:root{
  --bg:#f8f9fc;--bg2:#eef0f5;--wh:#fff;--gl:rgba(255,255,255,.6);
  --bd:rgba(0,0,0,.06);--bd2:rgba(0,90,200,.12);
  --blue:#0062d6;--bl2:#4d9bff;--cyan:#0a8a9f;--grn:#16825d;
  --amb:#b45309;--rose:#c42b3a;--pur:#6e40c4;
  --t1:#0f0f14;--t2:#333340;--t3:#5c5c6a;--t4:#8e8e9c;
  --sh:0 1px 3px rgba(0,0,0,.03);--sh2:0 4px 18px rgba(0,0,0,.045);
  --blur:blur(16px);--r:14px;--rs:10px;--rx:5px;
  --ease:cubic-bezier(.22,.68,.35,1);--f:-apple-system,BlinkMacSystemFont,"PingFang SC","Microsoft YaHei",Arial,sans-serif;
  --mw:1140px;
  --sat:env(safe-area-inset-top,0px);--sab:env(safe-area-inset-bottom,0px);
  --sal:env(safe-area-inset-left,0px);--sar:env(safe-area-inset-right,0px)
}
*,*::before,*::after{box-sizing:border-box;margin:0;padding:0}
html{font-size:16px;-webkit-text-size-adjust:100%}
body{font-family:var(--f);background:var(--bg);color:var(--t1);line-height:1.68;-webkit-font-smoothing:antialiased;overflow-x:hidden;padding-top:var(--sat)}
a{color:var(--blue);text-decoration:none}
img{max-width:100%;height:auto;display:block}
.mx{max-width:var(--mw);margin:0 auto;padding:0 20px}

/* NAV — mobile drawer, desktop inline */
.nav{position:fixed;top:0;left:0;right:0;z-index:300;padding-top:var(--sat);background:rgba(255,255,255,.78);backdrop-filter:saturate(180%) var(--blur);-webkit-backdrop-filter:saturate(180%) var(--blur)}
.nav-inner{display:flex;align-items:center;justify-content:space-between;padding:8px 16px;background:rgba(255,255,255,.72);backdrop-filter:saturate(180%) var(--blur);-webkit-backdrop-filter:saturate(180%) var(--blur);border-bottom:1px solid var(--bd)}
.nbrand{display:flex;align-items:center;gap:7px;font-weight:700;font-size:.8rem;color:var(--t1);white-space:nowrap;min-width:0}
.ndot{width:6px;height:6px;border-radius:50%;background:var(--blue)}
.nbtn{background:rgba(255,255,255,.72);border:1px solid rgba(0,0,0,.05);border-radius:10px;cursor:pointer;color:var(--t1);width:34px;height:34px;display:flex;align-items:center;justify-content:center;font-size:1.12rem;font-weight:700;line-height:1;box-shadow:var(--sh);margin-left:auto;flex:0 0 auto}
.hamb{width:16px;height:12px;display:flex;flex-direction:column;justify-content:space-between}
.hamb span{display:block;width:16px;height:2px;border-radius:2px;background:var(--t1)}
.nlinks{display:none;position:fixed;top:0;right:0;width:min(82vw,300px);height:100%;background:var(--wh);z-index:320;padding:60px 16px 40px;overflow-y:auto;box-shadow:-4px 0 24px rgba(0,0,0,.06);flex-direction:column;gap:2px}
.nlinks.open{display:flex;animation:drawerIn .2s var(--ease) both}
@keyframes drawerIn{from{opacity:.96;transform:translateX(14px)}to{opacity:1;transform:none}}
.nlinks a{display:block;padding:11px 14px;border-radius:var(--rs);font-size:.84rem;font-weight:500;color:var(--t3);transition:all .15s}
.nlinks a:hover,.nlinks a.on{background:rgba(0,98,214,.05);color:var(--blue)}
.nlinks a.on{font-weight:600}
.nx{position:absolute;top:16px;right:16px;background:rgba(0,0,0,.03);border:1px solid rgba(0,0,0,.04);border-radius:10px;cursor:pointer;color:var(--t1);width:32px;height:32px;font-size:1.25rem;line-height:1;display:flex;align-items:center;justify-content:center}
.nov{position:fixed;inset:0;background:rgba(0,0,0,.25);opacity:0;pointer-events:none;transition:opacity .2s;z-index:310}
.nov.open{opacity:1;pointer-events:auto}
.mobile-tabs{display:flex;gap:6px;overflow-x:auto;-webkit-overflow-scrolling:touch;scrollbar-width:none;padding:8px 14px 9px;border-bottom:1px solid var(--bd);background:rgba(255,255,255,.78)}
.mobile-tabs::-webkit-scrollbar{display:none}
.mobile-tabs a{flex:0 0 auto;padding:6px 11px;border-radius:999px;color:var(--t3);font-size:.74rem;font-weight:650;line-height:1;border:1px solid rgba(0,0,0,.04);background:rgba(255,255,255,.56)}
.mobile-tabs a.on{color:var(--blue);background:rgba(0,98,214,.08);border-color:rgba(0,98,214,.12)}

/* THREE */
#threeBg{position:fixed;top:0;left:0;width:100%;height:100%;z-index:0;pointer-events:none;opacity:0;transition:opacity .5s}
#threeBg.on{opacity:1}
@media(max-width:767px){#threeBg.on{opacity:.72}}

/* APP */
#app{position:relative;z-index:1;min-height:100vh;padding-top:98px}
.pg{animation:pgIn .3s var(--ease) both}
@keyframes pgIn{from{opacity:0;transform:translateY(6px)}to{opacity:1;transform:none}}
.sec{padding:48px 0}

/* TYPO */
.ey{display:inline-flex;align-items:center;gap:5px;font-size:.67rem;font-weight:600;letter-spacing:1px;text-transform:uppercase;color:var(--blue);margin-bottom:8px}
.ey i{width:13px;height:13px;stroke-width:2.2}
.h2{font-size:1.35rem;font-weight:700;letter-spacing:-.015em;line-height:1.22;margin-bottom:8px}
.sub{font-size:.86rem;color:var(--t3);line-height:1.7;margin-bottom:24px;max-width:540px}
.btn{display:inline-flex;align-items:center;gap:6px;padding:10px 18px;border-radius:var(--rs);border:none;font-family:var(--f);font-size:.8rem;font-weight:600;cursor:pointer;transition:all .2s}
.btn i{width:14px;height:14px}
.btn-p{background:var(--blue);color:#fff;box-shadow:0 2px 8px rgba(0,98,214,.14)}
.btn-p:hover{background:#0051b0;transform:translateY(-1px)}
.btn-s{background:var(--gl);color:var(--t1);border:1px solid var(--bd);backdrop-filter:var(--blur)}

/* ═══ HERO ═══ */
.hero{position:relative;overflow:hidden;padding:28px 0 0;min-height:calc(100svh - 98px)}
.hero::before{content:'';position:absolute;right:-22vw;top:18px;width:72vw;max-width:360px;aspect-ratio:1;border-radius:50%;border:1px solid rgba(0,98,214,.09);box-shadow:inset 0 0 28px rgba(77,155,255,.05),0 0 42px rgba(77,155,255,.05);z-index:1;animation:heroOrbit 10s linear infinite;pointer-events:none}
.hero::after{content:'';position:absolute;right:12vw;top:92px;width:8px;height:8px;border-radius:50%;background:rgba(0,98,214,.36);box-shadow:0 0 0 10px rgba(0,98,214,.05),0 0 36px rgba(77,155,255,.18);z-index:1;animation:heroPulse 2.8s ease-in-out infinite;pointer-events:none}
@keyframes heroOrbit{to{transform:rotate(360deg)}}
@keyframes heroPulse{0%,100%{transform:scale(.8);opacity:.48}50%{transform:scale(1.08);opacity:.85}}
.hero-inner{max-width:var(--mw);margin:0 auto;padding:0 20px;position:relative;z-index:2}
.hero-pill{display:inline-flex;align-items:center;gap:5px;padding:4px 12px;border-radius:100px;font-size:.67rem;font-weight:600;color:var(--blue);background:rgba(0,98,214,.04);border:1px solid rgba(0,98,214,.07);margin-bottom:14px}
.hero h1{font-size:1.7rem;font-weight:800;letter-spacing:-.02em;line-height:1.12;margin-bottom:12px}
.hero h1 em{font-style:normal;color:var(--blue)}
.hero .ld{font-size:.86rem;color:var(--t3);line-height:1.72;margin-bottom:18px;max-width:480px}
.hero-acts{display:flex;gap:8px;flex-wrap:wrap;margin-bottom:28px}
/* Hero image — mobile: subtle bg */
.hero-bg{position:absolute;inset:0;z-index:1;overflow:hidden}
.hero-bg img{width:100%;height:100%;object-fit:cover;object-position:center;opacity:.16}
.hero-bg::after{content:'';position:absolute;inset:0;background:radial-gradient(circle at 76% 14%,rgba(77,155,255,.18),transparent 32%),linear-gradient(180deg,rgba(248,249,252,.78),rgba(248,249,252,.92) 55%,var(--bg))}
/* Value bar */
.hero-vals{display:grid;grid-template-columns:1fr;gap:10px;padding:20px 0 28px;margin-top:20px;border-top:1px solid rgba(0,0,0,.04);position:relative;z-index:2}
.hv{display:flex;align-items:flex-start;gap:10px}
.hv-ic{width:30px;height:30px;border-radius:7px;background:rgba(0,98,214,.05);display:flex;align-items:center;justify-content:center;flex-shrink:0}
.hv-ic i{width:14px;height:14px;color:var(--blue)}
.hv strong{font-size:.8rem;display:block;line-height:1.3}
.hv span{font-size:.74rem;color:var(--t3);line-height:1.4}

/* ═══ CARDS ═══ */
.gl{background:var(--gl);backdrop-filter:var(--blur);-webkit-backdrop-filter:var(--blur);border:1px solid var(--bd);border-radius:var(--r);box-shadow:var(--sh);transition:transform .22s,box-shadow .22s,border-color .22s}
.gl:hover{transform:translateY(-2px);box-shadow:var(--sh2);border-color:var(--bd2)}
.gl-s{background:var(--wh);border:1px solid var(--bd);border-radius:var(--r);box-shadow:var(--sh)}
.ib{width:32px;height:32px;border-radius:7px;display:flex;align-items:center;justify-content:center;flex-shrink:0}
.ib i{width:15px;height:15px;stroke-width:2}

/* ═══ SCENE PAGE ═══ */
.scene-intro{display:flex;flex-direction:column;gap:20px;margin-bottom:24px}
.scene-img{width:100%;aspect-ratio:16/9;border-radius:var(--r);overflow:hidden;border:1px solid var(--bd);box-shadow:var(--sh);max-height:200px}
.scene-img img{width:100%;height:100%;object-fit:cover;object-position:center 40%}
.sc{padding:18px 16px}
.sc h4{font-size:.84rem;font-weight:700;margin-bottom:3px}
.sc p{font-size:.78rem;color:var(--t3);line-height:1.5}
.scene-cards{display:grid;grid-template-columns:1fr;gap:10px}

/* Contrast */
.ctr{display:grid;grid-template-columns:1fr;gap:0;border-radius:var(--rx);overflow:hidden;border:1px solid var(--bd);margin-top:8px}
.ctr-l,.ctr-r{padding:10px 12px}
.ctr-l{background:rgba(0,0,0,.012)} .ctr-r{background:rgba(0,98,214,.015)}
.ctr-h{font-size:.62rem;font-weight:600;text-transform:uppercase;letter-spacing:.7px;margin-bottom:3px}
.ctr-l .ctr-h{color:var(--t4)} .ctr-r .ctr-h{color:var(--blue)}
.ctr p{font-size:.76rem;color:var(--t2);line-height:1.4}

/* ═══ CAPABILITY ═══ */
.cap-layout{display:flex;flex-direction:column;gap:24px}
.cap-mockup{width:100%;aspect-ratio:3/2;border-radius:var(--r);overflow:hidden;border:1px solid var(--bd);box-shadow:var(--sh2);max-height:240px}
.cap-mockup img{width:100%;height:100%;object-fit:cover;object-position:top center}
.flow{display:flex;flex-wrap:wrap;gap:4px;align-items:center;margin:14px 0}
.flow span{padding:3px 8px;border-radius:var(--rx);font-size:.68rem;font-weight:500;background:rgba(0,98,214,.04);color:var(--blue);border:1px solid rgba(0,98,214,.06)}
.flow .arr{background:none;border:none;color:var(--t4);font-size:.6rem;padding:0 1px}
.mod-grid{display:grid;grid-template-columns:1fr;gap:10px}

/* ═══ TABS / CASES ═══ */
.tabs{display:flex;gap:2px;padding:3px;background:rgba(0,0,0,.02);border-radius:var(--rs);margin-bottom:18px;overflow-x:auto;-webkit-overflow-scrolling:touch;scrollbar-width:none}
.tabs::-webkit-scrollbar{display:none}
.tab{padding:6px 11px;border-radius:7px;border:none;background:none;font-family:var(--f);font-size:.72rem;font-weight:500;color:var(--t3);cursor:pointer;transition:all .15s;white-space:nowrap;display:flex;align-items:center;gap:4px;flex-shrink:0}
.tab i{width:11px;height:11px}
.tab.on{background:#fff;color:var(--blue);box-shadow:var(--sh);font-weight:600}
.cas{animation:pgIn .2s var(--ease)}
.cas-input{padding:12px;border-radius:var(--rs);background:var(--bg2);border:1px solid var(--bd);font-size:.76rem;color:var(--t2);line-height:1.65;white-space:pre-line;margin-bottom:10px}
.cas-blk{padding:14px;border-radius:var(--rs);border:1px solid var(--bd);background:var(--wh);margin-bottom:8px}
.cas-blk h5{font-size:.74rem;font-weight:600;color:var(--t1);margin-bottom:4px;display:flex;align-items:center;gap:5px}
.cas-blk h5 i{width:12px;height:12px;color:var(--blue)}
.cas-blk p,.cas-blk li{font-size:.76rem;color:var(--t2);line-height:1.5}
.cas-blk ul{list-style:none}
.cas-blk li{padding:2px 0 2px 12px;position:relative}
.cas-blk li::before{content:'';position:absolute;left:0;top:8px;width:4px;height:4px;border-radius:50%;background:var(--cyan)}
/* Cases subtle bg */
.cases-sec{position:relative}
.cases-sec::after{content:'';position:absolute;top:10%;right:0;width:30%;height:60%;background:url(assets/generated/case-workflow-suite.png) no-repeat right center/contain;opacity:.03;pointer-events:none;z-index:0}
.cases-sec>.mx{position:relative;z-index:1}

/* ═══ BLUEPRINT ═══ */
.bp-layout{display:flex;flex-direction:column;gap:20px}
.bp-img{width:100%;aspect-ratio:16/10;border-radius:var(--r);overflow:hidden;border:1px solid var(--bd);box-shadow:var(--sh2);max-height:260px}
.bp-img img{width:100%;height:100%;object-fit:cover}
.bp{padding:18px 16px;margin-bottom:10px;position:relative;overflow:hidden}
.bp::before{content:'';position:absolute;top:0;left:0;bottom:0;width:3px;border-radius:2px}
.bp.l1::before{background:var(--blue)} .bp.l2::before{background:var(--pur)} .bp.l3::before{background:var(--grn)}
.bp .lv{font-size:.62rem;font-weight:700;text-transform:uppercase;letter-spacing:.8px;padding:2px 7px;border-radius:4px;color:#fff;display:inline-block;margin-bottom:2px}
.bp h4{font-size:.88rem;font-weight:700;margin-bottom:3px}
.bp .bd{font-size:.76rem;color:var(--t3);margin-bottom:8px;font-style:italic}
.bp-tags{display:flex;flex-wrap:wrap;gap:4px}
.bp-tag{padding:3px 7px;border-radius:var(--rx);font-size:.68rem;font-weight:500;background:rgba(0,0,0,.02);color:var(--t2);border:1px solid var(--bd)}

/* ═══ ARCH ═══ */
.ar{display:flex;flex-direction:column;border-radius:var(--rs);overflow:hidden;background:var(--wh);border:1px solid var(--bd);box-shadow:var(--sh);margin-bottom:8px}
.ar-l{padding:10px 14px;color:#fff;font-weight:700;font-size:.76rem}
.ar-l small{font-weight:400;font-size:.62rem;opacity:.8;display:block}
.ar-r{display:flex;flex-wrap:wrap;gap:4px;padding:10px 14px}
.ar-t{display:inline-flex;align-items:center;gap:3px;padding:3px 7px;border-radius:var(--rx);font-size:.68rem;font-weight:500;background:rgba(0,0,0,.02);color:var(--t2);border:1px solid var(--bd)}
.ar-t i{width:10px;height:10px;stroke-width:2}

/* ═══ WHY PAGE ═══ */
.why-blk h4 i{width:16px;height:16px;color:var(--blue)}
.why-list{list-style:none;margin:0;padding:0}
.why-list li{padding:5px 0 5px 16px;position:relative;font-size:.82rem;color:var(--t2);line-height:1.6}
.why-list li::before{content:'';position:absolute;left:0;top:12px;width:5px;height:5px;border-radius:50%;background:var(--blue);opacity:.4}

/* FOOTER */
.ft{padding:24px 0 calc(24px + var(--sab));text-align:center;border-top:1px solid var(--bd);color:var(--t4);font-size:.68rem;position:relative;z-index:1;background:var(--bg)}
.ft p+p{margin-top:2px}

/* ════════ TABLET ≥768 ════════ */
@media(min-width:768px){
  .mx{padding:0 32px}
  .mobile-tabs{display:none}
  #app{padding-top:52px}
  .h2{font-size:1.6rem}
  .sec{padding:60px 0}
  .hero{padding:48px 0 0;min-height:auto}
  .hero::before,.hero::after{display:none}
  .hero h1{font-size:2.1rem}
  .hero-vals{grid-template-columns:repeat(3,1fr);gap:16px}
  .hero-bg img{opacity:.14}
  .scene-intro{flex-direction:row;align-items:flex-start}
  .scene-intro>div:first-child{flex:1}
  .scene-img{width:42%;flex-shrink:0;max-height:280px}
  .scene-cards{grid-template-columns:repeat(2,1fr)}
  .ctr{grid-template-columns:1fr 1fr}
  .cap-layout{flex-direction:row;align-items:flex-start}
  .cap-mockup{width:38%;flex-shrink:0;max-height:360px;position:sticky;top:72px;aspect-ratio:auto}
  .cap-body{flex:1}
  .mod-grid{grid-template-columns:repeat(2,1fr)}
  .bp-layout{flex-direction:row-reverse;align-items:flex-start}
  .bp-img{width:42%;flex-shrink:0;max-height:380px;position:sticky;top:72px}
  .bp-tiers{flex:1}
  .ar{flex-direction:row}.ar-l{min-width:110px}
}

/* ════════ DESKTOP ≥1024 ════════ */
@media(min-width:1024px){
  .nav{background:transparent;backdrop-filter:none;-webkit-backdrop-filter:none}
  .nav-inner{max-width:var(--mw);margin:6px auto 0;border-radius:14px;border:1px solid var(--bd);border-bottom:1px solid var(--bd);box-shadow:var(--sh)}
  .nbtn{display:none}
  .nlinks{display:flex;position:static;width:auto;height:auto;background:none;box-shadow:none;padding:0;flex-direction:row;gap:1px;right:auto}
  .nlinks a{padding:6px 10px;font-size:.72rem}
  .nx{display:none}
  .nov{display:none}
  .h2{font-size:1.8rem}
  .hero{padding:60px 0 0}
  .hero h1{font-size:2.5rem}
  .hero .ld{font-size:.9rem}
  .hero-bg{position:absolute;top:0;right:0;width:48%;height:100%;left:auto;bottom:auto}
  .hero-bg img{opacity:.35}
  .hero-bg::after{background:linear-gradient(90deg,var(--bg) 0%,rgba(248,249,252,.6) 35%,rgba(248,249,252,.08) 100%)}
  .hero-inner{max-width:var(--mw);padding:0 40px}
  .hero .ld,.hero h1{max-width:520px}
  .mod-grid{grid-template-columns:repeat(3,1fr)}
  .scene-cards{grid-template-columns:repeat(2,1fr);gap:12px}
  .mx{padding:0 40px}
}

/* ════════ SMALL ≤380 ════════ */
@media(max-width:380px){
  .hero h1{font-size:1.45rem}
  .h2{font-size:1.2rem}
  .btn{padding:9px 14px;font-size:.76rem}
}