/* roulang page: index */
:root{
  --bg:#0A0A0A;
  --bg-soft:#121110;
  --surface:#171614;
  --surface-2:#1E1B19;
  --line:rgba(255,255,255,.09);
  --line-strong:rgba(234,88,12,.38);
  --text:#FFFFFF;
  --muted:#A3A3A3;
  --ember:#FDBA74;
  --orange:#EA580C;
  --red:#EF4444;
  --amber:#F59E0B;
  --green:#10B981;
  --grad:linear-gradient(135deg,#EA580C 0%,#EF4444 52%,#F59E0B 100%);
  --grad-soft:linear-gradient(150deg,rgba(234,88,12,.16),rgba(239,68,68,.05));
  --r-xl:28px; --r-lg:20px; --r-md:14px; --r-sm:10px; --r-pill:999px;
  --shadow-1:0 4px 24px rgba(234,88,12,.25);
  --shadow-2:0 18px 52px rgba(0,0,0,.55);
  --container:1200px;
  --sect:clamp(54px,6.6vw,96px);
}
*,*::before,*::after{box-sizing:border-box}
html{scroll-behavior:smooth}
body{
  margin:0;
  background:var(--bg);
  color:var(--text);
  font-family:'Be Vietnam Pro',system-ui,-apple-system,'Segoe UI',Roboto,sans-serif;
  font-size:16px;
  line-height:1.62;
  -webkit-font-smoothing:antialiased;
}
img{max-width:100%;display:block;height:auto}
a{color:var(--ember);text-decoration:none;transition:color .2s ease,border-color .2s ease}
a:hover{color:#fff}
h1,h2,h3,h4{font-weight:800;letter-spacing:-.02em;line-height:1.22;margin:0}
p{margin:0 0 16px}
ul{margin:0;padding:0;list-style:none}
button,input{font-family:inherit}
:focus-visible{outline:2px solid var(--amber);outline-offset:3px;border-radius:6px}
.container{width:100%;max-width:var(--container);margin:0 auto;padding:0 20px}
.section{padding:var(--sect) 0;position:relative}
.section + .section{border-top:1px solid var(--line)}
.section--alt{background:linear-gradient(180deg,rgba(255,255,255,.022),rgba(255,255,255,0))}
.section--dark{background:linear-gradient(160deg,#100E0D 0%,#0A0A0A 70%)}
section[id]{scroll-margin-top:96px}

/* HEADER */
.site-header{
  position:sticky;top:0;z-index:80;
  background:rgba(10,10,10,.86);
  backdrop-filter:blur(14px);
  border-bottom:1px solid var(--line);
}
.nav-wrap{display:flex;align-items:center;gap:18px;min-height:72px}
.brand{display:flex;align-items:center;gap:11px;color:#fff;flex-shrink:0}
.brand:hover{color:#fff}
.brand-mark{
  width:38px;height:38px;border-radius:12px;display:grid;place-items:center;
  background:var(--grad);font-size:18px;line-height:1;box-shadow:var(--shadow-1);
}
.brand-text{display:flex;flex-direction:column;font-weight:800;font-size:15px;line-height:1.15;letter-spacing:-.01em}
.brand-text small{font-weight:500;font-size:11px;color:var(--muted);letter-spacing:.04em;text-transform:uppercase}
.main-nav{display:flex;align-items:center;gap:4px;margin-left:auto}
.nav-link{
  display:inline-block;padding:9px 13px;border-radius:var(--r-pill);
  color:#D4D4D4;font-size:14.5px;font-weight:500;white-space:nowrap;
}
.nav-link:hover{color:#fff;background:rgba(255,255,255,.06)}
.nav-link.active{color:var(--ember);background:rgba(234,88,12,.14);box-shadow:inset 0 0 0 1px var(--line-strong)}
.nav-actions{display:flex;align-items:center;gap:10px;flex-shrink:0}
.btn-ghost{
  display:inline-flex;align-items:center;justify-content:center;
  padding:10px 16px;border-radius:var(--r-pill);border:1px solid rgba(255,255,255,.2);
  color:#fff;font-size:14px;font-weight:600;background:transparent;
}
.btn-ghost:hover{border-color:var(--orange);color:var(--ember);background:rgba(234,88,12,.08)}
.btn-brand{
  display:inline-flex;align-items:center;justify-content:center;gap:8px;
  padding:11px 20px;border-radius:var(--r-pill);border:0;background:var(--grad);
  color:#1B0C03;font-size:14.5px;font-weight:800;box-shadow:var(--shadow-1);
  transition:transform .2s ease,box-shadow .2s ease,filter .2s ease;
}
.btn-brand:hover{color:#1B0C03;filter:brightness(1.08);transform:translateY(-2px);box-shadow:0 8px 30px rgba(239,68,68,.42)}
.btn-brand:active{transform:translateY(0) scale(.98)}
.btn-lg-x{padding:15px 28px;font-size:16px}
.btn-outline{
  display:inline-flex;align-items:center;justify-content:center;gap:8px;
  padding:14px 24px;border-radius:var(--r-pill);border:1px solid var(--line-strong);
  color:var(--ember);background:rgba(234,88,12,.07);font-weight:700;font-size:15px;
}
.btn-outline:hover{background:rgba(234,88,12,.16);color:#fff}
.nav-toggle{
  display:none;width:44px;height:44px;border-radius:12px;border:1px solid var(--line);
  background:rgba(255,255,255,.04);padding:0;place-items:center;gap:4px;flex-direction:column;
}
.nav-toggle span{display:block;width:18px;height:2px;background:#fff;border-radius:2px}
.mobile-drawer{display:none;border-top:1px solid var(--line);background:rgba(12,12,12,.98);padding:14px 20px 22px}
.mobile-drawer.open{display:block}
.mobile-drawer a{display:block;padding:12px 14px;border-radius:var(--r-md);color:#E5E5E5;font-weight:600;font-size:15px}
.mobile-drawer a.active{color:var(--ember);background:rgba(234,88,12,.12)}
.mobile-drawer a + a{margin-top:4px}

/* HERO */
.hero{
  position:relative;
  padding:clamp(46px,6.4vw,92px) 0 clamp(50px,6.4vw,84px);
  background:
    linear-gradient(180deg,rgba(10,10,10,.93) 0%,rgba(10,10,10,.88) 48%,#0A0A0A 100%),
    radial-gradient(880px 420px at 10% 0%,rgba(234,88,12,.30),transparent 62%),
    url('/assets/images/33f3b7444dfee3a1.jpg') center/cover no-repeat;
  border-bottom:1px solid var(--line);
}
.chip{
  display:inline-flex;align-items:center;gap:9px;padding:7px 15px;border-radius:var(--r-pill);
  background:rgba(234,88,12,.13);border:1px solid var(--line-strong);color:var(--ember);
  font-size:12px;font-weight:700;letter-spacing:.09em;text-transform:uppercase;
}
.hero-grid{display:grid;grid-template-columns:1.06fr .94fr;gap:clamp(28px,4vw,56px);align-items:start;margin-top:26px}
.hero h1{font-size:clamp(28px,4.1vw,50px);line-height:1.14;margin:18px 0 18px}
.hero-lead{color:#D6D3D1;font-size:clamp(15.5px,1.55vw,17.5px);max-width:640px;line-height:1.68}
.hero-actions{display:flex;flex-wrap:wrap;gap:14px;margin:26px 0 30px}
.hero-stats{display:grid;grid-template-columns:repeat(2,minmax(0,1fr));gap:14px;max-width:620px}
.hstat{
  background:rgba(255,255,255,.035);border:1px solid var(--line);border-radius:var(--r-md);
  padding:14px 16px;
}
.hstat b{display:block;font-size:20px;font-weight:800;color:var(--ember)}
.hstat span{font-size:12.5px;color:var(--muted);line-height:1.45;display:block;margin-top:3px}
.paper-card{
  background:linear-gradient(165deg,#1B1815 0%,#121110 100%);
  border:1px solid var(--line);border-radius:var(--r-xl);padding:22px;
  box-shadow:var(--shadow-2);
}
.paper-cover{position:relative;border-radius:var(--r-md);overflow:hidden;border:1px solid var(--line)}
.paper-cover img{width:100%;aspect-ratio:16/10;object-fit:cover}
.paper-tag{
  position:absolute;top:12px;left:12px;padding:6px 12px;border-radius:var(--r-pill);
  background:rgba(10,10,10,.78);border:1px solid var(--line-strong);color:var(--ember);
  font-size:11.5px;font-weight:700;letter-spacing:.08em;text-transform:uppercase;
}
.paper-title{font-size:17px;font-weight:800;margin:16px 0 10px}
.toc{display:grid;gap:8px;margin-bottom:18px}
.toc li{display:flex;gap:10px;font-size:14px;color:#D6D3D1;line-height:1.5}
.toc li i{color:var(--orange);font-style:normal;font-weight:800}
.lead-form{display:grid;gap:10px;padding-top:16px;border-top:1px dashed rgba(255,255,255,.14)}
.lead-form label{font-size:13px;color:var(--muted);font-weight:600}
.lead-form input{
  width:100%;padding:13px 15px;border-radius:var(--r-sm);background:#0D0C0B;
  border:1px solid var(--line);color:#fff;font-size:14.5px;
}
.lead-form input::placeholder{color:#6B6B6B}
.lead-form input:focus{border-color:var(--orange);outline:none;box-shadow:0 0 0 3px rgba(234,88,12,.22)}
.form-note{font-size:12px;color:#7A7A7A;line-height:1.5}

/* SECTIONS */
.sec-head{max-width:820px;margin-bottom:clamp(28px,3.4vw,46px);text-align:left}
.sec-head .eyebrow{
  display:inline-block;font-size:11.5px;font-weight:700;letter-spacing:.14em;text-transform:uppercase;
  color:var(--orange);margin-bottom:12px;
}
.sec-title{font-size:clamp(23px,3vw,36px);margin-bottom:14px}
.sec-sub{color:var(--muted);font-size:15.5px;line-height:1.68;margin:0}
.body-text{color:#C7C7C7;font-size:15.5px;line-height:1.7}
.body-text strong{color:#fff}

/* METRICS STRIP */
.metric-grid{display:grid;grid-template-columns:repeat(4,minmax(0,1fr));gap:16px}
.metric{
  border:1px solid var(--line);border-radius:var(--r-lg);padding:22px;
  background:linear-gradient(160deg,rgba(255,255,255,.045),rgba(255,255,255,.012));
}
.metric b{
  display:block;font-size:clamp(24px,2.9vw,34px);font-weight:800;
  background:var(--grad);-webkit-background-clip:text;background-clip:text;color:transparent;
}
.metric span{display:block;font-size:13px;color:var(--muted);line-height:1.55;margin-top:6px}

/* CARDS */
.card-x{
  height:100%;background:linear-gradient(165deg,#191716 0%,#121110 100%);
  border:1px solid var(--line);border-radius:var(--r-lg);padding:24px;
  transition:transform .25s ease,border-color .25s ease,box-shadow .25s ease;
}
.card-x:hover{transform:translateY(-5px);border-color:var(--line-strong);box-shadow:var(--shadow-1)}
.card-x h3{font-size:17.5px;margin-bottom:10px}
.card-x p{color:var(--muted);font-size:14.5px;line-height:1.66;margin:0}
.card-num{
  display:inline-flex;align-items:center;justify-content:center;width:34px;height:34px;
  border-radius:11px;background:rgba(234,88,12,.16);border:1px solid var(--line-strong);
  color:var(--ember);font-weight:800;font-size:14px;margin-bottom:14px;
}
.tag{
  display:inline-block;padding:4px 11px;border-radius:var(--r-pill);font-size:11.5px;
  font-weight:700;letter-spacing:.06em;text-transform:uppercase;
  background:rgba(239,68,68,.14);border:1px solid rgba(239,68,68,.34);color:#FCA5A5;
}
.tag--safe{background:rgba(16,185,129,.13);border-color:rgba(16,185,129,.34);color:#6EE7B7}

/* SPLIT BLOCK */
.split{display:grid;grid-template-columns:1.05fr .95fr;gap:clamp(24px,3.6vw,48px);align-items:center}
.split-media{border-radius:var(--r-xl);overflow:hidden;border:1px solid var(--line);box-shadow:var(--shadow-2)}
.split-media img{width:100%;aspect-ratio:4/3;object-fit:cover}
.bullet-list{display:grid;gap:12px;margin-top:20px}
.bullet-list li{display:flex;gap:12px;font-size:15px;color:#CFCFCF;line-height:1.62}
.bullet-list li::before{
  content:"";flex:0 0 auto;width:9px;height:9px;margin-top:8px;border-radius:50%;
  background:var(--grad);box-shadow:0 0 0 4px rgba(234,88,12,.14);
}

/* TRICK ROWS */
.trick-row{
  display:grid;grid-template-columns:74px 1fr;gap:22px;padding:26px 0;
  border-bottom:1px dashed rgba(255,255,255,.12);
}
.trick-row:last-child{border-bottom:0;padding-bottom:0}
.trick-row h3{font-size:19px;margin-bottom:10px}
.trick-row p{color:var(--muted);font-size:15px;line-height:1.68;margin:0}
.trick-idx{
  width:74px;height:74px;border-radius:20px;display:grid;place-items:center;
  background:var(--grad-soft);border:1px solid var(--line-strong);color:var(--ember);
  font-size:22px;font-weight:800;
}

/* STEPS */
.steps{display:grid;grid-template-columns:repeat(2,minmax(0,1fr));gap:16px}
.step{
  display:grid;grid-template-columns:52px 1fr;gap:16px;padding:22px;
  border:1px solid var(--line);border-radius:var(--r-lg);
  background:linear-gradient(160deg,rgba(255,255,255,.04),rgba(255,255,255,.012));
}
.step-num{
  width:52px;height:52px;border-radius:16px;display:grid;place-items:center;
  background:var(--grad);color:#1B0C03;font-weight:800;font-size:17px;
}
.step h3{font-size:16px;margin-bottom:8px}
.step p{color:var(--muted);font-size:14px;line-height:1.62;margin:0}

/* EVIDENCE */
.evidence-grid{display:grid;grid-template-columns:repeat(3,minmax(0,1fr));gap:18px}
.evidence{border:1px solid var(--line);border-radius:var(--r-lg);overflow:hidden;background:var(--surface)}
.evidence img{width:100%;aspect-ratio:16/11;object-fit:cover}
.evidence-body{padding:18px}
.evidence-body h3{font-size:15.5px;margin-bottom:8px}
.evidence-body p{font-size:13.5px;color:var(--muted);line-height:1.6;margin:0}

/* TABLE */
.table-scroll{overflow-x:auto;border:1px solid var(--line);border-radius:var(--r-lg);background:var(--surface)}
table.compare{width:100%;min-width:680px;border-collapse:collapse}
table.compare th,table.compare td{padding:16px 18px;text-align:left;border-bottom:1px solid var(--line);font-size:14.5px;vertical-align:top}
table.compare thead th{
  background:linear-gradient(150deg,rgba(234,88,12,.16),rgba(239,68,68,.05));
  font-size:13px;letter-spacing:.06em;text-transform:uppercase;color:#fff;
}
table.compare tbody th{font-weight:600;color:#E5E5E5;width:26%}
table.compare tbody tr:last-child th,table.compare tbody tr:last-child td{border-bottom:0}
table.compare td.safe{color:#9BE7C4}
table.compare td.risk{color:#FCA5A5}

/* SCENARIO */
.scenario{display:grid;grid-template-columns:repeat(2,minmax(0,1fr));gap:16px}
.scenario-item{
  border-left:3px solid var(--orange);padding:18px 20px;border-radius:0 var(--r-md) var(--r-md) 0;
  background:linear-gradient(90deg,rgba(234,88,12,.10),rgba(255,255,255,.012));
}
.scenario-item h3{font-size:16px;margin-bottom:8px}
.scenario-item p{font-size:14px;color:var(--muted);line-height:1.64;margin:0}

/* RESULT */
.result-grid{display:grid;grid-template-columns:1.1fr .9fr;gap:clamp(24px,3.6vw,44px);align-items:center}
.result-cards{display:grid;grid-template-columns:repeat(2,minmax(0,1fr));gap:14px}
.result-card{border:1px solid var(--line);border-radius:var(--r-lg);padding:20px;background:var(--surface-2)}
.result-card b{display:block;font-size:26px;font-weight:800;color:var(--ember)}
.result-card span{font-size:12.8px;color:var(--muted);line-height:1.5;display:block;margin-top:5px}

/* TESTIMONIALS */
.quotes{display:grid;grid-template-columns:repeat(3,minmax(0,1fr));gap:18px}
.quote{border:1px solid var(--line);border-radius:var(--r-lg);padding:24px;background:linear-gradient(165deg,rgba(255,255,255,.045),rgba(255,255,255,.012))}
.quote p{font-size:14.5px;color:#D4D4D4;line-height:1.68;margin-bottom:16px}
.quote-who{display:flex;align-items:center;gap:12px;font-size:13px;color:var(--muted)}
.quote-who b{color:#fff;font-weight:700;display:block;font-size:13.5px}
.avatar{width:38px;height:38px;border-radius:50%;background:var(--grad);display:grid;place-items:center;color:#1B0C03;font-weight:800;font-size:14px}

/* CATEGORY WALL */
.cat-grid{display:grid;grid-template-columns:repeat(3,minmax(0,1fr));gap:18px}
.cat-card{
  display:block;border:1px solid var(--line);border-radius:var(--r-lg);overflow:hidden;
  background:linear-gradient(165deg,#191716,#121110);color:#fff;height:100%;
  transition:transform .25s ease,border-color .25s ease,box-shadow .25s ease;
}
.cat-card:hover{color:#fff;transform:translateY(-5px);border-color:var(--line-strong);box-shadow:var(--shadow-1)}
.cat-card img{width:100%;aspect-ratio:16/9;object-fit:cover}
.cat-body{padding:20px}
.cat-body h3{font-size:16.5px;margin-bottom:9px}
.cat-body p{font-size:13.8px;color:var(--muted);line-height:1.62;margin:0 0 14px}
.cat-more{font-size:13px;font-weight:700;color:var(--ember)}

/* NEWS */
.news-list{display:grid;gap:16px}
.news-item{
  display:grid;grid-template-columns:190px 1fr;gap:18px;
  border:1px solid var(--line);border-radius:var(--r-lg);overflow:hidden;
  background:linear-gradient(160deg,#191716,#121110);
  transition:border-color .25s ease,transform .25s ease;
}
.news-item:hover{border-color:var(--line-strong);transform:translateX(4px)}
.news-item img{width:100%;height:100%;min-height:132px;object-fit:cover}
.news-body{padding:18px 18px 18px 0}
.news-meta{display:flex;flex-wrap:wrap;gap:10px;font-size:12px;color:var(--muted);margin-bottom:8px;text-transform:uppercase;letter-spacing:.06em}
.news-meta span{color:var(--orange);font-weight:700}
.news-body h3{font-size:16.5px;margin-bottom:8px;color:#fff}
.news-body h3 a{color:#fff}
.news-body h3 a:hover{color:var(--ember)}
.news-body p{font-size:13.8px;color:var(--muted);line-height:1.6;margin:0}
.side-panel{border:1px solid var(--line);border-radius:var(--r-lg);padding:22px;background:var(--surface-2);height:100%}
.side-panel h3{font-size:15.5px;margin-bottom:16px}
.side-list li + li{margin-top:14px;padding-top:14px;border-top:1px dashed rgba(255,255,255,.12)}
.side-list a{font-size:14px;color:#E5E5E5;font-weight:600;line-height:1.5;display:block}
.side-list a:hover{color:var(--ember)}
.side-list small{display:block;font-size:12px;color:var(--muted);margin-top:5px}
.empty-note{font-size:14px;color:var(--muted);padding:22px;border:1px dashed var(--line);border-radius:var(--r-lg)}

/* FAQ */
.faq-list{display:grid;gap:14px;max-width:920px}
.faq-item{border:1px solid var(--line);border-radius:var(--r-lg);padding:22px;background:linear-gradient(160deg,rgba(255,255,255,.04),rgba(255,255,255,.012))}
.faq-item h3{font-size:16.5px;margin-bottom:10px;display:flex;gap:12px}
.faq-item h3 i{font-style:normal;color:var(--orange);font-weight:800}
.faq-item p{font-size:14.5px;color:var(--muted);line-height:1.68;margin:0}

/* DOWNLOAD */
.download{
  border:1px solid var(--line-strong);border-radius:var(--r-xl);overflow:hidden;
  background:
    linear-gradient(150deg,rgba(234,88,12,.18),rgba(10,10,10,.92) 58%),
    url('/assets/images/9022046b5d552115.jpg') center/cover no-repeat;
  padding:clamp(26px,4vw,46px);
}
.download-grid{display:grid;grid-template-columns:1.1fr .9fr;gap:clamp(24px,3.6vw,44px);align-items:center}
.download h2{font-size:clamp(22px,2.9vw,34px);margin-bottom:14px}
.download p{color:#E0DCD8;font-size:15px;line-height:1.68}
.dl-list{display:grid;gap:10px;margin:20px 0 0}
.dl-list li{display:flex;gap:11px;font-size:14.5px;color:#F0ECE8}
.dl-list li::before{content:"✓";color:var(--amber);font-weight:800}
.dl-form{background:rgba(9,9,9,.82);border:1px solid var(--line);border-radius:var(--r-lg);padding:22px;backdrop-filter:blur(8px)}
.dl-form h3{font-size:17px;margin-bottom:8px}
.dl-form p{font-size:13.5px;color:var(--muted);margin-bottom:16px}

/* FOOTER */
.site-footer{background:#080808;border-top:1px solid var(--line);padding:clamp(40px,5vw,68px) 0 26px;margin-top:0}
.foot-grid{display:grid;grid-template-columns:1.4fr 1fr 1fr 1fr;gap:clamp(22px,3vw,40px)}
.foot-brand{display:flex;align-items:center;gap:11px;margin-bottom:16px;color:#fff;font-weight:800}
.foot-about{font-size:13.8px;color:var(--muted);line-height:1.68;max-width:340px}
.foot-col h4{font-size:13px;letter-spacing:.1em;text-transform:uppercase;color:#fff;margin-bottom:16px}
.foot-col li + li{margin-top:10px}
.foot-col a{font-size:14px;color:#BDBDBD}
.foot-col a:hover{color:var(--ember)}
.foot-note{
  margin-top:34px;padding-top:20px;border-top:1px solid var(--line);
  display:flex;flex-wrap:wrap;gap:16px;align-items:center;justify-content:space-between;
  font-size:12.8px;color:#7A7A7A;
}
.badge-18{
  display:inline-flex;align-items:center;gap:8px;padding:5px 12px;border-radius:var(--r-pill);
  border:1px solid var(--line);color:#CFCFCF;font-weight:700;font-size:12px;
}

/* FAB */
.fab{
  position:fixed;left:16px;bottom:96px;z-index:70;
  display:inline-flex;align-items:center;gap:10px;
  padding:12px 18px;border-radius:var(--r-pill);
  border:1px solid transparent;
  background-image:linear-gradient(rgba(10,10,10,.88),rgba(10,10,10,.88)),var(--grad);
  background-origin:border-box;background-clip:padding-box,border-box;
  color:#fff;font-size:13.5px;font-weight:700;
  box-shadow:0 0 20px rgba(234,88,12,.45);
  opacity:.8;transition:opacity .25s ease,transform .25s ease,box-shadow .25s ease;
}
.fab:hover{opacity:1;color:#fff;transform:translateY(-3px);box-shadow:0 0 30px rgba(239,68,68,.6)}
.fab:active{transform:translateY(1px) scale(.97)}
.fab-ico{font-size:16px;line-height:1;animation:fabPulse 2.4s ease-in-out infinite}
.fab-dot{
  position:absolute;top:-2px;right:-2px;width:12px;height:12px;border-radius:50%;
  background:var(--red);box-shadow:0 0 0 3px rgba(10,10,10,.92);animation:dotPulse 1.5s infinite;
}
@keyframes fabPulse{0%,100%{transform:translateY(0)}50%{transform:translateY(-2px)}}
@keyframes dotPulse{0%,100%{opacity:1;transform:scale(1)}50%{opacity:.5;transform:scale(.82)}}

/* RESPONSIVE */
@media (max-width:1100px){
  .main-nav{display:none}
  .nav-toggle{display:flex}
  .nav-actions{margin-left:auto}
  .hero-grid{grid-template-columns:1fr;gap:34px}
  .metric-grid{grid-template-columns:repeat(2,minmax(0,1fr))}
  .foot-grid{grid-template-columns:1fr 1fr}
}
@media (max-width:900px){
  .split,.result-grid,.download-grid{grid-template-columns:1fr}
  .evidence-grid,.quotes,.cat-grid{grid-template-columns:1fr}
  .steps,.scenario{grid-template-columns:1fr}
  .news-item{grid-template-columns:1fr}
  .news-item img{min-height:180px}
  .news-body{padding:0 18px 20px}
}
@media (max-width:640px){
  .brand-text{display:none}
  .nav-wrap{gap:10px;min-height:64px}
  .btn-ghost,.btn-brand{padding:9px 13px;font-size:12.5px}
  .hero-stats{grid-template-columns:1fr}
  .metric-grid{grid-template-columns:1fr}
  .result-cards{grid-template-columns:1fr}
  .trick-row{grid-template-columns:1fr;gap:14px}
  .trick-idx{width:56px;height:56px;border-radius:16px;font-size:18px}
  .foot-grid{grid-template-columns:1fr}
  .fab{bottom:84px;left:12px;padding:10px 14px;font-size:12.5px}
  .hero-actions .btn-brand,.hero-actions .btn-outline{width:100%}
}

/* roulang page: category1 */
/* ================= DESIGN SYSTEM ================= */
:root{
  --bg:#0A0A0A;
  --bg-soft:#121110;
  --surface:#171614;
  --surface-2:#1E1B19;
  --line:rgba(255,255,255,.09);
  --line-strong:rgba(234,88,12,.38);
  --text:#FFFFFF;
  --muted:#A3A3A3;
  --ember:#FDBA74;
  --orange:#EA580C;
  --red:#EF4444;
  --amber:#F59E0B;
  --green:#10B981;
  --grad:linear-gradient(135deg,#EA580C 0%,#EF4444 52%,#F59E0B 100%);
  --grad-soft:linear-gradient(150deg,rgba(234,88,12,.16),rgba(239,68,68,.05));
  --r-xl:28px; --r-lg:20px; --r-md:14px; --r-sm:10px; --r-pill:999px;
  --shadow-1:0 4px 24px rgba(234,88,12,.25);
  --shadow-2:0 18px 52px rgba(0,0,0,.55);
  --container:1200px;
  --sect:clamp(54px,6.6vw,96px);
}
*,*::before,*::after{box-sizing:border-box}
html{scroll-behavior:smooth;-webkit-text-size-adjust:100%}
body{
  margin:0;background:var(--bg);color:var(--text);
  font-family:'Be Vietnam Pro',system-ui,-apple-system,'Segoe UI',Roboto,sans-serif;
  font-size:16px;line-height:1.62;-webkit-font-smoothing:antialiased;
}
img{max-width:100%;height:auto;display:block}
a{color:var(--ember);text-decoration:none;transition:color .2s ease,border-color .2s ease,background-color .2s ease}
a:hover{color:#fff}
h1,h2,h3,h4{margin:0;font-weight:800;letter-spacing:-.015em;line-height:1.22}
p{margin:0 0 14px}
ul{margin:0;padding:0;list-style:none}
button,input,select,textarea{font-family:inherit}
:focus-visible{outline:2px solid var(--orange);outline-offset:3px;border-radius:6px}
.container{width:100%;max-width:var(--container);margin:0 auto;padding:0 20px}

/* ================= SECTIONS ================= */
.section{padding:var(--sect) 0;position:relative}
.section + .section{border-top:1px solid var(--line)}
.section--alt{background:linear-gradient(180deg,rgba(255,255,255,.022),rgba(255,255,255,0))}
.section--dark{background:linear-gradient(160deg,#100E0D 0%,#0A0A0A 70%)}
section[id]{scroll-margin-top:96px}
.sec-head{max-width:820px;margin-bottom:clamp(26px,3vw,44px)}
.sec-eyebrow{
  display:inline-flex;align-items:center;gap:8px;padding:6px 14px;border-radius:var(--r-pill);
  background:rgba(234,88,12,.12);border:1px solid var(--line-strong);color:var(--ember);
  font-size:11.5px;font-weight:700;letter-spacing:.1em;text-transform:uppercase;margin-bottom:16px;
}
.sec-title{font-size:clamp(23px,2.9vw,36px);margin-bottom:14px}
.sec-sub{color:var(--muted);font-size:15.5px;line-height:1.68;margin:0;max-width:760px}

/* ================= HEADER / NAV ================= */
.site-header{
  position:sticky;top:0;z-index:80;
  background:rgba(10,10,10,.86);backdrop-filter:blur(14px);
  border-bottom:1px solid var(--line);
}
.nav-wrap{display:flex;align-items:center;gap:18px;min-height:72px}
.brand{display:flex;align-items:center;gap:11px;color:#fff;flex-shrink:0}
.brand:hover{color:#fff}
.brand-mark{
  width:38px;height:38px;border-radius:12px;display:grid;place-items:center;
  background:var(--grad);font-size:18px;line-height:1;box-shadow:var(--shadow-1);
}
.brand-text{display:flex;flex-direction:column;font-weight:800;font-size:15px;line-height:1.15;letter-spacing:-.01em}
.brand-text small{font-weight:500;font-size:11px;color:var(--muted);letter-spacing:.04em;text-transform:uppercase}
.main-nav{display:flex;align-items:center;gap:4px;margin-left:auto}
.nav-link{
  display:inline-block;padding:9px 13px;border-radius:var(--r-pill);
  color:#D4D4D4;font-size:14.5px;font-weight:500;white-space:nowrap;
}
.nav-link:hover{color:#fff;background:rgba(255,255,255,.06)}
.nav-link.active{color:var(--ember);background:rgba(234,88,12,.14);box-shadow:inset 0 0 0 1px var(--line-strong)}
.nav-actions{display:flex;align-items:center;gap:10px;flex-shrink:0}
.btn-ghost{
  display:inline-flex;align-items:center;justify-content:center;
  padding:10px 16px;border-radius:var(--r-pill);border:1px solid rgba(255,255,255,.2);
  color:#fff;font-size:14px;font-weight:600;background:transparent;
}
.btn-ghost:hover{border-color:var(--orange);color:var(--ember);background:rgba(234,88,12,.08)}
.btn-brand{
  display:inline-flex;align-items:center;justify-content:center;gap:8px;
  padding:11px 20px;border-radius:var(--r-pill);border:0;background:var(--grad);
  color:#1B0C03;font-size:14.5px;font-weight:800;box-shadow:var(--shadow-1);
  transition:transform .2s ease,box-shadow .2s ease,filter .2s ease;
}
.btn-brand:hover{color:#1B0C03;filter:brightness(1.08);transform:translateY(-2px);box-shadow:0 8px 30px rgba(239,68,68,.42)}
.btn-brand:active{transform:translateY(0) scale(.98)}
.btn-lg-x{padding:15px 28px;font-size:16px}
.btn-outline{
  display:inline-flex;align-items:center;justify-content:center;gap:8px;
  padding:14px 24px;border-radius:var(--r-pill);border:1px solid var(--line-strong);
  color:var(--ember);background:rgba(234,88,12,.07);font-weight:700;font-size:15px;
}
.btn-outline:hover{background:rgba(234,88,12,.16);color:#fff}
.nav-toggle{
  display:none;width:44px;height:44px;border-radius:12px;border:1px solid var(--line);
  background:rgba(255,255,255,.04);padding:0;place-items:center;gap:4px;flex-direction:column;cursor:pointer;
}
.nav-toggle span{display:block;width:18px;height:2px;background:#fff;border-radius:2px}
.mobile-drawer{display:none;border-top:1px solid var(--line);background:rgba(12,12,12,.98);padding:14px 20px 22px}
.mobile-drawer.open{display:block}
.mobile-drawer a{display:block;padding:12px 14px;border-radius:var(--r-md);color:#E5E5E5;font-weight:600;font-size:15px}
.mobile-drawer a.active{color:var(--ember);background:rgba(234,88,12,.12)}
.mobile-drawer a + a{margin-top:4px}

/* ================= HERO ================= */
.hero{
  position:relative;overflow:hidden;
  padding:clamp(42px,5.6vw,84px) 0 clamp(46px,5.6vw,78px);
  background:
    linear-gradient(180deg,rgba(10,10,10,.94) 0%,rgba(10,10,10,.9) 52%,#0A0A0A 100%),
    radial-gradient(760px 380px at 6% 0%,rgba(234,88,12,.32),transparent 62%),
    radial-gradient(620px 320px at 92% 12%,rgba(239,68,68,.2),transparent 64%),
    url('/assets/images/9022046b5d552115.jpg') center/cover no-repeat;
  border-bottom:1px solid var(--line);
}
.hero-top{display:flex;flex-wrap:wrap;align-items:center;gap:14px;justify-content:space-between}
.hero-updated{color:var(--muted);font-size:13px;letter-spacing:.02em}
.hero h1{font-size:clamp(27px,3.9vw,46px);line-height:1.15;margin:20px 0 18px;max-width:760px}
.hero-lead{color:#D6D3D1;font-size:clamp(15.5px,1.5vw,17px);line-height:1.7;max-width:680px}
.hero-actions{display:flex;flex-wrap:wrap;gap:14px;margin:26px 0 26px}
.status-bar{
  display:flex;flex-wrap:wrap;gap:10px;padding:14px 16px;border-radius:var(--r-lg);
  background:rgba(255,255,255,.035);border:1px solid var(--line);max-width:700px;
}
.status-item{display:flex;align-items:center;gap:9px;font-size:13.5px;color:#E7E5E4;padding-right:16px}
.status-item + .status-item{border-left:1px solid var(--line);padding-left:16px}
.status-dot{width:8px;height:8px;border-radius:50%;background:var(--green);box-shadow:0 0 0 4px rgba(16,185,129,.16);flex-shrink:0}
.status-dot.warn{background:var(--amber);box-shadow:0 0 0 4px rgba(245,158,11,.16)}
.icon-matrix{
  display:grid;grid-template-columns:repeat(2,minmax(0,1fr));gap:12px;
  padding:18px;border-radius:var(--r-xl);
  background:linear-gradient(165deg,#1B1815 0%,#121110 100%);
  border:1px solid var(--line);box-shadow:var(--shadow-2);
}
.matrix-tile{
  display:flex;align-items:center;gap:11px;padding:13px 14px;border-radius:var(--r-md);
  background:rgba(255,255,255,.035);border:1px solid var(--line);
  transition:transform .2s ease,border-color .2s ease,background-color .2s ease;
}
.matrix-tile:hover{transform:translateY(-3px);border-color:var(--line-strong);background:rgba(234,88,12,.1)}
.matrix-ico{font-size:18px;line-height:1;flex-shrink:0}
.matrix-txt{font-size:13px;font-weight:600;color:#E7E5E4;line-height:1.35}

/* ================= SIGN CARDS ================= */
.sign-grid{display:grid;grid-template-columns:repeat(3,minmax(0,1fr));gap:20px}
.sign-card{
  position:relative;padding:24px 22px 22px;border-radius:var(--r-lg);
  background:linear-gradient(170deg,#1A1715 0%,#121110 100%);
  border:1px solid var(--line);
  transition:transform .22s ease,border-color .22s ease,box-shadow .22s ease;
}
.sign-card:hover{transform:translateY(-4px);border-color:var(--line-strong);box-shadow:var(--shadow-1)}
.sign-num{
  display:inline-flex;align-items:center;justify-content:center;
  width:40px;height:40px;border-radius:13px;background:var(--grad-soft);
  border:1px solid var(--line-strong);color:var(--ember);font-weight:800;font-size:15px;margin-bottom:16px;
}
.sign-card h3{font-size:17.5px;margin-bottom:10px;line-height:1.35}
.sign-card p{color:var(--muted);font-size:14.6px;line-height:1.66;margin:0 0 14px}
.sign-tag{
  display:inline-block;padding:5px 12px;border-radius:var(--r-pill);font-size:11.5px;
  font-weight:700;letter-spacing:.06em;text-transform:uppercase;
  background:rgba(239,68,68,.14);color:#FCA5A5;border:1px solid rgba(239,68,68,.32);
}
.sign-tag.mid{background:rgba(245,158,11,.13);color:#FCD34D;border-color:rgba(245,158,11,.32)}

/* ================= RISK TABLE ================= */
.table-wrap{
  border:1px solid var(--line);border-radius:var(--r-lg);overflow:hidden;
  background:linear-gradient(170deg,#161412 0%,#100E0D 100%);
}
.risk-table{width:100%;border-collapse:collapse;min-width:640px}
.risk-table thead th{
  background:rgba(234,88,12,.12);color:#FFE4CC;font-size:12px;font-weight:700;
  letter-spacing:.08em;text-transform:uppercase;text-align:left;padding:15px 18px;white-space:nowrap;
}
.risk-table tbody td{
  padding:16px 18px;border-top:1px solid var(--line);font-size:14.5px;color:#D6D3D1;vertical-align:top;
}
.risk-table tbody tr:hover{background:rgba(255,255,255,.03)}
.risk-table tbody td strong{color:#fff;font-weight:700;display:block;margin-bottom:3px}
.lvl{display:inline-block;padding:4px 11px;border-radius:var(--r-pill);font-size:12px;font-weight:700;white-space:nowrap}
.lvl.high{background:rgba(239,68,68,.16);color:#FCA5A5;border:1px solid rgba(239,68,68,.34)}
.lvl.mid{background:rgba(245,158,11,.14);color:#FCD34D;border:1px solid rgba(245,158,11,.32)}
.table-scroll{overflow-x:auto;-webkit-overflow-scrolling:touch}

/* ================= STAGES ================= */
.stage-grid{display:grid;grid-template-columns:repeat(3,minmax(0,1fr));gap:20px}
.stage-card{
  position:relative;padding:26px 22px 22px;border-radius:var(--r-lg);
  background:var(--surface);border:1px solid var(--line);
}
.stage-card::before{content:"";position:absolute;left:0;top:0;right:0;height:3px;border-radius:var(--r-lg) var(--r-lg) 0 0;background:var(--grad)}
.stage-label{font-size:11.5px;letter-spacing:.12em;text-transform:uppercase;color:var(--ember);font-weight:700;display:block;margin-bottom:10px}
.stage-card h3{font-size:18px;margin-bottom:12px}
.stage-list li{position:relative;padding-left:20px;color:var(--muted);font-size:14.6px;line-height:1.6;margin-bottom:9px}
.stage-list li::before{content:"";position:absolute;left:0;top:9px;width:8px;height:8px;border-radius:50%;background:var(--orange);opacity:.85}

/* ================= EVIDENCE ================= */
.evidence-grid{display:grid;grid-template-columns:1.05fr .95fr;gap:clamp(24px,3.4vw,48px);align-items:center}
.evidence-media{border-radius:var(--r-xl);overflow:hidden;border:1px solid var(--line);box-shadow:var(--shadow-2)}
.evidence-media img{width:100%;aspect-ratio:16/11;object-fit:cover}
.check-list{counter-reset:ck;display:grid;gap:12px;margin-top:6px}
.check-list li{
  counter-increment:ck;position:relative;padding:14px 18px 14px 56px;border-radius:var(--r-md);
  background:rgba(255,255,255,.035);border:1px solid var(--line);font-size:14.8px;color:#E7E5E4;line-height:1.55;
}
.check-list li::before{
  content:counter(ck,decimal-leading-zero);position:absolute;left:16px;top:13px;
  font-weight:800;font-size:13px;color:var(--ember);
  width:26px;height:26px;display:grid;place-items:center;border-radius:9px;
  background:rgba(234,88,12,.14);border:1px solid var(--line-strong);
}

/* ================= QUOTES ================= */
.quote-grid{display:grid;grid-template-columns:repeat(3,minmax(0,1fr));gap:20px}
.quote-card{
  padding:24px 22px;border-radius:var(--r-lg);background:var(--surface-2);
  border:1px solid var(--line);border-left:3px solid var(--orange);
}
.quote-card p{font-size:15px;color:#E7E5E4;line-height:1.68;margin-bottom:16px;font-style:italic}
.quote-who{display:flex;align-items:center;gap:11px}
.quote-av{
  width:38px;height:38px;border-radius:50%;display:grid;place-items:center;flex-shrink:0;
  background:var(--grad-soft);border:1px solid var(--line-strong);color:var(--ember);font-weight:800;font-size:14px;
}
.quote-name{font-size:14px;font-weight:700;color:#fff;display:block}
.quote-role{font-size:12.5px;color:var(--muted)}

/* ================= AUDIENCE + STATS ================= */
.aud-grid{display:grid;grid-template-columns:repeat(4,minmax(0,1fr));gap:18px;margin-bottom:26px}
.aud-item{padding:20px 18px;border-radius:var(--r-md);background:rgba(255,255,255,.035);border:1px solid var(--line)}
.aud-item span{font-size:22px;display:block;margin-bottom:10px}
.aud-item h3{font-size:15.5px;margin-bottom:8px}
.aud-item p{font-size:14px;color:var(--muted);margin:0;line-height:1.6}
.stat-strip{
  display:grid;grid-template-columns:repeat(4,minmax(0,1fr));gap:0;
  border:1px solid var(--line);border-radius:var(--r-lg);overflow:hidden;
  background:linear-gradient(120deg,rgba(234,88,12,.1),rgba(239,68,68,.04));
}
.stat-cell{padding:24px 22px}
.stat-cell + .stat-cell{border-left:1px solid var(--line)}
.stat-num{font-size:clamp(24px,2.6vw,32px);font-weight:800;background:var(--grad);-webkit-background-clip:text;background-clip:text;color:transparent;display:block;line-height:1.1}
.stat-cap{font-size:13.5px;color:var(--muted);display:block;margin-top:8px;line-height:1.5}

/* ================= NEWS LIST ================= */
.news-card{
  display:flex;flex-direction:column;height:100%;padding:22px;border-radius:var(--r-lg);
  background:linear-gradient(170deg,#1A1715 0%,#121110 100%);
  border:1px solid var(--line);color:inherit;
  transition:transform .22s ease,border-color .22s ease,box-shadow .22s ease;
}
.news-card:hover{transform:translateY(-4px);border-color:var(--line-strong);box-shadow:var(--shadow-1);color:inherit}
.news-tag{
  align-self:flex-start;padding:5px 12px;border-radius:var(--r-pill);margin-bottom:14px;
  background:rgba(234,88,12,.14);border:1px solid var(--line-strong);color:var(--ember);
  font-size:11.5px;font-weight:700;letter-spacing:.06em;text-transform:uppercase;
}
.news-title{font-size:16.5px;line-height:1.42;margin-bottom:10px}
.news-desc{font-size:14.3px;color:var(--muted);line-height:1.62;margin-bottom:16px;flex:1}
.news-date{font-size:12.5px;color:#8A8A8A;letter-spacing:.02em}
.empty-note{
  padding:22px;border-radius:var(--r-md);border:1px dashed var(--line-strong);
  background:rgba(234,88,12,.06);color:#E7E5E4;font-size:15px;
}

/* ================= FAQ ================= */
.faq-list{display:grid;gap:12px;max-width:940px}
.faq-item{
  border:1px solid var(--line);border-radius:var(--r-md);
  background:linear-gradient(170deg,#171513 0%,#100E0D 100%);overflow:hidden;
}
.faq-item summary{
  cursor:pointer;list-style:none;padding:18px 52px 18px 20px;position:relative;
  font-size:16px;font-weight:700;color:#fff;line-height:1.5;
}
.faq-item summary::-webkit-details-marker{display:none}
.faq-item summary::after{
  content:"+";position:absolute;right:20px;top:50%;transform:translateY(-50%);
  color:var(--ember);font-size:22px;font-weight:700;line-height:1;
}
.faq-item[open] summary::after{content:"–"}
.faq-item[open]{border-color:var(--line-strong)}
.faq-item p{padding:0 20px 20px;margin:0;color:var(--muted);font-size:14.8px;line-height:1.68}

/* ================= CTA ================= */
.cta-band{
  position:relative;overflow:hidden;border-radius:var(--r-xl);
  padding:clamp(30px,4vw,54px);
  background:
    linear-gradient(120deg,rgba(10,10,10,.94) 0%,rgba(10,10,10,.82) 60%,rgba(234,88,12,.36) 100%),
    url('/assets/images/e3e837e589280351.jpg') center/cover no-repeat;
  border:1px solid var(--line-strong);box-shadow:var(--shadow-2);
}
.cta-band h2{font-size:clamp(22px,2.8vw,34px);margin-bottom:14px;max-width:640px}
.cta-band p{color:#D6D3D1;font-size:15.5px;max-width:620px;line-height:1.68}
.cta-actions{display:flex;flex-wrap:wrap;gap:14px;margin-top:24px}
.trust-row{display:flex;flex-wrap:wrap;gap:10px;margin-top:26px;padding-top:22px;border-top:1px solid rgba(255,255,255,.12)}
.trust-pill{
  display:inline-flex;align-items:center;gap:8px;padding:8px 14px;border-radius:var(--r-pill);
  background:rgba(255,255,255,.06);border:1px solid var(--line);font-size:12.5px;color:#E7E5E4;font-weight:600;
}

/* ================= FOOTER ================= */
.site-footer{
  background:linear-gradient(180deg,#0A0A0A 0%,#050505 100%);
  border-top:1px solid var(--line);padding:clamp(44px,5vw,74px) 0 26px;margin-top:0;
}
.foot-grid{display:grid;grid-template-columns:1.45fr 1fr 1fr 1fr;gap:32px}
.foot-brand{display:flex;align-items:center;gap:10px;font-weight:800;font-size:16px;margin-bottom:14px;color:#fff}
.foot-about{color:var(--muted);font-size:14.4px;line-height:1.66;max-width:360px;margin:0}
.foot-col h4{font-size:12.5px;text-transform:uppercase;letter-spacing:.1em;color:#E7E5E4;margin-bottom:14px;font-weight:700}
.foot-col ul li a{color:var(--muted);font-size:14.4px;display:inline-block;padding:5px 0}
.foot-col ul li a:hover{color:var(--ember)}
.foot-note{
  display:flex;flex-wrap:wrap;gap:12px;justify-content:space-between;align-items:center;
  border-top:1px solid var(--line);margin-top:36px;padding-top:20px;color:#8A8A8A;font-size:13px;
}
.badge-18{
  display:inline-flex;align-items:center;gap:8px;padding:7px 14px;border-radius:var(--r-pill);
  border:1px solid var(--line);background:rgba(255,255,255,.04);font-size:12.5px;color:#A3A3A3;
}

/* ================= FAB ================= */
.fab{
  position:fixed;left:16px;bottom:96px;z-index:50;
  display:inline-flex;align-items:center;justify-content:center;gap:8px;
  min-width:56px;height:56px;padding:0 16px;border-radius:var(--r-pill);
  background:rgba(7,7,13,.8);backdrop-filter:blur(12px);
  border:2px solid transparent;
  background-image:linear-gradient(rgba(7,7,13,.86),rgba(7,7,13,.86)),linear-gradient(120deg,#EA580C,#EF4444,#F59E0B);
  background-origin:border-box;background-clip:padding-box,border-box;
  color:#fff;font-weight:700;font-size:14px;
  box-shadow:0 0 20px rgba(239,68,68,.45);opacity:.82;
  transition:transform .22s ease,opacity .22s ease,box-shadow .22s ease;
}
.fab:hover{opacity:1;transform:scale(1.06);color:#fff;box-shadow:0 0 30px rgba(245,158,11,.6)}
.fab:active{transform:scale(.95)}
.fab-ico{font-size:20px;line-height:1;animation:fabPulse 3.2s ease-in-out infinite}
.fab-dot{
  position:absolute;top:2px;right:4px;width:11px;height:11px;border-radius:50%;
  background:var(--red);box-shadow:0 0 0 3px rgba(10,10,10,.9);animation:dotBlink 1.6s ease-in-out infinite;
}
@keyframes fabPulse{0%,100%{opacity:.85}50%{opacity:1;transform:translateY(-1px)}}
@keyframes dotBlink{0%,100%{opacity:1}50%{opacity:.35}}

/* ================= RESPONSIVE ================= */
@media (max-width:1024px){
  .main-nav{display:none}
  .nav-toggle{display:flex}
  .nav-actions{margin-left:auto}
  .sign-grid,.stage-grid,.quote-grid{grid-template-columns:repeat(2,minmax(0,1fr))}
  .aud-grid{grid-template-columns:repeat(2,minmax(0,1fr))}
  .stat-strip{grid-template-columns:repeat(2,minmax(0,1fr))}
  .stat-cell:nth-child(3){border-left:0;border-top:1px solid var(--line)}
  .stat-cell:nth-child(4){border-top:1px solid var(--line)}
  .evidence-grid{grid-template-columns:1fr}
  .foot-grid{grid-template-columns:1fr 1fr}
}
@media (max-width:768px){
  .hero h1{font-size:26px}
  .status-item + .status-item{border-left:0;padding-left:0}
  .status-item{padding-right:0}
  .status-bar{gap:12px}
  .sign-grid,.stage-grid,.quote-grid{grid-template-columns:1fr}
  .aud-grid{grid-template-columns:1fr}
  .stat-strip{grid-template-columns:1fr}
  .stat-cell + .stat-cell{border-left:0;border-top:1px solid var(--line)}
  .foot-grid{grid-template-columns:1fr;gap:26px}
  .cta-actions .btn-brand,.cta-actions .btn-outline{width:100%}
  .hero-actions .btn-brand,.hero-actions .btn-outline{width:100%}
  .fab{bottom:24px;left:12px}
}
@media (max-width:520px){
  .container{padding:0 16px}
  .icon-matrix{grid-template-columns:1fr}
  .brand-text{font-size:13.5px}
  .brand-text small{font-size:10px}
  .brand-mark{width:34px;height:34px;font-size:16px}
  .nav-actions .btn-ghost{padding:9px 12px;font-size:13px}
  .nav-actions .btn-brand{padding:10px 14px;font-size:13.5px}
  .risk-table thead th,.risk-table tbody td{padding:13px 14px;font-size:13.6px}
}

/* roulang page: article */
:root{
  --bg:#0A0A0A;
  --bg-soft:#121110;
  --surface:#171614;
  --surface-2:#1E1B19;
  --line:rgba(255,255,255,.09);
  --line-strong:rgba(234,88,12,.38);
  --text:#FFFFFF;
  --muted:#A3A3A3;
  --ember:#FDBA74;
  --orange:#EA580C;
  --red:#EF4444;
  --amber:#F59E0B;
  --green:#10B981;
  --grad:linear-gradient(135deg,#EA580C 0%,#EF4444 52%,#F59E0B 100%);
  --grad-soft:linear-gradient(150deg,rgba(234,88,12,.16),rgba(239,68,68,.05));
  --r-xl:28px; --r-lg:20px; --r-md:14px; --r-sm:10px; --r-pill:999px;
  --shadow-1:0 4px 24px rgba(234,88,12,.25);
  --shadow-2:0 18px 52px rgba(0,0,0,.55);
  --container:1200px;
  --sect:clamp(54px,6.6vw,96px);
}
*{box-sizing:border-box}
html{scroll-behavior:smooth}
body{
  margin:0;
  background:var(--bg);
  color:var(--text);
  font-family:'Be Vietnam Pro',system-ui,-apple-system,'Segoe UI',Roboto,sans-serif;
  font-size:16px;
  line-height:1.62;
  -webkit-font-smoothing:antialiased;
}
img{max-width:100%;display:block;height:auto}
a{color:var(--ember);text-decoration:none;transition:color .2s ease,border-color .2s ease,background .2s ease}
a:hover{color:#fff}
button,input{font-family:inherit}
h1,h2,h3,h4{line-height:1.24;margin:0 0 14px;font-weight:800;letter-spacing:-.01em}
p{margin:0 0 14px}
.container{width:100%;max-width:var(--container);margin:0 auto;padding:0 20px}
.section{padding:var(--sect) 0;position:relative}
.section + .section{border-top:1px solid var(--line)}
.section--alt{background:linear-gradient(180deg,rgba(255,255,255,.022),rgba(255,255,255,0))}
.section--dark{background:linear-gradient(160deg,#100E0D 0%,#0A0A0A 70%)}
section[id],div[id].blk{scroll-margin-top:96px}
:focus-visible{outline:2px solid var(--amber);outline-offset:3px;border-radius:6px}

/* HEADER */
.site-header{
  position:sticky;top:0;z-index:80;
  background:rgba(10,10,10,.86);
  backdrop-filter:blur(14px);
  border-bottom:1px solid var(--line);
}
.nav-wrap{display:flex;flex-wrap:wrap;align-items:center;gap:14px;min-height:72px;padding:8px 0}
.brand{display:flex;align-items:center;gap:11px;color:#fff;flex-shrink:0}
.brand:hover{color:#fff}
.brand-mark{
  width:38px;height:38px;border-radius:12px;display:grid;place-items:center;
  background:var(--grad);font-size:18px;line-height:1;box-shadow:var(--shadow-1);
}
.brand-text{display:flex;flex-direction:column;font-weight:800;font-size:15px;line-height:1.15;letter-spacing:-.01em}
.brand-text small{font-weight:500;font-size:11px;color:var(--muted);letter-spacing:.04em;text-transform:uppercase}
.main-nav{display:flex;align-items:center;gap:4px;margin-left:auto;flex-wrap:wrap}
.nav-link{
  display:inline-block;padding:9px 13px;border-radius:var(--r-pill);
  color:#D4D4D4;font-size:14.5px;font-weight:500;white-space:nowrap;
}
.nav-link:hover{color:#fff;background:rgba(255,255,255,.06)}
.nav-link.active{color:var(--ember);background:rgba(234,88,12,.14);box-shadow:inset 0 0 0 1px var(--line-strong)}
.nav-actions{display:flex;align-items:center;gap:10px;flex-shrink:0}
.btn-ghost{
  display:inline-flex;align-items:center;justify-content:center;
  padding:10px 16px;border-radius:var(--r-pill);border:1px solid rgba(255,255,255,.2);
  color:#fff;font-size:14px;font-weight:600;background:transparent;
}
.btn-ghost:hover{border-color:var(--orange);color:var(--ember);background:rgba(234,88,12,.08)}
.btn-brand{
  display:inline-flex;align-items:center;justify-content:center;gap:8px;
  padding:11px 20px;border-radius:var(--r-pill);border:0;background:var(--grad);
  color:#1B0C03;font-size:14.5px;font-weight:800;box-shadow:var(--shadow-1);
  transition:transform .2s ease,box-shadow .2s ease,filter .2s ease;
}
.btn-brand:hover{color:#1B0C03;filter:brightness(1.08);transform:translateY(-2px);box-shadow:0 8px 30px rgba(239,68,68,.42)}
.btn-brand:active{transform:translateY(0) scale(.98)}
.btn-lg-x{padding:15px 28px;font-size:16px}
.btn-outline{
  display:inline-flex;align-items:center;justify-content:center;gap:8px;
  padding:13px 22px;border-radius:var(--r-pill);border:1px solid var(--line-strong);
  color:var(--ember);background:rgba(234,88,12,.07);font-weight:700;font-size:15px;
}
.btn-outline:hover{background:rgba(234,88,12,.16);color:#fff}
.btn-sm{padding:9px 16px;font-size:13.5px}
.nav-toggle{
  display:none;width:44px;height:44px;border-radius:12px;border:1px solid var(--line);
  background:rgba(255,255,255,.04);padding:0;align-items:center;justify-content:center;
  flex-direction:column;gap:4px;cursor:pointer;
}
.nav-toggle span{display:block;width:18px;height:2px;background:#fff;border-radius:2px}
.mobile-drawer{display:none;border-top:1px solid var(--line);background:rgba(12,12,12,.98);padding:14px 20px 22px;width:100%}
.mobile-drawer.open{display:block}
.mobile-drawer a{display:block;padding:12px 14px;border-radius:var(--r-md);color:#E5E5E5;font-weight:600;font-size:15px}
.mobile-drawer a.active{color:var(--ember);background:rgba(234,88,12,.12)}
.mobile-drawer a + a{margin-top:4px}

/* ARTICLE HERO */
.art-hero{
  position:relative;
  padding:clamp(30px,4vw,54px) 0 clamp(44px,5.4vw,72px);
  background:
    linear-gradient(180deg,rgba(10,10,10,.94) 0%,rgba(10,10,10,.90) 46%,#0A0A0A 100%),
    radial-gradient(820px 400px at 8% 0%,rgba(234,88,12,.30),transparent 62%),
    url('/assets/images/9022046b5d552115.jpg') center/cover no-repeat;
  border-bottom:1px solid var(--line);
}
.crumb{display:flex;flex-wrap:wrap;align-items:center;gap:8px;font-size:13px;color:var(--muted);margin-bottom:16px}
.crumb a{color:#D4D4D4}
.crumb a:hover{color:var(--ember)}
.crumb span.sep{opacity:.5}
.chip{
  display:inline-flex;align-items:center;gap:9px;padding:7px 15px;border-radius:var(--r-pill);
  background:rgba(234,88,12,.13);border:1px solid var(--line-strong);color:var(--ember);
  font-size:12px;font-weight:700;letter-spacing:.09em;text-transform:uppercase;
}
.art-hero h1{font-size:clamp(26px,3.9vw,46px);line-height:1.16;margin:18px 0 16px;max-width:960px}
.art-lead{color:#D6D3D1;font-size:clamp(15.5px,1.5vw,17.5px);max-width:760px;line-height:1.7}
.art-meta{display:flex;flex-wrap:wrap;gap:10px 20px;margin:22px 0 26px;font-size:13.5px;color:var(--muted)}
.art-meta span{display:inline-flex;align-items:center;gap:7px}
.art-meta strong{color:#E7E5E4;font-weight:600}
.hero-actions{display:flex;flex-wrap:wrap;gap:14px;margin-bottom:30px}
.art-cover{
  position:relative;border-radius:var(--r-xl);overflow:hidden;
  border:1px solid var(--line);box-shadow:var(--shadow-2);
}
.art-cover img{width:100%;aspect-ratio:16/7;object-fit:cover}
.art-cover figcaption{
  position:absolute;left:0;right:0;bottom:0;padding:14px 18px;font-size:13px;color:#E7E5E4;
  background:linear-gradient(0deg,rgba(10,10,10,.94),rgba(10,10,10,0));
}

/* LAYOUT WITH SIDEBAR */
.art-layout{display:grid;grid-template-columns:minmax(0,1fr) 330px;gap:clamp(24px,3.4vw,48px);align-items:start}
.art-main{min-width:0;max-width:760px}
.blk{padding-bottom:clamp(38px,4.6vw,60px)}
.blk + .blk{border-top:1px solid var(--line);padding-top:clamp(38px,4.6vw,60px)}
.blk:last-child{padding-bottom:0}
.eyebrow{
  display:inline-block;font-size:11.5px;font-weight:700;letter-spacing:.14em;text-transform:uppercase;
  color:var(--ember);margin-bottom:10px;
}
.blk h2{font-size:clamp(21px,2.5vw,29px)}
.blk h3{font-size:clamp(17px,1.9vw,20px);margin-top:6px}
.blk .intro{color:#CFCCC9;max-width:720px}

/* ARTICLE BODY (CMS) */
.article-body{max-width:720px}
.article-body p{margin:0 0 16px;color:#DCD9D6;line-height:1.68}
.article-body h2{font-size:clamp(21px,2.4vw,28px);margin:34px 0 14px;padding-left:14px;border-left:4px solid var(--orange)}
.article-body h3{font-size:clamp(17px,1.9vw,20px);margin:26px 0 12px}
.article-body ul,.article-body ol{margin:0 0 18px;padding-left:22px;color:#DCD9D6}
.article-body li{margin-bottom:9px;line-height:1.66}
.article-body strong{color:#fff}
.article-body img{border-radius:var(--r-md);margin:18px 0;border:1px solid var(--line)}
.article-body blockquote{
  margin:20px 0;padding:16px 20px;border-left:4px solid var(--amber);
  background:rgba(245,158,11,.07);border-radius:0 var(--r-md) var(--r-md) 0;color:#F1EEEA;
}
.article-body table{width:100%;border-collapse:collapse;margin:18px 0;font-size:14.5px}
.article-body th,.article-body td{border:1px solid var(--line);padding:11px 13px;text-align:left}
.article-body th{background:rgba(234,88,12,.12);color:#fff}

/* EMPTY STATE */
.empty-state{
  border:1px dashed var(--line-strong);border-radius:var(--r-lg);padding:28px;
  background:var(--grad-soft);
}
.empty-state h2{font-size:22px;margin-bottom:10px}
.empty-state p{color:#D6D3D1}
.empty-state a{display:inline-flex;margin-top:6px;padding:11px 20px;border-radius:var(--r-pill);background:var(--grad);color:#1B0C03;font-weight:800}

/* SIDEBAR */
.art-side{position:sticky;top:96px;display:grid;gap:16px}
.side-card{
  border:1px solid var(--line);border-radius:var(--r-lg);padding:20px;
  background:linear-gradient(165deg,#1B1815 0%,#121110 100%);
}
.side-title{font-size:13px;letter-spacing:.12em;text-transform:uppercase;color:var(--muted);margin-bottom:12px;font-weight:700}
.side-nav{list-style:none;margin:0;padding:0;display:grid;gap:2px}
.side-nav a{display:block;padding:9px 12px;border-radius:var(--r-sm);color:#D4D4D4;font-size:14.5px;font-weight:500}
.side-nav a:hover{background:rgba(234,88,12,.12);color:var(--ember)}
.side-card--warn{background:var(--grad-soft);border-color:var(--line-strong)}
.side-card--warn p{color:#E7E5E4;font-size:14.5px}
.side-badge{
  display:inline-block;padding:5px 12px;border-radius:var(--r-pill);background:rgba(239,68,68,.18);
  border:1px solid rgba(239,68,68,.45);color:#FCA5A5;font-size:11.5px;font-weight:700;
  letter-spacing:.1em;text-transform:uppercase;margin-bottom:12px;
}
.side-list{list-style:none;margin:0 0 16px;padding:0;display:grid;gap:10px}
.side-list li{position:relative;padding-left:22px;font-size:14.5px;color:#DCD9D6}
.side-list li::before{content:"";position:absolute;left:0;top:9px;width:9px;height:9px;border-radius:50%;background:var(--grad)}

/* KEY POINTS + STATS */
.key-grid{display:grid;grid-template-columns:repeat(2,minmax(0,1fr));gap:14px;margin-top:18px}
.key-item{border:1px solid var(--line);border-radius:var(--r-md);padding:16px 18px;background:rgba(255,255,255,.022)}
.key-item strong{display:block;font-size:15px;margin-bottom:6px;color:#fff}
.key-item span{font-size:14px;color:#B8B4B0;line-height:1.6}
.stat-grid{display:grid;grid-template-columns:repeat(4,minmax(0,1fr));gap:14px;margin-top:22px}
.stat-card{
  border:1px solid var(--line);border-left:3px solid var(--orange);border-radius:var(--r-md);
  padding:18px;background:linear-gradient(165deg,#1A1714 0%,#121110 100%);
}
.stat-card b{display:block;font-size:clamp(22px,2.6vw,30px);background:var(--grad);-webkit-background-clip:text;background-clip:text;color:transparent;line-height:1.2}
.stat-card span{display:block;font-size:13px;color:#A8A29E;margin-top:6px;line-height:1.55}

/* SIGNAL CARDS */
.sig-grid{display:grid;grid-template-columns:repeat(2,minmax(0,1fr));gap:16px;margin-top:22px}
.sig-card{
  border:1px solid var(--line);border-radius:var(--r-lg);padding:22px;
  background:linear-gradient(165deg,#1B1815 0%,#121110 100%);
  transition:transform .22s ease,border-color .22s ease,box-shadow .22s ease;
}
.sig-card:hover{transform:translateY(-4px);border-color:var(--line-strong);box-shadow:var(--shadow-1)}
.sig-num{
  display:inline-flex;align-items:center;justify-content:center;width:38px;height:38px;border-radius:12px;
  background:rgba(234,88,12,.16);border:1px solid var(--line-strong);color:var(--ember);
  font-weight:800;font-size:15px;margin-bottom:14px;
}
.sig-card h3{font-size:16.5px;margin-bottom:8px}
.sig-card p{font-size:14.5px;color:#B8B4B0;margin:0;line-height:1.62}

/* TRICKS + EVIDENCE */
.trick-list{list-style:none;margin:18px 0 0;padding:0;display:grid;gap:12px}
.trick-list li{
  border:1px solid var(--line);border-radius:var(--r-md);padding:16px 18px;
  background:rgba(255,255,255,.022);font-size:15px;color:#DCD9D6;
}
.trick-list li b{color:#fff;display:block;margin-bottom:4px}
.evidence{
  margin-top:26px;padding:22px;border-radius:var(--r-lg);
  border:1px dashed var(--line-strong);background:var(--grad-soft);
}
.evidence h3{margin-top:0}
.evidence ul{list-style:none;margin:0;padding:0;display:grid;gap:11px}
.evidence li{position:relative;padding-left:26px;font-size:14.5px;color:#E7E5E4}
.evidence li::before{content:"🛑";position:absolute;left:0;top:0;font-size:13px}

/* STEPS */
.steps{display:grid;gap:12px;margin-top:22px;counter-reset:step}
.step{
  display:grid;grid-template-columns:52px minmax(0,1fr);gap:16px;align-items:start;
  border:1px solid var(--line);border-radius:var(--r-lg);padding:18px 20px;
  background:linear-gradient(120deg,#181513 0%,#121110 100%);
  transition:border-color .2s ease,transform .2s ease;
}
.step:hover{border-color:var(--line-strong);transform:translateX(3px)}
.step-num{
  width:52px;height:52px;border-radius:16px;display:grid;place-items:center;
  background:var(--grad);color:#1B0C03;font-weight:800;font-size:18px;
}
.step h3{font-size:16.5px;margin:3px 0 7px}
.step p{margin:0;font-size:14.5px;color:#B8B4B0}

/* COMPARE TABLE */
.cmp-wrap{overflow-x:auto;border:1px solid var(--line);border-radius:var(--r-lg);background:var(--surface);margin-top:22px}
.cmp-table{width:100%;border-collapse:collapse;min-width:680px}
.cmp-table th,.cmp-table td{padding:15px 18px;text-align:left;font-size:14.5px;border-bottom:1px solid var(--line)}
.cmp-table thead th{background:rgba(234,88,12,.14);color:#fff;font-size:13px;letter-spacing:.06em;text-transform:uppercase}
.cmp-table tbody tr:last-child td{border-bottom:0}
.cmp-table td:first-child{color:#fff;font-weight:600}
.cmp-table td.good{color:#A7F3D0}
.cmp-table td.bad{color:#FCA5A5}
.cmp-table tbody tr:hover{background:rgba(255,255,255,.025)}

/* QUOTES + WHO */
.quote-grid{display:grid;grid-template-columns:repeat(3,minmax(0,1fr));gap:16px;margin-top:22px}
.quote-card{
  border:1px solid var(--line);border-left:3px solid var(--amber);border-radius:var(--r-md);
  padding:20px;background:rgba(255,255,255,.022);
}
.quote-card p{font-size:14.5px;color:#DCD9D6;font-style:italic}
.quote-card footer{font-size:13px;color:var(--muted);font-weight:600}
.who-grid{display:grid;grid-template-columns:repeat(4,minmax(0,1fr));gap:14px;margin-top:26px}
.who-card{border:1px solid var(--line);border-radius:var(--r-md);padding:18px;background:linear-gradient(165deg,#181513,#121110)}
.who-card h3{font-size:15.5px;margin-bottom:8px}
.who-card p{font-size:14px;color:#B8B4B0;margin:0}

/* CATEGORY MATRIX */
.cat-grid{display:grid;grid-template-columns:repeat(3,minmax(0,1fr));gap:18px;margin-top:24px}
.cat-card{
  display:flex;flex-direction:column;border:1px solid var(--line);border-radius:var(--r-lg);
  overflow:hidden;background:linear-gradient(165deg,#1B1815 0%,#121110 100%);
  transition:transform .22s ease,box-shadow .22s ease,border-color .22s ease;
}
.cat-card:hover{transform:translateY(-4px);border-color:var(--line-strong);box-shadow:var(--shadow-1)}
.cat-card img{width:100%;aspect-ratio:16/9;object-fit:cover}
.cat-body{padding:18px 20px 22px;display:flex;flex-direction:column;flex:1}
.cat-body h3{font-size:17px;margin-bottom:8px}
.cat-body p{font-size:14.5px;color:#B8B4B0;flex:1}
.cat-link{font-weight:700;font-size:14px;color:var(--ember)}
.cat-link:hover{color:#fff}

/* FAQ */
.faq{display:grid;gap:12px;margin-top:22px;max-width:900px}
.faq details{
  border:1px solid var(--line);border-radius:var(--r-md);background:var(--surface);
  padding:4px 18px;transition:border-color .2s ease,background .2s ease;
}
.faq details[open]{border-color:var(--line-strong);background:var(--surface-2)}
.faq summary{
  cursor:pointer;list-style:none;padding:16px 0;font-weight:700;font-size:15.5px;color:#fff;
  display:flex;justify-content:space-between;gap:16px;align-items:flex-start;
}
.faq summary::-webkit-details-marker{display:none}
.faq summary::after{content:"+";color:var(--ember);font-size:19px;line-height:1;font-weight:700}
.faq details[open] summary::after{content:"–"}
.faq .faq-a{padding:0 0 16px;font-size:14.5px;color:#C4C0BC;line-height:1.68}

/* CTA */
.cta-band{
  border-radius:var(--r-xl);padding:clamp(28px,4vw,52px);background:var(--grad);
  color:#1B0C03;text-align:center;box-shadow:var(--shadow-2);
}
.cta-band h2{color:#1B0C03;font-size:clamp(21px,2.7vw,32px)}
.cta-band p{color:rgba(27,12,3,.86);max-width:720px;margin:0 auto 22px;font-size:15.5px}
.cta-actions{display:flex;flex-wrap:wrap;gap:14px;justify-content:center}
.cta-band .btn-dark-x{
  display:inline-flex;align-items:center;justify-content:center;padding:14px 26px;border-radius:var(--r-pill);
  background:#150A02;color:#FFE9D6;font-weight:800;font-size:15px;border:0;
}
.cta-band .btn-dark-x:hover{background:#000;color:#fff}
.cta-band .btn-light-x{
  display:inline-flex;align-items:center;justify-content:center;padding:13px 26px;border-radius:var(--r-pill);
  background:rgba(255,255,255,.9);color:#3A1503;font-weight:800;font-size:15px;border:1px solid rgba(21,10,2,.2);
}
.cta-band .btn-light-x:hover{background:#fff;color:#150A02}

/* FOOTER */
.site-footer{border-top:1px solid var(--line);background:linear-gradient(180deg,#100E0D 0%,#070706 100%);padding:clamp(40px,5vw,64px) 0 28px}
.foot-grid{display:grid;grid-template-columns:1.6fr 1fr 1fr 1fr;gap:28px}
.foot-brand{display:flex;align-items:center;gap:10px;font-weight:800;font-size:16px;margin-bottom:12px}
.foot-brand .brand-mark{width:34px;height:34px;border-radius:10px;font-size:16px}
.foot-about{color:var(--muted);font-size:14px;max-width:420px}
.foot-col h4{font-size:13px;letter-spacing:.1em;text-transform:uppercase;color:#E7E5E4;margin-bottom:12px}
.foot-col ul{list-style:none;margin:0;padding:0;display:grid;gap:9px}
.foot-col a{color:var(--muted);font-size:14px}
.foot-col a:hover{color:var(--ember)}
.foot-note{
  display:flex;flex-wrap:wrap;justify-content:space-between;gap:12px;align-items:center;
  margin-top:30px;padding-top:20px;border-top:1px solid var(--line);font-size:13px;color:var(--muted);
}
.badge-18{display:inline-block;padding:5px 12px;border-radius:var(--r-pill);border:1px solid var(--line-strong);color:var(--ember);font-size:12px}

/* FAB */
.fab{
  position:fixed;left:1rem;bottom:6rem;z-index:50;
  display:inline-flex;align-items:center;gap:10px;min-height:52px;padding:12px 18px;
  border-radius:var(--r-pill);
  border:2px solid transparent;
  background-image:linear-gradient(rgba(7,7,13,.86),rgba(7,7,13,.86)),var(--grad);
  background-origin:border-box;background-clip:padding-box,border-box;
  backdrop-filter:blur(10px);color:#fff;font-weight:700;font-size:13.5px;
  box-shadow:0 0 20px rgba(234,88,12,.45);opacity:.8;
  transition:opacity .2s ease,transform .2s ease,box-shadow .2s ease;
}
.fab:hover{opacity:1;color:#fff;transform:translateY(-2px);box-shadow:0 0 28px rgba(239,68,68,.6)}
.fab:active{transform:scale(.96);box-shadow:0 0 14px rgba(234,88,12,.5)}
.fab-dot{width:8px;height:8px;border-radius:50%;background:var(--red);box-shadow:0 0 10px var(--red);animation:pulse 1.6s infinite}
@keyframes pulse{0%,100%{opacity:1;transform:scale(1)}50%{opacity:.4;transform:scale(.7)}}

/* RESPONSIVE */
@media (max-width:1100px){
  .art-layout{grid-template-columns:minmax(0,1fr) 300px}
  .stat-grid{grid-template-columns:repeat(2,minmax(0,1fr))}
}
@media (max-width:992px){
  .main-nav{display:none}
  .nav-toggle{display:flex;order:2;margin-left:auto}
  .art-hero h1{font-size:clamp(24px,5.2vw,34px)}
  .art-layout{grid-template-columns:1fr}
  .art-main{max-width:none}
  .art-side{position:static;grid-template-columns:repeat(2,minmax(0,1fr));display:grid}
  .sig-grid{grid-template-columns:1fr}
  .quote-grid{grid-template-columns:1fr}
  .who-grid{grid-template-columns:repeat(2,minmax(0,1fr))}
  .cat-grid{grid-template-columns:1fr}
  .foot-grid{grid-template-columns:1fr 1fr}
}
@media (max-width:768px){
  body{font-size:15.5px}
  .key-grid{grid-template-columns:1fr}
  .stat-grid{grid-template-columns:1fr 1fr}
  .art-cover img{aspect-ratio:16/10}
  .step{grid-template-columns:44px minmax(0,1fr);padding:16px}
  .step-num{width:44px;height:44px;border-radius:14px;font-size:16px}
  .art-side{grid-template-columns:1fr}
  .cta-actions .btn-dark-x,.cta-actions .btn-light-x{width:100%}
}
@media (max-width:560px){
  .nav-wrap{row-gap:10px;padding:10px 0}
  .brand{order:1;flex:1}
  .nav-toggle{order:2;margin-left:0}
  .nav-actions{order:3;width:100%;justify-content:space-between;gap:8px}
  .nav-actions .btn-ghost,.nav-actions .btn-brand{flex:1;padding:10px 12px;font-size:13px}
  .foot-grid{grid-template-columns:1fr}
  .stat-grid{grid-template-columns:1fr}
  .hero-actions .btn-brand,.hero-actions .btn-outline{width:100%}
  .fab{bottom:5.5rem;padding:11px 15px;font-size:12.5px}
}

/* roulang page: category3 */
:root{
  --bg:#0A0A0A;
  --bg-soft:#121110;
  --surface:#171614;
  --surface-2:#1E1B19;
  --line:rgba(255,255,255,.09);
  --line-strong:rgba(234,88,12,.38);
  --text:#FFFFFF;
  --muted:#A3A3A3;
  --ember:#FDBA74;
  --orange:#EA580C;
  --red:#EF4444;
  --amber:#F59E0B;
  --green:#10B981;
  --grad:linear-gradient(135deg,#EA580C 0%,#EF4444 52%,#F59E0B 100%);
  --grad-soft:linear-gradient(150deg,rgba(234,88,12,.16),rgba(239,68,68,.05));
  --r-xl:28px; --r-lg:20px; --r-md:14px; --r-sm:10px; --r-pill:999px;
  --shadow-1:0 4px 24px rgba(234,88,12,.25);
  --shadow-2:0 18px 52px rgba(0,0,0,.55);
  --container:1200px;
  --sect:clamp(54px,6.6vw,96px);
}
*,*::before,*::after{box-sizing:border-box}
html{scroll-behavior:smooth;-webkit-text-size-adjust:100%}
body{
  margin:0;
  background:var(--bg);
  color:var(--text);
  font-family:'Be Vietnam Pro',system-ui,-apple-system,'Segoe UI',Roboto,sans-serif;
  font-size:16px;
  line-height:1.62;
  -webkit-font-smoothing:antialiased;
}
img{max-width:100%;display:block;height:auto}
a{color:var(--ember);text-decoration:none;transition:color .2s ease,border-color .2s ease,background .2s ease}
a:hover{color:#fff}
h1,h2,h3,h4,h5{line-height:1.22;margin:0 0 12px;font-weight:800;letter-spacing:-.015em;color:#fff}
p{margin:0 0 14px}
ul{margin:0;padding:0;list-style:none}
button,input{font-family:inherit}
::selection{background:rgba(234,88,12,.4);color:#fff}
:focus-visible{outline:2px solid var(--amber);outline-offset:3px;border-radius:6px}

.container{width:100%;max-width:var(--container);margin:0 auto;padding:0 20px}
.section{padding:var(--sect) 0;position:relative}
.section + .section{border-top:1px solid var(--line)}
.section--alt{background:linear-gradient(180deg,rgba(255,255,255,.022),rgba(255,255,255,0))}
.section--dark{background:linear-gradient(160deg,#100E0D 0%,#0A0A0A 70%)}
section[id]{scroll-margin-top:96px}

/* HEADER */
.site-header{
  position:sticky;top:0;z-index:80;
  background:rgba(10,10,10,.86);
  backdrop-filter:blur(14px);
  border-bottom:1px solid var(--line);
}
.nav-wrap{display:flex;align-items:center;gap:18px;min-height:72px}
.brand{display:flex;align-items:center;gap:11px;color:#fff;flex-shrink:0}
.brand:hover{color:#fff}
.brand-mark{
  width:38px;height:38px;border-radius:12px;display:grid;place-items:center;
  background:var(--grad);font-size:18px;line-height:1;box-shadow:var(--shadow-1);
}
.brand-text{display:flex;flex-direction:column;font-weight:800;font-size:15px;line-height:1.15;letter-spacing:-.01em}
.brand-text small{font-weight:500;font-size:11px;color:var(--muted);letter-spacing:.04em;text-transform:uppercase}
.main-nav{display:flex;align-items:center;gap:4px;margin-left:auto}
.nav-link{
  display:inline-block;padding:9px 13px;border-radius:var(--r-pill);
  color:#D4D4D4;font-size:14.5px;font-weight:500;white-space:nowrap;
}
.nav-link:hover{color:#fff;background:rgba(255,255,255,.06)}
.nav-link.active{color:var(--ember);background:rgba(234,88,12,.14);box-shadow:inset 0 0 0 1px var(--line-strong)}
.nav-actions{display:flex;align-items:center;gap:10px;flex-shrink:0}
.btn-ghost{
  display:inline-flex;align-items:center;justify-content:center;
  padding:10px 16px;border-radius:var(--r-pill);border:1px solid rgba(255,255,255,.2);
  color:#fff;font-size:14px;font-weight:600;background:transparent;
}
.btn-ghost:hover{border-color:var(--orange);color:var(--ember);background:rgba(234,88,12,.08)}
.btn-brand{
  display:inline-flex;align-items:center;justify-content:center;gap:8px;
  padding:11px 20px;border-radius:var(--r-pill);border:0;background:var(--grad);
  color:#1B0C03;font-size:14.5px;font-weight:800;box-shadow:var(--shadow-1);
  transition:transform .2s ease,box-shadow .2s ease,filter .2s ease;
}
.btn-brand:hover{color:#1B0C03;filter:brightness(1.08);transform:translateY(-2px);box-shadow:0 8px 30px rgba(239,68,68,.42)}
.btn-brand:active{transform:translateY(0) scale(.98)}
.btn-lg-x{padding:15px 28px;font-size:16px;border-radius:var(--r-pill)}
.btn-outline{
  display:inline-flex;align-items:center;justify-content:center;gap:8px;
  padding:14px 24px;border-radius:var(--r-pill);border:1px solid var(--line-strong);
  color:var(--ember);background:rgba(234,88,12,.07);font-weight:700;font-size:15px;
}
.btn-outline:hover{background:rgba(234,88,12,.16);color:#fff}
.nav-toggle{
  display:none;width:44px;height:44px;border-radius:12px;border:1px solid var(--line);
  background:rgba(255,255,255,.04);padding:0;align-items:center;justify-content:center;
  flex-direction:column;gap:4px;cursor:pointer;
}
.nav-toggle span{display:block;width:18px;height:2px;background:#fff;border-radius:2px}
.mobile-drawer{display:none;border-top:1px solid var(--line);background:rgba(12,12,12,.98);padding:14px 20px 22px}
.mobile-drawer.open{display:block}
.mobile-drawer a{display:block;padding:12px 14px;border-radius:var(--r-md);color:#E5E5E5;font-weight:600;font-size:15px}
.mobile-drawer a.active{color:var(--ember);background:rgba(234,88,12,.12)}
.mobile-drawer a + a{margin-top:4px}

/* SECTION HEADINGS */
.eyebrow{
  display:inline-flex;align-items:center;gap:8px;font-size:11.5px;font-weight:700;
  letter-spacing:.14em;text-transform:uppercase;color:var(--ember);margin-bottom:12px;
}
.eyebrow::before{content:"";width:26px;height:2px;background:var(--grad);border-radius:2px}
.sec-title{font-size:clamp(23px,3vw,36px);margin-bottom:14px;max-width:900px}
.sec-sub{color:var(--muted);font-size:15.5px;max-width:760px;line-height:1.7;margin-bottom:0}
.sec-head{margin-bottom:clamp(26px,3.6vw,46px)}

/* HERO */
.hero{
  position:relative;
  padding:clamp(44px,6vw,88px) 0 clamp(48px,6vw,80px);
  background:
    linear-gradient(180deg,rgba(10,10,10,.94) 0%,rgba(10,10,10,.9) 46%,#0A0A0A 100%),
    radial-gradient(880px 420px at 8% 0%,rgba(234,88,12,.30),transparent 62%),
    url('/assets/images/9022046b5d552115.jpg') center/cover no-repeat;
  border-bottom:1px solid var(--line);
}
.chip{
  display:inline-flex;align-items:center;gap:9px;padding:7px 15px;border-radius:var(--r-pill);
  background:rgba(234,88,12,.13);border:1px solid var(--line-strong);color:var(--ember);
  font-size:12px;font-weight:700;letter-spacing:.09em;text-transform:uppercase;
}
.hero-grid{display:grid;grid-template-columns:1.08fr .92fr;gap:clamp(28px,4vw,56px);align-items:start;margin-top:24px}
.hero h1{font-size:clamp(27px,3.9vw,48px);line-height:1.14;margin:0 0 18px}
.hero-lead{color:#D6D3D1;font-size:clamp(15.5px,1.55vw,17.3px);max-width:660px;line-height:1.7}
.hero-list{display:grid;gap:10px;margin:22px 0 0;max-width:660px}
.hero-list li{display:flex;gap:11px;align-items:flex-start;color:#E7E5E4;font-size:15px}
.hero-list i{color:var(--orange);margin-top:4px;flex-shrink:0}
.hero-actions{display:flex;flex-wrap:wrap;gap:14px;margin:28px 0 26px}
.trust-bar{
  display:grid;grid-template-columns:repeat(2,minmax(0,1fr));gap:12px 22px;
  padding-top:22px;border-top:1px dashed rgba(255,255,255,.14);max-width:680px;
}
.trust-bar div{display:flex;align-items:center;gap:10px;font-size:13.5px;color:#D6D3D1;font-weight:600}
.trust-bar i{color:var(--amber);font-size:15px}

.hero-panel{
  background:linear-gradient(165deg,#1B1815 0%,#121110 100%);
  border:1px solid var(--line);border-radius:var(--r-xl);padding:16px;
  box-shadow:var(--shadow-2);
}
.hero-panel__media{position:relative;border-radius:var(--r-lg);overflow:hidden;border:1px solid var(--line)}
.hero-panel__media img{width:100%;aspect-ratio:16/10;object-fit:cover}
.hero-panel__tag{
  position:absolute;top:12px;left:12px;padding:6px 12px;border-radius:var(--r-pill);
  background:rgba(10,10,10,.78);border:1px solid var(--line-strong);color:var(--ember);
  font-size:11.5px;font-weight:700;letter-spacing:.08em;text-transform:uppercase;
}
.hero-panel__body{padding:20px 8px 8px}
.hero-panel__title{font-size:17px;font-weight:800;margin-bottom:14px}
.mini-row{
  display:flex;align-items:center;justify-content:space-between;gap:14px;
  padding:11px 0;border-bottom:1px dashed rgba(255,255,255,.1);font-size:14px;
}
.mini-row:last-child{border-bottom:0}
.mini-row span:first-child{color:var(--muted)}
.mini-row b{color:#fff;font-weight:700}
.ok{color:var(--green)}
.warn{color:var(--amber)}
.bad{color:var(--red)}

/* NARRATIVE / PAIN */
.split{display:grid;grid-template-columns:1.05fr .95fr;gap:clamp(24px,3.6vw,52px);align-items:start}
.pain-box{
  background:var(--grad-soft);border:1px solid var(--line-strong);
  border-radius:var(--r-lg);padding:22px 22px 8px;
}
.pain-box h3{font-size:17px;margin-bottom:12px}
.pain-box li{display:flex;gap:10px;color:#E7E5E4;font-size:14.6px;padding:8px 0;border-bottom:1px dashed rgba(255,255,255,.09)}
.pain-box li:last-child{border-bottom:0}
.pain-box li i{color:var(--red);margin-top:5px;flex-shrink:0;font-size:13px}
.prose p{color:#D6D3D1;font-size:15.6px}
.prose strong{color:#fff}

/* LICENSE 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:20px}
.grid-2{display:grid;grid-template-columns:repeat(2,minmax(0,1fr));gap:20px}
.lic-card{
  background:linear-gradient(170deg,#1A1714 0%,#121110 100%);
  border:1px solid var(--line);border-radius:var(--r-lg);padding:22px;
  transition:transform .25s ease,border-color .25s ease,box-shadow .25s ease;
  height:100%;
}
.lic-card:hover{transform:translateY(-4px);border-color:var(--line-strong);box-shadow:var(--shadow-1)}
.lic-card__head{display:flex;align-items:center;justify-content:space-between;gap:10px;margin-bottom:14px}
.lic-card h3{font-size:16.5px;margin:0}
.lic-badge{
  display:inline-flex;align-items:center;gap:6px;padding:4px 11px;border-radius:var(--r-pill);
  font-size:11px;font-weight:800;letter-spacing:.07em;text-transform:uppercase;
  background:rgba(245,158,11,.14);color:var(--amber);border:1px solid rgba(245,158,11,.3);
}
.lic-card p{color:var(--muted);font-size:14.3px;margin-bottom:14px}
.lic-card .kv{font-size:13.6px;color:#D6D3D1;padding:7px 0;border-top:1px dashed rgba(255,255,255,.09);display:flex;gap:9px}
.lic-card .kv i{color:var(--orange);margin-top:4px;flex-shrink:0;font-size:12px}

/* RED FLAGS */
.flag-wrap{display:grid;grid-template-columns:repeat(2,minmax(0,1fr));gap:14px 22px}
.flag-item{
  display:flex;gap:14px;align-items:flex-start;padding:16px 18px;
  background:rgba(239,68,68,.06);border:1px solid rgba(239,68,68,.24);border-radius:var(--r-md);
  transition:background .2s ease,border-color .2s ease;
}
.flag-item:hover{background:rgba(239,68,68,.11);border-color:rgba(239,68,68,.45)}
.flag-item i{color:var(--red);font-size:17px;margin-top:3px;flex-shrink:0}
.flag-item h4{font-size:15px;margin:0 0 5px}
.flag-item p{margin:0;color:var(--muted);font-size:14px;line-height:1.6}

/* STEPS */
.steps{counter-reset:st;display:grid;gap:14px}
.step{
  display:grid;grid-template-columns:auto 1fr;gap:18px;align-items:start;
  padding:20px 22px;border:1px solid var(--line);border-radius:var(--r-lg);
  background:linear-gradient(120deg,rgba(255,255,255,.03),rgba(255,255,255,.006));
  transition:border-color .25s ease,transform .25s ease;
}
.step:hover{border-color:var(--line-strong);transform:translateX(4px)}
.step-num{
  width:46px;height:46px;border-radius:14px;display:grid;place-items:center;
  background:var(--grad);color:#1B0C03;font-weight:800;font-size:17px;box-shadow:var(--shadow-1);
}
.step h3{font-size:16.5px;margin:2px 0 7px}
.step p{margin:0;color:var(--muted);font-size:14.6px;line-height:1.65}
.step .step-tip{display:block;margin-top:8px;color:var(--ember);font-size:13.4px;font-weight:600}

/* TABLE */
.table-wrap{overflow-x:auto;border:1px solid var(--line);border-radius:var(--r-lg);background:var(--surface)}
.cmp-table{width:100%;min-width:720px;border-collapse:collapse;font-size:14.6px}
.cmp-table thead th{
  text-align:left;padding:16px 20px;background:rgba(234,88,12,.1);
  color:#fff;font-weight:700;font-size:13.6px;letter-spacing:.03em;text-transform:uppercase;
  border-bottom:1px solid var(--line-strong);white-space:nowrap;
}
.cmp-table td{padding:15px 20px;border-bottom:1px solid var(--line);color:#D6D3D1;vertical-align:top;line-height:1.6}
.cmp-table tbody tr:last-child td{border-bottom:0}
.cmp-table tbody tr:hover td{background:rgba(255,255,255,.025)}
.cmp-table td:first-child{color:#fff;font-weight:600;white-space:nowrap}
.tag-ok{display:inline-flex;align-items:center;gap:6px;color:var(--green);font-weight:700}
.tag-bad{display:inline-flex;align-items:center;gap:6px;color:var(--red);font-weight:700}

/* EVIDENCE */
.ev-grid{display:grid;grid-template-columns:repeat(2,minmax(0,1fr));gap:20px}
.ev-col{
  border:1px solid var(--line);border-radius:var(--r-lg);padding:24px;
  background:linear-gradient(170deg,#1A1714 0%,#121110 100%);
}
.ev-col__head{display:flex;align-items:center;gap:12px;margin-bottom:16px}
.ev-col__head i{
  width:40px;height:40px;border-radius:12px;display:grid;place-items:center;font-size:16px;
  background:rgba(234,88,12,.14);color:var(--ember);border:1px solid var(--line-strong);
}
.ev-col h3{font-size:16.5px;margin:0}
.ev-col li{display:flex;gap:11px;padding:9px 0;border-bottom:1px dashed rgba(255,255,255,.08);font-size:14.6px;color:#D6D3D1}
.ev-col li:last-child{border-bottom:0}
.ev-col li i{color:var(--amber);margin-top:4px;flex-shrink:0;font-size:13px}

/* CHANNEL MATRIX */
.chan-grid{display:grid;grid-template-columns:repeat(3,minmax(0,1fr));gap:20px}
.chan-card{
  display:block;border:1px solid var(--line);border-radius:var(--r-lg);overflow:hidden;
  background:linear-gradient(170deg,#1A1714 0%,#121110 100%);color:#fff;
  transition:transform .25s ease,border-color .25s ease,box-shadow .25s ease;
}
.chan-card:hover{transform:translateY(-5px);border-color:var(--line-strong);box-shadow:var(--shadow-1);color:#fff}
.chan-card img{width:100%;aspect-ratio:16/9;object-fit:cover}
.chan-card__body{padding:18px 20px 22px}
.chan-card__body h3{font-size:16px;margin-bottom:8px}
.chan-card__body p{color:var(--muted);font-size:14.2px;margin:0 0 12px}
.chan-more{display:inline-flex;align-items:center;gap:8px;color:var(--ember);font-weight:700;font-size:13.6px}

/* FAQ */
.faq{display:grid;gap:12px;max-width:960px}
.faq-item{
  border:1px solid var(--line);border-radius:var(--r-md);background:var(--surface);
  padding:0;overflow:hidden;transition:border-color .25s ease,background .25s ease;
}
.faq-item[open]{border-color:var(--line-strong);background:var(--surface-2)}
.faq-item summary{
  list-style:none;cursor:pointer;padding:18px 22px;font-weight:700;font-size:15.6px;color:#fff;
  display:flex;align-items:flex-start;gap:14px;
}
.faq-item summary::-webkit-details-marker{display:none}
.faq-item summary::after{
  content:"+";margin-left:auto;color:var(--ember);font-size:20px;font-weight:700;line-height:1;
  flex-shrink:0;transition:transform .25s ease;
}
.faq-item[open] summary::after{content:"–";transform:rotate(180deg)}
.faq-item .faq-a{padding:0 22px 20px;color:var(--muted);font-size:14.8px;line-height:1.7}
.faq-item .faq-a p{margin:0}

/* CTA BAND */
.cta-band{
  position:relative;
  background:
    linear-gradient(140deg,rgba(10,10,10,.93),rgba(10,10,10,.88)),
    radial-gradient(700px 340px at 88% 20%,rgba(239,68,68,.26),transparent 60%),
    url('/assets/images/ca8fa669c382a27c.jpg') center/cover no-repeat;
  border-top:1px solid var(--line);border-bottom:1px solid var(--line);
}
.cta-inner{display:grid;grid-template-columns:1.1fr .9fr;gap:clamp(24px,3.6vw,52px);align-items:center}
.cta-inner h2{font-size:clamp(22px,2.9vw,34px);margin-bottom:14px}
.cta-inner p{color:#D6D3D1;font-size:15.4px;max-width:620px}
.cta-actions{display:flex;flex-wrap:wrap;gap:14px;margin-top:8px}
.cta-side{
  border:1px solid var(--line-strong);border-radius:var(--r-lg);padding:24px;
  background:rgba(23,22,20,.86);backdrop-filter:blur(6px);
}
.cta-side h3{font-size:16px;margin-bottom:14px}
.cta-side li{display:flex;gap:11px;padding:9px 0;font-size:14.4px;color:#D6D3D1;border-bottom:1px dashed rgba(255,255,255,.09)}
.cta-side li:last-child{border-bottom:0}
.cta-side i{color:var(--amber);margin-top:4px;flex-shrink:0;font-size:13px}

/* FOOTER */
.site-footer{
  background:linear-gradient(180deg,#0B0B0B 0%,#050505 100%);
  border-top:1px solid var(--line);padding:clamp(46px,5.4vw,74px) 0 26px;
}
.foot-grid{display:grid;grid-template-columns:1.6fr 1fr 1fr 1fr;gap:clamp(22px,3vw,44px)}
.foot-brand{display:flex;align-items:center;gap:11px;font-weight:800;font-size:16px;margin-bottom:14px}
.foot-brand .brand-mark{width:36px;height:36px;font-size:17px}
.foot-about{color:var(--muted);font-size:14.2px;line-height:1.68;max-width:420px}
.foot-col h4{font-size:13.4px;letter-spacing:.1em;text-transform:uppercase;color:#fff;margin-bottom:16px}
.foot-col ul li + li{margin-top:9px}
.foot-col a{color:var(--muted);font-size:14.2px;display:inline-block;line-height:1.5}
.foot-col a:hover{color:var(--ember)}
.foot-note{
  margin-top:clamp(30px,4vw,50px);padding-top:22px;border-top:1px solid var(--line);
  display:flex;flex-wrap:wrap;gap:14px;justify-content:space-between;align-items:center;
  color:#8A8A8A;font-size:13.2px;
}
.badge-18{
  display:inline-flex;align-items:center;gap:8px;padding:6px 13px;border-radius:var(--r-pill);
  border:1px solid var(--line);background:rgba(255,255,255,.03);color:#B0B0B0;font-size:12.4px;
}

/* FAB */
.fab{
  position:fixed;left:16px;bottom:96px;z-index:60;
  width:58px;height:58px;border-radius:var(--r-pill);
  display:grid;place-items:center;gap:0;
  background:rgba(7,7,13,.82);backdrop-filter:blur(12px);
  border:2px solid transparent;
  background-image:linear-gradient(rgba(7,7,13,.82),rgba(7,7,13,.82)),
    linear-gradient(135deg,var(--orange),var(--amber),var(--red));
  background-origin:border-box;background-clip:padding-box,border-box;
  box-shadow:0 0 20px rgba(234,88,12,.45);
  color:var(--amber);font-size:22px;opacity:.85;
  transition:transform .25s ease,opacity .25s ease,box-shadow .25s ease;
  animation:fabPulse 3.2s ease-in-out infinite;
}
.fab:hover{opacity:1;transform:scale(1.1);box-shadow:0 0 30px rgba(245,158,11,.65);color:#fff}
.fab:active{transform:scale(.95)}
.fab__dot{
  position:absolute;top:-3px;right:-3px;width:14px;height:14px;border-radius:50%;
  background:var(--red);border:2px solid #0A0A0A;animation:dotBlink 1.6s infinite;
}
@keyframes fabPulse{
  0%,100%{box-shadow:0 0 18px rgba(234,88,12,.38)}
  50%{box-shadow:0 0 28px rgba(245,158,11,.62)}
}
@keyframes dotBlink{0%,100%{opacity:1}50%{opacity:.28}}

/* RESPONSIVE */
@media (max-width:1100px){
  .main-nav{display:none}
  .nav-toggle{display:flex;margin-left:auto}
  .grid-4{grid-template-columns:repeat(2,minmax(0,1fr))}
  .foot-grid{grid-template-columns:1fr 1fr}
}
@media (max-width:980px){
  .hero-grid,.split,.cta-inner{grid-template-columns:1fr}
  .grid-3,.chan-grid{grid-template-columns:1fr}
  .hero-panel{order:-1}
}
@media (max-width:768px){
  .nav-actions .btn-ghost{display:none}
  .grid-2,.ev-grid,.flag-wrap{grid-template-columns:1fr}
  .trust-bar{grid-template-columns:1fr}
  .step{grid-template-columns:1fr;gap:12px}
  .step-num{width:42px;height:42px}
  .section{padding:clamp(44px,8vw,64px) 0}
}
@media (max-width:520px){
  body{font-size:15.4px}
  .grid-4{grid-template-columns:1fr}
  .foot-grid{grid-template-columns:1fr}
  .hero-actions .btn-brand,.hero-actions .btn-outline{width:100%}
  .brand-text{font-size:13.6px}
  .nav-wrap{gap:10px}
  .fab{width:54px;height:54px;bottom:88px;left:12px;font-size:20px}
}

/* roulang page: category2 */
:root{
  --bg:#0A0A0A;
  --bg-soft:#121110;
  --surface:#171614;
  --surface-2:#1E1B19;
  --line:rgba(255,255,255,.09);
  --line-strong:rgba(234,88,12,.38);
  --text:#FFFFFF;
  --muted:#A3A3A3;
  --ember:#FDBA74;
  --orange:#EA580C;
  --red:#EF4444;
  --amber:#F59E0B;
  --green:#10B981;
  --grad:linear-gradient(135deg,#EA580C 0%,#EF4444 52%,#F59E0B 100%);
  --grad-soft:linear-gradient(150deg,rgba(234,88,12,.16),rgba(239,68,68,.05));
  --r-xl:28px; --r-lg:20px; --r-md:14px; --r-sm:10px; --r-pill:999px;
  --shadow-1:0 4px 24px rgba(234,88,12,.25);
  --shadow-2:0 18px 52px rgba(0,0,0,.55);
  --container:1200px;
  --sect:clamp(54px,6.6vw,96px);
}
*,*::before,*::after{box-sizing:border-box}
html{scroll-behavior:smooth;-webkit-text-size-adjust:100%}
body{
  margin:0;
  background:var(--bg);
  color:var(--text);
  font-family:'Be Vietnam Pro',system-ui,-apple-system,'Segoe UI',Roboto,sans-serif;
  font-size:16px;
  line-height:1.62;
  -webkit-font-smoothing:antialiased;
}
img{max-width:100%;display:block;height:auto}
a{color:var(--ember);text-decoration:none;transition:color .2s ease,background-color .2s ease,border-color .2s ease}
a:hover{color:#fff}
h1,h2,h3,h4{margin:0;font-weight:800;line-height:1.22;letter-spacing:-.015em}
p{margin:0 0 14px}
ul,ol{margin:0;padding:0;list-style:none}
button,input,textarea{font-family:inherit;font-size:inherit}
:focus-visible{outline:2px solid var(--amber);outline-offset:3px;border-radius:8px}
.container{width:100%;max-width:var(--container);margin:0 auto;padding:0 20px}
.section{padding:var(--sect) 0;position:relative}
.section + .section{border-top:1px solid var(--line)}
.section--alt{background:linear-gradient(180deg,rgba(255,255,255,.022),rgba(255,255,255,0))}
.section--dark{background:linear-gradient(160deg,#100E0D 0%,#0A0A0A 70%)}
section[id]{scroll-margin-top:96px}
.anchor-offset{display:block;height:0;scroll-margin-top:110px}
/* ---------- HEADER ---------- */
.site-header{
  position:sticky;top:0;z-index:80;
  background:rgba(10,10,10,.86);
  backdrop-filter:blur(14px);
  border-bottom:1px solid var(--line);
}
.nav-wrap{display:flex;align-items:center;gap:18px;min-height:72px}
.brand{display:flex;align-items:center;gap:11px;color:#fff;flex-shrink:0}
.brand:hover{color:#fff}
.brand-mark{
  width:38px;height:38px;border-radius:12px;display:grid;place-items:center;
  background:var(--grad);font-size:18px;line-height:1;box-shadow:var(--shadow-1);
}
.brand-text{display:flex;flex-direction:column;font-weight:800;font-size:15px;line-height:1.15;letter-spacing:-.01em}
.brand-text small{font-weight:500;font-size:11px;color:var(--muted);letter-spacing:.04em;text-transform:uppercase}
.main-nav{display:flex;align-items:center;gap:4px;margin-left:auto}
.nav-link{
  display:inline-block;padding:9px 13px;border-radius:var(--r-pill);
  color:#D4D4D4;font-size:14.5px;font-weight:500;white-space:nowrap;
}
.nav-link:hover{color:#fff;background:rgba(255,255,255,.06)}
.nav-link.active{color:var(--ember);background:rgba(234,88,12,.14);box-shadow:inset 0 0 0 1px var(--line-strong)}
.nav-actions{display:flex;align-items:center;gap:10px;flex-shrink:0}
.btn-ghost{
  display:inline-flex;align-items:center;justify-content:center;
  padding:10px 16px;border-radius:var(--r-pill);border:1px solid rgba(255,255,255,.2);
  color:#fff;font-size:14px;font-weight:600;background:transparent;
}
.btn-ghost:hover{border-color:var(--orange);color:var(--ember);background:rgba(234,88,12,.08)}
.btn-brand{
  display:inline-flex;align-items:center;justify-content:center;gap:8px;
  padding:11px 20px;border-radius:var(--r-pill);border:0;background:var(--grad);
  color:#1B0C03;font-size:14.5px;font-weight:800;box-shadow:var(--shadow-1);
  transition:transform .2s ease,box-shadow .2s ease,filter .2s ease;
}
.btn-brand:hover{color:#1B0C03;filter:brightness(1.08);transform:translateY(-2px);box-shadow:0 8px 30px rgba(239,68,68,.42)}
.btn-brand:active{transform:translateY(0) scale(.98)}
.nav-toggle{
  display:none;width:44px;height:44px;border-radius:12px;border:1px solid var(--line);
  background:rgba(255,255,255,.04);padding:0;flex-direction:column;justify-content:center;
  align-items:center;gap:4px;flex-shrink:0;
}
.nav-toggle span{display:block;width:18px;height:2px;background:#fff;border-radius:2px}
.mobile-drawer{display:none;border-top:1px solid var(--line);background:rgba(12,12,12,.98);padding:14px 20px 22px}
.mobile-drawer.open{display:block}
.mobile-drawer a{display:block;padding:12px 14px;border-radius:var(--r-md);color:#E5E5E5;font-weight:600;font-size:15px}
.mobile-drawer a.active{color:var(--ember);background:rgba(234,88,12,.12)}
.mobile-drawer a + a{margin-top:4px}
/* ---------- HERO ---------- */
.hero{
  position:relative;
  padding:clamp(46px,6.4vw,92px) 0 clamp(50px,6.4vw,84px);
  background:
    linear-gradient(180deg,rgba(10,10,10,.94) 0%,rgba(10,10,10,.9) 48%,#0A0A0A 100%),
    radial-gradient(880px 420px at 8% 0%,rgba(234,88,12,.32),transparent 62%),
    url('/assets/images/33f3b7444dfee3a1.jpg') center/cover no-repeat;
  border-bottom:1px solid var(--line);
}
.chip{
  display:inline-flex;align-items:center;gap:9px;padding:7px 15px;border-radius:var(--r-pill);
  background:rgba(234,88,12,.13);border:1px solid var(--line-strong);color:var(--ember);
  font-size:12px;font-weight:700;letter-spacing:.09em;text-transform:uppercase;
}
.hero-grid{display:grid;grid-template-columns:1.06fr .94fr;gap:clamp(28px,4vw,56px);align-items:start;margin-top:24px}
.hero h1{font-size:clamp(27px,4vw,48px);line-height:1.15;margin:18px 0 18px}
.hero-lead{color:#D6D3D1;font-size:clamp(15.5px,1.55vw,17.5px);max-width:640px;line-height:1.68}
.hero-actions{display:flex;flex-wrap:wrap;gap:14px;margin:26px 0 30px}
.btn-lg-x{padding:15px 28px;font-size:16px}
.btn-outline{
  display:inline-flex;align-items:center;justify-content:center;gap:8px;
  padding:14px 24px;border-radius:var(--r-pill);border:1px solid var(--line-strong);
  color:var(--ember);background:rgba(234,88,12,.07);font-weight:700;font-size:15px;
}
.btn-outline:hover{background:rgba(234,88,12,.16);color:#fff}
.hero-stats{display:grid;grid-template-columns:repeat(2,minmax(0,1fr));gap:14px;max-width:620px}
.stat{
  background:rgba(255,255,255,.035);border:1px solid var(--line);border-radius:var(--r-md);
  padding:16px 18px;transition:border-color .2s ease,background .2s ease;
}
.stat:hover{border-color:var(--line-strong);background:rgba(234,88,12,.08)}
.stat strong{display:block;font-size:22px;font-weight:800;background:var(--grad);-webkit-background-clip:text;background-clip:text;color:transparent}
.stat span{display:block;color:var(--muted);font-size:13.5px;line-height:1.5;margin-top:4px}
.hero-panel{
  background:linear-gradient(165deg,#1B1815 0%,#121110 100%);
  border:1px solid var(--line);border-radius:var(--r-xl);padding:18px;
  box-shadow:var(--shadow-2);
}
.panel-media{position:relative;border-radius:var(--r-lg);overflow:hidden;border:1px solid var(--line)}
.panel-media img{width:100%;aspect-ratio:16/10;object-fit:cover}
.panel-tag{
  position:absolute;top:12px;left:12px;padding:6px 12px;border-radius:var(--r-pill);
  background:rgba(10,10,10,.78);border:1px solid var(--line-strong);color:var(--ember);
  font-size:11.5px;font-weight:700;letter-spacing:.08em;text-transform:uppercase;
}
.panel-title{font-size:17px;margin:18px 0 12px}
.panel-list li{
  display:flex;gap:10px;padding:11px 0;border-bottom:1px dashed rgba(255,255,255,.09);
  color:#D6D3D1;font-size:14.6px;line-height:1.58;
}
.panel-list li:last-child{border-bottom:0;padding-bottom:2px}
.panel-list li::before{content:"▹";color:var(--orange);font-weight:800;line-height:1.5}
/* ---------- SECTION HEADS ---------- */
.sec-head{max-width:840px;margin-bottom:38px}
.eyebrow{
  display:inline-block;font-size:11.5px;font-weight:800;letter-spacing:.14em;
  text-transform:uppercase;color:var(--ember);margin-bottom:12px;
}
.sec-title{font-size:clamp(23px,3vw,35px);margin-bottom:12px}
.sec-sub{color:var(--muted);font-size:16.5px;line-height:1.68;max-width:760px}
/* ---------- CARDS ---------- */
.grid-3{display:grid;grid-template-columns:repeat(3,minmax(0,1fr));gap:20px}
.grid-2{display:grid;grid-template-columns:repeat(2,minmax(0,1fr));gap:20px}
.sign-card{
  background:var(--surface);border:1px solid var(--line);border-radius:var(--r-lg);
  padding:24px;height:100%;transition:transform .22s ease,border-color .22s ease,box-shadow .22s ease;
}
.sign-card:hover{transform:translateY(-5px);border-color:var(--line-strong);box-shadow:var(--shadow-1)}
.sign-num{
  display:inline-grid;place-items:center;width:36px;height:36px;border-radius:12px;
  background:var(--grad);color:#1B0C03;font-weight:800;font-size:15px;margin-bottom:16px;
}
.sign-card h3{font-size:17.5px;margin-bottom:10px}
.sign-card p{color:var(--muted);font-size:14.8px;line-height:1.65;margin:0}
.tag-row{display:flex;flex-wrap:wrap;gap:8px;margin-top:16px}
.tag{
  display:inline-block;padding:5px 11px;border-radius:var(--r-pill);font-size:12px;font-weight:700;
  background:rgba(234,88,12,.12);border:1px solid var(--line-strong);color:var(--ember);
}
.tag--gray{background:rgba(255,255,255,.05);border-color:var(--line);color:#D4D4D4}
/* ---------- TRICK LIST ---------- */
.trick-list{display:grid;gap:16px}
.trick{
  display:grid;grid-template-columns:56px 1fr;gap:18px;align-items:start;
  background:var(--surface);border:1px solid var(--line);border-left:3px solid var(--orange);
  border-radius:var(--r-md);padding:20px 22px;transition:background .2s ease,border-color .2s ease;
}
.trick:hover{background:var(--surface-2);border-left-color:var(--red)}
.trick-idx{font-size:24px;font-weight:800;color:rgba(253,186,116,.5);line-height:1}
.trick h3{font-size:17px;margin-bottom:8px}
.trick p{color:var(--muted);font-size:14.8px;margin:0;line-height:1.65}
/* ---------- TIMELINE ---------- */
.timeline{position:relative;display:grid;gap:16px;padding-left:34px}
.timeline::before{
  content:"";position:absolute;left:11px;top:8px;bottom:8px;width:2px;
  background:linear-gradient(180deg,var(--orange),rgba(234,88,12,.06));
}
.step{position:relative;background:var(--surface);border:1px solid var(--line);border-radius:var(--r-lg);padding:20px 22px}
.step::before{
  content:"";position:absolute;left:-28px;top:24px;width:12px;height:12px;border-radius:50%;
  background:var(--grad);box-shadow:0 0 0 4px rgba(234,88,12,.16);
}
.step-num{font-size:11.5px;font-weight:800;letter-spacing:.14em;text-transform:uppercase;color:var(--ember)}
.step h3{font-size:17px;margin:8px 0 8px}
.step p{color:var(--muted);font-size:14.8px;margin:0;line-height:1.65}
/* ---------- CHECKLIST ---------- */
.check-shell{display:grid;grid-template-columns:1.15fr .85fr;gap:26px;align-items:start}
.check-list{display:grid;gap:12px}
.check-item{
  display:flex;gap:14px;align-items:flex-start;background:var(--surface);
  border:1px solid var(--line);border-radius:var(--r-md);padding:16px 18px;cursor:pointer;
  transition:border-color .2s ease,background .2s ease,transform .2s ease;
}
.check-item:hover{border-color:var(--line-strong);transform:translateX(3px)}
.check-item input{width:20px;height:20px;margin:3px 0 0;flex:0 0 20px;accent-color:#EA580C;cursor:pointer}
.check-item strong{display:block;font-size:15.4px;margin-bottom:4px}
.check-item span{display:block;color:var(--muted);font-size:14.2px;line-height:1.6}
.check-item.done{background:var(--grad-soft);border-color:var(--line-strong)}
.check-item.done strong{color:var(--ember)}
.check-meter{
  background:var(--surface);border:1px solid var(--line);border-radius:var(--r-lg);
  padding:24px;position:sticky;top:104px;
}
.meter-value{font-size:40px;font-weight:800;line-height:1;background:var(--grad);-webkit-background-clip:text;background-clip:text;color:transparent}
.meter-label{color:var(--muted);font-size:14px;margin:8px 0 18px}
.meter-bar{height:8px;border-radius:var(--r-pill);background:rgba(255,255,255,.08);overflow:hidden}
.meter-bar i{display:block;height:100%;width:0;background:var(--grad);border-radius:var(--r-pill);transition:width .3s ease}
.meter-hint{color:#D6D3D1;font-size:14.2px;line-height:1.6;margin-top:18px}
/* ---------- TABLE ---------- */
.table-scroll{overflow-x:auto;border-radius:var(--r-lg);border:1px solid var(--line);background:var(--surface)}
.cmp-table{width:100%;min-width:680px;border-collapse:collapse}
.cmp-table th,.cmp-table td{padding:15px 20px;text-align:left;border-bottom:1px solid var(--line);font-size:14.8px;vertical-align:top}
.cmp-table thead th{background:rgba(255,255,255,.035);font-size:12px;letter-spacing:.08em;text-transform:uppercase;color:#fff}
.cmp-table tbody tr:last-child td{border-bottom:0}
.cmp-table tbody tr:hover{background:rgba(255,255,255,.02)}
.cmp-table td:first-child{font-weight:700;color:#fff}
.cmp-table td.good{color:#6EE7B7}
.cmp-table td.bad{color:#FCA5A5}
/* ---------- CHANNEL MATRIX ---------- */
.chan-card{
  display:block;background:linear-gradient(160deg,#1B1815,#121110);border:1px solid var(--line);
  border-radius:var(--r-lg);padding:24px;height:100%;color:#fff;
  transition:transform .22s ease,border-color .22s ease,box-shadow .22s ease;
}
.chan-card:hover{color:#fff;transform:translateY(-5px);border-color:var(--line-strong);box-shadow:var(--shadow-1)}
.chan-card h3{font-size:17.5px;margin:14px 0 10px}
.chan-card p{color:var(--muted);font-size:14.6px;margin:0 0 16px;line-height:1.65}
.chan-ico{width:44px;height:44px;border-radius:14px;display:grid;place-items:center;background:rgba(234,88,12,.14);border:1px solid var(--line-strong);font-size:20px}
.chan-more{font-size:14px;font-weight:700;color:var(--ember)}
/* ---------- NEWS LIST ---------- */
.news-grid{display:grid;grid-template-columns:repeat(3,minmax(0,1fr));gap:20px}
.news-card{
  background:var(--surface);border:1px solid var(--line);border-radius:var(--r-lg);
  overflow:hidden;display:flex;flex-direction:column;transition:transform .22s ease,border-color .22s ease,box-shadow .22s ease;
}
.news-card:hover{transform:translateY(-5px);border-color:var(--line-strong);box-shadow:var(--shadow-1)}
.news-thumb{display:block;overflow:hidden}
.news-thumb img{width:100%;aspect-ratio:16/10;object-fit:cover;transition:transform .35s ease}
.news-card:hover .news-thumb img{transform:scale(1.05)}
.news-body{padding:18px 20px 20px;display:flex;flex-direction:column;gap:10px;flex:1}
.news-meta{display:flex;align-items:center;gap:10px;flex-wrap:wrap;font-size:12.5px;color:var(--muted)}
.news-cat{padding:4px 10px;border-radius:var(--r-pill);background:rgba(234,88,12,.12);border:1px solid var(--line-strong);color:var(--ember);font-weight:700}
.news-body h3{font-size:16.5px;line-height:1.4}
.news-body h3 a{color:#fff}
.news-body h3 a:hover{color:var(--ember)}
.news-body p{color:var(--muted);font-size:14.2px;margin:0}
.news-link{margin-top:auto;font-size:14px;font-weight:700;color:var(--ember)}
.empty-note{
  background:var(--surface);border:1px dashed var(--line-strong);border-radius:var(--r-lg);
  padding:26px;color:var(--muted);font-size:15px;text-align:left;
}
/* ---------- FAQ ---------- */
.faq{max-width:920px}
.faq .accordion-item{background:var(--surface);border:1px solid var(--line);border-radius:var(--r-md) !important;margin-bottom:12px;overflow:hidden}
.faq .accordion-button{
  background:transparent;color:#fff;font-weight:700;font-size:16.4px;padding:18px 20px;
  box-shadow:none;border-radius:var(--r-md) !important;line-height:1.5;
}
.faq .accordion-button:not(.collapsed){color:var(--ember);background:rgba(234,88,12,.09)}
.faq .accordion-button:focus{box-shadow:none;border-color:transparent}
.faq .accordion-button::after{filter:invert(72%) sepia(38%) saturate(1400%) hue-rotate(340deg)}
.faq .accordion-body{color:var(--muted);font-size:15px;line-height:1.7;padding:0 20px 20px}
.faq .accordion-body strong{color:#E7E5E4}
/* ---------- CTA ---------- */
.cta-band{
  position:relative;border-radius:var(--r-xl);padding:clamp(28px,4.4vw,52px);overflow:hidden;
  border:1px solid var(--line-strong);
  background:
    linear-gradient(120deg,rgba(10,10,10,.9) 12%,rgba(10,10,10,.72) 100%),
    url('/assets/images/9022046b5d552115.jpg') center/cover no-repeat;
}
.cta-grid{display:grid;grid-template-columns:1.2fr .8fr;gap:30px;align-items:center}
.cta-band h2{font-size:clamp(22px,2.9vw,34px);margin-bottom:14px}
.cta-band p{color:#D6D3D1;font-size:16px;max-width:640px;margin:0}
.cta-actions{display:flex;flex-direction:column;gap:12px}
.cta-actions .btn-brand,.cta-actions .btn-outline{width:100%}
.cta-note{color:var(--muted);font-size:13px;line-height:1.6}
/* ---------- FOOTER ---------- */
.site-footer{background:#080807;border-top:1px solid var(--line);padding:56px 0 26px}
.foot-grid{display:grid;grid-template-columns:1.5fr 1fr 1fr 1fr;gap:34px}
.foot-brand{display:flex;align-items:center;gap:10px;font-weight:800;font-size:16px;margin-bottom:14px}
.foot-brand .brand-mark{width:34px;height:34px;border-radius:11px;font-size:16px}
.foot-about{color:var(--muted);font-size:14.5px;line-height:1.7;margin:0}
.foot-col h4{font-size:12.5px;letter-spacing:.1em;text-transform:uppercase;color:#fff;margin-bottom:14px}
.foot-col ul li a{display:block;padding:7px 0;color:var(--muted);font-size:14.4px}
.foot-col ul li a:hover{color:var(--ember)}
.foot-note{
  display:flex;justify-content:space-between;gap:16px;flex-wrap:wrap;align-items:center;
  border-top:1px solid var(--line);margin-top:36px;padding-top:20px;color:#8A8A8A;font-size:13px;
}
.badge-18{
  padding:7px 12px;border-radius:var(--r-pill);border:1px solid var(--line);
  background:rgba(255,255,255,.03);font-size:12.5px;color:#9A9A9A;line-height:1.5;
}
/* ---------- FAB ---------- */
.fab{
  position:fixed;left:16px;bottom:96px;z-index:60;
  display:inline-flex;align-items:center;gap:10px;min-height:56px;padding:0 18px 0 15px;
  border-radius:var(--r-pill);border:1px solid transparent;
  background-image:linear-gradient(rgba(7,7,13,.86),rgba(7,7,13,.86)),linear-gradient(120deg,#EA580C,#EF4444,#F59E0B);
  background-origin:border-box;background-clip:padding-box,border-box;
  color:#fff;font-weight:700;font-size:14px;opacity:.82;
  box-shadow:0 0 20px rgba(234,88,12,.45);
  transition:opacity .22s ease,transform .22s ease,box-shadow .22s ease;
}
.fab:hover{color:#fff;opacity:1;transform:translateY(-3px);box-shadow:0 0 30px rgba(239,68,68,.6)}
.fab:active{transform:scale(.96)}
.fab-icon{font-size:19px;line-height:1;animation:fabPulse 2.6s ease-in-out infinite}
.fab-dot{
  position:absolute;top:7px;right:9px;width:10px;height:10px;border-radius:50%;background:#EF4444;
  box-shadow:0 0 0 2px rgba(10,10,10,.9);animation:blinkDot 1.4s ease-in-out infinite;
}
@keyframes fabPulse{0%,100%{transform:scale(1)}50%{transform:scale(1.14)}}
@keyframes blinkDot{0%,100%{opacity:1}50%{opacity:.35}}
/* ---------- RESPONSIVE ---------- */
@media (max-width:1024px){
  .hero-grid{grid-template-columns:1fr}
  .grid-3,.news-grid{grid-template-columns:repeat(2,minmax(0,1fr))}
  .check-shell{grid-template-columns:1fr}
  .check-meter{position:static}
  .cta-grid{grid-template-columns:1fr}
  .foot-grid{grid-template-columns:1fr 1fr}
}
@media (max-width:768px){
  .main-nav{display:none}
  .nav-toggle{display:flex}
  .nav-wrap{gap:10px;min-height:66px}
  .brand-text{font-size:13.6px}
  .brand-text small{font-size:10px}
  .btn-ghost{padding:9px 12px;font-size:13px}
  .btn-brand{padding:10px 14px;font-size:13px}
  .hero-stats{grid-template-columns:1fr 1fr}
  .trick{grid-template-columns:40px 1fr;gap:14px;padding:18px}
  .timeline{padding-left:28px}
  .step::before{left:-24px}
}
@media (max-width:520px){
  .container{padding:0 16px}
  .grid-3,.grid-2,.news-grid,.hero-stats{grid-template-columns:1fr}
  .hero h1{font-size:26px}
  .nav-actions .btn-ghost{display:inline-flex}
  .fab{bottom:84px;min-height:52px;padding:0 15px 0 13px;font-size:13px}
  .foot-grid{grid-template-columns:1fr;gap:26px}
  .foot-note{flex-direction:column;align-items:flex-start}
}

/* 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}