:root{
  --bg1: #eaf4ff;
  --bg2: #cfe7ff;
  --card: #ffffff;
  --text: #10324d;
  --muted: #5b7991;
}
*{box-sizing:border-box}
html,body{height:100%}
body{
  margin:0;
  background: radial-gradient(1000px 700px at 20% -10%, var(--bg2), transparent 60%),
              linear-gradient(180deg, var(--bg1), #ddeaFF);
  color:var(--text);
  font-family: 'Plus Jakarta Sans', system-ui, -apple-system, Segoe UI, Roboto, Helvetica, Arial, sans-serif;
}
.container{max-width:900px;margin:0 auto;padding:28px 18px 56px;}
.header{display:flex;align-items:center;gap:16px;margin-top:10px;}
.logo-badge{width:78px;height:78px;border-radius:22px;display:flex;align-items:center;justify-content:center;
  background:linear-gradient(180deg,#dff0ff,#cfe7ff);box-shadow:0 16px 40px rgba(32,63,114,.15), inset 0 2px 0 rgba(255,255,255,.7);border:1px solid rgba(30,88,160,.15)}
.logo-badge img{width:54px;height:54px}
h1{margin:0;font-size:36px}
.subtitle{margin-top:8px;color:var(--muted)}
.links{display:flex;flex-direction:column;gap:16px;margin-top:22px}
.link-card{
  background:linear-gradient(180deg,#ffffff,#f7faff);
  border-radius:18px;padding:16px 18px;display:flex;align-items:center;justify-content:space-between;
  border:1px solid rgba(15,56,97,.08);
  box-shadow:0 26px 60px rgba(41,76,125,.15), inset 0 3px 0 rgba(255,255,255,.85);
  transition:transform .15s ease, box-shadow .2s ease;
  text-decoration:none;color:var(--text);
}
.link-card:hover{transform:translateY(-3px);box-shadow:0 40px 86px rgba(41,76,125,.22), inset 0 3px 0 rgba(255,255,255,.9)}
.link-left{display:flex;align-items:center;gap:14px}
.link-left img{width:40px;height:40px;border-radius:10px}
.link-title{font-weight:700;font-size:18px}
.chevron{width:42px;height:42px;border-radius:12px;background:#ecf5ff;border:1px solid rgba(30,88,160,.18);display:flex;align-items:center;justify-content:center;box-shadow:inset 0 2px 0 rgba(255,255,255,.8)}
.chevron span{font-size:22px;color:#0f4c81}

.tips{margin-top:26px;background:#ffffffd9;border:1px solid rgba(15,56,97,.1);border-radius:14px;padding:14px 16px;box-shadow:0 10px 24px rgba(41,76,125,.12)}
.tips h3{margin:0 0 8px 0;font-size:18px}
.tips ul{margin:0;padding-left:18px}
.tips li{margin:6px 0}

.footer{margin:26px 0 8px;color:var(--muted);font-size:12px;text-align:center}
@media (max-width:640px){h1{font-size:28px}.link-title{font-size:16px}}