/* =========================================================
   VBS (Video Fusion) 
   ========================================================= */
.vbsf-section{
  --vbsf-blue:#2f7bff;
  --vbsf-blue-d:#1552d6;
  --vbsf-navy:#0d2f7a;
  --vbsf-ink:#1b2b4b;
  --vbsf-muted:#6b7a99;
  --vbsf-glass:rgba(255,255,255,.64);
  --vbsf-edge:rgba(255,255,255,.92);
  --vbsf-soft:rgba(47,123,255,.10);
  --vbsf-shadow:0 18px 40px -20px rgba(28,78,180,.30),0 2px 6px rgba(28,78,180,.05);
  --vbsf-ease:cubic-bezier(.22,.61,.36,1);
  position:relative;
  padding:96px 20px 80px;
  color:var(--vbsf-ink);
  overflow:hidden;
}
.vbsf-section *{box-sizing:border-box}
.vbsf-shell{max-width:1320px;margin:0 auto;position:relative}

/* ---------- Head ---------- */
.vbsf-head{text-align:center;margin-bottom:40px}
.vbsf-eyebrow{
  display:inline-flex;align-items:center;gap:8px;
  padding:7px 16px;border-radius:999px;
  font-size:13px;font-weight:600;letter-spacing:.06em;color:var(--vbsf-blue-d);
  background:rgba(255,255,255,.7);border:1px solid var(--vbsf-edge);
  box-shadow:var(--vbsf-shadow);backdrop-filter:blur(14px);-webkit-backdrop-filter:blur(14px);
}
.vbsf-title{
  margin:18px 0 10px;font-size:clamp(28px,3.6vw,46px);font-weight:700;line-height:1.2;
  color:var(--vbsf-navy);letter-spacing:.01em;
}
.vbsf-title em{
  font-style:normal;font-weight:500;
  background:linear-gradient(90deg,#1552d6,#4f9bff);
  -webkit-background-clip:text;background-clip:text;color:transparent;
}
.vbsf-sub{margin:0;font-size:clamp(15px,1.5vw,18px);color:var(--vbsf-muted);letter-spacing:.04em}
.vbsf-sub b{color:var(--vbsf-blue);font-weight:600;margin:0 6px}

/* ---------- Control dock ---------- */
.vbsf-dock{
  display:flex;width:max-content;align-items:center;gap:4px;margin:-12px auto 22px;padding:5px;border-radius:999px;
  background:rgba(255,255,255,.62);border:1px solid var(--vbsf-edge);
  box-shadow:0 16px 36px -20px rgba(28,78,180,.45),inset 0 1px 0 #fff;
  backdrop-filter:blur(18px) saturate(150%);-webkit-backdrop-filter:blur(18px) saturate(150%);
  max-width:100%;overflow-x:auto;scrollbar-width:none
}
.vbsf-dock::-webkit-scrollbar{display:none}
.vbsf-dock-btn{
  all:unset;box-sizing:border-box;display:inline-flex;align-items:center;gap:7px;cursor:pointer;white-space:nowrap;
  padding:8px 15px;border-radius:999px;font-size:13px;font-weight:600;color:#4a5878;letter-spacing:.03em;
  transition:all .35s var(--vbsf-ease)
}
.vbsf-dock-btn i{font-size:12px;color:var(--vbsf-blue)}
.vbsf-dock-btn:hover{background:rgba(47,123,255,.08);color:var(--vbsf-navy)}
.vbsf-dock-btn:focus-visible{outline:2px solid rgba(47,123,255,.6);outline-offset:1px}
.vbsf-dock-btn.is-on{
  color:#fff;background:linear-gradient(160deg,#5b9dff,#1d5fe0);
  box-shadow:0 8px 18px -8px rgba(29,95,224,.8),inset 0 1px 0 rgba(255,255,255,.5)
}
.vbsf-dock-btn.is-on i{color:#fff}
.vbsf-dock-btn:active{transform:scale(.96)}
.vbsf-dock-sep{width:1px;height:18px;margin:0 4px;background:rgba(47,123,255,.16)}
.vbsf-dock-live{
  width:7px;height:7px;border-radius:50%;background:#94a3b8
}
.vbsf-dock-btn.is-on .vbsf-dock-live{background:#86efac;box-shadow:0 0 0 0 rgba(134,239,172,.7);animation:vbsfLive 1.8s infinite}
@keyframes vbsfLive{70%{box-shadow:0 0 0 7px rgba(134,239,172,0)}100%{box-shadow:0 0 0 0 rgba(134,239,172,0)}}
.vbsf-dock-prog{position:relative}

/* ---------- Stage ---------- */
.vbsf-stage{
  position:relative;z-index:2;
  display:grid;
  grid-template-columns:minmax(262px,1.08fr) minmax(250px,1.1fr) minmax(210px,.88fr) minmax(262px,1.08fr);
  gap:38px;align-items:center;
  padding:32px 24px;border-radius:32px;
  background:linear-gradient(180deg,rgba(255,255,255,.62),rgba(236,244,255,.45));
  border:1px solid var(--vbsf-edge);
  box-shadow:0 40px 80px -40px rgba(28,78,180,.28),inset 0 1px 0 #fff;
  backdrop-filter:blur(22px) saturate(140%);-webkit-backdrop-filter:blur(22px) saturate(140%);
}
.vbsf-stage::before{ /* soft light grid */
  content:"";position:absolute;inset:0;border-radius:inherit;pointer-events:none;
  background-image:
    linear-gradient(rgba(47,123,255,.05) 1px,transparent 1px),
    linear-gradient(90deg,rgba(47,123,255,.05) 1px,transparent 1px);
  background-size:36px 36px;
  -webkit-mask-image:radial-gradient(ellipse at center,#000 30%,transparent 75%);
          mask-image:radial-gradient(ellipse at center,#000 30%,transparent 75%);
}

/* wires layer */
.vbsf-wires{position:absolute;inset:0;width:100%;height:100%;pointer-events:none;z-index:1;overflow:visible}
.vbsf-wire{fill:none;stroke:rgba(47,123,255,.28);stroke-width:1.5;transition:stroke .4s,stroke-width .4s}
.vbsf-wire-flow{
  fill:none;stroke:rgba(47,123,255,.55);stroke-width:1.5;stroke-linecap:round;
  stroke-dasharray:2 10;animation:vbsfDash 1.6s linear infinite;opacity:.5;transition:opacity .4s
}
.vbsf-wire.is-on{stroke:rgba(47,123,255,.75);stroke-width:2.2}
.vbsf-wire-flow.is-on{opacity:1;stroke:#2f7bff;animation-duration:.9s}
.vbsf-wire.is-back{stroke:rgba(56,189,248,.35)}
.vbsf-wire-flow.is-back{stroke:rgba(14,165,233,.8)}
.vbsf-pkt-core{fill:#2f7bff}
.vbsf-pkt-halo{fill:rgba(47,123,255,.22)}
.vbsf-pkt.is-back .vbsf-pkt-core{fill:#0ea5e9}
.vbsf-pkt.is-back .vbsf-pkt-halo{fill:rgba(14,165,233,.22)}
@keyframes vbsfDash{to{stroke-dashoffset:-24}}

.vbsf-link-label{
  position:absolute;z-index:2;transform:translateX(-50%);
  font-size:12px;line-height:1.7;color:var(--vbsf-muted);white-space:nowrap;
  padding:6px 10px;border-radius:10px;background:rgba(255,255,255,.7);border:1px solid var(--vbsf-edge);
  box-shadow:var(--vbsf-shadow);opacity:0;transition:opacity .4s
}
.vbsf-link-label.is-ready{opacity:1}
.vbsf-link-label i{color:var(--vbsf-blue);font-size:10px;margin-right:4px}

/* ---------- Columns ---------- */
.vbsf-col{
  position:relative;z-index:2;
  padding:18px 12px 14px;border-radius:24px;
  background:rgba(255,255,255,.42);border:1px solid rgba(255,255,255,.85);
  box-shadow:inset 0 1px 0 #fff;
}
.vbsf-col-head{padding:0 6px 14px}
.vbsf-col-head h3{margin:0;font-size:20px;font-weight:700;color:var(--vbsf-navy);letter-spacing:.04em}
.vbsf-col-head span{display:block;margin-top:4px;font-size:11px;letter-spacing:.22em;color:var(--vbsf-muted)}
.vbsf-list{display:flex;flex-direction:column;gap:12px}

/* ---------- Cards  ---------- */
@property --vbsf-ang{syntax:'<angle>';initial-value:0deg;inherits:false}
.vbsf-card{
  position:relative;display:grid;grid-template-columns:1fr auto;align-items:center;
  border-radius:18px;isolation:isolate;
  background:linear-gradient(160deg,rgba(255,255,255,.78),rgba(255,255,255,.52));
  border:1px solid var(--vbsf-edge);
  box-shadow:var(--vbsf-shadow),inset 0 1px 0 #fff;
  backdrop-filter:blur(16px) saturate(150%);-webkit-backdrop-filter:blur(16px) saturate(150%);
  transform:perspective(700px) rotateX(var(--tx,0deg)) rotateY(var(--ty,0deg)) translateZ(0);
  transition:transform .45s var(--vbsf-ease),border-color .4s,box-shadow .45s var(--vbsf-ease),background .4s,opacity .4s;
}
.vbsf-card:hover{box-shadow:0 22px 44px -22px rgba(28,78,180,.45),inset 0 1px 0 #fff}
/* pointer spotlight */
.vbsf-spot{
  position:absolute;inset:0;border-radius:inherit;overflow:hidden;pointer-events:none;z-index:-1;
  background:radial-gradient(180px circle at var(--mx,50%) var(--my,50%),rgba(120,180,255,.22),transparent 60%);
  opacity:0;transition:opacity .35s
}
.vbsf-card:hover .vbsf-spot,.vbsf-card.is-pinned .vbsf-spot{opacity:1}
/* rotating light border when pinned */
.vbsf-card::after{
  content:"";position:absolute;inset:-1px;border-radius:inherit;padding:1.5px;pointer-events:none;
  background:conic-gradient(from var(--vbsf-ang),transparent 0 55%,rgba(47,123,255,.9) 72%,rgba(56,189,248,.9) 82%,transparent 95%);
  -webkit-mask:linear-gradient(#000 0 0) content-box,linear-gradient(#000 0 0);
  -webkit-mask-composite:xor;mask-composite:exclude;
  opacity:0;transition:opacity .4s
}
.vbsf-card.is-pinned::after{opacity:1;animation:vbsfAng 3.2s linear infinite}
@keyframes vbsfAng{to{--vbsf-ang:360deg}}

.vbsf-card-main{
  all:unset;box-sizing:border-box;display:flex;align-items:center;gap:11px;min-width:0;
  padding:12px 6px 12px 12px;cursor:pointer;border-radius:18px 0 0 18px
}
.vbsf-dst .vbsf-card-main{padding-left:14px}
.vbsf-card-main:focus-visible{outline:2px solid rgba(47,123,255,.6);outline-offset:-2px}
.vbsf-ico{
  flex:0 0 40px;height:40px;border-radius:12px;display:grid;place-items:center;
  font-size:17px;color:var(--vbsf-blue-d);
  background:linear-gradient(160deg,#fff,#e3eeff);
  border:1px solid rgba(255,255,255,.95);
  box-shadow:inset 0 -3px 8px rgba(47,123,255,.12),0 4px 10px -4px rgba(47,123,255,.35);
  transition:all .45s var(--vbsf-ease)
}
.vbsf-ico.api{font-size:12.5px;font-weight:800;letter-spacing:.04em}
.vbsf-txt{min-width:0;flex:1}
.vbsf-txt b{display:block;font-size:14px;white-space:nowrap;overflow:hidden;text-overflow:ellipsis;font-weight:600;color:var(--vbsf-ink);letter-spacing:.02em;line-height:1.35}
.vbsf-txt small{display:block;margin-top:2px;font-size:11.5px;color:var(--vbsf-muted);white-space:nowrap;overflow:hidden;text-overflow:ellipsis}

/* signal bars */
.vbsf-sig{display:flex;align-items:flex-end;gap:2px;height:14px;flex:0 0 auto}
.vbsf-sig i{width:3px;border-radius:2px;background:rgba(47,123,255,.22);transform-origin:bottom}
.vbsf-sig i:nth-child(1){height:30%}.vbsf-sig i:nth-child(2){height:55%}
.vbsf-sig i:nth-child(3){height:80%}.vbsf-sig i:nth-child(4){height:100%}
.vbsf-card.is-on .vbsf-sig i{background:linear-gradient(180deg,#38bdf8,#2f7bff);animation:vbsfEq 1s ease-in-out infinite}
.vbsf-card.is-on .vbsf-sig i:nth-child(2){animation-delay:.15s}
.vbsf-card.is-on .vbsf-sig i:nth-child(3){animation-delay:.3s}
.vbsf-card.is-on .vbsf-sig i:nth-child(4){animation-delay:.45s}
@keyframes vbsfEq{50%{transform:scaleY(.4)}}

/* switch */
.vbsf-sw{
  all:unset;box-sizing:border-box;position:relative;width:34px;height:20px;margin-right:10px;border-radius:999px;cursor:pointer;
  background:linear-gradient(90deg,#22c55e,#2f7bff);
  box-shadow:inset 0 1px 3px rgba(10,40,120,.25),0 4px 10px -4px rgba(47,123,255,.6);
  transition:background .35s,box-shadow .35s
}
.vbsf-sw i{
  position:absolute;top:2px;left:16px;width:16px;height:16px;border-radius:50%;background:#fff;
  box-shadow:0 2px 5px rgba(10,40,120,.3);transition:left .35s var(--vbsf-ease)
}
.vbsf-sw:focus-visible{outline:2px solid rgba(47,123,255,.6);outline-offset:2px}
.vbsf-sw[aria-checked="false"]{background:rgba(148,163,184,.45);box-shadow:inset 0 1px 3px rgba(10,40,120,.2)}
.vbsf-sw[aria-checked="false"] i{left:2px}

/* ports */
.vbsf-port{
  position:absolute;top:26px;width:10px;height:10px;margin-top:-5px;border-radius:50%;z-index:2;
  background:#fff;border:2px solid rgba(47,123,255,.55);transition:all .4s
}
.vbsf-src .vbsf-port{right:-6px}
.vbsf-dst .vbsf-port{left:-6px}

/* drawer */
.vbsf-drawer{
  grid-column:1/-1;display:grid;grid-template-rows:0fr;opacity:0;
  transition:grid-template-rows .5s var(--vbsf-ease),opacity .4s
}
.vbsf-drawer-in{overflow:hidden;min-height:0}
.vbsf-card.is-pinned .vbsf-drawer{grid-template-rows:1fr;opacity:1}
.vbsf-kv{
  display:grid;grid-template-columns:repeat(3,1fr);gap:6px;margin:0 14px;padding-top:10px;
  border-top:1px solid rgba(47,123,255,.12)
}
.vbsf-kv div{padding:6px 8px;border-radius:10px;background:rgba(47,123,255,.06);border:1px solid rgba(255,255,255,.9)}
.vbsf-kv span{display:block;font-size:10px;color:var(--vbsf-muted);letter-spacing:.06em}
.vbsf-kv b{display:block;font-size:12.5px;font-weight:700;color:var(--vbsf-navy);font-variant-numeric:tabular-nums;white-space:nowrap}
.vbsf-spark{position:relative;margin:8px 14px 12px;height:30px}
.vbsf-spark svg{width:100%;height:100%;display:block;overflow:visible}
.vbsf-spark polyline{fill:none;stroke:#2f7bff;stroke-width:1.6;vector-effect:non-scaling-stroke;stroke-linejoin:round}
.vbsf-spark .area{fill:rgba(47,123,255,.10);stroke:none}
.vbsf-spark-v{
  position:absolute;right:0;top:-2px;font-size:10.5px;color:var(--vbsf-muted);
  padding:1px 7px;border-radius:999px;background:rgba(255,255,255,.85)
}
.vbsf-spark-v b{color:var(--vbsf-blue-d);font-variant-numeric:tabular-nums}

/* states */
.vbsf-card.is-on{
  background:linear-gradient(160deg,rgba(255,255,255,.95),rgba(240,247,255,.8));
  border-color:rgba(47,123,255,.4);
  box-shadow:0 0 0 4px rgba(47,123,255,.07),0 18px 36px -18px rgba(47,123,255,.55),inset 0 1px 0 #fff
}
.vbsf-card.is-on .vbsf-ico{
  color:#fff;background:linear-gradient(160deg,#6aa8ff,#1d5fe0);
  box-shadow:0 8px 18px -6px rgba(29,95,224,.6)
}
.vbsf-card.is-on .vbsf-port{background:var(--vbsf-blue);border-color:#fff;box-shadow:0 0 0 4px rgba(47,123,255,.2)}
.vbsf-card.is-off{opacity:.62}
.vbsf-card.is-off .vbsf-ico{filter:grayscale(1);opacity:.7}
.vbsf-card.is-off .vbsf-txt b{color:#7c879e}
.vbsf-card.is-off .vbsf-port{border-color:rgba(148,163,184,.6)}
.vbsf-card.is-off .vbsf-sig i{background:rgba(148,163,184,.35);animation:none}
.vbsf-stage.is-focus-ai .vbsf-card:not(.is-on){opacity:.72}

.vbsf-dock-btn,.vbsf-val{position:relative;overflow:hidden}
.vbsf-card .vbsf-ripple,.vbsf-dock-btn .vbsf-ripple,.vbsf-val .vbsf-ripple{
  position:absolute;width:16px;height:16px;margin:-8px 0 0 -8px;border-radius:50%;pointer-events:none;
  background:radial-gradient(circle,rgba(47,123,255,.35),transparent 70%);border:0;box-shadow:none;
  animation:vbsfRipple .8s var(--vbsf-ease) forwards
}

/* wire states */
.vbsf-wire.is-off{stroke:rgba(148,163,184,.35);stroke-dasharray:3 5}
.vbsf-wire-flow.is-off{opacity:0}
.vbsf-pkt.is-off{display:none}

/* toast */
.vbsf-toast{
  position:absolute;left:50%;top:14px;z-index:30;transform:translate(-50%,-8px);opacity:0;pointer-events:none;
  display:inline-flex;align-items:center;gap:8px;padding:8px 14px;border-radius:999px;
  font-size:12.5px;font-weight:600;color:var(--vbsf-navy);white-space:nowrap;
  background:rgba(255,255,255,.88);border:1px solid #fff;box-shadow:0 14px 30px -14px rgba(20,60,160,.5);
  backdrop-filter:blur(16px);-webkit-backdrop-filter:blur(16px);
  transition:opacity .3s,transform .35s var(--vbsf-ease)
}
.vbsf-toast.is-show{opacity:1;transform:translate(-50%,0)}
.vbsf-toast i{color:var(--vbsf-blue)}
.vbsf-toast.off i{color:#94a3b8}

/* ---------- 3D Objects  ---------- */
.vbsf-core-col,.vbsf-mvss-col{position:relative;z-index:3;display:flex;flex-direction:column;align-items:center}
.vbsf-obj{position:relative;width:100%;perspective:1000px}
.vbsf-obj.vbs{max-width:360px}
.vbsf-obj.mvss{max-width:330px}
.vbsf-obj-float{position:relative;animation:vbsfFloat 6s ease-in-out infinite}
.vbsf-obj.mvss .vbsf-obj-float{animation-delay:-3s}
@keyframes vbsfFloat{50%{transform:translateY(-8px)}}
.vbsf-obj-inner{
  position:relative;transform-style:preserve-3d;
  transform:rotateX(var(--rx,0deg)) rotateY(var(--ry,0deg));
  transition:transform .5s var(--vbsf-ease)
}
.vbsf-img{
  display:block;width:100%;height:auto;user-select:none;-webkit-user-drag:none;
  filter:drop-shadow(0 26px 30px rgba(20,70,180,.28)) drop-shadow(0 0 22px rgba(47,123,255,.18));
  transition:filter .5s var(--vbsf-ease)
}
.vbsf-obj.is-active .vbsf-img{
  filter:drop-shadow(0 30px 34px rgba(20,70,180,.34)) drop-shadow(0 0 34px rgba(47,123,255,.42)) saturate(1.08)
}

/* light sweep, masked by the PNG alpha  */
.vbsf-shine{
  position:absolute;inset:0;pointer-events:none;
  -webkit-mask-size:100% 100%;mask-size:100% 100%;
  -webkit-mask-repeat:no-repeat;mask-repeat:no-repeat;
  background:linear-gradient(105deg,transparent 30%,rgba(255,255,255,.55) 46%,rgba(170,215,255,.35) 52%,transparent 66%);
  background-size:260% 100%;background-position:130% 0;
  mix-blend-mode:screen;animation:vbsfSweep 6.5s ease-in-out infinite
}
.vbsf-obj.mvss .vbsf-shine{animation-delay:-3.2s}
@keyframes vbsfSweep{0%,55%{background-position:130% 0}100%{background-position:-60% 0}}
/* layer-focused flash  */
.vbsf-flash{
  position:absolute;inset:0;pointer-events:none;opacity:0;
  -webkit-mask-size:100% 100%;mask-size:100% 100%;-webkit-mask-repeat:no-repeat;mask-repeat:no-repeat;
  background:radial-gradient(ellipse at 50% 50%,rgba(140,200,255,.75),rgba(47,123,255,.25) 45%,transparent 70%);
  mix-blend-mode:screen
}
.vbsf-flash.is-go{animation:vbsfFlash 1.1s var(--vbsf-ease)}
@keyframes vbsfFlash{0%{opacity:0}25%{opacity:1}100%{opacity:0}}

/* hotspots */
.vbsf-hot{
  position:absolute;left:var(--x);top:var(--y);width:var(--w);height:var(--h);
  padding:0;margin:0;border:0;background:transparent;cursor:pointer;
  border-radius:18px;outline:none;font:inherit;color:inherit;-webkit-tap-highlight-color:transparent
}
.vbsf-hot::before{
  content:"";position:absolute;inset:0;border-radius:inherit;
  border:1.5px dashed rgba(255,255,255,0);
  background:rgba(120,180,255,0);transition:all .35s var(--vbsf-ease)
}
.vbsf-hot:hover::before,.vbsf-hot:focus-visible::before{
  border-color:rgba(255,255,255,.85);background:rgba(120,180,255,.10);
  box-shadow:0 0 0 1px rgba(47,123,255,.35),0 0 24px rgba(47,123,255,.35)
}
.vbsf-hot.is-sel::before{
  border-style:solid;border-color:rgba(255,255,255,.95);background:rgba(120,180,255,.14);
  box-shadow:0 0 0 2px rgba(47,123,255,.55),0 0 36px rgba(47,123,255,.55);
  animation:vbsfSel 1.8s ease-in-out infinite
}
@keyframes vbsfSel{50%{box-shadow:0 0 0 2px rgba(47,123,255,.3),0 0 18px rgba(47,123,255,.3)}}
.vbsf-hot-dot{
  position:absolute;right:-12px;top:50%;width:24px;height:24px;margin-top:-12px;border-radius:50%;
  display:grid;place-items:center;font-size:11px;font-weight:700;color:#fff;
  background:linear-gradient(160deg,#6aa8ff,#1d5fe0);border:2px solid #fff;
  box-shadow:0 6px 14px -4px rgba(29,95,224,.7)
}
.vbsf-hot-dot::after{
  content:"";position:absolute;inset:-6px;border-radius:50%;border:1.5px solid rgba(47,123,255,.55);
  animation:vbsfRing 2.2s ease-out infinite
}
@keyframes vbsfRing{from{transform:scale(.6);opacity:1}to{transform:scale(1.5);opacity:0}}
.vbsf-hot-tag{
  position:absolute;right:18px;top:50%;transform:translate(0,-50%) scale(.9);opacity:0;white-space:nowrap;
  padding:5px 10px;border-radius:999px;font-size:12px;font-weight:600;color:var(--vbsf-navy);
  background:rgba(255,255,255,.9);border:1px solid #fff;box-shadow:var(--vbsf-shadow);
  transition:all .3s var(--vbsf-ease);pointer-events:none
}
.vbsf-hot:hover .vbsf-hot-tag,.vbsf-hot:focus-visible .vbsf-hot-tag{opacity:1;transform:translate(-12px,-50%) scale(1)}
.vbsf-hot.is-sel .vbsf-hot-dot{background:linear-gradient(160deg,#38bdf8,#1552d6)}

/* click ripple */
.vbsf-ripple{
  position:absolute;width:16px;height:16px;margin:-8px 0 0 -8px;border-radius:50%;pointer-events:none;
  border:2px solid rgba(255,255,255,.95);box-shadow:0 0 18px rgba(47,123,255,.8);
  animation:vbsfRipple .9s var(--vbsf-ease) forwards
}
@keyframes vbsfRipple{to{transform:scale(9);opacity:0}}

/* MVSS rows  */
.vbsf-ai-row.vbsf-hot{border-radius:14px}
.vbsf-ai-row .vbsf-scanbar{
  position:absolute;left:4%;right:4%;bottom:5px;height:3px;border-radius:3px;overflow:hidden;
  background:rgba(47,123,255,0);transition:background .3s
}
.vbsf-ai-row .vbsf-scanbar::after{
  content:"";position:absolute;left:0;top:0;bottom:0;width:0;border-radius:inherit;
  background:linear-gradient(90deg,#2f7bff,#38bdf8)
}
.vbsf-ai-row.is-on::before{
  border:1.5px solid rgba(255,255,255,.95);background:rgba(120,180,255,.10);
  box-shadow:0 0 0 2px rgba(47,123,255,.45),0 0 26px rgba(47,123,255,.45)
}
.vbsf-ai-row.is-on .vbsf-scanbar{background:rgba(47,123,255,.12)}
.vbsf-ai-row.is-on .vbsf-scanbar::after{animation:vbsfProg 3s linear forwards}
@keyframes vbsfProg{to{width:100%}}
.vbsf-ai-row em{
  position:absolute;right:-6px;top:-10px;font-style:normal;font-size:11px;font-weight:700;
  padding:3px 8px;border-radius:999px;color:var(--vbsf-blue-d);font-variant-numeric:tabular-nums;
  background:rgba(255,255,255,.95);border:1px solid #fff;box-shadow:0 6px 14px -6px rgba(29,95,224,.5);
  opacity:0;transform:translateY(4px);transition:all .35s var(--vbsf-ease)
}
.vbsf-ai-row.is-on em,.vbsf-ai-row:hover em{opacity:1;transform:none}

/* detail popover */
.vbsf-pop{
  position:absolute;left:50%;top:calc(100% - 6px);z-index:20;width:min(280px,96%);
  padding:16px 16px 14px;border-radius:18px;text-align:left;
  background:rgba(255,255,255,.82);border:1px solid #fff;
  box-shadow:0 24px 50px -18px rgba(20,60,160,.45),inset 0 1px 0 #fff;
  backdrop-filter:blur(20px) saturate(160%);-webkit-backdrop-filter:blur(20px) saturate(160%);
  opacity:0;visibility:hidden;transform:translate(-50%,10px) scale(.96);
  transition:opacity .3s var(--vbsf-ease),transform .35s var(--vbsf-ease),visibility .3s
}
.vbsf-pop.is-open{opacity:1;visibility:visible;transform:translate(-50%,0) scale(1)}
.vbsf-pop::before{content:"";position:absolute;left:50%;top:-7px;width:14px;height:14px;margin-left:-7px;transform:rotate(45deg);
  background:rgba(255,255,255,.92);border-left:1px solid #fff;border-top:1px solid #fff;border-radius:3px 0 0 0}
.vbsf-pop-k{display:block;font-size:10.5px;letter-spacing:.2em;color:var(--vbsf-blue);font-weight:700}
.vbsf-pop h4{margin:4px 0 6px;font-size:16px;font-weight:700;color:var(--vbsf-navy)}
.vbsf-pop p{margin:0;font-size:12.5px;line-height:1.65;color:#44526f}
.vbsf-pop-specs{display:flex;flex-wrap:wrap;gap:6px;margin-top:10px}
.vbsf-pop-specs span{
  padding:3px 9px;border-radius:999px;font-size:11px;font-weight:600;color:var(--vbsf-blue-d);
  background:rgba(47,123,255,.08);border:1px solid rgba(47,123,255,.18)
}
.vbsf-pop-x{
  position:absolute;top:8px;right:8px;width:26px;height:26px;border-radius:50%;border:0;cursor:pointer;
  display:grid;place-items:center;font-size:12px;color:var(--vbsf-muted);background:rgba(47,123,255,.08)
}
.vbsf-pop-x:hover{background:rgba(47,123,255,.16);color:var(--vbsf-navy)}

/* halo + orbit behind VBS */
.vbsf-halo{
  position:absolute;left:-12%;right:-12%;top:4%;bottom:0;pointer-events:none;
  background:radial-gradient(closest-side,rgba(47,123,255,.24),rgba(47,123,255,.06) 60%,transparent 75%);
  animation:vbsfBreath 5s ease-in-out infinite
}
@keyframes vbsfBreath{50%{transform:scale(1.06);opacity:.75}}
.vbsf-orbit{
  position:absolute;left:50%;border-radius:50%;pointer-events:none;
  border:1.5px dashed rgba(47,123,255,.35)
}
.vbsf-orbit.o1{width:120%;aspect-ratio:1;margin-left:-60%;bottom:-48%;animation:vbsfSpin 22s linear infinite}
.vbsf-orbit.o2{width:140%;aspect-ratio:1;margin-left:-70%;bottom:-58%;border-style:solid;border-color:rgba(47,123,255,.14);animation:vbsfSpin 36s linear infinite reverse}
.vbsf-orbit::after{
  content:"";position:absolute;top:-5px;left:50%;width:10px;height:10px;margin-left:-5px;border-radius:50%;
  background:#fff;border:2px solid var(--vbsf-blue);box-shadow:0 0 12px rgba(47,123,255,.8)
}
@keyframes vbsfSpin{from{transform:rotateX(78deg) rotateZ(0)}to{transform:rotateX(78deg) rotateZ(360deg)}}

.vbsf-hint{margin:10px 0 0;font-size:11.5px;color:var(--vbsf-muted);letter-spacing:.04em}
.vbsf-hint i{color:var(--vbsf-blue);margin-right:4px}

.vbsf-stats{display:flex;gap:8px;flex-wrap:wrap;justify-content:center;margin-top:10px}
.vbsf-chip{
  display:inline-flex;align-items:center;gap:6px;padding:6px 11px;border-radius:999px;
  font-size:12px;color:var(--vbsf-muted);
  background:rgba(255,255,255,.75);border:1px solid var(--vbsf-edge);box-shadow:var(--vbsf-shadow)
}
.vbsf-chip b{color:var(--vbsf-navy);font-weight:700;font-variant-numeric:tabular-nums}
.vbsf-chip .dot{width:6px;height:6px;border-radius:50%;background:var(--vbsf-blue)}
.vbsf-chip .dot.out{background:#0ea5e9}
.vbsf-chip .dot.lat{background:#22c55e}
.vbsf-route{
  margin:10px 0 0;max-width:320px;text-align:center;font-size:12px;color:var(--vbsf-muted);
  min-height:18px;transition:opacity .35s
}
.vbsf-route b{color:var(--vbsf-blue-d);font-weight:600}
.vbsf-route.is-fade{opacity:0}
/* mobile connector (hidden on desktop) */
.vbsf-mflow{display:none}

/* ---------- Value bar (linked buttons) ---------- */
.vbsf-values{
  position:relative;z-index:1;display:grid;grid-template-columns:repeat(3,1fr);gap:10px;margin-top:28px;padding:10px;border-radius:26px;
  background:rgba(255,255,255,.5);border:1px solid var(--vbsf-edge);box-shadow:var(--vbsf-shadow);
  backdrop-filter:blur(18px);-webkit-backdrop-filter:blur(18px)
}
.vbsf-val{
  all:unset;box-sizing:border-box;position:relative;display:flex;align-items:center;gap:16px;cursor:pointer;
  padding:14px 18px;border-radius:18px;border:1px solid transparent;
  transition:all .4s var(--vbsf-ease)
}
.vbsf-val:hover{background:rgba(255,255,255,.75);border-color:#fff;box-shadow:0 14px 30px -18px rgba(28,78,180,.45)}
.vbsf-val:focus-visible{outline:2px solid rgba(47,123,255,.6)}
.vbsf-val-ico{
  flex:0 0 54px;height:54px;border-radius:50%;display:grid;place-items:center;font-size:21px;color:var(--vbsf-blue-d);
  background:radial-gradient(circle at 35% 30%,#fff,#dfeaff);
  border:1px solid #fff;box-shadow:0 10px 22px -10px rgba(47,123,255,.55),inset 0 -4px 10px rgba(47,123,255,.12);
  transition:all .45s var(--vbsf-ease)
}
.vbsf-val-txt{flex:1;min-width:0}
.vbsf-val b{display:block;font-size:17px;font-weight:700;color:var(--vbsf-navy);letter-spacing:.04em}
.vbsf-val small{display:block;margin-top:2px;font-size:12px;color:var(--vbsf-muted)}
.vbsf-val-go{
  width:30px;height:30px;border-radius:50%;display:grid;place-items:center;font-size:11px;color:var(--vbsf-blue);
  background:rgba(47,123,255,.08);opacity:0;transform:translateX(-6px);transition:all .4s var(--vbsf-ease)
}
.vbsf-val:hover .vbsf-val-go{opacity:1;transform:none}
.vbsf-val.is-on{
  background:linear-gradient(160deg,rgba(255,255,255,.95),rgba(236,245,255,.85));border-color:rgba(47,123,255,.35);
  box-shadow:0 0 0 4px rgba(47,123,255,.07),0 18px 36px -18px rgba(47,123,255,.55)
}
.vbsf-val.is-on .vbsf-val-ico{color:#fff;background:linear-gradient(160deg,#6aa8ff,#1d5fe0);transform:scale(1.05)}
.vbsf-val.is-on .vbsf-val-go{opacity:1;transform:none;color:#fff;background:var(--vbsf-blue)}

.vbsf-tagline{
  display:flex;align-items:center;justify-content:center;gap:18px;margin-top:28px;
  font-size:11px;letter-spacing:.42em;color:#8b99b8
}
.vbsf-tagline::before,.vbsf-tagline::after{content:"";width:48px;height:1px;background:currentColor;opacity:.5}

/* ---------- Responsive ---------- */
@media (max-width:1180px){
  .vbsf-dock{margin-top:0}
  .vbsf-stage{grid-template-columns:1fr;gap:0;padding:24px 18px}
  .vbsf-wires,.vbsf-link-label{display:none}
  .vbsf-list{display:grid;grid-template-columns:repeat(2,1fr);align-items:start}
  .vbsf-port{display:none}
  .vbsf-obj.vbs{max-width:320px}
  .vbsf-obj.mvss{max-width:300px}
  .vbsf-mflow{
    display:block;position:relative;width:2px;height:46px;margin:6px auto;
    background:linear-gradient(180deg,rgba(47,123,255,.1),rgba(47,123,255,.45));border-radius:2px
  }
  .vbsf-mflow::after{
    content:"";position:absolute;left:50%;width:8px;height:8px;margin-left:-4px;border-radius:50%;
    background:var(--vbsf-blue);box-shadow:0 0 10px var(--vbsf-blue);animation:vbsfDrop 1.4s linear infinite
  }
  .vbsf-mflow span{
    position:absolute;left:14px;top:50%;transform:translateY(-50%);white-space:nowrap;font-size:11px;color:var(--vbsf-muted)
  }
  @keyframes vbsfDrop{from{top:0;opacity:0}20%{opacity:1}to{top:100%;opacity:0}}
}
@media (max-width:640px){
  .vbsf-section{padding:64px 14px 56px}
  .vbsf-list{grid-template-columns:1fr}
  .vbsf-hot-dot{right:-6px}
  .vbsf-values{grid-template-columns:1fr}
  .vbsf-dock{margin-top:18px}
  .vbsf-tagline{letter-spacing:.24em;gap:10px}
  .vbsf-tagline::before,.vbsf-tagline::after{width:24px}
}
@media (prefers-reduced-motion:reduce){
  .vbsf-section *,.vbsf-section *::before,.vbsf-section *::after{animation:none!important;transition:none!important}
}