:root{
  --blue:#0b1f3a;
  --blue-2:#16345f;
  --blue-3:#22497f;
  --gray:#f5f6f8;
  --gray-2:#f8fafc;
  --line:#e8edf3;
  --wood:#b8895b;
  --text:#101828;
  --muted:#667085;
  --muted-2:#475467;
  --white:#ffffff;
  --shadow-sm:0 8px 24px rgba(15,23,42,.06);
  --shadow-md:0 18px 45px rgba(15,23,42,.10);
  --shadow-lg:0 24px 60px rgba(11,31,58,.14);
}

*{box-sizing:border-box;}
html{scroll-behavior:smooth;}
body{
  margin:0;
  font-family:"SF Pro Display","SF Pro Text","PingFang SC","Hiragino Sans GB","Microsoft YaHei","Inter",Arial,sans-serif;
  color:var(--text);
  background:linear-gradient(180deg,#fff 0%,#fcfdff 100%);
  letter-spacing:.15px;
  -webkit-font-smoothing:antialiased;
  text-rendering:optimizeLegibility;
}

a{color:inherit;text-decoration:none;}
img{max-width:100%;display:block;}

.container{width:min(1200px,92%);margin:0 auto;}

header{
  position:sticky;
  top:0;
  z-index:30;
  background:rgba(255,255,255,.84);
  backdrop-filter:blur(14px);
  -webkit-backdrop-filter:blur(14px);
  border-bottom:1px solid rgba(232,237,243,.88);
}
.nav{
  display:flex;
  align-items:center;
  justify-content:space-between;
  gap:24px;
  padding:16px 0;
}
.logo{
  font-weight:700;
  font-size:21px;
  color:var(--blue);
  letter-spacing:.4px;
  display:flex;
  align-items:center;
  gap:10px;
  line-height:1.2;
}
.logo-plain-cn{
  font-family:"Microsoft YaHei","PingFang SC","Hiragino Sans GB",sans-serif;
  font-weight:600;
  letter-spacing:0;
  font-kerning:none;
  font-feature-settings:"kern" 0;
}
.equal-cn4{
  display:inline-flex;
  gap:0;
  align-items:center;
  font-family:"Microsoft YaHei","PingFang SC","Hiragino Sans GB",sans-serif;
  font-weight:600;
  letter-spacing:0;
  font-kerning:none;
  font-feature-settings:"kern" 0;
}
.equal-cn4 span{
  display:inline-block;
  width:1em;
  text-align:center;
}
.logo .tagline{
  font-size:12px;
  font-weight:600;
  color:var(--wood);
  letter-spacing:.6px;
}
.menu{
  display:flex;
  align-items:center;
  gap:8px;
  flex-wrap:wrap;
  font-size:14px;
  color:#344054;
}
.menu a{
  padding:10px 14px;
  border-radius:999px;
  transition:all .2s ease;
}
.menu a:hover{
  color:var(--blue);
  background:#f2f6fb;
}

.btn{
  display:inline-flex;
  align-items:center;
  justify-content:center;
  min-height:46px;
  padding:12px 22px;
  border-radius:999px;
  font-size:14px;
  font-weight:600;
  letter-spacing:.2px;
  border:1px solid rgba(11,31,58,.18);
  color:var(--blue);
  background:rgba(255,255,255,.86);
  box-shadow:0 8px 24px rgba(15,23,42,.05);
  transition:transform .2s ease, box-shadow .2s ease, background .2s ease, border-color .2s ease;
}
.btn:hover{
  transform:translateY(-1px);
  box-shadow:0 14px 30px rgba(15,23,42,.08);
}
.btn.primary{
  color:#fff;
  background:linear-gradient(135deg,var(--blue) 0%,var(--blue-2) 100%);
  border-color:transparent;
  box-shadow:0 14px 34px rgba(11,31,58,.18);
}
.btn.primary:hover{
  background:linear-gradient(135deg,#10284a 0%,#1b3e72 100%);
}

.section{padding:96px 0;position:relative;}
.section.gray{background:linear-gradient(180deg,#f8fafc 0%,#f4f7fb 100%);}

.hero{
  padding:110px 0 96px;
  background:
    radial-gradient(circle at top left, rgba(34,73,127,.10) 0, transparent 34%),
    radial-gradient(circle at right center, rgba(184,137,91,.08) 0, transparent 28%),
    linear-gradient(180deg,#f8fbff 0%,#f4f7fb 100%);
}
.hero h1{
  margin:0 0 18px;
  font-size:52px;
  line-height:1.18;
  letter-spacing:-.8px;
  font-weight:700;
  color:#0f172a;
  max-width:10.5em;
}
.hero h1.hero-title-compact{
  font-size:36px;
  line-height:1.18;
  letter-spacing:-.2px;
  max-width:18em;
}
.hero h1.hero-title-nowrap{
  white-space:nowrap;
  max-width:none;
  font-size:30px;
}
.hero h1.hero-title-match{
  font-size:30px;
  line-height:1.18;
  letter-spacing:-.2px;
  white-space:nowrap;
  max-width:none;
}
.hero p{
  margin:0 0 30px;
  color:var(--muted-2);
  font-size:18px;
  max-width:700px;
  line-height:1.95;
}

.grid{display:grid;gap:22px;}
.grid.cols-4{grid-template-columns:repeat(4,minmax(0,1fr));}
.grid.cols-3{grid-template-columns:repeat(3,minmax(0,1fr));}
.grid.cols-2{grid-template-columns:repeat(2,minmax(0,1fr));}

.card{
  background:rgba(255,255,255,.92);
  border:1px solid var(--line);
  border-radius:22px;
  padding:26px 24px;
  box-shadow:var(--shadow-sm);
  transition:transform .25s ease, box-shadow .25s ease, border-color .25s ease;
  line-height:1.9;
  overflow:hidden;
}
.card:hover{
  transform:translateY(-4px);
  box-shadow:var(--shadow-md);
  border-color:#dce4ee;
}
.card h3{
  margin:0 0 10px;
  font-size:19px;
  line-height:1.45;
  font-weight:700;
  letter-spacing:.1px;
  color:#0f172a;
  text-align:left;
}
.card p{
  margin:0;
  color:#5c667b;
  font-size:15px;
  line-height:1.95;
  text-align:left;
}
.stats .card{
  background:linear-gradient(180deg,#fff 0%,#fbfdff 100%);
}
.stats .card h3{
  font-size:31px;
  line-height:1.15;
  color:var(--blue);
  margin-bottom:8px;
}
.stats .card p{
  font-size:14px;
}

.image{
  height:360px;
  border-radius:28px;
  background:#e9edf2;
  display:flex;
  align-items:center;
  justify-content:center;
  color:#7b8794;
  overflow:hidden;
  box-shadow:var(--shadow-lg);
  position:relative;
}
.image::after{
  content:"";
  position:absolute;
  inset:auto 0 0 0;
  height:36%;
  background:linear-gradient(180deg,transparent 0%,rgba(11,31,58,.12) 100%);
  pointer-events:none;
}
.image img{width:100%;height:100%;object-fit:cover;display:block;}

.tag{
  display:inline-block;
  background:#eef4ff;
  border:1px solid #dbe7ff;
  border-radius:999px;
  padding:6px 12px;
  font-size:12px;
  color:var(--blue);
}
.cta{display:flex;gap:12px;flex-wrap:wrap;align-items:center;}

.article-hero{
  width:100%;
  height:420px;
  border-radius:24px;
  overflow:hidden;
  margin:24px 0 12px;
  background:#e9edf2;
  box-shadow:var(--shadow-md);
}
.article-hero img{width:100%;height:100%;object-fit:cover;display:block;}
.article-content{max-width:880px;margin:0 auto;}
.article-content p{margin-top:14px;letter-spacing:.1px;}
.article-content p:first-of-type::first-letter{
  font-size:48px;
  line-height:1;
  float:left;
  margin:6px 10px 0 0;
  color:var(--wood);
  font-weight:700;
}
.article-content .subtitle{font-size:17px;line-height:2.02;}
.article-content ul{padding-left:22px;}
.article-content li{margin:8px 0;line-height:1.9;}
.article-content .tag{font-size:12px;letter-spacing:1px;text-transform:uppercase;}
.article-content .title{font-size:34px;}

.title{
  font-size:38px;
  letter-spacing:-.5px;
  margin:0 0 12px;
  line-height:1.28;
  font-weight:700;
  color:#101828;
}
.subtitle{
  color:#5c667b;
  font-size:16.5px;
  max-width:820px;
  line-height:2;
  text-wrap:pretty;
}
.section .subtitle{margin-top:8px;}
.muted{color:var(--muted);}

.qr{
  height:160px;
  border-radius:20px;
  background:#eef2f7;
  display:flex;
  align-items:center;
  justify-content:center;
  color:#7b8794;
  margin:0 auto;
  overflow:hidden;
  box-shadow:0 10px 26px rgba(15,23,42,.08);
}
.qr img{width:100%;height:100%;object-fit:cover;display:block;}

footer{
  background:linear-gradient(180deg,#10213f 0%,#0b1f3a 100%);
  color:#cfd6de;
  padding:52px 0 40px;
  font-size:13px;
}
.footer-grid{
  display:grid;
  grid-template-columns:repeat(auto-fit,minmax(240px,1fr));
  gap:18px;
  align-items:flex-start;
}
footer a{color:#d7dde6;display:inline-block;margin-top:6px;}

@media (max-width: 1024px){
  .grid.cols-4{grid-template-columns:repeat(2,minmax(0,1fr));}
  .hero h1{font-size:44px;}
  .hero h1.hero-title-compact{font-size:32px;max-width:unset;}
  .hero h1.hero-title-nowrap{white-space:normal;}
  .title{font-size:34px;}
}

@media (max-width: 900px){
  .grid.cols-3{grid-template-columns:repeat(2,minmax(0,1fr));}
  .nav{align-items:flex-start;flex-direction:column;}
  .menu{gap:6px;}
}

@media (max-width: 768px){
  .hero{padding:88px 0 74px;}
  .hero h1{font-size:34px;line-height:1.24;letter-spacing:-.3px;max-width:unset;}
  .hero h1.hero-title-compact{font-size:28px;line-height:1.24;max-width:unset;}
  .hero p{font-size:16px;line-height:1.9;}
  .title{font-size:28px;}
  .subtitle{font-size:15.5px;line-height:1.92;}
  .section{padding:72px 0;}
  .image{height:280px;border-radius:22px;}
  .card{padding:22px 20px;border-radius:18px;}
}

@media (max-width: 600px){
  .grid.cols-2,.grid.cols-3,.grid.cols-4{grid-template-columns:1fr;}
  .container{width:min(1200px,94%);}
  .menu a{padding:8px 12px;}
  .btn{width:100%;}
  .cta{flex-direction:column;align-items:stretch;}
}
