.expansion-page{background:var(--surface-muted,#f4f7fb);min-height:100vh;color:var(--text,#10213d)}
.expansion-main{width:min(1180px,calc(100% - 32px));margin:0 auto;padding:38px 0 64px}
.expansion-hero{display:grid;grid-template-columns:minmax(0,1fr) auto;gap:24px;align-items:end;margin-bottom:26px}
.expansion-hero h1{font-size:clamp(2rem,5vw,3.5rem);line-height:1.02;margin:.25rem 0 .75rem}
.expansion-hero p{max-width:760px;color:var(--text-muted,#5d6d86);font-size:1.02rem}
.expansion-grid{display:grid;grid-template-columns:repeat(12,minmax(0,1fr));gap:18px}
.expansion-card{grid-column:span 4;background:var(--surface,#fff);border:1px solid var(--border,#dce5f2);border-radius:20px;padding:20px;box-shadow:0 14px 36px rgba(20,47,90,.08)}
.expansion-card.wide{grid-column:span 8}.expansion-card.full{grid-column:1/-1}.expansion-card.half{grid-column:span 6}
.expansion-card h2,.expansion-card h3{margin:0 0 10px}.expansion-card p{color:var(--text-muted,#5d6d86)}
.expansion-toolbar{display:flex;gap:10px;flex-wrap:wrap;align-items:center;margin:14px 0}
.expansion-toolbar input,.expansion-toolbar select,.expansion-toolbar textarea,.expansion-form input,.expansion-form select,.expansion-form textarea{width:100%;border:1px solid var(--border,#cdd9e8);border-radius:12px;padding:11px 12px;background:var(--surface,#fff);color:inherit;font:inherit}
.expansion-form{display:grid;gap:13px}.expansion-form label{font-weight:700;display:grid;gap:6px}.expansion-form textarea{min-height:110px;resize:vertical}
.expansion-list{display:grid;gap:12px}.expansion-item{border:1px solid var(--border,#dbe4ef);border-radius:15px;padding:15px;background:var(--surface,#fff)}
.expansion-item__head{display:flex;gap:12px;justify-content:space-between;align-items:flex-start}.expansion-item__head h3{margin:0}.expansion-meta{display:flex;gap:8px;flex-wrap:wrap;color:var(--text-muted,#66758d);font-size:.88rem;margin-top:8px}
.expansion-pill{display:inline-flex;align-items:center;gap:6px;border-radius:999px;padding:5px 9px;background:#eaf1ff;color:#1354d4;font-size:.78rem;font-weight:800}
.expansion-button{display:inline-flex;align-items:center;justify-content:center;gap:7px;border:0;border-radius:11px;padding:10px 14px;font:inherit;font-weight:800;cursor:pointer;background:#0d5cff;color:#fff;text-decoration:none}
.expansion-button.secondary{background:#edf3fb;color:#18324f}.expansion-button.danger{background:#ffe9e9;color:#a61b1b}.expansion-button:disabled{opacity:.55;cursor:not-allowed}
.expansion-status{padding:12px 14px;border-radius:12px;margin:0 0 16px;background:#eaf7ef;color:#11653a}.expansion-status.error{background:#fff0f0;color:#9f1e1e}.expansion-status[hidden]{display:none}
.ranking-row{display:grid;grid-template-columns:52px minmax(0,1fr) repeat(3,minmax(80px,auto));gap:12px;align-items:center;padding:12px;border-bottom:1px solid var(--border,#e1e8f1)}.ranking-row strong{font-size:1.05rem}.ranking-row.is-me{background:#edf4ff;border-radius:12px}
.slot-grid{display:grid;grid-template-columns:repeat(auto-fit,minmax(190px,1fr));gap:10px}.slot-option{border:1px solid var(--border,#dbe4ef);border-radius:12px;padding:10px;background:var(--surface,#fff);cursor:pointer}.slot-option.is-selected{outline:3px solid #8ab6ff;border-color:#0d5cff}
.community-post{display:grid;gap:12px}.community-body{white-space:pre-wrap}.community-comments{display:grid;gap:8px;margin-top:12px}.community-comment{padding:10px 12px;background:var(--surface-muted,#f5f8fc);border-radius:10px}
.certificate{border:2px solid #b7c9e8;background:linear-gradient(135deg,#fff,#f1f6ff);padding:24px;border-radius:18px}.certificate-code{font-family:ui-monospace,monospace;letter-spacing:.08em}
.product-grid{display:grid;grid-template-columns:repeat(auto-fit,minmax(240px,1fr));gap:16px}.product-card{border:1px solid var(--border,#dbe4ef);border-radius:18px;padding:18px;background:var(--surface,#fff)}.product-price{font-size:1.45rem;font-weight:900;margin:12px 0}
.notice-box{border-left:4px solid #f3a000;background:#fff8df;padding:12px 14px;border-radius:10px;color:#714b00}
.empty-state{text-align:center;padding:28px;color:var(--text-muted,#66758d)}
.expansion-links{display:grid;grid-template-columns:repeat(auto-fit,minmax(180px,1fr));gap:12px;margin-top:24px}.expansion-links a{padding:16px;border-radius:14px;background:#fff;border:1px solid #dce5f1;text-decoration:none;color:inherit;font-weight:800}
@media(max-width:900px){.expansion-card,.expansion-card.wide,.expansion-card.half{grid-column:1/-1}.expansion-hero{grid-template-columns:1fr}.ranking-row{grid-template-columns:42px 1fr}.ranking-row span:nth-last-child(-n+3){display:none}.dash-top-nav{overflow:auto;white-space:nowrap;max-width:56vw}}
@media(max-width:640px){.expansion-main{width:min(100% - 20px,1180px);padding-top:24px}.expansion-card{padding:16px}.dash-header__inner{flex-wrap:wrap}.dash-top-nav{order:3;max-width:100%;width:100%}}