/* MY CNTM — Chinese Trademark Agency | chinesetrademarkagency.com */
:root{
  --primary:#667EEA; --primary-dark:#4A5FC1; --secondary:#764BA2;
  --accent:#10B981; --accent-dark:#0E9F6E;
  --bg:#F8F9FF; --white:#fff; --text:#1F2937; --gray:#6B7280;
  --border:#E9EBF5; --soft:#F0F2FE;
  --shadow:0 22px 34px -14px rgba(102,126,234,.30);
  --radius:18px;
}
*{margin:0;padding:0;box-sizing:border-box}
body{font-family:-apple-system,BlinkMacSystemFont,'Segoe UI',Roboto,'Helvetica Neue',Arial,sans-serif;
  color:var(--text);background:var(--bg);line-height:1.7;overflow-x:hidden;-webkit-font-smoothing:antialiased}
a{text-decoration:none;color:inherit;transition:.25s}
.wrap{max-width:1120px;margin:0 auto;padding:0 24px}

/* Top nav */
.topbar{position:sticky;top:0;z-index:20;background:rgba(255,255,255,.92);backdrop-filter:blur(8px);border-bottom:1px solid var(--border)}
.topbar .wrap{display:flex;align-items:center;justify-content:space-between;height:66px}
.brand{display:flex;align-items:center;gap:11px;font-weight:800;font-size:17px;letter-spacing:-.2px}
.brand img{width:34px;height:34px;border-radius:8px;box-shadow:var(--shadow)}
.brand small{display:block;font-weight:600;color:var(--gray);font-size:11.5px;letter-spacing:.4px;text-transform:uppercase}
.topbar a.back{color:var(--primary);font-size:14px;font-weight:700;display:inline-flex;gap:7px;align-items:center}
.topbar a.back:hover{color:var(--primary-dark)}

/* Sub-nav */
.subnav{background:var(--white);border-bottom:1px solid var(--border)}
.subnav .wrap{display:flex;gap:6px;flex-wrap:wrap;padding:10px 24px}
.subnav a{font-size:13.5px;color:var(--gray);font-weight:600;padding:6px 12px;border-radius:999px}
.subnav a:hover,.subnav a.active{background:var(--soft);color:var(--primary-dark)}

/* Gradient hero + stats */
.hero{padding:76px 0 0;background:linear-gradient(135deg,var(--primary) 0%,var(--secondary) 100%);color:#fff}
.hero .wrap{text-align:center;padding-bottom:0}
.hero .eyebrow{display:inline-flex;align-items:center;gap:8px;background:rgba(255,255,255,.16);
  padding:6px 14px;border-radius:999px;font-size:13px;font-weight:700;margin-bottom:18px}
.hero h1{font-size:44px;line-height:1.14;letter-spacing:-.6px;margin-bottom:14px}
.hero p.lead{font-size:18.5px;opacity:.92;max-width:680px;margin:0 auto 38px}
.stats{display:grid;grid-template-columns:repeat(4,1fr);gap:18px;margin-bottom:-46px;position:relative;z-index:2}
.stat{background:var(--white);color:var(--text);border-radius:14px;padding:22px 16px;text-align:center;box-shadow:var(--shadow)}
.stat .n{font-size:26px;font-weight:800;color:var(--primary-dark)}
.stat .l{font-size:13px;color:var(--gray);margin-top:4px}

/* Sections */
section.block{padding:74px 0 24px}
.sec-head{text-align:center;max-width:720px;margin:0 auto 38px}
.sec-head .kicker{color:var(--primary);font-weight:700;font-size:13px;letter-spacing:1px;text-transform:uppercase}
.sec-head h2{font-size:31px;letter-spacing:-.5px;margin:8px 0 10px}
.sec-head p{color:var(--gray);font-size:16.5px}

/* Services grid */
.grid{display:grid;grid-template-columns:repeat(3,1fr);gap:20px}
.svc{background:var(--white);border:1px solid var(--border);border-radius:var(--radius);padding:24px;transition:.25s}
.svc:hover{transform:translateY(-4px);box-shadow:var(--shadow);border-color:var(--primary)}
.svc .ic{width:46px;height:46px;border-radius:12px;background:var(--soft);color:var(--primary);
  display:flex;align-items:center;justify-content:center;font-size:20px;margin-bottom:14px}
.svc h3{font-size:17px;margin-bottom:8px}
.svc p{font-size:14px;color:var(--gray)}

/* Steps */
.steps{display:flex;flex-direction:column;gap:20px;max-width:760px;margin:0 auto}
.step{display:flex;gap:18px;align-items:flex-start;background:var(--white);border:1px solid var(--border);
  border-radius:14px;padding:20px;transition:.25s}
.step:hover{box-shadow:var(--shadow)}
.step .num{width:40px;height:40px;border-radius:50%;background:linear-gradient(135deg,var(--primary),var(--secondary));
  color:#fff;font-weight:800;display:flex;align-items:center;justify-content:center;flex:none}
.step h4{font-size:16px;margin-bottom:3px}
.step p{color:var(--gray);font-size:14.5px;margin:0}

/* Article body */
.article{padding:56px 0 20px}
.article .lead{font-size:18px;color:var(--gray);max-width:780px;margin-bottom:8px}
.article h2{font-size:26px;letter-spacing:-.4px;margin:36px 0 12px}
.article h3{font-size:19px;margin:24px 0 8px}
.article p{color:#374151;margin-bottom:15px;font-size:16px}
.article ul,.article ol{color:#374151;margin:0 0 16px 22px;font-size:16px}
.article li{margin-bottom:8px}
.article .note{background:var(--soft);border-left:4px solid var(--primary);border-radius:0 12px 12px 0;padding:16px 20px;color:#374151;font-size:15px;margin:18px 0}
.callout{display:flex;gap:14px;align-items:flex-start;background:var(--white);border:1px solid var(--border);
  border-radius:14px;padding:20px;margin:22px 0;box-shadow:var(--shadow)}
.callout i{color:var(--accent);font-size:22px;flex:none;margin-top:2px}
.callout b{color:var(--text)}

/* Table */
.tablewrap{overflow-x:auto;margin:8px 0 22px;border:1px solid var(--border);border-radius:14px}
table.tbl{width:100%;border-collapse:collapse;font-size:14.5px;min-width:560px}
table.tbl th,table.tbl td{padding:14px 16px;text-align:left;border-bottom:1px solid var(--border)}
table.tbl thead th{background:var(--soft);color:var(--primary-dark);font-weight:700;font-size:13.5px}
table.tbl tbody tr:last-child td{border-bottom:none}
table.tbl tbody tr:nth-child(even){background:#FBFCFF}

/* CTA band */
.band{background:var(--white);border:1px solid var(--border);border-radius:22px;padding:44px;text-align:center;margin:14px 0 64px;box-shadow:var(--shadow)}
.band h2{font-size:27px;margin-bottom:10px;letter-spacing:-.4px}
.band p{color:var(--gray);margin-bottom:22px;font-size:16px}
.btn{display:inline-flex;align-items:center;gap:9px;padding:13px 27px;border-radius:11px;font-weight:700;font-size:15px}
.btn-primary{background:linear-gradient(135deg,var(--primary),var(--secondary));color:#fff;box-shadow:var(--shadow)}
.btn-primary:hover{transform:translateY(-2px)}
.band.grad{background:linear-gradient(135deg,var(--primary-dark),var(--secondary));color:#fff}
.band.grad p{color:#fff;opacity:.92}

/* Related */
.related{display:grid;grid-template-columns:repeat(3,1fr);gap:18px;margin-top:10px}
.rel{background:var(--white);border:1px solid var(--border);border-radius:14px;padding:22px;transition:.25s}
.rel:hover{transform:translateY(-3px);box-shadow:var(--shadow);border-color:var(--primary)}
.rel .ic{width:42px;height:42px;border-radius:11px;background:var(--soft);color:var(--primary);
  display:flex;align-items:center;justify-content:center;font-size:18px;margin-bottom:12px}
.rel h4{font-size:16px;margin-bottom:6px}
.rel p{font-size:13.5px;color:var(--gray);margin:0}
.rel span{display:inline-block;margin-top:12px;color:var(--primary);font-weight:700;font-size:13.5px}

/* FAQ */
.faq{display:flex;flex-direction:column;gap:12px;max-width:840px;margin:0 auto}
.faq details{border:1px solid var(--border);border-radius:13px;background:var(--white);overflow:hidden}
.faq details[open]{box-shadow:var(--shadow)}
.faq summary{list-style:none;cursor:pointer;padding:18px 20px;font-weight:700;font-size:16px;
  display:flex;justify-content:space-between;align-items:center;gap:14px}
.faq summary::-webkit-details-marker{display:none}
.faq summary i{color:var(--primary);transition:.25s;flex:none}
.faq details[open] summary i{transform:rotate(45deg)}
.faq details p{padding:0 20px 20px;color:var(--gray);font-size:15px}

footer{border-top:1px solid var(--border);background:var(--white);padding:30px 0;font-size:13.5px;color:var(--gray)}
footer .wrap{display:flex;justify-content:space-between;flex-wrap:wrap;gap:12px;align-items:center}
footer a{color:var(--primary);font-weight:600}

@media(max-width:920px){
  .grid{grid-template-columns:1fr 1fr}
  .related{grid-template-columns:1fr}
  .stats{grid-template-columns:repeat(2,1fr)}
  .hero h1{font-size:34px}
  .sec-head h2{font-size:26px}
  .band{padding:32px}
}
@media(max-width:600px){
  .grid{grid-template-columns:1fr}
  .hero h1{font-size:29px}
  .article h2{font-size:22px}
}