/* roulang page: index */
:root{
  --bg-base:#080A11;
  --bg-deep:#0C1018;
  --bg-panel:#121826;
  --primary:#3D7BFF;
  --primary-glow:rgba(61,123,255,.42);
  --accent:#FFB03A;
  --accent-glow:rgba(255,176,58,.36);
  --mint:#35E0C8;
  --text-1:#EDF2FB;
  --text-2:#A9B6CD;
  --text-3:#6E7C96;
  --glass:rgba(255,255,255,.055);
  --glass-strong:rgba(255,255,255,.09);
  --glass-border:rgba(255,255,255,.12);
  --danger:#FF6B6B;
  --r-lg:20px;
  --r-md:14px;
  --shadow-1:0 8px 24px rgba(0,0,0,.35);
  --shadow-2:0 18px 44px rgba(0,0,0,.48);
  --container:1200px;
  --font:"PingFang SC","HarmonyOS Sans","Microsoft YaHei","Helvetica Neue",Arial,sans-serif;
}
*,*::before,*::after{box-sizing:border-box;}
html{-webkit-text-size-adjust:100%;scroll-behavior:smooth;}
body{
  margin:0;
  font-family:var(--font);
  font-size:16px;
  line-height:1.85;
  color:var(--text-1);
  background:
    radial-gradient(900px 520px at 12% -6%, rgba(61,123,255,.16), transparent 62%),
    radial-gradient(760px 460px at 92% 4%, rgba(255,176,58,.10), transparent 60%),
    var(--bg-base);
  overflow-x:hidden;
  -webkit-font-smoothing:antialiased;
}
img{max-width:100%;display:block;border-radius:var(--r-md);}
a{color:inherit;text-decoration:none;}
p{margin:0;}
h1,h2,h3,h4{margin:0;line-height:1.28;font-weight:700;}
ul,ol{margin:0;padding:0;list-style:none;}
button,input,select,textarea{font:inherit;color:inherit;}
button{cursor:pointer;border:0;background:none;}
:focus-visible{outline:2px solid var(--mint);outline-offset:3px;border-radius:6px;}
.container{width:100%;max-width:var(--container);margin:0 auto;padding:0 24px;}
.section{padding:96px 0;position:relative;}
.section--alt{background:linear-gradient(180deg,rgba(12,16,24,.92),rgba(12,16,24,.55));}
.section--panel{background:linear-gradient(180deg,rgba(18,24,38,.78),rgba(8,10,17,.35));}
.section-head{max-width:760px;margin-bottom:44px;}
.section-tag{
  display:inline-flex;align-items:center;gap:8px;
  height:28px;padding:0 14px;border-radius:999px;
  font-size:12.5px;letter-spacing:.06em;color:var(--accent);
  background:rgba(255,176,58,.10);
  border:1px solid rgba(255,176,58,.34);
  margin-bottom:16px;
}
.section-title{font-size:clamp(24px,3vw,36px);letter-spacing:-.01em;}
.section-title em{font-style:normal;color:var(--accent);}
.section-desc{margin-top:16px;color:var(--text-2);font-size:15.5px;line-height:1.9;}
/* ---------- buttons ---------- */
.btn{
  display:inline-flex;align-items:center;justify-content:center;gap:8px;
  height:50px;padding:0 26px;border-radius:999px;
  font-size:15px;font-weight:600;letter-spacing:.01em;
  transition:transform .22s ease,box-shadow .22s ease,background .22s ease,border-color .22s ease,color .22s ease;
  white-space:nowrap;
}
.btn--primary{
  color:#fff;
  background:linear-gradient(135deg,#3D7BFF,#2A5BE0);
  box-shadow:inset 0 0 0 1px rgba(255,255,255,.12),0 10px 30px var(--primary-glow);
}
.btn--primary:hover{transform:translateY(-1px);filter:brightness(1.08);box-shadow:inset 0 0 0 1px rgba(255,255,255,.16),0 14px 40px var(--primary-glow);}
.btn--primary:active{transform:translateY(1px);box-shadow:inset 0 0 0 1px rgba(255,255,255,.10),0 6px 18px var(--primary-glow);}
.btn--accent{
  color:#20160A;
  background:linear-gradient(135deg,#FFC158,#FF9B21);
  box-shadow:inset 0 0 0 1px rgba(255,255,255,.28),0 10px 30px var(--accent-glow);
}
.btn--accent:hover{transform:translateY(-1px);filter:brightness(1.05);box-shadow:inset 0 0 0 1px rgba(255,255,255,.36),0 14px 40px var(--accent-glow);}
.btn--accent:active{transform:translateY(1px);}
.btn--ghost{
  color:var(--text-1);
  background:var(--glass);
  border:1px solid var(--glass-border);
  backdrop-filter:blur(14px) saturate(140%);
  -webkit-backdrop-filter:blur(14px) saturate(140%);
}
.btn--ghost:hover{border-color:rgba(61,123,255,.72);box-shadow:0 0 0 1px rgba(61,123,255,.25),0 12px 30px rgba(0,0,0,.4);transform:translateY(-1px);}
.btn--sm{height:42px;padding:0 20px;font-size:14px;}
.btn[disabled]{opacity:.42;cursor:not-allowed;box-shadow:none;transform:none;}
/* ---------- badges ---------- */
.badge{
  display:inline-flex;align-items:center;gap:6px;
  height:26px;padding:0 12px;border-radius:999px;
  font-size:12.5px;font-weight:500;line-height:1;
  white-space:nowrap;
}
.badge--price{color:var(--accent);background:rgba(255,176,58,.10);border:1px solid rgba(255,176,58,.36);}
.badge--state{color:var(--text-1);background:rgba(53,224,200,.10);border:1px solid rgba(53,224,200,.34);}
.badge--cat{color:var(--text-2);background:rgba(255,255,255,.07);border:1px solid var(--glass-border);}
.dot{width:7px;height:7px;border-radius:50%;background:var(--mint);box-shadow:0 0 0 0 rgba(53,224,200,.6);animation:pulse 2.4s infinite;}
@keyframes pulse{
  0%{box-shadow:0 0 0 0 rgba(53,224,200,.55);}
  70%{box-shadow:0 0 0 9px rgba(53,224,200,0);}
  100%{box-shadow:0 0 0 0 rgba(53,224,200,0);}
}
/* ---------- header ---------- */
.site-header{
  position:fixed;top:0;left:0;right:0;z-index:120;
  background:rgba(8,10,17,.35);
  backdrop-filter:blur(18px) saturate(150%);
  -webkit-backdrop-filter:blur(18px) saturate(150%);
  border-bottom:1px solid rgba(255,255,255,.10);
  box-shadow:0 6px 26px rgba(0,0,0,.28);
  transition:background .24s ease,box-shadow .24s ease,border-color .24s ease;
}
.site-header.is-scrolled{
  background:rgba(12,16,24,.96);
  box-shadow:0 14px 38px rgba(0,0,0,.55);
  border-bottom-color:rgba(255,255,255,.14);
}
.nav-inner{
  display:flex;align-items:center;gap:28px;
  height:76px;transition:height .22s ease;
}
.site-header.is-scrolled .nav-inner{height:64px;}
.logo{display:flex;align-items:center;gap:11px;flex-shrink:0;}
.logo-mark{
  width:40px;height:40px;border-radius:12px;flex-shrink:0;
  display:grid;place-items:center;
  background:linear-gradient(150deg,rgba(61,123,255,.95),rgba(28,52,116,.95));
  box-shadow:inset 0 0 0 1px rgba(255,255,255,.18),0 8px 22px rgba(61,123,255,.35);
}
.logo-mark svg{width:22px;height:22px;}
.logo-text{display:flex;flex-direction:column;line-height:1.2;}
.logo-text b{font-size:15.5px;letter-spacing:.01em;font-weight:700;}
.logo-text span{font-size:11.5px;color:var(--text-3);letter-spacing:.12em;}
.nav-links{display:flex;align-items:center;gap:6px;margin-left:auto;}
.nav-links a{
  position:relative;
  padding:9px 14px;border-radius:10px;
  font-size:14.5px;color:var(--text-2);
  transition:color .2s ease,background .2s ease;
}
.nav-links a::after{
  content:"";position:absolute;left:14px;right:14px;bottom:2px;height:2px;
  background:linear-gradient(90deg,var(--primary),rgba(61,123,255,0));
  border-radius:2px;transform:scaleX(0);transform-origin:left;
  transition:transform .24s ease;
}
.nav-links a:hover{color:var(--text-1);background:rgba(255,255,255,.05);}
.nav-links a:hover::after{transform:scaleX(1);}
.nav-links a.is-active{color:var(--text-1);}
.nav-links a.is-active::before{
  content:"";position:absolute;left:2px;top:50%;transform:translateY(-50%);
  width:6px;height:6px;border-radius:50%;background:var(--mint);
  box-shadow:0 0 10px rgba(53,224,200,.9);
}
.nav-actions{display:flex;align-items:center;gap:12px;flex-shrink:0;}
.icon-btn{
  width:42px;height:42px;border-radius:50%;
  display:grid;place-items:center;
  background:var(--glass);border:1px solid var(--glass-border);
  color:var(--text-2);
  transition:color .2s ease,border-color .2s ease,background .2s ease;
}
.icon-btn:hover{color:var(--text-1);border-color:rgba(61,123,255,.6);background:rgba(61,123,255,.12);}
.nav-toggle{display:none;width:42px;height:42px;border-radius:12px;background:var(--glass);border:1px solid var(--glass-border);}
.nav-toggle span{display:block;width:18px;height:2px;background:var(--text-1);margin:4px auto;border-radius:2px;transition:transform .24s ease,opacity .24s ease;}
.nav-toggle.is-open span:nth-child(1){transform:translateY(6px) rotate(45deg);}
.nav-toggle.is-open span:nth-child(2){opacity:0;}
.nav-toggle.is-open span:nth-child(3){transform:translateY(-6px) rotate(-45deg);}
.drawer-mask{position:fixed;inset:0;background:rgba(4,6,12,.66);backdrop-filter:blur(3px);opacity:0;visibility:hidden;transition:opacity .26s ease,visibility .26s ease;z-index:130;}
.drawer-mask.is-open{opacity:1;visibility:visible;}
.drawer{
  position:fixed;top:0;right:0;bottom:0;width:min(86vw,340px);z-index:140;
  background:rgba(12,16,24,.97);
  backdrop-filter:blur(20px);
  border-left:1px solid var(--glass-border);
  transform:translateX(102%);transition:transform .3s cubic-bezier(.4,0,.2,1);
  padding:88px 22px 30px;
  display:flex;flex-direction:column;gap:8px;
}
.drawer.is-open{transform:translateX(0);}
.drawer a{
  padding:14px 16px;border-radius:12px;font-size:15.5px;color:var(--text-2);
  border:1px solid transparent;transition:.2s ease;
}
.drawer a:hover,.drawer a.is-active{color:var(--text-1);background:rgba(255,255,255,.06);border-color:var(--glass-border);}
.drawer .btn{margin-top:18px;width:100%;}
/* ---------- hero ---------- */
.hero{
  position:relative;
  padding:150px 0 84px;
  overflow:hidden;
  border-bottom:1px solid rgba(255,255,255,.07);
}
.hero-bg{
  position:absolute;inset:0;z-index:0;
  background-image:url('/assets/images/e886514cbf6a648b.webp');
  background-size:cover;background-position:center;
  opacity:.30;filter:saturate(.9);
}
.hero-bg::after{
  content:"";position:absolute;inset:0;
  background:
    radial-gradient(760px 460px at 18% 22%, rgba(61,123,255,.30), transparent 66%),
    linear-gradient(180deg,rgba(8,10,17,.86),rgba(8,10,17,.97));
}
.hero .container{position:relative;z-index:2;}
.hero-grid{display:grid;grid-template-columns:1.08fr .92fr;gap:48px;align-items:start;}
.hero-eyebrow{display:flex;flex-wrap:wrap;gap:10px;margin-bottom:22px;}
.hero h1{
  font-size:clamp(28px,3.6vw,46px);
  font-weight:800;letter-spacing:-.02em;line-height:1.22;
}
.hero h1 .hl{
  display:inline-block;color:var(--accent);
  text-shadow:0 0 26px rgba(255,176,58,.35);
}
.hero-lead{
  margin-top:22px;color:var(--text-2);font-size:16px;line-height:1.95;max-width:640px;
}
.hero-actions{display:flex;flex-wrap:wrap;gap:14px;margin-top:30px;}
.hero-metrics{
  display:grid;grid-template-columns:repeat(3,minmax(0,1fr));
  gap:18px;margin-top:38px;padding-top:26px;
  border-top:1px solid rgba(255,255,255,.10);
}
.hero-metrics b{display:block;font-size:clamp(20px,2.2vw,26px);font-weight:700;letter-spacing:-.01em;}
.hero-metrics b em{font-style:normal;color:var(--accent);font-size:.62em;margin-left:3px;}
.hero-metrics span{display:block;font-size:13px;color:var(--text-3);margin-top:4px;}
.quick-panel{
  background:var(--glass);
  border:1px solid var(--glass-border);
  border-radius:var(--r-lg);
  backdrop-filter:blur(16px) saturate(140%);
  -webkit-backdrop-filter:blur(16px) saturate(140%);
  box-shadow:var(--shadow-1);
  padding:22px;
  position:relative;overflow:hidden;
}
.quick-panel::before{
  content:"";position:absolute;top:0;left:0;right:0;height:1px;
  background:linear-gradient(90deg,rgba(255,255,255,.36),rgba(255,255,255,0));
}
.quick-head{display:flex;align-items:center;justify-content:space-between;gap:12px;margin-bottom:16px;}
.quick-head h2{font-size:15px;font-weight:600;color:var(--text-1);}
.quick-head .status{font-size:12.5px;color:var(--mint);display:flex;align-items:center;gap:7px;}
.quick-grid{display:grid;grid-template-columns:1fr 1fr;gap:12px;}
.quick-card{
  display:block;padding:16px 14px;border-radius:var(--r-md);
  background:rgba(255,255,255,.045);
  border:1px solid rgba(255,255,255,.09);
  transition:transform .22s ease,border-color .22s ease,background .22s ease,box-shadow .22s ease;
}
.quick-card:hover{transform:translateY(-3px);border-color:rgba(61,123,255,.55);background:rgba(61,123,255,.10);box-shadow:0 14px 30px rgba(0,0,0,.4);}
.quick-card b{display:block;font-size:14.5px;font-weight:600;}
.quick-card span{display:block;font-size:12.5px;color:var(--text-3);margin-top:3px;}
.quick-foot{
  margin-top:16px;padding-top:14px;border-top:1px solid rgba(255,255,255,.09);
  display:flex;align-items:center;justify-content:space-between;gap:12px;
  font-size:12.5px;color:var(--text-3);
}
.quick-foot strong{color:var(--accent);font-size:15px;font-weight:700;}
/* ---------- trust bar ---------- */
.trust-bar{border-bottom:1px solid rgba(255,255,255,.07);background:rgba(12,16,24,.7);}
.trust-list{display:grid;grid-template-columns:repeat(4,1fr);}
.trust-item{
  padding:26px 20px;display:flex;align-items:center;gap:12px;
  border-right:1px solid rgba(255,255,255,.07);
}
.trust-item:last-child{border-right:0;}
.trust-icon{
  width:38px;height:38px;border-radius:11px;flex-shrink:0;display:grid;place-items:center;
  background:rgba(61,123,255,.14);border:1px solid rgba(61,123,255,.36);color:#9FC0FF;
}
.trust-icon svg{width:18px;height:18px;}
.trust-item b{display:block;font-size:14.5px;font-weight:600;}
.trust-item span{display:block;font-size:12.5px;color:var(--text-3);margin-top:2px;}
/* ---------- glass cards ---------- */
.card{
  position:relative;
  background:var(--glass);
  border:1px solid var(--glass-border);
  border-radius:var(--r-lg);
  backdrop-filter:blur(16px) saturate(140%);
  -webkit-backdrop-filter:blur(16px) saturate(140%);
  box-shadow:var(--shadow-1);
  overflow:hidden;
  transition:transform .24s ease,box-shadow .24s ease,border-color .24s ease;
}
.card::before{
  content:"";position:absolute;top:0;left:0;right:0;height:1px;
  background:linear-gradient(90deg,rgba(255,255,255,.34),rgba(255,255,255,0));
}
.card:hover{transform:translateY(-4px);box-shadow:var(--shadow-2);border-color:rgba(255,255,255,.20);}
/* value block */
.value-grid{display:grid;grid-template-columns:1.35fr .65fr;gap:24px;}
.value-main{padding:38px 34px;}
.value-main h3{font-size:clamp(21px,2.4vw,27px);margin-bottom:16px;}
.value-main p{color:var(--text-2);font-size:15.5px;line-height:1.95;}
.value-stats{display:grid;grid-template-columns:repeat(3,1fr);gap:16px;margin-top:30px;padding-top:26px;border-top:1px solid rgba(255,255,255,.10);}
.value-stats b{display:block;font-size:clamp(22px,2.6vw,30px);font-weight:700;color:var(--accent);letter-spacing:-.01em;font-variant-numeric:tabular-nums;}
.value-stats span{display:block;font-size:13px;color:var(--text-3);margin-top:4px;}
.value-side{display:flex;flex-direction:column;gap:24px;}
.side-card{padding:26px 24px;flex:1;display:flex;flex-direction:column;justify-content:space-between;gap:14px;}
.side-card h4{font-size:17px;}
.side-card p{font-size:13.8px;color:var(--text-2);line-height:1.85;}
.side-card .badge{align-self:flex-start;}
/* channel */
.channel-card{
  display:grid;grid-template-columns:1fr .72fr;gap:0;
  align-items:stretch;overflow:hidden;
}
.channel-body{padding:38px 34px;display:flex;flex-direction:column;gap:16px;}
.channel-body h3{font-size:clamp(20px,2.3vw,26px);}
.channel-body p{color:var(--text-2);font-size:15px;line-height:1.9;}
.channel-tags{display:flex;flex-wrap:wrap;gap:9px;}
.channel-tags span{
  font-size:12.5px;color:var(--text-2);padding:6px 13px;border-radius:999px;
  background:rgba(255,255,255,.05);border:1px solid rgba(255,255,255,.10);
}
.channel-media{position:relative;min-height:280px;overflow:hidden;}
.channel-media img{width:100%;height:100%;object-fit:cover;border-radius:0;opacity:.82;transition:transform .5s ease;}
.channel-card:hover .channel-media img{transform:scale(1.05);}
.channel-media::after{
  content:"";position:absolute;inset:0;
  background:linear-gradient(90deg,rgba(12,16,24,.92),rgba(12,16,24,.15));
}
/* feature cards */
.feature-grid{display:grid;grid-template-columns:repeat(6,1fr);gap:22px;}
.feature-card{
  grid-column:span 2;display:flex;flex-direction:column;
  background:var(--glass);border:1px solid var(--glass-border);
  border-radius:var(--r-lg);overflow:hidden;
  backdrop-filter:blur(16px) saturate(140%);
  -webkit-backdrop-filter:blur(16px) saturate(140%);
  transition:transform .24s ease,box-shadow .24s ease,border-color .24s ease;
}
.feature-card:nth-child(1){grid-column:span 3;}
.feature-card:nth-child(2){grid-column:span 3;}
.feature-card:hover{transform:translateY(-5px);box-shadow:var(--shadow-2);border-color:rgba(255,176,58,.40);}
.feature-thumb{aspect-ratio:16/9;overflow:hidden;}
.feature-thumb img{width:100%;height:100%;object-fit:cover;border-radius:0;transition:transform .5s ease;}
.feature-card:hover .feature-thumb img{transform:scale(1.06);}
.feature-body{padding:22px 22px 24px;display:flex;flex-direction:column;gap:10px;flex:1;}
.feature-body h3{font-size:18px;}
.feature-body p{font-size:13.8px;color:var(--text-2);line-height:1.85;}
.feature-meta{display:flex;align-items:center;justify-content:space-between;margin-top:auto;padding-top:12px;border-top:1px solid rgba(255,255,255,.08);}
.price-num{font-size:18px;font-weight:700;color:var(--accent);font-variant-numeric:tabular-nums;letter-spacing:-.01em;}
.price-num em{font-style:normal;font-size:12px;color:var(--text-3);margin-left:4px;font-weight:400;}
/* scene track */
.scene-track{
  display:flex;gap:20px;overflow-x:auto;padding:6px 4px 22px;
  scroll-snap-type:x mandatory;
  scrollbar-width:thin;scrollbar-color:rgba(61,123,255,.6) rgba(255,255,255,.06);
}
.scene-track::-webkit-scrollbar{height:6px;}
.scene-track::-webkit-scrollbar-track{background:rgba(255,255,255,.06);border-radius:999px;}
.scene-track::-webkit-scrollbar-thumb{background:linear-gradient(90deg,var(--primary),rgba(61,123,255,.5));border-radius:999px;}
.scene-card{
  flex:0 0 290px;scroll-snap-align:start;
  padding:26px 24px;display:flex;flex-direction:column;gap:12px;
  background:var(--glass);border:1px solid var(--glass-border);border-radius:var(--r-lg);
  backdrop-filter:blur(16px) saturate(140%);
  -webkit-backdrop-filter:blur(16px) saturate(140%);
  transition:transform .24s ease,border-color .24s ease,box-shadow .24s ease;
}
.scene-card:hover{transform:translateY(-4px);border-color:rgba(53,224,200,.42);box-shadow:var(--shadow-2);}
.scene-card h3{font-size:17.5px;}
.scene-card p{font-size:13.6px;color:var(--text-2);line-height:1.85;}
.scene-time{font-size:12.5px;color:var(--mint);display:flex;align-items:center;gap:7px;}
/* steps */
.steps{display:grid;grid-template-columns:repeat(3,1fr);gap:22px;position:relative;}
.step{
  padding:30px 26px;position:relative;
  background:var(--glass);border:1px solid var(--glass-border);border-radius:var(--r-lg);
  backdrop-filter:blur(16px) saturate(140%);
  -webkit-backdrop-filter:blur(16px) saturate(140%);
}
.step-no{
  width:44px;height:44px;border-radius:13px;display:grid;place-items:center;
  font-size:16px;font-weight:700;color:#fff;margin-bottom:18px;
  background:linear-gradient(140deg,#3D7BFF,#22347A);
  box-shadow:inset 0 0 0 1px rgba(255,255,255,.16),0 8px 22px rgba(61,123,255,.32);
}
.step h3{font-size:17.5px;margin-bottom:9px;}
.step p{font-size:13.8px;color:var(--text-2);line-height:1.85;}
.step-badges{display:flex;gap:8px;margin-top:16px;flex-wrap:wrap;}
/* news */
.news-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:22px;}
.news-card{
  display:flex;flex-direction:column;gap:12px;padding:26px 24px;
  background:var(--glass);border:1px solid var(--glass-border);border-radius:var(--r-lg);
  backdrop-filter:blur(16px) saturate(140%);
  -webkit-backdrop-filter:blur(16px) saturate(140%);
  transition:transform .24s ease,border-color .24s ease,box-shadow .24s ease;
}
.news-card:hover{transform:translateY(-4px);border-color:rgba(61,123,255,.55);box-shadow:var(--shadow-2);}
.news-card h3{font-size:17px;line-height:1.55;}
.news-card p{font-size:13.6px;color:var(--text-2);line-height:1.85;display:-webkit-box;-webkit-line-clamp:2;-webkit-box-orient:vertical;overflow:hidden;}
.news-meta{display:flex;align-items:center;justify-content:space-between;gap:10px;margin-top:auto;padding-top:14px;border-top:1px solid rgba(255,255,255,.08);font-size:12.5px;color:var(--text-3);}
.empty-state{
  grid-column:1/-1;min-height:180px;display:flex;align-items:center;justify-content:center;
  text-align:center;padding:30px;font-size:14px;color:var(--text-3);
  background:var(--glass);border:1px dashed rgba(255,255,255,.18);border-radius:var(--r-lg);
}
.list-more{display:flex;justify-content:center;margin-top:36px;}
/* rank */
.rank-wrap{display:grid;grid-template-columns:1.15fr .85fr;gap:24px;align-items:start;}
.rank-list{display:flex;flex-direction:column;}
.rank-item{
  display:grid;grid-template-columns:44px 1fr auto;gap:16px;align-items:center;
  padding:20px 6px;border-bottom:1px solid rgba(255,255,255,.08);
  transition:background .2s ease,padding .2s ease;
}
.rank-item:hover{background:rgba(255,255,255,.04);padding-left:14px;border-radius:12px;}
.rank-no{font-size:17px;font-weight:700;color:var(--text-3);font-variant-numeric:tabular-nums;}
.rank-item:nth-child(1) .rank-no{color:var(--accent);}
.rank-item:nth-child(2) .rank-no{color:#B9C8E4;}
.rank-item:nth-child(3) .rank-no{color:#C08B5E;}
.rank-item b{display:block;font-size:15.5px;font-weight:600;}
.rank-item span{display:block;font-size:12.5px;color:var(--text-3);margin-top:3px;}
.rank-bar{width:96px;height:6px;border-radius:999px;background:rgba(255,255,255,.08);overflow:hidden;}
.rank-bar i{display:block;height:100%;border-radius:999px;background:linear-gradient(90deg,var(--primary),var(--mint));}
/* case timeline */
.case-grid{display:grid;grid-template-columns:1.25fr .75fr;gap:32px;align-items:start;}
.timeline{position:relative;padding-left:30px;}
.timeline::before{
  content:"";position:absolute;left:8px;top:8px;bottom:8px;width:2px;
  background:linear-gradient(180deg,rgba(61,123,255,.85),rgba(61,123,255,0));
}
.tl-item{position:relative;padding:0 0 30px 0;}
.tl-item::before{
  content:"";position:absolute;left:-30px;top:7px;width:12px;height:12px;border-radius:50%;
  background:var(--bg-base);border:2px solid var(--primary);
  box-shadow:0 0 0 4px rgba(61,123,255,.14);
}
.tl-item:last-child{padding-bottom:0;}
.tl-item h3{font-size:17px;margin-bottom:8px;}
.tl-item p{font-size:13.8px;color:var(--text-2);line-height:1.85;}
.tl-meta{display:flex;flex-wrap:wrap;gap:10px;margin-top:12px;font-size:12.5px;color:var(--text-3);}
.tl-meta em{font-style:normal;color:var(--accent);font-weight:600;}
.compare{padding:22px;display:flex;flex-direction:column;gap:14px;}
.compare-grid{display:grid;grid-template-columns:1fr 1fr;gap:12px;}
.compare-cell{position:relative;border-radius:var(--r-md);overflow:hidden;border:1px solid var(--glass-border);}
.compare-cell img{width:100%;height:120px;object-fit:cover;border-radius:0;}
.compare-cell span{
  position:absolute;left:8px;bottom:8px;font-size:11.5px;padding:3px 9px;border-radius:999px;
  background:rgba(8,10,17,.78);border:1px solid rgba(255,255,255,.18);color:var(--text-2);
}
.compare p{font-size:13.4px;color:var(--text-2);line-height:1.8;}
/* reviews */
.review-wall{display:grid;grid-template-columns:repeat(4,1fr);gap:20px;align-items:start;}
.review-card{
  padding:24px 22px;display:flex;flex-direction:column;gap:12px;
  background:var(--glass);border:1px solid var(--glass-border);border-radius:var(--r-lg);
  backdrop-filter:blur(16px) saturate(140%);
  -webkit-backdrop-filter:blur(16px) saturate(140%);
  transition:transform .24s ease,border-color .24s ease,box-shadow .24s ease;
}
.review-card:hover{transform:translateY(-5px);border-color:rgba(255,176,58,.42);box-shadow:var(--shadow-2);}
.review-card:nth-child(2n){transform:translateY(22px);}
.review-card:nth-child(2n):hover{transform:translateY(17px);}
.review-top{display:flex;align-items:center;gap:11px;}
.avatar{
  width:38px;height:38px;border-radius:11px;flex-shrink:0;display:grid;place-items:center;
  font-size:14px;font-weight:700;color:#0A0D14;
  background:linear-gradient(140deg,#FFC158,#FF9B21);
}
.review-top b{display:block;font-size:14px;}
.review-top span{display:block;font-size:12px;color:var(--text-3);}
.stars{color:var(--accent);font-size:12.5px;letter-spacing:2px;}
.review-card p{font-size:13.6px;color:var(--text-2);line-height:1.85;}
/* zone & time */
.zone-grid{display:grid;grid-template-columns:1.1fr .9fr;gap:24px;}
.zone-panel,.time-panel{padding:32px 30px;}
.zone-panel h3,.time-panel h3{font-size:19px;margin-bottom:8px;}
.zone-panel .sub,.time-panel .sub{font-size:13.5px;color:var(--text-3);margin-bottom:22px;}
.zone-list{display:flex;flex-wrap:wrap;gap:9px;}
.zone-list span{
  font-size:13px;padding:7px 14px;border-radius:999px;color:var(--text-2);
  background:rgba(255,255,255,.05);border:1px solid rgba(255,255,255,.10);
  transition:.2s ease;
}
.zone-list span:hover{color:var(--text-1);border-color:rgba(61,123,255,.55);background:rgba(61,123,255,.12);}
.time-grid{display:grid;grid-template-columns:repeat(4,1fr);gap:10px;}
.time-cell{
  text-align:center;padding:12px 6px;border-radius:12px;font-size:12.5px;
  background:rgba(255,255,255,.04);border:1px solid rgba(255,255,255,.09);color:var(--text-3);
  font-variant-numeric:tabular-nums;
}
.time-cell.on{color:var(--text-1);border-color:rgba(53,224,200,.38);background:rgba(53,224,200,.10);}
.time-cell.hot{color:#2A1D08;font-weight:600;border-color:transparent;background:linear-gradient(135deg,#FFC158,#FF9B21);}
/* guarantee bar */
.guarantee{
  display:grid;grid-template-columns:repeat(4,1fr);gap:0;
  border-top:1px solid rgba(255,255,255,.10);
  border-bottom:1px solid rgba(255,255,255,.10);
}
.g-item{padding:30px 24px;display:flex;gap:14px;align-items:flex-start;border-right:1px solid rgba(255,255,255,.08);}
.g-item:last-child{border-right:0;}
.g-item svg{width:22px;height:22px;flex-shrink:0;color:var(--mint);margin-top:4px;}
.g-item b{display:block;font-size:15px;margin-bottom:4px;}
.g-item span{display:block;font-size:13px;color:var(--text-3);line-height:1.75;}
/* faq */
.faq{display:flex;flex-direction:column;gap:12px;max-width:900px;}
.faq-item{
  border:1px solid var(--glass-border);border-radius:var(--r-md);
  background:var(--glass);overflow:hidden;
  backdrop-filter:blur(14px) saturate(140%);
  -webkit-backdrop-filter:blur(14px) saturate(140%);
  transition:border-color .22s ease,background .22s ease;
}
.faq-item.is-open{border-color:rgba(61,123,255,.55);background:rgba(61,123,255,.07);}
.faq-q{
  width:100%;display:flex;align-items:center;justify-content:space-between;gap:18px;
  padding:20px 22px;text-align:left;font-size:15.5px;font-weight:600;color:var(--text-1);
  transition:color .2s ease;
}
.faq-q:hover{color:var(--accent);}
.faq-icon{
  position:relative;width:20px;height:20px;flex-shrink:0;
}
.faq-icon::before,.faq-icon::after{
  content:"";position:absolute;background:var(--text-2);border-radius:2px;transition:transform .26s ease,background .26s ease;
}
.faq-icon::before{top:9px;left:0;width:20px;height:2px;}
.faq-icon::after{left:9px;top:0;width:2px;height:20px;}
.faq-item.is-open .faq-icon::after{transform:rotate(90deg);opacity:0;}
.faq-item.is-open .faq-icon::before{background:var(--accent);}
.faq-a{max-height:0;overflow:hidden;transition:max-height .3s ease;}
.faq-a p{padding:0 22px 22px;font-size:14px;color:var(--text-2);line-height:1.9;border-left:2px solid transparent;}
.faq-item.is-open .faq-a p{border-left-color:var(--primary);padding-left:20px;margin-left:2px;}
/* cta form */
.cta-panel{
  display:grid;grid-template-columns:1fr 1fr;gap:44px;
  padding:48px 44px;border-radius:26px;
  background:
    radial-gradient(560px 320px at 8% 0%, rgba(61,123,255,.24), transparent 62%),
    radial-gradient(420px 280px at 96% 100%, rgba(255,176,58,.16), transparent 60%),
    rgba(255,255,255,.05);
  border:1px solid rgba(255,255,255,.14);
  backdrop-filter:blur(18px) saturate(150%);
  -webkit-backdrop-filter:blur(18px) saturate(150%);
  box-shadow:var(--shadow-2);
  position:relative;overflow:hidden;
}
.cta-panel::before{
  content:"";position:absolute;top:0;left:0;right:0;height:1px;
  background:linear-gradient(90deg,rgba(255,255,255,.4),rgba(255,255,255,0));
}
.cta-left h2{font-size:clamp(23px,2.8vw,32px);letter-spacing:-.01em;}
.cta-left p{margin-top:16px;color:var(--text-2);font-size:15px;line-height:1.9;}
.cta-points{margin-top:24px;display:flex;flex-direction:column;gap:12px;}
.cta-points li{display:flex;gap:10px;align-items:flex-start;font-size:13.8px;color:var(--text-2);}
.cta-points li::before{
  content:"";width:7px;height:7px;border-radius:50%;margin-top:9px;flex-shrink:0;
  background:var(--mint);box-shadow:0 0 10px rgba(53,224,200,.7);
}
.form{display:flex;flex-direction:column;gap:16px;}
.field{display:flex;flex-direction:column;gap:7px;}
.field label{font-size:13px;color:var(--text-2);}
.field input,.field select,.field textarea{
  height:50px;padding:0 16px;border-radius:12px;
  background:rgba(255,255,255,.05);
  border:1px solid rgba(255,255,255,.14);
  color:var(--text-1);font-size:14.5px;
  box-shadow:inset 0 2px 8px rgba(0,0,0,.24);
  transition:border-color .2s ease,box-shadow .2s ease,background .2s ease;
  appearance:none;
}
.field select{background-image:url("data:image/svg+xml;charset=utf8,%3Csvg xmlns='http://www.w3.org/2000/svg' viewBox='0 0 12 8'%3E%3Cpath d='M1 1l5 5 5-5' stroke='%23A9B6CD' stroke-width='1.6' fill='none' stroke-linecap='round'/%3E%3C/svg%3E");background-repeat:no-repeat;background-position:right 16px center;background-size:12px;padding-right:40px;}
.field input::placeholder{color:var(--text-3);}
.field input:focus,.field select:focus,.field textarea:focus{
  outline:none;border-color:var(--primary);
  box-shadow:0 0 0 3px rgba(61,123,255,.24),inset 0 2px 8px rgba(0,0,0,.2);
  background:rgba(61,123,255,.08);
}
.field.is-error input,.field.is-error select{border-color:var(--danger);box-shadow:0 0 0 3px rgba(255,107,107,.18);}
.field-tip{font-size:12.5px;color:var(--danger);display:none;}
.field.is-error .field-tip{display:block;}
.form-note{font-size:12.5px;color:var(--text-3);line-height:1.7;}
.form-ok{
  display:none;padding:12px 16px;border-radius:12px;font-size:13.5px;
  color:var(--mint);background:rgba(53,224,200,.10);border:1px solid rgba(53,224,200,.36);
}
.form-ok.is-show{display:block;}
/* footer */
.site-footer{
  background:var(--bg-deep);
  border-top:1px solid rgba(255,255,255,.10);
  padding:72px 0 0;
}
.footer-grid{display:grid;grid-template-columns:1.5fr .85fr .85fr 1.1fr;gap:40px;}
.footer-brand .logo{margin-bottom:18px;}
.footer-brand p{font-size:13.8px;color:var(--text-3);line-height:1.9;max-width:340px;}
.footer-col h4{font-size:14px;margin-bottom:16px;color:var(--text-1);letter-spacing:.02em;}
.footer-col ul{display:flex;flex-direction:column;gap:11px;}
.footer-col a,.footer-col li{font-size:13.6px;color:var(--text-3);transition:color .2s ease;}
.footer-col a:hover{color:var(--accent);}
.footer-contact li{display:flex;gap:9px;font-size:13.6px;color:var(--text-3);}
.footer-contact strong{color:var(--text-1);font-weight:600;}
.footer-bottom{
  margin-top:52px;padding:24px 0 30px;border-top:1px solid rgba(255,255,255,.08);
  display:flex;flex-wrap:wrap;align-items:center;justify-content:space-between;gap:12px;
  font-size:12.5px;color:var(--text-3);
}
.footer-bottom a{color:var(--text-3);}
.footer-bottom a:hover{color:var(--text-2);}
/* reveal */
.reveal{opacity:0;transform:translateY(10px);transition:opacity .4s ease,transform .4s ease;}
.reveal.in{opacity:1;transform:none;}
@media (prefers-reduced-motion: reduce){
  *,*::before,*::after{animation:none !important;transition:none !important;}
  .reveal{opacity:1;transform:none;}
  html{scroll-behavior:auto;}
}
/* ---------- responsive ---------- */
@media (max-width:1200px){
  .container{padding:0 24px;}
  .review-wall{grid-template-columns:repeat(3,1fr);}
  .footer-grid{grid-template-columns:1.4fr .8fr .8fr;row-gap:34px;}
}
@media (max-width:992px){
  .nav-links{display:none;}
  .nav-toggle{display:block;}
  .nav-actions .btn{display:none;}
  .hero{padding:130px 0 66px;}
  .hero-grid{grid-template-columns:1fr;gap:36px;}
  .value-grid,.channel-card,.rank-wrap,.case-grid,.zone-grid,.cta-panel{grid-template-columns:1fr;}
  .feature-grid{grid-template-columns:repeat(2,1fr);}
  .feature-card,.feature-card:nth-child(1),.feature-card:nth-child(2){grid-column:span 1;}
  .news-grid{grid-template-columns:repeat(2,1fr);}
  .steps{grid-template-columns:1fr;}
  .guarantee{grid-template-columns:repeat(2,1fr);}
  .g-item{border-bottom:1px solid rgba(255,255,255,.08);}
  .g-item:nth-child(2n){border-right:0;}
  .trust-list{grid-template-columns:repeat(2,1fr);}
  .trust-item:nth-child(2n){border-right:0;}
  .trust-item{border-bottom:1px solid rgba(255,255,255,.07);}
  .review-wall{grid-template-columns:repeat(2,1fr);}
  .review-card:nth-child(2n){transform:none;}
  .review-card:nth-child(2n):hover{transform:translateY(-5px);}
  .channel-media{min-height:220px;}
  .cta-panel{padding:36px 26px;gap:30px;}
}
@media (max-width:768px){
  .section{padding:64px 0;}
  .container{padding:0 18px;}
  .hero{padding:118px 0 56px;}
  .hero-metrics{grid-template-columns:1fr 1fr;gap:16px;}
  .hero-actions .btn{flex:1 1 auto;}
  .section-head{margin-bottom:32px;}
  .feature-grid,.news-grid{grid-template-columns:1fr;}
  .value-main,.channel-body{padding:28px 22px;}
  .value-stats{grid-template-columns:1fr 1fr;}
  .time-grid{grid-template-columns:repeat(3,1fr);}
  .footer-grid{grid-template-columns:1fr 1fr;}
  .footer-brand{grid-column:1/-1;}
  .cta-panel{border-radius:20px;}
  .rank-bar{width:64px;}
  .quick-grid{grid-template-columns:1fr 1fr;}
}
@media (max-width:520px){
  .hero h1{font-size:24px;}
  .hero-lead{font-size:14.5px;}
  .hero-metrics{grid-template-columns:1fr;}
  .hero-metrics > div{padding-bottom:14px;border-bottom:1px solid rgba(255,255,255,.08);}
  .hero-metrics > div:last-child{border-bottom:0;padding-bottom:0;}
  .quick-grid{grid-template-columns:1fr;}
  .trust-list{grid-template-columns:1fr;}
  .trust-item{border-right:0;}
  .value-stats{grid-template-columns:1fr;}
  .review-wall{grid-template-columns:1fr;}
  .time-grid{grid-template-columns:repeat(2,1fr);}
  .guarantee{grid-template-columns:1fr;}
  .g-item{border-right:0;}
  .footer-grid{grid-template-columns:1fr;}
  .btn{width:100%;}
  .hero-actions{flex-direction:column;}
  .form .btn{width:100%;}
  .compare-grid{grid-template-columns:1fr;}
  .list-more .btn{width:100%;}
  .rank-item{grid-template-columns:34px 1fr;row-gap:8px;}
  .rank-bar{grid-column:2;width:100%;}
}

/* roulang page: article */
:root{
  --bg-base:#080A11;
  --bg-deep:#0C1018;
  --bg-panel:#121826;
  --primary:#3D7BFF;
  --primary-glow:rgba(61,123,255,.42);
  --accent:#FFB03A;
  --accent-glow:rgba(255,176,58,.36);
  --mint:#35E0C8;
  --text-1:#EDF2FB;
  --text-2:#A9B6CD;
  --text-3:#6E7C96;
  --glass:rgba(255,255,255,.055);
  --glass-strong:rgba(255,255,255,.09);
  --glass-border:rgba(255,255,255,.12);
  --danger:#FF6B6B;
  --r-lg:20px;
  --r-md:14px;
  --r-sm:10px;
  --shadow-1:0 8px 24px rgba(0,0,0,.35);
  --shadow-2:0 18px 44px rgba(0,0,0,.48);
  --container:1200px;
  --font:"PingFang SC","HarmonyOS Sans","Microsoft YaHei","Helvetica Neue",Arial,sans-serif;
}
*,*::before,*::after{box-sizing:border-box;}
html{-webkit-text-size-adjust:100%;scroll-behavior:smooth;}
body{
  margin:0;
  font-family:var(--font);
  font-size:16px;
  line-height:1.85;
  color:var(--text-1);
  background:
    radial-gradient(900px 520px at 8% -8%, rgba(61,123,255,.16), transparent 62%),
    radial-gradient(760px 440px at 94% 2%, rgba(255,176,58,.10), transparent 60%),
    var(--bg-base);
  overflow-x:hidden;
  -webkit-font-smoothing:antialiased;
}
img{max-width:100%;display:block;}
a{color:inherit;text-decoration:none;}
button,input,select,textarea{font:inherit;color:inherit;}
button{cursor:pointer;border:0;background:none;}
h1,h2,h3,h4,p,ul,ol,figure,blockquote{margin:0;}
ul,ol{padding:0;list-style:none;}
:focus-visible{outline:2px solid var(--mint);outline-offset:3px;border-radius:6px;}
.container{width:100%;max-width:var(--container);margin:0 auto;padding:0 24px;}

/* ---------------- header ---------------- */
.site-header{
  position:fixed;top:0;left:0;right:0;z-index:120;
  background:rgba(8,10,17,.35);
  backdrop-filter:blur(18px) saturate(150%);
  -webkit-backdrop-filter:blur(18px) saturate(150%);
  border-bottom:1px solid rgba(255,255,255,.10);
  box-shadow:0 6px 26px rgba(0,0,0,.28);
  transition:background .24s ease,box-shadow .24s ease,border-color .24s ease;
}
.site-header.is-scrolled{
  background:rgba(12,16,24,.96);
  box-shadow:0 14px 38px rgba(0,0,0,.55);
  border-bottom-color:rgba(255,255,255,.14);
}
.nav-inner{
  display:flex;align-items:center;gap:24px;
  height:76px;transition:height .22s ease;
}
.site-header.is-scrolled .nav-inner{height:64px;}
.logo{display:flex;align-items:center;gap:11px;flex-shrink:0;}
.logo-mark{
  width:40px;height:40px;border-radius:12px;flex-shrink:0;
  display:grid;place-items:center;
  background:linear-gradient(150deg,rgba(61,123,255,.95),rgba(28,52,116,.95));
  box-shadow:inset 0 0 0 1px rgba(255,255,255,.18),0 8px 22px rgba(61,123,255,.35);
}
.logo-mark svg{width:22px;height:22px;}
.logo-text{display:flex;flex-direction:column;line-height:1.2;}
.logo-text b{font-size:15.5px;letter-spacing:.01em;font-weight:700;}
.logo-text span{font-size:11.5px;color:var(--text-3);letter-spacing:.1em;}
.nav-links{display:flex;align-items:center;gap:6px;margin-left:auto;}
.nav-links a{
  position:relative;padding:9px 14px;border-radius:10px;
  font-size:14.5px;color:var(--text-2);
  transition:color .2s ease,background .2s ease;
}
.nav-links a::after{
  content:"";position:absolute;left:14px;right:14px;bottom:2px;height:2px;
  background:linear-gradient(90deg,var(--primary),rgba(61,123,255,0));
  border-radius:2px;transform:scaleX(0);transform-origin:left;
  transition:transform .24s ease;
}
.nav-links a:hover{color:var(--text-1);background:rgba(255,255,255,.05);}
.nav-links a:hover::after{transform:scaleX(1);}
.nav-links a.is-active{color:var(--text-1);}
.nav-links a.is-active::before{
  content:"";position:absolute;left:3px;top:50%;transform:translateY(-50%);
  width:5px;height:5px;border-radius:50%;background:var(--mint);
  box-shadow:0 0 10px var(--mint);
}
.nav-actions{display:flex;align-items:center;gap:12px;}
.nav-toggle{
  display:none;width:42px;height:42px;border-radius:12px;
  border:1px solid var(--glass-border);background:var(--glass);
  place-items:center;
}
.nav-toggle span{display:block;width:18px;height:2px;background:var(--text-1);border-radius:2px;position:relative;}
.nav-toggle span::before,.nav-toggle span::after{
  content:"";position:absolute;left:0;width:18px;height:2px;background:var(--text-1);border-radius:2px;
  transition:transform .24s ease;
}
.nav-toggle span::before{top:-6px;}
.nav-toggle span::after{top:6px;}
.nav-mask{
  position:fixed;inset:0;background:rgba(4,6,11,.66);backdrop-filter:blur(3px);
  opacity:0;visibility:hidden;transition:opacity .26s ease,visibility .26s ease;z-index:125;
}
.nav-mask.is-open{opacity:1;visibility:visible;}

/* ---------------- buttons ---------------- */
.btn{
  display:inline-flex;align-items:center;justify-content:center;gap:8px;
  height:48px;padding:0 24px;border-radius:999px;
  font-size:15px;font-weight:600;
  transition:transform .22s ease,box-shadow .22s ease,filter .22s ease,border-color .22s ease,background .22s ease;
  white-space:nowrap;
}
.btn--primary{
  color:#fff;background:linear-gradient(135deg,#3D7BFF,#2A5BE0);
  box-shadow:inset 0 0 0 1px rgba(255,255,255,.12),0 10px 30px var(--primary-glow);
}
.btn--primary:hover{transform:translateY(-1px);filter:brightness(1.08);box-shadow:inset 0 0 0 1px rgba(255,255,255,.16),0 14px 40px var(--primary-glow);}
.btn--primary:active{transform:translateY(1px);}
.btn--accent{
  color:#20160A;background:linear-gradient(135deg,#FFC158,#FF9B21);
  box-shadow:inset 0 0 0 1px rgba(255,255,255,.28),0 10px 30px var(--accent-glow);
}
.btn--accent:hover{transform:translateY(-1px);filter:brightness(1.05);box-shadow:inset 0 0 0 1px rgba(255,255,255,.36),0 16px 42px var(--accent-glow);}
.btn--accent:active{transform:translateY(1px);}
.btn--ghost{
  color:var(--text-1);background:var(--glass);
  border:1px solid var(--glass-border);
  backdrop-filter:blur(14px) saturate(140%);
  -webkit-backdrop-filter:blur(14px) saturate(140%);
}
.btn--ghost:hover{border-color:rgba(61,123,255,.72);box-shadow:0 0 0 1px rgba(61,123,255,.22),0 12px 30px rgba(0,0,0,.4);transform:translateY(-1px);}
.btn--sm{height:40px;padding:0 18px;font-size:13.5px;}

/* ---------------- badges ---------------- */
.badge{
  display:inline-flex;align-items:center;gap:6px;
  height:26px;padding:0 12px;border-radius:999px;
  font-size:12.5px;font-weight:500;line-height:1;white-space:nowrap;
}
.badge--price{color:var(--accent);background:rgba(255,176,58,.10);border:1px solid rgba(255,176,58,.36);}
.badge--state{color:var(--text-1);background:rgba(53,224,200,.10);border:1px solid rgba(53,224,200,.34);}
.badge--cat{color:var(--text-2);background:rgba(255,255,255,.07);border:1px solid var(--glass-border);}
.dot{width:6px;height:6px;border-radius:50%;background:var(--mint);box-shadow:0 0 0 0 rgba(53,224,200,.6);animation:pulse 2.4s infinite;}
@keyframes pulse{
  0%{box-shadow:0 0 0 0 rgba(53,224,200,.55);}
  70%{box-shadow:0 0 0 9px rgba(53,224,200,0);}
  100%{box-shadow:0 0 0 0 rgba(53,224,200,0);}
}

/* ---------------- layout helpers ---------------- */
.section{padding:88px 0;position:relative;}
.section--tight{padding:64px 0;}
.section--alt{background:linear-gradient(180deg,rgba(12,16,24,.92),rgba(12,16,24,.5));}
.section--panel{background:linear-gradient(180deg,rgba(18,24,38,.72),rgba(8,10,17,.32));}
.section-head{max-width:760px;margin-bottom:40px;}
.section-tag{
  display:inline-flex;align-items:center;gap:8px;
  height:28px;padding:0 14px;border-radius:999px;
  font-size:12.5px;letter-spacing:.06em;color:var(--accent);
  background:rgba(255,176,58,.10);border:1px solid rgba(255,176,58,.34);
  margin-bottom:16px;
}
.section-title{font-size:clamp(23px,2.6vw,32px);line-height:1.3;letter-spacing:-.01em;}
.section-title em{font-style:normal;color:var(--accent);}
.section-desc{margin-top:14px;color:var(--text-2);font-size:15.5px;}
.glass-card{
  background:var(--glass);
  border:1px solid var(--glass-border);
  border-radius:var(--r-lg);
  backdrop-filter:blur(16px) saturate(140%);
  -webkit-backdrop-filter:blur(16px) saturate(140%);
  box-shadow:var(--shadow-1);
  position:relative;
  overflow:hidden;
}
.glass-card::before{
  content:"";position:absolute;top:0;left:0;right:0;height:1px;
  background:linear-gradient(90deg,rgba(255,255,255,.28),rgba(255,255,255,0));
}

/* ---------------- article hero ---------------- */
.article-hero{
  position:relative;
  padding:140px 0 56px;
  background:
    radial-gradient(720px 380px at 18% -10%, rgba(61,123,255,.22), transparent 66%),
    radial-gradient(560px 320px at 88% 4%, rgba(255,176,58,.12), transparent 62%),
    linear-gradient(180deg,rgba(12,16,24,.96),rgba(8,10,17,.9));
  border-bottom:1px solid rgba(255,255,255,.08);
  overflow:hidden;
}
.article-hero::after{
  content:"";position:absolute;top:0;left:0;right:0;height:1px;
  background:linear-gradient(90deg,transparent,rgba(61,123,255,.85),rgba(255,176,58,.6),transparent);
}
.crumbs{display:flex;flex-wrap:wrap;align-items:center;gap:8px;font-size:13px;color:var(--text-3);margin-bottom:20px;}
.crumbs a{color:var(--text-2);transition:color .2s ease;}
.crumbs a:hover{color:var(--mint);}
.crumbs .sep{opacity:.5;}
.article-hero h1{
  font-size:clamp(26px,3.5vw,44px);
  line-height:1.22;
  letter-spacing:-.02em;
  font-weight:800;
  max-width:900px;
}
.hero-meta{
  display:flex;flex-wrap:wrap;align-items:center;gap:10px 18px;
  margin-top:22px;font-size:13.5px;color:var(--text-3);
}
.hero-meta .who{display:inline-flex;align-items:center;gap:8px;color:var(--text-2);}
.avatar-chip{
  width:28px;height:28px;border-radius:50%;display:grid;place-items:center;
  font-size:12px;font-weight:700;color:#0A1020;
  background:linear-gradient(140deg,#FFC158,#FF9B21);
}
.hero-badges{display:flex;flex-wrap:wrap;gap:10px;margin-top:18px;}

/* ---------------- prose ---------------- */
.layout-main{display:grid;grid-template-columns:minmax(0,1fr) 320px;gap:40px;align-items:start;}
.prose-wrap{padding:38px 40px 44px;border-radius:var(--r-lg);}
.prose p{font-size:16.5px;line-height:1.92;color:var(--text-2);margin:0 0 22px;}
.prose h2{
  position:relative;
  font-size:clamp(20px,2.2vw,25px);
  line-height:1.45;
  color:var(--text-1);
  margin:44px 0 18px;
  padding-left:16px;
}
.prose h2::before{
  content:"";position:absolute;left:0;top:.22em;bottom:.22em;width:3px;border-radius:3px;
  background:linear-gradient(180deg,var(--primary),rgba(61,123,255,.15));
}
.prose h3{font-size:18px;color:var(--text-1);margin:32px 0 14px;}
.prose ul,.prose ol{margin:0 0 22px;padding-left:4px;}
.prose li{position:relative;padding-left:22px;margin-bottom:10px;color:var(--text-2);line-height:1.85;}
.prose ul li::before{
  content:"";position:absolute;left:2px;top:.72em;width:7px;height:7px;border-radius:50%;
  background:var(--accent);box-shadow:0 0 10px rgba(255,176,58,.55);
}
.prose ol{counter-reset:item;}
.prose ol li{padding-left:28px;counter-increment:item;}
.prose ol li::before{
  content:counter(item);
  position:absolute;left:0;top:.18em;
  width:20px;height:20px;border-radius:6px;display:grid;place-items:center;
  font-size:12px;font-weight:700;color:var(--primary);
  background:rgba(61,123,255,.14);border:1px solid rgba(61,123,255,.34);
}
.prose blockquote{
  margin:26px 0;padding:18px 22px;
  border-left:3px solid var(--primary);
  border-radius:0 var(--r-md) var(--r-md) 0;
  background:rgba(61,123,255,.08);
  color:var(--text-1);font-size:15.5px;
}
.prose blockquote p{margin:0;color:var(--text-1);}
.prose img{border-radius:16px;border:1px solid var(--glass-border);margin:24px 0;}
.prose a{color:var(--mint);border-bottom:1px solid rgba(53,224,200,.4);transition:opacity .2s ease;}
.prose a:hover{opacity:.85;}
.prose table{width:100%;border-collapse:collapse;margin:22px 0;font-size:15px;}
.prose th,.prose td{border-bottom:1px solid rgba(255,255,255,.1);padding:12px 10px;text-align:left;color:var(--text-2);}
.prose th{color:var(--text-1);background:rgba(255,255,255,.04);}

/* ---------------- side column ---------------- */
.side-stack{display:flex;flex-direction:column;gap:22px;position:sticky;top:96px;}
.side-card{padding:24px;border-radius:var(--r-lg);}
.side-card h3{font-size:16px;margin-bottom:14px;letter-spacing:.01em;}
.side-card h3 span{color:var(--accent);}
.side-list li{
  display:flex;justify-content:space-between;gap:12px;
  padding:11px 0;border-bottom:1px dashed rgba(255,255,255,.1);
  font-size:14px;color:var(--text-2);
}
.side-list li:last-child{border-bottom:0;}
.side-list strong{color:var(--accent);font-variant-numeric:tabular-nums;font-weight:600;}
.side-card .btn{width:100%;margin-top:16px;}
.side-note{font-size:12.5px;color:var(--text-3);margin-top:12px;line-height:1.7;}

/* ---------------- summary card ---------------- */
.summary-card{padding:28px 30px;border-radius:var(--r-lg);margin-bottom:34px;}
.summary-card h2{
  font-size:17px;margin:0 0 16px;display:flex;align-items:center;gap:10px;
}
.summary-card h2::before{
  content:"";width:8px;height:8px;border-radius:2px;transform:rotate(45deg);
  background:var(--accent);box-shadow:0 0 12px var(--accent-glow);
}
.summary-grid{display:grid;grid-template-columns:repeat(2,minmax(0,1fr));gap:14px 24px;}
.summary-grid li{display:flex;gap:10px;font-size:14.5px;color:var(--text-2);line-height:1.75;}
.summary-grid li i{
  flex-shrink:0;width:6px;height:6px;border-radius:50%;margin-top:.7em;
  background:var(--mint);box-shadow:0 0 8px rgba(53,224,200,.6);
}

/* ---------------- team card ---------------- */
.team-card{display:grid;grid-template-columns:132px minmax(0,1fr) auto;gap:24px;align-items:center;padding:26px 28px;border-radius:var(--r-lg);}
.team-photo{
  width:132px;height:132px;border-radius:18px;overflow:hidden;
  border:1px solid var(--glass-border);box-shadow:var(--shadow-1);
}
.team-photo img{width:100%;height:100%;object-fit:cover;}
.team-info h3{font-size:19px;margin-bottom:8px;}
.team-info p{font-size:14.5px;color:var(--text-2);margin-bottom:12px;}
.team-tags{display:flex;flex-wrap:wrap;gap:8px;}

/* ---------------- related cards ---------------- */
.rel-grid{display:grid;grid-template-columns:repeat(3,minmax(0,1fr));gap:22px;}
.rel-card{
  display:flex;flex-direction:column;border-radius:var(--r-lg);overflow:hidden;
  transition:transform .26s ease,box-shadow .26s ease,border-color .26s ease;
}
.rel-card:hover{transform:translateY(-4px);box-shadow:var(--shadow-2);border-color:rgba(61,123,255,.5);}
.rel-thumb{position:relative;aspect-ratio:16/10;overflow:hidden;background:var(--bg-panel);}
.rel-thumb img{width:100%;height:100%;object-fit:cover;transition:transform .5s ease;}
.rel-card:hover .rel-thumb img{transform:scale(1.05);}
.rel-body{padding:18px 20px 22px;}
.rel-body h3{font-size:16px;line-height:1.55;margin-bottom:8px;}
.rel-body p{font-size:13.5px;color:var(--text-3);line-height:1.7;}

/* ---------------- prev next ---------------- */
.pn-grid{display:grid;grid-template-columns:repeat(2,minmax(0,1fr));gap:20px;}
.pn-card{
  display:flex;flex-direction:column;gap:6px;padding:22px 24px;border-radius:var(--r-lg);
  transition:transform .24s ease,border-color .24s ease,box-shadow .24s ease;
}
.pn-card:hover{transform:translateY(-3px);border-color:rgba(61,123,255,.55);box-shadow:var(--shadow-2);}
.pn-card span{font-size:12.5px;color:var(--text-3);letter-spacing:.08em;}
.pn-card strong{font-size:15.5px;font-weight:600;display:flex;align-items:center;gap:8px;}
.pn-card:hover strong{color:var(--mint);}
.pn-card .arrow{transition:transform .24s ease;}
.pn-card:hover .arrow{transform:translateX(4px);}
.pn-card--right{text-align:right;}
.pn-card--right strong{justify-content:flex-end;}

/* ---------------- FAQ ---------------- */
.faq-list{display:flex;flex-direction:column;gap:12px;max-width:900px;}
.faq-item{border-radius:var(--r-md);overflow:hidden;}
.faq-q{
  width:100%;display:flex;align-items:center;gap:16px;
  padding:18px 22px;text-align:left;
  font-size:15.5px;font-weight:600;color:var(--text-1);
  border-left:2px solid transparent;transition:border-color .24s ease,background .24s ease;
}
.faq-q:hover{background:rgba(255,255,255,.04);}
.faq-item.is-open .faq-q{border-left-color:var(--primary);}
.faq-icon{
  margin-left:auto;flex-shrink:0;width:22px;height:22px;position:relative;
}
.faq-icon::before,.faq-icon::after{
  content:"";position:absolute;top:50%;left:50%;background:var(--text-2);border-radius:2px;
  transform:translate(-50%,-50%);transition:transform .26s ease,background .26s ease;
}
.faq-icon::before{width:12px;height:2px;}
.faq-icon::after{width:2px;height:12px;}
.faq-item.is-open .faq-icon::before{background:var(--primary);}
.faq-item.is-open .faq-icon::after{transform:translate(-50%,-50%) rotate(90deg);background:var(--primary);opacity:0;}
.faq-a{max-height:0;overflow:hidden;transition:max-height .32s ease;}
.faq-a p{padding:0 22px 20px;font-size:14.5px;color:var(--text-2);line-height:1.85;}

/* ---------------- CTA strip ---------------- */
.cta-strip{
  display:flex;flex-wrap:wrap;align-items:center;justify-content:space-between;gap:22px;
  padding:34px 38px;border-radius:var(--r-lg);
  background:
    radial-gradient(520px 220px at 12% 0%, rgba(61,123,255,.22), transparent 70%),
    linear-gradient(120deg,rgba(18,24,38,.92),rgba(12,16,24,.92));
  border:1px solid rgba(61,123,255,.28);
  box-shadow:var(--shadow-2);
}
.cta-strip h2{font-size:clamp(19px,2.2vw,24px);line-height:1.4;}
.cta-strip p{font-size:14px;color:var(--text-2);margin-top:8px;}

/* ---------------- empty state ---------------- */
.empty-state{
  display:flex;flex-direction:column;align-items:center;justify-content:center;
  gap:14px;min-height:220px;padding:44px 24px;text-align:center;
}
.empty-state svg{width:42px;height:42px;stroke:var(--text-3);fill:none;stroke-width:1.6;}
.empty-state p{color:var(--text-2);font-size:15px;}
.empty-state .btn{margin-top:6px;}

/* ---------------- footer ---------------- */
.site-footer{
  background:var(--bg-deep);
  border-top:1px solid rgba(255,255,255,.1);
  padding:64px 0 0;
  margin-top:20px;
}
.footer-grid{display:grid;grid-template-columns:1.6fr 1fr 1fr 1.2fr;gap:40px;padding-bottom:46px;}
.footer-brand .logo{margin-bottom:18px;}
.footer-brand p{font-size:13.5px;color:var(--text-3);line-height:1.9;max-width:360px;}
.footer-col h4{font-size:14px;color:var(--text-1);margin-bottom:16px;letter-spacing:.02em;}
.footer-col ul li{margin-bottom:11px;}
.footer-col ul li a{font-size:13.5px;color:var(--text-3);transition:color .2s ease;}
.footer-col ul li a:hover{color:var(--mint);}
.footer-contact li{display:flex;justify-content:space-between;gap:12px;font-size:13.5px;color:var(--text-3);}
.footer-contact li strong{color:var(--text-2);font-weight:600;}
.footer-bottom{
  display:flex;flex-wrap:wrap;gap:10px 24px;justify-content:space-between;
  padding:22px 0 30px;border-top:1px solid rgba(255,255,255,.08);
  font-size:12.5px;color:var(--text-3);
}

/* ---------------- reveal ---------------- */
.reveal{opacity:0;transform:translateY(8px);transition:opacity .45s ease,transform .45s ease;}
.reveal.is-in{opacity:1;transform:none;}

/* ---------------- responsive ---------------- */
@media (max-width:1100px){
  .layout-main{grid-template-columns:minmax(0,1fr);gap:32px;}
  .side-stack{position:static;flex-direction:row;flex-wrap:wrap;}
  .side-card{flex:1 1 280px;}
}
@media (max-width:992px){
  .nav-links{
    position:fixed;top:0;right:0;bottom:0;
    width:min(78vw,320px);
    flex-direction:column;align-items:flex-start;gap:4px;
    padding:100px 22px 32px;
    background:rgba(12,16,24,.98);
    border-left:1px solid var(--glass-border);
    backdrop-filter:blur(18px);
    transform:translateX(105%);
    transition:transform .28s ease;
    z-index:130;margin-left:0;
  }
  .nav-links.is-open{transform:translateX(0);}
  .nav-links a{width:100%;padding:14px 12px;font-size:15px;border-bottom:1px solid rgba(255,255,255,.06);border-radius:0;}
  .nav-links a::after{display:none;}
  .nav-links a.is-active::before{left:-8px;}
  .nav-toggle{display:grid;}
  .nav-actions .btn{display:none;}
  .rel-grid{grid-template-columns:repeat(2,minmax(0,1fr));}
  .footer-grid{grid-template-columns:1fr 1fr;gap:32px;}
  .team-card{grid-template-columns:110px minmax(0,1fr);}
  .team-photo{width:110px;height:110px;}
  .team-card .btn{grid-column:1 / -1;justify-self:start;}
}
@media (max-width:768px){
  .container{padding:0 18px;}
  .section{padding:64px 0;}
  .article-hero{padding:118px 0 44px;}
  .prose-wrap{padding:26px 22px 32px;}
  .summary-grid{grid-template-columns:minmax(0,1fr);}
  .rel-grid{grid-template-columns:minmax(0,1fr);}
  .pn-grid{grid-template-columns:minmax(0,1fr);}
  .pn-card--right{text-align:left;}
  .pn-card--right strong{justify-content:flex-start;}
  .cta-strip{padding:26px 22px;}
  .cta-strip .btn{width:100%;}
  .footer-grid{grid-template-columns:minmax(0,1fr);gap:28px;}
  .logo-text span{font-size:10.5px;letter-spacing:.06em;}
}
@media (max-width:520px){
  body{font-size:15.5px;}
  .nav-inner{height:66px;gap:14px;}
  .site-header.is-scrolled .nav-inner{height:60px;}
  .logo-mark{width:36px;height:36px;border-radius:10px;}
  .logo-text b{font-size:14px;}
  .hero-meta{font-size:12.5px;gap:8px 14px;}
  .btn{height:46px;padding:0 20px;font-size:14.5px;}
  .team-card{grid-template-columns:minmax(0,1fr);}
  .team-photo{width:100%;height:180px;border-radius:14px;}
  .footer-bottom{font-size:12px;}
}
@media (prefers-reduced-motion:reduce){
  *{animation-duration:.01ms !important;transition-duration:.01ms !important;scroll-behavior:auto !important;}
  .reveal{opacity:1;transform:none;}
}

/* roulang page: category1 */
:root{
  --bg-base:#080A11;
  --bg-deep:#0C1018;
  --bg-panel:#121826;
  --primary:#3D7BFF;
  --primary-glow:rgba(61,123,255,.42);
  --accent:#FFB03A;
  --accent-glow:rgba(255,176,58,.36);
  --mint:#35E0C8;
  --text-1:#EDF2FB;
  --text-2:#A9B6CD;
  --text-3:#6E7C96;
  --glass:rgba(255,255,255,.055);
  --glass-strong:rgba(255,255,255,.09);
  --glass-border:rgba(255,255,255,.12);
  --danger:#FF6B6B;
  --r-lg:20px;
  --r-md:14px;
  --shadow-1:0 8px 24px rgba(0,0,0,.35);
  --shadow-2:0 18px 44px rgba(0,0,0,.48);
  --container:1200px;
  --font:"PingFang SC","HarmonyOS Sans","Microsoft YaHei","Helvetica Neue",Arial,sans-serif;
}
*,*::before,*::after{box-sizing:border-box;}
html{-webkit-text-size-adjust:100%;scroll-behavior:smooth;}
body{
  margin:0;
  font-family:var(--font);
  font-size:16px;
  line-height:1.85;
  color:var(--text-1);
  background:
    radial-gradient(900px 520px at 12% -6%, rgba(61,123,255,.16), transparent 62%),
    radial-gradient(760px 460px at 92% 4%, rgba(255,176,58,.10), transparent 60%),
    var(--bg-base);
  overflow-x:hidden;
  -webkit-font-smoothing:antialiased;
}
img{max-width:100%;display:block;border-radius:var(--r-md);}
a{color:inherit;text-decoration:none;}
button,input,select,textarea{font:inherit;color:inherit;}
button{cursor:pointer;border:0;background:none;}
h1,h2,h3,h4{margin:0;line-height:1.25;font-weight:700;}
p{margin:0;}
ul,ol{margin:0;padding:0;list-style:none;}
:focus-visible{outline:2px solid var(--mint);outline-offset:3px;}
.container{width:100%;max-width:var(--container);margin:0 auto;padding:0 24px;}
.section{padding:96px 0;position:relative;}
.section--alt{background:linear-gradient(180deg,rgba(12,16,24,.94),rgba(12,16,24,.58));}
.section--panel{background:linear-gradient(180deg,rgba(18,24,38,.80),rgba(8,10,17,.38));}
.section-head{max-width:780px;margin-bottom:44px;}
.section-tag{
  display:inline-flex;align-items:center;gap:8px;
  height:28px;padding:0 14px;border-radius:999px;
  font-size:12.5px;letter-spacing:.06em;color:var(--accent);
  background:rgba(255,176,58,.10);
  border:1px solid rgba(255,176,58,.34);
  margin-bottom:16px;
}
.section-title{font-size:clamp(24px,3vw,36px);letter-spacing:-.01em;}
.section-title em{font-style:normal;color:var(--accent);}
.section-desc{margin-top:16px;color:var(--text-2);font-size:15.5px;line-height:1.9;}
/* buttons */
.btn{
  display:inline-flex;align-items:center;justify-content:center;gap:8px;
  height:50px;padding:0 26px;border-radius:999px;
  font-size:15px;font-weight:600;letter-spacing:.01em;
  transition:transform .22s ease,box-shadow .22s ease,background .22s ease,border-color .22s ease,color .22s ease,filter .22s ease;
  white-space:nowrap;
}
.btn--primary{color:#fff;background:linear-gradient(135deg,#3D7BFF,#2A5BE0);box-shadow:inset 0 0 0 1px rgba(255,255,255,.12),0 10px 30px var(--primary-glow);}
.btn--primary:hover{transform:translateY(-1px);filter:brightness(1.08);box-shadow:inset 0 0 0 1px rgba(255,255,255,.16),0 14px 40px var(--primary-glow);}
.btn--primary:active{transform:translateY(1px);box-shadow:inset 0 0 0 1px rgba(255,255,255,.10),0 6px 18px var(--primary-glow);}
.btn--accent{color:#20160A;background:linear-gradient(135deg,#FFC158,#FF9B21);box-shadow:inset 0 0 0 1px rgba(255,255,255,.28),0 10px 30px var(--accent-glow);}
.btn--accent:hover{transform:translateY(-1px);filter:brightness(1.05);box-shadow:inset 0 0 0 1px rgba(255,255,255,.36),0 14px 40px var(--accent-glow);}
.btn--accent:active{transform:translateY(1px);}
.btn--ghost{color:var(--text-1);background:var(--glass);border:1px solid var(--glass-border);backdrop-filter:blur(14px) saturate(140%);-webkit-backdrop-filter:blur(14px) saturate(140%);}
.btn--ghost:hover{border-color:rgba(61,123,255,.72);box-shadow:0 0 0 1px rgba(61,123,255,.25),0 12px 30px rgba(0,0,0,.4);transform:translateY(-1px);}
.btn--sm{height:42px;padding:0 20px;font-size:14px;}
.btn[disabled]{opacity:.42;cursor:not-allowed;box-shadow:none;transform:none;}
/* badges */
.badge{display:inline-flex;align-items:center;gap:6px;height:26px;padding:0 12px;border-radius:999px;font-size:12.5px;font-weight:500;line-height:1;white-space:nowrap;}
.badge--price{color:var(--accent);background:rgba(255,176,58,.10);border:1px solid rgba(255,176,58,.36);}
.badge--state{color:var(--text-1);background:rgba(53,224,200,.10);border:1px solid rgba(53,224,200,.34);}
.badge--cat{color:var(--text-2);background:rgba(255,255,255,.07);border:1px solid var(--glass-border);}
.dot{width:7px;height:7px;border-radius:50%;background:var(--mint);box-shadow:0 0 0 4px rgba(53,224,200,.16);display:inline-block;}
/* header */
.site-header{
  position:fixed;top:0;left:0;right:0;z-index:120;
  background:rgba(8,10,17,.35);
  backdrop-filter:blur(18px) saturate(150%);
  -webkit-backdrop-filter:blur(18px) saturate(150%);
  border-bottom:1px solid rgba(255,255,255,.10);
  box-shadow:0 6px 26px rgba(0,0,0,.28);
  transition:background .24s ease,box-shadow .24s ease,border-color .24s ease;
}
.site-header.is-scrolled{background:rgba(12,16,24,.96);box-shadow:0 14px 38px rgba(0,0,0,.55);border-bottom-color:rgba(255,255,255,.14);}
.nav-inner{display:flex;align-items:center;gap:24px;height:76px;transition:height .22s ease;}
.site-header.is-scrolled .nav-inner{height:64px;}
.logo{display:flex;align-items:center;gap:11px;flex-shrink:0;}
.logo-mark{width:40px;height:40px;border-radius:12px;flex-shrink:0;display:grid;place-items:center;background:linear-gradient(150deg,rgba(61,123,255,.95),rgba(28,52,116,.95));box-shadow:inset 0 0 0 1px rgba(255,255,255,.18),0 8px 22px rgba(61,123,255,.35);}
.logo-mark svg{width:22px;height:22px;}
.logo-text{display:flex;flex-direction:column;line-height:1.2;}
.logo-text b{font-size:15.5px;letter-spacing:.01em;font-weight:700;}
.logo-text span{font-size:11.5px;color:var(--text-3);letter-spacing:.12em;}
.nav-links{display:flex;align-items:center;gap:6px;margin-left:auto;}
.nav-links a{position:relative;padding:9px 14px;border-radius:10px;font-size:14.5px;color:var(--text-2);transition:color .2s ease,background .2s ease;}
.nav-links a::after{content:"";position:absolute;left:14px;right:14px;bottom:2px;height:2px;background:linear-gradient(90deg,var(--primary),rgba(61,123,255,0));border-radius:2px;transform:scaleX(0);transform-origin:left;transition:transform .24s ease;}
.nav-links a:hover{color:var(--text-1);background:rgba(255,255,255,.05);}
.nav-links a:hover::after{transform:scaleX(1);}
.nav-links a.is-active{color:var(--text-1);}
.nav-links a.is-active::before{content:"";position:absolute;left:2px;top:50%;transform:translateY(-50%);width:5px;height:5px;border-radius:50%;background:var(--mint);box-shadow:0 0 0 3px rgba(53,224,200,.16);}
.nav-actions{display:flex;align-items:center;gap:10px;}
.icon-btn{width:40px;height:40px;border-radius:50%;display:grid;place-items:center;border:1px solid var(--glass-border);background:var(--glass);color:var(--text-2);transition:color .2s,border-color .2s,transform .2s;}
.icon-btn:hover{color:var(--text-1);border-color:rgba(61,123,255,.6);transform:translateY(-1px);}
.icon-btn svg{width:18px;height:18px;}
.menu-btn{display:none;}
/* mobile drawer */
.drawer-mask{position:fixed;inset:0;background:rgba(4,6,11,.66);backdrop-filter:blur(4px);opacity:0;pointer-events:none;transition:opacity .26s ease;z-index:130;}
.drawer-mask.is-open{opacity:1;pointer-events:auto;}
.drawer{
  position:fixed;top:0;right:0;bottom:0;width:min(320px,86vw);z-index:140;
  background:rgba(12,16,24,.98);
  border-left:1px solid var(--glass-border);
  box-shadow:-20px 0 50px rgba(0,0,0,.55);
  transform:translateX(102%);transition:transform .28s ease;
  padding:22px 20px;display:flex;flex-direction:column;gap:18px;
}
.drawer.is-open{transform:translateX(0);}
.drawer-top{display:flex;align-items:center;justify-content:space-between;}
.drawer-title{font-size:13px;color:var(--text-3);letter-spacing:.14em;}
.drawer-nav{display:flex;flex-direction:column;gap:4px;}
.drawer-nav a{padding:13px 14px;border-radius:12px;font-size:15px;color:var(--text-2);border:1px solid transparent;transition:background .2s,color .2s,border-color .2s;}
.drawer-nav a:hover{background:rgba(255,255,255,.06);color:var(--text-1);}
.drawer-nav a.is-active{color:var(--text-1);background:rgba(61,123,255,.14);border-color:rgba(61,123,255,.35);}
.drawer-foot{margin-top:auto;display:flex;flex-direction:column;gap:10px;}
.drawer-foot .btn{width:100%;}
.drawer-note{font-size:12.5px;color:var(--text-3);line-height:1.7;}
/* page offset */
.page-main{padding-top:76px;}
/* category head */
.cat-hero{position:relative;padding:52px 0 44px;background:linear-gradient(180deg,rgba(12,16,24,.96),rgba(8,10,17,.62));border-bottom:1px solid rgba(255,255,255,.08);overflow:hidden;}
.cat-hero::before{content:"";position:absolute;top:-160px;right:-80px;width:520px;height:420px;border-radius:50%;background:radial-gradient(circle,rgba(61,123,255,.34),transparent 66%);filter:blur(60px);pointer-events:none;}
.cat-hero::after{content:"";position:absolute;bottom:-180px;left:-60px;width:420px;height:360px;border-radius:50%;background:radial-gradient(circle,rgba(255,176,58,.20),transparent 68%);filter:blur(70px);pointer-events:none;}
.cat-hero__inner{position:relative;z-index:2;display:grid;grid-template-columns:1.35fr .8fr;gap:44px;align-items:center;}
.crumb{display:flex;flex-wrap:wrap;align-items:center;gap:8px;font-size:13px;color:var(--text-3);margin-bottom:18px;}
.crumb a{color:var(--text-2);transition:color .2s;}
.crumb a:hover{color:var(--accent);}
.crumb span.sep{color:rgba(255,255,255,.24);}
.cat-hero h1{font-size:clamp(27px,3.4vw,42px);letter-spacing:-.02em;line-height:1.22;}
.cat-hero h1 em{font-style:normal;display:inline-block;color:var(--accent);text-shadow:0 0 26px var(--accent-glow);}
.cat-hero p.lead{margin-top:16px;color:var(--text-2);font-size:15.5px;line-height:1.9;max-width:620px;}
.cat-meta{display:flex;flex-wrap:wrap;gap:10px;margin-top:22px;}
.filter-bar{margin-top:26px;display:flex;flex-wrap:wrap;align-items:center;gap:12px;}
.filter-chips{display:flex;flex-wrap:wrap;gap:8px;}
.chip{height:36px;padding:0 16px;border-radius:999px;font-size:13.5px;color:var(--text-2);background:rgba(255,255,255,.05);border:1px solid var(--glass-border);transition:color .2s,border-color .2s,background .2s,box-shadow .2s;}
.chip:hover{color:var(--text-1);border-color:rgba(61,123,255,.55);}
.chip.is-active{color:#fff;background:linear-gradient(135deg,rgba(61,123,255,.92),rgba(42,91,224,.92));border-color:rgba(61,123,255,.7);box-shadow:0 8px 22px var(--primary-glow);}
.search-box{position:relative;display:flex;align-items:center;min-width:236px;flex:1 1 236px;max-width:340px;}
.search-box svg{position:absolute;left:15px;width:17px;height:17px;color:var(--text-3);pointer-events:none;}
.search-box input{width:100%;height:44px;padding:0 16px 0 42px;border-radius:999px;background:rgba(255,255,255,.05);border:1px solid var(--glass-border);color:var(--text-1);font-size:14px;transition:border-color .2s,box-shadow .2s,background .2s;}
.search-box input::placeholder{color:var(--text-3);}
.search-box input:focus{outline:none;border-color:var(--primary);background:rgba(61,123,255,.10);box-shadow:0 0 0 3px rgba(61,123,255,.20);}
.cat-visual{position:relative;}
.cat-visual img{width:100%;aspect-ratio:4/3;object-fit:cover;border-radius:var(--r-lg);border:1px solid var(--glass-border);box-shadow:var(--shadow-2);}
.cat-visual .float-card{
  position:absolute;left:-18px;bottom:-20px;
  padding:14px 18px;border-radius:var(--r-md);
  background:rgba(12,16,24,.92);
  border:1px solid var(--glass-border);
  backdrop-filter:blur(16px) saturate(140%);
  -webkit-backdrop-filter:blur(16px) saturate(140%);
  box-shadow:var(--shadow-1);
  display:flex;flex-direction:column;gap:2px;
}
.cat-visual .float-card b{font-size:20px;color:var(--accent);font-variant-numeric:tabular-nums;letter-spacing:.01em;}
.cat-visual .float-card span{font-size:12.5px;color:var(--text-3);}
/* glass card base */
.glass{
  position:relative;
  background:var(--glass);
  border:1px solid var(--glass-border);
  border-radius:var(--r-lg);
  backdrop-filter:blur(16px) saturate(140%);
  -webkit-backdrop-filter:blur(16px) saturate(140%);
  box-shadow:var(--shadow-1);
  overflow:hidden;
}
.glass::before{content:"";position:absolute;top:0;left:0;right:0;height:1px;background:linear-gradient(90deg,rgba(255,255,255,.20),rgba(255,255,255,0));}
.glass--pad{padding:28px;}
/* value grid */
.value-grid{display:grid;grid-template-columns:1.42fr .88fr;gap:24px;align-items:start;}
.value-main{padding:34px;}
.value-main h2{font-size:clamp(22px,2.4vw,30px);letter-spacing:-.01em;}
.value-main h2 em{font-style:normal;color:var(--accent);}
.value-main p{margin-top:14px;color:var(--text-2);font-size:15.5px;}
.stat-row{display:grid;grid-template-columns:repeat(3,1fr);gap:14px;margin-top:26px;}
.stat{background:rgba(255,255,255,.04);border:1px solid var(--glass-border);border-radius:var(--r-md);padding:16px 14px;}
.stat b{display:block;font-size:26px;font-weight:700;color:var(--text-1);font-variant-numeric:tabular-nums;letter-spacing:-.01em;}
.stat b i{font-style:normal;font-size:13px;color:var(--accent);margin-left:2px;font-weight:600;}
.stat span{display:block;margin-top:4px;font-size:12.5px;color:var(--text-3);}
.value-side{display:grid;gap:16px;}
.side-card{padding:22px;}
.side-card h3{font-size:17px;margin-top:12px;}
.side-card p{margin-top:8px;font-size:14px;color:var(--text-2);}
.side-card .ico{width:38px;height:38px;border-radius:11px;display:grid;place-items:center;background:rgba(61,123,255,.16);border:1px solid rgba(61,123,255,.34);color:#9DBBFF;}
.side-card .ico svg{width:19px;height:19px;}
/* scenario */
.scene-strip{display:grid;grid-template-columns:repeat(3,1fr);gap:20px;}
.scene-card{padding:24px;display:flex;flex-direction:column;gap:10px;transition:transform .28s ease,box-shadow .28s ease,border-color .28s ease;}
.scene-card:hover{transform:translateY(-4px);border-color:rgba(61,123,255,.45);box-shadow:var(--shadow-2);}
.scene-card .time{font-size:12.5px;color:var(--mint);letter-spacing:.03em;display:inline-flex;align-items:center;gap:7px;}
.scene-card h3{font-size:18.5px;}
.scene-card p{font-size:14px;color:var(--text-2);line-height:1.8;}
.scene-card .foot{margin-top:auto;padding-top:12px;border-top:1px dashed rgba(255,255,255,.10);font-size:13px;color:var(--text-3);display:flex;align-items:center;justify-content:space-between;gap:10px;}
.scene-card .foot b{color:var(--accent);font-variant-numeric:tabular-nums;font-weight:600;}
.scene-card:nth-child(2){transform:translateY(14px);}
.scene-card:nth-child(2):hover{transform:translateY(10px);}
.scene-card:nth-child(5){transform:translateY(14px);}
.scene-card:nth-child(5):hover{transform:translateY(10px);}
/* flow */
.flow{display:grid;grid-template-columns:repeat(4,1fr);gap:18px;position:relative;}
.flow::before{content:"";position:absolute;top:34px;left:6%;right:6%;height:1px;background:linear-gradient(90deg,rgba(61,123,255,.5),rgba(255,176,58,.45),rgba(61,123,255,.16));}
.flow-step{position:relative;padding:26px 22px;text-align:left;}
.flow-step .num{width:46px;height:46px;border-radius:50%;display:grid;place-items:center;font-weight:700;font-size:16px;color:#fff;background:linear-gradient(140deg,#3D7BFF,#2547A8);box-shadow:0 0 0 5px rgba(61,123,255,.14),0 10px 26px rgba(61,123,255,.32);margin-bottom:16px;font-variant-numeric:tabular-nums;}
.flow-step h3{font-size:17px;}
.flow-step p{margin-top:8px;font-size:13.8px;color:var(--text-2);line-height:1.8;}
.flow-step .badge{margin-top:14px;}
/* price strip */
.price-strip{display:grid;grid-template-columns:repeat(4,1fr);gap:18px;}
.price-cell{padding:26px 22px;border-radius:var(--r-lg);background:rgba(255,255,255,.045);border:1px solid var(--glass-border);transition:border-color .24s,transform .24s,box-shadow .24s;}
.price-cell:hover{border-color:rgba(255,176,58,.45);transform:translateY(-3px);box-shadow:var(--shadow-2);}
.price-cell .num{font-size:30px;font-weight:700;color:var(--accent);font-variant-numeric:tabular-nums;letter-spacing:-.01em;line-height:1.1;}
.price-cell .num small{font-size:13px;color:var(--text-3);font-weight:500;margin-left:4px;}
.price-cell h3{margin-top:12px;font-size:16px;}
.price-cell p{margin-top:6px;font-size:13.5px;color:var(--text-2);line-height:1.75;}
/* news list */
.news-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:22px;}
.news-card{display:flex;flex-direction:column;overflow:hidden;transition:transform .28s ease,box-shadow .28s ease,border-color .28s ease;}
.news-card:hover{transform:translateY(-4px);border-color:rgba(61,123,255,.45);box-shadow:var(--shadow-2);}
.news-thumb{aspect-ratio:16/10;background:linear-gradient(150deg,rgba(61,123,255,.24),rgba(18,24,38,.9));border-bottom:1px solid var(--glass-border);position:relative;overflow:hidden;}
.news-thumb img{width:100%;height:100%;object-fit:cover;border-radius:0;transition:transform .5s ease;}
.news-card:hover .news-thumb img{transform:scale(1.05);}
.news-body{padding:20px 22px 24px;display:flex;flex-direction:column;gap:10px;flex:1;}
.news-meta{display:flex;align-items:center;gap:10px;flex-wrap:wrap;font-size:12.5px;color:var(--text-3);}
.news-body h3{font-size:17px;line-height:1.5;}
.news-body h3 a{transition:color .2s;}
.news-body h3 a:hover{color:var(--accent);}
.news-body p{font-size:13.8px;color:var(--text-2);line-height:1.8;display:-webkit-box;-webkit-line-clamp:2;-webkit-box-orient:vertical;overflow:hidden;}
.news-more{margin-top:38px;display:flex;justify-content:center;}
.empty-card{min-height:180px;display:grid;place-items:center;text-align:center;padding:40px 24px;color:var(--text-2);gap:12px;}
.empty-card svg{width:38px;height:38px;color:var(--text-3);}
/* checklist */
.check-list{display:grid;gap:0;border-radius:var(--r-lg);overflow:hidden;border:1px solid var(--glass-border);background:rgba(255,255,255,.035);}
.check-row{display:grid;grid-template-columns:1.05fr 1.25fr auto;gap:18px;align-items:center;padding:20px 24px;border-bottom:1px solid rgba(255,255,255,.075);transition:background .22s;}
.check-row:last-child{border-bottom:0;}
.check-row:hover{background:rgba(61,123,255,.07);}
.check-row .q{font-size:15px;font-weight:600;}
.check-row .a{font-size:13.8px;color:var(--text-2);line-height:1.75;}
.check-row .q span{display:block;font-size:12.5px;color:var(--text-3);font-weight:400;margin-top:2px;}
/* faq */
.faq-list{display:grid;gap:12px;max-width:900px;}
.faq-item{border-radius:var(--r-md);border:1px solid var(--glass-border);background:var(--glass);backdrop-filter:blur(14px);-webkit-backdrop-filter:blur(14px);overflow:hidden;transition:border-color .24s,box-shadow .24s;}
.faq-item:hover{border-color:rgba(61,123,255,.42);}
.faq-item.is-open{border-color:rgba(61,123,255,.55);box-shadow:0 12px 34px rgba(0,0,0,.4);}
.faq-q{width:100%;display:flex;align-items:center;justify-content:space-between;gap:16px;text-align:left;padding:20px 22px;font-size:16px;font-weight:600;color:var(--text-1);position:relative;}
.faq-q::before{content:"";position:absolute;left:0;top:16px;bottom:16px;width:2px;border-radius:2px;background:var(--primary);transform:scaleY(0);transform-origin:top;transition:transform .26s ease;}
.faq-item.is-open .faq-q::before{transform:scaleY(1);}
.faq-q .sign{width:26px;height:26px;flex-shrink:0;border-radius:50%;display:grid;place-items:center;border:1px solid var(--glass-border);color:var(--text-2);transition:transform .26s ease,color .26s,border-color .26s;}
.faq-item.is-open .faq-q .sign{transform:rotate(45deg);color:var(--accent);border-color:rgba(255,176,58,.5);}
.faq-q .sign svg{width:14px;height:14px;}
.faq-a{max-height:0;overflow:hidden;transition:max-height .32s ease;}
.faq-a p{padding:0 22px 22px;color:var(--text-2);font-size:14.5px;line-height:1.9;}
/* cta band */
.cta-band{position:relative;overflow:hidden;border-radius:var(--r-lg);border:1px solid rgba(61,123,255,.32);background:radial-gradient(600px 240px at 12% 10%,rgba(61,123,255,.30),transparent 70%),radial-gradient(420px 220px at 90% 90%,rgba(255,176,58,.18),transparent 70%),rgba(18,24,38,.85);box-shadow:var(--shadow-2);padding:40px 42px;display:flex;align-items:center;justify-content:space-between;gap:28px;flex-wrap:wrap;}
.cta-band h2{font-size:clamp(21px,2.6vw,28px);letter-spacing:-.01em;}
.cta-band p{margin-top:10px;color:var(--text-2);font-size:14.5px;max-width:640px;}
.cta-actions{display:flex;gap:12px;flex-wrap:wrap;}
/* footer */
.site-footer{background:var(--bg-deep);border-top:1px solid rgba(255,255,255,.10);padding:64px 0 26px;position:relative;}
.site-footer::before{content:"";position:absolute;top:0;left:0;right:0;height:1px;background:linear-gradient(90deg,transparent,rgba(61,123,255,.5),transparent);}
.footer-grid{display:grid;grid-template-columns:1.5fr 1fr 1fr 1.15fr;gap:36px;}
.footer-brand .logo{margin-bottom:16px;}
.footer-brand p{font-size:13.5px;color:var(--text-3);line-height:1.9;max-width:340px;}
.footer-col h4{font-size:14.5px;letter-spacing:.02em;margin-bottom:16px;color:var(--text-1);}
.footer-col ul{display:grid;gap:10px;}
.footer-col ul li a,.footer-col ul li span{font-size:13.5px;color:var(--text-3);transition:color .2s;}
.footer-col ul li a:hover{color:var(--accent);}
.footer-contact li{display:flex;gap:8px;align-items:baseline;font-size:13.5px;color:var(--text-3);}
.footer-contact li strong{color:var(--text-2);font-weight:500;}
.footer-bottom{margin-top:44px;padding-top:20px;border-top:1px solid rgba(255,255,255,.08);display:flex;justify-content:space-between;gap:14px;flex-wrap:wrap;font-size:12.5px;color:var(--text-3);}
/* reveal */
.reveal{opacity:0;transform:translateY(8px);transition:opacity .4s ease,transform .4s ease;}
.reveal.is-in{opacity:1;transform:none;}
@media (prefers-reduced-motion:reduce){
  .reveal{opacity:1;transform:none;transition:none;}
  html{scroll-behavior:auto;}
}
/* responsive */
@media (max-width:1200px){
  .cat-hero__inner{grid-template-columns:1fr .85fr;gap:32px;}
  .value-grid{grid-template-columns:1fr;}
  .nav-links a{padding:9px 10px;font-size:14px;}
}
@media (max-width:992px){
  .section{padding:72px 0;}
  .cat-hero__inner{grid-template-columns:1fr;}
  .cat-visual{order:-1;max-width:520px;}
  .cat-visual .float-card{left:auto;right:14px;bottom:-16px;}
  .scene-strip{grid-template-columns:repeat(2,1fr);}
  .scene-card:nth-child(2),.scene-card:nth-child(5){transform:none;}
  .scene-card:nth-child(2):hover,.scene-card:nth-child(5):hover{transform:translateY(-4px);}
  .flow{grid-template-columns:repeat(2,1fr);}
  .flow::before{display:none;}
  .price-strip{grid-template-columns:repeat(2,1fr);}
  .news-grid{grid-template-columns:repeat(2,1fr);}
  .footer-grid{grid-template-columns:1fr 1fr;gap:30px;}
  .check-row{grid-template-columns:1fr;gap:8px;align-items:start;}
  .check-row .btn{justify-self:start;}
  .cta-band{padding:32px 26px;}
}
@media (max-width:768px){
  .container{padding:0 18px;}
  .nav-links,.nav-actions .btn{display:none;}
  .menu-btn{display:grid;}
  .nav-inner{height:64px;gap:12px;}
  .site-header.is-scrolled .nav-inner{height:58px;}
  .logo-text b{font-size:14px;}
  .logo-text span{font-size:10.5px;letter-spacing:.08em;}
  .page-main{padding-top:64px;}
  .cat-hero{padding:34px 0 32px;}
  .section{padding:60px 0;}
  .stat-row{grid-template-columns:1fr 1fr;}
  .footer-bottom{flex-direction:column;gap:6px;}
  .cta-actions{width:100%;}
  .cta-actions .btn{flex:1;}
}
@media (max-width:520px){
  .scene-strip,.flow,.price-strip,.news-grid,.footer-grid{grid-template-columns:1fr;}
  .stat-row{grid-template-columns:1fr;}
  .btn{width:100%;}
  .btn--sm{width:auto;}
  .cat-hero h1{font-size:25px;}
  .search-box{max-width:none;flex:1 1 100%;}
  .filter-bar{gap:10px;}
  .chip{height:34px;padding:0 13px;font-size:13px;}
  .value-main,.side-card,.scene-card{padding:20px;}
  .footer-grid{gap:24px;}
}