:root{--bg:#0a0e1a;--panel:#10172a;--panel2:#141d35;--line:#1f2a44;--txt:#e5e7eb;--mut:#94a3b8;--cy:#22d3ee;--mg:#e879f9;--ok:#34d399;--bad:#fb7185;--hd:"Unbounded",system-ui,sans-serif;--bd:"Manrope",system-ui,sans-serif}
*,*::before,*::after{box-sizing:border-box}
html{scroll-behavior:smooth}
body.wx{margin:0;background:var(--bg);color:var(--txt);font:400 17px/1.7 var(--bd);
  background-image:linear-gradient(rgba(34,211,238,.035) 1px,transparent 1px),linear-gradient(90deg,rgba(34,211,238,.035) 1px,transparent 1px);background-size:44px 44px}
img{max-width:100%;height:auto;display:block}
a{color:var(--cy)}
a:hover{color:var(--mg)}
.wx-bar{position:sticky;top:0;z-index:30;background:rgba(10,14,26,.82);backdrop-filter:blur(12px);border-bottom:1px solid var(--line)}
.wx-bar-in{max-width:1240px;margin:0 auto;padding:10px 20px;display:flex;align-items:center;gap:26px}
.wx-logo img{width:190px}
.wx-nav{display:flex;gap:6px;margin-left:auto}
.wx-nav a{color:var(--mut);text-decoration:none;font:600 .82rem/1 var(--hd);text-transform:uppercase;letter-spacing:.06em;padding:10px 14px;border:1px solid transparent;clip-path:polygon(8px 0,100% 0,calc(100% - 8px) 100%,0 100%)}
.wx-nav a:hover,.wx-nav a[aria-current]{color:var(--bg);background:linear-gradient(90deg,var(--cy),var(--mg))}
.wx-age{font:700 .75rem var(--hd);color:var(--mg);border:1px solid var(--mg);padding:5px 8px;border-radius:4px}
.wx-burger{display:none;margin-left:auto;width:44px;height:44px;background:none;border:1px solid var(--cy);border-radius:8px;cursor:pointer;padding:12px 10px}
.wx-burger span{display:block;height:2px;background:var(--cy);margin:5px 0}
.wx-burger span:last-child{width:60%;margin-left:auto;background:var(--mg)}
.wx-progress{height:3px;background:transparent}
.wx-progress i{display:block;height:100%;width:0;background:linear-gradient(90deg,var(--cy),var(--mg));box-shadow:0 0 12px var(--cy)}
/* overlay menu */
.wx-ov{position:fixed;inset:0;z-index:60;background:radial-gradient(circle at 20% 10%,rgba(232,121,249,.25),transparent 50%),radial-gradient(circle at 90% 90%,rgba(34,211,238,.25),transparent 50%),rgba(6,9,18,.97);display:flex;flex-direction:column;justify-content:center;padding:40px 28px;opacity:0;visibility:hidden;transition:opacity .3s,visibility .3s}
.wx-ov.open{opacity:1;visibility:visible}
.wx-ov ul{list-style:none;margin:0;padding:0}
.wx-ov li{transform:translateY(20px);opacity:0;transition:.4s}
.wx-ov.open li{transform:none;opacity:1}
.wx-ov.open li:nth-child(2){transition-delay:.06s}.wx-ov.open li:nth-child(3){transition-delay:.12s}.wx-ov.open li:nth-child(4){transition-delay:.18s}
.wx-ov a{display:flex;align-items:baseline;gap:14px;color:var(--txt);text-decoration:none;font:800 clamp(1.7rem,8vw,3rem)/1.3 var(--hd);padding:8px 0;border-bottom:1px solid var(--line)}
.wx-ov a small{font:600 .8rem var(--bd);color:var(--cy)}
.wx-ov a:hover{color:var(--mg)}
.wx-ov p{color:var(--mut);margin-top:26px;font-size:.9rem}
.wx-ov-x{position:absolute;top:14px;right:18px;width:48px;height:48px;border:1px solid var(--mg);border-radius:50%;background:none;color:var(--mg);font-size:1.8rem;cursor:pointer}
/* hero split */
.wx-main{max-width:1240px;margin:0 auto;padding:0 20px 60px}
.wx-hero{display:grid;grid-template-columns:1.05fr 1fr;gap:40px;align-items:center;padding:44px 0 40px}
.wx-crumbs{font-size:.82rem;color:var(--mut);display:flex;gap:8px;margin-bottom:18px}
.wx-crumbs a{color:var(--mut)}
.wx-crumbs i{font-style:normal;color:var(--cy)}
.wx-tag{font:600 .78rem var(--hd);letter-spacing:.12em;color:var(--cy);margin:0 0 12px}
.wx-hero h1{font:800 clamp(1.8rem,3.6vw,2.9rem)/1.12 var(--hd);margin:0 0 18px;background:linear-gradient(100deg,#fff 30%,#a5f3fc 70%,var(--mg));-webkit-background-clip:text;background-clip:text;color:transparent}
.wx-meta{color:var(--mut);font-size:.9rem;margin:0 0 22px;display:flex;flex-wrap:wrap;gap:6px 18px}
.wx-meta b{color:var(--txt)}
.wx-stats{display:grid;grid-template-columns:repeat(3,1fr);gap:10px}
.wx-stats div{background:var(--panel);border:1px solid var(--line);border-radius:10px;padding:12px 14px;position:relative;overflow:hidden}
.wx-stats div::before{content:"";position:absolute;left:0;top:0;bottom:0;width:3px;background:linear-gradient(var(--cy),var(--mg))}
.wx-stats b{display:block;font:800 1.7rem/1 var(--hd);color:#fff}
.wx-stats span{font-size:.78rem;color:var(--mut);text-transform:uppercase;letter-spacing:.06em}
.wx-hero-img{margin:0 10px 0 0;position:relative;transform:perspective(1100px) rotateY(-9deg) rotateX(3deg);filter:drop-shadow(0 30px 50px rgba(34,211,238,.18))}
.wx-hero-img img{border-radius:14px;border:1px solid rgba(34,211,238,.45);clip-path:polygon(0 0,100% 0,100% 88%,90% 100%,0 100%)}
.wx-hero-img::after{content:"";position:absolute;inset:-10px -10px auto auto;width:70px;height:70px;border-top:3px solid var(--mg);border-right:3px solid var(--mg);border-radius:0 14px 0 0}
/* content */
.wx-content{max-width:880px;margin:0 auto;counter-reset:wsec}
.wx-lead{font-size:1.2rem;line-height:1.65;color:#fff;padding:22px 26px;border:1px solid var(--line);border-radius:14px;background:linear-gradient(135deg,rgba(34,211,238,.09),rgba(232,121,249,.07));margin:0 0 26px}
.wx-sec{background:var(--panel);border:1px solid var(--line);border-radius:16px;padding:8px 30px 22px;margin:0 0 22px;position:relative}
.wx-sec::after{content:attr(data-n);position:absolute;top:18px;right:22px;font:800 2.6rem/1 var(--hd);color:rgba(148,163,184,.08)}
.wx-sec h2{font:700 clamp(1.25rem,2.4vw,1.6rem)/1.3 var(--hd);margin:22px 0 16px;padding-bottom:12px;position:relative;scroll-margin-top:90px;padding-right:60px}
.wx-sec h2{counter-increment:wsec}
.wx-sec h2::before{content:"// " counter(wsec,decimal-leading-zero);display:block;font:600 .75rem var(--bd);letter-spacing:.2em;color:var(--cy);margin-bottom:6px}
.wx-sec h2::after{content:"";position:absolute;left:0;bottom:0;width:90px;height:3px;border-radius:2px;background:linear-gradient(90deg,var(--cy),var(--mg))}
.wx-sec h3{font:700 1.08rem var(--bd);color:var(--cy);margin:22px 0 8px}
.wx-sec p{margin:0 0 1em}
.wx-sec strong{color:#fff}
.wx-sec ul,.wx-sec ol{padding-left:1.2em}
.wx-sec li{margin-bottom:.35em}
.wx-sec li::marker{color:var(--mg)}
.tbl-wrap{overflow-x:auto;margin:0 0 1.2em;border:1px solid var(--line);border-radius:10px}
.tbl-wrap table{border-collapse:collapse;width:100%;min-width:520px;font-size:.93rem}
.tbl-wrap th{background:var(--panel2);color:var(--cy);text-align:left;padding:10px 12px;font:600 .8rem var(--hd);text-transform:uppercase;letter-spacing:.04em}
.tbl-wrap td{padding:10px 12px;border-top:1px solid var(--line)}
.tbl-wrap tr:hover td{background:rgba(34,211,238,.05)}
.wx-shot{margin:22px 0 4px}
.wx-shot img{border-radius:10px;border:1px solid var(--line)}
.wx-shot figcaption{font-size:.85rem;color:var(--mut);padding-top:8px;display:flex;gap:10px;align-items:center}
.wx-shot figcaption span{font:700 .65rem var(--hd);color:var(--bg);background:var(--cy);padding:2px 6px;border-radius:3px}
.wx-grid4{display:grid;grid-template-columns:repeat(4,1fr);gap:10px;margin:18px 0 6px}
.wx-grid4 figure{margin:0;position:relative;border-radius:10px;overflow:hidden;border:1px solid var(--line)}
.wx-grid4 img{aspect-ratio:4/3;object-fit:cover;object-position:top left;width:100%;transition:transform .4s}
.wx-grid4 figure:hover img{transform:scale(1.06)}
.wx-grid4 figcaption{position:absolute;left:8px;bottom:8px;font:700 .7rem var(--hd);background:rgba(10,14,26,.85);color:var(--cy);padding:4px 8px;border-radius:4px}
/* calculator */
.wx-calc{margin:22px 0;padding:22px;border-radius:14px;background:#0d1426;border:1px solid var(--cy);box-shadow:0 0 0 4px rgba(34,211,238,.08),0 0 40px rgba(34,211,238,.12)}
.wx-calc-title{font:700 1.15rem var(--hd);margin:0 0 14px;color:#fff}
.wx-calc-fields{display:grid;grid-template-columns:1fr 2fr;gap:14px}
.wx-calc-f{display:flex;flex-direction:column;gap:6px;font-size:.8rem;color:var(--mut);text-transform:uppercase;letter-spacing:.05em}
.wx-calc input{background:var(--bg);border:1px solid var(--line);color:#fff;font:700 1.05rem var(--bd);padding:10px 12px;border-radius:8px;width:100%;min-width:0}
.wx-calc input:focus{outline:none;border-color:var(--mg);box-shadow:0 0 0 3px rgba(232,121,249,.2)}
.wx-calc-oddlist{display:grid;grid-template-columns:repeat(auto-fill,minmax(80px,1fr));gap:8px}
.wx-calc-add{margin-top:8px;align-self:flex-start;background:none;border:1px dashed var(--mg);color:var(--mg);font:600 .8rem var(--bd);padding:7px 12px;border-radius:8px;cursor:pointer}
.wx-calc-out{display:grid;grid-template-columns:repeat(3,1fr);gap:10px;margin:18px 0 10px}
.wx-calc-out div{background:var(--panel2);border-radius:10px;padding:12px}
.wx-calc-out span{display:block;font-size:.72rem;color:var(--mut);text-transform:uppercase;letter-spacing:.06em}
.wx-calc-out b{font:800 1.3rem var(--hd);color:var(--ok)}
.wx-calc-out b.is-neg{color:var(--bad)}
.wx-calc-note{font-size:.8rem;color:var(--mut);margin:0}
/* FAQ grid cards */
.wx-faq-grid{display:grid;grid-template-columns:1fr 1fr;gap:12px;align-items:start}
.wx-q{background:var(--panel2);border:1px solid var(--line);border-radius:12px;transition:border-color .2s}
.wx-q.open{border-color:var(--mg)}
.wx-q button{width:100%;text-align:left;background:none;border:0;color:#fff;font:700 .98rem/1.4 var(--bd);padding:16px 44px 16px 16px;cursor:pointer;position:relative}
.wx-q em{display:block;font:700 .7rem var(--hd);color:var(--mg);font-style:normal;margin-bottom:6px}
.wx-q b{position:absolute;right:14px;top:18px;width:18px;height:18px;border:2px solid var(--cy);border-radius:4px;transition:transform .25s}
.wx-q b::after{content:"";position:absolute;left:3px;top:3px;width:6px;height:6px;border-right:2px solid var(--cy);border-bottom:2px solid var(--cy);transform:rotate(45deg)}
.wx-q.open b{transform:rotate(180deg);border-color:var(--mg)}
.wx-a{max-height:0;overflow:hidden;transition:max-height .35s ease}
.wx-a p{margin:0;padding:0 16px 16px;color:#cbd5e1;font-size:.95rem}
.wx-note{margin-top:10px;padding:14px 18px;border-left:3px solid var(--mg);background:rgba(232,121,249,.06);border-radius:0 10px 10px 0;font-size:.9rem;color:var(--mut)}
.wx-note p{margin:0}
/* crosslinks rail */
.wx-cross{max-width:1240px;margin:44px auto 0}
.wx-cross-head{display:flex;justify-content:space-between;align-items:baseline;margin-bottom:14px}
.wx-cross-head p{font:700 1.2rem var(--hd);margin:0}
.wx-cross-head span{font-size:.85rem;color:var(--mut)}
.wx-rail{display:grid;grid-auto-flow:column;grid-auto-columns:minmax(280px,1fr);gap:16px;overflow-x:auto;scroll-snap-type:x mandatory;padding-bottom:12px}
.wx-card{scroll-snap-align:start;display:flex;flex-direction:column;background:var(--panel);border:1px solid var(--line);border-radius:14px;overflow:hidden;text-decoration:none;color:var(--txt);transition:transform .25s,border-color .25s}
.wx-card:hover{transform:translateY(-4px);border-color:var(--cy);color:var(--txt)}
.wx-card img{aspect-ratio:16/9;object-fit:cover;object-position:top;width:100%}
.wx-card-tag{margin:14px 16px 4px;font:700 .7rem var(--hd);color:var(--mg);letter-spacing:.1em}
.wx-card-t{margin:0 16px 18px;font-weight:700;line-height:1.35}
/* footer single row */
.wx-foot{border-top:1px solid var(--line);background:#070a13}
.wx-foot-in{max-width:1240px;margin:0 auto;padding:22px 20px;display:flex;align-items:center;gap:24px;flex-wrap:wrap}
.wx-foot-logo img{width:150px}
.wx-foot-nav{display:flex;gap:16px;flex-wrap:wrap}
.wx-foot-nav a{color:var(--mut);text-decoration:none;font-size:.88rem}
.wx-foot-nav a:hover{color:var(--cy)}
.wx-badges{display:flex;gap:8px;align-items:center;margin-left:auto}
.wx-badges img{height:30px;width:auto}
.wx-copy{margin:0;color:var(--mut);font-size:.85rem}
.wx-foot-note{max-width:1240px;margin:0 auto;padding:0 20px 20px;color:#64748b;font-size:.78rem}
.wx-up{position:fixed;right:18px;bottom:18px;z-index:40;width:50px;height:56px;border:0;cursor:pointer;background:linear-gradient(var(--cy),var(--mg));clip-path:polygon(50% 0,100% 25%,100% 75%,50% 100%,0 75%,0 25%);opacity:0;visibility:hidden;transform:translateY(12px);transition:.3s}
.wx-up span{color:var(--bg);font-size:1rem}
.wx-up.show{opacity:1;visibility:visible;transform:none}
@media (max-width:980px){
  .wx-hero{grid-template-columns:1fr;gap:26px}
  .wx-hero-img{transform:none}
  .wx-grid4{grid-template-columns:1fr 1fr}
}
@media (max-width:760px){
  .wx-nav,.wx-age{display:none}
  .wx-burger{display:block}
  .wx-logo img{width:160px}
  .wx-sec{padding:4px 18px 16px}
  .wx-faq-grid,.wx-calc-fields,.wx-calc-out{grid-template-columns:1fr}
  .wx-badges{margin-left:0}
  body.wx{font-size:16px}
}