/* roulang page: index */
:root{
  --bg:#030712;
  --bg-2:#081229;
  --panel:rgba(11,23,48,.72);
  --panel-solid:#0b1730;
  --line:rgba(56,189,248,.16);
  --line-strong:rgba(56,189,248,.40);
  --blue:#2563EB;
  --cyan:#38BDF8;
  --holo:#60A5FA;
  --text:#F8FAFC;
  --muted:#94A3B8;
  --dim:#64748B;
  --gold:#FACC15;
  --rose:#F43F5E;
  --radius-xl:24px;
  --radius-lg:18px;
  --radius-md:14px;
  --radius-sm:10px;
  --shadow:0 20px 50px rgba(2,7,22,.6);
  --glow:0 0 24px rgba(56,189,248,.32);
  --container:1200px;
  --pad:clamp(16px,4vw,24px);
}
*,*::before,*::after{box-sizing:border-box}
html{scroll-behavior:smooth;-webkit-text-size-adjust:100%}
body{
  margin:0;
  font-family:'Be Vietnam Pro',system-ui,-apple-system,"Segoe UI",Roboto,Arial,sans-serif;
  font-size:16px;
  line-height:1.65;
  color:var(--text);
  background:var(--bg);
  overflow-x:hidden;
  -webkit-font-smoothing:antialiased;
}
img{max-width:100%;height:auto;display:block}
a{color:inherit;text-decoration:none;transition:color .25s ease,background .25s ease,border-color .25s ease,transform .25s ease}
a:hover{color:var(--cyan)}
h1,h2,h3,h4,h5{margin:0 0 .6em;font-weight:800;line-height:1.25;letter-spacing:-.015em;color:#fff}
h1{font-size:clamp(1.6rem,3.4vw,2.6rem)}
h2{font-size:clamp(1.4rem,2.6vw,2.05rem)}
h3{font-size:clamp(1.08rem,1.8vw,1.35rem)}
p{margin:0 0 1rem;color:var(--muted)}
ul{margin:0;padding:0;list-style:none}
button{font-family:inherit;cursor:pointer}
:focus-visible{outline:2px solid var(--cyan);outline-offset:3px;border-radius:6px}
.container{width:100%;max-width:var(--container);margin:0 auto;padding:0 var(--pad)}

/* ===== HEADER / NAV ===== */
.site-header{
  position:sticky;top:0;z-index:1040;
  background:rgba(3,7,18,.86);
  backdrop-filter:blur(16px);
  -webkit-backdrop-filter:blur(16px);
  border-bottom:1px solid var(--line);
}
.nav-wrap{display:flex;align-items:center;gap:14px;min-height:72px}
.brand{display:flex;align-items:center;gap:10px;margin-right:auto;font-weight:800;font-size:1rem;line-height:1.2;color:#fff;max-width:340px}
.brand:hover{color:#fff}
.brand-mark{
  flex:0 0 auto;width:40px;height:40px;border-radius:12px;display:grid;place-items:center;font-size:1.15rem;
  background:linear-gradient(140deg,var(--cyan),var(--blue));
  box-shadow:0 0 18px rgba(56,189,248,.45);
}
.brand-text{display:block;font-size:.94rem;letter-spacing:-.01em}
.brand-text small{display:block;font-size:.68rem;font-weight:600;color:var(--holo);letter-spacing:.06em;text-transform:uppercase}
.main-nav{display:flex;align-items:center;gap:4px}
.nav-link{
  padding:9px 15px;border-radius:999px;font-size:.92rem;font-weight:600;color:var(--muted);white-space:nowrap;
  border:1px solid transparent;
}
.nav-link:hover{color:#fff;background:rgba(56,189,248,.10);border-color:var(--line)}
.nav-link.active{
  color:#fff;border-color:var(--line-strong);
  background:linear-gradient(135deg,rgba(37,99,235,.42),rgba(56,189,248,.24));
  box-shadow:0 0 16px rgba(56,189,248,.22);
}
.nav-actions{display:flex;align-items:center;gap:8px}
.btn-ghost{
  padding:9px 14px;border-radius:999px;font-size:.88rem;font-weight:600;color:var(--muted);
  border:1px solid transparent;background:transparent;
}
.btn-ghost:hover{color:#fff;border-color:var(--line-strong);background:rgba(56,189,248,.08)}
.nav-toggle{
  display:none;width:42px;height:42px;border-radius:12px;border:1px solid var(--line-strong);
  background:rgba(56,189,248,.08);color:#fff;font-size:1rem;
}
.nav-toggle:hover{background:rgba(56,189,248,.18)}

/* ===== BUTTONS ===== */
.btn-primary-glow{
  display:inline-flex;align-items:center;justify-content:center;gap:8px;
  padding:12px 24px;border-radius:999px;border:0;font-weight:700;font-size:.94rem;color:#03121f;
  background:linear-gradient(135deg,#7DD3FC,#38BDF8 40%,#2563EB);
  box-shadow:0 0 0 1px rgba(125,211,252,.55),0 12px 32px rgba(37,99,235,.45);
}
.btn-primary-glow:hover{color:#03121f;transform:translateY(-2px);box-shadow:0 0 0 1px rgba(125,211,252,.9),0 18px 40px rgba(56,189,248,.55)}
.btn-primary-glow:active{transform:translateY(0) scale(.98)}
.btn-outline{
  display:inline-flex;align-items:center;justify-content:center;gap:8px;
  padding:11px 22px;border-radius:999px;font-weight:600;font-size:.92rem;color:#E2E8F0;
  border:1px solid var(--line-strong);background:rgba(56,189,248,.06);
}
.btn-outline:hover{color:#fff;border-color:var(--cyan);background:rgba(56,189,248,.14);box-shadow:var(--glow)}
.btn-sm{padding:8px 16px;font-size:.85rem}

/* ===== SECTIONS ===== */
.section{padding:clamp(48px,7vw,96px) 0;position:relative}
.section--alt{background:linear-gradient(180deg,rgba(8,18,41,.85),rgba(3,7,18,.6));border-top:1px solid var(--line);border-bottom:1px solid var(--line)}
.section-head{max-width:780px;margin-bottom:clamp(26px,4vw,46px)}
.section-head.center{margin-left:auto;margin-right:auto;text-align:center}
.section-head p{margin-bottom:0;font-size:1rem}
.eyebrow{
  display:inline-flex;align-items:center;gap:8px;margin-bottom:14px;padding:6px 14px;border-radius:999px;
  font-size:.72rem;font-weight:700;letter-spacing:.12em;text-transform:uppercase;color:var(--holo);
  border:1px solid var(--line-strong);background:rgba(56,189,248,.07);
}
.eyebrow i{font-size:.7rem;color:var(--cyan)}
.divider{height:1px;background:linear-gradient(90deg,transparent,var(--line-strong),transparent);margin:0}

/* ===== HERO ===== */
.hero{position:relative;overflow:hidden;padding:clamp(36px,5vw,74px) 0 clamp(56px,7vw,96px)}
.hero-bg{position:absolute;inset:0;background-image:url('/assets/images/8e93b9016d4c2aff.jpg');background-size:cover;background-position:center;opacity:.34}
.hero-overlay{position:absolute;inset:0;background:
  radial-gradient(900px 480px at 12% 10%,rgba(37,99,235,.34),transparent 60%),
  linear-gradient(120deg,rgba(3,7,18,.97) 0%,rgba(3,7,18,.82) 42%,rgba(8,18,41,.94) 100%)}
.hero-inner{position:relative;z-index:2;display:grid;grid-template-columns:1.02fr .98fr;gap:clamp(26px,4vw,58px);align-items:center}
.badge-live{
  display:inline-flex;align-items:center;gap:9px;padding:7px 16px;border-radius:999px;margin-bottom:18px;
  font-size:.76rem;font-weight:700;letter-spacing:.08em;text-transform:uppercase;color:#FECDD3;
  border:1px solid rgba(244,63,94,.5);background:rgba(244,63,94,.12);
}
.badge-live i{font-size:.55rem;color:#FB7185;animation:pulseDot 1.4s infinite}
@keyframes pulseDot{0%,100%{opacity:1}50%{opacity:.25}}
.hero h1{margin-bottom:18px;text-shadow:0 6px 30px rgba(2,7,22,.7)}
.hero-lead{font-size:clamp(.98rem,1.4vw,1.08rem);line-height:1.7;color:#CBD5E1;max-width:620px}
.hero-cta{display:flex;flex-wrap:wrap;gap:12px;margin:24px 0 22px}
.hero-points{display:flex;flex-wrap:wrap;gap:10px 22px}
.hero-points li{display:flex;align-items:center;gap:9px;font-size:.88rem;color:#CBD5E1;font-weight:500}
.hero-points i{color:var(--cyan);font-size:.85rem}

.hero-stack{position:relative;display:grid;grid-template-columns:1fr 1fr;gap:16px}
.stack-card{
  background:var(--panel);border:1px solid var(--line);border-radius:var(--radius-lg);
  backdrop-filter:blur(14px);-webkit-backdrop-filter:blur(14px);box-shadow:var(--shadow);
  overflow:hidden;transition:transform .3s ease,border-color .3s ease,box-shadow .3s ease;
}
.stack-card:hover{transform:translateY(-5px);border-color:var(--line-strong);box-shadow:0 26px 60px rgba(2,7,22,.7),var(--glow)}
.stack-main{grid-column:1 / -1;display:flex;flex-direction:column}
.stack-main img{width:100%;height:216px;object-fit:cover}
.stack-main .stack-body{padding:18px 20px 20px}
.stack-tag{
  display:inline-block;padding:4px 11px;border-radius:8px;font-size:.68rem;font-weight:800;letter-spacing:.1em;text-transform:uppercase;
  color:#03121f;background:linear-gradient(135deg,#7DD3FC,#38BDF8);margin-bottom:10px;
}
.stack-tag.hot{color:#fff;background:linear-gradient(135deg,#F43F5E,#B91C1C)}
.stack-card h3{font-size:1.02rem;margin-bottom:8px}
.stack-card p{font-size:.85rem;margin-bottom:0;color:var(--muted);line-height:1.6}
.stack-meta{display:flex;flex-wrap:wrap;gap:8px 14px;margin-top:12px;font-size:.78rem;color:var(--holo)}
.stack-meta span{display:inline-flex;align-items:center;gap:6px}
.stack-side{padding:16px}
.stack-side .stack-thumb{width:100%;height:88px;border-radius:12px;object-fit:cover;margin-bottom:12px}
.stack-side.s1{margin-top:-22px}
.stack-side.s2{margin-top:22px}

/* ===== LIVE STRIP ===== */
.live-strip{padding:0 0 clamp(40px,5vw,64px)}
.strip-grid{
  display:grid;grid-template-columns:repeat(4,1fr);gap:1px;
  background:var(--line);border:1px solid var(--line);border-radius:var(--radius-lg);overflow:hidden;
}
.strip-item{background:linear-gradient(180deg,rgba(11,23,48,.9),rgba(6,13,30,.9));padding:24px 20px}
.strip-item strong{display:block;font-size:clamp(1.4rem,2.6vw,1.9rem);font-weight:800;color:#fff;line-height:1.1;margin-bottom:6px}
.strip-item strong em{font-style:normal;color:var(--cyan);font-size:.9rem;font-weight:700;margin-left:2px}
.strip-item span{font-size:.85rem;color:var(--muted)}

/* ===== OVERVIEW ===== */
.overview-grid{display:grid;grid-template-columns:1.35fr .85fr;gap:clamp(26px,4vw,52px);align-items:start}
.overview-block{padding-left:20px;border-left:2px solid var(--line);margin-bottom:30px}
.overview-block:last-child{margin-bottom:0}
.overview-block h3{margin-bottom:10px}
.overview-block p{margin-bottom:0;font-size:.97rem;line-height:1.7}
.overview-aside{position:sticky;top:96px}
.aside-figure{border-radius:var(--radius-xl);overflow:hidden;border:1px solid var(--line);box-shadow:var(--shadow)}
.aside-figure img{width:100%;height:250px;object-fit:cover}
.aside-facts{margin-top:18px;border:1px solid var(--line);border-radius:var(--radius-lg);background:var(--panel);padding:20px}
.aside-facts h4{font-size:.95rem;margin-bottom:14px;color:var(--holo);text-transform:uppercase;letter-spacing:.08em;font-size:.75rem}
.aside-facts li{display:flex;justify-content:space-between;gap:12px;padding:11px 0;border-bottom:1px dashed rgba(148,163,184,.18);font-size:.9rem;color:#CBD5E1}
.aside-facts li:last-child{border-bottom:0;padding-bottom:0}
.aside-facts li b{color:#fff;font-weight:700}

/* ===== FEATURES ===== */
.feature-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:clamp(18px,2.6vw,32px)}
.feature-item{padding:26px 0 0;border-top:2px solid var(--line);transition:border-color .3s ease,transform .3s ease}
.feature-item:hover{border-color:var(--cyan);transform:translateY(-4px)}
.feature-icon{
  width:48px;height:48px;border-radius:14px;display:grid;place-items:center;margin-bottom:16px;font-size:1.1rem;color:var(--cyan);
  background:linear-gradient(140deg,rgba(56,189,248,.18),rgba(37,99,235,.1));border:1px solid var(--line-strong);
}
.feature-item h3{font-size:1.05rem;margin-bottom:9px}
.feature-item p{font-size:.92rem;margin-bottom:0}

/* ===== MATRIX ===== */
.matrix-grid{display:grid;grid-template-columns:repeat(4,1fr);gap:20px}
.matrix-card{
  display:block;border-radius:var(--radius-lg);overflow:hidden;border:1px solid var(--line);background:var(--panel);
  transition:transform .3s ease,border-color .3s ease,box-shadow .3s ease;
}
.matrix-card:hover{transform:translateY(-6px);border-color:var(--line-strong);box-shadow:0 24px 55px rgba(2,7,22,.65),var(--glow);color:inherit}
.matrix-card figure{margin:0;position:relative;overflow:hidden}
.matrix-card img{width:100%;height:158px;object-fit:cover;transition:transform .5s ease}
.matrix-card:hover img{transform:scale(1.06)}
.matrix-card figcaption{
  position:absolute;left:12px;top:12px;padding:5px 12px;border-radius:999px;font-size:.7rem;font-weight:800;
  letter-spacing:.08em;text-transform:uppercase;color:#03121f;background:linear-gradient(135deg,#7DD3FC,#38BDF8);
}
.matrix-body{padding:16px 18px 20px}
.matrix-body h3{font-size:1rem;margin-bottom:8px}
.matrix-body p{font-size:.86rem;margin-bottom:12px;line-height:1.6}
.matrix-link{font-size:.82rem;font-weight:700;color:var(--cyan);display:inline-flex;align-items:center;gap:7px}

/* ===== TIMELINE ===== */
.timeline{position:relative;padding-left:26px}
.timeline::before{content:"";position:absolute;left:7px;top:6px;bottom:6px;width:2px;background:linear-gradient(180deg,var(--cyan),rgba(56,189,248,.05))}
.timeline li{position:relative;display:grid;grid-template-columns:110px 1fr auto;gap:18px;align-items:center;padding:18px 0;border-bottom:1px dashed rgba(148,163,184,.16)}
.timeline li:last-child{border-bottom:0}
.timeline li::before{content:"";position:absolute;left:-26px;top:26px;width:14px;height:14px;border-radius:50%;background:var(--bg-2);border:2px solid var(--cyan);box-shadow:0 0 12px rgba(56,189,248,.6)}
.tl-time{font-weight:800;color:#fff;font-size:.98rem}
.tl-main strong{display:block;font-size:.96rem;color:#E2E8F0;font-weight:700}
.tl-main span{font-size:.85rem;color:var(--muted)}
.tl-tag{padding:5px 13px;border-radius:999px;font-size:.72rem;font-weight:700;border:1px solid var(--line-strong);color:var(--holo);background:rgba(56,189,248,.08);white-space:nowrap}
.tl-tag.live{color:#FECDD3;border-color:rgba(244,63,94,.5);background:rgba(244,63,94,.12)}

/* ===== STEPS ===== */
.steps{display:grid;grid-template-columns:repeat(4,1fr);gap:22px;counter-reset:step}
.step{position:relative;padding-top:56px}
.step::before{
  counter-increment:step;content:counter(step,decimal-leading-zero);
  position:absolute;top:0;left:0;font-size:1.9rem;font-weight:800;color:transparent;
  -webkit-text-stroke:1px rgba(56,189,248,.55);line-height:1;
}
.step h3{font-size:1rem;margin-bottom:8px}
.step p{font-size:.9rem;margin-bottom:0}

/* ===== STAGE / DEMO ===== */
.stage{display:grid;grid-template-columns:1.5fr 1fr;gap:20px}
.stage-main{position:relative;border-radius:var(--radius-xl);overflow:hidden;border:1px solid var(--line);box-shadow:var(--shadow)}
.stage-main img{width:100%;height:100%;min-height:340px;object-fit:cover}
.stage-caption{
  position:absolute;left:0;right:0;bottom:0;padding:26px 24px;
  background:linear-gradient(180deg,transparent,rgba(3,7,18,.94) 62%);
}
.stage-caption h3{margin-bottom:8px;font-size:1.15rem}
.stage-caption p{margin:0;font-size:.9rem;max-width:520px}
.stage-side{display:grid;grid-template-rows:1fr 1fr;gap:20px}
.stage-mini{border-radius:var(--radius-lg);overflow:hidden;border:1px solid var(--line);position:relative}
.stage-mini img{width:100%;height:100%;min-height:160px;object-fit:cover;transition:transform .5s ease}
.stage-mini:hover img{transform:scale(1.05)}
.stage-mini span{
  position:absolute;left:14px;bottom:12px;padding:5px 12px;border-radius:999px;font-size:.72rem;font-weight:700;
  background:rgba(3,7,18,.8);border:1px solid var(--line-strong);color:#E2E8F0;backdrop-filter:blur(6px);
}

/* ===== TESTIMONIALS ===== */
.quote-grid{display:grid;grid-template-columns:repeat(2,1fr);gap:clamp(20px,3vw,34px)}
.quote{padding-left:22px;border-left:3px solid var(--line-strong);transition:border-color .3s ease}
.quote:hover{border-color:var(--cyan)}
.quote i{color:var(--cyan);font-size:1.1rem;margin-bottom:12px;display:block;opacity:.7}
.quote p{font-size:.96rem;color:#CBD5E1;line-height:1.7;margin-bottom:14px}
.quote footer{display:flex;align-items:center;gap:12px}
.avatar{
  width:42px;height:42px;border-radius:50%;display:grid;place-items:center;font-weight:800;font-size:.9rem;color:#03121f;
  background:linear-gradient(140deg,#7DD3FC,#2563EB);flex:0 0 auto;
}
.quote footer b{display:block;font-size:.9rem;color:#fff}
.quote footer small{font-size:.78rem;color:var(--muted)}
.stars{color:var(--gold);font-size:.78rem;letter-spacing:2px;margin-bottom:10px;display:block}

/* ===== PLANS ===== */
.plans{display:grid;grid-template-columns:repeat(3,1fr);gap:22px;align-items:stretch}
.plan{
  border:1px solid var(--line);border-radius:var(--radius-xl);background:var(--panel);padding:28px 24px;
  display:flex;flex-direction:column;transition:transform .3s ease,border-color .3s ease,box-shadow .3s ease;
}
.plan:hover{transform:translateY(-6px);border-color:var(--line-strong);box-shadow:var(--shadow)}
.plan.featured{border-color:var(--line-strong);background:linear-gradient(180deg,rgba(37,99,235,.22),rgba(11,23,48,.85));box-shadow:0 26px 60px rgba(37,99,235,.32)}
.plan-badge{align-self:flex-start;padding:5px 13px;border-radius:999px;font-size:.7rem;font-weight:800;letter-spacing:.1em;text-transform:uppercase;color:#03121f;background:linear-gradient(135deg,#7DD3FC,#38BDF8);margin-bottom:14px}
.plan h3{font-size:1.1rem;margin-bottom:6px}
.plan-price{font-size:1.85rem;font-weight:800;color:#fff;line-height:1.1;margin-bottom:4px}
.plan-price small{font-size:.82rem;font-weight:600;color:var(--muted)}
.plan-sub{font-size:.84rem;color:var(--muted);margin-bottom:20px}
.plan ul{margin-bottom:24px;flex:1 1 auto}
.plan li{display:flex;gap:10px;align-items:flex-start;font-size:.9rem;color:#CBD5E1;padding:8px 0;border-bottom:1px dashed rgba(148,163,184,.14)}
.plan li:last-child{border-bottom:0}
.plan li i{color:var(--cyan);font-size:.8rem;margin-top:6px}

/* ===== TOPICS ===== */
.topic-chips{display:flex;flex-wrap:wrap;gap:10px;margin-bottom:30px}
.chip{
  padding:8px 16px;border-radius:999px;font-size:.84rem;font-weight:600;color:#CBD5E1;
  border:1px solid var(--line);background:rgba(56,189,248,.05);
}
.chip:hover{color:#fff;border-color:var(--cyan);background:rgba(56,189,248,.14)}
.topic-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:clamp(20px,3vw,34px)}
.topic h3{font-size:1.02rem;margin-bottom:9px}
.topic p{font-size:.92rem;margin-bottom:0}
.topic-num{font-size:.75rem;font-weight:800;letter-spacing:.14em;text-transform:uppercase;color:var(--cyan);display:block;margin-bottom:10px}

/* ===== NEWS ===== */
.news-layout{display:grid;grid-template-columns:1.55fr 1fr;gap:clamp(24px,3.4vw,44px);align-items:start}
.news-row{display:grid;grid-template-columns:132px 1fr;gap:18px;padding:18px 0;border-bottom:1px solid var(--line)}
.news-row:first-child{padding-top:0}
.news-row:last-child{border-bottom:0}
.news-thumb{border-radius:var(--radius-md);overflow:hidden;border:1px solid var(--line);display:block}
.news-thumb img{width:100%;height:92px;object-fit:cover;transition:transform .5s ease}
.news-row:hover .news-thumb img{transform:scale(1.07)}
.news-cat{display:inline-block;font-size:.7rem;font-weight:800;letter-spacing:.1em;text-transform:uppercase;color:var(--cyan);margin-bottom:6px}
.news-row h3{font-size:1rem;margin-bottom:7px;line-height:1.4}
.news-row h3 a:hover{color:var(--cyan)}
.news-row p{font-size:.87rem;margin-bottom:8px;line-height:1.6}
.news-time{font-size:.78rem;color:var(--dim);display:inline-flex;align-items:center;gap:7px}
.news-side{border:1px solid var(--line);border-radius:var(--radius-xl);background:var(--panel);padding:24px}
.news-side h3{font-size:1rem;margin-bottom:6px}
.news-side > p{font-size:.84rem;margin-bottom:18px}
.side-item{display:flex;gap:13px;padding:13px 0;border-bottom:1px dashed rgba(148,163,184,.18)}
.side-item:last-child{border-bottom:0;padding-bottom:0}
.side-index{flex:0 0 auto;width:26px;height:26px;border-radius:8px;display:grid;place-items:center;font-size:.76rem;font-weight:800;color:var(--cyan);background:rgba(56,189,248,.12);border:1px solid var(--line)}
.side-item b{display:block;font-size:.88rem;font-weight:600;color:#E2E8F0;line-height:1.45;margin-bottom:4px}
.side-item span{font-size:.75rem;color:var(--dim)}
.empty-note{padding:22px;border:1px dashed var(--line-strong);border-radius:var(--radius-lg);color:var(--muted);font-size:.9rem;text-align:center}

/* ===== FAQ ===== */
.faq-list{display:grid;gap:12px;max-width:900px}
.faq-item{border:1px solid var(--line);border-radius:var(--radius-md);background:rgba(11,23,48,.55);overflow:hidden;transition:border-color .3s ease}
.faq-item[open]{border-color:var(--line-strong);background:rgba(11,23,48,.85)}
.faq-item summary{
  list-style:none;cursor:pointer;padding:18px 22px;font-weight:700;font-size:.98rem;color:#F1F5F9;
  display:flex;align-items:center;justify-content:space-between;gap:16px;
}
.faq-item summary::-webkit-details-marker{display:none}
.faq-item summary::after{content:"\f067";font-family:"Font Awesome 6 Free";font-weight:900;font-size:.8rem;color:var(--cyan);transition:transform .3s ease}
.faq-item[open] summary::after{transform:rotate(45deg)}
.faq-item p{padding:0 22px 20px;margin:0;font-size:.92rem;line-height:1.7}

/* ===== APP ===== */
.app-wrap{display:grid;grid-template-columns:1fr 1fr;gap:clamp(26px,4vw,54px);align-items:center}
.app-figure{border-radius:var(--radius-xl);overflow:hidden;border:1px solid var(--line);box-shadow:var(--shadow)}
.app-figure img{width:100%;height:320px;object-fit:cover}
.app-list{margin:22px 0 26px}
.app-list li{display:flex;gap:12px;align-items:flex-start;padding:10px 0;font-size:.93rem;color:#CBD5E1}
.app-list i{color:var(--cyan);margin-top:6px;font-size:.8rem}
.app-actions{display:flex;flex-wrap:wrap;gap:12px}
.pay-row{display:flex;flex-wrap:wrap;gap:10px;margin-top:24px}
.pay-badge{
  padding:8px 15px;border-radius:10px;font-size:.8rem;font-weight:700;color:#E2E8F0;
  border:1px solid var(--line);background:rgba(56,189,248,.06);
}

/* ===== FINAL CTA ===== */
.cta-band{
  position:relative;border-radius:var(--radius-xl);overflow:hidden;border:1px solid var(--line-strong);
  background:linear-gradient(135deg,rgba(37,99,235,.32),rgba(11,23,48,.9) 55%,rgba(56,189,248,.18));
  padding:clamp(32px,5vw,60px);text-align:center;box-shadow:0 30px 70px rgba(2,7,22,.6);
}
.cta-band::before{
  content:"";position:absolute;inset:0;background-image:url('/assets/images/19294519464df57b.jpg');
  background-size:cover;background-position:center;opacity:.14;mix-blend-mode:luminosity;
}
.cta-band > *{position:relative;z-index:2}
.cta-band h2{max-width:820px;margin-left:auto;margin-right:auto}
.cta-band p{max-width:660px;margin:0 auto 26px;font-size:1rem}
.cta-actions{display:flex;flex-wrap:wrap;gap:14px;justify-content:center}

/* ===== FAB ===== */
.fab{
  position:fixed;left:1rem;bottom:6rem;z-index:1050;
  display:inline-flex;align-items:center;gap:10px;padding:12px 18px;border-radius:999px;
  font-size:.84rem;font-weight:700;color:#fff;opacity:.8;
  background:linear-gradient(rgba(7,7,13,.86),rgba(7,7,13,.86)) padding-box,
             linear-gradient(135deg,#38BDF8,#2563EB,#22D3EE) border-box;
  border:2px solid transparent;
  backdrop-filter:blur(14px);-webkit-backdrop-filter:blur(14px);
  box-shadow:0 0 22px rgba(6,182,212,.45);
  transition:opacity .3s ease,transform .3s ease,box-shadow .3s ease;
}
.fab:hover{opacity:1;color:#fff;transform:scale(1.06);box-shadow:0 0 34px rgba(56,189,248,.7)}
.fab:active{transform:scale(.96)}
.fab i{color:var(--cyan);font-size:1rem}
.fab .fab-dot{position:absolute;top:5px;right:9px;width:10px;height:10px;border-radius:50%;background:var(--rose);box-shadow:0 0 0 2px rgba(255,255,255,.85);animation:pulseDot 1.3s infinite}

/* ===== FOOTER ===== */
.site-footer{background:linear-gradient(180deg,rgba(6,13,30,.96),rgba(2,5,14,1));border-top:1px solid var(--line);padding:clamp(46px,6vw,76px) 0 0;margin-top:clamp(30px,5vw,60px)}
.footer-grid{display:grid;grid-template-columns:1.5fr 1fr 1fr 1.2fr;gap:clamp(24px,3.4vw,44px);padding-bottom:44px}
.footer-brand p{font-size:.9rem;line-height:1.7;margin-top:16px;max-width:340px}
.footer-col h4{font-size:.78rem;letter-spacing:.12em;text-transform:uppercase;color:var(--holo);margin-bottom:16px;font-weight:800}
.footer-col li{margin-bottom:11px}
.footer-col a{font-size:.9rem;color:var(--muted)}
.footer-col a:hover{color:var(--cyan)}
.footer-contact li{display:flex;gap:10px;align-items:flex-start;font-size:.88rem;color:var(--muted);margin-bottom:12px}
.footer-contact i{color:var(--cyan);margin-top:5px;font-size:.8rem}
.footer-bottom{border-top:1px solid var(--line);padding:22px 0;display:flex;flex-wrap:wrap;gap:14px;align-items:center;justify-content:space-between}
.footer-bottom p{margin:0;font-size:.82rem;color:var(--dim)}
.age-badge{
  display:inline-flex;align-items:center;gap:8px;padding:5px 12px;border-radius:999px;font-size:.72rem;font-weight:800;
  color:#FECDD3;border:1px solid rgba(244,63,94,.45);background:rgba(244,63,94,.12);letter-spacing:.06em;
}
.footer-legal{font-size:.8rem;color:var(--dim);padding-bottom:30px;max-width:900px;line-height:1.7}

/* ===== RESPONSIVE ===== */
@media (max-width:1100px){
  .footer-grid{grid-template-columns:1.4fr 1fr 1fr}
  .footer-col:last-child{grid-column:1 / -1}
  .matrix-grid{grid-template-columns:repeat(2,1fr)}
  .feature-grid{grid-template-columns:repeat(2,1fr)}
  .steps{grid-template-columns:repeat(2,1fr)}
}
@media (max-width:991px){
  .nav-toggle{display:inline-flex;align-items:center;justify-content:center}
  .main-nav{
    display:none;position:absolute;left:0;right:0;top:100%;flex-direction:column;align-items:stretch;gap:6px;
    padding:16px var(--pad) 22px;background:rgba(4,10,24,.98);border-bottom:1px solid var(--line);
    backdrop-filter:blur(16px);box-shadow:0 24px 50px rgba(2,7,22,.7);
  }
  .main-nav.open{display:flex}
  .nav-link{padding:12px 16px;border-radius:12px;font-size:.95rem}
  .hero-inner{grid-template-columns:1fr}
  .hero-stack{max-width:620px}
  .overview-grid{grid-template-columns:1fr}
  .overview-aside{position:static}
  .stage{grid-template-columns:1fr}
  .stage-main img{min-height:260px}
  .news-layout{grid-template-columns:1fr}
  .plans{grid-template-columns:1fr;max-width:520px;margin:0 auto}
  .app-wrap{grid-template-columns:1fr}
  .app-figure img{height:260px}
  .quote-grid{grid-template-columns:1fr}
}
@media (max-width:767px){
  .brand{max-width:200px}
  .brand-text{font-size:.82rem}
  .brand-text small{font-size:.6rem}
  .btn-ghost{padding:8px 10px;font-size:.8rem}
  .btn-primary-glow{padding:10px 16px;font-size:.84rem}
  .strip-grid{grid-template-columns:repeat(2,1fr)}
  .matrix-grid{grid-template-columns:1fr}
  .feature-grid{grid-template-columns:1fr}
  .steps{grid-template-columns:1fr}
  .topic-grid{grid-template-columns:1fr}
  .timeline li{grid-template-columns:1fr;gap:6px}
  .tl-tag{justify-self:start}
  .timeline li::before{top:22px}
  .news-row{grid-template-columns:1fr}
  .news-thumb img{height:150px}
  .footer-grid{grid-template-columns:1fr 1fr}
  .footer-brand{grid-column:1 / -1}
  .fab{bottom:5.5rem;padding:11px 15px;font-size:.78rem}
}
@media (max-width:520px){
  h1{font-size:1.42rem}
  .hero-cta .btn-primary-glow,.hero-cta .btn-outline{width:100%}
  .stack-side.s1,.stack-side.s2{margin-top:0}
  .hero-stack{grid-template-columns:1fr}
  .stack-main img{height:180px}
  .strip-grid{grid-template-columns:1fr}
  .footer-grid{grid-template-columns:1fr}
  .fab span.fab-label{display:none}
  .fab{padding:14px;border-radius:50%}
  .cta-actions .btn-primary-glow,.cta-actions .btn-outline{width:100%}
}

/* roulang page: article */
:root{
  --bg:#030712;
  --bg-2:#081229;
  --panel:rgba(11,23,48,.72);
  --panel-solid:#0b1730;
  --line:rgba(56,189,248,.16);
  --line-strong:rgba(56,189,248,.40);
  --blue:#2563EB;
  --cyan:#38BDF8;
  --holo:#60A5FA;
  --text:#F8FAFC;
  --muted:#94A3B8;
  --dim:#64748B;
  --gold:#FACC15;
  --rose:#F43F5E;
  --radius-xl:24px;
  --radius-lg:18px;
  --radius-md:14px;
  --radius-sm:10px;
  --shadow:0 20px 50px rgba(2,7,22,.6);
  --glow:0 0 24px rgba(56,189,248,.32);
  --container:1200px;
  --pad:clamp(16px,4vw,24px);
}
html{scroll-behavior:smooth;-webkit-text-size-adjust:100%}
body{
  margin:0;
  font-family:'Be Vietnam Pro',system-ui,-apple-system,"Segoe UI",Roboto,Arial,sans-serif;
  font-size:16px;
  line-height:1.65;
  color:var(--text);
  background:var(--bg);
  overflow-x:hidden;
  -webkit-font-smoothing:antialiased;
}
img{max-width:100%;height:auto;display:block}
a{color:inherit;text-decoration:none;transition:color .25s ease,background .25s ease,border-color .25s ease,transform .25s ease,box-shadow .25s ease}
a:hover{color:var(--cyan)}
button{font-family:inherit;cursor:pointer}
h1,h2,h3,h4{margin:0 0 12px;font-weight:800;line-height:1.25;letter-spacing:-.015em;color:#fff}
h1{font-size:clamp(1.55rem,3.3vw,2.4rem)}
h2{font-size:clamp(1.3rem,2.4vw,1.85rem)}
h3{font-size:clamp(1.05rem,1.7vw,1.25rem)}
p{margin:0 0 14px}
ul{margin:0;padding:0}
:focus-visible{outline:2px solid var(--cyan);outline-offset:3px;border-radius:6px}
.container{width:100%;max-width:var(--container);margin:0 auto;padding:0 var(--pad)}

/* ===== HEADER / NAV ===== */
.site-header{
  position:sticky;top:0;z-index:1040;
  background:rgba(3,7,18,.86);
  backdrop-filter:blur(16px);
  -webkit-backdrop-filter:blur(16px);
  border-bottom:1px solid var(--line);
}
.nav-wrap{display:flex;align-items:center;gap:14px;min-height:72px}
.brand{display:flex;align-items:center;gap:10px;margin-right:auto;font-weight:800;font-size:1rem;line-height:1.2;color:#fff;max-width:340px}
.brand:hover{color:#fff}
.brand-mark{
  flex:0 0 auto;width:40px;height:40px;border-radius:12px;display:grid;place-items:center;font-size:1.15rem;
  background:linear-gradient(140deg,var(--cyan),var(--blue));
  box-shadow:0 0 18px rgba(56,189,248,.45);
}
.brand-text{display:block;font-size:.94rem;letter-spacing:-.01em}
.brand-text small{display:block;font-size:.68rem;font-weight:600;color:var(--holo);letter-spacing:.06em;text-transform:uppercase}
.main-nav{display:flex;align-items:center;gap:4px}
.nav-link{
  padding:9px 15px;border-radius:999px;font-size:.92rem;font-weight:600;color:var(--muted);white-space:nowrap;
  border:1px solid transparent;
}
.nav-link:hover{color:#fff;background:rgba(56,189,248,.10);border-color:var(--line)}
.nav-link.active{
  color:#fff;border-color:var(--line-strong);
  background:linear-gradient(135deg,rgba(37,99,235,.42),rgba(56,189,248,.24));
  box-shadow:0 0 16px rgba(56,189,248,.22);
}
.nav-actions{display:flex;align-items:center;gap:8px}
.btn-ghost{
  padding:9px 14px;border-radius:999px;font-size:.88rem;font-weight:600;color:var(--muted);
  border:1px solid transparent;background:transparent;
}
.btn-ghost:hover{color:#fff;border-color:var(--line-strong);background:rgba(56,189,248,.08)}
.nav-toggle{
  display:none;width:42px;height:42px;border-radius:12px;border:1px solid var(--line-strong);
  background:rgba(56,189,248,.08);color:#fff;font-size:1rem;
}
.nav-toggle:hover{background:rgba(56,189,248,.18)}

/* ===== BUTTONS ===== */
.btn-primary-glow{
  display:inline-flex;align-items:center;justify-content:center;gap:8px;
  padding:12px 24px;border-radius:999px;border:0;font-weight:700;font-size:.94rem;color:#03121f;
  background:linear-gradient(135deg,#7DD3FC,#38BDF8 40%,#2563EB);
  box-shadow:0 0 0 1px rgba(125,211,252,.55),0 12px 32px rgba(37,99,235,.45);
}
.btn-primary-glow:hover{color:#03121f;transform:translateY(-2px);box-shadow:0 0 0 1px rgba(125,211,252,.9),0 18px 40px rgba(56,189,248,.55)}
.btn-primary-glow:active{transform:translateY(0) scale(.98)}
.btn-outline{
  display:inline-flex;align-items:center;justify-content:center;gap:8px;
  padding:11px 22px;border-radius:999px;font-weight:600;font-size:.92rem;color:#E2E8F0;
  border:1px solid var(--line-strong);background:rgba(56,189,248,.06);
}
.btn-outline:hover{color:#fff;border-color:var(--cyan);background:rgba(56,189,248,.14);box-shadow:var(--glow)}
.btn-sm{padding:8px 16px;font-size:.85rem}

/* ===== SECTIONS ===== */
.section{padding:clamp(46px,6.5vw,88px) 0;position:relative}
.section--alt{background:linear-gradient(180deg,rgba(8,18,41,.85),rgba(3,7,18,.6));border-top:1px solid var(--line);border-bottom:1px solid var(--line)}
.section-head{max-width:780px;margin-bottom:clamp(24px,3.5vw,42px)}
.section-head.center{margin-left:auto;margin-right:auto;text-align:center}
.section-head p{margin-bottom:0;font-size:1rem;color:var(--muted)}
.eyebrow{
  display:inline-flex;align-items:center;gap:8px;margin-bottom:14px;padding:6px 14px;border-radius:999px;
  font-size:.72rem;font-weight:700;letter-spacing:.12em;text-transform:uppercase;color:var(--holo);
  border:1px solid var(--line-strong);background:rgba(56,189,248,.07);
}
.eyebrow i{font-size:.7rem;color:var(--cyan)}
.divider{height:1px;background:linear-gradient(90deg,transparent,var(--line-strong),transparent);margin:0}

/* ===== ARTICLE HERO ===== */
.article-hero{position:relative;overflow:hidden;padding:clamp(30px,4.5vw,58px) 0 clamp(34px,5vw,58px)}
.article-hero-bg{position:absolute;inset:0;background-image:url('/assets/images/8e93b9016d4c2aff.jpg');background-size:cover;background-position:center;opacity:.26}
.article-hero-veil{position:absolute;inset:0;background:
  radial-gradient(820px 420px at 10% 0%,rgba(37,99,235,.34),transparent 62%),
  linear-gradient(120deg,rgba(3,7,18,.97) 0%,rgba(3,7,18,.86) 45%,rgba(8,18,41,.95) 100%)}
.article-hero .container{position:relative;z-index:2}
.crumb{display:flex;flex-wrap:wrap;align-items:center;gap:8px;list-style:none;font-size:.82rem;color:var(--dim);margin-bottom:18px}
.crumb li{display:flex;align-items:center;gap:8px}
.crumb a{color:var(--muted)}
.crumb a:hover{color:var(--cyan)}
.crumb .sep{color:var(--dim);font-size:.65rem}
.crumb .current{color:var(--holo);max-width:520px;overflow:hidden;text-overflow:ellipsis;white-space:nowrap}
.article-hero h1{max-width:960px;text-shadow:0 6px 30px rgba(2,7,22,.7)}
.article-meta{display:flex;flex-wrap:wrap;gap:10px 20px;margin-top:18px;font-size:.85rem;color:var(--muted)}
.article-meta span{display:inline-flex;align-items:center;gap:8px}
.article-meta i{color:var(--cyan);font-size:.82rem}
.tag-live{
  display:inline-flex;align-items:center;gap:8px;padding:5px 13px;border-radius:999px;font-size:.74rem;font-weight:700;
  letter-spacing:.08em;text-transform:uppercase;color:#FECDD3;border:1px solid rgba(244,63,94,.5);background:rgba(244,63,94,.12);
}
.tag-live i{font-size:.5rem;color:#FB7185;animation:pulseDot 1.4s infinite}
@keyframes pulseDot{0%,100%{opacity:1;transform:scale(1)}50%{opacity:.35;transform:scale(.78)}}

/* ===== ARTICLE LAYOUT ===== */
.article-main{padding-top:clamp(34px,4.5vw,56px)}
.article-shell{max-width:920px;margin:0 auto}
.article-cover{
  position:relative;margin:0 0 clamp(24px,3vw,34px);border-radius:var(--radius-xl);overflow:hidden;
  border:1px solid var(--line);box-shadow:var(--shadow);
}
.article-cover img{width:100%;aspect-ratio:16/9;object-fit:cover}
.article-cover figcaption{
  position:absolute;left:0;right:0;bottom:0;padding:26px 20px 16px;font-size:.82rem;color:#E2E8F0;
  background:linear-gradient(180deg,transparent,rgba(3,7,18,.92));
}
.article-body{font-size:1.02rem;line-height:1.75;color:#CBD5E1}
.article-body > *:first-child{margin-top:0}
.article-body h2{
  margin:38px 0 14px;padding-left:16px;border-left:3px solid var(--cyan);
  font-size:clamp(1.2rem,2.1vw,1.6rem);color:#fff;
}
.article-body h3{margin:28px 0 10px;font-size:clamp(1.05rem,1.6vw,1.2rem);color:#fff}
.article-body h4{margin:22px 0 8px;font-size:1rem;color:var(--holo)}
.article-body p{margin:0 0 16px}
.article-body a{color:var(--cyan);text-decoration:underline;text-underline-offset:3px}
.article-body a:hover{color:#fff}
.article-body strong{color:#fff;font-weight:700}
.article-body ul,.article-body ol{margin:0 0 18px;padding-left:22px}
.article-body li{margin-bottom:9px}
.article-body ul li::marker{color:var(--cyan)}
.article-body ol li::marker{color:var(--cyan);font-weight:700}
.article-body img{border-radius:var(--radius-lg);border:1px solid var(--line);margin:22px 0}
.article-body blockquote{
  margin:24px 0;padding:16px 20px;border-radius:var(--radius-md);border-left:3px solid var(--cyan);
  background:rgba(56,189,248,.07);color:#E2E8F0;
}
.article-body table{width:100%;border-collapse:collapse;margin:22px 0;font-size:.92rem;overflow:hidden;border-radius:var(--radius-md)}
.article-body th,.article-body td{padding:12px 14px;border:1px solid var(--line);text-align:left}
.article-body th{background:rgba(56,189,248,.10);color:#fff;font-weight:700}
.article-body tr:nth-child(even) td{background:rgba(8,18,41,.45)}
.article-body hr{border:0;height:1px;background:var(--line-strong);margin:30px 0}
.empty-state{
  padding:clamp(26px,4vw,44px);border-radius:var(--radius-lg);border:1px dashed var(--line-strong);
  background:var(--panel);text-align:left;
}
.empty-state h2{margin-bottom:10px;font-size:1.25rem}
.empty-state p{color:var(--muted)}

/* ===== QUICK FACTS ===== */
.facts-grid{display:grid;grid-template-columns:repeat(4,1fr);gap:16px}
.fact{
  padding:22px 20px;border-radius:var(--radius-lg);border:1px solid var(--line);
  background:linear-gradient(160deg,rgba(11,23,48,.9),rgba(8,18,41,.55));
}
.fact i{font-size:1.15rem;color:var(--cyan);margin-bottom:12px;display:block}
.fact b{display:block;font-size:1.35rem;font-weight:800;color:#fff;line-height:1.2}
.fact span{display:block;margin-top:6px;font-size:.85rem;color:var(--muted)}

/* ===== SCHEDULE ===== */
.schedule-list{display:grid;gap:12px}
.schedule-row{
  display:grid;grid-template-columns:150px 1fr auto;gap:16px;align-items:center;
  padding:16px 20px;border-radius:var(--radius-md);border:1px solid var(--line);background:var(--panel);
  transition:border-color .25s ease,transform .25s ease,box-shadow .25s ease;
}
.schedule-row:hover{border-color:var(--line-strong);transform:translateX(4px);box-shadow:var(--glow)}
.schedule-row .time{font-weight:700;color:var(--cyan);font-size:.95rem}
.schedule-row .name{font-weight:600;color:#fff;font-size:.98rem}
.schedule-row .name small{display:block;font-weight:500;color:var(--muted);font-size:.82rem;margin-top:3px}
.schedule-row .status{
  font-size:.74rem;font-weight:700;letter-spacing:.08em;text-transform:uppercase;padding:6px 12px;border-radius:999px;
  border:1px solid var(--line-strong);color:var(--holo);background:rgba(56,189,248,.08);white-space:nowrap;
}

/* ===== FEATURES ===== */
.feature-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:20px}
.feature{padding:24px 22px;border-radius:var(--radius-lg);border:1px solid var(--line);background:var(--panel)}
.feature i{font-size:1.2rem;color:var(--cyan);margin-bottom:14px;display:block}
.feature h3{font-size:1.05rem;margin-bottom:8px}
.feature p{margin:0;font-size:.92rem;color:var(--muted)}

/* ===== PLANS ===== */
.plans{display:grid;grid-template-columns:repeat(3,1fr);gap:20px;align-items:stretch}
.plan{
  display:flex;flex-direction:column;padding:26px 24px;border-radius:var(--radius-xl);
  border:1px solid var(--line);background:var(--panel);
}
.plan--hot{
  border-color:var(--line-strong);
  background:linear-gradient(165deg,rgba(37,99,235,.30),rgba(11,23,48,.92));
  box-shadow:0 0 32px rgba(56,189,248,.24);
}
.plan .plan-tag{font-size:.72rem;font-weight:700;letter-spacing:.1em;text-transform:uppercase;color:var(--holo);margin-bottom:12px}
.plan h3{font-size:1.15rem;margin-bottom:6px}
.plan .price{font-size:1.7rem;font-weight:800;color:#fff;margin:6px 0 4px}
.plan .price small{font-size:.8rem;font-weight:600;color:var(--muted);display:block;margin-top:4px}
.plan ul{list-style:none;margin:18px 0 22px;display:grid;gap:10px}
.plan ul li{display:flex;gap:10px;font-size:.9rem;color:#CBD5E1}
.plan ul li i{color:var(--cyan);margin-top:4px;font-size:.8rem}
.plan .btn-primary-glow,.plan .btn-outline{margin-top:auto;width:100%}

/* ===== FAQ ===== */
.faq-list{display:grid;gap:12px;max-width:900px}
.faq-item{border:1px solid var(--line);border-radius:var(--radius-md);background:var(--panel);overflow:hidden}
.faq-item summary{
  list-style:none;cursor:pointer;padding:18px 22px;font-weight:700;color:#fff;font-size:.98rem;
  display:flex;align-items:center;justify-content:space-between;gap:14px;
}
.faq-item summary::-webkit-details-marker{display:none}
.faq-item summary i{color:var(--cyan);font-size:.85rem;transition:transform .25s ease}
.faq-item[open] summary i{transform:rotate(45deg)}
.faq-item summary:hover{background:rgba(56,189,248,.07)}
.faq-item .faq-answer{padding:0 22px 20px;color:var(--muted);font-size:.94rem;line-height:1.7}

/* ===== CTA BAND ===== */
.cta-band{
  position:relative;overflow:hidden;border-radius:var(--radius-xl);border:1px solid var(--line-strong);
  background:linear-gradient(140deg,rgba(37,99,235,.28),rgba(8,18,41,.92));
  padding:clamp(28px,4.5vw,52px);
  display:grid;grid-template-columns:1.35fr .65fr;gap:clamp(22px,3vw,40px);align-items:center;
  box-shadow:0 0 40px rgba(56,189,248,.20);
}
.cta-band h2{margin-bottom:12px}
.cta-band p{color:#CBD5E1;margin-bottom:22px;max-width:640px}
.cta-band .cta-actions{display:flex;flex-wrap:wrap;gap:12px}
.cta-side{display:grid;gap:12px}
.cta-side .mini{
  padding:14px 18px;border-radius:var(--radius-md);border:1px solid var(--line);background:rgba(3,7,18,.55);
  font-size:.88rem;color:#CBD5E1;display:flex;gap:10px;align-items:center;
}
.cta-side .mini i{color:var(--cyan)}

/* ===== FAB ===== */
.fab-neon{
  position:fixed;left:16px;bottom:96px;z-index:50;
  display:inline-flex;align-items:center;gap:10px;
  min-width:56px;height:56px;padding:0 18px;border-radius:999px;
  background:rgba(7,7,13,.82);
  backdrop-filter:blur(14px);-webkit-backdrop-filter:blur(14px);
  border:1px solid transparent;
  background-image:linear-gradient(rgba(7,7,13,.86),rgba(7,7,13,.86)),linear-gradient(120deg,#38BDF8,#2563EB);
  background-origin:border-box;background-clip:padding-box,border-box;
  color:#E2E8F0;font-size:.88rem;font-weight:700;
  box-shadow:0 0 22px rgba(56,189,248,.45);
  opacity:.82;
  animation:fabPulse 2.6s ease-in-out infinite;
}
.fab-neon i{font-size:1.05rem;color:var(--cyan)}
.fab-neon:hover{opacity:1;color:#fff;transform:translateY(-3px) scale(1.04);box-shadow:0 0 30px rgba(56,189,248,.7)}
.fab-neon:active{transform:scale(.96)}
.fab-neon .fab-dot{
  position:absolute;top:8px;right:10px;width:9px;height:9px;border-radius:50%;background:#F43F5E;
  box-shadow:0 0 10px rgba(244,63,94,.9);animation:pulseDot 1.3s infinite;
}
@keyframes fabPulse{0%,100%{box-shadow:0 0 18px rgba(56,189,248,.35)}50%{box-shadow:0 0 28px rgba(56,189,248,.65)}}

/* ===== FOOTER ===== */
.site-footer{
  margin-top:clamp(40px,6vw,80px);padding:clamp(44px,6vw,72px) 0 28px;
  background:linear-gradient(180deg,rgba(8,18,41,.92),rgba(3,7,18,.99));
  border-top:1px solid var(--line);
}
.footer-grid{display:grid;grid-template-columns:1.5fr 1fr 1fr 1.35fr;gap:clamp(22px,3vw,40px)}
.footer-brand p{color:var(--muted);font-size:.92rem;margin-top:14px;max-width:380px}
.footer-col h4{font-size:.8rem;letter-spacing:.1em;text-transform:uppercase;color:var(--holo);margin-bottom:14px;font-weight:700}
.footer-col ul{list-style:none;display:grid;gap:9px}
.footer-col a{color:var(--muted);font-size:.92rem}
.footer-col a:hover{color:var(--cyan)}
.footer-contact li{display:flex;gap:10px;color:var(--muted);font-size:.9rem;line-height:1.6}
.footer-contact i{color:var(--cyan);margin-top:5px;flex:0 0 auto}
.footer-bottom{
  display:flex;flex-wrap:wrap;gap:12px;justify-content:space-between;align-items:center;
  margin-top:34px;padding-top:20px;border-top:1px solid var(--line);font-size:.85rem;color:var(--dim);
}
.age-badge{
  display:inline-flex;align-items:center;gap:8px;padding:6px 14px;border-radius:999px;
  border:1px solid var(--line-strong);color:var(--muted);font-size:.78rem;background:rgba(56,189,248,.06);
}
.footer-legal{margin-top:18px;font-size:.78rem;color:var(--dim);line-height:1.6;max-width:920px}

/* ===== RESPONSIVE ===== */
@media (max-width:1024px){
  .main-nav{
    position:absolute;top:72px;left:0;right:0;flex-direction:column;align-items:stretch;gap:6px;
    padding:14px var(--pad) 18px;background:rgba(3,7,18,.97);border-bottom:1px solid var(--line-strong);
    display:none;
  }
  .main-nav.open{display:flex}
  .nav-link{padding:12px 14px;border-radius:12px}
  .nav-toggle{display:grid;place-items:center}
  .facts-grid{grid-template-columns:repeat(2,1fr)}
  .feature-grid{grid-template-columns:repeat(2,1fr)}
  .plans{grid-template-columns:1fr}
  .cta-band{grid-template-columns:1fr}
  .footer-grid{grid-template-columns:1fr 1fr}
}
@media (max-width:768px){
  .brand{max-width:200px}
  .brand-text{font-size:.86rem}
  .brand-text small{font-size:.62rem}
  .btn-ghost{padding:8px 10px;font-size:.82rem}
  .schedule-row{grid-template-columns:1fr;gap:8px}
  .schedule-row:hover{transform:none}
  .article-cover img{aspect-ratio:4/3}
}
@media (max-width:520px){
  .facts-grid{grid-template-columns:1fr}
  .feature-grid{grid-template-columns:1fr}
  .footer-grid{grid-template-columns:1fr}
  .nav-actions .btn-ghost{display:inline-flex}
  .fab-neon{padding:0 14px;height:52px;bottom:84px}
  .fab-neon span{display:none}
  .article-meta{font-size:.8rem}
  .crumb .current{max-width:220px}
}

/* roulang page: category1 */
:root{
  --bg:#030712;
  --bg-2:#081229;
  --panel:rgba(11,23,48,.72);
  --panel-solid:#0b1730;
  --line:rgba(56,189,248,.16);
  --line-strong:rgba(56,189,248,.40);
  --blue:#2563EB;
  --cyan:#38BDF8;
  --holo:#60A5FA;
  --text:#F8FAFC;
  --muted:#94A3B8;
  --dim:#64748B;
  --gold:#FACC15;
  --rose:#F43F5E;
  --radius-xl:24px;
  --radius-lg:18px;
  --radius-md:14px;
  --radius-sm:10px;
  --shadow:0 20px 50px rgba(2,7,22,.6);
  --glow:0 0 24px rgba(56,189,248,.32);
  --container:1200px;
  --pad:clamp(16px,4vw,24px);
}
*,*::before,*::after{box-sizing:border-box}
html{scroll-behavior:smooth;-webkit-text-size-adjust:100%}
body{
  margin:0;
  font-family:'Be Vietnam Pro',system-ui,-apple-system,"Segoe UI",Roboto,Arial,sans-serif;
  font-size:16px;
  line-height:1.65;
  color:var(--text);
  background:var(--bg);
  overflow-x:hidden;
  -webkit-font-smoothing:antialiased;
}
img{max-width:100%;height:auto;display:block}
a{color:inherit;text-decoration:none;transition:color .25s ease,background .25s ease,border-color .25s ease,transform .25s ease,box-shadow .25s ease}
a:hover{color:var(--cyan)}
button{font-family:inherit;cursor:pointer}
h1,h2,h3,h4{margin:0 0 .6em;font-weight:800;line-height:1.25;letter-spacing:-.02em;color:#fff}
h1{font-size:clamp(1.7rem,3.6vw,2.85rem)}
h2{font-size:clamp(1.35rem,2.5vw,2rem)}
h3{font-size:clamp(1.02rem,1.5vw,1.22rem)}
p{margin:0 0 1rem;color:#CBD5E1}
ul{margin:0;padding:0;list-style:none}
:focus-visible{outline:2px solid var(--cyan);outline-offset:3px;border-radius:6px}
.container{width:100%;max-width:var(--container);margin:0 auto;padding:0 var(--pad)}

/* ===== HEADER / NAV ===== */
.site-header{
  position:sticky;top:0;z-index:1040;
  background:rgba(3,7,18,.86);
  backdrop-filter:blur(16px);
  -webkit-backdrop-filter:blur(16px);
  border-bottom:1px solid var(--line);
}
.nav-wrap{display:flex;align-items:center;gap:14px;min-height:72px}
.brand{display:flex;align-items:center;gap:10px;margin-right:auto;font-weight:800;font-size:1rem;line-height:1.2;color:#fff;max-width:340px}
.brand:hover{color:#fff}
.brand-mark{
  flex:0 0 auto;width:40px;height:40px;border-radius:12px;display:grid;place-items:center;font-size:1.15rem;
  background:linear-gradient(140deg,var(--cyan),var(--blue));
  box-shadow:0 0 18px rgba(56,189,248,.45);
}
.brand-text{display:block;font-size:.94rem;letter-spacing:-.01em}
.brand-text small{display:block;font-size:.68rem;font-weight:600;color:var(--holo);letter-spacing:.06em;text-transform:uppercase}
.main-nav{display:flex;align-items:center;gap:4px}
.nav-link{
  padding:9px 15px;border-radius:999px;font-size:.92rem;font-weight:600;color:var(--muted);white-space:nowrap;
  border:1px solid transparent;
}
.nav-link:hover{color:#fff;background:rgba(56,189,248,.10);border-color:var(--line)}
.nav-link.active{
  color:#fff;border-color:var(--line-strong);
  background:linear-gradient(135deg,rgba(37,99,235,.42),rgba(56,189,248,.24));
  box-shadow:0 0 16px rgba(56,189,248,.22);
}
.nav-actions{display:flex;align-items:center;gap:8px}
.btn-ghost{
  padding:9px 14px;border-radius:999px;font-size:.88rem;font-weight:600;color:var(--muted);
  border:1px solid transparent;background:transparent;
}
.btn-ghost:hover{color:#fff;border-color:var(--line-strong);background:rgba(56,189,248,.08)}
.nav-toggle{
  display:none;width:42px;height:42px;border-radius:12px;border:1px solid var(--line-strong);
  background:rgba(56,189,248,.08);color:#fff;font-size:1rem;
}
.nav-toggle:hover{background:rgba(56,189,248,.18)}

/* ===== BUTTONS ===== */
.btn-primary-glow{
  display:inline-flex;align-items:center;justify-content:center;gap:8px;
  padding:12px 24px;border-radius:999px;border:0;font-weight:700;font-size:.94rem;color:#03121f;
  background:linear-gradient(135deg,#7DD3FC,#38BDF8 40%,#2563EB);
  box-shadow:0 0 0 1px rgba(125,211,252,.55),0 12px 32px rgba(37,99,235,.45);
}
.btn-primary-glow:hover{color:#03121f;transform:translateY(-2px);box-shadow:0 0 0 1px rgba(125,211,252,.9),0 18px 40px rgba(56,189,248,.55)}
.btn-primary-glow:active{transform:translateY(0) scale(.98)}
.btn-outline{
  display:inline-flex;align-items:center;justify-content:center;gap:8px;
  padding:11px 22px;border-radius:999px;font-weight:600;font-size:.92rem;color:#E2E8F0;
  border:1px solid var(--line-strong);background:rgba(56,189,248,.06);
}
.btn-outline:hover{color:#fff;border-color:var(--cyan);background:rgba(56,189,248,.14);box-shadow:var(--glow)}
.btn-sm{padding:8px 16px;font-size:.85rem}

/* ===== SECTION SHELL ===== */
.section{padding:clamp(46px,6.5vw,92px) 0;position:relative}
.section--alt{background:linear-gradient(180deg,rgba(8,18,41,.85),rgba(3,7,18,.6));border-top:1px solid var(--line);border-bottom:1px solid var(--line)}
.section-head{max-width:800px;margin-bottom:clamp(24px,3.6vw,44px)}
.section-head p{margin-bottom:0;font-size:1rem}
.eyebrow{
  display:inline-flex;align-items:center;gap:8px;margin-bottom:14px;padding:6px 14px;border-radius:999px;
  font-size:.72rem;font-weight:700;letter-spacing:.12em;text-transform:uppercase;color:var(--holo);
  border:1px solid var(--line-strong);background:rgba(56,189,248,.07);
}
.eyebrow i{font-size:.7rem;color:var(--cyan)}

/* ===== HERO ===== */
.hero{position:relative;overflow:hidden;padding:clamp(34px,5vw,70px) 0 clamp(52px,7vw,92px)}
.hero-bg{position:absolute;inset:0;background-image:url('/assets/images/8e93b9016d4c2aff.jpg');background-size:cover;background-position:center;opacity:.32}
.hero-overlay{position:absolute;inset:0;background:
  radial-gradient(900px 480px at 12% 10%,rgba(37,99,235,.34),transparent 60%),
  linear-gradient(120deg,rgba(3,7,18,.97) 0%,rgba(3,7,18,.84) 42%,rgba(8,18,41,.94) 100%)}
.hero-inner{position:relative;z-index:2;display:grid;grid-template-columns:1.06fr .94fr;gap:clamp(26px,4vw,54px);align-items:center}
.badge-live{
  display:inline-flex;align-items:center;gap:9px;padding:7px 16px;border-radius:999px;margin-bottom:18px;
  font-size:.76rem;font-weight:700;letter-spacing:.08em;text-transform:uppercase;color:#FECDD3;
  border:1px solid rgba(244,63,94,.5);background:rgba(244,63,94,.12);
}
.badge-live i{font-size:.55rem;color:#FB7185;animation:pulseDot 1.4s infinite}
.hero h1{margin-bottom:18px;text-shadow:0 6px 30px rgba(2,7,22,.7)}
.hero-lead{font-size:clamp(.98rem,1.4vw,1.08rem);line-height:1.7;color:#CBD5E1;max-width:620px}
.hero-cta{display:flex;flex-wrap:wrap;gap:12px;margin:24px 0 22px}
.hero-points{display:flex;flex-wrap:wrap;gap:10px 22px}
.hero-points li{display:flex;align-items:center;gap:9px;font-size:.88rem;color:#CBD5E1;font-weight:500}
.hero-points i{color:var(--cyan);font-size:.85rem}

.plan-panel{
  position:relative;background:var(--panel);backdrop-filter:blur(14px);-webkit-backdrop-filter:blur(14px);
  border:1px solid var(--line);border-radius:var(--radius-xl);padding:clamp(18px,2.4vw,24px);box-shadow:var(--shadow);
}
.plan-panel > h2{font-size:1.05rem;margin-bottom:6px}
.plan-sub{font-size:.84rem;color:var(--muted);margin-bottom:16px}
.plan-list{display:grid;gap:12px}
.plan-card{border:1px solid var(--line);border-radius:var(--radius-md);padding:14px 16px;background:rgba(3,7,18,.55)}
.plan-top{display:flex;align-items:center;justify-content:space-between;gap:12px}
.plan-name{font-size:.96rem;font-weight:700;color:#fff}
.plan-price{font-size:.92rem;font-weight:800;color:var(--holo);white-space:nowrap}
.plan-card ul{display:grid;gap:7px;margin-top:10px}
.plan-card li{display:flex;gap:9px;align-items:flex-start;font-size:.84rem;color:var(--muted)}
.plan-card li i{color:var(--cyan);font-size:.7rem;margin-top:5px}
.plan-card--featured{
  border-color:var(--line-strong);
  background:linear-gradient(150deg,rgba(37,99,235,.34),rgba(56,189,248,.10));
  box-shadow:0 0 0 1px rgba(56,189,248,.35),0 0 30px rgba(56,189,248,.25);
}
.plan-card--featured .plan-price{color:#fff}
.plan-tag{
  display:inline-block;margin-bottom:8px;padding:3px 10px;border-radius:999px;font-size:.62rem;font-weight:800;
  letter-spacing:.14em;text-transform:uppercase;color:#03121f;background:linear-gradient(135deg,#7DD3FC,#38BDF8);
}
.plan-cta{margin-top:14px;width:100%}

/* ===== PAIN ===== */
.pain-grid{display:grid;grid-template-columns:repeat(2,1fr);gap:16px}
.pain-item{
  display:flex;gap:14px;align-items:flex-start;padding:20px;border-radius:var(--radius-lg);
  border:1px solid var(--line);background:rgba(11,23,48,.5);transition:border-color .25s ease,transform .25s ease;
}
.pain-item:hover{border-color:var(--line-strong);transform:translateY(-3px)}
.pain-item i{font-size:1.05rem;color:var(--rose);margin-top:4px}
.pain-item h3{font-size:1rem;margin-bottom:4px}
.pain-item p{margin:0;font-size:.88rem;color:var(--muted)}

/* ===== SPLIT ===== */
.split{display:grid;grid-template-columns:1.02fr .98fr;gap:clamp(24px,4vw,52px);align-items:center}
.split-media{position:relative;border-radius:var(--radius-xl);overflow:hidden;border:1px solid var(--line-strong);box-shadow:var(--shadow)}
.split-media img{width:100%;height:100%;object-fit:cover;min-height:300px}
.split-media::after{content:"";position:absolute;inset:0;background:linear-gradient(180deg,transparent 42%,rgba(3,7,18,.78))}
.media-badge{
  position:absolute;left:16px;bottom:16px;z-index:2;display:inline-flex;align-items:center;gap:9px;
  padding:8px 14px;border-radius:999px;font-size:.78rem;font-weight:700;color:#fff;
  background:rgba(3,7,18,.72);border:1px solid var(--line-strong);backdrop-filter:blur(8px);
}
.media-badge i{color:var(--cyan)}
.check-list{display:grid;gap:16px;margin-top:22px}
.check-list li{display:flex;gap:13px;align-items:flex-start}
.check-list i{
  flex:0 0 auto;width:26px;height:26px;border-radius:8px;display:grid;place-items:center;font-size:.7rem;
  color:#03121f;background:linear-gradient(140deg,#7DD3FC,#2563EB);margin-top:2px;
}
.check-list strong{display:block;font-size:.96rem;color:#fff;font-weight:700}
.check-list span{font-size:.88rem;color:var(--muted)}

/* ===== STEPS ===== */
.steps{display:grid;grid-template-columns:repeat(4,1fr);gap:16px}
.step{
  position:relative;padding:24px 18px 20px;border-radius:var(--radius-lg);
  border:1px solid var(--line);background:var(--panel);transition:border-color .25s ease,box-shadow .25s ease;
}
.step:hover{border-color:var(--line-strong);box-shadow:var(--glow)}
.step-num{
  display:grid;place-items:center;width:38px;height:38px;border-radius:12px;margin-bottom:14px;
  font-weight:800;font-size:.92rem;color:#03121f;background:linear-gradient(140deg,#7DD3FC,#2563EB);
  box-shadow:0 8px 22px rgba(37,99,235,.4);
}
.step time{display:block;font-size:.74rem;font-weight:700;letter-spacing:.1em;text-transform:uppercase;color:var(--holo);margin-bottom:6px}
.step h3{font-size:1rem;margin-bottom:6px}
.step p{margin:0;font-size:.87rem;color:var(--muted)}

/* ===== STATS & SPEC ===== */
.stat-row{display:grid;grid-template-columns:repeat(4,1fr);gap:14px;margin-bottom:26px}
.stat{
  padding:20px;border-radius:var(--radius-lg);border:1px solid var(--line);
  background:linear-gradient(160deg,rgba(37,99,235,.20),rgba(3,7,18,.5));
}
.stat b{display:block;font-size:clamp(1.3rem,2.4vw,1.75rem);font-weight:800;color:#fff;line-height:1.2}
.stat span{font-size:.82rem;color:var(--muted)}
.spec-wrap{display:grid;grid-template-columns:1.12fr .88fr;gap:clamp(22px,3.4vw,40px);align-items:center}
.spec-list{border:1px solid var(--line);border-radius:var(--radius-lg);overflow:hidden;background:rgba(3,7,18,.45)}
.spec-row{display:flex;justify-content:space-between;gap:18px;padding:14px 20px;border-bottom:1px solid var(--line);font-size:.9rem}
.spec-row:last-child{border-bottom:0}
.spec-row span:first-child{color:var(--muted)}
.spec-row span:last-child{font-weight:600;color:#fff;text-align:right}
.spec-media{border-radius:var(--radius-xl);overflow:hidden;border:1px solid var(--line-strong);box-shadow:var(--shadow)}
.spec-media img{width:100%;object-fit:cover;min-height:260px}

/* ===== QUOTES ===== */
.quote-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:18px}
.quote{
  display:flex;flex-direction:column;gap:14px;padding:24px;border-radius:var(--radius-lg);
  border:1px solid var(--line);background:var(--panel);
}
.quote .stars{color:var(--gold);font-size:.78rem;letter-spacing:.14em}
.quote p{margin:0;font-size:.92rem;color:#E2E8F0}
.quote-who{display:flex;align-items:center;gap:12px;border-top:1px solid var(--line);padding-top:14px;margin-top:auto}
.avatar{
  width:42px;height:42px;flex:0 0 auto;border-radius:50%;display:grid;place-items:center;
  font-weight:800;font-size:.85rem;color:#03121f;background:linear-gradient(140deg,#7DD3FC,#2563EB);
}
.quote-who strong{display:block;font-size:.9rem;color:#fff}
.quote-who span{font-size:.78rem;color:var(--muted)}

/* ===== AUDIENCE ===== */
.audience-grid{display:grid;grid-template-columns:repeat(4,1fr);gap:16px}
.audience{
  padding:24px 18px;border-radius:var(--radius-lg);border:1px solid var(--line);
  background:rgba(11,23,48,.5);transition:transform .25s ease,border-color .25s ease;
}
.audience:hover{transform:translateY(-4px);border-color:var(--line-strong)}
.audience i{display:block;font-size:1.25rem;color:var(--cyan);margin-bottom:12px}
.audience h3{font-size:.98rem;margin-bottom:6px}
.audience p{margin:0;font-size:.86rem;color:var(--muted)}

/* ===== CHANNELS ===== */
.channel-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:18px}
.channel-card{
  display:block;padding:26px 22px;border-radius:var(--radius-xl);border:1px solid var(--line);
  background:var(--panel);transition:transform .25s ease,border-color .25s ease,box-shadow .25s ease;
}
.channel-card:hover{transform:translateY(-5px);border-color:var(--line-strong);box-shadow:var(--glow);color:inherit}
.channel-card.is-current{border-color:var(--line-strong);background:linear-gradient(150deg,rgba(37,99,235,.30),rgba(3,7,18,.6))}
.channel-top{display:flex;align-items:center;justify-content:space-between;gap:12px;margin-bottom:12px}
.channel-code{font-size:1.15rem;font-weight:800;color:#fff}
.channel-state{font-size:.68rem;font-weight:700;letter-spacing:.1em;text-transform:uppercase;padding:4px 10px;border-radius:999px}
.channel-state.live{color:#FECDD3;background:rgba(244,63,94,.14);border:1px solid rgba(244,63,94,.45)}
.channel-state.up{color:var(--holo);background:rgba(56,189,248,.10);border:1px solid var(--line-strong)}
.channel-card p{font-size:.87rem;color:var(--muted);margin-bottom:14px}
.channel-meta{display:flex;flex-wrap:wrap;gap:8px 16px;font-size:.8rem;color:#CBD5E1}
.channel-meta i{color:var(--cyan);margin-right:6px}
.channel-more{display:inline-flex;align-items:center;gap:8px;margin-top:16px;font-size:.85rem;font-weight:700;color:var(--cyan)}

/* ===== FAQ ===== */
.faq-list{display:grid;gap:12px;max-width:920px}
.faq-item{border:1px solid var(--line);border-radius:var(--radius-md);background:rgba(11,23,48,.55);overflow:hidden}
.faq-item[open]{border-color:var(--line-strong)}
.faq-item summary{
  list-style:none;cursor:pointer;padding:16px 20px;font-weight:600;font-size:.95rem;color:#fff;
  display:flex;align-items:center;justify-content:space-between;gap:14px;
}
.faq-item summary::-webkit-details-marker{display:none}
.faq-item summary::after{content:"\f078";font-family:"Font Awesome 6 Free";font-weight:900;font-size:.75rem;color:var(--cyan);transition:transform .3s ease}
.faq-item[open] summary::after{transform:rotate(180deg)}
.faq-body{padding:0 20px 18px;font-size:.89rem;color:var(--muted)}

/* ===== FINAL CTA ===== */
.cta-band{
  position:relative;overflow:hidden;border-radius:var(--radius-xl);border:1px solid var(--line-strong);
  padding:clamp(30px,4.4vw,56px);text-align:center;
  background:radial-gradient(700px 320px at 50% 0%,rgba(56,189,248,.28),transparent 65%),linear-gradient(140deg,rgba(37,99,235,.38),rgba(3,7,18,.92));
  box-shadow:var(--shadow);
}
.cta-band h2{margin-bottom:12px}
.cta-band p{max-width:660px;margin:0 auto 22px;color:#CBD5E1}
.cta-actions{display:flex;flex-wrap:wrap;gap:12px;justify-content:center}
.cta-note{margin-top:18px;font-size:.82rem;color:var(--muted)}

/* ===== FAB ===== */
.fab-support{
  position:fixed;left:16px;bottom:96px;z-index:50;
  display:inline-flex;align-items:center;justify-content:center;gap:8px;
  width:56px;height:56px;border-radius:999px;color:#E2E8F0;
  background:linear-gradient(rgba(7,7,13,.86),rgba(7,7,13,.86)) padding-box,
             linear-gradient(135deg,var(--cyan),var(--blue)) border-box;
  border:1px solid transparent;
  backdrop-filter:blur(12px);-webkit-backdrop-filter:blur(12px);
  box-shadow:0 0 20px rgba(6,182,212,.45);
  opacity:.78;transition:transform .25s ease,opacity .25s ease,box-shadow .25s ease;
  animation:fabFloat 4s ease-in-out infinite;
}
.fab-support i{font-size:1.1rem;color:var(--cyan)}
.fab-support:hover{opacity:1;transform:scale(1.08);box-shadow:0 0 30px rgba(6,182,212,.7);color:#fff}
.fab-support:active{transform:scale(.94)}
.fab-dot{
  position:absolute;top:6px;right:6px;width:10px;height:10px;border-radius:50%;
  background:#22D3EE;box-shadow:0 0 10px rgba(34,211,238,.9);animation:pulseDot 1.4s infinite;
}

/* ===== FOOTER ===== */
.site-footer{background:linear-gradient(180deg,rgba(8,18,41,.9),rgba(3,7,18,1));border-top:1px solid var(--line);padding:clamp(40px,5vw,68px) 0 26px}
.footer-grid{display:grid;grid-template-columns:1.5fr 1fr 1fr 1.3fr;gap:clamp(20px,3vw,40px)}
.footer-brand p{margin-top:16px;font-size:.87rem;color:var(--muted);max-width:340px}
.footer-col h4{font-size:.82rem;letter-spacing:.12em;text-transform:uppercase;color:var(--holo);margin-bottom:16px}
.footer-col ul{display:grid;gap:10px}
.footer-col a{font-size:.89rem;color:var(--muted)}
.footer-col a:hover{color:var(--cyan)}
.footer-contact li{display:flex;gap:10px;align-items:flex-start;font-size:.86rem;color:var(--muted)}
.footer-contact i{color:var(--cyan);margin-top:4px}
.footer-bottom{
  display:flex;flex-wrap:wrap;align-items:center;justify-content:space-between;gap:12px;
  margin-top:clamp(28px,4vw,44px);padding-top:20px;border-top:1px solid var(--line);
}
.footer-bottom p{margin:0;font-size:.83rem;color:var(--dim)}
.age-badge{
  display:inline-flex;align-items:center;gap:8px;padding:6px 14px;border-radius:999px;font-size:.78rem;font-weight:700;
  color:#FDE68A;border:1px solid rgba(250,204,21,.35);background:rgba(250,204,21,.08);
}
.footer-legal{margin:18px 0 0;font-size:.78rem;color:var(--dim);max-width:1000px}

/* ===== ANIMATIONS ===== */
@keyframes pulseDot{0%,100%{opacity:1;transform:scale(1)}50%{opacity:.45;transform:scale(.82)}}
@keyframes fabFloat{0%,100%{transform:translateY(0)}50%{transform:translateY(-5px)}}

/* ===== RESPONSIVE ===== */
@media (max-width:1024px){
  .main-nav{
    position:absolute;top:100%;left:0;right:0;display:none;flex-direction:column;align-items:stretch;gap:6px;
    padding:14px var(--pad) 20px;background:rgba(3,7,18,.98);border-bottom:1px solid var(--line);
    box-shadow:0 24px 40px rgba(2,7,22,.6);
  }
  .main-nav.open{display:flex}
  .nav-link{padding:12px 14px;border-radius:12px}
  .nav-toggle{display:inline-flex;align-items:center;justify-content:center}
  .brand{max-width:270px}
  .hero-inner{grid-template-columns:1fr;gap:32px}
  .split{grid-template-columns:1fr}
  .split-media img{min-height:260px}
  .steps{grid-template-columns:repeat(2,1fr)}
  .audience-grid{grid-template-columns:repeat(2,1fr)}
  .stat-row{grid-template-columns:repeat(2,1fr)}
  .spec-wrap{grid-template-columns:1fr}
  .quote-grid{grid-template-columns:1fr}
  .channel-grid{grid-template-columns:1fr}
  .footer-grid{grid-template-columns:1fr 1fr}
}
@media (max-width:768px){
  body{font-size:15.5px}
  .brand{max-width:200px}
  .brand-text{font-size:.85rem}
  .brand-text small{font-size:.62rem}
  .btn-ghost{display:none}
  .pain-grid{grid-template-columns:1fr}
  .hero-points{gap:8px 16px}
  .hero-points li{font-size:.83rem}
  .cta-actions .btn-primary-glow,.cta-actions .btn-outline{width:100%}
  .spec-row{flex-direction:column;gap:4px}
  .spec-row span:last-child{text-align:left}
}
@media (max-width:520px){
  .steps{grid-template-columns:1fr}
  .audience-grid{grid-template-columns:1fr}
  .stat-row{grid-template-columns:1fr}
  .footer-grid{grid-template-columns:1fr}
  .footer-bottom{flex-direction:column;align-items:flex-start}
  .fab-support{left:12px;bottom:84px;width:52px;height:52px}
  .hero-cta .btn-primary-glow,.hero-cta .btn-outline{width:100%}
}

/* roulang page: category2 */
:root{
  --bg:#030712;
  --bg-2:#081229;
  --panel:rgba(11,23,48,.72);
  --panel-solid:#0b1730;
  --line:rgba(56,189,248,.16);
  --line-strong:rgba(56,189,248,.40);
  --blue:#2563EB;
  --cyan:#38BDF8;
  --holo:#60A5FA;
  --text:#F8FAFC;
  --muted:#94A3B8;
  --dim:#64748B;
  --gold:#FACC15;
  --rose:#F43F5E;
  --radius-xl:24px;
  --radius-lg:18px;
  --radius-md:14px;
  --radius-sm:10px;
  --shadow:0 20px 50px rgba(2,7,22,.6);
  --glow:0 0 24px rgba(56,189,248,.32);
  --container:1200px;
  --pad:clamp(16px,4vw,24px);
}
*{box-sizing:border-box}
html{scroll-behavior:smooth;-webkit-text-size-adjust:100%}
body{
  margin:0;
  font-family:'Be Vietnam Pro',system-ui,-apple-system,"Segoe UI",Roboto,Arial,sans-serif;
  font-size:16px;
  line-height:1.65;
  color:var(--text);
  background:var(--bg);
  overflow-x:hidden;
  -webkit-font-smoothing:antialiased;
}
img{max-width:100%;height:auto;display:block}
a{color:inherit;text-decoration:none;transition:color .25s ease,background .25s ease,border-color .25s ease,transform .25s ease,box-shadow .25s ease}
a:hover{color:var(--cyan)}
a:focus-visible,button:focus-visible{outline:2px solid var(--cyan);outline-offset:3px;border-radius:8px}
button{font-family:inherit;cursor:pointer}
h1,h2,h3,h4{margin:0 0 .6em;line-height:1.24;font-weight:800;letter-spacing:-.01em;color:#fff}
h1{font-size:clamp(1.45rem,3vw,2.3rem)}
h2{font-size:clamp(1.28rem,2.3vw,1.85rem)}
h3{font-size:1.05rem;font-weight:700}
h4{font-size:.98rem;font-weight:700}
p{margin:0 0 1em;color:var(--muted)}
p:last-child{margin-bottom:0}
ul{margin:0;padding:0;list-style:none}
.container{width:100%;max-width:var(--container);margin:0 auto;padding:0 var(--pad)}
.divider{height:1px;background:linear-gradient(90deg,transparent,var(--line-strong),transparent);border:0;margin:0}

/* ===== HEADER / NAV ===== */
.site-header{
  position:sticky;top:0;z-index:1040;
  background:rgba(3,7,18,.86);
  backdrop-filter:blur(16px);
  -webkit-backdrop-filter:blur(16px);
  border-bottom:1px solid var(--line);
}
.nav-wrap{display:flex;align-items:center;gap:14px;min-height:72px}
.brand{display:flex;align-items:center;gap:10px;margin-right:auto;font-weight:800;font-size:1rem;line-height:1.2;color:#fff;max-width:340px}
.brand:hover{color:#fff}
.brand-mark{
  flex:0 0 auto;width:40px;height:40px;border-radius:12px;display:grid;place-items:center;font-size:1.15rem;
  background:linear-gradient(140deg,var(--cyan),var(--blue));
  box-shadow:0 0 18px rgba(56,189,248,.45);
}
.brand-text{display:block;font-size:.94rem;letter-spacing:-.01em}
.brand-text small{display:block;font-size:.68rem;font-weight:600;color:var(--holo);letter-spacing:.06em;text-transform:uppercase}
.main-nav{display:flex;align-items:center;gap:4px}
.nav-link{
  padding:9px 15px;border-radius:999px;font-size:.92rem;font-weight:600;color:var(--muted);white-space:nowrap;
  border:1px solid transparent;
}
.nav-link:hover{color:#fff;background:rgba(56,189,248,.10);border-color:var(--line)}
.nav-link.active{
  color:#fff;border-color:var(--line-strong);
  background:linear-gradient(135deg,rgba(37,99,235,.42),rgba(56,189,248,.24));
  box-shadow:0 0 16px rgba(56,189,248,.22);
}
.nav-actions{display:flex;align-items:center;gap:8px}
.btn-ghost{
  padding:9px 14px;border-radius:999px;font-size:.88rem;font-weight:600;color:var(--muted);
  border:1px solid transparent;background:transparent;
}
.btn-ghost:hover{color:#fff;border-color:var(--line-strong);background:rgba(56,189,248,.08)}
.nav-toggle{
  display:none;width:42px;height:42px;border-radius:12px;border:1px solid var(--line-strong);
  background:rgba(56,189,248,.08);color:#fff;font-size:1rem;
}
.nav-toggle:hover{background:rgba(56,189,248,.18)}

/* ===== BUTTONS ===== */
.btn-primary-glow{
  display:inline-flex;align-items:center;justify-content:center;gap:8px;
  padding:12px 24px;border-radius:999px;border:0;font-weight:700;font-size:.94rem;color:#03121f;
  background:linear-gradient(135deg,#7DD3FC,#38BDF8 40%,#2563EB);
  box-shadow:0 0 0 1px rgba(125,211,252,.55),0 12px 32px rgba(37,99,235,.45);
}
.btn-primary-glow:hover{color:#03121f;transform:translateY(-2px);box-shadow:0 0 0 1px rgba(125,211,252,.9),0 18px 40px rgba(56,189,248,.55)}
.btn-primary-glow:active{transform:translateY(0) scale(.98)}
.btn-outline{
  display:inline-flex;align-items:center;justify-content:center;gap:8px;
  padding:11px 22px;border-radius:999px;font-weight:600;font-size:.92rem;color:#E2E8F0;
  border:1px solid var(--line-strong);background:rgba(56,189,248,.06);
}
.btn-outline:hover{color:#fff;border-color:var(--cyan);background:rgba(56,189,248,.14);box-shadow:var(--glow)}
.btn-sm{padding:8px 16px;font-size:.85rem}

/* ===== SECTIONS ===== */
.section{padding:clamp(48px,7vw,92px) 0;position:relative}
.section--alt{
  background:linear-gradient(180deg,rgba(8,18,41,.85),rgba(3,7,18,.55));
  border-top:1px solid var(--line);border-bottom:1px solid var(--line);
}
.section-head{max-width:800px;margin-bottom:clamp(26px,4vw,44px)}
.section-head.center{margin-left:auto;margin-right:auto;text-align:center}
.section-head p{font-size:1rem}
.eyebrow{
  display:inline-flex;align-items:center;gap:8px;margin-bottom:14px;padding:6px 14px;border-radius:999px;
  font-size:.72rem;font-weight:700;letter-spacing:.12em;text-transform:uppercase;color:var(--holo);
  border:1px solid var(--line-strong);background:rgba(56,189,248,.07);
}
.eyebrow i{font-size:.72rem;color:var(--cyan)}

/* ===== HERO ===== */
.hero{position:relative;overflow:hidden;padding:clamp(36px,5vw,70px) 0 clamp(52px,7vw,92px)}
.hero-bg{position:absolute;inset:0;background-image:url('/assets/images/8e93b9016d4c2aff.jpg');background-size:cover;background-position:center;opacity:.30}
.hero-overlay{position:absolute;inset:0;background:
  radial-gradient(900px 480px at 12% 8%,rgba(37,99,235,.34),transparent 62%),
  linear-gradient(120deg,rgba(3,7,18,.97) 0%,rgba(3,7,18,.84) 44%,rgba(8,18,41,.95) 100%)}
.hero-inner{position:relative;z-index:2;display:grid;grid-template-columns:1.05fr .95fr;gap:clamp(26px,4vw,56px);align-items:start}
.badge-live{
  display:inline-flex;align-items:center;gap:9px;padding:7px 16px;border-radius:999px;margin-bottom:18px;
  font-size:.74rem;font-weight:700;letter-spacing:.08em;text-transform:uppercase;color:#FECDD3;
  border:1px solid rgba(244,63,94,.5);background:rgba(244,63,94,.12);
}
.badge-live i{font-size:.55rem;color:#FB7185;animation:pulseDot 1.4s infinite}
@keyframes pulseDot{0%,100%{opacity:1;transform:scale(1)}50%{opacity:.35;transform:scale(.8)}}
.hero h1{margin-bottom:16px;text-shadow:0 6px 30px rgba(2,7,22,.7)}
.hero-lead{font-size:clamp(.96rem,1.4vw,1.06rem);line-height:1.7;color:#CBD5E1;max-width:640px}
.hero-cta{display:flex;flex-wrap:wrap;gap:12px;margin:26px 0 0}
.hero-note{margin-top:20px;font-size:.86rem;color:var(--dim)}
.hero-side{display:grid;gap:16px}
.status-panel{
  background:var(--panel);border:1px solid var(--line);border-radius:var(--radius-xl);
  padding:20px 22px;backdrop-filter:blur(14px);-webkit-backdrop-filter:blur(14px);
  box-shadow:var(--shadow);
}
.status-panel h2{font-size:1rem;margin-bottom:14px;letter-spacing:.02em}
.status-row{display:flex;align-items:center;justify-content:space-between;gap:12px;padding:10px 0;border-bottom:1px dashed rgba(148,163,184,.18);font-size:.9rem}
.status-row:last-child{border-bottom:0;padding-bottom:0}
.status-row span{color:var(--dim)}
.status-row b{color:#E2E8F0;font-weight:700}
.status-row b.live{color:#4ADE80}
.status-row b.hd{color:var(--cyan)}
.icon-matrix{display:grid;grid-template-columns:repeat(3,1fr);gap:10px}
.icon-matrix li{
  display:flex;flex-direction:column;align-items:center;gap:8px;text-align:center;
  padding:16px 8px;border-radius:var(--radius-md);border:1px solid var(--line);
  background:rgba(11,23,48,.55);font-size:.76rem;font-weight:600;color:#CBD5E1;line-height:1.35;
}
.icon-matrix li i{font-size:1.1rem;color:var(--cyan)}
.icon-matrix li:hover{border-color:var(--line-strong);background:rgba(37,99,235,.16);transform:translateY(-3px);box-shadow:var(--glow)}

/* ===== FEATURE CARDS ===== */
.feat-grid{display:grid;grid-template-columns:repeat(2,1fr);gap:clamp(14px,2vw,22px)}
.feat-card{
  position:relative;padding:26px 24px;border-radius:var(--radius-lg);
  background:var(--panel);border:1px solid var(--line);
  backdrop-filter:blur(12px);-webkit-backdrop-filter:blur(12px);
  transition:transform .28s ease,border-color .28s ease,box-shadow .28s ease;
}
.feat-card:hover{transform:translateY(-4px);border-color:var(--line-strong);box-shadow:0 18px 40px rgba(2,7,22,.55),var(--glow)}
.feat-icon{
  width:48px;height:48px;border-radius:14px;display:grid;place-items:center;margin-bottom:16px;font-size:1.15rem;color:#03121f;
  background:linear-gradient(140deg,#7DD3FC,#2563EB);
}
.feat-card h3{margin-bottom:8px}
.feat-card p{font-size:.92rem;line-height:1.65}

/* ===== TIMELINE ===== */
.timeline{display:grid;gap:0}
.tl-item{
  display:grid;grid-template-columns:120px 1fr;gap:20px;padding:20px 0;
  border-bottom:1px solid rgba(148,163,184,.14);align-items:start;
}
.tl-item:last-child{border-bottom:0}
.tl-time{font-weight:800;font-size:1.05rem;color:var(--cyan);letter-spacing:.01em}
.tl-body h3{margin-bottom:6px;font-size:1rem}
.tl-body p{font-size:.9rem;margin-bottom:0}
.tag{
  display:inline-flex;align-items:center;gap:6px;padding:4px 11px;border-radius:999px;
  font-size:.7rem;font-weight:700;letter-spacing:.06em;text-transform:uppercase;
  color:var(--holo);border:1px solid var(--line-strong);background:rgba(56,189,248,.08);
}
.tag--hot{color:#FECDD3;border-color:rgba(244,63,94,.5);background:rgba(244,63,94,.12)}
.tl-tags{margin-top:10px;display:flex;flex-wrap:wrap;gap:8px}

/* ===== WEIGHT GRID ===== */
.weight-grid{display:grid;grid-template-columns:repeat(4,1fr);gap:16px}
.weight-card{
  padding:22px 20px;border-radius:var(--radius-lg);border:1px solid var(--line);
  background:linear-gradient(180deg,rgba(11,23,48,.8),rgba(8,18,41,.6));
  transition:transform .28s ease,border-color .28s ease,box-shadow .28s ease;
}
.weight-card:hover{transform:translateY(-4px);border-color:var(--line-strong);box-shadow:var(--glow)}
.weight-card .num{font-size:1.5rem;font-weight:800;color:#fff;line-height:1.1;margin-bottom:6px}
.weight-card .unit{font-size:.78rem;font-weight:700;letter-spacing:.1em;text-transform:uppercase;color:var(--cyan);display:block;margin-bottom:12px}
.weight-card p{font-size:.87rem;line-height:1.6}

/* ===== SPLIT ===== */
.split{display:grid;grid-template-columns:1fr 1fr;gap:clamp(24px,4vw,54px);align-items:center}
.split-media{position:relative;border-radius:var(--radius-xl);overflow:hidden;border:1px solid var(--line);box-shadow:var(--shadow)}
.split-media img{width:100%;height:100%;object-fit:cover;aspect-ratio:16/11}
.split-media::after{content:"";position:absolute;inset:0;background:linear-gradient(180deg,rgba(3,7,18,.05),rgba(3,7,18,.55))}
.split-list{display:grid;gap:14px;margin-top:20px}
.split-list li{display:flex;gap:12px;align-items:flex-start;font-size:.94rem;color:#CBD5E1}
.split-list i{color:var(--cyan);margin-top:4px;font-size:.9rem}
.split-list b{color:#fff;font-weight:700}

/* ===== STATS ===== */
.stat-grid{display:grid;grid-template-columns:repeat(4,1fr);gap:16px}
.stat-card{
  padding:24px 20px;border-radius:var(--radius-lg);text-align:left;
  background:rgba(11,23,48,.6);border:1px solid var(--line);
}
.stat-card .value{font-size:clamp(1.5rem,2.6vw,2rem);font-weight:800;color:#fff;line-height:1.1}
.stat-card .value span{color:var(--cyan);font-size:.9rem;font-weight:700;margin-left:4px}
.stat-card .label{display:block;margin-top:8px;font-size:.85rem;color:var(--muted)}

/* ===== CHANNEL GRID ===== */
.channel-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:18px}
.channel-card{
  display:flex;flex-direction:column;gap:10px;padding:24px 22px;border-radius:var(--radius-lg);
  border:1px solid var(--line);background:var(--panel);
  transition:transform .28s ease,border-color .28s ease,box-shadow .28s ease;
}
.channel-card:hover{transform:translateY(-4px);border-color:var(--line-strong);box-shadow:var(--glow);color:#fff}
.channel-card .ch-top{display:flex;align-items:center;justify-content:space-between;gap:10px}
.channel-card h3{margin:0;font-size:1.05rem}
.channel-card p{font-size:.88rem;margin:0}
.channel-card .ch-link{font-size:.85rem;font-weight:700;color:var(--cyan);display:inline-flex;align-items:center;gap:8px;margin-top:auto}
.channel-card.is-current{border-color:var(--line-strong);background:linear-gradient(140deg,rgba(37,99,235,.28),rgba(11,23,48,.7))}

/* ===== NEWS LIST ===== */
.news-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:18px}
.news-card{
  display:flex;flex-direction:column;overflow:hidden;border-radius:var(--radius-lg);
  border:1px solid var(--line);background:rgba(11,23,48,.62);
  transition:transform .28s ease,border-color .28s ease,box-shadow .28s ease;
}
.news-card:hover{transform:translateY(-4px);border-color:var(--line-strong);box-shadow:0 18px 40px rgba(2,7,22,.55)}
.news-thumb{display:block;position:relative;overflow:hidden}
.news-thumb img{width:100%;aspect-ratio:16/10;object-fit:cover;transition:transform .5s ease}
.news-card:hover .news-thumb img{transform:scale(1.05)}
.news-body{padding:20px;display:flex;flex-direction:column;gap:10px;flex:1}
.news-meta{font-size:.76rem;font-weight:600;letter-spacing:.04em;text-transform:uppercase;color:var(--dim);display:flex;align-items:center;gap:8px;flex-wrap:wrap}
.news-meta i{color:var(--cyan)}
.news-title{margin:0;font-size:1rem;line-height:1.45}
.news-title a:hover{color:var(--cyan)}
.news-excerpt{font-size:.88rem;margin:0;color:var(--muted);line-height:1.6}
.news-more{margin-top:auto;font-size:.85rem;font-weight:700;color:var(--cyan);display:inline-flex;align-items:center;gap:8px}
.news-more i{transition:transform .25s ease}
.news-more:hover i{transform:translateX(4px)}
.news-empty{padding:22px;border:1px dashed var(--line-strong);border-radius:var(--radius-lg);background:rgba(11,23,48,.4);color:var(--muted)}
.list-foot{margin-top:28px;display:flex;justify-content:flex-start}

/* ===== FAQ ===== */
.faq-list{display:grid;gap:12px;max-width:900px}
.faq-item{
  border:1px solid var(--line);border-radius:var(--radius-md);background:rgba(11,23,48,.6);
  padding:0 20px;transition:border-color .25s ease,background .25s ease;
}
.faq-item[open]{border-color:var(--line-strong);background:rgba(11,23,48,.82)}
.faq-item summary{
  list-style:none;cursor:pointer;padding:18px 0;font-weight:700;font-size:.98rem;color:#fff;
  display:flex;align-items:center;justify-content:space-between;gap:14px;
}
.faq-item summary::-webkit-details-marker{display:none}
.faq-item summary::after{
  content:"\f067";font-family:"Font Awesome 6 Free";font-weight:900;font-size:.78rem;color:var(--cyan);
  transition:transform .25s ease;
}
.faq-item[open] summary::after{transform:rotate(45deg)}
.faq-item p{padding-bottom:18px;font-size:.92rem}

/* ===== CTA BAND ===== */
.cta-band{
  display:grid;grid-template-columns:1.35fr .65fr;gap:clamp(20px,3vw,40px);align-items:center;
  padding:clamp(26px,4vw,44px);border-radius:var(--radius-xl);
  border:1px solid var(--line-strong);
  background:
    radial-gradient(600px 300px at 12% 10%,rgba(37,99,235,.35),transparent 62%),
    linear-gradient(135deg,rgba(11,23,48,.95),rgba(3,7,18,.9));
  box-shadow:var(--shadow);
}
.cta-band h2{margin-bottom:10px}
.cta-band p{font-size:.94rem;max-width:640px}
.cta-actions{display:flex;flex-direction:column;gap:12px}
.cta-actions .btn-primary-glow,.cta-actions .btn-outline{width:100%}

/* ===== FAB ===== */
.fab-neon{
  position:fixed;left:16px;bottom:96px;z-index:1050;
  width:56px;height:56px;border-radius:18px;display:grid;place-items:center;
  background:rgba(7,7,13,.82);backdrop-filter:blur(12px);-webkit-backdrop-filter:blur(12px);
  border:1px solid transparent;color:#fff;font-size:1.1rem;
  box-shadow:0 0 20px rgba(6,182,212,.45);
  transition:transform .28s ease,opacity .28s ease,box-shadow .28s ease;
  opacity:.78;
  background-image:linear-gradient(rgba(7,7,13,.86),rgba(7,7,13,.86)),linear-gradient(135deg,var(--cyan),var(--blue));
  background-origin:border-box;background-clip:padding-box,border-box;
  animation:fabPulse 3.2s ease-in-out infinite;
}
.fab-neon:hover{opacity:1;transform:scale(1.08);box-shadow:0 0 30px rgba(56,189,248,.65);color:#fff}
.fab-neon:active{transform:scale(.94)}
.fab-neon .fab-dot{
  position:absolute;top:-4px;right:-4px;width:14px;height:14px;border-radius:50%;
  background:#F43F5E;box-shadow:0 0 0 2px #030712;animation:pulseDot 1.2s infinite;
}
@keyframes fabPulse{0%,100%{box-shadow:0 0 16px rgba(6,182,212,.35)}50%{box-shadow:0 0 28px rgba(56,189,248,.7)}}

/* ===== FOOTER ===== */
.site-footer{background:linear-gradient(180deg,rgba(3,7,18,.9),rgba(8,18,41,.95));border-top:1px solid var(--line);padding:clamp(44px,6vw,72px) 0 28px;margin-top:0}
.footer-grid{display:grid;grid-template-columns:1.6fr 1fr 1fr 1.4fr;gap:clamp(22px,3vw,42px)}
.footer-brand p{margin-top:16px;font-size:.88rem;line-height:1.7;color:var(--muted);max-width:420px}
.footer-col h4{font-size:.82rem;letter-spacing:.12em;text-transform:uppercase;color:var(--holo);margin-bottom:16px}
.footer-col ul{display:grid;gap:10px}
.footer-col a{font-size:.9rem;color:var(--muted)}
.footer-col a:hover{color:var(--cyan)}
.footer-contact li{display:flex;gap:10px;font-size:.87rem;color:var(--muted);line-height:1.55}
.footer-contact i{color:var(--cyan);margin-top:4px}
.footer-bottom{
  margin-top:clamp(28px,4vw,44px);padding-top:22px;border-top:1px solid var(--line);
  display:flex;align-items:center;justify-content:space-between;gap:14px;flex-wrap:wrap;
}
.footer-bottom p{margin:0;font-size:.84rem;color:var(--dim)}
.age-badge{
  display:inline-flex;align-items:center;gap:8px;padding:6px 14px;border-radius:999px;
  font-size:.76rem;font-weight:700;color:#CBD5E1;border:1px solid var(--line-strong);background:rgba(56,189,248,.08);
}
.footer-legal{margin-top:18px;font-size:.78rem;color:var(--dim);line-height:1.7}

/* ===== RESPONSIVE ===== */
@media (max-width:1100px){
  .icon-matrix{grid-template-columns:repeat(3,1fr)}
  .weight-grid{grid-template-columns:repeat(2,1fr)}
  .stat-grid{grid-template-columns:repeat(2,1fr)}
  .news-grid{grid-template-columns:repeat(2,1fr)}
  .footer-grid{grid-template-columns:1fr 1fr}
}
@media (max-width:1024px){
  .nav-toggle{display:grid;place-items:center}
  .main-nav{
    position:fixed;top:72px;left:0;right:0;flex-direction:column;align-items:stretch;gap:6px;
    padding:16px var(--pad) 22px;background:rgba(3,7,18,.98);
    border-bottom:1px solid var(--line-strong);
    transform:translateY(-130%);transition:transform .3s ease;max-height:calc(100vh - 72px);overflow:auto;
    box-shadow:0 24px 40px rgba(2,7,22,.7);
  }
  .main-nav.open{transform:translateY(0)}
  .nav-link{padding:13px 16px;border-radius:14px}
  .hero-inner{grid-template-columns:1fr}
  .split{grid-template-columns:1fr}
  .split-media{order:-1}
  .cta-band{grid-template-columns:1fr}
  .channel-grid{grid-template-columns:1fr 1fr}
}
@media (max-width:768px){
  .brand{max-width:230px}
  .brand-text{font-size:.86rem}
  .feat-grid{grid-template-columns:1fr}
  .news-grid{grid-template-columns:1fr}
  .tl-item{grid-template-columns:1fr;gap:8px}
  .channel-grid{grid-template-columns:1fr}
  .footer-grid{grid-template-columns:1fr}
  .section-head{max-width:100%}
}
@media (max-width:520px){
  .brand{max-width:190px}
  .brand-mark{width:36px;height:36px;font-size:1rem}
  .brand-text{font-size:.78rem}
  .brand-text small{font-size:.58rem;letter-spacing:.04em}
  .btn-ghost{padding:8px 10px;font-size:.78rem}
  .btn-primary-glow.btn-sm{padding:8px 12px;font-size:.78rem}
  .icon-matrix{grid-template-columns:repeat(2,1fr)}
  .weight-grid{grid-template-columns:1fr}
  .stat-grid{grid-template-columns:1fr}
  .hero-cta .btn-primary-glow,.hero-cta .btn-outline{width:100%}
  .cta-actions .btn-primary-glow,.cta-actions .btn-outline{width:100%}
  .footer-bottom{flex-direction:column;align-items:flex-start}
}

/* roulang page: category3 */
:root{
  --bg:#030712;
  --bg-2:#081229;
  --panel:rgba(11,23,48,.72);
  --panel-solid:#0b1730;
  --line:rgba(56,189,248,.16);
  --line-strong:rgba(56,189,248,.40);
  --blue:#2563EB;
  --cyan:#38BDF8;
  --holo:#60A5FA;
  --text:#F8FAFC;
  --muted:#94A3B8;
  --dim:#64748B;
  --gold:#FACC15;
  --rose:#F43F5E;
  --radius-xl:24px;
  --radius-lg:18px;
  --radius-md:14px;
  --radius-sm:10px;
  --shadow:0 20px 50px rgba(2,7,22,.6);
  --glow:0 0 24px rgba(56,189,248,.32);
  --container:1200px;
  --pad:clamp(16px,4vw,24px);
}
*,*::before,*::after{box-sizing:border-box}
html{scroll-behavior:smooth;-webkit-text-size-adjust:100%}
body{
  margin:0;
  font-family:'Be Vietnam Pro',system-ui,-apple-system,"Segoe UI",Roboto,Arial,sans-serif;
  font-size:16px;line-height:1.65;color:var(--text);
  background:
    radial-gradient(1000px 520px at 85% -5%,rgba(37,99,235,.22),transparent 62%),
    radial-gradient(900px 480px at 5% 12%,rgba(56,189,248,.14),transparent 60%),
    var(--bg);
  overflow-x:hidden;-webkit-font-smoothing:antialiased;
}
img{max-width:100%;height:auto;display:block}
a{color:inherit;text-decoration:none;transition:color .25s ease,background .25s ease,border-color .25s ease,transform .25s ease,box-shadow .25s ease}
a:hover{color:var(--cyan)}
button{font-family:inherit;cursor:pointer}
h1,h2,h3,h4{margin:0 0 12px;font-weight:800;line-height:1.25;letter-spacing:-.02em}
h1{font-size:clamp(1.7rem,3.5vw,2.7rem)}
h2{font-size:clamp(1.32rem,2.3vw,1.9rem)}
h3{font-size:clamp(1.02rem,1.5vw,1.2rem)}
p{margin:0 0 14px}
p:last-child{margin-bottom:0}
ul{margin:0;padding:0;list-style:none}
:focus-visible{outline:2px solid var(--cyan);outline-offset:3px;border-radius:6px}
.container{width:100%;max-width:var(--container);margin:0 auto;padding:0 var(--pad)}

/* ===== BUTTONS ===== */
.btn-primary-glow{
  display:inline-flex;align-items:center;justify-content:center;gap:8px;
  padding:12px 24px;border-radius:999px;border:0;font-weight:700;font-size:.94rem;color:#03121f;
  background:linear-gradient(135deg,#7DD3FC,#38BDF8 40%,#2563EB);
  box-shadow:0 0 0 1px rgba(125,211,252,.55),0 12px 32px rgba(37,99,235,.45);
}
.btn-primary-glow:hover{color:#03121f;transform:translateY(-2px);box-shadow:0 0 0 1px rgba(125,211,252,.9),0 18px 40px rgba(56,189,248,.55)}
.btn-primary-glow:active{transform:translateY(0) scale(.98)}
.btn-outline{
  display:inline-flex;align-items:center;justify-content:center;gap:8px;
  padding:11px 22px;border-radius:999px;font-weight:600;font-size:.92rem;color:#E2E8F0;
  border:1px solid var(--line-strong);background:rgba(56,189,248,.06);
}
.btn-outline:hover{color:#fff;border-color:var(--cyan);background:rgba(56,189,248,.14);box-shadow:var(--glow)}
.btn-ghost{
  padding:9px 14px;border-radius:999px;font-size:.88rem;font-weight:600;color:var(--muted);
  border:1px solid transparent;background:transparent;
}
.btn-ghost:hover{color:#fff;border-color:var(--line-strong);background:rgba(56,189,248,.08)}
.btn-sm{padding:8px 16px;font-size:.85rem}

/* ===== HEADER / NAV ===== */
.site-header{
  position:sticky;top:0;z-index:1040;
  background:rgba(3,7,18,.86);
  backdrop-filter:blur(16px);-webkit-backdrop-filter:blur(16px);
  border-bottom:1px solid var(--line);
}
.nav-wrap{display:flex;align-items:center;gap:14px;min-height:72px}
.brand{display:flex;align-items:center;gap:10px;margin-right:auto;font-weight:800;color:#fff;max-width:340px}
.brand:hover{color:#fff}
.brand-mark{
  flex:0 0 auto;width:40px;height:40px;border-radius:12px;display:grid;place-items:center;font-size:1.15rem;
  background:linear-gradient(140deg,var(--cyan),var(--blue));
  box-shadow:0 0 18px rgba(56,189,248,.45);
}
.brand-text{display:block;font-size:.94rem;line-height:1.2;letter-spacing:-.01em}
.brand-text small{display:block;font-size:.68rem;font-weight:600;color:var(--holo);letter-spacing:.06em;text-transform:uppercase}
.main-nav{display:flex;align-items:center;gap:4px}
.nav-link{
  padding:9px 15px;border-radius:999px;font-size:.92rem;font-weight:600;color:var(--muted);white-space:nowrap;
  border:1px solid transparent;
}
.nav-link:hover{color:#fff;background:rgba(56,189,248,.10);border-color:var(--line)}
.nav-link.active{
  color:#fff;border-color:var(--line-strong);
  background:linear-gradient(135deg,rgba(37,99,235,.42),rgba(56,189,248,.24));
  box-shadow:0 0 16px rgba(56,189,248,.22);
}
.nav-actions{display:flex;align-items:center;gap:8px}
.nav-toggle{
  display:none;width:42px;height:42px;border-radius:12px;border:1px solid var(--line-strong);
  background:rgba(56,189,248,.08);color:#fff;font-size:1rem;
}
.nav-toggle:hover{background:rgba(56,189,248,.18)}

/* ===== SECTIONS ===== */
.section{padding:clamp(46px,6.5vw,92px) 0;position:relative}
.section--alt{background:linear-gradient(180deg,rgba(8,18,41,.85),rgba(3,7,18,.55));border-top:1px solid var(--line);border-bottom:1px solid var(--line)}
.section-head{max-width:820px;margin-bottom:clamp(24px,4vw,44px)}
.section-head.center{margin-left:auto;margin-right:auto;text-align:center}
.section-head p{color:var(--muted);font-size:1rem}
.eyebrow{
  display:inline-flex;align-items:center;gap:8px;margin-bottom:14px;padding:6px 14px;border-radius:999px;
  font-size:.72rem;font-weight:700;letter-spacing:.12em;text-transform:uppercase;color:var(--holo);
  border:1px solid var(--line-strong);background:rgba(56,189,248,.07);
}
.eyebrow i{font-size:.7rem;color:var(--cyan)}
.divider{height:1px;background:linear-gradient(90deg,transparent,var(--line-strong),transparent);margin:0}

/* ===== HERO ===== */
.hero{position:relative;overflow:hidden;padding:clamp(42px,6vw,84px) 0 clamp(48px,6vw,84px);text-align:center}
.hero-bg{position:absolute;inset:0;background-image:url('/assets/images/19294519464df57b.jpg');background-size:cover;background-position:center;opacity:.32}
.hero-overlay{position:absolute;inset:0;background:
  radial-gradient(760px 420px at 50% 0%,rgba(37,99,235,.38),transparent 62%),
  linear-gradient(160deg,rgba(3,7,18,.96) 0%,rgba(3,7,18,.84) 45%,rgba(8,18,41,.95) 100%)}
.hero-inner{position:relative;z-index:2;max-width:900px;margin:0 auto}
.badge-live{
  display:inline-flex;align-items:center;gap:9px;padding:7px 16px;border-radius:999px;margin-bottom:18px;
  font-size:.76rem;font-weight:700;letter-spacing:.08em;text-transform:uppercase;color:#FECDD3;
  border:1px solid rgba(244,63,94,.5);background:rgba(244,63,94,.12);
}
.badge-live i{font-size:.55rem;color:#FB7185;animation:pulseDot 1.4s infinite}
@keyframes pulseDot{0%,100%{opacity:1}50%{opacity:.25}}
.hero h1{margin-bottom:16px;text-shadow:0 6px 30px rgba(2,7,22,.7)}
.hero-lead{font-size:clamp(.98rem,1.3vw,1.08rem);line-height:1.7;color:#CBD5E1;max-width:720px;margin:0 auto 26px}
.search-panel{
  display:flex;align-items:center;gap:10px;max-width:640px;margin:0 auto 18px;padding:8px 8px 8px 18px;
  border-radius:999px;border:1px solid var(--line-strong);background:var(--panel);
  backdrop-filter:blur(14px);-webkit-backdrop-filter:blur(14px);box-shadow:var(--shadow);
}
.search-panel i{color:var(--cyan);font-size:.95rem}
.search-panel input{
  flex:1;min-width:0;border:0;background:transparent;color:var(--text);font-size:.94rem;padding:8px 4px;font-family:inherit;
}
.search-panel input::placeholder{color:var(--dim)}
.search-panel input:focus{outline:none}
.chip-row{display:flex;flex-wrap:wrap;justify-content:center;gap:10px;margin-bottom:26px}
.chip{
  display:inline-flex;align-items:center;gap:7px;padding:8px 15px;border-radius:999px;font-size:.82rem;font-weight:600;
  color:#CBD5E1;border:1px solid var(--line);background:rgba(11,23,48,.55);cursor:pointer;
}
.chip:hover{color:#fff;border-color:var(--cyan);background:rgba(56,189,248,.14);transform:translateY(-2px)}
.chip i{font-size:.72rem;color:var(--cyan)}
.hero-points{display:flex;flex-wrap:wrap;justify-content:center;gap:12px 26px}
.hero-points li{display:flex;align-items:center;gap:9px;font-size:.88rem;color:#CBD5E1;font-weight:500}
.hero-points i{color:var(--cyan);font-size:.85rem}

/* ===== BOARD / LỊCH TRẬN ===== */
.board-toolbar{display:flex;flex-wrap:wrap;align-items:center;gap:10px;margin-bottom:26px}
.filter-btn{
  padding:9px 16px;border-radius:999px;font-size:.84rem;font-weight:600;color:var(--muted);
  border:1px solid var(--line);background:rgba(11,23,48,.55);transition:all .25s ease;
}
.filter-btn:hover{color:#fff;border-color:var(--line-strong);background:rgba(56,189,248,.10)}
.filter-btn.is-active{
  color:#03121f;border-color:transparent;
  background:linear-gradient(135deg,#7DD3FC,#38BDF8 45%,#2563EB);
  box-shadow:0 0 18px rgba(56,189,248,.35);
}
.toolbar-sep{width:1px;height:26px;background:var(--line-strong);margin:0 4px}
.match-grid{display:grid;grid-template-columns:repeat(auto-fill,minmax(290px,1fr));gap:18px}
.match-card{
  position:relative;padding:20px;border-radius:var(--radius-lg);border:1px solid var(--line);
  background:var(--panel);backdrop-filter:blur(14px);-webkit-backdrop-filter:blur(14px);
  transition:transform .3s ease,border-color .3s ease,box-shadow .3s ease;
}
.match-card:hover{transform:translateY(-5px);border-color:var(--line-strong);box-shadow:0 18px 42px rgba(2,7,22,.6),var(--glow)}
.match-top{display:flex;align-items:center;gap:10px;flex-wrap:wrap;margin-bottom:14px}
.match-time{font-size:.82rem;font-weight:700;color:var(--holo);display:inline-flex;align-items:center;gap:6px}
.match-code{font-size:.72rem;letter-spacing:.08em;text-transform:uppercase;color:var(--dim);font-weight:700}
.tag{display:inline-flex;align-items:center;gap:6px;padding:4px 11px;border-radius:999px;font-size:.7rem;font-weight:700;letter-spacing:.06em;text-transform:uppercase;margin-left:auto}
.tag i{font-size:.5rem}
.tag--live{color:#FECDD3;background:rgba(244,63,94,.14);border:1px solid rgba(244,63,94,.45)}
.tag--soon{color:#BAE6FD;background:rgba(56,189,248,.12);border:1px solid var(--line-strong)}
.tag--done{color:#CBD5E1;background:rgba(148,163,184,.12);border:1px solid rgba(148,163,184,.28)}
.match-title{font-size:1.08rem;margin-bottom:12px}
.match-title span{color:var(--dim);font-weight:600;font-size:.85rem;margin:0 6px}
.match-meta{display:grid;gap:8px;margin-bottom:16px}
.match-meta li{display:flex;align-items:center;gap:9px;font-size:.85rem;color:var(--muted)}
.match-meta i{width:16px;color:var(--cyan);font-size:.8rem}
.match-link{display:inline-flex;align-items:center;gap:8px;font-size:.85rem;font-weight:700;color:var(--holo)}
.match-link:hover{color:#fff;gap:12px}
.board-empty{
  display:none;padding:26px;border-radius:var(--radius-lg);border:1px dashed var(--line-strong);
  text-align:center;color:var(--muted);font-size:.92rem;background:rgba(11,23,48,.4);
}
.board-empty.is-visible{display:block}
.board-note{margin-top:18px;font-size:.82rem;color:var(--dim)}

/* ===== FEATURE GRID ===== */
.feature-grid{display:grid;grid-template-columns:repeat(auto-fit,minmax(250px,1fr));gap:18px}
.feature-card{
  padding:24px;border-radius:var(--radius-lg);border:1px solid var(--line);background:var(--panel);
  backdrop-filter:blur(14px);-webkit-backdrop-filter:blur(14px);transition:transform .3s ease,border-color .3s ease,box-shadow .3s ease;
}
.feature-card:hover{transform:translateY(-5px);border-color:var(--line-strong);box-shadow:var(--glow)}
.feature-icon{
  width:46px;height:46px;border-radius:14px;display:grid;place-items:center;margin-bottom:16px;font-size:1.05rem;
  color:#03121f;background:linear-gradient(140deg,#7DD3FC,#38BDF8 50%,#2563EB);
  box-shadow:0 0 20px rgba(56,189,248,.32);
}
.feature-card h3{margin-bottom:8px}
.feature-card p{font-size:.9rem;color:var(--muted)}

/* ===== SPLIT / EXPERIENCE ===== */
.split{display:grid;grid-template-columns:1.05fr .95fr;gap:clamp(24px,4vw,52px);align-items:center}
.split-media{position:relative;border-radius:var(--radius-xl);overflow:hidden;border:1px solid var(--line);box-shadow:var(--shadow)}
.split-media img{width:100%;height:100%;object-fit:cover;aspect-ratio:16/11}
.split-media::after{content:"";position:absolute;inset:0;background:linear-gradient(200deg,rgba(3,7,18,0) 40%,rgba(3,7,18,.75))}
.media-badge{
  position:absolute;left:16px;bottom:16px;z-index:2;display:inline-flex;align-items:center;gap:9px;
  padding:8px 15px;border-radius:999px;font-size:.76rem;font-weight:700;letter-spacing:.06em;text-transform:uppercase;
  color:#03121f;background:linear-gradient(135deg,#7DD3FC,#38BDF8);box-shadow:0 0 20px rgba(56,189,248,.45);
}
.check-list{display:grid;gap:14px;margin-top:20px}
.check-list li{display:flex;gap:12px;align-items:flex-start;font-size:.92rem;color:#CBD5E1}
.check-list i{flex:0 0 auto;margin-top:4px;width:20px;height:20px;border-radius:50%;display:grid;place-items:center;font-size:.6rem;color:#03121f;background:linear-gradient(140deg,#7DD3FC,#38BDF8)}
.mini-stats{display:flex;flex-wrap:wrap;gap:14px;margin-top:24px}
.mini-stat{padding:12px 18px;border-radius:var(--radius-md);border:1px solid var(--line);background:rgba(11,23,48,.6)}
.mini-stat strong{display:block;font-size:1.15rem;color:#fff;font-weight:800}
.mini-stat span{font-size:.76rem;color:var(--muted);text-transform:uppercase;letter-spacing:.06em}

/* ===== TIMELINE ===== */
.timeline{display:grid;gap:16px;counter-reset:step}
.step{
  display:grid;grid-template-columns:56px 1fr;gap:18px;align-items:start;padding:20px 22px;
  border-radius:var(--radius-lg);border:1px solid var(--line);background:var(--panel);
  backdrop-filter:blur(12px);-webkit-backdrop-filter:blur(12px);transition:border-color .3s ease,transform .3s ease;
}
.step:hover{border-color:var(--line-strong);transform:translateX(4px)}
.step-num{
  width:44px;height:44px;border-radius:14px;display:grid;place-items:center;font-weight:800;font-size:.95rem;color:var(--cyan);
  border:1px solid var(--line-strong);background:rgba(56,189,248,.08);
}
.step h3{margin-bottom:6px;font-size:1.02rem}
.step p{font-size:.9rem;color:var(--muted)}

/* ===== STATS ===== */
.stat-grid{display:grid;grid-template-columns:repeat(auto-fit,minmax(200px,1fr));gap:18px}
.stat-block{
  padding:26px 22px;border-radius:var(--radius-lg);border:1px solid var(--line);
  background:linear-gradient(160deg,rgba(37,99,235,.16),rgba(11,23,48,.72));
  backdrop-filter:blur(12px);-webkit-backdrop-filter:blur(12px);
}
.stat-value{font-size:clamp(1.6rem,3vw,2.2rem);font-weight:800;color:#fff;line-height:1.1;margin-bottom:6px}
.stat-value small{font-size:.85rem;font-weight:700;color:var(--cyan);margin-left:4px}
.stat-label{font-size:.85rem;color:var(--muted)}

/* ===== QUOTES ===== */
.quote-grid{display:grid;grid-template-columns:repeat(auto-fit,minmax(270px,1fr));gap:18px}
.quote-card{
  padding:24px;border-radius:var(--radius-lg);border:1px solid var(--line);background:var(--panel);
  backdrop-filter:blur(14px);-webkit-backdrop-filter:blur(14px);display:flex;flex-direction:column;gap:16px;
  transition:transform .3s ease,border-color .3s ease;
}
.quote-card:hover{transform:translateY(-5px);border-color:var(--line-strong)}
.quote-stars{color:var(--gold);font-size:.8rem;letter-spacing:.15em}
.quote-card p{font-size:.92rem;color:#CBD5E1;flex:1}
.quote-person{display:flex;align-items:center;gap:12px;border-top:1px solid var(--line);padding-top:16px}
.avatar{
  width:42px;height:42px;border-radius:50%;display:grid;place-items:center;font-weight:800;font-size:.9rem;color:#03121f;
  background:linear-gradient(140deg,#7DD3FC,#2563EB);
}
.quote-person strong{display:block;font-size:.9rem;color:#fff}
.quote-person span{font-size:.76rem;color:var(--dim)}

/* ===== CHANNEL MATRIX ===== */
.channel-grid{display:grid;grid-template-columns:repeat(auto-fit,minmax(260px,1fr));gap:18px}
.channel-card{
  position:relative;display:block;padding:24px;border-radius:var(--radius-lg);border:1px solid var(--line);
  background:var(--panel);backdrop-filter:blur(14px);-webkit-backdrop-filter:blur(14px);
  transition:transform .3s ease,border-color .3s ease,box-shadow .3s ease;
}
.channel-card:hover{transform:translateY(-5px);border-color:var(--cyan);box-shadow:var(--glow);color:#fff}
.channel-card.is-current{border-color:var(--line-strong);background:linear-gradient(150deg,rgba(37,99,235,.26),rgba(11,23,48,.75))}
.channel-card h3{margin-bottom:6px;font-size:1.08rem}
.channel-card p{font-size:.88rem;color:var(--muted);margin-bottom:14px}
.channel-meta{display:flex;flex-wrap:wrap;gap:8px}
.channel-meta span{
  font-size:.72rem;font-weight:700;letter-spacing:.05em;text-transform:uppercase;color:var(--holo);
  padding:5px 11px;border-radius:999px;border:1px solid var(--line);background:rgba(56,189,248,.07);
}

/* ===== FAQ ===== */
.faq-wrap{max-width:900px;margin:0 auto}
.accordion-item{
  background:var(--panel);border:1px solid var(--line);border-radius:var(--radius-md)!important;
  margin-bottom:12px;overflow:hidden;backdrop-filter:blur(12px);-webkit-backdrop-filter:blur(12px);
}
.accordion-button{
  background:transparent;color:var(--text);font-weight:700;font-size:.96rem;padding:18px 20px;box-shadow:none;
}
.accordion-button:not(.collapsed){background:rgba(56,189,248,.10);color:#fff;box-shadow:none}
.accordion-button:focus{box-shadow:none;border-color:var(--line-strong)}
.accordion-button::after{filter:invert(1) brightness(1.4)}
.accordion-body{color:var(--muted);font-size:.92rem;padding:0 20px 20px}

/* ===== CTA ===== */
.cta-band{
  position:relative;overflow:hidden;border-radius:var(--radius-xl);border:1px solid var(--line-strong);
  background:linear-gradient(135deg,rgba(37,99,235,.30),rgba(11,23,48,.85));
  padding:clamp(30px,5vw,54px);text-align:center;
}
.cta-band::before{
  content:"";position:absolute;inset:0;background-image:url('/assets/images/883ee9e4dbbd8886.jpg');
  background-size:cover;background-position:center;opacity:.16;
}
.cta-inner{position:relative;z-index:2;max-width:760px;margin:0 auto}
.cta-inner p{color:#CBD5E1}
.cta-actions{display:flex;flex-wrap:wrap;justify-content:center;gap:12px;margin-top:24px}
.pay-row{display:flex;flex-wrap:wrap;justify-content:center;gap:10px;margin-top:22px}
.pay-row span{
  font-size:.76rem;font-weight:700;letter-spacing:.04em;color:#E2E8F0;padding:7px 14px;border-radius:999px;
  border:1px solid var(--line);background:rgba(3,7,18,.45);
}

/* ===== FAB ===== */
.fab{
  position:fixed;left:16px;bottom:96px;z-index:1050;display:inline-flex;align-items:center;gap:10px;
  min-height:56px;padding:0 20px 0 14px;border-radius:999px;font-weight:700;font-size:.86rem;color:#fff;
  background:rgba(7,7,13,.82);backdrop-filter:blur(14px);-webkit-backdrop-filter:blur(14px);
  border:1px solid transparent;
  background-image:linear-gradient(rgba(7,7,13,.85),rgba(7,7,13,.85)),linear-gradient(135deg,#38BDF8,#2563EB 55%,#F43F5E);
  background-origin:border-box;background-clip:padding-box,border-box;
  box-shadow:0 0 22px rgba(56,189,248,.40);opacity:.85;
  animation:fabPulse 3s ease-in-out infinite;
}
.fab:hover{opacity:1;color:#fff;transform:translateY(-3px);box-shadow:0 0 30px rgba(56,189,248,.65)}
.fab:active{transform:translateY(0) scale(.97)}
.fab i{font-size:1rem;color:var(--cyan)}
.fab-dot{position:absolute;top:8px;right:12px;width:9px;height:9px;border-radius:50%;background:#F43F5E;box-shadow:0 0 10px #F43F5E;animation:pulseDot 1.4s infinite}
@keyframes fabPulse{0%,100%{box-shadow:0 0 18px rgba(56,189,248,.35)}50%{box-shadow:0 0 30px rgba(56,189,248,.6)}}

/* ===== FOOTER ===== */
.site-footer{border-top:1px solid var(--line);background:linear-gradient(180deg,rgba(8,18,41,.9),rgba(3,7,18,.98));padding:clamp(40px,6vw,72px) 0 28px}
.footer-grid{display:grid;grid-template-columns:1.4fr 1fr 1fr 1.2fr;gap:clamp(22px,3vw,40px);margin-bottom:36px}
.footer-brand .brand{margin:0 0 16px}
.footer-brand p{font-size:.88rem;color:var(--muted)}
.footer-col h4{font-size:.86rem;text-transform:uppercase;letter-spacing:.1em;color:var(--holo);margin-bottom:16px}
.footer-col ul{display:grid;gap:10px}
.footer-col a{font-size:.88rem;color:var(--muted)}
.footer-col a:hover{color:#fff}
.footer-contact li{display:flex;gap:10px;font-size:.85rem;color:var(--muted);align-items:flex-start}
.footer-contact i{color:var(--cyan);margin-top:4px;font-size:.85rem}
.footer-bottom{
  display:flex;flex-wrap:wrap;gap:14px;align-items:center;justify-content:space-between;
  border-top:1px solid var(--line);padding-top:22px;
}
.footer-bottom p{margin:0;font-size:.84rem;color:var(--dim)}
.age-badge{
  display:inline-flex;align-items:center;gap:8px;font-size:.76rem;font-weight:700;letter-spacing:.05em;text-transform:uppercase;
  color:#FECDD3;padding:7px 14px;border-radius:999px;border:1px solid rgba(244,63,94,.42);background:rgba(244,63,94,.10);
}
.footer-legal{margin:18px 0 0;font-size:.78rem;color:var(--dim);line-height:1.6}

/* ===== RESPONSIVE ===== */
@media (max-width:1024px){
  .split{grid-template-columns:1fr}
  .footer-grid{grid-template-columns:1fr 1fr}
}
@media (max-width:900px){
  .nav-toggle{display:inline-grid;place-items:center}
  .main-nav{
    position:absolute;top:100%;left:0;right:0;flex-direction:column;align-items:stretch;gap:6px;
    padding:14px var(--pad) 20px;background:rgba(3,7,18,.98);border-bottom:1px solid var(--line);
    backdrop-filter:blur(18px);-webkit-backdrop-filter:blur(18px);
    display:none;
  }
  .main-nav.is-open{display:flex}
  .nav-link{padding:12px 16px;border-radius:var(--radius-md)}
  .nav-wrap{flex-wrap:wrap;position:relative;padding:10px 0}
  .brand{max-width:calc(100% - 150px)}
  .nav-actions{margin-left:auto}
}
@media (max-width:768px){
  body{font-size:15.5px}
  .brand-text{font-size:.85rem}
  .brand-text small{font-size:.62rem}
  .brand-mark{width:36px;height:36px;font-size:1rem}
  .btn-ghost,.btn-primary-glow.btn-sm{padding:7px 13px;font-size:.8rem}
  .search-panel{border-radius:var(--radius-lg);padding:12px 14px;flex-wrap:wrap;justify-content:center}
  .search-panel input{flex:1 1 100%;text-align:center}
  .search-panel .btn-primary-glow{width:100%}
  .toolbar-sep{display:none}
  .footer-grid{grid-template-columns:1fr}
  .step{grid-template-columns:1fr;gap:12px}
  .fab{bottom:20px;padding:0 16px 0 12px}
}
@media (max-width:520px){
  .match-grid{grid-template-columns:1fr}
  .chip{font-size:.78rem;padding:7px 13px}
  .hero-points{gap:10px 16px}
  .hero-points li{font-size:.83rem}
  .footer-bottom{justify-content:flex-start}
  .fab span{display:none}
  .fab{padding:0;width:56px;height:56px;justify-content:center}
}
@media (prefers-reduced-motion:reduce){
  *{animation:none!important;transition:none!important}
  html{scroll-behavior:auto}
}

/* 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}