:root{
  --primary:#2980FE;
  --primary-soft:#EAF3FF;
  --primary-light:#F4F9FF;
  --white:#ffffff;
  --bg:#F6F8FB;
  --bg-2:#EEF4FB;
  --text:#1D2633;
  --muted:#667085;
  --line:#E4EAF2;
  --card:#ffffff;
  --shadow:0 18px 48px rgba(20,53,101,.08);
  --radius:24px;
}
*{box-sizing:border-box}
html{scroll-behavior:smooth}
body{margin:0;font-family:-apple-system,BlinkMacSystemFont,"Segoe UI","Noto Sans TC","Microsoft JhengHei",Arial,sans-serif;color:var(--text);background:linear-gradient(180deg,#fff 0%,#f7fbff 42%,#f6f8fb 100%);line-height:1.75;overflow-x:hidden}
a{color:inherit;text-decoration:none}
img{max-width:100%;height:auto;display:block}
.container{width:min(1180px,calc(100% - 32px));margin:0 auto}
.site-header{position:sticky;top:0;z-index:20;background:rgba(255,255,255,.88);backdrop-filter:blur(14px);border-bottom:1px solid var(--line)}
.header-inner{min-height:72px;display:flex;align-items:center;justify-content:space-between;gap:18px}
.brand{display:flex;align-items:center;gap:10px;font-weight:800;color:#111827;white-space:nowrap}.logo{width:42px;height:42px;border-radius:12px}.brand-text{letter-spacing:.2px}.nav-toggle{border:1px solid var(--line);background:#fff;border-radius:12px;padding:8px 12px;font-size:22px;color:var(--text)}
.site-nav{display:none;position:absolute;top:72px;left:16px;right:16px;background:#fff;border:1px solid var(--line);border-radius:22px;box-shadow:var(--shadow);padding:12px}.site-nav.open{display:grid}.site-nav a{padding:11px 12px;border-radius:12px;color:#344054;font-weight:650}.site-nav a:hover{background:var(--primary-soft);color:var(--primary)}
.section{padding:58px 0}.section-sm{padding:38px 0}.section-title{font-size:clamp(28px,4vw,44px);line-height:1.18;margin:0 0 14px;letter-spacing:-.04em}.section-lead{color:var(--muted);max-width:760px;margin:0 0 26px}.eyebrow,.category-badge{display:inline-flex;align-items:center;gap:8px;color:var(--primary);background:var(--primary-soft);border:1px solid #D7E9FF;border-radius:999px;padding:7px 12px;font-weight:750;font-size:14px;margin-bottom:14px}.pill-row{display:flex;flex-wrap:wrap;gap:10px;margin-top:18px}.pill{background:#fff;border:1px solid var(--line);border-radius:999px;padding:8px 12px;color:#475467;font-weight:650;font-size:14px}.pill.primary{background:var(--primary);color:#fff;border-color:var(--primary)}
.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,.25);border:0;transition:.2s ease;white-space:nowrap}.download-btn:hover{transform:translateY(-2px);box-shadow:0 18px 36px rgba(41,128,254,.32)}.link-more{display:inline-flex;color:var(--primary);font-weight:800;margin-top:12px}.link-more:after{content:"→";margin-left:6px}.portal-hero{padding:64px 0 34px;position:relative;overflow:hidden}.portal-hero:before{content:"";position:absolute;inset:-140px -120px auto auto;width:420px;height:420px;border-radius:50%;background:radial-gradient(circle,rgba(41,128,254,.18),rgba(41,128,254,0) 68%)}.hero-grid{display:grid;gap:34px;align-items:center}.hero-copy h1{font-size:clamp(38px,7vw,72px);line-height:1.03;letter-spacing:-.06em;margin:0 0 18px}.hero-copy p{font-size:18px;color:#475467;margin:0 0 26px}.hero-actions{display:flex;align-items:center;gap:14px;flex-wrap:wrap}.hero-visual{position:relative;background:linear-gradient(145deg,#fff,#edf6ff);border:1px solid var(--line);border-radius:32px;padding:24px;box-shadow:var(--shadow);min-height:420px;display:flex;align-items:center;justify-content:center}.hero-visual .phone-img{max-height:520px;margin:auto;filter:drop-shadow(0 25px 35px rgba(20,53,101,.12))}.floating-card{position:absolute;background:rgba(255,255,255,.92);border:1px solid var(--line);border-radius:18px;padding:12px 14px;box-shadow:0 14px 34px rgba(20,53,101,.10);font-size:14px;font-weight:800;color:#344054}.floating-card span{display:block;color:var(--muted);font-weight:600;font-size:12px}.fc-1{left:18px;top:22px}.fc-2{right:18px;top:72px}.fc-3{left:26px;bottom:72px}.fc-4{right:28px;bottom:28px}.channel-nav,.ecosystem-category,.category-grid,.risk-grid,.faq-grid,.card-grid{display:grid;gap:16px}.channel-card,.feature-card,.risk-card,.faq-item,.category-card,.info-card,.step-card{background:#fff;border:1px solid var(--line);border-radius:var(--radius);box-shadow:0 10px 30px rgba(20,53,101,.05);padding:22px}.channel-card .tag,.risk-tag{display:inline-flex;color:var(--primary);background:var(--primary-soft);border-radius:999px;padding:4px 9px;font-size:12px;font-weight:800;margin-bottom:10px}.channel-card h3,.feature-card h3,.risk-card h3,.faq-item h3,.category-card h3,.info-card h3,.step-card h3{margin:0 0 8px;font-size:20px}.channel-card p,.feature-card p,.risk-card p,.faq-item p,.category-card p,.info-card p,.step-card p{margin:0;color:var(--muted)}.split-feature{display:grid;gap:26px;align-items:center;background:#fff;border:1px solid var(--line);border-radius:32px;padding:24px;box-shadow:var(--shadow)}.split-feature.soft{background:linear-gradient(135deg,#f7fbff,#fff)}.split-feature.alt{background:linear-gradient(145deg,#eef5ff,#fff)}.split-feature .media{background:var(--primary-light);border:1px solid #DDEBFA;border-radius:28px;padding:20px;display:flex;align-items:center;justify-content:center;min-height:260px}.split-feature .media img{max-height:360px}.feature-list{display:grid;gap:10px;margin:18px 0;padding:0;list-style:none}.feature-list li{display:flex;gap:10px;align-items:flex-start;color:#344054}.feature-list li:before{content:"";width:9px;height:9px;border-radius:50%;background:var(--primary);margin-top:10px;flex:0 0 auto}.safety-panel{background:linear-gradient(135deg,#f8fbff,#fff);border:1px solid var(--line);border-left:5px solid var(--primary);border-radius:24px;padding:22px}.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);position:absolute;left:22px;top:22px;width:38px;height:38px;border-radius:14px;background:var(--primary);color:#fff;font-weight:900;display:grid;place-items:center}.risk-card{border-top:4px solid var(--primary)}.page-hero{padding:54px 0 28px;background:linear-gradient(135deg,#fff,#f1f7ff);border-bottom:1px solid var(--line)}.page-hero h1{font-size:clamp(34px,5vw,56px);line-height:1.1;letter-spacing:-.04em;margin:0 0 12px}.page-hero p{max-width:820px;color:var(--muted);font-size:18px;margin:0}.content-layout{display:grid;gap:26px;align-items:start}.article-card{background:#fff;border:1px solid var(--line);border-radius:30px;padding:24px;box-shadow:var(--shadow)}.article-card h2{font-size:26px;margin:0 0 10px}.article-card p{color:#475467}.side-panel{background:#fff;border:1px solid var(--line);border-radius:26px;padding:20px;box-shadow:0 10px 30px rgba(20,53,101,.05)}.side-panel ul{margin:0;padding-left:18px;color:#475467}.checklist{display:grid;gap:12px;margin:18px 0}.check-item{background:var(--primary-light);border:1px solid #DDEBFA;border-radius:18px;padding:14px;color:#344054}.download-panel,.cta-section{text-align:center;background:linear-gradient(135deg,#edf6ff,#fff);border:1px solid #dbe9fb;border-radius:32px;padding:34px 20px;box-shadow:var(--shadow)}.download-panel p,.cta-section p{max-width:720px;margin:0 auto 18px;color:#667085}.faq-item{box-shadow:none}.site-footer{margin-top:50px;background:#101828;color:#D0D5DD;padding:46px 0 22px}.footer-grid{display:grid;gap:24px}.footer-brand{color:#fff;font-weight:900;font-size:22px;margin-bottom:8px}.site-footer h3{color:#fff;margin:0 0 12px}.site-footer a{display:block;color:#D0D5DD;padding:4px 0}.site-footer p{margin:0;color:#AAB3C0}.footer-bottom{border-top:1px solid rgba(255,255,255,.12);margin-top:28px;padding-top:18px;color:#98A2B3;font-size:14px}.gradient-bg{background:linear-gradient(135deg,#f8fbff,#eef6ff)}
@media (min-width:640px){.channel-nav,.category-grid,.ecosystem-category{grid-template-columns:repeat(2,1fr)}.risk-grid,.faq-grid,.card-grid{grid-template-columns:repeat(2,1fr)}}
@media (min-width:900px){.nav-toggle{display:none}.site-nav{display:flex;position:static;align-items:center;gap:2px;background:transparent;border:0;box-shadow:none;padding:0}.site-nav a{font-size:14px}.hero-grid{grid-template-columns:1.02fr .98fr}.channel-nav{grid-template-columns:repeat(3,1fr)}.ecosystem-category,.category-grid{grid-template-columns:repeat(4,1fr)}.split-feature{grid-template-columns:1fr 1fr;padding:34px}.split-feature.reverse .copy{order:2}.split-feature.reverse .media{order:1}.content-layout{grid-template-columns:minmax(0,1fr) 320px}.process-steps{grid-template-columns:repeat(2,1fr)}.risk-grid{grid-template-columns:repeat(4,1fr)}.faq-grid{grid-template-columns:repeat(2,1fr)}.footer-grid{grid-template-columns:1.5fr 1fr 1fr 1fr}.section{padding:74px 0}.portal-hero{padding:82px 0 42px}}
@media (min-width:1120px){.process-steps{grid-template-columns:repeat(3,1fr)}.risk-grid{grid-template-columns:repeat(4,1fr)}}
@media (max-width:420px){.container{width:min(100% - 24px,1180px)}.hero-visual{min-height:340px;padding:16px}.floating-card{position:static;margin:8px 0;width:100%}.hero-visual{display:block}.hero-visual .phone-img{margin:0 auto 10px;max-height:330px}.download-btn{width:100%}.hero-actions{width:100%}.split-feature{padding:18px;border-radius:24px}.article-card{padding:20px}.step-card{padding-left:20px;padding-top:76px}.step-card:before{left:20px;top:20px}}