:root{--bg:#f7f7f8;--panel:#fff;--border:#e3e3e6;--text:#1a1a1e;--text-muted:#6b6b73;--accent:#3b5bfd;--accent-fg:#fff;--danger:#d1453b;--success:#1e8e5a;color-scheme:light}*{box-sizing:border-box}body{margin:0;background:var(--bg);color:var(--text);font-family:-apple-system,BlinkMacSystemFont,Segoe UI,Roboto,Helvetica,Arial,sans-serif}a{color:inherit}.app-shell{display:flex;min-height:100vh}.sidebar{width:220px;flex-shrink:0;background:var(--panel);border-right:1px solid var(--border);padding:20px 16px;display:flex;flex-direction:column;gap:4px}.sidebar h1{font-size:15px;margin:0 0 20px;font-weight:600}.sidebar a{display:block;padding:8px 10px;border-radius:6px;text-decoration:none;color:var(--text-muted);font-size:14px}.sidebar a.active,.sidebar a:hover{background:var(--bg);color:var(--text)}.sidebar .footer{margin-top:auto;font-size:13px;color:var(--text-muted)}.main{flex:1 1;padding:32px 40px;max-width:1100px}.main h2{margin-top:0}.card{background:var(--panel);border:1px solid var(--border);border-radius:10px;padding:20px}.card+.card{margin-top:16px}.stat-grid{display:grid;grid-template-columns:repeat(auto-fit,minmax(160px,1fr));grid-gap:16px;gap:16px;margin-bottom:24px}.stat-card{background:var(--panel);border:1px solid var(--border);border-radius:10px;padding:16px 20px}.stat-card .value{font-size:28px;font-weight:600}.stat-card .label{color:var(--text-muted);font-size:13px}table{width:100%;border-collapse:collapse;font-size:14px}td,th{text-align:left;padding:10px 8px;border-bottom:1px solid var(--border);vertical-align:top}th{color:var(--text-muted);font-weight:500;font-size:12px;text-transform:uppercase;letter-spacing:.02em}.btn{display:inline-flex;align-items:center;gap:6px;padding:7px 14px;border-radius:6px;border:1px solid var(--border);background:var(--panel);color:var(--text);font-size:13px;cursor:pointer}.btn.primary{background:var(--accent);color:var(--accent-fg);border-color:var(--accent)}.btn:disabled{opacity:.5;cursor:not-allowed}.btn-row{display:flex;gap:8px}input,select,textarea{width:100%;padding:8px 10px;border:1px solid var(--border);border-radius:6px;font-size:14px;background:var(--panel);color:var(--text)}label{display:block;font-size:13px;color:var(--text-muted);margin-bottom:4px}.field{margin-bottom:14px}.form-grid{display:grid;grid-template-columns:1fr 1fr;grid-gap:14px;gap:14px}.error{color:var(--danger);font-size:13px;margin-top:8px}.badge{display:inline-block;padding:2px 8px;border-radius:999px;font-size:12px;background:var(--bg);border:1px solid var(--border)}.badge.success{color:var(--success);border-color:var(--success)}.badge.muted{color:var(--text-muted)}.badge.priority-A{color:#fff;background:var(--danger);border-color:var(--danger)}.badge.priority-B{color:#fff;background:var(--accent);border-color:var(--accent)}.badge.priority-C{color:var(--text);background:var(--bg)}.badge.priority-WATCH{color:var(--text-muted);background:var(--bg)}.score-grid{display:grid;grid-template-columns:repeat(auto-fit,minmax(110px,1fr));grid-gap:12px;gap:12px;margin:16px 0}.score-item{border:1px solid var(--border);border-radius:8px;padding:10px 12px}.score-item .value{font-size:20px;font-weight:600}.score-item .explain,.score-item .label{font-size:12px;color:var(--text-muted)}.score-item .explain{margin-top:4px}.login-wrap{min-height:100vh;display:flex;align-items:center;justify-content:center;background:var(--bg)}.login-card{width:340px;background:var(--panel);border:1px solid var(--border);border-radius:12px;padding:32px}.tab-row{display:flex;gap:4px;margin-bottom:12px;border-bottom:1px solid var(--border)}.tab-btn{padding:8px 14px;background:none;color:var(--text-muted);font-size:13px;cursor:pointer;border:none;border-bottom:2px solid transparent;margin-bottom:-1px}.tab-btn.active{color:var(--text);border-bottom-color:var(--accent);font-weight:600}.image-insert-row{display:flex;gap:8px;align-items:center;margin-bottom:8px}.image-insert-row input[type=text]{width:auto;flex:1 1}.wechat-preview-wrap{display:flex;justify-content:center;background:var(--bg);border:1px solid var(--border);border-radius:8px;padding:20px 0;min-height:200px}.wechat-preview{width:375px;max-width:100%;background:var(--panel);padding:16px 20px;font-size:16px;line-height:1.75;color:#333;word-break:break-word}.wechat-preview img{display:block;max-width:100%;margin:8px auto;border-radius:4px}.wechat-preview em{color:var(--text-muted);font-size:13px;font-style:normal}.wechat-preview p:has(>em:only-child){text-align:center;margin-top:-4px}.wechat-preview h1,.wechat-preview h2,.wechat-preview h3{font-size:18px}