:root{font-family:"PingFang TC","Noto Sans TC","Microsoft JhengHei",sans-serif;color:#193148;background:#f3f7fa;line-height:1.6}*{box-sizing:border-box}html{scroll-behavior:smooth}body{margin:0}a{color:inherit;text-decoration:none}.container{max-width:1240px;margin:auto;padding-left:30px;padding-right:30px}.masthead{color:#fff;background:radial-gradient(circle at 90% -20%,#2a8090,transparent 35%),linear-gradient(120deg,#10273d,#1b4658);padding:25px 0 45px}.masthead-top{display:flex;justify-content:space-between;gap:20px;color:#b8d5df;font-size:13px}.home-link{color:#e3f4f8}.home-link:hover{text-decoration:underline}.eyebrow{margin:40px 0 7px;color:#8dd9db;font-size:12px;letter-spacing:.16em;font-weight:800;text-transform:uppercase}h1{font-size:clamp(32px,4.5vw,49px);line-height:1.16;margin:0 0 14px;letter-spacing:-.025em}.lead{font-size:17px;color:#d7e8ed;max-width:850px;margin:0}.page-nav{background:#fff;border-bottom:1px solid #d9e4e9;position:sticky;top:0;z-index:4;box-shadow:0 4px 15px #10283d0b}.page-nav .container{display:flex;gap:2px;overflow-x:auto;white-space:nowrap}.page-nav a{font-size:13px;padding:14px 13px;color:#557084;border-bottom:3px solid transparent}.page-nav a:hover,.page-nav a[aria-current=page]{color:#116d7f;border-bottom-color:#1a899a}.summary-panel{margin-top:30px!important;background:#e6f4f5;border:1px solid #b6dfe3;border-left:5px solid #258995;border-radius:11px;padding:19px 23px}.summary-panel p{font-size:16px;margin:5px 0 0;color:#23495a}.section-kicker{font-size:12px;letter-spacing:.12em;color:#267887;font-weight:800}main section{margin-top:46px}.section-heading{margin-bottom:17px}.section-heading>span{color:#26808f;font-size:12px;letter-spacing:.11em;font-weight:800}.section-heading h2{margin:4px 0 0;font-size:24px;line-height:1.35}.architecture-chart{display:grid;gap:18px}.architecture-layer{display:grid;grid-template-columns:190px 1fr;min-height:102px;border-radius:13px;border:1px solid #cfdee5;background:#fff;box-shadow:0 3px 11px #112f440b;position:relative}.architecture-layer:not(:last-child):after{content:"↓";position:absolute;bottom:-24px;left:50%;font-size:22px;color:#2492a0;font-weight:900;z-index:2}.layer-label{padding:19px 17px;background:#164a5b;color:#fff;display:flex;gap:13px;align-items:center;border-radius:12px 0 0 12px}.layer-label b{font-size:19px;color:#8be0dc}.layer-label span{font-size:14px;font-weight:800;line-height:1.35}.layer-nodes{display:grid;grid-template-columns:repeat(auto-fit,minmax(175px,1fr));gap:10px;padding:12px;align-items:stretch}.architecture-node{background:#f4f9fa;border:1px solid #d4e9ec;border-radius:8px;padding:10px 12px;display:flex;flex-direction:column;justify-content:center}.architecture-node strong{font-size:14px;color:#205668}.architecture-node span{font-size:12px;color:#5a7480;margin-top:3px}.figure-note{font-size:12px;color:#617889;margin:12px 1px 0}.detail-grid{display:grid;grid-template-columns:repeat(auto-fit,minmax(255px,1fr));gap:13px}.detail-card{padding:19px 20px;border-radius:11px;border:1px solid #d9e5ea;background:#fff}.detail-card h3{font-size:16px;margin:0 0 7px;color:#1b5062}.detail-card p{font-size:13px;margin:0;color:#546b7a}.table-wrap{overflow-x:auto;border-radius:11px;border:1px solid #d6e2e8;background:#fff}table{width:100%;border-collapse:collapse;font-size:13px;min-width:720px}th{text-align:left;background:#e9f2f5;color:#205365;font-weight:800}td,th{padding:12px 14px;border-bottom:1px solid #e7eef2;vertical-align:top}tr:last-child td{border-bottom:0}td:first-child{font-weight:700;color:#245365}.decisions{padding:18px 20px 18px 40px;background:#fff;border:1px solid #d9e5ea;border-radius:11px;margin:0}.decisions li{padding:5px 0;font-size:14px}.tech-strip{display:flex;flex-wrap:wrap;gap:8px;margin-top:14px}.chip{font-size:12px;font-weight:800;color:#216677;background:#e6f2f4;border:1px solid #cde3e7;border-radius:999px;padding:5px 11px}.system-links{display:grid;grid-template-columns:repeat(auto-fit,minmax(235px,1fr));gap:12px}.system-links a{position:relative;display:flex;flex-direction:column;min-height:134px;padding:17px 18px;background:#fff;border:1px solid #d5e2e7;border-radius:11px;box-shadow:0 3px 10px #0c2b3b09}.system-links a:hover,.system-links a:focus-visible{border-color:#2693a1;box-shadow:0 8px 22px #0b384119;outline:none}.system-links a>span{font-size:11px;font-weight:900;letter-spacing:.12em;color:#278294}.system-links strong{font-size:17px;margin-top:7px;color:#1b4054}.system-links small{font-size:12px;color:#607787;margin-top:2px}.system-links b{position:absolute;right:17px;bottom:12px;color:#1d8292}footer{display:flex;justify-content:space-between;gap:15px;border-top:1px solid #d4e1e7;margin-top:60px!important;padding-top:20px;padding-bottom:35px;color:#688093;font-size:12px}footer a{color:#1c7485}footer a:hover{text-decoration:underline}@media(max-width:700px){.container{padding-left:18px;padding-right:18px}.masthead{padding-bottom:34px}.masthead-top{font-size:11px}.eyebrow{margin-top:32px}.lead{font-size:15px}.page-nav a{padding:12px 10px}.architecture-layer{grid-template-columns:1fr}.layer-label{border-radius:12px 12px 0 0;padding:9px 13px}.layer-nodes{grid-template-columns:1fr 1fr}.section-heading h2{font-size:21px}main section{margin-top:35px}footer{display:block}footer a{display:block;margin-top:8px}}@media(max-width:440px){.layer-nodes{grid-template-columns:1fr}}
.status-legend{display:flex;flex-wrap:wrap;align-items:center;gap:7px 12px;margin:20px 0 0;color:#c8e4e9;font-size:12px}.status-legend b{padding:3px 8px;border-radius:5px;color:#073c4c;background:#9be4df}.diagram{overflow-x:auto;border:1px solid #d2e2e8;border-radius:11px;padding:15px;background:#fff}.diagram .mermaid{min-width:760px;margin:0}.diagram svg{height:auto;max-width:none}.diagram .error-icon,.diagram .error-text{color:#b42318}@media(max-width:700px){.diagram{padding:9px}.diagram .mermaid{min-width:720px}}