/* ODF Best Solution — Global Styles (shared across all pages)
   Pure CSS, mobile-first, highly compatible with XunRuiCMS
*/
:root{
  --bg:#0f1320;
  --ink:#0b0e18;
  --muted:#6c7393;
  --brand:#5cc4b6;
  --brand-2:#79a1ff;
  --paper:#ffffff;
  --line:#e8ecf5;
  --accent:#ffb057;
  --success:#1aa36f;
  --radius:18px;
  --shadow:0 6px 28px rgba(20,24,40,.08);
  --container:1200px;
  --gradient:linear-gradient(135deg,var(--brand),var(--brand-2));
}
*{box-sizing:border-box}
html{scroll-behavior:smooth}
body{
  margin:0;font:16px/1.6 ui-sans-serif,system-ui,-apple-system,Segoe UI,Roboto,Helvetica,Arial;
  color:#1b2239;background:#f7f9fc;
}
a{color:#0b58f3;text-decoration:none}
a:hover{text-decoration:underline}
img{max-width:100%;height:auto;border-radius:12px}
.container{max-width:var(--container);margin:0 auto;padding:0 16px}
header.site{
  background:var(--paper);position:sticky;top:0;z-index:50;border-bottom:1px solid var(--line)
}
.topbar{display:flex;align-items:center;gap:16px;min-height:72px}
.brand{
  display:flex;align-items:center;gap:10px;font-weight:800;font-size:20px;color:#0e1730;white-space:nowrap
}
.brand-badge{
  width:34px;height:34px;border-radius:10px;background:var(--gradient);box-shadow:var(--shadow)
}
nav.main{margin-left:auto}
nav.main ul{display:flex;flex-wrap:wrap;gap:8px;margin:0;padding:0;list-style:none}
nav.main a{
  display:inline-block;padding:10px 14px;border-radius:12px;color:#09122a;font-weight:600
}
nav.main a.active, nav.main a:hover{
  background:rgba(121,161,255,.12);text-decoration:none
}

/* Split hero with diagonal band */
.hero{
  position:relative;overflow:hidden;background:var(--ink);color:#eaf2ff
}
.hero::before{
  content:"";position:absolute;inset:-20% -40% auto -20%;
  height:140%;transform:skewY(-8deg);
  background:radial-gradient(1000px 520px at 10% 30%,rgba(124,171,255,.25),transparent 70%),
             linear-gradient(135deg,rgba(92,196,182,.9),rgba(121,161,255,.9));
  filter:saturate(110%);border-bottom-right-radius:40px
}
.hero-inner{position:relative;display:grid;gap:32px;grid-template-columns:1.1fr; padding:56px 0}
@media(min-width:900px){.hero-inner{grid-template-columns:1.1fr .9fr;align-items:center}}
.hero h1{font-size:38px;line-height:1.15;margin:0 0 10px}
@media(min-width:900px){.hero h1{font-size:48px}}
.hero p.lede{color:#dde7ff;max-width:60ch;margin:0 0 18px}
.cta{display:flex;gap:10px;flex-wrap:wrap}
.btn{
  display:inline-block;padding:12px 18px;border-radius:14px;border:1px solid transparent;
  font-weight:700;letter-spacing:.2px;box-shadow:var(--shadow)
}
.btn-primary{background:var(--paper);color:#0e1730}
.btn-ghost{background:transparent;color:#fff;border-color:rgba(255,255,255,.25)}
.kpis{display:grid;grid-template-columns:repeat(2,1fr);gap:14px}
@media(min-width:700px){.kpis{grid-template-columns:repeat(4,1fr)}}
.kpi{background:rgba(255,255,255,.09);border:1px solid rgba(255,255,255,.18);border-radius:14px;padding:14px}
.kpi b{display:block;font-size:22px;color:#fff}
.kpi span{font-size:13px;color:#d3ddff}

/* Sections */
.section{padding:48px 0}
.section h2{font-size:28px;margin:0 0 18px}
.section .intro{color:#4a5477;max-width:70ch}
.grid{display:grid;gap:16px}
.grid.cols-2{grid-template-columns:repeat(1,1fr)}
.grid.cols-3{grid-template-columns:repeat(1,1fr)}
.grid.cols-4{grid-template-columns:repeat(1,1fr)}
@media(min-width:760px){.grid.cols-2{grid-template-columns:repeat(2,1fr)}}
@media(min-width:980px){
  .grid.cols-3{grid-template-columns:repeat(3,1fr)}
  .grid.cols-4{grid-template-columns:repeat(4,1fr)}
}
.card{
  background:var(--paper);border:1px solid var(--line);border-radius:var(--radius);
  padding:18px;box-shadow:var(--shadow)
}
.card h3{margin:0 0 8px;font-size:20px}
.card p{margin:0;color:#4a5477}
.tags{display:flex;flex-wrap:wrap;gap:6px;margin-top:10px}
.tag{font-size:12px;padding:6px 8px;border-radius:999px;background:#eef3ff;border:1px solid #dfe8ff;color:#2143b2}

/* Lists & breadcrumbs */
.breadcrumbs{font-size:13px;color:#6a7399;margin:18px 0}
.breadcrumbs a{color:#556bcb}
.list-compact{padding-left:18px;color:#445070}
.list-compact li{margin:6px 0}

/* Feature banner */
.banner{
  background:var(--gradient);color:#09122a;border-radius:var(--radius);padding:18px;display:grid;gap:10px
}
.banner b{font-size:18px}

/* Table-ish resource rows */
.rows{display:grid;gap:10px}
.row{
  display:grid;grid-template-columns:1fr auto;align-items:center;background:#fff;border:1px solid var(--line);
  border-radius:14px;padding:12px 14px
}
.row small{color:#6c7393}

/* Footer */
footer.site{background:#0e1730;color:#b9c3e6;padding:36px 0;margin-top:36px;border-top:1px solid #101b3a}
footer a{color:#e2e9ff}
.footer-grid{display:grid;gap:18px}
@media(min-width:900px){.footer-grid{grid-template-columns:1.4fr .8fr .8fr}}
.footer-brand{display:flex;align-items:flex-start;gap:12px}
.hr{height:1px;background:#1b2b5c;margin:18px 0}

/* Utilities */
.lead{font-size:18px}
.muted{color:#6c7393}
.center{max-width:900px}
.badge{display:inline-block;padding:4px 8px;border-radius:999px;background:#ecfdf5;color:#116a4f;border:1px solid #b8f3db;font-size:12px}
.notice{background:#fff8ee;border:1px dashed #ffd49a;color:#5a3c10;padding:12px;border-radius:12px}
.columns{columns:1}
@media(min-width:900px){.columns{columns:2;column-gap:24px}}