*,*::before,*::after{box-sizing:border-box}
html{scroll-behavior:smooth;scroll-padding-top:84px}
body{margin:0;font-family:-apple-system,BlinkMacSystemFont,"Segoe UI","PingFang SC","Hiragino Sans GB","Microsoft YaHei",sans-serif;color:#141821;line-height:1.7;-webkit-font-smoothing:antialiased;background-color:#FBF6EF;background-image:radial-gradient(680px 420px at 8% 0%,rgba(255,61,104,.13),transparent 70%),radial-gradient(620px 380px at 94% 6%,rgba(27,92,255,.12),transparent 70%);background-repeat:no-repeat}
img{max-width:100%;display:block}
a{color:inherit;text-decoration:none}
ul,ol{margin:0;padding:0;list-style:none}
h1,h2,h3,h4{margin:0;line-height:1.28;letter-spacing:-.01em}
p{margin:0}
button{font-family:inherit}
:root{
--bg:#FBF6EF;--ink:#141821;--ink2:#4A5062;--line:#EADFD2;
--pink:#FF3D68;--blue:#1B5CFF;--yellow:#FFC42E;--mint:#00C2A8;
}
.container{width:100%;max-width:1180px;margin:0 auto;padding:0 20px}
.sec{padding:62px 0}
.sec-white{background:#FFFFFF;border-top:1px solid var(--line);border-bottom:1px solid var(--line)}
.sec-blue{background:#EFF4FF}
.sec-yellow{background:#FFF8E6}
.sec-pink{background:#FFF1F4}
.kicker{display:inline-flex;align-items:center;gap:9px;font-size:13px;font-weight:800;letter-spacing:.06em;color:#E02650;margin-bottom:12px}
.kicker::before{content:"";width:22px;height:3px;border-radius:2px;background:linear-gradient(90deg,#FF3D68,#1B5CFF)}
.sec-head{max-width:760px;margin-bottom:34px}
.sec-head h2{font-size:clamp(23px,3.2vw,34px);font-weight:800;color:var(--ink)}
.sec-head p{margin-top:12px;color:var(--ink2);font-size:15.5px}
.btn{display:inline-flex;align-items:center;justify-content:center;gap:8px;padding:13px 26px;border-radius:999px;font-size:15px;font-weight:800;border:2px solid transparent;cursor:pointer;transition:transform .18s ease,box-shadow .18s ease,background .18s ease,color .18s ease}
.btn-primary{background:var(--pink);color:#fff;box-shadow:0 10px 24px rgba(255,61,104,.30)}
.btn-primary:hover{transform:translateY(-2px);box-shadow:0 16px 32px rgba(255,61,104,.38)}
.btn-blue{background:var(--blue);color:#fff;box-shadow:0 10px 24px rgba(27,92,255,.28)}
.btn-blue:hover{transform:translateY(-2px);box-shadow:0 16px 32px rgba(27,92,255,.36)}
.btn-ghost{background:#fff;color:var(--ink);border-color:var(--ink);box-shadow:5px 5px 0 rgba(20,24,33,.12)}
.btn-ghost:hover{transform:translateY(-2px);box-shadow:7px 7px 0 rgba(20,24,33,.18)}
.btn-sm{padding:9px 18px;font-size:14px}
/* header */
.site-header{position:sticky;top:0;z-index:60;background:rgba(251,246,239,.94);backdrop-filter:blur(12px);border-bottom:1px solid var(--line)}
.nav-bar{position:relative;display:flex;align-items:center;justify-content:space-between;gap:14px;padding:11px 20px}
.brand{display:flex;align-items:center;gap:9px;font-weight:800;font-size:17px;color:var(--ink);flex:0 0 auto}
.brand .ai-page-logo{max-height:36px;width:auto}
.brand-text{letter-spacing:.02em;white-space:nowrap}
.nav-wrap{display:flex;align-items:center}
.nav-links{display:flex;align-items:center;gap:0;flex-wrap:nowrap}
.nav-links a{display:block;padding:8px 10px;font-size:13.5px;font-weight:700;color:#333A49;border-radius:8px;transition:color .18s ease,background .18s ease}
.nav-links a:hover{color:var(--blue);background:rgba(27,92,255,.08)}
.nav-cta{display:flex;align-items:center;gap:10px;flex:0 0 auto}
.nav-toggle{display:none;width:40px;height:36px;border:1.5px solid var(--line);background:#fff;border-radius:10px;padding:0;cursor:pointer;flex-direction:column;align-items:center;justify-content:center;gap:4px}
.nav-toggle span{display:block;width:18px;height:2px;border-radius:2px;background:var(--ink)}
/* hero */
.hero{position:relative;overflow:hidden;padding:52px 0 64px}
.hero-blob{position:absolute;border-radius:50%;pointer-events:none;z-index:0}
.hero-blob-a{width:300px;height:300px;left:-110px;bottom:-110px;background:radial-gradient(circle at 35% 35%,rgba(255,61,104,.38),rgba(255,61,104,0) 70%)}
.hero-blob-b{width:340px;height:340px;right:-120px;top:-90px;background:radial-gradient(circle at 60% 40%,rgba(27,92,255,.30),rgba(27,92,255,0) 70%)}
.hero-grid{position:relative;z-index:1;display:grid;grid-template-columns:1.12fr .88fr;gap:44px;align-items:center}
.eyebrow{display:inline-flex;align-items:center;gap:8px;background:#fff;border:1.5px solid var(--ink);border-radius:999px;padding:6px 15px;font-size:12.5px;font-weight:800;color:var(--ink);box-shadow:4px 4px 0 var(--pink)}
.eyebrow i{width:7px;height:7px;border-radius:50%;background:var(--mint);display:inline-block}
.hero h1{font-size:clamp(30px,4.6vw,50px);font-weight:800;margin:20px 0 16px;letter-spacing:-.02em;color:var(--ink)}
.hl-mark{background:linear-gradient(transparent 62%,rgba(255,196,46,.80) 62%);padding:0 2px}
.hl-blue{color:var(--blue)}
.hero-lead{font-size:16.5px;color:var(--ink2);max-width:600px}
.hero-actions{display:flex;flex-wrap:wrap;gap:14px;margin-top:26px}
.hero-note{margin-top:18px;font-size:13.5px;color:#5B6274;border-left:3px solid var(--mint);padding-left:12px}
.hero-panel{position:relative;background:#fff;border:2px solid var(--ink);border-radius:22px;padding:22px;box-shadow:10px 10px 0 rgba(27,92,255,.16)}
.panel-badge{position:absolute;top:-15px;right:14px;background:var(--pink);color:#fff;font-size:12px;font-weight:800;padding:5px 13px;border-radius:999px;box-shadow:0 8px 18px rgba(255,61,104,.32)}
.panel-title{display:flex;align-items:center;gap:8px;font-size:14px;font-weight:800;color:var(--ink)}
.panel-title i{width:8px;height:8px;border-radius:50%;background:var(--mint);display:inline-block}
.metric-list{display:grid;grid-template-columns:1fr 1fr;gap:11px;margin-top:14px}
.metric-list li{background:#F8F2E9;border-radius:12px;padding:11px 14px}
.metric-list strong{display:block;font-size:22px;line-height:1.2;color:var(--ink);font-weight:800}
.metric-list li:nth-child(1) strong{color:var(--blue)}
.metric-list li:nth-child(2) strong{color:var(--pink)}
.metric-list li:nth-child(3) strong{color:#0E9F8B}
.metric-list li:nth-child(4) strong{color:#B97B00}
.metric-list span{font-size:12.5px;color:var(--ink2)}
.chip-row{display:flex;flex-wrap:wrap;gap:8px;margin-top:16px}
.chip-row span{font-size:12.5px;padding:5px 11px;border-radius:999px;background:#fff;border:1px solid #E2D6C6;color:#3D4354;font-weight:700}
/* about */
.about-grid{display:grid;grid-template-columns:1fr 1fr;gap:34px;align-items:start}
.about-text p{color:var(--ink2);font-size:15.5px;margin-bottom:14px}
.about-tags{display:flex;flex-wrap:wrap;gap:10px;margin-top:18px}
.about-tags span{font-size:13px;font-weight:700;padding:6px 13px;border-radius:8px;background:#FFF1F4;color:#C42148;border:1px solid #FFD3DD}
.about-cards{display:grid;grid-template-columns:1fr 1fr;gap:16px}
.about-card{background:#FBF6EF;border:1px solid var(--line);border-radius:16px;padding:20px;transition:transform .2s ease,box-shadow .2s ease,border-color .2s ease}
.about-card:hover{transform:translateY(-4px);box-shadow:0 16px 30px rgba(20,24,33,.09);border-color:var(--blue)}
.about-card h3{font-size:15.5px;font-weight:800;margin-bottom:7px;color:var(--ink)}
.about-card p{font-size:13.5px;color:var(--ink2)}
/* services */
.svc-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:20px}
.svc-card{position:relative;background:#fff;border:1px solid var(--line);border-radius:18px;padding:24px 22px;overflow:hidden;transition:transform .2s ease,box-shadow .2s ease,border-color .2s ease}
.svc-card::after{content:"";position:absolute;left:0;top:0;width:100%;height:4px;background:var(--blue)}
.svc-card:nth-child(2)::after{background:var(--pink)}
.svc-card:nth-child(3)::after{background:var(--yellow)}
.svc-card:nth-child(4)::after{background:var(--mint)}
.svc-card:nth-child(5)::after{background:#8B5CF6}
.svc-card:nth-child(6)::after{background:#FF7A1A}
.svc-card:hover{transform:translateY(-5px);box-shadow:0 20px 36px rgba(20,24,33,.10);border-color:#D9CBB9}
.svc-num{display:inline-block;font-size:12px;font-weight:800;color:#fff;background:var(--ink);border-radius:6px;padding:2px 9px;margin-bottom:12px}
.svc-card h3{font-size:17px;font-weight:800;margin-bottom:8px}
.svc-card p{font-size:14px;color:var(--ink2)}
/* scene */
.scene-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:16px}
.scene-card{background:#fff;border:1px solid var(--line);border-radius:14px;padding:16px 18px;transition:transform .2s ease,border-color .2s ease,box-shadow .2s ease}
.scene-card:hover{transform:translateY(-3px);border-color:var(--blue);box-shadow:0 12px 24px rgba(27,92,255,.10)}
.scene-card h3{font-size:15px;font-weight:800;margin-bottom:4px}
.scene-card p{font-size:13px;color:var(--ink2);line-height:1.6}
.model-block{margin-top:36px;background:#fff;border:1px solid var(--line);border-radius:18px;padding:26px}
.model-block h3{font-size:17px;font-weight:800;margin-bottom:6px}
.model-block>p{font-size:14px;color:var(--ink2);margin-bottom:16px}
.model-cloud{display:flex;flex-wrap:wrap;gap:9px}
.model-cloud span{font-size:13px;font-weight:700;padding:6px 13px;border-radius:999px;background:#FBF6EF;border:1px solid #E4D8C8;color:#333A49;transition:background .18s ease,color .18s ease,border-color .18s ease}
.model-cloud span:hover{background:var(--blue);border-color:var(--blue);color:#fff}
/* industry */
.ind-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:20px}
.ind-card{background:#fff;border:1px solid var(--line);border-radius:18px;padding:24px;transition:transform .2s ease,box-shadow .2s ease}
.ind-card:hover{transform:translateY(-4px);box-shadow:0 18px 32px rgba(20,24,33,.09)}
.ind-mark{width:40px;height:40px;border-radius:12px;display:grid;place-items:center;font-weight:800;color:#fff;font-size:15px;background:var(--blue);margin-bottom:14px}
.ind-card:nth-child(2) .ind-mark{background:var(--pink)}
.ind-card:nth-child(3) .ind-mark{background:#0E9F8B}
.ind-card:nth-child(4) .ind-mark{background:#B97B00}
.ind-card:nth-child(5) .ind-mark{background:#8B5CF6}
.ind-card:nth-child(6) .ind-mark{background:#FF7A1A}
.ind-card h3{font-size:17px;font-weight:800;margin-bottom:8px}
.ind-card p{font-size:14px;color:var(--ink2)}
/* network */
.net-grid{display:grid;grid-template-columns:repeat(4,1fr);gap:18px;margin-top:8px}
.net-card{background:#fff;border:1px solid var(--line);border-radius:16px;padding:22px 20px;transition:transform .2s ease,border-color .2s ease}
.net-card:hover{transform:translateY(-3px);border-color:var(--pink)}
.net-card h3{font-size:15.5px;font-weight:800;margin-bottom:6px;color:var(--ink)}
.net-card p{font-size:13.5px;color:var(--ink2)}
.net-card strong{color:var(--blue);font-weight:800}
/* process */
.timeline{display:grid;grid-template-columns:repeat(5,1fr);gap:16px}
.step{background:#fff;border:1px solid var(--line);border-radius:16px;padding:20px;position:relative;transition:transform .2s ease,box-shadow .2s ease}
.step:hover{transform:translateY(-4px);box-shadow:0 16px 28px rgba(20,24,33,.09)}
.step-num{width:34px;height:34px;border-radius:10px;display:grid;place-items:center;font-weight:800;color:#fff;background:var(--blue);margin-bottom:12px;font-size:15px}
.step:nth-child(2) .step-num{background:var(--pink)}
.step:nth-child(3) .step-num{background:#0E9F8B}
.step:nth-child(4) .step-num{background:#B97B00}
.step:nth-child(5) .step-num{background:#8B5CF6}
.step h3{font-size:15.5px;font-weight:800;margin-bottom:6px}
.step p{font-size:13.5px;color:var(--ink2)}
/* cases */
.case-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:20px;align-items:start}
.case-card{background:#fff;border:1px solid var(--line);border-radius:16px;overflow:hidden;transition:transform .22s ease,box-shadow .22s ease}
.case-card:hover{transform:translateY(-5px);box-shadow:0 20px 36px rgba(20,24,33,.12)}
.case-card img{width:100%;height:auto;background:#F4EEE5}
.case-body{padding:14px 16px 16px}
.case-body h3{font-size:15px;font-weight:800;margin-bottom:4px}
.case-body p{font-size:13px;color:var(--ink2)}
/* compare */
.compare-grid{display:grid;grid-template-columns:320px 1fr;gap:26px;align-items:start}
.score-card{background:#141821;border-radius:20px;padding:28px 26px;color:#F5F2EC;box-shadow:10px 10px 0 rgba(255,61,104,.22)}
.score-card h3{font-size:16px;color:#fff;margin-bottom:14px;font-weight:800}
.stars{color:var(--yellow);font-size:20px;letter-spacing:3px;line-height:1}
.score-num{font-size:52px;font-weight:800;line-height:1.1;margin:12px 0 2px;color:#fff}
.score-num small{font-size:16px;font-weight:700;color:#C9CED8;margin-left:4px}
.score-card p{font-size:13.5px;color:#C9CED8;margin-top:10px}
.score-label{display:inline-block;margin-top:16px;font-size:12.5px;font-weight:800;color:#141821;background:var(--yellow);border-radius:999px;padding:5px 14px}
.table-wrap{overflow-x:auto;border:1px solid var(--line);border-radius:16px;background:#fff}
table{width:100%;border-collapse:collapse;min-width:620px;font-size:14.5px}
thead th{background:#141821;color:#fff;text-align:left;padding:14px 16px;font-weight:800;font-size:14px;white-space:nowrap}
tbody td{padding:13px 16px;border-top:1px solid var(--line);color:var(--ink2);vertical-align:top}
tbody td:first-child{color:var(--ink);font-weight:700}
tbody tr:nth-child(even){background:#FDF9F4}
.tick{color:#0E9F8B;font-weight:800}
/* token */
.token-grid{display:grid;grid-template-columns:1.25fr .75fr;gap:26px;align-items:start}
.token-side{display:grid;gap:14px}
.token-side .mini-card{background:#fff;border:1px solid var(--line);border-left:4px solid var(--pink);border-radius:14px;padding:18px 20px;transition:transform .2s ease,box-shadow .2s ease}
.token-side .mini-card:nth-child(2){border-left-color:var(--blue)}
.token-side .mini-card:nth-child(3){border-left-color:var(--mint)}
.token-side .mini-card:hover{transform:translateY(-3px);box-shadow:0 14px 26px rgba(20,24,33,.08)}
.token-side h3{font-size:15px;font-weight:800;margin-bottom:4px}
.token-side p{font-size:13.5px;color:var(--ink2)}
.table-note{margin-top:14px;font-size:13px;color:#5B6274}
/* reviews */
.review-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:20px}
.review-card{background:#fff;border:1px solid var(--line);border-radius:18px;padding:24px;position:relative;transition:transform .2s ease,box-shadow .2s ease}
.review-card:hover{transform:translateY(-4px);box-shadow:0 18px 32px rgba(20,24,33,.09)}
.review-card::before{content:"”";position:absolute;top:6px;right:18px;font-size:52px;line-height:1;color:rgba(27,92,255,.14);font-family:Georgia,serif}
.review-top{display:flex;align-items:center;gap:12px;margin-bottom:14px}
.avatar{width:42px;height:42px;border-radius:50%;display:grid;place-items:center;font-weight:800;color:#fff;background:var(--blue);flex:0 0 auto}
.review-card:nth-child(2) .avatar{background:var(--pink)}
.review-card:nth-child(3) .avatar{background:#0E9F8B}
.review-card:nth-child(4) .avatar{background:#B97B00}
.review-card:nth-child(5) .avatar{background:#8B5CF6}
.review-card:nth-child(6) .avatar{background:#FF7A1A}
.review-top strong{display:block;font-size:14.5px;color:var(--ink)}
.role{font-size:12.5px;color:#6B7280}
.review-text{font-size:14px;color:var(--ink2);line-height:1.75}
/* faq */
.faq-grid{display:grid;grid-template-columns:1fr 1fr;gap:14px;align-items:start}
.faq-item{background:#fff;border:1px solid var(--line);border-radius:14px;overflow:hidden;transition:border-color .2s ease,box-shadow .2s ease}
.faq-item[open]{border-color:var(--blue);box-shadow:0 12px 24px rgba(27,92,255,.10)}
.faq-item summary{display:flex;align-items:center;justify-content:space-between;gap:14px;padding:16px 18px;font-size:14.5px;font-weight:800;color:var(--ink);cursor:pointer;list-style:none}
.faq-item summary::-webkit-details-marker{display:none}
.faq-item summary::after{content:"+";font-size:20px;font-weight:800;color:var(--blue);line-height:1;flex:0 0 auto}
.faq-item[open] summary::after{content:"−"}
.faq-item[open] summary{color:var(--blue)}
.faq-body{padding:0 18px 16px;font-size:13.5px;color:var(--ink2);line-height:1.75}
/* articles */
.article-list{display:grid;gap:14px}
.article-item{display:grid;grid-template-columns:54px 1fr auto;gap:18px;align-items:center;background:#fff;border:1px solid var(--line);border-radius:14px;padding:16px 20px;transition:transform .2s ease,border-color .2s ease,box-shadow .2s ease}
.article-item:hover{transform:translateX(4px);border-color:var(--pink);box-shadow:0 14px 26px rgba(20,24,33,.08)}
.article-num{width:44px;height:44px;border-radius:12px;display:grid;place-items:center;font-weight:800;color:#fff;background:var(--blue);font-size:14px}
.article-item:nth-child(2) .article-num{background:var(--pink)}
.article-item:nth-child(3) .article-num{background:#0E9F8B}
.article-item:nth-child(4) .article-num{background:#B97B00}
.article-item:nth-child(5) .article-num{background:#8B5CF6}
.article-item h3{font-size:15.5px;font-weight:800;margin-bottom:3px}
.article-item p{font-size:13px;color:var(--ink2)}
.article-link{font-size:13.5px;font-weight:800;color:var(--blue);white-space:nowrap;border-bottom:2px solid rgba(27,92,255,.3);padding-bottom:1px}
.article-link:hover{color:var(--pink);border-color:rgba(255,61,104,.4)}
/* join */
.join-grid{display:grid;grid-template-columns:1fr 1fr;gap:32px;align-items:start}
.join-points{display:grid;gap:12px;margin-top:18px}
.join-points li{position:relative;padding-left:26px;font-size:14.5px;color:var(--ink2)}
.join-points li::before{content:"";position:absolute;left:0;top:9px;width:10px;height:10px;border-radius:3px;background:var(--pink)}
.join-cards{display:grid;gap:16px}
.join-card{background:#fff;border:1px solid var(--line);border-radius:16px;padding:22px;transition:transform .2s ease,box-shadow .2s ease}
.join-card:hover{transform:translateY(-4px);box-shadow:0 16px 30px rgba(20,24,33,.09)}
.join-card h3{font-size:16px;font-weight:800;margin-bottom:6px}
.join-card p{font-size:13.5px;color:var(--ink2)}
/* contact */
.contact-grid{display:grid;grid-template-columns:1.1fr .9fr;gap:32px;align-items:start}
.form-card{background:#fff;border:1px solid var(--line);border-radius:20px;padding:28px}
.form-grid{display:grid;grid-template-columns:1fr 1fr;gap:16px}
.field{display:flex;flex-direction:column}
.field-full{grid-column:1/-1}
.field label{font-size:13px;font-weight:800;color:var(--ink);margin-bottom:6px}
.field input,.field select,.field textarea{width:100%;padding:11px 14px;border:1.5px solid #E0D5C6;border-radius:10px;background:#fff;font-size:14.5px;font-family:inherit;color:var(--ink);transition:border-color .18s ease,box-shadow .18s ease}
.field input::placeholder,.field textarea::placeholder{color:#9AA0AE}
.field input:focus,.field select:focus,.field textarea:focus{outline:none;border-color:var(--blue);box-shadow:0 0 0 3px rgba(27,92,255,.14)}
.field textarea{resize:vertical;min-height:112px}
.form-actions{margin-top:20px;display:flex;flex-wrap:wrap;align-items:center;gap:14px}
.form-tip{font-size:12.5px;color:#6B7280}
.info-card{background:#fff;border:1px solid var(--line);border-radius:20px;padding:26px}
.info-card h3{font-size:17px;font-weight:800;margin-bottom:14px}
.info-list{display:grid;gap:12px}
.info-list li{display:flex;gap:10px;font-size:14px;color:var(--ink2);align-items:flex-start}
.info-list li b{color:var(--ink);font-weight:800;flex:0 0 84px}
.qr-box{margin-top:20px;padding-top:20px;border-top:1px dashed var(--line);display:flex;gap:16px;align-items:center}
.qr-box img{width:132px;height:auto;border-radius:12px;border:1px solid var(--line)}
.qr-box p{font-size:13px;color:var(--ink2)}
/* footer */
.site-footer{background:#141821;color:#C9CED8;padding:46px 0 26px;margin-top:0}
.footer-top{display:grid;grid-template-columns:1.2fr .8fr;gap:26px;align-items:start;padding-bottom:24px;border-bottom:1px solid rgba(255,255,255,.10)}
.footer-brand strong{display:block;color:#fff;font-size:18px;font-weight:800;margin-bottom:8px}
.footer-brand p{font-size:13.5px;color:#B9BFC9;max-width:460px}
.footer-nav{display:flex;flex-wrap:wrap;gap:18px;justify-content:flex-start}
.footer-nav a{font-size:13.5px;color:#E7E3DC;font-weight:700;border-bottom:1px solid transparent;padding-bottom:2px}
.footer-nav a:hover{color:var(--yellow);border-color:var(--yellow)}
.footer-friend{display:flex;flex-wrap:wrap;align-items:center;gap:12px;padding:20px 0;border-bottom:1px solid rgba(255,255,255,.10)}
.friend-label{font-size:13px;font-weight:800;color:#fff;padding:4px 12px;border-radius:999px;background:rgba(255,255,255,.10)}
.friend-links{display:flex;flex-wrap:wrap;gap:16px}
.friend-links a{font-size:13px;color:#B9BFC9}
.friend-links a:hover{color:var(--yellow)}
.footer-copy{padding-top:20px;display:flex;flex-wrap:wrap;justify-content:space-between;gap:10px;font-size:12.5px;color:#9EA6B4}
/* float */
.float-widget{position:fixed;right:18px;bottom:88px;z-index:80}
.float-panel{position:absolute;right:0;bottom:60px;width:230px;background:#fff;border:1px solid var(--line);border-radius:16px;padding:16px;box-shadow:0 20px 40px rgba(20,24,33,.18);opacity:0;visibility:hidden;transform:translateY(8px);transition:opacity .2s ease,transform .2s ease,visibility .2s}
.float-widget.open .float-panel{opacity:1;visibility:visible;transform:translateY(0)}
.float-panel h4{font-size:14px;font-weight:800;color:var(--ink);margin-bottom:10px}
.float-panel p{font-size:13px;color:var(--ink2);margin-bottom:6px}
.float-panel p b{color:var(--ink)}
.float-btn{width:52px;height:52px;border-radius:50%;border:none;background:var(--pink);color:#fff;font-size:22px;font-weight:800;cursor:pointer;box-shadow:0 12px 24px rgba(255,61,104,.36);display:grid;place-items:center;transition:transform .18s ease}
.float-btn:hover{transform:scale(1.06)}
.to-top{position:fixed;right:18px;bottom:22px;z-index:80;width:52px;height:52px;border-radius:50%;border:2px solid #fff;background:var(--blue);color:#fff;font-size:16px;font-weight:800;cursor:pointer;display:grid;place-items:center;box-shadow:0 12px 24px rgba(27,92,255,.32);opacity:0;visibility:hidden;transform:translateY(10px);transition:opacity .22s ease,transform .22s ease,visibility .22s}
.to-top.show{opacity:1;visibility:visible;transform:translateY(0)}
/* reveal */
.js .reveal{opacity:0;transform:translateY(18px);transition:opacity .6s ease,transform .6s ease}
.js .reveal.in{opacity:1;transform:none}
@media (prefers-reduced-motion: reduce){
html{scroll-behavior:auto}
.js .reveal{opacity:1;transform:none;transition:none}
}
/* responsive */
@media (max-width:1024px){
.nav-links{display:none;position:absolute;top:100%;left:0;right:0;flex-direction:column;align-items:stretch;background:#fff;border-top:1px solid var(--line);border-bottom:1px solid var(--line);box-shadow:0 18px 32px rgba(20,24,33,.12);padding:6px 0;max-height:70vh;overflow-y:auto}
.nav-links.open{display:flex}
.nav-links a{padding:12px 24px;font-size:15px;border-radius:0}
.nav-toggle{display:flex}
.hero-grid{grid-template-columns:1fr;gap:34px}
.compare-grid{grid-template-columns:1fr}
.token-grid{grid-template-columns:1fr}
.about-grid{grid-template-columns:1fr;gap:26px}
.join-grid{grid-template-columns:1fr;gap:24px}
.contact-grid{grid-template-columns:1fr;gap:24px}
.svc-grid,.scene-grid,.ind-grid,.review-grid,.case-grid{grid-template-columns:repeat(2,1fr)}
.net-grid{grid-template-columns:repeat(2,1fr)}
.timeline{grid-template-columns:repeat(3,1fr)}
.footer-top{grid-template-columns:1fr}
}
@media (max-width:680px){
.sec{padding:46px 0}
.hero{padding:36px 0 48px}
.hero-panel{padding:18px}
.brand-text{font-size:16px}
.nav-bar{padding:10px 20px}
.hero-actions .btn{flex:1 1 auto}
.svc-grid,.scene-grid,.ind-grid,.review-grid,.case-grid,.net-grid{grid-template-columns:1fr}
.timeline{grid-template-columns:1fr}
.faq-grid{grid-template-columns:1fr}
.form-grid{grid-template-columns:1fr}
.article-item{grid-template-columns:44px 1fr;gap:14px}
.article-link{grid-column:1/-1;justify-self:start}
.metric-list{grid-template-columns:1fr 1fr}
.score-card{padding:24px 20px}
.footer-nav{gap:14px}
.float-widget{right:14px;bottom:82px}
.to-top{right:14px;bottom:18px}
.qr-box{flex-direction:column;align-items:flex-start}
}