/* roulang page: index */
:root{
  --bg:#060a14;
  --bg-soft:#0a1122;
  --bg-deep:#04070f;
  --panel:rgba(20,30,54,.66);
  --panel-solid:#101a30;
  --line:rgba(122,160,255,.16);
  --line-strong:rgba(122,160,255,.34);
  --text:#e9effd;
  --muted:#94a4c6;
  --brand:#3d8bff;
  --brand-2:#22d3ee;
  --brand-3:#7c5cff;
  --radius:14px;
  --radius-sm:10px;
  --shadow:0 18px 40px -22px rgba(3,10,30,.95);
  --shadow-hover:0 26px 56px -20px rgba(24,92,220,.55);
  --container:1180px;
}
*,*::before,*::after{box-sizing:border-box;}
html{scroll-behavior:smooth;}
body{
  margin:0;
  font-family:"PingFang SC","Hiragino Sans GB","Microsoft YaHei",-apple-system,BlinkMacSystemFont,"Segoe UI",Roboto,"Helvetica Neue",Arial,sans-serif;
  background:
    radial-gradient(1200px 620px at 50% -12%,rgba(47,104,224,.30),transparent 62%),
    radial-gradient(900px 520px at 92% 12%,rgba(34,211,238,.12),transparent 60%),
    var(--bg);
  color:var(--text);
  font-size:16px;
  line-height:1.78;
  -webkit-font-smoothing:antialiased;
  overflow-x:hidden;
}
img{max-width:100%;display:block;}
a{color:#8fb6ff;text-decoration:none;}
a:hover{color:#c6dcff;}
button{font-family:inherit;}
h1,h2,h3,h4,h5,h6{margin:0 0 .5em;line-height:1.32;font-weight:800;letter-spacing:.01em;color:var(--text);}
p{margin:0 0 1em;}
ul,ol{margin:0;padding:0;list-style:none;}
a:focus-visible,button:focus-visible,input:focus-visible{outline:2px solid var(--brand-2);outline-offset:3px;border-radius:6px;}

.container{width:100%;max-width:var(--container);margin:0 auto;padding:0 24px;}

/* ---------- buttons ---------- */
.btn{
  display:inline-flex;align-items:center;justify-content:center;gap:8px;
  height:44px;padding:0 22px;border-radius:9px;font-size:15px;font-weight:700;
  border:1px solid transparent;cursor:pointer;white-space:nowrap;
  transition:transform .2s ease,box-shadow .25s ease,background .2s ease,border-color .2s ease,color .2s ease;
}
.btn-primary{
  background:linear-gradient(135deg,#3d8bff,#22d3ee);
  color:#03101f;
  box-shadow:0 0 22px rgba(61,139,255,.45),0 10px 24px -14px rgba(34,211,238,.9);
}
.btn-primary:hover{transform:translateY(-2px);box-shadow:0 0 34px rgba(34,211,238,.62),0 14px 30px -14px rgba(34,211,238,.9);color:#03101f;}
.btn-ghost{
  background:rgba(255,255,255,.04);color:var(--text);
  border-color:var(--line-strong);
}
.btn-ghost:hover{background:rgba(61,139,255,.16);border-color:rgba(61,139,255,.55);transform:translateY(-2px);color:#fff;}

/* ---------- header ---------- */
.site-header{
  position:sticky;top:0;z-index:80;
  background:rgba(6,10,20,.86);
  border-bottom:1px solid var(--line);
  backdrop-filter:blur(16px);
  -webkit-backdrop-filter:blur(16px);
  transition:box-shadow .3s ease,background .3s ease;
}
.site-header.is-compact{box-shadow:0 12px 30px -18px rgba(0,0,0,.95);background:rgba(6,10,20,.95);}
.brand-row{
  max-height:78px;opacity:1;overflow:hidden;
  transition:max-height .34s ease,opacity .26s ease;
  border-bottom:1px solid var(--line);
}
.site-header.is-compact .brand-row{max-height:0;opacity:0;border-bottom-color:transparent;}
.brand-inner{display:flex;align-items:center;gap:22px;height:76px;}
.logo{
  display:inline-flex;align-items:center;gap:10px;
  font-size:21px;font-weight:800;color:var(--text);letter-spacing:.02em;
}
.logo:hover{color:#fff;}
.logo::before{
  content:"";width:9px;height:24px;border-radius:4px;
  background:linear-gradient(180deg,var(--brand),var(--brand-2));
  box-shadow:0 0 16px rgba(61,139,255,.8);
}
.brand-note{margin:0;font-size:13px;color:var(--muted);}
.brand-actions{margin-left:auto;display:flex;gap:12px;}

.channel-inner{display:flex;align-items:center;justify-content:space-between;height:56px;gap:16px;}
.main-nav{display:flex;align-items:center;gap:6px;}
.main-nav a{
  position:relative;padding:8px 15px;border-radius:9px;
  color:var(--muted);font-size:15px;font-weight:600;
  transition:color .2s ease,background .2s ease,box-shadow .2s ease;
}
.main-nav a:hover{color:#fff;background:rgba(61,139,255,.14);}
.main-nav a.is-active{
  color:#fff;
  background:linear-gradient(180deg,rgba(61,139,255,.32),rgba(61,139,255,.12));
  box-shadow:inset 0 0 0 1px rgba(61,139,255,.5),0 0 18px -6px rgba(61,139,255,.8);
}
.nav-toggle{
  display:none;width:44px;height:44px;border-radius:10px;
  border:1px solid var(--line-strong);background:rgba(255,255,255,.04);
  flex-direction:column;align-items:center;justify-content:center;gap:5px;cursor:pointer;
}
.nav-toggle span{display:block;width:19px;height:2px;border-radius:2px;background:#cfe0ff;transition:.22s;}
.nav-toggle[aria-expanded="true"] span:nth-child(1){transform:translateY(7px) rotate(45deg);}
.nav-toggle[aria-expanded="true"] span:nth-child(2){opacity:0;}
.nav-toggle[aria-expanded="true"] span:nth-child(3){transform:translateY(-7px) rotate(-45deg);}
.mobile-nav{
  display:none;flex-direction:column;gap:4px;
  padding:0 20px 16px;border-top:1px solid var(--line);
}
.mobile-nav.is-open{display:flex;}
.mobile-nav a{
  padding:12px 14px;border-radius:10px;color:var(--muted);font-weight:600;
  background:rgba(255,255,255,.03);transition:.2s;
}
.mobile-nav a:hover,.mobile-nav a.is-active{color:#fff;background:rgba(61,139,255,.18);}

/* ---------- hero ---------- */
.hero{position:relative;padding:74px 0 68px;overflow:hidden;border-bottom:1px solid var(--line);}
.hero-bg{
  position:absolute;inset:0;
  background-image:url('/assets/images/3ca365483340e27b.webp');
  background-size:cover;background-position:center;opacity:.22;
}
.hero::after{
  content:"";position:absolute;inset:0;
  background:
    radial-gradient(900px 420px at 50% 0%,rgba(34,211,238,.20),transparent 66%),
    linear-gradient(180deg,rgba(6,10,20,.5),rgba(6,10,20,.94) 90%);
}
.hero-inner{position:relative;z-index:2;max-width:880px;text-align:center;}
.eyebrow{
  display:inline-flex;align-items:center;gap:8px;
  padding:6px 15px;border-radius:999px;font-size:13px;font-weight:600;
  color:#a9c8ff;background:rgba(61,139,255,.14);
  border:1px solid rgba(61,139,255,.36);
  box-shadow:0 0 20px -6px rgba(61,139,255,.8);
}
.hero h1{
  margin:22px 0 18px;
  font-size:clamp(29px,4vw,44px);
  font-weight:800;line-height:1.26;
  background:linear-gradient(180deg,#ffffff,#a8c6ff);
  -webkit-background-clip:text;background-clip:text;color:transparent;
}
.hero-desc{color:var(--muted);font-size:15.5px;max-width:760px;margin:0 auto;text-align:left;}
.hero-search{
  display:flex;gap:10px;max-width:680px;margin:32px auto 0;padding:8px;
  border-radius:16px;border:1px solid var(--line-strong);
  background:rgba(16,26,48,.78);backdrop-filter:blur(12px);
  box-shadow:var(--shadow);
}
.hero-search input{
  flex:1;min-width:0;height:48px;border:0;background:transparent;
  color:var(--text);font-size:15px;padding:0 14px;font-family:inherit;
}
.hero-search input::placeholder{color:#6f81a6;}
.hero-cta{display:flex;gap:14px;justify-content:center;margin-top:26px;flex-wrap:wrap;}
.chips{display:flex;flex-wrap:wrap;gap:10px;justify-content:center;margin-top:26px;}
.chips-label{font-size:13px;color:#7d8fb4;align-self:center;margin-right:2px;}
.chip{
  padding:7px 15px;border-radius:999px;font-size:13px;
  color:#bed0ef;background:rgba(61,139,255,.09);
  border:1px solid var(--line);transition:.2s;
}
.chip:hover{color:#fff;background:rgba(61,139,255,.22);border-color:rgba(61,139,255,.55);transform:translateY(-2px);}

/* ---------- sections ---------- */
.section{padding:76px 0;position:relative;}
.section--alt{
  background:linear-gradient(180deg,rgba(10,17,34,.92),rgba(6,10,20,.92));
  border-top:1px solid var(--line);
  border-bottom:1px solid var(--line);
}
.section-head{max-width:760px;margin-bottom:38px;}
.section-head--center{margin-left:auto;margin-right:auto;text-align:center;}
.section-title{
  display:flex;align-items:center;gap:12px;
  font-size:clamp(22px,2.6vw,31px);margin:0 0 12px;font-weight:800;
}
.section-title::before{
  content:"";flex:0 0 auto;width:5px;height:26px;border-radius:3px;
  background:linear-gradient(180deg,var(--brand),var(--brand-2));
  box-shadow:0 0 14px rgba(61,139,255,.8);
}
.section-head--center .section-title{justify-content:center;}
.section-desc{margin:0;color:var(--muted);font-size:15px;}

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

/* ---------- cards ---------- */
.panel-card{
  position:relative;display:flex;flex-direction:column;gap:12px;height:100%;
  padding:26px;border-radius:var(--radius);
  border:1px solid var(--line);
  background:linear-gradient(165deg,rgba(24,36,64,.72),rgba(11,18,36,.8));
  box-shadow:var(--shadow);backdrop-filter:blur(10px);
  transition:transform .22s ease,box-shadow .25s ease,border-color .25s ease;
}
.panel-card:hover{
  transform:translateY(-4px);
  border-color:rgba(61,139,255,.52);
  box-shadow:var(--shadow-hover);
}
.panel-card h3{font-size:18px;margin:0;}
.panel-card p{margin:0;color:var(--muted);font-size:14.5px;}
.card-icon{
  width:46px;height:46px;border-radius:12px;display:inline-flex;align-items:center;justify-content:center;
  background:linear-gradient(140deg,rgba(61,139,255,.28),rgba(34,211,238,.14));
  border:1px solid rgba(61,139,255,.36);color:#9ec6ff;
  box-shadow:0 0 20px -8px rgba(61,139,255,.9);
}
.card-icon svg{width:22px;height:22px;}
.tag{
  display:inline-flex;align-items:center;align-self:flex-start;
  padding:4px 11px;border-radius:999px;font-size:12px;font-weight:600;
  color:#a9c8ff;background:rgba(61,139,255,.14);
  border:1px solid rgba(61,139,255,.32);
}

/* ---------- entry matrix ---------- */
.entry-card{
  display:block;border-radius:var(--radius);overflow:hidden;
  border:1px solid var(--line);background:rgba(14,22,42,.72);
  box-shadow:var(--shadow);
  transition:transform .22s ease,box-shadow .25s ease,border-color .25s ease;
  color:var(--text);height:100%;
}
.entry-card:hover{transform:translateY(-4px);border-color:rgba(61,139,255,.55);box-shadow:var(--shadow-hover);color:var(--text);}
.entry-media{position:relative;height:158px;overflow:hidden;background:#0b1428;}
.entry-media img{width:100%;height:100%;object-fit:cover;transition:transform .4s ease;opacity:.88;}
.entry-card:hover .entry-media img{transform:scale(1.06);}
.entry-media::after{
  content:"";position:absolute;inset:0;
  background:linear-gradient(180deg,rgba(6,10,20,.05),rgba(6,10,20,.82));
}
.entry-body{padding:22px;}
.entry-body h3{font-size:18px;margin:0 0 8px;}
.entry-body p{margin:0;color:var(--muted);font-size:14.5px;}
.entry-more{
  display:inline-flex;align-items:center;gap:6px;margin-top:14px;
  font-size:13px;font-weight:700;color:#7fb6ff;
}

/* ---------- post list ---------- */
.post-list{display:grid;grid-template-columns:repeat(2,1fr);gap:18px;}
.post-item{
  display:flex;gap:16px;padding:16px;border-radius:12px;
  border:1px solid var(--line);background:rgba(14,22,42,.62);
  color:var(--text);
  transition:transform .22s ease,box-shadow .25s ease,border-color .25s ease,background .22s ease;
}
.post-item:hover{
  transform:translateY(-3px);
  border-color:rgba(61,139,255,.5);
  box-shadow:var(--shadow-hover);
  background:rgba(20,32,58,.78);
  color:var(--text);
}
.post-thumb{flex:0 0 112px;height:92px;border-radius:10px;overflow:hidden;background:#0d1730;}
.post-thumb img{width:100%;height:100%;object-fit:cover;}
.post-body{display:flex;flex-direction:column;gap:6px;min-width:0;}
.post-body h3{
  font-size:15.5px;margin:0;
  display:-webkit-box;-webkit-line-clamp:2;-webkit-box-orient:vertical;overflow:hidden;
}
.post-body p{
  margin:0;font-size:13px;color:var(--muted);
  display:-webkit-box;-webkit-line-clamp:2;-webkit-box-orient:vertical;overflow:hidden;
}
.post-meta{display:flex;gap:10px;align-items:center;font-size:12px;color:#7d8fb4;}
.post-meta .tag{align-self:center;}
.empty-state{
  padding:34px;border-radius:12px;text-align:center;color:var(--muted);
  border:1px dashed var(--line-strong);background:rgba(14,22,42,.5);
}

/* ---------- feature / rule cards ---------- */
.rule-card li{
  display:flex;gap:10px;padding:9px 0;font-size:14.5px;color:var(--muted);
  border-bottom:1px dashed rgba(122,160,255,.12);
}
.rule-card li:last-child{border-bottom:0;padding-bottom:0;}
.rule-card li strong{color:#cfe0ff;font-weight:700;flex:0 0 auto;}

/* ---------- steps ---------- */
.steps{display:grid;grid-template-columns:repeat(3,1fr);gap:22px;counter-reset:step;}
.step{
  position:relative;padding:28px 24px;border-radius:var(--radius);
  border:1px solid var(--line);background:rgba(14,22,42,.6);
  box-shadow:var(--shadow);transition:.22s;
}
.step:hover{transform:translateY(-4px);border-color:rgba(61,139,255,.5);box-shadow:var(--shadow-hover);}
.step::before{
  counter-increment:step;content:"0" counter(step);
  display:block;font-size:28px;font-weight:800;line-height:1;
  background:linear-gradient(135deg,#7fb6ff,#22d3ee);
  -webkit-background-clip:text;background-clip:text;color:transparent;
  margin-bottom:14px;
}
.step h3{font-size:17px;}
.step p{margin:0;color:var(--muted);font-size:14.5px;}

/* ---------- stats ---------- */
.stat-strip{
  display:grid;grid-template-columns:repeat(4,1fr);gap:18px;
  padding:34px;border-radius:18px;
  border:1px solid var(--line-strong);
  background:linear-gradient(120deg,rgba(24,42,84,.82),rgba(12,20,40,.86));
  box-shadow:0 26px 60px -34px rgba(24,92,220,.9);
}
.stat strong{
  display:block;font-size:30px;font-weight:800;line-height:1.1;
  background:linear-gradient(135deg,#8dc0ff,#22d3ee);
  -webkit-background-clip:text;background-clip:text;color:transparent;
}
.stat span{display:block;margin-top:8px;font-size:13.5px;color:var(--muted);}

/* ---------- voices ---------- */
.voice{
  padding:26px;border-radius:var(--radius);
  border:1px solid var(--line);background:rgba(14,22,42,.62);
  box-shadow:var(--shadow);transition:.22s;height:100%;
}
.voice:hover{transform:translateY(-4px);border-color:rgba(61,139,255,.5);box-shadow:var(--shadow-hover);}
.voice p{margin:0 0 16px;font-size:14.5px;color:#c2d2ee;}
.voice-by{display:flex;align-items:center;gap:10px;font-size:13px;color:#7d8fb4;}
.voice-avatar{
  width:34px;height:34px;border-radius:50%;
  background:linear-gradient(140deg,rgba(61,139,255,.6),rgba(34,211,238,.32));
  display:inline-flex;align-items:center;justify-content:center;
  font-size:13px;font-weight:800;color:#04101f;
}

/* ---------- promise strip ---------- */
.promise-strip{
  display:grid;grid-template-columns:repeat(4,1fr);gap:18px;
  padding:26px;border-radius:16px;
  border:1px solid var(--line);background:rgba(12,20,40,.72);
}
.promise{display:flex;align-items:center;gap:12px;font-size:14px;color:#c2d2ee;}
.promise svg{width:22px;height:22px;color:#5fd3e8;flex:0 0 auto;}

/* ---------- faq ---------- */
.qa-list{display:grid;grid-template-columns:repeat(2,1fr);gap:18px;}
.qa{
  padding:24px;border-radius:12px;
  border:1px solid var(--line);background:rgba(14,22,42,.62);
  transition:.22s;
}
.qa:hover{border-color:rgba(61,139,255,.5);box-shadow:var(--shadow);}
.qa h3{font-size:16px;margin:0 0 10px;color:#dbe7ff;}
.qa p{margin:0;color:var(--muted);font-size:14.5px;}

/* ---------- final cta ---------- */
.closing{
  position:relative;overflow:hidden;padding:64px 0;
  border-top:1px solid var(--line);
  background:
    radial-gradient(760px 340px at 20% 0%,rgba(61,139,255,.22),transparent 66%),
    radial-gradient(680px 320px at 88% 100%,rgba(34,211,238,.16),transparent 62%),
    rgba(8,13,26,.92);
}
.closing-inner{display:flex;align-items:center;justify-content:space-between;gap:34px;flex-wrap:wrap;}
.closing h2{font-size:clamp(22px,2.6vw,30px);margin:0 0 10px;}
.closing p{margin:0;color:var(--muted);max-width:620px;font-size:15px;}
.closing-actions{display:flex;gap:14px;flex-wrap:wrap;}

/* ---------- footer ---------- */
.site-footer{border-top:1px solid var(--line);background:rgba(4,7,15,.96);}
.footer-grid{display:grid;grid-template-columns:1.6fr 1fr 1fr;gap:40px;padding:56px 0 42px;}
.footer-brand p{color:var(--muted);font-size:14px;margin:16px 0 0;max-width:340px;}
.footer-col h4{font-size:15px;margin:0 0 16px;color:#dbe7ff;letter-spacing:.04em;}
.footer-col li{margin-bottom:10px;}
.footer-col a{font-size:14px;color:var(--muted);transition:.2s;}
.footer-col a:hover{color:#8fb6ff;}
.footer-bottom{
  border-top:1px solid var(--line);padding:20px 0;
  font-size:13px;color:#6f81a6;display:flex;
}
.footer-bottom .container{display:flex;justify-content:space-between;gap:16px;flex-wrap:wrap;}

/* ---------- responsive ---------- */
@media (max-width:1024px){
  .grid-4,.promise-strip,.stat-strip{grid-template-columns:repeat(2,1fr);}
  .grid-3,.steps{grid-template-columns:repeat(2,1fr);}
  .hero{padding:58px 0 54px;}
}
@media (max-width:900px){
  .main-nav{display:none;}
  .nav-toggle{display:inline-flex;}
  .channel-inner{justify-content:flex-end;}
  .brand-note{display:none;}
}
@media (max-width:768px){
  .grid-2,.grid-3,.grid-4,.steps,.post-list,.qa-list,.stat-strip,.promise-strip{grid-template-columns:1fr;}
  .brand-actions{display:none;}
  .hero-search{flex-direction:column;padding:12px;}
  .hero-search input{height:44px;}
  .hero-search .btn{width:100%;}
  .section{padding:56px 0;}
  .footer-grid{grid-template-columns:1fr;gap:30px;padding:42px 0 32px;}
  .closing-inner{flex-direction:column;align-items:flex-start;}
}
@media (max-width:520px){
  .container{padding:0 16px;}
  .hero h1{font-size:26px;}
  .hero-desc{font-size:14.5px;}
  .post-item{flex-direction:column;}
  .post-thumb{flex:none;width:100%;height:152px;}
  .stat-strip,.promise-strip{padding:22px;}
  .btn{height:42px;padding:0 18px;font-size:14.5px;}
}

/* roulang page: article */
:root{
 --bg:#060a14;
 --bg-soft:#0a1122;
 --bg-deep:#04070f;
 --panel:rgba(20,30,54,.66);
 --panel-solid:#101a30;
 --line:rgba(122,160,255,.16);
 --line-strong:rgba(122,160,255,.34);
 --text:#e9effd;
 --muted:#94a4c6;
 --brand:#3d8bff;
 --brand-2:#22d3ee;
 --brand-3:#7c5cff;
 --radius:14px;
 --radius-sm:10px;
 --shadow:0 18px 40px -22px rgba(3,10,30,.95);
 --shadow-hover:0 26px 56px -20px rgba(24,92,220,.55);
 --container:1180px;
}
*,*::before,*::after{box-sizing:border-box;}
html{scroll-behavior:smooth;}
body{
 margin:0;
 font-family:"PingFang SC","Hiragino Sans GB","Microsoft YaHei",-apple-system,BlinkMacSystemFont,"Segoe UI",Roboto,"Helvetica Neue",Arial,sans-serif;
 background:
 radial-gradient(1200px 620px at 50% -12%,rgba(47,104,224,.30),transparent 62%),
 radial-gradient(900px 520px at 92% 12%,rgba(34,211,238,.12),transparent 60%),
 var(--bg);
 color:var(--text);
 font-size:16px;
 line-height:1.78;
 -webkit-font-smoothing:antialiased;
 overflow-x:hidden;
}
img{max-width:100%;display:block;border-style:none;}
a{color:#8fb6ff;text-decoration:none;transition:color .2s ease;}
a:hover{color:#c6dcff;}
button{font-family:inherit;}
a:focus-visible,button:focus-visible,input:focus-visible,summary:focus-visible{outline:2px solid var(--brand-2);outline-offset:3px;border-radius:6px;}
.container{width:100%;max-width:var(--container);margin:0 auto;padding:0 24px;}
/* ---------- buttons ---------- */
.btn{
 display:inline-flex;align-items:center;justify-content:center;gap:8px;
 height:44px;padding:0 22px;border-radius:9px;font-size:15px;font-weight:700;
 border:1px solid transparent;cursor:pointer;white-space:nowrap;
 transition:transform .2s ease,box-shadow .25s ease,background .2s ease,border-color .2s ease,color .2s ease;
}
.btn-primary{
 background:linear-gradient(135deg,#3d8bff,#22d3ee);
 color:#03101f;
 box-shadow:0 0 22px rgba(61,139,255,.45),0 10px 24px -14px rgba(34,211,238,.9);
}
.btn-primary:hover{transform:translateY(-2px);box-shadow:0 0 34px rgba(34,211,238,.62),0 14px 30px -14px rgba(34,211,238,.9);color:#03101f;}
.btn-ghost{
 background:rgba(255,255,255,.04);color:var(--text);
 border-color:var(--line-strong);
}
.btn-ghost:hover{background:rgba(61,139,255,.16);border-color:rgba(61,139,255,.55);transform:translateY(-2px);color:#fff;}
/* ---------- header ---------- */
.site-header{
 position:sticky;top:0;z-index:80;
 background:rgba(6,10,20,.86);
 border-bottom:1px solid var(--line);
 backdrop-filter:blur(16px);
 -webkit-backdrop-filter:blur(16px);
 transition:box-shadow .3s ease,background .3s ease;
}
.site-header.is-compact{box-shadow:0 12px 30px -18px rgba(0,0,0,.95);background:rgba(6,10,20,.95);}
.brand-row{
 max-height:78px;opacity:1;overflow:hidden;
 transition:max-height .34s ease,opacity .26s ease;
 border-bottom:1px solid var(--line);
}
.site-header.is-compact .brand-row{max-height:0;opacity:0;border-bottom-color:transparent;}
.brand-inner{display:flex;align-items:center;gap:22px;height:76px;}
.logo{
 display:inline-flex;align-items:center;gap:10px;
 font-size:21px;font-weight:800;color:var(--text);letter-spacing:.02em;
}
.logo:hover{color:#fff;}
.logo::before{
 content:"";width:9px;height:24px;border-radius:4px;
 background:linear-gradient(180deg,var(--brand),var(--brand-2));
 box-shadow:0 0 16px rgba(61,139,255,.8);
}
.brand-note{margin:0;font-size:13px;color:var(--muted);}
.brand-actions{margin-left:auto;display:flex;gap:12px;}
.nav-row{display:flex;align-items:center;gap:16px;padding-top:6px;padding-bottom:8px;min-height:58px;}
.main-nav{display:flex;align-items:center;gap:6px;flex-wrap:wrap;margin-left:auto;}
.main-nav a{
 position:relative;padding:8px 15px;border-radius:9px;
 color:var(--muted);font-size:15px;font-weight:600;
 transition:color .2s ease,background .2s ease,box-shadow .2s ease;
}
.main-nav a:hover{color:#fff;background:rgba(61,139,255,.14);}
.main-nav a.is-active{
 color:#fff;
 background:linear-gradient(180deg,rgba(61,139,255,.32),rgba(61,139,255,.12));
 box-shadow:inset 0 0 0 1px rgba(61,139,255,.5),0 0 18px -6px rgba(61,139,255,.8);
}
.nav-toggle{
 display:none;width:44px;height:44px;border-radius:10px;
 border:1px solid var(--line-strong);background:rgba(255,255,255,.04);
 flex-direction:column;align-items:center;justify-content:center;gap:5px;cursor:pointer;
}
.nav-toggle span{display:block;width:19px;height:2px;border-radius:2px;background:#cfe0ff;transition:.22s;}
.nav-toggle[aria-expanded="true"] span:nth-child(1){transform:translateY(7px) rotate(45deg);}
.nav-toggle[aria-expanded="true"] span:nth-child(2){opacity:0;}
.nav-toggle[aria-expanded="true"] span:nth-child(3){transform:translateY(-7px) rotate(-45deg);}
.mobile-nav{
 display:none;flex-direction:column;gap:4px;
 padding:0 20px 16px;border-top:1px solid var(--line);
}
.mobile-nav.is-open{display:flex;}
.mobile-nav a{
 padding:12px 14px;border-radius:10px;color:var(--muted);font-weight:600;
 background:rgba(255,255,255,.03);transition:.2s;
}
.mobile-nav a:hover,.mobile-nav a.is-active{color:#fff;background:rgba(61,139,255,.18);}
/* ---------- article hero ---------- */
.article-hero{position:relative;padding:52px 0 46px;overflow:hidden;border-bottom:1px solid var(--line);}
.article-hero .hero-bg{
 position:absolute;inset:0;
 background-image:url('/assets/images/208caf97ad997d94.webp');
 background-size:cover;background-position:center;opacity:.18;
}
.article-hero::after{
 content:"";position:absolute;inset:0;
 background:
 radial-gradient(760px 360px at 18% 0%,rgba(61,139,255,.24),transparent 66%),
 linear-gradient(180deg,rgba(6,10,20,.58),rgba(6,10,20,.95));
}
.article-hero .container{position:relative;z-index:2;}
.crumb{display:flex;flex-wrap:wrap;align-items:center;gap:8px;font-size:13px;color:#7f92b8;margin-bottom:20px;}
.crumb a{color:#93a8cd;}
.crumb a:hover{color:#fff;}
.crumb span.sep{color:#4d5f80;}
.hero-state{display:flex;flex-wrap:wrap;align-items:center;gap:10px;margin-bottom:20px;}
.chip{
 display:inline-flex;align-items:center;gap:7px;
 padding:5px 13px;border-radius:999px;font-size:12.5px;font-weight:600;
 color:#a9c8ff;background:rgba(61,139,255,.14);
 border:1px solid rgba(61,139,255,.36);
 box-shadow:0 0 20px -8px rgba(61,139,255,.9);
}
.chip.chip-cyan{color:#9fe8f6;background:rgba(34,211,238,.12);border-color:rgba(34,211,238,.34);box-shadow:0 0 20px -8px rgba(34,211,238,.8);}
.chip.chip-plain{color:#b6c6e4;background:rgba(255,255,255,.05);border-color:var(--line);box-shadow:none;}
.article-hero h1{
 margin:0 0 18px;max-width:920px;
 font-size:clamp(26px,3.4vw,40px);
 font-weight:800;line-height:1.32;letter-spacing:.01em;
 background:linear-gradient(180deg,#ffffff,#a8c6ff);
 -webkit-background-clip:text;background-clip:text;color:transparent;
}
.article-lede{margin:0;max-width:860px;color:#b9c8e6;font-size:15px;line-height:1.86;}
/* ---------- sections ---------- */
main{display:block;}
.section{padding:64px 0;position:relative;}
.section--alt{background:var(--bg-soft);border-top:1px solid var(--line);border-bottom:1px solid var(--line);}
.section-head{max-width:800px;margin-bottom:34px;}
.section-head h2{
 margin:0 0 12px;font-size:clamp(21px,2.5vw,28px);font-weight:800;color:#fff;line-height:1.36;
}
.section-head h2::before{
 content:"";display:block;width:38px;height:3px;border-radius:3px;
 background:linear-gradient(90deg,var(--brand),var(--brand-2));
 margin-bottom:14px;box-shadow:0 0 14px rgba(61,139,255,.8);
}
.section-head p{margin:0;color:var(--muted);font-size:14.8px;}
/* ---------- glass panels ---------- */
.glass{
 background:var(--panel);
 border:1px solid var(--line);
 border-radius:var(--radius);
 box-shadow:var(--shadow);
 backdrop-filter:blur(14px);
 -webkit-backdrop-filter:blur(14px);
}
/* ---------- article layout ---------- */
.article-layout{display:grid;grid-template-columns:minmax(0,1fr) 322px;gap:32px;align-items:start;}
.article-main{padding:36px 40px;}
.article-main .prose{font-size:15.5px;line-height:1.86;color:#d5e0f5;}
.prose > *:first-child{margin-top:0;}
.prose h2{
 margin:38px 0 14px;font-size:23px;font-weight:800;line-height:1.4;color:#fff;
 padding-left:14px;border-left:4px solid var(--brand);border-radius:2px;
}
.prose h3{margin:28px 0 10px;font-size:18.5px;font-weight:700;color:#fff;line-height:1.5;}
.prose h4{margin:22px 0 8px;font-size:16.5px;font-weight:700;color:#e6eeff;}
.prose p{margin:0 0 16px;}
.prose ul,.prose ol{margin:0 0 18px;padding-left:22px;}
.prose li{margin:7px 0;}
.prose strong{color:#fff;font-weight:700;}
.prose em{color:#9fdcf0;font-style:normal;}
.prose a{color:#8fb6ff;text-decoration:underline;text-underline-offset:3px;}
.prose blockquote{
 margin:22px 0;padding:16px 20px;border-radius:var(--radius-sm);
 border:1px solid var(--line);border-left:3px solid var(--brand-2);
 background:rgba(34,211,238,.07);color:#c2e6f2;
}
.prose blockquote p:last-child{margin-bottom:0;}
.prose img{border-radius:var(--radius-sm);margin:20px 0;border:1px solid var(--line);}
.prose table{width:100%;border-collapse:collapse;margin:22px 0;font-size:14.5px;}
.prose th,.prose td{border:1px solid var(--line);padding:10px 13px;text-align:left;vertical-align:top;}
.prose th{background:rgba(61,139,255,.14);color:#dce9ff;font-weight:700;white-space:nowrap;}
.prose tr:nth-child(even) td{background:rgba(255,255,255,.02);}
.prose hr{border:0;height:1px;background:var(--line);margin:30px 0;}
.aside-card{padding:24px;margin-bottom:18px;}
.aside-card:last-child{margin-bottom:0;}
.aside-card h3{
 margin:0 0 16px;font-size:16px;font-weight:800;color:#fff;letter-spacing:.01em;
 display:flex;align-items:center;gap:9px;
}
.aside-card h3::before{
 content:"";width:7px;height:16px;border-radius:3px;
 background:linear-gradient(180deg,var(--brand),var(--brand-2));
 box-shadow:0 0 12px rgba(61,139,255,.85);
}
.stat-list{list-style:none;margin:0;padding:0;}
.stat-list li{
 display:flex;align-items:center;justify-content:space-between;gap:12px;
 padding:11px 0;border-bottom:1px dashed rgba(122,160,255,.16);
 font-size:14px;color:#a9bade;
}
.stat-list li:last-child{border-bottom:0;padding-bottom:0;}
.stat-list strong{color:#eaf3ff;font-size:14.5px;font-weight:700;}
.aside-note p{margin:0;color:#b9c8e6;font-size:14px;line-height:1.8;}
.empty-state{text-align:center;padding:54px 20px;}
.empty-state h2{margin:0 0 12px;font-size:22px;font-weight:800;color:#fff;border:0;padding:0;}
.empty-state p{margin:0 auto 24px;max-width:460px;color:var(--muted);font-size:14.8px;}
/* ---------- quick cards ---------- */
.card-grid{display:grid;grid-template-columns:repeat(3,minmax(0,1fr));gap:22px;}
.info-card{
 display:flex;flex-direction:column;overflow:hidden;
 background:var(--panel);border:1px solid var(--line);border-radius:var(--radius);
 box-shadow:var(--shadow);
 backdrop-filter:blur(12px);-webkit-backdrop-filter:blur(12px);
 transition:transform .22s ease,box-shadow .25s ease,border-color .22s ease;
}
.info-card:hover{transform:translateY(-4px);box-shadow:var(--shadow-hover);border-color:var(--line-strong);}
.info-card .thumb{position:relative;aspect-ratio:16/9;overflow:hidden;background:#0b1424;}
.info-card .thumb img{width:100%;height:100%;object-fit:cover;transition:transform .35s ease;opacity:.9;}
.info-card:hover .thumb img{transform:scale(1.05);}
.info-card .thumb::after{
 content:"";position:absolute;inset:0;
 background:linear-gradient(180deg,rgba(6,10,20,0),rgba(6,10,20,.72));
}
.info-card .body{padding:22px 24px 26px;}
.info-card h3{margin:0 0 10px;font-size:17.5px;font-weight:800;color:#fff;line-height:1.5;}
.info-card p{margin:0 0 16px;font-size:14.4px;color:#a9bade;line-height:1.8;}
.tag{
 display:inline-flex;align-items:center;
 padding:4px 11px;border-radius:999px;font-size:12px;font-weight:600;
 color:#9fc6ff;background:rgba(61,139,255,.14);border:1px solid rgba(61,139,255,.3);
}
/* ---------- channel matrix ---------- */
.channel-grid{display:grid;grid-template-columns:repeat(3,minmax(0,1fr));gap:22px;}
.channel-card{
 display:block;padding:28px 26px 26px;border-radius:var(--radius);
 background:linear-gradient(160deg,rgba(24,38,68,.86),rgba(12,20,38,.82));
 border:1px solid var(--line);box-shadow:var(--shadow);
 transition:transform .22s ease,box-shadow .25s ease,border-color .22s ease;
}
.channel-card:hover{transform:translateY(-4px);box-shadow:var(--shadow-hover);border-color:var(--line-strong);color:inherit;}
.channel-card .num{
 display:inline-flex;align-items:center;justify-content:center;
 width:34px;height:34px;border-radius:10px;margin-bottom:16px;
 font-size:13.5px;font-weight:800;color:#03101f;
 background:linear-gradient(135deg,#3d8bff,#22d3ee);
 box-shadow:0 0 20px -6px rgba(61,139,255,.9);
}
.channel-card h3{margin:0 0 10px;font-size:18px;font-weight:800;color:#fff;line-height:1.45;}
.channel-card p{margin:0 0 18px;font-size:14.3px;color:#a9bade;line-height:1.8;}
.channel-card .more{font-size:13.5px;font-weight:700;color:#8fb6ff;}
.channel-card:hover .more{color:#c6dcff;}
/* ---------- faq ---------- */
.faq{display:grid;gap:14px;}
.faq-item{
 border-radius:var(--radius-sm);border:1px solid var(--line);
 background:var(--panel);overflow:hidden;
 transition:border-color .2s ease,box-shadow .25s ease;
}
.faq-item[open]{border-color:var(--line-strong);box-shadow:var(--shadow);}
.faq-item summary{
 list-style:none;cursor:pointer;padding:18px 22px;
 display:flex;align-items:center;justify-content:space-between;gap:16px;
 font-size:15.5px;font-weight:700;color:#eaf1ff;line-height:1.6;
}
.faq-item summary::-webkit-details-marker{display:none;}
.faq-item summary::after{
 content:"+";flex:0 0 auto;font-size:20px;font-weight:700;color:var(--brand-2);
 transition:transform .22s ease;line-height:1;
}
.faq-item[open] summary::after{transform:rotate(45deg);}
.faq-body{padding:0 22px 20px;color:#b0c0dd;font-size:14.6px;line-height:1.84;}
.faq-body p{margin:0 0 10px;}
.faq-body p:last-child{margin-bottom:0;}
/* ---------- cta ---------- */
.cta-wrap{padding:8px 0 0;}
.cta-band{
 display:flex;flex-wrap:wrap;align-items:center;justify-content:space-between;gap:26px;
 padding:44px 40px;border-radius:18px;
 background:linear-gradient(135deg,rgba(61,139,255,.22),rgba(124,92,255,.16) 55%,rgba(34,211,238,.14));
 border:1px solid var(--line-strong);
 box-shadow:0 0 60px -30px rgba(61,139,255,.9),var(--shadow);
}
.cta-band h2{margin:0 0 10px;font-size:clamp(20px,2.4vw,26px);font-weight:800;color:#fff;line-height:1.4;}
.cta-band p{margin:0;max-width:640px;color:#b9c8e6;font-size:14.8px;line-height:1.82;}
.cta-actions{display:flex;flex-wrap:wrap;gap:14px;}
/* ---------- footer ---------- */
.site-footer{border-top:1px solid var(--line);background:var(--bg-deep);padding:56px 0 0;margin-top:8px;}
.footer-grid{display:grid;grid-template-columns:1.5fr 1fr 1fr;gap:38px;padding-bottom:42px;}
.footer-col h4{margin:0 0 16px;font-size:15px;font-weight:800;color:#fff;}
.footer-col ul{list-style:none;margin:0;padding:0;}
.footer-col li{margin:0 0 10px;}
.footer-col a{color:var(--muted);font-size:14px;}
.footer-col a:hover{color:#fff;}
.footer-brand .logo{font-size:19px;}
.footer-brand p{margin:16px 0 0;max-width:400px;color:#7f92b8;font-size:13.6px;line-height:1.8;}
.footer-bottom{border-top:1px solid var(--line);padding:18px 0;}
.footer-bottom .container{display:flex;flex-wrap:wrap;justify-content:space-between;gap:10px;color:#6f81a6;font-size:13px;}
/* ---------- responsive ---------- */
@media (max-width:1024px){
 .article-layout{grid-template-columns:minmax(0,1fr);}
 .article-main{padding:32px 30px;}
 .card-grid,.channel-grid{grid-template-columns:repeat(2,minmax(0,1fr));}
 .footer-grid{grid-template-columns:1fr 1fr;}
}
@media (max-width:860px){
 .main-nav{display:none;}
 .nav-toggle{display:flex;margin-left:auto;}
 .brand-note{display:none;}
 .brand-inner{height:66px;gap:14px;}
 .brand-actions{margin-left:auto;}
 .brand-actions .btn{height:40px;padding:0 16px;font-size:14px;}
 .nav-row{min-height:56px;justify-content:flex-end;}
 .card-grid,.channel-grid{grid-template-columns:minmax(0,1fr);}
 .cta-band{padding:34px 26px;}
 .section{padding:52px 0;}
}
@media (max-width:520px){
 .container{padding:0 18px;}
 .article-hero{padding:38px 0 32px;}
 .article-main{padding:24px 20px;}
 .section{padding:44px 0;}
 .brand-actions{display:none;}
 .logo{font-size:19px;}
 .aside-card{padding:20px;}
 .faq-item summary{padding:16px 18px;font-size:14.6px;}
 .faq-body{padding:0 18px 18px;}
 .footer-bottom .container{flex-direction:column;gap:6px;}
}

/* roulang page: category1 */
:root{
 --bg:#060a14;
 --bg-soft:#0a1122;
 --bg-deep:#04070f;
 --panel:rgba(20,30,54,.66);
 --panel-solid:#101a30;
 --line:rgba(122,160,255,.16);
 --line-strong:rgba(122,160,255,.34);
 --text:#e9effd;
 --muted:#94a4c6;
 --brand:#3d8bff;
 --brand-2:#22d3ee;
 --brand-3:#7c5cff;
 --radius:14px;
 --radius-sm:10px;
 --shadow:0 18px 40px -22px rgba(3,10,30,.95);
 --shadow-hover:0 26px 56px -20px rgba(24,92,220,.55);
 --container:1180px;
}
*,*::before,*::after{box-sizing:border-box;}
html{scroll-behavior:smooth;scroll-padding-top:104px;}
body{
 margin:0;
 font-family:"PingFang SC","Hiragino Sans GB","Microsoft YaHei",-apple-system,BlinkMacSystemFont,"Segoe UI",Roboto,"Helvetica Neue",Arial,sans-serif;
 background:
 radial-gradient(1200px 620px at 50% -12%,rgba(47,104,224,.30),transparent 62%),
 radial-gradient(900px 520px at 92% 12%,rgba(34,211,238,.12),transparent 60%),
 var(--bg);
 color:var(--text);
 font-size:16px;
 line-height:1.78;
 -webkit-font-smoothing:antialiased;
 overflow-x:hidden;
 padding-bottom:76px;
}
img{max-width:100%;display:block;}
a{color:#8fb6ff;text-decoration:none;transition:color .2s ease;}
a:hover{color:#c6dcff;}
button{font-family:inherit;}
h1,h2,h3,h4,p,ul,ol,dl,dd{margin:0;}
ul,ol{padding:0;list-style:none;}
a:focus-visible,button:focus-visible,input:focus-visible,summary:focus-visible{outline:2px solid var(--brand-2);outline-offset:3px;border-radius:6px;}
.container{width:100%;max-width:var(--container);margin:0 auto;padding:0 24px;}

/* ---------- buttons ---------- */
.btn{
 display:inline-flex;align-items:center;justify-content:center;gap:8px;
 height:44px;padding:0 22px;border-radius:9px;font-size:15px;font-weight:700;
 border:1px solid transparent;cursor:pointer;white-space:nowrap;
 transition:transform .2s ease,box-shadow .25s ease,background .2s ease,border-color .2s ease,color .2s ease;
}
.btn-primary{
 background:linear-gradient(135deg,#3d8bff,#22d3ee);
 color:#03101f;
 box-shadow:0 0 22px rgba(61,139,255,.45),0 10px 24px -14px rgba(34,211,238,.9);
}
.btn-primary:hover{transform:translateY(-2px);box-shadow:0 0 34px rgba(34,211,238,.62),0 14px 30px -14px rgba(34,211,238,.9);color:#03101f;}
.btn-primary:active{transform:translateY(0);}
.btn-ghost{
 background:rgba(255,255,255,.04);color:var(--text);
 border-color:var(--line-strong);
}
.btn-ghost:hover{background:rgba(61,139,255,.16);border-color:rgba(61,139,255,.55);transform:translateY(-2px);color:#fff;}
.btn-sm{height:38px;padding:0 16px;font-size:14px;}

/* ---------- header ---------- */
.site-header{
 position:sticky;top:0;z-index:80;
 background:rgba(6,10,20,.86);
 border-bottom:1px solid var(--line);
 backdrop-filter:blur(16px);
 -webkit-backdrop-filter:blur(16px);
 transition:box-shadow .3s ease,background .3s ease;
}
.site-header.is-compact{box-shadow:0 12px 30px -18px rgba(0,0,0,.95);background:rgba(6,10,20,.95);}
.brand-row{
 max-height:84px;opacity:1;overflow:hidden;
 transition:max-height .34s ease,opacity .26s ease;
 border-bottom:1px solid var(--line);
}
.site-header.is-compact .brand-row{max-height:0;opacity:0;border-bottom-color:transparent;}
.brand-inner{display:flex;align-items:center;gap:22px;height:82px;}
.logo{
 display:inline-flex;align-items:center;gap:10px;
 font-size:21px;font-weight:800;color:var(--text);letter-spacing:.02em;
}
.logo:hover{color:#fff;}
.logo::before{
 content:"";width:9px;height:24px;border-radius:4px;
 background:linear-gradient(180deg,var(--brand),var(--brand-2));
 box-shadow:0 0 16px rgba(61,139,255,.8);
}
.brand-note{margin:0;font-size:13px;color:var(--muted);line-height:1.5;}
.brand-actions{margin-left:auto;display:flex;align-items:center;gap:12px;}
.nav-row{display:flex;align-items:center;gap:18px;padding:11px 0;}
.main-nav{display:flex;align-items:center;gap:6px;flex-wrap:wrap;}
.main-nav a{
 position:relative;padding:8px 15px;border-radius:9px;
 color:var(--muted);font-size:15px;font-weight:600;
 transition:color .2s ease,background .2s ease,box-shadow .2s ease;
}
.main-nav a:hover{color:#fff;background:rgba(61,139,255,.14);}
.main-nav a.is-active{
 color:#fff;
 background:linear-gradient(180deg,rgba(61,139,255,.32),rgba(61,139,255,.12));
 box-shadow:inset 0 0 0 1px rgba(61,139,255,.5),0 0 18px -6px rgba(61,139,255,.8);
}
.nav-toggle{
 display:none;width:44px;height:44px;border-radius:10px;margin-left:auto;
 border:1px solid var(--line-strong);background:rgba(255,255,255,.04);
 flex-direction:column;align-items:center;justify-content:center;gap:5px;cursor:pointer;
}
.nav-toggle span{display:block;width:19px;height:2px;border-radius:2px;background:#cfe0ff;transition:.22s;}
.nav-toggle[aria-expanded="true"] span:nth-child(1){transform:translateY(7px) rotate(45deg);}
.nav-toggle[aria-expanded="true"] span:nth-child(2){opacity:0;}
.nav-toggle[aria-expanded="true"] span:nth-child(3){transform:translateY(-7px) rotate(-45deg);}
.mobile-nav{
 display:none;flex-direction:column;gap:4px;
 padding:0 20px 16px;border-top:1px solid var(--line);
}
.mobile-nav.is-open{display:flex;}
.mobile-nav a{
 padding:12px 14px;border-radius:10px;color:var(--muted);font-weight:600;
 background:rgba(255,255,255,.03);transition:.2s;
}
.mobile-nav a:hover,.mobile-nav a.is-active{color:#fff;background:rgba(61,139,255,.18);}

/* ---------- hero ---------- */
.hero{position:relative;padding:66px 0 60px;overflow:hidden;border-bottom:1px solid var(--line);}
.hero-bg{
 position:absolute;inset:0;
 background-image:url('/assets/images/208caf97ad997d94.webp');
 background-size:cover;background-position:center;opacity:.2;
}
.hero::after{
 content:"";position:absolute;inset:0;
 background:
 radial-gradient(900px 420px at 22% 0%,rgba(34,211,238,.18),transparent 64%),
 linear-gradient(180deg,rgba(6,10,20,.55),rgba(6,10,20,.95) 88%);
}
.hero-inner{
 position:relative;z-index:2;
 display:grid;grid-template-columns:1.08fr .92fr;gap:48px;align-items:center;
}
.eyebrow{
 display:inline-flex;align-items:center;gap:8px;
 padding:6px 15px;border-radius:999px;font-size:13px;font-weight:600;
 color:#a9c8ff;background:rgba(61,139,255,.14);
 border:1px solid rgba(61,139,255,.36);
 box-shadow:0 0 20px -6px rgba(61,139,255,.8);
}
.hero h1{
 margin:20px 0 16px;
 font-size:clamp(28px,3.6vw,42px);
 font-weight:800;line-height:1.28;color:#f2f7ff;
 letter-spacing:.01em;
}
.hero h1 em{
 font-style:normal;
 background:linear-gradient(135deg,#63b6ff,#22d3ee);
 -webkit-background-clip:text;background-clip:text;color:transparent;
}
.hero-lead{color:var(--muted);font-size:15.5px;line-height:1.85;max-width:620px;}
.hero-tags{display:flex;flex-wrap:wrap;gap:10px;margin:24px 0 26px;}
.tag{
 display:inline-flex;align-items:center;gap:7px;
 padding:6px 14px;border-radius:999px;font-size:13px;font-weight:600;
 color:#bcd3ff;background:rgba(20,32,58,.86);
 border:1px solid var(--line-strong);
 transition:border-color .2s ease,color .2s ease,background .2s ease;
}
.tag::before{content:"";width:6px;height:6px;border-radius:50%;background:var(--brand-2);box-shadow:0 0 10px rgba(34,211,238,.9);}
.tag:hover{border-color:rgba(61,139,255,.6);color:#fff;background:rgba(30,48,84,.9);}
.hero-cta{display:flex;flex-wrap:wrap;gap:14px;}
.hero-trust{
 margin-top:26px;display:flex;align-items:center;gap:10px;
 font-size:13px;color:#7d90b6;
}
.hero-trust::before{
 content:"";width:26px;height:1px;background:linear-gradient(90deg,var(--brand-2),transparent);
}
.glass-panel{
 background:linear-gradient(160deg,rgba(28,42,74,.82),rgba(12,20,38,.86));
 border:1px solid var(--line-strong);
 border-radius:var(--radius);
 padding:24px;
 box-shadow:var(--shadow);
 backdrop-filter:blur(14px);
 -webkit-backdrop-filter:blur(14px);
}
.panel-title{
 display:flex;align-items:center;justify-content:space-between;gap:12px;
 font-size:15px;font-weight:700;color:#dfe9ff;
 padding-bottom:14px;border-bottom:1px dashed rgba(122,160,255,.22);
}
.panel-title span{font-size:12px;font-weight:600;color:#7f93b8;}
.point-row{
 display:flex;align-items:center;justify-content:space-between;gap:12px;
 padding:13px 0;border-bottom:1px solid rgba(122,160,255,.1);
}
.point-row:last-of-type{border-bottom:0;}
.point-calc{font-size:15px;font-weight:700;color:#dbe7ff;letter-spacing:.04em;}
.point-res{
 font-size:14px;font-weight:700;color:#7ff0ff;
 background:rgba(34,211,238,.12);
 border:1px solid rgba(34,211,238,.32);
 border-radius:8px;padding:3px 12px;white-space:nowrap;
}
.panel-note{margin-top:14px;font-size:13px;color:#8296bb;line-height:1.7;}

/* ---------- sections ---------- */
.section{position:relative;padding:64px 0;}
.section-alt{
 background:linear-gradient(180deg,rgba(10,17,34,.86),rgba(6,10,20,.55));
 border-top:1px solid var(--line);
 border-bottom:1px solid var(--line);
}
.section-head{max-width:760px;margin-bottom:34px;}
.section-head h2{
 position:relative;
 font-size:clamp(21px,2.4vw,29px);font-weight:800;color:#f0f5ff;line-height:1.35;
 padding-left:18px;
}
.section-head h2::before{
 content:"";position:absolute;left:0;top:6px;bottom:6px;width:4px;border-radius:3px;
 background:linear-gradient(180deg,var(--brand),var(--brand-2));
 box-shadow:0 0 14px rgba(61,139,255,.7);
}
.section-sub{margin-top:12px;color:var(--muted);font-size:15px;line-height:1.85;}

/* ---------- grids & cards ---------- */
.grid-4{display:grid;grid-template-columns:repeat(4,1fr);gap:18px;}
.grid-3{display:grid;grid-template-columns:repeat(3,1fr);gap:20px;}
.grid-2{display:grid;grid-template-columns:repeat(2,1fr);gap:20px;}
.info-card{
 background:var(--panel);
 border:1px solid var(--line);
 border-radius:var(--radius);
 padding:24px 22px;
 box-shadow:var(--shadow);
 backdrop-filter:blur(10px);
 -webkit-backdrop-filter:blur(10px);
 transition:transform .2s ease,border-color .2s ease,box-shadow .25s ease;
 height:100%;
}
.info-card:hover{transform:translateY(-4px);border-color:var(--line-strong);box-shadow:var(--shadow-hover);}
.card-icon{
 width:40px;height:40px;border-radius:11px;
 display:flex;align-items:center;justify-content:center;
 background:linear-gradient(135deg,rgba(61,139,255,.28),rgba(34,211,238,.16));
 border:1px solid rgba(61,139,255,.4);
 margin-bottom:16px;
}
.card-icon svg{width:20px;height:20px;stroke:#8fd4ff;fill:none;stroke-width:1.7;stroke-linecap:round;stroke-linejoin:round;}
.info-card h3{font-size:17px;font-weight:700;color:#eaf1ff;margin-bottom:10px;line-height:1.5;}
.info-card p{font-size:14.5px;color:var(--muted);line-height:1.8;}
.stat-num{
 font-size:30px;font-weight:800;line-height:1.2;
 background:linear-gradient(135deg,#8ec5ff,#22d3ee);
 -webkit-background-clip:text;background-clip:text;color:transparent;
 margin-bottom:6px;
}
.stat-cap{font-size:12.5px;color:#7d90b6;letter-spacing:.06em;margin-bottom:12px;}

/* ---------- rule table ---------- */
.rule-cols{display:grid;grid-template-columns:1fr 1.15fr;gap:20px;}
.rule-card{
 background:linear-gradient(160deg,rgba(24,38,68,.8),rgba(11,19,36,.86));
 border:1px solid var(--line-strong);
 border-radius:var(--radius);
 padding:26px 24px;
 box-shadow:var(--shadow);
}
.rule-card h3{
 font-size:18px;font-weight:800;color:#f1f6ff;margin-bottom:6px;
}
.rule-card .rule-hint{font-size:13.5px;color:#8093b8;margin-bottom:18px;}
.rule-row{
 display:flex;align-items:flex-start;justify-content:space-between;gap:16px;
 padding:13px 0;border-bottom:1px dashed rgba(122,160,255,.16);
}
.rule-row:last-child{border-bottom:0;padding-bottom:0;}
.rule-key{
 flex:0 0 auto;min-width:74px;
 font-size:14px;font-weight:700;color:#a9c8ff;
}
.rule-val{font-size:14.5px;color:#c8d6f0;line-height:1.7;}
.rule-val b{color:#7ff0ff;font-weight:700;}

/* ---------- steps ---------- */
.steps{display:grid;grid-template-columns:repeat(3,1fr);gap:20px;counter-reset:step;}
.step-item{
 position:relative;
 background:var(--panel);
 border:1px solid var(--line);
 border-radius:var(--radius);
 padding:26px 22px 24px;
 transition:transform .2s ease,border-color .2s ease,box-shadow .25s ease;
}
.step-item:hover{transform:translateY(-4px);border-color:var(--line-strong);box-shadow:var(--shadow-hover);}
.step-num{
 display:inline-flex;align-items:center;justify-content:center;
 width:34px;height:34px;border-radius:10px;
 font-size:15px;font-weight:800;color:#03101f;
 background:linear-gradient(135deg,#3d8bff,#22d3ee);
 box-shadow:0 0 18px rgba(61,139,255,.55);
 margin-bottom:14px;
}
.step-item h3{font-size:16.5px;font-weight:700;color:#eaf1ff;margin-bottom:9px;}
.step-item p{font-size:14.5px;color:var(--muted);line-height:1.8;}

/* ---------- compare ---------- */
.compare{display:grid;grid-template-columns:1.05fr 1fr;gap:20px;}
.compare-col{
 border-radius:var(--radius);padding:24px 22px;border:1px solid var(--line);
 background:var(--panel);
}
.compare-col.is-right{border-color:rgba(34,211,238,.3);background:linear-gradient(160deg,rgba(20,44,64,.7),rgba(10,20,34,.86));}
.compare-col h3{font-size:16px;font-weight:800;color:#eaf1ff;margin-bottom:16px;display:flex;align-items:center;gap:9px;}
.dot-ok,.dot-no{width:9px;height:9px;border-radius:50%;flex:0 0 auto;}
.dot-ok{background:#22d3ee;box-shadow:0 0 12px rgba(34,211,238,.9);}
.dot-no{background:#ff7a7a;box-shadow:0 0 12px rgba(255,122,122,.7);}
.compare-item{padding:12px 0;border-bottom:1px dashed rgba(122,160,255,.14);}
.compare-item:last-child{border-bottom:0;padding-bottom:0;}
.compare-item strong{display:block;font-size:14.5px;color:#dfe9ff;margin-bottom:5px;font-weight:700;}
.compare-item span{font-size:14px;color:var(--muted);line-height:1.75;}

/* ---------- chips ---------- */
.chip-wrap{display:flex;flex-wrap:wrap;gap:10px;margin-bottom:26px;}
.chip{
 display:inline-flex;align-items:center;
 padding:7px 15px;border-radius:999px;
 font-size:13.5px;font-weight:600;color:#bcd3ff;
 background:rgba(22,34,60,.86);border:1px solid var(--line);
 transition:.2s ease;
}
.chip:hover{color:#fff;border-color:rgba(61,139,255,.6);background:rgba(32,50,88,.9);transform:translateY(-2px);}
.term-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:16px;}
.term-item{
 background:rgba(16,26,48,.6);border:1px solid var(--line);border-radius:var(--radius-sm);
 padding:18px;
 transition:border-color .2s ease,transform .2s ease;
}
.term-item:hover{border-color:var(--line-strong);transform:translateY(-3px);}
.term-item dt{font-size:15px;font-weight:700;color:#e6efff;margin-bottom:7px;}
.term-item dd{font-size:14px;color:var(--muted);line-height:1.75;}

/* ---------- checklist ---------- */
.check-list{display:grid;grid-template-columns:repeat(2,1fr);gap:14px;}
.check-item{
 display:flex;align-items:flex-start;gap:14px;
 padding:16px 18px;border-radius:var(--radius-sm);
 background:rgba(16,26,48,.62);border:1px solid var(--line);
 transition:border-color .2s ease,background .2s ease;
}
.check-item:hover{border-color:var(--line-strong);background:rgba(22,36,64,.8);}
.check-mark{
 flex:0 0 auto;width:26px;height:26px;border-radius:8px;
 display:flex;align-items:center;justify-content:center;
 background:rgba(34,211,238,.14);border:1px solid rgba(34,211,238,.38);
}
.check-mark svg{width:14px;height:14px;stroke:#7ff0ff;fill:none;stroke-width:2.2;stroke-linecap:round;stroke-linejoin:round;}
.check-item p{font-size:14.5px;color:#c6d4ee;line-height:1.75;}
.check-item p b{color:#fff;}

/* ---------- scene cards ---------- */
.scene-card{
 background:var(--panel);border:1px solid var(--line);border-radius:var(--radius);
 overflow:hidden;box-shadow:var(--shadow);
 transition:transform .2s ease,border-color .2s ease,box-shadow .25s ease;
 height:100%;
}
.scene-card:hover{transform:translateY(-4px);border-color:var(--line-strong);box-shadow:var(--shadow-hover);}
.scene-media{position:relative;aspect-ratio:16/9;overflow:hidden;}
.scene-media img{width:100%;height:100%;object-fit:cover;transition:transform .4s ease;}
.scene-card:hover .scene-media img{transform:scale(1.05);}
.scene-media::after{
 content:"";position:absolute;inset:0;
 background:linear-gradient(180deg,rgba(4,7,15,.05),rgba(4,7,15,.72));
}
.scene-body{padding:20px 20px 24px;}
.scene-body h3{font-size:16.5px;font-weight:700;color:#eaf1ff;margin-bottom:9px;line-height:1.5;}
.scene-body p{font-size:14px;color:var(--muted);line-height:1.8;}
.scene-tag{
 display:inline-block;margin-bottom:12px;padding:3px 11px;border-radius:6px;
 font-size:12px;font-weight:700;color:#8fd4ff;
 background:rgba(61,139,255,.16);border:1px solid rgba(61,139,255,.34);
}

/* ---------- faq ---------- */
.faq-list{display:grid;gap:12px;}
.faq-item{
 background:var(--panel);border:1px solid var(--line);border-radius:var(--radius);
 overflow:hidden;transition:border-color .2s ease,background .2s ease;
}
.faq-item[open]{border-color:var(--line-strong);background:rgba(23,35,62,.82);}
.faq-item summary{
 list-style:none;cursor:pointer;position:relative;
 padding:19px 56px 19px 22px;
 font-size:15.5px;font-weight:700;color:#e6efff;line-height:1.6;
}
.faq-item summary::-webkit-details-marker{display:none;}
.faq-item summary::after{
 content:"+";position:absolute;right:22px;top:50%;transform:translateY(-50%);
 font-size:20px;font-weight:400;color:#7ff0ff;line-height:1;
}
.faq-item[open] summary::after{content:"−";}
.faq-body{padding:0 22px 20px;font-size:14.5px;color:var(--muted);line-height:1.85;}

/* ---------- cta band ---------- */
.cta-band{position:relative;overflow:hidden;border-top:1px solid var(--line);}
.cta-bg{
 position:absolute;inset:0;
 background-image:url('/assets/images/ae32742eaefe901c.webp');
 background-size:cover;background-position:center;opacity:.22;
}
.cta-band::after{
 content:"";position:absolute;inset:0;
 background:radial-gradient(760px 340px at 50% 0%,rgba(61,139,255,.32),transparent 70%),
 linear-gradient(180deg,rgba(6,10,20,.72),rgba(6,10,20,.96));
}
.cta-inner{position:relative;z-index:2;padding:64px 0;text-align:center;max-width:760px;margin:0 auto;}
.cta-inner h2{font-size:clamp(21px,2.6vw,30px);font-weight:800;color:#f2f7ff;line-height:1.4;margin-bottom:14px;}
.cta-inner p{color:var(--muted);font-size:15px;line-height:1.85;margin-bottom:26px;}
.cta-actions{display:flex;justify-content:center;flex-wrap:wrap;gap:14px;}

/* ---------- sticky bar ---------- */
.sticky-bar{
 position:fixed;left:0;right:0;bottom:0;z-index:90;
 background:linear-gradient(90deg,rgba(16,26,48,.97),rgba(9,18,36,.97));
 border-top:1px solid var(--line-strong);
 backdrop-filter:blur(14px);-webkit-backdrop-filter:blur(14px);
 box-shadow:0 -14px 34px -22px rgba(0,0,0,.95);
 transition:transform .3s ease,opacity .3s ease;
}
.sticky-bar.is-hidden{transform:translateY(110%);opacity:0;pointer-events:none;}
.sticky-inner{
 max-width:var(--container);margin:0 auto;padding:11px 24px;
 display:flex;align-items:center;gap:16px;
}
.sticky-text{font-size:14px;color:#a9bbd9;line-height:1.5;}
.sticky-text strong{color:#fff;font-weight:700;}
.sticky-close{
 margin-left:auto;flex:0 0 auto;
 width:34px;height:34px;border-radius:9px;cursor:pointer;
 border:1px solid var(--line-strong);background:rgba(255,255,255,.04);
 color:#9fb2d4;font-size:17px;line-height:1;
 display:flex;align-items:center;justify-content:center;
 transition:.2s ease;
}
.sticky-close:hover{color:#fff;border-color:rgba(61,139,255,.6);background:rgba(61,139,255,.18);}

/* ---------- footer ---------- */
.site-footer{
 position:relative;margin-top:0;
 background:linear-gradient(180deg,rgba(8,13,26,.9),rgba(4,7,15,.98));
 border-top:1px solid var(--line);
}
.footer-grid{
 display:grid;grid-template-columns:1.4fr 1fr 1fr;gap:40px;
 padding-top:52px;padding-bottom:42px;
}
.footer-col h4{
 font-size:14px;font-weight:700;color:#dfe9ff;letter-spacing:.06em;margin-bottom:16px;
}
.footer-col ul{display:grid;gap:10px;}
.footer-col ul a{font-size:14px;color:var(--muted);}
.footer-col ul a:hover{color:#fff;}
.footer-brand .logo{margin-bottom:14px;font-size:19px;}
.footer-brand p{font-size:14px;color:var(--muted);line-height:1.85;max-width:360px;}
.footer-bottom{border-top:1px solid var(--line);padding:18px 0;}
.footer-bottom .container{
 display:flex;align-items:center;justify-content:space-between;gap:14px;flex-wrap:wrap;
 font-size:13px;color:#7183a6;
}

/* ---------- responsive ---------- */
@media screen and (max-width:1024px){
 .hero-inner{grid-template-columns:1fr;gap:36px;}
 .hero{padding:52px 0 48px;}
 .grid-4{grid-template-columns:repeat(2,1fr);}
 .grid-3{grid-template-columns:repeat(2,1fr);}
 .rule-cols{grid-template-columns:1fr;}
 .steps{grid-template-columns:1fr;}
 .term-grid{grid-template-columns:repeat(2,1fr);}
 .footer-grid{grid-template-columns:1fr 1fr;gap:32px;}
 .footer-brand{grid-column:1 / -1;}
}
@media screen and (max-width:768px){
 .brand-inner{height:68px;gap:14px;}
 .brand-note{display:none;}
 .brand-actions .btn{display:none;}
 .nav-row{padding:8px 0;}
 .main-nav{display:none;}
 .nav-toggle{display:flex;}
 .section{padding:48px 0;}
 .grid-4,.grid-3,.grid-2,.term-grid,.check-list{grid-template-columns:1fr;}
 .compare{grid-template-columns:1fr;}
 .sticky-inner{padding:10px 18px;gap:12px;}
 .sticky-text{font-size:13px;}
 .footer-grid{grid-template-columns:1fr;gap:28px;padding-top:40px;padding-bottom:32px;}
 .footer-bottom .container{justify-content:flex-start;}
}
@media screen and (max-width:520px){
 .container{padding:0 18px;}
 .hero h1{font-size:26px;}
 .hero-lead{font-size:14.5px;}
 .btn{height:42px;padding:0 18px;font-size:14px;}
 .hero-cta .btn{width:100%;}
 .cta-actions .btn{width:100%;}
 .rule-card{padding:20px 18px;}
 .rule-row{flex-direction:column;gap:6px;}
 .sticky-text{display:none;}
 .sticky-inner .btn{margin-left:0;}
 .info-card{padding:20px 18px;}
}

/* roulang page: category2 */
:root{
 --bg:#060a14;
 --bg-soft:#0a1122;
 --bg-deep:#04070f;
 --panel:rgba(20,30,54,.66);
 --panel-solid:#101a30;
 --line:rgba(122,160,255,.16);
 --line-strong:rgba(122,160,255,.34);
 --text:#e9effd;
 --muted:#94a4c6;
 --brand:#3d8bff;
 --brand-2:#22d3ee;
 --brand-3:#7c5cff;
 --radius:14px;
 --radius-sm:10px;
 --shadow:0 18px 40px -22px rgba(3,10,30,.95);
 --shadow-hover:0 26px 56px -20px rgba(24,92,220,.55);
 --container:1180px;
}
*,*::before,*::after{box-sizing:border-box;}
html{scroll-behavior:smooth;-webkit-text-size-adjust:100%;}
body{
 margin:0;
 font-family:"PingFang SC","Hiragino Sans GB","Microsoft YaHei",-apple-system,BlinkMacSystemFont,"Segoe UI",Roboto,"Helvetica Neue",Arial,sans-serif;
 background:
  radial-gradient(1200px 620px at 50% -12%,rgba(47,104,224,.30),transparent 62%),
  radial-gradient(900px 520px at 92% 12%,rgba(34,211,238,.12),transparent 60%),
  var(--bg);
 color:var(--text);
 font-size:16px;
 line-height:1.78;
 -webkit-font-smoothing:antialiased;
 overflow-x:hidden;
 padding-bottom:72px;
}
img{max-width:100%;display:block;height:auto;}
a{color:#8fb6ff;text-decoration:none;transition:color .2s ease;}
a:hover{color:#cfe0ff;}
ul,ol{margin:0;padding:0;list-style:none;}
h1,h2,h3,h4,p{margin:0;}
button{font-family:inherit;}
a:focus-visible,button:focus-visible,input:focus-visible,select:focus-visible,summary:focus-visible{
 outline:2px solid var(--brand-2);outline-offset:3px;border-radius:6px;
}
.container{width:100%;max-width:var(--container);margin:0 auto;padding:0 24px;}

/* ---------- buttons ---------- */
.btn{
 display:inline-flex;align-items:center;justify-content:center;gap:8px;
 height:46px;padding:0 24px;border-radius:9px;font-size:15px;font-weight:700;
 border:1px solid transparent;cursor:pointer;white-space:nowrap;line-height:1;
 transition:transform .2s ease,box-shadow .25s ease,background .2s ease,border-color .2s ease,color .2s ease;
}
.btn-sm{height:38px;padding:0 16px;font-size:13.5px;border-radius:8px;}
.btn-block{width:100%;}
.btn-primary{
 background:linear-gradient(135deg,#3d8bff,#22d3ee);
 color:#03101f;
 box-shadow:0 0 22px rgba(61,139,255,.45),0 10px 24px -14px rgba(34,211,238,.9);
}
.btn-primary:hover{transform:translateY(-2px);box-shadow:0 0 34px rgba(34,211,238,.62),0 14px 30px -14px rgba(34,211,238,.9);color:#03101f;}
.btn-primary:active{transform:translateY(0);box-shadow:0 0 16px rgba(34,211,238,.5);}
.btn-ghost{
 background:rgba(255,255,255,.04);color:var(--text);
 border-color:var(--line-strong);
}
.btn-ghost:hover{background:rgba(61,139,255,.16);border-color:rgba(61,139,255,.55);transform:translateY(-2px);color:#fff;}

/* ---------- header ---------- */
.site-header{
 position:sticky;top:0;z-index:80;
 background:rgba(6,10,20,.86);
 border-bottom:1px solid var(--line);
 backdrop-filter:blur(16px);
 -webkit-backdrop-filter:blur(16px);
 transition:box-shadow .3s ease,background .3s ease;
}
.site-header.is-compact{box-shadow:0 12px 30px -18px rgba(0,0,0,.95);background:rgba(6,10,20,.96);}
.brand-row{
 max-height:80px;opacity:1;overflow:hidden;
 transition:max-height .34s ease,opacity .26s ease;
 border-bottom:1px solid var(--line);
}
.site-header.is-compact .brand-row{max-height:0;opacity:0;border-bottom-color:transparent;}
.brand-inner{display:flex;align-items:center;gap:22px;height:78px;}
.logo{
 display:inline-flex;align-items:center;gap:10px;
 font-size:21px;font-weight:800;color:var(--text);letter-spacing:.02em;
}
.logo:hover{color:#fff;}
.logo::before{
 content:"";width:9px;height:24px;border-radius:4px;
 background:linear-gradient(180deg,var(--brand),var(--brand-2));
 box-shadow:0 0 16px rgba(61,139,255,.8);
}
.brand-note{margin:0;font-size:13px;color:var(--muted);}
.brand-actions{margin-left:auto;display:flex;gap:12px;align-items:center;}
.nav-row{position:relative;}
.nav-inner{display:flex;align-items:center;gap:18px;height:62px;}
.nav-logo{display:none;}
.main-nav{display:flex;align-items:center;gap:6px;flex-wrap:wrap;}
.main-nav a{
 position:relative;padding:8px 15px;border-radius:9px;
 color:var(--muted);font-size:15px;font-weight:600;
 transition:color .2s ease,background .2s ease,box-shadow .2s ease;
}
.main-nav a:hover{color:#fff;background:rgba(61,139,255,.14);}
.main-nav a.is-active{
 color:#fff;
 background:linear-gradient(180deg,rgba(61,139,255,.32),rgba(61,139,255,.12));
 box-shadow:inset 0 0 0 1px rgba(61,139,255,.5),0 0 18px -6px rgba(61,139,255,.8);
}
.nav-extra{margin-left:auto;display:flex;align-items:center;gap:12px;}
.nav-toggle{
 display:none;width:44px;height:44px;border-radius:10px;
 border:1px solid var(--line-strong);background:rgba(255,255,255,.04);
 flex-direction:column;align-items:center;justify-content:center;gap:5px;cursor:pointer;
}
.nav-toggle span{display:block;width:19px;height:2px;border-radius:2px;background:#cfe0ff;transition:.22s;}
.nav-toggle[aria-expanded="true"] span:nth-child(1){transform:translateY(7px) rotate(45deg);}
.nav-toggle[aria-expanded="true"] span:nth-child(2){opacity:0;}
.nav-toggle[aria-expanded="true"] span:nth-child(3){transform:translateY(-7px) rotate(-45deg);}
.mobile-nav{
 display:none;flex-direction:column;gap:6px;
 padding:0 20px 16px;
}
.mobile-nav.is-open{display:flex;}
.mobile-nav a{
 padding:12px 14px;border-radius:10px;color:var(--muted);font-weight:600;
 background:rgba(255,255,255,.03);transition:.2s;
}
.mobile-nav a:hover,.mobile-nav a.is-active{color:#fff;background:rgba(61,139,255,.18);}

/* ---------- hero ---------- */
.page-hero{position:relative;overflow:hidden;border-bottom:1px solid var(--line);padding:64px 0 68px;}
.hero-bg{
 position:absolute;inset:0;
 background-image:url('/assets/images/208caf97ad997d94.webp');
 background-size:cover;background-position:center;opacity:.24;
}
.page-hero::after{
 content:"";position:absolute;inset:0;
 background:
  radial-gradient(900px 420px at 20% 0%,rgba(34,211,238,.20),transparent 66%),
  linear-gradient(180deg,rgba(6,10,20,.55),rgba(6,10,20,.95) 92%);
}
.hero-grid{
 position:relative;z-index:2;
 display:grid;grid-template-columns:1.12fr .88fr;gap:48px;align-items:start;
}
.eyebrow{
 display:inline-flex;align-items:center;gap:8px;
 padding:6px 15px;border-radius:999px;font-size:13px;font-weight:600;
 color:#a9c8ff;background:rgba(61,139,255,.14);
 border:1px solid rgba(61,139,255,.36);
 box-shadow:0 0 20px -6px rgba(61,139,255,.8);
}
.page-hero h1{
 margin:20px 0 16px;
 font-size:clamp(28px,3.6vw,42px);
 font-weight:800;line-height:1.28;letter-spacing:.01em;
 background:linear-gradient(180deg,#ffffff,#a8c6ff);
 -webkit-background-clip:text;background-clip:text;color:transparent;
}
.hero-lead{color:var(--muted);font-size:15.5px;max-width:640px;}
.hero-tags{display:flex;flex-wrap:wrap;gap:10px;margin:24px 0 26px;}
.pill{
 display:inline-flex;align-items:center;
 padding:6px 14px;border-radius:999px;font-size:12.5px;font-weight:600;
 color:#9fd0ff;background:rgba(34,211,238,.10);
 border:1px solid rgba(34,211,238,.28);
}
.hero-actions{display:flex;flex-wrap:wrap;gap:14px;}
.hero-meta{margin-top:26px;display:flex;flex-wrap:wrap;gap:28px;}
.hero-meta div span{display:block;font-size:12.5px;color:var(--muted);}
.hero-meta div strong{font-size:19px;font-weight:800;color:#dcebff;}

/* ---------- apply card ---------- */
.apply-card{
 background:var(--panel);
 border:1px solid var(--line-strong);
 border-radius:18px;
 padding:28px 26px 24px;
 backdrop-filter:blur(14px);
 -webkit-backdrop-filter:blur(14px);
 box-shadow:var(--shadow);
}
.apply-badges{display:flex;flex-wrap:wrap;gap:8px;margin-bottom:16px;}
.apply-card h2{font-size:19px;font-weight:800;color:#eaf2ff;line-height:1.5;}
.apply-sub{font-size:13.5px;color:var(--muted);margin-top:8px;line-height:1.7;}
.field{display:block;margin-top:16px;}
.field > span{display:block;font-size:12.5px;color:#9fb1d4;margin-bottom:7px;font-weight:600;}
.field select,.field input{
 width:100%;height:44px;border-radius:9px;
 background:rgba(8,14,28,.85);
 border:1px solid var(--line-strong);
 color:var(--text);font-size:14px;padding:0 12px;font-family:inherit;
 transition:border-color .2s ease,box-shadow .2s ease;
}
.field select:focus,.field input:focus{
 border-color:rgba(34,211,238,.7);
 box-shadow:0 0 0 3px rgba(34,211,238,.14);
 outline:none;
}
.field input::placeholder{color:#6f81a6;}
.apply-card .btn-block{margin-top:20px;}
.apply-note{
 margin-top:14px;font-size:12.5px;color:var(--muted);line-height:1.7;
 padding:10px 12px;border-radius:9px;
 background:rgba(61,139,255,.08);border:1px solid var(--line);
}

/* ---------- sections ---------- */
.section{padding:72px 0;position:relative;}
.section--soft{
 background:linear-gradient(180deg,rgba(10,17,34,.92),rgba(6,10,20,.55));
 border-top:1px solid var(--line);
 border-bottom:1px solid var(--line);
}
.section-head{max-width:760px;margin-bottom:40px;}
.section-head .kicker{
 display:inline-flex;align-items:center;gap:9px;
 font-size:12.5px;font-weight:700;letter-spacing:.14em;
 color:#6fa8ff;text-transform:uppercase;margin-bottom:12px;
}
.section-head .kicker::before{
 content:"";width:22px;height:2px;border-radius:2px;
 background:linear-gradient(90deg,var(--brand),var(--brand-2));
 box-shadow:0 0 12px rgba(61,139,255,.9);
}
.section-head h2{font-size:clamp(23px,2.6vw,30px);font-weight:800;line-height:1.35;color:#f2f7ff;}
.section-head p{margin-top:12px;color:var(--muted);font-size:15px;max-width:680px;}
.section-head--split{display:flex;align-items:flex-end;justify-content:space-between;gap:32px;max-width:none;}

/* ---------- grid & cards ---------- */
.grid-3{display:grid;grid-template-columns:repeat(3,1fr);gap:24px;}
.grid-2{display:grid;grid-template-columns:repeat(2,1fr);gap:24px;}
.card{
 background:var(--panel);
 border:1px solid var(--line);
 border-radius:var(--radius);
 padding:26px 24px;
 backdrop-filter:blur(10px);
 -webkit-backdrop-filter:blur(10px);
 box-shadow:var(--shadow);
 transition:transform .22s ease,box-shadow .22s ease,border-color .22s ease;
}
.card:hover{transform:translateY(-4px);box-shadow:var(--shadow-hover);border-color:var(--line-strong);}
.card h3{font-size:17.5px;font-weight:800;color:#eaf2ff;margin-bottom:10px;line-height:1.5;}
.card p{font-size:14.5px;color:var(--muted);line-height:1.78;}
.card-tags{display:flex;flex-wrap:wrap;gap:8px;margin-top:18px;}
.tag{
 display:inline-flex;align-items:center;
 padding:4px 11px;border-radius:7px;font-size:12px;font-weight:600;
 color:#9fd0ff;background:rgba(61,139,255,.12);
 border:1px solid rgba(61,139,255,.24);
}
.icon-box{
 width:46px;height:46px;border-radius:12px;
 display:inline-flex;align-items:center;justify-content:center;
 color:#7fd4ff;background:rgba(61,139,255,.14);
 border:1px solid rgba(61,139,255,.3);
 margin-bottom:18px;
 box-shadow:0 0 22px -10px rgba(34,211,238,.9);
}
.icon-box svg{width:22px;height:22px;}

/* ---------- steps ---------- */
.step-list{display:grid;gap:18px;counter-reset:step;}
.step-item{
 display:grid;grid-template-columns:58px 1fr;gap:20px;align-items:start;
 background:var(--panel);border:1px solid var(--line);border-radius:var(--radius);
 padding:24px;transition:transform .22s ease,border-color .22s ease,box-shadow .22s ease;
}
.step-item:hover{transform:translateY(-3px);border-color:var(--line-strong);box-shadow:var(--shadow-hover);}
.step-num{
 width:52px;height:52px;border-radius:14px;
 display:flex;align-items:center;justify-content:center;
 font-size:18px;font-weight:800;color:#04101f;
 background:linear-gradient(135deg,#3d8bff,#22d3ee);
 box-shadow:0 0 24px -8px rgba(34,211,238,.95);
}
.step-item h3{font-size:17px;font-weight:800;color:#eaf2ff;margin-bottom:8px;}
.step-item p{font-size:14.5px;color:var(--muted);}
.step-item b{color:#cfe2ff;}

/* ---------- scene split ---------- */
.scene{display:grid;grid-template-columns:1fr 1fr;gap:44px;align-items:center;}
.scene + .scene{margin-top:56px;}
.scene-media{
 border-radius:18px;overflow:hidden;border:1px solid var(--line-strong);
 box-shadow:var(--shadow);position:relative;
}
.scene-media img{width:100%;aspect-ratio:16/10;object-fit:cover;transition:transform .5s ease;}
.scene-media:hover img{transform:scale(1.04);}
.scene h3{font-size:22px;font-weight:800;color:#f2f7ff;margin-bottom:14px;line-height:1.4;}
.scene p{font-size:15px;color:var(--muted);}
.check-list{margin-top:20px;display:grid;gap:12px;}
.check-list li{
 position:relative;padding-left:28px;font-size:14.5px;color:#c6d5ee;line-height:1.7;
}
.check-list li::before{
 content:"";position:absolute;left:0;top:7px;width:14px;height:14px;border-radius:5px;
 background:linear-gradient(135deg,rgba(61,139,255,.9),rgba(34,211,238,.9));
 box-shadow:0 0 12px -2px rgba(34,211,238,.85);
}

/* ---------- stats ---------- */
.stats-band{display:grid;grid-template-columns:repeat(2,1fr);gap:36px;align-items:center;}
.stat-grid{display:grid;grid-template-columns:repeat(2,1fr);gap:18px;}
.stat{
 background:var(--panel);border:1px solid var(--line);border-radius:var(--radius);
 padding:22px;transition:transform .22s ease,border-color .22s ease;
}
.stat:hover{transform:translateY(-3px);border-color:var(--line-strong);}
.stat-num{
 font-size:30px;font-weight:800;line-height:1.2;
 background:linear-gradient(135deg,#8fc4ff,#22d3ee);
 -webkit-background-clip:text;background-clip:text;color:transparent;
}
.stat-label{margin-top:6px;font-size:13px;color:var(--muted);line-height:1.6;}
.quote-card{
 background:linear-gradient(150deg,rgba(61,139,255,.16),rgba(20,30,54,.5));
 border:1px solid var(--line-strong);border-radius:18px;padding:28px;
 box-shadow:var(--shadow);
}
.quote-card blockquote{
 margin:0;font-size:15.5px;color:#dbe8ff;line-height:1.85;
}
.quote-card cite{
 display:block;margin-top:16px;font-style:normal;font-size:13px;color:#8ba3c9;
}

/* ---------- compare table ---------- */
.compare-wrap{
 border:1px solid var(--line-strong);border-radius:18px;overflow:hidden;
 background:var(--panel);box-shadow:var(--shadow);
}
.compare-table{width:100%;border-collapse:collapse;}
.compare-table th,.compare-table td{
 padding:18px 22px;text-align:left;font-size:14.5px;
 border-bottom:1px solid var(--line);
}
.compare-table thead th{
 font-size:13px;font-weight:700;letter-spacing:.06em;color:#9fb6da;
 background:rgba(10,18,34,.9);
}
.compare-table thead th:nth-child(3){color:#7fd4ff;}
.compare-table tbody th{
 font-weight:700;color:#e2edff;background:rgba(12,20,38,.55);
}
.compare-table tbody tr:last-child th,
.compare-table tbody tr:last-child td{border-bottom:none;}
.compare-table td{color:var(--muted);}
.compare-table td.good{color:#bfe3ff;background:rgba(61,139,255,.07);}
.compare-table tbody tr:hover td,.compare-table tbody tr:hover th{background:rgba(61,139,255,.1);}

/* ---------- posts ---------- */
.post-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:24px;}
.post-card{
 background:var(--panel);border:1px solid var(--line);border-radius:var(--radius);
 overflow:hidden;display:flex;flex-direction:column;
 transition:transform .22s ease,box-shadow .22s ease,border-color .22s ease;
}
.post-card:hover{transform:translateY(-4px);box-shadow:var(--shadow-hover);border-color:var(--line-strong);}
.post-thumb{display:block;overflow:hidden;}
.post-thumb img{width:100%;aspect-ratio:16/10;object-fit:cover;transition:transform .45s ease;}
.post-card:hover .post-thumb img{transform:scale(1.05);}
.post-body{padding:20px 20px 22px;display:flex;flex-direction:column;gap:10px;flex:1;}
.post-body h3{font-size:16px;font-weight:700;line-height:1.55;}
.post-body h3 a{color:#eaf2ff;}
.post-body h3 a:hover{color:#8fc4ff;}
.post-body p{font-size:13.8px;color:var(--muted);line-height:1.72;flex:1;}
.post-meta{font-size:12.5px;color:#7e92b5;display:flex;gap:12px;flex-wrap:wrap;}
.empty-note{
 padding:34px;border-radius:var(--radius);border:1px dashed var(--line-strong);
 background:rgba(12,20,38,.55);color:var(--muted);font-size:14.5px;text-align:center;
}

/* ---------- faq ---------- */
.faq-list{display:grid;gap:14px;max-width:920px;}
.faq-item{
 background:var(--panel);border:1px solid var(--line);border-radius:var(--radius);
 padding:0 24px;transition:border-color .2s ease,background .2s ease;
}
.faq-item[open]{border-color:var(--line-strong);background:rgba(24,36,64,.7);}
.faq-item summary{
 cursor:pointer;list-style:none;padding:20px 0;
 font-size:16px;font-weight:700;color:#eaf2ff;
 display:flex;align-items:center;justify-content:space-between;gap:16px;
}
.faq-item summary::-webkit-details-marker{display:none;}
.faq-item summary::after{
 content:"+";font-size:20px;font-weight:400;color:#7fd4ff;
 transition:transform .22s ease;line-height:1;
}
.faq-item[open] summary::after{transform:rotate(45deg);}
.faq-item p{padding:0 0 22px;font-size:14.5px;color:var(--muted);line-height:1.82;}

/* ---------- cta band ---------- */
.cta-band{
 position:relative;overflow:hidden;
 border-radius:20px;border:1px solid var(--line-strong);
 padding:44px 42px;
 background:
  radial-gradient(600px 260px at 12% 0%,rgba(34,211,238,.18),transparent 70%),
  linear-gradient(135deg,rgba(61,139,255,.20),rgba(16,26,48,.9));
 box-shadow:var(--shadow);
 display:flex;align-items:center;justify-content:space-between;gap:32px;flex-wrap:wrap;
}
.cta-band h2{font-size:clamp(20px,2.3vw,26px);font-weight:800;color:#f2f7ff;line-height:1.45;}
.cta-band p{margin-top:10px;font-size:14.5px;color:#a9bcdc;max-width:600px;}
.cta-band .cta-actions{display:flex;gap:14px;flex-wrap:wrap;}

/* ---------- sticky cta ---------- */
.sticky-cta{
 position:fixed;left:0;right:0;bottom:0;z-index:70;
 background:rgba(8,14,28,.94);
 border-top:1px solid var(--line-strong);
 backdrop-filter:blur(14px);
 -webkit-backdrop-filter:blur(14px);
 box-shadow:0 -14px 30px -22px rgba(0,0,0,.95);
}
.sticky-inner{
 display:flex;align-items:center;justify-content:space-between;gap:18px;
 padding:12px 24px;max-width:var(--container);margin:0 auto;
}
.sticky-inner p{font-size:13.5px;color:#a9bcdc;line-height:1.6;}
.sticky-inner strong{color:#e6f0ff;}

/* ---------- footer ---------- */
.site-footer{
 margin-top:80px;border-top:1px solid var(--line);
 background:linear-gradient(180deg,rgba(8,14,28,.7),rgba(4,7,15,.95));
 padding-top:56px;
}
.footer-grid{display:grid;grid-template-columns:1.5fr 1fr 1fr;gap:44px;padding-bottom:44px;}
.footer-brand p{margin-top:14px;font-size:14px;color:var(--muted);max-width:380px;line-height:1.8;}
.footer-col h4{font-size:14px;font-weight:700;color:#dfeaff;margin-bottom:16px;letter-spacing:.04em;}
.footer-col ul{display:grid;gap:11px;}
.footer-col ul a{font-size:14px;color:var(--muted);}
.footer-col ul a:hover{color:#8fc4ff;}
.footer-bottom{border-top:1px solid var(--line);padding:20px 0;}
.footer-bottom .container{
 display:flex;justify-content:space-between;gap:16px;flex-wrap:wrap;
 font-size:13px;color:#7e92b5;
}

/* ---------- responsive ---------- */
@media (max-width:1024px){
 .hero-grid{grid-template-columns:1fr;gap:36px;}
 .grid-3{grid-template-columns:repeat(2,1fr);}
 .post-grid{grid-template-columns:repeat(2,1fr);}
 .scene{grid-template-columns:1fr;gap:28px;}
 .scene.media-right .scene-media{order:-1;}
 .stats-band{grid-template-columns:1fr;gap:28px;}
 .footer-grid{grid-template-columns:1fr 1fr;gap:32px;}
}
@media (max-width:860px){
 .brand-row{display:none;}
 .nav-logo{display:inline-flex;}
 .main-nav{display:none;}
 .nav-toggle{display:flex;}
 .nav-inner{height:64px;}
 .section{padding:56px 0;}
 .page-hero{padding:48px 0 52px;}
 .compare-table{display:block;overflow-x:auto;white-space:nowrap;}
 .compare-table thead th,.compare-table tbody th,.compare-table td{padding:14px 16px;}
}
@media (max-width:768px){
 .grid-3,.grid-2,.post-grid,.stat-grid{grid-template-columns:1fr;}
 .cta-band{padding:32px 24px;}
 .sticky-inner{padding:10px 16px;}
 .sticky-inner p{font-size:12.5px;}
 .sticky-inner .btn{height:40px;padding:0 16px;font-size:13.5px;}
}
@media (max-width:520px){
 .container{padding:0 18px;}
 .page-hero h1{font-size:26px;}
 .hero-meta{gap:18px;}
 .apply-card{padding:22px 18px 20px;}
 .card{padding:22px 18px;}
 .step-item{grid-template-columns:1fr;gap:14px;padding:20px;}
 .faq-item{padding:0 18px;}
 .footer-grid{grid-template-columns:1fr;gap:26px;}
 .footer-bottom .container{flex-direction:column;gap:8px;}
 .hero-actions .btn{width:100%;}
}

/* roulang page: category3 */
:root{
 --bg:#060a14;
 --bg-soft:#0a1122;
 --bg-deep:#04070f;
 --panel:rgba(20,30,54,.66);
 --panel-solid:#101a30;
 --line:rgba(122,160,255,.16);
 --line-strong:rgba(122,160,255,.34);
 --text:#e9effd;
 --muted:#94a4c6;
 --brand:#3d8bff;
 --brand-2:#22d3ee;
 --brand-3:#7c5cff;
 --radius:14px;
 --radius-sm:10px;
 --shadow:0 18px 40px -22px rgba(3,10,30,.95);
 --shadow-hover:0 26px 56px -20px rgba(24,92,220,.55);
 --container:1180px;
}
*,*::before,*::after{box-sizing:border-box;}
html{scroll-behavior:smooth;}
body{
 margin:0;
 padding-bottom:92px;
 font-family:"PingFang SC","Hiragino Sans GB","Microsoft YaHei",-apple-system,BlinkMacSystemFont,"Segoe UI",Roboto,"Helvetica Neue",Arial,sans-serif;
 background:
 radial-gradient(1200px 620px at 50% -12%,rgba(47,104,224,.30),transparent 62%),
 radial-gradient(900px 520px at 92% 12%,rgba(34,211,238,.12),transparent 60%),
 var(--bg);
 color:var(--text);
 font-size:16px;
 line-height:1.78;
 -webkit-font-smoothing:antialiased;
 overflow-x:hidden;
}
img{max-width:100%;display:block;}
a{color:#8fb6ff;text-decoration:none;transition:color .2s ease;}
a:hover{color:#c6dcff;}
h1,h2,h3,h4{margin:0;font-weight:800;line-height:1.32;letter-spacing:.01em;}
p{margin:0;}
ul,ol{margin:0;padding:0;list-style:none;}
button{font-family:inherit;}
a:focus-visible,button:focus-visible,input:focus-visible,summary:focus-visible{outline:2px solid var(--brand-2);outline-offset:3px;border-radius:6px;}
.sr-only{position:absolute;width:1px;height:1px;padding:0;margin:-1px;overflow:hidden;clip:rect(0,0,0,0);white-space:nowrap;border:0;}
.container{width:100%;max-width:var(--container);margin:0 auto;padding:0 24px;}

/* ---------- buttons ---------- */
.btn{
 display:inline-flex;align-items:center;justify-content:center;gap:8px;
 height:44px;padding:0 22px;border-radius:9px;font-size:15px;font-weight:700;
 border:1px solid transparent;cursor:pointer;white-space:nowrap;
 transition:transform .2s ease,box-shadow .25s ease,background .2s ease,border-color .2s ease,color .2s ease;
}
.btn-primary{
 background:linear-gradient(135deg,#3d8bff,#22d3ee);
 color:#03101f;
 box-shadow:0 0 22px rgba(61,139,255,.45),0 10px 24px -14px rgba(34,211,238,.9);
}
.btn-primary:hover{transform:translateY(-2px);box-shadow:0 0 34px rgba(34,211,238,.62),0 14px 30px -14px rgba(34,211,238,.9);color:#03101f;}
.btn-ghost{background:rgba(255,255,255,.04);color:var(--text);border-color:var(--line-strong);}
.btn-ghost:hover{background:rgba(61,139,255,.16);border-color:rgba(61,139,255,.55);transform:translateY(-2px);color:#fff;}

/* ---------- header ---------- */
.site-header{
 position:sticky;top:0;z-index:80;
 background:rgba(6,10,20,.86);
 border-bottom:1px solid var(--line);
 backdrop-filter:blur(16px);-webkit-backdrop-filter:blur(16px);
 transition:box-shadow .3s ease,background .3s ease;
}
.site-header.is-compact{box-shadow:0 12px 30px -18px rgba(0,0,0,.95);background:rgba(6,10,20,.95);}
.brand-row{max-height:78px;opacity:1;overflow:hidden;transition:max-height .34s ease,opacity .26s ease;border-bottom:1px solid var(--line);}
.site-header.is-compact .brand-row{max-height:0;opacity:0;border-bottom-color:transparent;}
.brand-inner{display:flex;align-items:center;gap:22px;height:76px;}
.logo{display:inline-flex;align-items:center;gap:10px;font-size:21px;font-weight:800;color:var(--text);letter-spacing:.02em;}
.logo:hover{color:#fff;}
.logo::before{content:"";width:9px;height:24px;border-radius:4px;background:linear-gradient(180deg,var(--brand),var(--brand-2));box-shadow:0 0 16px rgba(61,139,255,.8);}
.brand-note{margin:0;font-size:13px;color:var(--muted);letter-spacing:.06em;}
.brand-actions{margin-left:auto;display:flex;gap:12px;align-items:center;}
.nav-row{border-top:0;}
.nav-inner{display:flex;align-items:center;justify-content:space-between;gap:16px;height:60px;}
.main-nav{display:flex;align-items:center;gap:6px;flex-wrap:wrap;}
.main-nav a{position:relative;padding:8px 15px;border-radius:9px;color:var(--muted);font-size:15px;font-weight:600;transition:color .2s ease,background .2s ease,box-shadow .2s ease;}
.main-nav a:hover{color:#fff;background:rgba(61,139,255,.14);}
.main-nav a.is-active{color:#fff;background:linear-gradient(180deg,rgba(61,139,255,.32),rgba(61,139,255,.12));box-shadow:inset 0 0 0 1px rgba(61,139,255,.5),0 0 18px -6px rgba(61,139,255,.8);}
.nav-toggle{display:none;width:44px;height:44px;border-radius:10px;border:1px solid var(--line-strong);background:rgba(255,255,255,.04);flex-direction:column;align-items:center;justify-content:center;gap:5px;cursor:pointer;}
.nav-toggle span{display:block;width:19px;height:2px;border-radius:2px;background:#cfe0ff;transition:.22s;}
.nav-toggle[aria-expanded="true"] span:nth-child(1){transform:translateY(7px) rotate(45deg);}
.nav-toggle[aria-expanded="true"] span:nth-child(2){opacity:0;}
.nav-toggle[aria-expanded="true"] span:nth-child(3){transform:translateY(-7px) rotate(-45deg);}
.mobile-nav{display:none;flex-direction:column;gap:4px;padding:0 20px 16px;border-top:1px solid var(--line);}
.mobile-nav.is-open{display:flex;}
.mobile-nav a{padding:12px 14px;border-radius:10px;color:var(--muted);font-weight:600;background:rgba(255,255,255,.03);transition:.2s;min-height:44px;display:flex;align-items:center;}
.mobile-nav a:hover,.mobile-nav a.is-active{color:#fff;background:rgba(61,139,255,.18);}

/* ---------- hero ---------- */
.hero{position:relative;padding:66px 0 62px;overflow:hidden;border-bottom:1px solid var(--line);}
.hero-bg{position:absolute;inset:0;background-image:url('/assets/images/f1fe3aaff0293974.webp');background-size:cover;background-position:center;opacity:.2;}
.hero::after{content:"";position:absolute;inset:0;background:radial-gradient(900px 420px at 50% 0%,rgba(34,211,238,.20),transparent 66%),linear-gradient(180deg,rgba(6,10,20,.5),rgba(6,10,20,.94) 90%);}
.hero-inner{position:relative;z-index:2;max-width:900px;text-align:center;}
.eyebrow{display:inline-flex;align-items:center;gap:8px;padding:6px 15px;border-radius:999px;font-size:13px;font-weight:600;color:#a9c8ff;background:rgba(61,139,255,.14);border:1px solid rgba(61,139,255,.36);box-shadow:0 0 20px -6px rgba(61,139,255,.8);}
.hero h1{margin:22px 0 18px;font-size:clamp(27px,3.6vw,42px);font-weight:800;line-height:1.28;background:linear-gradient(180deg,#ffffff,#a8c6ff);-webkit-background-clip:text;background-clip:text;color:transparent;}
.hero-sub{color:var(--muted);font-size:15.5px;max-width:760px;margin:0 auto;}
.hero-search{display:flex;gap:10px;max-width:660px;margin:32px auto 0;padding:8px;border-radius:16px;border:1px solid var(--line-strong);background:rgba(16,26,48,.78);backdrop-filter:blur(12px);box-shadow:var(--shadow);}
.hero-search input{flex:1;min-width:0;height:48px;border:0;background:transparent;color:var(--text);font-size:15px;padding:0 14px;font-family:inherit;}
.hero-search input::placeholder{color:#6f81a6;}
.hero-search input:focus{outline:none;}
.chips{display:flex;flex-wrap:wrap;gap:10px;justify-content:center;align-items:center;margin-top:22px;}
.chips-label{font-size:13px;color:var(--muted);letter-spacing:.08em;}
.chip{display:inline-flex;align-items:center;min-height:36px;padding:6px 14px;border-radius:999px;font-size:13.5px;font-weight:600;color:#bcd3ff;background:rgba(255,255,255,.04);border:1px solid var(--line);cursor:pointer;transition:.2s;}
.chip:hover{color:#fff;background:rgba(61,139,255,.18);border-color:var(--line-strong);transform:translateY(-1px);}

/* ---------- sections ---------- */
.section{position:relative;padding:74px 0;border-bottom:1px solid rgba(122,160,255,.08);}
.section--soft{background:linear-gradient(180deg,rgba(10,17,34,.78),rgba(6,10,20,.12));}
.section-head{max-width:760px;margin-bottom:38px;}
.section-head.center{margin-left:auto;margin-right:auto;text-align:center;}
.section-kicker{display:inline-block;font-size:12.5px;font-weight:700;letter-spacing:.16em;color:#6fa4ff;text-transform:uppercase;margin-bottom:12px;}
.section-kicker::before{content:"";display:inline-block;width:18px;height:2px;border-radius:2px;background:linear-gradient(90deg,var(--brand),var(--brand-2));vertical-align:middle;margin-right:10px;}
.section-head h2{font-size:clamp(22px,2.6vw,30px);margin-bottom:14px;color:#f2f6ff;}
.section-head p{color:var(--muted);font-size:15px;}

/* ---------- grid ---------- */
.grid{display:grid;gap:22px;}
.grid-2{grid-template-columns:repeat(2,minmax(0,1fr));}
.grid-3{grid-template-columns:repeat(3,minmax(0,1fr));}
.grid-4{grid-template-columns:repeat(4,minmax(0,1fr));}

/* ---------- cards ---------- */
.card{position:relative;background:var(--panel);border:1px solid var(--line);border-radius:var(--radius);box-shadow:var(--shadow);backdrop-filter:blur(12px);-webkit-backdrop-filter:blur(12px);transition:transform .2s ease,box-shadow .25s ease,border-color .2s ease;height:100%;}
.card:hover{transform:translateY(-4px);box-shadow:var(--shadow-hover);border-color:var(--line-strong);}
.value-card{padding:26px 24px;display:flex;flex-direction:column;gap:14px;}
.card-icon{width:46px;height:46px;border-radius:12px;display:grid;place-items:center;color:#9fc4ff;background:linear-gradient(160deg,rgba(61,139,255,.28),rgba(34,211,238,.12));border:1px solid rgba(122,160,255,.28);box-shadow:0 0 20px -8px rgba(61,139,255,.9);}
.card-icon svg{width:22px;height:22px;}
.value-card h3{font-size:17.5px;color:#f0f5ff;}
.value-card p{color:var(--muted);font-size:14.5px;}
.badge{display:inline-flex;align-items:center;gap:6px;padding:4px 12px;border-radius:999px;font-size:12.5px;font-weight:600;color:#a9c8ff;background:rgba(61,139,255,.14);border:1px solid rgba(61,139,255,.32);}
.tag-row{display:flex;flex-wrap:wrap;gap:8px;}

/* ---------- pattern cards ---------- */
.pattern-card{padding:0;overflow:hidden;display:flex;flex-direction:column;}
.pattern-thumb{aspect-ratio:16/9;overflow:hidden;border-bottom:1px solid var(--line);}
.pattern-thumb img{width:100%;height:100%;object-fit:cover;transition:transform .45s ease;}
.pattern-card:hover .pattern-thumb img{transform:scale(1.05);}
.pattern-body{padding:22px;display:flex;flex-direction:column;gap:12px;flex:1;}
.pattern-body h3{font-size:17px;color:#f0f5ff;}
.pattern-body p{font-size:14px;color:var(--muted);}
.pattern-body .tag-row{margin-top:auto;padding-top:6px;}
.hint-line{margin-top:20px;font-size:13.5px;color:#7c8db0;}
.list-empty{padding:26px;border:1px dashed var(--line-strong);border-radius:var(--radius);color:var(--muted);text-align:center;font-size:14.5px;}

/* ---------- flow ---------- */
.flow{display:grid;grid-template-columns:repeat(4,minmax(0,1fr));gap:20px;counter-reset:step;}
.flow-step{padding:26px 22px 24px;border-radius:var(--radius);background:var(--panel);border:1px solid var(--line);backdrop-filter:blur(12px);box-shadow:var(--shadow);transition:transform .2s ease,border-color .2s ease,box-shadow .25s ease;}
.flow-step:hover{transform:translateY(-3px);border-color:var(--line-strong);box-shadow:var(--shadow-hover);}
.flow-step::before{counter-increment:step;content:counter(step,decimal-leading-zero);display:block;font-size:13px;font-weight:800;letter-spacing:.18em;color:#5f9bff;margin-bottom:14px;}
.flow-step h3{font-size:16.5px;margin-bottom:10px;color:#f0f5ff;}
.flow-step p{font-size:14px;color:var(--muted);}

/* ---------- compare ---------- */
.compare{display:grid;grid-template-columns:repeat(2,minmax(0,1fr));gap:22px;}
.compare-col{padding:28px;border-radius:var(--radius);border:1px solid var(--line);background:var(--panel);backdrop-filter:blur(12px);box-shadow:var(--shadow);}
.compare-col--accent{border-color:var(--line-strong);background:linear-gradient(160deg,rgba(61,139,255,.18),rgba(20,30,54,.72));box-shadow:0 0 0 1px rgba(61,139,255,.18),var(--shadow);}
.compare-col h3{font-size:18px;margin-bottom:6px;color:#f2f6ff;}
.compare-col .compare-note{font-size:13.5px;color:#7f90b4;margin-bottom:18px;}
.compare-list li{display:flex;gap:12px;padding:11px 0;font-size:14.5px;color:#c2d2ec;border-bottom:1px dashed rgba(122,160,255,.14);}
.compare-list li:last-child{border-bottom:0;}
.compare-list li::before{content:"";flex:none;width:7px;height:7px;border-radius:2px;margin-top:10px;background:#5f6f92;}
.compare-col--accent .compare-list li::before{background:linear-gradient(135deg,var(--brand),var(--brand-2));box-shadow:0 0 10px rgba(61,139,255,.9);}

/* ---------- quotes ---------- */
.quote-card{padding:26px 24px;display:flex;flex-direction:column;gap:16px;}
.quote-card p{font-size:14.8px;color:#cddcf6;}
.quote-meta{display:flex;align-items:center;gap:12px;margin-top:auto;font-size:13px;color:var(--muted);}
.avatar{width:38px;height:38px;border-radius:50%;display:grid;place-items:center;font-weight:800;font-size:14px;color:#03101f;background:linear-gradient(135deg,var(--brand),var(--brand-2));box-shadow:0 0 18px -6px rgba(61,139,255,.9);}
.quote-meta strong{display:block;color:#e6eeff;font-size:14px;font-weight:700;}

/* ---------- posts ---------- */
.post-card{padding:24px;display:flex;flex-direction:column;gap:12px;}
.post-meta{display:flex;align-items:center;gap:10px;font-size:12.5px;color:#8294b8;}
.post-title{font-size:17px;}
.post-title a{color:#eaf1ff;}
.post-title a:hover{color:#9dc0ff;}
.post-excerpt{font-size:14px;color:var(--muted);}

/* ---------- faq ---------- */
.faq{display:grid;gap:12px;max-width:920px;margin:0 auto;}
.faq-item{border:1px solid var(--line);border-radius:var(--radius-sm);background:var(--panel);backdrop-filter:blur(10px);padding:0 22px;transition:border-color .2s ease,box-shadow .25s ease;}
.faq-item[open]{border-color:var(--line-strong);box-shadow:var(--shadow);}
.faq-item summary{list-style:none;cursor:pointer;padding:19px 34px 19px 0;position:relative;font-weight:700;font-size:15.5px;color:#eef4ff;min-height:44px;}
.faq-item summary::-webkit-details-marker{display:none;}
.faq-item summary::after{content:"+";position:absolute;right:0;top:50%;transform:translateY(-50%);font-size:20px;line-height:1;color:#6fa4ff;transition:transform .2s ease;}
.faq-item[open] summary::after{content:"−";}
.faq-item p{padding:0 0 20px;font-size:14.5px;color:var(--muted);}

/* ---------- convert bar ---------- */
.convert-bar{position:fixed;left:0;right:0;bottom:0;z-index:90;background:rgba(8,14,28,.94);border-top:1px solid var(--line-strong);backdrop-filter:blur(14px);-webkit-backdrop-filter:blur(14px);box-shadow:0 -14px 34px -22px rgba(0,0,0,.95);padding:10px 0;}
.convert-bar.is-hidden{display:none;}
.convert-inner{display:flex;align-items:center;gap:16px;}
.convert-text{font-size:14px;color:var(--muted);}
.convert-text strong{color:#e2ecff;font-weight:700;}
.convert-bar .btn{height:40px;padding:0 18px;font-size:14px;}
.convert-actions{margin-left:auto;display:flex;align-items:center;gap:10px;}
.convert-close{width:34px;height:34px;border-radius:9px;border:1px solid var(--line);background:rgba(255,255,255,.04);color:#9fb0d2;cursor:pointer;font-size:16px;line-height:1;display:grid;place-items:center;transition:.2s;}
.convert-close:hover{color:#fff;background:rgba(61,139,255,.18);}

/* ---------- footer ---------- */
.site-footer{background:linear-gradient(180deg,rgba(4,7,15,.55),rgba(4,7,15,.96));border-top:1px solid var(--line);padding:56px 0 0;}
.footer-grid{display:grid;grid-template-columns:1.5fr 1fr 1fr;gap:36px;padding-bottom:40px;}
.footer-brand .logo{font-size:19px;margin-bottom:14px;}
.footer-brand .logo::before{height:20px;}
.footer-brand p{color:var(--muted);font-size:14px;max-width:360px;}
.footer-col h4{font-size:15px;color:#dbe7ff;margin-bottom:16px;}
.footer-col ul{display:grid;gap:10px;}
.footer-col a{color:var(--muted);font-size:14px;display:inline-flex;align-items:center;min-height:28px;}
.footer-col a:hover{color:#fff;}
.footer-bottom{border-top:1px solid var(--line);padding:18px 0;font-size:13px;color:#7f8fb2;}
.footer-bottom .container{display:flex;justify-content:space-between;gap:12px;flex-wrap:wrap;}

/* ---------- responsive ---------- */
@media (max-width:1024px){
 .grid-4{grid-template-columns:repeat(2,minmax(0,1fr));}
 .flow{grid-template-columns:repeat(2,minmax(0,1fr));}
 .brand-note{display:none;}
 .footer-grid{grid-template-columns:1fr 1fr;}
}
@media (max-width:860px){
 .grid-3{grid-template-columns:repeat(2,minmax(0,1fr));}
 .main-nav{display:none;}
 .nav-toggle{display:flex;}
 .nav-inner{height:62px;}
 .brand-actions .btn-ghost{display:none;}
}
@media (max-width:768px){
 .hero{padding:52px 0 48px;}
 .section{padding:56px 0;}
 .grid-2,.grid-3,.compare{grid-template-columns:1fr;}
 .flow{grid-template-columns:1fr;}
 .footer-grid{grid-template-columns:1fr;gap:28px;}
 .hero-search{flex-direction:column;padding:12px;}
 .hero-search .btn{width:100%;}
 body{padding-bottom:118px;}
 .convert-text{font-size:13px;line-height:1.5;}
 .convert-inner{align-items:flex-start;}
 .convert-actions{width:100%;margin-left:0;}
 .convert-actions .btn{flex:1;}
}
@media (max-width:520px){
 .container{padding:0 18px;}
 .grid-4{grid-template-columns:1fr;}
 .hero h1{font-size:26px;}
 .brand-actions{display:none;}
 .chips{justify-content:flex-start;}
 .section-head{margin-bottom:28px;}
 .post-card,.value-card{padding:20px;}
}