/* roulang page: index */
:root{
  --bg:#060a14;
  --bg-soft:#0a1120;
  --panel:rgba(255,255,255,.055);
  --panel-2:rgba(255,255,255,.085);
  --line:rgba(122,168,255,.16);
  --line-strong:rgba(122,168,255,.42);
  --text:#e9eefc;
  --muted:#93a3c4;
  --primary:#3d7dff;
  --primary-2:#25d0e8;
  --warn:#ffcb6b;
  --radius:14px;
  --radius-sm:10px;
  --shadow:0 12px 34px rgba(0,0,0,.36);
  --shadow-hover:0 20px 46px rgba(0,0,0,.52);
  --glow:0 8px 26px rgba(61,125,255,.42);
  --dur:.22s;
}
*,*::before,*::after{box-sizing:border-box;}
html{-webkit-text-size-adjust:100%;scroll-behavior:smooth;scroll-padding-top:84px;}
body{
  margin:0;
  font-family:"PingFang SC","Hiragino Sans GB","Microsoft YaHei","Helvetica Neue",Arial,sans-serif;
  font-size:16px;
  line-height:1.78;
  color:var(--text);
  background-color:var(--bg);
  background-image:
    radial-gradient(900px 520px at 12% -8%, rgba(61,125,255,.26), transparent 62%),
    radial-gradient(760px 480px at 92% 4%, rgba(37,208,232,.15), transparent 58%),
    radial-gradient(900px 620px at 50% 118%, rgba(61,125,255,.17), transparent 64%);
  background-repeat:no-repeat;
  -webkit-font-smoothing:antialiased;
  overflow-x:hidden;
}
img{max-width:100%;display:block;border:0;}
a{color:inherit;text-decoration:none;}
button{font-family:inherit;}
h1,h2,h3,h4{margin:0;font-weight:800;line-height:1.3;letter-spacing:.2px;}
p{margin:0;}
ul{margin:0;padding:0;list-style:none;}
input,button,select,textarea{font-family:inherit;font-size:inherit;}
:focus-visible{outline:2px solid var(--primary-2);outline-offset:3px;border-radius:6px;}
.container{width:100%;max-width:1200px;margin:0 auto;padding:0 20px;}
.btn{
  display:inline-flex;align-items:center;justify-content:center;gap:8px;
  padding:12px 24px;border-radius:10px;border:1px solid transparent;
  font-size:15px;font-weight:700;cursor:pointer;
  transition:transform var(--dur) ease,box-shadow var(--dur) ease,background var(--dur) ease,color var(--dur) ease,border-color var(--dur) ease;
  white-space:nowrap;
}
.btn-primary{
  background:linear-gradient(135deg,#3d7dff 0%,#25d0e8 100%);
  color:#04101f;
  box-shadow:var(--glow),inset 0 0 0 1px rgba(255,255,255,.28);
}
.btn-primary:hover{transform:translateY(-2px);box-shadow:0 14px 34px rgba(61,125,255,.6),inset 0 0 0 1px rgba(255,255,255,.4);}
.btn-primary:active{transform:translateY(0);box-shadow:0 6px 18px rgba(61,125,255,.4);}
.btn-ghost{
  background:rgba(255,255,255,.04);
  color:var(--text);
  border-color:var(--line-strong);
}
.btn-ghost:hover{transform:translateY(-2px);background:rgba(61,125,255,.16);border-color:var(--primary);}
.btn-sm{padding:9px 18px;font-size:14px;border-radius:9px;}

/* ===== Header ===== */
.site-header{
  position:sticky;top:0;z-index:80;
  background:rgba(8,13,26,.8);
  backdrop-filter:blur(16px);
  -webkit-backdrop-filter:blur(16px);
  border-bottom:1px solid var(--line);
  transition:box-shadow var(--dur) ease,background var(--dur) ease;
}
.site-header.is-scrolled{
  background:rgba(7,11,23,.94);
  box-shadow:0 10px 28px rgba(0,0,0,.5);
}
.nav-wrap{display:flex;align-items:center;height:64px;gap:16px;position:relative;}
.logo{display:inline-flex;align-items:center;gap:10px;flex-shrink:0;}
.logo-mark{
  width:36px;height:36px;border-radius:11px;display:inline-flex;align-items:center;justify-content:center;
  background:linear-gradient(140deg,rgba(61,125,255,.95),rgba(37,208,232,.85));
  color:#04101f;
  box-shadow:0 6px 18px rgba(61,125,255,.45);
}
.logo-text{font-size:17px;font-weight:800;letter-spacing:.4px;color:#fff;white-space:nowrap;}
.nav-links{display:flex;align-items:center;gap:4px;margin-left:auto;margin-right:6px;}
.nav-link{
  position:relative;padding:8px 14px;border-radius:10px;
  font-size:15px;color:var(--muted);transition:color var(--dur),background var(--dur),box-shadow var(--dur);
  white-space:nowrap;
}
.nav-link:hover{color:#fff;background:rgba(255,255,255,.07);}
.nav-link.is-active{color:#fff;background:rgba(61,125,255,.18);box-shadow:inset 0 0 0 1px rgba(61,125,255,.5);}
.nav-actions{display:flex;align-items:center;gap:10px;}
.nav-search input{
  width:172px;padding:9px 14px;border-radius:10px;
  border:1px solid var(--line);background:rgba(255,255,255,.05);
  color:#fff;font-size:14px;outline:none;transition:border-color var(--dur),box-shadow var(--dur);
}
.nav-search input::placeholder{color:rgba(147,163,196,.8);}
.nav-search input:focus{border-color:var(--line-strong);box-shadow:0 0 0 3px rgba(61,125,255,.22);}
.nav-toggle{
  display:none;align-items:center;justify-content:center;
  width:42px;height:42px;border-radius:11px;cursor:pointer;
  border:1px solid var(--line);background:rgba(255,255,255,.05);color:#fff;
}

/* ===== Hero ===== */
.hero{position:relative;padding:76px 0 68px;overflow:hidden;text-align:center;}
.hero-bg{
  position:absolute;inset:0;background-size:cover;background-position:center;opacity:.34;
}
.hero-bg::after{
  content:"";position:absolute;inset:0;
  background:linear-gradient(180deg,rgba(6,10,20,.62) 0%,rgba(6,10,20,.86) 55%,rgba(6,10,20,.98) 100%);
}
.hero-inner{position:relative;z-index:2;}
.hero-eyebrow{
  display:inline-flex;align-items:center;gap:8px;
  padding:6px 16px;border-radius:999px;font-size:13px;letter-spacing:.6px;
  color:#bcd4ff;background:rgba(61,125,255,.14);border:1px solid rgba(61,125,255,.38);
}
.hero-eyebrow i{width:6px;height:6px;border-radius:50%;background:var(--primary-2);box-shadow:0 0 10px var(--primary-2);display:inline-block;}
.hero h1{
  margin:22px auto 0;max-width:880px;
  font-size:clamp(28px,4vw,44px);line-height:1.26;
  background:linear-gradient(120deg,#ffffff 30%,#a9c8ff 78%,#7fe6f5 100%);
  -webkit-background-clip:text;background-clip:text;color:transparent;
}
.hero-sub{
  max-width:820px;margin:20px auto 0;color:#b3c2dd;font-size:16px;line-height:1.85;text-align:left;
}
.hero-search{
  display:flex;align-items:center;gap:10px;
  max-width:640px;margin:30px auto 0;padding:8px 8px 8px 16px;
  border-radius:16px;border:1px solid var(--line-strong);
  background:rgba(255,255,255,.06);
  backdrop-filter:blur(14px);-webkit-backdrop-filter:blur(14px);
  box-shadow:0 18px 44px rgba(0,0,0,.4),inset 0 0 0 1px rgba(255,255,255,.05);
  transition:border-color var(--dur),box-shadow var(--dur);
}
.hero-search:focus-within{border-color:var(--primary);box-shadow:0 18px 44px rgba(0,0,0,.45),0 0 0 4px rgba(61,125,255,.22);}
.hero-search .search-ico{color:#7f9ac9;flex-shrink:0;}
.hero-search input{
  flex:1;min-width:0;background:transparent;border:0;outline:none;
  color:#fff;font-size:15px;padding:10px 4px;
}
.hero-search input::placeholder{color:rgba(147,163,196,.85);}
.chips{display:flex;flex-wrap:wrap;justify-content:center;gap:10px;margin-top:22px;}
.chip{
  display:inline-flex;align-items:center;gap:6px;
  padding:8px 16px;border-radius:999px;cursor:pointer;
  font-size:14px;color:var(--muted);
  border:1px solid var(--line);background:rgba(255,255,255,.04);
  transition:color var(--dur),background var(--dur),border-color var(--dur),transform var(--dur);
}
.chip:hover{color:#fff;background:rgba(61,125,255,.16);border-color:var(--line-strong);transform:translateY(-2px);}
.hero-stats{
  display:flex;flex-wrap:wrap;justify-content:center;gap:14px;margin-top:34px;
}
.hero-stat{
  min-width:150px;padding:16px 22px;border-radius:12px;
  background:rgba(255,255,255,.05);border:1px solid var(--line);
  backdrop-filter:blur(10px);-webkit-backdrop-filter:blur(10px);
}
.hero-stat b{display:block;font-size:24px;color:#fff;letter-spacing:.5px;}
.hero-stat span{font-size:13px;color:var(--muted);}

/* ===== Sections ===== */
.section{padding:70px 0;position:relative;}
.section-alt{
  background:rgba(255,255,255,.022);
  border-top:1px solid rgba(255,255,255,.055);
  border-bottom:1px solid rgba(255,255,255,.055);
}
.section-head{max-width:760px;margin-bottom:36px;}
.section-head.center{margin-left:auto;margin-right:auto;text-align:center;}
.eyebrow{
  display:inline-flex;align-items:center;gap:8px;font-size:13px;letter-spacing:1px;
  color:#8fb4ff;text-transform:uppercase;margin-bottom:12px;
}
.eyebrow::before{content:"";width:22px;height:2px;border-radius:2px;background:linear-gradient(90deg,var(--primary),var(--primary-2));}
.section-title{font-size:clamp(22px,2.6vw,30px);color:#fff;}
.section-desc{margin-top:14px;color:var(--muted);font-size:15.5px;line-height:1.85;}

/* ===== Grids & cards ===== */
.grid{display:grid;gap:20px;}
.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));}
.card{
  position:relative;padding:24px;border-radius:var(--radius);
  background:linear-gradient(160deg,rgba(255,255,255,.075),rgba(255,255,255,.028));
  border:1px solid var(--line);
  box-shadow:var(--shadow);
  backdrop-filter:blur(10px);-webkit-backdrop-filter:blur(10px);
  transition:transform var(--dur) ease,box-shadow var(--dur) ease,border-color var(--dur) ease;
  height:100%;
}
.card:hover{
  transform:translateY(-4px);
  border-color:var(--line-strong);
  box-shadow:var(--shadow-hover),0 0 0 1px rgba(61,125,255,.22);
}
.card-ico{
  width:44px;height:44px;border-radius:12px;display:inline-flex;align-items:center;justify-content:center;
  background:rgba(61,125,255,.16);border:1px solid rgba(61,125,255,.34);color:#9fc2ff;margin-bottom:16px;
}
.card h3{font-size:17.5px;color:#fff;margin-bottom:10px;}
.card p{color:var(--muted);font-size:14.8px;line-height:1.8;}
.tag{
  display:inline-block;padding:4px 11px;border-radius:999px;font-size:12.5px;
  color:#a6c4ff;background:rgba(61,125,255,.14);border:1px solid rgba(61,125,255,.3);
}
.tag-soft{color:#8fe6f2;background:rgba(37,208,232,.12);border-color:rgba(37,208,232,.3);}

/* ===== Split ===== */
.split{display:grid;grid-template-columns:1.05fr .95fr;gap:44px;align-items:center;}
.split-media{
  position:relative;border-radius:18px;overflow:hidden;
  border:1px solid var(--line);box-shadow:var(--shadow);
  aspect-ratio:16/11;
}
.split-media img{width:100%;height:100%;object-fit:cover;transition:transform .5s ease;}
.split-media:hover img{transform:scale(1.04);}
.split-media::after{
  content:"";position:absolute;inset:0;
  background:linear-gradient(160deg,rgba(6,10,20,.02),rgba(6,10,20,.62));
}
.mini-list{display:grid;gap:14px;margin-top:24px;}
.mini-item{
  display:flex;gap:14px;align-items:flex-start;
  padding:16px 18px;border-radius:12px;
  background:rgba(255,255,255,.04);border:1px solid var(--line);
  transition:border-color var(--dur),background var(--dur),transform var(--dur);
}
.mini-item:hover{border-color:var(--line-strong);background:rgba(61,125,255,.1);transform:translateX(4px);}
.mini-item b{display:block;color:#fff;font-size:15.5px;margin-bottom:4px;}
.mini-item span{color:var(--muted);font-size:14.4px;line-height:1.75;}
.mini-num{
  flex-shrink:0;width:28px;height:28px;border-radius:9px;display:inline-flex;align-items:center;justify-content:center;
  font-size:13px;font-weight:800;color:#04101f;
  background:linear-gradient(140deg,var(--primary),var(--primary-2));
}

/* ===== Channel cards ===== */
.channel{
  display:block;position:relative;overflow:hidden;border-radius:var(--radius);
  border:1px solid var(--line);background:rgba(255,255,255,.045);
  box-shadow:var(--shadow);
  transition:transform var(--dur),box-shadow var(--dur),border-color var(--dur);
}
.channel:hover{transform:translateY(-4px);border-color:var(--line-strong);box-shadow:var(--shadow-hover);}
.channel-img{aspect-ratio:16/9;overflow:hidden;background:#0c1426;}
.channel-img img{width:100%;height:100%;object-fit:cover;transition:transform .5s ease;opacity:.92;}
.channel:hover .channel-img img{transform:scale(1.06);opacity:1;}
.channel-body{padding:20px 22px 24px;}
.channel-body h3{font-size:17px;color:#fff;margin-bottom:8px;}
.channel-body p{color:var(--muted);font-size:14.5px;line-height:1.78;}
.channel-more{display:inline-flex;align-items:center;gap:6px;margin-top:14px;font-size:14px;color:#8fb4ff;font-weight:600;}

/* ===== News cards ===== */
.news-card{display:block;padding:0;overflow:hidden;}
.news-thumb{aspect-ratio:16/9;overflow:hidden;background:#0c1426;}
.news-thumb img{width:100%;height:100%;object-fit:cover;transition:transform .45s ease;opacity:.9;}
.news-card:hover .news-thumb img{transform:scale(1.06);opacity:1;}
.news-body{padding:18px 20px 22px;}
.news-meta{display:flex;align-items:center;gap:10px;flex-wrap:wrap;margin-bottom:10px;}
.news-meta small{color:#7f90b0;font-size:12.5px;}
.news-body h3{font-size:16.5px;color:#fff;margin-bottom:8px;line-height:1.5;}
.news-body p{color:var(--muted);font-size:14.3px;line-height:1.75;}
.empty-note{
  grid-column:1/-1;padding:34px;text-align:center;border-radius:12px;
  border:1px dashed var(--line-strong);color:var(--muted);font-size:15px;
  background:rgba(255,255,255,.03);
}

/* ===== Reputation ===== */
.rate{display:inline-flex;gap:3px;color:var(--warn);margin-bottom:12px;}
.quote{color:#cbd7ee;font-size:14.8px;line-height:1.85;}
.quote-person{display:flex;align-items:center;gap:10px;margin-top:18px;}
.avatar{
  width:34px;height:34px;border-radius:50%;display:inline-flex;align-items:center;justify-content:center;
  font-size:13px;font-weight:800;color:#04101f;
  background:linear-gradient(140deg,#8fb4ff,#25d0e8);
}
.quote-person b{display:block;font-size:14px;color:#fff;}
.quote-person small{color:#7f90b0;font-size:12.5px;}

/* ===== Promise strip ===== */
.promise{
  display:grid;grid-template-columns:repeat(4,minmax(0,1fr));gap:16px;
  padding:26px;border-radius:18px;
  background:linear-gradient(120deg,rgba(61,125,255,.14),rgba(37,208,232,.06));
  border:1px solid var(--line-strong);
}
.promise-item{display:flex;gap:12px;align-items:flex-start;}
.promise-item svg{flex-shrink:0;color:var(--primary-2);margin-top:3px;}
.promise-item b{display:block;color:#fff;font-size:15px;margin-bottom:4px;}
.promise-item span{color:#a8bada;font-size:13.8px;line-height:1.72;}

/* ===== Steps ===== */
.steps{display:grid;grid-template-columns:repeat(4,minmax(0,1fr));gap:18px;counter-reset:step;}
.step{
  position:relative;padding:26px 22px 24px;border-radius:var(--radius);
  background:rgba(255,255,255,.045);border:1px solid var(--line);
  transition:transform var(--dur),border-color var(--dur),background var(--dur);
}
.step:hover{transform:translateY(-4px);border-color:var(--line-strong);background:rgba(61,125,255,.1);}
.step-index{
  display:inline-flex;align-items:center;justify-content:center;
  width:36px;height:36px;border-radius:11px;margin-bottom:14px;
  font-weight:800;font-size:15px;color:#04101f;
  background:linear-gradient(140deg,#3d7dff,#25d0e8);
  box-shadow:0 8px 20px rgba(61,125,255,.4);
}
.step h3{font-size:16.5px;color:#fff;margin-bottom:8px;}
.step p{color:var(--muted);font-size:14.3px;line-height:1.76;}

/* ===== Metrics ===== */
.metrics{display:grid;grid-template-columns:repeat(4,minmax(0,1fr));gap:18px;}
.metric{
  padding:26px 20px;border-radius:var(--radius);text-align:center;
  background:rgba(255,255,255,.05);border:1px solid var(--line);
  transition:border-color var(--dur),transform var(--dur);
}
.metric:hover{border-color:var(--line-strong);transform:translateY(-3px);}
.metric b{display:block;font-size:30px;line-height:1.2;color:#fff;
  background:linear-gradient(120deg,#fff,#7fe6f5);-webkit-background-clip:text;background-clip:text;color:transparent;}
.metric span{display:block;margin-top:8px;color:var(--muted);font-size:14px;}

/* ===== Summary list ===== */
.summary-box{
  padding:30px 32px;border-radius:18px;
  background:linear-gradient(160deg,rgba(255,255,255,.075),rgba(255,255,255,.025));
  border:1px solid var(--line);box-shadow:var(--shadow);
}
.summary-list{display:grid;gap:14px;}
.summary-list li{
  display:flex;gap:12px;align-items:flex-start;
  padding-bottom:14px;border-bottom:1px dashed rgba(122,168,255,.16);
  color:#c7d4ea;font-size:15px;line-height:1.8;
}
.summary-list li:last-child{border-bottom:0;padding-bottom:0;}
.summary-list li::before{
  content:"";flex-shrink:0;width:8px;height:8px;margin-top:10px;border-radius:50%;
  background:linear-gradient(140deg,var(--primary),var(--primary-2));
  box-shadow:0 0 10px rgba(61,125,255,.7);
}

/* ===== CTA ===== */
.cta-band{
  position:relative;overflow:hidden;padding:56px 40px;border-radius:22px;text-align:center;
  background:linear-gradient(135deg,rgba(61,125,255,.22),rgba(37,208,232,.12));
  border:1px solid var(--line-strong);
  box-shadow:0 24px 60px rgba(0,0,0,.45);
}
.cta-band::before{
  content:"";position:absolute;width:420px;height:420px;border-radius:50%;
  background:radial-gradient(circle,rgba(61,125,255,.42),transparent 68%);
  top:-200px;right:-120px;pointer-events:none;
}
.cta-band h2{position:relative;font-size:clamp(22px,2.8vw,30px);color:#fff;}
.cta-band p{position:relative;max-width:680px;margin:16px auto 0;color:#b7c8e6;font-size:15.5px;line-height:1.85;}
.cta-actions{position:relative;display:flex;flex-wrap:wrap;gap:14px;justify-content:center;margin-top:28px;}

/* ===== Footer ===== */
.site-footer{
  border-top:1px solid var(--line);
  background:rgba(5,8,16,.72);
  padding:56px 0 0;
  margin-top:20px;
}
.footer-grid{
  display:grid;grid-template-columns:1.4fr 1fr 1fr;gap:40px;padding-bottom:40px;
}
.footer-brand p{color:var(--muted);font-size:14.5px;line-height:1.85;margin-top:16px;max-width:340px;}
.footer-col h4{font-size:15px;color:#fff;margin-bottom:16px;letter-spacing:.5px;}
.footer-list{display:grid;gap:11px;}
.footer-list a{color:var(--muted);font-size:14.5px;transition:color var(--dur),padding-left var(--dur);}
.footer-list a:hover{color:#8fb4ff;padding-left:4px;}
.footer-bottom{
  border-top:1px solid rgba(122,168,255,.12);
  padding:20px 0;display:flex;flex-wrap:wrap;gap:10px;justify-content:space-between;
  color:#75849f;font-size:13.5px;
}

/* ===== Responsive ===== */
@media (max-width:1180px){
  .nav-search{display:none;}
}
@media (max-width:1023px){
  .nav-links{
    position:absolute;top:64px;left:-20px;right:-20px;
    flex-direction:column;align-items:stretch;gap:4px;
    padding:14px 20px 18px;margin:0;
    background:rgba(7,12,24,.98);
    border-bottom:1px solid var(--line);
    box-shadow:0 20px 40px rgba(0,0,0,.5);
    display:none;
  }
  .nav-links.is-open{display:flex;}
  .nav-link{padding:12px 14px;font-size:15.5px;}
  .nav-toggle{display:inline-flex;}
  .nav-actions{margin-left:auto;}
  .split{grid-template-columns:1fr;gap:32px;}
  .promise{grid-template-columns:repeat(2,minmax(0,1fr));}
  .steps{grid-template-columns:repeat(2,minmax(0,1fr));}
  .metrics{grid-template-columns:repeat(2,minmax(0,1fr));}
  .grid-4{grid-template-columns:repeat(2,minmax(0,1fr));}
  .grid-3{grid-template-columns:repeat(2,minmax(0,1fr));}
  .footer-grid{grid-template-columns:1fr 1fr;gap:32px;}
}
@media (max-width:767px){
  .hero{padding:56px 0 52px;}
  .section{padding:54px 0;}
  .logo-text{font-size:15.5px;}
  .hero-sub{font-size:15px;text-align:left;}
  .hero-search{flex-wrap:wrap;padding:12px;justify-content:center;}
  .hero-search input{width:100%;flex:1 1 100%;padding:6px 4px;}
  .hero-search .btn{width:100%;}
  .hero-search .search-ico{display:none;}
  .hero-stats{gap:10px;}
  .hero-stat{flex:1 1 46%;min-width:0;padding:14px 16px;}
  .cta-band{padding:40px 22px;}
  .footer-grid{grid-template-columns:1fr;}
  .footer-bottom{justify-content:center;text-align:center;}
}
@media (max-width:560px){
  .container{padding:0 16px;}
  .grid-2,.grid-3,.grid-4{grid-template-columns:1fr;}
  .promise,.steps,.metrics{grid-template-columns:1fr;}
  .card{padding:20px;}
  .summary-box{padding:22px;}
  .hero h1{font-size:26px;}
  .btn{padding:11px 20px;}
  .cta-actions .btn{width:100%;}
}

/* roulang page: category1 */
:root{
 --bg:#060a14;
 --bg-soft:#0a1120;
 --panel:rgba(255,255,255,.055);
 --panel-2:rgba(255,255,255,.085);
 --line:rgba(122,168,255,.16);
 --line-strong:rgba(122,168,255,.42);
 --text:#e9eefc;
 --muted:#93a3c4;
 --primary:#3d7dff;
 --primary-2:#25d0e8;
 --warn:#ffcb6b;
 --radius:14px;
 --radius-sm:10px;
 --shadow:0 12px 34px rgba(0,0,0,.36);
 --shadow-hover:0 20px 46px rgba(0,0,0,.52);
 --glow:0 8px 26px rgba(61,125,255,.42);
 --dur:.22s;
}
*,*::before,*::after{box-sizing:border-box;}
html{-webkit-text-size-adjust:100%;scroll-behavior:smooth;scroll-padding-top:88px;}
body{
 margin:0;
 font-family:"PingFang SC","Hiragino Sans GB","Microsoft YaHei","Helvetica Neue",Arial,sans-serif;
 font-size:16px;line-height:1.78;color:var(--text);
 background-color:var(--bg);
 background-image:
  radial-gradient(900px 520px at 12% -8%, rgba(61,125,255,.26), transparent 62%),
  radial-gradient(760px 480px at 92% 4%, rgba(37,208,232,.15), transparent 58%),
  radial-gradient(900px 620px at 50% 118%, rgba(61,125,255,.17), transparent 64%);
 background-repeat:no-repeat;
 -webkit-font-smoothing:antialiased;
 overflow-x:hidden;
}
img{max-width:100%;display:block;border:0;}
a{color:inherit;text-decoration:none;}
ul,ol{margin:0;padding:0;list-style:none;}
h1,h2,h3,h4{margin:0;line-height:1.32;}
p{margin:0;}
button,input{font-family:inherit;font-size:inherit;}
:focus-visible{outline:2px solid var(--primary-2);outline-offset:3px;}
.container{width:100%;max-width:1200px;margin:0 auto;padding:0 20px;}

/* ===== Buttons ===== */
.btn{
 display:inline-flex;align-items:center;justify-content:center;gap:8px;
 padding:12px 24px;border-radius:10px;border:1px solid transparent;
 font-size:15px;font-weight:700;cursor:pointer;
 transition:transform var(--dur) ease,box-shadow var(--dur) ease,background var(--dur) ease,color var(--dur) ease,border-color var(--dur) ease;
 white-space:nowrap;
}
.btn-primary{
 background:linear-gradient(135deg,#3d7dff 0%,#25d0e8 100%);
 color:#04101f;
 box-shadow:var(--glow),inset 0 0 0 1px rgba(255,255,255,.28);
}
.btn-primary:hover{transform:translateY(-2px);box-shadow:0 14px 34px rgba(61,125,255,.6),inset 0 0 0 1px rgba(255,255,255,.4);}
.btn-primary:active{transform:translateY(0);box-shadow:0 6px 18px rgba(61,125,255,.4);}
.btn-ghost{background:rgba(255,255,255,.04);color:var(--text);border-color:var(--line-strong);}
.btn-ghost:hover{transform:translateY(-2px);background:rgba(61,125,255,.16);border-color:var(--primary);}
.btn-ghost:active{transform:translateY(0);}
.btn-sm{padding:9px 18px;font-size:14px;border-radius:9px;}
.btn-block{display:flex;width:100%;margin-top:18px;}

/* ===== Header ===== */
.site-header{
 position:sticky;top:0;z-index:80;
 background:rgba(8,13,26,.8);
 backdrop-filter:blur(16px);-webkit-backdrop-filter:blur(16px);
 border-bottom:1px solid var(--line);
 transition:box-shadow var(--dur) ease,background var(--dur) ease;
}
.site-header.is-scrolled{background:rgba(7,11,23,.94);box-shadow:0 10px 28px rgba(0,0,0,.5);}
.nav-wrap{display:flex;align-items:center;height:64px;gap:16px;position:relative;}
.logo{display:inline-flex;align-items:center;gap:10px;flex-shrink:0;}
.logo-mark{
 width:36px;height:36px;border-radius:11px;display:inline-flex;align-items:center;justify-content:center;
 background:linear-gradient(140deg,rgba(61,125,255,.95),rgba(37,208,232,.85));
 color:#04101f;box-shadow:0 6px 18px rgba(61,125,255,.45);
}
.logo-text{font-size:17px;font-weight:800;letter-spacing:.4px;color:#fff;white-space:nowrap;}
.nav-links{display:flex;align-items:center;gap:4px;margin-left:auto;margin-right:6px;}
.nav-link{
 position:relative;padding:8px 14px;border-radius:10px;font-size:15px;color:var(--muted);
 transition:color var(--dur),background var(--dur),box-shadow var(--dur);white-space:nowrap;
}
.nav-link:hover{color:#fff;background:rgba(255,255,255,.07);}
.nav-link.is-active{color:#fff;background:rgba(61,125,255,.18);box-shadow:inset 0 0 0 1px rgba(61,125,255,.5);}
.nav-actions{display:flex;align-items:center;gap:10px;}
.nav-search input{
 width:172px;padding:9px 14px;border-radius:10px;border:1px solid var(--line);
 background:rgba(255,255,255,.05);color:#fff;font-size:14px;outline:none;
 transition:border-color var(--dur),box-shadow var(--dur);
}
.nav-search input::placeholder{color:rgba(147,163,196,.8);}
.nav-search input:focus{border-color:var(--line-strong);box-shadow:0 0 0 3px rgba(61,125,255,.22);}
.nav-toggle{
 display:none;align-items:center;justify-content:center;width:42px;height:42px;
 border-radius:11px;cursor:pointer;border:1px solid var(--line);
 background:rgba(255,255,255,.05);color:#fff;
}

/* ===== Section base ===== */
.section{padding:72px 0;position:relative;}
.section--soft{background:var(--bg-soft);border-top:1px solid var(--line);border-bottom:1px solid var(--line);}
.section-head{max-width:780px;margin-bottom:34px;}
.section-head h2{font-size:clamp(22px,3vw,30px);margin-top:14px;letter-spacing:.3px;}
.section-head p{color:var(--muted);margin-top:12px;font-size:15px;}
.deco-line{width:46px;height:3px;border-radius:2px;background:linear-gradient(90deg,var(--primary),var(--primary-2));display:block;}
.kicker{
 display:inline-flex;align-items:center;gap:8px;padding:5px 14px;border-radius:999px;
 font-size:12.5px;letter-spacing:.8px;color:#a9c6ff;
 background:rgba(61,125,255,.14);border:1px solid rgba(61,125,255,.34);
}
.kicker::before{content:"";width:6px;height:6px;border-radius:50%;background:var(--primary-2);box-shadow:0 0 9px var(--primary-2);}

/* ===== Hero ===== */
.cat-hero{position:relative;overflow:hidden;padding:62px 0 74px;border-bottom:1px solid var(--line);}
.cat-hero__bg{position:absolute;inset:0;background-size:cover;background-position:center;opacity:.32;}
.cat-hero__bg::after{
 content:"";position:absolute;inset:0;
 background:linear-gradient(180deg,rgba(6,10,20,.7) 0%,rgba(6,10,20,.9) 58%,rgba(6,10,20,.99) 100%);
}
.cat-hero__inner{position:relative;z-index:2;display:grid;grid-template-columns:1.06fr .94fr;gap:44px;align-items:center;}
.crumbs{display:flex;align-items:center;gap:8px;font-size:13px;color:var(--muted);margin-bottom:18px;flex-wrap:wrap;}
.crumbs a:hover{color:#fff;}
.crumbs span{color:#63749a;}
.cat-hero h1{
 font-size:clamp(28px,3.6vw,42px);line-height:1.24;margin-top:18px;
 background:linear-gradient(120deg,#ffffff 32%,#a9c8ff 76%,#7fe6f5 100%);
 -webkit-background-clip:text;background-clip:text;color:transparent;
}
.cat-hero__lead{color:#b3c2dd;font-size:15.5px;line-height:1.85;margin-top:18px;max-width:640px;}
.chips{display:flex;flex-wrap:wrap;gap:10px;margin-top:22px;}
.chip{
 display:inline-flex;align-items:center;gap:6px;padding:7px 15px;border-radius:999px;
 font-size:13.5px;color:#bfd3f5;background:rgba(255,255,255,.05);
 border:1px solid var(--line);transition:border-color var(--dur),color var(--dur),background var(--dur);
}
.chip:hover{border-color:var(--line-strong);color:#fff;background:rgba(61,125,255,.16);}
.cat-hero__actions{display:flex;flex-wrap:wrap;gap:12px;margin-top:28px;}

/* 对比卡 */
.entry-compare{display:grid;gap:16px;}
.entry-card{
 position:relative;padding:22px;border-radius:var(--radius);
 border:1px solid var(--line);background:var(--panel);
 backdrop-filter:blur(14px);-webkit-backdrop-filter:blur(14px);
 transition:transform var(--dur),box-shadow var(--dur),border-color var(--dur);
}
.entry-card:hover{transform:translateY(-3px);border-color:var(--line-strong);box-shadow:var(--shadow);}
.entry-card.is-recommended{
 border-color:var(--line-strong);
 background:linear-gradient(160deg,rgba(61,125,255,.24),rgba(37,208,232,.08));
 box-shadow:0 18px 44px rgba(61,125,255,.26);
}
.entry-badge{
 position:absolute;top:-11px;left:20px;padding:3px 13px;border-radius:999px;
 font-size:12px;font-weight:800;color:#04101f;
 background:linear-gradient(135deg,#3d7dff,#25d0e8);box-shadow:var(--glow);
}
.entry-card h2{font-size:20px;margin-top:4px;}
.entry-card h3{font-size:17px;margin-top:2px;}
.entry-card p{color:var(--muted);font-size:14.5px;margin-top:10px;}
.entry-list{margin-top:14px;display:grid;gap:8px;}
.entry-list li{position:relative;padding-left:22px;font-size:14px;color:#c3d1ea;}
.entry-list li::before{
 content:"";position:absolute;left:0;top:9px;width:8px;height:8px;border-radius:50%;
 background:var(--primary-2);box-shadow:0 0 10px var(--primary-2);
}

/* ===== Grid & Cards ===== */
.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));}
.card{
 background:var(--panel);border:1px solid var(--line);border-radius:var(--radius);
 padding:24px;backdrop-filter:blur(12px);-webkit-backdrop-filter:blur(12px);
 box-shadow:var(--shadow);
 transition:transform var(--dur),box-shadow var(--dur),border-color var(--dur),background var(--dur);
}
.card:hover{transform:translateY(-4px);box-shadow:var(--shadow-hover);border-color:var(--line-strong);background:var(--panel-2);}
.card-icon{
 width:44px;height:44px;border-radius:12px;display:inline-flex;align-items:center;justify-content:center;
 background:rgba(61,125,255,.16);border:1px solid rgba(61,125,255,.34);color:#8fc0ff;margin-bottom:16px;
}
.card h3{font-size:17.5px;}
.card p{color:var(--muted);font-size:14.5px;margin-top:10px;}
.card .tag{
 display:inline-block;margin-top:16px;padding:4px 11px;border-radius:8px;font-size:12.5px;
 color:#a9c6ff;background:rgba(61,125,255,.14);border:1px solid rgba(61,125,255,.28);
}

/* 解决方案图文 */
.split{display:grid;grid-template-columns:1fr 1fr;gap:40px;align-items:center;}
.split__media{position:relative;border-radius:18px;overflow:hidden;border:1px solid var(--line);box-shadow:var(--shadow);}
.split__media img{width:100%;aspect-ratio:16/11;object-fit:cover;transition:transform .5s ease;}
.split__media:hover img{transform:scale(1.04);}
.split__media::after{
 content:"";position:absolute;inset:0;
 background:linear-gradient(180deg,rgba(6,10,20,.05),rgba(6,10,20,.62));
}
.check-list{display:grid;gap:14px;margin-top:22px;}
.check-list li{position:relative;padding-left:28px;color:#c6d4ec;font-size:15px;}
.check-list li::before{
 content:"";position:absolute;left:0;top:8px;width:9px;height:9px;border-radius:3px;
 background:linear-gradient(135deg,var(--primary),var(--primary-2));box-shadow:0 0 10px rgba(61,125,255,.7);
}
.check-list strong{color:#fff;}

/* 步骤 */
.steps{counter-reset:step;display:grid;gap:18px;grid-template-columns:repeat(2,minmax(0,1fr));}
.step{
 position:relative;padding:24px 24px 24px 76px;border-radius:var(--radius);
 border:1px solid var(--line);background:var(--panel);
 transition:transform var(--dur),border-color var(--dur),background var(--dur),box-shadow var(--dur);
}
.step:hover{transform:translateY(-3px);border-color:var(--line-strong);background:var(--panel-2);box-shadow:var(--shadow);}
.step::before{
 counter-increment:step;content:counter(step,decimal-leading-zero);
 position:absolute;left:22px;top:24px;
 font-size:22px;font-weight:800;
 background:linear-gradient(135deg,#8fc0ff,#25d0e8);
 -webkit-background-clip:text;background-clip:text;color:transparent;
}
.step h3{font-size:17px;}
.step p{color:var(--muted);font-size:14.5px;margin-top:9px;}

/* 数据 */
.stat{
 text-align:center;padding:30px 20px;border-radius:var(--radius);
 border:1px solid var(--line);background:var(--panel);
 transition:transform var(--dur),border-color var(--dur),box-shadow var(--dur);
}
.stat:hover{transform:translateY(-3px);border-color:var(--line-strong);box-shadow:var(--shadow);}
.stat b{
 display:block;font-size:34px;line-height:1.2;font-weight:800;
 background:linear-gradient(120deg,#ffffff,#7fb4ff 60%,#25d0e8);
 -webkit-background-clip:text;background-clip:text;color:transparent;
}
.stat span{display:block;margin-top:10px;font-size:13.5px;color:var(--muted);}

/* 证言 */
.quote{
 padding:26px;border-radius:var(--radius);border:1px solid var(--line);
 background:var(--panel);position:relative;
 transition:transform var(--dur),border-color var(--dur),box-shadow var(--dur);
}
.quote:hover{transform:translateY(-3px);border-color:var(--line-strong);box-shadow:var(--shadow);}
.quote p{color:#c9d6ee;font-size:14.8px;line-height:1.85;}
.quote-author{display:flex;align-items:center;gap:12px;margin-top:18px;}
.avatar{
 width:38px;height:38px;border-radius:50%;display:inline-flex;align-items:center;justify-content:center;
 font-size:14px;font-weight:800;color:#04101f;
 background:linear-gradient(135deg,#7fb4ff,#25d0e8);
}
.quote-author strong{display:block;font-size:14px;color:#fff;}
.quote-author em{font-style:normal;font-size:12.5px;color:var(--muted);}

/* 适用人群 */
.audience{display:grid;gap:18px;grid-template-columns:repeat(3,minmax(0,1fr));}
.audience-item{
 padding:22px;border-radius:var(--radius);border:1px solid var(--line);
 background:linear-gradient(160deg,rgba(61,125,255,.12),rgba(255,255,255,.03));
 transition:transform var(--dur),border-color var(--dur),box-shadow var(--dur);
}
.audience-item:hover{transform:translateY(-3px);border-color:var(--line-strong);box-shadow:var(--shadow);}
.audience-item h3{font-size:16.5px;}
.audience-item p{color:var(--muted);font-size:14.3px;margin-top:9px;}

/* 资讯列表 */
.news-grid{display:grid;gap:20px;grid-template-columns:repeat(3,minmax(0,1fr));}
.news-card{
 border-radius:var(--radius);border:1px solid var(--line);background:var(--panel);
 transition:transform var(--dur),border-color var(--dur),box-shadow var(--dur),background var(--dur);
 overflow:hidden;
}
.news-card:hover{transform:translateY(-4px);border-color:var(--line-strong);box-shadow:var(--shadow-hover);background:var(--panel-2);}
.news-link{display:block;padding:22px;height:100%;}
.news-tag{
 display:inline-block;padding:3px 11px;border-radius:7px;font-size:12px;
 color:#8fe6f5;background:rgba(37,208,232,.12);border:1px solid rgba(37,208,232,.3);
}
.news-card h3{font-size:16px;margin-top:13px;line-height:1.55;}
.news-card p{
 color:var(--muted);font-size:13.8px;margin-top:10px;
 display:-webkit-box;-webkit-line-clamp:3;-webkit-box-orient:vertical;overflow:hidden;
}
.news-meta{display:block;margin-top:14px;font-size:12.5px;color:#6f80a5;}
.news-empty{
 padding:34px;text-align:center;border-radius:var(--radius);
 border:1px dashed var(--line-strong);color:var(--muted);background:rgba(255,255,255,.03);
}

/* CTA */
.cta-band{
 position:relative;overflow:hidden;border-radius:20px;padding:52px 40px;
 border:1px solid var(--line-strong);
 background:linear-gradient(135deg,rgba(61,125,255,.28),rgba(37,208,232,.14));
 box-shadow:0 22px 50px rgba(0,0,0,.42);
 text-align:center;
}
.cta-band h2{font-size:clamp(22px,2.8vw,30px);}
.cta-band p{color:#c8d7f1;max-width:720px;margin:14px auto 0;font-size:15px;}
.cta-band .cat-hero__actions{justify-content:center;}

/* ===== Footer ===== */
.site-footer{padding:56px 0 0;border-top:1px solid var(--line);background:rgba(6,10,20,.92);}
.footer-grid{display:grid;grid-template-columns:1.6fr 1fr 1fr;gap:38px;}
.footer-brand p{color:var(--muted);font-size:14px;margin-top:16px;max-width:380px;}
.footer-col h4{font-size:15px;margin-bottom:16px;color:#fff;}
.footer-list li{margin-bottom:10px;}
.footer-list a{color:var(--muted);font-size:14px;transition:color var(--dur),padding-left var(--dur);}
.footer-list a:hover{color:#fff;}
.footer-bottom{
 margin-top:42px;padding:20px 0;border-top:1px solid var(--line);
 display:flex;justify-content:space-between;gap:12px;flex-wrap:wrap;
 font-size:13px;color:var(--muted);
}

/* ===== Responsive ===== */
@media (max-width:1024px){
 .nav-links{
  position:absolute;top:64px;left:0;right:0;margin:0;
  flex-direction:column;align-items:stretch;gap:4px;
  padding:12px 20px 18px;background:rgba(8,13,26,.98);
  border-bottom:1px solid var(--line);display:none;
  box-shadow:0 18px 34px rgba(0,0,0,.5);
 }
 .nav-links.is-open{display:flex;}
 .nav-toggle{display:inline-flex;}
 .nav-search{display:none;}
 .cat-hero__inner{grid-template-columns:1fr;gap:36px;}
 .cat-hero h1{font-size:clamp(26px,4.6vw,34px);}
 .grid--4{grid-template-columns:repeat(2,minmax(0,1fr));}
 .grid--3{grid-template-columns:repeat(2,minmax(0,1fr));}
 .news-grid{grid-template-columns:repeat(2,minmax(0,1fr));}
 .audience{grid-template-columns:repeat(2,minmax(0,1fr));}
 .split{grid-template-columns:1fr;gap:28px;}
 .footer-grid{grid-template-columns:1fr 1fr;gap:30px;}
 .footer-brand{grid-column:1 / -1;}
}
@media (max-width:820px){
 .section{padding:56px 0;}
 .steps{grid-template-columns:1fr;}
}
@media (max-width:640px){
 .container{padding:0 16px;}
 .cat-hero{padding:44px 0 56px;}
 .grid--2,.grid--3,.grid--4,.news-grid,.audience{grid-template-columns:1fr;}
 .footer-grid{grid-template-columns:1fr;}
 .cta-band{padding:38px 22px;border-radius:16px;}
 .cat-hero__actions .btn,.cta-band .btn{width:100%;}
 .step{padding:22px 20px 22px 66px;}
 .step::before{left:18px;top:22px;}
 .card,.entry-card{padding:20px;}
 .section-head{margin-bottom:26px;}
 .footer-bottom{flex-direction:column;gap:6px;}
}
@media (max-width:400px){
 .logo-text{font-size:15px;}
 .btn-sm{padding:8px 13px;font-size:13px;}
}

/* roulang page: article */
:root{
 --bg:#060a14;
 --bg-soft:#0a1120;
 --panel:rgba(255,255,255,.055);
 --panel-2:rgba(255,255,255,.085);
 --line:rgba(122,168,255,.16);
 --line-strong:rgba(122,168,255,.42);
 --text:#e9eefc;
 --muted:#93a3c4;
 --primary:#3d7dff;
 --primary-2:#25d0e8;
 --warn:#ffcb6b;
 --radius:14px;
 --radius-sm:10px;
 --shadow:0 12px 34px rgba(0,0,0,.36);
 --shadow-hover:0 20px 46px rgba(0,0,0,.52);
 --glow:0 8px 26px rgba(61,125,255,.42);
 --dur:.22s;
}
*,*::before,*::after{box-sizing:border-box;}
html{-webkit-text-size-adjust:100%;scroll-behavior:smooth;scroll-padding-top:84px;}
body{
 margin:0;
 font-family:"PingFang SC","Hiragino Sans GB","Microsoft YaHei","Helvetica Neue",Arial,sans-serif;
 font-size:16px;
 line-height:1.78;
 color:var(--text);
 background-color:var(--bg);
 background-image:
 radial-gradient(900px 520px at 12% -8%, rgba(61,125,255,.26), transparent 62%),
 radial-gradient(760px 480px at 92% 4%, rgba(37,208,232,.15), transparent 58%),
 radial-gradient(900px 620px at 50% 118%, rgba(61,125,255,.17), transparent 64%);
 background-repeat:no-repeat;
 -webkit-font-smoothing:antialiased;
 overflow-x:hidden;
}
img{max-width:100%;display:block;border:0;}
a{color:inherit;text-decoration:none;}
button{font-family:inherit;cursor:pointer;}
input,button,select,textarea{font-family:inherit;font-size:inherit;}
h1,h2,h3,h4,p,figure{margin:0;}
ul,ol{margin:0;padding:0;list-style:none;}
a:focus-visible,button:focus-visible,input:focus-visible,summary:focus-visible{outline:2px solid var(--primary-2);outline-offset:3px;}
.container{width:100%;max-width:1200px;margin:0 auto;padding:0 20px;}

/* ===== Buttons ===== */
.btn{
 display:inline-flex;align-items:center;justify-content:center;gap:8px;
 padding:12px 24px;border-radius:10px;border:1px solid transparent;
 font-size:15px;font-weight:700;
 transition:transform var(--dur) ease,box-shadow var(--dur) ease,background var(--dur) ease,color var(--dur) ease,border-color var(--dur) ease;
 white-space:nowrap;
}
.btn-primary{
 background:linear-gradient(135deg,#3d7dff 0%,#25d0e8 100%);
 color:#04101f;
 box-shadow:var(--glow),inset 0 0 0 1px rgba(255,255,255,.28);
}
.btn-primary:hover{transform:translateY(-2px);box-shadow:0 14px 34px rgba(61,125,255,.6),inset 0 0 0 1px rgba(255,255,255,.4);}
.btn-primary:active{transform:translateY(0);box-shadow:0 6px 18px rgba(61,125,255,.4);}
.btn-ghost{
 background:rgba(255,255,255,.04);
 color:var(--text);
 border-color:var(--line-strong);
}
.btn-ghost:hover{transform:translateY(-2px);background:rgba(61,125,255,.16);border-color:var(--primary);}
.btn-sm{padding:9px 18px;font-size:14px;border-radius:9px;}

/* ===== Header ===== */
.site-header{
 position:sticky;top:0;z-index:80;
 background:rgba(8,13,26,.8);
 backdrop-filter:blur(16px);
 -webkit-backdrop-filter:blur(16px);
 border-bottom:1px solid var(--line);
 transition:box-shadow var(--dur) ease,background var(--dur) ease;
}
.site-header.is-scrolled{
 background:rgba(7,11,23,.94);
 box-shadow:0 10px 28px rgba(0,0,0,.5);
}
.nav-wrap{display:flex;align-items:center;height:64px;gap:16px;position:relative;}
.logo{display:inline-flex;align-items:center;gap:10px;flex-shrink:0;}
.logo-mark{
 width:36px;height:36px;border-radius:11px;display:inline-flex;align-items:center;justify-content:center;
 background:linear-gradient(140deg,rgba(61,125,255,.95),rgba(37,208,232,.85));
 color:#04101f;
 box-shadow:0 6px 18px rgba(61,125,255,.45);
}
.logo-text{font-size:17px;font-weight:800;letter-spacing:.4px;color:#fff;white-space:nowrap;}
.nav-links{display:flex;align-items:center;gap:4px;margin-left:auto;margin-right:6px;}
.nav-link{
 position:relative;padding:8px 14px;border-radius:10px;
 font-size:15px;color:var(--muted);
 transition:color var(--dur),background var(--dur),box-shadow var(--dur);
 white-space:nowrap;
}
.nav-link:hover{color:#fff;background:rgba(255,255,255,.07);}
.nav-link.is-active{color:#fff;background:rgba(61,125,255,.18);box-shadow:inset 0 0 0 1px rgba(61,125,255,.5);}
.nav-actions{display:flex;align-items:center;gap:10px;}
.nav-search input{
 width:172px;padding:9px 14px;border-radius:10px;
 border:1px solid var(--line);background:rgba(255,255,255,.05);
 color:#fff;font-size:14px;outline:none;
 transition:border-color var(--dur),box-shadow var(--dur);
}
.nav-search input::placeholder{color:rgba(147,163,196,.8);}
.nav-search input:focus{border-color:var(--line-strong);box-shadow:0 0 0 3px rgba(61,125,255,.22);}
.nav-toggle{
 display:none;align-items:center;justify-content:center;
 width:42px;height:42px;border-radius:11px;
 border:1px solid var(--line);background:rgba(255,255,255,.05);color:#fff;
}

/* ===== Section system ===== */
.section{padding:62px 0;position:relative;}
.section--soft{
 background:rgba(255,255,255,.028);
 border-top:1px solid var(--line);
 border-bottom:1px solid var(--line);
}
.section-head{max-width:780px;margin-bottom:30px;}
.section-kicker{
 display:inline-flex;align-items:center;gap:9px;
 font-size:13px;letter-spacing:.08em;color:#8fb6ff;font-weight:700;
}
.section-kicker::before{
 content:"";width:22px;height:2px;border-radius:2px;
 background:linear-gradient(90deg,var(--primary),var(--primary-2));
}
.section-title{margin-top:10px;font-size:clamp(22px,2.6vw,30px);line-height:1.36;font-weight:800;}
.section-desc{margin-top:10px;color:var(--muted);font-size:15px;line-height:1.85;}

/* ===== Article hero ===== */
.article-hero{position:relative;padding:34px 0 58px;overflow:hidden;}
.article-hero-bg{
 position:absolute;inset:0;
 background-image:url('/assets/images/backpic/back-2.webp');
 background-size:cover;background-position:center;opacity:.24;
}
.article-hero-bg::after{
 content:"";position:absolute;inset:0;
 background:linear-gradient(180deg,rgba(6,10,20,.55) 0%,rgba(6,10,20,.88) 60%,rgba(6,10,20,1) 100%);
}
.article-hero .container{position:relative;z-index:2;}
.crumb{display:flex;flex-wrap:wrap;align-items:center;gap:8px;font-size:13px;color:var(--muted);}
.crumb a{transition:color var(--dur);}
.crumb a:hover{color:#fff;}
.crumb .sep{color:rgba(147,163,196,.5);}
.crumb .now{color:#c3d3ef;}
.hero-grid{display:grid;grid-template-columns:minmax(0,1fr) 336px;gap:40px;align-items:start;margin-top:20px;}
.article-tagline{
 display:inline-flex;align-items:center;gap:8px;
 padding:6px 15px;border-radius:999px;font-size:13px;
 color:#bcd4ff;background:rgba(61,125,255,.14);border:1px solid rgba(61,125,255,.38);
}
.article-tagline .dot{width:6px;height:6px;border-radius:50%;background:var(--primary-2);box-shadow:0 0 10px var(--primary-2);}
.article-title{
 margin-top:16px;
 font-size:clamp(26px,3.3vw,40px);
 line-height:1.3;font-weight:800;
 background:linear-gradient(120deg,#ffffff 32%,#a9c8ff 80%,#7fe6f5 100%);
 -webkit-background-clip:text;background-clip:text;color:transparent;
}
.article-lead{margin-top:18px;color:#b3c2dd;font-size:15.5px;line-height:1.88;}
.article-meta{display:flex;flex-wrap:wrap;gap:10px;margin-top:22px;}
.meta-pill{
 display:inline-flex;align-items:center;gap:7px;
 padding:7px 14px;border-radius:999px;font-size:13px;color:#c2d2ee;
 background:rgba(255,255,255,.05);border:1px solid var(--line);
}
.meta-pill svg{color:#7fb2ff;flex-shrink:0;}

/* ===== Coupon card ===== */
.coupon{
 position:relative;overflow:hidden;
 padding:24px 22px 22px;
 border-radius:var(--radius);
 border:1px solid var(--line-strong);
 background:linear-gradient(160deg,rgba(61,125,255,.20),rgba(10,17,32,.86) 58%);
 backdrop-filter:blur(16px);-webkit-backdrop-filter:blur(16px);
 box-shadow:var(--shadow),inset 0 0 0 1px rgba(255,255,255,.05);
}
.coupon::before{
 content:"";position:absolute;top:-70px;right:-60px;width:180px;height:180px;border-radius:50%;
 background:radial-gradient(circle,rgba(37,208,232,.45),transparent 68%);
 filter:blur(6px);pointer-events:none;
}
.coupon-head{position:relative;font-size:12.5px;letter-spacing:.14em;color:#9fc0ff;font-weight:700;}
.coupon-title{position:relative;margin-top:10px;font-size:26px;font-weight:800;color:#fff;line-height:1.25;}
.coupon-sub{position:relative;margin-top:8px;font-size:13.5px;color:#a9bbdb;line-height:1.7;}
.coupon-dash{
 position:relative;margin:18px 0 16px;height:1px;
 background-image:linear-gradient(90deg,rgba(122,168,255,.5) 50%,transparent 0);
 background-size:12px 1px;background-repeat:repeat-x;
}
.coupon-list{position:relative;display:grid;gap:10px;}
.coupon-list li{display:flex;align-items:flex-start;gap:9px;font-size:14px;color:#c8d6ef;line-height:1.6;}
.coupon-list li svg{color:var(--primary-2);flex-shrink:0;margin-top:3px;}
.coupon .btn{position:relative;width:100%;margin-top:20px;}
.coupon-note{position:relative;margin-top:12px;text-align:center;font-size:12.5px;color:rgba(147,163,196,.9);}

/* ===== Article body ===== */
.article-shell{max-width:920px;margin:0 auto;}
.panel{
 border-radius:var(--radius);
 border:1px solid var(--line);
 background:var(--panel-2);
 backdrop-filter:blur(12px);-webkit-backdrop-filter:blur(12px);
 box-shadow:var(--shadow);
}
.article-body{padding:34px 34px 26px;}
.article-body h2{
 margin:34px 0 14px;padding-left:14px;
 font-size:23px;line-height:1.4;font-weight:800;color:#fff;
 border-left:4px solid var(--primary);border-radius:2px;
}
.article-body h3{margin:26px 0 12px;font-size:18px;font-weight:700;color:#dbe7ff;}
.article-body p{margin:0 0 16px;color:#c4d2ea;font-size:15.5px;line-height:1.88;}
.article-body strong{color:#ffffff;font-weight:700;}
.article-body ul,.article-body ol{margin:0 0 18px;padding-left:22px;color:#c4d2ea;font-size:15.5px;line-height:1.88;}
.article-body ul{list-style:disc;}
.article-body ol{list-style:decimal;}
.article-body li{margin-bottom:8px;}
.article-body a{color:#7fe6f5;text-decoration:underline;text-underline-offset:3px;}
.article-body a:hover{color:#ffffff;}
.article-body img{border-radius:12px;margin:20px 0;box-shadow:var(--shadow);}
.article-body blockquote{
 margin:22px 0;padding:16px 20px;border-radius:var(--radius-sm);
 border-left:3px solid var(--primary-2);background:rgba(37,208,232,.08);color:#cfe0f5;
}
.article-body blockquote p:last-child{margin-bottom:0;}
.article-body table{width:100%;border-collapse:collapse;margin:20px 0;font-size:14.5px;}
.article-body th,.article-body td{padding:11px 14px;border:1px solid var(--line);text-align:left;}
.article-body th{background:rgba(61,125,255,.14);color:#fff;}
.article-body tr:nth-child(even) td{background:rgba(255,255,255,.03);}
.article-body hr{margin:28px 0;border:0;height:1px;background:var(--line);}
.body-figure{margin:0 0 26px;border-radius:var(--radius);overflow:hidden;border:1px solid var(--line);}
.body-figure img{width:100%;height:280px;object-fit:cover;margin:0;border-radius:0;box-shadow:none;}
.body-figure figcaption{padding:10px 16px;font-size:13px;color:var(--muted);background:rgba(255,255,255,.04);}
.empty-box{padding:40px 26px;text-align:center;}
.empty-box h2{font-size:22px;margin-bottom:12px;color:#fff;}
.empty-box p{color:var(--muted);margin-bottom:20px;}

/* ===== Cards grid ===== */
.grid-3{display:grid;grid-template-columns:repeat(3,minmax(0,1fr));gap:20px;}
.grid-2{display:grid;grid-template-columns:repeat(2,minmax(0,1fr));gap:20px;}
.card{
 position:relative;display:flex;flex-direction:column;
 padding:24px 22px;border-radius:var(--radius);
 border:1px solid var(--line);background:var(--panel);
 transition:transform var(--dur) ease,box-shadow var(--dur) ease,border-color var(--dur) ease,background var(--dur) ease;
}
.card:hover{
 transform:translateY(-4px);
 box-shadow:var(--shadow-hover);
 border-color:var(--line-strong);
 background:var(--panel-2);
}
.card-ico{
 width:42px;height:42px;border-radius:12px;display:inline-flex;align-items:center;justify-content:center;
 background:rgba(61,125,255,.18);border:1px solid rgba(61,125,255,.42);color:#9fd0ff;margin-bottom:16px;
}
.card-title{font-size:17px;font-weight:800;color:#fff;line-height:1.45;}
.card-text{margin-top:10px;font-size:14.5px;color:var(--muted);line-height:1.82;flex:1;}
.tag-row{display:flex;flex-wrap:wrap;gap:8px;margin-top:16px;}
.tag{
 display:inline-flex;align-items:center;
 padding:5px 12px;border-radius:999px;font-size:12.5px;
 color:#a8c6ff;background:rgba(61,125,255,.12);border:1px solid rgba(122,168,255,.28);
}
.card-link{
 display:inline-flex;align-items:center;gap:6px;margin-top:16px;
 font-size:14px;font-weight:700;color:var(--primary-2);
 transition:gap var(--dur),color var(--dur);
}
.card-link:hover{gap:11px;color:#fff;}

/* ===== Steps ===== */
.steps{display:grid;grid-template-columns:repeat(4,minmax(0,1fr));gap:18px;}
.step{
 position:relative;padding:24px 20px 22px;border-radius:var(--radius);
 border:1px solid var(--line);background:var(--panel);
 transition:transform var(--dur),border-color var(--dur),box-shadow var(--dur);
}
.step:hover{transform:translateY(-3px);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:#04101f;background:linear-gradient(135deg,#3d7dff,#25d0e8);
 box-shadow:0 6px 16px rgba(61,125,255,.4);
}
.step-title{margin-top:14px;font-size:16px;font-weight:800;color:#fff;}
.step-text{margin-top:8px;font-size:14px;color:var(--muted);line-height:1.8;}

/* ===== Channel entries ===== */
.channel-card{
 display:flex;flex-direction:column;
 padding:26px 22px;border-radius:var(--radius);
 border:1px solid var(--line);
 background:linear-gradient(155deg,rgba(61,125,255,.14),rgba(255,255,255,.04) 65%);
 transition:transform var(--dur),border-color var(--dur),box-shadow var(--dur);
}
.channel-card:hover{transform:translateY(-4px);border-color:var(--line-strong);box-shadow:var(--shadow-hover);}
.channel-index{font-size:12.5px;letter-spacing:.14em;color:#8fb6ff;font-weight:700;}
.channel-title{margin-top:10px;font-size:19px;font-weight:800;color:#fff;}
.channel-text{margin-top:10px;font-size:14.5px;color:var(--muted);line-height:1.82;flex:1;}

/* ===== Related list ===== */
.related-list{display:grid;gap:14px;}
.related-item{
 display:flex;align-items:center;gap:16px;
 padding:16px 18px;border-radius:var(--radius-sm);
 border:1px solid var(--line);background:var(--panel);
 transition:transform var(--dur),border-color var(--dur),background var(--dur);
}
.related-item:hover{transform:translateX(4px);border-color:var(--line-strong);background:var(--panel-2);}
.related-dot{
 width:8px;height:8px;border-radius:50%;flex-shrink:0;
 background:linear-gradient(135deg,#3d7dff,#25d0e8);box-shadow:0 0 10px rgba(37,208,232,.7);
}
.related-title{font-size:15px;color:#d6e2f7;line-height:1.6;flex:1;transition:color var(--dur);}
.related-item:hover .related-title{color:#fff;}
.related-arrow{color:var(--muted);flex-shrink:0;transition:color var(--dur),transform var(--dur);}
.related-item:hover .related-arrow{color:var(--primary-2);transform:translateX(3px);}

/* ===== FAQ ===== */
.faq-list{display:grid;gap:14px;max-width:900px;}
.faq-item{
 border-radius:var(--radius);border:1px solid var(--line);background:var(--panel);
 padding:18px 22px;transition:border-color var(--dur),background var(--dur);
}
.faq-item:hover{border-color:var(--line-strong);background:var(--panel-2);}
.faq-item summary{
 list-style:none;cursor:pointer;display:flex;align-items:center;justify-content:space-between;gap:14px;
 font-size:16px;font-weight:700;color:#fff;
}
.faq-item summary::-webkit-details-marker{display:none;}
.faq-item summary::after{
 content:"+";font-size:20px;line-height:1;color:var(--primary-2);
 transition:transform var(--dur);flex-shrink:0;
}
.faq-item[open] summary::after{content:"−";}
.faq-item p{margin-top:12px;font-size:14.5px;color:#bfcde8;line-height:1.85;}

/* ===== CTA ===== */
.cta-panel{
 position:relative;overflow:hidden;
 display:flex;align-items:center;justify-content:space-between;gap:28px;flex-wrap:wrap;
 padding:34px 36px;border-radius:18px;
 border:1px solid var(--line-strong);
 background:linear-gradient(135deg,rgba(61,125,255,.24),rgba(10,17,32,.9) 62%);
 backdrop-filter:blur(16px);-webkit-backdrop-filter:blur(16px);
 box-shadow:var(--shadow);
}
.cta-panel::after{
 content:"";position:absolute;right:-80px;bottom:-110px;width:260px;height:260px;border-radius:50%;
 background:radial-gradient(circle,rgba(37,208,232,.32),transparent 68%);pointer-events:none;
}
.cta-copy{position:relative;z-index:2;max-width:620px;}
.cta-copy h2{font-size:clamp(20px,2.4vw,26px);font-weight:800;color:#fff;line-height:1.4;}
.cta-copy p{margin-top:10px;font-size:15px;color:#b6c6e2;line-height:1.82;}
.cta-actions{position:relative;z-index:2;display:flex;gap:12px;flex-wrap:wrap;}

/* ===== Footer ===== */
.site-footer{
 margin-top:10px;
 background:rgba(6,10,20,.88);
 border-top:1px solid var(--line);
 padding:52px 0 0;
}
.footer-grid{
 display:grid;grid-template-columns:1.6fr 1fr 1fr;gap:38px;
 padding-bottom:38px;
}
.footer-brand p{margin-top:16px;max-width:380px;font-size:14px;color:var(--muted);line-height:1.85;}
.footer-col h4{font-size:15px;font-weight:800;color:#fff;margin-bottom:16px;}
.footer-list{display:grid;gap:11px;}
.footer-list a{font-size:14px;color:var(--muted);line-height:1.6;transition:color var(--dur),padding-left var(--dur);}
.footer-list a:hover{color:#fff;padding-left:4px;}
.footer-bottom{
 display:flex;align-items:center;justify-content:space-between;gap:12px;flex-wrap:wrap;
 padding:18px 0 22px;border-top:1px solid var(--line);
 font-size:13px;color:rgba(147,163,196,.85);
}

/* ===== Responsive ===== */
@media (max-width:1024px){
 .hero-grid{grid-template-columns:1fr;gap:28px;}
 .coupon{max-width:460px;}
 .grid-3{grid-template-columns:repeat(2,minmax(0,1fr));}
 .steps{grid-template-columns:repeat(2,minmax(0,1fr));}
 .footer-grid{grid-template-columns:1fr 1fr;gap:30px;}
 .footer-brand{grid-column:1 / -1;}
}
@media (max-width:980px){
 .nav-links{
  position:absolute;top:64px;left:0;right:0;
  display:none;flex-direction:column;align-items:stretch;gap:6px;
  padding:14px 20px 18px;margin:0;
  background:rgba(8,13,26,.985);
  border-bottom:1px solid var(--line);
  box-shadow:0 18px 40px rgba(0,0,0,.55);
 }
 .nav-links.is-open{display:flex;}
 .nav-link{padding:12px 14px;font-size:15px;}
 .nav-toggle{display:inline-flex;}
 .nav-wrap{height:64px;}
}
@media (max-width:768px){
 .section{padding:46px 0;}
 .article-hero{padding:22px 0 44px;}
 .article-body{padding:24px 20px 18px;}
 .article-body h2{font-size:20px;}
 .grid-3,.grid-2,.steps{grid-template-columns:1fr;}
 .nav-search{display:none;}
 .cta-panel{padding:26px 22px;}
 .body-figure img{height:200px;}
}
@media (max-width:520px){
 .container{padding:0 16px;}
 .logo-text{font-size:15px;}
 .nav-actions .btn-sm{display:none;}
 .article-title{font-size:26px;}
 .coupon-title{font-size:22px;}
 .related-item{padding:14px 15px;gap:12px;}
 .footer-grid{grid-template-columns:1fr;}
 .footer-bottom{justify-content:flex-start;}
 .cta-actions{width:100%;}
 .cta-actions .btn{flex:1;}
}

/* roulang page: category2 */
:root{
 --bg:#060a14;
 --bg-soft:#0a1120;
 --panel:rgba(255,255,255,.055);
 --panel-2:rgba(255,255,255,.085);
 --line:rgba(122,168,255,.16);
 --line-strong:rgba(122,168,255,.42);
 --text:#e9eefc;
 --muted:#93a3c4;
 --primary:#3d7dff;
 --primary-2:#25d0e8;
 --warn:#ffcb6b;
 --radius:14px;
 --radius-sm:10px;
 --shadow:0 12px 34px rgba(0,0,0,.36);
 --shadow-hover:0 20px 46px rgba(0,0,0,.52);
 --glow:0 8px 26px rgba(61,125,255,.42);
 --dur:.22s;
}
*,*::before,*::after{box-sizing:border-box;}
html{-webkit-text-size-adjust:100%;scroll-behavior:smooth;scroll-padding-top:88px;}
body{
 margin:0;
 font-family:"PingFang SC","Hiragino Sans GB","Microsoft YaHei","Helvetica Neue",Arial,sans-serif;
 font-size:16px;
 line-height:1.78;
 color:var(--text);
 background-color:var(--bg);
 background-image:
 radial-gradient(900px 520px at 12% -8%, rgba(61,125,255,.26), transparent 62%),
 radial-gradient(760px 480px at 92% 4%, rgba(37,208,232,.15), transparent 58%),
 radial-gradient(900px 620px at 50% 118%, rgba(61,125,255,.17), transparent 64%);
 background-repeat:no-repeat;
 -webkit-font-smoothing:antialiased;
 overflow-x:hidden;
}
h1,h2,h3,h4,p,figure{margin:0;}
ul,ol{margin:0;padding:0;list-style:none;}
img{max-width:100%;display:block;border:0;}
a{color:inherit;text-decoration:none;}
button{font-family:inherit;}
input,button,select,textarea{font-family:inherit;font-size:inherit;}
:focus-visible{outline:2px solid var(--primary-2);outline-offset:3px;border-radius:6px;}
.container{width:100%;max-width:1200px;margin:0 auto;padding:0 20px;}
.btn{
 display:inline-flex;align-items:center;justify-content:center;gap:8px;
 padding:12px 24px;border-radius:10px;border:1px solid transparent;
 font-size:15px;font-weight:700;cursor:pointer;line-height:1.4;
 transition:transform var(--dur) ease,box-shadow var(--dur) ease,background var(--dur) ease,color var(--dur) ease,border-color var(--dur) ease;
 white-space:nowrap;
}
.btn-primary{
 background:linear-gradient(135deg,#3d7dff 0%,#25d0e8 100%);
 color:#04101f;
 box-shadow:var(--glow),inset 0 0 0 1px rgba(255,255,255,.28);
}
.btn-primary:hover{transform:translateY(-2px);box-shadow:0 14px 34px rgba(61,125,255,.6),inset 0 0 0 1px rgba(255,255,255,.4);}
.btn-primary:active{transform:translateY(0);box-shadow:0 6px 18px rgba(61,125,255,.4);}
.btn-ghost{
 background:rgba(255,255,255,.04);
 color:var(--text);
 border-color:var(--line-strong);
}
.btn-ghost:hover{transform:translateY(-2px);background:rgba(61,125,255,.16);border-color:var(--primary);}
.btn-sm{padding:9px 18px;font-size:14px;border-radius:9px;}
/* ===== Header ===== */
.site-header{
 position:sticky;top:0;z-index:80;
 background:rgba(8,13,26,.8);
 backdrop-filter:blur(16px);
 -webkit-backdrop-filter:blur(16px);
 border-bottom:1px solid var(--line);
 transition:box-shadow var(--dur) ease,background var(--dur) ease;
}
.site-header.is-scrolled{background:rgba(7,11,23,.94);box-shadow:0 10px 28px rgba(0,0,0,.5);}
.nav-wrap{display:flex;align-items:center;height:64px;gap:16px;position:relative;}
.logo{display:inline-flex;align-items:center;gap:10px;flex-shrink:0;}
.logo-mark{
 width:36px;height:36px;border-radius:11px;display:inline-flex;align-items:center;justify-content:center;
 background:linear-gradient(140deg,rgba(61,125,255,.95),rgba(37,208,232,.85));
 color:#04101f;box-shadow:0 6px 18px rgba(61,125,255,.45);
}
.logo-text{font-size:17px;font-weight:800;letter-spacing:.4px;color:#fff;white-space:nowrap;}
.nav-links{display:flex;align-items:center;gap:4px;margin-left:auto;margin-right:6px;}
.nav-link{
 position:relative;padding:8px 14px;border-radius:10px;
 font-size:15px;color:var(--muted);
 transition:color var(--dur),background var(--dur),box-shadow var(--dur);
 white-space:nowrap;
}
.nav-link:hover{color:#fff;background:rgba(255,255,255,.07);}
.nav-link.is-active{color:#fff;background:rgba(61,125,255,.18);box-shadow:inset 0 0 0 1px rgba(61,125,255,.5);}
.nav-actions{display:flex;align-items:center;gap:10px;}
.nav-search input{
 width:172px;padding:9px 14px;border-radius:10px;
 border:1px solid var(--line);background:rgba(255,255,255,.05);
 color:#fff;font-size:14px;outline:none;
 transition:border-color var(--dur),box-shadow var(--dur);
}
.nav-search input::placeholder{color:rgba(147,163,196,.8);}
.nav-search input:focus{border-color:var(--line-strong);box-shadow:0 0 0 3px rgba(61,125,255,.22);}
.nav-toggle{
 display:none;align-items:center;justify-content:center;
 width:42px;height:42px;border-radius:11px;cursor:pointer;
 border:1px solid var(--line);background:rgba(255,255,255,.05);color:#fff;
}
/* ===== Hero ===== */
.hero{position:relative;padding:64px 0 60px;overflow:hidden;}
.hero-bg{position:absolute;inset:0;background-size:cover;background-position:center;opacity:.3;}
.hero-bg::after{
 content:"";position:absolute;inset:0;
 background:linear-gradient(180deg,rgba(6,10,20,.66) 0%,rgba(6,10,20,.88) 58%,rgba(6,10,20,.99) 100%);
}
.hero-inner{
 position:relative;z-index:2;
 display:grid;grid-template-columns:1.05fr .95fr;gap:44px;align-items:center;
}
.hero-eyebrow{
 display:inline-flex;align-items:center;gap:8px;
 padding:6px 16px;border-radius:999px;font-size:13px;letter-spacing:.6px;
 color:#bcd4ff;background:rgba(61,125,255,.14);border:1px solid rgba(61,125,255,.38);
}
.hero-eyebrow i{width:6px;height:6px;border-radius:50%;background:var(--primary-2);box-shadow:0 0 10px var(--primary-2);display:inline-block;}
.hero h1{
 margin:20px 0 0;
 font-size:clamp(27px,3.4vw,40px);line-height:1.28;font-weight:800;
 background:linear-gradient(120deg,#ffffff 32%,#a9c8ff 76%,#7fe6f5 100%);
 -webkit-background-clip:text;background-clip:text;color:transparent;
}
.hero-sub{margin:18px 0 0;color:#b3c2dd;font-size:15.5px;line-height:1.85;max-width:620px;}
.chips{display:flex;flex-wrap:wrap;gap:10px;margin-top:22px;}
.chip{
 display:inline-flex;align-items:center;gap:6px;
 padding:7px 15px;border-radius:999px;font-size:13px;
 color:#c4d6f5;background:rgba(255,255,255,.06);
 border:1px solid var(--line);transition:border-color var(--dur),color var(--dur),background var(--dur);
}
.chip:hover{border-color:var(--line-strong);color:#fff;background:rgba(61,125,255,.14);}
.hero-actions{display:flex;flex-wrap:wrap;gap:12px;margin-top:26px;}
/* console panel */
.console{
 border-radius:16px;overflow:hidden;
 border:1px solid var(--line-strong);
 background:linear-gradient(165deg,rgba(11,19,36,.94),rgba(7,12,24,.92));
 backdrop-filter:blur(16px);-webkit-backdrop-filter:blur(16px);
 box-shadow:var(--shadow),0 0 48px rgba(61,125,255,.2);
}
.console-bar{
 display:flex;align-items:center;gap:8px;
 padding:13px 18px;border-bottom:1px solid var(--line);
 background:rgba(255,255,255,.04);
}
.console-bar .dot{width:9px;height:9px;border-radius:50%;display:inline-block;}
.dot.d1{background:#ff6b6b;}
.dot.d2{background:var(--warn);}
.dot.d3{background:var(--primary-2);}
.console-title{margin-left:8px;font-size:13px;letter-spacing:.8px;color:var(--muted);}
.console-body{padding:20px 20px 8px;}
.console-line{
 display:flex;flex-wrap:wrap;gap:10px;align-items:baseline;
 font-family:ui-monospace,SFMono-Regular,Menlo,Consolas,monospace;
 font-size:13.5px;line-height:1.9;margin:0 0 10px;
}
.console-line .k{color:#7fe6f5;flex-shrink:0;}
.console-line .k::after{content:"→";margin-left:8px;color:rgba(147,163,196,.7);}
.console-line .v{color:#dbe6ff;}
.console-foot{
 display:flex;flex-wrap:wrap;gap:10px;
 padding:16px 20px 20px;margin-top:8px;border-top:1px solid var(--line);
}
/* ===== Sections ===== */
.section{padding:70px 0;position:relative;}
.section--alt{
 background:linear-gradient(180deg,rgba(255,255,255,.028),rgba(255,255,255,.008));
 border-top:1px solid var(--line);border-bottom:1px solid var(--line);
}
.sec-head{max-width:760px;margin-bottom:36px;}
.sec-head.center{margin-left:auto;margin-right:auto;text-align:center;}
.sec-kicker{
 display:inline-flex;align-items:center;gap:9px;
 font-size:13px;letter-spacing:1.2px;color:#8fb3ff;margin-bottom:12px;
}
.sec-kicker::before{
 content:"";width:22px;height:2px;border-radius:2px;
 background:linear-gradient(90deg,var(--primary),var(--primary-2));
}
.sec-head.center .sec-kicker::after{
 content:"";width:22px;height:2px;border-radius:2px;
 background:linear-gradient(90deg,var(--primary-2),var(--primary));
}
.sec-head h2{font-size:clamp(22px,2.4vw,29px);line-height:1.36;font-weight:800;color:#fff;}
.sec-head p{margin-top:12px;color:var(--muted);font-size:15px;line-height:1.85;}
.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));}
/* glass card */
.card{
 position:relative;
 border-radius:var(--radius);padding:26px 24px;
 border:1px solid var(--line);
 background:linear-gradient(160deg,rgba(255,255,255,.075),rgba(255,255,255,.028));
 backdrop-filter:blur(12px);-webkit-backdrop-filter:blur(12px);
 box-shadow:var(--shadow);
 transition:transform var(--dur) ease,box-shadow var(--dur) ease,border-color var(--dur) ease,background var(--dur) ease;
}
.card:hover{transform:translateY(-4px);box-shadow:var(--shadow-hover);border-color:var(--line-strong);background:linear-gradient(160deg,rgba(255,255,255,.1),rgba(61,125,255,.07));}
.card-ico{
 width:44px;height:44px;border-radius:12px;display:inline-flex;align-items:center;justify-content:center;
 color:#9fd8ff;background:rgba(61,125,255,.16);border:1px solid rgba(61,125,255,.36);
 margin-bottom:16px;
}
.card h3{font-size:18px;font-weight:800;color:#fff;line-height:1.5;}
.card p{margin-top:10px;color:var(--muted);font-size:14.5px;line-height:1.8;}
.card .tags{display:flex;flex-wrap:wrap;gap:8px;margin-top:16px;}
.tag{
 font-size:12.5px;padding:4px 11px;border-radius:999px;
 color:#a8c3ee;background:rgba(255,255,255,.055);border:1px solid var(--line);
}
/* contrast block */
.compare{display:grid;grid-template-columns:1fr 1fr;gap:22px;align-items:stretch;}
.compare .card{padding:28px 26px;}
.card--mis{border-color:rgba(255,120,120,.28);background:linear-gradient(160deg,rgba(255,110,110,.09),rgba(255,255,255,.026));}
.card--fix{border-color:rgba(37,208,232,.36);background:linear-gradient(160deg,rgba(37,208,232,.12),rgba(61,125,255,.07));}
.card-label{
 display:inline-block;font-size:12.5px;letter-spacing:1px;padding:4px 12px;border-radius:999px;
 margin-bottom:14px;border:1px solid var(--line-strong);color:#cfe0ff;background:rgba(255,255,255,.05);
}
.card--mis .card-label{color:#ffc9c9;border-color:rgba(255,120,120,.4);}
.card--fix .card-label{color:#a9f4ff;border-color:rgba(37,208,232,.45);}
.media-figure{
 margin-top:26px;border-radius:var(--radius);overflow:hidden;
 border:1px solid var(--line);box-shadow:var(--shadow);
}
.media-figure img{width:100%;aspect-ratio:16/8;object-fit:cover;transition:transform .5s ease;}
.media-figure:hover img{transform:scale(1.03);}
.media-figure figcaption{
 font-size:13px;color:var(--muted);padding:12px 18px;background:rgba(255,255,255,.035);
 border-top:1px solid var(--line);
}
/* flow */
.flow{display:grid;grid-template-columns:repeat(4,minmax(0,1fr));gap:18px;counter-reset:step;}
.flow-item{
 position:relative;padding:26px 22px 24px;border-radius:var(--radius);
 border:1px solid var(--line);background:rgba(255,255,255,.04);
 transition:transform var(--dur),border-color var(--dur),background var(--dur),box-shadow var(--dur);
}
.flow-item:hover{transform:translateY(-4px);border-color:var(--line-strong);background:rgba(61,125,255,.09);box-shadow:var(--shadow-hover);}
.flow-num{
 display:inline-flex;align-items:center;justify-content:center;
 width:38px;height:38px;border-radius:11px;margin-bottom:14px;
 font-size:15px;font-weight:800;color:#04101f;
 background:linear-gradient(140deg,#3d7dff,#25d0e8);
 box-shadow:0 6px 18px rgba(61,125,255,.4);
}
.flow-item h3{font-size:16.5px;font-weight:800;color:#fff;}
.flow-item p{margin-top:9px;font-size:14px;color:var(--muted);line-height:1.8;}
/* pattern list */
.pattern-grid{display:grid;grid-template-columns:repeat(3,minmax(0,1fr));gap:18px;}
.pattern{
 display:flex;gap:14px;align-items:flex-start;
 padding:20px 22px;border-radius:var(--radius-sm);
 border:1px solid var(--line);background:rgba(255,255,255,.04);
 transition:border-color var(--dur),background var(--dur),transform var(--dur);
}
.pattern:hover{border-color:var(--line-strong);background:rgba(61,125,255,.1);transform:translateY(-3px);}
.pattern b{display:block;font-size:15.5px;color:#fff;font-weight:800;}
.pattern span{display:block;margin-top:6px;font-size:13.5px;color:var(--muted);line-height:1.75;}
.pattern-ico{
 flex-shrink:0;width:34px;height:34px;border-radius:10px;display:inline-flex;align-items:center;justify-content:center;
 color:#8fd9ff;background:rgba(37,208,232,.13);border:1px solid rgba(37,208,232,.32);
}
/* stats */
.stats{display:grid;grid-template-columns:repeat(4,minmax(0,1fr));gap:18px;}
.stat{
 padding:26px 22px;border-radius:var(--radius);text-align:left;
 border:1px solid var(--line);
 background:linear-gradient(155deg,rgba(61,125,255,.16),rgba(255,255,255,.03));
 backdrop-filter:blur(12px);-webkit-backdrop-filter:blur(12px);
 transition:transform var(--dur),box-shadow var(--dur),border-color var(--dur);
}
.stat:hover{transform:translateY(-4px);box-shadow:var(--shadow-hover);border-color:var(--line-strong);}
.stat-num{
 font-size:clamp(26px,3vw,34px);font-weight:800;line-height:1.2;
 background:linear-gradient(120deg,#ffffff,#7fe6f5);
 -webkit-background-clip:text;background-clip:text;color:transparent;
}
.stat-label{margin-top:8px;font-size:14px;color:#b9caea;}
.stat-note{margin-top:6px;font-size:12.5px;color:rgba(147,163,196,.85);}
/* audience */
.aud{display:grid;grid-template-columns:repeat(3,minmax(0,1fr));gap:20px;}
.aud .card{display:flex;flex-direction:column;}
.aud .card p{flex:1;}
.aud-meta{margin-top:16px;font-size:13px;color:#8fd9ff;letter-spacing:.4px;}
/* news */
.news-grid{display:grid;grid-template-columns:repeat(3,minmax(0,1fr));gap:22px;}
.news-card{
 display:flex;flex-direction:column;overflow:hidden;
 border-radius:var(--radius);border:1px solid var(--line);
 background:linear-gradient(165deg,rgba(255,255,255,.07),rgba(255,255,255,.026));
 transition:transform var(--dur),box-shadow var(--dur),border-color var(--dur);
}
.news-card:hover{transform:translateY(-4px);box-shadow:var(--shadow-hover);border-color:var(--line-strong);}
.news-thumb{position:relative;overflow:hidden;background:rgba(61,125,255,.1);}
.news-thumb img{width:100%;aspect-ratio:16/9;object-fit:cover;transition:transform .5s ease;}
.news-card:hover .news-thumb img{transform:scale(1.04);}
.news-body{padding:20px 22px 22px;display:flex;flex-direction:column;flex:1;}
.news-meta{display:flex;flex-wrap:wrap;gap:10px;font-size:12.5px;color:#8fa6cc;margin-bottom:10px;}
.news-meta .pill{
 padding:2px 10px;border-radius:999px;color:#a9f4ff;
 background:rgba(37,208,232,.12);border:1px solid rgba(37,208,232,.28);
}
.news-body h3{font-size:16.5px;line-height:1.6;font-weight:800;color:#fff;}
.news-body p{margin-top:9px;font-size:14px;color:var(--muted);line-height:1.78;flex:1;}
.news-link{
 margin-top:16px;font-size:13.5px;color:#8fd9ff;font-weight:700;
 display:inline-flex;align-items:center;gap:6px;
 transition:gap var(--dur),color var(--dur);
}
.news-link:hover{gap:11px;color:#fff;}
.empty-state{
 padding:44px 26px;text-align:center;border-radius:var(--radius);
 border:1px dashed var(--line-strong);background:rgba(255,255,255,.03);
 color:var(--muted);font-size:14.5px;
}
/* faq */
.faq{display:grid;gap:14px;max-width:900px;margin:0 auto;}
.faq-item{
 border-radius:var(--radius-sm);border:1px solid var(--line);
 background:rgba(255,255,255,.04);overflow:hidden;
 transition:border-color var(--dur),background var(--dur);
}
.faq-item:hover{border-color:var(--line-strong);background:rgba(61,125,255,.07);}
.faq-item summary{
 list-style:none;cursor:pointer;padding:19px 54px 19px 22px;position:relative;
 font-size:15.5px;font-weight:700;color:#fff;line-height:1.65;
}
.faq-item summary::-webkit-details-marker{display:none;}
.faq-item summary::after{
 content:"+";position:absolute;right:20px;top:50%;transform:translateY(-50%);
 font-size:20px;font-weight:400;color:#8fd9ff;transition:transform var(--dur),color var(--dur);
}
.faq-item[open] summary::after{content:"–";color:var(--primary-2);}
.faq-item .faq-body{padding:0 22px 20px;color:var(--muted);font-size:14.5px;line-height:1.85;}
/* cta */
.cta-band{
 position:relative;overflow:hidden;
 border-radius:20px;padding:46px 40px;
 border:1px solid var(--line-strong);
 background:linear-gradient(130deg,rgba(61,125,255,.24),rgba(37,208,232,.12) 62%,rgba(255,255,255,.03));
 box-shadow:var(--shadow),0 0 60px rgba(61,125,255,.22);
 display:flex;align-items:center;justify-content:space-between;gap:28px;flex-wrap:wrap;
}
.cta-band h2{font-size:clamp(21px,2.3vw,27px);font-weight:800;color:#fff;line-height:1.4;}
.cta-band p{margin-top:10px;color:#c2d3f0;font-size:14.5px;max-width:640px;line-height:1.8;}
.cta-actions{display:flex;flex-wrap:wrap;gap:12px;}
/* footer */
.site-footer{
 margin-top:0;padding:56px 0 0;
 border-top:1px solid var(--line);
 background:linear-gradient(180deg,rgba(6,10,20,.4),rgba(4,8,16,.9));
}
.footer-grid{display:grid;grid-template-columns:1.5fr 1fr 1.1fr;gap:36px;padding-bottom:38px;}
.footer-brand p{margin-top:16px;color:var(--muted);font-size:14px;line-height:1.85;max-width:420px;}
.footer-col h4{font-size:15px;font-weight:800;color:#fff;margin-bottom:16px;letter-spacing:.4px;}
.footer-list li{margin-bottom:10px;}
.footer-list a{
 color:var(--muted);font-size:14px;transition:color var(--dur),padding-left var(--dur);
 display:inline-block;
}
.footer-list a:hover{color:#8fd9ff;padding-left:4px;}
.footer-bottom{
 display:flex;flex-wrap:wrap;gap:12px;justify-content:space-between;align-items:center;
 padding:20px 0 26px;border-top:1px solid var(--line);
 font-size:13px;color:rgba(147,163,196,.85);
}
/* responsive */
@media (max-width:1024px){
 .nav-search{display:none;}
 .hero-inner{grid-template-columns:1fr;gap:34px;}
 .hero h1{font-size:clamp(25px,4.4vw,34px);}
 .flow{grid-template-columns:repeat(2,minmax(0,1fr));}
 .pattern-grid{grid-template-columns:repeat(2,minmax(0,1fr));}
 .stats{grid-template-columns:repeat(2,minmax(0,1fr));}
 .news-grid{grid-template-columns:repeat(2,minmax(0,1fr));}
 .aud{grid-template-columns:repeat(2,minmax(0,1fr));}
 .grid-4{grid-template-columns:repeat(2,minmax(0,1fr));}
 .footer-grid{grid-template-columns:1fr 1fr;gap:28px;}
}
@media (max-width:880px){
 .nav-toggle{display:inline-flex;}
 .nav-links{
  position:absolute;top:64px;left:12px;right:12px;
  flex-direction:column;align-items:stretch;gap:6px;
  padding:14px;border-radius:14px;
  background:rgba(9,14,28,.98);
  border:1px solid var(--line-strong);
  box-shadow:0 24px 48px rgba(0,0,0,.6);
  display:none;
 }
 .nav-links.is-open{display:flex;}
 .nav-link{padding:12px 14px;font-size:15px;min-height:44px;display:flex;align-items:center;}
 .nav-actions{margin-left:auto;}
 .compare{grid-template-columns:1fr;}
 .grid-2,.grid-3{grid-template-columns:1fr;}
 .section{padding:56px 0;}
 .hero{padding:48px 0 52px;}
}
@media (max-width:560px){
 .container{padding:0 16px;}
 .logo-text{font-size:15px;}
 .grid-4,.flow,.pattern-grid,.stats,.news-grid,.aud{grid-template-columns:1fr;}
 .footer-grid{grid-template-columns:1fr;}
 .cta-band{padding:32px 22px;}
 .btn{width:100%;}
 .hero-actions .btn,.console-foot .btn,.cta-actions .btn{width:100%;}
 .chip{font-size:12.5px;padding:6px 12px;}
 .card{padding:22px 20px;}
 .footer-bottom{flex-direction:column;align-items:flex-start;}
}

/* roulang page: category3 */
:root{
 --bg:#060a14;
 --bg-soft:#0a1120;
 --panel:rgba(255,255,255,.055);
 --panel-2:rgba(255,255,255,.085);
 --line:rgba(122,168,255,.16);
 --line-strong:rgba(122,168,255,.42);
 --text:#e9eefc;
 --muted:#93a3c4;
 --primary:#3d7dff;
 --primary-2:#25d0e8;
 --warn:#ffcb6b;
 --radius:14px;
 --radius-sm:10px;
 --shadow:0 12px 34px rgba(0,0,0,.36);
 --shadow-hover:0 20px 46px rgba(0,0,0,.52);
 --glow:0 8px 26px rgba(61,125,255,.42);
 --dur:.22s;
}
*,*::before,*::after{box-sizing:border-box;}
html{-webkit-text-size-adjust:100%;scroll-behavior:smooth;scroll-padding-top:84px;}
body{
 margin:0;
 font-family:"PingFang SC","Hiragino Sans GB","Microsoft YaHei","Helvetica Neue",Arial,sans-serif;
 font-size:16px;line-height:1.78;color:var(--text);
 background-color:var(--bg);
 background-image:
 radial-gradient(900px 520px at 12% -8%, rgba(61,125,255,.26), transparent 62%),
 radial-gradient(760px 480px at 92% 4%, rgba(37,208,232,.15), transparent 58%),
 radial-gradient(900px 620px at 50% 118%, rgba(61,125,255,.17), transparent 64%);
 background-repeat:no-repeat;
 -webkit-font-smoothing:antialiased;
 overflow-x:hidden;
}
img{max-width:100%;display:block;border:0;height:auto;}
a{color:inherit;text-decoration:none;}
p{margin:0 0 1em;}
p:last-child{margin-bottom:0;}
button{font-family:inherit;}
input,button,select,textarea{font-family:inherit;font-size:inherit;}
h1,h2,h3,h4{margin:0;line-height:1.35;font-weight:800;color:#fff;}
.container{width:100%;max-width:1200px;margin:0 auto;padding:0 20px;}
.btn{
 display:inline-flex;align-items:center;justify-content:center;gap:8px;
 padding:12px 24px;border-radius:10px;border:1px solid transparent;
 font-size:15px;font-weight:700;cursor:pointer;text-align:center;
 transition:transform var(--dur) ease,box-shadow var(--dur) ease,background var(--dur) ease,color var(--dur) ease,border-color var(--dur) ease;
}
.btn-primary{
 background:linear-gradient(135deg,#3d7dff 0%,#25d0e8 100%);
 color:#04101f;
 box-shadow:var(--glow),inset 0 0 0 1px rgba(255,255,255,.28);
}
.btn-primary:hover{transform:translateY(-2px);box-shadow:0 14px 34px rgba(61,125,255,.6),inset 0 0 0 1px rgba(255,255,255,.4);color:#04101f;}
.btn-primary:active{transform:translateY(0);box-shadow:0 6px 18px rgba(61,125,255,.4);}
.btn-ghost{
 background:rgba(255,255,255,.04);color:var(--text);border-color:var(--line-strong);
}
.btn-ghost:hover{transform:translateY(-2px);background:rgba(61,125,255,.16);border-color:var(--primary);color:#fff;}
.btn-sm{padding:9px 18px;font-size:14px;border-radius:9px;}
.btn:focus-visible,a:focus-visible,summary:focus-visible,.nav-toggle:focus-visible{outline:2px solid var(--primary-2);outline-offset:3px;}
/* ===== Header ===== */
.site-header{
 position:sticky;top:0;z-index:80;
 background:rgba(8,13,26,.8);
 backdrop-filter:blur(16px);-webkit-backdrop-filter:blur(16px);
 border-bottom:1px solid var(--line);
 transition:box-shadow var(--dur) ease,background var(--dur) ease;
}
.site-header.is-scrolled{background:rgba(7,11,23,.94);box-shadow:0 10px 28px rgba(0,0,0,.5);}
.nav-wrap{display:flex;align-items:center;height:64px;gap:16px;position:relative;}
.logo{display:inline-flex;align-items:center;gap:10px;flex-shrink:0;}
.logo-mark{
 width:36px;height:36px;border-radius:11px;display:inline-flex;align-items:center;justify-content:center;
 background:linear-gradient(140deg,rgba(61,125,255,.95),rgba(37,208,232,.85));
 color:#04101f;box-shadow:0 6px 18px rgba(61,125,255,.45);flex-shrink:0;
}
.logo-text{font-size:17px;font-weight:800;letter-spacing:.4px;color:#fff;white-space:nowrap;}
.nav-links{display:flex;align-items:center;gap:4px;margin-left:auto;margin-right:6px;}
.nav-link{
 position:relative;padding:8px 14px;border-radius:10px;font-size:15px;color:var(--muted);
 transition:color var(--dur),background var(--dur),box-shadow var(--dur);white-space:nowrap;
}
.nav-link:hover{color:#fff;background:rgba(255,255,255,.07);}
.nav-link.is-active{color:#fff;background:rgba(61,125,255,.18);box-shadow:inset 0 0 0 1px rgba(61,125,255,.5);}
.nav-actions{display:flex;align-items:center;gap:10px;}
.nav-search input{
 width:172px;padding:9px 14px;border-radius:10px;border:1px solid var(--line);
 background:rgba(255,255,255,.05);color:#fff;font-size:14px;outline:none;margin:0;
 transition:border-color var(--dur),box-shadow var(--dur);
}
.nav-search input::placeholder{color:rgba(147,163,196,.8);}
.nav-search input:focus{border-color:var(--line-strong);box-shadow:0 0 0 3px rgba(61,125,255,.22);background:rgba(255,255,255,.07);}
.nav-toggle{
 display:none;align-items:center;justify-content:center;width:42px;height:42px;border-radius:11px;
 cursor:pointer;border:1px solid var(--line);background:rgba(255,255,255,.05);color:#fff;padding:0;
}
/* ===== Category Hero ===== */
.cat-hero{position:relative;overflow:hidden;padding:64px 0 60px;border-bottom:1px solid rgba(122,168,255,.12);}
.cat-hero-bg{position:absolute;inset:0;background-size:cover;background-position:center;opacity:.3;}
.cat-hero-bg::after{
 content:"";position:absolute;inset:0;
 background:linear-gradient(115deg,rgba(6,10,20,.96) 0%,rgba(6,10,20,.86) 48%,rgba(6,10,20,.66) 100%);
}
.cat-hero-inner{position:relative;z-index:2;display:grid;grid-template-columns:1.06fr .94fr;gap:52px;align-items:center;}
.eyebrow{
 display:inline-flex;align-items:center;gap:8px;padding:6px 16px;border-radius:999px;
 font-size:13px;letter-spacing:.6px;color:#bcd4ff;background:rgba(61,125,255,.14);
 border:1px solid rgba(61,125,255,.38);
}
.eyebrow i{width:6px;height:6px;border-radius:50%;background:var(--primary-2);box-shadow:0 0 10px var(--primary-2);display:inline-block;}
.cat-hero h1{
 margin:20px 0 0;font-size:clamp(27px,3.4vw,42px);line-height:1.26;
 background:linear-gradient(120deg,#ffffff 32%,#a9c8ff 78%,#7fe6f5 100%);
 -webkit-background-clip:text;background-clip:text;color:transparent;
}
.cat-hero .lead{margin:18px 0 0;color:#b3c2dd;font-size:16px;line-height:1.85;max-width:560px;}
.tag-row{display:flex;flex-wrap:wrap;gap:10px;margin-top:22px;}
.tag{
 display:inline-flex;align-items:center;gap:6px;padding:7px 15px;border-radius:999px;
 font-size:13px;color:#c6d6f3;background:rgba(255,255,255,.05);
 border:1px solid var(--line);transition:border-color var(--dur),color var(--dur),background var(--dur);
}
.tag:hover{border-color:var(--line-strong);color:#fff;background:rgba(61,125,255,.16);}
.hero-btns{display:flex;flex-wrap:wrap;gap:12px;margin-top:28px;}
.hero-figure{position:relative;}
.hero-figure img{
 width:100%;border-radius:18px;border:1px solid var(--line-strong);
 box-shadow:0 26px 60px rgba(0,0,0,.6);object-fit:cover;aspect-ratio:4/3;
}
.hero-float{
 position:absolute;left:-18px;bottom:-22px;min-width:220px;padding:16px 18px;
 border-radius:14px;border:1px solid var(--line-strong);
 background:rgba(10,17,32,.82);backdrop-filter:blur(16px);-webkit-backdrop-filter:blur(16px);
 box-shadow:0 18px 40px rgba(0,0,0,.55);
}
.hero-float b{display:block;font-size:22px;color:#fff;letter-spacing:.5px;}
.hero-float span{display:block;font-size:13px;color:var(--muted);margin-top:4px;}
/* ===== Section ===== */
.section{padding:72px 0;position:relative;}
.section--alt{
 background:linear-gradient(180deg,rgba(10,17,32,.92),rgba(6,10,20,.55));
 border-top:1px solid rgba(122,168,255,.1);border-bottom:1px solid rgba(122,168,255,.1);
}
.section-head{max-width:780px;margin-bottom:34px;}
.kicker{
 display:inline-flex;align-items:center;gap:9px;font-size:13px;letter-spacing:1.4px;
 color:#8fb4ff;text-transform:uppercase;
}
.kicker::before{content:"";width:22px;height:2px;border-radius:2px;background:linear-gradient(90deg,var(--primary),var(--primary-2));}
.section-head h2{font-size:clamp(22px,2.6vw,31px);margin:12px 0 10px;}
.section-head p{color:var(--muted);margin:0;font-size:15.5px;}
/* cards */
.card-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:20px;}
.card-grid--4{grid-template-columns:repeat(4,1fr);}
.card{
 position:relative;padding:26px 24px;border-radius:var(--radius);
 background:var(--panel);border:1px solid var(--line);
 backdrop-filter:blur(12px);-webkit-backdrop-filter:blur(12px);
 box-shadow:var(--shadow);
 transition:transform var(--dur) ease,box-shadow var(--dur) ease,border-color var(--dur) ease,background var(--dur) ease;
}
.card:hover{transform:translateY(-4px);box-shadow:var(--shadow-hover);border-color:var(--line-strong);background:var(--panel-2);}
.card .ico{
 width:44px;height:44px;border-radius:12px;display:inline-flex;align-items:center;justify-content:center;
 background:rgba(61,125,255,.16);border:1px solid rgba(61,125,255,.4);color:#9dc0ff;margin-bottom:16px;
}
.card h3{font-size:18px;margin-bottom:10px;}
.card p{color:var(--muted);font-size:14.6px;line-height:1.8;margin:0;}
.card .tagline{
 display:inline-block;margin-top:16px;font-size:12.5px;letter-spacing:.4px;color:#9dc0ff;
 padding:4px 12px;border-radius:999px;background:rgba(61,125,255,.14);border:1px solid rgba(61,125,255,.3);
}
/* scene cards with image */
.scene-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:20px;}
.scene{
 overflow:hidden;border-radius:var(--radius);border:1px solid var(--line);background:var(--panel);
 box-shadow:var(--shadow);transition:transform var(--dur) ease,box-shadow var(--dur) ease,border-color var(--dur) ease;
}
.scene:hover{transform:translateY(-4px);box-shadow:var(--shadow-hover);border-color:var(--line-strong);}
.scene-img{position:relative;overflow:hidden;}
.scene-img img{width:100%;aspect-ratio:16/10;object-fit:cover;transition:transform .35s ease;}
.scene:hover .scene-img img{transform:scale(1.045);}
.scene-img::after{content:"";position:absolute;inset:0;background:linear-gradient(180deg,rgba(6,10,20,0) 40%,rgba(6,10,20,.72) 100%);}
.scene-body{padding:20px 22px 24px;}
.scene-body h3{font-size:17px;margin-bottom:9px;}
.scene-body p{color:var(--muted);font-size:14.4px;line-height:1.8;margin:0;}
/* steps */
.steps{display:grid;grid-template-columns:repeat(3,1fr);gap:20px;counter-reset:step;}
.step{
 position:relative;padding:28px 24px 26px;border-radius:var(--radius);
 background:linear-gradient(160deg,rgba(61,125,255,.14),rgba(255,255,255,.045));
 border:1px solid var(--line);box-shadow:var(--shadow);
 transition:transform var(--dur) ease,box-shadow var(--dur) ease,border-color var(--dur) ease;
}
.step:hover{transform:translateY(-4px);box-shadow:var(--shadow-hover);border-color:var(--line-strong);}
.step .num{
 display:inline-flex;align-items:center;justify-content:center;width:38px;height:38px;border-radius:11px;
 font-size:16px;font-weight:800;color:#04101f;
 background:linear-gradient(135deg,#3d7dff,#25d0e8);box-shadow:var(--glow);margin-bottom:16px;
}
.step h3{font-size:17px;margin-bottom:9px;}
.step p{color:var(--muted);font-size:14.5px;line-height:1.8;margin:0;}
/* stats */
.stats{display:grid;grid-template-columns:repeat(4,1fr);gap:18px;}
.stat{
 padding:26px 22px;border-radius:var(--radius);text-align:left;
 background:var(--panel);border:1px solid var(--line);box-shadow:var(--shadow);
 transition:transform var(--dur) ease,border-color var(--dur) ease,box-shadow var(--dur) ease;
}
.stat:hover{transform:translateY(-3px);border-color:var(--line-strong);box-shadow:var(--shadow-hover);}
.stat b{
 display:block;font-size:clamp(26px,3vw,34px);line-height:1.15;
 background:linear-gradient(120deg,#ffffff,#7fe6f5);-webkit-background-clip:text;background-clip:text;color:transparent;
}
.stat span{display:block;margin-top:8px;font-size:14px;color:var(--muted);}
/* quotes */
.quotes{display:grid;grid-template-columns:repeat(3,1fr);gap:20px;}
.quote{
 padding:26px 24px;border-radius:var(--radius);background:var(--panel);border:1px solid var(--line);
 box-shadow:var(--shadow);transition:transform var(--dur) ease,border-color var(--dur) ease,box-shadow var(--dur) ease;
}
.quote:hover{transform:translateY(-4px);border-color:var(--line-strong);box-shadow:var(--shadow-hover);}
.quote p{color:#c9d6ef;font-size:15px;line-height:1.85;margin:0 0 18px;}
.quote .who{display:flex;align-items:center;gap:10px;font-size:13.5px;color:var(--muted);}
.quote .dot{width:8px;height:8px;border-radius:50%;background:var(--primary-2);box-shadow:0 0 10px rgba(37,208,232,.8);}
/* faq */
.faq-list{display:grid;gap:14px;max-width:920px;}
.faq-item{
 border-radius:var(--radius);border:1px solid var(--line);background:var(--panel);
 box-shadow:var(--shadow);overflow:hidden;
 transition:border-color var(--dur) ease,box-shadow var(--dur) ease,background var(--dur) ease;
}
.faq-item:hover{border-color:var(--line-strong);background:var(--panel-2);}
.faq-item summary{
 list-style:none;cursor:pointer;padding:18px 22px;font-weight:700;color:#fff;font-size:16px;
 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;line-height:1;color:#8fb4ff;transition:transform var(--dur) ease,color var(--dur) ease;flex-shrink:0;
}
.faq-item[open] summary::after{content:"–";color:var(--primary-2);}
.faq-body{padding:0 22px 20px;color:var(--muted);font-size:14.8px;line-height:1.85;}
/* news list */
.post-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:20px;}
.post{
 display:flex;flex-direction:column;overflow:hidden;border-radius:var(--radius);
 border:1px solid var(--line);background:var(--panel);box-shadow:var(--shadow);
 transition:transform var(--dur) ease,box-shadow var(--dur) ease,border-color var(--dur) ease;
}
.post:hover{transform:translateY(-4px);box-shadow:var(--shadow-hover);border-color:var(--line-strong);}
.post-thumb{position:relative;overflow:hidden;}
.post-thumb img{width:100%;aspect-ratio:16/10;object-fit:cover;transition:transform .35s ease;}
.post:hover .post-thumb img{transform:scale(1.045);}
.post-body{padding:18px 20px 22px;display:flex;flex-direction:column;flex:1;}
.post-meta{display:flex;align-items:center;gap:10px;font-size:12.5px;color:#8fa4c8;margin-bottom:10px;flex-wrap:wrap;}
.post-meta .pill{
 padding:3px 10px;border-radius:999px;background:rgba(61,125,255,.16);
 border:1px solid rgba(61,125,255,.32);color:#a9c6ff;
}
.post h3{font-size:16.5px;line-height:1.55;margin-bottom:10px;}
.post h3 a:hover{color:#9dc0ff;}
.post .excerpt{color:var(--muted);font-size:14px;line-height:1.78;margin:0 0 14px;}
.post .more{margin-top:auto;font-size:13.5px;color:#9dc0ff;display:inline-flex;align-items:center;gap:6px;}
.empty-note{
 padding:34px 26px;border-radius:var(--radius);border:1px dashed var(--line-strong);
 background:rgba(255,255,255,.03);color:var(--muted);font-size:15px;text-align:center;
}
/* CTA */
.cta-band{
 position:relative;overflow:hidden;border-radius:20px;padding:52px 44px;
 border:1px solid var(--line-strong);
 background:
 radial-gradient(520px 260px at 88% 12%,rgba(37,208,232,.22),transparent 66%),
 linear-gradient(140deg,rgba(61,125,255,.28),rgba(10,17,32,.9));
 box-shadow:0 26px 60px rgba(0,0,0,.5);
}
.cta-band h2{font-size:clamp(22px,2.7vw,30px);margin-bottom:14px;}
.cta-band p{color:#b8c8e4;max-width:680px;font-size:15.5px;margin:0 0 26px;}
/* footer */
.site-footer{
 border-top:1px solid var(--line);background:rgba(6,10,20,.86);
 padding:56px 0 26px;margin-top:0;
}
.footer-grid{display:grid;grid-template-columns:1.4fr 1fr 1fr;gap:40px;}
.footer-brand .logo{margin-bottom:16px;}
.footer-brand p{color:var(--muted);font-size:14.2px;line-height:1.85;margin:0;max-width:400px;}
.footer-col h4{font-size:15px;margin-bottom:16px;color:#fff;letter-spacing:.4px;}
.footer-list{list-style:none;margin:0;padding:0;display:grid;gap:10px;}
.footer-list li{font-size:14px;}
.footer-list a{color:var(--muted);transition:color var(--dur) ease;}
.footer-list a:hover{color:#9dc0ff;}
.footer-bottom{
 margin-top:38px;padding-top:20px;border-top:1px solid rgba(122,168,255,.12);
 display:flex;flex-wrap:wrap;justify-content:space-between;gap:10px;
 font-size:13px;color:#7d8dad;
}
/* responsive */
@media (max-width:1024px){
 .cat-hero-inner{grid-template-columns:1fr;gap:38px;}
 .cat-hero .lead{max-width:none;}
 .hero-float{left:auto;right:14px;bottom:-18px;}
 .card-grid--4{grid-template-columns:repeat(2,1fr);}
 .card-grid,.scene-grid,.steps,.quotes,.post-grid{grid-template-columns:repeat(2,1fr);}
 .stats{grid-template-columns:repeat(2,1fr);}
 .nav-search input{width:132px;}
 .nav-link{padding:8px 10px;font-size:14px;}
 .footer-grid{gap:30px;}
}
@media (max-width:860px){
 .nav-toggle{display:inline-flex;}
 .nav-search{display:none;}
 .nav-links{
  position:absolute;top:64px;left:16px;right:16px;flex-direction:column;align-items:stretch;
  gap:6px;margin:0;padding:12px;border-radius:14px;border:1px solid var(--line-strong);
  background:rgba(9,14,28,.985);box-shadow:0 20px 44px rgba(0,0,0,.62);display:none;z-index:90;
 }
 .nav-links.is-open{display:flex;}
 .nav-link{padding:12px 14px;font-size:15px;min-height:44px;display:flex;align-items:center;}
 .nav-actions{margin-left:auto;}
 .section{padding:56px 0;}
 .cat-hero{padding:44px 0 52px;}
 .footer-grid{grid-template-columns:1fr 1fr;}
 .footer-brand{grid-column:1 / -1;}
}
@media (max-width:620px){
 .card-grid,.card-grid--4,.scene-grid,.steps,.quotes,.post-grid,.stats{grid-template-columns:1fr;}
 .hero-float{position:static;margin-top:16px;min-width:0;}
 .cta-band{padding:34px 22px;border-radius:16px;}
 .footer-grid{grid-template-columns:1fr;gap:26px;}
 .footer-bottom{flex-direction:column;}
 .btn{width:100%;}
 .hero-btns .btn{width:100%;}
 .logo-text{font-size:15.5px;}
 .nav-actions .btn{width:auto;}
}
@media (max-width:420px){
 .logo-text{max-width:150px;overflow:hidden;text-overflow:ellipsis;white-space:nowrap;}
 .cat-hero h1{font-size:25px;}
}