/* Service landing pages v5 — brand-first, no art fonts / vertical rules */

/* ---- page shell ---- */
.ld-page{padding-bottom:120px}

/* ---- subnav ---- */
.ld-subnav{
  position:sticky;
  top:100px;
  z-index:40;
  margin-top:120px;
  background:rgba(18,18,18,.92);
  backdrop-filter:blur(16px);
  -webkit-backdrop-filter:blur(16px);
  border-bottom:1px solid rgba(255,255,255,.08)
}
.ld-subnav-inner{display:flex;align-items:center;gap:18px;min-height:52px;padding:8px 0;overflow-x:auto;-webkit-overflow-scrolling:touch}
.ld-subnav-hub{
  display:inline-flex;align-items:center;flex-shrink:0;
  font-size:14px;font-weight:700;color:var(--c-text);
  padding:8px 16px;border-radius:2px;border:1px solid rgba(255,255,255,.12);white-space:nowrap;
  transition:background .25s,color .25s,border-color .25s
}
.ld-subnav-hub.on,.ld-subnav-hub:hover{color:var(--c-accent-ink);background:var(--c-accent);border-color:var(--c-accent)}
.ld-subnav-links{display:flex;align-items:center;gap:4px;flex:1}
.ld-subnav-links a{
  flex-shrink:0;font-size:14px;color:var(--c-text-muted);
  padding:8px 14px;border-radius:2px;white-space:nowrap;
  transition:color .25s,background .25s
}
.ld-subnav-links a:hover,.ld-subnav-links a.on{color:var(--c-accent);background:var(--c-accent-soft)}

/* ---- hero ---- */
.ld-hero{
  position:relative;
  min-height:calc(100vh - 172px);
  display:flex;align-items:center;
  padding:72px 0 100px;
  overflow:hidden
}
.ld-hero-bg{
  position:absolute;inset:0;z-index:0;
  background:
    radial-gradient(ellipse 80% 60% at 18% 0%,var(--c-accent-soft),transparent 58%),
    radial-gradient(ellipse 55% 50% at 88% 100%,rgba(255,255,255,.04),transparent 52%),
    linear-gradient(160deg,#161616 0%,#1e1e1e 45%,#121212 100%)
}
.ld-hero-bg .orb{
  position:absolute;border-radius:50%;pointer-events:none;filter:blur(48px);
  animation:ld-orb 12s ease-in-out infinite alternate
}
.ld-hero-bg .orb-a{
  width:380px;height:380px;left:-100px;top:8%;
  background:var(--c-accent-soft);opacity:.7
}
.ld-hero-bg .orb-b{
  width:300px;height:300px;right:-80px;bottom:0;
  background:rgba(255,255,255,.035);animation-delay:-5s
}
.ld-hero-bg .glow{
  position:absolute;inset:auto 0 0;height:42%;
  background:linear-gradient(180deg,transparent,rgba(0,0,0,.35));
  pointer-events:none
}
@keyframes ld-orb{
  from{transform:translate3d(0,0,0)}
  to{transform:translate3d(16px,-20px,0)}
}

.ld-hero .wp{position:relative;z-index:1;width:100%}
.ld-crumb{font-size:13px;color:rgba(255,255,255,.42);margin-bottom:36px;letter-spacing:.04em}
.ld-crumb a{color:rgba(255,255,255,.42)}
.ld-crumb a:hover{color:var(--c-accent)}
.ld-crumb span{margin:0 10px;opacity:.45}

.ld-hero-stage{
  display:grid;
  grid-template-columns:minmax(0,1.08fr) minmax(280px,.92fr);
  gap:48px 56px;
  align-items:center;
  min-height:460px
}
.ld-hero-main{
  position:relative;
  max-width:640px;
  z-index:2
}
.ld-brand{
  display:flex;align-items:center;flex-wrap:wrap;gap:10px 14px;
  margin:0 0 22px;
  animation:ld-rise .7s cubic-bezier(.22,1,.36,1) both
}
.ld-brand-mark{
  width:10px;height:10px;flex-shrink:0;
  background:var(--c-accent);
  box-shadow:0 0 0 4px var(--c-accent-soft)
}
.ld-brand-name{
  font-size:15px;font-weight:700;color:#fff;
  letter-spacing:.08em
}
.ld-brand-sep{
  width:1px;height:14px;background:rgba(255,255,255,.28)
}
.ld-kicker{
  font-size:12px;font-weight:700;color:var(--c-accent);
  letter-spacing:.18em;text-transform:uppercase
}
.ld-hero h1{
  font-size:clamp(32px,4vw,52px);
  font-weight:700;line-height:1.2;
  margin:0 0 22px;max-width:12em;
  letter-spacing:-.02em
}
.ld-hero .lead{
  font-size:16px;line-height:1.9;color:rgba(255,255,255,.72);
  max-width:520px;margin:0 0 32px
}
.ld-hero .price-tip{
  display:inline-flex;align-items:baseline;gap:10px;
  background:rgba(0,0,0,.28);
  border:1px solid rgba(255,240,0,.22);
  padding:14px 22px;margin:0 0 28px
}
.ld-hero .price-tip .label{font-size:13px;color:var(--c-text-muted)}
.ld-hero .price-tip .num{font-size:28px;font-weight:700;color:var(--c-accent)}
.ld-hero .price-tip .unit{font-size:13px;color:var(--c-text-muted)}
.ld-hero .actions{display:flex;flex-wrap:wrap;gap:14px;margin:0}
.ld-hero .actions a{
  display:inline-flex;align-items:center;justify-content:center;
  min-width:148px;height:52px;padding:0 28px;
  font-size:15px;border-radius:2px;transition:all .35s cubic-bezier(.22,1,.36,1)
}
.ld-hero .actions .btn-primary{background:var(--c-accent);color:var(--c-accent-ink);font-weight:700}
.ld-hero .actions .btn-primary:hover{filter:brightness(1.06);transform:translateY(-3px)}
.ld-hero .actions .btn-ghost{background:transparent;border:1px solid rgba(255,255,255,.28);color:#fff}
.ld-hero .actions .btn-ghost:hover{border-color:var(--c-accent);color:var(--c-accent)}
@keyframes ld-rise{
  from{opacity:0;transform:translateY(22px)}
  to{opacity:1;transform:none}
}

/* ---- hero visual stage ---- */
.ld-hero-viz{
  position:relative;
  height:min(520px,62vh);
  min-height:420px;
  display:flex;align-items:center;justify-content:center;
  animation:ld-viz-in 1s cubic-bezier(.22,1,.36,1) .15s both;
  pointer-events:none;user-select:none
}
.ld-viz-scene{
  position:relative;width:100%;max-width:480px;aspect-ratio:1;
  margin:0 auto
}
@keyframes ld-viz-in{
  from{opacity:0;transform:translateX(28px) scale(.97)}
  to{opacity:1;transform:none}
}
@keyframes ld-spin{to{transform:rotate(360deg)}}
@keyframes ld-spin-rev{to{transform:rotate(-360deg)}}
@keyframes ld-pulse{
  0%,100%{transform:scale(1);opacity:.55}
  50%{transform:scale(1.12);opacity:.15}
}
@keyframes ld-float{
  0%,100%{transform:translateY(0)}
  50%{transform:translateY(-12px)}
}
@keyframes ld-float-x{
  0%,100%{transform:translate(0,0)}
  50%{transform:translate(8px,-10px)}
}
@keyframes ld-dash{to{stroke-dashoffset:-48}}
@keyframes ld-scan{
  0%{transform:translateY(-20%);opacity:0}
  15%{opacity:.7}
  85%{opacity:.7}
  100%{transform:translateY(220%);opacity:0}
}
@keyframes ld-blink{
  0%,40%,100%{opacity:1}
  50%{opacity:.15}
}
@keyframes ld-radar-sweep{to{transform:rotate(360deg)}}
@keyframes ld-blip{
  0%,100%{transform:scale(.6);opacity:.2}
  40%{transform:scale(1);opacity:1}
  70%{transform:scale(1.4);opacity:0}
}
@keyframes ld-wave{
  0%{transform:scale(.55);opacity:.55}
  100%{transform:scale(1.35);opacity:0}
}
@keyframes ld-slide-up{
  0%,100%{transform:translateY(0);opacity:.9}
  50%{transform:translateY(-8px);opacity:1}
}
@keyframes ld-type{
  0%,100%{width:40%}
  50%{width:78%}
}

/* AI AGENT — neural core */
.ld-viz--ai-agent .ring{
  position:absolute;left:50%;top:50%;border-radius:50%;
  border:1px solid rgba(255,255,255,.1);transform:translate(-50%,-50%)
}
.ld-viz--ai-agent .r1{width:42%;height:42%;animation:ld-spin 28s linear infinite}
.ld-viz--ai-agent .r2{width:68%;height:68%;border-style:dashed;border-color:rgba(255,240,0,.18);animation:ld-spin-rev 40s linear infinite}
.ld-viz--ai-agent .r3{width:92%;height:92%;border-color:rgba(255,255,255,.06)}
.ld-viz--ai-agent .core{
  position:absolute;left:50%;top:50%;width:72px;height:72px;
  margin:-36px 0 0 -36px;z-index:3
}
.ld-viz--ai-agent .core-dot{
  position:absolute;inset:18px;border-radius:50%;
  background:var(--c-accent);box-shadow:0 0 28px rgba(255,240,0,.35)
}
.ld-viz--ai-agent .core-pulse{
  position:absolute;inset:0;border-radius:50%;
  border:2px solid var(--c-accent);animation:ld-pulse 2.4s ease-out infinite
}
.ld-viz--ai-agent .net{
  position:absolute;inset:0;width:100%;height:100%;
  color:rgba(255,255,255,.28)
}
.ld-viz--ai-agent .links line{opacity:.55}
.ld-viz--ai-agent .nodes .n{
  fill:var(--c-accent);opacity:.85;
  animation:ld-blink 3.6s ease-in-out infinite
}
.ld-viz--ai-agent .nodes .n:nth-child(2){animation-delay:.4s}
.ld-viz--ai-agent .nodes .n:nth-child(3){animation-delay:.8s}
.ld-viz--ai-agent .nodes .n:nth-child(4){animation-delay:1.2s}
.ld-viz--ai-agent .nodes .n:nth-child(5){animation-delay:1.6s}
.ld-viz--ai-agent .nodes .n:nth-child(6){animation-delay:2s}
.ld-viz--ai-agent .orbit{
  position:absolute;left:50%;top:50%;border-radius:50%;
  border:1px solid transparent;transform:translate(-50%,-50%)
}
.ld-viz--ai-agent .orbit i{
  position:absolute;top:0;left:50%;width:8px;height:8px;margin:-4px 0 0 -4px;
  border-radius:50%;background:var(--c-accent)
}
.ld-viz--ai-agent .orbit .i2{top:auto;bottom:8%;left:12%}
.ld-viz--ai-agent .o1{width:54%;height:54%;animation:ld-spin 12s linear infinite}
.ld-viz--ai-agent .o2{width:78%;height:78%;animation:ld-spin-rev 18s linear infinite}
.ld-viz--ai-agent .chip{
  position:absolute;width:88px;padding:10px 12px;
  background:rgba(34,34,34,.82);border:1px solid rgba(255,255,255,.1);
  backdrop-filter:blur(8px);animation:ld-float 5s ease-in-out infinite
}
.ld-viz--ai-agent .chip b{
  display:block;width:28px;height:4px;margin-bottom:8px;
  background:var(--c-accent)
}
.ld-viz--ai-agent .chip span{
  display:block;height:3px;margin-top:6px;background:rgba(255,255,255,.18);border-radius:2px
}
.ld-viz--ai-agent .chip span:nth-child(3){width:70%}
.ld-viz--ai-agent .c1{left:2%;top:18%;animation-delay:0s}
.ld-viz--ai-agent .c2{right:0;top:42%;animation-delay:1s}
.ld-viz--ai-agent .c3{left:10%;bottom:12%;width:72px;animation-delay:1.8s}

/* WEB — layered browsers */
.ld-viz--web-building .browser{
  position:absolute;border:1px solid rgba(255,255,255,.14);
  background:rgba(28,28,30,.92);overflow:hidden;
  box-shadow:0 24px 60px rgba(0,0,0,.35)
}
.ld-viz--web-building .bar{
  display:flex;align-items:center;gap:6px;height:28px;padding:0 12px;
  background:rgba(255,255,255,.04);border-bottom:1px solid rgba(255,255,255,.08)
}
.ld-viz--web-building .bar i{width:7px;height:7px;border-radius:50%;background:rgba(255,255,255,.2)}
.ld-viz--web-building .bar i:first-child{background:#ff5f57}
.ld-viz--web-building .bar i:nth-child(2){background:#febc2e}
.ld-viz--web-building .bar i:nth-child(3){background:#28c840}
.ld-viz--web-building .bar em{
  flex:1;height:12px;margin-left:8px;border-radius:6px;
  background:rgba(255,255,255,.06)
}
.ld-viz--web-building .body{position:relative;padding:16px;height:calc(100% - 28px)}
.ld-viz--web-building .blk{
  background:rgba(255,255,255,.06);border:1px solid rgba(255,255,255,.06)
}
.ld-viz--web-building .hero-blk{
  height:38%;margin-bottom:12px;
  background:linear-gradient(135deg,var(--c-accent-soft),rgba(255,255,255,.04));
  border-color:rgba(255,240,0,.2)
}
.ld-viz--web-building .row{display:grid;grid-template-columns:repeat(3,1fr);gap:10px;height:42%}
.ld-viz--web-building .scan{
  position:absolute;left:0;right:0;height:28%;
  background:linear-gradient(180deg,transparent,rgba(255,240,0,.12),transparent);
  animation:ld-scan 3.8s ease-in-out infinite
}
.ld-viz--web-building .b1{
  width:78%;height:72%;left:0;top:8%;
  animation:ld-float 6s ease-in-out infinite
}
.ld-viz--web-building .b2{
  width:48%;height:46%;right:0;bottom:6%;
  border-color:rgba(255,240,0,.28);
  animation:ld-float-x 5.2s ease-in-out infinite
}
.ld-viz--web-building .code span{
  display:block;height:6px;margin-bottom:10px;border-radius:2px;
  background:rgba(255,255,255,.12);animation:ld-type 3.2s ease-in-out infinite
}
.ld-viz--web-building .code span:nth-child(1){width:72%;background:rgba(255,240,0,.35)}
.ld-viz--web-building .code span:nth-child(2){width:88%;animation-delay:.2s}
.ld-viz--web-building .code span:nth-child(3){width:54%;animation-delay:.4s}
.ld-viz--web-building .code span:nth-child(4){width:76%;animation-delay:.6s}
.ld-viz--web-building .code span:nth-child(5){width:42%;animation-delay:.8s}
.ld-viz--web-building .cursor{
  position:absolute;width:14px;height:14px;right:18%;top:38%;
  border-right:2px solid var(--c-accent);border-bottom:2px solid var(--c-accent);
  transform:rotate(45deg);animation:ld-float-x 2.8s ease-in-out infinite
}
.ld-viz--web-building .float-tag{
  position:absolute;padding:6px 12px;font-size:11px;font-weight:700;
  letter-spacing:.12em;color:var(--c-accent-ink);background:var(--c-accent);
  animation:ld-slide-up 4s ease-in-out infinite
}
.ld-viz--web-building .t1{left:6%;bottom:28%}
.ld-viz--web-building .t2{right:8%;top:14%;animation-delay:.8s;background:#fff;color:#222}
.ld-viz--web-building .t3{right:22%;bottom:2%;animation-delay:1.4s}

/* FOREIGN — globe */
.ld-viz--foreign-website .globe{
  position:absolute;inset:8%;display:flex;align-items:center;justify-content:center
}
.ld-viz--foreign-website .sphere{
  position:relative;width:58%;aspect-ratio:1;border-radius:50%;
  background:
    radial-gradient(circle at 32% 28%,rgba(255,255,255,.16),transparent 42%),
    radial-gradient(circle at 50% 50%,#2a2d33 0%,#1a1b1e 70%);
  border:1px solid rgba(255,255,255,.16);
  overflow:hidden;animation:ld-float 7s ease-in-out infinite
}
.ld-viz--foreign-website .lat,
.ld-viz--foreign-website .mer{
  position:absolute;left:50%;top:50%;border:1px solid rgba(255,240,0,.18);
  border-radius:50%;transform:translate(-50%,-50%)
}
.ld-viz--foreign-website .l1{width:92%;height:28%}
.ld-viz--foreign-website .l2{width:92%;height:55%}
.ld-viz--foreign-website .l3{width:92%;height:82%}
.ld-viz--foreign-website .m1{width:40%;height:92%;animation:ld-spin 16s linear infinite}
.ld-viz--foreign-website .m2{width:70%;height:92%;border-color:rgba(255,255,255,.12);animation:ld-spin-rev 22s linear infinite}
.ld-viz--foreign-website .shine{
  position:absolute;inset:0;border-radius:50%;
  background:linear-gradient(125deg,rgba(255,255,255,.12),transparent 40%)
}
.ld-viz--foreign-website .orbit-ring{
  position:absolute;left:50%;top:50%;border:1px dashed rgba(255,255,255,.16);
  border-radius:50%;transform:translate(-50%,-50%) rotateX(66deg)
}
.ld-viz--foreign-website .or1{width:78%;height:78%;animation:ld-spin 20s linear infinite}
.ld-viz--foreign-website .or2{width:96%;height:96%;border-color:rgba(255,240,0,.2);animation:ld-spin-rev 28s linear infinite}
.ld-viz--foreign-website .sat-track{
  position:absolute;left:50%;top:50%;border-radius:50%;
  transform:translate(-50%,-50%) rotateX(66deg)
}
.ld-viz--foreign-website .sat-track .sat{
  position:absolute;top:0;left:50%;width:10px;height:10px;margin:-5px 0 0 -5px;
  border-radius:50%;background:var(--c-accent);
  box-shadow:0 0 12px rgba(255,240,0,.4);
  transform:rotateX(-66deg)
}
.ld-viz--foreign-website .st1{width:78%;height:78%;animation:ld-spin 8s linear infinite}
.ld-viz--foreign-website .st2{width:96%;height:96%;animation:ld-spin-rev 11s linear infinite}
.ld-viz--foreign-website .st2 .sat{width:8px;height:8px;margin:-4px 0 0 -4px}
.ld-viz--foreign-website .st3{width:62%;height:62%;animation:ld-spin 6.5s linear infinite}
.ld-viz--foreign-website .st3 .sat{width:6px;height:6px;margin:-3px 0 0 -3px}
.ld-viz--foreign-website .pin{
  position:absolute;width:8px;height:8px;border-radius:50%;
  background:var(--c-accent);animation:ld-blip 2.8s ease-out infinite
}
.ld-viz--foreign-website .p1{left:38%;top:36%}
.ld-viz--foreign-website .p2{left:58%;top:48%;animation-delay:.7s}
.ld-viz--foreign-website .p3{left:46%;top:62%;animation-delay:1.4s}
.ld-viz--foreign-website .wave{
  position:absolute;left:38%;top:36%;width:40px;height:40px;margin:-16px;
  border:1px solid var(--c-accent);border-radius:50%;animation:ld-wave 2.8s ease-out infinite
}
.ld-viz--foreign-website .w2{left:58%;top:48%;animation-delay:1s}
.ld-viz--foreign-website .route{
  position:absolute;left:8%;right:8%;bottom:4%;height:28%;color:rgba(255,240,0,.45)
}
.ld-viz--foreign-website .route svg{width:100%;height:100%}
.ld-viz--foreign-website .path{animation:ld-dash 2s linear infinite}

/* MINI PROGRAM — device */
.ld-viz--mini-program .phone{
  position:absolute;left:50%;top:50%;width:42%;aspect-ratio:9/18.5;
  transform:translate(-50%,-50%);
  border-radius:28px;padding:10px;
  background:linear-gradient(160deg,#3a3d45,#1e1f23);
  border:1px solid rgba(255,255,255,.16);
  box-shadow:0 30px 70px rgba(0,0,0,.45);
  animation:ld-float 5.5s ease-in-out infinite;z-index:2
}
.ld-viz--mini-program .notch{
  position:absolute;left:50%;top:14px;width:28%;height:8px;margin-left:-14%;
  background:#111;border-radius:8px;z-index:2
}
.ld-viz--mini-program .screen{
  position:relative;height:100%;border-radius:20px;overflow:hidden;
  background:#22252b
}
.ld-viz--mini-program .status{
  display:flex;justify-content:space-between;padding:16px 12px 8px
}
.ld-viz--mini-program .status i{display:block;width:18px;height:3px;background:rgba(255,255,255,.25)}
.ld-viz--mini-program .banner{
  margin:4px 12px 12px;height:28%;border-radius:8px;
  background:linear-gradient(135deg,var(--c-accent),#fff3a0);
  animation:ld-blink 4s ease-in-out infinite
}
.ld-viz--mini-program .cards{padding:0 12px;display:grid;gap:8px}
.ld-viz--mini-program .card{
  height:28px;border-radius:6px;background:rgba(255,255,255,.08);
  animation:ld-type 3.6s ease-in-out infinite
}
.ld-viz--mini-program .card:nth-child(2){animation-delay:.4s;width:88%}
.ld-viz--mini-program .card:nth-child(3){animation-delay:.8s;width:72%}
.ld-viz--mini-program .dock{
  position:absolute;left:12px;right:12px;bottom:14px;height:36px;
  display:flex;align-items:center;justify-content:space-around;
  background:rgba(0,0,0,.28);border-radius:12px
}
.ld-viz--mini-program .dock i{width:14px;height:14px;border-radius:4px;background:rgba(255,255,255,.2)}
.ld-viz--mini-program .dock i:first-child{background:var(--c-accent)}
.ld-viz--mini-program .screen-glow{
  position:absolute;inset:auto 0 0;height:40%;
  background:linear-gradient(transparent,rgba(255,240,0,.08));pointer-events:none
}
.ld-viz--mini-program .panel{
  position:absolute;padding:12px 14px;width:110px;
  background:rgba(34,34,34,.88);border:1px solid rgba(255,255,255,.12);
  backdrop-filter:blur(8px);animation:ld-float-x 4.8s ease-in-out infinite
}
.ld-viz--mini-program .panel b{
  display:block;width:22px;height:22px;margin-bottom:8px;
  background:var(--c-accent)
}
.ld-viz--mini-program .panel span{
  display:block;height:3px;margin-top:6px;background:rgba(255,255,255,.16)
}
.ld-viz--mini-program .panel span:last-child{width:60%}
.ld-viz--mini-program .pan1{left:2%;top:22%}
.ld-viz--mini-program .pan2{right:0;top:36%;animation-delay:1s}
.ld-viz--mini-program .pan3{
  left:6%;bottom:16%;width:96px;display:flex;align-items:center;gap:10px;animation-delay:.5s
}
.ld-viz--mini-program .pan3 i{
  width:28px;height:28px;border-radius:50%;
  border:2px solid var(--c-accent);flex-shrink:0
}
.ld-viz--mini-program .pan3 em{flex:1;height:4px;background:rgba(255,255,255,.2)}
.ld-viz--mini-program .spark{
  position:absolute;width:6px;height:6px;border-radius:50%;
  background:var(--c-accent);animation:ld-blip 2.4s ease-out infinite
}
.ld-viz--mini-program .sp1{right:18%;top:18%}
.ld-viz--mini-program .sp2{left:20%;top:48%;animation-delay:.6s}
.ld-viz--mini-program .sp3{right:12%;bottom:22%;animation-delay:1.2s}

/* GEO — radar + AI answers */
.ld-viz--geo-promotion .radar{
  position:absolute;left:50%;top:52%;width:78%;aspect-ratio:1;
  transform:translate(-50%,-50%)
}
.ld-viz--geo-promotion .disc{
  position:absolute;inset:0;margin:auto;border-radius:50%;
  border:1px solid rgba(255,255,255,.1)
}
.ld-viz--geo-promotion .d1{inset:12%}
.ld-viz--geo-promotion .d2{inset:26%;border-color:rgba(255,240,0,.16)}
.ld-viz--geo-promotion .d3{inset:40%}
.ld-viz--geo-promotion .sweep{
  position:absolute;inset:0;border-radius:50%;
  background:conic-gradient(from 0deg,transparent 0deg,rgba(255,240,0,.28) 50deg,transparent 80deg);
  animation:ld-radar-sweep 4s linear infinite;
  -webkit-mask:radial-gradient(circle,transparent 18%,#000 19%);
  mask:radial-gradient(circle,transparent 18%,#000 19%)
}
.ld-viz--geo-promotion .cross{
  position:absolute;background:rgba(255,255,255,.08)
}
.ld-viz--geo-promotion .cross.h{left:8%;right:8%;top:50%;height:1px}
.ld-viz--geo-promotion .cross.v{top:8%;bottom:8%;left:50%;width:1px}
.ld-viz--geo-promotion .hub{
  position:absolute;left:50%;top:50%;width:14px;height:14px;margin:-7px;
  border-radius:50%;background:var(--c-accent);
  box-shadow:0 0 20px rgba(255,240,0,.4)
}
.ld-viz--geo-promotion .blip{
  position:absolute;width:8px;height:8px;border-radius:50%;
  background:var(--c-accent);animation:ld-blip 2.6s ease-out infinite
}
.ld-viz--geo-promotion .b1{left:68%;top:28%}
.ld-viz--geo-promotion .b2{left:30%;top:34%;animation-delay:.5s}
.ld-viz--geo-promotion .b3{left:72%;top:58%;animation-delay:1s}
.ld-viz--geo-promotion .b4{left:38%;top:68%;animation-delay:1.5s}
.ld-viz--geo-promotion .answer{
  position:absolute;width:120px;padding:12px 14px;
  background:rgba(34,34,34,.9);border:1px solid rgba(255,255,255,.12);
  backdrop-filter:blur(8px);animation:ld-float 4.5s ease-in-out infinite
}
.ld-viz--geo-promotion .answer i{
  display:block;width:18px;height:18px;margin-bottom:8px;
  background:var(--c-accent);clip-path:polygon(50% 0,100% 100%,0 100%)
}
.ld-viz--geo-promotion .answer span{
  display:block;height:3px;margin-top:6px;background:rgba(255,255,255,.16)
}
.ld-viz--geo-promotion .answer span:last-child{width:55%}
.ld-viz--geo-promotion .a1{left:0;top:10%}
.ld-viz--geo-promotion .a2{right:0;top:28%;animation-delay:.9s}
.ld-viz--geo-promotion .a3{right:6%;bottom:8%;width:100px;animation-delay:1.6s}
.ld-viz--geo-promotion .beam{
  position:absolute;left:50%;top:10%;width:2px;height:28%;
  margin-left:-1px;
  background:linear-gradient(180deg,transparent,var(--c-accent),transparent);
  animation:ld-blink 2.2s ease-in-out infinite;opacity:.5
}

@media (prefers-reduced-motion:reduce){
  .ld-hero-viz *,.ld-hero-viz,.ld-hero-bg .orb{animation:none!important}
  .ld-hero-viz{opacity:1}
}

/* ---- sections ---- */
.ld-section{position:relative;padding:100px 0}
.ld-section.alt{background:var(--c-surface-2)}
.ld-section.ld-sec-core{padding:120px 0 100px}
.ld-section.ld-sec-feat{padding:100px 0 120px}
.ld-section.ld-sec-steps{padding:110px 0 100px}
.ld-section.ld-sec-adv{padding:100px 0}
.ld-section.ld-sec-price{padding:110px 0 90px}
.ld-section.ld-sec-related{padding:100px 0 80px}
.ld-section.ld-sec-cta{padding:60px 0 80px}
.ld-section.ld-sec-faq{padding:90px 0 110px}
.ld-section.ld-sec-faq-cta{padding:90px 0 110px}
.ld-section .wp{position:relative;z-index:1}

/* ---- section headers ---- */
.ld-hd{margin:0 0 56px;max-width:720px}
.ld-hd .eyebrow{
  display:inline-flex;align-items:center;gap:12px;
  font-size:12px;color:var(--c-accent);
  letter-spacing:.18em;text-transform:uppercase;margin:0 0 16px;font-weight:700
}
.ld-hd .ld-hd-num{
  display:inline-flex;align-items:center;justify-content:center;
  min-width:28px;height:22px;padding:0 6px;
  font-size:11px;letter-spacing:.06em;
  color:var(--c-accent-ink);background:var(--c-accent);font-weight:700
}
.ld-hd h2{
  font-size:clamp(26px,3.2vw,38px);font-weight:700;
  margin:0 0 16px;line-height:1.3;letter-spacing:-.015em
}
.ld-hd p{
  font-size:15px;color:var(--c-text-muted);line-height:1.9;
  margin:0;max-width:36em
}

/* ---- feature grid ---- */
.ld-feat{display:grid;grid-template-columns:repeat(4,1fr);gap:16px}
.ld-feat .item{
  background:var(--c-surface);padding:36px 26px 40px;
  border-top:2px solid transparent;
  transition:background .3s,border-color .3s,transform .35s cubic-bezier(.22,1,.36,1)
}
.ld-feat .item:hover{background:#353942;border-top-color:var(--c-accent);transform:translateY(-4px)}
.ld-feat .item .ico,
.ld-core .item .ico,
.ld-adv .item .ico,
.ld-related .item .ico{
  width:44px;height:44px;margin-bottom:24px;
  display:flex;align-items:center;justify-content:center;
  font-size:13px;font-weight:700;letter-spacing:.06em
}
.ld-feat .item .ico{background:var(--c-accent-soft);color:var(--c-accent)}
.ld-feat .item h3,
.ld-core .item h3,
.ld-adv .item h3,
.ld-related .item h3{font-size:18px;font-weight:600;margin:0 0 12px;letter-spacing:-.01em}
.ld-feat .item p,
.ld-core .item p,
.ld-adv .item p,
.ld-related .item p{font-size:14px;line-height:1.85;color:var(--c-text-muted);margin:0}

.ld-stats{
  display:flex;justify-content:flex-start;gap:56px;flex-wrap:wrap;
  margin-top:56px;padding-top:36px;border-top:1px solid rgba(255,255,255,.08)
}
.ld-stats .num{
  font-size:40px;font-weight:700;
  color:var(--c-accent);line-height:1;letter-spacing:-.02em
}
.ld-stats .label{font-size:13px;color:var(--c-text-muted);margin-top:10px;letter-spacing:.04em}

/* ---- core ---- */
.ld-core{display:grid;grid-template-columns:repeat(3,1fr);gap:20px}
.ld-core .item{
  position:relative;padding:40px 30px 36px;
  background:var(--c-surface);
  border-top:3px solid var(--c-accent);
  transition:transform .35s cubic-bezier(.22,1,.36,1),background .3s;
  overflow:hidden
}
.ld-core .item:hover{transform:translateY(-6px);background:#353942}
.ld-core .item .ico{background:var(--c-accent);color:var(--c-accent-ink)}
.ld-core .item .ghost{
  position:absolute;right:18px;top:14px;
  font-size:48px;font-weight:700;line-height:1;
  color:var(--c-accent);opacity:.1;pointer-events:none;letter-spacing:-.03em
}

/* ---- advantages ---- */
.ld-adv{display:grid;grid-template-columns:repeat(4,1fr);gap:16px}
.ld-adv .item{
  padding:32px 24px 36px;
  background:rgba(255,255,255,.02);
  border:1px solid rgba(255,255,255,.08);
  transition:background .3s,border-color .3s
}
.ld-adv .item:hover{background:rgba(255,255,255,.04);border-color:rgba(255,240,0,.28)}
.ld-adv .item .ico{
  border:1px solid var(--c-accent-mid);color:var(--c-accent);background:transparent
}

/* ---- steps ---- */
.ld-steps{
  display:grid;grid-template-columns:repeat(3,1fr);gap:28px 32px;
  position:relative
}
.ld-steps.cols-4{grid-template-columns:repeat(4,1fr)}
.ld-steps.cols-6{grid-template-columns:repeat(3,1fr)}
.ld-steps .item{position:relative;padding:0}
.ld-steps .item .num{
  display:inline-flex;align-items:center;justify-content:center;
  min-width:44px;height:44px;margin:0 0 22px;padding:0 10px;
  font-size:16px;font-weight:700;letter-spacing:.04em;
  color:var(--c-accent-ink);line-height:1;
  background:var(--c-accent)
}
.ld-steps .item h3{font-size:18px;font-weight:600;margin:0 0 12px}
.ld-steps .item p{font-size:14px;line-height:1.85;color:var(--c-text-muted);margin:0;max-width:18em}

/* ---- related ---- */
.ld-related{display:grid;grid-template-columns:repeat(4,1fr);gap:16px}
.ld-related .item{
  display:block;padding:30px 24px 34px;
  background:var(--c-surface);color:inherit;
  border:1px solid transparent;
  transition:border-color .3s,transform .35s cubic-bezier(.22,1,.36,1),background .3s
}
.ld-related .item:hover{
  border-color:var(--c-accent);transform:translateY(-4px);
  background:#353942;color:inherit
}
.ld-related .item .top{
  display:flex;align-items:center;justify-content:space-between;
  margin-bottom:22px
}
.ld-related .item .ico{margin-bottom:0;background:var(--c-accent);color:var(--c-accent-ink)}
.ld-related .item .more{font-size:12px;color:var(--c-accent);font-weight:600;letter-spacing:.04em}
.ld-related .item p{min-height:2.8em;margin:0}

/* ---- pricing ---- */
.ld-price{display:grid;grid-template-columns:repeat(3,1fr);gap:20px;align-items:stretch}
.ld-price .plan{
  position:relative;background:var(--c-surface);padding:40px 28px 34px;
  display:flex;flex-direction:column;
  border:1px solid rgba(255,255,255,.08);
  transition:border-color .3s,transform .35s cubic-bezier(.22,1,.36,1)
}
.ld-price .plan.hot{border-color:var(--c-accent)}
.ld-price .plan:hover{transform:translateY(-6px)}
.ld-price .plan .badge{
  position:absolute;top:0;right:0;
  background:var(--c-accent);color:var(--c-accent-ink);
  font-size:12px;font-weight:700;padding:6px 14px
}
.ld-price .plan .name{font-size:20px;font-weight:600;margin-bottom:8px}
.ld-price .plan .suit{font-size:13px;color:var(--c-text-muted);margin-bottom:20px;line-height:1.6}
.ld-price .plan .price{font-size:36px;font-weight:700;color:var(--c-accent);margin-bottom:8px;letter-spacing:-.02em}
.ld-price .plan .price small{font-size:14px;font-weight:400;color:var(--c-text-muted)}
.ld-price .plan .note{font-size:13px;color:var(--c-text-muted);margin-bottom:22px}
.ld-price .plan ul{list-style:none;padding:0;margin:0 0 28px;flex:1}
.ld-price .plan ul li{
  position:relative;padding:11px 0 11px 22px;font-size:14px;
  color:rgba(255,255,255,.85);border-bottom:1px solid rgba(255,255,255,.06)
}
.ld-price .plan ul li:before{
  content:'';position:absolute;left:0;top:50%;width:8px;height:2px;
  background:var(--c-accent);transform:translateY(-50%)
}
.ld-price .plan .btn{
  display:block;height:48px;line-height:48px;text-align:center;
  background:#1961fe;color:#fff;border-radius:2px;font-size:15px;transition:all .3s
}
.ld-price .plan.hot .btn{background:var(--c-accent);color:var(--c-accent-ink);font-weight:700}
.ld-price .plan .btn:hover{filter:brightness(1.08)}
.ld-price-foot{text-align:center;font-size:13px;color:var(--c-text-muted);margin-top:32px;line-height:1.7}

/* ---- FAQ + CTA (side by side) ---- */
.ld-faq-cta{display:grid;grid-template-columns:1fr;gap:40px;align-items:stretch}
.ld-sec-faq-cta.has-faq .ld-faq-cta{grid-template-columns:minmax(0,1.15fr) minmax(280px,.85fr);gap:48px 56px;align-items:start}
.ld-faq-cta-faq .ld-hd{margin-bottom:28px}
.ld-faq-cta-act{min-width:0}
.ld-sec-faq-cta.has-faq .ld-cta{
  flex-direction:column;align-items:flex-start;justify-content:flex-start;
  gap:28px;height:100%;min-height:280px;padding:40px 36px
}
.ld-sec-faq-cta.has-faq .ld-cta h2{font-size:clamp(22px,2.4vw,28px)}
.ld-sec-faq-cta.has-faq .ld-cta p{max-width:none}

/* ---- CTA ---- */
.ld-cta{
  display:flex;align-items:flex-end;justify-content:space-between;gap:48px;
  padding:56px 48px;
  background:
    linear-gradient(110deg,var(--c-accent-soft),transparent 42%),
    var(--c-surface);
  border-top:3px solid var(--c-accent);
  position:relative;overflow:hidden
}
.ld-cta h2{font-size:clamp(24px,3vw,34px);font-weight:700;margin:0 0 14px;letter-spacing:-.015em}
.ld-cta p{font-size:15px;color:var(--c-text-muted);max-width:480px;line-height:1.85;margin:0}
.ld-cta .btn{
  display:inline-flex;align-items:center;justify-content:center;
  min-width:168px;height:52px;padding:0 28px;
  background:var(--c-accent);color:var(--c-accent-ink);font-weight:700;
  border-radius:2px;font-size:16px;transition:transform .3s,filter .25s;white-space:nowrap
}
.ld-cta .btn:hover{filter:brightness(1.05);transform:translateY(-3px)}
.ld-cta .phone{margin-top:14px;font-size:14px;color:var(--c-text-muted)}

/* ---- FAQ ---- */
.ld-faq{max-width:820px}
.ld-faq-cta .ld-faq{max-width:none}
.ld-faq .item{border-bottom:1px solid rgba(255,255,255,.1)}
.ld-faq .item .q{
  display:flex;align-items:center;justify-content:space-between;gap:20px;
  padding:24px 0;font-size:17px;font-weight:600;cursor:pointer;user-select:none;
  transition:color .25s
}
.ld-faq .item .q:hover{color:var(--c-accent)}
.ld-faq .item .q:after{content:'+';font-size:24px;font-weight:400;color:var(--c-accent);flex-shrink:0;line-height:1}
.ld-faq .item.open .q:after{content:'−'}
.ld-faq .item .a{display:none;padding:0 8% 26px 0;font-size:15px;line-height:1.9;color:var(--c-text-muted)}
.ld-faq .item.open .a{display:block}

/* ---- white theme ---- */
.theme-white .ld-subnav{background:rgba(255,255,255,.96);border-bottom-color:#e8e8e8}
.theme-white .ld-subnav-hub{color:#333;border-color:#ddd}
.theme-white .ld-hero-bg{
  background:
    radial-gradient(ellipse 80% 60% at 18% 0%,rgba(255,200,0,.14),transparent 58%),
    linear-gradient(160deg,#fafafa 0%,#f0f0f0 100%)
}
.theme-white .ld-hero-bg .glow{background:linear-gradient(180deg,transparent,rgba(255,255,255,.6))}
.theme-white .ld-hero h1{color:#222}
.theme-white .ld-hero .lead{color:#555}
.theme-white .ld-brand-name{color:#222}
.theme-white .ld-brand-sep{background:#ccc}
.theme-white .ld-hero .actions .btn-ghost{border-color:#ccc;color:#333}
.theme-white .ld-crumb,
.theme-white .ld-crumb a{color:#888}
.theme-white .ld-viz--ai-agent .chip,
.theme-white .ld-viz--web-building .browser,
.theme-white .ld-viz--mini-program .panel,
.theme-white .ld-viz--geo-promotion .answer{
  background:rgba(255,255,255,.92);border-color:#e5e5e5;box-shadow:0 12px 32px rgba(0,0,0,.06)
}
.theme-white .ld-viz--ai-agent .chip span,
.theme-white .ld-viz--mini-program .panel span,
.theme-white .ld-viz--geo-promotion .answer span{background:rgba(0,0,0,.1)}
.theme-white .ld-viz--web-building .blk{background:rgba(0,0,0,.04);border-color:rgba(0,0,0,.06)}
.theme-white .ld-viz--web-building .code span{background:rgba(0,0,0,.08)}
.theme-white .ld-viz--foreign-website .sphere{
  background:
    radial-gradient(circle at 32% 28%,rgba(255,255,255,.7),transparent 42%),
    radial-gradient(circle at 50% 50%,#eee 0%,#ddd 70%)
}
.theme-white .ld-viz--mini-program .phone{background:linear-gradient(160deg,#f2f2f2,#ddd)}
.theme-white .ld-viz--mini-program .screen{background:#fff}
.theme-white .ld-viz--mini-program .card{background:rgba(0,0,0,.06)}
.theme-white .ld-viz--ai-agent .ring,
.theme-white .ld-viz--geo-promotion .disc{border-color:rgba(0,0,0,.1)}
.theme-white .ld-viz--ai-agent .net{color:rgba(0,0,0,.22)}
.theme-white .ld-hd p,
.theme-white .ld-feat .item p,
.theme-white .ld-steps .item p,
.theme-white .ld-adv .item p,
.theme-white .ld-core .item p,
.theme-white .ld-faq .item .a,
.theme-white .ld-cta p,
.theme-white .ld-price .plan .suit,
.theme-white .ld-price .plan .note,
.theme-white .ld-related .item p{color:#666}
.theme-white .ld-feat .item,
.theme-white .ld-core .item,
.theme-white .ld-related .item,
.theme-white .ld-price .plan,
.theme-white .ld-cta,
.theme-white .ld-adv .item{background:#fff;box-shadow:0 8px 28px rgba(0,0,0,.04)}
.theme-white .ld-related .item h3{color:#222}
.theme-white .ld-section.alt{background:#f5f6f8}
.theme-white .ld-faq .item,
.theme-white .ld-stats{border-color:#e5e5e5}
.theme-white .ld-price .plan ul li{color:#444;border-bottom-color:#f0f0f0}

/* ---- responsive ---- */
@media (max-width:1199px){
  .ld-subnav{top:60px;margin-top:60px}
  .ld-hero{min-height:0;padding:48px 0 72px}
  .ld-hero-stage{min-height:0;gap:28px 32px}
  .ld-hero-viz{min-height:360px;height:400px}
  .ld-section.ld-sec-core,
  .ld-section.ld-sec-feat,
  .ld-section.ld-sec-steps,
  .ld-section.ld-sec-price{padding:88px 0}
}
@media (max-width:1100px){
  .ld-hero-stage{grid-template-columns:1fr;gap:24px}
  .ld-hero-main{max-width:100%}
  .ld-hero-viz{
    order:-1;width:min(420px,88%);margin:0 auto 8px;
    height:320px;min-height:300px
  }
  .ld-viz-scene{max-width:340px}
  .ld-feat,.ld-adv,.ld-related{grid-template-columns:repeat(2,1fr)}
  .ld-price{grid-template-columns:1fr}
  .ld-steps,.ld-steps.cols-4,.ld-steps.cols-6,.ld-core{grid-template-columns:repeat(2,1fr)}
  .ld-cta{flex-direction:column;align-items:flex-start;padding:44px 32px}
  .ld-sec-faq-cta.has-faq .ld-faq-cta{grid-template-columns:1fr;gap:36px}
  .ld-sec-faq-cta.has-faq .ld-cta{min-height:0;padding:36px 28px}
}
@media (max-width:768px){
  .ld-subnav-inner{gap:8px}
  .ld-subnav-hub,.ld-subnav-links a{padding:6px 10px;font-size:13px}
  .ld-brand{margin-bottom:16px}
  .ld-brand-name{font-size:14px}
  .ld-hero h1{font-size:28px;margin-bottom:16px}
  .ld-hero .lead{font-size:15px;line-height:1.8;margin-bottom:26px}
  .ld-crumb{margin-bottom:20px}
  .ld-hero-viz{height:260px;min-height:240px;width:min(300px,92%)}
  .ld-viz--ai-agent .chip,
  .ld-viz--mini-program .panel,
  .ld-viz--geo-promotion .answer,
  .ld-viz--web-building .float-tag{display:none}
  .ld-viz--foreign-website .route{display:none}
  .ld-hd{margin-bottom:36px}
  .ld-hd h2{font-size:24px}
  .ld-section,
  .ld-section.ld-sec-core,
  .ld-section.ld-sec-feat,
  .ld-section.ld-sec-steps,
  .ld-section.ld-sec-adv,
  .ld-section.ld-sec-price,
  .ld-section.ld-sec-related,
  .ld-section.ld-sec-faq,
  .ld-section.ld-sec-faq-cta{padding:64px 0}
  .ld-section.ld-sec-cta{padding:40px 0}
  .ld-feat,.ld-adv,.ld-steps,.ld-steps.cols-4,.ld-steps.cols-6,.ld-core,.ld-related{grid-template-columns:1fr}
  .ld-feat .item{padding:28px 22px}
  .ld-adv .item{padding:24px 20px}
  .ld-steps .item{padding:0 0 8px}
  .ld-stats{gap:28px;margin-top:36px}
  .ld-stats .num{font-size:32px}
  .ld-cta{padding:32px 22px}
  .header .hdr .btns .btn.btn3{min-width:auto;padding:0 8px;font-size:13px}
}
@media (max-width:480px){
  .header .hdr .btns .btn{font-size:12px;padding:0 6px!important;min-width:auto!important}
  .ld-hero .actions a{width:100%}
  .ld-brand-sep{display:none}
}