html,body{margin:0;padding:0}
body.slate-app{font-family:"IBM Plex Sans","Source Han Sans SC","Noto Sans SC",sans-serif;background:#eef1f6;color:#243044;line-height:1.7}
.slate-app .ico{width:18px;height:18px}
.slate-head{background:#465a78;color:#eef2f8;padding:16px 28px;display:flex;align-items:center;justify-content:space-between;gap:20px}
.slate-head .brand{display:flex;gap:8px;align-items:center;font-weight:700}
.slate-head .nav-list{display:flex;flex-wrap:wrap;gap:10px 14px;list-style:none;margin:0;padding:0}
.slate-head a{color:#d5deec;text-decoration:none;font-size:13px}
.slate-frame{display:grid;grid-template-columns:92px 1fr;min-height:calc(100vh - 64px)}
.idx-col{background:#d9e0ea;padding:24px 0;position:sticky;top:0;align-self:start;height:100vh;box-sizing:border-box}
.idx-col a{display:block;text-align:center;padding:10px 0;color:#465a78;text-decoration:none;font-variant-numeric:tabular-nums;font-weight:700;font-size:13px}
.idx-col a:hover{background:#c5cfdd}
.unit-panel{padding:28px 40px 64px}
.lock-hero{display:grid;grid-template-columns:1.2fr .8fr;gap:20px;background:#fff;border:1px solid #c9d3e0;padding:22px;margin-bottom:28px}
.lock-hero h1{margin:0 0 10px;font-size:26px;color:#2d3f5a}
.lock-chips{display:flex;flex-direction:column;gap:8px}
.lock-chips span{background:#465a78;color:#fff;padding:8px 12px;font-size:13px}
.slate-app .block{background:#fff;border:1px solid #c9d3e0;padding:20px 22px;margin:0 0 18px}
.slate-app .block h2{margin:0 0 10px;font-size:20px;color:#465a78}
.rail-cards{display:grid;grid-template-columns:1fr;gap:10px}
.slate-app .card{display:grid;grid-template-columns:28px 1fr;gap:12px;border-bottom:1px dashed #d5dee8;padding:10px 0}
.slate-app .step-list{list-style:none;margin:0;padding:0}
.slate-app .step{display:grid;grid-template-columns:48px 1fr;gap:10px;padding:10px 0;border-left:2px dotted #465a78;padding-left:12px;margin-bottom:8px}
.slate-app .step-n{font-weight:700;color:#465a78}
.slate-app .table-wrap{overflow:auto}
.slate-app table{width:100%;border-collapse:collapse;font-size:14px}
.slate-app th{background:#5b7394;color:#fff;padding:8px 10px;text-align:left}
.slate-app td{padding:8px 10px;border-bottom:1px solid #d5dee8;vertical-align:top}
.slate-app .pair-grid{display:grid;grid-template-columns:1fr 1fr;gap:12px}
.slate-app .pair{background:#f5f7fb;padding:12px}
.slate-app .plain-list{margin:0;padding-left:1.2em}
.slate-app .faq-list details{border:1px solid #c9d3e0;padding:8px 12px;margin:0 0 8px;background:#f7f9fc}
.slate-app .faq-list summary{cursor:pointer}
.slate-app .site-footer{grid-column:1/-1;padding:16px 28px;background:#d9e0ea;font-size:13px;color:#3a4b63}
@media (max-width:880px){
.slate-frame{grid-template-columns:1fr}
.idx-col{position:relative;height:auto;display:flex;flex-wrap:wrap}
.lock-hero,.slate-app .pair-grid{grid-template-columns:1fr}
}