/* =========================================================
   EWA STATIC WEBSITE DESIGN SYSTEM v1.0
   ========================================================= */
:root{
  --ewa-teal:#159ca3;--ewa-teal-dark:#0d7f83;--ewa-teal-soft:#eefafa;
  --ewa-orange:#f26b2f;--ewa-orange-soft:#fff4ed;
  --ewa-navy:#263f45;--ewa-text:#263f45;--ewa-muted:#667a80;
  --ewa-bg:#f7fafb;--ewa-white:#fff;--ewa-border:#dcebed;
  --ewa-success:#2e9d55;--ewa-danger:#c0392b;
  --ewa-radius:16px;--ewa-shadow:0 8px 24px rgba(0,0,0,.06);
  --ewa-container:1120px;--ewa-doc-width:980px;
}
*{box-sizing:border-box}html{scroll-behavior:smooth}body{margin:0;background:var(--ewa-bg);color:var(--ewa-text);font-family:"Segoe UI",Arial,Helvetica,sans-serif;line-height:1.7}img{max-width:100%;height:auto}a{color:var(--ewa-teal-dark)}a:hover{color:var(--ewa-orange)}
.ewa-header{background:var(--ewa-white);border-bottom:1px solid var(--ewa-border);position:sticky;top:0;z-index:1000}.ewa-header-inner{max-width:var(--ewa-container);margin:0 auto;padding:14px 20px;display:flex;align-items:center;justify-content:space-between;gap:24px}.ewa-brand{display:flex;align-items:center;gap:12px;text-decoration:none;color:var(--ewa-text)}.ewa-brand-logo{width:64px}.ewa-brand-text{display:flex;flex-direction:column;line-height:1.2}.ewa-brand-title{font-weight:800;font-size:18px}.ewa-brand-subtitle{font-size:13px;color:var(--ewa-muted)}.ewa-nav{display:flex;gap:20px;align-items:center}.ewa-nav a{text-decoration:none;font-weight:700;color:var(--ewa-text);font-size:15px}.ewa-nav a:hover,.ewa-nav a.active{color:var(--ewa-teal-dark)}.ewa-menu-toggle{display:none;border:1px solid var(--ewa-border);background:#fff;border-radius:8px;padding:8px 10px;font-weight:700;cursor:pointer}
.ewa-main{min-height:calc(100vh - 170px)}.ewa-container{max-width:var(--ewa-container);margin:0 auto;padding:34px 20px}.ewa-doc{max-width:var(--ewa-doc-width);margin:0 auto;padding:34px 20px}.ewa-doc-header{background:var(--ewa-teal-soft);border:1px solid var(--ewa-border);border-left:7px solid var(--ewa-teal);border-radius:var(--ewa-radius);padding:26px 30px;margin-bottom:24px}.ewa-doc-kicker{color:var(--ewa-teal-dark);font-size:13px;font-weight:800;text-transform:uppercase;letter-spacing:.04em;margin-bottom:8px}.ewa-doc-header h1{margin:0 0 10px;font-size:34px;line-height:1.2;font-weight:800}.ewa-doc-header p{margin:0;font-size:17px;color:var(--ewa-muted)}.ewa-doc-meta{display:grid;grid-template-columns:repeat(4,1fr);gap:12px;margin-top:20px}.ewa-doc-meta div{background:#fff;border:1px solid var(--ewa-border);border-radius:12px;padding:11px 13px;font-size:14px}.ewa-doc-meta strong{display:block;color:var(--ewa-muted);font-size:11px;text-transform:uppercase;margin-bottom:3px}
.ewa-doc-section{background:#fff;border:1px solid var(--ewa-border);border-radius:var(--ewa-radius);padding:24px 28px;margin-bottom:20px;box-shadow:var(--ewa-shadow)}.ewa-doc-section h2{margin:0 0 14px;color:var(--ewa-teal-dark);font-size:24px;line-height:1.3;font-weight:800}.ewa-doc-section h3{margin:22px 0 10px;font-size:19px;font-weight:800}.ewa-doc-section p{margin:0 0 14px;font-size:16px}.ewa-doc-section ul,.ewa-doc-section ol{margin:12px 0 16px 22px;padding:0}.ewa-doc-section li{margin-bottom:8px;font-size:16px}
.ewa-callout{background:var(--ewa-teal-soft);border-left:6px solid var(--ewa-teal);border-radius:12px;padding:16px 18px;margin:18px 0}.ewa-callout p:last-child{margin-bottom:0}.ewa-callout-warning{background:var(--ewa-orange-soft);border-left-color:var(--ewa-orange)}.ewa-callout-important{background:#fff0f0;border-left-color:var(--ewa-danger)}.ewa-callout-success{background:#effaf3;border-left-color:var(--ewa-success)}
.ewa-site-hero{background:linear-gradient(135deg,var(--ewa-teal),var(--ewa-teal-dark));color:#fff;border-radius:24px;padding:48px 40px;margin-bottom:28px;box-shadow:0 18px 45px rgba(0,0,0,.12)}.ewa-site-hero h1{color:#fff;font-size:42px;line-height:1.15;margin:0 0 14px}.ewa-site-hero p{font-size:18px;max-width:760px;margin:0}.ewa-grid-2,.ewa-grid-3{display:grid;gap:20px;margin:22px 0}.ewa-grid-2{grid-template-columns:repeat(2,1fr)}.ewa-grid-3{grid-template-columns:repeat(3,1fr)}.ewa-card{background:#fff;border:1px solid var(--ewa-border);border-radius:var(--ewa-radius);padding:24px;box-shadow:var(--ewa-shadow)}.ewa-card h2,.ewa-card h3{margin-top:0;color:var(--ewa-teal-dark)}.ewa-button{display:inline-block;background:var(--ewa-teal);color:#fff!important;padding:10px 18px;border-radius:999px;text-decoration:none;font-weight:700}.ewa-button:hover{background:var(--ewa-teal-dark);color:#fff!important}.ewa-button-orange{background:var(--ewa-orange)}
.ewa-table-wrap{overflow-x:auto;margin:18px 0}.ewa-table{width:100%;border-collapse:collapse;border:1px solid var(--ewa-border);background:#fff}.ewa-table th{background:var(--ewa-teal-dark);color:#fff;padding:12px;text-align:left}.ewa-table td{padding:12px;border-bottom:1px solid var(--ewa-border)}.ewa-table tr:last-child td{border-bottom:none}.ewa-footer{background:var(--ewa-navy);color:#fff;margin-top:40px}.ewa-footer-inner{max-width:var(--ewa-container);margin:0 auto;padding:28px 20px;display:flex;justify-content:space-between;gap:20px;align-items:center;flex-wrap:wrap}.ewa-footer a{color:#fff;text-decoration:none}.ewa-footer-small{font-size:14px;opacity:.85}.ewa-muted{color:var(--ewa-muted)}.ewa-center{text-align:center}.ewa-status-online{color:var(--ewa-success);font-weight:800}.ewa-pulse-dot{display:inline-block;width:11px;height:11px;background:#22c55e;border-radius:50%;margin-right:8px;animation:ewaPulseDot 2s infinite ease-in-out}@keyframes ewaPulseDot{0%{transform:scale(1);box-shadow:0 0 0 0 rgba(34,197,94,.7)}50%{transform:scale(1.25);box-shadow:0 0 0 10px rgba(34,197,94,0)}100%{transform:scale(1);box-shadow:0 0 0 0 rgba(34,197,94,0)}}
@media(max-width:768px){.ewa-header-inner{flex-wrap:wrap}.ewa-menu-toggle{display:block}.ewa-nav{display:none;width:100%;flex-direction:column;align-items:flex-start;padding-top:12px}.ewa-nav.is-open{display:flex}.ewa-doc,.ewa-container{padding:22px 14px}.ewa-doc-header,.ewa-doc-section{padding:22px}.ewa-doc-header h1{font-size:29px}.ewa-doc-section h2{font-size:22px}.ewa-doc-meta,.ewa-grid-2,.ewa-grid-3{grid-template-columns:1fr}.ewa-site-hero{padding:34px 24px}.ewa-site-hero h1{font-size:31px}}