*{box-sizing:border-box;margin:0;padding:0}
:root{--bg:#f8f8f8;--card:#fff;--text:#1a1a1a;--text2:#6b7280;--border:#e5e5e5;--accent:#667eea}
body{font-family:'DM Sans',-apple-system,BlinkMacSystemFont,sans-serif;background:var(--bg);color:var(--text);line-height:1.5}
.hd{background:var(--card);border-bottom:1px solid var(--border);position:sticky;top:0;z-index:100}
.ht{max-width:1200px;margin:0 auto;padding:12px 16px;display:flex;align-items:center;justify-content:space-between;gap:12px}
.logo{font-size:1.2rem;font-weight:700;color:var(--text);text-decoration:none}
.logo span{color:var(--text2);font-weight:400}
.ha{display:flex;align-items:center;gap:8px}
.btn{display:inline-flex;align-items:center;justify-content:center;gap:6px;padding:10px 18px;border-radius:100px;font-size:14px;font-weight:600;text-decoration:none;cursor:pointer;transition:all .2s;border:none}
.btn-o{background:transparent;color:var(--text);border:1px solid var(--border)}
.btn-o:hover{background:var(--bg);border-color:var(--text)}
.cw{max-width:600px;margin:0 auto;padding:20px}
.bk{display:inline-block;padding:10px 20px;background:var(--accent);color:#fff;text-decoration:none;border-radius:6px;margin-bottom:20px;font-size:.9rem}
.card{background:#fff;border-radius:12px;padding:24px;box-shadow:0 2px 8px rgba(0,0,0,.08);margin-bottom:20px}
.card h2{margin:0 0 16px;font-size:1.1rem;color:#333}
.lp{display:flex;gap:16px;padding:16px;background:#f8f9fa;border-radius:8px;margin-bottom:20px}
.lp img{width:80px;height:80px;object-fit:cover;border-radius:6px}
.lp-info{flex:1}
.lp-title{font-weight:600;font-size:.95rem;margin-bottom:4px}
.lp-meta{font-size:.8rem;color:#666}
.lp-price{font-weight:700;color:var(--accent);margin-top:4px}
.frm label{display:block;font-weight:600;font-size:.85rem;margin-bottom:6px;color:#333}
.frm textarea{width:100%;padding:12px;border:1px solid #e2e8f0;border-radius:8px;font-size:.9rem;min-height:150px;resize:vertical;font-family:inherit}
.frm textarea:focus{outline:none;border-color:var(--accent)}
.frm .btn{display:block;width:100%;padding:14px;background:var(--accent);color:#fff;border:none;border-radius:8px;font-size:1rem;font-weight:600;cursor:pointer;margin-top:16px}
.frm .btn:hover{background:#5a67d8}
.lgn{text-align:center;padding:30px}
.lgn p{margin:0 0 20px;color:#666}
.lgn-form{text-align:left}
.lgn-form label{display:block;font-size:.85rem;font-weight:600;margin-bottom:4px;color:#333}
.lgn-form input[type=text],.lgn-form input[type=password]{width:100%;padding:12px;border:1px solid #e2e8f0;border-radius:8px;font-size:.9rem;margin-bottom:12px}
.lgn-form input:focus{outline:none;border-color:var(--accent)}
.lgn-form .btn{width:100%;padding:14px;background:var(--accent);color:#fff;border:none;border-radius:8px;font-size:1rem;font-weight:600;cursor:pointer}
.lgn-form .btn:hover{background:#5a67d8}
.lgn-links{margin-top:16px;font-size:.85rem}
.lgn-links a{color:var(--accent)}
.tips{background:#f0f9ff;border-left:4px solid var(--accent);padding:12px 16px;border-radius:0 8px 8px 0;font-size:.8rem;color:#1e40af;margin-top:16px}
.tips strong{display:block;margin-bottom:4px}