:root{--color-primary: #1e3a5f;--color-primary-dark: #14263f;--color-accent: #2f6f4e;--color-bg: #f4f5f7;--color-border: #d5d9e0;--color-text: #24292f;--color-muted: #57606a}*{box-sizing:border-box}body{font-family:-apple-system,Segoe UI,Roboto,Arial,sans-serif;background:var(--color-bg);color:var(--color-text);margin:0;padding:0}.page-wrap{max-width:720px;margin:0 auto;padding:32px 16px 56px}.header{display:flex;align-items:center;gap:14px;padding:12px 0 24px;border-bottom:2px solid var(--color-primary);margin-bottom:28px}.logo-placeholder{width:48px;height:48px;background:var(--color-primary);color:#fff;border-radius:8px;display:flex;align-items:center;justify-content:center;font-weight:700;font-size:15px;flex-shrink:0}.header h1{font-size:20px;margin:0;color:var(--color-primary-dark)}.header .subtitle{font-size:13px;color:var(--color-muted);margin:3px 0 0}.intro{font-size:14px;color:var(--color-muted);line-height:1.6;margin-bottom:28px}.card-grid{display:grid;gap:16px}.card{background:#fff;border:1px solid var(--color-border);border-radius:10px;padding:22px;display:flex;flex-direction:column;gap:10px}.card h2{font-size:16px;margin:0;color:var(--color-primary-dark)}.card p{font-size:13px;color:var(--color-muted);margin:0;line-height:1.5}.card a.btn{align-self:flex-start;margin-top:6px;padding:10px 18px;background:var(--color-primary);color:#fff;text-decoration:none;border-radius:6px;font-size:14px;font-weight:600}.card a.btn:hover{background:var(--color-primary-dark)}.card.admin{border-style:dashed;background:#f8f9fb}.card.admin a.btn{background:#fff;color:var(--color-primary);border:1px solid var(--color-primary)}.notice{font-size:12px;color:var(--color-muted);background:#eef2f7;border-radius:6px;padding:10px 12px;margin-top:24px}.footer{text-align:center;font-size:12px;color:var(--color-muted);margin-top:36px;padding-top:16px;border-top:1px solid var(--color-border)}.footer a{color:var(--color-primary);text-decoration:none}