:root{
  --navy:#1a2332; --navy-2:#243245; --navy-3:#2f3a52;
  --blue:#2563eb; --blue-d:#1d4ed8; --blue-l:#3b82f6;
  --teal:#0d9488; --steel:#475569;
  --bg:#f8fafc; --surface:#ffffff; --line:#e2e8f0; --line-2:#cbd5e1;
  --text:#1e293b; --muted:#64748b; --muted-2:#94a3b8;
  --amber:#d97706; --green:#059669; --red:#dc2626;
  --radius:10px; --radius-lg:16px;
  --shadow:0 1px 3px rgba(15,23,42,.06),0 1px 2px rgba(15,23,42,.04);
  --shadow-md:0 4px 14px rgba(15,23,42,.08);
  --maxw:1200px;
}
*{margin:0;padding:0;box-sizing:border-box}
html{scroll-behavior:smooth}
/* section */
section,.page-hero,[id]{scroll-margin-top:68px}
body{font-family:'Inter',-apple-system,BlinkMacSystemFont,'Segoe UI',sans-serif;background:var(--bg);color:var(--text);line-height:1.65;font-size:15px;-webkit-font-smoothing:antialiased}
a{color:inherit;text-decoration:none}
/* section */
.editable-link{color:var(--blue);text-decoration:none;cursor:pointer;transition:color .15s ease}
.editable-link:hover{color:var(--blue-d);text-decoration:underline}
img{max-width:100%;display:block}
/* section */
.hero-card .ph img,.tech-col .ph img,.scenario-img img,.case-img img{animation:imgFadeIn .6s ease-out}
@keyframes imgFadeIn{from{opacity:0;transform:scale(1.02)}to{opacity:1;transform:scale(1)}}
.container{max-width:var(--maxw);margin:0 auto;padding:0 24px}
.section{padding:72px 0}
.section-sm{padding:48px 0}
.section-title{font-size:30px;font-weight:700;letter-spacing:-.5px;text-align:center;margin-bottom:12px;color:var(--navy)}
.section-sub{text-align:center;color:var(--muted);max-width:680px;margin:0 auto 44px;font-size:16px}
.eyebrow{display:inline-block;font-size:13px;font-weight:600;letter-spacing:1px;text-transform:uppercase;color:var(--blue);margin-bottom:10px}
.center{text-align:center}

/* header */
header.site{position:sticky;top:0;z-index:100;background:rgba(26,35,50,.96);backdrop-filter:blur(10px);border-bottom:1px solid rgba(255,255,255,.08)}
.nav{display:flex;align-items:center;justify-content:space-between;height:64px}
.logo{font-size:22px;font-weight:800;letter-spacing:-.5px;color:#fff;display:flex;align-items:center;gap:8px}
.logo .mark{width:30px;height:30px;border-radius:7px;background:linear-gradient(135deg,var(--blue),var(--teal));display:flex;align-items:center;justify-content:center;font-size:14px;font-weight:800;color:#fff}
.logo span{color:var(--blue-l)}
.logo img{max-height:32px;width:auto;object-fit:contain;border-radius:4px}
nav.main{display:flex;gap:28px}
nav.main a{color:rgba(255,255,255,.78);font-size:14px;font-weight:500;transition:color .2s}
nav.main a:hover{color:#fff}
.nav-cta{display:flex;gap:10px;align-items:center}
.btn{display:inline-flex;align-items:center;justify-content:center;gap:6px;padding:10px 20px;border-radius:8px;font-size:14px;font-weight:600;cursor:pointer;border:none;transition:all .18s;white-space:nowrap}
.btn-primary{background:var(--blue);color:#fff}
.btn-primary:hover{background:var(--blue-d)}
.btn-light{background:rgba(255,255,255,.1);color:#fff;border:1px solid rgba(255,255,255,.3)}
.btn-light:hover{background:rgba(255,255,255,.18)}
.btn-outline{background:transparent;color:var(--blue);border:1px solid var(--line-2)}
.btn-outline:hover{background:var(--blue);color:#fff;border-color:var(--blue)}
.btn-ghost{background:var(--surface);color:var(--text);border:1px solid var(--line)}
.btn-ghost:hover{border-color:var(--blue);color:var(--blue)}
.btn-sm{padding:7px 14px;font-size:13px}
.btn-lg{padding:13px 28px;font-size:15px}
.menu-toggle{display:none;background:none;border:none;color:#fff;font-size:22px;cursor:pointer}

/* hero */
.hero{background:linear-gradient(135deg,#0f172a 0%,#1a2332 55%,#243245 100%);color:#fff;padding:96px 0 84px;position:relative;overflow:hidden}
.hero::after{content:"";position:absolute;inset:0;background:radial-gradient(900px 500px at 80% 10%,rgba(37,99,235,.18),transparent)}
.hero-grid{display:grid;grid-template-columns:1.15fr .85fr;gap:48px;align-items:center;position:relative;z-index:1}
.hero-badge{display:inline-flex;align-items:center;gap:8px;background:rgba(37,99,235,.15);border:1px solid rgba(59,130,246,.35);color:#bfdbfe;padding:7px 14px;border-radius:30px;font-size:13px;font-weight:600;margin-bottom:22px}
.hero h1{font-size:46px;font-weight:800;line-height:1.15;letter-spacing:-1px;margin-bottom:18px}
.hero h1 em{font-style:normal;color:var(--blue-l)}
.hero .sub{font-size:19px;color:rgba(255,255,255,.82);margin-bottom:30px;max-width:560px}
.hero-cta{display:flex;gap:14px;flex-wrap:wrap}
.hero-stats{display:flex;gap:36px;margin-top:40px;flex-wrap:wrap}
.hero-stat .n{font-size:30px;font-weight:800;color:#fff}
.hero-stat .l{font-size:13px;color:rgba(255,255,255,.65)}
.hero-visual{position:relative}
.hero-card{background:rgba(255,255,255,.06);border:1px solid rgba(255,255,255,.12);border-radius:var(--radius-lg);padding:24px;backdrop-filter:blur(6px)}
.hero-card .ph{height:360px;border-radius:12px;background:linear-gradient(135deg,#243245,#334155);display:flex;align-items:center;justify-content:center;color:rgba(255,255,255,.4);font-size:14px;margin-bottom:18px;position:relative;overflow:hidden}
/* section */
.hero-slideshow{position:relative;width:100%;height:100%;border-radius:12px;overflow:hidden}
.hero-slide{position:absolute;inset:0;opacity:0;transition:opacity 1.2s ease-in-out;pointer-events:none}
.hero-slide.active{opacity:1;pointer-events:auto}
.hero-slide img{width:100%;height:100%;object-fit:cover;border-radius:12px}
.hero-dots{position:absolute;bottom:10px;left:0;right:0;display:flex;justify-content:center;gap:7px;z-index:2}
.hero-dot{width:9px;height:9px;border-radius:50%;background:rgba(255,255,255,.4);cursor:pointer;transition:all .3s}
.hero-dot.active{background:#fff;transform:scale(1.3)}
.hero-dot:hover{background:rgba(255,255,255,.7)}
.hero-cert-row{display:grid;grid-template-columns:1fr 1fr;gap:10px}
.cert-chip{background:rgba(255,255,255,.08);border:1px solid rgba(255,255,255,.14);border-radius:8px;padding:12px 10px;font-size:13px;font-weight:600;color:rgba(255,255,255,.9);display:flex;align-items:center;justify-content:center;gap:6px;text-align:center;white-space:nowrap;overflow:hidden}
.section-banner{margin:20px auto 28px;max-width:100%;border-radius:var(--radius-lg);overflow:hidden}
.section-banner:empty{display:none}
.section-banner img{width:100%;height:auto;max-height:280px;object-fit:cover;display:block;border-radius:var(--radius-lg)}

/* trust bar */
.trust{background:var(--surface);border-bottom:1px solid var(--line)}
.trust-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:0}
.trust-col{padding:36px 28px;border-right:1px solid var(--line)}
.trust-col:last-child{border-right:none}
.trust-icon{width:64px;height:64px;border-radius:14px;background:var(--bg);display:flex;align-items:center;justify-content:center;font-size:28px;margin-bottom:16px}
.trust-col h3{font-size:17px;font-weight:700;margin-bottom:8px;color:var(--navy)}
.trust-col p{font-size:14px;color:var(--muted);margin-bottom:14px}
.trust-col a.more{font-size:13px;font-weight:600;color:var(--blue)}
.logo-wall{display:grid;grid-template-columns:repeat(4,1fr);gap:8px;margin-top:14px}
.logo-wall .ll{height:42px;border:1px solid var(--line);border-radius:8px;display:flex;align-items:center;justify-content:center;font-size:11px;color:var(--muted-2);font-weight:600;background:var(--bg)}

/* scenario cards */
.scenario-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:20px}
.scenario-card{background:var(--surface);border:1px solid var(--line);border-radius:var(--radius-lg);padding:26px;transition:all .2s;cursor:pointer;overflow:hidden}
.scenario-card:hover{border-color:var(--blue);box-shadow:var(--shadow-md);transform:translateY(-2px)}
.scenario-card .scenario-img{margin:-26px -26px 16px;border-radius:var(--radius-lg) var(--radius-lg) 0 0;overflow:hidden;background:var(--bg)}
.scenario-card .scenario-img img{display:block;transition:transform .4s ease}
.scenario-card:hover .scenario-img img{transform:scale(1.05)}
.scenario-img-placeholder{display:flex;align-items:center;justify-content:center;background:linear-gradient(135deg,#e2e8f0,#cbd5e1)}
.scenario-card .ic{width:48px;height:48px;border-radius:12px;background:linear-gradient(135deg,#eff6ff,#dbeafe);display:flex;align-items:center;justify-content:center;font-size:24px;margin-bottom:16px}
.scenario-card h3{font-size:17px;font-weight:700;margin-bottom:6px;color:var(--navy)}
.scenario-card .need{font-size:13px;color:var(--blue);font-weight:600;margin-bottom:10px}
.scenario-card .prod{font-size:14px;color:var(--muted);margin-bottom:16px;min-height:42px}
.scenario-card .go{font-size:13px;font-weight:600;color:var(--blue);display:flex;align-items:center;gap:4px}

/* tech authority */
.tech{background:var(--navy);color:#fff}
.tech .section-title{color:#fff}
.tech .section-sub{color:rgba(255,255,255,.65)}
.tech-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:24px;align-items:start}
.tech-col{background:rgba(255,255,255,.05);border:1px solid rgba(255,255,255,.1);border-radius:var(--radius-lg);padding:0;overflow:hidden;transition:all .2s}
.tech-col:hover{border-color:rgba(255,255,255,.2);transform:translateY(-3px);box-shadow:0 16px 40px rgba(0,0,0,.18)}
.tech-col .ph{height:240px;border-radius:0;background:rgba(255,255,255,.04);display:flex;align-items:center;justify-content:center;font-size:48px;margin-bottom:0;color:rgba(255,255,255,.5);overflow:hidden;position:relative}
.tech-col .ph img{width:100%;height:100%;object-fit:cover;display:block;transition:transform .5s ease}
.tech-col:hover .ph img{transform:scale(1.06)}
.tech-body{padding:26px 28px 30px}
.tech-col h3{font-size:18px;font-weight:700;margin-bottom:10px}
.tech-col p{font-size:14px;color:rgba(255,255,255,.72);margin-bottom:16px;line-height:1.7}
.tech-col a{font-size:13px;color:var(--blue-l);font-weight:600}

/* cases */
.case-grid{display:grid;grid-template-columns:repeat(2,1fr);gap:22px;align-items:start}
.case-card{background:var(--surface);border:1px solid var(--line);border-radius:var(--radius-lg);overflow:hidden;transition:all .2s;display:flex;flex-direction:column}
.case-card:hover{box-shadow:var(--shadow-md);transform:translateY(-2px)}
.case-img{aspect-ratio:16/9;min-height:200px;max-height:360px;background:linear-gradient(135deg,#334155,#475569);display:flex;align-items:flex-end;padding:14px;position:relative;overflow:hidden;border-bottom:1px solid var(--line)}
.case-img .tag{background:rgba(0,0,0,.55);color:#fff;font-size:12px;padding:4px 10px;border-radius:6px;backdrop-filter:blur(4px);position:relative;z-index:2}
.case-img-overlay{position:absolute;inset:0;background:linear-gradient(to top,rgba(0,0,0,.55) 0%,rgba(0,0,0,.15) 40%,transparent 70%);pointer-events:none;z-index:1}
.case-card:hover .case-img img{transform:scale(1.04)}
.case-img img{position:absolute;inset:0;width:100%;height:100%;object-fit:cover;object-position:center 30%;transition:transform .4s ease}
.case-body{padding:22px}
.case-body h3{font-size:18px;font-weight:700;margin-bottom:6px;color:var(--navy)}
.case-body .client{font-size:13px;color:var(--muted);margin-bottom:14px}
.case-data{display:grid;grid-template-columns:repeat(2,1fr);gap:10px;margin-bottom:14px}
.case-data .d{background:var(--bg);border-radius:8px;padding:10px 12px}
.case-data .d .k{font-size:11px;color:var(--muted-2);text-transform:uppercase;letter-spacing:.5px}
.case-data .d .v{font-size:14px;font-weight:600;color:var(--navy)}
.case-quote{font-size:13px;color:var(--steel);border-left:3px solid var(--blue);padding-left:12px;margin-bottom:14px;font-style:italic}

/* resources */
.res-grid{display:grid;grid-template-columns:repeat(4,1fr);gap:18px}
.res-card{background:var(--surface);border:1px solid var(--line);border-radius:var(--radius-lg);padding:24px;transition:all .2s;text-align:center}
.res-card:hover{border-color:var(--blue);transform:translateY(-3px);box-shadow:var(--shadow-md)}
.res-card .ic{width:56px;height:56px;border-radius:14px;margin:0 auto 16px;display:flex;align-items:center;justify-content:center;font-size:26px}
.res-card h3{font-size:16px;font-weight:700;margin-bottom:8px;color:var(--navy)}
.res-card p{font-size:13px;color:var(--muted);margin-bottom:16px;min-height:42px}

/* quote form section */
.quote-sec{background:linear-gradient(135deg,#1e293b,#1a2332);color:#fff}
.quote-sec .section-title{color:#fff}
.quote-sec .section-sub{color:rgba(255,255,255,.65)}
.quote-wrap{display:grid;grid-template-columns:.9fr 1.1fr;gap:40px;align-items:start}
.quote-info h3{font-size:22px;font-weight:700;margin-bottom:16px}
.quote-info p{color:rgba(255,255,255,.75);margin-bottom:24px;font-size:15px}
.quote-bullets{list-style:none}
.quote-bullets li{display:flex;align-items:flex-start;gap:10px;margin-bottom:14px;font-size:14px;color:rgba(255,255,255,.82)}
.quote-bullets li::before{content:"✓";color:var(--teal);font-weight:700;flex-shrink:0}
.form-card{background:#fff;color:var(--text);border-radius:var(--radius-lg);padding:30px;box-shadow:var(--shadow-md)}
.steps{display:flex;gap:0;margin-bottom:24px}
.step-dot{flex:1;display:flex;flex-direction:column;align-items:center;gap:6px;position:relative}
.step-dot .num{width:32px;height:32px;border-radius:50%;background:var(--line);color:var(--muted);display:flex;align-items:center;justify-content:center;font-weight:700;font-size:14px;z-index:1}
.step-dot.active .num{background:var(--blue);color:#fff}
.step-dot.done .num{background:var(--green);color:#fff}
.step-dot .lbl{font-size:12px;color:var(--muted);font-weight:500}
.step-dot.active .lbl{color:var(--blue);font-weight:600}
.step-dot::before{content:"";position:absolute;top:16px;left:-50%;width:100%;height:2px;background:var(--line);z-index:0}
.step-dot:first-child::before{display:none}
.step-dot.done::before{background:var(--green)}
.form-step{display:none}
.form-step.active{display:block;animation:fade .3s}
@keyframes fade{from{opacity:0;transform:translateY(6px)}to{opacity:1;transform:none}}
.field{margin-bottom:16px}
.field label{display:block;font-size:13px;font-weight:600;margin-bottom:6px;color:var(--text)}
.field label .req{color:var(--red)}
.field input,.field select,.field textarea{width:100%;padding:11px 13px;border:1px solid var(--line-2);border-radius:8px;font-size:14px;font-family:inherit;background:#fff;color:var(--text);transition:border .15s}
.field input:focus,.field select:focus,.field textarea:focus{outline:none;border-color:var(--blue);box-shadow:0 0 0 3px rgba(37,99,235,.12)}
.field textarea{resize:vertical;min-height:84px}
.field-row{display:grid;grid-template-columns:1fr 1fr;gap:14px}
.radio-group{display:flex;gap:10px;flex-wrap:wrap}
.radio-pill{padding:9px 16px;border:1px solid var(--line-2);border-radius:8px;font-size:13px;cursor:pointer;transition:all .15s}
.radio-pill.sel{background:var(--blue);color:#fff;border-color:var(--blue)}
.form-nav{display:flex;justify-content:space-between;margin-top:8px}
.form-success{text-align:center;padding:20px}
.form-success .ic{width:64px;height:64px;border-radius:50%;background:#dcfce7;display:flex;align-items:center;justify-content:center;font-size:30px;color:var(--green);margin:0 auto 18px}

/* testimonials */
.tst-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:18px}
.tst-card{background:var(--surface);border:1px solid var(--line);border-radius:var(--radius-lg);padding:24px}
.tst-stars{color:var(--amber);font-size:15px;margin-bottom:12px;letter-spacing:2px}
.tst-card .content{font-size:14px;color:var(--text);margin-bottom:16px;line-height:1.7}
.tst-who{display:flex;align-items:center;gap:12px}
.tst-avatar{width:42px;height:42px;border-radius:50%;background:linear-gradient(135deg,var(--blue),var(--teal));color:#fff;display:flex;align-items:center;justify-content:center;font-weight:700;font-size:15px}
.tst-who .nm{font-size:14px;font-weight:600;color:var(--navy)}
.tst-who .cp{font-size:12px;color:var(--muted)}

/* page hero (inner pages) */
.page-hero{background:linear-gradient(135deg,#0f172a,#1a2332);color:#fff;padding:64px 0 48px;text-align:center}
.page-hero h1{font-size:34px;font-weight:800;margin-bottom:10px}
.page-hero p{color:rgba(255,255,255,.7);font-size:16px}

/* filters */
.filters{display:flex;gap:12px;flex-wrap:wrap;margin-bottom:28px;align-items:center}
.filters .fl-label{font-size:13px;color:var(--muted);font-weight:600;margin-right:4px}
.filter-select{padding:8px 14px;border:1px solid var(--line-2);border-radius:8px;background:#fff;font-size:13px;color:var(--text);cursor:pointer}

/* product grid */
.prod-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:20px}
.prod-card{background:var(--surface);border:1px solid var(--line);border-radius:var(--radius-lg);overflow:hidden;transition:all .2s}
.prod-card:hover{box-shadow:var(--shadow-md);transform:translateY(-2px)}
.prod-img{height:170px;background:linear-gradient(135deg,#e2e8f0,#cbd5e1);display:flex;align-items:center;justify-content:center;font-size:13px;color:var(--muted-2)}
.prod-body{padding:20px}
.prod-body .cat{font-size:11px;font-weight:600;color:var(--blue);text-transform:uppercase;letter-spacing:.5px;margin-bottom:6px}
.prod-body h3{font-size:16px;font-weight:700;margin-bottom:8px;color:var(--navy)}
.prod-body .desc{font-size:13px;color:var(--muted);margin-bottom:14px;min-height:40px}
.prod-specs{display:flex;flex-wrap:wrap;gap:6px;margin-bottom:14px}
.prod-specs .sp{font-size:11px;background:var(--bg);padding:3px 8px;border-radius:5px;color:var(--steel)}

/* product detail */
.prod-detail{display:grid;grid-template-columns:1fr 1fr;gap:40px}
.prod-detail-img{height:380px;border-radius:var(--radius-lg);background:linear-gradient(135deg,#e2e8f0,#cbd5e1);display:flex;align-items:center;justify-content:center;color:var(--muted-2)}
.spec-table{width:100%;border-collapse:collapse;margin-top:16px}
.spec-table th,.spec-table td{padding:11px 14px;border-bottom:1px solid var(--line);font-size:14px;text-align:left}
.spec-table th{background:var(--bg);color:var(--muted);font-weight:600;width:40%}
.spec-table td{color:var(--text);font-weight:500}

/* tape compare table */
.compare-table{width:100%;border-collapse:collapse;background:#fff;border-radius:var(--radius-lg);overflow:hidden;box-shadow:var(--shadow)}
.compare-table th,.compare-table td{padding:14px 16px;text-align:left;border-bottom:1px solid var(--line);font-size:14px}
.compare-table th{background:var(--navy);color:#fff;font-weight:600}
.compare-table td:first-child{font-weight:600;color:var(--muted);background:var(--bg)}

/* footer */
footer.site{background:#0f172a;color:rgba(255,255,255,.7);padding:56px 0 24px}
.foot-grid{display:grid;grid-template-columns:1.4fr 1fr 1fr 1fr;gap:36px;margin-bottom:36px}
.foot-grid h4{color:#fff;font-size:15px;font-weight:600;margin-bottom:16px}
.foot-grid a,.foot-grid p{display:block;font-size:14px;color:rgba(255,255,255,.65);margin-bottom:10px}
.foot-grid a:hover{color:#fff}
.foot-bottom{border-top:1px solid rgba(255,255,255,.1);padding-top:20px;display:flex;justify-content:space-between;flex-wrap:wrap;gap:12px;font-size:13px;color:rgba(255,255,255,.5)}

/* toast */
.toast{position:fixed;bottom:24px;left:50%;transform:translateX(-50%) translateY(80px);background:var(--navy);color:#fff;padding:13px 22px;border-radius:10px;font-size:14px;box-shadow:var(--shadow-md);opacity:0;transition:all .3s;z-index:9999}
.toast.show{transform:translateX(-50%) translateY(0);opacity:1}
.toast.ok{background:var(--green)}
.toast.err{background:var(--red)}

/* back to top */
.back-to-top{position:fixed;bottom:28px;left:28px;width:42px;height:42px;border-radius:50%;background:var(--navy);color:#fff;border:none;cursor:pointer;z-index:9998;display:flex;align-items:center;justify-content:center;box-shadow:var(--shadow-md);opacity:0;transform:translateY(20px);transition:all .3s;pointer-events:none}
.back-to-top.visible{opacity:1;transform:translateY(0);pointer-events:auto}
.back-to-top:hover{background:var(--blue)}

/* skeleton cards */
.skeleton-card{background:var(--surface);border:1px solid var(--line);border-radius:var(--radius-lg);overflow:hidden}
.sk-img{height:170px;background:linear-gradient(90deg,var(--line) 25%,var(--bg) 50%,var(--line) 75%);background-size:200% 100%;animation:skShimmer 1.5s infinite}
.sk-body{padding:20px}
.sk-line{height:14px;border-radius:6px;margin-bottom:10px;background:linear-gradient(90deg,var(--line) 25%,var(--bg) 50%,var(--line) 75%);background-size:200% 100%;animation:skShimmer 1.5s infinite}
.sk-wide{width:80%}.sk-mid{width:55%}.sk-short{width:35%;margin-bottom:0}
@keyframes skShimmer{0%{background-position:200% 0}100%{background-position:-200% 0}}

/* responsive */
@media(max-width:900px){
  .hero-grid,.quote-wrap,.prod-detail{grid-template-columns:1fr}
  .trust-grid,.tech-grid,.res-grid{grid-template-columns:1fr}
  .trust-col,.tech-col{border-right:none;border-bottom:1px solid var(--line)}
  .scenario-grid,.case-grid,.tst-grid,.prod-grid{grid-template-columns:1fr 1fr}
  .hero h1{font-size:34px}
  .foot-grid{grid-template-columns:1fr 1fr}
  nav.main{display:none;position:absolute;top:64px;left:0;right:0;background:var(--navy);flex-direction:column;padding:16px 24px;gap:14px}
  nav.main.open{display:flex}
  .menu-toggle{display:block}
}
@media(max-width:600px){
  .scenario-grid,.case-grid,.tst-grid,.prod-grid,.field-row{grid-template-columns:1fr}
  .hero h1{font-size:28px}
  .section{padding:52px 0}
  .res-grid{grid-template-columns:1fr 1fr}
  .logo-wall{grid-template-columns:repeat(2,1fr)}
  .hero-stats{gap:22px}
}