700;}

.assure-strip{
  display:grid;grid-template-columns:repeat(4,1fr);gap:18px;
}
.assure{padding:22px 20px;text-align:left;}
.assure i{font-size:1.25rem;color:var(--cyan);margin-bottom:12px;display:block;}
.assure b{display:block;font-size:.95rem;color:#fff;margin-bottom:6px;}
.assure span{font-size:.83rem;color:var(--muted);}

.timeline{position:relative;padding-left:26px;}
.timeline::before{
  content:"";position:absolute;left:6px;top:8px;bottom:8px;width:2px;
  background:linear-gradient(180deg,rgba(56,189,248,.7),rgba(37,99,235,.1));
}
.tl-item{position:relative;padding:0 0 26px 22px;}
.tl-item:last-child{padding-bottom:0;}
.tl-item::before{
  content:"";position:absolute;left:-5px;top:8px;width:12px;height:12px;border-radius:50%;
  background:#030712;border:2px solid var(--cyan);box-shadow:0 0 12px rgba(56,189,248,.6);
}
.tl-item b{display:block;font-size:.98rem;color:#fff;margin-bottom:4px;}
.tl-item p{font-size:.88rem;margin-bottom:0;}

.app-card{padding:26px;}
.app-card .idx{font-size:.74rem;letter-spacing:1.4px;text-transform:uppercase;color:var(--cyan);font-weight:800;}
.app-card h4{font-size:1.02rem;color:#fff;margin:10px 0 8px;}
.app-card p{font-size:.88rem;margin-bottom:0;}

.faq-item{
  border:1px solid var(--line-soft);border-radius:var(--r-md);
  background:rgba(8,18,41,.6);margin-bottom:12px;overflow:hidden;
}
.faq-q{
  width:100%;display:flex;justify-content:space-between;align-items:center;gap:14px;
  padding:18px 22px;background:transparent;border:none;cursor:pointer;
  text-align:left;font-size:.97rem;font-weight:700;color:#E9F2FF;
}
.faq-q i{color:var(--cyan);transition:transform .25s ease;flex-shrink:0;}
.faq-item.open .faq-q i{transform:rotate(45deg);}
.faq-a{max-height:0;overflow:hidden;transition:max-height .32s ease;}
.faq-item.open .faq-a{max-height:340px;}
.faq-a p{padding:0 22px 20px;font-size:.89rem;margin:0;line-height:1.72;}

.cta-form{
  border-radius:var(--r-xl);border:1px solid var(--line);
  background:linear-gradient(150deg,rgba(13,27,54,.86),rgba(4,10,24,.94));
  box-shadow:var(--shadow);padding:34px;
}
.form-row{display:grid;grid-template-columns:1fr 1fr;gap:18px;}
.field{margin-bottom:18px;}
.field label{display:block;font-size:.8rem;font-weight:800;letter-spacing:.6px;text-transform:uppercase;color:var(--muted-2);margin-bottom:8px;}
.field input,.field select{
  width:100%;padding:13px 16px;border-radius:var(--r-md);
  border:1px solid var(--line-soft);background:rgba(3,10,24,.8);color:var(--text);
  font-size:.92rem;transition:border-color .2s ease,box-shadow .2s ease;
}
.field input::placeholder{color:#4B5A70;}
.field input:focus,.field select:focus{
  outline:none;border-color:var(--cyan);box-shadow:0 0 0 3px rgba(56,189,248,.16);
}
.form-note{font-size:.8rem;color:var(--muted-2);margin:14px 0 0;}

.cta-banner{
  border-radius:var(--r-xl);
  background:linear-gradient(120deg,rgba(37,99,235,.28),rgba(56,189,248,.1)),url('/assets/images/12107bfa00293e50.jpg') center/cover no-repeat;
  border:1px solid var(--line);
  padding:48px 34px;text-align:center;
}
.cta-banner h2{color:#fff;font-size:clamp(1.35rem,2.5vw,1.95rem);}
.cta-banner p{max-width:640px;margin:0 auto 24px;}

/* ============ FOOTER ============ */
.site-footer{
  border-top:1px solid var(--line-soft);
  background:linear-gradient(180deg,rgba(6,14,32,.9),rgba(2,5,13,.98));
  padding:58px 0 26px;
}
.footer-grid{display:grid;grid-template-columns:1.5fr 1fr 1fr 1.1fr;gap:34px;}
.footer-brand .brand-mark{font-size:1.22rem;}
.footer-brand p{font-size:.88rem;margin-top:14px;max-width:320px;}
.footer-col h4{font-size:.8rem;text-transform:uppercase;letter-spacing:1.4px;color:#CBD5E1;font-weight:800;margin-bottom:16px;}
.footer-col li{margin-bottom:10px;}
.footer-col a{font-size:.88rem;color:var(--muted);}
.footer-col a:hover{color:var(--cyan);}
.badge-row{display:flex;flex-wrap:wrap;gap:10px;margin-top:16px;}
.badge-18{
  padding:5px 11px;border-radius:8px;border:1px solid rgba(239,68,68,.45);
  color:#F87171;font-size:.72rem;font-weight:900;letter-spacing:.6px;
}
.badge-sec{
  padding:5px 11px;border-radius:8px;border:1px solid var(--line);
  color:var(--holo);font-size:.72rem;font-weight:800;letter-spacing:.5px;
}
.footer-bottom{
  margin-top:38px;padding-top:20px;border-top:1px solid var(--line-soft);
  display:flex;justify-content:space-between;flex-wrap:wrap;gap:12px;
  font-size:.8rem;color:var(--muted-2);
}

/* ============ FAB ============ */
.fab{
  position:fixed;left:16px;bottom:96px;z-index:900;
  width:56px;height:56px;border-radius:18px;
  display:flex;align-items:center;justify-content:center;
  background:rgba(7,10,26,.82);
  backdrop-filter:blur(12px);-webkit-backdrop-filter:blur(12px);
  border:1px solid transparent;
  background-image:linear-gradient(rgba(7,10,26,.86),rgba(7,10,26,.86)),
                   linear-gradient(135deg,#A3E635,#06B6D4);
  background-origin:border-box;background-clip:padding-box,border-box;
  color:#7DD3FC;font-size:1.15rem;
  box-shadow:0 0 20px rgba(6,182,212,.45);
  animation:fabPulse 2.9s ease-in-out infinite;
  transition:transform .22s ease,box-shadow .25s ease,opacity .22s ease;
  opacity:.78;
}
.fab:hover{opacity:1;transform:scale(1.1);box-shadow:0 0 34px rgba(6,182,212,.7);}
.fab:active{transform:scale(.95) translateY(3px);}
.fab .dot{
  position:absolute;top:-3px;right:-3px;width:13px;height:13px;border-radius:50%;
  background:#F43F5E;box-shadow:0 0 0 2px #030712;
  animation:dotBlink 1.4s ease-in-out infinite;
}
@keyframes fabPulse{
  0%,100%{box-shadow:0 0 18px rgba(6,182,212,.36);}
  50%{box-shadow:0 0 30px rgba(163,230,53,.5);}
}
@keyframes dotBlink{0%,100%{opacity:1;}50%{opacity:.35;}}

/* ============ RESPONSIVE ============ */
@media (max-width:1024px){
  .hero-grid{grid-template-columns:1fr;gap:30px;}
  .grid-4{grid-template-columns:repeat(2,1fr);}
  .grid-3{grid-template-columns:repeat(2,1fr);}
  .step-flow{grid-template-columns:repeat(2,1fr);}
  .step-item::after{display:none;}
  .assure-strip{grid-template-columns:repeat(2,1fr);}
  .news-layout{grid-template-columns:1fr;}
  .footer-grid{grid-template-columns:1fr 1fr;}
  .band{grid-template-columns:1fr;gap:26px;}
  .band.rev .band-media{order:0;}
}
@media (max-width:860px){
  .main-nav{
    position:absolute;top:74px;left:0;right:0;
    background:rgba(3,8,20,.98);border-bottom:1px solid var(--line);
    max-height:0;overflow:hidden;transition:max-height .3s ease;
    margin-left:0;
  }
  .main-nav.open{max-height:420px;}
  .nav-list{flex-direction:column;align-items:stretch;padding:14px 20px 20px;gap:4px;}
  .nav-list a{padding:13px 14px;font-size:.95rem;}
  .nav-toggle{display:flex;}
  .header-inner{justify-content:space-between;}
  .main-nav{margin-left:0;}
  .btn-ghost,.btn-neon{padding:8px 13px;font-size:.78rem;}
}
@media (max-width:768px){
  .sec{padding:56px 0;}
  .metric-strip{grid-template-columns:repeat(2,1fr);}
  .grid-2,.grid-3,.grid-4{grid-template-columns:1fr;}
  .step-flow{grid-template-columns:1fr;}
  .news-row{grid-template-columns:1fr;}
  .news-thumb img{height:172px;}
  .assure-strip{grid-template-columns:1fr;}
  .form-row{grid-template-columns:1fr;}
  .footer-grid{grid-template-columns:1fr;}
  .hero-inner{padding:52px 0 26px;}
  .cta-form{padding:24px;}
}
@media (max-width:520px){
  .container{padding:0 16px;}
  .brand-sub{display:none;}
  .btn-ghost{padding:8px 11px;font-size:.74rem;}
  .btn-neon{padding:9px 13px;font-size:.74rem;}
  .hero-cta{gap:10px;}
  .btn-primary-x,.btn-outline-x{width:100%;text-align:center;}
  .metric b{font-size:1.32rem;}
  .sec-title{font-size:1.28rem;}
  .fab{left:12px;bottom:80px;width:52px;height:52px;}
}

/* roulang page: article */
:root{
  --bg:#030712;
  --bg-2:#081229;
  --bg-3:#0a1830;
  --panel:rgba(11,22,44,.72);
  --panel-2:rgba(14,26,52,.86);
  --blue:#2563EB;
  --blue-deep:#1D4ED8;
  --cyan:#38BDF8;
  --holo:#60A5FA;
  --text:#F8FAFC;
  --muted:#94A3B8;
  --muted-2:#64748B;
  --line:rgba(56,189,248,.20);
  --line-soft:rgba(148,163,184,.16);
  --r-xl:24px;
  --r-lg:18px;
  --r-md:14px;
  --r-sm:10px;
  --shadow:0 22px 48px -26px rgba(2,8,26,.95);
  --glow:0 0 26px rgba(37,99,235,.45);
  --glow-cyan:0 0 22px rgba(56,189,248,.38);
  --max:1200px;
}
*{box-sizing:border-box;}
html{scroll-behavior:smooth;-webkit-text-size-adjust:100%;}
body{
  margin:0;
  background:
    radial-gradient(1100px 620px at 12% -6%, rgba(37,99,235,.20), transparent 62%),
    radial-gradient(900px 560px at 96% 4%, rgba(56,189,248,.13), transparent 60%),
    linear-gradient(180deg,#030712 0%,#05101f 40%,#030712 100%);
  color:var(--text);
  font-family:"Inter","Segoe UI",Roboto,"Helvetica Neue",Arial,"Noto Sans",sans-serif;
  font-size:16px;
  line-height:1.65;
  letter-spacing:.1px;
  overflow-x:hidden;
}
img{max-width:100%;height:auto;display:block;}
a{color:var(--cyan);text-decoration:none;transition:color .22s ease,opacity .22s ease;}
a:hover{color:var(--holo);}
button,input,select,textarea{font:inherit;color:inherit;}
h1,h2,h3,h4{margin:0;line-height:1.28;font-weight:800;}
p{margin:0;}
ul{margin:0;padding:0;list-style:none;}
.container{width:100%;max-width:var(--max);margin:0 auto;padding:0 20px;}
:focus-visible{outline:2px solid var(--cyan);outline-offset:2px;border-radius:6px;}

/* ============ HEADER ============ */
.site-header{
  position:fixed;top:0;left:0;right:0;z-index:1000;
  background:rgba(3,7,18,.82);
  backdrop-filter:blur(16px);
  -webkit-backdrop-filter:blur(16px);
  border-bottom:1px solid var(--line-soft);
  transition:background .3s ease,border-color .3s ease;
}
.site-header.is-scrolled{background:rgba(3,7,18,.94);border-bottom-color:var(--line);}
.header-inner{display:flex;align-items:center;gap:18px;min-height:74px;position:relative;}
.brand{display:flex;flex-direction:column;gap:2px;flex-shrink:0;}
.brand-mark{
  font-size:1.32rem;font-weight:900;letter-spacing:-.5px;
  background:linear-gradient(92deg,#60A5FA 0%,#38BDF8 45%,#2563EB 100%);
  -webkit-background-clip:text;background-clip:text;color:transparent;
  line-height:1.1;
}
.brand-sub{font-size:.66rem;text-transform:uppercase;letter-spacing:1.4px;color:var(--muted-2);font-weight:600;}
.main-nav{margin-left:auto;}
.nav-list{display:flex;align-items:center;gap:4px;}
.nav-list a{
  display:inline-block;padding:9px 14px;border-radius:var(--r-sm);
  font-size:.9rem;font-weight:600;color:var(--muted);
}
.nav-list a:hover{color:var(--text);background:rgba(56,189,248,.09);}
.nav-list a.active{color:var(--text);background:rgba(37,99,235,.22);box-shadow:inset 0 0 0 1px rgba(56,189,248,.32);}
.header-actions{display:flex;align-items:center;gap:10px;flex-shrink:0;}
.btn-ghost{
  padding:9px 16px;border-radius:var(--r-sm);border:1px solid rgba(96,165,250,.45);
  color:var(--holo);font-weight:700;font-size:.86rem;background:transparent;
}
.btn-ghost:hover{color:#fff;border-color:var(--cyan);background:rgba(56,189,248,.10);}
.btn-neon{
  padding:10px 20px;border-radius:var(--r-sm);border:none;
  background:linear-gradient(96deg,#2563EB 0%,#38BDF8 100%);
  color:#031024;font-weight:800;font-size:.86rem;
  box-shadow:0 0 15px rgba(56,189,248,.40);
  transition:transform .2s ease,box-shadow .25s ease;
  display:inline-block;
}
.btn-neon:hover{color:#031024;transform:translateY(-2px);box-shadow:0 0 26px rgba(56,189,248,.62);}
.nav-toggle{
  display:none;width:44px;height:44px;border-radius:var(--r-sm);
  border:1px solid var(--line);background:rgba(11,22,44,.7);color:var(--text);
  font-size:1.05rem;cursor:pointer;align-items:center;justify-content:center;
}
.nav-toggle:hover{border-color:var(--cyan);color:var(--cyan);}

/* ============ POST HERO ============ */
.post-hero{position:relative;margin-top:74px;overflow:hidden;border-bottom:1px solid var(--line-soft);}
.post-hero-media{
  position:absolute;inset:0;
  background:url('/assets/images/12107bfa00293e50.jpg') center/cover no-repeat;
  opacity:.30;
}
.post-hero-media::after{
  content:"";position:absolute;inset:0;
  background:linear-gradient(100deg,rgba(3,7,18,.96) 0%,rgba(4,12,28,.88) 46%,rgba(3,7,18,.70) 100%);
}
.post-hero-inner{position:relative;z-index:2;padding:56px 0 44px;}
.crumb{display:flex;flex-wrap:wrap;align-items:center;gap:8px;font-size:.78rem;color:var(--muted-2);margin-bottom:20px;}
.crumb a{color:var(--muted);}
.crumb a:hover{color:var(--cyan);}
.crumb i{font-size:.6rem;}
.cat-chip{
  display:inline-flex;align-items:center;gap:7px;
  padding:6px 14px;border-radius:999px;
  border:1px solid rgba(56,189,248,.36);
  background:rgba(37,99,235,.18);
  font-size:.72rem;font-weight:800;letter-spacing:1.2px;text-transform:uppercase;
  color:var(--cyan);margin-bottom:18px;
}
.post-hero h1{
  font-size:clamp(1.62rem,3.2vw,2.55rem);
  line-height:1.25;max-width:900px;
  background:linear-gradient(96deg,#FFFFFF 0%,#CDE7FF 55%,#60A5FA 100%);
  -webkit-background-clip:text;background-clip:text;color:transparent;
}
.post-meta{display:flex;flex-wrap:wrap;gap:22px;margin-top:22px;font-size:.84rem;color:var(--muted);}
.post-meta span{display:inline-flex;align-items:center;gap:8px;}
.post-meta i{color:var(--cyan);}

/* ============ LAYOUT ============ */
.section{padding:66px 0;}
.section-tight{padding:46px 0;}
.section-alt{background:linear-gradient(180deg,rgba(8,18,41,0) 0%,rgba(8,18,41,.55) 50%,rgba(8,18,41,0) 100%);}
.sec-head{max-width:760px;margin-bottom:34px;}
.sec-label{
  display:inline-block;font-size:.7rem;font-weight:800;letter-spacing:1.6px;
  text-transform:uppercase;color:var(--cyan);margin-bottom:12px;
}
.sec-head h2{font-size:clamp(1.35rem,2.4vw,1.9rem);color:#fff;margin-bottom:12px;}
.sec-head p{color:var(--muted);font-size:.96rem;line-height:1.72;}

.post-layout{display:grid;grid-template-columns:minmax(0,1fr) 336px;gap:38px;align-items:start;}
.post-main{
  background:linear-gradient(165deg,rgba(11,22,44,.66),rgba(6,13,30,.82));
  border:1px solid var(--line-soft);
  border-radius:var(--r-xl);
  padding:34px 32px;
  box-shadow:var(--shadow);
}
.article-body{font-size:1.02rem;line-height:1.78;color:#C6D2E2;}
.article-body > *:first-child{margin-top:0;}
.article-body h2{
  font-size:1.42rem;color:#fff;margin:38px 0 14px;padding-left:14px;
  border-left:3px solid var(--cyan);
}
.article-body h3{font-size:1.14rem;color:#fff;margin:28px 0 10px;}
.article-body h4{font-size:1rem;color:#E2E8F0;margin:22px 0 8px;}
.article-body p{margin:0 0 16px;}
.article-body ul,.article-body ol{padding-left:22px;margin:0 0 18px;list-style:revert;}
.article-body li{margin-bottom:9px;}
.article-body strong{color:#fff;}
.article-body em{color:#DBEAFE;}
.article-body a{color:var(--cyan);border-bottom:1px dashed rgba(56,189,248,.5);}
.article-body blockquote{
  margin:24px 0;padding:18px 22px;border-left:3px solid var(--blue);
  background:rgba(37,99,235,.12);border-radius:0 var(--r-md) var(--r-md) 0;color:#DBEAFE;
}
.article-body img{border-radius:var(--r-lg);margin:22px 0;border:1px solid var(--line);}
.article-body table{width:100%;border-collapse:collapse;margin:22px 0;font-size:.92rem;}
.article-body th,.article-body td{padding:11px 14px;border:1px solid var(--line-soft);text-align:left;}
.article-body th{background:rgba(37,99,235,.18);color:#fff;font-weight:700;}
.article-body tr:nth-child(even) td{background:rgba(11,22,44,.42);}
.empty-note{
  border:1px dashed var(--line);border-radius:var(--r-lg);
  padding:34px 26px;text-align:center;background:rgba(11,22,44,.5);
}
.empty-note strong{display:block;font-size:1.1rem;color:#fff;margin-bottom:10px;}
.empty-note p{color:var(--muted);margin-bottom:18px;}
.empty-note a{
  display:inline-block;padding:11px 24px;border-radius:var(--r-sm);
  background:linear-gradient(96deg,#2563EB,#38BDF8);color:#031024;font-weight:800;border:none;
}

/* aside */
.post-aside{position:sticky;top:96px;display:flex;flex-direction:column;gap:18px;}
.aside-card{
  border:1px solid var(--line-soft);
  border-radius:var(--r-lg);
  background:linear-gradient(160deg,rgba(13,27,54,.80),rgba(6,14,32,.90));
  padding:22px;
}
.aside-card h3{
  font-size:.74rem;letter-spacing:1.5px;text-transform:uppercase;
  color:var(--muted-2);font-weight:800;margin-bottom:16px;
}
.aside-list li{
  display:flex;justify-content:space-between;gap:12px;
  padding:10px 0;border-bottom:1px dashed var(--line-soft);font-size:.86rem;
}
.aside-list li:last-child{border-bottom:none;}
.aside-list span{color:var(--muted);}
.aside-list strong{color:#fff;font-weight:800;text-align:right;}
.aside-list strong.ok{color:#4ADE80;}
.aside-cta p{color:var(--muted);font-size:.86rem;line-height:1.7;margin-bottom:16px;}
.aside-cta .btn-neon{display:block;text-align:center;padding:12px 18px;font-size:.9rem;}

/* ============ PULLQUOTE ============ */
.pullquote{
  position:relative;overflow:hidden;
  border-top:1px solid var(--line-soft);
  border-bottom:1px solid var(--line-soft);
  background:linear-gradient(100deg,rgba(37,99,235,.16),rgba(3,7,18,.20));
}
.pullquote::before{
  content:"";position:absolute;left:0;top:0;bottom:0;width:5px;
  background:linear-gradient(180deg,#2563EB,#38BDF8);
}
.pullquote-inner{padding:44px 0 44px 30px;}
.pullquote i.q{display:block;font-size:1.5rem;color:rgba(56,189,248,.55);margin-bottom:14px;}
.pullquote p{
  font-size:clamp(1.05rem,2vw,1.32rem);line-height:1.66;color:#E6F0FF;
  font-weight:600;max-width:880px;
}
.pullquote cite{display:block;margin-top:16px;font-style:normal;font-size:.82rem;color:var(--muted);letter-spacing:.6px;}

/* ============ GRIDS / CARDS ============ */
.grid-4{display:grid;grid-template-columns:repeat(4,minmax(0,1fr));gap:18px;}
.grid-3{display:grid;grid-template-columns:repeat(3,minmax(0,1fr));gap:18px;}
.grid-2{display:grid;grid-template-columns:repeat(2,minmax(0,1fr));gap:18px;}

.glass-card{
  border:1px solid var(--line-soft);
  border-radius:var(--r-lg);
  background:linear-gradient(160deg,rgba(13,27,54,.72),rgba(6,14,32,.86));
  padding:24px;
  transition:transform .24s ease,border-color .24s ease,box-shadow .24s ease;
}
.glass-card:hover{
  transform:translateY(-4px);
  border-color:rgba(56,189,248,.42);
  box-shadow:0 18px 40px -24px rgba(56,189,248,.55);
}
.glass-card .ico{
  width:46px;height:46px;border-radius:13px;display:flex;align-items:center;justify-content:center;
  background:linear-gradient(140deg,rgba(37,99,235,.42),rgba(56,189,248,.30));
  border:1px solid rgba(56,189,248,.34);
  color:#BFE3FF;font-size:1.12rem;margin-bottom:16px;
}
.glass-card h3{font-size:1.02rem;color:#fff;margin-bottom:9px;}
.glass-card p{font-size:.88rem;color:var(--muted);line-height:1.7;}
.glass-card .tagline{
  display:inline-block;margin-top:14px;font-size:.72rem;font-weight:800;letter-spacing:1.1px;
  text-transform:uppercase;color:var(--cyan);
}

/* ============ STATS ============ */
.stat-strip{
  display:grid;grid-template-columns:repeat(4,minmax(0,1fr));
  border:1px solid var(--line);border-radius:var(--r-xl);overflow:hidden;
  background:linear-gradient(160deg,rgba(13,27,54,.78),rgba(5,12,28,.90));
}
.stat-cell{padding:26px 22px;border-right:1px solid var(--line-soft);}
.stat-cell:last-child{border-right:none;}
.stat-cell b{
  display:block;font-size:clamp(1.5rem,3vw,2.05rem);font-weight:900;letter-spacing:-.6px;
  background:linear-gradient(94deg,#60A5FA,#38BDF8);-webkit-background-clip:text;background-clip:text;color:transparent;
}
.stat-cell span{display:block;margin-top:8px;font-size:.83rem;color:var(--muted);line-height:1.6;}

/* ============ TIMELINE ============ */
.timeline{position:relative;padding-left:26px;}
.timeline::before{
  content:"";position:absolute;left:6px;top:8px;bottom:8px;width:2px;
  background:linear-gradient(180deg,#38BDF8,rgba(37,99,235,.10));
}
.tl-item{position:relative;padding:0 0 30px 22px;}
.tl-item:last-child{padding-bottom:0;}
.tl-item::before{
  content:"";position:absolute;left:-26px;top:7px;width:13px;height:13px;border-radius:50%;
  background:#030712;border:2px solid var(--cyan);box-shadow:0 0 12px rgba(56,189,248,.7);
}
.tl-item h3{font-size:1rem;color:#fff;margin-bottom:7px;}
.tl-item p{font-size:.89rem;color:var(--muted);line-height:1.72;}
.tl-item .step{
  display:inline-block;font-size:.68rem;font-weight:800;letter-spacing:1.4px;text-transform:uppercase;
  color:var(--holo);margin-bottom:7px;
}

/* ============ FAQ ============ */
.faq-wrap{max-width:900px;}
.faq-item{
  border:1px solid var(--line-soft);border-radius:var(--r-md);
  background:rgba(11,22,44,.55);margin-bottom:12px;overflow:hidden;
  transition:border-color .22s ease,background .22s ease;
}
.faq-item[open]{border-color:rgba(56,189,248,.42);background:rgba(13,27,54,.72);}
.faq-item summary{
  cursor:pointer;list-style:none;padding:18px 22px;
  display:flex;align-items:flex-start;gap:14px;
  font-size:.97rem;font-weight:700;color:#EAF2FF;
}
.faq-item summary::-webkit-details-marker{display:none;}
.faq-item summary::after{
  content:"\f067";font-family:"Font Awesome 6 Free";font-weight:900;
  margin-left:auto;color:var(--cyan);font-size:.8rem;transition:transform .25s ease;
}
.faq-item[open] summary::after{transform:rotate(45deg);}
.faq-item .faq-body{padding:0 22px 20px 22px;font-size:.9rem;color:var(--muted);line-height:1.76;}

/* ============ CTA BAND ============ */
.cta-band{
  position:relative;overflow:hidden;
  border-radius:var(--r-xl);
  border:1px solid rgba(56,189,248,.30);
  background:
    radial-gradient(700px 320px at 12% 0%, rgba(37,99,235,.34), transparent 62%),
    linear-gradient(140deg,rgba(13,27,54,.94),rgba(4,10,24,.96));
  padding:44px 38px;
  box-shadow:var(--shadow);
}
.cta-band h2{font-size:clamp(1.28rem,2.4vw,1.78rem);color:#fff;margin-bottom:14px;max-width:720px;}
.cta-band p{color:var(--muted);font-size:.95rem;line-height:1.74;max-width:700px;margin-bottom:26px;}
.cta-actions{display:flex;flex-wrap:wrap;gap:14px;}
.btn-primary-x{
  padding:14px 28px;border-radius:12px;border:none;
  background:linear-gradient(96deg,#2563EB 0%,#38BDF8 100%);
  color:#02101f;font-weight:800;font-size:.95rem;
  box-shadow:0 0 22px rgba(56,189,248,.42);
  transition:transform .2s ease,box-shadow .25s ease;display:inline-block;
}
.btn-primary-x:hover{color:#02101f;transform:translateY(-2px);box-shadow:0 0 34px rgba(56,189,248,.66);}
.btn-outline-x{
  padding:13px 26px;border-radius:12px;
  border:1px solid rgba(96,165,250,.5);color:var(--holo);
  font-weight:700;font-size:.95rem;background:rgba(11,22,44,.5);
  transition:all .22s ease;display:inline-block;
}
.btn-outline-x:hover{color:#fff;border-color:var(--cyan);background:rgba(56,189,248,.14);}

/* ============ FAB ============ */
.fab{
  position:fixed;left:1rem;bottom:6rem;z-index:50;
  width:56px;height:56px;border-radius:50%;
  display:flex;align-items:center;justify-content:center;
  background:linear-gradient(150deg,rgba(9,18,38,.92),rgba(19,38,74,.94));
  border:2px solid rgba(56,189,248,.72);
  color:#BFE3FF;font-size:1.24rem;
  box-shadow:0 0 20px rgba(56,189,248,.45);
  transition:transform .25s ease,box-shadow .25s ease,opacity .25s ease;
  opacity:.85;
}
.fab:hover{transform:scale(1.09);opacity:1;color:#fff;box-shadow:0 0 32px rgba(56,189,248,.72);}
.fab:active{transform:scale(.94);}
.fab .dot{
  position:absolute;top:2px;right:2px;width:12px;height:12px;border-radius:50%;
  background:#DC2626;box-shadow:0 0 0 2px #030712;
}

/* ============ FOOTER ============ */
.site-footer{
  border-top:1px solid var(--line-soft);
  background:linear-gradient(180deg,rgba(4,10,24,.60),rgba(3,7,18,.98));
  padding:56px 0 26px;margin-top:20px;
}
.footer-grid{display:grid;grid-template-columns:1.5fr 1fr 1fr 1fr;gap:34px;}
.footer-brand .brand-mark{font-size:1.2rem;display:inline-block;margin-bottom:14px;}
.footer-brand p{font-size:.88rem;color:var(--muted);line-height:1.78;max-width:360px;}
.badge-row{display:flex;flex-wrap:wrap;gap:9px;margin-top:18px;}
.badge-18{
  display:inline-flex;align-items:center;padding:5px 12px;border-radius:8px;
  background:rgba(220,38,38,.18);border:1px solid rgba(220,38,38,.5);
  color:#FCA5A5;font-size:.72rem;font-weight:800;letter-spacing:1px;
}
.badge-sec{
  display:inline-flex;align-items:center;padding:5px 12px;border-radius:8px;
  background:rgba(37,99,235,.16);border:1px solid rgba(56,189,248,.32);
  color:#BAE6FD;font-size:.68rem;font-weight:800;letter-spacing:1px;
}
.footer-col h4{
  font-size:.78rem;letter-spacing:1.4px;text-transform:uppercase;
  color:#DBEAFE;margin-bottom:16px;font-weight:800;
}
.footer-col li{margin-bottom:10px;}
.footer-col a{font-size:.87rem;color:var(--muted);}
.footer-col a:hover{color:var(--cyan);}
.footer-bottom{
  display:flex;flex-wrap:wrap;justify-content:space-between;gap:12px;
  margin-top:40px;padding-top:22px;border-top:1px solid var(--line-soft);
  font-size:.78rem;color:var(--muted-2);
}

/* ============ RESPONSIVE ============ */
@media (max-width:1080px){
  .post-layout{grid-template-columns:1fr;}
  .post-aside{position:static;}
  .grid-4{grid-template-columns:repeat(2,minmax(0,1fr));}
  .footer-grid{grid-template-columns:1fr 1fr;}
}
@media (max-width:1024px){
  .main-nav{
    position:absolute;top:100%;left:0;right:0;
    background:rgba(3,7,18,.98);
    border-bottom:1px solid var(--line);
    padding:10px 20px 18px;
    display:none;
    backdrop-filter:blur(18px);
    -webkit-backdrop-filter:blur(18px);
    margin-left:0;
  }
  .main-nav.is-open{display:block;}
  .nav-list{flex-direction:column;align-items:stretch;gap:2px;}
  .nav-list a{padding:12px 12px;font-size:.95rem;}
  .nav-toggle{display:inline-flex;}
  .header-inner{justify-content:space-between;}
}
@media (max-width:768px){
  .section{padding:50px 0;}
  .post-main{padding:26px 20px;border-radius:var(--r-lg);}
  .post-hero-inner{padding:40px 0 34px;}
  .grid-3,.grid-2{grid-template-columns:1fr;}
  .stat-strip{grid-template-columns:repeat(2,minmax(0,1fr));}
  .stat-cell{border-right:none;border-bottom:1px solid var(--line-soft);}
  .stat-cell:nth-child(2n){border-right:none;}
  .stat-cell:nth-last-child(-n+2){border-bottom:none;}
  .cta-band{padding:32px 22px;}
  .pullquote-inner{padding:34px 0 34px 20px;}
  .footer-grid{grid-template-columns:1fr;gap:26px;}
  .footer-bottom{flex-direction:column;}
}
@media (max-width:520px){
  .brand-mark{font-size:1.06rem;}
  .brand-sub{display:none;}
  .header-actions{gap:7px;}
  .btn-ghost{padding:8px 12px;font-size:.78rem;}
  .btn-neon{padding:9px 14px;font-size:.78rem;}
  .grid-4{grid-template-columns:1fr;}
  .post-meta{gap:14px;font-size:.79rem;}
  .post-main{padding:22px 16px;}
  .article-body{font-size:.97rem;}
  .fab{width:52px;height:52px;bottom:5rem;}
}

/* roulang page: category1 */
:root{
  --bg:#030712;
  --bg-2:#081229;
  --bg-3:#0a1830;
  --panel:rgba(11,22,44,.72);
  --panel-2:rgba(14,26,52,.86);
  --blue:#2563EB;
  --blue-deep:#1D4ED8;
  --cyan:#38BDF8;
  --holo:#60A5FA;
  --text:#F8FAFC;
  --muted:#94A3B8;
  --muted-2:#64748B;
  --line:rgba(56,189,248,.20);
  --line-soft:rgba(148,163,184,.16);
  --ok:#4ADE80;
  --r-xl:24px;
  --r-lg:18px;
  --r-md:14px;
  --r-sm:10px;
  --shadow:0 22px 48px -26px rgba(2,8,26,.95);
  --glow:0 0 26px rgba(37,99,235,.45);
  --glow-cyan:0 0 22px rgba(56,189,248,.38);
  --max:1200px;
}
*,*::before,*::after{box-sizing:border-box;}
html{scroll-behavior:smooth;-webkit-text-size-adjust:100%;}
body{
  margin:0;
  background:
    radial-gradient(1100px 620px at 12% -6%, rgba(37,99,235,.20), transparent 62%),
    radial-gradient(900px 560px at 96% 4%, rgba(56,189,248,.13), transparent 60%),
    linear-gradient(180deg,#030712 0%,#05101f 40%,#030712 100%);
  color:var(--text);
  font-family:"Inter","Segoe UI",Roboto,"Helvetica Neue",Arial,"Noto Sans",sans-serif;
  font-size:16px;
  line-height:1.65;
  letter-spacing:.1px;
  overflow-x:hidden;
}
img{max-width:100%;height:auto;display:block;}
a{color:var(--cyan);text-decoration:none;transition:color .22s ease,opacity .22s ease;}
a:hover{color:var(--holo);}
button,input,select,textarea{font:inherit;color:inherit;}
ul{list-style:none;margin:0;padding:0;}
h1,h2,h3,h4{margin:0 0 14px;line-height:1.24;font-weight:800;letter-spacing:-.3px;}
p{margin:0 0 14px;}
p:last-child{margin-bottom:0;}
:focus-visible{outline:2px solid var(--cyan);outline-offset:3px;border-radius:6px;}
.container{width:100%;max-width:var(--max);margin:0 auto;padding:0 20px;}

/* ============ HEADER ============ */
.site-header{
  position:fixed;top:0;left:0;right:0;z-index:1000;
  background:rgba(3,7,18,.82);
  backdrop-filter:blur(16px);
  -webkit-backdrop-filter:blur(16px);
  border-bottom:1px solid var(--line-soft);
  transition:background .3s ease,border-color .3s ease;
}
.site-header.is-scrolled{background:rgba(3,7,18,.94);border-bottom-color:var(--line);}
.header-inner{display:flex;align-items:center;gap:18px;min-height:74px;}
.brand{display:flex;flex-direction:column;gap:2px;flex-shrink:0;}
.brand-mark{
  font-size:1.32rem;font-weight:900;letter-spacing:-.5px;
  background:linear-gradient(92deg,#60A5FA 0%,#38BDF8 45%,#2563EB 100%);
  -webkit-background-clip:text;background-clip:text;color:transparent;
  line-height:1.1;
}
.brand-sub{font-size:.66rem;text-transform:uppercase;letter-spacing:1.4px;color:var(--muted-2);font-weight:600;}
.main-nav{margin-left:auto;}
.nav-list{display:flex;align-items:center;gap:4px;}
.nav-list a{
  display:inline-block;padding:9px 14px;border-radius:var(--r-sm);
  font-size:.9rem;font-weight:600;color:var(--muted);
}
.nav-list a:hover{color:var(--text);background:rgba(56,189,248,.09);}
.nav-list a.active{color:var(--text);background:rgba(37,99,235,.22);box-shadow:inset 0 0 0 1px rgba(56,189,248,.32);}
.header-actions{display:flex;align-items:center;gap:10px;flex-shrink:0;}
.btn-ghost{
  padding:9px 16px;border-radius:var(--r-sm);border:1px solid rgba(96,165,250,.45);
  color:var(--holo);font-weight:700;font-size:.86rem;background:transparent;
  display:inline-block;
}
.btn-ghost:hover{color:#fff;border-color:var(--cyan);background:rgba(56,189,248,.10);}
.btn-neon{
  padding:10px 20px;border-radius:var(--r-sm);border:none;
  background:linear-gradient(96deg,#2563EB 0%,#38BDF8 100%);
  color:#031024;font-weight:800;font-size:.86rem;
  box-shadow:0 0 15px rgba(56,189,248,.40);
  transition:transform .2s ease,box-shadow .25s ease;
  display:inline-block;
}
.btn-neon:hover{color:#031024;transform:translateY(-2px);box-shadow:0 0 26px rgba(56,189,248,.62);}
.nav-toggle{
  display:none;width:44px;height:44px;border-radius:var(--r-sm);
  border:1px solid var(--line);background:rgba(11,22,44,.7);color:var(--text);
  font-size:1.05rem;cursor:pointer;align-items:center;justify-content:center;
}
.nav-toggle:hover{border-color:var(--cyan);color:var(--cyan);}

/* ============ PAGE HERO ============ */
.page-hero{position:relative;margin-top:74px;overflow:hidden;border-bottom:1px solid var(--line-soft);}
.page-hero-bg{
  position:absolute;inset:0;
  background:url('/assets/images/23e4313ef474785f.jpg') center/cover no-repeat;
  opacity:.30;
}
.page-hero-bg::after{
  content:"";position:absolute;inset:0;
  background:linear-gradient(180deg,rgba(3,7,18,.80) 0%,rgba(3,7,18,.93) 60%,#030712 100%);
}
.page-hero-inner{position:relative;z-index:2;padding:64px 0 56px;}
.crumbs{display:flex;flex-wrap:wrap;gap:8px;align-items:center;font-size:.8rem;color:var(--muted-2);margin-bottom:18px;}
.crumbs a{color:var(--muted);}
.crumbs a:hover{color:var(--cyan);}
.crumbs i{font-size:.6rem;opacity:.6;}
.hero-grid{display:grid;grid-template-columns:1.45fr .78fr;gap:44px;align-items:start;}
.eyebrow{
  display:inline-flex;align-items:center;gap:8px;
  padding:6px 14px;border-radius:999px;
  border:1px solid rgba(56,189,248,.34);
  background:rgba(37,99,235,.16);
  font-size:.72rem;font-weight:800;letter-spacing:1.3px;text-transform:uppercase;
  color:var(--cyan);margin-bottom:18px;
}
.page-hero h1{
  font-size:clamp(1.68rem,3.2vw,2.66rem);
  line-height:1.22;margin-bottom:18px;
  background:linear-gradient(96deg,#FFFFFF 0%,#CDE7FF 52%,#60A5FA 100%);
  -webkit-background-clip:text;background-clip:text;color:transparent;
}
.hero-lead{font-size:1.02rem;line-height:1.72;color:#B9C7DB;max-width:660px;margin-bottom:26px;}
.hero-cta{display:flex;flex-wrap:wrap;gap:14px;align-items:center;margin-bottom:26px;}
.btn-primary-x{
  padding:14px 28px;border-radius:12px;border:none;
  background:linear-gradient(96deg,#2563EB 0%,#38BDF8 100%);
  color:#02101f;font-weight:800;font-size:.95rem;
  box-shadow:0 0 22px rgba(56,189,248,.42);
  transition:transform .2s ease,box-shadow .25s ease;display:inline-block;
}
.btn-primary-x:hover{color:#02101f;transform:translateY(-2px);box-shadow:0 0 34px rgba(56,189,248,.66);}
.btn-outline-x{
  padding:13px 26px;border-radius:12px;
  border:1px solid rgba(96,165,250,.5);color:var(--holo);
  font-weight:700;font-size:.95rem;background:rgba(11,22,44,.5);
  transition:all .22s ease;display:inline-block;
}
.btn-outline-x:hover{color:#fff;border-color:var(--cyan);background:rgba(56,189,248,.14);}
.hero-facts{display:flex;flex-wrap:wrap;gap:12px;}
.fact-chip{
  display:inline-flex;align-items:center;gap:8px;
  padding:9px 15px;border-radius:999px;
  background:rgba(11,22,44,.66);border:1px solid var(--line-soft);
  font-size:.82rem;color:var(--muted);
}
.fact-chip i{color:var(--cyan);}
.fact-chip strong{color:var(--text);}

/* portrait media */
.portrait-card{
  position:relative;border-radius:var(--r-xl);
  border:1px solid var(--line);
  background:linear-gradient(160deg,rgba(13,27,54,.86),rgba(6,14,32,.92));
  box-shadow:var(--shadow);padding:16px;
}
.portrait-frame{
  position:relative;border-radius:var(--r-lg);overflow:hidden;
  aspect-ratio:9/16;background:#050d1c;
}
.portrait-frame img{width:100%;height:100%;object-fit:cover;}
.portrait-frame::after{
  content:"";position:absolute;inset:0;
  background:linear-gradient(180deg,rgba(3,7,18,.15) 0%,rgba(3,7,18,.78) 100%);
}
.live-badge{
  position:absolute;top:12px;left:12px;z-index:3;
  display:inline-flex;align-items:center;gap:7px;
  padding:6px 12px;border-radius:999px;
  background:rgba(3,7,18,.78);border:1px solid rgba(74,222,128,.45);
  font-size:.68rem;font-weight:800;letter-spacing:1px;text-transform:uppercase;color:#4ADE80;
}
.live-badge .dot{width:7px;height:7px;border-radius:50%;background:#4ADE80;box-shadow:0 0 10px #4ADE80;animation:pulse 1.6s infinite;}
@keyframes pulse{0%,100%{opacity:1;transform:scale(1);}50%{opacity:.45;transform:scale(.75);}}
.portrait-caption{
  position:absolute;left:14px;right:14px;bottom:14px;z-index:3;
}
.portrait-caption strong{display:block;font-size:.98rem;color:#fff;}
.portrait-caption span{font-size:.78rem;color:#B9C7DB;}
.portrait-meta{display:grid;grid-template-columns:1fr 1fr;gap:10px;margin-top:14px;}
.meta-cell{
  border-radius:var(--r-md);padding:11px 13px;
  background:rgba(8,18,41,.82);border:1px solid var(--line-soft);
}
.meta-cell span{display:block;font-size:.7rem;letter-spacing:.8px;text-transform:uppercase;color:var(--muted-2);font-weight:700;}
.meta-cell strong{font-size:.98rem;color:var(--text);}
.meta-cell strong.ok{color:var(--ok);}

/* ============ SECTIONS ============ */
.section{padding:74px 0;position:relative;}
.section-alt{
  background:linear-gradient(180deg,rgba(8,18,41,.68) 0%,rgba(3,7,18,.92) 100%);
  border-top:1px solid var(--line-soft);border-bottom:1px solid var(--line-soft);
}
.section-head{max-width:760px;margin-bottom:36px;}
.section-head h2{font-size:clamp(1.36rem,2.3vw,1.96rem);}
.section-head p{color:var(--muted);font-size:.98rem;}
.kicker{
  display:inline-block;font-size:.72rem;font-weight:800;letter-spacing:1.6px;
  text-transform:uppercase;color:var(--cyan);margin-bottom:10px;
}
.section-head.right{margin-left:auto;text-align:right;}
.grid-2{display:grid;grid-template-columns:repeat(2,minmax(0,1fr));gap:22px;}
.grid-3{display:grid;grid-template-columns:repeat(3,minmax(0,1fr));gap:22px;}
.grid-4{display:grid;grid-template-columns:repeat(4,minmax(0,1fr));gap:20px;}

/* stat cards */
.stat-card{
  border-radius:var(--r-lg);padding:22px;
  background:linear-gradient(160deg,rgba(13,27,54,.80),rgba(6,14,32,.92));
  border:1px solid var(--line-soft);
  transition:transform .22s ease,border-color .22s ease,box-shadow .25s ease;
}
.stat-card:hover{transform:translateY(-4px);border-color:var(--line);box-shadow:var(--glow);}
.stat-card .stat-num{
  font-size:clamp(1.5rem,2.4vw,2rem);font-weight:900;letter-spacing:-.6px;
  background:linear-gradient(94deg,#FFFFFF,#60A5FA);
  -webkit-background-clip:text;background-clip:text;color:transparent;
  display:block;margin-bottom:6px;
}
.stat-card h3{font-size:.95rem;margin-bottom:8px;}
.stat-card p{font-size:.86rem;color:var(--muted);}
.stat-card i.ic{font-size:1.1rem;color:var(--cyan);margin-bottom:12px;display:block;}

/* channel matrix */
.table-wrap{
  overflow-x:auto;border-radius:var(--r-lg);
  border:1px solid var(--line-soft);
  background:linear-gradient(160deg,rgba(11,22,44,.78),rgba(5,12,28,.92));
  box-shadow:var(--shadow);
}
table.matrix{width:100%;min-width:760px;border-collapse:collapse;}
table.matrix th,table.matrix td{
  padding:16px 18px;text-align:left;font-size:.9rem;
  border-bottom:1px solid var(--line-soft);vertical-align:top;
}
table.matrix thead th{
  font-size:.74rem;text-transform:uppercase;letter-spacing:1.2px;
  color:var(--muted-2);font-weight:800;background:rgba(8,18,41,.86);
  white-space:nowrap;
}
table.matrix tbody tr:hover{background:rgba(37,99,235,.10);}
table.matrix td strong{color:var(--text);font-weight:700;}
table.matrix td span.note{display:block;font-size:.78rem;color:var(--muted-2);margin-top:4px;}
table.matrix tbody tr:last-child td{border-bottom:none;}
.channel-name{display:flex;align-items:center;gap:12px;}
.channel-name i{
  width:38px;height:38px;border-radius:11px;display:inline-flex;align-items:center;justify-content:center;
  background:rgba(37,99,235,.18);color:var(--cyan);border:1px solid var(--line);flex-shrink:0;
}
.badge-free{
  display:inline-block;padding:4px 10px;border-radius:999px;font-size:.72rem;font-weight:800;
  background:rgba(74,222,128,.14);color:#4ADE80;border:1px solid rgba(74,222,128,.3);
}
.badge-hot{
  display:inline-block;padding:4px 10px;border-radius:999px;font-size:.72rem;font-weight:800;
  background:rgba(56,189,248,.14);color:var(--cyan);border:1px solid rgba(56,189,248,.32);
}

/* comparison */
.compare-wrap{display:grid;grid-template-columns:1fr 1fr;gap:22px;align-items:stretch;}
.compare-col{
  border-radius:var(--r-lg);padding:26px;
  border:1px solid var(--line-soft);
  background:linear-gradient(160deg,rgba(11,22,44,.72),rgba(5,12,28,.9));
}
.compare-col.highlight{
  border-color:rgba(56,189,248,.42);
  background:linear-gradient(160deg,rgba(14,32,66,.88),rgba(6,14,32,.95));
  box-shadow:var(--glow-cyan);
}
.compare-col h3{font-size:1.08rem;}
.compare-col .sub{font-size:.82rem;color:var(--muted-2);margin-bottom:16px;}
.compare-list li{
  display:flex;gap:11px;align-items:flex-start;
  padding:11px 0;border-bottom:1px dashed var(--line-soft);
  font-size:.9rem;color:var(--muted);
}
.compare-list li:last-child{border-bottom:none;}
.compare-list i{margin-top:4px;font-size:.82rem;color:var(--cyan);}
.compare-col.highlight .compare-list i{color:var(--ok);}
.compare-list strong{color:var(--text);}

/* timeline */
.tl-grid{display:grid;grid-template-columns:1.15fr .85fr;gap:30px;align-items:start;}
.timeline{position:relative;padding-left:30px;}
.timeline::before{
  content:"";position:absolute;left:9px;top:6px;bottom:6px;width:2px;
  background:linear-gradient(180deg,rgba(56,189,248,.6),rgba(37,99,235,.12));
}
.tl-item{position:relative;padding:0 0 26px 8px;}
.tl-item:last-child{padding-bottom:0;}
.tl-item::before{
  content:"";position:absolute;left:-29px;top:6px;width:14px;height:14px;border-radius:50%;
  background:#050d1c;border:2px solid var(--cyan);box-shadow:0 0 12px rgba(56,189,248,.55);
}
.tl-item h4{font-size:1rem;margin-bottom:6px;}
.tl-item p{font-size:.88rem;color:var(--muted);}
.tl-item .eta{
  display:inline-block;margin-top:8px;font-size:.74rem;font-weight:800;letter-spacing:.8px;
  padding:4px 10px;border-radius:999px;color:var(--cyan);
  background:rgba(37,99,235,.16);border:1px solid var(--line);
}
.side-panel{
  border-radius:var(--r-lg);padding:24px;
  border:1px solid var(--line-soft);
  background:linear-gradient(160deg,rgba(11,22,44,.78),rgba(5,12,28,.92));
}
.side-panel h3{font-size:1rem;}
.side-panel .side-list li{
  display:flex;justify-content:space-between;gap:12px;align-items:center;
  padding:10px 0;border-bottom:1px dashed var(--line-soft);font-size:.87rem;color:var(--muted);
}
.side-panel .side-list li:last-child{border-bottom:none;}
.side-panel .side-list strong{color:var(--text);font-weight:800;}
.side-panel .side-list strong.ok{color:var(--ok);}

/* category entries */
.cat-grid{display:grid;grid-template-columns:repeat(3,minmax(0,1fr));gap:22px;}
.cat-card{
  display:flex;flex-direction:column;gap:12px;
  border-radius:var(--r-lg);padding:24px;
  border:1px solid var(--line-soft);
  background:linear-gradient(160deg,rgba(11,22,44,.72),rgba(5,12,28,.9));
  transition:transform .22s ease,border-color .22s ease,box-shadow .25s ease;
}
.cat-card:hover{transform:translateY(-5px);border-color:var(--line);box-shadow:var(--glow);}
.cat-card .cat-ic{
  width:46px;height:46px;border-radius:14px;display:inline-flex;align-items:center;justify-content:center;
  background:rgba(37,99,235,.18);border:1px solid var(--line);color:var(--cyan);font-size:1.05rem;
}
.cat-card h3{font-size:1.04rem;margin:0;}
.cat-card p{font-size:.87rem;color:var(--muted);}
.cat-card .cat-link{font-size:.84rem;font-weight:800;color:var(--cyan);margin-top:auto;}
.cat-card.current{border-color:rgba(56,189,248,.45);box-shadow:var(--glow-cyan);}
.cat-card.current .cat-link{color:var(--muted-2);}

/* guarantee block */
.guarantee-grid{display:grid;grid-template-columns:.95fr 1.05fr;gap:36px;align-items:center;}
.guarantee-media{
  border-radius:var(--r-xl);overflow:hidden;border:1px solid var(--line);
  box-shadow:var(--shadow);position:relative;aspect-ratio:4/3;
}
.guarantee-media img{width:100%;height:100%;object-fit:cover;}
.guarantee-media::after{
  content:"";position:absolute;inset:0;
  background:linear-gradient(200deg,rgba(3,7,18,.15),rgba(3,7,18,.72));
}
.mini-list li{
  display:flex;gap:12px;align-items:flex-start;padding:12px 0;
  border-bottom:1px solid var(--line-soft);font-size:.92rem;color:var(--muted);
}
.mini-list li:last-child{border-bottom:none;}
.mini-list i{color:var(--cyan);margin-top:4px;}
.mini-list strong{color:var(--text);}

/* updates strip */
.update-list{display:grid;grid-template-columns:repeat(3,minmax(0,1fr));gap:18px;}
.update-item{
  border-left:2px solid rgba(56,189,248,.5);
  padding:6px 0 6px 18px;
}
.update-item span.date{font-size:.74rem;letter-spacing:1px;text-transform:uppercase;color:var(--muted-2);font-weight:800;}
.update-item h4{font-size:.98rem;margin:8px 0 6px;}
.update-item p{font-size:.86rem;color:var(--muted);}

/* quick answers */
.qa-grid{display:grid;grid-template-columns:repeat(3,minmax(0,1fr));gap:20px;margin-bottom:34px;}
.qa-item{
  border-radius:var(--r-lg);padding:22px;
  background:linear-gradient(160deg,rgba(13,27,54,.78),rgba(6,14,32,.9));
  border:1px solid var(--line-soft);
}
.qa-item h3{font-size:.98rem;}
.qa-item p{font-size:.87rem;color:var(--muted);}

/* FAQ */
.faq-list{max-width:900px;}
.faq-item{
  border:1px solid var(--line-soft);border-radius:var(--r-md);
  background:var(--panel);margin-bottom:12px;overflow:hidden;
  transition:border-color .22s ease;
}
.faq-item:hover{border-color:var(--line);}
.faq-item summary{
  cursor:pointer;list-style:none;padding:17px 20px;
  font-weight:700;font-size:.96rem;color:var(--text);
  display:flex;justify-content:space-between;gap:14px;align-items:center;
}
.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:transform .25s ease;font-size:.9rem;
}
.faq-item[open] summary::after{transform:rotate(180deg);}
.faq-item .faq-body{padding:0 20px 18px;font-size:.9rem;color:var(--muted);}

/* CTA form */
.cta-box{
  border-radius:var(--r-xl);padding:38px;
  border:1px solid rgba(56,189,248,.34);
  background:
    radial-gradient(700px 320px at 12% 0%, rgba(37,99,235,.28), transparent 65%),
    linear-gradient(160deg,rgba(12,26,52,.92),rgba(4,10,24,.96));
  box-shadow:var(--shadow);
}
.cta-grid{display:grid;grid-template-columns:1fr 1fr;gap:34px;align-items:center;}
.signup-form{display:grid;gap:14px;}
.field-row{display:grid;gap:14px;grid-template-columns:1fr 1fr;}
.signup-form label{font-size:.78rem;font-weight:800;letter-spacing:.9px;text-transform:uppercase;color:var(--muted-2);display:block;margin-bottom:6px;}
.signup-form input,.signup-form select{
  width:100%;padding:13px 15px;border-radius:12px;
  background:rgba(4,10,24,.85);border:1px solid var(--line-soft);
  color:var(--text);font-size:.92rem;transition:border-color .2s ease,box-shadow .2s ease;
}
.signup-form input::placeholder{color:var(--muted-2);}
.signup-form input:focus,.signup-form select:focus{
  outline:none;border-color:var(--cyan);box-shadow:0 0 0 3px rgba(56,189,248,.18);
}
.signup-form button{
  padding:15px 26px;border-radius:12px;border:none;cursor:pointer;
  background:linear-gradient(96deg,#2563EB 0%,#38BDF8 100%);
  color:#02101f;font-weight:900;font-size:.96rem;
  box-shadow:0 0 22px rgba(56,189,248,.42);
  transition:transform .2s ease,box-shadow .25s ease;
}
.signup-form button:hover{transform:translateY(-2px);box-shadow:0 0 34px rgba(56,189,248,.66);}
.signup-form button:active{transform:translateY(0) scale(.99);}
.form-note{font-size:.78rem;color:var(--muted-2);}
.cta-points li{display:flex;gap:11px;align-items:flex-start;padding:9px 0;font-size:.92rem;color:var(--muted);}
.cta-points i{color:var(--cyan);margin-top:4px;}

/* FAB */
.fab-support{
  position:fixed;left:16px;bottom:96px;z-index:50;
  display:inline-flex;align-items:center;gap:10px;
  padding:13px 18px;border-radius:999px;
  background:rgba(7,10,22,.82);
  backdrop-filter:blur(12px);-webkit-backdrop-filter:blur(12px);
  border:1px solid transparent;
  background-image:linear-gradient(rgba(7,10,22,.9),rgba(7,10,22,.9)),linear-gradient(96deg,#38BDF8,#2563EB);
  background-origin:border-box;background-clip:padding-box,border-box;
  box-shadow:0 0 20px rgba(6,182,212,.35);
  color:var(--text);font-weight:700;font-size:.86rem;
  opacity:.82;transition:opacity .22s ease,transform .22s ease,box-shadow .25s ease;
}
.fab-support:hover{opacity:1;color:#fff;transform:translateY(-3px);box-shadow:0 0 30px rgba(6,182,212,.6);}
.fab-support:active{transform:translateY(0) scale(.97);}
.fab-support i{color:var(--cyan);}
.fab-dot{
  position:absolute;top:6px;right:9px;width:10px;height:10px;border-radius:50%;
  background:#DC2626;box-shadow:0 0 10px rgba(220,38,38,.85);animation:pulse 1.4s infinite;
}

/* ============ FOOTER ============ */
.site-footer{
  margin-top:10px;padding:56px 0 26px;
  background:linear-gradient(180deg,rgba(3,7,18,.4),rgba(2,5,14,.98));
  border-top:1px solid var(--line-soft);
}
.footer-grid{display:grid;grid-template-columns:1.6fr 1fr 1fr 1fr;gap:34px;}
.footer-brand .brand-mark{font-size:1.34rem;}
.footer-brand p{font-size:.88rem;color:var(--muted);margin:14px 0 16px;max-width:400px;}
.badge-row{display:flex;flex-wrap:wrap;gap:8px;}
.badge-18,.badge-sec{
  display:inline-block;padding:5px 11px;border-radius:999px;
  font-size:.68rem;font-weight:800;letter-spacing:1px;
  border:1px solid var(--line-soft);color:var(--muted);
  background:rgba(11,22,44,.7);
}
.badge-18{border-color:rgba(239,68,68,.4);color:#FCA5A5;}
.footer-col h4{font-size:.82rem;text-transform:uppercase;letter-spacing:1.3px;color:var(--text);margin-bottom:14px;}
.footer-col li{margin-bottom:9px;}
.footer-col a{font-size:.87rem;color:var(--muted);}
.footer-col a:hover{color:var(--cyan);}
.footer-bottom{
  margin-top:34px;padding-top:18px;border-top:1px solid var(--line-soft);
  display:flex;flex-wrap:wrap;gap:12px;justify-content:space-between;
  font-size:.78rem;color:var(--muted-2);
}

/* ============ RESPONSIVE ============ */
@media (max-width:1024px){
  .hero-grid{grid-template-columns:1fr;gap:34px;}
  .portrait-card{max-width:340px;}
  .grid-4{grid-template-columns:repeat(2,minmax(0,1fr));}
  .cat-grid,.update-list,.qa-grid{grid-template-columns:repeat(2,minmax(0,1fr));}
  .tl-grid{grid-template-columns:1fr;}
  .guarantee-grid{grid-template-columns:1fr;gap:26px;}
  .cta-grid{grid-template-columns:1fr;gap:26px;}
  .footer-grid{grid-template-columns:1fr 1fr;gap:28px;}
  .main-nav{
    position:fixed;top:74px;left:0;right:0;display:none;
    background:rgba(3,7,18,.98);border-bottom:1px solid var(--line);
    padding:14px 20px;max-height:calc(100vh - 74px);overflow-y:auto;
    backdrop-filter:blur(14px);
  }
  .main-nav.is-open{display:block;}
  .nav-list{flex-direction:column;align-items:stretch;gap:2px;}
  .nav-list a{padding:13px 14px;font-size:.95rem;}
  .nav-toggle{display:inline-flex;}
}
@media (max-width:768px){
  .section{padding:56px 0;}
  .page-hero-inner{padding:46px 0 44px;}
  .brand-sub{display:none;}
  .grid-2,.grid-3,.grid-4{grid-template-columns:1fr;}
  .cat-grid,.update-list,.qa-grid{grid-template-columns:1fr;}
  .compare-wrap{grid-template-columns:1fr;}
  .field-row{grid-template-columns:1fr;}
  .cta-box{padding:26px;}
  .footer-grid{grid-template-columns:1fr;}
  .stat-card:hover,.cat-card:hover{transform:none;}
}
@media (max-width:520px){
  .header-inner{gap:10px;min-height:66px;}
  .brand-mark{font-size:1.06rem;}
  .btn-ghost{padding:8px 11px;font-size:.76rem;}
  .btn-neon{padding:8px 13px;font-size:.76rem;box-shadow:0 0 10px rgba(56,189,248,.35);}
  .nav-toggle{width:38px;height:38px;font-size:.95rem;}
  .main-nav{top:66px;max-height:calc(100vh - 66px);}
  .page-hero{margin-top:66px;}
  .page-hero h1{font-size:1.5rem;}
  .hero-cta .btn-primary-x,.hero-cta .btn-outline-x{width:100%;text-align:center;padding:13px 20px;}
  .portrait-card{max-width:100%;}
  .cta-box{padding:20px;}
  .fab-support{left:12px;bottom:86px;padding:11px 15px;font-size:.8rem;}
  .footer-bottom{font-size:.74rem;}
}

/* roulang page: category2 */
:root{
  --bg:#030712;
  --bg-2:#081229;
  --bg-3:#0a1830;
  --panel:rgba(11,22,44,.72);
  --panel-2:rgba(14,26,52,.86);
  --blue:#2563EB;
  --blue-deep:#1D4ED8;
  --cyan:#38BDF8;
  --holo:#60A5FA;
  --text:#F8FAFC;
  --muted:#94A3B8;
  --muted-2:#64748B;
  --line:rgba(56,189,248,.20);
  --line-soft:rgba(148,163,184,.16);
  --r-xl:24px;
  --r-lg:18px;
  --r-md:14px;
  --r-sm:10px;
  --shadow:0 22px 48px -26px rgba(2,8,26,.95);
  --glow:0 0 26px rgba(37,99,235,.45);
  --glow-cyan:0 0 22px rgba(56,189,248,.38);
  --max:1200px;
}
*,*::before,*::after{box-sizing:border-box;}
html{scroll-behavior:smooth;-webkit-text-size-adjust:100%;}
body{
  margin:0;
  background:
    radial-gradient(1100px 620px at 12% -6%, rgba(37,99,235,.20), transparent 62%),
    radial-gradient(900px 560px at 96% 4%, rgba(56,189,248,.13), transparent 60%),
    linear-gradient(180deg,#030712 0%,#05101f 40%,#030712 100%);
  color:var(--text);
  font-family:"Inter","Segoe UI",Roboto,"Helvetica Neue",Arial,"Noto Sans",sans-serif;
  font-size:16px;
  line-height:1.65;
  letter-spacing:.1px;
  overflow-x:hidden;
}
img{max-width:100%;height:auto;display:block;}
a{color:var(--cyan);text-decoration:none;transition:color .22s ease,opacity .22s ease;}
a:hover{color:var(--holo);}
h1,h2,h3,h4{margin:0 0 14px;line-height:1.28;font-weight:800;letter-spacing:-.3px;}
p{margin:0 0 16px;color:#B9C7DB;}
ul{margin:0;padding:0;list-style:none;}
button,input,select,textarea{font:inherit;color:inherit;}
:focus-visible{outline:2px solid var(--cyan);outline-offset:3px;border-radius:6px;}
.container{width:100%;max-width:var(--max);margin:0 auto;padding:0 20px;}
.anchor-hold{display:block;height:0;overflow:hidden;}
/* ============ HEADER ============ */
.site-header{
  position:fixed;top:0;left:0;right:0;z-index:1000;
  background:rgba(3,7,18,.82);
  backdrop-filter:blur(16px);
  -webkit-backdrop-filter:blur(16px);
  border-bottom:1px solid var(--line-soft);
  transition:background .3s ease,border-color .3s ease;
}
.site-header.is-scrolled{background:rgba(3,7,18,.94);border-bottom-color:var(--line);}
.header-inner{display:flex;align-items:center;gap:18px;min-height:74px;position:relative;}
.brand{display:flex;flex-direction:column;gap:2px;flex-shrink:0;}
.brand-mark{
  font-size:1.32rem;font-weight:900;letter-spacing:-.5px;
  background:linear-gradient(92deg,#60A5FA 0%,#38BDF8 45%,#2563EB 100%);
  -webkit-background-clip:text;background-clip:text;color:transparent;
  line-height:1.1;
}
.brand-sub{font-size:.66rem;text-transform:uppercase;letter-spacing:1.4px;color:var(--muted-2);font-weight:600;}
.main-nav{margin-left:auto;}
.nav-list{display:flex;align-items:center;gap:4px;}
.nav-list a{
  display:inline-block;padding:9px 14px;border-radius:var(--r-sm);
  font-size:.9rem;font-weight:600;color:var(--muted);
}
.nav-list a:hover{color:var(--text);background:rgba(56,189,248,.09);}
.nav-list a.active{color:var(--text);background:rgba(37,99,235,.22);box-shadow:inset 0 0 0 1px rgba(56,189,248,.32);}
.header-actions{display:flex;align-items:center;gap:10px;flex-shrink:0;}
.btn-ghost{
  padding:9px 16px;border-radius:var(--r-sm);border:1px solid rgba(96,165,250,.45);
  color:var(--holo);font-weight:700;font-size:.86rem;background:transparent;
  display:inline-block;transition:all .22s ease;
}
.btn-ghost:hover{color:#fff;border-color:var(--cyan);background:rgba(56,189,248,.10);}
.btn-neon{
  padding:10px 20px;border-radius:var(--r-sm);border:none;
  background:linear-gradient(96deg,#2563EB 0%,#38BDF8 100%);
  color:#031024;font-weight:800;font-size:.86rem;
  box-shadow:0 0 15px rgba(56,189,248,.40);
  transition:transform .2s ease,box-shadow .25s ease;
  display:inline-block;
}
.btn-neon:hover{color:#031024;transform:translateY(-2px);box-shadow:0 0 26px rgba(56,189,248,.62);}
.nav-toggle{
  display:none;width:44px;height:44px;border-radius:var(--r-sm);
  border:1px solid var(--line);background:rgba(11,22,44,.7);color:var(--text);
  font-size:1.05rem;cursor:pointer;align-items:center;justify-content:center;
  transition:all .2s ease;
}
.nav-toggle:hover{border-color:var(--cyan);color:var(--cyan);}
/* ============ PAGE HERO ============ */
.page-hero{position:relative;margin-top:74px;overflow:hidden;border-bottom:1px solid var(--line-soft);}
.page-hero-media{
  position:absolute;inset:0;
  background:url('/assets/images/8f5a19018ab25860.jpg') center/cover no-repeat;
  opacity:.30;filter:saturate(1.05);
}
.page-hero-media::after{
  content:"";position:absolute;inset:0;
  background:linear-gradient(180deg,rgba(3,7,18,.78) 0%,rgba(5,16,31,.93) 58%,#030712 100%);
}
.page-hero-inner{position:relative;z-index:2;padding:56px 0 40px;}
.crumb{display:flex;flex-wrap:wrap;gap:8px;align-items:center;font-size:.78rem;color:var(--muted-2);margin-bottom:16px;letter-spacing:.4px;}
.crumb a{color:var(--muted);}
.crumb a:hover{color:var(--cyan);}
.crumb i{font-size:.6rem;}
.hero-grid{display:grid;grid-template-columns:1.45fr .85fr;gap:42px;align-items:start;}
.eyebrow{
  display:inline-flex;align-items:center;gap:8px;
  padding:6px 14px;border-radius:999px;
  border:1px solid rgba(56,189,248,.34);
  background:rgba(37,99,235,.16);
  font-size:.72rem;font-weight:800;letter-spacing:1.3px;text-transform:uppercase;
  color:var(--cyan);margin-bottom:18px;
}
.page-hero h1{
  font-size:clamp(1.68rem,3.3vw,2.6rem);
  line-height:1.24;margin-bottom:18px;
  background:linear-gradient(96deg,#FFFFFF 0%,#CDE7FF 52%,#60A5FA 100%);
  -webkit-background-clip:text;background-clip:text;color:transparent;
}
.hero-lead{font-size:1.02rem;line-height:1.72;color:#B9C7DB;max-width:640px;margin-bottom:26px;}
.hero-cta{display:flex;flex-wrap:wrap;gap:14px;align-items:center;}
.btn-primary-x{
  padding:14px 28px;border-radius:12px;border:none;
  background:linear-gradient(96deg,#2563EB 0%,#38BDF8 100%);
  color:#02101f;font-weight:800;font-size:.95rem;
  box-shadow:0 0 22px rgba(56,189,248,.42);
  transition:transform .2s ease,box-shadow .25s ease;display:inline-block;
}
.btn-primary-x:hover{color:#02101f;transform:translateY(-2px);box-shadow:0 0 34px rgba(56,189,248,.66);}
.btn-outline-x{
  padding:13px 26px;border-radius:12px;
  border:1px solid rgba(96,165,250,.5);color:var(--holo);
  font-weight:700;font-size:.95rem;background:rgba(11,22,44,.5);
  transition:all .22s ease;display:inline-block;
}
.btn-outline-x:hover{color:#fff;border-color:var(--cyan);background:rgba(56,189,248,.14);}
.hero-shot{
  border-radius:var(--r-xl);overflow:hidden;border:1px solid var(--line);
  background:var(--panel-2);box-shadow:var(--shadow);
}
.hero-shot img{width:100%;aspect-ratio:4/3;object-fit:cover;}
.hero-shot figcaption{padding:16px 20px;font-size:.85rem;color:var(--muted);border-top:1px solid var(--line-soft);}
.countdown-bar{
  position:relative;z-index:2;
  display:flex;flex-wrap:wrap;align-items:center;gap:12px 22px;
  padding:16px 22px;margin-bottom:26px;
  border-radius:var(--r-lg);
  border:1px solid var(--line);
  background:linear-gradient(96deg,rgba(37,99,235,.24),rgba(56,189,248,.10));
  backdrop-filter:blur(10px);
}
.cd-label{font-size:.82rem;font-weight:700;color:var(--holo);letter-spacing:.4px;text-transform:uppercase;}
.cd-clock{
  font-size:1.28rem;font-weight:900;letter-spacing:1px;color:#fff;
  font-variant-numeric:tabular-nums;
  text-shadow:0 0 18px rgba(56,189,248,.55);
}
.cd-note{font-size:.8rem;color:var(--muted);margin-left:auto;}
/* ============ SECTION BASE ============ */
main{position:relative;z-index:1;}
.section{padding:78px 0;position:relative;}
.section-alt{background:linear-gradient(180deg,rgba(8,18,41,.72),rgba(3,7,18,.30));border-top:1px solid var(--line-soft);border-bottom:1px solid var(--line-soft);}
.section-head{max-width:760px;margin-bottom:38px;}
.section-head.center{margin-left:auto;margin-right:auto;text-align:center;}
.tag{
  display:inline-block;padding:5px 13px;border-radius:999px;
  border:1px solid rgba(56,189,248,.3);background:rgba(37,99,235,.14);
  font-size:.7rem;font-weight:800;letter-spacing:1.4px;text-transform:uppercase;
  color:var(--cyan);margin-bottom:14px;
}
.section h2{font-size:clamp(1.4rem,2.4vw,1.95rem);margin-bottom:14px;}
.section-sub{color:var(--muted);font-size:.97rem;line-height:1.72;margin:0;}
/* ============ METRICS ============ */
.metric-grid{
  display:grid;grid-template-columns:repeat(4,1fr);gap:1px;
  background:var(--line-soft);border:1px solid var(--line-soft);
  border-radius:var(--r-lg);overflow:hidden;
}
.metric{background:#050e1e;padding:28px 24px;transition:background .25s ease;}
.metric:hover{background:#07142b;}
.metric .num{
  font-size:1.9rem;font-weight:900;line-height:1.1;margin-bottom:8px;
  background:linear-gradient(96deg,#38BDF8,#2563EB);
  -webkit-background-clip:text;background-clip:text;color:transparent;
}
.metric .lbl{font-size:.86rem;color:var(--muted);line-height:1.55;}
.metric .lbl strong{display:block;color:var(--text);font-weight:700;font-size:.92rem;margin-bottom:4px;}
/* ============ MATRIX ============ */
.matrix{display:grid;grid-template-columns:repeat(2,1fr);gap:20px;}
.matrix-item{
  display:flex;gap:18px;padding:24px;
  border-radius:var(--r-lg);border:1px solid var(--line-soft);
  background:rgba(8,18,38,.62);
  transition:border-color .25s ease,transform .25s ease,box-shadow .25s ease;
}
.matrix-item:hover{border-color:var(--line);transform:translateY(-3px);box-shadow:0 18px 40px -30px rgba(56,189,248,.85);}
.matrix-icon{
  flex:0 0 48px;height:48px;border-radius:13px;
  display:flex;align-items:center;justify-content:center;
  background:linear-gradient(150deg,rgba(37,99,235,.34),rgba(56,189,248,.14));
  border:1px solid rgba(56,189,248,.28);color:var(--cyan);font-size:1.15rem;
}
.matrix-body h3{font-size:1.02rem;margin-bottom:6px;}
.matrix-body p{font-size:.9rem;color:var(--muted);margin-bottom:10px;line-height:1.65;}
.spec-row{display:flex;flex-wrap:wrap;gap:8px;}
.spec{
  font-size:.74rem;font-weight:700;letter-spacing:.4px;
  padding:4px 10px;border-radius:999px;
  background:rgba(56,189,248,.10);border:1px solid rgba(56,189,248,.22);color:var(--holo);
}
/* ============ STEPS ============ */
.steps{counter-reset:step;display:grid;gap:0;}
.step{
  display:grid;grid-template-columns:64px 1fr;gap:22px;
  padding:24px 0;border-bottom:1px dashed var(--line-soft);
}
.step:last-child{border-bottom:none;}
.step-num{
  width:56px;height:56px;border-radius:16px;
  display:flex;align-items:center;justify-content:center;
  font-weight:900;font-size:1.05rem;color:#02101f;
  background:linear-gradient(150deg,#38BDF8,#2563EB);
  box-shadow:var(--glow-cyan);
}
.step-body h3{font-size:1.02rem;margin-bottom:6px;}
.step-body p{font-size:.92rem;color:var(--muted);margin:0;line-height:1.68;}
/* ============ COMPARE ============ */
.compare{
  display:grid;grid-template-columns:1.15fr 1fr 1fr;
  border:1px solid var(--line-soft);border-radius:var(--r-lg);overflow:hidden;
  background:rgba(6,14,30,.6);
}
.compare > div{padding:16px 20px;border-bottom:1px solid var(--line-soft);font-size:.92rem;}
.compare > div:nth-last-child(-n+3){border-bottom:none;}
.compare .head{
  font-size:.74rem;font-weight:800;letter-spacing:1.2px;text-transform:uppercase;
  color:var(--muted-2);background:rgba(8,18,41,.9);
}
.compare .head.live{color:var(--cyan);background:rgba(37,99,235,.18);}
.compare .row-label{color:#CBD5E1;font-weight:600;}
.compare .dim{color:var(--muted-2);}
.compare .hi{color:#E2F2FF;font-weight:700;}
.compare .hi i{color:#4ADE80;margin-right:8px;font-size:.8rem;}
.compare .dim i{color:#64748B;margin-right:8px;font-size:.8rem;}
/* ============ TIERS ============ */
.tier-grid{
  display:grid;grid-template-columns:repeat(4,1fr);gap:1px;
  background:var(--line-soft);border:1px solid var(--line-soft);
  border-radius:var(--r-lg);overflow:hidden;
}
.tier{background:#050e1e;padding:26px 22px;position:relative;transition:background .25s ease;}
.tier:hover{background:#07142b;}
.tier .tier-name{font-size:.74rem;font-weight:800;letter-spacing:1.4px;text-transform:uppercase;color:var(--cyan);margin-bottom:10px;}
.tier h3{font-size:1.1rem;margin-bottom:8px;}
.tier p{font-size:.88rem;color:var(--muted);margin-bottom:12px;line-height:1.62;}
.tier .req{font-size:.8rem;color:var(--holo);font-weight:700;}
/* ============ ASSURANCE ============ */
.assure-wrap{display:grid;grid-template-columns:1.05fr .95fr;gap:38px;align-items:center;}
.assure-list{display:grid;gap:16px;}
.assure-item{display:flex;gap:16px;padding:18px 0;border-bottom:1px dashed var(--line-soft);}
.assure-item:last-child{border-bottom:none;}
.assure-item i{
  flex:0 0 40px;height:40px;border-radius:12px;
  display:flex;align-items:center;justify-content:center;
  background:rgba(56,189,248,.10);border:1px solid rgba(56,189,248,.24);
  color:var(--cyan);font-size:.95rem;
}
.assure-item h3{font-size:.98rem;margin-bottom:5px;}
.assure-item p{font-size:.89rem;color:var(--muted);margin:0;line-height:1.62;}
.assure-shot{border-radius:var(--r-xl);overflow:hidden;border:1px solid var(--line);box-shadow:var(--shadow);}
.assure-shot img{width:100%;aspect-ratio:5/4;object-fit:cover;}
.badge-row{display:flex;flex-wrap:wrap;gap:10px;margin-top:22px;}
.badge-sec{
  font-size:.7rem;font-weight:800;letter-spacing:1.1px;text-transform:uppercase;
  padding:6px 12px;border-radius:999px;
  border:1px solid var(--line);color:var(--holo);background:rgba(11,22,44,.6);
}
.badge-18{
  font-size:.7rem;font-weight:900;letter-spacing:1px;
  padding:6px 12px;border-radius:999px;
  border:1px solid rgba(220,38,38,.5);color:#FCA5A5;background:rgba(220,38,38,.14);
}
/* ============ FAQ ============ */
.faq-list{max-width:900px;}
.faq-item{
  border:1px solid var(--line-soft);border-radius:var(--r-md);
  background:rgba(8,18,38,.6);margin-bottom:12px;overflow:hidden;
  transition:border-color .22s ease,background .22s ease;
}
.faq-item[open]{border-color:var(--line);background:rgba(10,24,48,.78);}
.faq-item summary{
  list-style:none;cursor:pointer;padding:18px 22px;
  font-weight:700;font-size:1rem;display:flex;justify-content:space-between;
  gap:16px;align-items:center;transition:color .2s ease;
}
.faq-item summary:hover{color:var(--cyan);}
.faq-item summary::-webkit-details-marker{display:none;}
.faq-item summary::after{
  content:"\2b";font-family:"Font Awesome 6 Free";font-weight:900;
  color:var(--cyan);font-size:.85rem;transition:transform .25s ease;
}
.faq-item[open] summary::after{transform:rotate(45deg);}
.faq-answer{padding:0 22px 20px;color:var(--muted);font-size:.92rem;line-height:1.72;}
/* ============ CHANNEL ENTRY ============ */
.channel-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:20px;}
.channel-card{
  display:block;padding:26px;border-radius:var(--r-lg);
  border:1px solid var(--line-soft);background:rgba(8,18,38,.62);
  transition:border-color .25s ease,transform .25s ease,box-shadow .25s ease;
}
.channel-card:hover{border-color:var(--cyan);transform:translateY(-4px);box-shadow:0 22px 44px -32px rgba(56,189,248,.95);}
.channel-card i{font-size:1.3rem;color:var(--cyan);margin-bottom:14px;display:block;}
.channel-card h3{font-size:1.04rem;color:var(--text);margin-bottom:8px;}
.channel-card p{font-size:.89rem;color:var(--muted);margin:0;line-height:1.62;}
/* ============ CTA FORM ============ */
.cta-wrap{
  display:grid;grid-template-columns:1fr 1fr;gap:42px;align-items:start;
  padding:40px;border-radius:var(--r-xl);
  border:1px solid var(--line);
  background:linear-gradient(150deg,rgba(13,27,54,.9),rgba(5,12,28,.95));
  box-shadow:var(--shadow);
}
.cta-side h2{font-size:clamp(1.35rem,2.3vw,1.8rem);margin-bottom:14px;}
.cta-side ul{display:grid;gap:12px;margin-top:18px;}
.cta-side li{display:flex;gap:12px;font-size:.92rem;color:#B9C7DB;line-height:1.6;}
.cta-side li i{color:#4ADE80;margin-top:5px;font-size:.82rem;}
.form-grid{display:grid;grid-template-columns:1fr 1fr;gap:16px;}
.field{display:flex;flex-direction:column;}
.field.full{grid-column:1 / -1;}
.field label{
  font-size:.74rem;font-weight:800;letter-spacing:1.1px;text-transform:uppercase;
  color:var(--muted-2);margin-bottom:7px;
}
.field input,.field select{
  width:100%;padding:13px 15px;border-radius:var(--r-sm);
  border:1px solid rgba(148,163,184,.24);background:rgba(4,10,24,.82);
  color:var(--text);font-size:.94rem;
  transition:border-color .2s ease,box-shadow .2s ease;
}
.field input::placeholder{color:#526073;}
.field input:focus,.field select:focus{
  outline:none;border-color:var(--cyan);box-shadow:0 0 0 3px rgba(56,189,248,.18);
}
.field select option{background:#081229;color:var(--text);}
.check-row{display:flex;gap:12px;align-items:flex-start;font-size:.86rem;color:var(--muted);line-height:1.55;}
.check-row input{width:18px;height:18px;margin-top:3px;accent-color:#38BDF8;flex:0 0 18px;}
.form-note{font-size:.78rem;color:var(--muted-2);margin:14px 0 0;}
.form-ok{
  display:none;margin-top:16px;padding:13px 16px;border-radius:var(--r-sm);
  border:1px solid rgba(74,222,128,.35);background:rgba(74,222,128,.10);
  color:#BBF7D0;font-size:.88rem;
}
/* ============ FOOTER ============ */
.site-footer{
  border-top:1px solid var(--line-soft);
  background:linear-gradient(180deg,rgba(4,10,24,.6),rgba(2,5,14,.96));
  padding:60px 0 28px;margin-top:20px;
}
.footer-grid{display:grid;grid-template-columns:1.6fr 1fr 1fr 1fr;gap:34px;}
.footer-brand .brand-mark{display:inline-block;margin-bottom:12px;}
.footer-brand p{font-size:.88rem;color:var(--muted);line-height:1.7;max-width:340px;}
.footer-col h4{
  font-size:.76rem;text-transform:uppercase;letter-spacing:1.4px;
  color:var(--muted-2);font-weight:800;margin-bottom:16px;
}
.footer-col ul{display:grid;gap:10px;}
.footer-col a{font-size:.89rem;color:var(--muted);}
.footer-col a:hover{color:var(--cyan);}
.footer-bottom{
  display:flex;flex-wrap:wrap;gap:10px 24px;justify-content:space-between;
  margin-top:42px;padding-top:22px;border-top:1px solid var(--line-soft);
  font-size:.8rem;color:var(--muted-2);
}
/* ============ FAB ============ */
.fab{
  position:fixed;left:16px;bottom:96px;z-index:50;
  width:58px;height:58px;border-radius:999px;
  display:flex;align-items:center;justify-content:center;
  background:rgba(7,7,13,.82);backdrop-filter:blur(12px);
  border:1px solid transparent;
  background-image:linear-gradient(rgba(7,7,13,.86),rgba(7,7,13,.86)),
    linear-gradient(130deg,#38BDF8,#2563EB);
  background-origin:border-box;background-clip:padding-box,border-box;
  color:var(--cyan);font-size:1.2rem;
  box-shadow:0 0 20px rgba(6,182,212,.45);
  opacity:.78;transition:opacity .25s ease,transform .25s ease,box-shadow .25s ease;
}
.fab::after{
  content:"";position:absolute;top:6px;right:8px;
  width:10px;height:10px;border-radius:50%;
  background:#38BDF8;box-shadow:0 0 10px rgba(56,189,248,.9);
  animation:pulseDot 1.6s infinite;
}
@keyframes pulseDot{0%,100%{transform:scale(1);opacity:1;}50%{transform:scale(1.35);opacity:.55;}}
.fab:hover{opacity:1;color:#fff;transform:translateY(-3px) scale(1.06);box-shadow:0 0 32px rgba(56,189,248,.72);}
.fab:active{transform:translateY(1px) scale(.96);}
/* ============ RESPONSIVE ============ */
@media (max-width:1080px){
  .header-inner{justify-content:space-between;}
  .main-nav{
    position:absolute;top:74px;left:0;right:0;margin-left:0;
    background:rgba(4,10,24,.98);border-bottom:1px solid var(--line);
    padding:14px 20px 20px;display:none;
    backdrop-filter:blur(18px);-webkit-backdrop-filter:blur(18px);
  }
  .main-nav.open{display:block;}
  .nav-list{flex-direction:column;align-items:stretch;gap:6px;}
  .nav-list a{padding:12px 14px;font-size:.95rem;}
  .nav-toggle{display:inline-flex;}
  .hero-grid{grid-template-columns:1fr;gap:30px;}
  .metric-grid,.tier-grid{grid-template-columns:repeat(2,1fr);}
  .matrix{grid-template-columns:1fr;}
  .assure-wrap{grid-template-columns:1fr;gap:30px;}
  .cta-wrap{grid-template-columns:1fr;gap:30px;padding:30px;}
  .channel-grid{grid-template-columns:1fr;}
  .footer-grid{grid-template-columns:1fr 1fr;gap:28px;}
}
@media (max-width:768px){
  .compare{grid-template-columns:1fr;}
  .compare > div{border-bottom:1px solid var(--line-soft) !important;}
  .compare .head{display:none;}
  .compare .row-label{background:rgba(8,18,41,.86);font-weight:800;}
}
@media (max-width:560px){
  .container{padding:0 16px;}
  .section{padding:56px 0;}
  .page-hero-inner{padding:40px 0 32px;}
  .brand-mark{font-size:1.08rem;}
  .brand-sub{display:none;}
  .header-actions{gap:8px;}
  .btn-ghost,.btn-neon{padding:8px 13px;font-size:.79rem;}
  .metric-grid,.tier-grid{grid-template-columns:1fr;}
  .form-grid{grid-template-columns:1fr;}
  .hero-cta{flex-direction:column;align-items:stretch;}
  .btn-primary-x,.btn-outline-x{text-align:center;width:100%;}
  .cd-note{margin-left:0;}
  .cd-clock{font-size:1.1rem;}
  .footer-grid{grid-template-columns:1fr;}
  .footer-bottom{flex-direction:column;}
  .fab{width:52px;height:52px;bottom:84px;left:12px;font-size:1.05rem;}
  .step{grid-template-columns:48px 1fr;gap:16px;}
  .step-num{width:44px;height:44px;border-radius:13px;font-size:.92rem;}
}

/* roulang page: category3 */
:root{
  --bg:#030712;
  --bg-2:#081229;
  --bg-3:#0a1830;
  --panel:rgba(11,22,44,.72);
  --panel-2:rgba(14,26,52,.86);
  --blue:#2563EB;
  --blue-deep:#1D4ED8;
  --cyan:#38BDF8;
  --holo:#60A5FA;
  --text:#F8FAFC;
  --muted:#94A3B8;
  --muted-2:#64748B;
  --line:rgba(56,189,248,.20);
  --line-soft:rgba(148,163,184,.16);
  --ok:#4ADE80;
  --r-xl:24px;
  --r-lg:18px;
  --r-md:14px;
  --r-sm:10px;
  --shadow:0 22px 48px -26px rgba(2,8,26,.95);
  --glow:0 0 26px rgba(37,99,235,.45);
  --glow-cyan:0 0 22px rgba(56,189,248,.38);
  --max:1200px;
}
html{scroll-behavior:smooth;-webkit-text-size-adjust:100%;}
body{
  margin:0;
  background:
    radial-gradient(1100px 620px at 12% -6%, rgba(37,99,235,.20), transparent 62%),
    radial-gradient(900px 560px at 96% 4%, rgba(56,189,248,.13), transparent 60%),
    linear-gradient(180deg,#030712 0%,#05101f 40%,#030712 100%);
  color:var(--text);
  font-family:"Inter","Segoe UI",Roboto,"Helvetica Neue",Arial,"Noto Sans",sans-serif;
  font-size:16px;
  line-height:1.65;
  letter-spacing:.1px;
  overflow-x:hidden;
}
img{max-width:100%;height:auto;display:block;}
a{color:var(--cyan);text-decoration:none;transition:color .22s ease,opacity .22s ease;}
a:hover{color:var(--holo);}
button,input,select,textarea{font:inherit;color:inherit;}
:focus-visible{outline:2px solid var(--cyan);outline-offset:3px;border-radius:6px;}
.container{width:100%;max-width:var(--max);margin:0 auto;padding:0 20px;}

/* ============ HEADER ============ */
.site-header{
  position:fixed;top:0;left:0;right:0;z-index:1000;
  background:rgba(3,7,18,.82);
  backdrop-filter:blur(16px);
  -webkit-backdrop-filter:blur(16px);
  border-bottom:1px solid var(--line-soft);
  transition:background .3s ease,border-color .3s ease;
}
.site-header.is-scrolled{background:rgba(3,7,18,.94);border-bottom-color:var(--line);}
.header-inner{display:flex;align-items:center;gap:18px;min-height:74px;position:relative;}
.brand{display:flex;flex-direction:column;gap:2px;flex-shrink:0;}
.brand-mark{
  font-size:1.32rem;font-weight:900;letter-spacing:-.5px;
  background:linear-gradient(92deg,#60A5FA 0%,#38BDF8 45%,#2563EB 100%);
  -webkit-background-clip:text;background-clip:text;color:transparent;
  line-height:1.1;
}
.brand-sub{font-size:.66rem;text-transform:uppercase;letter-spacing:1.4px;color:var(--muted-2);font-weight:600;}
.main-nav{margin-left:auto;}
.nav-list{display:flex;align-items:center;gap:4px;list-style:none;margin:0;padding:0;}
.nav-list a{
  display:inline-block;padding:9px 14px;border-radius:var(--r-sm);
  font-size:.9rem;font-weight:600;color:var(--muted);
}
.nav-list a:hover{color:var(--text);background:rgba(56,189,248,.09);}
.nav-list a.active{color:var(--text);background:rgba(37,99,235,.22);box-shadow:inset 0 0 0 1px rgba(56,189,248,.32);}
.header-actions{display:flex;align-items:center;gap:10px;flex-shrink:0;}
.btn-ghost{
  padding:9px 16px;border-radius:var(--r-sm);border:1px solid rgba(96,165,250,.45);
  color:var(--holo);font-weight:700;font-size:.86rem;background:transparent;display:inline-block;
}
.btn-ghost:hover{color:#fff;border-color:var(--cyan);background:rgba(56,189,248,.10);}
.btn-neon{
  padding:10px 20px;border-radius:var(--r-sm);border:none;
  background:linear-gradient(96deg,#2563EB 0%,#38BDF8 100%);
  color:#031024;font-weight:800;font-size:.86rem;
  box-shadow:0 0 15px rgba(56,189,248,.40);
  transition:transform .2s ease,box-shadow .25s ease;
  display:inline-block;
}
.btn-neon:hover{color:#031024;transform:translateY(-2px);box-shadow:0 0 26px rgba(56,189,248,.62);}
.nav-toggle{
  display:none;width:44px;height:44px;border-radius:var(--r-sm);
  border:1px solid var(--line);background:rgba(11,22,44,.7);color:var(--text);
  font-size:1.05rem;cursor:pointer;align-items:center;justify-content:center;
}
.nav-toggle:hover{border-color:var(--cyan);color:var(--cyan);}

/* ============ BUTTONS ============ */
.btn-primary-x{
  padding:14px 28px;border-radius:12px;border:none;
  background:linear-gradient(96deg,#2563EB 0%,#38BDF8 100%);
  color:#02101f;font-weight:800;font-size:.95rem;
  box-shadow:0 0 22px rgba(56,189,248,.42);
  transition:transform .2s ease,box-shadow .25s ease;display:inline-block;
}
.btn-primary-x:hover{color:#02101f;transform:translateY(-2px);box-shadow:0 0 34px rgba(56,189,248,.66);}
.btn-primary-x:active{transform:translateY(0);}
.btn-outline-x{
  padding:13px 26px;border-radius:12px;
  border:1px solid rgba(96,165,250,.5);color:var(--holo);
  font-weight:700;font-size:.95rem;background:rgba(11,22,44,.5);
  transition:all .22s ease;display:inline-block;
}
.btn-outline-x:hover{color:#fff;border-color:var(--cyan);background:rgba(56,189,248,.14);}

/* ============ CATEGORY HERO ============ */
.cat-hero{position:relative;margin-top:74px;overflow:hidden;}
.cat-hero-media{
  position:absolute;inset:0;
  background:url('/assets/images/91af764dddfae711.jpg') center/cover no-repeat;
  opacity:.32;filter:saturate(1.05);
}
.cat-hero-media::after{
  content:"";position:absolute;inset:0;
  background:linear-gradient(180deg,rgba(3,7,18,.74) 0%,rgba(3,7,18,.93) 64%,#030712 100%);
}
.cat-hero-inner{position:relative;z-index:2;padding:70px 0 48px;}
.eyebrow{
  display:inline-flex;align-items:center;gap:8px;
  padding:6px 14px;border-radius:999px;
  border:1px solid rgba(56,189,248,.34);
  background:rgba(37,99,235,.16);
  font-size:.72rem;font-weight:800;letter-spacing:1.3px;text-transform:uppercase;
  color:var(--cyan);margin-bottom:18px;
}
.cat-hero h1{
  font-size:clamp(1.68rem,3.2vw,2.58rem);
  line-height:1.24;margin-bottom:18px;
  background:linear-gradient(96deg,#FFFFFF 0%,#CDE7FF 52%,#60A5FA 100%);
  -webkit-background-clip:text;background-clip:text;color:transparent;
}
.cat-hero p.lead-x{font-size:1.02rem;line-height:1.72;color:#B9C7DB;margin-bottom:26px;max-width:640px;}
.cat-hero-cta{display:flex;flex-wrap:wrap;gap:14px;align-items:center;}
.crumb{font-size:.8rem;color:var(--muted-2);margin-bottom:16px;letter-spacing:.4px;}
.crumb a{color:var(--muted);}
.crumb a:hover{color:var(--cyan);}
.hero-shot{border-radius:var(--r-xl);overflow:hidden;border:1px solid var(--line);box-shadow:var(--shadow);}
.hero-shot img{width:100%;aspect-ratio:16/10;object-fit:cover;}

/* ============ GLASS PANEL / CARDS ============ */
.glass-card{
  background:linear-gradient(165deg,rgba(13,27,54,.78),rgba(6,14,32,.90));
  border:1px solid var(--line);
  border-radius:var(--r-lg);
  padding:24px;
  height:100%;
  transition:transform .25s ease,box-shadow .25s ease,border-color .25s ease;
}
.glass-card:hover{transform:translateY(-4px);border-color:rgba(56,189,248,.5);box-shadow:var(--glow-cyan);}
.glass-card h3{font-size:1.06rem;font-weight:800;margin:0 0 10px;}
.glass-card p{color:var(--muted);font-size:.92rem;margin:0;line-height:1.68;}
.icon-badge{
  width:48px;height:48px;border-radius:14px;display:flex;align-items:center;justify-content:center;
  background:rgba(37,99,235,.18);border:1px solid var(--line);color:var(--cyan);
  font-size:1.1rem;margin-bottom:16px;
}
.status-panel{
  border-radius:var(--r-xl);
  background:linear-gradient(160deg,rgba(13,27,54,.88),rgba(6,14,32,.94));
  border:1px solid var(--line);
  box-shadow:var(--shadow);
  padding:26px;
  backdrop-filter:blur(10px);
}
.status-panel h2{font-size:.82rem;text-transform:uppercase;letter-spacing:1.5px;color:var(--muted-2);font-weight:800;margin-bottom:16px;}
.status-row{display:flex;justify-content:space-between;align-items:center;gap:12px;padding:11px 0;border-bottom:1px dashed var(--line-soft);}
.status-row:last-child{border-bottom:none;padding-bottom:0;}
.status-row span{font-size:.86rem;color:var(--muted);}
.status-row strong{font-size:.93rem;font-weight:800;}
.status-row strong.ok{color:var(--ok);}

/* ============ SECTION ============ */
.section{padding:72px 0;position:relative;}
.section.alt{
  background:linear-gradient(180deg,rgba(8,18,41,.60),rgba(3,7,18,.24));
  border-top:1px solid var(--line-soft);
  border-bottom:1px solid var(--line-soft);
}
.section-head{max-width:780px;margin-bottom:38px;}
.section-head h2{font-size:clamp(1.38rem,2.4vw,2rem);line-height:1.3;margin:0 0 12px;font-weight:800;}
.section-head p{color:var(--muted);margin:0;font-size:.98rem;line-height:1.72;}
.section-label{
  display:inline-block;font-size:.72rem;font-weight:800;letter-spacing:1.6px;text-transform:uppercase;
  color:var(--cyan);margin-bottom:10px;
}

/* ============ STATS STRIP ============ */
.stats-strip{display:grid;grid-template-columns:repeat(4,1fr);gap:16px;}
.stat-box{
  border-radius:var(--r-lg);
  border:1px solid var(--line);
  background:linear-gradient(160deg,rgba(12,25,50,.82),rgba(5,12,28,.92));
  padding:22px;
}
.stat-box .num{
  font-size:1.7rem;font-weight:900;line-height:1.1;
  background:linear-gradient(96deg,#38BDF8,#60A5FA);
  -webkit-background-clip:text;background-clip:text;color:transparent;
}
.stat-box .cap{font-size:.84rem;color:var(--muted);margin-top:8px;line-height:1.55;}

/* ============ CHECK LIST ============ */
.check-list{list-style:none;margin:0;padding:0;}
.check-list li{display:flex;gap:12px;padding:11px 0;border-bottom:1px dashed var(--line-soft);font-size:.93rem;color:#CBD5E1;}
.check-list li:last-child{border-bottom:none;}
.check-list i{color:var(--cyan);font-size:.95rem;margin-top:4px;flex-shrink:0;}

/* ============ COMPARE ============ */
.compare-wrap{border:1px solid var(--line);border-radius:var(--r-xl);overflow:hidden;background:rgba(6,14,32,.7);}
.compare-row{display:grid;grid-template-columns:1.15fr 1fr 1fr;gap:0;border-bottom:1px solid var(--line-soft);}
.compare-row:last-child{border-bottom:none;}
.compare-row > div{padding:16px 18px;font-size:.9rem;line-height:1.6;}
.compare-row.head > div{
  font-weight:800;font-size:.76rem;letter-spacing:1.2px;text-transform:uppercase;
  color:var(--muted-2);background:rgba(37,99,235,.12);
}
.compare-row .col-good{color:#BBF7D0;background:rgba(74,222,128,.06);}
.compare-row .col-risk{color:#FCA5A5;background:rgba(239,68,68,.05);}
.compare-row .col-key{color:#E2E8F0;font-weight:600;}

/* ============ TIMELINE ============ */
.timeline{position:relative;margin:0;padding:0 0 0 26px;list-style:none;}
.timeline::before{content:"";position:absolute;left:8px;top:6px;bottom:6px;width:2px;background:linear-gradient(180deg,rgba(56,189,248,.7),rgba(37,99,235,.15));}
.timeline li{position:relative;padding:0 0 26px 8px;}
.timeline li:last-child{padding-bottom:0;}
.timeline li::before{
  content:"";position:absolute;left:-26px;top:6px;width:14px;height:14px;border-radius:50%;
  background:#030712;border:2px solid var(--cyan);box-shadow:0 0 12px rgba(56,189,248,.6);
}
.timeline h3{font-size:1rem;font-weight:800;margin:0 0 6px;}
.timeline p{color:var(--muted);font-size:.9rem;margin:0;}

/* ============ NEWS LIST ============ */
.news-card{
  height:100%;border-radius:var(--r-lg);overflow:hidden;
  border:1px solid var(--line);background:rgba(6,14,32,.78);
  transition:transform .25s ease,border-color .25s ease,box-shadow .25s ease;
  display:flex;flex-direction:column;
}
.news-card:hover{transform:translateY(-4px);border-color:rgba(56,189,248,.48);box-shadow:var(--glow-cyan);}
.news-thumb{aspect-ratio:16/9;overflow:hidden;background:rgba(11,22,44,.9);}
.news-thumb img{width:100%;height:100%;object-fit:cover;transition:transform .4s ease;}
.news-card:hover .news-thumb img{transform:scale(1.05);}
.news-body{padding:18px 20px 22px;display:flex;flex-direction:column;gap:10px;flex:1;}
.news-meta{font-size:.74rem;letter-spacing:.6px;text-transform:uppercase;color:var(--muted-2);font-weight:700;display:flex;gap:12px;flex-wrap:wrap;}
.news-body h3{font-size:1rem;font-weight:800;line-height:1.45;margin:0;}
.news-body h3 a{color:var(--text);}
.news-body h3 a:hover{color:var(--cyan);}
.news-body p{font-size:.88rem;color:var(--muted);margin:0;line-height:1.62;}
.empty-note{
  border:1px dashed var(--line);border-radius:var(--r-lg);padding:28px;
  color:var(--muted);font-size:.92rem;text-align:center;background:rgba(6,14,32,.5);
}

/* ============ GUARANTEE ============ */
.guarantee-item{display:flex;gap:14px;padding:18px 0;border-bottom:1px solid var(--line-soft);}
.guarantee-item:last-child{border-bottom:none;}
.guarantee-item i{color:var(--cyan);font-size:1.2rem;margin-top:4px;flex-shrink:0;}
.guarantee-item h3{font-size:1rem;font-weight:800;margin:0 0 6px;}
.guarantee-item p{color:var(--muted);font-size:.9rem;margin:0;}

/* ============ FAQ ============ */
.faq-item{border:1px solid var(--line-soft);border-radius:var(--r-md);margin-bottom:12px;background:rgba(6,14,32,.6);overflow:hidden;transition:border-color .22s ease;}
.faq-item.open{border-color:rgba(56,189,248,.5);box-shadow:var(--glow-cyan);}
.faq-q{
  width:100%;text-align:left;background:transparent;border:none;cursor:pointer;
  padding:18px 20px;font-size:.97rem;font-weight:700;color:var(--text);
  display:flex;justify-content:space-between;align-items:center;gap:16px;
}
.faq-q i{color:var(--cyan);transition:transform .25s ease;flex-shrink:0;}
.faq-item.open .faq-q i{transform:rotate(180deg);}
.faq-a{max-height:0;overflow:hidden;transition:max-height .32s ease;}
.faq-a p{padding:0 20px 20px;margin:0;color:var(--muted);font-size:.91rem;line-height:1.7;}
.faq-item.open .faq-a{max-height:420px;}

/* ============ FORM CTA ============ */
.cta-panel{
  border-radius:var(--r-xl);
  border:1px solid var(--line);
  background:
    radial-gradient(700px 320px at 12% 0%, rgba(37,99,235,.24), transparent 60%),
    linear-gradient(160deg,rgba(13,27,54,.9),rgba(5,12,28,.96));
  padding:34px;
  box-shadow:var(--shadow);
}
.cta-panel h2{font-size:clamp(1.32rem,2.3vw,1.86rem);font-weight:800;margin:0 0 14px;}
.cta-panel p.lead-x{color:#B9C7DB;font-size:.97rem;margin:0 0 22px;line-height:1.7;}
.support-form .form-label{font-size:.82rem;font-weight:700;color:var(--muted);letter-spacing:.4px;margin-bottom:6px;}
.support-form .form-control,.support-form .form-select{
  background:rgba(4,10,24,.85);border:1px solid var(--line);color:var(--text);
  border-radius:var(--r-sm);padding:12px 14px;font-size:.92rem;
}
.support-form .form-control::placeholder{color:var(--muted-2);}
.support-form .form-control:focus,.support-form .form-select:focus{
  background:rgba(4,10,24,.95);border-color:var(--cyan);color:var(--text);
  box-shadow:0 0 0 3px rgba(56,189,248,.18);
}
.support-form .form-select option{background:#081229;color:var(--text);}
.btn-submit{
  width:100%;padding:14px 24px;border-radius:12px;border:none;
  background:linear-gradient(96deg,#2563EB,#38BDF8);color:#02101f;font-weight:800;
  box-shadow:0 0 22px rgba(56,189,248,.42);transition:transform .2s ease,box-shadow .25s ease;
}
.btn-submit:hover{transform:translateY(-2px);box-shadow:0 0 34px rgba(56,189,248,.66);}
.form-hint{font-size:.78rem;color:var(--muted-2);margin-top:12px;}
.trust-row{display:flex;flex-wrap:wrap;gap:10px;margin-top:22px;}
.chip{
  display:inline-flex;align-items:center;gap:8px;
  padding:7px 13px;border-radius:999px;border:1px solid var(--line-soft);
  background:rgba(6,14,32,.7);font-size:.78rem;color:#CBD5E1;font-weight:600;
}
.chip i{color:var(--cyan);font-size:.8rem;}

/* ============ FAB ============ */
.fab-support{
  position:fixed;left:16px;bottom:96px;z-index:50;
  display:inline-flex;align-items:center;gap:10px;
  min-width:56px;min-height:56px;padding:0 18px 0 16px;border-radius:999px;
  background:rgba(7,7,13,.80);
  -webkit-backdrop-filter:blur(12px);backdrop-filter:blur(12px);
  border:1px solid transparent;
  background-image:linear-gradient(rgba(7,7,13,.86),rgba(7,7,13,.86)),
    linear-gradient(120deg,#38BDF8,#2563EB);
  background-origin:border-box;background-clip:padding-box,border-box;
  color:var(--text);font-size:.84rem;font-weight:800;
  box-shadow:0 0 20px rgba(56,189,248,.45);
  opacity:.78;transition:opacity .25s ease,box-shadow .3s ease,transform .2s ease;
}
.fab-support:hover{opacity:1;color:#fff;box-shadow:0 0 30px rgba(56,189,248,.72);}
.fab-support:active{transform:scale(.96);}
.fab-support i{color:var(--cyan);font-size:1.05rem;animation:fabFlicker 2.6s infinite;}
.fab-support .dot{
  position:absolute;top:6px;right:8px;width:10px;height:10px;border-radius:50%;
  background:#38BDF8;box-shadow:0 0 10px rgba(56,189,248,.9);animation:pulseDot 1.6s infinite;
}
@keyframes fabFlicker{0%,88%,100%{opacity:1;}92%{opacity:.35;}96%{opacity:1;}}
@keyframes pulseDot{0%,100%{transform:scale(1);opacity:1;}50%{transform:scale(1.35);opacity:.6;}}

/* ============ FOOTER ============ */
.site-footer{
  margin-top:20px;padding:56px 0 26px;
  background:linear-gradient(180deg,rgba(8,18,41,.75),rgba(3,7,18,.98));
  border-top:1px solid var(--line);
}
.footer-grid{display:grid;grid-template-columns:1.5fr 1fr 1fr 1fr;gap:34px;}
.footer-brand .brand-mark{display:block;margin-bottom:10px;}
.footer-brand p{color:var(--muted);font-size:.88rem;line-height:1.7;margin:0 0 18px;max-width:380px;}
.badge-row{display:flex;flex-wrap:wrap;gap:8px;}
.badge-18,.badge-sec{
  font-size:.68rem;font-weight:800;letter-spacing:1px;
  padding:5px 11px;border-radius:999px;border:1px solid var(--line);
  background:rgba(37,99,235,.15);color:#BAE6FD;
}
.badge-18{border-color:rgba(239,68,68,.5);color:#FCA5A5;background:rgba(239,68,68,.12);}
.footer-col h4{font-size:.8rem;text-transform:uppercase;letter-spacing:1.3px;color:var(--muted-2);font-weight:800;margin:0 0 14px;}
.footer-col ul{list-style:none;margin:0;padding:0;}
.footer-col li{margin-bottom:9px;}
.footer-col a{color:var(--muted);font-size:.88rem;}
.footer-col a:hover{color:var(--cyan);}
.footer-bottom{
  display:flex;justify-content:space-between;gap:16px;flex-wrap:wrap;
  margin-top:38px;padding-top:20px;border-top:1px solid var(--line-soft);
  color:var(--muted-2);font-size:.8rem;
}

/* ============ RESPONSIVE ============ */
@media (max-width:1024px){
  .nav-toggle{display:inline-flex;}
  .main-nav{
    position:absolute;top:100%;left:0;right:0;margin-left:0;
    background:rgba(4,10,24,.98);
    border-bottom:1px solid var(--line);
    padding:14px 20px 20px;display:none;
    box-shadow:0 26px 40px -24px rgba(0,0,0,.9);
  }
  .main-nav.open{display:block;}
  .nav-list{flex-direction:column;align-items:stretch;gap:6px;}
  .nav-list a{padding:12px 14px;font-size:.95rem;}
  .header-inner{gap:12px;}
  .stats-strip{grid-template-columns:repeat(2,1fr);}
  .footer-grid{grid-template-columns:1fr 1fr;gap:28px;}
}
@media (max-width:768px){
  .brand-sub{display:none;}
  .brand-mark{font-size:1.12rem;}
  .btn-ghost{padding:8px 12px;font-size:.8rem;}
  .btn-neon{padding:9px 14px;font-size:.8rem;}
  .cat-hero-inner{padding:48px 0 36px;}
  .section{padding:54px 0;}
  .compare-row{grid-template-columns:1fr;}
  .compare-row.head{display:none;}
  .compare-row > div{padding:12px 16px;}
  .compare-row .col-key{padding-top:16px;font-size:.78rem;text-transform:uppercase;letter-spacing:1.1px;color:var(--muted-2);}
  .cta-panel{padding:24px;}
  .footer-grid{grid-template-columns:1fr;}
  .footer-bottom{flex-direction:column;gap:8px;}
  .fab-support{padding:0 16px;font-size:.8rem;}
}
@media (max-width:520px){
  .stats-strip{grid-template-columns:1fr;}
  .hero-shot img{aspect-ratio:4/3;}
  .fab-support span.fab-text{display:none;}
  .fab-support{padding:0;width:56px;justify-content:center;}
}

/* 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}