:root {
  --bg: #0b0f14;
  --bg-soft: #0f141b;
  --card: #121822;
  --text: #e6edf3;
  --muted: #a9b1ba;
  --primary: #6ce5e8;
  --primary-2: #9a6cff;
  --accent: #ffb86b;
  --success: #7bd88f;
  --danger: #ff6b6b;
  --shadow: 0 10px 30px rgba(0,0,0,0.35);
  --radius: 14px;
}
* { box-sizing: border-box; }
html, body { height: 100%; }
body {
  margin: 0;
  background: radial-gradient(1200px 500px at 10% 0%, rgba(108,229,232,.08), transparent 55%),
              radial-gradient(900px 400px at 90% 10%, rgba(154,108,255,.08), transparent 50%),
              var(--bg);
  color: var(--text);
  font: 16px/1.6 system-ui, -apple-system, Segoe UI, Roboto, "Helvetica Neue", Arial, "Noto Sans", "PingFang SC", "Microsoft YaHei", sans-serif;
}
a { color: var(--primary); text-decoration: none; }
img { display: block; max-width: 100%; border-radius: calc(var(--radius) - 4px); }

.container { width: min(1100px, 92vw); margin: 0 auto; }

/* MAIN_SITE_CSS BY YUU */
.site-header {
  position: sticky; top: 0; z-index: 50;
  backdrop-filter: saturate(150%) blur(14px);
  background: rgba(11,15,20,0.6);
  border-bottom: 1px solid rgba(255,255,255,0.06);
}
.header-inner { display: flex; align-items: center; justify-content: space-between; padding: 14px 0; }
.brand { display: inline-flex; align-items: center; gap: 10px; color: var(--text); font-weight: 700; }
.brand-logo { width: 48px; height: 36px; border-radius: 6px; object-fit: contain; }
.brand-name { font-size: 18px; letter-spacing: .2px; }
.nav-list { display: flex; gap: 18px; list-style: none; margin: 0; padding: 0; }
.nav-list a { color: var(--text); opacity: .85; padding: 8px 12px; border-radius: 10px; }
.nav-list a:hover { background: rgba(255,255,255,0.06); }
.nav-toggle { display: none; font-size: 20px; padding: 6px 10px; border-radius: 10px; border: 1px solid rgba(255,255,255,0.12); color: var(--text); background: transparent; }

/* Hero */
.hero { position: relative; overflow: hidden; }
.hero-bg { position: absolute; inset: 0; pointer-events: none; }
.orb { position: absolute; border-radius: 50%; filter: blur(40px); opacity: .4; animation: float 14s ease-in-out infinite; }
.orb-1 { width: 300px; height: 300px; background: radial-gradient(circle, var(--primary), transparent 60%); top: 10%; left: 5%; animation-duration: 16s; }
.orb-2 { width: 220px; height: 220px; background: radial-gradient(circle, var(--primary-2), transparent 60%); top: 25%; right: 8%; animation-duration: 18s; }
.orb-3 { width: 260px; height: 260px; background: radial-gradient(circle, var(--accent), transparent 60%); bottom: 12%; left: 25%; animation-duration: 20s; }
@keyframes float { 0%,100% { transform: translateY(0) translateX(0) } 50% { transform: translateY(-18px) translateX(8px) } }

.hero-content { padding: 86px 0 64px; text-align: center; }
.hero-title { font-size: clamp(28px, 5vw, 48px); margin: 0 0 12px; letter-spacing: .6px; }
.hero-subtitle { font-size: clamp(16px, 2.4vw, 18px); color: var(--muted); margin: 0 0 22px; }
.hero-actions { display: inline-flex; gap: 12px; }

.btn { display: inline-block; padding: 10px 18px; border-radius: 12px; border: 1px solid rgba(255,255,255,0.12); color: var(--text); transition: transform .18s ease, background .18s ease, box-shadow .18s ease; }
.btn.primary { background: linear-gradient(135deg, rgba(108,229,232,.25), rgba(154,108,255,.25)); border: 1px solid rgba(108,229,232,.5); box-shadow: 0 8px 18px rgba(108,229,232,.22); }
.btn.primary:hover { transform: translateY(-2px); background: linear-gradient(135deg, rgba(108,229,232,.35), rgba(154,108,255,.35)); }
.btn.ghost { background: rgba(255,255,255,0.06); }
.btn.ghost:hover { background: rgba(255,255,255,0.1); transform: translateY(-2px); }
.btn.link { background: rgba(255,255,255,0.06); }
.btn.link:hover { background: rgba(255,255,255,0.12); transform: translateY(-2px); }

.section { padding: 56px 0; }
.section-title { font-size: 24px; margin: 0 0 18px; }

.cards { display: grid; grid-template-columns: repeat(2, 1fr); gap: 18px; }
.card { background: linear-gradient(180deg, rgba(255,255,255,.06), rgba(255,255,255,.03)); border: 1px solid rgba(255,255,255,0.12); border-radius: var(--radius); box-shadow: var(--shadow); overflow: hidden; transform: translateY(0); transition: transform .18s ease, box-shadow .18s ease, border-color .18s ease; }
.card:hover { transform: translateY(-4px); box-shadow: 0 14px 28px rgba(0,0,0,.45); border-color: rgba(108,229,232,.45); }
.card-img { aspect-ratio: 16/9; object-fit: cover; }
.card-body { padding: 16px; }
.card-title { margin: 0 0 6px; font-size: 18px; }
.card-desc { margin: 0 0 10px; color: var(--muted); }
.card-meta { display: flex; gap: 8px; margin-bottom: 12px; }
.badge { display: inline-block; font-size: 12px; color: var(--text); background: rgba(255,255,255,0.08); border: 1px solid rgba(255,255,255,0.12); border-radius: 999px; padding: 4px 8px; }

.news-list { display: grid; grid-template-columns: 1fr 1fr; gap: 16px; }
.news-item { background: var(--card); border: 1px solid rgba(255,255,255,0.1); border-radius: var(--radius); padding: 16px; box-shadow: var(--shadow); }
.news-thumb { width: 100%; aspect-ratio: 16/9; object-fit: cover; border-radius: calc(var(--radius) - 6px); margin-bottom: 10px; }
.news-date { font-size: 13px; color: var(--muted); margin-bottom: 6px; }
.news-title { margin: 0 0 8px; font-size: 16px; }
.news-desc { margin: 0; color: var(--muted); }

.about { margin-top: 80px; }
.about-inner { display: grid; grid-template-columns: 1.2fr .8fr; gap: 24px; align-items: stretch; }
.about-text p { color: var(--muted); }
.about-image { width: 100%; aspect-ratio: 16/9; object-fit: cover; border-radius: calc(var(--radius) - 6px); margin-top: 12px; box-shadow: var(--shadow); }
.about-stats { display: grid; grid-template-columns: repeat(2, 1fr); grid-template-rows: repeat(2, 1fr); gap: 12px; align-items: stretch; height: 100%; }
.about-stats > * { height: 100%; }
.stat { background: linear-gradient(180deg, rgba(255,255,255,.06), rgba(255,255,255,.03)); border: 1px solid rgba(255,255,255,0.12); border-radius: var(--radius); padding: 14px; display: grid; grid-template-rows: 1fr auto; justify-items: center; }
.stat-value { font-size: 64px; font-weight: 700; background: linear-gradient(90deg, var(--primary), var(--primary-2)); -webkit-background-clip: text; background-clip: text; color: transparent; align-self: center; text-align: center; }
.stat-label { font-size: 16px; color: var(--muted); text-align: center; }

.advantages-grid { display: grid; grid-template-columns: repeat(3, 1fr); gap: 16px; }
.adv-card { background: linear-gradient(180deg, rgba(255,255,255,.06), rgba(255,255,255,.03)); border: 1px solid rgba(255,255,255,0.12); border-radius: var(--radius); padding: 16px; box-shadow: var(--shadow); }
.adv-icon { font-size: 22px; margin-bottom: 8px; }
.adv-title { font-weight: 600; margin-bottom: 6px; }
.adv-desc { color: var(--muted); font-size: 14px; }

.contact-info { display: grid; grid-template-columns: 1fr 1fr; gap: 16px; }
.contact-card { background: linear-gradient(180deg, rgba(255,255,255,.06), rgba(255,255,255,.03)); border: 1px solid rgba(255,255,255,0.12); border-radius: var(--radius); padding: 16px; box-shadow: var(--shadow); }
.contact-icon { font-size: 22px; margin-bottom: 8px; }
.contact-title { font-weight: 600; margin-bottom: 6px; }
.contact-desc { color: var(--muted); }

.site-footer { border-top: 1px solid rgba(255,255,255,0.06); margin-top: 20px; }
.footer-inner { display: flex; align-items: center; justify-content: space-between; padding: 18px 0; color: var(--muted); }
.footer-links { display: flex; gap: 14px; }
.footer-links a { color: var(--muted); }
.footer-links a:hover { color: var(--text); }

.reveal { opacity: 0; transform: translateY(14px); transition: opacity .6s ease, transform .6s ease; }
.reveal.show { opacity: 1; transform: translateY(0); }

.toast { position: fixed; left: 50%; bottom: 26px; transform: translateX(-50%); background: rgba(20,25,34,.85); color: var(--text); border: 1px solid rgba(255,255,255,0.12); border-radius: 10px; padding: 10px 14px; box-shadow: var(--shadow); }

@media (max-width: 900px) {
  .cards { grid-template-columns: 1fr; }
  .news-list { grid-template-columns: 1fr; }
  .about-inner { grid-template-columns: 1fr; }
  .about-stats { grid-template-columns: repeat(2, 1fr); }
  .advantages-grid { grid-template-columns: 1fr 1fr; }
  .contact-info { grid-template-columns: 1fr; }
}

@media (max-width: 720px) {
  .nav-toggle { display: inline-block; }
  .nav-list { position: fixed; right: 16px; top: 56px; flex-direction: column; gap: 8px; background: rgba(11,15,20,.9); border: 1px solid rgba(255,255,255,.12); border-radius: 12px; padding: 10px; box-shadow: var(--shadow); display: none; }
  .nav-list.open { display: flex; }
}

@media (max-width: 560px) {
  .advantages-grid { grid-template-columns: 1fr; }
  .about-stats { grid-template-columns: 1fr; grid-template-rows: auto; }
}