:root{--ink:#15332f;--muted:#526c67;--teal:#087e72;--mint:#c9f0e4;--lime:#d8ed80;--paper:#f4faf7;--line:#d6e8e1;--white:#fff;--coral:#e77859;--shadow:0 14px 36px rgba(25,83,69,.09)}
*{box-sizing:border-box}
html{scroll-behavior:smooth}
body{margin:0;background:var(--paper);color:var(--ink);font:16px/1.65 -apple-system,BlinkMacSystemFont,"Segoe UI","Noto Sans SC","Microsoft YaHei",sans-serif}
a{color:inherit;text-decoration:none}
button,input,select,textarea{font:inherit}
img{max-width:100%;height:auto}
.container{width:min(1160px,calc(100% - 40px));margin:0 auto}
.site-header{position:sticky;top:0;z-index:20;background:rgba(244,250,247,.94);backdrop-filter:blur(14px);border-bottom:1px solid rgba(214,232,225,.85)}
.nav-row{min-height:76px;display:flex;align-items:center;justify-content:space-between;gap:24px}
.brand{display:flex;align-items:center;gap:11px;flex:0 0 auto}
.ai-page-logo{display:block;width:42px;height:auto}
.brand-name{font-weight:800;font-size:18px;letter-spacing:0}
.nav-links{display:flex;align-items:center;justify-content:flex-end;gap:0;flex-wrap:wrap}
.nav-links a{font-size:13px;color:#46635d;padding:8px 7px;white-space:nowrap;transition:color .2s}
.nav-links a:hover{color:var(--teal)}
.nav-cta,.button{display:inline-flex;align-items:center;justify-content:center;gap:9px;border:0;border-radius:5px;background:var(--teal);color:#fff;padding:12px 18px;font-weight:700;cursor:pointer;transition:transform .2s,background .2s,box-shadow .2s}
.nav-cta{padding:10px 15px;white-space:nowrap;font-size:14px}
.button:hover,.nav-cta:hover{background:#06665d;transform:translateY(-2px);box-shadow:0 9px 20px rgba(8,126,114,.2)}
.button.secondary{background:var(--white);color:var(--ink);border:1px solid var(--line)}
.button.secondary:hover{background:#eaf7f1}
.menu-toggle{display:none;background:transparent;border:1px solid var(--line);border-radius:5px;width:42px;height:42px;color:var(--ink);font-size:20px}
.hero{position:relative;overflow:hidden;background:#dff5ec;border-bottom:1px solid #c9e8dc}
.hero:before{content:"";position:absolute;inset:0;background:linear-gradient(120deg,rgba(224,247,239,.98) 0%,rgba(201,240,228,.92) 52%,rgba(236,246,188,.83) 100%);pointer-events:none}
.hero-grid{position:relative;display:grid;grid-template-columns:minmax(0,1.2fr) minmax(270px,.8fr);gap:42px;align-items:center;padding-top:74px;padding-bottom:72px}
.eyebrow{display:inline-flex;align-items:center;gap:9px;color:#17695d;font-size:13px;font-weight:800;letter-spacing:0}
.eyebrow:before{content:"";width:25px;height:2px;background:var(--coral)}
h1,h2,h3,p{margin-top:0}
h1{max-width:680px;margin:16px 0 18px;font-size:clamp(38px,5vw,62px);line-height:1.13;letter-spacing:0}
.hero-copy{max-width:620px;color:#385a53;font-size:18px;margin-bottom:27px}
.hero-actions{display:flex;flex-wrap:wrap;gap:12px}
.hero-note{margin-top:17px;font-size:13px;color:#52746b}
.hero-panel{position:relative;padding:28px 26px;background:rgba(255,255,255,.7);border:1px solid rgba(255,255,255,.9);border-radius:8px;box-shadow:0 18px 50px rgba(24,87,72,.1);animation:rise .75s ease both}
.hero-panel:after{content:"";position:absolute;right:20px;top:20px;width:10px;height:10px;border-radius:50%;background:var(--coral);box-shadow:0 0 0 6px rgba(231,120,89,.12)}
.panel-label{font-size:12px;color:var(--muted);font-weight:700}
.panel-title{font-size:23px;line-height:1.35;font-weight:800;margin:8px 0 20px}
.model-cloud{display:flex;flex-wrap:wrap;gap:8px}
.model-cloud span{border:1px solid #d2e9df;background:#f5fbf7;border-radius:3px;padding:6px 10px;font-size:12px;color:#315c51}
.panel-foot{border-top:1px solid var(--line);margin-top:20px;padding-top:16px;display:flex;align-items:center;justify-content:space-between;color:var(--muted);font-size:13px}
.panel-foot strong{font-size:18px;color:var(--teal)}
.metrics{position:relative;display:grid;grid-template-columns:repeat(4,1fr);gap:0;background:#fff;border:1px solid var(--line);margin-top:-1px}
.metric{padding:23px 22px;border-right:1px solid var(--line)}
.metric:last-child{border-right:0}
.metric strong{display:block;font-size:24px;line-height:1.2;color:var(--teal)}
.metric span{display:block;color:var(--muted);font-size:13px;margin-top:5px}
main section{scroll-margin-top:90px;padding:76px 0}
main section:nth-child(even){background:#edf7f2}
.section-head{display:flex;align-items:end;justify-content:space-between;gap:24px;margin-bottom:30px}
.section-head h2{font-size:34px;line-height:1.2;letter-spacing:0;margin:7px 0 0}
.section-head p{max-width:490px;margin:0;color:var(--muted)}
.section-kicker{color:var(--teal);font-size:12px;font-weight:800}
.intro-layout{display:grid;grid-template-columns:1fr 1.05fr;gap:50px;align-items:start}
.intro-layout h2{font-size:36px;line-height:1.22;margin:8px 0 18px}
.intro-layout p{color:var(--muted)}
.intro-points{display:grid;grid-template-columns:1fr 1fr;gap:0 25px;border-top:1px solid var(--line)}
.intro-point{padding:18px 0;border-bottom:1px solid var(--line)}
.intro-point strong{display:block;margin-bottom:4px}
.intro-point span{color:var(--muted);font-size:14px}
.inline-link{display:inline-flex;color:var(--teal);font-weight:700;margin-top:9px}
.service-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:1px;background:var(--line);border:1px solid var(--line)}
.service{background:#fff;padding:24px 22px;min-height:180px;transition:transform .2s,box-shadow .2s}
.service:hover{position:relative;z-index:1;transform:translateY(-3px);box-shadow:var(--shadow)}
.service-index{font-size:12px;color:var(--coral);font-weight:800}
.service h3{font-size:18px;margin:10px 0 8px}
.service p{margin:0;color:var(--muted);font-size:14px}
.service-tags{display:flex;flex-wrap:wrap;gap:7px;margin-top:19px}
.service-tags span{font-size:12px;color:#3b685b;border-bottom:1px solid #a9d5c5;padding:2px 4px}
.workflow{display:grid;grid-template-columns:repeat(4,1fr);gap:0;counter-reset:steps}
.workflow-item{position:relative;padding:0 24px 0 0;counter-increment:steps}
.workflow-item:before{content:"0" counter(steps);display:block;color:var(--teal);font-size:13px;font-weight:800;margin-bottom:17px}
.workflow-item:not(:last-child):after{content:"";position:absolute;top:12px;left:42px;right:10px;height:1px;background:#a9d5c5}
.workflow-item h3{font-size:18px;margin-bottom:8px}
.workflow-item p{color:var(--muted);font-size:14px;margin:0}
.flow-band{background:#153f37;color:#fff;padding:30px;border-radius:6px;margin-top:36px;display:flex;align-items:center;justify-content:space-between;gap:25px}
.flow-band p{color:#d1e8df;margin:0}
.flow-band strong{display:block;font-size:20px;margin-bottom:4px}
.flow-band .button{background:var(--lime);color:#20372d;white-space:nowrap}
.industry-grid{display:grid;grid-template-columns:1fr 1fr;gap:36px}
.industry-block{border-top:2px solid var(--teal);padding-top:20px}
.industry-block h3{font-size:20px;margin-bottom:15px}
.industry-list{display:grid;grid-template-columns:1fr 1fr;gap:0 20px}
.industry-list span{padding:10px 0;border-bottom:1px solid var(--line);font-size:14px;color:#385a53}
.network{display:grid;grid-template-columns:1.2fr .8fr;gap:44px;align-items:center}
.network-visual{border:1px solid var(--line);background:#fff;padding:25px}
.network-visual h3{margin:0 0 18px;font-size:19px}
.network-tags{display:flex;flex-wrap:wrap;gap:9px}
.network-tags span{padding:8px 11px;border:1px solid #d7e9e2;background:#f5faf7;font-size:13px;border-radius:3px;color:#345c52}
.network-copy p{color:var(--muted)}
.network-copy .button{margin-top:7px}
.comparison{display:grid;grid-template-columns:.72fr 1.28fr;gap:32px;align-items:start}
.score-box{background:#d9f1e7;padding:28px;border-left:4px solid var(--teal)}
.score-box .score-label{font-size:13px;color:#42695f;font-weight:700}
.score{font-size:52px;line-height:1.05;font-weight:800;margin:12px 0 4px;color:#145f53}
.stars{color:#d47b24;letter-spacing:2px;font-size:18px}
.score-box p{margin:16px 0 0;color:#44675f;font-size:14px}
.table-wrap{overflow-x:auto;border:1px solid var(--line);background:#fff}
table{width:100%;border-collapse:collapse;min-width:610px;text-align:left}
th,td{padding:14px 16px;border-bottom:1px solid var(--line);font-size:14px}
th{background:#e4f3ed;color:#31574e;font-size:13px}
td:first-child{font-weight:700}
td:nth-child(2){color:var(--teal);font-weight:700}
td:last-child{color:var(--muted)}
.reviews{display:grid;grid-template-columns:repeat(3,1fr);gap:18px}
.review{padding:22px;background:#fff;border-top:3px solid #98d7c1}
.review p{color:#36574f;font-size:14px;min-height:84px}
.review-person{display:flex;align-items:center;justify-content:space-between;gap:12px;border-top:1px solid var(--line);padding-top:14px}
.review-person strong{font-size:14px}
.review-person span{font-size:12px;color:var(--muted)}
.case-grid{display:grid;grid-template-columns:1.15fr .85fr;gap:22px}
.case-feature{background:#fff;border:1px solid var(--line);display:grid;grid-template-columns:1fr 1fr;align-items:stretch}
.case-feature .case-copy{padding:25px}
.case-copy .section-kicker{display:block;margin-bottom:9px}
.case-copy h3{font-size:22px;line-height:1.3}
.case-copy p{font-size:14px;color:var(--muted)}
.case-art{min-height:220px;background:#d8f0e6;overflow:hidden}
.case-art img{width:100%;height:100%;object-fit:cover;display:block}
.case-side{display:grid;gap:22px}
.case-mini{display:grid;grid-template-columns:120px 1fr;background:#fff;border:1px solid var(--line)}
.case-mini .case-art{min-height:130px}
.case-mini .case-copy{padding:16px}
.case-mini h3{font-size:16px;margin-bottom:7px}
.case-mini p{margin:0;font-size:13px;color:var(--muted)}
.match-layout{display:grid;grid-template-columns:.8fr 1.2fr;gap:40px;align-items:start}
.match-copy h2{font-size:34px;line-height:1.2}
.match-copy p{color:var(--muted)}
.match-list{list-style:none;margin:22px 0 0;padding:0}
.match-list li{padding:11px 0;border-bottom:1px solid var(--line);font-size:14px}
.match-list li:before{content:"✓";color:var(--teal);font-weight:800;margin-right:10px}
.form-panel{padding:25px;background:#fff;border:1px solid var(--line)}
.form-grid{display:grid;grid-template-columns:1fr 1fr;gap:15px}
.field{display:flex;flex-direction:column;gap:6px}
.field.full{grid-column:1/-1}
.field label{font-size:13px;font-weight:700}
.field input,.field select,.field textarea{width:100%;border:1px solid #cbded6;border-radius:3px;background:#fbfdfc;padding:11px 12px;color:var(--ink);outline:none}
.field input:focus,.field select:focus,.field textarea:focus{border-color:var(--teal);box-shadow:0 0 0 3px rgba(8,126,114,.1)}
.field textarea{resize:vertical;min-height:104px}
.form-submit{margin-top:17px;width:100%}
.token-layout{display:grid;grid-template-columns:1fr 1fr;gap:34px;align-items:center}
.token-copy p{color:var(--muted)}
.token-steps{display:grid;gap:0}
.token-step{display:grid;grid-template-columns:40px 1fr;gap:14px;padding:14px 0;border-bottom:1px solid var(--line)}
.token-step b{color:var(--teal);font-size:14px}
.token-step strong{display:block;font-size:15px}
.token-step span{color:var(--muted);font-size:13px}
.faq-list{border-top:1px solid var(--line)}
details{border-bottom:1px solid var(--line)}
summary{list-style:none;cursor:pointer;padding:17px 34px 17px 0;position:relative;font-weight:700}
summary::-webkit-details-marker{display:none}
summary:after{content:"+";position:absolute;right:4px;top:13px;font-size:23px;color:var(--teal);font-weight:400}
details[open] summary:after{content:"−"}
details p{color:var(--muted);font-size:14px;margin:0;padding:0 35px 17px 0}
.articles{display:grid;grid-template-columns:repeat(5,1fr);gap:14px}
.article{display:block;background:#fff;border:1px solid var(--line);padding:17px;min-height:118px;transition:transform .2s,border-color .2s}
.article:hover{transform:translateY(-3px);border-color:#83cbb2}
.article span{font-size:12px;color:var(--teal);font-weight:700}
.article strong{display:block;margin-top:11px;font-size:14px;line-height:1.5}
.about-strip{display:flex;justify-content:space-between;gap:28px;align-items:center;border-top:1px solid var(--line);border-bottom:1px solid var(--line);padding:22px 0}
.about-strip p{max-width:700px;margin:0;color:var(--muted)}
.about-strip strong{white-space:nowrap}
.footer{background:#e3f0ea;color:#24483f;border-top:1px solid #c9dfd5;padding:36px 0 22px}
.footer-main{display:grid;grid-template-columns:1.1fr 1fr 1fr;gap:34px}
.footer h2,.footer h3{font-size:16px;margin:0 0 12px}
.footer p,.footer a,.footer span{font-size:13px;color:#47665d}
.footer a:hover{color:var(--teal)}
.footer-links{display:flex;flex-wrap:wrap;gap:8px 16px}
.contact-info{display:grid;gap:5px}
.qr-row{display:flex;gap:14px;align-items:center;margin-top:14px}
.qr-row img{width:86px;height:auto;border:4px solid white}
.footer-bottom{border-top:1px solid #c8ddd4;margin-top:25px;padding-top:15px;color:#59756c;font-size:12px}
.float-contact{position:fixed;right:18px;bottom:20px;z-index:18;display:grid;gap:8px}
.float-contact a,.top-button{width:48px;height:48px;display:grid;place-items:center;background:#fff;border:1px solid var(--line);border-radius:50%;color:var(--teal);box-shadow:0 5px 18px rgba(28,77,65,.13);font-size:12px;font-weight:800}
.top-button{cursor:pointer}
.reveal{opacity:0;transform:translateY(14px);transition:opacity .55s ease,transform .55s ease}
.reveal.is-visible{opacity:1;transform:translateY(0)}
@keyframes rise{from{opacity:0;transform:translateY(12px)}to{opacity:1;transform:translateY(0)}}
@media(max-width:1000px){
.nav-row{gap:12px}.nav-links{display:none;position:absolute;top:76px;left:20px;right:20px;padding:12px;background:#fff;border:1px solid var(--line);box-shadow:var(--shadow);align-items:flex-start;justify-content:flex-start}
.nav-links.open{display:flex}.nav-links a{padding:9px 10px}.menu-toggle{display:block;margin-left:auto}.nav-cta{font-size:13px}
}
@media(max-width:760px){
.container{width:min(100% - 32px,600px)}
.hero-grid{grid-template-columns:1fr;gap:28px;padding-top:52px;padding-bottom:44px}
h1{font-size:42px}
.hero-copy{font-size:16px}
.hero-panel{max-width:520px}
.metrics{grid-template-columns:1fr 1fr}
.metric:nth-child(2){border-right:0}.metric:nth-child(-n+2){border-bottom:1px solid var(--line)}
main section{padding:56px 0}
.section-head{display:block}.section-head p{margin-top:12px}
.section-head h2,.intro-layout h2,.match-copy h2{font-size:29px}
.intro-layout,.network,.comparison,.match-layout,.token-layout{grid-template-columns:1fr;gap:27px}
.service-grid{grid-template-columns:1fr 1fr}
.service{padding:19px 16px;min-height:190px}
.workflow{grid-template-columns:1fr 1fr;gap:28px 16px}
.workflow-item:not(:last-child):after{display:none}
.flow-band{align-items:flex-start;flex-direction:column;padding:23px}
.industry-grid{gap:24px}
.reviews{grid-template-columns:1fr 1fr}
.case-grid{grid-template-columns:1fr}
.articles{grid-template-columns:1fr 1fr}
.footer-main{grid-template-columns:1fr 1fr}
}
@media(max-width:480px){
.container{width:calc(100% - 28px)}
.brand-name{font-size:16px}
.ai-page-logo{width:36px}
.nav-cta{padding:9px 10px}
.nav-row{min-height:68px}
.nav-links{top:68px;left:14px;right:14px}
h1{font-size:37px}
.hero-grid{padding-top:42px}
.hero-actions .button{width:100%}
.metrics{grid-template-columns:1fr 1fr}
.metric{padding:17px 13px}
.metric strong{font-size:21px}
.service-grid,.reviews{grid-template-columns:1fr}
.service{min-height:0}
.industry-grid{grid-template-columns:1fr}
.industry-list{grid-template-columns:1fr 1fr}
.workflow{grid-template-columns:1fr 1fr}
.case-feature{grid-template-columns:1fr}
.case-art{min-height:190px}
.case-mini{grid-template-columns:95px 1fr}
.case-mini .case-art{min-height:120px}
.form-grid{grid-template-columns:1fr}
.field.full{grid-column:auto}
.articles{grid-template-columns:1fr 1fr}
.article{padding:13px;min-height:110px}
.footer-main{grid-template-columns:1fr}
.about-strip{align-items:flex-start;flex-direction:column}
.float-contact{right:10px;bottom:12px}
}
@media(prefers-reduced-motion:reduce){
html{scroll-behavior:auto}
*,*:before,*:after{animation-duration:.01ms!important;animation-iteration-count:1!important;transition-duration:.01ms!important}
.reveal{opacity:1;transform:none}
}