/* roulang page: index */
:root{
  --bg:#030712;
  --bg-2:#071329;
  --panel:rgba(9,20,43,.78);
  --panel-solid:#0b1730;
  --line:rgba(96,165,250,.22);
  --line-strong:rgba(56,189,248,.48);
  --blue:#2563eb;
  --cyan:#38bdf8;
  --cyan-soft:#7dd3fc;
  --text:#f8fafc;
  --muted:#94a3b8;
  --muted-2:#cbd5e1;
  --gold:#facc15;
  --green:#22c55e;
  --danger:#fb7185;
  --radius:16px;
  --radius-sm:10px;
  --shadow:0 18px 55px rgba(0,0,0,.38);
  --glow:0 0 26px rgba(56,189,248,.24);
  --container:1180px;
}
*{box-sizing:border-box}
html{scroll-behavior:smooth}
body{
  margin:0;
  font-family:"Segoe UI",Roboto,Arial,sans-serif;
  color:var(--text);
  background:
    radial-gradient(circle at 15% 0%,rgba(37,99,235,.22),transparent 32rem),
    radial-gradient(circle at 90% 18%,rgba(56,189,248,.13),transparent 28rem),
    linear-gradient(180deg,#030712 0%,#061025 45%,#030712 100%);
  line-height:1.65;
  overflow-x:hidden;
}
body::before{
  content:"";
  position:fixed;
  inset:0;
  pointer-events:none;
  opacity:.18;
  background-image:
    linear-gradient(rgba(56,189,248,.08) 1px,transparent 1px),
    linear-gradient(90deg,rgba(56,189,248,.08) 1px,transparent 1px);
  background-size:48px 48px;
  mask-image:linear-gradient(to bottom,#000,transparent 85%);
}
a{color:inherit;text-decoration:none;transition:.22s ease}
a:hover{color:var(--cyan-soft)}
img{max-width:100%;height:auto;display:block}
button,input,select,textarea{font:inherit}
button{cursor:pointer}
:focus-visible{outline:2px solid var(--cyan);outline-offset:3px}
.container{width:min(var(--container),calc(100% - 32px));margin-inline:auto}
.section{padding:88px 0;position:relative}
.section-sm{padding:58px 0}
.section-title{font-size:clamp(1.65rem,3vw,2.6rem);font-weight:800;line-height:1.25;margin:0 0 14px;letter-spacing:0}
.section-lead{color:var(--muted-2);max-width:820px;font-size:1.04rem;margin:0 0 30px;line-height:1.7}
.eyebrow{
  display:inline-flex;align-items:center;gap:8px;
  color:var(--cyan-soft);font-size:.76rem;font-weight:800;letter-spacing:.12em;text-transform:uppercase;
  border:1px solid var(--line-strong);background:rgba(56,189,248,.08);
  padding:7px 11px;border-radius:999px;margin-bottom:18px;
}
.btn-main,.btn-line,.btn-ghost{
  display:inline-flex;align-items:center;justify-content:center;gap:9px;
  min-height:48px;padding:12px 19px;border-radius:12px;font-weight:800;border:1px solid transparent;
  transition:.22s ease;text-align:center;
}
.btn-main{
  color:#03111e;
  background:linear-gradient(135deg,#38bdf8,#60a5fa 55%,#2563eb);
  box-shadow:0 0 24px rgba(56,189,248,.35),0 10px 22px rgba(0,0,0,.25);
}
.btn-main:hover{color:#02101d;transform:translateY(-2px);box-shadow:0 0 34px rgba(56,189,248,.54),0 14px 28px rgba(0,0,0,.34)}
.btn-main:active{transform:translateY(0) scale(.98)}
.btn-line{color:var(--text);border-color:var(--line-strong);background:rgba(8,20,43,.58)}
.btn-line:hover{color:var(--cyan-soft);border-color:var(--cyan);background:rgba(56,189,248,.11);transform:translateY(-2px)}
.btn-ghost{color:var(--muted-2);border-color:var(--line);background:transparent;min-height:42px;padding:9px 14px}
.btn-ghost:hover{color:var(--cyan-soft);border-color:var(--cyan)}
.badge-tech{
  display:inline-flex;align-items:center;gap:7px;padding:5px 9px;border-radius:999px;
  background:rgba(34,197,94,.11);border:1px solid rgba(34,197,94,.28);color:#86efac;
  font-size:.72rem;font-weight:800;text-transform:uppercase;letter-spacing:.05em;
}
.badge-blue{background:rgba(56,189,248,.11);border-color:rgba(56,189,248,.35);color:var(--cyan-soft)}
.badge-gold{background:rgba(250,204,21,.12);border-color:rgba(250,204,21,.32);color:#fde68a}
.site-header{
  position:sticky;top:0;z-index:1000;
  background:rgba(3,7,18,.83);
  backdrop-filter:blur(18px);
  border-bottom:1px solid rgba(96,165,250,.17);
}
.navbar{padding:13px 0}
.nav-shell{display:flex;align-items:center;gap:18px}
.brand{display:flex;align-items:center;gap:11px;min-width:0;flex:1}
.brand-mark{
  width:44px;height:44px;border-radius:13px;flex:0 0 44px;
  display:grid;place-items:center;
  background:linear-gradient(145deg,rgba(56,189,248,.25),rgba(37,99,235,.14));
  border:1px solid rgba(125,211,252,.4);
  box-shadow:var(--glow);
  color:var(--cyan-soft);font-size:1.1rem;
}
.brand-copy{min-width:0}
.brand-name{
  display:block;font-size:.92rem;font-weight:900;line-height:1.25;
  white-space:nowrap;overflow:hidden;text-overflow:ellipsis;max-width:430px;
}
.brand-note{font-size:.72rem;color:var(--muted);line-height:1.3}
.main-nav{display:flex;align-items:center;gap:6px}
.main-nav a{
  padding:9px 11px;border-radius:10px;color:var(--muted-2);font-size:.9rem;font-weight:700;
  border:1px solid transparent;
}
.main-nav a:hover{background:rgba(56,189,248,.08);border-color:var(--line)}
.main-nav a.active{color:var(--cyan-soft);background:rgba(56,189,248,.11);border-color:var(--line-strong)}
.nav-actions{display:flex;align-items:center;gap:9px}
.login-btn{
  color:#dbeafe;border:1px solid rgba(147,197,253,.36);background:transparent;
  padding:9px 12px;border-radius:10px;font-weight:800;font-size:.88rem;
}
.login-btn:hover{color:#fff;border-color:var(--cyan);background:rgba(56,189,248,.08)}
.signup-btn{padding:9px 14px;border-radius:10px;color:#04111d;background:linear-gradient(135deg,#7dd3fc,#38bdf8,#2563eb);font-weight:900;font-size:.88rem;border:0}
.signup-btn:hover{color:#04111d;box-shadow:0 0 22px rgba(56,189,248,.48);transform:translateY(-1px)}
.menu-toggle{
  display:none;width:46px;height:44px;border-radius:11px;border:1px solid var(--line-strong);
  background:rgba(8,20,43,.7);color:var(--text);
}
.mobile-menu{
  display:none;padding:12px 0 17px;border-top:1px solid var(--line);
}
.mobile-menu.open{display:block}
.mobile-menu a{display:block;padding:11px 10px;border-radius:9px;color:var(--muted-2);font-weight:750}
.mobile-menu a.active,.mobile-menu a:hover{background:rgba(56,189,248,.1);color:var(--cyan-soft)}
.hero{
  padding:78px 0 72px;position:relative;overflow:hidden;
}
.hero::before{
  content:"";position:absolute;inset:0;
  background:linear-gradient(90deg,rgba(3,7,18,.95) 0%,rgba(3,7,18,.78) 45%,rgba(3,7,18,.48) 100%),url("/assets/images/c532bebe0ec53511.jpg") center/cover;
  z-index:-2;
}
.hero::after{
  content:"";position:absolute;right:-100px;top:-120px;width:520px;height:520px;border-radius:50%;
  background:radial-gradient(circle,rgba(56,189,248,.23),transparent 66%);filter:blur(4px);z-index:-1;
}
.hero-shell{
  display:grid;grid-template-columns:minmax(0,1.18fr) minmax(310px,.82fr);gap:44px;align-items:center;
}
.hero-title{
  font-size:clamp(2.15rem,5.5vw,4.45rem);line-height:1.07;font-weight:950;margin:0 0 22px;letter-spacing:0;
  text-wrap:balance;
}
.hero-title .accent{color:transparent;background:linear-gradient(120deg,#fff,#7dd3fc 45%,#93c5fd);background-clip:text;-webkit-background-clip:text}
.hero-copy{font-size:1.08rem;color:#dbeafe;max-width:760px;line-height:1.72;margin:0 0 27px}
.hero-actions{display:flex;flex-wrap:wrap;gap:12px;margin-bottom:24px}
.hero-trust{display:flex;flex-wrap:wrap;gap:9px}
.hero-panel{
  background:linear-gradient(155deg,rgba(15,31,64,.86),rgba(4,12,29,.74));
  border:1px solid rgba(125,211,252,.25);
  border-radius:22px;padding:24px;box-shadow:var(--shadow);
  position:relative;overflow:hidden;
}
.hero-panel::before{
  content:"";position:absolute;inset:0 0 auto 0;height:3px;
  background:linear-gradient(90deg,transparent,#38bdf8,transparent);
}
.hero-panel-label{font-size:.75rem;letter-spacing:.13em;text-transform:uppercase;color:var(--cyan-soft);font-weight:900;margin-bottom:10px}
.hero-panel h2{font-size:1.28rem;line-height:1.35;margin:0 0 15px;font-weight:900}
.radar{
  height:10px;border-radius:999px;background:rgba(148,163,184,.16);overflow:hidden;margin:16px 0 9px;
}
.radar span{display:block;height:100%;width:0;border-radius:999px;background:linear-gradient(90deg,#22c55e,#38bdf8,#a78bfa);animation:radar 3.6s ease-in-out infinite}
@keyframes radar{0%{width:25%}45%{width:92%}100%{width:48%}}
.metric-row{display:grid;grid-template-columns:repeat(2,minmax(0,1fr));gap:12px;margin-top:18px}
.metric{border:1px solid var(--line);border-radius:13px;padding:13px;background:rgba(5,14,31,.66)}
.metric strong{display:block;font-size:1.18rem;color:#e0f2fe}
.metric small{color:var(--muted);font-size:.77rem}
.metric-list{margin:17px 0 0;padding:0;list-style:none}
.metric-list li{display:flex;gap:10px;align-items:flex-start;color:var(--muted-2);font-size:.92rem;margin:10px 0}
.metric-list i{color:var(--cyan);margin-top:4px}
.strip{border-block:1px solid var(--line);background:rgba(6,16,37,.72)}
.strip-grid{display:grid;grid-template-columns:repeat(4,1fr);gap:1px;background:var(--line)}
.strip-item{padding:20px 16px;background:rgba(5,13,30,.92)}
.strip-item strong{display:block;font-size:1.3rem;color:var(--cyan-soft)}
.strip-item span{color:var(--muted);font-size:.83rem}
.bg-band{background:linear-gradient(180deg,rgba(7,19,41,.72),rgba(3,7,18,.35));border-block:1px solid var(--line)}
.pain-grid{display:grid;grid-template-columns:minmax(0,.92fr) minmax(0,1.08fr);gap:34px;align-items:start}
.pain-intro{position:sticky;top:98px}
.pain-list{display:grid;gap:12px}
.pain-item{
  display:grid;grid-template-columns:42px 1fr;gap:14px;padding:16px;
  border:1px solid var(--line);border-radius:var(--radius);background:rgba(10,23,48,.62);
}
.pain-item strong{display:block;margin-bottom:3px}
.pain-item p{margin:0;color:var(--muted-2);font-size:.92rem}
.num{
  width:38px;height:38px;border-radius:11px;display:grid;place-items:center;
  background:rgba(56,189,248,.11);border:1px solid var(--line-strong);color:var(--cyan-soft);font-weight:900;
}
.solution-grid{display:grid;grid-template-columns:repeat(12,1fr);gap:18px}
.solution-card{
  grid-column:span 4;border:1px solid var(--line);border-radius:var(--radius);
  padding:22px;background:linear-gradient(155deg,rgba(12,27,56,.86),rgba(5,13,29,.68));
  min-height:210px;position:relative;transition:.24s ease;
}
.solution-card:hover{transform:translateY(-5px);border-color:var(--line-strong);box-shadow:var(--glow)}
.solution-card.wide{grid-column:span 6}
.solution-icon{
  width:46px;height:46px;border-radius:13px;display:grid;place-items:center;
  background:rgba(56,189,248,.12);border:1px solid var(--line-strong);color:var(--cyan-soft);
  font-size:1.12rem;margin-bottom:18px;
}
.solution-card h3{font-size:1.12rem;margin:0 0 9px;font-weight:850}
.solution-card p{margin:0;color:var(--muted-2);font-size:.94rem}
.scene-wrap{display:grid;grid-template-columns:minmax(0,1fr) minmax(320px,.78fr);gap:38px;align-items:center}
.scene-visual{
  border-radius:20px;overflow:hidden;border:1px solid var(--line);box-shadow:var(--shadow);
  min-height:360px;position:relative;background:#071329;
}
.scene-visual img{width:100%;height:100%;min-height:360px;object-fit:cover}
.scene-visual::after{content:"";position:absolute;inset:0;background:linear-gradient(180deg,transparent 38%,rgba(3,7,18,.88))}
.scene-caption{position:absolute;left:20px;right:20px;bottom:19px;z-index:2}
.scene-caption strong{display:block;font-size:1.16rem;margin-bottom:5px}
.scene-caption span{color:var(--muted-2);font-size:.88rem}
.steps{display:grid;gap:14px}
.step{display:flex;gap:14px;padding-bottom:14px;border-bottom:1px solid var(--line)}
.step:last-child{border-bottom:0;padding-bottom:0}
.step b{width:34px;height:34px;border-radius:10px;display:grid;place-items:center;background:rgba(34,197,94,.11);border:1px solid rgba(34,197,94,.3);color:#86efac;flex:0 0 34px}
.step h3{font-size:1rem;margin:0 0 3px}
.step p{margin:0;color:var(--muted-2);font-size:.9rem}
.social-grid{display:grid;grid-template-columns:1.15fr .85fr;gap:22px;align-items:stretch}
.quote-main{
  padding:28px;border-radius:18px;border:1px solid var(--line-strong);
  background:linear-gradient(145deg,rgba(12,29,58,.86),rgba(4,12,28,.7));
}
.quote-main .stars{color:var(--gold);margin-bottom:14px}
.quote-main blockquote{margin:0 0 17px;font-size:1.2rem;line-height:1.65;color:#e0f2fe}
.quote-main cite{display:block;color:var(--muted);font-size:.84rem;font-style:normal}
.quote-side{display:grid;gap:12px}
.quote-card{border:1px solid var(--line);border-radius:14px;padding:17px;background:rgba(8,19,41,.64)}
.quote-card p{margin:0 0 9px;color:var(--muted-2);font-size:.92rem}
.quote-card span{font-size:.78rem;color:var(--muted)}
.news-layout{display:grid;grid-template-columns:minmax(0,1.6fr) minmax(290px,.7fr);gap:24px;align-items:start}
.news-list{display:grid;gap:12px}
.news-item{
  display:grid;grid-template-columns:176px minmax(0,1fr);gap:17px;padding:14px;
  border:1px solid var(--line);border-radius:15px;background:rgba(8,19,41,.62);transition:.22s ease;
}
.news-item:hover{transform:translateX(4px);border-color:var(--line-strong);background:rgba(11,26,54,.78)}
.news-thumb{height:120px;border-radius:11px;overflow:hidden;background:#071329}
.news-thumb img{width:100%;height:100%;object-fit:cover}
.news-body{min-width:0}
.news-meta{display:flex;flex-wrap:wrap;gap:8px;align-items:center;margin-bottom:7px;color:var(--muted);font-size:.75rem}
.news-body h3{font-size:1.03rem;line-height:1.42;margin:0 0 7px;font-weight:850}
.news-body h3 a:hover{color:var(--cyan-soft)}
.news-body p{margin:0;color:var(--muted-2);font-size:.88rem;display:-webkit-box;-webkit-line-clamp:2;-webkit-box-orient:vertical;overflow:hidden}
.news-aside{
  border:1px solid var(--line);border-radius:17px;padding:20px;background:linear-gradient(160deg,rgba(9,23,48,.82),rgba(4,12,28,.68));
}
.news-aside h3{font-size:1.08rem;margin:0 0 12px}
.aside-list{margin:0;padding:0;list-style:none;display:grid;gap:10px}
.aside-list a{display:block;color:var(--muted-2);font-size:.9rem;padding-bottom:10px;border-bottom:1px solid var(--line)}
.aside-list li:last-child a{border-bottom:0;padding-bottom:0}
.pricing-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:18px;align-items:stretch}
.price-card{
  border:1px solid var(--line);border-radius:18px;padding:24px;background:rgba(8,20,43,.68);
  display:flex;flex-direction:column;transition:.24s ease;
}
.price-card.featured{border-color:var(--line-strong);background:linear-gradient(170deg,rgba(37,99,235,.2),rgba(7,19,41,.82));box-shadow:var(--glow);transform:translateY(-5px)}
.price-card h3{font-size:1.17rem;margin:0 0 8px}
.price{font-size:2rem;font-weight:950;color:#e0f2fe;margin:6px 0 13px}
.price small{font-size:.82rem;color:var(--muted);font-weight:650}
.price-card p{color:var(--muted-2);font-size:.91rem;margin:0 0 15px}
.feature-list{list-style:none;margin:0 0 22px;padding:0;display:grid;gap:10px}
.feature-list li{display:flex;gap:9px;color:var(--muted-2);font-size:.9rem}
.feature-list i{color:var(--cyan);margin-top:4px}
.price-card .btn-main,.price-card .btn-line{margin-top:auto;width:100%}
.guarantee-bar{
  border:1px solid var(--line-strong);border-radius:18px;padding:22px;
  display:grid;grid-template-columns:repeat(4,1fr);gap:15px;background:rgba(6,16,37,.8);
}
.guarantee{display:flex;gap:11px;align-items:flex-start}
.guarantee i{color:var(--cyan-soft);font-size:1.2rem;margin-top:3px}
.guarantee strong{display:block;font-size:.92rem}
.guarantee span{display:block;color:var(--muted);font-size:.79rem}
.lead-form{
  display:grid;grid-template-columns:minmax(0,.8fr) minmax(360px,1.2fr);gap:28px;align-items:center;
  border:1px solid var(--line-strong);border-radius:22px;padding:30px;
  background:linear-gradient(150deg,rgba(37,99,235,.2),rgba(5,14,31,.86));
}
.lead-form h2{font-size:clamp(1.55rem,3vw,2.35rem);margin:0 0 10px}
.lead-form p{color:var(--muted-2);margin:0}
.form-grid{display:grid;grid-template-columns:1fr 1fr;gap:12px}
.form-grid .full{grid-column:1/-1}
.form-grid input,.form-grid select{
  width:100%;padding:13px 14px;border-radius:11px;border:1px solid var(--line);
  background:rgba(3,7,18,.7);color:#fff;outline:none;
}
.form-grid input:focus,.form-grid select:focus{border-color:var(--cyan);box-shadow:0 0 0 3px rgba(56,189,248,.12)}
.form-note{font-size:.76rem;color:var(--muted);margin-top:9px}
.site-footer{border-top:1px solid var(--line);background:rgba(2,6,15,.88);padding:55px 0 25px}
.footer-grid{display:grid;grid-template-columns:1.35fr .8fr .8fr 1fr;gap:26px}
.footer-brand{font-weight:900;font-size:1.03rem;line-height:1.4;margin-bottom:12px}
.footer-text{color:var(--muted);font-size:.87rem;line-height:1.68}
.footer-title{font-size:.82rem;letter-spacing:.1em;text-transform:uppercase;color:var(--cyan-soft);font-weight:900;margin-bottom:13px}
.footer-links{list-style:none;margin:0;padding:0;display:grid;gap:9px}
.footer-links a{color:var(--muted-2);font-size:.88rem}
.footer-links a:hover{color:var(--cyan-soft)}
.footer-bottom{display:flex;justify-content:space-between;gap:15px;align-items:center;border-top:1px solid var(--line);margin-top:36px;padding-top:20px;color:var(--muted);font-size:.79rem}
.footer-badges{display:flex;gap:8px;flex-wrap:wrap}
.footer-badges span{border:1px solid var(--line);border-radius:999px;padding:4px 8px}
.fab{
  position:fixed;left:16px;bottom:96px;z-index:50;width:58px;height:58px;border-radius:18px;
  display:grid;place-items:center;color:#e0f2fe;font-size:1.22rem;
  background:rgba(7,7,13,.8);border:1px solid transparent;
  background-image:linear-gradient(rgba(7,7,13,.88),rgba(7,7,13,.88)),linear-gradient(135deg,#38bdf8,#2563eb,#a78bfa);
  background-origin:border-box;background-clip:padding-box,border-box;
  box-shadow:0 0 22px rgba(56,189,248,.36);
  opacity:.82;animation:fabPulse 2.8s ease-in-out infinite;
}
.fab:hover{opacity:1;transform:scale(1.07);box-shadow:0 0 34px rgba(56,189,248,.6)}
.fab:active{transform:scale(.95) translateY(2px)}
.fab::after{content:"";position:absolute;top:7px;right:8px;width:8px;height:8px;border-radius:50%;background:#fb7185;box-shadow:0 0 9px #fb7185}
@keyframes fabPulse{0%,100%{box-shadow:0 0 18px rgba(56,189,248,.28)}50%{box-shadow:0 0 32px rgba(56,189,248,.52)}}
.empty-state{border:1px dashed var(--line-strong);border-radius:14px;padding:24px;color:var(--muted);text-align:left}
@media (max-width:1024px){
  .main-nav{display:none}
  .menu-toggle{display:block}
  .brand-name{max-width:340px}
  .hero-shell,.pain-grid,.scene-wrap,.social-grid,.news-layout{grid-template-columns:1fr}
  .pain-intro{position:static}
  .solution-card,.solution-card.wide{grid-column:span 6}
  .pricing-grid{grid-template-columns:1fr 1fr}
  .price-card.featured{transform:none}
  .guarantee-bar{grid-template-columns:1fr 1fr}
  .lead-form{grid-template-columns:1fr}
  .footer-grid{grid-template-columns:1fr 1fr}
}
@media (max-width:768px){
  .section{padding:66px 0}
  .hero{padding:56px 0}
  .hero-title{font-size:clamp(2rem,10vw,3rem)}
  .hero-copy{font-size:1rem}
  .strip-grid{grid-template-columns:1fr 1fr}
  .solution-card,.solution-card.wide{grid-column:span 12}
  .pricing-grid{grid-template-columns:1fr}
  .news-item{grid-template-columns:1fr}
  .news-thumb{height:190px}
  .form-grid{grid-template-columns:1fr}
  .form-grid .full{grid-column:auto}
  .guarantee-bar{grid-template-columns:1fr}
  .footer-grid{grid-template-columns:1fr}
  .footer-bottom{flex-direction:column;align-items:flex-start}
  .nav-actions .login-btn,.nav-actions .signup-btn{display:inline-flex!important}
  .brand-name{max-width:210px;font-size:.78rem}
  .brand-note{display:none}
}
@media (max-width:520px){
  .container{width:min(100% - 22px,var(--container))}
  .nav-shell{gap:8px}
  .brand-mark{width:40px;height:40px;flex-basis:40px}
  .brand-name{max-width:142px;font-size:.72rem}
  .nav-actions{gap:5px}
  .login-btn,.signup-btn{padding:8px 9px;font-size:.75rem}
  .mobile-menu a{font-size:.9rem}
  .metric-row{grid-template-columns:1fr}
  .strip-grid{grid-template-columns:1fr}
  .hero-actions .btn-main,.hero-actions .btn-line{width:100%}
  .lead-form{padding:21px;border-radius:17px}
  .fab{left:12px;bottom:82px;width:54px;height:54px}
}

/* roulang page: article */
:root{
  --bg:#030712;
  --bg-2:#071329;
  --panel:rgba(9,20,43,.78);
  --panel-solid:#0b1730;
  --line:rgba(96,165,250,.22);
  --line-strong:rgba(56,189,248,.48);
  --blue:#2563eb;
  --cyan:#38bdf8;
  --cyan-soft:#7dd3fc;
  --text:#f8fafc;
  --muted:#94a3b8;
  --muted-2:#cbd5e1;
  --gold:#facc15;
  --green:#22c55e;
  --danger:#fb7185;
  --radius:16px;
  --radius-sm:10px;
  --shadow:0 18px 55px rgba(0,0,0,.38);
  --glow:0 0 26px rgba(56,189,248,.24);
  --container:1180px;
}
html{scroll-behavior:smooth}
body{
  margin:0;
  font-family:"Segoe UI",Roboto,Arial,sans-serif;
  color:var(--text);
  background:
    radial-gradient(circle at 15% 0%,rgba(37,99,235,.22),transparent 32rem),
    radial-gradient(circle at 90% 18%,rgba(56,189,248,.13),transparent 28rem),
    linear-gradient(180deg,#030712 0%,#061025 45%,#030712 100%);
  line-height:1.65;
  overflow-x:hidden;
}
body::before{
  content:"";
  position:fixed;
  inset:0;
  pointer-events:none;
  opacity:.18;
  background-image:
    linear-gradient(rgba(56,189,248,.08) 1px,transparent 1px),
    linear-gradient(90deg,rgba(56,189,248,.08) 1px,transparent 1px);
  background-size:48px 48px;
  mask-image:linear-gradient(to bottom,#000,transparent 85%);
}
a{color:inherit;text-decoration:none;transition:.22s ease}
a:hover{color:var(--cyan-soft)}
img{max-width:100%;height:auto;display:block}
button,input,select,textarea{font:inherit}
button{cursor:pointer}
.container{width:min(var(--container),calc(100% - 32px));margin-inline:auto}
.section{padding:88px 0;position:relative}
.section-sm{padding:58px 0}
.section-title{font-size:clamp(1.65rem,3vw,2.6rem);font-weight:800;line-height:1.25;margin:0 0 14px;letter-spacing:0}
.section-lead{color:var(--muted-2);max-width:820px;font-size:1.04rem;margin:0 0 30px;line-height:1.7}
.eyebrow{
  display:inline-flex;align-items:center;gap:8px;
  color:var(--cyan-soft);font-size:.76rem;font-weight:800;letter-spacing:.12em;text-transform:uppercase;
  border:1px solid var(--line-strong);background:rgba(56,189,248,.08);
  padding:7px 11px;border-radius:999px;margin-bottom:18px;
}
.btn-main,.btn-line,.btn-ghost{
  display:inline-flex;align-items:center;justify-content:center;gap:9px;
  min-height:48px;padding:12px 19px;border-radius:12px;font-weight:800;border:1px solid transparent;
  transition:.22s ease;text-align:center;
}
.btn-main{
  color:#03111e;
  background:linear-gradient(135deg,#38bdf8,#60a5fa 55%,#2563eb);
  box-shadow:0 0 24px rgba(56,189,248,.35),0 10px 22px rgba(0,0,0,.25);
}
.btn-main:hover{color:#02101d;transform:translateY(-2px);box-shadow:0 0 34px rgba(56,189,248,.54),0 14px 28px rgba(0,0,0,.34)}
.btn-main:active{transform:translateY(0) scale(.98)}
.btn-line{color:var(--text);border-color:var(--line-strong);background:rgba(8,20,43,.58)}
.btn-line:hover{color:var(--cyan-soft);border-color:var(--cyan);background:rgba(56,189,248,.11);transform:translateY(-2px)}
.btn-ghost{color:var(--muted-2);border-color:var(--line);background:transparent;min-height:42px;padding:9px 14px}
.btn-ghost:hover{color:var(--cyan-soft);border-color:var(--cyan)}
.badge-tech{
  display:inline-flex;align-items:center;gap:7px;padding:5px 9px;border-radius:999px;
  background:rgba(34,197,94,.11);border:1px solid rgba(34,197,94,.28);color:#86efac;
  font-size:.72rem;font-weight:800;text-transform:uppercase;letter-spacing:.05em;
}
.badge-blue{background:rgba(56,189,248,.11);border-color:rgba(56,189,248,.35);color:var(--cyan-soft)}
.badge-gold{background:rgba(250,204,21,.12);border-color:rgba(250,204,21,.32);color:#fde68a}
.site-header{
  position:sticky;top:0;z-index:1000;
  background:rgba(3,7,18,.83);
  backdrop-filter:blur(18px);
  border-bottom:1px solid rgba(96,165,250,.17);
}
.navbar{padding:13px 0}
.nav-shell{display:flex;align-items:center;gap:18px}
.brand{display:flex;align-items:center;gap:11px;min-width:0;flex:1}
.brand-mark{
  width:44px;height:44px;border-radius:13px;flex:0 0 44px;
  display:grid;place-items:center;
  background:linear-gradient(145deg,rgba(56,189,248,.25),rgba(37,99,235,.14));
  border:1px solid rgba(125,211,252,.4);
  box-shadow:var(--glow);
  color:var(--cyan-soft);font-size:1.1rem;
}
.brand-copy{min-width:0}
.brand-name{
  display:block;font-size:.92rem;font-weight:900;line-height:1.25;
  white-space:nowrap;overflow:hidden;text-overflow:ellipsis;max-width:430px;
}
.brand-note{font-size:.72rem;color:var(--muted);line-height:1.3}
.main-nav{display:flex;align-items:center;gap:6px}
.main-nav a{
  padding:9px 11px;border-radius:10px;color:var(--muted-2);font-size:.9rem;font-weight:700;
  border:1px solid transparent;
}
.main-nav a:hover{background:rgba(56,189,248,.08);border-color:var(--line)}
.main-nav a.active{color:var(--cyan-soft);background:rgba(56,189,248,.11);border-color:var(--line-strong)}
.nav-actions{display:flex;align-items:center;gap:9px}
.login-btn{
  color:#dbeafe;border:1px solid rgba(147,197,253,.36);background:transparent;
  padding:9px 12px;border-radius:10px;font-weight:800;font-size:.88rem;
}
.login-btn:hover{color:#fff;border-color:var(--cyan);background:rgba(56,189,248,.08)}
.signup-btn{padding:9px 14px;border-radius:10px;color:#04111d;background:linear-gradient(135deg,#7dd3fc,#38bdf8,#2563eb);font-weight:900;font-size:.88rem;border:0}
.signup-btn:hover{color:#04111d;box-shadow:0 0 22px rgba(56,189,248,.48);transform:translateY(-1px)}
.menu-toggle{
  display:none;width:46px;height:44px;border-radius:11px;border:1px solid var(--line-strong);
  background:rgba(8,20,43,.7);color:var(--text);
}
.mobile-menu{
  display:none;padding:12px 0 17px;border-top:1px solid var(--line);
}
.mobile-menu.open{display:block}
.mobile-menu a{display:block;padding:11px 10px;border-radius:9px;color:var(--muted-2);font-weight:750}
.mobile-menu a.active,.mobile-menu a:hover{background:rgba(56,189,248,.1);color:var(--cyan-soft)}
.article-hero{
  position:relative;padding:68px 0 58px;overflow:hidden;
  border-bottom:1px solid var(--line);
}
.article-hero::before{
  content:"";position:absolute;inset:0;z-index:-2;
  background:linear-gradient(90deg,rgba(3,7,18,.96) 0%,rgba(3,7,18,.78) 52%,rgba(3,7,18,.58) 100%),url("/assets/images/2862a3769edf3e26.jpg") center/cover;
}
.article-hero::after{
  content:"";position:absolute;right:-140px;top:-150px;width:520px;height:520px;border-radius:50%;
  background:radial-gradient(circle,rgba(56,189,248,.22),transparent 66%);z-index:-1;
}
.article-head-grid{display:grid;grid-template-columns:minmax(0,1.15fr) minmax(280px,.85fr);gap:38px;align-items:end}
.article-h1{font-size:clamp(2rem,4.5vw,3.8rem);font-weight:900;line-height:1.18;margin:14px 0 18px;letter-spacing:0}
.article-lead{color:var(--muted-2);font-size:1.07rem;max-width:800px;margin:0 0 22px;line-height:1.72}
.article-meta{display:flex;flex-wrap:wrap;gap:10px;align-items:center;color:var(--muted);font-size:.88rem}
.article-meta span{display:inline-flex;align-items:center;gap:7px;background:rgba(8,20,43,.62);border:1px solid var(--line);padding:7px 11px;border-radius:999px}
.article-cover{
  position:relative;border:1px solid var(--line-strong);border-radius:var(--radius);overflow:hidden;
  box-shadow:var(--shadow),var(--glow);background:var(--panel);
}
.article-cover img{width:100%;aspect-ratio:16/11;object-fit:cover}
.article-cover-caption{
  padding:13px 15px;background:rgba(3,7,18,.84);color:var(--muted-2);font-size:.86rem;
  border-top:1px solid var(--line);
}
.article-layout{display:grid;grid-template-columns:minmax(0,1fr) 320px;gap:34px;align-items:start}
.article-content{
  background:linear-gradient(180deg,rgba(9,20,43,.78),rgba(7,19,41,.64));
  border:1px solid var(--line);border-radius:var(--radius);padding:34px;
  box-shadow:var(--shadow);
}
.article-content h2,.article-content h3{font-weight:900;letter-spacing:0;line-height:1.3;margin-top:1.8em;margin-bottom:.7em}
.article-content h2{font-size:clamp(1.45rem,2.5vw,2.05rem)}
.article-content h3{font-size:1.25rem;color:var(--cyan-soft)}
.article-content p,.article-content li{color:var(--muted-2);line-height:1.72}
.article-content p{margin:0 0 1.1rem}
.article-content ul,.article-content ol{padding-left:1.25rem;margin:0 0 1.2rem}
.article-content li{margin-bottom:.55rem}
.article-content a{color:var(--cyan-soft);text-decoration:underline;text-decoration-color:rgba(125,211,252,.4)}
.article-content img{border-radius:var(--radius-sm);margin:24px 0;border:1px solid var(--line)}
.article-content blockquote{
  margin:26px 0;padding:20px 22px;border-left:3px solid var(--cyan);
  background:rgba(56,189,248,.08);border-radius:0 var(--radius-sm) var(--radius-sm) 0;
  color:#e0f2fe;font-size:1.05rem;
}
.article-content table{width:100%;border-collapse:collapse;margin:22px 0;background:rgba(3,7,18,.35)}
.article-content th,.article-content td{border:1px solid var(--line);padding:12px 13px;text-align:left}
.article-content th{background:rgba(56,189,248,.1);color:#e0f2fe}
.article-content code{background:rgba(56,189,248,.1);color:#bae6fd;padding:2px 6px;border-radius:6px}
.article-empty{
  text-align:center;padding:52px 20px;border:1px dashed var(--line-strong);border-radius:var(--radius);
  background:rgba(56,189,248,.05);
}
.article-empty i{font-size:2.2rem;color:var(--cyan-soft);margin-bottom:14px}
.article-empty h2{font-size:1.6rem;margin:0 0 8px}
.article-empty p{color:var(--muted-2);margin:0 0 20px}
.sidebar{display:grid;gap:18px;position:sticky;top:96px}
.side-panel{
  background:linear-gradient(180deg,rgba(11,23,48,.92),rgba(7,19,41,.78));
  border:1px solid var(--line);border-radius:var(--radius);padding:22px;
}
.side-panel h3{font-size:1rem;font-weight:900;margin:0 0 13px}
.side-list{list-style:none;margin:0;padding:0}
.side-list li{display:flex;gap:10px;padding:11px 0;border-bottom:1px solid rgba(96,165,250,.13);color:var(--muted-2)}
.side-list li:last-child{border-bottom:0}
.side-list i{color:var(--cyan-soft);margin-top:5px}
.side-cta p{color:var(--muted-2);font-size:.92rem;margin:0 0 16px}
.pull-quote{
  margin:0;padding:26px 28px;border:1px solid var(--line-strong);border-left:4px solid var(--cyan);
  background:linear-gradient(135deg,rgba(56,189,248,.12),rgba(37,99,235,.07));
  border-radius:0 var(--radius) var(--radius) 0;color:#e0f2fe;font-size:1.08rem;font-weight:700;
}
.article-band-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:18px}
.article-band-item{
  padding:22px;border:1px solid var(--line);border-radius:var(--radius);background:var(--panel);
  transition:.22s ease;
}
.article-band-item:hover{transform:translateY(-4px);border-color:var(--line-strong);box-shadow:var(--glow)}
.article-band-item i{font-size:1.35rem;color:var(--cyan-soft);margin-bottom:13px}
.article-band-item h3{font-size:1.02rem;font-weight:900;margin:0 0 8px}
.article-band-item p{color:var(--muted-2);font-size:.93rem;margin:0;line-height:1.65}
.article-cta{
  display:flex;align-items:center;justify-content:space-between;gap:24px;
  padding:28px;border:1px solid var(--line-strong);border-radius:var(--radius);
  background:linear-gradient(135deg,rgba(37,99,235,.22),rgba(56,189,248,.09));
  box-shadow:var(--glow);
}
.article-cta h2{font-size:clamp(1.3rem,2.5vw,2rem);font-weight:900;margin:0 0 7px}
.article-cta p{color:var(--muted-2);margin:0;max-width:720px}
.article-cta .actions{display:flex;gap:10px;flex-wrap:wrap;flex:0 0 auto}
.site-footer{
  margin-top:30px;padding:62px 0 26px;background:#020611;border-top:1px solid var(--line);
}
.footer-grid{display:grid;grid-template-columns:1.5fr 1fr 1fr 1.15fr;gap:30px}
.footer-brand{font-weight:900;font-size:1rem;line-height:1.4;margin-bottom:12px}
.footer-title{font-weight:900;font-size:.93rem;margin-bottom:13px}
.footer-text{color:var(--muted);font-size:.9rem;line-height:1.65;margin:0}
.footer-links{list-style:none;padding:0;margin:0}
.footer-links li{margin-bottom:9px;color:var(--muted)}
.footer-links a{color:var(--muted-2)}
.footer-links a:hover{color:var(--cyan-soft)}
.footer-bottom{
  display:flex;align-items:center;justify-content:space-between;gap:18px;flex-wrap:wrap;
  margin-top:38px;padding-top:22px;border-top:1px solid rgba(96,165,250,.16);color:var(--muted);font-size:.85rem;
}
.footer-badges{display:flex;gap:8px;flex-wrap:wrap}
.footer-badges span{padding:5px 9px;border:1px solid var(--line);border-radius:999px;color:var(--muted-2);font-size:.78rem}
.fab-support{
  position:fixed;left:16px;bottom:96px;z-index:50;width:58px;height:58px;border-radius:50%;
  display:grid;place-items:center;color:#04111d;
  background:linear-gradient(135deg,#7dd3fc,#38bdf8,#2563eb);
  border:1px solid rgba(224,242,254,.65);
  box-shadow:0 0 24px rgba(56,189,248,.45);
  opacity:.86;transition:.22s ease;
}
.fab-support:hover{opacity:1;transform:scale(1.08);color:#03111e}
.fab-support::after{
  content:"";position:absolute;top:5px;right:5px;width:12px;height:12px;border-radius:50%;
  background:var(--danger);border:2px solid #fff;box-shadow:0 0 12px rgba(251,113,133,.8);
}
:focus-visible{outline:3px solid rgba(125,211,252,.78);outline-offset:3px}
@media (max-width:1024px){
  .main-nav{display:none}
  .menu-toggle{display:grid;place-items:center}
  .article-head-grid,.article-layout{grid-template-columns:1fr}
  .sidebar{position:static}
  .article-band-grid{grid-template-columns:repeat(2,1fr)}
  .footer-grid{grid-template-columns:repeat(2,1fr)}
}
@media (max-width:768px){
  .section{padding:66px 0}
  .brand-name{max-width:260px;font-size:.86rem}
  .brand-note{display:none}
  .login-btn,.signup-btn{padding:8px 10px;font-size:.8rem}
  .article-hero{padding:48px 0 42px}
  .article-content{padding:24px}
  .article-cta{align-items:flex-start;flex-direction:column}
  .article-band-grid{grid-template-columns:1fr}
}
@media (max-width:520px){
  .container{width:min(100% - 22px,var(--container))}
  .nav-shell{gap:8px}
  .brand-mark{width:40px;height:40px;flex-basis:40px}
  .brand-name{max-width:170px;font-size:.78rem;white-space:normal;display:-webkit-box;-webkit-line-clamp:2;-webkit-box-orient:vertical}
  .nav-actions{gap:5px}
  .login-btn{display:none}
  .signup-btn{padding:8px 9px;font-size:.76rem}
  .menu-toggle{width:42px;height:40px}
  .article-h1{font-size:1.8rem}
  .article-content{border-radius:12px;padding:18px}
  .footer-grid{grid-template-columns:1fr}
  .footer-bottom{display:block}
  .footer-badges{margin-top:12px}
}

/* roulang page: category1 */
:root{
  --bg:#030712;
  --bg-2:#071329;
  --panel:rgba(9,20,43,.78);
  --panel-solid:#0b1730;
  --line:rgba(96,165,250,.22);
  --line-strong:rgba(56,189,248,.48);
  --blue:#2563eb;
  --cyan:#38bdf8;
  --cyan-soft:#7dd3fc;
  --text:#f8fafc;
  --muted:#94a3b8;
  --muted-2:#cbd5e1;
  --gold:#facc15;
  --green:#22c55e;
  --danger:#fb7185;
  --radius:16px;
  --radius-sm:10px;
  --shadow:0 18px 55px rgba(0,0,0,.38);
  --glow:0 0 26px rgba(56,189,248,.24);
  --container:1180px;
}
*,*::before,*::after{box-sizing:border-box}
html{scroll-behavior:smooth;-webkit-text-size-adjust:100%}
body{
  margin:0;
  font-family:"Segoe UI",Roboto,Arial,sans-serif;
  color:var(--text);
  background:
    radial-gradient(circle at 15% 0%,rgba(37,99,235,.22),transparent 32rem),
    radial-gradient(circle at 90% 18%,rgba(56,189,248,.13),transparent 28rem),
    linear-gradient(180deg,#030712 0%,#061025 45%,#030712 100%);
  line-height:1.65;
  overflow-x:hidden;
}
body::before{
  content:"";position:fixed;inset:0;pointer-events:none;opacity:.18;z-index:0;
  background-image:
    linear-gradient(rgba(56,189,248,.08) 1px,transparent 1px),
    linear-gradient(90deg,rgba(56,189,248,.08) 1px,transparent 1px);
  background-size:48px 48px;
  mask-image:linear-gradient(to bottom,#000,transparent 85%);
  -webkit-mask-image:linear-gradient(to bottom,#000,transparent 85%);
}
a{color:inherit;text-decoration:none;transition:.22s ease}
a:hover{color:var(--cyan-soft)}
img{max-width:100%;height:auto;display:block}
button,input,select,textarea{font:inherit}
button{cursor:pointer}
.container{width:min(var(--container),calc(100% - 32px));margin-inline:auto;position:relative;z-index:1}
.section{padding:84px 0;position:relative;z-index:1}
.section-sm{padding:56px 0;position:relative;z-index:1}
.section-alt{background:linear-gradient(180deg,rgba(5,12,28,.55),rgba(5,12,28,.1));border-top:1px solid rgba(96,165,250,.13);border-bottom:1px solid rgba(96,165,250,.13)}
.section-title{font-size:clamp(1.6rem,3vw,2.5rem);font-weight:800;line-height:1.25;margin:0 0 14px;letter-spacing:0}
.section-lead{color:var(--muted-2);max-width:820px;font-size:1.03rem;margin:0 0 30px;line-height:1.7}
.eyebrow{
  display:inline-flex;align-items:center;gap:8px;
  color:var(--cyan-soft);font-size:.76rem;font-weight:800;letter-spacing:.12em;text-transform:uppercase;
  border:1px solid var(--line-strong);background:rgba(56,189,248,.08);
  padding:7px 11px;border-radius:999px;margin-bottom:18px;
}
.btn-main,.btn-line,.btn-ghost{
  display:inline-flex;align-items:center;justify-content:center;gap:9px;
  min-height:48px;padding:12px 19px;border-radius:12px;font-weight:800;border:1px solid transparent;
  transition:.22s ease;text-align:center;
}
.btn-main{
  color:#03111e;
  background:linear-gradient(135deg,#38bdf8,#60a5fa 55%,#2563eb);
  box-shadow:0 0 24px rgba(56,189,248,.35),0 10px 22px rgba(0,0,0,.25);
}
.btn-main:hover{color:#02101d;transform:translateY(-2px);box-shadow:0 0 34px rgba(56,189,248,.54),0 14px 28px rgba(0,0,0,.34)}
.btn-main:active{transform:translateY(0) scale(.98)}
.btn-line{color:var(--text);border-color:var(--line-strong);background:rgba(8,20,43,.58)}
.btn-line:hover{color:var(--cyan-soft);border-color:var(--cyan);background:rgba(56,189,248,.11);transform:translateY(-2px)}
.btn-ghost{color:var(--muted-2);border-color:var(--line);background:transparent;min-height:42px;padding:9px 14px}
.btn-ghost:hover{color:var(--cyan-soft);border-color:var(--cyan)}
.btn-main:focus-visible,.btn-line:focus-visible,.btn-ghost:focus-visible,a:focus-visible{outline:2px solid var(--cyan);outline-offset:2px}
.badge-tech{
  display:inline-flex;align-items:center;gap:7px;padding:5px 9px;border-radius:999px;
  background:rgba(34,197,94,.11);border:1px solid rgba(34,197,94,.28);color:#86efac;
  font-size:.72rem;font-weight:800;text-transform:uppercase;letter-spacing:.05em;
}
.badge-blue{background:rgba(56,189,248,.11);border-color:rgba(56,189,248,.35);color:var(--cyan-soft)}
.badge-gold{background:rgba(250,204,21,.12);border-color:rgba(250,204,21,.32);color:#fde68a}

/* ---------- HEADER ---------- */
.site-header{
  position:sticky;top:0;z-index:1000;
  background:rgba(3,7,18,.83);
  backdrop-filter:blur(18px);
  -webkit-backdrop-filter:blur(18px);
  border-bottom:1px solid rgba(96,165,250,.17);
}
.navbar{padding:13px 0}
.nav-shell{display:flex;align-items:center;gap:18px}
.brand{display:flex;align-items:center;gap:11px;min-width:0;flex:1}
.brand-mark{
  width:44px;height:44px;border-radius:13px;flex:0 0 44px;
  display:grid;place-items:center;
  background:linear-gradient(145deg,rgba(56,189,248,.25),rgba(37,99,235,.14));
  border:1px solid rgba(125,211,252,.4);
  box-shadow:var(--glow);
  color:var(--cyan-soft);font-size:1.1rem;
}
.brand-copy{min-width:0}
.brand-name{
  display:block;font-size:.92rem;font-weight:900;line-height:1.25;
  white-space:nowrap;overflow:hidden;text-overflow:ellipsis;max-width:430px;
}
.brand-note{font-size:.72rem;color:var(--muted);line-height:1.3}
.main-nav{display:flex;align-items:center;gap:6px}
.main-nav a{
  padding:9px 11px;border-radius:10px;color:var(--muted-2);font-size:.9rem;font-weight:700;
  border:1px solid transparent;
}
.main-nav a:hover{background:rgba(56,189,248,.08);border-color:var(--line)}
.main-nav a.active{color:var(--cyan-soft);background:rgba(56,189,248,.11);border-color:var(--line-strong)}
.nav-actions{display:flex;align-items:center;gap:9px}
.login-btn{
  color:#dbeafe;border:1px solid rgba(147,197,253,.36);background:transparent;
  padding:9px 12px;border-radius:10px;font-weight:800;font-size:.88rem;
}
.login-btn:hover{color:#fff;border-color:var(--cyan);background:rgba(56,189,248,.08)}
.signup-btn{padding:9px 14px;border-radius:10px;color:#04111d;background:linear-gradient(135deg,#7dd3fc,#38bdf8,#2563eb);font-weight:900;font-size:.88rem;border:0}
.signup-btn:hover{color:#04111d;box-shadow:0 0 22px rgba(56,189,248,.48);transform:translateY(-1px)}
.menu-toggle{
  display:none;width:46px;height:44px;border-radius:11px;border:1px solid var(--line-strong);
  background:rgba(8,20,43,.7);color:var(--text);
}
.mobile-menu{display:none;padding:12px 0 17px;border-top:1px solid var(--line)}
.mobile-menu.open{display:block}
.mobile-menu a{display:block;padding:11px 10px;border-radius:9px;color:var(--muted-2);font-weight:700}
.mobile-menu a.active,.mobile-menu a:hover{background:rgba(56,189,248,.1);color:var(--cyan-soft)}

/* ---------- HERO ---------- */
.hero{padding:74px 0 62px;position:relative;overflow:hidden}
.hero::before{
  content:"";position:absolute;inset:0;z-index:-2;
  background:
    linear-gradient(90deg,rgba(3,7,18,.96) 0%,rgba(3,7,18,.82) 48%,rgba(3,7,18,.55) 100%),
    url("/assets/images/2862a3769edf3e26.jpg") center/cover no-repeat;
}
.hero::after{
  content:"";position:absolute;right:-120px;top:-140px;width:540px;height:540px;border-radius:50%;
  background:radial-gradient(circle,rgba(56,189,248,.24),transparent 66%);z-index:-1;
}
.hero-shell{display:grid;grid-template-columns:minmax(0,1.12fr) minmax(300px,.88fr);gap:42px;align-items:center}
.hero-title{font-size:clamp(2rem,4.6vw,3.5rem);font-weight:900;line-height:1.16;margin:0 0 16px;letter-spacing:-.01em}
.hero-title .hl{background:linear-gradient(120deg,#7dd3fc,#38bdf8 45%,#facc15);-webkit-background-clip:text;background-clip:text;color:transparent}
.hero-lead{color:var(--muted-2);font-size:1.06rem;max-width:640px;line-height:1.7;margin:0 0 24px}
.hero-cta{display:flex;gap:12px;flex-wrap:wrap;margin-bottom:8px}
.hero-panel{
  border-radius:20px;border:1px solid var(--line-strong);
  background:linear-gradient(165deg,rgba(11,23,48,.92),rgba(4,10,24,.86));
  box-shadow:var(--shadow);padding:20px;backdrop-filter:blur(16px);
}
.hero-panel img{border-radius:13px;border:1px solid var(--line);aspect-ratio:16/10;object-fit:cover;width:100%}
.hero-mini{display:grid;grid-template-columns:repeat(3,1fr);gap:10px;margin-top:16px}
.hero-mini div{background:rgba(3,7,18,.62);border:1px solid var(--line);border-radius:12px;padding:11px 12px}
.hero-mini strong{display:block;font-size:1.02rem;color:#fff;font-weight:900}
.hero-mini span{font-size:.72rem;color:var(--muted);line-height:1.4;display:block}
.node-strip{display:grid;grid-template-columns:repeat(4,minmax(0,1fr));gap:14px;margin-top:36px}
.node{padding:15px;border-radius:14px;border:1px solid var(--line);background:rgba(5,12,28,.72);position:relative}
.node::after{content:"";position:absolute;top:29px;right:-14px;width:14px;height:1px;background:var(--line-strong)}
.node:last-child::after{display:none}
.node-tag{font-size:.68rem;font-weight:900;letter-spacing:.1em;text-transform:uppercase;color:var(--cyan)}
.node-title{font-weight:800;font-size:.95rem;margin-top:6px;color:#fff}
.node-text{font-size:.82rem;color:var(--muted);line-height:1.55}
.subscribe-row{display:flex;gap:10px;flex-wrap:wrap;margin-top:22px;max-width:560px}
.subscribe-row input{
  flex:1 1 260px;padding:13px 15px;border-radius:12px;color:#fff;
  border:1px solid var(--line-strong);background:rgba(3,7,18,.72);
}
.subscribe-row input::placeholder{color:#64748b}
.subscribe-row input:focus{outline:2px solid rgba(56,189,248,.5);outline-offset:1px;border-color:var(--cyan)}

/* ---------- GENERIC GRIDS ---------- */
.grid-2{display:grid;grid-template-columns:repeat(2,minmax(0,1fr));gap:24px}
.grid-3{display:grid;grid-template-columns:repeat(3,minmax(0,1fr));gap:22px}
.grid-4{display:grid;grid-template-columns:repeat(4,minmax(0,1fr));gap:18px}
.split{display:grid;grid-template-columns:minmax(0,1fr) minmax(0,1.25fr);gap:40px;align-items:start}

/* ---------- STATS ---------- */
.stat-card{
  padding:22px 20px;border-radius:var(--radius);border:1px solid var(--line);
  background:linear-gradient(160deg,rgba(11,23,48,.9),rgba(7,19,41,.6));
  position:relative;overflow:hidden;transition:.25s ease;
}
.stat-card:hover{border-color:var(--line-strong);transform:translateY(-3px);box-shadow:var(--glow)}
.stat-card::before{content:"";position:absolute;inset:0 0 auto 0;height:2px;background:linear-gradient(90deg,transparent,var(--cyan),transparent);opacity:.75}
.stat-value{font-size:1.85rem;font-weight:900;color:#fff;letter-spacing:-.02em;line-height:1.2}
.stat-label{color:var(--muted);font-size:.85rem;margin-top:5px;line-height:1.5}

/* ---------- FEATURES ---------- */
.feature-card{
  padding:26px 24px;border-left:2px solid var(--line-strong);
  background:linear-gradient(135deg,rgba(9,20,43,.82),rgba(3,7,18,.38));
  border-radius:0 var(--radius) var(--radius) 0;transition:.25s ease;height:100%;
}
.feature-card:hover{background:rgba(56,189,248,.08);transform:translateX(3px)}
.feature-icon{font-size:1.35rem;color:var(--cyan);margin-bottom:12px;display:block}
.feature-card h3{font-size:1.1rem;font-weight:800;margin:0 0 9px;color:#fff}
.feature-card p{margin:0;color:var(--muted-2);font-size:.95rem;line-height:1.68}

/* ---------- ROADMAP ---------- */
.roadmap{list-style:none;margin:0;padding:0;display:grid;gap:14px}
.roadmap-item{
  display:grid;grid-template-columns:110px minmax(0,1fr);gap:20px;align-items:start;
  padding:20px 22px;border:1px solid var(--line);border-radius:var(--radius);
  background:rgba(9,20,43,.55);transition:.25s ease;
}
.roadmap-item:hover{border-color:var(--line-strong);background:rgba(56,189,248,.06)}
.roadmap-ver{font-weight:900;color:var(--cyan-soft);letter-spacing:.05em;font-size:.95rem}
.roadmap-ver small{display:block;color:var(--muted);font-weight:600;font-size:.72rem;letter-spacing:.02em}
.roadmap-body h3{margin:0 0 7px;font-size:1.05rem;font-weight:800;color:#fff}
.roadmap-body p{margin:0;color:var(--muted-2);font-size:.94rem;line-height:1.68}

/* ---------- TIME TABLE ---------- */
.time-table{width:100%;border-collapse:separate;border-spacing:0;border:1px solid var(--line);border-radius:var(--radius);overflow:hidden}
.time-table th{
  background:rgba(56,189,248,.09);color:var(--cyan-soft);font-size:.76rem;
  text-transform:uppercase;letter-spacing:.07em;padding:14px 16px;text-align:left;font-weight:800;
}
.time-table td{padding:15px 16px;border-top:1px solid var(--line);font-size:.94rem;color:var(--muted-2);line-height:1.6}
.time-table tbody tr:hover td{background:rgba(56,189,248,.05);color:#fff}
.time-table .rtp-cell{color:#86efac;font-weight:800}

/* ---------- SHOTS ---------- */
.shot-grid{display:grid;grid-template-columns:1.45fr 1fr;gap:18px}
.shot{position:relative;border-radius:var(--radius);overflow:hidden;border:1px solid var(--line);min-height:220px}
.shot img{width:100%;height:100%;object-fit:cover;transition:transform .45s ease}
.shot:hover img{transform:scale(1.05)}
.shot-cap{position:absolute;left:0;right:0;bottom:0;padding:16px 18px;background:linear-gradient(to top,rgba(3,7,18,.95),transparent)}
.shot-cap strong{display:block;font-size:.98rem;color:#fff}
.shot-cap span{font-size:.8rem;color:var(--muted-2)}
.shot-col{display:grid;gap:18px}

/* ---------- QUOTES ---------- */
.quote-card{padding:24px;border-radius:var(--radius);border:1px solid var(--line);background:rgba(9,20,43,.6);height:100%;transition:.25s ease}
.quote-card:hover{border-color:var(--line-strong);box-shadow:var(--glow)}
.quote-stars{color:var(--gold);font-size:.82rem;margin-bottom:10px;letter-spacing:2px}
.quote-text{color:var(--muted-2);line-height:1.7;font-size:.95rem;margin:0}
.quote-meta{margin-top:14px;font-size:.85rem;color:var(--cyan-soft);font-weight:700}

/* ---------- PLANS ---------- */
.plan-card{
  padding:28px 24px;border-radius:var(--radius);border:1px solid var(--line);
  background:linear-gradient(170deg,rgba(11,23,48,.92),rgba(5,12,28,.75));
  display:flex;flex-direction:column;gap:14px;transition:.25s ease;height:100%;
}
.plan-card:hover{transform:translateY(-4px);border-color:var(--line-strong);box-shadow:var(--glow)}
.plan-card.featured{border-color:var(--line-strong);box-shadow:0 0 34px rgba(56,189,248,.2)}
.plan-name{font-weight:800;font-size:1.08rem;color:#fff;margin:0}
.plan-price{font-size:1.95rem;font-weight:900;color:#fff;line-height:1.1}
.plan-price small{font-size:.82rem;color:var(--muted);font-weight:600;display:block;margin-top:4px}
.plan-list{list-style:none;padding:0;margin:0;display:grid;gap:10px;font-size:.92rem;color:var(--muted-2)}
.plan-list li{display:flex;gap:9px;align-items:flex-start;line-height:1.55}
.plan-list i{color:var(--cyan);margin-top:5px;font-size:.7rem}
.plan-card .btn-line,.plan-card .btn-main{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-sm);background:rgba(9,20,43,.55);overflow:hidden;transition:.22s ease}
.faq-item summary{
  list-style:none;cursor:pointer;padding:17px 20px;font-weight:750;font-size:1rem;
  display:flex;justify-content:space-between;gap:14px;align-items:center;color:var(--text);
}
.faq-item summary::-webkit-details-marker{display:none}
.faq-item summary::after{content:"+";color:var(--cyan);font-size:1.4rem;font-weight:700;line-height:1}
.faq-item[open] summary::after{content:"–"}
.faq-item[open]{border-color:var(--line-strong);background:rgba(56,189,248,.07)}
.faq-item[open] summary{color:#fff}
.faq-body{padding:0 20px 19px;color:var(--muted-2);font-size:.95rem;line-height:1.7}

/* ---------- CTA ---------- */
.cta-panel{
  padding:46px 38px;border-radius:22px;border:1px solid var(--line-strong);
  background:linear-gradient(135deg,rgba(37,99,235,.26),rgba(56,189,248,.12)),rgba(5,12,28,.86);
  text-align:center;box-shadow:var(--shadow);
}
.cta-panel h2{font-size:clamp(1.5rem,3vw,2.2rem);font-weight:900;margin:0 0 12px}
.cta-panel p{color:var(--muted-2);max-width:700px;margin:0 auto;line-height:1.7}
.signup-form{display:flex;gap:12px;justify-content:center;flex-wrap:wrap;margin-top:24px}
.signup-form input{
  min-width:250px;padding:13px 16px;border-radius:12px;color:#fff;
  border:1px solid var(--line-strong);background:rgba(3,7,18,.72);
}
.signup-form input::placeholder{color:#64748b}
.signup-form input:focus{outline:2px solid rgba(56,189,248,.5);outline-offset:1px;border-color:var(--cyan)}
.cta-note{margin-top:16px;font-size:.82rem;color:var(--muted)}

/* ---------- FAB ---------- */
.fab{
  position:fixed;left:16px;bottom:96px;z-index:50;width:56px;height:56px;border-radius:18px;
  display:grid;place-items:center;color:#7dd3fc;font-size:1.15rem;
  background-image:linear-gradient(rgba(7,19,41,.86),rgba(7,19,41,.86)),linear-gradient(135deg,#38bdf8,#2563eb);
  background-origin:border-box;background-clip:padding-box,border-box;
  border:1px solid transparent;box-shadow:0 0 20px rgba(56,189,248,.45);
  opacity:.78;transition:.25s ease;backdrop-filter:blur(12px);
}
.fab:hover{opacity:1;transform:scale(1.08);color:#e0f2fe;box-shadow:0 0 32px rgba(56,189,248,.72)}
.fab:active{transform:scale(.94);background-image:linear-gradient(rgba(30,10,40,.9),rgba(30,10,40,.9)),linear-gradient(135deg,#f472b6,#22d3ee)}
.fab::after{
  content:"";position:absolute;top:7px;right:7px;width:10px;height:10px;border-radius:50%;
  background:#f43f5e;box-shadow:0 0 0 2px #030712;animation:fabPulse 1.7s ease-in-out infinite;
}
@keyframes fabPulse{0%,100%{opacity:1;transform:scale(1)}50%{opacity:.45;transform:scale(.82)}}

/* ---------- FOOTER ---------- */
.site-footer{
  border-top:1px solid rgba(96,165,250,.2);
  background:linear-gradient(180deg,rgba(5,12,28,.6),rgba(2,5,14,.96));
  padding:62px 0 26px;position:relative;z-index:1;
}
.footer-grid{display:grid;grid-template-columns:1.5fr 1fr 1fr 1.2fr;gap:30px}
.footer-brand{font-weight:900;font-size:1rem;margin-bottom:12px;color:#fff;line-height:1.4}
.footer-text{color:var(--muted);font-size:.9rem;line-height:1.68;margin:0}
.footer-title{font-weight:800;color:#fff;margin-bottom:13px;font-size:.95rem}
.footer-links{list-style:none;padding:0;margin:0;display:grid;gap:9px}
.footer-links a,.footer-links span{color:var(--muted);font-size:.9rem}
.footer-links a:hover{color:var(--cyan-soft)}
.footer-bottom{
  display:flex;justify-content:space-between;gap:16px;flex-wrap:wrap;align-items:center;
  margin-top:42px;padding-top:20px;border-top:1px solid var(--line);color:var(--muted);font-size:.85rem;
}
.footer-badges{display:flex;gap:9px;flex-wrap:wrap}
.footer-badges span{border:1px solid var(--line);border-radius:999px;padding:5px 11px;font-size:.75rem;color:var(--muted-2)}

/* ---------- RESPONSIVE ---------- */
@media (max-width:1024px){
  .hero-shell{grid-template-columns:1fr;gap:34px}
  .split{grid-template-columns:1fr;gap:28px}
  .grid-4{grid-template-columns:repeat(2,minmax(0,1fr))}
  .grid-3{grid-template-columns:repeat(2,minmax(0,1fr))}
  .shot-grid{grid-template-columns:1fr}
  .footer-grid{grid-template-columns:1fr 1fr;gap:26px}
  .main-nav{display:none}
  .menu-toggle{display:grid;place-items:center}
  .brand-name{max-width:300px;font-size:.85rem}
  .node-strip{grid-template-columns:repeat(2,minmax(0,1fr))}
  .node:nth-child(2)::after{display:none}
}
@media (max-width:768px){
  .section{padding:60px 0}
  .hero{padding:52px 0 46px}
  .grid-2,.grid-3,.grid-4{grid-template-columns:1fr}
  .hero-mini{grid-template-columns:1fr 1fr}
  .brand-note{display:none}
  .brand-name{max-width:190px}
  .cta-panel{padding:32px 20px}
  .footer-grid{grid-template-columns:1fr}
  .roadmap-item{grid-template-columns:1fr;gap:8px}
  .time-table th,.time-table td{padding:12px 13px;font-size:.86rem}
}
@media (max-width:520px){
  .container{width:calc(100% - 24px)}
  .hero-title{font-size:1.72rem}
  .node-strip{grid-template-columns:1fr}
  .node::after{display:none}
  .hero-mini{grid-template-columns:1fr}
  .login-btn{padding:8px 10px;font-size:.8rem}
  .signup-btn{padding:8px 11px;font-size:.8rem}
  .subscribe-row input{flex:1 1 100%}
  .signup-form input{min-width:100%}
  .fab{bottom:78px;width:52px;height:52px}
}

/* roulang page: category3 */
:root{
  --bg:#030712;
  --bg-2:#071329;
  --panel:rgba(9,20,43,.78);
  --panel-solid:#0b1730;
  --line:rgba(96,165,250,.22);
  --line-strong:rgba(56,189,248,.48);
  --blue:#2563eb;
  --cyan:#38bdf8;
  --cyan-soft:#7dd3fc;
  --text:#f8fafc;
  --muted:#94a3b8;
  --muted-2:#cbd5e1;
  --gold:#facc15;
  --green:#22c55e;
  --danger:#fb7185;
  --radius:16px;
  --radius-sm:10px;
  --shadow:0 18px 55px rgba(0,0,0,.38);
  --glow:0 0 26px rgba(56,189,248,.24);
  --container:1180px;
}
html{scroll-behavior:smooth}
*{box-sizing:border-box}
body{
  margin:0;
  font-family:"Segoe UI",Roboto,Arial,sans-serif;
  color:var(--text);
  background:
    radial-gradient(circle at 15% 0%,rgba(37,99,235,.22),transparent 32rem),
    radial-gradient(circle at 90% 18%,rgba(56,189,248,.13),transparent 28rem),
    linear-gradient(180deg,#030712 0%,#061025 45%,#030712 100%);
  line-height:1.65;
  overflow-x:hidden;
}
body::before{
  content:"";
  position:fixed;
  inset:0;
  pointer-events:none;
  opacity:.18;
  background-image:
    linear-gradient(rgba(56,189,248,.08) 1px,transparent 1px),
    linear-gradient(90deg,rgba(56,189,248,.08) 1px,transparent 1px);
  background-size:48px 48px;
  mask-image:linear-gradient(to bottom,#000,transparent 85%);
}
a{color:inherit;text-decoration:none;transition:.22s ease}
a:hover{color:var(--cyan-soft)}
img{max-width:100%;height:auto;display:block}
button,input,select,textarea{font:inherit}
button{cursor:pointer}
.container{width:min(var(--container),calc(100% - 32px));margin-inline:auto}
.section{padding:88px 0;position:relative}
.section-sm{padding:58px 0}
.section-title{font-size:clamp(1.65rem,3vw,2.6rem);font-weight:800;line-height:1.25;margin:0 0 14px;letter-spacing:0}
.section-lead{color:var(--muted-2);max-width:820px;font-size:1.04rem;margin:0 0 30px;line-height:1.7}
.eyebrow{
  display:inline-flex;align-items:center;gap:8px;
  color:var(--cyan-soft);font-size:.76rem;font-weight:800;letter-spacing:.12em;text-transform:uppercase;
  border:1px solid var(--line-strong);background:rgba(56,189,248,.08);
  padding:7px 11px;border-radius:999px;margin-bottom:18px;
}
.btn-main,.btn-line,.btn-ghost{
  display:inline-flex;align-items:center;justify-content:center;gap:9px;
  min-height:48px;padding:12px 19px;border-radius:12px;font-weight:800;border:1px solid transparent;
  transition:.22s ease;text-align:center;
}
.btn-main{
  color:#03111e;
  background:linear-gradient(135deg,#38bdf8,#60a5fa 55%,#2563eb);
  box-shadow:0 0 24px rgba(56,189,248,.35),0 10px 22px rgba(0,0,0,.25);
}
.btn-main:hover{color:#02101d;transform:translateY(-2px);box-shadow:0 0 34px rgba(56,189,248,.54),0 14px 28px rgba(0,0,0,.34)}
.btn-main:active{transform:translateY(0) scale(.98)}
.btn-line{color:var(--text);border-color:var(--line-strong);background:rgba(8,20,43,.58)}
.btn-line:hover{color:var(--cyan-soft);border-color:var(--cyan);background:rgba(56,189,248,.11);transform:translateY(-2px)}
.btn-ghost{color:var(--muted-2);border-color:var(--line);background:transparent;min-height:42px;padding:9px 14px}
.btn-ghost:hover{color:var(--cyan-soft);border-color:var(--cyan)}
.badge-tech{
  display:inline-flex;align-items:center;gap:7px;padding:5px 9px;border-radius:999px;
  background:rgba(34,197,94,.11);border:1px solid rgba(34,197,94,.28);color:#86efac;
  font-size:.72rem;font-weight:800;text-transform:uppercase;letter-spacing:.05em;
}
.badge-blue{background:rgba(56,189,248,.11);border-color:rgba(56,189,248,.35);color:var(--cyan-soft)}
.badge-gold{background:rgba(250,204,21,.12);border-color:rgba(250,204,21,.32);color:#fde68a}
.site-header{
  position:sticky;top:0;z-index:1000;
  background:rgba(3,7,18,.83);
  backdrop-filter:blur(18px);
  border-bottom:1px solid rgba(96,165,250,.17);
}
.navbar{padding:13px 0}
.nav-shell{display:flex;align-items:center;gap:18px}
.brand{display:flex;align-items:center;gap:11px;min-width:0;flex:1}
.brand-mark{
  width:44px;height:44px;border-radius:13px;flex:0 0 44px;
  display:grid;place-items:center;
  background:linear-gradient(145deg,rgba(56,189,248,.25),rgba(37,99,235,.14));
  border:1px solid rgba(125,211,252,.4);
  box-shadow:var(--glow);
  color:var(--cyan-soft);font-size:1.1rem;
}
.brand-copy{min-width:0}
.brand-name{
  display:block;font-size:.92rem;font-weight:900;line-height:1.25;
  white-space:nowrap;overflow:hidden;text-overflow:ellipsis;max-width:430px;
}
.brand-note{font-size:.72rem;color:var(--muted);line-height:1.3}
.main-nav{display:flex;align-items:center;gap:6px}
.main-nav a{
  padding:9px 11px;border-radius:10px;color:var(--muted-2);font-size:.9rem;font-weight:700;
  border:1px solid transparent;
}
.main-nav a:hover{background:rgba(56,189,248,.08);border-color:var(--line)}
.main-nav a.active{color:var(--cyan-soft);background:rgba(56,189,248,.11);border-color:var(--line-strong)}
.nav-actions{display:flex;align-items:center;gap:9px}
.login-btn{
  color:#dbeafe;border:1px solid rgba(147,197,253,.36);background:transparent;
  padding:9px 12px;border-radius:10px;font-weight:800;font-size:.88rem;
}
.login-btn:hover{color:#fff;border-color:var(--cyan);background:rgba(56,189,248,.08)}
.signup-btn{padding:9px 14px;border-radius:10px;color:#04111d;background:linear-gradient(135deg,#7dd3fc,#38bdf8,#2563eb);font-weight:900;font-size:.88rem;border:0}
.signup-btn:hover{color:#04111d;box-shadow:0 0 22px rgba(56,189,248,.48);transform:translateY(-1px)}
.menu-toggle{
  display:none;width:46px;height:44px;border-radius:11px;border:1px solid var(--line-strong);
  background:rgba(8,20,43,.7);color:var(--text);
}
.mobile-menu{display:none;padding:12px 0 17px;border-top:1px solid var(--line)}
.mobile-menu.open{display:block}
.mobile-menu a{display:block;padding:11px 10px;border-radius:9px;color:var(--muted-2);font-weight:750}
.mobile-menu a.active,.mobile-menu a:hover{background:rgba(56,189,248,.1);color:var(--cyan-soft)}
.category-hero{
  padding:80px 0 66px;position:relative;overflow:hidden;
  background:
    linear-gradient(90deg,rgba(3,7,18,.96) 0%,rgba(3,7,18,.82) 48%,rgba(3,7,18,.58) 100%),
    url("/assets/images/2862a3769edf3e26.jpg") center/cover no-repeat;
}
.category-hero::after{
  content:"";position:absolute;right:-130px;bottom:-180px;width:560px;height:560px;border-radius:50%;
  background:radial-gradient(circle,rgba(56,189,248,.25),transparent 68%);pointer-events:none;
}
.category-hero-shell{
  display:grid;grid-template-columns:minmax(0,1.15fr) minmax(300px,.85fr);
  gap:42px;align-items:center;position:relative;z-index:1;
}
.category-hero h1{
  font-size:clamp(2.2rem,5vw,4.2rem);font-weight:900;line-height:1.12;margin:0 0 20px;letter-spacing:0;
}
.category-hero p{font-size:1.08rem;color:var(--muted-2);line-height:1.7;max-width:720px}
.hero-actions{display:flex;flex-wrap:wrap;gap:12px;margin-top:28px}
.progress-panel{
  background:rgba(9,20,43,.72);border:1px solid var(--line-strong);border-radius:20px;
  padding:24px;box-shadow:var(--shadow),var(--glow);backdrop-filter:blur(16px);
}
.progress-ring{
  width:146px;height:146px;border-radius:50%;margin:0 auto 18px;
  display:grid;place-items:center;position:relative;
  background:conic-gradient(var(--cyan) 0 82%,rgba(56,189,248,.12) 82% 100%);
  box-shadow:0 0 30px rgba(56,189,248,.25);
}
.progress-ring::before{
  content:"";position:absolute;inset:11px;border-radius:50%;background:var(--panel-solid);
  border:1px solid var(--line);
}
.progress-ring strong{position:relative;font-size:2rem;color:var(--cyan-soft);line-height:1}
.progress-ring span{display:block;text-align:center;color:var(--muted);font-size:.75rem;margin-top:4px}
.progress-list{list-style:none;padding:0;margin:0}
.progress-list li{display:flex;justify-content:space-between;gap:14px;padding:10px 0;border-bottom:1px solid var(--line);color:var(--muted-2)}
.progress-list li:last-child{border-bottom:0}
.progress-list b{color:var(--text)}
.metric-strip{
  display:grid;grid-template-columns:repeat(4,1fr);gap:14px;margin-top:32px;
}
.metric{
  padding:18px;border:1px solid var(--line);border-radius:var(--radius);
  background:rgba(8,20,43,.58);
}
.metric strong{display:block;font-size:1.45rem;color:var(--cyan-soft);line-height:1.2}
.metric span{font-size:.82rem;color:var(--muted)}
.content-grid{display:grid;grid-template-columns:minmax(0,1.35fr) minmax(280px,.65fr);gap:28px}
.feature-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:18px}
.feature-card{
  padding:24px;border:1px solid var(--line);border-radius:var(--radius);
  background:linear-gradient(160deg,rgba(9,20,43,.92),rgba(7,19,41,.66));
  transition:.25s ease;height:100%;
}
.feature-card:hover{transform:translateY(-5px);border-color:var(--line-strong);box-shadow:var(--glow)}
.feature-icon{
  width:48px;height:48px;border-radius:14px;display:grid;place-items:center;
  background:rgba(56,189,248,.12);border:1px solid var(--line-strong);
  color:var(--cyan-soft);font-size:1.1rem;margin-bottom:16px;
}
.feature-card h3{font-size:1.08rem;font-weight:800;margin:0 0 10px}
.feature-card p{color:var(--muted-2);font-size:.94rem;margin:0}
.split-panel{
  display:grid;grid-template-columns:minmax(0,.92fr) minmax(0,1.08fr);gap:34px;align-items:center;
}
.visual-frame{
  border-radius:20px;overflow:hidden;border:1px solid var(--line-strong);
  box-shadow:var(--shadow);background:var(--panel-solid);
}
.visual-frame img{width:100%;aspect-ratio:16/10;object-fit:cover}
.check-list{list-style:none;padding:0;margin:20px 0 0}
.check-list li{display:flex;gap:11px;align-items:flex-start;padding:9px 0;color:var(--muted-2)}
.check-list i{color:var(--green);margin-top:4px}
.timeline{display:grid;gap:15px;margin-top:28px}
.timeline-item{
  display:grid;grid-template-columns:52px 1fr;gap:16px;align-items:start;
  padding:18px;border:1px solid var(--line);border-radius:var(--radius);background:rgba(8,20,43,.55);
}
.timeline-index{
  width:52px;height:52px;border-radius:14px;display:grid;place-items:center;
  font-weight:900;color:#03111e;background:linear-gradient(135deg,#7dd3fc,#38bdf8);
}
.timeline-item h3{font-size:1rem;margin:0 0 6px;font-weight:800}
.timeline-item p{margin:0;color:var(--muted-2);font-size:.94rem}
.payment-grid{display:grid;grid-template-columns:repeat(4,1fr);gap:16px}
.payment-card{
  padding:20px;border-radius:var(--radius);border:1px solid var(--line);
  background:rgba(8,20,43,.65);text-align:left;transition:.22s ease;
}
.payment-card:hover{transform:translateY(-4px);border-color:var(--cyan);background:rgba(56,189,248,.08)}
.payment-card i{font-size:1.45rem;color:var(--cyan-soft);margin-bottom:13px}
.payment-card strong{display:block;margin-bottom:6px}
.payment-card span{display:block;color:var(--muted);font-size:.86rem}
.faq-list{display:grid;gap:12px}
.faq-item{
  border:1px solid var(--line);border-radius:var(--radius);background:rgba(8,20,43,.68);overflow:hidden;
}
.faq-item summary{
  cursor:pointer;padding:18px 20px;font-weight:800;list-style:none;display:flex;justify-content:space-between;gap:16px;
}
.faq-item summary::-webkit-details-marker{display:none}
.faq-item summary::after{content:"+";color:var(--cyan-soft);font-size:1.25rem;line-height:1}
.faq-item[open] summary::after{content:"−"}
.faq-item p{padding:0 20px 19px;margin:0;color:var(--muted-2);line-height:1.7}
.info-section{
  border-top:1px solid var(--line);border-bottom:1px solid var(--line);
  background:linear-gradient(180deg,rgba(7,19,41,.72),rgba(3,7,18,.22));
}
.channel-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:18px}
.channel-card{
  padding:24px;border-radius:var(--radius);border:1px solid var(--line);
  background:rgba(9,20,43,.72);
}
.channel-card h3{font-size:1.18rem;font-weight:850;margin:0 0 10px}
.channel-card p{color:var(--muted-2);margin:0 0 16px}
.news-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:18px}
.news-card{
  border-radius:var(--radius);overflow:hidden;border:1px solid var(--line);
  background:rgba(8,20,43,.76);transition:.24s ease;height:100%;
}
.news-card:hover{transform:translateY(-5px);border-color:var(--line-strong);box-shadow:var(--glow)}
.news-card img{width:100%;height:190px;object-fit:cover}
.news-body{padding:18px}
.news-meta{display:flex;gap:9px;flex-wrap:wrap;color:var(--muted);font-size:.76rem;margin-bottom:10px}
.news-body h3{font-size:1rem;line-height:1.42;margin:0 0 10px;font-weight:800}
.news-body p{color:var(--muted-2);font-size:.9rem;margin:0}
.empty-note{padding:24px;border:1px dashed var(--line-strong);border-radius:var(--radius);color:var(--muted-2);background:rgba(8,20,43,.48)}
.cta-band{
  padding:40px;border-radius:20px;border:1px solid var(--line-strong);
  background:
    radial-gradient(circle at 88% 15%,rgba(56,189,248,.24),transparent 26rem),
    linear-gradient(135deg,rgba(9,20,43,.96),rgba(7,19,41,.78));
  box-shadow:var(--shadow);
}
.cta-band h2{font-size:clamp(1.65rem,3vw,2.5rem);font-weight:900;margin:0 0 12px}
.cta-band p{color:var(--muted-2);max-width:760px;margin:0 0 22px}
.side-note{
  padding:22px;border-radius:var(--radius);border:1px solid var(--line);
  background:rgba(8,20,43,.66);
}
.side-note h3{font-size:1rem;font-weight:850;margin:0 0 12px}
.side-note ul{padding-left:18px;margin:0;color:var(--muted-2)}
.side-note li{margin-bottom:8px}
.site-footer{
  margin-top:72px;padding:62px 0 28px;border-top:1px solid rgba(96,165,250,.2);
  background:linear-gradient(180deg,rgba(5,13,30,.92),rgba(2,6,16,.98));
}
.footer-grid{display:grid;grid-template-columns:1.4fr .7fr .8fr .95fr;gap:28px}
.footer-brand{font-weight:900;font-size:1.02rem;line-height:1.4;margin-bottom:12px}
.footer-title{font-weight:800;margin-bottom:13px;color:var(--cyan-soft)}
.footer-text{color:var(--muted);font-size:.9rem;line-height:1.7;margin:0}
.footer-links{list-style:none;padding:0;margin:0}
.footer-links li{margin-bottom:8px;color:var(--muted)}
.footer-links a,.footer-links span{color:var(--muted);font-size:.9rem}
.footer-links a:hover{color:var(--cyan-soft)}
.footer-bottom{
  margin-top:38px;padding-top:20px;border-top:1px solid var(--line);
  display:flex;justify-content:space-between;gap:18px;align-items:center;color:var(--muted);font-size:.84rem;
}
.footer-badges{display:flex;gap:9px;flex-wrap:wrap}
.footer-badges span{padding:5px 9px;border:1px solid var(--line);border-radius:999px;color:var(--muted-2)}
.fab{
  position:fixed;left:16px;bottom:96px;z-index:50;width:58px;height:58px;border-radius:50%;
  display:grid;place-items:center;color:#04111d;
  background:linear-gradient(135deg,#7dd3fc,#38bdf8,#2563eb);
  border:2px solid rgba(255,255,255,.34);
  box-shadow:0 0 22px rgba(56,189,248,.58),0 10px 24px rgba(0,0,0,.36);
  animation:floatFab 2.8s ease-in-out infinite;opacity:.88;
}
.fab:hover{transform:scale(1.1);opacity:1;color:#04111d}
.fab:active{transform:scale(.95) translateY(3px)}
.fab .hot-dot{
  position:absolute;top:5px;right:5px;width:11px;height:11px;border-radius:50%;
  background:#fb7185;box-shadow:0 0 12px rgba(251,113,133,.9);border:2px solid #fff;
}
@keyframes floatFab{0%,100%{transform:translateY(0)}50%{transform:translateY(-6px)}}
@media (max-width:1024px){
  .main-nav{display:none}.menu-toggle{display:grid;place-items:center}
  .category-hero-shell,.content-grid,.split-panel{grid-template-columns:1fr}
  .feature-grid,.news-grid{grid-template-columns:repeat(2,1fr)}
  .footer-grid{grid-template-columns:repeat(2,1fr)}
  .payment-grid{grid-template-columns:repeat(2,1fr)}
}
@media (max-width:768px){
  .section{padding:68px 0}.category-hero{padding:62px 0 52px}
  .metric-strip{grid-template-columns:repeat(2,1fr)}
  .channel-grid{grid-template-columns:1fr}
  .brand-name{max-width:230px;font-size:.82rem}
  .nav-actions .login-btn,.nav-actions .signup-btn{display:inline-flex}
}
@media (max-width:520px){
  .container{width:min(100% - 22px,var(--container))}
  .category-hero h1{font-size:2.05rem}
  .hero-actions{flex-direction:column}.hero-actions a{width:100%}
  .feature-grid,.news-grid,.payment-grid,.metric-strip,.footer-grid{grid-template-columns:1fr}
  .footer-bottom{align-items:flex-start;flex-direction:column}
  .cta-band{padding:27px 20px}
  .brand-mark{width:39px;height:39px;flex-basis:39px}
  .login-btn,.signup-btn{padding:8px 9px;font-size:.8rem}
}

/* roulang page: category2 */
:root{
  --bg:#030712;
  --bg-2:#071329;
  --panel:rgba(9,20,43,.78);
  --panel-solid:#0b1730;
  --line:rgba(96,165,250,.22);
  --line-strong:rgba(56,189,248,.48);
  --blue:#2563eb;
  --cyan:#38bdf8;
  --cyan-soft:#7dd3fc;
  --text:#f8fafc;
  --muted:#94a3b8;
  --muted-2:#cbd5e1;
  --gold:#facc15;
  --green:#22c55e;
  --danger:#fb7185;
  --radius:16px;
  --radius-sm:10px;
  --shadow:0 18px 55px rgba(0,0,0,.38);
  --glow:0 0 26px rgba(56,189,248,.24);
  --container:1180px;
}
*,*::before,*::after{box-sizing:border-box}
html{scroll-behavior:smooth}
body{
  margin:0;
  font-family:"Segoe UI",Roboto,Arial,sans-serif;
  color:var(--text);
  background:
    radial-gradient(circle at 15% 0%,rgba(37,99,235,.22),transparent 32rem),
    radial-gradient(circle at 90% 18%,rgba(56,189,248,.13),transparent 28rem),
    linear-gradient(180deg,#030712 0%,#061025 45%,#030712 100%);
  line-height:1.65;
  overflow-x:hidden;
}
body::before{
  content:"";
  position:fixed;
  inset:0;
  pointer-events:none;
  opacity:.18;
  background-image:
    linear-gradient(rgba(56,189,248,.08) 1px,transparent 1px),
    linear-gradient(90deg,rgba(56,189,248,.08) 1px,transparent 1px);
  background-size:48px 48px;
  -webkit-mask-image:linear-gradient(to bottom,#000,transparent 85%);
  mask-image:linear-gradient(to bottom,#000,transparent 85%);
}
a{color:inherit;text-decoration:none;transition:.22s ease}
a:hover{color:var(--cyan-soft)}
img{max-width:100%;height:auto;display:block}
button,input,select,textarea{font:inherit}
button{cursor:pointer}
a:focus-visible,button:focus-visible,summary:focus-visible,input:focus-visible,select:focus-visible{
  outline:2px solid var(--cyan);outline-offset:2px;
}
.container{width:min(var(--container),calc(100% - 32px));max-width:none;margin-inline:auto;padding:0}
.section{padding:88px 0;position:relative}
.section-sm{padding:58px 0}
.section-title{font-size:clamp(1.65rem,3vw,2.6rem);font-weight:800;line-height:1.25;margin:0 0 14px}
.section-lead{color:var(--muted-2);max-width:840px;font-size:1.04rem;margin:0 0 30px;line-height:1.7}
.eyebrow{
  display:inline-flex;align-items:center;gap:8px;
  color:var(--cyan-soft);font-size:.76rem;font-weight:800;letter-spacing:.12em;text-transform:uppercase;
  border:1px solid var(--line-strong);background:rgba(56,189,248,.08);
  padding:7px 11px;border-radius:999px;margin-bottom:18px;
}
.btn-main,.btn-line,.btn-ghost{
  display:inline-flex;align-items:center;justify-content:center;gap:9px;
  min-height:48px;padding:12px 19px;border-radius:12px;font-weight:800;border:1px solid transparent;
  transition:.22s ease;text-align:center;
}
.btn-main{
  color:#03111e;
  background:linear-gradient(135deg,#38bdf8,#60a5fa 55%,#2563eb);
  box-shadow:0 0 24px rgba(56,189,248,.35),0 10px 22px rgba(0,0,0,.25);
}
.btn-main:hover{color:#02101d;transform:translateY(-2px);box-shadow:0 0 34px rgba(56,189,248,.54),0 14px 28px rgba(0,0,0,.34)}
.btn-main:active{transform:translateY(0) scale(.98)}
.btn-line{color:var(--text);border-color:var(--line-strong);background:rgba(8,20,43,.58)}
.btn-line:hover{color:var(--cyan-soft);border-color:var(--cyan);background:rgba(56,189,248,.11);transform:translateY(-2px)}
.btn-ghost{color:var(--muted-2);border-color:var(--line);background:transparent;min-height:42px;padding:9px 14px}
.btn-ghost:hover{color:var(--cyan-soft);border-color:var(--cyan)}
.badge-tech{
  display:inline-flex;align-items:center;gap:7px;padding:5px 9px;border-radius:999px;
  background:rgba(34,197,94,.11);border:1px solid rgba(34,197,94,.28);color:#86efac;
  font-size:.72rem;font-weight:800;text-transform:uppercase;letter-spacing:.05em;
}
.badge-blue{background:rgba(56,189,248,.11);border-color:rgba(56,189,248,.35);color:var(--cyan-soft)}
.badge-gold{background:rgba(250,204,21,.12);border-color:rgba(250,204,21,.32);color:#fde68a}
.glass-card{
  background:var(--panel);
  border:1px solid var(--line);
  border-radius:var(--radius);
  backdrop-filter:blur(14px);
  -webkit-backdrop-filter:blur(14px);
  box-shadow:var(--shadow);
}

/* ===== Header / Nav ===== */
.site-header{
  position:sticky;top:0;z-index:1000;
  background:rgba(3,7,18,.83);
  backdrop-filter:blur(18px);
  -webkit-backdrop-filter:blur(18px);
  border-bottom:1px solid rgba(96,165,250,.17);
}
.navbar{padding:13px 0}
.nav-shell{display:flex;align-items:center;gap:18px}
.brand{display:flex;align-items:center;gap:11px;min-width:0;flex:1}
.brand-mark{
  width:44px;height:44px;border-radius:13px;flex:0 0 44px;
  display:grid;place-items:center;
  background:linear-gradient(145deg,rgba(56,189,248,.25),rgba(37,99,235,.14));
  border:1px solid rgba(125,211,252,.4);
  box-shadow:var(--glow);
  color:var(--cyan-soft);font-size:1.1rem;
}
.brand-copy{min-width:0}
.brand-name{
  display:block;font-size:.92rem;font-weight:900;line-height:1.25;
  white-space:nowrap;overflow:hidden;text-overflow:ellipsis;max-width:430px;
}
.brand-note{font-size:.72rem;color:var(--muted);line-height:1.3}
.main-nav{display:flex;align-items:center;gap:6px}
.main-nav a{
  padding:9px 11px;border-radius:10px;color:var(--muted-2);font-size:.9rem;font-weight:700;
  border:1px solid transparent;
}
.main-nav a:hover{background:rgba(56,189,248,.08);border-color:var(--line)}
.main-nav a.active{color:var(--cyan-soft);background:rgba(56,189,248,.11);border-color:var(--line-strong)}
.nav-actions{display:flex;align-items:center;gap:9px}
.login-btn{
  color:#dbeafe;border:1px solid rgba(147,197,253,.36);background:transparent;
  padding:9px 12px;border-radius:10px;font-weight:800;font-size:.88rem;
}
.login-btn:hover{color:#fff;border-color:var(--cyan);background:rgba(56,189,248,.08)}
.signup-btn{padding:9px 14px;border-radius:10px;color:#04111d;background:linear-gradient(135deg,#7dd3fc,#38bdf8,#2563eb);font-weight:900;font-size:.88rem;border:0}
.signup-btn:hover{color:#04111d;box-shadow:0 0 22px rgba(56,189,248,.48);transform:translateY(-1px)}
.menu-toggle{
  display:none;width:46px;height:44px;border-radius:11px;border:1px solid var(--line-strong);
  background:rgba(8,20,43,.7);color:var(--text);align-items:center;justify-content:center;
}
.mobile-menu{display:none;padding:12px 0 17px;border-top:1px solid var(--line)}
.mobile-menu.open{display:block}
.mobile-menu a{display:block;padding:11px 10px;border-radius:9px;color:var(--muted-2);font-weight:700}
.mobile-menu a.active,.mobile-menu a:hover{background:rgba(56,189,248,.1);color:var(--cyan-soft)}

/* ===== Category hero ===== */
.cat-hero{padding:74px 0 66px;position:relative;overflow:hidden}
.cat-hero::before{
  content:"";position:absolute;inset:0;z-index:-2;
  background:linear-gradient(100deg,rgba(3,7,18,.96) 0%,rgba(3,7,18,.82) 46%,rgba(3,7,18,.52) 100%),url("/assets/images/2862a3769edf3e26.jpg") center/cover;
}
.cat-hero::after{
  content:"";position:absolute;left:-140px;bottom:-180px;width:520px;height:520px;border-radius:50%;
  background:radial-gradient(circle,rgba(37,99,235,.28),transparent 66%);z-index:-1;
}
.cat-shell{display:grid;grid-template-columns:minmax(0,1.1fr) minmax(320px,.9fr);gap:48px;align-items:start}
.cat-title{
  font-size:clamp(1.95rem,4.4vw,3.5rem);
  font-weight:900;line-height:1.16;margin:0 0 18px;letter-spacing:-.01em;
}
.cat-title .hl{color:var(--cyan-soft)}
.cat-lead{color:var(--muted-2);font-size:1.05rem;max-width:700px;margin:0 0 26px}
.hero-actions{display:flex;flex-wrap:wrap;gap:12px;margin-bottom:26px}
.hero-chips{display:flex;flex-wrap:wrap;gap:10px;list-style:none;padding:0;margin:0}
.hero-chips li{
  display:inline-flex;align-items:center;gap:8px;font-size:.82rem;font-weight:700;color:var(--muted-2);
  border:1px solid var(--line);background:rgba(8,20,43,.6);border-radius:999px;padding:7px 13px;
}
.hero-chips i{color:var(--cyan)}
.time-panel{padding:24px}
.time-panel-head{display:flex;align-items:center;justify-content:space-between;gap:12px;margin-bottom:16px}
.time-panel-head span:first-child{font-weight:800;font-size:1rem}
.time-row{display:grid;grid-template-columns:88px 1fr;gap:14px;padding:14px 0;border-top:1px solid var(--line)}
.time-row:first-of-type{border-top:0}
.t-hour{font-weight:900;color:var(--cyan-soft);font-size:.95rem;letter-spacing:.02em}
.t-name{font-weight:800;font-size:.95rem;margin-bottom:4px}
.t-desc{color:var(--muted);font-size:.85rem;line-height:1.55;margin:0}
.t-meter{height:6px;border-radius:999px;background:rgba(148,163,184,.18);margin-top:9px;overflow:hidden}
.t-meter i{display:block;height:100%;border-radius:999px;background:linear-gradient(90deg,#38bdf8,#2563eb)}
.panel-note{margin:16px 0 0;font-size:.8rem;color:var(--muted)}

/* ===== Timeline list ===== */
.time-list{border-left:1px dashed var(--line-strong);padding-left:28px;margin:34px 0 0;list-style:none}
.time-item{position:relative;padding-bottom:30px}
.time-item:last-child{padding-bottom:0}
.time-item::before{
  content:"";position:absolute;left:-35px;top:9px;width:13px;height:13px;border-radius:50%;
  background:var(--cyan);box-shadow:0 0 14px rgba(56,189,248,.75);
}
.time-tag{
  display:inline-block;font-size:.74rem;font-weight:900;letter-spacing:.08em;text-transform:uppercase;
  color:#04111d;background:linear-gradient(135deg,#7dd3fc,#38bdf8);border-radius:7px;padding:4px 9px;margin-bottom:9px;
}
.time-item h3{font-size:1.16rem;font-weight:800;margin:0 0 8px}
.time-item p{color:var(--muted-2);margin:0;max-width:820px}
.time-item ul{margin:12px 0 0;padding-left:0;list-style:none;display:grid;gap:8px}
.time-item ul li{position:relative;padding-left:22px;color:var(--muted);font-size:.92rem}
.time-item ul li::before{content:"\f0da";font-family:"Font Awesome 6 Free";font-weight:900;position:absolute;left:0;top:1px;color:var(--cyan);font-size:.75rem}

/* ===== Split block ===== */
.split{display:grid;grid-template-columns:minmax(0,1.05fr) minmax(0,.95fr);gap:44px;align-items:center}
.split-media{position:relative;border-radius:var(--radius);overflow:hidden;border:1px solid var(--line-strong);box-shadow:var(--glow),var(--shadow)}
.split-media img{width:100%;aspect-ratio:4/3;object-fit:cover}
.split-media figcaption{
  position:absolute;left:0;right:0;bottom:0;padding:16px 18px;font-size:.85rem;color:var(--muted-2);
  background:linear-gradient(180deg,transparent,rgba(3,7,18,.92));
}
.check-list{list-style:none;padding:0;margin:22px 0 0;display:grid;gap:14px}
.check-list li{display:grid;grid-template-columns:26px 1fr;gap:12px;color:var(--muted-2);font-size:.98rem}
.check-list i{
  width:24px;height:24px;border-radius:8px;display:grid;place-items:center;font-size:.72rem;
  color:#03111e;background:linear-gradient(135deg,#7dd3fc,#38bdf8);margin-top:3px;
}

/* ===== Scenario grid ===== */
.scenario-grid{display:grid;grid-template-columns:repeat(3,minmax(0,1fr));gap:24px;margin-top:12px}
.scenario-card{
  background:var(--panel);border:1px solid var(--line);border-radius:var(--radius);overflow:hidden;
  display:flex;flex-direction:column;transition:.26s ease;
}
.scenario-card:hover{transform:translateY(-5px);border-color:var(--line-strong);box-shadow:0 0 28px rgba(56,189,248,.22)}
.scenario-card img{width:100%;aspect-ratio:16/10;object-fit:cover}
.scenario-body{padding:20px 20px 22px}
.scenario-body h3{font-size:1.08rem;font-weight:800;margin:0 0 9px}
.scenario-body p{color:var(--muted);font-size:.92rem;margin:0 0 12px}
.scenario-body .badge-tech{margin-top:2px}

/* ===== Stat strip ===== */
.stat-strip{
  display:grid;grid-template-columns:repeat(4,minmax(0,1fr));gap:0;
  border:1px solid var(--line);border-radius:var(--radius);overflow:hidden;background:var(--panel);
}
.stat-item{padding:26px 24px;border-left:1px solid var(--line)}
.stat-item:first-child{border-left:0}
.stat-num{font-size:clamp(1.3rem,2.4vw,1.9rem);font-weight:900;color:var(--cyan-soft);line-height:1.2}
.stat-label{color:var(--muted);font-size:.86rem;margin-top:7px;line-height:1.55}

/* ===== Steps ===== */
.step-list{display:grid;gap:16px;margin-top:8px;list-style:none;padding:0}
.step-item{
  display:grid;grid-template-columns:56px 1fr;gap:18px;align-items:start;
  padding:20px 22px;border:1px solid var(--line);border-radius:var(--radius-sm);
  background:rgba(8,20,43,.55);transition:.24s ease;
}
.step-item:hover{border-color:var(--line-strong);background:rgba(56,189,248,.07)}
.step-num{
  width:44px;height:44px;border-radius:12px;display:grid;place-items:center;font-weight:900;
  color:#03111e;background:linear-gradient(135deg,#7dd3fc,#38bdf8);box-shadow:0 0 16px rgba(56,189,248,.4);
}
.step-item h3{font-size:1.05rem;font-weight:800;margin:0 0 6px}
.step-item p{margin:0;color:var(--muted-2);font-size:.95rem}

/* ===== Table ===== */
.table-wrap{overflow-x:auto;border:1px solid var(--line);border-radius:var(--radius);background:var(--panel);margin-top:10px}
.slot-table{width:100%;min-width:760px;border-collapse:collapse;font-size:.94rem}
.slot-table th{
  text-align:left;padding:15px 18px;font-size:.76rem;text-transform:uppercase;letter-spacing:.07em;
  color:var(--cyan-soft);background:rgba(56,189,248,.09);border-bottom:1px solid var(--line-strong);
}
.slot-table td{padding:16px 18px;border-bottom:1px solid var(--line);color:var(--muted-2);vertical-align:top}
.slot-table tbody tr:last-child td{border-bottom:0}
.slot-table tbody tr:hover td{background:rgba(56,189,248,.05)}
.slot-table td strong{color:var(--text);display:block;font-size:.98rem}
.slot-table td span.sub{color:var(--muted);font-size:.84rem}

/* ===== Payment ===== */
.pay-grid{display:grid;grid-template-columns:repeat(4,minmax(0,1fr));gap:18px;margin-top:12px}
.pay-card{
  border:1px solid var(--line);border-radius:var(--radius-sm);padding:22px 20px;background:rgba(8,20,43,.6);
  transition:.24s ease;
}
.pay-card:hover{border-color:var(--line-strong);box-shadow:0 0 22px rgba(56,189,248,.2);transform:translateY(-3px)}
.pay-card i{font-size:1.5rem;color:var(--cyan);margin-bottom:12px;display:block}
.pay-name{font-weight:800;margin-bottom:6px}
.pay-note{color:var(--muted);font-size:.87rem;margin:0}
.pay-foot{margin-top:26px;display:flex;flex-wrap:wrap;gap:14px;align-items:center;color:var(--muted);font-size:.88rem}

/* ===== FAQ ===== */
.faq-list{display:grid;gap:14px;margin-top:6px}
.faq-item{
  border:1px solid var(--line);border-radius:var(--radius-sm);background:rgba(8,20,43,.6);
  padding:0;overflow:hidden;transition:.24s ease;
}
.faq-item[open]{border-color:var(--line-strong);background:rgba(56,189,248,.06)}
.faq-item summary{
  list-style:none;cursor:pointer;padding:19px 52px 19px 20px;position:relative;
  font-weight:800;font-size:1.01rem;color:var(--text);
}
.faq-item summary::-webkit-details-marker{display:none}
.faq-item summary::after{
  content:"+";position:absolute;right:20px;top:50%;transform:translateY(-50%);
  font-size:1.3rem;font-weight:700;color:var(--cyan);line-height:1;
}
.faq-item[open] summary::after{content:"–"}
.faq-item p{margin:0;padding:0 20px 20px;color:var(--muted-2);font-size:.96rem}

/* ===== CTA / form ===== */
.cta-panel{
  border:1px solid var(--line-strong);border-radius:20px;padding:38px;
  background:linear-gradient(135deg,rgba(37,99,235,.22),rgba(9,20,43,.86) 60%);
  box-shadow:var(--glow),var(--shadow);
  display:grid;grid-template-columns:minmax(0,1fr) minmax(320px,.9fr);gap:38px;align-items:center;
}
.cta-panel h2{font-size:clamp(1.5rem,2.6vw,2.1rem);font-weight:900;margin:0 0 12px}
.cta-panel p{color:var(--muted-2);margin:0 0 18px}
.cta-list{list-style:none;padding:0;margin:0;display:grid;gap:10px}
.cta-list li{display:grid;grid-template-columns:24px 1fr;gap:10px;color:var(--muted-2);font-size:.94rem}
.cta-list i{color:var(--cyan);margin-top:4px}
.cta-form{display:grid;gap:14px}
.form-field{display:grid;gap:7px}
.form-field label{font-size:.82rem;font-weight:800;letter-spacing:.05em;text-transform:uppercase;color:var(--cyan-soft)}
.form-field input,.form-field select{
  width:100%;padding:13px 15px;border-radius:11px;border:1px solid var(--line);
  background:rgba(3,7,18,.72);color:var(--text);transition:.2s ease;
}
.form-field input::placeholder{color:#64748b}
.form-field input:focus,.form-field select:focus{border-color:var(--cyan);box-shadow:0 0 0 3px rgba(56,189,248,.16);outline:none}
.form-note{font-size:.78rem;color:var(--muted);margin:2px 0 0}
.form-msg{font-size:.88rem;color:#86efac;min-height:22px;margin:0}

/* ===== Footer ===== */
.site-footer{border-top:1px solid var(--line);background:rgba(3,7,18,.82);padding:58px 0 26px;margin-top:40px}
.footer-grid{display:grid;grid-template-columns:1.5fr 1fr 1fr 1.2fr;gap:32px}
.footer-brand{font-weight:900;font-size:1rem;margin-bottom:12px;line-height:1.4}
.footer-title{font-size:.82rem;font-weight:900;letter-spacing:.08em;text-transform:uppercase;color:var(--cyan-soft);margin-bottom:14px}
.footer-text{color:var(--muted);font-size:.9rem;margin:0}
.footer-links{list-style:none;padding:0;margin:0;display:grid;gap:9px;color:var(--muted);font-size:.9rem}
.footer-links a:hover{color:var(--cyan-soft)}
.footer-bottom{
  margin-top:36px;padding-top:20px;border-top:1px solid var(--line);
  display:flex;flex-wrap:wrap;gap:14px;justify-content:space-between;align-items:center;
  color:var(--muted);font-size:.84rem;
}
.footer-badges{display:flex;flex-wrap:wrap;gap:9px}
.footer-badges span{
  border:1px solid var(--line);border-radius:999px;padding:5px 12px;font-size:.76rem;font-weight:700;color:var(--muted-2);
}

/* ===== FAB ===== */
.fab-support{
  position:fixed;left:16px;bottom:96px;z-index:50;
  display:inline-flex;align-items:center;gap:9px;min-height:56px;padding:0 18px;
  border-radius:999px;font-weight:900;font-size:.88rem;color:var(--text);
  background:rgba(7,7,13,.8);
  -webkit-backdrop-filter:blur(12px);backdrop-filter:blur(12px);
  border:1px solid rgba(56,189,248,.55);
  box-shadow:0 0 20px rgba(6,182,212,.45);
  animation:fabPulse 2.6s ease-in-out infinite;
}
.fab-support i{color:var(--cyan);font-size:1.05rem}
.fab-support:hover{color:#fff;border-color:#ec4899;box-shadow:0 0 28px rgba(236,72,153,.5);transform:scale(1.05);animation-play-state:paused}
.fab-support:active{transform:scale(.96)}
@keyframes fabPulse{0%,100%{opacity:.78}50%{opacity:1}}

/* ===== Responsive ===== */
@media (max-width:1024px){
  .main-nav{display:none}
  .menu-toggle{display:inline-flex}
  .brand-name{max-width:300px}
  .cat-shell{grid-template-columns:1fr;gap:34px}
  .split{grid-template-columns:1fr;gap:30px}
  .scenario-grid{grid-template-columns:repeat(2,minmax(0,1fr))}
  .stat-strip{grid-template-columns:repeat(2,minmax(0,1fr))}
  .stat-item:nth-child(3){border-left:0}
  .stat-item:nth-child(n+3){border-top:1px solid var(--line)}
  .pay-grid{grid-template-columns:repeat(2,minmax(0,1fr))}
  .cta-panel{grid-template-columns:1fr;padding:30px}
  .footer-grid{grid-template-columns:1fr 1fr;gap:28px}
}
@media (max-width:768px){
  .section{padding:64px 0}
  .section-sm{padding:46px 0}
  .cat-hero{padding:52px 0 50px}
  .nav-shell{gap:12px}
  .login-btn,.signup-btn{padding:8px 11px;font-size:.82rem}
  .brand-name{max-width:190px;font-size:.82rem}
  .brand-note{display:none}
  .scenario-grid{grid-template-columns:1fr}
  .time-row{grid-template-columns:76px 1fr;gap:10px}
  .cta-panel{padding:24px 20px}
  .time-panel{padding:20px}
}
@media (max-width:520px){
  .container{width:calc(100% - 24px)}
  .stat-strip{grid-template-columns:1fr}
  .stat-item{border-left:0;border-top:1px solid var(--line);padding:20px}
  .stat-item:first-child{border-top:0}
  .pay-grid{grid-template-columns:1fr}
  .hero-actions .btn-main,.hero-actions .btn-line{width:100%}
  .step-item{grid-template-columns:1fr;gap:12px}
  .footer-grid{grid-template-columns:1fr}
  .fab-support{left:12px;bottom:88px;min-height:52px;padding:0 15px;font-size:.82rem}
  .footer-bottom{flex-direction:column;align-items:flex-start}
}

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