:root{
--bg:#FFFFFF; --bg-2:#F5F7FB; --ink:#0E1117; --ink-2:#556070; --line:#E5E9F0;
--blue:#1D4ED8; --blue-2:#2563EB; --blue-soft:#EAF0FF; --blue-deep:#0B1A3F;
--live:#16A34A; --amber:#F59E0B;
--radius:18px; --max:1180px;
}
*{box-sizing:border-box;margin:0;padding:0}
html{scroll-behavior:smooth}
body{background:var(--bg);color:var(--ink);font:16px/1.6 Inter,system-ui,sans-serif;-webkit-font-smoothing:antialiased;overflow-x:hidden}
h1,h2,h3,h4{font-family:'Plus Jakarta Sans',Inter,sans-serif;line-height:1.12;letter-spacing:-.02em}
h2{font-weight:700}
a{color:inherit;text-decoration:none}
.wrap{max-width:var(--max);margin:0 auto;padding:0 24px}
.eyebrow{display:inline-flex;align-items:center;gap:8px;font-size:13px;font-weight:600;letter-spacing:.1em;text-transform:uppercase;color:var(--blue)}
.eyebrow.big{font-size:17px;letter-spacing:.12em}
.eyebrow.big::before{width:26px;height:3px}
.eyebrow::before{content:"";width:18px;height:2px;background:var(--blue);border-radius:2px}
.btn{display:inline-flex;align-items:center;justify-content:center;gap:8px;padding:14px 22px;border-radius:12px;font-weight:600;font-size:15px;transition:transform .15s,background .15s,box-shadow .15s;border:0;cursor:pointer;font-family:inherit}
.btn:hover{transform:translateY(-1px)}
.btn-primary{background:var(--blue);color:#fff;box-shadow:0 8px 20px -8px rgba(29,78,216,.6)}
.btn-primary:hover{background:var(--blue-2)}
.btn-ghost{border:1px solid var(--line);background:#fff}
.btn-ghost:hover{border-color:#C9D2E0}
section{padding:100px 0}
.alt{background:var(--bg-2)}
.head{max-width:720px;margin-bottom:52px}
.head.center{margin-left:auto;margin-right:auto;text-align:center}
.head h2{font-size:clamp(30px,4vw,46px);margin-top:14px}
.head p{color:var(--ink-2);font-size:18px;margin-top:16px}
.logo-img{display:block;background:url(/logo.png) no-repeat left center/contain}
nav{position:sticky;top:0;z-index:50;background:rgba(255,255,255,.88);backdrop-filter:blur(12px);border-bottom:1px solid var(--line)}
nav .wrap{display:flex;align-items:center;justify-content:space-between;height:70px;gap:20px}
nav .logo-img{width:92px;height:44px}
.nav-links{display:flex;gap:30px;font-size:15px;color:var(--ink-2);font-weight:500}
.nav-links a:hover{color:var(--blue)}
.nav-cta{padding:10px 18px;font-size:14px}
.hero{padding:72px 0 90px;position:relative;overflow:hidden}
.hero::before{content:"";position:absolute;inset:-200px -200px auto auto;width:640px;height:640px;background:radial-gradient(circle,rgba(37,99,235,.12),transparent 65%);pointer-events:none}
.hero .wrap{display:grid;grid-template-columns:1.05fr 1fr;gap:56px;align-items:center;position:relative}
.hero h1{font-size:clamp(34px,4.6vw,56px);font-weight:700;margin:18px 0 22px}
.hero h1 .fixed{display:block}
.hero h1 .rot{color:var(--blue);display:block;min-height:2.3em}
.caret{display:inline-block;width:3px;height:.9em;background:var(--blue);margin-left:4px;vertical-align:-.08em;animation:blink 1s steps(1) infinite}
@keyframes blink{50%{opacity:0}}
.hero p.lead{font-size:19px;color:var(--ink-2);max-width:520px}
.hero-actions{display:flex;gap:12px;flex-wrap:wrap;margin-top:32px}
.hero-note{margin-top:26px;display:flex;gap:22px;flex-wrap:wrap;font-size:14px;color:var(--ink-2)}
.hero-note span::before{content:"✓";color:var(--blue);font-weight:700;margin-right:6px}
:root{--up:#16A34A;--up-bg:#E8F7EE;--down:#DC2626;--down-bg:#FDECEC;--warn:#F59E0B;--warn-bg:#FEF4E2}
.mock{background:#fff;border:1px solid var(--line);border-radius:22px;box-shadow:0 40px 80px -30px rgba(11,26,63,.28);font-size:13px;overflow:hidden;min-width:0}
.mock-top{display:flex;justify-content:space-between;align-items:center;padding:12px 16px;border-bottom:1px solid var(--line)}
.mock-top .logo-img{width:54px;height:26px}
.mock-top .who{display:flex;align-items:center;gap:12px;font-size:12px;color:var(--ink-2)}
.live{display:inline-flex;align-items:center;gap:6px;font-size:12px;font-weight:600;color:var(--up)}
.live b{width:8px;height:8px;border-radius:50%;background:var(--up);animation:pulse 1.6s infinite}
@keyframes pulse{0%{box-shadow:0 0 0 0 rgba(22,163,74,.6)}100%{box-shadow:0 0 0 10px rgba(22,163,74,0)}}
.mock-body{display:grid;grid-template-columns:152px 1fr;min-height:430px}
.side{background:var(--bg-2);border-right:1px solid var(--line);padding:12px 8px}
.side small{display:block;font-size:10px;font-weight:600;letter-spacing:.08em;text-transform:uppercase;color:#8A94A6;margin:6px 8px 6px}
.side small:not(:first-child){margin-top:14px}
.tab{display:flex;align-items:center;gap:7px;width:100%;text-align:left;border:0;background:none;padding:7px 8px;border-radius:8px;font:500 12px Inter,sans-serif;color:var(--ink-2);cursor:pointer;white-space:nowrap}
.tab:hover{color:var(--ink)}
.tab.on{background:#fff;color:var(--blue);font-weight:600;box-shadow:0 1px 3px rgba(11,26,63,.08)}
.tab i{flex-shrink:0;width:6px;height:6px;border-radius:50%;background:currentColor;opacity:.5}
.tab .ai{font-size:9px;font-weight:700;background:var(--blue);color:#fff;border-radius:4px;padding:1px 4px;margin-left:auto}
.pane{display:none;padding:14px;animation:fade .4s}
.pane.on{display:block}
@keyframes fade{from{opacity:0;transform:translateY(4px)}to{opacity:1;transform:none}}
.pane h5{font:600 13px 'Plus Jakarta Sans',sans-serif;margin-bottom:10px;display:flex;justify-content:space-between;align-items:center}
.pane h5 span{font:500 11px Inter,sans-serif;color:var(--ink-2)}
.kg{display:grid;grid-template-columns:1fr 1fr;gap:8px;margin-bottom:10px}
.kp{border:1px solid var(--line);border-radius:10px;padding:8px 10px}
.kp small{display:block;font-size:10.5px;color:var(--ink-2)}
.kp strong{display:block;font:700 15px 'Plus Jakarta Sans',sans-serif;margin:2px 0}
.d{display:inline-flex;align-items:center;gap:3px;font-size:10.5px;font-weight:600;padding:1px 6px;border-radius:999px}
.d.up{color:var(--up);background:var(--up-bg)}
.d.down{color:var(--down);background:var(--down-bg)}
.d.warn{color:#B45309;background:var(--warn-bg)}
.rows{border:1px solid var(--line);border-radius:10px;overflow:hidden}
.row{display:grid;grid-template-columns:14px 1fr auto auto;gap:8px;align-items:center;padding:7px 10px;font-size:11.5px}
.row+.row{border-top:1px solid var(--line)}
.row b{font-weight:600}
.row em{font-style:normal;color:var(--ink-2)}
.sem{width:10px;height:10px;border-radius:50%}
.sem.g{background:var(--up);box-shadow:0 0 0 3px var(--up-bg)}
.sem.y{background:var(--warn);box-shadow:0 0 0 3px var(--warn-bg)}
.sem.r{background:var(--down);box-shadow:0 0 0 3px var(--down-bg)}
.chart{display:flex;align-items:flex-end;gap:5px;height:64px;margin-bottom:10px;padding:0 2px;border-bottom:1px solid var(--line)}
.chart i{flex:1;border-radius:4px 4px 0 0;background:var(--blue-soft);height:var(--h);transition:height .6s}
.chart i.hi{background:var(--blue)}
.aging{display:grid;gap:7px;margin-bottom:10px}
.ag{display:grid;grid-template-columns:62px 1fr 70px;gap:8px;align-items:center;font-size:11px}
.ag .tr{height:8px;background:var(--bg-2);border-radius:6px;overflow:hidden}
.ag .tr i{display:block;height:100%;border-radius:6px;width:var(--w)}
.ag b{text-align:right;font-weight:600}
.insl{display:grid;gap:8px}
.ic-card{display:grid;grid-template-columns:24px 1fr;gap:9px;border:1px solid var(--line);border-radius:10px;padding:9px 10px;font-size:11.5px;line-height:1.45}
.ic-card .ic{width:24px;height:24px;border-radius:7px;display:grid;place-items:center;font-size:12px;font-weight:700}
.ic-card.up .ic{background:var(--up-bg);color:var(--up)}
.ic-card.down .ic{background:var(--down-bg);color:var(--down)}
.ic-card.warn .ic{background:var(--warn-bg);color:#B45309}
.ic-card p{color:var(--ink-2)}
.ic-card p b{color:var(--ink)}
.ic-card .act{display:inline-block;margin-top:4px;font-weight:600;color:var(--blue)}
.aibar{display:flex;align-items:center;gap:8px;background:var(--blue-soft);color:var(--blue);border-radius:10px;padding:8px 10px;font-size:11.5px;font-weight:600;margin-bottom:10px}
.aibar b{width:7px;height:7px;border-radius:50%;background:var(--blue);animation:pulse 1.6s infinite}
.stats{border-top:1px solid var(--line);border-bottom:1px solid var(--line);padding:40px 0}
.stats .wrap{display:grid;grid-template-columns:repeat(4,1fr);gap:24px}
.stat strong{font-family:'Plus Jakarta Sans',sans-serif;font-size:34px;font-weight:700;color:var(--blue);display:block;line-height:1.1}
.stat span{color:var(--ink-2);font-size:14px}
.flow{display:grid;grid-template-columns:repeat(5,1fr);gap:0;align-items:stretch;position:relative}
.node{background:#fff;border:1px solid var(--line);border-radius:16px;padding:20px;position:relative;margin:0 14px}
.node:not(:last-child)::after{content:"";position:absolute;right:-29px;top:50%;width:28px;height:2px;background:linear-gradient(90deg,var(--blue) 50%,transparent 0) 0 0/8px 2px;animation:dash 1s linear infinite}
@keyframes dash{to{background-position:8px 0}}
.node:first-child{margin-left:0}.node:last-child{margin-right:0}
.node .k{font-size:12px;font-weight:600;color:var(--blue);text-transform:uppercase;letter-spacing:.06em}
.node h4{font-size:17px;margin:8px 0 6px}
.node p{font-size:14px;color:var(--ink-2)}
.node.core{background:var(--blue);border-color:var(--blue);color:#fff}
.node.core .k,.node.core p{color:#D6E1FF}
.three{display:grid;grid-template-columns:repeat(3,1fr);gap:18px}
.box{background:#fff;border:1px solid var(--line);border-radius:var(--radius);padding:28px}
.ico{width:44px;height:44px;border-radius:12px;background:var(--blue-soft);display:grid;place-items:center;margin-bottom:18px}
.ico svg{width:22px;height:22px;stroke:var(--blue);fill:none;stroke-width:1.9;stroke-linecap:round;stroke-linejoin:round}
.box h3{font-size:20px;margin-bottom:8px}
.box p{color:var(--ink-2);font-size:15px}
.mods{display:grid;grid-template-columns:repeat(3,1fr);gap:16px}
.mod{position:relative}
.mod.big{grid-column:span 2}
.tag{position:absolute;top:24px;right:24px;font-size:11px;font-weight:600;padding:4px 10px;border-radius:999px;background:var(--bg-2);color:var(--ink-2)}
.tag.ia{background:var(--blue-soft);color:var(--blue)}
.chat-sec .wrap{display:grid;grid-template-columns:1fr 1fr;gap:56px;align-items:center}
.phone{background:#fff;border:1px solid var(--line);border-radius:26px;padding:18px;max-width:400px;margin:0 auto;width:100%;box-shadow:0 30px 60px -30px rgba(11,26,63,.25)}
.phone-h{display:flex;align-items:center;gap:10px;padding-bottom:12px;border-bottom:1px solid var(--line);margin-bottom:14px}
.av{width:34px;height:34px;border-radius:50%;background:var(--blue);color:#fff;display:grid;place-items:center;font:700 13px 'Plus Jakarta Sans',sans-serif}
.phone-h small{display:block;color:var(--live);font-size:12px}
.msg{max-width:82%;padding:10px 13px;border-radius:14px;font-size:14px;margin-bottom:8px;opacity:0;transform:translateY(6px);transition:all .4s}
.msg.show{opacity:1;transform:none}
.msg.u{background:var(--bg-2);border-bottom-left-radius:4px}
.msg.b{background:var(--blue);color:#fff;margin-left:auto;border-bottom-right-radius:4px}
.msg.sys{max-width:100%;text-align:center;background:none;color:var(--live);font-size:12px;font-weight:600}
.checks{list-style:none;display:grid;gap:12px;margin-top:24px}
.checks li{padding-left:30px;position:relative;color:var(--ink-2)}
.checks li b{color:var(--ink)}
.checks li::before{content:"";position:absolute;left:0;top:4px;width:18px;height:18px;border-radius:50%;background:var(--blue-soft) url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' viewBox='0 0 24 24' fill='none' stroke='%231D4ED8' stroke-width='3' stroke-linecap='round' stroke-linejoin='round'%3E%3Cpath d='M6 12l4 4 8-8'/%3E%3C/svg%3E") center/12px no-repeat}
.steps{display:grid;grid-template-columns:repeat(4,1fr);border-top:2px solid var(--ink)}
.step{padding:26px 22px 0 0}
.step .num{font-family:'Plus Jakarta Sans',sans-serif;font-weight:700;font-size:42px;color:var(--blue);line-height:1}
.step h3{font-size:20px;margin:14px 0 8px}
.step p{color:var(--ink-2);font-size:15px}
.marquee{display:grid;gap:14px;-webkit-mask-image:linear-gradient(90deg,transparent,#000 12%,#000 88%,transparent);mask-image:linear-gradient(90deg,transparent,#000 12%,#000 88%,transparent)}
.mq-row{overflow:hidden}
.mq-track{display:flex;gap:14px;width:max-content;animation:mq 45s linear infinite}
.mq-track.rev{animation-direction:reverse;animation-duration:50s}
@keyframes mq{from{transform:translateX(0)}to{transform:translateX(calc(-50% - 7px))}}
.int{display:inline-flex;align-items:center;gap:12px;padding:12px 20px 12px 12px;border-radius:14px;border:1px solid var(--line);background:#fff;font-weight:500;font-size:15px;white-space:nowrap;transition:border-color .2s,box-shadow .2s}
.int:hover{border-color:var(--blue);box-shadow:0 6px 18px -8px rgba(29,78,216,.35)}
.int i{width:36px;height:36px;border-radius:10px;display:grid;place-items:center;background:var(--blue-soft)}
.int i svg{width:19px;height:19px;stroke:var(--blue);fill:none;stroke-width:1.9;stroke-linecap:round;stroke-linejoin:round}
.int i.lg{background:#fff;border:1px solid var(--line)}
.int i.lg svg{width:20px;height:20px;stroke:none}
.int small{display:block;font-size:12px;color:var(--ink-2);font-weight:400;line-height:1.2}
.int span{line-height:1.25}
.model{display:grid;grid-template-columns:1fr 1fr;gap:18px}
.plan{background:#fff;border:1px solid var(--line);border-radius:22px;padding:36px}
.plan.hl{background:var(--blue-deep);color:#fff;border-color:var(--blue-deep)}
.plan .kind{font-size:13px;font-weight:600;text-transform:uppercase;letter-spacing:.1em;color:var(--blue)}
.plan.hl .kind{color:#8FB0FF}
.plan h3{font-size:28px;margin:10px 0}
.plan > p{color:var(--ink-2)}
.plan.hl > p{color:#B7C5E6}
.plan ul{list-style:none;margin-top:22px;display:grid;gap:10px}
.plan li{padding-left:26px;position:relative;font-size:15px}
.plan li::before{content:"";position:absolute;left:2px;top:6px;width:12px;height:7px;border-left:2px solid var(--blue-2);border-bottom:2px solid var(--blue-2);transform:rotate(-45deg)}
.plan.hl li::before{border-color:#8FB0FF}
.note{margin-top:18px;color:var(--ink-2);font-size:14px;text-align:center}
.faq{max-width:820px;margin:0 auto}
details{border-bottom:1px solid var(--line);padding:22px 0}
summary{cursor:pointer;list-style:none;font-family:'Plus Jakarta Sans',sans-serif;font-size:19px;font-weight:600;display:flex;justify-content:space-between;gap:20px}
summary::-webkit-details-marker{display:none}
summary::after{content:"+";color:var(--blue);font-size:26px;line-height:1;transition:transform .2s}
details[open] summary::after{transform:rotate(45deg)}
details p{color:var(--ink-2);margin-top:12px;max-width:720px}
.cta{background:var(--blue-deep);color:#fff;border-radius:28px;padding:64px;display:grid;grid-template-columns:1.05fr 1fr;gap:48px;align-items:center;position:relative;overflow:hidden}
.cta::before{content:"";position:absolute;right:-120px;top:-120px;width:420px;height:420px;background:radial-gradient(circle,rgba(37,99,235,.55),transparent 65%)}
.cta > *{position:relative}
.cta h2{font-size:clamp(30px,4vw,44px)}
.cta p{color:#B7C5E6;margin-top:14px;font-size:17px}
.ways{display:flex;gap:10px;flex-wrap:wrap;margin-top:26px}
.ways a{padding:11px 16px;border-radius:12px;border:1px solid rgba(255,255,255,.2);font-size:14px;font-weight:600}
.ways a:hover{background:rgba(255,255,255,.08)}
form{background:#fff;color:var(--ink);border-radius:18px;padding:26px;display:grid;gap:12px}
input,select,textarea{width:100%;padding:13px 14px;border:1px solid var(--line);border-radius:10px;font:15px Inter,sans-serif;background:var(--bg-2);color:var(--ink)}
input:focus,select:focus,textarea:focus{outline:2px solid var(--blue-soft);border-color:var(--blue)}
textarea{min-height:90px;resize:vertical}
.ok{display:none;color:var(--live);font-weight:600;font-size:14px;text-align:center}
footer{padding:64px 0 32px;border-top:1px solid var(--line);margin-top:100px}
.fgrid{display:grid;grid-template-columns:1.4fr 1fr 1fr 1fr;gap:32px}
footer .logo-img{width:110px;height:52px;margin-bottom:14px}
footer p,footer li{color:var(--ink-2);font-size:14px}
footer h4{font-size:14px;margin-bottom:12px}
footer ul{list-style:none;display:grid;gap:8px}
footer a:hover{color:var(--blue)}
.fbot{margin-top:40px;padding-top:22px;border-top:1px solid var(--line);display:flex;justify-content:space-between;color:var(--ink-2);font-size:13px;flex-wrap:wrap;gap:10px}
.rv{opacity:0;transform:translateY(18px);transition:opacity .7s,transform .7s}
.rv.in{opacity:1;transform:none}
@media (max-width:980px){
.hero .wrap,.cta,.model,.chat-sec .wrap{grid-template-columns:1fr}
.three,.mods{grid-template-columns:1fr 1fr}
.stats .wrap{grid-template-columns:1fr 1fr}
.flow{grid-template-columns:1fr;gap:26px}
.node{margin:0!important}
.node:not(:last-child)::after{right:auto;left:50%;top:auto;bottom:-27px;width:2px;height:26px;background:linear-gradient(180deg,var(--blue) 50%,transparent 0) 0 0/2px 8px;animation:none}
.steps{grid-template-columns:1fr 1fr;row-gap:30px}
.fgrid{grid-template-columns:1fr 1fr}
.nav-links{display:none}
.cta{padding:40px 28px}
}
@media (max-width:620px){
.wrap{padding:0 16px}
section{padding:70px 0}
.three,.mods,.steps{grid-template-columns:1fr}
.mod.big{grid-column:auto}
.mock-body{grid-template-columns:1fr;min-height:0}
.side{display:flex;overflow-x:auto;gap:4px;border-right:0;border-bottom:1px solid var(--line);padding:8px}
.side small{display:none}
.tab{width:auto}
.row{grid-template-columns:12px 1fr auto;font-size:11px}
.row em{display:none}
.cta{padding:30px 20px;border-radius:22px}
.plan{padding:26px}
.stat strong{font-size:28px}
.fgrid{grid-template-columns:1fr}
.nav-cta{display:none}
.hero h1 .rot{min-height:3.4em}
}
@media (prefers-reduced-motion:reduce){*{animation:none!important;transition:none!important}.rv{opacity:1;transform:none}}
.nav-links a.on{color:var(--blue);font-weight:600}
.page-head{padding:72px 0 8px;text-align:center}
.page-head h1{font-size:clamp(32px,4.4vw,52px);font-weight:700;margin-top:14px}
.page-head p{color:var(--ink-2);font-size:18px;margin:16px auto 0;max-width:640px}
.band{background:var(--blue-deep);color:#fff;border-radius:28px;padding:48px 56px;display:flex;justify-content:space-between;align-items:center;gap:28px;flex-wrap:wrap}
.band h2{font-size:clamp(26px,3.2vw,36px)}
.band p{color:#B7C5E6;margin-top:8px}
.band .btn-primary{box-shadow:none}
.menu-btn{display:none;background:none;border:1px solid var(--line);border-radius:10px;width:42px;height:42px;cursor:pointer;align-items:center;justify-content:center}
.menu-btn svg{width:20px;height:20px;stroke:var(--ink);fill:none;stroke-width:2;stroke-linecap:round}
@media (max-width:980px){.menu-btn{display:inline-flex}.nav-links.open{display:flex;position:absolute;top:70px;left:0;right:0;flex-direction:column;gap:0;background:#fff;border-bottom:1px solid var(--line);padding:8px 16px}.nav-links.open a{padding:12px 0;border-bottom:1px solid var(--line)}.nav-links.open a:last-child{border-bottom:0}}
@media (max-width:620px){.band{padding:32px 22px;border-radius:22px}}