*, *::before, *::after { box-sizing: border-box; margin: 0; padding: 0; }

:root {
  --bg: #f0f4f8;
  --panel: #ffffff;
  --border: #e2e8f0;
  --text: #0f172a;
  --muted: #64748b;
  --blue: #2563eb;
  --blue2: #3b82f6;
  --blue-light: #eff6ff;
  --green: #16a34a;
  --shadow: 0 4px 20px rgba(15,23,42,.07);
  --radius: 16px;
  --header-h: 64px;
}

html { scroll-behavior: smooth; }

body {
  font-family: 'Inter', Arial, sans-serif;
  background: var(--bg);
  color: var(--text);
  font-size: 15px;
  line-height: 1.6;
}

a { color: var(--blue); text-decoration: none; }
a:hover { text-decoration: underline; }
img { max-width: 100%; display: block; }

.site-header {
  position: sticky; top: 0; z-index: 1000;
  background: #ffffff;
  border-bottom: 1px solid var(--border);
  height: var(--header-h);
  box-shadow: 0 2px 12px rgba(15,23,42,.06);
}

.header-inner {
  max-width: 1280px; margin: 0 auto; padding: 0 24px;
  height: 100%; display: flex; align-items: center;
  justify-content: space-between; gap: 24px;
}

.site-logo { display: flex; align-items: center; gap: 10px; text-decoration: none; }
.site-logo img { height: 38px; width: auto; }
.logo-text { font-size: 22px; font-weight: 900; color: var(--text); letter-spacing: -0.03em; }

.site-nav { display: flex; align-items: center; gap: 4px; }

.site-nav a {
  padding: 8px 14px; border-radius: 10px; font-size: 14px; font-weight: 600;
  color: var(--muted); text-decoration: none; transition: background .15s, color .15s;
}

.site-nav a:hover, .site-nav a.active { background: var(--blue-light); color: var(--blue); }

.nav-portal-btn {
  background: var(--blue) !important; color: #fff !important;
  padding: 8px 18px !important; border-radius: 10px !important;
  font-weight: 700 !important; margin-left: 8px;
}
.nav-portal-btn:hover { background: #1d4ed8 !important; }

.nav-toggle {
  display: none; flex-direction: column; gap: 5px;
  background: none; border: none; cursor: pointer; padding: 6px;
}
.nav-toggle span { display: block; width: 24px; height: 2px; background: var(--text); border-radius: 2px; }

.page-wrap { max-width: 1280px; margin: 0 auto; padding: 40px 24px 60px; }

.hero {
  background: linear-gradient(135deg, #1e3a8a 0%, #2563eb 60%, #3b82f6 100%);
  color: #fff; border-radius: var(--radius); padding: 60px 48px;
  margin-bottom: 32px; position: relative; overflow: hidden;
}
.hero::before {
  content: ''; position: absolute; top: -60px; right: -60px;
  width: 300px; height: 300px; border-radius: 50%; background: rgba(255,255,255,.06);
}
.hero-label {
  display: inline-block; background: rgba(255,255,255,.15);
  border: 1px solid rgba(255,255,255,.25); border-radius: 999px;
  padding: 4px 14px; font-size: 12px; font-weight: 700;
  letter-spacing: .06em; text-transform: uppercase; margin-bottom: 16px;
}
.hero h1 { font-size: clamp(28px, 4vw, 52px); font-weight: 900; letter-spacing: -0.03em; line-height: 1.1; margin-bottom: 16px; }
.hero p { font-size: 17px; opacity: .85; max-width: 520px; margin-bottom: 28px; }
.hero-actions { display: flex; gap: 12px; flex-wrap: wrap; }

.btn {
  display: inline-flex; align-items: center; justify-content: center;
  padding: 12px 24px; border-radius: 12px; font-weight: 700; font-size: 14px;
  text-decoration: none; border: none; cursor: pointer; transition: .15s;
}
.btn-white { background: #fff; color: var(--blue); }
.btn-white:hover { background: #f0f9ff; text-decoration: none; }
.btn-outline-white { background: transparent; color: #fff; border: 2px solid rgba(255,255,255,.5); }
.btn-outline-white:hover { background: rgba(255,255,255,.1); text-decoration: none; }
.btn-primary { background: var(--blue); color: #fff; }
.btn-primary:hover { background: #1d4ed8; text-decoration: none; }

.grid-3 { display: grid; grid-template-columns: repeat(3,1fr); gap: 20px; }
.grid-2 { display: grid; grid-template-columns: repeat(2,1fr); gap: 20px; }
.grid-main-side { display: grid; grid-template-columns: minmax(0,2fr) minmax(0,1fr); gap: 24px; }

.panel { background: var(--panel); border: 1px solid var(--border); border-radius: var(--radius); box-shadow: var(--shadow); }
.panel-head {
  padding: 18px 22px 14px; border-bottom: 1px solid var(--border);
  display: flex; justify-content: space-between; align-items: center;
}
.panel-head h2 { font-size: 17px; font-weight: 800; letter-spacing: -0.02em; }
.panel-body { padding: 20px 22px; }
.section-title { font-size: 22px; font-weight: 800; letter-spacing: -0.02em; margin-bottom: 16px; }

.news-card {
  background: var(--panel); border: 1px solid var(--border);
  border-radius: var(--radius); overflow: hidden; box-shadow: var(--shadow);
  transition: transform .15s, box-shadow .15s;
}
.news-card:hover { transform: translateY(-2px); box-shadow: 0 8px 30px rgba(15,23,42,.1); }
.news-card-body { padding: 18px; }
.news-tag {
  display: inline-block; background: var(--blue-light); color: var(--blue);
  font-size: 11px; font-weight: 700; padding: 3px 10px; border-radius: 999px;
  text-transform: uppercase; letter-spacing: .05em; margin-bottom: 10px;
}
.news-card-title { font-size: 16px; font-weight: 800; line-height: 1.3; color: var(--text); margin-bottom: 8px; }
.news-card-excerpt { font-size: 13px; color: var(--muted); line-height: 1.6; margin-bottom: 14px; }
.news-card-date { font-size: 12px; color: var(--muted); }

.rank-row { display: flex; align-items: center; gap: 12px; padding: 10px 0; border-bottom: 1px solid var(--border); font-size: 14px; }
.rank-row:last-child { border-bottom: none; }
.rank-pos { width: 28px; font-weight: 800; color: var(--muted); font-size: 13px; flex-shrink: 0; }
.rank-pos.top3 { color: var(--blue); }
.rank-avatar { width: 34px; height: 34px; border-radius: 50%; object-fit: cover; background: var(--bg); flex-shrink: 0; }
.rank-name { font-weight: 700; flex: 1; }
.rank-pts { font-weight: 800; color: var(--blue); font-size: 13px; }

.site-footer { background: var(--text); color: rgba(255,255,255,.7); padding: 40px 24px; margin-top: 60px; font-size: 13px; }
.footer-inner { max-width: 1280px; margin: 0 auto; display: flex; justify-content: space-between; align-items: center; flex-wrap: wrap; gap: 16px; }
.footer-logo { font-size: 18px; font-weight: 900; color: #fff; }
.footer-links { display: flex; gap: 20px; flex-wrap: wrap; }
.footer-links a { color: rgba(255,255,255,.6); text-decoration: none; }
.footer-links a:hover { color: #fff; }

@media (max-width: 1024px) {
  .grid-3 { grid-template-columns: repeat(2,1fr); }
  .grid-main-side { grid-template-columns: 1fr; }
}
@media (max-width: 700px) {
  .nav-toggle { display: flex; }
  .site-nav {
    display: none; position: absolute; top: var(--header-h); left: 0; right: 0;
    background: #fff; flex-direction: column; padding: 16px;
    border-bottom: 1px solid var(--border); box-shadow: 0 8px 24px rgba(15,23,42,.1); gap: 4px;
  }
  .site-nav.open { display: flex; }
  .site-nav a { width: 100%; }
  .nav-portal-btn { margin-left: 0 !important; text-align: center; }
  .hero { padding: 36px 24px; }
  .grid-2, .grid-3 { grid-template-columns: 1fr; }
  .page-wrap { padding: 24px 16px 40px; }
}