/* roulang page: index */
:root{
  --bg:#050a16;
  --bg-soft:#071025;
  --panel:rgba(19,32,60,.62);
  --panel-solid:#0d1730;
  --stroke:rgba(108,158,255,.18);
  --stroke-hi:rgba(120,205,255,.45);
  --text:#e9f0ff;
  --muted:#94a8c9;
  --primary:#3d7bff;
  --primary-deep:#2a5ce0;
  --accent:#38e1ff;
  --warn:#ffcf6b;
  --radius:14px;
  --radius-sm:10px;
  --shadow:0 18px 42px rgba(2,8,22,.55);
  --shadow-hi:0 26px 56px rgba(3,12,32,.72);
  --maxw:1200px;
}
*{box-sizing:border-box}
html{scroll-behavior:smooth}
body{
  margin:0;
  font-family:-apple-system,BlinkMacSystemFont,"Segoe UI","PingFang SC","Hiragino Sans GB","Microsoft YaHei",sans-serif;
  background:var(--bg);
  color:var(--text);
  font-size:15px;
  line-height:1.78;
  -webkit-font-smoothing:antialiased;
}
body::before{
  content:"";
  position:fixed;
  inset:0;
  z-index:-1;
  background:
    radial-gradient(680px 420px at 12% -6%, rgba(61,123,255,.28), transparent 68%),
    radial-gradient(760px 460px at 88% 4%, rgba(56,225,255,.16), transparent 70%),
    radial-gradient(900px 620px at 50% 108%, rgba(45,86,190,.20), transparent 72%),
    linear-gradient(180deg,#050a16 0%,#060d1e 42%,#040814 100%);
}
a{color:inherit;text-decoration:none}
img{max-width:100%;display:block}
ul,ol{margin:0;padding:0;list-style:none}
h1,h2,h3,h4{margin:0;line-height:1.3;font-weight:700}
p{margin:0}
button{font-family:inherit}
:focus-visible{outline:2px solid var(--accent);outline-offset:3px;border-radius:6px}

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

/* ---------- header / dock nav ---------- */
.site-header{
  position:sticky;
  top:0;
  z-index:60;
  padding:14px 0 6px;
  transition:padding .25s ease;
}
.dock{
  width:100%;
  max-width:var(--maxw);
  margin:0 auto;
  padding:10px 14px 10px 20px;
  display:flex;
  align-items:center;
  gap:18px;
  background:rgba(10,18,36,.72);
  border:1px solid var(--stroke);
  border-radius:18px;
  backdrop-filter:blur(18px);
  -webkit-backdrop-filter:blur(18px);
  box-shadow:0 12px 32px rgba(3,10,26,.42);
  transition:box-shadow .25s ease,background .25s ease,border-color .25s ease;
}
.site-header.is-stuck .dock{
  background:rgba(8,15,31,.9);
  box-shadow:0 18px 44px rgba(2,8,22,.72);
  border-color:rgba(120,180,255,.28);
}
.logo{
  display:inline-flex;
  align-items:center;
  gap:10px;
  font-size:17px;
  font-weight:700;
  letter-spacing:.3px;
  white-space:nowrap;
}
.logo .dot{
  width:10px;height:10px;border-radius:50%;
  background:linear-gradient(135deg,var(--accent),var(--primary));
  box-shadow:0 0 14px rgba(56,225,255,.85);
}
.nav{
  margin-left:auto;
  display:flex;
  align-items:center;
  gap:6px;
}
.nav a{
  display:inline-flex;
  align-items:center;
  min-height:38px;
  padding:0 14px;
  font-size:14.5px;
  color:var(--muted);
  border-radius:10px;
  border:1px solid transparent;
  transition:color .2s ease,background .2s ease,border-color .2s ease;
}
.nav a:hover{color:var(--text);background:rgba(61,123,255,.14);border-color:var(--stroke)}
.nav a.active{
  color:#fff;
  background:linear-gradient(135deg,rgba(61,123,255,.4),rgba(56,225,255,.18));
  border-color:rgba(120,205,255,.4);
  box-shadow:inset 0 0 18px rgba(56,225,255,.16);
}
.dock-cta{margin-left:8px}
.nav-toggle{
  display:none;
  margin-left:auto;
  width:42px;height:42px;
  border-radius:12px;
  border:1px solid var(--stroke);
  background:rgba(19,32,60,.7);
  color:var(--text);
  cursor:pointer;
  align-items:center;
  justify-content:center;
}
.nav-toggle span{
  display:block;width:18px;height:2px;background:currentColor;border-radius:2px;position:relative;
}
.nav-toggle span::before,.nav-toggle span::after{
  content:"";position:absolute;left:0;width:18px;height:2px;background:currentColor;border-radius:2px;
}
.nav-toggle span::before{top:-6px}
.nav-toggle span::after{top:6px}

/* ---------- buttons ---------- */
.btn{
  display:inline-flex;
  align-items:center;
  justify-content:center;
  gap:8px;
  min-height:44px;
  padding:0 22px;
  font-size:15px;
  font-weight:600;
  border-radius:10px;
  border:1px solid transparent;
  cursor:pointer;
  transition:transform .2s ease,box-shadow .2s ease,background .2s ease,border-color .2s ease;
}
.btn-primary{
  color:#fff;
  background:linear-gradient(135deg,var(--primary),#2f8bff 55%,var(--accent));
  box-shadow:0 10px 26px rgba(61,123,255,.42),0 0 22px rgba(56,225,255,.22);
}
.btn-primary:hover{
  transform:translateY(-2px);
  box-shadow:0 16px 34px rgba(61,123,255,.55),0 0 30px rgba(56,225,255,.34);
}
.btn-primary:active{transform:translateY(0)}
.btn-ghost{
  color:var(--text);
  background:rgba(14,24,46,.6);
  border-color:rgba(120,180,255,.32);
}
.btn-ghost:hover{
  transform:translateY(-2px);
  border-color:var(--stroke-hi);
  background:rgba(24,42,78,.72);
  box-shadow:0 12px 26px rgba(3,12,32,.5);
}
.btn-sm{min-height:38px;padding:0 16px;font-size:14px;border-radius:9px}

/* ---------- hero ---------- */
.hero{
  position:relative;
  margin-top:8px;
  overflow:hidden;
  border-bottom:1px solid rgba(108,158,255,.14);
}
.hero-bg{
  position:absolute;
  inset:0;
  background-size:cover;
  background-position:center;
  transform:scale(1.04);
  filter:saturate(.9);
}
.hero-overlay{
  position:absolute;
  inset:0;
  background:
    linear-gradient(180deg,rgba(5,10,22,.86) 0%,rgba(5,10,22,.72) 46%,rgba(4,8,20,.96) 100%),
    radial-gradient(720px 380px at 50% 12%, rgba(61,123,255,.34), transparent 70%);
}
.hero-inner{
  position:relative;
  padding:78px 24px 66px;
  display:flex;
  flex-direction:column;
  align-items:center;
  text-align:center;
}
.hero-badge{
  display:inline-flex;
  align-items:center;
  gap:8px;
  padding:7px 16px;
  font-size:13px;
  letter-spacing:.5px;
  color:#cdeaff;
  border-radius:999px;
  border:1px solid rgba(120,205,255,.4);
  background:rgba(24,48,92,.55);
  box-shadow:0 0 20px rgba(56,225,255,.18) inset;
}
.hero-badge i{
  width:7px;height:7px;border-radius:50%;background:var(--accent);
  box-shadow:0 0 10px var(--accent);
  animation:pulse 2s infinite;
}
@keyframes pulse{0%,100%{opacity:1}50%{opacity:.35}}
.hero h1{
  margin:22px 0 0;
  max-width:900px;
  font-size:42px;
  line-height:1.24;
  letter-spacing:.5px;
  background:linear-gradient(180deg,#ffffff 20%,#a9c8ff 100%);
  -webkit-background-clip:text;
  background-clip:text;
  color:transparent;
  text-shadow:0 0 44px rgba(61,123,255,.35);
}
.hero-lead{
  margin:20px auto 0;
  max-width:820px;
  font-size:15.5px;
  line-height:1.85;
  color:#b7c8e6;
  text-align:left;
}
.hero-actions{
  margin-top:28px;
  display:flex;
  flex-wrap:wrap;
  gap:14px;
  justify-content:center;
}
.countdown{
  margin-top:30px;
  display:flex;
  flex-wrap:wrap;
  align-items:center;
  justify-content:center;
  gap:14px;
  padding:12px 22px;
  border-radius:14px;
  border:1px solid rgba(120,180,255,.26);
  background:rgba(13,23,48,.6);
  backdrop-filter:blur(10px);
}
.cd-label{font-size:13.5px;color:var(--muted)}
.cd-clock{display:flex;align-items:center;gap:4px;font-variant-numeric:tabular-nums}
.cd-clock b{
  display:inline-block;
  min-width:42px;
  padding:4px 6px;
  text-align:center;
  font-size:19px;
  font-weight:700;
  color:#fff;
  border-radius:8px;
  background:linear-gradient(180deg,rgba(61,123,255,.5),rgba(24,44,88,.7));
  box-shadow:inset 0 0 12px rgba(56,225,255,.25);
}
.cd-clock i{font-style:normal;color:var(--accent);font-weight:700}
.cd-note{font-size:12.5px;color:#7f95b8}
.hero-tags{
  margin-top:26px;
  display:flex;
  flex-wrap:wrap;
  justify-content:center;
  gap:10px;
}
.hero-tags li{
  padding:6px 15px;
  font-size:13px;
  color:#b6cdf0;
  border-radius:999px;
  border:1px solid rgba(108,158,255,.24);
  background:rgba(16,28,54,.55);
}

/* ---------- sections ---------- */
.section{
  padding:74px 0;
  position:relative;
}
.section.alt{
  background:linear-gradient(180deg,rgba(9,18,38,.72),rgba(6,12,26,.55));
  border-top:1px solid rgba(108,158,255,.1);
  border-bottom:1px solid rgba(108,158,255,.1);
}
.section-head{
  max-width:760px;
  margin-bottom:38px;
}
.section-head.center{margin-left:auto;margin-right:auto;text-align:center}
.eyebrow{
  display:inline-flex;
  align-items:center;
  gap:9px;
  font-size:12.5px;
  letter-spacing:1.6px;
  color:var(--accent);
  text-transform:uppercase;
}
.eyebrow::before{
  content:"";
  width:26px;height:2px;border-radius:2px;
  background:linear-gradient(90deg,var(--accent),transparent);
}
.section-head h2{
  margin:12px 0 0;
  font-size:29px;
  line-height:1.35;
}
.section-head p{
  margin-top:14px;
  font-size:14.8px;
  color:var(--muted);
  line-height:1.85;
}

/* ---------- stat board ---------- */
.stat-board{
  display:grid;
  grid-template-columns:repeat(4,1fr);
  gap:18px;
}
.stat-card{
  padding:24px 22px;
  border-radius:var(--radius);
  border:1px solid var(--stroke);
  background:var(--panel);
  backdrop-filter:blur(12px);
  box-shadow:var(--shadow);
  transition:transform .2s ease,border-color .2s ease,box-shadow .2s ease;
}
.stat-card:hover{transform:translateY(-3px);border-color:var(--stroke-hi);box-shadow:var(--shadow-hi)}
.stat-num{
  font-size:34px;
  font-weight:800;
  letter-spacing:.5px;
  background:linear-gradient(135deg,#fff,#7fc3ff 60%,var(--accent));
  -webkit-background-clip:text;background-clip:text;color:transparent;
}
.stat-num small{font-size:15px;font-weight:600;margin-left:3px}
.stat-card h3{margin-top:6px;font-size:15px;color:#d5e3fb}
.stat-card p{margin-top:8px;font-size:13.4px;color:var(--muted);line-height:1.7}

/* ---------- card grids ---------- */
.grid-3{display:grid;grid-template-columns:repeat(3,1fr);gap:22px}
.grid-4{display:grid;grid-template-columns:repeat(4,1fr);gap:18px}
.grid-2{display:grid;grid-template-columns:repeat(2,1fr);gap:22px}

.card{
  display:flex;
  flex-direction:column;
  padding:24px 22px;
  border-radius:var(--radius);
  border:1px solid var(--stroke);
  background:var(--panel);
  backdrop-filter:blur(12px);
  box-shadow:var(--shadow);
  transition:transform .2s ease,border-color .2s ease,box-shadow .2s ease;
}
.card:hover{transform:translateY(-4px);border-color:var(--stroke-hi);box-shadow:var(--shadow-hi)}
.card .ico{
  width:44px;height:44px;
  display:flex;align-items:center;justify-content:center;
  border-radius:12px;
  border:1px solid rgba(120,205,255,.3);
  background:linear-gradient(135deg,rgba(61,123,255,.34),rgba(56,225,255,.14));
  box-shadow:inset 0 0 18px rgba(56,225,255,.16);
  margin-bottom:16px;
}
.card .ico svg{width:22px;height:22px;stroke:#9fd6ff;fill:none;stroke-width:1.7;stroke-linecap:round;stroke-linejoin:round}
.card h3{font-size:17px;color:#eef5ff}
.card p{margin-top:10px;font-size:14px;color:var(--muted);line-height:1.78}
.card .tagline{
  margin-top:16px;
  display:inline-flex;
  align-self:flex-start;
  padding:4px 12px;
  font-size:12.5px;
  color:#a9d8ff;
  border-radius:999px;
  border:1px solid rgba(108,158,255,.24);
  background:rgba(18,34,66,.6);
}

/* ---------- channel cards (category entries) ---------- */
.channel-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:22px}
.channel{
  position:relative;
  display:block;
  overflow:hidden;
  border-radius:var(--radius);
  border:1px solid var(--stroke);
  background:var(--panel);
  box-shadow:var(--shadow);
  transition:transform .2s ease,border-color .2s ease,box-shadow .2s ease;
}
.channel:hover{transform:translateY(-4px);border-color:var(--stroke-hi);box-shadow:var(--shadow-hi)}
.channel .thumb{
  height:150px;
  overflow:hidden;
}
.channel .thumb img{width:100%;height:100%;object-fit:cover;transition:transform .35s ease;opacity:.92}
.channel:hover .thumb img{transform:scale(1.05)}
.channel .body{padding:20px 20px 22px}
.channel h3{font-size:17px}
.channel p{margin-top:9px;font-size:13.8px;color:var(--muted);line-height:1.75}
.channel .more{
  margin-top:14px;
  display:inline-flex;
  align-items:center;
  gap:6px;
  font-size:13.5px;
  color:var(--accent);
}
.channel .more::after{content:"→";transition:transform .2s ease}
.channel:hover .more::after{transform:translateX(4px)}

/* ---------- scenario ---------- */
.scenario{
  padding:22px 20px;
  border-radius:var(--radius);
  border:1px solid var(--stroke);
  background:linear-gradient(160deg,rgba(20,36,66,.72),rgba(10,18,38,.62));
  transition:transform .2s ease,border-color .2s ease,box-shadow .2s ease;
}
.scenario:hover{transform:translateY(-3px);border-color:var(--stroke-hi);box-shadow:var(--shadow)}
.scenario .no{
  font-size:13px;
  font-weight:700;
  color:var(--accent);
  letter-spacing:1px;
}
.scenario h3{margin-top:8px;font-size:16px}
.scenario p{margin-top:9px;font-size:13.6px;color:var(--muted);line-height:1.75}

/* ---------- plan matrix ---------- */
.plan-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:22px;align-items:stretch}
.plan{
  display:flex;
  flex-direction:column;
  padding:26px 24px;
  border-radius:var(--radius);
  border:1px solid var(--stroke);
  background:var(--panel);
  box-shadow:var(--shadow);
  transition:transform .2s ease,border-color .2s ease,box-shadow .2s ease;
}
.plan:hover{transform:translateY(-4px);border-color:var(--stroke-hi);box-shadow:var(--shadow-hi)}
.plan.featured{
  border-color:rgba(120,205,255,.5);
  background:linear-gradient(165deg,rgba(35,66,128,.72),rgba(12,23,48,.8));
  box-shadow:0 24px 54px rgba(20,60,140,.5),inset 0 0 30px rgba(56,225,255,.1);
}
.plan .plan-tag{
  align-self:flex-start;
  padding:4px 12px;
  font-size:12.5px;
  border-radius:999px;
  color:#bfe6ff;
  border:1px solid rgba(120,205,255,.34);
  background:rgba(24,48,92,.6);
}
.plan h3{margin-top:14px;font-size:19px}
.plan .plan-sub{margin-top:8px;font-size:13.5px;color:var(--muted)}
.plan ul{margin-top:18px;display:grid;gap:10px}
.plan ul li{
  position:relative;
  padding-left:20px;
  font-size:13.8px;
  color:#c2d4ee;
  line-height:1.7;
}
.plan ul li::before{
  content:"";
  position:absolute;
  left:0;top:9px;
  width:7px;height:7px;
  border-radius:2px;
  background:linear-gradient(135deg,var(--accent),var(--primary));
  box-shadow:0 0 10px rgba(56,225,255,.7);
}
.plan .plan-foot{margin-top:auto;padding-top:20px;font-size:13px;color:#8fa5c8}

/* ---------- compare rows ---------- */
.compare{
  display:grid;
  gap:12px;
  margin-top:8px;
}
.compare-row{
  display:grid;
  grid-template-columns:1.05fr 1fr 1fr;
  gap:16px;
  padding:18px 22px;
  border-radius:var(--radius-sm);
  border:1px solid var(--stroke);
  background:rgba(14,25,48,.6);
  transition:border-color .2s ease,background .2s ease;
}
.compare-row:hover{border-color:rgba(120,180,255,.34);background:rgba(20,36,68,.66)}
.compare-row.head{
  background:rgba(28,52,98,.6);
  border-color:rgba(120,180,255,.3);
  font-size:13.5px;
  letter-spacing:.5px;
  color:#cfe3ff;
}
.compare-row span{font-size:13.8px;color:#b9cbe6;line-height:1.7}
.compare-row span:first-child{color:#eef5ff;font-weight:600}

/* ---------- trust wall ---------- */
.trust-band{
  position:relative;
  overflow:hidden;
  border-radius:18px;
  border:1px solid var(--stroke);
  background:linear-gradient(150deg,rgba(20,38,72,.78),rgba(8,15,32,.82));
  box-shadow:var(--shadow);
  padding:38px 30px;
}
.trust-band::after{
  content:"";
  position:absolute;
  top:-60px;right:-60px;
  width:260px;height:260px;
  border-radius:50%;
  background:radial-gradient(circle,rgba(56,225,255,.22),transparent 68%);
  pointer-events:none;
}
.trust-grid{
  display:grid;
  grid-template-columns:repeat(4,1fr);
  gap:14px;
  margin-top:26px;
}
.trust-item{
  padding:16px 16px;
  border-radius:var(--radius-sm);
  border:1px dashed rgba(120,180,255,.26);
  background:rgba(12,22,44,.6);
  font-size:13.5px;
  color:#c0d2ec;
  text-align:center;
  transition:border-color .2s ease,color .2s ease,background .2s ease;
}
.trust-item:hover{border-color:var(--stroke-hi);color:#fff;background:rgba(22,42,78,.7)}

/* ---------- steps ---------- */
.steps{
  display:grid;
  grid-template-columns:repeat(5,1fr);
  gap:16px;
  counter-reset:step;
}
.step{
  position:relative;
  padding:24px 18px 22px;
  border-radius:var(--radius);
  border:1px solid var(--stroke);
  background:rgba(14,25,48,.66);
  transition:transform .2s ease,border-color .2s ease,box-shadow .2s ease;
}
.step:hover{transform:translateY(-3px);border-color:var(--stroke-hi);box-shadow:var(--shadow)}
.step::before{
  counter-increment:step;
  content:"0" counter(step);
  display:block;
  font-size:22px;
  font-weight:800;
  color:transparent;
  background:linear-gradient(135deg,#7fbfff,var(--accent));
  -webkit-background-clip:text;background-clip:text;
  letter-spacing:1px;
}
.step h3{margin-top:10px;font-size:15.5px}
.step p{margin-top:8px;font-size:13.3px;color:var(--muted);line-height:1.72}

/* ---------- timeline ---------- */
.timeline{
  position:relative;
  display:grid;
  gap:18px;
  padding-left:26px;
}
.timeline::before{
  content:"";
  position:absolute;
  left:7px;top:6px;bottom:6px;
  width:2px;
  border-radius:2px;
  background:linear-gradient(180deg,rgba(56,225,255,.7),rgba(61,123,255,.12));
}
.tl-item{
  position:relative;
  padding:18px 22px;
  border-radius:var(--radius-sm);
  border:1px solid var(--stroke);
  background:rgba(13,24,46,.62);
  transition:border-color .2s ease,background .2s ease;
}
.tl-item:hover{border-color:rgba(120,180,255,.34);background:rgba(19,35,66,.7)}
.tl-item::before{
  content:"";
  position:absolute;
  left:-25px;top:24px;
  width:12px;height:12px;
  border-radius:50%;
  background:var(--bg);
  border:2px solid var(--accent);
  box-shadow:0 0 12px rgba(56,225,255,.7);
}
.tl-item b{display:block;font-size:13px;letter-spacing:1px;color:var(--accent)}
.tl-item h3{margin-top:6px;font-size:16px}
.tl-item p{margin-top:7px;font-size:13.6px;color:var(--muted);line-height:1.75}

/* ---------- voices ---------- */
.voice{
  padding:24px 22px;
  border-radius:var(--radius);
  border:1px solid var(--stroke);
  background:var(--panel);
  box-shadow:var(--shadow);
  transition:transform .2s ease,border-color .2s ease,box-shadow .2s ease;
}
.voice:hover{transform:translateY(-3px);border-color:var(--stroke-hi);box-shadow:var(--shadow-hi)}
.voice p{font-size:14px;color:#c6d8f0;line-height:1.8}
.voice .who{
  margin-top:16px;
  display:flex;
  align-items:center;
  gap:10px;
  font-size:13px;
  color:var(--muted);
}
.voice .who i{
  width:30px;height:30px;border-radius:50%;
  display:inline-flex;align-items:center;justify-content:center;
  font-style:normal;
  font-size:13px;
  color:#dff1ff;
  background:linear-gradient(135deg,rgba(61,123,255,.6),rgba(56,225,255,.32));
  border:1px solid rgba(120,205,255,.34);
}

/* ---------- news ---------- */
.news-wrap{display:grid;grid-template-columns:1.6fr 1fr;gap:26px;align-items:start}
.news-list{display:grid;gap:14px}
.news-item{
  display:flex;
  gap:18px;
  padding:18px;
  border-radius:var(--radius);
  border:1px solid var(--stroke);
  background:rgba(13,24,46,.66);
  transition:transform .2s ease,border-color .2s ease,box-shadow .2s ease,background .2s ease;
}
.news-item:hover{transform:translateY(-3px);border-color:var(--stroke-hi);box-shadow:var(--shadow);background:rgba(19,35,66,.72)}
.news-item .thumb{
  flex:0 0 132px;
  height:92px;
  border-radius:10px;
  overflow:hidden;
  border:1px solid rgba(108,158,255,.16);
}
.news-item .thumb img{width:100%;height:100%;object-fit:cover}
.news-item h3{font-size:15.5px;line-height:1.5;color:#eaf2ff}
.news-item p{margin-top:8px;font-size:13.4px;color:var(--muted);line-height:1.7}
.news-meta{
  margin-top:10px;
  display:flex;
  flex-wrap:wrap;
  gap:10px;
  font-size:12.3px;
  color:#8199bd;
}
.news-meta em{
  font-style:normal;
  padding:2px 10px;
  border-radius:999px;
  border:1px solid rgba(108,158,255,.22);
  background:rgba(18,34,66,.6);
  color:#a8c8ee;
}
.news-empty{
  padding:30px 22px;
  border-radius:var(--radius);
  border:1px dashed rgba(120,180,255,.3);
  background:rgba(13,24,46,.5);
  font-size:14px;
  color:var(--muted);
  text-align:center;
}
.side-panel{
  padding:24px 22px;
  border-radius:var(--radius);
  border:1px solid var(--stroke);
  background:linear-gradient(165deg,rgba(24,44,84,.72),rgba(9,17,34,.8));
  box-shadow:var(--shadow);
}
.side-panel h3{font-size:16px}
.side-panel ul{margin-top:14px;display:grid;gap:10px}
.side-panel ul a{
  display:flex;
  gap:9px;
  font-size:13.6px;
  color:#bcd1ee;
  line-height:1.65;
  transition:color .2s ease;
}
.side-panel ul a::before{content:"·";color:var(--accent);font-weight:700}
.side-panel ul a:hover{color:#fff}
.side-note{
  margin-top:18px;
  padding-top:16px;
  border-top:1px dashed rgba(120,180,255,.24);
  font-size:12.8px;
  color:#8298bb;
  line-height:1.7;
}

/* ---------- guarantee strip ---------- */
.guarantee-grid{display:grid;grid-template-columns:repeat(4,1fr);gap:16px}
.g-item{
  display:flex;
  gap:14px;
  padding:20px 18px;
  border-radius:var(--radius);
  border:1px solid var(--stroke);
  background:rgba(13,24,46,.62);
  transition:border-color .2s ease,transform .2s ease;
}
.g-item:hover{border-color:var(--stroke-hi);transform:translateY(-3px)}
.g-item .ico{width:38px;height:38px;flex:0 0 38px;margin-bottom:0}
.g-item .ico svg{width:19px;height:19px}
.g-item h3{font-size:14.6px}
.g-item p{margin-top:6px;font-size:13.1px;color:var(--muted);line-height:1.7}

/* ---------- faq ---------- */
.faq-list{display:grid;gap:12px;max-width:900px;margin:0 auto}
.faq-item{
  border-radius:var(--radius);
  border:1px solid var(--stroke);
  background:rgba(13,24,46,.62);
  overflow:hidden;
  transition:border-color .2s ease,background .2s ease;
}
.faq-item[open]{border-color:rgba(120,205,255,.4);background:rgba(19,35,66,.72)}
.faq-item summary{
  cursor:pointer;
  padding:18px 22px;
  font-size:15.2px;
  font-weight:600;
  color:#e9f2ff;
  list-style:none;
  display:flex;
  align-items:center;
  justify-content:space-between;
  gap:16px;
}
.faq-item summary::-webkit-details-marker{display:none}
.faq-item summary::after{
  content:"+";
  flex:0 0 auto;
  font-size:20px;
  font-weight:400;
  color:var(--accent);
  transition:transform .2s ease;
}
.faq-item[open] summary::after{transform:rotate(45deg)}
.faq-item .answer{
  padding:0 22px 20px;
  font-size:14px;
  color:var(--muted);
  line-height:1.85;
}

/* ---------- lead form ---------- */
.lead-box{
  position:relative;
  overflow:hidden;
  border-radius:18px;
  border:1px solid rgba(120,205,255,.28);
  background:
    linear-gradient(150deg,rgba(26,52,102,.82),rgba(8,16,34,.9)),
    url('/assets/images/backpic/back-4.webp') center/cover no-repeat;
  box-shadow:0 26px 60px rgba(3,12,32,.75),inset 0 0 40px rgba(56,225,255,.08);
  padding:44px 40px;
}
.lead-grid{display:grid;grid-template-columns:1fr 1fr;gap:38px;align-items:start}
.lead-copy h2{font-size:27px;line-height:1.4}
.lead-copy p{margin-top:14px;font-size:14.6px;color:#b9cbe8;line-height:1.85}
.lead-points{margin-top:20px;display:grid;gap:10px}
.lead-points li{
  position:relative;
  padding-left:20px;
  font-size:13.8px;
  color:#c4d6ef;
}
.lead-points li::before{
  content:"";
  position:absolute;
  left:0;top:9px;
  width:7px;height:7px;
  border-radius:2px;
  background:linear-gradient(135deg,var(--accent),var(--primary));
  box-shadow:0 0 10px rgba(56,225,255,.6);
}
.lead-form{
  display:grid;
  gap:14px;
  padding:24px 22px;
  border-radius:var(--radius);
  border:1px solid rgba(120,180,255,.26);
  background:rgba(9,18,38,.72);
  backdrop-filter:blur(10px);
}
.field{display:grid;gap:7px}
.field label{font-size:13.2px;color:#a9c0e0}
.field input,.field select{
  width:100%;
  min-height:44px;
  padding:10px 13px;
  font-size:14px;
  color:var(--text);
  border-radius:9px;
  border:1px solid rgba(108,158,255,.24);
  background:rgba(13,25,48,.86);
  transition:border-color .2s ease,box-shadow .2s ease,background .2s ease;
}
.field input::placeholder{color:#6f86a9}
.field input:hover,.field select:hover{border-color:rgba(120,180,255,.42)}
.field input:focus,.field select:focus{
  outline:none;
  border-color:var(--accent);
  box-shadow:0 0 0 3px rgba(56,225,255,.16);
  background:rgba(18,33,62,.94);
}
.form-hint{font-size:12.3px;color:#7b91b4;line-height:1.7}
.form-msg{font-size:13px;color:var(--accent);min-height:18px}

/* ---------- footer ---------- */
.site-footer{
  margin-top:10px;
  border-top:1px solid rgba(108,158,255,.16);
  background:linear-gradient(180deg,rgba(6,12,26,.4),rgba(4,8,18,.92));
  padding:56px 0 26px;
}
.footer-grid{
  display:grid;
  grid-template-columns:1.3fr 1fr 1fr;
  gap:36px;
}
.footer-brand .logo{font-size:17px}
.footer-brand p{
  margin-top:14px;
  font-size:13.6px;
  color:var(--muted);
  line-height:1.85;
  max-width:340px;
}
.footer-col h3{
  font-size:14px;
  letter-spacing:.6px;
  color:#d5e4fb;
  margin-bottom:14px;
}
.footer-col ul{display:grid;gap:9px}
.footer-col ul a{
  font-size:13.6px;
  color:var(--muted);
  transition:color .2s ease,padding-left .2s ease;
}
.footer-col ul a:hover{color:#fff;padding-left:4px}
.footer-bottom{
  margin-top:38px;
  padding-top:20px;
  border-top:1px solid rgba(108,158,255,.14);
  display:flex;
  flex-wrap:wrap;
  gap:12px;
  justify-content:space-between;
  font-size:12.8px;
  color:#7690b4;
}

/* ---------- responsive ---------- */
@media (max-width:1024px){
  .nav{display:none}
  .nav.open{
    display:flex;
    flex-direction:column;
    align-items:stretch;
    position:absolute;
    left:14px;right:14px;
    top:calc(100% + 10px);
    padding:12px;
    gap:6px;
    border-radius:16px;
    border:1px solid var(--stroke);
    background:rgba(9,17,35,.97);
    box-shadow:0 24px 50px rgba(2,8,22,.8);
  }
  .nav.open a{padding:0 16px}
  .dock{position:relative}
  .nav-toggle{display:inline-flex}
  .dock-cta{display:none}
  .hero h1{font-size:34px}
  .stat-board{grid-template-columns:repeat(2,1fr)}
  .grid-4{grid-template-columns:repeat(2,1fr)}
  .grid-3{grid-template-columns:repeat(2,1fr)}
  .channel-grid{grid-template-columns:repeat(2,1fr)}
  .plan-grid{grid-template-columns:1fr}
  .steps{grid-template-columns:repeat(2,1fr)}
  .trust-grid{grid-template-columns:repeat(2,1fr)}
  .guarantee-grid{grid-template-columns:repeat(2,1fr)}
  .news-wrap{grid-template-columns:1fr}
  .lead-grid{grid-template-columns:1fr}
  .footer-grid{grid-template-columns:1fr 1fr}
  .compare-row{grid-template-columns:1fr;gap:8px}
  .compare-row.head{display:none}
}
@media (max-width:768px){
  .container{padding:0 18px}
  .section{padding:56px 0}
  .hero-inner{padding:56px 18px 52px}
  .hero h1{font-size:27px}
  .hero-lead{font-size:14.6px}
  .section-head h2{font-size:23px}
  .grid-2{grid-template-columns:1fr}
  .news-item{flex-direction:column}
  .news-item .thumb{flex:none;width:100%;height:150px}
  .lead-box{padding:30px 20px}
  .lead-copy h2{font-size:23px}
  .footer-grid{grid-template-columns:1fr;gap:26px}
  .countdown{gap:10px;padding:10px 16px}
  .cd-clock b{min-width:38px;font-size:17px}
}
@media (max-width:520px){
  .logo{font-size:15.5px}
  .hero h1{font-size:23px;line-height:1.35}
  .hero-actions{flex-direction:column;width:100%}
  .hero-actions .btn{width:100%}
  .stat-board{grid-template-columns:1fr}
  .grid-3,.grid-4,.channel-grid,.steps,.trust-grid,.guarantee-grid{grid-template-columns:1fr}
  .compare-row{padding:15px 16px}
  .lead-form{padding:18px 16px}
  .footer-bottom{flex-direction:column;gap:8px}
}

/* roulang page: article */
:root{
 --bg:#050a16;
 --bg-soft:#071025;
 --panel:rgba(19,32,60,.62);
 --panel-solid:#0d1730;
 --stroke:rgba(108,158,255,.18);
 --stroke-hi:rgba(120,205,255,.45);
 --text:#e9f0ff;
 --muted:#94a8c9;
 --primary:#3d7bff;
 --primary-deep:#2a5ce0;
 --accent:#38e1ff;
 --warn:#ffcf6b;
 --radius:14px;
 --radius-sm:10px;
 --shadow:0 18px 42px rgba(2,8,22,.55);
 --shadow-hi:0 26px 56px rgba(3,12,32,.72);
 --maxw:1200px;
}
*,*::before,*::after{box-sizing:border-box}
html{scroll-behavior:smooth}
body{
 margin:0;
 font-family:-apple-system,BlinkMacSystemFont,"Segoe UI","PingFang SC","Hiragino Sans GB","Microsoft YaHei",sans-serif;
 background:var(--bg);
 color:var(--text);
 font-size:15px;
 line-height:1.78;
 -webkit-font-smoothing:antialiased;
}
body::before{
 content:"";
 position:fixed;
 inset:0;
 z-index:-1;
 background:
 radial-gradient(680px 420px at 12% -6%, rgba(61,123,255,.28), transparent 68%),
 radial-gradient(760px 460px at 88% 4%, rgba(56,225,255,.16), transparent 70%),
 radial-gradient(900px 620px at 50% 108%, rgba(45,86,190,.20), transparent 72%),
 linear-gradient(180deg,#050a16 0%,#060d1e 42%,#040814 100%);
}
a{color:inherit;text-decoration:none}
img{max-width:100%;display:block;height:auto}
button{font-family:inherit}
h1,h2,h3,h4,p,ul,ol,figure{margin:0}
ul,ol{padding:0;list-style:none}
input,textarea,select{font-family:inherit;font-size:15px}
::selection{background:rgba(61,123,255,.45);color:#fff}
:focus-visible{outline:2px solid var(--accent);outline-offset:3px;border-radius:6px}
.container{width:100%;max-width:var(--maxw);margin:0 auto;padding:0 24px}
/* ---------- header dock ---------- */
.site-header{
 position:sticky;
 top:0;
 z-index:60;
 padding:14px 0 6px;
 transition:padding .25s ease;
}
.dock{
 display:flex;
 align-items:center;
 gap:8px;
 max-width:var(--maxw);
 margin:0 auto;
 padding:9px 14px;
 border-radius:16px;
 border:1px solid var(--stroke);
 background:rgba(9,17,35,.72);
 backdrop-filter:blur(16px);
 -webkit-backdrop-filter:blur(16px);
 box-shadow:0 14px 34px rgba(2,8,22,.5);
 transition:background .25s ease,box-shadow .25s ease,border-color .25s ease;
}
.site-header.is-stuck .dock{
 background:rgba(8,15,31,.92);
 box-shadow:0 18px 44px rgba(2,8,22,.72);
 border-color:rgba(120,180,255,.28);
}
.logo{
 display:inline-flex;
 align-items:center;
 gap:10px;
 font-size:17px;
 font-weight:700;
 letter-spacing:.3px;
 white-space:nowrap;
}
.logo .dot{
 width:10px;height:10px;border-radius:50%;
 background:linear-gradient(135deg,var(--accent),var(--primary));
 box-shadow:0 0 14px rgba(56,225,255,.85);
 flex:none;
}
.nav{
 margin-left:auto;
 display:flex;
 align-items:center;
 gap:6px;
}
.nav a{
 display:inline-flex;
 align-items:center;
 min-height:38px;
 padding:0 14px;
 font-size:14.5px;
 color:var(--muted);
 border-radius:10px;
 border:1px solid transparent;
 transition:color .2s ease,background .2s ease,border-color .2s ease;
}
.nav a:hover{color:var(--text);background:rgba(61,123,255,.14);border-color:var(--stroke)}
.nav a.active{
 color:#fff;
 background:linear-gradient(135deg,rgba(61,123,255,.4),rgba(56,225,255,.18));
 border-color:rgba(120,205,255,.4);
 box-shadow:inset 0 0 18px rgba(56,225,255,.16);
}
.dock-cta{margin-left:8px}
.nav-toggle{
 display:none;
 margin-left:auto;
 width:42px;height:42px;
 border-radius:12px;
 border:1px solid var(--stroke);
 background:rgba(19,32,60,.7);
 color:var(--text);
 cursor:pointer;
 align-items:center;
 justify-content:center;
 transition:border-color .2s ease,background .2s ease;
}
.nav-toggle:hover{border-color:var(--stroke-hi)}
.nav-toggle span{
 display:block;width:18px;height:2px;background:currentColor;border-radius:2px;position:relative;
}
.nav-toggle span::before,.nav-toggle span::after{
 content:"";position:absolute;left:0;width:18px;height:2px;background:currentColor;border-radius:2px;
}
.nav-toggle span::before{top:-6px}
.nav-toggle span::after{top:6px}
/* ---------- buttons ---------- */
.btn{
 display:inline-flex;
 align-items:center;
 justify-content:center;
 gap:8px;
 min-height:44px;
 padding:0 22px;
 font-size:15px;
 font-weight:600;
 border-radius:10px;
 border:1px solid transparent;
 cursor:pointer;
 transition:transform .2s ease,box-shadow .2s ease,background .2s ease,border-color .2s ease,color .2s ease;
}
.btn-primary{
 color:#fff;
 background:linear-gradient(135deg,var(--primary),#2f8bff 55%,var(--accent));
 box-shadow:0 10px 26px rgba(61,123,255,.42),0 0 22px rgba(56,225,255,.22);
}
.btn-primary:hover{
 transform:translateY(-2px);
 box-shadow:0 16px 34px rgba(61,123,255,.55),0 0 30px rgba(56,225,255,.34);
}
.btn-primary:active{transform:translateY(0)}
.btn-ghost{
 color:var(--text);
 background:rgba(14,24,46,.6);
 border-color:rgba(120,180,255,.32);
}
.btn-ghost:hover{
 transform:translateY(-2px);
 border-color:var(--stroke-hi);
 background:rgba(24,42,78,.72);
 box-shadow:0 12px 26px rgba(3,12,32,.5);
}
.btn-sm{min-height:38px;padding:0 16px;font-size:14px;border-radius:9px}
/* ---------- tag / badge ---------- */
.tag{
 display:inline-flex;
 align-items:center;
 gap:6px;
 padding:5px 13px;
 font-size:12.5px;
 color:#bcd4f6;
 border-radius:999px;
 border:1px solid rgba(108,158,255,.26);
 background:rgba(16,28,54,.6);
 transition:border-color .2s ease,color .2s ease,background .2s ease;
}
.tag:hover{border-color:var(--stroke-hi);color:#fff;background:rgba(28,52,96,.7)}
.badge{
 display:inline-flex;
 align-items:center;
 gap:7px;
 padding:6px 14px;
 font-size:12.5px;
 letter-spacing:.4px;
 color:#cdeaff;
 border-radius:999px;
 border:1px solid rgba(120,205,255,.4);
 background:rgba(24,48,92,.55);
 box-shadow:inset 0 0 20px rgba(56,225,255,.16);
}
.badge i{width:7px;height:7px;border-radius:50%;background:var(--accent);box-shadow:0 0 10px var(--accent);flex:none}
/* ---------- article head ---------- */
.article-head{
 position:relative;
 padding:44px 0 40px;
 border-bottom:1px solid rgba(108,158,255,.14);
 overflow:hidden;
}
.article-head::after{
 content:"";
 position:absolute;
 inset:0;
 z-index:0;
 background:
 radial-gradient(620px 300px at 18% 0%, rgba(61,123,255,.30), transparent 68%),
 radial-gradient(560px 300px at 88% 12%, rgba(56,225,255,.14), transparent 70%);
 pointer-events:none;
}
.article-head .container{position:relative;z-index:1}
.crumb{
 display:flex;
 flex-wrap:wrap;
 align-items:center;
 gap:8px;
 font-size:13px;
 color:var(--muted);
 margin-bottom:18px;
}
.crumb a{color:#b7cdea;transition:color .2s ease}
.crumb a:hover{color:var(--accent)}
.crumb span{opacity:.55}
.article-head h1{
 font-size:36px;
 line-height:1.32;
 letter-spacing:.4px;
 max-width:940px;
 background:linear-gradient(180deg,#ffffff 24%,#a9c8ff 100%);
 -webkit-background-clip:text;
 background-clip:text;
 color:transparent;
}
.article-meta{
 display:flex;
 flex-wrap:wrap;
 align-items:center;
 gap:10px 18px;
 margin-top:20px;
 font-size:13.5px;
 color:var(--muted);
}
.article-meta em{font-style:normal;color:#c9dcf8}
.article-meta .sep{width:4px;height:4px;border-radius:50%;background:rgba(148,168,201,.6)}
.head-tags{display:flex;flex-wrap:wrap;gap:9px;margin-top:22px}
/* ---------- sections ---------- */
.section{padding:66px 0;position:relative}
.section.alt{
 background:linear-gradient(180deg,rgba(9,18,38,.72),rgba(6,12,26,.55));
 border-top:1px solid rgba(108,158,255,.1);
 border-bottom:1px solid rgba(108,158,255,.1);
}
.section-head{max-width:780px;margin-bottom:34px}
.section-head h2{
 font-size:26px;
 line-height:1.4;
 letter-spacing:.3px;
 display:flex;
 align-items:center;
 gap:12px;
}
.section-head h2::before{
 content:"";
 width:4px;height:22px;border-radius:3px;
 background:linear-gradient(180deg,var(--accent),var(--primary));
 box-shadow:0 0 14px rgba(56,225,255,.6);
 flex:none;
}
.section-head p{margin-top:12px;color:var(--muted);font-size:14.5px}
/* ---------- article layout ---------- */
.article-grid{
 display:grid;
 grid-template-columns:minmax(0,1fr) 320px;
 gap:34px;
 align-items:start;
}
.panel{
 border-radius:var(--radius);
 border:1px solid var(--stroke);
 background:var(--panel);
 box-shadow:var(--shadow);
 backdrop-filter:blur(12px);
 -webkit-backdrop-filter:blur(12px);
}
.panel-pad{padding:30px 32px}
.article-figure{
 overflow:hidden;
 border-radius:var(--radius);
 border:1px solid var(--stroke);
 box-shadow:var(--shadow);
 margin-bottom:26px;
}
.article-figure img{width:100%;aspect-ratio:16/9;object-fit:cover}
/* ---------- prose ---------- */
.prose{font-size:15.5px;line-height:1.9;color:#c6d5ee}
.prose h2{
 font-size:22px;
 line-height:1.45;
 color:#fff;
 margin:32px 0 14px;
 padding-left:14px;
 border-left:3px solid var(--primary);
}
.prose h3{font-size:17.5px;line-height:1.5;color:#eaf2ff;margin:24px 0 10px}
.prose h4{font-size:15.5px;color:#eaf2ff;margin:20px 0 8px}
.prose p{margin:0 0 16px}
.prose ul,.prose ol{margin:0 0 18px;padding-left:20px;list-style:revert}
.prose li{margin-bottom:9px}
.prose strong{color:#fff;font-weight:700}
.prose a{color:var(--accent);border-bottom:1px dashed rgba(56,225,255,.5);transition:color .2s ease,border-color .2s ease}
.prose a:hover{color:#fff;border-color:#fff}
.prose img{border-radius:12px;border:1px solid var(--stroke);margin:22px 0}
.prose blockquote{
 margin:22px 0;
 padding:16px 20px;
 border-left:3px solid var(--accent);
 border-radius:0 12px 12px 0;
 background:rgba(16,32,62,.6);
 color:#cfe0f8;
}
.prose blockquote p:last-child{margin-bottom:0}
.prose table{width:100%;border-collapse:collapse;margin:20px 0;font-size:14.5px}
.prose th,.prose td{padding:11px 14px;border:1px solid rgba(108,158,255,.18);text-align:left}
.prose th{background:rgba(24,44,84,.7);color:#e6f0ff;font-weight:600}
.prose tr:nth-child(even) td{background:rgba(13,23,48,.5)}
.prose code{
 padding:2px 7px;
 font-size:13.5px;
 border-radius:6px;
 background:rgba(56,225,255,.12);
 color:#a6ecff;
}
.prose hr{border:none;border-top:1px solid rgba(108,158,255,.18);margin:26px 0}
/* ---------- sidebar ---------- */
.side-card{padding:24px}
.side-card + .side-card{margin-top:20px}
.side-card h3{
 font-size:15.5px;
 color:#eaf2ff;
 display:flex;
 align-items:center;
 gap:9px;
 margin-bottom:16px;
}
.side-card h3::before{
 content:"";
 width:8px;height:8px;border-radius:2px;
 background:linear-gradient(135deg,var(--accent),var(--primary));
 box-shadow:0 0 10px rgba(56,225,255,.7);
 flex:none;
}
.side-list li{border-bottom:1px dashed rgba(108,158,255,.16);padding:11px 0}
.side-list li:last-child{border-bottom:none;padding-bottom:0}
.side-list a{
 display:flex;
 align-items:center;
 justify-content:space-between;
 gap:10px;
 font-size:14px;
 color:#bcd2ef;
 transition:color .2s ease,transform .2s ease;
}
.side-list a:hover{color:var(--accent);transform:translateX(3px)}
.side-list .dot-marker{
 width:5px;height:5px;border-radius:50%;
 background:var(--primary);flex:none;
 box-shadow:0 0 8px rgba(61,123,255,.9);
}
.side-list .label{display:flex;align-items:center;gap:10px}
.side-note{font-size:13px;color:var(--muted);line-height:1.8}
.side-cta{
 margin-top:20px;
 padding:24px;
 border-radius:var(--radius);
 border:1px solid rgba(120,205,255,.32);
 background:linear-gradient(150deg,rgba(38,78,160,.55),rgba(16,32,62,.72));
 box-shadow:var(--shadow);
}
.side-cta h3{font-size:16px;color:#fff;margin-bottom:10px}
.side-cta p{font-size:13.5px;color:#c3d7f4;margin-bottom:16px}
.side-cta .btn{width:100%}
/* ---------- metric cards ---------- */
.metric-grid{
 display:grid;
 grid-template-columns:repeat(4,minmax(0,1fr));
 gap:18px;
}
.metric{
 padding:24px 22px;
 border-radius:var(--radius);
 border:1px solid var(--stroke);
 background:var(--panel);
 box-shadow:var(--shadow);
 backdrop-filter:blur(10px);
 -webkit-backdrop-filter:blur(10px);
 transition:transform .2s ease,box-shadow .2s ease,border-color .2s ease;
}
.metric:hover{
 transform:translateY(-4px);
 box-shadow:var(--shadow-hi);
 border-color:var(--stroke-hi);
}
.metric .num{
 font-size:30px;
 font-weight:700;
 letter-spacing:.5px;
 background:linear-gradient(180deg,#fff,#8fb9ff 90%);
 -webkit-background-clip:text;
 background-clip:text;
 color:transparent;
 line-height:1.2;
}
.metric .num small{font-size:14px;font-weight:600;margin-left:3px}
.metric .label{margin-top:8px;font-size:14px;color:#d5e3fa;font-weight:600}
.metric .desc{margin-top:8px;font-size:13px;color:var(--muted);line-height:1.75}
/* ---------- table card ---------- */
.table-wrap{
 border-radius:var(--radius);
 border:1px solid var(--stroke);
 background:var(--panel);
 box-shadow:var(--shadow);
 overflow:hidden;
}
.table-scroll{overflow-x:auto}
table.data{width:100%;border-collapse:collapse;font-size:14.5px;min-width:620px}
table.data th,table.data td{padding:14px 18px;text-align:left;border-bottom:1px solid rgba(108,158,255,.14)}
table.data th{
 background:rgba(24,44,84,.72);
 color:#e6f0ff;
 font-weight:600;
 font-size:13.5px;
 letter-spacing:.3px;
 white-space:nowrap;
}
table.data tbody tr{transition:background .2s ease}
table.data tbody tr:hover{background:rgba(30,58,108,.42)}
table.data td{color:#c4d5ef}
table.data td strong{color:#fff}
table.data tbody tr:last-child td{border-bottom:none}
.state{
 display:inline-flex;
 align-items:center;
 gap:6px;
 padding:3px 11px;
 font-size:12.5px;
 border-radius:999px;
 border:1px solid rgba(120,205,255,.34);
 background:rgba(24,60,92,.5);
 color:#a9ecff;
}
.state.warn{border-color:rgba(255,207,107,.42);background:rgba(84,62,20,.42);color:var(--warn)}
/* ---------- timeline ---------- */
.timeline{position:relative;padding-left:26px}
.timeline::before{
 content:"";
 position:absolute;
 left:7px;top:6px;bottom:6px;width:2px;
 background:linear-gradient(180deg,var(--accent),rgba(61,123,255,.15));
}
.timeline-item{position:relative;padding:0 0 26px 0}
.timeline-item:last-child{padding-bottom:0}
.timeline-item::before{
 content:"";
 position:absolute;
 left:-24px;top:7px;
 width:12px;height:12px;
 border-radius:50%;
 background:var(--bg);
 border:2px solid var(--accent);
 box-shadow:0 0 12px rgba(56,225,255,.7);
}
.timeline-item h4{font-size:15.5px;color:#fff;margin-bottom:6px}
.timeline-item .when{font-size:12.5px;color:var(--accent);letter-spacing:.4px;margin-bottom:6px}
.timeline-item p{font-size:14px;color:var(--muted);line-height:1.8}
/* ---------- feature cards ---------- */
.card-grid{
 display:grid;
 grid-template-columns:repeat(3,minmax(0,1fr));
 gap:20px;
}
.card{
 padding:24px;
 border-radius:var(--radius);
 border:1px solid var(--stroke);
 background:var(--panel);
 box-shadow:var(--shadow);
 backdrop-filter:blur(10px);
 -webkit-backdrop-filter:blur(10px);
 transition:transform .2s ease,box-shadow .2s ease,border-color .2s ease;
}
.card:hover{transform:translateY(-4px);box-shadow:var(--shadow-hi);border-color:var(--stroke-hi)}
.card .ico{
 width:38px;height:38px;
 display:flex;align-items:center;justify-content:center;
 border-radius:11px;
 border:1px solid rgba(120,205,255,.3);
 background:linear-gradient(140deg,rgba(61,123,255,.34),rgba(56,225,255,.14));
 color:#bfe9ff;
 margin-bottom:16px;
}
.card .ico svg{width:19px;height:19px;stroke:currentColor;fill:none;stroke-width:1.7;stroke-linecap:round;stroke-linejoin:round}
.card h3{font-size:16.5px;color:#fff;margin-bottom:10px;line-height:1.5}
.card p{font-size:14px;color:var(--muted);line-height:1.8}
.card .tags{display:flex;flex-wrap:wrap;gap:8px;margin-top:16px}
/* ---------- faq ---------- */
.faq-list{display:grid;gap:14px;max-width:900px}
.faq-item{
 border-radius:var(--radius);
 border:1px solid var(--stroke);
 background:var(--panel);
 box-shadow:var(--shadow);
 overflow:hidden;
 transition:border-color .2s ease,box-shadow .2s ease;
}
.faq-item:hover{border-color:var(--stroke-hi);box-shadow:var(--shadow-hi)}
.faq-item summary{
 display:flex;
 align-items:center;
 justify-content:space-between;
 gap:16px;
 padding:18px 22px;
 font-size:15.5px;
 font-weight:600;
 color:#e8f1ff;
cursor:pointer;
 list-style:none;
}
.faq-item summary::-webkit-details-marker{display:none}
.faq-item summary::after{
 content:"+";
 font-size:20px;
 line-height:1;
 color:var(--accent);
 transition:transform .2s ease;
 flex:none;
}
.faq-item[open] summary::after{content:"−"}
.faq-item p{
 padding:0 22px 20px;
 font-size:14px;
 color:var(--muted);
 line-height:1.85;
}
/* ---------- form ---------- */
.form-panel{
 display:grid;
 grid-template-columns:minmax(0,1fr) minmax(0,1.05fr);
 gap:0;
 border-radius:18px;
 border:1px solid rgba(120,205,255,.26);
 background:linear-gradient(150deg,rgba(28,60,124,.55),rgba(11,21,42,.86));
 box-shadow:var(--shadow-hi);
 overflow:hidden;
}
.form-intro{padding:36px 34px}
.form-intro h2{font-size:24px;line-height:1.4;color:#fff}
.form-intro p{margin-top:14px;font-size:14.5px;color:#bed3f1;line-height:1.85}
.form-points{margin-top:22px;display:grid;gap:11px}
.form-points li{display:flex;gap:10px;font-size:14px;color:#cfdff8;align-items:flex-start}
.form-points li span.mark{
 width:18px;height:18px;flex:none;margin-top:3px;
 border-radius:6px;
 border:1px solid rgba(120,205,255,.4);
 background:rgba(56,225,255,.16);
 position:relative;
}
.form-points li span.mark::after{
 content:"";
 position:absolute;
 left:6px;top:2px;
 width:5px;height:9px;
 border-right:2px solid var(--accent);
 border-bottom:2px solid var(--accent);
 transform:rotate(42deg);
}
.form-body{
 padding:34px;
 background:rgba(7,14,30,.62);
 border-left:1px solid rgba(108,158,255,.16);
}
.form-row{display:grid;gap:16px}
.field label{display:block;font-size:13.5px;color:#b9cdea;margin-bottom:7px;letter-spacing:.3px}
.field input,.field select,.field textarea{
 width:100%;
 min-height:44px;
 padding:11px 14px;
 color:var(--text);
 border-radius:10px;
 border:1px solid rgba(108,158,255,.24);
 background:rgba(10,20,40,.85);
 transition:border-color .2s ease,box-shadow .2s ease,background .2s ease;
}
.field textarea{min-height:96px;resize:vertical;line-height:1.7}
.field input:hover,.field select:hover,.field textarea:hover{border-color:rgba(120,205,255,.4)}
.field input:focus,.field select:focus,.field textarea:focus{
 outline:none;
 border-color:var(--accent);
 box-shadow:0 0 0 3px rgba(56,225,255,.16);
 background:rgba(14,28,54,.95);
}
.field input::placeholder,.field textarea::placeholder{color:rgba(148,168,201,.72)}
.form-body .btn{width:100%;margin-top:18px}
.form-hint{margin-top:12px;font-size:12.5px;color:var(--muted);line-height:1.7}
/* ---------- empty state ---------- */
.empty-panel{
 padding:56px 32px;
 text-align:center;
 border-radius:var(--radius);
 border:1px solid var(--stroke);
 background:var(--panel);
 box-shadow:var(--shadow);
}
.empty-panel h1{font-size:26px;color:#fff;margin-bottom:14px}
.empty-panel p{color:var(--muted);font-size:14.5px;margin-bottom:24px}
/* ---------- footer ---------- */
.site-footer{
 margin-top:20px;
 padding:56px 0 26px;
 border-top:1px solid rgba(108,158,255,.16);
 background:linear-gradient(180deg,rgba(6,12,26,.4),rgba(4,8,18,.92));
}
.footer-grid{
 display:grid;
 grid-template-columns:minmax(0,1.4fr) minmax(0,1fr) minmax(0,1fr);
 gap:36px;
 padding-bottom:34px;
 border-bottom:1px solid rgba(108,158,255,.14);
}
.footer-brand .logo{font-size:17px;margin-bottom:14px}
.footer-brand p{font-size:13.5px;color:var(--muted);line-height:1.85;max-width:380px}
.footer-col h3{
 font-size:14.5px;
 color:#e2edff;
 margin-bottom:16px;
 letter-spacing:.4px;
 display:flex;
 align-items:center;
 gap:8px;
}
.footer-col h3::before{
 content:"";
 width:6px;height:6px;border-radius:2px;
 background:linear-gradient(135deg,var(--accent),var(--primary));
 flex:none;
}
.footer-col ul{display:grid;gap:11px}
.footer-col a{font-size:13.5px;color:var(--muted);transition:color .2s ease,transform .2s ease;display:inline-block}
.footer-col a:hover{color:var(--accent);transform:translateX(3px)}
.footer-bottom{
 display:flex;
 flex-wrap:wrap;
 gap:10px 24px;
 justify-content:space-between;
 padding-top:22px;
 font-size:12.5px;
 color:rgba(148,168,201,.86);
 line-height:1.8;
}
/* ---------- responsive ---------- */
@media (max-width:1024px){
 .article-grid{grid-template-columns:minmax(0,1fr)}
 .metric-grid{grid-template-columns:repeat(2,minmax(0,1fr))}
 .card-grid{grid-template-columns:repeat(2,minmax(0,1fr))}
 .form-panel{grid-template-columns:1fr}
 .form-body{border-left:none;border-top:1px solid rgba(108,158,255,.16)}
 .article-head h1{font-size:31px}
 .nav a{padding:0 11px;font-size:14px}
}
@media (max-width:860px){
 .nav-toggle{display:inline-flex}
 .dock{flex-wrap:wrap}
 .nav{
  order:3;
  width:100%;
  margin-left:0;
  flex-direction:column;
  align-items:stretch;
  gap:4px;
  max-height:0;
  overflow:hidden;
  opacity:0;
  transition:max-height .28s ease,opacity .24s ease,padding .24s ease;
  padding:0;
 }
 .nav.open{max-height:340px;opacity:1;padding:8px 0 4px}
 .nav a{min-height:44px;justify-content:flex-start;padding:0 14px}
 .dock-cta{display:none}
 .section{padding:54px 0}
 .article-head{padding:34px 0 32px}
}
@media (max-width:768px){
 .container{padding:0 18px}
 .article-head h1{font-size:26px;line-height:1.36}
 .section-head h2{font-size:22px}
 .panel-pad{padding:24px 20px}
 .prose{font-size:15px}
 .prose h2{font-size:19.5px}
 .metric-grid{grid-template-columns:repeat(2,minmax(0,1fr));gap:14px}
 .card-grid{grid-template-columns:1fr}
 .footer-grid{grid-template-columns:1fr;gap:28px;padding-bottom:26px}
 .form-intro,.form-body{padding:26px 22px}
 .article-meta{font-size:13px;gap:8px 14px}
}
@media (max-width:520px){
 .logo{font-size:15.5px}
 .hero-none{}
 .metric-grid{grid-template-columns:1fr}
 .metric .num{font-size:26px}
 .article-head h1{font-size:23px}
 .btn{width:100%}
 .head-tags{gap:7px}
 .tag{font-size:12px;padding:5px 11px}
 .faq-item summary{padding:16px 18px;font-size:14.5px}
 .faq-item p{padding:0 18px 18px}
 .footer-bottom{font-size:12px}
 .empty-panel{padding:40px 20px}
}

/* roulang page: category1 */
:root{
  --bg:#050a16;
  --bg-soft:#071025;
  --panel:rgba(19,32,60,.62);
  --panel-solid:#0d1730;
  --stroke:rgba(108,158,255,.18);
  --stroke-hi:rgba(120,205,255,.45);
  --text:#e9f0ff;
  --muted:#94a8c9;
  --primary:#3d7bff;
  --primary-deep:#2a5ce0;
  --accent:#38e1ff;
  --ok:#42e6a4;
  --warn:#ffcf6b;
  --bad:#ff7b7b;
  --radius:14px;
  --radius-sm:10px;
  --shadow:0 18px 42px rgba(2,8,22,.55);
  --shadow-hi:0 26px 56px rgba(3,12,32,.72);
  --maxw:1200px;
}
*,*::before,*::after{box-sizing:border-box}
html{scroll-behavior:smooth}
body{
  margin:0;
  font-family:-apple-system,BlinkMacSystemFont,"Segoe UI","PingFang SC","Hiragino Sans GB","Microsoft YaHei",sans-serif;
  background:var(--bg);
  color:var(--text);
  font-size:15px;
  line-height:1.78;
  -webkit-font-smoothing:antialiased;
}
body::before{
  content:"";
  position:fixed;
  inset:0;
  z-index:-1;
  background:
    radial-gradient(680px 420px at 12% -6%, rgba(61,123,255,.28), transparent 68%),
    radial-gradient(760px 460px at 88% 4%, rgba(56,225,255,.16), transparent 70%),
    radial-gradient(900px 620px at 50% 108%, rgba(45,86,190,.20), transparent 72%),
    linear-gradient(180deg,#050a16 0%,#060d1e 42%,#040814 100%);
}
a{color:inherit;text-decoration:none}
img{max-width:100%;display:block}
button{font-family:inherit}
h1,h2,h3,h4{margin:0;line-height:1.32;font-weight:700}
p{margin:0}
ul,ol{margin:0;padding:0;list-style:none}
:focus-visible{outline:2px solid var(--accent);outline-offset:3px;border-radius:6px}
.container{width:100%;max-width:var(--maxw);margin:0 auto;padding:0 24px}

/* ---------- header / dock ---------- */
.site-header{
  position:sticky;
  top:0;
  z-index:60;
  padding:14px 0 6px;
  transition:padding .25s ease;
}
.dock{
  display:flex;
  align-items:center;
  gap:16px;
  width:calc(100% - 48px);
  max-width:var(--maxw);
  margin:0 auto;
  padding:9px 12px 9px 18px;
  border-radius:18px;
  border:1px solid var(--stroke);
  background:rgba(9,17,34,.72);
  backdrop-filter:blur(16px);
  -webkit-backdrop-filter:blur(16px);
  box-shadow:0 12px 34px rgba(2,8,22,.5);
  transition:background .25s ease,box-shadow .25s ease,border-color .25s ease;
}
.site-header.is-stuck{padding:8px 0 4px}
.site-header.is-stuck .dock{
  background:rgba(8,15,31,.92);
  box-shadow:0 18px 44px rgba(2,8,22,.72);
  border-color:rgba(120,180,255,.28);
}
.logo{
  display:inline-flex;
  align-items:center;
  gap:10px;
  font-size:17px;
  font-weight:700;
  letter-spacing:.3px;
  white-space:nowrap;
}
.logo .dot{
  width:10px;height:10px;border-radius:50%;
  background:linear-gradient(135deg,var(--accent),var(--primary));
  box-shadow:0 0 14px rgba(56,225,255,.85);
  flex:none;
}
.nav{
  margin-left:auto;
  display:flex;
  align-items:center;
  gap:6px;
}
.nav a{
  display:inline-flex;
  align-items:center;
  min-height:38px;
  padding:0 14px;
  font-size:14.5px;
  color:var(--muted);
  border-radius:10px;
  border:1px solid transparent;
  transition:color .2s ease,background .2s ease,border-color .2s ease;
}
.nav a:hover{color:var(--text);background:rgba(61,123,255,.14);border-color:var(--stroke)}
.nav a.active{
  color:#fff;
  background:linear-gradient(135deg,rgba(61,123,255,.4),rgba(56,225,255,.18));
  border-color:rgba(120,205,255,.4);
  box-shadow:inset 0 0 18px rgba(56,225,255,.16);
}
.dock-cta{margin-left:8px}
.nav-toggle{
  display:none;
  margin-left:auto;
  width:42px;height:42px;
  border-radius:12px;
  border:1px solid var(--stroke);
  background:rgba(19,32,60,.7);
  color:var(--text);
  cursor:pointer;
  align-items:center;
  justify-content:center;
  flex:none;
}
.nav-toggle span{display:block;width:18px;height:2px;background:currentColor;border-radius:2px;position:relative}
.nav-toggle span::before,.nav-toggle span::after{
  content:"";position:absolute;left:0;width:18px;height:2px;background:currentColor;border-radius:2px;
}
.nav-toggle span::before{top:-6px}
.nav-toggle span::after{top:6px}

/* ---------- buttons ---------- */
.btn{
  display:inline-flex;
  align-items:center;
  justify-content:center;
  gap:8px;
  min-height:44px;
  padding:0 22px;
  font-size:15px;
  font-weight:600;
  border-radius:10px;
  border:1px solid transparent;
  cursor:pointer;
  transition:transform .2s ease,box-shadow .2s ease,background .2s ease,border-color .2s ease,color .2s ease;
}
.btn-primary{
  color:#fff;
  background:linear-gradient(135deg,var(--primary),#2f8bff 55%,var(--accent));
  box-shadow:0 10px 26px rgba(61,123,255,.42),0 0 22px rgba(56,225,255,.22);
}
.btn-primary:hover{
  transform:translateY(-2px);
  box-shadow:0 16px 34px rgba(61,123,255,.55),0 0 30px rgba(56,225,255,.34);
}
.btn-primary:active{transform:translateY(0)}
.btn-ghost{
  color:var(--text);
  background:rgba(14,24,46,.6);
  border-color:rgba(120,180,255,.32);
}
.btn-ghost:hover{
  transform:translateY(-2px);
  border-color:var(--stroke-hi);
  background:rgba(24,42,78,.72);
  box-shadow:0 12px 26px rgba(3,12,32,.5);
}
.btn-sm{min-height:38px;padding:0 16px;font-size:14px;border-radius:9px}

/* ---------- hero ---------- */
.hero{
  position:relative;
  margin-top:14px;
  overflow:hidden;
  border-bottom:1px solid rgba(108,158,255,.14);
  border-radius:0;
}
.hero-bg{
  position:absolute;
  inset:0;
  background-image:url('/assets/images/backpic/back-1.webp');
  background-size:cover;
  background-position:center;
  filter:saturate(.85) brightness(.72);
  transform:scale(1.05);
}
.hero-overlay{
  position:absolute;
  inset:0;
  background:
    linear-gradient(180deg,rgba(5,10,22,.82) 0%,rgba(5,10,22,.74) 46%,rgba(4,8,20,.96) 100%),
    radial-gradient(680px 360px at 24% 8%, rgba(61,123,255,.34), transparent 70%);
}
.hero-inner{
  position:relative;
  padding:66px 24px 70px;
  display:grid;
  grid-template-columns:1.12fr .88fr;
  gap:48px;
  align-items:center;
  max-width:var(--maxw);
  margin:0 auto;
}
.hero-badge{
  display:inline-flex;
  align-items:center;
  gap:8px;
  padding:7px 16px;
  font-size:13px;
  letter-spacing:.4px;
  color:#cdeaff;
  border-radius:999px;
  border:1px solid rgba(120,205,255,.4);
  background:rgba(24,48,92,.55);
  box-shadow:inset 0 0 20px rgba(56,225,255,.18);
}
.hero-badge i{
  width:7px;height:7px;border-radius:50%;background:var(--accent);
  box-shadow:0 0 10px var(--accent);
  animation:pulse 2s infinite;
}
@keyframes pulse{
  0%,100%{opacity:1;transform:scale(1)}
  50%{opacity:.45;transform:scale(.8)}
}
.hero h1{
  margin:20px 0 0;
  font-size:40px;
  line-height:1.26;
  letter-spacing:.5px;
  background:linear-gradient(180deg,#ffffff 18%,#a9c8ff 100%);
  -webkit-background-clip:text;
  background-clip:text;
  color:transparent;
  text-shadow:0 0 44px rgba(61,123,255,.35);
}
.hero-lead{
  margin:18px 0 0;
  max-width:640px;
  font-size:15.5px;
  line-height:1.86;
  color:#b7c8e6;
}
.hero-lead strong{color:#eaf3ff;font-weight:600}
.hero-actions{
  margin-top:26px;
  display:flex;
  flex-wrap:wrap;
  gap:14px;
}
.hero-tags{
  margin-top:24px;
  display:flex;
  flex-wrap:wrap;
  gap:10px;
}
.hero-tags li{
  padding:6px 15px;
  font-size:13px;
  color:#b6cdf0;
  border-radius:999px;
  border:1px solid rgba(108,158,255,.24);
  background:rgba(16,28,54,.55);
}

/* ---------- slot panel ---------- */
.slot-panel{
  border-radius:var(--radius);
  border:1px solid rgba(120,180,255,.26);
  background:linear-gradient(180deg,rgba(21,38,72,.82),rgba(10,19,38,.88));
  backdrop-filter:blur(14px);
  -webkit-backdrop-filter:blur(14px);
  box-shadow:var(--shadow-hi);
  padding:22px 22px 20px;
}
.slot-head{
  display:flex;
  align-items:center;
  justify-content:space-between;
  gap:12px;
  padding-bottom:14px;
  border-bottom:1px solid rgba(108,158,255,.16);
}
.slot-head h2{
  font-size:15.5px;
  letter-spacing:.3px;
}
.slot-live{
  display:inline-flex;
  align-items:center;
  gap:6px;
  font-size:12px;
  color:var(--ok);
  padding:4px 10px;
  border-radius:999px;
  border:1px solid rgba(66,230,164,.36);
  background:rgba(20,58,48,.5);
}
.slot-live i{width:6px;height:6px;border-radius:50%;background:var(--ok);box-shadow:0 0 8px var(--ok)}
.slot-list{margin-top:6px}
.slot-item{
  display:grid;
  grid-template-columns:1fr auto;
  grid-template-areas:"time status" "route route";
  gap:4px 12px;
  padding:13px 2px;
  border-bottom:1px dashed rgba(108,158,255,.14);
}
.slot-item:last-child{border-bottom:0}
.slot-time{grid-area:time;font-size:14px;font-weight:600;color:#dce9ff;letter-spacing:.3px}
.slot-route{grid-area:route;font-size:12.5px;color:var(--muted)}
.slot-status{
  grid-area:status;
  align-self:center;
  font-size:12px;
  padding:3px 10px;
  border-radius:999px;
  border:1px solid transparent;
  white-space:nowrap;
}
.slot-status.ok{color:var(--ok);border-color:rgba(66,230,164,.38);background:rgba(20,58,48,.5)}
.slot-status.warn{color:var(--warn);border-color:rgba(255,207,107,.4);background:rgba(64,50,20,.45)}
.slot-foot{
  margin-top:16px;
  display:flex;
  flex-direction:column;
  gap:12px;
}
.slot-note{font-size:12.5px;color:var(--muted);line-height:1.7}
.slot-foot .btn{width:100%}

/* ---------- sections ---------- */
.section{padding:74px 0;position:relative}
.section.alt{
  background:linear-gradient(180deg,rgba(9,18,38,.72),rgba(6,12,26,.55));
  border-top:1px solid rgba(108,158,255,.1);
  border-bottom:1px solid rgba(108,158,255,.1);
}
.section-head{max-width:780px;margin-bottom:36px}
.section-head.center{margin-left:auto;margin-right:auto;text-align:center}
.eyebrow{
  display:inline-flex;
  align-items:center;
  gap:9px;
  font-size:13px;
  letter-spacing:1.2px;
  color:#8fb6ff;
  text-transform:uppercase;
}
.eyebrow::before{
  content:"";
  width:22px;height:2px;border-radius:2px;
  background:linear-gradient(90deg,var(--accent),var(--primary));
  box-shadow:0 0 10px rgba(56,225,255,.7);
}
.section-title{
  margin-top:12px;
  font-size:27px;
  letter-spacing:.4px;
  color:#f2f7ff;
}
.section-desc{
  margin-top:12px;
  font-size:14.8px;
  color:var(--muted);
  line-height:1.85;
}

/* ---------- stats ---------- */
.stats-grid{
  display:grid;
  grid-template-columns:repeat(4,1fr);
  gap:18px;
}
.stat-card{
  position:relative;
  padding:24px 22px;
  border-radius:var(--radius);
  border:1px solid var(--stroke);
  background:var(--panel);
  backdrop-filter:blur(10px);
  -webkit-backdrop-filter:blur(10px);
  box-shadow:var(--shadow);
  transition:transform .2s ease,box-shadow .2s ease,border-color .2s ease;
  overflow:hidden;
}
.stat-card::after{
  content:"";
  position:absolute;
  top:0;left:22px;
  width:42px;height:2px;
  background:linear-gradient(90deg,var(--accent),transparent);
}
.stat-card:hover{
  transform:translateY(-4px);
  border-color:var(--stroke-hi);
  box-shadow:var(--shadow-hi);
}
.stat-num{
  font-size:32px;
  font-weight:700;
  letter-spacing:.5px;
  background:linear-gradient(180deg,#ffffff,#9dc4ff);
  -webkit-background-clip:text;
  background-clip:text;
  color:transparent;
  line-height:1.2;
}
.stat-num small{font-size:15px;font-weight:600;margin-left:3px}
.stat-label{margin-top:8px;font-size:14px;color:#cfe0fa}
.stat-sub{margin-top:4px;font-size:12.5px;color:var(--muted)}

/* ---------- matrix ---------- */
.matrix-grid{
  display:grid;
  grid-template-columns:repeat(3,1fr);
  gap:20px;
}
.matrix-card{
  padding:24px 22px;
  border-radius:var(--radius);
  border:1px solid var(--stroke);
  background:linear-gradient(180deg,rgba(18,31,59,.7),rgba(10,19,38,.72));
  box-shadow:var(--shadow);
  transition:transform .2s ease,box-shadow .2s ease,border-color .2s ease;
}
.matrix-card:hover{
  transform:translateY(-4px);
  border-color:var(--stroke-hi);
  box-shadow:var(--shadow-hi);
}
.m-icon{
  width:42px;height:42px;
  display:flex;
  align-items:center;
  justify-content:center;
  border-radius:12px;
  border:1px solid rgba(120,205,255,.32);
  background:rgba(28,56,108,.5);
  color:var(--accent);
}
.m-icon svg{width:20px;height:20px;stroke:currentColor;fill:none;stroke-width:1.7;stroke-linecap:round;stroke-linejoin:round}
.matrix-card h3{margin-top:16px;font-size:17px;color:#eef5ff}
.matrix-card p{margin-top:9px;font-size:14px;color:var(--muted);line-height:1.8}
.m-tags{margin-top:16px;display:flex;flex-wrap:wrap;gap:8px}
.tag{
  display:inline-flex;
  align-items:center;
  padding:3px 11px;
  font-size:12px;
  color:#a9c8f6;
  border-radius:999px;
  border:1px solid rgba(108,158,255,.24);
  background:rgba(16,28,54,.6);
}

/* ---------- compare table ---------- */
.compare-wrap{
  border-radius:var(--radius);
  border:1px solid var(--stroke);
  background:rgba(11,21,42,.66);
  overflow:hidden;
  box-shadow:var(--shadow);
}
.compare-table{width:100%;border-collapse:collapse;font-size:14px}
.compare-table thead th{
  text-align:left;
  padding:16px 20px;
  font-size:13px;
  letter-spacing:.6px;
  color:#9fb9e2;
  font-weight:600;
  background:rgba(20,36,68,.72);
  border-bottom:1px solid rgba(108,158,255,.2);
  white-space:nowrap;
}
.compare-table tbody td{
  padding:16px 20px;
  border-bottom:1px solid rgba(108,158,255,.1);
  color:#c8d9f4;
  vertical-align:middle;
}
.compare-table tbody tr:last-child td{border-bottom:0}
.compare-table tbody tr{transition:background .2s ease}
.compare-table tbody tr:hover{background:rgba(61,123,255,.1)}
.compare-table .ch-name{color:#f0f6ff;font-weight:600}
.compare-table .ch-name span{display:block;font-size:12.5px;font-weight:400;color:var(--muted);margin-top:3px}
.pill{
  display:inline-flex;
  align-items:center;
  gap:6px;
  font-size:12.5px;
  padding:3px 11px;
  border-radius:999px;
  border:1px solid transparent;
}
.pill.ok{color:var(--ok);border-color:rgba(66,230,164,.36);background:rgba(20,58,48,.45)}
.pill.warn{color:var(--warn);border-color:rgba(255,207,107,.38);background:rgba(64,50,20,.42)}
.pill.info{color:#8fc6ff;border-color:rgba(90,170,255,.36);background:rgba(20,44,84,.45)}
.compare-note{
  margin-top:16px;
  font-size:13px;
  color:var(--muted);
  line-height:1.8;
}

/* ---------- timeline ---------- */
.timeline{
  position:relative;
  display:grid;
  grid-template-columns:repeat(4,1fr);
  gap:20px;
}
.timeline::before{
  content:"";
  position:absolute;
  left:0;right:0;top:13px;
  height:1px;
  background:linear-gradient(90deg,rgba(56,225,255,.55),rgba(61,123,255,.28),transparent);
}
.tl-item{position:relative;padding-top:38px}
.tl-dot{
  position:absolute;
  top:6px;left:0;
  width:15px;height:15px;
  border-radius:50%;
  background:radial-gradient(circle at 35% 30%,#9ff0ff,#2f7bff);
  box-shadow:0 0 0 4px rgba(61,123,255,.18),0 0 18px rgba(56,225,255,.6);
}
.tl-time{font-size:13px;color:#8fb6ff;letter-spacing:.6px;font-weight:600}
.tl-item h3{margin-top:8px;font-size:16px;color:#eef5ff}
.tl-item p{margin-top:7px;font-size:13.6px;color:var(--muted);line-height:1.78}

/* ---------- news list ---------- */
.news-grid{
  display:grid;
  grid-template-columns:repeat(3,1fr);
  gap:20px;
}
.news-card{
  display:flex;
  flex-direction:column;
  padding:22px 22px 20px;
  border-radius:var(--radius);
  border:1px solid var(--stroke);
  background:linear-gradient(180deg,rgba(18,31,59,.68),rgba(10,19,38,.72));
  box-shadow:var(--shadow);
  transition:transform .2s ease,box-shadow .2s ease,border-color .2s ease;
}
.news-card:hover{
  transform:translateY(-4px);
  border-color:var(--stroke-hi);
  box-shadow:var(--shadow-hi);
}
.news-meta{
  display:flex;
  flex-wrap:wrap;
  align-items:center;
  gap:10px;
  font-size:12.5px;
  color:var(--muted);
}
.news-meta .cat{
  color:#9fd4ff;
  padding:2px 10px;
  border-radius:999px;
  border:1px solid rgba(108,158,255,.28);
  background:rgba(18,38,74,.6);
}
.news-card h3{margin-top:13px;font-size:16.5px;color:#eef5ff;line-height:1.5}
.news-card p{margin-top:10px;font-size:13.8px;color:var(--muted);line-height:1.8}
.news-more{
  margin-top:16px;
  font-size:13px;
  color:#7fb6ff;
  display:inline-flex;
  align-items:center;
  gap:6px;
}
.news-card:hover .news-more{color:var(--accent)}
.news-empty{
  grid-column:1/-1;
  padding:34px 22px;
  text-align:center;
  font-size:14px;
  color:var(--muted);
  border-radius:var(--radius);
  border:1px dashed rgba(108,158,255,.26);
  background:rgba(11,21,42,.5);
}

/* ---------- guard ---------- */
.guard-grid{
  display:grid;
  grid-template-columns:.92fr 1.08fr;
  gap:40px;
  align-items:center;
}
.guard-figure{
  position:relative;
  border-radius:var(--radius);
  overflow:hidden;
  border:1px solid rgba(120,180,255,.26);
  box-shadow:var(--shadow-hi);
}
.guard-figure img{width:100%;height:100%;object-fit:cover;aspect-ratio:16/11}
.guard-figure::after{
  content:"";
  position:absolute;
  inset:0;
  background:linear-gradient(180deg,rgba(5,10,22,.12),rgba(5,10,22,.62));
}
.guard-figure figcaption{
  position:absolute;
  left:18px;right:18px;bottom:16px;
  z-index:2;
  font-size:13px;
  color:#d3e4ff;
  line-height:1.7;
}
.guard-list{display:grid;gap:16px}
.guard-item{
  display:grid;
  grid-template-columns:36px 1fr;
  gap:14px;
  padding:18px 20px;
  border-radius:var(--radius-sm);
  border:1px solid var(--stroke);
  background:var(--panel);
  transition:transform .2s ease,border-color .2s ease,box-shadow .2s ease;
}
.guard-item:hover{
  transform:translateY(-3px);
  border-color:var(--stroke-hi);
  box-shadow:var(--shadow);
}
.guard-item .gi-icon{
  width:36px;height:36px;
  display:flex;align-items:center;justify-content:center;
  border-radius:10px;
  border:1px solid rgba(120,205,255,.3);
  background:rgba(28,56,108,.5);
  color:var(--accent);
}
.guard-item .gi-icon svg{width:18px;height:18px;stroke:currentColor;fill:none;stroke-width:1.7;stroke-linecap:round;stroke-linejoin:round}
.guard-item h3{font-size:15.5px;color:#eef5ff}
.guard-item p{margin-top:6px;font-size:13.8px;color:var(--muted);line-height:1.78}

/* ---------- steps ---------- */
.steps{
  display:grid;
  grid-template-columns:repeat(5,1fr);
  gap:16px;
}
.step{
  position:relative;
  padding:24px 18px 20px;
  border-radius:var(--radius);
  border:1px solid var(--stroke);
  background:rgba(13,23,48,.66);
  transition:transform .2s ease,border-color .2s ease,box-shadow .2s ease;
}
.step:hover{
  transform:translateY(-4px);
  border-color:var(--stroke-hi);
  box-shadow:var(--shadow);
}
.step-num{
  display:inline-flex;
  align-items:center;
  justify-content:center;
  width:30px;height:30px;
  border-radius:9px;
  font-size:13.5px;
  font-weight:700;
  color:#051021;
  background:linear-gradient(135deg,var(--accent),#6fb0ff);
  box-shadow:0 6px 16px rgba(56,225,255,.35);
}
.step h3{margin-top:14px;font-size:15.5px;color:#eef5ff}
.step p{margin-top:8px;font-size:13.4px;color:var(--muted);line-height:1.75}

/* ---------- faq ---------- */
.faq{display:grid;gap:14px;max-width:900px}
.faq-item{
  border-radius:var(--radius-sm);
  border:1px solid var(--stroke);
  background:rgba(13,23,48,.66);
  overflow:hidden;
  transition:border-color .2s ease,box-shadow .2s ease;
}
.faq-item:hover{border-color:var(--stroke-hi);box-shadow:var(--shadow)}
.faq-item summary{
  list-style:none;
  cursor:pointer;
  padding:18px 22px;
  font-size:15.5px;
  font-weight:600;
  color:#eaf3ff;
  display:flex;
  align-items:center;
  justify-content:space-between;
  gap:16px;
}
.faq-item summary::-webkit-details-marker{display:none}
.faq-item summary::after{
  content:"";
  width:9px;height:9px;
  flex:none;
  border-right:2px solid var(--accent);
  border-bottom:2px solid var(--accent);
  transform:rotate(45deg);
  transition:transform .22s ease;
  margin-top:-4px;
}
.faq-item[open] summary::after{transform:rotate(-135deg);margin-top:2px}
.faq-body{
  padding:0 22px 20px;
  font-size:14.2px;
  color:var(--muted);
  line-height:1.85;
}

/* ---------- inquiry ---------- */
.inquiry{
  display:grid;
  grid-template-columns:.9fr 1.1fr;
  gap:40px;
  align-items:start;
}
.inquiry-copy h2{font-size:26px;letter-spacing:.4px;color:#f2f7ff;margin-top:12px}
.inquiry-copy p{margin-top:14px;font-size:14.6px;color:var(--muted);line-height:1.85}
.inquiry-points{margin-top:22px;display:grid;gap:12px}
.inquiry-points li{
  display:flex;
  gap:10px;
  font-size:14px;
  color:#c6d8f2;
  align-items:flex-start;
}
.inquiry-points li::before{
  content:"";
  flex:none;
  width:7px;height:7px;
  margin-top:9px;
  border-radius:50%;
  background:linear-gradient(135deg,var(--accent),var(--primary));
  box-shadow:0 0 10px rgba(56,225,255,.7);
}
.form-card{
  padding:26px 26px 24px;
  border-radius:var(--radius);
  border:1px solid rgba(120,180,255,.26);
  background:linear-gradient(180deg,rgba(20,36,68,.82),rgba(10,19,38,.86));
  backdrop-filter:blur(14px);
  -webkit-backdrop-filter:blur(14px);
  box-shadow:var(--shadow-hi);
}
.form-grid{display:grid;grid-template-columns:1fr 1fr;gap:16px}
.field{display:flex;flex-direction:column;gap:7px}
.field.full{grid-column:1/-1}
.field label{font-size:13.4px;color:#b9cdee;letter-spacing:.3px}
.field input,.field select,.field textarea{
  width:100%;
  min-height:44px;
  padding:11px 14px;
  font-size:14px;
  color:var(--text);
  background:rgba(9,17,34,.85);
  border:1px solid rgba(108,158,255,.24);
  border-radius:9px;
  transition:border-color .2s ease,box-shadow .2s ease,background .2s ease;
  font-family:inherit;
}
.field textarea{min-height:96px;resize:vertical;line-height:1.7}
.field input::placeholder,.field textarea::placeholder{color:#61789c}
.field input:hover,.field select:hover,.field textarea:hover{border-color:rgba(120,180,255,.42)}
.field input:focus,.field select:focus,.field textarea:focus{
  outline:none;
  border-color:rgba(120,205,255,.7);
  background:rgba(11,22,44,.95);
  box-shadow:0 0 0 3px rgba(56,225,255,.16);
}
.form-actions{margin-top:20px;display:flex;flex-wrap:wrap;gap:12px;align-items:center}
.form-tip{margin-top:14px;font-size:12.8px;color:var(--muted);line-height:1.7}

/* ---------- footer ---------- */
.site-footer{
  margin-top:20px;
  padding:56px 0 26px;
  border-top:1px solid rgba(108,158,255,.16);
  background:linear-gradient(180deg,rgba(6,12,26,.4),rgba(3,7,16,.95));
}
.footer-grid{
  display:grid;
  grid-template-columns:1.4fr 1fr 1fr;
  gap:40px;
  padding-bottom:34px;
}
.footer-brand .logo{font-size:17px}
.footer-brand p{margin-top:14px;font-size:13.8px;color:var(--muted);line-height:1.85;max-width:420px}
.footer-col h3{font-size:14px;color:#dbe8ff;letter-spacing:.6px;margin-bottom:14px}
.footer-col ul{display:grid;gap:10px}
.footer-col a{font-size:13.8px;color:var(--muted);transition:color .2s ease}
.footer-col a:hover{color:var(--accent)}
.footer-bottom{
  display:flex;
  flex-wrap:wrap;
  gap:10px 24px;
  justify-content:space-between;
  padding-top:22px;
  border-top:1px solid rgba(108,158,255,.12);
  font-size:12.6px;
  color:#7b90b2;
  line-height:1.8;
}

/* ---------- responsive ---------- */
@media (max-width:1024px){
  .hero-inner{grid-template-columns:1fr;gap:34px;padding:52px 24px 58px}
  .hero h1{font-size:34px}
  .stats-grid{grid-template-columns:repeat(2,1fr)}
  .matrix-grid{grid-template-columns:repeat(2,1fr)}
  .timeline{grid-template-columns:repeat(2,1fr)}
  .timeline::before{display:none}
  .news-grid{grid-template-columns:repeat(2,1fr)}
  .steps{grid-template-columns:repeat(3,1fr)}
  .guard-grid{grid-template-columns:1fr;gap:28px}
  .inquiry{grid-template-columns:1fr;gap:28px}
  .footer-grid{grid-template-columns:1fr 1fr;gap:30px}
  .footer-brand{grid-column:1/-1}
  .section{padding:58px 0}
  .compare-wrap{overflow-x:auto}
  .compare-table{min-width:640px}
}
@media (max-width:768px){
  .dock{padding:8px 10px 8px 14px;gap:10px}
  .nav-toggle{display:inline-flex}
  .nav{
    position:absolute;
    top:calc(100% + 10px);
    left:24px;right:24px;
    flex-direction:column;
    align-items:stretch;
    gap:6px;
    padding:12px;
    border-radius:16px;
    border:1px solid rgba(120,180,255,.28);
    background:rgba(8,15,31,.97);
    backdrop-filter:blur(16px);
    -webkit-backdrop-filter:blur(16px);
    box-shadow:0 22px 48px rgba(2,8,22,.8);
    display:none;
  }
  .nav.open{display:flex}
  .nav a{min-height:44px;padding:0 14px;font-size:15px}
  .dock-cta{display:none}
  .site-header{position:sticky}
  .dock{position:relative}
  .hero h1{font-size:28px;line-height:1.34}
  .hero-lead{font-size:14.6px}
  .hero-inner{padding:42px 24px 48px}
  .section-title{font-size:22px}
  .stats-grid{grid-template-columns:1fr 1fr;gap:14px}
  .stat-card{padding:20px 18px}
  .stat-num{font-size:26px}
  .matrix-grid{grid-template-columns:1fr}
  .news-grid{grid-template-columns:1fr}
  .steps{grid-template-columns:1fr 1fr}
  .timeline{grid-template-columns:1fr}
  .footer-grid{grid-template-columns:1fr;gap:26px}
  .form-grid{grid-template-columns:1fr}
  .hero-actions .btn{flex:1 1 auto}
}
@media (max-width:520px){
  .container{padding:0 16px}
  .dock{width:calc(100% - 32px)}
  .hero-inner{padding:36px 16px 42px}
  .hero h1{font-size:24px}
  .hero-tags li{font-size:12px;padding:5px 12px}
  .stats-grid{grid-template-columns:1fr}
  .steps{grid-template-columns:1fr}
  .section{padding:48px 0}
  .section-title{font-size:20px}
  .form-card{padding:20px 18px}
  .slot-panel{padding:18px 16px}
  .footer-bottom{flex-direction:column;gap:8px}
}
@media (prefers-reduced-motion:reduce){
  *{animation:none !important;transition:none !important;scroll-behavior:auto !important}
}

/* roulang page: category2 */
:root{
  --bg:#050a16;
  --bg-soft:#071025;
  --panel:rgba(19,32,60,.62);
  --panel-solid:#0d1730;
  --stroke:rgba(108,158,255,.18);
  --stroke-hi:rgba(120,205,255,.45);
  --text:#e9f0ff;
  --muted:#94a8c9;
  --primary:#3d7bff;
  --primary-deep:#2a5ce0;
  --accent:#38e1ff;
  --warn:#ffcf6b;
  --radius:14px;
  --radius-sm:10px;
  --shadow:0 18px 42px rgba(2,8,22,.55);
  --shadow-hi:0 26px 56px rgba(3,12,32,.72);
  --maxw:1200px;
}
*,*::before,*::after{box-sizing:border-box}
html{scroll-behavior:smooth}
body{
  margin:0;
  font-family:-apple-system,BlinkMacSystemFont,"Segoe UI","PingFang SC","Hiragino Sans GB","Microsoft YaHei",sans-serif;
  background:var(--bg);
  color:var(--text);
  font-size:15px;
  line-height:1.78;
  -webkit-font-smoothing:antialiased;
}
body::before{
  content:"";
  position:fixed;
  inset:0;
  z-index:-1;
  background:
    radial-gradient(680px 420px at 12% -6%, rgba(61,123,255,.28), transparent 68%),
    radial-gradient(760px 460px at 88% 4%, rgba(56,225,255,.16), transparent 70%),
    radial-gradient(900px 620px at 50% 108%, rgba(45,86,190,.20), transparent 72%),
    linear-gradient(180deg,#050a16 0%,#060d1e 42%,#040814 100%);
}
h1,h2,h3,h4{margin:0;line-height:1.32;font-weight:700;letter-spacing:.2px}
p{margin:0}
ul,ol{margin:0;padding:0;list-style:none}
a{color:inherit;text-decoration:none}
img{max-width:100%;display:block}
button{font-family:inherit}
a:focus-visible,button:focus-visible,input:focus-visible,select:focus-visible,textarea:focus-visible,summary:focus-visible{
  outline:2px solid var(--accent);
  outline-offset:3px;
  border-radius:6px;
}
.container{width:100%;max-width:var(--maxw);margin:0 auto;padding:0 24px}

/* ---------- header / dock nav ---------- */
.site-header{position:sticky;top:0;z-index:60;padding:14px 0 6px}
.dock{
  position:relative;
  width:calc(100% - 48px);
  max-width:var(--maxw);
  margin:0 auto;
  padding:10px 14px;
  display:flex;
  align-items:center;
  gap:10px;
  border:1px solid var(--stroke);
  border-radius:16px;
  background:rgba(9,17,34,.72);
  backdrop-filter:blur(16px);
  -webkit-backdrop-filter:blur(16px);
  box-shadow:0 14px 34px rgba(2,8,22,.48);
  transition:background .25s ease,box-shadow .25s ease,border-color .25s ease;
}
.site-header.is-stuck .dock{
  background:rgba(7,14,29,.92);
  box-shadow:0 18px 44px rgba(2,8,22,.72);
  border-color:rgba(120,180,255,.28);
}
.logo{
  display:inline-flex;
  align-items:center;
  gap:10px;
  font-size:17px;
  font-weight:700;
  letter-spacing:.3px;
  white-space:nowrap;
}
.logo .dot{
  width:10px;height:10px;border-radius:50%;
  background:linear-gradient(135deg,var(--accent),var(--primary));
  box-shadow:0 0 14px rgba(56,225,255,.85);
}
.nav{margin-left:auto;display:flex;align-items:center;gap:6px}
.nav a{
  display:inline-flex;
  align-items:center;
  min-height:38px;
  padding:0 14px;
  font-size:14.5px;
  color:var(--muted);
  border-radius:10px;
  border:1px solid transparent;
  transition:color .2s ease,background .2s ease,border-color .2s ease;
}
.nav a:hover{color:var(--text);background:rgba(61,123,255,.14);border-color:var(--stroke)}
.nav a.active{
  color:#fff;
  background:linear-gradient(135deg,rgba(61,123,255,.4),rgba(56,225,255,.18));
  border-color:rgba(120,205,255,.4);
  box-shadow:inset 0 0 18px rgba(56,225,255,.16);
}
.dock-cta{margin-left:8px}
.nav-toggle{
  display:none;
  margin-left:auto;
  width:42px;height:42px;
  border-radius:12px;
  border:1px solid var(--stroke);
  background:rgba(19,32,60,.7);
  color:var(--text);
  cursor:pointer;
  align-items:center;
  justify-content:center;
}
.nav-toggle span{display:block;width:18px;height:2px;background:currentColor;border-radius:2px;position:relative}
.nav-toggle span::before,.nav-toggle span::after{content:"";position:absolute;left:0;width:18px;height:2px;background:currentColor;border-radius:2px}
.nav-toggle span::before{top:-6px}
.nav-toggle span::after{top:6px}

/* ---------- buttons ---------- */
.btn{
  display:inline-flex;
  align-items:center;
  justify-content:center;
  gap:8px;
  min-height:44px;
  padding:0 22px;
  font-size:15px;
  font-weight:600;
  border-radius:10px;
  border:1px solid transparent;
  cursor:pointer;
  transition:transform .2s ease,box-shadow .2s ease,background .2s ease,border-color .2s ease;
}
.btn-primary{
  color:#fff;
  background:linear-gradient(135deg,var(--primary),#2f8bff 55%,var(--accent));
  box-shadow:0 10px 26px rgba(61,123,255,.42),0 0 22px rgba(56,225,255,.22);
}
.btn-primary:hover{
  transform:translateY(-2px);
  box-shadow:0 16px 34px rgba(61,123,255,.55),0 0 30px rgba(56,225,255,.34);
}
.btn-primary:active{transform:translateY(0)}
.btn-ghost{
  color:var(--text);
  background:rgba(14,24,46,.6);
  border-color:rgba(120,180,255,.32);
}
.btn-ghost:hover{
  transform:translateY(-2px);
  border-color:var(--stroke-hi);
  background:rgba(24,42,78,.72);
  box-shadow:0 12px 26px rgba(3,12,32,.5);
}
.btn-sm{min-height:38px;padding:0 16px;font-size:14px;border-radius:9px}

/* ---------- category hero ---------- */
.page-hero{position:relative;overflow:hidden;border-bottom:1px solid rgba(108,158,255,.14);margin-top:6px}
.page-hero .hero-bg{
  position:absolute;inset:0;
  background:url('/assets/images/backpic/back-2.webp') center/cover no-repeat;
  transform:scale(1.04);
  filter:saturate(.85);
}
.page-hero .hero-veil{
  position:absolute;inset:0;
  background:
    linear-gradient(180deg,rgba(5,10,22,.9) 0%,rgba(5,10,22,.74) 48%,rgba(4,8,20,.97) 100%),
    radial-gradient(780px 420px at 16% 6%, rgba(61,123,255,.34), transparent 70%);
}
.hero-grid{
  position:relative;
  display:grid;
  grid-template-columns:1.12fr .88fr;
  gap:46px;
  align-items:center;
  padding:66px 24px 70px;
}
.eyebrow{
  display:inline-flex;
  align-items:center;
  gap:9px;
  padding:7px 16px;
  font-size:13px;
  letter-spacing:.6px;
  color:#cdeaff;
  border-radius:999px;
  border:1px solid rgba(120,205,255,.4);
  background:rgba(24,48,92,.55);
  box-shadow:inset 0 0 20px rgba(56,225,255,.18);
}
.eyebrow i{width:7px;height:7px;border-radius:50%;background:var(--accent);box-shadow:0 0 10px var(--accent);animation:pulse 2.2s infinite}
@keyframes pulse{0%,100%{opacity:1}50%{opacity:.42}}
.page-hero h1{
  margin:22px 0 0;
  font-size:clamp(29px,3.6vw,42px);
  line-height:1.26;
  background:linear-gradient(180deg,#ffffff 22%,#a9c8ff 100%);
  -webkit-background-clip:text;
  background-clip:text;
  color:transparent;
  text-shadow:0 0 44px rgba(61,123,255,.32);
}
.hero-lead{margin:20px 0 0;max-width:640px;font-size:15.5px;line-height:1.86;color:#b7c8e6}
.hero-tags{margin-top:24px;display:flex;flex-wrap:wrap;gap:10px}
.hero-tags li{
  padding:6px 15px;
  font-size:13px;
  color:#b6cdf0;
  border-radius:999px;
  border:1px solid rgba(108,158,255,.24);
  background:rgba(16,28,54,.55);
}
.hero-actions{margin-top:28px;display:flex;flex-wrap:wrap;gap:14px}

/* hero side panel */
.hero-panel{
  padding:24px;
  border-radius:var(--radius);
  border:1px solid var(--stroke-hi);
  background:linear-gradient(160deg,rgba(28,48,90,.72),rgba(11,20,40,.66));
  backdrop-filter:blur(16px);
  -webkit-backdrop-filter:blur(16px);
  box-shadow:var(--shadow-hi);
}
.hero-panel h2{font-size:15px;letter-spacing:.4px;color:#d6e7ff}
.panel-note{margin-top:6px;font-size:12.5px;color:var(--muted)}
.panel-list{margin-top:18px;display:grid;gap:10px}
.panel-list li{
  display:flex;align-items:center;justify-content:space-between;gap:12px;
  padding:11px 14px;
  border-radius:10px;
  border:1px solid rgba(108,158,255,.16);
  background:rgba(11,21,42,.62);
  font-size:14px;
}
.panel-list li span:first-child{color:#c6d8f5}
.panel-list li strong{color:var(--accent);font-weight:700}
.panel-meter{margin-top:18px}
.panel-meter .meter-top{display:flex;justify-content:space-between;font-size:12.5px;color:var(--muted)}
.meter-bar{margin-top:8px;height:7px;border-radius:99px;background:rgba(10,20,40,.9);overflow:hidden;border:1px solid rgba(108,158,255,.16)}
.meter-bar i{display:block;height:100%;width:96%;border-radius:99px;background:linear-gradient(90deg,var(--primary),var(--accent));box-shadow:0 0 16px rgba(56,225,255,.7)}

/* ---------- sections ---------- */
.section{padding:74px 0;position:relative}
.section.alt{
  background:linear-gradient(180deg,rgba(9,18,38,.72),rgba(6,12,26,.55));
  border-top:1px solid rgba(108,158,255,.1);
  border-bottom:1px solid rgba(108,158,255,.1);
}
.section-head{max-width:760px;margin-bottom:38px}
.section-head.center{margin-left:auto;margin-right:auto;text-align:center}
.section-head h2{font-size:clamp(22px,2.4vw,29px)}
.section-head h2::before{
  content:"";
  display:inline-block;
  width:20px;height:3px;
  margin-right:10px;
  vertical-align:middle;
  border-radius:3px;
  background:linear-gradient(90deg,var(--accent),var(--primary));
  box-shadow:0 0 12px rgba(56,225,255,.7);
}
.section-head p{margin-top:12px;color:var(--muted);font-size:14.5px;line-height:1.82}

/* ---------- grids & cards ---------- */
.grid-3{display:grid;grid-template-columns:repeat(3,1fr);gap:22px}
.grid-4{display:grid;grid-template-columns:repeat(4,1fr);gap:20px}
.grid-2{display:grid;grid-template-columns:repeat(2,1fr);gap:22px}
.card{
  position:relative;
  padding:24px;
  border-radius:var(--radius);
  border:1px solid var(--stroke);
  background:linear-gradient(160deg,rgba(24,40,74,.72),rgba(12,22,44,.6));
  backdrop-filter:blur(12px);
  -webkit-backdrop-filter:blur(12px);
  box-shadow:var(--shadow);
  transition:transform .2s ease,box-shadow .2s ease,border-color .2s ease;
}
.card:hover{
  transform:translateY(-4px);
  border-color:var(--stroke-hi);
  box-shadow:var(--shadow-hi);
}
.card h3{font-size:17px;margin-top:14px}
.card p{margin-top:10px;font-size:14px;color:#b3c5e2;line-height:1.8}
.icon-box{
  width:44px;height:44px;
  display:inline-flex;align-items:center;justify-content:center;
  border-radius:12px;
  border:1px solid rgba(120,205,255,.3);
  background:linear-gradient(140deg,rgba(61,123,255,.3),rgba(56,225,255,.12));
  color:var(--accent);
}
.icon-box svg{width:22px;height:22px;stroke:currentColor;fill:none;stroke-width:1.6;stroke-linecap:round;stroke-linejoin:round}
.tag{
  display:inline-flex;align-items:center;
  padding:3px 10px;
  font-size:12px;
  color:#a9e6ff;
  border-radius:999px;
  border:1px solid rgba(120,205,255,.3);
  background:rgba(24,58,102,.45);
}

/* stat cards */
.stat-card{
  padding:22px;
  border-radius:var(--radius);
  border:1px solid var(--stroke);
  background:linear-gradient(165deg,rgba(22,38,72,.7),rgba(10,19,38,.6));
  backdrop-filter:blur(12px);
  -webkit-backdrop-filter:blur(12px);
  box-shadow:var(--shadow);
  transition:transform .2s ease,border-color .2s ease,box-shadow .2s ease;
}
.stat-card:hover{transform:translateY(-4px);border-color:var(--stroke-hi);box-shadow:var(--shadow-hi)}
.stat-num{
  font-size:32px;
  font-weight:800;
  letter-spacing:.5px;
  background:linear-gradient(135deg,#ffffff,var(--accent));
  -webkit-background-clip:text;
  background-clip:text;
  color:transparent;
}
.stat-num small{font-size:14px;font-weight:600;margin-left:4px;color:#9fd6ff;-webkit-text-fill-color:#9fd6ff}
.stat-card h3{font-size:15px;margin-top:6px;color:#dbe8ff}
.stat-card p{margin-top:8px;font-size:13.5px;color:var(--muted);line-height:1.75}

/* compare table */
.compare-wrap{overflow-x:auto;padding-bottom:4px}
.compare-table{display:grid;gap:10px;min-width:760px}
.compare-row{
  display:grid;
  grid-template-columns:1.05fr 1fr 1fr 1fr;
  gap:14px;
  align-items:center;
  padding:16px 20px;
  font-size:14px;
  border-radius:12px;
  border:1px solid var(--stroke);
  background:rgba(14,26,50,.6);
  color:#c3d5f0;
  transition:border-color .2s ease,background .2s ease;
}
.compare-row:hover{border-color:var(--stroke-hi);background:rgba(20,36,68,.72)}
.compare-head{
  font-weight:700;
  color:#e3f2ff;
  font-size:13.5px;
  letter-spacing:.4px;
  background:linear-gradient(120deg,rgba(61,123,255,.34),rgba(56,225,255,.12));
  border-color:rgba(120,205,255,.32);
}
.compare-row strong{color:var(--accent);font-weight:700}

/* timeline */
.timeline{position:relative;padding-left:30px;margin-top:8px}
.timeline::before{
  content:"";
  position:absolute;left:8px;top:8px;bottom:10px;width:2px;
  background:linear-gradient(180deg,rgba(56,225,255,.75),rgba(61,123,255,.12));
}
.timeline li{position:relative;padding:0 0 28px 10px}
.timeline li:last-child{padding-bottom:0}
.timeline li::before{
  content:"";
  position:absolute;left:-28px;top:7px;
  width:12px;height:12px;border-radius:50%;
  background:var(--bg);
  border:2px solid var(--accent);
  box-shadow:0 0 12px rgba(56,225,255,.7);
}
.timeline h3{font-size:16px;color:#e2f0ff}
.timeline p{margin-top:7px;font-size:14px;color:#aebfd9;line-height:1.8}

/* news list */
.news-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:22px}
.news-card{
  display:flex;
  flex-direction:column;
  overflow:hidden;
  border-radius:var(--radius);
  border:1px solid var(--stroke);
  background:linear-gradient(165deg,rgba(21,37,70,.72),rgba(10,19,38,.62));
  backdrop-filter:blur(12px);
  -webkit-backdrop-filter:blur(12px);
  box-shadow:var(--shadow);
  transition:transform .2s ease,box-shadow .2s ease,border-color .2s ease;
}
.news-card:hover{transform:translateY(-4px);border-color:var(--stroke-hi);box-shadow:var(--shadow-hi)}
.news-cover{display:block;aspect-ratio:16/9;overflow:hidden}
.news-cover img{width:100%;height:100%;object-fit:cover;transition:transform .35s ease}
.news-card:hover .news-cover img{transform:scale(1.05)}
.news-body{padding:18px 20px 22px;display:flex;flex-direction:column;gap:10px;flex:1}
.news-meta{display:flex;align-items:center;gap:10px;font-size:12.5px;color:var(--muted)}
.news-body h3{font-size:16px;line-height:1.55}
.news-body h3 a:hover{color:var(--accent)}
.news-body p{font-size:13.6px;color:#a9bcd8;line-height:1.78}
.news-more{margin-top:auto;font-size:13.5px;font-weight:600;color:var(--accent)}
.news-more:hover{text-decoration:underline}
.empty-tip{padding:26px;text-align:center;color:var(--muted);border:1px dashed rgba(108,158,255,.3);border-radius:var(--radius);background:rgba(12,22,44,.5)}
.list-foot{margin-top:32px;text-align:center}

/* assurance */
.assure-list{display:grid;gap:14px}
.assure-item{
  display:flex;gap:14px;align-items:flex-start;
  padding:18px 20px;
  border-radius:12px;
  border:1px solid var(--stroke);
  background:rgba(14,26,50,.55);
  transition:border-color .2s ease,background .2s ease;
}
.assure-item:hover{border-color:var(--stroke-hi);background:rgba(20,36,68,.7)}
.assure-item h3{font-size:15px;color:#e2f0ff}
.assure-item p{margin-top:6px;font-size:13.8px;color:#a9bcd8;line-height:1.78}
.assure-item .mark{
  flex:0 0 auto;width:30px;height:30px;border-radius:9px;
  display:flex;align-items:center;justify-content:center;
  color:var(--accent);border:1px solid rgba(120,205,255,.32);
  background:rgba(24,58,102,.45);font-size:13px;font-weight:700;
}

/* faq */
.faq-list{display:grid;gap:12px;max-width:920px;margin:0 auto}
.faq-item{
  border-radius:12px;
  border:1px solid var(--stroke);
  background:rgba(13,24,46,.6);
  overflow:hidden;
  transition:border-color .2s ease,background .2s ease;
}
.faq-item[open]{border-color:var(--stroke-hi);background:rgba(18,32,62,.72)}
.faq-item summary{
  cursor:pointer;
  padding:17px 20px;
  font-size:15px;
  font-weight:600;
  color:#e2f0ff;
  list-style:none;
  display:flex;
  align-items:center;
  justify-content:space-between;
  gap:14px;
}
.faq-item summary::-webkit-details-marker{display:none}
.faq-item summary::after{
  content:"+";
  flex:0 0 auto;
  width:22px;height:22px;line-height:20px;text-align:center;
  border-radius:50%;
  border:1px solid rgba(120,205,255,.34);
  color:var(--accent);
  font-size:14px;
  transition:transform .2s ease;
}
.faq-item[open] summary::after{content:"–";transform:rotate(180deg)}
.faq-item .faq-body{padding:0 20px 18px;font-size:14px;color:#a9bcd8;line-height:1.85}

/* cta / form */
.cta-panel{
  position:relative;
  overflow:hidden;
  border-radius:18px;
  border:1px solid var(--stroke-hi);
  background:
    radial-gradient(560px 300px at 12% 0%, rgba(61,123,255,.34), transparent 70%),
    linear-gradient(150deg,rgba(20,38,74,.86),rgba(9,17,35,.9));
  box-shadow:var(--shadow-hi);
  padding:40px;
  display:grid;
  grid-template-columns:.92fr 1.08fr;
  gap:40px;
  align-items:start;
}
.cta-panel h2{font-size:clamp(21px,2.3vw,27px)}
.cta-panel .cta-lead{margin-top:14px;font-size:14.5px;color:#b3c5e2;line-height:1.85}
.cta-points{margin-top:22px;display:grid;gap:10px}
.cta-points li{display:flex;gap:10px;align-items:flex-start;font-size:13.8px;color:#a9bcd8}
.cta-points li::before{
  content:"";flex:0 0 auto;margin-top:8px;
  width:7px;height:7px;border-radius:50%;
  background:var(--accent);box-shadow:0 0 10px rgba(56,225,255,.8);
}
.form-card{
  padding:24px;
  border-radius:14px;
  border:1px solid rgba(120,180,255,.24);
  background:rgba(8,16,32,.66);
  backdrop-filter:blur(10px);
  -webkit-backdrop-filter:blur(10px);
}
.form-grid{display:grid;grid-template-columns:1fr 1fr;gap:14px}
.field{display:flex;flex-direction:column;gap:7px}
.field.full{grid-column:1 / -1}
.field label{font-size:13px;color:#c0d2ee}
.field input,.field select,.field textarea{
  width:100%;
  min-height:44px;
  padding:10px 13px;
  font-size:14px;
  color:var(--text);
  border-radius:10px;
  border:1px solid rgba(108,158,255,.24);
  background:rgba(13,24,46,.86);
  transition:border-color .2s ease,box-shadow .2s ease,background .2s ease;
}
.field textarea{min-height:96px;resize:vertical;line-height:1.7}
.field input::placeholder,.field textarea::placeholder{color:#6f85a8}
.field input:hover,.field select:hover,.field textarea:hover{border-color:rgba(120,205,255,.4)}
.field input:focus,.field select:focus,.field textarea:focus{
  border-color:var(--stroke-hi);
  background:rgba(17,31,58,.95);
  box-shadow:0 0 0 3px rgba(56,225,255,.14);
}
.form-note{margin-top:14px;font-size:12.5px;color:#7f94b8;line-height:1.7}

/* ---------- footer ---------- */
.site-footer{
  margin-top:20px;
  padding:56px 0 26px;
  border-top:1px solid rgba(108,158,255,.16);
  background:linear-gradient(180deg,rgba(5,10,22,.4),rgba(3,7,16,.9));
}
.footer-grid{display:grid;grid-template-columns:1.4fr 1fr 1fr;gap:38px}
.footer-brand .logo{margin-bottom:14px}
.footer-brand p{font-size:13.8px;color:#93a7c6;line-height:1.85;max-width:420px}
.footer-col h3{font-size:14.5px;color:#dbe8ff;margin-bottom:14px;letter-spacing:.4px}
.footer-col ul{display:grid;gap:10px}
.footer-col a{font-size:13.8px;color:#93a7c6;transition:color .2s ease,transform .2s ease}
.footer-col a:hover{color:var(--accent)}
.footer-bottom{
  margin-top:38px;
  padding-top:20px;
  border-top:1px solid rgba(108,158,255,.12);
  display:flex;
  flex-wrap:wrap;
  gap:10px 24px;
  justify-content:space-between;
  font-size:12.8px;
  color:#7d90af;
}

/* ---------- responsive ---------- */
@media (max-width:1024px){
  .hero-grid{grid-template-columns:1fr;gap:34px;padding:52px 24px 58px}
  .hero-panel{max-width:560px}
  .grid-4{grid-template-columns:repeat(2,1fr)}
  .grid-3{grid-template-columns:repeat(2,1fr)}
  .news-grid{grid-template-columns:repeat(2,1fr)}
  .cta-panel{grid-template-columns:1fr;padding:32px}
  .footer-grid{grid-template-columns:1fr 1fr;gap:30px}
  .footer-brand{grid-column:1 / -1}
  .section{padding:60px 0}
}
@media (max-width:900px){
  .nav{
    position:absolute;
    top:calc(100% + 10px);
    left:0;right:0;
    display:none;
    flex-direction:column;
    align-items:stretch;
    gap:4px;
    padding:10px;
    border-radius:14px;
    border:1px solid var(--stroke);
    background:rgba(8,15,31,.97);
    box-shadow:var(--shadow-hi);
  }
  .nav.open{display:flex}
  .nav a{min-height:44px;justify-content:flex-start}
  .nav-toggle{display:inline-flex}
  .dock-cta{margin-left:0}
}
@media (max-width:768px){
  .container{padding:0 18px}
  .dock{width:calc(100% - 28px);padding:9px 12px}
  .logo{font-size:15.5px}
  .grid-3,.grid-4,.grid-2,.news-grid,.form-grid{grid-template-columns:1fr}
  .section{padding:52px 0}
  .section-head{margin-bottom:28px}
  .card,.stat-card{padding:20px}
  .page-hero h1{font-size:clamp(25px,6.4vw,32px)}
  .hero-lead{font-size:14.5px}
  .cta-panel{padding:26px}
  .footer-grid{grid-template-columns:1fr;gap:26px}
  .footer-bottom{flex-direction:column;align-items:flex-start}
}
@media (max-width:520px){
  .dock-cta{display:none}
  .hero-actions .btn{width:100%}
  .hero-tags li{font-size:12.5px;padding:5px 12px}
  .stat-num{font-size:27px}
  .compare-row{font-size:13px;padding:14px 16px}
  .faq-item summary{font-size:14px;padding:15px 16px}
  .cta-panel{border-radius:14px;padding:22px}
}

/* roulang page: category3 */
:root{
 --bg:#050a16;
 --bg-soft:#071025;
 --panel:rgba(19,32,60,.62);
 --panel-solid:#0d1730;
 --stroke:rgba(108,158,255,.18);
 --stroke-hi:rgba(120,205,255,.45);
 --text:#e9f0ff;
 --muted:#94a8c9;
 --primary:#3d7bff;
 --primary-deep:#2a5ce0;
 --accent:#38e1ff;
 --warn:#ffcf6b;
 --ok:#43e6a8;
 --radius:14px;
 --radius-sm:10px;
 --shadow:0 18px 42px rgba(2,8,22,.55);
 --shadow-hi:0 26px 56px rgba(3,12,32,.72);
 --maxw:1200px;
}
*{box-sizing:border-box}
html{scroll-behavior:smooth}
body{
 margin:0;
 font-family:-apple-system,BlinkMacSystemFont,"Segoe UI","PingFang SC","Hiragino Sans GB","Microsoft YaHei",sans-serif;
 background:var(--bg);
 color:var(--text);
 font-size:15px;
 line-height:1.78;
 -webkit-font-smoothing:antialiased;
}
body::before{
 content:"";
 position:fixed;
 inset:0;
 z-index:-1;
 background:
 radial-gradient(680px 420px at 12% -6%, rgba(61,123,255,.28), transparent 68%),
 radial-gradient(760px 460px at 88% 4%, rgba(56,225,255,.16), transparent 70%),
 radial-gradient(900px 620px at 50% 108%, rgba(45,86,190,.20), transparent 72%),
 linear-gradient(180deg,#050a16 0%,#060d1e 42%,#040814 100%);
}
a{color:inherit;text-decoration:none}
img{max-width:100%;display:block}
button{font-family:inherit}
ul,ol{margin:0;padding:0;list-style:none}
h1,h2,h3,h4,p{margin:0}
pre{margin:0;font-family:ui-monospace,SFMono-Regular,Menlo,Consolas,"Liberation Mono",monospace}
:focus-visible{outline:2px solid var(--accent);outline-offset:3px;border-radius:6px}
.container{width:100%;max-width:var(--maxw);margin:0 auto;padding:0 24px}

/* ---------- header / dock nav ---------- */
.site-header{
 position:sticky;
 top:0;
 z-index:60;
 padding:14px 0 6px;
 transition:padding .25s ease;
}
.dock{
 width:calc(100% - 48px);
 max-width:var(--maxw);
 margin:0 auto;
 display:flex;
 align-items:center;
 gap:12px;
 padding:10px 14px 10px 20px;
 border-radius:18px;
 border:1px solid rgba(108,158,255,.22);
 background:rgba(9,17,35,.72);
 backdrop-filter:blur(16px);
 -webkit-backdrop-filter:blur(16px);
 box-shadow:0 14px 38px rgba(2,8,22,.5);
 transition:background .25s ease,box-shadow .25s ease,border-color .25s ease;
}
.site-header.is-stuck .dock{
 background:rgba(8,15,31,.9);
 box-shadow:0 18px 44px rgba(2,8,22,.72);
 border-color:rgba(120,180,255,.28);
}
.logo{
 display:inline-flex;
 align-items:center;
 gap:10px;
 font-size:17px;
 font-weight:700;
 letter-spacing:.3px;
 white-space:nowrap;
}
.logo .dot{
 width:10px;height:10px;border-radius:50%;
 background:linear-gradient(135deg,var(--accent),var(--primary));
 box-shadow:0 0 14px rgba(56,225,255,.85);
 flex:none;
}
.nav{
 margin-left:auto;
 display:flex;
 align-items:center;
 gap:6px;
}
.nav a{
 display:inline-flex;
 align-items:center;
 min-height:38px;
 padding:0 14px;
 font-size:14.5px;
 color:var(--muted);
 border-radius:10px;
 border:1px solid transparent;
 transition:color .2s ease,background .2s ease,border-color .2s ease;
}
.nav a:hover{color:var(--text);background:rgba(61,123,255,.14);border-color:var(--stroke)}
.nav a.active{
 color:#fff;
 background:linear-gradient(135deg,rgba(61,123,255,.4),rgba(56,225,255,.18));
 border-color:rgba(120,205,255,.4);
 box-shadow:inset 0 0 18px rgba(56,225,255,.16);
}
.dock-cta{margin-left:8px}
.nav-toggle{
 display:none;
 margin-left:auto;
 width:42px;height:42px;
 border-radius:12px;
 border:1px solid var(--stroke);
 background:rgba(19,32,60,.7);
 color:var(--text);
 cursor:pointer;
 align-items:center;
 justify-content:center;
}
.nav-toggle span{display:block;width:18px;height:2px;background:currentColor;border-radius:2px;position:relative;transition:transform .2s ease}
.nav-toggle span::before,.nav-toggle span::after{
 content:"";position:absolute;left:0;width:18px;height:2px;background:currentColor;border-radius:2px;transition:transform .2s ease;
}
.nav-toggle span::before{top:-6px}
.nav-toggle span::after{top:6px}

/* ---------- buttons ---------- */
.btn{
 display:inline-flex;
 align-items:center;
 justify-content:center;
 gap:8px;
 min-height:44px;
 padding:0 22px;
 font-size:15px;
 font-weight:600;
 border-radius:10px;
 border:1px solid transparent;
 cursor:pointer;
 transition:transform .2s ease,box-shadow .2s ease,background .2s ease,border-color .2s ease;
}
.btn-primary{
 color:#fff;
 background:linear-gradient(135deg,var(--primary),#2f8bff 55%,var(--accent));
 box-shadow:0 10px 26px rgba(61,123,255,.42),0 0 22px rgba(56,225,255,.22);
}
.btn-primary:hover{transform:translateY(-2px);box-shadow:0 16px 34px rgba(61,123,255,.55),0 0 30px rgba(56,225,255,.34)}
.btn-primary:active{transform:translateY(0)}
.btn-ghost{
 color:var(--text);
 background:rgba(14,24,46,.6);
 border-color:rgba(120,180,255,.32);
}
.btn-ghost:hover{transform:translateY(-2px);border-color:var(--stroke-hi);background:rgba(24,42,78,.72);box-shadow:0 12px 26px rgba(3,12,32,.5)}
.btn-sm{min-height:38px;padding:0 16px;font-size:14px;border-radius:9px}
.btn-block{width:100%}

/* ---------- hero ---------- */
.hero{
 position:relative;
 margin-top:8px;
 overflow:hidden;
 border-bottom:1px solid rgba(108,158,255,.14);
}
.hero-bg{
 position:absolute;inset:0;
 background-size:cover;background-position:center;
 transform:scale(1.04);
 filter:saturate(.9);
}
.hero-overlay{
 position:absolute;inset:0;
 background:
 linear-gradient(180deg,rgba(5,10,22,.9) 0%,rgba(5,10,22,.78) 46%,rgba(4,8,20,.97) 100%),
 radial-gradient(720px 380px at 24% 8%, rgba(61,123,255,.32), transparent 70%);
}
.hero-inner{
 position:relative;
 padding:64px 24px 62px;
 display:grid;
 grid-template-columns:1.05fr .95fr;
 gap:44px;
 align-items:center;
 max-width:var(--maxw);
 margin:0 auto;
}
.hero-badge{
 display:inline-flex;
 align-items:center;
 gap:8px;
 padding:7px 16px;
 font-size:13px;
 letter-spacing:.5px;
 color:#cdeaff;
 border-radius:999px;
 border:1px solid rgba(120,205,255,.4);
 background:rgba(24,48,92,.55);
 box-shadow:0 0 20px rgba(56,225,255,.18) inset;
}
.hero-badge i{
 width:7px;height:7px;border-radius:50%;background:var(--accent);
 box-shadow:0 0 10px var(--accent);
 animation:pulse 2s infinite;
}
@keyframes pulse{0%,100%{opacity:1;transform:scale(1)}50%{opacity:.45;transform:scale(.82)}}
.hero h1{
 margin:20px 0 0;
 font-size:38px;
 line-height:1.28;
 letter-spacing:.4px;
 background:linear-gradient(180deg,#ffffff 20%,#a9c8ff 100%);
 -webkit-background-clip:text;
 background-clip:text;
 color:transparent;
 text-shadow:0 0 44px rgba(61,123,255,.35);
}
.hero-lead{
 margin:18px 0 0;
 font-size:15.5px;
 line-height:1.85;
 color:#b7c8e6;
 max-width:560px;
}
.hero-actions{
 margin-top:28px;
 display:flex;
 flex-wrap:wrap;
 gap:14px;
}
.hero-tags{margin-top:26px;display:flex;flex-wrap:wrap;gap:10px}
.hero-tags li{
 padding:6px 15px;
 font-size:13px;
 color:#b6cdf0;
 border-radius:999px;
 border:1px solid rgba(108,158,255,.24);
 background:rgba(16,28,54,.55);
}
/* console panel */
.console{
 border-radius:var(--radius);
 border:1px solid rgba(120,205,255,.28);
 background:linear-gradient(180deg,rgba(11,22,44,.94),rgba(7,14,30,.94));
 box-shadow:var(--shadow-hi),inset 0 0 40px rgba(56,225,255,.06);
 overflow:hidden;
}
.console-bar{
 display:flex;align-items:center;gap:8px;
 padding:12px 16px;
 border-bottom:1px solid rgba(108,158,255,.16);
 background:rgba(15,28,54,.7);
}
.console-bar .d{width:9px;height:9px;border-radius:50%;background:#2b3f66}
.console-bar .d:nth-child(1){background:#3d7bff}
.console-bar .d:nth-child(2){background:#38e1ff}
.console-bar .d:nth-child(3){background:#43e6a8}
.console-bar span{margin-left:8px;font-size:12.5px;color:var(--muted);letter-spacing:.6px}
.console pre{
 padding:20px 18px 22px;
 font-size:13px;
 line-height:2;
 color:#c8dcff;
 overflow-x:auto;
}
.console .k{color:var(--accent)}
.console .v{color:#ffffff;font-weight:600}
.console .g{color:var(--ok)}
.console .w{color:var(--warn)}
.console .cm{color:#5f789f}

/* ---------- sections ---------- */
.section{padding:74px 0;position:relative}
.section.alt{
 background:linear-gradient(180deg,rgba(9,18,38,.72),rgba(6,12,26,.55));
 border-top:1px solid rgba(108,158,255,.1);
 border-bottom:1px solid rgba(108,158,255,.1);
}
.section-head{max-width:760px;margin-bottom:38px}
.section-head.center{margin-left:auto;margin-right:auto;text-align:center}
.eyebrow{
 display:inline-flex;align-items:center;gap:8px;
 font-size:12.5px;letter-spacing:1.4px;color:var(--accent);text-transform:uppercase;
}
.eyebrow::before{content:"";width:22px;height:2px;border-radius:2px;background:linear-gradient(90deg,var(--accent),transparent)}
.section-head h2{
 margin:12px 0 12px;
 font-size:28px;
 line-height:1.36;
 letter-spacing:.3px;
}
.section-head p{color:var(--muted);font-size:15px;line-height:1.85}

/* metrics */
.metrics{display:grid;grid-template-columns:repeat(4,1fr);gap:18px}
.metric{
 padding:24px 22px;
 border-radius:var(--radius);
 border:1px solid var(--stroke);
 background:var(--panel);
 backdrop-filter:blur(10px);
 transition:transform .2s ease,box-shadow .2s ease,border-color .2s ease;
}
.metric:hover{transform:translateY(-3px);box-shadow:var(--shadow);border-color:var(--stroke-hi)}
.metric b{
 display:block;
 font-size:30px;
 line-height:1.2;
 letter-spacing:.5px;
 background:linear-gradient(135deg,#ffffff,#7fb6ff);
 -webkit-background-clip:text;background-clip:text;color:transparent;
}
.metric span{display:block;margin-top:8px;font-size:13.5px;color:var(--muted)}

/* cards */
.grid-3{display:grid;grid-template-columns:repeat(3,1fr);gap:20px}
.grid-2{display:grid;grid-template-columns:repeat(2,1fr);gap:20px}
.card{
 display:flex;flex-direction:column;
 padding:26px 24px;
 border-radius:var(--radius);
 border:1px solid rgba(108,158,255,.16);
 background:linear-gradient(180deg,rgba(19,32,60,.68),rgba(11,21,42,.62));
 backdrop-filter:blur(10px);
 box-shadow:0 10px 28px rgba(2,8,22,.4);
 transition:transform .2s ease,box-shadow .2s ease,border-color .2s ease;
}
.card:hover{transform:translateY(-3px);box-shadow:var(--shadow-hi);border-color:var(--stroke-hi)}
.card-icon{
 width:42px;height:42px;border-radius:12px;
 display:inline-flex;align-items:center;justify-content:center;
 color:var(--accent);
 background:rgba(56,225,255,.1);
 border:1px solid rgba(56,225,255,.28);
 margin-bottom:16px;
}
.card h3{font-size:17.5px;line-height:1.5;margin-bottom:10px}
.card p{font-size:14.5px;color:var(--muted);line-height:1.82}
.tag-row{margin-top:16px;display:flex;flex-wrap:wrap;gap:8px}
.tag{
 font-size:12px;
 padding:4px 11px;
 border-radius:999px;
 color:#a9c6ee;
 border:1px solid rgba(108,158,255,.26);
 background:rgba(16,30,58,.7);
}
.tag.hot{color:#ffd98a;border-color:rgba(255,207,107,.35);background:rgba(255,207,107,.08)}

/* compare */
.compare{
 border-radius:var(--radius);
 border:1px solid var(--stroke);
 background:var(--panel);
 overflow:hidden;
}
.compare-head{
 display:grid;grid-template-columns:1fr 52px 1fr;
 gap:0;
 padding:14px 22px;
 font-size:13px;
 letter-spacing:1px;
 color:var(--muted);
 border-bottom:1px solid rgba(108,158,255,.16);
 background:rgba(12,24,48,.7);
}
.compare-row{
 display:grid;grid-template-columns:1fr 52px 1fr;
 align-items:center;
 gap:0;
 padding:18px 22px;
 border-bottom:1px solid rgba(108,158,255,.1);
 transition:background .2s ease;
}
.compare-row:last-child{border-bottom:none}
.compare-row:hover{background:rgba(61,123,255,.07)}
.cmp-old{font-size:14px;color:#8ea3c4;text-decoration:line-through;text-decoration-color:rgba(255,120,120,.5)}
.cmp-arrow{color:var(--accent);text-align:center;font-size:15px}
.cmp-new{font-size:14.5px;color:#dcebff}
.cmp-new b{color:var(--ok);font-weight:600}

/* timeline */
.timeline{position:relative;padding-left:26px}
.timeline::before{
 content:"";position:absolute;left:6px;top:6px;bottom:6px;width:2px;
 background:linear-gradient(180deg,var(--accent),rgba(61,123,255,.18));
}
.tl-item{position:relative;padding:0 0 26px 12px}
.tl-item:last-child{padding-bottom:0}
.tl-item::before{
 content:"";position:absolute;left:-26px;top:8px;width:12px;height:12px;border-radius:50%;
 background:var(--bg);border:2px solid var(--accent);box-shadow:0 0 12px rgba(56,225,255,.7);
}
.tl-ver{
 display:inline-flex;align-items:center;gap:8px;
 font-size:13px;color:var(--accent);letter-spacing:.8px;font-weight:600;
}
.tl-item h3{font-size:16.5px;margin:8px 0 6px}
.tl-item p{font-size:14px;color:var(--muted);line-height:1.8}

/* news list */
.news-grid{display:grid;grid-template-columns:repeat(2,1fr);gap:20px}
.news-card{
 display:flex;flex-direction:column;gap:10px;
 padding:22px 22px 20px;
 border-radius:var(--radius);
 border:1px solid rgba(108,158,255,.16);
 background:linear-gradient(180deg,rgba(19,32,60,.68),rgba(11,21,42,.62));
 transition:transform .2s ease,box-shadow .2s ease,border-color .2s ease;
}
.news-card:hover{transform:translateY(-3px);box-shadow:var(--shadow-hi);border-color:var(--stroke-hi)}
.news-cat{
 align-self:flex-start;
 font-size:12px;
 padding:3px 10px;
 border-radius:999px;
 color:#9fd8ff;
 border:1px solid rgba(56,225,255,.3);
 background:rgba(56,225,255,.08);
}
.news-card h3{font-size:16.5px;line-height:1.6}
.news-card p{font-size:14px;color:var(--muted);line-height:1.8}
.news-time{font-size:12.5px;color:#7b90b3;letter-spacing:.4px}
.news-empty{
 padding:34px 24px;
 text-align:center;
 color:var(--muted);
 border-radius:var(--radius);
 border:1px dashed rgba(108,158,255,.28);
 background:rgba(12,24,48,.5);
}

/* assurance */
.assure{display:grid;grid-template-columns:repeat(3,1fr);gap:18px}
.assure-item{
 display:flex;gap:14px;
 padding:22px;
 border-radius:var(--radius-sm);
 border:1px solid rgba(108,158,255,.16);
 background:rgba(13,24,48,.6);
 transition:border-color .2s ease,transform .2s ease;
}
.assure-item:hover{border-color:var(--stroke-hi);transform:translateY(-2px)}
.assure-icon{
 flex:none;width:38px;height:38px;border-radius:10px;
 display:inline-flex;align-items:center;justify-content:center;
 color:var(--ok);background:rgba(67,230,168,.1);border:1px solid rgba(67,230,168,.28);
}
.assure-item h3{font-size:15.5px;margin-bottom:6px}
.assure-item p{font-size:13.8px;color:var(--muted);line-height:1.78}

/* faq */
.faq-list{display:grid;gap:12px}
.faq-item{
 border-radius:var(--radius-sm);
 border:1px solid rgba(108,158,255,.16);
 background:rgba(13,24,48,.62);
 overflow:hidden;
 transition:border-color .2s ease,background .2s ease;
}
.faq-item[open]{border-color:var(--stroke-hi);background:rgba(17,31,60,.8)}
.faq-item summary{
 cursor:pointer;
 list-style:none;
 padding:18px 52px 18px 22px;
 font-size:15.5px;
 font-weight:600;
 position:relative;
 transition:color .2s ease;
}
.faq-item summary::-webkit-details-marker{display:none}
.faq-item summary::after{
 content:"";position:absolute;right:22px;top:24px;
 width:9px;height:9px;border-right:2px solid var(--accent);border-bottom:2px solid var(--accent);
 transform:rotate(45deg);transition:transform .2s ease;
}
.faq-item[open] summary::after{transform:rotate(-135deg)}
.faq-item summary:hover{color:#bfe0ff}
.faq-body{padding:0 22px 20px;font-size:14.3px;color:var(--muted);line-height:1.85}

/* inquiry form */
.inquiry{
 display:grid;
 grid-template-columns:1fr 1fr;
 gap:36px;
 align-items:center;
 padding:44px 40px;
 border-radius:18px;
 border:1px solid rgba(120,205,255,.26);
 background:
 radial-gradient(560px 260px at 12% 0%, rgba(61,123,255,.3), transparent 70%),
 linear-gradient(180deg,rgba(15,29,58,.9),rgba(9,18,38,.9));
 box-shadow:var(--shadow-hi);
}
.inquiry h2{font-size:26px;line-height:1.4;margin-bottom:12px}
.inquiry p{color:#b0c3e2;font-size:14.6px;line-height:1.85}
.inquiry-meta{margin-top:20px;display:flex;flex-wrap:wrap;gap:10px}
.inquiry-meta li{
 font-size:12.5px;color:#a9c6ee;padding:5px 12px;border-radius:999px;
 border:1px solid rgba(108,158,255,.26);background:rgba(16,30,58,.6);
}
.form-field{margin-bottom:14px}
.form-field label{display:block;font-size:13px;color:var(--muted);margin-bottom:7px;letter-spacing:.4px}
.form-field input,.form-field textarea,.form-field select{
 width:100%;
 padding:12px 14px;
 font-size:14.5px;
 color:var(--text);
 background:rgba(8,17,34,.85);
 border:1px solid rgba(108,158,255,.24);
 border-radius:10px;
 font-family:inherit;
 transition:border-color .2s ease,box-shadow .2s ease,background .2s ease;
}
.form-field input::placeholder,.form-field textarea::placeholder{color:#6d82a4}
.form-field input:focus,.form-field textarea:focus,.form-field select:focus{
 outline:none;
 border-color:var(--stroke-hi);
 background:rgba(11,23,46,.95);
 box-shadow:0 0 0 3px rgba(56,225,255,.14);
}
.form-field textarea{resize:vertical;min-height:92px}
.form-note{font-size:12.5px;color:#7f94b6;margin-top:10px;line-height:1.7}
.form-tip{
 margin-top:12px;font-size:13.5px;color:var(--ok);
 display:none;
}
.form-tip.show{display:block}

/* footer */
.site-footer{
 margin-top:20px;
 padding:56px 0 30px;
 border-top:1px solid rgba(108,158,255,.16);
 background:linear-gradient(180deg,rgba(6,13,28,.6),rgba(4,8,20,.95));
}
.footer-grid{display:grid;grid-template-columns:1.4fr 1fr 1fr;gap:40px}
.footer-brand .logo{font-size:16.5px}
.footer-brand p{margin-top:14px;font-size:13.8px;color:var(--muted);line-height:1.85;max-width:360px}
.footer-col h3{font-size:14px;color:#cfe2ff;letter-spacing:.6px;margin-bottom:14px}
.footer-col li{margin-bottom:10px}
.footer-col a{font-size:13.8px;color:var(--muted);transition:color .2s ease}
.footer-col a:hover{color:var(--accent)}
.footer-bottom{
 margin-top:38px;padding-top:20px;
 border-top:1px solid rgba(108,158,255,.12);
 display:flex;flex-wrap:wrap;gap:12px;justify-content:space-between;
 font-size:12.8px;color:#7b90b3;
}

/* responsive */
@media (max-width:1024px){
 .hero-inner{grid-template-columns:1fr;gap:32px;padding:52px 24px 54px}
 .hero h1{font-size:33px}
 .metrics{grid-template-columns:repeat(2,1fr)}
 .grid-3,.assure{grid-template-columns:repeat(2,1fr)}
 .inquiry{grid-template-columns:1fr;padding:36px 28px;gap:28px}
 .footer-grid{grid-template-columns:1fr 1fr;gap:30px}
 .footer-brand{grid-column:1 / -1}
}
@media (max-width:820px){
 .site-header{padding:10px 0 4px}
 .dock{width:calc(100% - 28px);padding:9px 12px 9px 16px;border-radius:16px;flex-wrap:wrap}
 .nav-toggle{display:inline-flex}
 .nav{
  order:3;
  width:100%;
  margin-left:0;
  flex-direction:column;
  align-items:stretch;
  gap:4px;
  max-height:0;
  overflow:hidden;
  transition:max-height .28s ease,padding .28s ease;
 }
 .nav.open{max-height:320px;padding:10px 0 4px}
 .nav a{width:100%;min-height:42px;justify-content:flex-start}
 .dock-cta{margin-left:auto;order:2}
 .hero h1{font-size:29px}
 .grid-3,.grid-2,.news-grid,.assure{grid-template-columns:1fr}
 .compare-head{display:none}
 .compare-row{grid-template-columns:1fr;gap:6px;padding:16px 18px}
 .cmp-arrow{text-align:left;transform:rotate(90deg);width:16px}
 .section{padding:56px 0}
 .section-head h2{font-size:23px}
 .console pre{font-size:12px;line-height:1.95}
 .inquiry h2{font-size:22px}
}
@media (max-width:520px){
 .container{padding:0 18px}
 .logo{font-size:15.5px}
 .hero-inner{padding:40px 18px 46px}
 .hero h1{font-size:25px}
 .hero-lead{font-size:14.6px}
 .metrics{grid-template-columns:1fr}
 .metric b{font-size:26px}
 .card{padding:22px 18px}
 .inquiry{padding:28px 20px}
 .footer-bottom{flex-direction:column;gap:8px}
 .btn{width:100%}
 .hero-actions .btn,.inquiry .btn{width:100%}
 .dock-cta{width:auto}
}