:root{--red:#c8102e;--bg:#fafafa}
*{box-sizing:border-box}body{font-family:-apple-system,"PingFang SC","Noto Sans CJK SC","Microsoft YaHei",Arial,sans-serif;margin:0;color:#1d1d1f;line-height:1.65;background:#fff}
.wrap{max-width:980px;margin:0 auto;padding:0 16px}
header{border-bottom:2px solid var(--red);background:#fff}header .wrap{display:flex;align-items:center;justify-content:space-between;height:56px}
header a{color:#1d1d1f;text-decoration:none;margin-left:16px}header .brand{color:var(--red);font-weight:700;margin-left:0;font-size:18px}
h1{font-size:26px;margin:24px 0 8px}h2{font-size:19px;margin:28px 0 8px}h3{font-size:16px}
.grid{display:grid;grid-template-columns:repeat(auto-fill,minmax(210px,1fr));gap:10px}
label{display:flex;flex-direction:column;font-size:13px;color:#444}input,select{font-size:15px;padding:7px 8px;border:1px solid #ccc;border-radius:6px;margin-top:3px}
fieldset{border:1px solid #eee;border-radius:10px;padding:12px 14px;margin:12px 0}legend{font-weight:600;padding:0 6px}
table{border-collapse:collapse;width:100%;margin:8px 0;font-size:14px}th,td{border-bottom:1px solid #eee;padding:6px 8px;text-align:left}th{background:var(--bg);font-weight:600}
.kpi{display:grid;grid-template-columns:repeat(auto-fill,minmax(180px,1fr));gap:10px;margin:12px 0}.kpi div{background:var(--bg);border-radius:10px;padding:10px 12px}.kpi b{display:block;font-size:20px;color:var(--red)}
.pos{color:#0a7d32}.neg{color:var(--red)}.mut{color:#777;font-size:13px}
.cta{border:1px dashed var(--red);border-radius:10px;padding:12px 14px;margin:18px 0;background:#fff7f7}
.btn{display:inline-block;background:var(--red);color:#fff;border:0;border-radius:6px;padding:8px 14px;font-size:14px;text-decoration:none;cursor:pointer}
.btn.sec{background:#555}
article p,article li{font-size:15.5px}.src{font-size:13px;color:#555;border-top:1px solid #eee;margin-top:24px;padding-top:8px}
footer{margin-top:40px;border-top:1px solid #eee;padding:16px 0;color:#777;font-size:12.5px}
.guides a{display:block;padding:10px 12px;border:1px solid #eee;border-radius:8px;margin:8px 0;text-decoration:none;color:#1d1d1f}.guides a:hover{border-color:var(--red)}
.plans{display:grid;grid-template-columns:repeat(auto-fit,minmax(260px,1fr));gap:14px;margin:16px 0}.plan{border:1px solid #e5e5e5;border-radius:12px;padding:6px 16px 16px}.plan h2{margin-top:12px}
.price{font-size:28px;font-weight:700;color:var(--red);margin:4px 0}.plan ul{padding-left:18px}
.shots{display:flex;flex-wrap:wrap;gap:16px;margin:14px 0}.shots img{max-width:100%;height:auto;border:1px solid #eee;border-radius:8px}figure{margin:0}figcaption{font-size:13px;color:#777}
footer a{color:#555}footer nav.legal{margin-bottom:6px}footer p{margin:4px 0}code{background:#f3f3f3;padding:1px 4px;border-radius:4px;word-break:break-all}
@media print{header,footer,.cta,.guides,h2:last-of-type{display:none}body{font-size:12px}fieldset{break-inside:avoid}}