:root{
  --brand:#6c5ce7;
  --brand-2:#a29bfe;
  --bg:#0f0f12;
  --card:#17171c;
  --text:#e8e8ee;
  --muted:#a9a9b2;
  --border:#2a2a33;
  --ok:#00d181;
  --warn:#ffcc00;
  --danger:#ff6b6b;
  --radius:12px;
  --container:1120px;
  --shadow:0 8px 24px rgba(0,0,0,.24);
  --font: ui-sans-serif, -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, "PingFang SC","Hiragino Sans GB","Microsoft YaHei", "Noto Sans CJK SC", Arial, "Helvetica Neue", Helvetica, sans-serif;
}

*{box-sizing:border-box}
html,body{margin:0;padding:0;background:var(--bg);color:var(--text);font-family:var(--font);line-height:1.6}
img{max-width:100%;display:block;border-radius:var(--radius)}
a{color:var(--brand);text-decoration:none}
a:hover{opacity:.9}
.container{max-width:var(--container);margin:0 auto;padding:0 16px}

.site-header{position:sticky;top:0;z-index:10;background:rgb(0, 0, 0);backdrop-filter: blur(10px);border-bottom:1px solid var(--border)}
.header-inner{display:flex;align-items:center;justify-content:space-between;height:64px;gap:16px}
.logo{display:flex;align-items:center;gap:10px;color:var(--text)}
.logo img{width:292px;height:90px;object-fit:contain}
.site-nav a{margin-left:16px;color:var(--text);padding:8px 12px;border-radius:8px}
.site-nav a.active,.site-nav a:hover{background:var(--card);color:#fff}

.hero{padding:48px 0;background:linear-gradient(180deg, rgba(108,92,231,.12), rgba(0,0,0,0))}
.hero-inner{display:grid;grid-template-columns:1.1fr .9fr;gap:24px;align-items:center}
.hero h1{font-size:40px;margin:0 0 12px}
.subtle{color:var(--muted);margin-top:-6px}

.grid-3{display:grid;grid-template-columns:repeat(3,1fr);gap:16px}
.card{background:var(--card);border:1px solid var(--border);border-radius:var(--radius);padding:16px;box-shadow:var(--shadow)}
.highlight{margin:40px auto}
.highlight-inner{display:grid;grid-template-columns:1fr .9fr;gap:16px;align-items:center;background:var(--card);border:1px solid var(--border);border-radius:var(--radius);padding:20px}

.about-grid{display:grid;grid-template-columns:1.1fr .9fr;gap:20px;margin:20px 0}
.timeline ol{list-style: none;padding:0;margin:0}
.timeline li{position:relative;padding-left:24px;margin:12px 0}
.timeline li::before{content:"";position:absolute;left:6px;top:.6em;width:8px;height:8px;border-radius:50%;background:var(--brand)}
.timeline li::after{content:"";position:absolute;left:10px;top:1.2em;bottom:-.8em;width:2px;background:var(--border)}

.news-list{display:flex;flex-direction:column;gap:16px;margin:20px 0}
.news-item{display:grid;grid-template-columns:560px 1fr;gap:16px;background:var(--card);border:1px solid var(--border);border-radius:var(--radius);padding:12px}
.news-item h2{margin:0 0 6px}

.contact-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:16px;margin:20px 0}
.contact-card{background:var(--card);border:1px solid var(--border);border-radius:var(--radius);padding:16px}
.map-placeholder img{width:100%;height:auto}

.contact-form{background:var(--card);border:1px solid var(--border);border-radius:var(--radius);padding:16px;margin-bottom:40px}
.form-row{display:flex;flex-direction:column;gap:6px;margin:10px 0}
input,textarea{background:#0e0e12;color:var(--text);border:1px solid var(--border);border-radius:8px;padding:10px}
input:focus,textarea:focus{outline:2px solid var(--brand-2);border-color:transparent}
.form-tip{color:var(--ok);min-height:1.2em;margin-top:8px}

.site-footer{border-top:1px solid var(--border);padding:24px 0;background:#0c0c0f}
.footer-inner{display:flex;align-items:flex-start;justify-content:space-between;gap:16px}

.btn{display:inline-flex;align-items:center;justify-content:center;padding:10px 14px;border-radius:10px;border:1px solid var(--border);transition:.2s;cursor:pointer}
.btn-primary{background:var(--brand);border-color:transparent;color:#fff}
.btn-secondary{background:#1e1e25}
.btn-ghost{background:transparent}
.btn:hover{transform:translateY(-1px)}

@media (max-width: 960px){
  .hero-inner,.about-grid,.highlight-inner{grid-template-columns:1fr}
  .grid-3{grid-template-columns:1fr 1fr}
  .news-item{grid-template-columns:1fr}
  .contact-grid{grid-template-columns:1fr}
}
@media (max-width: 560px){
  .grid-3{grid-template-columns:1fr}
  .header-inner{flex-wrap:wrap;height:auto;padding:10px 0}
  .site-nav{width:100%;display:flex;gap:8px;overflow:auto;padding-bottom:8px}
}