/* One China Trip — core styles */
:root{
  --ink:#16202e;
  --body:#3d4a5c;
  --muted:#6b7a8f;
  --brand:#0f4c81;
  --brand-dark:#0a3358;
  --brand-light:#eaf2f9;
  --accent:#b4401f;
  --ok:#1e6b45;
  --ok-bg:#edf7f1;
  --warn-bg:#fff8ec;
  --warn-line:#e8c37a;
  --note-bg:#f4f7fa;
  --line:#e3e9f0;
  --white:#fff;
}
*{margin:0;padding:0;box-sizing:border-box;}
html{scroll-behavior:smooth;}
body{
  font-family:-apple-system,BlinkMacSystemFont,"Segoe UI",Roboto,"Helvetica Neue",Arial,sans-serif;
  color:var(--body);
  background:var(--white);
  line-height:1.72;
  font-size:16.5px;
  -webkit-font-smoothing:antialiased;
}
.wrap{max-width:780px;margin:0 auto;padding:0 22px;}

/* header */
.site-header{
  background:var(--white);
  border-bottom:1px solid var(--line);
  position:sticky;top:0;z-index:50;
}
.site-header .wrap{display:flex;align-items:center;justify-content:space-between;gap:16px;padding-top:14px;padding-bottom:14px;flex-wrap:wrap;}
.logo{font-size:19px;font-weight:800;color:var(--brand);text-decoration:none;letter-spacing:-.3px;line-height:1.2;}
.logo span{display:block;font-size:11.5px;font-weight:500;color:var(--muted);letter-spacing:.4px;}
.nav{display:flex;gap:18px;flex-wrap:wrap;font-size:14.5px;}
.nav a{color:var(--body);text-decoration:none;font-weight:500;padding:2px 0;border-bottom:2px solid transparent;}
.nav a:hover{color:var(--brand);border-bottom-color:var(--brand);}

/* hero */
.hero{background:linear-gradient(135deg,#0a2e50,#0f4c81 65%,#1c6ea8);color:#fff;padding:52px 0 44px;}
.hero h1{font-size:33px;line-height:1.22;font-weight:800;letter-spacing:-.6px;margin-bottom:14px;}
.hero p{font-size:17.5px;color:rgba(255,255,255,.9);max-width:640px;}
.hero .badge{display:inline-block;background:rgba(255,255,255,.16);border:1px solid rgba(255,255,255,.3);
  padding:3px 12px;border-radius:14px;font-size:12.5px;letter-spacing:.6px;margin-bottom:14px;}

/* article */
article{padding:40px 0 20px;}
h1{font-size:31px;line-height:1.25;color:var(--ink);font-weight:800;letter-spacing:-.5px;margin-bottom:12px;}
h2{font-size:23px;color:var(--ink);font-weight:700;margin:38px 0 12px;letter-spacing:-.2px;scroll-margin-top:80px;}
h3{font-size:18px;color:var(--ink);font-weight:700;margin:26px 0 8px;}
p{margin-bottom:15px;}
strong{color:var(--ink);font-weight:650;}
a{color:var(--brand);}
.meta{font-size:13.5px;color:var(--muted);border-bottom:1px solid var(--line);padding-bottom:14px;margin-bottom:26px;}
.meta b{color:var(--body);}
ul,ol{margin:0 0 18px 22px;}
li{margin-bottom:7px;}
.lead{font-size:18px;color:var(--body);margin-bottom:22px;}

/* boxes */
.box{border-radius:10px;padding:16px 20px;margin:20px 0;font-size:15.5px;border:1px solid var(--line);background:var(--note-bg);}
.box p:last-child{margin-bottom:0;}
.box .box-title{font-weight:700;color:var(--ink);margin-bottom:6px;font-size:15px;}
.box.warn{background:var(--warn-bg);border-color:var(--warn-line);}
.box.ok{background:var(--ok-bg);border-color:#bfe0cd;}
.box.key{background:var(--brand-light);border-color:#c5dcee;}

/* table */
table{width:100%;border-collapse:collapse;margin:20px 0;font-size:14.8px;}
th{background:var(--brand);color:#fff;text-align:left;padding:10px 12px;font-weight:600;font-size:14px;}
td{padding:9px 12px;border-bottom:1px solid var(--line);vertical-align:top;}
tbody tr:nth-child(even){background:#fafcfe;}
.tbl-scroll{overflow-x:auto;}

/* cta */
.cta{background:var(--brand-light);border:1px solid #c5dcee;border-radius:12px;padding:22px 24px;margin:38px 0 8px;}
.cta h3{margin-top:0;}
.cta p{font-size:15.5px;}
.btn{display:inline-block;background:var(--brand);color:#fff;text-decoration:none;font-weight:650;
  padding:11px 22px;border-radius:7px;font-size:15.5px;margin-top:6px;}
.btn:hover{background:var(--brand-dark);}
.btn.ghost{background:transparent;color:var(--brand);border:1.5px solid var(--brand);}

/* cards grid */
.grid{display:grid;grid-template-columns:1fr 1fr;gap:14px;margin:24px 0;}
.card{border:1px solid var(--line);border-radius:10px;padding:16px 18px;background:#fff;}
.card h3{margin:0 0 6px;font-size:16.5px;}
.card p{font-size:14.8px;margin-bottom:0;color:var(--body);}
.card a{text-decoration:none;}

/* footer */
.site-footer{background:#0d2135;color:#9fb0c4;margin-top:50px;padding:34px 0 28px;font-size:14px;}
.site-footer a{color:#cfe0ef;text-decoration:none;}
.site-footer a:hover{text-decoration:underline;}
.site-footer .cols{display:grid;grid-template-columns:1fr 1fr;gap:20px;margin-bottom:18px;}
.site-footer h4{color:#fff;font-size:14.5px;margin-bottom:8px;font-weight:650;}
.site-footer ul{list-style:none;margin:0;}
.site-footer li{margin-bottom:5px;}
.legal{border-top:1px solid #1e3550;padding-top:16px;font-size:13px;color:#8296ad;}

/* form */
form{margin:22px 0;}
.field{margin-bottom:14px;}
label{display:block;font-weight:650;color:var(--ink);font-size:14.5px;margin-bottom:5px;}
input,select,textarea{
  width:100%;padding:10px 12px;border:1px solid #cfd9e4;border-radius:7px;font-size:15.5px;
  font-family:inherit;background:#fff;color:var(--ink);
}
input:focus,select:focus,textarea:focus{outline:2px solid var(--brand);outline-offset:1px;border-color:var(--brand);}
textarea{min-height:110px;resize:vertical;}
button[type=submit]{background:var(--brand);color:#fff;border:0;padding:12px 26px;border-radius:7px;
  font-size:16px;font-weight:650;cursor:pointer;font-family:inherit;}
button[type=submit]:hover{background:var(--brand-dark);}
.form-note{font-size:13.5px;color:var(--muted);margin-top:8px;}

@media(max-width:640px){
  .hero h1{font-size:26px;} h1{font-size:25px;} h2{font-size:20px;}
  .grid{grid-template-columns:1fr;}
  .site-footer .cols{grid-template-columns:1fr;}
  .nav{gap:12px;font-size:13.5px;}
}
@media print{.site-header,.cta,.site-footer{display:none;}}