/* Seahon — clean technology / editorial layout */
:root{
 --bg:#f7f8fa;--bg-elevated:#edf1f6;--bg-card:#fff;--bg-card-hover:#fff;
 --text-primary:#11243b;--text-secondary:#596779;--text-tertiary:#6d7b8e;
 --accent:#1763de;--accent-bright:#1763de;--accent-cyan:#1763de;
 --gradient-hero:linear-gradient(100deg,#16334f,#1763de);
 --gradient-accent:linear-gradient(110deg,#1763de,#1763de);
 --gradient-dark:linear-gradient(120deg,#101e33,#172e49);
 --border:#dde3ec;--radius:12px;--radius-lg:16px;--radius-xl:20px;
 --shadow-glow:0 8px 24px rgba(17,36,59,.12);
 --font:'Inter','PingFang SC','Microsoft YaHei',sans-serif;
 --font-display:'Inter','PingFang SC','Microsoft YaHei',sans-serif;
}
body{background:#f7f8fa}.ambient{display:none}
.container{max-width:1200px;padding:0 32px}
.navbar,.navbar.scrolled{padding:18px 0;background:rgba(247,248,250,.96);border-bottom:1px solid rgba(17,36,59,.08);box-shadow:none;backdrop-filter:blur(16px)}
.nav-brand-text,.navbar.scrolled .nav-brand-text{color:#11243b;font-size:20px;letter-spacing:-.5px}
.nav-brand-icon{width:34px;height:34px}.nav-brand-icon img{filter:none}
.nav-links{gap:0}.nav-links a,.navbar.scrolled .nav-links a{color:#596779;padding:8px 9px;font-size:12px;border-radius:6px}
.nav-links a:hover,.navbar.scrolled .nav-links a:hover{color:#1763de;background:#eaf0f8}
.nav-cta{padding:11px 19px;background:#11243b;border-radius:7px;box-shadow:none;font-size:12px}
.nav-cta:hover{box-shadow:none;transform:none;background:#1763de}
.nav-cta::before,.btn-primary::before{display:none}
.mobile-toggle span,.navbar.scrolled .mobile-toggle span{background:#11243b}
.hero{min-height:auto;background:#f7f8fa;padding:156px 0 0;overflow:visible}
.hero::before,.hero::after{display:none}
.hero>.container{display:grid;grid-template-columns:1.1fr 1fr;gap:56px 64px;align-items:center}
.hero-content{max-width:none;margin:0;text-align:left}
.hero-pill{padding:7px 10px 7px 12px;gap:9px;margin-bottom:28px;background:#edf2f8;border:1px solid #dce4ee;color:#52677e;box-shadow:none;font-size:12px;backdrop-filter:none}
.hero-pill:hover{background:#edf2f8;border-color:#dce4ee;box-shadow:none}
.hero-pill-dot{width:6px;height:6px;background:#1763de;box-shadow:none;animation:none}
.hero-pill-badge{padding:3px 8px;background:#fff;color:#1763de;border:0;font-size:10px}
.hero h1{font-size:clamp(38px,4.5vw,62px);line-height:1.22;letter-spacing:-.045em;color:#11243b;text-shadow:none;margin-bottom:24px;font-weight:750}
.gradient-text,.hero .gradient-text{background:none;-webkit-text-fill-color:currentColor;color:#1763de;animation:none}
.hero-desc{font-size:16px;color:#596779;line-height:1.95;margin:0 0 32px;max-width:490px}
.hero-actions{justify-content:flex-start;gap:12px}
.btn{border-radius:7px;padding:15px 24px;font-size:14px;gap:8px}
.btn-primary{background:#1763de;box-shadow:0 5px 12px rgba(23,99,222,.14)}
.btn-primary:hover{background:#1253be;box-shadow:0 7px 18px rgba(23,99,222,.2);transform:translateY(-2px)}
.btn-ghost{color:#11243b;background:transparent;border:1px solid #cbd5e1;box-shadow:none}
.btn-ghost:hover{color:#1763de;background:#edf2f8;border-color:#aabbd0;box-shadow:none;transform:translateY(-2px)}
.hero-metrics{grid-column:1/-1;grid-template-columns:repeat(4,1fr);gap:0;margin:0;background:#fff;border:1px solid #dde3ec;border-radius:12px;box-shadow:0 6px 22px rgba(17,36,59,.035);backdrop-filter:none;overflow:hidden}
.metric{background:#fff;padding:26px 20px;border-right:1px solid #e6ebf2}.metric:last-child{border-right:0}.metric:hover{background:#f8fafc}
.metric-value{color:#11243b;background:none;-webkit-text-fill-color:currentColor;font-size:30px;letter-spacing:-1px;font-weight:650}
.metric-label{color:#6d7b8e;font-size:12px;margin-top:6px;letter-spacing:0}
.network-visual{position:relative;aspect-ratio:1.1;border-radius:20px;background:#10233b;overflow:hidden;isolation:isolate;box-shadow:0 18px 40px rgba(17,36,59,.12);color:#fff}
.network-visual::before{content:'';position:absolute;inset:0;background:linear-gradient(rgba(116,160,207,.07) 1px,transparent 1px),linear-gradient(90deg,rgba(116,160,207,.07) 1px,transparent 1px);background-size:32px 32px;mask-image:radial-gradient(ellipse,#000,transparent 85%)}
.network-caption{position:absolute;top:27px;left:28px;right:28px;display:flex;justify-content:space-between;font-size:10px;letter-spacing:2px;color:#a9bdd5;z-index:2}
.network-status{letter-spacing:.5px;display:flex;align-items:center;gap:7px}.network-status::before{content:'';width:5px;height:5px;background:#6fd3c7;border-radius:50%}
.network-visual svg{position:absolute;width:100%;height:100%;inset:0}
.network-visual .network-route{stroke-dasharray:6 9;animation:networkFlow 24s linear infinite}
.network-foot{position:absolute;bottom:27px;left:28px;right:28px;border-top:1px solid #ffffff20;padding-top:16px;display:flex;justify-content:space-between;align-items:end}
.network-foot strong{font-size:19px;letter-spacing:-.3px;font-weight:500}.network-foot span{font-size:10px;letter-spacing:1.5px;color:#a9bdd5}
@keyframes networkFlow{to{stroke-dashoffset:-150}}
section{padding:96px 0}#features{padding-top:96px;background:#f7f8fa}
.section-label{font-size:11px;letter-spacing:2px;color:#1763de;margin-bottom:16px}.section-label::before{width:20px;background:#1763de}
.section-title{font-size:clamp(28px,3.3vw,42px);line-height:1.35;letter-spacing:-1.2px;font-weight:700}
.section-desc{font-size:15px;line-height:1.9;color:#596779}.section-header{margin-bottom:44px}
.feature-cell,.step-card,.game-tile{background:#fff;border:1px solid #dde3ec;box-shadow:none;border-radius:12px}
.feature-cell{padding:32px 28px}.feature-cell:hover,.step-card:hover,.game-tile:hover{transform:translateY(-4px);box-shadow:0 10px 24px rgba(17,36,59,.06);border-color:#a9bdd5}
.feature-cell::before,.feature-cell::after{display:none}
.feature-icon-wrap{width:44px;height:44px;border-radius:10px;background:#edf2f8;color:#1763de;box-shadow:none;font-size:21px;margin-bottom:22px}
.feature-cell:hover .feature-icon-wrap{transform:none;box-shadow:none}
.feature-cell h3,.step-card h3{font-size:18px;letter-spacing:-.3px}.feature-cell p,.step-card p{font-size:14px;line-height:1.9}
.step-num{background:none;color:#1763de;-webkit-text-fill-color:currentColor;font-weight:600;font-size:38px}
.game-tile:hover{background:#f3f6fa}.game-tile .gn{color:#596779}
#box,#moonbox{background:#edf1f6!important}#box .container>div.reveal,#moonbox .container>div.reveal{gap:40px!important}
.speed-gauge{box-shadow:0 16px 40px rgba(17,36,59,.06)}
.cta-section{background:#11243b}.cta-section::before{opacity:.15}
.cta-section .btn-ghost{color:#fff;border-color:#ffffff40;background:transparent}.cta-section .gradient-text{color:#9fc6ff}
:focus-visible{outline:3px solid #1763de;outline-offset:5px}
@media(min-width:769px) and (max-width:1100px){.nav-links a{padding:8px 6px;font-size:11px}.hero>.container{gap:40px}.nav-cta{padding:10px 12px}.nav-brand-text{font-size:18px}}
@media(max-width:768px){
 .container{padding:0 24px}.navbar,.navbar.scrolled{padding:14px 0}
 .hero{padding:116px 0 0}.hero>.container{grid-template-columns:1fr;gap:36px}
 .hero-content{text-align:left}.hero h1{font-size:clamp(35px,7vw,50px);line-height:1.28}
 .hero-pill{margin-bottom:22px}.hero-desc{font-size:15px;margin-bottom:26px}
 .hero-actions{gap:10px}.btn{padding:14px 20px}.network-visual{aspect-ratio:1.25;max-width:540px;width:100%;margin:auto}
 .network-caption{top:22px;left:22px;right:22px;font-size:8px;letter-spacing:1px}.network-foot{left:22px;right:22px;bottom:22px}.network-foot strong{font-size:14px;white-space:nowrap}.network-foot span{font-size:8px;letter-spacing:.6px;white-space:nowrap}
 .hero-metrics{grid-template-columns:repeat(2,1fr);margin-top:0}.metric{padding:22px 14px}.metric:nth-child(2){border-right:0}.metric:nth-child(-n+2){border-bottom:1px solid #e6ebf2}.metric-value{font-size:26px}
 section{padding:64px 0}#features{padding-top:64px}.section-header{margin-bottom:32px}.section-title{font-size:28px}
 .features-grid{grid-template-columns:1fr;gap:14px}.feature-cell{padding:26px}.steps-grid{flex-direction:column}
 .nav-links.active{background:#f7f8fa;border:1px solid #dde3ec;box-shadow:0 16px 28px #11243b15}.nav-links.active a{color:#11243b;font-size:14px;padding:12px 16px}
 #box .container>div.reveal,#moonbox .container>div.reveal{grid-template-columns:1fr!important;gap:32px!important}
}
@media(prefers-reduced-motion:reduce){.network-visual .network-route{animation:none}}