/* MY CNTM — China Trademark Agent | chinatrademarkagent.com */
:root{
  --primary:#4F46E5; --primary-dark:#3730A3; --secondary:#0EA5E9;
  --accent:#10B981; --accent-dark:#0E9F6E;
  --bg:#F7F8FC; --white:#fff; --text:#1E293B; --gray:#64748B;
  --border:#E6E9F2; --soft:#EEF1FB;
  --shadow:0 18px 30px -12px rgba(49,46,129,.18);
  --radius:16px;
}
*{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}
img{max-width:100%}
.wrap{max-width:1080px;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 (on inner pages) */
.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)}

/* Hero */
.hero{padding:74px 0 60px;background:linear-gradient(160deg,#EEF1FB 0%,#F7F8FC 62%)}
.eyebrow{display:inline-flex;align-items:center;gap:8px;background:rgba(16,185,129,.13);
  color:var(--accent-dark);font-weight:700;font-size:13px;padding:6px 13px;border-radius:999px;margin-bottom:18px}
.hero h1{font-size:46px;line-height:1.12;letter-spacing:-.8px;margin-bottom:16px}
.hero h1 .grad{background:linear-gradient(90deg,var(--primary),var(--secondary));
  -webkit-background-clip:text;background-clip:text;color:transparent}
.hero p.lead{font-size:18.5px;color:var(--gray);max-width:660px;margin-bottom:28px}
.cta-row{display:flex;gap:14px;flex-wrap:wrap}
.btn{padding:13px 25px;border-radius:11px;font-weight:700;font-size:15px;display:inline-flex;align-items:center;gap:9px}
.btn-primary{background:linear-gradient(135deg,var(--primary),var(--secondary));color:#fff;box-shadow:var(--shadow)}
.btn-primary:hover{transform:translateY(-2px)}
.btn-ghost{background:#fff;color:var(--primary-dark);border:1.5px solid var(--border)}
.btn-ghost:hover{border-color:var(--primary);color:var(--primary)}

/* Sections */
section.block{padding:60px 0}
.sec-head{max-width:720px;margin:0 auto 38px;text-align:center}
.sec-head .kicker{color:var(--primary);font-weight:700;font-size:13px;letter-spacing:1px;text-transform:uppercase}
.sec-head h2{font-size:32px;line-height:1.2;letter-spacing:-.5px;margin:8px 0 10px}
.sec-head p{color:var(--gray);font-size:16.5px}

/* Two-col layout */
.grid2{display:grid;grid-template-columns:1.55fr 1fr;gap:40px;align-items:start}
.panel h2{font-size:27px;letter-spacing:-.4px;margin-bottom:14px}
.panel h3{font-size:19px;margin:26px 0 10px}
.panel p{color:var(--gray);margin-bottom:16px}
.panel ul.clean{list-style:none;display:flex;flex-direction:column;gap:14px;margin:6px 0 18px}
.panel ul.clean li{display:flex;gap:13px;align-items:flex-start}
.panel ul.clean i{color:var(--accent);font-size:18px;margin-top:4px;flex:none}
.panel ul.clean b{color:var(--text)}
.panel ol.steps{list-style:none;counter-reset:s;display:flex;flex-direction:column;gap:16px;margin:6px 0}
.panel ol.steps li{counter-increment:s;display:flex;gap:15px;align-items:flex-start;
  background:var(--white);border:1px solid var(--border);border-radius:14px;padding:18px 20px}
.panel ol.steps li::before{content:counter(s);width:34px;height:34px;flex:none;border-radius:50%;
  background:linear-gradient(135deg,var(--primary),var(--secondary));color:#fff;font-weight:800;
  display:flex;align-items:center;justify-content:center}
.panel ol.steps b{display:block;margin-bottom:2px}

/* Card (trust / credentials) */
.card{background:var(--white);border:1px solid var(--border);border-radius:var(--radius);padding:26px;box-shadow:var(--shadow)}
.card h3{font-size:13px;text-transform:uppercase;letter-spacing:.7px;color:var(--gray);margin-bottom:16px}
.cred{display:flex;flex-direction:column;gap:13px}
.cred div{display:flex;align-items:center;gap:12px;font-size:15px;font-weight:600}
.cred i{width:36px;height:36px;border-radius:10px;background:var(--soft);color:var(--primary);
  display:flex;align-items:center;justify-content:center;font-size:15px;flex:none}
.card .wa{margin-top:18px;display:block;text-align:center;background:var(--accent);color:#fff;
  padding:12px;border-radius:11px;font-weight:700;font-size:14px}
.card .wa:hover{background:var(--accent-dark)}

/* Table (fee / comparison) */
.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}
table.tbl td b{color:var(--text)}

/* CTA band */
.band{background:linear-gradient(135deg,var(--primary-dark),var(--secondary));color:#fff;border-radius:22px;
  padding:46px;text-align:center;margin:8px 0 64px;box-shadow:var(--shadow)}
.band h2{font-size:29px;margin-bottom:10px;letter-spacing:-.4px}
.band p{opacity:.92;margin-bottom:22px;font-size:16px}
.band .btn-white{background:#fff;color:var(--primary-dark);padding:13px 27px;border-radius:11px;font-weight:700;
  display:inline-flex;gap:9px;align-items:center}
.band .btn-white:hover{transform:translateY(-2px)}
.band.soft{background:var(--white);border:1px solid var(--border);color:var(--text)}
.band.soft p{color:var(--gray);opacity:1}

/* Related guides */
.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 accordion */
.faq{display:flex;flex-direction:column;gap:12px;max-width:820px;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}

/* Article body (inner pages) */
.article{padding:54px 0 20px}
.article .lead{font-size:18px;color:var(--gray);max-width:760px;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:#334155;margin-bottom:15px;font-size:16px}
.article ul,.article ol{color:#334155;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:#334155;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)}

/* Footer */
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}
footer .disc{max-width:620px;line-height:1.6}

@media(max-width:900px){
  .grid2{grid-template-columns:1fr}
  .related{grid-template-columns:1fr}
  .hero h1{font-size:34px}
  .sec-head h2{font-size:26px}
  .band{padding:32px}
}
@media(max-width:560px){
  .hero h1{font-size:29px}
  .article h2{font-size:22px}
}