:root{
  --ink:#071d31;
  --paper:#0a243b;
  --panel:#0e2d49;
  --muted:#9bb4c7;
  --line:rgba(73,220,207,.24);
  --acid:#00d8c1;
  --coral:#37b9e8;
}
*{box-sizing:border-box}
html{min-height:100%;background:var(--ink)}
body{min-height:100vh;margin:0;color:#f7fbff;background:
  radial-gradient(circle at 76% 8%,rgba(0,216,193,.18),transparent 24rem),
  radial-gradient(circle at 10% 92%,rgba(55,185,232,.1),transparent 28rem),
  linear-gradient(155deg,#071d31 0 58%,#0a243b 58% 100%);
  font-family:Inter,"Segoe UI","Microsoft JhengHei",sans-serif}
a{color:inherit;text-decoration:none}
.portal-shell{width:min(1240px,calc(100% - 48px));min-height:100vh;margin:auto;padding:34px 0 24px;display:flex;flex-direction:column}
.portal-head{display:flex;align-items:center;justify-content:space-between}
.portal-brand{display:flex;align-items:center;gap:12px}
.portal-logo{width:64px;height:64px;border-radius:17px;object-fit:cover;box-shadow:0 12px 30px rgba(0,0,0,.24)}
.portal-brand b{display:block;font-size:17px;letter-spacing:.02em}.portal-brand small{display:block;margin-top:3px;color:var(--muted);font-size:8px;letter-spacing:.18em}
.private-chip{padding:9px 13px;border:1px solid var(--line);border-radius:999px;background:rgba(255,255,255,.04);font-size:10px;font-weight:800;color:#c4d5e1}
.private-chip i{display:inline-block;width:7px;height:7px;margin-right:7px;border-radius:50%;background:var(--acid);box-shadow:0 0 0 4px rgba(0,216,193,.12)}
.portal-intro{display:grid;grid-template-columns:minmax(0,1.1fr) minmax(260px,.55fr);gap:30px;align-items:end;padding:10vh 0 6vh}
.eyebrow{margin:0;color:#78a6bd;font-size:9px;font-weight:900;letter-spacing:.2em}
.portal-intro .eyebrow{grid-column:1/-1;color:var(--acid)}.portal-intro h1{margin:0;font-size:clamp(52px,7vw,92px);line-height:.91;letter-spacing:-.075em;font-weight:850}.portal-intro h1 span{color:#8dded7}
.portal-intro>p:last-child{margin:0 0 5px;color:var(--muted);font-size:13px;line-height:1.8;max-width:410px}
.database-grid{display:grid;grid-template-columns:1fr 1fr;gap:18px}
.database-card{position:relative;min-height:310px;padding:30px;border:1px solid var(--line);border-radius:20px;background:rgba(14,45,73,.84);display:grid;grid-template-columns:auto 1fr;grid-template-rows:auto 1fr auto;gap:28px;overflow:hidden;box-shadow:0 18px 55px rgba(0,0,0,.18);transition:transform .22s ease,box-shadow .22s ease,border-color .22s ease}
.database-card:after{content:"";position:absolute;inset:auto -60px -100px auto;width:250px;height:250px;border-radius:50%;background:radial-gradient(circle,var(--card-glow),transparent 67%);opacity:.28;transition:transform .25s ease}
.database-card:hover,.database-card:focus-visible{transform:translateY(-5px);box-shadow:0 26px 70px rgba(0,0,0,.3);border-color:rgba(0,216,193,.72);outline:0}.database-card:hover:after{transform:scale(1.15)}
.kol-card{--card-glow:var(--acid)}.media-card{--card-glow:var(--coral)}
.card-index{position:absolute;right:28px;top:25px;color:#7592a6;font-size:10px;font-weight:850;letter-spacing:.14em}
.card-icon{grid-row:1/3;width:62px;height:62px;display:grid;place-items:center;border-radius:18px 7px 18px 7px;background:#06182a;color:var(--acid);font-size:28px;font-weight:900}.media-card .card-icon{color:var(--coral)}
.database-card h2{margin:9px 0 12px;font-size:32px;letter-spacing:-.045em}.database-card p:last-child{margin:0;max-width:380px;color:var(--muted);font-size:12px;line-height:1.65}
.enter-button{grid-column:1/-1;align-self:end;display:flex;align-items:center;justify-content:space-between;padding-top:20px;border-top:1px solid var(--line);font-size:12px;font-weight:900;letter-spacing:.05em}.enter-button b{width:34px;height:34px;display:grid;place-items:center;border-radius:50%;background:var(--acid);color:var(--ink);font-size:14px}
footer{margin-top:auto;padding-top:25px;display:flex;justify-content:space-between;color:#8d928a;font-size:8px;font-weight:800;letter-spacing:.16em}
@media(max-width:760px){.portal-shell{width:min(100% - 28px,620px);padding-top:20px}.portal-logo{width:54px;height:54px}.private-chip{display:none}.portal-intro{grid-template-columns:1fr;padding:9vh 0 4vh}.portal-intro .eyebrow{grid-column:auto}.portal-intro h1{font-size:54px}.portal-intro>p:last-child{font-size:12px}.database-grid{grid-template-columns:1fr}.database-card{min-height:270px;padding:24px}.card-icon{width:52px;height:52px}.database-card h2{font-size:27px}footer{gap:20px;line-height:1.5}}
@media(prefers-reduced-motion:reduce){.database-card,.database-card:after{transition:none}}