/* =====================================
   HST (禾晟泰) Corporate Website Styles
   Modern, high-end, responsive UI
   ===================================== */
:root{
  --bg:#0b1220;
  --bg2:#0f172a;
  --card:#0f1b31;
  --elev:#0b1220;
  --brand:#14b8a6;
  --brand2:#60a5fa;
  --text:#e2e8f0;
  --muted:#94a3b8;
  --line:#1e293b;
  --ok:#22c55e;
  --warn:#f59e0b;
  --danger:#ef4444;
  --radius:18px;
  --radius-sm:12px;
  --shadow:0 16px 40px rgba(0,0,0,.40);
  --shadow-soft:0 8px 24px rgba(0,0,0,.30);
  --space:clamp(16px, 2vw, 28px);
  --maxw:1200px;
}

*{box-sizing:border-box}
html,body{height:100%}
body{
  margin:0;
  font-family: ui-sans-serif, system-ui, -apple-system, "Segoe UI", "PingFang SC",
               "Hiragino Sans GB", "Microsoft YaHei", "Noto Sans CJK SC", Arial, sans-serif;
  color:var(--text);
  background:
    radial-gradient(1000px 500px at 10% -10%, #10203e 0%, transparent 50%),
    radial-gradient(800px 400px at 110% 10%, #0d2a2a 0%, transparent 50%),
    linear-gradient(180deg, #0a1222, #0b1220);
  accent-color:var(--brand);
}

img{max-width:100%; display:block}
a{color:inherit; text-decoration:none}
.container{width:100%; max-width:var(--maxw); margin-inline:auto; padding-inline:var(--space)}

.header{
  position:sticky; top:0; z-index:50;
  background: rgba(9,15,28,.65);
  backdrop-filter: blur(10px);
  border-bottom: 1px solid rgba(255,255,255,.06);
}
.nav{display:flex; align-items:center; justify-content:space-between; padding:14px var(--space)}
.logo{display:flex; align-items:center; gap:10px; font-weight:700; letter-spacing:.08em}
.logo .mark{width:36px; height:36px}
.logo strong{font-size:18px}
.logo small{font-size:12px; color:var(--muted); letter-spacing:.12em}

.nav a{padding:10px 12px; border-radius:10px; color:#cbd5e1}
.nav a.active, .nav a:hover{background:rgba(255,255,255,.06); color:#fff}
.nav .menu{display:flex; align-items:center; gap:6px; flex-wrap:wrap}
.nav .cta{display:flex; align-items:center; gap:10px}

.btn{display:inline-flex; align-items:center; gap:8px; padding:12px 16px; border-radius:14px;
     border:1px solid rgba(255,255,255,.12); color:#fff; transition:.2s transform ease;
     background:linear-gradient(180deg, rgba(255,255,255,.06), rgba(255,255,255,.02));
     box-shadow: var(--shadow-soft);}
.btn:hover{transform: translateY(-1px)}
.btn-primary{background:linear-gradient(180deg, #18c9b4, #11998e); border-color:transparent}
.btn-outline{background:transparent}
.btn-text{padding:8px 10px; border:none; background:transparent; color:#a7f3d0}

.hero{
  position:relative; overflow:hidden;
  padding:80px 0 56px;
  background:
    radial-gradient(600px 300px at 70% 10%, rgba(20,184,166,.18), transparent 60%),
    radial-gradient(500px 260px at 10% 0%, rgba(96,165,250,.18), transparent 60%);
  border-bottom:1px solid rgba(255,255,255,.06);
}
.hero .wrap{display:grid; grid-template-columns: 1.2fr .8fr; gap:30px; align-items:center}
.hero h1{font-size: clamp(28px, 4vw, 44px); line-height:1.1; margin:0 0 14px}
.hero p{font-size: clamp(15px, 2vw, 18px); color:#cbd5e1; margin:0 0 22px}
.hero .cta-row{display:flex; gap:12px; flex-wrap:wrap}
.hero .glass{
  border-radius: var(--radius);
  background: rgba(16, 27, 49, .75);
  border:1px solid rgba(255,255,255,.08);
  padding:18px; box-shadow: var(--shadow);
}

.section{padding:66px 0; border-bottom:1px solid rgba(255,255,255,.06)}
.section h2{font-size: clamp(22px, 3.2vw, 32px); margin:0 0 10px}
.section .sub{color:var(--muted); margin:0 0 24px}

.grid{
  display:grid; gap:18px;
  grid-template-columns: repeat(auto-fit, minmax(240px, 1fr));
}
.card{
  background: linear-gradient(180deg, rgba(255,255,255,.05), rgba(255,255,255,.02));
  border:1px solid rgba(255,255,255,.08);
  border-radius: var(--radius);
  padding:18px; box-shadow: var(--shadow-soft);
}
.card .k{font-size:13px; color:#a5b4fc; letter-spacing:.12em; text-transform:uppercase}
.card h3{margin:6px 0 10px; font-size:20px}
.card p{color:#cbd5e1; margin:0}

.badges{display:flex; gap:8px; flex-wrap:wrap}
.badge{font-size:12px; padding:6px 10px; border-radius:999px; border:1px solid rgba(255,255,255,.12); color:#cbd5e1}

.kpis{display:grid; grid-template-columns: repeat(auto-fit, minmax(180px,1fr)); gap:12px}
.kpi{
  background: linear-gradient(180deg, rgba(255,255,255,.04), rgba(255,255,255,.02));
  border:1px solid rgba(255,255,255,.08);
  border-radius:16px; padding:16px;
}
.kpi .v{font-size:24px; font-weight:700}
.kpi .t{font-size:12px; color:#a3b0c2}

.list{display:grid; gap:10px}
.item{display:flex; gap:12px; align-items:flex-start}
.item .icon{width:36px; height:36px; display:inline-grid; place-items:center; border-radius:10px;
  background:linear-gradient(180deg, rgba(96,165,250,.15), rgba(20,184,166,.12)); border:1px solid rgba(255,255,255,.12)}

.footer{
  background: rgba(9,15,28,.65);
  padding:32px 0; color:#cbd5e1
}
.footer .cols{display:grid; gap:18px; grid-template-columns: repeat(auto-fit, minmax(200px,1fr))}
.footer a{color:#cbd5e1}
.footer small{color:#8fa0b3}

.table{
  width:100%; border-collapse:collapse;
  background:linear-gradient(180deg, rgba(255,255,255,.03), rgba(255,255,255,.01));
  border-radius: var(--radius); overflow:hidden; border:1px solid rgba(255,255,255,.08)
}
.table th, .table td{padding:14px 16px; text-align:left; border-bottom:1px solid rgba(255,255,255,.06)}
.table th{font-weight:600; color:#cbd5e1; background:rgba(255,255,255,.03)}

.hero-visual{
  aspect-ratio: 4/3; border-radius: var(--radius); overflow:hidden;
  border:1px solid rgba(255,255,255,.08);
  background:
    radial-gradient(220px 160px at 80% 100%, rgba(20,184,166,.15), transparent 80%),
    radial-gradient(200px 140px at 10% 0%, rgba(96,165,250,.15), transparent 70%),
    linear-gradient(135deg, #0e2337, #0c1a2e);
  display:grid; place-items:center; box-shadow: var(--shadow);
}
.hero-visual svg{opacity:.9}

.split{display:grid; grid-template-columns:1.1fr .9fr; gap:24px; align-items:center}
@media (max-width: 960px){
  .hero .wrap, .split{grid-template-columns: 1fr}
  .nav .menu{display:none}
}

.form{
  display:grid; gap:12px;
  background:linear-gradient(180deg, rgba(255,255,255,.05), rgba(255,255,255,.02));
  border:1px solid rgba(255,255,255,.08);
  border-radius: var(--radius); padding:18px;
}
.form input, .form textarea, .form select{
  width:100%; padding:12px 14px; border-radius:12px;
  border:1px solid rgba(255,255,255,.14); background:rgba(4,9,18,.6);
  color:#e2e8f0
}
.form button{justify-content:center}
.notice{font-size:12px; color:#9fb0c3}
.tagline{color: #a7f3d0; letter-spacing: .16em; font-size: 12px; text-transform: uppercase}
.timeline{display:grid; gap:14px}
.timeline .row{display:grid; grid-template-columns: 120px 1fr; gap:10px}
.timeline .row .date{color:#a7f3d0}
.partner-logos{display:grid; grid-template-columns: repeat(auto-fit, minmax(120px, 1fr)); gap:16px; opacity:.9}
.partner{border:1px dashed rgba(255,255,255,.12); border-radius:12px; padding:14px; text-align:center}