body,html{width:100%;min-height:100%}:root{--bg:#f7f9fc;--fg:#1f2937;--primary:#3b82f6;--line:#dbe3ef;--card:#ffffff}*{box-sizing:border-box}body{margin:0;background:var(--bg);color:var(--fg);font-family:PingFang SC,Microsoft YaHei,Arial,sans-serif}a{color:inherit;text-decoration:none}button{cursor:pointer}.page{max-width:1200px;margin:0 auto;padding:32px 20px 48px}.top-nav{display:flex;align-items:center;justify-content:space-between;gap:20px;margin-bottom:28px;padding-bottom:16px;border-bottom:1px solid var(--line)}.brand{font-size:20px;font-weight:700;color:var(--primary)}.nav-links{display:flex;flex-wrap:wrap;gap:14px}.nav-links a{padding:6px 10px;border-radius:6px}.nav-links a:hover{background:#eaf2ff}.hero{margin-bottom:24px}.hero h1{margin:0 0 12px;font-size:34px}.hero p{margin:0;color:#4b5563;line-height:1.8}.card-grid{display:grid;grid-template-columns:repeat(auto-fit,minmax(220px,1fr));gap:16px;margin-top:12px}.card{padding:18px;border-radius:10px;border:1px solid var(--line);background:var(--card);gap:10px}.card,.list{display:grid}.list{margin-top:10px;gap:12px}.list-item{padding:16px;border-radius:10px;border:1px solid var(--line);background:var(--card)}.card h2,.list-item h2,.page h1{margin:0 0 8px}.card p,.list-item p,.list-item time{margin:0;color:#4b5563}.card button{width:fit-content;border:1px solid var(--primary);color:#fff;background:var(--primary);border-radius:6px;padding:8px 14px}.admin-login-card{margin-top:12px}.admin-login-form{display:grid;gap:10px}.admin-login-label{font-weight:600}.admin-login-input{border:1px solid var(--line);border-radius:8px;padding:10px 12px;background:#fff}.status-success{margin:6px 0 0;color:#047857}.status-error{margin:6px 0 0;color:#b91c1c}.status-token{margin:6px 0 0;color:#374151;word-break:break-all}