:root{
  --blue:#062a5c;
  --blue2:#0b3d82;
  --light:#eaf5ff;
  --text:#10213b;
  --muted:#5f6b7a;
  --card:#ffffff;
  --border:#d9e3ef;
}
*{box-sizing:border-box}
body{
  margin:0;
  font-family:-apple-system,BlinkMacSystemFont,"Segoe UI","Noto Sans SC","Microsoft YaHei",Arial,sans-serif;
  color:var(--text);
  background:#f3f6fa;
  line-height:1.7;
}
a{color:#0b55a0;text-decoration:none}
a:hover{text-decoration:underline}
.site-header{
  background:linear-gradient(135deg,#041f46,#06336d);
  color:white;
  position:sticky;
  top:0;
  z-index:10;
  box-shadow:0 2px 10px rgba(0,0,0,.15);
}
.topbar{
  max-width:1100px;
  margin:0 auto;
  display:flex;
  justify-content:space-between;
  align-items:center;
  padding:14px 20px;
}
.brand{color:#fff;font-weight:700;letter-spacing:.03em}
.menu-btn{
  display:none;
  background:transparent;
  color:#fff;
  border:1px solid rgba(255,255,255,.35);
  border-radius:8px;
  padding:6px 10px;
  font-size:20px;
}
.nav{
  max-width:1100px;
  margin:0 auto;
  display:flex;
  gap:22px;
  padding:0 20px 14px;
}
.nav a{color:#dcecff;font-size:15px}
.hero{
  background:linear-gradient(180deg,#062a5c 0%,#0a3775 60%,#f3f6fa 60%);
  padding:44px 20px 24px;
}
.hero-card{
  max-width:1100px;
  margin:0 auto;
  display:grid;
  grid-template-columns:1.1fr .9fr;
  gap:28px;
  align-items:center;
  background:white;
  border-radius:22px;
  overflow:hidden;
  box-shadow:0 20px 50px rgba(0,0,0,.18);
}
.hero-logo{
  width:100%;
  display:block;
  background:#052a5d;
}
.hero-text{padding:34px}
.eyebrow{
  text-transform:uppercase;
  letter-spacing:.16em;
  color:#3a74b7;
  font-size:13px;
  font-weight:700;
  margin:0 0 8px;
}
h1,h2,h3{line-height:1.25;margin:0 0 14px}
h1{font-size:38px}
h2{font-size:24px}
.lead{font-size:18px;color:#31435d}
.hero-actions{display:flex;gap:12px;margin-top:24px;flex-wrap:wrap}
.btn{
  display:inline-block;
  padding:10px 18px;
  background:#0b55a0;
  color:white;
  border-radius:999px;
  font-weight:700;
}
.btn.secondary{background:#e9f2fb;color:#0b55a0}
.section{
  max-width:1100px;
  margin:28px auto;
  padding:0 20px;
}
.grid-3{
  display:grid;
  grid-template-columns:repeat(3,1fr);
  gap:18px;
}
.card,.post,.note,.contact-box,.content{
  background:var(--card);
  border:1px solid var(--border);
  border-radius:16px;
  padding:24px;
  box-shadow:0 4px 18px rgba(25,55,95,.06);
}
.card p,.post p,.content p,.note p{color:#40536d;margin:0}
.section-title{
  display:flex;
  justify-content:space-between;
  align-items:center;
  margin-bottom:14px;
}
.post-list{display:grid;gap:14px}
.post{display:block}
.post strong{display:block;font-size:19px;color:#10213b;margin-bottom:6px}
.date{
  display:inline-block;
  color:#0b55a0;
  background:#e9f2fb;
  border-radius:999px;
  padding:2px 10px;
  font-size:13px;
  margin-bottom:10px;
}
.page-hero{
  background:linear-gradient(135deg,#052a5d,#0b4a96);
  color:#fff;
  padding:56px 20px;
}
.page-hero > *{
  max-width:1000px;
  margin-left:auto;
  margin-right:auto;
}
.page-hero .eyebrow{color:#9fc9ff}
.page-hero p:not(.eyebrow){font-size:18px;color:#dcecff}
.content h2{margin-top:24px}
.content h2:first-child{margin-top:0}
.content ul{color:#40536d}
.contact-box a{font-size:22px;font-weight:700}
.muted{color:var(--muted)}
.footer{
  background:#111923;
  color:#dce5ef;
  margin-top:50px;
}
.footer-inner{
  max-width:1100px;
  margin:0 auto;
  padding:30px 20px;
  text-align:center;
}
.footer p{margin:4px 0}
@media(max-width:780px){
  .menu-btn{display:block}
  .nav{display:none;flex-direction:column;gap:8px;padding:0 20px 16px}
  .nav-open .nav{display:flex}
  .hero{padding:24px 14px}
  .hero-card{grid-template-columns:1fr}
  .hero-text{padding:24px}
  h1{font-size:28px}
  .grid-3{grid-template-columns:1fr}
  .section-title{display:block}
}

.friend-links{
  margin-top:12px;
  font-size:15px;
}
.friend-links a{
  color:#dcecff;
  font-weight:600;
}
.friend-links span{
  color:#7f93aa;
  margin:0 6px;
}

.intro-card{
  max-width:980px;
  text-align:left;
}
.intro-card h2{
  text-align:center;
  font-size:30px;
  margin-bottom:20px;
}
.intro-card p{
  font-size:18px;
  line-height:2;
  margin-bottom:16px;
}