/* roulang page: index */
:root{
  --bg:#07111F;
  --bg2:#0C1828;
  --bg3:#0F1D30;
  --text:#EEF4FF;
  --sub:#A9BFD9;
  --muted:#6B7F99;
  --primary:#1E7FFF;
  --primary2:#3FA9FF;
  --accent:#22E6C8;
  --border:rgba(255,255,255,.08);
  --hl:rgba(63,169,255,.35);
  --glass:rgba(255,255,255,.06);
  --radius:16px;
  --base:14px;
  --section-gap:96px;
}
*{box-sizing:border-box}
html{scroll-behavior:smooth}
body{
  margin:0;
  background:var(--bg);
  color:var(--text);
  font-family:"PingFang SC","Microsoft YaHei",system-ui,-apple-system,"Segoe UI",sans-serif;
  line-height:1.85;
  -webkit-font-smoothing:antialiased;
  letter-spacing:.01em;
}
a{color:inherit;text-decoration:none}
img{max-width:100%;display:block}
input,textarea,select,button{font-family:inherit;color:inherit}
.container{max-width:1280px;margin:0 auto;padding:0 32px}
.section{padding:var(--section-gap) 0;position:relative}

.section-head h2{
  font-size:clamp(1.8rem,3vw,2.4rem);
  font-weight:700;
  letter-spacing:-.01em;
  line-height:1.3;
  margin:0 0 12px;
}
.section-head .sub{
  color:var(--sub);
  font-size:1.0625rem;
  max-width:52ch;
}

.btn{
  display:inline-flex;
  align-items:center;
  justify-content:center;
  gap:8px;
  border:1px solid transparent;
  border-radius:10px;
  padding:13px 24px;
  font-size:15px;
  font-weight:600;
  cursor:pointer;
  line-height:1.25;
  text-align:center;
  transition:all .25s ease;
  white-space:nowrap;
}
.btn:focus-visible,.nav-link:focus-visible,a:focus-visible{
  outline:2px solid var(--accent);
  outline-offset:3px;
}
.btn:active{transform:scale(.98)}
.btn-primary{
  background:linear-gradient(180deg,#2A8BFF 0%,var(--primary) 62%,#1569E6 100%);
  color:#fff;
  box-shadow:0 0 0 1px rgba(63,169,255,.3),0 0 24px rgba(30,127,255,.28),inset 0 1px 0 rgba(255,255,255,.22);
}
.btn-primary:hover{
  background:linear-gradient(180deg,#3FA9FF 0%,#2A8BFF 60%,#1E7FFF 100%);
  box-shadow:0 0 0 1px rgba(63,169,255,.45),0 0 32px rgba(63,169,255,.4),inset 0 1px 0 rgba(255,255,255,.28);
  letter-spacing:.03em;
}
.btn-outline{
  background:rgba(255,255,255,.08);
  border-color:rgba(255,255,255,.16);
  color:var(--text);
  box-shadow:0 4px 16px rgba(0,0,0,.12);
}
.btn-outline:hover{
  background:rgba(255,255,255,.14);
  border-color:rgba(63,169,255,.55);
  color:var(--primary2);
}

.badge,.status-badge{
  display:inline-flex;
  align-items:center;
  gap:6px;
  border-radius:999px;
  padding:5px 13px;
  font-size:.82rem;
  font-weight:500;
  line-height:1.4;
  background:rgba(30,127,255,.12);
  color:var(--primary2);
  border:1px solid rgba(63,169,255,.2);
  white-space:nowrap;
}
.badge-live{color:var(--accent);background:rgba(34,230,200,.1);border-color:rgba(34,230,200,.25)}
.badge-neutral{color:var(--sub);background:rgba(255,255,255,.06);border-color:rgba(255,255,255,.1)}
.badge-warn{color:#FBBF24;background:rgba(251,191,36,.1);border-color:rgba(251,191,36,.22)}

/* site header */
.site-header{
  position:sticky;
  top:0;
  z-index:70;
  height:68px;
  background:rgba(7,17,31,.78);
  backdrop-filter:blur(14px);
  -webkit-backdrop-filter:blur(14px);
  border-bottom:1px solid rgba(255,255,255,.07);
}
.header-inner{
  height:68px;
  display:flex;
  align-items:center;
  gap:26px;
}
.brand{
  display:inline-flex;
  align-items:center;
  gap:10px;
  margin-right:6px;
}
.brand-mark{
  width:36px;
  height:36px;
  border-radius:10px;
  background:linear-gradient(135deg,#1E7FFF,#22E6C8);
  display:flex;
  align-items:center;
  justify-content:center;
  color:#fff;
  font-weight:800;
  font-size:13px;
  box-shadow:0 0 0 1px rgba(255,255,255,.14),0 6px 18px rgba(30,127,255,.35);
  flex:none;
}
.brand-text{
  font-size:19px;
  font-weight:800;
  letter-spacing:.5px;
  white-space:nowrap;
}
.brand-text-short{display:none}
.primary-nav{display:flex;align-items:center;gap:8px}
.nav-link{
  position:relative;
  display:inline-flex;
  align-items:center;
  padding:8px 12px;
  color:var(--sub);
  font-size:15px;
  font-weight:500;
  border-radius:8px;
  transition:color .22s,background .22s;
}
.nav-link:hover{color:var(--text);background:rgba(255,255,255,.05)}
.nav-link.active{color:#fff}
.nav-link.active::after{
  content:"";
  position:absolute;
  bottom:1px;
  left:12px;
  right:12px;
  height:2px;
  border-radius:2px;
  background:var(--accent);
  box-shadow:0 0 10px rgba(34,230,200,.5);
}
.header-actions{
  margin-left:auto;
  display:flex;
  align-items:center;
  gap:12px;
}
.status-chip{
  display:inline-flex;
  align-items:center;
  gap:6px;
  color:var(--sub);
  font-size:.85rem;
  background:rgba(255,255,255,.05);
  border:1px solid var(--border);
  border-radius:999px;
  padding:5px 12px;
}
.status-chip .dot{
  width:7px;
  height:7px;
  border-radius:50%;
  background:var(--accent);
  box-shadow:0 0 8px var(--accent);
}
.btn-sm{padding:9px 16px;font-size:14px}
.menu-toggle{
  display:none;
  width:40px;
  height:40px;
  border-radius:10px;
  border:1px solid var(--border);
  background:rgba(255,255,255,.05);
  color:var(--text);
  cursor:pointer;
}
.menu-toggle:active{transform:scale(.96)}
.mobile-menu{
  display:none;
  position:fixed;
  inset:68px 0 auto 0;
  background:#0B1527;
  border-bottom:1px solid var(--border);
  padding:18px 20px 26px;
  flex-direction:column;
  gap:6px;
  opacity:0;
  transform:translateY(-6px);
  pointer-events:none;
  transition:opacity .25s,transform .25s;
}
.mobile-menu.show{opacity:1;transform:none;pointer-events:auto}

/* hero */
.hero{
  position:relative;
  overflow:hidden;
  padding:96px 0 80px;
  background-color:#07111F;
  background-image:linear-gradient(90deg,rgba(7,17,31,.92) 0%,rgba(7,17,31,.74) 46%,rgba(7,17,31,.3) 100%),url('/assets/images/backpic/back-1.png');
  background-size:cover;
  background-position:center 70%;
  border-bottom:1px solid rgba(255,255,255,.05);
}
.hero::before{
  content:"";
  position:absolute;
  inset:0;
  background-image:radial-gradient(rgba(255,255,255,.35) 1px,transparent 1.5px);
  background-size:26px 26px;
  opacity:.17;
  pointer-events:none;
  mask-image:linear-gradient(90deg,#000 0%,transparent 80%);
}
.hero::after{
  content:"";
  position:absolute;
  width:120%;
  height:1px;
  top:50%;
  left:-5%;
  transform:rotate(-12deg);
  background:linear-gradient(90deg,transparent,rgba(63,169,255,.4),transparent);
  opacity:.45;
  pointer-events:none;
}
.hero .container{
  position:relative;
  z-index:2;
  display:grid;
  grid-template-columns:minmax(0,1.08fr) minmax(0,.92fr);
  gap:56px;
  align-items:center;
}
.eyebrow{
  display:inline-flex;
  align-items:center;
  gap:8px;
  color:var(--primary2);
  background:rgba(30,127,255,.1);
  border:1px solid rgba(63,169,255,.26);
  border-radius:999px;
  padding:7px 16px;
  font-size:.88rem;
}
.eyebrow .pulse{
  width:7px;
  height:7px;
  border-radius:50%;
  background:var(--accent);
  box-shadow:0 0 0 6px rgba(34,230,200,.12),0 0 8px var(--accent);
}
.hero h1{
  font-size:clamp(2.2rem,4.6vw + .6rem,4.2rem);
  line-height:1.12;
  font-weight:800;
  margin:26px 0 22px;
  letter-spacing:-.02em;
}
.hero .lead{
  color:var(--sub);
  font-size:1.085rem;
  line-height:1.9;
  max-width:56ch;
  margin:0 0 30px;
}
.hero-actions{display:flex;flex-wrap:wrap;gap:14px;margin-bottom:20px}
.platform-line{
  display:flex;
  flex-wrap:wrap;
  gap:18px;
  color:var(--muted);
  font-size:.9rem;
  margin-top:14px;
}
.platform-line span{
  display:inline-flex;
  align-items:center;
  gap:7px;
}
.platform-line span::before{
  content:"";
  width:6px;
  height:6px;
  border-radius:50%;
  background:var(--accent);
  opacity:.8;
}

/* visual download panel */
.download-panel{
  position:relative;
  border-radius:24px;
  background:linear-gradient(145deg,rgba(255,255,255,.09),rgba(255,255,255,.03));
  border:1px solid rgba(63,169,255,.35);
  box-shadow:0 30px 70px rgba(0,0,0,.34),0 0 0 1px rgba(255,255,255,.04) inset;
  backdrop-filter:blur(16px);
  -webkit-backdrop-filter:blur(16px);
  padding:18px 20px;
  max-width:560px;
  margin-left:auto;
}
.download-panel::before{
  content:"";
  position:absolute;
  top:0;
  left:10%;
  right:10%;
  height:1px;
  background:linear-gradient(90deg,transparent,#22E6C8,transparent);
  opacity:.6;
}
.dp-head{
  display:flex;
  align-items:center;
  justify-content:space-between;
  padding-bottom:12px;
  border-bottom:1px solid rgba(255,255,255,.08);
}
.dp-title{font-weight:700;font-size:15px}
.dp-status{display:flex;align-items:center;gap:8px;color:var(--sub);font-size:.85rem}
.dp-status span{display:flex;align-items:center;gap:6px}
.dp-status i{width:7px;height:7px;border-radius:50%;background:var(--accent);box-shadow:0 0 8px var(--accent)}
.dp-app{
  display:flex;
  align-items:center;
  gap:14px;
  padding:20px 2px;
}
.dp-logo{
  width:50px;
  height:50px;
  border-radius:14px;
  flex:none;
  background:linear-gradient(135deg,#1E7FFF,#22E6C8);
  display:flex;align-items:center;justify-content:center;
  font-weight:800;font-size:15px;
  box-shadow:0 6px 18px rgba(30,127,255,.35);
}
.dp-app h3{margin:0;font-size:19px;font-weight:700}
.dp-app p{margin:2px 0 0;font-size:.85rem;color:var(--sub)}
.dp-tags{display:flex;flex-wrap:wrap;gap:8px}
.dp-tags span{
  display:inline-flex;
  align-items:center;
  border-radius:8px;
  background:rgba(255,255,255,.05);
  border:1px solid var(--border);
  padding:5px 10px;
  font-size:.83rem;
  color:var(--sub);
}
.dp-btn{width:100%;margin-top:20px}
.dp-checks{
  margin-top:16px;
  display:flex;
  justify-content:space-between;
  gap:10px;
  color:var(--muted);
  font-size:.8rem;
  border-top:1px solid rgba(255,255,255,.06);
  padding-top:14px;
}

/* stats */
.stats-strip{
  display:grid;
  grid-template-columns:repeat(4,1fr);
  gap:0;
  margin-top:-38px;
  position:relative;
  z-index:5;
  background:rgba(12,24,40,.72);
  border:1px solid rgba(255,255,255,.09);
  backdrop-filter:blur(10px);
  -webkit-backdrop-filter:blur(10px);
  border-radius:20px;
  overflow:hidden;
}
.stat-item{padding:24px 26px;display:flex;flex-direction:column}
.stat-item+.stat-item{border-left:1px solid rgba(255,255,255,.06)}
.stat-num{
  font-size:2.1rem;
  font-weight:800;
  color:#fff;
  line-height:1.2;
  font-feature-settings:"tnum";
  font-variant-numeric:tabular-nums;
}
.stat-label{color:var(--muted);font-size:.9rem;margin-top:6px}

/* section / timeline */
.timeline-wrap{
  display:grid;
  grid-template-columns:minmax(0,1fr) 270px;
  gap:60px;
}
.timeline-block{position:relative;margin-top:8px}
.timeline{
  list-style:none;
  margin:0;
  padding:0;
  position:relative;
}
.timeline::before{
  content:"";
  position:absolute;
  left:44px;
  top:12px;
  bottom:12px;
  width:1px;
  background:linear-gradient(180deg,rgba(63,169,255,.2),rgba(255,255,255,.12),rgba(22,230,200,.28));
}
.timeline-item{
  position:relative;
  padding:0 0 34px 108px;
  transition:transform .25s;
}
.timeline-item:last-child{padding-bottom:0}
.timeline-item .tl-number{
  position:absolute;
  left:0;top:3px;
  width:44px;height:44px;
  border-radius:50%;
  border:1px solid rgba(63,169,255,.4);
  background:#0B1728;
  display:flex;align-items:center;justify-content:center;
  font-weight:700;
  font-size:.92rem;
  color:var(--primary2);
  box-shadow:0 0 0 5px rgba(30,127,255,.06),0 6px 14px rgba(0,0,0,.25);
  transition:box-shadow .3s;
  font-feature-settings:"tnum";
}
.timeline-item::before{
  content:"";
  position:absolute;
  left:18px;top:20px;
  width:10px;height:10px;
  border-radius:50%;
  background:#0B1728;
  border:2px solid var(--accent);
  box-shadow:0 0 8px rgba(34,230,200,.3);
  z-index:2;
}
.timeline-item:hover{padding-left:112px}
.timeline-item:hover .tl-number{
  box-shadow:0 0 0 5px rgba(30,127,255,.08),0 0 18px rgba(30,127,255,.36),0 6px 14px rgba(0,0,0,.25);
}
.tl-meta{
  display:flex;
  align-items:center;
  gap:14px;
  flex-wrap:wrap;
  margin-bottom:4px;
}
.tl-head h3{
  margin:2px 0 6px;
  font-size:1.3rem;
  font-weight:600;
}
.tl-head p{
  color:var(--sub);
  margin:0 0 10px;
  max-width:64ch;
  font-size:.96rem;
}
.tl-time{
  color:var(--muted);
  font-size:.86rem;
  font-variant-numeric:tabular-nums;
  margin-right:auto;
}
.schedule-note{
  position:sticky;
  top:100px;
  align-self:start;
  border-radius:20px;
  border:1px solid rgba(255,255,255,.1);
  background:linear-gradient(160deg,rgba(255,255,255,.07),rgba(255,255,255,.02));
  backdrop-filter:blur(8px);
  padding:24px;
}
.schedule-note h4{margin:0 0 14px;font-size:1rem}
.note-row{
  display:flex;
  align-items:center;
  justify-content:space-between;
  padding:12px 0;
  border-bottom:1px solid rgba(255,255,255,.07);
  font-size:.92rem;
}
.note-row:last-child{border-bottom:0}
.note-row dt{color:var(--muted)}
.note-row dd{margin:0;color:var(--sub);text-align:right}

/* feature bento */
.feature-main{
  background:var(--bg2);
  border:1px solid var(--border);
  border-radius:20px;
  overflow:hidden;
}
.feature-main img{object-fit:cover;aspect-ratio:16/9;width:100%;transition:transform .6s ease}
.feature-main:hover img{transform:scale(1.03)}
.feature-main-body{padding:24px;background:linear-gradient(180deg,rgba(12,24,40,.7),#0c1828)}
.feature-main h3,.feature-box h3{font-size:1.28rem;margin:0 0 10px;font-weight:600}
.feature-main p,.feature-box p{color:var(--sub);font-size:.98rem;margin:0 0 12px}
.feature-box{
  background:var(--bg2);
  border:1px solid var(--border);
  border-radius:20px;
  padding:24px;
  transition:border-color .3s,transform .3s;
}
.feature-box:hover{
  border-color:var(--hl);
  transform:translateY(-2px);
}
.bento-tags{display:flex;flex-wrap:wrap;gap:8px;margin-top:8px}
.bento-tags span{
  border-radius:999px;
  background:rgba(30,127,255,.12);
  border:1px solid rgba(63,169,255,.2);
  color:#CEE2FF;
  font-size:.82rem;
  padding:4px 11px;
}
.feature-link{
  display:inline-flex;
  align-items:center;
  gap:6px;
  font-size:.92rem;
  color:var(--accent);
  margin-top:4px;
}
.feature-link:hover{opacity:.8}

/* team rows */
.team-list{
  display:flex;
  flex-direction:column;
  gap:14px;
  margin-top:26px;
}
.team-row{
  display:flex;
  align-items:center;
  gap:18px;
  background:rgba(12,24,40,.56);
  border:1px solid var(--border);
  border-radius:16px;
  padding:16px 22px;
  transition:border-color .25s,background .25s,transform .25s;
}
.team-row:hover{
  border-color:rgba(63,169,255,.35);
  background:rgba(15,29,48,.85);
  transform:translateX(4px);
}
.team-avatar{
  width:50px;height:50px;border-radius:14px;flex:none;
  background:linear-gradient(135deg,rgba(30,127,255,.5),rgba(34,230,200,.45));
  border:1px solid rgba(255,255,255,.15);
  display:flex;align-items:center;justify-content:center;
  font-size:1rem;font-weight:700;
}
.team-info{flex:1;min-width:0}
.team-info h4{margin:0;font-size:1.03rem;font-weight:600}
.team-info p{margin:2px 0 0;color:var(--sub);font-size:.9rem}
.team-tag{flex:none}

/* plans */
.plan-section{
  background:linear-gradient(180deg,rgba(9,17,30,.5),#07111F);
}
.plan-cards{
  display:grid;
  grid-template-columns:minmax(0,1fr) minmax(0,1.18fr) minmax(0,1fr);
  gap:26px;
  align-items:stretch;
}
.plan-card{
  background:rgba(12,24,40,.72);
  border:1px solid var(--border);
  border-radius:22px;
  padding:30px 28px;
  display:flex;
  flex-direction:column;
  position:relative;
}
.plan-card .plan-label{
  font-size:.88rem;
  color:var(--primary2);
  font-weight:600;
  letter-spacing:.4px;
}
.plan-card .plan-name{
  font-size:1.7rem;
  font-weight:700;
  margin:10px 0 8px;
}
.plan-card .plan-price{color:var(--sub);font-size:1rem}
.plan-card ul{
  margin:24px 0 28px;
  list-style:none;
  padding:0;
  display:flex;
  flex-direction:column;
  gap:9px;
}
.plan-card li{
  display:flex;
  gap:9px;
  color:var(--sub);
  font-size:.94rem;
  line-height:1.55;
}
.plan-card li::before{
  content:"✓";
  color:var(--accent);
  flex:none;
  font-weight:700;
}
.plan-card.featured{
  border-color:rgba(63,169,255,.5);
  background:linear-gradient(160deg,rgba(19,39,70,.9),rgba(9,22,41,.96));
  box-shadow:0 0 0 1px rgba(63,169,255,.25),0 28px 70px rgba(30,127,255,.16),inset 0 1px 0 rgba(255,255,255,.14);
  transform:translateY(-22px);
  z-index:2;
  color:#fff;
}
.plan-card.featured .featured-flag{
  position:absolute;
  top:-14px;
  left:50%;
  transform:translateX(-50%);
  white-space:nowrap;
  background:linear-gradient(90deg,#1E7FFF,#22E6C8);
  color:#fff;
  font-size:.8rem;
  font-weight:700;
  border-radius:999px;
  padding:6px 16px;
  box-shadow:0 0 20px rgba(34,230,200,.25);
}
.plan-card.featured ul li{color:#DDE9FF}
.plan-card .btn{margin-top:auto}
.plan-bottom{margin-top:36px;border:1px solid rgba(255,255,255,.08);border-radius:18px;overflow-x:auto;background:rgba(12,24,40,.45)}
.comp-table{width:100%;min-width:560px;border-collapse:collapse;font-size:.92rem}
.comp-table th,.comp-table td{
  text-align:left;
  padding:13px 20px;
  border-bottom:1px solid rgba(255,255,255,.06);
}
.comp-table thead th{color:var(--sub);font-weight:500;font-size:.84rem}
.comp-table tbody tr:last-child td{border-bottom:0}
.comp-table td.ok{color:var(--accent);white-space:nowrap}
.comp-table td.no{color:#52647D;white-space:nowrap}
.comp-table td.text{color:var(--sub)}

/* signup */
.cta-wrap{
  background:
    radial-gradient(rgba(30,127,255,.13) 0,transparent 48%),
    linear-gradient(140deg,#0C1A2D,#0B1B30 60%,#0C2438);
  border:1px solid rgba(63,169,255,.24);
  border-radius:26px;
  padding:48px 50px;
  display:grid;
  grid-template-columns:minmax(0,1fr) minmax(0,1fr);
  gap:54px;
  overflow:hidden;
  position:relative;
}
.cta-wrap::before{
  content:"";
  position:absolute;
  top:-1px;left:14%;right:14%;
  height:1px;
  background:linear-gradient(90deg,transparent,#22E6C8,transparent);
  opacity:.6;
}
.cta-intro h2{font-size:clamp(1.7rem,2.8vw,2.4rem);line-height:1.3;margin:8px 0 16px}
.cta-intro > p{color:var(--sub);font-size:1.02rem;margin:0 0 26px}
.cta-points{list-style:none;padding:0;margin:0;display:flex;flex-direction:column;gap:14px}
.cta-points li{
  display:flex;
  gap:11px;
  align-items:flex-start;
  color:var(--text);
  font-size:.95rem;
}
.cta-points li::before{
  content:"";
  width:20px;height:20px;border-radius:50%;
  flex:none;
  background:rgba(34,230,200,.14);
  border:1px solid rgba(34,230,200,.4);
  margin-top:4px;
  position:relative;
}
.cta-points li::after{
  content:"";
  position:relative;
  margin-left:-16px;
  width:8px;height:5px;
  border-left:2px solid var(--accent);
  border-bottom:2px solid var(--accent);
  transform:rotate(-45deg);
}
.form-card{
  border:1px solid rgba(255,255,255,.1);
  border-radius:20px;
  background:rgba(7,17,31,.44);
  backdrop-filter:blur(14px);
  -webkit-backdrop-filter:blur(14px);
  padding:28px 28px 24px;
}
.form-group{margin-bottom:18px}
.form-label{
  display:block;
  font-size:.87rem;
  color:var(--sub);
  margin-bottom:8px;
  font-weight:500;
}
.form-control{
  width:100%;
  background:rgba(255,255,255,.05);
  border:1px solid rgba(255,255,255,.12);
  border-radius:10px;
  padding:12px 14px;
  color:var(--text);
  font-size:.95rem;
  transition:background .25s,border-color .25s,box-shadow .25s;
}
textarea.form-control{min-height:104px;resize:vertical}
.form-control::placeholder{color:var(--muted)}
.form-control:focus{
  outline:none;
  background:rgba(255,255,255,.08);
  border-color:var(--primary);
  box-shadow:0 0 0 3px rgba(30,127,255,.18);
}
.form-control.has-error{
  border-color:#FBBF24;
  box-shadow:0 0 0 3px rgba(251,191,36,.13);
}
.error-tip{
  color:#FBBF24;font-size:.8rem;margin-top:6px;display:none;
}
.has-error + .error-tip{display:block}
.success-tip{
  display:none;
  margin-top:14px;
  border-radius:10px;
  border:1px solid rgba(34,230,200,.35);
  background:rgba(34,230,200,.1);
  padding:11px 14px;
  font-size:.9rem;
  color:#BCFFEF;
}
.form-meta{font-size:.82rem;color:var(--muted);margin:12px 0 0;text-align:center}

/* news */
.news-head{
  display:flex;
  align-items:flex-end;
  justify-content:space-between;
  gap:20px;
  flex-wrap:wrap;
  margin-bottom:24px;
}
.filter-pills{display:flex;gap:10px;flex-wrap:wrap}
.filter-pill{
  border:1px solid var(--border);
  background:rgba(255,255,255,.04);
  color:var(--sub);
  border-radius:999px;
  padding:7px 18px;
  font-size:.9rem;
  cursor:pointer;
  transition:all .25s;
}
.filter-pill:hover{border-color:var(--hl);color:var(--text)}
.filter-pill.active{background:rgba(30,127,255,.2);border-color:rgba(63,169,255,.35);color:#fff}
.news-grid{display:grid;grid-template-columns:repeat(2,minmax(0,1fr));gap:16px}
.news-card{
  background:rgba(255,255,255,.04);
  border:1px solid var(--border);
  border-radius:16px;
  padding:22px 24px;
  display:flex;
  flex-direction:column;
  transition:border-color .25s,transform .25s,background .25s;
}
.news-card:hover{
  border-color:rgba(63,169,255,.36);
  background:rgba(255,255,255,.055);
  transform:translateY(-2px);
}
.news-card .badge{align-self:flex-start}
.news-card h3{
  margin:14px 0 8px;
  font-size:1.08rem;
  font-weight:600;
  line-height:1.55;
}
.news-card h3 a:hover{color:var(--primary2)}
.news-card p{
  color:var(--sub);
  font-size:.93rem;
  margin:0 0 14px;
  display:-webkit-box;
  -webkit-line-clamp:2;
  -webkit-box-orient:vertical;
  overflow:hidden;
}
.news-foot{
  margin-top:auto;
  display:flex;
  align-items:center;
  justify-content:space-between;
  gap:12px;
  color:var(--muted);
  font-size:.85rem;
}
.read-more{color:var(--accent);font-weight:500;display:inline-flex;gap:4px;align-items:center}
.read-more:hover{color:#7FF5E0}
.empty-news{
  padding:52px 30px;
  border:1px dashed rgba(255,255,255,.16);
  border-radius:18px;
  background:rgba(255,255,255,.018);
  color:var(--sub);
  text-align:center;
  grid-column:1/-1;
}
.empty-icon{
  width:64px;height:64px;
  margin:0 auto 18px;
  border:1px solid rgba(255,255,255,.14);
  border-radius:20px;
  background:repeating-linear-gradient(90deg,rgba(255,255,255,.12) 0 1px,transparent 1px 10px),repeating-linear-gradient(0deg,rgba(255,255,255,.12) 0 1px,transparent 1px 10px);
}

/* faq */
.faq-section{background:rgba(9,17,30,.4);border-top:1px solid rgba(255,255,255,.04);border-bottom:1px solid rgba(255,255,255,.04)}
.faq-container{max-width:920px;margin:0 auto}
.faq-item{
  border:1px solid var(--border);
  background:rgba(255,255,255,.05);
  border-radius:14px;
  margin-bottom:12px;
  transition:border-color .3s,background .3s;
  overflow:hidden;
}
.faq-item[open]{
  border-color:rgba(63,169,255,.35);
  background:rgba(255,255,255,.07);
}
.faq-item summary{
  list-style:none;
  cursor:pointer;
  display:flex;
  align-items:center;
  gap:14px;
  padding:17px 22px;
  font-weight:600;
  font-size:1rem;
  transition:color .2s;
  user-select:none;
}
.faq-item summary::-webkit-details-marker{display:none}
.faq-item summary .qnum{
  flex:none;
  color:var(--primary2);
  font-size:.85rem;
  width:24px;
  height:24px;
  border-radius:8px;
  background:rgba(30,127,255,.14);
  display:flex;align-items:center;justify-content:center;
  font-weight:700;
}
.faq-item summary .arrow{
  margin-left:auto;
  color:var(--muted);
  transition:transform .28s;
  font-size:1.2rem;
  flex:none;
  transform:rotate(90deg);
}
.faq-item[open] summary .arrow{transform:rotate(-90deg);color:var(--accent)}
.faq-item[open] summary{color:#fff}
.faq-body{padding:0 22px 20px 60px;color:var(--sub);font-size:.96rem}

/* footer */
.site-footer{
  background:#08101B;
  border-top:1px solid rgba(255,255,255,.05);
  position:relative;
  overflow:hidden;
  padding:70px 0 0;
}
.site-footer::before{
  content:"";
  position:absolute;
  left:0;right:0;bottom:0;height:220px;
  background:repeating-linear-gradient(0deg,rgba(255,255,255,.018) 0 1px,transparent 1px 4px);
  pointer-events:none;
}
.footer-grid{
  display:grid;
  grid-template-columns:1.7fr .9fr 1.2fr 1.3fr;
  gap:48px;
  padding-bottom:50px;
}
.footer-brand .brand-text{font-size:1.28rem}
.footer-about{color:var(--muted);font-size:.9rem;margin-top:14px;max-width:38ch}
.footer h4{
  font-size:1.02rem;
  margin:0 0 18px;
  font-weight:600;
  color:#fff;
}
.footer-links{list-style:none;padding:0;margin:0;display:flex;flex-direction:column;gap:9px}
.footer-links a{color:var(--sub);font-size:.92rem;transition:color .2s}
.footer-links a:hover{color:var(--accent)}
.footer-contact{color:var(--muted);font-size:.9rem;display:flex;flex-direction:column;gap:10px}
.footer-contact span a{color:var(--sub)}
.footer-contact span a:hover{color:var(--accent)}
.footer-bottom{
  border-top:1px solid rgba(255,255,255,.05);
  padding:24px 0;
  color:var(--muted);
  font-size:.85rem;
  position:relative;
  z-index:2;
}
.footer-bottom .container{
  display:flex;
  justify-content:space-between;
  flex-wrap:wrap;
  gap:12px;
}

/* responsive */
@media (max-width:1279px){
  .container{padding:0 32px}
  .timeline-wrap{grid-template-columns:minmax(0,1fr) 240px;gap:36px}
  .hero .container{gap:40px}
  .cta-wrap{padding:42px 36px;gap:36px}
}
@media (max-width:1023px){
  .primary-nav{display:none}
  .menu-toggle{display:inline-flex;align-items:center;justify-content:center}
  .mobile-menu{display:flex}
  .hero .container{grid-template-columns:1fr;gap:60px}
  .hero{padding:80px 0 64px}
  .hero h1{font-size:clamp(2.2rem,5vw,3.3rem)}
  .download-panel{margin-left:0}
  .stats-strip{grid-template-columns:repeat(2,1fr);margin-top:0}
  .stat-item:nth-child(3){border-left:0}
  .stat-item:nth-child(-n+2){border-bottom:1px solid rgba(255,255,255,.06)}
  .planet:nth-child(odd){border-left:0}
  .timeline-wrap{grid-template-columns:1fr}
  .schedule-note{position:static}
  .plan-cards{grid-template-columns:1fr;max-width:540px;margin-left:auto;margin-right:auto}
  .plan-card.featured{transform:none;order:-1}
  .cta-wrap{grid-template-columns:1fr}
  .cta-intro{margin-bottom:8px}
  .footer-grid{grid-template-columns:1fr 1fr}
  .news-grid{grid-template-columns:1fr}
  .container{padding:0 28px}
  .section{padding:72px 0}
}
@media (max-width:767px){
  .section{padding:64px 0}
  .brand-text{display:none}
  .brand-text-short{display:inline;font-size:17px;font-weight:800}
  .header-actions .status-chip{display:none}
  .container{padding:0 20px}
  .hero{padding:56px 0 52px}
  .hero-actions .btn{width:100%}
  .platform-line{gap:12px}
  .stats-strip{grid-template-columns:1fr 1fr}
  .stat-item{padding:20px}
  .timeline-item{padding-left:0;padding-top:30px}
  .timeline::before{left:17px;top:0;bottom:2px}
  .timeline-item .tl-number{left:0;top:0;width:36px;height:36px;font-size:.9rem}
  .timeline-item::before{left:12px;top:14px}
  .tl-head h3{font-size:1.15rem}
  .faq-body{padding-left:22px}
  .cta-wrap{padding:30px 20px;border-radius:20px}
  .form-card{padding:22px 16px}
  .plan-cards{gap:18px; max-width:100%}
  .news-grid{grid-template-columns:1fr}
  .footer-grid{grid-template-columns:1fr;gap:26px}
  .footer-bottom .container{flex-direction:column;text-align:center;justify-content:center}
  .team-row{align-items:flex-start;flex-wrap:wrap}
  .team-tag{width:100%;padding-left:68px}
  .stat-num{font-size:1.7rem}
  .section-head h2{font-size:1.7rem}
  .plan-card{padding:26px 20px}
  .download-panel{max-width:100%}
}

/* roulang page: article */
:root{
  --bg:#07111F;
  --bg-deep:#040B14;
  --bg-soft:#0C1828;
  --panel:#101F33;
  --text:#EEF4FF;
  --muted:#A9BFD9;
  --muted-2:#6B7F99;
  --brand:#1E7FFF;
  --brand-light:#3FA9FF;
  --signal:#22E6C8;
  --line:rgba(255,255,255,.08);
  --line-strong:rgba(63,169,255,.35);
  --radius:16px;
  --radius-lg:24px;
  --radius-btn:10px;
  --shadow:0 8px 24px rgba(0,0,0,.22);
  --glow:0 0 0 1px rgba(63,169,255,.3),0 0 22px rgba(30,127,255,.35),inset 0 1px 0 rgba(255,255,255,.2);
}
*{box-sizing:border-box}
html{scroll-behavior:smooth}
body{
  margin:0;
  background:var(--bg);
  color:var(--text);
  font-family:system-ui,-apple-system,BlinkMacSystemFont,"PingFang SC","Hiragino Sans GB","Microsoft YaHei",sans-serif;
  line-height:1.85;
  -webkit-font-smoothing:antialiased;
  text-rendering:optimizeLegibility;
  font-feature-settings:"tnum";
}
img{max-width:100%;display:block}
a{color:inherit;text-decoration:none}
button{font-family:inherit;cursor:pointer}
ul,ol,h1,h2,h3,h4,p,figure{margin:0;padding:0}
input,textarea,select{font-family:inherit}
.wrap{max-width:1280px;margin:0 auto;padding-left:32px;padding-right:32px}
.btn{
  display:inline-flex;align-items:center;justify-content:center;gap:8px;
  padding:12px 22px;border-radius:var(--radius-btn);
  font-weight:600;font-size:.96rem;line-height:1.2;border:1px solid transparent;
  transition:transform .18s ease,box-shadow .18s ease,background .18s ease,border-color .18s ease,color .18s ease;
  white-space:nowrap;user-select:none;
}
.btn:active{transform:scale(.98)}
.btn-primary{
  color:#fff;background:linear-gradient(135deg,#1E7FFF 0%,#278CFF 55%,#1282FF 100%);
  border-color:rgba(255,255,255,.16);
  box-shadow:0 10px 24px rgba(0,0,0,.24),0 0 0 1px rgba(63,169,255,.2),0 0 20px rgba(30,127,255,.18);
}
.btn-primary:hover{
  background:linear-gradient(135deg,#3FA9FF 0%,#1E7FFF 100%);
  box-shadow:0 12px 30px rgba(0,0,0,.3),0 0 0 1px rgba(63,169,255,.45),0 0 30px rgba(63,169,255,.3);
  transform:translateY(-1px);
}
.btn-secondary{
  color:var(--text);background:rgba(255,255,255,.06);
  border-color:rgba(255,255,255,.14);
  backdrop-filter:blur(14px);
}
.btn-secondary:hover{
  background:rgba(30,127,255,.14);
  border-color:rgba(63,169,255,.6);
  box-shadow:0 0 20px rgba(30,127,255,.2);
  transform:translateY(-1px);
}
a:focus-visible,button:focus-visible,input:focus-visible,textarea:focus-visible,.nav-toggle:focus-visible{outline:2px solid var(--signal);outline-offset:3px}
.site-header{
  position:sticky;top:0;z-index:80;
  background:rgba(7,17,31,.78);
  border-bottom:1px solid var(--line);
  backdrop-filter:blur(14px);
}
.header-inner{
  display:flex;align-items:center;gap:28px;min-height:68px;
}
.brand{display:inline-flex;align-items:center;gap:10px;flex-shrink:0}
.brand-mark{
  width:40px;height:40px;border-radius:13px;display:inline-flex;align-items:center;justify-content:center;
  font-size:1.2rem;font-weight:800;color:#fff;
  background:linear-gradient(135deg,#1E7FFF,#22E6C8);
  box-shadow:0 0 0 1px rgba(255,255,255,.12),0 4px 18px rgba(30,127,255,.35);
}
.brand-text{
  font-size:1.32rem;font-weight:800;letter-spacing:-.01em;
  color:#fff;white-space:nowrap;
}
.brand-text:hover{color:var(--brand-light)}
.primary-nav{
  margin-left:auto;display:flex;align-items:center;gap:6px;
}
.nav-link{
  display:inline-flex;align-items:center;padding:10px 15px;border-radius:10px;
  color:var(--muted);font-weight:500;font-size:.96rem;line-height:1.2;
  transition:background .2s,color .2s,box-shadow .2s;position:relative;
}
.nav-link:hover{
  color:#fff;background:rgba(255,255,255,.06);
  box-shadow:inset 0 0 0 1px rgba(255,255,255,.08);
}
.nav-link.active{
  color:#fff;background:rgba(30,127,255,.14);
  box-shadow:inset 0 0 0 1px rgba(63,169,255,.24);
}
.nav-link.active::after{
  content:"";position:absolute;left:16px;right:16px;bottom:3px;height:2px;
  border-radius:99px;background:linear-gradient(90deg,var(--brand-light),var(--signal));
}
.nav-actions{margin-left:14px;display:flex;align-items:center;gap:10px}
.nav-cta{padding:10px 18px;font-size:.9rem}
.header-status{
  display:inline-flex;align-items:center;gap:7px;padding:6px 12px;
  background:rgba(34,230,200,.08);border:1px solid rgba(34,230,200,.22);
  color:#D9FFF7;font-size:.8rem;border-radius:999px;
}
.status-dot{width:7px;height:7px;border-radius:50%;background:var(--signal);box-shadow:0 0 10px var(--signal)}
.nav-toggle{
  display:none;width:42px;height:42px;align-items:center;justify-content:center;gap:5px;
  flex-direction:column;background:rgba(255,255,255,.06);
  border:1px solid rgba(255,255,255,.1);border-radius:10px;
}
.nav-toggle span{display:block;width:20px;height:2px;background:#fff;border-radius:99px;transition:.3s}
.article-banner{
  position:relative;
  padding:108px 0 84px;
  overflow:hidden;
  border-bottom:1px solid var(--line);
  background:
    linear-gradient(100deg,rgba(7,17,31,.72) 0%,rgba(7,17,31,.88) 62%,rgba(12,24,40,.62) 100%),
    url('/assets/images/backpic/back-2.png') center/cover no-repeat,
    var(--bg-deep);
}
.article-banner::before{
  content:"";position:absolute;inset:0;pointer-events:none;
  background-image:radial-gradient(rgba(255,255,255,.035) 1px,transparent 1px);
  background-size:32px 32px;
}
.article-banner::after{
  content:"";position:absolute;right:-120px;top:-160px;width:460px;height:460px;
  border-radius:50%;background:radial-gradient(circle,rgba(30,127,255,.26),transparent 68%);
  pointer-events:none;
}
.banner-inner{position:relative;z-index:2;max-width:1160px}
.breadcrumb{
  display:flex;align-items:center;flex-wrap:wrap;gap:8px;
  color:var(--muted-2);font-size:.88rem;margin-bottom:30px;
}
.breadcrumb a{color:var(--muted);transition:color .2s}
.breadcrumb a:hover{color:var(--signal)}
.crumb-sep{opacity:.5}
.banner-kicker{
  display:inline-flex;align-items:center;gap:8px;
  color:var(--signal);font-weight:700;font-size:.86rem;letter-spacing:.04em;
  background:rgba(34,230,200,.08);border:1px solid rgba(34,230,200,.2);
  padding:7px 16px;border-radius:999px;margin-bottom:20px;
}
.dot-online{width:8px;height:8px;border-radius:50%;background:var(--signal);display:inline-block;box-shadow:0 0 12px var(--signal)}
.article-h1{
  max-width:1040px;font-size:clamp(2.05rem,4.6vw,3.7rem);
  line-height:1.24;letter-spacing:-.02em;font-weight:800;color:#fff;
  margin-bottom:20px;
}
.article-desc-lead{
  max-width:880px;color:#C7D9F0;font-size:1rem;line-height:1.9;
  margin-bottom:32px;
}
.article-meta-row{
  display:flex;align-items:center;flex-wrap:wrap;gap:10px 22px;
  color:var(--muted);font-size:.94rem;
}
.meta-pill{
  display:inline-flex;align-items:center;gap:8px;
  background:rgba(30,127,255,.14);border:1px solid rgba(63,169,255,.28);
  color:#DCEBFF;padding:5px 13px;border-radius:999px;font-size:.84rem;font-weight:600;
}
.meta-item{display:inline-flex;align-items:center;gap:8px}
.meta-item i{color:var(--signal);opacity:.9}
.article-main{
  background:var(--bg);
  background-image:radial-gradient(circle at 75% 10%,rgba(30,127,255,.07),transparent 28%);
}
.article-body-section{padding:76px 0 84px}
.article-read-wrap{display:flex;justify-content:center}
.article-panel{
  width:100%;max-width:84ch;
  background:linear-gradient(180deg,rgba(15,29,48,.66),rgba(10,21,38,.86));
  border:1px solid var(--line);border-radius:var(--radius-lg);
  padding:58px clamp(24px,5vw,64px);
  box-shadow:var(--shadow),inset 0 1px 0 rgba(255,255,255,.04);
  position:relative;
}
.article-panel::before{
  content:"";position:absolute;top:0;left:10%;right:10%;height:1px;
  background:linear-gradient(90deg,transparent,rgba(63,169,255,.7),transparent);
}
.article-content{font-size:1.0625rem;line-height:1.9;color:#D0DCEE}
.article-content p{margin-bottom:1.75em}
.article-content h2{
  font-size:clamp(1.45rem,2.6vw,1.9rem);font-weight:750;
  color:#fff;margin:2.2em 0 .85em;line-height:1.38;letter-spacing:-.015em;
  padding-left:16px;border-left:4px solid var(--brand-light);border-radius:2px;
}
.article-content h3{
  font-size:1.35rem;font-weight:650;color:#F4F8FF;
  margin:1.9em 0 .7em;line-height:1.45;
}
.article-content h4{
  font-size:1.12rem;font-weight:600;color:#fff;margin:1.5em 0 .6em;
}
.article-content blockquote{
  margin:2em 0;padding:18px 24px;border-radius:14px;
  background:rgba(30,127,255,.1);border:1px solid rgba(63,169,255,.26);
  color:#DBE8FA;font-size:1rem;
}
.article-content blockquote p:last-child{margin-bottom:0}
.article-content a{color:#6BB8FF;border-bottom:1px solid rgba(63,169,255,.5);transition:.2s}
.article-content a:hover{color:#fff;border-color:#fff}
.article-content ul,.article-content ol{margin:0 0 1.7em;padding-left:1.45em}
.article-content li{margin-bottom:.55em;padding-left:.25em}
.article-content ul li::marker{color:var(--signal)}
.article-content ol li::marker{color:var(--brand-light);font-weight:700}
.article-content img{
  border-radius:18px;margin:2.2em auto;border:1px solid rgba(255,255,255,.1);
  box-shadow:0 16px 40px rgba(0,0,0,.3);
}
.article-content img+em{
  display:block;text-align:center;font-style:normal;color:var(--muted-2);font-size:.86rem;margin-top:-1.6em;margin-bottom:2em;
}
.article-content code{
  font-family:ui-monospace,SFMono-Regular,Menlo,Consolas,monospace;
  background:rgba(255,255,255,.09);padding:.2em .45em;border-radius:6px;font-size:.92em;color:#BDE3FF;
}
.article-content pre{
  background:#081422;border:1px solid rgba(255,255,255,.1);
  border-radius:16px;padding:20px;overflow-x:auto;margin:0 0 1.8em;
}
.article-content pre code{background:transparent;padding:0}
.article-content table{
  width:100%;border-collapse:separate;border-spacing:0;
  margin:2em 0;border:1px solid rgba(255,255,255,.1);
  border-radius:14px;overflow:hidden;font-size:.94rem;
}
.article-content th{
  background:rgba(30,127,255,.1);color:#fff;font-weight:650;text-align:left;
  padding:13px 14px;border-bottom:1px solid rgba(255,255,255,.09);
}
.article-content td{
  padding:13px 14px;border-bottom:1px solid rgba(255,255,255,.06);color:#C4D3E4;
}
.article-content tr:last-child td{border-bottom:0}
.article-content tr:hover td{background:rgba(255,255,255,.025)}
.article-content hr{
  border:0;height:1px;margin:3em 0;
  background:linear-gradient(90deg,transparent,rgba(63,169,255,.5),transparent);
}
.article-source-note{
  margin-top:52px;padding:20px 24px;border-radius:18px;
  background:rgba(255,255,255,.04);border:1px solid rgba(255,255,255,.08);
  color:var(--muted);display:flex;align-items:flex-start;gap:14px;font-size:.93rem;
}
.article-source-note i{color:var(--signal);font-size:1.2rem;line-height:1.4}
.not-found-box{
  max-width:760px;width:100%;margin:0 auto;text-align:center;
  background:rgba(12,24,40,.68);border:1px solid var(--line);border-radius:24px;
  padding:64px 32px;box-shadow:var(--shadow);
}
.not-found-icon{
  width:68px;height:68px;border-radius:22px;margin:0 auto 24px;
  display:flex;align-items:center;justify-content:center;font-size:1.8rem;font-weight:800;color:#fff;
  background:linear-gradient(135deg,#1E7FFF,#22E6C8);
  box-shadow:0 0 24px rgba(30,127,255,.35);
}
.not-found-box h2{font-size:1.9rem;font-weight:800;color:#fff;margin-bottom:12px}
.not-found-box p{color:var(--muted);max-width:480px;margin:0 auto 28px}
.nf-actions{display:flex;justify-content:center;gap:14px;flex-wrap:wrap}
.article-related{
  padding:84px 0 90px;position:relative;
  background:var(--bg-soft);
  border-top:1px solid var(--line);
  border-bottom:1px solid var(--line);
  background-image:radial-gradient(circle at 16% 0%,rgba(34,230,200,.05),transparent 32%);
}
.related-heading{display:flex;flex-direction:column;gap:10px;margin-bottom:42px}
.related-heading h2{
  font-size:clamp(1.7rem,3vw,2.4rem);font-weight:800;color:#fff;letter-spacing:-.015em;
}
.related-heading p{color:var(--muted);font-size:1rem;max-width:640px}
.related-grid{display:grid;grid-template-columns:repeat(2,1fr);gap:28px;align-items:stretch}
.related-card{
  display:flex;flex-direction:column;
  background:rgba(255,255,255,.04);
  border:1px solid var(--line);border-radius:22px;overflow:hidden;
  transition:transform .24s ease,border-color .24s ease,box-shadow .24s ease;
}
.related-card:hover{
  transform:translateY(-6px);
  border-color:rgba(63,169,255,.46);
  box-shadow:0 20px 40px rgba(0,0,0,.26),0 0 0 1px rgba(63,169,255,.16);
}
.related-cover{position:relative;overflow:hidden}
.related-cover img{width:100%;aspect-ratio:16/9;object-fit:cover;transition:transform .4s ease}
.related-card:hover .related-cover img{transform:scale(1.04)}
.related-cover::after{
  content:"";position:absolute;inset:auto 0 0 0;height:40%;
  background:linear-gradient(transparent,rgba(4,11,20,.74));
}
.related-body{display:flex;flex-direction:column;flex:1;padding:24px 26px 28px}
.related-tag{
  align-self:flex-start;
  color:var(--brand-light);background:rgba(30,127,255,.12);
  border:1px solid rgba(63,169,255,.26);
  font-size:.8rem;font-weight:700;padding:4px 12px;border-radius:999px;margin-bottom:12px;
  letter-spacing:.02em;
}
.related-body h3{font-size:1.45rem;font-weight:750;color:#fff;margin-bottom:10px;line-height:1.3}
.related-body p{color:var(--muted);font-size:.98rem;line-height:1.75;flex:1}
.related-more{
  display:inline-flex;align-items:center;gap:8px;font-weight:700;color:var(--signal);
  margin-top:18px;font-size:.94rem;
}
.related-more i{transition:transform .2s}
.related-card:hover .related-more i{transform:translateX(5px)}
.site-footer{border-top:1px solid rgba(255,255,255,.08);background:var(--bg-deep)}
.footer-grid{display:grid;grid-template-columns:1.5fr 1fr 1fr 1.4fr;gap:52px;padding:74px 0 46px}
.footer-brand{display:flex;flex-direction:column;align-items:flex-start;gap:18px}
.footer-about{color:var(--muted-2);font-size:.95rem;line-height:1.85;max-width:360px}
.site-footer h4{
  font-size:1rem;font-weight:750;color:#fff;letter-spacing:.04em;margin-bottom:20px;
  padding-bottom:10px;position:relative;
}
.site-footer h4::after{content:"";position:absolute;left:0;bottom:0;width:24px;height:2px;background:var(--signal);border-radius:99px}
.footer-links{list-style:none;display:flex;flex-direction:column;gap:11px}
.footer-links a{
  color:var(--muted);font-size:.94rem;transition:color .2s,padding-left .2s;
  border-radius:6px;
}
.footer-links a:hover{color:var(--signal);padding-left:5px}
.footer-contact{display:flex;flex-direction:column;gap:12px;color:var(--muted);font-size:.92rem;line-height:1.7}
.footer-contact a{color:#8FBCFF;border-bottom:1px solid rgba(63,169,255,.35);transition:.2s}
.footer-contact a:hover{color:#fff;border-color:#fff}
.footer-bottom{
  border-top:1px solid rgba(255,255,255,.06);
  padding:22px 0;background:#03070D;
}
.footer-bottom-inner{
  display:flex;align-items:center;justify-content:space-between;gap:14px;
  flex-wrap:wrap;color:var(--muted-2);font-size:.85rem;
}
@media (max-width:1024px){
  .wrap{padding-left:24px;padding-right:24px}
  .header-inner{gap:16px}
  .primary-nav{gap:2px}
  .nav-link{padding:9px 11px;font-size:.92rem}
  .nav-cta{display:none}
  .footer-grid{grid-template-columns:repeat(2,1fr);gap:40px}
  .article-banner{padding:86px 0 60px}
  .article-panel{padding:38px 30px}
}
@media (max-width:767px){
  .wrap{padding-left:20px;padding-right:20px}
  .brand-text{font-size:1.08rem}
  .brand-mark{width:34px;height:34px;font-size:1rem;border-radius:10px}
  .primary-nav{
    position:absolute;top:68px;left:0;right:0;margin-left:0;
    display:none;flex-direction:column;align-items:stretch;gap:4px;
    background:rgba(7,17,31,.98);padding:14px 20px 20px;
    border-bottom:1px solid var(--line);
  }
  .primary-nav.open{display:flex}
  .nav-toggle{display:inline-flex;margin-left:10px}
  .nav-actions{margin-left:auto}
  .header-status{display:none}
  .nav-link{justify-content:center;padding:13px 10px}
  .article-banner{padding:64px 0 48px}
  .article-h1{font-size:2.15rem}
  .article-desc-lead{font-size:.95rem}
  .article-body-section{padding:50px 0 58px}
  .article-panel{border-radius:18px;padding:28px 20px}
  .article-content{font-size:1rem}
  .article-content h2{border-left-width:3px;padding-left:12px}
  .related-grid{grid-template-columns:1fr}
  .related-heading{margin-bottom:28px}
  .nf-actions{flex-direction:column;align-items:center}
  .nf-actions .btn{width:100%;max-width:320px}
  .site-footer{padding-top:20px}
  .footer-grid{grid-template-columns:1fr;gap:36px;padding:54px 0 36px}
  .footer-bottom-inner{flex-direction:column;text-align:center}
}
@media (max-width:480px){
  .wrap{padding-left:16px;padding-right:16px}
  .header-inner{gap:10px}
  .brand-text{font-size:1rem}
  .brand-mark{width:32px;height:32px;font-size:.92rem}
  .article-h1{font-size:1.85rem;line-height:1.3}
  .article-meta-row{gap:8px 16px;font-size:.88rem}
  .article-meta-row .meta-pill{padding:3px 10px;font-size:.8rem}
  .article-related{padding:58px 0 66px}
  .related-body{padding:20px 18px 24px}
  .related-body h3{font-size:1.25rem}
}

/* roulang page: category1 */
/* ========== 设计变量 ========== */
        :root {
            --bg: #07111F;
            --bg-2: #0C1828;
            --text: #EEF4FF;
            --text-2: #A9BFD9;
            --text-3: #6B7F99;
            --brand: #1E7FFF;
            --brand-light: #3FA9FF;
            --signal: #22E6C8;
            --line: rgba(255, 255, 255, 0.08);
            --line-2: rgba(255, 255, 255, 0.16);
            --glass: rgba(255, 255, 255, 0.06);
            --card-radius: 16px;
            --lg-radius: 24px;
            --space: 96px;
            --shadow: 0 8px 24px rgba(0, 0, 0, 0.22);
        }

        /* ========== 基础重置 ========== */
        * {
            box-sizing: border-box;
        }
        html {
            scroll-behavior: smooth;
            scroll-padding-top: 96px;
        }
        body {
            margin: 0;
            background: var(--bg);
            color: var(--text);
            font-family: system-ui, -apple-system, BlinkMacSystemFont, "PingFang SC", "Microsoft YaHei", "Segoe UI", sans-serif;
            font-size: 1.0625rem;
            line-height: 1.85;
            -webkit-font-smoothing: antialiased;
        }
        img {
            max-width: 100%;
            display: block;
        }
        a {
            color: inherit;
            text-decoration: none;
        }
        h1,
        h2,
        h3,
        h4 {
            margin: 0;
            line-height: 1.3;
        }
        p {
            margin: 0;
        }
        ul,
        ol {
            margin: 0;
            padding: 0;
            list-style: none;
        }
        button,
        input,
        select,
        textarea {
            font: inherit;
            color: inherit;
        }
        :focus-visible {
            outline: 2px solid var(--signal);
            outline-offset: 3px;
        }

        /* ========== 容器 / 排版 ========== */
        .container {
            width: 100%;
            max-width: 1280px;
            margin-inline: auto;
            padding-inline: 32px;
        }
        .section {
            padding-block: var(--space);
            position: relative;
        }
        .section-alt {
            background: linear-gradient(180deg, rgba(12, 24, 40, 0.32), rgba(7, 17, 31, 0.2) 38%, rgba(12, 24, 40, 0.24));
        }
        .section-inner {
            max-width: 1100px;
        }
        .eyebrow {
            display: inline-flex;
            align-items: center;
            gap: 8px;
            font-size: 0.8rem;
            font-weight: 600;
            letter-spacing: 0.08em;
            color: var(--signal);
            text-transform: none;
        }
        .section-heading {
            display: flex;
            align-items: flex-end;
            justify-content: space-between;
            gap: 32px;
            margin-bottom: 44px;
        }
        .section-heading .section-lead {
            max-width: 640px;
            color: var(--text-2);
            font-size: 1.02rem;
        }
        .section-title {
            font-size: clamp(1.9rem, 3.2vw, 2.5rem);
            font-weight: 800;
            letter-spacing: -0.02em;
            margin-top: 10px;
        }
        .section-title em {
            font-style: normal;
            color: var(--brand-light);
        }
        .section-lead {
            margin-top: 12px;
            color: var(--text-2);
        }
        .badge {
            display: inline-flex;
            align-items: center;
            gap: 8px;
            background: rgba(30, 127, 255, 0.12);
            border: 1px solid rgba(63, 169, 255, 0.25);
            color: #BFD9FF;
            border-radius: 999px;
            padding: 6px 14px;
            font-size: 0.8rem;
            font-weight: 600;
            letter-spacing: 0.02em;
        }
        .badge-mint {
            background: rgba(34, 230, 200, 0.1);
            border-color: rgba(34, 230, 200, 0.3);
            color: #8AF2E3;
        }
        .status-dot {
            width: 7px;
            height: 7px;
            border-radius: 50%;
            background: var(--signal);
            box-shadow: 0 0 0 4px rgba(34, 230, 200, 0.12);
        }
        .status-dot-blue {
            background: var(--brand-light);
            box-shadow: 0 0 0 4px rgba(63, 169, 255, 0.12);
        }
        .text-glow {
            color: var(--signal);
        }

        /* ========== 按钮 ========== */
        .btn {
            display: inline-flex;
            align-items: center;
            justify-content: center;
            gap: 10px;
            border-radius: 10px;
            font-weight: 700;
            font-size: 0.96rem;
            padding: 13px 22px;
            line-height: 1;
            transition: transform .18s ease, box-shadow .25s ease, background .2s ease, letter-spacing .2s ease;
            cursor: pointer;
            border: 0;
        }
        .btn:active {
            transform: scale(0.97);
        }
        .btn-primary {
            color: #fff;
            background: linear-gradient(135deg, #1E7FFF, #2F8FFF 56%, #34B6FF);
            box-shadow: 0 0 0 1px rgba(63, 169, 255, 0.3), 0 0 22px rgba(30, 127, 255, 0.28), inset 0 1px 0 rgba(255, 255, 255, 0.2);
        }
        .btn-primary:hover {
            background: linear-gradient(135deg, #2E8CFF, #45A0FF 62%, #4CC8FF);
            letter-spacing: 0.012em;
            box-shadow: 0 0 0 1px rgba(63, 169, 255, 0.42), 0 0 30px rgba(30, 127, 255, 0.4), inset 0 1px 0 rgba(255, 255, 255, 0.24);
            transform: translateY(-1px);
        }
        .btn-ghost {
            background: rgba(255, 255, 255, 0.06);
            border: 1px solid rgba(255, 255, 255, 0.16);
            color: var(--text);
            backdrop-filter: blur(12px);
        }
        .btn-ghost:hover {
            background: rgba(255, 255, 255, 0.1);
            border-color: rgba(63, 169, 255, 0.5);
            color: #fff;
        }
        .btn-sm {
            padding: 9px 14px;
            font-size: 0.86rem;
        }
        .link-arrow {
            display: inline-flex;
            align-items: center;
            gap: 5px;
            color: var(--brand-light);
            font-weight: 600;
            font-size: 0.92rem;
            transition: gap .2s, color .2s;
        }
        .link-arrow:hover {
            gap: 9px;
            color: #6bbaff;
        }
        .btn-row {
            display: flex;
            flex-wrap: wrap;
            gap: 14px;
            margin-top: 28px;
        }

        /* ========== 导航 ========== */
        .site-header {
            position: sticky;
            top: 0;
            z-index: 90;
            background: rgba(7, 17, 31, 0.8);
            border-bottom: 1px solid var(--line);
            backdrop-filter: blur(14px);
        }
        .nav-wrap {
            display: flex;
            align-items: center;
            justify-content: space-between;
            gap: 16px;
            min-height: 68px;
        }
        .brand {
            display: inline-flex;
            align-items: center;
            gap: 10px;
            min-width: 0;
        }
        .brand-mark {
            flex: none;
            width: 34px;
            height: 34px;
            border-radius: 11px;
            display: grid;
            place-items: center;
            background: linear-gradient(135deg, #1E7FFF, #22E6C8);
            color: #fff;
            font-weight: 800;
            font-size: 19px;
            box-shadow: 0 0 18px rgba(30, 127, 255, 0.25);
        }
        .brand-text {
            font-weight: 800;
            font-size: 1.14rem;
            white-space: nowrap;
            letter-spacing: 0.01em;
        }
        .nav-center {
            display: flex;
            align-items: center;
            gap: 4px;
            background: rgba(255, 255, 255, 0.035);
            border: 1px solid rgba(255, 255, 255, 0.06);
            padding: 4px;
            border-radius: 999px;
        }
        .nav-link {
            display: inline-flex;
            align-items: center;
            justify-content: center;
            padding: 7px 16px;
            border-radius: 999px;
            color: var(--text-2);
            font-size: 0.92rem;
            font-weight: 600;
            transition: background .2s, color .2s, box-shadow .2s;
        }
        .nav-link:hover {
            color: #fff;
            background: rgba(255, 255, 255, 0.08);
        }
        .nav-link.active {
            color: #fff;
            background: linear-gradient(135deg, rgba(30, 127, 255, 0.28), rgba(34, 230, 200, 0.12));
            box-shadow: inset 0 0 0 1px rgba(63, 169, 255, 0.36);
        }
        .nav-extra {
            display: flex;
            align-items: center;
            gap: 14px;
        }
        .header-status {
            display: inline-flex;
            align-items: center;
            gap: 8px;
            color: #B6F7FF;
            font-size: 0.8rem;
            font-weight: 600;
            background: rgba(34, 230, 200, 0.08);
            border: 1px solid rgba(34, 230, 200, 0.22);
            border-radius: 999px;
            padding: 6px 11px;
        }
        .nav-cta {
            padding: 9px 17px;
            font-size: 0.9rem;
        }
        .nav-toggle {
            display: none;
            width: 42px;
            height: 42px;
            border-radius: 12px;
            border: 1px solid rgba(255, 255, 255, 0.12);
            background: rgba(255, 255, 255, 0.05);
            align-items: center;
            justify-content: center;
            flex-direction: column;
            gap: 5px;
        }
        .nav-toggle span {
            display: block;
            width: 18px;
            height: 2px;
            background: var(--text);
            border-radius: 2px;
            transition: all .2s;
        }
        .nav-toggle.is-open span:nth-child(1) {
            transform: translateY(7px) rotate(45deg);
        }
        .nav-toggle.is-open span:nth-child(2) {
            opacity: 0;
        }
        .nav-toggle.is-open span:nth-child(3) {
            transform: translateY(-7px) rotate(-45deg);
        }
        .mobile-menu {
            display: none;
            max-height: 0;
            overflow: hidden;
            background: rgba(8, 17, 31, 0.96);
            transition: max-height .25s ease;
        }
        .mobile-menu.open {
            max-height: 360px;
        }
        .mobile-menu-inner {
            display: grid;
            gap: 8px;
            padding: 16px 24px 22px;
        }
        .mobile-menu-inner .nav-link {
            justify-content: flex-start;
            padding: 12px 16px;
            border-radius: 12px;
            background: transparent;
        }
        .mobile-menu-inner .nav-link.active {
            background: rgba(30, 127, 255, 0.18);
        }
        .mobile-menu-inner .btn {
            margin-top: 8px;
        }

        /* ========== 分类页横幅 ========== */
        .cat-banner {
            position: relative;
            padding: 66px 0 84px;
            background:
                radial-gradient(circle at 9% 12%, rgba(30, 127, 255, 0.18), transparent 24%),
                radial-gradient(circle at 84% 4%, rgba(34, 230, 200, 0.08), transparent 18%),
                linear-gradient(rgba(7, 17, 31, 0.76), rgba(7, 17, 31, 0.92)),
                url('/assets/images/backpic/back-1.png') center/cover no-repeat;
            border-bottom: 1px solid var(--line);
        }
        .cat-banner::after {
            content: "";
            position: absolute;
            inset: auto 8% 0 6%;
            height: 1px;
            background: linear-gradient(90deg, transparent, rgba(34, 230, 200, 0.45), rgba(63, 169, 255, 0.55), transparent);
        }
        .breadcrumbs {
            display: flex;
            align-items: center;
            flex-wrap: wrap;
            gap: 8px;
            font-size: 0.84rem;
            color: var(--text-3);
            margin-bottom: 24px;
        }
        .breadcrumbs a {
            color: var(--text-2);
            transition: color .2s;
        }
        .breadcrumbs a:hover {
            color: #fff;
        }
        .banner-grid {
            display: grid;
            grid-template-columns: 1.2fr 0.8fr;
            gap: 56px;
            align-items: center;
        }
        .banner-title {
            font-size: clamp(2.2rem, 5vw, 3.2rem);
            line-height: 1.16;
            font-weight: 800;
            letter-spacing: -0.025em;
            margin: 16px 0 20px;
        }
        .banner-title span {
            color: var(--brand-light);
        }
        .banner-desc {
            color: var(--text-2);
            font-size: 1.05rem;
            max-width: 640px;
        }
        .banner-platforms {
            display: flex;
            flex-wrap: wrap;
            gap: 10px;
            margin-top: 24px;
        }
        .banner-platforms span {
            background: rgba(255, 255, 255, 0.06);
            border: 1px solid rgba(255, 255, 255, 0.09);
            border-radius: 999px;
            padding: 6px 13px;
            font-size: 0.84rem;
            color: #c4d6ef;
        }
        .download-card {
            border-radius: 22px;
            border: 1px solid rgba(63, 169, 255, 0.28);
            background: rgba(255, 255, 255, 0.05);
            backdrop-filter: blur(14px);
            box-shadow: var(--shadow);
            overflow: hidden;
        }
        .download-card-head {
            display: flex;
            align-items: center;
            justify-content: space-between;
            padding: 16px 18px;
            border-bottom: 1px solid var(--line);
            font-size: 0.84rem;
            font-weight: 700;
            color: var(--text-2);
        }
        .download-card-body {
            padding: 22px 20px 24px;
            display: grid;
            gap: 18px;
        }
        .download-card-title {
            font-size: 1.46rem;
            font-weight: 800;
            line-height: 1.3;
        }
        .download-card-row {
            display: flex;
            justify-content: space-between;
            align-items: center;
            font-size: 0.88rem;
            color: var(--text-2);
            padding-bottom: 10px;
            border-bottom: 1px dashed rgba(255, 255, 255, 0.1);
        }
        .download-card-row strong {
            color: #fff;
            font-weight: 600;
        }
        .download-card .btn {
            width: 100%;
        }

        /* ========== 目录锚点 ========== */
        .anchor-bar {
            background: rgba(12, 24, 40, 0.72);
            border-bottom: 1px solid var(--line);
            padding: 16px 0;
            backdrop-filter: blur(10px);
        }
        .anchor-inner {
            display: flex;
            align-items: center;
            justify-content: space-between;
            gap: 12px;
            flex-wrap: wrap;
        }
        .anchor-links {
            display: flex;
            flex-wrap: wrap;
            gap: 6px 20px;
        }
        .anchor-links a {
            color: var(--text-2);
            font-size: 0.9rem;
            font-weight: 600;
            transition: color .2s;
        }
        .anchor-links a:hover {
            color: var(--signal);
        }
        .anchor-tip {
            color: var(--text-3);
            font-size: 0.82rem;
        }

        /* ========== 宽幅视觉卡 ========== */
        .visual-card {
            display: grid;
            grid-template-columns: 1.08fr 0.92fr;
            border-radius: var(--lg-radius);
            border: 1px solid var(--line-2);
            background: rgba(255, 255, 255, 0.045);
            overflow: hidden;
            box-shadow: var(--shadow);
        }
        .visual-card-media {
            min-height: 320px;
            background: linear-gradient(135deg, rgba(30, 127, 255, 0.1), rgba(12, 24, 40, 0.88));
        }
        .visual-card-media img {
            width: 100%;
            height: 100%;
            object-fit: cover;
            aspect-ratio: 16 / 10;
        }
        .visual-card-body {
            padding: 42px 36px;
            display: flex;
            flex-direction: column;
            justify-content: center;
        }
        .visual-list {
            display: grid;
            gap: 16px;
            margin-top: 22px;
        }
        .visual-list li {
            display: flex;
            align-items: flex-start;
            gap: 12px;
            color: var(--text-2);
        }
        .visual-list li::before {
            content: "";
            flex: none;
            width: 8px;
            height: 8px;
            border-radius: 50%;
            background: var(--signal);
            margin-top: 11px;
            box-shadow: 0 0 10px rgba(34, 230, 200, 0.5);
        }

        /* ========== 数据横条 ========== */
        .stat-strip {
            display: grid;
            grid-template-columns: repeat(4, 1fr);
            border-radius: 20px;
            border: 1px solid var(--line);
            background: rgba(255, 255, 255, 0.03);
            margin-top: 40px;
            overflow: hidden;
        }
        .stat-point {
            padding: 22px 16px;
            text-align: center;
            border-right: 1px solid var(--line);
        }
        .stat-point:last-child {
            border-right: 0;
        }
        .stat-point strong {
            display: block;
            font-size: 1.9rem;
            font-weight: 800;
            color: #fff;
            letter-spacing: -0.02em;
            font-feature-settings: "tnum";
            line-height: 1.1;
        }
        .stat-point span {
            color: var(--text-3);
            font-size: 0.82rem;
        }

        /* ========== 文档式条目列表 ========== */
        .doc-panel {
            border: 1px solid var(--line-2);
            background: rgba(12, 24, 40, 0.3);
            border-radius: 20px;
            overflow: hidden;
        }
        .doc-row {
            display: grid;
            grid-template-columns: 56px 1fr auto;
            gap: 20px;
            align-items: center;
            padding: 24px 22px;
            border-bottom: 1px solid var(--line);
            transition: background .2s;
        }
        .doc-row:last-child {
            border-bottom: 0;
        }
        .doc-row:hover {
            background: rgba(255, 255, 255, 0.03);
        }
        .doc-icon {
            width: 50px;
            height: 50px;
            border-radius: 14px;
            display: grid;
            place-items: center;
            background: rgba(30, 127, 255, 0.11);
            color: #8abfff;
            font-weight: 800;
            font-size: 1rem;
            border: 1px solid rgba(63, 169, 255, 0.2);
        }
        .doc-main {
            min-width: 0;
        }
        .doc-title {
            display: flex;
            align-items: center;
            gap: 10px;
            font-size: 1.06rem;
            font-weight: 700;
            color: #fff;
        }
        .doc-desc {
            color: var(--text-2);
            font-size: 0.93rem;
            margin-top: 5px;
        }
        .doc-meta {
            text-align: right;
            display: flex;
            flex-direction: column;
            align-items: flex-end;
            gap: 9px;
        }
        .meta-tag {
            display: inline-flex;
            align-items: center;
            gap: 6px;
            font-size: 0.78rem;
            border-radius: 999px;
            padding: 4px 10px;
            color: #a6e8ff;
            background: rgba(34, 230, 200, 0.07);
            border: 1px solid rgba(34, 230, 200, 0.18);
        }
        .meta-tag.dim {
            color: var(--text-2);
            background: rgba(255, 255, 255, 0.05);
            border-color: rgba(255, 255, 255, 0.1);
        }

        /* ========== 平台入口行 ========== */
        .platform-row {
            display: grid;
            grid-template-columns: 66px 1fr auto;
            gap: 22px;
            align-items: center;
            padding: 26px 22px;
            background: rgba(255, 255, 255, 0.025);
            border: 1px solid var(--line);
            border-radius: 18px;
            transition: border-color .25s, background .25s, transform .2s;
            margin-bottom: 14px;
        }
        .platform-row:hover {
            border-color: rgba(63, 169, 255, 0.36);
            background: rgba(255, 255, 255, 0.05);
            transform: translateY(-2px);
        }
        .platform-icon {
            width: 60px;
            height: 60px;
            border-radius: 18px;
            background: linear-gradient(145deg, rgba(30, 127, 255, 0.28), rgba(255, 255, 255, 0.06));
            border: 1px solid rgba(63, 169, 255, 0.32);
            display: grid;
            place-items: center;
            font-size: 1.5rem;
            font-weight: 800;
            color: #bcd8ff;
            box-shadow: inset 0 1px 0 rgba(255, 255, 255, 0.12);
        }
        .platform-info h3 {
            font-size: 1.15rem;
            font-weight: 750;
            color: #fff;
            margin-bottom: 5px;
        }
        .platform-info p {
            font-size: 0.92rem;
            color: var(--text-2);
            max-width: 700px;
        }
        .platform-tags {
            display: flex;
            flex-wrap: wrap;
            gap: 8px;
            margin-top: 8px;
        }
        .platform-tags span {
            padding: 3px 9px;
            border-radius: 8px;
            font-size: 0.74rem;
            border: 1px solid var(--line);
            background: rgba(255, 255, 255, 0.04);
            color: var(--text-2);
        }

        /* ========== 流程 ========== */
        .steps-grid {
            display: grid;
            grid-template-columns: repeat(4, 1fr);
            gap: 20px;
            counter-reset: step;
        }
        .step-card {
            position: relative;
            border-radius: 20px;
            border: 1px solid var(--line);
            background: rgba(255, 255, 255, 0.04);
            padding: 28px 22px 24px;
            transition: transform .2s, border-color .2s, box-shadow .25s;
        }
        .step-card::before {
            content: "";
            position: absolute;
            top: 30px;
            right: -20px;
            width: 100%;
            height: 1px;
            background: linear-gradient(90deg, rgba(63, 169, 255, 0.5), rgba(34, 230, 200, 0.08));
            pointer-events: none;
        }
        .steps-grid .step-card:last-child::before {
            display: none;
        }
        .step-card:hover {
            transform: translateY(-6px);
            border-color: rgba(63, 169, 255, 0.4);
        }
        .step-no {
            display: inline-grid;
            place-items: center;
            width: 42px;
            height: 42px;
            border-radius: 13px;
            background: rgba(30, 127, 255, 0.16);
            border: 1px solid rgba(63, 169, 255, 0.35);
            color: #8abfff;
            font-weight: 800;
            font-size: 1rem;
            font-feature-settings: "tnum";
            margin-bottom: 18px;
        }
        .step-card h3 {
            font-size: 1.1rem;
            font-weight: 700;
            color: #fff;
        }
        .step-card p {
            font-size: 0.9rem;
            color: var(--text-2);
            margin-top: 8px;
        }

        /* ========== 安全核验区 ========== */
        .verify-layout {
            display: grid;
            grid-template-columns: 1fr 1fr;
            gap: 20px;
        }
        .verify-panel {
            border-radius: 22px;
            padding: 30px 28px;
            background: rgba(255, 255, 255, 0.055);
            border: 1px solid rgba(34, 230, 200, 0.18);
            backdrop-filter: blur(12px);
        }
        .verify-panel.danger-panel {
            background: rgba(255, 255, 255, 0.04);
            border-color: rgba(255, 191, 91, 0.2);
        }
        .verify-panel h3 {
            display: flex;
            align-items: center;
            gap: 10px;
            font-size: 1.15rem;
            color: #fff;
            margin-bottom: 14px;
        }
        .verify-list {
            display: grid;
            gap: 12px;
        }
        .verify-list li {
            display: flex;
            gap: 11px;
            align-items: flex-start;
            color: var(--text-2);
            font-size: 0.94rem;
        }
        .verify-list li::before {
            content: "✓";
            flex: none;
            width: 20px;
            height: 20px;
            display: grid;
            place-items: center;
            border-radius: 50%;
            font-size: 12px;
            margin-top: 3px;
            background: rgba(34, 230, 200, 0.15);
            color: var(--signal);
            font-weight: 800;
        }
        .danger-list li::before {
            content: "!";
            background: rgba(255, 191, 91, 0.14);
            color: #ffc76e;
        }

        /* ========== FAQ ========== */
        .faq-wrap {
            max-width: 920px;
            margin: 0 auto;
            display: grid;
            gap: 14px;
        }
        .faq-item {
            border: 1px solid var(--line);
            background: rgba(255, 255, 255, 0.04);
            border-radius: 14px;
            overflow: hidden;
            transition: background .2s, border-color .2s;
        }
        .faq-item[open] {
            background: rgba(255, 255, 255, 0.07);
            border-color: rgba(63, 169, 255, 0.26);
        }
        .faq-item summary {
            display: flex;
            align-items: center;
            justify-content: space-between;
            gap: 20px;
            list-style: none;
            cursor: pointer;
            padding: 20px 24px;
            font-weight: 700;
            color: #fff;
        }
        .faq-item summary::-webkit-details-marker {
            display: none;
        }
        .faq-item summary::after {
            content: "+";
            flex: none;
            display: grid;
            place-items: center;
            width: 30px;
            height: 30px;
            border-radius: 50%;
            border: 1px solid var(--line-2);
            color: var(--text-2);
            font-size: 1.2rem;
            font-weight: 400;
            transition: transform .25s, background .2s, color .2s, border-color .2s;
        }
        .faq-item[open] summary {
            color: #fff;
        }
        .faq-item[open] summary::after {
            content: "−";
            transform: rotate(180deg);
            background: rgba(30, 127, 255, 0.18);
            color: #8abfff;
            border-color: rgba(63, 169, 255, 0.4);
        }
        .faq-item .faq-answer {
            padding: 0 24px 22px;
            color: var(--text-2);
            font-size: 0.95rem;
        }

        /* ========== CTA ========== */
        .cta-panel {
            position: relative;
            border-radius: var(--lg-radius);
            border: 1px solid rgba(63, 169, 255, 0.24);
            background:
                radial-gradient(circle at 87% 0%, rgba(34, 230, 200, 0.09), transparent 26%),
                radial-gradient(circle at 4% 78%, rgba(30, 127, 255, 0.16), transparent 28%),
                rgba(12, 24, 40, 0.62);
            padding: 46px;
            display: grid;
            grid-template-columns: 1fr auto;
            gap: 50px;
            align-items: center;
        }
        .cta-panel h2 {
            font-size: clamp(1.7rem, 3vw, 2.3rem);
            font-weight: 800;
            letter-spacing: -0.02em;
            margin-bottom: 12px;
        }
        .cta-panel p {
            color: var(--text-2);
            max-width: 620px;
        }
        .cta-actions {
            display: grid;
            gap: 14px;
            justify-items: stretch;
            min-width: 220px;
        }

        /* ========== 页脚 ========== */
        .site-footer {
            border-top: 1px solid var(--line);
            background: #08111F;
        }
        .site-footer .footer-top {
            padding: 60px 0 30px;
        }
        .footer-grid {
            display: grid;
            grid-template-columns: 2fr 0.9fr 0.9fr 1.5fr;
            gap: 42px;
        }
        .footer-brand .brand {
            margin-bottom: 14px;
        }
        .footer-about {
            color: var(--text-3);
            font-size: 0.88rem;
            max-width: 340px;
            margin-top: 14px;
        }
        .site-footer h4 {
            font-size: 1rem;
            margin-bottom: 16px;
            color: #fff;
            font-weight: 700;
        }
        .footer-links {
            display: grid;
            gap: 9px;
        }
        .footer-links a,
        .footer-contact {
            color: var(--text-2);
            font-size: 0.88rem;
            transition: color .2s;
        }
        .footer-links a:hover {
            color: var(--brand-light);
        }
        .footer-contact {
            display: grid;
            gap: 9px;
        }
        .footer-contact a {
            color: #7fc4ff;
        }
        .footer-bottom {
            border-top: 1px solid rgba(255, 255, 255, 0.07);
            padding: 18px 0;
            color: var(--text-3);
            font-size: 0.82rem;
        }
        .footer-bottom .container {
            display: flex;
            justify-content: space-between;
            gap: 20px;
            flex-wrap: wrap;
        }

        /* ========== 响应式 ========== */
        @media (max-width: 1024px) {
            :root {
                --space: 80px;
            }
            .container {
                padding-inline: 24px;
            }
            .nav-center {
                gap: 2px;
            }
            .nav-link {
                padding: 6px 11px;
                font-size: 0.85rem;
            }
            .header-status {
                display: none;
            }
            .banner-grid {
                grid-template-columns: 1fr 0.92fr;
                gap: 36px;
            }
            .steps-grid {
                grid-template-columns: repeat(2, 1fr);
                gap: 32px 18px;
            }
            .step-card::before {
                display: none;
            }
            .doc-row {
                grid-template-columns: 52px 1fr auto;
                gap: 16px;
            }
            .platform-row {
                grid-template-columns: 60px 1fr;
            }
            .platform-row .platform-action {
                grid-column: 2;
                justify-self: start;
            }
            .footer-grid {
                grid-template-columns: 1fr 1fr;
                gap: 32px;
            }
        }

        @media (max-width: 767px) {
            :root {
                --space: 64px;
            }
            .container {
                padding-inline: 20px;
            }
            .nav-center {
                display: none;
            }
            .nav-toggle {
                display: inline-flex;
            }
            .nav-cta {
                display: none;
            }
            .mobile-menu {
                display: block;
            }
            .brand-text {
                font-size: 1rem;
                white-space: normal;
            }
            .brand-mark {
                width: 32px;
                height: 32px;
            }
            .banner-grid {
                grid-template-columns: 1fr;
                gap: 32px;
            }
            .cat-banner {
                padding: 40px 0 56px;
            }
            .section-heading {
                display: block;
            }
            .section-heading .section-lead {
                margin-top: 12px;
            }
            .visual-card {
                grid-template-columns: 1fr;
            }
            .visual-card-body {
                padding: 30px 24px;
            }
            .stat-strip {
                grid-template-columns: repeat(2, 1fr);
            }
            .stat-point:nth-child(2) {
                border-right: 0;
            }
            .stat-point:nth-child(-n+2) {
                border-bottom: 1px solid var(--line);
            }
            .doc-row {
                grid-template-columns: 1fr;
                gap: 14px;
            }
            .doc-meta {
                flex-direction: row;
                align-items: center;
                justify-content: flex-start;
                text-align: left;
            }
            .platform-row {
                grid-template-columns: 52px 1fr;
                gap: 16px;
                padding: 20px 18px;
            }
            .platform-icon {
                width: 50px;
                height: 50px;
            }
            .steps-grid {
                grid-template-columns: 1fr;
            }
            .verify-layout {
                grid-template-columns: 1fr;
            }
            .cta-panel {
                grid-template-columns: 1fr;
                gap: 24px;
                padding: 30px 24px;
            }
            .cta-actions {
                min-width: 0;
            }
            .footer-grid {
                grid-template-columns: 1fr;
                gap: 30px;
            }
            .faq-item summary {
                padding: 16px 18px;
            }
            .faq-item .faq-answer {
                padding: 0 18px 18px;
            }
        }

/* roulang page: category2 */
:root {
    --bg: #07111F;
    --bg-2: #0C1828;
    --bg-3: #0A1524;
    --text: #EEF4FF;
    --text-2: #A9BFD9;
    --text-3: #6B7F99;
    --line: rgba(255,255,255,0.08);
    --line-bright: rgba(63,169,255,0.36);
    --blue: #1E7FFF;
    --blue-bright: #3FA9FF;
    --signal: #22E6C8;
    --warn: #F5B85F;
    --radius: 16px;
    --radius-lg: 24px;
    --shadow: 0 8px 24px rgba(0,0,0,0.22);
    --glow: 0 0 0 1px rgba(63,169,255,0.28), 0 0 22px rgba(30,127,255,0.32), inset 0 1px 0 rgba(255,255,255,0.16);
    --font: system-ui, -apple-system, 'PingFang SC', 'Microsoft YaHei', 'Segoe UI', sans-serif;
  }

  *,
  *::before,
  *::after {
    box-sizing: border-box;
  }

  html {
    scroll-behavior: smooth;
  }

  body {
    margin: 0;
    background-color: var(--bg);
    background-image: radial-gradient(circle at 10% 0%, rgba(30,127,255,0.10), transparent 32rem),
                      radial-gradient(circle at 92% 10%, rgba(34,230,200,0.05), transparent 26rem);
    color: var(--text);
    font-family: var(--font);
    font-size: 1.0625rem;
    line-height: 1.85;
    -webkit-font-smoothing: antialiased;
    text-rendering: optimizeLegibility;
  }

  body::before {
    content: '';
    position: fixed;
    inset: 0;
    pointer-events: none;
    z-index: 0;
    opacity: .24;
    background-image: linear-gradient(rgba(255,255,255,0.018) 1px, transparent 1px),
                      linear-gradient(90deg, rgba(255,255,255,0.018) 1px, transparent 1px);
    background-size: 36px 36px;
  }

  a {
    color: inherit;
    text-decoration: none;
  }

  img {
    max-width: 100%;
    display: block;
  }

  button,
  input,
  textarea,
  select {
    font: inherit;
  }

  h1, h2, h3, h4, h5, p, ul, ol, dl, figure, blockquote, table {
    margin-top: 0;
  }

  ::selection {
    background-color: rgba(34,230,200,0.30);
    color: #ffffff;
  }

  .container {
    max-width: 1280px;
    margin-left: auto;
    margin-right: auto;
    padding-left: 32px;
    padding-right: 32px;
    position: relative;
    z-index: 1;
  }

  .site-header {
    position: sticky;
    top: 0;
    z-index: 60;
    background: rgba(7, 17, 31, 0.72);
    backdrop-filter: blur(16px);
    -webkit-backdrop-filter: blur(16px);
    border-bottom: 1px solid rgba(255, 255, 255, 0.08);
    box-shadow: 0 12px 32px rgba(0,0,0,0.20);
  }

  .header-bar {
    height: 68px;
    display: flex;
    align-items: center;
    gap: 12px;
    position: relative;
  }

  .brand {
    display: inline-flex;
    align-items: center;
    gap: 10px;
    white-space: nowrap;
  }

  .brand-mark {
    width: 38px;
    height: 38px;
    flex: 0 0 38px;
    border-radius: 12px;
    background: linear-gradient(145deg, rgba(30,127,255,0.85), rgba(15,76,174,0.95));
    color: #fff;
    font-size: 20px;
    font-weight: 800;
    display: flex;
    align-items: center;
    justify-content: center;
    box-shadow: 0 0 0 1px rgba(255,255,255,0.18), 0 8px 20px rgba(30,127,255,0.28);
  }

  .brand-text {
    font-weight: 800;
    font-size: 1.22rem;
    letter-spacing: -0.02em;
  }

  .primary-nav {
    display: flex;
    align-items: center;
    justify-content: flex-end;
    gap: 2px;
    margin-left: auto;
  }

  .primary-nav .nav-link {
    display: inline-block;
    padding: 8px 15px;
    border-radius: 10px;
    color: var(--text-2);
    font-size: 0.95rem;
    font-weight: 600;
    transition: color .2s ease, background-color .2s ease;
    border: 1px solid transparent;
  }

  .primary-nav .nav-link:hover {
    color: #ffffff;
    background: rgba(255,255,255,0.06);
  }

  .primary-nav .nav-link:focus-visible,
  .main-btn:focus-visible,
  .ghost-btn:focus-visible,
  .view-link:focus-visible,
  .quick-anchor:focus-visible,
  .faq-item summary:focus-visible {
    outline: 2px solid var(--signal);
    outline-offset: 3px;
  }

  .primary-nav .nav-link.active {
    color: #ffffff;
    background: rgba(30,127,255,0.14);
    border-color: rgba(63,169,255,0.18);
  }

  .header-btn {
    margin-left: 8px;
  }

  .nav-burger,
  .nav-drawer {
    display: none;
  }

  .main-btn {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    border-radius: 10px;
    padding: 12px 24px;
    border: 0;
    cursor: pointer;
    color: #ffffff;
    background: linear-gradient(135deg, #1473FF 0%, #1E7FFF 46%, #3FA9FF 100%);
    font-weight: 700;
    font-size: 0.95rem;
    letter-spacing: 0.01em;
    box-shadow: var(--glow);
    transition: transform .18s ease, box-shadow .25s ease, filter .2s ease, letter-spacing .2s ease;
    white-space: nowrap;
  }

  .main-btn:hover {
    filter: brightness(1.08);
    letter-spacing: 0.04em;
    box-shadow: 0 0 0 1px rgba(63,169,255,0.35), 0 0 34px rgba(30,127,255,0.45), inset 0 1px 0 rgba(255,255,255,0.24);
  }

  .main-btn:active {
    transform: scale(0.98);
  }

  .ghost-btn {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    border-radius: 10px;
    padding: 12px 24px;
    color: var(--text);
    background: rgba(255,255,255,0.06);
    border: 1px solid rgba(255,255,255,0.16);
    backdrop-filter: blur(10px);
    -webkit-backdrop-filter: blur(10px);
    font-weight: 700;
    font-size: 0.95rem;
    transition: border-color .2s ease, background-color .2s ease, transform .18s ease;
  }

  .ghost-btn:hover {
    border-color: rgba(63,169,255,0.64);
    background: rgba(63,169,255,0.12);
    color: #fff;
  }

  .ghost-btn:active {
    transform: scale(0.98);
  }

  .section {
    padding-top: 96px;
    padding-bottom: 96px;
  }

  .section-soft {
    background: rgba(255,255,255,0.022);
    border-top: 1px solid rgba(255,255,255,0.06);
    border-bottom: 1px solid rgba(255,255,255,0.06);
  }

  .section-title {
    max-width: 860px;
    margin-bottom: 14px;
    font-size: 2.4rem;
    line-height: 1.3;
    font-weight: 800;
    letter-spacing: -0.015em;
  }

  .section-title span {
    color: var(--blue-bright);
  }

  .section-desc {
    max-width: 800px;
    font-size: 1.0625rem;
    color: var(--text-2);
    line-height: 1.9;
  }

  .section-head {
    margin-bottom: 44px;
  }

  .eyebrow {
    display: inline-flex;
    align-items: center;
    gap: 8px;
    padding: 6px 14px;
    border-radius: 999px;
    background: rgba(30,127,255,0.12);
    border: 1px solid rgba(63,169,255,0.18);
    color: #A9D1FF;
    font-size: 0.84rem;
    font-weight: 700;
    letter-spacing: 0.02em;
    margin-bottom: 18px;
  }

  .eyebrow::before {
    content: '';
    width: 6px;
    height: 6px;
    border-radius: 50%;
    background: var(--signal);
    box-shadow: 0 0 8px var(--signal);
  }

  .cat-hero {
    position: relative;
    overflow: hidden;
    padding: 84px 0 70px;
  }

  .cat-hero::after {
    content: '';
    position: absolute;
    inset: 0;
    pointer-events: none;
    background-image:
      linear-gradient(115deg, transparent 42%, rgba(63,169,255,0.07) 46%, rgba(34,230,200,0.04) 52%, transparent 58%);
  }

  .breadcrumbs {
    display: flex;
    flex-wrap: wrap;
    align-items: center;
    gap: 8px;
    color: var(--text-3);
    font-size: 0.85rem;
    margin-bottom: 28px;
  }

  .breadcrumbs a:hover {
    color: var(--text);
  }

  .breadcrumbs .sep {
    opacity: .6;
  }

  .hero-grid {
    display: grid;
    grid-template-columns: minmax(0, 1.25fr) minmax(0, 0.75fr);
    gap: 56px;
    align-items: center;
  }

  .hero-copy .kicker-tag {
    display: inline-flex;
    align-items: center;
    gap: 8px;
    padding: 6px 14px;
    border-radius: 999px;
    background: rgba(255,255,255,0.05);
    border: 1px solid rgba(255,255,255,0.10);
    color: var(--text-2);
    font-size: 0.84rem;
    margin-bottom: 18px;
  }

  .hero-copy h1 {
    margin: 0 0 18px;
    font-size: clamp(2.3rem, 5vw, 4.2rem);
    font-weight: 800;
    line-height: 1.18;
    letter-spacing: -0.03em;
  }

  .hero-copy h1 .blue {
    background: linear-gradient(100deg, #ffffff 4%, #68B9FF 76%);
    -webkit-background-clip: text;
    background-clip: text;
    -webkit-text-fill-color: transparent;
  }

  .hero-copy .intro {
    font-size: 1.09rem;
    line-height: 1.9;
    color: var(--text-2);
    max-width: 640px;
    margin-bottom: 28px;
  }

  .hero-actions {
    display: flex;
    flex-wrap: wrap;
    gap: 14px;
    align-items: center;
  }

  .hero-note {
    margin-top: 24px;
    font-size: 0.85rem;
    color: var(--text-3);
  }

  .hero-panel {
    position: relative;
    border-radius: 24px;
    background: rgba(255,255,255,0.06);
    border: 1px solid rgba(255,255,255,0.12);
    backdrop-filter: blur(16px);
    -webkit-backdrop-filter: blur(16px);
    box-shadow: 0 28px 56px rgba(0,0,0,0.32);
    overflow: hidden;
    padding: 22px;
    min-height: 420px;
    display: flex;
    flex-direction: column;
  }

  .hero-panel .panel-bg-img {
    position: absolute;
    inset: 0;
    width: 100%;
    height: 100%;
    object-fit: cover;
    opacity: 0.18;
  }

  .panel-keyline {
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 2px;
    background: linear-gradient(90deg, transparent, #3FA9FF, #22E6C8, transparent);
  }

  .panel-content {
    position: relative;
    z-index: 1;
    display: flex;
    flex-direction: column;
    flex: 1;
  }

  .panel-head {
    display: flex;
    justify-content: space-between;
    gap: 12px;
    align-items: flex-start;
  }

  .panel-kicker {
    font-size: 0.86rem;
    color: var(--text-2);
  }

  .panel-status {
    display: inline-flex;
    align-items: center;
    gap: 8px;
    padding: 4px 12px;
    border-radius: 999px;
    color: #BFF9EC;
    border: 1px solid rgba(34,230,200,0.30);
    background: rgba(34,230,200,0.10);
    font-size: 0.78rem;
    font-weight: 700;
  }

  .panel-status::before {
    content: '';
    width: 7px;
    height: 7px;
    border-radius: 50%;
    background: var(--signal);
    box-shadow: 0 0 10px var(--signal);
  }

  .version-hero-line {
    margin-top: 28px;
    padding: 18px;
    border-radius: 18px;
    background: rgba(7,17,31,0.48);
    border: 1px solid rgba(255,255,255,0.10);
  }

  .version-hero-line b {
    font-size: 1.15rem;
    display: block;
    font-variant-numeric: tabular-nums;
  }

  .version-hero-line span {
    font-size: 0.87rem;
    color: var(--text-2);
  }

  .panel-list {
    margin: 22px 0 0;
    padding: 0;
    list-style: none;
    display: grid;
    gap: 10px;
  }

  .panel-list li {
    display: grid;
    grid-template-columns: 1fr auto;
    align-items: center;
    gap: 12px;
    padding: 11px 12px;
    border-radius: 12px;
    background: rgba(255,255,255,0.05);
    border: 1px solid rgba(255,255,255,0.06);
    color: var(--text-2);
    font-size: 0.89rem;
    position: relative;
    padding-left: 34px;
  }

  .panel-list li::before {
    content: '';
    position: absolute;
    left: 12px;
    width: 8px;
    height: 8px;
    border-radius: 3px;
    background: var(--signal);
    box-shadow: 0 0 10px rgba(34,230,200,0.7);
  }

  .panel-list li small {
    color: var(--text-3);
  }

  .mini-platform {
    border-top: 1px solid rgba(255,255,255,0.09);
    padding-top: 14px;
    margin-top: 18px;
    color: var(--text-3);
    font-size: 0.84rem;
    display: flex;
    justify-content: space-between;
  }

  .quick-anchor-list {
    display: flex;
    flex-wrap: wrap;
    gap: 10px;
    margin-top: 42px;
    padding-top: 26px;
    border-top: 1px solid rgba(255,255,255,0.08);
  }

  .quick-anchor {
    display: inline-flex;
    align-items: center;
    gap: 6px;
    padding: 8px 15px;
    border-radius: 999px;
    border: 1px solid rgba(255,255,255,0.10);
    color: var(--text-2);
    background: rgba(255,255,255,0.04);
    font-size: 0.86rem;
    font-weight: 600;
    transition: all .2s ease;
  }

  .quick-anchor:hover {
    background: rgba(30,127,255,0.16);
    border-color: rgba(63,169,255,0.40);
    color: #fff;
  }

  .quick-anchor:active {
    transform: scale(0.98);
  }

  .phase-list {
    display: grid;
    gap: 16px;
  }

  .phase-row {
    display: grid;
    grid-template-columns: 76px minmax(0, 1fr) auto;
    gap: 24px;
    padding: 24px 26px;
    border-radius: 18px;
    background: rgba(255,255,255,0.035);
    border: 1px solid rgba(255,255,255,0.09);
    transition: border-color .2s ease, background-color .2s ease, transform .2s ease;
    position: relative;
    overflow: hidden;
  }

  .phase-row::before {
    content: '';
    position: absolute;
    left: 0;
    top: 0;
    bottom: 0;
    width: 3px;
    background: linear-gradient(180deg, rgba(63,169,255,0.8), rgba(34,230,200,0.4));
    opacity: 0;
  }

  .phase-row:hover {
    border-color: rgba(63,169,255,0.30);
    background-color: rgba(12,24,40,0.7);
    transform: translateY(-2px);
  }

  .phase-row:hover::before {
    opacity: 1;
  }

  .phase-index {
    font-size: 1.5rem;
    font-weight: 800;
    color: var(--text-3);
    font-variant-numeric: tabular-nums;
  }

  .phase-main h3 {
    margin: 0 0 6px;
    font-size: 1.3rem;
  }

  .phase-tags {
    display: flex;
    flex-wrap: wrap;
    gap: 8px;
    margin-top: 10px;
  }

  .phase-aside {
    display: flex;
    align-items: center;
  }

  .badge {
    display: inline-flex;
    align-items: center;
    gap: 6px;
    padding: 5px 10px;
    border-radius: 999px;
    background: rgba(255,255,255,0.06);
    border: 1px solid rgba(255,255,255,0.10);
    color: var(--text-2);
    font-size: 0.78rem;
    font-weight: 700;
    white-space: nowrap;
  }

  .badge-ok {
    background: rgba(34,230,200,0.10);
    border-color: rgba(34,230,200,0.24);
    color: #BFF9EC;
  }

  .badge-blue {
    background: rgba(30,127,255,0.12);
    border-color: rgba(63,169,255,0.20);
    color: #B8DCFF;
  }

  .badge-warn {
    background: rgba(245,184,95,0.10);
    border-color: rgba(245,184,95,0.24);
    color: #FFE0B0;
  }

  .wide-banner {
    margin-top: 72px;
    border-radius: 24px;
    overflow: hidden;
    position: relative;
    min-height: 330px;
    display: flex;
    align-items: center;
    background: linear-gradient(100deg, rgba(12,24,40,0.96), rgba(12,24,40,0.76)), url('/assets/images/coverpic/cover-2.webp') center/cover no-repeat;
    border: 1px solid rgba(255,255,255,0.11);
  }

  .wide-banner img.wide-img {
    position: absolute;
    inset: 0;
    height: 100%;
    width: 100%;
    object-fit: cover;
    opacity: 0.7;
  }

  .wide-banner-text {
    position: relative;
    z-index: 1;
    padding: 48px;
    max-width: 660px;
  }

  .wide-banner-text h3 {
    font-size: 2rem;
    line-height: 1.3;
    margin-bottom: 12px;
  }

  .wide-banner-text p {
    color: var(--text-2);
    font-size: 1rem;
    line-height: 1.9;
    margin-bottom: 0;
  }

  .release-list {
    display: grid;
    gap: 14px;
  }

  .file-row {
    display: grid;
    grid-template-columns: 64px minmax(0, 1fr) repeat(3, auto);
    gap: 22px;
    align-items: center;
    padding: 18px 22px;
    border: 1px solid rgba(255,255,255,0.08);
    border-radius: 16px;
    background: rgba(255,255,255,0.03);
    transition: border-color .2s ease, background-color .2s ease, transform .2s ease, box-shadow .2s ease;
    position: relative;
  }

  .file-row:hover {
    border-color: rgba(63,169,255,0.32);
    background-color: rgba(255,255,255,0.05);
    box-shadow: 0 10px 26px rgba(0,0,0,0.22);
    transform: translateY(-2px);
  }

  .file-icon {
    width: 64px;
    height: 64px;
    display: flex;
    align-items: center;
    justify-content: center;
    border-radius: 16px;
    background: linear-gradient(135deg, rgba(30,127,255,0.20), rgba(12,24,40,0.8));
    color: var(--azure);
    font-size: 1.4rem;
    font-weight: 800;
    border: 1px solid rgba(63,169,255,0.22);
  }

  .file-title {
    margin-bottom: 3px;
    font-size: 1.08rem;
    font-weight: 800;
    letter-spacing: -0.01em;
  }

  .file-desc {
    color: var(--text-2);
    font-size: 0.9rem;
    max-width: 560px;
    margin: 0;
  }

  .file-meta {
    color: var(--text-3);
    font-size: 0.83rem;
    font-variant-numeric: tabular-nums;
    white-space: nowrap;
  }

  .view-link {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    border-radius: 10px;
    padding: 9px 16px;
    color: #A9D1FF;
    background: rgba(30,127,255,0.10);
    border: 1px solid rgba(63,169,255,0.18);
    font-size: 0.86rem;
    font-weight: 700;
    transition: all .2s ease;
    white-space: nowrap;
  }

  .view-link:hover {
    background: rgba(30,127,255,0.24);
    border-color: rgba(63,169,255,0.5);
    color: #fff;
    box-shadow: 0 0 16px rgba(30,127,255,0.15);
  }

  .view-link:active {
    transform: scale(0.97);
  }

  .matrix-shell {
    border: 1px solid rgba(255,255,255,0.09);
    border-radius: 20px;
    overflow: hidden;
    background: rgba(255,255,255,0.025);
  }

  .matrix-shell table {
    width: 100%;
    border-collapse: collapse;
    font-size: 0.95rem;
  }

  .matrix-shell th,
  .matrix-shell td {
    text-align: left;
    padding: 18px 22px;
    border-bottom: 1px solid rgba(255,255,255,0.07);
    vertical-align: top;
    color: var(--text);
  }

  .matrix-shell tr:last-child th,
  .matrix-shell tr:last-child td {
    border-bottom: 0;
  }

  .matrix-shell thead th {
    background-color: rgba(255,255,255,0.04);
    color: var(--text-2);
    font-weight: 700;
    font-size: 0.86rem;
    letter-spacing: 0.03em;
  }

  .matrix-shell td.matrix-lead {
    font-weight: 800;
  }

  .matrix-check {
    color: var(--signal);
    font-weight: 800;
  }

  .matrix-soft {
    color: var(--text-3);
    font-size: 0.9rem;
  }

  .scenario-grid {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 42px;
    align-items: center;
  }

  .scenario-media {
    position: relative;
    border-radius: 22px;
    overflow: hidden;
    border: 1px solid rgba(255,255,255,0.10);
    box-shadow: 0 24px 44px rgba(0,0,0,0.30);
    min-height: 300px;
  }

  .scenario-media::after {
    content: '';
    position: absolute;
    inset: 0;
    background: linear-gradient(180deg, transparent 44%, rgba(7,17,31,0.72));
  }

  .scenario-media img {
    object-fit: cover;
    width: 100%;
    height: 100%;
    position: absolute;
    inset: 0;
  }

  .scenario-media-caption {
    position: absolute;
    left: 22px;
    right: 22px;
    bottom: 18px;
    z-index: 1;
    color: #fff;
    font-weight: 700;
    font-size: 1rem;
    text-shadow: 0 4px 16px rgba(0,0,0,0.6);
  }

  .scenario-list {
    display: grid;
    gap: 14px;
  }

  .scenario-card {
    display: grid;
    grid-template-columns: 42px minmax(0, 1fr);
    gap: 12px;
    padding: 18px;
    border-radius: 16px;
    background: rgba(255,255,255,0.03);
    border: 1px solid rgba(255,255,255,0.08);
    transition: background-color .2s ease, border-color .2s ease, transform .2s ease;
  }

  .scenario-card:hover {
    background: rgba(255,255,255,0.05);
    border-color: rgba(63,169,255,0.26);
    transform: translateX(4px);
  }

  .scenario-num {
    color: var(--blue-bright);
    font-weight: 800;
    font-variant-numeric: tabular-nums;
  }

  .scenario-card h3 {
    margin: 0 0 6px;
    font-size: 1.05rem;
  }

  .scenario-card p {
    color: var(--text-2);
    font-size: 0.93rem;
    margin: 0;
  }

  .faq-list {
    display: grid;
    gap: 12px;
    max-width: 1040px;
  }

  .faq-item {
    border-radius: 14px;
    background: rgba(255,255,255,0.035);
    border: 1px solid rgba(255,255,255,0.09);
    overflow: hidden;
    transition: border-color .2s ease, background-color .2s ease;
  }

  .faq-item[open] {
    background: rgba(255,255,255,0.05);
    border-color: rgba(63,169,255,0.28);
  }

  .faq-item summary {
    cursor: pointer;
    list-style: none;
    display: flex;
    align-items: center;
    gap: 14px;
    font-weight: 700;
    font-size: 1rem;
    padding: 18px 22px;
    transition: color .2s ease;
  }

  .faq-item summary::-webkit-details-marker {
    display: none;
  }

  .faq-item summary::before {
    content: '';
    width: 8px;
    height: 8px;
    border-radius: 4px;
    background: var(--blue);
    box-shadow: 0 0 8px rgba(30,127,255,0.6);
    flex: 0 0 8px;
  }

  .faq-item summary::after {
    content: '+';
    margin-left: auto;
    font-size: 1.5rem;
    font-weight: 400;
    color: var(--text-2);
    transition: transform .25s ease, color .2s ease;
  }

  .faq-item[open] summary::after {
    transform: rotate(135deg);
    color: var(--signal);
  }

  .faq-item[open] summary {
    color: #fff;
  }

  .faq-body {
    padding: 0 30px 20px 44px;
    color: var(--text-2);
    font-size: 0.97rem;
    line-height: 1.9;
  }

  .cta-area {
    border-radius: 24px;
    background: linear-gradient(120deg, rgba(30,127,255,0.13), rgba(7,17,31,0.5));
    border: 1px solid rgba(63,169,255,0.16);
    padding: 44px 48px;
    display: grid;
    grid-template-columns: 1fr auto;
    gap: 38px;
    align-items: center;
    position: relative;
    overflow: hidden;
  }

  .cta-area::before {
    content: '';
    position: absolute;
    width: 300px;
    height: 300px;
    right: -80px;
    top: -120px;
    border-radius: 50%;
    background: rgba(63,169,255,0.18);
    filter: blur(86px);
  }

  .cta-copy h2 {
    font-size: 2rem;
    margin: 0 0 12px;
  }

  .cta-copy p {
    margin: 0;
    color: var(--text-2);
    line-height: 1.9;
    max-width: 720px;
  }

  .cta-actions {
    position: relative;
    z-index: 1;
    display: flex;
    align-items: center;
    gap: 12px;
    flex-wrap: wrap;
  }

  .cta-clock {
    display: block;
    font-size: 0.82rem;
    color: var(--text-3);
    margin-top: 14px;
  }

  .site-footer {
    border-top: 1px solid rgba(255,255,255,0.07);
    background-color: rgba(5, 12, 24, 0.82);
    padding-top: 56px;
    position: relative;
    overflow: hidden;
  }

  .site-footer::after {
    content: '';
    position: absolute;
    inset: 0;
    pointer-events: none;
    opacity: 0.3;
    background: repeating-linear-gradient(180deg, transparent 0 5px, rgba(255,255,255,0.03) 6px);
  }

  .footer-grid {
    position: relative;
    z-index: 1;
    display: grid;
    grid-template-columns: 1.3fr 0.7fr 0.9fr 1fr;
    gap: 40px;
    padding-bottom: 44px;
  }

  .footer-brand p,
  .footer-contact {
    color: var(--text-2);
    font-size: 0.9rem;
    line-height: 1.85;
  }

  .footer-grid h4 {
    margin: 0 0 14px;
    color: #fff;
    font-size: 1rem;
    font-weight: 700;
  }

  .footer-links {
    list-style: none;
    margin: 0;
    padding: 0;
    display: grid;
    gap: 8px;
  }

  .footer-links a {
    color: var(--text-2);
    font-size: 0.9rem;
    text-decoration: none;
    transition: color .2s ease, padding-left .2s ease;
  }

  .footer-links a:hover {
    color: #ffffff;
    padding-left: 5px;
  }

  .footer-contact {
    display: grid;
    gap: 10px;
  }

  .footer-contact a {
    color: #8CC7FF;
    text-decoration: underline;
    text-decoration-color: rgba(63,169,255,0.4);
    text-underline-offset: 3px;
    transition: color .2s ease;
  }

  .footer-contact a:hover {
    color: #ffffff;
  }

  .footer-bottom {
    border-top: 1px solid rgba(255,255,255,0.06);
    padding: 18px 0;
    color: var(--text-3);
    font-size: 0.84rem;
    position: relative;
    z-index: 1;
  }

  .footer-bottom .container {
    display: flex;
    flex-wrap: wrap;
    justify-content: space-between;
    gap: 8px;
  }

  @media (max-width: 1180px) {
    .container {
      padding-left: 32px;
      padding-right: 32px;
    }

    .hero-grid {
      gap: 36px;
    }

    .phase-row {
      grid-template-columns: 62px minmax(0, 1fr);
    }

    .phase-aside {
      grid-column: 2;
      justify-content: flex-start;
    }

    .file-row {
      grid-template-columns: 58px minmax(0, 1fr);
      gap: 16px;
    }

    .file-meta {
      margin-left: 74px;
    }

    .view-link {
      margin-left: 74px;
    }
  }

  @media (max-width: 1023px) {
    .hero-grid {
      grid-template-columns: 1fr;
    }

    .hero-panel {
      min-height: 380px;
    }

    .scenario-grid {
      grid-template-columns: 1fr;
    }

    .scenario-media {
      min-height: 360px;
    }

    .footer-grid {
      grid-template-columns: 1fr 1fr;
    }

    .cta-area {
      grid-template-columns: 1fr;
    }

    .matrix-shell th,
    .matrix-shell td {
      padding: 14px 12px;
    }
  }

  @media (max-width: 767px) {
    body {
      font-size: 1rem;
    }

    .section {
      padding-top: 64px;
      padding-bottom: 64px;
    }

    .container {
      padding-left: 18px;
      padding-right: 18px;
    }

    .header-bar {
      height: 64px;
    }

    .brand-text {
      font-size: 1rem;
      white-space: nowrap;
      overflow: hidden;
      text-overflow: ellipsis;
      max-width: 210px;
    }

    .brand-mark {
      width: 34px;
      height: 34px;
      flex-basis: 34px;
      font-size: 17px;
    }

    .header-btn {
      display: none;
    }

    .nav-burger {
      display: flex;
      align-items: center;
      justify-content: center;
      width: 42px;
      height: 42px;
      margin-left: auto;
      border-radius: 12px;
      border: 1px solid rgba(255,255,255,0.12);
      background: rgba(255,255,255,0.04);
      cursor: pointer;
    }

    .nav-burger::before {
      content: '';
      width: 16px;
      height: 2px;
      border-radius: 2px;
      background: #fff;
      box-shadow: 0 -5px 0 #fff, 0 5px 0 #fff;
    }

    .nav-drawer:checked~.nav-burger::before {
      box-shadow: none;
      transform: rotate(45deg);
    }

    .primary-nav {
      position: fixed;
      left: 16px;
      right: 16px;
      top: 78px;
      z-index: 70;
      display: flex;
      align-items: stretch;
      flex-direction: column;
      gap: 6px;
      padding: 14px;
      border-radius: 18px;
      background: rgba(11,21,39,0.98);
      border: 1px solid rgba(255,255,255,0.10);
      box-shadow: 0 24px 48px rgba(0,0,0,0.34);
      transform: translateY(-10px);
      opacity: 0;
      visibility: hidden;
      transition: all .25s ease;
      backdrop-filter: none;
    }

    .nav-drawer:checked~.primary-nav {
      transform: translateY(0);
      opacity: 1;
      visibility: visible;
    }

    .primary-nav .nav-link {
      padding: 13px 14px;
      border-radius: 12px;
    }

    .cat-hero {
      padding-top: 58px;
      padding-bottom: 46px;
    }

    .hero-copy h1 {
      font-size: 2.28rem;
    }

    .hero-copy .intro {
      font-size: 1rem;
    }

    .hero-actions {
      flex-direction: column;
      align-items: stretch;
    }

    .hero-actions .main-btn,
    .hero-actions .ghost-btn {
      width: 100%;
    }

    .hero-panel {
      border-radius: 18px;
      min-height: 380px;
      padding: 18px;
    }

    .phase-row {
      grid-template-columns: 1fr;
      gap: 14px;
      padding: 20px;
    }

    .phase-aside {
      grid-column: 1;
    }

    .phase-index {
      font-size: 1.3rem;
    }

    .file-row {
      display: flex;
      flex-direction: column;
      align-items: stretch;
      gap: 10px;
      padding: 18px;
    }

    .file-icon {
      width: 52px;
      height: 52px;
      font-size: 1.15rem;
    }

    .file-meta,
    .view-link {
      margin-left: 0;
    }

    .view-link {
      align-self: flex-start;
    }

    .wide-banner-text {
      padding: 30px 22px;
    }

    .wide-banner-text h3 {
      font-size: 1.5rem;
    }

    .matrix-shell {
      overflow-x: auto;
    }

    .matrix-shell table {
      min-width: 720px;
    }

    .scenario-media {
      min-height: 240px;
    }

    .cta-area {
      padding: 28px 20px;
    }

    .cta-copy h2 {
      font-size: 1.6rem;
    }

    .faq-body {
      padding-left: 25px;
    }

    .footer-grid {
      grid-template-columns: 1fr;
      gap: 28px;
    }

    .footer-bottom .container {
      flex-direction: column;
    }
  }

  @media (max-width: 420px) {
    .brand-text {
      max-width: 168px;
    }

    .container {
      padding-left: 16px;
      padding-right: 16px;
    }

    .footer-bottom .container {
      align-items: flex-start;
    }
  }

  .text-signal {
    color: var(--signal);
  }

  .text-dim {
    color: var(--text-3);
  }

  .figure-hide {
    display: none;
  }