:root{
    --primary:#2980FE;
    --primary-dark:#1669db;
    --text:#1f2937;
    --muted:#64748b;
    --line:#e5eaf3;
    --soft:#f6f8fc;
    --blue-soft:#eef6ff;
    --white:#ffffff;
    --shadow:0 18px 48px rgba(20,49,90,.08);
    --radius:26px;
}
*{box-sizing:border-box}
html{scroll-behavior:smooth}
body{margin:0;font-family:-apple-system,BlinkMacSystemFont,"Segoe UI","PingFang TC","Noto Sans TC","Microsoft JhengHei",Arial,sans-serif;color:var(--text);background:linear-gradient(180deg,#fff 0%,#f7faff 100%);line-height:1.72;overflow-x:hidden}
a{color:inherit;text-decoration:none}
img{max-width:100%;height:auto;display:block}
.container{width:min(1120px,calc(100% - 32px));margin:0 auto}
.site-header{position:sticky;top:0;z-index:50;background:rgba(255,255,255,.92);backdrop-filter:blur(16px);border-bottom:1px solid rgba(229,234,243,.8)}
.header-inner{min-height:74px;display:flex;align-items:center;justify-content:space-between;gap:18px}
.brand,.footer-brand{display:inline-flex;align-items:center;gap:10px;font-weight:800;letter-spacing:.02em;color:#162033}.logo,.footer-brand img{width:38px;height:38px;object-fit:contain}.main-nav{display:none;position:absolute;left:16px;right:16px;top:74px;background:var(--white);border:1px solid var(--line);border-radius:22px;box-shadow:var(--shadow);padding:12px}.main-nav a{display:block;padding:11px 13px;border-radius:14px;color:#475569;font-size:15px}.main-nav a.active,.main-nav a:hover{background:var(--blue-soft);color:var(--primary)}.nav-toggle{position:absolute;opacity:0;pointer-events:none}.nav-toggle-label{width:42px;height:42px;border:1px solid var(--line);border-radius:14px;display:grid;place-content:center;gap:5px;background:#fff}.nav-toggle-label span{width:18px;height:2px;background:#203047;border-radius:99px;display:block}.nav-toggle:checked~.main-nav{display:block}
section{padding:58px 0}.eyebrow,.category-badge{display:inline-flex;align-items:center;gap:8px;padding:7px 12px;border:1px solid rgba(41,128,254,.18);border-radius:999px;background:rgba(41,128,254,.08);color:var(--primary);font-weight:700;font-size:14px}.section-head{max-width:760px;margin-bottom:24px}.section-head.center{text-align:center;margin-left:auto;margin-right:auto}.section-head h2,.page-hero h1,.hero-copy h1{margin:12px 0 12px;line-height:1.13;color:#142033}.section-head h2{font-size:clamp(28px,5vw,44px)}.section-head p,.page-hero p,.hero-copy p{color:var(--muted);font-size:17px}.download-btn{display:inline-flex;align-items:center;justify-content:center;min-height:48px;padding:13px 22px;border-radius:999px;background:var(--primary);color:#fff!important;font-weight:800;box-shadow:0 14px 30px rgba(41,128,254,.28);transition:.2s ease}.download-btn:hover{transform:translateY(-2px);background:var(--primary-dark)}.link-arrow{display:inline-flex;align-items:center;font-weight:800;color:var(--primary);margin-top:10px}.link-arrow:after{content:"→";margin-left:6px}.tag-row,.hero-tags{display:flex;flex-wrap:wrap;gap:10px}.tag-row span,.hero-tags span{padding:8px 12px;border-radius:999px;background:#fff;border:1px solid var(--line);color:#46556a;font-size:14px}.web3-hero{padding:64px 0 42px;position:relative;overflow:hidden}.web3-hero:before{content:"";position:absolute;inset:-120px -160px auto auto;width:420px;height:420px;border-radius:50%;background:radial-gradient(circle,rgba(41,128,254,.18),transparent 68%);pointer-events:none}.hero-grid{display:grid;gap:34px;align-items:center}.hero-copy h1{font-size:clamp(38px,9vw,68px);letter-spacing:-.045em}.hero-actions{display:flex;align-items:center;gap:16px;flex-wrap:wrap;margin:26px 0}.hero-visual{position:relative;background:linear-gradient(145deg,#fff,#eef6ff);border:1px solid var(--line);border-radius:34px;padding:28px;box-shadow:var(--shadow);min-height:360px;display:grid;place-content:center}.hero-visual:after{content:"";position:absolute;inset:18px;border-radius:28px;border:1px dashed rgba(41,128,254,.22)}.hero-visual img{max-height:390px;margin:auto;filter:drop-shadow(0 28px 38px rgba(31,46,80,.16))}.float-label{position:absolute;z-index:2;padding:9px 13px;border-radius:999px;background:rgba(255,255,255,.94);border:1px solid var(--line);box-shadow:0 10px 24px rgba(22,38,66,.08);font-weight:800;color:#253044;font-size:13px}.float-label.one{left:18px;top:28px}.float-label.two{right:22px;top:72px}.float-label.three{left:26px;bottom:84px}.float-label.four{right:24px;bottom:34px}.ecosystem-nav{padding-top:20px}.ecosystem-grid,.card-grid,.risk-grid,.faq-grid,.feature-grid{display:grid;gap:16px}.ecosystem-card,.info-card,.risk-card,.faq-item,.step-card,.mini-card{background:#fff;border:1px solid var(--line);border-radius:var(--radius);padding:22px;box-shadow:0 12px 28px rgba(20,49,90,.05)}.ecosystem-card{position:relative;overflow:hidden;min-height:170px}.ecosystem-card:before{content:"";position:absolute;left:0;top:0;width:100%;height:4px;background:linear-gradient(90deg,var(--primary),rgba(41,128,254,.12))}.ecosystem-card .num{display:inline-flex;width:34px;height:34px;border-radius:12px;background:var(--blue-soft);color:var(--primary);align-items:center;justify-content:center;font-weight:900}.ecosystem-card h3,.info-card h3,.risk-card h3,.step-card h3,.mini-card h3{margin:14px 0 8px;color:#182336}.ecosystem-card p,.info-card p,.risk-card p,.step-card p,.mini-card p{margin:0;color:var(--muted)}.split-section{display:grid;gap:28px;align-items:center;padding:32px;border-radius:34px;border:1px solid var(--line);background:#fff;box-shadow:var(--shadow)}.split-section.alt{background:linear-gradient(135deg,#f6f9ff,#fff)}.split-section.reverse .media{order:-1}.media{position:relative;border-radius:30px;background:linear-gradient(145deg,#eef6ff,#fff);padding:18px;border:1px solid var(--line)}.media img{border-radius:22px;margin:auto;max-height:360px;object-fit:contain}.bullet-list{padding:0;margin:18px 0;list-style:none;display:grid;gap:10px}.bullet-list li{display:flex;gap:10px;color:#46556a}.bullet-list li:before{content:"";width:9px;height:9px;border-radius:50%;background:var(--primary);flex:0 0 9px;margin-top:10px}.privacy-section .privacy-panel,.submit-chain-section .submit-panel,.developer-center-section .developer-panel{background:linear-gradient(135deg,#fff,#f2f7ff);border:1px solid var(--line);border-radius:34px;padding:28px;box-shadow:var(--shadow)}.privacy-cards,.submit-cards{display:grid;gap:14px;margin-top:20px}.developer-wrap{display:grid;gap:22px;align-items:stretch}.code-panel{background:#162033;color:#d8e8ff;border-radius:26px;padding:22px;overflow:hidden;box-shadow:0 24px 54px rgba(18,32,51,.14)}.code-panel pre{white-space:pre-wrap;margin:0;font-size:14px;line-height:1.65}.code-panel .code-title{color:#8fc2ff;font-weight:800;margin-bottom:12px}.process-steps{display:grid;gap:16px;counter-reset:step}.step-card{position:relative;padding-left:76px}.step-card:before{counter-increment:step;content:counter(step,decimal-leading-zero);position:absolute;left:22px;top:22px;width:40px;height:40px;border-radius:14px;background:var(--primary);color:#fff;display:grid;place-items:center;font-weight:900}.risk-card{border-left:4px solid var(--primary)}.risk-card strong{display:block;color:#162033;margin-top:12px}.cta-section{padding:68px 0;background:linear-gradient(135deg,#f3f8ff,#fff)}.cta-box{text-align:center;border:1px solid var(--line);border-radius:34px;background:#fff;padding:36px 22px;box-shadow:var(--shadow)}.cta-box h2{margin:0 0 10px;font-size:clamp(28px,5vw,44px)}.cta-box p{color:var(--muted);max-width:680px;margin:0 auto 22px}.site-footer{background:#f7f9fd;border-top:1px solid var(--line);padding:44px 0 20px}.footer-grid{display:grid;gap:24px}.site-footer p{color:var(--muted);margin:12px 0 0}.site-footer h3{font-size:16px;margin:0 0 12px}.site-footer a:not(.footer-brand){display:block;color:#526173;margin:7px 0}.footer-bottom{border-top:1px solid var(--line);margin-top:26px;padding-top:18px;color:#718096;font-size:14px}.page-hero{padding:58px 0 34px;background:radial-gradient(circle at 100% 0,rgba(41,128,254,.12),transparent 36%),linear-gradient(180deg,#fff,#f7faff)}.page-hero h1{font-size:clamp(34px,7vw,56px);letter-spacing:-.035em}.page-shell{padding:34px 0 66px}.page-layout{display:grid;gap:24px}.article-card{background:#fff;border:1px solid var(--line);border-radius:34px;padding:28px;box-shadow:var(--shadow)}.article-card h2{font-size:26px;line-height:1.22;margin:0 0 12px}.article-card p{color:#4b5870;margin:0 0 16px}.aside-panel{display:grid;gap:14px}.notice-box{background:var(--blue-soft);border:1px solid rgba(41,128,254,.18);border-radius:24px;padding:20px;color:#405069}.checklist{padding:0;margin:0;list-style:none;display:grid;gap:12px}.checklist li{background:#fff;border:1px solid var(--line);border-radius:18px;padding:14px 16px;color:#46556a}.download-row{margin-top:24px}.download-page-steps{display:grid;gap:14px;margin:22px 0}.download-step{display:flex;gap:14px;align-items:flex-start;background:#fff;border:1px solid var(--line);border-radius:22px;padding:16px}.download-step span{width:34px;height:34px;border-radius:13px;background:var(--primary);color:#fff;display:grid;place-items:center;font-weight:900;flex:0 0 auto}.faq-list{display:grid;gap:14px}.faq-item h2,.faq-item h3{margin:0 0 8px;font-size:20px}.faq-item p{margin:0;color:var(--muted)}.about-values{display:grid;gap:16px;margin-top:20px}.soft-band{background:var(--soft);border-radius:34px;padding:30px;border:1px solid var(--line)}
@media (min-width:640px){.ecosystem-grid{grid-template-columns:repeat(2,1fr)}.card-grid,.risk-grid,.faq-grid,.privacy-cards,.submit-cards,.feature-grid{grid-template-columns:repeat(2,1fr)}.process-steps{grid-template-columns:repeat(2,1fr)}}
@media (min-width:900px){.nav-toggle-label{display:none}.main-nav{display:flex;position:static;background:transparent;border:0;box-shadow:none;padding:0;align-items:center;gap:2px}.main-nav a{padding:9px 11px;font-size:14px}.hero-grid{grid-template-columns:1.05fr .95fr}.web3-hero{padding:86px 0 54px}.ecosystem-grid{grid-template-columns:repeat(4,1fr)}.split-section{grid-template-columns:1fr 1fr;padding:42px}.split-section.reverse .media{order:2}.developer-wrap{grid-template-columns:1fr 1fr}.process-steps{grid-template-columns:repeat(3,1fr)}.risk-grid{grid-template-columns:repeat(3,1fr)}.faq-grid{grid-template-columns:repeat(2,1fr)}.footer-grid{grid-template-columns:2fr 1fr 1fr 1fr}.page-layout{grid-template-columns:minmax(0,1fr) 330px}.article-card{padding:36px}.about-values{grid-template-columns:repeat(3,1fr)}}
@media (min-width:1120px){.main-nav a{padding:10px 13px}.hero-visual{min-height:520px}.ecosystem-grid.bento{grid-template-columns:1.2fr 1fr 1fr 1fr}.ecosystem-grid.bento .ecosystem-card:first-child{grid-row:span 2}.process-steps{grid-template-columns:repeat(6,1fr)}.step-card{padding:72px 18px 22px}.step-card:before{left:18px;top:18px}}
@media (max-width:430px){.container{width:min(100% - 24px,1120px)}section{padding:44px 0}.hero-visual{min-height:320px;padding:18px}.float-label{font-size:12px;padding:7px 10px}.header-inner{min-height:66px}.main-nav{top:66px}.split-section,.article-card{border-radius:26px;padding:22px}.download-btn{width:100%}.hero-actions .download-btn{width:auto}.step-card{padding-left:68px}}